Search Results — 2000 specimen records retrieved (1302 records with coordinates)
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Results for search: County=SAN MATEO; Source=All;   

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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)
 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC233752  Abronia umbellata C. F. Baker 1902-10-1 1742 San Mateo Pillar Point Comment
  SD41440  Abronia umbellata Edith A. Purer 1934-8-14 5915 San Mateo Half Moon Bay. Comment
  UCR253356  Acacia A. C. Sanders 2014-8-3 41230 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
  CAS-BOT-BC451115  Acaena pinnatifida var. californica John H. Thomas 1961-5-7 9254 San Mateo San Bruno Mountain in northern part of county. Northern Coastal Scrub of Munz and Keck. 396 Comment
  POM139634  Acaena pinnatifida var. californica A. D. E. Elmer 1903-04 4823 San Mateo San Bruno Hills. Comment
  UC764000  Acaena pinnatifida var. californica R. F. Hoover 1939-4-21 4053 San Mateo 2 mi. s. Colma Comment
  CAS-BOT-BC219604  Acanthomintha duttonii Harry A. Dutton; Miss. H. A. Walker 1915-5-26 3819 San Mateo Near the Menlo Golf Club 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
  JROH155  Acer macrophyllum John H. Thomas 1971-4-25 15786 San Mateo Jasper Ridge Biological Preserve, Stanford University 92 Comment
  RSA116908  Acer macrophyllum W. R. Dudley 1906-6-14 s.n. San Mateo San Francisquito Creek, near Cedro Cottage Stanford University Comment
  RSA70706  Acer macrophyllum L. S. Rose 1950-4-1 50047 San Mateo San Mateo Canyon Comment
  CAS-BOT-BC21553  Achillea millefolium Walter Knight; Irja Knight 1965-4-25 1074 San Mateo San Bruno Mountain. Owl's Canyon. Comment
  CAS-BOT-BC21584  Achillea millefolium Fred Hemphill 1973-5-6 760 San Mateo San Carlos. North of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC21590  Achillea millefolium H. A. Dutton 1900-2-1 s.n. San Mateo Woodside Serpentine Comment
  CHSC39835  Achillea millefolium Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  JEPS121480  Achillea millefolium Adam C. Schneider with C. Matt Guilliams 2013-4-7 94 San Mateo Crystal Springs Reservoir Comment
  UCSB22461  Achillea millefolium 1964-3-24 San Mateo About 8/10 of a mile off Skyline Blvd. along Sawyer Camp Road, the entrance off Millbrae Ave., around Crystal Spring Lake 106 Comment
Read comments Sep 9 2011
  CAS-BOT-BC21583  Achillea millefolium Elizabeth McClintock 1978-4-11 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  CAS-BOT-BC21599  Achillea millefolium Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountain. Colma Canyon. Comment
  UCSC007713  Achillea millefolium Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  UC336187  Achyrachaena mollis Kellogg and Harford San Mateo Plains of Sacramento Comment
  OBI13045  Acmispon americanus var. americanus Lewis S. Rose 1964-9-5 64071 San Mateo Emerald Lake, W of Redwood City 244 Comment
  UCD103906  Acmispon americanus var. americanus Lewis S. Rose 1964-9-5 64071 San Mateo Emerald Lake, w of Redwood City. 243 Comment
  JROH2053  Acmispon parviflorus G. C. Kimber & Lucile Roush 1918-4-11 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2081  Acmispon strigosus John Hunter Thomas 1983-4-21 21634 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CHSC894  Acmispon wrangelianus A. Koopman 1929-5-9 San Mateo Moss Beach. 7 Comment
  JROH2093  Acmispon wrangelianus John H. Thomas 1966-4-24 11578 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC391673  Actaea rubra A. D. E. Elmer 1903-5-1 4703 San Mateo Butano Creek 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
  RSA523414  Actaea rubra subsp. arguta G. H. True 1936-4-5 390 San Mateo Canyon between San Gregorio and Pescadero 152 Comment
  SDSU2646  Adelinia grandis D. F. Howe 1967-4-14 4349 San Mateo San Francisco Game Reserve near San Bruno. 91 Comment
  SEINET8216770  Adelinia grandis L. E. Detling 1933-3-20 1122 San Mateo Skyline Blvd, [State Highway 35]. Comment
  CAS-BOT-BC29296  Adenocaulon bicolor A. D. E. Elmer 1903-6-1 4300 San Mateo Pescadero Creek Comment
  CDA352  Adenocaulon bicolor A. C. Browne 1952-7-13 San Mateo Pescadero Creek. 0 Comment
  JROH478  Adenocaulon bicolor Volney Rattan 1867-5-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Comment
  CAS-BOT-BC139954  Adenostoma fasciculatum Ned Cahill 1974-6-21 332 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC65672  Adiantum jordanii Ned Cahill 1974-5-13 250 San Mateo near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  POM281089  Adiantum jordanii Lyman Benson 1937-7-15 8454 San Mateo Upper San Francisquito Creek, Santa Cruz Mountains; San Francisco Bay watershed. 244 Comment
  CAS-BOT-BC29526  Agoseris apargioides W. R. Dudley 1896-11-15 s.n. San Mateo Near shore, Spanishtown Comment
  SBBG7505  Agoseris apargioides var. eastwoodiae H. and M. Dearing 1938-6-21 2038 San Mateo Golden Gate Comment
Read comments Jan 8 2022
  CAS-BOT-BC23021  Agoseris grandiflora var. grandiflora A. D. E. Elmer 1903-4-1 4490 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC23022  Agoseris grandiflora var. grandiflora Walter Knight; Irja Knight 1965-5-15 s.n. San Mateo Pig Ranch Ravine Comment
  JROH484  Agoseris grandiflora var. grandiflora John Hunter Thomas 1981-5-8 20557 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5952  Agoseris heterophylla John Rawlings 2017-4-3 2014 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 5 serpentine prairie up-slope from trail 122 Comment
  CAS-BOT-BC46173  Agoseris heterophylla John H. Thomas 1971-5-2 15816 San Mateo Near intersection of Canada Road and Edgewater [sic]Road, about three miles westward from Redwood City 152 Comment
  CAS-BOT-BC15235  Agoseris hirsuta David D. Keck 1932-5-6 1461 San Mateo near Belmont Comment
  CAS-BOT-BC15238  Agoseris hirsuta Josephine D. Randall 1907-7-7 43 San Mateo Kings Mountain Road Comment
  POM52180  Agoseris hirsuta C. F. Baker 1902-5-4 884 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC15231  Agoseris hirsuta W. R. Dudley 1905-6-19 s.n. San Mateo Alpine School House, Black Mountain Comment
  SEINET10661050  Agropyron repens P. Rubtzoff 1977-6-21 Rubtzoff 9055 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Westernmost part of the area on slope across fence. Comment
  JROH4770  Agrostis avenacea John Hunter Thomas 1979-9-9 19727 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Searsville Lake 110 Comment
  SJSU15809  Agrostis blasdalei Toni Corelli 2016-7-25 1260 San Mateo Bean Hollow State Beach along Arroyo de los Frijoles Trail; bare area west and adjacent to designated trail 5 Comment
  CAS-BOT-BC127481  Agrostis capillaris John Thomas Howell 1975-9-25 51509 San Mateo San Bruno Mountain. Comment
  JROH4778  Agrostis capillaris John Rawlings 2008-6-25 1044 San Mateo Jasper Ridge Biological Preserve, Stanford University; seven yards from paved road in middle of the blocked-off dirt path leading to Causeway Bridge 105 Comment
  UCD37958  Agrostis densiflora Beecher Crampton 1962-6-11 6489 San Mateo San Mateo County, northern city limits of Pacifica, along State Highway 1, just southwest of its junction with Skyline Boulevard. Comment
  CAS-BOT-BC138976  Agrostis pallens A. D. E. Elmer 1903-6-1 4264 San Mateo Alpine School House. Comment
  JROH4799  Agrostis pallens Herbert Dengler 1968-6-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; in swale between E. serp. and 2nd enclosure (reading from S.E. to N.W.) Comment
  SJSU15958  Agrostis pallens John Rawlings, Ken Hickman 2016-5-26 1835 A 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
  SEINET200165 Image available Agrostis semiverticillata Malcolm A. Nobbs, S. Galen Smith 1949-8-26 1607 San Mateo About 1 mile south of Pigeon Point. Comment
  UCD53588  Agrostis stolonifera Malcolm A. Nobs; S. Galen Smith 1949-8-25 1550 San Mateo Sharp Park. Comment
  CDA38392  Agrostis viridis Wm. Davis 1957-8-16 s.n. San Mateo Nursery; Millbrae. 0 Comment
  JEPS101121  Aira caryophyllea Dean W. Taylor 1991-5-20 11786 San Mateo coastal bluffs near south bank of Pescadero Creek at Highway 1 9 Comment
  JEPS101122  Aira caryophyllea Dean W. Taylor 1991-5-20 11787 San Mateo coastal bluffs near south bank of Pescadero Creek at Highway 1 9 Comment
  SJSU15968  Aira praecox John Rawlings, Toni Corelli 2016-5-27 1848 San Mateo Bean Hollow bluff trail, west of Hwy 1 south of Pescadero 8 Comment
  JROH4545  Allium amplectens John Hunter Thomas 1986-5-8 24028 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4546  Allium amplectens John Hunter Thomas 1989-5-11 24731 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC467294  Allium dichlamydeum Philip C. Wheeler 1965-5-8 s.n. San Mateo Sierra Point Comment
  JROH4550  Allium falcifolium John H. Thomas 1957-4-16 6662 San Mateo Jasper Ridge Biological Preserve, Stanford University. Open serpentine area on top of ridge and adjacent slopes Comment
  UC796644  Allium falcifolium Ira L. Wiggins 1949-4-23 12049 San Mateo w Redwood City (hills near Emerald Lakes); Emerald Lakes Comment
  CAS-BOT-BC469033  Allium falcifolium G. C. Kimber; Lucile Roush 1918-4-11 s.n. San Mateo Jasper Ridge; Santa Cruz Mountain Peninsula Comment
  UCD138520  Allium falcifolium R. E. Dengler 1960-4-12 28 San Mateo Jasper Ridge, Stanford Biological Reserve. 190 Comment
  JROH4567  Allium lacunosum var. lacunosum John Hunter Thomas 1978-4-20 19082 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA2746  Allium neapolitanum J. E. McClellan, B. McClellan Apr 1972 San Mateo Bernal Avenue, Burlingame. 0 Comment
  CAS-BOT-BC132029  Allium peninsulare var. franciscanum L. R. A. 1902-5-4 2411 San Mateo Woodside Comment
  CAS-BOT-BC132036  Allium peninsulare var. franciscanum D. E. Breedlove 1963-5-13 4942 San Mateo On the SE corner of the junction of Crystal Springs Road and Polhemus Rd, W of San Mateo Comment
  JROH4557  Allium peninsulare var. franciscanum John H. Thomas 1971-5-30 15963 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH4558  Allium peninsulare var. franciscanum John H. Thomas 1971-5-30 15963 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC311526  Allium peninsulare var. franciscanum A. D. E. Elmer June 1903 4595 San Mateo San Mateo Comment
  CAS-BOT-BC474302  Allium unifolium Peter H. Raven 1947-6-13 830 San Mateo Belmont 121 Comment
  JROH1329  Alnus rhombifolia John Hunter Thomas 1992-5-26 25351 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek near bridge & below the dam Comment
  POM281274  Alnus rhombifolia Lyman Benson 1928-11-25 786 San Mateo Searsville Lake Dam. San Francisco Bay Watershed. 91 Comment
  CAS-BOT-BC169344  Alnus rubra Lewis S. Rose 1955-11-7 55189 San Mateo Tunitas stream banks 30 Comment
  SEINET10919408  Alnus rubra LeRoy R. Abrams Abrams s.n. San Mateo Near Rescadero on road to Half-Moon Bay. Santa Cruz Mountain Peninsula. Comment
  UCD97767  Amaranthus retroflexus John Thomas Howell 1978-7-18 53187 San Mateo McClellan residence, 1356 Bernal Ave., Burlingame. Comment
  CAS-BOT-BC44926  Ambrosia chamissonis W. R. Dudley 1908-10-4 s.n. San Mateo Laguna Salada Comment
  CAS-BOT-BC44933  Ambrosia chamissonis David D. Keck 1931-10-5 1285 San Mateo 1 mile north of Salada Beach Comment
  CAS-BOT-BC44927  Ambrosia chamissonis Saichi Kawahara 1968-6-15 443 San Mateo Pescadero Beach, 150 yards south of mouth of Pescadero Creek, Highway 1 3 Comment
  SEINET10517582  Ammophila arenaria Delzie Demaree 1933-7-27 Demaree 10441 San Mateo Sand dunes two miles south of Pigeon Point. Stabilizing moving dune areas. Comment
  CAS-BOT-BC214046  Amsinckia Mrs. E. C. Sutliffe 1933-5-25 s.n. San Mateo Purissima Canyon Comment
  CAS-BOT-BC214047  Amsinckia Lewis S. Rose 1933-5-17 33174 San Mateo Redwood City Comment
  JROH1340  Amsinckia intermedia John Hunter Thomas 1982-4-4 20821 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1356  Amsinckia intermedia H. J. Dengler 1972-4-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; in the field by Sand Hill Road opposite Whiskey Hill Road Comment
  CAS-BOT-BC222456  Amsinckia lunaris Gene B. Newcomb 1953-5-20 116 San Mateo Road west of San Mateo City to Skyline Blvd., 1.7 miles below junction to Skyline opposite gravel pit, (Hillsborough) Comment
  JROH1347  Amsinckia menziesii John Hunter Thomas 1981-4-21 20459 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  HSC59829  Anagallis arvensis Clark L. Miller 1978-6-15 264 San Mateo 6 mi. S of Half Moon Bay, off Hwy. 1 on Verde Rd. 61 Comment
  JROH3372  Anagallis minima John H. Thomas 1968-4-19 14304 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR254763  Anaphalis margaritacea Peter Rubtzoff 1978-9-16 9270 San Mateo San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 213 Comment
  CAS-BOT-BC45183  Anaphalis margaritacea Elizabeth McClintock 1965-3-28 s.n. San Mateo San Bruno Mountain, on slope at flower garden adjacent to April Brook. Comment
  CAS-BOT-BC221453  Angelica hendersonii Saichi Kawahara 1968-6-15 427 San Mateo Pescadero Beach, 150 yards south of mouth of Pescadero Creek, Highway 1 4 Comment
  CAS-BOT-BC221459  Angelica hendersonii Alice Eastwood 1914-10-1 s.n. San Mateo Mussel Rock Comment
  JROH187  Angelica tomentosa John H. Thomas 1962-7-15 9918 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC830895  Anisocarpus madioides Lewis S. Rose 1941-7-2 41287 San Mateo Kings Mountain 548 Comment
  UC89529  Anisocarpus madioides C. F. Baker 1902-5-10 800 San Mateo Kings Mountain Comment
  CAS-BOT-BC273170  Anisocarpus madioides Bruce G. Baldwin 1985-6-22 489 San Mateo 0.4 miles south of junction with Alpine Road along Skyline Road Comment
  UCD135771  Anisocarpus madioides Bruce G. Baldwin 1985-6-22 489 San Mateo 0.4 mile south of junction with Alpine Road along Skyline Road. Comment
  JROH502  Anthemis cotula John H. Thomas 1977-6-16 18757 San Mateo Jasper Ridge Biological Preserve, Stanford University; near old racing oval Comment
  JROH503  Anthemis cotula John Hunter Thomas 1978-7-14 19263 San Mateo Jasper Ridge Biological Preserve, Stanford University; near the low flow crossing of San Francisquito Cr. Comment
  UCSC000808  Anthemis cotula G. E. Sindel 1935-7-25 312 San Mateo 0.25 mile W. of Pescadero Pescadero - Santa CruzQuadrangle 15 Comment
  RSA492536  Anthriscus caucalis Lyman Benson 1935-5-5 6521 San Mateo Lake Searsville 152 Comment
  JROH198  Anthriscus caucalis John H. Thomas 1974-5-3 17242 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA128575  Anthriscus caucalis P. H. Raven 1950-6-3 2239 San Mateo Woods around San Andres Lake 122 Comment
  JROH3603  Aphanes occidentalis John H. Thomas 1973-4-14 16564 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC454479  Aphanes occidentalis Walter & Irja Knight 1965-3-21 949 San Mateo North Power Line Ridge, San Bruno Mountain Comment
  UC463319  Aquilegia eximia W. R. Dudley 1902-9-21 San Mateo sw Crystal Springs Lake; Santa Cruz Peninsula Comment
  UC118822  Aquilegia formosa C. F. B. 1902-3-30 422 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC405857  Aquilegia formosa Josephine Randall 1908-4-12 s.n. San Mateo King's Mt. Road Comment
  UC635107  Aquilegia formosa H. L. Mason 1927-4-23 3674 San Mateo summit of rd betw La Hunda and Pescadero Creek Comment
  CHSC1435  Aquilegia formosa var. truncata J. Koopman 1929-5-11 San Mateo Moss Beach. Comment
  CHSC57095  Aquilegia formosa var. truncata Steven Triano 1988-5-24 206 San Mateo Along S side of Old La Honda Road ca 0.3 mi E of its jct. With La Honda Road. 365 Comment
  RSA87797  Aquilegia formosa var. truncata L. R. Abrams 1902-4-13 23463 San Mateo Crystal Spring. Comment
  HSC6552  Arabis blepharophylla Lincoln Constance, Rimo Bacigalupi, C. R. Bell 1951-3-25 3369 San Mateo SE side of Colma Canyon 61 Comment
  JEPS90964  Arabis blepharophylla Dean W. Taylor 1992-3-19 12334 San Mateo in saddle just e of San Pedro Mountain reached via old paved road from San Pedro Valley (Santa Cruz Mountains, Montara Mountain); Santa Cruz Mountains, Montara Mountain 274 Comment
  UC676755  Arabis blepharophylla Reed C. Rollins 1941-3-22 2950 San Mateo 2 mi se Daly City; 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
  CAS-BOT-BC171636  Aralia californica Eric Walther 1919-7-4 s.n. San Mateo Woodside Comment
  CAS-BOT-BC128672  Arbutus menziesii Margaret A. Barry 1937-4-21 12 San Mateo Coal Mine Ridge Comment
  JROH1915  Arbutus menziesii A. D. E. Elmer 1903-5-1 4515 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake Comment
  JROH1916  Arbutus menziesii John H. Thomas 1959-4-5 7665 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM131700  Arbutus menziesii Stewart H. Burnham 1895-3-9 6555 San Mateo Outer Coast Range Comment
  UC876360  Arbutus menziesii Lewis S. Rose 1935-3-7 35019 San Mateo Woodside Comment
  UC876368  Arbutus menziesii E. W. Rust 1907-4-22 131 San Mateo vicinity of Stanford Unifersity (King's Mountain); Northern California, King's Mountain 274 Comment
  POM367229  Arctostaphylos andersonii L. H. Jones 1909-3-13 s.n. San Mateo Summit of Kings Mountain, Stanford University. 731 Comment
Read comments Sep 22 2011
  CAS-BOT-BC23509  Arctostaphylos crustacea L. S. Rose 1942-3-30 42007 San Mateo Rocky brushy hills, Kings Mountain 600 Comment
  CAS-BOT-BC23546  Arctostaphylos crustacea L. S. Rose 1942-3-30 42007 San Mateo Rocky brushy hills, Kings Mountain Comment
  RSA26358  Arctostaphylos crustacea E. K. Balls, Percy C. Everett 1953-10-16 18682 San Mateo Hwy 5, 30.8 mi SE of San Francisco-San Mateo Co. line. 762 Comment
  JROH1925  Arctostaphylos crustacea subsp. crustacea John H. Thomas 1974-6-30 17463 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1926  Arctostaphylos crustacea subsp. crustacea John H. Thomas 1974-6-30 17463 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
  JROH1936  Arctostaphylos crustacea subsp. crustacea Toni Corelli 2006-1-20 308 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 9 134 Comment
  JROH1944  Arctostaphylos crustacea subsp. crustacea John Hunter Thomas 1987-4-30 24211 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC24727  Arctostaphylos glandulosa subsp. glandulosa Elizabeth McClintock; Paul Reedberg 1988-4-5 s.n. San Mateo Canyon e. of Buckeye Canyon, on a hogback ridge. Comment
  CAS-BOT-BC24486  Arctostaphylos imbricata Elizabeth McClintock; Arthur L. Menzies 1963-2-16 s.n. San Mateo Knoll nw. of first television tower, San Bruno Mt. Comment
  CAS-BOT-BC24500  Arctostaphylos imbricata James B. Roof 1961-4-18 s.n. San Mateo From ne. face of San Bruno Mountain, northern San Mateo Co. 335 Comment
  JEPS91231  Arctostaphylos imbricata Dean W. Taylor 1988-4-29 9584 San Mateo San Bruno Mountain, northern slope of mountain 0.3 miles N22d W of summit, 371 Comment
  OBI14661  Arctostaphylos imbricata Robert F. Hoover 1964-4-24 8742 San Mateo San Bruno Mt Comment
  RSA167604  Arctostaphylos imbricata R. F. Thorne, Percy C. Everett, K. Thorne 1963-6-9 32243 San Mateo On top of San Bruno Mt. neart TV tower. 335 Comment
  POM131959  Arctostaphylos manzanita subsp. manzanita Stewart H. Burnham 1894-1 6565 San Mateo Above Searsville. Comment
  JEPS108597  Arctostaphylos montaraensis R. Raiche 1984-1-27 San Mateo Montara Mountain Comment
  UC21805  Arctostaphylos montaraensis C. T. Blake 1893-5-27 San Mateo Pilarcitos Reservoir Comment
  CAS-BOT-BC38525  Arctostaphylos montaraensis Walter Knight; Irja Knight; James B. Roof; Gregory Whipple; Al Senenes 1969-9-22 2790 San Mateo 1 mi. w. of Scarper peak jct. enroute Montara Mt. on San Francisco Water Dept. property. 304 Comment
  SEINET11987487  Arctostaphylos montaraensis J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4203 San Mateo Strybing Arboretum, Golden Gate Park, San Fran., orig. few yds NE of Pacific Rock on San Bruno Mt Comment
  SEINET11989280  Arctostaphylos montaraensis R. Gankin, Hildreth, W. R. 1966-1 738 San Mateo Montara Mountain Comment
  UC486533  Arctostaphylos nummularia Mrs. H. P. Bracelin 1932-7-4 San Mateo e Pescadero; Butano Forest Comment
  CAS-BOT-BC39822  Arctostaphylos pacifica Walter Knight; Irja Knight 1981-3-1 4049 San Mateo From Tilden Botanic Garden, Berkeley. Originally collected from San Bruno Mountain. Comment
  RSA167584  Arctostaphylos pacifica R. F. Thorne, Percy C. Everett, K. Thorne 1963-6-9 32223 San Mateo On top of San Bruno Mt. near TV tower. Comment
  SBBG21964  Arctostaphylos pacifica R. F. Thorne with P. C. Everett 1963-6-9 32223 San Mateo top of San Bruno Mtn near TV tower Comment
  CAS-BOT-BC44709  Arctostaphylos regismontana Walter Knight; Irja Knight; James B. Roof 1967-1-19 2058 San Mateo Whipple Road, near Crystal Springs Lakes Comment
  CAS-BOT-BC44739  Arctostaphylos regismontana L. R. Abrams 1902-1-12 2254 San Mateo Kings Mountain Comment
  CAS-BOT-BC44746  Arctostaphylos regismontana W. R. Dudley 1906-3-9 5 San Mateo King's Mt. - Santa Cruz Range 609 Comment
  CAS-BOT-BC44747  Arctostaphylos regismontana W. R. Dudley 1902-5-17 s.n. San Mateo Near King's Mountain Road 457 Comment
  POM367228  Arctostaphylos regismontana L. S. Rose 1938-2-23 38083 San Mateo Kings Mountain. 640 Comment
  RSA22394  Arctostaphylos regismontana L. S. Rose 1939-2-26 39015 San Mateo Kings Mountain. 670 Comment
  SEINET3164344  Arctostaphylos regismontana L. S. Rose 1940-2-10 40001 San Mateo Kings Mountain 701 Comment
  UC1120836  Arctostaphylos regismontana A. E. Wieslander and B. O. Schreiber 1940-3-5 5 San Mateo road from Woodside to King's Mt.; Santa Cruz Quadrangle 365 Comment
  UC1120845  Arctostaphylos regismontana C. M. Belshaw 1935-1-25 1467 San Mateo KIngs Mt. Rd. 6 mi w Woodside; Santa Cruz Quadrangle Comment
  SEINET11989115  Arctostaphylos regismontana Unknown 1966-1 740 A San Mateo Montara Mountain Comment
  SEINET3410747 Image available Arctostaphylos sensitiva Lewis S. Rose 1931-4-4 s.n. San Mateo Kings Mountain, San Mateo County, California. Comment
  SEINET11989293  Arctostaphylos tomentosa S. W. Edwards 1982-1 s.n. San Mateo Foothill Park near summit of SW ridge Comment
  HSC7756  Arctostaphylos tomentosa subsp. crustacea L. S. Rose 1969-3-27 69006 San Mateo Kings Mountain Road, 4 mi. W of Woodside 305 Comment
  POM131770  Arctostaphylos tomentosa subsp. crustacea C. F. Baker 1902-5-10 817 San Mateo Kings Mountain. Comment
  POM132204  Arctostaphylos tomentosa subsp. crustacea A. D. E. Elmer 1903-05 4558 San Mateo Kings Mountain. Comment
  RSA636846  Arctostaphylos tomentosa subsp. crustacea Jon E. Keeley, Melanie Baer-Keeley 1993-9-8 24642 San Mateo NW side of Montara Mtn. 150 Comment
  UCD51708  Arctostaphylos tomentosa var. tomentosiformis Roman Gankin 1959-3-22 325 San Mateo Kings Mountain Road, 1.2 miles east of junction with State Highway 5, ca. 5 miles west of Woodside, San Mateo County, California. Comment
  JEPS108605  Arctostaphylos uva-ursi Roger Raiche 1984-7-18 10153 San Mateo San Bruno Mountain, Kamchatka Point Comment
  SBBG21954  Arctostaphylos uva-ursi R. F. Thorne with P. C. Everett 1963-6-9 32218 San Mateo top of San Bruno Mtn, near the TV Tower 335 Comment
  SEINET11987485  Arctostaphylos uva-ursi J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4212 San Mateo Strybing Arboretum, Golden Gate Park, San Francisco, orig. from San Bruno Mt., near Pacific Rock Comment
  SEINET11987329  Arctostaphylos uva-ursi var. coactilis J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4202 San Mateo Strybing Arboretum, Golden Gate Park, San Francisco, orig. from San Bruno Mt Comment
  SEINET11987482  Arctostaphylos uva-ursi var. coactilis J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4200 San Mateo Strybing Arboretum, Golden Gate Park, San Francisco, orig. from Samoa Sand Spit Comment
  SEINET11987488  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 Comment
  SEINET11989283  Arctostaphylos uva-ursi var. suborbiculata W. Knight, Knight, I.; McClintock, E. 1982-1 4444 San Mateo Kamchatka Point, San Bruno Mt Comment
  SEINET11929723  Armeria maritima L. K. Henry 1956-1 s.n. San Mateo along Pacific Ocean at Pigeon Point Lighthouse on Rt. 1 Comment
  SBBG5623  Armeria maritima subsp. californica J. M. Tucker 1941-4-6 211 San Mateo Pigeon Point Comment
  SD39619  Armeria maritima subsp. californica Edith A. Purer 1933-7-27 5358 San Mateo Pigeon Point. Comment
  CAS-BOT-BC47693  Armeria maritima subsp. californica Elizabeth McClintock; Paul Reedberg 1988-4-26 s.n. San Mateo at southern tip of ridge dividing Sage and Poison Oak Ravines 137 Comment
  CAS-BOT-BC82515  Arnica discoidea Josephine D. Randall 1907-7-28 49 San Mateo [Iverson's] Iverson near Pescadero Creek 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
  CAS-BOT-BC84882  Artemisia californica George Oberlander 1949-10-8 392 a San Mateo San Francisco Watershed Reserve - Sweeney Ridge Comment
  CAS-BOT-BC84885  Artemisia californica Walter Knight; Irja Knight; Elizabeth McClintock 1964-9-11 s.n. San Mateo San Bruno Mountain, Point San Bruno Comment
  CAS-BOT-BC93936  Artemisia douglasiana Ira L. Wiggins 1975-8-5 22175 San Mateo Bed of San Francisquito Creek, ca 100 m above Pope Street bridge, San Mateao County side of Santa Clara-San Mateo Comment
  CAS-BOT-BC93937  Artemisia douglasiana Ira L. Wiggins 1975-8-5 22175 San Mateo Bed of San Francisquito Creek, ca 100 m above Pope Street bridge, San Mateao County side of Santa Clara-San Mateo Comment
  CAS-BOT-BC93643  Artemisia pycnocephala Alice Eastwood 1914-10-1 s.n. San Mateo Mussel Rock Comment
  UCD137830  Asarum caudatum R. E. Dengler 1960-4-13 32 San Mateo Purissima Creek Canyon. 251 Comment
  JROH438  Asclepias fascicularis John Hunter Thomas 1992-6-8 25367 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  OBI25837  Asclepias fascicularis Lewis S. Rose 1965-8-27 65092 San Mateo Emerald Lake, W of Redwood City 122 Comment
  UCR254761  Aster chilensis Peter Rubtzoff 1974-12-17 7944 San Mateo San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 213 Comment
  UCR254764  Aster chilensis Peter Rubtzoff, Roman Gankin 1975-9-11 8377 San Mateo San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 213 Comment
  CAS-BOT-BC186762  Astragalus gambelianus John H. Thomas 1971-5-2 15822 San Mateo Near intersection of Canada Road and Edgewater Road, about three miles westward from Redwood City 152 Comment
  CAS-BOT-BC186760  Astragalus gambelianus L. R. A. 1902-5-4 2402 San Mateo Woodside Comment
  RSA60160  Astragalus gambelianus Lois E. James 1947-4-11 1757 San Mateo Hills back of Redwood City. Comment
  UC903409  Astragalus gambelianus Lois E. James 1947-4-11 1758 San Mateo hills back Redwood City; hills back of Redwood City Comment
  POM16308  Astragalus nuttallii C. F. Baker 1903-6-30 3358 San Mateo Pillar Point Comment
  CAS-BOT-BC177965  Astragalus nuttallii var. virgatus John Thomas Howell; Alice Eastwood 1938-6-26 6063 San Mateo Arroyo de los Frijoles Comment
  CAS-BOT-BC193093  Astragalus pycnostachyus var. pycnostachyus Alice Eastwood; John Thomas Howell 1938-6-26 6057 San Mateo Near Pescadero Comment
  CAS-BOT-BC68677  Athyrium filix-femina var. californicum Elizabeth McClintock; Carlyn Halde; Walter Knight 1963-6-23 s.n. San Mateo San Bruno Mountain - Lower part of Colma Canyon Comment
  CAS-BOT-BC66140  Athyrium filix-femina var. cyclosorum D. E. Breedlove 1973-9-26 35558 San Mateo Pescadero Creek County Park 365 Comment
  CAS-BOT-BC17586  Athysanus pusillus Margaret A. Barry 1937-5-1 44 San Mateo Coal Mine Ridge. Comment
  UC205348  Atriplex leucophylla Katharine Brandegee 1913-8-11 San Mateo Tobin Comment
  SEINET4135307  Atriplex leucophylla L. Thorne, N. Thorne 1990-7-4 1 San Mateo Half Moon Bay Harbor.; 0 Comment
  RSA26768  Atriplex subspicata I. L. Wiggins 1929-8-24 3873 San Mateo Moss Beach. Comment
  CAS-BOT-BC146214  Avena brevis John Thomas Howell 1954-6-16 30003 San Mateo Belmont. Raslton Avenue at 6th. Comment
  CAS-BOT-BC146000  Avena fatua Ira L. Wiggins 1975-4-17 22144 San Mateo Northeast side of S.P. right of way, between Willow Road and San Francisquito Creek, Menlo Park. Comment
  JROH545  Baccharis glutinosa John Hunter Thomas 1992-7-24 25385 San Mateo Jasper Ridge Biological Preserve, Stanford University; along causeway Comment
  UC893646  Baccharis glutinosa Lewis S. Rose 1941-10-31 41172 San Mateo Searsville Lake 91 Comment
  CAS-BOT-BC99529  Baccharis pilularis Carl B. Wolf 1930-11-5 1807 San Mateo 4 mi. so. of Pescadero 7 Comment
  RSA38968  Baccharis pilularis Edith A. Purer 1933-8-4 5409 San Mateo Clay hillside near Baden Station Comment
  JROH549  Baccharis pilularis subsp. consanguinea John H. Thomas 1970-7-5 15663 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET5625923 Image available Baeria chrysostoma Unknown 1907-1 8465 San Mateo San Bruno Hills 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
  CAS-BOT-BC16638  Barbarea orthoceras James McMurphy 1907-5-25 s.n. San Mateo San Francisquito Creek, near Stone Crusher. Comment
  JROH1441  Barbarea orthoceras John H. Thomas 1968-3-17 14183 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1559199  Bellardia trixago Michelle T. Seidl 1989-3-13 MTS 2516 b San Mateo just above, n side Linda Mar Beach and Highway 1 (along Roberts Road, Pacifica); Pacifica Comment
  CAS-BOT-BC100193  Bellis perennis Walter Knight; Irja Knight 1964-9-2 s.n. San Mateo Crocker Avenue Comment
  CAS-BOT-BC75870  Berberis pinnata W. R. Dudley 1903-5-2 s.n. San Mateo Santa Cruz Peninsula. By La Honda Road below BD Week's. Comment
  POM312413  Berula erecta S. Galen Smith, Malcolm A. Nobs 1949-8-25 1561 San Mateo Shark Park Comment
  UC1191932  Berula erecta Malcolm A. Nobs, S. Galen Smith 1949-8-25 1561 San Mateo at Sharp Park Sharp Park Comment
  UCD97702  Beta vulgaris subsp. maritima Malcolm A. Nobs; S. Galen Smith 1949-8-27 1620 San Mateo E of Redwood City. Comment
  UC311186  Blennosperma nanum var. nanum A. D. E. Elmer 1903-4-1 4521 San Mateo San Bruno Hills Comment
  CDA17126  Brachypodium sylvaticum K. Melo 2003-12-1 PDR 1387956 San Mateo San Francisco Peninsula; Hwy 84 at Grandview Terrace and Schilling Lake. Martin Creek drainage. 0 Comment
  CAS-BOT-BC28048  Brassica fruticulosa Elizabeth McClintock; Paul Reeberg 1989-4-10 s.n. San Mateo Guadalupe Hills. Near horse corral. Comment
  JROH1463  Brassica rapa John H. Thomas 1975-4-5 17707 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR136582  Brassica rapa George K. Helmkamp, E. A. Helmkamp 1999-6-28 5014 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-BC36796  Brassica rapa Javier Penalosa 1963-2-23 2662 San Mateo San Bruno Mountains. Ravine south of Crocker Avenue. 213 Comment
  CAS-BOT-BC145495  Briza maxima John R. Barth 1963-5-23 42 San Mateo Pebble Beach. Comment
  CAS-BOT-BC145332  Briza minor John H. Thomas 1950-4-27 1692 A San Mateo King's Mountain Road. Comment
  CAS-BOT-BC145342  Briza minor A. A. Beetle 1941-4-20 1738 San Mateo Near San Carlos. Comment
  JROH4884  Briza minor John H. Thomas 1976-4-30 18102 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  POM204993  Briza minor E. B. Copeland 1903-5-24 3257 San Mateo Along Crystal Springs Lake 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
  UCSB17659  Brodiaea coronaria Schulte, John 1963-4-28 San Mateo Jasper Ridge, 3 miles southwest of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  JROH4590  Brodiaea terrestris subsp. terrestris John H. Thomas 1975-5-26 17918 a San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC843571  Brodiaea terrestris subsp. terrestris Alice Eastwood 1912-6-10 334 San Mateo Crystal Springs Comment
