Search Results — 2000 specimen records retrieved (1339 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  OBI7573  Abies bracteata Robert F. Hoover 1964-4-5 8664 Contra Costa Cultivated in Tilden Park botanic Garden Comment
  UC1211990  Abutilon theophrasti R. P. and Perry Allen 1961-8-11 Contra Costa 4 mi e Byron Comment
  UC1719700  Acacia baileyana Barbara Ertter 1997-1-5 15430 Contra Costa Ygnacio Valley Road across Lime Ridge, S-facing roadcut Comment
  RSA0029772  Acacia cyclops Barbara J. Ertter 1990-10-14 9660 Contra Costa Point Isabel Regional Shoreline on San Francisco Bay in SW El Cerrito, on abandoned railroad track at end of Rydin Road. Comment
  UC1779710  Acacia dealbata Rudolf Schmid 1997-5-21 1997 -13 Contra Costa Hillside Natural Area, El Cerrito; NW of King Ct. entrance. 175 Comment
Read comments
Mar 25 2010
  UCD104647  Acacia dealbata Rudolf Schmid 1997-5-21 1997 -12 Contra Costa Hillside Natural Area, El Cerrito; nw. of King Ct. entrance. 575 Comment
  CDA34008  Acacia melanoxylon D. G. Kelch 2011-3-31 11 .082 Contra Costa Carquinez Region; Richmond; Hilltop Lake Park. Comment
  UC1607582  Acacia melanoxylon Barbara Ertter 1991-5-12 9815 Contra Costa in sw corner of El Cerrito (Point Isabel Regional Shoreline, along old railroad right-of-way between bay and salicornia marsh, on San Francisco Bay); San Francisco Bay, Point Isabel Regional Shoreline Comment
  JEPS44839  Acaena pinnatifida var. californica W. L. Jepson 1922-5-11 9639 Contra Costa North Berkeley Hills Comment
  CAS-BOT-BC331612  Acer macrophyllum Paul F. Covel 1940-4-21 s.n. Contra Costa Las Trampas Canyon Comment
  CAS-BOT-BC331617  Acer macrophyllum Ynes Mexia 1929-4-21 2383 Contra Costa Moraga Valley Comment
  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
  JEPS42649  Acer macrophyllum W. L. Jepson 1908-4-4 3005 Contra Costa West Branch San Pablo Creek Comment
Read comments
Jul 7 2011
  RSA113974  Acer macrophyllum Peter H. Raven 1957-4-11 10621 Contra Costa Curry Canyon 3.4 miles south of Recreation Ground Comment
  CAS-BOT-BC331613  Acer macrophyllum Paul F. Covel 1936-4-19 235 Contra Costa Las Trampas (Cashion) Canyon Comment
  UC1051142  Acer macrophyllum N. Floy Bracelin 1943-7-18 2560 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  SBBG27295  Acer negundo A. Carter 1937-4-4 1229 Contra Costa Moraga Valley, 2.5 mi N of Moraga 182 Comment
  UC18099  Acer negundo J. Burtt Davy 1895-4-13 1012 Contra Costa Lafayette Comment
  UC588154  Acer negundo var. californicum Annetta Carter 1937-4-4 1229 Contra Costa 2 1/2 mi n Moraga (Creek bank, Moraga Valley); Moraga Valley, n of Moraga 182 Comment
  UC691726  Achillea millefolium Mary L. Bowerman 1931-4-25 751 Contra Costa 2 mi by road from Mt. Diablo West Entrance; Mount Diablo Comment
  SEINET10614426  Achillea millefolium John T. Middleton 1936-4-18 Middleton 142 Contra Costa Comment
  CAS-BOT-BC29887  Achyrachaena mollis James I. W. McMurphy 1909-5-21 s.n. Contra Costa Antioch Comment
  UC1046583  Achyrachaena mollis Alex D. Hawkes and R. Bacigalupi 1951-4-12 4775 Contra Costa meadow near Walnut Creek Comment
  UCD84946  Achyrachaena mollis Chuck Hughes 2010-3-29 218 Contra Costa About 0.7 mile south of Vasco Road. 238 Comment
  CAS-BOT-BC29883  Achyrachaena mollis Alice Eastwood 1914-1-1 s.n. Contra Costa unspecified 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
  OBI48824  Achyrachaena mollis Joseph Andorfer Ewan 1935-5-26 9312 Contra Costa E slope Bald Peak, San Pablo Ridge 549 Comment
  JEPS111509  Acmispon glaber Dean G. Kelch and Andrew G. Murdock 2005-5-13 05 .271 Contra Costa Martinez - South; County: Contra Costa; Tall hill in South Martinez and North of I-4. Comment
  UCD104491  Acmispon wrangelianus Morris Halperin 1929-4-21 s.n. Contra Costa Moraga Valley. Comment
  CDA20180  Acroptilon repens A. Niang 2003-7-9 PDR 1406327 Contra Costa San Francisco Bay Area; 5225 Hidorn Ranch Rd, Brentwood. 0 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
  CHSC22658  Aesculus californica Robert A. Schlising 1965-1-24 2740 Contra Costa North of Briones Reservoir along Hampton Road; 1.1 mi S of Jct with Garcia Ranch Road. Comment
  JEPS40093  Aesculus californica W. L. Jepson 1918-6-5 7616 Contra Costa Donner Canyon; Mt. Diablo 228 Comment
  UC1952817  Ageratina adenophora Barbara Ertter 2010-5-12 19833 Contra Costa Miller Knox Regional Shoreline at south edge of Point RIchmond, dogleg turn in recently re-routed stretch of Crest Trail below False Gun point Comment
  SEINET11854999  Agoseris grandiflora W. L. Jepson 1943-1 20846 Contra Costa Moraga Ridge Comment
  UC2028123  Agoseris grandiflora Barbara Ertter with Richard K. Brummitt 1998-5-6 16085 Contra Costa Lower Donner Canyon on north base of Mount Diablo, near Donner Cabin site. Comment
  CAS-BOT-BC22970  Agoseris heterophylla John Thomas Howell 1933-5-14 11260 Contra Costa Hills east of St. Mary's College Comment
  CAS-BOT-BC22971  Agoseris heterophylla John Thomas Howell 1933-5-14 11260 Contra Costa Hills east of St. Mary's College Comment
  UC29360  Agoseris heterophylla var. heterophylla F. T. Bioletti 1894-5-13 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC13349  Agoseris retrorsa K. C. 1883-5-1 s.n. Contra Costa Mount Diablo Comment
  UC691431  Agoseris retrorsa Mary L. Bowerman 1931-4-25 783 Contra Costa summit Meridian Peak; Mount Diablo Comment
  SEINET10789684  Agropyron inerme Thomas B. Croat 1966-6-18 Croat 1989 Contra Costa Frank's Tract, Bethel Island; 7 miles W of Oakley, lakeside & marsh habitats. Comment
  POM300723  Agrostis Mary L. Bowerman 1933-8-26 2413 Contra Costa Mount Diablo. At and below Lower Canyon Spring. 976 Comment
  UCD92546  Agrostis Beecher Crampton 1959-9-3 5454 Contra Costa Cleared bed of Bear Creek, about 2 miles north of Orinda. Comment
  CHSC116630  Agrostis avenacea Lowell Ahart; Josephine Guardino 2016-4-19 20787 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. Below the high water line of Los Vaqueros Reservoir, 1.4 miles (air) northwest of Los Vaqueros Reservoir Marina, 1.9 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 144 Comment
  CAS-BOT-BC127338  Agrostis exarata Walter Knight; et al 1978-9-5 3206 Contra Costa Browns Island. Sandy Knoll. Comment
  CAS-BOT-BC127341  Agrostis exarata Mary L. Bowerman 1933-8-26 2413 Contra Costa Mount Diablo. At and below Lower Canyon Spring. 975 Comment
  SEINET3840952  Agrostis exarata Dean G. Kelch, Andrew G. Murdock 2003-8-13 DGK 3 .113 Contra Costa Martinez Marsh, near marina 1 Comment
  UC692410  Agrostis exarata Mary L. Bowerman 1933-9-9 2434 Contra Costa edge of spring Mount Diablo, Frog Pond 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
  CDA42431  Agrostis hallii D. G. Kelch 2012-6-9 12 .092 Contra Costa Carquinez Strait Region; East of Crockett; Bull Valley Trail. Comment
  UC2028465  Agrostis stolonifera Barbara Ertter with Richard Rabeler, Tony Morosco 1997-6-10 15670 Contra Costa Martinez Regional Shoreline, south edge of Carquinez Strait Comment
  UC2028455  Ailanthus altissima Barbara Ertter with Joanne Kerbavaz and Mary Bowerman 2000-8-20 17508 Contra Costa North side Mount Olympia in Mount Diablo State Park, bulldozed site of former occupation at Zippe Spring Comment
  CAS-BOT-BC138386  Aira caryophyllea var. caryophyllea Barrett Anderson 1987-4-29 3479 Contra Costa Pinole Creek in Pinole Valley near Castro Ranch Road. Pinole dam site for EBMUD. 125 Comment
  UCD137984  Alisma triviale Beecher Crampton 1950-6-10 589 Contra Costa 1 mile north of Richmond, along Santa Fe R.R. 15 Comment
  CAS-BOT-BC175357  Allenrolfea occidentalis David D. Keck 1933-8-23 2515 Contra Costa Byron Hot Springs, eastern Contra Costa County Comment
  CAS-BOT-BC175365  Allenrolfea occidentalis E. M. Zeile 1921-9-9 19 Contra Costa Byron Hot Springs Comment
  UC116547  Allenrolfea occidentalis K. Brandegee 1885-1 Contra Costa near Antioch Antioch Comment
  UCR52247  Allenrolfea occidentalis E. E. Stanford 1930-5-24 1520 Contra Costa Near Byron 25 Comment
  UC1481556  Allium amplectens Neil Havlik 1980-5-18 921 Contra Costa along fire road on e side, Morgan Territory Regional Preserve Morgan Territory Regional Preserve Comment
  CAS-BOT-BC466766  Allium crispum Ira L. Wiggins 1930-4-17 4565 Contra Costa Hillsides near Mountain House, Altamont Pass Comment
  UC843254  Allium falcifolium Alice Eastwood 1915-5-30 4531 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC469111  Allium falcifolium L. R. Abrams 1921-5-25 2038 Contra Costa Summit Mt. Diablo Comment
  CDA2750  Allium neapolitanum D. G. Kelch, A. G. Murdock 2004-4-11 4 .073 Contra Costa Carquinez Strait; Hillside above Rolf Drive, Crockett. Lower Crolona Heights. Comment
  UC494231  Allium serra Anna E. Ehlers 1920-4-25 571 Contra Costa Mt. Diablo Comment
  UC796584  Allium serra Reed C. Rollins 1946-3-25 3043 Contra Costa w slope of Mount Diablo Mount 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-BC475536  Allium serra L. R. Abrams 1921-5-15 8052 Contra Costa At Spring 4 1/2 miles from Summit, Mt Diablo Comment
  UC1481558  Allium serra Neil Havlik 1980-5-18 920 Contra Costa along fire road on e side, Morgan Territory Morgan Territory Comment
  JEPS56395  Allium unifolium W. L. Jepson 1918-6-3 7588 Contra Costa Donner Canyon Mt. Diablo, Donner Canyon 685 Comment
  SEINET3151680  Allocarya stipitata L. S. Rose 1936-4-24 36155 Contra Costa 8 miles S of Antioch 30 Comment
  SEINET7881741 Image available Allocarya stipitata H. S. Reed 1940-1 355 Contra Costa Marsh Creek road, Mount Diablo, altitude 800 feet. 244 Comment
  UC691631  Allophyllum divaricatum Mary L. Bowerman 1933-5-2 1941 Contra Costa below Pioneer Camp (Mt. Diablo); Mt. Diablo 762 Comment
  UC691644  Allophyllum divaricatum Mary L. Bowerman 1933-4-26 1907 Contra Costa North Peak ridge e.-s.e of peak Mt. Diablo 609 Comment
  JEPS108322  Allophyllum gilioides David Gowen 2005-3-1 169 Contra Costa Mt. Diablo State Park. Just east of Pioneer Horse Camp and south of Green Ranch Road. 853 Comment
  CAS-BOT-BC170929  Alnus rhombifolia H. E. McMinn 1922-10-17 399 Contra Costa Curry Cannon, Mt. Diablo Comment
  UC1952849  Aloe striatula Barbara Ertter 2007-5-20 19027 Contra Costa Berkeley Hills SE of UC campus, along path north of Dwight Way extension at head of Panoramic Way Comment
  JEPS113358  Alopecurus myosuroides Bob Battagin 2007-3-9 Contra Costa San Pablo Reservoir, W shore. Comment
  JEPS111587  Amaranthus albus A. G. Murdock 2004-5-28 303 Contra Costa Luzon Roadside 60 Comment
  UC691933  Amaranthus albus Mary L. Bowerman 1938-8-2 2389 Contra Costa Sheep Camp Spring, by North Road Mt. Diablo 533 Comment
  UC2028195  Amaranthus albus Barbara Ertter 1997-8-18 15768 Contra Costa Disturbed area adjacent to Antioch Dunes NWR east of Antioch. Comment
  UC2028370  Amaranthus albus Barbara Ertter 1998-6-20 16247 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, Briones-Mount Diablo Trail SW of Old Borges Ranch Comment
  UC691918  Amaranthus californicus Mary L. Bowerman 1933-9-9 2431 Contra Costa Frog Pond Mount Diablo Comment
  UC1585978  Amaranthus deflexus Barbara Ertter with Elizabeth Neese 1988-10-15 7973 Contra Costa w of I-580 (jct of Central Ave and Rydin Road, El Cerrito); El Cerrito Comment
  UC691931  Amaranthus retroflexus Mary L. Bowerman 1936-9-9 3539 Contra Costa just below Blackhawk Ranch; Mount Diablo, Sycamore Canyon Comment
  UC1789207  Amaryllis belladonna Barbara Ertter 2002-8-24 18029 Contra Costa NE corner of Mount Diablo State park, along upper bridle path S of Mount Diablo Mine property, apparent site of old homestead (only rocked terraces left) 274 Comment
  UC2028561  Amaryllis belladonna Barbara Ertter with Mary Barkworth 2000-9-24 17528 Contra Costa North side Mount Diablo, near former well at Donner Cabin site on Donner Creek. Comment
  RSA666352  Ambrosia chamissonis var. chamissonis Barbara Ertter, Brad Olson 1993-10-30 12288 Contra Costa Northeast of Rodeo, across railroad tracks from San Pablo Avenue Comment
  UC24599  Amsinckia J. Burtt Davy 1895-4-7 919 Contra Costa Antioch Comment
  UC1178261  Amsinckia eastwoodiae R. Bacigalupi and Francia Chisaki 1957-3-27 914 Contra Costa 2.2 mi southeast of Byron (on Byron Highway) Comment
  UC1094074  Amsinckia eastwoodiae Francia Chisaki 1952-3-13 201 Contra Costa 0.25 mi s of Hwy 50 on Mountain House Road Comment
  JEPS17178  Amsinckia intermedia Francia Chisaki, Rimo Bacigalupi 1957-3-27 5759 Contra Costa 0.1 mi nw of crossing with Empire Avenue (along Neroly Road) 24 Comment
  UC881400  Amsinckia intermedia Lewis S. Rose 1941-3-13 41032 Contra Costa 3 mi s Byron 15 Comment
  UCR265177  Amsinckia intermedia Barbara Ertter, Jim Jokerst, Dave Magney 1989-4-5 8130 Contra Costa San Joaquin Valley, Clifton Court Forebay, c. 15 air miles southwest of Stockton 0 Comment
  RSA0068499  Amsinckia intermedia Katie Gallagher, Nick Jensen 2014-4-26 175 Contra Costa Las Trampas Regional Wilderness. 365 Comment
  RSA0069374  Amsinckia intermedia Katie Gallagher, Nick Jensen 2014-4-26 215 Contra Costa Las Trampas Regional Wilderness. 487 Comment
  RSA0090979  Amsinckia intermedia A. A. Heller 1938-4-9 15014 Contra Costa In an orchard near Walnut Creek. Comment
  UC1094071  Amsinckia intermedia Francia Chisaki 1952-3-13 203 Contra Costa 0.25 mi s of Highway #50 (on Mountain House Road) Comment
  UC1094090  Amsinckia intermedia Francia Chisaki 1954-3-25 569 Contra Costa 3.2 mi w of junction with road entering Mt. Diablo State Park (on road to; (road out of Walnut Creek)) Comment
  CAS-BOT-BC222465  Amsinckia lunaris Robert F. Hoover 1939-4-24 4058 Contra Costa Lower end of San Pablo Reservoir Comment
  UC1084624  Amsinckia lunaris Francia Chisaki, Peter Kamb Ray 1952-5-4 2275 Contra Costa 1.5 mi e Orinda-Richmond road (leaving this road ca 1 mi n of Orinda); Bear Creek Road Comment
  UCR47852  Amsinckia lycopsoides Alfred Sattler 1972-4-2 16 Contra Costa Mt. Diablo Creek Drainage Area, Concord; SE corner of Wilson Lane and West St. 51 Comment
  SD71397  Amsinckia menziesii John Thomas Howell 1933-5-14 11224 A Contra Costa St. Mary's College Comment
  JEPS18323  Amsinckia menziesii var. menziesii Rimo Bacigalupi with F. Chisaki 1957-3-27 5758 Contra Costa 1 1/2 mi e of Antioch (city limits, just e of Kaiser Gypsum Plant, along Wilbur Avenue Road) 9 Comment
  CAS-BOT-BC26962  Amsinckia strigosa Alice Eastwood 1914-3-14 3773 Contra Costa Byron Springs Comment
  UC2062623  Anagallis arvensis Barbara Ertter 2002-5-11 17835 Contra Costa Southwest base of Mount Diablo, east end of Green Valley Trail at crossing of private drive. Comment
  UC2027832  Ancistrocarphus filagineus Barbara Ertter with John Ginochio and Mary Bowerman 2001-5-8 17631 Contra Costa northwest flank of Mount Diablo, Ginochio property north of park boundary on Long Ridge. Comment
  CAS-BOT-BC46937  Androsace elongata subsp. acuta Mary L. Bowerman 1932-3-12 1116 Contra Costa Alamo Canyon, 50' above stream. 365 Comment
  JEPS108327  Androsace elongata subsp. acuta David Gowen, Mike Parks 2005-3-6 177 Contra Costa Mt. Diablo State Park. North-facing slope not far from summit of Oyster Point. Comment
  SEINET10576437  Androsace elongata subsp. acuta John G. Lemmon 1872-1 Lemmon s.n. Contra Costa Mt. Diablo. Comment
  UC2062460  Anemopsis californica Barbara Ertter with David Gowen and Mike Park 2004-6-13 18374 Contra Costa Black Diamond Mines Regional Preserve, just downstream from old homestead on west side of Old Homestead Loop. Comment
  CHSC75049  Anthemis cotula Roger Thom 1987-5-27 24 Contra Costa 1900 block of Olympic Blvd. (at Newell Ave.), Walnut Creek. 15 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
  SEINET8242148  Antirrhinum vexillocalyculatum A. D. E. Elmer 1903-1 4809 Contra Costa Mount Diablo. Comment
  UC1614334  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Charles M. Belshaw 1935-6-24 1026 Contra Costa Sobrante Hills Comment
  UC691600  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Mary L. Bowerman 1932-9-3 1535 Contra Costa Muir Area; Mount Diablo Comment
  UC12054  Aphanes occidentalis F. T. Bioletti 1892-4-8 Contra Costa Byron 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
  UC691898  Apiastrum angustifolium Mary L. Bowerman 1932-4-27 1391 Contra Costa canyon w of Riggs Canyon (Mount Diablo, Oyster Ridge); Mount Diablo, Oyster Ridge 335 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
  UC691847  Apocynum cannabinum Mary L. Bowerman 1933-9-15 2440 Contra Costa s. face Meridian Peak (Hunt Spring); Mt. Diablo, Hunt Spring 762 Comment
  UC692183  Aquilegia formosa Mary L. Bowerman 1938-6-14 3686 Contra Costa Juniper Camp Mount Diablo Comment
  UC905142  Aquilegia formosa Sanford S. Tepfler 1949-5-2 1475 Contra Costa 2 mi s rd fork above St. Mary's College (near Moraga) Comment
  CAS-BOT-BC407800  Arceuthobium campylopodum L. R. Abrams 1910-10-8 4356 Contra Costa Mt. Diablo Comment
  UC1078914  Arceuthobium campylopodum Job Kuijt 1958-1-12 1444 Contra Costa Little Rock City Mount Diablo Comment
  UC465859  Arceuthobium campylopodum E. W. Hicks 1917-3-25 110 Contra Costa canyon, n slope Mt. Diablo Comment
  SEINET11989149  Arctostaphylos andersonii var. auriculata B. A. Stein 1981-1 460 Contra Costa Mt. Diablo State Park, Rock City Campground 457 Comment
  RSA622482  Arctostaphylos auriculata Jon E. Keeley 1996-6-24 27598 Contra Costa Above Rock City, Mt. Diablo. 540 Comment
Read comments
Jan 30 2013
  SBBG28871  Arctostaphylos auriculata L. S. Rose 1934-2-28 34039 Contra Costa S slope of Mt Diablo, 8 mi NE of Danville Comment
  UC1200411  Arctostaphylos auriculata Edward Lee 1936-1-12 1714 Contra Costa w-facing slope immediately s Nortonville Comment
  UC1485916  Arctostaphylos auriculata H. Stout and T. Wainwright 1980-3-27 2 Contra Costa 1 mi s Morgan Territory Rd. (on ridge-top); Mallory Ranch 609 Comment
  UC1980319  Arctostaphylos auriculata Barbara Ertter with David Gowen 2012-2-28 20932 Contra Costa ridge circled by lower (south) end of Whipsnake Loop; Contra Costa Water District land west of Los Vaqueros Reservoir; southeast of Morgan Territory Regional Preserve Comment
  CAS-BOT-BC23552  Arctostaphylos crustacea Neil Havlik; Walter Knight 1982-11-12 4548 Contra Costa Briones Regional Park adjacent to russell Tree Farm. 327 Comment
  CAS-BOT-BC23592  Arctostaphylos crustacea Steve Abbors 1980-3-24 s.n. Contra Costa Chemise Trail, Las Trampas Ridge, Las Trampas Regional Wilderness. 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-BC24809  Arctostaphylos glandulosa subsp. glandulosa Paul F. Covel 1938-2-20 1113 Contra Costa Moraga Ridge above Pinehurst. Comment
  UC1120123  Arctostaphylos glandulosa subsp. glandulosa N. French 1933-3-13 34 Contra Costa above dam; San Francisco Quadrangle, San Pablo Comment
  CAS-BOT-BC24654  Arctostaphylos glauca Mary L. Bowerman 1930-6-22 362 Contra Costa Mount Diablo, Mitchell Canyon. Comment
  CAS-BOT-BC24655  Arctostaphylos glauca Mary L. Bowerman 1933-3-11 1748 Contra Costa Mount Diablo, Fossil Ridge, outer s. face: In gully nw. of South Gate. Comment
  RSA632817  Arctostaphylos laevigata Jon E. Keeley 1996-6-24 27586 Contra Costa Above Rock City, Mt. Diablo. 540 Comment
  RSA632820  Arctostaphylos laevigata Jon E. Keeley 1996-6-24 27579 Contra Costa Above Rock City, Mt. Diablo. 540 Comment
  CAS-BOT-BC38877  Arctostaphylos manzanita subsp. laevigata Lewis S. Rose 1934-2-1 34012 Contra Costa Sandstone hills, S. slope, Mt. Diablo 609 Comment
  CAS-BOT-BC38879  Arctostaphylos manzanita subsp. laevigata H. E. McMinn 1923-3-6 884 Contra Costa Along roadside 1/4 (?) way from top of Mt. Diablo Comment
  RSA164649  Arctostaphylos manzanita subsp. laevigata Percy C. Everett 1963-11-19 24499 Contra Costa Mt Diablo. 457 Comment
  UC2027944  Arctostaphylos manzanita subsp. laevigata Barbara Ertter 1997-9-7 15797 Contra Costa North side Mount Diablo, Donner Canyon, Middle Trail below Falls Trail junction. Comment
  CAS-BOT-BC24400  Arctostaphylos manzanita subsp. manzanita Mary L. Bowerman 1933-3-25 1765 Contra Costa Mt. Diablo. Diablo Stock Farm (Stone Valley) Canyon, w. fork: toward top of s. face. Also shrubs on n. face of Pine Comment
  POM300725  Arctostaphylos manzanita subsp. manzanita Mary L. Bowerman 1933-3-25 1765 Contra Costa Emmons Canyon (off Stone Valley), west fork. Comment
  POM300726  Arctostaphylos manzanita subsp. manzanita Mary L. Bowerman 1932-1-19 1074 Contra Costa Inner Black hills, at west end of chaparral: Just over crest of ridge on north-facing slope. Comment
  CAS-BOT-BC42236  Arctostaphylos pallida Walter Knight; Irja Knight 1980-3-16 3714 Contra Costa Sobrante Ridge between Heavenly Ridge Land and Castro Ranch Road. Comment
  JEPS97533  Arctostaphylos pallida R. D. Stone 1981-1-31 335 Contra Costa Huckleberry Trail Oakland Hills, near Alameda-Contra-Costa county line (NE of intersection of Skyline Blvd. and Snake Rd.) Comment
  UC1120870  Arctostaphylos pallida R. W. Lundh 1933-1-12 188 Contra Costa 1/2 mi s Round Mt.; Concord Quadrangle 609 Comment
Read comments
Mar 14 2007
  UC32667  Arctostaphylos pallida E. R. Drew 1888-2-22 Contra Costa Moraga Valley Oak. Comment
  JEPS46276  Arctostaphylos tomentosa subsp. crustacea W. L. Jepson 1943-6-19 20851 Contra Costa Moraga Ridge Comment
  JEPS96258  Arctostaphylos tomentosa subsp. crustacea Dean Kelch 1995-3-14 97 .14 Contra Costa Rock City Mt. Diablo; e. Contra Costa Co., , Rock City Comment
  RSA202863  Arctostaphylos tomentosa subsp. crustacea Edward Lee 1935-12-28 1702 Contra Costa Western end of Las Trampas Ridge Comment
Read comments
Jul 2 2011
  UC1120128  Arctostaphylos tomentosa subsp. crustacea Beryl Schreiber 1938-9-18 2549 Contra Costa 0.5 mi ssw Round Top; Concord Quadrangle 335 Comment
  UC1332417  Arctostaphylos tomentosa subsp. crustacea Edward Lee 1935-12-28 1703 Contra Costa sw slope on w end of ridge Concord Quadrangle, Las Tampas Ridge 426 Comment
  UC549465  Arctostaphylos tomentosa subsp. crustacea J. E. Adams 1934-3-9 628 Contra Costa Moraga Ridge Comment
  UC692227  Arctostaphylos tomentosa subsp. crustacea Mary L. Bowerman 1931-3-1 543 Contra Costa e meridian (w part of chaparral); Mount Diablo, Inner Black Hills Comment
  CDA24528  Argemone munita subsp. rotundata Morgan 1958-5-16 Contra Costa Morgan Territorial Road, Clayton. 0 Comment
  JEPS32461  Aristolochia californica Mary Ann Linsford 1931-3-15 Contra Costa San Pablo Creek near Orinda Comment
  SJSU6159  Aristolochia californica C. O. Dudley 1966-5-1 106 Contra Costa Reliez Valley, Briones Hills N of Lafayette 152 Comment
  UC6151  Aristolochia californica Harley P. Chandler 1901-3-22 866 Contra Costa Port Costa San Francisco Bay Region, Port Costa Comment
  POM87995  Aristolochia californica H. M. Hall 1900-3-23 s.n. Contra Costa Lauterwasser Creek Comment
  UC449651  Artemisia californica W. P. Taylor 1912-7-16 Contra Costa 2 mi sw Walnut Creek 121 Comment
  LA202980  Artemisia californica J. A. Ewan; November 1934 9079 Contra Costa Wildcat Canyon, 0.75 mi. below Orinda road bridge Comment
  UC1584664  Artemisia douglasiana Jerry Powell 1990-8-29 1591 Contra Costa Antioch National Wildlife Refuge Comment
  UC630418  Artemisia douglasiana Paule Guiguet and Annetta Carter 1939-8-13 1451 Contra Costa se of Clayton; Mount Diablo drainage, Donner Creek 137 Comment
  CAS-BOT-BC90295  Artemisia douglasiana John Thomas Howell 1925-9-19 1467 Contra Costa East side of Moraga Ridge near south end, Oakland Hills Comment
  SEINET11773093  Arum italicum F. Tahbaz, Ghavamzadeh, G. 1992-1 416 Contra Costa Orinda, by creek on Moraga Way, across street from Camino Moraga Comment
  CAS-BOT-BC146259  Arundo donax Walter Knight; et al 1978-10-11 3328 Contra Costa Browns Island. Between South Landing and Alder Point. Comment
  JEPS5091  Asclepias californica Mary L. Bowerman 1935-5-1 2944 Contra Costa 4.4 mi from entrance (West road); Mount Diablo 381 Comment
  UCD150890  Asclepias fascicularis James A. Neilson Jr. 1972-11-2 3600 Contra Costa Walnut Creek drainage. Elevation estimated using Google Earth by label maker. 1 Comment
  UCR63400  Asclepias vestita Donald G. Nelson 1937-4-24 520 Contra Costa Marsh Creek Rd, between Byron & Clayton Comment
  JEPS79589  Aspidotis californica Edward Lee 1978-12-20 Contra Costa Devil's Elbow trail Mt Diablo 1036 Comment
  RSA721531  Aster chilensis Mary L. Bowerman 1993-10-19 s.n. Contra Costa Mount Diablo. Marsh Creek near Russelman Road. Comment
  CAS-BOT-BC180528  Astragalus asymmetricus M. K. Curran 1886-5-1 51 Contra Costa Antioch Comment
  POM19312  Astragalus asymmetricus Katherine Brandegee 1908-1 s.n. Contra Costa Near Antioch Comment
  CDA18030  Astragalus asymmetricus R. M. Case 1999-7-6 PDR 004803 Contra Costa Along Kikker Pass Rd, Pittsburg. 0 Comment
  CAS-BOT-BC177882  Astragalus didymocarpus var. didymocarpus M. K. C. 1886-5-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC177883  Astragalus didymocarpus var. didymocarpus Brandegee 1889-5-1 s.n. Contra Costa Antioch Comment
  SEINET948569  Astragalus nigrescens Lincoln Constance, Carl W. Sharsmith, Howard S. Reed 1940-1 2572 Contra Costa Pine Canyon, base of Mount Diablo. 305 Comment
  UC1199091  Astragalus tener var. tener J. P. Tracy 1900-3-24 611 Contra Costa Low ground near Stege. (region about San Francisco Bay); , near Stege. 3 Comment
  SEINET3869489  Athyrium filix-femina Kaye H. Thorne, L. Thorne; N. Thorne; J. Chandler 1986-7-27 4983 Contra Costa Franks Tract, along San Joaquin River delta, sand mound slough. SE portion Bethel Slough.; 0 610 Comment
  UC10226  Athysanus pusillus T. S. Brandegee Contra Costa Antioch Comment
  UC1607661  Athysanus pusillus Barbara Ertter with Michelle Seidl 1992-3-14 10920 Contra Costa e of Mount Diablo (Morgan Territory Regional Preserve); Morgan Territory Regional Preserve Comment
  JEPS108320  Athysanus pusillus David Gowen 2005-2-23 168 Contra Costa Mt. Diablo State Park. Juniper Trail just south of Silver Spring. Comment
  UCSB2239  Athysanus pusillus Kamb, Peter; Chisaki, Francia 1950-3-18 Contra Costa Saddle between North and South Peaks of Mount Diablo 883 Comment
  CAS-BOT-BC16333  Athysanus unilateralis Alice Eastwood 1914-3-14 3766 Contra Costa Byron Springs. Comment
  CDA9501  Atriplex argentea D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .228 Contra Costa Byron Airport. Comment
  RSA739722  Atriplex argentea subsp. expansa John Dittes 2006-10-26 1414 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
  RSA603503  Atriplex coronata Carol W. Witham 1994-8-6 587 Contra Costa along Kellogg Creek Road under transmission towers 3 Comment
  UCD77402  Atriplex coronata Robert E. Preston 2000-8-6 1430 Contra Costa Ca. 2 mi sw of Byron, in field along w side of Byron Hot Springs Rd, n of Armstrong Rd, T1S R3E se 1/4 Section 15 12 Comment
  UC70185  Atriplex joaquinana J. Burtt Davy May 1898 Contra Costa Danville region of Mount Diablo, Danville Comment
  UCD97555  Atriplex minuscula Robert E. Preston 1996-7-30 988 Contra Costa on both sides of Greenville Road, 1/2 mile south of I-580. Comment
Read comments
Sep 3 2012
  UC2027887  Atriplex prostrata Barbara Ertter with Chris Thayer 1996-10-25 15361 Contra Costa Northwest flank of Mount Diablo, Northgate Trail along Little Pine Creek between North Gate Road and Diablo Foothills Regional Park. Comment
  UC1607604  Atriplex triangularis Barbara Ertter with Elizabeth Neese 1988-10-15 7979 Contra Costa in salicornia marsh w. of I-580 in El Cerrito (w side along Rydin Road n of Central Avenue; edge of roadbank and marsh) Comment
  SD211583  Atriplex triangularis Barbara Ertter, Elizabeth Neese 1988-10-15 7979 Contra Costa Salicornia marsh West of I-580 in El Cerrito, West side along Rydin Road North of Central Avenue; edge of roadbank and marsh 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
  CAS-BOT-BC146024  Avena barbata John Thomas Howell 1983-5-12 54745 Contra Costa Mount Diablo. Juniper Camp. 914 Comment
  CDA19824  Avena fatua P. Akers 2002-5-11 s.n.- 1 a Contra Costa Northern California; Mt Diablo Rd. 205 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
  RSA301850  Avena fatua Mary L. Bowerman 1931-5-7 809 Contra Costa North Peak Comment
  RSA385404  Avena fatua H. de Forest 1930-7-5 s.n. Contra Costa Roadside near Moraga. Comment
  UC1103340  Avena fatua J. P. Tracy 1900-3-24 631 Contra Costa fields near Stege; Region about San Francisco Bay 3 Comment
  UCSB12521  Avena fatua Grah, Nancy 1962-4-14 Contra Costa 0.2 mi N of Miner Rd on Sleepy Hollow Lane; Orinda 182 Comment
  JEPS111682  Baccharis glutinosa D. G. Kelch 2003-8-13 03 .138 Contra Costa Pinole Creek 68 Comment
  SEINET11261322  Baccharis glutinosa Kaye H. Thorne, L. Thorne; N. Thorne; J. Chandler 1986-7-27 4963 Contra Costa Franks Tract, along San Joaquin River delta. Sand Mound Slough. SE portion of Bethel Slough.; 0 610 Comment
  UC1119665  Baccharis pilularis R. W. Lundh Sep 1932 159 Contra Costa 1 mi n North Peak; Mt. Diablo Quad. 609 Comment
  UC691906  Baccharis pilularis Mary L. Bowerman 1930-9-27 470 Contra Costa west road 2 miles from entrance North Road; Mount Diablo Comment
  UC36778  Balsamorhiza deltoidea J. Burtt Davy 1895-4-7 910 Contra Costa Antioch Comment
  UC2028394  Balsamorhiza deltoidea Barbara Ertter with Richard K. Brummitt 1998-5-13 16139 Contra Costa Black Diamond Mines Regional Preserve in hills south of Pittsburg, south leg of Loughler Loop Trail just west of pass over central ridge, NW-facing slope Comment
  CDA31460  Barbarea orthoceras D. G. Kelch 2006-5-27 6 .218 Contra Costa Pinole Valley Park, S of Pinole Valley Road near crest of El Sobrante Ridge. Comment
  CDA21555  Bassia hyssopifolia D. G. Kelch, Michael Park 2008-9-1 8 .293 Contra Costa Carquinez Strait; 200 m W of Pacheco Slough, E of Martinez. Comment
  UC103480  Bellardia trixago Mr. Skelton 1901-5-12 Contra Costa Martinez Comment
  POM300991  Bellardia trixago Mary L. Bowerman 1938-5-25 3632 Contra Costa North Road 1.6 miles from North Gate where stream crosses road. 152 Comment
  UCD122096  Bellardia trixago Ira J. Condit 1968-4-1 s.n. Contra Costa Walnut Creek. Comment
  UC1076434  Berberis pinnata Herbert L. Mason 1925-3-10 1298 Contra Costa Sycamore Canyon; Mt Diablo Comment
  CDA3009  Beta vulgaris C. Lasser 1960-4-19 Contra Costa State Highway, right of way between Concord Avenue and Grayson Creek. 0 Comment
  JEPS96225  Bidens laevis Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10873 Contra Costa just w Antioch marina (e end of marsh across from marina); Dow Wetlands Preserve Comment
  NY30996  Blennosperma californicum R. C. F. Bacigalupi 1957-3-27 5761 Contra Costa At junction of Lone Tree Way and Hillcrest Ave. (rd.), about 0.5 mile west of Lone Tree School 39.3 Comment
  NY31015  Blennosperma californicum L. S. Rose 1933-3-10 33008 Contra Costa Marsh Creek Comment
  NY31018  Blennosperma californicum L. S. Rose 1941-3-13 41035 Contra Costa 3 miles south of Byron 7.6 Comment
  RSA517739  Blennosperma nanum Donald G. Nelson 1937-3-30 459 Contra Costa Marsh Creek Highway, about halfway between Clayton and Bryon. Comment
  CAS-BOT-BC100704  Blennosperma nanum var. nanum Robert F. Hoover 1938-2-21 2750 Contra Costa Byron Hot Springs Comment
  UC894085  Blennosperma nanum var. nanum Lewis S. Rose 1941-3-13 41035 Contra Costa 3 mi s of, Byron 7 Comment
  CAS-BOT-BC127913  Blepharizonia laxa M. K. Curran 1883-10-1 s.n. Contra Costa Antioch Comment
  JEPS18823  Blepharizonia plumosa R. F. Hoover 1937-8-31 2704 Contra Costa Pittsburg Comment
  UC311580  Blepharizonia plumosa Miss H. A. Walker 1916-8-28 3922 Contra Costa near Antioch (Los Medanos); Los Medanos Comment
  SEINET183705  Boechera breweri L. Constance, J. L. Morrison 1938-4-5 2192 Contra Costa Near Mitchell Canyon on west slope of Mount Diablo. 610 Comment
  CAS-BOT-BC15963  Boechera breweri subsp. breweri Dr. A. Kellogg; W. G. W. Harford 1868-4-28 41 Contra Costa Mount Diablo. Comment
  CAS-BOT-BC15966  Boechera breweri subsp. breweri A. D. E. Elmer 1903-6-1 5096 Contra Costa Mount Diablo. Comment
  CAS-BOT-BC27013  Boechera breweri subsp. breweri William Henry Brewer 1862-5-14 1086 Contra Costa Summit of Monte Diablo Comment
  UC10111  Boechera breweri subsp. breweri H. P. Chandler and H. M. Hall 1901-4-5 Contra Costa Mt. Diablo summit Mt. Diablo Comment
  UC691069  Boechera breweri subsp. breweri Mary L. Bowerman 1932-4-16 1344 Contra Costa Eagle Point Mount Diablo Comment
  CAS-BOT-BC15967  Boechera breweri subsp. breweri Mary L. Bowerman 1932-3-27 1142 Contra Costa Mount Diablo. On Mitchell Rock. Comment
  SEINET5340097  Boechera breweri subsp. breweri W. C. Blasdale 1896-2-28 s.n. Contra Costa Mt. Diablo Comment
  UCD102382  Boechera breweri subsp. shastaensis Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-24 s.n. Contra Costa Mount Diablo State Park. Devils Elbow-Devils Pulpit. 1060 Comment
  RSA102247  Boisduvalia cleistogama M. K. Curran 1886-05 s.n. Contra Costa Near Antioch. Comment
  CAS-BOT-BC31334  Bolboschoenus maritimus Walter Knight; Joanne Dean 1978-8-14 3161 Contra Costa Browns Island. Comment
  JEPS2846  Bolboschoenus maritimus subsp. paludosus J. Burtt Davy 1897-9-4 4075 Contra Costa Stege; ; Stege, Contra Costa Co. Comment
  UCD146728  Bolboschoenus maritimus subsp. paludosus G. F. Hrusa; D. Crowe 1998-5-8 14395 Contra Costa Sacramento-San Joaquin River Delta. East end of Dow Chemical property in Pittsburg. 15 Comment
