Search Results — 2000 specimen records retrieved (1351 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=SAN MATEO; Source=All;   
Map/download results:

BerkeleyMapper with layers and yellow flags

Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

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

(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CHSC22697  Abronia latifolia Robert A. Schlising; Glenn Keator 1962-2-3 2043 San Mateo Sand dunes along Hwy 1, 3.9 mi N of Jct with Bonnie Doon Road. Comment
  CAS-BOT-BC383898  Abronia latifolia W. R. Dudley 1896-11-15 s.n. San Mateo Santa Cruz Peninsula. Spanish town Comment
  CAS-BOT-BC233754  Abronia umbellata W. R. Dudley 1891-7-5 2 San Mateo Pescadero, Santa Cruz Peninsula Comment
  CAS-BOT-BC177046  Acacia dealbata Walter Knight; Irja Knight; Elizabeth McClintock 1963-1-12 s.n. San Mateo Crocker Ave. Comment
  SD27820  Acaena pinnatifida var. californica Carl B. Wolf 1929-5-25 3732 San Mateo Pebble Beach, south of Pescadero Comment
  SJSU8181  Acaena pinnatifida var. californica S. H. Casey 1969-4-17 228 San Mateo Colma Canyon, San Bruno Mountain Comment
  RSA51240  Acaena pinnatifida var. californica Peter H. Raven 1950-4-16 1795 San Mateo Colma Canyon, San Bruno Mountains. 183 Comment
  CAS-BOT-BC219600  Acanthomintha duttonii A. D. E. Elmer 1903-5-1 4538 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC219601  Acanthomintha duttonii Lewis S. Rose 1936-5-28 36303 San Mateo Emerald Lake, W. of Redwood City 91 Comment
  CAS-BOT-BC219607  Acanthomintha duttonii A. D. E. Elmer 1903-5-1 4538 San Mateo Crystal Springs Lake Comment
  JEPS81238  Acanthomintha duttonii Susan C. Sommers 1982-5-20 San Mateo Edgewood Park Comment
  SBBG33522  Acanthomintha duttonii A. D. E. Elmer -May-1903 4538 San Mateo Crystal Springs Lake Comment
  UC1187063  Acanthomintha duttonii David D. Keck 1940-5-15 5034 San Mateo w of Redwood City (Emerald Lake); Emerald Lake Comment
  UC729637  Acanthomintha duttonii Carl B. Wolf 1929-5-24 3723 San Mateo above Upper Emerald Lake (back of Redwood City) Comment
  LA55133  Acanthomintha ilicifolia Harry A. Dutton; Harriet A. Walker 1915-5-29 3819 San Mateo near the Menlo Golf Club Comment
Read comments
Jul 30 2017
  SD27833  Acanthomintha obovata Carl B. Wolf 1929-5-24 3723 San Mateo Open grassy hills above upper Emerald Lake back of Redwood City. Comment
  RSA0076538  Acanthomintha obovata subsp. duttonii L. R. Abrams 1920-6-1 7500 San Mateo Back of Redwood City. Comment
  CAS-BOT-BC333291  Acer macrophyllum A. D. E. Elmer 1903-5-1 4509 San Mateo Portola Comment
  CAS-BOT-BC333293  Acer macrophyllum George Oberlander 1950-4-2 583 San Mateo San Francisco Watershed Reserve. South, Lake Pilarcitos Comment
  CAS-BOT-BC333295  Acer macrophyllum Margaret A. Barry 1938-4-21 236 San Mateo Los Trancos Creek near Coal Mine Ridge Comment
  CAS-BOT-BC333297  Acer macrophyllum Robert Setzer 1969-3-30 2140 San Mateo Crystal Springs Road 60 Comment
  JROH153  Acer macrophyllum Le Roy Abrams 1902-4-6 2314 San Mateo Jasper Ridge Biological Preserve, Stanford University 110 Comment
Read comments
Feb 20 2015
  JROH168  Acer negundo John H. Thomas 1968-3-17 14175 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake 106 Comment
  CAS-BOT-BC336921  Acer negundo var. californicum Carl B. Wolf 1930-11-5 1809 San Mateo 4 miles west of La Honda, Santa Cruz Mtns. 91 Comment
  UC138076  Acer negundo var. californicum C. F. Baker 1902-4 472 San Mateo Crystal Springs Lake Comment
  SEINET7898512  Acer saccharum D. Nyquist 1960-4-18 44 San Mateo San Francisco. Comment
  CAS-BOT-BC21589  Achillea millefolium C. F. Leitholdt 1894-4-6 s.n. San Mateo New road to Black Mountain Comment
  CAS-BOT-BC21594  Achillea millefolium Elizabeth McClintock 1972-4-23 s.n. San Mateo San Bruno Mountain, above Fern Rock Comment
  HSC23987  Achillea millefolium Mary Katherine Wicksten 1971-6-24 109 San Mateo Huddart Park, side of park entrance Comment
  UCSC007713  Achillea millefolium Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  JROH460  Achyrachaena mollis John H. Thomas 1966-4-24 11583 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH465  Achyrachaena mollis John H. Thomas 1976-4-30 18101 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH473  Achyrachaena mollis John Hunter Thomas 1986-5-6 24010 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC29100  Achyrachaena mollis David D. Keck 1932-5-6 1484 San Mateo Hills just west of Millbrae Highlands 120 Comment
  UC336187  Achyrachaena mollis Kellogg and Harford San Mateo Plains of Sacramento Comment
  JROH2057  Acmispon americanus var. americanus D. E. Breedlove 1971-5-31 19343 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH2060  Acmispon americanus var. americanus John Hunter Thomas 1977-6-16 18755 San Mateo Jasper Ridge Biological Preserve, Stanford University; near old racing oval Comment
  JROH2069  Acmispon glaber var. glaber John H. Thomas 1970-7-5 15662 San Mateo Jasper Ridge Biological Preserve, Stanford University 152 Comment
  JEPS127788  Acmispon wrangelianus Adam C. Schneider with C. Matt Guilliams 2013-4-7 59 San Mateo Along dirt road running parallel to overhead power transmission lines. GPS coordinates approximate. Comment
  UCD35770  Acmispon wrangelianus Beecher Crampton 1962-6-11 6491 San Mateo Pacifica, north city limits, along State Hwy. 1 just southwest of its junction with Skyline Blvd. Comment
  JROH2088  Acmispon wrangelianus Duncan M. Porter 1960-4-22 660 A San Mateo Jasper Ridge Biological Preserve, Stanford University; meadow near crest of N-facing slope above Webb Ranch. Quadrat H-4 Comment
  CAS-BOT-BC391678  Actaea rubra Margaret A. Barry 1937-7-17 197 San Mateo On Coal Mine Ridge Comment
  CAS-BOT-BC391679  Actaea rubra J. H. Thomas 1963-5-6 10062 San Mateo Summit of La Honda Road at Skyline Blvd. 609 Comment
  UC1537327  Actaea rubra Gordon H. True Jr. 1936-4-5 390 San Mateo canyon between San Gregorio and Pescadero 152 Comment
  CAS-BOT-BC139956  Adenostoma fasciculatum David D. Keck 1932-5-25 1781 San Mateo Hills two miles west of Belmont Comment
  CAS-BOT-BC139960  Adenostoma fasciculatum Linda Fox 1969-6-20 1001 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  CAS-BOT-BC140000  Adenostoma fasciculatum Fred Hemphill 1973-4-22 722 San Mateo San Carlos, area north of Malabar Rd. and Melendy Dr. 207 Comment
  JROH3581  Adenostoma fasciculatum var. fasciculatum Gelsomina Smith 1951-6-5 122 San Mateo Jasper Ridge Biological Preserve, Stanford University 121 Comment
Read comments
Feb 26 2015
  CAS-BOT-BC384616  Adiantum aleuticum J. Lovelle 1973-7-29 s.n. San Mateo Pescadero Creek Comment
  JROH87  Adiantum aleuticum John Hunter Thomas 1979-6-12 19591 San Mateo Jasper Ridge Biological Preserve, Stanford University. West side of dam, near bottom Comment
  UC1063727  Adiantum jordanii G. E. Sindel 1935-8-2 322 San Mateo head of <Harington> Creek; Santa Cruz Quadrangle Comment
  CAS-BOT-BC202682  Aesculus californica Margaret A. Barry 1937-6-24 184 San Mateo On Coal Mine Ridge Comment
  JROH2706  Aesculus californica John H. Thomas 1969-5-28 15086 San Mateo Jasper Ridge Biological Preserve, Stanford University 134 Comment
  JROH2710  Aesculus californica John H. Thomas 1975-6-5 17946 San Mateo Jasper Ridge Biological Preserve, Stanford University. Oakwoodland below Searsville Dam. 86 Comment
  UCR3560  Aesculus californica Wm. Horn Jr. 1963-6-10 630610- 2 San Mateo San Francisco Bay Region, Hillsborough [Burlingame], 2240 Redington Road 30 Comment
  POM52830  Agoseris grandiflora A. D. E. Elmer 1903-04 s.n. San Mateo Crystal Springs Lake. Comment
  JROH483  Agoseris grandiflora var. grandiflora John H. Thomas 1974-5-29 17401 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC23019  Agoseris grandiflora var. grandiflora W. R. Dudley 1899-5-14 s.n. San Mateo Fields southwest of Baden Comment
  CAS-BOT-BC46175  Agoseris heterophylla Ned Cahill 1974-4-29 178 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JROH491  Agoseris heterophylla John H. Thomas 1971-4-10 15758 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC15235  Agoseris hirsuta David D. Keck 1932-5-6 1461 San Mateo near Belmont Comment
  CAS-BOT-BC15240  Agoseris hirsuta Roxana S. Ferris 1921-4-7 2129 San Mateo San Bruno Mountain 213 Comment
  CAS-BOT-BC15247  Agoseris hirsuta Elizabeth McClintock; Phillip C. Wheeler 1965-5-23 s.n. San Mateo San Bruno Mountain, top of ridge East of Nike Station Comment
  UCD51827  Agrostis avenacea Peter H. Raven 1950-6-3 2272 San Mateo on the stand of San Andreas Lake. 121 Comment
  UCSC008505  Agrostis blasdalei Randall Morgan 2013-5-24 5528 San Mateo Bean Hollow State Beach, about 100 m up trail from parking lot Comment
  UCD51853  Agrostis capillaris var. aristata John Thomas Howell 1975-9-25 51509 San Mateo San Bruno Mountain. Comment
  UCD52000  Agrostis densiflora Beecher Crampton 1962-6-11 6489 San Mateo northern city limits of Pacifica, State Hwy. 1 just s.w. of its junction with Skyline Blvd. Comment
  POM88024  Agrostis exarata Le Roy Abrams 1901-5-14 1640 San Mateo Stanford University, Jasper Ridge Comment
Read comments
Feb 18 2012
  CDA926  Agrostis pallens D. G. Kelch, B. G. Baldwin, Sue Bainbridge, Abigail Moore 2005-6-21 5 .369 San Mateo S.F. Water District land, near Spring Valley. NE corner Pilarcitos Lake. Comment
  JROH4802  Agrostis pallens John Rawlings 2011-6-14 1073 San Mateo Jasper Ridge Biological Preserve, Stanford University. Uphill side of Trail 5. 119 Comment
  SEINET11673837  Agrostis pallens H. E. Weiser 1932-1 s.n. San Mateo Black Mtn Road, Hillsborough Hills, near Burlingame Comment
  UCD53588  Agrostis stolonifera Malcolm A. Nobs; S. Galen Smith 1949-8-25 1550 San Mateo Sharp Park. Comment
  JROH4825  Aira caryophyllea John H. Thomas 1968-5-3 14447 San Mateo Jasper Ridge Biological Preserve, Stanford University 172 Comment
  JROH5613  Aira caryophyllea John Rawlings 2014-4-11 1216 San Mateo Jasper Ridge Biological Preserve, Stanford University; in road G immediately north of its intersection with Rd. J. 144 Comment
  JROH5641  Aira caryophyllea John Rawlings 2014-6-2 1253 San Mateo Jasper Ridge Biological Preserve, Stanford University; Red Hot Poker Meadow north of Bear Creek and ~ 50 meters east of the Sand Hill Rd. fenceline 102 Comment
  UCR124189  Aira caryophyllea George K. Helmkamp, E. A. Helmkamp 2001-6-2 6792 San Mateo Central Coast, Purissima Creek Rd., 0.9 mi from Calif. Hwy 1(junction about 4 mi south of Half Moon Bay) 91 Comment
  CAS-BOT-BC138251  Aira caryophyllea var. caryophyllea H. L. Mason 1921-5-29 s.n. San Mateo Near Arroyo de las Frijoles. Comment
  CAS-BOT-BC445394  Alisma plantago-aquatica John Thomas Howell 1926-10-9 2219 San Mateo Near Lake San Andreas Comment
  JROH4543  Allium amplectens John H. Thomas 1985-5-7 23645 San Mateo Jasper Ridge Biological Preserve, Stanford University. Serpentine grassland beyond blue oak woodland Comment
  CAS-BOT-BC447499  Allium amplectens Le Roy Abrams 1902-5-8 2431 San Mateo Standford University Comment
  CAS-BOT-BC467298  Allium dichlamydeum Barrett Anderson; Peter Rubtzoff 1988-4-26 3675 San Mateo San Bruno Mountain. Radio Road south of Guadalupe Parkway. 365 Comment
  SEINET8534224 Image available Allium dichlamydeum A. A. Heller 1907-5-23 8564 San Mateo Back of San Mateo on the Half Moon Bay road. Comment
  SEINET12053529  Allium lacunosum L. S. Rose 1932-1 32223 San Mateo Redwood City 183 Comment
  CAS-BOT-BC472790  Allium neapolitanum J. Ed. McClellan; Bonnie McClellan 1972-4-1 4 San Mateo Bernal Ave, Burlingame Comment
  CAS-BOT-BC132034  Allium peninsulare var. franciscanum A. D. E. Elmer 1903-6-1 4595 San Mateo San Mateo Comment
  JROH4564  Allium peninsulare var. franciscanum John H. Thomas 1968-5-22 14461 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC475448  Allium serra John H. Thomas 1969-4-24 14905 San Mateo Near Canada College, Redwood City, near Farm Hill Drive. Comment
  CAS-BOT-BC475449  Allium serra Ned Cahill 1974-5-13 246 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  RSA15281  Alnus rhombifolia C. B. Wolf 1927-4-3 247 San Mateo 1 mile above La Honda. Santa Cruz Mountains Comment
  UC5355  Alnus rubra J. Burtt Davy 1895-4-21 1062 San Mateo Pilarcitos Creek Comment
  SEINET7594710 Image available Alopecurus geniculatus Lewis S. Rose 1932-1 32209 San Mateo San Bruno, San Bruno.; 0 183 Comment
  SJSU15844  Amaranthus californicus John Rawlings, Toni Corelli 2014-10-5 1268 San Mateo Santa Cruz mountains west of Skyline Blvd. USGS US Topo 7.5-minute map for La Honda; west of Windy Hill Open Space Preserve, Portola Valley 438 Comment
  UC135837  Amaranthus californicus C. F. Baker 1902-10-20 1855 San Mateo Searsville Comment
  JROH4576  Amaryllis belladonna Toni Corelli 2011-10-4 374 San Mateo Jasper Ridge Biological Preserve, Stanford University. Disturbed area below Douglas' iris site 89 Comment
  CAS-BOT-BC44925  Ambrosia chamissonis Robert T. Orr 1961-7-13 s.n. San Mateo Ano Nuevo Island Comment
  RSA57518  Ambrosia chamissonis C. F. Baker 1902-10-1 1745 San Mateo Pillar Point. Comment
  CDA9963  Ambrosia chamissonis F. L. Blanc 1960-6-28 San Mateo 1 mile north of Half Moon Bay. 0 Comment
  SEINET11855119  Ambrosia chamissonis E. H. Graham 1931-1 6941 San Mateo Ano Nuevo Pt. S of San Francisco Comment
  RSA18297  Amelanchier pallida Carl B. Wolf 1927-5-31 419 San Mateo Searsville Lake Comment
  CAS-BOT-BC136825  Amelanchier utahensis Elizabeth McClintock; Paul Reedberg 1988-8-12 s.n. San Mateo Slope below Summit, San Bruno Mountains Comment
  CAS-BOT-BC214046  Amsinckia Mrs. E. C. Sutliffe 1933-5-25 s.n. San Mateo Purissima Canyon Comment
  CAS-BOT-BC214048  Amsinckia Lewis S. Rose 1933-5-17 33174 A San Mateo Redwood City Comment
  JEPS26834  Amsinckia intermedia Rimo Bacigalupi with H. G. Baker and L. R. Heckard 1961-5-14 7697 San Mateo 3/4 mi below and se of Stone Dam Resevoir (in canyon of Pilarcitos Creek, w base of Cahill Ridge); Pilarcitos Creek 152 Comment
  JROH5694  Amsinckia intermedia John Rawlings 2015-3-23 1417 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 11 at footbridge 128 Comment
  UC1220416  Amsinckia lunaris Jerry Powell 1963-5-3 356 San Mateo s and se facing slopes San Bruno Mountain (north tank hill) Comment
  RSA0089730  Amsinckia lunaris W. R. Dudley 1894-4-27 s.n. San Mateo San Mateo Ravine. Santa Cruz Mountain Peninsula. Comment
  JROH1348  Amsinckia menziesii H. J. Dengler 1972-4-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; above east margin of Searsville Lake by trail Comment
  JROH1355  Amsinckia menziesii John Hunter Thomas 1992-4-23 25162 San Mateo Jasper Ridge Biological Preserve, Stanford University; near dam Comment
  UC24623  Amsinckia spectabilis Alice Eastwood April 1896 San Mateo Crystal Springs Comment
  JROH3372  Anagallis minima John H. Thomas 1968-4-19 14304 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC45182  Anaphalis margaritacea John Hunter Thomas 1967-5-2 12803 San Mateo San Bruno Mountain, about 1/4 mile up Market St from new school canyon. Comment
  UC648294  Angelica hendersonii Alice Eastwood, John Thomas Howell 1939-7-9 7441 San Mateo e of La Honda (Skyline Boulevard); Skyline Boulevard Comment
  JROH192  Angelica tomentosa John Hunter Thomas 1989-6-17 24776 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC89529  Anisocarpus madioides C. F. Baker 1902-5-10 800 San Mateo Kings Mountain Comment
  JROH499  Anthemis cotula John H. Thomas 1974-6-27 17453 San Mateo Jasper Ridge Biological Preserve, Stanford University; near the low flow crossing below Searsville Dam Comment
  JROH508  Anthemis cotula John Hunter Thomas 1982-7-2 21053 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing Comment
  CAS-BOT-BC102292  Anthemis cotula W. R. Dudley 1893-6-8 s.n. San Mateo Near Cedro Cottage, Stanford University Comment
  JROH5204  Anthoxanthum occidentale Volney Rattan 1867-3-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Redwoods, Searsville Comment
  RSA492536  Anthriscus caucalis Lyman Benson 1935-5-5 6521 San Mateo Lake Searsville 152 Comment
  UCR101615  Anthriscus caucalis George K. Helmkamp, E. A. Helmkamp 1998-5-16 3745 San Mateo Portola Valley, Golden Hills Rd along Los Trancos Creek 107 Comment
  RSA101012  Anthriscus caucalis G. Oberlander 1950-4-16 735 San Mateo Lower Crystal Springs Lake, San Francisco Watershed Reserve Comment
  JEPS5265  Antirrhinum kelloggii R. F. Hoover 1941-4-23 4905 San Mateo Redwood City hills Redwood City Comment
  UC555316  Aphanes occidentalis Herbert L. Mason 1927-4-23 3688 San Mateo Summit of road between La Honda and Pescadero Creek Comment
  CAS-BOT-BC454488  Aphanes occidentalis George Oberlander 1950-3-11 448 San Mateo Grassland, Sweeney Ridge, San Francisco Watershed Reserve Comment
  UC306538  Apiastrum angustifolium A. D. E. Elmer June, 1903 4461 San Mateo southern end of Crystal Springs Lake Crystal Springs Lake Comment
  CAS-BOT-BC451566  Aponogeton distachyos Peter Rubtzoff 1956-4-2 1767 San Mateo Skyline Blvd. near the junction of Chinese Cemetery Road. Comment
  CAS-BOT-BC405895  Aquilegia formosa Walter Knight; Irja Knight 1965-4-4 1009 San Mateo Bitter-cherry Ravine on north facing slope in chaparral. Comment
  CAS-BOT-BC405897  Aquilegia formosa Everett O'Bannon; Nancy O'Bannon 1956-4-15 s.n. San Mateo Sawyer's Road, near Crystal Springs Lake above Burlingame and Millbrae Comment
  SEINET12087099  Aquilegia formosa G. C. Kimber, Roush, L. 1918-1 s.n. San Mateo no further locality Comment
  POM176876  Aquilegia formosa var. truncata Josephine Randall 1908-4-12 s.n. San Mateo Kings Mt. Road Comment
  POM270621  Aquilegia formosa var. truncata H. L. Mason 1927-4-23 3674 San Mateo Summit of Road betw La Honda and Bloomquists mill Comment
  CAS-BOT-BC17323  Arabis blepharophylla Javier Penalosa 1963-2-23 2654 San Mateo San Bruno Mountains. Ravine south of Crocker Avenue. 213 Comment
  CAS-BOT-BC17328  Arabis blepharophylla A. D. E. Elmer 1903-4-1 4936 San Mateo Santa Cruz Peninsula. San Bruno Hills. Comment
  UC75343  Arabis blepharophylla C. F. Baker 1903-4-6 1881 San Mateo San Bruno Hills Comment
  RSA0125508  Arabis blepharophylla Lincoln Constance, R. Bacigalupi, C. R. Bell 1951-3-25 3369 San Mateo Southeast side of Colma Canyon 61 Comment
  SEINET10454399  Aralia californica Mary Susan Taylor 1978-8-30 Taylor 1853 San Mateo Comment
  HSC23993  Arbutus menziesii Mary Katherine Wicksten 1971-7-1 145 San Mateo Huddart Park. Dry slope by park office Comment
  JROH1917  Arbutus menziesii John H. Thomas 1967-4-20 12711 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET11989289  Arctostaphylos S. W. Edwards 1982-1 s.n. San Mateo Foothill Park Comment
  SBBG25382  Arctostaphylos andersonii R. Gankin 1959-3-22 324 San Mateo King's Mtn Rd, 1.2 mi E of jct with St Hwy 5, ca. 5 mi W of Woodside Comment
  UCD50280  Arctostaphylos andersonii Roman Gankin 1959-3-22 324 San Mateo Kings Mountain Road, 1.2 miles east of junction with State Highway 5, ca. 5 miles west of Woodside. Comment
  SEINET11988251  Arctostaphylos andersonii Unknown 1959-1 324 San Mateo 1.2 mi from junction of CA 5 on Kings Mt. Road Comment
  RSA303424  Arctostaphylos auriculata J. R. Shevock 1971-2-27 702 San Mateo 5 mi-Jct, Skyline Rd; So of Calif. Hwy 92. 457 Comment
  CAS-BOT-BC23546  Arctostaphylos crustacea L. S. Rose 1942-3-30 42007 San Mateo Rocky brushy hills, Kings Mountain Comment
  CAS-BOT-BC27247  Arctostaphylos crustacea Mr. A. Seale; Mrs. A. Seale 1922-4-2 s.n. San Mateo King's Mt. Comment
  OBI14756  Arctostaphylos crustacea Lewis S. Rose 1961-2-16 61002 San Mateo Hills W of Belmont 183 Comment
  SEINET11988253  Arctostaphylos crustacea Unknown 1959-1 321 San Mateo 3.5 mi from junction CA 5 on Kings Mt. Rd Comment
  JROH1928  Arctostaphylos crustacea subsp. crustacea Josephine D. Randall 1906-1-27 138 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1931  Arctostaphylos crustacea subsp. crustacea John H. Thomas 1970-7-5 15665 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1935  Arctostaphylos crustacea subsp. crustacea John H. Thomas 1975-1-18 17675 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville end of ridge Comment
  JROH1942  Arctostaphylos crustacea subsp. crustacea John Hunter Thomas 1983-7-20 22893 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SBBG34020  Arctostaphylos crustacea subsp. crustacea L. S. Rose 1969-3-27 69006 San Mateo King's Mtn Rd, 4 mi W of Woodside. 304 Comment
  RSA681637  Arctostaphylos densiflora Annuschka Deb 1989-1-27 5 San Mateo Woodside. Comment
  SJSU6083  Arctostaphylos glandulosa S. H. Casey 1969-5-18 259 San Mateo near summit of San Bruno Mt Comment
  RSA130907  Arctostaphylos hookeri subsp. hookeri E. K. Balls 1958-7-19 23563 San Mateo State Highway 5, 2 miles NW of junction with road from Big Basin State Park 671 Comment
  CAS-BOT-BC24490  Arctostaphylos imbricata William Knight; Irja Knight; Elizabeth McClintock 1963-9-2 s.n. San Mateo Power Line Ridge, San bruno Mtn. Comment
  CAS-BOT-BC24497  Arctostaphylos imbricata Peter H. Raven 1950-2-25 1383 San Mateo W. end of ridge behind NBC station, San Bruno Mtns. 457 Comment
  RSA70707  Arctostaphylos imbricata L. S. Rose 1951-3-13 51001 San Mateo San Bruno Hills. 304 Comment
  JEPS108597  Arctostaphylos montaraensis R. Raiche 1984-1-27 San Mateo Montara Mountain Comment
  UCD51754  Arctostaphylos montaraensis Roman Gankin 1966-5-17 740 B San Mateo On east-facing slopes of Montara Mountain. Comment
  CAS-BOT-BC27198  Arctostaphylos pacifica James B. Roof 1961-4-18 s.n. San Mateo NE face of San Bruno Mountain 335 Comment
  CAS-BOT-BC44707  Arctostaphylos regismontana Walter Knight; Irja Knight 1964-9-14 846 San Mateo On Peak Mt. 304 Comment
  CAS-BOT-BC44750  Arctostaphylos regismontana Eric Walther 1919-8-1 s.n. San Mateo Woodside Comment
  JEPS101966  Arctostaphylos regismontana Dean W. Taylor 1997-3-14 15912 San Mateo Kings Peak Road; Santa Cruz Mountains, Kings Mtn., on road to archery area under high-voltage, steel-tower eletrical transmission line 533 Comment
  POM131773  Arctostaphylos regismontana C. F. Baker 1902-1-15 271 San Mateo Kings Mountain. West side of King's Mountain. Comment
  POM367226  Arctostaphylos regismontana E. C. Sutliffe 1934-2-2 s.n. San Mateo Kings Mountain. Comment
  SBBG39533  Arctostaphylos regismontana L. S. Rose 1970-1-30 70001 San Mateo King's Mtn, Santa Cruz Mtns 609 Comment
  UC1120844  Arctostaphylos regismontana A. E. Wieslander 1936-8-21 659 San Mateo Kings Mountain Santa Cruz Quadrangle Comment
  CDA34054  Arctostaphylos sensitiva D. G. Kelch, David Gernandt, Steffi Ickert-Bond, Yingli Guo 2011-4-22 11 .155 San Mateo Santa Cruz Mountains; Along Route 9, ~5 km E of Big Basin Redwoods. Comment
  HSC24032  Arctostaphylos tomentosa subsp. crustacea Mary Katherine Wicksten 1971-6-17 29 San Mateo Huddart Park, Zwierlein Trail Comment
  UC1120137  Arctostaphylos tomentosa subsp. crustacea C. M. Belshaw 1935-1-25 1465 San Mateo 4.5 mi w Woodside; Santa Cruz Quadrangle Comment
  UC82933  Arctostaphylos tomentosa subsp. crustacea Katharine Brandegee April 1889 San Mateo Redwood City Comment
  RSA17966  Arctostaphylos tomentosa subsp. crustacea C. B. Wolf 1927-8-13 713 San Mateo Near summit La Honda Grade, Santa Cruz Mts. Comment
  SEINET11989286  Arctostaphylos tomentosa var. tomentosiformis W. Knight, Knight, I.; McClintock, E. 1982-1 4448 San Mateo San Pedro County Park, Pacifica Comment
  CAS-BOT-BC46825  Arctostaphylos uva-ursi Arthur L. Menzies 1963-3-10 s.n. San Mateo San Bruno Hills Comment
  CAS-BOT-BC46834  Arctostaphylos uva-ursi Walter Knight; Irja Knight 1981-3-1 4055 San Mateo fire road edge about 200 yards east of summit parking lot of San Bruno Mountain Comment
  RSA167605  Arctostaphylos uva-ursi R. F. Thorne, Percy C. Everett, K. Thorne 1963-6-9 32218 San Mateo On top of San Bruno Mt. near TV tower. 335 Comment
  SEINET11987327  Arctostaphylos uva-ursi var. coactilis J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4204 San Mateo Strybing Arboretum, Golden Gate Park, San Francisco, orig. from San Bruno Mt., ca 200 yds E of shack Comment
  CAS-BOT-BC27300  Arctostaphylos uva-ursi var. suborbiculata W. Knight; Irja Knight; Elizabeth McClintock 1981-7-3 4492 San Mateo Kamchatka Point, San Bruno Mountain Comment
  RSA0008939  Arctostaphylos viscida subsp. viscida Edward L. Greene 1902-3-18 10654 San Mateo King's Mountain. Comment
  CAS-BOT-BC47694  Armeria maritima subsp. californica David D. Keck 1934-7-7 2942 San Mateo Pigeon Point Comment
  CAS-BOT-BC82514  Arnica discoidea Josephine D. Randall 1907-6-29 50 San Mateo [King's] Kings Mt. Road Comment
  CDA29889  Arrhenatherum elatius J. Eide 2009-7-2 PDR# 1481186 San Mateo Santa Cruz Mountains; San Bruno Mountain, in the vicinity of San Bruno. 0 Comment
  UC1036426  Artemisia californica G. B. Rossbach 1955-7-26 616 San Mateo 3 mi s San Francisco City/County line (along Route 1); northern San Mateo County Comment
  SEINET11836170  Artemisia californica L. S. Rose 1936-1 36716 San Mateo Granada 30 Comment
  JEPS20095  Artemisia douglasiana Peter H. Raven 1957-9-1 11296 San Mateo coastal bluffs 1.1 mi s Pigeon Point lighthouse Comment
  SEINET3145785  Artemisia heterophylla L. S. Rose 1938-8-18 38232 San Mateo San Mateo 30 Comment
  RSA417371  Artemisia pycnocephala Edith A. Purer 1933-7-27 5387 San Mateo 2 mi. S of Pigeon Pt. Comment
  RSA17886  Artemisia pycnocephala C. B. Wolf 1927-6-29 s.n. San Mateo Lake Lucerne' S. of Pescadero Comment
  JROH429  Asclepias fascicularis John H. Thomas 1973-6-10 16826 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM58697  Aster chilensis Edward L. Greene 1902-9-2 1550 San Mateo Crystal Springs Lake Comment
  RSA417641  Aster chilensis D. D. Keck 1931-10-5 1282 San Mateo 1 mile north of Salada Beach 91 Comment
  JROH1984  Astragalus gambelianus A. C. Kimber & Lucile Roush 1918-4-25 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1997  Astragalus gambelianus John Hunter Thomas 1992-4-29 25170 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC903410  Astragalus gambelianus Lois E. James 1947-4-11 1757 San Mateo hills back of Redwood City back of Redwood City Comment
  SD87780  Astragalus menziesii Frank W. Peirson 1925-9-13 6424 San Mateo Rockaway Beach, in detritus at the foot of cliffs at sea level Comment
  POM16234  Astragalus nuttallii C. F. Baker 1902-10-1 1736 San Mateo Pillar Point. Comment
  UC1128883  Astragalus nuttallii var. nuttallii G. E. Sindel 1935-7-26 300 San Mateo 2 1/2 mi nnw Pescadero; Santa Cruz Quad., nnw of Pescadero Comment
  CAS-BOT-BC177975  Astragalus nuttallii var. virgatus R. S. Ferris 1921-5-29 2185 San Mateo Pescadero, Pebble Beach Comment
  CAS-BOT-BC177970  Astragalus nuttallii var. virgatus A. A. Heller 1906-6-8 8385 San Mateo Near Ocean View, San Francisco, on the Lake Merced side of the Ocean Shore tracks in soil. Comment
  CAS-BOT-BC177973  Astragalus nuttallii var. virgatus C. F. Leitholdt 1894-7-29 s.n. San Mateo Pescadero Hills - Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC193090  Astragalus pycnostachyus var. pycnostachyus C. F. B. 1902-10-1 1744 San Mateo Pillar Point Comment
  CAS-BOT-BC193093  Astragalus pycnostachyus var. pycnostachyus Alice Eastwood; John Thomas Howell 1938-6-26 6057 San Mateo Near Pescadero Comment
  CAS-BOT-BC193095  Astragalus pycnostachyus var. pycnostachyus C. F. Leitholt 1894-7-1 s.n. San Mateo Pescadero Comment
  UCD164088  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1977-11-24 9144 San Mateo San Bruno Mountains.'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  POM143746  Athysanus pusillus C. F. Baker 1902-4-6 456 San Mateo Crystal Springs Lake. Comment
  SD40192  Atriplex leucophylla Edith A. Purer 1932-7-18 4013 San Mateo Half Moon Bay. Comment
  SEINET4136305  Atriplex prostrata Howard C. Stutz 1995-10-3 9833 San Mateo Half Moon Bay.; 0 Comment
  POM177454  Atriplex subspicata L. R. Abrams, I. Wiggins 1930-11-13 175 San Mateo Skyline Blvd. 1 mile SW of Colma. Comment
  CDA1739  Avena barbata T. C. Fuller 1971-6-1 19879 San Mateo 1.6 km. east of San Gregorio. 0 Comment
  JEPS128391  Avena barbata Adam C. Schneider 2013-5-17 147 San Mateo Crystal Springs Reservoir. Comment
  CDA1749  Avena fatua T. C. Fuller 1971-6-1 19880 San Mateo 1 mile east of San Gregorio. 0 Comment
  UC1192362  Azolla filiculoides Malcolm A. Nobs and S. Galen Smith 1949-8-26 1593 San Mateo marshes at mouth of Pescadero Creek Comment
  UC893646  Baccharis glutinosa Lewis S. Rose 1941-10-31 41172 San Mateo Searsville Lake 91 Comment
  POM213037  Baccharis pilularis C. B. Wolf 1934-11-9 6240 San Mateo 200 yards south of Pigeon Point Lighthouse 15 Comment
  SD30702  Baccharis pilularis Edith A. Purer 1932-7-18 4022 San Mateo Near Pigeon Point Comment
  UCSC007721  Baccharis pilularis Becky Hendricks, Chris Lay 2012-6-22 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC16620  Barbarea orthoceras Fred Hemphill 1973-4-8 621 San Mateo San Carlos. Area north of Malabar Road and Melendy Drive. 207 Comment
  CAS-BOT-BC16627  Barbarea orthoceras Fred Hemphill 1973-4-22 736 San Mateo San Carlos. Area north of Malabar Road and Melendy Drive. 207 Comment
  CAS-BOT-BC16631  Barbarea orthoceras Elizabeth McClintock 1965-3-28 s.n. San Mateo San Bruno Mountain. Between April Brook and Radio Road. Comment
  CAS-BOT-BC16632  Barbarea orthoceras Catherine A. Toschi 1963-3-17 63 :63 San Mateo East slope San Bruno Mountains below radio station. 213 Comment
  UCD165020  Barbarea orthoceras Peter Rubtzoff 1975-5-21 7961 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  SD99578  Barbarea orthoceras Darley F. Howe 1968-4-14 San Mateo San Francisco Game Reserve near San Bruno. Comment
  JROH3923  Bellardia trixago John Hunter Thomas 1985-5-2 23582 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC75875  Berberis pinnata A. D. E. Elmer 1903-4-1 4820 San Mateo San Bruno Hills. Comment
  CAS-BOT-BC75880  Berberis pinnata George Oberlander 1949-4-17 70 San Mateo San Francisco Watershed Reserve. Near Pilarcitos Lake. Comment
  RSA435933  Berberis pinnata Paul C. Silva 1948-1-31 2623 San Mateo Old La Honda Grade, 1 mile south of Skyline Blvd. 457 Comment
  JROH1322  Berberis pinnata subsp. pinnata John Rawlings 2007-4-1 0909 San Mateo Jasper Ridge Biological Preserve, Stanford University. Intersection Trail 1 and Trail 5. 84 Comment
  RSA465627  Boisduvalia densiflora var. densiflora L. S. Rose 1942-8-11 42228 San Mateo Hills east of Sharps Park 91 Comment
  CAS-BOT-BC31088  Bolboschoenus maritimus Ira L. Wiggins 1980-8-29 22258 San Mateo Bed and lower bank of San Francisquito Creek, ca 200 m upstream from Pope St Bridge Comment
  UCD140047  Bolboschoenus robustus Herbert L. Mason; Verne Grant 1946-8-28 13077 San Mateo mouth of Tolay Creek. Comment
Read comments
Aug 16 2015
  CAS-BOT-BC95342  Bowlesia incana Walter Knight; Irja Knight 1965-5-9 1099 San Mateo Devil's Arroyo, San Bruno Mountain 274 Comment
  CAS-BOT-BC145405  Brachypodium distachyon Glenn L. Clifton 1988-5-11 17090 San Mateo Santa Cruz Mountains. San Bruno Mountain, crest of northeast ridge of Guadalupe Hills (separating Guadalupe Valley from Vistacion Valley). Right of way of eastern most set of PG&E high voltage powerlines crossing the mountian. 128 Comment
  JROH4852  Brachypodium distachyon John Hunter Thomas 1986-6-7 24089 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5658  Brachypodium sylvaticum John Rawlings 2014-7-23 1267 San Mateo Jasper Ridge Biological Preserve, Stanford University; along downhill verge of Rd G between Rd C and the first small drainage crossing Rd G 108 Comment
  CAS-BOT-BC30268  Brassica nigra R. Bacigalupi 1946-7-6 2794 San Mateo Near junction of Belmont-Las Pulgas roads, close to Crystal Springs Lake. Comment
  UCD114736  Brassica nigra Rimo Bacigalupi; J. H. Thomas and L. R. Heckard 1961-5-23 7714 San Mateo Along Alpine Road near site of abandoned Alpine School. 487 Comment
  JROH1468  Brassica rapa John Hunter Thomas 1980-4-10 19866 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1470  Brassica rapa John Hunter Thomas 1989-5-23 24747 San Mateo Jasper Ridge Biological Preserve, Stanford University; near old bridge over two parts of lake Comment
  POM272668  Brassica rapa Lyman Benson 1939-7-1 9677 San Mateo Skyline Bouldevard; San Francisco City Limits. 30 Comment
  CAS-BOT-BC145494  Briza maxima Phillip C. Wheeler 1965-4-27 s.n. San Mateo San Bruno Mountain. Sierra Point. Comment
  JROH4890  Briza minor W. Lennihan 1989-4-6 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 9, halfway to top Comment
  SEINET4183120 Image available Briza minor A. A. Beetle 1941-4-20 1738 San Mateo Near San Carlos. Comment
  UC306623  Briza minor A. D. E. Elmer May, 1903 4912 San Mateo Crystal Springs Lake Comment
  UCR122969  Briza minor George K. Helmkamp, E. A. Helmkamp 2001-6-2 6791 San Mateo Central Coast, Purissima Creek Rd., 0.9 mi from Calif. Hwy 1(junction about 4 mi south of Half Moon Bay) 91 Comment
  CAS-BOT-BC482182  Brodiaea appendiculata J. C. Chamberlain 1922-1-1 s.n. San Mateo Fields near San Francisquito Creek back of Stanford University Comment