  CAS-BOT-BC483171  Brodiaea terrestris subsp. terrestris Lewis S. Rose 1970-4-8 70024 San Mateo Black Mountain west of San Mateo 121 Comment
  CAS-BOT-BC483175  Brodiaea terrestris subsp. terrestris James McMurphy 1906-5-8 s.n. San Mateo Between Woodside and Byre's Store Comment
  UCD58154  Bromus carinatus Janet Jacob 1951-4-1 64 San Mateo 7 miles east of Pescadero. Comment
  CAS-BOT-BC148976  Bromus carinatus var. carinatus Lewis S. Rose 1956-5-7 56069 San Mateo Skyline Boulevard west of San Mateo. 182 Comment
  CAS-BOT-BC148977  Bromus carinatus var. carinatus W. R. Dudley 1894-5-1 s.n. San Mateo Santa Cruz Mountain Peninsula. Crystal Springs Lake. Comment
  CAS-BOT-BC148995  Bromus carinatus var. carinatus Le Roy Abrams 1915-6-14 5558 San Mateo Kings Mountain. At first bridge. Comment
  CAS-BOT-BC148991  Bromus carinatus var. carinatus W. R. Dudley 1899-5-19 s.n. San Mateo Santa Cruz Mountain Peninsula. Head of San Mateo Creek. Comment
  CAS-BOT-BC148770  Bromus carinatus var. marginatus W. R. Dudley 1900-3-18 s.n. San Mateo Santa Cruz Mountain Peninsula. Hils east of Salida Valley. Comment
  SJSU15317  Bromus commutatus John Rawlings 2011-5-27 1090 San Mateo Edgewood Preserve; just outside preserve at HWY280 overpass along Edgewood Trail. 168 Comment
Read comments Feb 18 2015
  CAS-BOT-BC155137  Bromus hordeaceus Ned Cahill 1974-4-29 175 San Mateo Near the intersection of Canada and Edgewood Roads, about 3 miles westward from Redwood City. Comment
  JROH4919  Bromus hordeaceus John H. Thomas 1966-4-24 11580 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4929  Bromus hordeaceus John Rawlings 2010-4-28 1091 San Mateo Jasper Ridge Biological Preserve, Stanford University; on slope south of the visitor parking lot 119 Comment
  RSA195568  Bromus hordeaceus John H. Thomas 1966-4-24 11580 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  SD30516  Bromus hordeaceus 1933-4-10 2 San Mateo Stanford University; Botany Garden Comment
Read comments Apr 12 2012
  CAS-BOT-BC162408  Bromus laevipes Margaret A. Barry 1937-7-17 207 San Mateo Coal Mine Ridge. Comment
  JROH4939  Bromus laevipes W. Lennihan 1990-4-20 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Eastern draw, 40 yards down. Comment
  JROH4940  Bromus laevipes John Hunter Thomas 1992-5-25 25344 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA181249  Bromus laevipes John H. Thomas 1961-5-7 9256 San Mateo San Bruno Mountain in northern part of county. 305 Comment
  POM285930  Bromus madritensis Lyman Benson 1935-5-5 6544 San Mateo Lake Searsville; Santa Cruz Mt. Range. S. F. Bay watershed 152 Comment
  JROH4947  Bromus madritensis subsp. rubens John H. Thomas 1965-4-28 10594 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4948  Bromus madritensis subsp. rubens John Hunter Thomas 1988-6-2 24503 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near old bridge Comment
  JROH4955  Bromus madritensis subsp. rubens John Rawlings 2013-4-9 1146 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along brick path leading from visitor parking to Sun Field Station. 120 Comment
  JROH4956  Bromus madritensis subsp. rubens John Rawlings 2013-4-16 1134 San Mateo Jasper Ridge Biological Preserve, Stanford University; Escobar Gate fenceline about 50 m east of the gate 156 Comment
  CDA1797  Bromus mollis E. L. Labadie 1941-4-13 San Mateo Bayshore Freeway, Coyote Point. 0 Comment
  UCD59622  Bromus rubens P. Rodriguez-Rojo 1997-4-12 s.n. San Mateo Edgewood County Park. 200 Comment
  JROH5650  Bromus vulgaris John Rawlings 2014-5-28 1245 San Mateo Jasper Ridge Biological Preserve, Stanford University. Dry bed of San Francisquito Creek at at the Dennis Martin site. 71 Comment
  RSA119336  Bromus vulgaris S. S. Tillett, I. Sternback 1956-6-24 534 San Mateo Middleton property, behind (N.) Portola Camp Store, just outside Portola State Park. 396 Comment
  CAS-BOT-BC233709  Buddleja davidii John H. Thomas 1960-6-25 8794 San Mateo Along or near a small creek running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street, Redwood City 7 Comment
  POM144327  Cakile edentula C. F. Baker 1902-10-1 1746 San Mateo Pillar Point. Comment
  UC718801  Cakile maritima Reed C. Rollins 1942-11-4 3032 San Mateo about 5 mi n of Hal Moon Bay (Miramar Beach); Miramar Beach Comment
  UC765080  Cakile maritima R. F. Hoover 1941-2-12 4753 San Mateo Half Moon Bay Comment
  RSA26885  Cakile maritima R. C. Rollins 1941-7-19 2962 San Mateo Half Moon Bay. Comment
  CAS-BOT-BC36957  Cakile maritima var. maritima Saichi Kawahara 1968-6-15 439 San Mateo Pescadero Beach, 150 yards south of mouth of Pescadero Creek, Highway 1. 3 Comment
  HSC9414  Calamagrostis nutkaensis C. B. Wolf 1927-6-4 San Mateo S of Pescadero Comment
  JROH5602  Calamagrostis rubescens John Rawlings 2014-3-18 1208 San Mateo Jasper Ridge Biological Preserve, Stanford University; near jct of and between trails 5 and 2. 83 Comment
  SJSU9863  Calamagrostis rubescens S. H. Casey 1975-6-20 556 San Mateo Dean Trail, Huddert Park W of Woodside 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-BC438532  Calandrinia ciliata Le Roy Abrams 1902-5-4 2406 San Mateo Woodside Comment
  JROH3323  Calandrinia ciliata John H. Thomas 1973-3-11 16478 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1633  Callitriche marginata John H. Thomas 1968-3-17 14193 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4597  Calochortus albus John H. Thomas 1967-6-1 12976 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4605  Calochortus albus John H. Thomas 1976-5-26 18152 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA377255  Calochortus albus D. D. Keck 1932-5-13 1778 San Mateo Above Woodside on La Honda road, E slope of the Santa Cruz Mtns. Comment
  UC843620  Calochortus albus Lewis S. Rose 1939-5-13 39115 San Mateo w of Burlingame 60 Comment
  CAS-BOT-BC492207  Calochortus albus Marion Ownbey; Ruth P. Ownbey 1938-7-7 1698 San Mateo Canyonside, Redwood Belt, Santa Cruz Mts., 3 miles west of Woodside Comment
  CAS-BOT-BC492218  Calochortus albus David D. Keck 1932-5-13 1778 San Mateo Along Woodsideon La Honda road, east slope of Santa Cruz Mtns. Comment
  JROH4641  Calochortus luteus John Hunter Thomas 1989-5-30 24753 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near dam Comment
  UC3425  Calochortus luteus Alice Eastwood May 1896 San Mateo Crystal Springs Comment
  CAS-BOT-BC491986  Calochortus luteus Margaret A. Barry 1937-5-23 251 San Mateo Open woods on Coal Mine Ridge Comment
  CAS-BOT-BC389721  Calochortus tolmiei M. K. Wicksten 1971-6-16 39 San Mateo Huddart Prk. Comment
  CAS-BOT-BC496828  Calochortus tolmiei W. R. Dudley 1907-4-27 s.n. San Mateo Kings Mt., Santa Cruz Mountain Peninsula 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
  JROH561  Calycadenia multiglandulosa John H. Thomas 1967-11-5 14128 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH562  Calycadenia multiglandulosa John H. Thomas 1967-11-5 14128 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH563  Calycadenia multiglandulosa John H. Thomas 1968-10-29 14858 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH570  Calycadenia multiglandulosa John Hunter Thomas 1983-6-29 22717 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5811  Calycadenia multiglandulosa John Rawlings 2016-8-16 1940 San Mateo Jasper Ridge Biological Preserve, Stanford University; along birder transect path in rocky serpentine prairie on ridge-top (Area C) 174 Comment
  POM263769  Calycadenia multiglandulosa L. S. Rose 1941-6-12 41268 San Mateo Emerald Lake, hills west of Redwood City. 120 Comment
  SEINET3480492  Calycadenia multiglandulosa L. S. Rose 1941-6-12 1897 San Mateo Emerald Lake, Emerald Lake, West of Redwood City 120 Comment
  JROH1839  Calystegia purpurata subsp. purpurata John H. Thomas 1968-4-19 14294 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC436440  Calystegia subacaulis George Oberlander 1950-4-16 739 San Mateo San Francisco Watershed Reserve, south boundary Comment
  CAS-BOT-BC436442  Calystegia subacaulis Peter H. Raven 1950-6-3 2234 San Mateo Millbrae Ave. 91 Comment
  CHSC447  Calystegia subacaulis V. Holt 1943-4-21 San Mateo 6 Comment
  UC1594174  Calystegia subacaulis subsp. subacaulis Jerry Powell 1991-6-1 1605 San Mateo Edgewood County Park. Comment
  POM181721  Camissonia ovata H. F. Copeland 1928-2-26 78 San Mateo Montara Comment
  SD38643  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Edith A. Purer 1934-8-14 5388 San Mateo 2.0 miles south of Pigeon Point. Comment
  UCSC007727  Camissoniopsis micrantha Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  SEINET10463066  Campanula prenanthoides Wolf 1927-8-13 WOLF 714 San Mateo Summit La Honda Grade Comment
  SEINET10463364  Campanula prenanthoides Elvander 1970-7-5 ELVANDER 287 San Mateo 1 mile on Water Pant road from intersection with entrance to Butano State Park. Sandy loam, redwood forest. 152 Comment
  CAS-BOT-BC37666  Cardamine californica L. R. Abrams 1914-3-1 5059 San Mateo Kings Mountain Road. Comment
  HSC23887  Cardamine californica Mary Katherine Wicksten 1971-7-7 158 San Mateo Huddart Park, along road to family campground. Comment
  JROH1482  Cardamine californica John H. Thomas 1967-4-28 12727 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS23932  Cardamine californica var. integrifolia LeRoy Abrams 1902-3-16 2274 San Mateo Kings Mountain Comment
  SEINET12004998  Cardamine integrifolia G. A. McCallum 1933-1 s.n. San Mateo back of Stanford Campus Comment
  JEPS23926  Cardamine oligosperma LeRoy Abrams 1902-4-5 2308 San Mateo Searsville 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
  CAS-BOT-BC384844  Cardionema ramosissimum 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
  JEPS48963  Carex amplifolia James G. Daly 1934-1 424 San Mateo upper Corte de Madera Canyon Comment
  UC822664  Carex amplifolia H. A. Borthwick 1920-5-18 157 San Mateo Sierra Morena Santa Cruz Mountain Peninsula, Sierra Morena 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
  JROH4316  Carex barbarae John Hunter Thomas 1986-5-17 24049 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC823145  Carex barbarae Alice Eastwood, John Thomas Howell 1938-4-24 5247 San Mateo Lobitas Comment
Read comments Oct 30 2021
  CAS-BOT-BC19321  Carex barbarae W. R. Dudley 1909-4-27 s.n. San Mateo The Santa Cruz Mountain Peninsula. Ponds by roadside near Crystal Spring Lake. Comment
  CAS-BOT-BC19325  Carex barbarae Walter Knight; Irja Knight 1965-4-15 s.n. San Mateo San Bruno Mountain. Mouth of Colma Canyon. Comment
  JROH4315  Carex barbarae John H. Thomas 1974-7-6 17472 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC19543  Carex bolanderi Lewis S. Rose 1933-6-23 33253 San Mateo Kings Mountain. Comment
  JROH4325  Carex bolanderi John Rawlings 2010-5-19 1050 B San Mateo Jasper Ridge Biological Preserve, Stanford University; 5 yards north (lakeside) of Leonard's Bridge 106 Comment
  JROH4326  Carex bolanderi John Rawlings 2012-5-15 1121 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along bank of Bear Creek at its crossing of Road H near boundary fence. 82 Comment
  CAS-BOT-BC34076  Carex brevicaulis Alice Eastwood; John Thomas Howell; J. W. Stacey 1938-4-24 5250 San Mateo Tunitas. Comment
  CAS-BOT-BC18929  Carex densa A. D. E. Elmer 1903-6-1 4428 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC18944  Carex densa Margaret A. Barry 1938-5-8 s.n. San Mateo On Coal Mine Ridge. Comment
  JROH4335  Carex densa John Rawlings 2010-5-19 1051 San Mateo Jasper Ridge Biological Preserve, Stanford University. A few yards south of Trail 1 and west of its intersection with Trail a. 88 Comment
  UC824434  Carex densa W. R. Dudley 1896-4-4 San Mateo near Summit Springs, Kings Mountain Comment
  CAS-BOT-BC18943  Carex densa W. R. Dudley 1900-3-18 s.n. San Mateo Santa Cruz Mountain Peninsula. Above keepers house, San Andreas Reservoir. Comment
  UCD140267  Carex densa Alice Eastwood; John Thomas Howell 1937-5-7 4327 San Mateo Visatacion Valley. Comment
  JROH4336  Carex divulsa subsp. divulsa John Rawlings 2013-5-7 1175 San Mateo Jasper Ridge Biological Preserve, Stanford University; on the lake side and near east end of Leonard's Bridge on the bank of the channel 107 Comment
  SEINET3128116  Carex dudleyi L. S. Rose 1939-4-14 39064 San Mateo South San Francisco 15 Comment
  CAS-BOT-BC19944  Carex exsiccata W. R. Dudley 1894-5-1 s.n. San Mateo Santa Cruz Mountain Peninsula. Between Woodside and Crystal Springs. Comment
  CAS-BOT-BC21811  Carex harfordii Lewis S. Rose 1935-5-29 35194 San Mateo Kings Mountain. Comment
  CAS-BOT-BC21815  Carex harfordii Alice Eastwood; John Thomas Howell 1938-6-26 6059 San Mateo Near Pescadero. Comment
  CAS-BOT-BC21818  Carex harfordii Alice Eastwood; John Thomas Howell 1938-6-26 6070 San Mateo Pigeon Point. Comment
  CAS-BOT-BC32499  Carex obnupta Henry Nicholas Bolander 1566 San Mateo Near Fort Point Comment
Read comments Oct 30 2021
  RSA788837  Carex obnupta Peter Rubtzoff 1978-3-18 9173 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  POM79433  Carex serratodens C. F. Baker 1902-5-10 811 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC117648  Carex serratodens W. R. Dudley 1909-4-27 s.n. San Mateo Whipple Road between Woodside and Crystal Spr. Lake Comment
  CAS-BOT-BC117652  Carex serratodens Elizabeth McClintock 1978-3-25 s.n. San Mateo Gilmore McDowell property, Woodside. Comment
  CAS-BOT-BC173826  Carex subbracteata Peter Rubtzoff; Roman Gankin 1975-5-21 7975 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CDA34492  Carex subbracteata D. G. Kelch, David Gernandt, Steffi Ickert-Bond, Yingli Guo 2011-4-22 11 .176 San Mateo Swanton Rd just S of Ano Nuevo above Weddell Creek. Comment
  CAS-BOT-BC176406  Carex subbracteata Peter Rubtzoff 1978-5-18 9172 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, westernmost part of the area. Comment
  RSA783466  Carex subbracteata Peter Rubtzoff, Roman Gankin 1975-5-21 7975 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction Comment
  UC750651  Carex subbracteata Lewis S. Rose 1939-4-14 39063 San Mateo South San Franciso 15 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-BC116818  Carex subbracteata var. subbracteata John Thomas Howell 1938-5-1 13779 San Mateo Near South San Francisco Comment
  CAS-BOT-BC116832  Carex subbracteata var. subbracteata Adolph Daniel Edward Elmer 1903-6-1 4429 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC115513  Carex tumulicola W. R. Dudley 1898-4-24 s.n. San Mateo El Corte Madera Comment
  JROH4370  Carex tumulicola John Hunter Thomas 1981-4-30 20517 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA20504  Carthamus creticus J. Beall 2004-8-6 PDR 1329641 San Mateo San Francisco Bay Area; at 60 Langley Hill Rd in La Honda. 0 Comment
  UC84186  Carthamus lanatus T. S. Brandegee 1891-7-1 San Mateo South San Francisco Comment
  CAS-BOT-BC249187  Castilleja affinis James McMurphy 1902-4-6 s.n. San Mateo Coal Mine Ridge Comment
  JEPS103885  Castilleja affinis subsp. affinis T. I. Chuang 1991-7-20 7878 San Mateo Mussel Rock Comment
  JEPS86226  Castilleja affinis subsp. affinis L. R. Heckard 1970-5-5 2451 San Mateo n side San Bruno Mountain (n spur) 60 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
  JROH3942  Castilleja affinis subsp. affinis John H. Thomas 1974-4-25 17213 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3953  Castilleja affinis subsp. affinis John Rawlings 2013-4-23 1172 San Mateo Jasper Ridge Biological Preserve, Stanford University. Uphill from Trail c. 180 Comment
  SJSU15408  Castilleja affinis subsp. affinis Toni Corelli 2010-5-13 609 San Mateo Pedro Point Headlands, Pacifica CA; along Arroyo Trail 110 Comment
  UC138696  Castilleja affinis subsp. affinis C. F. Baker 1902-4-6 464 San Mateo Crystal Springs Lake Comment
  SD88447  Castilleja ambigua subsp. ambigua Darley F. Howe 1972-6-25 San Mateo 7.5 miles north of Half Moon Bay Comment
  UC406881  Castilleja ambigua subsp. ambigua David D. Keck 1927-6-10 394 San Mateo Montara Point; Radio Station 0 Comment
  SBBG40478  Castilleja ambigua subsp. ambigua W. J. Dress 1951-5-12 3339 San Mateo 4.5 mi N of Pigeon Point Comment
  JROH3981  Castilleja densiflora subsp. densiflora John Hunter Thomas 1981-4-23 20472 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SBBG54571  Castilleja densiflora subsp. densiflora F. W. Pennell, D. D. Keck 1940-5-15 25425 San Mateo 4 mi W of Burlingame 152 Comment
  CHSC39846  Castilleja foliolosa Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  POM204428  Castilleja franciscana E. C. Sutliffe 1933-5-17 s.n. San Mateo Skyline Boulevard. Comment
  CAS-BOT-BC243838  Castilleja latifolia Alice Eastwood; John Thomas Howell 1938-4-24 5252 San Mateo Tunitas Comment
  JEPS103889  Castilleja latifolia T. I. Chuang and F. M. Chuang 1991-6-29 7852 San Mateo Just south of Pescadero State Beach, on highway 1 Comment
  POM283643  Castilleja latifolia Lyman D. Benson 1930-6-14 2158 San Mateo San Gregorio. 30 Comment
  JROH3993  Castilleja rubicundula subsp. lithospermoides John H. Thomas 1958-5-10 7147 San Mateo Jasper Ridge Biological Preserve, Stanford University; on the top of ridge Comment
  JROH4005  Castilleja rubicundula subsp. lithospermoides John Hunter Thomas 1982-4-30 20879 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  JEPS21810  Castilleja subinclusa subsp. franciscana Alvin W. Urquhart 1958-4-20 33 San Mateo n of Pomponio Creek road (along State Hwy 1, old coast highway) 124 Comment
  JEPS3599  Castilleja subinclusa subsp. franciscana J. H. Thomas 1949-6-4 597 San Mateo 4 mi w La Honda (on road to Pescadero) Comment
  JEPS85202  Castilleja subinclusa subsp. franciscana Roy E. Buck and James A. West 1986-8-17 553 San Mateo ca 3.2 air km ene Franklin Point (Cascade Ranch, just s of Whitehouse Canyon Road, next drainage s of Whitehouse Creek drainage, on both sides of old ranch road) 106 Comment
  CAS-BOT-BC32579  Castilleja wightii Adolph Daniel Edward Elmer 1903-7-1 4761 San Mateo San Pedro Comment
  CAS-BOT-BC32580  Castilleja wightii Adolph Daniel Edward Elmer 1903-7-1 4761 San Mateo San Pedro Comment
  CDA930  Castilleja wightii D. G. Kelch, B. G. Baldwin, Sue Bainbridge, Abigail Moore 2005-6-21 5 .371 San Mateo S.F. Water District land, near Spring Valley. NE corner Pilarcitos Lake. Comment
  JEPS19719  Castilleja wightii Peter H. Raven 1957-6-24 10965 San Mateo just s Linda Mar Comment
  JEPS20780  Castilleja wightii Lawrence Beane 1949-6-2 484 San Mateo s of Pescadero (beyond lighthouse on hillside, Highway 1) Comment
  JEPS29419  Castilleja wightii L. R. Heckard 1961-7-16 1267 San Mateo near San Bruno Mt. summit; San Bruno Mt. 304 Comment
  JEPS34471  Castilleja wightii L. R. Heckard, and R. Bacigalupi 1963-7-2 1360 San Mateo nw slope Montara Peak (trail to Montara Peak, above old county road) 304 Comment
  JEPS8516  Castilleja wightii Elsie M. Zeile 1925-3-22 San Mateo Colma Canyon Comment
  RSA10376A  Castilleja wightii H. A. Barker 1926-5-1 606 San Mateo Kings Mt. Comment
  UC202800  Castilleja wightii A. D. E. Elmer Jul 1903 4761 San Mateo San Pedro; ; San Pedro, San Mateo Co. Comment
Read comments Nov 23 2007
  JEPS60424  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-21 6664 San Mateo Along Skyline Boulevard (Hwy 35) 3 mi N of its jct with road to La Honda (Rte. 84) Comment
  JEPS88823  Castilleja wightii T. I. and F. M. Chuang 1991-7-1 7846 San Mateo 1.1 mi n Montana Comment
  POM20827  Castilleja wightii Katherine Brandegee 1917-7-15 s.n. San Mateo Moss Beach between the station and the bluffs. Comment
  POM248731  Castilleja wightii J. T. Howell 1938-5-1 13767 San Mateo Colma Canyon. Comment
  RSA0005986  Castilleja wightii A. D. E. Elmer 1903-07 4761 San Mateo San Pedro. Comment
  SEINET8357659  Castilleja wightii A. D. E. Elmer 1903-1 4761 San Mateo San Pedro. Comment
  SJSU11476  Castilleja wightii S. H. Casey 1969-5-18 250 San Mateo San Bruno Mt below Fern Rock Comment
  CAS-BOT-BC39379  Caulanthus lasiophyllus L. R. Abrams 1917-4-12 6434 San Mateo Near Crystal Springs Lake. Comment
  CAS-BOT-BC39380  Caulanthus lasiophyllus Roxana S. Ferris 1921-4-7 2150 San Mateo Santa Cruz Mountain Peninsula. San Bruno Mountain. 182 Comment
  CAS-BOT-BC39389  Caulanthus lasiophyllus Ned Cahill 1974-4-29 170 San Mateo Near the intersection of Canada and Edgewood roads, about 3 miles westward from Redwood City. Comment
  JROH1527  Caulanthus lasiophyllus John H. Thomas 1971-4-10 15759 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1528  Caulanthus lasiophyllus John H. Thomas 1971-4-10 15759 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-BC48305  Ceanothus cuneatus W. R. Dudley 1894-3-1 s.n. San Mateo Ridge between Los Trancos Creek and San Francisquito Creek Comment
  CAS-BOT-BC48308  Ceanothus cuneatus Lewis S. Rose 1964-3-23 64011 San Mateo Emerald Lake, w. of Redwood City 121 Comment
  UC311168  Ceanothus cuneatus var. cuneatus A. D. E. Elmer March, 1903 4578 San Mateo Portola Comment
  RSA130826  Ceanothus oliganthus W. R. Dudley 1902-5-17 s.n. San Mateo King Mountain rd. Comment
  CAS-BOT-BC51594  Ceanothus oliganthus var. sorediatus A. D. E. Elmer 1903-5-1 4479 San Mateo Portola Comment
  CAS-BOT-BC51606  Ceanothus oliganthus var. sorediatus William R. Dudley 1904-4-7 s.n. San Mateo Santa Cruz Mts. Comment
  UC1206472  Ceanothus oliganthus var. sorediatus Le Roy Abrams 1902-4-5 2307 San Mateo Searsville Comment
  CAS-BOT-BC51237  Ceanothus papillosus David D. Keck 1932-5-11 1774 San Mateo East side of Kings Mountain, on Kings Mountain Road 502 Comment
  CAS-BOT-BC51850  Ceanothus papillosus Charles Piper Smith 1905-4-26 868 San Mateo Woodside. Cahil Ridge. King's Mt. Road 365 Comment
  LA45133  Ceanothus papillosus David D. Keck; 1932-5-11 1774 San Mateo E. side of Kings Mountain, on Kings Mountain Road 500.0 Comment
  CAS-BOT-BC52300  Ceanothus thyrsiflorus W. R. Dudley 1900-4-15 s.n. San Mateo Above Crystal Springs and Half Moon Bay road Comment
  CDA34570  Ceanothus thyrsiflorus M. Beyers, Z. Bakman, L. Feely, & D. Sozanni 2011-4-4 868 San Mateo Pacifica: San Pedro Valley County Park, along Brooks Creek Trail. 148 Comment
  RSA19208  Ceanothus thyrsiflorus R. S. Woglum 1935-5-25 1152 San Mateo Skyline Drive, S of San Francisco Comment
  RSA398960  Ceanothus thyrsiflorus Harlan Lewis 1908-4-20 s.n. San Mateo Crystal Springs Lake. 213 Comment
  UC216272  Ceanothus thyrsiflorus W. R. Dudley 1904-12-7 San Mateo e Baker Beach (Santa Cruz Mountain Peninsula); , e of Baker Beach Comment
Read comments Nov 3 2021
  UC79917  Ceanothus thyrsiflorus Alice Eastwood April 1893 San Mateo San Bruno Range Comment
  SD37640  Ceanothus thyrsiflorus var. griseus Edith A. Purer 1933-5-5 3601 San Mateo Alpine Road Comment
  UC306675  Centaurea calcitrapa A. D. E. Elmer Jul 1903 4961 San Mateo Crystal Springs Lake Comment
  UC463564  Centaurea calcitrapa L. R. Abrams and I. L. Wiggins 1930-11-13 174 San Mateo above Crystal Springs Lake Comment
  RSA131005  Centaurea calcitrapa H. L. Mason 1921-10 s.n. San Mateo County Hospital, Belmont. Crystal Springs Road Comment
  UCD130018  Centaurea cyanus Jane A. Reese 1966-6-11 125 San Mateo northwest slope, Whiskey hill road, 1 mile from Junction with Woodside Road. 152 Comment
  CAS-BOT-BC277071  Centaurea melitensis Elizabeth McClintock; Paul Reeberg 1988-7-13 s.n. San Mateo San Bruno Mountains. Near the southwest corner of Guadalupe Valley 76 Comment
  CAS-BOT-BC277121  Centaurea melitensis Margaret A. Barry 1937-6-22 167 San Mateo Exposed top of Coal Mine Ridge 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
  HSC23977  Centaurea melitensis Mary Katherine Wicksten 1971-6-24 118 San Mateo Huddart Park, side of park entrance Comment
  CAS-BOT-BC277231  Centaurea solstitialis Ned Cahill 1974-7-14 351 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  RSA22960  Centaurium davyi L. R. Abrams, I. L. Wiggins 1939-6-3 423 San Mateo Ano Nuevo Point. Comment
  OBI48603  Centromadia pungens subsp. pungens Lewis S. Rose 1938-8-18 38231 San Mateo San Mateo Comment
  SJSU15233  Centromadia pungens subsp. pungens Toni Corelli 2013-8-16 455 San Mateo Ravenswood Open Space Preserve, east end of Bay Road, East Palo Alto 4 Comment
  UC1080532  Centromadia pungens subsp. pungens Sherwin Cariquist 1957-7-5 411 San Mateo 4 mi s of San Carlos; Highway 101 (Bayshore Highway) Comment
  POM151596  Cerastium glomeratum A. D. E. Elmer 1903-04 4473 San Mateo San Bruno Hills 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
  CAS-BOT-BC400168  Ceratophyllum demersum Roxana S. Ferris 1920-9-3 2042 San Mateo Santa Cruz Mountain Peninsula. In upper Mud Lake, Coal Mine Ridge Comment
  CHSC57077  Chenopodium californicum Steven Triano 1988-5-24 212 San Mateo Located ca 750 ft s of Hwy. 1 and 2.9 mi s of Pigeon Point Light Station. 24 Comment
  JROH1819  Chenopodium californicum John H. Thomas 1966-4-29 11585 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSC007731  Chenopodium californicum Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  RSA181237  Chenopodium murale John H. Thomas 1963-5-20 10106 San Mateo Ano Nuevo Island, 1/2 mile off shore and about 20 miles NW of Santa Cruz. 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-BC497728  Chlorogalum pomeridianum Hester R. Davis 1920-6-2 199 San Mateo Serpentine Creek and Redwood City Comment
  CAS-BOT-BC497730  Chlorogalum pomeridianum Walter & Irja Knight 1964-5-4 s.n. San Mateo Colma Canyon Comment
  IRVC9050  Chlorogalum pomeridianum P. W. Rundel 1963-7-7 1144 San Mateo San Francisco Bay drainage area; Kings Mtn Road; woodside. Santa Cruz Mountains 305 Comment
  JROH4642  Chlorogalum pomeridianum var. pomeridianum unspecified 1895-6-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge near the Searsville Dam Comment
  UCR240779  Chlorogalum purpureum T. B. Salvato, Lia V. D. Mansfield, Joel-Henry J. Mansfield 2008-6-14 3519 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
Read comments Aug 30 2018
  CAS-BOT-BC191594  Chorizanthe cuspidata var. cuspidata A. D. E. Elmer 1903-5-1 4793 San Mateo San Pedro Comment
  UC162391  Chorizanthe cuspidata var. cuspidata A. A. Heller 1906-6-8 8383 San Mateo near Ocean View, San Francisco; near Ocean View, San Francisco Comment
  NY285630  Chorizanthe cuspidata var. marginata A. D. E. Elmer 05 1903 4828 San Mateo San Pedro Comment
  UC125349  Chorizanthe robusta Katharine Brandegee June 1905 San Mateo Colma Comment
  RSA181223  Chrysanthemum leucanthemum John H. Thomas 1964-6-19 10424 San Mateo 0.9 miles S of Tunitas Creek near Coast Hwy, 61 Comment
  SEINET10871824  Chrysolepis chrysophylla var. minor Mary Susan Taylor 1978-8-30 Taylor 1868 San Mateo Comment
  JROH2586  Cicendia quadrangularis John H. Thomas 1973-4-20 16579 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2585  Cicendia quadrangularis John H. Thomas 1968-4-19 14301 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA20522  Cirsium brevistylum E. Finley 2005-4-21 PDR 1365078 San Mateo San Francisco Bay Area; Bean Hollow Rd, Pescadero. 0 Comment
  CAS-BOT-BC100936  Cirsium fontinale var. fontinale John Thomas Howell 1932-10-19 10852 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC100946  Cirsium fontinale var. fontinale A. D. E. Elmer 1903-6-1 4292 San Mateo Crystal Springs Lake Comment
  SJSU2899  Cirsium fontinale var. fontinale G. E. Pilz 1965-7-12 114 San Mateo E side Crystal Springs Reservoir in outer S Coast Ranges 121 Comment
  SEINET14157453  Cirsium fontinale var. fontinale Unknown San Mateo Comment
  UCSC007732  Cirsium occidentale Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  UC962069  Cirsium quercetorum E. E. Gilbert 1952-5-23 San Mateo e margin of Crystal Springs Lake Crystal Springs Lake Comment
  JROH637  Cirsium vulgare John H. Thomas 1973-6-15 16841 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC285865  Cirsium vulgare Cherie Wetzel 1969-7-28 996 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  CAS-BOT-BC285871  Cirsium vulgare Elizabeth McClintock 1967-9-24 s.n. San Mateo San Bruno Mountain. Crocker Avenue Comment
  RSA791714  Clarkia Robert F. Thorne, P. Everett 1965-8-1 35076 San Mateo 21.5 miles S of Golden Gate Bridge. 69 Comment
  CAS-BOT-BC172091  Clarkia davyi Peter H. Raven 1950-6-3 22301 San Mateo Roadside cut, Millbrae Ave., Millbrae 91 Comment
  RSA60758  Clarkia davyi A. A. Heller 1906-6-8 8382 San Mateo Near Ocean View, San Francisco Comment
  CAS-BOT-BC165123  Clarkia rubicunda Peter H. Raven 1957-6-24 10969 San Mateo 0.5 miles south of San Gregorio on old coast highway Comment
  CAS-BOT-BC165129  Clarkia rubicunda Josephine D. Randall 1907-7-23 268 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC165146  Clarkia rubicunda Phillip C. Wheeler 1965-6-19 s.n. San Mateo [Serra] Sierra Point Comment
  CAS-BOT-BC165147  Clarkia rubicunda Louis C. Wheeler 1965-6-21 s.n. San Mateo Sierra Point Comment
  RSA113601  Clarkia rubicunda Peter H. Raven 1957-6-24 10972 San Mateo North of the Light House, Pigeon Point Comment
  UC1071884  Clarkia rubicunda H. and M. Lewis 1951-6-28 862 San Mateo 0.6 mi s of road to Redwood City (Hwy. 1); Tunitas Creek Comment
  UC1279894  Clarkia rubicunda Peter H. Raven 1957-6-20 10955 San Mateo hills above se end Lake San Andreas Comment
  UC1279905  Clarkia rubicunda Peter H. Raven 1957-6-24 10962 San Mateo just s Linda Mar (along State Highway 1) Comment
  UC625368  Clarkia rubicunda Ira L. Wiggins 1938-7-9 8933 San Mateo about 1/2 mi n Light House; Pigeon Point Comment
  UC930770  Clarkia rubicunda Mrs. Phipps July 1922 San Mateo Tunitas Creek Comment
  CAS-BOT-BC165136  Clarkia rubicunda Peter H. Raven 1957-6-20 10955 San Mateo Above south-east end of Lake San Andreas Comment
  CAS-BOT-BC165159  Clarkia rubicunda Lewis S. Rose 1957-7-6 57117 San Mateo Skyline Blvd. w. of San Mateo 182 Comment
  RSA113581  Clarkia rubicunda Peter H. Raven 1957-6-30 11012 San Mateo Near bridge over Tunitas Creek along State Highway 1 Comment
  RSA113612  Clarkia rubicunda Peter H. Raven 1957-6-30 11017 San Mateo 3.0 miles from State Highway 5 (Skyline Boulevard) on road to Portola State Park Comment
  RSA41288  Clarkia rubicunda Robert F. Hoover 1941-5-20 5108 San Mateo Redwood City hills Comment
  UC917340  Clarkia rubicunda W. A. Harvey and J. M. Tucker 1948-6-29 1709 San Mateo just w Highway 5 (Skyline Boulevard) (beside road to Portola State Park) Comment
  RSA128518  Clarkia rubicunda subsp. blasdalei L. R. Abrams 1907-8-25 s.n. San Mateo Santa Cruz Mountain Peninsula: Between Pescadero and Half Moon Bay Comment
  CAS-BOT-BC165602  Clarkia unguiculata John H. Thomas 1969-6-4 15105 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto Comment
  JROH3333  Claytonia exigua subsp. exigua John H. Thomas 1971-4-24 15771 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC439288  Claytonia exigua subsp. exigua George Oberlander 1950-2-1 445 San Mateo San Francisco Watershed Reserve. Near south boundary Comment
  UCSC007733  Claytonia parviflora Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC439990  Claytonia perfoliata subsp. mexicana Peter H. Raven 1951-3-12 2746 San Mateo Summit ridge San Bruno Mountains Comment
  JROH3416  Clematis lasiantha John H. Thomas 1979-4-12 19450 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5686  Clematis lasiantha John Rawlings 2015-3-3 1310 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 9. 194 Comment
  POM151213  Clematis lasiantha C. F. Baker 1902-4-12 499 San Mateo La Honda. Comment
  SEINET12087591  Clematis lasiantha L. R. Abrams 1914-1 5076 San Mateo Woodside Comment