  JEPS111884  Bolboschoenus robustus D. G. Kelch 2003-8-13 03 .104 Contra Costa Martinez Marsh 0 Comment
  SEINET11748149  Bolboschoenus robustus Unknown 1940-1 1004 a Contra Costa 2 mi S of San Rafael ferry dock Comment
  CAS-BOT-BC95326  Bowlesia incana Mary L. Bowerman 1931-3-21 591 Contra Costa Sycamore Canyon, Mount Diablo Comment
  CAS-BOT-BC95329  Bowlesia incana Mary L. Bowerman 1935-6-1 3098 Contra Costa Pine-Mitchell divide, Mount Diablo 975 Comment
  UC691789  Bowlesia incana Mary L. Bowerman 1933-6-7 2259 Contra Costa Mount Diablo, North Peak Ridge North Peak Ridge; Mount Diablo, North Peak Ridge 1021 Comment
  UC692372  Bowlesia incana Mary L. Bowerman 1933-4-22 1889 Contra Costa Mount Diablo, Curry-Cave Point Trail Mount Diablo; , Curry-Cave Point Trail 426 Comment
  RSA721286  Brachypodium distachyon Barbara Ertter, Mary L. Bowerman 1995-5-7 14026 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, along road through annual grassland with scattered blue oak south of Marsh Creek. Road. summit. 305 Comment
  UC1819038  Brachypodium distachyon Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14244 Contra Costa South side Mount Diablo, Sloan Road between Curry Point and Curry Canyon, roadside in partial shade of oak forest on north-facing slope. 487 Comment
  CAS-BOT-BC36726  Brassica rapa Ira L. Wiggins 1930-4-18 4609 Contra Costa Jersey Island. Comment
  CAS-BOT-BC36723  Brassica rapa R. E. Frenkel 1963-8-22 273 Contra Costa On the lot in front of Market Plaza Center on Highway 21, Alamo. 79 Comment
  CAS-BOT-BC106276  Brickellia californica H. E. McMinn 1922-10-17 400 Contra Costa Mitchell Canyon, Mt. Diablo Comment
  JEPS99494  Brickellia californica Mary Bowerman 1994-10-30 Contra Costa Mount Diablo, Hetherington Loop, streamlet just below upper stream crossing. Comment
  CHSC116650  Briza minor Lowell Ahart; Josephine Guardino 2016-4-19 20789 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
  JEPS127232  Briza minor Lowell Ahart, Josephine Guardino 2016-4-19 20789 Contra Costa 1.4 miles (air) northwest of Los Vaqueros Reservoir Marina, 1.9 miles (air) southwest of Los Vaqueros Dam, approximately 25 miles (air) southwest to Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Springs USGS 7.5' Quad. Comment
  UC1618319  Brodiaea elegans subsp. elegans Barbara Ertter 1990-5-19 8995 Contra Costa n Lafayette (edge of ridge road); Briones Regional Park, Lafayette Ridge 365 Comment
  CAS-BOT-BC484265  Brodiaea elegans subsp. elegans J. Bauer 1851-11-1 s.n Contra Costa Mt. Diablo (handwriting inlegible) Comment
  POM300677  Bromus berteroanus Mary L. Bowerman 1933-4-15 1874 Contra Costa Mount Diablo; Canyon south of Arroyo del Cerro: Rocky knoll 250 feet below spring. 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
  RSA32317  Bromus diandrus Mary L. Bowerman 1933-5-11 2088 Contra Costa Inner Black Hills west of saddle: open ridge Comment
  UC579864  Bromus diandrus Annetta Carter 1936-4-19 1128 Contra Costa San Francisco Bay, Red Rock Red Rock; San Francisco Bay, Red Rock Comment
  UC606741  Bromus diandrus Edward Lee 1936-4-19 1963 Contra Costa San Francisco Bay, ne corner of Red Rock Red Rock; San Francisco Bay, Red Rock Comment
  UCD58550  Bromus diandrus A. A. Beetle 1942-3-22 2932 Contra Costa Brooks Island in San Francisco Bay. Comment
  UCD84945  Bromus diandrus Chuck Hughes 2010-3-29 217 Contra Costa About 0.7 mile south of Vasco Road. 238 Comment
  UC2032813  Bromus hordeaceus Doran, Andrew Scott 2012-3-20 683 Contra Costa North end of Brooks Island along ridge, cleared area northwest of caretakers residence. Comment
  UC60202  Bromus hordeaceus J. B. Davy 1898-1 Contra Costa Mount Diablo Region, Danville Danville; Mount Diablo Region, Danville Comment
  UCD38558  Bromus hordeaceus Beecher Crampton 1956-5-14 3417 Contra Costa 0.5 mile northwest of Martinez. Comment
  UC692364  Bromus laevipes Mary L. Bowerman 1935-5-16 2993 Contra Costa Mount Diablo, Russelman Park, just s of the n baundary of section 25 (e of gate) Russelman Park; Mount Diablo, Russelman Park Comment
  UC692368  Bromus laevipes Mary L. Bowerman 1935-5-30 3095 Contra Costa between two ridges which converge at Twin Peaks ((Eagle Point Ridge)); Mount Diablo 350 Comment
  UC697124  Bromus madritensis subsp. rubens Mary L. Bowerman 1935-5-8 2979 Contra Costa first main ridge e of Pioneer Camp (Mount Diablo); Mount Diablo Comment
  CAS-BOT-BC162018  Bromus racemosus P. F. Knowles 1942-1-1 B 70 Contra Costa 1 mile west of Rodeo. Davis. Comment
  CAS-BOT-BC161949  Bromus rubens Mary L. Bowerman 1933-5-9 2039 Contra Costa Mount Diablo. East of Pioneer Camp. Comment
  POM300688  Bromus rubens Mary L. Bowerman 1933-5-2 1944 Contra Costa Below Pioneer Camp; Mount Diablo. 762 Comment
  CDA8350  Bromus sterilis D. G. Kelch, A. G. Murdock 2005-5-13 05 .268-B Contra Costa Carquinez Strait; Martinez-West: Ozol Rock and Scenic Drive. Ozol rock in road cuts. 0 Comment
  JEPS111868  Cakile maritima D. G. Kelch 2004-7-9 04 .313 Contra Costa Rodeo Shoreline 0 Comment
  SEINET10521095  Calamagrostis rubescens Virginia E. Long 1933-6-14 Long 222 a Contra Costa Mt. Diablo. Inner Black Hills along with poison oak, N. slope. 564 Comment
  CAS-BOT-BC233995  Calandrinia breweri Mary L. Bowerman 1932-4-16 1338 Contra Costa Eagle Point ridge south of 1682 point, Mount Diablo 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
  CAS-BOT-BC438371  Calandrinia ciliata Alice Eastwood 1914-3-6 s.n. Contra Costa Concord Comment
  UC1050752  Calceolaria integrifolia N. Floy Bracelin 1942-6-28 2166 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC3357  Calochortus albus W. H. Brewer 1862-5-24 1157 Contra Costa se of Mt. Diablo Comment
  CAS-BOT-BC487477  Calochortus albus Robert F. Hoover 1939-4-26 4067 Contra Costa Head of Markley Canyon (west branch) Comment
  RSA0029055  Calochortus argillosus Barbara Ertter, Mary L. Bowerman, Lisa Schultheis 1998-8-21 16395 Contra Costa Southwest base of Mount Diablo, South Gate Road 0.7 mi from park boundary. Comment
  UC2028294  Calochortus argillosus Barbara Ertter, Dan Norris 1998-6-18 16219 Contra Costa west of Rock City area on south side of Mount Diablo, saddle on W Fossil Ridge Trail. Comment
  CAS-BOT-BC132488  Calochortus pulchellus A. D. E. Elmer 1903-6-1 4631 Contra Costa Mount Diablo Comment
  JEPS122394  Calochortus pulchellus Nisrine Machaka-Houri 2014-5-17 NG 14 Contra Costa Black Point Trail, Mitchell Canyon, Mt. Diablo State Park. Comment
  JEPS55634  Calochortus pulchellus Wayne Roderick 1967-5-30 Contra Costa ca 7 rd mi e Clayton (Marsh Creek Road, between Marsh Creek Stables and Inn) Comment
  OBI21346  Calochortus pulchellus Robert F. Hoover 1968-5-16 11092 Contra Costa Upper Marsh Creek Comment
  POM169905  Calochortus pulchellus A. D. E. Elmer 1903-06 s.n. Contra Costa Mount Diablo Comment
  RSA29584  Calochortus pulchellus Joseph A. Ewan 1934-4-8 8774 Contra Costa Mt. Diablo: South Fork Marsh Creek. Comment
  UC1134509  Calochortus pulchellus C. M. Belshaw 1936-5-12 2104 Contra Costa 1 mi s Tassajero Rd. summit; Mt. Diablo 304 Comment
Read comments
Dec 29 2006
  UC1614144  Calochortus pulchellus Charles M. Belshaw 1935-6-12 690 Contra Costa ca. 10 mi. n. Livermore (on Livermore-Clayton Rd., just n. of crest) 609 Comment
  UC204208  Calochortus pulchellus A. D. E. Elmer Jun 1903 4631 Contra Costa Mount Diablo Comment
  UC2028221  Calochortus pulchellus Barbara Ertter with Christopher Baysdorfer 1998-5-10 16125 Contra Costa West side Lime Ridge Open Space northwest of Mount Diablo. Comment
  JEPS112510  Calochortus superbus Christopher Thayer 1996-6-7 Contra Costa Oursan Trail above Hampton rd. East Bay Municipal Utility District property Comment
  CDA9192  Calochortus superbus Christopher Thayer 1996-6-7 s.n. Contra Costa On SW facing grassy slopes on Oursan Trail not far above Hampton Road. EBMUD property. 0 Comment
  RSA8517  Calochortus umbellatus J. T. Howell 1933-5-14 11261 Contra Costa Hills east of St. Marys college Comment
  CDA9096  Calochortus venustus D. G. Kelch 2007-6-3 7 .431 Contra Costa East Bay; Along gated portion of Hampton Rd N of San Pablo Reservoir. Comment
  JEPS122393  Calochortus venustus Nisrine Machaka-Houri with Gracie Benson-Martin 2014-5-17 NG 13 Contra Costa Golden Lily Trail, Mitchell Canyon, Mt. Diablo State Park. Comment
  UC197535  Calycadenia multiglandulosa H. M. Hall 1916-8-16 10274 Contra Costa 9 km s of Antioch; Horse Valley Comment
  CAS-BOT-BC275351  Calycadenia truncata var. truncata Mary L. Bowerman 1936-9-1 3536 Contra Costa Mount Diablo. Between North Peak and the mouth of Perkins Canyon 487 Comment
  CAS-BOT-BC275400  Calycadenia truncata var. truncata A. D. E. Elmer 1903-7-1 4759 Contra Costa Mount Diablo Comment
  JEPS31638  Calystegia purpurata W. L. Jepson 1922-6-7 9720 Contra Costa North Berkeley Hills Comment
  UC2032816  Calystegia purpurata Doran, Andrew Scott 2012-3-20 686 Contra Costa North end of Brooks Island along ridge, cleared area northwest of caretakers residence. Comment
  CAS-BOT-BC215917  Calystegia purpurata subsp. purpurata Alice Eastwood 1915-5-30 4437 Contra Costa Mt. Diablo Comment
  UC1594199  Calystegia sepium subsp. binghamiae Jerry Powell 1991-8-15 1614 Contra Costa Antioch National Wildlife Refuge Comment
  UC1618171  Calystegia sepium subsp. binghamiae Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10867 Contra Costa Dow Wetlands Preserve, just W of Antioch marina; along levee at water's edge, accessed from marina Comment
  CDA39893  Calystegia sepium subsp. limnophila D. G. Kelch 2004-7-9 4 .289 Contra Costa Carquinez Strait; Crockett; Edwards Creek, immediately below high school. 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
  UC1794983  Calystegia subacaulis subsp. subacaulis R. K. Brummitt and B. Ertter 1998-5-6 19784 Contra Costa Mt. Diablo, NW side, path to Mitchell's Rock 300 Comment
Read comments
Aug 3 2013
  UC1794986  Calystegia subacaulis subsp. subacaulis R. K. Brummitt and B. Ertter 1998-5-6 19788 Contra Costa Mt. Diablo, NE side, Donner Track 400 Comment
  UC1795008  Calystegia subacaulis subsp. subacaulis R. K. Brummitt and B. Ertter 1998-5-13 19835 Contra Costa Mt Diablo, near foot of southern ascent road 260 Comment
  RSA181415  Camissonia campestris subsp. campestris James I. McMurphy 1910-4-9 s.n. Contra Costa Antioch. Comment
  UC635287  Camissonia campestris subsp. campestris H. L. Mason 1929-3-31 5153 Contra Costa Antioch San Joaquin River (sand dike along river) Comment
  UC35394  Camissonia contorta Chesnut and Drew 1889-4-18 Contra Costa Antioch Comment
  UC2028251  Camissonia intermedia Barbara Ertter, Mary Bowerman, Lisa Schultheis 1998-8-21 16397 Contra Costa South side of Mount Diablo, South Gate Road 1.1 miles below entry kiosk. Comment
  RSA21593  Camissonia ovata Carl B. Wolf 1937-3-28 8318 Contra Costa 2 miles south of Pinole on San Pablo road 30 Comment
  RSA0068484  Camissoniopsis intermedia Katie Gallagher, Nick Jensen 2014-4-26 191 Contra Costa Las Trampas Regional Wilderness. 396 Comment
  UC635408  Camissoniopsis micrantha H. L. Mason 1932-3-20 6850 Contra Costa sand hills near Antioch Comment
  CAS-BOT-BC266436  Campanula exigua Alice Eastwood 1915-5-30 4452 Contra Costa Mount Diablo Comment
  JEPS2508 Image available Campanula exigua Volney Rattan 1886-6-14 Contra Costa summit Monte Diablo; Summit of Mt. Diablo Comment
  CAS-BOT-BC266435  Campanula exigua R. Bacigalupi 1946-5-30 2781 Contra Costa Juniper Camp, W shoulder of Mount Diablo Comment
  UC1051189  Campanula persicifolia var. alba N. Floy Bracelin 1944-6-19 2737 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  SEINET5573395  Caprifoliaceae H. S. Gentry 1931-1 59 Contra Costa Collected near Buckle Point, Mount Diablo. Comment
  UC691065  Capsella bursa-pastoris Mary L. Bowerman 1931-2-8 505 Contra Costa Mount Diablo, West Road(=North Rd), a few mi from entrance Mount Diablo 396 Comment
  UC762889  Cardamine californica R. F. Hoover 1938-2-21 2754 Contra Costa Point Richmond Comment
  CAS-BOT-BC37863  Cardamine oligosperma Mary L. Bowerman 1932-3-6 1100 Contra Costa Mount Diablo. Sycamore Canyon, east fork. Near trail. Comment
  UC691066  Cardamine oligosperma Mary L. Bowerman 1932-3-6 1100 Contra Costa e fork Sycamore Canyon (near trail, Mount Diablo); Mount Diablo, e fork Sycamore Canyon Comment
  UC2028048  Cardamine oligosperma Barbara Ertter 1998-2-15 15914 Contra Costa Shell Ridge Open Space on northwest base of Mount Diablo, outcrops on north side of Joaquin Ridge south of Indian Creek, +/- wooded. Comment
  UC2029039  Cardamine oligosperma Barbara Ertter 2000-3-19 16897 Contra Costa Southwest side of Mount Diablo, Stage Road along Pine Creek, ca 1/2 mile above Pine Pond. Comment
  CDA935  Cardaria chalepensis D. G. Kelch 2006-5-2 6 .214 Contra Costa Carquinez Strait; Fernandez Ranch; W. Christie Rd. Comment
  JEPS59104  Carduus pycnocephalus subsp. pycnocephalus W. L. Jepson 1943-5-27 20840 Contra Costa near Black Hills; Mt. Diablo Comment
  UC691374  Carduus tenuiflorus Mary L. Bowerman 1932-5-6 1412 Contra Costa on floor of Mitchell Canyon; Mount Diablo, Mitchell Canyon 213 Comment
  CAS-BOT-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
  JEPS124459  Carex barbarae Daniel Slakey with CNPS Volunteers 2015-6-29 135 Contra Costa Mt. Diablo State Park. Slope above Emmons Canyon, along access trail from Macedo Ranch Staging Area. Comment
  JEPS25138  Carex barbarae G. Thomas Robbins 1959-5-16 4008 Contra Costa Caly [clay] banks and rivulet just north of Point Orient, Potrero Hills, overlooking San Francisco Bay, Richmond Comment
  UC2028524  Carex globosa Barbara Ertter 1997-11-1 15880 Contra Costa South side Mount Diablo, near Balancing Rock on Knobcone Point Road. Comment
  SEINET11268158  Carex globosa Barbara Ertter, Dan Norris 1998-6-18 16230 Contra Costa Black Hawk Ridge Road below Knobcone Point Road, south side of Mount Diablo.; 0 Comment
  UC2028594  Carex globosa Barbara Ertter with Alan Whittemore, Joanne Kerbavaz, et al. 2001-5-22 17647 Contra Costa South side Mount Diablo, flat at confluence of West (Madrone) and East forks of Sycamore Creek. Comment
  UC2070637  Carex leptopoda Barbara Ertter with Debra Trock 2005-6-25 18608 Contra Costa North end Redwood Regional Park, Stream Trail along Redwood Creek. Comment
  SEINET3451402  Carex praegracilis Dean G. Kelch, Andrew G. Murdock 2005-3-24 DGK 5 .064 Contra Costa Corquinez Strait Region, Corquinez Strait Region, Southern Point Pinole 3 Comment
  CAS-BOT-BC118346  Carex praegracilis G. Thomas Robbins; John Weiler 1959-5-23 4029 Contra Costa NW edge of Brooks Island, San Francisco Bay, Richmond. Comment
  RSA0027703  Carex praegracilis Barbara Ertter 2001-5-10 17638 Contra Costa south side of Mount Diablo, Sulphur Spring tributary of west fork Sycamore Creek, ca 0.25 mi from Madrone Canyon Trail. Comment
  POM300643  Carex serratodens Mary L. Bowerman 1935-6-1 3120 Contra Costa Mount Diablo: Grapevine Picnic Grounds (by road just below Silver Spring) 854 Comment
  UC2028564  Carex serratodens Barbara Ertter with Mary Bowerman 1996-11-1 15405 Contra Costa North base of Mount Diablo, lower Donner Creek between trailhead and cabin site, along now dried stream bed. Comment
  UC8054  Carex subbracteata Brewer 1862-4-30 1012 Contra Costa Walnut Creek Comment
  UC1096  Carex tumulicola Jos. Burtt Davy 1897-4-17 Contra Costa Point Isabel Comment
  UC2070591  Castilleja affinis Barbara Ertter with Steve Matson 2003-3-15 18100 Contra Costa Black Diamond Mines Regional Preserve, north slope of Rose Hill. 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
  JEPS23818  Castilleja affinis subsp. affinis G. Thomas Robbins 1959-4-18 3990 Contra Costa about 0.25 mi e and above Pt. San Pablo; Richmond 30 Comment
  UC26404  Castilleja affinis subsp. affinis W. H. Brewer 1862-5-15 1093 Contra Costa Kirker Pass Comment
  CHSC116632  Castilleja attenuata Lowell Ahart; Josephine Guardino 2016-4-19 20778 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. Along the sides of the dirt roads, 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Dam, approximately 25 miles (air) southwest of Stockton. 160 Comment
  JEPS126599  Castilleja attenuata Lowell Ahart, Josephine Guardino 2016-4-19 20778 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Springs USGS 7.5' Quadrangle. 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. Comment
  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
  UC1819018  Castilleja densiflora subsp. densiflora Barbara Ertter, Diane Lake, Chris Thayer, Bruce Baeyert 1996-5-16 14676 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
  RSA0069378  Castilleja exserta Katie Gallagher, Nick Jensen 2014-4-26 211 Contra Costa Las Trampas Regional Wilderness. 487 Comment
  UC2070594  Castilleja exserta Barbara Ertter with Steve Matson 2003-3-15 18101 Contra Costa Black Diamond Mines Regional Preserve, west ridge of Rose Hill. Comment
  JEPS100149  Castilleja exserta subsp. exserta G. Smick 2003-3-25 GAS 78 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC2028155  Castilleja exserta subsp. exserta Barbara Ertter 1998-4-4 15956 Contra Costa Shell Ridge Open Space northwest of Mount Diablo. Comment
  UC1081509  Castilleja foliolosa H. L. Mason 1928-3-4 4169 Contra Costa Shell Ridge Comment
  UC691594  Castilleja foliolosa Mary L. Bowerman 1931-4-18 730 Contra Costa basin of ne-fork Sycamore Canyon; Mount Diablo Comment
  UC691651  Castilleja foliolosa Mary L. Bowerman 1933-3-25 1762 Contra Costa Diablo Stock Farm (Stone Valley) Canyon (= Emmons Canyon) Stone Valley; Mount Diablo Comment
  UC2045291 Image available Castilleja parviflora var. douglasii Mary L. Bowerman 1930-6-5 243 Contra Costa West road, 5.8 miles from entrance Comment
  UC691573  Castilleja rubicundula subsp. lithospermoides Mary L. Bowerman 1931-5-21 884 Contra Costa w of Curry-Cave Point trail; Mount Diablo 548 Comment
  UC691618  Castilleja rubicundula subsp. lithospermoides Mary L. Bowerman 1935-5-22 3035 Contra Costa n end Eagle Point ridge; Mount Diablo 289 Comment
  CAS-BOT-BC40485  Caulanthus lasiophyllus Bolander 1863-1-1 368 Contra Costa San Pablo Landing. 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
  RSA15450  Ceanothus cuneatus Alice Eastwood, John T. Howell 1936-4-19 s.n. Contra Costa Nortonville. Comment
  UC1070938  Ceanothus cuneatus var. cuneatus H. S. Yates 1936-3-14 5363 Contra Costa 2.5 mi sw Round Valley; Mt. Diablo quad 457 Comment
  JEPS42198  Ceanothus oliganthus var. sorediatus W. L. Jepson 1916-7-16 6814 Contra Costa Oakland hills Comment
  UC692590  Ceanothus oliganthus var. sorediatus Mary L. Bowerman 1932-5-6 1424 Contra Costa Mitchell Canyon Mount Diablo, Mitchell Canyon Comment
  CDA18840  Centaurea calcitrapa J. Vargas 1999-7-19 PDR 1219275 Contra Costa near the junction of Hwy 4 and Willow Pass Rd., nr. Concord. 0 Comment
  JEPS99959  Centaurea calcitrapa A. Langston 2003-7-28 AL 76 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC894356  Centaurea calcitrapa Milo S. Baker 5993 Contra Costa hwy. near Carquinez Bridge Comment
  JEPS44120  Centaurea melitensis W. L. Jepson 1922-7-9 9735 Contra Costa El Cerrito salt marsh El Cerrito 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
  RSA351522  Centaurea solstitialis B. C. Templeton 1962-6-20 s.n. Contra Costa Mount Diablo Comment
  UC1479603  Centaurea solstitialis Gloria Merrill 1980-5-30 Contra Costa ca. 2 mi w of junction with Marsh Creek Road El Camino (along Marsh Creek Road) Comment
  CDA36467  Centaurium tenuiflorum Ed Swan 2011-8-18 PDR# 1641228 Contra Costa Orinda; Bear Creek Road near Fire Trail 43-4. 0 Comment
  JEPS111774  Centranthus ruber D. G. Kelch 2004-6-19 04 .282 Contra Costa Crockett-Tormey Headlands. Along railroad tracks west of Carquinez Bridge Crockett (Valona) Contra Costa County CA 20 Comment
  UC2028105  Centranthus ruber Barbara Ertter with Christopher Baysdorfer 1998-5-10 16119 Contra Costa Lime Ridge Open Space northwest of Mount Diablo. Comment
  CAS-BOT-BC288545  Centromadia fitchii James I. McMurphy 1908-10-18 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC288546  Centromadia fitchii James I. McMurphy 1908-10-18 s.n. Contra Costa Antioch Comment
  UC697177  Centromadia fitchii Mary L. Bowerman 1936-9-17 3548 Contra Costa 2.5 mi from North Gate (North Road); Mount Diablo 243 Comment
  CAS-BOT-BC288537  Centromadia fitchii David D. Keck 1933-11-2 2616 Contra Costa 1 mile E of Nichols, N part of county Comment
  CAS-BOT-BC288876  Centromadia parryi subsp. congdonii L. R. Abrams 1910-10-9 4360 Contra Costa Between San Ramon and Dublin Comment
  UC523550  Centromadia parryi subsp. congdonii David D. Keck 1933-11-2 2610 Contra Costa Crow Creek Canyon Road 1/2 mi from turnoff San Ramon Comment
  CAS-BOT-BC288875  Centromadia parryi subsp. congdonii R. F. Hoover 1966-8-31 9943 Contra Costa Junction of Tassajara and Freitas Rds, E of Danville Comment
  UCD148253  Centromadia pungens Robert E. Preston 2013-6-21 2915 Contra Costa 3.5 mi SW of Byron. 72 Comment
  UCD14671  Centromadia pungens Mick Canaveri 1997-4-1 s.n. Contra Costa near Brentwood. Comment
  CAS-BOT-BC279179  Centromadia pungens subsp. pungens James McMurphy 1908-10-18 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC279181  Centromadia pungens subsp. pungens Walter Knight; Irja Knight; et al 1978-9-5 3224 Contra Costa Browns Island Comment
  JEPS25331  Centromadia pungens subsp. pungens Andrew P. Nelson 1961-4-6 713 Contra Costa about 3 mi s Byron (on Byron Road, near Southern Pacific Railroad crossing) Comment
  UC306676  Centromadia pungens subsp. pungens A. D. E. Elmer 1903-5-1 4392 Contra Costa Walnut Creek Comment
  UC912272  Centromadia pungens subsp. pungens H. L. Mason 1929-9-21 5438 Contra Costa Marsh Creek Road Comment
  CAS-BOT-BC279199  Centromadia pungens subsp. pungens A. D. E. Elmer 1903-5-1 4392 Contra Costa Walnut Creek Comment
  CAS-BOT-BC279200  Centromadia pungens subsp. pungens A. D. E. Elmer 1903-5-1 4392 Contra Costa Walnut Creek Comment
  CAS-BOT-BC222901  Cephalanthus occidentalis Walter Knight; Joanne Dean 1978-8-14 s.n. Contra Costa Browns Island Comment
  UC1948960  Cerastium glomeratum William J. Ferlatte, L. Maynard Moe 1970-4-27 1233 Contra Costa San Francisco Bay: Red Rock Island Comment
  UC692408  Cerastium glomeratum Mary L. Bowerman 1931-3-7 545 Contra Costa Mt. Diablo, Sheep Camp Spring 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
  CAS-BOT-BC137008  Cercocarpus betuloides var. betuloides L. R. Abrams 1910-10-8 4355 Contra Costa Mt. Diablo Summit 1158 Comment
  JEPS45531  Cercocarpus betuloides var. betuloides W. L. Jepson 1920-9-6 9083 Contra Costa Mount Diablo Comment
  UC691104  Cercocarpus betuloides var. betuloides Mary L. Bowerman 1931-4-5 677 Contra Costa below Gregory Ranch (Mount Diablo); Mount Diablo Comment
  CAS-BOT-BC284217  Chaenactis glabriuscula var. megacephala A. A. Heller 1908-4-16 8894 Contra Costa East of Antioch 22 Comment
  POM54137  Chaenactis glabriuscula var. megacephala C. F. Baker 1903-4-27 2940 Contra Costa Antioch Comment
  UC692713  Chamaesyce ocellata Mary L. Bowerman 1930-10-19 494 Contra Costa little below rd junction West rd Comment
  JEPS111950  Chamaesyce serpens D. G. Kelch 2004-5-21 04 .221 Contra Costa Crockett - Edwards Canyon Edwards Creek EBRP Staging Area near Greenhouse 24 Comment
  JEPS111952  Chamaesyce serpens D. G. Kelch 2004-7-9 04 .301 Contra Costa McEwen Road McEwen marsh. McEwen Road North of Cummings Skyway 130 Comment
  JEPS99568  Chamaesyce serpillifolia subsp. serpillifolia Mary Bowerman 1975-9-14 Contra Costa Mount Diablo, Chase Pond. Comment
  UC2062625  Chamaesyce serpyllifolia var. serpyllifolia Barbara Ertter with John Ginochio 2002-6-1 17944 Contra Costa Ginochio house on south side of North Gate Road on NW base of Mount Diablo, lower Arroyo del Cerro. Comment
  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
  JEPS106987  Cheilanthes intertexta J. Greenhouse with Kevin Hintsa 2004-4-5 5086 Contra Costa Mt. Diablo, Fire Interpretive Trail, Devil's Pulpit 1088 Comment
  JEPS107063  Cheilanthes intertexta J. Greenhouse with Kevin Hintsa 2004-4-5 5086 Contra Costa Mt. Diablo, Fire Interpretive Trail, Devil's Pulpit 1088 Comment
  UC691914  Chenopodium berlandieri Mary L. Bowerman 1933-8-26 2417 Contra Costa roadside about 2 mi below Rock City; Mount Diablo, Black Hills Comment
  RSA0027945  Chenopodium californicum Barbara Ertter 1998-4-4 15964 Contra Costa Shell Ridge Open Space northwest of Mount Diablo, west side of rocky knoll between northwestern-most ridge and Indian Valley School. Comment
  UC322989  Chenopodium vulvaria A. M. Burton 1927-8-26 Contra Costa near Concord Comment
  UC692148  Chorizanthe membranacea Mary L. Bowerman 1930-6-28 403 Contra Costa lower Silver Spring , lower Silver Spring (Mount Diablo) Comment
  UCSB27371  Chrysolepis chrysophylla Havlik, Neil 1969-7-18 Contra Costa on the ridgetop of Moraga Ridge, east of Oakland 335 Comment
  JEPS38066  Chrysolepis chrysophylla var. minor W. L. Jepson Oct 1909 3495 Contra Costa Moraga Ridge Comment
  JEPS48971  Chrysolepis chrysophylla var. minor H. M. Wheeler 1944-1-16 27512 Contra Costa Moraga Ridge; Oakland Hills Comment
  OBI3333  Chrysolepis chrysophylla var. minor Neil Havlik 1969-3-25 305 Contra Costa Below Villanova Rd, Oakland HIlls Comment
  POM202440  Cicuta bolanderi J. W. Congdon 1893-7-30 s.n. Contra Costa Martinez. Comment
  UC71900  Cirsium brevistylum W. A. Setchell 1897-3-21 Contra Costa Wild Cat Canon Comment
  UC1119189  Cirsium cymosum var. cymosum C. M. Belshaw 1936-5-7 2050 Contra Costa 2 mi n of Danville; Mt. Diablo Quadrangle 243 Comment
  UCD130639  Cirsium occidentale var. californicum P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  CDA1530  Cirsium quercetorum M. K. Bellue 1954-5-1 s.n. Contra Costa Concord. Comment
  UC71884  Cirsium quercetorum Jos. Burtt Davy 1897-4-17 Contra Costa Point Isabel Comment
  CAS-BOT-BC162567  Clarkia affinis Alice Eastwood 1915-5-30 s.n. Contra Costa Mt. Diablo Comment
  JEPS107121  Clarkia affinis Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14224 Contra Costa Mt. Diablo, southeast of Walnut Creek, north of Curry Point 518 Comment
  JEPS111557  Clarkia affinis A. G. Murdock 2003-6-2 85 Contra Costa Port Costa - Reservoir: Uphill bank at east Crockett-Port Costa junction 28 Comment
  JEPS78818  Clarkia affinis Edward Lee 1936-5-24 2158 Contra Costa about 2 mi se Curry Canyon; Morgan Territory, Marsh Creek 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
  UC2028321  Clarkia affinis Barbara Ertter, Susan D'Alcamo 1998-6-12 16155 Contra Costa North Gate Road on west flank of Mount Diablo near Buckle Point. Comment
  UC169380  Clarkia biloba Katharine Brandegee June 1905 Contra Costa Port Costa Comment
  UC85528  Clarkia biloba Katharine Brandegee 1907-7-4 Contra Costa between Martinez and Port Costa Comment
  LA106651  Clarkia biloba subsp. biloba W. L. Jepson; 1918-6-3 7585 Contra Costa Donner Canyon, Mount Diablo 685 Comment
  CAS-BOT-BC163603  Clarkia biloba subsp. biloba C. L. Hitchcock 1928-6-5 15 Contra Costa Between Port Costa and Crockett, 1 mile west of Port Costa 5 Comment
  CAS-BOT-BC163607  Clarkia biloba subsp. biloba V. Rattan 1886-1-1 s.n. Contra Costa Unspecified Comment
  JEPS75483  Clarkia concinna subsp. concinna P. F. Yorks 1975-6-10 432 Contra Costa ca. 1.9 km s Bear Creek Road (on Hampton Rd., n of Briones Reservoir); Hampton Road Natural Reserve 180 Comment
  CAS-BOT-BC171989  Clarkia epilobioides K. Brandegee s.n. Contra Costa Antioch Comment
  UC2028301  Clarkia gracilis subsp. gracilis Barbara Ertter, Susan D'Alcamo 1998-6-12 16190 Contra Costa North Peak Trail south of Prospectors Gap on east side of Mount Diablo summit. Comment
  RSA355431  Clarkia heterandra Anstruther Davidson 1917-07 3289 Contra Costa Mt. Diabolo [Diablo] Comment
  RSA0031307  Clarkia purpurea Barbara Ertter 2000-5-14 16996 Contra Costa Lower Donner Canyon on north side of Mount Diablo, on Hetherington Trail. 274 Comment
  UC2028270  Clarkia purpurea Barbara Ertter 1999-6-12 16707 Contra Costa Black Hawk Ridge Road between Knobcone Point Road and NE fork of Sycamore Creek, South side of Mount Diablo. Comment
  JEPS111562  Clarkia purpurea subsp. purpurea A. G. Murdock 2004-5-28 294 Contra Costa Pinole Peak 405 Comment
  UCSC008679  Clarkia purpurea subsp. purpurea Randall Morgan 1999-6-7 3535 B Contra Costa Byron Comment
  CDA31204  Clarkia purpurea subsp. quadrivulnera D. G. Kelch, Troy McGregor; Ed Biffin 2010-6-1 10 .221 Contra Costa Mt. Diablo. Knobcone Point Rd. Comment
  CDA9187  Clarkia purpurea subsp. quadrivulnera Christopher Thayer 1995-6-5 s.n. Contra Costa Carquinez Strait; W of Pinole Peak. Comment
  UC692442  Clarkia purpurea subsp. quadrivulnera Mary L. Bowerman 1931-5-2 799 Contra Costa foot Eagle Point ridge; Mount Diablo 228 Comment
  CDA9193  Clarkia purpurea subsp. quadrivulnera Christopher Thayer 1995-5-2 s.n. Contra Costa Carquinez Strait; Carquinez Scenic Dr near Ozol entrance gate. 0 Comment
  UC1279947  Clarkia rubicunda Peter H. Raven 1957-7-5 11049 Contra Costa 0.2 mi from tip Point Richmond 106 Comment
  UC114011  Clarkia rubicunda Katharine Brandegee 1908-7-3 Contra Costa n side Point Isabel (type locality) Comment
  CHSC75102  Clarkia unguiculata Roger Thom 1987-5-18 12 Contra Costa 1.0 mi from intersection with Pleasant Hill Rd. on Reilez Valley Rd. Lafayette (1600 block). Road cut. 182 Comment
  JEPS43602  Clarkia unguiculata W. L. Jepson 1918-6-5 7598 Contra Costa Donner Canyon Mt. Diablo 533 Comment
  UC1795692  Clarkia unguiculata Barbara Ertter, Kristin Ertter 1995-7-11 14477 Contra Costa Stage Road along Pine Cr. in Diablo Foothills Regional Park southwest of Walnut Creek; partial shade of oak forest, 152 Comment
  UC172943  Claytonia exigua subsp. exigua C. F. Baker 1903-4-28 2816 Contra Costa Mt. Diablo, Mithcell's Canyon Comment
  UC7852  Claytonia exigua subsp. exigua Brewer 1056 Contra Costa Mt. Diablo Comment
  UC7885  Claytonia exigua subsp. exigua W. H. Brewer 1862-5-7 1056 Contra Costa Mount Diablo Comment
  UC7935  Claytonia exigua subsp. exigua W. H. Brewer 1862-5-7 1059 Contra Costa Summit of Mt. Diablo; Mt. Diablo Comment
  CAS-BOT-BC439169  Claytonia exigua subsp. exigua W. H. Brewer 1862-5-12 1082 Contra Costa Monte [Mount] Diablo Comment
  UCD102390  Claytonia gypsophiloides Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-24 s.n. Contra Costa Mount Diablo State Park. North Peak Road to North Peak. 880 Comment
  UC1745427  Claytonia parviflora subsp. parviflora Annetta M. Carter, Leo Bowerman 1935-6-1 871 Contra Costa Mt. Diablo. Main ridge running W from peak. 975 Comment
  UC2027915  Claytonia parviflora subsp. parviflora Barbara Ertter with Dan Norris 2001-4-8 17578 Contra Costa Lime Ridge Open Space east of Walnut Creek, high part of main ridge. Comment
  RSA469286  Claytonia perfoliata Mark Morris 14913 Contra Costa Mt. Diablo. Comment
  POM225662  Claytonia perfoliata J. T. Howell 1931-3-10 5755 Contra Costa East side of Mt. Diablo 7 miles from Clayton on Livermore road. Comment
  RSA469285  Claytonia perfoliata H. de Forest 1930-4-6 s.n. Contra Costa [Unspecified] Comment
  CAS-BOT-BC439929  Claytonia perfoliata subsp. mexicana John Thomas Howell 1933-5-14 11251 Contra Costa Hills east of St. Mary's Comment
  CAS-BOT-BC440074  Claytonia perfoliata subsp. perfoliata Mary L. Bowerman 1932-3-12 1111 Contra Costa Mount Diablo. Alamo Canyon 350 Comment
  UC1745809  Claytonia perfoliata subsp. perfoliata Annetta M. Carter, Edward Lee 1935-3-29 756 Contra Costa Marsh Creek Rd., 1.2 mi. E of Clayton. Comment
  UC615386  Claytonia perfoliata subsp. perfoliata Beryl O. Schreiber 1932-2-28 32 Contra Costa near Concord Comment
  SEINET5336417  Claytonia perfoliata subsp. perfoliata C. M. Fryer 1948-4-11 6 Contra Costa In shady soptes, Mt. Diablo. Comment
  UCD100829  Claytonia perfoliata subsp. perfoliata Robert L. Rudd 1947-3-24 23 Contra Costa Picnic Ground, Wildcat Canyon. Comment
  CAS-BOT-BC91362  Clematis lasiantha Baki Kasapligil 1968-4-24 4270 Contra Costa Mount Diablo. Comment
  CAS-BOT-BC92548  Clematis ligusticifolia Paul F. Covel 1938-6-26 1516 Contra Costa Las Trampas Canyon (behind Saint Mary's). Comment
  RSA0028269  Clinopodium vulgare Barbara Ertter, David Gowen 2012-6-9 21018 Contra Costa Lower Vollmer Peak Trail paralleling South Drive, southeastern Tilden Park in Berkeley Hills. 426 Comment
  UCSC006802  Collinsia Randall Morgan 1988-4-29 1151 Contra Costa Scree at NW slope of Twin Peaks, Mt. Diablo Comment
  SEINET10865415  Collinsia concolor John T. Middleton 1936-3-18 Middleton 136 Contra Costa Briones valley. Comment
  UC1818904  Collinsia heterophylla Barbara Ertter, Mary Bowerman 1994-6-19 12852 a Contra Costa Mt. Diablo State Park east of Walnut Creek; scrub oak thicket north of road, north of lower summit parking lot, next to drainage on north facing slope. Comment
  RSA300992  Collinsia sparsiflora Mary L. Bowerman 1932-3-6 1101 Contra Costa Sycamore Canyon near mouth; West bank. Comment
  UC26642  Collinsia sparsiflora var. collina State Survey Contra Costa Mount Diablo Comment
  JEPS6266  Collinsia sparsiflora var. collina E. W. Hicks 1917-3-24 108 Contra Costa foot of W slope of Mount Diablo 304 Comment
