Search Results — 2000 specimen records retrieved (1356 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC1050316  Abelia triflora N. Floy Bracelin 1941-8-24 1583 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  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
  JEPS87956  Acacia melanoxylon Barbara Ertter 1991-5-12 9815 Contra Costa in sw corner El Cerrito (Point Isabel Regional Shoreline, along old railroad right-of-way between bay and salicornia marsh); San Francisco Bay, Point Isabel Regional Shoreline Comment
  CDA35552  Acer macrophyllum D. G. Kelch, A. G. Murdock 2004-4-25 4 .109 Contra Costa Carquinez Strait Region; West Martinez on Scenic Drive at Road Gate. Ozol Rock. Comment
  JEPS111582  Acer macrophyllum D. G. Kelch 2004-4-25 04 .109 Contra Costa Martinez - West: Ozol Rock and Scenic Drive West Martinez on Scenic Dr. at Road Gate 28 Comment
  JEPS75525  Acer macrophyllum P. F. Yorks 1976-4-6 124 Contra Costa on Hampton Road ca 1.7 km s Bear Creek Road (e of road, n of Briones Reservoir); Hampton Road Natural Reserve 200 Comment
  SEINET4172014 Image available Acer macrophyllum Robert A. Norris, John L. Inase 1981-1 4146 Contra Costa Abrigo Valley Trail, NW part of Briones Regional Park (ca. 3 mi. NNW Lafayette) 274 Comment
  UC1540475  Acer negundo var. californicum Annetta Carter 1937-4-4 1229 Contra Costa 2 1/2 mi n Moraga (Moraga Valley); , Creek bank, n of Moraga 182 Comment
  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
  UC692720  Acer negundo var. interior Mary L. Bowerman 1931-10-23 1063 a Contra Costa Riggs Canyon mouth Mount Diablo, Riggs Canyon mouth (by stream-bed) 228 Comment
  JEPS111675  Achillea millefolium D. G. Kelch 2003-8-13 03 .102 Contra Costa Martinez Marsh 0 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
  CHSC23339  Achyrachaena mollis Willis Ball 1974-4-21 426 Contra Costa Contra Loma Regional Park. In area #1. On the n side of road leading to main parking lot ca. 50 yds e of parking lot. 2 yds off road. 38 Comment
  PASA2309  Achyrachaena mollis Annetta Carter 1929-3-31 Contra Costa near Clayton Comment
  UC1733837  Achyrachaena mollis Kay H. Beach 1941-4-30 1081 Contra Costa 5 mi W of Byron; Marsh Creek Road 30 Comment
  UC691545  Achyrachaena mollis Mary L. Bowerman 1931-4-4 651 Contra Costa not more than 4.5 mi on West (= North) road Mount Diablo (entrance); Mount Diablo Comment
  CAS-BOT-BC29886  Achyrachaena mollis Ira L. Wiggins 1930-4-17 4561 Contra Costa 1 mile east of Mountain Home on road to Byrn Comment
  CAS-BOT-BC29889  Achyrachaena mollis Rimo Bacigalupi 1920-4-10 1278 Contra Costa Grade above Arroyo Mocho on way to Cedar Mtn. about 10 miles SE of Livermore Comment
  CAS-BOT-BC29890  Achyrachaena mollis E. M. Zeile 1909-5-19 s.n. Contra Costa Regents Park, West Berkeley Comment
  POM181443  Achyrachaena mollis I. L. Wiggins 1930-4-17 s.n. Contra Costa 1 mile E of Mountain House on road to Byron Comment
  SEINET11854800  Achyrachaena mollis Ottley 1920-1 486 Contra Costa San Francisco Bay Region. Field near Eagle Point, Mt. Diablo 213 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
  UCD104153  Acmispon glaber W. A. Williams 1951-6-8 s.n. Contra Costa Mt. Diablo. Comment
  CDA19102  Acroptilon repens R. Fonseca 2000-10-24 PDR 041911 Contra Costa San Francisco Bay Region; Along Hwy 680 Contra Costa Blvd off-ramp on Monument St., Pleasant Hill. 0 Comment
Read comments
May 27 2008
  POM339729  Actaea rubra subsp. arguta F. R. Fosberg 1969-8-13 51420 Contra Costa Canyon Comment
  CAS-BOT-BC133155  Adenostoma fasciculatum Brandegee s.n. Contra Costa Antioch Comment
  SBBG21358  Adenostoma fasciculatum var. fasciculatum V. Haraden 1941-7-18 16 Contra Costa NE slope near Nortonville 121 Comment
  JEPS100160  Adiantum jordanii A. Langston 2003-6-19 AL 52 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  RSA585064  Adiantum jordanii C. Newberry 1994-4-30 7255 Contra Costa Mount Diablo State Park, trail from Mitchell Canyon parking to Donner Creek 900 Comment
  CDA19069  Aegilops triuncialis D. Petersen 2001-6-2 s.n. Contra Costa San Francisco Bay Area; NW corner of Camp Parks Military Reservation E of Dublin, ~ 2000 ft E of Dougherty Rd. 198 Comment
  POM136961  Aesculus californica Ivar Tidestrom 1895-06 s.n. Contra Costa [No location information on label.] Comment
  SEINET209195 Image available Agoseris grandiflora W. L. Jepson 1922-5-26 Contra Costa North Berkely hills. Comment
  UC1795703  Agoseris grandiflora Barbara Ertter, Dale Sanders, Dan Norris 1994-3-26 12333 Contra Costa Peyton Hill east of I-680 east of Martinez, south of Waterfront Road 30 Comment
  JEPS111761  Agoseris grandiflora var. grandiflora D. G. Kelch 2005-5-13 05 .258-b Contra Costa Martinez - West: along Vista Road ~ 2.5 kiloms West of Martinez 45 Comment
  UC29388  Agoseris grandiflora var. grandiflora Jos. Burtt Davy 1901-4-21 7044 Contra Costa Wildcat Canon Wildcat Canon Comment
  SEINET6738507 Image available Agoseris heterophylla H. P. Chandler 1901-4-5 976 A Contra Costa Mt. Diablo Comment
  UC691796  Agoseris heterophylla var. cryptopleura Mary L. Bowerman 1935-4-17 2836 Contra Costa 2 mi from entrance Mt. Diablo West Road (=North Rd); Mt. Diablo 289 Comment
  UC517466  Agoseris heterophylla var. heterophylla J. Thomas Howell 1933-5-14 11260 Contra Costa hills east of St. Mary's College Comment
  UC691431  Agoseris retrorsa Mary L. Bowerman 1931-4-25 783 Contra Costa summit Meridian Peak; Mount Diablo Comment
  POM300723  Agrostis Mary L. Bowerman 1933-8-26 2413 Contra Costa Mount Diablo. At and below Lower Canyon Spring. 976 Comment
  CDA15254  Agrostis avenacea G. F. Hrusa, D. Crowe 1998-5-8 14385 Contra Costa Sacramento Delta; Dow Ecological Reserve on Dow Chemical property at Pittsburg. Comment
  CDA29002  Agrostis avenacea D. G. Kelch 2006-11-11 06 .505-B Contra Costa Carquinez Strait; Along RR tracks N of Pt Pinole in swale W of RR. 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
  SEINET3840952  Agrostis exarata Dean G. Kelch, Andrew G. Murdock 2003-8-13 DGK 3 .113 Contra Costa Martinez Marsh, near marina 1 Comment
  UC2029201  Agrostis exarata Barbara Ertter 1999-7-17 16763 Contra Costa Wildcat Canyon Regional Park in East Bay Hills, Rifle Range Road Comment
  UC2028498  Agrostis exarata Barbara Ertter 1999-6-12 16711 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
  UC1795639  Agrostis hallii Barbara Ertter, Mary Bowerman 1995-6-11 14256 Contra Costa Shell Ridge Recreation Area southeast of Walnut Creek, bank of Indian Creek above Indian Valley Pond, partial sun on Franciscan layer. 76 Comment
  UC1795795  Agrostis hallii Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14221 Contra Costa Mt. Diablo southeast of Walnut Creek, north-facing slope north of Curry Point, grassy semishade at edge of oak woodland. 518 Comment
  UCD149001  Agrostis pallens D. Kelch; Suzanne Latham, Matt Beyers 2009-6-3 09. 335 Contra Costa El Sobrante Ridge at end of Silver Belt Dr. 198 Comment
  UCD150904  Agrostis stolonifera James A. Neilson Jr. 1972-10-1 3513 Contra Costa Walnut Creek drainage. Elevation estimated in Google Earth by label maker. 1 Comment
  UC1818968  Aira caryophyllea Barbara Ertter, M. L. Bowerman, L. Schultheis, Kevin Hintsa 1995-10-22 14527 Contra Costa Three Springs Trail on northeast side of Mt. Diablo, south of crest of Marsh Creek Rd. southeast of Clayton dried grasslands at base of trail. 304 Comment
  UC2028373  Aira caryophyllea Barbara Ertter 1998-6-20 16233 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo. Alkali Pond at Wiget Lane entrance. Comment
  UCD55707  Aira caryophyllea Beecher Crampton 1955-4-11 2471 Contra Costa Richmond, vacant lots of 41st St. and Bissell. 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
  UC2028078  Aira caryophyllea var. caryophyllea Barbara Ertter, Tony Morosco 1998-4-12 15992 Contra Costa Base of Mount Olympia on north side of Mount Diablo, base of quarry NE of Olympia Trail. 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
  UC692097  Alisma plantago-aquatica Mary L. Bowerman 1935-9-13 3331 Contra Costa scattered over the center Chase Pond; Mount Diablo Comment
  CAS-BOT-BC445380  Alisma plantago-aquatica Mary L. Bowerman 1933-9-9 2429 Contra Costa Mount Diablo. Frog Pond. Comment
  UCD137984  Alisma triviale Beecher Crampton 1950-6-10 589 Contra Costa 1 mile north of Richmond, along Santa Fe R.R. 15 Comment
  UCD32425  Alisma triviale Beecher Crampton 1950-6-10 589 Contra Costa 1 mile north of Richmond, along Santa Fe R.R. 15 Comment
  CAS-BOT-BC175359  Allenrolfea occidentalis J. Burtt Davy 1898-5-1 s.n. Contra Costa Byron Springs, Mt. Diablo region Comment
  CDA23224  Allenrolfea occidentalis T. C. Fuller 1965-11-24 14321 Contra Costa South side of Byron Hot Springs Road, 0.6 mile southwest of Byron-Tracy Highway, ca. 1 mile southwest of Byron. 0 Comment
  POM164980  Allenrolfea occidentalis Jos Burtt Davy 1898-05 s.n. Contra Costa Byron Springs, Mt. Diablo region. Comment
  JEPS112498  Allium serra D. G. Kelch 2004-4-30 04 .151 Contra Costa Mt. Wanda - Martinez 180 Comment
  CAS-BOT-BC475528  Allium serra Alice Eastwood 1923-5-4 11730 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC475535  Allium serra R. Bacigalupi 1927-5-13 1570 Contra Costa Along Danville - Mt. Diablo Road near Garden of the Jungle Gods 518 Comment
  CAS-BOT-BC475539  Allium serra Reed C. Rollins 1946-3-25 3043 Contra Costa Western slope of Mount Diablo Comment
  UC692024  Allium unifolium Mary L. Bowerman 1935-5-18 3019 Contra Costa nw-facing slope across the road from and a little e parking area; Mt. Diablo 1066 Comment
  CAS-BOT-BC476606  Allium unifolium Mrs. E. C. Wright 1917-6-1 s.n. 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
  CAS-BOT-BC170932  Alnus rhombifolia Alice Eastwood 1914-2-24 3732 Contra Costa Antioch Comment
  JEPS111823  Alnus rhombifolia D. G. Kelch 2005-5-13 05 .245 Contra Costa Martinez Martinez. South of oil refinery along Railroad tracks 28 Comment
  UC692033  Alnus rhombifolia Mary L. Bowerman 1930-8-24 421 Contra Costa Mitchell Canyon Mount Diablo Comment
  SEINET3917842  Alopecurus myosuroides George Murray 1964-5-24 s.n. Contra Costa Near San Pablo Dam.; 0 Comment
  CAS-BOT-BC137970  Alopecurus saccatus John Thomas Howell 1953-4-26 28936 Contra Costa Between Byron and Byron Hot Springs. Comment
  CAS-BOT-BC137971  Alopecurus saccatus Alice Eastwood 1914-3-14 3835 Contra Costa Byron Springs. Comment
  SEINET7085231  Althaea cannabina Steven R. Hill 2010-7-19 38532 Contra Costa Residence of Kristin Yanker-Hansen, 569 Contada Circle, Danville [94526]. Coordinate Datum: WGS84/NAD83. 122 Comment
  UC691932  Amaranthus albus Mary L. Bowerman 1935-6-28 3176 Contra Costa s of Meridian Peak summit (300 yds e of the meridian fence); Mt. Diablo 487 Comment
  UC691933  Amaranthus albus Mary L. Bowerman 1938-8-2 2389 Contra Costa Sheep Camp Spring, by North Road Mt. Diablo 533 Comment
  UC691945  Amaranthus albus Mary L. Bowerman 1932-8-27 1515 Contra Costa s of Turtle Rock; Mt. Diablo Comment
  CDA23720  Amaranthus powellii D. G. Kelch 2002-7-15 2 .005 Contra Costa CA Delta; Old San Joaquin River channel, E of Brentwood. San Joaquin County border. 0 Comment
  UC1555375  Ambrosia psilostachya Jerry Powell 1988-8-25 1547 Contra Costa w, on sandy beach Richmond; Point Molate Comment
  SEINET11910975  Amelanchier alnifolia W. Knight, Knight, I. 1983-1 4741 Contra Costa Tilden Botanic Garden, Berkeley Comment
  JEPS45147  Amelanchier utahensis W. L. Jepson Oct 1909 3499 Contra Costa n end Moraga Ridge; Oakland Hills 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
  UCD33151  Ampelodesmos mauritanicus Beecher Crampton 1966-10-18 7816 Contra Costa Contra Costa County, Kensington, Berkeley Hills Blake Garden, UC Berkeley Dept. of landscape architecture. Comment
  UC24599  Amsinckia J. Burtt Davy 1895-4-7 919 Contra Costa Antioch Comment
  CAS-BOT-BC222227  Amsinckia Alice Eastwood; John Thomas Howell 1936-4-19 2131 Contra Costa Nortonville Comment
  CAS-BOT-BC222236  Amsinckia John Thomas Howell 1933-3-29 10911 Contra Costa Nortonville hills Comment
  UC691630  Amsinckia intermedia Mary L. Bowerman 1935-4-22 2891 Contra Costa ridge w of Pioneer Road ((w of Stage Road)); Mount Diablo 853 Comment
  UCR265177  Amsinckia intermedia Barbara Ertter, Jim Jokerst, Dave Magney 1989-4-5 8130 Contra Costa San Joaquin Valley, Clifton Court Forebay, c. 15 air miles southwest of Stockton 0 Comment
  UC762089  Amsinckia lunaris Robert F. Hoover 1936-4-16 975 Contra Costa East slope of Bald Park. Comment
  UC24597 Image available Amsinckia tessellata J. Burtt Davy 1895-4-7 931 Contra Costa Antioch; ; Antioch, Contra Costa Co. 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
  CDA23562  Anagallis arvensis D. G. Kelch, D. A. Weinstein 2008-4-25 8 .081 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
  JEPS43119  Anagallis arvensis W. L. Jepson 1923-4-22 9865 Contra Costa Mt. Diablo Comment
  UCD117436  Anagallis arvensis Jennifer Davies 1982-4-11 5 Contra Costa 1 mile NW of South Checking Station on South Gate Road, Mt. Diablo. 487 Comment
  UC485559  Ancistrocarphus filagineus Thomas Howell 1883-5-1 Contra Costa Antioch Comment
  JEPS108327  Androsace elongata subsp. acuta David Gowen, Mike Parks 2005-3-6 177 Contra Costa Mt. Diablo State Park. North-facing slope not far from summit of Oyster Point. Comment
  UC691828  Androsace elongata subsp. acuta Mary L. Bowerman 1935-4-22 2888 Contra Costa crest of ridge w Pioneer Road (ridge w and on the e face; Mount Diablo, w of Old Stage Road); Mount Diablo 853 Comment
  CDA1107  Angelica californica D. G. Kelch, A. G. Murdock 2003-8-13 3 .127 Contra Costa Carquinez Strait; Vaca Canyon. Comment
  UC691885  Angelica californica Mary L. Bowerman 1932-10-16 1631 Contra Costa Mount Diablo, Donner Canyon Trail Mount Diablo; , Donner Canyon Trail Comment
  UC692562  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
  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
  UCD159357  Anthemis cotula D. S. Park 2010-6-22 142 Contra Costa Wildwood canyon. Along trailside and on trail. 79 Comment
  UC40554  Anthemis cotula Brewer May 1862 1177 Contra Costa Comment
  JEPS111630  Anthriscus caucalis D. G. Kelch 2005-5-13 05 .261 Contra Costa Martinez - West: Ozol Rock and Scenic Drive Area along Vista Road ~ 2.5 kiloms West of Martinez 45 Comment
  SEINET2446344  Antirrhinum elmeri A. D. E. Elmer 4809 Contra Costa Mount Diablo. Comment
  UC1050713  Antirrhinum majus subsp. tortuosum N. Floy Bracelin 1941-4-13 1137 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1543249  Aphanes occidentalis Donald G. Nelson 1938-4-24 567 Contra Costa Marsh Creek Highway, 1 mile north of Mt. Diablo Comment
  UC691119  Aphanes occidentalis Mary L. Bowerman 1931-3-29 620 Contra Costa East Cave Point Ridge; Mount Diablo Comment
  JEPS111632  Apocynum cannabinum D. G. Kelch 2004-7-9 04 .306 Contra Costa Arroyo del Hambre Alhambra Creek, Martinez, Near Muir gravesite 60 Comment
  UC692184  Aquilegia formosa Mary L. Bowerman 1931-5-23 896 Contra Costa Alamo Canyon Mount Diablo Comment
  CDA19724  Arabis breweri unknown 1937-4-18 Contra Costa Northern California; Mt. Diablo. 0 Comment
  JEPS53024  Arabis glabra W. L. Jepson 1891-6-9 13388 Contra Costa Fish Ranch Road Berkeley Hills Comment
  UC692480  Aralia californica Mary L. Bowerman 1933-6-21 2330 Contra Costa Donner Canyon Mt. Diablo, Donner Canyon 243 Comment
  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
  UCSB11594  Arbutus menziesii Grah, Nancy 1962-4-20 Contra Costa 2.0 miles east of San Pablo Dam on Wildcat Canyon Road, 4 miles east of Berkeley 274 Comment
  JEPS40121  Arceuthobium campylopodum Miss Ferguson 1920-1-1 Contra Costa Donner Canyon Mt. Diablo Comment
  JEPS40128  Arceuthobium campylopodum W. L. Jepson 1898-10-18 1898 Contra Costa Mitchell Canyon Mt. Diablo 487 Comment
  UC1795671  Arceuthobium campylopodum Barbara Ertter, M. L. Bowerman, L. Schultheis, Kevin Hintsa 1995-10-22 14533 Contra Costa Three Springs Trail on northeast side of Mt. Diablo, woods above ranch. 365 Comment
  UC1509579  Arctostaphylos Stephen W. Edwards 1984-2-20 SW- 84 -1 Contra Costa w flank of ridge e Olinda Drive (nw of intersection of San Pablo Dam Rd and Castro Ranch Rd) Comment
  UCSB21792  Arctostaphylos andersonii Keefe, Joseph 1967-3-20 Contra Costa Along Huckleberry Trail, 0.5 mile east of Skyline Boulevard, near intersection with Grizzly Peak Boulevard, east of Berkeley 274 Comment
  CAS-BOT-BC24108  Arctostaphylos auriculata Alice Eastwood; John Thomas Howell 1936-4-19 2130 Contra Costa Nortonville Comment
  CAS-BOT-BC24114  Arctostaphylos auriculata Joanne Taylor 1941-7-18 16 Contra Costa Hills by Nortonville, dry rocky slopes in chaparral belt. 213 Comment
  CAS-BOT-BC24117  Arctostaphylos auriculata C. F. Baker 1903-5-31 3161 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC24122  Arctostaphylos auriculata Gary D. Wallace 1974-12-26 1372 Contra Costa Mt. Diaablo St. Pk. off Summit Dr. along a ridge E of Curry Point; SE of Balancing Rock. 530 Comment
  CDA31098  Arctostaphylos auriculata D. G. Kelch, Troy McGregor; Ed Biffin 2010-6-1 10 .23 Contra Costa Mt. Diablo. Knobcone Point Rd. 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
  RSA164647  Arctostaphylos auriculata Percy C. Everett 1963-11-19 24549 Contra Costa Mt Diablo. 457 Comment
  RSA622480  Arctostaphylos auriculata Jon E. Keeley 1996-6-24 27601 Contra Costa Above Rock City, Mt. Diablo. 540 Comment
Read comments
Jan 30 2013
  RSA622486  Arctostaphylos auriculata Jon E. Keeley 1996-6-24 27597 Contra Costa Above Rock City, Mt. Diablo. 540 Comment
Read comments
Jan 30 2013
  UC549566  Arctostaphylos auriculata J. E. Adams 1934-3-19 673 Contra Costa Mt. Diablo Comment
  UCD162927  Arctostaphylos auriculata D. O. Burge; K. Zhukovsky 2015-6-6 1747 Contra Costa Mount Diablo. 515 Comment
  UCD166543  Arctostaphylos crustacea Dylan O. Burge 2016-2-18 2045 Contra Costa Huckleberry Ridge. 390 Comment
  UCR7817  Arctostaphylos crustacea Wm. Horn Jr. 1964-2-26 640226 3 Contra Costa San Francisco Bay Region, Flicker Ridge, 1.5 mi SW of Moraga 183 Comment
  SEINET11989690  Arctostaphylos crustacea N. Havlik, Knight, W. 1982-1 4549 Contra Costa Briones Regional Park adjacent to Russell Tree Farm 328 Comment
  CAS-BOT-BC24858  Arctostaphylos glandulosa subsp. cushingiana Walter Knight; Irja Knight 1980-3-16 3716 Contra Costa Sobrante Ridge between Heavenly Ridge Lane and Castro Ranch Road, El Sobrante. Comment
  CAS-BOT-BC24850  Arctostaphylos glandulosa subsp. glandulosa H. E. McMinn 1923-3-6 875 Contra Costa Contra Costa Co. Comment
  JEPS38918  Arctostaphylos glandulosa subsp. glandulosa Mary L. Bowerman 1932-3-20 1123 Contra Costa ne fork of canyon Mount Diablo, Sycamore Canyon (toward top of middle ridge) Comment
  UC1120316  Arctostaphylos glandulosa subsp. glandulosa H. A. Jensen 1938-10-27 453 Contra Costa head of Sycamore Creek Mount Diablo Quadrangle Comment
  CAS-BOT-BC24654  Arctostaphylos glauca Mary L. Bowerman 1930-6-22 362 Contra Costa Mount Diablo, Mitchell Canyon. Comment
  CAS-BOT-BC24657  Arctostaphylos glauca H. E. McMinn 1922-6-21 89 Contra Costa N. slope of Mt. Diablo. Comment
  CAS-BOT-BC24661  Arctostaphylos glauca Charles M. Belshaw 1936-10-26 2720 Contra Costa 3/4 mi. ne. of North peak, Mt. Diablo. 609 Comment
  JEPS38917  Arctostaphylos glauca Mary L. Bowerman 1933-3-11 1748 Contra Costa in gully nw park entrance (outer s face of ridge); Mount Diablo, Rock City Ridge Comment
  UC570417  Arctostaphylos glauca Chas. M. Belshaw 1936-10-26 2720 Contra Costa 3/4 mi ne North Peak; Mt. Diablo 609 Comment
  UC692232  Arctostaphylos glauca Mary L. Bowerman 1933-3-11 1748 Contra Costa in gully nw park entrance (outer s face of ridge); Mount Diablo, Rock City Ridge (=Fossil Ridge) Comment
  UC692233  Arctostaphylos glauca Mary L. Bowerman 1933-9-30 2450 Contra Costa e-facing slope of gully (where relatively narrow) below chaparral Mount Diablo Comment
  RSA632819  Arctostaphylos laevigata Jon E. Keeley 1996-6-24 27583 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
  JEPS38922  Arctostaphylos manzanita subsp. laevigata Mary L. Bowerman 1932-1-19 1074 Contra Costa just over crest of ridge on n-facing slope Mount Diablo, Inner Black Hills Comment
  UC1121504  Arctostaphylos manzanita subsp. laevigata H. A. Jensen 1938-10-27 452 Contra Costa head of Curry Canyon Mt. Diablo Quadrangle 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
  UC549753  Arctostaphylos manzanita subsp. laevigata J. E. Adams 1934-3-19 684 Contra Costa Mt. Diablo Comment
  SEINET11977794  Arctostaphylos manzanita subsp. laevigata L. S. Rose 1934-1 34040 Contra Costa S slope Mt. Diablo, 8 mi NE Danville Comment
  SEINET3411014 Image available Arctostaphylos manzanita subsp. laevigata Lewis S. Rose 1934-2-28 Contra Costa Rocky shrubby hills, South slope Mt. Diablo, 8 miles NE Danville, Contra Costa County, California. Comment
  UC692224  Arctostaphylos manzanita subsp. laevigata Mary L. Bowerman 1938-6-24 3693 Contra Costa road 8.9 mi from North Gate (crest of ridge above road, below Pines Picnic Area); Mount Diablo 792 Comment
  CAS-BOT-BC24382  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight 1980-3-16 3713 Contra Costa Opposite 5996 Skyline Drive, El Sobrante. Comment
  CAS-BOT-BC24385  Arctostaphylos manzanita subsp. manzanita Mary L. Bowerman 1932-1-23 1076 Contra Costa Mount Diablo, Sycamore canyon, east fork: near canyon bottom. Comment
  POM300725  Arctostaphylos manzanita subsp. manzanita Mary L. Bowerman 1933-3-25 1765 Contra Costa Emmons Canyon (off Stone Valley), west fork. Comment
  UC32667  Arctostaphylos pallida E. R. Drew 1888-2-22 Contra Costa Moraga Valley Oak. Comment
  SEINET11987134  Arctostaphylos pungens subsp. laevigata W. Knight, Knight, I. 1980-1 3824 Contra Costa Tilden Botanic Garden, orig. from Mt. Diablo Comment
  UC2070442  Arctostaphylos tomentosa Barbara Ertter with Kevin Hintsa et al. 2003-4-20 18160 Contra Costa Wall Point Road east of Emmons Canyon Road, west side of Mount Diablo. Comment
  HSC93964  Arctostaphylos tomentosa subsp. crustacea C. Newberry 1994-3-12 7164 Contra Costa Huckleberry Botanic Regional Preserve, Skyline Trail 244 Comment
  JEPS42608  Arctostaphylos tomentosa subsp. crustacea W. L. Jepson 1944-8-5 27546 Contra Costa Moraga Ridge Oakland Hills Comment
  JEPS48826  Arctostaphylos tomentosa subsp. crustacea H. M. Wheeler 1944-1-16 27507 Contra Costa Moraga Ridge Oakland Hills Comment
  JEPS98839  Arctostaphylos tomentosa subsp. crustacea James B. Roof 1964-10-7 Contra Costa Head of Dan Cook Canyon; Mt. Diablo, Rock City Comment
  RSA164648  Arctostaphylos tomentosa subsp. crustacea P. C. Everett 1963-11-19 11774 Contra Costa Mt. Diablo. 457 Comment
  UC1120146  Arctostaphylos tomentosa subsp. crustacea C. M. Belshaw 1936-2-16 1589 Contra Costa 2 1/2 mi nw Lafayette; Concord Quadrangle, Lafayette Ridge Comment
  UC120093  Arctostaphylos tomentosa subsp. crustacea R. W. Lundh 1933-3-4 210 Contra Costa 1/2 mi sw Pinehurst; Concord Quadrangle Comment
  UC2042961  Arctostaphylos tomentosa subsp. crustacea Barbara Ertter with Chris Thayer, David Gowen, Kim Kersh 2007-2-11 18787 Contra Costa Flicker Ridge SE of Canyon, NW of junction Pinehurst and Canyon-Moraga roads. Comment
  UC549443  Arctostaphylos tomentosa subsp. crustacea J. E. Adams 1934-2-15 608 Contra Costa Moraga Ridge Comment
  UC549467  Arctostaphylos tomentosa subsp. crustacea J. E. Adams 1934-3-9 636 Contra Costa Moraga Ridge Comment
  JEPS32461  Aristolochia californica Mary Ann Linsford 1931-3-15 Contra Costa San Pablo Creek near Orinda Comment
  UC1606406  Aristolochia californica Barbara Ertter 1993-4-2 11476 Contra Costa below Vista Rd. w. of Crockett (midslope, Carquinez Regional Park); Carquinez Regional Park Comment
  UCSB24029  Aristolochia californica Olson, Glen 1968-3-21 Contra Costa Fifty yards on the north side of School Street, 0.4 mile east of its junction with Moraga Road in Lafayette 106 Comment
  RSA417142  Arnica discoidea Anstruther Davidson 1917-06 s.n. Contra Costa Mt. Diablo Comment
  UC691351  Arnica discoidea Mary L. Bowerman 1931-5-16 849 Contra Costa summit Meridian Peak; Mount Diablo Comment
  POM198283  Arrhenatherum elatius Jos Burtt Davy 1898-6-6 s.n. Contra Costa Berkeley Hills. Comment
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Sep 6 2010
  UC2070630  Artemisia biennis Barbara Ertter 2005-8-18 18640 Contra Costa Mudflats on SE side of San Pablo Reservoir in East Bay Hills, east of San Pablo Dam Road between San Pablo and Orinda, access between HQ and boat launching area [reservoir way down this year while being drained for seismic work on dam], with extensive Artemisia biennis. Comment
  CAS-BOT-BC84953  Artemisia californica L. R. Abrams 1910-10-8 4339 Contra Costa Mt. Diablo 609 Comment
  UC1948939  Artemisia californica William J. Ferlatte, L. Maynard Moe 1970-4-27 1264 Contra Costa San Francisco Bay: Red Rock Island Comment
  UCD38888  Artemisia californica Beecher Crampton 1959-10-19 5466 Contra Costa Mt. Diablo State Park. Comment
  LA202980  Artemisia californica J. A. Ewan; November 1934 9079 Contra Costa Wildcat Canyon, 0.75 mi. below Orinda road bridge Comment
  UCD129214  Artemisia californica Beecher Crampton 1972-11-21 8892 Contra Costa 2 miles east Port Costa. 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
  HSC29723  Arundo donax J. D. Ackerman, A. M. Montalvo 1973-12-20 124 Contra Costa Hwy. 4 at Byron Comment
  UC1123499  Asclepias californica C. M. Belshaw 1936-5-15 2131 Contra Costa 1/2 mi wsw Stewartsville; Mt. Diablo Quadrangle Comment
  UC1543026  Asclepias californica Donald G. Nelson 1937-4-24 520 Contra Costa between Byron and Clayton (on March Creek Road) Comment
  SEINET10580308  Asclepias californica subsp. greenei Charles F. Baker 1903-4-28 Baker 2871 Contra Costa Marsh Creek, Mt. Diablo Comment
  SBBG93247  Asclepias vestita D. G. Nelson 1937-4-24 520 Contra Costa Marsh Crk Rd, between Byron and Clayton Comment
  UC1618202  Asparagus asparagoides Barbara Ertter 1991-5-12 9817 Contra Costa sw corner El Cerrito (along old R.R. right-of-way between bay & salicornia marsh, Point Isabel Regional Shoreline, on San Francisco Bay); San Francisco Bay Comment
  CDA39306  Asparagus officinalis subsp. officinalis A. G. Murdock 2003-6-24 115 Contra Costa Carquinez Strait; Near parking lot at northeast corner of Mount Wanda, Martinez. Comment
  JEPS112507  Asparagus officinalis subsp. officinalis A. G. Murdock 2003-6-24 115 Contra Costa Mt. Wanda - Martinez Near parking lot at NE corner of Mt. Wanda 37 Comment
  RSA721531  Aster chilensis Mary L. Bowerman 1993-10-19 s.n. Contra Costa Mount Diablo. Marsh Creek near Russelman Road. Comment
  CDA10358  Aster subulatus var. ligulatus D. G. Kelch 2006-9-15 6 .472 Contra Costa Carquinez Strait; Martinez. Waterfront Rd. Marina Dr. , 100 m. W of Pacheco Slough. Comment
  CAS-BOT-BC180527  Astragalus asymmetricus Ira L. Wiggins 1930-4-17 4562 Contra Costa Near Montain House, Altamont Pass. Comment
  POM181432  Astragalus asymmetricus I. L. Wiggins 1930-4-17 4562 Contra Costa Near Mountain House, Altamont Pass. Comment
  CAS-BOT-BC177886  Astragalus didymocarpus var. didymocarpus 1884-5-1 s.n. Contra Costa antioch Comment
  JEPS54616  Astragalus didymocarpus var. didymocarpus F. T. Bioletti 1892-1 Contra Costa Byron Comment
  CAS-BOT-BC178476  Astragalus gambelianus Alice Eastwood 1923-5-4 11722 Contra Costa Mt. Diablo Comment
  UC13432  Astragalus gambelianus State Survey 1862-5-12 1071 Contra Costa Mt. Diablo Comment
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Jan 20 2011
  UC659396  Astragalus gambelianus Lincoln Constance, Carl W. Sharsmith with Howard S. Reed 1940-4-27 2572 Contra Costa base of Mount Diablo , Pine Canyon (Pine Canyon) 304 Comment
  CAS-BOT-BC17454  Athysanus pusillus John Thomas Howell 1926-3-7 1677 Contra Costa Mount Diablo. Comment
  UC673344  Athysanus pusillus H. L. Mason 1929-3-29 5117 Contra Costa Mount Diablo 1066 Comment
  UC691075  Athysanus pusillus Mary L. Bowerman 1935-4-27 2887 Contra Costa Ridge w of Pioneer Road ((w of Old Stage Road)) 853 Comment
  CDA9508  Atriplex argentea D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .235 Contra Costa CA Delta; Along Clifton Court Near Clifton Court Forebay. Comment
  UC1601680  Atriplex coronata Katharine Brandegee 1907-5-3 Contra Costa between Antioch and Marsh Creek; between Antioch and Marsh Creek Comment
  CAS-BOT-BC168543  Atriplex coronata R. E. Frenkel 1964-9-18 855 Contra Costa On Balfour Road, 0.2 mile west of Bixler Road 6 Comment
  LA204675  Atriplex coronata John Thomas Howell; 1930-9-28 5503 Contra Costa 5.4 miles from Byron on Marsh Creek Road 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
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Jan 22 2009
  CHSC98938  Atriplex coronata var. coronata Samantha Mackey Hillaire 2007-7-17 1243 b Contra Costa Briones Valley, ~0.2 mile west of Marsh Creek Reservoir. 60 Comment
  CDA9502  Atriplex fruticulosa D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .229 Contra Costa Byron Airport. Comment
  CDA23264  Atriplex fruticulosa T. Sawyer 1965-3-23 Contra Costa Armstrong Road. 0 Comment
  UC1607605  Atriplex lentiformis Barbara Ertter 1990-10-24 9686 Contra Costa Martinez Regional Shoreline on Carquinez Strait (beaten saline soil along path through saltmarsh); Martinez Regional Shoreline on Carquinez Strait Comment
  UCD158700  Atriplex prostrata James A. Neilson Jr. 1972-10-22 3509 a Contra Costa Walnut Creek drainage. Elevation estimated in Google Earth by label maker. 0 Comment
  JEPS78625  Atriplex prostrata Walter Knight, L. R. Heckard and Bert Johnson 1978-9-28 3280 Contra Costa Browns Island , Browns Island (Botany Cove) Comment
  UCD97697  Atriplex semibaccata Clyde L. Elmore 1964-10-6 s.n. Contra Costa 1/2 mile south of Orwood Road, in Orwood Resort, 4-5 miles east of Brentwood. Comment
  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
  SEINET1909893  Atriplex triangularis Barbara Ertter, Elizabeth Neese 1988-1 7979 Contra Costa Salicornia marsh W of I-580 in El Cerrito, W side along Rydin Road N of Central Avenue Comment
  JEPS100027  Avena fatua A. Langston 2003-6-6 AL 37 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS84882  Avena fatua G. D. Barbe 1983-5-22 4081 Contra Costa hillside along fire road n. of Juniper Campground; Mount Diablo State Park 877 Comment
  UC579865  Avena fatua Annetta Carter 1936-4-19 1129 Contra Costa Red Rock San Francisco Bay (nw slope near summit of island) Comment
  UC691223  Avena fatua Mary L. Bowerman 1935-4-19 2853 Contra Costa West road 3.5 mi from entrance; Mount Diablo 381 Comment
  UC697125  Avena fatua Mary L. Bowerman 1931-5-7 809 Contra Costa North Peak Mount Diablo Comment
  UCSB12521  Avena fatua Grah, Nancy 1962-4-14 Contra Costa 0.2 mi N of Miner Rd on Sleepy Hollow Lane; Orinda 182 Comment
  UCD159504  Baccharis pilularis D. S. Park 2010-9-11 252 Contra Costa Waterfront Rd. Growing along roadside. Disturbed. 5 Comment
  JEPS102908  Balsamorhiza deltoidea Barbara Ertter with Holly Forbes 1997-4-20 15564 Contra Costa NE base of Eagle Ridge, Back Creek Trail to Coulter Pine Trail Mount Diablo 213 Comment
  JEPS12785  Balsamorhiza deltoidea Rimo Bacigalupi with G. T. Robbins 1955-5-4 4978 Contra Costa along road to Irish Canyon (s of and above Nortonville) 426 Comment
  CDA23064  Barbarea orthoceras D. G. Kelch, D. A. Weinstein 2008-4-25 8 .083 Contra Costa Alvarado Park (west end of Wildcat Canyon Park) on north-facing hillside above Hindu temple in mixed scrub/grassland. Comment
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Jan 7 2016
  UC1818940  Barbarea orthoceras Barbara Ertter, Mary Bowerman 1994-6-19 12843 Contra Costa Mt. Diablo State Park east of Walnut Creek; Muir Picnic Area on Summit Road, ca. 3300'; roadside cut thru chaparral. Comment
  UC1584667  Bellardia trixago Jerry Powell 1987-7-14 1500 Contra Costa Point Molate Beach Comment
  UC1126282  Berberis pinnata R. W. Lundh 1933-2-2 201 Contra Costa 3/4 mi sw Redwood Peak; Concord Quadrangle Comment
  UCD158710  Beta vulgaris subsp. maritima James A. Neilson Jr. 1972-11-2 3613 a Contra Costa Walnut Creek drainage. Elevation estimated in Google Earth by label maker. 1 Comment
  NY31032  Blennosperma nanum D. G. Nelson 1937-3-30 459 Contra Costa Marsh Creek Highway, about halfway between Clayton and Byron Comment
  CAS-BOT-BC100697  Blennosperma nanum var. nanum Peter H. Raven; H. L. Mason; R. Ornduff; et al. 1957-4-4 10588 Contra Costa Vernal flats 3.0 miles s. of Byron Comment
  UC34576  Blennosperma nanum var. nanum Chesnut and Drew 1889-4-15 Contra Costa Martinez Comment
  CAS-BOT-BC100702  Blennosperma nanum var. nanum Helen K. Sharsmith 1954-3-24 4409 Contra Costa Hillslope above old Nortonville Mines, near Kirker Pass Road between Clayton and Antioch 304 Comment
  JEPS18819  Blepharizonia laxa R. F. Hoover 1937-9-2 2710 Contra Costa 1 mi s of Pittsburg Comment
  POM351055  Blepharizonia laxa T. S. Brandegee 1887-09 s.n. Contra Costa Antioch. Comment
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Dec 16 2012
  UC1119055  Blepharizonia laxa G. T. Nordstrom 1937-10-28 1403 Contra Costa 1.6 mi nne of Somersville (Mt. Diablo); Mt. Diable 182 Comment
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Aug 6 2012
  SD9039  Blepharizonia plumosa Katherine Curran Aug 1883 Contra Costa Antioch Comment
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Jan 23 2015