  CAS-BOT-BC92558  Clematis ligusticifolia Josephine D. Randall 1907-6-6 306 San Mateo Santa Cruz Peninsula. Los Trancos Road near Stanford University. Comment
  JROH2877  Clinopodium douglasii John H. Thomas 1973-6-15 16845 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2878  Clinopodium douglasii John Hunter Thomas 1977-6-16 18742 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC499407  Clintonia andrewsiana Mrs. Donahue 1921-5-30 s.n. San Mateo Kings Mt. Comment
  POM196565  Clintonia andrewsiana W. R. Dudley 1895-6-6 s.n. San Mateo Pescadero Creek near Iverson. 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
  UC138687  Collinsia sparsiflora var. collina C. F. Baker 1902-4-4 444 San Mateo Crystal Springs Lake Comment
  JEPS47718  Collinsia sparsiflora var. collina Elizabeth McClintock 1965-3-21 San Mateo n side of San Bruno Mountain (1/4 mi e of Brisbane power lines) 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
  JROH218  Conium maculatum John Hunter Thomas 1982-5-18 20947 San Mateo Jasper Ridge Biological Preserve, Stanford University; along Searsville Lake near bridge Comment
  POM87978  Conium maculatum L. R. Abrams 1901-12 2243 San Mateo Kings Mountain Comment
  POM133231  Conium maculatum C. F. Baker 1902-12-1 196 San Mateo Summit of Coast Range Comment
  SEINET4182808 Image available Conium maculatum Robert A. Norris 1985-10-11 4979 San Mateo San Francisco, near S end of Middle Lake, Chain of Lakes, Gold State Park, San Francisco F. Co., Calif. Fls. white. Comment
  JROH1848  Convolvulus arvensis John Hunter Thomas 1978-5-12 19200 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC285992  Conyza bonariensis W. Knight; I. Knight 1966-10-4 2042 San Mateo San Bruno Mountain. Crocker hills marsh between Geneva and Guadalupe parkway Comment
  RSA176609  Conyza canadensis John H. Thomas 1961-8-27 9694 San Mateo Colma; open sandy field near intersection of El Camino Real and F Street 46 Comment
  IRVC9058  Corallorhiza maculata P. W. Rundel 1963-7-7 1145 San Mateo San Francisco Bay drainage area; Kings Mtn Road; woodside. Santa Cruz Mountains 305 Comment
  JEPS64360  Corallorhiza striata Inez Smith Mar. 1915 San Mateo Hillsboro Comment
  SEINET4676141  Cordylanthus pilosus Lewis S. Rose 1941-8-9 41362 San Mateo Woodside.; 0 60 Comment
  RSA181266  Cordylanthus pilosus subsp. pilosus John H. Thomas 1958-8-1 7377 San Mateo Between Searsville and Skyline. Comment
  RSA17972  Cordylanthus pilosus subsp. pilosus Carl B. Wolf 1927-7-28 707 San Mateo Los Trancos Creek, 2 mi back of Stanford University. Comment
  CAS-BOT-BC101476  Corethrogyne filaginifolia David D. Keck 1932-5-25 1785 San Mateo East side of Crystal Springs Lake Comment
  CAS-BOT-BC101484  Corethrogyne filaginifolia John Thomas Howell 1962-6-6 37415 San Mateo Crystal Springs Lake Comment
  SEINET12136511  Cornus californica R. C. Croker 1929-1 69 San Mateo Searsville Lake Comment
  RSA0019451  Cornus glabrata C. B. Wolf 1931-8-20 2326 San Mateo Los Trancos Creek, 2 miles back of Stanford University, near Schenkel's Camp. 91 Comment
  JROH1865  Cornus sericea subsp. sericea John H. Thomas 1967-5-31 12933 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1866  Cornus sericea subsp. sericea John Hunter Thomas 1977-6-16 18791 San Mateo Jasper Ridge Biological Preserve, Stanford University; along raised causeway Comment
  JROH5668  Cortaderia selloana John Rawlings 2013-12-3 1242 San Mateo Jasper Ridge Biological Preserve, Stanford University; west side of the Corte Madera Creek main channel, visible from Trail 13. 109 Comment
  RSA481440  Corylus cornuta var. californica Paul C. Silva 1948-1-31 2621 San Mateo Skyline Blvd. just north of junction of Alpine Creek Road. 701 Comment
  SEINET12034012  Corylus rostrata var. californica Unknown 1929-1 7292 San Mateo Kings Mtn 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
  JEPS118180  Cotoneaster hodjingensis Dean W. Taylor 2004-6-2 19078 San Mateo San Bruno Mountain, southeast margin of the radio towers at the summit 365 Comment
  JROH659  Cotula australis John H. Thomas 1979-4-8 19445 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1192140  Cotula coronopifolia Malcolm A. Nobs and S. Galen Smith 1949-8-26 1591 San Mateo marshes at mouth Pescadero Creek Comment
Read comments Feb 28 2011
  CAS-BOT-BC427833  Crassula connata John H. Thomas 1965-4-29 10630 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  CAS-BOT-BC427839  Crassula connata A. D. E. Elmer 1903-4-1 4719 San Mateo San Bruno Hills Comment
  JROH1887  Crassula connata John H. Thomas 1973-3-12 16482 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1888  Crassula connata John H. Thomas 1977-4-2 18509 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS50008  Crassula connata var. erectoides W. L. Jepson 1921-4-3 9106 San Mateo Colma Comment
  JROH3655  Crataegus monogyna John Hunter Thomas 1984-4-24 23299 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD163786  Crepis capillaris Peter Rubtzoff 1988-6-9 9926 San Mateo San Bruno Mountains, near parking lot on east side of 'saddle' area. Comment
  CAS-BOT-BC290925  Crepis vesicaria John Thomas Howell 1975-4-18 s.n. San Mateo From the home of Mrs. Hewlett Lee, Berenda Farm, Portola Valley Comment
  JROH1959  Croton setiger John H. Thomas 1974-10-26 17631 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC389725  Croton setiger M. K. Wicksten 1971-7-20 148 San Mateo Huddart Pk. Comment
  JROH4995  Crypsis schoenoides John Hunter Thomas 1988-10-17 24598 San Mateo Jasper Ridge Biological Preserve, Stanford University; on delta in lake Comment
  JEPS90291  Cryptantha clevelandii Dean W. Taylor 1989-8-1 10415 San Mateo saddle between North Peak and Montara Knob (Santa Cruz Mountains, Montara Mountain, dirt road serrving PG&E Half Moon Bay to Pacifica high-voltage transmission lines); Santa Cruz Mountains, Montara Mountain 518 Comment
  JROH1365  Cryptantha micromeres John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5593  Cryptantha micromeres John Rawlings 2013-4-19 1179 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Trail 11 in chaparral. 144 Comment
  RSA157756  Cryptantha micromeres I. L. Wiggins 1925-4-11 1611 San Mateo San Mateo County, E of rock Crusher on San Francisquito Creek. Comment
  JROH1374  Cryptantha microstachys John H. Thomas 1973-4-7 16518 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC78697  Cryptantha torreyana T. S. Brandegee 1890-5-22 San Mateo La Honda Comment
Read comments Feb 3 2010
  CAS-BOT-BC80653  Cupressus goveniana Harry A. Dutton 1949-9-1 s.n. San Mateo On the north bank of the North Fork of Butano Creek (common corner of Sections 11 & 12 and 13 & 14, range 4 W) Comment
  CAS-BOT-BC80654  Cupressus goveniana W. R. Dudley s.n. San Mateo Ridge between Pescadero and Butano. Santa Cruz Mountains Comment
  CAS-BOT-BC80790  Cupressus macrocarpa J. H. Thomas 1964-6-19 10423 San Mateo About 1/2 mi below Skyline Blvd. on Half Moon Bay Road toward Crystal Springs Reservoir. Comment
  SEINET3863379 Image available Cupressus macrocarpa Lois R. O'Brien 1963-3-9 95 San Mateo San Bruno Mountains, on Radio Road 1 mile from Estrada Way. Southeast facing slope at road.; 0 137 Comment
  RSA130967  Cuscuta salina S. D. Halsey 1908-9-26 s.n. San Mateo near Cooley's Landing Comment
  UC580080  Cuscuta salina var. major Ira L. Wiggins 1934-8-11 6970 San Mateo 1 mi n Redwood City (along Bayshore Highway) Comment
  JROH5712  Cuscuta subinclusa John Rawlings, Ann Lambrecht, Diane Renshaw 2015-5-19 1548 San Mateo Jasper Ridge Biological Preserve, Stanford University. Horse Trail near Escobar Rd. 121 Comment
  CDA39983  Cuscuta subinclusa E. L. Labadie Jr. 1960-9-7 s.n. San Mateo 11510 Terrace Drive, Los Altos. 0 Comment
  UC1598121  Cynara cardunculus subsp. cardunculus John Thomas Howell 1956-11-14 31961 San Mateo just s Main Street (Bayshore Highway); Redwood City Comment
  RSA120949  Cynara scolymus J. T. Howell 1956-11-14 31961 San Mateo Bayshore Highway just south of Main Street, Redwood City. Comment
  CAS-BOT-BC190210  Cynodon dactylon Elizabeth McClintock; Paul Reeberg 1988-8-18 s.n. San Mateo San Bruno Mountains. Along railroad tracks near PG&E gasline west of Quarry. 45 Comment
  JROH5001  Cynodon dactylon John H. Thomas 1967-11-5 14135 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5002  Cynodon dactylon John H. Thomas 1967-11-5 14135 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA195569  Cynodon dactylon John H. Thomas 1966-4-24 11581 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  JROH1395  Cynoglossum grande John Hunter Thomas 1988-4-7 24384 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA130416  Cynoglossum grande Josephine Randall 1908-2-16 s.n. San Mateo Corte de Madera Canyon near Alpine Road. Comment
  SJSU15350  Cynoglossum grande R. S. Altmann 1976-4-21 76032 San Mateo Beside Alpine Road ca. 1 mile north intersection with Page Mill Rd. 335 Comment
  JROH4377  Cyperus eragrostis John Hunter Thomas 1977-6-16 18806 San Mateo Jasper Ridge Biological Preserve, Stanford University. Delta in Searsville Lake. Comment
  CAS-BOT-BC114453  Cyperus eragrostis David Daniels Keck 1931-8-6 1263 San Mateo Desiccated swamp near Searsville Lake. 75 Comment
  HSC23970  Cyperus eragrostis Mary Katherine Wicksten 1971-7-13 170 San Mateo Huddart Park by drinking fountain 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
  RSA78584  Cytisus scoparius P. A. Munz 1953-2-1 18273 San Mateo North of Scott Valley. Comment
  JROH5024  Dactylis glomerata John Hunter Thomas 1985-5-21 23665 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near bridge Comment
  CAS-BOT-BC192231  Danthonia californica Ira L. Wiggins 1929-5-10 3673 San Mateo At Pigeon Point Comment
  UC872608  Datisca glomerata Roxana Stinchfield 1915-10-14 257 San Mateo San Francisquito Creek; Santa Cruz Mountain Peninsula, San Francisquito Creek Comment
  CHSC1953  Daucus pusillus A. Goekler 1929-5-10 San Mateo Moss Beach. Comment
  JROH234  Daucus pusillus John Hunter Thomas 1992-4-29 25171 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC106445  Daucus pusillus Mrs. K. Brandegee June, 1905 San Mateo Halfmoon Bay Comment
  HSC23959  Daucus pusillus Mary Katherine Wicksten 1971-6-24 120 San Mateo Huddart Park, side of park entrance Comment
  UC1177095  Deinandra corymbosa Peter H. Raven 1950-6-3 2264 San Mateo near San Andreas Lake 121 Comment
  UC32721  Deinandra corymbosa J. Burtt Davy 1893-6-17 812 San Mateo Belmont Comment
  SEINET7838962 Image available Deinandra corymbosa D. D. Keck 1932-5-25 1784 San Mateo Hills two miles west of Belmont Comment
  UC406882  Deinandra corymbosa David D. Keck 1927-6-10 396 San Mateo Comment
  CAS-BOT-BC299193  Deinandra corymbosa subsp. corymbosa J. Clausen 1941-7-1 1870 San Mateo Base of Montara Mountain near Montara 91 Comment
  CAS-BOT-BC299206  Deinandra corymbosa subsp. corymbosa W. R. Dudley 1897-10-11 s.n. San Mateo Near Half Moon Bay (Spanishtown) Comment
  CAS-BOT-BC299207  Deinandra corymbosa subsp. corymbosa W. R. Dudley 1893-5-17 s.n. San Mateo Near Milbrae Comment
  CAS-BOT-BC299228  Deinandra corymbosa subsp. corymbosa David D. Keck 1932-5-11 1765 San Mateo One mile east of San Gregorio 50 Comment
  CAS-BOT-BC299230  Deinandra corymbosa subsp. corymbosa David D. Keck 1931-10-5 1295 San Mateo Skyline Boulevard, summit of Cahill Ridge, 1.5 miles south of Half Moon Bay Road 450 Comment
  CAS-BOT-BC292116  Delairea odorata John H. Thomas 1956-12-23 6480 San Mateo At 198 Oak Court, Menlo Park Comment
  CAS-BOT-BC9214  Delphinium californicum Lewis Samuel Rose 1965-5-3 65058 San Mateo San Bruno Mountain, Colma Canyon 60 Comment
  CAS-BOT-BC9219  Delphinium californicum Margaret A. Barry 1937-6-24 187 San Mateo North slope near Los Trancos Creek on Coal Mine Ridge Comment
  JROH3435  Delphinium californicum subsp. californicum John Hunter Thomas 1977-6-16 18771 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3436  Delphinium californicum subsp. californicum John Hunter Thomas 1980-6-5 19999 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC9150  Delphinium decorum subsp. tracyi Ivar Tidestrom May 1894 San Mateo Comment
Read comments Jun 4 2007
  CAS-BOT-BC10285  Delphinium hesperium Joseph J. Schweitzer 1951-6-5 57 San Mateo Searsville Lake 121 Comment
  POM270764  Delphinium hesperium Lyman Benson 1930-5-12 2124 San Mateo Lake Searsville. 152 Comment
  JEPS6236  Delphinium hesperium subsp. hesperium J. Burtt Davy 1893-6-17 805 San Mateo Belmont Comment
  JROH3444  Delphinium hesperium subsp. hesperium John H. Thomas 1976-5-26 18155 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC136329  Delphinium nudicaule C. F. Baker 1902-5-10 795 San Mateo along banks King's Mt. Comment
  SJSU3087  Delphinium patens A. W. Jacobs 1941-4-20 San Mateo Jasper Ridge above Searsville L Comment
  CAS-BOT-BC116530  Delphinium patens subsp. patens W. Dudley 1894-5-1 s.n. San Mateo Woodside to Crystal Springs Reservoir Comment
  CAS-BOT-BC116528  Delphinium patens subsp. patens W. Dudley 1900-3-16 s.n. San Mateo Above Tripp's Store, Woodside Comment
  RSA32657  Delphinium variegatum Doris K. Kildale 1930-4-21 9221 San Mateo Emerald Lake Comment
  SEINET12086776  Delphinium variegatum L. S. Rose 1932-1 32138 San Mateo Redwood City Comment
  POM202455  Delphinium variegatum subsp. variegatum L. S. Rose 1933-4-30 33125 San Mateo Redwood City Comment
  CAS-BOT-BC389715  Dendromecon rigida Sharon Rogers 1966-4-1 105 San Mateo San Mateo Comment
  UCD166056  Dendromecon rigida Jack Major; M. Forde and S. Bamberg 1962-4-3 730 San Mateo Ano Nuevo Point. (Exact location unknown. Coordinates estimated by label maker). Comment
Read comments Oct 15 2021
  CAS-BOT-BC631  Dendromecon rigida subsp. rigida Oliver Norvell 1931-3-2 1396 San Mateo La Honda Grade. Comment
  JEPS83606  Deschampsia cespitosa subsp. holciformis Roy E. Buck and Randall A. Morgan 1984-6-17 505 San Mateo ca. 5.7 km. s.w. of Redwood City (in area bounded by Hwy. I-280 & Edgewood Rd. & Canada Rd.); San Francisco Watershed Reserve 152 Comment
  POM190539  Deschampsia danthonioides D. D. Keck 1932-4-29 1448 San Mateo Redwood City. Fields near the San Francisco Bay salt marshes Comment
  JROH5058  Deschampsia elongata H. L. Mason 1921-5-13 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5060  Deschampsia elongata John H. Thomas 1973-6-15 16844 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA791559  Deschampsia holciformis Peter Rubtzoff 1976-6-13 8639 San Mateo San Bruno Mtn: 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC876  Dicentra chrysantha George T. Ruddock Sept 1917 s.n. San Mateo San Carlos Peak Comment
  CLARK-A1528-683  Dicentra formosa William Horn, Jr. 1963-4-13 630413 #1 San Mateo Hillsborough 30 Comment
  JEPS127778  Dichelostemma capitatum subsp. capitatum Adam C. Schneider with C. Matt Guilliams 2013-3-9 28 San Mateo Comment
  SD39077  Dichelostemma capitatum subsp. capitatum Marie Cummings 1933-4-11 8 San Mateo Spring Valley Lake. Comment
  JROH4663  Dichelostemma congestum John H. Thomas 1976-5-26 18151 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  OBI22313  Digitaria sanguinalis Lewis S. Rose 1965-9-20 65108 San Mateo Burlingame, Trousdale Dr & Californica Dr 9 Comment
  CAS-BOT-BC150467  Diplacus aurantiacus W. R. Dudley 1900-4-20 s.n. San Mateo Hills near San Francisquito Cr. Comment
  CAS-BOT-BC151992  Diplacus douglasii H. A. Dutton 1900-2-4 s.n. San Mateo Woodside serpentine. 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
  RSA133892  Dipsacus sativus John H. Thomas 1958-6-11 7229 San Mateo About 4.3 miles due E of Belmont near Crystal Springs Reservoir. 91 Comment
  CAS-BOT-BC121866  Dirca occidentalis John Thomas Howell 1945-7-8 30012 San Mateo 0.5 mile below Lake Pilarcitos dam Comment
  HSC67075  Dirca occidentalis Richard Spjut, Donald Stoffey 1980-5-15 6196 San Mateo Palo Alto Foothill Park, along Steep Hollow Trail about 0.25 mi. from its junction with Wildhorse Valley. 229 Comment
  JROH4199  Dirca occidentalis John H. Thomas 1960-5-1 8537 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
  JROH4204  Dirca occidentalis John H. Thomas 1970-1-1 15496 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4212  Dirca occidentalis John Hunter Thomas 1981-4-5 20282 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
  POM274503  Dirca occidentalis Lyman D. Benson 1929-3-2 992 San Mateo East of Lake Searsville Comment
  POM274504  Dirca occidentalis Lyman D. Benson 1929-3-2 992 San Mateo East of Lake Searsville Comment
  RSA130910  Dirca occidentalis E. K. Balls 1958-7-22 23593 San Mateo North end of Searsville Lake 183 Comment
  SEINET3820684 Image available Dirca occidentalis Lewis S. Rose 1933-3-2 33002 San Mateo San Andreas Lake. Comment
  UC1042323  Dirca occidentalis John Thomas Howell 1954-7-8 30012 San Mateo canyon 0.5 mi below Lake Pilarcitos Dam Comment
Read comments Feb 2 2012
  UC765088  Dirca occidentalis R. F. Hoover 1941-2-12 4761 San Mateo above La Honda; La Honda Creek Comment
  SBBG33466  Dirca occidentalis A. D. E. Elmer -Mar-1903 4123 San Mateo Alpine Road Comment
  UC961171  Disporum hookeri G. H. Ward 1950-4-8 949 San Mateo 1 mi n of La Honda Comment
  POM169497  Disporum hookeri var. hookeri C. F. Baker 1903-04 5052 San Mateo Crystal Springs Lake. Comment
  POM277215  Disporum hookeri var. hookeri Lyman Benson 1937-8-15 8490 San Mateo Upper San Francisquito Creek, Mt. Range: Santa Cruz; Watershed: San Francisco Bay. 244 Comment
  CAS-BOT-BC128568  Dodecatheon E. A. McGregor 1908-3-9 s.n. San Mateo Coal Mine Ridge Comment
  UC1001491  Dodecatheon clevelandii subsp. patulum H. J. Thompson 1948-2-23 1037 San Mateo sw Stanford University (e end of Jasper Ridge near Los Trancos Creek); sw of Stanford University, nr Los Trancos Creek Comment
  JROH1510  Draba verna John Hunter Thomas 1983-4-5 21331 San Mateo Jasper Ridge Biological Preserve, Stanford University; road below dam Comment
  JROH1518  Draba verna John Hunter Thomas 1991-4-6 24975 San Mateo Jasper Ridge Biological Preserve, Stanford University; on west side of dam Comment
  JROH5685  Draba verna John Rawlings 2015-2-15 1279 San Mateo Jasper Ridge Biological Preserve, Stanford University; in Trail 7 at Hillside Lab 150 Comment
  RSA133097  Drymocallis glandulosa Donald A. Johansen 1933-5-18 705 San Mateo Hills above Searsville Lake along road from Portola to La Honda Comment
  UC1964685  Drymocallis glandulosa Roger Raiche 1983-8-18 30634 San Mateo Montara Mt. Comment
  CAS-BOT-BC159533  Drymocallis glandulosa var. glandulosa Ethel Crum 1930-4-27 707 San Mateo Woodside 152 Comment
  CAS-BOT-BC159543  Drymocallis glandulosa var. glandulosa Javier Penalosa 1963-2-23 2634 San Mateo San Bruno Mtn., ravine south of Crocker Ave. 213 Comment
  CAS-BOT-BC159549  Drymocallis glandulosa var. glandulosa Hester Davis 1920-4-28 129 San Mateo Portola Valley - Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC159539  Drymocallis glandulosa var. glandulosa Donald A. Johansen 1933-5-18 705 San Mateo Hills above Searsville Lake along road from Portola to La Honda Comment
  RSA100999  Drymocallis glandulosa var. wrangelliana G. Oberlander 1950-4-2 559 San Mateo Near San Andreas Lake, San Francisco Watershed Reserve Comment
  UC903041  Drymocallis glandulosa var. wrangelliana Ethel Crum 1934-4-29 1695 San Mateo one mi w Pescadero (near Pebble Beach); w of Pescadero, near Pebble Beach 30 Comment
  JROH25  Dryopteris arguta John H. Thomas 1970-1-1 15495 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  SEINET11619627  Dryopteris arguta Unknown 1929-1 7295 San Mateo Kings Mt Comment
  JEPS49939  Dudleya caespitosa W. L. Jepson 1910-8-18 4164 San Mateo Gazos Creek Pescadero Comment
  CAS-BOT-BC428368  Dudleya farinosa Lewis S. Rose 1937-9-5 37646 San Mateo Mussel Rocks 60 Comment
  OBI25820  Dudleya farinosa Robert Honda 1970-5-17 21 San Mateo Coyote Point Comment
  JROH5085  Echinochloa crus-galli John H. Thomas 1974-10-29 17652 San Mateo Jasper Ridge Biological Preserve, Stanford University. Small peninsula created by drainage channel cut to accommodate water from Corte Madera Cr. Comment
  JROH5086  Echinochloa crus-galli John H. Thomas 1976-10-16 18412 San Mateo Jasper Ridge Biological Preserve, Stanford University. Dry delta in Searsville Lake at the mouth of Corte de Madera Creek. Comment
  JROH5722  Echinochloa crus-galli John Rawlings 2015-9-22 1641 San Mateo Jasper Ridge Biological Preserve, Stanford University. In mud of Corte Madera Creek delta near open water 104 Comment
  CAS-BOT-BC113593  Eleocharis acicularis George Thomas Oberlander 1950-5-6 841 San Mateo Pilarcitos Canyon Comment
  CAS-BOT-BC112959  Eleocharis macrostachya Adolph Daniel Edward Elmer 1903-7-1 4767 San Mateo San Pedro. Comment
  JROH4409  Eleocharis macrostachya John Hunter Thomas 1987-5-19 24301 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC112953  Eleocharis macrostachya W. R. Dudley 1908-6-19 s.n. San Mateo By pond S of Road from Tanforan to Jersey Farm Dairy. Comment
  RSA63026  Eleocharis montevidensis L. S. Rose 1950-5-20 50146 San Mateo Emerald Lake region, hills w. of Redwood City. 244 Comment
  SEINET3910868  Eleocharis montevidensis Lewis S. Rose 1950-5-20 50146 San Mateo Emerald Lake region hills w. of Redwood City.; 0 244 Comment
  SJSU15748  Elymus californicus John Rawlings 2015-5-11 1570 San Mateo Butano Creek near the state park boundary (and also Little Butano Cr along the six Bridges Trail) 152 Comment
Read comments Oct 30 2017
  POM319918  Elymus glaucus Barbara Shervanick 1973-4-1 797 San Mateo San Bruno Mts.; first summit on Crocker Rd. Comment
  CAS-BOT-BC203687  Elymus glaucus subsp. glaucus George Oberlander 1950-5-28 990 San Mateo San Francisco Watershed Reserve. Cahill Ridge Comment
  JROH5104  Elymus glaucus subsp. glaucus John H. Thomas 1971-5-30 15979 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC235202  Elymus multisetus H. A. Dutton 1900-2-1 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  JROH5121  Elymus multisetus John H. Thomas 1973-6-10 16824 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5131  Elymus multisetus John Hunter Thomas 1986-6-7 24086 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU15415  Elymus pacificus Toni Corelli 2010-5-14 629 San Mateo Pescadero State Beach and Marsh Natural Preserve, west of Hwy. 1 5 Comment
  JROH5277  Elymus triticoides Herbert Dengler 1960-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; 200 yds inside preserve from Mantilla Drive Comment
  JROH5278  Elymus triticoides W. H. Lennihan 1989-6-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Just outside gate on east side of low-flow causeway -- San Francisquito Creek, Whiskey Hill entrance, south side of road. Comment
  JROH3047  Epilobium brachycarpum John Hunter Thomas 1988-10-17 24601 San Mateo Jasper Ridge Biological Preserve, Stanford University; near lake Comment
  OBI12062  Epilobium brachycarpum Lewis S. Rose 1966-8-6 66077 San Mateo San Bruno Mtn, head of Colma Cyn 213 Comment
  CAS-BOT-BC166140  Epilobium canum subsp. canum Lewis S. Rose 1965-9-4 65099 San Mateo Skyline Blvd. & Half Moon Bay Rd, Cahill Ridge 243 Comment
  CAS-BOT-BC166142  Epilobium canum subsp. canum Walter Knight; Irja Knight 1965-5-15 1112 San Mateo Pig Ranch Ravine. Up about half way on south facing slope 213 Comment
  RSA140611  Epilobium ciliatum subsp. watsonii John H. Thomas 1959-7-8 8019 San Mateo Pescadero Beach. Comment
  JROH3066  Epilobium densiflorum John Hunter Thomas 1981-5-25 20623 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS112674  Epipactis helleborine Dean W. Taylor 2000-7-20 17431 San Mateo Montara Mountain; Scarper Peak, western slope of the peak near the summit; bordering the springbox serving the FAA facility on the summit 502 Comment
  JROH56  Equisetum arvense John Hunter Thomas 1982-7-2 21049 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low-flow crossing Comment
  UCR279844  Equisetum arvense Peter Rubtzoff 1976-3-14 8444 San Mateo San Francisco Bay Region, San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction; upper part of East Fork Colma Creek Canyon 220 Comment
  JEPS79607  Equisetum hyemale subsp. affine Edward Lee 1978-8-19 San Mateo between Lake Pilarcitos and San Andreas Comment
  UC311544  Equisetum telmateia subsp. braunii A. D. E. Elmer March, 1903 4501 San Mateo Portola Comment
  JROH5721  Eragrostis pectinacea var. pectinacea John Rawlings 2015-9-22 1642 San Mateo Jasper Ridge Biological Preserve, Stanford University. In mud of Corte Madera Creek delta near open water 104 Comment
  CAS-BOT-BC291243  Erechtites minimus Elizabeth McClintock; Walter Knight; Irja Knight 1963-9-2 s.n. San Mateo San Bruno Mountain. Power Line Ridge Comment
  CAS-BOT-BC286883  Ericameria ericoides Elizabeth McClintock 1966-9-29 s.n. San Mateo San Bruno Mountain. Lower part of Colma Canyon Comment
  JROH677  Erigeron canadensis Toni Corelli 2006-9-20 327 San Mateo Jasper Ridge Biological Preserve, Stanford University. Above Corte Madera Creek, west of Trail 12 106 Comment
  JROH694  Erigeron sumatrensis Toni Corelli 2011-8-30 371 a San Mateo Jasper Ridge Biological Preserve, Stanford University. Below Dennis Martin site, above San Francisquito Creek 71 Comment
  CAS-BOT-BC216134  Eriodictyon californicum Alice Eastwood 1912-6-10 836 San Mateo Crystal Springs Comment
  HSC13523  Eriodictyon californicum J. Wendell Howe 1930-5-21 San Mateo Alpine Creek Comment
  JROH2725  Eriodictyon californicum John H. Thomas 1974-5-29 17398 San Mateo Jasper Ridge Biological Preserve, Stanford University; riders' shack Comment
  JROH2726  Eriodictyon californicum John H. Thomas 1974-5-29 17398 San Mateo Jasper Ridge Biological Preserve, Stanford University; near riders' shack Comment
  POM222784  Eriodictyon californicum S. S. Berry 1909-4-23 s.n. San Mateo Road near Los Francos Creek 61 Comment
  SEINET6744709 Image available Eriodictyon californicum L. S. Rose 1941-7-2 41288 San Mateo Kings Mountain, California. Comment
  CAS-BOT-BC250546  Eriogonum gracile L. S. Rose 1931-5-15 s.n. San Mateo Emerald Lake in hills near Redwood City Comment
  CAS-BOT-BC250547  Eriogonum gracile Cherie Wetzel 1969-6-20 872 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  POM193637B  Eriogonum gracile L. R. Abrams 1902-9-21 2988 San Mateo Crystal Lake Comment
  POM145464  Eriogonum latifolium J. B. Feudge 1923-8-19 97 San Mateo Ano Nuevo Point 6 Comment
  POM165267  Eriogonum latifolium C. F. Baker 1903-6-30 3359 San Mateo Pilarcitos Comment
  SBBG25112  Eriogonum latifolium D. Myrick 1966-6-11 1450 San Mateo Pigeon Point on Hwy 1 S of San Francisco Comment
  UC849505  Eriogonum latifolium Mrs. E. C. Phipps July 1922 San Mateo Tunitas Creek Comment
  CAS-BOT-BC251970  Eriogonum latifolium Elizabeth McClintock 1972-5-10 s.n. San Mateo Rocky slope above Parking Lot at summit Comment
  SEINET10479506  Eriogonum latifolium Mary Susan Taylor 1978-8-30 Taylor 1870 San Mateo Comment
  CAS-BOT-BC264773  Eriogonum luteolum Paul R. Hichborn 1920-6-1 284 San Mateo Back of Redwood City, Santa Cruz Mountain Peninsula Comment
  JROH3228  Eriogonum luteolum var. luteolum John H. Thomas 1967-11-5 14133 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3230  Eriogonum luteolum var. luteolum John H. Thomas 1972-8-18 16146 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC306654  Eriogonum luteolum var. luteolum A. D. E. Elmer June, 1903 4309 San Mateo Belmont Comment
  JROH3227  Eriogonum luteolum var. luteolum John H. Thomas 1964-7-3 10441 San Mateo Jasper Ridge Biological Preserve, Stanford University. Chaparral on top of ridge Comment
  JROH3238  Eriogonum luteolum var. luteolum Carol Zabel 1989-8-27 33 San Mateo Jasper Ridge Biological Preserve, Stanford University. Herb's serpentine loop, top of Trail 5. Comment
  JEPS83063  Eriogonum nudum Roy E. Buck, Randall A. Morgan, James A. West 1983-7-23 450 San Mateo 1.4 km w San Andreas Dam (at n end of Sawyer Ridge, on sw-facing slope above last curve in gravel ridge road before intersection above San Andreas Dam); San Francisco Watershed Reserve, Sawyer Ridge 312 Comment
  JEPS128396  Eriogonum nudum var. auriculatum Adam C. Schneider 2013-5-17 142 San Mateo Crystal Springs Reservoir. Comment
  OBI10996  Eriogonum nudum var. auriculatum Lewis S. Rose 1964-9-9 64074 San Mateo Emerald Lake, W of Redwood City 244 Comment
  CAS-BOT-BC269003  Eriogonum nudum var. auriculatum Margaret A. Barry 1938-6-22 171 San Mateo On Coal Mine Ridge Comment
  CAS-BOT-BC261390  Eriogonum nudum var. indictum Chester Dudley No date on label 15 San Mateo West slope San Carlos Mts. Comment
  SJSU15946  Eriogonum nudum var. nudum John Rawlings, Ken Hickman 2016-5-26 1822 B 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
  RSA7603  Eriophyllum confertiflorum L. S. Rose 1933-5-17 33176 San Mateo Redwood City Comment
  CAS-BOT-BC301263  Eriophyllum lanatum var. arachnoideum Josephine D. Randall 1907-6-29 68 San Mateo Santa Cruz Peninsula. Kings Mt. Road Comment
  CAS-BOT-BC301269  Eriophyllum lanatum var. arachnoideum John Thomas Howell 1929-8-11 4374 San Mateo King [Kings] Mt. Comment
  RSA116762  Eriophyllum lanatum var. arachnoideum Josephine Randall 1907-6-29 68 San Mateo Santa Cruz Peninsula, King's Mountain Road. Comment
  RSA463086  Eriophyllum lanatum var. arachnoideum Lyman Benson 1930-5-3 2113 San Mateo Above Woodside, Mt. Range: Santa Cruz. 366 Comment
  UC1377806  Eriophyllum latilobum W. J. Dress 1951-5-30 3274 San Mateo roadside bank in canyon sw of San Mateo Comment
Read comments Mar 6 2006
  JEPS121473  Eriophyllum staechadifolium Adam C. Schneider with Alison Colwell 2013-6-23 292 San Mateo Pacifica State Beach, west of CA State Highway 1. Comment
  CAS-BOT-BC301978  Eriophyllum staechadifolium Elizabeth McClintock 1967-6-24 s.n. San Mateo San Bruno Mountain. Radio Road Comment
  CAS-BOT-BC301981  Eriophyllum staechadifolium Ella Dales Cantelow 1940-9-2 3408 San Mateo N. of Davenport Comment
  POM358131  Eriophyllum staechadifolium L. S. Rose 1938-8-18 38233 San Mateo Skyline Blvd., 3 miles south of San Francisco County line. 61 Comment
  UCSC007743  Eriophyllum staechadifolium Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  SEINET11850785  Eriophyllum staechadifolium var. artemisiaefolium E. H. Graham 1931-1 6930 San Mateo Ano Nuevo Pt., S of San Francisco Comment
  UC874914  Eryngium armatum Alice Eastwood and John Thomas Howell 1938-6-26 6065 San Mateo Arroyo de los Frijoles Comment
  CAS-BOT-BC54827  Erysimum franciscanum Alice Eastwood 1903-2-8 3237 San Mateo Spring Valley. Comment
  CAS-BOT-BC54856  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-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-BC54877  Erysimum franciscanum Peter H. Raven 1950-2-25 1374 San Mateo San Bruno Mountains. Between Brisbane and N.B.C. Television Station. 243 Comment
  CAS-BOT-BC54886  Erysimum franciscanum James McMurphy 1909-3-20 s.n. San Mateo Crystal Springs. Comment
  RSA101843  Erysimum franciscanum G. B. Rossbach 1939-3-28 905 San Mateo Below Crystal Springs Lake 61 Comment
  RSA101844  Erysimum franciscanum G. B. Rossbach 1939-3-26 901 San Mateo Very near Sharp Park (Salada Beach) Comment
  RSA102123  Erysimum franciscanum G. B. Rossbach 1955-3-26 576 San Mateo Upper N slope of San Bruno Mountain, N of radio tower 335 Comment
  SJSU8507  Erysimum franciscanum P. F. Canziani 1979-3-2 San Mateo SW of intersection of Hillside Blvd & Chestnut Ave., San Bruno Mt Comment