  SBBG6880  Collinsia sparsiflora var. sparsiflora J. M. Tucker 1946-3-24 1381 Contra Costa hills between Nortonville and Somersville Comment
  RSA138305  Collinsia tinctoria Volney Rattan 1886-06 s.n. Contra Costa Mount Diablo Comment
  JEPS103103  Collomia diversifolia Mary L. Bowerman 1975-6-7 Contra Costa E of Murchio Gap, on and near fire road Mount Diablo Comment
  JEPS100090  Convolvulus arvensis G. Smick 2003-5-6 GAS 169 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC2027981  Conyza bonariensis Barbara Ertter, Chris Thayer 1996-10-25 15390 Contra Costa Southwest flank of Mount Diablo, lower South Gate Road just inside park boundary. Comment
  UC691785  Conyza canadensis Mary L. Bowerman 1930-10-4 477 Contra Costa Maple Spring Mount Diablo, Maple Spring Comment
  CDA7454  Conyza sumatrensis D. G. Kelch, A. G. Murdock 2003-8-13 3 .119 Contra Costa Carquinez Strait; Martinez - Train Station Comment
  UC1050105  Coprosma areolata N. Floy Bracelin 1942-3-22 1985 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  JEPS83160  Cordylanthus mollis subsp. mollis Jim Parker 1985-6-26 Contra Costa along slough just n BM 7 Hastings (s of Suisun Bay, between Martinez (to w) and Port Chicago); Concord Naval Weapons Station, Hastings Slough Comment
  JEPS74986  Cordylanthus nidularius T. I. and F. M. Chuang 1975-6-29 7517 Contra Costa NE of Deer Flat; Mt. Diablo Comment
  RSA412333  Cordylanthus pilosus subsp. pilosus Hattie Benton 1917-10 3294 Contra Costa Mt. Diablo. Comment
  UC691481  Cordylanthus pilosus subsp. pilosus Mary L. Bowerman 1936-8-8 3523 Contra Costa Emmons Canyon (Diablo Stock Farm [Wattis Ranch] Canyon, W fork Mount Diablo Comment
  CDA23597  Cornus sericea D. G. Kelch 2007-9-8 7 .579 Contra Costa Carquinez Strait; Pinole Valley Park. Comment
  UC1606422  Cornus sericea subsp. sericea Barbara Ertter, Chris Thayer 1993-5-7 11697 Contra Costa EBMUD land e. of Tilden Park (Hopkins Spring 1/2 mi. s.e. of Inspiration Pt. on Wildcat Canyon Rd.) 304 Comment
  LA40446  Cornus sericea subsp. sericea J. A. Ewan; 1936-7-5 9720 Contra Costa Reservoir road, Wildcat Creek Comment
  JEPS96226  Cortaderia jubata Barbara Ertter 1991-9-28 10854 Contra Costa e. end of Schmidt St. at recycling center El Cerrito (s. end of Hillside Natural Area) Comment
  CAS-BOT-BC190026  Cortaderia selloana Walter Knight 1978-9-19 3247 Contra Costa Browns Island. South Landing. Comment
  UCD37373  Cortaderia selloana Beecher Crampton 1959-9-3 5456 Contra Costa Contra Costa County, 2 miles southeast of El Sobrante, along San Pablo Dam Road. Comment
  CAS-BOT-BC169513  Corylus cornuta subsp. californica Frank W. Gould 1940-2-8 865 Contra Costa N side of Grizzly Peak 76 Comment
  CAS-BOT-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
  UCSB29429  Corylus cornuta subsp. californica Havlik, Neil 1969-7-3 Contra Costa Grizzly Pk., Berkeley Hills 457 Comment
  RSA729909  Cotoneaster pannosus Peter F. Zika, B. Ertter 2007-5-11 22967 Contra Costa Near Arlington Boulevard and Brewster Drive, city of El Cerrito (SnFrB = San Francisco Bay Area) 210 Comment
  UC1622290  Cotoneaster pannosus Barbara Ertter 1997-1-5 15431 Contra Costa at Lime Ridge between Walnut Creek and Clayton (Ygnacio Valley Road); Lime Ridge, Ygnacio Valley Road Comment
  UC2028453  Crassula aquatica Barbara Ertter with Joanne Kerbavaz 2000-8-20 17506 Contra Costa Hidden Pond on south side of Mount Diablo Comment
  UC1543007  Crassula aquatica Donald G. Nelson 1937-4-19 505 Contra Costa n.w. corner lot at Sacramento St. on Panhandle Blvd. El Cerrito (1 block w. of San Pablo Ave.) Comment
  CHSC21629  Crassula connata Willis Ball 1975-4-19 521 Contra Costa In area #8 ca. 450 yds s of main parking lot ca. 750 yds w of Conta Loma Blvd. Contra Costa Regional Park. 76 Comment
  UC1948949  Crassula connata William J. Ferlatte, L. Maynard Moe 1970-4-27 1234 Contra Costa San Francisco Bay: Red Rock Island 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
  JEPS25118  Crassula connata var. subsimplex G. Thomas Robbins 1959-3-15 3961 Contra Costa hills at e. edge Rodeo 12 Comment
  UC606743  Crassula connata var. subsimplex Edward Lee 1936-4-19 1967 Contra Costa bluff at n.e. corner of island Red Rock Comment
  SD241801  Crassula tillaea Barbara Ertter, Gary Schoolcraft 1996-4-7 14578 Contra Costa Molate Beach Park on San Francisco Bay north of San Rafael Bridge; bare edge of lawn-covered bluff. Comment
  UC2028043  Crassula tillaea Barbara Ertter 1998-3-1 15926 Contra Costa Diablo Foothills Regional Park, Ridge Trail on ridge east of Old Borges Ranch. Comment
  CDA19637  Crepis bursifolia Doreen Smith, Wilma Follette 2003-10-25 s.n. Contra Costa San Francisco Bay Area; Briones Park. 0 Comment
  JEPS117992  Crepis pulchra Zoya Akulova-Barlow 2011-6-13 Contra Costa Between west end of Gladys Street and Kearney Street. Comment
  UC70200  Cressa truxillensis J. Burtt Davy May 1898 Contra Costa region of Mt. Diablo, Danville Comment
  JEPS31075  Crocanthemum scoparium var. vulgare J. B. Davy 1895-1 Contra Costa Moraga Pass Oakland Hills 182 Comment
  UC692616  Crocanthemum scoparium var. vulgare Mary L. Bowerman 1932-4-9 1332 Contra Costa from near Rock City to ridge to Wall Point; Mount Diablo Comment
  UC762281  Crocanthemum scoparium var. vulgare R. F. Hoover 1939-5-20 4108 Contra Costa Head of Markley Canyon Comment
  UC765094  Croton californicus R. F. Hoover 1937-5-14 2113 Contra Costa Antioch sand-dunes Comment
  UCD141936  Croton californicus R. F. Hoover 1935-3-10 s.n. Contra Costa Antioch. Comment
  CDA32859  Crypsis schoenoides D. G. Kelch 2010-10-5 10 .421 Contra Costa The Delta; Just east of Antioch bridge. Comment
  UC1618174  Crypsis schoenoides Barbara Ertter 1989-9-30 8866 Contra Costa 1 1/4 mi nw of Inspiration Point (Tilden Regional Park e of El Cerrito, East Bay Skyline National Recreation Trail (=Nimitz Way)); Tilden Regional Park, E Bay Skyline Nat'l Recreation Trail Comment
  CAS-BOT-BC190082  Crypsis schoenoides R. E. Frenkel 1964-9-17 863 Contra Costa On Marsh Creek Road at shore of Marsh-Kellogg Creek Reservoir. 45 Comment
  UC2027935  Crypsis schoenoides Barbara Ertter with Chris Thayer 1996-10-25 15376 Contra Costa West side of Mount Diablo, North Gate Road 3 road miles below Junction near Mineral Spring. Comment
  UC691337  Cryptantha decipiens Mary L. Bowerman 1932-4-16 1345 Contra Costa Eagle Point Comment
  UC691402  Cryptantha flaccida Mary L. Bowerman 1933-5-2 1955 Contra Costa below Pioneer Camp; Mount Diablo 762 Comment
  UC691633  Cryptantha micromeres Mary L. Bowerman 1933-4-22 1901 Contra Costa w of Cave Point; Mount Diablo, Inner Black Hills Comment
  UC691393  Cryptantha nevadensis var. rigida Mary L. Bowerman 1932-4-9 1331 Contra Costa Mount Diablo; Inner Black Hills, small ridge E of S spur on meridian Comment
  CDA923  Cupressus macrocarpa D. G. Kelch 2006-5-5 6 .128 Contra Costa East Bay; Wildcat Canyon Regional Park. Near Wildcat Canyon Road terminus. Comment
  CAS-BOT-BC224390  Cuscuta californica James McMurphy 1908-10-18 s.n. Contra Costa Antioch Comment
  SD43450  Cuscuta californica var. californica Philip A. Munz 1937-10-8 12200 Contra Costa Near Antioch 7 Comment
  CDA21191  Cuscuta japonica R. Fonseca 2006-12-12 PDR 1373709 Contra Costa San Francisco Bay Area; 654 Marlesta Rd, Pinole. Sheet 1 of 2. 0 Comment
Read comments
Apr 29 2013
  CDA33352  Cuscuta japonica Niang/Slattengreen 2008-8-2 PDR# 1454024 Contra Costa El Sobrante; 5737 Skyview Place (near Richmond city limits?) 0 Comment
  CDA33492  Cuscuta japonica Yost 2008-7-17 PDR# 1454020 Contra Costa Antioch; 5124 Paddock Ct. 0 Comment
  CDA33504  Cuscuta japonica R. Fonseca 2008-10-27 PDR# 1455391 Contra Costa Rodeo; 2 California St. 0 Comment
  CDA33695  Cuscuta japonica Yost 2008-7-18 PDR# 1454447 Contra Costa Richmond; 105 Martin Dr. 0 Comment
  CDA7755  Cuscuta japonica Niang 2008-2-13 PDR# 1454473 Contra Costa Carquinez Strait; Rodeo, 2 California St. 0 Comment
  UC1949099  Cuscuta pacifica var. pacifica Barbara Ertter with Elizabeth Neese 1988-10-15 7978 Contra Costa Salicornia marsh W of I-580 in El Cerrito, W side along Rydin Road N of Central Avenue Comment
  UCD126330  Cuscuta salina Robert E. Preston; Eva Buxton 1994-8-4 677 Contra Costa east end of Briones Valley, west of Marsh Creek Reservoir. 60 Comment
  UC691365  Cuscuta subinclusa Mary L. Bowerman 1932-9-3 1536 Contra Costa Muir Area (Burn 1931) Mount Diablo Comment
  CDA4533  Cynara cardunculus T. C. Fuller 1957-10-2 399 -57 Contra Costa Antioch. 0 Comment
  UCD144310  Cynara cardunculus G. F. Hrusa; D. Crowe 1998-5-8 14357 Contra Costa Sacramento-San Joaquin River Delta. Dow Chemical property at Pittsburg. 5 Comment
  UC765557  Cynoglossum grande R. F. Hoover 1938-2-21 2752 Contra Costa Marsh Creek Comment
  CDA28981  Cynosurus echinatus D. G. Kelch, Suzanne Latham, Matt Beyers 2009-6-3 09 .330-B Contra Costa East Bay.; El Sobrante Ridge at end of Silver Belt Dr. on Miocene chert outcrop. Comment
  JEPS100020  Cynosurus echinatus S. O'Neil 2003-5-30 SEO 36 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC2028466  Cynosurus echinatus Barbara Ertter 1997-8-24 15769 Contra Costa Southwest side of Mount Diablo, Rock City area Comment
  CAS-BOT-BC114612  Cyperus eragrostis John Thomas Howell; Gordon H. True 1972-6-29 48936 Contra Costa Along ditches on Byron Hot Springs Road SE of Byron. Comment
  CAS-BOT-BC114613  Cyperus eragrostis James McMurphy 1908-10-18 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC114617  Cyperus eragrostis Walter Knight 1979-6-15 3394 Contra Costa Point Emmett. Brown's Island. Comment
  UC1446057  Cystopteris fragilis Alan Smith with Ed Lee 1979-4-25 732 Contra Costa trail beyond Devil's Elbow toward saddle between Mt Diablo and North Peak; n side Mt. Diablo 1066 Comment
  UC62454  Cystopteris fragilis unknown 1891-3-4 Contra Costa Comment
  RSA666380  Cytisus monspessulanus Barbara J. Ertter 1991-5-12 9816 Contra Costa Point Isabel Regional Shoreline in SW corner of El Cerrito, on San Francisco Bay. Comment
  UC1795750  Cytisus scoparius Barbara Ertter, Diane Lake, Chris Thayer, Bruce Baeyert 1996-5-16 14678 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
  UC641611  Danthonia californica G. L. Stebbins Jr. 1939-5-24 2714 Contra Costa opposite Berkeley Country Club Comment
  UC2070617  Danthonia californica Barbara Ertter 2002-5-16 17862 Contra Costa Richmond Field Station (UC-Berkeley). Comment
  UC691894  Daucus pusillus Mary L. Bowerman 1931-5-21 878 Contra Costa Curry-Cave Point trail Mt. Diablo; , Curry-Cave Point trail 304 Comment
  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-BC287374  Deinandra corymbosa Walter Knight 1979-9-15 3436 Contra Costa Point Pinole Regional Shoreline Comment
  CAS-BOT-BC287385  Deinandra corymbosa Peter H. Raven 1957-7-5 11052 Contra Costa At tip of Point Isabel Comment
  JEPS12629  Deinandra kelloggii M. K. Curran May 1886 Contra Costa near Antioch Comment
  JEPS38344  Deinandra kelloggii W. L. Jepson 1923-10-4 Contra Costa Antioch Comment
  UC88925  Deinandra kelloggii K. Brandegee 1889-5-1 Contra Costa Antioch Comment
  SEINET7838969 Image available Deinandra kelloggii K. Brandegee 1907-5-5 19 Contra Costa Near Antioch Comment
  UC523552  Deinandra lobbii David D. Keck 1933-11-2 2615 Contra Costa 1 mi e Nichols (northern Contra Costa County) Comment
  UC691948  Delphinium californicum Mary L. Bowerman 1935-5-30 3091 Contra Costa rock slide Mount Diablo, Eagle Point Ridge 350 Comment
  JEPS20341  Delphinium californicum W. L. Jepson 1918-6-3 7587 Contra Costa n slopes of mt Mt. Diablo, Donner Canyon (by dead streamlet in bottom of canyon) 685 Comment
  UCSB39457  Delphinium decorum Fritzke, Sue 1980-3-29 Contra Costa 0.5 miles from the east end of Ball Rd; in the Shell Ridge Open Space Area; SE of the rock quarry 124 Comment
  LA207419  Delphinium hansenii H. Lewis; Carl Epling 1947-5-4 703 Contra Costa Marsh Creek Road, 5.8 mi. E of Creek Park Rd Comment
  UC13984  Delphinium hesperium subsp. pallescens Chesnut and Drew 1889-4-17 Contra Costa Antioch 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
  UC101573  Delphinium hesperium subsp. pallescens Katharine Brandegee 1907-5-3 Contra Costa bet. Antioch and Marsh Creek Comment
  UC2027941  Delphinium hesperium subsp. pallescens Barbara Ertter with Alan Whittemore, Joanne Kerbavaz, et al. 2001-5-22 17646 Contra Costa South side Mount Diablo, Sycamore Creek Road at Devils Slide area. Comment
  CAS-BOT-BC9917  Delphinium nudicaule Alice Eastwood 1915-5-30 4501 Contra Costa Mt. Diablo Comment
  UC136343  Delphinium parryi subsp. parryi M. K. Curran May 1886 Contra Costa near Antioch Comment
  UC9148  Delphinium patens subsp. patens J. Burtt Davy 1896-2-29 1263 Contra Costa Mitchell Canyon, Mt. Diablo Comment
  LA207610  Delphinium recurvatum Carl Epling; G. Miles 1945-3-23 542 Contra Costa 5 mi. W Tracy- Byron Road on rd. to 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
  UC199142  Delphinium variegatum Chesnut and Drew 1887-4-16 Contra Costa Clayton Comment
  UC1050504  Dendromecon rigida N. Floy Bracelin 1941-4-27 1222 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UCSB25081  Dendromecon rigida Rieser, D. 1966-4-2 Contra Costa New Bear Creek Road, 2 mi. north of Old Dam Rd., Orinda 304 Comment
  UC60233  Deschampsia cespitosa subsp. beringensis Jos. Burtt Davy 1900-6-7 6667 Contra Costa near Martinez Martinez Comment
Read comments
Sep 27 2007
  UC1024732  Deschampsia danthonioides Leo Whitney 1935-4-21 3057 Contra Costa 4 mi. e. Corral Hollow Comment
  UC407375  Deschampsia danthonioides Ira L. Wiggins 1930-4-17 4576 Contra Costa 1/4 mi. s. Byron Comment
  UCD62786  Deschampsia danthonioides Beecher Crampton 1968-3-27 8235 Contra Costa SE corner, ca. 3.5 miles south of Byron. Comment
  CHSC97924  Deschampsia elongata D. G. Kelch 2002-6-18 02 .214 Contra Costa Wildcat Canyon Road in Tilden Park. Comment
Read comments
Dec 14 2010
  UCD18454  Deschampsia elongata Glen Holstein 2000-7-27 s.n. Contra Costa SE El Sobrante, NE side of San Pablo Ridge, along trails. Comment
  UC692102  Dicentra chrysantha Mary L. Bowerman 1932-9-3 1529 Contra Costa Muir Area; Mount Diablo Comment
  POM272496  Dicentra chrysantha L. R. Abrams 1921-5-25 8007 Contra Costa Halfway up road, Mt. Diablo Comment
  UC407076  Dicentra chrysantha L. R. Abrams 1921-5-25 8007 Contra Costa halfway-up road Mt. Diablo Comment
  UC2032818 Image available Dichelostemma capitatum Doran, Andrew Scott 2012-3-20 688 Contra Costa North end of Brooks Island along ridge overlooking artificial spit, southwest of caretakers residence. Comment
  UC30118  Dichelostemma capitatum W. C. Blasdale 1896-2-28 Contra Costa Clayton Comment
  UC765943  Dichelostemma capitatum R. F. Hoover 1938-2-21 2756 Contra Costa Point Richmond Comment
  CAS-BOT-BC500087  Dichelostemma capitatum James McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  RSA367471  Dichelostemma capitatum subsp. capitatum H. de Forest 1930-4-6 s.n. Contra Costa [No locality information provided] Comment
  UC1795813  Dichondra donelliana Barbara Ertter, Brad Olson 1994-5-7 12745 Contra Costa S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge. Comment
  UC1050524  Diervilla florida N. Floy Bracelin 1944-4-23 1200 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  CAS-BOT-BC150328  Diplacus aurantiacus D. E. Breedlove 1970-4-18 17427 Contra Costa At the north edge of Lafayette above Laurel Drive 243 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
  JEPS77000  Dirca occidentalis Robert M. Lloyd 1963-3-17 2131 Contra Costa Skyline Drive 0.5 mi e intersection with Grizzly Peak Road (across from 7090 Skyline, Huckleberry trail) Comment
  UC872740  Dirca occidentalis Lewis S. Rose 1939-1-24 39002 Contra Costa head of Wildcat Canyon Berkeley Hills 426 Comment
  LA209792  Dirca occidentalis Joseph Andorfer Ewan; 1934-3-10 8643 Contra Costa Wildcat Canyon, 2 mi below Orinda Rd bridge, Comment
  OBI78486  Dirca occidentalis A. Kay Ketcham 1968-3-21 16 Contra Costa Approx 300 yds S of Neil Havlik #88 at the S end of Charles Lee Tilden Regional Park Comment
  SEINET12190184  Dirca occidentalis J. T. Gregory 1936-1 1043 Contra Costa W branch San Pablo Creek on Tunnel Road 3 mi E of Berkeley Comment
  UC3567  Disporum hookeri W. H. Brewer 1862-5-16 1099 Contra Costa s of Mount Diablo 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
  RSA0028902  Distichlis spicata Barbara Ertter, Dan Norris 1999-11-14 16851 Contra Costa Black Diamond Mines Regional Preserve, south of parking area for Somersville townsite. Comment
  SEINET10558207  Distichlis spicata var. stolonifera Alan A. Beetle 1941-6-24 Beetle 1752 Contra Costa Point Richmond on San Francisco Bay, common in wet sandy places. Comment
  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
  UC1039536  Dodecatheon clevelandii subsp. patulum Herbert L. Mason 1929-3-15 5044 Contra Costa Nortonville Comment
  UC673358  Dodecatheon clevelandii subsp. patulum Herbert L. Mason 1925-2-28 1260 Contra Costa 1/2 mi e Rodeo; e of Rodeo Comment
  JEPS112042  Dodecatheon hendersonii A. G. Murdock 2003-2-21 70 Contra Costa Mt. Wanda - Martinez Edge of chaparral, northeastern area of Mt. Wanda property 115 Comment
  UC407372  Downingia insignis Ira L. Wiggins 1930-4-17 4570 Contra Costa 0.25 mi s Byron Comment
  RSA424714  Downingia insignis Aaron Liston 1987-4-27 670 -1 Contra Costa 3 miles S of Byron. Comment
  RSA622149  Downingia insignis John A. Churchill 1974-4-15 7441521 Contra Costa Between Route K4 and railroad at Holey Road. Comment
  JEPS14440  Downingia pulchella W. L. Jepson May 23 1891-May 24 1891 21212 Contra Costa Mt. Diablo Comment
  SEINET5718194  Drimys winteri Shirley C. Tucker 1955-1 6088 B Contra Costa University of California Botanic Garden, Berkeley.; UC Botanic Garden Comment
  CAS-BOT-BC159644  Drymocallis glandulosa var. glandulosa Mary L. Bowerman 1938-6-14 3679 Contra Costa Canyon Nook, one foot above stream - Mount Diablo Comment
  UC691093  Drymocallis glandulosa var. wrangelliana Mary L. Bowerman 1930-6-18 343 Contra Costa Dan Cook Canyon Mount Diablo, Dan Cook Canyon Comment
  CDA42720  Dryopteris arguta A. G. Murdock 2004-2-12 205 Contra Costa Franklin Canyon - McHarry Ranch Road. Comment
  CDA42722  Dryopteris arguta D. G. Kelch 2005-5-1 5 .19 Contra Costa Carquinez Strait; Crockett; Edwards Canyon. Comment
  UC1076338  Dryopteris arguta Herbert L. Mason 1924-11-23 1166 Contra Costa via Cashion Creek Las Trampas Ridge Comment
  UC692114  Dryopteris arguta Mary L. Bowerman 1930-8-24 427 Contra Costa lower trail Mitchell Canyon; Mt. Diablo 259 Comment
  CAS-BOT-BC70863  Dryopteris arguta D. E. Breedlove 1970-4-18 17443 Contra Costa north edge of Lafayette above Laurel Drive 243 Comment
  UC2028468  Echinochloa colona Barbara Ertter 1997-8-24 15776 Contra Costa Mount Diablo, Summit Road just above Junction Station Comment
  UC2028504  Echinochloa colona Barbara Ertter with Mary Bowerman, Lisa Schultheis 1998-8-21 16403 Contra Costa North Gate Road on west side of Mount Diablo, 0.7 miles below Diablo Ranch 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
  SEINET3407559 Image available Echinocystis fabacea Lewis S. Rose 1933-3-10 33010 Contra Costa Marsh Creek Comment
  RSA0027708  Eclipta prostrata Barbara Ertter 1996-9-19 15298 Contra Costa Antioch Marina, edge of Dow Marsh lands. Comment
  UC2027936  Eclipta prostrata Barbara Ertter 1996-9-19 15298 Contra Costa Antioch Marina, edge of Dow Marsh lands. Comment
  SEINET3892197  Eichhornia crassipes K. Thorne, L. Thorne; N. Thorne; J. Chandler 1986-7-27 4958 Contra Costa Franks Tract, along San Joaquin River delta. Sand Mound Slough. SE portion of Bethel Slough.; 0 610 Comment
  CAS-BOT-BC211459  Elaeagnus angustifolia Dr. E. C. Van Dyke 1941-10-4 s.n. Contra Costa River bank east of Antioch Comment
  RSA721534  Eleocharis acicularis var. acicularis Mary L. Bowerman 1975-9-14 s.n. Contra Costa Mount Diablo. Comment
  SEINET7714036  Ellisia chrysanthemifolia Chesnut, Drew 1889-4-15 Contra Costa Martinez Comment
  SEINET3558852 Image available Ellisia membranacea Lewis S. Rose 1933-3-10 33011 Contra Costa Brentwood. Comment
  UC756634  Elymus G. L. Stebbins Jr. 1946-6-9 3658 Contra Costa 2 mi e El Cerrito (near Mira Vista Country Club) Comment
  RSA129552  Elymus X gouldii H. S. Yates 1933-6-18 3649 Contra Costa Mt Diablo; Near Danville 137 Comment
  CDA6124  Elymus X hansenii D. G. Kelch 2007-5-12 7 .29 Contra Costa Carquinez Strait; Franklin Ridge, S of Hwy 4 at McEwen Rd. Comment
  UC692419  Elymus X saundersii Mary L. Bowerman 1935-5-25 3073 Contra Costa Devil's Pulpit Mount Diablo (w side, on edge of outcrop) 1082 Comment
  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
  CAS-BOT-BC227138  Elymus elymoides Roxana S. Ferris 1924-6-14 4090 Contra Costa Summit of Mt Diablo Comment
  UCD62270  Elymus glaucus J. B. Davy 1898-6-6 4242 Contra Costa Berkeley Hills. Comment
  UC2042778  Epilobium brachycarpum Barbara Ertter 1990-9-10 9637 Contra Costa Briones Regional Park, Briones Hills S of Martinez, eroded N-facing draw between Sindicich and Maricich lagoons. Comment
  UCD150882  Epilobium brachycarpum James A. Neilson Jr. 1972-11-2 3605 Contra Costa Walnut Creek drainage. Elevation estimated using Google Earth by label maker. 1 Comment
  UC692445  Epilobium campestre Mary L. Bowerman 1931-6-16 929 Contra Costa scattered in central area Chase Pond; Mt. Diablo 563 Comment
  UC101786  Epilobium campestre Katharine Brandegee 1907-6-16 Contra Costa near S.P. Station; Antioch Comment
  UC1818970  Epilobium campestre Barbara Ertter, M. L. Bowerman, L. Schultheis, Kevin Hintsa 1995-10-22 14531 Contra Costa Three Springs Trail on northeast side of Mt. Diablo, south of crest of Marsh Creek Rd. dried roadside pond, clay. Comment
  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
  UC521671  Epilobium canum subsp. canum Joseph Andorfer Ewan 1933-10-15 8023 Contra Costa water tank at Indian Ceremonial Spr. Mt. Diablo Comment
  CAS-BOT-BC166827  Epilobium canum subsp. latifolium A. D. E. Elmer 1903-7-1 4620 Contra Costa Mount Diablo 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
  UC1606307  Epilobium ciliatum subsp. ciliatum Barbara Ertter, Chris Thayer 1993-5-7 11693 Contra Costa on Wildcat Canyon Rd 1/2 mi se Inspiration Point (e of Tilden Park, marshy area); East Bay Municipal Utilities land, Hopkins Spring 304 Comment
  UC2070463  Epilobium ciliatum subsp. ciliatum Barbara Ertter with Brad Olson, Dianne Lake, Lynne Hosley and A. Youngson 1991-10-20 10877 Contra Costa Dow Wetlands Preserve, just W of Antioch marina. Comment
  UC1122344  Epilobium densiflorum H. S. Yates 1934-9-2 4075 Contra Costa 1 1/2 mi nw Orinda; Concord Quadrangle Comment
  UC19940  Epilobium densiflorum Bolander 6403 Contra Costa Mt. Diablo Comment
  UC692449  Epilobium densiflorum Mary L. Bowerman 1930-6-28 390 Contra Costa Lower Silver Spring Mount Diablo (marshy area) Comment
  UC692440  Epilobium minutum Mary L. Bowerman 1935-5-18 3022 Contra Costa nw-facing slope across road and a little e of parking area; Mount Diablo 1066 Comment
  UC2070524  Epipactis gigantea 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 18565 Contra Costa Long Ridge on west side of Mount Diablo, stringer below Moses Rock Spring on Burma Road. Comment
  UC4498  Epipactis gigantea F. T. Bioletti 1894-5-13 Contra Costa Mt. Diablo Comment
  CDA31168  Epipactis helleborine D. G. Kelch 2008-9-2 8 .305 Contra Costa Carquinez Strait.; Pinole Valley Park. Comment
  UC1050456  Epiphyllum N. Floy Bracelin 1941-5-4 1271 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  JEPS79478  Equisetum hyemale subsp. affine Edward Lee with C. Belshaw 1935-7-28 1700 Contra Costa w. end Las Trampas Ridge 426 Comment
  CAS-BOT-BC57134  Equisetum hyemale subsp. affine Walter Knight; Wayne Roderick; Steve Edwards; Bob Doyle 1978-9-19 3263 Contra Costa Browns Island, Alder Point Comment
  CAS-BOT-BC57135  Equisetum hyemale subsp. affine Mary L. Bowerman 1935-3-16 2744 Contra Costa Arroyo del Cerro, east fork: Ten feet below spring 289 Comment
  UC692131  Equisetum telmateia subsp. braunii Mary L. Bowerman 1939-3-31 3737 Contra Costa Johnny Walker Spring Mt. Diablo 731 Comment
  UC2028554  Equisetum telmateia subsp. braunii Barbara Ertter 1998-11-15 16462 Contra Costa North side Mount Olympia on north side Mount Diablo Comment
  CAS-BOT-BC204547  Eragrostis curvula John Thomas Howell 1954-9-5 30026 Contra Costa Marsh Creek Springs Park Comment
  JEPS116791  Eriastrum abramsii David Gowen 2006-6-14 609 Contra Costa Morgan Territory Regional Park; ; ; At the NW end of Eagle Trail. Comment
  JEPS120294 Image available Eriastrum ertterae David Gowen 2005-7-1 471 Contra Costa Lime Ridge Open Space. South of summit near power line area. Comment
  JEPS123272  Eriastrum ertterae David Gowen 2005-6-5 404 Contra Costa Lime Ridge Open Space. Hill 724 east of the golf course. Comment
  UC908868  Eriastrum pluriflorum Herbert L. Mason 1933-6-10 7252 Contra Costa Brentwood Comment
  UC1118630  Ericameria arborescens R. C. Wilson 1935-3-13 128 Contra Costa 1.5 mi w of Cave Pt.; Mt. Diablo Quadrangle 563 Comment
  CAS-BOT-BC287531  Ericameria linearifolia C. F. B. 1903-4-28 2942 Contra Costa Mitchell's Canyon, Mt Diablo Comment
  CDA20135  Ericameria linearifolia E. Fisher 2003-5-12 EF 1 -03 Contra Costa San Francisco Bay Area; Mt Diablo State Park, summit of Mt Diablo. 0 Comment
  POM289061  Ericameria linearifolia Lyman Benson 1935-3-16 6267 Contra Costa Mt. Diablo, Watershed: Walnut Creek; Mountain Range: Mt. Diablo. 915 Comment
  UC1118739  Ericameria linearifolia C. M. Belshaw 1936-5-8 2066 Contra Costa se slope of Mt. Diablo Mt. Diablo Quadrangle, Mt. Diablo (Plot 5) Comment
  UC36553  Ericameria linearifolia W. H. Brewer 1862-5-7 1054 Contra Costa Mount Diablo Comment
  CAS-BOT-BC300590  Erigeron foliosus var. franciscensis L. R. Abrams 1916-6-30 5701 Contra Costa Mt. Diablo near lake Comment
  JEPS99952  Erigeron foliosus var. franciscensis A. Langston 2003-6-30 AL 56 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC2070521  Erigeron foliosus var. franciscensis Barbara Ertter with Delia Taylor 2003-6-22 18228 Contra Costa Black Diamond Mines Regional Preserve south of Pittsburg, N-facing slope along Arata Overlook Trail NE of park headquarters. Comment
  UC691786  Erigeron petrophilus var. petrophilus Mary L. Bowerman 1930-10-19 489 Contra Costa at Garden-of-the-Gods; Mount Diablo, Fossil (Rock City) Ridge Comment
  JEPS111660  Erigeron philadelphicus var. philadelphicus A. G. Murdock 2004-4-30 251 Contra Costa McEwen Road West side of road 130 Comment
  RSA15452  Eriodictyon californicum Alice Eastwood, J. T. Howell 1936-4-19 s.n. Contra Costa Nortonville. Comment
  UC126026  Eriodictyon californicum Katharine Brandegee June, 1908 Contra Costa Antioch Comment
  UC1613946  Eriodictyon californicum Charles M. Belshaw 1935-6-24 1027 Contra Costa Sobrante Hills Comment
  CDA22474  Eriogonum angulosum J. Simmen 1958-11-6 1515 -58 Contra Costa Palm Tract, Brentwood. 0 Comment
  CAS-BOT-BC253239  Eriogonum fasciculatum var. foliolosum R. E. Frenkel 1963-11-2 304 Contra Costa Tilden Park, 1/4 mile south-east of Tilden Park Botanical Garden on east side of South Park Drive Comment
  UC691087  Eriogonum gracile Mary L. Bowerman 1932-8-27 1524 Contra Costa s Turtle Rock; Mount Diablo Comment
  CAS-BOT-BC250383  Eriogonum gracile John Thomas Howell 1932-10-2 10789 Contra Costa Marsh Creek Road southwest of Brentwood Comment
  CAS-BOT-BC250387  Eriogonum gracile John Thomas Howell 1929-7-20 4330 Contra Costa 2 miles s. of Oakley Comment
  JEPS75518  Eriogonum nudum var. auriculatum P. F. Yorks 1975-7-18 475 -A Contra Costa ca. 1.7 km s on Hampton Road in Hampton Road Natural Preserve Bear Creek Road (n of Briones Reservoir) 190 Comment
  POM179710  Eriogonum nudum var. auriculatum J. T. Howell 1930-7-4 5337 Contra Costa Rocky hilltop in the north Berkeley Hills. Comment
  CAS-BOT-BC269818  Eriogonum nudum var. psychicola Peter Rubtzoff 1954-9-14 1746 Contra Costa Along lower San Joaquin River, east of Antioch Comment
  UC1926783 Image available Eriogonum nudum var. psychicola Barbara Ertter 1997-8-18 15766 Contra Costa Contra Costa County: Antioch Dunes on San Joaquin River east of Antioch. Comment
  RSA766267  Eriogonum roseum Joseph A. Ewan 1933-10-15 8022 Contra Costa Grassy slope above Indian Ceremonial Spr., Mt. Diablo Comment
  RSA65310  Eriogonum truncatum J. T. Howell 1934-4-8 11816 Contra Costa 10 miles from Clayton on Marsh Creek Road Comment
  SBBG65483  Eriogonum truncatum M. K. Curran -May-1886 Contra Costa Antioch Comment
  UC692153 Image available Eriogonum truncatum Mary L. Bowerman 1936-6-20 3413 Contra Costa Knoll west of Mt. Zion, north end. Comment
  CAS-BOT-BC298505  Eriophyllum confertiflorum Mary L. Bowerman 1933-6-3 2224 Contra Costa 2 miles by road from North Gate Comment
  CAS-BOT-BC298506  Eriophyllum confertiflorum L. Constance 1933-6-25 E 95 Contra Costa About halfway to the summit of Mount Diablo Comment
  UC507127  Eriophyllum confertiflorum var. confertiflorum Lincoln Constance 1933-6-25 E 95 Contra Costa about one - half way to the summit of Mt. Diablo (s slopes) Comment
  UC691725  Eriophyllum confertiflorum var. confertiflorum Mary L. Bowerman 1933-5-3 1968 Contra Costa due s of summit Mount Diablo 822 Comment
  UC2027777  Eriophyllum jepsonii Barbara Ertter, Holly Forbes 1997-4-20 15562 Contra Costa north base of Mount Diablo, Eagle Peak Trail on NE side of Eagle Ridge below Twin Peaks. Comment
  CAS-BOT-BC300970  Eriophyllum lanatum var. achilleoides E. E. Stanford 1930-5-24 1513 Contra Costa Marsh Creek Canyon 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
  JEPS19402  Eriophyllum staechadifolium G. Thomas Robbins 1937-4-17 124 Contra Costa cliffs above San Francisco Bay near Point Richmond Comment
  UC1252143  Eriophyllum staechadifolium Dr. Jerry Powell 1964-6-7 412 Contra Costa nw Richmond; Point Molate Comment
  JEPS107117  Erodium brachycarpum Barbara Ertter, Mary Bowerman et al. 1995-5-7 14044 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, grassy flat, roadside vegetation, clay substrate. Comment
  JEPS111971  Erodium cicutarium D. G. Kelch 2003-3-21 03 .67 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 2 miles west of Martinez Contra Costa County CA. Grassy hill above cottonwood tree. Just south of end gate of Carquinez Scenic Drive 40 Comment
  POM127732  Erodium macrophyllum Katherine Brandegee 1907-5-5 s.n. Contra Costa Judsonville near Antioch. 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
  UC606754  Erodium moschatum Edward Lee 1936-4-10 1995 Contra Costa Red Rock San Francisco Bay 54 Comment
  UC106326  Eryngium aristulatum var. aristulatum unknown 1893-7-29 Contra Costa Martinez Comment
  UC20998  Eryngium aristulatum var. aristulatum J. Burtt Davy 1900-3-24 6525 Contra Costa Santa Fe Comment
  JEPS121011  Eryngium armatum D. G. Kelch 2007-4-1 07 .108 Contra Costa Pt. Pinole Comment
  UC2062628  Eryngium armatum Barbara Ertter 2002-5-16 17864 Contra Costa Richmond Field Station (UC-Berkeley). Comment
  UC21001  Eryngium articulatum J. W. Congdon Sept. 1886 Contra Costa Comment
  JEPS99526  Eryngium castrense Mary L. Bowerman 1975-9-14 Contra Costa Mount Diablo, Hidden Pond. Comment
  UC691871  Eryngium castrense Mary L. Bowerman 1935-6-28 3174 Contra Costa s. Meridian Peak summit (300 yds. e. of meridian fence line); Mt. Diablo 487 Comment
  UCD136704  Eryngium spinosepalum John Thomas Howell; Gordon H. True 1972-6-29 48927 Contra Costa Byron Hot Springs Road, SE of Byron. Comment
  CHSC67628  Eryngium vaseyi James D. Jokerst 1989-3-29 3072 Contra Costa Byron Hot Springs area NE of Livermore, adjacent to terrace S of ephemeral creek. Comment
  UC765562  Eryngium vaseyi R. F. Hoover 1937-5-14 2124 Contra Costa Byron Hot Springs Comment
  UC764567  Eryngium vaseyi Alice Eastwood and John Thomas Howell 1935-4-7 2121 Contra Costa near Byron (on Marsh Creek Rd.) Comment
  CAS-BOT-BC40764  Erysimum capitatum Alice Eastwood 1921-4-18 10285 Contra Costa Antioch. Comment
  CAS-BOT-BC40765  Erysimum capitatum Alice Eastwood; John Thomas Howell 1936-4-19 2151 Contra Costa Antioch sand hills. Comment
  CAS-BOT-BC40770  Erysimum capitatum Volney Rattan 1879-1-1 s.n. Contra Costa Antioch. Comment
  CAS-BOT-BC40771  Erysimum capitatum A. A. Heller 1908-4-16 8898 Contra Costa Eat of Antioch. 22 Comment
  CDA33846  Erysimum capitatum D. G. Kelch 2010-5-15 10 .116 Contra Costa Mt. Diablo. Trail from Juniper Camp to Deer Flat. 0 Comment
  NY32658  Erysimum capitatum subsp. angustatum H. L. Mason 1933-4-9 7189 Contra Costa East of Antioch along the San Joaquin River. 12.2 Comment
  RSA0008586  Erysimum capitatum var. angustatum James I. McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  POM272910  Erysimum capitatum var. capitatum Lyman Benson 1935-3-16 6261 Contra Costa Mt. Diablo, Watershed: Walnut Creek; Mountain Range: Mt. Diablo. 915 Comment
  UC673518  Erysimum capitatum var. capitatum H. L. Mason 1931-4-5 5822 Contra Costa Antioch sand hills Comment
  LA204363  Erysimum capitatum var. capitatum Herbert L. Mason; 1933-4-9 7189 Contra Costa E of Antioch along San Joaquin River 12 Comment
  UC2046329  Erythranthe nasuta Barbara Ertter with Alan Prather 2003-6-7 18200 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo, creek alongside west end Stone Corral Trail, south of Highland Ridge Trail junction. Comment