  SEINET3884835  Brodiaea coronaria var. macropoda Lewis S. Rose 1970-4-8 70024 San Mateo Black Mountain W. of San Mateo.; 0 122 Comment
  SEINET3884838  Brodiaea coronaria var. macropoda K. Harper 1984-4-25 84 -3 San Mateo Along crest of Jasper Ridge, Research Preserve, Stanford University.; 0 Comment
  JROH4582  Brodiaea elegans subsp. elegans John H. Thomas 1976-5-26 18157 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS109574  Brodiaea terrestris subsp. terrestris Dean W. Taylor 1994-5-10 14268 San Mateo Edgewood Park; ca. 300 meters SE of junction of Edgewood Road and Canada Road, ca. 200 m W of trail parallel to and on west side of Highway 280 137 Comment
  JROH4591  Brodiaea terrestris subsp. terrestris John Hunter Thomas 1981-4-23 20481 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC483174  Brodiaea terrestris subsp. terrestris R. E. Frenkel 1964-5-22 506 San Mateo On Whiting Ridge Fire Tr. Road, SFWD, 0.2 mile north-west of Spring Valley Ridge road 329 Comment
  CAS-BOT-BC483180  Brodiaea terrestris subsp. terrestris W. R. Dudley 1906-5-8 s.n. San Mateo By road south of Crystal Springs Lake, Santa Cruz Peninsula Comment
  CAS-BOT-BC483181  Brodiaea terrestris subsp. terrestris Le Roy Abrams 1902-5-4 2427 San Mateo Near Woodside Comment
  CAS-BOT-BC483183  Brodiaea terrestris subsp. terrestris Helen M. Edwards 1917-4-12 s.n. San Mateo Near Crystal Springs Lake Comment
  CAS-BOT-BC483185  Brodiaea terrestris subsp. terrestris Philip C. Wheeler 1965-5-25 s.n. San Mateo Brisbane Ridge, south of power lines, San Bruno Mountain Comment
  CAS-BOT-BC227633  Bromus carinatus Peter Rubtzoff 1977-4-16 8950 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. East Fork Colma Creek Canyon area. Comment
  CAS-BOT-BC148978  Bromus carinatus var. carinatus John Thomas Howell 1960-4-20 35210 A San Mateo In garden of Frances Payne Stickney, Hillcrest Road, San Mateo. Comment
  CAS-BOT-BC148979  Bromus carinatus var. carinatus J. H. Thomas 1954-4-3 3837 San Mateo Pilarcitos Creek Road, 3.5 miles northeast of Halfmoon Bay. 121 Comment
  CAS-BOT-BC148992  Bromus carinatus var. carinatus John H. Thomas 1961-5-14 9374 B San Mateo San Francisco Watershed Reserve. Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. 152 Comment
  JROH4899  Bromus carinatus var. carinatus W. Lennihan 1989-6-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. S.F. Creek Trail -- east side trail. Comment
  JROH4904  Bromus carinatus var. carinatus W. Lennihan 1990-4-4 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Going north on fire road from Goya, before serpentine, 40 yards to right up small hill, middle of oaks, 50 yds from turn by blue oaks. Comment
  CAS-BOT-BC148766  Bromus carinatus var. marginatus John H. Thomas 1963-5-20 10124 San Mateo Ano Nuevo Island, about one half mile off shore and 20 miles northwest of Santa Cruz. Comment
  CAS-BOT-BC148768  Bromus carinatus var. marginatus Catherine A. Toschi 1963-2-23 63 :29 San Mateo North slope San Bruno Mountains above Crocker Avenue. 152 Comment
  CAS-BOT-BC148769  Bromus carinatus var. marginatus Elizabeth McClintock; Paul Reeberg 1989-5-23 s.n. San Mateo San Bruno Mountains. In valley west of Guadlupe Hills. 76 Comment
  CAS-BOT-BC156173  Bromus catharticus John H. Thomas 1961-8-27 9697 San Mateo Colma. Near intersection of El Camino Real and F Street. 45 Comment
  UCD58325  Bromus catharticus John Thomas Howell 1956-5-23 31446 San Mateo El Camino Real at Atherton Ave. Menlo Park. Comment
  SD99496  Bromus diandrus Ira L. Wiggins 1975-4-17 22141 San Mateo Menlo Park; between San Francisquito Creek and Willow Road; NE side of Southern Pacific right-of-way Comment
  JROH4927  Bromus hordeaceus W. Lennihan 1990-3-27 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Behind Searsville lab. Comment
  JROH5614  Bromus hordeaceus John Rawlings 2014-4-11 1217 San Mateo Jasper Ridge Biological Preserve, Stanford University; in road G in hard-packed dirt, immediately north of its intersection with Rd. J. 105 Comment
  UCD164700  Bromus hordeaceus Peter Rubtzoff 1976-6-13 8634 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  UCD58965  Bromus madritensis Rimo Bacigalupi; L. Heckard 1961-5-14 7700 San Mateo Near southern end of Crystal Springs Lake. Along Canada Road. 95 Comment
  CDA34495  Bromus pseudolaevipes D. G. Kelch, David Gernandt, Steffi Ickert-Bond, Yingli Guo 2011-4-22 11 .174B San Mateo Swanton Rd just S of Ano Nuevo above Weddell Creek. Comment
  SEINET10523819  Bromus rigidus Delzie Demaree 1932-4-27 Demaree 9021 San Mateo Mud lakes, Los Francos Woods. Comment
  RSA320908  Bromus rubens Robert A. Norris 1984-3-21 4655 San Mateo Blue Blossom Hill, San Bruno Mts. 366 Comment
  SEINET12004682  Cakile edentula subsp. edentula E. H. Graham 1931-1 6940 San Mateo Ano Nuevo Pt., S of San Francisco Comment
  UC964761  Cakile maritima Herbert L. Mason 1944-3-17 San Mateo Moss Beach Comment
  CAS-BOT-BC36959  Cakile maritima var. maritima Elsie Zeile 1946-7-1 s.n. San Mateo Montara. Comment
  CAS-BOT-BC36960  Cakile maritima var. maritima W. R. Beutley 1957-5-11 81 San Mateo State Highway #1, 2 miles below Pescadero. 4 Comment
  CAS-BOT-BC185144  Calamagrostis nutkaensis H. L. Mason 1921-5-29 s.n. San Mateo Near Arroyo de Las Frijoles. Comment
  CAS-BOT-BC233998  Calandrinia breweri Fred Hemphill 1973-4-15 687 San Mateo North of Malabar Road and Melendy Drive, San Carlos 207 Comment
  CAS-BOT-BC438534  Calandrinia ciliata Catherine A. Toschi 1963-2-23 63 :36 San Mateo North slope San Bruno Mountains above Crocker Avenue 152 Comment
  JROH3320  Calandrinia ciliata Duncan M. Porter 1961-2-18 745 San Mateo Jasper Ridge Biological Preserve, Stanford University; Westridge end of ridge Comment
  UC1084413  Calandrinia ciliata G. Thomas Robbins 1937-4-11 105 San Mateo grassy meadow near Spring Valley Lakes (along road to Woodside) Comment
  CAS-BOT-BC167301  California macrophylla W. R. Dudley 1896-4-17 s.n. San Mateo Pescadero Comment
  RSA116749  Callitriche trochlearis W. R. Dudley 1904-4-23 s.n. San Mateo Santa Cruz Mtn Peninsula, crow foot pond on alpine road opposite the Fitzpatrick place. Comment
  RSA137260  Callitriche verna A. D. E. Elmer 1903-06 4279 San Mateo Lake San Andreas. Comment
  CAS-BOT-BC492214  Calochortus albus Fred Hemphill 1973-5-6 757 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  JROH4613  Calochortus albus John Hunter Thomas 1991-4-25 25004 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD655  Calochortus albus Ulysses S. Grant IV Jun 1925 San Mateo Near La Honda. Comment
  JROH4614  Calochortus argillosus James McMurphy 1909-6-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4632  Calochortus luteus D. E. Breedlove 1971-5-31 19357 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH4636  Calochortus luteus John H. Thomas 1976-5-26 18154 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM196564  Calochortus tolmiei W. R. Dudley 1895-6-6 s.n. San Mateo Pescadero Creek Comment
  CAS-BOT-BC496830  Calochortus tolmiei David D. Keck 1932-5-11 1496 San Mateo Above Woodside on La Honda road, east slope of Santa Cruz Mtn. Comment
  JROH573  Calycadenia multiglandulosa John Hunter Thomas 1987-5-5 24252 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET5781153 Image available Calycadenia multiglandulosa L. S. Rose 1941-6-12 41268 San Mateo W of Redwood City, Emerald Lake Comment
  SEINET7063126  Calycadenia multiglandulosa A. G. Vestal 1963-7-12 s.n. San Mateo Jasper Ridge. UTM Zone 10, 568418mE, 4140415mN. (WGS84/NAD83). 174 Comment
  UCR70789  Calycadenia multiglandulosa L. S. Rose 1934-5-23 34278 San Mateo Emerald Lake. 160 Comment
  POM351403  Calycadenia multiglandulosa subsp. cephalotes L. S. Rose 1937-9-21 37658 San Mateo Emerald Lake, west of Redwood City. 183 Comment
  CAS-BOT-BC436447  Calystegia occidentalis Elizabeth McClintock; Phillip C. Wheeler 1967-6-11 s.n. San Mateo San Bruno Mountain, slope to S of new Guadalupe Parkway just before it meets Radio Road Comment
  SJSU8768  Calystegia purpurata L. J. Hoffman 1966-4-6 130 San Mateo San Bruno Mt off Crocker Ave, Daly City Comment
  CAS-BOT-BC224654  Calystegia purpurata subsp. purpurata Josephine D. Randall 1907-7-24 105 San Mateo Santa Cruz Peninsula. Near Crystal Springs Lake Comment
  CAS-BOT-BC224662  Calystegia purpurata subsp. purpurata Fred Hemphill 1973-5-6 764 San Mateo San Carlos. North of Malabar Rd. and Melendy Dr. 207 Comment
  UC465972  Calystegia soldanella Katharine Brandegee 1913-8-11 San Mateo Tobin Comment
  CAS-BOT-BC436441  Calystegia subacaulis Lewis S. Rose 1956-5-28 56080 San Mateo Skyline Blvd west of San Mateo 182 Comment
  CAS-BOT-BC224345  Calystegia subacaulis subsp. subacaulis A. D. E. Elmer 1903-6-1 4826 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC224347  Calystegia subacaulis subsp. subacaulis A. A. Heller 1907-5-23 8557 San Mateo Back of San Mateo on the Half Moon Bay road Comment
  JROH1844  Calystegia subacaulis subsp. subacaulis John H. Thomas 1957-4-16 6652 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR143018  Camissonia cheiranthifolia subsp. cheiranthifolia Edith A. Purer 1933-7-27 5388 San Mateo Pacific Coast, two miles south of Pigeon Point 30 Comment
  RSA187227  Camissonia ovata John H. Thomas 1955-4-6 4839 San Mateo East facing slope of San Bruno Mountain just north of South San Francisco 30 Comment
  CAS-BOT-BC160322  Camissoniopsis cheiranthifolia subsp. cheiranthifolia L. R. Abrams 1909-8-2 4250 San Mateo Pebble Beach, Pescadero Comment
  RSA18502  Campanula prenanthoides C. B. Wolf 1927-7-14 618 San Mateo Summit of Kings Mountain Rd. Comment
  SEINET10463029  Campanula prenanthoides Ira L. Wiggins 1929-7-4 Wiggins 3779 San Mateo 4 MI W OF LA HONDA ON HILL RD TO PESCADERO BEACH, MOIST RAVINE Comment
  JROH1479  Capsella bursa-pastoris John Hunter Thomas 1987-5-19 24290 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low flow crossing Comment
  SBBG51277  Capsella bursa-pastoris J. Doty 1969-3-24 582 San Mateo N side of Embarcadero Rd, just W of W boundary of Byxbee Marshlands Wildlife Preserve, Menlo Park 1 Comment
  CAS-BOT-BC37674  Cardamine californica Elizabeth McClintock 1965-3-28 s.n. San Mateo San Bruno Mountains. From Trillium Gulch. Comment
  CAS-BOT-BC37682  Cardamine californica C. F. Baker 1902-4-12 501 San Mateo La Honda. Comment
  POM143341  Cardamine californica var. integrifolia A. D. E. Elmer 1903-04 4468 San Mateo Portola. Comment
  CAS-BOT-BC37985  Cardamine oligosperma John H. Thomas 1961-5-14 9372 San Mateo San Francisco Watershed Reserve. Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. 152 Comment
  CAS-BOT-BC166949  Cardamine oligosperma Peter Rubtzoff 1977-6-7 9027 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  JROH1502  Cardamine oligosperma John Hunter Thomas 1989-4-20 24641 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA788845  Cardamine oligosperma Peter Rubtzoff 1976-3-28 8451 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  UC120252  Cardionema ramosissimum T. S. Brandegee Sept. 1901 San Mateo South San Francisco Comment
  JROH583  Carduus tenuiflorus Suzanne Biossat 1943-5-7 75 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC23961  Carduus tenuiflorus Mary Katherine Wicksten 1971-7-15 27 San Mateo Huddart Park Comment
  RSA18451  Carex Carl B. Wolf 1927-6-29 556 San Mateo South of Pebble Beach near Pescadero Comment
  RSA101006  Carex amplifolia G. Oberlander 1950-5-21 958 San Mateo Pilarcitos Canyon, San Francisco Watershed Reserve Comment
  CAS-BOT-BC19328  Carex barbarae J. H. Thomas 1958-8-1 7371 San Mateo Sand dunes about 0.5 mile north of mouth of Pescadero Creek. 0 Comment
  JROH4312  Carex barbarae John H. Thomas 1974-5-3 17240 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC19323  Carex barbarae Alice Eastwood; John Thomas Howell; J. W. Stacey 1938-4-24 5247 San Mateo Lobitos. Comment
  POM224071  Carex bolanderi L. S. Rose 1935-6-11 35216 San Mateo Kings Mountain. Comment
  SEINET7364526 Image available Carex bolanderi L. S. Rose 1933-6-23 33253 San Mateo Kings Mountain Comment
  CAS-BOT-BC18926  Carex densa W. R. Dudley 1894-5-1 s.n. San Mateo Santa Cruz Mountain Peninsula. Woodside to Crystal Springs. Comment
  JROH4333  Carex densa Toni Corelli 2005-4-20 285 San Mateo Jasper Ridge Biological Preserve, Stanford University; south of Road F 184 Comment
  JROH4334  Carex densa John Rawlings, Carol Zabel 2005-6-13 0902 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Trail 1 (creek side) before entering wooded area and Santa Barbara sedge area walking downstream. 87 Comment
  CAS-BOT-BC18939  Carex densa W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. Field north of Seal Cove. Comment
  JROH4347  Carex harfordii John Hunter Thomas 1986-4-24 23980 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along west side of Searsville Lake between boat ramp and "old beach." Comment
  SJSU15225  Carex harfordii Toni Corelli 2012-6-28 801 San Mateo Pescadero State Beach, North Pond 3 Comment
  RSA788835  Carex harfordii Peter Rubtzoff, Barbara Deutsch, James Roof 1980-5-3 9437 San Mateo The Edward P. Lee Memorial Site, at the bottom of canyon, below the Nine Fern Rock. Comment
  UCD163544  Carex harfordii Peter Rubtzoff; Barbara Deutsch, James Roof 1980-5-3 9437 San Mateo The Edward P. Lee Memorial Site, at the bottom of canyon, below the Nine Fern Rock. Comment
  SEINET8345404  Carex hirta LeRoy E. Detling 1934-3-7 1008 San Mateo none. Comment
  SEINET3904235  Carex montereyensis John A. Churchill 1974-4-14 7441413 San Mateo Half Moon Bay.; 0 Comment
  CAS-BOT-BC119445  Carex nudata D. D. Davis 1903-4-1 s.n. San Mateo San Francisquito Creek. Comment
  CAS-BOT-BC119443  Carex nudata Charles Piper Smith 1908-4-13 1399 San Mateo Stanford Univ. San Francisquito Creek. Comment
  SEINET3100624  Carex serratodens Neal Kramer 2012-3-3 2031 a San Mateo Stulsart Park, Redwood City Comment
  RSA127081  Carex subbracteata John H. Thomas 1959-4-4 7657 San Mateo About 0.7 miles S. of Gazos Creek. About 6.5 miles southward from Pescadero. 46 Comment
  UC836142  Carex subbracteata Alice Eastwood, John Thomas Howell 1937-5-7 4326 San Mateo Visitacion Valley Comment
  CAS-BOT-BC210004  Carex subbracteata Peter Rubtzoff 1976-6-30 8707 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction, westernmost part of the area. Comment
  RSA788836  Carex subbracteata Peter Rubtzoff 1978-3-18 9172 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  RSA88836  Carex subbracteata J. T. Howell 1938-5-1 13783 San Mateo Near South San Francisco. Comment
  SEINET10750022  Carex subbracteata Alice Eastwood, John Thomas Howell; J. W. Stacey 1938-4-24 Eastwood 5245 San Mateo Half Moon Bay. Comment
  UCD164096  Carex subbracteata Peter Rubtzoff 1978-5-18 9171 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  CAS-BOT-BC176395  Carex tumulicola Peter Rubtzoff 1975-5-21 7974 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  JROH4367  Carex tumulicola John Hunter Thomas 1981-4-27 20502 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD140941  Carex tumulicola S. S. Tillett; I. Sternback 1956-6-25 543 San Mateo On Middleton property s. of road to Portola State Park, just before entrance. 396 Comment
  CAS-BOT-BC229012  Carex tumulicola Elizabeth McClintock; Paul Reeberg 1988-8-19 s.n. San Mateo San Bruno Mountains. Near intersection of Old Ranch Road and Eucalyptus Loop Trails 205 Comment
  JROH4371  Carex tumulicola W. Lennihan 1989-5-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 12 (Mapache), left side of trail in dense section before coming out to meadow. Comment
  UC295990  Carpobrotus chilensis H. M. Hall 1926-4-29 12235 San Mateo s of San Francisco (Salida Beach); San Francisco Bay Region, Salida Beach Comment
Read comments
Apr 7 2009
  JEPS88831  Castilleja T. I. and F. M. Chuang 1991-7-1 7850 San Mateo 0.8 mi n San Gregorio Beach Comment
  JROH5852  Castilleja John H. Thomas 1978-4-20 19090 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM283543  Castilleja affinis Lyman Benson 1930-4-6 2039 San Mateo Moss Beach. 15 Comment
  RSA187415  Castilleja affinis John H. Thomas 1950-3-19 1305 San Mateo Near intersection of Coast Hwy and road to Swanton, 1 mile SE of mouth of Waddell Creek. 30 Comment
  RSA15303  Castilleja affinis Carl B. Wolf 1927-4-3 273 San Mateo 1 mile above La Honda. Santa Cruz Mountains. Comment
  SD38150  Castilleja affinis Delzie Demaree 1932-4-9 8976 San Mateo Woods, Gov. Ralph Estate Comment
  JEPS15589  Castilleja affinis subsp. affinis Rimo Bacigalupi with J. R. Sweeney 1954-8-3 4733 San Mateo above Thornton Beach (extreme nw San Mateo County) 54 Comment
  JEPS17620  Castilleja affinis subsp. affinis Rimo Bacigalupi with G. Thomas Robbins 1955-8-4 5443 San Mateo just opposite Thornton Beach (e of State Highway 1) Comment
  JEPS60420  Castilleja affinis subsp. affinis T. I. Chuang and F. M. Chuang 1969-6-21 6661 San Mateo about 2 mi s Half Moon Bay road junction with Skyline Boulevard Comment
  JEPS6925  Castilleja affinis subsp. affinis Rimo Bacigalupi with G. Thomas Robbins 1954-6-18 4552 San Mateo 0.25 mi below Portola State Park road junction with the Alpine Road (along road to Portola State Park) Comment
  JEPS88802  Castilleja affinis subsp. affinis T. I. and F. M. Chuang 1991-7-3 7861 San Mateo 1 mi s Linda Mar (on Highway 1) Comment
  JROH3940  Castilleja affinis subsp. affinis John H. Thomas 1961-4-29 9187 B San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3949  Castilleja affinis subsp. affinis John Hunter Thomas 1983-4-14 21401 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU15408  Castilleja affinis subsp. affinis Toni Corelli 2010-5-13 609 San Mateo Pedro Point Headlands, Pacifica CA; along Arroyo Trail 110 Comment
  UC1036425  Castilleja affinis subsp. affinis G. B. Rossbach 1955-7-26 617 San Mateo near San Francisco County line (Route 1) Comment
  JEPS88800  Castilleja affinis subsp. affinis T. I. and F. M. Chuang 1991-7-3 7860 San Mateo 1.8 mi sw Interstate 280 junction with Route 92 (on Route 92) Comment
  JEPS11933  Castilleja ambigua subsp. ambigua F. W. Pennell and D. D. Keck 1940-5-15 25427 San Mateo Burlingame, Route 101 Burlingame 0 Comment
  JEPS7866  Castilleja ambigua subsp. ambigua Rimo Bacigalupi with G. Thomas Robbins 1954-6-18 4556 San Mateo 3.3 mi s Pescadero; Arroyo de los Frijoles Comment
  SJSU15806  Castilleja ambigua subsp. ambigua Toni Corelli 2015-5-3 1194 San Mateo Northern edge of Fitzgerald Marine Reserve, and private property adjacent in Moss Beach also know as Vallemar Bluff 14 Comment
  JROH3957  Castilleja attenuata John H. Thomas 1974-4-13 17155 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3960  Castilleja attenuata John H. Thomas 1974-4-25 17193 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET13772767  Castilleja exserta A. A. Heller 1906-1 8381 San Mateo Near Ocean View, San Francisco. Comment
  OBI9362  Castilleja rubicundula Lewis S. Rose 1966-5-2 66034 San Mateo Emerald Lake, W of Redwood City 91 Comment
  JROH3988  Castilleja rubicundula subsp. lithospermoides D. D. Davis 1903-4-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Ridge Comment
  SJSU661  Castilleja rubicundula subsp. lithospermoides A. W. Jacobs 1941-4-20 San Mateo Jasper Ridge above Searsville L Comment
  UC886506  Castilleja rubicundula subsp. lithospermoides Alice Eastwood 1912-6-10 321 San Mateo Crystal Springs Comment
  JEPS103884  Castilleja subinclusa T. I. Chuang and F. M. Chuang 1991-7-1 7850 San Mateo 0.8 miles N of San Gregorio Beach. Comment
  JEPS19720  Castilleja wightii Peter H. Raven 1957-6-24 10964 San Mateo just s Linda Mar Comment
  JEPS47426  Castilleja wightii L. R. Heckard 1964-7-26 1424 San Mateo below old road from Skyline Blvd to Edgemar Comment
  JEPS60422  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-21 6662 b San Mateo about 2 mi s Half Moon Bay road junction and Skyline Boulevard Comment
  JEPS6921  Castilleja wightii Rimo Bacigalupi with G. Thomas Robbins 1954-6-18 4553 San Mateo 0.25 mi w (and below) Alpine Road junction with road to Portola State Park (along Alpine Road) 426 Comment
  JEPS88823  Castilleja wightii T. I. and F. M. Chuang 1991-7-1 7846 San Mateo 1.1 mi n Montana Comment
  JEPS88829  Castilleja wightii T. I. and F. M. Chuang 1991-7-1 7847 San Mateo ca 7 mi s Halfmoon Bay Comment
  POM199579  Castilleja wightii Katherine Brandegee 1917-7-22 s.n. San Mateo Mussel Rock Station, Ocean Shore RR Comment
  POM248731  Castilleja wightii J. T. Howell 1938-5-1 13767 San Mateo Colma Canyon. Comment
  RSA89758  Castilleja wightii P. A. Munz 1954-8-4 19914 San Mateo 5 miles s. of Rockaway Beach. Comment
  SBBG100089  Castilleja wightii R. Bacigalupi 1954-6-18 4553 San Mateo Alpine Rd, 0.25 mi below and W of its jct with rd to Portola State Park 426 Comment
  CAS-BOT-BC39387  Caulanthus lasiophyllus H. A. Dutton 1900-2-1 s.n. San Mateo Santa Cruz Peninsula. Comment
  JROH1525  Caulanthus lasiophyllus John H. Thomas 1968-5-22 14456 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC47936  Ceanothus Le Roy Abrams 1902-5-20 2476 San Mateo Kings Mountain Comment
  CAS-BOT-BC48306  Ceanothus cuneatus A. D. E. Elmer 1903-3-1 4578 San Mateo Portola Comment
  RSA15267  Ceanothus cuneatus Carl B. Wolf 1927-3-2 231 San Mateo Above Searsville Lake Comment
  CAS-BOT-BC48392  Ceanothus cuneatus var. cuneatus Roxana S. Ferris 1936-7-2 9308 San Mateo Skyline Blvd. south of junction of Alpine Creek Road Comment
  CAS-BOT-BC51593  Ceanothus oliganthus var. sorediatus A. D. E. Elmer 1903-5-1 4479 San Mateo Portola Comment
  CAS-BOT-BC51598  Ceanothus oliganthus var. sorediatus W. R. Dudley 1899-5-14 s.n. San Mateo Baden Brook Hills Comment
  CAS-BOT-BC51599  Ceanothus oliganthus var. sorediatus W. R. Dudley 1894-12-13 s.n. San Mateo Above Prestou's, La Honda road Comment
  CAS-BOT-BC51600  Ceanothus oliganthus var. sorediatus W. R. Dudley 1893-4-1 s.n. San Mateo Foothills - McDuough Place near portola Comment
  CAS-BOT-BC51607  Ceanothus oliganthus var. sorediatus Margaret A. Barry 1937-5-8 82 San Mateo Woods on Coal Mine Ridge Comment
  JROH3533  Ceanothus oliganthus var. sorediatus John Hunter Thomas 1981-5-25 20617 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA282989  Ceanothus oliganthus var. sorediatus Lyman Benson 1928-11-25 787 San Mateo Searville Lake, Stanford University, Santa Cruz Mt. 122 Comment
Read comments
Jul 13 2009
  SBBG26911  Ceanothus oliganthus var. sorediatus C. B. Wolf 1941-7-31 4394 San Mateo 1 mi E of summit of La Honda Grade, Santa Cruz Mtns 396 Comment
  CAS-BOT-BC51241  Ceanothus papillosus J. I. McMurphy 1906-5-20 13 San Mateo Santa Cruz Peninsula - King's Mt. Santa Cruz Mts. 457 Comment
  CAS-BOT-BC51850  Ceanothus papillosus Charles Piper Smith 1905-4-26 868 San Mateo Woodside. Cahil Ridge. King's Mt. Road 365 Comment
  UC79825  Ceanothus papillosus var. papillosus C. F. Baker 1902-5-10 803 San Mateo Kings Mountain Comment
  CAS-BOT-BC52297  Ceanothus thyrsiflorus R. Bacigalupi 1922-3-1 s.n. San Mateo lagoon Arroyo de los Frijoles Comment
  HSC18329  Ceanothus thyrsiflorus L. S. Rose 1963-4-27 63004 San Mateo La Honda 122 Comment
  RSA153472  Ceanothus thyrsiflorus John H. Thomas 1961-5-7 9295 San Mateo San Bruno Mountain in northern part of county. 305 Comment
  UCD18549  Ceanothus thyrsiflorus Roman Gankin 1950-7-9 21 San Mateo 1 mile west of city of Pescadero toward State Hwy 1. Along the roadside, swamp nearby, near ocean. 15 Comment
  SD37640  Ceanothus thyrsiflorus var. griseus Edith A. Purer 1933-5-5 3601 San Mateo Alpine Road Comment
  JEPS21637  Centaurea calcitrapa John H. Thomas 1955-4-6 4831 San Mateo e facing slope of San Bruno Mountain, just n of South San Francisco San Bruno Mountain, South San Francisco 30 Comment
  JROH591  Centaurea calcitrapa John Hunter Thomas 1977-6-16 18768 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH599  Centaurea melitensis John H. Thomas 1963-6-23 10170 San Mateo Jasper Ridge Biological Preserve, Stanford University; Westridge end of ridge Comment
  CAS-BOT-BC277121  Centaurea melitensis Margaret A. Barry 1937-6-22 167 San Mateo Exposed top of Coal Mine Ridge Comment
  CAS-BOT-BC277123  Centaurea melitensis A. D. E. Elmer 1903-6-1 4281 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC277125  Centaurea melitensis Walter Knight; Irja Knight 1964-5-30 606 San Mateo San Bruno Mountain. Along north side of freeway - Colma Canyon. About across from Indian Head Rock Comment
  CAS-BOT-BC277127  Centaurea melitensis John H. Thomas 1963-5-20 10107 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  RSA407369  Centaurea solstitialis Lyman Benson 1932-7-25 3954 San Mateo Menlo Park. 30 Comment
  SEINET7097921  Centaurium davyi A. G. Vestal 1937-6-15 s.n. San Mateo Lat. 37 14' 13ao N, Long. 122 24' 55ao W (NAD27 converted to WGS84 decimal degrees). Pebble Beach west of Pescadero. UTM Zone 10, 551863 mE, 4121109 mN. Comment
  UC625427  Centaurium davyi L. R. Abrams and I. L. Wiggins 1939-6-3 423 San Mateo Ano Nuevo Point Comment
  LA27070  Centromadia pungens Lewis S. Rose; 1941-10-10 41463 San Mateo along the Bayshore Boulevard, San Mateo 3.0 Comment
  CAS-BOT-BC384962  Cerastium arvense A. A. Heller 1907-4-20 8446 San Mateo Near Lake Merced Comment
  CAS-BOT-BC388394  Cerastium glomeratum Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mountain. South Power Line Ridge Comment
  CAS-BOT-BC166933  Cerastium holosteoides Peter Rubtzoff 1977-11-24 9141 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  JROH3628  Cercocarpus betuloides var. betuloides John Hunter Thomas 1987-5-19 24297 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3631  Cercocarpus betuloides var. betuloides John Hunter Thomas 1989-5-30 24754 San Mateo Jasper Ridge Biological Preserve, Stanford University. Knoll to the west of the dam Comment
  SEINET6901192  Chenopodium album Robert A. Evers, Clara V. Evers 1975-8-24 115025 -A San Mateo Trailer Villa, Redwood City. Comment
  CAS-BOT-BC473026  Chenopodium rubrum var. humile W. R. Dudley 1906-10-12 14 San Mateo Santa Cruz Mountain Peninsula. Pond [14 - either cln no or pond no.] Comment
  CAS-BOT-BC389739  Chlorogalum pomeridianum J. Lovelle 1973-7-15 10 San Mateo Donald Pk. Comment
  CAS-BOT-BC497732  Chlorogalum pomeridianum Josephine D. Randall 1907-6-29 227 San Mateo King's mt. Road Comment
  JROH4645  Chlorogalum pomeridianum var. pomeridianum D. E. Breedlove 1971-5-31 19390 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  CAS-BOT-BC246318  Chloropyron maritimum subsp. palustre L. R. Abrams 1914-7-16 5124 San Mateo Cooley's Landing on San Francisco Bay Comment
  SEINET4182874  Chorizanthe cuspidata A. A. Heller 1906-6-8 8383 San Mateo Near Ocean View, San Francisco Comment
  CAS-BOT-BC191593  Chorizanthe cuspidata var. cuspidata A. D. E. Elmer 1903-5-1 4793 San Mateo San Pedro Comment
  UC306660  Chorizanthe cuspidata var. cuspidata A. D. E. Elmer May 1903 4828 San Mateo San Pedro; ; San Pedro, San Mateo Co. Comment
  CAS-BOT-BC191595  Chorizanthe cuspidata var. cuspidata D. E. Breedlove 1963-5-24 4975 San Mateo coastal bluff at Thornton Beach State Park, Daly City Comment
  JROH3223  Chorizanthe diffusa W. R. Dudley 1910-5-29 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC36403  Chrysolepis chrysophylla var. minor Oliver W. Norvell 1931-2-22 1320 San Mateo Kings Mt. Road Comment
  JEPS78658  Chrysolepis chrysophylla var. minor Edward Lee 1936-1-26 1742 San Mateo between Purisima Creek and Tunitas Creek (near summit) 609 Comment
  CAS-BOT-BC36408  Chrysolepis chrysophylla var. minor C. B. Wolf 1931-8-21 2335 San Mateo Upper Sonoran. 1/2 way up the east side of Kings Mt. 365 Comment
  SD38231  Chrysolepis sempervirens Edith A. Purer 1932-7-18 4001 San Mateo King Mountain Comment
  JROH2582  Cicendia quadrangularis John H. Thomas 1961-4-29 9182 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC384618  Cirsium J. Lovelle 1973-7-21 280 San Mateo Mt. Ellen Trail Comment
  CAS-BOT-BC277896  Cirsium brevistylum L. R. Abrams; I. L. Wiggins 1939-6-3 427 San Mateo Ano Nuevo Point Comment
  CAS-BOT-BC277888  Cirsium brevistylum Phillip C. Wheeler 1965-5-11 s.n. San Mateo San Bruno Mountain. Southwest ravine below NBC Towers Comment
  CAS-BOT-BC277889  Cirsium brevistylum R. E. Frenkel 1964-8-21 756 San Mateo On Spring Valley Ridge Road at its junction with Whiting Ridge Road, SFWD 347 Comment
  UC1416530  Cirsium fontinale var. fontinale George E. Pilz 1971-5-9 616 San Mateo e side of Crystal Springs Reservoir, Interstate 280 has cut through the colony Crystal Springs Reservoir 121 Comment
  UC1416532  Cirsium fontinale var. fontinale George E. Pilz 1972-5-22 789 San Mateo e side of Crystal Springs Reservoir, Interstate 280 cuts through colony Crystal Springs Reservoir 121 Comment
  RSA18266  Cirsium occidentale var. venustum C. B. Wolf 1927-6-27 457 San Mateo Los Troncos Creek, 2 mi back of Stanford University. Comment
  CAS-BOT-BC280510  Cirsium quercetorum Alice Eastwood 1912-6-10 342 San Mateo Crystal Springs Comment
  CAS-BOT-BC280511  Cirsium quercetorum J. H. Thomas 1958-6-11 7227 San Mateo About 4.3 miles due east of Belmont near Crystal Springs Reservoir 91 Comment
  CAS-BOT-BC280520  Cirsium quercetorum A. D. E. Elmer 1903-6-1 4290 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC280523  Cirsium quercetorum A. D. E. Elmer 1903-6-1 4290 San Mateo Crystal Springs Lake Comment
  CDA1534  Cirsium quercetorum T. C. Fuller 1971-6-1 19882 San Mateo Crystal Springs Reservoir E shore, 0.3 mi. SE of center causeway; Belmont. Comment
  UC306688  Cirsium quercetorum A. D. E. Elmer 1903-6-1 4290 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC280517  Cirsium quercetorum John Thomas Howell 1939-6-16 14740 San Mateo Near San Andreas Lake Comment
  CAS-BOT-BC280525  Cirsium quercetorum V. F. Hesse 1964-5-26 3198 San Mateo Whitehouse Creek road 60 Comment
  CAS-BOT-BC280527  Cirsium quercetorum Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain. Top of Quarry 4 Comment
  RSA0070860  Cirsium quercetorum A. D. E. Elmer 1903-06 4290 San Mateo Crystal Springs Lake. Comment
  JROH639  Cirsium vulgare John H. Thomas 1974-8-3 17499 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH641  Cirsium vulgare John Hunter Thomas 1983-7-7 22813 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing Comment
  HSC24013  Cirsium vulgare Mary Katherine Wicksten 1971-6-30 142 San Mateo Huddart Park, by horse ring Comment
  UCD130823  Cirsium vulgare Otto T. Solbrig 1958-8-3 2920 San Mateo near road on Highway 5, Crystal Spring Lake. 30 Comment
  RSA791714  Clarkia Robert F. Thorne, P. Everett 1965-8-1 35076 San Mateo 21.5 miles S of Golden Gate Bridge. 69 Comment
  UC1536828  Clarkia amoena Gordon H. True Jr. 1936-6-14 509 San Mateo Skyline-Salada Beach Road 365 Comment
  HSC59099  Clarkia cylindrica Clark L. Miller 1978-6-15 265 San Mateo 6 mi. S of Half Moon Bay, off Hwy. 1, on Verde Rd. 61 Comment
  RSA296779  Clarkia cylindrica subsp. cylindrica Clark L. Miller 1978-6-15 Feb- 65 San Mateo 6 miles south of Half Moon Bay, off Highway 1 of Verde Road 61 Comment
  CAS-BOT-BC163377  Clarkia purpurea subsp. purpurea W. Knight; I. Knight 1965-6-20 1251 San Mateo Crystal Cave Canyon Comment
  CAS-BOT-BC163965  Clarkia purpurea subsp. quadrivulnera John H. Thomas 1958-5-13 7168 San Mateo About 3 miles SW of San Mateo along Skyline Blvd, 0.3 mi. S of its intersection with Black Mt. Rd. 304 Comment
  CAS-BOT-BC163967  Clarkia purpurea subsp. quadrivulnera W. R. Dudley 1894-7-30 s.n. San Mateo Near La Honda Comment
  CAS-BOT-BC163963  Clarkia purpurea subsp. quadrivulnera W. R. Dudley 1903-6-6 s.n. San Mateo Alpine Road, Black Mt., Santa Cruz Range Comment
  SEINET4145649  Clarkia purpurea subsp. quadrivulnera A. A. Heller 1906-6-8 8384 San Mateo Near Ocean View, San Francisco Comment
  CAS-BOT-BC165152  Clarkia rubicunda Daniel Cohen 1953-6-3 106 San Mateo Los Trancos Woods Comment
  CAS-BOT-BC165164  Clarkia rubicunda Peter H. Raven 1957-6-30 11014 San Mateo 1.8 miles east of Pescadero on road along Pescadero Creek Comment
  JEPS127875  Clarkia rubicunda Adam C. Schneider with C. Matt Guilliams 2013-5-17 186 San Mateo Crystal Springs Reservoir. Under large transmission tower. Comment
  JROH3027  Clarkia rubicunda John Hunter Thomas 1982-7-2 21048 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM271814  Clarkia rubicunda Lyman Benson 1930-5-12 2122 San Mateo Stanford University, Lake Searsville 152 Comment
  SBBG5002  Clarkia rubicunda H. and M. Dearing 1951-8-17 6945 San Mateo Pigeon Point, N of Santa Cruz Comment
  CAS-BOT-BC165127  Clarkia rubicunda L. R. Abrams 1907-8-25 s.n. San Mateo Between Pescadero and Half Moon Bay Comment
  SD56674  Clarkia rubicunda Darley F. Howe 1963-7-31 3648 San Mateo 3 miles North of Pacifica on #1, on sea bluff. Comment
  UC1279948  Clarkia rubicunda Peter H. Raven 1957-7-4 11046 San Mateo 6.1 mi from San Gregorio (on road to La Honda); San Gregorio Creek Comment
  UC1561235  Clarkia rubicunda Barbara Ertter 1989-6-4 8556 a San Mateo near jct. Crocker Ave. and Alexander Ave. (n side of hill that is n-most extension of San Bruno Mt. on n side of Guadalupe Canyon); Daly City Comment