  UC1034704  Erysimum franciscanum G. B. Rossbach 1955-3-12 566 San Mateo se end Buriburi Ridge (nw side of creek, steep serpentine slope); San Mateo Creek 76 Comment
  UC1034712  Erysimum franciscanum G. B. Rossbach 1955-3-12 569 San Mateo n face of slide s Pedro Point (w edge of Montara Mts.); Devil's Slide 121 Comment
  UC1034947  Erysimum franciscanum G. B. and R. P. Rossbach 1939-6-4 915 San Mateo w slope of ridge between Crystal Springs Lake and San Andreas Lake (small isolated pinnacle); Buriburi Ridge 121 Comment
  UC1560433  Erysimum franciscanum Craig P. Martz 1988-2-1 270 San Mateo top of knoll and on roadcut between State Route 92 and Upper Crystal Spring Reservoir n SR92/I280 interchange; San Mateo 7.5' USGS Quadrangle 114 Comment
  CAS-BOT-BC403530  Eschscholzia californica Alice Eastwood 1937-7-25 18893 San Mateo Pebble Beach, Pescadero Comment
  CAS-BOT-BC403540  Eschscholzia californica A. A. Heller 1907-4-25 8457 San Mateo San Bruno Hills Comment
  CAS-BOT-BC403542  Eschscholzia californica H. A. Dutton 1900-2-27 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  RSA445603  Eschscholzia californica subsp. californica Glenn A. Gorelick 1967-2-10 s.n. San Mateo San Bruno Mountains, overlooking Daly City near San Francisco. Comment
  RSA445604  Eschscholzia californica subsp. californica E. A. Purer 1933-7-27 5384 San Mateo Two miles south of Pigeon Point Comment
  CAS-BOT-BC202739  Euonymus occidentalis A. D. E. Elmer 1903-6-1 4280 San Mateo Lake San Andreas Comment
  CAS-BOT-BC202743  Euonymus occidentalis G. H. Mallory 1919-8-20 s.n. San Mateo La Honda Comment
  CAS-BOT-BC206912  Euonymus occidentalis D. E. Breedlove 1974-5-13 36208 San Mateo Slopes of San Pedro Valley Park, Pacifica. 152 Comment
  RSA116733  Euonymus occidentalis W. R. Dudley 1895-6-6 s.n. San Mateo Along Pescadero Creek, near Iverson. Comment
  JROH1796  Euonymus occidentalis var. occidentalis Volney Rattan May s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; at Searsville Comment
  JROH1803  Euonymus occidentalis var. occidentalis Carol Zabel 1989-5-5 14 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 1 on sandstone slope east of redwoods Comment
  UC17678  Euphorbia crenulata J. Burtt Davy Jun 21 1893-Jun 23 1893 San Mateo Pilarcitos Lake and Pilarcitos Canyon; Pilarcitos Canyon, Pilarcitos Lake Comment
  UCSC000450  Euphorbia crenulata H. S. Yates 1935-5-8 5211 San Mateo 1.5 mi. S. Mindego Hill Santa Cruz 335 Comment
  RSA176579  Euphorbia lathyris John H. Thomas 1964-6-28 10435 San Mateo Along Half Moon Bay - Crystal Springs Lake road, about 2.2 mi, e of Half Moon Bay. Comment
  UC1795595  Euphorbia oblongata J. Beall 2002-6-3 PDR 120145 San Mateo Pope at San Francisquito Creek Comment
  CAS-BOT-BC389751  Euphorbia peplus J. Nieri 1953-1-28 s.n. San Mateo Redwood City Comment
  JROH1977  Euphorbia spathulata John Hunter Thomas 1977-6-7 18735 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1970  Euphorbia spathulata Herbert Dengler 1963-4-21 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; 500' N.E. of serp. Comment
  RSA499127  Euphorbia spathulata L. S. Rose 1935-5-4 35151 San Mateo Burlingame. Comment
  RSA572320  Euphorbia spathulata Robert F. Hoover 1938-4-27 3256 San Mateo Four miles south of San Jose. Comment
  JROH528  Eurybia radulina L. R. Abrams 1916-10-14 6350 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Ridge Comment
  JROH530  Eurybia radulina Carol Zabel 2005-8-1 54 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU6623  Felicia amelloides T. M. Morton 1972-4-1 San Mateo residence 735 Laurelwood Dr, San Mateo 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
  CAS-BOT-BC278284  Festuca californica Dean Wm. Taylor 1988-4-8 9504 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
  SEINET3129197  Festuca californica L. R. Abrams 1902-5-11 2461 San Mateo Capitol springs Comment
  CAS-BOT-BC278346  Festuca californica subsp. californica Elizabeth McClintock 1964-4-17 s.n. San Mateo San Bruno Mountain Comment
  UCD65864  Festuca californica subsp. californica P. B. Kennedy 1916-4-1 San Mateo Daly City, Colma Canyon, S San Francisco. Comment
  RSA502347  Festuca californica var. californica D. W. Taylor 1988-4-8 9504 San Mateo San Bruno Mountain, northern slope of southeast ridge of the mountain, near the ridgecrest. 238 Comment
  CAS-BOT-BC282497  Festuca elmeri Peter H. Raven 1950-6-3 2252 San Mateo Woods around San Andreas Lake 121 Comment
  JROH5489  Festuca microstachys S. J. McNaughton 1966-3-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. East slopes of serpentine grasslands in Ehrlich's area H. Comment
  JROH5505  Festuca myuros John Rawlings 2013-4-16 1132 San Mateo Jasper Ridge Biological Preserve, Stanford University. In and along Trail 2 extension south of the Dengler Transect after a short uphill section where the trail passes a boulder on the uphill side. 84 Comment
  JROH5822  Festuca myuros John Rawlings 2016-3-8 1681 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 14 uphill from dam spillway 108 Comment
  JROH6208  Festuca myuros John Rawlings 2014-3-25 1240 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 2 at the Zoology Cabin foundation site. 75 Comment
  JROH5506  Festuca octoflora John H. Thomas 1966-4-20 11561 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU16015  Festuca perennis John Rawlings, Ken Hickman 2016-5-26 1810 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
  CAS-BOT-BC279053  Festuca rubra Elizabeth McClintock 1963-6-9 s.n. San Mateo San Bruno Mountain Comment
  JROH6207  Festuca rubra John Rawlings 2014-4-4 1239 San Mateo Jasper Ridge Biological Preserve, Stanford University; verge of Goya Rd. at its terminus near Preserve entrance. 199 Comment
  CAS-BOT-BC77695  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
  POM140686  Fragaria californica C. F. Baker 1902-1-15 233 San Mateo Kings Mountain. West side of King's Mountain. Comment
  RSA152236  Fragaria californica I. L. Wiggins 1925-04 1647 San Mateo On Kings Mtn Road three fourths of a mile above Woodside. 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
  RSA523866  Fragaria chiloensis Chris E. True 1937-3-31 616 San Mateo Salada Beach. 610 Comment
  UC466551  Fragaria chiloensis Franklin P. Nutting Apr 1895 San Mateo Comment
  JROH3665  Fragaria vesca W. R. Dudley 1898-4-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3666  Fragaria vesca John Hunter Thomas 1981-4-5 20291 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek Comment
  UCD113256  Fragaria vesca R. S. Woglum 1935-5-25 1158 San Mateo San Francisco area: Skyline Drive south to Big Basin Redwoods. Comment
  CAS-BOT-BC457511  Fragaria vesca subsp. californica Elizabeth McClintock; Paul Reeberg 1989-2-4 s.n. San Mateo Between Poison Oak Ravine and Tank Ravine, San Bruno Mountains Comment
  CAS-BOT-BC457521  Fragaria vesca subsp. californica C. F. Leitholdt 1893-6-2 s.n. San Mateo Between Woodside and Kings Mountain, Santa Cruz Pennisula Comment
  CAS-BOT-BC457525  Fragaria vesca subsp. californica Elizabeth McClintock 1967-9-24 s.n. San Mateo Crocker Avenue, San Bruno Mountain Comment
  JROH3543  Frangula californica subsp. californica John H. Thomas 1974-9-19 17601 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3552  Frangula californica subsp. californica John Hunter Thomas 1992-5-25 25346 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of chaparral on serpentine. Comment
  SBBG28507  Frangula californica subsp. californica C. B. Wolf 1927-11-27 San Mateo just S of Pescadero Comment
  CAS-BOT-BC53600  Frangula californica subsp. tomentella Carl B. Wolf 1927-12-31 1472 San Mateo 1/2 way up Kings Mt. Comment
  SEINET6671082 Image available Frankenia grandifolia Lewis S. Rose 1938-1 38230 San Mateo Brisbane 2 Comment
  RSA391413  Frankenia salina E. A. Purer 1933-8-13 s.n. San Mateo Belmont Comment
  RSA391414  Frankenia salina D. D. Keck 1931-9-27 1269 San Mateo Dumbarton Bridge. Comment
  POM130871  Fraxinus latifolia C. F. Baker 1903-6-30 3355 San Mateo Crystal Springs Lake Comment
  UC878097  Fraxinus latifolia E. W. Rust 1908-4-25 San Mateo vicinity Stanford University; Los Trancos Creek 60 Comment
Read comments Sep 30 2011
  CAS-BOT-BC130119  Fritillaria affinis L. S. Rose 1927-3-24 s.n. San Mateo Crystal Springs Lakes Comment
  CAS-BOT-BC130137  Fritillaria affinis Ira L. Wiggins 1928-4-14 2915 San Mateo Alpine Creek Road Comment
  CAS-BOT-BC130147  Fritillaria affinis Dean Wm. Taylor 1988-3-16 9404 San Mateo San Bruno Mountain, summit of mountain, along fire road ca. 120 m east from summit parking lot 371 Comment
  JROH4681  Fritillaria affinis John H. Thomas 1961-5-5 9214 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek below Searsville Dam 76 Comment
  UC204192  Fritillaria affinis A. D. E. Elmer May, 1903 5045 San Mateo Portola Comment
  JROH4682  Fritillaria affinis John H. Thomas 1964-4-11 10309 San Mateo Jasper Ridge Biological Preserve, Stanford University. Road bank in oakwoodland below dam. Comment
  SEINET12054471  Fritillaria affinis Cummings, McCallum, G. A. 1933-1 s.n. San Mateo near La Honda Comment
  CAS-BOT-BC130379  Fritillaria liliacea James McMurphy 1909-3-20 s.n. San Mateo Crystal Springs Comment
  RSA289961  Fritillaria liliacea I. Smith 1915-3-15 s.n. San Mateo Hillsboro Comment
  SDSU20660  Fritillaria liliacea Sean Ryan 2011-3-19 77 San Mateo On E side of Serpentine Loop trail, 175 yds N of the service road entering from Robertson Way. Edgewood County Park. 209 Comment
  SEINET179619  Fritillaria liliacea H. E. Parks, S. T. Parks 1930-3-10 0400 San Mateo Spring Valley Lakes. 152 Comment
  POM284029  Galium californicum subsp. californicum Delzie Demaree 1933-6-23 10379 San Mateo White House Creek. Comment
  UC615504  Galium californicum subsp. californicum Beryl O. Schreiber 1932-5-29 299 San Mateo w San Mateo (Skyline Boulevard) Comment
  JROH5704  Galium parisiense John Rawlings 2015-4-7 1456 San Mateo Jasper Ridge Biological Preserve, Stanford University; quarry off Trail 12 110 Comment
  RSA100976  Galium porrigens G. Oberlander 1949-7-30 292 San Mateo Cahill Ridge. San Francisco Watershed Reserve. Comment
  JROH3809  Galium porrigens var. porrigens D. E. Breedlove 1971-5-31 19377 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  UC1143094  Galium porrigens var. porrigens H. S. Yates 1935-2-3 509 San Mateo 1/2 mi se Pigeon Pt.; Santa Cruz Quadrangle Comment
  JEPS83562  Galium trifidum var. pacificum Dean W. Taylor 1987-8-20 9310 San Mateo between Whitehorse Creek and Cascade Creek (about spring/seep); Santa Cruz Mts., Cascade Ranch state park area 76 Comment
  UCD121948  Galium triflorum L. T. Dempster 1956-5-15 1001 San Mateo Lake Pilarcitos. Comment
  JROH794  Gamochaeta ustulata John Hunter Thomas 1980-5-8 19939 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC303468  Gamochaeta ustulata Paul F. Covel 1936-4-24 272 San Mateo Skyline Blvd Comment
  CAS-BOT-BC194562  Garrya elliptica D. E. Breedlove 1974-5-13 36203 San Mateo Brushy slopes San Pedro Park, Pacifica 152 Comment
  CAS-BOT-BC194570  Garrya elliptica George Oberlander 1949-4-2 47 San Mateo Northern Cahill Ridge, San Francisco Watershed Reserve Comment
  RSA155427  Garrya elliptica L. S. Rose 1962-2-5 62001 San Mateo San Andreas Lake. 152 Comment
  SEINET12137147  Garrya elliptica Cummings 1933-1 s.n. San Mateo top of Jasper Ridge Comment
  RSA18344  Gastridium phleoides C. B. Wolf 1927-7-14 597 San Mateo Summit of Kings Mountain Rd. Comment
  CAS-BOT-BC59634  Gaultheria shallon Arthur Menzies 1964-1-12 s.n. San Mateo San Bruno Mountain. Comment
  CHSC56539  Genista monspessulana Steven Triano 1988-5-24 177 San Mateo On the sw corner of the jct. of Portola Road and Old La Honda Road, ca 3.2 mi s of Woodside. 115 Comment
  JROH1999  Genista monspessulana John H. Thomas 1960-4-22 8594 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2005  Genista monspessulana John Hunter Thomas 1988-4-7 24376 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2006  Genista monspessulana John H. Thomas 1961-5-5 9208 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below Searsville Dam 76 Comment
  UCD103506  Geranium robertianum Carolyn Lundquist 1994-5-30 24 San Mateo Henrik Ibsen Park, 13800 Skyline Blvd. Woodside, CA. 609 Comment
  POM282276  Gilia achilleifolia subsp. multicaulis Lyman Benson 1935-5-5 6532 San Mateo Lake Searsville. 152 Comment
  POM209882  Gilia achilleifolia subsp. multicaulis D. D. Keck 1934-7-7 2931 San Mateo Kings Mountain, west of summit 610 Comment
  UCR252691  Grindelia A. C. Sanders 2014-8-3 41238 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
  CAS-BOT-BC302083  Grindelia Paul Reeberg 1989-5-19 s.n. San Mateo San Bruno Mountains. On ridge between Firth Canron [Canyon] & Brisbane Ravine, uphill water tank 152 Comment
  SEINET11843442  Grindelia X paludosa E. A. Purer 1933-1 5414 San Mateo near Baden Station Comment
  LA203650  Grindelia camporum Ira L. Wiggins; 1929-7-4 3799 San Mateo Pescadero Beach Comment
  CAS-BOT-BC304505  Grindelia hirsutula David D. Keck 1931-9-27 1273 San Mateo Dumbarton Bridge Comment
  CAS-BOT-BC304554  Grindelia hirsutula A. D. E. Elmer 1903-6-1 4267 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC304567  Grindelia hirsutula Lewis S. Rose 1933-6-9 33221 San Mateo San Andreas Lake Comment
  JEPS121472  Grindelia hirsutula Adam C. Schneider with Alison Colwell 2013-6-23 291 San Mateo Pacifica State Beach, west of CA State Highway 1. Comment
  JEPS41871  Grindelia hirsutula W. L. Jepson 1896-1 San Mateo Santa Cruz Mountains Comment
  POM58290  Grindelia hirsutula C. F. Baker 1902-5-10 812 San Mateo Summit of Coast Range. Comment
  UC517530  Grindelia hirsutula Lewis S. Rose 1933-6-9 33221 San Mateo San Andreas Lake Comment
  CAS-BOT-BC304524  Grindelia hirsutula W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Peninsula. South side Montara Mt Comment
  JROH826  Grindelia hirsutula John Hunter Thomas 1987-5-26 24316 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU15766  Grindelia stricta var. angustifolia Toni Corelli 2011-8-31 721 b San Mateo Pescadero State Beach and Marsh Natural Preserve. Along Butano Trail on levy along Butano Creek. 3 Comment
  POM204326  Grindelia stricta var. platyphylla I. L. Wiggins 1929-7-4 3799 San Mateo Pescadero Beach Comment
  POM143655  Guillenia lasiophylla C. F. Baker 1902-4-6 459 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC309531  Helenium puberulum John H. Thomas 1976-10-7 18392 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
  CAS-BOT-BC309541  Helenium puberulum A. D. E. Elmer 1903-7-1 4968 San Mateo San Mateo Comment
  CAS-BOT-BC309545  Helenium puberulum John Thomas Howell 1939-6-16 14744 San Mateo Crystal Springs Lake Comment
  JROH829  Helenium puberulum John H. Thomas 1961-6-14 9542 San Mateo Jasper Ridge Biological Preserve, Stanford University; along stream below dam 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
  UC943014  Helenium puberulum Lewis S. Rose 1949-8-10 49157 San Mateo Skyline Blvd. w Tanforan 121 Comment
  CAS-BOT-BC309535  Helenium puberulum W. R. Dudley 1895-6-14 s.n. San Mateo Santa Cruz Peninsula. By San Francisquito Creek near St. Michaels Church Comment
  HSC23888  Helenium puberulum Mary Katherine Wicksten 1971-6-22 94 San Mateo Huddart Park; by Madrone Area, toward Miwok Shelter Comment
  POM54388  Helenium puberulum A. D. E. Elmer 1903-07 4968 San Mateo San Mateo Comment
  JROH848  Helianthella californica var. californica Elmer I. Applegate 1895-5-11 264 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Comment
  CAS-BOT-BC305340  Helianthella castanea Philip Wheeler 1965-4-27 s.n. San Mateo San Bruno Mountain. Sierra Point Comment
  CAS-BOT-BC305365  Helianthus annuus J. H. Thomas 1959-12-18 8521 San Mateo Near Palo Alto Yacht Harbor Comment
  JROH1396  Heliotropium curassavicum var. oculatum John H. Thomas 1962-7-15 9925 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below dam Comment
  CAS-BOT-BC305924  Helminthotheca echioides Ira L. Wiggins 1977-7-23 22188 San Mateo Bed of San Francisquito Creek, ca 150 m upstream from Pope Street bridge, San Mateo County side of center line, Menlo Park Comment
  JROH1166  Helminthotheca echioides John H. Thomas 1964-11-15 10525 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along road at edge of Searsville Lake. Comment
  SJSU3591  Helminthotheca echioides A. I. Wilson 1967-9-18 2 San Mateo by W side Los Trancos Cr c. midway between Portola Valley & Palo Alto Comment
  CAS-BOT-BC453466  Hemitomes congestum R. S. Ferris 1923-5-26 3787 San Mateo Chris Iverson Trail, Butano Ridge Comment
  CAS-BOT-BC314909  Hemizonia congesta subsp. luzulifolia Ned Cahill 1974-4-30 224 San Mateo Near the intersection of Canada and Edgewood Roads about 3 mi. westward from Redwood City Comment
  CAS-BOT-BC314910  Hemizonia congesta subsp. luzulifolia Ned Cahill 1974-4-29 203 San Mateo Near the intersection of Canada and Edgewood Roads about 3 mi. westward from Redwood City Comment
  CAS-BOT-BC314912  Hemizonia congesta subsp. luzulifolia Ned Cahill 1974-7-14 360 San Mateo Near the intersection of Canada and Edgewood Roads about 3 mi. westward from Redwood City Comment
  CAS-BOT-BC314920  Hemizonia congesta subsp. luzulifolia John H. Thomas 1971-5-2 16848 San Mateo Near intersection of Canada Road and Edgewater Road about three miles westward from Redwood City 152 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-BC314948  Hemizonia congesta subsp. luzulifolia L. R. Abrams 1914-7-15 5140 San Mateo Crystal Springs Comment
  CDA7038  Hemizonia congesta subsp. luzulifolia A. C. Browne 1950-8-12 San Mateo Portola. 0 Comment
  JEPS30897  Hemizonia congesta subsp. luzulifolia J. H. Thomas 1958-6-11 7228 San Mateo about 4.3 mi due e Belmont (near Crystal Springs Reservoir) 91 Comment
  JROH867  Hemizonia congesta subsp. luzulifolia Richard L. Garber 1971-7-13 52 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC134605  Hemizonia congesta subsp. luzulifolia C. F. Baker 1908-6-30 3350 San Mateo Crystal Springs Comment
  UC614964  Hemizonia congesta subsp. luzulifolia Beryl O. Schreiber 1932-5-29 308 San Mateo Crystal Springs Comment
  UC897702  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1937-9-21 37662 San Mateo w Redwood City; Emerald Lake 182 Comment
  UC897724  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1935-9-21 35652 San Mateo Redwood City Comment
  RSA0001284  Hemizonia grandiflora L. R. Abrams 1902-5-11 2446 San Mateo Crystal Springs. Comment
  SEINET7883265 Image available Hemizonia grandiflora L. R. Abrams 1914-1 5140 San Mateo Crystal Springs; at the type station Comment
  POM360311  Hemizonia luzulifolia L. S. Rose 1964-9-5 64070 San Mateo Emerald Lake, W of Redwood City. 244 Comment
  POM360313  Hemizonia luzulifolia D. D. Keck 1931-10-5 1277 San Mateo Between Woodside and Crystal Springs Lake. Comment
  POM360314  Hemizonia luzulifolia D. D. Keck 1932-5-6 1492 San Mateo East side of Crystal Springs Lake. 61 Comment
  RSA81631  Hemizonia luzulifolia James I. McMurphy 1909-6-13 s.n. San Mateo Millbrae hills. Comment
  SEINET11848429  Hemizonia luzulifolia L. S. Rose 1937-1 37662 San Mateo Emerald Lake, W of Redwood City 183 Comment
  JROH251  Heracleum maximum John H. Thomas 1977-4-29 18577 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA18316  Heracleum maximum C. B. Wolf 1929-5-20 3720 San Mateo No. end of Searsville Lake. Comment
  JROH252  Heracleum maximum John Hunter Thomas 1986-5-1 23989 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low flow crossing near San Francisquito Creek Comment
  CAS-BOT-BC403865  Hesperocnide tenella Walter Knight; Irja Knight 1964-5-30 615 San Mateo San Bruno Mountain. Colma Canyon Comment
  UCSB11749  Hesperocyparis macrocarpa Olson, Jim 1962-4-13 San Mateo 1 mile south of Halfmoon Bay, on Halfmoon Bay to San Mateo Road 9 Comment
  CAS-BOT-BC176213  Hesperolinon congestum A. A. Heller 1907-5-28 8572 San Mateo Above Crystal Springs on the Half Moon Bay road Comment
  JEPS122848  Hesperolinon congestum Adam C. Schneider 2013-5-17 172 San Mateo Crystal Springs Reservoir Comment
  SJSU7855  Hesperolinon congestum J. R. Verbarg 1955-5-14 San Mateo Redwood City Hills back of Redwood City Comment
  CAS-BOT-BC422602  Hesperomecon linearis A. D. E. Elmer 1903-6-1 4594 San Mateo San Bruno Hills Comment
  CAS-BOT-BC148466  Heteromeles arbutifolia W. R. Dudley 1904-12-7 s.n. San Mateo East of Baker's Beach - Santa Cruz Mountain Peninsula Comment
Read comments Oct 11 2021
  JROH3680  Heteromeles arbutifolia John H. Thomas 1974-5-29 17406 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA0072374  Heteromeles arbutifolia John H. Thomas 1965-12-19 11459 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  UC942934  Heteromeles arbutifolia Lewis S. Rose 1948-11-25 48241 San Mateo Woodside 365 Comment
  JROH904  Heterotheca grandiflora John Hunter Thomas 1982-9-23 21163 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC310767  Heterotheca sessiliflora subsp. echioides Lewis S. Rose 1966-8-20 66087 San Mateo San Bruno Mountain, Summit 365 Comment
  CAS-BOT-BC420891  Heuchera micrantha var. diversifolia Peter Rubtzoff 1953-5-14 1342 San Mateo Pilarcitos Creek canyon 1 to 2 miles downstream from Pilarcitos Lake Comment
  CAS-BOT-BC420895  Heuchera micrantha var. diversifolia A. D. E. Elmer 1903-7-1 4762 San Mateo Pilarcitos Stone Dam Comment
  CAS-BOT-BC424379  Heuchera micrantha var. hartwegii Walter & Irja Knight 1965-4-25 1051 San Mateo From ledges in Owl's Canyon; San Bruno Mountain 213 Comment
  CAS-BOT-BC319632  Hieracium albiflorum H. L. Mason 1921-7-14 s.n. San Mateo Pescadero Creek Comment
  CAS-BOT-BC376132  Holcus lanatus Ricardo Villasenor, Jr. 1993-7-1 s.n. San Mateo San Francisco International Airport, west of Hwy. 101 Comment
  JROH5216  Holcus lanatus John Hunter Thomas 1988-6-2 24501 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near old bridge. Comment
  HSC24044  Holodiscus discolor Mary Katherine Wicksten 1971-6-17 11 San Mateo Huddart Park. Comment
  RSA101035  Holodiscus discolor G. Oberlander 1949-5-21 183 San Mateo Sawyer Ridge, San Francisco Watershed Reserve. Comment
  SD146168  Holodiscus discolor G. K. Helmkamp, E. A. Helmkamp 1999-6-28 4973 San Mateo Pescadero Creek Watershed: Pescadero Rd. just N of Loma Mar. 106 Comment
  CAS-BOT-BC150058  Holodiscus discolor var. discolor John H. Thomas 1961-5-7 9281 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC150061  Holodiscus discolor var. discolor Phillip C. Wheeler 1965-4-27 s.n. San Mateo Live Oak Canyon Comment
  JROH3687  Holodiscus discolor var. discolor John H. Thomas 1962-7-15 9916 San Mateo Jasper Ridge Biological Preserve, Stanford University. Oakwoodland near northern end of ridge. Comment
  JROH3688  Holodiscus discolor var. discolor John H. Thomas 1971-5-30 15982 San Mateo Jasper Ridge Biological Preserve, Stanford University. Woods near dam Comment
  POM295704  Hordeum Lyman Benson 1930-4-26 2058 San Mateo Stanford University. 122 Comment
  RSA582071  Hordeum D. D. Keck 1932-4-29 1449 San Mateo Redwood City. Fields near the San Francisco Bay salt marshes Comment
  CAS-BOT-BC173839  Hordeum brachyantherum Peter Rubtzoff 1976-5-22 8545 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  RSA0034585  Hordeum brachyantherum D. D. Keck 1932-5-6 1465 San Mateo Belmont. Comment
  CAS-BOT-BC289532  Hordeum brachyantherum subsp. californicum Ned Cahill 1974-5-30 320 San Mateo Near the intersection of Canada and Edgewood Roads about 3 mi westward from Redwood City Comment
  JROH5225  Hordeum brachyantherum subsp. californicum John Hunter Thomas 1979-5-22 19575 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET10598954  Hordeum californicum Delzie Demaree 1932-5-16 Demaree 9144 San Mateo Spring Valley Lakes. Comment
  CAS-BOT-BC285045  Hordeum depressum John Thomas Howell No date on label 28969 San Mateo Redwood City Comment
  CAS-BOT-BC285150  Hordeum marinum subsp. gussoneanum H. A. Borthwick 1920-5-18 151 San Mateo Santa Cruz Mountain Peninsula. Woodside Comment
  JROH5235  Hordeum marinum subsp. gussoneanum John H. Thomas 1955-5-6 4982 San Mateo Jasper Ridge Biological Preserve, Stanford University. Open serpentine area on top of ridge and adjacent grassy slopes. Comment
  JROH5236  Hordeum marinum subsp. gussoneanum John H. Thomas 1963-5-12 10081 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5244  Hordeum marinum subsp. gussoneanum John Hunter Thomas 1981-5-19 20606 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC289459  Hordeum murinum subsp. leporinum John H. Thomas 1962-4-24 9847 San Mateo San Bruno Mountain in northern part of county 396 Comment
  JROH5259  Hordeum murinum subsp. leporinum John Hunter Thomas 1987-5-15 24287 B San Mateo Jasper Ridge Biological Preserve, Stanford University. Low flow crossing. 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
  UC1537225  Hordeum murinum subsp. leporinum Gordon H. True Jr. 1937-4-3 620 San Mateo Salada Beach Road 182 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
  RSA138172  Hordeum vulgare W. R. Dudley 1896-4-4 s.n. San Mateo Near Crystal Springs Comment
  CAS-BOT-BC536139  Horkelia californica J. H. Thomas 1954-6-11 4273 San Mateo 0.8 mile north of Pescadero Creek 60 Comment
  UC618479  Horkelia californica Alice Eastwood, John Thomas Howell 1938-6-26 6069 San Mateo Pigeon Point Comment
  CAS-BOT-BC536143  Horkelia californica L. R. Abrams 1926-5-26 11219 San Mateo San Bruno Hills near Daly City Comment
  CAS-BOT-BC536149  Horkelia californica Alice Eastwood; John Thomas Howell 1938-6-26 6069 San Mateo Pigeon Point Comment
  CAS-BOT-BC143921  Horkelia cuneata var. sericea Phillip C. Wheeler 1965-5-11 s.n. San Mateo Pig Ranch Ravine Comment
  CAS-BOT-BC143925  Horkelia cuneata var. sericea W. R. Dudley 1901-5-11 s.n. San Mateo Near Colma Comment
  UCD165064  Hosackia gracilis Peter Rubtzoff; Roman Gankin 1975-5-21 7972 San Mateo San Bruno Mountains. 'Saddle' area on N side of Guadalupe Canyon Parkway west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  CAS-BOT-BC400967  Hypericum anagalloides Philip Wheeler 1965-6-16 s.n. San Mateo San Bruno Mountains. In Colma Canyon Comment
  RSA18359  Hypericum androsaemum C. B. Wolf 1929-5-25 3729 San Mateo Pebble Beach, S of Pescadero. Comment
  JROH2769  Hypericum calycinum John Rawlings, Ann Lambrecht 2008-7-23 0935 San Mateo Jasper Ridge Biological Preserve, Stanford University; south side of SF Creek and west of the Low Flow Crossing 81 Comment
  JEPS117923  Hypericum canariense John Dittes, Josephine Guardino 2007-6-30 1457 San Mateo undesignated section of Punta Del Ano Nuevo Land Grant east side of Highway 1 on slope south and east of (Central Coast; Ano Nuevo State Reserve, coastal terrace ca. 2.4 air-mile SE of Pidgeon Point Lighthouse); Gazos Creek 21 Comment
  RSA739721  Hypericum canariense John Dittes, Josephine Guardino 2007-6-30 1457 San Mateo Undesignated section of Punta Del Ano Nuevo Lant Grant, Central Coast, Ano Nuevo State Reserve, coastal terrace 2.4 air mile SE of Pidgeon Point Lighthouse, E side of Hwy 1 on slope S and E of Gazos Creek. 21 Comment
  UCD160241  Hypericum canariense Christopher Dillis 2015-5-15 4 San Mateo South of Pescadero on Hwy 1 (Cabrillo Hwy), 400 m south of Highway Brewing Company, then east 120 m on unmarked 1-lane dirt road; 10 m southwest of intersection with Old Coast Highway. 200 Comment
  UCD160243  Hypericum canariense Christopher Dillis 2015-5-15 6 San Mateo South of Pescadero on Hwy 1 (Cabrillo Hwy), 400 m south of Highway Brewing Company, then east 120 m on unmarked 1-lane dirt road; 10 m southwest of intersection with Old Coast Highway. 200 Comment
  UCD160244  Hypericum canariense Christopher Dillis 2015-5-15 7 San Mateo South of Pescadero on Hwy 1 (Cabrillo Hwy), 400 m south of Highway Brewing Company, then east 120 m on unmarked 1-lane dirt road; 10 m southwest of intersection with Old Coast Highway. 200 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
  RSA176615  Hypochaeris glabra John H. Thomas 1964-4-30 10338 San Mateo Near intersection of El Camino Real and F St, Colma Comment
  CAS-BOT-BC311391  Hypochaeris glabra D. D. Davis 1903-4-1 s.n. San Mateo Top of Searsville Ridge Comment
  SD39736  Hypochaeris radicata Edith A. Purer 1933-7-27 5394 San Mateo 2.0 miles south of Pigeon Point. Comment
  UCR266160  Ilex aquifolium A. C. Sanders 2015-12-22 41886 San Mateo San Francisco Bay Region, San Bruno Mountain, Summit Loop Trail above April Brook 274 Comment
  JROH5581  Impatiens balfourii John Rawlings 2013-7-2 1193 San Mateo Jasper Ridge Biological Preserve, Stanford University; downstream of Low Flow Crossing and about 100 m north of serpentine contact 78 Comment
  CHSC90622  Iris douglasiana Diane Mastalir 1988-3-27 6 San Mateo Hillside 6.7 mi s on hwy 1 from jcn hwy 1 and hwy 92, 2.3 mi e on Pescadero rd. 30 Comment
  SD38480  Iris douglasiana Edith A. Purer 1933-5-5 3633 San Mateo Alpine Road. Comment
  UC306610  Iris douglasiana A. D. E. Elmer Jun 1903 4806 San Mateo San Mateo Comment
  UC143469  Iris douglasiana Alice Eastwood Apr 1898 San Mateo Purissima Comment
  CAS-BOT-BC133654  Iris longipetala W. R. Dudley 1894-3-1 s.n. San Mateo Near South San Francisco Comment
  CAS-BOT-BC133666  Iris longipetala Walter Knight; Irja Knight 1965-3-21 956 San Mateo Along ridge near power lines at Brisbane end Comment
  IRVC9079  Iris macrosiphon P. W. Rundel 1963-6-11 1116 San Mateo San Fransisco Bay drainage area; Old La Honda Road. Santa Cruz Mountain Range 305 Comment
  CAS-BOT-BC112612  Isolepis cernua John Hunter Thomas 1959-7-8 8017 San Mateo Low moist coastal bluffs as Pescadero Beach. Comment
  CAS-BOT-BC112610  Isolepis cernua John Hunter Thomas 1973-4-25 16689 San Mateo Stanford University Lands along Sand Hill Road near Whiskey Hill Road. Comment
  CAS-BOT-BC112622  Isolepis cernua W. R. Dudley 1909-10-4 s.n. San Mateo E. twin-pond, North San Mateo County. Comment
  SEINET7589109 Image available Isolepis cernua Lewis S. Rose 1956-7-2 56117 San Mateo Skyline Blvd, hills W of San Mateo. 183 Comment
  CAS-BOT-BC340138  Jaumea carnosa Walter Knight; Irja Knight 1964-9-2 718 San Mateo San Bruno Mountain. At Pt. San Bruno 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
  UCD164089  Juncus breweri Peter Rubtzoff 1977-11-24 9145 San Mateo San Bruno Mountains.'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  UCR121578  Juncus bufonius George K. Helmkamp, E. A. Helmkamp 1999-6-28 5012 San Mateo Pescadero Creek Watershed, Bean Hollow Road 0.3 mi south of Pescadero Road (SW of Pescadero). Slopes above Butano Creek 61 Comment
  SEINET8544724  Juncus bufonius Charles Piper Smith 1905-4-1 728 San Mateo Stanford Univ. Roadside near Stockfarm bridge. 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
  CAS-BOT-BC176164  Juncus effusus var. pacificus Peter Rubtzoff; Roman Gankin 1975-9-11 8373 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  SEINET3879467  Juncus ensifolius K. Thorne, J. Chandler 1986-7-25 4934 San Mateo Half Moon Bay, 2 miles south of Moss Beach at Dune Beach.; 0 Comment
  UC1101029  Juncus hesperius Herbert L. Mason and Verne Grant 1946-8-28 13088 San Mateo s of San Francisco (on Santa Cruz-Daly City Road #5) Comment
  JROH4501  Juncus patens John Hunter Thomas 1977-6-16 18739 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA786665  Juncus patens Peter Rubtzoff, Roman Gankin 1975-9-11 8375 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  UC1601807  Juncus phaeocephalus J. Burtt Davy 1893-6-17 751 San Mateo Salt Marsh Belmont Comment