  CAS-BOT-BC15963  Boechera breweri subsp. breweri Dr. A. Kellogg; W. G. W. Harford 1868-4-28 41 Contra Costa Mount Diablo. Comment
  SBBG2385  Boechera breweri subsp. breweri H. and M. Dearing 1940-3-20 4125 Contra Costa near summit of Mt Diablo Comment
  UC614620  Boechera breweri subsp. breweri L. Constance, J. L. Morrison 1938-4-5 2192 Contra Costa near Mitchell Canyon (on w slope of Mount Diablo); Mount Diablo 609 Comment
  POM300655  Boisduvalia glabella Mary L. Bowerman 1935-6-28 3173 Contra Costa Mount Diablo: Vernal pool near meridian (300 yards east of meridian fence line) south of summit 488 Comment
  CAS-BOT-BC31330  Bolboschoenus maritimus John Thomas Howell 1978-9-5 53356 Contra Costa Pittsburg Marina. Comment
  UCD140023  Bolboschoenus maritimus subsp. paludosus G. F. Hrusa; D. Crowe 1998-5-8 14366 Contra Costa Sacramento-San Joaquin River Delta. On Dow Chemical property at Pittsburg. 10 Comment
  UCD140044  Bolboschoenus maritimus subsp. paludosus M. Wiesendanger 1926-6-1 1529 Contra Costa Richmond. Comment
  UCD35160  Bolboschoenus maritimus subsp. paludosus Beecher Crampton 1950-7-28 622 Contra Costa Richmond. Comment
  UC566857  Bowlesia incana H. L. Mason 1928-4-29 4419 Contra Costa Mount Diablo, Sycamore Canyon Sycamore Canyon; Mount Diablo, Sycamore Canyon Comment
  UC692371  Bowlesia incana Mary L. Bowerman 1935-5-1 2937 Contra Costa Mount Diablo, West Road 2 mi from entrance, North Road Mount Diablo 182 Comment
  UC691083  Brassica nigra Mary L. Bowerman 1938-5-25 3633 Contra Costa Mount Diablo. North Road 2 miles from North Gate. 182 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
  CAS-BOT-BC106325  Brickellia californica Mary L. Bowerman 1931-9-27 1051 Contra Costa Mount Diablo - Road to Quicksilver Mine Comment
  RSA7210809  Briza maxima Barbara Ertter, Chris Thayer 1995-4-25 13999 Contra Costa Southeast side of Mt. Diablo northeast of Danville; Black Hawk Ridge Rd at northeast FK of Sycamore Creek 396 Comment
  UC697128  Brodiaea elegans subsp. elegans Mary L. Bowerman 1930-6-3 229 Contra Costa North Road Mount Diablo 167 Comment
  RSA424694  Brodiaea elegans subsp. elegans Aaron Liston 1987-4-27 670 -2 Contra Costa 3 miles S of Byron. Comment
  UC1948971  Bromus carinatus William J. Ferlatte, L. Maynard Moe 1970-4-27 1237 Contra Costa San Francisco Bay: Red Rock Island Comment
  CAS-BOT-BC149540  Bromus carinatus var. carinatus Mary L. Bowerman 1935-5-22 3038 Contra Costa Mount Diablo. Eagle Point Ridge, canyon at north end which heads into saddle west of Twin Peaks. 304 Comment
  UC53787  Bromus carinatus var. carinatus J. Burtt Davy Apr 1897 Contra Costa Point Isabel; Western Middle California, Point Isabel 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
  SEINET11268161  Bromus carinatus var. carinatus Barbara Ertter 1998-4-4 15969 Contra Costa Northwest of Mount Diablo, Fossil Hill, Middle of NE-facing slope.; 0 122 Comment
  SBBG115848  Bromus carinatus var. marginatus B. Crampton 1956-5-14 3393 Contra Costa ca. 7 mi SW of city of Antioch, just E of old mining town of Nortonville Comment
  CHSC21623  Bromus catharticus Willis Ball 1975-3-25 503 Contra Costa Contra Loma Regional Park. In area #1. Under olive trees in picnic area ca. 50 yds w of main parking lot ca. 50 yds s of the lake. 36 Comment
  CDA28880  Bromus diandrus D. G. Kelch 2006-5-7 6 .162 Contra Costa Carquinez Strait.; Crockett. Upper Edward s Canyon. Comment
  CHSC116648  Bromus diandrus Lowell Ahart; Josephine Guardino 2016-4-19 20790 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. Along the sides ot the dirt roads, 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 160 Comment
  JEPS75533  Bromus diandrus P. F. Yorks 1974-4-28 1452 Contra Costa on Hampton road 1.7 km s of Bear Creek Road (n of Briones Reservoir, in Hampton Road Natural Reserve); Hampton Road Natural Reserve Comment
  POM300672  Bromus diandrus Mary L. Bowerman 1932-4-27 1366 Contra Costa Oyster Ridge, south face of ridge west of Riggs Canyon Comment
  POM301029  Bromus diandrus Mary L. Bowerman 1935-5-1 2942 Contra Costa Mount Diablo. West road 4.4 miles from entrance. 396 Comment
  UC60184  Bromus diandrus Jos. Burtt Davy 1899-4-19 7867 Contra Costa Moraga Valley Comment
  CAS-BOT-BC155470  Bromus hordeaceus Alice Eastwood 1921-4-18 10263 Contra Costa Antioch. Comment
  UC1131074  Bromus hordeaceus C. M. Belshaw 1936-5-7 2047 Contra Costa 2 mi s of San Ramon 274 Comment
  UC579854  Bromus hordeaceus Annetta Carter 1936-4-19 1117 Contra Costa San Francisco Bay, Red Rock Red Rock; San Francisco Bay, Red Rock Comment
  UC60202  Bromus hordeaceus J. B. Davy 1898-1 Contra Costa Mount Diablo Region, Danville Danville; Mount Diablo Region, Danville Comment
  UC60206  Bromus hordeaceus Jos. Burtt Davy 1899-4-19 7866 Contra Costa Las Trampas Creek Comment
  UCD38558  Bromus hordeaceus Beecher Crampton 1956-5-14 3417 Contra Costa 0.5 mile northwest of Martinez. Comment
  UCD58642  Bromus hordeaceus Beecher Crampton 1956-5-14 3379 Contra Costa Head of Horse Valley. 5 miles south of Antioch. Comment
  UCD58767  Bromus hordeaceus L. S. Smith 1914-5-9 s.n. Contra Costa Mt. Diablo. West slope. 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
  SEINET3246736  Bromus hordeaceus Horace P. Miller 1986-1 9 -690 Contra Costa Lafayette Comment
  UC2028545  Bromus hordeaceus Barbara Ertter 1998-4-4 15949 Contra Costa Shell Ridge Open Space northwest of Mount Diablo, grasslands along creek south of Indian Valley School. Comment
  UC60198  Bromus laevipes Jos. Burtt Davy 1900-6-7 6652 Contra Costa Briones Region Comment
  UC691134  Bromus laevipes Mary L. Bowerman 1933-6-7 2264 Contra Costa Mount Diablo, between Meridian and North Peaks Mount Diablo Comment
  UCD36914  Bromus madritensis Beecher Crampton 1956-5-14 3385 Contra Costa 6.7 miles southwest of city of Antioch, along ridge between old coal mining towns of Somersville and Nortonville. Comment
  UCD59002  Bromus madritensis Beecher Crampton 1956-5-14 3395 Contra Costa Marsh Creek Road. 3.7 miles southeast of Clayton. Comment
  UC691210  Bromus madritensis subsp. madritensis Mary L. Bowerman 1933-5-9 2051 Contra Costa Mount Diablo, Stage Road Canyon Stage Road Canyon; Mount Diablo, Stage Road Canyon 731 Comment
  UC691211  Bromus madritensis subsp. madritensis Mary L. Bowerman 1935-5-16 3012 Contra Costa behind Gabriel-Hinks (Mount Diablo, e side of North Peak); Mount Diablo, North Peak 289 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
  UC2028491  Bromus madritensis subsp. madritensis Barbara Ertter 1998-5-3 16067 Contra Costa SE end of Wall Point Road on southwest flank of Mount Diablo Comment
  UC677559  Bromus madritensis subsp. rubens A. A. Beetle 1942-3-22 2930 Contra Costa Taber Island, small Island off north west side of Brooks Island, San Francisco Bay, Contra Costa County. Comment
  HSC9309  Bromus madritensis subsp. rubens Greg Bos 1963-4-10 74 Contra Costa El Cerrito Hills, E end 76 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
  CAS-BOT-BC161947  Bromus rubens Mary L. Bowerman 1933-3-18 1751 Contra Costa Mount Diablo below the chaparral belt, a little east of the meridian. 548 Comment
  UC2028418  Bromus sterilis Barbara Ertter 2001-5-10 17637 Contra Costa Mount Diablo, Juniper Trail above Laurel Dell Comment
  JEPS22094  Cakile maritima G. Thomas Robbins 1958-7-19 3905 Contra Costa about 3/4 mi s of Pt. San Pablo Potrero San Pablo, Richmond Point San Pablo Potrero; San Francisco Bay, Point Orient Comment
  SEINET3924764  Calamagrostis rubescens Virginia E. Long 1933-6-14 222 a Contra Costa Mt. Diablo, Inner Black Hills.; 0 565 Comment
  JEPS68972  Calandrinia ciliata Edward Lee 1935-3-29 1306 Contra Costa Marsh Creek Rd 1.2 mi e Clayton (n of Mt. Diablo) Comment
  UCD100165  Calandrinia ciliata Beecher Crampton 1950-4-16 512 Contra Costa Along R.R. embankment, Giant. Comment
  CHSC24837  Calandrinia ciliata var. menziesii M. A. Callahan 1976-4-14 14 Contra Costa Small pop. 5 m. from roadside w of house at 1976 Mohawk Dr. Pleasant Hill. 115 Comment
  SBBG1914  Calandrinia menziesii J. M. Tucker 1946-3-24 1383 Contra Costa hills between Nortonville and Somersville Comment
  UCD84952  California macrophylla Chuck Hughes 2010-3-31 224 Contra Costa About 0.3 mile north of Vasco Road. 357 Comment
  JEPS102891  Calochortus argillosus Barbara Ertter with Dan Norris 1998-6-18 16209 Contra Costa South Gate Road ca 1 mi from entrance Mount Diablo 304 Comment
  SEINET5192548  Calochortus luteus Unknown 1995-6-15 03 Contra Costa Mt.Diablo State Park; near entrance Comment
  CAS-BOT-BC132493  Calochortus pulchellus D. E. Breedlove 1970-4-18 17425 Contra Costa At the north edge of Lafayette above Laurel Drive 243 Comment
  CAS-BOT-BC132494  Calochortus pulchellus R. F. Hoover 1968-5-16 11092 Contra Costa Upper Marsh Creek Comment
  UC697173  Calycadenia truncata Mary L. Bowerman 1931-9-12 1040 Contra Costa Mitchell Canyon, spur jutting into w fork Mount Diablo, Mitchell Canyon 838 Comment
  UC691865  Calystegia Mary L. Bowerman 1935-6-1 3115 Contra Costa Meridian in loop of road on ridge s of the summit parking area (Mount Diablo); , Meridian Peak on ridge s of the summit 1097 Comment
  CAS-BOT-BC436385  Calystegia Alice Eastwood 1915-5-30 4441 Contra Costa Mt. Diablo Comment
  RSA710258  Calystegia malacophylla subsp. pedicellata R. K. Brummitt, J. L. Strother, B. G. Baldwin 1997-5-27 19606 Contra Costa Mt. Diable, W side, Deer Flat Road. 800 Comment
  SD225761  Calystegia malacophylla subsp. pedicellata R. K. Brummitt, J. Strother & B. Baldwin 1997-5-27 19606 Contra Costa Mt. 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
  UC691844  Calystegia purpurata Mary L. Bowerman 1931-4-4 658 Contra Costa North Road = West Road 4.5 mi from entrance Mount Diablo (bank above road); Mount Diablo Comment
  JEPS111812  Calystegia purpurata subsp. purpurata A. G. Murdock 2003-6-2 79 Contra Costa Franklin Canyon - McHarry Ranch Rd. West side of road near fire road gate 126 Comment
  CAS-BOT-BC202026  Calystegia sepium subsp. limnophila J. W. Congdon 1893-7-30 s.n. Contra Costa Martinez Comment
  CDA15288  Calystegia sepium subsp. limnophila G. F. Hrusa, D. Crowe, R. York 1998-7-17 14728 Contra Costa Sacramento Delta; Betw. Dow Ecological Reserve and San Joaquin R. Sheet 1 of 2. Comment
  RSA710249  Calystegia subacaulis R. K. Brummitt, Barbara Ertter, N. A. Brummitt 1998-5-6 19788 Contra Costa Mt. Diablo. NE side, Donner Track. 400 Comment
  UC2042953  Calystegia subacaulis Barbara Ertter with David Gowen 2012-6-9 21021 Contra Costa Seaview Trail north of Vollmer Peak, southeastern Tilden Park in Berkeley Hills. Comment
  HSC104419  Calystegia subacaulis David Gowen 2005-5-29 402 Contra Costa West of Morgan Territory Rd. and the main entrance to Morgan Territory Regional Preserve; north of summit of hill 2581 (Tassajara Pk.?) Comment
  RSA0059779  Calystegia subacaulis Thekla Mohr 1917-07 3164 Contra Costa Mt. Diablo. Comment
  JEPS100014  Calystegia subacaulis subsp. subacaulis G. Smick 2003-5-6 GAS 170 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC35394  Camissonia contorta Chesnut and Drew 1889-4-18 Contra Costa Antioch Comment
  UC20492  Camissoniopsis intermedia F. T. Bioletti 1894-5-13 Contra Costa Mt. Diablo Comment
  UC1861825  Camissoniopsis intermedia Barbara Ertter, Chris Thayer 1995-4-25 13989 Contra Costa Southeast side of Mt. Diablo northeast of Danville; Devil's Slide area of Sycamore Canyon, roadside thru chaparral zone. 304 Comment
  UC20485  Camissoniopsis micrantha W. H. Brewer 1862-5-22 1137 Contra Costa foothills e Mount Diablo Comment
  UC1055904  Campanula garganica N. Floy Bracelin 1941-6-1 1347 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  JEPS102903  Campanula griffinii Barbara Ertter with M. L. Bowerman, L. Schultheis & K. Hintsa 1995-10-22 14535 Contra Costa road junction of Three Springs trail on NE side of mountain Mount Diablo 365 Comment
  JEPS100084  Capsella bursa-pastoris G. Smick 2003-4-3 GAS 121 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS83131  Capsella bursa-pastoris R. P. Allen 1935-3-15 113 Contra Costa Pittsburg Comment
  UC2029104  Cardamine Barbara Ertter 2000-3-30 16921 Contra Costa North side of Mount Diablo, lower end of Back Canyon Trail. Comment
  CAS-BOT-BC37396  Cardamine californica Annetta Carter; Helen Sharsmith 1940-3-17 1498 Contra Costa Near Stege railroad station two miles southeast of Richmond. 7 Comment
  POM225551  Cardamine californica var. integrifolia J. T. Howell 1931-3-10 5757 Contra Costa East side of Mt. Diablo 7 miles from Clayton on Livermore road. Comment
  CDA8345  Cardamine flexuosa D. G. Kelch, A. G. Murdock 2003-3-21 03 .065-B Contra Costa Carquinez Strait Region; Martinez; West: Ozol Rock and Scenic Drive. Comment
  CAS-BOT-BC281736  Carduus pycnocephalus Paul F. Covel 1938-6-26 s.n. Contra Costa Las Trampas Canyon, behind St. Mary's Comment
  SEINET8734726 Image available Carduus pycnocephalus Laura Zeller 1965-1 83 Contra Costa just E of the University of California Botanical Garden 91 Comment
  CHSC116628  Carduus pycnocephalus subsp. pycnocephalus Lowell Ahart; Josephine Guardino 2016-4-19 20794 Contra Costa Along the sides of the dirt roads, 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. Undesignated section of Canada de Los Vaqueros Land Grant. 160 Comment
  CDA15244  Carduus tenuiflorus G. F. Hrusa, D. Crowe 1998-5-8 14375 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River. Comment
  CAS-BOT-BC281803  Carduus tenuiflorus David Keck 1941-6-5 5312 Contra Costa Berkeley Hills, Fish Creek Rd, 0.25 mile W of E portal of Broadway Tunnel 335 Comment
  CAS-BOT-BC281804  Carduus tenuiflorus David Keck 1941-6-5 5312 Contra Costa Berkeley Hills, Fish Creek Rd, 0.25 mile W of E portal of Broadway Tunnel 335 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
  UC2013067  Carex barbarae Barbara Ertter with Lisa Schultheis 1996-9-2 15279 Contra Costa South side Mount Diablo, Sycamore Creek below Sulfur Spring. Comment
  UC691964  Carex densa Mary L. Bowerman 1935-5-16 3001 Contra Costa Russelman Park road at Gregory Ranch junction Mount Diablo 289 Comment
  UC2070636  Carex densa Barbara Ertter 2002-9-13 18070 Contra Costa East end Olympia Trail at Dunn Creek crossing, NE base of Mount Diablo near intersection of Marsh Creek Road and Morgan Territory Road. Comment
  POM300640  Carex dudleyi Mary L. Bowerman 1935-5-16 3001 Contra Costa Mt. Diablo: Russelman Park road at Gregory Ranch junction. 290 Comment
  UC2028524  Carex globosa Barbara Ertter 1997-11-1 15880 Contra Costa South side Mount Diablo, near Balancing Rock on Knobcone Point Road. Comment
  UC932  Carex globosa Brewer 1862-5-23 1150 Contra Costa Mt. Diablo 609 Comment
  CHSC114386  Carex obnupta D. G. Kelch; Michael Park, Abigail Moore 2007-5-1 7251 B Contra Costa Along the old San Joaquin River Channel, S of Clifton Court Forebay and SE of Byron. 0 Comment
  UC1618279  Carex pellita Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, and Amy Hiss 1991-8-18 10705 Contra Costa opposite Pittsburg Marina (near w end of island, n of Pittsburg, near confluence of Sacramento and San Joaquin rivers); Browns Island 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
  CAS-BOT-BC117551  Carex serratodens Miss Mary Leolin Bowerman 1933-4-15 1856 Contra Costa Canyon south of Arroyo del Cerro Comment
  CAS-BOT-BC117550  Carex serratodens Miss Mary Leolin Bowerman 1930-6-28 400 Contra Costa Lower Silver Spring. Comment
  UC2028450  Carex serratodens Barbara Ertter with Chris Thayer 1996-10-25 15388 Contra Costa West side of Mount Diablo, South Gate Road just south of junction at Mountain House Creek crossing Comment
  JEPS25105  Carex subbracteata G. Thomas Robbins 1959-4-18 3984 Contra Costa about 1/2 mi e Pt. San Pablo (overlooking San Pablo Bay); San Pablo Bay, Richmond 7 Comment
  CAS-BOT-BC116916  Carex subbracteata var. subbracteata G. Thomas Robbins 1959-4-18 3984 Contra Costa Overlooking San Pablo Bay, ca 1/2 mi E of Pt. San Pablo, Richmond. 7 Comment
  CDA963  Carex tumulicola D. G. Kelch 2006-5-5 6 .131 Contra Costa East Bay; Wildcat Canyon Regional Park. Near Wildcat Canyon Road terminus. Comment
  JEPS111902  Carex tumulicola D. G. Kelch 2005-3-24 05 .69 Contra Costa Chevy's Hill 57 Comment
  UCR198216  Carex tumulicola Dean Kelch 2006-5-5 06 .131 Contra Costa San Francisco Bay, East Bay, Wildcat Canyon Regional Park, near Wildcat Canyon Road terminus 122 Comment
  CDA20549  Carthamus creticus R. Fonseca 2005-6-2 PDR 1327561 Contra Costa San Francisco Bay Area; 1171 Chistie Rd, Martinez. 0 Comment
  JEPS14827  Castilleja affinis subsp. affinis Rimo Bacigalupi 1956-7-17 5734 Contra Costa 2.3 mi n Happy Valley road junction with State Highway 24 (just n of summit of Upper Happy Valley road, on road n-ward from Happy Valley to the head of Briones Valley) 304 Comment
  UC525863  Castilleja affinis subsp. affinis Robert W. Gardner 1934-3-30 57 Contra Costa 3 mi s Mt. Diablo Comment
  UC691558  Castilleja affinis subsp. affinis Mary L. Bowerman 1931-3-28 559 Contra Costa above Mitchell Rock (Mount Diablo); Mount Diablo Comment
  UC27147  Castilleja attenuata H. M. Hall 1901-4-5 Contra Costa Mt. Diablo; San Francisco Bay Region 640 Comment
  UC691577  Castilleja attenuata Mary L. Bowerman 1931-4-4 668 Contra Costa n side Turtle Rock; Mount Diablo 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
  JEPS15607  Castilleja exserta subsp. exserta R. Bacigalupi and G. Thomas Robbins 1955-5-4 4972 Contra Costa e outskirts Concord (field along Treat Lane, in Clayton Valley); Clayton Valley, Concord 60 Comment
  JEPS19519  Castilleja exserta subsp. exserta Rimo Bacigalupi with G. T. Robbins 1956-5-11 5640 -A Contra Costa .33 mi e Pinole (between State Hwy 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) Comment
  JEPS74806  Castilleja exserta subsp. exserta L. R. Heckard, T. I. Chuang and R. Bacigalupi 1975-5-7 4014 Contra Costa ca 0.5 mi e Pinole (just of of Interstate Hwy 80, along main route of Santa Fe Railroad) Comment
  UC27244  Castilleja exserta subsp. exserta R. C. Marsh 1900-4-5 Contra Costa Oakley; Mount Diablo Region Comment
  RSA0068053  Castilleja foliolosa Katie Gallagher, Nick Jensen 2014-4-26 197 Contra Costa Las Trampas Regional Wilderness. 396 Comment
  UC2045291 Image available Castilleja parviflora var. douglasii Mary L. Bowerman 1930-6-5 243 Contra Costa West road, 5.8 miles from entrance Comment
  JEPS9141  Castilleja rubicundula subsp. lithospermoides W. L. Jepson 1922-7-9 9729 Contra Costa Richmond Comment
  JEPS14828  Castilleja wightii Rimo Bacigalupi with L. R. Heckard 1956-7-17 5733 Contra Costa about 1.25 mi n Briones Valley School (at n base of grade on Hampton Road, grade at Bear Creek Road to Pinole Valley drainage) 182 Comment
  CHSC67903  Caulanthus flavescens James D. Jokerst 1989-3-31 3078 Contra Costa Hillside E of creek in Brushy Creek Canyon. Comment
  CAS-BOT-BC40516  Caulanthus lasiophyllus Ira L. Wiggins 1930-4-17 4564 Contra Costa 1 mile east of Mountain House on road to Byron. Comment
  CAS-BOT-BC48834  Ceanothus cuneatus H. E. McMinn 1923-3-6 887 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC48837  Ceanothus cuneatus Mary L. Bowerman 1932-9-3 1531 Contra Costa Muir Area: Burn (1931) Comment
  UCD111751  Ceanothus cuneatus P. B. Kennedy 1916-5-31 s.n. Contra Costa between Diablo and summit. Comment
  SBBG68364  Ceanothus cuneatus var. ramulosus H. E. McMinn -- Contra Costa Mt Diablo Comment
  CAS-BOT-BC49716  Ceanothus cuneatus var. rigidus Brandegee 93 Contra Costa Nortonville Comment
  CHSC24694  Ceanothus oliganthus var. sorediatus G. Strang 1976-4-17 15 Contra Costa 2 .7 mi w of Canyon school on Pinehurst Rd. on se facing bank. 121 Comment
  CAS-BOT-BC63453  Ceanothus palmeri Mark Boone 1981-2-22 002 Contra Costa Mt. Diablo State Park 10.8 mi. from N. Park Gate. Comment
  HSC18334  Ceanothus thyrsiflorus D. A. Shally 1965-4-18 34 Contra Costa Canyon, 1.5 mi. NE of Canyon Store on 'fire trail Comment
  CDA29161  Centaurea calcitrapa Deviney 2009-6-1 s.n. Contra Costa Martinez. McEwen Road. 0 Comment
  CAS-BOT-BC277052  Centaurea melitensis Alice Eastwood 1921-4-11 10239 Contra Costa Antioch Comment
  HSC5243  Centaurea melitensis Greg Bos 1963-4-14 77 Contra Costa Bayshore freeway at Central Ave.; Richmond Flat Area 1 Comment
  JEPS75544  Centaurea solstitialis P. F. Yorks 1974-8-10 362 Contra Costa ca 1.8 km s of Bear Creek Road (on Hampton Road in Hampton Road Natural Reserve, n of Briones Reservoir); Hampton Road Natural Perserve, Briones Reservoir 200 Comment
  JEPS111969  Centaurium davyi Christopher Thayer 1995-6-5 Contra Costa West of Pinole Peak 274 Comment
  UC2028274  Centaurium davyi Barbara Ertter 1999-6-12 16702 Contra Costa Black Hawk Ridge Road between Knobcone Point Road and NE fork of Sycamore Creek, South side of Mount Diablo. Comment
  JEPS46971  Centaurium muehlenbergii Mary L. Bowerman 1930-9-27 463 Contra Costa 2 mi by road from Mount Diablo w entrance (take trail to w, follow fence and go through to w base spring); Mount Diablo Comment
  UC1178020  Centaurium muehlenbergii Herbert L. Mason 1955-7-14 14637 Contra Costa 0.5 mi e Antioch Bridge Comment
  UC2028240  Centaurium muehlenbergii Barbara Ertter, Tony Morosco 1998-9-18 16424 Contra Costa Lime Ridge Open Space northwest of Mount Diablo. Comment
  UC2042753  Centaurium tenuiflorum Barbara Ertter with Brad Olson and Lynne Hosley 1993-11-14 12320 Contra Costa Skyline Trail in East Bay Hills west of Orinda, above Caldecott Tunnel between Fish Ranch Road and Roundtop. Comment
  CAS-BOT-BC288546  Centromadia fitchii James I. McMurphy 1908-10-18 s.n. Contra Costa Antioch Comment
  JEPS88689  Centromadia fitchii John Thomas Howell 30904 Contra Costa near Turtle Rock; Mt. Diablo 259 Comment
  UC1093927  Centromadia fitchii Herbert L. Mason 1929-9-21 5430 Contra Costa 3 mi above Clayton (Marsh Creek Road) Comment
  CAS-BOT-BC288538  Centromadia fitchii David D. Keck 1933-11-2 2616 Contra Costa 1 mile E of Nichols, N part of county Comment
  UC2028246  Centromadia fitchii Barbara Ertter, Tony Morosco 1998-9-18 16416 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, Valley Vista Road entrance. Comment
  UCD130133  Centromadia parryi subsp. congdonii Robert E. Preston 1998-10-25 1198 Contra Costa Danville, at junction of Sycamore Valley Road and Camino Tassajara. 129 Comment
  CAS-BOT-BC279185  Centromadia pungens subsp. pungens David D. Keck 1933-11-2 2613 Contra Costa 3 mi. S. of Martinez on road to Pacheco Comment
  CAS-BOT-BC279192  Centromadia pungens subsp. pungens Niall McCarten; V. I. Dains 1986-1-1 03251142 Contra Costa Wl of Camino Diablo & Kellogg Creek Comment
  JEPS51352  Cerastium glomeratum W. L. Jepson 1922-4-16 9600 Contra Costa San Pablo Comment
  RSA0069381  Cerastium glomeratum Katie Gallagher, Nick Jensen 2014-4-26 208 Contra Costa Las Trampas Regional Wilderness. 487 Comment
  CDA19002  Ceratophyllum demersum R. Gage 2000-10-18 PDR 1198719 B Contra Costa Clifton Ct. Forebay, NW of Tracy, at the head of State Water project. 0 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
  UC691101  Cercocarpus betuloides var. betuloides Mary L. Bowerman 1931-4-25 Contra Costa summit of Meridian Peak (Mount Diablo); , Meridian Peak Comment
  UC691122  Cercocarpus betuloides var. betuloides Mary L. Bowerman 1931-3-7 548 Contra Costa summit of Meridian Peak, Mount Diablo Meridian Peak; Mount Diablo, Meridian Peak Comment
  CAS-BOT-BC284217  Chaenactis glabriuscula var. megacephala A. A. Heller 1908-4-16 8894 Contra Costa East of Antioch 22 Comment
  RSA0028851  Chamaesyce maculata Barbara Ertter, Rich Rabeler, Tony Morosco 1997-6-10 15666 Contra Costa Miller Knox Regional Shoreline south of Richmond, parking area for Richmond Ramblers. Comment
  UC2062626  Chamaesyce maculata Barbara Ertter with John Ginochio 2002-6-1 17945 Contra Costa Ginochio house on south side of North Gate Road on NW base of Mount Diablo, lower Arroyo del Cerro. Comment
  UC692713  Chamaesyce ocellata Mary L. Bowerman 1930-10-19 494 Contra Costa little below rd junction West rd Comment
  JEPS111947  Chamaesyce serpens A. G. Murdock 2004-5-28 306 -B Contra Costa Luzon 60 Comment
  UCD102374  Cheilanthes covillei Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-24 s.n. Contra Costa Mount Diablo State Park. Burma Road at Mount Diablo. 400 Comment
  JEPS94004  Cheilanthes gracillima J. Greenhouse 1998-6-14 Contra Costa w. of Burma Rd. Trail ca. 1 mi. above North Gate Rd. Mt. Diablo 426 Comment
  JEPS106987  Cheilanthes intertexta J. Greenhouse with Kevin Hintsa 2004-4-5 5086 Contra Costa Mt. Diablo, Fire Interpretive Trail, Devil's Pulpit 1088 Comment
  CHSC75078  Chenopodium album Roger Thom 1987-5-27 23 Contra Costa 1900 block of Olympic Blvd. (at Newell Ave.) Walnut Creek. 15 Comment
  UC630416  Chenopodium berlandieri Paule Guiget and Annetta Carter 1939-8-13 1453 Contra Costa Treat Ave. se Concord 53 Comment
  UC692148  Chorizanthe membranacea Mary L. Bowerman 1930-6-28 403 Contra Costa lower Silver Spring , lower Silver Spring (Mount Diablo) Comment
  UC77552  Chorizanthe membranacea Brandegee April, 1889 Contra Costa Mount Diablo Comment
  CAS-BOT-BC252679  Chorizanthe membranacea L. R. Abrams 1921-5-25 8009 Contra Costa Nera summit of Mt. Diablo Comment
  CDA33827  Chorizanthe membranacea D. G. Kelch 2010-5-15 10 .124 Contra Costa Mt. Diablo. Trail from Juniper Camp to Deer Flat. 0 Comment
  POM300580  Chorizanthe membranacea Mary L. Bowerman 1938-5-28 3636 Contra Costa Mount Diablo: North Road 4.7 miles from North Gate. 412 Comment
  JEPS97617  Chrysolepis chrysophylla var. minor R. D. Stone 1980-7-13 265 Contra Costa NE of intersection of Skyline Blvd. and Snake Rd. Huckleberry Trail; Oakland Hills, near Alameda-Contra Costa county line Comment
  CDA34761  Cicendia quadrangularis D. G. Kelch 2011-3-31 11 .067 Contra Costa Carquinez Strait region.; Pinole. Comment
  UC22848  Cicendia quadrangularis W. H. Brewer 1862-4-24 993 Contra Costa Martinez; near Camp 68 Comment
  UC20920  Cicuta maculata var. bolanderi Jos. Burtt Davy 1900-6-7 6668 Contra Costa near Martinez Comment
  CAS-BOT-BC277977  Cirsium cymosum John Thomas Howell 1931-5-12 6479 Contra Costa North side of Mt. Diablo Comment
  OBI73068  Cirsium occidentale David J. Keil, with Barbara Ertter et al. 2000-6-18 28815 C Contra Costa Mount Diablo State Park. Lower part of Jumper Trail above Laurel Dell picnic area 914 Comment
  CAS-BOT-BC288043  Cirsium occidentale var. venustum Mrs. E. C. Wright 1917-6-1 s.n. Contra Costa Mt. Diablo Comment
  CAS-BOT-BC288044  Cirsium occidentale var. venustum Mrs. E. C. Wright 1917-6-1 s.n. Contra Costa Mt. Diablo Comment
  UC71884  Cirsium quercetorum Jos. Burtt Davy 1897-4-17 Contra Costa Point Isabel Comment
  UC691386  Cirsium vulgare Mary L. Bowerman 1932-11-19 1659 Contra Costa Lower Grapevine Spring Mount Diablo, Lower Grapevine Spring 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
  UC692500  Clarkia affinis Mary L. Bowerman 1935-5-22 3041 Contra Costa canyon at n end Eagle Point Ridge (canyon heads into saddle w of Twin Peaks); Mount Diablo 304 Comment
  UC692501  Clarkia affinis Mary L. Bowerman 1933-5-18 2123 Contra Costa Blackberry Spring Mount Diablo Comment
  UCD102383  Clarkia affinis Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-24 s.n. Contra Costa Mount Diablo State Park. Devils Elbow-Devils Pulpit. 1070 Comment
  CAS-BOT-BC162563  Clarkia affinis Mary L. Bowerman 1933-5-17 2095 Contra Costa Branch of Curry Canyon due south of Olafsons' barn - Mount Diablo Comment
  UC1072046  Clarkia affinis H. Lewis and C. Epling 1947-5-4 199 Contra Costa 0.2 mi s 14 mile house (Livermore to Mt. Hamilton road) Comment
  SBBG40396  Clarkia amoena W. J. Dress 1951-7-3 3466 Contra Costa near rd a few mi S of Moraga 152 Comment
  UCD104019  Clarkia amoena Beecher Crampton 1949-7-3 475 Contra Costa San Pablo Creek Valley, east of San Pablo Ridge, along road to Orinda. 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
  CAS-BOT-BC164157  Clarkia concinna A. D. E. Elmer 1903-5-1 4336 Contra Costa Mount Diablo Comment
  JEPS111555  Clarkia concinna subsp. concinna A. G. Murdock 2003-6-2 80 Contra Costa Franklin Canyon - McHarry Ranch Rd. East side of road on bank above creek across from fire road gate. 137 Comment
  UC107960  Clarkia concinna subsp. concinna K. Brandegee 1892-6-9 Contra Costa Pt. Costa Comment
  UC634661  Clarkia concinna subsp. concinna David R. Goddard 1927-5-23 170 Contra Costa San Pablo Creek Canyon Comment
  CAS-BOT-BC163286  Clarkia modesta Mrs. Brandegee s.n. Contra Costa Antioch Comment
  CAS-BOT-BC163675  Clarkia purpurea subsp. quadrivulnera Rimo Bacigalupi 1926-4-30 1358 Contra Costa Mt. Diablo 548 Comment
  CDA33413  Clarkia purpurea subsp. quadrivulnera D. G. Kelch, D. A. Weinstein 2011-5-28 11 .539 Contra Costa Carquinez Strait Region.; W of Martinez. N of end of Hillside Pl. Comment
  UC1122404  Clarkia purpurea subsp. quadrivulnera C. M. Belshaw 1936-5-9 2077 Contra Costa 1 1/2 mi e Mulligan Hill (near plot 13); Mt. Diablo Quadrangle Comment
  UC692489  Clarkia purpurea subsp. quadrivulnera Mary L. Bowerman 1931-5-16 859 Contra Costa w flank Ransom Point Ridge (Summit); Mount Diablo Comment
  CAS-BOT-BC163668  Clarkia purpurea subsp. quadrivulnera Mary L. Bowerman 1931-5-13 844 Contra Costa Mount Diablo. Pine Canyon floor one mile above the Sulphur Spring Comment
  POM301855  Clarkia purpurea subsp. quadrivulnera Mary L. Bowerman 1933-5-18 2123 Contra Costa Mount Diablo: Blackberry Spring Comment
  UC2028320  Clarkia purpurea subsp. viminea Barbara Ertter, Susan D'Alcamo 1998-6-12 16157 Contra Costa North Gate Road on west flank of Mount Diablo, ca 1/2 mile below upper Turtle Rock Ranch buildings. Comment
  RSA113596  Clarkia rubicunda Peter H. Raven 1957-7-5 11050 Contra Costa Northeast side of the hills at Point Richmond 107 Comment
  SEINET10777205  Clarkia rubicunda Barbara J. Ertter, J. Travis Columbus 1990-6-10 Ertter 9103 Contra Costa NE corner of Briones Regional Park, Briones Hills W of Pleasant Hill; jct of Briones Crest and Table Top trails on grassy knoll E of Briones Peak. 427 Comment
  CAS-BOT-BC165454  Clarkia unguiculata Paul F. Covel 1936-5-17 259 Contra Costa Ford Canyon, s-w base of Mt Diablo Comment
  SEINET10492200  Clarkia unguiculata Tim Holtsford 1992-6-13 Holtsford 920613 -1 Contra Costa Morgan territory rd, se of concord, 1.35 mi s of marsh creek rd (clayton rd), 0.1 Mi n of shale cliff court. Roadside pop, n-facing slope with oaks, digger Pines, poison oak. Most flowering over, fruits still green. Comment
  CAS-BOT-BC439167  Claytonia exigua subsp. exigua John Thomas Howell 1926-3-7 1676 Contra Costa Mt. Diablo Comment
  JEPS68968  Claytonia exigua subsp. exigua Edward Lee 1935-3-10 1302 Contra Costa Nortonville , Kirker Creek (s watershed Kirker Creek) Comment
  UC1136707  Claytonia exigua subsp. exigua R. C. Wilson 1935-3-29 162 Contra Costa 1 mi w Deer Flat; Mt. Diablo Quad. 716 Comment
  UC1587532  Claytonia exigua subsp. exigua K. L. Chambers 1977-4-1 4266 Contra Costa ca .12 mi above Deer Flat (on trail to Deer Flat from the summit road, Mt. Diablo); Mt. Diablo Comment
  UC692660  Claytonia exigua subsp. exigua Mary L. Bowerman 1932-3-12 1114 Contra Costa Alamo Canyon (50 ft above stream) Alamo Canyon; Mount Diablo 365 Comment
  UC765765  Claytonia exigua subsp. exigua R. F. Hoover 1938-3-25 2896 Contra Costa Lone Tree Valley Comment
  UC7853  Claytonia exigua subsp. exigua H. P. Chandler 1900-3-24 588 Contra Costa Briones Hills; Mt. Diablo Region Comment
  UC7935  Claytonia exigua subsp. exigua W. H. Brewer 1862-5-7 1059 Contra Costa Summit of Mt. Diablo; Mt. Diablo Comment
  UC7939  Claytonia exigua subsp. exigua State Survey 1862-5-7 1059 Contra Costa Mt. Diablo Summit Comment
  POM164051  Claytonia exigua subsp. exigua C. F. Baker 1903-4-28 4624 Contra Costa Mitchell s canon, Mt. Diablo. Comment
  UC692661  Claytonia exigua subsp. glauca Mary L. Bowerman 1932-3-6 1098 Contra Costa near Black Hawk Ridge saddle; Mount Diablo Comment
  JEPS43278  Claytonia gypsophiloides Edw. L. Greene Jun 1892 Contra Costa Mount Diablo Comment
  UC2028064  Claytonia gypsophiloides Barbara Ertter with Tony Morosco 1998-4-12 16010 Contra Costa Mount Olympia on north side of Mount Diablo, East Trail along ridge NE of summit. Comment
  HSC17691  Claytonia perfoliata subsp. mexicana D. A. Shally 1965-4-18 33 Contra Costa Canyon, 1 mi. N of Canyon Store Comment
  CAS-BOT-BC440076  Claytonia perfoliata subsp. perfoliata John Thomas Howell 1933-5-14 11273 Contra Costa Hills east of St. Mary's College Comment
  CHSC21635  Claytonia perfoliata subsp. perfoliata Willis Ball 1975-3-9 488 Contra Costa Contra Loma Regional Park. In area #8. On n facing slope ca. 550 yds sw of main parking lot ca. 780 yds w of Contra Loma Blvd. 137 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
  UC1050592  Clematis cirrhosa N. Floy Bracelin 1942-2-22 1942 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1051262  Clematis heracleifolia var. davidiana N. Floy Bracelin 1941-7-4 1459 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC545776  Clematis lasiantha Annetta M. Carter 1935-6-1 874 Contra Costa n.w. slope of main peak Mt. Diablo 1005 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
  JEPS100147  Collinsia heterophylla G. Smick 2003-4-3 GAS 118 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC71983  Collinsia sparsiflora Chestnut and Drew 1889-4-5 Contra Costa Martinez 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
