Search Results — 2000 specimen records retrieved (1367 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
  LA35665  Abies bracteata Rimo Bacigalupi; 1960-4-4 7360 Contra Costa Santa Lucia Mts, Wildcat Canyon, Berkely Hills, on short side of road to corporation yard 297 Comment
  UC1618268  Abutilon theophrasti Barbara Ertter with CNPS 1990-8-19 9622 Contra Costa E side of S end of Briones Reservoir N of Orinda, along Bear Creek trail on EBMUD land, near junction of main trail and path to Briones Overlook Staging Area 182 Comment
  UC1051238  Acacia retinodes N. Floy Bracelin 1942-9-13 2291 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  SD45088  Acer macrophyllum W. Jones 1927-6-2 Contra Costa Crockett Comment
Read comments
Jul 11 2010
  SEINET4172014 Image available Acer macrophyllum Robert A. Norris, John L. Inase 1981-1 4146 Contra Costa Abrigo Valley Trail, NW part of Briones Regional Park (ca. 3 mi. NNW Lafayette) 274 Comment
  SEINET12234133  Acer macrophyllum M. T. Doutt 1930-1 78 Contra Costa Marsh Creek Comment
  CAS-BOT-BC334181  Acer negundo var. californicum Annetta Carter 1937-3-28 1227 Contra Costa Creek bank, Moraga Valley, 2.5 miles north of Moraga 182 Comment
  CDA310  Achillea millefolium D. G. Kelch, A. G. Murdock 2003-8-13 3 .102 Contra Costa Carquinez Strait Region; Martinez Marsh. Comment
  SEINET10614426  Achillea millefolium John T. Middleton 1936-4-18 Middleton 142 Contra Costa Comment
  UCD104120  Acmispon glaber P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo Summit. Comment
  JEPS112352  Acmispon wrangelianus Dean G. Kelch and Andrew G. Murdock 2004-4-11 04 .061 Contra Costa Crockett - 5th St. Prairie, County: Contra Costa; 5th street Prairie, Crockett. Comment
  JEPS112409  Acmispon wrangelianus Dean G. Kelch and Andrew G. Murdock 2005-4-15 05 .152b Contra Costa Rodeo Creek; county: Contra Costa; EBRP land. West of Cummings Skyway near summit (Old C&H Sugar diatomaceous earth dump). Comment
  UCD104481  Acmispon wrangelianus Rimo Bacigalupi; G. T. Robbins 1956-5-11 5639 Contra Costa Between State Highway no. 4 (Franklin Canyon Road) and Santa Fe Ry. Right of way, 1/4 mile east of jnct. Of this rd. with U.S. 40, 1.3 miles east of Pinole. 22 Comment
  UCD104491  Acmispon wrangelianus Morris Halperin 1929-4-21 s.n. Contra Costa Moraga Valley. Comment
  CDA35657  Acroptilon repens Vince Guise 2011-8-2 PDR# 1649692 Contra Costa Discovery Bay; southwest corner of Discovery Bay Blvd. and Clipper Dr. 0 Comment
  UCSB29426  Actaea rubra Havlik, Neil 1969-7-3 Contra Costa along Grizzly Pk. Trail on the northeast slope of Grizzly Pk., Berkeley Hills 426 Comment
  RSA498006  Adenostoma fasciculatum Robert F. Hoover 1939-04 20470 Contra Costa Head west branch Markley Canyon 305 Comment
  UC1127726  Adenostoma fasciculatum R. W. Lundh 1933-2-1 199 Contra Costa Las Trampas Ridge Concord Quad., Las Trampas Ridge Comment
  UC70330  Adenostoma fasciculatum J. B. Davy 1897-1 Contra Costa Moraga Comment
  SEINET7728119  Adiantum emarginatum C. C. Parry 1883-1 Contra Costa Mt. Diablo Comment
  HSC93903  Adiantum jordanii C. Newberry 1994-4-30 7255 Contra Costa Mt. Diablo State Park, trail from Mitchell Canyon Parking to Donner Creek 900 Comment
  LA205596  Aesculus californica J. A. Ewan; 1935-2-3 9082 Contra Costa Wildcat Creek 0.25 mi. below Orinda road bridge Comment
  POM136961  Aesculus californica Ivar Tidestrom 1895-06 s.n. Contra Costa [No location information on label.] Comment
  UCD128633  Agoseris apargioides Morris Halperin 1929-4-21 s.n. Contra Costa Moraga Valley. Comment
  JEPS100119  Agoseris grandiflora G. Smick 2003-4-29 GAS 151 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS111761  Agoseris grandiflora var. grandiflora D. G. Kelch 2005-5-13 05 .258-b Contra Costa Martinez - West: along Vista Road ~ 2.5 kiloms West of Martinez 45 Comment
  UC29367 Image available Agoseris grandiflora var. grandiflora Edw. L. Greene 1892-6-20 Contra Costa Mt. Diablo Mt. Diablo Comment
  CAS-BOT-BC22970  Agoseris heterophylla John Thomas Howell 1933-5-14 11260 Contra Costa Hills east of St. Mary's College Comment
  POM203659  Agoseris heterophylla John T. Howell 1933-5-14 11260 Contra Costa Hills east of St. Mary's college Comment
  UC29357  Agoseris heterophylla var. heterophylla H. M. Hall 1901-4-5 1726 Contra Costa Mt. Diablo; San Francisco Bay region Comment
  UC29360  Agoseris heterophylla var. heterophylla F. T. Bioletti 1894-5-13 Contra Costa Mt. Diablo Comment
  UC691794  Agoseris heterophylla var. heterophylla Mary L. Bowerman 1933-5-18 2127 Contra Costa grassy slope Blackberry Spring; Mount Diablo Comment
  CAS-BOT-BC13350  Agoseris retrorsa Alice Eastwood 1916-5-30 4500 Contra Costa Mount Diablo Comment
  JEPS36280  Agoseris retrorsa W. L. Jepson 1921-5-22 9208 Contra Costa summit Mt. Diablo Comment
  UC691427  Agoseris retrorsa Mary L. Bowerman 1935-5-18 3017 Contra Costa along road near parking area Mount Diablo 1127 Comment
  UCD146716  Agrostis avenacea G. F. Hrusa; D. Crowe 1998-5-8 14385 Contra Costa Sacramento-San Joaquin River Delta. In Dow Ecological Reserve on Dow Chemical property at Pittsburg. 5 Comment
  JEPS100031  Agrostis exarata S. O'Neil 2003-6-24 SEO 41 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  RSA0033846  Agrostis exarata Barbara Ertter 1999-7-17 16763 Contra Costa Wildcat Canyon Regional Park in East Bay Hills, Rifle Range Road. Comment
  UC2013050  Agrostis hallii Barbara Ertter with Lisa Schultheis 1996-9-2 15278 Contra Costa South Side Mount Diablo Blackhawk Road east of Sycamore Creek Road. Comment
  UC2070613  Agrostis stolonifera Barbara Ertter with Chris Thayer, Dianne Lake et al. 2001-5-26 17654 Contra Costa Stamm Unit of Antioch Dunes National Wildlife Refuge east of Antioch. 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
  JEPS97561  Aira caryophyllea R. D. Stone 1980-7-13 282 Contra Costa Huckleberry Trail Oakland Hills, near Alameda-Contra Costa county line (NE of intersection of Skyline Blvd. and Snake Road) Comment
  UC2028373  Aira caryophyllea Barbara Ertter 1998-6-20 16233 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo. Alkali Pond at Wiget Lane entrance. Comment
  UC579859  Aira caryophyllea Annetta Carter 1936-4-19 1122 Contra Costa Red Rock San Francisco Bay (e side of island) Comment
  CAS-BOT-BC445380  Alisma plantago-aquatica Mary L. Bowerman 1933-9-9 2429 Contra Costa Mount Diablo. Frog Pond. Comment
  UCD32425  Alisma triviale Beecher Crampton 1950-6-10 589 Contra Costa 1 mile north of Richmond, along Santa Fe R.R. 15 Comment
  RSA411794  Allenrolfea occidentalis E. E. Stanford 1930-08 1871 Contra Costa Near Old River; near sloughs. Comment
  JEPS47591  Allium falcifolium W. L. Jepson 1921-5-22 9212 Contra Costa Mt. Diablo Comment
  UC843254  Allium falcifolium Alice Eastwood 1915-5-30 4531 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC469114  Allium falcifolium Alice Eastwood 1915-5-30 s.n. Contra Costa Mt. Diablo Comment
  JEPS56390  Allium serra W. L. Jepson 1918-6-3 7581 Contra Costa Donner Canyon Mt. Diablo, Donner Canyon 609 Comment
  CAS-BOT-BC475527  Allium serra Alice Eastwood 1916-5-30 4461 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC475539  Allium serra Reed C. Rollins 1946-3-25 3043 Contra Costa Western slope of Mount Diablo Comment
  UC2027774  Allium unifolium Barbara Ertter with Holly Forbes 1997-4-20 15566 Contra Costa North base of Mount Diablo, trail to Back Creek from Mitchell Canyon trailhead. Comment
  UC1818942  Alnus rhombifolia Barbara Ertter, Chris Thayer 1995-4-25 13987 Contra Costa Southeast side of Mt. Diablo northeast of Danville; shade of oak forest on Sycamore Creek near junction of path from Knobcone Point Rd. 396 Comment
  UC2031467  Alnus rhombifolia Barbara Ertter with Brad Olson, Dianne Lake, Lynne Hosley and A. Youngson 1991-10-20 10861 Contra Costa Dow Wetlands Preserve, just W of Antioch marina Comment
  SEINET3917842  Alopecurus myosuroides George Murray 1964-5-24 s.n. Contra Costa Near San Pablo Dam.; 0 Comment
  JEPS111587  Amaranthus albus A. G. Murdock 2004-5-28 303 Contra Costa Luzon Roadside 60 Comment
  UC2027977  Amaranthus albus Barbara Ertter with Mary Bowerman 1996-11-1 15397 Contra Costa North base of Mount Diablo, downstream from Mitchell Canyon parking lot. Comment
  SEINET3840792  Amaranthus cruentus Dean G. Kelch, Andrew G. Murdock 2005-6-27 5 .392 Contra Costa Carquinez Strait, Sixth street at Lillian Street in vegetable garden, Crockett, common garden weed 33 Comment
  CDA23720  Amaranthus powellii D. G. Kelch 2002-7-15 2 .005 Contra Costa CA Delta; Old San Joaquin River channel, E of Brentwood. San Joaquin County border. 0 Comment
  CDA6723  Ambrosia trifida J. Clark, C. Beutler 1976-9-1 Contra Costa 2161 Youngs Court, Walnut Creek. 0 Comment
  CAS-BOT-BC222219  Amsinckia John Thomas Howell 1934-4-8 11826 Contra Costa South of Antioch Comment
  CAS-BOT-BC222224  Amsinckia Alice Eastwood; John Thomas Howell 1936-4-19 2143 Contra Costa At Antioch Comment
  CAS-BOT-BC222226  Amsinckia Alice Eastwood; John Thomas Howell 1936-4-19 2131 Contra Costa Nortonville Comment
  CAS-BOT-BC222228  Amsinckia Alice Eastwood; John Thomas Howell 1936-4-19 2141 Contra Costa Somersville Comment
  CHSC91870  Amsinckia intermedia Richard R. Halse 1988-2-20 3541 Contra Costa Along State Hwy. 4 near its junction with Balfour Road on the S edge of Brentwood. 23 Comment
  UC615270  Amsinckia intermedia Beryl O. Schreiber 1932-3-27 130 Contra Costa near Mountain House Comment
  UC725924  Amsinckia intermedia A. A. Heller 1941-3-24 15905 Contra Costa Byron Springs 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
  SD126014  Amsinckia intermedia Alfred Sattler 1972-4-2 16 Contra Costa Concord, Southeast corner of Wilson Lane and West Street Comment
  CAS-BOT-BC222462  Amsinckia lunaris Francia Chisaki; Peter Kamb 1952-5-4 2275 Contra Costa Bear Creek Road, 1.5 miles east of Orinda-Richmond road (leaving this road ca. 1 mile north of Orinda) Comment
  JEPS75462  Amsinckia lunaris P. F. Yorks 1976-4-25 507 -2 Contra Costa n. Briones Reservoir (ca. 1.5 km. s. of Bear Creek Rd. on hampton Rd. in Hampton Rd. Natural Reserve); Hampton Rd. Natural Reserve 170 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
  UC56850 Image available Amsinckia lunaris H. M. Hall 1900-3-24 Contra Costa Briones Valley Region of San Francisco Bay; Briones Valley, region of San Francisco Bay Comment
Read comments
Jan 7 2013
  SEINET11263173  Amsinckia lunaris Barbara Ertter, Chris Thayer 1993-5-7 11707 Contra Costa Ca. 1/2 mile N of Vollmer (=Bald) Peak in East Bay Municipal Utilities District land east of Tilden Park.; 0 457 Comment
  UC2012977  Amsinckia lunaris Barbara Ertter with Chris Thayer 1993-5-7 11707 Contra Costa Ca 1/2 mile north of Vollmer (=Bald) Peak in East Bay Municipal Utilities District land east of Tilden Park. Comment
  UC2027923  Amsinckia lycopsoides Barbara Ertter, Dan Norris 2001-4-15 17616 Contra Costa Diablo Foothills Regional Park, Stonegate Trail near Foothills Trail junction. Comment
  CAS-BOT-BC26823  Amsinckia peltigera Alice Eastwood 1921-4-18 10311 a Contra Costa Antioch Comment
  CAS-BOT-BC26953  Amsinckia scabra Alice Eastwood 1923-5-4 11731 Contra Costa Mt. Diablo Comment
  UC161764  Amsinckia tessellata var. tessellata C. M. Belshaw 1936-5-9 2084 Contra Costa 1/2 mi n Nortonville 274 Comment
  CDA29026  Anagallis arvensis D. G. Kelch 2006-5-7 6 .156 Contra Costa Carquinez Strait.; Crockett. Upper Edward s Canyon. Comment
  CHSC75115  Anagallis arvensis Roger Thom 1987-5-26 21 Contra Costa 2800 block of Buena Vista Ave. Walnut Creek. 30 Comment
  UC196982  Ancistrocarphus filagineus Chesnut and Drew 1889-4-18 Contra Costa sand hills Antioch Comment
  UC2070515  Ancistrocarphus filagineus Barbara Ertter with Dan Norris 2001-4-8 17586 Contra Costa Lime Ridge Open Space east of Walnut Creek. Comment
  UC162557  Androsace elongata subsp. acuta H. M. Hall 1901-4-5 Contra Costa Mount Diablo San Francisco Bay region, Mt. Diablo 1074 Comment
  CAS-BOT-BC400255  Anemopsis californica A. D. E. Elmer 1903-6-1 4870 Contra Costa Walnut Creek Comment
  UC306614  Anemopsis californica A. D. E. Elmer June, 1903 4870 Contra Costa Walnut Creek Comment
  UC691887  Angelica californica Mary L. Bowerman 1935-3-16 2740 Contra Costa Mount Diablo, e fork of Arroyo del Cerro Arroyo del Cerro; Mount Diablo, Arroyo del Cerro 274 Comment
  UC692561  Angelica californica Mary L. Bowerman 1932-5-6 1420 Contra Costa Mount Diablo, Mitchell Canyon Mitchell Canyon; Mount Diablo, Mitchell Canyon 228 Comment
  UC1594182  Anthemis cotula Jerry Powell 1992-6-17 1692 Contra Costa Richmond Field Station Comment
  UC1795764  Anthriscus caucalis Barbara Ertter, Lisa Schultheis 1995-4-27 14015 Contra Costa Lime Ridge open space northwest of Mt. Diablo in Walnut Creek; north-facing open brushy slope with scattered oaks along extension of Valley View road. 182 Comment
  NY67842  Antirrhinum elmeri A. D. E. Elmer 06 1903 4809 Contra Costa Mt. Diablo Comment
  UC306602  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum A. D. E. Elmer Jun 1903 4809 Contra Costa Mount Diablo; ; Mt. Diablo, Contra Costa Co. Comment
  UC691600  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Mary L. Bowerman 1932-9-3 1535 Contra Costa Muir Area; Mount Diablo Comment
  JEPS45617  Aphanes occidentalis W. L. Jepson 1931-4-5 15720 Contra Costa Nortonville 396 Comment
  UC12054  Aphanes occidentalis F. T. Bioletti 1892-4-8 Contra Costa Byron Comment
  UC1594204  Apocynum cannabinum Jerry Powell 1991-6-11 1606 Contra Costa Antioch Nat'l Wildlife Refuge Comment
  UC692206  Aquilegia eximia Mary L. Bowerman 1936-9-10 3543 Contra Costa Donner Canyon Mount Diablo 335 Comment
  UC10112 Image available Arabis breweri W. H. Brewer 1862-5-14 1086 Contra Costa East Peak, Mt. Diablo Comment
  UC10113 Image available Arabis breweri Wm. H. Brewer 1862-5-14 1086 Contra Costa rocky summit of Mt. Diablo on eastern peak Comment
  UC691128  Arabis glabra Mary L. Bowerman 1932-5-6 1431 Contra Costa Mitchell Canyon Mount Diablo 251 Comment
  UC571094  Arbutus menziesii H. L. Mason 1924-11-23 1160 Contra Costa Cashion Canyon Comment
  UC1078914  Arceuthobium campylopodum Job Kuijt 1958-1-12 1444 Contra Costa Little Rock City Mount Diablo Comment
  UC692044  Arceuthobium campylopodum Mary L. Bowerman 1931-10-31 1064 Contra Costa south Rd near junction Mount Diablo Comment
  UC2028013  Arceuthobium campylopodum Barbara Ertter 1997-11-1 15877 Contra Costa South side Mount Diablo, Knobcone Point Road east of junction with Black Hawk Ridge Road. Comment
  UC2028513  Arceuthobium campylopodum Barbara Ertter 1996-11-24 15417 Contra Costa Southwest side of Mount Diablo, Wall Point Road across Pine Ridge ca 1/2 air miles ENE of Macedo Ranch. Comment
  UC465859  Arceuthobium campylopodum E. W. Hicks 1917-3-25 110 Contra Costa canyon, n slope Mt. Diablo Comment
  UC1509579  Arctostaphylos Stephen W. Edwards 1984-2-20 SW- 84 -1 Contra Costa w flank of ridge e Olinda Drive (nw of intersection of San Pablo Dam Rd and Castro Ranch Rd) Comment
  SEINET11989149  Arctostaphylos andersonii var. auriculata B. A. Stein 1981-1 460 Contra Costa Mt. Diablo State Park, Rock City Campground 457 Comment
  RSA121965  Arctostaphylos andersonii var. pallida B. O. Schreiber 1938-9-18 2548 Contra Costa 0.5 miles south southwest of Round Top. 335 Comment
  CAS-BOT-BC24114  Arctostaphylos auriculata Joanne Taylor 1941-7-18 16 Contra Costa Hills by Nortonville, dry rocky slopes in chaparral belt. 213 Comment
  JEPS19888  Arctostaphylos auriculata W. L. Jepson 1922-7-14 9737 Contra Costa head of Sycamore Creek Mt. Diablo Comment
  POM131658  Arctostaphylos auriculata Alice Eastwood 1903-2-22 3161 Contra Costa Mt Diablo Comment
  RSA164647  Arctostaphylos auriculata Percy C. Everett 1963-11-19 24549 Contra Costa Mt Diablo. 457 Comment
  RSA622484  Arctostaphylos auriculata Jon E. Keeley 1996-6-24 27596 Contra Costa Above Rock City, Mt. Diablo. 540 Comment
Read comments
Jan 30 2013
  SD69999  Arctostaphylos auriculata Darley F. Howe 1968-5-21 4519 Contra Costa Mount Diablo. Comment
  UC526215  Arctostaphylos auriculata Lewis S. Rose 1934-2-28 34039 Contra Costa 8 mi ne Danville (s slope of mt., type locality); Mt. Diablo Comment
  UC692479  Arctostaphylos auriculata Mary L. Bowerman 1933-3-25 1773 Contra Costa top Pine Canyon Ridge (s-facing slope between the two forks); Mount Diablo, Emmons Canyon (off Stone Valley) Comment
  UCD50263  Arctostaphylos auriculata Roman Gankin 1968-11-14 1310 Contra Costa Ca. 300 yds. above the road at Somersville. Comment
  CAS-BOT-BC23560  Arctostaphylos crustacea John Thomas Howell 1930-6-15 5311 Contra Costa Rocky north-west slope of summit of Grizzley Peak, Berkeley Hills. Comment
  JEPS46405  Arctostaphylos glandulosa W. L. Jepson 1919-1-25 9209 Contra Costa Moraga Ridge Comment
  JEPS81633  Arctostaphylos glandulosa subsp. glandulosa Roger Raiche 1982-1-1 20043 Contra Costa near Grizzly Peak; Claremont Canyon Comment
  CAS-BOT-BC24662  Arctostaphylos glauca Brandegee 1889-1-1 5 Contra Costa Antioch. Comment
  UC692234  Arctostaphylos glauca Mary L. Bowerman 1933-4-15 1857 Contra Costa canyon s Arroyo del Cerro (s edge of wooded gully); Mt. Diablo 381 Comment
  RSA0046800  Arctostaphylos glauca Mary L. Bowerman 1933-3-11 1748 Contra Costa Fossil Ridge, outer south face: In gully northwest of South Gate. Comment
  RSA632816  Arctostaphylos laevigata Jon E. Keeley 1996-6-24 27580 Contra Costa Above Rock City, Mt. Diablo. 540 Comment
  RSA632818  Arctostaphylos laevigata Jon E. Keeley 1996-6-24 27585 Contra Costa Above Rock City, Mt. Diablo. 540 Comment
  RSA632821  Arctostaphylos laevigata Jon E. Keeley 1996-6-24 27588 Contra Costa Above Rock City, Mt. Diablo. 540 Comment
  UCD52165  Arctostaphylos manzanita Edward Lee 1936-1-12 1712 Contra Costa Canyon bottom; immediately south of Nortonville. Comment
  JEPS19876  Arctostaphylos manzanita subsp. laevigata W. L. Jepson 1922-5-23 9660 Contra Costa canyon on s side Mt. Diablo Comment
  JEPS98841  Arctostaphylos manzanita subsp. laevigata Richard Hildreth and Roy Brewer 1964-10-7 Contra Costa Rock City, head of Dan Cook Canyon, W of nature trail Mount Diablo Comment
  RSA164649  Arctostaphylos manzanita subsp. laevigata Percy C. Everett 1963-11-19 24499 Contra Costa Mt Diablo. 457 Comment
  SBBG21345  Arctostaphylos manzanita subsp. laevigata V. Haraden 1941-7-18 10 Contra Costa near Nortonville 121 Comment
  UC549604  Arctostaphylos manzanita subsp. laevigata J. E. Adams 1934-10-6 675 Contra Costa Mt. Diablo Comment
  UC692513  Arctostaphylos manzanita subsp. laevigata Mary L. Bowerman 1932-1-19 1074 Contra Costa on n-facing slope just over crest of ridge (w edge of chaparral); Mount Diablo, Inner Black Hills Comment
  UC876425  Arctostaphylos manzanita subsp. laevigata Lewis S. Rose 1934-2-28 34040 Contra Costa 8 mi ne Danville (s slope of mt., type locality); Mt. Diablo Comment
  UC692224  Arctostaphylos manzanita subsp. laevigata Mary L. Bowerman 1938-6-24 3693 Contra Costa road 8.9 mi from North Gate (crest of ridge above road, below Pines Picnic Area); Mount Diablo 792 Comment
  CAS-BOT-BC24383  Arctostaphylos manzanita subsp. manzanita Mary L. Bowerman 1932-9-5 1545 Contra Costa Mount Diablo. On meridian, which heads into Sycamore canyon: crest of ridge. Comment
  CAS-BOT-BC24386  Arctostaphylos manzanita subsp. manzanita Mary L. Bowerman 1936-8-19 3530 Contra Costa Mount Diablo, Pine Canyon mouth, most northerly west-heading streamlet shown on topographic map (now dry). 167 Comment
  CAS-BOT-BC24394  Arctostaphylos manzanita subsp. manzanita Brandegee 1889-1-1 5 Contra Costa Antioch. Comment
  POM300725  Arctostaphylos manzanita subsp. manzanita Mary L. Bowerman 1933-3-25 1765 Contra Costa Emmons Canyon (off Stone Valley), west fork. Comment
  CDA29586  Arctostaphylos pallida D. G. Kelch, Suzanne Latham, Matt Beyers 2009-6-3 9 .334 Contra Costa East Bay.; El Sobrante Ridge at end of Silver Belt Dr. on Miocene chert outcrop. Comment
  LA42215  Arctostaphylos pallida J. A. Ewan; 1934-1-7 8162 Contra Costa Head of San Leandro Creek above Oakland Comment
  JEPS19848  Arctostaphylos tomentosa subsp. crustacea W. L. Jepson 1914-1-31 5718 Contra Costa Moraga Ridge Oakland Hills 457 Comment
  JEPS48826  Arctostaphylos tomentosa subsp. crustacea H. M. Wheeler 1944-1-16 27507 Contra Costa Moraga Ridge Oakland Hills Comment
  UC1120138  Arctostaphylos tomentosa subsp. crustacea C. M. Belshaw 1936-2-16 1585 Contra Costa 2 1/2 mi nw Lafayette; Concord Quadrangle, Lafayette Ridge Comment
  UC549461  Arctostaphylos tomentosa subsp. crustacea J. E. Adams 1934-3-9 633 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
  UC909879  Arctostaphylos tomentosa subsp. crustacea J. E. Adams 1934-3-9 631 Contra Costa Moraga Ridge Comment
  RSA0029783  Arctostaphylos tomentosa subsp. crustacea Barbara Ertter, L. Vorobik 2000-1-9 16889 Contra Costa Las Trampas Regional Wilderness in East Bay Hills west of Danville. Comment
  UC2046014  Arctostaphylos viscida subsp. mariposa Stephen W. Edwards July, 2012 s.n. Contra Costa Pleasant Hill, along Taylor Blvd. Comment
  UC692179  Argemone Mary L. Bowerman 1932-10-1 1603 Contra Costa Mount Diablo, Mitchell Canyon Mitchell Canyon; Mount Diablo, Mitchell Canyon Comment
  JEPS81964  Argyranthemum foeniculaceum Rimo Bacigalupi and L. R. Heckard 1965-5-11 9070 Contra Costa on strand at n end Brooks Island (sw of Richmond, in San Francisco Bay); San Francisco Bay, n end of Brooks Island Comment
  UC2032801 Image available Argyranthemum foeniculaceum Doran, Andrew Scott 2012-3-20 671 Contra Costa Brooks island loading dock, North side of island. Comment
  RSA51344  Aristolochia californica P. H. Raven 1950-3-5 s.n. Contra Costa Happy Valley Road .9 miles above intersection with Upper Happy Valley Road 183 Comment
  JEPS35906  Arnica discoidea W. L. Jepson 1943-6-8 20847 Contra Costa Moraga Ridge Comment
  UC29610  Arnica discoidea W. H. Brewer 1862-7-1 1302 Contra Costa Mount Hamilton Contra Costa Range, Mount Hamilton Comment
  JEPS36980  Artemisia californica W. L. Jepson 1898-10-18 Contra Costa Mount Diablo Comment
  LA202980  Artemisia californica J. A. Ewan; November 1934 9079 Contra Costa Wildcat Canyon, 0.75 mi. below Orinda road bridge Comment
  JEPS75553  Artemisia douglasiana P. F. Yorks 1975-7-12 472 B Contra Costa north of Briones Reservoir (on Hampton Road 1.7 km s. of Bear Creek Road); Hampton Road Natural Reserve 180 Comment
  UC1584664  Artemisia douglasiana Jerry Powell 1990-8-29 1591 Contra Costa Antioch National Wildlife Refuge Comment
  CAS-BOT-BC90296  Artemisia douglasiana Mary L. Bowerman 1932-9-17 1582 Contra Costa Donner Canyon, west fork 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
  UC169478  Asarum caudatum Katharine Brandegee Apr 1913 Contra Costa Eastport, Oakland Hills? Comment
  CAS-BOT-BC400500  Asarum caudatum John Thomas Howell 1925-9-12 1439 Contra Costa San Leandro Canon [Canyon], Oakland Hills Comment
  UCD137837  Asarum caudatum Richard W. Neil 1941-3-24 4 Contra Costa Redwood Park, Redwood Canyon. 182 Comment
  JEPS15235  Asclepias cordifolia Rimo Bacigalupi with G. Thomas Robbins 1956-5-11 5642 Contra Costa 1/4 mi above and nw Glen Frazier Station on the Santa Fe Railway; Franklin Canyon 106 Comment
  UC35243  Asclepias cordifolia Prof. E. L. Greene April 1889 Contra Costa hills near Martinez Comment
  UC691840  Asclepias fascicularis Mary L. Bowerman 1932-11-25 1667 Contra Costa Silver Spring Mount Diablo Comment
  UC1618202  Asparagus asparagoides Barbara Ertter 1991-5-12 9817 Contra Costa sw corner El Cerrito (along old R.R. right-of-way between bay & salicornia marsh, Point Isabel Regional Shoreline, on San Francisco Bay); San Francisco Bay Comment
  JEPS79589  Aspidotis californica Edward Lee 1978-12-20 Contra Costa Devil's Elbow trail Mt Diablo 1036 Comment
  CDA1505  Aster chilensis D. G. Kelch 1998-10-13 s.n. Contra Costa Carquinez Strait; Base of Elkhorn Creek, E of Crockett. 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
  UC13388  Astragalus asymmetricus F. T. Bioletti 1892-1 Contra Costa Byron Comment
  CAS-BOT-BC180526  Astragalus asymmetricus Ira L. Wiggins 1930-4-17 4562 Contra Costa Near Montain House, Altamont Pass Comment
  CDA18030  Astragalus asymmetricus R. M. Case 1999-7-6 PDR 004803 Contra Costa Along Kikker Pass Rd, Pittsburg. 0 Comment
  CAS-BOT-BC178475  Astragalus gambelianus T. S. Brandegee 1886-5-1 s.n. Contra Costa Antioch Comment
  JEPS112423  Astragalus gambelianus Dean G. Kelch and Andrew G. Murdock 2005-4-2 05 .107 Contra Costa Alhambra Valley; county: Contra Costa; EBMUD land. North of intersection of Alhambra Valley Road and Castro Ranch Road. Comment
  UC1949066  Astragalus gambelianus Barbara Ertter 2005-5-8 18566 Contra Costa Mount Diablo State Park, Burma Road below Moses Rock Spring on Long Ridge Comment
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Feb 13 2016
  CAS-BOT-BC66049  Athyrium filix-femina var. cyclosorum Brian Atwater 1978-10-24 BA- 171 Contra Costa between Bethel Island and Holland Tract Comment
  UC480596  Athysanus pusillus Carl Meyer 1928-2-22 291 Contra Costa Mount Diablo Comment
  CAS-BOT-BC17459  Athysanus pusillus Mary L. Bowerman 1931-2-28 525 Contra Costa Mount Diablo. Rock City Ridge near Rock City. 518 Comment
  JEPS99036  Atriplex Robert E. Preston & Eva Buxton 1994-8-4 676 Contra Costa E end of Briones Valley, W of Marsh Creek Reservoir. 60 Comment
  CDA9501  Atriplex argentea D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .228 Contra Costa Byron Airport. Comment
  UCD148252  Atriplex coronata Robert E. Preston 2013-6-21 2914 Contra Costa 3.5 mi SW of Byron. 62 Comment
  RSA603503  Atriplex coronata Carol W. Witham 1994-8-6 587 Contra Costa along Kellogg Creek Road under transmission towers 3 Comment
  CHSC98937  Atriplex coronata var. coronata Samantha Mackey Hillaire 2007-7-17 1243 a Contra Costa Briones Valley, ~0.2 mile west of Marsh Creek Reservoir. 60 Comment
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Jan 22 2009
  SEINET4133821  Atriplex fruticulosa Howard C. Stutz, G. L. Chu 1991-4-12 95463 Contra Costa 2 mi. S of Byron, E side of road in 'native' pasture.; 0 Comment
  SEINET4134956  Atriplex heterosperma Howard C. Stutz 1990-8-17 95340 Contra Costa No. Livermore.; 0 Comment
  JEPS59616  Atriplex joaquinana W. L. Jepson May 1891 Contra Costa Mt. Diablo region Comment
  RSA74085  Atriplex joaquinana Milo S. Baker 1946-4-20 11329 Contra Costa Near Concord Comment
  JEPS25154  Atriplex leucophylla G. Thomas Robbins with John Weiler 1959-5-23 4024 Contra Costa on breakwater northwestern extension Brooks Island (Richmond); San Francisco Bay, , Brooks Island Comment
  UC53767  Avena barbata J. Burtt Davy May, 1898 Contra Costa Livermore Region Of Mount Diablo Comment
  UC691226  Avena barbata Mary L. Bowerman 1933-5-9 2040 a Contra Costa hillside e Pioneer Camp (exposure s to w); Mount Diablo Comment
  UCD56220  Avena barbata A. A. Beetle 1942-3-22 2929 Contra Costa Brooks Island in San Francisco Bay. Comment
  CAS-BOT-BC146024  Avena barbata John Thomas Howell 1983-5-12 54745 Contra Costa Mount Diablo. Juniper Camp. 914 Comment
  POM301849  Avena barbata Mary L. Bowerman 1933-5-8 2002 Contra Costa Fossil Ridge, south face, not far from but out of sight of South Gate 290 Comment
  CDA19821  Avena fatua P. Akers 2002-5-11 s.n.- 1 Contra Costa Northern California; Mt Diablo Summit Trail at water tank picnic area. 873 Comment
  UC53686  Avena fatua J. Burtt Davy 1900-5-24 6537 Contra Costa Pt. Richmond Comment
  UCD56084  Avena occidentalis G. Douglas Barbe 1983-5-22 4081 Contra Costa Mount Diablo State Park. 877 Comment
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Nov 19 2009
  CAS-BOT-BC145749  Avena sativa G. D. Barbe 1983-5-22 4081 Contra Costa On hillside along fire road north of Juniper Campground, Mount Diablo State Park. 877 Comment
  UC1523840  Avena sterilis Mark Blumler 1986-6-15 Contra Costa Cerrito Creek Richmond (n bank) Comment
  CAS-BOT-BC98765  Baccharis douglasii Walter Knight; Harry Reeves 1979-8-25 3406 Contra Costa In natural marsh near reservoir. Contra Loma Regional Park near Antioch 22 Comment
  CDA37435  Baccharis glutinosa D. G. Kelch, Mike Perlmutter 2011-9-23 11 .753 Contra Costa Immediately north of Discovery Bay. Comment
  JEPS111682  Baccharis glutinosa D. G. Kelch 2003-8-13 03 .138 Contra Costa Pinole Creek 68 Comment
  UC697204  Baccharis glutinosa Mary L. Bowerman 1942-10-4 3852 Contra Costa Mount Diablo, Russelman Park Road 289 Comment
  JEPS104734  Baccharis pilularis John L. Morrison 1936-8-30 1848 Contra Costa Shasta Road, Wildcat Canyon Comment
  UC1948938  Baccharis pilularis William J. Ferlatte, L. Maynard Moe 1970-4-27 1239 Contra Costa San Francisco Bay: Red Rock Island Comment
  CDA32857  Baccharis salicifolia D. G. Kelch 2010-10-5 10 .418 Contra Costa The Delta; Just east of Antioch bridge. Comment
  POM181441  Baccharis salicifolia I. L. Wiggins 1930-4-18 4600 Contra Costa Levee bank, near ferry, Jersey Island Comment
  UC761940  Balsamorhiza deltoidea R. F. Hoover 1939-4-13 4015 Contra Costa head of Markley Canyon, (w branch) Markeley Canyon Comment
  UC691258  Barbarea orthoceras Mary L. Bowerman 1933-4-22 1899 Contra Costa w of Cave Point (s-face); Mount Diablo, Inner Black Hills Comment
  CDA2977  Bassia hyssopifolia D. G. Kelch, A. G. Murdock 2003-8-13 3 .094 Contra Costa Carquinez Strait Region; Martinez Marsh Comment
  CDA39043  Bellardia trixago D. G. Kelch 2011-6-5 11 .571 Contra Costa Carquinez Strait; South of Crockett, south of Cummings Skyway. Comment
  SEINET13390640  Bellardia trixago C. C. Hall 1911-5-20 8835 Contra Costa Near Concord. 100 Comment
  UC2027719  Berberis aquifolium var. dictyota Barbara Ertter with Brad Olson, Jim Shevock, et al. 1997-3-19 15515 Contra Costa Vasco Caves Regional Park east of Los Vaqueros Reservoir between Livermore and Brentwood. Comment
  CAS-BOT-BC102106  Bidens cernua Peter Raven 1948-11-28 172 Contra Costa Sloughs, L. San Joaquin R. Comment
  CAS-BOT-BC102034  Bidens laevis James McMurphy 1908-10-18 s.n. Contra Costa Antioch Comment
  NY31035  Blennosperma nanum R. C. F. Bacigalupi 1956-3-26 5526 Contra Costa In Deer Valley, along Deer Valley road 76.2 Comment
  NY31037  Blennosperma nanum A. M. Carter 1937-3-28 1225 Contra Costa 15 miles east of Concord 152.4 Comment
  RSA517739  Blennosperma nanum Donald G. Nelson 1937-3-30 459 Contra Costa Marsh Creek Highway, about halfway between Clayton and Bryon. Comment
  UCD129595  Blennosperma nanum Robbin W. Thorp 1967-2-26 670226 A Contra Costa Somersville, ca. 5 miles southwest of Antioch. Comment
  UC34577  Blennosperma nanum var. nanum H. M. Hall 1902-3-22 1695 Contra Costa Martinez San Francisco Bay Region Comment
  UC565479  Blennosperma nanum var. nanum H. L. Mason 1929-3-15 5045 Contra Costa just s of Nortonville Comment
  UC63210  Blennosperma nanum var. nanum H. M. Hall 1901-3-22 1695 Contra Costa Martinez San Francisco Bay Region Comment
  UC691494  Blennosperma nanum var. nanum Mary L. Bowerman 1932-3-12 1107 Contra Costa field a little e of, s of Diablo Bret Harte Memomorial Comment
  CAS-BOT-BC100702  Blennosperma nanum var. nanum Helen K. Sharsmith 1954-3-24 4409 Contra Costa Hillslope above old Nortonville Mines, near Kirker Pass Road between Clayton and Antioch 304 Comment
  CAS-BOT-BC127914  Blepharizonia laxa R. F. Hoover 1937-9-2 2710 Contra Costa 1 mi. s. of Pittsburg Comment
  CAS-BOT-BC127916  Blepharizonia laxa Mrs. Curran s.n. Contra Costa Antioch Comment
  CAS-BOT-BC100337  Blepharizonia plumosa K. Curran 1883-8-1 s.n. Contra Costa Antioch Comment
  UC596244  Blepharizonia plumosa R. F. Hoover 1937-8-31 2704 Contra Costa Pittsburg Comment
  UCD129618  Blepharizonia plumosa Robert E. Preston 2001-10-7 1777 Contra Costa Black Diamond Mines Regional Park, on w side of Stewartsville Trail, 0.75 mi s of Parking lot at Frederickson Lane trailhead. 152 Comment
  UC2029009  Blepharizonia plumosa Barbara Ertter, Dan Norris 1999-11-14 16855 Contra Costa Black Diamond Mines Regional Preserve, east end of Ridge Trail above Stewartville Trail. Comment
  JEPS53003  Boechera breweri subsp. breweri E. L. Greene 1894-5-13 Contra Costa Mt. Diablo Comment
  UCD140023  Bolboschoenus maritimus subsp. paludosus G. F. Hrusa; D. Crowe 1998-5-8 14366 Contra Costa Sacramento-San Joaquin River Delta. On Dow Chemical property at Pittsburg. 10 Comment
  HSC7467  Bolboschoenus robustus Leo Koch 1940-6-5 1004 Contra Costa Near highway, 2 mi. S of San Rafael ferry dock Comment
  UC692361  Bowlesia incana Mary L. Bowerman 1935-6-1 3098 Contra Costa Mount Diablo, Pine-Mitchell Divide Mount Diablo; , Pine-Mitchell Divide 975 Comment
  POM300701  Bowlesia incana Mary L. Bowerman 1935-5-1 2937 Contra Costa North Road 2 miles from entrance, across the creek from the road, Mount Diablo. 183 Comment
  CDA34051  Brassica rapa D. G. Kelch, D. A. Weinstein 2011-3-5 11 .032 Contra Costa Carqionez Strait Region.; Pt. Pinole. Comment
  UC407037  Brassica rapa Ira L. Wiggins 1930-4-18 4609 Contra Costa Jersey Island Comment
  CAS-BOT-BC106276  Brickellia californica H. E. McMinn 1922-10-17 400 Contra Costa Mitchell Canyon, Mt. Diablo Comment
  UC697128  Brodiaea elegans subsp. elegans Mary L. Bowerman 1930-6-3 229 Contra Costa North Road Mount Diablo 167 Comment
  UCD37380  Bromus Beecher Crampton 1960-3-29 5481 Contra Costa Contra Costa County, city of El Cerrito, corner of Carlson and Lassen Boulevards. Comment