  UCD163589  Juncus phaeocephalus Peter Rubtzoff 1980-8-4 9561 San Mateo Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Westernmost part of the area on slope across fence. Comment
  JEPS128398  Juncus xiphioides Adam C. Schneider 2014-5-17 137 San Mateo Crystal Springs Reservoir. Comment
  JROH4041  Kickxia spuria John H. Thomas 1964-10-2 10514 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam along stream Comment
  JROH947  Lactuca saligna John Hunter Thomas 1982-9-23 21161 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM290111  Lactuca saligna Lyman Benson 1932-8-15 4050 San Mateo Menlo Park. 30 Comment
  JROH950  Lactuca serriola John H. Thomas 1971-8-5 16012 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC340638  Lactuca serriola Ned Cahill 1974-8-26 366 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  UCR256305  Lactuca virosa Peter Rubtzoff, Roman Gankin 1975-9-11 8374 San Mateo San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 213 Comment
  CAS-BOT-BC340706  Lactuca virosa Walter Knight; Irja Knight 1963-7-27 s.n. San Mateo San Bruno Mountain. Saddle Camp Comment
  JROH964  Lagophylla ramosissima John Hunter Thomas 1983-6-2 22331 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM194884  Lagophylla ramosissima D. D. Keck, William M. Heusi 1929-10-24 500 San Mateo Summit of Coast Range, Alpine Creek Road. 686 Comment
  CAS-BOT-BC339056  Lasthenia californica Alice Eastwood 1937-7-25 18886 San Mateo Pebble Beach, Pescadero Comment
  CAS-BOT-BC339074  Lasthenia californica Lewis S. Rose 1933-4-30 33128 San Mateo Redwood City Comment
  CAS-BOT-BC339087  Lasthenia californica Kenton L. Chambers 1956-6-20 1046 San Mateo Pebble Beach near Pescadero Point Comment
  CAS-BOT-BC339049  Lasthenia californica Elizabeth McClintock 1978-4-24 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  CAS-BOT-BC339057  Lasthenia californica Lewis S. Rose 1956-5-28 56081 San Mateo Skyline Blvd w. of San Mateo 182 Comment
  CAS-BOT-BC339064  Lasthenia californica Elizabeth McClintock 1972-4-23 s.n. San Mateo San Bruno Mountain. Slope above Fern Rock Comment
  POM319929  Lasthenia californica Barbara Shervanick 1973-4-1 802 San Mateo San Bruno Mt. first summit on Crocker Road; Mt. Range: San Bruno Mountains; Drainage Area: San Francisco Bay. Comment
  RSA155566  Lasthenia californica L. S. Rose 1961-4-5 61033 San Mateo San Bruno Mountains. 366 Comment
  JEPS127809  Lasthenia californica subsp. californica Adam C. Schneider with C. Matt Guilliams 2013-4-7 71 San Mateo Comment
  UC483354  Lasthenia californica subsp. californica W. R. Dudley 1897-5-1 San Mateo south San Francisco Comment
  UC90024  Lasthenia californica subsp. californica T. S. Brandegee 1890-5-28 San Mateo San Gorgonio Comment
Read comments Oct 12 2021
  CAS-BOT-BC324424  Lasthenia californica subsp. macrantha H. L. Mason 1921-6-1 s.n. San Mateo Pebble Beach near Pescadero Comment
  CAS-BOT-BC355540  Lasthenia glabrata var. glabrata John H. Thomas 1954-4-2 3792 San Mateo 1.5 miles east of center of Redwood City 0 Comment
  CAS-BOT-BC355542  Lasthenia glabrata var. glabrata John H. Thomas 1954-4-2 3793 San Mateo 1.5 miles east of center of Redwood City 0 Comment
  JEPS28873  Lasthenia gracilis V. F. Hesse 1962-7-19 3166 San Mateo 6 Comment
  SEINET7076116  Lasthenia minor A. G. Vestal 1955-5-31 s.n. San Mateo Pescadero Beach [Pescadero State Beach]. (NAD 27; 37.2631? deg. North Latitude, 122.4118? deg. West Longitude, UTM Zone 10, 552155mE, 4124015mN). [GPS Coordinate: WGS84/NAD83]. Comment
  UCR121579  Lasthenia minor George K. Helmkamp, E. A. Helmkamp 1999-6-28 5013 San Mateo Pescadero Creek Watershed, Bean Hollow Road 0.3 mi south of Pescadero Road (SW of Pescadero). Slopes above Butano Creek 61 Comment
  SFV3758  Lasthenia minor B. J. McCaskill 1954-5-8 295 San Mateo Moss Beach. On bank above beach. Comment
  SJSU11831  Lasthenia minor T. J. Sammis 1974-5-2 San Mateo Pescadero Rd 2.2 mi W of Pescadero 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
  POM19357  Lathyrus vestitus subsp. bolanderi Edward L. Greene 1902-1-15 8231 San Mateo West side Kings Mountain. Comment
  RSA176925  Lathyrus vestitus subsp. vestitus John H. Thomas 1961-5-7 9287 San Mateo San Bruno Mountain in northern part of county. 305 Comment
  POM19350  Lathyrus vestitus subsp. vestitus C. F. Baker 1902-5-10 8256 San Mateo Summit of Coast Range. Comment
  UC202762  Lathyrus vestitus var. vestitus A. D. E. Elmer May 1903 4745 San Mateo San Mateo Comment
  UC69549  Lathyrus vestitus var. vestitus J. Burtt Davy Jun 21 1893-Jun 23 1893 San Mateo Pilarcitos Lake and Canyon Comment
  UC75194  Lathyrus vestitus var. vestitus unknown 1903-4-6 1893 San Mateo San Bruno Hills Comment
  UC85315  Lathyrus vestitus var. vestitus C. F. Baker 1902-1-15 240 San Mateo w side Kings Mountain Comment
  RSA0110304  Lavatera arborea John H. Thomas 1959-4-4 7660 San Mateo At Pescadero. 61 Comment
  CAS-BOT-BC323160  Layia chrysanthemoides David D. Keck 1932-4-29 1450 San Mateo Redwood City. Comment
  UC913065  Layia chrysanthemoides David D. Keck 1932-5-6 1487 San Mateo near Skyline Boulevard (w of Millbrae Highlands) Comment
  RSA92255  Layia chrysanthemoides J. T. Howell 1933-5-26 11343 San Mateo Crystal Springs Lake. Comment
  UC990575  Layia gaillardioides James I. McMurphy 1909-5-25 San Mateo above Pulpit Rock; San Mateo Canyon Comment
  CAS-BOT-BC321093  Layia gaillardioides W. R. Dudley 1899-5-14 s.n. San Mateo Santa Cruz Peninsula, hills SW of Baden Comment
  CAS-BOT-BC321099  Layia gaillardioides David D. Keck 1932-5-6 1483 San Mateo Hills W of Millbrae Highlands, just E of Skyline Blvd.. Comment
  CAS-BOT-BC327467  Layia hieracioides John H. Thomas 1950-4-23 1646 San Mateo Ben Lomond Sand Hills, along Quail Hollow Road 152 Comment
  CAS-BOT-BC327476  Layia hieracioides Fred Hemphill 1973-4-22 732 San Mateo San Carlos. Chaparral area N of Malabar Rd and Melendy Dr. 207 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
  RSA128529  Layia hieracioides L. R. Abrams 1907-8-26 s.n. San Mateo King Mt.; Plants of the Santa Cruz Mountain Peninsula. Comment
  SD39841  Layia hieracioides Edith A. Purer 1933-7-27 5397 San Mateo Two miles south of Pigeon Point Comment
  UC828937  Layia hieracioides Lewis S. Rose 1933-6-9 33218 San Mateo 3 mi w of San Bruno Comment
  UC828938  Layia hieracioides John Thomas Howell 1938-5-1 13769 San Mateo Colma Canyon Comment
  UC89183  Layia hieracioides Alice Eastwood 1899-5-2 San Mateo near Pt. San Pedro Comment
  CAS-BOT-BC327454  Layia hieracioides David D. Keck 1933-5-11 2306 San Mateo Skyline Boulevard, east of Salada, northern San Mateo County. Comment
  CAS-BOT-BC327466  Layia hieracioides John H. Thomas 1950-4-9 1491 San Mateo About 2--3 miles W of Santa Cruz. Comment
  SEINET5556738  Layia hieracioides H. S. Gentry 1931-1 98 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  UC913095  Layia platyglossa David D. Keck 1932-5-6 1491 San Mateo e side Crystal Springs Lake 60 Comment
  CAS-BOT-BC382086  Layia platyglossa Ned Cahill 1974-4-8 117 San Mateo Near the intersection of Canada and Edgewood Roads, about 3 mi westward from Redwood City Comment
  RSA10278  Layia platyglossa subsp. platyglossa H. A. Barker 1927-5-14 659 San Mateo North of Half Moon Bay. Comment
  CAS-BOT-BC534546  Lemna gibba A. D. E. Elmer 1903-7-1 4765 San Mateo San Pedro Comment
  CAS-BOT-BC534547  Lemna gibba A. D. E. Elmer 1903-7-1 4765 San Mateo San Pedro Comment
  CAS-BOT-BC527274  Lemna minuta Roxana S. Ferris 1920-10-1 2100 San Mateo 1st mud lake, Coal Mine Ridge, Santa Cruz Mountain Peninsula Comment
  UC1101256  Lemna valdiviana Malcolm A. Nobs, S. Galen Smith 1949-8-26 1579 San Mateo about 1 mi s of Half Moon Bay Comment
  CAS-BOT-BC221530  Lepechinia calycina David D. Keck 1932-5-25 1779 San Mateo Hills two miles west of Belmont Comment
  CAS-BOT-BC221540  Lepechinia calycina Fred Hemphill 1973-4-15 717 San Mateo San Carlos. North of Malabar Rd. and Melendy Dr. 207 Comment
  CDA34569  Lepechinia calycina M. Beyers, Z. Bakman, L. Feely, & D. Sozanni 2011-4-4 875 San Mateo Pacifica: San Pedro Valley County Park, along Brooks Creek Trail. 148 Comment
  JROH2784  Lepechinia calycina John H. Thomas 1955-5-6 5015 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC221528  Lepechinia calycina L. R. Abrams 1909-5-26 4244 San Mateo Santa Cruz Peninsula. Canon [Canyon] between Dingee Park and Crystal Lake Comment
  CAS-BOT-BC89136  Lepidium didymum H. L. Mason 1921-5-29 s.n. San Mateo Pebble Beach near Pescadero. Comment
  CAS-BOT-BC89137  Lepidium didymum Malcom A. Nobs; Stanley Galen [S. Galen] Smith 1949-8-26 1594 San Mateo Marshes at the south of Pescadero Creek. Comment
  JROH1537  Lepidium latifolium John Rawlings, Ann Lambrecht 2009-7-3 0923 San Mateo Jasper Ridge Biological Preserve, Stanford University; north bank of Bear Creek 82 Comment
  RSA285070  Lepidium latifolium J. T. Howell 1978-7-18 53189 San Mateo 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
  JROH1549  Lepidium nitidum John Hunter Thomas 1980-4-10 19870 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lab Comment
  JROH1554  Lepidium nitidum John Hunter Thomas 1991-4-11 24984 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC12952  Lepidium strictum George Oberlander 1949-6-25 229 San Mateo San Francisco Watershed Reserve. On northern Cahill Ridge. Comment
  CAS-BOT-BC226538  Leptosiphon acicularis Margaret A. Barry 1937-5-1 46 San Mateo On Coal Mine Ridge Comment
  CAS-BOT-BC226599  Leptosiphon ambiguus A. D. E. Elmer 1903-4-1 4913 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC226607  Leptosiphon ambiguus L. R. A. 1902-5-4 2415 San Mateo Woodside Comment
  JROH3171  Leptosiphon androsaceus John H. Thomas 1971-4-10 15750 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM65224  Leptosiphon androsaceus C. F. Baker 1902-4-6 469 San Mateo Crystal Springs Lake. Comment
  POM65863  Leptosiphon androsaceus L. R. Abrams 1901-05 1569 San Mateo Woodside Comment
  RSA10321  Leptosiphon androsaceus H. A. Barker 1926-4-25 547 San Mateo Kings Mt. Comment
  OBI43249  Leptosiphon androsaceus Delzie Demaree 1932-4-27 9020 San Mateo Dry fields above Spring Valley Lakes Comment
  RSA6298  Leptosiphon androsaceus D. D. Keck 1932-5-6 1481 San Mateo Open hillside just west of Millbrae Highlands. 50 Comment
  RSA8491  Leptosiphon androsaceus L. S. Rose 1933-4-30 33135 San Mateo Redwood City Comment
  UC106675  Leptosiphon croceus Katharine Brandegee 1905-6-19 San Mateo Moss Beach (Wienke's) Moss Beach Comment
Read comments Jun 26 2010
  UC106861 Image available Leptosiphon croceus Alice Eastwood 1901-5-10 San Mateo Blenheim Comment
  RSA159411  Leptosiphon liniflorus John H. Thomas 1961-5-14 9380 San Mateo Serpentine road bank and outcropping just north of dam on San Mateo Creek. 122 Comment
  UC729640  Leptosiphon parviflorus Carl B. Wolf 1929-5-25 3727 San Mateo s of Pescadero; Pebble Beach Comment
  SD38815  Leptosiphon parviflorus Miss Cummings, McCallum 1933-4-26 3714 San Mateo Hills back of Stanford Campus. Comment
  UCD23293  Leptospermum laevigatum Alan T. Whittemore 1976-5-29 111 San Mateo San Francisco Fish and Game Refuge. East side of Lower Crystal Springs Lake, on Sawyer's Camp Road. 94 Comment
  CAS-BOT-BC324071  Lessingia arachnoidea Peter H. Raven 1957-9-1 11301 San Mateo Along State Highway 5 (Skyline Blvd.) at Woodside Road Comment
  UC1280011  Lessingia arachnoidea Peter H. Raven 1957-9-1 11301 San Mateo along Skyline Boulevard at Woodside Road Comment
  UC1287459  Lessingia arachnoidea Willard Spence 1960-10-16 635 San Mateo Ralston Road 0.2 mi off Skyline Blvd. Comment
  UCR70748  Lessingia arachnoidea David D. Keck 1931-10-5 1280 San Mateo San Francisco Bay Region, Crystal Springs Lake, east side 168 Comment
  RSA0001373  Lessingia bakeri C. F. Baker 1902-10-20 1834 San Mateo Searsville. Comment
  JROH1009  Lessingia glandulifera var. glandulifera John H. Thomas 1963-5-15 10091 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
  CAS-BOT-BC324178  Lessingia hololeuca Ned Cahill 1974-10-8 381 San Mateo near the intersection of Canada and Edgewood roads, about 3 miles westward from Redwood City Comment
  CHSC39182  Lessingia hololeuca R. N. Bowman 1984-6-29 3693 San Mateo .7 m. e of Skyline Rd. on Crystal Springs Rd. 500 Comment
  RSA169310  Lessingia hololeuca L. S. Rose 1964-9-5 s.n. San Mateo Emerald Lake, W of Redwood City. 244 Comment
  RSA608390  Lessingia hololeuca L. S. Rose 1936-9-19 s.n. San Mateo Crystal Springs Lake 152 Comment
  CAS-BOT-BC342093  Leucanthemum vulgare Robert S. Cox, Jr. 1946-8-10 s.n. San Mateo Summit of Santa Cruz Mountains (Cahil [Cahill] Ridge) along State Highway 5, near road to Half Moon Bay Comment
  JEPS71207  Leymus X vancouverensis William S. Cooper 1919-7-22 207 San Mateo Ano Nuevo Pt. 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
  CAS-BOT-BC272185  Leymus triticoides Elizabeth McClintock; Paul Reeberg 1988-10-31 s.n. San Mateo South side of Crocker Industrial Park just east of West Powerline, San Bruno Mountains 60 Comment
  JROH2987  Ligustrum vulgare John Rawlings 2012-5-23 1116 San Mateo Jasper Ridge Biological Preserve, Stanford University; at the end of a spur off Trail 12 nearly opposite the intersection with Trail 10. The spur ends in a large patch of Scirpus microcarpus at the edge of Corte Madera Creek. 109 Comment
  JROH5831  Ligustrum vulgare Ann Lambrecht, Alice Cummings 2013-6-18 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; at the end of a spur off Trail 12 nearly opposite the intersection with Trail 10. The spur ends in a large patch of Scirpus microcarpus at the edge of Corte Madera Creek. 109 Comment
  JEPS32129  Lilaea scilloides W. L. Jepson 1923-10-18 10260 San Mateo Colma Comment
  CAS-BOT-BC451668  Lilaea scilloides Dr. Kellogg No date on label s.n. San Mateo Near Searsville Comment
  CAS-BOT-BC130798  Lilium pardalinum Josephine D. Randall 1907-7-28 237 San Mateo Iversons near Peters Creek Comment
  JEPS95209  Limnanthes macounii R. Ornduff 1998-4-12 10168 San Mateo e side of Hwy 1, just s of Etheldore St, opposited Half Moon Bay airport Moss Beach Comment
  JROH4063  Limosella acaulis John Hunter Thomas 1982-11-6 21212 San Mateo Jasper Ridge Biological Preserve, Stanford University; old bathing beach, edge of Searsville Lake Comment
  POM259951  Limosella acaulis I. L. Wiggins, Roxana S. Ferris 1939-8-2 9294 San Mateo Ano Nuevo Point Comment
  UC306700  Linanthus ambiguus A. D. E. Elmer Apr 1903 4913 San Mateo Crystal Springs Lake Comment
  UC106676  Linanthus androsaceus Katharine Brandegee 1905-6-20 San Mateo near Lake Pilarcitos Comment
  SEINET8729325 Image available Linanthus androsaceus subsp. croceus Herbert L. Mason 1935-1 8315 San Mateo Pebble Beach, Pescadero Comment
  JEPS82910  Linanthus liniflorus Roy E. Buck and Randall A. Morgan 1983-6-7 338 San Mateo in triangle of Edgewood and Canada Rds and Hwy. I-280 (s of a small watercourse); San Francisco Watershed Reserve 137 Comment
  UCSC005529  Linanthus parviflorus Randall Morgan 1994-4-2 2173 San Mateo Jasper Ridge Comment
  CAS-BOT-BC36069  Lithocarpus densiflorus var. densiflorus W. R. Dudley 1895-3-26 s.n. San Mateo Beyond Post Office and near Mill on Alpine road Comment
  CAS-BOT-BC430769  Lithophragma affine W. R. Dudley 1900-3-17 s.n. San Mateo Redwood stage road below Hookerville Comment
  CAS-BOT-BC436219  Lithophragma heterophyllum C. F. Baker 1902-4-6 651 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC60216  Lobularia maritima J. H. Thomas 1959-12-19 8519 San Mateo Near Palo Alto Yacht Harbor along edge of dump. Comment
  CAS-BOT-BC60217  Lobularia maritima Robert Robertson 1954-4-14 73 San Mateo By roadside adjacent to Salicornia marsh. Northwest of Palo Alto Yacht Club. 3 Comment
  CAS-BOT-BC342469  Logfia gallica J. H. Thomas 1954-5-28 4234 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco 91 Comment
  JROH737  Logfia gallica John H. Thomas 1977-5-14 18607 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC283233  Lolium multiflorum Ned Cahill 1974-4-29 176 San Mateo Near the intersection of Canada and Edgewood Rds, about 3 miles W from Redwood City Comment
  UC1132202  Lolium multiflorum N. K. Carlson 1935-6-29 110 San Mateo 1 mi s Pescadero; Santa Cruz Quadrangle Comment
  UCD66070  Lolium multiflorum Lewis S. Rose 1966-5-2 66036 San Mateo Emerald Lake, west of Redwood City. 91 Comment
  CAS-BOT-BC283226  Lolium multiflorum Henry E. Wieser 1932-6-1 s.n. San Mateo W of Skyline Blvd betweeen intersection of Hillside and Easton Drives, Burlingame Comment
  CAS-BOT-BC173843  Lolium perenne Peter Rubtzoff 1975-11-8 8436 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. In area of uppermost part of East Fork Colma Creek, at the northwest corner of Fog Forest. Comment
  OBI8888  Lomatium dasycarpum Lewis S. Rose 1965-4-22 65027 San Mateo San Bruno Mtn, S of parking lot 366 Comment
  SEINET13944393 Image available Lomatium dasycarpum Lewis S. Rose 1950-1 50137 San Mateo Emerald Lake region. Hills W of Redwood City. Alt ca 800 ft 244 Comment
  JROH274  Lomatium macrocarpum John H. Thomas 1962-5-31 9894 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH278  Lomatium utriculatum Duncan M. Porter 1960-4-22 657 B San Mateo Jasper Ridge Biological Preserve, Stanford University; meadow near crest of NE-facing slope above Webb Ranch. Quadrat H-3 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
  POM284223  Lonicera hispidula var. vacillans Lyman Benson 1930-5-3 2098 San Mateo Above Woodside, Mt. Range: Santa Cruz 244 Comment
  RSA3893  Lonicera hispidula var. vacillans I. L. Wiggins 1929-6-4 3774 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  UC311525  Lonicera hispidula var. vacillans A. D. E. Elmer July, 1903 4596 San Mateo Lake San Andreas Comment
  CAS-BOT-BC241550  Lonicera involucrata var. ledebourii Elsie Zeile 1911-3-30 s.n. San Mateo S. San Francisco Comment
  CAS-BOT-BC243964  Lonicera involucrata var. ledebourii Roxana S. Ferris 1920-3-8 1762 San Mateo Crystal Springs - Half Moon Bay Road 426 Comment
  CAS-BOT-BC243974  Lonicera involucrata var. ledebourii W. R. Dudley 1894-3-28 s.n. San Mateo Canyon near Lobitos Creek Comment
  RSA51271  Lonicera involucrata var. ledebourii P. H. Raven 1950-4-30 1983 San Mateo Montara Mtns. Ca 1/2 mile N of Montara. 91 Comment
  CAS-BOT-BC389704  Lotus corniculatus L. Sigal 1969-7-1 s.n. San Mateo Belmont Comment
  JROH2042  Lotus corniculatus John Hunter Thomas 1977-6-16 18810 San Mateo Jasper Ridge Biological Preserve, Stanford University; in Searsville Lake Comment
  HSC2126  Lotus formosissimus J. Wendell Howe 1930-5-27 San Mateo Pigeon Point Rd., 3 mi. S of Pescadero Comment
  UC80707  Lotus humistratus C. F. Baker 1902-5-4 750 San Mateo Woodside Comment
  UC15648  Lotus micranthus J. Burtt Davy Jun 21 1893-Jun 23 1893 1156 San Mateo Pilarcitos Lake and Canyon Comment
  SEINET12154207  Lotus micranthus Unknown 1932-1 9017 San Mateo Gov. Rolph Estate Comment
  JEPS55888  Lotus scoparius Dr. L. M. Newlon 1921-7-30 248 San Mateo Salada Comment
  UC311102  Lotus scoparius A. D. E. Elmer 1903-6-1 4447 San Mateo Belmont Comment
  RSA87745  Lotus stipularis L. R. Abrams 1902-4-20 2460 San Mateo Kings Mountain. Comment
Read comments May 21 2014
  SEINET12151372  Lotus subpinnatus Unknown 1932-1 9137 San Mateo Sky Line Drive Comment
  JROH3080  Ludwigia peploides subsp. peploides M. Whitley 1990-5-5 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; by the boat ramp Comment
  UC311390  Lupinus A. D. E. Elmer May 1903 4827 San Mateo Portola Comment
  POM77733  Lupinus affinis C. P. Smith 1921-4-9 3292 San Mateo San Mateo Canyon Comment
  CAS-BOT-BC195805  Lupinus albifrons var. albifrons Charles Piper Smith 1948-4-23 48149 San Mateo Canada Road - 4 miles north of Woodside 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-BC195801  Lupinus albifrons var. albifrons Charles Piper Smith 1944-6-15 44103 San Mateo Broadway, railroad right of way Comment
  CAS-BOT-BC196111  Lupinus albifrons var. collinus Elizabeth McClintock; Walter Knight; Irja Knight; Baki Kasapligil 1967-7-18 s.n. San Mateo In Colma Canyon Comment
  CAS-BOT-BC196115  Lupinus albifrons var. collinus Charles Piper Smith 1908-4-26 1417 San Mateo S. San Francisco - north, base of San Bruno Mt. Comment
  CAS-BOT-BC196125  Lupinus albifrons var. collinus Roxana S. Ferris 1921-4-7 2131 San Mateo San Bruno Mt. 213 Comment
  RSA22000  Lupinus albifrons var. collinus J. T. Howell 1938-5-1 13770 San Mateo Colma Canyon Comment
  CAS-BOT-BC8523  Lupinus apricus C. P. Smith 1908-5-2 1427 San Mateo Stanford University. Stockfarm bridge. Comment
  UCD106655  Lupinus arboreus June McCaskill 1954-5-8 297 San Mateo Moss Beach. Comment
  SEINET10488459  Lupinus arboreus William R. Dudley 1899-5-14 Dudley UMO 67685 San Mateo Santa cruz peninsula. Near baden. Pale lavender, turning yellow Comment
  SEINET10488472  Lupinus arboreus Marcus E. Jones 1881-6-24 Jones s.n. San Mateo Comment
  SEINET10488484  Lupinus arboreus Walter Knight, Irja Knight 1964-5-4 Knight s.n. San Mateo San bruno mountains. Nell pubescent from claw to tip. Colma canyon Comment
  SEINET12154360  Lupinus arboreus Unknown 1933-1 10377 San Mateo Baden Station S San Francisco Comment
  JROH2115  Lupinus bicolor John H. Thomas 1975-4-19 17794 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2116  Lupinus bicolor John H. Thomas 1977-4-8 18518 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1057458  Lupinus bicolor G. Thomas Robbins 1937-4-11 103 San Mateo along roadside near Redwood City; near Redwood City Comment
  POM10639  Lupinus bicolor subsp. umbellatus C. F. Baker 1902-5-10 816 San Mateo Summit of Coast Range. Comment
  CAS-BOT-BC215065  Lupinus chamissonis Charles Piper Smith 1950-5-15 50134 San Mateo Highway 1, 0.4 miles N of Edgemar Comment
  POM11076  Lupinus densiflorus var. palustris A. D. E. Elmer 1903-06 4413 San Mateo Lake San Andreas. Comment
  UC864963  Lupinus formosus Alice Eastwood, John Thomas Howell 1938-6-26 6075 San Mateo above La Honda; above La Honda Comment
  SEINET11071961 Image available Lupinus latifolius A. A. Heller 1907-5-23 San Mateo Back of San Mateo on the Half Moon Bay road Comment
  RSA15310  Lupinus latifolius subsp. latifolius Carl B. Wolf 1927-4-3 280 San Mateo 1 1/2 miles above east base of La Honda grade, Santa Cruz Mountains. Comment
  UC127015  Lupinus latifolius var. latifolius J. Burtt Davy 1895-4-20 1085 San Mateo San Mateo Creek Comment
  UC75238  Lupinus latifolius var. latifolius C. F. Baker 470 San Mateo Crystal Springs Lake; ; Crystal Springs Lake, San Mateo Co. Comment
  JROH2125  Lupinus luteolus H. & R. Dengler 1958-6-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; 200' due north of point where Corte Madera Cr. enters the preserve Comment
  SD27830  Lupinus menziesii Carl B. Wolf 1929-5-17 3712 San Mateo Alpine Road east of Skyline Blvd. 305 Comment
  JROH2126  Lupinus nanus John H. Thomas 1967-4-28 12723 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2136  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
  UCSB16951  Lupinus nanus Schulte, John 1963-4-14 San Mateo Jasper Ridge, 3 miles SW of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  JROH5732  Lupinus nanus John H. Thomas 1976-4-30 18100 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  SEINET12154596  Lupinus nanus M. T. Doutt 1931-1 s.n. San Mateo Skyline Blvd, W of Hillbrae Comment
  SEINET10903591  Lupinus nanus subsp. latifolius Charles Piper Smith 1947-4-25 Smith 47188 San Mateo Pebble beach (pescadero), hwy 1. Comment
  RSA413810  Lupinus nanus subsp. nanus D. D. Keck 1932-5-11 1769 San Mateo Two miles north of San Gregorio. 15 Comment
  JEPS34467  Lupinus variicolor L. Heckard and R. Bacigalupi 1963-7-2 1356 San Mateo trail to Montara Peak above old county road Comment
  POM248727  Lupinus variicolor Alice Eastwood, John T. Howell 1938-6-26 6076 San Mateo Kings Mt. Comment
  SEINET7076091 Image available Lupinus variicolor A. G. Vestal 1955-5-31 s.n. San Mateo Near Pebble Beach off Route 1. (NAD 27; 37.2369? deg. North Latitude, 122.4153? deg. West Longitude, UTM Zone 10, 551863mE, 4121109mN). [GPS Coordinate: WGS84/NAD83]. Comment
  RSA162482  Lupinus variicolor E. K. Balls 1963-5-22 12067 San Mateo 2 mi. N. from turn out to San Gregorio, State Hwy. #1. 15 Comment
  SEINET10489088  Lupinus variicolor Elizabeth M. McClintock 1963-6-9 McClintock 134 San Mateo San bruno mtn. Exposed slopes below top of mtn. Comment
  SEINET10489095  Lupinus variicolor Walter Knight, Irja Knight 1965-3-28 Knight 974 San Mateo San bruno mtn. In grassy area. April brook. Only occasional plant. Comment
  SEINET10489109  Lupinus variicolor Mcclintock 1963-6-23 MCCLINTOCK s.n. San Mateo San bruno mtn. Lower part of colma canyon. Comment
  SEINET12154794  Lupinus variicolor M. T. Doutt 1931-1 422 San Mateo Skyline Blvd, W of Hillbrae Comment
  POM290435  Luzula comosa Lyman Benson 1930-5-3 2102 San Mateo Above Woodside, Mt. Range: Santa Cruz 244 Comment
  JROH4524  Luzula comosa var. comosa John H. Thomas 1967-4-20 12712 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC441369  Luzula subsessilis John H. Thomas 1964-4-30 10369 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  CHSC106625  Luzula subsessilis Peter F. Zika 2010-5-1 24790 San Mateo Above SE shore of Alpine Pond, Santa Cruz Mountains, San Francisco Bay (SnFrB) 660 Comment
  CAS-BOT-BC441363  Luzula subsessilis Elizabeth McClintock 1964-4-17 s.n. San Mateo San Bruno Mountain: on top of mountain Comment
  UC1099770  Luzula subsessilis Herbert L. Mason 1927-4-23 3686 San Mateo along road from La Honda to Pescadero Creek Comment
  POM186050  Lysichiton americanus A. D. E. Elmer 1903-06 4551 San Mateo Butano Creek Comment
  RSA0034072  Lythrum Peter Rubtzoff 1987-8-26 9837 San Mateo San Bruno Mountain, Saddle area on N side of Guadalupe Canyon. Parkway west of Radio Road junction; northwestern part of the area along old Guadalupe Road. Comment
  JROH5961  Lythrum hyssopifolia John Rawlings 2017-5-9 2053 San Mateo Jasper Ridge Biological Preserve, Stanford University; drainage ditch along road south of visitor oarking lot near trail up slope to Global Change site. 115 Comment
  SJSU10438  Lythrum hyssopifolia S. R. Piazza 1963-6-27 San Mateo by Hwy 1, 2 mi N of Pigeon Point Lighthouse Comment
  JROH2947  Lythrum hyssopifolia John Hunter Thomas 1977-6-16 18751 San Mateo Jasper Ridge Biological Preserve, Stanford University; near old racing oval Comment
  RSA0011330  Lythrum hyssopifolia I. L. Wiggins 1949-7-2 12195 San Mateo Pescadero Beach. Comment
  CAS-BOT-BC343914  Madia elegans A. D. E. Elmer 1903-5-1 4662 San Mateo Alpine School House Comment
  SD38972  Madia elegans Edith A. Purer 1933-8-13 5421 San Mateo Santa Clara Valley near Belmont. Comment
  CAS-BOT-BC343901  Madia elegans George Oberlander 1949-9-25 369 San Mateo San Francisco Watershed Reserve. North of San Andreas L. Comment
  CAS-BOT-BC343905  Madia elegans Barrett Anderson 1986-8-12 3258 San Mateo Skyline Blvd just N of Crystal Springs Rd. 135 Comment
  HSC23936  Madia elegans Mary Katherine Wicksten 1971-7-22 185 San Mateo Huddart Park, by park entrance Comment
  POM54251  Madia elegans subsp. vernalis A. D. E. Elmer 1903-05 4662 San Mateo Alpine School House. Comment
  JROH5660  Madia exigua John Rawlings 2014-5-23 1269 San Mateo Jasper Ridge Biological Preserve, Stanford University; up-slope from boat dock (aka Searsville Lab Landing). 104 Comment
  CAS-BOT-BC343328  Madia gracilis Peter H. Raven 1950-4-30 1990 San Mateo Montara Mts. 121 Comment
  CAS-BOT-BC343330  Madia gracilis Fred Hemphill 1973-5-14 815 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  JROH1071  Madia gracilis John H. Thomas 1969-5-28 15093 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1072  Madia gracilis D. E. Breedlove 1971-5-31 19342 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  RSA3891  Madia gracilis I. L. Wiggins 1929-7-4 3780 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  CAS-BOT-BC343340  Madia gracilis James I. McMurphy 1909-5-25 s.n. San Mateo San Mateo Canyon Comment
  POM87787  Madia madioides L. R. Abrams 1902-5-20 2474 San Mateo Kings Mountain Comment
  RSA120834  Madia madioides S. S. Tillett, I. Sternback 1956-6-24 529 San Mateo Middleton property, behind (N.) Portola Camp Store, just outside Portola State Park. 396 Comment
  JROH1103  Madia sativa John Hunter Thomas 1977-6-16 18763 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC345124  Madia sativa Walter Knight; Irja Knight 1965-5-9 1094 San Mateo San Bruno Mountain. Devil's Arroyo Comment
  SD38971  Madia sativa Delzie Demaree 1932-5-30 9191 San Mateo Comment
  CHSC27854  Maianthemum racemosum Susan Perkins 1978-3-24 13 San Mateo Stage Road, 4 mi s of San Gregorio, 2.5 mi n of Pescadero, ca. 8 mi sw of La Honda. 60 Comment
  UCSB33561  Maianthemum racemosum Brownell, Kathleen 1979-3-27 San Mateo Gazoos Road; 0.6 miles from Highway 1; Near Butano State Park; Foothills of Santa Cruz Mountains 76 Comment
  RSA18378  Maianthemum racemosum subsp. amplexicaule Carl B. Wolf 1927-7-1 530 San Mateo Above Emerald Lake, back of Redwood City Comment
  CAS-BOT-BC511479  Maianthemum racemosum subsp. amplexicaule Josephine Randall 1908-3-22 s.n. San Mateo Corte de Madera Canyon near Alpine Road Comment
  CAS-BOT-BC512111  Maianthemum racemosum subsp. amplexicaule John H. Thomas 1967-5-7 12835 San Mateo Near intersection of Bean Hollow Rd. and Pescadero Rd., about 1/2 mile westward from Pescadero. 91 Comment
  CAS-BOT-BC512115  Maianthemum racemosum subsp. amplexicaule Ned Cahill 1974-5-13 251 San Mateo Chaprral near the intersection of Canada and Edgewood roads, about 3 miles westward from Redwood City. Comment
  RSA407374  Maianthemum racemosum subsp. amplexicaule Lyman Benson 1928-4-21 95 San Mateo Stanford University, Mt. Range: Santa Cruz; River: San Francisquito Creek. 91 Comment
  JROH4715  Maianthemum stellatum John Hunter Thomas 1985-4-25 23569 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
  SD27772  Maianthemum stellatum Carl B. Wolf 1927-4-3 250 San Mateo 1 mile above La Honda. 244 Comment
  CAS-BOT-BC203907  Malacothamnus aboriginum George Oberlander 1949-7-10 258 San Mateo San Francisco Watershed Reserve. South end of Sawyer Ridge Comment
  RSA176727  Malacothamnus arcuatus John H. Thomas 1962-6-6 9906 San Mateo Jasper Ridge Biological Expermental Area, about 5 miles SW of Palo Alto; just above Searsville Lake. Comment
Read comments Nov 5 2009
  SD58248  Malacothamnus arcuatus R. L. Pendleton 1906-6-10 366 San Mateo Mountain View Road, 1.0 mile north of Saratoga. 130 Comment
  UC614867  Malacothamnus fremontii Beryl O. Schreiber 1932-5-29 San Mateo near San Mateo (Spring Valley Water Company road) Comment
  HSC16000  Malva arborea P. A. Murphy 1965-4-16 45 San Mateo Half Moon Bay Comment
  UCD39014  Malva arborea Beecher Crampton 1962-6-11 6510 San Mateo Pacifica, Sharp Park at Mori's Point. Comment
  CAS-BOT-BC206683  Malva assurgentiflora John H. Thomas 1967-5-2 12734 San Mateo Colma, near Hillside Blvd. at Cypress Lawn Cemetery Comment
  JROH2965  Malva nicaeensis John H. Thomas 1970-7-5 15672 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2966  Malva nicaeensis John H. Thomas 1970-7-5 15672 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA141089  Malva nicaeensis John H. Thomas 1960-6-25 8784 -B San Mateo Redwood City, in vacant lot near Main and Stambaugh Streets Comment