  JEPS21079  Collinsia sparsiflora var. collina Joe Zaerr 1958-4-12 71 Contra Costa Along Marsh Creek, Morgan Territory Road (NE slopes of Mt. Diablo) 243 Comment
  POM203034  Collinsia sparsiflora var. collina J. T. Howell 1934-4-8 11810 Contra Costa 7 miles from Clayton on road to Livermore. Comment
  UC2027814  Collinsia sparsiflora var. collina Barbara Ertter with Stu Garrett 1997-3-29 15530 Contra Costa West side Mount Diablo, Burma Road on Long Ridge. Comment
  SBBG6880  Collinsia sparsiflora var. sparsiflora J. M. Tucker 1946-3-24 1381 Contra Costa hills between Nortonville and Somersville Comment
  UC26660  Collinsia tinctoria Edw. L. Greene Jun 1892 Contra Costa Mount Diablo Comment
  UC2029194  Conium maculatum Barbara Ertter 2000-7-16 17382 Contra Costa Diablo Foothills Regional Park, riparian strip along Pine Creek between Castle Rock Regional Recreation Area Comment
  UC23157 Image available Convolvulus luteolus var. purpuratus Ivar Tidestrom 1893-4-15 Contra Costa Sheep Island Island, S.Fr. Bay, (Brooks Island) Comment
  UC2027981  Conyza bonariensis Barbara Ertter, Chris Thayer 1996-10-25 15390 Contra Costa Southwest flank of Mount Diablo, lower South Gate Road just inside park boundary. Comment
  UC2028517  Conyza canadensis Barbara Ertter 1996-11-24 15422 Contra Costa West side of Mount Diablo, upstream from Pine Pond along Stage Road in Pine Canyon, floodplain at junction with Dusty Road Comment
  JEPS78633  Cordylanthus mollis subsp. mollis Walter Knight and Neal Havlik 1979-10-7 3415 Contra Costa in marsh along tidal inlet Point Pinole Regional Shoreline (e end of shoreline) 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
  NY68295  Cordylanthus nidularius J. T. Howell 1942-7-19 17044 Contra Costa Near of Deer Flat, Mt. Diablo. Comment
Read comments
Jul 18 2011
  RSA412333  Cordylanthus pilosus subsp. pilosus Hattie Benton 1917-10 3294 Contra Costa Mt. Diablo. Comment
  RSA136731  Cordylanthus pilosus subsp. pilosus J. T. Howell 1955-8-24 30902 Contra Costa Near Diablo County Club, south base of Mt. Diablo. Comment
  UC192419  Cornus glabrata E. L. Greene 1886-5-25 Contra Costa Walnut Creek Comment
  UC692510  Cornus glabrata Mary L. Bowerman 1935-3-16 2735 Contra Costa e. fork Arroyo del Cerro Mt. Diablo; , e. fork Arroyo del Cerro 262 Comment
  UC692511  Cornus glabrata Mary L. Bowerman 1931-5-28 904 Contra Costa Pine Canyon Mt. Diablo (gully at e. end of Castle Rock Farm); , Pine Canyon Comment
  JEPS111819  Cornus sericea D. G. Kelch 2003-8-13 03 .132 Contra Costa Pinole Creek 68 Comment
  UC650584  Cornus sericea subsp. sericea Ira L. Wiggins 1930-4-18 4593 Contra Costa levee banks e. end Jersey Island Comment
  UC70644  Cornus sericea subsp. sericea Jos. Burtt Davy 1895-7-13 Contra Costa Moraga Valley, Jack Hayes Canyon Oakland Hills, Moraga Valley, Jack Hayes Canyon Comment
Read comments
Jun 8 2011
  UC651290  Coronopus didymus Ira L. Wiggins 1930-4-18 4595 Contra Costa e end of Jersey Island, Fallow cornfield Jersey Island Comment
  CAS-BOT-BC190026  Cortaderia selloana Walter Knight 1978-9-19 3247 Contra Costa Browns Island. South Landing. 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
  CDA42381  Cotoneaster pannosus D. G. Kelch 2012-5-27 12 .072 Contra Costa Carquinez Strait Region; Pinole Valley Park. Comment
  UC1795664  Cotula australis Barbara Ertter, Mary Bowerman et al. 1995-5-7 14055 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, road behind houses traversing north facing slope, mixed forest with much undergrowth. Comment
  RSA721748  Cotula australis Barbara Ertter, Mary Bowerman, et al. 1995-5-7 14055 Contra Costa Three-Springs on NE side of Mt. Diablo SE of Clayton, road behind houses traversing north-facing slope Comment
  JEPS111528  Cotula coronopifolia D. G. Kelch 2005-5-5 05 .212b Contra Costa Point Pinole - Giant Marsh Giant Salt Marsh 3 Comment
  JEPS111659  Cotula coronopifolia A. G. Murdock 2004-3-19 232 Contra Costa Hercules - Carbon 50 Comment
  UC1819010  Cotula coronopifolia Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14230 Contra Costa South side Mount Diablo, Sheepherder Springs complex 1/2 mile north of Curry Point, wet ground in grassland. 487 Comment
  CDA20616  Crassocephalum crepidioides G. F. Hrusa 2006-1-18 16841 a Contra Costa San Francisco Bay Area; San Pablo at Stanton and San Pablo Ave. 0 Comment
  JEPS65181  Crassula aquatica L. R. Heckard 1971-4-15 2486 Contra Costa s. Byron (field at intersection of Holey Rd.) Comment
  SBBG122841  Crassula aquatica M. Bowerman 1975-9-14 Contra Costa Hidden Pond, Mt Diablo Comment
  UC1949082  Crassula aquatica Barbara Ertter with Jim Dunne, David Gowen, Lech Naumovich 2009-12-3 19792 Contra Costa at upper (south) end of San Pablo Dam Reservoir northwest of Orinda Comment
  UC692557  Crassula aquatica Mary L. Bowerman 1935-6-21 3154 Contra Costa e. Turtle Rock pool; Mt. Diablo Comment
  CAS-BOT-BC427570  Crassula aquatica Brandegee No date on label s.n. Contra Costa Antioch Comment
  RSA0068476  Crassula connata Katie Gallagher, Nick Jensen 2014-4-26 202 Contra Costa Las Trampas Regional Wilderness. 487 Comment
  UC2027788  Crassula connata Barbara Ertter 1991-5-5 9787 Contra Costa Black Diamond Mines Regional Preserve S of Pittsburg, vernally moist flat at edge of Black Diamond Trail ca. 1/4 mi E of pond Comment
  UC2027987  Crassula tillaea Barbara Ertter 1998-5-3 16033 Contra Costa Pine Ridge summit of Wall Point Road at southwest base of Mount Diablo. Comment
  UC1607510  Cressa truxillensis Barbara Ertter with CNPS members 1992-1-19 10895 Contra Costa n.w. corner Concord Naval Weapons Station (Hastings Slough); Hastings Slough Comment
  UC1121528  Crocanthemum scoparium var. vulgare R. W. Lundh Contra Costa San Francisco Quadrangle Comment
  UC692613  Crocanthemum scoparium var. vulgare Mary L. Bowerman 1931-11-7 1067 Contra Costa 1920 point Mount Diablo, Inner Black Hills Comment
  OBI15230  Crossosoma californicum Neil Havlik 1968-3-21 82 Contra Costa Charles Lee Tilden Regional Park, E of Berkeley Comment
  CDA21584  Croton californicus D. G. Kelch 2000-9-4 0 .146 Contra Costa CA Delta; N Oakley. Comment
  CDA35288  Croton californicus F. J. Brucato 1962-8-21 Contra Costa Antioch, Wilbur Ave, 1 mile west of Hwy 24. 0 Comment
  CAS-BOT-BC190079  Crypsis schoenoides Walter Knight 1977-7-20 s.n. Contra Costa On Briones Ridge, Briones Regional Park. 304 Comment
  RSA757946  Crypsis vaginiflora Barbara Ertter 1989-9-30 8865 Contra Costa Tilden Regional Park east of El Cerrito, East Bay Skyline National Recreation Trail (= Nimitz Way), small dried pond about 1.25 miles northwest of Inspiration Piont. Comment
  UC691350  Cryptantha clevelandii Mary L. Bowerman 1933-5-18 2129 Contra Costa Southwest of Blackberry Spring Comment
  RSA0029675  Cryptantha corollata 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, steep rocky S-facing bowl. 1037 Comment
  SBBG28215  Cryptantha flaccida L. Constance, C. W. Sharsmith with H. S. Reed 1940-4-27 2573 Contra Costa Pine Cyn, base of Mt Diablo 304 Comment
  UC407075  Cryptantha flaccida L. R. Abrams 1921-5-25 8017 Contra Costa Mt. Diablo Comment
  UC193956  Cryptantha microstachys Edward Lee Greene 1886-5-24 Contra Costa Mt. Diablo Comment
  UC691340  Cryptantha microstachys Mary L. Bowerman 1933-5-25 2183 Contra Costa w end Oyster Ridge (steep n-facing slope, s-face); Mount Diablo 411 Comment
  UC691349  Cryptantha muricata Mary L. Bowerman 1934-4-21 2536 Contra Costa Muir Area Mount Diablo Comment
  UC691359  Cryptantha muricata Mary L. Bowerman 1933-4-26 1914 Contra Costa North Peak ridge, ese of the peak, s-face Mount Diablo 609 Comment
  JEPS108227  Cryptantha nevadensis David Gowen 2005-5-6 283 Contra Costa Mt. Diablo State Park. Rocky outcrops on the south side of North Peak. Comment
  UC1948929  Cupressus macrocarpa William J. Ferlatte, L. Maynard Moe 1970-4-27 1259 Contra Costa San Francisco Bay: Red Rock Island Comment
  RSA39871  Cuscuta californica P. A. Munz 1937-10-8 12200 Contra Costa near Antioch 8 Comment
  CDA33318  Cuscuta japonica Niang/Slattengreen 2008-8-2 PDR# 1454025 Contra Costa El Sobrante; 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
  UCD126325  Cuscuta salina M. Wiesendanger 1926-6-1 1533 Contra Costa Richmond. Comment
  JEPS25276  Cuscuta salina var. major G. Thomas Robbins 1959-9-13 4163 Contra Costa just e Hercules (ne edge of San Pablo Bay); San Pablo Bay Comment
  CDA31062  Cuscuta subinclusa D. G. Kelch 2006-8-11 6 .374 Contra Costa Carquinez Strait.; Top of Edward s Canyon. Crockett. Comment
  UC1197871  Cuscuta subinclusa Joseph P. Tracy 1932-9-10 10789 D Contra Costa Franklin Canyon 152 Comment
  UC562481  Cuscuta subinclusa Joseph P. Tracy 1932-9-10 10789 C Contra Costa Franklin Canyon 152 Comment
  UC691854  Cuscuta subinclusa Mary L. Bowerman 1935-6-1 3118 Contra Costa n side Meridian Peak summit (below house); Mount Diablo 1158 Comment
  CDA31110  Cynodon dactylon D. G. Kelch 2004-5-9 4 .208 Contra Costa Carquinez Strait Region; Crockett - Carquinez Scenic Drive. Scenic Drive west of Bull Valley Staging Area, east of Crockett, CA Comment
  JEPS111843  Cynoglossum grande D. G. Kelch 2005-2-28 05 .10 Contra Costa Vaca Canyon Alhambra Valley Road 165 Comment
  UCSB21184  Cynoglossum grande Jones, D. 1967-3-25 Contra Costa Mt. Diablo State Park 475 Comment
  UCSB24742  Cynoglossum grande Rieser, R. 1966-4-2 Contra Costa 100 ft. north of Eagles Point, Sleepy Hollow, Orinda 396 Comment
  UC2061523  Cynosurus echinatus Dean G. Kelch 2016-5-27 16 .139 Contra Costa Miller-Knox Hill. Comment
  CAS-BOT-BC226638  Cyperus acuminatus Virginia I. Dains; Walter Knight 1986-8-8 5501 Contra Costa Jct Rock S1 & Werner Cut 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
  UC1563866  Cyperus eragrostis Barbara Ertter 1989-9-30 8864 Contra Costa e. El Cerrito (ca. 1 1/4 mi. n.w. of Inspiration Point, E. Bay Skyline Nat'l Recreation Trail (= Nimitz Way), Tilden Regional Park); Tilden Regional Park Comment
  SEINET11752107  Cyperus eragrostis Unknown 1940-1 90 Contra Costa banks at upper end of San Leandro Lake near mouth of Redwood Creek 130 Comment
  SEINET7581662 Image available Cyperus eragrostis Thomas Morley 1940-12-3 90 Contra Costa Bans at upper end of San Leandro Lake near mouth of Redwood Creek. 130 Comment
  UC1157919  Cyperus eragrostis Olive Dyer 1936-9-5 29 W Contra Costa 1/2 mi. above San Pablo Ave. Wildcat Creek Comment
  UCD150887  Cyperus esculentus James A. Neilson Jr. 1972-11-2 3615 Contra Costa Walnut Creek drainage. Elevation estimated using Google Earth by label maker. 1 Comment
  CAS-BOT-BC113834  Cyperus niger John Thomas Howell 1950-7-5 26633 Contra Costa Spring along North Road, Mt. Diablo. Comment
  UC692656  Cypselea humifusa Mary L. Bowerman 1935-9-13 3337 Contra Costa Mount Diablo, Hidden Pond Hidden Pond; Mount Diablo, Hidden Pond Comment
  RSA0027405  Datura stramonium Barbara Ertter 1999-8-21 16790 Contra Costa Former reservoir upstream from mouth of Mitchell Canyon. Comment
  CDA29514  Daucus pusillus D. G. Kelch, Troy MacGregor 2009-5-1 9 .275 Contra Costa Carquinez Strait; Franklin Ridge. Fernandez Ranch Extension. Comment
  JEPS111615  Daucus pusillus D. G. Kelch 2004-5-9 04 .206 Contra Costa Crockett - Upper Edwards Canyon, above Crockett Blvd 160 Comment
  UC692370  Daucus pusillus Mary L. Bowerman 1932-4-27 1404 Contra Costa canyon w. of Riggs Canyon (fork of canyon toward n. end, Oyster Ridge); Mt. Diablo, Oyster Ridge 350 Comment
  CAS-BOT-BC294018  Deinandra kelloggii Mrs. Curran 1883-5-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC294020  Deinandra kelloggii John Thomas Howell 1930-9-28 5505 Contra Costa 3.2 miles from Byron on Marsh Creek Road Comment
  CAS-BOT-BC294021  Deinandra kelloggii John Thomas Howell 1929-7-20 4329 Contra Costa 2 miles s. of Oakley Comment
  UCD131076  Deinandra kelloggii Ann F. Johnson 1978-7-1 AN- 43 Contra Costa tall tarweed in dry grassy area near west PG and E tower, Antioch Dunes. Comment
  CAS-BOT-BC291807  Deinandra lobbii H. M. Hall 1930-6-18 12792 Contra Costa Somerville [Somersville], hills south of Pittsburg Comment
  UC1818999  Delphinium Barbara Ertter, Tom Delendick 1996-5-2 14615 Contra Costa Mount Diablo State Park, Deer Flat Road north of Juniper Camp, at cut through open live oak forest, northwest-facing slope. 853 Comment
  UC691948  Delphinium californicum Mary L. Bowerman 1935-5-30 3091 Contra Costa rock slide Mount Diablo, Eagle Point Ridge 350 Comment
  UC1018502  Delphinium hansenii subsp. hansenii H. Lewis and C. Epling 1946-5-5 605 Contra Costa 0.5 mi s Somersville Comment
  UC1018264  Delphinium hansenii subsp. hansenii H. Lewis and C. Epling 1947-5-4 703 Contra Costa Marsh Creek Road 5.8 mi e Curry Creek Park Road Comment
  UC85570  Delphinium hansenii subsp. hansenii Katharine Brandegee 1907-5 Contra Costa Bet. Antioch and Marsh Creek Comment
  CAS-BOT-BC10307  Delphinium hesperium Miss Mary Leolin Bowerman 1938-5-25 3635 Contra Costa North Road 21 miles from North Gate 182 Comment
  POM300586  Delphinium hesperium Mary L. Bowerman 1931-5-2 786 Contra Costa Foot of Eagle Point ridge: Grassy slope at edge of wooded hill Comment
  UC692084  Delphinium hesperium subsp. hesperium Mary L. Bowerman 1938-5-25 3635 Contra Costa s-facing slope above North Road 2.1 mi from North Gate; Mount Diablo 182 Comment
  CAS-BOT-BC10009  Delphinium hesperium subsp. pallescens R. D. Stone 1983-5-17 510 Contra Costa Extreme northern end of the Jackson Ranch, near Alameda County line ca. 9 mi. NE of Livermore and 1 mi. NNE of Brushy 182 Comment
  LA207541  Delphinium hesperium subsp. pallescens H. Lewis; Carl Epling 1944-5-6 sn Contra Costa 1.2 mi. S of Marsh Creek Road on Beck Road to Livermore Comment
  UC9183  Delphinium hesperium subsp. pallescens W. H. Brewer 1862-5-29 1185 Contra Costa near Camp 71; Marsh's Ranch Comment
  UC765793  Delphinium nudicaule R. F. Hoover 1938-5-4 3340 Contra Costa Marsh Creek Canyon Comment
  CAS-BOT-BC116456  Delphinium patens subsp. patens J. T. Howell 1933-5-14 11279 Contra Costa Hills east of St. Mary's College 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
  UC1819000  Delphinium patens subsp. patens Barbara Ertter, Tom Delendick 1996-5-2 14614 Contra Costa Mount Diablo State Park, Deer Flat Road north of Juniper Camp, at cut through open live oak forest, northwest-facing slope. 853 Comment
  UC1314933  Delphinium recurvatum R. F. Hoover 1967-4-28 10511 Contra Costa Byron Hot Springs Comment
  LA207616  Delphinium recurvatum Carl Epling; 1945-3-23 542 Contra Costa 5 mi. W of Hwy. 120 on Byron Hot Springs rd Comment
  LA207638  Delphinium variegatum H. Lewis; Carl Epling 1944-5-6 sn Contra Costa 1 mi. S of Marsh Creek Rd. on the Beck Rd. to Livermore Comment
  POM199453  Delphinium variegatum subsp. variegatum Katherine Brandegee s.n. Contra Costa Antioch Comment
Read comments
Sep 3 2010
  JEPS51668  Dendromecon rigida H. H. Haworth 1917-3-3 Contra Costa Maraga Ridge Comment
  UC1050504  Dendromecon rigida N. Floy Bracelin 1941-4-27 1222 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  CAS-BOT-BC192544  Deschampsia cespitosa subsp. holciformis Walter Knight; Joanne Dean 1978-8-14 3151 Contra Costa Browns Island Comment
  CAS-BOT-BC192543  Deschampsia cespitosa subsp. holciformis Peter H. Raven 1955-6-12 8293 Contra Costa Just above Antioch Comment
  CAS-BOT-BC192676  Deschampsia danthonioides Mary L. Bowerman 1935-6-28 3164 Contra Costa Chase Pond 548 Comment
  SEINET11676571  Deschampsia danthonioides I. L. Wiggins 1930-1 4576 Contra Costa 0.5 mi S of Byron Comment
  UC2028497  Deschampsia elongata Barbara Ertter 1999-6-12 16710 Contra Costa Black Hawk Ridge road on south side of Mount Diablo, road crossing at confluence of NE and E forks of Sycamore Creek Comment
  UC2029179  Deschampsia elongata Barbara Ertter with Alan Prather 2003-6-7 18209 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo, Coyote Trail. Comment
  UC1050948  Diascia barberae N. Floy Bracelin 1942-8-9 2243 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  CAS-BOT-BC500086  Dichelostemma capitatum E. M. Zeile 1922-6-3 s.n. Contra Costa Mt. Diablo. Comment
  JEPS100060  Dichelostemma capitatum subsp. capitatum G. Smick 2003-2-20 GAS 45 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  RSA0031305  Dichelostemma congestum Barbara Ertter 2000-5-14 17006 Contra Costa Donner Canyon on north side of Mount Diablo, SW end of Falls Trail between Middle Trail and Donner Creek crossing. 457 Comment
  CDA1975  Digitaria sanguinalis D. G. Kelch, A. G. Murdock 2005-6-27 5 .39 Contra Costa Carquinez Strait; 6th Street at Lillian Street, Crockett. Comment
  JEPS121009  Digitaria sanguinalis D. G. Kelch 2006-9-6 06 .469 Contra Costa Elkhorn Creek, E of Crockett Comment
  CAS-BOT-BC150330  Diplacus aurantiacus Alice Eastwood 1921-4-18 10287 Contra Costa Antioch Comment
  CAS-BOT-BC150331  Diplacus aurantiacus E. E. Stanford 1930-5-24 1514 Contra Costa Marsh Creek Canyon Comment
  CAS-BOT-BC153952  Diplacus rattanii Alice Eastwood 1915-5-30 4542 Contra Costa Mt. Diablo Comment
  UCD159358  Dipsacus sativus D. S. Park 2010-6-22 143 Contra Costa Wildwood canyon. Along trailside. Ditch/waterway. Small population. 80 Comment
  JEPS111909  Dirca occidentalis Dean G. Kelch and Andrew G. Murdock 2003-3-2 DGK 03 .038.C. Contra Costa Crockett - Edwards Canyon. At top of Crockett Blvd. East of Cummings Skyway. Comment
  UC552357  Dirca occidentalis Arthur Cobbledick 1936-3-23 Contra Costa Wildcat Canyon Comment
  UC872740  Dirca occidentalis Lewis S. Rose 1939-1-24 39002 Contra Costa head of Wildcat Canyon Berkeley Hills 426 Comment
  SEINET6957400  Dirca occidentalis Lorin I. Nevling 1996-2-16 345 Contra Costa Redwood Regional Park. Moon Gate Trail, right branch about 200 yards from gate. Gate is across from 9383 Skyline Boulevard. "Western Leatherwood." Comment
  UC400146  Disporum hookeri Ynes Mexia 1929-4-21 2387 Contra Costa Moraga Valley 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
  UC792335  Disporum hookeri J. A. Rattenbury 1948-3-26 104 Contra Costa on s side of highway above creek 1/2 mi e of Oakland Tunnel 213 Comment
  RSA170194  Disporum hookeri var. hookeri J. Rattenbury 1948-4-13 111 Contra Costa On south side of highway above creek, half mile east of Tunnel from Oakland; 213 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
  JEPS12755  Distichlis stricta Rimo Bacigalupi with G. T. Robbins 1955-5-4 4971 Contra Costa on Ygnacio Valley-Clayton Rd. 1.5 mi e Walnut Creek (margins of sulphur spring) 60 Comment
  CDA37339  Dittrichia graveolens D. G. Kelch 2010-10-31 10 .444 Contra Costa Valley north of Alhambra Valley Rd., south of Pinole Peak, east of Hercules. Comment
  SD175796  Dittrichia graveolens D. G. Kelch 2006-9-25 06 476 Contra Costa Marsh 1.0 km west of Pacheco Slough. 2 Comment
  RSA6497  Dodecatheon clevelandii subsp. patulum D. D. Keck 1933-4-2 1997 Contra Costa Vasco Rd., south of Vasco School. Comment
  UC673401  Dodecatheon hendersonii Herbert L. Mason 1929-3-15 5047 Contra Costa s Nortonville; s of Nortonville 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
  UCSB11262  Dodecatheon hendersonii Hayes, Judy 1961-3-29 Contra Costa 2 miles N of Danville on Cliffhill Road Comment
  JEPS20291  Downingia insignis Lewis S. Rose 1956-4-16 56017 Contra Costa 2 mi se Byron 7 Comment
  JEPS5033  Downingia insignis Ira L. Wiggins 1930-4-17 4570 Contra Costa 0.25 mi s Byron Comment
  UC1751038  Downingia insignis Annetta M. Carter 1951-5-13 3054 Contra Costa 3.3 mi. S of Byron. Comment
  UC766347  Downingia insignis R. F. Hoover 1941-4-12 4839 Contra Costa 1 mi n Lone Tree Valley Comment
  RSA114055  Downingia insignis H. L. Mason 1952-4-14 14267 Contra Costa 3.5 miles S of Byron Comment
  UC1733838  Downingia insignis Kay H. Beach 1941-4-30 1082 Contra Costa 7 Comment
Read comments
Feb 4 2013
  OBI48705  Downingia ornatissima Lewis S. Rose 1940-4-30 40258 Contra Costa 4 mi S of Antioch 30 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
  UCD55128  Downingia pulchella Beecher Crampton 1950-4-22 535 Contra Costa Contra Costa County, Concord Valley, between Highway 4 and Buchanan Field (airport). 15 Comment
  CAS-BOT-BC159645  Drymocallis glandulosa var. glandulosa David D. Keck 1941-6-5 5308 Contra Costa Berkeley Hills, Fish Creek Road, 1/4 mi. W. of east portal of Broadway Tunnel 335 Comment
  UC691095  Drymocallis glandulosa var. wrangelliana Mary L. Bowerman 1938-6-14 3679 Contra Costa Canyon Nook Mount Diablo, Canyon Nook Comment
  UC2027996  Drymocallis glandulosa var. wrangelliana Barbara Ertter 1998-5-3 16064 Contra Costa SE end of Wall Point Road on southwest flank of Mount Diablo. Comment
  UC691098  Drymocallis glandulosa var. wrangelliana Mary L. Bowerman 1933-5-22 2172 Contra Costa on north face w 1970 (Mount Diablo); Inner Black Hills, Mount Diablo Comment
  JEPS100162  Dryopteris arguta A. Langston 2003-6-19 AL 50 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  CAS-BOT-BC70862  Dryopteris arguta R. Bacigalupi 1922-9-24 s.n. Contra Costa Mitchell Canyon of Mt. Diablo 213 Comment
  UC1818961  Echinochloa crus-galli Barbara Ertter 1995-8-19 14502 Contra Costa Edge of Cerrito Creek on north side of Albany Hill, south edge of El Cerrito; dense weeds at edge of sluggish water. Comment
  POM300733  Echinochloa crus-galli Mary L. Bowerman 1938-10-15 372 Contra Costa North Road, by through where trail to west base spring begins. 213 Comment
  UCD60948  Echinochloa crus-pavonis Beecher Crampton 1959-9-3 5451 Contra Costa 2 miles north of Orinda, Bear Creek, East Bay Munic. Distr. Project. Comment
  RSA756015  Eichhornia crassipes Barbara Ertter 1990-9-16 9642 Contra Costa Junction of Cypress Road and Jersey Island Road east of Oakley. Comment
  UC1606337  Eleocharis acicularis Barbara Ertter, Brad Olson 1991-9-28 10832 Contra Costa S end of San Pablo Reservoir between Orinda and El Sobrante Comment
  JEPS111879  Eleocharis macrostachya A. G. Murdock 2004-4-30 250 Contra Costa McEwen Road West side of road in boggy wetland. 130 Comment
  JEPS111900  Eleocharis macrostachya D. G. Kelch 2005-3-24 05 .62 Contra Costa Point Pinole Southern Pt. Pinole 3 Comment
  JEPS111062  Eleocharis macrostachya Lee Echols 2003-6-20 s.n. Contra Costa Richmond Field Station, SW corner of Danthonia grassland N of Lark Drive 15 Comment
  SEINET10747423  Eleocharis macrostachya Barbara J. Ertter 1991-9-28 Ertter 10836 Contra Costa San Pablo Reservoir between Orinda and El Sobrante, dried mud flats at S en of reservoir, 91 Comment
  SEINET7714036  Ellisia chrysanthemifolia Chesnut, Drew 1889-4-15 Contra Costa Martinez Comment
  UC2070620  Elymus caput-medusae Barbara Ertter with John Ginochio 2002-6-1 17946 Contra Costa Castle Rock Park at mouth of Pine Canyon, NW foot of Mount Diablo. Comment
  UC691182  Elymus elymoides subsp. elymoides Mary L. Bowerman 1933-6-14 2273 Contra Costa Curry-Cave Canyon Mount Diablo (ridge between two forks) Comment
  JEPS99562  Elymus glaucus Mary Bowerman 1995-7-2 Contra Costa Mount Diablo, (probably Back Canyon or foot trail to Donner Canyon). Comment
  UC1789176  Elymus glaucus Barbara Ertter 2002-6-16 17953 Contra Costa Richmond Field Station, southwest end of overgrown meadow near boundary with park, edge of thick growth facing fence. Comment
  UC691201  Elymus glaucus Mary L. Bowerman 1933-6-21 2333 Contra Costa Donner Canyon Mount Diablo (along stream) Comment
  UCD61820  Elymus glaucus Beecher Crampton 1956-5-14 3382 Contra Costa Markley Canyon, on the Somersville Road, 4.4 miles southwest of Antioch. Comment
  CAS-BOT-BC228539  Elymus multisetus L. R. Abrams 1921-5-25 8004 Contra Costa On road to summit Mt. Diablo Comment
  UC2028480  Elymus multisetus Barbara Ertter with Richard K. Brummitt 1998-5-6 16103 Contra Costa Point San Pablo west of Richmond, crest of road to yacht harbor Comment
  UC691178  Elymus trachycaulus Mary L. Bowerman 1935-6-15 3128 Contra Costa ridge running n from Mitchell-Pine divide (at 3100 ft level); Mount Diablo 868 Comment
  JEPS108314  Emmenanthe penduliflora David Gowen 2005-5-24 389 Contra Costa Mt. Diablo. Near summit of knoll west of Mt. Zion. Comment
  UCD105401  Epilobium brachycarpum Peter Rubtzoff 1954-9-14 1748 Contra Costa Lower San Joaquin River, E of Antioch. Comment
  UC84481  Epilobium campestre T. S. Brandegee 1892-6-8 Contra Costa Antioch Comment
  UC1949052  Epilobium campestre Barbara Ertter with Brad Olson 1991-9-28 10833 Contra Costa San Pablo Resrvoir between Orinda and El Sobrante 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
  CDA22547  Epilobium canum D. G. Kelch, Mike Park 2008-9-1 8 .296 Contra Costa Carquinez Strait; North of Waterbird Park along RR tracks. E of Martinez. Comment
  POM32526  Epilobium canum subsp. canum A. D. E. Elmer 1903-07 4620 Contra Costa Mount Diablo Comment
  CAS-BOT-BC166167  Epilobium canum subsp. canum N. Floy Bracelin 1941-8-17 1567 Contra Costa In Berkeley Hills Comment
  CDA38070  Epilobium ciliatum D. G. Kelch 2003-8-13 3 .142 Contra Costa Carquinez Strait; Pinole Creek. Comment
  CDA38079  Epilobium ciliatum D. G. Kelch 2003-8-13 3 .142 Contra Costa Carquinez Strait; Pinole Creek. Comment
  JEPS111564  Epilobium ciliatum subsp. ciliatum A. G. Murdock 2004-5-28 295 Contra Costa Refugio Valley 120 Comment
  UC615553  Epilobium densiflorum Beryl O. Schreiber 1933-10-5 936 Contra Costa road to Mount Diablo; marshy ground Comment
  UC692456  Epilobium minutum Mary L. Bowerman 1933-6-3 2244 Contra Costa Meridian Peak summit Mount Diablo Comment
  CDA15272  Epilobium pygmaeum G. F. Hrusa, D. Crowe, R. York 1998-7-17 14709 Contra Costa Sacramento Delta; E end of Dow Chemical property, Antioch. Comment
  UC4498  Epipactis gigantea F. T. Bioletti 1894-5-13 Contra Costa Mt. Diablo Comment
  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
  CAS-BOT-BC57103  Equisetum X ferrissii W. Knight; I. Knight 1977-5-22 s.n. Contra Costa Antioch Dunes Comment
  CAS-BOT-BC57764  Equisetum telmateia Mary L. Bowerman 1939-3-31 3737 Contra Costa Mount Diablo, Johny Walker Spring. 731 Comment
  POM300619  Equisetum telmateia var. braunii Mary L. Bowerman 1930-8-24 433 Contra Costa MItchell Canyon. 252 Comment
  CAS-BOT-BC204547  Eragrostis curvula John Thomas Howell 1954-9-5 30026 Contra Costa Marsh Creek Springs Park Comment
  UCD63814  Eragrostis mexicana subsp. virescens Beecher Crampton 1965-9-29 7531 Contra Costa 1 mile south of Oakley, Cypress Road and O' Hara Ave. Comment
  CAS-BOT-BC514609  Eriastrum pluriflorum subsp. pluriflorum T. S. Brandegee 1883-6-1 s.n. Contra Costa Antioch 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
  UC61518  Ericameria arborescens A. B. Simonds Contra Costa Comment
  CAS-BOT-BC287534  Ericameria linearifolia L. R. Abrams 1921-5-25 8006 Contra Costa Mt Diablo, middle altitudes Comment
  CAS-BOT-BC287533  Ericameria linearifolia Rattan 1886-6-14 s.n. Contra Costa W slope of Mt Diablo 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-BC295718  Erigeron petrophilus var. petrophilus John Thomas Howell 1923-11-12 249 Contra Costa Mt. Diablo Comment
  UC87849  Erigeron philadelphicus var. philadelphicus T. S. Brandegee 1892-5-1 Contra Costa Antioch Comment
  UC1779709  Eriobotrya japonica Rudolf Schmid 1997-5-21 1997 -11 Contra Costa Hillside Natural Area, El Cerrito; some distance NW of King Ct. entrance, near W side of road, in drainage gully north of the Salix-Corylus grove. 126 Comment
  CDA28802  Eriodictyon californicum D. G. Kelch, Suzanne Latham, Matt Beyers 2009-6-3 9 .329 Contra Costa East Bay.; El Sobrante Ridge at end of Silver Belt Dr. on Miocene chert outcrop. Comment
  RSA401488C  Eriodictyon californicum Cora Mae Life 1923-7-4 95 Contra Costa Mt Diablo. Comment
  POM210641  Eriogonum Joseph A. Ewan 1933-10-15 8022 Contra Costa SW slope of Mt. Diablo. Comment
  POM165547  Eriogonum angulosum H. M. Hall 1916-8-17 10276 Contra Costa Deer Valley 183 Comment
  UC1795829  Eriogonum gracile Barbara Ertter, Mary L. Bowerman 1994-6-19 12847 a Contra Costa Mt. Diablo State Park east of Walnut Creek; lower Summit Parking Lot, roadside. Comment
  UC1980601  Eriogonum gracile James L. Reveal 1974-8-6 3772 Contra Costa Summit of Mt. Diablo, near lower parking lot west of summit. Comment
  UC2027963  Eriogonum gracile Barbara Ertter 1997-8-24 15772 Contra Costa Mount Diablo, near first corner on Summit Road below Toyon Campground. Comment
  UC6565  Eriogonum gracile var. gracile Edw. L. Greene 1892-6-20 Contra Costa Mount Diablo Comment
  UC692048  Eriogonum gracile var. gracile Mary L. Bowerman 1931-9-12 1038 Contra Costa spur jutting into west fork of Mitchell Canyon Mount Diablo, Mitchell Canyon 838 Comment
  CAS-BOT-BC259523  Eriogonum luteolum var. luteolum H. L. Mason 1929-9-21 5434 Contra Costa Along Marsh Creek Road three miles above Clayton 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-BC268906  Eriogonum nudum var. auriculatum Mary L. Bowerman 1932-9-17 1578 Contra Costa Mount Diablo. Donner Canyon, west branch. (Below fork of west branch.) Comment
  CAS-BOT-BC268917  Eriogonum nudum var. auriculatum A. D. E. Elmer 1903-7-1 4546 Contra Costa Mount Diablo Comment
  JEPS107089  Eriogonum nudum var. auriculatum Barbara Ertter, Diane Lake, Chris Thayer, Bruce Baeyert 1996-5-16 14675 Contra Costa Point Molate Naval Fuel Depot north of San Rafael bridge, edge of San Francisco Bay; grassland/scrub at northeast corner of area. Comment
  UC692045  Eriogonum nudum var. auriculatum Mary L. Bowerman 1930-8-24 424 Contra Costa Mitchell Canyon, lower trail Mount Diablo Comment
  UC692164  Eriogonum nudum var. auriculatum Mary L. Bowerman 1931-10-13 1060 Contra Costa east fork Alamo Canyon; Mount Diablo Comment
  UC692197  Eriogonum nudum var. auriculatum Mary L. Bowerman 1932-9-17 1578 Contra Costa Donner Canyon, w branch below fork Mount Diablo Comment
  POM300598  Eriogonum nudum var. auriculatum Mary L. Bowerman 1932-9-17 1585 Contra Costa Mount Diablo: Donner Canyon, west fork of west fork 335 Comment
  SEINET10733565 Image available Eriogonum nudum var. psychicola Barbara J. Ertter 1997-8-18 Ertter 15766 Contra Costa Antioch Dunes (USFWS National Wildlife Refuge) on San Joaquin River east of Antioch, southwest corner of refuge north of railroad tracks in former vineyard, fine pale brown sand. Comment
  JEPS105714  Eriogonum roseum David Gowen 2004-8-26 156 Contra Costa Black Diamond Mines Regional Preserve; 3/8 mi from parking area on Frederickson Lane, on Old Homestead Loop, just SW of its junction with the Homestead Trail Comment
  RSA39904  Eriogonum roseum P. A. Munz 1947-10-8 12207 Contra Costa Antioch 8 Comment
  CAS-BOT-BC267443  Eriogonum truncatum Mary L. Bowerman 1933-5-25 2198 Contra Costa Mount Diablo. Alamo Canyon: above Wilsons' barn Comment
  CAS-BOT-BC267444  Eriogonum truncatum Mary L. Bowerman 1933-5-25 2198 Contra Costa Mount Diablo. Alamo Canyon: above Wilsons' barn Comment
  POM89812  Eriogonum truncatum M. K. Curran 1886-05 s.n. Contra Costa Antioch Comment
  UC85395  Eriogonum truncatum C. F. Baker 1903-4-28 2833 Contra Costa Marsh Creek Mt. Diablo, Marsh Creek Comment
  UCR139461  Eriogonum truncatum J. T. Howell 1934-4-8 11816 Contra Costa San Francisco Bay Region, [Black Hills] 10 mi from Clayton [SE] on Marsh Creek Road 366 Comment
  CAS-BOT-BC267872  Eriogonum umbellatum var. bahiiforme A. D. E. Elmer 1903-7-1 4547 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-BC262351  Eriogonum vimineum Alice Eastwood 1915-5-30 s.n. Contra Costa Mt. Diablo Comment
  CAS-BOT-BC298506  Eriophyllum confertiflorum L. Constance 1933-6-25 E 95 Contra Costa About halfway to the summit of Mount Diablo Comment
  JEPS99951  Eriophyllum confertiflorum var. confertiflorum G. Smick 2003-5-13 GAS 187 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UCD132123  Eriophyllum jepsonii John Thomas Howell 1950-7-5 26636 Contra Costa above Nortonville. Comment
  CAS-BOT-BC300983  Eriophyllum lanatum var. achilleoides E. E. Stanford 1930-5-24 1513 Contra Costa Marsh Creek Canyon Comment
  UC507132  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-6-25 E 100 Contra Costa north slope near summit Mount Diablo 1097 Comment
  UC507133  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-6-25 E 101 Contra Costa just below summit on south slope Mount Diablo 1158 Comment
  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-BC300966  Eriophyllum lanatum var. achilleoides L. Constance 1933-6-25 E 94 Contra Costa Near the base of Mount Diablo Comment
  CAS-BOT-BC300977  Eriophyllum lanatum var. achilleoides Mary L. Bowerman 1933-5-22 2163 Contra Costa Mount Diablo. Cave Point ridge Comment
  LA203600  Eriophyllum lanatum var. achilleoides Lincoln Constance; 1933-6-25 E 94 Contra Costa Mount Diablo, near the southeastern base Comment
  RSA97649  Eriophyllum lanatum var. achilleoides J. T. Howell 1950-7-5 26636 Contra Costa Brushy slope above Nortonville Comment
  UC1252143  Eriophyllum staechadifolium Dr. Jerry Powell 1964-6-7 412 Contra Costa nw Richmond; Point Molate Comment
  HSC8469  Erodium botrys Greg Bos 1963-3-15 40 Contra Costa Albany Hill, Albany 9 Comment
  JEPS100095  Erodium cicutarium G. Smick 2003-4-1 GAS 105 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UCSB12514  Erodium cicutarium Grah, Nancy 1962-4-14 Contra Costa 0.6 mile north of Tarry Lane on Tappan Lane; Orinda 243 Comment
  JEPS105747  Erodium macrophyllum Barbara Ertter with David Gowen, Mike Park, Wilde Legard 2004-4-13 18346 Contra Costa Black Diamond Mines Regional Preserve, WSW-facing slope above water tank E of River View Loop Trail, over saddle E of park headquarters at Sidney Flat 182 Comment