  JROH3039  Clarkia unguiculata John Rawlings, Ann Lambrecht 2010-6-23 0932 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along Trail 2 through small meadow about 700 yards east of the Trail 3 intersection. 81 Comment
  CAS-BOT-BC439288  Claytonia exigua subsp. exigua George Oberlander 1950-2-1 445 San Mateo San Francisco Watershed Reserve. Near south boundary Comment
  JROH3329  Claytonia exigua subsp. exigua L. R. Abrams 1901-1-27 1101 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC439805  Claytonia perfoliata Ned Cahill 1974-4-29 168 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City. Comment
  JEPS121443  Claytonia perfoliata subsp. perfoliata Adam C. Schneider with C. Matt Guilliams 2013-2-2 2 San Mateo Crystal Springs Reservoir, 100 yards west from the intersection of Lexington Ave. and Allegheny Way, Highlands-Baywood Park, CA. Comment
  JROH3343  Claytonia perfoliata subsp. perfoliata John H. Thomas 1963-5-15 10088 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3344  Claytonia perfoliata subsp. perfoliata John H. Thomas 1963-5-15 10088 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC91482  Clematis lasiantha Elizabeth McClintock 1979-5-28 s.n. San Mateo Gilmore McDowell Property. Woodside. Comment
  JROH3411  Clematis lasiantha D. E. Breedlove 1971-5-31 19378 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH3420  Clematis lasiantha John Hunter Thomas 1988-4-7 24375 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC389745  Clinopodium douglasii M. Danielson 1965-5-15 s.n. San Mateo Western extension of Edgewood Road - Redwood City Comment
  CAS-BOT-BC499406  Clintonia andrewsiana A. D. E. Elmer 1903-5-1 4331 San Mateo Butano Creek Comment
  OBI78393  Collinsia heterophylla Rimo Bacigalupi, G. T. Robbins 1954-6-18 4551 San Mateo Roadbank along Alpine Rd, 1/4 mi W of Skyline blvd 701 Comment
  RSA18322  Collinsia heterophylla Carl B. Wolf 1929-5-17 3714 San Mateo 1 mile W of Skyline Drive on Alpine Road. Comment
  CAS-BOT-BC240934  Collinsia multicolor Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo San Bruno Mountain. Colma Canyon Comment
  UC765656  Collinsia multicolor R. F. Hoover 1941-4-23 4901 San Mateo San Mateo Creek below Crystal Springs Dam Comment
  JROH4023  Collinsia sparsiflora var. collina John Hunter Thomas 1992-4-9 25135 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM279765  Collomia heterophylla Lyman Benson 1931-5-10 2798 San Mateo Kings Mountain 457 Comment
  RSA119754  Collomia heterophylla W. R. Dudley 1903-5-2 s.n. San Mateo Lower Pescadero Creek, Spring Valley co. property Comment
  RSA681681  Comarostaphylis diversifolia subsp. diversifolia Annuschka Deb 1989-8-18 379 San Mateo Woodside. Comment
  UCD96968  Conicosia pugioniformis W. R. Russell 1961-6-5 s.n. San Mateo North of Westridge Road, Westlake area, north end of Pacifica. Comment
  JROH207  Conium maculatum John H. Thomas 1964-7-3 10442 San Mateo Jasper Ridge Biological Preserve, Stanford University; along road above Searsville Lake Comment
  JROH208  Conium maculatum John H. Thomas 1964-7-3 10442 San Mateo Jasper Ridge Biological Preserve, Stanford University; along road above Searsville Lake Comment
  SBBG54550  Conium maculatum C. Taylor 1971-6-12 158 San Mateo corner of Harbor Blvd and Old Country Rd, Belmont Comment
  CAS-BOT-BC216009  Convolvulus Elizabeth McClintock 1979-5-28 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  CAS-BOT-BC344849  Conyza Peter Rubtzoff 1987-11-27 9887 San Mateo San Bruno Mountains, Saddle area on north side of Guadalupe Canyon parkway west of Radio Road junction. Western upper edge of East Fork Colusa Creek Canyon. Comment
  CAS-BOT-BC286212  Conyza canadensis J. H. Thomas 1963-7-19 10180 A San Mateo Ano Nuevo Point Comment
  POM226854  Cordylanthus maritimus subsp. palustris L. R. Abrams 1914-7-16 s.n. San Mateo Cooley's Landing on San Francisco Bay Comment
  POM263616  Cordylanthus pilosus subsp. pilosus L. S. Rose 1941-8-9 41362 San Mateo Woodside. 60 Comment
  UC885664  Cordylanthus rigidus subsp. rigidus Lewis S. Rose 1941-9-13 41441 San Mateo Crystal Springs Lake 182 Comment
  JROH658  Coreopsis tinctoria Ruth Porter 1997-11-3 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; low flow crossing along San Francisquito Creek Comment
  CAS-BOT-BC101476  Corethrogyne filaginifolia David D. Keck 1932-5-25 1785 San Mateo East side of Crystal Springs Lake Comment
  CAS-BOT-BC101479  Corethrogyne filaginifolia Miss Eastwood 1896-6-1 s.n. San Mateo Spring Lake Comment
  CAS-BOT-BC101482  Corethrogyne filaginifolia L. R. A. 1902-5-11 2459 San Mateo Crystal Springs Comment
  POM88007  Corethrogyne filaginifolia var. californica L. R. Abrams 1902-5-11 2459 San Mateo Crystal Springs. Comment
  CAS-BOT-BC209817  Cornus glabrata C. B. Wolf 1931-8-20 2329 San Mateo 3 miles west of Mayfield on road to La Honda 91 Comment
  CAS-BOT-BC209820  Cornus glabrata Alice Eastwood 1912-6-10 344 San Mateo Crystal Springs Comment
  CAS-BOT-BC210358  Cornus sericea Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain. Base of Quarry 2 Comment
  CAS-BOT-BC210359  Cornus sericea Elizabeth McClintock; Carlyn Halde; Walter Knight; Walter Knight 1963-6-23 s.n. San Mateo San Bruno Mountain. Lower part of Colma Canyon Comment
  CAS-BOT-BC210361  Cornus sericea Dr. E Goodman 1922-7-1 s.n. San Mateo Near Lake San Andreas Comment
  JROH1864  Cornus sericea subsp. sericea John H. Thomas 1961-5-5 9211 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below Searsville Dam 76 Comment
  JROH1876  Cornus sericea subsp. sericea John Hunter Thomas 1985-4-25 23554 San Mateo Jasper Ridge Biological Preserve, Stanford University; causeway Comment
  SJSU281  Corylus cornuta subsp. californica H. W. Marion 1936-3-8 San Mateo 1 mi NE of Searsville L Comment
  CAS-BOT-BC180374  Corylus cornuta subsp. californica Walter Knight 1964-9-14 849 San Mateo On sandstone ridge between Peak Mt. and Highway 1 Comment
  CAS-BOT-BC287202  Cosmos bipinnatus Prof. W. R. Dudley 1894-3-28 s.n. San Mateo Santa Cruz Mt Peninsula.l Opposite Halfmoon Bay Comment
  CAS-BOT-BC141551  Cotoneaster pannosus D. E. Breedlove 1974-5-13 36230 San Mateo San Pedro Valley Park, Pacifica 152 Comment
  CAS-BOT-BC141553  Cotoneaster pannosus Walter Knight; Irja Knight 1964-9-2 s.n. San Mateo Crocker Avenue near Guadalupe Road - San Bruno Mountain Comment
  JROH3635  Cotoneaster pannosus John H. Thomas 1974-10-12 17622 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3646  Cotoneaster pannosus John Hunter Thomas 1983-7-20 22901 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH663  Cotula coronopifolia John Hunter Thomas 1982-11-6 21198 San Mateo Jasper Ridge Biological Preserve, Stanford University; along edge of Searsville Lake delta Comment
  CAS-BOT-BC291472  Cotula coronopifolia Josephine D. Randall 1907-7-24 64 San Mateo Near Crystal Springs Lake, Santa Cruz Peninsula Comment
  JROH1891  Crassula connata John Hunter Thomas 1990-4-26 24814 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Whiskey Hill Gate Comment
  CAS-BOT-BC257358  Crepis capillaris Peter Rubtzoff 1988-6-9 9926 San Mateo San Bruno Mountains, near parking lot on east side of saddle area. Comment
  JROH1962  Croton setiger John Hunter Thomas 1988-8-21 24565 San Mateo Jasper Ridge Biological Preserve, Stanford University; along "main road" Comment
  JROH4998  Crypsis schoenoides John Rawlings 2009-9-9 0999 San Mateo Jasper Ridge Biological Preserve, Stanford University; in drying bed of Middle Lake 104 Comment
  JROH1368  Cryptantha micromeres John Rawlings 2009-5-7 1069 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 9 in chaparral. 158 Comment
  JROH1379  Cryptantha microstachys John Hunter Thomas 1992-4-23 25164 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA9446  Cryptantha torreyana D. G. Kelch 2002-5-13 s.n San Mateo Cahill Ridge. 0 Comment
  CAS-BOT-BC80655  Cupressus goveniana Hubert Jenkins 1903-7-27 s.n. San Mateo Butano Creek Comment
  POM278835  Cuscuta salina E. A. Purer 1933-8-13 5408 San Mateo Near Baden Station Comment
  HSC23885  Cuscuta subinclusa Mary Katherine Wicksten 1971-7-2 152 San Mateo Huddart Park, Kings Mtn. Rd. above Miwok Area Comment
  JROH5007  Cynodon dactylon John Hunter Thomas 1988-6-6 24512 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA130387  Cynoglossum grande A. M. Patterson 1907-4-27 s.n. San Mateo Kings Mt. Santa Cruz Peninsula. Comment
  SEINET191755  Cynoglossum grande R. C. Foster 1937-4-30 245 San Mateo Along Skyline Blvd just N of road to La Honda Comment
  UC1206465  Cynoglossum grande Le Roy Abrams 1902-4-6 2317 San Mateo Searsville Comment
  SEINET12280949  Cynoglossum grande Unknown 1932-1 8924 San Mateo Comment
  JROH4385  Cyperus eragrostis W. Lennihan 1989-5-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; San Francisquito Creek Comment
  CAS-BOT-BC133769  Cypripedium fasciculatum Miss. Barbara Donahoe; Miss. Louise Boyd 1923-4-18 s.n. San Mateo Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC67972  Cystopteris fragilis Roxana S. Ferris 1921-3-20 2108 a San Mateo 6 mi. from Pescadero Comment
  RSA176822  Cytisus monspessulanus John H. Thomas 1961-5-5 9208 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Along San Francisquito Creek below Searsville Dam. 76 Comment
  CAS-BOT-BC198193  Cytisus scoparius Daniel Cohen 1953-5-5 69 San Mateo Skyline Drive above San Mateo Comment
  CAS-BOT-BC198195  Cytisus scoparius Phillip C. Wheeler 1965-4-27 s.n. San Mateo Brisbane, San Bruno Mountain Comment
  CAS-BOT-BC189819  Dactylis glomerata W. R. Dudley 1899-5-14 s.n. San Mateo Santa Cruz Mountain Peninsula. Top of Sneath Ranch, vicinity of Baden. Comment
  JROH5024  Dactylis glomerata John Hunter Thomas 1985-5-21 23665 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near bridge Comment
  CAS-BOT-BC192232  Danthonia californica David D. Keck 1932-5-6 1479 San Mateo Just west of Millbrae Highlands 50 Comment
  CDA31639  Danthonia californica Wm. Davis 1958-6-5 San Mateo San Bruno, San Bruno Pk. 0 Comment
  HSC81716  Danthonia californica Thomas W. Nelson, Jane P. Nelson 1980-5-3 5133 San Mateo Intersection of Hwy. 92 and Hwy. 280, W of San Mateo. Comment
  JROH5040  Danthonia californica John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU15903  Danthonia californica John Rawlings, Sara Timby, Toni Corelli 2016-4-23 1728 San Mateo Bean Hollow bluff trail, west of Hwy 1 south of Pescadero 8 Comment
  UCD164680  Danthonia californica Peter Rubtzoff 1976-5-22 8547 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. East Fork Colma Creek Canyon area. Comment
  POM347040  Danthonia californica var. americana Lyman Benson 1930-4-26 2071 San Mateo Stanford University. 122 Comment
  CHSC1953  Daucus pusillus A. Goekler 1929-5-10 San Mateo Moss Beach. Comment
  JROH229  Daucus pusillus John Hunter Thomas 1978-4-22 19101 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS44412  Deinandra corymbosa Lewis S. Rose 1965-9-4 65100 San Mateo Skyline Blvd and Half Moon Bay Road; Cahill Ridge 243 Comment
  OBI16292  Deinandra corymbosa Lewis S. Rose 1965-9-4 65100 San Mateo Skyline blvd and Half Moon Bay Rd; Cahill Ridge 244 Comment
  UC481024  Deinandra corymbosa Katharine Brandegee 1908-8-1 San Mateo Montana Point Comment
  UC702538  Deinandra corymbosa L. S. Rose 1941-8-9 41361 San Mateo Moss Beach, open sandy coastal fields Moss Beach 16 Comment
  SD30843  Deinandra corymbosa Marie Cummings 1933-6-5 2124 San Mateo Near Spring Valley Lake Comment
  CAS-BOT-BC299188  Deinandra corymbosa subsp. corymbosa A. D. E. Elmer 1903-7-1 4963 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC299189  Deinandra corymbosa subsp. corymbosa A. D. E. Elmer 1903-7-1 4963 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC299196  Deinandra corymbosa subsp. corymbosa J. H. Thomas 1949-6-4 592 San Mateo Along the coast 1.4 miles s. of road to Pescadero Comment
  CAS-BOT-BC299212  Deinandra corymbosa subsp. corymbosa R. F. Hoover 1966-8-27 9942 San Mateo Half Moon Bay Comment
  UC897723  Deinandra lobbii Roxana Stinchfield 1915-10-14 258 San Mateo near Stanford University (hills above Basaltic Columns); Santa Cruz Mountain Peninsula Comment
  JROH680  Delairea odorata Cary Tronson 2007-11-5 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near horse trail along Corte Madera Creek, near the collection site of many-flowered tobacco Comment
  CAS-BOT-BC9209  Delphinium californicum subsp. californicum Adolph Daniel Edward Elmer 1903-7-1 4548 San Mateo Pilarcitos Stone Dam Comment
  JROH3429  Delphinium californicum subsp. californicum Richard L. Garber 1971-5-18 28 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC9246  Delphinium decorum Henry Nicholas Bolander s.n. San Mateo San Bruno Comment
  CAS-BOT-BC9249  Delphinium decorum Elizabeth McClintock; Phillip C. Wheeler 1967-5-14 s.n. San Mateo San Bruno Mountain, east side of mountain, above Harold Ave., Brisbane. Above Philip Wheeler's house Comment
  CAS-BOT-BC10288  Delphinium hesperium Alice Eastwood 1912-6-10 320 San Mateo Crystal Springs Comment
  CAS-BOT-BC10289  Delphinium hesperium J. H. Thomas 1949-5-29 564 San Mateo Alpine Road, about 1 mile beyond intersection with Mt. Home Road, going west Comment
  CAS-BOT-BC10294  Delphinium hesperium L. Gershenson 1980-3-15 3 San Mateo Rest stop on 280 north of 92 182 Comment
  UCSB11751  Delphinium hesperium Olson, Jim 1962-4-17 San Mateo 10 miles southeast of Halfmoon Bay; on Canada Road 45 Comment
  JROH3443  Delphinium hesperium subsp. hesperium John H. Thomas 1974-5-29 17396 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3444  Delphinium hesperium subsp. hesperium John H. Thomas 1976-5-26 18155 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC9869  Delphinium nudicaule Oliver Norvell 1931-4-18 1417 San Mateo Kings Mountain road. Comment
  RSA10345  Delphinium patens H. A. Barker 1926-5-1 576 San Mateo Kings Mt. Comment
  SEINET3075261 Image available Delphinium variegatum C. W. Sharsmith 1951-4-6 5825 San Mateo Woodside Hills, 3 miles west of Woodside. 180 Comment
  CAS-BOT-BC33190  Delphinium variegatum subsp. variegatum David Daniels Keck 1933-5-11 2309 San Mateo Crystal Springs Lake. Comment
  JROH3463  Delphinium variegatum subsp. variegatum John H. Thomas 1955-5-6 4977 San Mateo Jasper Ridge Biological Preserve, Stanford University. Open serpentine area on top of ridge and adjacent grassy slopes Comment
  UC203054  Delphinium variegatum subsp. variegatum A. D. E. Elmer May 1903 4796 San Mateo Crystal Springs Lake Comment
  JEPS23360  Delphinium variegatum subsp. variegatum W. L. Jepson 1914-3-22 5734 San Mateo Redwood Farm Redwood City (home of Mr. and Mrs. J. W. Goodwin) 30 Comment
  CAS-BOT-BC182767  Deschampsia cespitosa subsp. holciformis Peter Rubtzoff 1976-6-13 8639 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC192602  Deschampsia cespitosa subsp. holciformis Dr. E. B. Copeland 1903-6-10 3305 San Mateo Montara Point Comment
  JEPS71181  Deschampsia cespitosa subsp. holciformis unknown 1919-7-22 209 San Mateo Laguna de los Frijoles Comment
  UCD164702  Deschampsia cespitosa subsp. holciformis Peter Rubtzoff 1976-6-13 8639 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  JROH5057  Deschampsia danthonioides John Rawlings 2007-5-2 1019 San Mateo Jasper Ridge Biological Preserve, Stanford University. Just off (south side) Road F at edge of chaparral in vernally wet area. 167 Comment
  POM190539  Deschampsia danthonioides D. D. Keck 1932-4-29 1448 San Mateo Redwood City. Fields near the San Francisco Bay salt marshes Comment
  JROH5060  Deschampsia elongata John H. Thomas 1973-6-15 16844 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC704  Dicentra formosa subsp. formosa Peter Rubtzoff 1953-5-14 1340 San Mateo Pilarcitos Creek canyon, 1 to 2 miles downstream from Pilarcitos Lake. Comment
  CAS-BOT-BC909  Dicentra formosa subsp. formosa Charles Fuller Baker 1902-3-22 344 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC389662  Dichelostemma capitatum Wm. McCauley 1963-3-30 s.n. San Mateo Coyote Point Comment
  UCD139212  Dichelostemma capitatum subsp. capitatum R. E. Dengler 1960-4-10 6 San Mateo Jasper Ridge, Stanford Biological Reserve. 190 Comment
  JROH4665  Dichelostemma congestum John Hunter Thomas 1982-4-23 20836 San Mateo Jasper Ridge Biological Preserve, Stanford University. Picnic area Comment
  JROH5078  Digitaria sanguinalis John H. Thomas 1974-10-29 17648 San Mateo Jasper Ridge Biological Preserve, Stanford University. Small peninsula created by drainage channel cut to accomodate water from Corte Madera Cr. Comment
  CAS-BOT-BC150452  Diplacus aurantiacus Margaret A. Barry 1937-5-23 146 San Mateo On Coal Mine Ridge Comment
  CAS-BOT-BC150464  Diplacus aurantiacus Carl B. Wolf 1930-11-5 1804 San Mateo Half way up east side of La Honda Grade, Santa Cruz Mtns. 304 Comment
  SD4648  Diplacus aurantiacus Ulysses S. Grant June 1925 San Mateo Hillsborough Comment
  SEINET8390048  Diplacus aurantiacus Wesley Griesel 1963-6-20 814 San Mateo road from Palo Alto to State Hwy #5. 457 Comment
  CAS-BOT-BC151990  Diplacus douglasii L. R. Abrams 1915-3-23 5566 San Mateo Between Woodside and Crystal Springs Lake by crossroads - Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC151993  Diplacus douglasii Roxana S. Ferris 1918-3-31 758 San Mateo Bare hill above Helveto Lake- Mud Lakes, Coal Mine Ridge - Santa Cruz Mountain Peninsula Comment
  RSA187291  Dipsacus sativus John H. Thomas 1964-11-15 10528 -A San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto Comment
  JROH4203  Dirca occidentalis John H. Thomas 1968-2-11 14144 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4204  Dirca occidentalis John H. Thomas 1970-1-1 15496 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  OBI78487  Dirca occidentalis Lewis S. Rose 1964-3-9 64004 San Mateo N end of Crystal Springs Lake 122 Comment
  UCD116838  Dirca occidentalis Lewis S. Rose 1964-3-9 64004 San Mateo N. end of Crystal Springs Lake. 121 Comment
  JEPS61823  Disporum hookeri Lucille Roush 1928-3-11 San Mateo Butano Creek Comment
  RSA176414  Disporum hookeri var. hookeri John H. Thomas 1964-4-19 10328 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Area below dam. Comment
  CDA20072  Dittrichia graveolens D. Pendleton 2002-10-16 PDR 065871 San Mateo San Francisco Bay Area; Sandhill Rd & Lawler Ranch Rd, W of Hwy 280. 0 Comment
  JROH3376  Dodecatheon clevelandii subsp. patulum Ellen Searby 1955-4-1 78 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3386  Dodecatheon hendersonii Herbert Dengler 1973-2-23 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. In oaks towards E. serp. Top of knoll from gully below 2nd enclosure. Comment
  JEPS48589  Dodecatheon hendersonii James G. Daly 1934-1-1 208 San Mateo San Gregorio Watershed Santa Cruz Mts., San Gregorio Watershed (branch of La Honda Canyon, sw San Mateo County) Comment
  JROH1521  Draba verna John Hunter Thomas 1991-4-13 24991 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC67880  Dryopteris arguta John H. Thomas 1973-6-15 16840 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto Comment
  JROH32  Dryopteris arguta John H. Thomas 1976-4-2 18076 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  POM87721  Dryopteris arguta L. R. Abrams 1902-3-16 2273 San Mateo Kings Mountain Comment
  UCSC007740  Dryopteris arguta Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC428362  Dudleya farinosa Ira L. Wiggins 1929-7-4 3802 San Mateo Near the mouth of Pescadero Creek, 2 miles from town of Pescadero Comment
  JROH1815  Dysphania ambrosioides John Hunter Thomas 1980-11-12 20165 San Mateo Jasper Ridge Biological Preserve, Stanford University; delta Comment
  RSA101005  Echinochloa crus-galli G. Oberlander 1949-10-25 393 San Mateo Upper Crystal Springs Lake, San Francisco Watershed Reserve Comment
  HSC94173  Echium lusitanicum Gordon Leppig 2000-5-24 1384 San Mateo Hwy. 101 between Montara and Linda Mar Comment
  CDA5628  Echium pininana Gordon Leppig 2000-5-24 1384 San Mateo Highway 1 between Montara and Linda Mar. 0 Comment
Read comments
Sep 13 2011
  CAS-BOT-BC112959  Eleocharis macrostachya Adolph Daniel Edward Elmer 1903-7-1 4767 San Mateo San Pedro. Comment
  SJSU11265  Elymus glaucus S. H. Casey 1980-6-13 1157 San Mateo Los Trancos Woods 609 Comment
  CAS-BOT-BC203680  Elymus glaucus subsp. glaucus Phillip Wheeler 1965-6-19 s.n. San Mateo San Bruno Mountain. Crystal Cave Canyon east of quarry Comment
  CAS-BOT-BC203683  Elymus glaucus subsp. glaucus W. R. Dudley 1894-5-1 s.n. San Mateo Santa Cruz Mountain Peninsula. Woodside to Crystal Springs Lake Comment
  CAS-BOT-BC203685  Elymus glaucus subsp. glaucus J. Clausen 1937-6-20 1529 San Mateo West of Redwood City near the Easter Cross Comment
  CAS-BOT-BC203690  Elymus glaucus subsp. glaucus Margaret A. Barry 1937-6-22 178 San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC203691  Elymus glaucus subsp. glaucus W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. South slope, Montara Mts. Comment
  SJSU16011  Elymus glaucus subsp. virescens John Rawlings, Toni Corelli 2016-5-27 1845 San Mateo Bean Hollow bluff trail, west of Hwy 1 south of Pescadero 8 Comment
  JROH5120  Elymus multisetus D. E. Breedlove 1971-5-31 19389 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH5129  Elymus multisetus John Hunter Thomas 1985-5-21 23663 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SBBG33992  Epilobium canum subsp. canum L. S. Rose 1969-8-8 San Mateo Cahill Ridge, Skyline Blvd and Half Moon Bay Rd 243 Comment
  UCR121551  Epilobium ciliatum George K. Helmkamp, E. A. Helmkamp 1999-6-28 4998 San Mateo Pescadero Creek Watershed, Bean Hollow Road 0.3 mi south of Pescadero Road (SW of Pescadero). Slopes above Butano Creek 61 Comment
  JROH3053  Epilobium ciliatum subsp. ciliatum John Hunter Thomas 1978-7-2 19241 San Mateo Jasper Ridge Biological Preserve, Stanford University; near dam Comment
  JROH3054  Epilobium ciliatum subsp. ciliatum John Hunter Thomas 1981-7-12 20689 San Mateo Jasper Ridge Biological Preserve, Stanford University; near boat dock Comment
  UC306521  Epilobium ciliatum subsp. watsonii A. D. E. Elmer July, 1903 4962 San Mateo Crystal Springs Lake Comment
  POM32709  Epilobium minutum C. F. Baker 1902-5-4 749 San Mateo Woodside. Comment
  JROH61  Equisetum arvense John Hunter Thomas 1983-7-7 22822 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  CAS-BOT-BC384628  Equisetum hyemale subsp. affine R. D. Hennessey 1964-4-26 70 San Mateo Area where Pilarcitos Creek empties into the ocean Comment
  CAS-BOT-BC384629  Equisetum telmateia subsp. braunii R. D. Hennessey 1964-4-26 69 San Mateo Area in which Pilarcitos Creek empties into the ocean Comment
  JROH65  Equisetum telmateia subsp. braunii John H. Thomas 1967-4-28 12730 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  CHSC90173  Equisetum telmateia var. braunii Diane Mastalir 1988-3-27 4 San Mateo Near drainage ditch, 6.7 mi south of junction of Hwy 1 and Hwy 92, 1.7 mi east of Pescadero Road. 30 Comment
  JROH5143  Eragrostis pectinacea var. pectinacea W. Lennihan 1980-11-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Delta in Searsville Lake (formed by Corte Madera Creek). Comment
  JROH5144  Eragrostis pectinacea var. pectinacea Ann Lambrecht 2005-8-24 20 San Mateo Jasper Ridge Biological Preserve, Stanford University. Sand Hill Road fence 5 or 6 m from Bear Creek crossing. 89 Comment
  CAS-BOT-BC291242  Erechtites minimus J. H. Thomas 1955-12-6 5515 San Mateo Growing on the upstream face of Pilarcitos Lake Dam Comment
  CAS-BOT-BC512628  Eriastrum abramsii Lewis S. Rose 1936-5-28 36305 San Mateo Emerald Lake, W of Redwood City 91 Comment
  POM359361  Ericameria ericoides var. ericoides E. A. Purer 1933-8-25 5511 San Mateo Along Skyline Drive Comment
  JROH649  Erigeron canadensis John H. Thomas 1976-10-16 18423 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low flow crossing Comment
  CAS-BOT-BC300614  Erigeron foliosus var. franciscensis Elizabeth McClintock; Walter Knight; Irja Knight; Baki Kasapligil 1967-7-18 s.n. San Mateo San Bruno Mountain. In old quarry in Colma Canyon Comment
  CHSC320  Erigeron glaucus B. Richardson 1929-5-11 San Mateo Moss Beach. 9 Comment
  SD40122  Erigeron glaucus Edith A. Purer 1933-7-27 5382 San Mateo Two miles south of Pigeon Point. Comment
  CAS-BOT-BC216126  Eriodictyon californicum A. D. E. Elmer 1903-4-1 4801 San Mateo Lake San Andreas Comment
  JROH2719  Eriodictyon californicum John H. Thomas 1970-7-5 15667 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2721  Eriodictyon californicum John H. Thomas 1971-5-30 15969 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM65463  Eriodictyon californicum A. D. E. Elmer 1903-04 4801 San Mateo Lake San Andreas Comment
  RSA766407  Eriogonum caninum D. D. Keck 1931-10-5 1281 San Mateo Dam at north end of Crystal Springs Lake. Comment
  CAS-BOT-BC251977  Eriogonum latifolium John H. Thomas 1974-5-7 17320 San Mateo San Bruno Mountain. Along Guadalupe Parkway opposite school. Western side of mountain Comment
  CAS-BOT-BC251984  Eriogonum latifolium John H. Thomas 1963-5-20 10126 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  RSA107485  Eriogonum latifolium L. S. Rose 1955-7-25 55167 San Mateo Pigeon Point 6 Comment
  SD88537  Eriogonum latifolium Darley F. Howe 1972-6-25 San Mateo 7.5 miles north of Half Moon Bay Comment
  UCSB461  Eriogonum latifolium Myrick, Donald 1966-6-11 San Mateo Pigeon Point on Highway #1 south of San Francisco Comment
  CAS-BOT-BC251970  Eriogonum latifolium Elizabeth McClintock 1972-5-10 s.n. San Mateo Rocky slope above Parking Lot at summit Comment
  CAS-BOT-BC251975  Eriogonum latifolium Phillip C. Wheeler 1965-5-18 s.n. San Mateo Base of the mountain adjacent to Olivet Cemetery Comment
  CAS-BOT-BC251994  Eriogonum latifolium Helen D. Geis 1901-10-26 s.n. San Mateo Bluffs along Halfmoon Bay Comment
  RSA162485  Eriogonum latifolium E. K. Balls 1963-5-22 12068 San Mateo 12.2 miles south from turn off to San Gregorio, State Highway #1 6 Comment
  SEINET11938060  Eriogonum latifolium Unknown 1933-1 10382 San Mateo one mile down coast from Piscadero Comment
  SEINET11938065  Eriogonum latifolium E. H. Graham 1931-1 6932 San Mateo Ano Nuevo Point, S of San Francisco Comment
  SEINET5330414  Eriogonum latifolium E. Crawford 1982-9-25 s.n. San Mateo 12 Comment
  CAS-BOT-BC266074  Eriogonum luteolum A. D. E. Elmer 1903-6-1 4309 San Mateo Belmont Comment
  SEINET5330457  Eriogonum luteolum J. L. Reveal, John H. Thomas 1975-7-31 3911 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto, on oak covered hillsides south of San Francisquito Creek, on a low, serpentine ridge 183 Comment
  SEINET11938085  Eriogonum luteolum var. caninum E. A. Purer 1933-1 5510 San Mateo Along Skyline Drive Comment
  JROH3224  Eriogonum luteolum var. luteolum A. G. Vestal 1937-7-18 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Southeast side of ridge not far from Stanford property line. Comment
  CAS-BOT-BC269008  Eriogonum nudum var. auriculatum Ned Cahill 1974-10-8 384 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  RSA393325  Eriogonum nudum var. auriculatum E. A. Purer 1933-7-27 5401 San Mateo Along Bayshore Highway near Redwood City Comment
  UCD100531  Eriogonum nudum var. auriculatum Marilyn Ivey 1973-5-30 67 San Mateo Farm Hill Blvd., 2 miles east of Canada College. Comment
  SEINET3386802 Image available Eriophyllum confertiflorum Lewis S. Rose 1933-5-17 33176 San Mateo Redwood City. Comment
  UCSB55462  Eriophyllum confertiflorum Powell, Jerry 1972-3-10 San Mateo Mt. San Bruno Comment
  JROH703  Eriophyllum confertiflorum var. confertiflorum John H. Thomas 1976-5-26 18148 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH715  Eriophyllum confertiflorum var. confertiflorum John Hunter Thomas 1988-6-2 24508 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA116761  Eriophyllum lanatum var. arachnoideum W. R. Dudley 1893-5-27 s.n. San Mateo Foot of Summit Springs Road, near Woodside. Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC301750  Eriophyllum latilobum S. Carlquist 1952-4-26 305 San Mateo On N. side of road to Half Moon Bay, 1 mi. e. of San Mateo Comment
  CAS-BOT-BC301751  Eriophyllum latilobum L. Constance 1938-5-16 2242 San Mateo On San Mateo Creek, Half Moon Bay road 2 miles SW. of San Mateo 45 Comment
  CAS-BOT-BC301753  Eriophyllum latilobum A. D. E. Elmer 1903-6-1 4397 San Mateo field near San Francisquito Creek near Stanford University Comment
  CAS-BOT-BC301976  Eriophyllum staechadifolium Saichi Kawahara 1968-7-29 461 San Mateo Old Stage Road, south bank of Pomponio Creek 36 Comment
  CAS-BOT-BC301982  Eriophyllum staechadifolium Robt. T. Orr 1961-6-27 s.n. San Mateo Ano [Ano] Nuevo Island Comment
  RSA116669  Eriophyllum staechadifolium W. R. Dudley 1894-3-26 s.n. San Mateo By road from Pescadero to San Gregorio Comment
  RSA1946  Eriophyllum staechadifolium C. B. Wolf 1930-11-5 1808 San Mateo Hills near the ocean, 2 miles south of Pescadero 61 Comment
  JROH2591  Erodium botrys John H. Thomas 1967-6-1 12948 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2608  Erodium moschatum John Rawlings 2012-5-25 1106 San Mateo Jasper Ridge Biological Preserve, Stanford University. Dennis Martin site near Road B. 79 Comment
  SD88370  Eryngium armatum Darley F. Howe 1972-6-25 San Mateo 7.5 miles north of Half Moon Bay. Comment
  CAS-BOT-BC54507  Erysimum capitatum Alice Eastwood; John Thomas Howell 1938-6-26 6053 San Mateo 2 miles south of San Gregorio. Comment
  CAS-BOT-BC54512  Erysimum capitatum George Oberlander 1950-3-11 437 San Mateo San Francisco Watershed Reserve. Sweeney Ridge. Comment
  CAS-BOT-BC124226  Erysimum franciscanum George Bowyer Rossbach 1938-5-18 837 San Mateo E side of Crystal Springs Lake 106 Comment
  CAS-BOT-BC54850  Erysimum franciscanum G. B. Rossbach; R. P. Rossbach 1939-3-28 905 a fl. 905b fr. San Mateo San Mateo Creek, below Crystal Springs Lake. 60 Comment
  CAS-BOT-BC54857  Erysimum franciscanum G. B. Rossbach; R. P. Rossbach 1939-4-2 908 a fl. 908b fr. San Mateo Just above and west of south end of San Andreas Lake. 213 Comment
  CAS-BOT-BC54869  Erysimum franciscanum Craig Martz 1985-4-15 205 San Mateo South end of Devil's Slide, both sides of SR1. From coast to saddle between San Pedro and Montara Mountain. 304 Comment
  CAS-BOT-BC54872  Erysimum franciscanum John H. Thomas 1961-5-7 9316 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  CAS-BOT-BC54884  Erysimum franciscanum James Newman 1951-4-24 12 San Mateo Chrystal Springs Reservoir. 152 Comment
  CDA24853  Erysimum franciscanum D. G. Kelch 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  JEPS90459  Erysimum franciscanum Dean W. Taylor 1988-3-30 9484 San Mateo northern slope of s.e. ridge San Bruno Mt. (near ridgecrest, right-of-way of eastern-most set of PG&E high-voltage powerlines crossing the mt.); Santa Cruz Mts., San Francisco South 7 1/2' Quad. 237 Comment
  LA204415  Erysimum franciscanum H. E. Parks; S. T. Parks 1930-3-10 401 San Mateo Spring Valley Lakes Comment
  UC1034726  Erysimum franciscanum G. B. and R. P. Rossbach 1939-3 900 a&b San Mateo 2.5 mi n Montara (near Devil's Slide, steep granitic slope above sea) Comment
  UC1084387  Erysimum franciscanum G. Thomas Robbins 1937-4-11 93 San Mateo meadow near Spring Valley Lakes (along road to Woodside) Comment
  CAS-BOT-BC54831  Erysimum franciscanum W. R. Dudley 1906-5-13 s.n. San Mateo Santa Cruz Peninsula. Hills southwest of San Mateo. Comment
  JEPS121487  Eschscholzia californica Adam C. Schneider with C. Matt Guilliams 2013-3-9 23 San Mateo Crystal Springs Reservoir Comment
  JEPS51732  Eschscholzia californica Dr. L. M. Newlon 1921-1 246 San Mateo sea shore from Salada to Mussel Comment
  JROH3098  Eschscholzia californica John H. Thomas 1975-4-5 17713 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3100  Eschscholzia californica John Hunter Thomas 1981-4-21 20458 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC403554  Eschscholzia californica W. S. Chandler 1901-3-30 s.n. San Mateo San Mateo Comment
  JROH5930  Eschscholzia californica L. Nordby 1982-4-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Close to the Siersville Lab on the west side of the lake Comment
  CAS-BOT-BC110570  Eschscholzia crocea T. S. Brandegee May 22 s.n. San Mateo La Honda. Comment
  POM124471  Euonymus occidentalis A. D. E. Elmer 1903-1 317 San Mateo Butano Creek Comment
  RSA116733  Euonymus occidentalis W. R. Dudley 1895-6-6 s.n. San Mateo Along Pescadero Creek, near Iverson. Comment
  RSA15292  Euphorbia crenulata C. B. Wolf 1927-4-3 260 San Mateo 1 mi. west of Summit of La Honda grade, Santa Cruz Mts. Comment
  HSC103383  Euphorbia oblongata Don Pendleton 2001-4-30 64453 San Mateo Along Sandhill Rd., next to Jasper Ridge Biological Reserve, on the north side of Portola Road, Portola Valley. Comment