  CHSC28453  Marah fabacea Robert A. Schlising 1963-3-15 2449 San Mateo Along Skyline Blvd., near junction with Half Moon Bay Road. Comment
  CDA34452  Marah oregana M. Beyers, Z. Bakman, L. Feely, & D. Sozanni 2011-4-4 872 San Mateo Pacifica: San Pedro Valley County Park, along Brooks Creek Trail. 148 Comment
  SD39366  Marah oregana Edith A. Purer 1933-4-25 3656 San Mateo King's Mountain Road Comment
  RSA176525  Marrubium vulgare John H. Thomas 1962-7-15 9919 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  UC25352  Marrubium vulgare Michener and Bioletti Sept. 1891 San Mateo San Bruno Road Comment
Read comments Jul 2 2009
  JROH2177  Medicago arabica John H. Thomas 1976-10-16 18421 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 fireplace ruins downstream Comment
  JROH2159  Medicago lupulina Ann Lambrecht 2005-8-1 18 San Mateo Jasper Ridge Biological Preserve, Stanford University; Road C just south of low-flow crossing, west side of road Comment
  JROH2170  Medicago polymorpha John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA788950  Medicago polymorpha Peter Rubtzoff 1977-4-16 8952 San Mateo San Bruno Mountains. Saddle area on N side of Guadalupe Canyon Parkway west of Radio Road junction, along W side of East Fork Colma Creek Canyon. Comment
  CAS-BOT-BC157964  Medicago polymorpha var. brevispina 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-BC269473  Melica californica LeRoy Abrams 1901-5-1 1568 San Mateo Woodside Comment
  CAS-BOT-BC269479  Melica californica George Oberlander 1950-4-23 808 San Mateo San Francisco Watershed Reserve. Sawyer Ridge Comment
  JROH5299  Melica californica W. H. Lennihan 1990-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Right side of trail leading from serpentine hill to oak woodlands. Comment
  CAS-BOT-BC281409  Melica imperfecta W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. S slope of Montara Mt Comment
  RSA187302  Melica imperfecta John H. Thomas 1964-4-12 10301 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  JROH5311  Melica subulata John Rawlings 2005-5-15 1005 San Mateo Jasper Ridge Biological Preserve, Stanford University; verge of Trail 2 from 100 to 250 yards west of the zoology cabin site 82 Comment
  JROH5312  Melica subulata John Rawlings 2005-5-15 1006 San Mateo Jasper Ridge Biological Preserve, Stanford University; verge of Trail 2 from 100 to 250 yards west of the zoology cabin site 82 Comment
  JROH2816  Mentha pulegium John Hunter Thomas 1980-11-12 20163 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC634880  Mentha pulegium Herbert L. Mason Oct. 1923 785 San Mateo near summit of Jasper Ridge (toward the Hermits); near summit of Jasper Ridge toward the Hermits Comment
Read comments Sep 19 2011
  JROH2815  Mentha pulegium John Hunter Thomas 1979-9-9 19711 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam 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
  CAS-BOT-BC166665  Mentha spicata Peter Rubtzoff 1978-9-16 9268 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  JROH2826  Mentha spicata Carol Zabel 2006-8-23 64 San Mateo Jasper Ridge Biological Preserve, Stanford University; Dennis Martin site Comment
  RSA34831  Mercurialis annua I. L. Wiggins 1945-9-22 11195 San Mateo Cultivated fields in Pedro Valley, inland from Pedro Point. Comment
  CAS-BOT-BC428899  Micranthes californica Ira L. Wiggins 1929-3-23 3369 San Mateo Road to Mud Lake, near Stanford University. Comment
  JROH3905  Micranthes californica D. D. Davis 1903-3-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3906  Micranthes californica John H. Thomas 1973-3-12 16483 San Mateo Jasper Ridge Biological Preserve, Stanford University 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-BC348579  Micropus californicus var. californicus W. R. Dudley 1906-6-11 s.n. San Mateo Santa Cruz Mountain Peninsula. Field E. of Kings Mt. House Comment
  CAS-BOT-BC348569  Micropus californicus var. californicus Elizabeth McClintock 1978-4-24 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  CAS-BOT-BC348573  Micropus californicus var. californicus George Oberlander 1949-7-24 286 San Mateo San Francisco Watershed Reserve. Northern Cahill Ridge Comment
  SJSU1071  Microseris douglasii C. W. Sharsmith 1951-4-6 5826 San Mateo Woodside Hills c. 3 mi W of Woodside 182 Comment
  CAS-BOT-BC349017  Microseris douglasii subsp. douglasii James McMurphy 1906-5-8 s.n. San Mateo Head of Crystal Springs Lakes Comment
  CAS-BOT-BC349026  Microseris douglasii subsp. douglasii Ned Cahill 1974-5-13 273 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC349033  Microseris douglasii subsp. douglasii John H. Thomas 1971-5-2 15801 San Mateo Near intersection of Canada Road and Edgewater Road, about three miles westward from Redwood City 152 Comment
  JEPS36153  Microseris douglasii subsp. douglasii J. Burtt Davy 1893-6-17 797 San Mateo Belmont Comment
  JEPS49068  Microseris douglasii subsp. douglasii Lewis S. Rose 1966-5-2 66037 A San Mateo w Redwood City; Emerald Lake 91 Comment
  JROH1140  Microseris douglasii subsp. douglasii John H. Thomas 1957-4-16 6658 San Mateo Jasper Ridge Biological Preserve, Stanford University; open serpentine area on top of ridge and adjacent slopes Comment
  CAS-BOT-BC349039  Microseris douglasii subsp. douglasii Elizabeth McClintock 1978-4-24 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  POM53382  Microseris douglasii subsp. tenella C. F. Baker 1902-5-4 756 San Mateo Woodside. Comment
  CAS-BOT-BC349191  Microseris elegans R. E. Frenkel 1964-5-26 507 San Mateo On Whiting Ridge Fire Tr. Road, SFWD, 0.5 mile west of Spring Valley Ridge Road 304 Comment
  JROH3218  Microsteris gracilis John H. Thomas 1968-3-17 14180 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5943  Microsteris gracilis John Rawlings 2017-3-17 1981 San Mateo Jasper Ridge Biological Preserve, Stanford University; in and along Road F in East Serpentine near Escobar Gate. 161 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
  UCD122291  Mimulus aurantiacus var. aurantiacus June McCaskill 1954-5-8 298 San Mateo Highway 5, ca. 2 miles northeast of junction with Halfmoon Bay Road. 883 Comment
  POM5152  Mimulus cardinalis A. D. E. Elmer 1903-07 4941 San Mateo Lake San Andreas. Comment
  JROH4082  Mimulus douglasii Le Roy Abrams 1902-4-5 2293 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Comment
  UC162414  Mimulus grandis A. A. Heller 1906-6-8 8376 San Mateo near Ocean View; San Francisco Comment
  SBBG33480  Mimulus guttatus A. D. E. Elmer -Aug-1903 4857 San Mateo Crystal Springs Lake Comment
  UC567220  Mimulus guttatus H. S. Yates 1935-5-7 5217 San Mateo 2 mi s Pescadero; Santa Cruz Quadrangle 60 Comment
  POM87703  Minuartia douglasii L. R. Abrams 1902-5-4 2429 San Mateo Woodside Comment
  UC1111631  Minuartia douglasii Lewis S. Rose 1956-5-7 56067 San Mateo Skyline Blvd. w San Mateo 182 Comment
  CAS-BOT-BC388825  Minuartia douglasii Arthur Spiegler 1952-5-10 80 San Mateo Jasper Ridge above Searsville Lake 457 Comment
  CAS-BOT-BC214083  Monardella villosa Josephine D. Randall 1907-6-29 177 San Mateo King's Mt. Road, Santa Cruz Peninsula Comment
  CAS-BOT-BC214089  Monardella villosa H. M. Hall 1924-1-1 11958 San Mateo S.W. side Montara Mt. Comment
  RSA18315  Monardella villosa Carl B. Wolf 1927-7-14 596 San Mateo Summit of Kings Mt. at junction with Skyline Drive Comment
  RSA218007  Monardella villosa Elizabeth McClintock, Walter, Irja Knight, Baki Kasapligil 1967-7-18 s.n. San Mateo North side of ridge road adjacent to Buckeye Canyon, San Bruno Mountain 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
  UC1041059  Monardella villosa subsp. franciscana J. W. Congdon 1901-7-7 San Mateo Road Millbrae to Spring Valley Comment
  SEINET10928195  Monardella villosa subsp. franciscana A. Graff 1993-7-13 Graff 186 San Mateo Devil's Slide, in arroyos on inland side of Hwy. 1. Mostly past bloom. Coastal scrub. Comment
  JROH2836  Monardella villosa subsp. villosa John H. Thomas 1971-5-30 15958 San Mateo Jasper Ridge Biological Preserve, Stanford University; along trail below dam Comment
  JROH2835  Monardella villosa subsp. villosa John H. Thomas 1963-6-23 10166 San Mateo Jasper Ridge Biological Preserve, Stanford University; near exclosure on northern slope of ridge Comment
  CAS-BOT-BC445193  Montia parvifolia A. D. E. Elmer 1903-5-1 4577 San Mateo Iverson's Place Comment
  UC311167  Montia parvifolia A. D. E. Elmer May, 1903 4577 San Mateo Iverson's Place Comment
  UC1057459  Muilla maritima G. Thomas Robbins 1937-4-11 100 San Mateo near Spring Valley Lakes, along road to Woodside Comment
  UC1206482  Muilla maritima Le Roy Abrams 1902-4-13 2330 San Mateo Crystal Springs Lake Comment
  UC13848  Muilla maritima Alice Eastwood April 1896 San Mateo Crystal Springs Comment
  CAS-BOT-BC508586  Muilla maritima Le Roy Abrams 1902-4-13 2330 San Mateo Crystal Springs Lake Comment
  RSA152078  Myosotis latifolia John H. Thomas 1962-5-12 9332 San Mateo San Bruno Mountain. 244 Comment
  HSC23339  Myosotis sylvatica L. A. Wright Jr. 1971-4-4 25 San Mateo 0.5 mi. E on Gazos Creek Rd. from junction with Cloverdale Rd., 6.5 mi. S off of Pescadero Rd., about 3 mi. E off of Hwy. 1. On N side of Gazos Creek, about 25 ft. from the creek and about 100 ft. from the road 91 Comment
  CAS-BOT-BC101770  Myrica californica W. R. Dudley 1893-2-18 s.n. San Mateo near La Honda Comment
  RSA18326  Myrica californica Carl B. Wolf 1929-5-10 3709 San Mateo Coast at Pigeon Pt. South of Pescadero. Comment
  CAS-BOT-BC101772  Myrica californica Phillip C. Wheeler 1965-7-7 s.n. San Mateo Canyon south of Pig Ranch Comment
  JROH2693  Myriophyllum aquaticum John Hunter Thomas 1977-6-16 18782 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  UCSB4544  Myriophyllum spicatum McPherson, D. 1960-08 San Mateo Felt Lake; Stanford University foothills Comment
  CDA5316  Myriophyllum spicatum subsp. spicatum G. D. Barbe, Tom Palmer, M. Keffer, J. Reppas 1978-11-8 2468 San Mateo Cove west of dam, south end of San Andreas Lake. 0 Comment
  SEINET7040215  Nama demissa A. G. Vestal 1962-3-26 s.n. San Mateo Laguna Salada. San Francisco South Quadrangle UTM Zone 10, 545384mE, 4164305mN. Comment
  CAS-BOT-BC260024  Nassella lepida Phillip C. Wheeler 1965-5-18 s.n. San Mateo San Bruno Mountain. Near base of mountain near Olivet Cemetary Comment
  CAS-BOT-BC260229  Nassella pulchra W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. S side of Montara Mountain Comment
  CAS-BOT-BC260236  Nassella pulchra John H. Thomas 1971-5-2 15869 F San Mateo Near intersection of Canada Road and Edgewater Road, about 3 miles W from Redwood City 152 Comment
  CAS-BOT-BC260237  Nassella pulchra H. A. Dutton 1900-2-1 s.n. San Mateo Santa Cruz Mountain Peninsula. Woodside Comment
  UC306628  Nassella pulchra A. D. E. Elmer June, 1903 4712 San Mateo Crystal Springs Lake Comment
  JROH1575  Nasturtium officinale Carol Zabel 1989-8-11 28 San Mateo Jasper Ridge Biological Preserve, Stanford University; San Francisquito Creek bank near low-flow crossing at Road C Comment
  SEINET10496814  Navarretia atractyloides Mary Susan Taylor 1978-8-30 Taylor 1871 San Mateo Comment
  SEINET3479173  Navarretia heterodoxa L. S. Rose 1941-6-12 41269 San Mateo West of Redwood City, West of Redwood City, Emerald Lake 120 Comment
  JROH3210  Navarretia squarrosa John H. Thomas 1973-6-15 16835 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3217  Navarretia squarrosa John Hunter Thomas 1983-7-20 22892 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM282334  Navarretia squarrosa Lyman Benson 1932-7-11 3929 San Mateo Stanford University, Santa Cruz Mountain range, San Francisquito Creek watershed 152 Comment
  SD3919  Navarretia squarrosa Ulysses S. Grant 1925-9-2 San Mateo Burlingame Comment
  SEINET3840801  Nemophila parviflora Unknown 2005-6-21 5 .368 San Mateo Northeast corner of Pilarcitos Lake, SF Water District land 250 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-BC219477  Nemophila parviflora Josephine D. Randall 1908-2-16 s.n. San Mateo Santa Cruz Peninsula. Corte de Madre Canon [Canyon] near Alpine Road Comment
  CAS-BOT-BC219484  Nemophila parviflora Kellogg; Brannan 1870-5-31 s.n. San Mateo Redwood Comment
  JROH5667  Nemophila parviflora var. parviflora John Rawlings 2014-3-31 1243 San Mateo Jasper Ridge Biological Preserve, Stanford University; along uphill side of Rd G just south of small drainage south of Rd G intersection with Rd J. 107 Comment
  POM65250  Nemophila parviflora var. parviflora C. F. Baker 1902-4-12 509 San Mateo La Honda. Comment
  JROH4169  Nicotiana acuminata var. multiflora Ann Lambrecht, John Rawlings 2007-11-7 0038 San Mateo Jasper Ridge Biological Preserve, Stanford University. 115 Comment
  CAS-BOT-BC140448  Oemleria cerasiformis Elizabeth McClintock 1967-4-16 s.n. San Mateo Buckeye Canyon Comment
  JROH3713  Oemleria cerasiformis John Hunter Thomas 1982-2-19 20801 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Goya Gate Comment
  JROH284  Oenanthe sarmentosa L. R. Abrams 1919-8-20 7349 San Mateo Jasper Ridge Biological Preserve, Stanford University; head of Searsville Lake Comment
  RSA301273  Oenothera Andrew R. Moldenke 1975-9-6 3419 San Mateo Pigeon Point Comment
  JROH2988  Olea europaea John H. Thomas 1967-5-10 12850 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3087  Orobanche John Hunter Thomas 1991-12-28 25118 San Mateo Jasper Ridge Biological Preserve, Stanford University; Rattlesnake Rocks along path to redwoods Comment
  SEINET199760  Orobanche californica subsp. californica Herbert L. Mason 1927-7-28 3983 San Mateo Pigeon Point Comment
  POM59435  Orobanche californica subsp. californica W. A. Setchell 1909-8-29 173 San Mateo Farallone City, on slopes facing the ocean. Comment
  JROH3088  Orobanche uniflora John H. Thomas 1968-5-3 14444 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC500318  Orobanche uniflora subsp. occidentalis W. R. Dudley 1894-4-21 s.n. San Mateo Santa Cruz Peninsula: Rocks above San Mateo Creek Comment
  CAS-BOT-BC502964  Orobanche vallicola Frank Tose 1927-10-1 s.n. San Mateo On the road to San Mateo Comment
  SEINET12324060  Orthocarpus attenuatus E. McClintock, Knight, W.; Knight, I. 1982-1 4649 San Mateo San Bruno Mountain Comment
  SEINET12270178  Orthocarpus densiflorus Unknown 1932-1 8982 San Mateo on way to Gov. Rolph Estate Comment
  RSA184905  Orthocarpus erianthus var. roseus L. S. Rose 1965-3-25 65010 San Mateo San Bruno Mountains, north end. 122 Comment
Read comments Mar 28 2016
  POM126837  Orthocarpus erianthus var. roseus R. L. Pendleton 1907-4-20 618 San Mateo Ocean View. 122 Comment
  POM15377  Orthocarpus floribundus A. D. E. Elmer 1903-04 4522 San Mateo South San Francisco. Comment
  UC21176  Osmorhiza berteroi J. Burtt Davy 1893-6-17 788 San Mateo Belmont Comment
  SEINET12119094  Osmorhiza chilensis Unknown 1932-1 9173 San Mateo Los Francos Woods Comment
Read comments Oct 12 2021
  SEINET6948092  Oxalis corniculata Robert A. Evers, Clara V. Evers 1975-8-24 115022 San Mateo Trailer Villa, Redwood City. Comment
  CDA28462  Oxalis corymbosa H. Struffenegger, J. Reppas 1974-1-9 San Mateo Podesta Nursery, 1951 Pulgas Avenue, East Palo Alto. 0 Comment
  UC1130246  Oxalis oregana N. K. Carlson 1935-7-3 114 San Mateo 3 mi s Bellvale; Santa Cruz quad 91 Comment
  RSA130344  Oxalis oregana W. R. Dudley 1894-3-26 s.n. San Mateo Santa Cruz Peninsula: Redwoods beyond Kings, Santa Cruz Range Comment
  POM177457  Oxalis pes-caprae L. R. Abrams, I. L. Wiggins 1930-11-13 176 San Mateo Along Skyline Blvd. near Colma Comment
  UCSB11440  Oxalis pes-caprae Olson, Jim 1962-4-17 San Mateo 1 mile east of Halfmoon Bay on Halfmoon Bay to San Mateo Road 15 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-BC253791  Panicum hillmanii Phillip C. Wheeler 1965-6-19 s.n. San Mateo San Bruno Mountains. Brisbane Lagoon near railroad tracks Comment
  CAS-BOT-BC253972  Parapholis incurva V. F. Hesse 1964-5-26 3210 San Mateo Near (S of) Pigeon Point 15 Comment
  JEPS71261  Parapholis incurva A. L. Hormay 1932-5-29 San Mateo San Bruno; San Francisco Bay Shore Comment
  UCSC000079  Parapholis incurva A. Hormay 1932-5-29 16 San Mateo San Bruno 0 Comment
  JROH4093  Parentucellia viscosa Toni Corelli 2005-4-26 286 San Mateo Jasper Ridge Biological Preserve, Stanford University; north of SLAC Corridor Road B 88 Comment
  UCR113570  Parietaria judaica Mitch Provance 1999-1-18 1745 San Mateo Daly City, west side of Mission St, c. 0.25 miles south of the San Mateo/ San Francisco County line 122 Comment
  UCD88918  Paspalum distichum David Hanson 1975-11-24 s.n. San Mateo Half Moon Bay. Comment
  JROH1405  Pectocarya pusilla Toni Corelli 2004-4-18 270 San Mateo Jasper Ridge Biological Preserve, Stanford University. On trail 9 182 Comment
  HSC20921  Pedicularis densiflora L. S. Rose 1964-3-23 64013 San Mateo Emerald Lake, W of Redwood City 122 Comment
  JROH4115  Pedicularis densiflora John Hunter Thomas 1978-4-20 19094 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  LA209468  Pedicularis densiflora L. R. Abrams; 1914-3-1 5058 San Mateo Kings Mountain Road 152 Comment
  JROH4116  Pedicularis densiflora John Hunter Thomas 1981-5-15 20641 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA130343  Pedicularis densiflora H. A. Lewis 1908-4-30 s.n. San Mateo Los Trancos. Comment
  UCSB17558  Pedicularis densiflora Schulte, John 1963-4-14 San Mateo Top of Jasper Ridge, 3 miles southwest of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  CAS-BOT-BC266666  Pedicularis dudleyi J. H. Thomas 1961-6-20 9550 San Mateo Portola State Park, near junction of Peters and Pescadero Creeks, from near rangers station to the camp grounds 152 Comment
  SFV4292  Pelargonium capitatum 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
  CAS-BOT-BC77009  Pentagramma triangularis subsp. triangularis Ira L. Wiggins 1928-4-14 2918 San Mateo Alpine Creek Road Comment
  UC812463  Pentagramma triangularis subsp. triangularis Lewis S. Rose 1938-2-23 38082 San Mateo Woodside 152 Comment
  CAS-BOT-BC222703  Perideridia gairdneri subsp. gairdneri V. F. Hesse 1954-7-30 1344 San Mateo Near Pebble Beach 15 Comment
  JROH307  Perideridia kelloggii John H. Thomas 1962-7-15 9914 San Mateo Jasper Ridge Biological Preserve, Stanford University; near northern end of ridge Comment
  RSA430457  Perideridia kelloggii Lyman Benson 1974-02 8485 San Mateo La Honda Road 244 Comment
  JROH3249  Persicaria amphibia John Hunter Thomas 1979-9-9 19728 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Searsville Lake. Comment
  JROH3254  Persicaria amphibia M. Whitley 1990-5-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near boat ramp Comment
  UCD99467  Persicaria lapathifolia Verne Grant; Herbert L. Mason 1946-8-28 13089 San Mateo Santa Cruz - Daly City Road #5, south of San Francisco. Comment
  JROH3276  Persicaria maculosa John Hunter Thomas 1980-11-27 20196 San Mateo Jasper Ridge Biological Preserve, Stanford University. Old bathing beach area. Comment
  CAS-BOT-BC419389  Persicaria punctata W. R. Dudley 1897-10-11 s.n. San Mateo Santa Cruz Peninsula. Toward PIlar Pt. Comment
  CAS-BOT-BC419390  Persicaria punctata Ira L. Wiggins 1974-10-27 22132 San Mateo Bed of San Francisquito Creek, along line between Palo Alto and Mrnlo [Menlo] Park and between San Mateo and Santa Clara Counties, near Pope Street bridge Comment
  CAS-BOT-BC419392  Persicaria punctata Paul Reeberg 1991-8-10 s.n. San Mateo San Bruno Mountains Comment
  JROH1165  Petasites frigidus var. palmatus Paul Heiple 2007-3-5 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; NW of Leonard's Bridge along Trail 13 Comment
  UC1301150  Phacelia californica Helen K. Sharsmith 1963-2-16 5141 San Mateo lower slopes of mt. above Daly City; San Francisco Bay Region, San Bruno Mountain 106 Comment
  UC306571  Phacelia californica A. D. E. Elmer April, 1903 4855 San Mateo Crystal Springs Reservoir Comment
  POM65455  Phacelia californica A. D. E. Elmer 1903-04 4855 San Mateo Crystal Springs Lake. Comment
  SEINET5566300  Phacelia californica H. S. Gentry 1931-1 102 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  OBI48680  Phacelia distans Lewis S. Rose 1939-4-13 39065 San Mateo San Mateo Cyn near Crystal Springs lake 61 Comment
  UC881086  Phacelia divaricata Lewis S. Rose 1937-4-24 37231 San Mateo w Redwood City; Emerald Lake 106 Comment
  JEPS3114  Phacelia divaricata James G. Daly 1934-1 156 San Mateo on ridge s road to La Honda; Santa Cruz Mountains Comment
  JROH2759  Phacelia imbricata var. imbricata John Rawlings, Ann Lambrecht 2010-6-23 0931 San Mateo Jasper Ridge Biological Preserve, Stanford University. West of blue bridge on Trail 19, several yards uphill from Rd C 91 Comment
  CDA929  Phacelia malvifolia D. G. Kelch, B. G. Baldwin, Sue Bainbridge, Abigail Moore 2005-6-21 5 .367 San Mateo S.F. Water District land, near Spring Valley. NE corner Pilarcitos Lake. Comment
  RSA51310  Phacelia malvifolia Peter H. Raven 1950-4-30 1984 San Mateo Along a stream in the Montara Mountains, ca. 0.5 miles north [?] of Montara City. 91 Comment
  POM65465  Phacelia nemoralis subsp. nemoralis A. D. E. Elmer 1903-06 4419 San Mateo Crystal Springs Lake. Comment
  SD38340  Phacelia ramosissima Edith A. Purer 1933-5-27 3651 San Mateo Spring Valley Lakes. Comment
  CAS-BOT-BC258934  Phalaris aquatica Cecilia Murray 1963-7-23 s.n. San Mateo Portola Valley Comment
  JROH5373  Phalaris aquatica John Hunter Thomas 1987-5-26 24324 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA201211  Phalaris aquatica Cecilia Murray 1963-7-23 s.n. San Mateo Portola Valley Comment
  CAS-BOT-BC259003  Phalaris californica Ira L. Wiggins 1928-4-22 2943 San Mateo Moss Beach Comment
  CAS-BOT-BC259010  Phalaris californica Ned Cahill 1974-7-14 363 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  UCD37957  Phalaris californica Beecher Crampton 1962-6-11 6487 San Mateo 5 miles W of Belmont, at junction of Ralston Avenue and Skyline Boulevard, at foot of western slope of Pulgas Ridge, along eastern side of lower Crystal Springs Reservoir. Comment
  CAS-BOT-BC250643  Phalaris minor A. D. E. Elmer 1903-6-1 4427 San Mateo Crystal Springs Lake Comment
  RSA128643  Phalaris minor P. H. Raven 1950-6-3 297 San Mateo along Millbrae Ave., Millbrae. 61 Comment
  CAS-BOT-BC222503  Pholistoma auritum var. auritum Philip Wheeler 1965-6-16 s.n. San Mateo San Bruno Mountain. Gladys Canyon in Brisbane Comment
  CAS-BOT-BC171183  Phoradendron serotinum subsp. tomentosum John H. Thomas 1960-3-1 8536 San Mateo Jasper Ridge, about 5 miles SW of Palo Alto 182 Comment
  RSA132361  Phoradendron villosum John H. Thomas 1960-3-1 8536 San Mateo Jasper Ridge, about 5 miles SW of Palo Alto. 152 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
  CAS-BOT-BC142179  Physocarpus capitatus A. D. E. Elmer 1903-7-1 4804 San Mateo Portola Comment
  JROH3723  Physocarpus capitatus John H. Thomas 1975-6-5 17928 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near lowflow crossing Comment
  JROH3733  Physocarpus capitatus John Hunter Thomas 1986-5-1 23988 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low flow crossing along San Francisquito Creek Comment
  UC860427  Physocarpus capitatus Lewis S. Rose 1939-5-5 39093 San Mateo San Mateo Canyon 45 Comment
  CAS-BOT-BC206938  Pickeringia montana var. montana Volney Rattan 1882-5-1 s.n. San Mateo Belmont Comment
  JROH2199  Pickeringia montana var. montana John H. Thomas 1973-5-5 16765 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA472045  Picris echioides E. A. Purer 1933-8-13 5417 San Mateo Belmont Comment
  CAS-BOT-BC137313  Piperia elegans Peter Rubtzoff 1951-10-2 812 San Mateo Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC137319  Piperia elegans Phillip C. Wheeler 1965-5-12 s.n. San Mateo Field redacted by CAS, contact the data manager for more information Comment
  UCSC008616  Piperia transversa Randall Morgan 1989-1-1 322 -P San Mateo Jamison Creek Road Comment
  JROH2204  Pisum sativum John H. Thomas 1967-4-28 12724 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA0059036  Pityrogramma triangularis var. triangularis Lewis S. Rose 1938-2-23 38082 San Mateo Woodside. 152 Comment
  JROH1406  Plagiobothrys bracteatus John H. Thomas 1966-4-6 11553 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC228123  Plagiobothrys chorisianus E. L. Greene 1902-3-30 429 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC228136  Plagiobothrys chorisianus Dr. E Goodman 1922-5-23 s.n. San Mateo San Bruno Hills Comment
  CAS-BOT-BC228129  Plagiobothrys chorisianus Walter & Irja Knight 1965-4-26 s.n. San Mateo San Bruno Mountains. Devil's Arroyo Comment
  JROH5553  Plagiobothrys nothofulvus John Rawlings 2013-5-7 1187 San Mateo Jasper Ridge Biological Preserve, Stanford University. Old quarry off of Trail 12 110 Comment
  UC25045  Plagiobothrys nothofulvus Alice Eastwood April 1896 San Mateo Crystal Springs Comment
  HSC16818  Plantago coronopus R. E. Jones 1966-4-4 35 San Mateo Ano Nuevo Beach 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
  HSC23935  Plantago erecta Mary Katherine Wicksten 1971-8-25 214 San Mateo Huddart Park Comment
  UCD124581  Plantago lanceolata J. Doty 1969-3-26 597 San Mateo 100 yards east of the junction of State Highways 35 and 92, near summit of Coast Range. Comment
  UCD124622  Plantago maritima G. Thomas Robbins 1953-8-29 3617 San Mateo Just south of the Olympic Golf Club and the San Francisco City and County line. Comment
  UC888462  Plantago maritima var. californica Lewis S. Rose 1937-9-5 37645 San Mateo Mussel Rocks 60 Comment
  CHSC24850  Platystemon californicus B. A. Rosene 1976-4-18 5 San Mateo Ca. 2.4 km nw of entrance to Calif. State Game Refuge. 182 Comment
  CAS-BOT-BC92009  Platystemon californicus W. R. Dudley 1896-4-19 s.n. San Mateo Santa Cruz Peninsula. Above Alpine School. Black Mountain. Comment
  SD1839  Platystemon californicus U. S. Grant 1925-6-5 San Mateo Burlingame Comment
  UC1018907  Plectritis brachystemon S. C. Dyal, C. G. Nast 1938-5-4 718 San Mateo 1 mi w of San Mateo Comment
  SJSU11900  Plectritis congesta S. H. Casey 1969-4-17 230 San Mateo Colma Canyon, SW slope San Bruno Mt 121 Comment
  JEPS20199  Plectritis macrocera L. R. Abrams 1904-4-10 San Mateo on road from Woodside to Crystal Springs (Santa Cruz Mountain Peninsula); Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC260961  Pleuropogon californicus var. californicus J. I. McMurphy 1906-5-8 s.n. San Mateo Road near head of Crystal Springs Lakes by road from Woodside to Byrnes Store Comment
  CAS-BOT-BC260965  Pleuropogon californicus var. californicus George Oberlander 1950-6-3 614 San Mateo San Francisco Watershed Reserve Comment
  SEINET10611508  Pleuropogon californicus var. californicus Adolph D. E. Elmer Elmer 4848 San Mateo San Bruno Hills. Comment
  CAS-BOT-BC257691  Poa annua Peter Rubtzoff 1988-5-3 9915 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, near its crossing of the upper part of East Fork Colma Creek. Comment
  CAS-BOT-BC254544  Poa douglasii Robert Robertson 1954-5-1 128 San Mateo At back of beach N of San Gregorio Creek 6 Comment
  JROH5410  Poa howellii John Rawlings 2012-5-1 1115 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Trail 9 162 Comment
  CAS-BOT-BC247423  Poa pratensis George Oberlander 1950-5-6 880 San Mateo San Francisco Watershed Reserve. Cahill Ridge Comment
  RSA135725  Poa secunda W. R. Dudley 1900-3-18 s.n. San Mateo San Andreas Lake Comment
  RSA135779  Poa secunda W. R. Dudley 1896-4-4 s.n. San Mateo Santa Cruz Mountain Peninsula; Near Summit Springs, Kings Mt. Comment
  CAS-BOT-BC243118  Poa secunda subsp. secunda W. R. Dudley 1896-4-4 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Summit Springs, Kings Mountain Comment
  JEPS101813  Poa unilateralis Dean W. Taylor 2000-4-25 17440 San Mateo along dirt road 1 mi W of North Peak, Montara Mountain 411 Comment
  UCD92154  Poa unilateralis R. L. Pendleton 1907-4-20 616 a San Mateo Lake Merced. 91 Comment
  JROH2859  Pogogyne serpylloides John H. Thomas 1976-4-30 18104 A San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  UCD147020  Pogogyne serpylloides Robert E. Preston 2011-6-16 2865 San Mateo Santa Cruz Mtns, Oil Creek watershed, 1.8 mi NW of Waterman Gap. 268 Comment
  CAS-BOT-BC232897  Polemonium carneum A. D. E. Elmer 1903-7-1 4771 San Mateo Pilarcitos Stone Dam Comment
  JROH3220  Polygala californica John Rawlings 2007-5-30 1013 San Mateo Jasper Ridge Biological Preserve, Stanford University. Vicinity of an abandoned camper shell near a small drainage west of the switchback zone of the Escobar/Webb Ranch horse trail. 100 Comment
  POM204332  Polygala californica I. L. Wiggins 1929-7-4 3781 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  RSA120735  Polygala californica S. S. Tillett, I. Sternback 1956-6-24 531 San Mateo Middleton property, behind (N.) Portola Camp Store, just outside Portola State Park. 396 Comment
  RSA141088  Polygonum aviculare John H. Thomas 1960-6-25 8784 a San Mateo Redwood City, in vacant lot near Main and Stambaugh Streets Comment
  CAS-BOT-BC413944  Polygonum aviculare subsp. aviculare Thomas R. Mertens 1963-9-28 6 San Mateo 1-2 miles north of Santa Cruz County line on State Highway 1 Comment
  RSA14508  Polygonum convolvulus I. L. Wiggins 1935-8-24 8159 San Mateo Roadside 2 miles E of Half Moon Bay. Comment
  CAS-BOT-BC109244  Polygonum paronychia T. R. Mertens 1963-10-5 7 San Mateo Pescadero. Comment
  UC42913  Polypodium J. Burtt Davy 1893-6-22 San Mateo Pilarcitos Canyon Comment
  CAS-BOT-BC76950  Polypodium californicum Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mountain Comment
  UC931949  Polypodium scouleri Verne Grant and Alva Grant 1946-8-30 7851 San Mateo ranch 1 mi s of Daly City (on Hwy. 5) Comment
  JROH5427  Polypogon interruptus John H. Thomas 1959-8-22 8085 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along stream below dam. Comment
  JROH5430  Polypogon interruptus John H. Thomas 1962-7-15 9921 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek below dam. Comment
  SD39924  Polypogon monspeliensis Edith A. Purer 1933-7-27 5370 San Mateo Sand dunes, Pigeon Point Comment
  UC1132915  Polypogon monspeliensis G. E. Sindel 1935-5-25 306 San Mateo Mouth of Pescadero Creek; Santa Cruz Quad., mouth of Pescadero Creek 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
  CAS-BOT-BC237588  Polypogon viridis George Oberlander 1950-6-3 1028 San Mateo San Francisco Watershed Reserve. Upper Crystal Spring Lake Comment
  CAS-BOT-BC72230  Polystichum dudleyi Brannan; Kellogg 1870-5-3 s.n. San Mateo San Mateo 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
  CAS-BOT-BC76607  Polystichum munitum C. F. Baker 1902-1-15 321 San Mateo West side King's Mountain Comment
  CAS-BOT-BC166964  Polystichum munitum Peter Rubtzoff 1976-10-5 8905 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, upper part of East Fork Colma Creek Canyon. Comment
  CAS-BOT-BC384614  Polystichum munitum M. K. Wicksten 1991-7-8 s.n. San Mateo Huddart PRK Comment
  CAS-BOT-BC76611  Polystichum munitum Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain - Quarry 3 Comment
  RSA0016813  Polystichum munitum B. J. Hoshizaki 1991-10-4 91 -4 [A] San Mateo Along road between Yerba Buena Nursery and Langly Hill Quarry. Woodside Ranch, 19500 Skyline Blvd., Redwood City. Comment
  RSA189827  Polystichum munitum Delzie Demaree 1932-2-14 8922 San Mateo Kings Mountain. P.O. San Carlos. Comment