  UC1130310  Erodium macrophyllum C. M. Belshaw 1936-5-15 2126 Contra Costa 1.75 mi ne Somerville; Mt. Diablo Quad. 152 Comment
  UC17073  Erodium macrophyllum State Survey 1862-5-10 1067 Contra Costa Kirker Pass Comment
  UC2032835  Erodium moschatum Doran, Andrew Scott 2012-3-20 705 Contra Costa Second highest point on Brooks Island, rocky outcrop overlooking man-made spit. Comment
  UC1191950  Eryngium aristulatum var. aristulatum Peter Kamb, Francia Chisaki, and S. Galen Smith 1951-4-14 1954 Contra Costa 7 mi. n. Walnut Creek (e. of Hwy. 21, 0.2 mi. s. intersection w/ Hwy. 4) Comment
  POM133545  Eryngium aristulatum var. aristulatum Katherine Brandegee 1907-5-16 s.n. Contra Costa [Unspecified] Comment
  UC1606293  Eryngium articulatum Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10710 Contra Costa n. Pittsburg (Browns Isl., near confluence of Sacramento & San Joaquin rivers, opposite Pittsburg Marina, at water's edge (Botany Cove)); Browns Isl. Comment
  UC691872  Eryngium castrense Mary L. Bowerman 1931-6-16 926 Contra Costa by old <Govornment> Trail Chase Pond; Mt. Diablo, Chase Pond 563 Comment
  UC692318  Eryngium castrense Mary L. Bowerman 1935-6-28 3169 Contra Costa Mt. Diablo, Chase Pond 548 Comment
  UC1481544  Eryngium vaseyi Neil Havlik 1980-4-20 907 Contra Costa 5 mi. s. Byron (along Bruns Rd., straddling Alameda-Contra Costa Co. line) Comment
  CAS-BOT-BC40770  Erysimum capitatum Volney Rattan 1879-1-1 s.n. Contra Costa Antioch. Comment
  SJSU1509  Erysimum capitatum D. J. Thompson 1954-5-2 Contra Costa between Pinole & Pittsburg Comment
  UC691082  Erysimum capitatum Mary L. Bowerman 1931-3-7 551 Contra Costa Indian Ceremonial Springs Mount Diablo Comment
  NY32657  Erysimum capitatum subsp. angustatum A. A. Heller 1908-4-16 8898 Contra Costa Sand hills east of Antioch. 22.9 Comment
  RSA0008587  Erysimum capitatum var. angustatum Alice Eastwood, J. T. Howell 1936-4-19 s.n. Contra Costa Antioch Comment
  UC1034753  Erysimum capitatum var. capitatum G. B. Rossbach 1955-3-13 570 Contra Costa dunes along tidal estuary of river just e Antioch; San Joaquin R Comment
  UC10532  Erysimum capitatum var. capitatum J. Burtt Davy 1895-4-7 876 Contra Costa Antioch Comment
  UC10536  Erysimum capitatum var. capitatum J. Burtt Davy and E. L. Greene 1895-4-7 996 Contra Costa Antioch Comment
  UC534852  Erysimum capitatum var. capitatum H. L. Mason 1933-4-9 7189 Contra Costa sand hills along river e Antioch; San Joaquin River 12 Comment
  SJSU5799  Eschscholzia caespitosa C. O. Dudley 1966-3-30 Contra Costa Briones Hills 10 mi SW of Martinez 182 Comment
  CAS-BOT-BC402987  Eschscholzia californica James McMurphy 1909-5-21 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC402991  Eschscholzia californica Philip A. Munz 1947-10-8 12190 Contra Costa Antioch 12 Comment
  PASA450  Eschscholzia californica Annetta Carter 1929-3-31 Contra Costa Near Clayton. Hills north of Mt. Diablo Comment
  UC2028162  Eucalyptus sideroxylon Barbara Ertter with Laura Fujii 1999-3-7 16483 Contra Costa Wildcat Canyon Regional Park in East Bay Hills, near Alvarado Staging area at NW end of park, along hiking road. Comment
  UC1789215  Eucalyptus tereticornis Barbara Ertter with Dan Norris 2001-4-8 17604 Contra Costa Lime Ridge Open Space, main pit of west quarry area north of adjacent golf course 121 Comment
  JEPS111510  Eucrypta chrysanthemifolia var. chrysanthemifolia Dean G. Kelch and Andrew G. Murdock 2005-5-13 05 .273 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 22 Comment
  UC691714  Eucrypta chrysanthemifolia var. chrysanthemifolia Mary L. Bowerman 1931-4-4 652 Contra Costa 4.5 mi from Mount Diablo, West road (=North road) entrance; Mount Diablo 396 Comment
  UC692712  Euphorbia crenulata Mary L. Bowerman 1935-3-16 2742 Contra Costa e fork Arroyo del Cerro; Mount Diablo 289 Comment
  CDA18018  Euphorbia oblongata R. Fonseca 1999-5-27 PDR 1219265 Contra Costa Along Franklin Canyon Rd, Martinez. 0 Comment
  UC2028283  Euphorbia oblongata Barbara Ertter 1998-6-20 16245 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, roadside near Old Borges Ranch. Comment
  UCR247571  Euphorbia oblongata Deviney 2008-4-18 s.n. Contra Costa Pacheco, Waterbird Way and Hwy 680 Comment
  CDA18802  Euphorbia oblongata B. Case 2000-4-2 PDR 031733 Contra Costa San Pablo. 0 Comment
  CDA4844  Euphorbia oblongata T. C. Fuller 1961-7-6 6585 Contra Costa Carquinez Strait; Alhambra Valley, Highway 4, 0.5 mile west of Glen Frazier Station, ca. 4 miles west of Martinez. 0 Comment
  UCD142410  Euphorbia oblongata Thomas C. Fuller 1958-7-30 s.n. Contra Costa State Highway 4; 3 miles west of Martinez. Comment
  CAS-BOT-BC202390  Euphorbia ocellata Mary L. Bowerman 1931-8-29 1033 Contra Costa Mount Diablo. North Road 487 Comment
  UC1999853  Eurybia radulina J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-16 9340 Contra Costa Charles Tilden Reg. Park; Vollmer Peak. Comment
  CAS-BOT-BC278317  Festuca californica subsp. californica Mary L. Bowerman 1931-5-2 788 Contra Costa Mount Diablo. North end of Eagle Point ridge Comment
  CDA28215  Festuca rubra D. G. Kelch, Andrew G. Murdock 2004-4-11 4 .064 Contra Costa Carquinez Strait; Meadow above Carquinez Scenic Drive between Crockett and Bull Valley Staging Area. Comment
  SEINET3562429 Image available Forestiera neomexicana Lewis S. Rose 1932-5-26 32117 Contra Costa Nortonville. Comment
  JEPS42936  Forestiera pubescens Mary L. Bowerman 1936-6-20 3414 Contra Costa ridge w Mt. Zion (on w side of ridge); Mount Diablo 198 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
  RSA244714  Frankenia salina J. T. Howell, G. H. True 1972-6-29 48919 Contra Costa On Byron Hot Springs Road SE of Byron. Comment
  RSA518721  Frankenia salina Barbara Ertter, E. Neese 1988-10-15 7977 Contra Costa West of I-580 in El Cerrito, west side along Rydin Road north of Central Avenue. Comment
  RSA739727  Frankenia salina John Dittes 2006-10-26 1413 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
  JEPS61883  Fritillaria agrestis Miss Linda Gehringer 1915-3-27 Contra Costa east side of Mount Diablo Mount Diablo Comment
  UCD84953  Fritillaria agrestis Chuck Hughes 2010-4-1 225 Contra Costa About 0.6 mile east of Los Vaqueros Road. 305 Comment
  JEPS111523  Fumaria capreolata D. G. Kelch 2005-5-5 05 .208 Contra Costa Point Pinole - Giant Marsh Giant Salt Marsh 3 Comment
  UCD121557  Galium andrewsii P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  JEPS124467  Galium andrewsii subsp. gatense Daniel Slakey with CNPS Volunteers 2015-7-6 140 Contra Costa Mt. Diablo, along Oak Knoll Trail about 700 meters east of Summit Rd. Comment
  JEPS7032  Galium andrewsii subsp. gatense Mary L. Bowerman 1930-6-7 283 Contra Costa Meridian Peak summit Mount Diablo Comment
  UC691532  Galium andrewsii subsp. gatense Mary L. Bowerman 1930-6-7 283 Contra Costa summit Mount Diablo Comment
  JEPS111526  Galium aparine D. G. Kelch 2005-5-5 05 .211 Contra Costa Point Pinole - Giant Marsh Giant Salt Marsh 3 Comment
  UC2028299  Galium californicum subsp. californicum Barbara Ertter with Susan D'Alcamo 1998-6-12 16202 Contra Costa Along Curry Canyon Road on south side of Mount Diablo, halfway between Knobcone Point Road and Sheepherder Springs Trail. Comment
  JEPS23262  Galium divaricatum G. Thomas Robbins 1959-5-23 4031 Contra Costa hillslope about one-half mi e Point San Pablo (overlooking San Pablo Bay); Richmond 7 Comment
  JEPS112108  Galium murale D. G. Kelch 2004-3-12 04 .36 Contra Costa Pinole Valley Hillside and canyon above Wright Road. Off of Pinole Valley Road 220 Comment
  JEPS112103  Galium parisiense D. G. Kelch 2003-3-21 03 .66 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
  UC691533  Galium porrigens Mary L. Bowerman 1935-5-16 2982 Contra Costa flat at end of road Mount Diablo, Russelman Park 381 Comment
  UC634816  Garrya elliptica H. L. Mason 1925-9-12 2223 Contra Costa head of San Leandro Creek Canyon; Oakland Hills Comment
  CAS-BOT-BC200625  Garrya elliptica W. W. Carruth 1902-2-1 s.n. Contra Costa East Oakland Hills Comment
  CAS-BOT-BC200629  Garrya elliptica Mary L. Bowerman 1933-3-11 1747 Contra Costa Fossil Ridge, knoll south of 1778 Comment
  CAS-BOT-BC178550  Garrya flavescens H. E. McMinn 1922-6-13 230 Contra Costa Unspecified Comment
  CAS-BOT-BC169943  Garrya fremontii H. E. McMinn 170 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC169944  Garrya fremontii Lewis S. Rose 1954-6-29 54084 Contra Costa Mt. Diablo, summit 1170 Comment
  SEINET3558664 Image available Garrya fremontii Lewis S. Rose 1934-2-28 34041 Contra Costa Summit Mount Diablo. Comment
  POM300683  Gastridium phleoides Mary L. Bowerman 1931-5-2 798 a Contra Costa Foot of Eagle Point ridge. Mount Diablo. Comment
  JEPS125933  Gazania linearis D. W. Taylor 2001-3-21 17615 Contra Costa Blackhawk subdivision; growing near base of PG&E transmission tower 16/64 Comment
  UC1607581  Genista monspessulana Barbara Ertter 1991-5-12 9816 Contra Costa sw corner El Cerrito (Point Isabel Regional Shoreline, on San Francisco Bay); San Francisco Bay Comment
  HSC8643  Geranium carolinianum Greg Bos 1963-3-9 31 Contra Costa Point Isabel, Richmond 3 Comment
  CHSC24900  Geranium dissectum T. S. Byler 1976-4-17 14 Contra Costa Ca 200 yds n of Lafayette Reservoir, ca 50 yds e of entrance road. 152 Comment
  UC1301211  Geranium dissectum Helen K. Sharsmith 1962-4-18 4950 Contra Costa vicinity Martinez (near McEwen Road); San Francisco Bay Region, Martinez 106 Comment
  UCD103337  Geranium dissectum Morris Halperin 1929-4-21 s.n. Contra Costa Moraga Valley. Comment
  CDA29060  Geranium molle D. G. Kelch 2006-5-7 6 .154 Contra Costa Carquinez Strait.; Crockett. Upper Edward s Canyon. Comment
  JEPS111974  Geranium molle D. G. Kelch 2004-4-25 04 .117 Contra Costa Martinez - West: Ozol Rock and Scenic Drive Hill Southwest of large cottonwood. West of Martinez at gated end of Scenic Dr 50 Comment
  RSA0029465  Geranium purpureum Barbara Ertter 2000-5-14 17012 Contra Costa Mount Diablo Regional Park, Falls Trail at Donner Creek crossing. 488 Comment
  SBBG122899  Geranium rotundifolium B. Ertter 1996-6-4 14684 Contra Costa NE of jct of Grizzly Peak Blvd and Golf Course Drive, Tilden Regional Park Comment
  HSC98492  Geranium rotundifolium Barbara Ertter 1996-6-4 14684 Contra Costa Tilden Regional Park in hills E of Berkeley, restoration site NE of junction of Grizzly Peak Blvd. and Golf Course Dr. Comment
  UCD103510  Geranium rotundifolium Barbara Ertter 1996-6-4 14684 Contra Costa Tilden Regional Park in hills east of Berkeley, restoration site northeast of junction of Grizzly Peak Boulevard and Golf Course Drive. Comment
  UCD164885  Gilia achilleifolia Henry House 1995-4-30 1995- 10 Contra Costa About 1.2 km west of Walnut Blvd., ca. 0.5 km south of Marsh Creek Rd. 60 Comment
  UC908901  Gilia achilleifolia subsp. achilleifolia Herbert L. Mason 1938-5-3 11753 Contra Costa trail between Juniper Camp and Deer Flat (Mount Diablo); , trail bet Juniper Camp and Deer Flat 990 Comment
  JEPS108360  Gilia achilleifolia subsp. achilleifolia David Gowen 2005-4-11 230 Contra Costa Mt. Diablo State Park. Below Devils Elbow in the upper part of Rhine Canyon drainage. Comment
  JEPS69435  Gilia achilleifolia subsp. multicaulis Mary L. Bowerman 1935-4-17 2839 Contra Costa West Road 2 mi from entrance Mount Diablo; , West Road Comment
  UC909027  Gilia achilleifolia subsp. multicaulis Herbert L. Mason 1934-3-31 8053 Contra Costa 11 mi s Marsh Creek Road (on road from Marsh Creek to Livermore); 11 mi s Marsh Creek Road, rd from Marsh Creek to Livermore 609 Comment
  RSA470088  Gilia achilleifolia subsp. multicaulis L. S. Rose 1941-5-15 41231 Contra Costa Mt. Diablo, w. slope. 396 Comment
  UC1795760  Gilia achilleifolia subsp. multicaulis Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14226 Contra Costa Mt. Diablo southeast of Walnut Creek, serpentine knoll ca 1/2 airmile north of Curry Point, grassland, oaks around knoll. . 487 Comment
  POM65956  Gilia capitata subsp. staminea Edward L. Greene 1903-4-25 2805 Contra Costa Antioch. Comment
  RSA83089  Gilia capitata subsp. staminea Verne Grant, Alva Grant 1947-4-13 7925 Contra Costa By railroad tracks east of Antioch. Comment
  JEPS99990  Gilia clivorum G. Smick 2003-3-25 GAS 89 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC691676  Gilia clivorum Mary L. Bowerman 1935-4-26 2920 Contra Costa Summit Mount Diablo Mount Diablo, summit 1158 Comment
  RSA63910  Gilia clivorum Verne Grant, Alva Grant 1948-5-21 8536 Contra Costa Game reserve on east slope of Grizzly Peak. Comment
  UC2027812  Gilia clivorum Barbara Ertter with Stu Garrett 1997-3-29 15541 Contra Costa West side Mount Diablo, Mothers Trail. Comment
  RSA489707A  Gilia tricolor H. de Forest 1930-3-28 s.n. Contra Costa Mt. Diablo. Comment
  SEINET3696190 Image available Gilia tricolor Lewis S. Rose 1932-3-15 3283 Contra Costa Byron. Comment
  UC335961  Gilia tricolor subsp. tricolor J. G. Lemmon 1878-4-26 Contra Costa side of Mt. Diablo Comment
  CAS-BOT-BC266488  Githopsis diffusa R. Bacigalupi 1927-5-13 1569 Contra Costa Along Danville - Mount Diablo Road near Garden of the Jungle Gods 518 Comment
  JEPS33662  Githopsis diffusa subsp. robusta Wayne Roderick 1963-5-30 Contra Costa 2.7 mi e Morgan Territory road (or 0.3 mi e of Marsh Creek Stables, on Marsh Creek Rd) Comment
  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
  JEPS43109  Glaux maritima J. B. Davy 1900-6-7 6665 Contra Costa Suisun Bay, Martinez Martinez; Suisun Bay, Martinez Comment
  UC1738825  Glyceria occidentalis Dean W. Taylor 1990-4-10 10675 Contra Costa Byron Hot Springs Road, 1 mile S of Holey Road 24 Comment
  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
  CDA6000  Gnaphalium canescens subsp. beneolens D. G. Kelch, A. G. Murdock 2004-7-16 4 .318 Contra Costa Carquinez Strait Region; Martinez-South: Pine Street entrance to Route 4 heading west. Comment
  CAS-BOT-BC303891  Gnaphalium palustre Mary L. Bowerman 1935-6-28 3168 Contra Costa Mt Diablo. Chase Pond. S of summit, by Old Government Trail: dry upper margins of pond 548 Comment
  CDA34248  Grindelia camporum D. G. Kelch 2009-5-24 9 .303 Contra Costa Carquinez Strait; S of Ozol, W/SW of Martinez. Comment
  OBI16393  Grindelia camporum Robert F. Hoover 1969-9-1 11569 Contra Costa Between San Pablo and Pinole Comment
  RSA93033  Grindelia camporum F. W. Peirson 1923-7-1 3886 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC305232  Grindelia hirsutula Walter Knight 1978-8-27 3144 Contra Costa Contra Loma Regional Park 30 Comment
  JEPS111758  Grindelia hirsutula D. G. Kelch 2005-5-13 05 .243 Contra Costa Martinez. South of oil refinery along Railroad tracks in fragment of habitat 28 Comment
  JEPS46451  Grindelia hirsutula G. Thomas Robbins 1958-10-2 3941 Contra Costa borders of tidal slough along Southern Pacific R.R. just w Carlson Blvd. (near Stege railroad siding); Richmond Comment
  JEPS89200  Grindelia hirsutula G. Thomas Robbins 1958-10-2 3941 Contra Costa borders of tidal slough along Southern Pacific R.R. just w Carlson Blvd. (near Stege railroad siding); Richmond Comment
  JEPS96224  Grindelia hirsutula Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10716 Contra Costa n Pittsburg (near confluence of Sacramento and San Joaquin rivers, w-most point opposite Pittsburg marina); Browns Island Comment
  UC691868  Grindelia hirsutula Mary L. Bowerman 1930-6-18 347 Contra Costa Dan Cook Canyon Mount Diablo, Dan Cook Canyon Comment
  UCD150902  Grindelia hirsutula James A. Neilson Jr. 1972-10-21 3603 Contra Costa Walnut Creek drainage, near mouth of Walnut Creek. Elevation estimated using Google Earth by label maker. 0 Comment
  CAS-BOT-BC305240  Grindelia hirsutula John Thomas Howell 1929-9-21 4387 Contra Costa 4 miles west of Clayton Comment
  CAS-BOT-BC305241  Grindelia hirsutula John Thomas Howell 1929-9-21 4396 Contra Costa Marsh Creek Road 3.5 miles sw. of Brentwood Comment
  RSA144688  Grindelia stricta var. angustifolia G. Thomas Robbins 1958-10-2 3941 Contra Costa Along Southern Pacific Railroad just W of Carlson Blvd., near Stege railroad siding, Richmond. Comment
  JEPS68953  Guillenia lasiophylla Edward Lee 1935-3-10 1283 Contra Costa Donovan Road, w watershed of Kirker Creek Kirker Pass, Kirker Creek Comment
  UC10956  Guillenia lasiophylla Alice Eastwood 1893-5-5 Contra Costa Brentwood Comment
  UC691110  Guillenia lasiophylla Mary L. Bowerman 1932-3-23 1131 Contra Costa ridge e Donner Canyon; Mount Diablo 274 Comment
  POM273845  Guillenia lasiophylla Lyman Benson 1935-3-16 6284 Contra Costa 3 miles S of Antioch. Mt. Range: Mt. Diablo; Watershed: Sacramento River. 152 Comment
  RSA430115  Guillenia lasiophylla Dr H. de Forest 1930-4-6 s.n. Contra Costa [No locality information provided] Comment
  UC1118612  Gutierrezia californica G. T. Nordstrom 1937-10-28 1406 Contra Costa 1.6 mi nne Somersville; Mt. Diablo Quad. 182 Comment
  UC2070544  Gypsophila elegans Barbara Ertter with David Gowen, J. Ginochio, M. Park, S. Matson, A. Moore, S. D'Alcamo, J. Greenhouse, K. Kersh and J. Gawthrup 2005-5-8 18562 Contra Costa Moses Rock Ridge on west side of Mount Diablo; Deer Flat Road a short distance south of junction with Burma Road. Comment
  UC1795862  Hedera helix Barbara Ertter 1994-10-23 13915 Contra Costa Southwest El Cerrito, north edge Breuner's parking lot, northwest of Albany Hill. Comment
  UC1795793  Hedypnois rhagadioloides Barbara Ertter, Mary Bowerman 1995-6-11 14249 Contra Costa Shell Ridge Recreation Area southeast of Walnut Creek, at west base Mt. Diablo.; annual grassland near Indian Valley School entrance, clay soil (planted Clarkia also present). 91 Comment
  CAS-BOT-BC306373  Helenium bigelovii Walter Knight; Joanne Dean 1978-8-14 3181 Contra Costa Browns Island Comment
  CAS-BOT-BC309406  Helenium puberulum Malcom A. Nobs; S. Galen Smith 1949-7-8 949 Contra Costa Otto's Black Bass Resort, 4 miles north of Kingston Comment
  UC469039  Helenium puberulum Tracy J. Storer 1912-7-12 Contra Costa n mi sw Walnut Creek 60 Comment
  JEPS86722  Helianthella castanea James A. Martin 1991-5-21 Contra Costa 800 ft se Castro Ranch (ca 1 mi n of nw end of San Pablo Dam) 182 Comment
  UC194921  Helianthella castanea H. M. Hall 1916-5-31 10137 Contra Costa n slope of summit Mt. Diablo 1158 Comment
  UC88881  Helianthella castanea Alice Eastwood 1897-5-31 Contra Costa Mt. Diablo Comment
  RSA565068  Helianthella castanea D. W. Taylor 1992-5-2 13419 Contra Costa Above Selby Siding (ca 1 mile W of Carquinez Bridge), near BM 378. 107 Comment
  UC2028219  Helianthella castanea Barbara Ertter with Christopher Baysdorfer 1998-5-10 16127 Contra Costa West side Lime Ridge Open Space northwest of Mount Diablo. Comment
  POM300646  Helianthemum scoparium var. scoparium Mary L. Bowerman 1932-4-9 1332 Contra Costa Ridge to Wall Point, from near Rock City Comment
  CAS-BOT-BC305373  Helianthus annuus Walter Knight 1978-8-19 3234 Contra Costa Along Fredericksen Lane. Contra Loma Regional Park Comment
  CDA8364  Helianthus californicus D. G. Kelch 2004-9-2 4 .332 Contra Costa Carquinez Strait; Marsh east of Martinez and I-680 and east of Lone Tree Marsh. Comment
  UC1795662  Helianthus californicus Barbara Ertter, Tom Schweich, Marion Reeves, & other volunteers 1996-5-11 14628 Contra Costa Little Pine Creek at northwest foot of Mt. Diablo, along trail connecting North Gate Road to Castle Rock Road, Diablo Foothills Regional Park; along stream above stable, riparian vegetation. 91 Comment
  UC697185  Helianthus gracilentus Mary L. Bowerman 1932-9-24 1592 Contra Costa knoll w of Twin Peaks; Mount Diablo 457 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
  CDA1154  Heliotropium curassavicum D. G. Kelch 2004-7-9 4 .307 Contra Costa Carquinez Strait region.; Along Carquinez Scenic Drive near turn-off to Port Costa. Comment
  CHSC39256  Heliotropium curassavicum Thomas B. Croat 1966-6-18 1987 Contra Costa Frank's Tract, Bethel Island; 7 miles W of Oakley, Lakeside and marsh. Comment
  UC650558  Heliotropium curassavicum Ira L. Wiggins 1930-4-18 4606 Contra Costa Jersey Isl. Comment
  UC201228  Hemizonia congesta subsp. lutescens H. M. Hall 1916-7-20 Contra Costa Giant 7 Comment
  CAS-BOT-BC306263  Hemizonia congesta subsp. lutescens H. M. Hall 1914-9-13 9877 Contra Costa Easterly shores of San Francisco Bay near San Pablo Comment
  CAS-BOT-BC306264  Hemizonia congesta subsp. lutescens Walter Knight; Irja Knight; Neil Havlik; Jim Silliman 1979-10-7 3434 Contra Costa Point Pinole Regional Shoreline Comment
  CDA7053  Hemizonia congesta subsp. luzulifolia D. G. Kelch 2006-7-14 6 .333 Contra Costa Between Rte 4 and Carbon Rd. E Rodeo. Comment
  UC1536900  Hemizonia congesta subsp. luzulifolia Gordon H. True Jr. 1937-10-12 838 Contra Costa near Pinole 30 Comment
  UC197526  Hemizonia congesta subsp. luzulifolia H. M. Hall 1914-8-23 9859 Contra Costa San Pablo 15 Comment
  UC201237  Hemizonia congesta subsp. luzulifolia H. M. Hall 1916-7-24 10254 Contra Costa Richmond Region of San Francisco Bay Comment
  UC762755  Hemizonia congesta subsp. luzulifolia R. F. Hoover 1939-4-25 4061 Contra Costa Richmond hills Richmond 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
  UC2029028  Hemizonia congesta subsp. luzulifolia Barbara Ertter 2002-5-11 17833 Contra Costa southwest base of Mount Diablo, lower Dan Cook Canyon, Summit Trail paralleling park boundary. Comment
  POM299467  Hemizonia fitchii L. S. Rose 1941-10-13 41464 Contra Costa 1 miles E of Walnut Creek. 50 Comment
  RSA81495  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1909-9-24 s.n. Contra Costa 1 mile N of San Ramon. Comment
  POM215122  Hemizonia parryi subsp. congdonii D. D. Keck 1933-11-2 2610 Contra Costa San Ramon, Crow Creek Canyon road, 0.5 miles from turnoff Comment
  CDA31366  Hemizonia pungens D. G. Kelch 2010-10-29 10 .441 Contra Costa Carquinez Strait; Rankin park just west of Martinez adjacent to parking lot. Comment
  SEINET3387071 Image available Hemizonia virgata Lewis S. Rose 1932-10-2 32654 Contra Costa Marsh creek road. Comment
  JEPS75523  Heracleum lanatum P. F. Yorks 1974-5-19 160 B Contra Costa n. Briones Reservoir (ca. 1.7 km. s. of Bear Creek Rd. on Hampton Rd. in Hampton Road Natural Reserve); Hampton Road Natural Reserve 180 Comment
  UC901876  Heracleum lanatum L. Constance 1950-6-25 3326 Contra Costa s. rim Wildcat Canyon (Tilden Park); , Tilden Park 365 Comment
  SBBG44745  Heracleum maximum Leota Davidson 1966-5-2 417 Contra Costa Hwy 24 near Walnut Crk turn-off Comment
  UC2028417  Heracleum maximum Barbara Ertter with John Ginochio and Mary Bowerman 2001-5-8 17634 Contra Costa Northwest flank of Mount Diablo, headwaters of Arroyo del Cerro between Olofson Ridge and Long Ridge Comment
  RSA755660  Hesperevax sparsiflora Barbara Ertter 1991-5-5 9784 Contra Costa Black Diamond Mines Regional Preserve south of Pittsburg, along spur road from Black Diamond Trail on ridge southeast of Coal Canyon 427 Comment
  CDA8374  Hesperocnide tenella D. G. Kelch, A. G. Murdock 2003-3-18 3 .334 Contra Costa Carquinez Strait; Canada de Cierbo. Comment
Read comments
Oct 13 2009
  UC1818919  Hesperocnide tenella Barbara Ertter, Mary Bowerman et al. 1995-5-7 14054 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, road behind honses traversing north facing slope, mixed forest with much undergrowth. Comment
  RSA135385  Hesperolinon breweri Volney Rattan 1886-06 s.n. Contra Costa Mount Diablo Comment
  UC692702  Hesperolinon breweri Mary L. Bowerman 1930-6-22 356 Contra Costa Mitchell Canyon Mount Diablo Comment
  CAS-BOT-BC167444  Hesperolinon breweri Walter Knight; Irja Knight 1973-5-31 s.n. Contra Costa In the Nortonville coal mine area 341 Comment
  UC697193  Hesperolinon californicum Mary L. Bowerman 1935-6-28 3160 Contra Costa Inner Black Hills just w meridian; Mount Diablo 457 Comment
  UC2028268  Hesperolinon californicum Barbara Ertter 1999-6-12 16709 Contra Costa Black Hawk Ridge Road between Knobcone Point Road and NE fork of Sycamore Creek, South side of Mount Diablo. Comment
  UC35090  Hesperomecon linearis W. C. Blasdale 1893-5-13 Contra Costa Antioch Comment
  CAS-BOT-BC422502  Hesperomecon linearis C. F. Baker 1903-4-25 2802 Contra Costa Antioch Comment
  RSA144610  Hesperomecon linearis W. R. Ernst 1958-3-26 214 Contra Costa Sandhill bluffs facing the water between Antioch and Antioch bridge Comment
  CDA25927  Heteromeles arbutifolia D. G. Kelch, A. G. Murdock 2003-2-7 3 .038 Contra Costa Carquinez Strait Region; Franklin Canyon. Comment
  CAS-BOT-BC143645  Heteromeles arbutifolia Volney Rattan 1888-8-6 s.n. Contra Costa Oakland Creek, Oakland Comment
  UC1584840  Heterotheca grandiflora Jerry Powell 1990-3-9 1574 Contra Costa Antioch National Wildlife Refuge Comment
  UC1619993  Heterotheca sessiliflora subsp. bolanderi Barbara Ertter 1991-5-5 9770 Contra Costa s of Pittsburg (s side of Rose Hill above cemetery, Black Diamond Mines Regional Preserve); Black Diamond Mines Regional Preserve, Rose Hill 365 Comment
  JEPS79319  Heterotheca sessiliflora subsp. echioides Edward Lee with Annetta Carter 1935-8-17 1624 Contra Costa Antioch; sand-dunes 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
  UCD133087  Heterotheca sessiliflora subsp. echioides Ann F. Johnson 1978-7-18 s.n. Contra Costa east of Antioch. Overlooking the south bank of the San Joaquin River. Comment
  CAS-BOT-BC26197  Heterotheca sessiliflora var. bolanderioides J. C. Semple; B. Suripto; T. Ahmed 1990-8-16 9339 Contra Costa Charles Tilden Reg. Park, Vollmer Peak Comment
  SEINET10797453 Image available Heterotheca sessiliflora var. bolanderioides John C. Semple 1993-8-16 Semple 9339 Contra Costa Charles Tilden Reg. Park, Vollmer Peak. Comment
  CAS-BOT-BC310908  Heterotheca villosa Niall McCarten; V. I. Dains 1986-1-1 04311257 81 Contra Costa East Contra Costa County. SW corner of Hwy. 4 & Laurel Road near Oakley Comment
  CAS-BOT-BC424186  Heuchera micrantha var. hartwegii L. R. Abrams 1921-5-25 8056 Contra Costa 4 1.2 mi from summit Mt Diablo Comment
  UC1192275  Hibiscus lasiocarpos Malcolm A. Nobs 1948-9-23 682 Contra Costa 7 mi. s. Kingston (Rock Slough); Rock Slough Comment
  UC691430  Hieracium albiflorum Mary L. Bowerman 1933-6-14 2282 Contra Costa crest Inner Black Hills (Mount Diablo); Mount Diablo Comment
  CAS-BOT-BC325840  Holocarpha heermannii A. D. E. Elmer 1903-7-1 4613 Contra Costa Mount Diablo Comment
  CAS-BOT-BC325832  Holocarpha heermannii John Thomas Howell 1930-9-28 5499 Contra Costa 6.3 miles from Byron on teh Marsh Creek Road Comment
  CAS-BOT-BC325841  Holocarpha heermannii L. R. Abrams 1910-10-8 4337 Contra Costa Green Valley, Mt. Diablo 304 Comment
  POM360677  Holocarpha heermannii Hattie Beuton 1917-09 3287 Contra Costa Mt. Diablo. Comment
  UC2029014  Holocarpha heermannii Barbara Ertter 1999-8-21 16792 Contra Costa Deer Flat Trail south of Murchio Gap, NW side of Mount Diablo. Comment
  UC204053  Holocarpha heermannii A. D. E. Elmer Jul 1903 4613 Contra Costa Comment
  OBI48592  Holocarpha obconica Lewis S. Rose 1932-10-2 32654 Contra Costa Marsh Crk Rd Comment
  CAS-BOT-BC320241  Holocarpha obconica Margi Oard 1988-10-9 s.n. Contra Costa Ca. 2 miles east of junction with Deer Valley Road along north side of Marsh Creek Road Comment
  LA27067  Holocarpha virgata Lewis S. Rose; 1941-10-16 41467 Contra Costa 2 mi. W of Byron 33.0 Comment
  CHSC84517  Holocarpha virgata subsp. virgata John Dittes 2003-6-28 2003 -69 Contra Costa San Joaquin Valley; foothills, ca. 13.3 air-mile north by northeast of Livermore, ca. 3.4 air-miles south by southwest of Brentwood, ca. 1.3 air-miles southeast of Marsh Creek Reservoir Gauging Station. 73 Comment
Read comments
Dec 25 2008
  JEPS99981  Holodiscus discolor A. Langston 2003-6-12 AL 40 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  RSA449754  Holodiscus discolor Thekla Mohr 1917-07 3255 Contra Costa Mount Diablo Comment
  UC12336  Holodiscus discolor Ivar Tidestrom 1895-6-1 Contra Costa Crockett Comment
  UC691147  Holodiscus discolor Mary L. Bowerman 1935-6-15 3130 Contra Costa Mount Diablo, ridge running north from Mitchell-Pine divide Mount Diablo 944 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
  UCD85761  Hordeum jubatum V. P. Osterli 1951-7-1 s.n. Contra Costa Oakley area. Comment
  LA14687  Hordeum jubatum H. S. Yates; 1936-8-11 6075 Contra Costa Baxter Creek 1280 Comment
  UCD85827  Hordeum marinum subsp. gussoneanum Beecher Crampton 1956-5-14 3411 Contra Costa 1 mile east of Pacheco, Buchanan Field. Comment
  CAS-BOT-BC289558  Hordeum marinum subsp. gussoneanum Peter H. Raven; G. Thomas Robbins 1956-4-28 9044 Contra Costa In a low filed jsut east of junction to Martinez along State Highway 4 Comment
  POM300591  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 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
  POM205088  Hordeum murinum subsp. glaucum Jos Burtt Davy 1898-05 1730 Contra Costa Danville Comment
  POM301853  Hordeum murinum subsp. glaucum Mary L. Bowerman 1933-5-8 2003 Contra Costa Fossil Ridge, south face, not far from but out of sight of South Gate 290 Comment
  UC691183  Hordeum murinum subsp. glaucum Mary L. Bowerman 1933-5-25 2188 Contra Costa w end s face Oyster Ridge (Mount Diablo); , w end s face Oyster Ridge 396 Comment
  CAS-BOT-BC284777  Hordeum murinum subsp. glaucum Mary L. Bowerman 1933-4-15 1845 Contra Costa Mount Diablo. Canyon south of Arroyo del Cerro Comment
  CDA29160  Hordeum murinum subsp. leporinum D. G. Kelch 2006-5-7 6 .145 Contra Costa Carquinez Strait.; Crockett. Upper Edward s Canyon. Comment
  RSA123439  Hordeum murinum subsp. leporinum R. W. Lundh 1933-4-17 229 Contra Costa Bolinas Creek 152 Comment
  CAS-BOT-BC6224  Horkelia frondosa Edward Lee Greene 1889-5-1 s.n. Contra Costa Martinez Comment
  CAS-BOT-BC55475  Hornungia procumbens Volney Rattan 1877-4-1 s.n. Contra Costa Antioch. Comment
  UC692603  Hypericum formosum var. scouleri Mary L. Bowerman 1930-6-28 395 Contra Costa Mt. Diablo, Lower Silver Spring Comment
  RSA31351  Hypochaeris glabra Joseph A. Ewan 1936-5-24 9692 Contra Costa W slope Bald Peak, head Wildcat Creek. Comment
  CAS-BOT-BC311409  Hypochaeris radicata R. E. Frenkel 1964-2-22 358 Contra Costa On Giant Road, 0.4 mile north ATSF RR crossing, Richmond 15 Comment
  UC4288  Iris longipetala J. Burtt Davy April, 1897 Contra Costa Point Isabel Comment
  UC4290  Iris longipetala J. Burtt Davy Apr 1897 Contra Costa Point Isabel Comment
  UC2028408  Iris pseudacorus Barbara Ertter with Richard K. Brummitt 1998-5-16 16096 Contra Costa Antioch Marina, edge of brackish marsh Comment
  UC1818909  Isoetes howellii Barbara Ertter, Mary Bowerman et al. 1995-5-7 14032 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, in water of pond west of road in grassy flat. Comment
  CAS-BOT-BC324752  Iva axillaris Evelina Cannon 1896-5-22 s.n. Contra Costa Giant Station Comment
  UC1041107  Iva axillaris subsp. robustior J. W. Congdon 1893-7-29 Contra Costa Martinez Comment
  SEINET11261292  Jaumea carnosa Barbara Ertter, Elizabeth Neese 1988-10-15 7975 Contra Costa Salicornia marsh W of I-580 in El Cerrito, W side along Rydin Road N of Central Avenue.; 0 Comment
  UC1050492  Jovellana violacea N. Floy Bracelin 1942-5-24 1412 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  CHSC93646  Juglans californica var. hindsii Paul Kirk; Joe Callizo 2001-10-8 7 Contra Costa City of Lafayette Community Park, along Grizzly Cr. drainage on W side of Las Trampas Cr., 30 m downstream from culvert under Silverado Dr. 128 Comment
  UC583156  Juglans californica var. hindsii Lewis S. Rose 1936-4-24 36140 Contra Costa 5 mi e Clayton; Marsh Creek 60 Comment
  CAS-BOT-BC102307  Juglans hindsii Mary L. Bowerman 1936-5-6 3412 Contra Costa Mitchell Canyon floor 259 Comment
  CAS-BOT-BC109899  Juncus Walter Knight; Irja Knight 1977-6-27 s.n. Contra Costa Sierra Nevada. Las Trampas Wilderness Park. Mahogany Trail near Little Hills Ranch. Comment
  UC691984  Juncus ambiguus Mary L. Bowerman 1930-6-10 292 Contra Costa Mount Diablo, Mineral Spring Mineral Spring; Mount Diablo, Mineral Spring Comment
  JEPS121014  Juncus balticus D. G. Kelch 2006-7-14 06 .326 Contra Costa Along Marine Vista Ave immediately west of Pacheco Slough. East of Martinez 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
  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
  UC1601775  Juncus occidentalis Jos. Burtt Davy 1897-4-17 Contra Costa Point Isabel Comment
  UC2028532  Juncus occidentalis Barbara Ertter 1998-5-3 16035 Contra Costa Above SW of fork of Pine Creek at southwest base of Mount Diablo. Comment
  JEPS100047  Juncus phaeocephalus var. paniculatus G. Smick 2003-6-6 GAS 211 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC691977  Juncus xiphioides Mary L. Bowerman 1932-10-1 1601 Contra Costa Mitchell Canyon Mount Diablo Comment
  POM203838  Juncus xiphioides J. T. Howell 1934-5-14 11239 Contra Costa St. Mary s College. Comment
  JEPS48340  Juniperus californica W. L. Jepson 2642 Contra Costa head of Mitchell Creek Mt. Diablo (near saddle of divide); , head of Mitchell Creek Comment
  UCR168453  Juniperus californica Joseph A. Ewan 1933-10-15 8038 Contra Costa Coast Range, Mount Diablo, southwest slope 1067 Comment
  SEINET10531634  Juniperus californica Lewis S. Rose 1941-3-22 Rose 41052 Contra Costa Mt. Diablo, west slope. 915 Comment