  CDA23631  Bromus carinatus D. G. Kelch, D. A. Weinstein 2008-4-25 8 .089 Contra Costa Alvarado Park (west end of Wildcat Canyon Park) on north-facing hillside above Hindu temple in mixed scrub/grassland. Comment
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Jan 7 2016
  UC2032822  Bromus carinatus Doran, Andrew Scott 2012-3-20 692 Contra Costa North end of Brooks Island along ridge overlooking artificial spit, southwest of caretakers residence. Comment
  JEPS25124  Bromus carinatus var. carinatus G. Thomas Robbins 1959-4-18 3991 Contra Costa near and n of Point Richmond (w base of Potrero Hills, along Western Drive); Richmond, Potrero Hills, Western Drive 4 Comment
  UC692285  Bromus carinatus var. carinatus Mary L. Bowerman 1935-5-16 3010 Contra Costa behind Gabriel-Hinks (Mount Diablo, e side of North Peak); Mount Diablo, North Peak 289 Comment
  UC697129  Bromus carinatus var. carinatus Mary L. Bowerman 1935-5-1 2947 Contra Costa West Road 6.7 mi from entrance, Mount Diablo West Road; Mount Diablo, West Road 640 Comment
  CAS-BOT-BC156061  Bromus diandrus D. E. Breedlove 1970-4-18 17439 Contra Costa At the north edge fo Lafayette above Laurel Drive. 243 Comment
  POM300671  Bromus diandrus Mary L. Bowerman 1935-4-26 2921 Contra Costa Mount Diablo. 1159 Comment
  UC691215  Bromus diandrus Mary L. Bowerman 1933-5-8 2005 Contra Costa not far from (but out of sight from) South Entrance (Mount Diablo, Fossil Ridge); Mount Diablo, Fossil Ridge 289 Comment
  UCD58533  Bromus diandrus Beecher Crampton 1956-5-14 3409 Contra Costa Southern boundary of Mt. Diablo State Park. Comment
  CHSC116659  Bromus hordeaceus Lowell Ahart; Josephine Guardino 2016-4-19 20791 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
  POM300689  Bromus hordeaceus Mary L. Bowerman 1933-4-15 1870 Contra Costa Canyon south of Arroyo del Cerro: Rocky knoll 250 feet below spring. Comment
  UC579854  Bromus hordeaceus Annetta Carter 1936-4-19 1117 Contra Costa San Francisco Bay, Red Rock Red Rock; San Francisco Bay, Red Rock Comment
  UC60202  Bromus hordeaceus J. B. Davy 1898-1 Contra Costa Mount Diablo Region, Danville Danville; Mount Diablo Region, Danville Comment
  UC697134  Bromus hordeaceus Mary L. Bowerman 1931-4-4 644 Contra Costa Mount Diablo, West Raod, about 1 mi from entrance Mount Diablo; , West Raod Comment
  UC697215  Bromus hordeaceus Mary L. Bowerman 1931-4-18 732 Contra Costa Mount Diablo, Sycamore Canyon Sycamore Canyon; Mount Diablo, Sycamore Canyon 365 Comment
  UCD58623  Bromus hordeaceus Katharine Brandegee 1916-5-8 s.n. Contra Costa Byron Springs. Comment
  UCD58641  Bromus hordeaceus Beecher Crampton 1956-5-14 3417 Contra Costa 1/2 mile northwest of Martinez. Road to Crockett. Comment
  SEINET3246736  Bromus hordeaceus Horace P. Miller 1986-1 9 -690 Contra Costa Lafayette Comment
  UC691134  Bromus laevipes Mary L. Bowerman 1933-6-7 2264 Contra Costa Mount Diablo, between Meridian and North Peaks Mount Diablo Comment
  CAS-BOT-BC162451  Bromus laevipes Leon E. Pavlick; L. R. Abrams 1921-5-25 8041 Contra Costa At spring 4.25 miles from summit of Mount Diablo. Comment
  CAS-BOT-BC162354  Bromus madritensis Mary L. Bowerman 1932-4-27 1371 Contra Costa Mount Diablo. Oyster RIdge, south face, canyon west of Riggs Canyon. 289 Comment
  CAS-BOT-BC162356  Bromus madritensis Mary L. Bowerman 1935-5-22 3037 Contra Costa Mount Diablo. Eagle Point Ridge, canyon at north end which heads into saddle west of Twin Peaks. 304 Comment
  UC691208  Bromus madritensis subsp. madritensis M. L. Bowerman 1932-4-27 1382 Contra Costa S face, canyon W of Riggs Canyon Oyster ridge 335 Comment
  UC691209  Bromus madritensis subsp. madritensis Mary L. Bowerman 1935-5-16 2986 Contra Costa Mount Diablo, Russelman Park Russelman Park; Mount Diablo, Russelman Park 381 Comment
  UC692342  Bromus madritensis subsp. rubens Mary L. Bowerman 1931-4-18 731 Contra Costa Mount Diablo, Sycamore Canyon Sycamore Canyon; Mount Diablo, Sycamore Canyon 365 Comment
  UC692345  Bromus madritensis subsp. rubens Mary L. Bowerman 1933-3-18 1751 Contra Costa Mount Diablo, Meridian Peak, (a little east of the meridian) Meridian Peak; Mount Diablo, Meridian Peak 548 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
  POM300681  Bromus rubens Mary L. Bowerman 1931-5-7 817 Contra Costa Mount Diablo; Northeast slope between summit and North Peak saddle. Comment
  UCD59633  Bromus rubens A. A. Beetle 1942-3-22 2930 Contra Costa Taber Island. Small island off SW side of Brooks Island in San Francisco Bay. Comment
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Aug 20 2011
  POM300687  Bromus rubens Mary L. Bowerman 1933-3-18 1751 Contra Costa Mt. Diablo below the chaparral belt, a little east of the meridian 549 Comment
  RSA720800  Bromus tectorum Mary L. Bowerman 1978-5-26 s.n. Contra Costa Mount Diablo. N of Lower Summit parking lot. Comment
  POM257267  Calamagrostis rubescens Virginia Long 1933-6-14 222 a Contra Costa Mt. Diablo. Inner Black Hills. Comment
  UC765774  Calandrinia breweri R. F. Hoover 1939-4-13 4019 Contra Costa head west branch Markley Canyon Comment
  CAS-BOT-BC438369  Calandrinia ciliata Alice Eastwood 1914-3-14 3809 Contra Costa Byron Springs Comment
  JEPS112033  Calandrinia ciliata D. G. Kelch 2003-3-21 03 .71 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 40 Comment
  JEPS112038  Calandrinia ciliata D. G. Kelch 2004-3-5 04 .5 Contra Costa Martinez - Rankin Open Space Rankin Park, Martinez 56 Comment
  CDA6852  Calendula arvensis D. G. Kelch, A. G. Murdock 2005-3-11 5 .04 Contra Costa Carquinez Strait Region; McEwen Road. Carquinez Shoreline EBRP. West of Martinez Highschool. Comment
  UCD84952  California macrophylla Chuck Hughes 2010-3-31 224 Contra Costa About 0.3 mile north of Vasco Road. 357 Comment
  UC1795791  Callitriche heterophylla var. bolanderi Barbara Ertter, Mary Bowerman et al. 1995-5-7 14034 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, in water of pond west of road in grassy flat. Comment
  JEPS102906  Calochortus albus Barbara Ertter with John Ginochio 2002-6-1 17938 Contra Costa Arroyo del Cerro on NW side of mountain, above connector road between Government Road and Olofson Homestead Mount Diablo Comment
  UC3357  Calochortus albus W. H. Brewer 1862-5-24 1157 Contra Costa se of Mt. Diablo Comment
  CAS-BOT-BC492125  Calochortus amabilis I. Williams 1920-4-29 s.n. Contra Costa Mount Diablo Comment
  UC2028218  Calochortus argillosus Barbara Ertter with Christopher Baysdorfer 1998-5-10 16128 Contra Costa West-center Lime Ridge Open Space northwest of Mount Diablo. Comment
  UC2028368  Calochortus argillosus Barbara Ertter 1998-6-20 16249 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, Gypsy Ridge SW of Old Borges Ranch Comment
  UC2029142  Calochortus argillosus Barbara Ertter with Alan Prather 2003-6-7 18193 Contra Costa Morgan Territory Regional Preserve east of Mount Diablo, Valley View Trail at NE corner of park. Comment
  CAS-BOT-BC132493  Calochortus pulchellus D. E. Breedlove 1970-4-18 17425 Contra Costa At the north edge of Lafayette above Laurel Drive 243 Comment
  CAS-BOT-BC132504  Calochortus pulchellus Alice Eastwood 1923-5-4 11728 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC132506  Calochortus pulchellus John Thomas Howell 1940-4-21 15397 Contra Costa Pine Canyon, Mt. Diablo Comment
  JEPS125942  Calochortus pulchellus D. W. Taylor 2001-4-26 17627 Contra Costa Black Diamond Mines Regional Preserve; 1 mile SSW of Nortonville (site); growing on access road to PG&E electrical transmission lines. Comment
  LA22451  Calochortus pulchellus Carl Purdy; 1899-5-15 sn Contra Costa Mt. Diablo Comment
  OBI21346  Calochortus pulchellus Robert F. Hoover 1968-5-16 11092 Contra Costa Upper Marsh Creek Comment
  SBBG57749  Calochortus pulchellus M. N. Ackley -Apr-1930 641 Contra Costa Mt Diablo Comment
  CAS-BOT-BC132499  Calochortus pulchellus W. W. Carruth 1900-4-1 s.n. Contra Costa Lafayette 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
  CAS-BOT-BC483487  Calochortus splendens Mary L. Bowerman 1931-5-23 898 Contra Costa Oyster Pont Ridge Comment
  RSA757049  Calochortus umbellatus Rudolf Schmid 1997-4-8 1997 -2 Contra Costa Hillside Natural Area, El Cerrito; southwest of Kent Drive- Regency Ct. entrance, north side of junction of the two main fire roads 145 Comment
  HSC104417  Calystegia David Gowen 2005-5-14 333 Contra Costa Mt. Diablo State Park; north slope below summit of Oyster Ridge. Comment
  CAS-BOT-BC224749  Calystegia malacophylla subsp. pedicellata Alice Eastwood 1915-5-30 4538 Contra Costa Mt. Diablo Comment
  UC2028302  Calystegia malacophylla subsp. pedicellata Barbara Ertter, Susan D'Alcamo 1998-6-12 16189 Contra Costa North Peak Trail south of Prospectors Gap on east side of Mount Diablo summit. Comment
  CAS-BOT-BC418632  Calystegia sepium subsp. limnophila R. K. Brummitt; B. Ertter 2012-6-16 22059 Contra Costa Antioch, beside Plaza, at water's edge at upper end of Suisun Bay Comment
  CDA41299  Calystegia sepium subsp. limnophila G. F. Hrusa, D. Crowe, R. York 1998-7-17 14728 Contra Costa Sacramento Delta; Betw. Dow Ecological Reserve and San Joaquin R. Sheet 2 of 2. Comment
  RSA710249  Calystegia subacaulis R. K. Brummitt, Barbara Ertter, N. A. Brummitt 1998-5-6 19788 Contra Costa Mt. Diablo. NE side, Donner Track. 400 Comment
  HSC104419  Calystegia subacaulis David Gowen 2005-5-29 402 Contra Costa West of Morgan Territory Rd. and the main entrance to Morgan Territory Regional Preserve; north of summit of hill 2581 (Tassajara Pk.?) Comment
  UC764489  Calystegia subacaulis subsp. subacaulis R. F. Hoover 1939-4-25 4059 Contra Costa Richmond Hills Comment
  RSA135413  Camissonia campestris subsp. campestris Volney Rattan 1879-1 s.n. Contra Costa Antioch Comment
  UC1084506  Camissonia campestris subsp. campestris G. Thomas Robbins 1940-5-19 328 Contra Costa e Antioch (slope above river); San Joaquin River Comment
  UC140592  Camissonia campestris subsp. campestris C. F. Baker 1903-4-28 2807 Contra Costa in sandhills Antioch Comment
  UC1301105  Camissonia contorta Helen K. Sharsmith 1963-4-7 5293 Contra Costa abandoned orchard near Oakley (s of Antioch); San Francisco Bay Region 15 Comment
  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
  POM257269  Camissonia micrantha H. L. Mason 1929-3-31 5160 Contra Costa Along San Joaquin River Comment
  RSA186560  Camissonia micrantha Peter H. Raven 1963-3-29 18143 Contra Costa About 1 mile south of Oakley on State Highway 4 at junction of Brownstone Road Comment
  SEINET12189053  Camissonia strigulosa L. S. Rose 1938-1 38223 Contra Costa Antioch 15 Comment
  JEPS44361  Camissoniopsis intermedia W. L. Jepson 1921-11-19 9520 Contra Costa Mt. Diablo Comment
  UC635407  Camissoniopsis intermedia H. L. Mason 1929-3-15 5048 Contra Costa Nortonville Comment
  UC874075  Camissoniopsis intermedia Lewis S. Rose 1941-5-15 41229 Contra Costa w. slope Mt. Diablo 274 Comment
  UC140387  Camissoniopsis micrantha C. F. Baker 1903-4-25 2808 Contra Costa sandhills Antioch Comment
  UC1051115  Campanula bononiensis N. Floy Bracelin 1943-9-5 2498 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  CAS-BOT-BC266437  Campanula exigua Alice Eastwood 1921-6-11 s.n. Contra Costa Mount Diablo summit Comment
  UC29002  Campanula exigua Edw. L. Greene 1892-6-20 Contra Costa Mount Diablo Comment
  SEINET10461956  Campanula exigua Joseph W. Congdon 1896-5-30 Congdon s.n. Contra Costa Summit of Diablo Comment
  JEPS111861  Capsella bursa-pastoris D. G. Kelch 2004-3-12 04 .27 Contra Costa Pinole Valley Hillside and canyon above Wright Road. Off of Pinole Valley Road 220 Comment
  CAS-BOT-BC37391  Cardamine californica Alice Eastwood 1923-5-4 s.n. Contra Costa Mount Diablo. Comment
  CAS-BOT-BC37395  Cardamine californica Robert Francis Hoover 1938-2-21 2754 Contra Costa Point Richmond. Comment
  CDA37281  Cardamine californica D. G. Kelch 2011-3-31 11 .074 Contra Costa Carquinez Strait Region; Richmond, near Point Pinole Regional Park. Comment
  UC762890  Cardamine californica R. F. Hoover 1938-2-21 2751 Contra Costa Marsh Creek Comment
  LA204280  Cardamine californica John Thomas Howell; 1931-3-10 5757 Contra Costa Mt. Diablo, 7 miles from Clayton on Livermore road Comment
  RSA272927  Cardamine californica var. integrifolia Lyman Benson 1935-3-16 6263 Contra Costa Mt. Diablo, Watershed: Walnut Creek; Mountain Range: Mt. Diablo. 915 Comment
  UCR17092  Cardamine oligosperma James K. Ryan 1969-3-31 46 Contra Costa Mt. Diablo State Park, Horseshoe Picnic Area, very close to area entrance 610 Comment
  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
  CDA40557  Cardaria chalepensis V. Guise & B. Slate 2014-4-8 PDR# 070 P06223871 Contra Costa Clayton; 11501 Marsh Creek Road, 0.5 mile east of Morgan Territory Road, East Bay Regional Park District property. 0 Comment
  CDA40558  Cardaria chalepensis V. Guise & B. Slate 2014-4-3 PDR# 070 P06223872 Contra Costa Concord; end of Crystal Ranch Road, Save Mt. Diablo property. 0 Comment
  CDA40559  Cardaria chalepensis V. Guise & B. Slate 2014-4-8 PDR# 070 P06223870 Contra Costa Concord; west side of Crystal Ranch Road, 100 yards south of Ygnacio Valley Road, City of Concord property. 0 Comment
  CDA3651  Cardaria draba D. G. Kelch, A. G. Murdock 2005-3-25 5 .092 Contra Costa Carquinez Strait Region; Fernandez Ranch. West of Christie Road, south of I-4 (behind golf course) and north of Pinole Peak. Comment
  CAS-BOT-BC281804  Carduus tenuiflorus David Keck 1941-6-5 5312 Contra Costa Berkeley Hills, Fish Creek Rd, 0.25 mile W of E portal of Broadway Tunnel 335 Comment
  CAS-BOT-BC281806  Carduus tenuiflorus Mary L. Bowerman 1934-6-9 2547 Contra Costa Mount Diablo. South Road, bend by Diablo Trail sign reading 4.4 miles to summit: Roadside 304 Comment
  UC2028216  Carduus tenuiflorus Barbara Ertter with Christopher Baysdorfer 1998-5-10 16130 Contra Costa West-center Lime Ridge Open Space northwest of Mount Diablo. Comment
  POM300641  Carex barbarae Mary L. Bowerman 1935-9-13 3344 Contra Costa Mount Diablo: Frog Pond, at head of Frog Pond Spring. Comment
  UC691964  Carex densa Mary L. Bowerman 1935-5-16 3001 Contra Costa Russelman Park road at Gregory Ranch junction Mount Diablo 289 Comment
  CAS-BOT-BC34930  Carex densa Mary L. Bowerman 1934-4-21 2531 Contra Costa Mount Diablo. Canyon Nook at junction of North and South Roads. Comment
  JEPS105721  Carex densa David Gowen 2004-9-13 161 Contra Costa Mt. Diablo State Park. Johnny Walker Spring, which is ca. .2 mile above the junction of Angel Kerley Rd. (fire trail) and North Gate Rd., approx. 2200' elev. 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
  RSA720799  Carex nudata Mary L. Bowerman 1977-04 s.n. Contra Costa Mount Diablo. Sycamore Creek canyon. 244 Comment
  UC1949083  Carex pendula Barbara Ertter with Jim Dunne, David Gowen, Lech Naumovich 2009-12-3 19797 Contra Costa at upper (south) end of San Pablo Dam Reservoir northwest of Orinda 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
  CAS-BOT-BC117548  Carex serratodens Lewis Samuel Rose 1935-5-16 35163 Contra Costa Mt. Diablo. Comment
  UC8054  Carex subbracteata Brewer 1862-4-30 1012 Contra Costa Walnut Creek Comment
  JEPS119399  Carex tumulicola J. Greenhouse with A. Doran, D. Kelch, H. Bartosh, J. Game, et al. 2012-3-20 5142 Contra Costa Brooks Island Comment
  JEPS74803  Castilleja L. R. Heckard, T. I. Chuang and R. C. Bacigalupi 1975-5-7 4011 Contra Costa ca 0.5 mi e Pinole (just e of Interstate 80, along main route of Santa Fe RR) Comment
  LA209091  Castilleja affinis Mrs. H. P. Bracelin; 1933-6-10 768 Contra Costa Near crest of hills N of Berkeley above Kensington Comment
  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
  UC1039781  Castilleja affinis subsp. affinis H. L. Mason 1928-4-29 4438 Contra Costa Mount Diablo Comment
  UC27147  Castilleja attenuata H. M. Hall 1901-4-5 Contra Costa Mt. Diablo; San Francisco Bay Region 640 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
  UC54724  Castilleja densiflora subsp. densiflora J. P. Tracy 1903-4-18 1806 Contra Costa e slope beyond Bald Peak (hills near Berkeley); San Francisco Bay Region 304 Comment
  CDA15239  Castilleja exserta G. F. Hrusa, D. Crowe 1998-5-8 14370 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg near shore of San Joaquin River. Comment
  CHSC21620  Castilleja exserta Willis Ball 1974-4-21 425 Contra Costa In area #7. Immediately to the w side of Contra Loma Blvd. ca. 400 yds s of the main boat ramp. Contra Loma Regional Park. 45 Comment
  JEPS15607  Castilleja exserta subsp. exserta R. Bacigalupi and G. Thomas Robbins 1955-5-4 4972 Contra Costa e outskirts Concord (field along Treat Lane, in Clayton Valley); Clayton Valley, Concord 60 Comment
  UC27243  Castilleja exserta subsp. exserta H. P. Chandler 1900-3-24 Contra Costa Briones Hills; Mount Diablo Region Comment
  UC27266  Castilleja exserta subsp. exserta State Survey 1117 Contra Costa near Clayton; Kirker Pass Summit Comment
  JEPS100148  Castilleja foliolosa G. Smick 2003-2-20 GAS 48 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS84387  Castilleja foliolosa Roxanne L. Bittman 1977-3-29 28 Contra Costa ca 3 from base on n side Mount Diablo (Scenic Road) 762 Comment
  UCD122505  Castilleja foliolosa P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  CHSC24923  Castilleja subinclusa subsp. franciscana M. A> Callahan 1976-4-11 6 Contra Costa 120 m ne of house at 1976 Mohawk Dr. Pleasant Hill on w slope. 132 Comment
  JEPS57132  Castilleja subinclusa subsp. franciscana L. R. Heckard 1967-5-7 1596 Contra Costa w (above) Wildcat Canyon (along Ridgeway Lane, just off Terrace Drive, El Cerrito); El Cerrito 259 Comment
  CAS-BOT-BC41039  Caulanthus flavescens Reed Clark Rollins 1946-3-25 3046 Contra Costa Western slope of Mount Diablo. Comment
  UCD114675  Caulanthus lasiophyllus P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  SEINET3292741 Image available Ceanothus Craig Davis 1970-7-8 D- 168 Contra Costa Growing along roadcut in open areas under power lines on Manzanita Drive in Oakland Hills, in shallow sandy soil. 427 Comment
  CAS-BOT-BC48837  Ceanothus cuneatus Mary L. Bowerman 1932-9-3 1531 Contra Costa Muir Area: Burn (1931) Comment
  RSA15450  Ceanothus cuneatus Alice Eastwood, John T. Howell 1936-4-19 s.n. Contra Costa Nortonville. Comment
  UCD111751  Ceanothus cuneatus P. B. Kennedy 1916-5-31 s.n. Contra Costa between Diablo and summit. Comment
  UC480608  Ceanothus cuneatus var. cuneatus Carl Meyer 1928-2-22 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC49716  Ceanothus cuneatus var. rigidus Brandegee 93 Contra Costa Nortonville Comment
  CAS-BOT-BC51496  Ceanothus oliganthus var. sorediatus Mary L. Bowerman 1930-6-22 365 Contra Costa Mitchell Canyon: North slope 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
  JEPS42148  Ceanothus thyrsiflorus W. L. Jepson 1922-5-11 9634 Contra Costa North Berkeley Hills Comment
  UCD129962  Centaurea benedicta Collector Unknown Date Unknown s.n. Contra Costa Southwest of Kelseyville. Comment
  CDA7090  Centaurea calcitrapa T. C. Fuller 1961-9-13 7000 Contra Costa Highway J4, ca. 4 miles southeast of Byron. 0 Comment
  UC1795799  Centaurea melitensis Barbara Ertter, Mary L. Bowerman 1994-6-19 12844 Contra Costa Mt. Diablo State Park east of Walnut Creek; Muir Picnic Area on Summit Road, 1005 Comment
  CAS-BOT-BC277052  Centaurea melitensis Alice Eastwood 1921-4-11 10239 Contra Costa Antioch Comment
  UC691370  Centaurea melitensis Mary L. Bowerman 1932-11-19 1661 Contra Costa little below junction of pipes from no. 3 and no. 4 club springs Mountain Springs Canyon (Stachys Spring); Mount Diablo, , Stachys Spring Comment
  RSA666408  Centaurea repens Bob Case 2001-10-2 s.n. Contra Costa Southeast Pleasant Hill, East Bay Municipal Utilities District right-of-way on West Hookston Road Comment
  RSA351522  Centaurea solstitialis B. C. Templeton 1962-6-20 s.n. Contra Costa Mount Diablo Comment
  CAS-BOT-BC284464  Centaurea solstitialis Walter Knight; Wayne Roderick; Steve Edwards; Bob Doyle 1978-9-19 3249 Contra Costa Browns Island, Alder Point Comment
  UC2028266  Centaurium davyi Barbara Ertter 1999-6-12 16714 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
  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
  UC1050884  Centranthus ruber N. Floy Bracelin 1942-5-17 1288 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  CAS-BOT-BC288545  Centromadia fitchii James I. McMurphy 1908-10-18 s.n. Contra Costa Antioch Comment
  UC1076270  Centromadia fitchii Herbert L. Mason 1929-9-21 5433 Contra Costa 3 mi above Clayton (Marsh Creek Road) Comment
  UC691498  Centromadia fitchii Mary L. Bowerman 1935-9-13 3340 Contra Costa margin Hidden Pond Mount Diablo, Hidden Pond Comment
  UC2028098  Centromadia fitchii Barbara Ertter, Chris Thayer 1996-10-25 15375 Contra Costa West side of Mount Diablo, North Gate Road 0.8 road miles NW of Burma Road, spring area with abundant Distichlis, on tributary of Little Pine Creek. Comment
  UCD19693  Centromadia pungens Donald W. Kyhos 1963-4-11 s.n. Contra Costa 3.6 miles south of Byron Hwy and Byron Hot Springs Rd. Comment
  JEPS35034  Centromadia pungens subsp. pungens W. L. Jepson 1895-9-14 Contra Costa Walnut Creek Comment
  UC523551  Centromadia pungens subsp. pungens David D. Keck 1933-11-2 2613 Contra Costa 3 mi s Martinez (on road to Pacheco) Comment
  UC89012  Centromadia pungens subsp. pungens Mrs. K. Curran May 1883 Contra Costa Babbs Landing Comment
  UC1606353  Cephalanthus occidentalis var. californicus Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, and Amy Hiss 1991-8-18 10692 Contra Costa n of Pittsburg (Browns Island, near confluence of Sacramento River and San Joaquin River, opposite Pittsburg Marina); Browns Island Comment
  UC692408  Cerastium glomeratum Mary L. Bowerman 1931-3-7 545 Contra Costa Mt. Diablo, Sheep Camp Spring Comment
  UC2028161  Cerastium glomeratum Barbara Ertter 1998-4-4 15947 Contra Costa Shell Ridge Open Space northwest of Mount Diablo, SE of Indian Valley School. Comment
  UC1618283  Ceratophyllum demersum Barbara Ertter, Lynne Hosley 1991-9-22 10823 Contra Costa in hills sw of Lafayette (Lafayette Reservoir, at e end of dam); Lafayette Reservoir 137 Comment
  UC691101  Cercocarpus betuloides var. betuloides Mary L. Bowerman 1931-4-25 Contra Costa summit of Meridian Peak (Mount Diablo); , Meridian Peak Comment
  JEPS103081  Cestrum parqui Marck Menke 1998-12-25 30 Contra Costa S of Martinez (along upper Alhambra Creek beside Alhambra Creek Trail); Briones Regional Park Comment
  CAS-BOT-BC284222  Chaenactis glabriuscula var. megacephala Alice Eastwood 1914-3-17 3799 Contra Costa Byron Springs Comment
  UC692715  Chamaesyce ocellata Mary L. Bowerman 1932-8-27 1517 Contra Costa between Turtle Rock and pond to the south Comment
  JEPS111947  Chamaesyce serpens A. G. Murdock 2004-5-28 306 -B Contra Costa Luzon 60 Comment
  JEPS79597  Cheilanthes intertexta Edward Lee 1978-12-20 Contra Costa Mt. Diablo Comment
  UC2012997  Chenopodium ambrosioides Barbara Ertter with Mary Bowerman, Lisa Schultheis 1996-7-5 14925 Contra Costa Northwest base of Mount Diablo, access to Foothills Regional Park from North Gate Road along Little Pine Creek. Comment
  UC630416  Chenopodium berlandieri Paule Guiget and Annetta Carter 1939-8-13 1453 Contra Costa Treat Ave. se Concord 53 Comment
  UC1199816  Chenopodium californicum Herbert L. Mason 1929-3-31 5158 Contra Costa Antioch Sacramento River Comment
  UC7298  Chenopodium californicum State Survey 1065 Contra Costa Comment
Read comments
Aug 16 2013
  CDA3133  Chenopodium vulvaria D. G. Kelch, A. G. Murdock 2005-7-11 5 .459 Contra Costa Carquinez Strait Region; Crockett - Edwards Canyon. Edwards Creek Staging Area. Comment
  UC52583  Chorizanthe membranacea State Survey 1862-5-17 1104 Contra Costa n Mt. Diablo; n of Mt. Diablo Comment
  JEPS38084  Chrysolepis chrysophylla var. minor W. L. Jepson 1943-10-13 27500 Contra Costa Moraga Ridge Comment
  UC35435  Cicendia quadrangularis J. Burtt Davy 1900-3-24 7616 Contra Costa Pt. Richmond Comment
  UC691835  Cicendia quadrangularis Mary L. Bowerman 1942-5-24 3842 Contra Costa Fossil Ridge Mount Diablo (lower Rock City Camp) 457 Comment
  UC2070471  Cicendia quadrangularis Barbara Ertter with Kevin Hintsa et al. 2003-4-20 18149 Contra Costa Diablo Foothills Regional Park on west base of Mount Diablo, south end of trail along west edge of Castle Rock Recreation Area Comment
  UC1789151  Cinnamomum camphora Barbara Ertter 2001-5-26 17653 Contra Costa Stamm Unit of Antioch Dunes National Wildlife Refuge east of Antioch, two young individuals at base of river bank. Comment
  CAS-BOT-BC277975  Cirsium cymosum John Thomas Howell 1942-7-19 17039 Contra Costa Near Rock City, Mt. Diablo Comment
  UC2028393  Cirsium cymosum Barbara Ertter with Richard K. Brummitt 1998-5-13 16135 Contra Costa Black Diamond Mines Regional Preserve in hills south of Pittsburg, west side of ridge in Lougher Loop Trail, S-facing grassy slope Comment
  UC2070512  Cirsium cymosum Barbara Ertter with Mike Park, David Gowen 2004-7-17 18442 Contra Costa North side Mount Diablo, west of Twin Peaks. Comment
  UCD130639  Cirsium occidentale var. californicum P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  CDA42427  Cirsium vulgare D. G. Kelch, Vince Guise 2012-7-26 12 .235 Contra Costa El Sobrante; Circle Dr. Comment
  UCSC006991  Clarkia Randall Morgan 1988-4-29 1150 Contra Costa NW slope of Turn Peaks, Mt. Diablo Comment
  CAS-BOT-BC162564  Clarkia affinis Mary L. Bowerman 1935-5-22 3041 Contra Costa Eagle Point Ridge, canyon at north end which heads into saddle west of Twin Peaks - Mount Diablo 304 Comment
  CAS-BOT-BC162566  Clarkia affinis Alice Eastwood 1923-5-4 11734 Contra Costa Mt. Diablo Comment
  UC692491  Clarkia affinis Mary L. Bowerman 1933-6-14 2271 Contra Costa ridge between two main forks Curry Cave Canyon; Mount Diablo Comment
  UC1143226  Clarkia affinis H. Lewis and C. Epling 1947-5-2 196 Contra Costa 1 mi w Curry Creek Park Road (Marsh Creek Road) Comment
  UC2028167  Clarkia affinis Barbara Ertter 1998-5-3 16077 Contra Costa Wall Point Ridge on southwest flank of Mount Diablo, near Wall Point. Comment
  UC2028174  Clarkia affinis Barbara Ertter 1998-5-3 16048 Contra Costa Turtle Rock ponds along Barbeque Terrace road in upper Pine Canyon, southwest flank of Mount Diablo. Comment
  UC2028318  Clarkia affinis Barbara Ertter, Susan D'Alcamo 1998-6-12 16159 Contra Costa North Gate Road on west flank of Mount Diablo, ca 1/2 mile below upper Turtle Rock Ranch buildings. 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
  UC2070449  Clarkia affinis Barbara Ertter with Steve Matson 2003-5-31 18179 Contra Costa Black Diamond Mines Regional Preserve south of Pittsburg, Coal Canyon. Comment
  UC306514  Clarkia biloba A. D. E. Elmer May, 1903 4319 Contra Costa Mount Diablo Comment
  UC85545  Clarkia biloba Katharine Brandegee 1907-7-4 Contra Costa banks between Martinez and Port Costa Comment
  CAS-BOT-BC164156  Clarkia concinna A. D. E. Elmer 1903-5-1 4336 Contra Costa Mount Diablo Comment
  LA45413  Clarkia concinna Joseph Andorfer Ewan; 1934-5-20 8932 Contra Costa Mt. Diablo, Russelmann Park Comment
  SD69962  Clarkia concinna Darley Howe 1968-5-20 4518 Contra Costa 5.6 miles north of Contra Costa, Alameda County Line on Morgan Territory road. Comment
  UC2062660  Clarkia concinna Barbara Ertter with John Ginochio 2002-6-1 17939 Contra Costa Ginochio Ranch in Arroyo del Cerro NW side of Mount Diablo, connector road between Government Road and Olofson Homestead. Comment
  UC692496  Clarkia concinna subsp. concinna Mary L. Bowerman 1930-6-5 241 Contra Costa ca. 5 1/2 mi from North Gate (North Road); Mount Diablo 457 Comment
  POM257244  Clarkia purpurea subsp. purpurea H. L. Mason 1928-4-26 4379 Contra Costa Around Berkeley and Oakland. Comment
  CAS-BOT-BC163665  Clarkia purpurea subsp. quadrivulnera Mary L. Bowerman 1931-5-16 855 Contra Costa Mount Diablo. Summit Comment
  CAS-BOT-BC163670  Clarkia purpurea subsp. quadrivulnera Mrs. E. C. Sutliffe 1920-5-30 s.n. Contra Costa Mt. Diablo Comment
  CDA33413  Clarkia purpurea subsp. quadrivulnera D. G. Kelch, D. A. Weinstein 2011-5-28 11 .539 Contra Costa Carquinez Strait Region.; W of Martinez. N of end of Hillside Pl. Comment
  RSA448290  Clarkia purpurea subsp. quadrivulnera Bonnie C. Templeton 1962-6-10 s.n. Contra Costa Mt Diablo. Comment
  UC697197  Clarkia purpurea subsp. quadrivulnera Mary L. Bowerman 1931-5-13 843 Contra Costa 1 mi from Sulphur Spring; Mount Diablo, Pine Canyon 167 Comment
  CAS-BOT-BC172365  Clarkia purpurea subsp. viminea Paul F. Covel 1940-5-12 1743 Contra Costa Summit of Mt. Diablo Comment
  CAS-BOT-BC165038  Clarkia rubicunda Peter H. Raven 1957-6-20 10950 Contra Costa Hillside at Inspiration Point, east end of Tilden Regional Park 365 Comment
  JEPS75480  Clarkia rubicunda P. F. Yorks 1975-7-18 473 Contra Costa n of Briones Reservoir (ca 1.9-2.0 km s of Bear Creek Road on Hampton Road in Hampton Road Natural Reserve); Hampton Road Natural Reserve Comment
  UC1279898  Clarkia rubicunda Peter H. Raven 1957-6-20 10950 Contra Costa e end Tilden Regional Park (hillside at Inspiration Point) Comment
  CAS-BOT-BC165036  Clarkia rubicunda Rimo Bacigalupi s.n. Contra Costa Head of Bear Creek Valley, northern Contra Costa Co. Comment
  UC2012964  Clarkia rubicunda Barbara Ertter with Travis Columbus 1990-6-10 9103 Contra Costa NE corner of Briones Regional Paark, Briones Hills W of Pleasant Hill, jct of Briones Crest and Table Top trails E of Briones Peak. Comment
  CAS-BOT-BC165452  Clarkia unguiculata Alice Eastwood 1922-3-17 11078 Contra Costa Mt. Diablo Comment
  CHSC27728  Clarkia unguiculata Coleta Lawler 1978-6-23 296 Contra Costa West of Concord on Alhambra Valley Road, 0.7 miles east of Bear Creek Road; roadcut. Comment
  UC2028063  Claytonia exigua subsp. exigua Barbara Ertter, Tony Morosco 1998-4-12 16011 Contra Costa Mount Olympia on north side of Mount Diablo, East Trail along ridge NE of summit Comment
  UC692661  Claytonia exigua subsp. glauca Mary L. Bowerman 1932-3-6 1098 Contra Costa near Black Hawk Ridge saddle; Mount Diablo Comment
  JEPS107017  Claytonia gypsophiloides J. Greenhouse with Kevin Hintsa 2004-4-5 5083 Contra Costa Mt. Diablo, Fire Interpretive Trail 1109 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
  RSA0068500  Claytonia parviflora Katie Gallagher, Nick Jensen 2014-4-26 174 Contra Costa Las Trampas Regional Wilderness. 365 Comment
  UC692542  Claytonia parviflora subsp. parviflora Mary L. Bowerman 1932-2-28 1090 Contra Costa ridge e Rhine Canyon (e side about 150 ft above Curry Canyon); Mount Diablo Comment
  UC1795876  Claytonia parviflora subsp. parviflora Barbara Ertter, Brad Olson, Diane Lake 1996-4-14 14590 Contra Costa North Peak of Mt. Diablo; open rocky flats. 1097 Comment
  RSA117676  Claytonia perfoliata S. S. Tillett, I. Sternback 1956-6-23 523 Contra Costa Contra Costa County: Grapevine picnic point, Mt. diablo State Park Comment
  RSA469285  Claytonia perfoliata H. de Forest 1930-4-6 s.n. Contra Costa [Unspecified] Comment
  JEPS112035  Claytonia perfoliata subsp. perfoliata D. G. Kelch 2003-3-21 03 .54 Contra Costa Martinez - West: Ozol Rock and Scenic Drive 40 Comment
  UC1057451  Claytonia perfoliata subsp. perfoliata G. Thomas Robbins 1937-4-25 148 Contra Costa 2 mi e Alamo Comment
  CAS-BOT-BC443654  Claytonia perfoliata subsp. perfoliata Peter H. Raven 1950-3-12 1429 Contra Costa Vaca Canyon 4.5 miles from Martinez 182 Comment
  CAS-BOT-BC91357  Clematis lasiantha V. Rattan 1883-4-1 s.n. Contra Costa Martinez. Comment
  UC545780  Clematis lasiantha Annetta M. Carter 1935-6-1 873 Contra Costa n.w. slope of main peak Mt. Diablo 975 Comment
  SEINET5547635  Clematis ligusticifolia H. S. Gentry 1931-1 57 Contra Costa Collected near Buckle Point, Mount Diablo. Comment
  OBI19648  Cleome hassleriana Harry Morten 1964-10-11 s.n. Contra Costa Lower end of San Joaquin Valley, 5 mi E of Byron Comment
  SEINET12050675  Clintonia andrewsiana W. Knight, Knight, I. 1988-1 6129 Contra Costa Redwood Regional Park, between pipe bridge and single curb bridge along Steam Trail 274 Comment
  SEINET9290098  Clytostoma callistegioides Unknown 2009-6-3 Contra Costa Residence in San Ramon, California. See USCH plant ID files. Plant sent to USCH for identification. Query letter included on specimen. Comment
  JEPS5870  Collinsia bartsiifolia var. bartsiifolia Fred Shoemaker 1938-4-11 Contra Costa 3 mi w Byron Comment
  SEINET10865415  Collinsia concolor John T. Middleton 1936-3-18 Middleton 136 Contra Costa Briones valley. Comment
  UC1733835  Collinsia heterophylla Kay H. Beach 1941-4-30 1079 Contra Costa 5 mi W of Byron; Marsh Creek Road 30 Comment
  UC766264  Collinsia sparsiflora var. collina R. F. Hoover 1938-3-5 2817 Contra Costa mouth of Kirker Creek Canyon Comment
  POM203034  Collinsia sparsiflora var. collina J. T. Howell 1934-4-8 11810 Contra Costa 7 miles from Clayton on road to Livermore. Comment
  UC691583  Collinsia sparsiflora var. collina Mary L. Bowerman 1932-3-6 1101 Contra Costa Sycamore Canyon near mouth Sycamore Canyon, Mount Diablo; Mount Diablo Comment
  JEPS18245  Collinsia sparsiflora var. sparsiflora Peter H. Raven with Mason, Stone, Ornduff, Kuijt 1957-4-11 10618 Contra Costa 2.4 mi s Curry Creek Recreation Ground (on rd to Livermore) Comment
  JEPS6346  Collinsia sparsiflora var. sparsiflora W. L. Jepson 1922-4-16 9599 Contra Costa San Pablo Valley Comment
  RSA138305  Collinsia tinctoria Volney Rattan 1886-06 s.n. Contra Costa Mount Diablo Comment