  CAS-BOT-BC105563  Populus trichocarpa Eric Walther 1919-2-23 s.n. San Mateo Woodside Comment
  UCSB18690  Populus trichocarpa Schulte, John 1963-4-9 San Mateo 3 miles southwest of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 121 Comment
  UCSB271  Potamogeton amplifolius McPherson, D. 1960-8-1 San Mateo Ventura Comment
Read comments 2
  CAS-BOT-BC267166  Potamogeton foliosus Ira L. Wiggins 1935-8-24 8159 A San Mateo In reservoir about 2 miles E of Half Moon Bay Comment
  CAS-BOT-BC453735  Potamogeton illinoensis Peter C. Ting, Jr. 1939-8-28 s.n. San Mateo Lake Pilarcitos Comment
  CAS-BOT-BC453835  Potamogeton nodosus L. R. Abrams; I. L. Wiggins 1939-6-3 435 San Mateo Ano Nuevo Point Comment
  UC430  Potamogeton pectinatus J. Burtt Davy Jun 21 1893-Jun 23 1893 1131 San Mateo Pilarcitos Lake and Canyon Pilarcitos Lake Comment
  CAS-BOT-BC454010  Potamogeton pectinatus Ira L. Wiggins 1935-6-29 8051 San Mateo Pescadero Creek, about 1 mile west of Pescadero Comment
  CAS-BOT-BC454050  Potamogeton pusillus subsp. pusillus W. R. Dudley 1909-10-10 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Club House, Crystal Springs Reservoir Comment
  POM203299  Potentilla hickmanii E. C. Satlife 1933-11-10 s.n. San Mateo Moss Beach Comment
  SEINET12054259  Prosartes hookeri Cummings, McCallum, G. A. 1933-1 s.n. San Mateo along Stevens Creek Comment
  CAS-BOT-BC517396  Prosartes smithii Ira L. Wiggins 1925-4-1 1677 San Mateo First bridge across small creek on Kings Mountain Road above Woodside Comment
  CDA40755  Prunella vulgaris subsp. vulgaris Villegas & France 1972-8-7 PDR # 37028 San Mateo 415 Cypress Avenue, Millbrae. 0 Comment
  UC1124441  Prunella vulgaris var. lanceolata N. K. Carlson 1935-6-28 97 San Mateo 1 mi e Pigeon Pt.; Santa Cruz Quad. Comment
  POM209848  Prunella vulgaris var. lanceolata D. D. Keck 1934-7-7 2935 San Mateo South of the mouth of Tunitas Creek, on slopes overlooking ocean. Comment
  UC12750  Prunus emarginata J. Burtt Davy 1895-4-20 1041 San Mateo San Mateo Creek Comment
  CAS-BOT-BC154498  Prunus ilicifolia George Oberlander 1949-8-20 388 San Mateo Sweeney Ridge Comment
  CAS-BOT-BC154503  Prunus ilicifolia Phillip Wheeler 1965-6-7 s.n. San Mateo Between Owls Canyon and Buckeye Canyon Comment
  CAS-BOT-BC154658  Prunus subcordata W. R. Dudley 1903-4-10 s.n. San Mateo N. of Dominico's Canyon E. of Searsville Reservoir Comment
  SBBG33470  Prunus subcordata A. D. E. Elmer -Apr-1903 San Mateo Portola Comment
  RSA681426  Prunus virginiana var. demissa Annuschka Deb, Lori Hubbart 1989-5-10 208 San Mateo Santa Cruz Mtns. Skyline Blvd S of Yerba Buena Nursery (YBN) Comment
  RSA112470  Prunus virginiana var. demissa James I. McMurphy 1906-4-28 16 San Mateo Corte de Madera Creek. Santa Cruz Mtns. Comment
Read comments Dec 13 2015
  CAS-BOT-BC356471  Pseudognaphalium beneolens Josephine D. Randall 1907-7-28 76 San Mateo Santa Cruz Peninsula. Black Mt. Road near Iverson's 335 Comment
  CAS-BOT-BC356475  Pseudognaphalium beneolens George Oberlander 1949-7-30 336 San Mateo San Francisco Watershed Reserve. Sweeney Ridge Comment
  JROH755  Pseudognaphalium californicum John H. Thomas 1961-6-7 9534 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH756  Pseudognaphalium californicum John H. Thomas 1962-7-15 9926 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below dam Comment
  JROH759  Pseudognaphalium californicum John H. Thomas 1971-5-30 15971 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC357117  Pseudognaphalium luteoalbum John H. Thomas 1976-5-2 12804 San Mateo San Bruno Mountain. About 1/4 mile up Market St. from new school in canyon 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-BC357133  Pseudognaphalium luteoalbum Ira L. Wiggins 1973-6-24 22027 San Mateo Gravelly bed of San Francisquito Creek, about 60 m above Pope Street bridge, along line between Santa Clara and San Mateo Counties Comment
  JROH777  Pseudognaphalium luteoalbum John H. Thomas 1974-10-29 17649 San Mateo Jasper Ridge Biological Preserve, Stanford University; Small peninsula created by drainage channel cut to accomodate water from Corte Madera Cr. Comment
  UCD135090  Pseudognaphalium luteoalbum J. D. Skoss 1948-7-25 44 San Mateo Montara. Comment
  SD27905  Pseudognaphalium microcephalum Carl B. Wolf 1927-8-13 715 San Mateo Woodside. Comment
  SDSU3737  Pseudognaphalium microcephalum D. F. Howe 1964-8-13 3958 San Mateo Near ocean on #1; near San Francisco Co. line. 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
  UC575670  Pseudognaphalium ramosissimum Lewis S. Rose 1935-8-13 35568 San Mateo Salada 30 Comment
  SD39789  Pseudognaphalium stramineum Edith A. Purer 1933-7-27 5359 San Mateo Pigeon Point Comment
  CAS-BOT-BC361564  Pseudognaphalium stramineum W. R. Dudley 1895-2-9 s.n. San Mateo Santa Cruz Mountain Peninsula. Arroyo de los Frijoles Comment
  NY63952  Pseudotsuga menziesii var. menziesii A. D. E. Elmer 04 1903 4562 San Mateo King's Mountain Comment
  JROH1180  Psilocarphus tenellus John H. Thomas 1963-5-12 10087 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1187  Psilocarphus tenellus John Hunter Thomas 1980-5-8 19948 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1188  Psilocarphus tenellus John Hunter Thomas 1983-4-14 21406 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR143149  Psilocarphus tenellus var. tenellus L. S. Rose 1933-5-3 33140 San Mateo Montara 305 Comment
  CAS-BOT-BC421314  Pterostegia drymarioides W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Peninsula. By grade south slope Montara Mts. Comment
  JROH3289  Pterostegia drymarioides John H. Thomas 1976-4-19 18082 San Mateo Jasper Ridge Biological Preserve, Stanford University. Knoll to west of dam. Comment
  CDA36720  Puccinellia maritima Michael Perlmutter 2011-6-15 San Mateo Burlingame, Sanchez Marsh. 0 Comment
  CDA28814  Pyrola picta D. G. Kelch 2009-6-9 9 .405 San Mateo Santa Cruz Mts.; Chert outcrop and adjacent mixed evergreen forest along Skyline Blvd ~1 km W of Skegg s Point. Comment
  CAS-BOT-BC104281  Quercus X morehus G. Ward 1941-4-12 s.n. San Mateo Sant Bruno Hills Comment
  UC762364  Quercus X morehus R. F. Hoover 1941-2-12 4764 San Mateo nw of Saratoga Summit Comment
  CAS-BOT-BC104278  Quercus X morehus W. R. Dudley 1910-5-8 s.n. San Mateo Santa Cruz Mountain Peninsula, In a hollow W of the ridge road S of Muchados on the top of the Santa Cruz Mt., Marin Divide 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-BC61706  Quercus agrifolia Elizabeth McClintock; Walter Knight; Irja Knight 1964-9-11 s.n. San Mateo Point San Bruno. On bluff near shoreline, San Bruno Mountain Comment
  CAS-BOT-BC61711  Quercus agrifolia George Oberlander 1949-10-8 397 San Mateo Sawyer Ridge Comment
  CAS-BOT-BC61712  Quercus agrifolia Ned Cahill 1974-4-30 237 San Mateo near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  HSC23978  Quercus agrifolia Mary Katherine Wicksten 1971-8-20 135 San Mateo Huddart Park, Oak Area Comment
  UC565407  Quercus agrifolia Chas. M. Belshaw 1936-1-25 1457 San Mateo 2.8 mi w Woodside (Kings Mountain road); South Coast Range Comment
  UCD45070  Quercus agrifolia Stephen K. Langer 1991-3-16 s.n. San Mateo California, San Mateo Co.; San Bruno Mountains, Buckeye Canyon. Comment
  SEINET10962205  Quercus agrifolia Lewis S. Rose 1964-1 Rose 64012 San Mateo Emerald Lake, w. of Redwood City hills. 122 Comment
  CAS-BOT-BC62309  Quercus chrysolepis William R. Dudley 1893-11-1 s.n. San Mateo Santa Cruz Mts., Bear Gulch road Comment
  JROH2472  Quercus douglasii John H. Thomas 1977-4-28 18566 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5804  Quercus douglasii John Rawlings, Bill Gomez 2016-7-28 1911 B San Mateo Jasper Ridge Biological Preserve, Stanford University; north side Rd F in blue oak woodland west of serpentine prairie 182 Comment
  POM270122  Quercus douglasii Lyman Benson 1932-8-1 4033 San Mateo Stanford University. 122 Comment
  CAS-BOT-BC105386  Quercus kelloggii W. R. Dudley 1901-3-16 s.n. San Mateo Santa Cruz Mountain Peninsula, near Los Trancos Creek Comment
  CAS-BOT-BC105398  Quercus kelloggii Ira L. Wiggins 1925-4-1 1664 San Mateo On Kings Mountain Road three fourths of a mile above Woodside in the old cut over redwood (S. sempervirens) belt. Comment
  JROH2501  Quercus kelloggii John H. Thomas 1959-4-5 7664 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2502  Quercus kelloggii John H. Thomas 1971-8-7 16017 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM223170  Quercus kelloggii S. S. Berry 1909-3-13 s.n. San Mateo Road below Woodside. 91 Comment
  POM270203  Quercus kelloggii Lyman Benson 1930-5-3 2116 San Mateo La Honda Grade, above Woodside, Santa Cruz mt. range, San Francisco Bay watershed. 457 Comment
  SEINET262925  Quercus kelloggii R. A. Kocher 1908-3-28 e 7 San Mateo Santa Cruz Mountain Peninsula road to Kings Mountain from Woodside 366 Comment
  JROH2524  Quercus lobata John Hunter Thomas 1979-9-9 19733 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD47154  Quercus parvula var. shrevei John M. Tucker 1994-9-9 s.n. San Mateo Huddart Park on NE facing slope nr. Miwok Shelter. 365 Comment
  CAS-BOT-BC134777  Quercus wislizeni Arthur Menzies 1962-2-25 s.n. San Mateo San Bruno Mt. Comment
  CAS-BOT-BC134784  Quercus wislizeni W. R. Dudley 1898-1-1 s.n. San Mateo Santa Cruz Peninsula. On hill above little Butano Creek Comment
  CDA29062  Quercus wislizeni D. G. Kelch 2009-6-9 9 .398 San Mateo Santa Cruz Mts.; Chert outcrop and adjacent mixed evergreen forest along Skyline Blvd ~1 km W of Skegg s Point. Comment
  CAS-BOT-BC362546  Rafinesquia californica Fred Hemphill 1973-5-14 822 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  JROH1200  Rafinesquia californica John H. Thomas 1966-4-29 11587 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC9380  Ranunculus aquatilis var. capillaceus J. Burtt Davy Jun 21 1893-Jun 23 1893 1130 San Mateo Pilarcitos Lake and Canyon Comment
  RSA15338  Ranunculus californicus Carl B. Wolf 1927-2-5 149 San Mateo Pilarcitos Lake Comment
  UC9411  Ranunculus californicus J. Burtt Davy 1895-4-20 1014 San Mateo Millbrae Comment
  JROH3469  Ranunculus californicus Duncan M. Porter 1960-4-9 620 San Mateo Jasper Ridge Biological Preserve, Stanford University. Meadow near crest of NE facing slope above Webb Ranch Comment
  POM268178  Ranunculus californicus Lyman Benson 1930-5-3 2101 San Mateo Santa Cruz Mt. 244 Comment
  POM268417  Ranunculus californicus Lyman Benson 1935-3-10 6256 San Mateo San Gregorio. Pacific Ocean 61 Comment
  RSA399415  Ranunculus californicus J. Doty 1969-3-26 600 San Mateo 100 yards E of jct Hwy 35 and 92, near summit of Caost Range, San Francisco Peninsula. Comment
  JEPS127797  Ranunculus californicus var. californicus Adam C. Schneider with C. Matt Guilliams 2013-4-7 68 San Mateo Along dirt road running parallel to overhead power transmission lines. Comment
  CAS-BOT-BC378526  Ranunculus californicus var. californicus Elizabeth McClintock 1972-4-23 s.n. San Mateo San Bruno Mountain, grassy slope above Fern Rock Comment
  CAS-BOT-BC378527  Ranunculus californicus var. californicus R. S. Woglum 1935-5-25 1156 San Mateo San Francisco area, Skyline Drive Comment
  CAS-BOT-BC378539  Ranunculus californicus var. californicus John H. Thomas 1971-5-2 15828 San Mateo serpentine fields bordered by chaparral, near intersection of Canada and Edgewater roads, about 4 mi SW of center of Redwood City 305 Comment
  CAS-BOT-BC378543  Ranunculus californicus var. californicus J. H. Thomas 1954-4-25 3994 San Mateo near intersection of Stanford and Mayfield Avenues in open field which is occasionally plowed; Stanford University campus Comment
  RSA120769  Ranunculus californicus var. cuneatus S. S. Tillett, I. Sternback 1956-6-24 537 San Mateo Middleton property, behind (N.) Portola Camp Store, just outside Portola State Park. 396 Comment
  JROH3478  Ranunculus hebecarpus John H. Thomas 1971-4-25 15788 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3484  Ranunculus hebecarpus John Hunter Thomas 1981-4-21 20457 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM269868  Ranunculus lobbii W. R. Dudley 1904-4-22 s.n. San Mateo Corte Madera Creek along New Grade Road Comment
  UCR49694  Ranunculus lobbii J. J. McMurphy 1906-5-8 s.n. San Mateo Santa Cruz Mountain Peninsula. Pond near Head of Crystal (?) Springs Lakes 85 Comment
  JROH3500  Ranunculus muricatus John Hunter Thomas 1987-5-7 24262 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3499  Ranunculus muricatus John Hunter Thomas 1985-4-10 23513 San Mateo Jasper Ridge Biological Preserve, Stanford University. Grassy areas, east of low flow crossing. Comment
  UC827645  Ranunculus orthorhynchus var. bloomeri Lewis S. Rose 1937-4-30 37241 San Mateo Brisbane 6 Comment
  POM177526  Ranunculus orthorhynchus var. bloomeri L. R. Abrams 1909-4-27 s.n. San Mateo marsh land betw Woodside and Crystal Lake Comment
  UCD20153  Ranunculus trilobus Phil Greer 2002-4-17 s.n. San Mateo Hwy 101, in Half Moon Bay. Comment
  CAS-BOT-BC74339  Raphanus sativus Lous F. Pitelka 1973-4-30 s.n. San Mateo Bolsa Point, about 1 mile north of Pigeon Point and about 39 miles south of San Francisco. Comment
  JROH1576  Raphanus sativus John H. Thomas 1969-6-4 15106 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  OBI27163  Raphanus sativus Laura Wells 1970-2-1 8 San Mateo Half Moon Bay about 14 mi W of San Mateo Comment
  OBI37072  Raphanus sativus M. J. Erwin 1983-11-11 18 San Mateo Around Daggett residence, 100 yds W of Old Canada Rd, within property limits of Filoli Center, Canada Rd, Woodside Comment
  SEINET3292738 Image available Rhamnus californica Craig Davis 1960-11-24 D- 132 San Mateo Montara Mountain 335 Comment
  UC592790  Rhamnus californica unknown 1927-12-31 1473 San Mateo 0.5 way up Kings Mt. Comment
  CAS-BOT-BC55892  Rhamnus crocea Carl B. Wolf 1927-8-7 717 San Mateo At Schenkel's Camp back of Stanford University Campus. Los Trancos Creek Comment
  JROH3561  Rhamnus crocea John H. Thomas 1964-4-19 10311 A San Mateo Jasper Ridge Biological Preserve, Stanford University. Dry open slope below dam Comment
  POM282946  Rhamnus crocea Lyman Benson 1937-7-25 8473 San Mateo Lake Searsville; Mt. range: Santa Cruz; Drainage area: San Francisco Bay. 122 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-BC56672  Rhododendron occidentale W. R. Dudley 1895-6-6 s.n. San Mateo Near Iverson's on Upper Pescadero Creek Comment
  CAS-BOT-BC92492  Ribes aureum var. gracillimum Margaret A. Barry 1938-4-21 241 San Mateo By Los Trancos Creek near Coal Mine Ridge. Comment
  JEPS49330  Ribes californicum W. L. Jepson 1922-3-19 9540 San Mateo Lake San Andreas Comment
  JROH2642  Ribes californicum var. californicum John H. Thomas 1968-3-17 14178 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2653  Ribes divaricatum var. pubiflorum John Hunter Thomas 1983-4-21 21644 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along causeway. Comment
  JROH2663  Ribes malvaceum var. malvaceum John H. Thomas 1968-2-11 14146 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC212814  Ribes menziesii William Russel Dudley 1894-4-1 s.n. San Mateo Above St. Dennis Church, Searsville Comment
  JEPS121700  Ribes menziesii var. menziesii Stella Yang 2013-5-10 San Mateo Los Troncos Open Space Preserve, Franciscan Loop Trail at Los Troncos Creek crossing Comment
  UC75089  Ribes sanguineum C. F. Baker 1902-4-4 441 San Mateo Crystal Springs Lake Comment
  SEINET13942784 Image available Ribes sanguineum Lewis S. Rose 1955-1 55041 San Mateo Kings Mountain, alt 2000 ft 610 Comment
  CAS-BOT-BC144634  Ribes sanguineum var. glutinosum Le Roy Abrams 1901-2-1 1113 San Mateo Portola - Redwood Canyon [Canon] Comment
  JROH2681  Ribes sanguineum var. glutinosum John Hunter Thomas 1982-11-6 21216 San Mateo Jasper Ridge Biological Preserve, Stanford University. On causeway. Comment
  UC75091  Ribes sanguineum var. glutinosum C. F. Baker 1902-1-15 241 San Mateo w side Kings Mountain Comment
  CAS-BOT-BC144644  Ribes sanguineum var. glutinosum Reed C. Rollins 1941-3-16 2945 San Mateo dry ravine, west slope of the Santa Cruz Mts., about 35 miles south of San Francisco Comment
  RSA0019102  Ribes sanguineum var. glutinosum Carl B. Wolf 1927-2-26 227 San Mateo Halfway up the La Honda Grade. Comment
  CAS-BOT-BC168726  Ribes victoris Eric Walther 1919-8-1 s.n. San Mateo Woodside Comment
  CAS-BOT-BC168727  Ribes victoris Eric Walther 1919-6-9 s.n. San Mateo Woodside Comment
  CAS-BOT-BC6127  Romanzoffia suksdorfii Charles Fuller Baker 1902-4-6 463 San Mateo Crystal Springs Lake Comment
  UC1736041  Romulea rosea var. australis Dean W. Taylor 1995-3-14 14751 San Mateo Buri Buri Ridge; west of Hillsborough; west of Skyline Blvd.; San Francisco Fish & Game Refuge, San Francisco Water Department lands 152 Comment
  CAS-BOT-BC147634  Rosa californica J. I. McMurphy 1906-4-30 64 San Mateo Woodside, Santa Cruz Mts. Comment
  CAS-BOT-BC146701  Rosa gymnocarpa John H. Thomas 1961-5-7 9284 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CHSC42087  Rosa gymnocarpa Rusti Gammon 1986-3-30 17 San Mateo Ca. 8.1 mi sw of Saratoga. 4.1 mi w off hwy 9. Ca. 5 yds e up hillside. 569 Comment
  RSA112449  Rosa gymnocarpa W. R. Dudley 1906-5-8 65 San Mateo Near Crystal Springs Lake. Santa Cruz Mtns. Santa Cruz peninsula. 91 Comment
  JROH2869  Rosmarinus officinalis Diane Renshaw, Ann Lambrecht 2011-6-21 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; N of Westridge fence near Escobar Rd. turnaround Comment
  CAS-BOT-BC152838  Rubus parviflorus Alice Eastwood; John Thomas Howell 1939-7-9 7438 San Mateo Kings Mt. Comment
  JROH3772  Rubus parviflorus John H. Thomas 1973-5-5 16763 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU8648  Rubus spectabilis H. E. Kuhlmann 1979-4-9 351 San Mateo 1-2 mi inland from Hwy 1 on Gazos Cr Rd between Butano State Park & the coast 45 Comment
  CAS-BOT-BC157068  Rubus ursinus J. H. Thomas 1949-4-17 296 San Mateo Along bank of San Francisquito Creek near University Ave. and Newell Rd., Palo Alto Comment
  CAS-BOT-BC157078  Rubus ursinus L. R. Abrams 1914-10-14 5132 San Mateo Tunitas [Canon] Canyon Comment
  CAS-BOT-BC157094  Rubus ursinus W. R. Dudley 1895-9-15 s.n. San Mateo [El Corte de Madera] Corte Madera Creek, Lumber Camp Comment
  CAS-BOT-BC157106  Rubus ursinus Alice Eastwood; John Thomas Howell 1938-6-26 6055 San Mateo Near Pescadero Comment
  RSA3892  Rubus ursinus I. L. Wiggins 1929-7-4 3775 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  SBBG50777  Rubus ursinus R. E. Dengler 1960-4-14 34 San Mateo Jasper Ridge, Stanford Biological Reserve 121 Comment
  POM139627  Rubus vitifolius A. D. E. Elmer 1903-06 4664 San Mateo Crystal Springs Lake. Comment
  JROH3294  Rumex acetosella John Hunter Thomas 1981-5-19 20603 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1084377  Rumex acetosella G. Thomas Robbins 1937-4-11 74 San Mateo just s San Francisco (along Skyline Boulevard) Comment
  UCD101053  Rumex acetosella Robert A. Norris 1984-5-9 4728 San Mateo Olivet Memorial Park Throughway, Colma. Comment
  CAS-BOT-BC421802  Rumex conglomeratus L. R. Abrams 1927-6-15 s.n. San Mateo South San Francisco Comment
  CAS-BOT-BC421819  Rumex conglomeratus A. D. E. Elmer 1903-6-1 4276 San Mateo San Mateo Comment
  CAS-BOT-BC433363  Rumex crispus W. R. Dudley 1893-6-6 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Cedro Cottage, Stanford University Comment
  CAS-BOT-BC433543  Rumex fueginus Ira L. Wiggins 1935-6-29 8049 San Mateo Near mouth of Pescadero Creek, 2 miles west of Pescadero Comment
  CAS-BOT-BC433708  Rumex occidentalis W. R. Dudley 1894-5-1 s.n. San Mateo Santa Cruz Peninsula. Near San Mateo. Comment
  CAS-BOT-BC433749  Rumex persicarioides Ira L. Wiggins 1929-8-24 3870 San Mateo Moss Beach Comment
  CAS-BOT-BC433827  Rumex pulcher Margaret A. Barry 1938-6-22 s.n. San Mateo Slope on Coal Mine Ridge Comment
  CAS-BOT-BC433999  Rumex salicifolius David D. Keck 1934-7-7 2968 San Mateo Pigeon Point Comment
  JROH3313  Rumex salicifolius John Hunter Thomas 1977-6-16 18787 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS39879  Rumex salicifolius var. crassus unknown 1925-5-28 15 San Mateo Salada Comment
  UC175931  Rumex salicifolius var. crassus W. A. Setchell 1913-10-19 San Mateo Farallone City Comment
  CAS-BOT-BC434133  Rumex transitorius Goodman 1918-7-23 s.n. San Mateo San Pedro Valley Comment
  JROH2211  Rupertia physodes John H. Thomas 1971-5-30 15955 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD27758  Rupertia physodes Carl B. Wolf 1927-5-31 414 San Mateo North end of Searsville Lake. Comment
  POM348838  Rupertia physodes E. S. Spalding 1928-8-3 s.n. San Mateo Pulgas Tunnel east side. Comment
  CAS-BOT-BC239847  Rytidosperma penicillatum Bert Johnson 1989-3-17 s.n. San Mateo San Bruno Mountains. Randolph Ravine Comment
  JROH1719  Sagina apetala D. E. Breedlove 1971-5-5 19324 San Mateo Jasper Ridge Biological Preserve, Stanford University; on bluff above San Francisquito Creek, 500 yards below Searsville Dam Comment
  SEINET11941059  Salicornia depressa Unknown 1933-1 10460 San Mateo Shanty Town, near Belmont, San Fransisco Bay Comment
  SEINET6901955  Salicornia virginica Robert A. Evers, Clara V. Evers 1975-8-24 115026 San Mateo Trailer Villa, Redwood City. Comment
  CAS-BOT-BC103342  Salix bonplandiana W. R. Dudley 1894-4-21 s.n. San Mateo By bridge above San Mateo Comment
  CAS-BOT-BC104050  Salix hindsiana Lewis S. Rose 1965-3-8 65003 San Mateo Searsville Lake 121 Comment
  CAS-BOT-BC125380  Salix lasiandra var. lasiandra J. Ed. McClellan; Bonnie McClellan 1976-4-1 s.n. San Mateo Princeton Comment
  JROH3871  Salix lasiandra var. lasiandra John H. Thomas 1968-5-17 14177 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC107131  Salix lasiolepis C. R. Ball; G. W. Hendry 1931-2-22 14 San Mateo San Gregorio, near sea level - in arroyo near San Gregorio Creek, 100 m. from ocean Comment
  CAS-BOT-BC107135  Salix lasiolepis Walther 1919-2-23 s.n. San Mateo Woodside Comment
  CAS-BOT-BC107141  Salix lasiolepis L. R. Abrams 1915-3-13 5161 San Mateo Near junction of San Francisquito and Los Trancos Creeks, about 2 miles from Stanford University Comment
  CAS-BOT-BC124481  Salix lasiolepis var. lasiolepis Elizabeth McClintock 1965-3-28 s.n. San Mateo Devil's Arroyo Comment
  CAS-BOT-BC124485  Salix lasiolepis var. lasiolepis Josephine D. Randall 1906-3-18 360 San Mateo San Francisquito Creek near Stanford University Comment
  POM176878  Salix scouleriana W. R. Dudley 1903-5-1 s.n. San Mateo From Peters Creek above Iverson's into Old Mill. Comment
  CAS-BOT-BC126494  Salix sitchensis L. S. Rose 1932-1-23 3217 San Mateo Arroyos, Moss Beach Comment
  UC75015  Salix sitchensis unknown 1902-3 San Mateo King's Mt. Comment
  CDA20077  Salsola soda W. Shek 2002-10-29 PDR 065875 San Mateo San Francisco Bay Area; Rangeland at 3517 Haven Ave, Menlo Park. 2 Comment
  CAS-BOT-BC180793  Salsola soda John H. Thomas 1968-12-7 14860 San Mateo Western end of Dumbarton Bridge Comment
  POM62858  Salvia columbariae Edward L. Greene 1902-4-6 s.n. San Mateo Crystal Springs Lake, San Mateo County. Comment
  JROH2870  Salvia columbariae D. D. Davis 1903-4-5 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Ridge north slope Comment
  RSA681667  Salvia mellifera Annuschka Deb 1989-4-14 101 San Mateo YBN Demonstration Garden Comment
  UC1327249  Salvia spathacea John T. Doyen 1966-3-28 32 San Mateo San Bruno Mountains; near Radio Towers at top Comment
  SJSU11396  Salvia spathacea G. I. Tourtlotte 1968-5-19 San Mateo S side of Guadalupe Canyon, San Bruno Mt Comment
  CAS-BOT-BC290601  Sambucus Peter Rubtzoff 1987-8-26 9840 San Mateo San Bruno Mountain, Saddle area on N side of Guadalupe Canyon. Parkway west of Radio Road junction; northwestern part of the area along old Guadalupe Road. Upper part of East Fork Colma Creek Canyon. Comment
  JROH1671  Sambucus nigra subsp. caerulea John H. Thomas 1973-6-15 16853 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC204143  Sambucus racemosa var. racemosa A. D. E. Elmer June, 1903 5080 San Mateo Butano Creek Comment
  CHSC37342  Sanicula arctopoides J. F. Esperance; P. S. Worthing 1982-3-6 San Mateo Top of San Bruno Mt., 1/2 mi s of parking lot on the ridge top. 304 Comment
  JROH325  Sanicula bipinnatifida John Hunter Thomas 1977-4-28 18561 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH326  Sanicula bipinnatifida John Hunter Thomas 1991-5-2 25018 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC539830  Sanicula crassicaulis Fred Hemphill 1973-4-22 826 San Mateo San Carlos, area N of Malabar Rd. and Melendy Dr. 243 Comment
  JROH344  Sanicula crassicaulis John Hunter Thomas 1986-5-1 23996 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR280165  Sanicula crassicaulis Peter Rubtzoff 1977-4-14 8938 San Mateo San Francisco Bay Region, San Bruno Mountains, 'saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road Junction 220 Comment
  CAS-BOT-BC166810  Sanicula crassicaulis Peter Rubtzoff 1976-6-30 8712 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  RSA784607  Sanicula crassicaulis Peter Rubtzoff 1976-6-30 8712 San Mateo San Bruno Mountains: Saddle area on N side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  CAS-BOT-BC166661  Satureja douglasii Peter Rubtzoff 1977-6-21 9064 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  UCR121589  Satureja douglasii George K. Helmkamp, E. A. Helmkamp 1999-6-28 4974 San Mateo Pescadero Creek Watershed, Pescadero Road just north of Loma Mar 107 Comment
  CAS-BOT-BC111607  Schoenoplectus californicus W. Knight; I. Knight 1966-10-4 2050 San Mateo Marsh near Bayshore, P. G. & E. Marsh Comment
  CAS-BOT-BC111780  Schoenoplectus pungens Peter Rubtzoff; Elizabeth McClintock; P. Reeberg 1989-6-3 s.n. San Mateo At mouth of drainage culvert, PG&E marsh. 1 Comment
  CAS-BOT-BC111782  Schoenoplectus pungens var. badius Ira L. Wiggins 1920-4-27 1982 San Mateo Sand dunes, Ano Nuevo Pt. 7 Comment
  SD37482  Schoenoplectus pungens var. badius Edith A. Purer 1933-7-27 5391 San Mateo Moist place in the sand dunes, 2 miles south of Pigeon Point. Comment
  UC1100791  Scirpus californicus Malcolm A. Nobs, S. Galen Smith 1949-8-25 1567 San Mateo s of Rockaway Beach Comment
  CAS-BOT-BC519000  Scoliopus bigelovii J. H. Thomas 1949-3-29 194 San Mateo Kings Mountain Comment
  CAS-BOT-BC519002  Scoliopus bigelovii Elmer I. Applegate 1895-3-9 737 San Mateo Above Woodside Comment
  CAS-BOT-BC519013  Scoliopus bigelovii Lewis S. Rose 1964-2-6 64000 San Mateo Kings Mountain 609 Comment
  CAS-BOT-BC519019  Scoliopus bigelovii Alice Eastwood 1933-4-30 s. n. San Mateo Lake Pilarcitos Comment
  JEPS62100  Scoliopus bigelovii Elsa Kraeger 1926-2-21 San Mateo n. La Honda Comment
  POM193870  Scoliopus bigelovii Le Roy Abrams 1904-3-7 s.n. San Mateo Bear Gulch. Santa Cruz Mountain Peninsula. Comment
  SEINET12050509  Scoliopus bigelovii F. H. Utech 1988-1 88 -040 San Mateo 2.6 mi from junction of Kings Mt. Road & CA 35 on former enroute to Woodside 350 Comment
  UC454434  Scoliopus bigelovii Manton Feb. 1906 San Mateo Comment
  RSA187282  Scrophularia californica John H. Thomas 1965-4-29 10603 San Mateo San Bruno Mountain in northern part of county. 305 Comment
  CDA41914  Scrophularia californica T. C. Fuller 1971-6-1 19883 San Mateo East shore of Crystal Springs Reservoir at junction of Highways 280 and 92. 0 Comment
  POM128330  Scrophularia californica R. L. Pendleton 1907-4-20 602 San Mateo Lake Merced. 30 Comment
  CAS-BOT-BC59055  Sedum spathulifolium A. D. E. Elmer 1903-6-1 4550 San Mateo Toward San Mateo from Crystal Springs Lake Comment
  CAS-BOT-BC59063  Sedum spathulifolium J. H. Thomas 1961-5-7 9320 San Mateo San Bruno Mountain in N part of county. 396 Comment
  JROH1895  Sedum spathulifolium John H. Thomas 1971-4-25 15782 San Mateo Jasper Ridge Biological Preserve, Stanford University 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-BC59051  Sedum spathulifolium Phillip C. Wheeler 1965-7-8 s.n. San Mateo Canyon adjacent to quarry, San Bruno Mountain Comment
  JROH1896  Sedum spathulifolium H. J. Dengler 1972-5-31 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; north side of Searsville Rocks Comment
  CAS-BOT-BC327388  Senecio aphanactis Fred Hemphill 1973-4-22 798 San Mateo North of Malabar Road adn Melendy Drive, San Carlos 207 Comment
  CAS-BOT-BC363403  Senecio aronicoides George Oberlander 1950-5-28 994 San Mateo San Francisco Watershed Reserve. Cahill Ridge Comment
  RSA0013330  Senecio aronicoides A. D. E. Elmer 1903-05 4508 San Mateo San Bruno Hills. Comment
  RSA132965  Senecio mikanioides John H. Thomas 1958-12-18 7509 San Mateo Along Skyline Blvd. just west of San Bruno. Comment
  JROH687  Senecio minimus Toni Corelli 2008-3-9 345 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 13, south of Leonard's Bridge 106 Comment
  CAS-BOT-BC364633  Senecio vulgaris Fred Hemphill 1973-4-8 625 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC364639  Senecio vulgaris Elizabeth McClintock 1964-4-17 s.n. San Mateo San Bruno Mountain. At top of mountain Comment
  CAS-BOT-BC80290  Sequoia sempervirens Ira L. Wiggins 1925-4-1 1659 San Mateo On Kings Mountain Road three fourths of a mile above Woodside Comment
  NY804119  Sequoia sempervirens C. R. Broome 1978-7-2 2224 San Mateo Kings Mountain Road, 1.5 miles West of its junction with California Highway 84. Comment
  RSA181221  Sequoia sempervirens John H. Thomas 1964-11-29 10542 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles SW of Palo Alto; along San Francisquito Creek below dam. Comment
  POM193077  Sequoia sempervirens W. R. Dudley 1902-12-1 s.n. San Mateo Santa Cruz Peninsula: Trail from Iverson s to Bull Spring Comment
  SEINET10612340  Sequoia sempervirens Charles F. Baker 1902-1-15 Baker 319 San Mateo West side King's Mountain. The redwood of the Coast Range. Plants of the Pacific Coast. Spermaphytes and Ferns. Distributed by C.F. Baker. Comment
  SEINET8057876 Image available Sequoia sempervirens M. E. Springer 1946-1 735 San Mateo Skyline Blvd. near La Honda Comment
  JROH5464  Setaria viridis John Rawlings 2005-9-28 1008 San Mateo Jasper Ridge Biological Preserve, Stanford University. Corte Madera Creek. 110 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
  SBBG30046  Sidalcea diploscypha L. S. Rose 1948-5-16 San Mateo Emerald Lake, hills W of Redwood City 152 Comment
  UC204266  Sidalcea malviflora subsp. laciniata A. D. E. Elmer May 1903 4637 San Mateo San Bruno Hills Comment
  OBI48733  Sidalcea malviflora subsp. laciniata S. Bagley 1969-3-28 s.n. San Mateo Near the San Francisco Game Refuge 145 Comment
  UC1327248  Sidalcea malviflora subsp. malviflora John T. Doyen 1966-3-28 29 San Mateo near Radio Towers at top (San Bruno Mountain); , near Radio Towers at top Comment
  UC189013  Sidalcea malviflora subsp. malviflora E. L. Greene 1887-6-11 San Mateo Comment
  RSA18377  Silene californica C. B. Wolf 1927-7-1 531 San Mateo Above Emerald Lake, back of Redwood City. Comment
  UC8421  Silene californica J. Burtt Davy Jun 21 1893-Jun 23 1893 1158 San Mateo Pilarcitos Lake and Canyon Comment
  POM286433  Silene gallica Lyman Benson 1930-4-6 2040 San Mateo Moss Beach. West slope. 15 Comment
  JROH1739  Silene gallica John Hunter Thomas 1983-4-28 21775 San Mateo Jasper Ridge Biological Preserve, Stanford University; at low-flow crossing Comment
  JROH1740  Silene gallica John Hunter Thomas 1986-4-24 23978 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Escobar Gate Comment