  UC2029004  Kickxia elatine Barbara Ertter with Michelle Lee et al. 2002-6-29 17965 Contra Costa Lower Curry Creek on east side of Mount Diablo, private property just above Morgan Territory. Comment
  POM300735  Koeleria macrantha Mary L. Bowerman 1933-6-14 2274 Contra Costa Curry Cave Canyon: Ridge between two main forks., at north end of flat at upper end. Mount Diablo. Comment
  UC691222  Koeleria macrantha Mary L. Bowerman 1931-5-2 796 Contra Costa n end of Eagle Point ridge Mount Diablo (in canyon on n face, upper end); , n end of Eagle Point Ridge Comment
  CAS-BOT-BC273611  Koeleria pyramidata Mary L. Bowerman 1933-6-14 2274 Contra Costa Mount Diablo. Curry-Cave canyon: Ridge between two main forks, at north end of flat at upper end Comment
  CAS-BOT-BC499188  Kopsiopsis strobilacea W. W. Carruth no date on label s.n. Contra Costa Moraga Valley Comment
  CAS-BOT-BC340536  Lactuca serriola Walter Knight 1978-10-4 3315 Contra Costa Browns Island Comment
  UCR66430  Lactuca virosa J. T. Howell 1943-8-22 19310 Contra Costa San Francisco Bay Region/Coast Range, near head of San Leandro Creek Canyon 244 Comment
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Jul 7 2009
  RSA40156  Lactuca virosa J. T. Howell 1943-8-22 19310 Contra Costa Near head of San Leandro Creek Canyon. 244 Comment
  UC912601  Lagophylla ramosissima Herbert L. Mason 1929-9-21 5432 a Contra Costa Marsh Creek road 3 mi above Clayton (summit of grade) Comment
  CAS-BOT-BC341478  Lagophylla ramosissima L. R. Abrams 1910-10-8 4337 Contra Costa Glenn Valley, Mt Diablo 304 Comment
  JEPS99988  Lamarckia aurea G. Smick 2003-4-22 GAS 140 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UCD125108  Lamium amplexicaule Terri Williamson 1990-4-15 9 Contra Costa 212 Poshard St. Pleasant Hill. 12 Comment
  JEPS103664  Lastarriaea coriacea David Gowen 2003-7-6 Contra Costa Lime Ridge Open Space, N end 182 Comment
  CAS-BOT-BC337977  Lasthenia californica W. H. Brewer 1862-5-19 1120 Contra Costa North of Kirker's Pass Comment
  JEPS10005  Lasthenia californica subsp. californica W. L. Jepson 1917-4-14 6864 Contra Costa Oakland Hills Comment
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Nov 18 2007
  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
  CAS-BOT-BC353336  Lasthenia fremontii Peter H. Raven; H. L. Mason; R. Ornduff; et al. 1957-4-4 10587 Contra Costa Vernal flats 3.0 miles S of Byron. Comment
  JEPS65187 Image available Lasthenia fremontii L. R. Heckard 1971-4-15 2480 Contra Costa s Byron (at intersection of Holey Rd) Comment
  UC762046  Lasthenia fremontii R. F. Hoover 1937-5-14 2118 Contra Costa Byron Hot Springs Comment
  CAS-BOT-BC353327  Lasthenia fremontii Niall McCarten; V. I. Dains 1986-1-1 107 Contra Costa In grassland, E of Byron Hot Springs Road. Comment
  POM55152  Lasthenia fremontii C. F. Baker 1903-4-27 2867 Contra Costa Byron. Comment
  RSA114067  Lasthenia fremontii H. L. Mason 1952-4-14 14260 Contra Costa 3.5 miles S of Byron Comment
  RSA516575  Lasthenia fremontii R. C. Bacigalupi, G. Thomas Robbins 1956-3-26 5533 Contra Costa About 2.5 miles S of Byron, just S of S.P.R.R. crossing on road to Bethany. Near head of Italian Slough. 6 Comment
  RSA517746  Lasthenia fremontii Donald G. Nelson 1937-3-30 470 Contra Costa Railroad tracks paralleling the highway south of Byron on road to Tracy Comment
  RSA523884  Lasthenia fremontii Barbara Ertter, Jim Jokerst, D. Magney 1989-4-5 8136 Contra Costa West and adjacent to Clifton Court Forebay, 15 air miles SW of Stockton. 0 Comment
  CAS-BOT-BC352927  Lasthenia glaberrima A. D. E. Elmer 1903-5-1 4321 Contra Costa Walnut Creek Comment
  POM301039  Lasthenia glaberrima Mary L. Bowerman 1935-6-21 3153 Contra Costa Mount Diablo: South of Turtle Rock, pool east of main pond Comment
  POM52865  Lasthenia glaberrima A. D. E. Elmer 1903-05 4321 Contra Costa Walnut Creek Comment
  UCD23266  Lasthenia glabrata Ramona Robison 2003-4-17 s.n. Contra Costa The Pantages property is located in Contra Costa County, north of Highway 4, west of Discovery Bay subdivision and Kellogg Creek, and immediately east of the end of Point of Timber Road. It is on the Woodward Island topographic quad. Comment
  CAS-BOT-BC352771  Lasthenia glabrata subsp. glabrata John Thomas Howell 1933-5-14 11240 Contra Costa St. Mary's College Comment
  SBBG122952  Lasthenia glabrata subsp. glabrata B. Ertter, C. Thayer 1993-5-7 11705 Contra Costa ca. 0.5 mi N of Vollmer Peak, East Bay Municpal Utilities District land E of Tilden Park 457 Comment
  CAS-BOT-BC367585  Lasthenia microglossa Alice Eastwood; John Thomas Howell 1936-4-19 2139 Contra Costa Nortonville Comment
  SD5689  Lasthenia microglossa K. Curran May 1884 Contra Costa Antioch. Comment
Read comments
Mar 10 2008
  UC34480  Lasthenia microglossa Chesnut and Drew 1889-4-17 Contra Costa Clayton Comment
  UC2028062  Lasthenia microglossa Barbara Ertter, Tony Morosco 1998-4-12 16012 Contra Costa Mount Olympia on north side of Mount Diablo. Comment
  CAS-BOT-BC366305  Lasthenia minor Ira L. Wiggins 1930-4-17 4556 Contra Costa 1 mi E. of Mountain House, on road to Byron Comment
  JEPS25041  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
  CDA27128  Lathyrus jepsonii subsp. californicus D. G. Kelch 2007-4-29 7 .204 Contra Costa Carquinez Strait; Richmond; Chevy s Hill N. Hilltop Dr. Comment
  RSA0027701  Lathyrus jepsonii subsp. californicus Barbara J. Ertter 2001-5-10 17635 Contra Costa North flank of Mount Diablo, SE of Mitchell Canyon trailhead, on traversing road to Mitchell Rock Trail. 213 Comment
  CAS-BOT-BC205015  Lathyrus jepsonii var. jepsonii Walter Knight; Lawrence R. Heckard; Bert Johnson 1978-9-28 3301 Contra Costa Browns Island. South Landing Comment
  UCD35904  Lathyrus vestitus Beecher Crampton 1966-4-26 7667 Contra Costa ca. 2.5 miles west of Martinez on the road to Crockett. Comment
  JEPS64865  Lathyrus vestitus var. vestitus W. C. Blasdale 1897-5-1 Contra Costa Point Isabel Comment
  JEPS55368  Lathyrus vestitus var. vestitus W. L. Jepson 1891-6-9 13633 Contra Costa e side Berkeley Hills (at the Fish Ranch) Comment
  UC1543175  Layia chrysanthemoides Donald G. Nelson 1937-3-30 475 Contra Costa Railroad tracks, paralleling the highway s Byron (on road to Tracy) Comment
  CAS-BOT-BC323908  Layia chrysanthemoides Brandegee no date on sheet s.n. Contra Costa Antioch Comment
  UC691555  Layia gaillardioides Mary L. Bowerman 1933-4-22 1904 Contra Costa ridge w of upper end of Curry-Cave Point trail; Black Hills Comment
  UC697168  Layia gaillardioides Mary L. Bowerman 1935-4-17 2847 Contra Costa west road, = North Rd., 2 mi from entrance Mount Diablo 335 Comment
  UC990574  Layia glandulosa James I. McMurphy 1910-4-9 Contra Costa Antioch Comment
  POM361662  Layia glandulosa H. de Forest 1930-4-6 s.n. Contra Costa SE of Mortoville, Small 'coal mine' ravine. Comment
  POM53349  Layia glandulosa subsp. glandulosa C. F. Baker 1903-4-27 2939 Contra Costa Antioch Comment
  CAS-BOT-BC327247  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
  JEPS89794  Layia platyglossa Dean William Taylor 1971-3-28 992 Contra Costa on Mount Diablo, Mount Diablo State Park Mount Diablo; Mount Diablo State Park, Mount Diablo 914 Comment
  CAS-BOT-BC274327  Leersia oryzoides Malcom A. Nobs 1948-9-23 681 Contra Costa Rock Slough, 7 miles south of Kingston Comment
  UCD63599  Leersia oryzoides Malcolm A. Nobs 1948-9-23 681 Contra Costa Rock Slough, 7 mi. south of Kingston. Comment
  UC2027751  Lemna minuta Barbara Ertter 1996-11-24 15412 Contra Costa Southwest side of Mount Diablo, streamlet east of Macedo Ranch trailhead. Comment
  JEPS111002  Lepechinia calycina W. L. Jepson Jun 1909 Contra Costa Mt. Diablo Comment
  UCD146720  Lepidium chalepense G. F. Hrusa; D. Crowe 1998-5-8 14374 Contra Costa Sacramento-San Joaquin River Delta. On Dow Chemical property at Pittsburg. Adjacent to shore of San Joaquin River. 2 Comment
  RSA0033849  Lepidium coronopus Barbara Ertter 1999-7-17 16762 Contra Costa Wildcat Canyon Regional Park in East Bay Hills, Rifle Range Road. Comment
  SBBG29865  Lepidium dictyotum A. M. Carter 1935-3-10 753 Contra Costa Kirker Pass Rd, S of jct with Nortonville Rd 121 Comment
  JEPS21344  Lepidium dictyotum var. acutidens J. Burtt Davy May 1898 Contra Costa Danville Mount Diablo Region Comment
  UC545796  Lepidium dictyotum var. acutidens Annetta M. Carter 1935-3-10 753 Contra Costa s of Kirker Pass road junction with Nortonville road (Kirker Pass road) 121 Comment
  RSA788058  Lepidium dictyotum var. acutidens L. S. Rose 1949-3-24 49012 Contra Costa 4 mi south of Byren 8 Comment
  CAS-BOT-BC89054  Lepidium didymum Ira L. Wiggins 1930-4-18 4595 Contra Costa East end of Jersey Island. 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
  CAS-BOT-BC89764  Lepidium latipes Mary L. Bowerman 1933-4-15 1846 Contra Costa Mount Diablo. Canyon south of Arroyo del Cerro. Comment
  JEPS25391  Lepidium latipes Rimo Bacigalupi with G. T. Robbins and Francia Chisaki 1959-4-14 7005 Contra Costa 8 mi s Antioch (just off Deer Valley Road); Briones Valley 79 Comment
  UC691078  Lepidium latipes Mary L. Bowerman 1933-4-15 1846 Contra Costa canyon s Arroyo del Cerro; Mount Diablo Comment
  CAS-BOT-BC89892  Lepidium nitidum Alice Eastwood 1914-3-14 3775 Contra Costa Byron Springs. Comment
  CAS-BOT-BC89895  Lepidium nitidum Lewis S. Rose 1933-3-10 33014 Contra Costa Brentwood. Comment
  RSA8344  Lepidium nitidum L. S. Rose 1933-3-29 33045 Contra Costa Pittsburg Comment
  SEINET12006190  Lepidium oblongum H. M. Hall 1901-1 1741 Contra Costa Mt. Diablo, region of San Francisco Bay Comment
  JEPS73692  Lepidium oxycarpum L. R. Heckard with Wm. Hirano and Ted Niehaus 1968-3-5 1761 Contra Costa about 3 mi se Byron (at junction of Holey Road, along Byron-Bethany road) 7 Comment
  UCD63839  Leptochloa fusca subsp. fascicularis John Thomas Howell 1972-6-29 48944 Contra Costa along Byron Hot Springs Road, southeast of Byron. Comment
  UC2027821  Leptosiphon androsaceus Barbara Ertter with Stu Garrett 1997-3-29 15529 Contra Costa West side Mount Diablo, Burma Road on Long Ridge. Comment
  POM300970  Leptosiphon ciliatus Mary L. Bowerman 1935-5-22 3042 Contra Costa Eagle point ridge, canyon at north end which heads into saddle west of Twin Peaks. 305 Comment
  RSA167170  Leptosiphon liniflorus J. M. Tucker 1963-4-12 3686 Contra Costa On west side of Holey Road, 3 miles southeast of Byron. Comment
  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-BC324112  Lessingia glandulifera var. glandulifera Walter Knight 1965-9-7 1171 Contra Costa Antioch Sand Dunes 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
  JEPS79353  Lessingia pectinata var. tenuipes Edward Lee with Annetta Carter 1935-8-17 1621 Contra Costa Antioch Comment
  RSA39870  Lessingia pectinata var. tenuipes P. A. Munz 1947-10-8 12202 Contra Costa Sand dunes east of Antioch 8 Comment
  CAS-BOT-BC283732  Leymus condensatus A. A. Beetle 1941-6-24 1751 Contra Costa Pt Richmond on San Francisco Bay Comment
  CDA32469  Leymus condensatus A. A. Beetle 1941-6-24 1751 Contra Costa Point Richmond on San Francisco Bay. 0 Comment
  JEPS99987  Leymus triticoides S. O'Neil 2003-7-27 SEO 44 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  RSA108362  Leymus triticoides Frank W. Gould 1941-5-6 1286 Contra Costa 2.3 miles from Walnut Creek on Danville road. Comment
  CAS-BOT-BC272217  Leymus triticoides Walter Knight 1965-9-7 1174 Contra Costa Along San Joaquin River bank, Antioch dunes Comment
  RSA0021082  Leymus triticoides Mary L. Bowerman 1935-6-28 3159 Contra Costa Mount Diablo. Inner Black Hills west of the meridian. 473 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
  UC1101455  Lilaeopsis masonii Herbert L. Mason April, 1954 Contra Costa n. end Antioch Bridge Comment
  JEPS19561  Limnanthes douglasii subsp. rosea Edw. L. Greene 1889-3-23 Contra Costa Byron Comment
  UC971837  Limnanthes douglasii subsp. rosea Annetta Carter 1947-3-25 1782 Contra Costa vernal pool 3.3 mi s Byron 7 Comment
  UCR146313  Limnanthes douglasii subsp. rosea Beecher Crampton 1968-3-27 8238 Contra Costa San Joaquin Valley, SE corner of County, c. 3.5 mi south of Byron 5 Comment
Read comments
Feb 6 2013
  CDA7773  Limnobium laevigatum Dan Darling 2007-12-13 PDR# 1426144 Contra Costa Antioch, Decker Island 0 Comment
  CDA39056  Limonium sinuatum D. G. Kelch 2011-6-12 11 .585-B Contra Costa Carquinez Strait; Above Point Costa. 0 Comment
  UC880306  Linanthus androsaceus Lewis S. Rose 1940-4-30 40253 Contra Costa 8 mi se Clayton; Marsh Creek 30 Comment
  UC2028267  Linanthus androsaceus Barbara Ertter 1999-6-12 16712 Contra Costa Black Hawk Ridge road on south side of Mount Diablo, just south of confluence of NE and E forks of Sycamore Creek. Comment
  JEPS112006  Linanthus bicolor D. G. Kelch 2005-4-15 05 .131 Contra Costa Rodeo Creek East-West canyon feeding into Rodeo Creek 120 Comment
  UC691639  Linanthus bicolor Mary L. Bowerman 1931-3-29 625 Contra Costa n side, 500 ft from top Cave Point; Mount Diablo Comment
  UC205676  Linanthus dichotomus Chesnut and Drew 1889-4-16 Contra Costa Clayton Comment
  UC615173  Linanthus liniflorus Beryl O. Schreiber 1932-3-27 155 Contra Costa Byron Hot Springs Comment
  UC75206  Linanthus liniflorus C. F. Baker 1903-4-27 2864 Contra Costa Byron Comment
  CDA34184  Linum bienne D. G. Kelch 2011-5-28 11 .537 Contra Costa Carquinez Strait Region.; W of Martinez. N of end of Hillside Pl. Comment
  UC1819058  Linum bienne Barbara Ertter, Rich Rabeler 1994-6-6 12818 Contra Costa Point Isabel in south Richmond; black cinders on old railroad bed north of Costco; landfill. Comment
  UC2062654  Linum usitatissimum Barbara Ertter 2004-4-25 18367 Contra Costa Coulter Pine Trail on north side of Mount Diablo State Park. Comment
  JEPS112262  Lithophragma affine A. G. Murdock 2004-4-30 265 Contra Costa Vaca Canyon Comment
  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
  UC402491  Lithophragma affine J. Burtt Davy 1895-4-7 922 Contra Costa foothills, Antioch Comment
  UC570875  Lithophragma affine H. L. Mason 1932-3-20 6843 Contra Costa Antioch Sand Hills Comment
Read comments
Oct 9 2006
  UC692421  Lithophragma affine Mary L. Bowerman 1932-3-27 1135 Contra Costa below Mitchell Rock Comment
  POM142564  Lithophragma affine subsp. affine H. P. Chandler 1901-3-23 867 Contra Costa Martinez. Region of San Francisco Bay. Comment
Read comments
Mar 6 2011
  JEPS105700  Lithophragma bolanderi David Gowen 2004-3-28 21 Contra Costa Black Diamond Mines Regional Preserve. River View Loop trail southeast of the Arata Overlook trail junction. Comment
  UC2028077  Lithophragma heterophyllum Barbara Ertter, Tony Morosco 1998-4-12 15997 Contra Costa Base of Mount Olympia on north side of Mount Diablo, talus above quarry NE of Olympia Trail. Comment
  UC2028178  Lithophragma heterophyllum Barbara Ertter 1998-5-3 16041 a Contra Costa Dusty Road at north end of Wall Point Ridge, southwest flank of Mount Diablo. Comment
  UC1051271  Lobelia tupa N. Floy Bracelin 1941-6-29 1262 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC912409  Logfia filaginoides Herbert L. Mason 1928-4-29 4426 Contra Costa Mount Diablo Comment
  UC2042870  Logfia gallica Barbara Ertter with Travis Columbus 1990-6-10 9101 Contra Costa NE corner of Briones Regional Park, Briones Hills W of Pleasant Hill, trails heading down ridge on N of Briones Peak. 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
  UC691200  Lolium multiflorum Mary L. Bowerman 1935-5-16 3003 Contra Costa Russelman Park Road at Gregory Ranch junction; Mount Diablo 289 Comment
  SEINET2074966  Lolium multiflorum S. J. Gibbs 1970-3-27 Contra Costa Oak View Terrace, 3 mi. N.E. of P.O. 121 Comment
  SEINET2080859  Lolium multiflorum D. Walter 1985-4-29 10183 Contra Costa Dougherty Road 4 miles N of Old Ranch Road (N of Dublin, E of San Ramon). 121 Comment
  UC606746  Lolium perenne Edward Lee 1936-4-19 1973 Contra Costa Red Rock , se shore Red Rock (San Francisco Bay) Comment
  UC692429  Lolium perenne Mary L. Bowerman 1935-5-3 2967 Contra Costa Mount Diablo; Sloan Road 487 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
  UC691198  Lolium temulentum Mary L. Bowerman 1935-5-16 3006 Contra Costa e side of North Peak Mount Diablo (behind Gabriel-Hinks'); , (e side of North Peak) 289 Comment
  UCD127622  Lomatium dasycarpum P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  JEPS17143  Lomatium dasycarpum subsp. dasycarpum W. L. Jepson 1918-6-3 7579 Contra Costa Donner Canyon Mt. Diablo Comment
  RSA0029366  Lomatium dasycarpum subsp. dasycarpum Barbara Ertter, Susan D Alcamo 1994-4-24 12461 Contra Costa Mount Diablo east Walnut Creek, Bald Ridge Trail above Murchio Gap. 762 Comment
  UC2027916  Lomatium dasycarpum subsp. dasycarpum Barbara Ertter with Dan Norris 2001-4-8 17580 Contra Costa Lime Ridge Open Space east of Walnut Creek, high part of main ridge. Comment
  UC140639  Lomatium macrocarpum Katharine Curran May 1885 Contra Costa Antioch Comment
  CDA42380  Lonicera hispidula D. G. Kelch 2012-5-27 12 .071 Contra Costa Carquinez Strait Region; Pinole Valley Park. Comment
  UC1051199  Lonicera japonica N. Floy Bracelin 1944-6-11 2723 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  CAS-BOT-BC241409  Lonicera japonica Walter Knight; Irja Knight; J. T. Howell; E. McClintock 1978-9-5 3221 Contra Costa Browns Island, old habitation site at west end of island Comment
  JEPS99996  Lotus corniculatus A. Langston 2003-7-2 AL 58 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC2028272  Lotus micranthus Barbara Ertter 1999-6-12 16705 Contra Costa Black Hawk Ridge Road between Knobcone Point Road and NE fork of Sycamore Creek, South side of Mount Diablo. Comment
  JEPS55826  Lotus wrangelianus A. M. Ottley 1920-6-5 779 Contra Costa below Moraga Ridge Comment
  UC15709  Lotus wrangelianus State Survey 1800-1 1166 Contra Costa Mt. Diablo Comment
  JEPS100069  Lotus wrangelianus G. Smick GAS 74 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS111572  Ludwigia peploides D. G. Kelch 2004-7-9 04 .299 Contra Costa Port Costa - Reservoir. Port Costa pond 28 Comment
  UCD36021  Lupinus Beecher Crampton 1949-5-29 466 Contra Costa 1 mile north of Richmond, patch along Southern Pacific Railroad. 15 Comment
  UC15755  Lupinus affinis W. H. Brewer 1862-4-25 996 Contra Costa Martinez Comment
  CHSC67947  Lupinus albifrons James D. Jokerst 1989-3-31 3077 Contra Costa Rocky hillside E of creek in Brushy Creek Canyon. Comment
  UC16053  Lupinus albifrons J. Burtt Davy 1895-4-7 873 Contra Costa Antioch Comment
  UC750647  Lupinus albifrons Lewis S. Rose 1946-4-1 46023 Contra Costa above Wildcat Creek (Berkeley Hills); , above Wildcat Creek 396 Comment
  CAS-BOT-BC201366  Lupinus albifrons var. albifrons Alice Eastwood; John Thomas Howell 1936-4-19 2146 Contra Costa Antioch Comment
  CAS-BOT-BC201377  Lupinus albifrons var. albifrons James McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  POM10982  Lupinus albifrons var. albifrons C. F. Baker 1903-4-25 2823 Contra Costa Antioch. Comment
  UC1607647  Lupinus albifrons var. albifrons Barbara Ertter 1993-4-2 11474 Contra Costa along railroad w Crockett (base of n-facing bluffs at w end of Carquines Strait, San Pablo Bay); San Pablo Bay, w end of Carquines Strait Comment
  UC1129460  Lupinus albifrons var. collinus H. S. Yates 1934-9-2 4033 Contra Costa 2 mi nw Orinda; Concord Quad., nw of Orinda 304 Comment
  UC127018  Lupinus albifrons var. collinus J. Burtt Davy 1897-4-17 Contra Costa Point Isabel Comment
  UC2043258  Lupinus albifrons var. collinus Barbara Ertter with Dianne Lake, Chris Thayer, Bruce Baeyert 1996-5-16 14674 Contra Costa Point Molate Navel Fuel Depot north of San Rafael bridge, edge of San Francisco Bay. Comment
  CDA27417  Lupinus bicolor D. G. Kelch, A. G. Murdock 2005-4-15 5 .146 Contra Costa Carquinez Strait Region; Rodeo Creek. EBRP land. West of Cummings Skyway near summit (Old C&H Sugar diatomaceous earth dump). Comment
  JEPS112360  Lupinus bicolor Dean G. Kelch and Andrew G. Murdock 2004-5-28 288 Contra Costa Pinole Peak; County: Contra Costa. Comment
  UC1300886  Lupinus bicolor Helen K. Sharsmith 1963-4-7 5292 Contra Costa near Oakley (s of Antioch); , near Oakley 15 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
  JEPS111069  Lupinus bicolor Lee Echols 2003-4-1 s.n. Contra Costa N of Lark Drive in SE portion of grassland within UC Berkeley's Richmond Field Station, app. .5 miles from Hwy 580 off Bayview Ave, Richmond. 15 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
  UC2028255  Lupinus bicolor Barbara Ertter with Gary Schoolcraft 1996-4-7 14573 Contra Costa Point San Pablo in west Richmond, crest of road to yacht harbor, coastal grassland along ridge, scraped roadbed to tower Comment
  UCD107278  Lupinus bicolor P. B. Kennedy 1929-4-21 s.n. Contra Costa St. Mary's College, Moraga Valley. Comment
  CAS-BOT-BC187856  Lupinus chamissonis John Thomas Howell 1932-9-17 10757 Contra Costa Clay Flats, San Pablo Avenue, Richmond Comment
  POM181434  Lupinus densiflorus var. aureus Ira L. Higgins 1930-4-17 4568 Contra Costa Hillsides near Mountain House, Altamont Pass. Comment
  UC692523  Lupinus formosus Mary L. Bowerman 1931-10-5 1055 Contra Costa Marsh Creek at Curry Canyon Mount Diablo; , Marsh Creek at Curry Canyon 231 Comment
  UC692522  Lupinus formosus Mary L. Bowerman 1936-9-9 3538 Contra Costa Sycamore Canyon Mount Diablo (small flat valley e of Forces' house); , Sycamore Canyon 274 Comment
  SD103748  Lupinus formosus var. formosus Walter Knight, Irja Knight 1979-5-31 3396 Contra Costa Pasture at southeast corner Appian Way and I-80, City of Pinole. Comment
  UC1819006  Lupinus formosus var. formosus Barbara Ertter, Brad Olson, Diane Lake, Seth Adams, et al. 1994-9-11 13095 Contra Costa Chaparral Springs addition to Mt. Diablo State Park, north side of Marsh Creek Road at high point southeast of Clayton,, open slopes between ponds at south foot of ridge, open woodland/ grassland, heavily grazed. Comment
  UCD38731  Lupinus luteolus Beecher Crampton 1957-7-9 4274 Contra Costa 3 miles southeast of Crockett. On the road to Martinez. Comment
  CDA27486  Lupinus microcarpus var. densiflorus A. G. Murdock, D. G. Kelch 2003-6-2 88 Contra Costa Carquinez Strait Region; Crockett - Eckley. East of pier at base of cliff. Comment
  UCD108697  Lupinus microcarpus var. densiflorus August Hartman 1960-4-19 15 D Contra Costa North Gate Road, Mt. Diablo. 304 Comment
  UC1562852  Lupinus microcarpus var. microcarpus Barbara Ertter with Elizabeth Neese 1988-4-24 7453 Contra Costa between and parallel to Nortonville and Somersville roads Black Diamond Mines Regional Preserve sw Antioch; Black Diamond Mines Regional Preserve Comment
  UC201025  Lupinus microcarpus var. microcarpus Katharine Brandegee 1918-6-16 Contra Costa El Dorado St. Richmond Annex (Richmond Annex); , El Dorado St. Comment
  UC201028  Lupinus microcarpus var. microcarpus Katharine Brandegee June 1918 Contra Costa Richmond Annex Comment
  UC201037  Lupinus microcarpus var. microcarpus Katharine Brandegee 1918-6-19 Contra Costa Richmond Annex , base of a rocky hill (El Dorado St.) Comment
  JEPS78983  Lupinus microcarpus var. microcarpus Edward Lee with Annetta Carter 1935-6-13 1430 Contra Costa Panhandle Boulevard south Richmond; , Panhandle Boulevard Comment
  UC2027831  Lupinus microcarpus var. microcarpus Barbara Ertter with John Ginochio and Mary Bowerman 2001-5-8 17628 Contra Costa Northwest flank of Mount Diablo, upper Galindo Creek southwest of Mount Zion. Comment
  UC2028071  Lupinus nanus Barbara Ertter, Tony Morosco 1998-4-12 16002 a Contra Costa Base of Mount Olympia on north side of Mount Diablo, NE of Olympia Trail. Comment
  UCD109246  Lupinus nanus L. S. Smith 1916-5-10 s.n. Contra Costa Grand View Terrace - m. Richmond. Comment
  CDA33853  Lupinus pachylobus D. G. Kelch, Abigail Moore, Michael Park, Troy 2010-5-15 10 .105 Contra Costa Mt. Diablo. Trail from Prospector s Gap to Lower Summit parking lot. 0 Comment
  RSA0027639  Lupinus pachylobus Barbara Ertter, Tony Morosco 1998-4-12 16002 Contra Costa Base of Mount Olympia on north side of Mount Diablo, slope above quarry NE of Olympia Trail, with numerous outcrops. 518 Comment
  CHSC23154  Lupinus polycarpus Robert A. Schlising 1962-4-7 2149 Contra Costa Coastal Range. Roadside near Antioch Reservoir. Comment
  CDA37273  Lupinus succulentus D. G. Kelch 2011-3-31 11 .078 Contra Costa Carquinez Region; Richmond; Hilltop Lake Park. Comment
  CHSC21642  Lupinus succulentus Willis Ball 1975-3-2 464 Contra Costa Contra Loma Regional Park. In area #4. At edge of beach on e side of lake ca. 50 yds s of dam. 33 Comment
  POM290430  Luzula comosa Lyman Benson 1931-3-18 2659 Contra Costa Martinez; Mt Range: South Coast; Watershed: Sacramento River. 91 Comment
  HSC14134  Luzula comosa Greg Bos 1963-3-9 34 Contra Costa Albany Hill 12 Comment
  UC2028039  Luzula comosa Barbara Ertter 1998-3-7 15930 Contra Costa Dan Cook Canyon on southwest side of Mount Diablo. Comment
  UC2028401  Luzula comosa Barbara Ertter with Dan Norris 1998-6-18 16225 Contra Costa Lower Devil's Slide trail falong W Fork Sycamore Creek (Madrone Canyon), south side of Mount Diablo, along path in woods Comment
  UC72374  Luzula macrantha Harley P. Chandler 1901-3-22 851 Contra Costa Martinez Comment
  CDA1506  Lythrum californicum D. G. Kelch 1996-10-17 s.n. Contra Costa Carquinez Strait; Pt Edith Marsh Comment
  CDA5134  Lythrum hyssopifolia D. G. Kelch, A. G. Murdock 2005-5-5 5 .213 Contra Costa Carquinez Strait Region; Point Pinole - Giant Marsh. Giant Salt Marsh. Comment
  JEPS100062  Lythrum hyssopifolia A. Langston 2003-7-9 AL 65 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS112518  Lythrum hyssopifolia D. G. Kelch 2004-6-6 04 .225 Contra Costa Martinez - Train Station Downtown Martinez. Alhambra Creek near bay and railroad Station. 2 Comment
  JEPS112520  Lythrum hyssopifolia D. G. Kelch 2003-6-22 03 .90 Contra Costa Rodeo - Lone Tree Point 2 Comment
  UC692629  Lythrum hyssopifolia Mary L. Bowerman 1932-8-27 1522 Contra Costa s of Turtle Rock (w of the willows, Mount Diablo); Mount Diablo Comment
  UCD150881  Lythrum hyssopifolia James A. Neilson Jr. 1972-11-2 3617 Contra Costa Walnut Creek drainage. Elevation estimated using Google Earth by label maker. 1 Comment
  UC1051167  Mackaya bella N. Floy Bracelin 1944-7-19 2762 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC33221  Madia elegans Jos. Burtt Davy 1895-1 Contra Costa Moraga Pass Comment
  UC697172  Madia elegans Mary L. Bowerman 1933-5-17 2106 Contra Costa Curry Canyon brance s of Olafsons' barn Mount Diablo 289 Comment
  CDA33835  Madia elegans subsp. vernalis D. G. Kelch, Abigail Moore, Michael Park, Troy 2010-5-15 10 .103 Contra Costa Mt. Diablo. Trail from Prospector s Gap to Lower Summit parking lot. 0 Comment
  UC691548  Madia exigua Mary L. Bowerman 1933-5-8 2017 Contra Costa Fossil Ridge near crest, on n side by side road Mount Diablo 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
  JEPS111753  Madia gracilis D. G. Kelch 2005-4-24 05 .163 Contra Costa Franklin Canyon 60 Comment
  UC2029027  Madia gracilis Barbara Ertter 2002-6-16 17951 Contra Costa Richmond Field Station (UC-Berkeley). Comment
  CAS-BOT-BC324487  Madia radiata K. Brandegee 1908-4-9 50 Contra Costa Near Antioch Comment
  CAS-BOT-BC324490  Madia radiata Brandegee 1889-4-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC324491  Madia radiata A. A. Heller 1938-4-9 15015 Contra Costa 3 miles southwest of Antioch Comment
  CAS-BOT-BC8141  Madia radiata Albert Kellogg s.n. Contra Costa Antioch Comment
  UC112946  Madia radiata Mrs. K. Brandegee 1908-4-9 50 Contra Costa near Antioch Comment
  UC725398  Madia radiata A. A. Heller 1938-4-9 15015 Contra Costa 3 mi sw Antioch Comment
  UC830900  Madia radiata A. A. Heller 1938-4-9 15015 Contra Costa 3 mi sw Antioch Comment
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Aug 21 2017
  CDA23595  Madia sativa D. G. Kelch 2007-9-8 7 .568 Contra Costa Carquinez Strait; Pinole Valley Park. Comment
  POM53854  Madia sativa L. R. Abrams 1916-7-1 5734 Contra Costa Martinez Comment
  CAS-BOT-BC343579  Madia sativa David D. Keck 1941-6-5 5310 Contra Costa Berkeley Hills, Fish Creek Road, 1/4 mi. W. of East portal of Broadway Tunnel 335 Comment
  POM267969  Madia sativa D. D. Keck 1941-6-5 5310 Contra Costa Berkeley Hills, Fish Creek Road 1/4 mile W of E portal of Broadway Tunnel. 335 Comment
  UC2028129  Malacothamnus fasciculatus Barbara Ertter 1998-5-3 16079 a Contra Costa Wall Point Road and Emmons Canyon Road, southwest flank of Mount Diablo. Comment
  CAS-BOT-BC206329  Malacothamnus fremontii Walter Knight; Irja Knight 1967-4-2 s.n. Contra Costa Nortonville. Comment
  SDSU7507  Malacothamnus fremontii D. F. Howe 1968-5-20 4515 Contra Costa Comment
  UC185544  Malacothamnus fremontii Katharine Brandegee May 1883 Contra Costa Base of Mt. Diablo Comment
  UC18798  Malacothamnus fremontii Edw. L. Greene 1892-6-20 Contra Costa Mt. Diablo Comment
  UC692612  Malacothamnus fremontii Mary L. Bowerman 1930-6-18 353 Contra Costa Mount Diablo 822 Comment
  UC692620  Malacothamnus fremontii Mary L. Bowerman 1933-5-21 2158 Contra Costa on ridge between main forks (head of Grape Spring gully) Mount Diablo, Sulplhur Spring Canyon Comment
  UC697144  Malacothamnus fremontii Mary L. Bowerman 1932-9-24 1590 Contra Costa Ridge running west from Twin Peaks Mount Diablo 335 Comment
  UC697188  Malacothamnus fremontii Mary L. Bowerman 1932-9-24 1590 Contra Costa Ridge running west from Twin Peaks 335 Comment
  UC763002  Malacothamnus fremontii R. F. Hoover 1939-5-20 4107 Contra Costa Head of Markley Canyon Comment
  UC521714  Malacothamnus fremontii Joseph Andorfer Ewan 1933-10-15 8029 Contra Costa Local at edge of chamise stand near Sout slope flat, Mt. Diablo 1066 Comment
  UC692621  Malacothamnus hallii Mary L. Bowerman 1938-11-12 3732 Contra Costa Mount Diablo 289 Comment
  CAS-BOT-BC204094  Malacothamnus hallii John Thomas Howell; T. H. Kearney 1950-7-5 26634 Contra Costa On North Road, Mt. Diablo 259 Comment
  SEINET5047666  Malacothamnus hallii Unknown 1916-5-30 301 Contra Costa Mt. Diablo, Contra Costa County, on the westerly side N of Pine Canon, Comment
  UC1795741  Malacothamnus hallii Barbara Ertter, Tom Delendick 1996-5-2 14610 Contra Costa Mount Diablo State Park, North Gate Rd. near base of Long Ridge, at old developed spring, mixed scrub. 182 Comment
  UC133354  Malacothrix floccifera C. F. Baker 1903-4-28 2948 Contra Costa Marsh Creek Mount Diablo Comment
  UC831151  Malacothrix floccifera Mrs. E. C. Sutliffe 1920-5-30 Contra Costa Mt. Diablo Comment
  JEPS111543  Malva nicaeensis D. G. Kelch 2004-5-21 04 .220 Contra Costa Crockett - Edwards Canyon Edwards Creek EBRP Staging Area near Greenhouse 24 Comment
  JEPS111546  Malva nicaeensis D. G. Kelch 2005-3-13 05 .47 Contra Costa Crockett - weedy area under Zampa Bridge 4 Comment
  CDA39046  Malva parviflora D. G. Kelch 2011-6-5 11 .575 Contra Costa Carquinez Strait; South of Crockett, south of Cummings Skyway. Comment
  UCD116644  Malva parviflora John Thomas Howell; Gordon H, True 1972-6-29 48923 Contra Costa Byron Hot Springs Road southeast of Byron. Comment
  RSA0004205  Malvastrum howellii J. T. Howell 1931-5-12 6470 Contra Costa Nortonville Comment
  UC871380  Malvella leprosa Lewis S. Rose 1938-10-28 38310 Contra Costa Byron 3 Comment
  UC2029012  Malvella leprosa Barbara Ertter with Dan Norris 1999-11-14 16849 Contra Costa Black Diamond Mines Regional Preserve, south of parking area for Somersville townsite. Comment
  UC1122829  Marah fabacea R. W. Lundh 1933-3-15 214 Contra Costa Vaca Canyon Concord Quadrangle Comment
  CHSC28456  Marah oregana Robert A. Schlising 1964-4-2 2667 Contra Costa Berkeley-Oakland Hills. Comment
  CHSC46894  Marah oregana R. A. Schlising 1964-4-14 2704 Contra Costa Berkeley/Oakland Hills. Comment
  JEPS63279  Marrubium vulgare L. Tinsley Sept. 1925 38 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC348257  Matricaria occidentalis R. E. Frenkel 1964-4-8 419 Contra Costa Bixler Marsh Comment
  UC1103019  Meconella californica J. P. Tracy 1903-4-18 1796 Contra Costa East slope beyond Bald Peak, Berkeley Hills 304 Comment
Read comments
May 24 2011
  UC2036958 Image available Meconella californica Mary L. Bowerman 1946-3-10 4084 Contra Costa Northerly face of Shell Ridge. East of Brown's house (where [m.c.?] lived). Comment
  CDA22510  Medicago arabica D. G. Kelch, D. A. Weinstein 2008-4-25 8 .076 Contra Costa Alvarado Park (west end of Wildcat Canyon Park) on north-facing hillside above Hindu temple in mixed scrub/grassland. Comment
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Jan 7 2016
  UC1197428  Medicago polymorpha Joseph P. Tracy 1934-4-30 13189 Contra Costa between Lafayette and Moraga 152 Comment
  UC16087  Medicago polymorpha J. Burtt Davy 1897-4-17 Contra Costa Point Isabel Comment
  UC692277  Medicago polymorpha Mary L. Bowerman 1930-6-5 247 a Contra Costa west road (= North Road) 5.8 mi from entrance; Mount Diablo 457 Comment
  JEPS127043  Medicago polymorpha var. brevispina Lowell Ahart, Josephine Guardino 2016-4-19 20763 Contra Costa 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Springs USGS 7.5' Quad. Comment
  HSC24000  Medicago sativa Tim Baroni 1971-10-16 199 Contra Costa Pinole, Pinole Valley Rd. 100 Yds. E of the entrance to Wright Ave. Comment
  UC1948964  Melica californica William J. Ferlatte, L. Maynard Moe 1970-4-27 1260 Contra Costa San Francisco Bay: Red Rock Island Comment