  UC699678  Collomia heterophylla Basil Bowers 1941-4-12 372 Contra Costa near east end of Moraga Ridge Comment
  UC691884  Conium maculatum Mary L. Bowerman 1935-6-8 3121 Contra Costa Mount Diablo, Muir Area Mount Diablo; , Muir Area Comment
  UCSB12513  Conium maculatum Grah, Nancy 1962-4-14 Contra Costa 0.1 mile on Tappan Lane morth of Tarry Lane, Orinda Comment
  CHSC23350  Convolvulus arvensis Willis Ball 1975-5-20 529 Contra Costa Contra Loma Regional Park. In area #1. At e end of island in center of main parking lot at s end of reservoir. 36 Comment
  CAS-BOT-BC285921  Conyza bonariensis R. E. Frenkel 1963-8-18 261 Contra Costa On Giant Road, 0.4 mile north of ATSF RR crossing, Richmond 15 Comment
  UC2027732  Conyza bonariensis Barbara Ertter 1997-2-16 15462 Contra Costa Shell Ridge Open Space on west flank of Mount Diablo, Deer Lake dam. Comment
  UC691785  Conyza canadensis Mary L. Bowerman 1930-10-4 477 Contra Costa Maple Spring Mount Diablo, Maple Spring 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
  JEPS55940  Cordylanthus nidularius T. I. Chuang and L. R. Heckard, R. Bacigalupi 1968-6-27 6436 Contra Costa 3/4 mi ne of Deer Flat (ne flank of Bald Ridge, Mount Diablo); Mount Diablo, Bald Ridge 670 Comment
  SEINET12269039  Cordylanthus pilosus M. T. Doutt 1930-1 88 Contra Costa Marsh Creek Comment
  JEPS87949  Cordylanthus pilosus subsp. pilosus Barbara Ertter, CNPS 1990-8-19 9623 Contra Costa above Cutter Cove (e side of s end of Briones Reservoir, n of Orinda, along Bear Creek Trail on EBMUD land); Briones Reservoir, Bear Creek Trail 213 Comment
  RSA412332  Cordylanthus pilosus subsp. pilosus L. S. Rose 1941-8-31 41431 Contra Costa Mt. Diablo, Rocky City. Comment
  CAS-BOT-BC287169  Coreopsis stillmanii Brandegee No date on label s.n. Contra Costa Mt Diablo Comment
  UC650584  Cornus sericea subsp. sericea Ira L. Wiggins 1930-4-18 4593 Contra Costa levee banks e. end Jersey Island Comment
  UC407389  Coronopus didymus Ira L. Wiggins 1930-4-18 4595 Contra Costa e end of Jersey Island, Fallow cornfield Jersey Island Comment
  RSA666415  Cortaderia jubata Barbara Ertter 1991-9-28 10854 Contra Costa [El Cerrito.] 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-BC190027  Cortaderia selloana Wm. Anderson 1959-10-1 s.n. Contra Costa On Montezuma Slough near Suisun. Comment
  UC2028111  Cotula australis Barbara Ertter with Christopher Baysdorfer 1998-5-10 16111 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, of Ohlone Trail. Comment
  JEPS111677  Cotula coronopifolia D. G. Kelch 2003-8-13 03 .114 Contra Costa Martinez Marsh 0 Comment
  CDA20616  Crassocephalum crepidioides G. F. Hrusa 2006-1-18 16841 a Contra Costa San Francisco Bay Area; San Pablo at Stanton and San Pablo Ave. 0 Comment
  UC2027987  Crassula tillaea Barbara Ertter 1998-5-3 16033 Contra Costa Pine Ridge summit of Wall Point Road at southwest base of Mount Diablo. Comment
  JEPS117992  Crepis pulchra Zoya Akulova-Barlow 2011-6-13 Contra Costa Between west end of Gladys Street and Kearney Street. Comment
  CDA15282  Cressa truxillensis G. F. Hrusa, D. Crowe, R. York 1998-7-17 14720 Contra Costa Sacramento Delta; E end of Dow Chemical property, Pittsburg. Comment
  UC23230  Cressa truxillensis Jos. Burtt Davy 1900-6-7 6678 Contra Costa Martinez Comment
  UCR115055  Cressa truxillensis G. Fred Hrusa, R. York 1998-7-17 14720 Contra Costa Sacramento-San Joaquin River Delta, E end of Dow Chemical property. 12 Comment
  UC1121528  Crocanthemum scoparium var. vulgare R. W. Lundh Contra Costa San Francisco Quadrangle Comment
  CDA32859  Crypsis schoenoides D. G. Kelch 2010-10-5 10 .421 Contra Costa The Delta; Just east of Antioch bridge. Comment
  JEPS102901  Crypsis schoenoides Barbara Ertter, Chris Thayer 1996-10-25 15360 Contra Costa Little Pine Creek, Diablo Foothills Regional Park Mount Diablo Comment
  RSA0033934  Crypsis schoenoides Barbara Ertter, Chris Thayer 1996-10-25 15360 Contra Costa Northwest flank of Mount Diablo, Northgate Trail along Little Pine Creek between North Gate Road and Diablo Foothills Regional Park. 91 Comment
  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
  UCD59829  Crypsis schoenoides G. F. Hrusa; D. Crowe, R. York 1998-7-17 14718 Contra Costa Sacramento-San Joaquin river delta. East end of Dow Chemical property. 12 Comment
  SEINET10595215  Crypsis schoenoides Barbara J. Ertter 1995-10-22 Ertter 14532 Contra Costa Three Springs Trail on northeast side of Mt. Diablo, south of crest of Marsh Creek Rd. dried roadside pond, clay. Comment
  CAS-BOT-BC190136  Crypsis vaginiflora Walter Knight 1977-7-20 s.n. Contra Costa Briones Ridge, Briones Regional Park. 304 Comment
  RSA0028852  Crypsis vaginiflora Barbara Ertter, Richard K. Rabeler, Tony Morosco 1997-6-10 15659 Contra Costa North base of Mount Diablo, pond on Three Springs Road. Comment
  UC2027971  Crypsis vaginiflora Barbara Ertter with Richard Rabeler, Tony Morosco 1997-6-10 15659 Contra Costa North base of Mount Diablo, pond on Three Springs Road. Comment
  CAS-BOT-BC189243  Cryptantha Alice Eastwood 1915-5-30 4539 Contra Costa Mount Diablo Comment
  UC691350  Cryptantha clevelandii Mary L. Bowerman 1933-5-18 2129 Contra Costa Southwest of Blackberry Spring Comment
  UC1795800  Cryptantha torreyana Barbara Ertter, Mary L. Bowerman 1994-6-19 12846 a Contra Costa Mt. Diablo State Park east of Walnut Creek; lower Summit Parking Lot, opening on North side, 1127 Comment
  UCR51833  Cuscuta californica P. A. Munz 1947-10-8 12200 Contra Costa Dunes near Antioch 8 Comment
  RSA39871  Cuscuta californica P. A. Munz 1937-10-8 12200 Contra Costa near Antioch 8 Comment
  CDA33504  Cuscuta japonica R. Fonseca 2008-10-27 PDR# 1455391 Contra Costa Rodeo; 2 California St. 0 Comment
  CDA33660  Cuscuta japonica Yost/Fonseca 2008-8-7 PDR# 14544449 Contra Costa Richmond; 101 Marcus Ave. 0 Comment
  RSA0029362  Cuscuta subinclusa Barbara Ertter, Mary L. Bowerman 1996-11-1 15409 Contra Costa North base of Mount Diablo, south end of Hetherington Trail at Donner Creek crossing. Comment
  UC1050005  Cydonia oblonga N. Floy Bracelin 1942-4-5 2012 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California 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
  CAS-BOT-BC299744  Cynara cardunculus John Thomas Howell 1953-3-15 28922 Contra Costa Danville Comment
  UCSB21184  Cynoglossum grande Jones, D. 1967-3-25 Contra Costa Mt. Diablo State Park 475 Comment
  SEINET190455  Cyperus eragrostis Thomas Morley 1940-12-3 90 Contra Costa Banks at upper end of San Leandro Lake near mouth of Redwood Creek. 130 Comment
  UC698543  Cyperus eragrostis Thomas Morley 1940-11-21 84 Contra Costa at upper end where Redwood Creek enters the lake San Leandro Lake 129 Comment
  SEINET10869432  Cyperus eragrostis Thomas Morley 1940-12-3 Morley 90 Contra Costa Coarse perennial one to three feet high, in dense masses, associated with Salix, typha, polypogon in fine rich moist soil, banks at upper end of san Leandro lake near mouth of redwood creek 130 Comment
  UC2028425  Cyperus esculentus Barbara Ertter 1996-9-19 15293 Contra Costa Antioch Marina Comment
  UCD150887  Cyperus esculentus James A. Neilson Jr. 1972-11-2 3615 Contra Costa Walnut Creek drainage. Elevation estimated using Google Earth by label maker. 1 Comment
  UC691967  Cyperus niger Mary L. Bowerman 1932-11-11 1640 Contra Costa Mt. Diablo, Lower Moses Rock Spring Comment
  CDA42439  Cystopteris fragilis D. G. Kelch, Daniel Weinstein 2013-2-23 13 .013 Contra Costa Carquinez Strait; Muir Land Trust Property at Fernandez Ranch; SW Christie Rd. Comment
  UC692112  Cystopteris fragilis Mary L. Bowerman 1933-5-21 2156 Contra Costa above Grape Spring gully Sulphur Spring Canyon; Mt. Diablo Comment
  CDA42428  Cytisus striatus D. G. Kelch, Vince Guise 2012-7-26 12 .236 Contra Costa Wildcat Canyon Park, Alvarado Unit. Comment
  UC692666  Datisca glomerata Mary L. Bowerman 1933-6-21 2336 Contra Costa Mount Diablo, Donner Canyon Donner Canyon; Mount Diablo, Donner Canyon 335 Comment
  UC2029145  Datura stramonium Barbara Ertter 1999-8-21 16790 Contra Costa Lower Mitchell Canyon Road on NW base of Mount Diablo. Comment
  CDA29514  Daucus pusillus D. G. Kelch, Troy MacGregor 2009-5-1 9 .275 Contra Costa Carquinez Strait; Franklin Ridge. Fernandez Ranch Extension. Comment
  JEPS111503  Daucus pusillus D. G. Kelch 2005-5-13 05 .265 Contra Costa Martinez - West: Ozol Rock and Scenic Drive Area along Vista Road ~ 2.5 kiloms West of Martinez 45 Comment
  UC691895  Daucus pusillus Mary L. Bowerman 1935-5-16 2990 Contra Costa at end of rd. Russelman Park; Mt. Diablo, Russelman Park Comment
  UC1594185  Deinandra corymbosa Jerry Powell 1992-6-17 1648 Contra Costa Richmond Field Station Comment
  CAS-BOT-BC287374  Deinandra corymbosa Walter Knight 1979-9-15 3436 Contra Costa Point Pinole Regional Shoreline Comment
  CAS-BOT-BC294025  Deinandra kelloggii James I. McMurphy 1909-5-21 s.n. Contra Costa Antioch Comment
  SEINET3147522  Deinandra kelloggii K. Brandegee 1907-5-5 19 Contra Costa Near Antioch Comment
  UC480907  Deinandra kelloggii Katharine Brandegee 1907-5-1 Contra Costa near Antioch; Judsonville Comment
  RSA400096  Delphinium californicum Thekla Mohr 1917-07 3245 Contra Costa Mount Diablo Comment
  CAS-BOT-BC9611  Delphinium californicum Mrs. E. C. Van Dyke 1931-4-1 s.n. Contra Costa Cypress Ridge, above Livermore Comment
  CAS-BOT-BC9612  Delphinium californicum John Thomas Howell 1950-7-5 26631 Contra Costa Juniper Camp, Mt. Diablo Comment
  JEPS105715  Delphinium hansenii subsp. hansenii David Gowen 2004-5-10 57 Contra Costa Round Valley Regional Preserve.North-facing slope above the main road through the park, ca. 1/2 mile west of the entry. Comment
  UC1018264  Delphinium hansenii subsp. hansenii H. Lewis and C. Epling 1947-5-4 703 Contra Costa Marsh Creek Road 5.8 mi e Curry Creek Park Road Comment
  UC85570  Delphinium hansenii subsp. hansenii Katharine Brandegee 1907-5 Contra Costa Bet. Antioch and Marsh Creek Comment
  UCD84955  Delphinium hesperium Chuck Hughes 2010-5-19 227 Contra Costa About 0.5 mile south of Vasco Road. 184 Comment
  RSA398649  Delphinium hesperium E. E. Stanford 1930-5-24 1512 Contra Costa Marsh Creek Canyon. Comment
  UC2028329  Delphinium hesperium subsp. hesperium Barbara Ertter with Richard K. Brummitt 1998-5-13 16137 Contra Costa Black Diamond Mines Regional Preserve in hills south of Pittsburg, head of SE branch of Loughler Loop Trail. Comment
  CAS-BOT-BC10010  Delphinium hesperium subsp. pallescens E. Wright 1917-6-1 S. N. Contra Costa Mt. Diablo Comment
  UC9195  Delphinium hesperium subsp. pallescens J. Burtt Davy 1895-4-8 974 Contra Costa foothills Antioch Comment
  LA207541  Delphinium hesperium subsp. pallescens H. Lewis; Carl Epling 1944-5-6 sn Contra Costa 1.2 mi. S of Marsh Creek Road on Beck Road to Livermore Comment
  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
  UC9183  Delphinium hesperium subsp. pallescens W. H. Brewer 1862-5-29 1185 Contra Costa near Camp 71; Marsh's Ranch Comment
  UC691950  Delphinium nudicaule Mary L. Bowerman 1933-6-14 2284 Contra Costa bottom of second gully w north spur; Mount Diablo, Inner Black Hills Comment
  UC9202  Delphinium nudicaule W. H. Brewer 1862-5-7 1053 Contra Costa n slope Monte Diablo Comment
  CAS-BOT-BC116455  Delphinium patens subsp. patens H. L. Mason 1925-3-10 1301 Contra Costa Mount Diablo Comment
  UC635345  Delphinium patens subsp. patens H. L. Mason 1928-4-29 4440 Contra Costa s slope of mt Mount Diablo, Sycamore Canyon Comment
  CAS-BOT-BC116462  Delphinium patens subsp. patens E. M. Zeile 1910-4-2 s.n. Contra Costa Fish Ranch Comment
  CAS-BOT-BC17042  Delphinium recurvatum C. Epling; G. Miles 1945-3-23 542 Contra Costa 5 miles west of Tracy-Byron Road on road to Byron Hot Springs. Comment
  OBI10610  Delphinium recurvatum Robert F. Hoover 1967-4-28 10511 Contra Costa Byron Hot Springs Comment
  POM150573  Delphinium recurvatum C. F. Baker 1903-4-27 s.n. Contra Costa Byron. Comment
Read comments
Oct 4 2007
  UC765796  Delphinium recurvatum R. F. Hoover 1938-3-25 2900 Contra Costa Byron Hot Springs 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
  HSC8594  Dendromecon rigida D. A. Shally 1965-4-18 32 Contra Costa Canyon, 1.5 mi. NE of Canyon Store on 'fire trail Comment
  UCD61248  Deschampsia cespitosa Ann F. Johnson 1978-5-26 AN- 23 Contra Costa At edge of San Joaquin River, Antioch Dunes. Comment
  SEINET11676571  Deschampsia danthonioides I. L. Wiggins 1930-1 4576 Contra Costa 0.5 mi S of Byron Comment
  SEINET3927628  Deschampsia elongata Glen Holstein 2000-7-27 s.n. Contra Costa SE El Sobrante, NE side of San Pablo Ridge.; 0 Comment
  UC1050948  Diascia barberae N. Floy Bracelin 1942-8-9 2243 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC615579  Dicentra chrysantha Beryl O. Schreiber 1933-10-5 933 Contra Costa Mount Diablo road; Mount Diablo Comment
  UC692178  Dicentra chrysantha Mary L. Bowerman 1930-6-10 318 Contra Costa across from and slightly below Muir Area (Meridian Peak); Mount Diablo, Meridian Peak Comment
  UC407076  Dicentra chrysantha L. R. Abrams 1921-5-25 8007 Contra Costa halfway-up road Mt. Diablo Comment
  UC9939  Dicentra formosa Chas. Palache Mar 1891 Contra Costa Moraga Canyon Comment
  UC1133877  Dichelostemma capitatum C. M. Belshaw 1936-5-8 2060 Contra Costa se slope Mt. Diablo; Mt. Diablo Quad. 990 Comment
  UC72521  Dichelostemma capitatum Harley P. Chandler 1901-3-22 880 Contra Costa Port Costa 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
  CDA36457  Dimorphotheca sinuata Deviney 2011-9-1 PDR# 1641230 Contra Costa Brentwood; Balfour Rd. near Fairview Rd. 0 Comment
  CAS-BOT-BC150330  Diplacus aurantiacus Alice Eastwood 1921-4-18 10287 Contra Costa Antioch Comment
  CAS-BOT-BC150331  Diplacus aurantiacus E. E. Stanford 1930-5-24 1514 Contra Costa Marsh Creek Canyon Comment
  CAS-BOT-BC151950  Diplacus douglasii John Thomas Howell 1941-4-6 16177 Contra Costa Near Deer Flat, Mt. Diablo Comment
  SJSU7703  Diplacus tricolor J. A. Johnson 1956-4-12 20 Contra Costa 1.5 mi E of Concord in El Monte District Comment
  RSA697529  Dipsacus fullonum J. Vlahos 1934-8-1 s.n. Contra Costa Contra Costa County Hills. Comment
  UCD137498  Dipsacus fullonum P. B. Kennedy 1917-2-8 s.n. Contra Costa Craigmont. Comment
  CAS-BOT-BC121840  Dirca occidentalis Howard E. McMinn 1925-3-30 1402 Contra Costa Near summit Thornhill Road and Skyline Blvd. Comment
  OBI78484  Dirca occidentalis H. E. McMinn 1925-3-30 1402 Contra Costa Near summit Thornhill Rd and Skyline blvd Comment
  SBBG26819  Dirca occidentalis J. A. Ewan 1934-3-10 8643 Contra Costa 2 mi below Orinda Rd bridge, Wildcat Cyn Comment
  UC3564  Disporum hookeri unknown 1862-5-16 1099 Contra Costa s of Mount Diablo Comment
  UC792334  Disporum hookeri J. A. Rattenbury 1948-3-8 96 Contra Costa on s side of road nr creek 1/2 mi e of Oakland tunnel 213 Comment
  CDA18042  Dittrichia graveolens R. M. Case 1999-12-29 PDR 031726 Contra Costa Vicinity Concord at Vanacio Reservoir. 0 Comment
  SEINET9307556  Dittrichia graveolens Unknown 2002-10-22 1959 Contra Costa Contra Costa Comment
  UC673501  Dodecatheon clevelandii subsp. patulum Herbert L. Mason 1929-3-15 5056 Contra Costa summit of hill e Nortonville; e of Nortonville Comment
  UC766267  Dodecatheon clevelandii subsp. patulum R. F. Hoover 1938-2-21 2749 Contra Costa Byron Hot Springs Comment
  UC673394  Dodecatheon hendersonii Herbert L. Mason 1925-3-10 1294 Contra Costa Mount Diablo Mount Diablo (open slopes) Comment
  UC1051468  Downingia insignis Herbert L. Mason 1952-4-14 14267 Contra Costa 3.5 mi s Byron Comment
  RSA424714  Downingia insignis Aaron Liston 1987-4-27 670 -1 Contra Costa 3 miles S of Byron. Comment
  JEPS14473  Downingia pulchella G. Thomas Robbins with Peter H. Raven 1956-4-28 3666 Contra Costa just e. of Martinez junction & 0.1 mi w. of Buchanan Field Rd. State Hwy. 4 Comment
  UCR196232  Downingia pulchella Beecher Crampton 1950-4-22 535 Contra Costa Concord Valley, between Hwy 4 and Buchanan Field (airport) 15 Comment
  UCD55128  Downingia pulchella Beecher Crampton 1950-4-22 535 Contra Costa Contra Costa County, Concord Valley, between Highway 4 and Buchanan Field (airport). 15 Comment
  UC691093  Drymocallis glandulosa var. wrangelliana Mary L. Bowerman 1930-6-18 343 Contra Costa Dan Cook Canyon Mount Diablo, Dan Cook Canyon Comment
  UC606763  Dryopteris arguta Edward Lee 1936-4-19 1981 Contra Costa e slope Red Rock; San Francisco Bay Comment
  UC933340  Dudleya cymosa subsp. paniculata Lincoln Constance 1950-5-18 Contra Costa North Peak Mount Diablo Comment
  CAS-BOT-BC428220  Dudleya cymosa subsp. paniculata K. Nakai 1978-8-28 396 Contra Costa Summit of Mt. Diablo 1170 Comment
  UCD32993  Echinochloa crus-galli Beecher Crampton 1965-9-29 7527 Contra Costa Contra Costa County, 2 miles south of Brentwood, jct. of Walnut ave. and Marsh Creek rd.. Comment
  CAS-BOT-BC197225  Echinochloa crus-pavonis Walter Knight; Irja Knight 1977-7-28 3149 Contra Costa Black Diamond Coal Mines Regional Preserve. Somersville Townsite Comment
  UC1606287  Egeria densa Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10864 Contra Costa just w Antioch marina (accessed from marina); Dow Wetlands Preserve Comment
  UC1618316  Egeria densa Barbara Ertter, CNPS 1990-9-16 9648 Contra Costa Bethel Island ne of Brentwood (e end of Gateway Road at w edge of Franks Tract State Recreation Area, ne Contra Costa County); Bethel Island, Franks Tract State Recreation Area Comment
  UC2027964  Ehrendorferia chrysantha Barbara Ertter 1997-8-24 15771 Contra Costa Mount Diablo, near first corner on Summit Road below Toyon Campground. Comment
  JEPS99522  Elatine brachysperma Mary L. Bowerman 1975-9-14 Contra Costa Mount Diablo, Hidden Pond. Comment
  RSA721590  Elatine brachysperma Mary L. Bowerman 1975-9-14 s.n. Contra Costa Mount Diablo. Comment
  UC691970  Eleocharis macrostachya Mary L. Bowerman 1938-5-28 3645 Contra Costa Maple Spring, on upper margin especially in the NW corner Mount Diablo Comment
  UC756634  Elymus G. L. Stebbins Jr. 1946-6-9 3658 Contra Costa 2 mi e El Cerrito (near Mira Vista Country Club) Comment
  UC756639  Elymus G. L. Stebbins Jr. 1946-6-9 3656 Contra Costa 2 mi e El Cerrito (near Mira Vista Country Club) Comment
  RSA108326  Elymus X gouldii Frank W. Gould 1941-5-8 1291 Contra Costa near Bay at Winehaven (near r Richmond); Altitude near sea level Comment
  UC2070654  Elymus caput-medusae Barbara Ertter with Steve Matson 2003-5-31 18185 Contra Costa Black Diamond Mines Regional Preserve south Pittsburg, between Somersville and Nortonville. Comment
  SD58360  Elymus condensatus W. L. Jepson 1937-7-2 18445 Contra Costa in a swale one-half mile west of Crockett Comment
  UC691182  Elymus elymoides subsp. elymoides Mary L. Bowerman 1933-6-14 2273 Contra Costa Curry-Cave Canyon Mount Diablo (ridge between two forks) Comment
  CDA1574  Elymus glaucus D. G. Kelch 2002-5-24 2 .017 Contra Costa Carquinez Strait; 5th St. Prairie, Crockett. Comment
  UC692431  Elymus glaucus Mary L. Bowerman 1935-5-16 3009 Contra Costa behind Gabriel-Hinks' (e side of peak); Mount Diablo, North Peak 289 Comment
  UC756637  Elymus glaucus G. L. Stebbins Jr. 1946-6-9 3653 Contra Costa 2 mi e El Cerrito (near Mira VistaCountry Club) Comment
  SEINET10558327  Elymus glaucus var. jepsonii Willis L. Jepson 1943-6-8 Jepson 20848 Contra Costa Northeast slope in woods. Moraga Ridge. Comment
  CDA31735  Elymus multisetus D. G. Kelch 2002-5-24 2 .018 Contra Costa Carquinez Strait; Crockett. On hill S of San Pablo Ave ~0.4 miles W of Carquinez Bridge. Comment
  UC53737  Elymus multisetus Jos. Burtt Davy 1900-6-7 6651 Contra Costa San Pablo Ridge Comment
  UC691171  Elymus multisetus Mary L. Bowerman 1938-6-24 3690 Contra Costa Canyon Nook Mount Diablo (e side of creek) 670 Comment
  UCD62502  Elymus multisetus Beecher Crampton 1956-5-14 3425 Contra Costa Above Port Costa Brick Works, 4 miles west of Martinez on the road to Crockett. Comment
  UC756651  Elymus trachycaulus G. L. Stebbins Jr. 1946-6-9 3652 Contra Costa 2 mi e El Cerrito (near Mira Vista Country Club) Comment
  POM301024  Elymus trachycaulus subsp. trachycaulus Mary L. Bowerman 1933-6-3 2234 Contra Costa Mount Diablo Summit. Ransom Point Trail Comment
  SEINET12755579  Elymus triticoides J. B. Davy 1900-6-7 6658 Contra Costa Near Pacheco. Comment
  CDA2043  Elytrigia elongata T. C. Fuller 1961-9-13 7001 Contra Costa Hwy J4, ca. 4 miles southeast of Byron. 0 Comment
  UC692458  Epilobium brachycarpum Mary L. Bowerman 1932-10-1 1600 Contra Costa ridge s Uncle Sam Canyon (w base of point, 200 ft above canyon bottom); Mount Diablo, Eagle Point Comment
  UC692459  Epilobium brachycarpum Mary L. Bowerman 1930-8-31 448 a Contra Costa e main road (near gully); Mount Diablo, Inner Black Hills Comment
  UC421666  Epilobium campestre John Thomas Howell 1929-7-20 4331 Contra Costa Pittsburg Comment
  CDA22547  Epilobium canum D. G. Kelch, Mike Park 2008-9-1 8 .296 Contra Costa Carquinez Strait; North of Waterbird Park along RR tracks. E of Martinez. Comment
  UC1745971  Epilobium canum subsp. canum Annetta M. Carter 1933-11-25 418 Contra Costa Mount Diablo Comment
  UC692454  Epilobium canum subsp. canum Mary L. Bowerman 1930-8-31 442 Contra Costa near Garden-of-the-Gods; Mount Diablo, Rock City Ridge Comment
  CAS-BOT-BC166167  Epilobium canum subsp. canum N. Floy Bracelin 1941-8-17 1567 Contra Costa In Berkeley Hills Comment
  CAS-BOT-BC166825  Epilobium canum subsp. latifolium M. K. Curran 1883-10-1 s.n. Contra Costa [Marsh's] Marsh Creek Comment
  CDA38079  Epilobium ciliatum D. G. Kelch 2003-8-13 3 .142 Contra Costa Carquinez Strait; Pinole Creek. Comment
  JEPS111567  Epilobium ciliatum D. G. Kelch 2003-8-13 03 .142 Contra Costa Pinole Creek 68 Comment
  UC1584862  Epilobium ciliatum subsp. ciliatum Jerry Powell 1987-11-1 1509 Contra Costa Point Molate Richmond Comment
  UC1613486  Epilobium ciliatum subsp. ciliatum Charles M. Belshaw 1936-12-13 2746 Contra Costa near Berkeley Country Club (North Coast Range); North Coast Range 152 Comment
  UC1784907  Epilobium ciliatum subsp. ciliatum Barbara Ertter 1994-6-26 12875 Contra Costa S of Point Molate Beach Park in W Richmond N of San Rafael Bridge, at edge of San Francisco Bay Comment
  JEPS38247  Epilobium densiflorum W. L. Jepson 1894-9-7 14401 Contra Costa Grizzly Peak Berkeley Hills Comment
  JEPS99501  Epilobium minutum Mary L. Bowerman 1978-5-14 Contra Costa Mount Diablo. The old wagon rd. mines trail on E side of Eagle Peak. Comment
  UC692443  Epilobium torreyi Mary L. Bowerman June 1942 3847 Contra Costa lower Rock City Camp; Mount Diablo Comment
  UC1005902  Epiphyllum N. Floy Bracelin 1943-5-16 2513 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley Comment
  UC692136  Equisetum hyemale subsp. affine Mary L. Bowerman 1930-8-24 432 Contra Costa <a> little above end of rd. Mitchell Canyon 251 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
  UC2029182  Equisetum telmateia subsp. braunii Barbara Ertter 2000-7-16 17405 Contra Costa Pine Creek on WNW base of Mount Diablo, willow patch above Pine Pond. Comment
  JEPS123247  Eriastrum ertterae David Gowen 1907-6-20 472 Contra Costa Lime Ridge Open Space. South of summit near power line area. Comment
  RSA0120805  Eriastrum pluriflorum subsp. pluriflorum Brandegee 1883-06 s.n. Contra Costa Antioch. Comment
  UC2012979  Ericameria arborescens Barbara Ertter with Brad Olson, Dianne Hake, Seth Adams, et. al. 1994-9-11 13091 Contra Costa Chaparral Sprs addition to Mt. Diablo State Park, north side of Marsh Creek Road at high point southeast of Clayton open oak woodland. Comment
  CAS-BOT-BC287527  Ericameria linearifolia Paul F. Covel 1936-5-17 155 Contra Costa Mt Diablo, on trail summit, N peak Comment
  UC691863  Ericameria linearifolia Mary L. Bowerman 1930-6-18 351 Contra Costa Meridian Peak summit Mount Diablo, Meridian Peak (open rocky slope on e side) Comment
  CAS-BOT-BC287533  Ericameria linearifolia Rattan 1886-6-14 s.n. Contra Costa W slope of Mt Diablo Comment
  UC1779709  Eriobotrya japonica Rudolf Schmid 1997-5-21 1997 -11 Contra Costa Hillside Natural Area, El Cerrito; some distance NW of King Ct. entrance, near W side of road, in drainage gully north of the Salix-Corylus grove. 126 Comment
  UC35509  Eriodictyon californicum F. P. McLean March, 1875 Contra Costa Mt. Diablo Comment
  UC691670  Eriodictyon californicum Mary L. Bowerman 1930-6-10 315 Contra Costa Mount Diablo Meridian Peak Summit (Meridian Peak Summit); , Meridian Peak Summit Comment
  CAS-BOT-BC216075  Eriodictyon californicum W. W. Carruth 1901-5-1 s.n. Contra Costa Moraga Valley Comment
  UC194953  Eriogonum angulosum H. M. Hall 1916-8-17 10276 Contra Costa Deer Valley 182 Comment
  CAS-BOT-BC250386  Eriogonum gracile Lewis S. Rose 1955-10-17 55187 Contra Costa Antioch 15 Comment
  UC1032304  Eriogonum gracile G. T. Nordstrom 1937-10-28 1409 Contra Costa 1.6 mi nne Somersville; Mt. Diablo Quadrangle Comment
  UC1094040  Eriogonum gracile Lewis S. Rose 1955-10-17 55187 Contra Costa sand hills, Antioch Antioch 15 Comment
  UC2012971  Eriogonum gracile Barbara Ertter with Tony Morosco 1996-7-27 15040 Contra Costa Mount Diablo State Park, Cardinet Oaks Road at crossing of Donner Creek. Comment
  CAS-BOT-BC250384  Eriogonum gracile John Thomas Howell 1929-7-20 4330 Contra Costa 2 miles s. of Oakley Comment
  UC85768  Eriogonum gracile var. gracile T. S. Brandegee 1890-1 Contra Costa Mt. Diablo Comment
  RSA97513  Eriogonum gracile var. gracile Beecher Crampton 1949-7-15 480 Contra Costa Foothills, above the site of the extinct town of Judsonville, south of Antioch Comment
  RSA423119A  Eriogonum luteolum L. S. Rose 1932-6-24 32349 Contra Costa Mt. Diablo 1173 Comment
  JEPS57048  Eriogonum luteolum var. caninum W. L. Jepson 1894-10-1 Contra Costa Oakland Hills; w slope, towards Redwood Peak Comment
  CAS-BOT-BC259522  Eriogonum luteolum var. luteolum Robert F. Hoover 1937-9-2 2714 Contra Costa Lower Marsh Creek canyon Comment
  CAS-BOT-BC268907  Eriogonum nudum var. auriculatum Mary L. Bowerman 1932-9-24 1593 Contra Costa Mount Diablo. Flat-topped ridge above Mitchell Rock 441 Comment
  UC691129  Eriogonum nudum var. auriculatum Mary L. Bowerman 1932-9-17 1585 Contra Costa west fork of west fork Donner Canyon; Mount Diablo 335 Comment
  UC692047  Eriogonum nudum var. auriculatum Mary L. Bowerman 1931-10-23 1062 Contra Costa Riggs Canyon Mount Diablo Comment
  UC692159  Eriogonum nudum var. auriculatum Annetta Carter 1940-6-22 1600 Contra Costa Lime Ridge, n edge of s chaparral patch Mount Diablo 243 Comment
  UC692201  Eriogonum nudum var. auriculatum Mary L. Bowerman 1932-9-24 1594 Contra Costa flat-topped ridge above Mitchell Rock; Mount Diablo 434 Comment
  RSA0029780  Eriogonum nudum var. auriculatum Barbara J. Ertter, Delia Taylor 2003-6-22 18229 Contra Costa Black Diamond Mines Regional Preserve south of Pittsburg, River View Loop Trail along Somersville Road north of park headquarters. 152 Comment
  UC2028205  Eriogonum nudum var. auriculatum Barbara Ertter with Richard Rabeler, Tony Morosco 1997-6-10 15662 Contra Costa Point Richmond, crest of road. Comment
  UC2029055  Eriogonum nudum var. auriculatum Barbara Ertter with Delia Taylor 2003-6-22 18227 Contra Costa Black Diamond Mines Regional Preserve south of Pittsburg, ridge south of Arata Overlook Trail NE of park headquarters east of Somerville Road. Comment
  JEPS79014  Eriogonum nudum var. psychicola Edward Lee with Annetta Carter 1935-8-17 1631 Contra Costa Antioch Comment
  CAS-BOT-BC269820  Eriogonum nudum var. psychicola Jerry A. Powell 1962-8-19 3082 Contra Costa Ca. 2 miles east of Antioch Comment
  UC692196  Eriogonum nudum var. pubiflorum Mary L. Bowerman 1932-9-17 1586 Contra Costa Donner Canoyn, w fork toward mouth Mount Diablo Comment
  JEPS105713  Eriogonum roseum David Gowen 2004-8-26 156 Contra Costa Black Diamond Mines Regional Preserve; 3/8 mi from parking area on Frederickson Lane, on Old Homestead Loop, just SW of its junction with the Homestead Trail Comment
  RSA766267  Eriogonum roseum Joseph A. Ewan 1933-10-15 8022 Contra Costa Grassy slope above Indian Ceremonial Spr., Mt. Diablo Comment
  CAS-BOT-BC267443  Eriogonum truncatum Mary L. Bowerman 1933-5-25 2198 Contra Costa Mount Diablo. Alamo Canyon: above Wilsons' barn Comment
  CAS-BOT-BC267449  Eriogonum truncatum M. K. Curran 1886-5-1 s.n. Contra Costa Antioch Comment
  JEPS108317  Eriogonum umbellatum var. bahiiforme David Gowen 2005-5-29 398 Contra Costa West of Morgan Territory Rd. and the main entrance to Morgan Territory Regional Preserve. Rocky area west of summit of hill 2581 (Tassajara Pk.?). Comment
  CAS-BOT-BC262346  Eriogonum vimineum Mary L. Bowerman 1930-6-18 350 Contra Costa Mount Diablo. Summit Comment
  CAS-BOT-BC262348  Eriogonum vimineum Mary L. Bowerman 1932-8-27 1524 Contra Costa Mount Diablo. South of Turtle Rock Comment
  CAS-BOT-BC298509  Eriophyllum confertiflorum H. E. McMinn 1923-6-18 1152 Contra Costa Horn Canon Comment
  JEPS75549  Eriophyllum confertiflorum var. confertiflorum P. F. Yorks 1974-6-16 176 Contra Costa on Hampton Road 1.6 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Reserve 180 Comment
  UC691724  Eriophyllum confertiflorum var. confertiflorum Mary L. Bowerman 1930-6-5 254 Contra Costa w road <= n road written above> 5.8 mi from entrance; Mount Diablo Comment
  CAS-BOT-BC300970  Eriophyllum lanatum var. achilleoides E. E. Stanford 1930-5-24 1513 Contra Costa Marsh Creek Canyon Comment
  JEPS34598  Eriophyllum lanatum var. achilleoides W. L. Jepson 1918-6-3 7577 Contra Costa Mt. Diablo Comment
  UC691668  Eriophyllum lanatum var. achilleoides Mary L. Bowerman 1935-5-30 3097 b Contra Costa Eagle Point ridge = between the two n ridges which converge at Twin Peaks; Mt. Diablo, Eagle Point ridge 350 Comment
  CAS-BOT-BC300965  Eriophyllum lanatum var. achilleoides L. Constance 1933-6-25 E 101 Contra Costa South slope, just below summit of Mount Diablo 1066 Comment
  CAS-BOT-BC300971  Eriophyllum lanatum var. achilleoides H. E. McMinn 1922-6-30 98 Contra Costa On way up Mt. Diablo, less 1/2 way up Comment
  CAS-BOT-BC300982  Eriophyllum lanatum var. achilleoides Lincoln Constance; Helen Sharsmith; Carl Sharsmith 1933-4-30 E 17 Contra Costa Black Hills, Mount Diablo Comment
  UC571141  Erodium botrys A. E. Borell 1928-3-31 75 Contra Costa Richmond Comment
  UC692708  Erodium botrys Mary L. Bowerman 1931-3-14 571 Contra Costa Windy Point Mount Diablo Comment
  UC692704  Erodium cicutarium Mary L. Bowerman 1930-6-28 387 Contra Costa Mount Diablo, near road above junction Mount Diablo Comment
  JEPS15863  Eryngium aristulatum var. aristulatum W. L. Jepson 1894-9-7 14282 Contra Costa foot of sharp canyon e. of Bald Peak at Orinda; Berkeley Hills 121 Comment
  JEPS15974 Image available Eryngium aristulatum var. aristulatum W. L. Jepson 1895-9-7 14275 Contra Costa e of Bald Peak; Orinda 121 Comment
  UC106326  Eryngium aristulatum var. aristulatum unknown 1893-7-29 Contra Costa Martinez Comment
  UC1191950  Eryngium aristulatum var. aristulatum Peter Kamb, Francia Chisaki, and S. Galen Smith 1951-4-14 1954 Contra Costa 7 mi. n. Walnut Creek (e. of Hwy. 21, 0.2 mi. s. intersection w/ Hwy. 4) Comment
  UC1487288  Eryngium aristulatum var. aristulatum Yusuf Sheikh 1974-5-5 587 Contra Costa 2.1 mi. s.e. of Byron Post sign on rd. J4 (3.1 mi. s.e. of intersection with Camino Diablo) Comment
  UC1487296  Eryngium aristulatum var. aristulatum Yusuf Sheikh 1975-7-8 600 Contra Costa on State Hwy. 4 0.7 mi. w. of junction w/ Railroad Ave. Comment
  POM300691  Eryngium aristulatum var. aristulatum Mary L. Bowerman 1935-5-22 3054 Contra Costa Saddle west of Twin Lakes, just south of the crest 442 Comment
  UC20998  Eryngium aristulatum var. aristulatum J. Burtt Davy 1900-3-24 6525 Contra Costa Santa Fe Comment
  JEPS17451  Eryngium armatum W. L. Jepson 1922-7-9 9732 Contra Costa Richmond Comment
  JEPS121010  Eryngium armatum D. G. Kelch 2007-6-16 07 .464 Contra Costa Pt. Pinole, N spur of Park, near shore Comment
  CDA38314  Eryngium jepsonii D. G. Kelch 2003-6-22 3 .091 Contra Costa Carquinez Strait Region; Pt. Costa - Shore: Above Pt. Costa (above road between McEwen and EBRP staging area). Comment
Read comments
Dec 13 2016
  UC1190973  Eryngium vaseyi Lincoln Constance, Reino Alava and Rimo Bacigalupi 1958-6-6 3661 Contra Costa 3 mi. s.e. Byron; San Joaquin Valley 10 Comment
  SEINET12118291  Eryngium vaseyi var. castrense L. Constance, Alava, R.; Bacigalupi, R. 1958-1 3661 Contra Costa 3 mi SE of Byron, San Joaquin Valley Comment
  CAS-BOT-BC40769  Erysimum capitatum G. B. Rossbach; R. P. Rossbach 1938-6-5 858 b Contra Costa Along tidal estuary of San Joaquin River just east of Antioch. Comment
  CAS-BOT-BC40756  Erysimum capitatum G. B. Rossbach 1955-3-20 571 Contra Costa Upper south slope of Mount Diablo. 1005 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
  LA204363  Erysimum capitatum var. capitatum Herbert L. Mason; 1933-4-9 7189 Contra Costa E of Antioch along San Joaquin River 12 Comment
  RSA298536  Erysimum capitatum var. capitatum Robert A. Norris, John L. Inase 1981-5-10 4158 Contra Costa Near North Gate Road, Mt Diablo. 930 Comment
  CAS-BOT-BC151467  Erythranthe latidens Alice Eastwood; John Thomas Howell 1936-4-19 2155 Contra Costa 4 miles s. of Antioch Comment
  UC726212  Eschscholzia A. A. Heller 1938-4-9 15018 Contra Costa 3 mi sw of Antioch Comment