  JROH1973  Euphorbia spathulata John H. Thomas 1971-4-10 15755 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5918  Eurybia radulina John Hunter Thomas 1986-5-15 24042 San Mateo Jasper Ridge Biological Preserve, Stanford University 88 Comment
  JROH726  Euthamia occidentalis John H. Thomas 1964-10-2 10511 San Mateo Jasper Ridge Biological Preserve, Stanford University; edge of Searsville Lake near bridge Comment
  CAS-BOT-BC210049  Festuca arundinacea Peter Rubtzoff 1977-6-21 9060 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction and northwest of Fog Forest. Comment
  JROH5163  Festuca arundinacea John Hunter Thomas 1988-5-12 24456 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Lakeside Laboratory Comment
  JROH5475  Festuca bromoides John Hunter Thomas 1984-5-3 23334 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5821  Festuca bromoides John Rawlings 2016-3-8 1682 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 14 uphill from dam spillway 108 Comment
  JROH6209  Festuca bromoides John Rawlings 2013-3-31 1183 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 2 at the Zoology Cabin foundation site. 75 Comment
  JEPS21674  Festuca californica James McMurphy 1906-5-20 San Mateo road to Kings Mt. Comment
  JROH5176  Festuca californica John H. Thomas 1967-5-12 12866 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU11266  Festuca idahoensis S. H. Casey 1980-6-13 1158 San Mateo Los Trancos Woods 609 Comment
  JROH5481  Festuca microstachys John H. Thomas 1963-5-15 10093 B San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC279051  Festuca rubra Dean Wm. Taylor 1988-4-8 9508 San Mateo Santa Cruz Mountains. San Bruno Mountain, northern slope of southeast ridge of the mountain, near the ridgecrest. Right-of-way of eastern-most set of PGandE high-voltage powerlines crossing the mountain 237 Comment
  CAS-BOT-BC77694  Ficus carica John H. Thomas 1960-6-25 8795 San Mateo Redwood City, running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street 7 Comment
  SJSU15424  Foeniculum vulgare Toni Corelli 2011-8-31 712 San Mateo Pescadero State Beach and Marsh Natural Preserve, along Butano Trail 18 Comment
  UCR253346  Foeniculum vulgare A. C. Sanders 2014-8-3 41231 San Mateo San Francisco Bay, South San Francisco, San Francisco Bay Trail in vicinity of S Airport Drive, Utah Ave., and Haskins Way, between Hwy 101 and San Francisco Bay 6 Comment
  CDA34004  Fragaria californica D. G. Kelch, David Gernandt, Steffi Ickert-Bond, Yingli Guo 2011-4-22 11 .151 San Mateo Santa Cruz Mountains.; Skyline Blvd, ~ 5 miles W of Los Altos. Comment
  POM275004  Fragaria californica Lyman D. Benson 1928-4-21 101 San Mateo Stanford University, Mt. Range: Santa Cruz; River: San Francisquito Creek. 91 Comment
  RSA0051577  Fragaria californica W. M. Arbaugh 1968-4-10 267 San Mateo Butano State Park. Comment
  SEINET3892512  Fragaria chiloensis R. L. Johnson 2012-4-6 12 -004 San Mateo Half Moon Bay, Redondo Beach Rd. overlooking Pacific Ocean.; 0 25 Comment
  UCSB2792  Fragaria chiloensis Walker, Clifford 1954-4-29 San Mateo 50 yds from ocean, 1 mi. S of Half Moon Bay Comment
  JROH3666  Fragaria vesca John Hunter Thomas 1981-4-5 20291 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek Comment
  UC1127972  Fragaria vesca H. S. Yates 1935-2-3 5006 San Mateo 0.5 mi se Pigeon Pt.; Santa Cruz Quad. 30 Comment
  JROH3674  Fragaria vesca John Hunter Thomas 1991-4-25 24999 San Mateo Jasper Ridge Biological Preserve, Stanford University. Redwood area below dam Comment
  CAS-BOT-BC457512  Fragaria vesca subsp. californica Ira L. Wiggins 1928-4-14 2913 San Mateo Alpine Creek Road Comment
  HSC23908  Frangula californica Mary Katherine Wicksten 1971-6-17 78 San Mateo Huddart Park, along Chickadee Trail Comment
  CAS-BOT-BC53596  Frangula californica subsp. tomentella Ned Cahill 1974-4-23 157 San Mateo near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC53601  Frangula californica subsp. tomentella O. Boring 1897-8-25 s.n. San Mateo Near Kings Mt. House Comment
  CAS-BOT-BC212964  Fremontodendron californicum W. R. Dudley 1897-12-29 s.n. San Mateo Butano Creek, Santa Cruz Peninsula Comment
  UC1140922  Fremontodendron californicum subsp. californicum W. R. Dudley 1897-12-29 San Mateo Santa Cruz Peninsula, Butano Creek Butano Creek; Santa Cruz Peninsula, Butano Creek Comment
  CAS-BOT-BC130134  Fritillaria affinis John Hunter Thomas 1954-4-3 3821 San Mateo Along San Gregorio Creek about 1.5 miles west of La Honda 106 Comment
  POM278014  Fritillaria affinis Lyman Benson 1935-5-5 6542 San Mateo Lake Searsville 152 Comment
  UC1085319  Fritillaria affinis F. A. Pitelka 1946-4-13 San Mateo Pilarcitos Lake Comment
  JROH4687  Fritillaria affinis John Hunter Thomas 1985-4-27 23538 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA371591  Fritillaria affinis Thomas S. Elias 1987-4-10 10336 San Mateo Along Canyon Road, north of Butano State Park Comment
  CAS-BOT-BC130210  Fritillaria agrestis Roxana S. Ferris 1921-3-21 2120 San Mateo New Years Point - [Ann] Ano Nuevo Comment
  CAS-BOT-BC130211  Fritillaria agrestis Roxana S. Ferris 1921-3-21 2120 San Mateo Nears Years Point Comment
  JEPS100605  Fritillaria biflora var. ineziana Dean W. Taylor 1995-3-14 14763 San Mateo W of Hillsborough (Buri Buri Ridge; W of Skyline Blvd.; San Francisco Fish and Game Refuge, San Francisco Water Department lands) 152 Comment
  CAS-BOT-BC130384  Fritillaria liliacea Marion Gallagher 1978-3-3 s.n. San Mateo At Farm Hill School Site, above Redwood City and opposite [Canada] Canada College, just off 280 at Farm Hill off ramp Comment
  SD39121  Fritillaria liliacea Marie Cummings 1933-4-11 7 San Mateo Spring Valley Lake. Comment
  CAS-BOT-BC130377  Fritillaria liliacea Gladys L. Smith; Marion Gallagher 1978-5-1 4805 San Mateo Spring Valley Watershed along Old Skyline, exactly opposite statue of Father Serra on 280 Comment
  SEINET12044985  Fritillaria liliacea H. E. Parks, Parks, S. T. 1930-1 400 San Mateo Spring Valley Lakes 152 Comment
  CAS-BOT-BC422462  Fumaria officinalis Elizabeth McClintock 1972-3-26 s.n. San Mateo San Bruno Mountain. Brisbane. Comment
  UCD95125  Fumaria officinalis A. P. N. 1960-3-11 517 San Mateo Highway 1, south of Montara. Comment
  JEPS127813  Galium aparine Adam C. Schneider with C. Matt Guilliams 2013-4-7 77 San Mateo Comment
  JROH3801  Galium murale John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH803  Gamochaeta ustulata John Hunter Thomas 1987-5-5 24245 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC483490  Gamochaeta ustulata Ira L. Wiggins 1929-7-4 3772 San Mateo 4 mi w La Honda (on hill road to Pescadero Beach) Comment
  CAS-BOT-BC303471  Gamochaeta ustulata Margaret A. Barry 1937-5-15 141 San Mateo Coal Mine Ridge Comment
  RSA155427  Garrya elliptica L. S. Rose 1962-2-5 62001 San Mateo San Andreas Lake. 152 Comment
  SEINET4041731  Garrya elliptica D. Demaree 1930-1 7312 San Mateo Los Trancos Woods. Comment
  UC1122630  Garrya elliptica C. R. Clar 1928-9-17 3 San Mateo s of Lake Pilarcitos; San Mateo Quad. 274 Comment
  RSA116655  Garrya elliptica Roxana Stinchfield 1914-2-7 13 San Mateo Judge Allens [difficult to read] Road. Comment
  CAS-BOT-BC278661  Gastridium phleoides C. F. Leitholt 1894-7-30 s.n. San Mateo La Honda Comment
  CAS-BOT-BC278663  Gastridium phleoides George Oberlander 1949-6-25 263 San Mateo San Francisco Watershed Reserve Comment
  JROH5186  Gastridium phleoides John H. Thomas 1973-6-15 16829 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5195  Gastridium phleoides John Hunter Thomas 1984-5-2 23327 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD66730  Gastridium phleoides Malcolm A. Nobs; S. Galen Smith 1949-8-26 1610 San Mateo About 1 mile south of Pigeon Point. Comment
  CDA19877  Gastridium phleoides L. Kuwahara 2002-5-17 PDR P 120137 San Mateo San Francisco Bay Area; Growing from rock used to resurface roads on watershed property. 0 Comment
  POM226889  Gaura sinuata L. R. Abrams 1935-06 13687 San Mateo Field near junction of Los Troncos and San Francisquito creeks Comment
  UCSB11484  Genista monspessulana Olson, Jim 1962-4-15 San Mateo 1 mile south of La Honda on Skyline Boulevard 670 Comment
  JROH2614  Geranium dissectum John H. Thomas 1973-4-14 16555 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA0028488  Geranium dissectum John H. Thomas 1964-4-30 10339 San Mateo Near intersection of El Camino Real and F St, Colma Comment
  CAS-BOT-BC166727  Geranium dissectum Peter Rubtzoff 1977-6-7 9028 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  JROH5790  Geranium purpureum Toni Corelli 2016-4-25 1250 San Mateo Jasper Ridge Biological Preserve, Stanford University; outside exclosure Rd. G 121 Comment
  JROH3159  Gilia achilleifolia subsp. multicaulis John Hunter Thomas 1987-4-30 24221 San Mateo Jasper Ridge Biological Preserve, Stanford University; below Searsville Dam Comment
  JROH5693  Gilia achilleifolia subsp. multicaulis John Rawlings 2015-3-31 1416 San Mateo Jasper Ridge Biological Preserve, Stanford University; sepentine prairie on ridge top south of a shallow drainage 128 Comment
  JROH3150  Gilia achilleifolia subsp. multicaulis D. D. Davis 1903-4-5 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; north slope, Searsville Ridge Comment
  UCSC008259  Gilia clivorum Randall Morgan 1987-4-29 s.n. San Mateo 1st big canyon at Devil's Slide Comment
  CAS-BOT-BC303678  Glebionis coronaria Elizabeth McClintock; Paul Reeberg 1988-4-14 s.n. San Mateo San Bruno Mts. Along Guadalupe Canyon Parkway, near school in Lower Colma Canyon Comment
  CAS-BOT-BC303682  Glebionis coronaria Dean Wm. Taylor 1988-4-8 9516 San Mateo Santa Cruz Mts. San Bruno Mt, N slope of SE ridge of the mountain, near the ridgecrest. Right-of-way of E-most set of PG&E high-voltage powerlines crossing the mt 237 Comment
  JROH2023  Glycyrrhiza lepidota John H. Thomas 1962-7-15 9923 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below dam Comment
  RSA91707  Gnaphalium luteoalbum J. T. Howell 1935-1-13 12578 San Mateo Lake San Andreas. Comment
  JROH787  Gnaphalium palustre John Hunter Thomas 1980-11-27 20186 San Mateo Jasper Ridge Biological Preserve, Stanford University; delta Comment
  POM58030  Gnaphalium stramineum E. B. Copeland 1903-6-18 3211 San Mateo Montara Point. Comment
  CAS-BOT-BC304513  Grindelia hirsutula John Thomas Howell 1964-12-6 41032 San Mateo Vacant lot near S. P. R. R. station, Millbrae Comment
  CAS-BOT-BC304517  Grindelia hirsutula L. R. Abrams 1909-8-2 4249 San Mateo Santa Cruz Peninsula. Pebble Beach. Pescadero Comment
  CAS-BOT-BC304521  Grindelia hirsutula J. T. Howell No date on label s.n. San Mateo Pigeon Pt. Comment
  CAS-BOT-BC304523  Grindelia hirsutula H. E. McMinn 1922-6-22 252 San Mateo Near Half Moon Bay (?). Coast road to Half Moon Bay Comment
  CAS-BOT-BC304525  Grindelia hirsutula Alice Eastwood 1912-6-2 216 San Mateo Granada Comment
  CAS-BOT-BC304564  Grindelia hirsutula H. L. Mason 1921-7-3 s.n. San Mateo Pescadero - La Honda Road Comment
  JEPS78925  Grindelia hirsutula Rimo Bacigalupi with G. T. Robbins 1954-6-18 4550 San Mateo road bank along Alpine Road 1/4 mi w Skyline Boulevard 701 Comment
  UC1536845  Grindelia hirsutula G. H. True 1936-6-7 480 San Mateo cove 2 mi s Pescadero 15 Comment
  CAS-BOT-BC304511  Grindelia hirsutula Robert Robertson 1954-4-14 77 San Mateo N.W. of Palo Alto Yacht Club 3 Comment
  CAS-BOT-BC304520  Grindelia hirsutula V. F. Hesse 1961-8-24 3026 San Mateo Near, north of, Pigeon Point 4 Comment
  JROH815  Grindelia hirsutula John H. Thomas 1970-4-4 15541 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR121573  Grindelia hirsutula subsp. hirsutula George K. Helmkamp, E. A. Helmkamp 1999-6-28 5005 San Mateo Pescadero Creek Watershed, Bean Hollow Road 0.3 mi south of Pescadero Road (SW of Pescadero). Slopes above Butano Creek 61 Comment
  UCD132574  Grindelia stricta var. platyphylla Julian A. Steyermark 1932-10-21 s.n. San Mateo Pigeon Point. Comment
  JROH5203  Hainardia cylindrica John Rawlings 2012-5-23 1117 San Mateo Jasper Ridge Biological Preserve, Stanford University; at back of field station at edge of brick patio 121 Comment
  JROH832  Helenium puberulum John H. Thomas 1968-4-19 14293 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM161134  Helenium puberulum Josephine Randall 1907-7-24 s.n. San Mateo Near Crystal Springs Lake. Comment
  RSA3886  Helenium puberulum I. L. Wiggins 1929-7-4 3791 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  UC407000  Helenium puberulum W. R. Dudley 1895-6-14 San Mateo near Searsville; San Francisquito Creek Comment
  CAS-BOT-BC309525  Helenium puberulum Elizabeth McClintock; Paul Reeberg 1988-8-18 s.n. San Mateo San Bruno Mountains. Along Summer Seep Trail 220 Comment
  CAS-BOT-BC309527  Helenium puberulum Walter Knight; Irja Knight; James B. Roof 1963-8-4 s.n. San Mateo San Bruno Mountain. April Brook Comment
  UCD18540  Helenium puberulum Roman Gankin 1950-7-4 8 San Mateo east side of the Peninsula Coast Range, off of the King's Mtn. Rd. behind Woodside. 609 Comment
  JROH850  Helianthella californica var. californica John H. Thomas 1963-5-1 10043 San Mateo Jasper Ridge Biological Preserve, Stanford University; at western end of ridge Comment
  CAS-BOT-BC305339  Helianthella castanea Elizabeth McClintock; Phillip C. Wheeler 1967-5-14 s.n. San Mateo San Bruno Mountain. East side of mountain, above Harold Ave., Brisbane. Near fence separating Brisbane from Crocker Estate portion of mountain Comment
  CAS-BOT-BC305340  Helianthella castanea Philip Wheeler 1965-4-27 s.n. San Mateo San Bruno Mountain. Sierra Point Comment
  CAS-BOT-BC305341  Helianthella castanea Glenn L. Clifton 1988-5-11 17823 San Mateo San Bruno Mountain, canyon on north-facing slope above Brisbane, adjacent to right-of-way of eastern-most set of PGandE high-voltage powerlines crossing the mountain 256 Comment
  CAS-BOT-BC224051  Helianthemum scoparium Fred Hemphill 1973-4-22 832 San Mateo San Carlos. North of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC224055  Helianthemum scoparium W. R. Dudley 1898-4-15 s.n. San Mateo Santa Cruz Mountain Peninsula. Jasper Ridge near Stanford University Comment
  CAS-BOT-BC224057  Helianthemum scoparium George Oberlander 1949-6-25 225 San Mateo San Francisco Watershed Reserve Comment
  HSC23781  Helianthemum scoparium Mary Katherine Wicksten 1971-6-17 63 San Mateo Huddart Park, by Werder Shelter Comment
  JROH1837  Helianthemum scoparium John H. Thomas 1969-5-28 15077 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC305629  Helianthus californicus George Oberlander 1950-4-23 880 San Mateo San Francisco Watershed Reserve. Near stone gate south of Lower Crystal Spr. Lake Comment
  CAS-BOT-BC305926  Helminthotheca echioides John H. Thomas 1955-11-9 5505 San Mateo Fallow Brussel Sprout field near Sanchez Adobe House, San Pedro Valley, about 8.5 miles south of San Francisco - San Mateo County line, and 0.9 mile inland from the ocean Comment
  UC1536746  Helminthotheca echioides Gordon H. True 1937-7-23 802 San Mateo near Salada Beach Road; Skyline Blvd 60 Comment
  CAS-BOT-BC305929  Helminthotheca echioides Walter Knight; Walter Knight 1963-6-24 s.n. San Mateo San Bruno Mountain. Quarry 4 Comment
  POM284518  Hemizonia congesta Lyman Benson 1934-7-29 6108 San Mateo Crystal Springs Lake; Mt. Range: Santa Cruz; Watershed: S. F. Bay. 152 Comment
  CAS-BOT-BC314936  Hemizonia congesta subsp. luzulifolia C. F. Baker 1903-6-30 3350 San Mateo Crystal Springs Comment
  CAS-BOT-BC314938  Hemizonia congesta subsp. luzulifolia Cherie Wetzel 1969-6-20 886 San Mateo Near Canada College, Redwood City just off of Farm Hill Blvd. Comment
  CAS-BOT-BC314941  Hemizonia congesta subsp. luzulifolia David D. Keck 1932-5-6 1492 San Mateo East side of Crystal Springs Lake 60 Comment
  CAS-BOT-BC314947  Hemizonia congesta subsp. luzulifolia A. D. E. Elmer 1903-5-1 4805 San Mateo Crystal Springs Lake Comment
  JROH877  Hemizonia congesta subsp. luzulifolia John Hunter Thomas 1991-11-21 25111 San Mateo Jasper Ridge Biological Preserve, Stanford University; SLAC corridor Comment
  LA203702  Hemizonia congesta subsp. luzulifolia Lewis S. Rose; 1935-9-21 35652 San Mateo Redwood City Comment
  CAS-BOT-BC314943  Hemizonia congesta subsp. luzulifolia H. M. Hall 1916-7-13 10225 San Mateo Near Crystal Springs Lake Comment
  OBI16216  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-9-5 64070 San Mateo Emeral Lake, W of Redwood City 244 Comment
  SEINET6205044  Hemizonia corymbosa L. S. Rose 1965-1 65100 San Mateo Skyline Blvd & Halt Moon Bay Rd Comment
  POM53161  Hemizonia corymbosa subsp. corymbosa C. F. Baker 1902-5-1 686 San Mateo Crystal Springs Lake. Comment
  POM296654B  Hemizonia luzulifolia L. S. Rose 1941-10-24 41470 San Mateo Belmont. 6 Comment
  POM360310  Hemizonia luzulifolia L. S. Rose 1935-9-21 35652 San Mateo Redwood City. Comment
  POM360312  Hemizonia luzulifolia E. A. Purer 1933-8-4 18258 San Mateo Bayshore Hwy. Comment
  RSA107063  Hemizonia luzulifolia L. S. Rose 1956-5-28 56082 San Mateo Skyline Blvd W of San Mateo. 183 Comment
  RSA81636  Hemizonia luzulifolia James I. McMurphy 1909-5-25 s.n. San Mateo Summit between San Mateo and Crystal Springs Lakes. Comment
  SEINET10616464 Image available Hemizonia luzulifolia LeRoy R. Abrams 1902-5-11 Abrams 2446 San Mateo Comment
  SEINET11848429  Hemizonia luzulifolia L. S. Rose 1937-1 37662 San Mateo Emerald Lake, W of Redwood City 183 Comment
  RSA132469  Hemizonia luzulifolia subsp. rudis John H. Thomas 1959-8-22 8078 San Mateo Jasper Ridge, about 5 miles southwest of Palo Alto. 152 Comment
  RSA81595  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1910-8-24 s.n. San Mateo Corte Madera Creek. Comment
  SEINET5782066 Image available Hemizonia pungens L. S. Rose 1941-10-10 41463 San Mateo along Bayshore Blvd, San Mateo Comment
  UC1084378  Heracleum lanatum G. Thomas Robbins 1937-4-11 75 San Mateo along Skyline Blvd. s. of San Francisco Comment
  RSA172336  Heracleum maximum R. F. Thorne, P. Everett 1963-6-9 32225 San Mateo On top of San Bruno Mt. Near the TV tower 335 Comment
  RSA128900  Heracleum maximum P. H. Raven 1950-6-3 2237 San Mateo Woods around San Andres Lake 122 Comment
  JROH888  Hesperevax sparsiflora var. sparsiflora John Hunter Thomas 1980-5-8 19950 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH894  Hesperevax sparsiflora var. sparsiflora John Hunter Thomas 1982-4-28 20874 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH896  Hesperevax sparsiflora var. sparsiflora John Hunter Thomas 1986-5-6 24005 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH903  Hesperevax sparsiflora var. sparsiflora John Hunter Thomas 1992-5-5 25218 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam and vicinity Comment
  CAS-BOT-BC310244  Hesperevax sparsiflora var. sparsiflora Elizabeth McClintock 1978-4-24 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  CAS-BOT-BC403865  Hesperocnide tenella Walter Knight; Irja Knight 1964-5-30 615 San Mateo San Bruno Mountain. Colma Canyon Comment
  CAS-BOT-BC403867  Hesperocnide tenella George Oberlander 1950-4-16 695 San Mateo San Francisco Watershed Reserve. Pilarcitos Canyon Comment
  UCSB24049  Hesperocyparis abramsiana Dutton, H. 1949-9-19 San Mateo Common corners of sections 11 & 12 and 13 & 14 Range 4 West, on the north bank of the North Fork of Butano Creek Comment
  CAS-BOT-BC176214  Hesperolinon congestum Hester R. Davis 1920-6-1 179 San Mateo Back of Redwood City Comment
  RSA112350  Hesperolinon congestum L. R. Abrams 1910-5-7 s.n. San Mateo Crystal Springs Lake. Comment
  SJSU7855  Hesperolinon congestum J. R. Verbarg 1955-5-14 San Mateo Redwood City Hills back of Redwood City Comment
  JROH2927  Hesperolinon micranthum John H. Thomas 1968-5-22 14460 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2930  Hesperolinon micranthum John H. Thomas 1975-5-26 17899 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2939  Hesperolinon micranthum John Hunter Thomas 1992-5-25 25342 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM139231  Hesperolinon micranthum A. D. E. Elmer 1903-05 4422 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC148470  Heteromeles arbutifolia Walter Knight; Irja Knight 1963-6-24 s.n. San Mateo Quarry 4 - San Bruno Mountain Comment
  CAS-BOT-BC148471  Heteromeles arbutifolia Fred Hemphill 1973-4-15 681 San Mateo San Carlos, chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC148473  Heteromeles arbutifolia A. D. E. Elmer 1903-2-1 s.n. San Mateo Portola Comment
  HSC67230  Heteromeles arbutifolia Richard Spjut 1980-5-15 6195 San Mateo Palo Alto Foothill Park along Steep Hollow Trail, 1/4 mi. from jct. with Wildhorse Valley 229 Comment
  RSA18379  Heteromeles arbutifolia Carl B. Wolf 1927-7-1 529 San Mateo Above Emerald Lake, back of Redwood City Comment
  SD37681  Heteromeles arbutifolia Edith A. Purer 1932-7-18 4002 San Mateo King's Mountain Comment
  CAS-BOT-BC310762  Heterotheca sessiliflora subsp. echioides E. A. McGregor 1906-9-23 s.n. San Mateo Corte de Madera Comment
  UC202810  Heuchera micrantha var. diversifolia A. D. E. Elmer July, 1903 4762 San Mateo Pilarcitos Stone Dam Comment
  CAS-BOT-BC420892  Heuchera micrantha var. diversifolia George Oberlander 1950-5-28 955 San Mateo Pilarcitos Canyon Comment
  UC765037  Heuchera micrantha var. erubescens R. F. Hoover 1940-9-1 4546 San Mateo La Honda summit La Honda Comment
  RSA0066088  Heuchera pilosissima John H. Thomas 1961-5-7 9283 San Mateo San Bruno Mountain, in northern part of county. 305 Comment
  CAS-BOT-BC319638  Hieracium albiflorum Josephine D. Randall 1907-6-29 81 San Mateo Kings Mt. Road, Santa Cruz Peninsula Comment
  JROH910  Hieracium albiflorum John H. Thomas 1964-11-29 10545 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM209883  Hieracium albiflorum D. D. Keck 1934-7-7 2927 San Mateo Kings Mountain, just east of summit. 549 Comment
  CAS-BOT-BC55437  Hirschfeldia incana Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo San Bruno Mountains. Colma Canyon. Comment
  CAS-BOT-BC289252  Holcus lanatus Walter Knight; Irja Knight; Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo Lower Part of Colma Canyon, San Bruno Mountain Comment
  RSA121223  Holcus lanatus G. E. Sindel 1935-8-14 332 San Mateo Half mile N of Purisama Creek. 320 Comment
  RSA85266  Holodiscus discolor D. D. Keck 1932-6-1 1795 San Mateo Above Searsville Lake, on road between Woodside and Skyline Blvd. Santa Cruz Mountains. Comment
  CAS-BOT-BC150051  Holodiscus discolor var. discolor George Oberlander 1949-5-21 183 San Mateo Sawyer Ridge Comment
  CAS-BOT-BC150053  Holodiscus discolor var. discolor A. D. E. Elmer 1903-6-1 4274 San Mateo San Mateo; Jasper Ridge about 3.5 miles southwest of Stanford University. Comment
  CAS-BOT-BC150055  Holodiscus discolor var. discolor Eric Walther 1919-6-19 s.n. San Mateo Woodside Comment
  CAS-BOT-BC150066  Holodiscus discolor var. discolor Lucile Roush 1918-3-31 s.n. San Mateo Sierra Morena Comment
  JROH5227  Hordeum brachyantherum subsp. californicum John Hunter Thomas 1980-5-20 19983 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA107078  Hordeum brachyantherum subsp. californicum L. S. Rose 1956-5-7 56070 San Mateo Skyline Blvd west of San Mateo. 183 Comment
  CAS-BOT-BC285147  Hordeum marinum subsp. gussoneanum Phillip C. Wheeler 1965-5-17 s.n. San Mateo San Bruno Mountain. In Crocker Hills near Cow Palace Comment
  JROH5254  Hordeum murinum subsp. glaucum John Rawlings 2013-4-30 1177 San Mateo Jasper Ridge Biological Preserve, Stanford University. Road B in SLAC Corridor. Comment
  POM205100  Hordeum murinum subsp. glaucum Copeland 1903-6-9 3334 San Mateo Montara Point. Comment
  RSA138203  Hordeum murinum subsp. glaucum Paul R. Hichborn 1920-5-18 236 San Mateo Woodside; Santa Cruz Mountain Peninsula Comment
  SD99477  Hordeum murinum subsp. leporinum Ira L. Wiggins 1975-4-17 22143 San Mateo NE side of Southern Pacific right-of-way, between San Francisquito Creek and Willow Road, Menlo Park Comment
  CAS-BOT-BC271352  Hordeum vulgare John H. Thomas 1971-4-25 15793 San Mateo Intersection of Interstate 280 and Sand Hill Road behind Stanford Univ. Campus Comment
  JEPS44582  Horkelia californica Dr. L. M. Newlon 1921-1 250 San Mateo Above Salata to Mussell Rock (Seashore) Comment
Read comments
1
  CAS-BOT-BC143926  Horkelia cuneata var. sericea A. A. Heller 1906-6-8 8374 San Mateo Near Ocean View, San Francisco, on the Lake Merced side of the Ocean Shore tracks Comment
  RSA784606  Hypericum androsaemum Peter Rubtzoff 1976-6-30 8704 San Mateo San Bruno Mountains:Saddle area on N side of Guadalupe Canyon Parkway west of Radio Road junction. Westernmost part of the area on a slope across fence. Comment
  CAS-BOT-BC311390  Hypochaeris glabra J. H. Thomas 1964-4-30 10338 San Mateo Near intersection of El Camino Real and F St., Colma Comment
  CAS-BOT-BC311393  Hypochaeris glabra John H. Thomas 1955-4-6 4843 San Mateo East facing slope of San Bruno Mountain just north of South San Francisco 91 Comment
  CAS-BOT-BC311395  Hypochaeris glabra Fred Hemphill 1973-5-14 820 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC311397  Hypochaeris glabra Fred Hemphill 1973-4-22 778 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  JROH915  Hypochaeris glabra John H. Thomas 1967-5-10 12859 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH932  Hypochaeris radicata John Hunter Thomas 1981-7-24 20733 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH942  Hypochaeris radicata John Hunter Thomas 1991-6-9 25067 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Main Gate off Sand Hill Road Comment
  RSA14212  Hypochaeris radicata C. B. Wolf 1926-10-19 199 San Mateo East slope of La Honda Grade; Santa Cruz Mts. Comment
  SEINET10560664  Hystrix californica Adolph D. E. Elmer Elmer 4700 San Mateo Crystal Springs Lake. Comment
  SJSU8192  Ipomoea indica D. W. Allen 1978-11-25 San Mateo grounds of residence Comment
  SD38480  Iris douglasiana Edith A. Purer 1933-5-5 3633 San Mateo Alpine Road. Comment
  POM196487  Iris douglasiana W. R. Dudley 1903-5-21 s.n. San Mateo Santa Cruz Peninsula, upper Pescadero Beach 152 Comment
  RSA366795  Iris douglasiana Russell S. Woglum 1935-5-25 1169 San Mateo Skyline Drive, San Francisco to Big Basin Comment
  SBBG1123  Iris longipetala H. and M. Dearing 1933-5-14 2766 San Mateo Skyline Boulevard, S of San Francisco Comment
  POM263469  Iris missouriensis R. C. Foster 1937-4-30 244 San Mateo Near the Skyline Boulevard, north of Kings Mountain Comment
  POM290948  Iris missouriensis Lyman Benson 1929-3-21 1021 San Mateo Wet places north of South San Francisco Comment
  RSA32647  Iris missouriensis Carl B. Wolf 1943-3-3 11443 San Mateo Visitation Point, along the Bayshore Highway, just north of community of Brisbane 61 Comment
  JROH4434  Iris pseudacorus John Hunter Thomas 1981-7-12 20693 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of lake Comment
  CAS-BOT-BC112624  Isolepis cernua E. B. Copeland 1903-6-15 3315 San Mateo Montara Point Comment
  POM185726  Isolepis cernua E. B. Copeland 1903-5-24 3258 San Mateo Montara Point. Comment
  SD37490  Isolepis cernua Edith A. Purer 1933-7-27 5380 San Mateo Moist places in sand dunes, two miles south of Pigeon Point. (IPB 11/07) Comment
  SEINET5716637 Image available Isolepis cernua Shirley C. Tucker 1954-1 3796 San Mateo On sea cliffs, 17 mi. S of San Francisco.; Moss Beach Comment
  SEINET7589113 Image available Isolepis cernua E. B. Copeland 1903-5-24 3258 San Mateo Montara Point. Comment
  JEPS15532  Jaumea carnosa G. Thomas Robbins 1956-8-18 3738 San Mateo mouth of Pomponio Creek (at Pacific Ocean) Comment
  UC1192236  Jaumea carnosa Herbert L. Mason 1949-7-7 14033 San Mateo marshes at mouth Pescadero Creek Comment
  CAS-BOT-BC350921  Juncus arcticus var. balticus Peter Rubtzoff; Elizabeth McClintock 1989-8-31 10045 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction, along old Guadalupe Road, east of Saddle Trail junction, San Bruno Mountains. Comment
  UCR279852  Juncus bufonius Peter Rubtzoff 1977-6-21 9066 San Mateo San Francisco Bay Region, San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 213 Comment
  POM290138  Juncus bufonius var. bufonius Lyman Benson 1930-5-26 2145 A San Mateo Stanford University. Lake Searsville. 152 Comment
  JROH4459  Juncus bufonius var. occidentalis John H. Thomas 1961-4-29 9179 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4467  Juncus bufonius var. occidentalis John Hunter Thomas 1978-4-25 19151 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4471  Juncus bufonius var. occidentalis John Hunter Thomas 1991-5-9 25040 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below picnic area along road to dam. Comment
  UC652558  Juncus lescurii Ira L. Wiggins and Roxana S. Ferris 1939-8-2 9289 San Mateo Ano Nuevo Point Comment
  UCSC007263  Juncus lescurii Randall Morgan 1987-4-29 s.n. San Mateo Ravine in 1st big gorge north of Comment
  UCD164095  Juncus occidentalis Peter Rubtzoff 1978-5-18 9170 San Mateo San Bruno Mountians.'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Marshy area northwest of Fog Forest. Comment
  POM292635  Juncus patens Lyman Benson 1937-7-15 8451 San Mateo Upper San Francisquito Creek, Santa Cruz Mountains. 244 Comment
  RSA132400  Juncus patens John H. Thomas 1959-7-8 8023 San Mateo About 1/2 mile S of Pescadero beach along the coast highway. Comment
  JROH4475  Juncus patens Kent E. Holsinger 1979-12-18 83 San Mateo Jasper Ridge Biological Preserve, Stanford University. E side of Searsville Lake, S side of big bay. Comment
  CAS-BOT-BC182761  Juncus phaeocephalus Peter Rubtzoff 1978-7-8 9230 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  RSA783798  Juncus phaeocephalus var. paniculatus Peter Rubtzoff 1980-8-4 9563 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  SJSU15417  Juncus phaeocephalus var. phaeocephalus Toni Corelli 2009-9-23 432 San Mateo Tunitas Creek, San Mateo County west of Hwy. 1 4 Comment
  JROH4515  Juncus xiphioides John Hunter Thomas 1978-5-16 19219 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC23945  Kickxia spuria Mary Katherine Wicksten 1971-7-15 172 San Mateo Huddart Park, along wall in front of residence Comment
  JROH4040  Kickxia spuria Herbert Dengler 1958-9-9 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; N.E. Nolan Ridge (the ridge N.E. of Corte Madera Cr.) by trail Comment
  JROH4049  Kickxia spuria John Hunter Thomas 1982-11-8 21257 A San Mateo Jasper Ridge Biological Preserve, Stanford University; near low flow crossing Comment
  RSA191942  Koeleria macrantha R. F. Thorne, P. Everett 1963-6-9 32229 San Mateo On top of San Bruno Mountain. 335 Comment
  SEINET12317274  Lachnagrostis filiformis H. E. Wieser 1932-1 s.n. San Mateo Black Mtn road, Hillsborough Hills, near Burlingame Comment
  SJSU1797  Lactuca saligna C. W. Sharsmith 1956-10-22 6356 San Mateo San Mateo County Memorial Park, Pescadero Cr, Santa Cruz Mts Comment
  JROH950  Lactuca serriola John H. Thomas 1971-8-5 16012 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC341627  Lagophylla ramosissima Linda Fox 1969-6-20 1000 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  JROH955  Lagophylla ramosissima L. R. Abrams 1914-6-2 5111 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake Comment
  UCD125097  Lamium amplexicaule J. D. Skoss 1948-8-22 105 San Mateo San Vicente Canyon, near Montara. Comment
  UCSC003371  Lasthenia Randall Morgan 2001-5-9 3727 San Mateo Bean Hollow State Beach, San Mateo County Comment
  RSA152139  Lasthenia californica John H. Thomas 1961-5-7 9251 San Mateo San Bruno Mountain, in northern part of county. 305 Comment
  CAS-BOT-BC339054  Lasthenia californica Javier Penalosa 1963-3-9 2689 San Mateo San Bruno Mountain. 1/2 mi. east of 1314 ft. summit 304 Comment
  CAS-BOT-BC339062  Lasthenia californica W. R. Dudley 1900-3-17 s.n. San Mateo Above Seal Cove Comment
  JROH977  Lasthenia californica subsp. californica John Hunter Thomas 1981-4-23 20482 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC202790  Lasthenia californica subsp. californica A. D. E. Elmer 1903-4-1 4738 San Mateo San Bruno Hills Comment
  JEPS20311  Lasthenia californica subsp. californica Lewis S. Rose 1956-5-28 56081 San Mateo Skyline Blvd. w San Mateo 182 Comment
  CAS-BOT-BC324422  Lasthenia californica subsp. macrantha J. H. Thomas 1949-6-4 582 San Mateo Along coast, 1.4 miles south of road from coast to Pescadero Comment
  SJSU15795  Lasthenia californica subsp. macrantha Toni Corelli 2010-7-8 644 San Mateo Bean Hollow State Beach along Arroyo de los Frijoles Trail 10 Comment
  SEINET11811269  Lasthenia chrysostoma Unknown 1933-1 49 San Mateo Jasper Ridges Comment
  JEPS67909  Lasthenia glaberrima L. R. Heckard and J. H. Thomas 1972-4-16 2892 San Mateo ca 1.5 s Pulgas Water Temple (sw of Upper Crystal Springs Reservoir, along Old Canada road (private)) 121 Comment
  RSA14967  Lasthenia glabrata subsp. glabrata L. S. Rose 1935-5-4 35148 San Mateo Burlingame. Comment
  RSA51288  Lasthenia glabrata subsp. glabrata Peter H. Raven 1950-4-10 1615 San Mateo Hwy 101 at Redwood City. 91 Comment