  UC606756  Melica californica Edward Lee 1936-4-19 1997 Contra Costa Red Rock; San Francisco Bay Comment
  UC692469  Melica californica Mary L. Bowerman 1932-4-16 1349 Contra Costa Eagle Point Mt Diablo (Mt Diablo) Comment
  UCD87145  Melica californica P. B. Kennedy 1916-5-1 s.n. Contra Costa Pinehurst. Comment
  CAS-BOT-BC262506  Melica torreyana John Thomas Howell 1933-5-14 11257 Contra Costa Hills east of St. Mary's College Comment
  JEPS21801  Melica torreyana Joe Zaerr 1958-5-10 126 Contra Costa Moraga Ridge 396 Comment
  UC691175  Melica torreyana Mary L. Bowerman 1935-5-22 3044 Contra Costa canyon at n end which heads into saddle w of Twin Peaks Eagle Pt Ridge; Mt. Diablo 350 Comment
  JEPS100114  Melilotus indicus G. Smick 2003-5-20 GAS 195 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS65535  Melilotus indicus W. L. Jepson 1922-5-18 9644 Contra Costa North Berkeley Hills 152 Comment
  CDA1109  Melissa officinalis D. G. Kelch 2005-7-14 5 .462 Contra Costa Carquinez Strait Region; Arroyo del Hambre; Franklin Creek near Glen Frazier. Comment
  SEINET3152170  Mentha canadensis Brandegee 1892-9-9 sn Contra Costa Antioch Comment
  UC1949288  Mentzelia affinis Barbara Ertter 1991-5-5 9773 Contra Costa Black Diamond Mines Regional Preserve S of Pittsburg, S side of Rose Hill above Nortonville Pass Comment
  UC697192  Mentzelia micrantha Mary L. Bowerman 1933-5-2 Contra Costa Below Pioneer Camp (and slightly east); Mount Diablo 762 Comment
  CHSC116619  Micropus californicus var. californicus Lowell Ahart; Josephine Guardino 2016-4-19 20796 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. Bedlow the high water line of Los Vaqueros Reservoir, 1.4 miles northwest of Los Vaqueros Reservoir Marina, 1.9 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 144 Comment
  JEPS111701  Micropus californicus var. californicus D. G. Kelch 2004-4-25 04 .125 Contra Costa Martinez - West: Ozol Rock and Scenic Drive Hill Southwest of large cottonwood. West of Martinez at gated end of Scenic Dr 50 Comment
  JEPS49066  Micropus californicus var. californicus Lewis S. Rose 1966-4-22 66031 Contra Costa n slope of Mt. Diablo; Donner Canyon, Clayton Comment
  UC2028976  Micropus californicus var. californicus Barbara Ertter with Kevin Hintsa 2000-5-16 17023 Contra Costa Rock City area on SSW side of Mount Diablo, East Fossil Ridge Trail. Comment
  UCSC007192  Microseris Randall Morgan 1989-5-5 1588 Contra Costa Mitchell Cyn trail, W entrance, Mount Diablo Comment
  CAS-BOT-BC348789  Microseris campestris Peter H. Raven; H. L. Mason; R. Ornduff; et al 1957-4-4 10581 Contra Costa Flats 3.0 miles s. of Byron Comment
  CAS-BOT-BC348886  Microseris douglasii subsp. douglasii Mary L. Bowerman 1933-5-8 2012 Contra Costa Mount Diablo. Fossil Ridge near crest, on north side by side road Comment
  CAS-BOT-BC348893  Microseris douglasii subsp. douglasii Alice Eastwood 1922-5-14 11316 Contra Costa Mt. Diablo Comment
  UC1070040  Microseris douglasii subsp. douglasii C. M. Belshaw 1936-5-11 2094 Contra Costa 2 mi ene Danville; Mt. Diablo Quad. 243 Comment
  UC218905  Microseris douglasii subsp. douglasii Katharine Brandegee 1907-5-3 Contra Costa near Antioch Comment
  CAS-BOT-BC348894  Microseris douglasii subsp. douglasii K. L. Chambers 1953-4-25 449 Contra Costa Balfour Road, ca. 4 mi. w. of Brentwood and 1.8 mi. e. of its junction with Antioch-Briones Valley Road. (Deer Valley Road.) On e. side of Mount Diablo Range Comment
  CAS-BOT-BC349093  Microseris douglasii subsp. tenella Mary L. Bowerman 1933-4-15 1847 Contra Costa Mount Diablo. Canyon south of Arroyo del Cerro Comment
  UC768670  Microseris douglasii subsp. tenella Robert F. Hoover 1939-4-25 4062 Contra Costa Richmond Hills Comment
  CAS-BOT-BC349094  Microseris douglasii subsp. tenella Ira L. Wiggins 1930-4-17 4560 A Contra Costa 1 mi. E. of Mountain House, on road to Byron Comment
  CAS-BOT-BC7486  Microseris leiosperma M. K. Curran 1886-1-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC322765  Microseris sylvatica M. K. Curran 1884-5-1 s.n. Contra Costa Antioch Comment
  UCSB5226  Microsteris gracilis Kamb, Peter 1950-3-18 Contra Costa Head of Pine Canyon; Mount Diablo 533 Comment
  JEPS10223  Mimulus aurantiacus var. aurantiacus W. L. Jepson 1922-5-23 9650 Contra Costa Mt. Diablo Comment
  JEPS78823  Mimulus aurantiacus var. aurantiacus Edward Lee 1936-5-24 2165 Contra Costa 10 mi from Marsh Creek Road; Morgan Territory Comment
  RSA15451  Mimulus aurantiacus var. aurantiacus J. T. Howell 1936-4-19 s.n. Contra Costa Nortonville Comment
  UC691496  Mimulus aurantiacus var. aurantiacus Mary L. Bowerman 1930-6-5 253 Contra Costa 5.8 mi from entrance West road (=North Road); Mount Diablo 457 Comment
  UC691614  Mimulus aurantiacus var. aurantiacus Mary L. Bowerman 1931-3-29 622 Contra Costa East Cave Point Ridge Mount Diablo Comment
  HSC90665  Mimulus aurantiacus var. aurantiacus D. M. Thompson 1992-6-3 1107 Contra Costa SW base of Mt. Diablo, E of Danville. 2.6 mi. NE of Blackhawk and Diablo Rds. along Mt. Diablo Scenic Blvd. and South Gate Rd. 378 Comment
  UC2027951  Mimulus cardinalis Barbara Ertter with Joanne Kerbavaz and Mary Bowerman 2000-8-20 17515 Contra Costa South side Mount Diablo, Green Ranch Road at Meridian Springs Creek crossing. Comment
  UC1613940  Mimulus grandis Charles M. Belshaw 1935-6-24 1019 Contra Costa Sobrante Hills Comment
  POM261437  Mimulus guttatus J. T. Howell 1940-4-21 15402 Contra Costa Pine Canyon, Mount Diablo Comment
  UC691739  Mimulus nasutus Mary L. Bowerman 1931-4-18 724 Contra Costa at junction of e and ne forks Sycamore Canyon; Mount Diablo 396 Comment
  JEPS51443  Minuartia douglasii W. L. Jepson 1931-3-21 15712 Contra Costa Grizzly Peak; face, s slope, 600 ft below top Comment
  UC1125779  Minuartia douglasii C. M. Belshaw 1936-5-8 2062 Contra Costa Mt. Diablo Mt. Diablo Quadrangle (se slope, Plot 5) 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-BC221677  Monardella douglasii A. D. E. Elmer 1903-7-1 4544 Contra Costa Mount Diablo Comment
  UC691414  Monardella douglasii Mary L. Bowerman 1935-6-1 3106 Contra Costa second small ridge e Mitchell-Pine divide (bottom of s face); Mount Diablo 975 Comment
  UC2070470  Monardella douglasii Barbara Ertter with John Ginochio 2002-6-1 17941 Contra Costa Ginochio Ranch in Arroyo del Cerro on NW side of Mount Diablo, connector road between Government Road and Olofson Homestead. Comment
  UCD125303  Monardella villosa P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  CAS-BOT-BC220512  Monardella villosa John Thomas Howell 1929-7-7 4324 Contra Costa On northern slope near south end of Carquinez Bridge 45 Comment
  RSA0022790  Monardella villosa subsp. subserrata Katherine Brandegee 1907-7-4 s.n. Contra Costa Martinez. Comment
  CAS-BOT-BC327805  Monolopia gracilens Lewis S. Rose 1935-5-16 35166 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC349617  Monolopia major James McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  UC90420  Monolopia major T. S. Brandegee May 1891 Contra Costa Antioch Comment
  CAS-BOT-BC349606  Monolopia major Ira L. Wiggins 1930-4-17 4584 Contra Costa Roadside 1/4 mi. S. of Byron Comment
  UC1606312  Montia fontana Barbara Ertter, Chris Thayer 1993-5-7 11691 Contra Costa 1/2 mi se of Inspiration Point (on Wilcat Canyon Road, East Bay Municipal Utilities District land e of Tilden Park); Hopkins Spring, East Bay Municipal Utilities District land 304 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
  UC1114819  Myosurus M. K. Curran 1884-1 Contra Costa Antioch Comment
  CAS-BOT-BC83286  Myosurus minimus H. L. Mason 1932-3-20 6854 Contra Costa Briones road. Comment
  CAS-BOT-BC83289  Myosurus minimus Herbert L. Mason 1952-4-14 14264 Contra Costa 3.5 miles south of Byron. Comment
  UC1731501  Myosurus minimus Dean W. Taylor 1992-4-16 12391 Contra Costa s of Bryon Hot Springs (San Joaquin Valley); San Joaquin Valley 45 Comment
  UC1738113  Myosurus minimus D. E. Stone 1957-3-15 14 -20 Contra Costa 3 mi S of Byron ( on road to Herdlyn) Comment
  CAS-BOT-BC83290  Myosurus minimus Herbert L. Mason 1952-4-14 14264 Contra Costa 3.5 miles south of Byron. Comment
  JEPS65190  Myosurus sessilis L. R. Heckard 1971-4-15 2477 Contra Costa S of Byron (intersection of Holey Road) Comment
  POM264922  Nassella cernua A. A. Beetle 1941-3-28 1718 Contra Costa Orinda Comment
  UC691262  Nassella lepida Mary L. Bowerman 1932-4-27 1376 Contra Costa canyon w Riggs Canyon (e bank of stream, s face of ridge); Mount Diablo, Oyster Ridge 289 Comment
  UC691263  Nassella lepida Mary L. Bowerman 1935-6-28 3161 Contra Costa canyon w of meridian below place where pipe crosses (s base of peak); Mount Diablo, Meridian Peak 441 Comment
  UC692413  Nassella lepida Mary L. Bowerman 1932-4-27 1387 Contra Costa canyon w Riggs Canyon (w exposure, s face of mt); Mount Diablo, Oyster Ridge 335 Comment
  CAS-BOT-BC259905  Nassella lepida Mary L. Bowerman 1932-4-27 1387 Contra Costa Mount Diablo. Oyster Ridge, canyon W of Riggs Canyon 335 Comment
  CAS-BOT-BC260131  Nassella pulchra Mary L. Bowerman 1933-5-18 2125 Contra Costa Mount Diablo. Blackberry Spring Comment
  UC692412  Nassella pulchra M. L. Bowerman 1935-4-26 2902 Contra Costa Indian Ceremonial Spring, W of Mount Diablo 1021 Comment
  CAS-BOT-BC260130  Nassella pulchra Mary L. Bowerman 1933-5-8 2030 Contra Costa Mount Diablo. N of Rock City campground Comment
  POM300685  Nassella pulchra Mary L. Bowerman 1933-5-9 2036 Contra Costa East of Pioneer Camp Comment
  UC2042985  Navarretia atractyloides Barbara Ertter with Tony Morosco 1998-9-18 16437 Contra Costa North side Lime Ridge Open Space northwest of Mount Diablo. Comment
  UC133782  Navarretia mellita Katharine Brandegee Sep 1892 Contra Costa Oakland Hills, Redwood Peak Redwood Peak; Oakland Hills, Redwood Peak Comment
  UC125036  Navarretia nigelliformis subsp. radians Katharine Brandegee 1907-6-16 Contra Costa near Antioch; Judsonville Comment
  RSA469883  Navarretia pubescens Thekla Mohr 1917-07 3155 Contra Costa Mount Diablo Comment
  UC2042983  Navarretia pubescens Barbara Ertter with Dan Norris 1998-6-18 16216 Contra Costa Rock City area on south side of Mount Diablo, trail to Artist Point Comment
  CAS-BOT-BC233584  Navarretia pubescens John Thomas Howell 1942-7-19 17041 Contra Costa Near Deer Flat, Mount Diablo Comment
  JEPS105727  Navarretia pubescens David Gowen 2004-5-27 100 Contra Costa Ca. 1/2 mile east of the southeast corner of Morgan Territory Regional Preserve in Los Vaqueros Watershed. Comment
  JEPS112008  Navarretia squarrosa D. G. Kelch 2004-7-9 04 .317 Contra Costa Ferndale Road Ferndale Road North of Alhambra Valley Road. Trail to west of road end. 240 Comment
  UCD36029  Navarretia squarrosa Beecher Crampton 1949-7-10 476 Contra Costa Contra Cost County, along road in pass through Sobrante Ridge, road from valley of San Pablo to Martinez and Pinole, above Sheldon School. 106 Comment
  CDA1155  Nemophila heterophylla D. G. Kelch, Andrew Murdock 2003-3-21 3 .056 Contra Costa Carquinez Strait Region; Martinez; West: Ozol Rock and Scenic Drive. Comment
  JEPS111826  Nemophila heterophylla D. G. Kelch 2005-5-1 05 .182 Contra Costa Crockett - Edwards Canyon 150 Comment
  JEPS111835  Nemophila heterophylla D. G. Kelch 2003-3-21 03 .56 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 40 Comment
  UC1069152  Nemophila heterophylla R. C. Wilson 1935-3-27 145 Contra Costa 1/2 mi s Cave Pt.; Mt. Diablo Quad., s of Cave Pt. Comment
  UC146146  Nemophila heterophylla Joseph P. Tracy 1903-4-18 1797 Contra Costa e slope of Bald Peak San Francisco Bay Region, , Bald Peak (Berkeley Hills) 304 Comment
  UC592124  Nemophila heterophylla H. L. Mason 1928-4-29 4430 Contra Costa Sycamore Canyon , Sycamore Canyon (s slope Mount Diablo) Comment
  SEINET4080336  Nemophila heterophylla M. W. Garcia 1960-1 60070 Contra Costa Near drinking fountain on Mount Diablo. Lower Terrace Camp. 609 Comment
  UC480617  Nemophila menziesii Carl Meyer 1928-2-22 284 Contra Costa Mt. Diablo Comment
  UC691704  Nemophila menziesii Mary L. Bowerman 1931-3-8 557 Contra Costa Mitchell Canyon , Mitchell Canyon (Mount Diablo) 304 Comment
  JEPS111846  Nemophila menziesii var. menziesii D. G. Kelch 2005-3-25 05 .84 Contra Costa Pinole Peak Fernandez Ranch. West of Christie Road. South of I-4 (behind golf course) and North of Pinole Peak 250 Comment
  UC2027804  Nemophila menziesii var. menziesii Barbara Ertter with Holly Forbes 1997-4-20 15554 Contra Costa North base of Mount Diablo, trail to Back Creek from Mitchell Canyon trailhead. Comment
  HSC28472  Nicotiana glauca J. D. Ackerman, A. M. Montalvo 1973-12-20 123 Contra Costa 5 mi. E of Clayton Comment
  RSA0027889  Nicotiana quadrivalvis Barbara Ertter, David Gowen 2010-11-17 20698 Contra Costa Mangini acquisition (Save Mount Diablo) between Lime Ridge and Mount Zion. 200 Comment
  CDA3508  Nigella damascena J. de Fremery, C. Beutler 1974-6-18 Contra Costa Brentwood Road at Southern Pacific railroad tracks, Brentwood. 0 Comment
  CAS-BOT-BC140363  Oemleria cerasiformis Frank W. Gould 1940-3-2 873 Contra Costa North side of Grizzly Peak 289 Comment
  JEPS75476  Oemleria cerasiformis P. F. Yorks 1974-2-24 111 Contra Costa ca 1.4 km s Bear Creek Rd on Hampton Rd in Hampton Road Natural Reserve (n of Briones Reservoir) Comment
  RSA0025334  Oemleria cerasiformis James R. Shevock 2012-8-12 40657 Contra Costa Tilden Regional Park, East Bay Regional Park District. Along Grizzly Peak Trail about midway between the upper and lower trailheads. 448 Comment
  UC12469  Oemleria cerasiformis Davidson Jul 1892 Contra Costa Mt. Diablo Comment
  UC1819057  Oemleria cerasiformis Barbara Ertter, Dale Sanders, Dan Norris 1994-3-26 12334 Contra Costa Peyton Hill east of I-680 east of Martinez, south of Waterfront Road 30 Comment
  UC691109  Oemleria cerasiformis Mary L. Bowerman 1931-2-8 502 Contra Costa 4.5 mi from Mount Diablo west entrance (Mineral Spring); Mount Diablo Comment
  SBBG39495  Oemleria cerasiformis L. S. Rose 1970-3-2 70011 Contra Costa 2 mi NW of Canyon 213 Comment
  UC2028407  Oenanthe sarmentosa Barbara Ertter with Richard K. Brummitt 1998-5-16 16098 Contra Costa Antioch Marina, edge of brackish marsh Comment
  CAS-BOT-BC171595  Oenothera deltoides subsp. howellii Alice Eastwood 1921-4-18 10283 Contra Costa Antioch Comment
  JEPS43995  Oenothera deltoides subsp. howellii Chesnut and Drew 1889-4-18 Contra Costa Antioch Comment
  POM355600  Oenothera deltoides subsp. howellii Peter H. Raven 1965-5-9 20181 Contra Costa Antioch dunes Comment
  RSA144914  Oenothera deltoides subsp. howellii Peter Rubtzoff 1954-9-14 1756 Contra Costa Sand dunes along lower San Joaquin River, east of Antioch. Comment
  UC1073376  Oenothera deltoides subsp. howellii George B. Rossbach 1955-5-22 369 Contra Costa dunes near bank of San Joaquin River (e edge of Antioch); Antioch Comment
  UC1241161  Oenothera deltoides subsp. howellii Wm. Klein 1958-6-9 442 Contra Costa sandhills just n Antioch (along the channel) Comment
  UC971924  Oenothera deltoides subsp. howellii P. D. Hurd 1952-5-26 Contra Costa one mi e Antioch (in sand dunes close to w margin of river near its mouth); San Joaquin River 30 Comment
  RSA119417  Oenothera deltoides subsp. howellii William M. Klein 1958-6-9 438 Contra Costa Sandhills N of Antoch, along the San Joaquin River Channel. 2 Comment
  RSA119418  Oenothera deltoides subsp. howellii William M. Klein 1958-6-9 434 Contra Costa Sandhills N of Antoch, along the San Joaquin River Channel. 2 Comment
  JEPS25159  Oenothera elata subsp. hookeri G. Thomas Robbins with John Weiler''G. Thomas Robbins (with John Weiler) 1959-5-23 4030 Contra Costa On low site at the northwest edge of Brooks Island San Francisco Bay, Richmond. Comment
  SEINET7719109  Oenothera micrantha Chesnut, Drew 1889-4-18 Contra Costa Antioch Comment
  UC1952821  Olea europaea Barbara Ertter with David Gowen 2010-11-17 20701 Contra Costa north face of Lime Ridge Open Space (City of Walnut Creek). Comment
  CAS-BOT-BC502761  Orobanche bulbosa A. D. E. Elmer 1903-6-1 5097 Contra Costa Mount Diablo Comment
  UC27898  Orobanche uniflora subsp. occidentalis J. Burtt Davy 1895-4-13 1004 Contra Costa Lafayette. Comment
  CAS-BOT-BC502956  Orobanche vallicola Paul F. Covel 1938-7-1 1470 Contra Costa Summit Mt. Diablo Comment
  POM15657  Orthocarpus purpurascens C. F. Baker 1903-4-27 2794 Contra Costa Byron. Comment
  PASA163  Orthocarpus pusillus Frank W. Peirson 1926-4-10 Contra Costa Road from Pablo to Pinole Comment
  UC1555267  Osmorhiza berteroi R. C. Stebbins 1988-5-25 Contra Costa Memory and Packrat trails Tilden Park, Tilden Nature Area Comment
  UC691837  Osmorhiza brachypoda Mary L. Bowerman 1938-5-28 3650 Contra Costa Shady canyon Mount Diablo (junction of roads) 670 Comment
  UC2029079  Oxalis corniculata Barbara Ertter 2000-7-16 17401 Contra Costa Lower Pine Creek in Diablo Foothills Regional Park. Comment
  UC2070525  Oxalis pes-caprae Barbara Ertter with Linda Vorobik 2002-4-6 17818 Contra Costa South flank of Mount Diablo, Sycamore Canyon at Devils Slide. Comment
  SEINET9287601  Packera multilobata Unknown 1999-12-20 1219291 Contra Costa Along Wildcat Canyon Rd., 1.9 mi NW of intersection of Wildcat Canyon Rd and Dam Rd. vicinity of Orinda. Comment
  UC1051229  Pandorea jasminoides N. Floy Bracelin 1942-9-20 2301 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  CDA33874  Panicum capillare Diveney, Denijs 2008-9-17 PDR# 1454350 Contra Costa Concord; Contra Costa Canal near Grayson Creek 0 Comment
  UC2028445  Panicum dichotomiflorum Barbara Ertter with Chris Thayer 1996-10-25 15377 Contra Costa West side of Mount Diablo, North Gate Road 3 road miles below junction, near Mineral Spring Comment
  UC1818876  Panicum miliaceum subsp. miliaceum Barbara Ertter 1995-8-19 14505 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
  RSA721592  Papaver californicum Mary L. Bowerman 1978-5-14 s.n. Contra Costa Mount Diablo. E side of Eagle Peak, old mine wagon trail up Black Canyon. Comment
  RSA722067  Parapholis incurva Barbara Ertter, Brad Olson 1994-5-7 12764 Contra Costa S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge, edge of San Francisco Bay. Comment
  JEPS79630  Parvisedum pentandrum Edward Lee 1979-5-6 Contra Costa Mount Diablo, Lower Mitchell Canyon Lower Mitchell Canyon; Mount Diablo, Lower Mitchell Canyon Comment
  UC1818967  Paspalum dilatatum Barbara Ertter 1995-9-30 14523 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
  CAS-BOT-BC259649  Paspalum dilatatum Virginia I. Dains; Walter Knight 1986-8-8 5498 Contra Costa Contra Costa - San Joaquin Delta Area. Jct Rock S1 and Werner Cut, above high water mark on east facing levee Comment
  RSA118092  Paspalum dilatatum J. T. Howell 1954-9-5 30025 Contra Costa Along road, Marsh Creek Springs Park Comment
  UCD88747  Paspalum dilatatum Helen K. Sharsmith 1963-6-1 s.n. Contra Costa Berkeley Hills, Tilden Park Golf Course. Comment
  UC1606289  Paspalum distichum Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10870 Contra Costa just w Antioch (Dow Wetlands Preserve); Dow Wetlands Preserve Comment
  UC691604  Pedicularis densiflora Mary L. Bowerman 1932-1-30 1080 Contra Costa nw corner of basin of ne fork of Sycamore Creek; Mount Diablo, Inner Black Hills Comment
  UC886639  Pedicularis densiflora Alice Eastwood 1922-3-17 11084 Contra Costa Mount Diablo Comment
  POM161363  Pediomelum californicum Rimo Bacigalupi 1926-4-30 1348 Contra Costa Summit of Mt Diablo. Comment
  POM300699  Pediomelum californicum Mary L. Bowerman 1935-6-1 3114 Contra Costa Summit, between the one-way roads. Comment
  JEPS112051  Pellaea andromedifolia A. G. Murdock 2004-4-30 247 Contra Costa Franklin Canyon - McHarry Ranch Rd 126 Comment
  POM224482  Penstemon centranthifolius L. S. Rose 1936-4-24 36158 Contra Costa 3 mi E of Antioch. 15 Comment
  SD108312  Penstemon centranthifolius Robert Doyle 1980-9-14 3879 Contra Costa quarry on Lime Ridge, north end, south of Ygnacio Valley Road between Walnut Creek and Concord Comment
  UCD124222  Penstemon heterophyllus P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  POM14652  Penstemon heterophyllus subsp. purdyi C. F. Baker 1903-4-28 2872 Contra Costa Marsh Creek, Mt. Diablo. Comment
  UC1481542  Penstemon heterophyllus var. purdyi Neil Havlik 1980-6-26 941 Contra Costa e side of Siesta Valley in a small ravine e side of Siesta Valley Comment
  UCD124286  Penstemon laetus Terri Williamson 1990-6-2 88 Contra Costa 212 Poshard Street, Pleasant Hill. (Original collected in Tehachapi Mountains, Hwy/. 58 Kern County). 274 Comment
  UC831505  Pentachaeta alsinoides Lewis S. Rose 1940-4-30 40251 Contra Costa 5 mi e Clayton; Marsh Creek 60 Comment
  CHSC21633  Pentagramma triangularis Willis Ball 1975-3-9 490 Contra Costa In area #8. Ca. 560 yds sw of main parking lot ca. 800 yds w of Contra Loma Blvd. 137 Comment
  SEINET12315987  Pentagramma triangularis M. T. Doutt 1930-1 98 Contra Costa Marsh Creek Comment
  UCD137784  Pentagramma triangularis Herbert L. Mason 1924-11-23 1163 Contra Costa Las Trampas Ridge via Cashion. Comment
  UC399585  Pentagramma triangularis subsp. triangularis Ivar Tidestrom June 1895 Contra Costa Crockett Comment
  UC1354307  Perideridia californica T. I. Chuang, L. R. Heckard and R. Bacigalupi 1968-4-27 6437 Contra Costa Deer Flat Mt. Diablo Comment
  UC691888  Perideridia californica Mary L. Bowerman 1935-5-25 3075 Contra Costa Rhine Canyon Mount Diablo (gully bottom at top of rock gorge) 923 Comment
  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-BC418831  Persicaria hydropiperoides Virginia I. Dains; Walter Knight 1986-8-8 5473 Contra Costa Jct Rock S1 & Werner Cut Comment
  UC2027910  Persicaria maculosa Barbara Ertter 2000-9-30 17530 Contra Costa Diablo Foothills Regional Park, Stage Road in Pine Canyon above dry flood control dam. Comment
  CAS-BOT-BC419325  Persicaria punctata Walter Knight; Joanne Dean 1978-8-14 3179 Contra Costa Browns Island Comment
  UC2062630  Persicaria punctata Barbara Ertter 2005-8-15 18627 Contra Costa East side of Contra Loma Reservoir south Antioch. Comment
  CDA9188  Petrorhagia dubia Christopher Thayer 1995-6-5 s.n. Contra Costa Carquinez Strait; W of Pinole Peak. Comment
  UC162556  Phacelia breweri H. M. Hall 1901-4-5 1748 Contra Costa Mt. Diablo Region of San Francisco Bay 853 Comment
  UC198967  Phacelia breweri H. M. Hall and F. M. Essig 1916-5-31 10140 Contra Costa slopes s summit (type locality); Mount Diablo 1130 Comment
  UC24302 Image available Phacelia breweri W. H. Brewer 1862-5-7 1058 Contra Costa summit Monte Diablo; summit of Mt. Diablo Comment
  POM118167  Phacelia breweri H. M. Hall, F. M. Essig 1916-5-31 10140 Contra Costa Mount Diablo, south of the summit. 1130 Comment
  POM65782  Phacelia breweri Herbert McLean Evans 1921-4-30 s.n. Contra Costa Mt. Diablo. Comment
  JEPS2225  Phacelia californica W. L. Jepson 1896-5-31 21044 Contra Costa Gum Grove Reservoir to Wild Cat Creek; Berkeley Hills Comment
  UC1618347  Phacelia californica Barbara Ertter, Chris Thayer 1993-5-7 11708 Contra Costa ca. 0.5 mi. n. Vollmer (=Bald) Peak (in EBMUD land e. of Tilden Park, just below ridge) 457 Comment
  UC672385  Phacelia californica Herbert L. Mason 1928-4-13 4300 Contra Costa cliffs facing Bay Richmond Comment
  RSA42303  Phacelia californica Lincoln Constance 1940-3-16 2524 Contra Costa Margin of San Francisco Bay, Point Richmond. 15 Comment
  UC24322  Phacelia ciliata var. ciliata J. Burtt Davy 1895-4-7 958 Contra Costa Antioch Comment
  UC107400  Phacelia distans T. S. Brandegee May 1889 Contra Costa Byron Springs Comment
  UC107401  Phacelia distans T. S. Brandegee May 1889 Contra Costa Antioch Comment
  UC56706  Phacelia distans Harley P. Chandler 1901-4-5 967 Contra Costa Mt. Diablo Comment
  RSA74783  Phacelia distans F. W. Peirson 1923-7-1 5302 Contra Costa Near summit of Mt. Diablo. Comment
  UC691696  Phacelia imbricata subsp. imbricata Mary L. Bowerman 1934-4-21 2543 Contra Costa knoll e Pioneer Camp; Mount Diablo Comment
  UC2027758  Phacelia imbricata subsp. imbricata Barbara Ertter with Holly Forbes 1997-4-20 15559 Contra Costa North side of Mount Diablo, rocky outcrop north of Twin Peaks. Comment
  UC691476  Phacelia nemoralis subsp. nemoralis Mary L. Bowerman 1934-4-21 2537 Contra Costa Muir Area Mount Diablo Comment
  CAS-BOT-BC154336  Phacelia phacelioides Mary L. Bowerman 1935-5-8 2974 Contra Costa Mount Diablo. Muir Area 1036 Comment
  CDA40455  Phacelia tanacetifolia D. G. Kelch 2004-4-3 4 .056 Contra Costa Carquinez Strait Region; Crockett-Tormey Headlands, west of the I-80 and Cummings Skyway junction. Comment
  CHSC21625  Phacelia tanacetifolia Willis Ball 1975-3-26 513 Contra Costa Contra Loma Regional Park. In area #3. Beside trail immediately 25 yds sw of dam. 33 Comment
  SEINET3158353  Phacelia tanacetifolia L. S. Rose 1933-4-17 33091 Contra Costa Antioch Comment
  UC24487  Phacelia tanacetifolia J. Burtt Davy 1895-4-7 952 Contra Costa Antioch Comment
Read comments
Jul 7 2013
  JEPS70598  Phalaris lemmonii W. L. Jepson 1929-4-29 15188 Contra Costa in the railroad right-of-way near Byron Comment
  POM181445  Phalaris lemmonii I. L. Wiggins 1930-4-7 4583 Contra Costa 1/4 mile S of Byron Comment
  UC650564  Phalaris lemmonii Ira L. Wiggins 1930-4-17 4583 Contra Costa 1/4 mi s Byron Comment
  UC50714  Phalaris minor J. Burtt Davy 1898-4-7 4258 Contra Costa Danville; Region of Mount Diablo, Danville Comment
  UCD89059  Phalaris minor Katharine Brandegee 1916-5-8 s.n. Contra Costa Byron Springs. Comment
  CAS-BOT-BC265959  Phalaris minor R. E. Frenkel 1964-4-29 462 Contra Costa 0.2 mile west of Bixler Road on Balfour Road 6 Comment
  CDA15237  Phalaris paradoxa G. F. Hrusa, D. Crowe 1998-5-8 14368 Contra Costa Sacramento Delta; Disturbed areas about annual grasslands on Dow Chemical property at Pittsburg. Annual, to 1.5 meters tall. Comment
  JEPS127665  Phalaris paradoxa Barbara Ertter with David Gowen and Michael Park 2017-5-2 22809 Contra Costa West Marsh Creek State Park (former Cowell Ranch) SW of Brentwood, Briones Valley east of Deer Valley Road. Comment
  UC768491  Phalaris paradoxa R. F. Hoover 1937-5-14 2123 Contra Costa Byron Hot Springs Comment
  UCD89357  Phalaris paradoxa Katharine Brandegee 1916-5-8 s.n. Contra Costa Byron Springs. 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
  CAS-BOT-BC222492  Pholistoma auritum var. auritum Mary L. Bowerman 1931-4-18 722 Contra Costa Mount Diablo. Sycamore Canyon 365 Comment
  UC1818974  Phoradendron macrophyllum Barbara Ertter, Lisa Schultheis, Laura Fujii 1995-12-30 14544 Contra Costa Mount Diablo, road to Black Hawk Ridge, open buckeye woodland on north side of ridge. Comment
  JEPS111927  Phoradendron serotinum subsp. tomentosum Dean G. Kelch and Andrew G. Murdock DGK 05 .035 Contra Costa Martinez - Franklin Hills. Carq. Shoreline EBRP. Contra Costa County CA. West of Martinez High School. Comment
  JEPS87901  Phoradendron villosum Barbara Ertter, Lynne Hosley 1992-8-29 11264 Contra Costa e Mt. Diablo (Morgan Territory Regional Preserve, along Condor Trail); Morgan Territory Regional Preserve Comment
  UC1618238  Phoradendron villosum Barbara Ertter, Lynne Hosley 1992-8-29 11264 Contra Costa e Mt. Diablo (Morgan Territory Regional Preserve, along Condor Trail); Morgan Territory Regional Preserve Comment
  UC6098  Phoradendron villosum W. C. Blasdale 1891-3-7 Contra Costa San Pablo Creek Comment
Read comments
May 25 2011
  JEPS87911  Phragmites australis Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, and Amy Hiss 1991-8-18 10707 Contra Costa n Pittsburg (near confluence of Sacramento and San Joaquin Rivers, opposite Pittsburg Marina, near w end of <Browns> Island); Browns Island Comment
  POM181424  Phragmites australis I. L. Wiggins 1930-4-18 4588 Contra Costa Jersey Island Comment
  UC1051055  Phygelius capensis N. Floy Bracelin 1942-12-6 2333 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California 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
  JEPS55997  Pickeringia montana L. R. Heckard and R. Bacigalupi 1968-6-27 Contra Costa n.e. Deer Flat (Bald Ridge, Mt. Diablo); Mt. Diablo, Bald Ridge 670 Comment
  JEPS65576  Pickeringia montana var. montana W. L. Jepson 1918-6-3 7574 Contra Costa Donner Canyon Mt. Diablo 533 Comment
  POM16711  Pickeringia montana var. montana A. D. E. Elmer 1903-05 4315 Contra Costa Mount Diablo Comment
  CDA39576  Picrasma quassioides E. Dean, Petra Unger 2005-7-19 2700 Contra Costa Contra Costa Water District land, Byron Tract, just south of Highway 4, along Old River, on east bank. 0 Comment
  JEPS47895  Pinus attenuata W. L. Jepson 1923-4-22 9876 Contra Costa Mt. Diablo Mt. Diablo (rocky ridge in chaparral) Comment
  SBBG336  Pinus attenuata J. M. Tucker 1941-9-26 411 Contra Costa summit of Moraga Ridge 500 Comment
Read comments
Sep 13 2011
  UC692077  Pinus attenuata Mary L. Bowerman 1932-3-20 1121 Contra Costa ne fork, toward top of middle ridge Sycamore Canyon Comment
  CAS-BOT-BC78543  Pinus coulteri J. W. Congdon 1894-10-16 s.n. Contra Costa Mt. Diablo Comment
  UC40358  Pinus coulteri J. G. Lemmon Contra Costa Mitchell Canyon Mt. Diablo Comment
  UC2028646  Pinus halepensis Barbara Ertter 2001-3-18 17564 Contra Costa Shell Ridge Open Space SW of Walnut Creek, around Muir Reservoir tank at north end of main ridge Comment
  UC1051358  Pinus muricata N. Floy Bracelin 1941-10-19 1713 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  UC1061678  Pinus muricata N. Floy Bracelin 1941-10-19 1713 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC907503  Pinus pinea Walter S. Malloch 1950-6-21 Contra Costa Lakewood subdivision Walnut Creek Comment
  CAS-BOT-BC72777  Pinus sabiniana L. R. Abrams 1921-5-25 8057 Contra Costa Near summit of Mt. Diablo Comment
  CDA28753  Pinus sabiniana S. M. Blank 2007-4-7 Z 16 /07 Contra Costa Sacramento Valley; Mount Diablo State Park, Summit Road. Comment
  UC1200775  Pinus thunbergii L. R. Wright 1960-3-10 Contra Costa near Bryant Reservoir <Briones?>; Orinda Comment
  UC1818972  Piperia michaelii Barbara Ertter, M. L. Bowerman, L. Schultheis, Kevin Hintsa 14536 Contra Costa Three Springs Trail on northeast side of Mt. Diablo, in woods above ranch, north-facing slope. Comment
  CDA32621  Piptatherum miliaceum A. G. Murdock, D. G. Kelch 2004-6-4 316 Contra Costa Carquinez Strait Region; Martinez - Train Station. Comment
  JEPS127046  Plagiobothrys Lowell Ahart, Josephine Guardino 2016-4-19 20770 Contra Costa 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Springs USGS 7.5' Quad. Comment
  UC1614071  Plagiobothrys Charles M. Belshaw 1935-6-24 780 Contra Costa 1/2 mi e of Grizzly Peak (n face of Bald Peak); Bald Peak Comment
  JEPS25356  Plagiobothrys acanthocarpus Rimo Bacigalupi with Paul C. Hutchison and John Weiler 1959-3-19 6966 Contra Costa 1 mi se Byron (fields e of Byron rd) 6 Comment
  JEPS68955  Plagiobothrys acanthocarpus Edward Lee 1935-3-10 1287 Contra Costa Kirker Pass, Donovan Road, w watershed of Kirker Creek Kirker Pass; , Donovan Road Comment
  JEPS73694  Plagiobothrys acanthocarpus L. R. Heckard with Wm. Hirano and Ted Niehaus 1968-3-5 1763 Contra Costa along Byron-Bethany road about 3 mi se Byron (at junction of Holey Road, between railroad and hwy) 7 Comment
  UC1950231  Plagiobothrys acanthocarpus Barbara Ertter 1992-3-8 10911 Contra Costa Contra Loma Regional Park; flat NE of bend in Frederickson Lane Comment
  JEPS111848  Plagiobothrys bracteatus D. G. Kelch 2005-3-25 05 .93 Contra Costa Fernandez Ranch Fernandez Ranch. West of Christie Road. South of I-4 (behind golf course) and North of Pinole Peak 80 Comment
  SBBG28847  Plagiobothrys bracteatus J. T. Howell 1933-5-14 11232 Contra Costa St Mary's College Comment
  UC517459  Plagiobothrys bracteatus John Thomas Howell 1933-5-14 11232 Contra Costa St. Mary's College Comment
  SEINET12343274  Plagiobothrys bracteatus Ottley 1920-4-25 448 Contra Costa entrance to Mitchell Canon, Mt. Diablo 198 Comment
  SBBG28860  Plagiobothrys canescens L. S. Rose 1933-3-29 33046 Contra Costa Pittsburg Comment
  UC517994  Plagiobothrys canescens Lewis S. Rose 1933-3-29 33046 Contra Costa Pittsburg Comment
  JEPS111828  Plagiobothrys fulvus D. G. Kelch 2005-4-24 05 .172 Contra Costa Franklin Canyon Franklin Canyon, Contra Costa County, CA. Collier Hill. West Carbon 60 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
  CHSC67185  Plagiobothrys humistratus James D. Jokerst 1991-3-28 3228 Contra Costa Kellogg Watershed Inundation Zone at enclosure at 'The Windmills,' N of Livermore. Comment
  JEPS116917  Plagiobothrys humistratus David Gowen, Chris Thayer 2009-4-6 983 Contra Costa Cowell Ranch west of dam. Comment
  JEPS68066  Plagiobothrys nothofulvus W. L. Jepson 1887-4-12 21155 Contra Costa Moraga Moraga Valley Comment
  JEPS99571  Plagiobothrys nothofulvus Mary Bowerman 1991-5-21 Contra Costa Mount Diablo, by Jim White Trail [Deer Flat Rd.] Comment
  UC691404  Plagiobothrys nothofulvus Mary L. Bowerman 1931-4-4 630 Contra Costa 2 mi from Mount Diablo west road (= North Rd.) entrance; Mount Diablo 259 Comment
  UC79381  Plagiobothrys stipitatus var. micranthus Katharine Brandegee Apr 1889 Contra Costa Byron Comment
  SD211568  Plagiobothrys stipitatus var. micranthus Barbara Ertter, Jim Jokerst and Dave Magney 1989-4-5 8126 Contra Costa Alkalai sink West and adjacent to Clifton Court Forebay, circa 15 airmiles Southwest of Stockton Comment