  CAS-BOT-BC402989  Eschscholzia californica Peter H. Raven 1950-7-5 2497 Contra Costa Above Nortonville Comment
  CAS-BOT-BC402991  Eschscholzia californica Philip A. Munz 1947-10-8 12190 Contra Costa Antioch 12 Comment
  CHSC75109  Eschscholzia californica Roger Thom 1987-4-21 6 Contra Costa 3300 block of Johnson Rd. Lafayette. 167 Comment
  UC10069  Eschscholzia californica Edw. L. Greene 1893-6-20 Contra Costa Mt. Diablo Comment
  UC2032838 Image available Eschscholzia californica Doran, Andrew Scott 2012-3-20 708 Contra Costa Second highest point on Brooks Island, rocky outcrop overlooking man-made spit. Comment
  CAS-BOT-BC91576  Eschscholzia rhombipetala Brandegee 1889-4-1 s.n. Contra Costa Antioch. Comment
  UC2028364  Eucalyptus camaldulensis Barbara Ertter 1998-6-20 16260 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, Borges Ranch Road at junction to private residences Comment
  UC1789210  Eucalyptus globulus Barbara Ertter 2002-5-11 17840 Contra Costa lower Emmons Canyon just outside of Mount Diablo State Park boundary. Comment
  OBI69745  Eucalyptus pulverulenta Jenn Yost & Matt Ritter, Matt Ritter 2008-11-15 362 Contra Costa Dan Sekella's House at 1410 Mohr Ct, Walnut Crk Comment
  UC2028496  Eucalyptus sideroxylon Barbara Ertter 1999-3-21 16488 Contra Costa NW corner of Miller Knox Regional Shoreline, Protero Hills SW of Richmond Comment
  CDA1171  Eucrypta chrysanthemifolia D. Kelch 1998-5-14 8 Contra Costa Mount Diablo; South slope of hill west of Mt. Zion. Comment
  UC692711  Euphorbia crenulata Mary L. Bowerman 1931-3-21 596 Contra Costa Sycamore Canyon; Mount Diablo Comment
  UC2032815  Euphorbia lathyris Doran, Andrew Scott 2012-3-20 685 Contra Costa North end of Brooks Island along ridge, cleared area northwest of caretakers residence. Garden waste area. Comment
  CDA7731  Euphorbia oblongata Deviney 2008-4-18 PDR# 1454510 Contra Costa Carquinez Strait; Pacheco, Waterbird Way X Hwy 680 0 Comment
  UC1555266  Euphorbia oblongata R. C. Stebbins 1988-5-19 Contra Costa Tilden Park; Memory Trail about 50 yds ne of intersection with Canon Drive Comment
  UCR99454  Euphorbia oblongata L. C. Wheeler 1958-8-26 7446 Contra Costa c. 2 mi. SW of Martinez, 0.3 mi. NW of Glen Frazer on Santa Fe; apparently Franklin Canyon, 1.7 mi. west of Martinez at limit on California Route 4 Comment
  CDA4846  Euphorbia oblongata Margaret Bellue, A. Seeley Jun 1955 Contra Costa Highway 4, near Concord. 0 Comment
  HSC83431  Euphorbia oblongata William E. Davis 1981-4-23 Contra Costa Martinez, along Franklin Creek in John Muir National Historic Site. Comment
  JEPS111957  Euphorbia peplus D. G. Kelch 2005-3-11 05 .42 Contra Costa Martinez: Mt. Wanda. North side 90 Comment
  UC2029075  Euphorbia peplus Barbara Ertter 2000-7-16 17406 Contra Costa Pine Creek on WNW base of Mount Diablo, willow patch above Pine Pond. Comment
  UC2031442  Eurybia radulina Barbara Ertter 1990-11-11 9710 Contra Costa NW Contra Costa County: Carquinez Straits Regional Park east of Crockett 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
  UC202854  Euthamia occidentalis V. King Chesnut 1887-9-10 Contra Costa Mt. Diablo Comment
  CDA37846  Fallopia japonica Fonseca/Niang 2012-7-16 PDR# 1641164 Contra Costa El Sobrante; Circle Dr. 0 Comment
  CAS-BOT-BC278177  Festuca D. E. Breedlove 1971-5-14 19339 Contra Costa Along Sierra Vista Way, Lafayette Comment
  JEPS48472  Festuca californica W. L. Jepson 1943-5-27 20842 Contra Costa n side Black Hills; Mt. Diablo Comment
  UC692287  Festuca californica Mary L. Bowerman 1931-5-2 788 Contra Costa n end Eagle Point ridge; Mount Diablo Comment
  CAS-BOT-BC278927  Festuca rubra J. Burtt Davy 1897-4-1 s.n. Contra Costa Point Isabel Comment
  UC691905  Forestiera pubescens Mary L. Bowerman 1936-6-20 3414 Contra Costa w side of ridge w Mt. Zion; Mount Diablo 198 Comment
  UC691116  Fragaria vesca Mary L. Bowerman 1933-4-28 1893 Contra Costa e fork at water trough Curry Cave Point trail; Mount Diablo 457 Comment
  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
  JEPS111552  Fraxinus angustifolia D. G. Kelch 2005-5-13 05 .250 Contra Costa Martinez Martinez. South of oil refinery along Railroad tracks in fragment of habitat 28 Comment
  UC2062658  Fraxinus dipetala Barbara Ertter with Alan Prather 2003-6-7 18195 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo, along Valley View Trail in NE corner of park. Comment
  JEPS62309  Fritillaria affinis H. P. Chandler 1900-3-23 577 Contra Costa Briones Valley; Region of Mount Diablo, Briones Valley Comment
Read comments
Aug 23 2008
  UC3643  Fritillaria agrestis J. Burtt Davy 1895-4-7 987 Contra Costa Antioch, [in the foothills rather than the sand-hills] Antioch Comment
  CAS-BOT-BC130198  Fritillaria agrestis Peter H. Raven; H. L. Mason; R. Ornduff; et al 1957-4-4 10574 Contra Costa 6.3 miles w. of Byron Comment
  CAS-BOT-BC130353  Fritillaria liliacea Robert F. Hoover 1938-3-8 2819 Contra Costa Berkeley Country Club Comment
  JEPS99505  Fritillaria liliacea Mary Bowerman 1979-4-3 Contra Costa Mount Diablo, Shell Ridge. Comment
  CAS-BOT-BC130352  Fritillaria liliacea 1902-3-1 s.n. Contra Costa Danville Comment
  SD241825  Fumaria capreolata Barbara Ertter 1999-3-21 16486 Contra Costa Miller Knox Regional Park near Point Richmond, edge of old excavation into rock (southeast of Richmond Ramblers building) Comment
  UC28155  Galium andrewsii subsp. gatense F. T. Bioletti 1894-5-13 Contra Costa Mt. Diablo Comment
  JEPS111526  Galium aparine D. G. Kelch 2005-5-5 05 .211 Contra Costa Point Pinole - Giant Marsh Giant Salt Marsh 3 Comment
  JEPS112106  Galium aparine D. G. Kelch 2003-4-3 03 .352 Contra Costa Cummings Skyway South of Cummings Skyway and Crockett Blvd 134 Comment
  JEPS75515  Galium aparine P. F. Yorks 1976-4-11 505 a Contra Costa on Hampton Rd ca 1.4 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Preserve Comment
  UCR263548  Galium californicum subsp. californicum Barbara Ertter, Susan D'Alcamo 1998-6-12 16202 Contra Costa San Francisco Bay Region, along Curry Canyon Road on south side of Mount Diablo, halfway between Knobcone Point Road and Sheepherder Springs Trail Comment
  JEPS6608  Galium porrigens var. porrigens Mary L. Bowerman 1930-6-22 370 Contra Costa Deer Flat Mount Diablo Comment
  CAS-BOT-BC304345  Gamochaeta pensylvanica Gordon H. True 1975-6-4 7869 Contra Costa Tilden Regional Park Botanic Garden, Tilden Regional Park, Wildcat Canyon, Berkeley Comment
  CAS-BOT-BC304346  Gamochaeta pensylvanica Gordon H. True 1975-6-27 7872 A Contra Costa Tilden Regional Park Botanic Garden, Tilden Regional Park, Wildcat Canyon Comment
  CDA31081  Garrya elliptica D. G. Kelch, Troy McGregor; Ed Biffin 2010-6-1 10 .217 Contra Costa Mt. Diablo. Knobcone Point Rd. Comment
  UC692507  Garrya elliptica Mary L. Bowerman 1932-1-30 1082 Contra Costa Inner Black Hills Mount Diablo (nw corner of basin of ne fork of Sycamore Creek) Comment
  CAS-BOT-BC200628  Garrya elliptica H. E. McMinn 1925-1-30 1397 Contra Costa Thornhill Gulch, Oak. Hills Comment
  UCSB29462  Garrya elliptica Havlik, Neil 1969-7-2 Contra Costa northeast slope of Grizzly Pk; Berkeley Hills 457 Comment
  CAS-BOT-BC169944  Garrya fremontii Lewis S. Rose 1954-6-29 54084 Contra Costa Mt. Diablo, summit 1170 Comment
  POM300683  Gastridium phleoides Mary L. Bowerman 1931-5-2 798 a Contra Costa Foot of Eagle Point ridge. Mount Diablo. Comment
  UCD66551  Gastridium phleoides Beecher Crampton 1956-5-14 3380 Contra Costa Head of Horse Valley, 5 miles S of Antioch. Comment
  UCD66597  Gastridium phleoides M. Wiesendanger 1926-5-1 1523 Contra Costa Near Richmond. Comment
  UC1606357  Gastridium ventricosum Barbara Ertter, Brad Olson 1991-9-28 10852 Contra Costa s end San Pablo Reservoir (between Orinda and El Sobrante); s end San Pablo Reservoir 97 Comment
  JEPS121056  Genista monspessulana Dean G. Kelch and Andrew G. Murdock 2004-4-11 04 .077 Contra Costa Crockett - West base of Crolona Heights Comment
  RSA0028181  Geranium carolinianum Mary L. Bowerman 1935-5-25 3076 Contra Costa Rhine Canyon. 915 Comment
  JEPS127101  Geranium dissectum Lowell Ahart, Josephine Guardino 2016-4-19 20776 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
  JEPS61421  Geranium dissectum W. L. Jepson 1923-4-22 9862 Contra Costa Mt. Diablo Comment
  UC2032836  Geranium dissectum Doran, Andrew Scott 2012-3-20 706 Contra Costa Second highest point on Brooks Island, rocky outcrop overlooking man-made spit. Comment
  JEPS100092  Geranium molle G. Smick 2003-4-1 GAS 106 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC1861827  Geranium molle Barbara Ertter, Chris Thayer 1995-4-25 13985 Contra Costa Southeast side of Mt. Diablo northeast of Danville; on Sycamore Creek near junction of path from Knobcone Point Rd. 396 Comment
  UC2027819  Geranium molle Barbara Ertter with Holly Forbes 1997-4-20 15547 Contra Costa North base of Mount Diablo, trail to Back Creek from Mitchell Canyon trailhead. Comment
  UC1719978  Geranium purpureum Barbara Ertter 2000-5-14 17012 Contra Costa Mount Diablo Regional Park, Falls Trail at Donner Creek crossing 487 Comment
  UC1795111  Geranium rotundifolium Barbara Ertter 1996-6-4 14684 Contra Costa Tilden Regional Park in hills E of Berkeley, restoration site NE of junction of Grizzly Peak Boulevard and Golf Course Drive Comment
  SEINET12343273  Gilia Ottley 1920-3-6 210 Contra Costa Black Hills, San Francisco Bay region Comment
  UC651088  Gilia achilleifolia subsp. achilleifolia P. B. Kennedy 1916-5-21 Contra Costa Diablo and Summit Comment
  UC908864  Gilia achilleifolia subsp. achilleifolia Herbert L. Mason 1929-3-29 5123 Contra Costa Mount Diablo 762 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
  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
  JEPS69577  Gilia capitata subsp. staminea W. L. Jepson 1931-4-5 15723 Contra Costa vicinity San Francisco Bay (Nortonville); vicin San Francisco Bay, Nortonville Comment
  POM65956  Gilia capitata subsp. staminea Edward L. Greene 1903-4-25 2805 Contra Costa Antioch. Comment
  UC1347218  Gilia capitata subsp. staminea Lewis S. Rose 1933-4-17 33090 Contra Costa Antioch Comment
  UC23453  Gilia capitata subsp. staminea J. Burtt Davy 1895-4-7 892 Contra Costa Antioch Comment
  UC903221  Gilia capitata subsp. staminea Ethel Crum 1936-4-5 1746 Contra Costa two mi w Byron; South Coast Ranges, w of Byron 45 Comment
  POM223334  Gilia clivorum L. S. Rose 1935-5-16 351 75 Contra Costa Mt. Diablo. Comment
  UC963965  Gilia clivorum R. F. Hoover 1938-3-25 2895 Contra Costa Markley Canyon Comment
  UCR178962  Gilia clivorum Peter L. Morrell, N. Takebayashi 1995-5-21 472 Contra Costa Central Coast, S of Clayton in Mitchell Canyon, above the banks of Mitchell Creek and beneath Eagle Peak 400 Comment
  CDA33810  Gilia clivorum D. G. Kelch 2010-5-15 10 .12 Contra Costa Mt. Diablo. Trail from Juniper Camp to Deer Flat. 0 Comment
  UC2027812  Gilia clivorum Barbara Ertter with Stu Garrett 1997-3-29 15541 Contra Costa West side Mount Diablo, Mothers Trail. Comment
  UC2028156  Gilia clivorum Barbara Ertter 1998-4-4 15955 Contra Costa Shell Ridge Open Space northwest of Mount Diablo. Comment
  RSA63722  Gilia tricolor Verne Grant, Alva Grant 1949-3-30 8640 Contra Costa 4 miles west of Byron on Marsh Creek road. Comment
  UC691598  Gilia tricolor subsp. tricolor Mary L. Bowerman 1931-3-14 569 Contra Costa Windy Point Mount Diablo, Windy Point Comment
  UC908576  Gilia tricolor subsp. tricolor Herbert L. Mason 1929-3-29 5118 Contra Costa Mount Diablo 762 Comment
  JEPS99596  Githopsis diffusa subsp. robusta Mary Bowerman 1978-5-14 Contra Costa Mount Diablo, Back Canyon trail to mine. Comment
  JEPS20443  Gnaphalium palustre W. L. Jepson May 23 1891-May 24 1891 14746 Contra Costa near Mt. Diablo Comment
  CDA34248  Grindelia camporum D. G. Kelch 2009-5-24 9 .303 Contra Costa Carquinez Strait; S of Ozol, W/SW of Martinez. Comment
  CAS-BOT-BC305219  Grindelia hirsutula Alice Eastwood 1915-6-21 4730 Contra Costa San Leandro Comment
  JEPS111071  Grindelia hirsutula Lee Echols 2003-6-17 s.n. Contra Costa N of Lark Drive in central portion of grassland within UC Berkeley's Richmond Field Station, app. .5 miles from Hwy 580 off Bayview Ave, Richmond. 15 Comment
  JEPS111662  Grindelia hirsutula A. G. Murdock 2004-5-28 284 Contra Costa Pinole Peak 205 Comment
  JEPS111719  Grindelia hirsutula D. G. Kelch 2004-6-19 04 .280 Contra Costa Selby Along railroad tracks west of Carquinez Bridge Crockett (Valona) 20 Comment
  JEPS120269  Grindelia hirsutula Barbara Ertter with David Gowen 2012-6-9 21023 Contra Costa at junction of Seaview Trail and road into EBMUD land north of Vollmer Peak, southeastern Tilden Park in Berkeley Hills Comment
  JEPS25135  Grindelia hirsutula G. Thomas Robbins 1959-4-26 4003 Contra Costa s of Castro Point (just n of Richmond-San Rafael Bridge, above shore of San Francisco Bay, dry slopes of Potrero Hills); Potrero Hills, Richmond Comment
  JEPS75516  Grindelia hirsutula P. F. Yorks 1975-7-31 482 Contra Costa 2.5 km s Bear Creek Road (on Hampton Road, just n of Briones Reservoir); Hampton Road Natural Reserve 200 Comment
  UC1599357  Grindelia hirsutula G. Thomas Robbins 1959-4-26 4003 Contra Costa just n Richmond-San Rafael Bridge (above shore of San Francisco Bay, s of Castro Pt.); Richmond, Potrero Hills Comment
  CAS-BOT-BC305231  Grindelia hirsutula John Thomas Howell 1929-7-7 4322 Contra Costa 2 miles south of Rodeo Comment
  SEINET10724143  Grindelia hirsutula John T. Middleton Middleton s.n. Contra Costa Seaside, Richmond. Comment
  UC2027746  Grindelia hirsutula Barbara Ertter 1997-1-5 15434 Contra Costa Ygnacio Valley Road crossing Lime Ridge on northwest side of Mount Diablo. Comment
  UC14399  Guillenia flavescens Chesnut and Drew 1889-4-17 Contra Costa Clayton Comment
  UC691110  Guillenia lasiophylla Mary L. Bowerman 1932-3-23 1131 Contra Costa ridge e Donner Canyon; Mount Diablo 274 Comment
  POM181442  Guillenia lasiophylla I. L. Wiggins 1930-4-17 4564 Contra Costa One mile east of Mountain House, on road to Byron. Comment
  RSA430115  Guillenia lasiophylla Dr H. de Forest 1930-4-6 s.n. Contra Costa [No locality information provided] Comment
  UC1076516  Gutierrezia californica H. L. Mason 1929-9-21 5435 Contra Costa 3 mi above Clayton (Marsh Creek road) Comment
  JEPS127667  Hainardia cylindrica Barbara Ertter with David Gowen and Michael Park 2017-5-2 22814 Contra Costa West Marsh Creek State Park (former Cowell Ranch) SW of Brentwood, Briones Valley east of Deer Valley Road. Comment
  UC1051002  Hebe buxifolia N. Floy Bracelin 1943-7-19 2549 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  CDA5197  Hedera helix D. G. Kelch, A. G. Murdock 2005-5-23 5 .373 Contra Costa Carquinez Strait Region; Crockett - Crolona Heights. 6th Street at Lillian Street, Crockett. Comment
  SEINET10579391  Hedera helix Barbara J. Ertter 1994-10-23 Ertter 13915 Contra Costa Southwest El Cerrito, north edge of Breuner's parking lot, northwest Albany Hill. Comment
  UCD159534  Hedypnois cretica D. S. Park 2011-4-13 282 Contra Costa east side of Sunrise Hill Rd. Abundant. Not in flower/basal rosette. Disturbed/weedy habitat. Hillside. 181 Comment
  RSA0027643  Hedypnois cretica Barbara Ertter 1998-5-3 16045 Contra Costa Pine Canyon/Stage Road upstream from Dusty Road junction, southwest flank of Mount Diablo. 198 Comment
  RSA721868D  Hedypnois cretica Barbara Ertter 1994-5-23 12809 Contra Costa Point Isabel at S end Richmond, Regional Shoreline and marsh at end of Rydin Road. Comment
  JEPS111680  Helenium puberulum D. G. Kelch 2003-8-13 03 .134 Contra Costa Pinole Creek 68 Comment
  CAS-BOT-BC314697  Helianthella californica var. californica Paul F. Covel 1936-4-19 233 Contra Costa Hilltop above L. Trampas Cn. Comment
  CAS-BOT-BC305322  Helianthella castanea Alice Eastwood 1915-5-30 4475 Contra Costa Mitchel [Mitchell] Canyon, Mt. Diablo Comment
  JEPS21042  Helianthella castanea W. L. Jepson 1922-5-23 9654 Contra Costa Mt. Diablo; summit Comment
  JEPS85476  Helianthella castanea Leonora M. Ellis 1990-5-11 Contra Costa w Alamo (Horseman's Canyon and canyon to the w); Tice Valley 228 Comment
  CAS-BOT-BC223916  Helianthemum scoparium Robert F. Hoover 1939-5-20 4108 Contra Costa Head of Markley Canyon Comment
  POM300646  Helianthemum scoparium var. scoparium Mary L. Bowerman 1932-4-9 1332 Contra Costa Ridge to Wall Point, from near Rock City Comment
  JEPS79317  Helianthus annuus Edward Lee 1935-8-13 1615 Contra Costa just e War Memorial (between Walnut Creek and Concord); Ygnacio Valley 15 Comment
  CAS-BOT-BC305374  Helianthus annuus Walter Knight 1965-9-7 1163 Contra Costa Antioch sand dunes Comment
  CAS-BOT-BC305605  Helianthus californicus Walter Knight; Joanne Dean 1978-8-14 3182 Contra Costa Browns Island Comment
  CAS-BOT-BC305606  Helianthus californicus Mary L. Bowerman 1932-9-17 1581 Contra Costa Mount Diablo. Donner Canyon, west fork Comment
  UC691732  Helianthus californicus Mary L. Bowerman 1930-8-24 435 Contra Costa Roadside Mount Diablo, Mitchell Canyon 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
  RSA0029054  Helianthus gracilentus Barbara Ertter 1999-6-12 16722 Contra Costa Knobcone Point Road on south side of Mount Diablo. At head of NE fork of Sycamore Creek. 488 Comment
  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
  UCD36034  Heliotropium curassavicum var. oculatum Beecher Crampton 1949-7-15 486 Contra Costa Contra Costa County, below original site of Judsonville, head of Lone Tree Valley, along Sand Creek, just before coming to Lee Higgins Empire Ranch. 114 Comment
  UC691497  Helminthotheca echioides Mary L. Bowerman 1936-8-8 3524 Contra Costa w fork Diablo Stock Farm Canyon (= Emmons Cayon, Wattis Ranch); Mount Diablo, Diablo Stock Farm (Wattis Ranch) Canyon, w for Comment
  UCD150889  Helminthotheca echioides James A. Neilson Jr. 1972-11-2 3606 Contra Costa Channel of Walnut Creek ca. 1 mi. north of junction with Pine Creek. Elevation estimated using Google Earth by label maker. 1 Comment
  UC197525  Hemizonia congesta subsp. lutescens H. M. Hall 1914-9-13 9875 Contra Costa n of San Pablo Comment
  UC201231  Hemizonia congesta subsp. lutescens H. M. Hall 1914-8-23 9860 Contra Costa 2 km nw San Pablo 9 Comment
  UC201233  Hemizonia congesta subsp. lutescens H. M. Hall 1914-8-23 9861 Contra Costa San Pablo 15 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
  UC197526  Hemizonia congesta subsp. luzulifolia H. M. Hall 1914-8-23 9859 Contra Costa San Pablo 15 Comment
  CAS-BOT-BC309759  Hemizonia congesta subsp. luzulifolia A. A. Heller 1922-7-22 13722 Contra Costa Along San Pablo Avenue near Richmond Comment
  CAS-BOT-BC314850  Hemizonia congesta subsp. luzulifolia David D. Keck 1932-7-7 1740 Contra Costa 10 miles S. of Brentwood on Vasco Road to Livermore, southerastern Contra Costa County Comment
  CAS-BOT-BC314869  Hemizonia congesta subsp. luzulifolia James McMurphy 1915-5-25 s.n. Contra Costa Richmnod Junction Comment
  JEPS116747  Hemizonia congesta subsp. luzulifolia David Gowen 2006-10-2 662 Contra Costa Wildcat Regional Park on Nimitz Way just south of trail heading east to San Pablo Reservoir. Comment
  OBI16205  Hemizonia congesta subsp. luzulifolia Robert F. Hoover 1966-8-31 9947 Contra Costa N of Livermore Valley on Highland rd Comment
  CDA33546  Hemizonia fitchii Fisher, Deviney 2010-6-2 PDR# 1645252 Contra Costa Byron; Armstrong Road Extension 1/3 mile southeast of Vasco Rd. Comment
  POM360297  Hemizonia fitchii Hattie Benton 1917-09 Contra Costa Mt. Diablo. Comment
  CDA15242  Hemizonia pungens G. F. Hrusa, D. Crowe 1998-5-8 14373 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River. Comment
  POM52253  Hemizonia pungens subsp. pungens A. D. E. Elmer 1903-05 4892 Contra Costa Walnut Creek Comment
  SEINET3387071 Image available Hemizonia virgata Lewis S. Rose 1932-10-2 32654 Contra Costa Marsh creek road. Comment
  CAS-BOT-BC124027  Hesperevax caulescens M. K. Curran 1883-4-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC310161  Hesperevax caulescens Dr. A. Kellogg; W. G. W. Harford 1868-1-1 419 Contra Costa Antioch Comment
  JEPS29512  Hesperevax caulescens M. K. Curran May 1886 Contra Costa Antioch Comment
  JEPS116939  Hesperevax caulescens David Gowen 2008-4-21 868 Contra Costa South of Antioch, in Contra Loma Regional Park off Frederickson Lane. North, to northwest facing slope just NW of parking area for Black Diamond Mines Regional Preserve. Comment
  CAS-BOT-BC310191  Hesperevax sparsiflora var. sparsiflora John Thomas Howell 1930-4-22 4749 Contra Costa Bald Peak Comment
  CAS-BOT-BC167430  Hesperolinon breweri Volney Rattan 1886-6-1 s.n. Contra Costa Mt Diablo Comment
  JEPS32328  Hesperolinon breweri W. L. Jepson 1918-6-3 7568 Contra Costa Donner Canyon Mt. Diablo Comment
  UC2062655  Hesperolinon californicum Barbara Ertter with John Ginochio 2002-6-1 17940 Contra Costa Ginochio Ranch in Arroyo del Cerro NW side of Mount Diablo, connector road between Government Road and Olofson Homestead. Comment
  CAS-BOT-BC422500  Hesperomecon linearis Walter Knight; Irja Knight 1977-6-13 s.n. Contra Costa Antioch sand dunes, Little Corral site, Wilber Avenue. Comment
  RSA445543  Hesperomecon linearis H. de Forest 1930-05 s.n. Contra Costa [No location data on label] Comment
  UCD95453  Hesperomecon linearis Annetta M. Carter 1933-4-23 298 Contra Costa above the San Joaquin River, between Antioch Bridge and Antioch. Comment
  CDA21567  Heteromeles arbutifolia D. G. Kelch, Mike Park 2008-9-1 8 .3 Contra Costa Carquinez Strait; Lonetree Point. Rodeo Shoreline Park. Rodeo. Comment
  JEPS45024  Heteromeles arbutifolia W. L. Jepson 1921-11-19 9516 Contra Costa Mt. Diablo Comment
  OBI7752  Heteromeles arbutifolia Dennis Voight 1975-11-26 22 Contra Costa Found in the Briones reservoir area 1.5 mi E of Bear Creek rd 152 Comment
  JEPS20381  Heterotheca grandiflora Joseph P. Tracy 1932-9-10 10783 Contra Costa e of Pinole (on Franklin Canyon Road); Rodeo Creek 91 Comment
  JEPS40434  Heterotheca grandiflora William Turner 1965-11-23 Contra Costa just e Antioch (in the Antioch sand hills); San Joaquin River Comment
  UC2027745  Heterotheca grandiflora Barbara Ertter 1997-1-5 15435 Contra Costa Ygnacio Valley Road crossing Lime Ridge on northwest side of Mount Diablo. Comment
  UC691817  Heterotheca sessiliflora subsp. echioides Mary L. Bowerman 1930-12-2 501 Contra Costa near base Mount Zion; Mount Diablo Comment
  UC2000000 Image available Heterotheca sessiliflora var. bolanderioides J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-16 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
  JEPS49731  Heuchera micrantha W. L. Jepson 1922-5-23 9649 Contra Costa Mt. Diablo Comment
  UC2028291  Heuchera micrantha Barbara Ertter, Dan Norris 1998-6-18 16226 Contra Costa Lower Devil's Slide trail along W Fork Sycamore Creek (madrone Canyon), south side of Mount Diablo. Comment
  UC625365  Hibiscus lasiocarpos Ira L. Wiggins 1938-8-15 9006 Contra Costa at Hwy. #4 Old R.; San Joaquin R., Old R. <branch of San Joaquin R.> Comment
  CAS-BOT-BC203380  Hibiscus lasiocarpos var. occidentalis Ira L. Wiggins 1954-9-5 13121 Contra Costa Levee along Bethel Island Comment
  UC16313  Hoita orbicularis McLean March, 1875 Contra Costa Mt. Diablo Comment
  CDA2182  Holcus lanatus D. G. Kelch, A. G. Murdock 2005-6-24 5 .386 Contra Costa Carquinez Strait Region; 5th Street Prairie, Crockett. Comment
  CDA7978  Holocarpha heermannii A. G. Murdock, D. G. Kelch 2002-7-2 67 Contra Costa Carquinez Strait Region; Mt. Wanda - Martinez. Crest of Mt. Wanda on north side of main fire road. Comment
  SEINET5782138 Image available Holocarpha heermannii L. S. Rose 1941-10-13 41465 Contra Costa 1 mi E of Walnut Creek Comment
  UC1598596  Holocarpha heermannii John Thomas Howell 1955-8-24 30901 Contra Costa near Diablo Country Club (s base of Mt. Diablo); Mt. Diablo Comment
  UC1619971  Holocarpha heermannii Barbara Ertter 1990-9-10 9641 Contra Costa Briones Hills s of Martinez (throughout Briones Regional Park); Briones Regional Park, Briones Hills Comment
  UC897717  Holocarpha heermannii Lewis S. Rose 1941-10-13 41465 Contra Costa 1 mi e Walnut Creek 45 Comment
  CAS-BOT-BC320201  Holocarpha heermannii John Thomas Howell 1955-8-24 30901 Contra Costa Near Diablo Country Club Comment
  CAS-BOT-BC325831  Holocarpha heermannii John Thomas Howell 1930-9-28 5499 Contra Costa 6.3 miles from Byron on teh Marsh Creek Road Comment
  CAS-BOT-BC325848  Holocarpha heermannii L. S. Rose 1941-10-13 41465 Contra Costa 1 mile east of Walnut Creek 50 Comment
  UC1795841  Holocarpha heermannii Barbara Ertter, M. L. Bowerman, L. Schultheis, Kevin Hintsa 1995-10-22 14528 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
  UC204053  Holocarpha heermannii A. D. E. Elmer Jul 1903 4613 Contra Costa Comment
  UC1357615  Holocarpha obconica R. F. Hoover 1965-9-24 9649 Contra Costa foothills w Byron (between Kellogg and Marsh Creeks) Comment
  CAS-BOT-BC320239  Holocarpha obconica L. R. Abrams 1917-9-13 6723 Contra Costa Patterson Pass - east side Comment
  CAS-BOT-BC320250  Holocarpha obconica H. M. Hall 1930-9-24 12846 Contra Costa Vasco Road at Junction 4 miles west of Byron Comment
  UC2029032  Holocarpha obconica Barbara Ertter 2002-11-11 18072 Contra Costa Round Valley Regional Preserve east of Mount Diablo, along Round Valley Creek/Miwok Trail Comment
  CAS-BOT-BC324614  Holocarpha virgata H. M. Hall 1930-6-18 12794 Contra Costa Stockton Ranch, south of Antioch Comment
  UC1357613  Holocarpha virgata subsp. virgata R. F. Hoover 1965-9-24 9648 Contra Costa foothills w, e of Kellogg Creek Byron Comment
  UC702534  Holocarpha virgata subsp. virgata L. S. Rose 1941-10-16 41467 Contra Costa 2 mi w Byron 33 Comment
  POM360683  Holocarpha virgata subsp. virgata L. S. Rose 1932-10-2 32654 Contra Costa Marsh Creek Road. Comment
  UC691112  Holodiscus discolor Mary L. Bowerman 1930-6-26 376 b Contra Costa Clayton-Livermore Road s of Riggs Canyon Road (Mount Diablo); , Clayton-Livermore Road Comment
  CAS-BOT-BC152590  Holodiscus discolor var. discolor Bonnie Templeton 1962-6-10 s.n. Contra Costa Mt. Diablo Comment
  CDA29576  Hordeum brachyantherum D. G. Kelch, Troy MacGregor 2009-5-1 9 .288 Contra Costa Carquinez Strait; Fernandez Ranch in valley bottom along Christie Rd. Comment
  RSA0016873  Hordeum brachyantherum H. de Forest 1930-5-7 s.n. Contra Costa Road near Morage. Comment
  UC50661  Hordeum brachyantherum subsp. brachyantherum Jos. Burtt Davy 1899-4-19 7850 Contra Costa Las Trampas Ridge Comment
  CDA9486  Hordeum depressum D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .211 Contra Costa Byron Airport. Comment
  POM181460  Hordeum depressum I. L. Wiggins 1900-4-7 4569 Contra Costa 2 mi. east of Mountain House on road to Byron. Comment
  UC650561  Hordeum depressum Ira L. Wiggins 1930-4-17 4578 Contra Costa 1/4 m S of Byron Comment
  UC650563  Hordeum depressum Ira L. Wiggins 1930-4-17 4569 Contra Costa E of Mountain House (on road to Byron) Comment
  JEPS100008  Hordeum marinum S. O'Neil 2003-5-8 SEO 27 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  CDA37284  Hordeum marinum subsp. gussoneanum D. G. Kelch 2011-3-31 11 .07 Contra Costa Carquinez Strait Region; Richmond, near Point Pinole Regional Park. Comment
  UCD85917  Hordeum murinum subsp. glaucum A. A. Beetle 1942-3-22 2924 Contra Costa Taber Island. Small island off NW side of Brooks Island in San Francisco Bay. Comment
Read comments
Aug 20 2011
  POM301023  Hordeum murinum subsp. glaucum Mary L. Bowerman 1933-4-15 1851 Contra Costa Canyon south of Arroyo del Cerro Comment
  JEPS75538  Hordeum murinum subsp. leporinum P. F. York 1974-4-28 146 Contra Costa on Hampton Road ca 1.9 km s Bear Creek Road (n of Briones Reservoir, Hampton Road Natural Reserve); Hampton Road Natural Reserve, n of Briones Reservoir 200 Comment
  UC14231  Horkelia californica subsp. dissita N. K. Chestnut Contra Costa Mt. Diablo Comment
  UC2062663  Horkelia californica subsp. frondosa Barbara Ertter 1990-5-19 8993 Contra Costa Lafayette Ridge of Briones Regional Park N of Lafayette; head of drainage on N side of ridge. Comment
  UC2062668  Horkelia californica subsp. frondosa Barbara Ertter 2002-8-24 18015 Contra Costa East end of Olympia Trail on NE side of Mount Diablo, at junction with uphill trail near intersection of Marsh Creek Road and Morgan Territory Road. Comment
  CDA24877  Hornungia procumbens Jim Jokerst 1989-3-28 3057 Contra Costa Northwest of junction Byron Hot Springs Road and Armstrong Road, northeast of Livermore. 0 Comment
  CAS-BOT-BC206139  Hosackia crassifolia Rimo Bacigalupi 1926-4-30 1350 Contra Costa Summit of Mt. Diablo Comment
  UC691697  Hydrophyllum occidentale Mary L. Bowerman 1930-6-10 311 Contra Costa Mount Diablo summit; Mount Diablo Comment
  CDA29489  Hypochaeris glabra D. G. Kelch, Troy MacGregor 2009-5-1 09 .289-B Contra Costa Carquinez Strait; Fernandez Ranch in valley bottom along Christie Rd. Comment
  JEPS36517  Hypochaeris glabra W. L. Jepson 1922-5-23 9668 Contra Costa n slope Mt. Diablo Comment
  CAS-BOT-BC312935  Hypochaeris glabra Mary L. Bowerman 1931-4-4 631 Contra Costa Mount Diablo. Two miles by road from west entrance (North Gate) Comment
  CAS-BOT-BC312936  Hypochaeris glabra Mary L. Bowerman 1930-6-18 337 Contra Costa Mount Diablo. Dan Cook (Rock City) Canyon Comment
  UC407368  Hypochaeris glabra Ira L. Wiggins 1930-4-18 4596 Contra Costa Comment
  UC691451  Hypochaeris glabra Mary L. Bowerman 1933-5-8 2035 Contra Costa Comment
  UC1948942  Hypochaeris radicata William J. Ferlatte, L. Maynard Moe 1970-4-27 1252 Contra Costa San Francisco Bay: Red Rock Island Comment
  SEINET10544610  Ilex David B. Dunn 1947-12-30 Dunn 3592 Contra Costa Cultivated plants at the University of California, Berkeley Campus. In flower in December beside the Life Science Building. Comment
  IRVC14051  Iris douglasiana J. Lanier 1967-5-14 s.n. Contra Costa Tilden Park. Comment
  SEINET3875275  Iris douglasiana Kaye H. Thorne, L. Thorne; N. Thorne; J. Chandler 1986-7-27 4959 Contra Costa Franks Tract, along San Joaquin River delta. Sand Mound Slough. SE portion of Bethel Slough.; 0 610 Comment
  CDA9229  Iris pseudacorus D. G. Kelch 1991-5-1 s.n. Contra Costa CA Delta; Pittsburg Marina Comment
  UC2028408  Iris pseudacorus Barbara Ertter with Richard K. Brummitt 1998-5-16 16096 Contra Costa Antioch Marina, edge of brackish marsh Comment
  UC2070455  Iris pseudacorus Barbara Ertter with Dorothy Frantz 2001-5-10 17639 Contra Costa Diablo Foothill Regional Park, Pine Creek just south of Castle Rock Recreation Area. Comment
  UC692079  Isoetes howellii Mary L. Bowerman 1935-7-22 3187 a Contra Costa s. side Meridian Peak (w. end Hidden Pond); Mt. Diablo, Hidden Pond 518 Comment
  UCD15912  Isolepis cernua Molly Hunter 1998-7-7 s.n. Contra Costa Concord Naval Weapons Station, along Highway 4, Northeast of city of Concord (about 300 meters South of Suisun Bay). 0 Comment
  JEPS111671  Iva axillaris D. G. Kelch 2003-3-28 03 .84 Contra Costa Rodeo - Lone Tree Point 2 Comment
  CAS-BOT-BC324754  Iva axillaris J. W. Congdon 1893-7-30 s.n. 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
  UC1205990  Juglans californica var. hindsii Joseph P. Tracy 1933-12-1 13130 Contra Costa along creek between Lafayette and Moraga Comment
  UC2028428  Juncus articulatus Barbara Ertter 1996-9-19 15300 Contra Costa Antioch Marina, edge of bay in Dow Marsh lands Comment
  SEINET11263178  Juncus articulatus Barbara Ertter 1996-9-19 15300 Contra Costa Antioch Marina, edge of bay in Dow Marshlands.; 0 Comment
  UC1818994  Juncus balticus Barbara Ertter, Mary Bowerman et al. 1995-5-7 14030 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
  JEPS112443  Juncus bufonius D. G. Kelch 2004-4-11 04 .60 Contra Costa Crockett - 5th St. Prairie 5th street Prairie, Crockett 85 Comment
  UC691983  Juncus bufonius var. bufonius Mary L. Bowerman 1931-4-4 635 Contra Costa Mount Diablo, 2 mi by road from West Entrance = North Gate Mount Diablo Comment
  RSA0029053  Juncus bufonius var. bufonius Barbara Ertter 1999-6-12 16716 Contra Costa West Branch Alamo Creek on south flank of Mount Diablo, along unofficial path running from north spur of Black Hawk Ridge Road to south spur off of Knob Cones Point Road (near powerline). 457 Comment
  UC1819013  Juncus bufonius var. bufonius Barbara Ertter, Mary Bowerman et al. 1995-5-7 14040 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, damp road bed, clayey, in grassy flat south of pond, near edge of blue oak forest. Comment
  UC2028165  Juncus bufonius var. bufonius Barbara Ertter 1998-5-3 16078 a Contra Costa Wall Point Ridge on southwest flank of Mount Diablo, near Wall Point. Comment
  UC2028264  Juncus bufonius var. bufonius Barbara Ertter 1999-6-12 16716 Contra Costa West Branch Alamo Creek on south flank of Mount Diablo, along unofficial path running from north spur of Black Hawk Ridge Road to south spur off of Knob Cone Point Road (near powerline). Comment
  UC2028304  Juncus bufonius var. bufonius Barbara Ertter, Susan D'Alcamo 1998-6-12 16201 Contra Costa Along Curry Canyon Road just east of Curry Point, south side of Mount Diablo. Comment