  JEPS28873  Lasthenia gracilis V. F. Hesse 1962-7-19 3166 San Mateo 6 Comment
  RSA18351  Lasthenia macrantha subsp. macrantha C. B. Wolf 1927-1-29 s.n. San Mateo Pescadero Comment
  CAS-BOT-BC204916  Lathyrus Elizabeth McClintock 1972-5-10 s.n. San Mateo San Bruno Mountain. Just belong Parking Lot at the summit Comment
  CAS-BOT-BC205027  Lathyrus jepsonii var. jepsonii W. R. Dudley 1897-5-12 s.n. San Mateo Santa Cruz Peninsula. Road from Bay to Menlo Comment
  RSA22957  Lathyrus latifolius L. R. Abrams, I. L. Wiggins, D. Abrams 1939-6-3 421 San Mateo Roadside 3-4 miles east of San Gregorio, on La Honda Road. Comment
  JEPS22020  Lathyrus littoralis G. Thomas Robbins with S. Galen Smith 1958-6-9 3859 San Mateo 0.5 mi n bridge crossing Pescadero Creek (about 0.25 mi w of State Highway 1) Comment
  UCD106475  Lathyrus vestitus A. A. Heller 1907-4-20 8454 San Mateo San Bruno Hills. Comment
  POM163354  Lathyrus vestitus subsp. vestitus R. C. Bacigalupi 1923-5-19 s.n. San Mateo Mt. Hamilton Range. Isabel Creek. Comment
  POM319934  Lathyrus vestitus subsp. vestitus Barbara Shervanick 1973-4-1 818 San Mateo San Bruno Mt. at first summit at end of Crocker Rd. Comment
  JROH2040  Lathyrus vestitus var. vestitus John Hunter Thomas 1985-4-22 23543 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS17917  Lavatera arborea Rimo Bacigalupi 1955-8-4 5450 San Mateo just n Montara Point lighthouse (at town of Montara); Montara Comment
  UC1252091  Lavatera arborea J. H. Thomas 1959-4-4 7660 San Mateo roadside on coastal bluffs at Pescadero; at coastal bluffs at Pescadero 60 Comment
  RSA434911  Lavatera cretica J. Doty 1969-3-24 580 San Mateo North side of Embarcadero Rd, just west of western boundary of Bysbee Marshlands Wildlife Preserve; Menlo Park. 2 Comment
  RSA132690  Layia chrysanthemoides Donald A. Johansen 1933-5-27 803 San Mateo Field along Skyline Blvd. at jct of side road leading to Burlingame Comment
  CAS-BOT-BC323151  Layia chrysanthemoides David D. Keck 1933-5-11 2307 San Mateo Skyline Boulevard, E of Salada, northern San Mateo County. Comment
  CAS-BOT-BC323157  Layia chrysanthemoides David D. Keck 1932-5-6 1488 San Mateo 4 miles W of Burlingame on Skyline Boulevard. Comment
  CAS-BOT-BC321089  Layia gaillardioides James I. McMurphy 1909-5-25 s.n. San Mateo Fields above Pulpit Rock, San Mateo Canyon Comment
  CAS-BOT-BC321096  Layia gaillardioides W. R. Dudley 1905-6-19 s.n. San Mateo Alpine School, Black Mt. Comment
  CAS-BOT-BC321098  Layia gaillardioides David D. Keck 1932-5-6 1483 San Mateo Skyline Blvd. W of Millbrae Highlands, Santa Cruz Mountains. Comment
  CAS-BOT-BC327477  Layia hieracioides Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain; base of Quarry 2. Comment
  CAS-BOT-BC327484  Layia hieracioides Lewis S. Rose 1936-5-28 36309 San Mateo Emerald Lake, W of Redwood City 91 Comment
  JEPS22902  Layia hieracioides John H. Thomas 1958-5-10 7158 San Mateo 5 mi sw Palo Alto; Searsville Lake 152 Comment
Read comments
Jul 14 2009
  JROH988  Layia hieracioides John Hunter Thomas 1980-5-8 19945 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD39841  Layia hieracioides Edith A. Purer 1933-7-27 5397 San Mateo Two miles south of Pigeon Point Comment
  CAS-BOT-BC382089  Layia platyglossa A. D. E. Elmer 1903-4-1 5022 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC382096  Layia platyglossa John H. Thomas 1961-5-7 9266 San Mateo San Bruno Mountainin northern part of county. 396 Comment
  JROH994  Layia platyglossa John H. Thomas 1966-4-21 11564 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH996  Layia platyglossa John H. Thomas 1973-4-14 16565 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM361731  Layia platyglossa Glenn A. Gorelick 1967-4-15 s.n. San Mateo San Bruno Mountains, overlooking Daly City near San Francisco. Comment
  CAS-BOT-BC382088  Layia platyglossa H. A. Dutton 1900-4-19 s.n. San Mateo Santa Cruz Peninsula: Woodside Comment
  RSA128853  Layia platyglossa subsp. campestris W. R. Dudley 1909-4-27 s.n. San Mateo Whipple Road near Blacksmith shop between Woodside and Crystal Springs Lake. Plants of the Santa Cruz Mountain Peninsula. Comment
  CAS-BOT-BC266607  Legenere limosa W. R. Dudley 1906-5-22 s.n. San Mateo Santa Cruz Mountain Peninsula. Ponds, Coal Mine Ridge Comment
  CAS-BOT-BC534550  Lemna gibba W. R. Dudley 1908-6-19 s.n. San Mateo Santa Cruz Peninsula, Ditch N. of Jersey Farm Dairy Comment
  JROH4537  Lemna minor John Hunter Thomas 1981-6-4 20670 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low flow crossing of San Francisquito Creek Comment
  JROH2790  Lepechinia calycina John H. Thomas 1971-5-30 15970 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM283235  Lepechinia calycina Lyman Benson 1928-4-21 97 San Mateo Searsville ridge, Stanford University, Santa Cruz Mtns, little San Francisquito Cr. 152 Comment
  CAS-BOT-BC89135  Lepidium didymum H. L. Mason 1921-5-29 s.n. San Mateo Pebble Beach near Pescadero. Comment
  CAS-BOT-BC311787  Lepidium latifolium John Thomas Howell 1978-7-18 53189 San Mateo At Airport Sheraton, Airport Blvd., Burlingame Comment
  JROH1538  Lepidium nitidum E. A. McGregor 1907-2-10 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1552  Lepidium nitidum John Hunter Thomas 1983-2-21 21283 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC12753  Lepidium oxycarpum David D. Keck 1932-3-24 1401 San Mateo Redwood City. At border of San Francisco Bay. Comment
  CAS-BOT-BC12946  Lepidium strictum John H. Thomas 1966-4-12 11556 San Mateo East Palo Alto. Along sidewalks near Woodland Avenue and University Avenue. Comment
  JROH5725  Leptochloa fusca subsp. fascicularis John Rawlings 2015-9-22 1638 San Mateo Jasper Ridge Biological Preserve, Stanford University. In mud of Corte Madera Creek delta near open water 104 Comment
  POM65851  Leptosiphon ambiguus C. F. Baker 1902-5-4 753 San Mateo Woodside. Comment
  POM65224  Leptosiphon androsaceus C. F. Baker 1902-4-6 469 San Mateo Crystal Springs Lake. Comment
  RSA128848  Leptosiphon androsaceus Roxana S. Ferris 1921-5-24 2192 San Mateo Bluffs, Pebble Beach near Pescadero. Comment
  UC729676  Leptosiphon androsaceus Carl B. Wolf 1929-5-26 3731 San Mateo s of Pescadero; Pebble Beach Comment
  JROH3181  Leptosiphon bicolor John Rawlings, Ann Lambrecht 2013-4-30 1168 San Mateo Jasper Ridge Biological Preserve, Stanford University; on the verge of Rd B 75 Comment
  JROH3185  Leptosiphon liniflorus Elmer I. Applegate 1895-5-11 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Comment
  CAS-BOT-BC300525  Leptosiphon liniflorus R. K. Wellman 1981-5-14 027 San Mateo Sawyer Camp Rd. in Hillborough [Hillsborough] city limits. 1/2 mi in from rd. start 15 Comment
  SD214610  Leptosiphon parviflorus Carl B. Wolf 1929-5-25 3727 San Mateo Pebble Beach so. of Pescadero Comment
  SD38813  Leptosiphon parviflorus Edith A. Purer 1933-4-25 3640 San Mateo Comment
  UC106678  Leptosiphon rosaceus Katharine Brandegee 1905-6-19 San Mateo Moss Beach Halfmoon Bay Comment
  CAS-BOT-BC123030  Lessingia arachnoidea Charles Fuller Baker 1902-9-2 1548 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC324052  Lessingia arachnoidea W. R. Dudley 1909-10-10 s.n. San Mateo East side of Crystal Springs Reservoir, Santa Cruz Mountains Comment
  LA47382  Lessingia arachnoidea L. S. Rose; 1941-9-6 41434 San Mateo San Mateo Canyon 90.0 Comment
  POM49389  Lessingia arachnoidea L. R. Abrams 1902-9-2 2996 San Mateo Crystal Lake Comment
  UCR70748  Lessingia arachnoidea David D. Keck 1931-10-5 1280 San Mateo San Francisco Bay Region, Crystal Springs Lake, east side 168 Comment
  SEINET1782116  Lessingia bakeri Carl F. Baker 1902-10-20 1834 San Mateo Searsville. Comment
  JROH1008  Lessingia glandulifera var. glandulifera John H. Thomas 1961-6-7 9532 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1013  Lessingia glandulifera var. glandulifera John H. Thomas 1975-5-26 17902 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1014  Lessingia glandulifera var. glandulifera John H. Thomas 1975-5-26 17902 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET7063128  Lessingia glandulifera var. pectinata A. G. Vestal 1963-7-12 s.n. San Mateo Jasper Ridge. UTM Zone 10, 568418mE, 4140415mN. (WGS84/NAD83). 174 Comment
  CAS-BOT-BC324171  Lessingia hololeuca Cherie Wetzel 1969-7-8 924 San Mateo near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  CAS-BOT-BC324173  Lessingia hololeuca John H. Thomas 1969-10-19 15479 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  CAS-BOT-BC324177  Lessingia hololeuca Ned Cahill 1974-8-26 370 San Mateo near the intersection of Canada and Edgewood roads, about 3 miles westward from Redwood City Comment
  HSC23932  Lessingia hololeuca Mary Katherine Wicksten 1971-8-20 205 San Mateo Huddart Park below Redwood Shelter. Comment
  JEPS20328  Lessingia hololeuca Lewis S. Rose 1949-8-14 49165 San Mateo w of Redwood City; Emerald Lake Comment
  JROH1036  Lessingia hololeuca Carol Zabel 1989-8-27 35 San Mateo Jasper Ridge Biological Preserve, Stanford University. This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA210919  Lessingia hololeuca Cherie Wetzel 1969-7-28 998 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  CAS-BOT-BC272289  Leymus X multiflorus J. H. Thomas 1963-6-23 10159 San Mateo Along Alpine Road near Ladera Comment
  CAS-BOT-BC272288  Leymus X multiflorus W. R. Dudley 1909-10-10 s.n. San Mateo Just west of Belmont Sta., Santa Cruz Mountain Peninsula Comment
  UC773784  Leymus X vancouverensis Frank W. Gould 1948-6-19 4716 San Mateo about 2 mi s Pescadero (sand dunes at high tide level) Comment
  JEPS71199  Leymus triticoides William S. Cooper 1919-7-22 214 San Mateo Ano Nuevo Pt. Comment
  UC37061  Leymus triticoides unknown San Mateo San Mateo Comment
  RSA108327  Leymus triticoides Frank W. Gould 1941-5-10 1292 San Mateo 1 mile north of Pigeon Point lighthouse 15 Comment
  POM132667  Ligusticum apiifolium A. D. E. Elmer 1903-07 4966 San Mateo San Mateo Comment
  SEINET7097927  Lilaea scilloides A. G. Vestal 1937-6-15 s.n. San Mateo Lat. 37 14' 13ao N, Long. 122 24' 55ao W (NAD27 converted to WGS84 decimal degrees). Pebble Beach west of Pescadero. UTM Zone 10, 551863 mE, 4121109 mN. Comment
  POM193948  Lilaea scilloides W. R. Dudley 1893-05 s.n. San Mateo Santa Cruz Mountain peninsula: Back of Mira Vista, near Stanford University Comment
  SEINET11764872  Lilaea scilloides Unknown 1932-5-30 9189 San Mateo Lakes Los Francos Woods Comment
  CAS-BOT-BC130794  Lilium pardalinum Josephine D. Randall 1907-6-29 236 San Mateo Kings Mt. Road Comment
  CAS-BOT-BC389738  Lilium pardalinum J. Lovelle 1973-7-8 39 San Mateo Poscader [Pescadero] Cr. Comment
  SEINET12182118  Limnanthes douglasii Unknown 1932-1 9103 San Mateo Roadside between Spring Valley Lake and Sky Line Drive Comment
  CAS-BOT-BC158105  Limonium californicum W. R. O. 1973-10-10 1227 San Mateo San Francisco Bay; Redwood City (Mobile Estates) Comment
  UCD166487  Limosella Peter Rubtzoff 1965-10-19 5661 San Mateo Pilarcitos Lake. Comment
  POM259951  Limosella acaulis I. L. Wiggins, Roxana S. Ferris 1939-8-2 9294 San Mateo Ano Nuevo Point Comment
  UCSB39984  Limosella acaulis Thomas, John 1982-8-15 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto Comment
  UC336384  Linanthus androsaceus unknown 491 San Mateo Colma, S.P.R.R. Colma Comment
  UC908011  Linanthus androsaceus Herbert L. Mason 1935-5-21 8315 San Mateo s of La Honda (Alpine Road); Santa Cruz Mountains Comment
  UC1745718  Linanthus dichotomus Annetta Carter, Helen Sharsmith 1937-5-23 1318 San Mateo E side of Middle Crystal Springs Lake, about 1/2 mi. N of dam. Comment
  UC517491  Linanthus liniflorus John Thomas Howell 1933-5-26 11344 San Mateo Crystal Springs Lake Comment
  SEINET12279096  Linanthus liniflorus L. S. Rose 1932-1 32217 San Mateo San Bruno 183 Comment
  POM270415A  Lithocarpus densiflorus var. densiflorus Lyman Benson 1932-7-25 3952 San Mateo Kings Mt. above Woodside; San Francisquito Cr. watershed. 305 Comment
  RSA252256  Lithocarpus densiflorus var. densiflorus Gary D. Wallace 1974-12-28 1375 B San Mateo Santa Cruz Mtns. along Skyline Blvd (Hwy. 35) w of Redwood City, 2.8 mi n of King Mtn Rd. 640 Comment
  CAS-BOT-BC430768  Lithophragma affine H. A. Dutton 1900-4-17 s.n. San Mateo Woodside Comment
  JROH3889  Lithophragma affine John H. Thomas 1979-4-12 19449 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC430769  Lithophragma affine W. R. Dudley 1900-3-17 s.n. San Mateo Redwood stage road below Hookerville Comment
  RSA159426  Lithophragma heterophyllum John H. Thomas 1961-5-14 9361 San Mateo Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. San Francisco Watershed Reserve. 152 Comment
  UC137140  Lithophragma heterophyllum C. F. Baker 1902-4-6 651 San Mateo Crystal Springs Lake Comment
  JROH5903  Lithophragma heterophyllum M. Ray 1982-5-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 1 before reaching redwoods coming from the Dam Comment
  RSA274343  Lithophragma heterophyllum Lyman Benson 1928-4-21 102 San Mateo Jaspar Ridge. Stanford University. Santa Cruz mtn range. San Francisquito Creek. 152 Comment
  CAS-BOT-BC342308  Logfia filaginoides Peter H. Raven 1950-4-16 1803 San Mateo Summit ridge, San Bruno Mts. 243 Comment
  CAS-BOT-BC342309  Logfia filaginoides Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mountain. South Power Line Ridge Comment
  CAS-BOT-BC342465  Logfia gallica John H. Thomas 1955-4-6 4849 San Mateo East facing slope of San Bruno Mountain just north of South San Francisco 91 Comment
  CAS-BOT-BC342467  Logfia gallica Peter H. Raven 1950-6-3 2198 San Mateo Along Millbrae Ave., Millbrae 60 Comment
  SEINET10894233  Lolium multiflorum Blackwelder 1932-5-17 BLACKWELDER 108 San Mateo Skyline Boulevard. Comment
  CAS-BOT-BC269126  Lolium perenne George Oberlander 1949-7-25 249 San Mateo San Francisco Watershed Reserve. Sawyer Ridge Comment
  UCD164421  Lolium perenne Peter Rubtzoff 1977-6-21 9058 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, northwest of Fog Forest. Comment
  UCD66465  Lolium perenne Beecher Crampton 1962-6-11 6496 San Mateo North city limits of Pacifica, State Hwy. 1 just southwest of its junction with Skyline Blvd. Comment
  UC1073369  Lomatium caruifolium var. caruifolium George B. Rossbach 1955-3-26 373 San Mateo upper N slope, N of radio tower San Bruno Mountain 335 Comment
  UC75213  Lomatium caruifolium var. caruifolium C. F. Baker 1902-3-30 426 San Mateo Crystal Springs Lake Comment
  SEINET6205051  Lomatium dasycarpum L. S. Rose 1965-1 65027 San Mateo San Bruno Mountain, S of parking lot. Comment
  JROH260  Lomatium dasycarpum subsp. dasycarpum John H. Thomas 1967-6-1 12969 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH265  Lomatium dasycarpum subsp. dasycarpum John H. Thomas 1977-4-28 18565 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA119854  Lomatium macrocarpum W. R. Dudley 1894-4-21 s.n. San Mateo San Mateo Ravine below dam Comment
  CAS-BOT-BC240581  Lonicera hispidula Ned Cahill 1974-5-13 242 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC240585  Lonicera hispidula A. D. E. Elmer 1903-7-1 4596 San Mateo Lake San Andreas Comment
  CAS-BOT-BC240587  Lonicera hispidula David D. Keck 1932-8-13 1753 San Mateo Alpine Creek Road above Rolph's Ranch, east slope of Santa Cruz Mtns. 550 Comment
  CAS-BOT-BC240590  Lonicera hispidula Josephine D. Randall 1907-6-29 20 San Mateo Santa Cruz Peninsula. Los Trancos Creek near Stanford University Comment
  CAS-BOT-BC240591  Lonicera hispidula H. L. Mason 1921-7-14 s.n. San Mateo La Honda - Pescadero Creek Rd Comment
  CAS-BOT-BC240593  Lonicera hispidula George Oberlander 1949-5-21 192 San Mateo San Francisco Watershed Reserve. Sawyer Ridge Comment
  CAS-BOT-BC240595  Lonicera hispidula Cherie Wetzel 1969-6-20 861 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  CAS-BOT-BC240600  Lonicera hispidula J. H. Thomas 1949-10-16 1157 San Mateo Between Skyline Drive and Searsville Lake 304 Comment
  CAS-BOT-BC240605  Lonicera hispidula Josephine D. Randall 1907-6-8 19 San Mateo Santa Cruz Peninsula. Portola Valley Comment
  CAS-BOT-BC240607  Lonicera hispidula Margaret A. Barry 1937-6-24 182 San Mateo Coal Mine Ridge Comment
  JROH1660  Lonicera hispidula John Hunter Thomas 1981-5-25 20639 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC240603  Lonicera hispidula Carl B. Wolf 1931-11-5 1805 San Mateo Santa Cruz Mts. 2 mi. w. of La Honda 304 Comment
  UC139353  Lonicera hispidula var. vacillans C. F. Baker 1901-9-2 1533 San Mateo Crystal Springs Lake Comment
  SEINET8907183  Lonicera interrupta A. D. 1974-1 San Mateo hwy. 35 ca. 6 mi. from Jct. hwy. 92 701 Comment
  CAS-BOT-BC243966  Lonicera involucrata var. ledebourii Elizabeth McClintock; Carlyn Halde; Walter Knight; Walter Knight 1963-6-23 s.n. San Mateo Lowe part of Colma Canyon, San Bruno Mountain Comment
  RSA18355  Lonicera involucrata var. ledebourii C. B. Wolf 1929-5-25 3733 San Mateo 2 miles from Pescadero on Alpine Creek. Comment
  UCD163731  Lonicera involucrata var. ledebourii Peter Rubtzoff 1980-12-11 9635 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  CAS-BOT-BC241414  Lonicera japonica Elizabeth McClintock 1967-9-24 s.n. San Mateo San Bruno Mountain. Crocker Avenue Comment
  CAS-BOT-BC290619  Lotus Peter Rubtzoff 1987-7-31 9821 San Mateo Best Products Company parking lot on east side of Gellert Blvd. north of Westborough Blvd. intersection, South San Francisco. Comment
  JROH2049  Lotus corniculatus John Hunter Thomas 1983-7-7 22826 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SBBG25074  Lotus corniculatus D. Myrick 1966-6-11 1448 San Mateo near Pescadero off Hwy 1 Comment
  SFV4289  Lotus corniculatus J. Turner, F. M. Ball 1962-7-7 s. n. San Mateo Highway 1, almost 10 miles north of Santa Cruz County line Open roadside. 30 Comment
  RSA100998  Lotus formosissimus G. Oberlander 1949-7-24 268 San Mateo Pilarcitos Canyon, San Francisco Watershed Reserve. Comment
  UC665645  Lotus formosissimus Ethel Crum 1934-4-29 1701 San Mateo s of Pescadero 30 Comment
  SEINET12154207  Lotus micranthus Unknown 1932-1 9017 San Mateo Gov. Rolph Estate Comment
  POM16713  Lotus wrangelianus A. D. E. Elmer 1903-05 4741 San Mateo Belmont. Comment
  UC1594176  Lotus wrangelianus Jerry Powell 1991-5-14 1602 San Mateo Edgewood Park Comment
  UC311390  Lupinus A. D. E. Elmer May 1903 4827 San Mateo Portola Comment
  JROH5563  Lupinus affinis John Rawlings 2013-4-2 1186 San Mateo Jasper Ridge Biological Preserve, Stanford University; above upper end of Trail 11 137 Comment
  POM10965  Lupinus affinis C. F. Baker 1902-04 1928 San Mateo Crystal Springs Lake. Comment
  SEINET10903755  Lupinus albifrons Charles Piper Smith 1948-4-23 Smith 48146 San Mateo Glabrous keel, abnormal could mean hybridization to formosus or chamissouris Hwy 5, junction s.f. Co jail road Comment
  CAS-BOT-BC195787  Lupinus albifrons var. albifrons Charles Piper Smith 1946-3-26 46117 San Mateo South Crystal Springs Lake, Woodside Road Comment
  CAS-BOT-BC195793  Lupinus albifrons var. albifrons Charles Piper Smith 1948-6-22 48497 San Mateo Highway 5 - junction Pagemill Road, 0.5 miles north Comment
  CAS-BOT-BC195818  Lupinus albifrons var. albifrons C. F. B. 1902-3-22 341 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC195819  Lupinus albifrons var. albifrons A. D. E. Elmer 1903-5-1 4643 San Mateo Belmont Comment
  CAS-BOT-BC195783  Lupinus albifrons var. albifrons Charles Piper Smith 1948-4-23 48144 San Mateo Sharps Park cutoff, 1/2 mile east Comment
  CAS-BOT-BC195790  Lupinus albifrons var. albifrons Charles Piper Smith 1948-6-21 48461 San Mateo Highway 5 - junction San Bruno Road 3, 0.8 miles south Comment
  CAS-BOT-BC195791  Lupinus albifrons var. albifrons Charles Piper Smith 1948-6-21 48460 San Mateo Highway 5 - junction San Bruno Road 3, 0.8 miles south Comment
  CAS-BOT-BC195795  Lupinus albifrons var. albifrons Charles Piper Smith 1948-6-22 48498 San Mateo Highway 5 - junction Woodside 6 mile road, 2.8 miles north Comment
  CAS-BOT-BC196131  Lupinus albifrons var. collinus Alice Eastwood 1914-3-12 3759 San Mateo San Bruno Hills Comment
  SEINET10488488  Lupinus arboreus Thomas 1967-5-2 Thomas 12787 San Mateo San bruno mountain. Ca 0.25 mile up market street from new school in canyon. Shrubby Comment
  SEINET10488495  Lupinus arboreus Charles Piper Smith 1947-4-25 Smith 47186 San Mateo Pebble beach, pescardero, hwy 1, petals mostly yellow Comment
  POM11077  Lupinus arboreus var. arboreus A. D. E. Elmer 1903-05 4414 San Mateo Colma. Comment
  JEPS101819  Lupinus arboreus var. eximius Dean W. Taylor 2000-4-25 17437 San Mateo along dirt road 1 mi W of North Peak, Montara Mountain 411 Comment
  JROH2115  Lupinus bicolor John H. Thomas 1975-4-19 17794 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC75246  Lupinus bicolor C. F. Baker 1903-4-8 1931 San Mateo Crystal Springs Lake Comment
  UCD107185  Lupinus bicolor A. A. Heller 1911-4-12 10250 San Mateo near Stanford University. Comment
  POM10639  Lupinus bicolor subsp. umbellatus C. F. Baker 1902-5-10 816 San Mateo Summit of Coast Range. Comment
  SEINET10484980  Lupinus bicolor var. umbellatus Walter Knight, Irja Knight 1965-3-28 Knight 975 San Mateo From flower garden adjacent to april brook. In grassy area. Comment
  UC127061 Image available Lupinus eximius J. Burtt Davy 1895-4-20 1050 San Mateo Lake Pilarcitos; ; Lake Pilarcitos, San Mateo Co Comment
  RSA0036527  Lupinus formosus Daisie Huang 2006-8-6 06080603 San Mateo Inside San Francisco Water Authority land. 288 Comment
  SEINET10490757  Lupinus formosus var. formosus Charles Piper Smith 1922-6-10 Smith 3546 San Mateo South san francisco-mountain road. Comment
  POM276515  Lupinus latifolius subsp. latifolius Lyman D. Benson 1930-5-3 2092 San Mateo Above Woodside, La Honda Grade; Mt. range: Santa Cruz. 244 Comment
  JROH2120  Lupinus latifolius var. latifolius John H. Thomas 1964-4-19 10331 San Mateo Jasper Ridge Biological Preserve, Stanford University; at Searsville end of ridge Comment
  JROH5799  Lupinus latifolius var. latifolius John Rawlings 2016-4-4 1701 San Mateo Jasper Ridge Biological Preserve, Stanford University; Douglas Iris site 94 Comment
  UC201917  Lupinus microcarpus var. densiflorus A. D. E. Elmer June, 1903 4413 San Mateo Lake San Andreas Comment
  UCD108701  Lupinus microcarpus var. densiflorus A. A. Heller 1907-5-23 8561 San Mateo Back of San Mateo on the Half Moon Bay road. Comment
  UC127041  Lupinus microcarpus var. microcarpus J. Burtt Davy Jun 21 1893-Jun 23 1893 1151 San Mateo Pilarcitos Lake and Canyon Comment
  JROH2129  Lupinus nanus John H. Thomas 1975-4-19 17801 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2137  Lupinus nanus John Hunter Thomas 1983-4-7 21334 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH2144  Lupinus nanus Toni Corelli 2010-3-29 363 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Road E at junction of Trail 11 and Trail 9 106 Comment
  UC201931  Lupinus nanus Inez Ray Smith San Mateo Crystal Spring Lakes Comment
  RSA143002  Lupinus nanus subsp. nanus John H. Thomas 1960-4-26 8597 San Mateo Along Sand Hill Road, between Menlo Park and Searsville. 91 Comment
  CAS-BOT-BC27393  Lupinus nanus var. apricus C. P. Smith 1908-3-30 1374 San Mateo Stanford University, field near Cedro Cottage Comment
  CAS-BOT-BC157981  Lupinus polycarpus Peter Rubtzoff 1979-7-26 9296 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. In upper par to fEast Fork Colma Creek canyon area Comment
  SEINET10486141  Lupinus polycarpus William R. Dudley 1894-4-11 Dudley UMO 180410 San Mateo Near Menlo Park Reservoir. Comment
  SEINET10837785  Lupinus succulentus var. succulentus Charles Piper Smith 1948-4-20 Smith 48111 San Mateo Hwy 1. San Pedro Point, south slope. Comment
  SEINET10489094  Lupinus variicolor Wheeler 1965-6-13 WHEELER UMO 104126 San Mateo San bruno mtn. Colma canyon. Comment
  SEINET10936778  Lupinus variicolor Smith 1947-4-25 Smith 47185 San Mateo Pebble beach (pescadero), hwy 1. Banner white, wings violet blue. Comment
  UCR279850  Luzula subsessilis Peter Rubtzoff 1976-3-28 8450 San Mateo San Francisco Bay Region, San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction; East Fork Colma Creek Canyon 220 Comment
  CAS-BOT-BC441364  Luzula subsessilis Elizabeth McClintock; Arthur Menzies 1963-2-16 s.n. San Mateo San Bruno Mountain: Upper slopes of mountain, below radio station Comment
  UC1057747  Luzula subsessilis F. A. Pitelka 1946-4-13 San Mateo one mi n Montara; n of Montara 30 Comment
  JROH3363  Lysimachia arvensis John H. Thomas 1967-5-12 12883 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1191550  Lythrum hyssopifolia Malcolm A. Nobs, S. Galen Smith 1949-8-26 1578 San Mateo about 1 mi s of Half Moon Bay Comment
  JROH2953  Lythrum hyssopifolia John Hunter Thomas 1983-5-23 22248 San Mateo Jasper Ridge Biological Preserve, Stanford University; near dry road and low-flow crossing on shack side Comment
  JROH2954  Lythrum hyssopifolia John H. Thomas 1967-6-1 12955 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS79508 Image available Lythrum salicaria Edward Lee 1978-8-24 San Mateo Princeton Marsh Comment
  CAS-BOT-BC343910  Madia elegans Ned Cahill 1974-10-8 379 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC343915  Madia elegans J. H. Thomas 1958-9-15 7475 San Mateo 0.4 miles north of dam on San Mateo Creek along Skyline Blvd. 91 Comment
  UC204186  Madia elegans A. D. E. Elmer May 1903 4662 San Mateo Alpine School House Comment
  UC501405  Madia elegans David D. Keck 1932-6-18 1979 San Mateo sw of Stanford University (Skyline Blvd at Langley Hill); Castle Rock Ridge 609 Comment
  CAS-BOT-BC343913  Madia elegans David D. Keck 1932-6-18 1979 San Mateo Skyline Blvd., at Langley Hill. (S.W. of Stanford University) 600 Comment
  CAS-BOT-BC344487  Madia exigua W. R. Dudley 1906-6-11 s.n. San Mateo Santa Cruz Mountain Peninsula. Field E. of Kings Mt. House Comment
  CAS-BOT-BC344490  Madia exigua Ned Cahill 1974-4-29 211 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC344495  Madia exigua James I. McMurphy 1907-5-19 s.n. San Mateo Coal Mine Ridge Comment
  JEPS27363  Madia exigua Rimo Bacigalupi with J. Roof and L. Heckard 1961-4-24 7623 San Mateo about copse edges on lateral ridge below and se of paved ridge-top road just e KRON television tower and station (on Guadalupe Valley side of mountain); San Bruno Mountain 304 Comment
  JROH1041  Madia exigua John H. Thomas 1961-6-7 9531 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1065  Madia exigua John Hunter Thomas 1992-5-25 25349 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC344493  Madia exigua Walter Knight; Irja Knight 1964-5-19 625 San Mateo San Bruno Mountain. North Power Line at Ridge Road Comment
  CAS-BOT-BC343335  Madia gracilis David D. Keck 1932-6-1 1788 San Mateo Above Woodside on the La Honda road, east slope of the Santa Cruz Mtns. 305 Comment
  CAS-BOT-BC343337  Madia gracilis David D. Keck 1932-6-1 1787 San Mateo Above Woodside on the La Honda road, east slope of the Santa Cruz Mtns. 305 Comment
  JROH1077  Madia gracilis John Hunter Thomas 1980-5-8 19946 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1093  Madia gracilis John Hunter Thomas 1988-5-25 24488 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low flow crossing Comment
  JROH1094  Madia gracilis John Hunter Thomas 1989-5-9 24710 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC343331  Madia gracilis George Oberlander 1949-7-24 270 San Mateo San Francisco Watershed Reserve. Near Pilarcitos Lake Comment
  RSA11165  Madia gracilis C. B. Wolf 1927-7-14 595 San Mateo Summit of Kings Mountain road at junction with Skyline Blvd. 610 Comment
  SEINET8734423 Image available Madia madioides L. S. Rose 1941-1 41287 San Mateo Kings Mountain, 540 Comment
  CAS-BOT-BC345114  Madia sativa David D. Keck 1933-11-2 2628 San Mateo 3.5 mi. S.W. of Pescadero, within 100 m. of ocean Comment
  JROH1102  Madia sativa John H. Thomas 1973-6-10 16812 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  OBI15706  Madia sativa Lewis S. Rose 1966-8-6 66078 San Mateo San Bruno Mtn, head of Colma Cyn 213 Comment
  POM49380  Madia sativa L. R. Abrams 1901-9-1 2227 San Mateo Menlo Park Comment
  JROH4694  Maianthemum racemosum James Newman 1952-4-21 15 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4693  Maianthemum racemosum L. R. Abrams 1916-3-25 5585 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Ridge near Dam Comment
  CAS-BOT-BC512102  Maianthemum racemosum subsp. amplexicaule P. C. Wheeler 1966-4-24 s.n. San Mateo Trillium Canyon; San Bruno Mountain Comment
  JROH4719  Maianthemum stellatum John Hunter Thomas 1990-7-4 24871 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC514155  Maianthemum stellatum R. Bacegalupi 1922-3-1 s.n. San Mateo Pescadero Creek Comment
  CAS-BOT-BC514166  Maianthemum stellatum George Oberlander 1950-3-18 513 San Mateo Pilarcites Canyon Comment
  SEINET12044094  Maianthemum stellatum W. R. Dudley 1902-1 s.n. San Mateo by Alpine Road on Corte de Madera Creek, Santa Cruz Peninsula Comment
  UCSB17388  Maianthemum stellatum Schulte, John 1963-4-9 San Mateo Jasper Ridge, 3 miles SW of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  RSA226763  Malva nicaeensis I. L. Wiggins 1969-5-25 21025 San Mateo On vacant lot at corner of Woodland Avenue and Pope Street, Menlo Park. Comment
  RSA187384  Marah fabacea John H. Thomas 1964-6-19 10420 San Mateo Ano Nuevo Island, 1/2 mile off shore and 20 miles NW of Santa Cruz Comment
  UC1746099  Marah fabacea Annetta Carter, Helen Sharsmith 1937-5-23 1320 San Mateo N end of Crystal Springs Lake. Comment
  UC1746100  Marah oregana Annetta Carter, Helen Sharsmith 1937-5-23 1319 San Mateo Just S of Crystal Springs Lake. Comment
  JROH618  Matricaria discoidea John H. Thomas 1975-4-19 17793 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR10253  Medicago lupulina George K. Helmkamp, E. A. Helmkamp 1999-6-28 4976 San Mateo Pescadero Creek Watershed, Pescadero Road just north of Loma Mar 107 Comment
  SJSU4256  Medicago lupulina E. J. Dalton 1962-10-7 39 San Mateo San Gregorio Cr 2 mi SW of La Honda Comment
  JROH2164  Medicago polymorpha John H. Thomas 1967-5-10 12840 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2172  Medicago polymorpha John Hunter Thomas 1988-4-7 24377 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2176  Medicago polymorpha John Hunter Thomas 1992-5-14 25229 San Mateo Jasper Ridge Biological Preserve, Stanford University; near boat ramp Comment
  UC2049895  Medicago polymorpha H. W. Johansen 1958-5-18 32 San Mateo Jones Gulch, 5 miles S of La Honda Comment
  RSA254227  Medicago polymorpha Robert A. Norris 2287 San Mateo Near Crocker Ave., San Bruno Mts. Comment
  UCD164209  Medicago polymorpha Peter Rubtzoff 1978-7-8 9236 San Mateo San Bruno Mountains. 'Saddle' area on N side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  CAS-BOT-BC269446  Melica californica Phillip C. Wheeler 1965-5-18 s.n. San Mateo San Bruno Mountain. Base of the mountain near Olivet Cemetery Comment
  CAS-BOT-BC269480  Melica californica Walter Knight; Irja Knight 1965-4-25 s.n. San Mateo San Bruno Mountain. Owl's Canyon Comment
  CAS-BOT-BC269481  Melica californica Walter Knight; Irja Knight 1965-5-15 s.n. San Mateo San Bruno Mountain. Pig Ranch Ravine Comment
  JROH5298  Melica californica Herbert Dengler 1957-4-13 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5300  Melica imperfecta D. D. Davis 1903-4-5 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. North slope on Searsville Ridge. Comment
  CAS-BOT-BC281407  Melica imperfecta W. R. Dudley 1900-3-17 s.n. San Mateo Near top of Grade, S slope of Montara Mt Comment
  CAS-BOT-BC264244  Melica torreyana Phillip C. Wheeler 1965-5-18 s.n. San Mateo Near base of mountain at Olivet Cemetery, San Bruno Mountain Comment
  JROH5316  Melica torreyana W. Lennihan 1989-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Intersection of Road D and the trail to Rattlesnake Rock. Comment
  RSA101010  Melilotus albus G. Oberlander 1949-10-8 404 San Mateo Lower Crystal Springs Lake, San Francisco Watershed Reserve. Comment
  JEPS121449  Melilotus indicus Adam C. Schneider with C. Matt Guilliams 2013-3-9 51 San Mateo Crystal Springs Reservoir Comment
  JROH2182  Melilotus indicus John H. Thomas 1965-5-12 10646 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2191  Melilotus indicus John Hunter Thomas 1980-5-8 19938 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC24045  Melilotus indicus Mary Katherine Wicksten 1971-6-15 12 San Mateo Huddart Park Rd. bank near office Comment
  JROH2799  Melissa officinalis John Hunter Thomas 1981-9-24 20743 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2802  Melissa officinalis Carol Zabel 1989-8-7 21 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 13, half way from causeway bridge to Leonard's bridge, north side of trail Comment
  RSA132455  Mentha pulegium John H. Thomas 1959-8-22 8079 San Mateo Jasper Ridge, about 5 miles SW of Palo Alto 152 Comment