  UC1618197  Plagiobothrys stipitatus var. stipitatus Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8120 Contra Costa ca. 15 air mi. s.w. Stockton (w. & adjacent to Clifton Court Forebay); s.e. Contra Costa Co. Comment
  UC78204  Plagiobothrys stipitatus var. stipitatus K. Brandegee 1889-5-1 Contra Costa Antioch Comment
  RSA128482  Plagiobothrys trachycarpus Robert F. Hoover 1941-4-12 4840 Contra Costa 1 mile N of Lone Tree Valley. Comment
  RSA523620  Plantago bigelovii subsp. bigelovii S. Galen Smith, R. C. Bacigalupi 1957-4-28 2851 Contra Costa 1 mile S of Byron. Comment
  JEPS24312  Plantago elongata S. G. Smith 1957-4-28 2851 Contra Costa 1 mi s Byron Comment
  UC1314970  Plantago elongata R. F. Hoover 1967-4-28 10516 a Contra Costa Byron Hot Springs Comment
  UC28002  Plantago elongata J. Burtt Davy 1900-3-24 6522 Contra Costa near Stege Comment
  UC2032844 Image available Plantago erecta Doran, Andrew Scott 2012-3-20 715 Contra Costa Trail down from highest point of Brooks Island. South east part of Island. Comment
  UC1950198  Plantago erecta Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8141 Contra Costa sink W and adjacent to Clifton Court Forebay, ca 15 airmiles SW of Stockton Comment
  JEPS99965  Plantago lanceolata G. Smick 2003-5-30 GAS 203 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC2028486  Plantago lanceolata Barbara Ertter 1998-5-3 16046 Contra Costa Pine Canyon/Stage Road upstream from Dusty Road junction, southwest flank of Mount Diablo Comment
  JEPS111995  Plantago major D. G. Kelch 2003-8-13 03 .115 Contra Costa Martinez Marsh 1 Comment
  UC28022  Plantago maritima var. juncoides Jos. Burtt Davy 1900-6-7 6670 Contra Costa near Martinez Comment
  JEPS112003  Platanus racemosa D. G. Kelch 2004-4-25 04 .106 Contra Costa Arroyo del Hambre Along Alhambra Creek in Martinez 74 Comment
  JEPS40297  Platanus racemosa F. W. Bancroft Oct. 1894 Contra Costa Walnut Creek Comment
  UC101599  Platystemon californicus Katharine Brandegee 1907-5-5 a Contra Costa between Antioch and Marsh Creek; between Antioch and Marsh Creek Comment
  CAS-BOT-BC91599  Platystemon californicus Mary L. Bowerman 1932-3-23 1133 Contra Costa Mount Diablo. Overlooking Donner Canyon. 304 Comment
  UC101590  Platystemon californicus Katharine Brandegee 1907-5-5 i Contra Costa between Antioch and Marsh Creek (Judsonville) (300 yds along a sandy road back of oldest Coal Mine); between Antioch and Marsh Creek (Judsonville) Comment
  UC101591  Platystemon californicus Katharine Brandegee 1907-5-5 h Contra Costa between Antioch and Marsh Creek (along a sandy road back of old Coal Mine); between Antioch and Marsh Creek Comment
  UC50152  Platystemon californicus W. H. Brewer 1862-5-15 1095 Contra Costa Kirker's Pass Diablo Mountain (Diablo Mountain); , Kirker's Pass Comment
  POM203638  Platystemon californicus var. californicus J. T. Howell 1933-5-14 11277 Contra Costa Hills east of St. Mary's college Comment
  JEPS6155  Plectritis brachystemon L. T. Dempster 1954-5-29 P 14 Contra Costa Orinda, Canyon Drive Orinda; , Canyon Drive Comment
  UC55888  Plectritis macrocera H. M. Hall 1900-3-23 Contra Costa San Francisco Bay Region, San Pablo Creek San Pablo Creek; San Francisco Bay Region, San Pablo Creek Comment
  UC691524  Plectritis macrocera Mary L. Bowerman 1931-4-25 784 Contra Costa summit of Mount Diablo Mount Diablo Comment
  POM59719  Plectritis macrocera C. F. Baker 1903-4-28 2813 Contra Costa Mitchell's Canyon, Mt. Diablo. Comment
  UC1100419  Pleuropogon californicus Peter Kamb, Francia Chisaki, Galen Smith 1951-4-14 1978 Contra Costa 7 mi n of Walnut Creek (0.2 mi s of junction of highways 4 and 21) 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
  UCD90183  Pleuropogon californicus R. Tofsrud 1946-4-1 s.n. Contra Costa 1/2 mile south of Pacheco Comment
  OBI22108  Pleuropogon californicus Peter H. Raven, G. Thomas Robbins 1956-4-28 9042 Contra Costa Just E of jctn to Martinez along State hwy 4 Comment
  CAS-BOT-BC260942  Pleuropogon californicus var. californicus W. H. Brewer 1862-5-1 1043 Contra Costa Walnut Creek Comment
  JEPS111733  Pluchea odorata var. odorata D. G. Kelch 2004-9-2 04 .334 Contra Costa Pacheco Marsh east of Martinez and I-680 and east of lone tree Marsh 5 Comment
  JEPS40446  Pluchea odorata var. odorata R. F. Hoover 1937-8-31 2703 Contra Costa Avon Comment
  JEPS78623  Pluchea odorata var. odorata Walter Knight, L. R. Heckard and Bert Johnson 1978-9-28 3284 Contra Costa Browns Island, Botany Cove Comment
  UCD159502  Pluchea odorata var. odorata D. S. Park 2010-9-11 251 -1 Contra Costa Waterfront Rd. Growing in ditch along roadside. Disturbed. Wet. 5 Comment
  CHSC21644  Poa annua Willis Ball 1975-3-2 471 Contra Costa Contra Loma Regional Park. In area #1. At w end of main parking lot at s end of lake. 36 Comment
  SEINET10593459  Poa annua Alan A. Beetle 1942-3-22 Beetle 2926 Contra Costa Brooks Island, San Francisco Bay, near Richmond. Comment
  UC2027749  Poa annua Barbara Ertter 1996-11-24 15424 Contra Costa West side of Mount Diablo, Pine Pond along Stage Road in Pine Canyon. Comment
  UC1618191  Poa bulbosa Barbara Ertter, Lynne Hosley 1993-4-17 11507 Contra Costa ca. 10 air mi. n. Livermore (hills in lee of Mt. Diablo, e. side open meadow along Blue Oak trail, Morgan Territory); Morgan Territory 609 Comment
  CDA33806  Poa howellii D. G. Kelch, Abigail Moore, Michael Park, Troy 2010-5-15 10 .109 Contra Costa Mt. Diablo. Trail from Prospector s Gap to Lower Summit parking lot. 0 Comment
  JEPS71285  Poa secunda W. L. Jepson 1925-4-26 10687 Contra Costa Black Hills Mt Diablo Comment
  RSA484219  Poa secunda A. A. Beetle 1941-3-23 1713 Contra Costa 1 mile east of St. Mary's College 183 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-BC236387  Poa secunda subsp. secunda Mary L. Bowerman 1935-4-19 2859 Contra Costa Mount Diablo. Near Turtle Rock, hillside on opposite side of the road 457 Comment
  CDA32646  Poa secunda subsp. secunda A. A. Beetle 1941-3-28 1721 Contra Costa Orinda 0 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
  UC971696  Pogogyne douglasii Leo Koch 1940-6-5 1002 Contra Costa along railroad tracks, saline flat two miles south fo San Rafael ferry dock Comment
  RSA0068483  Pogogyne serpylloides Katie Gallagher, Nick Jensen 2014-4-26 192 Contra Costa Las Trampas Regional Wilderness. 396 Comment
  UC2028029  Pogogyne serpylloides Barbara Ertter 1997-9-14 15803 Contra Costa WSW base of Mount Diablo, along creek at fence line between Pine Ridge and lower Wall Point Road from Macedo Ranch. Comment
  UC762113  Pogogyne zizyphoroides R. F. Hoover 1941-4-12 4842 Contra Costa 2 miles S of Antioch Comment
  JEPS76288  Polygonum amphibium var. emersum W. L. Jepson 1944-7-23 27538 Contra Costa w side of valley near Moraga Pass; Moraga Valley Comment
  POM300597  Polygonum amphibium var. stipulaceum Mary L. Bowerman 1935-7-22 3185 Contra Costa Hidden Pond. 518 Comment
  UCD77933  Polygonum argyrocoleon Robert E. Preston 2002-6-26 1890 Contra Costa Ca. 0.75 mi S of Werner, W of Werner Dredger Cut, in field 0 Comment
  CDA9497  Polygonum aviculare D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .222 Contra Costa Byron Airport. Comment
  POM181450  Polygonum aviculare I. L. Wiggins 1930-4-18 4612 Contra Costa East end of Jersey Island. Comment
  CDA1502  Polygonum ramosissimum var. ramosissimum D. G. Kelch 1996-10-17 s.n. Contra Costa Carquinez Strait; Pt Edith Marsh Comment
  UC1478303  Polypodium Alan R. Smith with Tom Lemieux 1981-11-19 825 Contra Costa n slope Mt. Diablo (creekside ravine along North Gate Rd, 3.6 mi w of (below) Park HQ (South Gate Rd. junction)); Mt. Diablo State Park 640 Comment
  RSA309337  Polypodium californicum Edward Lee, C. Belshaw 1935-12-28 1706 Contra Costa Southwest-facing slope, Las Trampas Ridge, Las Trampas Peak 442 Comment
  JEPS112031  Polypodium calirhiza A. G. Murdock 2003-2-21 71 Contra Costa Mt. Wanda - Martinez Edge of oak woodland on top of north-facing hill above train tunnel on Mt. Wanda 90 Comment
  UC2032825  Polypodium calirhiza Doran, Andrew Scott 2012-3-20 695 Contra Costa North end of Brooks Island along ridge overlooking artificial spit, southwest of caretakers residence. Comment
  UCR254829  Polypogon Peter Rubtzoff 1968-9-18 5965 Contra Costa North Gate Road, c. 5 miles NW of Mt. Diablo State Park north entrance 58 Comment
  CAS-BOT-BC233017  Polypogon interruptus L. R. Abrams 1916-6-30 5714 Contra Costa Mount Diablo, near lake Comment
  CDA32661  Polypogon monspeliensis D. G. Kelch, Andrew G. Murdock 2004-4-26 4 .135 Contra Costa Carquinez Strait Region; Pt. Pinole. Comment
  UCD91279  Polypogon monspeliensis Beecher Crampton 1956-5-14 3412 Contra Costa 1 mile east of Pacheco, Buchanan Field. Comment
  UCD91299  Polypogon monspeliensis Beecher Crampton 1959-9-3 5453 Contra Costa Contra Costa County, 2 miles north of city of Orinda, Bear Creek. 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
  RSA693322  Polystichum munitum Mark Morris 1929-03 s.n. Contra Costa Mt. Diablo. Comment
  UC2028534  Potamogeton foliosus Barbara Ertter 2000-9-30 17531 Contra Costa West side Mount Diablo, pond on China Wall Road ca 1/2 mile NW of Macedo Ranch staging area. Comment
  CDA43052  Potamogeton richardsonii D. Kratville & F. Maly 2014-7-9 s.n. Contra Costa Clifton Court Forebay. 0 Comment
  JEPS112077  Potentilla anserina subsp. pacifica D. G. Kelch 2003-8-13 03 .107 Contra Costa Martinez Marsh 0 Comment
  CAS-BOT-BC143056  Potentilla anserina subsp. pacifica Walter Knight; J. Dean; B. Mortensen; R. Bensler; B. Atwater 1959-4-13 3361 Contra Costa Botany Cove. Brown's Island Comment
  JEPS84884  Proboscidea lutea G. Thomas Robbins 1959-8-1 4114 Contra Costa roadside berm of frontage road just s Mt. Diablo Blvd. ((about 0.5 mi e of concrete bridge at Charles Hill and about 0.2 mi w of jct. of Hidden Valley Rd.), 2 mi w of Lafayette) 144 Comment
  JEPS111535  Prunus cerasifera D. G. Kelch 2005-5-6 05 .219 Contra Costa Franklin Canyon East of Christie Road. South of Route 4.. 127 Comment
  UC691157  Prunus subcordata Mary L. Bowerman 1931-4-5 674 Contra Costa between rocky point below Gregory Ranch and road below Mount Diablo Comment
  JEPS111725  Pseudognaphalium beneolens D. G. Kelch 2004-7-9 04 .304 Contra Costa Martinez - West: Ozol Rock and Scenic Drive; Martinez along Alhambra Drive 3 Comment
  UC2028511  Pseudognaphalium beneolens Barbara Ertter 1996-11-24 15414 Contra Costa Southwest side of Mount Diablo, Wall Point Road across Pine Ridge ca 1/2 airmiles ENE of Macedo Ranch Comment
  UCD35161  Pseudognaphalium beneolens Beecher Crampton 1950-7-29 624 Contra Costa Waste ground along Sante Fe R.R., 1 mile north of Richmond. Comment
  UC691825  Pseudognaphalium californicum Mary L. Bowerman 1930-6-18 340 Contra Costa Dan Cook Canyon 289 Comment
  CHSC116623  Pseudognaphalium luteoalbum Lowell Ahart; Josephine Guardino 2016-4-19 20767 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. Below the high water line of Los Vaqueros Reservoir, 1.4 miles northwest of Los Vaqueros Reservoir Marina, 1.9 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 144 Comment
  UC1795766  Pseudognaphalium luteoalbum Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14228 Contra Costa South side Mount Diablo, Sheepherder Springs complex 1/2 mile north of Curry Point, wet ground in grassland. 487 Comment
  JEPS95763  Pseudognaphalium stramineum Dianne Lake 1999-7-9 Contra Costa along S side of road coming up from middle of golf course Franklin Canyon; Hercules 121 Comment
  SEINET3875503  Pseudotsuga menziesii Michael R. Tansey 1963-2-15 2 Contra Costa North end of Jewel Lake in Tilden Regional Park, California.; 0 152 Comment
  UC177451  Psilocarphus brevissimus var. brevissimus Brandegee May 1886 Contra Costa Antioch Comment
  CDA29229  Psilocarphus tenellus D. G. Kelch 2005-5-13 05 .272-D Contra Costa Carquinez Strait; Above and west of Edwards Canyon, nr Crockett. Comment
  JEPS111756  Psilocarphus tenellus D. G. Kelch 2005-5-1 05 .204 Contra Costa Crockett - Edwards Canyon 100 Comment
  UC694145  Psilocarphus tenellus H. L. Mason 1932-4-24 6964 Contra Costa Marsh Creek Road Comment
  CAS-BOT-BC361877  Psilocarphus tenellus E. M. Zeile 1924-5-4 s.n. Contra Costa Hills above Walnut Creek Comment
  UC35752  Psilocarphus tenellus W. H. Brewer 1862-5-26 1165 Contra Costa canyon near Mount Diablo Comment
  CAS-BOT-BC148629  Ptelea crenulata Alice Eastwood 1897-5-31 s.n. Contra Costa Mount Diablo Comment
  CAS-BOT-BC148638  Ptelea crenulata Edw. L. Greene 1886-5-24 s.n. Contra Costa Mt. Diablo Comment
  JEPS97553  Ptelea crenulata R. D. Stone 1985-3-15 657 Contra Costa Souza Ranch Byron (hills dividing the Kellogg and Brushy Creek drainages; ca. 5 mi SW of) 259 Comment
  SD70002  Ptelea crenulata Darley Howe 1968-5-20 Contra Costa Nortonville Comment
  SJSU758  Ptelea crenulata C. D. Duncan 1942-4-26 Contra Costa lower E slope, Mt Diablo Comment
  UC1614255  Ptelea crenulata Charles M. Belshaw 1935-6-10 696 Contra Costa Morgan Territory Rd. Comment
  UC571102  Ptelea crenulata H. L. Mason 1928-4-1 4269 Contra Costa n of Mt. Diablo (canyon back of Antioch hills) Comment
  UC692575  Ptelea crenulata Mary L. Bowerman 1930-6-22 357 Contra Costa Mitchell Canyon; Mount Diablo Comment
  CAS-BOT-BC148646  Ptelea crenulata Volney Rattan; Dr. Mary Curran 188 s.n. Contra Costa Unspecified Comment
  UC2062673  Ptelea crenulata Barbara Ertter 2005-11-6 18655 Contra Costa Mount Diablo State Park, road between Deer Flat and Deer Flat Creek crossing. Comment
  UC73566  Ptelea crenulata Milo S. Baker 1904-6-22 Contra Costa Mt. Diablo; above Walker's Comment
  CAS-BOT-BC76619  Pteridium aquilinum Mary L. Bowerman 1930-8-24 426 Contra Costa Mount Diablo - Mitchell Canyon, lower trail (west of stream) 259 Comment
  UC6916  Pterostegia drymarioides W. L. Jepson 1891-5-23 Contra Costa Mt. Diablo Comment
  UCSC009992  Quercus Al Keuter 2014-5-23 00 097 B Contra Costa Along Reliez Valley Road, Lafayette 72 Comment
  UC691317  Quercus X morehus Mary L. Bowerman 1933-6-14 2278 Contra Costa Inner Black Hills, w of 1970 Mount Diablo Comment
  CAS-BOT-BC45657  Quercus agrifolia John Thomas Howell 1926-12-27 2274 Contra Costa Near Oakley Comment
  CAS-BOT-BC45661  Quercus agrifolia Mary L. Bowerman 1933-4-22 1905 Contra Costa Curry-Cave Point trail: By water-trough, Mount Diablo 457 Comment
  JEPS111960  Quercus agrifolia D. G. Kelch 2004-3-12 04 .16 Contra Costa Crockett - West Valona 1 km west of Carquinez bridge. Hill above San Pablo Road 87 Comment
  UC1748013  Quercus agrifolia E. Dean with B. Ertter, J. M. Tucker, K. Chaney 2000-9-13 652 Contra Costa El Sobrante Ridge, upslope of the terminus of Heavenly Ridge Rd., S of jct of Heavenly Ridge Trail and Manzanita Trail El Sobrante (overlooking city of El Sobrante) 213 Comment
  UC5476  Quercus agrifolia State Survey 1862-5-12 1079 Contra Costa 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
  UC691295  Quercus berberidifolia Mary L. Bowerman 1933-6-21 2341 Contra Costa Median Ridge (Donner Canyon) Mount Diablo Comment
  RSA0041717  Quercus berberidifolia Mary L. Bowerman 1930-10-19 490 Contra Costa South road at Garden-of-the-Gods (Fossil Ridge). Comment
  UC691275  Quercus chrysolepis Mary L. Bowerman 1930-10-25 496 Contra Costa Sloan Road Mount Diablo Comment
  UC691282  Quercus chrysolepis Mary L. Bowerman 1931-5-16 852 Contra Costa s side Meridian Peak summit; Mount Diablo Comment
  CAS-BOT-BC86644  Quercus douglasii Alice Eastwood 1923-5-14 11813 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC86647  Quercus douglasii L. R. Abrams 1910-10-8 4347 Contra Costa Mt. Diablo 762 Comment
  JEPS100000  Quercus douglasii S. O'Neil 2003-3-11 SEO 16 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC1135448  Quercus douglasii R. W. Lundh 1932-8-17 131 Contra Costa 1 mi e Round Valley; Mt. Diablo Quad. 518 Comment
  UC691283  Quercus douglasii Mary L. Bowerman 1930-6-3 223 Contra Costa 1.9 mi from West road (= North Rd.) entrance; Mount Diablo Comment
  UC691298  Quercus douglasii Mary L. Bowerman 1930-9-9 457 Contra Costa ne side North Peak; Mount Diablo Comment
  CDA1330  Quercus kelloggii D. G. Kelch 2004-9-2 04 .330-B Contra Costa Carquinez Strait; Franklin Canyon, along McHarry Ranch Rd. Comment
Read comments
Mar 11 2011
  UC2028550  Quercus kelloggii Barbara Ertter 1997-9-14 15813 Contra Costa Southwest side of Mount Diablo, Secret Trail at head of Pine Canyon Comment
  JEPS111962  Quercus lobata D. G. Kelch 2004-4-3 04 .50 Contra Costa Ridge east of Martinez - Vine Hill. West of 680. North of highway 4. 44 Comment
  UCD47071  Quercus palmeri J. M. Tucker 1981-4-25 4453 D Contra Costa California, Contra Costa County: Antonio Souza Ranch southwest of Byron (extended Section NW quarter Sec. 31, R3E, T1S, Mt. Diablo Meridian). 309 Comment
  UC1748015  Quercus parvula var. shrevei E. Dean with B. Ertter, J. M. Tucker, K. Chaney 2000-9-13 650 Contra Costa El Sobrante Ridge, upslope of the terminus of Heavenly Ridge Rd., jct of Heavenly Ridge Trail and Manzanita Trail El Sobrante 213 Comment
  CAS-BOT-BC104715  Quercus wislizeni H. E. McMinn s.n. Contra Costa near summit of Mt. Diablo Comment
  UC691307  Quercus wislizeni Mary L. Bowerman 1931-10-5 1056 Contra Costa ridge e Rhine Canyon (about halfway-up slope, on spur at s end of ridge (also next canyon to e, which enters Curry Canyon at gate to Olafsons' ranch); Mount Diablo 487 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
  CAS-BOT-BC362442  Rafinesquia californica Mary L. Bowerman 1931-4-25 764 Contra Costa Mount Diablo. Meridian Peak ca. 3 miles by road from summit Comment
  UC1126151  Ranunculus californicus R. C. Wilson 1935-3-27 148 Contra Costa Oyster Pt. Mt. Diablo Quadrangle Comment
  UC1126165  Ranunculus californicus R. C. Wilson 1935-3-14 135 Contra Costa Sycamore Creek Mt. Diablo Quadrangle (head) Comment
  UC1196239  Ranunculus californicus J. P. Tracy 1903-4-18 1804 Contra Costa e slope of hills beyond Bald Peak; Region about San Francisco Bay, Berkeley Hills 304 Comment
  UCSB39437  Ranunculus californicus 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. 124 Comment
  UC2027716  Ranunculus canus Barbara Ertter with Stu Garrett 1997-3-29 15523 Contra Costa West side Mount Diablo, Burma Road above North Gate Road. Comment
  UC2027988  Ranunculus canus Barbara Ertter 1998-5-3 16032 Contra Costa Pine Ridge summit of Wall Point Road at southwest base of Mount Diablo. Comment
  UC9455  Ranunculus canus var. canus J. Burtt Davy 1895-4-7 925 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
  POM268451  Ranunculus canus var. laetus Lyman Benson 1935-3-16 6274 Contra Costa Mitchell Canyon near Clayton; Mt. Range: Mt. Diablo; Watershed: Walnut Creek. 244 Comment
  UC1607964  Ranunculus hebecarpus Donald G. Nelson 1937-4-29 507 Contra Costa Road from Pinole south towards Alhambra Road Pinole Comment
  POM269206  Ranunculus hebecarpus Mary L. Bowerman 1932-3-23 1130 Contra Costa Ridge E of Donner Canyon: At Saddle, in shade of Quercus Douglasii 274 Comment
  RSA14522  Ranunculus hebecarpus L. S. Rose 1934-3-21 34071 Contra Costa Marsh Creek, 6 miles E of Clayton. Comment
  UC692124  Ranunculus hebecarpus Mary L. Bowerman 1935-4-12 2807 Contra Costa North Road immediately s section 33; Mount Diablo 182 Comment
  UC692145  Ranunculus muricatus Mary L. Bowerman 1933-6-21 2342 Contra Costa edge of stream near Bilbaren Lodge (s of house, n of barn); Mount Diablo, Donner Canyon Comment
  PASA2644  Ranunculus occidentalis Annetta Carter 1929-3-31 140 Contra Costa Near Clayton Comment
  RSA0029287  Ranunculus occidentalis Barbara J. Ertter, Dan Norris 2001-4-15 17607 Contra Costa Diablo Foothills Regional Park. At east end of Alamo Trail. 213 Comment
  UC2028580  Ranunculus occidentalis Barbara Ertter with Dan Norris 2001-4-15 17607 Contra Costa Diablo Foothills Regional Park. At east end of Alamo Trail. Comment
  UC9383  Ranunculus orthorhynchus var. bloomeri J. Burtt Davy 1897-4-17 Contra Costa Point Isabel Comment
  UCD97103  Ranunculus sceleratus Mr. Nevin 1924-3-24 s.n. Contra Costa Antioch. Comment
  UC2027957  Ranunculus sceleratus Barbara Ertter with Joanne Kerbavaz 2000-8-20 17499 Contra Costa South side Mount Diablo, spring feeding Chase Pond. Comment
  JEPS100009  Raphanus raphanistrum G. Smick 2003-4-8 GAS 132 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  CAS-BOT-BC74267  Raphanus sativus Ira L. Wiggins 1930-4-18 4610 Contra Costa Jersey Island. Comment
  JEPS112063  Reseda alba D. G. Kelch 2004-4-11 04 .76 Contra Costa Crockett - Crolona Heights Hillside above Rolf Drive. Lower Crolona heights. 15 Comment
  UC692595  Rhamnus californica Mary L. Bowerman 1932-11-26 1678 Contra Costa Pepperwood Springs (by w road (=North Rd) not far from junction of roads) Mount Diablo Comment
  CDA9186  Rhamnus crocea Christopher Thayer 1995-6-5 s.n. Contra Costa Carquinez Strait; W of Pinole Peak. Comment
  UC692582  Rhamnus crocea Mary L. Bowerman 1930-6-22 360 Contra Costa Mitchell Canyon Mount Diablo Comment
  UC692583  Rhamnus crocea Mary L. Bowerman 1930-6-22 361 Contra Costa Deer Flat Mount Diablo Comment
  SEINET12210181  Rhamnus crocea var. ilicifolia M. T. Doutt 1930-1 s.n. Contra Costa Marsh Creek Comment
  CAS-BOT-BC59894  Rhamnus ilicifolia A. D. E. Elmer 1903-5-1 4326 Contra Costa Mount Diablo. Comment
  CAS-BOT-BC59897  Rhamnus ilicifolia H. E. McMinn 1922-6-2 90 Contra Costa N. slope of Mt. Diablo. Comment
  UC692598  Rhamnus tomentella subsp. tomentella Mary L. Bowerman 1933-5-21 2151 Contra Costa s of Curry Canyon (Grapevine Spring gulley, slightly above the spring); Mount Diablo Comment
  UC692602  Rhamnus tomentella subsp. tomentella Mary L. Bowerman 1933-1-7 1687 Contra Costa Perkins Canyon, by dirt road Mount Diablo Comment
  CAS-BOT-BC200697  Rhus aromatica Mary L. Bowerman 1935-5-30 3092 Contra Costa Eagle Point ridge 350 Comment
  UC466053  Ribes Tracy J. Storer 1912-7-13 Contra Costa Mt. Diablo 914 Comment
  JEPS49753  Ribes californicum Rimo Bacigalupi, and Alice Howard, and Paul Hutchison 1967-3-29 9223 Contra Costa 1/4 m above road leading to Nike Station (beside Bolinger Creek) 335 Comment
  JEPS111984  Ribes californicum var. californicum D. G. Kelch 2004-3-5 04 .12 Contra Costa Sky Ranch Dutra Fire Road. Franklin Canyon 90 Comment
  CHSC20642  Ribes divaricatum Carol C. Getzinger 1964-4-26 51 Contra Costa Wildcat Canyon Road 1.3 miles from junction with Spruce Street and Grizzly Peak Boulevard. 152 Comment
  UC2027990  Ribes divaricatum var. pubiflorum Barbara Ertter 1998-4-19 16028 Contra Costa Tilden Regional Park, Wildcat Creek Trail to Jewel Lake. Comment
  CAS-BOT-BC168917  Ribes malvaceum Mrs. E. C. Sutliffe 1920-5-30 s.n. Contra Costa Mt. Diablo Comment
  JEPS22440 Image available Ribes menziesii Mary L. Bowerman 1930-6-10 314 Contra Costa summit Mt. Diablo Comment
  JEPS97608  Ribes menziesii R. D. Stone 1981-3-23 345 Contra Costa Huckleberry Trail Oakland Hills, near Alameda-Contra Costa county line (NE of intersection of Skyline Blvd. and Snake Rd.) 396 Comment
  CAS-BOT-BC206015  Ribes menziesii Mary L. Bowerman 1931-4-19 739 Contra Costa Mount Diablo. Deer Flat Comment
  CAS-BOT-BC206019  Ribes menziesii Peter H. Raven 1956-4-8 8985 Contra Costa About 0.5 mile north-east of Grizzly Peak 396 Comment
  UC2029137  Ribes menziesii Barbara Ertter with Alan Prather 2003-6-7 18204 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo, west end Stone Corral Trail south of Highland Ridge Trail junction. Comment
  CAS-BOT-BC209361  Ribes sanguineum var. glutinosum Peter H. Raven 1950-3-5 1399 Contra Costa Redwood Canyon 152 Comment
  RSA0019062  Ribes sanguineum var. glutinosum Joseph A. Ewan 1934-3-10 8650 Contra Costa 1.5 mi. below Orinda road bridge, Wildcat Canyon. Comment
  CAS-BOT-BC362967  Rigiopappus leptocladus Alice Eastwood 1915-5-30 4486 Contra Costa Mt. Diablo Comment
  UC1598928  Rigiopappus leptocladus Mrs. K. Curran May 1883 Contra Costa Antioch Comment
  UC697165  Rigiopappus leptocladus Mary L. Bowerman 1933-5-10 2061 Contra Costa ridge at e end and s Meridian Flat; Mount Diablo 822 Comment
  RSA72859  Rigiopappus leptocladus A. Kellogg, W. G. W. Harford 1869-6-6 524 Contra Costa Summerville, Mt. Diablo. Comment
  CAS-BOT-BC74412  Rorippa curvisiliqua W. W. Carruth 1902-4-29 s.n. Contra Costa Mount Diablo. 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
  UC691057  Rorippa nasturtium-aquaticum Mary L. Bowerman 1930-6-5 244 Contra Costa West Road 5.8 mi from entrance Mount Diablo (West Road = North Road) Comment
  CAS-BOT-BC147407  Rosa californica Peter H. Raven 1957-7-5 11053 Contra Costa Point Isabel Comment
  UC555648  Rosa californica Herbert L. Mason 1924-11-23 1167 Contra Costa Cashion Canyon Las Trampas Ridge Comment
  UC691162  Rosa californica Mary L. Bowerman 1930-6-26 375 Contra Costa junction of Riggs Canyon Rd and Livermore Road; Mount Diablo Comment
  UC691163  Rosa californica Mary L. Bowerman 1931-5-13 841 Contra Costa floor of canyon 1 mi above sulphur spring; Mount Diablo, Pine Canyon Comment
  CAS-BOT-BC148106  Rosa gymnocarpa Paul F. Covel 1936-4-19 209 Contra Costa Las Trampas Canyon Comment
  CDA23621  Rosa gymnocarpa D. G. Kelch, D. A. Weinstein 2008-4-15 8 .046 Contra Costa Carquinez Strait; S Port Costa along Mckewen Rd. Comment
  UC555497  Rosa gymnocarpa Herbert L. Mason 1924-11-23 1172 Contra Costa Cashion Creek Las Trampas Ridge Comment
  UCD77977  Rubus pensilvanicus Robert E. Preston 2002-6-26 1891 Contra Costa Ca. 0.25 mi SW of Orwood, along Orwood Rd, near Old River 0 Comment
  SJSU5858  Rubus ursinus C. O. Dudley 1966-5-1 Contra Costa Reliez Valley, Briones Hills, N of Lafayette 152 Comment
  UC12995  Rubus ursinus W. H. Brewer 1862-4-30 1013 Contra Costa Camp 69 Walnut Creek (Walnut Creek) Comment
  UC2032842  Rubus ursinus Doran, Andrew Scott 2012-3-20 713 Contra Costa North east side of Brooks 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
  UC692155  Rumex acetosella Mary L. Bowerman 1935-5-18 3016 Contra Costa road above Indian Ceremonial Springs (roadbank at hairpin turn); Mount Diablo Comment
  CAS-BOT-BC421865  Rumex acetosella Mary L. Bowerman 1935-5-18 3016 Contra Costa Mount Diablo. Road above Indian Ceremonial Spring: Roadbank at hairpin turn. Comment
  JEPS99578  Rumex conglomeratus Mary Bowerman 1995-6-4 Contra Costa Mount Diablo, Pine Pond Comment
  CAS-BOT-BC421739  Rumex conglomeratus Walter Knight 1965-9-7 1176 Contra Costa Antioch sand dunes. Comment
  JEPS112017  Rumex pulcher Dean G. Kelch and Andrew G. Murdock 2004-5-28 AGM 267 Contra Costa Refugio Valley. Comment
  JEPS25160  Rumex pulcher G. Thomas Robbins with John Weiler 1959-5-23 4032 Contra Costa about 0.5 mi e Pt. San Pablo (overlooking San Pablo Bay); Richmond 7 Comment
  CDA15273  Rumex salicifolius var. crassus G. F. Hrusa, D. Crowe, R. York 1998-7-17 14710 Contra Costa Sacramento Delta; E end of Dow Chemical property. Comment
  UC2012982  Rumex salicifolius var. salicifolius Barbara Ertter with Tony Morosco 1996-7-27 15030 Contra Costa Mount Diablo State Park, Donner Creek ca halfway between Regency Drive trailhead and old cabin site Comment
  JEPS111074  Rumex salicifolius var. salicifolius Lee Echols 2003-6-23 s.n. Contra Costa N of Lark Drive in S portion of grassland within UC Berkeley's Richmond Field Station, app. .5 miles from Hwy 580 off Bayview Ave, Richmond 15 Comment
  UC1948962  Rumex transitorius William J. Ferlatte, L. Maynard Moe 1970-4-27 1216 Contra Costa San Francisco Bay: Red Rock Island Comment
  UC1197438  Rupertia physodes Joseph P. Tracy 1934-4-30 13195 Contra Costa near Lafayette 152 Comment
  JEPS99564  Sagina apetala Mary Bowerman 1978-4-17 Contra Costa Mount Diablo, Back Canyon 228 Comment
  CDA23461  Salicornia pacifica T. C. Fuller 1965-11-24 14323 Contra Costa South side of Byron Hot Springs Road, 0.6 mile southwest of Byron-Tracy Highway, ca. 1 mile southwest of Byron. 0 Comment
  RSA771186  Salicornia virginica Barbara Ertter, Elizabeth Neese 1988-10-15 7974 Contra Costa Salicornia marsh west of I-580 in El Cerrito, west side along Rydin Road north of Central Avenue. Comment
  SEINET1910270  Salicornia virginica Barbara Ertter, Elizabeth Neese 1988-1 7974 Contra Costa Salicornia marsh W of I-580 in El Cerrito, W side along Rydin Road N of Central Avenue. Comment
  CAS-BOT-BC103028  Salix bonplandiana Walter Knight; R. Bensler; B. Atwataer; J. Dean; B. Mortensen 1979-4-13 3367 Contra Costa Near South Landing. Browns Island Comment
  CAS-BOT-BC129910  Salix bonplandiana Alice Eastwood 1921-4-18 10266 Contra Costa Antioch Comment
  CAS-BOT-BC129911  Salix bonplandiana Ira L. Wiggins 1930-4-18 4603 Contra Costa Levee banks, Jersey Island. Comment
  CAS-BOT-BC103737  Salix exigua Walter Knight; Irja Knight; John Thomas Howell; Elizabeth McClintock 1978-9-5 3218 Contra Costa Browns Island Comment
  CDA9516  Salix exigua D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .244 Contra Costa CA Delta; Along the old San Joaquin River Channel, S of Clifton Court Forebay and SE of Byron. Comment
  UC691958  Salix exigua var. hindsiana Mary L. Bowerman 1935-5-30 3080 Contra Costa by Donner Canyon stream Donner Canyon; Mt. Diablo, Donner Canyon 152 Comment
  CDA9512  Salix gooddingii D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .239 Contra Costa CA Delta; Along Clifton Court Near Clifton Court Forebay. Comment
  SJSU6174  Salix laevigata C. O. Dudley 1966-4-4 74 Contra Costa Reliez Valley, Briones Hills, N of Lafayette Comment
  UC437380  Salix laevigata J. Burtt Davy 1895-4-13 1005 Contra Costa near Lafayette Comment
  JEPS97546  Salix lasiolepis R. D. Stone 1981-3-23 341 Contra Costa Huckleberry Trail Oakland Hills, near Alameda-Contra Costa county line (NE of intersection of Skyline Blvd. and Snake Rd.) 396 Comment
  UC504068  Salix lasiolepis Lee Bonar 1933-4-17 Contra Costa near Nortonville (hills e of Pittsburg) Comment
  UC692032  Salix lasiolepis Mary L. Bowerman 1931-3-14 567 Contra Costa Riggs Canyon Mount Diablo (e side) Comment
  UC692055  Salix lasiolepis Mary L. Bowerman 1932-8-27 1520 Contra Costa spring s Turtle Rock; Mount Diablo Comment
  UC692064  Salix lasiolepis Mary L. Bowerman 1932-8-27 1519 Contra Costa spring s Turtle Rock; Mount Diablo Comment
  UCD150912  Salix lasiolepis James A. Neilson Jr.; Samuel A. Bamberg 1972-10-22 3495 Contra Costa Walnut Creek drainage at State Highway 4. Elevation estimated using Google Earth by label maker. 1 Comment
  CAS-BOT-BC129555  Salix lasiolepis var. lasiolepis Mary L. Bowerman 1932-8-27 1519 Contra Costa Spring south of Turtle Rock (by a large group of willows) - Mount Diablo Comment
  JEPS111797  Salsola australis A. G. Murdock 2003-9-12 202 Contra Costa Rodeo - Lone Tree Point Rodeo shoreline 2 Comment
  JEPS79010  Salsola tragus Edward Lee with Annetta Carter 1935-8-17 1619 Contra Costa just e. Antioch Comment
  RSA739938  Salsola tragus P. Akers 2003-10-7 B- 107 Contra Costa Contra Costa water district, E edge of Discovery Bay on Hwy 4. 8 Comment
  CAS-BOT-BC180752  Salsola tragus Peter Rubtzoff 1951-10-7 829 Contra Costa Sand duens along lower San Joaquin River, east of Antioch Comment
  JEPS62550  Salvia carduacea Chesnut and Drew 1889-4-18 Contra Costa Antioch Comment
  UC634923  Salvia carduacea H. L. Mason 1929-3-31 5146 Contra Costa Briones Valley Comment
  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
  JEPS62735  Salvia mellifera W. L. Jepson 1899-4 14949 Contra Costa Las Trampas Ridge Comment
  UC1051310  Sambucus caerulea N. Floy Bracelin 1941-6-22 1419 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  CAS-BOT-BC238634  Sambucus nigra subsp. caerulea Barrett Anderson 1987-4-30 3487 Contra Costa Pinole Creek in Pinole Valley near Castro Ranch Road. Pinole dam site for EBMUD 125 Comment
  JEPS121564  Sambucus nigra subsp. caerulea Adam C. Schneider 2013-10-12 317 Contra Costa Briones Regional Park, along north side of Beark Creek Trail, about 3/4 mile east of Oak Grove campground. Comment
  UCD164883  Sambucus nigra subsp. caerulea Henry House 1995-5-20 1995- 12 Contra Costa Adjacent to Walnut Blvd., approximately 1.25 km south of Marsh Creek Road. 30 Comment
  CAS-BOT-BC223246  Sanicula bipinnata Brandegee No date on label s.n. Contra Costa Antioch Comment
  SEINET7062977  Sanicula bipinnata A. G. Vestal 1955-4-1 s.n. Contra Costa About 1.9 miles west of Bryon on the Camino-Diablo Road. UTM Zone 10, 616555mE, 4191378mN. (WGS84/NAD83). 53 Comment
  SEINET10545764  Sanicula bipinnata John T. Middleton 1936-4-18 Middleton 146 Contra Costa Comment
  UC691873  Sanicula crassicaulis Mary L. Bowerman 1930-6-5 248 Contra Costa Mount Diablo, West Road 5.8 mi from entrance Mount Diablo; , West Road 457 Comment
  UCD127982  Sanicula crassicaulis P. B. Kennedy 1925-4-26 s.n. Contra Costa near Sycamore Canon Trail, Mt. Diablo. Comment
  UC194920  Sanicula saxatilis H. M. Hall 1916-5-31 10136 Contra Costa along east crest of Mount Diablo Mount Diablo 1158 Comment
  UC566823  Sanicula tuberosa H. L. Mason 1929-3-15 5049 Contra Costa Nortonville Comment
  UC2027802  Sanicula tuberosa Barbara Ertter, Holly Forbes 1997-4-20 15557 Contra Costa North side of Mount Diablo, north end of Eagle Peak Ridge on Mitchell Rock Trail between Mitchell Rock and Twin Peaks. Comment
  JEPS68967  Saxifraga californica Edward Lee 1935-3-10 1300 Contra Costa s watershed of Kirker Creek (Nortonville); , Kirker Creek Comment
  UCD128067  Scandix pecten-veneris Morris Halperin 1929-4-21 s.n. Contra Costa Morago Valley. Comment