  JEPS111067  Juncus bufonius var. congestus Lee Echols 2003-4-15 s.n. Contra Costa S of Lark Drive and N of EPA Building, within UC Berkeley's Richmond Field Station, app. .5 miles from Hwy 580 off Bayview Ave, Richmond. 15 Comment
  UC2028166  Juncus bufonius var. congestus Barbara Ertter 1998-5-3 16078 Contra Costa Wall Point Ridge on southwest flank of Mount Diablo, near Wall Point, SW-facing bank above road. Comment
  JEPS112445  Juncus effusus var. pacificus D. G. Kelch 2003-8-13 03 .133 Contra Costa Pinole Creek 68 Comment
  RSA0027417  Juncus effusus var. pacificus Barbara Ertter, Joanne Kerbavaz, Mary Bowerman 2000-8-20 17514 Contra Costa South side of Mount Diablo, Green Ranch Road at Meridian Springs Creek crossing. 747 Comment
  UC2028458  Juncus effusus var. pacificus Barbara Ertter with Joanne Kerbavaz and Mary Bowerman 2000-8-20 17514 Contra Costa South side Mount Diablo, Green Ranch Road at Meridian Springs Creek crossing Comment
  UC692075  Juncus mexicanus Mary L. Bowerman 1933-4-22 1884 Contra Costa nw end Shell Ridge (s of the highway (Heather Farm)); Mount Diablo Comment
  JEPS96253  Juncus occidentalis Barbara Ertter, Brad Olson 1991-11-10 10887 Contra Costa Point San Pablo in extreme west Richmond, behind yacht harbor Point San Pablo; Richmond, Point San Pablo Comment
  UC2013064  Juncus occidentalis Barbara Ertter with Lisa Schultheis 1996-9-2 15282 Contra Costa South side Mount Diablo, grasslands below Knobcone Point Road along path to Devils Slide. Comment
  SBBG115561  Juncus oxymeris B. Crampton 1950-6-10 590 Contra Costa 1 mi N of Richmond, along Santa Fe Railroad Comment
  JEPS99595  Juncus patens Mary Bowerman 1993-10-22 Contra Costa Mount Diablo, Pine Pond floodplain. Comment
  POM300634  Juncus patens Mary L. Bowerman 1938-6-30 3703 Contra Costa Plants of Mount Diablo: Lower Canyon Spring, which is moister than the upper spring. 976 Comment
  SEINET6174578  Juncus patens M. L. Bowerman 1932-11-26 1674 Contra Costa Patens Spring (on north side of west road between Corral Spring and Boulevard Spring) Comment
  SEINET11785699  Juncus phaeocephalus Unknown 1940-1 1004 b Contra Costa 2 mi S of San Rafael ferry dock Comment
  CDA39263  Juncus phaeocephalus var. paniculatus J. Simmen 1971-5-27 s.n. Contra Costa Marsh Creek, Davis Camp, Brentwood. 0 Comment
  UC2029202  Juncus phaeocephalus var. paniculatus Barbara Ertter 1999-7-17 16765 Contra Costa Wildcat Canyon Regional Park in East Bay Hills, Wildcat Creek Trail between Rifle Range Road and boundary with Tilden Regional Park. On east side of road Comment
  JEPS112444  Juncus tenuis D. G. Kelch 2003-4-3 03 .366 Contra Costa Cummings Skyway 115 Comment
  UC2046369  Juncus usitatus Barbara Ertter 2015-10-9 22456 Contra Costa N end of walkway on east edge of Dow Marsh west of Antioch marina on San Joaquin River Delta. Comment
  UC521770  Juncus xiphioides Joseph Andorfer Ewan 1933-10-15 8019 Contra Costa sw slope Mt. Diablo Comment
  POM210639  Juncus xiphioides Joseph A. Ewan 1933-10-15 8019 Contra Costa SW slope of Mt. Diablo. Comment
  UCR162417  Juniperus californica David A. Charlet, T. Charlet, Elizabeth Charlet 1991-5-28 710 Contra Costa Mt. Diablo, 'Juniper Camp' 875 Comment
  UC1051219  Justicia carnea N. Floy Bracelin 1942-9-20 2310 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  CAS-BOT-BC235872  Keckiella corymbosa Paul F. Covel 1938-7-1 1472 Contra Costa Summit Mt. Diablo Comment
  CAS-BOT-BC235873  Keckiella corymbosa H. E. McMinn 1922-6-2 97 Contra Costa Near summit of Mt. Diablo Comment
  UC1132144  Koeleria macrantha C. M. Belshaw 1936-5-8 2068 Contra Costa se slope Mount Diablo; Mount Diablo Quad., se slope of Mt. Diablo Comment
  JEPS99525  Lactuca saligna Mary L. Bowerman 1975-9-14 Contra Costa Mount Diablo. By hillside near Chase Pond. Comment
  UC691780  Lactuca serriola Mary L. Bowerman 1932-9-24 1591 Contra Costa ridge running w from Twin Peaks; Mount Diablo 335 Comment
  CAS-BOT-BC340536  Lactuca serriola Walter Knight 1978-10-4 3315 Contra Costa Browns Island Comment
  CAS-BOT-BC340542  Lactuca serriola R. E. Frenkel 1964-2-5 353 Contra Costa On California Hwy. 21, Market Plaza Center, Alamo 79 Comment
  CAS-BOT-BC340543  Lactuca serriola R. E. Frenkel 1963-8-18 264 Contra Costa On Giant Road, 0.4 mile north of ATSF RR crossing, Richmond 15 Comment
  CAS-BOT-BC340699  Lactuca virosa John Thomas Howell 1943-8-22 19310 Contra Costa Near head of San Leandro Creek Canyon 243 Comment
  CAS-BOT-BC340700  Lactuca virosa John Thomas Howell 1943-8-22 19310 Contra Costa Near head of San Leandro Creek Canyon 243 Comment
  UC2028521  Lactuca virosa Barbara Ertter 1997-9-14 15804 Contra Costa WSW base of Mount Diablo, creek NW of Macedo Ranch between Pine Ridge and lowers Wall Point Road. Comment
  UC2029078  Lactuca virosa Barbara Ertter 2000-7-16 17402 Contra Costa Lower Pine Creek in Diablo Foothills Regional Park. Comment
  UC691444  Lactuca virosa J. T. Howell 1942-7-1 17040 Contra Costa Comment
  UCD133508  Lactuca virosa John Thomas Howell 1943-8-22 19310 Contra Costa near head of San Leandro Creek Canyon. 243 Comment
  UC1818897  Lagophylla ramosissima Barbara Ertter, Mary Bowerman et al. 1995-5-7 14062 Contra Costa Three Springs Trail on NE side of Mount Diablo SE of Clayton, small serpentine patch at road junction Comment
  CAS-BOT-BC337982  Lasthenia californica Niall McCarten; V. I. Dains 1986-1-1 03261200 8 Contra Costa Near Brushy Creek. East Contra Costa County Comment
  RSA55168  Lasthenia californica C. F. Baker 1903-4-28 2829 Contra Costa Marsh Creek, Mt. Diablo. Comment
  UC62978  Lasthenia californica subsp. californica H. M. Hall 1901-4-5 1767 a Contra Costa Mt. Diablo Region of San Francisco Bay (lower slopes) Comment
  JEPS106453  Lasthenia conjugens Barrett Anderson with Thomas Scofield 1995-4-25 4553 Contra Costa Along Hwy 4 approx. 2.38 km E of Interstate 80--Hwy 4 interchange near Rodeo, along Rodeo Creek. Comment
  POM50986  Lasthenia ferrisiae Alice Eastwood 1914-3-14 3761 Contra Costa Byron Springs. Comment
  CAS-BOT-BC353330  Lasthenia fremontii R. F. Hoover 1967-4-28 10512 Contra Costa Byron Hot Springs. Comment
  JEPS18258  Lasthenia fremontii Peter H. Raven with Mason, Stone, Ornduff, Kuijt 1957-4-4 10587 Contra Costa 3 mi s of Byron Comment
  UC1184085  Lasthenia fremontii Ren-Hwa Shan 1947-3-23 2013 Contra Costa 3.3 mi s Byron 7 Comment
  UC762046  Lasthenia fremontii R. F. Hoover 1937-5-14 2118 Contra Costa Byron Hot Springs 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
  JEPS89771  Lasthenia gracilis Dean William Taylor 991 Contra Costa along Byron Road (J4) at the junction of Holley Road; Byron Road 15 Comment
  UC30445  Lasthenia gracilis Harley P. Chandler 1901-4-5 995 Contra Costa Mt. Diablo Comment
  SD5689  Lasthenia microglossa K. Curran May 1884 Contra Costa Antioch. Comment
Read comments
Mar 10 2008
  UC1543176  Lasthenia minor Donald G. Nelson 1937-3-30 470 Contra Costa s of Byron (railroad tracks, paralleling the highway, on road to Tracy) Comment
  UC191034  Lasthenia minor Katharine Brandegee 1904-5-5 Contra Costa near Antioch; Judsonville Comment
  POM181471  Lasthenia minor I. L. Wiggins 1930-4-17 4556 Contra Costa 1 mile E of Mountain House on road to Byron Comment
  RSA22273  Lasthenia minor L. S. Rose 1937-3-26 37007 Contra Costa Mountain House; Altamont Pass. 76 Comment
  JEPS9902  Lasthenia platycarpha Greene 1889-3-23 Contra Costa Byron Comment
  UC1184086  Lasthenia platycarpha Ren Hwa Shan 1947-3-23 2013 a Contra Costa vernal pool 3.3 mi s Byron 7 Comment
  RSA138191  Lathyrus jepsonii subsp. californicus Volney Rattan 1887-5-22 s.n. Contra Costa Alhambra Valley. Comment
  JEPS78609  Lathyrus jepsonii var. jepsonii Walter Knight, L. R. Heckard and Bert Johnson 1978-9-28 3301 Contra Costa Browns Island, South Landing Browns Island; , South Landing Comment
  UCD130164  Lathyrus jepsonii var. jepsonii Stephen P. Rae 1978-9-5 s.n. Contra Costa Browns Island. In Sacramento River near Pittsburg (in known location). 2 Comment
  JEPS107088  Lathyrus latifolius Barbara Ertter, Diane Lake, Chris Thayer, Bruce Baeyert 1996-5-16 14671 Contra Costa Point Molate Naval Fuel Depot north of San Rafael bridge, edge of San Francisco Bay, northwest corner of area. Comment
  UC2029076  Lathyrus latifolius Barbara Ertter 2000-7-16 17404 Contra Costa Pine Creek on NW base of Mount Diablo, Stage Road at Pine Pond. Comment
  UC15363  Lathyrus vestitus var. vestitus W. H. Brewer 1862-4-30 Contra Costa Monte Diablo Comment
  UC692237  Lathyrus vestitus var. vestitus Mary L. Bowerman 1931-4-19 742 Contra Costa above lower Deer Flat Mount Diablo, Deer Flat Comment
  UC764798  Lathyrus vestitus var. vestitus R. F. Hoover 1938-2-21 2757 Contra Costa Point Richmond Comment
  UC1795699  Lavatera assurgentiflora Barbara Ertter, Rich Rabeler 1994-6-6 12822 Contra Costa Point Isabel in south Richmond; acacia copse at edge of bay at south side of point. Comment
  CAS-BOT-BC323910  Layia chrysanthemoides R. F. Hoover 1967-4-28 10506 Contra Costa Byron Hot Springs Comment
  OBI15877  Layia chrysanthemoides Robert F. Hoover 1967-4-28 10506 Contra Costa Byron Hot Springs Comment
  UC62893  Layia chrysanthemoides H. M. Hall 1901-3-22 1688 Contra Costa Rodeo Creek Region of San Francisco Bay, Rodeo Creek Comment
  RSA517747  Layia chrysanthemoides Donald G. Nelson 1937-3-30 475 Contra Costa Railroad tracks paralleling the highway south of Byron on road to Tracy Comment
  CAS-BOT-BC321764  Layia gaillardioides Alice Eastwood 1915-5-30 4485 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC321077  Layia glandulosa Alice Eastwood; John Thomas Howell 1936-4-19 2150 Contra Costa Antioch sand hills Comment
  JEPS13426  Layia glandulosa R. F. Hoover 1937-5-14 2115 Contra Costa Comment
  CAS-BOT-BC327246  Layia hieracioides John Thomas Howell 1940-4-21 15405 Contra Costa Pine Canyon, Mt. Diablo Comment
  CDA10019  Layia hieracioides D. G. Kelch 2007-6-3 7 .429 Contra Costa East Bay; Along gated portion of Hampton Rd N of San Pablo Reservoir. Comment
  UC691547  Layia hieracioides Mary L. Bowerman 1931-4-19 744 Contra Costa Tiny flat below Deer Flat Comment
  CAS-BOT-BC327245  Layia hieracioides M. K. Curran 1884-1-1 s.n. Contra Costa Plants of Mount Diablo. South of Turtle Rock, pool east of main pond: In belt of Eleocharia palustris. Comment
  CAS-BOT-BC370663  Layia platyglossa Alice Eastwood; John Thomas Howell 1936-4-19 2149 Contra Costa Antioch Comment
  CAS-BOT-BC370667  Layia platyglossa C. F. Baker 1903-5-28 2874 Contra Costa Antioch Comment
  UC30667  Layia platyglossa R. C. Marsh 1900-4-5 Contra Costa Antioch Comment
  UC1795717  Layia platyglossa Barbara Ertter, Brad Olson, Diane Lake 1996-4-14 14589 Contra Costa North Peak of Mt. Diablo; open rocky flats. 1097 Comment
  POM361692  Layia platyglossa subsp. campestris H. de Forest 1930-4-6 s.n. Contra Costa S.E. of Mortonville. Small coal mine ravine. 244 Comment
  POM53355  Layia platyglossa subsp. platyglossa C. F. Baker 1903-5-28 2874 Contra Costa Antioch. Comment
  RSA721283  Layia platyglossa subsp. platyglossa Barbara Ertter, Brad Olson, Dianne Lake 1996-4-14 14589 Contra Costa North Peak of Mt. Diablo 1098 Comment
  CDA31884  Leersia oryzoides D. G. Kelch 2007-11-13 7 .656 Contra Costa Carquinez Strait; Old brick factory 1.2 km SE of Port Costa. Comment
  UC650364  Lemna minuscula Ira L. Wiggins 1930-4-18 4607 Contra Costa Jersey Island Comment
  UC692109  Lemna valdiviana Mary L. Bowerman 1931-8-29 1030 Contra Costa Sheep Camp Spring, by North Road Sheep Camp Spring 533 Comment
  CAS-BOT-BC215739  Lepechinia calycina Joanne Taylor 1941-7-18 18 Contra Costa Nortonville 243 Comment
  JEPS63250  Lepechinia calycina W. L. Jepson 1920-8-12 9077 Contra Costa Mount Diablo, towards summit Mount Diablo Comment
  SBBG21163  Lepechinia calycina V. Haraden 1941-7-18 11 Contra Costa near Nortonville 121 Comment
  UC691400  Lepechinia calycina Mary L. Bowerman 1938-5-28 3648 Contra Costa Mount Diablo 853 Comment
  CAS-BOT-BC215740  Lepechinia calycina Mary L. Bowerman 1930-6-10 317 Contra Costa Meridian Peak, roadside little below the summit, Mt. Diablo Comment
  RSA537493  Lepidium dictyotum Barbara Ertter, Jim Jokerst 1989-4-5 8142 Contra Costa West and adjacent to Clifton Court Forebay, 15 air miles SW of Stockton; near sea level 0 Comment
  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
  CHSC69638  Lepidium dictyotum var. dictyotum James D. Jokerst; Barbara Ertter, Dave Magney 1989-4-5 3081 Contra Costa West and adjacent to Clifton Court Forebay, E of Bryon Hwy. and Italian Slough. 3 Comment
  POM181449  Lepidium didymum I. L. Wiggins 1930-4-18 4595 Contra Costa East end of Jersey Island. Comment
  JEPS111853  Lepidium latifolium A. G. Murdock 2004-5-28 301 Contra Costa Luzon 60 Comment
  UC2070649  Lepidium latifolium Barbara Ertter 2002-8-24 18021 Contra Costa Dunn Creek south of Mount Diablo Mine property on NE base of Mount Diablo. Comment
  CAS-BOT-BC89765  Lepidium latipes John Thomas Howell 1933-3-29 10907 Contra Costa Nortonville Hills. Comment
  JEPS17889  Lepidium latipes Rimo Bacigalupi with G. T. Robbins 1956-3-26 5527 Contra Costa Deer Valley, along Deer Valley Road Deer Valley 76 Comment
  UC691078  Lepidium latipes Mary L. Bowerman 1933-4-15 1846 Contra Costa canyon s Arroyo del Cerro; Mount Diablo Comment
  JEPS90380  Lepidium latipes var. latipes Dean Wm. Taylor with Glenn Clifton 1990-3-6 10612 Contra Costa Byron Hot Springs Rd. 1 mi s Holey Road ((Clifton Court Forebay 7 1/2 quadrangle)); San Joaquin Valley 24 Comment
  CAS-BOT-BC89890  Lepidium nitidum Alice Eastwood 1914-3-14 3766 b Contra Costa Byron Springs. Comment
  CAS-BOT-BC89891  Lepidium nitidum Alice Eastwood 1914-3-14 s.n. Contra Costa Byron Springs. Comment
  CAS-BOT-BC89898  Lepidium nitidum Reed C. Rollins 1946-3-25 3044 Contra Costa Western slope of Mount Diablo. Comment
  RSA8344  Lepidium nitidum L. S. Rose 1933-3-29 33045 Contra Costa Pittsburg Comment
  JEPS111855  Lepidium nitidum var. nitidum D. G. Kelch 2003-2-7 03 .37 Contra Costa Franklin Canyon 115 Comment
  JEPS25136  Lepidium strictum G. Thomas Robbins 1959-4-26 4006 Contra Costa about 1 mi ne Giant (and about 0.25 mi n of San Pablo Oil Tank Farm) 7 Comment
  UC1818924  Lepidium strictum Barbara Ertter, Mary Bowerman 1995-6-11 14252 Contra Costa Shell Ridge Recreation Area southeast of Walnut Creek, Kovar Trail roadbed near Indian Creek, annual grassland 76 Comment
  UCD63958  Leptochloa fusca subsp. uninervia Beecher Crampton 1959-10-19 5467 Contra Costa 4 miles south of Brentwood, along Vasco Road, just north of its junction with Mount Diablo Road. Comment
  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
  JEPS43213  Lewisia rediviva W. L. Jepson 1907-4-26 2640 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC444385  Lewisia rediviva Paul F. Covel 1940-5-12 s.n. Contra Costa Summit, Mt. Diablo Comment
  CDA39047  Leymus X multiflorus D. G. Kelch 2011-6-5 11 .576 Contra Costa Carquinez Strait; South of Crockett, south of Cummings Skyway. Comment
  JEPS481  Leymus X multiflorus W. L. Jepson 1937-7-2 18445 Contra Costa swale 1/2 mi w Crockett Comment
  RSA108362  Leymus triticoides Frank W. Gould 1941-5-6 1286 Contra Costa 2.3 miles from Walnut Creek on Danville road. Comment
  SEINET3840826  Leymus triticoides Unknown 2006-6-23 6 .321 Contra Costa West Valona, West of the Zampa Bridge above San Pablo avenue, along a small stream draining north into the Western end of the Carquinez Strait 91 Comment
  UCD87579  Leymus triticoides R. Tofsrud 1947-6-12 176 Contra Costa W of Byron about 4 miles in the 'Arroyo de la Canada. Comment
  CAS-BOT-BC272218  Leymus triticoides John Thomas Howell; Gordon H. True 1972-6-29 48928 Contra Costa Byron Hot Springs Road southeast of Byron Comment
  UC2029157  Leymus triticoides Barbara Ertter 2000-7-29 17448 a Contra Costa Lower Donner Canyon just above Donner Cabin site, on north side of Mount Diablo. Comment
  JEPS100066  Ligustrum ovalifolium G. Smick 2003-5-30 GAS 196 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC814388  Lilaea scilloides Lewis S. Rose 1940-4-30 40257 Contra Costa 6 mi s Antioch 30 Comment
  UC1261904  Lilaeopsis masonii A. Q. Howard 1977-8-24 39 Contra Costa along Stamm property w. of Sardis property (Little Corral) Antioch Dunes Comment
  SEINET1909954  Limnanthes douglasii var. rosea Barbara Ertter, Jim Kokerst, Dave Magney 1989-1 8115 Contra Costa San Diendo Co.: Black Mt. N Romona along clevland NF Rd 11S04 2.3 mi from Pamo Valley Rd, roadcut. 457 Comment
  CDA33335  Limnobium laevigatum Paul Ryan/Alan Hyde 2010-10-4 PDR# 1596381 Contra Costa Near Rio Vista; tidal waterway, 200 yards from deep water channel 0 Comment
  CDA39643  Limonium sinuatum D. G. Kelch 2011-10-23 11 .840B Contra Costa Carquinez Strait Region; Martinez Waterfront Park. Comment
  JEPS108386  Linanthus ambiguus David Gowen 2005-4-25 264 Contra Costa Mt. Diablo State Park. South east end of Prospectors Gap Rd., ca 0.3 mile NW of its junction with Ray Morgan Rd. Small area of serpentine outside of the park boundary. Comment
  UC400968  Linanthus ambiguus J. G. Lemmon Contra Costa Mt. Diablo Comment
  UC23369  Linanthus androsaceus Jos. Burtt Davy 1901-4-21 6930 Contra Costa Wildcat Canyon Comment
  UC23376  Linanthus androsaceus Brewer 1862-5-22 1139 Contra Costa ne of Mt. Diablo (hills s of Coal Mines) Comment
  UC908952  Linanthus androsaceus Herbert L. Mason 1928-4-29 4441 Contra Costa Sycamore Canyon Mount Diablo (s slope of Mt. Diablo) Comment
  UC1925900  Linanthus ciliatus Donald G. Nelson 1937-4-29 517 Contra Costa Road from Pinole S towards Alhambra Road. Comment
  UC1051490  Linanthus liniflorus Herbert L. Mason 1952-4-14 14265 Contra Costa 3.5 mi s Byron Comment
  UC615173  Linanthus liniflorus Beryl O. Schreiber 1932-3-27 155 Contra Costa Byron Hot Springs Comment
  UC1795771  Linum bienne Barbara Ertter, Brad Olson 1994-5-7 12746 Contra Costa S end Pt. Molate Beach Park west of Richmond north of San Rafael Bridge Comment
  JEPS75536  Lithophragma affine P. F. Yorks 1975-5-15 397 Contra Costa N of Briones Reservoir (ca. 1.7 km S of Bear Creek Road on Hampton Road); Hampton Road Natural Reserve 180 Comment
  HSC20215  Lithophragma affine Greg Bos 1963-3-9 36 Contra Costa Albany Hill 9 Comment
  POM274347  Lithophragma affine subsp. affine Lyman Benson 1931-3-18 2663 Contra Costa Martinez; Mt Range: South Coast; Watershed: Sacramento River. 91 Comment
  UC2028406  Lithophragma bolanderi Barbara Ertter with Christopher Baysdorfer 1998-5-10 16109 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, along Ohlone Trail Comment
  UC11926  Lithophragma cymbalaria J. Burtt Davy 1895-4-7 906 Contra Costa Antioch Comment
  UC1088544  Lithophragma heterophyllum John H. Weiler 1959-1 5944 Contra Costa along Bear Creek Road Comment
  CDA25420  Lithophragma heterophyllum G. D. Barbe 1962-4-19 665 Contra Costa Trail above earth dam, west side of Morgan Territory Road, 8 1/2 miles south of Clayton, east side of Mt. Diablo. 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
  JEPS111854  Lobularia maritima A. G. Murdock 2004-5-28 304 Contra Costa Luzon 60 Comment
  CAS-BOT-BC342120  Logfia filaginoides John Thomas Howell 1940-4-21 15406 Contra Costa Pine Canyon, Mt. Diablo Comment
  UC1819041  Logfia gallica Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14237 Contra Costa South side Mount Diablo, road to Sheepherders Springs 1/2 mile north of Curry Point from Sloan Road, clay at edge of grassland/woodland. 426 Comment
  CAS-BOT-BC342346  Logfia gallica H. L. Mason 1928-4-26 4386 Contra Costa Berkeley-Oakland Hills 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
  UC1948974  Lolium perenne William J. Ferlatte, L. Maynard Moe 1970-4-27 1253 Contra Costa San Francisco Bay: Red Rock Island Comment
  CAS-BOT-BC269052  Lolium perenne D. E. Breedlove 1971-5-14 19340 Contra Costa Along Sierra Vista Way, Lafayette Comment
  UCD36917  Lolium temulentum Beecher Crampton 1956-5-14 3389 Contra Costa 7 miles southwest of city of Antioch, just east of old mining town of Nortonville. Comment
  UCD66671  Lolium temulentum K. Brandegee 1916-5-9 Contra Costa Byron Springs. Comment
  JEPS111626  Lomatium caruifolium D. G. Kelch 2005-3-25 05 .81 Contra Costa Fernandez Ranch Fernandez Ranch. West of Christie Road. South of I-4 (behind golf course) and North of Pinole Peak on ridge East of Pinole Park 115 Comment
  SEINET10870161  Lomatium caruifolium John T. Middleton 1936-4-18 Middleton 145 Contra Costa Comment
  UC2027938  Lomatium caruifolium Barbara Ertter with Tony Morosco and other CNPS members 2001-5-6 17624 Contra Costa Northwest flank of Mount Diablo, Globe Lily Trail paralleling Mitchell Canyon Road. Comment
  CHSC69467  Lomatium caruifolium var. caruifolium James D. Jokerst 1989-5-28 3056 Contra Costa NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore. Comment
  UC659027  Lomatium caruifolium var. caruifolium Mildred E. Mathias 1937-4-11 1163 Contra Costa 3 mi. s. Byron Comment
  JEPS73314  Lomatium dasycarpum subsp. dasycarpum Edward Lee with Joe Ewan and Annetta Carter 1934-4-30 741 Contra Costa near the boat harbor Richmond Comment
  UC2012992  Lomatium dasycarpum subsp. dasycarpum Barbara Ertter with Susan D'Alcamo 1994-4-24 12461 Contra Costa Mount Diablo east Walnut Creek, Bald Ridge Trail above Murchio Gap. 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
  JEPS12841  Lonicera hispidula var. vacillans W. L. Jepson May 23 1891-May 24 1891 Contra Costa Mt. Diablo Comment
  UC691752  Lonicera hispidula var. vacillans Mary L. Bowerman 1938-6-14 3681 Contra Costa Canyon Nook Mount Diablo 670 Comment
  CAS-BOT-BC240662  Lonicera interrupta H. E. McMinn 1922-6-2 91 Contra Costa N.E. slope of Mt. Diablo Comment
  NY785489  Lonicera japonica B. J. Ertter 1991-8-18 10694 Contra Costa Browns Island N of Pittsburg near confluence of Sacramento & San Joaquin rivers opposite Pittsburg Marina Comment
  UC1005974  Lonicera ledebourii N. Floy Bracelin 1942-4-26 2054 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1005949  Lonicera nitida N. Floy Bracelin 1943-3-15 2434 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC691483  Lonicera subspicata var. denudata Mary L. Bowerman 1932-10-16 1634 Contra Costa ridge e Median Ridge; Mount Diablo, Donner Canyon basin 487 Comment
  UC1051339  Lophospermum erubescens N. Floy Bracelin 1941-6-15 1389 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  UC864780  Lotus crassifolius var. crassifolius Lewis S. Rose 1935-5-16 35176 Contra Costa Mt. Diablo Comment
  UC1745430  Lotus humistratus Annetta M. Carter, Leo Bowerman 1935-6-1 878 Contra Costa Mt. Diablo. S-facing slope on W side of main peak. 975 Comment
  UC69633  Lotus junceus var. biolettii Jos. Burtt Davy 1895-1 Contra Costa Moraga Pass Comment
  UC692265  Lotus purshianus var. purshianus Mary L. Bowerman 1930-6-18 335 Contra Costa Rock City Canyon (= Dan Cook Canyon), at upper end Mount Diablo Comment
  UC692269  Lotus purshianus var. purshianus Mary L. Bowerman 1938-6-14 3676 Contra Costa 1 mi from North Gate (North Road); Mount Diablo 121 Comment
  UC555418  Lotus strigosus H. L. Mason 1932-3-20 6839 Contra Costa Antioch Comment
  RSA498728  Lotus wrangelianus H. de Forest 1930-3-28 s.n. Contra Costa Mt. Diablo Comment
  UC1555365  Lotus wrangelianus Jerry Powell 1988-4-8 1531 Contra Costa Point Molate, in w Richmond Richmond Comment
  UC15709  Lotus wrangelianus State Survey 1800-1 1166 Contra Costa Mt. Diablo Comment
  UC555421  Lotus wrangelianus H. L. Mason 1929-3-29 5124 Contra Costa Mt. Diablo Comment
  UC692262  Lotus wrangelianus Mary L. Bowerman 1931-3-14 572 Contra Costa e side Windy Point; Mount Diablo Comment
  UC692266  Lotus wrangelianus Mary L. Bowerman 1932-4-27 1393 Contra Costa canyon w of Riggs Canyon (s-face of Oyster Ridge); Mount Diablo, Oyster Ridge 335 Comment
  POM300705  Lotus wrangelianus Mary L. Bowerman 1933-5-2 1949 Contra Costa Below Pioneer Camp; Mount Diablo. 762 Comment
  RSA0026153  Ludwigia peploides subsp. montevidensis Barbara Ertter, Lincoln Constance 1995-6-16 14263 Contra Costa East edge Dow Marsh on west side Antioch Marina, south side San Joaquin River in Delta area. Comment
  JEPS111865  Lunaria annua D. G. Kelch 2004-5-9 04 .214 Contra Costa Crockett - Eckley Hills north of Bull Valley Staging Area 13 Comment
  UC727201  Lupinus A. A. Heller 1942-4-20 16428 Contra Costa Antioch just e of the Boat School Antioch High School (not far from the San Joaquin River); nor far from the San Joaquin River Comment
  UC149913  Lupinus affinis Katharine Brandegee 1911-7-6 Contra Costa along the RR near Point Isabel; along the RR near Point Isabel Comment
  LA205021  Lupinus albifrons J. A. Ewan; 1934-3-10 8645 Contra Costa Wildcat Canyon, 2 mi below Orinda Rd bridge, Comment
  SEINET11071663 Image available Lupinus albifrons Lewis S. Rose 1935-5-16 35162 Contra Costa Mt. Diablo Comment
  JEPS112355  Lupinus albifrons var. albifrons Dean G. Kelch and Andrew G. Murdock 2004-3-12 04 .019 Contra Costa Pinole Valley, County: Contra Costa; Hillside and canyon above Wright Road. Off of Pinole Valley Road. Contra Coasta County, CA. Comment
  CAS-BOT-BC201370  Lupinus albifrons var. albifrons A. A. Heller 1928-4-15 14517 Contra Costa Along the San Joaquin River at Antiock [Antioch] Comment
  RSA174192  Lupinus albifrons var. collinus Jos. Burtt Davy 1897-4-17 s.n. 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
  RSA600828  Lupinus albifrons var. collinus Joseph A. Ewan 1934-3-10 8645 Contra Costa San Pablo Ridge: Wildcat Canyon; 2 miles below Orinda road bridge.. . Comment
  UC1948937  Lupinus arboreus William J. Ferlatte, L. Maynard Moe 1970-4-27 1262 Contra Costa San Francisco Bay: Red Rock Island 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
  JEPS112354  Lupinus bicolor Dean G. Kelch and Andrew G. Murdock 2004-3-12 04 .029 Contra Costa Pinole Valley, County: Contra Costa; Hillside and canyon above Wright Road. Off of Pinole Valley Road. Contra Coasta County, CA. Comment
  JEPS112414  Lupinus bicolor Dean G. Kelch and Andrew G. Murdock 2005-4-15 05 .146 Contra Costa Rodeo Creek; county: Contra Costa; EBRP land. West of Cummings Skyway near summit (Old C&H Sugar diatomaceous earth dump). Comment
  UC2028034  Lupinus bicolor Barbara Ertter 1998-4-4 15944 Contra Costa Shell Ridge Open Space northwest of Mount Diablo, SE of Indian Valley School. Comment
  UCSB39467  Lupinus bicolor Fritzke, Sue 1980-3-29 Contra Costa 0.5 miles from the E end of Ball Rd.; in the Shell Ridge Open Space Area; SE of the rock quarry 124 Comment
  RSA203627  Lupinus bicolor subsp. tridentatus J. T. Howell 1933-5-14 11250 Contra Costa Hills east of St. Marys college Comment
  JEPS12790  Lupinus chamissonis Rimo Bacigalupi with G. T. Robbins 1955-5-4 4980 Contra Costa just e Antioch (along San Joaquin River front); , e of Antioch 9 Comment
Read comments
May 25 2007
  SEINET13198366 Image available Lupinus formosus A. G. Vestal 1947-6-2 s.n. Contra Costa Comment
  UC1795881  Lupinus formosus Barbara Ertter, Diane Lake, Chris Thayer, Bruce Baeyert 1996-5-16 14674 Contra Costa Point Molate Naval Fuel Depot north of San Rafael bridge, edge of San Francisco Bay; perennial grasslands on ridge. Comment
  UC2070453  Lupinus formosus Barbara Ertter 2004-6-27 18377 Contra Costa Kensington, ridge overlooking Wildcat Canyon behind Kensington Hilltop School. Comment
  UC2029110  Lupinus formosus var. formosus Barbara Ertter with Travis Columbus 1990-6-10 9116 Contra Costa NE corner of Briones Regional Park, Briones Hills W of Pleasant Hill, SE of Alhambra Valley staging area Comment
  RSA0026155  Lupinus formosus var. formosus Barbara Ertter, J. Travis Columbus 1990-6-10 9116 Contra Costa NE corner of Briones Regional Park, Briones Hills W of Pleasant Hill.; grassy hill SE of Alhambra Valley staging area. 152 Comment
  RSA720840  Lupinus formosus var. formosus Barbara Ertter, Dianne Lake, Chris Thayer, Bruce Baeyert 1996-5-16 14674 Contra Costa Point Molate Naval Fuel Depot north of San Rafael bridge, edge of San Francisco Bay. Comment
  JEPS112364  Lupinus latifolius var. latifolius Dean G. Kelch and Andrew G. Murdock 2004-4-30 256 Contra Costa Vaca Canyon; County: Contra Costa; On steep south slope along road. Comment
  UC1618312  Lupinus latifolius var. latifolius Barbara Ertter with Laura Fujii 1990-7-21 9402 Contra Costa W of Pleasant Hill (Homestead Valley trail, at Bear Creek crossing; Briones Hills); Briones Regional Park 274 Comment
  CDA28918  Lupinus microcarpus D. G. Kelch, Troy MacGregor 2009-5-24 9 .298 Contra Costa Carquinez Strait; Carquinez Loop Trail S of Ozol, S-SW of Martinez, nr Wolcott Ln . Comment
  UC1562851  Lupinus microcarpus var. densiflorus Barbara Ertter with Elizabeth Neese 1988-4-24 7450 Contra Costa n of e-w part of Black Diamond Trail sw Antioch (Black Diamond Mines Regional Preserve); Black Diamond Mines Regional Preserve Comment
  UC163954  Lupinus microcarpus var. densiflorus Miss H. A. Walker 1911-7-8 2526 Contra Costa near Point Isabel (e shore of San Francisco Bay); , near Point Isabel Comment
  UC201012  Lupinus microcarpus var. densiflorus Katharine Brandegee 1918-6-16 Contra Costa near Virgorit Powder Works; near Vigorit Powder Works Comment
  UC201015  Lupinus microcarpus var. densiflorus Katharine Brandegee 1918-6-16 Contra Costa near Virgorit Powder Works; near Vigorit Powder Works Comment
  UC201016  Lupinus microcarpus var. densiflorus Katharine Brandegee 1918-6-16 Contra Costa near Virgorit Powder Works; near Vigorit Powder Works Comment
  UC155195  Lupinus microcarpus var. microcarpus Katharine Brandegee 1907-5-5 Contra Costa Antioch Comment
  UC201010  Lupinus microcarpus var. microcarpus Katharine Brandegee June 1918 Contra Costa Richmond Annex; El Dorado St. Comment
  UC201019  Lupinus microcarpus var. microcarpus Katharine Brandegee and Harriet E. Phillips 1918-6-16 Contra Costa near Vigorit Powder Works; near Vigorit Powder Works Comment
  UC33552  Lupinus microcarpus var. microcarpus Chesnut and Drew 1889-4-17 Contra Costa Clayton Comment
  UC692260  Lupinus microcarpus var. microcarpus Mary L. Bowerman 1933-4-15 1860 Contra Costa second ridge se Arroyo del Cerro Arroyo del Cerro, Mount Diablo; Mount Diablo 396 Comment
  UCD109081  Lupinus nanus P. B. Kennedy 1916-5-11 31 Contra Costa Grand View Terrace; Richmond District. Comment
  UC2028168  Lupinus pachylobus Barbara Ertter 1998-5-3 16075 Contra Costa Wall Point Ridge on southwest flank of Mount Diablo, near Wall Point. Comment
  SEINET10486145  Lupinus polycarpus Frenkel 1964-3-27 FRENKEL 409 Contra Costa On giant road, .4 mi n of atsf rr crossing, richmond. 15 Comment
  SEINET8057995  Lupinus succulentus H. E. Hodge 1956-4-7 13 Contra Costa Tice Canyon Road in Walnut Creek 61 Comment
  JEPS67204  Luzula macrantha W. L. Jepson 1943-4-24 20761 Contra Costa Vicinity San Francisco Bay, Oakland Hills, Moraga Ridge Comment
Read comments
Jan 25 2008
  UC2028361  Lythrum hyssopifolia Barbara Ertter with Tony Morosco 1998-7-11 16364 Contra Costa North base of Mount Diablo, margin of small pond on north side of Bruce Lee Road east of Mitchell Canyon staging area Comment
  UC1789169  Lythrum tribracteatum Barbara Ertter 2005-8-18 18642 Contra Costa San Pablo Reservoir in East Bay Hills, east of San Pablo Dam Road between Richmond and Orinda; abundant on mudflats left by receding reservoir, mostly dried. Comment
Read comments
May 27 2008
  UC89385  Madia exigua Katharine Brandegee May 1885 Contra Costa Antioch Comment
  CAS-BOT-BC344328  Madia exigua T. S. Brandegee 1885-5-1 s.n. Contra Costa Antioch Comment
  UC1819036  Madia exigua Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14246 Contra Costa South side Mount Diablo, Sloan Road between Curry Point and Curry Canyon, roadside in partial shade of oak forest on north-facing slope. 487 Comment
  JEPS100178  Madia gracilis G. Smick 2003-4-22 GAS 142 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS111637  Madia gracilis A. G. Murdock 2003-6-2 76 Contra Costa Crockett - 5th St. Prairie 85 Comment
  UC1613945  Madia gracilis Charles M. Belshaw 1935-6-24 1025 Contra Costa Sobrante Hills Comment
  UC691767  Madia gracilis Mary L. Bowerman 1933-5-17 2104 Contra Costa branch of Curry Canyon due s Olafson's barn (w-facing bank just n of first fork of canyon); Mount Diablo 289 Comment
  UC697158  Madia gracilis Mary L. Bowerman 1933-6-3 2241 Contra Costa Ransom Point Ridge Mount Diablo Comment
  SEINET3148105  Madia radiata K. Brandegee 1908-4-9 50 Contra Costa Near Antioch Comment
  UC33195  Madia sativa Jos. Burtt Davy 1895-1 Contra Costa Moraga Pass Comment
  CAS-BOT-BC343582  Madia sativa David D. Keck 1933-11-2 2614 Contra Costa 1 mi. W. of Avon, N. Contra Costa County Comment
  CAS-BOT-BC343583  Madia sativa David D. Keck 1941-6-5 5309 Contra Costa Berkeley Hills, Fish Creek Road, near 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
  UC2027972  Madia sativa Barbara Ertter with Richard Rabeler, Tony Morosco 1997-6-10 15664 Contra Costa Point Richmond, crest of road. Comment
  RSA577468  Maianthemum racemosum subsp. amplexicaule Joseph A. Ewan 1934-6-8 8755 Contra Costa South Fork Marsh Creek, Mt. Diablo 305 Comment
  UC2028014  Malacothamnus fasciculatus Barbara Ertter 1997-9-14 15821 Contra Costa Southwest side of Mount Diablo, Wall Point Road at head of Emmons Canyon. Comment