  JROH2810  Mentha pulegium John H. Thomas 1976-10-16 18398 San Mateo Jasper Ridge Biological Preserve, Stanford University; in Searsville Lake at the mouth of Corte de Madera Creek Comment
  JROH2825  Mentha pulegium John Hunter Thomas 1991-11-21 25106 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing of San Francisquito Creek Comment
  JROH5838  Mentha suaveolens Ann Lambrecht 2007-8-15 30 San Mateo Jasper Ridge Biological Preserve, Stanford University; Corte Madera Creek Comment
  CDA4873  Mercurialis annua T. C. Fuller 1960-6-23 4542 San Mateo East fence line, Sanchez Adobe House, south side Linda Mar Boulevard, Pedro Valley. 0 Comment
  JEPS9016  Mercurialis annua V. Duran 1933-3-20 San Mateo near Montara Mountain Comment
  RSA135750  Mercurialis annua John H. Thomas 1955-11-9 5502 San Mateo Fallow Brussel Sprout field near Sanchez Adobe House, San Pedro Valley, about 8.5 miles south of San Francisco - San Mateo County line, and 0.9 mile inland from the ocean. Comment
Read comments
Aug 8 2010
  POM177324  Mercurialis annua L. R. Abrams, I. L. Wiggins, D. Abrams 1930-11-13 I 80 San Mateo Artichoke field 3 mi. S. of Rockaway Beach (Pedro Valley). Comment
  RSA292406  Micropus californicus Lyman Benson 1935-5-5 6539 San Mateo Lake Searsville. Stanford University. Santa Cruz Mtn range. S.F. Bay watershed. 152 Comment
  CAS-BOT-BC348581  Micropus californicus var. californicus Margaret A. Barry 1937-4-21 9 San Mateo On Coal Mine Ridge Comment
  JROH1121  Micropus californicus var. californicus John H. Thomas 1963-5-12 10085 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1125  Micropus californicus var. californicus John Hunter Thomas 1980-5-8 19949 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC88389  Micropus californicus var. subvestitus E. L. Greene 1886-5-9 San Mateo Belmont Comment
  RSA130390  Micropus californicus var. subvestitus W. R. Dudley 1906-5-13 s.n. San Mateo Open hills southwest of San Mateo Comment
  UC1594161  Microseris bigelovii Jerry Powell 1991-6-1 1603 San Mateo Edgewood County Park Comment
  UCD69081  Microseris douglasii P. Rodriguez-Rojo 1997-5-31 San Mateo Edgewood County Park. Serpentine annual grasslands. UTM: 10EM6347 200 Comment
  JROH1138  Microseris douglasii subsp. douglasii John H. Thomas 1955-5-6 4993 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM52854  Microseris douglasii subsp. douglasii A. D. E. Elmer 1903-05 4721 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC349032  Microseris douglasii subsp. douglasii John H. Thomas 1969-4-24 14903 San Mateo Near Canada College, Redwood City, near Farm Hill Drive Comment
  CAS-BOT-BC7487  Microseris leucocarpha Charles Fuller Baker 1902-5-4 808 San Mateo Woodside Comment
  RSA0001424  Microseris leucocarpha C. F. Baker 1902-5-4 808 San Mateo Woodside. Comment
  SEINET12269789  Mimulus aurantiacus J. I. McMurphy 1906-1 25 San Mateo Kings Mt., Santa Cruz Mts., Santa Cruz Peninsula Comment
  JROH4069  Mimulus aurantiacus var. aurantiacus W. R. Dudley 1895-6-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; top of Ridge near Searsville Dam Comment
  RSA130341  Mimulus aurantiacus var. aurantiacus James I. McMurphy 1906-5-20 25 San Mateo Kings Mt., Santa Cruz Mt. Comment
  RSA420292  Mimulus aurantiacus var. aurantiacus Glenn A. Gorelick 1967-5-24 s.n. San Mateo San Bruno Mountains, overlooking Daly City near San Francisco Comment
  UC484301  Mimulus aurantiacus var. aurantiacus C. B. Wolf 1930-11-5 1804 San Mateo halfway up e side La Honda Grade; Santa Cruz Mtns. 304 Comment
  UCSC007764  Mimulus aurantiacus var. aurantiacus Becky Hendricks, Chris Lay 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  JROH4078  Mimulus cardinalis John H. Thomas 1961-6-14 9544 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  POM5170A  Mimulus douglasii C. F. Baker 1903-4-12 515 San Mateo Near San Mateo Co. Comment
  UC306607  Mimulus guttatus A. D. E. Elmer April, 1903 4857 San Mateo Crystal Springs Lake Comment
  JROH4088  Mimulus guttatus Herbert Dengler 1967-5-29 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; by CMCr -- E. side by trail that crosses creek to go to Tom's (Schultz). This is about 150' from S. corner of Biol. Preserve Comment
  RSA10142  Minuartia douglasii G. Oberlander 1950-4-22 750 San Mateo Sawyer Ridge, San Francisco Watershed Reserve. Comment
  CAS-BOT-BC214085  Monardella villosa Josephine D. Randall 1907-6-8 179 San Mateo Portola Valley, Santa Cruz Peninsula Comment
  CAS-BOT-BC214087  Monardella villosa Eric Walther 1919-6-9 s.n. San Mateo Woodside Comment
  CAS-BOT-BC214090  Monardella villosa Alice Eastwood; John Thomas Howell 1939-6-30 7436 San Mateo Los Trancos Creek near Stanford University Comment
  CAS-BOT-BC220662  Monardella villosa Margaret A. Barry 1937-7-17 210 San Mateo On Coal Mine Ridge Comment
  CAS-BOT-BC214081  Monardella villosa Cherie Wetzel 1969-7-8 920 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  RSA218030  Monardella villosa Elizabeth McClintock, Carlyn Halde 1963-6-23 s.n. San Mateo East-facing slope below parking lot, San Bruno Mountain Comment
  CDA40773  Monardella villosa subsp. franciscana G. D. Barbe 1974-6-4 1825 San Mateo Middle Fork San Pedro Creek, southeast of Oddstad Boulevard, Linda Mar District. Coastal part of county. 0 Comment
  SEINET10961433  Monardella villosa subsp. franciscana A. Graff 1993-6-14 Graff 2 San Mateo 0.35 miles down Bean Hollow Road from its intersection with Pescadero Road, along right road cut. Windy, exposed, dry, steep, rocky cuts. Locally infrequent, with Artemisia californica, Baccharis pilularis, Mimulus aurantiacus, Eriophyllum stachaedifolium, Anaphalis margaritacea, Dudleya sp., Scrophularia californica, Eriogonum sp., grasses. Comment
  RSA681660  Monardella villosa subsp. obispoensis Deb Annuschka 1989-7-14 295 San Mateo Yerba Buena Nursery parking lot berm. Comment
  JEPS121451  Monardella villosa subsp. villosa Adam C. Schneider 2013-5-17 127 San Mateo Crystal Springs Reservoir Comment
  SEINET892710  Monardella villosa var. franciscana G. K. Helmkamp, E. A. Helmkamp 1999-1 4991 San Mateo Pescadero Crk. Watershed: Bean Hollow Rd. 0.3 miles S of Pescadero Rd. (SW of Pescadero). Slopes abov Butano Crk. (Pigeon Pt.) 60 Comment
  CAS-BOT-BC445194  Montia parvifolia A. D. E. Elmer 1903-5-1 4577 San Mateo Iverson's Place Comment
  POM164023  Montia parvifolia A. D. E. Elmer 1903-05 4577 San Mateo Iversons Place Comment
  SJSU1081  Muilla maritima C. W. Sharsmith 1951-4-6 5823 San Mateo Woodside Hills c. 3 mi W of Woodside 182 Comment
  CAS-BOT-BC243706  Myoporum laetum Elizabeth McClintock; Paul Reeberg 1988-8-12 s.n. San Mateo Above Hillside School, San Bruno Mountains Comment
  CDA31867  Myoporum laetum Robin Breckenridge, K. Filippini 2010-2-18 PDR# 1463755 San Mateo Miramar: Highway 1, next to Frenchman Creek. 0 Comment
  RSA120743  Myosotis latifolia S. S. Tillett, I. Sternback 1956-6-24 542 San Mateo Behind (n.) Portola Camp Store, just outside Portola State Park. 396 Comment
  RSA784399  Myosotis latifolia Peter Rubtzoff 1978-6-4 9203 San Mateo San Bruno Mountains: Saddle area on N side of Guadalupe Canyon Parkway W of Radio Road junction. Comment
  SEINET12029232  Myrica californica W. Knight, Knight, I. 1982-1 4461 San Mateo From Tilden Botanic Garden,Berkeley. Orig. collected along Guadalupe Pkyway. E summit,San Bruno Mt Comment
  CDA5318  Myriophyllum aquaticum G. D. Barbe, Tom Palmer, M. Keffer, J. Reppas 1978-11-8 2467 San Mateo Around the shores of Searsville Lake, Jasper Ridge Biological Preserve, Stanford University. 0 Comment
  JROH2693  Myriophyllum aquaticum John Hunter Thomas 1977-6-16 18782 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD102559  Myriophyllum sibiricum Herbert L. Mason; Verne Grant 1946-8-28 13079 San Mateo North of San Francisco County Prison. Comment
  UC1236536  Myriophyllum spicatum J. H. Thomas 1955-12-6 5513 San Mateo 5 and 10 feet deep at the southern end of San Andreas Lake. Comment
  UCD87837  Nassella lepida Beecher Crampton 1962-6-11 6506 San Mateo Sharp Park, suburb of Pacifica, Mori's Point Road west of State Hwy. 1. Comment
  UCD37956  Nassella pulchra Beecher Crampton 1962-6-11 6486 San Mateo San Mateo County, 5 miles west of Belmont, at junction of Ralston Avenue and and Skyline Boulevard, at foot of western slope of Pulgas Ridge, along eastern side of lower Crystal Springs Reservoir. Comment
  RSA127725  Nasturtium officinale John H. Thomas 1959-7-8 8018 San Mateo Pescadero Beach. Comment
  UCD77883  Nasturtium officinale Robert E. Preston 2001-5-30 1535 San Mateo Ca. 9 mi nnw of Boulder Creek. 304 Comment
  JROH3207  Navarretia heterodoxa John Hunter Thomas 1986-6-9 24092 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5661  Navarretia heterodoxa John Rawlings 2014-6-7 1261 San Mateo Jasper Ridge Biological Preserve, Stanford University; on both sides of Trail 9 through chamise chaparral east of WIFI station 197 Comment
  SEINET183956  Navarretia heterodoxa Lewis S. Rose 1936-5-28 36306 San Mateo Emerald Lake, west of Redwood City 91 Comment
  SEINET191641 Image available Navarretia heterodoxa L. S. Rose 1941-6-12 41269 San Mateo West of Redwood City, Emerald Lake 120 Comment
  POM226867  Navarretia mellita L. R. Abrams 1914-7-1 5224 San Mateo Searsville Lake. Comment
  JROH2756  Nemophila John Hunter Thomas 1992-4-23 25150 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Rattlesnake Rocks and along trail to redwoods Comment
  JROH2738  Nemophila menziesii var. menziesii John H. Thomas 1976-4-3 18079 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC219482  Nemophila parviflora J. H. Thomas 1954-4-15 3906 San Mateo About 1 1/2 mile SW of Searsville Lake 228 Comment
  CAS-BOT-BC219476  Nemophila parviflora Mrs. E. C. Sutliffe 1933-5-11 s.n. San Mateo Memorial Park, near La Honda Comment
  CAS-BOT-BC219479  Nemophila parviflora B. S. Miller 1959-5-2 34 San Mateo Alpine Road 243 Comment
  JROH5953  Nuttallanthus texanus D. D. Davis 1903-4-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Ridge area, rocky point Comment
  CAS-BOT-BC140436  Oemleria cerasiformis D. E. Breedlove 1974-5-13 36201 San Mateo San Pedro Valley Park, Pacifica 152 Comment
  CAS-BOT-BC140439  Oemleria cerasiformis George Oberlander 1949-4-2 37 San Mateo Pilarcitos Canyon Comment
  CAS-BOT-BC140440  Oemleria cerasiformis E. G. Dudley 1904-3-3 43 San Mateo Portola Valley, Santa Cruz Mts. Comment
  CAS-BOT-BC140441  Oemleria cerasiformis E. G. Dudley 1904-3-3 42 San Mateo Portola Valley, Santa Cruz Mts. Comment
  CAS-BOT-BC140447  Oemleria cerasiformis Elizabeth McClintock 1965-3-28 s.n. San Mateo Devil's Arroyo Comment
  JROH3705  Oemleria cerasiformis John H. Thomas 1963-4-17 10035 San Mateo Jasper Ridge Biological Preserve, Stanford University. Moist slope along road near Searsville Lake Comment
  RSA176762  Oemleria cerasiformis John H. Thomas 1963-4-17 10035 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto.Moist slope along road near Searsville Lake. Comment
  UC860379  Oemleria cerasiformis Lewis S. Rose 1937-3-20 37004 San Mateo w of Tanforan (Skyline Blvd) 182 Comment
  JROH283  Oenanthe sarmentosa James McMurphy 1906-8-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Comment
  JROH291  Oenanthe sarmentosa John Hunter Thomas 1989-6-13 24771 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  NY42209  Oenothera elata subsp. hookeri J. B. Walker 1994-8-14 907 San Mateo Hwy 1, 4km S of Pescadero State Beach 10 Comment
  UC2061401  Oenothera elata subsp. hookeri H. W. Johansen 1958-5-18 23 San Mateo Coast Hwy 1, S of Pescadero Comment
  UC652594  Oenothera elata subsp. hookeri L. R. Abrams and Ira Wiggins 1939-6-3 438 San Mateo 2 mi n Pigeon Point Lighthouse Comment
  JEPS11666  Orobanche californica subsp. californica Mrs. Clara Hunt Sep 1908 San Mateo Farallone City. Comment
  CAS-BOT-BC499694  Orobanche californica subsp. californica J. H. Thomas 1979-7-31 19684 San Mateo San Bruno Mountain, in northern part of county. Upper portion of Reservoir Hill, NE of Guadalupe Parkway Comment
  SEINET3819130 Image available Orthocarpus densiflorus Lewis S. Rose 1932-4-10 32141 San Mateo Atherton. Comment
  RSA130958  Orthocarpus erianthus var. erianthus Hester R. Davis 1920-4-8 s.n. San Mateo Near San Francisquito Creek. Comment
  RSA14200  Orthocarpus faucibarbatus var. albidus Carl B. Wolf 1927-1-29 181 San Mateo Near the coast at Pescadero. Comment
  SEINET10829382  Orthocarpus floribundus Robert F. Hoover 1939-4-21 Hoover 4057 San Mateo 2 miles south of Colma. Comment
  UCR133535  Osmaronia cerasiformis Lyman Benson 1929-3-5 978 San Mateo road from Searsville Lake to Kings Mountain 610 Comment
  JROH301  Osmorhiza berteroi John Hunter Thomas 1989-6-6 24767 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CHSC56513  Osmorhiza chilensis Steven Triano 1988-5-24 170 San Mateo Along se side of Old La Honda Road ca 0.5 air miles e of SkyLonda. 405 Comment
  SEINET6948092  Oxalis corniculata Robert A. Evers, Clara V. Evers 1975-8-24 115022 San Mateo Trailer Villa, Redwood City. Comment
  JEPS121492  Oxalis pes-caprae Adam C. Schneider with C. Matt Guilliams 2013-3-9 41 San Mateo Crystal Springs Reservoir, Northern part of western margin of San Francisco Public Utilities Commission land. Comment
  CAS-BOT-BC166715  Oxalis pes-caprae Peter Rubtzoff 1977-4-14 8945 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  CAS-BOT-BC318248  Packera breweri Amos Arthur Heller 1907-5-23 8565 San Mateo Back of San Mateo on the Half Moon Bay road. Comment
  CAS-BOT-BC318249  Packera breweri W. R. Dudley 1893-5-27 s.n. San Mateo Near Summit Springs, Kings Mt. Comment
  CAS-BOT-BC253970  Parapholis incurva John H. Thomas 1963-5-20 10138 San Mateo Ano Nuevo Island, about 0.5 mile off shore and about 20 miles NW of Santa Cruz Comment
  JROH1401  Pectocarya pusilla L. Roush & G. Kimber 1918-5-2 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1405  Pectocarya pusilla Toni Corelli 2004-4-18 270 San Mateo Jasper Ridge Biological Preserve, Stanford University. On trail 9 182 Comment
  JROH4115  Pedicularis densiflora John Hunter Thomas 1978-4-20 19094 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA169354  Pedicularis densiflora L. S. Rose 1964-3-23 64013 San Mateo Emerald Lake, W of Redwood City. 122 Comment
  CAS-BOT-BC7096  Pedicularis dudleyi Adolph Daniel Edward Elmer 1903-6-1 4289 San Mateo Iverson's Place. Pescadero Creek. Comment
  LA209494  Pedicularis dudleyi E. B. Copeland; 1982-4-9 707 San Mateo big basin of Pescadero creek Comment
Read comments
Jun 12 2020
  RSA125134  Pedicularis dudleyi E. F. Sprague 1956-5-28 1701 San Mateo Portola State Park, about campground headquarters 305 Comment
Read comments
Mar 2 2010
  SBBG33318  Pedicularis dudleyi A. D. E. Elmer -Jun-1903 4289 San Mateo Pescadero Crk (Iverson's); ISOTYPE Comment
Read comments
Oct 5 2011
  UC306599 Image available Pedicularis dudleyi A. D. E. Elmer June, 1903 4289 San Mateo Iverson's Place Pescadero Creek; Iverson's Place, Pescadero Creek, San Mateo Co. Comment
Read comments
Feb 28 2011
  CAS-BOT-BC69252  Pellaea andromedifolia Margaret Barry 1937-5-1 39 San Mateo Coal Mine Ridge Comment
  JROH97  Pellaea andromedifolia John H. Thomas 1974-6-30 17465 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH98  Pellaea andromedifolia John H. Thomas 1974-6-30 17465 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  CAS-BOT-BC69251  Pellaea andromedifolia John H. Thomas 1975-4-17 s.n. San Mateo Yerba Buena Nursery, near Skyline Blvd, on Isenberg Ranch Comment
  JROH5702  Pellaea mucronata var. mucronata John Rawlings 2015-3-3 1312 San Mateo Jasper Ridge Biological Preserve, Stanford University. Rocky outcrop south side of low divide north of Trail 9. 114 Comment
  CAS-BOT-BC327979  Pentachaeta alsinoides John H. Thomas 1958-5-10 7155 San Mateo Jasper Ridge, about 5 mi SW of Palo Alto. 182 Comment
  UC197089  Pentachaeta alsinoides E. L. Greene 1886-5-9 San Mateo Belmont Comment
  UC88019  Pentachaeta alsinoides E. L. Greene 1886-5-9 San Mateo Belmont Comment
  CAS-BOT-BC77003  Pentagramma triangularis subsp. triangularis John H. Thomas 1958-3-19 7068 San Mateo East facing lsope of San Bruno Mountain, just north of South San Fancisco. 91 Comment
  CAS-BOT-BC77008  Pentagramma triangularis subsp. triangularis Margaret Barry 1937-5-8 84 San Mateo Coal Mine Ridge Comment
  JROH113  Pentagramma triangularis subsp. triangularis Lawrence J. Winship 1974-11-16 13 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  UC1389980  Perideridia kelloggii T. I. Chuang, F. M. Chuang, and S. Banwar 1965-8-3 6012 San Mateo 4.3 mi s Half Moon Bay (on Hwy 1) Comment
  RSA430457  Perideridia kelloggii Lyman Benson 1974-02 8485 San Mateo La Honda Road 244 Comment
  JROH3257  Persicaria amphibia John Hunter Thomas 1992-7-24 25386 San Mateo Jasper Ridge Biological Preserve, Stanford University. Boat ramp. Comment
  CAS-BOT-BC419388  Persicaria punctata W. R. Dudley 1897-10-10 s.n. San Mateo Toward Pilar Pt. Comment
  CAS-BOT-BC419389  Persicaria punctata W. R. Dudley 1897-10-11 s.n. San Mateo Santa Cruz Peninsula. Toward PIlar Pt. Comment
  CDA8458  Petasites frigidus var. palmatus T. C. Fuller 1960-4-2 4084 San Mateo Alpine Road, 0.8 mile east of Pescadero Road, 2.8 miles southeast of La Honda. 0 Comment
  UC1206459  Petasites frigidus var. palmatus Roxana S. Ferris 1918-3-30 750 San Mateo 1 mi above Evans Creek; Peters Creek Comment
  RSA10999  Petasites palmatus C. B. Wolf 1928-3-14 1536 San Mateo La Honda Grade, Santa Cruz Mountains. Comment
  SEINET3121782 Image available Phacelia californica John Thomas Howell 1929-8-11 4373 San Mateo King Mountain Comment
  OBI13755  Phacelia malvifolia Lewis S. Rose 1965-5-3 65057 San Mateo San Bruno Mtn, Colma Cyn 61 Comment
  RSA21847  Phacelia malvifolia J. T. Howell 1938-5-1 13768 San Mateo Colma Canyon. Comment
  JROH5375  Phalaris aquatica W. Lennihan 1989-5-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Just to right before causeway at Whiskey Hill, on San Francisquito Creek. Comment
  JROH5381  Phalaris californica H. J. Dengler 1961-4-30 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. In seep about 25' NNE of the serpentine. 171 Comment
  UC1244706  Phoradendron villosum John H. Thomas 1959-8-22 8080 San Mateo ca. 5 mi. s.w. Palo Alto (Jasper Ridge); Jasper Ridge 152 Comment
  UC2056116  Phyllospadix torreyi 2015-6-18 San Mateo Pescadero. beds south of promontory Comment
  UCD138387  Phyllospadix torreyi R. V. Parker 1953-4-15 s.n. San Mateo Moss Beach. Comment
  CAS-BOT-BC452027  Phyllospadix torreyi Duncan M. Porter 1960-5-12 s.n. San Mateo At the foot of Beach Street, Moss Beach. Comment
  CAS-BOT-BC142184  Physocarpus capitatus W. R. Dudley 1894-4-21 s.n. San Mateo San Mateo Creek - Santa Cruz Peninsula Comment
  CAS-BOT-BC142225  Physocarpus capitatus George Oberlander 1950-7-15 1041 San Mateo San Andreas Valley - San Francisco Watershed Reserve Comment
  JROH3722  Physocarpus capitatus D. E. Breedlove 1971-5-31 19375 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  POM222904  Physocarpus capitatus J. P. Rose 1909-4-17 s.n. San Mateo Los Trancos Creek. 61 Comment
  SEINET3418037 Image available Pickeringia montana Lewis S. Rose 1933-6-9 33224 San Mateo Belmont Comment
  LA205150  Pickeringia montana subsp. montana U. S. Grant; 1926-9-6 sn San Mateo Kings Mountain 609 Comment
  JROH2203  Pickeringia montana var. montana John H. Thomas 1976-5-26 18147 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Shack Comment
  RSA19297  Pickeringia montana var. montana L. S. Rose 1937-5-23 37321 San Mateo Belmont 91 Comment
  SEINET11809971  Picris echioides E. A. Purer 1933-1 5417 San Mateo Belmont Comment
  JEPS121041  Pinus radiata Adam C. Schneider with C. Matt Guilliams 2013-3-8 40 San Mateo Crystal Springs Reservoir, Northern part of western margin of San Francisco Public Utilities Commission land. Comment
  CAS-BOT-BC137312  Piperia elegans Robert Cox, Jr. 1946-8-17 s.n. San Mateo Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC137322  Piperia elegans John H. Thomas 1963-9-11 10267 San Mateo Field redacted by CAS, contact the data manager for more information 396 Comment
  CAS-BOT-BC135929  Pittosporum tenuifolium Elizabeth McClintock; Paul Reeberg 1989-8-31 s.n. San Mateo Willow Pond - San Bruno Mountains Comment
  CAS-BOT-BC228142  Plagiobothrys chorisianus Alice Eastwood; John Thomas Howell 1938-6-26 6068 San Mateo Pigeon Point Comment
  POM64748  Plagiobothrys chorisianus C. F. Baker 1902-3-30 429 San Mateo Crystal Springs Lake Comment
  RSA128819  Plagiobothrys chorisianus L. R. Abrams 1909-4-27 s.n. San Mateo Santa Cruz Mountain peninsula, near Crystal Springs Lake Comment
Read comments
Dec 2 2007
  RSA187365  Plagiobothrys chorisianus W. R. Dudley 1894-4-21 s.n. San Mateo Santa Cruz Mountain peninsula, near Crystal Springs Reservoir Comment
  CAS-BOT-BC228171  Plagiobothrys chorisianus var. hickmanii Class Collection 1940-1-1 s.n. San Mateo Between Pescadero and Ano Nuevo Point Comment
  JROH1422  Plagiobothrys nothofulvus John H. Thomas 1968-4-19 14291 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3109  Plantago erecta John H. Thomas 1957-4-16 6656 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent slopes Comment
  JROH3116  Plantago erecta John Hunter Thomas 1980-5-6 19929 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU654  Plantago erecta A. W. Jacobs 1941-4-20 San Mateo Jasper Ridge above Searsville L Comment
  RSA402012B  Plantago hirtella E. S. Spalding 1924-6-28 s.n. San Mateo Moss Beach. Comment
  JROH3133  Plantago major John H. Thomas 1959-8-22 8082 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS15530  Plantago maritima var. californica G. Thomas Robbins 1956-8-18 3736 San Mateo near mouth of Pomponio Creek Comment
  JEPS24268  Plantago subnuda J. H. Thomas 1959-7-8 8016 San Mateo Pescadero Beach Comment
  CAS-BOT-BC92016  Platystemon californicus Elizabeth McClintock 1965-3-28 s.n. San Mateo San Bruno Mountain. In Devil's Arroyo. Comment
  SEINET7097923  Platystemon californicus A. G. Vestal 1937-6-15 s.n. San Mateo Lat. 37 14' 13ao N, Long. 122 24' 55ao W (NAD27 converted to WGS84 decimal degrees). Pebble Beach west of Pescadero. UTM Zone 10, 551863 mN, 4121109 mN. Comment
  UC28852  Plectritis ciliosa subsp. ciliosa Ivar Tidestrom May 1894 San Mateo San Mateo County Comment
  SEINET14400463  Plectritis congesta Unknown 1938-5-4 718 San Mateo San Mateo County Comment
  JROH4253  Plectritis macrocera John Hunter Thomas 1980-5-6 19923 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC204163  Pleuricospora fimbriolata A. D. E. Elmer Jun 1903 5075 San Mateo on Big Basin trail, Iverson's Place Comment
  UC1190045  Pleuropogon californicus J. I. McMurphy 1906-5-8 San Mateo road near head of Crystal Springs Lakes (by road from Woodside to Byrnes Store) Comment
  CAS-BOT-BC255563  Poa annua W. R. Dudley 1894-3-26 s.n. San Mateo Santa Cruz Mountain Peninsula. By road from Pescadero to San Gregorio Comment
  CAS-BOT-BC255565  Poa annua Ira L. Wiggins 1928-4-22 2944 San Mateo Moss Beach Comment
  JROH5400  Poa annua John H. Thomas 1977-2-20 18466 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5543  Poa annua John Rawlings 2011-4-5 0993 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 11 S of footbridge. 130 Comment
  RSA800330  Poa annua Peter Rubtzoff 1988-5-3 9911 San Mateo San Bruno Mountain, ''Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road Junction, near old Guadalupe Road in the northwest part of the ''Saddle area, east of Saddle Trail Junction. Comment
  JROH5409  Poa howellii John H. Thomas 1964-4-19 10329 San Mateo Jasper Ridge Biological Preserve, Stanford University. Area below dam in among redwoods near creek. Comment
  UC1190036  Poa howellii Roxana S. Ferris 1921-3-20 2175 San Mateo road from Alpine Creek to Pescadero Creek; Santa Cruz Mt Peninsula 396 Comment
  CAS-BOT-BC247424  Poa pratensis W. R. Dudley 1899-5-14 s.n. San Mateo Santa Cruz Mountain Peninsula. Top of hill at Sneath's Ranch, near Millbrae Comment
  JROH5416  Poa pratensis subsp. pratensis John Hunter Thomas 1977-6-16 18801 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM204948  Poa secunda E. B. Copeland 1903-4-20 1920 San Mateo San Andreas Lake Comment
  RSA120384  Poa secunda Roxana S. Ferris 1921-5-20 2174 San Mateo Santa Cruz Mountain Peninsula; road over divide from Alpine Creek and Pescadero Creek 305 Comment
  CAS-BOT-BC244249  Poa unilateralis David D. Keck 1932-5-6 1477 San Mateo Hillsides above Millbrae Highlands Comment
  POM204731  Poa unilateralis C. F. Baker 1904-5-24 3259 San Mateo Montara Point. Comment
  CAS-BOT-BC244248  Poa unilateralis W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. Top of Montara Mountain Comment
  JROH2856  Pogogyne serpylloides John H. Thomas 1966-4-29 11588 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA0022156  Pogogyne serpylloides John H. Thomas 1966-4-29 11588 San Mateo Jasper Ridge Biological experimental area, 5 miles SW of Palo Alto. Comment
  JEPS85226  Pogogyne serpylloides Roy E. Buck and James A. West 1985-6-3 532 San Mateo Cascade Ranch. On old ranch road S of Whitehouse Canyon Rd. Just E of minor gulch draining SSE into small lake ca. 2.1 air km NE of Whitehouse Canyon Rd. CA Hwy. 1 junction 3.2 air km ENE of Franklin Point. 97 Comment
  CAS-BOT-BC173595  Polygonum arenastrum Peter Rubtzoff 1975-10-11 8421 A San Mateo Pond northwest of and across Old Guadalupe Road from Saddle area (which is located on north side of Guadalupe Canyon Parkway west of Radio Road junction). Comment
  POM312912  Polygonum lapathifolium H. L. Mason 1927-10-4 4133 San Mateo Mouth of Waddell creek, Ano Nuevo Point. Comment
  LA51064  Polygonum paronychia Ira L. Wiggins; 1929-7-4 3795 San Mateo Pescadero Beach Comment
  POM181651  Polygonum paronychia H. F. Copeland 1928-2-26 987 San Mateo Montara Comment
  JEPS50633  Polygonum persicaria W. L. Jepson 1923-10-18 10250 San Mateo hills w Colma (toward ocean) Comment
  UC168663  Polygonum punctatum C. F. Baker 1902-10-20 1858 San Mateo Searsville; about lake Comment
  JROH5939  Polypodium californicum John Rawlings 2017-2-22 1959 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trailside rock outcrop, low end of Buckeye Alley, Trail 9 117 Comment
  JROH77  Polypodium californicum John H. Thomas 1967-4-28 12729 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  POM22457  Polypodium californicum C. F. Baker 1902-1-15 235 San Mateo West side of King s Mountain Comment
  CAS-BOT-BC76901  Polypodium californicum Elizabeth McClintock; David Schooly; Kim Marcus 1975-4-13 s.n. San Mateo San Bruno Mountain - grassy slope above Hillside Blvd., south San Francisco Comment
  CAS-BOT-BC76902  Polypodium californicum George Oberlander 1951-3-11 1157 San Mateo San Francisco Watershed Reserve - Pilarcitos Canyon Comment
  CAS-BOT-BC76805  Polypodium glycyrrhiza W. R. Dudley 1898-3-5 s.n. San Mateo Santa Cruz Peninsula - King's Mountain Comment
  UCD164005  Polypodium scouleri Peter Rubtzoff 1977-11-24 9143 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  JROH5433  Polypogon interruptus John Hunter Thomas 1979-6-12 19588 San Mateo Jasper Ridge Biological Preserve, Stanford University. On dam. Comment
  JROH5677  Polypogon interruptus John Rawlings 2014-5-28 1249 B San Mateo Jasper Ridge Biological Preserve, Stanford University. Up-stream edge of low flow crossing of San Francisquito Creek. 81 Comment
  CAS-BOT-BC237354  Polypogon monspeliensis C. F. Leithold 1894-8-13 s.n. San Mateo Santa Cruz Mountain Peninsula. Devil's Canyon Comment
  JROH5450  Polypogon monspeliensis John Hunter Thomas 1980-11-27 20189 San Mateo Jasper Ridge Biological Preserve, Stanford University. Delta. Comment
  JROH5608  Polypogon monspeliensis John Rawlings 2013-5-28 1210 San Mateo Jasper Ridge Biological Preserve, Stanford University. Small drainage west of Goya Gate. 177 Comment
  UC1100375  Polypogon monspeliensis Malcolm A. Nobs and S. Galen Smith 1949-8-26 1609 San Mateo about 1 mi s Pigeon Point; s of Pigeon Point Comment
  UCD91350  Polypogon monspeliensis Herbert L. Mason; Verne Grant 1946-8-28 13094 San Mateo On Highway 5, about 3 miles south of Daly City Road. Comment
  JROH5544  Polypogon viridis John Rawlings 2012-5-23 1111 San Mateo Jasper Ridge Biological Preserve, Stanford University. 106 Comment
  CAS-BOT-BC72219  Polystichum dudleyi W. R. Dudley 1902-1-1 s.n. San Mateo upper Gazos Creek Comment
  CAS-BOT-BC72226  Polystichum dudleyi Roxana S. Ferris 1920-4-24 1955 San Mateo North Fork of Peters Creek 457 Comment
  JROH50  Polystichum dudleyi Ann Lambrecht 2005-10-5 21 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below Trail 1 on creek bank just below redwood grove. Comment
  UCD136472  Polystichum dudleyi Rimo Bacigalupi; J. H. Thomas and L. R. Heckard 1961-5-23 7713 San Mateo East side of Peters Creek, 1/2 mile north of its confluence with Pescadero Creek. 137 Comment
  CAS-BOT-BC76605  Polystichum munitum Margaret Barry 1938-5-29 267 San Mateo Corte Madera Creek, near Coal Mine Ridge. Comment
  CAS-BOT-BC105565  Populus trichocarpa W. R. Dudley 1902-9-21 s.n. San Mateo By Whipple Road, So. Crystal Springs Lake and west of Serpentine - Santa Cruz Peninsula Comment
  RSA195521  Populus trichocarpa John H. Thomas 1966-4-13 11557 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  UCD100109  Portulaca oleracea Gertrud Aronstein 1930-7-16 s.n. San Mateo Atherton. Comment
  JROH5511  Potamogeton crispus Ann Lambrecht 2004-6-2 9 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake Comment
  CAS-BOT-BC453736  Potamogeton illinoensis Charles W. O'Brien 1964-8-31 s.n. San Mateo Lake Pilarcitos Comment
  UC279591  Potamogeton nodosus W. A. Setchell, C. B. Setchell, H. E. Parks 1925-8-29 San Mateo Comment
  UC652561  Potamogeton pectinatus Ira L. Wiggins and Roxana S. Ferris 1939-8-2 9293 San Mateo Ano Nuevo Point Comment
  UC814176  Potamogeton pectinatus Ira L. Wiggins and Roxana S. Ferris 1939-8-2 9293 San Mateo Ano Nuevo Point Comment
  CAS-BOT-BC454000  Potamogeton pectinatus Malcom A. Nobs; S. Galen Smith 1949-8-25 1552 San Mateo At Sharp Park Comment
  CAS-BOT-BC454003  Potamogeton pectinatus W. R. Dudley 1909-10-31 s.n. San Mateo Santa Cruz Mountain Peninsula. Menlo Park Reservoir Comment
  CAS-BOT-BC454005  Potamogeton pectinatus W. R. Dudley 1909-10-10 s.n. San Mateo Santa Cruz Mountain Peninsula. Crystal Springs Reservoir near Club House. Comment
  CAS-BOT-BC454007  Potamogeton pectinatus W. R. Dudley 1903-7-21 s.n. San Mateo Near Hallidie's, Portola Comment
  CAS-BOT-BC141926  Potentilla anserina subsp. pacifica Anne Constant 1955-5-28 196 San Mateo Top of bluff at Pescadero Beach 7 Comment
  CAS-BOT-BC141929  Potentilla anserina subsp. pacifica Elizabeth McClintock; Carlyn Halde; Walter Knight 1963-6-23 s.n. San Mateo Lower part of Colma Canyon - San Bruno Mountains Comment
  POM203299  Potentilla hickmanii E. C. Satlife 1933-11-10 s.n. San Mateo Moss Beach Comment
  UC114491  Potentilla hickmanii Katharine Brandegee 1905-6-20 San Mateo near Halfmoon Bay (Moss Beach); near Halfmoon Bay, Moss Beach Comment
  CAS-BOT-BC516352  Prosartes hookeri C. F. Baker 1903-4-1 5052 San Mateo Crystal Springs Lake Comment
  SEINET12044821  Prosartes smithii J. D. Randall 1908-1 s.n. San Mateo King's Mt, Santa Cruz Peninsula Comment
  RSA217975  Prunella vulgaris var. lanceolata Phillip Wheeler 1965-6-20 s.n. San Mateo Adjacent to Radio Road Comment
  JROH3751  Prunus John Hunter Thomas 1981-4-5 20290 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek Comment
  CAS-BOT-BC158170  Prunus emarginata Walter Knight; Irja Knight; James Roof 1965-5-15 1198 San Mateo Bitter Cherry Ravine Comment
  CAS-BOT-BC158173  Prunus emarginata Peter H. Raven 1950-4-16 1810 San Mateo Above [Visitation] Visitacion Valley, San Bruno Mts. 182 Comment
  CAS-BOT-BC158175  Prunus emarginata L. R. Abrams 1916-4-22 5575 San Mateo Pilarcitos [Canon] Canyon Comment
  POM139640  Prunus emarginata A. D. E. Elmer 1903-05 4523 San Mateo Searsville Lake Comment
  UC311189  Prunus emarginata A. D. E. Elmer May, 1903 4523 San Mateo Searsville Lake Comment
  UC1128403  Prunus ilicifolia G. E. Sindel 1935-8-27 339 San Mateo 1 mi w Crystal Spring Lake 121 Comment
  UC1128422  Prunus ilicifolia A. Wright 1928-9-16 San Mateo San Andreas Lake 152 Comment
  JROH755  Pseudognaphalium californicum John H. Thomas 1961-6-7 9534 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC356856  Pseudognaphalium californicum George Oberlander 1949-5-13 152 San Mateo San Francisco Watershed Reserve. Sawyer Ridge Comment
  CAS-BOT-BC356860  Pseudognaphalium californicum W. R. Dudley 1898-9-15 s.n. San Mateo Santa Cruz Mountain Peninsula. El Corte Madera Comment
  CAS-BOT-BC356863  Pseudognaphalium californicum Elizabeth McClintock 1972-5-10 s.n. San Mateo San Bruno Mountain. Slope above parking lot, summit of mountain Comment
  CAS-BOT-BC356865  Pseudognaphalium californicum Javier Penalosa 1963-3-9 2671 San Mateo San Bruno Mountain. Slopes southeast of 1314ft. summit 381 Comment