  CAS-BOT-BC402980  Eschscholzia californica Mary L. Bowerman 1933-5-3 1975 Contra Costa Mount Diablo. Due south of Meridian Peak summit 731 Comment
  CAS-BOT-BC402981  Eschscholzia californica A. Eastwood 1894-5-4 s.n. Contra Costa Walnut Cr. Comment
  CAS-BOT-BC402994  Eschscholzia californica Brandegee 1889-5-1 s.n. Contra Costa Antioch Comment
  JEPS51776  Eschscholzia californica W. L. Jepson 1907-4-27 2643 Contra Costa San Ramon Valley 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
  PASA450  Eschscholzia californica Annetta Carter 1929-3-31 Contra Costa Near Clayton. Hills north of Mt. Diablo Comment
  UC692191  Eschscholzia californica Mary L. Bowerman 1930-6-28 386 Contra Costa near road above junction; Mount Diablo Comment
  POM253322  Eschscholzia californica subsp. californica A. A. Heller 1938-4-9 15018 Contra Costa 3 miles southwest of Antioch. Comment
  UC1789217  Eucalyptus Barbara Ertter 2004-9-17 18499 Contra Costa north extension of Lime Ridge open Space in Concord, edge of parking area on N side of Treat Boulevard Comment
  UC1789211  Eucalyptus globulus Barbara Ertter 2002-5-11 17840 Contra Costa lower Emmons Canyon just outside of Mount Diablo State Park boundary. Comment
  UC2012987  Eucalyptus globulus Barbara Ertter with Tony Morosco 1996-7-27 15029 Contra Costa Mount Diablo State Park, north foot of mountain between Donner Canyon and Back Creek Road. Comment
  CDA40312  Eucrypta chrysanthemifolia D. G. Kelch 2005-5-13 5 .273 Contra Costa Carquinez Strait Region; Martinez - West: Ozol Rock and Scenic Drive, near Ozol Rock. Comment
  JEPS87981  Eucrypta chrysanthemifolia Barbara Ertter 1991-6-1 10078 Contra Costa hills w Danville (e side of Wind Caves on Sycamore Trail to Devil's Hole); Las Trampas Regional Wilderness, Wind Caves 548 Comment
  UCSB5236  Eucrypta chrysanthemifolia 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
  UC692712  Euphorbia crenulata Mary L. Bowerman 1935-3-16 2742 Contra Costa e fork Arroyo del Cerro; Mount Diablo 289 Comment
  RSA224327  Euphorbia crenulata Paul F. Covel 1938-5-1 1496 Contra Costa Old Tunnel Road. Comment
  CDA35612  Euphorbia oblongata V. Guise 2011-5-2 PDR# 1649668 Contra Costa Danville; 2600 Finley Road. 0 Comment
  JEPS100097  Euphorbia oblongata G. Smick 2003-5-6 GAS 173 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site 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
  UC2028283  Euphorbia oblongata Barbara Ertter 1998-6-20 16245 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, roadside near Old Borges Ranch. Comment
  JEPS111697  Eurybia radulina D. G. Kelch 2004-4-25 04 .116 Contra Costa Martinez - West: Ozol Rock and Scenic Drive Hill Southwest of large cottonwood. West of Martinez at gated end of Scenic Dr 50 Comment
  UC697207  Eurybia radulina Mary L. Bowerman 1932-9-5 1549 Contra Costa Inner Black Hills e of the meridian Black Hills 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
  JEPS111732  Euthamia occidentalis D. G. Kelch 2004-9-2 04 .333 Contra Costa Pacheco Marsh east of Martinez and I-680 and east of lone tree Marsh 5 Comment
  UCD35167  Euthamia occidentalis Beecher Crampton 1950-9-9 645 Contra Costa Santa Fe R.R. property, 1 mile north of Richmond. Comment
  JEPS118744  Extriplex joaquinana Sarah Lynch 2012-8-1 s. n. Contra Costa Tassajara Valley (south of Danville); north of Camino Tassajara and west of Finley Road Comment
  UC692366  Festuca californica Mary L. Bowerman 1931-4-25 757 Contra Costa Mount Diablo, near junction of s and w roads Mount Diablo Comment
  UC2028144  Festuca microstachys Barbara Ertter 1998-4-4 15971 Contra Costa Shell Ridge Open Space northwest of Mount Diablo, Fossil Hill. Comment
  UC2028409  Festuca microstachys Barbara Ertter with Richard K. Brummitt 1998-5-16 16088 Contra Costa Lower Donner Canyon on north base of Mount Diablo, ca. 1/2 miles south of Donner cabin site Comment
  CHSC116605  Festuca microstachys var. pauciflora Lowell Ahart; Josephine Guardino 2016-4-19 20792 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. Along south side of road exit at Los Vaqueros Marina, 2.3 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 160 Comment
  JEPS127231  Festuca microstachys var. pauciflora Lowell Ahart, Josephine Guardino 2016-4-19 20792 Contra Costa 2.3 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest to Stockton. Undesignated section of Canada de Los Vaqueros Land Grant, Byron Hot Springs USGS 7.5' Quad. Comment
  UC2028438  Ficus carica Barbara Ertter with Chris Thayer 1996-10-25 15356 Contra Costa Northwest flank of Mount Diablo, Northgate Trail along Little Pine Creek between North Gate Road and Diablo Foothills Regional Park Comment
  UC691816  Foeniculum vulgare Mary L. Bowerman 1936-9-17 3546 Contra Costa n.w. Mt.Zion (roadside s. of substation, Mt. Diablo); Mt. Diablo Comment
  UC691811  Foeniculum vulgare Mary L. Bowerman 1931-10-5 1052 Contra Costa Marsh Creek Rd. near saddle by dry streambed Mt. Diablo 274 Comment
  CAS-BOT-BC62922  Frangula californica subsp. tomentella Alice Eastwood 1915-5-30 4449 Contra Costa Mt. Diablo. Comment
  UC2027914  Frangula californica subsp. tomentella Barbara Ertter 2000-9-30 17529 Contra Costa Diablo Foothills Regional Park, Stage Road in Pine Canyon. Comment
  CAS-BOT-BC223860  Frankenia salina L. R. Abrams 1916-7-1 5730 Contra Costa Near Martinez Comment
  CAS-BOT-BC223861  Frankenia salina Walter Knight; Irja Knight 1968-8-14 2418 Contra Costa On Contra Loma Drive, north side of road, Contra Loma Regional Park, near Antioch Comment
  JEPS74307  Frankenia salina John Thomas Howell and Gordon H. True 1972-6-29 48919 Contra Costa Byron Hot Springs Road se Byron Comment
  UCD150897  Frankenia salina James A. Neilson Jr.; Samuel A. Bamberg 1975-10-22 3500 Contra Costa Walnut Creek drainage. Elevation estimated using Google Earth by label maker. 0 Comment
  UC2028959  Frankenia salina Barbara Ertter 2002-8-24 18022 Contra Costa Dunn Creek south of Mount Diablo Mine property on NE base of Mount Diablo. Comment
  POM300679  Fraxinus dipetala Mary L. Bowerman 1935-6-1 3104 Contra Costa Mount Diablo: First small ridge east of Mitchell-Pine divide 976 Comment
  UC169477  Fritillaria affinis Katharine Brandegee April 1913 Contra Costa Eastport, Redwood Canyon, Oakland Hills, electric RR tunnel entrance Redwood Canyon; Eastport, , Oakland Hills Comment
  CAS-BOT-BC136073  Fritillaria affinis Dean William Taylor 1971-3-28 971 Contra Costa Along Morgan Territory Road 304 Comment
  SEINET12045027  Fritillaria affinis L. S. Rose 1934-1 34047 Contra Costa Mt. Diablo Comment
  UCR263793  Fumaria capreolata Barbara Ertter 1999-3-21 16486 Contra Costa Central Coast, Miller Knox Regional Park near Point Richmond, southeast of Richmond Ramblers building 15 Comment
  UC1143116  Galium andrewsii subsp. gatense C. M. Belshaw 1936-5-8 2058 Contra Costa se slope Mt. Diablo Quadrangle, Mt. Diablo (Plot 5) Comment
  UC1618054  Galium aparine Donald G. Nelson 1937-3-30 469 Contra Costa along Marsh Creek Rd. between Clayton and Byron Comment
  JEPS112105  Galium murale D. G. Kelch 2003-4-3 03 .345 Contra Costa Cummings Skyway South of Cummings Skyway and Crockett Blvd 134 Comment
  UC703118  Galium murale John Thomas Howell 1942-4-26 16953 Contra Costa Redwood Canyon Oakland Hills Comment
  RSA666412  Galium murale Barbara Ertter, Chris Thayer 1993-5-7 11715 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
  UC2028273  Galium murale Barbara Ertter 1999-6-12 16703 Contra Costa Black Hawk Ridge Road between Knobcone Point Road and NE fork of Sycamore Creek, South side of Mount Diablo. Comment
  UC2028293  Galium parisiense Barbara Ertter with Dan Norris 1998-6-18 16221 Contra Costa West of Rock City area on south side of Mount Diablo, saddle on W Fossil Ridge Trail. 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
  UC697199  Gamochaeta ustulata Mary L. Bowerman 1942-6-1 3846 Contra Costa Lower Rock City Camp Mount Diablo Comment
  CAS-BOT-BC303370  Gamochaeta ustulata Gordon H. True 1975-6-27 7872 Contra Costa Tilden Regional Park Botanic Garden, Wildcat Canyon Comment
  CAS-BOT-BC200634  Garrya elliptica John Thomas Howell 1925-9-12 1437 Contra Costa Oakland Hills at head of San Leandro Canyon Comment
  CAS-BOT-BC200636  Garrya elliptica C. H. M. 1919-8-24 s.n. Contra Costa Las Trampas Peak Comment
  CAS-BOT-BC169943  Garrya fremontii H. E. McMinn 170 Contra Costa Mt. Diablo Comment
  UC585537  Gastridium ventricosum Virginia E. Long 1933-6-14 224 a Contra Costa ridge entering W Fork of Curry Cave trail canyon Mt. Diablo; , ridge entering W Fork of Curry Cave trail canyon Comment
  JEPS121056  Genista monspessulana Dean G. Kelch and Andrew G. Murdock 2004-4-11 04 .077 Contra Costa Crockett - West base of Crolona Heights Comment
  UC17121  Geranium carolinianum State Survey 1862-4-26 998 Contra Costa near Martinez Comment
  UC692709  Geranium carolinianum Mary L. Bowerman 1935-5-25 3076 Contra Costa Rhine Canyon Mount Diablo 914 Comment
  CDA23560  Geranium core-core D. G. Kelch, D. A. Weinstein 2008-1-4 8 .001 Contra Costa Carquinez Strait; Pt Pinole. Along asphalt access road. Comment
  CDA4659  Geranium dissectum D. G. Kelch, A. G. Murdock 2003-3-28 3 .089 Contra Costa Carquinez Strait Region; Rodeo - Lone Tree Point. Comment
  UC1301211  Geranium dissectum Helen K. Sharsmith 1962-4-18 4950 Contra Costa vicinity Martinez (near McEwen Road); San Francisco Bay Region, Martinez 106 Comment
  UC1555366  Geranium dissectum Jerry Powell 1988-5-18 1532 Contra Costa w Richmond Point Molate 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
  UC692707  Geranium dissectum Mary L. Bowerman 1931-4-11 708 Contra Costa Pine Canyon mouth Mount Diablo Comment
  UCD103388  Geranium dissectum Ernest C. Twisselmann 1959-4-8 5022 Contra Costa Edmunds Native Plant Nursery, Danville. Shandon, CA. 45 Comment
  CDA29060  Geranium molle D. G. Kelch 2006-5-7 6 .154 Contra Costa Carquinez Strait.; Crockett. Upper Edward s Canyon. Comment
  RSA0029465  Geranium purpureum Barbara Ertter 2000-5-14 17012 Contra Costa Mount Diablo Regional Park, Falls Trail at Donner Creek crossing. 488 Comment
  CHSC102194  Geranium rotundifolium Barbara Ertter 1996-6-4 14684 Contra Costa Tilden Regional Park in hills east of Berkeley, restoration site northeast of junction of Grizzly Peak boulevard and GolF Course Drive. Comment
  RSA67217  Gilia achilleifolia Verne Grant, Alva Grant 1948-5-2 8424 Contra Costa in Bear Creek Canyon, 0.5 miles north of summit and ca. 3.8 miles from Orinda-San Pablo road. Comment
  UC2031458  Gilia achilleifolia subsp. achilleifolia Barbara Ertter with David Gowen 2014-4-12 21716 Contra Costa On north side of Prospectors Gap Road ca. 1 mile east of Mount Diablo summit Comment
  UC691669  Gilia achilleifolia subsp. achilleifolia Mary L. Bowerman 1932-5-6 1416 Contra Costa floor Mitchell Canyon; Mount Diablo, Mitchell Canyon 213 Comment
  UC880124  Gilia achilleifolia subsp. multicaulis Lewis S. Rose 1941-5-15 41231 Contra Costa w slope Mount Diablo; w slope Mount Diablo 396 Comment
  SEINET12278771  Gilia capitata H. M. Hall 1901-1 s.n. Contra Costa Region of San Francisco Bay, Mt. Diablo Comment
  UC402614  Gilia capitata subsp. staminea C. L. Swenson April, 1930 Contra Costa Antioch Comment
  RSA14955  Gilia clivorum L. S. Rose 1935-5-16 351 75 Contra Costa Mt. Diablo. Comment
  SD234478  Gilia clivorum Peter L. Morrell, N. Takebayashi. 1995-5-21 472 Contra Costa Central Coast: S of Clayton in Mitchell Canyon, above the banks of Mitchell Creek and beneath Eagle Peak (Clayton 7.5' Q) 399 Comment
  UC1502525  Gilia clivorum Daniel J. Schoen 1980-4-9 Contra Costa Population #78004 Population Name: Eagle Ridge Comment
  UC908353  Gilia clivorum Herbert L. Mason 1938-5-3 11752 Contra Costa trail between Juniper Camp and Deer Flat (Mount Diablo); , btw Juniper Camp and Deer Flat 990 Comment
  UC2028156  Gilia clivorum Barbara Ertter 1998-4-4 15955 Contra Costa Shell Ridge Open Space northwest of Mount Diablo. Comment
  CAS-BOT-BC266488  Githopsis diffusa R. Bacigalupi 1927-5-13 1569 Contra Costa Along Danville - Mount Diablo Road near Garden of the Jungle Gods 518 Comment
  CDA35615  Gnaphalium californicum I. Godwyn 2011-5-12 PDR# 1649778 Contra Costa Richmond; Wildcat Canyon Regional Park, near McBryde Ave. 0 Comment
  UC32022  Gnaphalium palustre Brewer 1862-5-26 1172 Contra Costa near Mount Diablo Comment
Read comments
May 4 2008
  CAS-BOT-BC303201  Gnaphalium palustre J. (Germany) Bauer 1851-5-1 s.n. Contra Costa At Mt Diablo [Ad Mond Diabalo] Comment
  CAS-BOT-BC303892  Gnaphalium palustre E. M. Zeile 1924-5-6 s.n. Contra Costa Near Walnut Creek Comment
  CDA15251  Grindelia camporum G. F. Hrusa, D. Crowe 1998-5-8 14382 Contra Costa Sacramento Delta; Dow Ecological Reserve on Dow Chemical property at Pittsburg. Comment
  CDA34248  Grindelia camporum D. G. Kelch 2009-5-24 9 .303 Contra Costa Carquinez Strait; S of Ozol, W/SW of Martinez. Comment
  SEINET10925203 Image available Grindelia camporum var. parviflora John Thomas Howell 1930-9-28 Howell 5496 Contra Costa Liberty School on Marsh Creek Road, Contra Costa Co. Comment
  CAS-BOT-BC305232  Grindelia hirsutula Walter Knight 1978-8-27 3144 Contra Costa Contra Loma Regional Park 30 Comment
  CAS-BOT-BC305243  Grindelia hirsutula Walter Knight 1978-7-13 s.n. Contra Costa Browns Island Comment
  CDA32858  Grindelia hirsutula D. G. Kelch 2010-10-5 10 .419 Contra Costa The Delta; Just east of Antioch bridge. Comment
  JEPS100140  Grindelia hirsutula G. Smick 2003-5-30 GAS 204 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS111662  Grindelia hirsutula A. G. Murdock 2004-5-28 284 Contra Costa Pinole Peak 205 Comment
  JEPS25017  Grindelia hirsutula G. Thomas Robbins 1958-10-2 3941 Contra Costa just w Carlson Blvd. (near Stege railroad siding, along Southern Pacific Railroad); Richmond Comment
  JEPS41047  Grindelia hirsutula Rimo Bacigalupi with L. R. Heckard 1965-5-11 9072 Contra Costa strand at n end Brooks Island (San Francisco Bay sw of Richmond); San Francisco Bay, Brooks Island Comment
  JEPS97556  Grindelia hirsutula R. D. Stone 645 Contra Costa 3 mi N of Altamont Pass Moller Ranch; Mount Diablo, Altamont Pass, Brushy Creek drainage 152 Comment
  UC1042334  Grindelia hirsutula Lewis S. Rose 1952-11-26 52020 Contra Costa Pittsburg 3 Comment
  UC161985  Grindelia hirsutula Katharine Brandegee 1911-7-6 Contra Costa near rr crossing Pt. Isabel Comment
  UC984921  Grindelia hirsutula Ira L. Wiggins 1930-4-17 4577 Contra Costa near Byron Comment
  UCD150902  Grindelia hirsutula James A. Neilson Jr. 1972-10-21 3603 Contra Costa Walnut Creek drainage, near mouth of Walnut Creek. Elevation estimated using Google Earth by label maker. 0 Comment
  CAS-BOT-BC305249  Grindelia hirsutula R. F. Hoover 1966-8-31 9945 Contra Costa 1.5 mi. e. of Danville, at junction of Tassajara and Freitas Roads Comment
  SEINET201967  Grindelia hirsutula var. hirsutula G. T. Robbins 1959-4-25 4003 Contra Costa Potero Hills above shore of San Francisco Bay S of Castro Pt. and just N of Richmond-San Rafeal Bridge Richmond Comment
  UC2028054  Grindelia hirsutula var. hirsutula Barbara Ertter with Amy Rusev 1998-1-17 15905 Contra Costa Edge of Lime Ridge Open Space at NW foot of Mount Diablo, around former quarry [subsequently developed] on south side of Ygnacio Valley Road. Comment
  JEPS20871  Guillenia flavescens J. Burtt Davy 1895-4-7 969 Contra Costa Antioch Comment
  UC10960  Guillenia flavescens unknown 1865-1 Contra Costa Mt. Diablo region Mt. Diablo Comment
  UC1292655  Guillenia flavescens A. R. Kruckeberg 1949-4-16 1735 Contra Costa 2 mi inside old North Entrance (not tollgate); Mount Diablo State Park Comment
  UC691137  Guillenia flavescens Mary L. Bowerman 1935-4-17 2842 Contra Costa 2 mi from West road (=North Rd.) entrance (ridge w of chaparral, immediately e of section line); Mount Diablo 304 Comment
  UC691151  Guillenia flavescens Mary L. Bowerman 1933-4-15 1859 Contra Costa second ridge se Arroyo del Cerro; Mount Diablo Comment
  JEPS68950  Guillenia lasiophylla Edward Lee 1935-3-10 1279 Contra Costa Donovan Road, w watershed of Kirker Creek Kirker Pass, Kirker Creek Comment
  UC10955  Guillenia lasiophylla Ivar Tidestrom 1893-4-15 Contra Costa Sheep Island Comment
  POM203484  Gutierrezia californica L. S. Rose 1932-10-2 32655 Contra Costa Marsh Creek Road. Comment
  CAS-BOT-BC304580  Gutierrezia californica L. R. Abrams 1917-9-13 6728 Contra Costa Patterson Pass Comment
  POM51392  Gutierrezia californica L. R. Abrams 1917-9-13 6728 Contra Costa Patterson Pass. 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
  CAS-BOT-BC282858  Hainardia cylindrica E. E. Stanford 1930-5-16 1485 Contra Costa Near Old River Comment
  UC2032809  Hedera helix Doran, Andrew Scott 2012-3-20 679 Contra Costa Brooks island loading dock, North side of island. Just above high tide mark. Comment
  RSA721203  Hedypnois cretica Barbara Ertter, Mary L. Bowerman 1995-6-11 14249 Contra Costa Shell Ridge Recreation Area southwest of Walnut Creek, at west base Mt.Diablo; near Indian Valley School entrance. 91 Comment
  CDA6437  Helenium puberulum D. G. Kelch, A. G. Murdock 2003-8-13 3 .134 Contra Costa Carquinez Strait; Pinole Creek. Comment
  CAS-BOT-BC305321  Helianthella castanea Alice Eastwood 1921-6-11 10604 Contra Costa Mt. Diablo 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
  UC691738  Helianthella castanea Mary L. Bowerman 1930-6-10 301 Contra Costa Summit Meridian Peak; Mount Diablo Comment
  UC2028316  Helianthemum scoparium Barbara Ertter, Susan D'Alcamo 1998-6-12 16161 Contra Costa Summit Road to top of Mount Diablo. Comment
  JEPS35456  Helianthus annuus W. L. Jepson 1895-9-14 Contra Costa Walnut Creek 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
  CDA8364  Helianthus californicus D. G. Kelch 2004-9-2 4 .332 Contra Costa Carquinez Strait; Marsh east of Martinez and I-680 and east of Lone Tree Marsh. Comment
  UC521719  Helianthus californicus Joseph Andorfer Ewan 1933-10-15 8037 Contra Costa sw slope Mount Diablo (along open creek bed or burned area) Comment
  UC697185  Helianthus gracilentus Mary L. Bowerman 1932-9-24 1592 Contra Costa knoll w of Twin Peaks; Mount Diablo 457 Comment
  UC2028257  Helianthus gracilentus Barbara Ertter 1999-6-12 16722 Contra Costa Knobcone Point Road on south side of Mount Diablo, burned chamissal at head of NE fork of Sycamore Creek. Comment
  SEINET3840820  Heliotropium curassavicum Unknown 2006-8-6 6 .361 Contra Costa Rodeo Creek, Rodeo Creek channel 4 Comment
  UC1084508  Heliotropium curassavicum G. Thomas Robbins 1940-5-19 330 Contra Costa roadside between Antioch and Rio Vista Rio Vista 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
  CAS-BOT-BC305874  Helminthotheca echioides Mary L. Bowerman 1936-10-24 3583 Contra Costa Mount Diablo. North Road, beneath two-story house 131 Comment
  CAS-BOT-BC314857  Hemizonia congesta subsp. luzulifolia R. F. Hoover 1937-9-2 s.n. Contra Costa Walnut Creek Comment
  CAS-BOT-BC314864  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1930-9-28 5488 Contra Costa 2 miles from Concord on road to Walnut Creek Comment
  UC1613950  Hemizonia congesta subsp. luzulifolia Charles M. Belshaw 1935-6-24 1032 Contra Costa Sobrante Hills Comment
  UC697176  Hemizonia congesta subsp. luzulifolia Mary L. Bowerman 1931-10-13 1061 Contra Costa w Sycamore Creek (roadside); Mount Diablo, Sycamore Valley Comment
  CAS-BOT-BC314868  Hemizonia congesta subsp. luzulifolia Jean L. Pawek 1964-8-29 608 Contra Costa Tilden Park Comment
  CDA15271  Hemizonia fitchii G. F. Hrusa, D. Crowe, R. York 1998-7-17 14708 Contra Costa Sacramento Delta; E end of Dow Chemical property, Pittsburg. Comment
  RSA181368  Hemizonia fitchii James I. McMurphy 1908-10-18 s.n. Contra Costa Antioch. Comment
  POM301046  Hemizonia fitchii Mary L. Bowerman 1936-9-17 3548 Contra Costa North Road 2.5 miles from North Gate. 244 Comment
  POM360296  Hemizonia fitchii E. E. Stanford 1930-9-20 2100 Contra Costa Near Walnut Creek Comment
  RSA121592  Hemizonia fitchii H. S. Yates 1934-9-2 4086 Contra Costa 2 miles S of Mt. Diablo. 579 Comment
  SEINET2030221 Image available Hemizonia fitchii L. S. Rose 1941-10-13 1298 Contra Costa 1 mile east of Walnut Creek 50 Comment
  SEINET7883352 Image available Hemizonia heermannii L. S. Rose 1941-1 41465 Contra Costa 1 mi E of Walnut Creek Comment
  POM298244  Hemizonia lobbii H. M. Hall 1930-6-18 12792 Contra Costa Somersville, hills S of Pittsburg. Comment
  RSA81518  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1909-9-24 s.n. Contra Costa San Ramon. Comment
  RSA81672  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1909-9-25 s.n. Contra Costa Walnut Creek. Comment
  JEPS75523  Heracleum lanatum P. F. Yorks 1974-5-19 160 B Contra Costa n. Briones Reservoir (ca. 1.7 km. s. of Bear Creek Rd. on Hampton Rd. in Hampton Road Natural Reserve); Hampton Road Natural Reserve 180 Comment
  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
  UC1118396  Hesperevax sparsiflora var. sparsiflora C. M. Belshaw 1936-5-7 2045 Contra Costa 2 mi s of (plot 1) San Ramon; Mt Diablo Quadrangle Comment
  UC691822  Hesperevax sparsiflora var. sparsiflora Mary L. Bowerman 1931-4-25 753 Contra Costa 2 mi by road from west entrance Mount Diablo Comment
  UC2070646  Hesperocnide tenella Barbara Ertter 2003-3-28 18117 Contra Costa Round Valley Regional Preserve, ca 1 mile west of trailhead. Comment
  CAS-BOT-BC167426  Hesperolinon breweri A. D. E. Elmer 1903-7-1 4545 Contra Costa Mount Diablo Comment
  CAS-BOT-BC167428  Hesperolinon breweri M. K. Curran 1884-1-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC167445  Hesperolinon breweri K. C. 1884-6-1 s.n. Contra Costa Antioch Comment
  POM86814  Hesperolinon breweri Katherine Brandegee 1907-6-16 s.n. Contra Costa Hills betweeen Antioch and Marsh Creek, on easterly side of Mt. Diablo Comment
  JEPS122859  Hesperolinon californicum Adam C. Schneider with C. Matt Guilliams 2014-5-29 444 Contra Costa Alongside Blackhawk Ridge Trail, south of its divergence from Knobcone Pine Trail. Comment
  UC35090  Hesperomecon linearis W. C. Blasdale 1893-5-13 Contra Costa Antioch Comment
  UC725833  Hesperomecon linearis A. A. Heller 1908-4-16 8890 Contra Costa East of Antioch 22 Comment
  CAS-BOT-BC422503  Hesperomecon linearis W. R. Ernst 1958-3-26 214 Contra Costa Betw. Antioch & Antioch bridge. Comment
  RSA144610  Hesperomecon linearis W. R. Ernst 1958-3-26 214 Contra Costa Sandhill bluffs facing the water between Antioch and Antioch bridge Comment
  UC1584840  Heterotheca grandiflora Jerry Powell 1990-3-9 1574 Contra Costa Antioch National Wildlife Refuge Comment
  UC581755  Heterotheca grandiflora Joseph P. Tracy 1932-9-10 10783 Contra Costa on Franklin Canyon Rd e Pinole; Rodeo Creek 91 Comment
  UCD150891  Heterotheca grandiflora James A. Neilson Jr. 1972-11-2 3678 Contra Costa Walnut Creek drainage at State Highway 4. Elevation estimated using Google Earth by label maker. 1 Comment
  RSA0074383  Heterotheca grandiflora Peter Rubtzoff 1951-10-7 823 Contra Costa Sand dunes along lower San Joaquin River, east of Antioch. Comment
  JEPS79319  Heterotheca sessiliflora subsp. echioides Edward Lee with Annetta Carter 1935-8-17 1624 Contra Costa Antioch; sand-dunes Comment
  RSA39828  Heterotheca sessiliflora subsp. echioides P. A. Munz 1947-10-8 12189 Contra Costa Antioch 12 Comment
  UC2027735  Heterotheca sessiliflora subsp. echioides Barbara Ertter 1997-2-16 15458 Contra Costa Shell Ridge Open Space on west flank of Mount Diablo. Comment
  CAS-BOT-BC424186  Heuchera micrantha var. hartwegii L. R. Abrams 1921-5-25 8056 Contra Costa 4 1.2 mi from summit Mt Diablo Comment
  JEPS97526  Heuchera micrantha var. pacifica R. D. Stone 1980-7-13 267 Contra Costa Huckleberry Trail Oakland Hills, near Alameda-Contra Costa county line (NE of intersection of Skyline Blvd. and Snake Rd.) 396 Comment
  UC1818934  Hirschfeldia incana Barbara Ertter, Mary Bowerman et al. 1995-5-7 14022 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, along road thru annual grassland with scattered blue oak south of Marsh Cr. Rd summit. 304 Comment
  JEPS111636  Holocarpha heermannii Andrew G. Murdock 2002-7-20 67 Contra Costa Mount Wanda - Martinez; ; ; crest of Mount Wanda on N side of fire road in large meadow 85 Comment
  SBBG33459  Holocarpha heermannii A. D. E. Elmer -Jul-1903 Contra Costa Mount Diablo Comment
  UC204053  Holocarpha heermannii A. D. E. Elmer Jul 1903 4613 Contra Costa Comment
  UCD133198  Holocarpha macradenia David J. Powers 1974-10-6 1001 Contra Costa east of Highway 80 and 100-300 yards south of Apian Way, Pinole. 30 Comment
  SEINET5782141 Image available Holocarpha obconica L. S. Rose 1941-10-16 41466 Contra Costa 6 mi W of Byron, on Marsh Creek Rd Comment
  CAS-BOT-BC320239  Holocarpha obconica L. R. Abrams 1917-9-13 6723 Contra Costa Patterson Pass - east side Comment
  CAS-BOT-BC320242  Holocarpha obconica David D. Keck 1933-10-27 2566 Contra Costa Vasco Road at junction with Byron Road Comment
  POM298344  Holocarpha obconica subsp. autumnalis D. D. Keck 1933-11-2 2621 Contra Costa Deer Valley, 0.5 mile S of road to Brentwood. Comment
  CAS-BOT-BC320324  Holocarpha virgata L. S. Rose 1941-10-16 41467 Contra Costa 2 miles west of Byron 33 Comment
  CAS-BOT-BC320328  Holocarpha virgata David D. Keck 1933-10-27 2568 Contra Costa 1.6 mi. W. of Byron, 1.4 mi. from junction with Vasco Road Comment
  CAS-BOT-BC320326  Holocarpha virgata David D. Keck 1933-11-2 2620 Contra Costa Horse Valley between Lone Tree Way and Marsh Creek Road, 6 miles from Antioch Comment
  POM299471  Holocarpha virgata subsp. virgata L. S. Rose 1941-10-16 41467 Contra Costa 2 miles W of Byron. 33 Comment
  SEINET4090611  Holodiscus discolor B. C. Templeton 1962-1 sn Contra Costa Mountain Diablo. Comment
  UC12336  Holodiscus discolor Ivar Tidestrom 1895-6-1 Contra Costa Crockett Comment
  CAS-BOT-BC152593  Holodiscus discolor var. discolor Alice Eastwood 1915-6-21 4733 Contra Costa San Leandro Comment
  UC691185  Hordeum brachyantherum subsp. brachyantherum Mary L. Bowerman 1935-5-16 3002 Contra Costa Russelman Park Road at Gregory Ranch junction (Mount Diablo); Mount Diablo 289 Comment
  CDA9486  Hordeum depressum D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .211 Contra Costa Byron Airport. Comment
  UC650563  Hordeum depressum Ira L. Wiggins 1930-4-17 4569 Contra Costa E of Mountain House (on road to Byron) Comment
  SEINET10958912  Hordeum hystrix Willis L. Jepson 1910-5-22 Jepson 4053 Contra Costa Very wet places in roadways. Berkeley Hills (Telegraph Canyon). 213 Comment
  CHSC116612  Hordeum marinum subsp. gussoneanum Lowell Ahart; Josephine Guardino 2016-4-19 20800 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 160 Comment
  RSA756860  Hordeum marinum subsp. gussoneanum Barbara Ertter, Jim Jokerst, Dave Magney 1989-4-5 8121 Contra Costa West and adjacent to Clifton Court Forebay, 15 air miles SW of Stockton; near sea level 0 Comment
  UC691197  Hordeum marinum subsp. gussoneanum Mary L. Bowerman 1932-11-26 1670 Contra Costa Boulevard Spring (West road) Mount Diablo (edge of spring); , Boulevard Spring Comment
  UC692426  Hordeum marinum subsp. gussoneanum Mary L. Bowerman 1931-5-13 846 Contra Costa Pine Canyon floor slightly more than a mi above the Sulphur Spring (Mount Diablo); , Pine Canyon Floor Comment
  UCD85893  Hordeum marinum subsp. gussoneanum L. S. Smith 1916-5-10 s.n. Contra Costa San Pablo. Grand View Terrace. Comment
  CAS-BOT-BC289559  Hordeum marinum subsp. gussoneanum A. A. Heller 1928-4-15 14498 Contra Costa Near Byron Comment
  SEINET10826946  Hordeum marinum subsp. gussoneanum A. Arthur Heller 1928-4-15 Heller 14498 Contra Costa Low ground near Byroa in clay soil. Comment
  POM301853  Hordeum murinum subsp. glaucum Mary L. Bowerman 1933-5-8 2003 Contra Costa Fossil Ridge, south face, not far from but out of sight of South Gate 290 Comment
  UC606740  Hordeum murinum subsp. leporinum Edward Lee 1936-4-19 1962 Contra Costa ne corner island (Red Rock, San Francisco Bay); San Francisco Bay, Red Rock, ne corner island Comment
  UC1606349  Horkelia californica subsp. frondosa Barbara Ertter with Dianne Lake 1991-8-18 10677 Contra Costa e;steep N-facing slope above pilings, ne of Bull Valley staging area Crockett; Carquinez Stsrait Regional Shoreline Comment
  UC723810  Horkelia californica subsp. frondosa Joseph Andorfer Ewan 1934-5-20 8926 Contra Costa n. side Mt. Diablo Mt. Diablo; , Russelmann Park Comment
  CAS-BOT-BC55476  Hornungia procumbens Alice Eastwood 1914-3-14 s.n. Contra Costa Byron Springs. Comment
  UCD106066  Hosackia crassifolia P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  CAS-BOT-BC401301  Hypericum scouleri L. R. Abrams 1910-10-8 4347 Contra Costa Mt Diablo 914 Comment
  UC691451  Hypochaeris glabra Mary L. Bowerman 1933-5-8 2035 Contra Costa Comment
  UC691776  Hypochaeris glabra Mary L. Bowerman 1933-5-25 2184 Contra Costa 411 Comment
  UC1584689  Hypochaeris radicata Jerry Powell 1987-7-14 1506 Contra Costa Point Molate Beach Comment
  CAS-BOT-BC311406  Hypochaeris radicata Goodwin; Bellue 1932-5-6 s.n. Contra Costa Unspecified Comment
  CAS-BOT-BC311408  Hypochaeris radicata R. E. Frenkel 1964-2-22 359 Contra Costa On Giant Road, 0.4 mile north of ATSF RR crossing, Richmond 15 Comment
  CAS-BOT-BC133498  Iris Walter Knight; Joanne Dean 1978-8-14 3152 Contra Costa Browns Island Comment
  IRVC14051  Iris douglasiana J. Lanier 1967-5-14 s.n. Contra Costa Tilden Park. Comment
  UC2070447  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
  UC692080  Isoetes howellii Mary L. Bowerman 1935-6-28 3166 Contra Costa Chase Pond s. of summit Mt.Diablo (by Old Government trail, e. side of pond); , Chase Pond 548 Comment
  UC1041107  Iva axillaris subsp. robustior J. W. Congdon 1893-7-29 Contra Costa Martinez Comment
  CAS-BOT-BC102307  Juglans hindsii Mary L. Bowerman 1936-5-6 3412 Contra Costa Mitchell Canyon floor 259 Comment
  JEPS100044  Juglans regia G. Smick 2003-5-30 GAS 209 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UCD146718  Juncus ambiguus G. F. Hrusa; D. Crowe 1998-5-8 14365 Contra Costa Sacramento-San Joaquin River Delta. Near San Joaquin River shore within Dow Chemical Property at Pittsburg. 10 Comment
  JEPS112453  Juncus balticus D. G. Kelch 2005-3-25 05 .73 Contra Costa Hercules - Carbon Carbon Road near Route 4. 50 Comment
  JEPS112455  Juncus bufonius D. G. Kelch 2005-3-24 05 .51 Contra Costa Pt. Pinole near wharf 2 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
  UC2028973  Juncus bufonius var. bufonius Barbara Ertter with Brad Olson et al. 2000-6-2 17300 Contra Costa north side Brushy Peak Regional Preserve NE of Livermore. Comment
  UC2028305  Juncus bufonius var. congestus Barbara Ertter, Susan D'Alcamo 1998-6-12 16200 Contra Costa Along Curry Canyon Road just east of Curry Point, south side of Mount Diablo. Comment
  UC2028966  Juncus bufonius var. congestus Barbara Ertter with Brad Olson et al. 2000-6-2 17305 Contra Costa Brushy Peak Regional Preserve NE of Livermore, at south base of Brushy Peak. Comment
  RSA722467  Juncus gerardi Barbara Ertter, Steve Matson 2003-5-31 18175 Contra Costa Martinez Regional Shoreline, brackish marsh along Pickleweed Trail west of Arch Bridge. Comment
  UC1795655  Juncus occidentalis Barbara Ertter, Gary Schoolcraft, Tony Morosco 1996-4-6 14566 Contra Costa West end Oyster Point Rd in Mt Diablo State Park, moist meadow just east of junction. Comment
  UC2028546  Juncus occidentalis Barbara Ertter 1998-4-4 15950 Contra Costa Shell Ridge Open Space northwest of Mount Diablo, grasslands along creek south of Indian Valley School. Comment
  UC2028588  Juncus oxymeris Barbara Ertter 1996-9-19 15299 Contra Costa Antioch Marina, edge of Dow Marsh lands. Comment
  UCD141678  Juncus oxymeris Ann F. Johnson 1978-6-26 AN 50 Contra Costa Shore of San Joaquin River, PG and E site, Antioch Dunes. Comment
  RSA0069375  Juncus patens Katie Gallagher, Nick Jensen 2014-4-26 214 Contra Costa Las Trampas Regional Wilderness. 487 Comment
  UC971685  Juncus phaeocephalus var. phaeocephalus Leo Koch 1940-6-5 1004 b Contra Costa 2 mi s San Rafael ferry dock (near highway) Comment
  JEPS111079  Juncus phaeocephalus var. phaeocephalus Lee Echols 2003-6-2 s.n. Contra Costa N of Lark Drive in SW portion of grassland within UC Berkeley's Richmond Field Station, app. .5 miles from Hwy 580 off Bayview Ave, Richmond 15 Comment
  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
  CAS-BOT-BC80925  Juniperus californica Alice Eastwood 1922-3-17 11079 Contra Costa Mt. Diablo Comment
  UC1076380  Juniperus californica Herbert L. Mason 1923-11-12 850 Contra Costa middle slopes Mt. Diablo Comment
  UC486488  Juniperus californica Mrs. G. Earle Kelly 1932-7-20 Contra Costa Laurel Dell Mt. Diablo, Laurel Dell Comment
  UC521718  Juniperus californica Joseph Andorfer Ewan 1933-10-15 8038 Contra Costa sw slope Mt. Diablo 1066 Comment
  UC727702  Juniperus californica Milo S. Baker 1946-1-1 11255 Contra Costa ca halfway to summit Mt. Diablo (near roadside at parking place) Comment
  UC77  Juniperus californica Harley P. Chandler 1901-4-5 980 A Contra Costa Mt. Diablo Comment
  SEINET10531625  Juniperus californica Lewis S. Rose 1936-11-22 Rose 36781 Contra Costa Mt. Diablo. Dry slopes. 760 Comment
  UCSB6170  Keckiella corymbosa Keator, Glenn 1959-7-1 Contra Costa 1/4 mile above Laurel camp on Mt. Diablo Comment
  JEPS100145  Kickxia elatine A. Langston 2003-7-24 AL 73 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS71238  Koeleria macrantha Mary L. Bowerman 1931-5-2 796 Contra Costa upper end of canyon, 2 n ridges, Eagle Pt. Ridge Mt. Diablo; , 2 n ridges, Eagle Pt. Ridge Comment