  UC18798  Malacothamnus fremontii Edw. L. Greene 1892-6-20 Contra Costa Mt. Diablo Comment
  UC697188  Malacothamnus fremontii Mary L. Bowerman 1932-9-24 1590 Contra Costa Ridge running west from Twin Peaks 335 Comment
  JEPS99508  Malacothrix clevelandii Mary Bowerman 1978-5-14 Contra Costa Mount Diablo. Old wagon trail to mine on E face of Eagle Peak. Comment
  CAS-BOT-BC347392  Malacothrix floccifera Alice Eastwood 1915-5-30 4516 Contra Costa Mt. Diablo Comment
  UC831151  Malacothrix floccifera Mrs. E. C. Sutliffe 1920-5-30 Contra Costa Mt. Diablo Comment
  UC2012999  Malva parviflora Barbara Ertter with Mary Bowerman, Lisa Schultheis 1996-7-5 14923 Contra Costa Northwest base of Mount Diablo, access to Foothills Regional Park from North Gate Road along Little Pine Creek. Comment
  UC2062656  Malva pseudolavatera Barbara Ertter with Delia Taylor 2003-6-22 18230 Contra Costa Black Diamond Mines Regional Preserve south of Pittsburg, corporate yard for park headquarters on E side Somerville Road. Comment
  NY221825  Malvastrum hallii H. M. Hall 1916-5-30 10131 Contra Costa Mt. Diablo, on westerly side north of Pine Canyon, Upper Sonoran Zone 275 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
  UC692642  Marah fabacea Mary L. Bowerman 1931-4-4 634 Contra Costa 2 mi by road North Gate; Mount Diablo 228 Comment
  RSA724228  Marah fabacea R. R. Halse 1988-2-20 3540 Contra Costa Along Marsh Creek Road, in the Dark Canyon area, 4 miles W of its junction with Deer Valley Road. 156 Comment
  UC1949100  Marah fabacea Barbara Ertter 1991-6-1 10076 Contra Costa Las Trampas Regional Wilderness in hills W of Danville, steep E-facing slope at N end Rocky Ridge Trail Comment
  CHSC46894  Marah oregana R. A. Schlising 1964-4-14 2704 Contra Costa Berkeley/Oakland Hills. Comment
  CHSC46930  Marah oregana R. A. Schlising 1964-4-2 2697 Contra Costa Berkeley/Oakland Hills. Comment
  UC697138  Matricaria discoidea Mary L. Bowerman 1931-4-4 653 Contra Costa 4.5 mi from Mount Diablo entrance (west road); Mount Diablo Comment
  CAS-BOT-BC348048  Matricaria discoidea R. E. Frenkel 1963-5-27 208 Contra Costa On Morgan Territory Road, 0.2 mile south of summit 637 Comment
  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
  UC1197428  Medicago polymorpha Joseph P. Tracy 1934-4-30 13189 Contra Costa between Lafayette and Moraga 152 Comment
  UC692278  Medicago polymorpha Mary L. Bowerman 1931-4-4 640 Contra Costa 2 mi by road from west entrance (= North Gate); Mount Diablo Comment
  JEPS112333  Medicago sativa Dean G. Kelch and Andrew G. Murdock 2004-5-21 04 .219 Contra Costa Cummings Skyway; County: Contra Coasta; Exit from I-80 to Cummings Skyway. Comment
  UCD86382  Melica bulbosa M. Wiesendanger 1926-6-1 1530 Contra Costa Mt. Diablo. Comment
  CAS-BOT-BC271224  Melica californica Mary L. Bowerman 1935-4-22 2883 Contra Costa Ridge west of Pioneer Road west of Stage Road, Mount Diablo 853 Comment
  JEPS99555  Melica californica Mary Bowerman 1991-5-21 Contra Costa Mount Diablo, Jim White Trail [Deer Flat Rd.]. South side of Juniper-Moses Rock Trail near Deer Flat junction. Comment
  UC53673  Melica californica J. Burtt Davy 1900-3-24 6521 Contra Costa Point Richmond Comment
  UCD87188  Melica californica G. Thomas Robbins 1959-4-18 3994 Contra Costa At the western base of Potrero Hills, near and north of Pt. Richmond. Along Western Drive, Richmond. 7 Comment
  CAS-BOT-BC281431  Melica imperfecta D. E. Breedlove 1970-4-18 17433 Contra Costa At the N edge of Lafayette above Laurel Drive 243 Comment
  UC1784152  Melica imperfecta Virginia E. Long 1933-6-14 221 a Contra Costa Mount Diablo, on slope SE-E, along first west fork from Curry Creek trail Comment
  RSA295077  Melica torreyana Robert A. Norris, John L. Inase 1981-4-25 4143 Contra Costa Alongside Abrigo Valley trail, west part of Briones Regional Park (ca. 3 miles NNW Lafayette). 220 Comment
  UC53660  Melica torreyana Jos. Burtt Davy 1899-4-19 7862 Contra Costa Las Trampas Creek Comment
  UCD88832  Melica torreyana Beecher Crampton 1956-5-14 3421 Contra Costa 2 miles west of Martinez. Comment
  CAS-BOT-BC262509  Melica torreyana Mary L. Bowerman 1935-5-16 3013 Contra Costa Mount Diablo. Behind Gabriel-Hinks' (east side of North Peak): Wooded gully 289 Comment
  UCD161481  Melica torreyana A. A. Beettle 1941-3-28 1723 Contra Costa near Orinda. Comment
  JEPS112358  Melilotus albus Dean G. Kelch and Andrew G. Murdock 2004-6-4 313 Contra Costa Pacheco Marsh; County: Contra Costa. Comment
  JEPS68981  Mentzelia affinis Edward Lee 1935-3-29 1316 Contra Costa s watershed Kirker Creek; Nortonville Comment
  JEPS99553  Mentzelia dispersa Mary L. Bowerman 1978-5-26 Contra Costa Mount Diablo. Between lower summit parking lot and road. Comment
  UCD117222  Mentzelia dispersa P. B. Kennedy 1916-5-21 s.n. Contra Costa between Diablo and summit. Comment
  RSA296862  Mentzelia micrantha W. L. Jepson 1919-6-8 83314 Contra Costa Mt. Diablo Comment
  UC672665  Mentzelia micrantha H. L. Mason 1928-4-29 4435 Contra Costa Mount Diablo, Sycamore Canyon Comment
  CDA8377  Micropus californicus var. californicus D. G. Kelch, A. G. Murdock 2004-4-3 4 .155 Contra Costa Carquinez Strait Region; Mt. Wanda - Martinez Comment
  CAS-BOT-BC348648  Micropus californicus var. subvestitus Brandegee No date on label s.n. Contra Costa Antioch Comment
  CAS-BOT-BC348788  Microseris campestris Niall McCarten; V. I. Dains 1986-1-1 03231522 41 Contra Costa Ecos East Contra Costa County. W of Camino Diablo & Kellogg Creek Comment
  JEPS17890  Microseris douglasii subsp. douglasii Rimo Bacigalupi with G. T. Robbins 1954-3-26 5526 A Contra Costa field along Deer Valley Road; Deer Valley 76 Comment
  JEPS36178  Microseris douglasii subsp. douglasii W. L. Jepson 1918-6-3 7591 Contra Costa Donner Canyon 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
  UC691433  Microseris douglasii subsp. douglasii Mary L. Bowerman 1931-4-11 697 Contra Costa toward mouth of Pine Canyon; Mount Diablo Comment
  CAS-BOT-BC348883  Microseris douglasii subsp. douglasii Walter Knight; Irja Knight 1979-4-22 3442 Contra Costa At s.e. corner of Appian Way and Interstate 80 in Pinole Comment
  CAS-BOT-BC348887  Microseris douglasii subsp. douglasii Mary L. Bowerman 1933-5-8 2008 Contra Costa Mount Diablo. Fossil Ridge, south face, not far from but out of sight of South Entrance 289 Comment
  JEPS18256  Microseris elegans Peter H. Raven with Mason, Stone, Ornduff, Kuijt 1957-4-4 10580 Contra Costa 3.0 mi s Byron Comment
  CAS-BOT-BC349169  Microseris elegans Brandegee No date on label s.n. Contra Costa Byron Springs Comment
  RSA469886  Microsteris gracilis subsp. gracilis H. de Forest 1930-4-6 s.n. Contra Costa [No locality information provided] Comment
  JEPS53926  Mimulus arvensis Olive Dyer 1937-5-18 324 Contra Costa C.C.C. Camp (back of) Wildcat Canyon, near Berkeley Comment
  UC691614  Mimulus aurantiacus var. aurantiacus Mary L. Bowerman 1931-3-29 622 Contra Costa East Cave Point Ridge Mount Diablo Comment
  UC691621  Mimulus cardinalis Mary L. Bowerman 1932-11-19 1663 Contra Costa e Pioneer Camp (beneath fire trail); Mount Diablo, Mountain Springs Canyon Comment
  JEPS10570  Mimulus douglasii Mary L. Bowerman 1935-4-26 2906 Contra Costa w Indian Ceremonial Spring; Mount Diablo 1005 Comment
  UC1050851  Mimulus guttatus N. Floy Bracelin 1941-5-25 1321 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  SEINET4095730  Mimulus guttatus M. W. Garcia 1960-1 60049 Contra Costa Back of Tilden Park. 53 Comment
  JEPS9268  Mimulus latidens M. K. Curran May 1886 Contra Costa Antioch Comment
  UC103731  Mimulus latidens T. S. Brandegee May 1889 Contra Costa Antioch Comment
  UC886254  Mimulus latidens Lewis S. Rose 1940-4-11 40184 Contra Costa 3 mi w Byron 30 Comment
  UCD32387  Mimulus latidens Beecher Crampton 1950-4-22 531 Contra Costa 2 miles south of Antioch, on road from Antioch to Lone Tree Valley, in shallow depression along roadside. 60 Comment
  UC886241  Mimulus microphyllus Lewis S. Rose 1941-3-27 41064 Contra Costa 2 mi w Byron 60 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
  UC691909  Mimulus nasutus Mary L. Bowerman 1933-5-9 2056 Contra Costa e Pine Saddle; Mount Diablo, Curry Creek tributary Comment
  JEPS99598  Mimulus rattanii Mary Bowerman 1978-5-26 Contra Costa Mount Diablo, between Lower Summit parking area and road. Comment
  UC2027714  Minuartia douglasii Barbara Ertter with Stu Garrett 1997-3-29 15525 Contra Costa West side Mount Diablo, Burma Road on Long Ridge. Comment
  UC691409  Monardella douglasii Mary L. Bowerman 1933-6-21 2327 Contra Costa slightly s Bilharan Lodge; Mount Diablo, Donner Canyon Comment
  JEPS62399  Monardella villosa subsp. villosa Mary L. Bowerman 1930-6-18 339 Contra Costa Rock City Canyon Mount Diablo Comment
  UC2027734  Monardella villosa subsp. villosa Barbara Ertter 1997-2-16 15459 Contra Costa Shell Ridge Open Space on west flank of Mount Diablo, exposed sandstone on main ridgeline. Comment
  CAS-BOT-BC327804  Monolopia gracilens Mary L. Bowerman 1935-5-8 2973 Contra Costa Mt. Diablo, Muir Area, 1036 Comment
  UC2031460  Monolopia gracilens Barbara Ertter with David Gowen 2014-4-12 21715 Contra Costa Ridge on north side of Prospectors Gap Road, ca 1 mile east of Mount Diablo summit Comment
  UC691681  Monolopia gracilens Mary L. Bowerman 1932-4-16 1339 Contra Costa Eagle Point ridge s 1682 point; Mount Diablo Comment
  UC691683  Monolopia gracilens Mary L. Bowerman 1933-5-2 1946 Contra Costa below Pioneer Camp; Mount Diablo 762 Comment
  CAS-BOT-BC349617  Monolopia major James McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  JEPS111667  Monolopia major C. Thayer, J. Dunne 1997-3-27 Contra Costa 91 Comment
  UC468897  Monolopia major V. King Chesnut 1883-1 Contra Costa Moraga Valley Comment
  UC629756  Monolopia major Ethel Crum 1936-4-6 1741 Contra Costa 2 mi w Byron 45 Comment
  UC75188  Monolopia major unknown 1908-4-27 2796 Contra Costa Byron Comment
  CAS-BOT-BC349612  Monolopia major Brandegee No date on label s.n. Contra Costa Antioch Comment
  CAS-BOT-BC349613  Monolopia major Brandegee No date on label s.n. Contra Costa Antioch 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
  CDA15240  Myoporum laetum G. F. Hrusa, D. Crowe 1998-5-8 14371 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River. Comment
  UCD119532  Myosotis latifolia Terri Williamson 1990-5-22 70 Contra Costa 212 Poshard St. Pleasant Hill. 12 Comment
  JEPS65189  Myosurus L. R. Heckard 1971-4-15 2478 Contra Costa at intersection of Holey Road, s of Byron Comment
  UC1114819  Myosurus M. K. Curran 1884-1 Contra Costa Antioch Comment
  UC1101334  Myosurus minimus Herbert L. Mason 1952-4-26 14268 Contra Costa 3.5 mi s of Byron Comment
  UC1738082  Myosurus minimus D. E. Stone 1956-4-4 14296 C-6 Contra Costa 3 mi S of Byron (on road to Herdlyn) Comment
  UC1738102  Myosurus minimus D. E. Stone 1957-4-4 70 B Contra Costa 1 mi S of Byron ( on State 4) Comment
  UC480856  Myosurus minimus Katharine Brandegee 1909-4-24 Contra Costa Antioch Marsh Creek Antioch Comment
  UC1101331  Myosurus sessilis Herbert L. Mason 1952-4-26 14269 Contra Costa 3.5 mi s of Byron Comment
  UCD96287  Myosurus sessilis H. L. Mason 1952-4-14 14264 Contra Costa 3.5 miles south of Byron. Comment
  CDA19208  Myriophyllum spicatum Mangini, Whitlock 2001-4-3 PDR 041588 Contra Costa at SW corner of Contra Loma Park, East Bay Regional park, Antioch. 0 Comment
  CHSC106698  Najas guadalupensis Barbara Ertter; Brad Olson 1991-9-28 10838 Contra Costa San Pablo Reservoir between Orinda and El Sobrante, in shallow water at S end of reservoir. 91 Comment
  OBI72036  Najas guadalupensis Barbara Ertter, Brad Olson 1991-9-28 10838 Contra Costa San Pablo Reservoir between Orinda and El Sobrante 91 Comment
  UC2028254  Narcissus Barbara Ertter with Gary Schoolcraft 1996-4-7 14581 Contra Costa Molate Beach Park on San Francisco Bay north of San Rafael Bridge, coastal prairie and brushland on bluff Comment
  RSA217245  Nassella lepida D. E. Breedlove 1970-4-18 17437 Contra Costa At the north edge of Lafayette above Laurel Drive 244 Comment
  UC691272  Nassella lepida Mary L. Bowerman 1935-5-8 2976 Contra Costa spur below Pioneer Camp; Mount Diablo 731 Comment
  UC692291  Nassella lepida Mary L. Bowerman 1935-5-22 3060 Contra Costa saddle w Twin Peaks (Eagle POint Ridge); Mount Diablo 441 Comment
  UC60251  Nassella pulchra Jos. Burtt Davy 1899-4-19 7864 Contra Costa Las Trampas Peak Comment
  UC60254  Nassella pulchra J. Burtt Davy Apr 1897 Contra Costa Point Isabel Comment
  UC691268  Nassella pulchra Mary L. Bowerman 1935-4-17 2830 Contra Costa West road (= North Rd) 2 mi from entrance (se exposure); Mount Diablo 237 Comment
  UC692412  Nassella pulchra M. L. Bowerman 1935-4-26 2902 Contra Costa Indian Ceremonial Spring, W of Mount Diablo 1021 Comment
  UCD87436  Nassella pulchra A. A. Beetle 1941-3-29 1718 Contra Costa Orinda. Comment
  UCD87635  Nassella pulchra P. B. Kennedy 1914-3-15 4610 Contra Costa Sunset Cemetery. Comment
  POM300685  Nassella pulchra Mary L. Bowerman 1933-5-9 2036 Contra Costa East of Pioneer Camp Comment
  CAS-BOT-BC60355  Nasturtium officinale D. E. Breedlove 1969-10-18 16722 Contra Costa Along Alhambra Valley Road near junction with Bear Creek Road, southeast of Pinole. Comment
  JEPS105726  Navarretia gowenii David Gowen 2004-5-11 59 Contra Costa Lime Ridge Open Space. Summit area just south of the antenna facility. Comment
  UC691606  Navarretia mellita Mary L. Bowerman 1931-6-2 910 Contra Costa Gregory Ranch Road Mount Diablo Comment
  RSA22143  Navarretia mellita J. T. Howell 1938-6-30 13938 Contra Costa Head of Siesta Valley Comment
  UC126029  Navarretia nigelliformis M. K. Curran 1888-5 Contra Costa Antioch Comment
  CAS-BOT-BC230478  Navarretia nigelliformis var. nigelliformis K. Curran 1884-6-1 s.n. Contra Costa Antioch Comment
  RSA469883  Navarretia pubescens Thekla Mohr 1917-07 3155 Contra Costa Mount Diablo Comment
  CAS-BOT-BC233584  Navarretia pubescens John Thomas Howell 1942-7-19 17041 Contra Costa Near Deer Flat, Mount Diablo Comment
  UCD36024  Navarretia squarrosa Beecher Crampton 1949-6-5 469 Contra Costa Contra Cost County, along Highway 40, Pinole to San Pablo, above Garrity Creek, on top of West Hills. 30 Comment
  UCD36028  Navarretia squarrosa Beecher Crampton 1949-6-26 474 Contra Costa Contra Cost County, between Pinole and San Pablo, along US Highway 40, above Garrity Creek. 30 Comment
  JEPS100041  Nemophila heterophylla G. Smick 2003-2-27 GAS 54 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS111834  Nemophila heterophylla A. G. Murdock 2004-4-30 258 Contra Costa Vaca Canyon 165 Comment
  JEPS111835  Nemophila heterophylla D. G. Kelch 2003-3-21 03 .56 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 40 Comment
  UC24164  Nemophila heterophylla J. Burtt Davy 1895-4-7 907 Contra Costa Antioch Comment
  UC517484  Nemophila heterophylla John Thomas Howell 1933-5-14 11218 Contra Costa hills e St. Mary's College; hills e of St. Mary's College Comment
  UC606890  Nemophila heterophylla L. Constance 1938-3-22 2031 Contra Costa edge Wildcat Canyon n slope Berkeley Hills, edge Wildcat Canyon (n slope of the Berkeley Hills) 365 Comment
  UC67147  Nemophila menziesii Harley P. Chandler 1900-3-23 595 Contra Costa Briones Hills San Francisco Bay Region, Briones Hills Comment
  SBBG40449  Nemophila menziesii var. menziesii W. J. Dress 1951-3-17 Contra Costa W of Orinda Comment
  UCD102389  Nemophila menziesii var. menziesii 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
  POM181437  Nicotiana glauca I. L. Wiggins 1930-4-18 4604 Contra Costa East end of Jersey Island. Comment
  UC1125161  Nicotiana glauca G. T. Nordstrom 1937-10-28 1402 Contra Costa 1.4 mi n Somersville; Mt. Diablo Quad. 91 Comment
  UCD164893  Nicotiana glauca Henry House 1995-4-30 1995- 2 Contra Costa About 1.25 km west of Walnut Blvd., ca. 0.5 km south of Marsh Creek Rd. 60 Comment
  UC1952820  Nicotiana quadrivalvis Barbara Ertter with David Gowen 2010-11-17 20698 Contra Costa Mangini acquisition (Save Mount Diablo) between Lime Ridgeand Mount Zion Comment
  JEPS99491  Nuttallanthus texanus Mary Bowerman 1995-5-28 Contra Costa Mount Diablo, Knoll 1000' N of Wall Pt. Trail. Trail to Pine Pond from Wall Pt. fire road half encircles it on W side. Comment
  CAS-BOT-BC140361  Oemleria cerasiformis Alice Eastwood 1914-3-6 s.n. Contra Costa Redwood Canyon Comment
  JEPS99980  Oemleria cerasiformis G. Smick 2003-2-20 GAS 46 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  SEINET6824845  Oemleria cerasiformis E. R. Drew 1888-2-22 s.n. Contra Costa Moraga Valley Comment
  POM355601  Oenothera deltoides subsp. cognata H. de Forest 1930-4-6 s.n. Contra Costa Near mouth of San Joaquin River Comment
  CAS-BOT-BC171591  Oenothera deltoides subsp. howellii P. A. Munz 1949-6-1 14436 Contra Costa Sand dunes east of Antioch. Comment
  JEPS12789  Oenothera deltoides subsp. howellii Rimo Bacigalupi with G. T. Robbins 1955-5-4 4979 Contra Costa river front just e Antioch; San Joaquin River 9 Comment
  JEPS716  Oenothera deltoides subsp. howellii W. L. Jepson 1945-10-28 27570 Contra Costa Antioch Sand Hills 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
  CDA38153  Oenothera deltoides subsp. howellii F. J. Brucato 1962-5-1 s.n. Contra Costa Antioch; Wilbur Ave. 0 Comment
  RSA119390  Oenothera deltoides subsp. howellii William M. Klein 1958-6-9 441 Contra Costa Sandhills N of Antoch, along the San Joaquin River Channel. 2 Comment
  CAS-BOT-BC7128  Oenothera deltoides var. howellii Alice Eastwood; John Thomas Howell 1936-4-19 2147 Contra Costa Antioch Comment
  RSA0004531  Oenothera deltoides var. howellii Alice Eastwood, J. T. Howell 1936-4-19 2147 Contra Costa Sand dunes at Antioch Comment
  JEPS111550  Olea europaea D. G. Kelch 2004-3-5 04 .1 Contra Costa Martinez - Rankin Open Space Rankin Park, Martinez, Contra Costa County, CA 80 Comment
  UC2027743  Olea europaea Barbara Ertter 1997-1-5 15437 Contra Costa Lime Ridge Open Space on northwest side of Mount Diablo, section on north side of Ygnacio Valley Road. Comment
  UC2028046  Olea europaea Barbara Ertter 1998-3-1 15921 Contra Costa Shell Ridge Open Space on northwest base of Mount Diablo, Sulfur Creek upstream from Good's Spring. Comment
  UC1607664  Orobanche uniflora Barbara Ertter with Michelle Seidl 1992-3-14 10918 Contra Costa Morgan Territory Regional Preserve e of Mount Diablo; Morgan Territory Regional Preserve Comment
  UC1076313  Orobanche uniflora subsp. occidentalis Herbert L. Mason 1931-4-5 5828 Contra Costa Road between Marsh Creek and Livermore. Comment
  UC27895  Orobanche uniflora subsp. occidentalis W. H. Brewer 1862-5-23 1152 Contra Costa SE of Mount Diablo. Comment
  UC27898  Orobanche uniflora subsp. occidentalis J. Burtt Davy 1895-4-13 1004 Contra Costa Lafayette. Comment
  CAS-BOT-BC500251  Orobanche uniflora subsp. occidentalis John Thomas Howell 1940-4-21 15401 Contra Costa Pine Canyon, Mt. Diablo Comment
  JEPS99528  Orobanche vallicola Mary L. Bowerman 1977-6-11 Contra Costa Mount Diablo, Pine Canyon, Castle Rock Park (rest unclear). Comment
  POM300994  Orthocarpus attenuatus Mary L. Bowerman 1933-5-11 2084 Contra Costa Inner Black Hills, west end (east of the meridian). Comment
  SEINET3821123 Image available Orthocarpus erianthus Lewis S. Rose 1932-3-26 32115 Contra Costa Open hillsides, Nortonville. Comment
  SEINET10549673  Orthocarpus erianthus John T. Middleton 1936-4-24 Middleton 95 D Contra Costa Deer valley. Comment
  JEPS99556  Osmorhiza chilensis Mary L. Bowerman 1975-6-7 Contra Costa Mount Diablo, Big Spring Comment
  UC2029047  Oxalis pes-caprae Barbara Ertter with Linda Vorobik 2000-1-9 16891 Contra Costa Las Trampas Regional Wilderness in East Bay Hills west of Danville, edge of woodland behind Eugene O'Neill house. Comment
  CAS-BOT-BC318278  Packera breweri Joseph Whipple Congdon 1896-5-30 s.n. Contra Costa Mt. Diablo. Comment
  UC2028103  Packera breweri Barbara Ertter with Christopher Baysdorfer 1998-5-10 16124 Contra Costa West side Lime Ridge Open Space northwest of Mount Diablo. Comment
  CAS-BOT-BC253783  Panicum hillmanii Walter Knight 1977-7-10 s.n. Contra Costa East Bay Regional Park District. Along Lafayette-Moraga Regional Trail. Intersection of Foye Street, Lafayette Comment
  SBBG122845  Papaver californicum M. Bowerman 1978-5-14 Contra Costa old wagon trail to Mines on E face of Eagle Pk, Mount Diablo Comment
  SJSU6411  Papaver heterophyllum G. C. Dudley 1966-5-1 112 Contra Costa Reliez Valley, Briones Hills, N of Lafayette Comment
  JEPS127671  Parapholis incurva Barbara Ertter with David Gowen and Michael Park 2017-5-2 22801 Contra Costa West Marsh Creek State Park (former Cowell Ranch) SW of Brentwood, Briones Valley east of Deer Valley Road. Comment
  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
  UCD88468  Parapholis incurva A. A. Beetle 1942-4-1 3268 Contra Costa Brooks Island. San Francisco Bay. Comment
  UCD88472  Parapholis incurva Katharine Brandegee 1916-5-8 s.n. Contra Costa Byron Springs. Comment
  JEPS100036  Paspalum dilatatum S. O'Neil 2003-9-16 SEO 46 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UCD88747  Paspalum dilatatum Helen K. Sharsmith 1963-6-1 s.n. Contra Costa Berkeley Hills, Tilden Park Golf Course. Comment
  JEPS87902  Pectocarya pusilla Barbara Ertter, Lynne Hosley 1993-4-17 11508 Contra Costa ca. 10 air mi. n. Livermore (hills in lee of Mt. Diablo, e. side of open meadow along Blue Oak trail, Morgan Territory); Morgan Territory 609 Comment
  JEPS108356  Pectocarya pusilla David Gowen 2005-4-4 225 Contra Costa Sibley Regional Preserve. East of Round Top and ouside of the park. NE-facing slope half way down to the valley. Comment
  JEPS65608  Pediomelum californicum W. L. Jepson 1922-5-23 9657 Contra Costa near very summit Mt. Diablo 1170 Comment
  UC692274  Pediomelum californicum Mary L. Bowerman 1930-6-7 282 Contra Costa Meridian Peak summit , Meridian Peak summit (Mount Diablo) Comment
  RSA91021  Pediomelum californicum F. W. Peirson 1923-7-1 3618 Contra Costa Near summit of Mt. Diablo. Comment
  CDA42756  Pellaea andromedifolia A. G. Murdock 2003-2-21 68 Contra Costa Carquinez Strait Region; Martinez; west border of Mt. Wanda property. Comment
  UC399537  Pellaea mucronata var. mucronata Michener May, 1894 Contra Costa Mt Diablo Comment
  NY583832  Penstemon centranthifolius L. S. Rose 1936-4-24 36158 Contra Costa 3 miles east of Antioch 15.2 Comment
  JEPS7555  Penstemon heterophyllus var. heterophyllus Mary L. Bowerman 1935-6-15 3132 Contra Costa Flat (first bottom) where stream forks Mount Diablo, Mitchell Creek, Flat (first bottom) (Mitchell Creek, Mount Diablo) 640 Comment
  UC691517  Penstemon heterophyllus var. heterophyllus Mary L. Bowerman 1930-6-7 268 Contra Costa Meridian Peak summit (Meridian Peak crossed out) Mount Diablo Comment
  UC2042960  Pentachaeta alsinoides Barbara Ertter with David Gowen 2006-6-6 18676 Contra Costa Upper San Leandro Reservoir Watershed (EBMUD) south of Moraga. Comment
  JEPS116694  Pentachaeta alsinoides David Gowen 2006-5-19 581 Contra Costa Mount Diablo; Knobcone Point Rd. where road makes turn southwest of Cave Point. Comment
  SBBG122848  Pentachaeta alsinoides B. Ertter, L. Schulteis 1995-4-27 14006 Contra Costa end of Arbolado Drive, Lime Ridge open space NW of Mt Diablo 121 Comment
  UC2027918  Pentachaeta alsinoides Barbara Ertter, Dan Norris 2001-4-8 17581 Contra Costa Lime Ridge Open Space east of Walnut Creek, high part of main ridge. Comment
  UC672242  Pentachaeta alsinoides Herbert L. Mason 1932-4-15 6925 Contra Costa summit road from Moraga to Lafayette Comment
  UC1606429  Perideridia kelloggii Barbara Ertter, Brad Olson 1993-8-8 12203 Contra Costa sw San Ramon; Bishop Ranch Regional Open Space Comment
  CAS-BOT-BC413499  Persicaria amphibia Walter Knight; I. Knight; J. T. Howell; et al 1978-9-5 3246 Contra Costa Brown's Island. Crooked Slough Comment
  CAS-BOT-BC413780  Persicaria lapathifolia Walter Knight 1978-8-27 3166 Contra Costa Contra Loma Regional Park 30 Comment
  CAS-BOT-BC413778  Persicaria lapathifolia D. E. Breedlove 1969-10-18 16719 Contra Costa Along Alhambra Valley Road near junction with Bear Creek Road, SE of Pinole Comment
  RSA428314  Phacelia Alice Eastwood 1931-5-30 18617 Contra Costa Oak Spring Comment
  JEPS112707  Phacelia breweri Dean W. Taylor 1994-3-30 14114 Contra Costa Mt. Diablo (in Mt. Diablo State Park); Juniper Camp, on west slope of Moses Rock Ridge; along fire road that begins at NW end of campground, about 125 m NW of the gate 883 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
  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
  POM298633  Phacelia californica Lincoln Constance 1940-3-16 2524 Contra Costa Margin of San Francisco Bay, Point Richmond. 15 Comment
  SEINET3158089  Phacelia ciliata L. S. Rose 1937-3-26 37013 Contra Costa Brentwood 6 Comment
  UC1950229  Phacelia ciliata Barbara Ertter 1992-3-8 10910 Contra Costa NE edge of Black Diamond Mines Regional Preserve, NE-heading canyon with steep loose sides ca 1/2 mi W of junction of Stewartville Trail and Fredrickson Lane Comment
  JEPS111829  Phacelia distans D. G. Kelch 2005-4-15 05 .141 Contra Costa Rodeo Creek EBRP land. West of Cummings Skyway near summit (Old C&H Sugar diatomaceous earth dump) 100 Comment
  JEPS111838  Phacelia distans D. G. Kelch 2003-4-3 03 .359 Contra Costa Cummings Skyway 115 Comment
  JEPS2385  Phacelia distans Mary L. Bowerman 1930-6-10 300 Contra Costa Meridian Peak summit Mount Diablo Comment
  UC107401  Phacelia distans T. S. Brandegee May 1889 Contra Costa Antioch Comment
  UC1084500  Phacelia distans G. Thomas Robbins 1940-5-19 321 Contra Costa e Antioch (sand hills bordering river); San Joaquin River Comment
  RSA83075  Phacelia distans Verne Grant, Alva Grant 1947-3-16 7892 Contra Costa East of Antioch. Comment
  UC727775  Phacelia distans Milo S. Baker 1946-4-20 11333 Contra Costa summit of hwy s Clayton Comment
  JEPS2350  Phacelia divaricata Mary L. Bowerman 1935-4-26 2897 Contra Costa w Indian Ceremonial Spring; Mount Diablo 1021 Comment
  UC691703  Phacelia divaricata Mary L. Bowerman 1935-4-26 2897 Contra Costa w Indian Ceremonial Spring (hillside); Mount Diablo 1021 Comment
  UC2028997  Phacelia divaricata Barbara Ertter 2000-3-30 16914 Contra Costa North side of Mount Diablo, grassy S-facing hillside between Deer Flat Creek and Bald Ridge, off-trail east of Meridian Ridge Road. Comment
  UC24356  Phacelia douglasii The Postmaster 1900-3-24 Contra Costa Oakley Comment
  UC107570  Phacelia imbricata T. S. Brandegee 1892-6-9 Contra Costa Port Costa Comment
  UC735094  Phacelia imbricata subsp. imbricata Lincoln Constance, T. Morley, R. H. Shan, and W. H. Wagner 1946-4-26 3033 Contra Costa trail from Juniper Camp to Deer Flat; Mount Diablo 838 Comment
  UC901821  Phacelia imbricata subsp. imbricata L. Constance and C. Ritchie Bell 1950-5-18 3336 Contra Costa n peak Mount Diablo 1066 Comment
  POM252665  Phacelia phacelioides H. L. Mason 1938-5-3 11749 Contra Costa Trail between Juniper Camp and Deer Flat, Mount Diablo. Comment
  UC198955  Phacelia phacelioides H. M. Hall and F. M. Essig 1916-5-31 10135 Contra Costa on embankments along a new road Mount Diablo 1140 Comment
  CDA31462  Phacelia tanacetifolia D. G. Kelch 2006-5-27 6 .219 Contra Costa Pinole Valley Park, S of Pinole Valley Road near crest of El Sobrante Ridge. Comment
  UC691701  Phacelia tanacetifolia Mary L. Bowerman 1931-4-19 738 Contra Costa ridge s Deer Flat (by rocks on crest of ridge); Mount Diablo 838 Comment
  JEPS100005  Phalaris aquatica S. O'Neil 2003-5-30 SEO 35 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  CAS-BOT-BC259028  Phalaris lemmonii Ira L. Wiggins 1930-4-17 4583 Contra Costa 1/4 mi. s. of Byron Comment
  UCD89358  Phalaris paradoxa Katharine Brandegee 1916-5-8 s.n. Contra Costa Byron Springs. Comment
  JEPS100003  Philadelphus G. Smick 2003-5-1 GAS 157 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC52449  Phlox gracilis H. M. Hall 1901-3-22 1685 Contra Costa Port Costa San Francisco Bay Region Comment
  CHSC59985  Pholistoma membranaceum J. M. Tucker 1981-4-25 4454 Contra Costa Antonio Souza Ranch southwest of Byron. Mt. Diablo Meridian. 309 Comment
  UC24023  Pholistoma membranaceum J. Burtt Davy 1895-4-8 989 Contra Costa foothills Antioch Comment
  HSC83448  Pholistoma membranaceum J. M. Tucker 1981-4-25 4454 Contra Costa Antonio Souza Ranch SW of Byron, summit of High Hill 309 Comment
  CDA22381  Phoradendron macrophyllum D. G. Kelch, A. G. Murdock 2005-5-13 5 .235 Contra Costa Carquinez Strait Region; Martinez. South of oil refinery along railroad tracks in fragment of habitat. Comment
  CDA23776  Phoradendron macrophyllum D. G. Kelch 2007-10-6 7 .633 Contra Costa Carquinez Strait; Fernandez Ranch. Muir Land Trust Property 4.5 km W of Rodeo. Comment
  JEPS107085  Phoradendron macrophyllum Barbara Ertter, Brad Olson, Diane Lake, Seth Adams, et al. 1994-9-11 13085 Contra Costa Chaparral Springs addition to Mt. Diablo State Park, north side of Marsh Creek Road at high point southeast of Clayton. Comment
  JEPS111926  Phoradendron serotinum subsp. macrophyllum Dean G. Kelch and Andrew G. Murdock 2005-5-13 DGK 05 .235 Contra Costa Martinez. South of oil refinery along Railroad tracks in fragment of habitat. Comment
  CAS-BOT-BC141254  Phoradendron serotinum subsp. tomentosum Mary L. Bowerman 1932-10-22 1636 Contra Costa Road to Quicksilver Mine: Flats at base of N Peak. Mount Diablo Comment
  UC6098  Phoradendron villosum W. C. Blasdale 1891-3-7 Contra Costa San Pablo Creek Comment
Read comments
May 25 2011
  CAS-BOT-BC260886  Phragmites australis Walter Knight; Irja Knight 1978-9-5 3230 Contra Costa Browns Island Comment
  CDA9198  Phragmites australis D. G. Kelch, A. G. Murdock 2003-8-13 3 .101 Contra Costa Carquinez Strait; Salt Marsh E of Marina. Martinez. Comment
  CAS-BOT-BC260885  Phragmites australis Doreen Smith 2003-10-25 s.n. Contra Costa Martinez shoreline Comment
  CDA31164  Pickeringia montana D. G. Kelch, Troy McGregor; Ed Biffin 2010-6-1 10 .225 Contra Costa Mt. Diablo. Knobcone Point Rd. Comment
  JEPS65576  Pickeringia montana var. montana W. L. Jepson 1918-6-3 7574 Contra Costa Donner Canyon Mt. Diablo 533 Comment
  JEPS65182  Pilularia americana L. R. Heckard 1971-4-15 2485 Contra Costa s Byron (field at intersection of Holey Rd.) Comment
  UC1077124  Pilularia americana Herbert L. Mason 1932-3-20 6851 Contra Costa Deer Valley Comment
  UC534973  Pilularia americana Katharine Brandegee 1909-4-24 Contra Costa between Antioch and Marsh Creek (Briones Rd.) Comment
  JEPS46915  Pinus attenuata W. L. Jepson 1923-4-22 9876 Contra Costa Mt. Diablo Comment
  UC2028031  Pinus halepensis Barbara Ertter 1997-9-7 15800 Contra Costa North side Mount Diablo, Falls Trail in Donner Canyon. Comment
  SJSU1345  Pinus muricata A. W. Jacobs 1953-4-26 Contra Costa Tilden Regional Park Botanic Garden, E of Berkeley Comment
  UC907503  Pinus pinea Walter S. Malloch 1950-6-21 Contra Costa Lakewood subdivision Walnut Creek Comment
  JEPS48211  Pinus sabiniana W. L. Jepson 1901-10-12 1749 Contra Costa Mitchell Canon Mt. Diablo, Mitchell Canon Comment
  UC692100  Pinus sabiniana Mary L. Bowerman 1933-5-10 2070 Contra Costa 100 ft below Muir Area Comment
  CAS-BOT-BC137272  Piperia elegans John Thomas Howell 1942-8-23 17862 Contra Costa Field redacted by CAS, contact the data manager for more information Comment
  UC691270  Piperia michaelii Mary L. Bowerman 1935-5-16 3004 Contra Costa e side North Peak (above Gabriel-Hinks'); Mount Diablo 289 Comment
  CDA15838  Piptatherum miliaceum R. M. Case 1999-10-22 PDR 1206166 Contra Costa San Francisco Bay Area; near Walnut Creek. 0 Comment
  CDA34979  Pistacia atlantica Barbara Ertter, Dan Norris 2001-4-8 17603 Contra Costa Lime Ridge Open Space, main pit of west quarry area north of the adjacent golf course. Comment
  JEPS60914  Plagiobothrys acanthocarpus Edw. L. Greene 1889-3-24 Contra Costa near Byron Comment
  UC1084390  Plagiobothrys bracteatus G. Thomas Robbins 1937-4-25 149 Contra Costa 2 mi e Alamo Comment
  UC24549  Plagiobothrys bracteatus W. H. Brewer 1862-4-30 1007 Contra Costa Camp 69 Walnut Creek Comment
  JEPS123328  Plagiobothrys bracteatus David Gowen with Chris Thayer 2010-4-30 1093 Contra Costa North of Briones Reservoir. On Oursan Trail and adjacent slopeca. 2/3 of the way from Hampton Trail junction to the north end of the dam. Comment
  SEINET12343274  Plagiobothrys bracteatus Ottley 1920-4-25 448 Contra Costa entrance to Mitchell Canon, Mt. Diablo 198 Comment
  UC1795790  Plagiobothrys bracteatus Barbara Ertter, Mary Bowerman et al. 1995-5-7 14031 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, wet ground around small pond west of road in grassy flat. 304 Comment
  SBBG28860  Plagiobothrys canescens L. S. Rose 1933-3-29 33046 Contra Costa Pittsburg Comment
  RSA8341  Plagiobothrys canescens L. S. Rose 1933-3-29 33046 Contra Costa Pittsburg Comment
  UC2070495  Plagiobothrys fulvus Barbara Ertter with Kevin Hintsa et al. 2003-4-20 18150 Contra Costa Diablo Foothills Regional Park on west base of Mount Diablo, south end of trail west edge of Castle Rock Recreation Area. Comment
  UC575686  Plagiobothrys fulvus Alice Eastwood and John Thomas Howell 1935-4-7 2120 Contra Costa sandy hills on Marsh Creek Road near Byron Comment
  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
  JEPS61038  Plagiobothrys humistratus E. L. Greene 1889-3-23 Contra Costa Byron Comment
  OBI72067  Plagiobothrys leptocladus Barbara Ertter, Jim Jokerst and Dave Magney 1989-4-5 8129 Contra Costa SE county. W and adj to Clifton Ct Forebay, ca 15 air mi SW of Stockton T1S R3E sec 24 SESW Comment
  RSA666369  Plagiobothrys stipitatus Barbara Ertter, J. D. Jokerst, D. Magney 1989-4-5 8120 Contra Costa West and adjacent to Clifton Court Forebay, 15 air miles SW of Stockton. 0 Comment
  JEPS61072  Plagiobothrys stipitatus var. micranthus E. L. Greene 1889-3-24 Contra Costa Byron Comment
  UC79336  Plagiobothrys tenellus Katharine Brandegee April 1890 Contra Costa Antioch Comment
  JEPS111833  Plagiobothrys trachycarpus A. G. Murdock 2004-3-19 230 /231 Contra Costa Hercules - Carbon 50 Comment
  UC2028324  Plagiobothrys trachycarpus Barbara Ertter with Richard K. Brummitt 1998-5-13 16143 Contra Costa Black Diamond Mines Regional Preserve in hills south of Pittsburg, depression in road from Somersville Road to south leg of Loughler Loop Trail. Comment
  UC2070496  Plagiobothrys trachycarpus Barbara Ertter 2003-3-28 18120 Contra Costa Round Valley Regional Preserve, Fox Trail ca 1/8 mile west of junction with valley trail, low spot in road where water collects. Comment
  JEPS116856  Plagiobothrys undulatus David Gowen 2007-4-16 674 Contra Costa Briones Regional Park on foot trail northwest of Maricich Lagoon. Comment
  RSA756696  Plantago bigelovii subsp. californica Barbara J. Ertter, Jim Jokerst, Dave Magney 1989-4-5 8128 Contra Costa West and adjacent to Clifton Court Forebay, 15 air miles SW of Stockton. 0 Comment
  CAS-BOT-BC6475  Plantago californica M. K. Curran 1883-1-1 s.n. Contra Costa Antioch Comment
  JEPS24312  Plantago elongata S. G. Smith 1957-4-28 2851 Contra Costa 1 mi s Byron Comment
  UC124287  Plantago elongata M. K. Curran May 1883 Contra Costa Antioch Comment
  UC1745802  Plantago elongata Annetta M. Carter 1933-4-9 291 Contra Costa About 2 mi. SW of Nortonville. Comment
  JEPS111996  Plantago erecta D. G. Kelch 2003-3-28 03 .88 Contra Costa Rodeo - Lone Tree Point 2 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
  RSA0068052  Plantago erecta Katie Gallagher, Nick Jensen 2014-4-26 189 Contra Costa Las Trampas Regional Wilderness. 396 Comment
  RSA755543  Plantago erecta Barbara J. Ertter, Jim Jokerst, Dave Magney 1989-4-5 8141 Contra Costa West and adjacent to Clifton Court Forebay, 15 air miles SW of Stockton. 0 Comment
  UC1607651  Plantago subnuda Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10882 Contra Costa just w Antioch marina (levee at n-center of preserve, at end of road); Dow Wetlands Preserve Comment
  JEPS51585  Platystemon californicus W. L. Jepson 1887-4-12 Contra Costa Moraga Valley Comment
  UC101594  Platystemon californicus Katharine Brandegee 1907-5-5 f Contra Costa between Antioch and Marsh Creek; between Antioch and Marsh Creek Comment
  UC101598  Platystemon californicus Katharine Brandegee 1907-5-5 d Contra Costa between Antioch and Marsh Creek; between Antioch and Marsh Creek Comment
  UC1328152  Platystemon californicus Olive Dyer April 1938 424 Contra Costa San Pablo Ridge Wildcat Canyon (just over on Orinda side); , Wildcat Canyon Comment
  SEINET3160735  Platystemon californicus L. S. Rose 1940-4-11 40189 Contra Costa 2 mi. w. of Byron Comment
  UC2028088  Plectritis ciliosa Barbara Ertter, Tony Morosco 1998-4-12 15985 Contra Costa Base of Mount Olympia on north side of Mount Diablo, south side of lower end of Olympia Trail. Comment
  JEPS111775  Plectritis macrocera D. G. Kelch 2005-3-25 05 .83 Contra Costa Pinole Peak Fernandez Ranch. West of Christie Road. South of I-4 (behind golf course) and North of Pinole Peak 250 Comment
  JEPS12782  Plectritis macrocera Rimo Bacigalupi with G. T. Robbins 1955-5-4 4975 Contra Costa s of and above Nortonville ((site)) 304 Comment
  UC28872  Plectritis macrocera Jos. Burtt Davy 1901-4-21 Contra Costa Wildcat Canyon Comment
  CAS-BOT-BC260944  Pleuropogon californicus var. californicus Ynes Mexia 1929-4-21 2388 Contra Costa Junction of Franklin Canyon Comment
  JEPS40446  Pluchea odorata var. odorata R. F. Hoover 1937-8-31 2703 Contra Costa Avon Comment
  SJSU5395  Pluchea odorata var. odorata M. Bruch 1966-10-30 Contra Costa SW end of Winter Island, New York Slough, confluence of San Joaquin-Sacramento rivers c. 2 mi NW of Antioch Comment
  SBBG44987  Poa annua A. Eastwood, J. T. Howell 1936-4-19 Contra Costa Antioch Comment
  POM300703  Poa howellii Mary L. Bowerman 1933-3-21 2148 Contra Costa Below Grape Spring (south from Curry Canyon) Comment
  CAS-BOT-BC236395  Poa secunda subsp. secunda D. E. Breedlove 1970-4-18 17551 Contra Costa At the N edge of Lafayette above Laurel Drive 243 Comment
  CAS-BOT-BC236396  Poa secunda subsp. secunda J. W. Stacey 1934-3-21 34069 Contra Costa Marsh Creek, 6 miles E of Clayton Comment
  UC692415  Poa secunda subsp. secunda Mary L. Bowerman 1933-5-3 1985 Contra Costa Grassy flat beneath Quereus Douglasii, little below and across the stream from the spring. Alder Canyon 731 Comment
  UCD91671  Poa secunda subsp. secunda P. B. Kennedy 1916-5-1 s.n. Contra Costa Pinehurst. Comment
  UC25592  Pogogyne douglasii subsp. parviflora W. L. Jepson May 23-24 1891 Contra Costa Mount Diablo Comment
  JEPS62457  Pogogyne serpylloides John Thomas Howell 1930-4-22 4747 Contra Costa Bald Peak, Berkeley Hills. Comment
  RSA0068483  Pogogyne serpylloides Katie Gallagher, Nick Jensen 2014-4-26 192 Contra Costa Las Trampas Regional Wilderness. 396 Comment
  CDA33778  Polycarpon tetraphyllum D. G. Kelch 2011-5-11 11 .246 Contra Costa Carquinez Strait Region.; Crockett. At CREEC nursery Dowlrelio Dr (below bridge). Comment
  CDA34157  Polycarpon tetraphyllum D. G. Kelch, D. A. Weinstein 2011-6-3 11 .569 Contra Costa Carquinez Strait Region.; Martinez. Comment
  UC692068  Polygonum amphibium var. emersum Mary L. Bowerman 1931-6-16 928 Contra Costa Chase Pond Mount Diablo (by Old Government Trail) Comment
  POM300597  Polygonum amphibium var. stipulaceum Mary L. Bowerman 1935-7-22 3185 Contra Costa Hidden Pond. 518 Comment
  JEPS99992  Polygonum arenastrum G. Smick 2003-5-8 GAS 176 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  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
  CHSC116609  Polygonum aviculare Lowell Ahart; Josephine Guardino 2016-4-19 20782 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. 1.4 miles northwest of Los Vaqueros Reservoir Marina, 1.9 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 144 Comment
  POM181450  Polygonum aviculare I. L. Wiggins 1930-4-18 4612 Contra Costa East end of Jersey Island. Comment
  UC6649  Polygonum aviculare subsp. aviculare Hansen Sept. 1899 Contra Costa Byron Springs Comment
  CDA31465  Polygonum aviculare subsp. buxiforme D. G. Kelch 2006-8-12 6 .376 Contra Costa Carquinez Strait; Martinez. Along Alhambra Creek near train station. Comment
  UC1618387  Polygonum punctatum Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10875 Contra Costa just w of Antioch Marina (Dow Wetlands Preserve); Dow Wetlands Preserve Comment
  JEPS95765  Polygonum ramosissimum Dianne Lake 1999-10-5 Contra Costa NW end of wetland at NE corner of Plymouth and Hillcrest, 1 block N of E 18th St. Antioch 3 Comment
  CDA42732  Polypodium calirhiza A. G. Murdock 2003-2-21 71 Contra Costa Carquinez Strait Region; Martinez; on top of north-facing hill above train tunnel on Mt. Wanda. Comment
  UC1222107  Polypodium calirhiza Joseph Andorfer Ewan 1934-3-10 8657 Contra Costa 1/2 mi below Orinda rd. bridge; Wildcat Canyon Comment
Read comments
Aug 23 2009
  UC1541044  Polypodium calirhiza Dick Moe 1985-2-24 Contra Costa Red Rock Isl.; San Francisco Bay Comment
  UC1614416  Polypodium calirhiza Charles M. Belshaw 1935-12-28 1427 Contra Costa on trail above ranch house Las Trampas Ridge Comment
  UC692121  Polypodium calirhiza Mary L. Bowerman 1935-3-15 2736 Contra Costa e fork Arroyo del Cerro; Mt. Diablo 262 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
  UC2013051  Polypogon interruptus Barbara Ertter with Tony Morosco 1996-7-27 15031 Contra Costa Mount Diablo State Park, Donner Creek ca halfway between Regency Drive trailhead and old cabin site. Comment
  JEPS72969  Polypogon monspeliensis W. L. Jepson 1940-6-5 19934 Contra Costa Richmond Comment
  UCD91222  Polypogon monspeliensis A. A. Beetle 1941-6-24 1750 Contra Costa Point Richmond on San Francisco Bay. Comment
  UCD91255  Polypogon monspeliensis Brandegee 1916-5-9 s.n. Contra Costa Byron Springs. Comment
  JEPS100004  Populus fremontii A. Langston 2003-9-16 AL 91 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC2027748  Populus fremontii subsp. fremontii Barbara Ertter 1996-11-24 15426 Contra Costa West side of Mount Diablo, Pine Pond along Stage Road in Pine Canyon. Comment
  CAS-BOT-BC105604  Populus trichocarpa Marian L. Campbell 1921-7-26 s.n. Contra Costa Ireland's place, Sacramento River Comment
  SD211523  Potamogeton diversifolius Barbara Ertter, Brad Olson 1991-9-28 10839 Contra Costa San Pablo Reservoir between Orinda and El Sobrante, in shallow water at South end of reservoir 91 Comment
  CDA29217  Potentilla glandulosa D. G. Kelch 2006-5-7 9 .153 Contra Costa Carquinez Strait.; Crockett. Upper Edward s Canyon. 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
  SEINET3840785  Proboscidea lutea Unknown 2006-8-6 6 .359 Contra Costa Alhambra Valley road, between Castro Ranch road and Bear Creek road, along the edge of a plowed field 80 Comment
  UC1784904  Prunus avium Barbara Ertter with Dan Norris 1999-10-23 s. n. Contra Costa Huckleberry Botanic Regional Preserve, Oakland Hills, along lower loop trail Comment
  CDA33067  Prunus dulcis D. G. Kelch 2010-10-5 10 .415 Contra Costa The Delta; Just east of Antioch bridge. Comment
  JEPS112091  Prunus lyonii D. G. Kelch 2004-5-9 04 .215 Contra Costa Crockett - Eckley Hills North of Bull Valley Staging Area. Rare 13 Comment
  UC691146  Prunus virginiana var. demissa Mary L. Bowerman 1933-5-21 2148 a Contra Costa Grape Spring s from Curry Canyon (Mount Diablo); , Grape Spring Comment
  CDA42365  Pseudognaphalium californicum D. G. Kelch, Vince Guise 2012-7-26 12 .232 Contra Costa El Sobrante; Circle Dr. Comment
  UC2013024  Pseudognaphalium californicum Barbara Ertter 1990-5-19 8994 Contra Costa Lafayette Ridge of Briones Regional Park N of Lafayette. Comment
  UC2036954  Pseudognaphalium luteoalbum Mary L. Bowerman 1946-2-10 4080 Contra Costa Weed around old C.C.C. camp buildings (not in use at moment). Comment
  CAS-BOT-BC357444  Pseudognaphalium ramosissimum John Thomas Howell 1925-11-7 1558 Contra Costa San Leandro Canyon, Oakland Hills 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
  UC1563700  Psilocarphus brevissimus var. brevissimus Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8143 Contra Costa ca 15 air mi sw Stockton (w and adjacent to Clifton Court Forebay, se Contra Costa Co.) Comment
  UC177451  Psilocarphus brevissimus var. brevissimus Brandegee May 1886 Contra Costa Antioch Comment
  CAS-BOT-BC361831  Psilocarphus oregonus J. H. Thomas 1953-4-25 3000 Contra Costa 2 miles SW of Brentwood Comment
  JEPS25388  Psilocarphus oregonus Rimo Bacigalupi with G. T. Robbins and Francia Chisaki 1959-4-14 7001 Contra Costa 2.5 mi se Antioch (along Lone Tree Way, just e of Antioch Airport) 56 Comment
  UC177448  Psilocarphus oregonus Alice Eastwood 1893-5-5 Contra Costa Brentwood Comment
  UC552339  Psilocarphus oregonus Lucile R. Mason 1935-4-9 Contra Costa Marsh Creek Comment
  JEPS100175  Psilocarphus tenellus G. Smick 2003-5-8 GAS 179 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS40518  Psilocarphus tenellus W. L. Jepson 1922-5-11 9635 Contra Costa n Berkeley Hills; North Berkeley Hills Comment
  SEINET12235404  Ptelea baldwinii M. T. Doretl 1930-1 79 Contra Costa Marsh Creek Comment
  RSA15420  Ptelea baldwinii subsp. crenulata L. S. Rose 1936-4-24 36147 Contra Costa Marsh Creek. 6 miles E of Clayton. 61 Comment
  RSA115538  Ptelea baldwinii subsp. crenulata Beecher Crampton 1957-7-9 4273 Contra Costa Slopes above Carquinez Straits. 2-3 miles NW of Martinez. Comment
  RSA448385  Ptelea baldwinii subsp. crenulata John Doyen, Glenn Gorelick 1966-4-22 s.n. Contra Costa Russelman Park. Mt. Diablo State Park. Comment
  CAS-BOT-BC148628  Ptelea crenulata Alice Eastwood 1915-5-30 4489 Contra Costa Mount Diablo Comment
  CAS-BOT-BC148639  Ptelea crenulata W. L. Jepson 1918-6-5 7603 a Contra Costa Mt. Diablo, Donner Canyon Comment
  CAS-BOT-BC148640  Ptelea crenulata A. D. E. Elmer 1903-5-1 4327 Contra Costa Mt. Diablo Comment
  UC1561102  Ptelea crenulata Dean Wm. Taylor with Rexford E. Palmer 1987-4-22 8926 Contra Costa Brushy Creek drainage; South Coast Ranges, Brushy Creek, Byron Hot Springs Quad. (1 310 Comment
  UC17375  Ptelea crenulata F. T. Bioletti 1894-5-13 Contra Costa Mt. Diablo Comment
  UCD117073  Ptelea crenulata R. W. Lundh 1932-8-17 134 Contra Costa Marsh Creek. 381 Comment
  JEPS112010  Pterostegia drymarioides Dean G. Kelch and Andrew G. Murdock 2003-4-3 DGK 03 .360 Contra Costa Cummings Skyway. Comment
  JEPS112012  Pterostegia drymarioides Dean G. Kelch and Andrew G. Murdock 2004-4-25 DGK 04 .108 Contra Costa Martinez - West: Ozol Rock and Scenic Drive. West Martinez on Scenic Dr. at Road Gate. Comment
  UC1198069  Pterostegia drymarioides Joseph P. Tracy 1934-4-30 13191 Contra Costa near Lafayette 152 Comment
  CDA33808  Pterostegia drymarioides D. G. Kelch 2010-5-15 10 .117 Contra Costa Mt. Diablo. Trail from Juniper Camp to Deer Flat. 0 Comment
  UC2028967  Puccinellia nuttalliana Barbara Ertter with Brad Olson et al. 2000-6-2 17301 Contra Costa Brushy Peak Regional Preserve NE of Livermore, at south base of Brushy Peak. Comment
  UC691327  Quercus X chasei Mary L. Bowerman 1935-10-26 3349 Contra Costa 0.1 mi (by road) above Silver Springs (50 ft from road); Mount Diablo 859 Comment
  UC2028193  Quercus X chasei Barbara Ertter 1997-11-1 15879 Contra Costa South side Mount Diablo, near Balancing Rock on Knobcone Point Road. Comment
  UC2042776  Quercus X morehus Barbara Ertter with Lynne Hosley 1992-8-29 11264 a Contra Costa Morgan Territory Regional Preserve east of Mount Diablo. Comment
  CDA35928  Quercus X morehus T. Young 2002-9-2 s.n. Contra Costa San Francisco Bay Area; Northern Orinda. 0 Comment
  POM301006  Quercus X morehus Mary L. Bowerman 1935-10-26 3349 Contra Costa 0.1 mile by road above Silver Spring, 50 feet from road. 860 Comment
  CAS-BOT-BC45656  Quercus agrifolia John Thomas Howell 1950-7-5 26638 Contra Costa Nortonville Comment
  CAS-BOT-BC45657  Quercus agrifolia John Thomas Howell 1926-12-27 2274 Contra Costa Near Oakley Comment
  CAS-BOT-BC45659  Quercus agrifolia Alice Eastwood 1914-2-24 3733 Contra Costa Antioch Comment
  CDA32855  Quercus agrifolia D. G. Kelch 2010-10-5 10 .416 Contra Costa The Delta; Just east of Antioch bridge. 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
  UCD17437  Quercus agrifolia E. Dean; M. Bowerman, B. Ertter, J. Tucker, J. Kerbavaz 2000-9-13 659 Contra Costa California. Contra Costa County: Mount Diablo State park, along Knobcone Point Road, just east of balancing rock, upslope of road. 548 Comment
  UCD45098  Quercus agrifolia John M. Burns 1959-3-4 s.n. Contra Costa Sand dunes along south side of San Joaquin River, just east of Antioch, Contra Costa County, California. Comment
  UCD45130  Quercus agrifolia P. Akers 2002-5-11 s.n. Contra Costa Mt. Diablo Summit Trail at water tank picnic area. Elev: 2865 ft. 873 Comment
  SEINET14301648 Image available Quercus chrysolepis Robert A. Norris, John L. Inase 1981-1 4152 Contra Costa Near North Gate Rd., Mt Diablo; on dry SW-facing slope 716 Comment
  UC405353  Quercus chrysolepis W. P. Taylor 1912-7-26 Contra Costa w side Mt. Diablo Comment
  UC691275  Quercus chrysolepis Mary L. Bowerman 1930-10-25 496 Contra Costa Sloan Road Mount Diablo Comment
  CAS-BOT-BC86643  Quercus douglasii Alice Eastwood 1923-5-4 11732 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC86646  Quercus douglasii H. E. McMinn 1922-6-2 84 Contra Costa North slope of Mt. Diablo Comment
  CAS-BOT-BC86649  Quercus douglasii Joseph Andorfer Ewan 1933-10-15 8028 Contra Costa Mt. Diablo 1066 Comment
  RSA476582  Quercus douglasii Bonnie C. Templeton 1962-6-20 s.n. Contra Costa Mount Diablo Comment
  CAS-BOT-BC86121  Quercus dumosa Mary L. Bowerman 1935-11-30 3355 Contra Costa Mount Diablo. Fossil Ridge, roadside Comment
  POM301005  Quercus durata Mary L. Bowerman 1932-10-16 1632 Contra Costa Donner Canyon Trail. Comment
  UC691276  Quercus garryana Mary L. Bowerman 1931-8-29 1035 Contra Costa Fossil Ridge Mount Diablo Comment
  JEPS99999  Quercus kelloggii S. O'Neil 2003-3-11 SEO 11 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC5819  Quercus kelloggii H. P. Chandler 1900-3-24 Contra Costa Orinda Park Mount Diablo Region Comment
  CAS-BOT-BC61605  Quercus lobata Mary L. Bowerman 1930-6-3 224 Contra Costa Mount Diablo. West road, 1.9 miles from entrance 167 Comment
  UC691279  Quercus lobata Mary L. Bowerman 1930-6-22 372 Contra Costa Deer Flat Mount Diablo Comment
  UC1543217  Quercus lobata Donald G. Nelson 1939-12-3 643 Contra Costa along hwy. near where Marsh Creek Hwy. comes into more open hill country Comment
  CDA29568  Quercus parvula var. shrevei D. G. Kelch, Suzanne Latham, Matt Beyers 2009-6-3 9 .332 Contra Costa East Bay.; El Sobrante Ridge at end of Silver Belt Dr. on Miocene chert outcrop. Comment
  UC2070466  Quercus parvula var. shrevei Barbara Ertter 2000-9-2 17523 Contra Costa Sobrante Ridge Preserve in hills southeast of El Sobrante, Manzanita Trail near Heavenly Ridge Trail junction. Comment
  POM301008  Quercus wislizeni Mary L. Bowerman 1934-3-18 2480 Contra Costa Russelmann Park; end of road Comment
Read comments
Aug 11 2011
  UC1135854  Quercus wislizeni R. C. Wilson 1935-3-28 154 Contra Costa Top of Mt. Diablo Mt. Diablo Quad. 1158 Comment
  CAS-BOT-BC104714  Quercus wislizeni Peter Rubtzoff 1951-10-7 815 Contra Costa 1 to 2 mi SW of Moraga, near the road Comment
  POM180792  Quercus wislizeni J. T. Howell 1930-6-15 5310 Contra Costa Summit of Grizzley Peak, Berkeley Hills Comment
  UC691453  Rafinesquia californica Mary L. Bowerman 1933-4-26 1910 Contra Costa n peak ridge e-se of peak Mount Diablo; n peak ridge e-se of peak of Mount Diablo 609 Comment
  UC691951  Ranunculus aquatilis Mary L. Bowerman 1935-6-21 3155 Contra Costa s Turtle Rock (winter pool e of main pond); Mount Diablo Comment
  UC691953  Ranunculus aquatilis Mary L. Bowerman 1931-4-4 662 Contra Costa pool w Turtle Rock; Mount Diablo Comment
  RSA0027644  Ranunculus aquatilis var. capillaceus Barbara J. Ertter 1998-5-3 16057 Contra Costa Turtle Rock ponds along Barbeque Terrace road in upper Pine Canyon, southwest flank of Mount Diablo. 274 Comment
  RSA0029781  Ranunculus aquatilis var. subrigidus Barbara J. Ertter, Alan Prather 2003-6-7 18190 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo, pond NE of main trailhead. Comment
  CDA24309  Ranunculus californicus D. G. Kelch, A. G. Murdock 2005-4-15 5 .138 Contra Costa Rodeo Creek. Comment
  POM268432  Ranunculus californicus Lyman Benson 1935-3-16 6271 Contra Costa Mt. Diablo, Watershed: Walnut Creek; Mountain Range: Mt. Diablo. 915 Comment
  UC70183  Ranunculus californicus J. Burtt Davy May 1898 Contra Costa Danville Region of Mount Diablo Comment
  POM194560  Ranunculus californicus Eugene Memmler 1929-4-21 2377 Contra Costa Moraga Valley Comment
  POM268439  Ranunculus californicus Mary L. Bowerman 1935-5-22 3048 Contra Costa Eagle Point ridge, canyon at N end which heads into saddle W of Twin Peaks. 427 Comment
  CAS-BOT-BC378938  Ranunculus californicus var. californicus Ynes Mexia 1929-4-21 2377 Contra Costa Moraga Valley Comment
  UCR263546  Ranunculus canus Barbara Ertter, R. K. Brummitt 1998-5-6 16090 Contra Costa San Francisco Bay Region, lower Donner Canyon on north base of Mount Diablo, Hetherington Trail upstream from Donner Cabin 274 Comment
  UC480976  Ranunculus canus var. canus Katharine Brandegee 1907-5-4 Contra Costa near Antioch; Judsonville Comment
  POM268694  Ranunculus canus var. laetus Jos. Burtt Davy 1895-4-7 925 Contra Costa Antioch Comment
  UC692123  Ranunculus hebecarpus Mary L. Bowerman 1931-3-29 613 Contra Costa Riggs Canyon Mount Diablo Comment
  SEINET12765193  Ranunculus lobbii Barbara Ertter, David Gowen 2006-3-1 18665 Contra Costa Upper San Leandro Reservoir Watershed (EBMUD) south of Moraga, along SE end of Rocky Ridge Road as it drops to King Cyn Rd.; 0 180 Comment
  SD48397  Ranunculus occidentalis G. R. Campbell 1956-4-6 17 Contra Costa Between Round Top and summit of Mt. Diablo 305 Comment
  SEINET11268259  Ranunculus occidentalis Barbara Ertter, Dan Norris 2001-4-15 17607 Contra Costa Alamo Trail.; 0 213 Comment
  UC9383  Ranunculus orthorhynchus var. bloomeri J. Burtt Davy 1897-4-17 Contra Costa Point Isabel Comment
  UC2029073  Ranunculus sceleratus Barbara Ertter 2000-7-16 17411 Contra Costa Turtle Rock Ponds on east side of Pine Creek, west side of Mount Diablo. Comment
  UC2028045  Raphanus raphanistrum Barbara Ertter 1998-3-1 15923 Contra Costa Diablo Foothills Regional Park, just south end of Shell Ridge Loop Trail southeast of Old Borges Ranch. Comment
  CAS-BOT-BC74268  Raphanus sativus Walter Knight; W. Roderick; S. Edwards; B. Doyle 1978-9-19 3251 Contra Costa Browns Island. South Landing. Comment
  SEINET11268201  Raphanus sativus Barbara Ertter 1998-6-12 16160 Contra Costa North Gate Road on west flank of Mount Diablo, dogleg in road above raches opposite Angel Kerley trail head.; 0 579 Comment
  CDA4905  Rhamnus alaternus Barbara Ertter, D. Gowen 2006-4-14 18667 Contra Costa Lime Ridge Open Space at northwest base of Mt. Diablo; north side of Ygnacio Valley Road near culvert for major draw at bend in road. 0 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
  UC692596  Rhamnus californica Mary L. Bowerman 1932-11-26 1677 Contra Costa Pepperwood Springs (by w road not far from junction of roads) Mount Diablo Comment
  UC692615  Rhamnus californica Mary L. Bowerman 1930-8-31 451 a Contra Costa e of Sloan place (Sloan Road); Mount Diablo, Inner Black Hills Comment
  JEPS41994  Rhamnus californica subsp. californica W. L. Jepson 1899-10-7 13975 Contra Costa near Bald Peak (s Contra Costa County); Berkeley Comment
  HSC101957  Rhamnus ilicifolia Nikolaus Gillen, Michelle Bihler 2014-3-20 9 Contra Costa Mount Diablo State Park. Back Creek Trail. 340 Comment
  UC1121873  Rhamnus ilicifolia R. W. Lundh 1932-8-15 127 Contra Costa 1 mi w Round Valley; Mt. Diablo Quad. 228 Comment
  UC1177069  Rhamnus tomentella subsp. tomentella Peter H. Raven 1950-7-5 2486 Contra Costa near Juniper Camp; Mt. Diablo Comment
  UC692599  Rhamnus tomentella subsp. tomentella Mary L. Bowerman 1933-5-21 2152 Contra Costa s of Curry Canyon (Grapevine Spring gulley, slightly above the spring); Mount Diablo Comment
  UC466053  Ribes Tracy J. Storer 1912-7-13 Contra Costa Mt. Diablo 914 Comment
  UC75430  Ribes Milo S. Baker 1904-6-24 Contra Costa near summit Mt. Diablo Comment
  POM181150  Ribes californicum J. T. Howell 1931-2-21 5730 Contra Costa Mt. Diablo. Comment
  CAS-BOT-BC92921  Ribes californicum var. californicum John Thomas Howell 1926-3-7 1669 Contra Costa Mount Diablo. Comment
  CAS-BOT-BC92920  Ribes californicum var. californicum John Thomas Howell 1931-2-21 5730 Contra Costa North side of Mount Diablo. Comment
  CAS-BOT-BC168919  Ribes malvaceum E. M. Zeile 1921-11-19 s.n. Contra Costa Mt. Diablo Comment
  JEPS111987  Ribes menziesii D. G. Kelch 2005-3-25 05 .80 Contra Costa Fernandez Ranch Fernandez Ranch. West of Christie Road. South of I-4 (behind golf course) and North of Pinole Peak. 150 Comment
  CAS-BOT-BC206017  Ribes menziesii John Thomas Howell 1980-4-10 53367 Contra Costa Morgan Territory east of Mt. Diablo Comment
  UC2070465  Ribes quercetorum Barbara Ertter 2003-3-28 18112 Contra Costa Round Valley Regional Preserve, Miwok Trail at east end of Round Valley Creek. Comment
  UC1177378  Ribes sanguineum var. glutinosum Peter H. Raven 1950-3-5 1397 Contra Costa upper trail Redwood Canyon 243 Comment
Read comments
Aug 9 2011
  OBI14063  Ribes sanguineum var. glutinosum Neil Havlik 1968-3-21 87 Contra Costa In cultivation on an E exposure, Botanical Garde, Charles Lee tilden regional park, E of Berkeley Comment
  CDA7895  Ricinus communis D. G. Kelch, A. G. Murdock 2004-7-9 4 .316 Contra Costa Carquinez Strait Region; Rodeo Shoreline. Comment
  SD62209  Romneya trichocalyx Helen Beard 1965-1-20 Contra Costa From L.L. Edmunds Native Plant Nursery, Danville, Contra Costa County, California. Original place of collection not known. University of California Botanical Garden 50.1640. Comment
  UC1727989  Romulea rosea var. australis Gregg Weber 1998-5-6 Contra Costa San Pablo Ridge trail 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
  JEPS116841  Rosa David Gowen 2007-5-3 695 Contra Costa South of Crockett. Comment
  CAS-BOT-BC147407  Rosa californica Peter H. Raven 1957-7-5 11053 Contra Costa Point Isabel Comment
  CAS-BOT-BC147412  Rosa californica C. Keefer 1922-9-25 s.n. Contra Costa [Morago] Moraga Ridge Comment
  JEPS78742  Rosa californica Edward Lee 1936-5-24 2155 Contra Costa about 1 mi se Curry Canyon; Morgan Territory, Marsh Creek Comment
  UC555648  Rosa californica Herbert L. Mason 1924-11-23 1167 Contra Costa Cashion Canyon Las Trampas Ridge Comment
  UC555497  Rosa gymnocarpa Herbert L. Mason 1924-11-23 1172 Contra Costa Cashion Creek Las Trampas Ridge Comment
  UC691149  Rosa gymnocarpa Mary L. Bowerman 1931-5-23 895 Contra Costa Alamo Canyon Mount Diablo (n-facing bank in canyon bottom) 487 Comment
  UC2027979  Rubus discolor Barbara Ertter, Mary Bowerman 1996-11-1 15393 Contra Costa North base of Mount Diablo, downstream from Mitchell Canyon parking lot. Comment
  LA208234  Rubus parviflorus Joseph Andorfer Ewan; 1936-5-3 9499 Contra Costa Wildcat Creek near Arinda road bridge Comment
  JEPS75477  Rubus ursinus P. F. Yorks 1975-4-10 382 -2 Contra Costa on Hampton Road in Hampton Road Natural Reserve ca 1.7 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Reserve, n of Briones Reservoir 170 Comment
  UC1584691  Rumex acetosella Jerry Powell 1987-7-14 1508 Contra Costa Point Molate Beach Comment
  JEPS99969  Rumex crispus A. Langston 2003-6-23 AL 55 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC692070  Rumex crispus Mary L. Bowerman 1930-10-4 478 Contra Costa Maple Spring Mount Diablo Comment
  UC2062666  Rumex maritimus Barbara Ertter with David Gowen 2006-10-1 18781 Contra Costa West side San Pablo Reservoir east of San Pablo Dam Road between Richmond and Orinda, south of marina. Comment
  JEPS112017  Rumex pulcher Dean G. Kelch and Andrew G. Murdock 2004-5-28 AGM 267 Contra Costa Refugio Valley. Comment
  JEPS41050  Rumex pulcher Rimo Bacigalupi, and L. R. Heckard 1965-5-11 9075 Contra Costa sw of Richmond (w side of Brooks Island); San Francisco Bay, Brooks Island 6 Comment
  UCD101441  Rumex pulcher Rimo Bacigalupi; L. R. Heckard 1965-5-11 9075 Contra Costa On West side of Brooks Island (in San Francisco Bay south-west of Richmond). 6 Comment
  CDA42433  Rupertia physodes D. G. Kelch 2012-5-27 12 .073 Contra Costa Carquinez Strait Region; Pinole Valley Park. Comment
  OBI12751  Rupertia physodes G. Thomas Robbins 1958-7-6 3890 Contra Costa Along Pinehurst Rd, on slopes above Upper San Leandro Reservoir, about 1/4 mi N of Alameda Co line 229 Comment
  UC55203  Ruppia cirrhosa Geo. Hansen Sep 1899 Contra Costa Byron Springs Comment
  CAS-BOT-BC454141  Ruppia maritima J. W. Congdon 1889-6-20 10 Contra Costa Byron Springs Comment
  UC1795720  Sagina apetala Barbara Ertter, Chris Thayer 1995-4-25 13991 Contra Costa Southeast side of Mt. Diablo northeast of Danville; Devil's Slide area of Sycamore Canyon, roadside thru chaparral zone. 304 Comment
  RSA721285  Sagina apetala Barbara Ertter, Chris Thayer 1995-4-25 113991 Contra Costa Southeast side of Mt. Diablo NE of Danville; Devil s Slide area of Sycamore Canyon. 305 Comment
  UCR265185  Salicornia pacifica Barbara Ertter, Elizabeth Neese 1988-10-15 7974 Contra Costa Central Coast, El Cerrito, west of Hwy I-580, west side along Rydin Road north of Central Avenue 4 Comment
  JEPS111806  Salicornia virginica D. G. Kelch 2003-8-13 03 .98 Contra Costa Martinez Marsh 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
  UC69368  Salix Wm. W. Mott 1905-1-6 Contra Costa near Berkeley (n.e. corner San Pablo Ave. & McAvoy Lane) Comment
  UC69370  Salix Wm. W. Mott 1905-3-1 Contra Costa n.e. corner San Pablo Ave. & McAvoy Lane 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
  POM300631  Salix exigua Mary L. Bowerman 1935-5-30 3081 Contra Costa Mt. Diablo. By Donner Canyon stream. 152 Comment
  UC691921  Salix exigua var. hindsiana Mary L. Bowerman 1935-5-30 3081 Contra Costa by Donner Canyon stream Donner Canyon; Mt. Diablo 152 Comment
  CAS-BOT-BC104087  Salix hindsiana Mary L. Bowerman 1935-5-30 3081 Contra Costa By Donner Canyon stream 152 Comment
  JEPS111537  Salix laevigata D. G. Kelch 2005-5-6 05 .221 Contra Costa Franklin Canyon; East of Christie Road. South of Route 4. Comment
  POM167375  Salix laevigata W. C. Blasdale 1896-2-29 s.n. Contra Costa Clayton. Comment
  POM300614  Salix laevigata Mary L. Bowerman 1933-4-15 1854 Contra Costa Canyon S of Arroyo del Cerro Comment
  UC691923  Salix laevigata Mary L. Bowerman 1933-5-21 2162 a Contra Costa stream bed immediately below thimbleberry patch in Sulphur Spring fork; Mt. Diablo, Sulphur Spring Canyon Comment
  CDA39557  Salix lasiolepis D. G. Kelch 2005-3-11 5 .038 Contra Costa Carquinez Strait Region; Martinez - Franklin Hills. Carquinez Shoreline EBRP. West of Martinez High School. Comment
  POM300611  Salix lasiolepis Mary L. Bowerman 1931-2-8 513 Contra Costa Mt. Diablo. By road. 762 Comment
  UC692064  Salix lasiolepis Mary L. Bowerman 1932-8-27 1519 Contra Costa spring s Turtle Rock; Mount Diablo Comment
  CAS-BOT-BC129597  Salix lasiolepis var. lasiolepis Mary L. Bowerman 1933-4-9 1830 Contra Costa Donner Canyon, west fork: stream-bed, below Twin Peaks - Mount Diablo Comment
  CAS-BOT-BC129555  Salix lasiolepis var. lasiolepis Mary L. Bowerman 1932-8-27 1519 Contra Costa Spring south of Turtle Rock (by a large group of willows) - Mount Diablo Comment
  CAS-BOT-BC129556  Salix lasiolepis var. lasiolepis Mary L. Bowerman 1932-2-13 1087 Contra Costa By Alamo Creek (West Branch) - Mount Diablo 289 Comment
  JEPS59865  Salsola tragus W. L. Jepson 1923-10-4 10212 a Contra Costa orchards near Antioch Comment
  JEPS79010  Salsola tragus Edward Lee with Annetta Carter 1935-8-17 1619 Contra Costa just e. Antioch Comment
  UC1124728  Salvia columbariae C. M. Belshaw 1936-5-8 2054 Contra Costa se slope Mt. Diablo; Mt. Diablo Quad. 990 Comment
  CDA33845  Salvia columbariae D. G. Kelch 2010-5-15 10 .123 Contra Costa Mt. Diablo. Trail from Juniper Camp to Deer Flat. 0 Comment
  SEINET3224512 Image available Salvia mellifera Lewis S. Rose 1941-3-22 41057 Contra Costa Mt. Diablo. 610 Comment
  UC25728  Salvia mellifera W. L. Jepson May 23 1891-May 24 1891 Contra Costa Mount Diablo; Region of Mount Diablo Comment
  UC75018  Salvia mellifera unknown 1903-4-28 2945 Contra Costa Mitchell Canyon; Mt. Diablo Comment
  UCD125593  Salvia mellifera P. B. Kennedy 1925-4-26 s.n. Contra Costa Mt. Diablo. Road to Sycamore Canon. Comment
  UCSB5807  Salvia mellifera Kamb, Peter; Chisaki, Francia 1950-3-18 Contra Costa Black Hills; S. of Mt. Diablo; on south road to Mt. Diablo; from Danville 365 Comment
  UC2012962  Sambucus mexicana Barbara Ertter with Travis Columbus 1990-6-10 9112 Contra Costa NE corner of Briones Regional Park, Briones Hills W of Pleasant Hill; edge of stream near crossing on Spengler Trail NE of Briones Peak. Comment
  UC1949232  Sanicula bipinnata Barbara Ertter with Michelle Seidl 1992-3-14 10913 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo; along Blue Oak Trail Comment
  JEPS111596  Sanicula bipinnatifida A. G. Murdock 2004-3-19 236 Contra Costa McEwen Road 150 Comment
  PASA1823  Sanicula bipinnatifida Annetta Carter 1929-3-31 Contra Costa Near Clayton. Hills north of Mt. Diablo Comment
  JEPS77017  Sanicula crassicaulis Robert M. Lloyd 1963-3-17 2143 Contra Costa 0.5 mi e of intersection of Grizzly Peak Road and Skyline Drive ( on Skyline (across from 7090 Skyline), Huckleberry Trail); Huckleberry Trail Comment
  UC1948950  Sanicula crassicaulis William J. Ferlatte, L. Maynard Moe 1970-4-27 1226 Contra Costa San Francisco Bay: Red Rock Island 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
  JEPS2845 Image available Sanicula saxatilis Edw. L. Greene 1892-6-1 Contra Costa Mt. Diablo Comment
  UC666653  Sanicula saxatilis John Thomas Howell 1942-5-24 16969 Contra Costa Mount Diablo, Eagle Peak Mount Diablo; , Eagle Peak Comment
  SEINET238193 Image available Sasa borealis Beecher Crampton 1966-10-18 7815 Contra Costa CULTIVATED ; Kensington Berkeley Hills Blake Garden UC Berkeley Dept. of landscape architecture. Comment
  UCD33150  Sasa borealis Beecher Crampton 1966-10-18 7815 Contra Costa Contra Costa County, Kensington, Berkeley Hills Blake Garden, UC Berkeley Dept. of landscape architecture. Comment
  UCSC000344  Saxifraga californica H. S. Yates 1936-3-14 5357 Contra Costa Mt. Diablo, Marsh Creek 381 Comment
  JEPS111609  Scandix pecten-veneris D. G. Kelch 2003-4-3 03 .349 Contra Costa Cummings Skyway South of Cummings Skyway and Crockett Blvd 134 Comment
  UC1795652  Scandix pecten-veneris Barbara Ertter, Mary Bowerman, Lisa Schultheis 1995-3-31 13947 Contra Costa Mount Diablo State Park, grassy field along road at base of Mitchell Canyon. Comment
  JEPS125931  Schinus molle D. W. Taylor 2001-3-1 17609 Contra Costa 1 mile W of Pittsburg, along the abandoned tracks of the Sacramento Northern Railroad, ca 500 m W of the Pittsburg Power Plant. Comment
  UC2027847  Schinus molle Barbara Ertter, Mary Bowerman 1996-11-1 15401 Contra Costa North base of Mount Diablo, near Donner Canyon trailhead at end of Regency Drive. Comment
  JEPS78622  Schoenoplectus acutus var. occidentalis Walter Knight, L. R. Heckard and Bert Johnson 1978-9-28 3285 Contra Costa Botany Cove Browns Island, Botany Cove Comment
  UC1618278  Schoenoplectus acutus var. occidentalis Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, and Amy Hiss 1991-8-18 10708 Contra Costa opposite Pittsburg Marina (near w end of island, n of Pittsburg, near confluence of Sacramento and San Joaquin rivers); Browns Island Comment
  UC2028426  Schoenoplectus americanus Barbara Ertter 1996-9-19 15294 Contra Costa Antioch Marina Comment
  CAS-BOT-BC111485  Schoenoplectus americanus Walter Knight 1977-6-10 s.n. Contra Costa Black Diamond Regional Preserve. Sand Creek, near coal mining site of Stewartville 158 Comment
  POM181474  Schoenoplectus californicus I. L. Wiggins 1930-4-18 4592 Contra Costa Jersey Island. Comment
  UC2070498  Schoenoplectus californicus Barbara Ertter 2005-8-15 18630 Contra Costa East side of Contra Loma Reservoir south of Antioch, marsh in SE cove. Comment
  JEPS111885  Scirpus acutus D. G. Kelch 2003-8-13 03 .106 Contra Costa Martinez Marsh 0 Comment
  UC692181  Scirpus acutus var. occidentalis Mary L. Bowerman 1938-9-17 3715 Contra Costa by the rivulet and in the marsh Big Spring Mount Diablo, Big Spring 731 Comment
  CDA15249  Scirpus maritimus G. F. Hrusa, D. Crowe 1998-5-8 14380 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River. Comment
  CDA39150  Scirpus maritimus D. G. Kelch 2003-8-13 3 .104 Contra Costa Carquinez Strait Region; Martinez Marsh. Comment
  JEPS111883  Scirpus maritimus A. G. Murdock 2004-6-4 326 Contra Costa Pacheco Marsh near Waterfront Road 1 Comment
  JEPS116695  Scribneria bolanderi David Gowen 2006-5-19 580 Contra Costa Mount Diablo; Knobcone Point Rd. east of powerline, near unnamed dirt road west of Cave Point. Comment
  UC691605  Scrophularia californica Mary L. Bowerman 1930-6-18 344 Contra Costa Dan Cook Canyon Mt Diablo Comment
  UC691648  Scrophularia californica subsp. floribunda Mary L. Bowerman 1931-4-25 782 Contra Costa summit Mt Diablo Comment
  JEPS62859  Scutellaria tuberosa W. L. Jepson 1921-5-22 9217 Contra Costa Mount Diablo Comment
  UC1713655  Scutellaria tuberosa Joseph Andorfer Ewan 1934-4-8 8767 Contra Costa head of Arroyo Cayetano; Mount Diablo, Arroyo Cayetano 609 Comment
  UC1713665  Scutellaria tuberosa C. Epling, D. Stebbins 1940-5-4 Contra Costa Moraga Ridge Comment
  UC1713668  Scutellaria tuberosa unknown 1027 Contra Costa Walnut Creek Comment
  UC691405  Scutellaria tuberosa Mary L. Bowerman 1931-3-29 626 Contra Costa Mount Diablo, Cave Point Cave Point; Mount Diablo, Cave Point Comment
  CAS-BOT-BC240055  Secale cereale Alice Eastwood 1921-4-18 10313 Contra Costa Antioch Comment
  JEPS99566  Sedum radiatum Mary Bowerman 1975-6-1 Contra Costa Mount Diablo, (probably along Falls Trail). Comment
  CAS-BOT-BC363288  Senecio aronicoides L. R. Abrams 1921-5-25 8033 Contra Costa Summit, Mt. Diablo Comment
  CAS-BOT-BC363290  Senecio aronicoides Alice Eastwood 1922-5-14 11319 Contra Costa Mt. Diablo 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
  UC651289  Senecio vulgaris Ira L. Wiggins 1930-4-18 4597 Contra Costa n end Jersey Island Comment
  CAS-BOT-BC80264  Sequoia sempervirens John Thomas Howell 1927-2-6 2279 Contra Costa San Leandro [Canon] Canyon at Pinehurst 152 Comment
  CAS-BOT-BC80265  Sequoia sempervirens John Thomas Howell 1925-10-11 1500 Contra Costa Moraga Ridge, Oakland Hills Comment
  UC1050201  Sequoia sempervirens N. Floy Bracelin 1942-12-13 1712 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC13713  Sequoia sempervirens unknown 1888-2-22 Contra Costa Moraga Valley Comment
  SEINET3876310 Image available Sequoia sempervirens Michael R. Tansey 1963-2-21 12 Contra Costa North end of Jewel Lake, Tilden Regional Park.; 0 152 Comment
  UC2012980  Setaria viridis Barbara Ertter with Mary Bowerman, Lisa Schultheis 1996-7-5 14921 Contra Costa Northwest base of Mt. Diablo, access to Foothills Regional Park from North Gate Road along Little Pine Creek. Comment
  JEPS100011  Sinapis arvensis G. Smick 2003-4-8 GAS 131 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  CAS-BOT-BC74936  Sinapis arvensis Mary L. Bowerman 1938-5-25 3634 Contra Costa Mount Diablo. North Road 2 miles from North Gate. 182 Comment
  CAS-BOT-BC74939  Sinapis arvensis Walter Knight 1978-5-1 s.n. Contra Costa Contra Loma Regional Park, 6 miles south of San Joaquin River. 68 Comment
  RSA128364  Sinapis arvensis P. H. Raven 1950-3-5 1405 Contra Costa 0.75 mile from place where it meets Orinda - Richmond Road, Bear Creek Road. 107 Comment
  SEINET12764843  Sinapis arvensis Barbara Ertter 1998-4-4 15959 Contra Costa Northwest of Mount Diablo, west base of northwestern-most ridge, around old orchard.; 0 Comment
  SFV1416  Sinapis arvensis L. B. Hendrix 1962-4-22 21 Contra Costa Walnut Creek, Sun Valley Drive. Comment
  CDA21559  Sisyrinchium bellum D. G. Kelch, D. A. Weinstein 2008-4-25 8 .075 Contra Costa Alvarado Park (west end of Wildcat Canyon Park) on north-facing hillside above Hindu temple in mixed scrub/grassland. Comment
Read comments
Jan 7 2016
  JEPS64283  Sisyrinchium bellum W. L. Jepson 1922-5-23 9670 Contra Costa n slope Mount Diablo Comment
  CDA37907  Solanum americanum D. G. Kelch, Mike Perlmutter 2011-9-23 11 .762 Contra Costa Antioch. Dow Wetlands. Comment
  CDA5987  Solanum rostratum J. Moon 1959-7-3 Contra Costa Macdonald Avenue and railroad yard, Richmond. 0 Comment
  CAS-BOT-BC157455  Solanum umbelliferum J. T. Howell 1933-5-14 11291 Contra Costa Hills east of St. Mary's College Comment
  CAS-BOT-BC157456  Solanum umbelliferum D. D. Keck 1933-11-2 2619 Contra Costa 1 mi. S.E. of Oakley Comment
  CAS-BOT-BC83606  Solanum umbelliferum J. McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  JEPS75486  Solanum umbelliferum P. F. Yorks 1974-3-22 118 Contra Costa 1.8 km s of Bear Creek Road on Hampton Road (in Hampton Road Natural Reserve, n of Briones Reservoir); Hampton Road Natural Reserve 180 Comment
  RSA181413  Solanum umbelliferum James I. McMurphy 1910-4-9 s.n. Contra Costa Antioch. Comment
  SEINET5760775  Solanum umbelliferum Lewis S. Rose 1941-3-13 41026 Contra Costa Marsh Creek, 5 miles east of Clayton Comment
  SEINET7262189 Image available Solanum umbelliferum J. T. Howell 1933-5-14 11291 Contra Costa E of St. Mary's College Comment
  UCSB8611  Solanum umbelliferum Kamb, Peter; Chisaki, Francia 1950-3-18 Contra Costa Black Hills, S. of Mt. Diablo, on road from Danville to Mt. Diablo 365 Comment
  CDA8722  Solidago californica A. G. Murdock, D. G. Kelch 2003-9-12 198 Contra Costa Carquinez Strait Region; Crockett - Tormey Headlands. Along trail to Superfund overlook. Comment
  CAS-BOT-BC365801  Soliva sessilis Mary L. Bowerman 1931-4-11 689 Contra Costa Mount Diablo. Pine Canyon 121 Comment
  UC2028125  Soliva sessilis Barbara Ertter with Richard K. Brummitt 1998-5-6 16082 Contra Costa Lower Donner Canyon on north base of Mount Diablo,near Donner Cabin site. Comment
  UC606734  Sonchus oleraceus Edward Lee 1936-4-19 1955 Contra Costa ne shore Red Rock (San Francisco Bay); , ne shore Red Rock Comment
  UCD93010  Spartina patens Rolf Mall 1964-11-19 s.n. Contra Costa at head of Suisun Bay between Benecia and Vallejo. Comment
  UC1780870  Spartium junceum R. Schmid 2003-5-11 2003 -13 Contra Costa Wildcat Creek Trail, N side and NW end of (E of Belgium Trail) Wildcat Canyon Regional Park (NW of broad part of old paved road) 76 Comment
  RSA760660  Spergula arvensis William J. Ferlatte, L. Maynard Moe 1970-4-27 1256 Contra Costa San Francisco Bay, Red Rock Island. Comment
  CAS-BOT-BC390055  Spergularia Alice Eastwood 1923-4-28 11664 Contra Costa Byron Springs Comment
  SD131825  Spergularia macrotheca var. longistyla Barbara Ertter, Jim Jokerst and Dave Magney 1989-4-5 8113 Contra Costa Alkali sink west and adjacent to Clifton Court Forebay. Comment
  RSA0098749  Spergularia macrotheca var. macrotheca Barbara Ertter 1990-10-14 9661 Contra Costa Point Isabel Regional Shoreline on San Francisco Bay in SW El Cerrito. Comment
  RSA0029285  Spergularia marina Barbara Ertter, John Ginochino, Mary Bowerman 2001-5-8 17630 Contra Costa Northwest flank of Mount Diablo, tributary of Galindo Creek on south side of knoll SW of Mount Zion. Comment
  UC2027786  Spergularia marina Barbara Ertter with John Ginochio and Mary Bowerman 2001-5-8 17630 Contra Costa Northwest flank of Mount Diablo, tributary of Galindo Creek on south side of knoll SW of Mount Zion. Comment
  JEPS100086  Spergularia rubra A. Langston 2003-9-16 AL 87 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC1618137  Spergularia rubra Barbara Ertter with Chris Thayer and Dianne Lake 1996-5-16 14681 Contra Costa w of Richmond (Point Molate Naval Fuel Depot overlooking San Francisco Bay, around Tank 14); San Francisco Bay, Point Molate Naval Fuel Depot Comment
  POM89186  Spergularia salina var. tenuis Katherine Brandegee 1916-5-8 s.n. Contra Costa Byron Springs. Comment
  JEPS75488  Stachys ajugoides var. rigida P. F. Yorks 1975-5-31 426 Contra Costa ca. 1.5 km s Bear Creek Road (on Hampton Road, n of Briones Reservoir); Hampton Road Natural Preserve 160 Comment
  UC1555268  Stachys ajugoides var. rigida R. C. Stebbins 1988-5-25 Contra Costa Memory and Packrat trails Tilden Park, Tildne Nature Area Comment
  UC884274  Stachys ajugoides var. rigida Lewis S. Rose 1935-5-16 35172 Contra Costa Mt. Diablo Comment
  UC25957  Stachys albens Mrs. Brandegee 1882-7-8 Contra Costa Antioch Comment
  UCD125808  Stachys albens Malcolm A. Nobs; S. Galen Smith 1949-7-8 943 Contra Costa Otto's Black Bass Resort, 4 miles N of Kingston. Comment
  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
  UC1795669  Stachys pycnantha Barbara Ertter, Kristin Ertter 1995-7-11 14484 Contra Costa West side of Mt Diablo SW of Walnut Creek. 182 Comment
  RSA0068488  Stachys rigida var. quercetorum Katie Gallagher, Nick Jensen 2014-4-26 186 Contra Costa Las Trampas Regional Wilderness. 396 Comment
  CHSC21609  Stellaria media Willis Ball 1975-2-23 443 Contra Costa Contra Loma Regional Park. In area #1. Ca. 150 yds w of main parking lot. 30 Comment
  JEPS68979  Stellaria nitens Edward Lee 1935-3-29 1313 Contra Costa Nortonville Kirker Creek (s watershed of Kirker Creek) Comment
  UC2028153  Stellaria pallida Barbara Ertter 1998-4-4 15958 Contra Costa Shell Ridge Open Space northwest of Mount Diablo. Comment
  RSA0027412  Stenotaphrum secundatum Barbara Ertter, Richard K. Rabeler, Tony Morosco 1997-6-10 15669 Contra Costa Martinez Regional Shoreline, south edge of Carquinez Strait. On path to bridge. Comment
  JEPS79320  Stephanomeria exigua subsp. coronaria Edward Lee with Annetta Carter 1935-8-17 1627 Contra Costa Antioch Comment
  JEPS75541  Stephanomeria virgata subsp. pleurocarpa P. F. Yorks 1974-8-10 365 Contra Costa ca 1.7 km s Bear Creek Road (n of Briones Reservoir, on Hampton Road in Hampton Road Natural Reserve); Hampton Road Natural Reserve 180 Comment
  UC2070660  Stipa lepida Barbara Ertter 2002-5-11 17847 c Contra Costa Southwest base of Mount Diablo, lower end of Summit Trail in Dan Cook Canyon ca. half mile from South Gate Road. Comment
  UC2028403  Stipa pulchra Barbara Ertter with Christopher Baysdorfer 1998-5-10 16121 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, quarry area on west side Comment
  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
  UC691145  Streptanthus albidus subsp. peramoenus Mary L. Bowerman 1935-6-8 3123 Contra Costa North Road 2 mi from North Gate (w of chaparral); Mount Diablo Comment
  CAS-BOT-BC87099  Streptanthus glandulosus subsp. glandulosus W. W. Carruth 1903-5-10 s.n. Contra Costa Mount Diablo. Comment
  UC10888  Streptanthus hispidus H. N. Bolander 1866-1 6267 Contra Costa Monte Diablo Comment
  UC402744  Streptanthus hispidus E. W. Hicks 1917-3-25 114 Contra Costa s-facing slope of w shoulder Mt. Diablo 762 Comment
  UC592151  Streptanthus hispidus H. L. Mason 1929-3-29 5120 Contra Costa Mount Diablo 762 Comment
  CAS-BOT-BC422910  Stylomecon heterophylla John Thomas Howell 1933-5-14 11269 Contra Costa Hills east of St. Mary's College Comment
  RSA135424  Stylomecon heterophylla Volney Rattan 1883-04 s.n. Contra Costa Martinez. Comment
  UC692106  Stylomecon heterophylla Mary L. Bowerman 1932-5-6 1410 Contra Costa w bank Mitchell Canyon Mount Diablo; , w bank Mitchell Canyon 182 Comment
  UC72722  Stylomecon heterophylla Miss Carlotta Case July 1904 Contra Costa Muir Station; beside track Comment
  OBI9066  Styrax redivivus Neil Havlik 1968-5-19 200 Contra Costa In cultivation, Tilden Botanical Garden, Charles Lee Tilden Regional Park, E of Berkeley Comment
  UC691623  Symphoricarpos albus var. laevigatus Mary L. Bowerman 1930-8-24 419 Contra Costa Mitchell Canyon Mount Diablo (a little above end of road) Comment
  UC691750  Symphoricarpos albus var. laevigatus Mary L. Bowerman 1931-5-21 880 Contra Costa Curry-Cave Point trail; Mount Diablo 30 Comment
  UC1076414  Symphoricarpos albus var. laevigatus Herbert L. Mason 1924-11-23 1158 Contra Costa Cashion Comment
  CDA23107  Symphoricarpos mollis D. G. Kelch, D. A. Weinstein 2008-4-25 8 .084 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
  UC691759  Symphoricarpos mollis Mary L. Bowerman 1930-6-18 352 Contra Costa w side, little below summit Meridian Peak; Mount Diablo Comment
  CAS-BOT-BC99144  Symphyotrichum chilense Walter Knight 1965-9-7 1167 Contra Costa Growing in brackish water of San Joaquin River - antioch sand dunes Comment
  UC2028011  Symphyotrichum chilense Barbara Ertter 1998-1-4 15886 Contra Costa South end of Diablo Foothills Regional Park southeast of Walnut Creek, Alamo Trail just outside of park. Comment
  UC2046322  Symphyotrichum lanceolatum var. hesperium Barbara Ertter 2000-10-26 17550 Contra Costa West side Mount Diablo, Little Pine Creek near park boundary, just upstream from Falcon Road creek crossing. Comment
  UC1555363  Symphyotrichum lentum Jerry Powell 1988-9-28 1548 Contra Costa Point Molate West Richmond Comment
  UC1594169  Symphyotrichum lentum Jerry Powell 1991-8-15 1613 Contra Costa Antioch National Wildlife Refuge 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-BC211562  Tamarix parviflora Walter Knight 1979-4-13 3358 Contra Costa Browns Island, old homestead site adjacent to Point Emmett 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
  CDA37996  Taraxia ovata D. G. Kelch, A. G. Murdock 2003-3-28 3 .086 Contra Costa Carquinez Strait Region; Rodeo - Lone Tree Point. Comment
  UC1555368  Taraxia ovata Jerry Powell 1988-2-18 1525 Contra Costa Point Molate west 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
  UC691418  Tauschia hartwegii Mary L. Bowerman 1930-6-14 332 Contra Costa Mount Diablo , Meridian Peak summit on w slope (summit) Comment
  UC35391  Tetrapteron graciliflorum W. C. Blasdale Mar. 1900 Contra Costa San Pablo Comment
  UC1050709  Thalictrum aquilegifolium N. Floy Bracelin 1941-4-13 1143 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  CAS-BOT-BC88248  Thysanocarpus curvipes Alice Eastwood 1915-5-30 4554 Contra Costa Mount Diablo. Comment
  CAS-BOT-BC88260  Thysanocarpus curvipes Lewis S. Rose 1933-4-17 33096 Contra Costa Antioch. Comment
  JEPS54205  Thysanocarpus curvipes W. L. Jepson May 22 1891-May 23 1891 5 h Contra Costa Mt. Diablo Comment
  UC691060  Thysanocarpus curvipes Mary L. Bowerman 1933-4-15 1879 Contra Costa second ridge s of Arroyo del Cerro Mount Diablo (crest of ridge, Mount Diablo); , s of Arroyo del Cerro Comment
  UC691142  Thysanocarpus curvipes Mary L. Bowerman 1933-5-17 2102 Contra Costa branch of Curry Canyon due s of Olafson's barn Mount Diablo (w-facing bank just n of first fork of canyon); , branch of Curry Canyon 289 Comment
  CAS-BOT-BC88261  Thysanocarpus curvipes Paul F. Covel 1936-4-19 210 Contra Costa Las Trampas (Cashion) Canyon. Comment
  UC691140  Thysanocarpus laciniatus Mary L. Bowerman 1931-5-7 805 Contra Costa North Peak ridge Mount Diablo (slightly n of crest, Mount Diablo); , North Peak ridge Comment
  UC11040  Thysanocarpus laciniatus W. H. Brewer 1862-5-14 1097 Contra Costa Mount Diablo, Eagle Peak Comment
  JEPS108219  Thysanocarpus radians David Gowen 2005-4-30 272 Contra Costa Morgan Territory Regional Preserve. Just east and outside the park along Manzanita Trail. Growing on very rocky east facing slope. Comment
  CDA33815  Tonella tenella D. G. Kelch, Abigail Moore, Michael Park, Troy 2010-5-15 10 .112 Contra Costa Mt. Diablo. Trail from Prospector s Gap to Lower Summit parking lot. 0 Comment
  JEPS887  Torilis nodosa W. L. Jepson 1923-4-22 9863 Contra Costa Mt Diablo Comment
  UC692376  Torilis nodosa Mary L. Bowerman 1930-6-3 230 Contra Costa North road 1.9 miles from entrance 167 Comment
  UC692379  Torilis nodosa Mary L. Bowerman 1933-5-21 2149 Contra Costa Grape Spring (off Sulphur Spring Canyon) Comment
  CAS-BOT-BC172934  Toxicodendron diversilobum John Thomas Howell 1933-5-14 11289 Contra Costa Hills east of St. Mary's College Comment
  UC2042773  Trichostema lanceolatum Barbara Ertter with Lynne Hosley 1992-8-29 11263 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo Comment
  UC416593  Trichostema lanceolatum V. King Chestnut 1887-9-18 Contra Costa Mount Diablo Comment
  SEINET13948210 Image available Trichostema lanceolatum Lewis S. Rose 1953-1 53095 Contra Costa Mt. Diablo, W slope; 1600 ft alt. 488 Comment
  CDA938  Trientalis latifolia D. G. Kelch 2006-5-4 6 .126 Contra Costa Carquinez Strait; Vaca Canyon, on North facing road cut/bank along Alhambra Valley Road. Comment
  UC555621  Trifolium albopurpureum H. L. Mason 1929-3-29 5130 Contra Costa 2 mi above Clyton Rd (Marsh Creek Rd) Comment
  UC555481  Trifolium albopurpureum var. albopurpureum H. L. Mason 1928-4-26 4384 Contra Costa Berkeley-Oakland hills Comment
  UC630752  Trifolium albopurpureum var. dichotomum unknown Sep 1907 Contra Costa Antioch Comment
  UCSC008382  Trifolium amplectens Randall Morgan 1996-4-2 2851 Contra Costa North East side of Byron, Highway 17, North of Byron Hot Springs Road Comment
  UC1607691  Trifolium bifidum var. decipiens Barbara Ertter, Lynne Hosley 1993-4-17 11510 Contra Costa ca 10 air mi ne Livermore (hills in lee of Mt. Diablo, along Blue Oak Trail); Morgan Territiry Comment
  UC1618339  Trifolium bifidum var. decipiens Barbara Ertter, Chris Thayer 1993-5-7 11714 Contra Costa 1/2 mi n of Vollmer (=Bald) Peak in East Bay Municipal Utilities District land e of Tilden Park (s of Wildcat Canyon Road); East Bay Municipal Utilities District land Comment
  UC16436  Trifolium bifidum var. decipiens J. Burtt Davy 1900-3-24 6517 Contra Costa Stege Comment
  UC55887  Trifolium bifidum var. decipiens H. L. Mason 1901-4-5 1735 Contra Costa Mt. Diablo 670 Comment
  CDA28898  Trifolium campestre D. G. Kelch, Jessica Kolman 2009-5-29 9 .309 Contra Costa Carquinez Strait; Pinole Valley Park, near ridgetop. Comment
  UC1795879  Trifolium campestre Barbara Ertter, Tom Schweich, Marion Reeves, & other volunteers 1996-5-11 14640 Contra Costa Little Pine Creek at northwest foot of Mt. Diablo, along trail connecting North Gate Road to Castle Rock Road, Diablo Foothills Regional Park; packed ground of trailside. Comment
  CDA28873  Trifolium ciliolatum D. G. Kelch, Jessica Kolman 2009-5-29 9 .312 Contra Costa Carquinez Strait; Pinole Valley Park, near ridgetop. Comment
  UC338058  Trifolium depauperatum var. amplectens Edw. L. Greene 1889-3-23 Contra Costa Byron Comment
  POM313531  Trifolium depauperatum var. amplectens P. B. Kennedy 1929-4-25 10245 Contra Costa Briones Valley, Marsh Creek road. Comment
  UC1795833  Trifolium depauperatum var. amplectens Barbara Ertter, Tony Morosco, Lynne Hosley 1995-5-29 14229 Contra Costa South side Mount Diablo, Sheepherder Springs complex 1/2 mile north of Curry Point, wet ground in grassland. 487 Comment
  UC2028085  Trifolium depauperatum var. depauperatum Barbara Ertter, Tony Morosco 1998-4-12 15982 Contra Costa Base of Mount Olympia on north side of Mount Diablo south side of lower end of Olympia Trail. Comment
  JEPS65731  Trifolium depauperatum var. truncatum W. L. Jepson 1917-4-14 6867 Contra Costa Oakland Hills, near Redwood Peak Comment
Read comments
Dec 17 2008
  UC147173  Trifolium depauperatum var. truncatum Ivar Tidestrom 1895-4-13 Contra Costa near Lafayette Comment
  UC631080  Trifolium depauperatum var. truncatum P. B. Kennedy 1928-4-19 10045 Contra Costa Byron Hot Springs Comment
  UC1795835  Trifolium depauperatum var. truncatum Barbara Ertter, Gary Schoolcraft 1996-4-7 14571 Contra Costa Point San Pablo in west Richmond, crest of road to yacht harbor, coastal grassland along ridge, scraped roadbed to tower. Comment
  UC2028126  Trifolium depauperatum var. truncatum Barbara Ertter with Richard K. Brummitt 1998-5-6 16081 a Contra Costa Base of Mitchell Rock Trail on north base of Mount Diablo. Comment
  CHSC116657  Trifolium dubium Lowell Ahart; Josephine Guardino 2016-4-19 20768 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. Along the sides of the dirt roads, 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 160 Comment
  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
  UC400160  Trifolium fucatum Ynes Mexia 1929-4-21 2371 Contra Costa Moraga Valley Comment
  UC764679  Trifolium fucatum R. F. Hoover 1941-4-12 4837 Contra Costa 1 mi n Lone Tree Valley Comment
  LA205246  Trifolium gracilentum John Thomas Howell; 1933-5-14 11264 Contra Costa E of St. Mary's College Comment
  UC400157  Trifolium gracilentum Ynes Mexia 1929-4-21 2375 Contra Costa Moraga Valley Comment
  UC517488  Trifolium gracilentum John Thomas Howell 1933-5-14 11249 Contra Costa e St. Mary's College (hills) Comment
  UC555448  Trifolium gracilentum H. L. Mason 1929-3-31 5150 Contra Costa along San Joaquin River; Antioch Comment
  UC631032  Trifolium gracilentum Ivar Tidestrom 1895-4-13 Contra Costa near Lafayette Comment
  RSA61570  Trifolium gracilentum J. T. Howell 1933-5-14 11249 Contra Costa Hills east of St. Marys college Comment
  RSA695881  Trifolium gracilentum Barbara Ertter, Chris Thayer 1993-5-7 11712 Contra Costa Ca 1/2 mile N of Vollmer (=Bald) Peak in East Bay Municipal Utilities District land E of Tilden Park. Grazing land on lower slopes S of Wildcat Canyon Road. Comment
  JEPS21830  Trifolium incarnatum A. M. Craig 1958-5-19 Contra Costa e West Contra Costa Junior College (San Pablo) 30 Comment
  UC555606  Trifolium macraei H. L. Mason 1928-4-13 4304 Contra Costa Richmond waterfront Comment
  CDA29061  Trifolium microcephalum D. G. Kelch 2006-5-7 6 .149 Contra Costa Carquinez Strait.; Crockett. Upper Edward s Canyon. Comment
  UC1130084  Trifolium microdon C. M. Belshaw 1936-5-7 2043 Contra Costa 2 mi s San Ramon; Mt. Diablo quadrangle 274 Comment
  UC692640  Trifolium obtusiflorum Mary L. Bowerman 1938-6-14 3678 Contra Costa Maple Spring Mount Diablo Comment
  UC165545  Trifolium oliganthum Chesnut and Drew 1889-4-16 Contra Costa Martinez Comment
  UC692645  Trifolium oliganthum Mary L. Bowerman 1932-3-27 1136 Contra Costa below Mitchell Rock; Mount Diablo Comment
  UC2028086  Trifolium oliganthum Barbara Ertter, Tony Morosco 1998-4-12 15983 Contra Costa Base of Mount Olympia on north side of Mount Diablo, south side of lower end of Olympia Trail. Comment
  UC2028158  Trifolium oliganthum Barbara Ertter 1998-4-4 15953 Contra Costa Shell Ridge Open Space northwest of Mount Diablo. Comment
  UC2028957  Trifolium tomentosum Barbara Ertter 2002-5-8 17832 Contra Costa Richmond Field Station. Comment
  CHSC23357  Trifolium variegatum var. major Willis Ball 1975-3-26 515 Contra Costa Contra Loma Regional Park. In area #3. On n facing slope of large hill in area #3. Ca. 60 yds due nw of dam. Comment
  JEPS4355  Trifolium willdenovii W. L. Jepson 1925-4-26 10691 Contra Costa Mt. Diable Comment
  POM349559  Trifolium willdenovii H. de Forest 1930-4-6 s.n. Contra Costa Near Antioch. Comment
  UC165499  Trifolium willdenovii J. Burtt Davy 1895-4-13 1001 Contra Costa San Pablo Creek Comment
  UC630906  Trifolium willdenovii P. B. Kennedy 1907-5-5 Contra Costa Lake Merritt Oakland Comment
  UC692646  Trifolium willdenovii Mary L. Bowerman 1933-5-11 2083 Contra Costa Inner Black Hills Mount Diablo Comment
  UC692649  Trifolium willdenovii Mary L. Bowerman 1931-5-7 813 Contra Costa near saddle (ne slope, Meridian Peak); Mount Diablo 914 Comment
  RSA32719  Trifolium willdenovii A. A. Heller 1938-4-9 15017 Contra Costa 3 miles southwest of Antioch. Comment
  UCD109865  Trifolium willdenovii Jo Nixon 1951-5-6 19 Contra Costa Green Ranch, Mt. Diablo. 609 Comment
  JEPS37726  Trifolium wormskioldii W. L. Jepson 1922-5-26 9671 Contra Costa North Berkeley Hills Comment
  CDA33819  Trifolium wormskioldii D. G. Kelch, Abigail Moore, Michael Park, Troy 2010-5-15 10 .107 Contra Costa Mt. Diablo. Trail from Prospector s Gap to Lower Summit parking lot. 0 Comment
  CAS-BOT-BC451764  Triglochin maritima Walter Knight; Joanne Dean No date on label 3131 Contra Costa Browns Island. Comment
  UC2028570  Triglochin scilloides Barbara Ertter with Brad Olson, Jim Shevock, et al. 1997-3-19 15518 Contra Costa Vasco Caves Regional Park east of Los Vaqueros Reservoir between Livermore and Brentwood. Comment
  UC1619920  Triglochin striata Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10714 Contra Costa Browns Island n of Pittsburg (near confluence of Sacramento and San Joaquin Rivers opposite Pittsburg Marina, at (Botany Cove)); Browns Island Comment
  UC1134679  Trillium chloropetalum H. S. Yates 1936-3-14 5360 Contra Costa Marsh Creek Mt. Diablo Quad., Marsh Creek Comment
  UCD139903  Trillium chloropetalum Morris Halperin 1929-4-21 s.n. Contra Costa St. Mary's College Campus. Comment
  UC367060  Trillium chloropetalum J. G. Lemmon April, 1878 Contra Costa Mt. Diablo and Oakland Hills 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
  SEINET10534314  Trillium ovatum John G. Lemmon Lemmon s.n. Contra Costa Comment
  SEINET10458812  Triodanis biflora Joseph W. Congdon 1896-5-30 Congdon s.n. Contra Costa Mount Diablo Comment
  CHSC21622  Triphysaria eriantha Willis Ball 1975-3-15 496 Contra Costa Contra Loma Regional Park. In area #10. In flat area 200 yds ne of dam. 36 Comment
  UC103158  Triphysaria eriantha subsp. eriantha C. F. Baker 1903-4-27 2792 Contra Costa Byron Comment
  UC1211917  Triphysaria eriantha subsp. eriantha John H. Weiler 1961-3-7 6127 Contra Costa at the junction of Byron Road and Holey Road Comment
  UC650592  Triphysaria eriantha subsp. eriantha Ira L. Wiggins 1930-4-17 4571 Contra Costa 1/4 mi s Byron Comment
  UC70188  Triphysaria eriantha subsp. eriantha J. Burtt Davy May 1898 Contra Costa Danville; Region of Mount Diablo, Danville Comment
  UC691571  Triphysaria pusilla Mary L. Bowerman 1931-3-29 615 Contra Costa foot of Cave Point Ridge Mount Diablo; , foot of Cave Point Ridge Comment
  CDA41896  Triphysaria versicolor subsp. faucibarbata D. G. Kelch 2005-3-26 5 .097 Contra Costa Carquinez Strait Region; Pinole Peak. Fernandez Ranch, south side - road from Perreria Road to Pinole Peak Ridge. Comment
  CAS-BOT-BC526330  Triteleia laxa Volney Rattan 1879-1-1 s.n. Contra Costa Antioch Comment
  UCSB829  Triteleia laxa Hand, B. 1960-4-10 Contra Costa 1.8 miles from south gate on Mt. Diablo road, Mt. Diablo Comment
  JEPS99563  Triticum aestivum Mary Bowerman 1978-5-21 Contra Costa Mount Diablo, E side Hetherington Loop. Comment
  LA204485  Tropidocarpum capparideum Robert F. Hoover; 1936-3-19 806 Contra Costa Byron Hot Springs Comment
  RSA276848  Tropidocarpum gracile James I. McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  UC673338  Tropidocarpum gracile H. L. Mason 1929-3-31 5148 Contra Costa in pastures Briones Valley Comment
  UC691062  Tropidocarpum gracile Mary L. Bowerman 1932-2-28 1092 Contra Costa ridge e Rhine Canyon; Mount Diablo 579 Comment
  SEINET201988 Image available Typha domingensis Malcolm A. Nobs, S. Galen Smith 1949-1 879 Contra Costa about two miles south of Crocket on road to Martinez Comment
  UC692072  Typha latifolia Mary L. Bowerman 1938-6-14 3677 Contra Costa Mineral Spring Mount Diablo (along streamlet); , Mineral Spring 350 Comment
  CDA24511  Umbellularia californica D. G. Kelch, A. G. Murdock 2003-2-7 03 .037.B Contra Costa Carquinez Strait Region; Franklin Canyon. Comment
  CHSC22748  Umbellularia californica Robert A. Schlising 1962-2-21 2078 Contra Costa Berkeley-Oakland Hills of westernmost part of county. Comment
  JEPS75485  Umbellularia californica P. F. Yorks 1974-2-3 108 Contra Costa 1.6 km s of Bear Creek Road (n of Briones Reservoir on Hampton Road in Hampton Road Natural Reserve); Hampton Road Natural Reserve 170 Comment
  RSA446339  Umbellularia californica H. de Forest 1930-3-28 s.n. Contra Costa Slopes of Mt. Diablo. Comment
  UC1126330  Umbellularia californica R. W. Lundh 1933-3-1 203 Contra Costa Eastport 243 Comment
  UC691944  Umbellularia californica Mary L. Bowerman 1931-2-8 514 Contra Costa Summit of Mount Diablo Mount Diablo Comment
  OBI13419  Umbellularia californica H. E. McMinn, E. Maino 1931-2-15 13 Contra Costa Leona Heights Comment
Read comments
May 22 2013
  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
  UC691782  Uropappus lindleyi Mary L. Bowerman 1933-5-18 2137 Contra Costa Mount Diablo 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
  OBI3305  Vaccinium ovatum Neil Havlik 1969-3-25 306 Contra Costa NE slope of Grizzly peak, justbelow the summit 518 Comment
  UC1714515  Verbascum blattaria unknown July 1892 Contra Costa Redwood Peak Comment
  RSA29666  Verbena lasiostachys var. lasiostachys Joseph A. Ewan 1936-7-5 9719 Contra Costa Reservoir road, Wildcat Creek. Comment
  UC691729  Verbena lasiostachys var. scabrida Mary L. Bowerman 1930-6-22 371 Contra Costa Deer Flat Spring. Comment
  UC691756  Verbena lasiostachys var. scabrida Mary L. Bowerman 1930-9-27 464 Contra Costa West base spring (2 miles by road from North Gate, take trail to west; follow to fence, go through). Comment
  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
  UC650440  Veronica peregrina subsp. xalapensis Ira L. Wiggins 1930-4-17 4581 Contra Costa 1/4 mi s of Byron Comment
  UC691653  Veronica peregrina subsp. xalapensis Mary L. Bowerman 1931-4-4 664 Contra Costa w of Turtle Rock (Mount Diablo); Mount Diablo Comment
  JEPS12699  Viburnum ellipticum Mary L. Bowerman 1933-5-21 2162 Contra Costa s from Curry Canyon (Sycamore Canyon, ridge between two main forks w side); Mount Diablo, Sycamore Canyon 365 Comment
  UC691755  Viburnum ellipticum Mary L. Bowerman 1933-5-21 2162 Contra Costa Sulphur Spring Canyon, ridge between the two main forks, on the w side Mount Diablo 365 Comment
  UC1050168  Viburnum japonicum N. Floy Bracelin 1944-4-23 2377 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UCD108768  Vicia americana Helen K. Sharsmith 1962-4-17 4936 Contra Costa Vicinity of Grizzly Peak, Berkeley Hills. 426 Comment
  UC74935  Vicia americana var. americana unknown 1903-4-27 2793 Contra Costa Byron Comment
  JEPS46092  Vicia americana var. americana Mrs. E. L. Mossman 1931-3-12 Contra Costa Wildcat Canyon; Berkeley Hills Comment
  UCD108921  Vicia sativa subsp. sativa R. Koch 1996-4-20 1 Contra Costa city of Danville, free space by Mt. Diablo State Park. 121 Comment
  UC2028201  Vicia sativa subsp. sativa Barbara Ertter 1998-5-3 16051 Contra Costa Turtle Rock ponds along Barbeque Terrace road in upper Pine Canyon, southwest flank of Mount Diablo. Comment
  CDA15246  Vicia villosa subsp. varia G. F. Hrusa, D. Crowe 1998-5-8 14377 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg adjacent to shore of San Joaquin River. Comment
  CHSC116652  Vicia villosa subsp. varia Lowell Ahart; Josephine Guardino 2016-4-19 20764 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. In the middle of the dirt road, 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 160 Comment
  RSA125861  Viola pedunculata G. R. Campbell 1956-4-6 16 Contra Costa Between Round Top and summit of Mt. Diablo. 305 Comment
  JEPS50410  Viola purpurea subsp. quercetorum Mary Bowerman 1933-5-12 Contra Costa Mount Diablo Comment
  UC422922  Viola purpurea subsp. quercetorum E. W. Hicks 1917-3-25 109 Contra Costa w shoulder of Mount Diablo 762 Comment
  POM203171  Viola purpurea subsp. quercetorum