  CAS-BOT-BC356867  Pseudognaphalium californicum Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo San Bruno Mountain. East facing slope below parking lot Comment
  CAS-BOT-BC357118  Pseudognaphalium luteoalbum John H. Thomas 1976-10-7 18396 San Mateo Along coast highway #1, 0.6 mile north of northern most road to Pigeon Pt. Lighthouse. About 4.2 miles almost due south of Pescadero 30 Comment
  CAS-BOT-BC357119  Pseudognaphalium luteoalbum John Thomas Howell 1935-1-13 12578 San Mateo Lake San Andreas Comment
  SBBG45074  Pseudognaphalium luteoalbum F. T. Howell 1935-1-13 12578 San Mateo Lake San Andreas Comment
  SJSU16004  Pseudognaphalium luteoalbum John Rawlings, Ken Hickman 2016-7-21 1950 San Mateo Serpentine seep area (Fountain thistle seep) up-slope from the Hwy 92 west onramp to Hwy 280 north; down-slope from San Francisco Watershed fence line 122 Comment
  UC577203  Pseudognaphalium luteoalbum John Thomas Howell 1935-1-13 12578 San Mateo Lake San Andreas Comment
  CAS-BOT-BC357126  Pseudognaphalium luteoalbum Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountain. Radio Road Comment
  CAS-BOT-BC357128  Pseudognaphalium luteoalbum Javier Penalosa 1963-2-23 2659 San Mateo San Bruno Mtn. Ravine south of Crocker Ave. 213 Comment
  JROH778  Pseudognaphalium luteoalbum John H. Thomas 1976-10-16 18400 San Mateo Jasper Ridge Biological Preserve, Stanford University; now dry delta in Searsville Lake at the mouth of Corte de Madera Creek Comment
  CAS-BOT-BC357509  Pseudognaphalium ramosissimum John H. Thomas 1976-10-7 18391 San Mateo Along coast highway #1, 0.6 miles north of northern most road to Pigeon Pt. Lighthouse. About 4.2 miles almost due south of Pescadero 30 Comment
  JROH6200  Pseudognaphalium ramosissimum John Rawlings 2017-9-12 2295 San Mateo Jasper Ridge Biological Preserve, Stanford University; east bank of Bear Creek 82 Comment
  CAS-BOT-BC357508  Pseudognaphalium ramosissimum Janet Jones 1978-8-28 s.n. San Mateo Near Montara Comment
  CAS-BOT-BC361562  Pseudognaphalium stramineum Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountain. Radio Road Comment
  JEPS49081  Pseudognaphalium stramineum Lewis S. Rose 1966-8-6 66079 San Mateo Colma Canyon San Bruno Mountain, Colma Canyon 121 Comment
  JROH810  Pseudognaphalium stramineum John Hunter Thomas 1981-7-12 20686 San Mateo Jasper Ridge Biological Preserve, Stanford University; near boat dock Comment
  RSA15285  Pseudotsuga menziesii C. B. Wolf 1927-4-3 253 San Mateo 1 mile above La Honda. Santa Cruz Mountains Comment
  SEINET11737773  Pseudotsuga menziesii Unknown 1929-1 7286 San Mateo Kings Mountain Comment
  CAS-BOT-BC362024  Psilocarphus tenellus Lewis S. Rose 1933-5-3 33140 San Mateo Montara Comment
  UC635041  Pterostegia drymarioides Herbert L. Mason 1927-4-23 3683 San Mateo along rd. between La Honda and Pescadero Creek Comment
  UCSC003366  Puccinellia Randall Morgan 2001-5-20 3735 San Mateo San Gregorio State Beach, San Mateo County Comment
  CDA36071  Puccinellia maritima Michael Perlmutter 2011-6-15 San Mateo Foster City; Seal Slough. 0 Comment
  RSA195549  Pyracantha angustifolia John H. Thomas 1960-7-5 8809 San Mateo Near intersection of Canada road and Edgewood Road, 4 miles Westward from Redwood City. 91 Comment
  JROH3755  Pyracantha fortuneana John H. Thomas 1967-6-1 12975 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA181251  Pyracantha koidzumii John H. Thomas 1963-10-4 10268 San Mateo Along Bayshore Freeway about 1/2 mile SE of its intersection with HIllsdale Blvd. Comment
  RSA0082793  Pyrola aphylla S. S. Tillett, I. Sternback 1956-6-24 532 San Mateo Middleton property, behind (n.) Portola Camp Store, just outside Portol State Park. 396 Comment
  SEINET8229663  Pyrola aphylla A. D. E. Elmer 1903-1 4297 San Mateo Pescadero. Comment
  CAS-BOT-BC105390  Quercus Ned Cahill 1974-4-23 158 San Mateo near the inteersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JROH2537  Quercus X jolonensis Lucile Roush 1917-10-9 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC105387  Quercus X morehus W. R. Dudley 1904-4-10 s.n. San Mateo Santa Cruz Mountain Peninsula, junction of Alpine and Great Round road, in a few yards E of junction of Corte Madera & Comment
  CAS-BOT-BC61703  Quercus agrifolia W. R. Dudley 1894-11-2 s.n. San Mateo Woodside road Comment
  CAS-BOT-BC61709  Quercus agrifolia Lewis S. Rose 1964-3-23 64012 San Mateo Emerald Lake, w of Redwood City hills 121 Comment
  UCD45132  Quercus agrifolia Edmond W. Holm 1993-10-20 s.n. San Mateo California, San Mateo Co.; Huddart Park, near Sequoia Picnic Area; on an east-facing slope, with redwoods and bay trees nearby; tree 15-18 ft. tal, with 2 trunks. Comment
  CAS-BOT-BC62305  Quercus chrysolepis William R. Dudley 1894-10-1 s.n. San Mateo Black Mountain Road Comment
  JROH2467  Quercus chrysolepis H. J. Dengler 1973-4-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; gully which drains into Searsville Lake Comment
  JROH2471  Quercus douglasii John H. Thomas 1968-4-19 14296 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM224196  Quercus durata Annetta Carter 1934-10-13 728 San Mateo Long Branch of Isabel Creek, half mile above jct with Isabel Creek, Mt Hamilton Range. 549 Comment
  UCD20292  Quercus durata Paul Heiple 2002-5-18 s.n. San Mateo Edgewood Park near Redwood City. 191 Comment
  SEINET13953377 Image available Quercus durata Lewis S. Rose 1964-1 64068 San Mateo W. of Redwood City; alt. ca. 800 ft. 244 Comment
  CAS-BOT-BC105391  Quercus kelloggii Gertrude Anthony 1904-4-23 s.n. San Mateo Los Troncos Road (Foothills or Valley) Comment
  CAS-BOT-BC105393  Quercus kelloggii Josephine D. Randall 1907-3-9 114 San Mateo Santa Cruz Mountain Peninsula, Searsville Road to Woodside Comment
  CAS-BOT-BC105395  Quercus kelloggii A. D. E. Elmer 1903-5-1 4520 San Mateo Searsville Lake Comment
  JROH2496  Quercus kelloggii A. D. E. Elmer 1903-5-1 4520 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake Comment
  LA205320  Quercus kelloggii David D. Keck; 1932-3-6 1395 San Mateo Santa Cruz Mountains, La Honda road above Searsville Lake Comment
  UCD46744  Quercus kelloggii Edmond Holm 1993-10-20 s.n. San Mateo (Q. parvula Greene var. shrevei (Muller) Nixon. California, San Mateo Co.; Huddart Park, near Miwok Picnic Area. Comment
  CAS-BOT-BC62887  Quercus lobata W. R. Dudley s.n. San Mateo Santa Cruz Island Comment
  JROH2515  Quercus lobata Josephine D. Randall 1907-3-9 130 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Road to Woodside Comment
  UCSB34854  Quercus lobata Gropp, K. 1959-4-8 San Mateo 2 Frederick Court, Menlo Park, front yard Comment
  CAS-BOT-BC134777  Quercus wislizeni Arthur Menzies 1962-2-25 s.n. San Mateo San Bruno Mt. Comment
  CAS-BOT-BC134794  Quercus wislizeni H. L. Mason 1929-12-1 s.n. San Mateo Swanton Comment
  JROH2529  Quercus wislizeni var. frutescens Toni Corelli 2007-1-31 337 b San Mateo Jasper Ridge Biological Preserve, Stanford University; along Trail 9 140 Comment
  JROH1199  Rafinesquia californica John H. Thomas 1965-5-12 10645 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM268420  Ranunculus californicus Lyman Benson 1931-3-15 s.n. San Mateo Emerald Lake; Redwood City; Mt. Range: Santa Cruz 152 Comment
  RSA399414  Ranunculus californicus L. S. Rose 1935-4-16 35097 San Mateo Emerald Lake, W of Redwood City Comment
  UC135552  Ranunculus californicus C. F. Baker 1902-4-12 504 San Mateo San Gregorio; hills along coast Comment
  UC511360  Ranunculus californicus Lyman Benson 1930-3-20 1953 San Mateo South San Francisco San Francisco Bay Watershed 91 Comment
  POM268422  Ranunculus californicus Arthur L. Cohen 1935-4-21 619 San Mateo Jasper Ridge, San Francisquito Creek. 122 Comment
  RSA15247  Ranunculus californicus Carl B. Wolf 1927-2-19 208 San Mateo Spring Valley, on Belmont to Halfmoon Bay road Comment
  CAS-BOT-BC378550  Ranunculus californicus var. californicus Paul F. Covel 1937-4-15 644 San Mateo Hgwy no. Half Moon Bay Comment
  RSA15339  Ranunculus californicus var. cuneatus Carl B. Wolf 1927-1-29 s.n. San Mateo Pebble Beach, along bluffs near Beach Comment
  JROH3486  Ranunculus hebecarpus John Hunter Thomas 1985-4-22 23547 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3476  Ranunculus hebecarpus John H. Thomas 1963-4-13 10033 San Mateo Jasper Ridge Biological Preserve, Stanford University. Moist slopes along road near Searsville Lake, near arm of lake. Comment
  JROH3500  Ranunculus muricatus John Hunter Thomas 1987-5-7 24262 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM148954  Ranunculus muricatus A. D. E. Elmer 1903-06 4661 San Mateo San Pedro. Comment
  JROH3495  Ranunculus muricatus John Hunter Thomas 1978-4-22 19105 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA3486  Ranunculus trilobus P. Greer 2002-4-17 s.n. San Mateo Highway 101, in Half Moon Bay. 0 Comment
  SJSU1605  Rhamnus alaternus C. D. Duncan 1955-2-17 San Mateo residence, Menlo Park Comment
  POM283043  Rhamnus californica Lyman Benson 1928-12-4 770 San Mateo Lake Searsville, Stanford, Santa Cruz, San Francisco Bay 152 Comment
  JROH3559  Rhamnus crocea John H. Thomas 1963-3-20 10029 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Westridge end of ridge. Comment
  POM243722  Rhamnus crocea Carl B. Wolf 1928-3-16 1540 San Mateo Jasper ridge, near Searsville Lake Comment
  RSA178656  Rhamnus crocea John H. Thomas 1964-4-19 10311 a San Mateo Jasper Ridge Biological experimental area, 5 miles SW of Palo Alto. Comment
  RSA20326  Rhamnus crocea Carl B. Wolf 1929-5-17 3717 San Mateo 1 mile W of Skyline Drive on Alpine Road. Comment
  CAS-BOT-BC389740  Rhododendron occidentale J. Lovelle 1973-7-29 33 San Mateo Pescadero Creek Comment
  JROH2632  Ribes aureum var. gracillimum D. E. Breedlove 1971-5-31 19354 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  SEINET12215220  Ribes aureum var. gracillimum Cummings, McCallum, G. A. 1933-1 s.n. San Mateo Stevens Creek Comment
  JEPS49318  Ribes californicum W. L. Jepson 1922-3-19 9543 San Mateo Lake San Andreas 182 Comment
  CAS-BOT-BC92997  Ribes californicum var. californicum Lewis S. Rose 1933-6-9 33226 San Mateo Belmont. Comment
  CAS-BOT-BC173081  Ribes divaricatum var. pubiflorum A. D. E. Elmer 1903-5-1 4511 San Mateo Searsville Lake Comment
  CAS-BOT-BC173087  Ribes divaricatum var. pubiflorum L. R. A. 1904-4-10 s.n. San Mateo East of Crystal Springs Reserv. Comment
  UC1736497  Ribes divaricatum var. pubiflorum Dean W. Taylor 1989-4-18 10219 San Mateo Montara Mountain; ridgetop between Ox Hill and Scarper Peak 472 Comment
  CAS-BOT-BC173090  Ribes divaricatum var. pubiflorum W. R. Dudley 1895-2-23 s.n. San Mateo Above last bridge on San Francisquito Cr. near Stanford University Comment
  CAS-BOT-BC173479  Ribes malvaceum Margaret A. Barry 1938-1-23 23 San Mateo North slope on Coal Mine Ridge Comment
  LA205482  Ribes malvaceum Lillian Lockwood; 1908-3-9 sn San Mateo Coal Mine Ridge Comment
  SJSU279  Ribes malvaceum H. W. Marion 1936-3-8 San Mateo 0.25 mi E of Searsville L, near Stanford Univ Comment
  UC202806  Ribes malvaceum A. D. E. Elmer March 1903 4750 San Mateo Portola Comment
  CAS-BOT-BC173478  Ribes malvaceum L. R. Abrams 1904-1-18 58 San Mateo Hills near Stanford Univ. 213 Comment
  JROH2661  Ribes malvaceum var. malvaceum J. H. Thomas 1959-1-17 7513 San Mateo Jasper Ridge Biological Preserve, Stanford University 152 Comment
  JROH2665  Ribes malvaceum var. malvaceum Carol Zabel 1989-3-5 6 San Mateo Jasper Ridge Biological Preserve, Stanford University. Diagonal trail between Trail 14 and Trail 8. Comment
  CAS-BOT-BC212816  Ribes menziesii Roxana S. Ferris 1920-4-23 1950 San Mateo Strawberry Bend, El Corte de Madera Creek 121 Comment
  CAS-BOT-BC212819  Ribes menziesii L. R. Abrams 1916-4-22 5580 San Mateo Pilarcitos Canyon, near the little upper lake Comment
  CAS-BOT-BC212828  Ribes menziesii Peter H. Raven 1952-4-6 3984 San Mateo 1 mile s. of Sharp Park Comment
  CAS-BOT-BC212829  Ribes menziesii F. V. Coville 1952-4-6 223 San Mateo North-facing slope of Tunitas Creek, on the bend west of the highway bridge Comment
  RSA0021788  Ribes menziesii D. D. Keck 1932-3-6 1397 San Mateo Near La Honda, Santa Cruz Mountains. 200 Comment
  SEINET12220270  Ribes menziesii Unknown 1932-1 8946 San Mateo Los Francos Woods Comment
  CDA34444  Ribes sanguineum M. Beyers, Z. Bakman, L. Feely, & D. Sozanni 2011-4-4 874 San Mateo Pacifica: San Pedro Valley County Park, along Brooks Creek Trail. 148 Comment
  SEINET13942784 Image available Ribes sanguineum Lewis S. Rose 1955-1 55041 San Mateo Kings Mountain, alt 2000 ft 610 Comment
  CAS-BOT-BC144631  Ribes sanguineum var. glutinosum Lewis S. Rose 1931-1-25 s.n. San Mateo Belmont Comment
  CAS-BOT-BC144633  Ribes sanguineum var. glutinosum C. F. Baker 1902-1-15 241 San Mateo West side of King's Mt. Comment
  CAS-BOT-BC144637  Ribes sanguineum var. glutinosum W. R. Dudley 1894-3-23 s.n. San Mateo Canada Creek, near La Honda Comment
  CAS-BOT-BC144646  Ribes sanguineum var. glutinosum W. R. Dudley 1904-3-1 62 San Mateo Corte de Madera Creek, Santa Cruz Mts. Comment
  CAS-BOT-BC144648  Ribes sanguineum var. glutinosum Reed C. Rollins 1941-2-22 2936 San Mateo wooded slope, Coast Range, about 10 miles northwest of Palo Alto 152 Comment
  JROH2687  Ribes sanguineum var. glutinosum Carol Zabel 1989-3-29 7 San Mateo Jasper Ridge Biological Preserve, Stanford University. Leonard's bridge (old Corte Madera Creek bridge). Comment
  RSA0019092  Ribes sanguineum var. glutinosum Ray Langham 1966-4-3 133 San Mateo King s Grove. 10 miles SE of La Honda. Santa Cruz Mountains. Pacific drainage area. 229 Comment
  RSA0019113  Ribes sanguineum var. glutinosum L. R. Abrams, W. W. Eggleston 1924-3-23 19562 San Mateo Coast Range, near Palo Alto. 60 Comment
  CAS-BOT-BC168727  Ribes victoris Eric Walther 1919-6-9 s.n. San Mateo Woodside Comment
  POM87702  Rigiopappus leptocladus L. R. Abrams 1902-5-4 2401 San Mateo Woodside. Comment
  RSA8343  Rigiopappus leptocladus L. S. Rose 1933-4-30 33130 San Mateo Redwood City Comment
Read comments
Jul 24 2013
  CAS-BOT-BC341024  Robinia pseudoacacia J. H. Thomas 1960-6-8 8774 San Mateo Road bank between Stanford and Searsville Lake along Sand Hill Road Comment
  UC107586  Romanzoffia californica C. F. Baker 1902-4-6 463 San Mateo Crystal Springs Lake; ; Crystal Springs Lake, San Mateo Co. Comment
  UC881303  Romanzoffia californica L. R. Abrams 1916-4-22 5582 San Mateo at the little upper lake Pilarcitos Canyon; Santa Cruz Mt.Peninsula, Pilarcitos Canyon Comment
  POM65642  Romanzoffia californica L. R. Abrams 1916-4-22 5582 San Mateo Pilarcitos Canyon at the little upper lake; Santa Cruz Mountain Peninsula. Comment
  RSA0110964  Romanzoffia californica L. R. Abrams 1915-3-23 5568 San Mateo Crystal Springs - San Mateo Road on rocky bluff. Comment
  UC10721  Rorippa curvisiliqua Alice Eastwood 1896-4-1 San Mateo between Crystal Springs and Millbrae; bet. Crystal Springs and Millbrae Comment
  CAS-BOT-BC74651  Rorippa curvisiliqua W. R. Dudley 1909-10-31 s.n. San Mateo Santa Cruz Mountain Peninsula. Woodside Valley Ponds. Comment
  CAS-BOT-BC74652  Rorippa curvisiliqua George Oberlander 1949-7-30 315 San Mateo San Francisco Watershed Reserve. Along Pilarcitos Creek. Comment
  CAS-BOT-BC146355  Rosa J. Ed. McClellan; Bonnie McClellan 1968-6-1 s.n. San Mateo Butano Fire Trail between Cloverdale Rd. & west boundary of Butano State Park Comment
  CAS-BOT-BC147619  Rosa californica C. B. Wolf 1931-8-20 2327 San Mateo Los Trancos Creek, 2 miles back of Stanford University, near Schenkel's Camp 91 Comment
  CAS-BOT-BC147626  Rosa californica George Oberlander 1949-8-20 370 San Mateo Pilarcitos Canyon Comment
  CAS-BOT-BC147629  Rosa californica Walter Knight; Irja Knight 1967-6-6 2068 San Mateo Overlooking San Francisco Bay. Point San Bruno Comment
  RSA3085  Rosa californica Carl B. Wolf 1931-8-20 2327 San Mateo Los Trancos Creek, 2 miles back of Stanford University, near Schenkel's Camp. 91 Comment
  CAS-BOT-BC146692  Rosa gymnocarpa Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo Romanzoffia Ravine Comment
  CAS-BOT-BC152871  Rubus parviflorus Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo Above the quarry - San Bruno Mountain Comment
  CAS-BOT-BC152873  Rubus parviflorus Mrs. C. H. Thompson 1904-4-23 s.n. San Mateo Goat Ranch Road, near Corte Madera - Santa Cruz Mountain Peninsula 243 Comment
  JROH3770  Rubus parviflorus John H. Thomas 1970-5-16 15632 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC156771  Rubus spectabilis A. D. E. Elmer 1903-5-1 4788 San Mateo Spanishtown Comment
  UCR51532  Rubus spectabilis var. franciscanus R. Ascanio 1988-4-17 s.n. San Mateo E on Gazo Creek Road off Hwy 1, c. 2 mi. north of Ano Nuevo State Reserve 85 Comment
  CAS-BOT-BC157070  Rubus ursinus Alice Eastwood; John Thomas Howell 1938-6-26 6055 San Mateo Near Pescadero Comment
  CAS-BOT-BC157071  Rubus ursinus L. R. Abrams 1914-10-14 5128 San Mateo [Tunitos Canon] Tunitas Canyon 121 Comment
  CAS-BOT-BC157073  Rubus ursinus John H. Thomas 1963-5-20 10129 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  CAS-BOT-BC157075  Rubus ursinus J. Clausen 1948-5-9 2081 San Mateo Tunitas Creek road 121 Comment
  CAS-BOT-BC157084  Rubus ursinus C. F. B. 1902-1-15 246 San Mateo West side King's Mountain Comment
  CAS-BOT-BC157110  Rubus ursinus John Thomas Howell 1938-6-4 13888 San Mateo Burlingame Comment
  JROH3779  Rubus ursinus John H. Thomas 1977-4-29 18574 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC861859  Rubus ursinus R. A. Kocher 1908-4-25 San Mateo near Stanford University (San Francisquito Creek above Rock Quarry); Santa Cruz Mountain Peninsula, San Francisquito Creek 121 Comment
  UCSC007775  Rubus ursinus Becky Hendricks, Shayne Coppedge 2012-5-18 s.n. San Mateo Ano Nuevo State Park Comment
  POM139627  Rubus vitifolius A. D. E. Elmer 1903-06 4664 San Mateo Crystal Springs Lake. Comment
  SD1201  Rumex acetosella U. S. Grant IV 1925-6-5 San Mateo San Mateo Comment
  JROH5665  Rumex conglomeratus John Rawlings 2014-8-12 1273 San Mateo Jasper Ridge Biological Preserve, Stanford University; dry San Francisquito Creek, between low flow crossing and downstream serpentine outcrop 79 Comment
  CAS-BOT-BC421824  Rumex conglomeratus Josephine D. Randall 1907-7-24 290 San Mateo Santa Cruz Peninsula. Near Crystal Springs Lake Comment
  UCSC007778  Rumex crassus Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  JROH5595  Rumex crispus John Rawlings 2013-6-13 1189 San Mateo Jasper Ridge Biological Preserve, Stanford University. West end of the shallow depression known as the Semaphore Grass Meadow. 122 Comment
  CAS-BOT-BC433822  Rumex pulcher George Oberlander 1949-7-30 342 San Mateo San Francisco Watershed Reserve. Upper Crystal Spr. Lake Comment
  JROH3311  Rumex pulcher John Hunter Thomas 1988-5-25 24490 San Mateo Jasper Ridge Biological Preserve, Stanford University. Road near low flow crossing. Comment
  SD38936  Rumex salicifolius Edith A. Purer 1933-7-27 5357 San Mateo High stabilized sand dunes, Pigeon Point Comment
  UC1191281  Rumex salicifolius var. transitorius Herbert L. Mason and Verne Grant 1946-8-28 13080 San Mateo n of San Francisco county prison Comment
  JROH2218  Rupertia physodes John Hunter Thomas 1980-4-10 19865 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC311105  Rupertia physodes A. D. E. Elmer June, 1903 4270 San Mateo Crystal Springs Lake Comment
  UCD23435  Rupertia physodes Alan T. Whittemore 1976-5-31 135 San Mateo Alpine Road, near east end of Corte Madera Creek Trail. Mixed evergreen forest. Sequoia in sheltered spots. Acer, Quercus and Alnus in open areas and by stream. Flowers past, originally purple. Trailing on forest floor. Foliage with somewhat unpleasant odor. Comment
  UC1109006  Ruppia cirrhosa H. E. Parks Oct 1928 San Mateo Laguna Salada Comment
  UC583143  Ruppia maritima Lewis S. Rose 1936-9-6 36724 San Mateo Granada 1 Comment
  JROH1711  Sagina apetala John H. Thomas 1961-4-8 9073 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1720  Sagina apetala John Hunter Thomas 1978-4-25 19145 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET4174272  Salicornia virginica G. E. Sindel 1935-7-25 303 San Mateo Mouth of Pescadero Creek Comment
  OBI75779  Salix exigua Lewis S. Rose 1965-3-8 65003 San Mateo Searsville Lake 122 Comment
  UCD110944  Salix exigua Lewis S. Rose 1965-3-8 65003 San Mateo Searsville Lake. 121 Comment
  JROH3851  Salix exigua var. hindsiana John Hunter Thomas 1988-4-28 24414 San Mateo Jasper Ridge Biological Preserve, Stanford University. Causeway Comment
  OBI9815  Salix lasiandra Lewis S. Rose 1965-3-8 65002 San Mateo Searsville Lake 122 Comment
  CAS-BOT-BC125380  Salix lasiandra var. lasiandra J. Ed. McClellan; Bonnie McClellan 1976-4-1 s.n. San Mateo Princeton Comment
  JROH3868  Salix lasiandra var. lasiandra W. R. Dudley 1903-4-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Searsville below the bridge Comment
  JROH3880  Salix lasiandra var. lasiandra John Hunter Thomas 1985-4-25 23557 San Mateo Jasper Ridge Biological Preserve, Stanford University. Causeway Comment
  SJSU7516  Salix lasiandra var. lasiandra Lewis S. Rose 1965-3-8 65002 San Mateo Searsville Lake 121 Comment
  RSA119073  Salix lasiolepis L. S. Rose 1958-3-19 58009 San Mateo Princeton. 6 Comment
  CAS-BOT-BC107249  Salix lasiolepis var. bigelovii Peter Rubtzoff; Patricia Fallon 1987-8-26 9842 San Mateo San Bruno Mountains, Saddle area on north side of Guadelupe Canyon, Parkway west of Radio Road junction; northwestern part of the area along old Guadelupe Road, Upper part of East Fork Colma Creek canyon. Comment
  CAS-BOT-BC108258  Salix lasiolepis var. bigelovii John H. Thomas 1974-5-7 17316 San Mateo San Bruno Mountain - along Guadalupe Parkway opposite school. Western side of mountain. Comment
  CAS-BOT-BC108259  Salix lasiolepis var. bigelovii Walter Knight; Irja Knight 1964-3-16 s.n. San Mateo San Bruno Point - San Bruno Mountain Comment
  CAS-BOT-BC108261  Salix lasiolepis var. bigelovii C. R. Ball; G. W. Hendry 1931-2-22 15 San Mateo In arroyo near San Gregoio Creek, 100 m. from ocean. Near sea level. Comment
  RSA119045  Salix lucida subsp. lasiandra L. S. Rose 1958-3-19 58013 San Mateo Princeton. 6 Comment
  SBBG32452  Salix lucida subsp. lasiandra L. S. Rose 1965-3-8 65002 San Mateo Searsville Lake 121 Comment
  CAS-BOT-BC126514  Salix sitchensis Lewis S. Rose 1964-3-14 64006 San Mateo Princeton 6 Comment
  POM281028  Salix sitchensis Lyman D. Benson 1935-5-7 6545 San Mateo Stanford University. Corte Madera Creek. Santa Cruz mtn range. San Francisco Bay watershed. 152 Comment
  UC306640  Salix sitchensis A. D. E. Elmer May, 1903 4917 San Mateo Portola Comment
  CAS-BOT-BC180793  Salsola soda John H. Thomas 1968-12-7 14860 San Mateo Western end of Dumbarton Bridge Comment
  CAS-BOT-BC180795  Salsola soda John H. Thomas 1974-10-6 17615 San Mateo Palo Alto Yacht Harbor near airport. Altitude about sea level. Comment
  CDA3228  Salsola soda T. C. Fuller 1969-6-12 18550 San Mateo West end of Dumbarton Bridge, Menlo Park. 0 Comment
  RSA681662  Salvia apiana Annuschka Deb 1989-8-18 s.n. San Mateo YBN [Yerba Buena Nursery] Demonstration Garden, Woodside Comment
  SJSU5408  Salvia officinalis A. J. Cortopassi 1959-5-9 San Mateo 2319 Hillside Dr, Burlingame Comment
  JEPS62786  Salvia spathacea W. L. Jepson 1921-4-3 9107 San Mateo Colma Canyon Comment
  RSA185018  Salvia spathacea L. S. Rose 1965-5-3 65059 San Mateo San Bruno Mountain, Colma Canyon. 61 Comment
  POM46693  Sambucus callicarpa L. R. Abrams 1916-3-26 5589 San Mateo Road between San Mateo and Half-Moon Bay Comment
  POM46725  Sambucus microbotrys A. D. E. Elmer 1903-05 4663 San Mateo Butano Creek Comment
  JROH1669  Sambucus nigra subsp. caerulea John H. Thomas 1963-6-23 10171 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  OBI4270  Sambucus nigra subsp. caerulea Lewis S. Rose 1966-8-15 66084 San Mateo Pulgas Water Temple 91 Comment
  CAS-BOT-BC236458  Sambucus racemosa subsp. racemosa A. D. E. Elmer 1903-6-1 5080 San Mateo Butano Creek Comment
  CAS-BOT-BC236459  Sambucus racemosa subsp. racemosa A. D. E. Elmer 1903-5-1 4663 San Mateo Butano Creek Comment
  CAS-BOT-BC236461  Sambucus racemosa subsp. racemosa Roxana S. Ferris 1921-3-20 2112 San Mateo Pescadero Creek near mouth of canyon, Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC236465  Sambucus racemosa subsp. racemosa J. H. Thomas 1949-6-4 596 San Mateo 1 mile E. of Pescadero Comment
  UC204057  Sambucus racemosa var. racemosa A. D. E. Elmer May, 1903 4663 San Mateo Butano Creek Comment
Read comments
Sep 6 2011
  UC204143  Sambucus racemosa var. racemosa A. D. E. Elmer June, 1903 5080 San Mateo Butano Creek Comment
  CAS-BOT-BC223317  Sanicula bipinnatifida A. D. E. Elmer 1903-4-1 4817 San Mateo Lake San Andreas Comment
  CAS-BOT-BC223320  Sanicula bipinnatifida Ned Cahill 1974-4-30 215 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC223323  Sanicula bipinnatifida A. D. E. Elmer 1903-4-1 4817 San Mateo Lake San Andreas Comment
  CAS-BOT-BC223325  Sanicula bipinnatifida H. A. Dutton 1900-2-11 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  RSA40105  Sanicula bipinnatifida L. S. Rose 1948-3-31 48033 San Mateo Skyline Blvd. above San Andreas Lake. 152 Comment
  JROH327  Sanicula crassicaulis D. D. Davis 1903-4-10 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; north slope Searsville Ridge Comment
  JROH328  Sanicula crassicaulis Ynez Henderson 1920-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lake Comment
  UCR121545  Sanicula crassicaulis George K. Helmkamp, E. A. Helmkamp 1999-6-28 4963 San Mateo Coast Range; Santa Cruz Mtns, Sky Londa; junction of Calif. Hwy 84 and Calif. Hwy 35, 5 mi south of central Redwood City 457 Comment
  POM283189  Satureja douglasii Lyman Benson 1931-5-10 s.n. San Mateo Santa Cruz Mountains; Above Woodside, on Kings Mountain Road. 457 Comment
  RSA320754  Schedonorus arundinaceus Robert A. Norris 1984-5-9 4729 San Mateo By Olivet Memorial Park Throughway, Colma. Comment
  CAS-BOT-BC218936  Schinus molle John H. Thomas 1960-6-25 8788 San Mateo Redwood City. Along or near a small creek running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street 7 Comment
  CAS-BOT-BC111415  Schoenoplectus acutus var. occidentalis Rimo Bacigalupi 1922-5-25 s.n. San Mateo Emerald Lake, Redwood City Comment
  JROH4412  Schoenoplectus acutus var. occidentalis W. R. Dudley 1909-10-31 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake Comment
  HSC7526  Schoenoplectus americanus R. E. Jones 1966-4-4 22 San Mateo Ano Nuevo Beach Comment
  UC75027  Scirpus cernuus Dr. E. B. Copeland 1903-6-15 3315 San Mateo Montara Point Comment
  SEINET3914303  Scirpus cernuus var. californicus Lewis S. Rose 1948-12-3 48242 San Mateo Ocean Shore Blvd., 6 mi. S of San Francisco Co. line.; 0 Comment
  CDA19091  Scirpus maritimus J. Beall 2001-4-24 PDR 064435 San Mateo Belmont Creek at Old Country Rd., Belmont. 0 Comment
  JROH5856  Scirpus microcarpus John Rawlings, Carol Zabel 2006-6-12 0906 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 12. Section 31B5 106 Comment
  UC1100838  Scirpus microcarpus Herbert L. Mason, Verne Grant 1946-8-28 13093 San Mateo on Highway 5 one mi w of San Bruno between Santa Cruz and Daly City; w of San Bruno Comment
  RSA139348  Scoliopus bigelovii Lewis S. Rose 1964-2-6 64000 San Mateo Kings Mountain 610 Comment
  UC311083  Scoliopus bigelovii A. D. E. Elmer March, 1903 4559 San Mateo King's Mt. Comment
  CAS-BOT-BC519002  Scoliopus bigelovii Elmer I. Applegate 1895-3-9 737 San Mateo Above Woodside Comment
  RSA299412  Scoliopus bigelovii Inez Smith 1915-03 s.n. San Mateo Hillsboro. Comment
  SEINET12055152  Scoliopus bigelovii L. R. Abrams 1904-1 s.n. San Mateo Bear Gulch, Santa Cruz Mountains Comment
  CDA7623  Scolymus hispanicus T. C. Fuller 1965-7-8 13755 San Mateo D. McBryde property, 140 Eleanor Drive, Woodside. 0 Comment
  JROH5459  Scribneria bolanderi John H. Thomas 1980-5-1 19912 San Mateo Jasper Ridge Biological Preserve, Stanford University; Road D Comment
  CHSC39825  Scrophularia californica Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  JROH2890  Scutellaria tuberosa John Hunter Thomas 1992-4-23 25161 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Rattlesnake Rocks and along trail to redwoods Comment
  JROH5752  Scutellaria tuberosa L. Nordby 1982-5-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Oak woodland just west of the serpentine grasslands on the top of Jasper Ridge Comment
  CAS-BOT-BC59062  Sedum spathulifolium H. L. Mason 1921-7-1 s.n. San Mateo Pescadero Creek Comment
  UC789323  Sedum spathulifolium A. D. E. Elmer June 1903 4550 p.p. San Mateo toward San Mateo from Crystal Springs Lake; Toward San Mateo from Crystal Springs Lake Comment
  CAS-BOT-BC59061  Sedum spathulifolium G. B. Rossbach 1939-6-18 756 San Mateo Ledge near 755 on SE slope of North Peak, Montara Mts. 396 Comment
  CAS-BOT-BC363382  Senecio aronicoides John H. Thomas 1965-4-29 10610 San Mateo San Bruno Mountain in northern part of county 396 Comment
  UC311548  Senecio aronicoides A. D. E. Elmer May 1903 4508 San Mateo San Bruno Hills Comment
  CAS-BOT-BC365647  Senecio elegans Philip Wheeler 1965-6-16 s.n. San Mateo San Bruno Mountain. East end of Colma Canyon Comment
  JROH685  Senecio minimus Toni Corelli 2006-8-16 323 San Mateo Jasper Ridge Biological Preserve, Stanford University. South of Road B, below Dennis Martin marker site 70 Comment
  JEPS27356  Senecio sylvaticus Rimo Bacigalupi with Jim Roof and L. R. Heckard 1961-4-24 7617 San Mateo shoulder of spur facing almost due e KQED radio tower and power station; Summit of San Bruno Mountain 350 Comment
  JROH1228  Senecio vulgaris John Hunter Thomas 1982-11-6 21197 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET5571340  Senecio vulgaris H. S. Gentry 1931-1 96 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  CAS-BOT-BC85783  Sequoia sempervirens unspecified 1901-1-26 s.n. San Mateo Santa Cruz Peninsula, Coal Mine [Canon] Canyon Comment
  JROH134  Sequoia sempervirens John H. Thomas 1964-11-29 10542 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  MACF019653  Sequoia sempervirens Barbara Gittins 1975-11-30 San Mateo Hwy. 1, 15 mi. N. Watsonville, San Mateo County, California Comment
  CDA2435  Setaria parviflora I. J. Campbell 1958-8-12 1015 San Mateo Redwood City. 0 Comment
  SJSU10484  Setaria viridis S. H. Casey 1975-6-14 490 San Mateo by residence, SW Redwood City Comment
  JROH3826  Sherardia arvensis John H. Thomas 1955-5-6 4996 San Mateo Jasper Ridge Biological Preserve, Stanford University. Small draw on south side of ridge. 182 Comment
  RSA295088  Sherardia arvensis Robert A. Norris 1981-4-7 4124 San Mateo Near small paved road. Vista Point near Interstate Hwy 280. Ca 1.5 miles SE of jct with State Hwy 92. Comment
  POM223278  Sidalcea diploscypha L. S. Rose 1935-6-9 35211 San Mateo Emerald Lake, W. of Redwood City Comment
  RSA40293  Sidalcea diploscypha L. S. Rose 1948-5-16 48117 San Mateo Emerald Lake, west of Redwood City. 152 Comment
  UC583163  Sidalcea diploscypha Lewis S. Rose 1936-5-28 36300 San Mateo w Redwood City (Emerald Lake); , w of Redwood City 91 Comment
  RSA8253  Sidalcea diploscypha Elmer I. Applegate 1895-5-11 56 San Mateo Hills above Stanford University. [county not specified] Comment
Read comments
Dec 13 2015
  UCSB18185  Sidalcea malviflora Muirhead, M. 1964-4-17 San Mateo On Crocker Estate, Hillsborough 91 Comment
  POM282902  Sidalcea malviflora subsp. malviflora Lyman Benson 1930-4-6 2044 San Mateo Moss Beach. West slope. 15 Comment
  CHSC39826  Sidalcea malviflora subsp. purpurea Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
Read comments
Aug 5 2010
  CAS-BOT-BC386853  Silene gallica John H. Thomas 1961-5-7 9309 San Mateo San Bruno Mountain in northern part of county 396 Comment
  RSA477893  Silene gallica Glenn A. Gorelick 1967-4-14 s.n. San Mateo San Bruno Mts. overlooking Daly City near San Francisco. Comment
  UCR121568  Silene gallica George K. Helmkamp, E. A. Helmkamp 1999-6-28 4994 San Mateo Pescadero Creek Watershed, Bean Hollow Road 0.3 mi south of Pescadero Road (SW of Pescadero). Slopes above Butano Creek 61 Comment
  CAS-BOT-BC386850  Silene gallica Javier Penalosa 1963-3-9 2696 San Mateo San Bruno Mountain. Ravine 1/2 mi. east of 1314ft. summit. 304 Comment
  CAS-BOT-BC386855  Silene gallica John H. Thomas 1963-5-20 10132 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz. Comment
  JROH1737  Silene gallica John Hunter Thomas 1982-5-18 20930 San Mateo Jasper Ridge Biological Preserve, Stanford University; along road along SLAC fence near low-flow crossing Comment
  CAS-BOT-BC389199  Silene laciniata subsp. californica Josephine D. Randall 1907-7-24 30 San Mateo Santa Cruz Peninsula. Near Crystal Springs Lake Comment
  JROH1729  Silene laciniata subsp. californica John Hunter Thomas 1989-6-17 24775 San Mateo Jasper Ridge Biological Preserve, Stanford University; near San Francisquito Creek Comment
  CAS-BOT-BC389198  Silene laciniata subsp. californica Brandegee No date on label s.n. San Mateo Crystal Springs Comment