  POM300736  Koeleria macrantha Mary L. Bowerman 1932-4-16 1354 Contra Costa Eagle Point ridge above Twin Peaks ('1682' point) Comment
  CDA7170  Lactuca serriola D. G. Kelch 2006-7-14 6 .331 Contra Costa Carquinez Strait; Along Marine Vista Ave immmediately west of Pacheco Slough. East of Martinez. Comment
  RSA74883  Lactuca serriola Elroy Robinson 1935-9-14 s.n. Contra Costa Martinez Comment
  RSA40156  Lactuca virosa J. T. Howell 1943-8-22 19310 Contra Costa Near head of San Leandro Creek Canyon. 244 Comment
  UC1618293  Lagophylla ramosissima Barbara Ertter 1990-9-10 9636 Contra Costa eroded n-facing draw between Sindicich lagoon and Maricich lagoon (s of Martinez); Briones Regional Park, Briones Hills 335 Comment
  UC912601  Lagophylla ramosissima Herbert L. Mason 1929-9-21 5432 a Contra Costa Marsh Creek road 3 mi above Clayton (summit of grade) Comment
  JEPS112476  Lamium amplexicaule D. G. Kelch 2005-3-11 05 .34 Contra Costa Mt. Wanda - Martinez. Wanda. Fire road climbing North side of mountain 90 Comment
  SEINET7949732  Lamium amplexicaule R. R. Halse 1988-2-20 3546 Contra Costa Along State Hwy. 4 near its junction with Balfour Road, on the S edge of Brentwood. 23 Comment
  CDA22719  Lastarriaea coriacea Sue Bainbridge 2007-4-26 Byron-Airport- 5 Contra Costa Byron Airport. Comment
  UC14012  Lastarriaea coriacea Chesnut and Drew 1889-4-18 Contra Costa Antioch Comment
  CAS-BOT-BC337974  Lasthenia californica Alice Eastwood 1923-5-4 11688 Contra Costa Mt. Diablo Comment
  CAS-BOT-BC337976  Lasthenia californica Alice Eastwood 1914-3-14 3786 Contra Costa Byron Springs Comment
  CAS-BOT-BC337978  Lasthenia californica Volney Rattan 1879-1-1 s.n. Contra Costa Antioch Comment
  RSA55168  Lasthenia californica C. F. Baker 1903-4-28 2829 Contra Costa Marsh Creek, Mt. Diablo. Comment
  JEPS10005  Lasthenia californica subsp. californica W. L. Jepson 1917-4-14 6864 Contra Costa Oakland Hills Comment
Read comments
Nov 18 2007
  JEPS10187  Lasthenia californica subsp. californica W. L. Jepson 1923-4-22 9874 Contra Costa open hillsides and slopes Mount Diablo Comment
  JEPS124445  Lasthenia californica subsp. californica Daniel Slakey with Randy Morgan 2015-4-3 90 Contra Costa Southwest corner at the intersection/curve of Raymond Rd. and Ames St. Comment
  RSA0068474  Lasthenia californica subsp. californica Katie Gallagher, Nick Jensen 2014-4-26 205 Contra Costa Las Trampas Regional Wilderness. 487 Comment
  CAS-BOT-BC353333  Lasthenia fremontii Robert F. Hoover 1937-5-14 2118 Contra Costa Byron Hot Springs. Comment
  UC1563908  Lasthenia fremontii Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8136 Contra Costa w and adjacent to Clifton Court Forebay (ca. 15 air mi sw of Stockton, se Contra Costa County) Comment
  UC691500  Lasthenia glaberrima Mary L. Bowerman 1935-6-21 3153 Contra Costa s Turtle Rock Comment
  UCD23266  Lasthenia glabrata Ramona Robison 2003-4-17 s.n. Contra Costa The Pantages property is located in Contra Costa County, north of Highway 4, west of Discovery Bay subdivision and Kellogg Creek, and immediately east of the end of Point of Timber Road. It is on the Woodward Island topographic quad. Comment
  UC691499  Lasthenia glabrata subsp. glabrata Mary L. Bowerman 1933-5-5 2000 Contra Costa Alamo Canyon 304 Comment
  UC90039  Lasthenia glabrata subsp. glabrata K. Brandegee 1889-5-1 Contra Costa Antioch Comment
  CAS-BOT-BC352772  Lasthenia glabrata subsp. glabrata Brandegee No date on label s.n. Contra Costa Antioch Comment
  CAS-BOT-BC352802  Lasthenia glabrata subsp. glabrata Dr. A. Kellogg 1887-1-1 s.n. Contra Costa Mount Diablo: Mitchell-Pine divide, northernmost 2750 ft. point 838 Comment
  POM301000  Lasthenia glabrata subsp. glabrata Mary L. Bowerman 1933-5-5 2000 Contra Costa Alamo Canyon, toward mouth. 305 Comment
  UC566713  Lasthenia gracilis H. L. Mason 1929-3-31 5147 Contra Costa Briones Valley Comment
  UC71908  Lasthenia gracilis The Postmaster 1900-3-24 Contra Costa Oakley Region of Mount Diablo Comment
  JEPS99509  Lasthenia microglossa Mary Bowerman 1979-4-10 Contra Costa Mount Diablo, Mitchell Canyon opposite upper end of old reservoir. Comment
  UC697156  Lasthenia microglossa Mary L. Bowerman 1936-4-23 3405 Contra Costa Mitchell-Pine Divide, northern most point Mount Diablo 838 Comment
  CAS-BOT-BC361122  Lasthenia microglossa Brandegee date not specified s.n. Contra Costa Antioch 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
  CDA9498  Lasthenia platycarpha D. G. Kelch, Michael Park, Abigail Moore 2007-5-1 7 .223 Contra Costa Byron Airport. Comment
  CAS-BOT-BC205012  Lathyrus jepsonii var. jepsonii Alice Eastwood 1915-6-21 4729 Contra Costa San Leandro Comment
  JEPS55365  Lathyrus vestitus var. vestitus H. L. Mason 1931-4-4 Contra Costa se of Mt. Diablo; Upper Marsh Creek Comment
  JEPS91399  Lathyrus vestitus var. vestitus Dean W. Taylor 1993-5-2 13420 Contra Costa hillside above Selby Siding, ca. 1 mile W of Carquinez Bridge, near BM 378 106 Comment
  UC1300852  Lathyrus vestitus var. vestitus Helen K. Sharsmith 1962-4-18 4945 Contra Costa above Carquinez Straits (Crockett-Martinez road); San Francisco Bay Region 60 Comment
  UC15363  Lathyrus vestitus var. vestitus W. H. Brewer 1862-4-30 Contra Costa Monte Diablo Comment
  UC692238  Lathyrus vestitus var. vestitus Mary L. Bowerman 1931-4-19 741 Contra Costa above lower Deer Flat Mount Diablo, Deer Flat Comment
  UC692407  Lathyrus vestitus var. vestitus Mary L. Bowerman 1930-6-5 257 Contra Costa 5.8 mi by road from North Gate (North Road); Mount Diablo 457 Comment
  UCR265179  Lavatera cretica Barbara Ertter 1991-5-12 9813 Contra Costa Central Coast, Point Isabel Regional Shoreline in southwest corner of El Cerrito, on San Francisco Bay; along old railroad right-of-way between bay and Salicornia marsh. 4 Comment
  UC30597  Layia chrysanthemoides J. Burtt Davy 1895-4-7 947 Contra Costa Antioch Comment
  UC650363  Layia chrysanthemoides Ira L. Wiggins 1930-4-17 4572 Contra Costa s Byron Comment
  CAS-BOT-BC323928  Layia chrysanthemoides Alice Eastwood; John Thomas Howell 1935-4-7 2119 Contra Costa Near Byron Comment
  UC2027818  Layia gaillardioides Barbara Ertter with Stu Garrett 1997-3-29 15531 Contra Costa West side Mount Diablo, Burma Road on Long Ridge. Comment
  CAS-BOT-BC321079  Layia glandulosa Alice Eastwood 1921-4-18 10271 Contra Costa Antioch Comment
  UC30623  Layia glandulosa unknown 1900-4-5 Contra Costa Oakley Comment
  CAS-BOT-BC321084  Layia glandulosa A. A. Heller 1928-4-15 14513 Contra Costa Sandy bluff along the San Joaquin River at Antiock. Comment
  CAS-BOT-BC327243  Layia hieracioides Mrs. Brandegee 1883-5-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC327249  Layia hieracioides David D. Keck 1941-6-5 5307 Contra Costa Berkeley Hills, Fish Creek Rd., 0.25 mi W of E. portal of Broadway Tunnel 335 Comment
  CAS-BOT-BC370665  Layia platyglossa Alice Eastwood 1915-5-30 s.n. Contra Costa Mt. Diablo Comment
  CAS-BOT-BC370670  Layia platyglossa Mary L. Bowerman 1935-4-26 2916 Contra Costa Mount Diablo. Ridge west of Indian Ceremonial Spring. 1005 Comment
  SEINET3147924  Layia platyglossa L. S. Rose 1933-4-17 33093 Contra Costa Antioch Comment
  UC2028000  Layia platyglossa Barbara Ertter, Tony Morosco 1998-4-12 16019 Contra Costa Mount Olympia on north side of Mount Diablo, around rocks at summit. Comment
  RSA121605  Layia platyglossa subsp. campestris C. M. Belshaw 1936-5-8 2064 Contra Costa SE slope of Mt. Diablo. 991 Comment
  CAS-BOT-BC274326  Leersia oryzoides Brian Atwater 1978-10-24 BA- 173 Contra Costa Between Bethel Island and Holland Tract Comment
  CDA37946  Leersia oryzoides D. G. Kelch, Mike Perlmutter 2011-9-23 11 .754 Contra Costa Immediately north of Discovery Bay. Comment
  UC692108  Lemna minor Mary L. Bowerman 1933-9-9 2427 Contra Costa n of Curry Canyon (Mount Diablo, Blackberry Spring); Mount Diablo, Blackberry Spring Comment
  JEPS99486  Lemna minor Mary Bowerman 1995-6-8 Contra Costa Mount Diablo, Pine Pond. Comment
  UC692107  Lemna minuscula Mary L. Bowerman 1933-11-4 2459 Contra Costa Alder Springs, (most easterly of the springs) Alder Springs; Mount Diablo, Alder Springs 487 Comment
  UC692109  Lemna valdiviana Mary L. Bowerman 1931-8-29 1030 Contra Costa Sheep Camp Spring, by North Road Sheep Camp Spring 533 Comment
  JEPS63257  Lepechinia calycina W. L. Jepson 1898-5-18 Contra Costa Mount Diablo Comment
  JEPS78825  Lepechinia calycina Edward Lee 1936-5-24 2166 Contra Costa 10 miles from Marsh Creek Road, Morgan Territory Comment
  JEPS111001  Lepechinia calycina W. L. Jepson 1921-11-19 9522 Contra Costa Chamise ridge, Mt. Diablo Comment
  CAS-BOT-BC89844  Lepidium Bauer 1857-5-1 s.n. Contra Costa Mond Diabola. Comment
  CAS-BOT-BC88705  Lepidium acutidens R. F. Hoover 1967-4-28 10507 Contra Costa Byron Hot Springs. Comment
  UC2029022  Lepidium coronopus Barbara Ertter 1999-7-17 16762 Contra Costa Wildcat Canyon Regional Park in East Bay Hills, Rifle Range Road. Comment
  CAS-BOT-BC89054  Lepidium didymum Ira L. Wiggins 1930-4-18 4595 Contra Costa East end of Jersey Island. Comment
  POM181449  Lepidium didymum I. L. Wiggins 1930-4-18 4595 Contra Costa East end of Jersey Island. Comment
  UCD115342  Lepidium didymum Collector unknown Date unknown s.n. Contra Costa Jersey Island. Comment
  CAS-BOT-BC89713  Lepidium latifolium W. Knight; I. Knight 1977-5-22 s.n. Contra Costa Antioch Dunes. Comment
  JEPS100082  Lepidium latifolium A. Langston 2003-6-6 AL 34 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC1607701  Lepidium latifolium Barbara Ertter 1991-5-12 9810 Contra Costa sw corner El Cerrito (Point Isabel Regional Shoreline, n of park); San Francisco Bay, Point Isabel Regional Shoreline Comment
  CAS-BOT-BC89716  Lepidium latifolium Walter Knight 1978-8-12 3231 Contra Costa Ca. 0.8 mile east of Point Pinole. Comment
  UC1949386  Lepidium latifolium Barbara Ertter with CNPS 1990-9-16 9649 Contra Costa SE side of Holland Tract NE of Brentwood Comment
  JEPS25391  Lepidium latipes Rimo Bacigalupi with G. T. Robbins and Francia Chisaki 1959-4-14 7005 Contra Costa 8 mi s Antioch (just off Deer Valley Road); Briones Valley 79 Comment
  UC10641  Lepidium latipes W. H. Brewer 1862-4-24 985 Contra Costa Camp 68 Martinez 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
  CHSC67205  Lepidium nitidum James D. Jokerst 1991-3-28 3227 Contra Costa Kellogg Reservoir Inundation Zone at 'Upper Greasewoods,' N of Livermore. Comment
  JEPS104705  Lepidium nitidum John L. Morrison 1937-3-6 1969 Contra Costa Bear Creek Canyon; Black Hills; San Pablo watershed area Comment
  UC10671  Lepidium nitidum J. Burtt Davy 1897-4-17 Contra Costa Point Isabel Comment
  UC765053  Lepidium nitidum R. F. Hoover 1938-2-27 2786 Contra Costa Danville Comment
  JEPS16599  Lepidium oxycarpum Edward Lee Greene 1888-4-17 Contra Costa Wildcat Creek Comment
  JEPS99536  Lepidium strictum Mary L. Bowerman 1995-5-28 Contra Costa Mount Diablo, fire road from Macedo Ranch to Wall Pt. Ridge. Comment
  UCD115836  Lepidium strictum G. Thomas Robbins 1959-4-26 4006 Contra Costa About 1 mile northeast of Giant and about one-fourth mile north of San Pablo Oil Tank Farm. 7 Comment
  UC2027821  Leptosiphon androsaceus Barbara Ertter with Stu Garrett 1997-3-29 15529 Contra Costa West side Mount Diablo, Burma Road on Long Ridge. Comment
  UC2027726  Leptosiphon bicolor Barbara Ertter with Brad Olson, Jim Shevock, et al. 1997-3-19 15506 Contra Costa Vasco Caves Regional Park east of Los Vaqueros Reservoir between Livermore and Brentwood. Comment
  UCD118625  Leptosiphon bicolor Laurence S. Jones 1934-4-8 s.n. Contra Costa West slopes of Mt. Diablo. 609 Comment
  RSA77965  Leptosiphon ciliatus Verne Grant, Alva Grant 1948-5-15 8503 Contra Costa Wooded north-facing slopes of Sommerville Range, on Summerville- Antioch road Comment
  CAS-BOT-BC324116  Lessingia glandulifera var. glandulifera Peter Rubtzoff 1954-9-14 1751 Contra Costa Along lower San Joaquin River, east of Antioch Comment
  CAS-BOT-BC324118  Lessingia glandulifera var. glandulifera Alice Eastwood 1921-4-18 10270 Contra Costa Antioch Comment
  UC1094039  Lessingia pectinata var. tenuipes Lewis S. Rose 1955-10-17 55185 Contra Costa Antioch Comment
  CAS-BOT-BC444385  Lewisia rediviva Paul F. Covel 1940-5-12 s.n. Contra Costa Summit, Mt. Diablo Comment
  SEINET10925827  Leymus X multiflorus Edward Lee 1935-8-13 Lee 1616 Contra Costa With stolons. Open grassy roadside. Vaca Canyon. Comment
  POM365328  Leymus condensatus A. A. Beetle 1941-6-24 1751 Contra Costa Pt. Richmond on San Francisco Bay Comment
  CAS-BOT-BC283733  Leymus condensatus W. A. Silveus 1938-7-5 3215 Contra Costa El Cerrito Comment
  UCD87580  Leymus triticoides R. Tofsrud 1947-6-12 176 Contra Costa W of Byron about 4 miles in the 'Arroyo de la Canada. Comment
  UCD87775  Leymus triticoides M. Wiesendanger 1926-6-1 1527 Contra Costa Richmond. Comment
  CAS-BOT-BC272213  Leymus triticoides Mary L. Bowerman 1935-6-28 3159 Contra Costa Inner Black Hills west of the meridian, Mount Diablo Comment
  RSA0021082  Leymus triticoides Mary L. Bowerman 1935-6-28 3159 Contra Costa Mount Diablo. Inner Black Hills west of the meridian. 473 Comment
  UC1055944  Lilaea scilloides Francia Chisaki, Peter Kamb, and S. Galen Smith 1951-4-14 1979 Contra Costa 7 mi n Walnut Creek (e of Highway 21, 0.2 mi s of intersection with Highway 4) Comment
  UCD127576  Lilaeopsis masonii Robert E. Preston 1991-10-1 604 Contra Costa Antioch, Big Break Marina, along east side of levee north of the marina. 0 Comment
  UC1949286  Limnanthes douglasii subsp. rosea Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 Contra Costa sink W and adjacent to Clifton Court Forebay, ca 15 airmiles SW of Stockton Comment
  UC727781  Linanthus bicolor Milo S. Baker 1946-4-20 11332 Contra Costa s of Clayton (summit) Comment
  POM138838  Linum grandiflorum C. F. Baker 1903-4-28 s.n. Contra Costa Byron? Comment
  CAS-BOT-BC430613  Lithophragma affine Lewis S. Rose 1933-4-17 33099 Contra Costa Walnut Creek Comment
  CAS-BOT-BC430619  Lithophragma affine John Thomas Howell 1933-5-14 11280 Contra Costa Hills east of St. Mary's College Comment
  JEPS112262  Lithophragma affine A. G. Murdock 2004-4-30 265 Contra Costa Vaca Canyon Comment
  SEINET6032167  Lithophragma affine H. E. Hodge 1956-4-7 23 Contra Costa 2 miles north of Orinda 61 Comment
  CDA945  Lithophragma heterophyllum D. G. Kelch 2006-5-4 6 .124 Contra Costa Carquinez Strait; Vaca Canyon, on North facing road cut/bank along Alhambra Valley Road. Comment
  UC1300838  Lithophragma heterophyllum Helen K. Sharsmith 1963-3-3 5193 Contra Costa near Moraga (Las Trampas Canyon E of St. Mary's College) 259 Comment
  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
  UC2029036  Lithophragma heterophyllum Barbara Ertter 2000-3-30 16906 Contra Costa North side of Mount Diablo, Mitchell Canyon Road west of base of switchbacks. Comment
  UC1005823  Lobelia tupa N. Floy Bracelin 1944-10-15 2815 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1819053  Logfia filaginoides Barbara Ertter, Chris Thayer 1995-4-25 13994 Contra Costa Southeast side of Mt. Diablo northeast of Danville; Black Hawk Ridge Rd. on north side Black Hawk Ridge. 548 Comment
  UC32010  Logfia filaginoides Harley P. Chandler 1901-4-5 963 Contra Costa Mt. Diablo Comment
  UC912261  Logfia filaginoides Lucile Mason 1934-4-8 Contra Costa Marsh Creek- Livermore Road; Curry Creek Comment
  UC1795896  Logfia gallica Barbara Ertter, Chris Thayer 1995-4-25 13992 Contra Costa Southeast side of Mt. Diablo northeast of Danville; Devil's Slide area of Sycamore Canyon, roadside thru chaparral zone. 304 Comment
  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
  UC2042870  Logfia gallica Barbara Ertter with Travis Columbus 1990-6-10 9101 Contra Costa NE corner of Briones Regional Park, Briones Hills W of Pleasant Hill, trails heading down ridge on N of Briones Peak. Comment
  JEPS97558  Lolium multiflorum R. D. Stone 1980-7-13 278 Contra Costa 'Huckleberry Trail Oakland Hills, near Alameda-Contra Costa county line (NE of intersection of Skyline Blvd. and Snake Rd) Comment
  UC38784  Lolium multiflorum J. Burtt Davy 1897-9-4 4078 Contra Costa Stege Comment
  UC38790  Lolium multiflorum J. Burtt Davy 1897-9-9 4078 Contra Costa Stege Comment
  UC691199  Lolium multiflorum Mary L. Bowerman 1935-5-1 2940 a Contra Costa West [= North Rd.] road 2.1 mi from entrance Mount Diablo (just below the road, Mount Diablo); , West road [= North Rd.] 182 Comment
  UC691198  Lolium temulentum Mary L. Bowerman 1935-5-16 3006 Contra Costa e side of North Peak Mount Diablo (behind Gabriel-Hinks'); , (e side of North Peak) 289 Comment
  JEPS128781  Lomatium caruifolium Kevin Hintsa 2000-4-6 Contra Costa Mount Diablo State Park, Mitchell Canyon at connector trail between lower section of Black Point Trail and lower White Canyon (on N edge of trail barely W of Black Point Trail's eastern section). 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
  UC196245  Lomatium caruifolium var. caruifolium Edw. L. Greene 1889-3-23 Contra Costa near Byron Comment
  UC691428  Lomatium macrocarpum Mary L. Bowerman 1933-4-26 1906 Contra Costa ridge e.-s.e of the peak North Peak; Mt. Diablo 579 Comment
  UC691429  Lomatium macrocarpum Mary L. Bowerman 1933-4-26 1906 Contra Costa e.-s.e. of the peak North Peak ridge (Mt. Diablo); Mt. Diablo 579 Comment
  UC691771  Lomatium macrocarpum Mary L. Bowerman 1935-5-1 2945 Contra Costa w. rd. 4.4 mi. from entrance Mt. Diablo 381 Comment
  JEPS17533  Lomatium nudicaule W. L. Jepson May 22 1891-May 23 1891 14314 Contra Costa Mt. Diablo Comment
  UC691424  Lomatium utriculatum Mary L. Bowerman 1932-2-28 1091 Contra Costa ridge E of Rhine Canyon 487 Comment
  UC691471  Lomatium utriculatum Mary L. Bowerman 1930-6-5 260 Contra Costa 5.8 mi from North Gate (North Road); Mount Diablo 457 Comment
  UC2062645  Lomatium utriculatum Barbara Ertter with David Gowen, Mike Park 2004-4-13 18358 Contra Costa Black Diamond Mines Regional Park south of Pittsburg, upper part of N-facing slope below Black Diamond Trail, opposite Rose Hill Cemetery. Comment
  UC1051201  Lonicera etrusca N. Floy Bracelin 1944-6-4 2245 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  JEPS12831  Lonicera hispidula var. vacillans W. L. Jepson 1923-6-10 9988 Contra Costa head of Marsh Creek (Mt. Diablo); Mt. Diablo Comment
  RSA455187  Lonicera hispidula var. vacillans Thekla Mohr 1917-07 s.n. Contra Costa Mount Diablo Comment
  UC691482  Lonicera hispidula var. vacillans Mary L. Bowerman 1935-6-21 3145 Contra Costa e fork Arroyo del Cerro (several hundred yards below the spring) 289 Comment
  RSA666356  Lonicera japonica Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10694 Contra Costa Browns Island N of Pittsburg near confluence of Sacramento and San Joaquin rivers opposite Pittsburg Marina; west end of island. Comment
  UC1050675  Lonicera pileata f. yunnanensis N. Floy Bracelin 1941-4-20 1183 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC691485  Lonicera subspicata var. denudata Mary L. Bowerman 1931-6-4 922 Contra Costa summit Mount Diablo (on n face) Comment
  UC1005847  Lonicera tatarica N. Floy Bracelin 1945-4-1 2840 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1050946  Lonicera thibetica N. Floy Bracelin 1942-8-9 2245 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC692271  Lotus crassifolius var. crassifolius Mary L. Bowerman 1930-6-10 312 Contra Costa Meridian Peak summit Mount Diablo Comment
  UC692530  Lotus humistratus Mary L. Bowerman 1933-5-2 1940 Contra Costa below Pioneer Camp; Mount Diablo 762 Comment
  UC15642  Lotus micranthus W. H. Brewer 1862-5-26 1173 Contra Costa near Monte Diablo Comment
Read comments
May 4 2008
  CDA28972  Lotus scoparius D. G. Kelch, Suzanne Latham, Matt Beyers 2009-6-3 9 .331 Contra Costa East Bay.; El Sobrante Ridge at end of Silver Belt Dr. on Miocene chert outcrop. Comment
  JEPS111572  Ludwigia peploides D. G. Kelch 2004-7-9 04 .299 Contra Costa Port Costa - Reservoir. Port Costa pond 28 Comment
  JEPS75465  Lupinus albifrons P. F. Yorks 1974-3-22 120 Contra Costa on Hampton Road ca 1.6 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Reserve, n of Briones Reservoir Comment
  UC127542  Lupinus albifrons H. P. Chandler 1900-3-24 586 Contra Costa Briones Hills Comment
  UC750647  Lupinus albifrons Lewis S. Rose 1946-4-1 46023 Contra Costa above Wildcat Creek (Berkeley Hills); , above Wildcat Creek 396 Comment
  SEINET11071663 Image available Lupinus albifrons Lewis S. Rose 1935-5-16 35162 Contra Costa Mt. Diablo Comment
  UCD105988  Lupinus albifrons P. B. Kennedy 1929-4-21 s.n. Contra Costa Happy valley, road off from Lafayette. Comment
  UC1607647  Lupinus albifrons var. albifrons Barbara Ertter 1993-4-2 11474 Contra Costa along railroad w Crockett (base of n-facing bluffs at w end of Carquines Strait, San Pablo Bay); San Pablo Bay, w end of Carquines Strait Comment
  UC864974  Lupinus albifrons var. albifrons Lewis S. Rose 1935-5-16 35162 Contra Costa Mt. Diablo Comment
  UC1795854  Lupinus albifrons var. albifrons Barbara Ertter, Brad Olson, Diane Lake 1996-4-14 14594 Contra Costa Sycamore Spring Trail off Prospectors Gap Rd., east side Mt. Diablo. 640 Comment
  CAS-BOT-BC196037  Lupinus albifrons var. collinus L. R. Abrams 1921-5-25 8024 Contra Costa Summit, Mt. Diablo 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
  OBI49327  Lupinus albifrons var. collinus Joseph Andorfer Ewan 1934-3-10 8645 Contra Costa 2 mi below Orinda road bridge, Wildcat Cyn Comment
  JEPS22882  Lupinus arboreus John Weiler with G. T. Robbins 1959-5-23 5991 Contra Costa nw side Brooks Island; San Francisco Bay, nr Richmond, Brooks Island Comment
  JEPS112345  Lupinus bicolor Dean G. Kelch and Andrew G. Murdock 2004-4-25 04 .111 Contra Costa Martinez - West: Ozol Rock and Scenic Drive; County: contra Costa; West Martinez on Carquinez Dr. Comment
  JEPS73601  Lupinus bicolor L. R. Heckard 1971-4-22 2497 Contra Costa along railroad grade near highway 80 crossing e Pinole; e of Pinole Comment
  UC33589  Lupinus bicolor J. P. Tracy 1900-3-24 624 Contra Costa Point Richmond San Francisco Bay, Point Richmond (Dry Hill) 15 Comment
  UC73195  Lupinus bicolor Chesnut and Drew 1889-4-18 Contra Costa Antioch Comment
  UC762917  Lupinus bicolor R. F. Hoover 1935-3-10 306 Contra Costa Antioch Comment
  UC764122  Lupinus bicolor R. F. Hoover 1938-5-4 3343 Contra Costa peak e Tassajero Creek; peak e of Tassajero Creek Comment
  SEINET3134686  Lupinus bicolor L. S. Rose 1942-4-23 42013 Contra Costa Walnut Creek Comment
  UCSB11603  Lupinus bicolor Grah, Nancy 1962-4-14 Contra Costa 0.8 miles on Tappan Lane; north of Tarry Lane, Orinda 243 Comment
  UC1073380  Lupinus bicolor subsp. umbellatus George B. Rossbach 1955-3-13 323 Contra Costa just e Antioch (along San Joaquin River); , just e of Antioch Comment
  CAS-BOT-BC187863  Lupinus chamissonis Alice Eastwood 1914-2-24 3735 Contra Costa Antioch Comment
  UCD107012  Lupinus chamissonis Beecher Crampton 1973-3-26 8907 Contra Costa 2 miles S.E. of Oakley. Comment
  SEINET10485248  Lupinus densiflorus var. menziesii Walker 1911-7-8 Walker 2526 Contra Costa Near point isabel, e shore of san francisco bay. Growing in sand banks along Railway. Fls bright yellow. Comment
  UCD107762  Lupinus formosus P. B. Kennedy 1916-5-11 12 Contra Costa Grand View Terrace; Richmond District. Comment
  UC2070479  Lupinus formosus Barbara Ertter with David Gowen 2006-6-6 18677 a Contra Costa Upper San Leandro Reservoir Watershed (EBMUD) south of Moraga. 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
  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
  UC201014  Lupinus microcarpus var. densiflorus Katharine Brandegee 1918-6-16 Contra Costa near Virgorit Powder Works; near Vigorit Powder Works Comment
  UC201017  Lupinus microcarpus var. densiflorus Katharine Brandegee 1918-6-16 Contra Costa near Vigorit Powder Works; near Vigorit Powder Works Comment
  UCR197907  Lupinus microcarpus var. densiflorus Beecher Crampton 1950-4-22 525 Contra Costa Above site of Judsonville, west of old Empire mine 183 Comment
  UC155195  Lupinus microcarpus var. microcarpus Katharine Brandegee 1907-5-5 Contra Costa Antioch Comment
  UC15958  Lupinus microcarpus var. microcarpus A. Eastwood 1894-5-3 Contra Costa Antioch Comment
  UC1301168  Lupinus nanus Helen K. Sharsmith 1962-4-18 4960 Contra Costa near Canyon; San Francisco Bay Region 152 Comment
  RSA0027639  Lupinus pachylobus Barbara Ertter, Tony Morosco 1998-4-12 16002 Contra Costa Base of Mount Olympia on north side of Mount Diablo, slope above quarry NE of Olympia Trail, with numerous outcrops. 518 Comment
  UC2027717  Lupinus pachylobus Barbara Ertter with Stu Garrett 1997-3-29 15522 a Contra Costa West side Mount Diablo, Burma Road above North Gate Road. Comment
  UC2070441  Lupinus pachylobus Barbara Ertter with Linda Vorobik 2002-4-6 17823 Contra Costa South side of Mount Diablo, roadside NW of Curry Point trailhead. Comment
  UC2070481  Lupinus pachylobus Barbara Ertter 2003-3-28 18132 Contra Costa Round Valley Regional Preserve, upper Hardy Canyon. Comment
  PASA1681  Lupinus succulentus Annetta Carter 1929-3-31 Contra Costa Hills north of Mt. Diablo, near Clayton Comment
  JEPS112442  Luzula macrantha Dean G. Kelch 2004-4-11 04 .63 Contra Costa Crockett - 5th St. Prairie 85 Comment
  CDA5756  Lycium chinense T. C. Fuller 1964-11-6 12810 Contra Costa Knightsen. 0 Comment
  JEPS107097  Lythrum californicum Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10695 Contra Costa Browns Island N of Pittsburg near confluence of Sacramento & San Joaquin rivers, opposite Pittsburg Marina, center of w. end of island Comment
  JEPS78624  Lythrum californicum Walter Knight, L. R. Heckard and Bert Johnson 1978-9-28 3281 Contra Costa Browns Island, Botany Cove Browns Island; , Botany Cove Comment
  JEPS100062  Lythrum hyssopifolia A. Langston 2003-7-9 AL 65 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS111529  Lythrum hyssopifolia D. G. Kelch 2005-5-5 05 .213 Contra Costa Point Pinole - Giant Marsh 3 Comment
  UCD150881  Lythrum hyssopifolia James A. Neilson Jr. 1972-11-2 3617 Contra Costa Walnut Creek drainage. Elevation estimated using Google Earth by label maker. 1 Comment
  UCR263783  Lythrum tribracteatum Barbara Ertter, Brad Olson 1991-9-28 10834 Contra Costa San Pablo Reservoir between Orinda and El Sobrante 91 Comment
  RSA0016024  Lythrum tribracteatum Barbara Ertter, Brad Olson 1991-9-28 10834 Contra Costa San Pablo Reservoir between Orinda and El Sobrante. 91 Comment
  UC691550  Madia elegans Mary L. Bowerman 1933-6-3 2240 Contra Costa Ransom Point ridge Mount Diablo Comment
  UC1952810  Madia elegans Barbara Ertter with Christopher Davidson 2010-9-1 20569 Contra Costa lower Donner Canyon on north base of Mount Diablo Comment
  UC89385  Madia exigua Katharine Brandegee May 1885 Contra Costa Antioch Comment
  CAS-BOT-BC342982  Madia gracilis John Thomas Howell 1933-5-14 11266 Contra Costa Hills east of St. Mary's College Comment
  UC2029134  Madia gracilis Barbara Ertter with Mike Park, David Gowen, and Victoria Seidman 2004-5-26 18369 Contra Costa Curry Canyon between Alder Creek and Rhine Canyon, south side of Mount Diablo. Comment
  UC725398  Madia radiata A. A. Heller 1938-4-9 15015 Contra Costa 3 mi sw Antioch Comment
  UC830900  Madia radiata A. A. Heller 1938-4-9 15015 Contra Costa 3 mi sw Antioch Comment
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Aug 21 2017
  UC89534  Madia radiata M. K. Curran May 1889 Contra Costa Antioch Comment
  CDA29210  Madia sativa D. G. Kelch 2008-6-15 8 .247 Contra Costa Carquinez Strait; Crockett hills, S of Cummings Skyway, W of Crockett Blvd. Comment
  CDA42364  Madia sativa D. G. Kelch, Vince Guise 2012-7-26 12 .239 Contra Costa Wildcat Canyon Park, Alvarado Unit. Comment
  UC33195  Madia sativa Jos. Burtt Davy 1895-1 Contra Costa Moraga Pass Comment
  UC1050874  Magnolia liliiflora N. Floy Bracelin 1942-2-22 1301 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
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Sep 11 2020
  CAS-BOT-BC8183  Malacothamnus fasciculatus subsp. fasciculatus Harvey Monroe Hall; F. M. Essig 1916-5-30 10131 Contra Costa Mt. Diablo on the westerly side north of Pine Canyon 290 Comment
  JEPS26391  Malacothamnus fremontii Kittie L. Fenley 1931-5-3 Contra Costa Nortonville Comment
  UC1042342  Malacothamnus fremontii Lewis S. Rose 1954-6-29 54081 Contra Costa Nortonville Comment
  UC692620  Malacothamnus fremontii Mary L. Bowerman 1933-5-21 2158 Contra Costa on ridge between main forks (head of Grape Spring gully) Mount Diablo, Sulplhur Spring Canyon Comment
  UC521714  Malacothamnus fremontii Joseph Andorfer Ewan 1933-10-15 8029 Contra Costa Local at edge of chamise stand near Sout slope flat, Mt. Diablo 1066 Comment
  RSA262369  Malacothamnus hallii Don C. Elfving 1964-4-26 62 Contra Costa North Gate Road, 3 miles from base of Mt. Diablo Comment
  CAS-BOT-BC204097  Malacothamnus hallii John Thomas Howell; T. H. Kearney 1950-7-5 26634 Contra Costa On North Road, Mt. Diablo 259 Comment
  UC1795741  Malacothamnus hallii Barbara Ertter, Tom Delendick 1996-5-2 14610 Contra Costa Mount Diablo State Park, North Gate Rd. near base of Long Ridge, at old developed spring, mixed scrub. 182 Comment
  UC691437  Malacothrix clevelandii Mary L. Bowerman 1933-4-26 1909 Contra Costa Mount Diablo North Peak Ridge ese North Peak; Mount Diablo, North Peak ridge, ese of the peak 609 Comment
  UC691438  Malacothrix clevelandii Mary L. Bowerman 1933-5-18 2134 Contra Costa Mount Diablo Comment
  CAS-BOT-BC345454  Malacothrix coulteri Kellogg; Bloomer 1869-5-1 s.n. Contra Costa Antioch Comment
  CAS-BOT-BC347390  Malacothrix floccifera Rimo Bacigalupi 1924-6-14 s.n. Contra Costa Summit of Mt Diablo Comment
  CAS-BOT-BC347391  Malacothrix floccifera Alice Eastwood 1921-6-11 10601 Contra Costa Mt. Diablo Comment
  JEPS111546  Malva nicaeensis D. G. Kelch 2005-3-13 05 .47 Contra Costa Crockett - weedy area under Zampa Bridge 4 Comment
  UCD150879  Malva nicaeensis James A. Neilson Jr. 1972-11-2 3619 Contra Costa Walnut Creek drainage. Elevation estimated in Google Earth by label maker. 1 Comment
  JEPS111541  Malvella leprosa A. G. Murdock 2004-6-4 315 Contra Costa Martinez - Along creek at Martinez train station 2 Comment
  UC1606434  Malvella leprosa Barbara Ertter, Brad Olson 1993-10-30 12289 Contra Costa n.e. Rodeo (across R.R. tracks from San Pablo Ave., beach next to jetty) Comment
  SEINET3450872  Marah fabacea Dean G. Kelch, Andrew G. Murdock 2003-3-21 DGK 3 .040 Contra Costa Martinez West, Martinez West, Ozol Rock and Scenic Drive 40 Comment
  UC1050529  Marah fabacea N. Floy Bracelin 1943-2-28 1950 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC2028576  Marah fabacea Barbara Ertter with Stu Garrett 1997-3-29 15540 Contra Costa West side Mount Diablo, north end of Mothers Trail. Comment
  CHSC46896  Marah oregana R. A. Schlising 1965-4-6 2775 Contra Costa Berkeley Hills. Comment
  UC691667  Matricaria discoidea Mary L. Bowerman 1932-5-6 1414 Contra Costa Mitchell Canyon Mount Diablo 213 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-BC348258  Matricaria occidentalis R. E. Frenkel 1963-5-15 202 Contra Costa East of Bixler Road between Marsh Creek Road and Point of Timber Road, about 200 yards north of pink house on west side of road, about 10-20 m. east of fence Comment
  UC1050002 Image available Maytenus boaria N. Floy Bracelin 1942-4-12 2017 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  JEPS112340  Medicago arabica Dean G. Kelch and Andrew G. Murdock 2004-5-2 04 .169 Contra Costa Crockett - Edwards Canyon; County: Contra Coasta; Edwards Canyon, Crockett, Contra Coasta County, CA. Comment
  JEPS73599  Medicago polymorpha L. R. Heckard 1971-4-22 2495 Contra Costa e of Pinole (near Highway 80 crossing) Comment
  JEPS75470  Medicago polymorpha P. F. Yorks 1975-5-15 395 -2 Contra Costa on Hampton Rd ca 1.5 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Preserve Comment
  CHSC116603  Medicago polymorpha var. brevispina Lowell Ahart; Josephine Guardino 2016-4-19 20763 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. 1.8 miles (air) northwest of LosVaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 160 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
  RSA720797  Melica californica Mary L. Bowerman 1991-5-21 s.n. Contra Costa Mount Diablo. Jim White trail (Deer Flat Road) South side of Juniper-Moses Rock Trail near Deer Flat junction. Comment
  UC1132245  Melica californica C. M. Belshaw 1936-5-8 2051 Contra Costa 1.75 mi sse Mt. Diablo summit; Mt. Diablo Quad. 609 Comment
  UC53582  Melica californica H. M. Hall 1904-4-5 Contra Costa Mt. Diablo; San Francisco Bay Region Comment
  CAS-BOT-BC271217  Melica californica Niall McCarten; V. I. Dains 1986-6-1 03251142 Contra Costa W. of Camino Diablo and Kellogg Creek Comment
  SEINET190972 Image available Melica imperfecta A. A. Beetle 1941-3-28 1723 Contra Costa Near Orinda Comment
  UC691221  Melica imperfecta Mary L. Bowerman 1932-3-12 1120 Contra Costa Alamo Canyon Mount Diablo (near trail) 365 Comment
  CAS-BOT-BC281433  Melica imperfecta Mary L. Bowerman 1931-4-18 714 Contra Costa Mount Diablo. Sycamore Canyon: moist bank where the chaparral does not extend down to the trail 335 Comment
  CAS-BOT-BC262510  Melica torreyana Mary L. Bowerman 1935-5-25 3071 Contra Costa Mount Diablo. Meridian Peak south of the summit (east of the hairpin turn on road) 1066 Comment
  POM300623  Melica torreyana Mary L. Bowerman 1935-5-18 3024 Contra Costa Mount Diablo, Northwest facing slope across the road from, and a little east of, the parking area. 1067 Comment
  UC1950128  Melica torreyana Barbara Ertter with John Little 1989-4-2 8111 Contra Costa Hillside Park in El Cerrito, on steep W-facing slope Comment
  CDA15238  Melilotus indicus G. F. Hrusa, D. Crowe 1998-5-8 14369 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg. Comment
  UC407395  Melilotus indicus Ira L. Wiggins 1930-4-18 4599 Contra Costa Jersey Island Comment
  JEPS102899  Mentha spicata Barbara Ertter with Mary Bowerman 1996-11-21 15394 Contra Costa downstream from Mitchell Canyon trailhead Mount Diablo 182 Comment
  JEPS112484  Mentha spicata var. spicata D. G. Kelch 2004-4-30 04 .159 Contra Costa Alhambra Valley Along Alhambra Valley Road 120 Comment
  UC1949288  Mentzelia affinis Barbara Ertter 1991-5-5 9773 Contra Costa Black Diamond Mines Regional Preserve S of Pittsburg, S side of Rose Hill above Nortonville Pass Comment
  POM89173  Mentzelia affinis Katherine Brandegee s.n. Contra Costa Byron Hot Springs. Comment
  JEPS42758  Mentzelia dispersa W. L. Jepson 1921-5-22 9202 Contra Costa Mt. Diablo 914 Comment
  UC672665  Mentzelia micrantha H. L. Mason 1928-4-29 4435 Contra Costa Mount Diablo, Sycamore Canyon Comment
  UC692630  Mentzelia micrantha Mary L. Bowerman 1930-6-10 306 Contra Costa Mount Diablo, Meridian Peak summit Comment
  CDA23915  Mesembryanthemum nodiflorum D. G. Kelch 2006-7-14 6 .327 Contra Costa Carquinez Strait; Along Marine Vista Ave immmediately west of Pacheco Slough. East of Martinez. Comment
  SEINET200754  Microcala quadrangularis J. P Tracy 1900-3-24 608 Contra Costa Near Stege 3 Comment
  UCSC008283  Micropus amphibolus Randall Morgan 1989-5-5 1587 Contra Costa Mt. Diablo near mouth of Mitchell Canyon Comment
  CAS-BOT-BC348364  Micropus californicus var. californicus Paul F. Covel 1939-5-1 s.n. Contra Costa Somersville, east of Clayton Comment
  CAS-BOT-BC348366  Micropus californicus var. californicus Brandegee No date on label s.n. Contra Costa Antioch Comment
  CAS-BOT-BC348648  Micropus californicus var. subvestitus Brandegee No date on label s.n. Contra Costa Antioch Comment
  CHSC67881  Microseris acuminata James D. Jokerst 1989-3-28 3052 Contra Costa NW of jct. Byron Hot Springs Rd. and Armstrong Rd. NE of Livermore. Comment
  CDA29517  Microseris douglasii D. G. Kelch, Troy MacGregor 2009-5-1 9 .285 Contra Costa Carquinez Strait; Fernandez Ranch in valley bottom along Christie Rd. Comment
  UCD134536  Microseris douglasii P. B. Kennedy 1925-4-26 s.n. Contra Costa Mt. Diablo. Comment
  UC2027816  Microseris douglasii Barbara Ertter with Holly Forbes 1997-4-20 15550 Contra Costa North base of Mount Diablo, roadside on trail to Back Creek from Mitchell Canyon trailhead. Comment
  JEPS25387  Microseris douglasii subsp. douglasii Rimo Bacigalupi with G. T. Robbins and Francia Chisaki 1959-4-14 7000 Contra Costa along Lone Tree Way 2 1/2 mi se Antioch (just e of Antioch Airport) 56 Comment
  UC1586069  Microseris douglasii subsp. douglasii Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8118 Contra Costa 15 air mi sw Stockton (w and adjacent to Clifton Court Forebay, se Contra Costa County) Comment
  UC71939  Microseris douglasii subsp. douglasii Jos. Burtt Davy 1897-4-17 Contra Costa Point Isabel. Comment
  UC92107  Microseris douglasii subsp. douglasii M. K. Curran 1886-1 Contra Costa Antioch Comment
  CAS-BOT-BC348897  Microseris douglasii subsp. douglasii R. E. Frenkel 1964-4-29 467 Contra Costa 0.25 mile E. of Tassajara Road on Highland Road 195 Comment
  UC1819049  Microseris douglasii subsp. douglasii Barbara Ertter, Lisa Schultheis 1995-4-27 14012 Contra Costa Lime Ridge open space northwest of Mt. Diablo in Walnut Creek; northwest side of open grassy ridge at end of Arbolado Dr. 121 Comment
  UC2027851  Microseris douglasii subsp. douglasii Barbara Ertter with Stu Garrett 1997-3-29 15527 Contra Costa West side Mount Diablo, Burma Road on Long Ridge. Comment
  UC70182  Microseris douglasii subsp. tenella J. Burtt Davy May 1898 Contra Costa Danville Mount Diablo Region Comment
  CAS-BOT-BC349167  Microseris elegans K. L. Chambers 1953-4-25 448 Contra Costa Balfour Road, ca. 4 mi. w. of Brentwood and 1.8 mi. e. of its junction with Antioch-Briones Valley Road (Deer Valley Road). Foothills on east side of Mount Diablo Range Comment
  CAS-BOT-BC7486  Microseris leiosperma M. K. Curran 1886-1-1 s.n. Contra Costa Antioch Comment
  UCSB5226  Microsteris gracilis Kamb, Peter 1950-3-18 Contra Costa Head of Pine Canyon; Mount Diablo 533 Comment
  LA209144  Mimulus aurantiacus H. Lewis; 1940-7-5 sn Contra Costa E of Berkeley Comment
  JEPS78822  Mimulus aurantiacus var. aurantiacus Edward Lee 1936-5-24 2164 Contra Costa 10 mi from Marsh Creek Road; Morgan Territory Comment
  UC691570  Mimulus douglasii Mary L. Bowerman 1932-2-28 1097 Contra Costa w Blackberry Spring; Mount Diablo 609 Comment
  RSA454334  Mimulus guttatus L. S. Rose 1941-3-27 41064 Contra Costa 2 mi. w. of Byron. 46 Comment
  UC103726  Mimulus latidens M. K. Curran May 1886 Contra Costa Antioch Comment
  UC103731  Mimulus latidens T. S. Brandegee May 1889 Contra Costa Antioch 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
  UC725862  Mimulus nasutus A. A. Heller 1942-4-12 Contra Costa 2 mi n Blue Tent Creek Comment
  UC691564  Mimulus rattanii Mary L. Bowerman 1933-6-3 2246 Contra Costa summit Meridian Peak (ridge n of lower junction of one-way roads); Mount Diablo Comment
  UC691650  Mimulus rattanii Mary L. Bowerman 1933-5-31 2222 Contra Costa Juniper Camp Mount Diablo Comment
  UC1818903  Mimulus rattanii Barbara Ertter, Mary Bowerman 1994-6-19 12845 a Contra Costa Mt. Diablo State Park east of Walnut Creek; lower Summit Parking Lot, opening on North side, ca. 3700'. Comment
  UC692298  Minuartia californica Mary L. Bowerman 1935-3-16 2730 Contra Costa Shell Ridge Mount Diablo (just e of the hwy, (opposite Heather Farm)) Comment
  UC692297  Minuartia douglasii Mary L. Bowerman 1935-4-17 2825 Contra Costa West Road (= North Rd.) 2 mi from entrance; Mount Diablo 237 Comment
  RSA59589  Minuartia douglasii Verne Grant, Alva Grant 1950-5-13 8897 Contra Costa Saddle between N & Meridian peaks, Mt. Diablo. Comment
  CAS-BOT-BC221680  Monardella douglasii Volney Rattan 1886-6-14 s.n. Contra Costa Mt. Diablo Comment
  CAS-BOT-BC220514  Monardella villosa L. R. Abrams 1916-6-30 5707 Contra Costa Mt Diablo near lake Comment
  UC104641  Monardella villosa subsp. villosa Katharine Brandegee June 1905 Contra Costa Martinez Comment
  JEPS108222  Monolopia gracilens David Gowen 2005-5-6 278 Contra Costa Mt. Diablo State Park. Prospectors Gap Rd. ca 1/4 mile east of Prospectors Gap. Comment
  CHSC22932  Monolopia major Robert A. Schlising 1962-4-7 2143 Contra Costa Coast Ranges. S of Jct Empire Mine Road and Lone Tree Way; roadside. Comment
  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
  UC7869  Montia linearis H. M. Hall 1901-3-8 1626 Contra Costa Las Trampas Canyon; San Francisco Bay Region, Las Trampas Canyon Comment
  UC56344  Muilla maritima J. Burtt Davy 1900-3-24 6527 Contra Costa Stege Western Middle California Comment
  UC1731499  Myosurus minimus Dean William Taylor 1971-3-28 961 Contra Costa along road J4 3 mi s of Byron (at Holley Road); road J4 at Holley Road 9 Comment
  UC1738112  Myosurus minimus subsp. apus D. E. Stone 1955-8-29 14 -8 Contra Costa 3 mi S of Byron (on the road to Herdlyn) Comment
  JEPS112428  Myriophyllum aquaticum Christopher Thayer 1996-3-29 Contra Costa Pinole Creek, near intersection of Pinole Vally Rd and Castro Ranch Rd, on East Bay Municipal Utility District land Comment
  UCD18346  Myriophyllum sibiricum M. R. Bell 1950-10-9 s.n. Contra Costa near Concord, from stock pond on farm of E.J. Mangini. Comment
  CDA36299  Myriophyllum spicatum Ed Finley, Mark Lubinski 1988-9-26 Contra Costa Brentwood, Cruiser Haven Marina. 7000 Orwood Road. 0 Comment
  POM264922  Nassella cernua A. A. Beetle 1941-3-28 1718 Contra Costa Orinda Comment
  CAS-BOT-BC259902  Nassella lepida Mary L. Bowerman 1938-6-30 3701 Contra Costa Mount Diablo. Blue Oak Flat 822 Comment
  JEPS116788  Nassella lepida David Gowen 2006-6-14 612 Contra Costa Morgan Territory Regional Park; At the NW end of Eagle Trail. Comment
  POM301847  Nassella lepida Mary L. Bowerman 1935-5-1 2936 Contra Costa North Road 2 mi from North Gate Comment
  UC692412  Nassella pulchra M. L. Bowerman 1935-4-26 2902 Contra Costa Indian Ceremonial Spring, W of Mount Diablo 1021 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
  UC2042806  Navarretia heterandra Barbara Ertter with Joanne Kerbavaz 2000-8-20 17496 a Contra Costa South side Mount Diablo, across road from Curry Point trailhead. Comment
  SEINET3163766  Navarretia mellita J. T. Howell 1938-6-30 13938 Contra Costa head of Siesta Valley Comment
  UCR197895  Navarretia pubescens Beecher Crampton 1949-9-11 493 Contra Costa Mount Diablo State Park, below main road, opposite Oak Knoll Picnic area 518 Comment
  UC1607552  Navarretia squarrosa Barbara Ertter with Laura Fujii 1990-7-21 9398 Contra Costa w of Pleasant Hill (near junction of Briones Crest and Spengler trails); Briones Regional Park, Briones Hills 396 Comment
  UCD36023  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
  JEPS111832  Nemophila heterophylla A. G. Murdock 2004-3-5 210 Contra Costa Sky Ranch Along fire road bank 160 Comment
  JEPS3141  Nemophila heterophylla Mary L. Bowerman 1930-6-10 308 Contra Costa Meridian Peak Summit , Meridian Peak summit (Mount Diablo) Comment
  OBI70548  Nemophila heterophylla D. G. Kelch 2007-3-24 7 .095 Contra Costa Ozol; between Port Costa and Martinez, near old brick quarry 52 Comment
  PASA2110  Nemophila heterophylla Annetta Carter 1929-3-31 Contra Costa near Clayton Comment
  UC67126  Nemophila heterophylla Harley P. Chandler 1901-4-5 985 Contra Costa summit Mt. Diablo Comment
  POM289447  Nemophila heterophylla Lyman Benson 1931-3-18 2661 Contra Costa Martinez; Mt Range: South Coast; Watershed: Sacramento River. 91 Comment
  UC2028076  Nemophila heterophylla Barbara Ertter, Tony Morosco 1998-4-12 15998 Contra Costa Base of Mount Olympia on north side of Mount Diablo, talus above quarry NE of Olympia Trail. Comment
  UC691706  Nemophila heterophylla Mary L. Bowerman 1931-3-7 556 Contra Costa Sloan Road w of Sloan Ranch Mount Diablo (Mount Diablo); , w of Sloan Ranch Comment
  JEPS25353  Nemophila menziesii Rimo Bacigalupi with Paul C. Hutchinson and John Weiler 1959-3-19 6963 Contra Costa 2.4 mi w Byron (s-facing low hill along Camino Diablo, 0.3 mi e of junction with Vasco Road); along Camino Diablo, w of Byron 60 Comment
  UC880892  Nemophila menziesii Lewis S. Rose 1941-3-13 41029 Contra Costa 3 mi w Byron; w of Byron 30 Comment
  UC2027953  Nerium oleander Barbara Ertter with Joanne Kerbavaz and Mary Bowerman 2000-8-20 17509 Contra Costa North side Mount Olympia in Mount Diablo State Park, bulldozed site of former occupation at Zippe Spring. Comment
  UC2028229  Nerium oleander Barbara Ertter 1998-11-15 16467 Contra Costa North side Mount Olympia on north side Mount Diablo. Comment
  UC651281  Nicotiana glauca Ira L. Wiggins 1930-4-18 4604 Contra Costa e end Jersey Island Comment
  UCD164893  Nicotiana glauca Henry House 1995-4-30 1995- 2 Contra Costa About 1.25 km west of Walnut Blvd., ca. 0.5 km south of Marsh Creek Rd. 60 Comment
  RSA0027889  Nicotiana quadrivalvis Barbara Ertter, David Gowen 2010-11-17 20698 Contra Costa Mangini acquisition (Save Mount Diablo) between Lime Ridge and Mount Zion. 200 Comment
  UC1050835  Nicotiana sylvestris N. Floy Bracelin 1941-5-25 1335 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  CDA5796  Nicotiana tabacum R. DeBoer 1966-12-2 Contra Costa Golden Gate Fish Co., Point San Pablo, Richmond. 0 Comment
  RSA610758  Oemleria cerasiformis Joseph A. Ewan 1935-3-2 9081 Contra Costa wildcat canyon. Comment
  UC1128078  Oemleria cerasiformis N. French 1933-3-13 36 Contra Costa San Pablo Creek San Francisco Quad. (above Sheldon School) 91 Comment
  UC691106  Oemleria cerasiformis Mary L. Bowerman 1935-3-16 2734 Contra Costa Peach Tree Springs Rd. Mount Diablo (e fork of canyon) 228 Comment
  CDA15227  Oenanthe sarmentosa G. F. Hrusa, D. Crowe 1998-5-8 14356 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg. Comment
  UC2028407  Oenanthe sarmentosa Barbara Ertter with Richard K. Brummitt 1998-5-16 16098 Contra Costa Antioch Marina, edge of brackish marsh Comment
  CAS-BOT-BC171594  Oenothera deltoides subsp. howellii K. Brandegee s.n. Contra Costa Antioch Comment
  CAS-BOT-BC171596  Oenothera deltoides subsp. howellii Peter Rubtzoff 1954-9-14 1756 Contra Costa Sand dunes along lower San Joaquin river, east of Antioch Comment
  CAS-BOT-BC171598  Oenothera deltoides subsp. howellii Lewis S. Rose 1933-4-17 33088 Contra Costa Antioch Comment
  POM310930  Oenothera deltoides subsp. howellii P. D. Hurd 1952-5-26 s.n. Contra Costa 1 mile east of Antioch in sand dunes, near western margin of San Joaquan River close to its mouth 30 Comment
  POM32717  Oenothera deltoides subsp. howellii C. F. Baker 1903-4-25 2873 Contra Costa Antioch. Comment
  UC971924  Oenothera deltoides subsp. howellii P. D. Hurd 1952-5-26 Contra Costa one mi e Antioch (in sand dunes close to w margin of river near its mouth); San Joaquin River 30 Comment
  CDA38153  Oenothera deltoides subsp. howellii F. J. Brucato 1962-5-1 s.n. Contra Costa Antioch; Wilbur Ave. 0 Comment
  RSA273285  Oenothera deltoides subsp. howellii Glenn A. Gorelick 1967-5-2 s.n. Contra Costa 1.5 miles east of Antioch Comment
  SEINET7719094  Oenothera dentata Chesnut, Drew 1889-4-18 Contra Costa Antioch Comment
  CHSC97920  Olea europaea D. G. Kelch 2006-6-23 06 .322B Contra Costa West Valona. West of the Zampa Bridge above San Pablo Ave. Along small stream draining north into the western end of the Carquinez Strait. 91 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
  UC2028243  Olea europaea Barbara Ertter, Tony Morosco 1998-9-18 16419 Contra Costa Lime Ridge Open Space northwest of Mount Diablo, western quarry area. Comment
  UC2027756  Orobanche bulbosa Barbara Ertter, Holly Forbes 1997-4-20 15560 Contra Costa North base of Mount Diablo, dogleg in Eagle Peak Trail from Coulter Pine Trail to Twin Peaks, chamissal. Comment
  JEPS10811  Orobanche fasciculata Mary L. Bowerman 1935-5-22 3056 Contra Costa Saddle west of Twin Peaks. Comment
  UC35324  Orobanche fasciculata F. T. Bioletti 1894-5-13 Contra Costa Mount Diablo. Comment
  JEPS121477  Orobanche vallicola Adam C. Schneider 2013-10-12 316 Contra Costa Briones Regional Park, along north side of Beark Creek Trail, about 3/4 mile east of Oak Grove campground. Comment
  JEPS82723  Orobanche vallicola Wayne Roderick 1981-10-2 Contra Costa s. entrance area Briones Regional Park 152 Comment
  CAS-BOT-BC502953  Orobanche vallicola A. D. E. Elmer 1903-7-1 4958 Contra Costa Mount Diablo Comment
  CAS-BOT-BC238373  Orthocarpus James McMurphy 1910-4-9 s.n. Contra Costa Antioch Comment
  SEINET12270163  Orthocarpus erianthus L. S. Rose 1932-1 32115 Contra Costa Nortonville Comment
  JEPS15928  Osmorhiza berteroi W. L. Jepson May 23 1891-May 24 1891 14254 Contra Costa Mt. Diablo Comment
  UC1094580  Osmorhiza berteroi C. R. Bell 1953-3-27 1407 Contra Costa Berkeley, U.C. campus Comment
  POM301013  Osmorhiza brachypoda Mary L. Bowerman 1938-5-28 3650 Contra Costa Junction of roads: Shady Canyon 671 Comment
  UC2062642  Osmorhiza brachypoda Barbara Ertter with Mike Park, David Gowen, and Victoria Seidman 2004-4-26 18371 Contra Costa Curry Canyon between Alder Creek and Rhine Canyon, south side of Mount Diablo. Comment
  SEINET3840906  Oxalis carnosa Unknown 1976-3-25 2117 Contra Costa International Succulent Institute, 10 Corte Sombrita, between Maraga and Orinda Comment
  SEINET920557  Oxalis corniculata August Hartman 1960-1 32 Contra Costa 2055 Carmel Drive, Concord. 22 Comment
  CHSC75108  Oxalis pes-caprae Roger Thom 1987-4-21 4 Contra Costa 3300 block of Johnson Rd. Lafayette. At edge of field. 152 Comment
  CAS-BOT-BC318278  Packera breweri Joseph Whipple Congdon 1896-5-30 s.n. Contra Costa Mt. Diablo. Comment
  UCR263529  Panicum capillare Barbara Ertter, Lisa M. Schultheis 1996-9-2 15283 Contra Costa South Gate Road, south side of Mount Diablo, not far inside park entrance near base of mountain 500 Comment
  UC2029172  Panicum dichotomiflorum Barbara Ertter 2000-7-16 17415 Contra Costa Diablo Foothills Regional Park, west end of Northgate Trail behind stables along Little Pine Creek, waste area. Comment
  HSC94231  Papaver heterophyllum C. Newberry 1994-4-30 7247 Contra Costa Mt. Diablo State Park, trail from Mitchell Canyon parking to Donner Creek 900 Comment
  UC1111579  Parietaria hespera var. californica Herbert L. Mason 1929-5-5 5260 Contra Costa Nortonville Comment
  CDA2133  Paspalum dilatatum D. G. Kelch, A. G. Murdock 2003-8-13 3 .112 Contra Costa Carquinez Strait Region; Martinez Marsh. 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
  RSA0026146  Paspalum dilatatum Barbara Ertter 1998-6-20 16241 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, Bob Pond at Old Borges Ranch. Comment
  CAS-BOT-BC259723  Paspalum distichum John Thomas Howell; Gordon H. True 1972-6-29 48941 Contra Costa Along Byron Hot Springs Road, SE of Byron Comment
  UC1606289  Paspalum distichum Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10870 Contra Costa just w Antioch (Dow Wetlands Preserve); Dow Wetlands Preserve Comment
  UC766190  Pectocarya pusilla R. F. Hoover 1938-5-4 3351 Contra Costa peak to the e Tassajero Creek Comment
  CHSC28128  Pedicularis densiflora R. A. Emmrich 1975-3-14 97 Contra Costa Ca. 1/2 mi w of Ranger Station no. 2 and 10 yds n of Diablo Rd., Mount Diablo State Park. 1127 Comment
  JEPS65608  Pediomelum californicum W. L. Jepson 1922-5-23 9657 Contra Costa near very summit Mt. Diablo 1170 Comment
  UC692690  Pediomelum californicum Mary L. Bowerman 1935-6-1 3114 Contra Costa summit Mount Diablo Mount Diablo, summit (between the one-way roads) Comment
  POM300699  Pediomelum californicum Mary L. Bowerman 1935-6-1 3114 Contra Costa Summit, between the one-way roads. Comment
  CDA42756  Pellaea andromedifolia A. G. Murdock 2003-2-21 68 Contra Costa Carquinez Strait Region; Martinez; west border of Mt. Wanda property. Comment
  POM281783  Pellaea andromedifolia Lyman Benson 1931-3-18 2667 Contra Costa Martinez Comment
  UC42646  Pellaea andromedifolia McLean Mar. 1875 Contra Costa Mt Diablo Comment
  UC1795797  Pellaea mucronata var. mucronata Barbara Ertter, Mary L. Bowerman 1994-6-19 12856 a Contra Costa Mt. Diablo State Park east of Walnut Creek; scrub oak thicket north road, north of lower-summit parking lot, next to drainage on N. facing slope. Comment
  UCR136718  Penstemon centranthifolius L. S. Rose 1936-4-24 36158 Contra Costa 3 mi east of Antioch 15 Comment
  UC1051325  Penstemon hartwegii N. Floy Bracelin 1941-6-15 1402 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  NY601704  Penstemon heterophyllus var. heterophyllus W. L. Jepson 1921-6-16 9315 Contra Costa Mount Diablo Comment
  UC1050858  Penstemon heterophyllus var. purdyi N. Floy Bracelin 1941-5-18 1319 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  SEINET3148382  Pentachaeta alsinoides K. C. sn Contra Costa Foothills of Mt. Diablo Comment
  SEINET12315987  Pentagramma triangularis M. T. Doutt 1930-1 98 Contra Costa Marsh Creek Comment
  UC691888  Perideridia californica Mary L. Bowerman 1935-5-25 3075 Contra Costa Rhine Canyon Mount Diablo (gully bottom at top of rock gorge) 923 Comment
  UC691889  Perideridia californica Mary L. Bowerman 1933-4-26 1930 Contra Costa Perkins Canyon Mount Diablo (between main e ridge of North Peak and ridge to its south, by edge of stream) 518 Comment
  UC692566  Perideridia kelloggii Mary L. Bowerman 1935-6-28 3158 Contra Costa w meridian (flat on n side); Mount Diablo, Inner Black Hills 472 Comment
  UC1818960  Perideridia kelloggii Barbara Ertter, Kristin Ertter 1995-7-11 14481 Contra Costa Dried meadow on heavy clay soil downstream from Pine Pond (in Mt. Diablo State Park) 182 Comment
  CAS-BOT-BC418832  Persicaria hydropiperoides Brian Atwater 1978-10-24 BA- 165 Contra Costa Between Bethel Island and Holland Tract Comment
  JEPS111781  Petrorhagia dubia Christopher Thayer 1995-6-5 Contra Costa West of Pinole Peak 274 Comment
  UC2070540  Petrorhagia dubia Barbara Ertter with J. Kerbavaz, David Gowen, Mike Park and Victoria Seidman 2004-4-22 18363 Contra Costa Old Pioneer Horse Camp on Green Ranch Road, south side of Mount Diablo summit. Comment
  JEPS1454  Phacelia breweri W. L. Jepson 1891-5-24 21009 Contra Costa Mt. Diablo Comment
  JEPS1458  Phacelia breweri Mary L. Bowerman 1935-4-26 2898 Contra Costa w Indian Ceremonial Spring; Mount Diablo 1021 Comment
  JEPS1459  Phacelia breweri W. L. Jepson 1922-5-23 9656 Contra Costa near summit; Mount Diablo Comment
  UC24298  Phacelia breweri Harley P. Chandler 1901-4-5 969 Contra Costa Mt. Diablo Mt. Diablo (type locality) Comment
  POM65782  Phacelia breweri Herbert McLean Evans 1921-4-30 s.n. Contra Costa Mt. Diablo. Comment
  UC1228237  Phacelia californica Beecher Crampton 1950-4-22 533 Contra Costa along state hwy 4 in pass between Concord Valley and Pittsburg (steep hillside in roadcut) 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
  JEPS18382  Phacelia ciliata var. ciliata Rimo Bacigalupi with F. Chisaki 1957-3-27 5762 Contra Costa at jnct. of Lone Tree Way and Hillcrest Ave. (road) (about 1/2 mi w of Lone Tree School, 3 1/2 mi se of Antioch) 39 Comment
  UC75117  Phacelia ciliata var. ciliata C. F. Baker 1903-4-26 2904 Contra Costa Byron Comment
  SEINET3558890 Image available Phacelia distans Lewis S. Rose 1931-5-14 T 19 Contra Costa Mount Diablo. Comment
  UC672425  Phacelia distans Herbert L. Mason 1929-3-15 5053 Contra Costa canyon back of Nortonville Comment
  CAS-BOT-BC6694  Phacelia distans var. australis Charles Fuller Baker 1903-4-28 2806 Contra Costa Antioch Comment
  JEPS2350  Phacelia divaricata Mary L. Bowerman 1935-4-26 2897 Contra Costa w Indian Ceremonial Spring; Mount Diablo 1021 Comment
  UC24356  Phacelia douglasii The Postmaster 1900-3-24 Contra Costa Oakley Comment
  UC2027758  Phacelia imbricata subsp. imbricata Barbara Ertter with Holly Forbes 1997-4-20 15559 Contra Costa North side of Mount Diablo, rocky outcrop north of Twin Peaks. Comment
  CAS-BOT-BC154335  Phacelia phacelioides L. R. Abrams 1921-5-25 8016 Contra Costa Mt. Diablo on road to summit Comment
  JEPS1104  Phacelia phacelioides Mary L. Bowerman 1930-6-7 285 Contra Costa Meridian Peak summit Mount Diablo Comment
  POM310991  Phacelia phacelioides Lincoln Constance, C. W. Sharsmith, H. S. Reed 1940-4-27 2574 Contra Costa North of Juniper Camp, Mount Diablo 762 Comment
  SFV3029  Phacelia phacelioides L. Constance, C. W. Sharsmith, H. S. Reed 1940-4-27 2574 Contra Costa North Coast Ranges Mount Diablo, north of Juniper Camp. 762 Comment
  JEPS1330  Phacelia suaveolens Mary L. Bowerman 1933-5-11 2078 Contra Costa w ridge Mount Diablo, Inner Black Hills Comment
  CHSC69643  Phacelia tanacetifolia James D. Jokerst 1989-3-31 3079 Contra Costa Steep mesic hillside with fluffy clay soil E of creek in Brushy Creek Canyon. Comment
  SEINET3558886 Image available Phacelia tanacetifolia Lewis S. Rose 1933-4-17 33091 Contra Costa Antioch. Comment
  UC306173  Phacelia tanacetifolia Katharine Brandegee Contra Costa Byron Springs 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
  UC1795888  Phalaris aquatica Barbara Ertter, Rich Rabeler 1994-6-6 12823 Contra Costa Point Isabel in south Richmond; acacia copse at edge of bay at south side of point. Comment
  CAS-BOT-BC265808  Phalaris arundinacea Walter Knight; Irja Knight 1978-9-5 3205 Contra Costa Browns Island Comment
  UC407384  Phalaris lemmonii Ira L. Wiggins 1930-4-17 4583 Contra Costa 1/4 mi s Byron Comment
  CAS-BOT-BC265962  Phalaris minor John Thomas Howell 1933-5-14 11234 Contra Costa St. Mary's College Comment
  UC2028383  Phalaris paradoxa Barbara Ertter 1998-6-20 16253 Contra Costa Shell Ridge Open Space on NW side of Mount Diablo, central grasslands Comment
  UCD146727  Phalaris paradoxa G. F. Hrusa; D. Crowe 1998-5-8 14401 Contra Costa Sacramento-San Joaquin River Delta. East end of Dow Chemical property. 15 Comment
  SEINET5566389  Phalaris paradoxa E. A. Bernays 1985-1 s.n. Contra Costa Russell Reserve. Comment
  PASA2099  Pholistoma membranaceum Annetta Carter 1929-3-31 Contra Costa near Clayton Comment
  RSA459276  Pholistoma membranaceum H. de Forest 1930-4-6 s.n. Contra Costa S.E. of Mortonville. Small coal mine ravine. 244 Comment
  SD211620  Pholistoma membranaceum Barbara Ertter 1992-3-8 10909 Contra Costa Northeast edge of Black Diamond Mines Regional Preserve, Northeast-heading canyon with steep loose sides circa 1/2 mile West of junctin of Stewartville Trail and Frederickson Lane Comment
  UC2070624  Pholistoma membranaceum Barbara Ertter 2003-3-28 18128 Contra Costa Round Valley Regional Preserve, E-most in line of rock outcrops SW of Crest of Hardy Canyon Trail, Comment
  CAS-BOT-BC141253  Phoradendron serotinum subsp. tomentosum Mary L. Bowerman 1930-9-9 450 Contra Costa Canyon running past Gabriel-Hinks. Mount Diablo Comment
  CDA8371  Phragmites australis D. G. Kelch, A. G. Murdock 2003-8-13 3 .101 Contra Costa Carquinez Strait; Salt Marsh E of Marina. Martinez. Comment
Read comments
Mar 11 2011
  CDA2311  Phyllostachys aurea Barbara Ertter 2001-5-26 17652 Contra Costa Stamm Unit of Antioch Dunes National Wildlife Refuge east of Antioch. 0 Comment
  UC1789168  Phyllostachys aurea Barbara Ertter 2001-5-26 17652 Contra Costa Stamm Unit of Antioch Dunes National Wildlife Refuge east of Antioch, single well-established clump at base of river bank. Comment
  UCD108170  Pickeringia montana R. A. Pendleton 1923-3-30 s.n. Contra Costa Mt. Diablo. Comment
  JEPS65576  Pickeringia montana var. montana W. L. Jepson 1918-6-3 7574 Contra Costa Donner Canyon Mt. Diablo 533 Comment
  UC692282  Pickeringia montana var. montana Mary L. Bowerman 1933-2-4 1690 Contra Costa flat e Mt. Diablo-North Peak divide; Mount Diablo 822 Comment
  UCD48018  Picrasma quassioides Ellen Dean; Petra Unger 2005-7-19 2700 Contra Costa Contra Costa Water District land, Byron Tract, just S of Hwy 4, along Old River, on the east bank. 1 Comment
  CDA15276  Picris echioides G. F. Hrusa, D. Crowe, R. York 1998-7-17 14713 Contra Costa Sacramento Delta; E end of Dow Chemical property. Pittsburg. Comment
  CAS-BOT-BC76966  Pilularia americana Katharine Brandegee 1909-4-24 s.n. Contra Costa Between Antioch and Marsh Creek, Briones Road. Comment
  UC1134138  Pinus attenuata R. W. Lundh 1932-8-27 148 Contra Costa 1 mi w Cave point; Mt. Diablo Quad. 579 Comment
  UC692104  Pinus attenuata Mary L. Bowerman 1933-5-11 2080 Contra Costa Inner Black Hills , Mount Diablo (w end of chaparral n of crest) Comment
  SEINET3871793  Pinus attenuata James K. Detling 1963-2-15 4 Contra Costa On Flicker Ridge Trail near Moraga.; 0 107 Comment
  CAS-BOT-BC78544  Pinus coulteri Elizabeth McClintock 1967-10-22 4 Contra Costa Nortonville area Comment
  JEPS46810  Pinus coulteri W. L. Jepson 1931-4-5 15726 Contra Costa Nortonville Comment
  JEPS47876  Pinus coulteri W. L. Jepson 1909-6-25 3115 Contra Costa Mitchell Canyon Mt. Diablo, Mitchell Canyon Comment
  UCR143277  Pinus coulteri C. B. Wolf, A. L. Chickering, H. L. Mason 1943-2-28 11442 Contra Costa Central Coast Range, 1 mile SW of old coal mining settlement of Nortonville at northern base of Mt. Diablo hills 427 Comment
  CDA32812  Pinus halepensis D. G. Kelch 2010-11-8 10 .445 Contra Costa Carquinez Strait; W Valona (Crockett). Comment
  UC2029175  Pinus halepensis Barbara Ertter 2000-7-29 17444 Contra Costa Donner Basin on north side of Mount Diablo, Falls Trail at east fork of Donner Creek (between main fork and Wild Oat Canyon), trickle of surface water. Comment
  UC806729  Pinus pinaster Robert E. Burton Contra Costa near Valle Vista (south of Moraga) (n of Redwood road near creek) Comment
  CDA28753  Pinus sabiniana S. M. Blank 2007-4-7 Z 16 /07 Contra Costa Sacramento Valley; Mount Diablo State Park, Summit Road. Comment
  JEPS46901  Pinus sabiniana W. L. Jepson 1907-4-27 2648 a Contra Costa saddle at e head Mitchell Canyon; Mt. Diablo, Mitchell Canyon Comment
  UC1134136  Pinus sabiniana R. W. Lundh 1932-9-7 161 Contra Costa 1 mi n Eagle point; Mt. Diablo Quad. 228 Comment
  SEINET3875083  Pinus sabiniana Dusty Mengshol 1963-3-17 25 Contra Costa 3/4 mile from top, Summit Trail, Mt. Diablo.; 0 1006 Comment
  UC1818972  Piperia michaelii Barbara Ertter, M. L. Bowerman, L. Schultheis, Kevin Hintsa 14536 Contra Costa Three Springs Trail on northeast side of Mt. Diablo, in woods above ranch, north-facing slope. Comment
  UC2028359  Piperia michaelii Barbara Ertter with Tony Morosco 1998-7-11 16367 Contra Costa North base of Mount Diablo, Coulter Pine Trail just east of Mitchell Rock Trail, N-facing slope Comment
  CHSC116600  Plagiobothrys Lowell Ahart; Josephine Guardino 2016-4-19 20770 Contra Costa Undesignated section of Canada de Los Vaqueross Land Grant. 1.8 miles (air) northwest of Los Vaqueros Reservoir Marina, 2.1 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 160 Comment
  CHSC67891  Plagiobothrys acanthocarpus James D. Jokerst 1989-3-29 3070 Contra Costa Byron Hot Springs area NE of Livermore, adjacent to pipeline on terrace S of ephemeral creek. Comment
  JEPS60914  Plagiobothrys acanthocarpus Edw. L. Greene 1889-3-24 Contra Costa near Byron Comment
  UC881329  Plagiobothrys acanthocarpus Lewis S. Rose 1941-3-13 41037 Contra Costa 3 mi s Byron 9 Comment
  RSA565113  Plagiobothrys acanthocarpus Wm. Taylor 1992-4-16 12390 Contra Costa S of Bryan Hot Springs, in swale draining on E margin of [the township and range] 46 Comment
  RSA666367  Plagiobothrys acanthocarpus Barbara Ertter 1989-4-5 8117 Contra Costa Alkali sink W and adjacent to Clifton Court Forebay, ca 15 air miles SW of Stockton 0 Comment
  UC24549  Plagiobothrys bracteatus W. H. Brewer 1862-4-30 1007 Contra Costa Camp 69 Walnut Creek Comment
  UC882304  Plagiobothrys bracteatus Joseph Andorfer Ewan 1936-5-24 9698 Contra Costa w slope Bald Peak; San Pablo Ridge Comment
  SBBG28860  Plagiobothrys canescens L. S. Rose 1933-3-29 33046 Contra Costa Pittsburg Comment
  UC882307  Plagiobothrys canescens Lewis S. Rose 1933-3-29 33046 Contra Costa Pittsburg Comment
  POM204086  Plagiobothrys canescens L. S. Rose 1933-3-29 33046 Contra Costa Pittsburg Comment
  SEINET8731527 Image available Plagiobothrys canescens Lewis S. Rose 1933-1 33046 Contra Costa Pittsburg. Comment
  UC78081  Plagiobothrys fulvus T. S. Brandegee May, 1889 Contra Costa Antioch Comment
  JEPS116860  Plagiobothrys fulvus var. campestris David Gowen 2007-4-13 670 Contra Costa Diablo Foothills, west of the grassy field at Castle Rock Recreation Area. Comment
  SEINET1869807  Plagiobothrys leptocladus Barbara Ertter, Jim Jokerst and Dave Magney 1989-1 8129 Contra Costa Alkali sink W and adjacent to Clifton Court Forebay, ca 15 air miles SW of Stockton. 0 Comment
  UC24579  Plagiobothrys leptocladus J. Burtt Davy 1895-4-7 946 Contra Costa Antioch Comment
  JEPS111847  Plagiobothrys nothofulvus D. G. Kelch 2005-3-25 05 .86 Contra Costa Pinole Peak Fernandez Ranch. West of Christie Road. South of I-4 (behind golf course) and North of Pinole Peak 250 Comment
  POM63822  Plagiobothrys nothofulvus Brandegee 1888-05 s.n. Contra Costa Antioch. 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
  UCSB5650  Plagiobothrys stipitatus Robbins, G. 1937-4-25 Contra Costa Along roadside; 2 miles east of Alamo Comment
  CHSC106840  Plagiobothrys stipitatus var. micranthus Barbara Ertter; Jim Jokerst, Dave Magney 1989-4-5 8126 Contra Costa SE part of county. Ca 15 air miles SW of Stockton, alkali sink W and adjacent to Clifton Court Forebay. Comment
  RSA666361  Plagiobothrys stipitatus var. micranthus Barbara Ertter, J. D. Jokerst, D. Magney 1989-4-5 8126 Contra Costa SE Contra Costa: alkali sink W and adjacent to Clifton Court Forebay, ca 15 air miles SW of Stockton 0 Comment
  UC24572  Plagiobothrys stipitatus var. stipitatus F. T. Bioletti 1892-1 Contra Costa Byron Comment
  SD4240  Plagiobothrys tenellus T. S. Brandegee May 1888 Contra Costa Antioch Comment
  CHSC67897  Plagiobothrys trachycarpus James D. Jokerst 1988-3-21 2995 Contra Costa Los Vaqueros project in Livermore Valley ca. 1 mi W of Vasco Rd. and ca. 0.5 mi S of Camino Diablo Rd. Comment
  UC767584  Plagiobothrys trachycarpus R. F. Hoover 1941-4-12 4840 Contra Costa 1 mi. n. Lone Tree Valley Comment
  UC1736692  Plantago bigelovii Dean W. Taylor 1971-4-1 980 Contra Costa junction of Byron Road and Holley Road; vernal pool 7 Comment
  UC2029103  Plantago coronopus Barbara Ertter 1990-10-24 9684 Contra Costa Martinez Regional Shoreline on Carquinez Strait. Local near arch bridge. Comment
  JEPS37916  Plantago elongata J. T. Howell 1933-3-29 10897 Contra Costa Nortonville Comment
  UC1745802  Plantago elongata Annetta M. Carter 1933-4-9 291 Contra Costa About 2 mi. SW of Nortonville. Comment
  POM61262  Plantago erecta C. F. Baker 1903-4-25 2803 Contra Costa Antioch. Comment
  UC75129  Plantago erecta unknown 1903-4-25 2803 Contra Costa Antioch Comment
  RSA0068052  Plantago erecta Katie Gallagher, Nick Jensen 2014-4-26 189 Contra Costa Las Trampas Regional Wilderness. 396 Comment
  SD131987  Plantago erecta W. L. Jepson 1923-4-22 9872 Contra Costa On hilltops. Mt. Diablo. Comment
  JEPS111994  Plantago major D. G. Kelch 2004-4-24 04 .103 Contra Costa Ca ada del Cierbo Upper Ca ada de Cierbo on fire road to cow barn along Cummings Skyway 70 Comment
  UC28020  Plantago maritima var. juncoides W. H. Brewer 1862-4-25 997 Contra Costa Martinez Comment
  UC101592  Platystemon californicus Katharine Brandegee 1907-5-5 c Contra Costa between Antioch and Marsh Creek; between Antioch and Marsh Creek Comment
  UC101595  Platystemon californicus Katharine Brandegee 1907-5-5 b Contra Costa between Antioch and Marsh Creek; between Antioch and Marsh Creek Comment
  UC1300992  Platystemon californicus Helen K. Sharsmith 1963-3-24 5253 Contra Costa hills e Orinda (San Francisco Bay Region); , e of Orinda 213 Comment
  UC1328152  Platystemon californicus Olive Dyer April 1938 424 Contra Costa San Pablo Ridge Wildcat Canyon (just over on Orinda side); , Wildcat Canyon Comment
  CAS-BOT-BC91600  Platystemon californicus Mary L. Bowerman 1935-4-17 2828 Contra Costa Mount Diablo. West road 2 miles from entrance, just west of chaparral. 237 Comment
  UC692174  Platystemon californicus Mary L. Bowerman 1932-3-23 1133 Contra Costa rocky outcrop overlooking Donner Canyon, Mount Diablo; Mount Diablo 304 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
  UC76300  Plectritis ciliosa subsp. ciliosa Harley P. Chandler 1901-4-4 951 Contra Costa Mount Diablo, Pine Canyon Pine Canyon; Mount Diablo, Pine Canyon Comment
  JEPS2798 Image available Plectritis ciliosa subsp. insignis J. Burtt Davy 1895-4-7 953 Contra Costa foothills Antioch; Antioch, Contra Costa Co. Comment
  RSA517360  Plectritis congesta subsp. brachystemon L. T. Dempster 1954-5-29 P 14 Contra Costa Canyon Drive, Orinda. Comment
  JEPS14520  Plectritis macrocera L. T. Dempster 1956-5-26 1003 Contra Costa above Overhill Court (Orinda); Orinda Comment
  JEPS2799 Image available Plectritis macrocera J. Burtt Davy 1895-4-7 951 Contra Costa Antioch; ; Antioch, Contra Costa Co. Comment
  UC766304  Plectritis macrocera Robert F. Hoover 1935-3-10 312 Contra Costa Antioch Comment
  POM59719  Plectritis macrocera C. F. Baker 1903-4-28 2813 Contra Costa Mitchell's Canyon, Mt. Diablo. Comment
  CAS-BOT-BC260943  Pleuropogon californicus var. californicus W. H. Brewer 1862-5-1 1043 Contra Costa Walnut Creek Comment
  SEINET199818 Image available Pleuropogon californicus var. californicus P. H. Raven, GT Robbins 1956-4-28 9042 Contra Costa Just east of junction to Martinez along state highway 4. Comment
  CDA8488  Pluchea odorata D. G. Kelch, A. G. Murdock 2003-8-13 3 .096 Contra Costa Carquinez Strait Region; Martinez Marsh. Comment
  UC761988  Pluchea odorata var. odorata R. F. Hoover 1937-8-31 2703 Contra Costa Avon Comment
  UCD90342  Poa annua Beecher Crampton 1956-5-14 3374 Contra Costa 5 miles south of city of Antioch, at head of Horse Valley. Comment
  CDA946  Poa howellii D. G. Kelch 2006-5-4 6 .127 Contra Costa Carquinez Strait; Vaca Canyon, on North facing road cut/bank along Alhambra Valley Road. Comment
  JEPS99538  Poa howellii Mary L. Bowerman 1978-5-14 Contra Costa Mount Diable. Eagle Peak Old Mines trail. Comment
  UC579858  Poa secunda subsp. secunda Annetta Carter 1936-4-19 1121 Contra Costa Red Rock; San Francisco Bay Comment
  UC691176  Poa secunda subsp. secunda Mary L. Bowerman 1932-4-9 1323 Contra Costa s spur on meridian Inner Black Hills; Mt Diablo Comment
  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
  CAS-BOT-BC236393  Poa secunda subsp. secunda Mary L. Bowerman 1933-5-3 1985 Contra Costa Mount Diablo. [Indian Ceremonial] Canyon: flat a little below and across the stream from the spring 731 Comment
  UCD91679  Poa secunda subsp. secunda P. B. Kennedy 1925-4-25 s.n. Contra Costa Road to Sycamore Canyon, Mt. Diablo. Comment
  UC306575  Pogogyne douglasii A. D. E. Elmer May 1903 4320 Contra Costa Walnut Creek Comment
  JEPS107077  Pogogyne serpylloides Barbara Ertter, Lisa Schultheis 1995-4-27 14017 Contra Costa Lime Ridge open space northwest of Mt. Diablo in Walnut Creek; head of west facing scrub-filled draw (east of golf-course). Comment
  UC1607677  Pogogyne serpylloides Barbara Ertter, Chris Thayer 1993-5-7 11696 Contra Costa East Bay Municipal Utilities District land e. Tilden Park (Hopkins Spring 0.5 mi. s.e. of Inspiration Point on Wildcat Canyon Rd.); Hopkins Spring 304 Comment
  UC1988933  Pogogyne serpylloides John Thomas Howell 1930-4-22 4747 Contra Costa Bald Peak Comment
  RSA721737  Polygonum amphibium var. emersum Barbara J. Ertter, K. Ertter 1995-7-11 14482 Contra Costa W side of Mt. Diablo SW of Walnut Creek, dense growth at lower end of Pine Pond. 183 Comment
  JEPS121070  Polygonum aviculare Dean G. Kelch and Andrew G. Murdock 2005-6-27 DGK 05 .396 Contra Costa Crockett. 6th Street at Lillian Street. Comment
  CAS-BOT-BC413970  Polygonum aviculare subsp. aviculare R. E. Frenkel 1964-4-8 421 Contra Costa By the south side of Marsh Creek Road near Marsh Creek 33 Comment
  CAS-BOT-BC413971  Polygonum aviculare subsp. aviculare R. E. Frenkel 1964-2-5 349 Contra Costa On California Hwy. 21, Market Plaza Center, Alamo 79 Comment
  JEPS112027  Polygonum aviculare subsp. depressum Dean G. Kelch and Andrew G. Murdock 2004-7-9 DGK 04 .290Z Contra Costa Edwards Creek Crockett CA. Comment
  UC42882  Polypodium E. L. Greene 1892-3-20 Contra Costa Red Rock; Bay of San Francisco Comment
  UC1478304  Polypodium calirhiza Alan R. Smith with Tom Lemieux 1981-11-19 826 Contra Costa n slope Mt. Diablo (creekside ravine along North Gate Rd., 3.6 mi w of (below) Park HQ (South Gate Rd. junction); Mt. Diablo State Park 640 Comment
  UC692121  Polypodium calirhiza Mary L. Bowerman 1935-3-15 2736 Contra Costa e fork Arroyo del Cerro; Mt. Diablo 262 Comment
  RSA0028901  Polypogon Peter Rubtzoff 1968-9-18 5965 Contra Costa North Gate Road, ca. 5 miles northwest of Mt. Diablo State Park north entrance. Comment
  UC50640  Polypogon imberbis Jos. Burtt Davy 6662 Contra Costa Salt-marsh near Martinez Comment
  UC691204  Polypogon interruptus Mary L. Bowerman 1933-6-3 2227 Contra Costa two mi by road from w entrance Mount Diablo (spring in chaparral) Comment
  UC691207  Polypogon interruptus Mary L. Bowerman 1936-8-17 3528 Contra Costa Sulphur Spring in Pine Canyon Mount Diablo; , Pine Canyon, Sulphur Spring 137 Comment
  CAS-BOT-BC232582  Polypogon monspeliensis A. A. Beetle 1941-6-24 1750 Contra Costa Point Richmond on San Francisco Bay Comment
  POM300722  Polypogon viridis Mary L. Bowerman 1933-11-4 2462 Contra Costa Mount Diablo; Alder Creek Springs. 488 Comment
  CAS-BOT-BC102383  Populus fremontii Walter Knight; Irja Knight; J. T. Howell; E. McClintock; et al. 1978-9-5 3223 Contra Costa Browns Island Comment
  CAS-BOT-BC105622  Populus trichocarpa Alice Eastwood 1915-6-21 4727 Contra Costa San Leandro Comment
  CAS-BOT-BC267113  Potamogeton Walter Knight; L. R. Heckard; B. Johnson 1978-9-28 3272 Contra Costa Mouth of Crooked Slough, Browns Island Comment
  CDA33072  Potamogeton crispus D. G. Kelch 2010-10-5 10 .427 Contra Costa The Delta.; Antioch shoreline. West of Fulton shipyard. Comment
  CAS-BOT-BC453906  Potamogeton pectinatus Walter Knight; Joanne Dean 1978-8-14 3155 Contra Costa Browns Is. Comment
  UC2046367  Potamogeton richardsonii Barbara Ertter 2015-10-9 22454 Contra Costa Antioch marina on San Joaquin River delta. Comment
  JEPS23821  Proboscidea lutea G. Thomas Robbins 1959-8-1 4114 Contra Costa roadside berm of frontage road just s Mt. Diablo Blvd. ((about 0.5 mi e of concrete bridge at Charles Hill and about 0.2 mi w of jct. of Hidden Valley Rd.), 2 mi w of Lafayette) 144 Comment
  UC766803  Proboscidea lutea R. F. Hoover 1937-8-31 2705 Contra Costa Pittsburg Comment
  CAS-BOT-BC508634  Prosartes hookeri Mary L. Bowerman 1933-4-22 1888 Contra Costa Curry-Cave Point Trail 426 Comment
  UC74103  Proserpinaca pectinata N. L. Gardner 1905-11-14 Contra Costa near Richmond Comment
  CDA39058  Prunus ilicifolia D. G. Kelch 2011-6-12 11 .586-B Contra Costa Along railroad tracks north of Point Costa. 0 Comment
  JEPS44961  Prunus subcordata W. L. Jepson 1923-6-10 9991 Contra Costa Mount Diablo, Upper Marsh Creek Upper Marsh Creek; Mount Diablo, Upper Marsh Creek Comment
  UC691124  Prunus subcordata Mary L. Bowerman 1932-4-9 1334 Contra Costa Mount Diablo, Muir Area Mount Diablo; , Muir Area Comment
  CAS-BOT-BC154628  Prunus subcordata Peter H. Raven; H. L. Mason; R. Ornduff; et al. 1957-4-11 10626 Contra Costa Curry Canyon 4.0 mi. s. of Recreation Ground Comment
  CAS-BOT-BC151202  Prunus virginiana var. demissa Mary L. Bowerman 1933-5-21 2148 a Contra Costa Grape Spring (south from Curry Canyon), fifteen feet from surface of water - Mount Diablo Comment
  UC691825  Pseudognaphalium californicum Mary L. Bowerman 1930-6-18 340 Contra Costa Dan Cook Canyon 289 Comment
  JEPS111714  Pseudognaphalium luteoalbum D. G. Kelch 2004-6-6 04 .223 Contra Costa Martinez - Train Station Downtown Martinez. 2 Comment
  JEPS75564  Pseudognaphalium luteoalbum P. F. Yorks 1974-10-27 374 -1 Contra Costa 2.0 km s Bear Creek Road (on Hampton Road, n of Briones Reservoir, in Hampton Road Natural Reserve); Northern coast, Hampton Road Natural Reserve Comment
  UC1795848  Pseudognaphalium luteoalbum Barbara Ertter, Tony Morosco 1996-1-15 14546 Contra Costa Mount Diablo (southeast side) trail from Curry Point to Frog Pond; streamlet from spring crossing road below and slightly west of Hidden Pond, clay substrate. 487 Comment
  UC694150  Psilocarphus tenellus H. L. Mason 1928-4-29 4425 Contra Costa Mt. Diablo Comment
  RSA0068481  Psilocarphus tenellus Katie Gallagher, Nick Jensen 2014-4-26 194 Contra Costa Las Trampas Regional Wilderness. 396 Comment
  RSA762192  Ptelea angustifolia Anstruther Davidson 1884-05 s.n. Contra Costa Antioch. Comment
  SEINET12235404  Ptelea baldwinii M. T. Doretl 1930-1 79 Contra Costa Marsh Creek Comment
  POM138613  Ptelea baldwinii subsp. crenulata C. F. Baker 1903-4-28 2943 Contra Costa Mitchell's Canyon, Mt. Diablo. Comment
  CAS-BOT-BC148627  Ptelea crenulata Alice Eastwood 1915-5-30 4440 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
  JEPS112112  Ptelea crenulata D. G. Kelch 2005-5-1 05 .202 Contra Costa Crockett - Edwards Canyon 100 Comment
  UC571097  Ptelea crenulata R. Bacigalupi 1926-4-30 1354 Contra Costa near summit Mt. Diablo Comment
  UCR17982  Ptelea crenulata Dr. H. de Forest 1930-4-6 s.n. Contra Costa San Francisco Bay Region, SE of Nortonville, SW of Antioch, east of Concord 274 Comment
  CAS-BOT-BC148633  Ptelea crenulata H. M. Hall 1910-8-17 10277 Contra Costa Upper Horse Valley (6 mi. s. of Antioch) 213 Comment
  CAS-BOT-BC148642  Ptelea crenulata H. E. McMinn 1922-6-2 95 Contra Costa In ravine on north slope of Mt. Diablo Comment
  SBBG3977  Ptelea crenulata J. M. Tucker 1941-8-28 383 Contra Costa Curry Cyn, 3 mi S of jct of Curry Cyn Rd with Clayton-Byron Rd Comment
  UCD117073  Ptelea crenulata R. W. Lundh 1932-8-17 134 Contra Costa Marsh Creek. 381 Comment
  UC692115  Pteridium aquilinum var. pubescens Mary L. Bowerman 1930-8-24 426 Contra Costa lower trail w of stream Mitchell Canyon; Mt. Diablo 259 Comment
  CAS-BOT-BC421113  Pterostegia drymarioides Alice Eastwood 1915-5-30 4436 Contra Costa Mt. Diablo Comment
  JEPS57983  Pterostegia drymarioides W. L. Jepson 1923-4-22 9867 Contra Costa Mt. Diablo Comment
  UC6916  Pterostegia drymarioides W. L. Jepson 1891-5-23 Contra Costa Mt. Diablo Comment
  UC2027947  Pyrus communis Barbara Ertter 1997-9-7 15792 Contra Costa North side Mount Diablo, cabin site on Donner Creek, in persisting orchard. Comment
  UC2027949  Pyrus communis Barbara Ertter 1997-9-7 15790 Contra Costa North side Mount Diablo, cabin site on Donner Creek, in persisting orchard. Comment
  CDA33977  Quercus agrifolia D. G. Kelch 2011-3-31 11 .082-B Contra Costa Carquinez Strait region.; Pinole. Comment
  JEPS111961  Quercus agrifolia D. G. Kelch 2004-3-12 04 .20 Contra Costa Pinole Valley Hillside and canyon above Wright Road. Off of Pinole Valley Road. Contra Costa County, 130 Comment
  JEPS75530  Quercus agrifolia P. F. Yorks 1975-4-10 381 Contra Costa on Hampton Rd ca 1.7 km s Bear Creek Road (n of Briones Reservoir); Hampton Road Natural Reserve 180 Comment
  UC5476  Quercus agrifolia State Survey 1862-5-12 1079 Contra Costa Comment
  UC691300  Quercus berberidifolia Mary L. Bowerman 1930-8-31 444 Contra Costa near Rock City (Dan Cook (Rock City) Canyon); Mount Diablo Comment
  CDA31069  Quercus chrysolepis D. G. Kelch, Troy McGregor; Ed Biffin 2010-6-1 10 .232 Contra Costa Mt. Diablo. Knobcone Point Rd. Comment
  UCD45448  Quercus chrysolepis W. L. Jepson 1920-8-12 9074 Contra Costa Black Hills, Mt. Diablo, Contra Costa County, California. 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
  JEPS111508  Quercus douglasii D. G. Kelch 2005-5-13 05 .270 Contra Costa Martinez - South Tall hill in South Martinez and North of I-4. Oak Savannah, Disturbed 96 Comment
  SEINET14301650 Image available Quercus douglasii Unknown Contra Costa Near North Gate Rd., Mt. Diablo Comment
  CAS-BOT-BC79607  Quercus durata Mary L. Bowerman 1932-10-16 1632 Contra Costa Mount Diablo. Donner Canyon Trail Comment
  CHSC83198  Quercus garryana B. Ertter; M. Bowerman, E. Dean, J. Tucker, J. Kerbavaz 2000-9-13 654 Contra Costa Mount Diablo State park, Fossil Ridge, just upslope of South Gate Rd., just west of Gibraltar Rock, southeast of Rock City. 487 Comment
  SBBG115591  Quercus garryana E. Dean, M. Bowerman, B. Ertter, J. M. Tucker, J. Kerbavaz 2000-9-13 654 Contra Costa Mt Diablo St Park, Fossil Ridge, just upslope of S Gate Rd, just W of Gibraltar Rock, SE of Rock City 487 Comment
  UC1748010  Quercus garryana E. Dean, M. Bowerman, B. Ertter, J. Tucker, J. Kerbavaz 2000-9-13 655 Contra Costa Fossil Ridge, just upslope of South Gate Rd., just W of Gibralter Rock, SE of Rock City Mount Diablo State Park 487 Comment
  JEPS111966  Quercus ilex D. G. Kelch 2005-5-13 05 .237 Contra Costa Martinez Martinez. South of oil refinery along Railroad tracks in fragment of habitat 28 Comment
  UC1135713  Quercus lobata R. W. Lundh 1932-9-1 154 Contra Costa 1 mi n Eagle Point; Mt. Diablo Quad. 228 Comment
  UC691278  Quercus lobata Mary L. Bowerman 1930-6-3 224 Contra Costa 1.9 mi from West road (= North Rd.) entrance; Mount Diablo 167 Comment
  UC691279  Quercus lobata Mary L. Bowerman 1930-6-22 372 Contra Costa Deer Flat Mount Diablo Comment
  UCD46831  Quercus lobata John M. Tucker 1941-8-28 384 Contra Costa Beside road up Curry Canyon, 3 miles south of junction with the road from Clayton to Byron, Contra Costa County, California. Comment
  SEINET12034644  Quercus lobata M. T. Doutt 1930-1 81 Contra Costa Marsh Creek,6 mi E of Clayton 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
  UC2031461  Quercus palmeri Barbara Ertter with David Gowen, Mike Park, Chris Thayer et al. 2014-4-12 21719 Contra Costa Ca. 2 air miles east of Mount Diablo summit, upper end of road to Wright Canyon below powerline on Ginochio property Comment
  UCD47151  Quercus parvula var. shrevei H. D. Jones 1910-11-26 s.n. Contra Costa Mt. Diablo, Contra Costa County. Comment
  UC1135847  Quercus wislizeni R. W. Lundh 1932-8-17 133 Contra Costa 1 mi e Round Valley; Mt. Diablo Quad. 518 Comment
  UC691296  Quercus wislizeni Mary L. Bowerman 1933-9-30 2449 Contra Costa Russelman Park Mount Diablo Comment
  UCD47497  Quercus wislizeni John M. Tucker 1946-3-4 1378 Contra Costa East side of Redwood Peak, Oakland hills, Contra Costa County, California. Comment
  UCD47498  Quercus wislizeni John M. Tucker 1946-4-4 1392 Contra Costa Ca. 100 yards northwest of intersection of Grizzly Peak Boulevard and road to Easport, Oakland hills, Contra Costa County, California. 365 Comment
  CAS-BOT-BC104712  Quercus wislizeni Alice Eastwood 1921-8-6 11043 Contra Costa Mt. Hamilton Comment
  SJSU10139  Quercus wislizeni var. wislizeni A. W. Jacobs 1938-10-1 Contra Costa lower E slope of Mt Diablo, 5 mi S of Clayton Comment
  CAS-BOT-BC362445  Rafinesquia californica Brandegee No date on label s.n. Contra Costa Mt Diablo Comment
  UC1606299  Ranunculus aquatilis var. capillaceus Barbara Ertter with Lynne Hosley and Sid Cowles 1992-6-7 11085 Contra Costa pond in quarry e Round Top; Oakland Hills, Sibley Volcanic Regional Preserve Comment
  UCD35997  Ranunculus californicus Beecher Crampton 1949-4-21 427 Contra Costa Contra Costa County, city of Richmond, in vacant lot near Santa Fe Railroad, S. 14th Street. 7 Comment
  RSA268401  Ranunculus canus Lyman Benson 1935-3-16 6275 Contra Costa Mitchell Canyon near Clayton; Mt. Range: Mt. Diablo; Watershed: Walnut Creek. 244 Comment
  UC1126160  Ranunculus canus C. M. Belshaw 1936-5-12 2110 Contra Costa 3.7 mi ene Tassajero (Plot 31); Mt. Diablo Quadrangle Comment
  UC2028119  Ranunculus canus Barbara Ertter with Richard K. Brummitt 1998-5-6 16090 Contra Costa Lower Donner Canyon on north base of Mount Diablo, Hetherington Trail upstream from Donner. Comment
  POM268449  Ranunculus canus var. laetus Lyman Benson 1935-3-16 6272 Contra Costa Mitchell Canyon near Clayton; Mt. Range: Mt. Diablo; Watershed: Walnut Creek. 244 Comment
  CDA922  Ranunculus hebecarpus D. G. Kelch 2006-5-4 6 .125 Contra Costa Carquinez Strait; Vaca Canyon, on North facing road cut/bank along Alhambra Valley Road. Comment
  UC854399  Ranunculus hebecarpus Lewis S. Rose 1940-4-11 40180 Contra Costa 6 mi se Clayton; Marsh Creek 60 Comment
  UC1618351  Ranunculus muricatus Barbara Ertter, Chris Thayer 1993-5-7 11716 Contra Costa e of Tilden Park (1/2 mi n of Vollmer (=Bald)Peak in East Bay Municipal Utiliteis District land); East Bay Municipal Utiliteis District land 304 Comment
  SEINET11268259  Ranunculus occidentalis Barbara Ertter, Dan Norris 2001-4-15 17607 Contra Costa Alamo Trail.; 0 213 Comment
  UC1084395  Ranunculus occidentalis G. Thomas Robbins 1937-4-25 140 Contra Costa hillside near La Vista Comment
  CDA23557  Raphanus sativus D. G. Kelch 2008-3-3 8 .03 Contra Costa Carquinez Strait; Crockett. Under Zampa (Carquinez) Bridge. Comment
  POM181430  Raphanus sativus I. L. Wiggins 1930-4-18 4610 Contra Costa Jersey Island. Comment
  UC407038  Raphanus sativus Ira L. Wiggins 1930-4-18 4610 Contra Costa Jersey Island Comment
  JEPS41994  Rhamnus californica subsp. californica W. L. Jepson 1899-10-7 13975 Contra Costa near Bald Peak (s Contra Costa County); Berkeley Comment
  UC73348  Rhamnus ilicifolia Milo S. Baker 1904-6-24 Contra Costa near summit of Mt. Diablo; Mt. Diablo Comment
  UC75430  Ribes Milo S. Baker 1904-6-24 Contra Costa near summit Mt. Diablo Comment
  JEPS77004 Image available Ribes amarum Robert M. Lloyd 1963-3-17 2133 Contra Costa 0.5 mi e Grizzly Peak Road (on Skyline Drive (across from 7090 Skyline Drive), Huckleberry trail); Huckleberry trail Comment
  POM181150  Ribes californicum J. T. Howell 1931-2-21 5730 Contra Costa Mt. Diablo. Comment
  SD2125  Ribes californicum Earle Mulliken 1905-1-28 161 Contra Costa Wildcat CaA'on, Berkeley Hills. Comment
  UC126876  Ribes californicum Earle Mulliken 1905-1-28 161 Contra Costa Wildcat Canyon Berkeley Hills Comment
  UC570838  Ribes californicum Herbert L. Mason 1926-3-7 2709 Contra Costa Summit Mt. Diablo Comment
  CAS-BOT-BC92920  Ribes californicum var. californicum John Thomas Howell 1931-2-21 5730 Contra Costa North side of Mount Diablo. Comment
  JEPS49338  Ribes malvaceum W. L. Jepson 1921-11-19 9514 Contra Costa halfway up to summit Mt. Diablo Comment
  JEPS79394  Ribes menziesii Edward Lee with Annetta Carter 1936-5-24 2167 Contra Costa 10 mi from Marsh Creek Road; Mt. Diablo, Morgan Territory Comment
  SEINET14419467 Image available Ribes menziesii J. Arrigo 1975-3-6 10 Contra Costa Along Marsh Creek Road near Mt. Diablo area. 183 Comment
  UC1127445  Ribes menziesii H. S. Yates 1936-3-14 5364 Contra Costa 2 1/2 mi sw Round Valley; Mt. Diablo Quadrangle Comment
  UC692436  Ribes menziesii Mary L. Bowerman 1932-9-3 1541 Contra Costa Meridian Peak summit, by trail leading s from the house Mount Diablo Comment
  JEPS116868  Ribes menziesii David Gowen 2007-9-1 790 Contra Costa Huckleberry Regional Preserve. Along trail descending to canyon bottom near trail junction above creek. Comment
  SEINET5339680  Ribes menziesii var. leptosmum P. Del Monte 1976-3-28 s.n. Contra Costa Morgan territory road, 1 mile from junction with Marsh creek road 122 Comment
  SBBG98261  Ribes sanguineum var. glutinosum J. A. Ewan 1934-3-10 8650 Contra Costa Wildcat Cyn, 1.5 mi below Orinda Rd bridge Comment
  CDA30988  Rigiopappus leptocladus D. G. Kelch, Abigail Moore 2010-4-7 10 .096 Contra Costa Mt. Diablo. Upper Mitchell Canyon. Comment
Read comments
May 4 2013
  CAS-BOT-BC362965  Rigiopappus leptocladus Brandegee No date on label s.n. Contra Costa Antioch Comment
  UC1050828  Romneya coulteri N. Floy Bracelin 1941-6-1 1344 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California 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
  UC1050660  Rondeletia gratissima N. Floy Bracelin 1943-5-23 1178 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  CAS-BOT-BC74412  Rorippa curvisiliqua W. W. Carruth 1902-4-29 s.n. Contra Costa Mount Diablo. Comment
  CAS-BOT-BC147407  Rosa californica Peter H. Raven 1957-7-5 11053 Contra Costa Point Isabel Comment
  CDA23621  Rosa gymnocarpa D. G. Kelch, D. A. Weinstein 2008-4-15 8 .046 Contra Costa Carquinez Strait; S Port Costa along Mckewen Rd. Comment
  UC555497  Rosa gymnocarpa Herbert L. Mason 1924-11-23 1172 Contra Costa Cashion Creek Las Trampas Ridge Comment
  UC2028227  Rosa spithamea Barbara Ertter 1998-12-6 16470 Contra Costa Rock City area on southwest side Mount Diablo. 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
  CAS-BOT-BC158775  Rubus ursinus Alice Eastwood 1915-5-30 4448 Contra Costa Mt. Diablo Comment
  OBI70549  Rumex acetosella D. G. Kelch, D. A. Weinstein 2008-4-15 8 .042 Contra Costa Carquinez Strait: S Port Costa along Mckewen Rd 137 Comment
  UC1584691  Rumex acetosella Jerry Powell 1987-7-14 1508 Contra Costa Point Molate Beach Comment
  UC2029192  Rumex conglomeratus Barbara Ertter 2000-7-16 17380 Contra Costa Diablo Foothills Regional Park, riparian strip along Pine Creek between Castle Rock Regional Recreation Area Comment
  UC6975  Rumex crispus J. Burtt Davy 1895-4-8 977 Contra Costa Antioch Comment
  JEPS112030  Rumex obtusifolius Dean G. Kelch and Andrew G. Murdock 2005-4-24 DGK 05 .177 Contra Costa Franklin Canyon, Contra Costa County, CA. Collier Hill. West Carbon. Comment
  UC1795777  Rumex pulcher Barbara Ertter, Mary Bowerman 1995-6-11 14247 Contra Costa Shell Ridge Recreation Area southeast of Walnut Creek, at west base Mt. Diablo.; annual grassland near Indian Valley School entrance, clay soil (planted Clarkia also present). 91 Comment
  UC692157  Rumex pulcher Mary L. Bowerman 1938-5-28 3644 Contra Costa Maple Spring, upper margin Mount Diablo Comment
  UCD101441  Rumex pulcher Rimo Bacigalupi; L. R. Heckard 1965-5-11 9075 Contra Costa On West side of Brooks Island (in San Francisco Bay south-west of Richmond). 6 Comment
  JEPS41049  Rumex salicifolius var. salicifolius Rimo Bacigalupi, and L. R. Heckard 1965-5-11 9074 Contra Costa sw of Richmond (w side of Brooks Island); San Francisco Bay, Brooks Island 6 Comment
  RSA0029279  Rumex salicifolius var. salicifolius Barbara J. Ertter, Tony Morosco 1996-7-27 15030 Contra Costa Mount Diablo State Park, Donner Creek ca. halfway between Regency Drive trailhead and old cabin site. 183 Comment
  UC606732  Rumex salicifolius var. salicifolius Edward Lee 1936-4-19 1949 Contra Costa ne shore Red Rock; San Francisco Bay Comment
  UC692158  Rumex salicifolius var. salicifolius Mary L. Bowerman 1938-6-14 3680 Contra Costa Canyon Nook Mount Diablo 670 Comment
  RSA762304  Rumex transitorius William J. Ferlatte, L. M. Moe 1970-4-27 1216 Contra Costa San Francisco Bay, Red Rock Island. Comment
  UC2028968  Rumex transitorius Barbara Ertter with Brad Olson et al. 2000-6-2 17299 Contra Costa north side Brushy Peak Regional Preserve NE of Livermore. Comment
  UC1594172  Rupertia physodes Jerry Powell 1991-6-21 1608 Contra Costa along creek well away from water Briones Regional Park Comment
  UC692276  Rupertia physodes Mary L. Bowerman 1930-6-3 236 Contra Costa west road 1.9 mi from entrance (open slope, s exposure); Mount Diablo Comment
  UC1818945  Sagina apetala Barbara Ertter, Mary Bowerman, Lisa Schultheis 1995-3-31 13943 Contra Costa Mount Diablo State Park, lower end of Mitchell Canyon south of Clayton, oak woodland/grassland open flat area on east side of stream not far from trail head. 182 Comment
  SEINET11268191  Salicornia europaea Barbara Ertter 1990-9-30 9656 Contra Costa Point Pinole Regional Shoreline, edge of sparina marsh at edge of salicornia marsh on SW corner of park; edge of San Pablo Bay.; 0 Comment
  CDA23461  Salicornia pacifica T. C. Fuller 1965-11-24 14323 Contra Costa South side of Byron Hot Springs Road, 0.6 mile southwest of Byron-Tracy Highway, ca. 1 mile southwest of Byron. 0 Comment
  UC7475  Salicornia virginica Hansen Sep 1899 Contra Costa Byron Springs Comment
  UC69370  Salix Wm. W. Mott 1905-3-1 Contra Costa n.e. corner San Pablo Ave. & McAvoy Lane Comment
  UC69377  Salix Wm. W. Mott 1905-3-11 Contra Costa n.e. corner San Pablo and McAvoy Lane Comment
  CAS-BOT-BC129909  Salix bonplandiana Alice Eastwood 1921-4-18 10305 Contra Costa Antioch Comment
  CAS-BOT-BC103027  Salix bonplandiana Walter Knight; R. Bensler; B. Atwataer; J. Dean; B. Mortensen 1979-4-13 3368 Contra Costa South Landing. Browns Island Comment
  CAS-BOT-BC129917  Salix bonplandiana Mary L. Bowerman 1931-3-1 529 Contra Costa Mount Diablo - near North Entrance Comment
  UCD110901  Salix exigua B. Crampton 1950-7-4 600 Contra Costa Railroad embankment, Richmond. Comment
  UC407392  Salix exigua var. hindsiana Ira L. Wiggins 1930-4-18 4587 Contra Costa levee banks Jersey Isl. Comment
  UC407388  Salix gooddingii Ira L. Wiggins 1930-4-18 4591 Contra Costa levees, Jersey Isl. Jersey Isl. Comment
  CAS-BOT-BC104084  Salix hindsiana Mary L. Bowerman 1935-5-30 3081 Contra Costa By Donner Canyon stream 152 Comment
  CAS-BOT-BC104086  Salix hindsiana Mary L. Bowerman 1935-5-30 3080 Contra Costa By Donner Canyon stream 152 Comment
  CAS-BOT-BC104088  Salix hindsiana Ira L. Wiggins 1930-4-18 4587 Contra Costa Levee banks, Jersey Island Comment
  POM300614  Salix laevigata Mary L. Bowerman 1933-4-15 1854 Contra Costa Canyon S of Arroyo del Cerro Comment
  POM300630  Salix laevigata Mary L. Bowerman 1933-5-21 2162 -a Contra Costa Sulphur Spring Canyon. Mt. Diablo. Comment
  UC692053  Salix laevigata Mary L. Bowerman 1935-10-26 3348 Contra Costa creek bottom at road junction Mt. Diablo 640 Comment
  UC406991  Salix laevigata var. congesta Ira L. Wiggins 1930-4-18 4601 Contra Costa levee locks Jersey Isl. Comment
  CDA33974  Salix lasiolepis D. G. Kelch 2011-3-31 11 .08 Contra Costa Carquinez Region; Richmond; Hilltop Lake Park. Comment
  RSA300609  Salix lasiolepis Mary L. Bowerman 1932-8-27 1519 Contra Costa Spring S of Turtle Rock. Mt. Diablo. Comment
  CAS-BOT-BC129558  Salix lasiolepis var. lasiolepis Alice Eastwood 1915-6-21 4725 Contra Costa San Leandro 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
  CAS-BOT-BC180752  Salsola tragus Peter Rubtzoff 1951-10-7 829 Contra Costa Sand duens along lower San Joaquin River, east of Antioch Comment
  UC634923  Salvia carduacea H. L. Mason 1929-3-31 5146 Contra Costa Briones Valley Comment
  JEPS62663  Salvia columbariae Lauramay Tinsley 1927-4-19 Contra Costa Mount Diablo Comment
  UC1124728  Salvia columbariae C. M. Belshaw 1936-5-8 2054 Contra Costa se slope Mt. Diablo; Mt. Diablo Quad. 990 Comment
  UC691727  Salvia columbariae Mary L. Bowerman 1930-6-7 290 Contra Costa Mount Diablo Comment
  UCD102380  Salvia columbariae Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-24 s.n. Contra Costa Mount Diablo State Park. Devils Elbow-Devils Pulpit. 1050 Comment
  JEPS108627  Salvia columbariae R. Raiche 1981-8-3 10068 Contra Costa S slope of saddle area, Mount Diablo 822 Comment
  SEINET13947331 Image available Salvia columbariae Lewis S. Rose 1935-1 35168 Contra Costa Mt. Diablo Comment
  JEPS62740  Salvia mellifera unknown 1919-6-8 8330 Contra Costa Mt. Diablo San Francisco Bay (vicinity of San Francisco Bay) Comment
  SEINET3224512 Image available Salvia mellifera Lewis S. Rose 1941-3-22 41057 Contra Costa Mt. Diablo. 610 Comment
  UC63772  Salvia mellifera H. M. Hall 1901-4-4 1751 Contra Costa Mt. Diablo; San Francisco Bay Region 670 Comment
  UCD125592  Salvia mellifera P. B. Kennedy 1916-5-21 s.n. Contra Costa Between Diablo and Summit. Comment
  UC2027930  Salvia spathacea Barbara Ertter with Dorothy Frantz 2001-5-10 17641 Contra Costa Diablo Foothills Regional Park, Pine Canyon a few hundred yards above check dam. Comment
  JEPS100122  Sambucus mexicana G. Smick 2003-4-29 GAS 150 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS121564  Sambucus nigra subsp. caerulea Adam C. Schneider 2013-10-12 317 Contra Costa Briones Regional Park, along north side of Beark Creek Trail, about 3/4 mile east of Oak Grove campground. Comment
  UC1178021  Samolus parviflorus Herbert L. Mason 1955-7-14 14634 Contra Costa 1/2 mi e of Antioch Bridge Comment
  UC1191697  Samolus parviflorus Malcolm A. Nobs, S. Galen Smith 1949-7-8 948 Contra Costa 4 mi n of Kingston (Otto's Black Bass Resort); Otto's Black Bass Resort Comment
  UC1123182  Sanicula bipinnatifida C. M. Belshaw 1936-5-12 2107 Contra Costa 5 mi s of Round Valley 487 Comment
  RSA720813  Sanicula bipinnatifida Barbara Ertter, Dale Sanders, Dan Norris 1994-3-26 12335 Contra Costa Peyton Hill east of I-680 east of Martinez, south of Waterfront Road, southeast side of hill. 30 Comment
  UC579860  Sanicula crassicaulis Annetta Carter 1936-4-19 1123 Contra Costa San Francisco Bay, Red Rock Red Rock; San Francisco Bay, Red Rock Comment
  UC73292  Sanicula crassicaulis Harley P. Chandler 1901-4-4 952 Contra Costa Region of Mount Diablo, Pine Canyon Pine Canyon; Region of Mount Diablo, Pine Canyon Comment
  SBBG122982  Sanicula saxatilis B. Ertter et al. 1991-4-7 9728 Contra Costa Eagle Pk on Mt Diablo Comment
  UC2027802  Sanicula tuberosa Barbara Ertter, Holly Forbes 1997-4-20 15557 Contra Costa North side of Mount Diablo, north end of Eagle Peak Ridge on Mitchell Rock Trail between Mitchell Rock and Twin Peaks. Comment
  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
  JEPS99950  Saxifraga californica S. O'Neil 2003-2-25 SEO 8 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC692474  Saxifraga californica Mary L. Bowerman 1931-3-7 554 Contra Costa Mount Diablo, South road below junction Mount Diablo Comment
  SEINET3840825  Scabiosa atropurpurea Unknown 2006-6-23 6 .322 Contra Costa West Valona, West of Zampa Bridge above San Pablo avenue, along small stream draining north into the Western end of the Carquinez Strait 91 Comment
  CDA42438  Scandix pecten-veneris D. G. Kelch 2012-5-29 12 .091 Contra Costa Carquinez Strait Region; Point Pinole. Comment
  JEPS75490  Scandix pecten-veneris P. F. Yorks 1974-4-19 134 Contra Costa 2 km s of Bear Creek Road (n of Briones Reservoir, on Hampton Road in Hampton Road Natural Reserve); Hampton Road Natural Reserve 200 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
  UCD128067  Scandix pecten-veneris Morris Halperin 1929-4-21 s.n. Contra Costa Morago Valley. Comment
  UCD150918  Schinus molle James A. Neilson Jr. 1972-10-27 3620 Contra Costa Clayton, C4. Elevation estimated using Google Earth by label maker. 121 Comment
  SEINET11754535  Schoenoplectus acutus var. occidentalis C. W. Sharsmith 1933-1 469 Contra Costa delta lands of Sacramento & San Joaquin rivers Comment
  UC2070487  Schoenoplectus acutus var. occidentalis Barbara Ertter 2002-11-11 18077 Contra Costa Round Valley Regional Preserve east of Mount Diablo. Comment
  CAS-BOT-BC111461  Schoenoplectus californicus Ira L. Wiggins 1930-11-18 4592 Contra Costa Levees, Jersey Island. Comment
  CAS-BOT-BC111830  Schoenoplectus tabernaemontani Virginia I. Dains; Walter Knight 1986-8-8 5458 Contra Costa Lct Rock S1 & Werner Cut. Comment
  SEINET192303  Scirpus acutus O. Woggoms, Woggoms 1930-4-18 4589 Contra Costa Jersey Island Contra Costa Co. Comment
  UC1618393  Scirpus cernuus Barbara Ertter, Dianne Lake, Brad Olson, Lynne Hosley, Amy Hiss 1991-8-18 10713 Contra Costa Browns Island n of Pittsburg (near confluence of Sacramento and San Joaquin Rivers, opposite Pittsburg Marina, (Botany Cove)); Browns Island Comment
  JEPS111881  Scirpus maritimus A. G. Murdock 2004-5-28 300 Contra Costa Luzon 60 Comment
  UC971682  Scirpus maritimus Leo Koch 1940-6-5 1004 a Contra Costa near highway saline flat two mi s San Rafael ferry dock; s of San Rafael ferry dock Comment
Read comments
Apr 14 2009
  CDA39144  Scirpus microcarpus D. G. Kelch 2003-4-13 3 .137 Contra Costa Carquinez Strait; Pinole Creek. Comment
  JEPS100143  Scrophularia californica subsp. californica G. Smick 2003-4-3 GAS 122 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC25837  Scutellaria tuberosa unknown 1037 Contra Costa Walnut Creek Comment
  UC565460  Scutellaria tuberosa Herbert L. Mason 1928-4-15 4342 Contra Costa top of Moraga Ridge Comment
  UC723846  Scutellaria tuberosa Joseph Andorfer Ewan 1934-4-8 8767 Contra Costa head of Arroyo Cayetaus (Mount Diablo); , Arroyo Cayetaus 609 Comment