  CAS-BOT-BC111482  Schoenoplectus americanus Walter Knight; I. Knight; E. McClintock; John Thomas Howell; B. Doyle; P. Rae 1978-9-5 3214 Contra Costa Browns Island, Botany Cove Comment
  CAS-BOT-BC111465  Schoenoplectus californicus Walter Knight; Joanne Dean 1978-8-14 3189 Contra Costa Browns Island Comment
  UC407366  Schoenoplectus californicus Ira L. Wiggins 1930-4-18 4592 Contra Costa Levee bank , Levee bank (Jersey Island) Comment
  JEPS46490  Scirpus W. L. Jepson 1919-1-5 8201 Contra Costa Antioch San Joaquin River (on beach) Comment
  CDA39113  Scirpus americanus A. G. Murdock 2004-6-4 323 Contra Costa Carquinez Strait Region; Pecheco Marsh. Comment
  JEPS111882  Scirpus americanus A. G. Murdock 2004-6-4 323 Contra Costa Pacheco Marsh 5 Comment
  UCD50099  Scirpus californicus B. Crampton 1950-7-29 625 Contra Costa 1 mile north of Richmond, Contra Costa Co. Comment
  UC1618393  Scirpus cernuus Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10713 Contra Costa Browns Island n of Pittsburg (near confluence of Sacramento and San Joaquin Rivers, opposite Pittsburg Marina, (Botany Cove)); Browns Island Comment
  JEPS111880  Scirpus koilolepis A. G. Murdock 2004-4-30 252 Contra Costa McEwen Road West side of road 130 Comment
  UC2032823  Scrophularia californica Doran, Andrew Scott 2012-3-20 693 Contra Costa North end of Brooks Island along ridge overlooking artificial spit, southwest of caretakers residence. Comment
  CHSC39483  Scutellaria tuberosa Tyler Williams 1984-4-18 17 Contra Costa In 10 yd radius of site 4 at Juniper Camp on Summit Rd. in Mount Diablo State Park. 853 Comment
  UC1713660  Scutellaria tuberosa Herbert L. Mason 1928-4-15 4342 Contra Costa top of Moraga Ridge Comment
  UC25824  Scutellaria tuberosa W. H. Brewer 1862-5-1 1037 Contra Costa s of Camp 69 Comment
  RSA0068478  Scutellaria tuberosa Katie Gallagher, Nick Jensen 2014-4-26 200 Contra Costa Las Trampas Regional Wilderness. 396 Comment
  OBI75155  Senecio aronicoides David J. Keil 2011-5-29 31036 Contra Costa Mount Diablo State Park. Vicinity of Juniper Campground 900 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
  CDA18812  Senecio mikanioides R. M. Case 1999-12-2 PDR 1219291 Contra Costa Along Wildcat Canyon Rd., 1.9 mi NW of intersection of Wildcat Canyon Rd. and Dam Rd., vicinity of Orinda. 0 Comment
  JEPS100174  Senecio vulgaris G. Smick 2003-5-1 GAS 162 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UCD159537  Senecio vulgaris D. S. Park 2010-12-7 268 Contra Costa Growing in ditch along San Pablo Ave. 75 Comment
  CAS-BOT-BC364553  Senecio vulgaris Ira L. Wiggins 1930-4-18 4597 Contra Costa Levee, n. end of Jersey Island Comment
  CAS-BOT-BC364554  Senecio vulgaris Walter Knight 1965-3-1 911 Contra Costa Antioch dunes Comment
  POM181456  Senecio vulgaris Ira L. Higgins 1930-4-18 4597 Contra Costa Levee, n. end of Jersey Island. Comment
  JEPS48275  Sequoia sempervirens W. L. Jepson 1919-1-25 8208 Contra Costa Upper San Leandro Creek by Moraga Ridge Upper San Leandro Creek, Moraga Ridge Comment
  NY64466  Sequoia sempervirens L. S. Rose 1934-1-29 34009 Contra Costa Redwood Canyon Comment
Read comments
Apr 14 2010
  SEINET3876309 Image available Sequoia sempervirens James K. Detling 1963-2-15 7 Contra Costa Top of Flicker Ridge near Moraga.; 0 Comment
  CDA33500  Sesbania punicea Slate 2010-7-6 PDR# 1649539 Contra Costa Alamo; 155 Via Bonita 0 Comment
  CDA33621  Sesbania punicea Lepando 2010-7-14 PDR# 1645158 Contra Costa Concord; Rancho Diablo Clubhouse, 355 Vista Grande 0 Comment
  CDA23919  Sesuvium verrucosum D. G. Kelch 2006-7-14 6 .329 Contra Costa Carquinez Strait; Along Marine Vista Ave immmediately west of Pacheco Slough. East of Martinez. Comment
  UCD92599  Setaria parviflora John Thomas Howell; Gordon H. True 1972-6-29 48933 Contra Costa Byron Hot Springs. Road southeast of Byron. Comment
  CAS-BOT-BC384441  Silene antirrhina Kellogg No date on label s.n. Contra Costa Mt Diablo Comment
  JEPS99539  Silene gallica Mary L. Bowerman 1976-6-24 Contra Costa Mount Diablo, Fire trail from crest of Inner Black Hills to Sycamore Creek. Comment
  UC692534  Silene verecunda subsp. platyota Mary L. Bowerman 1930-6-7 278 Contra Costa Mount Diablo Comment
  UCD115406  Sinapis arvensis Jennifer Davies 1982-4-11 2 Contra Costa 1 mile NW of South Checking Station on South Gate Road, Mt. Diablo. 487 Comment
  RSA0068486  Sisyrinchium bellum Katie Gallagher, Nick Jensen 2014-4-26 188 Contra Costa Las Trampas Regional Wilderness. 396 Comment
  CDA5987  Solanum rostratum J. Moon 1959-7-3 Contra Costa Macdonald Avenue and railroad yard, Richmond. 0 Comment
  CAS-BOT-BC231714  Solanum umbelliferum John Thomas Howell 1926-3-7 1666 Contra Costa Mt. Diablo Comment
  JEPS99577  Solanum umbelliferum Mary Bowerman 1975-5-11 Contra Costa Mount Diablo, Back Creek. Comment
  NY820647  Solanum umbelliferum A. A. Heller 1908-4-16 8889 Contra Costa Sand hills east of Antioch 23 Comment
  CAS-BOT-BC231713  Solanum umbelliferum Paul F. Covel 1940-5-12 s.n. Contra Costa Summit, Mt. Diablo Comment
  POM215197  Solanum umbelliferum D. D. Keck 1933-11-2 2619 Contra Costa 1 mile SE of Oakley. Comment
  SEINET6186041  Solanum umbelliferum P. Del Monte 1976-3-28 s.n. Contra Costa Morgan Territory Rd., 1 miles north of Curry Creek Park 122 Comment
  SEINET7262189 Image available Solanum umbelliferum J. T. Howell 1933-5-14 11291 Contra Costa E of St. Mary's College Comment
  UCD127012  Solanum umbelliferum Robert C. Bechtel 1952-4-12 56 Contra Costa West side Mount Diablo. 914 Comment
  SEINET7262086 Image available Solanum xanti A. A. Heller 1908-4-16 8889 Contra Costa E of Antioch Comment
  JEPS75542  Solidago velutina subsp. californica P. F. Yorks 1975-9-6 495 Contra Costa on Hampton Road ca 1.4 km s Bear Creek Road beyond entrance gate to Hampton Road Nature Reserve (n of Briones Reservoir); beyond entrance gat to Hampton Road Nature Reserve, Briones 170 Comment
  UC1199320  Solidago velutina subsp. californica Joseph P. Tracy 1932-9-10 10788 Contra Costa e Pinole (head of Franklin Canyon); North Coast Ranges, head of Franklin Canyon 152 Comment
  JEPS100169  Sonchus asper subsp. asper G. Smick 2003-5-8 GAS 182 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC650555  Sonchus oleraceus Ira L. Wiggins 1930-4-18 4608 Contra Costa Jersey Island Comment
  CAS-BOT-BC374593  Sonchus oleraceus Walter Knight; Irja Knight; J. T. Howell; E. McClintock; et al 1978-9-5 3225 Contra Costa Browns Island. Sandy Knob Comment
  CAS-BOT-BC374594  Sonchus oleraceus R. E. Frenkel 1963-8-18 263 Contra Costa On Giant Road, 0.4 mile north of ATSF RR crossing, Richmond 15 Comment
  UC2028518  Sonchus oleraceus Barbara Ertter 1996-11-24 15428 Contra Costa West side of Mount Diablo, Pine Pond along Stage Road in Pine Canyon. Comment
  CDA2506  Sorghum halepense D. G. Kelch, A. G. Murdock 2004-5-9 4 .209 Contra Costa Carquinez Strait Region; Crockett - Carquinez Scenic Drive. Scenic Drive west of Bull Valley Staging Area, east of Crockett, CA Comment
  CDA32680  Spartina foliosa D. G. Kelch 2004-7-9 4 .314 Contra Costa Carquinez Strait Region; Rodeo Shoreline. Comment
  UCD92971  Spartina foliosa A. A. Beetle 1940-11-1 2636 Contra Costa San Francisco Bay, near Point Richmond. Comment
  CAS-BOT-BC390054  Spergularia Alice Eastwood 1923-4-28 11668 Contra Costa Byron Springs Comment
  UC1618227  Spergularia macrotheca Barbara Ertter 1990-10-14 9661 Contra Costa Point Isabel Regional Shoreline San Francisco Bay, El Cerrito (w shoreline, sw El Cerrito) Comment
  CAS-BOT-BC390239  Spergularia macrotheca var. leucantha Mary L. Bowerman 1933-4-22 1881 Contra Costa Mount Diablo. Shell Ridge east of highway: Heather Farm Comment
  RSA518738  Spergularia macrotheca var. longistyla Barbara Ertter 1989-4-5 8113 Contra Costa West and adjacent to Clifton Court Forebay, 15 air miles SW of Stockton. 0 Comment
  UC1618134  Spergularia macrotheca var. macrotheca Barbara Ertter 1994-6-18 12836 Contra Costa at se corner of Whittell Marsh (at n end of Richmond, Point Pinole Regional Shoreline); Richmond, Point Pinole Regional Shoreline Comment
  UCR265178  Spergularia macrotheca var. macrotheca Barbara Ertter 1990-10-14 9661 Contra Costa San Francisco Bay Region, Point Isabel Regional Shoreline on San Francisco Bay in southwest El Cerrito, bare weedy flat above rocks on west shoreline 5 Comment
  CAS-BOT-BC390741  Spergularia marina Alice Eastwood 1914-3-14 3779 Contra Costa Byron Springs Comment
  SEINET3840816  Spergularia marina Unknown 2006-7-14 6 .328 Contra Costa East of Martinez, Along Marine Vista avenue immediately west of Pacheco Slough 1 Comment
  UC1563860  Spergularia marina Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8135 Contra Costa alkali sink w and adjacent to Clifton Court Forebay (ca 15 air mi sw of Stockton) 0 Comment
  RSA0098554  Spergularia marina C. F. Baker 1903-4-27 2865 Contra Costa Byron. Comment
  UC2036957  Spergularia rubra Mary L. Bowerman 1946-2-10 4081 Contra Costa Hard ground by C.C.C. camp. Comment
  POM151915  Spergularia salina C. F. Baker 1903-4-27 2865 Contra Costa Byron. Comment
  UC1618132  Spergularia villosa Barbara Ertter, Brad Olson 1994-5-7 12747 Contra Costa s end of Point Molate Beach Park w of Richmond (n of bridge to San Rafael, San Francisco Bay, along old railroad grade); San Francisco Bay, Point Molate Beach Park Comment
  CAS-BOT-BC213199  Sphaeralcea Paul F. Covel 1936-5-17 259 Contra Costa South of summit Mt. Diablo. Comment
  JEPS21817  Stachys ajugoides J. Robison 1958-5-17 68 Contra Costa Vacant lot on 6th St. Albany 7 Comment
  UC1555268  Stachys ajugoides var. rigida R. C. Stebbins 1988-5-25 Contra Costa Memory and Packrat trails Tilden Park, Tildne Nature Area Comment
  UC606760  Stachys ajugoides var. rigida Edward Lee 1936-4-19 2011 Contra Costa Red Rock, ne slope of island San Francisco Bay Comment
  RSA762305  Stachys ajugoides var. rigida William J. Ferlatte, L. M. Moe 1970-4-27 1224 Contra Costa San Francisco Bay, Red Rock Island. Comment
  JEPS107110  Stachys pycnantha Barbara Ertter, Kristin Ertter 1995-7-11 14484 Contra Costa West side of Mt Diablo SW of Walnut Creek; dense growth at lower end of Pine Pond, in sun. 182 Comment
  UC2055619  Stachys pycnantha Joseph Andorfer Ewan 1933-10-15 8035 Contra Costa SW slope Mt. Diablo. 1066 Comment
  RSA0068488  Stachys rigida var. quercetorum Katie Gallagher, Nick Jensen 2014-4-26 186 Contra Costa Las Trampas Regional Wilderness. 396 Comment
  JEPS36203  Stebbinsoseris heterocarpa W. L. Jepson 1921-5-22 9215 Contra Costa Half way up Mt. Diablo. Comment
  UC2070542  Stellaria nitens Barbara Ertter with Chris Thayer 2002-4-13 17830 Contra Costa North side of Mount Diablo, Zippe Trail on north face of Mount Olympia Comment
  UC2028164  Stellaria pallida Barbara Ertter 1998-2-15 15919 Contra Costa Shell Ridge Open Space on northwest base of Mount Diablo, Haystack Hill NW of Old Borges Ranch. Comment
  RSA0027947  Stephanomeria elata Barbara Ertter 1997-9-14 15819 Contra Costa Southwest side of Mount Diablo, Wall Point Road on ridge northwest of Wall Point. Comment
  UC589838  Stephanomeria virgata subsp. pleurocarpa G. L. Stebbins Jr. 1938-7-30 2541 Contra Costa 0.5 mi e Marsh Creek Springs (along Marsh Creek Highway) Comment
  UC2032833  Stipa pulchra Doran, Andrew Scott 2012-3-20 703 Contra Costa Second highest point on Brooks Island, rocky outcrop overlooking man-made spit. Comment
  SEINET10603924  Stipa pulchra Alan A. Beetle 1941-3-28 Beetle 1718 Contra Costa Orinda, in sandy soil of open cut. Comment
  UC691257  Streptanthus glandulosus subsp. glandulosus Mary L. Bowerman 1935-4-22 2878 Contra Costa North Road 2 mi from entrance; Mount Diablo 237 Comment
  CAS-BOT-BC87336  Streptanthus hispidus E. W. Hicks 1917-3-25 114 Contra Costa West shoulder of Mount Diablo. 762 Comment
  CAS-BOT-BC87339  Streptanthus hispidus J. W. Congdon 1896-5-30 s.n. Contra Costa Mount Diablo. Comment
  CAS-BOT-BC87341  Streptanthus hispidus H. N. Bolander; Kellock M. D. s.n. Contra Costa Monte De Diablo. Comment
  SBBG72132  Streptanthus hispidus unknown 1895-1 Contra Costa Mt Diablo Comment
  UC1292724  Streptanthus hispidus Freed W. Hoffman 1949-4-17 2766 Contra Costa Eagle Peak, E side, very near the summit Mount Diablo 725 Comment
  UC188151  Streptanthus hispidus J. W. Congdon 1896-5-3 Contra Costa summit Mt. Diablo Comment
  UC2028382  Stuckenia pectinata Barbara Ertter 1998-6-20 16251 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, Gypsy Flat Pond SW of Old Borges Ranch. Also in Joaquin Pond Comment
  UC2028384  Stuckenia pectinata Barbara Ertter 1998-6-20 16254 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, Willow Spring Pond south of Ginder Gap Comment
  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-BC422912  Stylomecon heterophylla Alice Eastwood 1921-4-18 10292 Contra Costa Antioch Comment
  JEPS75654  Stylomecon heterophylla W. L. Jepson 1925-4-26 10683 Contra Costa Black Hills Mt. Diablo; , Black Hills Comment
  UC692177  Stylomecon heterophylla Mary L. Bowerman 1931-4-19 749 Contra Costa Mitchell Canyon Mount Diablo; , Mitchell Canyon Comment
  RSA446228  Stylomecon heterophylla Glenn A. Gorelick 1967-5-20 s.n. Contra Costa Russelman Park, Mt. Diablo State Park Comment
  SEINET12102845  Stylomecon heterophylla C. C. Parry, Lemmon, J. G. 1876-1 s.n. Contra Costa Mt. Diablo Comment
  UC651291  Suaeda moquinii Ira L. Wiggins 1930-4-17 4585 Contra Costa Byron Hot Springs Comment
  UC7235  Suaeda moquinii T. J. Storer Sep 1899 Contra Costa Byron Springs Comment
  OBI50444  Suaeda nigra E. E. Stanford August1930 1866 Contra Costa Old River levee Comment
  CAS-BOT-BC269564  Symphoricarpos albus var. laevigatus L. R. Abrams 1916-6-30 5720 Contra Costa Mt. Diablo near lake Comment
  RSA428933  Symphoricarpos albus var. laevigatus E. E. Stanford 1930-5-24 1509 Contra Costa Marsh Creek Canyon. Comment
  UC416573  Symphoricarpos albus var. laevigatus Tracy I. Storer 1912-7-13 Contra Costa 2 mi sw Walnut Creek Comment
  CAS-BOT-BC269563  Symphoricarpos albus var. laevigatus Volney Rattan 1884-6-1 s.n. Contra Costa Unspecified Comment
  OBI75132  Symphoricarpos mollis D. G. Kelch, D. A. Weinstein 2008-4-25 8 .084 Contra Costa Alvarado Park (W end of Wildcat Canyon Park) 122 Comment
  UC1618315  Symphyotrichum lentum Barbara Ertter, CNPS 1990-9-16 9647 Contra Costa Bethel Island Franks Tract State Recreation Area (ne of Brentwood, e end of Gateway Rd. at w edge of Recreation Area, base of lawn-covered levee at water's edge) Comment
  UCD150914  Symphyotrichum lentum James A. Neilson Jr. 1972-10-22 s.n. Contra Costa Walnut Creek drainage, west and south of railroad and leves. Elevation estimated using Google Earth by label maker. 3 Comment
  CAS-BOT-BC98330  Symphyotrichum subulatum var. parviflorum Walter Knight 1978-7-1 3107 Contra Costa Martinez waterfront, near mouth of Alhambra Creek Comment
  JEPS102017  Taeniatherum caput-medusae Bob Case 2001-10-2 Contra Costa Diablo Foothills Regional Park N of entrance to Castle Rock Recreation Area on W side of Castle Rock Road, just S of power line, mouth of Pine Canyon Comment
  CAS-BOT-BC211591  Tamarix Walter Knight 1978-10-4 3316 Contra Costa Browns Island, near old homestead site. Comment
  UC2028456  Tamarix parviflora Barbara Ertter with Joanne Kerbavaz and Mary Bowerman 2000-8-20 17511 Contra Costa North side Mount Olympia in Mount Diablo State Park, bulldozed site of former occupation at Zippe Spring Comment
  UC2028177  Taraxacum laevigatum Barbara Ertter 1998-5-3 16042 Contra Costa Pine Canyon/Stage Road upstream from Dusty Road junction, southwest flank of Mount Diablo. Comment
  UC2029038  Taraxacum officinale Barbara Ertter 2000-3-30 16901 Contra Costa North base of Mount Diablo, lower Mitchell Canyon ca 1 miles from trailhead, near cottonwoods. Comment
  CDA37268  Taraxia ovata D. G. Kelch 2011-3-31 11 .068 Contra Costa Carquinez Strait Region; Richmond, near Point Pinole Regional Park. Comment
  UC764060  Taraxia ovata R. F. Hoover 1938-2-21 2755 Contra Costa Point Richmond Comment
  UCD35996  Taraxia ovata Beecher Crampton 1949-4-21 426 Contra Costa Contra Costa County, city of Richmond, in vacant lot near Santa Fe Railroad, S. 14th Street. 7 Comment
  UC566895  Tauschia hartwegii H. L. Mason 1928-4-26 4387 Contra Costa Berkeley-Oakland Hills Comment
  UCD128119  Tauschia hartwegii P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  RSA146152  Thinopyrum ponticum T. C. Fuller 1961-9-13 7001 Contra Costa Hwy J4, ca. 4 mi. s.e. of Byron Comment
  UC11026  Thysanocarpus curvipes J. Burtt Davy 1895-4-7 886 Contra Costa Antioch Comment
  CAS-BOT-BC88263  Thysanocarpus curvipes J. G. Lemmon April s.n. Contra Costa Mount Diablo and northward. Comment
  SEINET3166335  Thysanocarpus laciniatus P. J. Alexander, C. D. Bailey 2009-3-30 968 Contra Costa Mount Diablo State Park, 0.3 miles east of the summit of Mt. Diablo on the trail to North Peak, 8.7 miles ESE of central Walnut Creek. 1006 Comment
  JEPS100127  Torilis nodosa G. Smick 2003-5-8 GAS 186 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC692379  Torilis nodosa Mary L. Bowerman 1933-5-21 2149 Contra Costa Grape Spring (off Sulphur Spring Canyon) Comment
  CAS-BOT-BC172933  Toxicodendron diversilobum D. E. Breedlove 1970-4-18 17442 Contra Costa At the north edge of Lafayette above Laurel Drive 243 Comment
  JEPS63916  Toxicodendron diversilobum W. L. Jepson 1931-4-5 15716 Contra Costa Nortonville n.e. Contra Costa Co., Nortonville Comment
  RSA122517  Toxicodendron diversilobum R. W. Lundh 1932-9-22 169 Contra Costa 1/2 mile southwest of Mt Diablo 915 Comment
  UC1084405  Toxicodendron diversilobum G. Thomas Robbins 1937-4-17 118 Contra Costa near Point Richmond Point Richmond Comment
  SEINET928989  Toxicodendron diversilobum H. S. Gentry 1931-1 56 Contra Costa Collected on Mt. Diablo near Buckle Point. Comment
  UC2025092  Toxicoscordion fremontii Fayla Schwartz 1990-3-19 116 Contra Costa Contra Costa Co.: 1.5 miles up Diablo Scenic Blvd. from entrance to Mt. Diablo State Park. Comment
  CDA31349  Tragopogon porrifolius D. G. Kelch 2010-11-14 10 .447 Contra Costa Carquinez Strait; Rodeo. Between San Pablo Ave and Rodeo Creek in grassy lot. Comment
  UC416593  Trichostema lanceolatum V. King Chestnut 1887-9-18 Contra Costa Mount Diablo Comment
  SEINET13948212 Image available Trichostema lanceolatum Lewis S. Rose 1953-1 53095 Contra Costa Mt. Diablo, W slope; 1600 ft alt. 488 Comment
  UC1328144  Trientalis latifolia Olive Dyer 1937-5-18 349 Contra Costa Wildcat Canyon, Canyon of C. C. C. tributary Wildcat Canyon Comment
  HSC17937  Trientalis latifolia J. Wendell Howe 1930-5-25 Contra Costa Moraga Rd. Comment
  UC16611  Trifolium albopurpureum var. albopurpureum J. Burtt Davy 1895-4-7 995 Contra Costa Antioch Comment
  UC575674  Trifolium albopurpureum var. albopurpureum Lewis S. Rose 1935-5-16 35174 Contra Costa Mt. Diablo Comment
  JEPS68974  Trifolium albopurpureum var. dichotomum Edward Lee 1935-3-29 1308 Contra Costa e Kirker Pass (Donovan Rd, (w watershed of Kirker Creek)) Comment
  JEPS99529  Trifolium albopurpureum var. dichotomum Mary L. Bowerman 1978-5-4 Contra Costa Mount Diablo. Jim White Trail from Juniper Camp to Deer Flat before saddle. Comment
  UC148548  Trifolium albopurpureum var. dichotomum Katharine Brandegee 1909-4-24 Contra Costa Antioch Comment
  UC16500  Trifolium albopurpureum var. dichotomum W. H. Brewer 1862-5-16 1114 Contra Costa n Kirker's Pass Comment
  UC630753  Trifolium albopurpureum var. dichotomum Ivar Tidestrom 1895-4-13 Contra Costa near Lafayette Comment
  UC630752  Trifolium albopurpureum var. dichotomum unknown Sep 1907 Contra Costa Antioch Comment
  JEPS65682  Trifolium albopurpureum var. olivaceum Willis L. Jepson 1891-6-9 13671 Contra Costa Fish Ranch Berkeley Hills Comment
  JEPS65769  Trifolium barbigerum W. L. Jepson 1917-4-14 6866 Contra Costa Oakland Hills, near Redwood Peak Comment
Read comments
Dec 17 2008
  UC33320  Trifolium barbigerum W. C. Blasdale June 1891 Contra Costa near Redwood Peak Comment
  CDA27906  Trifolium bifidum D. G. Kelch, A. G. Murdock 2005-4-2 5 .105 Contra Costa Carquinez Strait Region; Alhambra Valley. EBMUD land. North of intersection of Alhambra Valley Road and Castro Ranch Road. Comment
  CDA29497  Trifolium bifidum D. G. Kelch, Troy MacGregor 2009-5-1 9 .273 Contra Costa Carquinez Strait; Franklin Ridge. Fernandez Ranch Extension. Comment
  CAS-BOT-BC5352  Trifolium bifidum William Henry Brewer 1862-5-29 1184 Contra Costa Marsh's Ranch, between Monte Diablo and the San Joaquin. Comment
  UC1130046  Trifolium bifidum var. decipiens C. M. Belshaw 1936-5-7 2042 Contra Costa 2 mi s San Ramon; Mt. Diablo quadrangle 274 Comment
  UC2028209  Trifolium bifidum var. decipiens Barbara Ertter 1998-5-3 16072 Contra Costa Wall Point Ridge on southwest flank of Mount Diablo, near Wall Point. Comment
  CHSC116655  Trifolium campestre Lowell Ahart; Josephine Guardino 2016-4-19 20755 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. Along the sides of the dirt roads, 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 160 Comment
  JEPS127104  Trifolium campestre Lowell Ahart, Josephine Guardino 2016-4-19 20755 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
  RSA0033775  Trifolium campestre Barbara Ertter, Richard K. Brummitt 1998-5-6 16095 Contra Costa Donner Canyon Trail near Regency Drive trailhead, north base of Mount Diablo. 182 Comment
  UC146899  Trifolium ciliolatum Katharine Brandegee may 1907 Contra Costa Antioch Comment
  UC692460  Trifolium ciliolatum Mary L. Bowerman 1935-4-28 2926 Contra Costa e Pioneer Camp (ridge at w end of willizenii Flat); Mount Diablo Comment
  UC692461  Trifolium ciliolatum Mary L. Bowerman 1935-5-1 2931 Contra Costa r mi from entrance (w rd); Mount Diablo Comment
  CHSC116610  Trifolium depauperatum var. amplectens Lowell Ahart; Josephine Guardino 2016-4-19 20756 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 dmiles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 160 Comment
  UC338058  Trifolium depauperatum var. amplectens Edw. L. Greene 1889-3-23 Contra Costa Byron Comment
  UC55886  Trifolium depauperatum var. amplectens H. M. Hall 1901-3-23 1706 Contra Costa Martinez Comment
  UC338048  Trifolium depauperatum var. depauperatum Edw. L. Greene 1889-3-23 Contra Costa Byron Comment
  UC630926  Trifolium depauperatum var. depauperatum P. B. Kennedy 1928-4-19 10049 Contra Costa near Golf Links; Byron Hot Springs Comment
  UCSC011139  Trifolium depauperatum var. laciniatum Randy Morgan 1999-5-30 3509 Contra Costa Byron, Seed originally from Armstrong Road Comment
  UC692681  Trifolium depauperatum var. truncatum Mary L. Bowerman 1931-4-4 648 Contra Costa 1 mi from North Gate (North Rd); Mount Diablo 182 Comment
  UC80338  Trifolium depauperatum var. truncatum C. F. Baker 1903-4-27 2863 Contra Costa Byron Comment
  JEPS100102  Trifolium dubium G. Smick 2003-5-8 GAS 178 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  RSA721747  Trifolium dubium Barbara Ertter, Mary Bowerman 1995-5-7 14023 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, along road through annual grassland with scattered blue oak south of Marsh Creek. Road. summit. 305 Comment
  JEPS65882  Trifolium fucatum W. L. Jepson 1923-4-22 9857 Contra Costa Mt. Diablo Comment
  JEPS65884  Trifolium fucatum E. L. Greene 1889-3-25 Contra Costa Byron Comment
  UC16534  Trifolium fucatum W. H. Brewer 1862-4-30 1006 Contra Costa Camp 69 Walnut Creek Comment
  UC400160  Trifolium fucatum Ynes Mexia 1929-4-21 2371 Contra Costa Moraga Valley Comment
  RSA195421  Trifolium fucatum var. fucatum C. P. Smith 1922-5-20 3532 Contra Costa Lafayette - trolly line. Comment
  CHSC116604  Trifolium glomeratum Lowell Ahart; Josephine Guardino 2016-4-19 20758 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. 1.8 miles (air) northwest of Los VaquerosReservoir Marina, 2.1 miles (air) southwest of Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 160 Comment
  UC692689  Trifolium gracilentum Mary L. Bowerman 1933-5-4 1996 Contra Costa e end Rock City Ridge (=Fossil Ridge) (roadbank); Mount Diablo Comment
  JEPS65901  Trifolium gracilentum var. gracilentum W. L. Jepson May 23 1891-May 24 1891 13689 Contra Costa Mt. Diablo Comment
  JEPS65908  Trifolium gracilentum var. gracilentum W. L. Jepson 1923-4-22 9858 Contra Costa Mt. Diablo Comment
  UC1952814  Trifolium incarnatum Barbara Ertter 2010-5-12 19830 Contra Costa Miller Knox Regional Shoreline at south edge of Point Richmond; along West Ridge Trail Comment
  CDA29061  Trifolium microcephalum D. G. Kelch 2006-5-7 6 .149 Contra Costa Carquinez Strait.; Crockett. Upper Edward s Canyon. Comment
  UC16620  Trifolium microcephalum W. H. Brewer 1862-5-26 1164 Contra Costa near Mount Diablo Comment
  UC631555  Trifolium microcephalum P. B. Kennedy 1925-4-25 Contra Costa rd to Sycamore Canyon; Mt Diablo Comment
  UC692245  Trifolium microcephalum Mary L. Bowerman 1935-4-26 2910 Contra Costa w Indian Ceremonial Spring; Mount Diablo 1005 Comment
  UC692248  Trifolium microdon Mary L. Bowerman 1931-4-25 752 Contra Costa 2 mi from west entrance (=North Gate); Mount Diablo Comment
  UC692255  Trifolium microdon Mary L. Bowerman 1933-5-17 2111 Contra Costa due s Olafson's barn (branch of Curry Canyon, on ridge between the two forks of the canyon); Mount Diablo Comment
  UC1606302  Trifolium microdon Barbara Ertter, Chris Thayer 1993-5-7 11711 Contra Costa ca 1/2 mi n Vollmer (=Bald) Peak (east of Tilden Park, grazing land on lower slopes of Wildcat Canyon Rd); East Bay Municipal Utilities District land Comment
  UC692669  Trifolium microdon Mary L. Bowerman 1935-4-19 2872 Contra Costa ca 7 mi w Northgate (by rd, ridge w of the power poles, above the rd junction); Mount Diablo 670 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
  UC2027837  Trifolium oliganthum Barbara Ertter with Dan Norris 2001-4-15 17609 Contra Costa West side Mount Diablo, head of W-facing drainage west of China Wall rock formation (off trail between Hanging Valley Trail and China Wall Road). Comment
  UCD32493  Trifolium olivaceum Beecher Crampton 1950-4-22 534 Contra Costa Contra Costa County, along State Highway 4, in Concord Valley. 30 Comment
  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
  JEPS125936  Trifolium tomentosum D. W. Taylor 2001-3-28 17620 Contra Costa Berkeley Hills; on slopes about 0.75 miles S of Hwy 24 at E portal of the Caldecott Tunnel Comment
  UCR263551  Trifolium tomentosum Barbara Ertter 2002-5-8 17832 Contra Costa San Francisco Bay Region, Richmond Field Station 6 Comment
  SJSU5771  Trifolium variegatum C. O. Dudley 1966-4-16 Contra Costa Reliez Valley, Briones Hills N of Lafayette 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
  UC1197527  Trifolium willdenovii J. P. Tracy 1900-3-24 620 Contra Costa Point Richmond 15 Comment
  UC1377676  Trifolium willdenovii W. J. Dress 1951-5-9 3311 Contra Costa just w Orinda Comment
  UC650439  Trifolium willdenovii Ira L. Wiggins 1930-4-17 4575 Contra Costa 1/4 mi s Byron Comment
  UC692646  Trifolium willdenovii Mary L. Bowerman 1933-5-11 2083 Contra Costa Inner Black Hills Mount Diablo Comment
  RSA91555  Trifolium willdenovii J. T. Howell 1933-5-14 11231 Contra Costa St. Mary's College. Comment
  UC2070435  Trifolium willdenovii Barbara Ertter with David Gowen, J. Ginochio, M. Park, S. Matson, A. Moore, S. D'Alcamo, J. Greenhouse, K. Kersh and J. Gawthrup 2005-5-8 18563 Contra Costa Long Ridge on west side of Mount Diablo, upper Burma Road between Mothers Trails and Deer Flat Road. Comment
  UC16828  Trifolium wormskioldii Jos. Burtt Davy 1900-6-7 6663 Contra Costa near Martinez Comment
  JEPS112457  Triglochin maritima D. G. Kelch 2003-8-13 03 .109 Contra Costa Martinez Marsh 0 Comment
  UC508  Triglochin striata Jos. Burtt Davy 1900-6-7 6676 Contra Costa Martinez Comment
  UC13818  Trillium ovatum E. L. Drew 1888-2-22 Contra Costa Moraga Valley Comment
  CAS-BOT-BC133382  Trillium ovatum P. Raven 1949-3-26 193 Contra Costa Redwood [Canon] Canyon Comment
  SEINET10275395  Trillium ovatum Unknown 1963-4-28 94 Contra Costa Steep north slope about 50 ft above canyon bottom opposite Flicker Ridge 1/4 mi w of Moraga Way, E of Oakland; elev 550 ft.. 167 Comment
  UC2070652  Triodanis biflora Barbara Ertter with David Gowen and Mike Park 2004-4-13 18351 Contra Costa Black Diamond Mines Regional Park south of Pittsburg, trail system in chaparral/woodland S of Somersville townsite, Chaparral Loop Trail just across footbridge from Manhattan Trail cut-off. Comment
  JEPS10670  Triphysaria eriantha subsp. eriantha R. F. Hoover 1938-2-27 2783 Contra Costa Danville Comment
  JEPS49755  Triphysaria pusilla Rimo Bacigalupi, and Alice Howard, and Paul Hutchison 1967-3-29 9221 Contra Costa w slope Las Trampas Ridge (upper reaches of Bolinger Canyon); , w slope Las Trampas Ridge 381 Comment
  CDA41895  Triphysaria versicolor subsp. faucibarbata D. G. Kelch 2005-5-5 5 .206 Contra Costa Carquinez Strait Region; Point Pinole - Giant Marsh. Giant Salt Marsh. Comment
  JEPS112493  Triteleia hyacinthina D. G. Kelch 2005-4-24 05 .169 Contra Costa Franklin Canyon. Collier Hill. West Carbon 60 Comment
  JEPS112496  Triteleia laxa D. G. Kelch 2004-5-9 04 .204 Contra Costa Crockett - Upper Edwards Canyon, Crockett, above Crockett Blvd 160 Comment
  UC3318  Triteleia laxa W. H. Brewer 1862-4-25 995 Contra Costa Martinez Comment
  CAS-BOT-BC526327  Triteleia laxa Barrett Anderson 1987-4-30 3501 Contra Costa Pinole Creek in Pinole Valley near Castro Ranch Road 125 Comment
  POM203716  Triteleia laxa J. T. Howell 1931-5-12 6468 Contra Costa Oakland Hills Comment
  SD39092  Triteleia laxa Mc Callum 1933-4-24 3700 Contra Costa Adobe field near wlnut Creek. Comment
  SEINET12044746  Triteleia laxa J. T. Howell 1931-1 6468 Contra Costa Oakland Hills Comment
  CAS-BOT-BC67403  Tropidocarpum gracile Alice Eastwood 1914-3-14 3824 a Contra Costa Byron Springs. Comment
  JEPS68961  Tropidocarpum gracile Edward Lee 1935-3-10 1239 Contra Costa e. Antioch (Antioch Sand Dunes); Antioch Sand Dunes Comment
  RSA276848  Tropidocarpum gracile James I. McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  UC691062  Tropidocarpum gracile Mary L. Bowerman 1932-2-28 1092 Contra Costa ridge e Rhine Canyon; Mount Diablo 579 Comment
  UC691063  Tropidocarpum gracile Mary L. Bowerman 1933-3-18 1750 Contra Costa floor of canyon above Olafson's; Mount Diablo, Curry Canyon Comment
  JEPS111914  Typha angustifolia Dean G. Kelch and Andrew G. Murdock 2003-8-13 DGK 03 .105 Contra Costa Martinez Marsh. Comment
  JEPS121002  Typha angustifolia D. G. Kelch 2003-8-13 03 .105 Contra Costa Martinez Marsh Comment
  SFV8563  Typha angustifolia R. C. Martin 1968-5-18 24 Contra Costa San Pablo Bay, 3 miles south of Pinole Point. In marsh. Comment
  SEINET3153570  Umbellularia californica L. S. Rose 1939-1-24 39001 Contra Costa Head of Wildcat Canyon, Berkeley Hills Comment
  UC1196278  Umbellularia californica Joseph P. Tracy 1930-11-27 9262 Contra Costa near Lafayatte 152 Comment
  UC588152  Umbellularia californica Annetta Carter 1937-3-20 1224 Contra Costa 2 mi nw of Orinda (Lake Orinda Road); Lake Orinda Road 121 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
  JEPS36176  Uropappus lindleyi W. L. Jepson 1918-6-3 7578 Contra Costa Donner Canyon Mt. Diablo 533 Comment
  JEPS36205  Uropappus lindleyi W. L. Jepson 1922-5-23 9652 Contra Costa Mt. Diablo Comment
  UC692058  Urtica dioica subsp. holosericea Mary L. Bowerman 1931-8-29 1032 Contra Costa Mount Diablo, Sheep Camp Spring, by West Road Sheep Camp Spring; Mount Diablo, Sheep Camp Spring Comment
  JEPS77020  Vaccinium ovatum Robert M. Lloyd 1963-3-17 2145 Contra Costa 0.5 mi e intersection of Grizzly Peak Road and Skyline Drive (on Skyline (across from 7090 Skyline)) Comment
  POM312406  Verbena hastata Malcolm A. Nobs, S. Galen Smith 1949-7-8 942 Contra Costa Otto's Black Bass Resort, 4 miles north of Kingston. Comment
  UC723797  Verbena lasiostachys var. lasiostachys Joseph Andorfer Ewan 1936-7-5 9726 Contra Costa Wildcat Creek near CCC camp Wildcat Creek Comment
  CDA5675  Verbena venosa R. DeBoer 1965-9-3 Contra Costa 4536 Elmwood Road, El Sobrante . 0 Comment
  UC2070533  Veronica americana Barbara Ertter with Dan Norris 2000-12-3 17555 Contra Costa West side Mount Diablo, Maple Spring on North Gate Road just south of Angel Kerley Road junction. Comment
  CHSC116626  Veronica peregrina subsp. xalapensis Lowell Ahart; Josephine Guardino 2016-4-19 20781 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. Below the high water line of Los Vaqueros Reservoir, 1.4 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 144 Comment
  UC407386  Veronica peregrina subsp. xalapensis Ira L. Wiggins 1930-4-17 4581 Contra Costa 1/4 mi s of Byron Comment
  UC1050168  Viburnum japonicum N. Floy Bracelin 1944-4-23 2377 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1051053  Viburnum japonicum N. Floy Bracelin 1942-10-4 2334 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1005836  Viburnum suspensum N. Floy Bracelin 1945-5-27 2852 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1050363  Viburnum trilobum N. Floy Bracelin 1943-7-25 2187 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UCD32375  Vicia Beecher Crampton 1950-4-16 516 Contra Costa Contra Costa County, road from San Pablo to Giant, along RR. property. 22 Comment
  CDA23620  Vicia americana D. G. Kelch, D. A. Weinstein 2008-4-15 8 .041 Contra Costa Carquinez Strait; S Port Costa along Mckewen Rd. Comment
  OBI70556  Vicia sativa D. G. Kelch 2007-3-24 7 .089<