  RSA477822  Silene scouleri Glenn A. Gorelick 1967-5-12 s.d. San Mateo San Bruno Mts; overlooking Daly City near San Francisco. Comment
  JEPS83066  Silene scouleri subsp. grandis Roy E. Buck, Randall A. Morgan, James A. West 1983-7-23 447 San Mateo ca 1.4 km w San Andreas Dam (on sw-facing slope above last curve in gravel ridge rd before intersection above San Andreas Dam, n end Sawyer Ridge); San Francisco Watershed Reserve, n end Sawyer Ridge 312 Comment
  JROH1231  Silybum marianum John H. Thomas 1967-5-31 12931 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM193639  Sisyrinchium bellum Le Roy Abrams 1902-4-13 2327 San Mateo San Andreas Lake. Comment
  RSA18455  Sisyrinchium bellum Carl B. Wolf 1927-6-29 552 San Mateo South of Pebble Beach near Pescadero Comment
  SD227685  Sisyrinchium bellum G. K. Helmkamp, E. A. Helmkamp 1998-5-16 3746 San Mateo Portola Valley: Golden Hills Rd along Los Trancos Creek. 106 Comment
  SEINET4171036  Sisyrinchium bellum Unknown 1925-3-17 San Mateo Burlingame Comment
  UCD138851  Sisyrinchium bellum R. S. Woglum 1935-5-24 1154 San Mateo San Francisco area, Skyline Drive south to Big Basin. Comment
  UC1032495  Sisyrinchium californicum H. S. Yates 1935-3-8 5218 San Mateo 2 mi sw of Pescadero 60 Comment
  RSA790890  Sisyrinchium californicum Peter Rubtzoff 1975-5-21 7969 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction Comment
  RSA377730  Smilacina stellata var. sessilifolia Lewis S. Rose 1937-3-20 37005 San Mateo Moist Hills, Skyline Blvd. W. of Tanforan. 183 Comment
  JROH4176  Solanum americanum John H. Thomas 1976-10-16 18413 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along or near San Francisquito Creek from the low flow crossing to the vicinity of the old fire place ruins downstream Comment
  JROH4182  Solanum americanum John Hunter Thomas 1991-11-21 25102 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH6178  Solanum americanum John Rawlings 2017-10-3 2302 San Mateo Jasper Ridge Biological Preserve, Stanford University. Corte Madera Creek 111 Comment
  JEPS12105  Solanum douglasii W. I. Follett 1934-2-18 10 San Mateo 2.6 mi n of Pigeon Point (beside the main highway) Comment
  HSC21333  Solanum furcatum G. L. Stebbins, E. L. Paddock 1939-8-17 57 San Mateo Mussel Rock Comment
  RSA202892  Solanum furcatum G. Ledyard Stebbins, E. F. Paddock 1940-9-7 101 San Mateo At Junction of three upper forks of San Pedro Creek, about 100 foot countour level and a mile from the seashore. Comment
  CAS-BOT-BC157630  Solanum umbelliferum Lewis S. Rose 1934-2-10 34024 San Mateo Woodside Comment
  CAS-BOT-BC157631  Solanum umbelliferum B. 1902-1-15 234 San Mateo West side King's Mt. Comment
  JROH4186  Solanum umbelliferum John H. Thomas 1958-2-15 6988 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4191  Solanum umbelliferum John H. Thomas 1975-4-5 17712 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  NY820558  Solanum umbelliferum C. F. Baker 1902-1-15 234 San Mateo West side of King's Mountain Comment
  CAS-BOT-BC156868  Solanum umbelliferum W. R. Dudley 1896-2-16 s.n. San Mateo Glen Gloaming near Peters Cr., Santa Cruz Mts. Comment
  SD27769  Solidago canadensis subsp. elongata Carl B. Wolf 1927-6-29 568 San Mateo on the coast 3 mi. S. of San Gregorio. Comment
  JEPS6048  Solidago spathulata V. F. Hesse 1954-7-30 1341 San Mateo near Pebble Beach 15 Comment
  SEINET9319779  Solidago spathulata Unknown 1948-8-22 121 San Mateo San Vicente Canyon Comment
  CAS-BOT-BC365936  Soliva sessilis J. H. Thomas 1954-6-11 4283 San Mateo About 0.25 miles north of Pigeon Point Light House Comment
  JROH1246  Soliva sessilis John Hunter Thomas 1981-5-19 20612 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC365938  Soliva sessilis R. S. Ferris 1925-5-1 4157 San Mateo Selah Chamberlain Residence, Woodside Comment
  JROH1242  Soliva sessilis John Hunter Thomas 1978-4-25 19147 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA130975  Soliva sessilis W. R. Dudley 1895-6-6 s.n. San Mateo Near Pescadero Creek. The Santa Cruz Peninsula. Comment
  JEPS15054  Sonchus asper L. R. A. 1901-3-16 1144 San Mateo Menlo Park Comment
  CAS-BOT-BC374701  Sonchus oleraceus John H. Thomas 1963-5-20 10112 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  CAS-BOT-BC374703  Sonchus oleraceus Josephine D. Randall 1907-4-27 99 San Mateo Santa Cruz Peninsula. Kings Mt. Comment
  CAS-BOT-BC374707  Sonchus oleraceus Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountain. Horseshoe Ridge Comment
  JROH5586  Sparganium eurycarpum var. eurycarpum John Rawlings 2012-7-9 1201 B San Mateo Jasper Ridge Biological Preserve, Stanford University. Near upper lake (west of Portola Rd.) adjacent to power line right-of-way. 106 Comment
  JROH5520  Sparganium eurycarpum var. eurycarpum L. R. Abrams 1917-10-9 6864 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Ridge Comment
  JROH5529  Sparganium eurycarpum var. eurycarpum John Hunter Thomas 1990-6-7 24866 San Mateo Jasper Ridge Biological Preserve, Stanford University; boat ramp near bridge over the 2 halves of Searsville Lake Comment
  RSA121019  Spartina foliosa J. T. Howell 1956-11-22 31962 San Mateo Redwood City Comment
  JROH1743  Spergula arvensis John Hunter Thomas 1978-4-25 19157 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC390010  Spergula arvensis Elizabeth McClintock 1965-6-13 s.n. San Mateo San Bruno Mountain. Colma Canyon Comment
  CAS-BOT-BC390013  Spergula arvensis Elizabeth McClintock; Walter Knight; Irja Knight 1963-9-2 s.n. San Mateo San Bruno Mountain. Top of ridge above Brisbane Comment
  JROH1763  Spergularia John Hunter Thomas 1983-5-23 22244 San Mateo Jasper Ridge Biological Preserve, Stanford University; along road near shack side and low-flow crossing Comment
  CHSC56977  Spergularia macrotheca Josephine Boyd 1988-5-3 San Mateo On Sand Point in the Menlo Park Baylands at the e end of The Embarcadero, ca 0.5 mi e of the Palo Alto Municipal Airport and 0.3 mi nw of the San Mateo County-Santa Clara County boundary. 4 Comment
  CDA24131  Spergularia macrotheca T. C. Fuller 1967-6-13 15939 San Mateo Half Moon Bay Harbor, north edge of the town of Half Moon Bay. 0 Comment
  CAS-BOT-BC390453  Spergularia macrotheca var. macrotheca J. H. Thomas 1954-5-28 4245 San Mateo Guadalupe Valley, about 2 miles south of San Francisco - San Mateo County line 30 Comment
  CAS-BOT-BC390455  Spergularia macrotheca var. macrotheca J. H. Thomas 1949-6-4 584 San Mateo 1.4 miles S. of road leading to Pescadero Comment
  CAS-BOT-BC390466  Spergularia macrotheca var. macrotheca W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. By grade, south slope Montara Mts. and near the ocean Comment
  CAS-BOT-BC390469  Spergularia macrotheca var. macrotheca David D. Keck 1933-5-11 2297 San Mateo Montara Light House and Radio Station Comment
  CAS-BOT-BC390701  Spergularia rubra Elizabeth McClintock; Walter Knight; Irja Knight 1963-9-2 s.n. San Mateo San Bruno Mountain. Top of ridge above Brisbane Comment
  CAS-BOT-BC390703  Spergularia rubra Philip C. Wheeler 1965-5-17 s.n. San Mateo San Bruno Mountain. In Crocker Hills near the Cow Palace Comment
  RSA128560  Spergularia salina P. H. Raven 1950-5-7 2039 San Mateo Moss Beach. Comment
  UCR240606  Stachys T. B. Salvato, Lia V. D. Mansfield, Joel-Henry J. Mansfield 2008-6-14 3530 San Mateo Central Coast, Pebble Beach State Beach, 12.5 mi north of Santa Cruz Co. line, along Hwy 1, Pacific Coast Hwy, 1.65 mi south of road to Pesacadero and 16 mi south of Half Moon Bay 11 Comment
  RSA131516  Stachys L. R. Abrams 1909-4-27 s.n. San Mateo Near Pulpit Rock. Comment
  RSA446593  Stachys ajugoides E. A. Purer 1933-7-27 5338 San Mateo 2 miles south of Pigeon Point. Comment
  SJSU15219  Stachys ajugoides Toni Corelli 2011-5-21 701 San Mateo Ano Nuevo State Park, Cascade Field 12 Comment
  RSA785891  Stachys ajugoides Peter Rubtzoff 1977-6-21 9067 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CHSC52443  Stachys bullata Sandy Trimble 1987-4-13 19 San Mateo On s side of Hwy. 84, 8.1 mi w of Hwy 1and 7.2 mi e of Hwy 35. 335 Comment
  JROH2899  Stachys bullata John H. Thomas 1971-5-30 15977 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  UCLA71370  Stachys bullata Herbert L. Mason 1927-4-24 3700 San Mateo mouth San Gregorio Creek Comment
  UCR121546  Stachys bullata George K. Helmkamp, E. A. Helmkamp 1999-6-28 4962 San Mateo Coast Range; Santa Cruz Mtns, Sky Londa; junction of Calif. Hwy 84 and Calif. Hwy 35, 5 mi south of central Redwood City 457 Comment
  JROH2904  Stachys bullata John Hunter Thomas 1977-6-16 18809 San Mateo Jasper Ridge Biological Preserve, Stanford University; in Searsville Lake Comment
  POM63312  Stachys bullata A. D. E. Elmer 1903-06 4417 San Mateo San Mateo Comment
  RSA0076206  Stachys bullata Lyman Benson 2804 San Mateo San Francisquito Creek, San Mateo-Santa Clara County line. Stanford University, bed of San Francisquito Creek. 30 Comment
  RSA116743  Stachys bullata L. R. Abrams 1915-6-7 5245 San Mateo Woodside to Crystal Springs Road. Comment
  OBI13463  Stachys pycnantha Lewis S. Rose 1965-8-27 65093 San Mateo Emerald Lake, W of Redwood City 183 Comment
  RSA0109084  Stachys pycnantha A. D. E. Elmer 1903-06 s.n. San Mateo Alpine School House. Comment
  NY415794  Stachys quercetorum A. A. Heller 1907-5-28 8577 San Mateo Above Crystal Springs on the Half Moon Bay road Comment
  CDA41578  Stachys rigida A. Gilbert 1997-6-8 s.n. San Mateo San Francisco Bay Area; La Honda. 0 Comment
  UCD23431  Stachys rigida subsp. rivularis A. Bennett 1977-5-29 39 San Mateo 0.7 miles north of Hayne Rd. intersection with Hwy 35. Collected on steep north facing slope in the shade of coast live oaks. Chaparral and oak woodland. 60 Comment
  CAS-BOT-BC374794  Stebbinsoseris heterocarpa K. L. Chambers 1952-5-24 418 San Mateo 1.2 mi. towards Woodside from Skyline junction of Woodside-La Honda road, (1.2 mi. e. of Skyline Blvd.). [Locality info from collection label and voucher label combined.] Comment
  JROH1786  Stellaria media John Hunter Thomas 1982-3-23 20815 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC394064  Stellaria media C. F. Baker 1902-4-1 492 San Mateo Foothills near Stanford University; Pacific Coast Comment
  JROH1782  Stellaria media John H. Thomas 1976-10-16 18417 San Mateo Jasper Ridge Biological Preserve, Stanford University; along or near San Francisquito Creek from the low flow crossing to the vicinity of the old fire place ruins downstream Comment
  JROH1791  Stellaria nitens John Hunter Thomas 1988-5-16 24462 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1274  Stephanomeria virgata John H. Thomas 1978-9-24 19337 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA223602  Stephanomeria virgata Elizabeth McClintock, Walter Knight, I. Knight 1967-8-1 s.n. San Mateo S side of Ridge Road, about 200 yards S of Parking Lot. San Bruno Mtns. Comment
  JROH5392  Stipa miliacea var. miliacea Ann Lambrecht 2004-7-20 11 San Mateo Jasper Ridge Biological Preserve, Stanford University. Off Trail 13, about 10 m from W end of Leonard's bridge, and about 2 m N of bridge. Comment
  JROH5333  Stipa pulchra John H. Thomas 1963-3-20 10023 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU15947  Stipa pulchra John Rawlings, Ken Hickman 2016-5-26 1823 San Mateo Serpentine seep area up-slope from the Hwy 92 west onramp to Hwy 280 north; down-slope from San Francisco Watershed fence line 122 Comment
  RSA20106  Stuckenia pectinata I. L. Wiggins 1935-6-29 8051 San Mateo Pescadero Creek, about 1 mile west of Pescadero. Comment
  CAS-BOT-BC423016  Stylomecon heterophylla Philip C. Wheeler 1965-5-12 s.n. San Mateo San Bruno Mountain. South Canyon below western power lines. Comment
  CAS-BOT-BC271637  Symphoricarpos albus var. laevigatus C. F. Baker 1901-9-5 238 San Mateo West side Kings Mt. Comment
  CAS-BOT-BC271646  Symphoricarpos albus var. laevigatus Josephine D. Randall 1907-7-23 28 San Mateo Near Crystal Springs Lake, Santa Cruz Peninsula Comment
  JROH1678  Symphoricarpos albus var. laevigatus John H. Thomas 1964-11-29 10540 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below dam Comment
  RSA14209  Symphoricarpos albus var. laevigatus C. B. Wolf 1926-10-19 193 San Mateo Roadside slope, west of La Honda. Comment
  RSA177008  Symphoricarpos albus var. laevigatus John H. Thomas 1964-11-29 10540 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles SW of Palo Alto; along San Francisquito Creek below dam. Comment
  SD4989  Symphoricarpos albus var. laevigatus Ulysses S. Grant IV Jun 1925 San Mateo Near La Honda. Comment
  SEINET5579326  Symphoricarpos mollis H. S. Gentry 1931-1 78 San Mateo 1 mile SE of Holy Cross Cemetery. Comment
  SJSU5659  Symphyotrichum chilense L. S. Rose 1966-8-15 66083 San Mateo Pillar Point 1 Comment
  UC1555382  Symphyotrichum chilense J. A. DeBenedictis 1988-7-13 1542 San Mateo San Bruno Mt. Comment
  CAS-BOT-BC99059  Symphyotrichum chilense Walter Knight; Irja Knight 1963-10-7 321 San Mateo San Bruno Mountain - Cow Trough Ravine, South San Francisco Comment
  CAS-BOT-BC99060  Symphyotrichum chilense Walter Knight; Irja Knight; Elizabeth McClintock 1963-9-2 s.n. San Mateo San Bruno Mountain - West Power Line Ridge at Ridge Road Comment
  CAS-BOT-BC99090  Symphyotrichum chilense W. R. Dudley 1905-9-24 s.n. San Mateo Black Mountain - Santa Cruz Peninsula Comment
  CAS-BOT-BC99097  Symphyotrichum chilense Helen D. Geis 1901-10-25 s.n. San Mateo Crystal Springs to Half Moon Bay Comment
  CAS-BOT-BC99386  Symphyotrichum subspicatum Elizabeth McClintock; Paul Reeberg 1989-8-31 s.n. San Mateo Willow Pond, San Bruno Mountains Comment
  CAS-BOT-BC98362  Symphyotrichum subulatum var. parviflorum John H. Thomas 1968-10-6 14851 San Mateo Vicinity of railroad tracks and Dumbarton Bridge causeway entrance. East of Palo Alto. Comment
  JROH1283  Tanacetum parthenium John Hunter Thomas 1992-5-26 25357 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing Comment
  CAS-BOT-BC376918  Taraxacum officinale Paul Reeberg 1989-5-1 s.n. San Mateo San Bruno Mountains. Junction of Randolph Ave. and Hillside Blvd. Comment
  JROH2998  Taraxia ovata W. R. Dudley 1894-3-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; canada above Searsville Reservoir Comment
  JROH3004  Taraxia ovata John Hunter Thomas 1978-4-25 19148 San Mateo Jasper Ridge Biological Preserve, Stanford University; old parking area Comment
  UCSB11176  Taraxia ovata Connelly, Dianne 1962-4-21 San Mateo above main office of Westhorough homes development; 10 miles north of San Francisco on Highway 5 121 Comment
  JROH374  Tauschia kelloggii John Hunter Thomas 1992-5-25 25347 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH376  Tauschia kelloggii Toni Corelli 2004-3-24 268 San Mateo Jasper Ridge Biological Preserve, Stanford University. Area H 167 Comment
  UC763103  Tauschia kelloggii R. F. Hoover 1941-5-20 5109 San Mateo Redwood City hills Comment
  CAS-BOT-BC447472  Tellima grandiflora A. D. E. Elmer 1903-6-1 4702 San Mateo Pescadero Comment
  UCR122916  Tellima grandiflora George K. Helmkamp, E. A. Helmkamp 2001-6-2 6786 San Mateo San Francisco Bay Region, Purisima Creek Road, east of Half Moon Bay at Purisima Creek, 3.2 miles east of CA Hwy 1 244 Comment
  CAS-BOT-BC447486  Tellima grandiflora J. P. Moore 1878-4-26 s.n. San Mateo Lagunitis Creek Comment
  RSA127726  Tetragonia tetragonoides John H. Thomas 1959-7-8 8015 San Mateo Low moist coastal bluffs at Pescadero Beach. Comment
  CAS-BOT-BC438271  Tetragonia tetragonoides Saichi Kawahara 1969-12-3 1739 San Mateo Mouth of Ana [Ano] Nuevo Creek Comment
  JROH3509  Thalictrum fendleri var. polycarpum D. E. Breedlove 1971-5-31 19373 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  CAS-BOT-BC399850  Thalictrum polycarpum Walter Knight; Irja Knight 1965-4-4 s.n. San Mateo San Bruno Mountain. Bitter Cherry Ravine about 80% of the way to summit Comment
  CAS-BOT-BC399853  Thalictrum polycarpum George Oberlander 1949-4-17 91 San Mateo San Francisco Watershed Reserve. Top Sawyer Ridge Comment
  JROH1599  Thysanocarpus curvipes John Hunter Thomas 1983-4-2 21303 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH1624  Thysanocarpus curvipes John Hunter Thomas 1992-4-4 25129 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH386  Torilis nodosa John Hunter Thomas 1981-5-14 20572 San Mateo Jasper Ridge Biological Preserve, Stanford University; near old shack riders shack Comment
  JROH398  Torilis nodosa John Hunter Thomas 1986-5-17 24047 San Mateo Jasper Ridge Biological Preserve, Stanford University; dam to Rattlesnake Rock Comment
  JROH407  Torilis nodosa John Hunter Thomas 1992-5-14 25224 San Mateo Jasper Ridge Biological Preserve, Stanford University; near boat ramp Comment
  CAS-BOT-BC81494  Torreya californica W. R. D. 1895-3-26 s.n. San Mateo La Honda Comment
  SEINET10872331  Torreya californica Delzie Demaree 1933-6-23 Demaree 10393 San Mateo Red Wood Canyons. White House Creek. Comment
  RSA15296  Toxicodendron diversilobum C. B. Wolf 1927-4-3 266 San Mateo 1 mile above La Honda. Santa Cruz Mountains Comment
  JROH4756  Toxicoscordion fremontii John H. Thomas 1971-4-10 15760 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS125912  Toxicoscordion fremontii var. minor Dean W. Taylor 2002-3-20 17953 San Mateo Franklin Point, coastal bluff, about 1 mile SE along the coast from actual point. Comment
  JROH3395  Trientalis latifolia John Hunter Thomas 1981-5-5 20538 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM128507  Trientalis latifolia L. R. Abrams 1902-5-20 2468 San Mateo Kings Mountain Comment
  HSC23914  Trientalis latifolia Mary Katherine Wicksten 1971-6-22 87 San Mateo Huddart Park, near Madrone Area Comment
  POM160586  Trientalis latifolia Lester Rowntree 1929-6-15 s.n. San Mateo Santa Cruz Mts Comment
  SEINET11974143  Trientalis latifolia Unknown 1932-1 8974 San Mateo Los Trancos Woods Comment
  UCSC010356  Trifolium Dylan M. Neubauer 2016-5-19 690 San Mateo (SnFrB) Santa Cruz Mountains, headwaters of Waterman Creek, w of Hwy 9 423 Comment
  JROH2227  Trifolium albopurpureum John Hunter Thomas 1980-4-10 19868 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC165515  Trifolium albopurpureum var. dichotomum J. Burtt Davy 1893-6-22 836 San Mateo Lake Pilarcitos Comment
  JROH2239  Trifolium barbigerum John H. Thomas 1973-4-14 16566 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC15206  Trifolium bifidum L. S. Rose 1966-5-2 66035 San Mateo Emerald Lake, W of Redwood City 91 Comment
  POM88143  Trifolium bifidum L. R. Abrams 1902-5-20 2470 San Mateo Kings Mountain Comment
  UC203053  Trifolium bifidum var. bifidum A. D. E. Elmer April, 1903 4798 San Mateo Portola Comment
  JROH2253  Trifolium bifidum var. decipiens John H. Thomas 1967-5-12 12879 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  OBI12706  Trifolium bifidum var. decipiens Lewis S. Rose 1966-5-2 66035 San Mateo Emerald Lake, W of Redwood City 91 Comment
  UC631333  Trifolium bifidum var. decipiens A. A. Heller 1907-5-23 8559 San Mateo back of San Mateo (on Half Moon Bay Rd) Comment
  JROH2230  Trifolium dichotomum John H. Thomas 1964-4-19 10319 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS101282  Trifolium fucatum Dean W. Taylor 1991-5-20 11792 San Mateo coastal bluffs near south bank of Pescadero Creek at Highway 1 9 Comment
  JROH2300  Trifolium fucatum John Hunter Thomas 1983-4-21 21639 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2309  Trifolium fucatum John Hunter Thomas 1991-5-7 25035 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2312  Trifolium glomeratum Ann Lambrecht 2006-4-21 23 San Mateo Jasper Ridge Biological Preserve, Stanford University; roadside, N side of Road A, in old seven acre lease lot Comment
  UCSC005462  Trifolium gracilentum Randall Morgan 1995-6-6 2728 San Mateo Bean Hollow State Beach Comment
  RSA262230  Trifolium hirtum John H. Thomas 1971-4-25 15792 San Mateo Intersection of Interstate 280 and Sand Hill Rd., behind the Stanford University Campus. Comment
  CAS-BOT-BC5351  Trifolium macraei Adolph Daniel Edward Elmer 1903-5-1 4812 San Mateo San Pedro Comment
  POM20397  Trifolium macraei A. D. E. Elmer 1908-05 4812 San Mateo San Pedro. Comment
  CDA28004  Trifolium microdon D. G. Kelch 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  SEINET5628487 Image available Trifolium olivaceum Unknown 1907-1 8554 San Mateo Back of San Mateo Comment
  CDA33537  Trifolium resupinatum L. Kuwahara 2010-6-11 PDR# 1621663 San Mateo Menlo Park veterinarian submitted as clover sample. 0 Comment
  JROH2347  Trifolium subterraneum John Hunter Thomas 1980-5-13 19965 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2367  Trifolium subterraneum John Hunter Thomas 1990-4-7 24802 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH2371  Trifolium variegatum W. P. & A. G. Vestal 1947-4-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2385  Trifolium variegatum John H. Thomas 1975-4-19 17803 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC729682  Trifolium variegatum Carl B. Wolf 1929-4-24 3657 San Mateo sw end Jasser Ridge; back of Stanford University 152 Comment
  UCSC006363  Trifolium variegatum Randall Morgan 1995-6-6 2725 San Mateo Group at Bean Hollow State Beach 2.5 mi S of Pescadero Rd. Comment
  UCSC004602  Trifolium vesiculosum Randall Morgan 2004-4-16 4239 San Mateo Dejernosi property NW of Skylanda Comment
  JROH2396  Trifolium willdenovii John H. Thomas 1967-4-28 12720 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2412  Trifolium willdenovii John Hunter Thomas 1988-4-7 24379 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  SJSU656  Trifolium willdenovii A. W. Jacobs 1941-4-20 San Mateo Jasper Ridge above Searsville L Comment
  JROH2409  Trifolium willdenovii John Hunter Thomas 1985-4-11 23520 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam and bridge across San Francisquito Creek Comment
  RSA46808  Trifolium willdenovii Doris K. Kildale 1929-6-19 8010 San Mateo 1.5 miles from La Honda. Comment
  SEINET10862681  Trifolium willdenovii Robert V. Bradshaw 1922-4-10 Bradshaw 2548 San Mateo Jasper Ridge Comment
  UC204176  Trifolium wormskioldii A. D. E. Elmer May 1903 4644 San Mateo Lake San Andreas Comment
  POM126713  Trifolium wormskioldii R. L. Pendleton 1907-4-20 592 San Mateo Lake Merced. 30 Comment
  JROH4721  Trillium chloropetalum John H. Thomas 1958-2-15 6981 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA39377  Trillium chloropetalum A. C. Browne 1950-3-27 72 San Mateo Jasper Ridge. 0 Comment
  SD27761  Trillium chloropetalum Carl B. Wolf 1927-2-27 228 San Mateo I(c) mile inland from Pescadero. 14 Comment
  RSA3927  Trillium chloropetalum var. chloropetalum W. R. Dudley 1900-3-18 s.n. San Mateo Below San Andreas Dam. Comment
  CAS-BOT-BC521006  Trillium chloropetalum var. chloropetalum Janet Jones 1981-1-17 s. n. San Mateo On south side of Montara Mountain, Montara Comment
  CAS-BOT-BC521008  Trillium chloropetalum var. chloropetalum James McMurphy 1902-3-22 s. n. San Mateo Near Portola Comment
  RSA15271  Trillium chloropetalum var. chloropetalum Carl B. Wolf 1927-3-6 236 San Mateo Los Trancos Creek, 2 miles back of Stanford University. Comment
  CAS-BOT-BC521206  Trillium chloropetalum var. giganteum C. F. Leithold 1894-3-26 s.n. San Mateo Santa Cruz Peninsula: Lobitos Creek Comment
  CAS-BOT-BC521208  Trillium chloropetalum var. giganteum Ira L. Wiggins 1928-4-14 2917 San Mateo Alpine Creek Road Comment
  CAS-BOT-BC521209  Trillium chloropetalum var. giganteum James McMurphy 1902-3-22 s.n. San Mateo Above Portola Comment
  POM193595  Trillium chloropetalum var. giganteum W. R. Dudley 1900-3-16 s.n. San Mateo By trail north of Tripps Stone, Woodside. Comment
  CAS-BOT-BC133442  Trillium ovatum Eric Walther 1919-6-9 s.n. San Mateo Woodside Comment
  POM169961  Trillium ovatum C. F. Baker 1902-3-18 329 San Mateo West side Kings Mountain. Comment
  CAS-BOT-BC133434  Trillium ovatum L. Smith 1960-4-7 72 San Mateo Huddart State Park, off Highway 5, 50 yards from Pack entrance Comment
  CAS-BOT-BC238554  Triphysaria floribunda Alice Eastwood 1919-5-19 s.n. San Mateo San Bruno Hills, San Francisco Comment
  SD60189  Triphysaria floribunda I. L. Wiggins, R. S. Ferris 1932-4-7 8038 A San Mateo Hills above Colma Comment
  UCR139346  Triphysaria floribunda David D. Keck 1932-5-6 1471 San Mateo San Francisco Bay Region, 1 mi south of San Mateo on Highway US 101 61 Comment
  JROH4137  Triphysaria pusilla John H. Thomas 1968-3-17 14187 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4144  Triphysaria pusilla John Hunter Thomas 1985-4-18 23527 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET7067219  Triphysaria pusilla A. G. Vestal 1947-5-10 s.n. San Mateo Up east side of Jasper Ridge. Coordinate datum: NAD27. UTM Zone 10, 568517mE, 4140222mN. Comment
  SJSU16036  Triphysaria versicolor subsp. versicolor Toni Corelli, John Rawlings 2016-4-29 1767 San Mateo Along Atkinson Bluff Trail and throughout Cascade Field, north of Cascade Cr. Trail, in Ano Nuevo State Park 11 Comment
  SJSU2308  Triphysaria versicolor subsp. versicolor C. W. Sharsmith 1950-4-16 6637 San Mateo near Pescadero Point near Pescadero Comment
  JROH4738  Triteleia hyacinthina John H. Thomas 1975-5-26 17912 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD39086  Triteleia hyacinthina Marie Cummings 1933-5-10 96 San Mateo Portola Road. Comment
  CAS-BOT-BC526106  Triteleia ixioides subsp. ixioides Eric Walther 1919-6-9 s.n. San Mateo Woodside Comment
  SJSU9940  Triteleia ixioides subsp. ixioides L. S. Chan 1955-6-4 117 San Mateo Kings Mt Rd, 1.5 mi W of Woodside, E slope Santa Cruz Mts 243 Comment
  JROH4752  Triteleia laxa John Hunter Thomas 1977-6-16 18777 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA18305  Triteleia laxa Carl B. Wolf 1927-5-31 411 San Mateo North end of Searsville Lake. Comment
  SEINET12044760  Triteleia laxa L. S. Rose 1933-1 33169 San Mateo Redwood City Comment
  UCSB17660  Triteleia laxa Schulte, John 1963-4-14 San Mateo Jasper Ridge, 3 miles southwest of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  POM273891B  Tropidocarpum gracile Lyman Benson 1930-5-1 2047 San Mateo Stanford University. Mt. Range: San Lorenzo. 122 Comment
  SEINET7951747 Image available Typha angustifolia I. L. Wiggins 1929-7-4 3803 San Mateo near Pescadero Beach Comment
  SJSU2612  Ulex europaeus D. M. Dobrinen 1966-4-6 27 San Mateo N end Crystal Springs Lakes Comment
  CAS-BOT-BC91224  Umbellularia californica John H. Thomas 1971-5-2 15860 San Mateo Near intersection of Canada and Edgewater roads, about 4 miles southwest of center of Redwood City. 304 Comment
  JEPS121560  Umbellularia californica Adam C. Schneider with C. Matt Guilliams 2013-3-9 39 San Mateo Crystal Springs Reservoir Comment
  JROH136  Umbellularia californica John H. Thomas 1959-8-22 8081 San Mateo Jasper Ridge Biological Preserve, Stanford University 182 Comment
  JROH146  Umbellularia californica John Hunter Thomas 1991-12-28 25117 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM50398  Umbellularia californica L. R. Abrams, W. W. Eggleston 1924-3-23 19565 San Mateo Coast Range, near Palo Alto. 60 Comment
  CAS-BOT-BC382766  Uropappus lindleyi John H. Thomas 1971-5-2 15842 San Mateo Near intersection of Canada Road and Edgewater Road, about three miles westward from Redwood City 152 Comment
  JROH1297  Uropappus lindleyi John Hunter Thomas 1992-5-5 25209 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC403968  Urtica dioica subsp. gracilis L. R. Abrams 1909-8-1 4246 San Mateo Santa Cruz Peninsula. Between La Honda and Pescadero Comment
  CAS-BOT-BC403969  Urtica dioica subsp. gracilis L. R. Abrams 1927-6-13 s.n. San Mateo La Honda Comment
  JROH4239  Urtica dioica subsp. holosericea John Hunter Thomas 1989-6-6 24766 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC412536  Urtica urens John H. Thomas 1968-12-18 14870 San Mateo About 1 mile west of Pescadero toward the coast Comment
  CAS-BOT-BC199176  Vaccinium cespitosum John H. Thomas 1961-5-7 9317 A San Mateo San Bruno Mountain in northern part of county 396 Comment
  UC1302442  Vaccinium cespitosum Robert F. Thorne and P. Everett 1963-6-9 32214 San Mateo near TV tower on San Bruno Mountain; Kamchatka Point 335 Comment
  JEPS85569  Vaccinium ovatum Craig Dremann 1986-8-30 329 San Mateo entrance to Memorial Park, off Pescadero road Loma Mar Comment
  RSA471163  Vaccinium ovatum L. S. Rose 1938-2-23 38084 San Mateo Kings Mountain. 640 Comment
  RSA0074198  Vaccinium ovatum K. Hoppough 1929-5-8 3027 San Mateo King's Mountain. Comment
  RSA437094  Vaccinium ovatum Lyman Benson 1929-3-5 797 San Mateo Summit of King's Mountain. Comment
Read comments
Jan 22 2015
  CAS-BOT-BC199463  Vaccinium parvifolium L. R. Abrams 1909-8-1 4247 San Mateo Between La Honda & Pescadero Comment
  CAS-BOT-BC199465  Vaccinium parvifolium A. D. E. Elmer 1903-5-1 4924 San Mateo Butano Creek Comment
  CAS-BOT-BC199467  Vaccinium parvifolium A. D. E. Elmer 1903-5-1 4924 San Mateo Butano Creek Comment
  SEINET3293271 Image available Vancouveria hexandra Lewis S. Rose 1932-5-24 32269 San Mateo Kings mountain, forest Comment
  CAS-BOT-BC76140  Vancouveria planipetala Dr. E. B. Copeland 1903-5-9 3051 San Mateo Big Basin. Comment
  CAS-BOT-BC76147  Vancouveria planipetala W. R. Dudley 1903-5-2 s.n. San Mateo Santa Cruz Peninsula. Pescadero Creek near Iverson's. Comment
  UC1206448  Vancouveria planipetala W. R. Dudley 1895-6-6 San Mateo near Peters Creek (this side of Iverson's); Santa Cruz Peninsula, near Peters Creek Comment
  HSC24036  Verbena lasiostachys Mary Katherine Wicksten 1971-7-12 168 San Mateo Huddart Park, near Archery Flat, along King's Mtn. Rd. Comment
  UC112848  Veronica americana Katharine Brandegee July 1908 San Mateo near San Pedro Comment
  CAS-BOT-BC157690  Veronica americana Peter Rubtzoff 1978-7-8 9231 San Mateo San Bruno Mountain. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  CAS-BOT-BC157693  Veronica americana Peter Rubtzoff; Roman Gankin 1975-5-21 7971 San Mateo San Bruno Mountain. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  RSA14507  Veronica americana I. L. Wiggins 1935-8-24 8162 San Mateo Marshy creek entering bay at Moss Beach. Comment
  UCD163588  Veronica americana Peter Rubtzoff 1980-8-4 9560 San Mateo San Mateo: San Bruno Mountain. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction, westernmost part of the area on slope across fence. Comment
  POM283785  Veronica peregrina subsp. xalapensis Lyman D. Benson 1930-5-3 2119 San Mateo Lake Searsville, Stanford Univ. San Francisco Bay watershed, Santa Cruz mtn range. 183 Comment
  UC2049896  Vicia americana subsp. americana H. W. Johansen 1958-5-18 22 San Mateo Coast Hwy 1, S of Pescadero Comment
  POM278032  Vicia angustifolia Lyman D. Benson 1930-5-21 2144 San Mateo Lake Searsville. 152 Comment
  RSA788949  Vicia angustifolia Peter Rubtzoff 1977-6-21 9062 San Mateo San Bruno Mountains. Saddle area on N side of Guadalupe Canyon Parkway west of Radio Road junction, upper part of East Fork Colma Creek Canyon. Comment
  SBBG30068  Vicia benghalensis J. T. Howell 1938-6-4 13886 San Mateo Burlingame Comment
  SJSU2299  Vicia gigantea C. W. Sharsmith 1950-4-16 6628 San Mateo near Pescadero Point, near Pescadero Comment
  JROH2434  Vicia sativa subsp. nigra John H. Thomas 1971-4-3 15744 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2447  Vicia sativa subsp. sativa John Hunter Thomas 1981-4-30 20516 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM257512  Vicia villosa Carl B. Wolf 1929-5-27 3737 San Mateo Los Trancos Creek back of Stanford University. Comment
  SEINET8912816  Vicia villosa A. D. 1974-1 San Mateo Along California 84, about 4 miles from La Hondo 366 Comment
  CAS-BOT-BC264032  Viola adunca W. R. Dudley 1896-4-18 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Pebble Beach, Pescadero Comment
  JEPS50209  Viola adunca W. I. Follett 1934-2-18 2 San Mateo 9/10 mi s of Pigeon Point (along Said Highway) Comment
  RSA15353  Viola adunca Carl B. Wolf 1927-1-29 168 San Mateo Pebble Beach, coast south of Pescadero. Comment
  HSC21838  Viola pedunculata L. S. Rose 1965-3-25 65009 San Mateo San Bruno Mtns., N end 122 Comment
  OBI78517  Viola pedunculata Lewis S. Rose 1965-3-25 65009 San Mateo San Bruno Mts N end 122 Comment
  UCD166151  Viola purpurea subsp. quercetorum Jack Major; M. Forde and S. Bamberg 1962-4-3 735 San Mateo Above Finney Creek. (Exact location unknown. Coordinates estimated by label maker). 121 Comment
  UC581490  Viola sempervirens Lucile Roush March 1928 San Mateo Butano Creek; Santa Cruz Mountains, Butano Creek Comment
  JROH5576  Vitis vinifera John Rawlings, Toni Corelli 2013-5-28 1178 San Mateo Jasper Ridge Biological Preserve, Stanford University. Hermit Cabin Site. 182 Comment
  CAS-BOT-BC182765  Vulpia bromoides Peter Rubtzoff 1978-5-18 9169 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction and northwest of Fog Forest. Comment
  CAS-BOT-BC199858  Vulpia bromoides Jav