  UC2029001  Scutellaria tuberosa Barbara Ertter 2000-3-30 16920 Contra Costa North side of Mount Diablo, in chaparral near base of Back Canyon Trail. Comment
  UC691406  Scutellaria tuberosa Mary L. Bowerman 1931-4-25 771 Contra Costa summit of Mount Diablo (at the junction of the one-way roads) 1143 Comment
  UC692320  Sedum spathulifolium Mary L. Bowerman 1935-6-15 3141 a Contra Costa on rocks just above Ransom Point (Meridian Peak, Mount Diablo); Mount Diablo, Meridian Peak, above Ransom Point Comment
  CAS-BOT-BC327382  Senecio aphanactis John Thomas Howell 1933-3-29 10900 Contra Costa Nortonville hills Comment
  CAS-BOT-BC327445  Senecio flaccidus var. douglasii Lewis S. Rose 1955-10-17 55186 Contra Costa Antioch 15 Comment
  UC1948955  Senecio glomeratus William J. Ferlatte, L. Maynard Moe 1970-4-27 1266 Contra Costa San Francisco Bay: Red Rock Island Comment
  UC35993  Senecio hydrophilus Jos. Burtt Davy 1900-6-7 6669 Contra Costa near Martinez 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
  CAS-BOT-BC364552  Senecio vulgaris Alice Eastwood 1923-5-4 11725 Contra Costa Mt. Diablo Comment
  UC1543053  Sequoia sempervirens Donald G. Nelson 1938-11-6 583 Contra Costa w Moraga (e slope of ridge below water storage tank); Moraga Ridge Comment
Read comments
Jan 25 2008
  CAS-BOT-BC80262  Sequoia sempervirens H. M. Hall 1902-3-4 2700 Contra Costa San Leandro Creek Comment
  SEINET13289876 Image available Sequoia sempervirens L. S. Rose 1934-1 Contra Costa Redwood Canyon Comment
  SEINET3876354 Image available Sequoia sempervirens Judy Kaufman 1963-2-15 9 Contra Costa On slopes of Flicker Ridge.; 0 122 Comment
  CDA33679  Sesbania punicea Leopando & Yost 2010-8-18 PDR# 1649543 Contra Costa Martinez: Central Ave. 0 Comment
  CDA33908  Sesbania punicea Guise/Duarte 2008-9-17 PDR# 1454087 Contra Costa Concord; East Olivera Rd., 1/4 mile north of Salvio St. 0 Comment
  UCD92599  Setaria parviflora John Thomas Howell; Gordon H. True 1972-6-29 48933 Contra Costa Byron Hot Springs. Road southeast of Byron. Comment
  CHSC116634  Sherardia arvensis Lowell Ahart; Josephine Guardino 2016-4-19 20802 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
  POM300647  Sidalcea malviflora subsp. malviflora Mary L. Bowerman 1933-4-22 1880 Contra Costa Shell Ridge where the highway crosses; Meadow (opposite Heather Farm), near the sulphur spring. Comment
  UC692409  Silene californica Mary L. Bowerman 1931-5-19 874 Contra Costa e-facing flank of main e branch Donner Canyon (Mount Diablo); , Donner Canyon Comment
  JEPS111786  Silene gallica D. G. Kelch 2004-5-7 04 .188 Contra Costa Ca ada del Cierbo Ca ada del Cierbo 40 Comment
  CAS-BOT-BC74934  Sinapis arvensis Ira L. Wiggins 1930-4-18 4611 Contra Costa Jersey Island. Comment
  UC407039  Sinapis arvensis Ira L. Wiggins 1930-4-18 4611 Contra Costa Jersey Island Comment
  UC691259  Sinapis arvensis Mary L. Bowerman 1938-5-25 3634 Contra Costa North Road 2 mi from North Gate (Mount Diablo); , North Road 182 Comment
  UC2028548  Sinapis arvensis Barbara Ertter 1998-4-4 15959 Contra Costa Shell Ridge Open Space northwest of Mount Diablo, west base of northwestern-most ridge. Comment
  JEPS100077  Sisymbrium officinale A. Langston 2003-6-19 AL 49 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  OBI70547  Sisymbrium orientale D. G. Kelch 2008-3-30 8 .027 Contra Costa Carquinez Strait: Crockets under Zampa (Carquinez) bridge 14 Comment
  UCD115663  Sisymbrium orientale Collector unknown Date unknown s.n. Contra Costa Contra Costa County. Comment
  CHSC24717  Sisyrinchium bellum G. Strang 1976-4-13 12 Contra Costa Hills directly S.W. of archery range in Briones Park. 182 Comment
  RSA0068486  Sisyrinchium bellum Katie Gallagher, Nick Jensen 2014-4-26 188 Contra Costa Las Trampas Regional Wilderness. 396 Comment
  JEPS125629  Sium suave Daniel Slakey with CNPS Volunteers 2015-9-12 228 Contra Costa Central part of large slough that runs north-south through Browns Island; east side of slough. Comment
  UC1618167  Solanum americanum Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10879 Contra Costa just w of Antioch Marina (Dow Wetlands Preserve, levee at n-center of preserve, at end of road); Dow Wetlands Preserve Comment
  UC570693  Solanum americanum H. L. Mason 1929-9-21 5445 Contra Costa 1 mi e of junction with road to Antioch (Bordon Highway); Bordon Highway Comment
  UC176058  Solanum umbelliferum Dr. J. H. Goodspeed 1913-5-3 Contra Costa Moraga Valley Comment
  UC2031456  Solanum umbelliferum Barbara Ertter with David Gowen 2014-4-9 21708 Contra Costa West end of Green Ranch Road southwest of Mount Diablo summit Comment
  UC1795730  Soliva sessilis Barbara Ertter, Mary Bowerman et al. 1995-5-7 14041 Contra Costa Three-Springs Trail on northeast side of Mt. Diablo southeast of Clayton, damp road bed, clayey, in grassy flat south of pond, near edge of blue oak forest. Comment
  UC697139  Soliva sessilis Mary L. Bowerman 1931-4-11 689 Contra Costa Pine Canyon , Pine Canyon (Mount Diablo) 121 Comment
  UC2028128  Soliva sessilis Barbara Ertter with Richard K. Brummitt 1998-5-6 16080 Contra Costa Base of Mitchell Rock Trail on north base of Mount Diablo. Comment
  CHSC116608  Sonchus asper subsp. asper Lowell Ahart; Josephine Guardino 2016-4-19 20769 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. 1.4 miles northwest of Los Vaqueros Reservoir Marina, 1.9 miles (air) southwest of Los Vaqueros Reservoir Dam, approximately 25 miles (air) southwest of Stockton. 144 Comment
  UC691439  Sonchus oleraceus Mary L. Bowerman 1932-4-27 1369 Contra Costa w facing bank of ridge w Riggs Canyon (Oyster Ridge, Mount Diablo); Mount Diablo, s face Oyster Ridge Comment
  UCD146721  Sonchus tenerrimus G. F. Hrusa; D. Crowe 1998-5-8 14376 Contra Costa Sacramento-San Joaquin River Delta. On Dow Chemical property at Pittsburg. Adjacent to shore of San Joaquin River. 2 Comment
  CDA32680  Spartina foliosa D. G. Kelch 2004-7-9 4 .314 Contra Costa Carquinez Strait Region; Rodeo Shoreline. Comment
  UCD92971  Spartina foliosa A. A. Beetle 1940-11-1 2636 Contra Costa San Francisco Bay, near Point Richmond. Comment
  UC1618227  Spergularia macrotheca Barbara Ertter 1990-10-14 9661 Contra Costa Point Isabel Regional Shoreline San Francisco Bay, El Cerrito (w shoreline, sw El Cerrito) Comment
  CAS-BOT-BC390742  Spergularia marina John Thomas Howell; Gordon H. True 1972-6-29 48914 Contra Costa On Byron Hot Springs Road southeast of Byron Comment
  UCD150899  Spergularia marina James A. Neilson Jr. 1972-10-22 3504 Contra Costa Walnut Creek drainage, near mouth of Walnut Creek. Elevation estimated using Google Earth by label maker. 0 Comment
  UC2027744  Spergularia rubra Barbara Ertter 1997-1-5 15436 Contra Costa Lime Ridge Open Space on northwest side of Mount Diablo, section on north side of Ygnacio Valley Road. Comment
  UC2036957  Spergularia rubra Mary L. Bowerman 1946-2-10 4081 Contra Costa Hard ground by C.C.C. camp. Comment
  UC1618132  Spergularia villosa Barbara Ertter, Brad Olson 1994-5-7 12747 Contra Costa s end of Point Molate Beach Park w of Richmond (n of bridge to San Rafael, San Francisco Bay, along old railroad grade); San Francisco Bay, Point Molate Beach Park Comment
  UC1948952  Spergularia villosa William J. Ferlatte, L. Maynard Moe 1970-4-27 1258 Contra Costa San Francisco Bay: Red Rock Island Comment
  CDA39223  Sporobolus indicus C. deNijs 2013-8-6 PDR# 070 P06137809 Contra Costa Vicinity of Knightsen. 0 Comment
  JEPS112464  Stachys ajugoides var. rigida D. G. Kelch 2003-4-3 03 .364 Contra Costa Cummings Skyway 115 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
  POM312580  Stachys albens Malcolm A. Nobs, S. Galen Smith 1949-7-8 943 Contra Costa Otto s Black Bass Resort, 4 miles north of Kingston. Comment
  CDA35678  Stachys bullata Deviney 2011-12-9 PDR# 1641237 Contra Costa Orinda; Tilden Botanical Garden/Nursery, Wildcat Canyon Road. 0 Comment
  JEPS36206  Stebbinsoseris heterocarpa W. L. Jepson 1922-5-23 9659 Contra Costa Mt. Diablo Comment
  UC691798  Stebbinsoseris heterocarpa Mary L. Bowerman 1933-5-8 2022 Contra Costa n side Rock City Ridge (n side Fossil Ridge); Mount Diablo, , Fossil Ridge Comment
  JEPS51119  Stellaria nitens Rachel G. Mossman 1931-3-22 Contra Costa Grizzly Peak Comment
  UC2027728  Stellaria pallida Barbara Ertter with Brad Olson, Jim Shevock, et al. 1997-3-19 15508 Contra Costa Vasco Caves Regional Park east of Los Vaqueros Reservoir between Livermore and Brentwood. Comment
  UC692299  Stellaria pallida Mary L. Bowerman 1933-3-18 1752 Contra Costa Meridian Peak Mount Diablo (a little e of the meridian) 45 Comment
  UC2031444  Stephanomeria elata Barbara Ertter with Brad Olson 1991-10-13 10856 Contra Costa SW corner of Point Richmond 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
  SD34503  Stipa pulchra A. A. Beetle 1941-3-28 1718 Contra Costa Orinda, in sandy soil of open cut Comment
  CAS-BOT-BC87098  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1942-7-19 17048 Contra Costa Northeast of Deer Flat, Mount Diablo. Comment
  CAS-BOT-BC87102  Streptanthus glandulosus subsp. glandulosus Mary L. Bowerman 1935-6-15 3136 Contra Costa Mount Diablo. Eagle Point ridge east of 2632. 762 Comment
  UC691257  Streptanthus glandulosus subsp. glandulosus Mary L. Bowerman 1935-4-22 2878 Contra Costa North Road 2 mi from entrance; Mount Diablo 237 Comment
  CAS-BOT-BC87335  Streptanthus hispidus H. L. Mason 1938-5-3 11751 Contra Costa Mount Diablo. Trail between Juniper Camp and Deer Flat. 990 Comment
  JEPS27001  Streptanthus hispidus E. W. Hicks 1917-3-24 112 Contra Costa Mt. Diablo 762 Comment
  RSA26397  Streptanthus hispidus J. T. Howell 1941-4-6 s.n. Contra Costa Ridge east of Deer Park, Mt. Diablo Comment
  UC1516892  Streptanthus hispidus W. H. Brewer 1862-5-14 1084 Contra Costa Mt. Diablo summit; Mt. Diablo; Mt. Diablo, Contra Costa Co. Comment
  UC402744  Streptanthus hispidus E. W. Hicks 1917-3-25 114 Contra Costa s-facing slope of w shoulder Mt. Diablo 762 Comment
  UC956587  Streptanthus hispidus Freed W. Hoffman 1949-4-17 2766 Contra Costa e side Eagle Peak (near summit); Mt. Diablo 725 Comment
  UC956588  Streptanthus hispidus Freed W. Hoffman 1949-4-17 2765 Contra Costa Deer Flat Trail a short distance n Juniper Camp 838 Comment
  CAS-BOT-BC422916  Stylomecon heterophylla Volney Rattan 1887-5-22 s.n. Contra Costa Alhambra Val. Comment
  RSA135424  Stylomecon heterophylla Volney Rattan 1883-04 s.n. Contra Costa Martinez. Comment
  RSA181407  Stylomecon heterophylla James I. McMurphy 1910-4-9 s.n. Contra Costa Antioch. Comment
  UC635477  Stylomecon heterophylla H. L. Mason 1928-4-29 4442 Contra Costa s slope Mount Diablo; s slope of Mount Diablo, Sycamore Canyon Comment
  UC635478  Stylomecon heterophylla H. L. Mason 1928-4-1 4271 Contra Costa hills n Mount Diablo (canyon back of Pittsburg); hills n of Mount Diablo Comment
  UC692177  Stylomecon heterophylla Mary L. Bowerman 1931-4-19 749 Contra Costa Mitchell Canyon Mount Diablo; , Mitchell Canyon Comment
  CAS-BOT-BC422918  Stylomecon heterophylla W. C. Blasdale 1891-4-26 s.n. Contra Costa Point Isabel Comment
  RSA446230  Stylomecon heterophylla H. de Forest 1930-4-6 s.n. Contra Costa [No location data on label] Comment
  RSA66297  Stylomecon heterophylla Lincoln Constance, J. L. Morrison 1938-4-5 2193 Contra Costa NW base of Mount Diablo, 6 miles SE of Walnut Creek, Coast Ranges Comment
  SEINET12102844  Stylomecon heterophylla Ottley 1920-1 475 Contra Costa San Francisco Bay region, Mitchell Canyon, Mt. Diablo 305 Comment
  UC407387  Suaeda moquinii Ira L. Wiggins 1930-4-17 4585 Contra Costa Byron Hot Springs Comment
  UC1119922  Symphoricarpos albus var. laevigatus N. French 1933-3-13 33 Contra Costa above Shelton School, San Pablo; San Francisco Quad. 91 Comment
  UC691751  Symphoricarpos albus var. laevigatus Mary L. Bowerman 1931-4-11 700 Contra Costa Pine Canyon Pine Canyon, Mount Diablo; Mount Diablo Comment
  CAS-BOT-BC269563  Symphoricarpos albus var. laevigatus Volney Rattan 1884-6-1 s.n. Contra Costa Unspecified Comment
  CAS-BOT-BC269693  Symphoricarpos mollis E. E. Stanford 1930-5-24 1509 Contra Costa Marsh Creek Canyon Comment
  UC1005951  Symphoricarpos orbiculatus N. Floy Bracelin 1943-3-8 2430 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  CAS-BOT-BC97701  Symphyotrichum chilense Walter Knight; Joanne Dean 1978-8-14 3140 Contra Costa Browns Island Comment
  CAS-BOT-BC97699  Symphyotrichum chilense Elizabeth McClintock; Stephen Rae 1978-8-3 s.n. Contra Costa Suisun Bay, Antioch Comment
  UC2042880  Symphyotrichum lentum Barbara Ertter, B. Olson, D. Lake, L. Hosley and A. Youngson 1991-10-20 10860 Contra Costa Dow Wetland Preserve, just W of Antioch. Comment
  JEPS103102  Symphyotrichum subspicatum Mary L. Bowerman 1993-10-19 Contra Costa Marsh Creek near Russelman Foad Mount Diablo Comment
  UC1561251  Symphyotrichum subspicatum Barbara Ertter 1989-9-30 8867 Contra Costa e of, (East Bay Skyline Nat'l Recreatn Trail (= Nimitz Way) n of Inspiration P. El Cerrito; Tilden Regional Park Comment
  UC1735313  Symphyotrichum subspicatum J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-16 9342 Contra Costa Charles Tilden Regional Park, Vollmer Peak, mid elevation Comment
  UC1606281  Symphyotrichum subulatum Barbara Ertter, B. Olson, D. Lake, L. Hosley, and A. Youngson 1991-10-20 10868 Contra Costa Dow Wetlands Preserve, just W of Antioch marina; along levee at water's edge, accessed from marina. Comment
  UC2027883  Symphyotrichum subulatum Barbara Ertter with Chris Thayer 1996-10-25 15368 Contra Costa Northwest flank of Mount Diablo, east end Northgate Trail from North Gate Road to Diablo Foothills Regional Park. Comment
  CAS-BOT-BC98331  Symphyotrichum subulatum var. parviflorum Walter Knight 1978-8-27 3196 Contra Costa Contra Loma Regional Park, at reservoir's edge. Comment
  CDA37132  Tamarix parviflora Wil Schaub 2012-4-19 PDR# 1641194 Contra Costa Lafayette; 3697 Happy Valley Road. 0 Comment
  JEPS96865  Tamarix parviflora Dean W. Taylor 1971-4-3 986 Contra Costa along Highway 4 in Contra Coasta County 1 mile east of the junction with Byron Road 3 Comment
  UC2029038  Taraxacum officinale Barbara Ertter 2000-3-30 16901 Contra Costa North base of Mount Diablo, lower Mitchell Canyon ca 1 miles from trailhead, near cottonwoods. Comment
  UC1555368  Taraxia ovata Jerry Powell 1988-2-18 1525 Contra Costa Point Molate west Richmond Comment
  JEPS33734  Taraxia ovata Mrs. E. L. Mossman 1931-3-12 57 Contra Costa Wildcat Canyon Berkeley Hills 213 Comment
  UC692478  Tetrapteron graciliflorum Mary L. Bowerman 1935-4-26 2907 Contra Costa w Indian Ceremonial Spring; Mount Diablo 1005 Comment
  UC692143  Thalictrum fendleri var. polycarpum Mary L. Bowerman 1935-6-15 3135 Contra Costa on banks of stream Mount Diablo, Mitchell Canyon 640 Comment
  CAS-BOT-BC88259  Thysanocarpus curvipes Robert F. Hoover 1935-3-10 310 Contra Costa Antioch sand dunes. Comment
  JEPS54202  Thysanocarpus curvipes W. L. Jepson 1891-5-24 Contra Costa Mt. Diablo Comment
  SEINET3404387 Image available Thysanocarpus curvipes Lewis S. Rose 1923-4-17 33096 Contra Costa Antioch, Spady Flats. Comment
  UC14311  Thysanocarpus curvipes Chestnut and Drew 1889-4-17 Contra Costa Summerville Comment
  CAS-BOT-BC88246  Thysanocarpus curvipes Alice Eastwood 1914-2-24 3737 Contra Costa Anticoch. Comment
  SEINET3166335  Thysanocarpus laciniatus P. J. Alexander, C. D. Bailey 2009-3-30 968 Contra Costa Mount Diablo State Park, 0.3 miles east of the summit of Mt. Diablo on the trail to North Peak, 8.7 miles ESE of central Walnut Creek. 1006 Comment
  UC691156  Thysanocarpus laciniatus Mary L. Bowerman 1933-5-17 2101 Contra Costa branch of Curry Canyon Mount Diablo (w-facing bank just n of first fork of canyon, due s of Olafson's barn); , branch of Curry Canyon 289 Comment
  JEPS116724  Thysanocarpus radians David Gowen 2006-4-22 546 Contra Costa Los Vaqueros Watershed. Chaparral area (Mallory Ridge?) just southeast of Morgan Territory Reg. Preserve. Comment
  JEPS63916  Toxicodendron diversilobum W. L. Jepson 1931-4-5 15716 Contra Costa Nortonville n.e. Contra Costa Co., Nortonville Comment
  JEPS63921  Toxicodendron diversilobum W. L. Jepson 1922-5-15 9643 Contra Costa N. Berkeley Hills Comment
  CAS-BOT-BC172935  Toxicodendron diversilobum John Thomas Howell 1925-11-1 1541 Contra Costa Ne. side of Moraga Ridge, Oakland Hills Comment
  SEINET5577082  Toxicodendron diversilobum H. S. Gentry 1931-1 56 Contra Costa Collected on Mt. Diablo near Buckle Point. Comment
  CDA8354  Tragopogon porrifolius D. G. Kelch, A. G. Murdock 2003-4-1 03 .093-B Contra Costa Carquinez Strait; Crockett. E bound entrance to Carquinez Bridge. Comment
  JEPS107101  Tragopogon porrifolius Barbara Ertter 1991-5-12 9812 Contra Costa Point Isabel Regional Shoreline in SW corner of El Cerrito; along old railroad right-of-way between San Francisco Bay and Salicornia marsh. Comment
  UC2012949  Tribulus terrestris Barbara Ertter with CNPS Volunteers 1990-9-16 9643 Contra Costa NE Contra Costa Co. Bethel Island NE of Brentwood, E end of Gateway Road at W edge of Franks Tract State Regional Area. Comment
  SD86680  Trientalis latifolia Helen V. Witham 1972-5-10 1740 Contra Costa steep north slope, Hucleberry Trail, Oakland Comment
  SD37268  Trifolium albopurpureum McCallum 1933-4-25 3699 Contra Costa Hillside near Tassajana Comment
  UC148552  Trifolium albopurpureum var. albopurpureum Katharine Brandegee 1909-4-24 Contra Costa Antioch Comment
  UC165553  Trifolium albopurpureum var. albopurpureum J. Burtt Davy 1895-1 956 Contra Costa Antioch Comment
  UC2028169  Trifolium albopurpureum var. albopurpureum Barbara Ertter 1998-5-3 16074 Contra Costa Wall Point Ridge on southwest flank of Mount Diablo, near Wall Point. Comment
  UC16604  Trifolium albopurpureum var. olivaceum W. H. Brewer 1862-5-19 1111 Contra Costa n Kirker Pass Comment
  UC697198  Trifolium barbigerum Mary L. Bowerman 1942-5-24 3843 Contra Costa lower Rock City Camp Mount Diablo, Fossil Ridge 457 Comment
  UC2028117  Trifolium bifidum var. bifidum Barbara Ertter with Richard K. Brummitt 1998-5-6 16092 Contra Costa Lower Donner Canyon on north base of Mount Diablo, Hetherington Trail upstream from Donner Cabin. Comment
  SBBG29986  Trifolium bifidum var. decipiens J. T. Howell 1933-5-14 11264 Contra Costa hills E of St Mary's College 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
  POM194562  Trifolium bifidum var. decipiens Ynez Mexia 1929-4-21 2375 Contra Costa Moraga Valley Comment
  POM300697  Trifolium bifidum var. decipiens Mary L. Bowerman 681 Contra Costa South of Russelman Parak. 381 Comment
  CDA23626  Trifolium ciliolatum D. G. Kelch 2008-4-12 8 .036 Contra Costa Mt Diablo. Mitchell Canyon. Along road looping north of main Mitchell Canyon Rd. Comment
  JEPS65796  Trifolium ciliolatum W. L. Jepson 1925-4-26 10689 Contra Costa Black Hills Mt. Diablo Comment
  UC555456  Trifolium ciliolatum H. L. Mason 1929-4-25 5204 Contra Costa Marsh Creek Rd Comment
  UC692251  Trifolium ciliolatum Mary L. Bowerman 1932-4-27 1363 Contra Costa w Riggs Canyon (Oyster Ridge, s face); Mount Diablo 762 Comment
  UC692256  Trifolium ciliolatum Mary L. Bowerman 1933-5-2 1939 Contra Costa below Pioneer Camp; Mount Diablo 762 Comment
  UC692460  Trifolium ciliolatum Mary L. Bowerman 1935-4-28 2926 Contra Costa e Pioneer Camp (ridge at w end of willizenii Flat); Mount Diablo Comment
  POM194646  Trifolium ciliolatum Ynez Mexia 2373 Contra Costa Moraga Valley Comment
  RSA135400  Trifolium ciliolatum Volney Rattan s.n. Contra Costa Alhambra Valley Comment
  UC2028951  Trifolium depauperatum var. amplectens Barbara Ertter 2003-3-28 18121 Contra Costa Round Valley Regional Preserve, Fox Trail ca 1/8 mile west of junction with valley trail. Comment
  UC2070477  Trifolium depauperatum var. amplectens Barbara Ertter 2003-3-28 18121 Contra Costa Round Valley Regional Preserve, Fox Trail ca 1/8 mile west of junction with valley trail. Comment
  UC1103439  Trifolium depauperatum var. hydrophilum J. P. Tracy 1900-3-24 629 Contra Costa near Stege 3 Comment
  UCSC010986  Trifolium depauperatum var. laciniatum R. Morgan 1996-4-2 2852 Contra Costa NE side of Byron Hwy (07) just N or Byron Hot Springs Rd Comment
  UCSC011137  Trifolium depauperatum var. laciniatum R. Morgan 2015-4-11 6740 Contra Costa Byron Comment
  UC1586032  Trifolium depauperatum var. truncatum Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8134 Contra Costa w and adjscent to Clifton Court Forebay (ca 15 air mi sw of Stockton); ; SESW 0 Comment
  UC1861833  Trifolium depauperatum var. truncatum Barbara Ertter, Chris Thayer 1995-4-25 13998 Contra Costa Southeast side of Mt. Diablo northeast of Danville; Black Hawk Ridge Rd. on north side Black Hawk Ridge. 548 Comment
  JEPS127103  Trifolium dubium Lowell Ahart, Josephine Guardino 2016-4-19 20757 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
  UC1607614  Trifolium fragiferum Barbara Ertter, Brad Olson 1993-8-8 12199 Contra Costa sw San Ramon; Bishop Ranch Regional Open Space Comment
  JEPS65864  Trifolium fucatum W. L. Jepson 1896-5-29 13720 Contra Costa Wild Cat Creek Berkeley Comment
  JEPS73328  Trifolium fucatum Edward Lee 1935-3-29 1311 Contra Costa e Kirker Pass (Donovan Rd, w watershed of Kirker Creek) Comment
  UC16537  Trifolium fucatum J. Burtt Davy 1900-3-24 6531 Contra Costa Stege Comment
  UC692239  Trifolium fucatum Mary L. Bowerman 1932-5-6 1421 Contra Costa Mitchell Canyon Mount Diablo Comment
  SEINET12147993  Trifolium fucatum Unknown 1878-1 s.n. Contra Costa Near Mt. Diablo Comment
  UC631616  Trifolium fucatum P. B. Kennedy 1928-4-28 10096 Contra Costa 2 mi from Tunnel (on hwy) Comment
  UCD109005  Trifolium fucatum P. B. Kennedy 1928-4-15 10056 Contra Costa Pinehurst. Comment
  UCD109123  Trifolium fucatum P. B. Kennedy 1928-4-28 10097 Contra Costa 2 miles from Tunnel, along highway. Comment
  UC1618357  Trifolium gracilentum Barbara Ertter, Chris Thayer 1993-5-7 11712 Contra Costa 1/2 mi n of Vollmer (=Bald) Peak in East Bay Municipal Utilities District land e of Tilden Park (s of Wildcat Canyon Road); East Bay Municipal Utilities District Comment
  UC16557  Trifolium gracilentum W. H. Brewer 1862-5-19 1116 Contra Costa n Kirker's Pass Comment
  CDA15234  Trifolium incarnatum G. F. Hrusa, D. Crowe 1998-5-8 14364 Contra Costa Sacramento Delta; Dow Chemical property at Pittsburg. Comment
  JEPS100106  Trifolium microcephalum G. Smick 2003-5-1 GAS 164 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  UC1130084  Trifolium microdon C. M. Belshaw 1936-5-7 2043 Contra Costa 2 mi s San Ramon; Mt. Diablo quadrangle 274 Comment
  CDA28015  Trifolium oliganthum D. G. Kelch, A. G. Murdock 2005-4-15 5 .15 Contra Costa Carquinez Strait Region; Rodeo Creek. EBRP land. West of Cummings Skyway near summit (Old C&H Sugar diatomaceous earth dump). Comment
  UC165547  Trifolium oliganthum Ivar Tidestrom 1895-4-13 Contra Costa near Lafayette Comment
  UC692645  Trifolium oliganthum Mary L. Bowerman 1932-3-27 1136 Contra Costa below Mitchell Rock; Mount Diablo Comment
  JEPS4442  Trifolium oliganthum W. L. Jepson 1891-6-9 13698 Contra Costa Fish Ranch Comment
  UC2028158  Trifolium oliganthum Barbara Ertter 1998-4-4 15953 Contra Costa Shell Ridge Open Space northwest of Mount Diablo. Comment
  UC2029052  Trifolium oliganthum Barbara Ertter 2000-3-30 16904 Contra Costa North base of Mount Diablo, lower Mitchell Canyon ca 1.5 miles from trailhead. Comment
  CHSC116629  Trifolium tomentosum Lowell Ahart; Josephine Guardino 2016-4-19 20760 Contra Costa Undesignated section of Canada de Los Vaqueros Land Grant. On both 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
  SJSU5771  Trifolium variegatum C. O. Dudley 1966-4-16 Contra Costa Reliez Valley, Briones Hills N of Lafayette Comment
  UC165603  Trifolium variegatum var. melananthum J. Burtt Davy 1897-4-17 Contra Costa Point Isabel Comment
  JEPS127672  Trifolium variegatum var. variegatum Barbara Ertter with David Gowen and Michael Park 2017-5-2 22804 Contra Costa West Marsh Creek State Park (former Cowell Ranch) SW of Brentwood, Briones Valley east of Deer Valley Road. Comment
  JEPS70759  Trifolium willdenovii L. R. Heckard 1971-4-22 2493 Contra Costa e Pinole (rr grade near US Hwy 80 crossing) Comment
  UC1197525  Trifolium willdenovii J. P. Tracy 1900-3-24 604 Contra Costa near Stege 9 Comment
  UC1543244  Trifolium willdenovii Donald G. Nelson 1937-3-30 474 Contra Costa s Byron (on rd to Tracy along rr tracks paralleling hwy) Comment
  UC165503  Trifolium willdenovii J. Burtt Davy Apr 7-8 1895 954 Contra Costa Antioch Comment
  POM18879  Trifolium willdenovii H. P. Chandler 1901-3-22 841 Contra Costa Concord. Comment
  UCD109505  Trifolium willdenovii Collector unknown Date unknown s.n. Contra Costa 5 miles north of Walnut Creek on road to Contra Costa Golf Club. Comment
  UCD35901  Trifolium willdenovii Beecher Crampton 1966-4-26 7665 Contra Costa ca. 2.5 miles west of Martinez on the road to Crockett. Comment
  JEPS66076  Trifolium wormskioldii W. L. Jepson May 23 1891-May 24 1891 13655 Contra Costa Mt. Diablo Comment
  JEPS112458  Triglochin striata D. G. Kelch 2003-8-13 03 .116 Contra Costa Martinez Marsh 0 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
  UC615554  Trillium chloropetalum Beryl O. Schreiber 1932-3-6 47 Contra Costa near San Pablo Dam San Pablo Dam Comment
  UC13818  Trillium ovatum E. L. Drew 1888-2-22 Contra Costa Moraga Valley Comment
  UC103158  Triphysaria eriantha subsp. eriantha C. F. Baker 1903-4-27 2792 Contra Costa Byron Comment
  UC1586061  Triphysaria eriantha subsp. eriantha Barbara Ertter with Jim Jokerst and Dave Magney 1989-4-5 8125 Contra Costa ca 15 air mi sw Stockton (se Contra Costa County); adjacent to Clifton Court Forebay 0 Comment
  UC650592  Triphysaria eriantha subsp. eriantha Ira L. Wiggins 1930-4-17 4571 Contra Costa 1/4 mi s Byron Comment
  UC691567  Triphysaria pusilla Mary L. Bowerman 1935-4-12 2810 Contra Costa West (= North Rd) road immediately w of east line of section 33 Mount Diablo (across the stream from the road) 167 Comment
  CDA33658  Triphysaria versicolor subsp. faucibarbata Duarte/ Gomes 2011-4-18 PDR# 1625731 Contra Costa Knightsen 0 Comment
  UC53698  Trisetum canescens J. Burtt Davy 1900-3-24 6520 Contra Costa Pt. Richmond Comment
  JEPS112496  Triteleia laxa D. G. Kelch 2004-5-9 04 .204 Contra Costa Crockett - Upper Edwards Canyon, Crockett, above Crockett Blvd 160 Comment
  CAS-BOT-BC526332  Triteleia laxa A. A. Heller 1908-4-17 8902 Contra Costa Hills three miles south of Antioch 18 Comment
  CAS-BOT-BC67347  Tropidocarpum capparideum Robert F. Hoover 1936-3-19 806 Contra Costa Byron Hot Springs. Comment
  UC136962  Tropidocarpum gracile K. Brandegee April, 1889 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
  JEPS123184  Tropidocarpum gracile David Gowen 2009-5-12 1021 Contra Costa East of Las Trampas Ridge on Del Amigo Trail, near saddle northeast of junction with Sulpher Springs Trail. Comment
  CDA15285  Typha angustifolia G. F. Hrusa, D. Crowe, R. York 1998-7-17 14723 Contra Costa Sacramento Delta; Small colony and a few scattered inds. in bottom of now dry drainage/wash through disturbed grasslands at E end of Dow Chemical property. Site clearly wet earlier in season, but w/out standing water at this time. Comment
  JEPS111914  Typha angustifolia Dean G. Kelch and Andrew G. Murdock 2003-8-13 DGK 03 .105 Contra Costa Martinez Marsh. Comment
  JEPS121002  Typha angustifolia D. G. Kelch 2003-8-13 03 .105 Contra Costa Martinez Marsh Comment
  UC1241764  Typha domingensis Malcolm A. Nobs and S. Galen Smith 1949-6-28 877 Contra Costa on road to Martinez about two mi s Crockett Comment
  UC692073  Typha domingensis Mary L. Bowerman 1938-6-14 3677 Contra Costa Mineral Spring Mount Diablo (along streamlet); , Mineral Spring 350 Comment
  RSA721868B  Ulmus minor Barbara Ertter, Richard K. Rabeler 1994-6-18 12837 Contra Costa Pt. Pinole Regional Shoreline at north end of Richmond; northeast corner of park, near jct Marsh Trail and Cook's Point Trail. Comment
  CAS-BOT-BC91090  Umbellularia californica Alice Eastwood 1922-3-17 11086 Contra Costa Mount Diablo. Comment
  CDA24511  Umbellularia californica D. G. Kelch, A. G. Murdock 2003-2-7 03 .037.B Contra Costa Carquinez Strait Region; Franklin Canyon. Comment
  CDA37275  Umbellularia californica D. G. Kelch 2009-12-21 9 .712 Contra Costa Vicinity of Richmond; canyon northeast of Alvarado Park. 0 Comment
  SEINET12093234  Umbellularia californica Unknown 1983-1 4965 Contra Costa Castro Ranch Road between Hillside St. and Alhambra Valley Road. Plant survey for Douglas Carter Comment
  UCSB11593  Umbellularia californica Grah, Nancy 1962-4-20 Contra Costa 2.0 miles east from San Pablo Dam Road; on Wildcat Canyon Road; 4 miles east of Berkeley 274 Comment
  CAS-BOT-BC381829  Uropappus lindleyi H. M. Hall 1901-4-5 1731 Contra Costa Region of San Francisco Bay. Mt. Diablo 457 Comment
  JEPS35668  Uropappus lindleyi W. L. Jepson 1931-4-5 15717 Contra Costa Nortonville 457 Comment
  UC691782  Uropappus lindleyi Mary L. Bowerman 1933-5-18 2137 Contra Costa Mount Diablo Comment
  UC691797  Uropappus lindleyi Mary L. Bowerman 1931-4-4 632 Contra Costa two mi by road from North Gate Mount Diablo (Mount Diablo); Mount Diablo Comment
  UC691799  Uropappus lindleyi Mary L. Bowerman 1933-6-3 2242 Contra Costa Ransom Point Ridge , Ransom Point Ridge (Mount Diablo) Comment
  UC1818992  Uropappus lindleyi Barbara Ertter, Lisa Schultheis 1995-4-27 14010 Contra Costa Lime Ridge open space northwest of Mt. Diablo in Walnut Creek; northwest side of open grassy ridge at end of Arbolado Dr. 121 Comment
  CAS-BOT-BC404065  Urtica dioica subsp. holosericea Vincent Jones 1920-8-29 s.n. Contra Costa Orwood Comment
  CHSC116352  Urtica urens D. G. Kelch 2006-2-25 6084 Contra Costa Carquinez Strait: Crockett. Edwards Canyon. 53 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
  UCSB21670  Vaccinium ovatum Keefe, Joseph 1967-3-20 Contra Costa Along Huckleberry Trail, 0.5 mile east of Skyline Boulevard, east of Berkeley 274 Comment
  UC1050826  Verbascum N. Floy Bracelin 1941-6-1 1346 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC2070590  Verbena bonariensis Barbara Ertter 2005-8-18 18638 Contra Costa Mudflats on SE side of San Pablo Reservoir in East Bay Hills, east of San Pablo Dam Road between San Pablo and Orinda. Comment
  JEPS121073  Verbena lasiostachys D. G. Kelch 2006-8-6 06 .363 Contra Costa Rodeo Creek, in Rodeo. Comment
  UC176060  Verbena lasiostachys var. scabrida R. P. Brandt 1914-7-9 Contra Costa Berkeley Hills. Comment
  UC691756  Verbena lasiostachys var. scabrida Mary L. Bowerman 1930-9-27 464 Contra Costa West base spring (2 miles by road from North Gate, take trail to west; follow to fence, go through). Comment
  UC2028357  Verbena litoralis Barbara Ertter with Tony Morosco 1998-7-11 16372 Contra Costa Antioch Marina, in riverside tidal marsh Comment
  JEPS25389  Veronica peregrina subsp. xalapensis Rimo Bacigalupi with G. T. Robbins and Francia Chisaki 1959-4-14 7002 Contra Costa 2 1/2 mi se of Antioch (just e of Antioch Airport, along Lone Tree Way) 56 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
  UC1050363  Viburnum trilobum N. Floy Bracelin 1943-7-25 2187 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UC1050716  Viburnum trilobum N. Floy Bracelin August, 1941 1134 Contra Costa Adelante, The Garden of Anson and Anita Blake, Berkeley, California Comment
  UCSB12524  Vicia americana Grah, Nancy 1962-4-4 Contra Costa 1.4 miles north of Tarry Lane on Tappen Lane, Orinda 243 Comment
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Mar 15 2008
  JEPS66156  Vicia americana var. americana W. L. Jepson May 22 1891-May 23 1891 13638 Contra Costa Mt. Diablo Comment
  UCD108684  Vicia americana var. americana Beecher Crampton 1966-4-26 7667 A Contra Costa ca. 2.5 miles west of Martinez on the road to Crockett. Comment
  JEPS100101  Vicia benghalensis G. Smick 2003-3-27 GAS 98 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS105699  Vicia hassei David Gowen 2004-3-28 20 Contra Costa Black Diamond Mines Regional Preserve.River View Loop trail southeast of the Arata Overlook trail junction. Comment
  CDA15256  Vicia sativa subsp. sativa G. F. Hrusa, D. Crowe 1998-5-8 14387 Contra Costa Sacramento Delta; E end of Dow Chemical property in Pittsburg. Comment
  CDA42434  Vicia villosa D. G. Kelch 2012-5-27 12 .075 Contra Costa Carquinez Strait Region; Pinole Valley Park. Comment
  JEPS99507  Vicia villosa subsp. varia Mary Bowerman 1978-5-4 Contra Costa Mount Diablo, Nort Gate Rd. 3/4 above Arroyo del Cerro. Also lower down. Comment
  UCD109027  Vicia villosa subsp. varia Rimo Bacigalupi; L. Heckard, P. Silva 1962-4-16 8439 Contra Costa Adjacent to U.S. Highway 40. 2 miles south of Pinole Junction. Comment
  SJSU2616  Viola pedunculata W. E. Ferguson 1942-4-25 Contra Costa E base of Mt Diablo 304 Comment
  POM135226  Viola pedunculata H. P. Chandler 1901-3-21 844 Contra Costa Concord. Comment
  UC2027997  Viola purpurea subsp. quercetorum Barbara Ertter with Tony Morosco 1998-4-12 16022 Contra Costa Mount Olympia on north side of Mount Diablo, midway down Olympia Road from summit. Comment
  UC1789166  Vitis Barbara Ertter 1995-4-27 14020 Contra Costa walkway along ditch between Valley Vista and Arbolado Park, Walnut Creek, ca 300 ft; naturalized on concrete ditchbank, twigs red, flowers green, fragrant. Comment