  POM286434  Silene gallica Lyman Benson 1931-4-26 2762 San Mateo Behind Stanford U., Brookside Park, Santa Cruz mtn range. 244 Comment
  UCD98646  Silene gallica W. A. Harvey; J. M. Tucker 1948-6-28 1696 San Mateo 3 miles north of Pescadero. 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
  RSA477822  Silene scouleri Glenn A. Gorelick 1967-5-12 s.d. San Mateo San Bruno Mts; overlooking Daly City near San Francisco. Comment
  CAS-BOT-BC389894  Silene scouleri subsp. scouleri C. F. Leitholt 1894-7-29 s.n. San Mateo Santa Cruz Mountain Peninsula. Pescadero Comment
  JEPS59180  Silybum marianum James G. Daly 1934-1 461 San Mateo San Gregorio watershed , San Gregorio watershed (Santa Cruz Mts.) Comment
  CAS-BOT-BC75351  Sisymbrium officinale Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo San Bruno Mountains. Crocker Hills. Comment
  CAS-BOT-BC75378  Sisymbrium orientale Walter Knight; Irja Knight 1965-4-11 s.n. San Mateo San Bruno Mountains. Guadalupe Road about 0.5 mile from Radio Road. Comment
  IRVC9060  Sisyrinchium bellum P. W. Rundel 1963-6-11 1129 San Mateo San Fransisco Bay drainage area; Old La Honda Road. Santa Cruz Mountain Range 305 Comment
  RSA26886  Sisyrinchium bellum R. C. Rollins 1941-3-22 2948 San Mateo 1 mile north of Belmont Comment
  UCD138851  Sisyrinchium bellum R. S. Woglum 1935-5-24 1154 San Mateo San Francisco area, Skyline Drive south to Big Basin. Comment
  UC844167  Smilacina racemosa Lewis S. Rose 1941-3-12 41025 San Mateo Skyline Blvd. w San Bruno 152 Comment
  RSA202897  Solanum americanum G. Ledyard Stebbins, E. L. Paddock 1939-8-17 61 San Mateo San Gregornio. Comment
Read comments Oct 11 2021
  SJSU7787  Solanum americanum C. A. Staicer 1976-9-25 San Mateo San Francisquito Cr near El Camino Real, Menlo Park Comment
  UC1125189  Solanum douglasii H. S. Yates 1935-2-3 5007 San Mateo 1/2 mi se of Pigeon Point 30 Comment
  JEPS12100  Solanum furcatum W. L. Jepson 1923-10-15 10256 San Mateo hills w of colma ( vicinity of San Francisco Bay) Comment
  RSA152273  Solanum furcatum John H. Thomas 1961-5-7 9302 San Mateo San Bruno Mountain, in northern part of county. 305 Comment
  UCD126847  Solanum furcatum John H. Thomas 1961-5-7 9302 San Mateo San Bruno Mountain in northern part of county. 304 Comment
  HSC21333  Solanum furcatum G. L. Stebbins, E. L. Paddock 1939-8-17 57 San Mateo Mussel Rock Comment
  UCD165016  Solanum furcatum Peter Rubtzoff 1974-12-17 7941 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  CAS-BOT-BC58477  Solanum umbelliferum N. Cahill 1975-1-18 395 San Mateo Near the intersection of Canada and Edgewood Rds, about 3 mi westward from Redwood City. Comment
  JROH4184  Solanum umbelliferum Daniel Cohen 1953-4-11 22 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA523369  Solanum umbelliferum G. H. True 1936-4-5 385 San Mateo Canyon near coast between San Gregorio and Pescadero. 30 Comment
  SEINET5571956  Solanum umbelliferum H. S. Gentry 1931-1 19 San Mateo Collected 1.5 miles W of San Mateo, Half-Moon Bay Road. Comment
  UC1537406  Solanum umbelliferum Gordon H. True Jr. 1936-4-5 385 San Mateo between San Gregorio Pescadero (near coast) 30 Comment
  LA203952  Solidago elongata Lewis B. Rose; 1931-9-19 San Mateo Kings Mt Comment
  JEPS89408  Solidago spathulata Dean W. Taylor 1990-8-30 11535 San Mateo Santa Cruz Mountains, San Bruno Mountain, along the access road on the main ridge 50 feet to the e of locked gate at e end of parking lot near radio tower area San Bruno Mountain; Santa Cruz Mountains, San Bruno Mountain Comment
  CAS-BOT-BC365193  Solidago velutina subsp. californica Josephine D. Randall 1907-7-4 96 San Mateo Santa Cruz Peninsula. Mill's Lake Comment
  CAS-BOT-BC365929  Soliva sessilis John H. Thomas 1961-5-7 9262 San Mateo San Bruno Mountain in northern part of county 396 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
  CAS-BOT-BC365937  Soliva sessilis Ira L. Wiggins 1950-5-20 12352 San Mateo Pescadero Beach Comment
  JROH1252  Soliva sessilis John Hunter Thomas 1989-5-9 24709 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC374498  Sonchus asper J. H. Thomas 1949-4-14 286 San Mateo Kings Mountain Comment
  CAS-BOT-BC374696  Sonchus oleraceus Ira L. Wiggins 1979-8-26 22247 San Mateo Alley between Central and Woodland Avenues, running from Pope to Gilbert Streets, Menlo Park Comment
  CAS-BOT-BC374703  Sonchus oleraceus Josephine D. Randall 1907-4-27 99 San Mateo Santa Cruz Peninsula. Kings Mt. Comment
  CAS-BOT-BC374709  Sonchus oleraceus Elizabeth McClintock 1963-3-14 s.n. San Mateo San Bruno Mountain. South Power Line Ridge Comment
  JROH1261  Sonchus oleraceus John H. Thomas 1970-7-5 15656 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSB17217  Sonchus oleraceus Schulte, John 1963-4-26 San Mateo Jasper Ridge, 3 miles southwest of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  RSA177000  Sparganium erectum subsp. stoloniferum John H. Thomas 1964-6-3 10412 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  RSA17933  Sparganium erectum subsp. stoloniferum Carl B. Wolf, Le Roy Abrams 1927-6-10 s.n. San Mateo Searsville Lake. Comment
  RSA407381  Sparganium erectum subsp. stoloniferum Lyman Benson 1931-5-29 2811 San Mateo Santa Cruz Mt. range, Lake Searsville River. 244 Comment
  JROH1747  Spergula arvensis John Hunter Thomas 1983-4-5 21325 San Mateo Jasper Ridge Biological Preserve, Stanford University; low flow crossing Comment
  JROH1748  Spergula arvensis John Hunter Thomas 1985-4-10 23512 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low flow crossing Comment
  JROH1756  Spergularia John Hunter Thomas 1978-4-25 19155 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC390202  Spergularia bocconi G. B. Rossbach; R. P. Rossbach 1939-5-12 726 San Mateo San Pedro Point Comment
  CAS-BOT-BC390465  Spergularia macrotheca var. macrotheca Ira L. Wiggins 1938-7-9 8932 San Mateo Cliffs near Pigeon Point light house Comment
  CAS-BOT-BC390471  Spergularia macrotheca var. macrotheca G. B. Rossbach; R. P. Rossbach 1940-6-20 738 San Mateo 1 mile south of Montara Point Comment
  CAS-BOT-BC390475  Spergularia macrotheca var. macrotheca G. B. Rossbach; R. P. Rossbach 1937-11-25 608 San Mateo 3 mi. south of Half Moon Bay Comment
  CAS-BOT-BC390546  Spergularia media S. D. Halsey 1908-10-1 s.n. San Mateo Redwood City Comment
  CAS-BOT-BC390547  Spergularia media S. D. Halsey 1908-10-1 s.n. San Mateo Redwood City Comment
  CAS-BOT-BC390702  Spergularia rubra Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain. Base of Quarry 2 Comment
  CAS-BOT-BC173602  Spiranthes romanzoffiana Peter Rubtzoff 1979-7-26 9294 San Mateo Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC173613  Spiranthes romanzoffiana Peter Rubtzoff 1978-8-17 9258 San Mateo Field redacted by CAS, contact the data manager for more information 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
  CAS-BOT-BC220977  Stachys B. Carlson 1981-5-10 042 San Mateo Dead end of Native Sons road, off Pescadero Road 152 Comment
  RSA582109  Stachys ajugoides L. S. Rose 1936-5-23 s.n. San Mateo E. of Crystal Springs Lake. 152 Comment
  SD38742  Stachys ajugoides var. ajugoides Edith A. Purer 1933-8-13 5425 San Mateo Santa Clara Valley, near Belmont. Comment
  CHSC27765  Stachys bullata Jan M. Karaz 1978-3-22 15 San Mateo Canada College. 1/4 mi from Canada Rd. w on the ridge. 2 mi past intersection of Hwy 280 and Canada Rd. 18 Comment
  JROH2899  Stachys bullata John H. Thomas 1971-5-30 15977 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  SBBG55038  Stachys bullata C. Taylor 1971-7-11 209 San Mateo Skyline Blvd near La Honda Rd, Santa Cruz Mtns 445 Comment
  UCD126015  Stachys bullata J. D. Skoss 1948-8-22 97 San Mateo San Vicente Canyon, near Montara. Comment
  NY415794  Stachys quercetorum A. A. Heller 1907-5-28 8577 San Mateo Above Crystal Springs on the Half Moon Bay road Comment
  UCSB16391  Stachys rigida Schulte, John 1963-4-13 San Mateo Jasper Ridge; 3 mi SW of Stanford Campus; betweeen Santa Clara Valley and main front of Santa Cruz Mountains 137 Comment
  RSA785892  Stachys rigida subsp. quercetorum Peter Rubtzoff 1977-6-21 9063 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. East Fork Colma Creek Canyon, near upper rim. Comment
  JEPS127878  Stachys rigida var. quercetorum Adam C. Schneider with C. Matt Guilliams and Will Freyman 2013-6-24 298 San Mateo Crystal Springs Reservoir Comment
  CAS-BOT-BC394056  Stellaria media John H. Thomas 1963-5-20 10125 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz. Comment
  CAS-BOT-BC394064  Stellaria media C. F. Baker 1902-4-1 492 San Mateo Foothills near Stanford University; Pacific Coast Comment
  UCSC007784  Stellaria media Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  JROH1788  Stellaria nitens John H. Thomas 1958-2-15 6993 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC375912  Stephanomeria virgata Margaret A. Barry 1937-7-17 200 San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC375909  Stephanomeria virgata L. R. Abrams 1902-9-28 3002 San Mateo Sta [Santa] Cruz Mts Comment
  CAS-BOT-BC375910  Stephanomeria virgata Josephine D. Randall 1907-11-9 s.n. San Mateo Santa Cruz Peninsula. Alpine Road to Black Mt. Comment
  RSA18514  Stephanomeria virgata C. B. Wolf 1927-7-14 606 San Mateo Summit of Kings Mountain Rd. Comment
  JROH5322  Stipa lepida John H. Thomas 1967-5-31 12944 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5331  Stipa pulchra Duncan M. Porter 1960-4-22 664 San Mateo Jasper Ridge Biological Preserve, Stanford University. Meadow near crest of N-facing slope above Webb Ranch. Comment
  JROH5332  Stipa pulchra Duncan M. Porter 1960-5-5 685 San Mateo Jasper Ridge Biological Preserve, Stanford University. Meadow near crest of N-facing slope above Webb Ranch. Comment
  UCSB272  Stuckenia pectinata McPherson, D. 1960-8-1 San Mateo Felt Lake, Stanford University foothills Comment
  CAS-BOT-BC271641  Symphoricarpos albus var. laevigatus J. I. McMurphy 1906-5-8 75 San Mateo Woodside, Santa Cruz Mts., Santa Cruz Mountain Peninsula 152 Comment
  CAS-BOT-BC271645  Symphoricarpos albus var. laevigatus Margaret A. Barry 1937-5-23 152 San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC237060  Symphoricarpos mollis Ned Cahill 1974-5-13 274 San Mateo Near the intersection of Canada and Edgewood Roads, about 3 mi. westward from Redwood City Comment
  CAS-BOT-BC237062  Symphoricarpos mollis W. R. Dudley 1899-5-24 s.n. San Mateo Near Redwood City, Santa Cruz Mountain Peninsula Comment
  SBBG32397  Symphyotrichum chilense L. S. Rose 1966-8-15 66083 San Mateo Pillar Pt 1 Comment
  UC892754  Symphyotrichum chilense Lewis S. Rose 1933-10-14 33381 San Mateo Visitacion Valley, (dry hills) Vistacion Valley Comment
  SEINET5540436  Symphyotrichum chilense H. S. Gentry 1931-1 75 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  UC1927817  Symphyotrichum subspicatum David Keil 1988-11-19 21201 San Mateo Highway 1, south of Half Moon Bay Comment
  CAS-BOT-BC376710  Tanacetum bipinnatum Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountain. Radio Road Comment
  SJSU15440  Tanacetum parthenium Toni Corelli 2011-8-31 717 San Mateo Pescadero State Beach and Marsh Natural Preserve, Round Hill Trail at the end of Water Lane Road 5 Comment
  CAS-BOT-BC376917  Taraxacum officinale J. H. Thomas 1964-4-30 10337 San Mateo Near intersection of El Camino Real and F St., Colma Comment
  SEINET4142897  Taraxia ovata James Tanno 1972-4-29 160 San Mateo Pillar Point near Princeton.; 0 6 Comment
  UC874110  Taraxia ovata Lewis S. Rose 1941-4-15 41137 San Mateo hills w Millbrae 91 Comment
  UCSB11442  Taraxia ovata Olson, Jim 1962-4-17 San Mateo 1 mile east of Halfmoon Bay; on road to San Mateo 15 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
  JROH367  Tauschia hartwegii H. J. Dengler 1972-4-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; on slope about 100 feet above the east margin of Searsville Lake, and 300 feet south of the dam Comment
  RSA18325  Tellima grandiflora Carl B. Wolf 1929-5-10 3710 San Mateo La Honda. Santa Cruz Mts. Comment
  UCR56173  Tellima grandiflora Ray Langham 1966-4-3 135 San Mateo [NW] of La Honda, King's Grove [apparently vicin. of Tunitas Creek Rd., Mitchell Creek drainage] 229 Comment
  CAS-BOT-BC447471  Tellima grandiflora D. Keck 1964-5-30 1772 San Mateo Three miles west of Kings Mountain, on the road to Tuniatas, west slope of Santa Cruz Mountains 450 Comment
  CAS-BOT-BC447475  Tellima grandiflora John H. Thomas 1967-5-7 12836 San Mateo Near intersections of Bean Hollow and Pescadero roads, about 1/2 mile westward from Pescadero 91 Comment
  RSA195668  Tellima grandiflora John H. Thomas 1967-5-7 12836 San Mateo Near intersections of Bean Hollow and Pescadero roads, about 0.5 mile westward from Pescadero. 61 Comment
  CAS-BOT-BC438265  Tetragonia tetragonoides J. H. Thomas 1959-7-8 8015 San Mateo At Pescadero Beach. Comment
  RSA176540  Tetragonia tetragonoides John H. Thomas 1963-8-4 10239 San Mateo Just north of Pigeon Point Lighthouse Comment
  UC634944  Thalictrum fendleri H. L. Mason 1927-4-23 3680 San Mateo summit of road between La Honda and Pescadero Creek Comment
  CAS-BOT-BC399851  Thalictrum polycarpum C. F. Baker 1902-5-1 692 San Mateo Crystal Springs Lake Comment
  SEINET3153451  Thymus vulgaris Unknown 1870-4-10 sn San Mateo Mr. Saulmann's garden at San Mateo Comment
  CAS-BOT-BC66663  Thysanocarpus curvipes John H. Thomas 1971-4-3 15745 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  CAS-BOT-BC66664  Thysanocarpus curvipes John H. Thomas 1971-4-3 15745 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  CAS-BOT-BC66671  Thysanocarpus curvipes John H. Thomas 1974-5-3 17244 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  CAS-BOT-BC66672  Thysanocarpus curvipes John H. Thomas 1975-4-5 17715 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  CAS-BOT-BC66675  Thysanocarpus curvipes John H. Thomas 1978-5-2 19530 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  JROH1589  Thysanocarpus curvipes John Hunter Thomas 1980-4-5 19859 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1613  Thysanocarpus curvipes John Hunter Thomas 1987-4-7 24171 San Mateo Jasper Ridge Biological Preserve, Stanford University; below Searsville Dam Comment
  CAS-BOT-BC66655  Thysanocarpus curvipes H. J. Dengler 1972-4-30 s.n. San Mateo Unspecified. Comment
  CAS-BOT-BC66682  Thysanocarpus curvipes George Oberlander 1949-4-22 688 San Mateo San Francisco Watershed Reserve. On Northern Cahill Ridge. Comment
  JROH1609  Thysanocarpus curvipes John Hunter Thomas 1986-5-1 23993 San Mateo Jasper Ridge Biological Preserve, Stanford University; near old gate and fence (which has now been removed) Comment
  JROH5697  Thysanocarpus curvipes subsp. elegans John Rawlings 2015-3-31 1418 San Mateo Jasper Ridge Biological Preserve, Stanford University. Northwest side of small drainage upstream from the footbridge on Trail 11. 134 Comment
  SD27906  Tiarella trifoliata var. unifoliata L. A. Waitzinger 1927-8-14 San Mateo Islam Camp, near La Honda, Santa Cruz Mts. Comment
  UCSB17162  Toxicodendron diversilobum Schulte, John 1963-4-23 San Mateo Jasper Ridge, 3 miles southwest of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 137 Comment
  JROH4759  Toxicoscordion fremontii John H. Thomas 1977-4-8 18522 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA681673  Trichostema lanatum Deb Annuschka 1990-11-16 388 San Mateo Yerba Buena Herbarium. Comment
  SD39136  Trientalis europaea var. latifolia Edith A. Purer 1933-5-16 3603 San Mateo Alpine Road Comment
  CDA34451  Trientalis latifolia M. Beyers, Z. Bakman, L. Feely, & D. Sozanni 2011-4-4 870 San Mateo Pacifica: San Pedro Valley County Park, along Brooks Creek Trail. 148 Comment
  RSA116717  Trientalis latifolia E. W. Rust 1907-4-13 s.n. San Mateo Los Traucos Creek. Comment
  SD227822  Trifolium G. K. Helmkamp, E. A. Helmkamp 1998-5-16 3744 San Mateo Portola Valley: Golden Hills Rd along Los Trancos Creek. 106 Comment
  UCSC010359  Trifolium Dylan M. Neubauer 2016-5-19 690 San Mateo (SnFrB) Santa Cruz Mountains, headwaters of Waterman Creek, w of Hwy 9 423 Comment
  RSA178681  Trifolium albopurpureum John H. Thomas 1964-4-19 10319 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Near Searsville Lake. Comment
  UC725851  Trifolium albopurpureum var. albopurpureum A. A. Heller 1907-5-23 8554 San Mateo back of San Mateo (on Half Moon Bay Rd) Comment
  UC16490  Trifolium albopurpureum var. dichotomum Alice Eastwood May 1896 San Mateo Crystal Springs Comment
  SEINET881659 Image available Trifolium bicephalum A. D. E. Elmer 1903-1 4812 San Mateo San Pedro. Comment
  POM18837  Trifolium bifidum C. F. Baker 743 San Mateo Woodside Comment
  RSA633305  Trifolium bifidum Michael A. Vincent, Ethan H. Freid, Karl Vincent 1998-4-9 8201 San Mateo Along east side of Canada Road, ca. 200 yards southeast of its junction with Edgewood Road, just southwest of I-280, at Filoli Center. Comment
  UC137795  Trifolium bifidum var. bifidum C. F. Baker 1902-5-4 743 San Mateo Woodside Comment
  RSA14963  Trifolium bifidum var. decipiens L. S. Rose 1935-5-1 35134 San Mateo Redwood City Comment
  RSA131348  Trifolium depauperatum var. amplectens John H. Thomas 1955-5-6 4990 San Mateo Jasper Ridge about 3.5 miles southwest of Stanford University. 152 Comment
  JROH2273  Trifolium depauperatum var. truncatum John H. Thomas 1974-4-25 17205 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge Comment
  JROH2231  Trifolium dichotomum John H. Thomas 1966-4-22 11574 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM216312  Trifolium fucatum var. fucatum D. D. Keck 1933-5-11 2295 San Mateo Montara Light House and Radio Station. Comment
  SJSU15217  Trifolium glomeratum Toni Corelli 2010-5-5 625 San Mateo Ano Nuevo State Park, Cascade Field 9 Comment
  SJSU15442  Trifolium glomeratum Toni Corelli 2010-5-13 602 San Mateo Pedro Point Headlands, Pacifica, CA, disturbed area along South Ridge Trail, west of Hwy. 1 100 Comment
  JROH2316  Trifolium gracilentum John H. Thomas 1971-4-24 15776 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2315  Trifolium gracilentum Ynez Henderson 1920-4-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lake Comment
  SJSU659  Trifolium grayi J. E. Hagerty 1950-5-20 San Mateo Pescadero Comment
  JROH2335  Trifolium hirtum John Hunter Thomas 1992-4-4 25128 San Mateo Jasper Ridge Biological Preserve, Stanford University; near dam Comment
  JROH2336  Trifolium hybridum John Hunter Thomas 1983-6-2 22326 San Mateo Jasper Ridge Biological Preserve, Stanford University; near the low-flow crossing Comment
  POM20503  Trifolium microdon A. D. E. Elmer 1903-06 4628 San Mateo Portola. Comment
  UCD109276  Trifolium oliganthum R. Tofsrud 1952-1 2 San Mateo Near Foster. Comment
  JROH2344  Trifolium repens John H. Thomas 1974-10-29 17645 San Mateo Jasper Ridge Biological Preserve, Stanford University; small peninsula created by drainage channel cut to accommodate water from Corte Madera Cr. Comment
  UCSC008441  Trifolium suffocatum Randall Morgan 2013-5-24 5529 San Mateo About 100 feet up the trail from parking area, Bean Hollow State Beach Comment
  JROH2378  Trifolium variegatum John H. Thomas 1961-4-29 9183 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2384  Trifolium variegatum John H. Thomas 1974-4-25 17203 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge Comment
  POM20412  Trifolium variegatum var. melananthum A. D. E. Elmer 1903-05 4685 San Mateo Portola. Comment
  UC867026  Trifolium variegatum var. melananthum Lewis S. Rose 1937-5-2 37251 San Mateo Burlingame hills 91 Comment
  JROH2399  Trifolium willdenovii John H. Thomas 1968-4-19 14297 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2413  Trifolium willdenovii John Hunter Thomas 1988-5-3 24446 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM18875  Trifolium willdenovii C. F. Baker 1903-4-8 3011 San Mateo San Andreas Lake Comment
  POM277649  Trifolium willdenovii Lyman D. Benson 1930-5-3 2095 San Mateo Roadside on La Honda Grade. Above Woodside. Santa Cruz Mtn range. 305 Comment
  UC1130146  Trifolium willdenovii H. S. Yates 1935-5-8 5202 San Mateo 2 mi n Langley Hill; Santa Cruz Quad. 579 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
  UC311114  Trifolium wormskioldii A. D. E. Elmer April, 1903 4858 San Mateo Lake San Andreas Comment
  UCSC007785  Trifolium wormskioldii Becky Hendricks 2012-6-22 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC401045  Trillium J. Lovelle 1926-8-1 39 San Mateo Mt. Ellen Trail Comment
  JROH4725  Trillium chloropetalum John H. Thomas 1972-4-1 16047 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4726  Trillium chloropetalum John H. Thomas 1973-5-5 16759 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC101806  Trillium chloropetalum Kjirsten A. Wayman, Brett Hall, Jim West 2012-3-23 303 San Mateo Gazos Creek Road, between Hwy 1 and Cloverdale Rd. N 37.17445 W 122.35336 3 Comment
  SEINET5577479  Trillium chloropetalum H. S. Gentry 1931-1 1 San Mateo Collected 1.5 miles west of San Mateo, Half-moon Bay road. Comment
  CAS-BOT-BC521005  Trillium chloropetalum var. chloropetalum Ned Cahill 1974-5-13 247 San Mateo Chaparrel near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City 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
  POM290752  Trillium chloropetalum var. giganteum Lyman Benson 1929-3-2 989 San Mateo Hill above Lake Searsville. Comment
  CAS-BOT-BC521067  Trillium chloropetalum var. giganteum Phillip C. Wheeler 1965-6-20 s.n. San Mateo San Bruno Mountain: Trillium Gulch near Knife Rock Comment
  CAS-BOT-BC521202  Trillium chloropetalum var. giganteum W. R. Dudley 1901-3-16 s.n. San Mateo Santa Cruz Peninsula: Los Trancos Creek Comment
  SEINET8502272  Trillium ovatum R. L. Oliver 1976-4-18 s.n. San Mateo San Mateo Memorial Park, La Honda. Comment
  SD39139  Trillium rivale Edith A. Purer 1933-4-18 3621 San Mateo No further locality information given on label on specimen sheet. Comment
Read comments Nov 11 2010
  SD39140  Trillium sessile Edith A. Purer 1933-4-18 3619 San Mateo No further locality information given on label on specimen sheet. Comment
  UC1327237  Triphysaria eriantha subsp. eriantha John T. Doyen 1966-3-28 36 San Mateo San Bruno Mountain; near Radio Towers on top Comment
  CAS-BOT-BC238553  Triphysaria floribunda Vincent Jones 1921-4-1 s.n. San Mateo San Bruno hills Comment
  CAS-BOT-BC238559  Triphysaria floribunda John Thomas Howell 1933-5-26 11346 San Mateo Crystal Springs Lake Comment
  JROH4135  Triphysaria pusilla John H. Thomas 1966-4-6 11549 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4136  Triphysaria pusilla John H. Thomas 1966-4-22 11572 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
  UC1063255  Triphysaria pusilla H. S. Yates 1935-5-8 5208 San Mateo 2 mi n Langley Hill; Santa Cruz Quad. Comment
  JROH4736  Triteleia hyacinthina John H. Thomas 1963-5-12 10082 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC635229  Triteleia hyacinthina Margaret Stason 1924-5-18 San Mateo Jasper Ridge Sandhill Road Comment
Read comments Sep 19 2011
  CAS-BOT-BC521592  Triteleia hyacinthina George Oberlander 1950-5-6 932 San Mateo Baker Meadow, northwest San Andreas Lake Comment
  SEINET182864 Image available Triteleia hyacinthina John Campbell 1925-4-12 San Mateo Burlingame Comment
  SD39087  Triteleia ixioides subsp. ixioides Marie Cummings 1933-5-23 116 San Mateo La Honda. Comment
  CAS-BOT-BC523095  Triteleia ixioides subsp. ixioides W. R. Dudley 1894-5-1 s.n. San Mateo Santa Cruz Peninsula, from Woodside to Crystal Springs Lake Comment
  CAS-BOT-BC526102  Triteleia ixioides subsp. ixioides Josephine D. Randall 1907-6-8 233 San Mateo Santa Cruz Peninsula, Portola Valley Comment
  POM196555  Triteleia ixioides subsp. ixioides W. R. Dudley 1894-5-3 s.n. San Mateo Santa Cruz Peninsula, near San Carlos Comment
  JROH4744  Triteleia laxa John H. Thomas 1963-5-12 10080 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC526787  Triteleia laxa George Oberlander 1950-5-6 892 San Mateo Under Douglas Fir, Cahill Ridge Comment
  CAS-BOT-BC74059  Turritis glabra Elizabeth McClintock; Paul Reeberg 1988-3-15 s.n. San Mateo San Bruno Mountain. Near Ranger Station (Nike Base). Comment
  UC1241795  Typha Malcolm A. Nobs and S. Galen Smith 1949-8-25 1555 San Mateo Sharp Park; marshes Comment
  POM204316  Typha angustifolia I. L. Wiggins 1929-7-4 3803 San Mateo Marsh near Pescadero Beach. Comment
  RSA17882  Typha latifolia Carl B. Wolf 1927-6-10 s.n. San Mateo Searsville Lake. Comment
  POM282152  Typha latifolia Lyman Benson 1931-5-29 2809 San Mateo Santa Cruz Mt. Range, Lake Searsville, upper end of lake. 244 Comment
  SBBG103948  Ulex europaeus D. Pendleton 1993-10-28 San Mateo San Bruno Mtn Park, 0.3 mi E of the park gate/parking lot on Guadalupe Cyn Parkway Comment
  JROH4222  Ulmus minor John Hunter Thomas 1987-4-30 24214 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC91226  Umbellularia californica Elizabeth McClintock 1969-3-9 s.n. San Mateo San Bruno Mountains. In Gladys Canyon, south of Brisbane. Comment
  CAS-BOT-BC91227  Umbellularia californica Ned Cahill 1974-4-30 234 San Mateo Near the intersection of Canada and Edgewater roads, about 3 miles westward from Redwood City. Comment
  JROH137  Umbellularia californica John H. Thomas 1968-2-11 14143 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
  UCR2995  Umbellularia californica Wm. Horn Jr. 1963-4-9 630409- 01 San Mateo San Francisco Bay region, Hillsborough, 2240 Redington Rd. 30 Comment
  CAS-BOT-BC382763  Uropappus lindleyi Ned Cahill 1974-5-18 294 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JROH1292  Uropappus lindleyi John Hunter Thomas 1986-5-6 24013 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET12026865  Urtica dioica Unknown 1932-1 9154 San Mateo Sky Line Drive Comment
  CAS-BOT-BC404025  Urtica dioica subsp. holosericea Le Roy Abrams 1901-9-1 2218 San Mateo Menlo Park Comment
  CAS-BOT-BC412535  Urtica urens John H. Thomas 1967-2-9 12405 San Mateo Half Moon Bay. Near Mills St. and Purissima St. Comment
  CAS-BOT-BC199179  Vaccinium cespitosum Elizabeth McClintock; Arthur Menzies 1963-2-16 s.n. San Mateo Near radio station on San Bruno Mountain, Kamchatka Point Comment
  CAS-BOT-BC199347  Vaccinium ovatum David D. Keck 1933-5-11 2302 San Mateo Montara Summit, Montara Mountain Comment
  CAS-BOT-BC199353  Vaccinium ovatum W. R. Dudley 1893-1-20 s.n. San Mateo Near La Honda Comment
  CAS-BOT-BC199359  Vaccinium ovatum L. R. A. 1902-3-16 2281 San Mateo King's [Kings] Mountain Comment
  POM132203  Vaccinium ovatum A. D. E. Elmer 1903-04 4561 San Mateo Kings Mountain. Comment
  RSA152267  Vaccinium ovatum John H. Thomas 1961-5-7 9298 San Mateo San Bruno Mountain in northern part of county. 305 Comment
  RSA681683  Vaccinium ovatum Annuschka Deb 1989-3-17 50 San Mateo Woodside. Comment
  RSA681684  Vaccinium ovatum Annuschka Deb 1989-3-31 63 San Mateo Woodside. Comment
  SD38449  Vaccinium ovatum M. C. 1933-5-23 3683 San Mateo Skyline Boulevard. Comment
  UC141803  Vaccinium ovatum C. F. Baker 1902-1-15 242 San Mateo w side Kings Mountain 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-BC199470  Vaccinium parvifolium H. L. Mason 1921-1-1 s.n. San Mateo Pescadero Creek 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
  POM177507  Vancouveria planipetala W. R. Dudley 1895-6-6 s.n. San Mateo By road in Redwoods this side of Iverson s near Peter s 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
  SD38891  Verbena lasiostachys Cummings, Mc Callum 1933-5-24 3726 San Mateo Open Hills in Spring Valley Comment
  CDA40703  Verbena lasiostachys var. lasiostachys C. M. Sill 1961-7-1 s.n. San Mateo Laurel School, Menlo Park. 0 Comment
  JROH4273  Verbena lasiostachys var. scabrida John H. Thomas 1968-5-22 14463 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of lake Comment
  UC770046  Verbena lasiostachys var. scabrida L. W. Reinecke 1939-6-13 San Mateo field by Saphire St Redwood City Comment
  RSA14507  Veronica americana I. L. Wiggins 1935-8-24 8162 San Mateo Marshy creek entering bay at Moss Beach. Comment
  SJSU15772  Vicia benghalensis Toni Corelli 2010-6-1 635 San Mateo Wavecrest, west of Highway 1 in Half Moon Bay. 24 Comment
  SFV4291  Vicia sativa 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
  JROH2433  Vicia sativa subsp. nigra John H. Thomas 1965-4-10 10559 San Mateo Jasper Ridge Biological Preserve, Stanford University; near west end of Searsville Dam Comment
  SFV8403  Vinca major P. Kuehn 1967-5-7 15 San Mateo Skyline Blvd, 8 miles from Half Moon Bay. 610 Comment
  CAS-BOT-BC264039  Viola adunca Ira L. Wiggins 1931-2-21 5091 a San Mateo Near the beach, Pescadero Beach Comment
  CAS-BOT-BC264043  Viola adunca Catherine A. Toschi 1963-3-17 63 :70 San Mateo San Bruno Mountain. NE slope below radio station Comment
  CAS-BOT-BC264049  Viola adunca Robert Robertson 1954-5-1 121 San Mateo At Pebble Beach 9 Comment
  UC19259  Viola adunca Ivar Tidestrom 1894-3-24 San Mateo Comment
  CAS-BOT-BC264033  Viola adunca W. R. Dudley 1900-3-17 s.n. San Mateo S of Montara Mountains Comment
  SEINET6176297  Viola adunca Lewis S. Rose 1951-3-7 5100 San Mateo San Bruno Hills.; 0 244 Comment
  RSA130984  Viola glabella M. N. paulson 1915-4-10 s.n. San Mateo Kings Mountain. Comment
  CAS-BOT-BC536829  Viola glabella Brandegee no date on label s.n. San Mateo San Gregorio Redwoods Comment
  JEPS50384  Viola glabella James G. Davy 1934-1 226 San Mateo Watershed of San Gregorio Creek; Santa Cruz Mountains, La Honda, Watershed of San Gregorio Cr Comment
  RSA130981  Viola ocellata H. L. Mason 1917-3-8 66 San Mateo Kings Mtn. Comment
  RSA101046  Viola ocellata G. Oberlander 1949-7-30 353 San Mateo On Cahill Ridge, San Francisco Watershed Reserve. Comment
  SEINET204884 Image available Viola ocellata W. D. McLellan 1954-5-17 58 San Mateo Memorial Park near Pescadero Comment
  POM128419  Viola pedunculata L. R. Abrams 1902-4-13 2328 San Mateo San Andreas Lake. Comment
  SJSU7493  Viola pedunculata Lewis S. Rose 1968-3-26 68010 San Mateo S base San Bruno Mt, S San Francisco 30 Comment
  POM128418  Viola sempervirens L. R. Abrams 1902-6-7 2260 San Mateo King's Mountain. Comment
  UC581490  Viola sempervirens Lucile Roush March 1928 San Mateo Butano Creek; Santa Cruz Mountains, Butano Creek Comment
  UCR168513  Viola sempervirens David D. Keck 1932-3-6 1398 San Mateo Santa Cruz Mountains, La Honda Rd., 1 mile SE of Skyline Blvd. 274 Comment
  POM286649  Viola sempervirens Lyman D. Benson 1935-3-10 6252 San Mateo La Honda Grade. Santa Cruz mtn range, Pacific Ocean watershed. 518 Comment
  POM292708  Vulpia Lyman Benson 1952-7-20 15023 San Mateo Menlo Park. San Francisco Bay drainage area. 30 Comment
  CAS-BOT-BC199854  Vulpia bromoides Louis F. Pitelka 1973-4-30 s.n. San Mateo Bolsa Point, about 1 mi N of Pigeon Point and about 39 mi S of San Francisco Comment
  CAS-BOT-BC184042  Vulpia microstachys var. microstachys John H. Thomas 1971-5-2 15798 San Mateo Near intersection of Canada Road and Edgewater Road, about three miles westward from Redwood City 152 Comment
  CAS-BOT-BC185766  Vulpia myuros subsp. megalura Fred Hemphill 1973-4-22 799 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC185767  Vulpia myuros subsp. megalura Fred Hemphill 1973-4-22 831 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment