Search Results — 2000 specimen records retrieved (1366 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/consortium/).
 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
  UCD39013  Abronia latifolia Beecher Crampton 1962-6-11 6509 San Mateo Pacifica, Sharp Park at Mori's Point. Comment
  CAS-BOT-BC383898  Abronia latifolia W. R. Dudley 1896-11-15 s.n. San Mateo Santa Cruz Peninsula. Spanish town Comment
  JEPS30400  Acaena pinnatifida var. californica James B. Roof, Irja Knight 1963-4-24 San Mateo w. end of San Bruno Mt. (slopes above Colma Canyon, Daly City); Daly City, San Bruno Mt. Comment
  UC14110  Acaena pinnatifida var. californica E. L. Drew Apr. 1888 San Mateo San Pedro Ranch Comment
  CAS-BOT-BC451122  Acaena pinnatifida var. californica W. R. Dudley 1901-5-11 s.n. San Mateo Near Millbrae; Santa Cruz Peninsula Comment
  CAS-BOT-BC451127  Acaena pinnatifida var. californica Elizabeth McClintock 1965-3-28 s.n. San Mateo At Flower Garden adjacent to April Brook; San Bruno Mountains Comment
  CAS-BOT-BC451130  Acaena pinnatifida var. californica Elizabeth McClintock; Carlyn Halde 1967-5-14 s.n. San Mateo East facing slope below parking lot; San Bruno Mountains Comment
  RSA171123  Acaena pinnatifida var. californica Robert F. Thorne, Percy C. Everett 1963-6-9 32233 San Mateo On top of San Bruno Mountain on Kamchatka Point near the TV tower. 335 Comment
  CAS-BOT-BC219606  Acanthomintha duttonii D. K. Gillespie 1930-4-21 9220 San Mateo Emerald Lake near Redwood City Comment
  JEPS81238  Acanthomintha duttonii Susan C. Sommers 1982-5-20 San Mateo Edgewood Park Comment
  SEINET12276583  Acanthomintha ilicifolia L. S. Rose 1932-1 San Mateo Comment
  RSA0076539  Acanthomintha obovata subsp. duttonii Paul R. Hichborn 1920-6-1 s.n. San Mateo Back of Redwood City. Comment
  RSA0076542  Acanthomintha obovata subsp. duttonii L. S. Rose 1933-5-17 33171 San Mateo Redwood City. Comment
  CAS-BOT-BC333208  Acer macrophyllum Elizabeth McClintock; Paul Reeberg 1988-4-6 s.n. San Mateo San Bruno Mountains. Above Margaret Ave., Brisbane Comment
  JROH159  Acer macrophyllum John H. Thomas 1975-6-5 17948 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below Searsville Dam 91 Comment
  UCD117084  Acer negundo C. F. Baker 1902-5-15 472 San Mateo Crystal Springs Lake. Comment
  UC484305  Acer negundo var. californicum Carl B. Wolf 1930-11-5 1809 San Mateo 4 mi w La Honda; Santa Cruz Mts., w of La Honda 91 Comment
  JROH172  Acer palmatum Carol Zabel and Ann Lambrecht 2002-4-24 46 San Mateo Jasper Ridge Biological Preserve, Stanford University. Corte Madera creek floodplain north of Leonard's bridge about 25 feet 107 Comment
  CAS-BOT-BC21592  Achillea millefolium Margaret A. Barry 1937-4-21 21 San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC21597  Achillea millefolium John H. Thomas 1961-5-7 9311 San Mateo San Bruno Mountain in northern part of county 396 Comment
  JEPS28872  Achillea millefolium V. F. Hesse 1962-7-19 3165 San Mateo Pescadero Beach 4 Comment
  JROH448  Achillea millefolium John Hunter Thomas 1981-4-23 20489 San Mateo Jasper Ridge Biological Preserve, Stanford University 130 Comment
  JROH469  Achyrachaena mollis John Hunter Thomas 1981-5-8 20561 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM284475  Achyrachaena mollis Arthur L. Cohen 1935-4-21 625 San Mateo Jasper Ridge; Mt.Range: Coast; Watershed: Searsville. 183 Comment
  CAS-BOT-BC29101  Achyrachaena mollis David D. Keck 1932-5-6 1489 San Mateo 4 miles west of Burlingame, at junction of Burlingame Rd and Skyline Blvd Comment
  RSA416306  Achyrachaena mollis D. D. Keck 1932-5-6 1489 San Mateo 4 miles west of Burlingame, at junction of Burlingame road and Skyline Boulevard. Comment
  JROH2060  Acmispon americanus var. americanus John Hunter Thomas 1977-6-16 18755 San Mateo Jasper Ridge Biological Preserve, Stanford University; near old racing oval Comment
  JROH2063  Acmispon americanus var. americanus John Hunter Thomas 1983-6-29 22720 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC389697  Acmispon glaber Mary K. Wicksten 1975-6-19 129 San Mateo Mt. Ellen Trail Comment
  JROH2069  Acmispon glaber var. glaber John H. Thomas 1970-7-5 15662 San Mateo Jasper Ridge Biological Preserve, Stanford University 152 Comment
  JROH2070  Acmispon glaber var. glaber D. E. Breedlove 1971-5-31 19376 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake 125 Comment
  JROH2079  Acmispon strigosus John H. Thomas 1975-4-18 17787 a San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA18493  Actaea rubra subsp. arguta Carl B. Wolf 1927-7-14 627 San Mateo Summit of La Honda Grade Comment
  CAS-BOT-BC139960  Adenostoma fasciculatum Linda Fox 1969-6-20 1001 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  HSC23963  Adenostoma fasciculatum Mary Katherine Wicksten 1971-6-17 38 San Mateo Huddart Park, Zwierlein Trail Comment
  LA207851  Adenostoma fasciculatum David D. Keck; 1932-5-25 1781 San Mateo Hills 2 mi. W. of Belmont Comment
  SEINET191610  Adenostoma fasciculatum Lewis S. Rose 1941-6-12 41270 San Mateo Hills of Redwood City Emerald Lake. 122 Comment
  POM263664  Adenostoma fasciculatum var. fasciculatum L. S. Rose 1941-6-12 41270 San Mateo Emerald Lake, hills west of Redwood City. 120 Comment
  CAS-BOT-BC384616  Adiantum aleuticum J. Lovelle 1973-7-29 s.n. San Mateo Pescadero Creek Comment
  JROH85  Adiantum aleuticum Lawrence J. Winship 1974-11-16 15 San Mateo Jasper Ridge Biological Preserve, Stanford University. Among wet rocks below Searsville dam. Comment
  RSA0091004  Aeonium simsii Dean Wm. Taylor, Alison E. L. Colwell 2005-5-10 19306 San Mateo Pacifica, sea bluffs between Shelter Cove and Pacifica State Beach. 16 Comment
  JROH2705  Aesculus californica Daniel Cohen 1953-4-11 27 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2708  Aesculus californica John H. Thomas 1971-5-30 15972 San Mateo Jasper Ridge Biological Preserve, Stanford University 120 Comment
  POM136951  Aesculus californica A. D. E. Elmer 1903-06 4258 San Mateo Crystal Springs Lake. Comment
  UC206220  Agoseris apargioides var. apargioides Katharine Brandegee 1917-6-15 San Mateo Moss Beach Moss Beach Comment
  SEINET7076092  Agoseris apargioides var. eastwoodiae 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
  CAS-BOT-BC23021  Agoseris grandiflora var. grandiflora A. D. E. Elmer 1903-4-1 4490 San Mateo Crystal Springs Lake Comment
  RSA18312  Agoseris heterophylla var. heterophylla C. B. Wolf 1927-7-14 599 San Mateo Summit of Kings Mountain Rd. Comment
  CAS-BOT-BC15250  Agoseris hirsuta A. D. E. Elmer 1903-4-1 4930 San Mateo Cemeteries Comment
  UC92296  Agoseris hirsuta C. F. Baker 1902-5-4 884 San Mateo Crystal Springs Lake Crystal Springs Lake Comment
  CAS-BOT-BC127379  Agrostis exarata A. G. Vestal 1937-6-15 s.n. San Mateo Pebble Beach near Pescadero. Comment
  UC1100234  Agrostis exarata Malcolm A. Nobs, S. Galen Smith 1949-8-26 1612 San Mateo ca 1 mi s Pigeon Point Comment
  SJSU15849  Agrostis pallens John Rawlings, Ken Hickman 2015-6-8 1574 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
  SEINET11673837  Agrostis pallens H. E. Weiser 1932-1 s.n. San Mateo Black Mtn Road, Hillsborough Hills, near Burlingame Comment
  CAS-BOT-BC138651  Agrostis stolonifera Ira L. Wiggins 1980-8-29 22259 San Mateo Lower north bank of San Francisquito Creek, ca. 150 m. upstream from Pope Street bridge, Menlo Park. Comment
  JROH4157  Ailanthus altissima John H. Thomas 1980-11-18 20172 San Mateo Jasper Ridge Biological Preserve, Stanford University 98 Comment
  JROH4162  Ailanthus altissima John Hunter Thomas 1992-5-26 25353 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along SLAC corridor 82 Comment
  JROH4826  Aira caryophyllea John H. Thomas 1975-5-26 17890 San Mateo Jasper Ridge Biological Preserve, Stanford University 193 Comment
  JROH4836  Aira caryophyllea John Rawlings 2013-4-19 1152 San Mateo Jasper Ridge Biological Preserve, Stanford University. Mossy verge of Trail 11 through chaparral. 144 Comment
  CAS-BOT-BC138233  Aira caryophyllea var. caryophyllea Fred Hemphill 1973-4-22 800 San Mateo San Carlos. North of Malabar Road and Melendy Drive. 207 Comment
  CAS-BOT-BC138235  Aira caryophyllea var. caryophyllea Elizabeth McClintock 1964-4-17 s.n. San Mateo San Bruno Mountain. Slope on top of mountain. Comment
  CAS-BOT-BC138238  Aira caryophyllea var. caryophyllea John H. Thomas 1965-4-29 10614 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  CAS-BOT-BC138240  Aira caryophyllea var. caryophyllea Margaret A. Barry 1937-5-15 105 San Mateo Coal Mine Ridge. Comment
  CAS-BOT-BC445395  Alisma plantago-aquatica Roxana S. Ferris 1920-9-3 2045 San Mateo Second Mud Lake, Coal Mine Ridge, Santa Cruz Mountains Comment
  JROH4566  Allium John H. Thomas 1976-5-26 18153 San Mateo Jasper Ridge Biological Preserve, Stanford University 148 Comment
  JROH4547  Allium amplectens Toni Corelli 2005-5-18 288 San Mateo Jasper Ridge Biological Preserve, Stanford University; about 1 m west of Road F 174 Comment
  CAS-BOT-BC467291  Allium dichlamydeum Walter Knight; Irja Knight 1964-5-30 603 San Mateo North facing slope, Colma Canyon Comment
  RSA40253  Allium falcifolium L. S. Rose 1948-5-16 48111 San Mateo Emerald Lake, west of Redwood City. 152 Comment
  UC766744  Allium lacunosum R. F. Hoover 1941-4-23 4910 San Mateo Redwood City hills 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
  UC311526  Allium peninsulare var. franciscanum A. D. E. Elmer June 1903 4595 San Mateo San Mateo Comment
  CAS-BOT-BC474304  Allium unifolium George Oberlander 1950-4-16 663 San Mateo Cahill Ridge Comment
  RSA177007  Alnus rhombifolia John H. Thomas 1964-11-29 10539 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles SW of Palo Alto; along San Francisquito Creek below dam. Comment
  SEINET12036414  Alnus rhombifolia Unknown 1932-10-17 7297 San Mateo near Searsville Lake Comment
  SEINET3917721  Alopecurus aequalis Lewis S. Rose 1932-5-3 32209 San Mateo San Bruno.; 0 183 Comment
  CAS-BOT-BC137917  Alopecurus saccatus J. I. McMurphy 1906-5-8 s.n. San Mateo Santa Cruz Mountain Peninsula. Pond near head of Crystal Springs Lakes. Comment
  LA206319  Alopecurus saccatus D. Keck; 1932-5-6 1472 San Mateo Burlingame, N city limits Comment
  CDA34348  Amaranthus retroflexus E. Finley 1990-10-25 s.n. San Mateo Redwood City, Jefferson St. at Lonesome Pine. 0 Comment
  JROH4576  Amaryllis belladonna Toni Corelli 2011-10-4 374 San Mateo Jasper Ridge Biological Preserve, Stanford University. Disturbed area below Douglas' iris site 89 Comment
  SD39996  Ambrosia chamissonis Edith A. Purer 1933-7-27 5376 San Mateo 2 miles south of Pigeon Point on open dune areas Comment
  SEINET3146786  Ambrosia chamissonis L. S. Rose 1938-8-14 38226 San Mateo El Granada 3 Comment
  UC1543058  Ambrosia chamissonis Donald G. Nelson 1938-7-28 579 San Mateo Moss Beach Comment
  RSA416939  Ambrosia chamissonis var. chamissonis Edith A. Purer 1933-7-27 5376 San Mateo 2 mi. S of Pigeon Pt. Comment
  RSA416938  Ambrosia chamissonis var. chamissonis D. D. Keck 1931-10-5 1285 San Mateo 1 mile north of Salada Beach, 200 meters from the ocean. Comment
  CAS-BOT-BC55528  Ambrosia psilostachya L. R. Abrams 1902-9-21 2992 San Mateo Crystal Lake Comment
  CAS-BOT-BC136825  Amelanchier utahensis Elizabeth McClintock; Paul Reedberg 1988-8-12 s.n. San Mateo Slope below Summit, San Bruno Mountains Comment
  CAS-BOT-BC136828  Amelanchier utahensis A. D. E. Elmer 1903-5-1 4659 San Mateo [Slates] Slate Creek Comment
  JROH1340  Amsinckia intermedia John Hunter Thomas 1982-4-4 20821 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1343  Amsinckia intermedia John Hunter Thomas 1983-4-5 21321 San Mateo Jasper Ridge Biological Preserve, Stanford University; low-flow crossing Comment
  UC24619  Amsinckia lycopsoides Alice Eastwood April, 1896 San Mateo near San Mateo Comment
  JROH1354  Amsinckia menziesii John Hunter Thomas 1987-5-15 24281 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing Comment
  CAS-BOT-BC344839  Anaphalis margaritacea Peter Rubtzoff 1978-9-16 9270 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. Comment
  JEPS20539  Anaphalis margaritacea L. M. Newlon 1921-1-1 241 San Mateo bluffs between Mussel Rock and Salada Beach; Sharp Park 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
  RSA246189  Anaphalis margaritacea E. K. Balls 1969-9-18 12173 San Mateo 6 mi. S along the La Honda Road (Hwy 84) past jct. hwy 84 and hwy 35. Beside San Gergorio Creek. 137 Comment
  UCD128852  Anaphalis margaritacea J. M Tucker 1951-8-6 2220 San Mateo M. R. Mattei Ranch, ca. 1.5 miles northeast of Pescadero. Comment
  CAS-BOT-BC391916  Anemone grayi W. R. Dudley 1897-4-9 s.n. San Mateo Santa Cruz Peninsula. Pescadero Creek Comment
  CAS-BOT-BC391920  Anemone grayi unspecified 1906-6-10 s.n. San Mateo Near King's Mt. House 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-BC221455  Angelica hendersonii W. R. Dudley 1909-10-4 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Mussel Rock Comment
  CAS-BOT-BC221458  Angelica hendersonii Elizabeth McClintock 1965-3-28 s.n. San Mateo San Bruno Mountain. Romanzoffia Ravine Comment
  UC174202  Angelica hendersonii Katharine Brandegee San Mateo Tobin Comment
Read comments
Apr 5 2008
  JROH189  Angelica tomentosa John Hunter Thomas 1986-5-17 24052 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC273182  Anisocarpus madioides James I. McMurphy 1909-5-25 s.n. San Mateo Above Pulpit Rock, San Mateo Canyon Comment
  CAS-BOT-BC273187  Anisocarpus madioides Eric Walther 1919-6-9 s.n. San Mateo Woodside Comment
  SEINET5539055  Antennaria luzuloides H. S. Gentry 1931-1 84 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  JROH498  Anthemis cotula John H. Thomas 1963-6-23 10173 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Westridge end of ridge Comment
  CAS-BOT-BC280651  Anthoxanthum occidentale R. E. Frenkel 1964-3-8 395 San Mateo On Starr Hill Road, 1.0 mile west of Kings Mountain Stables 518 Comment
  RSA124758  Anthriscus caucalis John H. Thomas 1958-5-10 7156 San Mateo Along trail near Searville Lake. Jasper Ridge, 5 miles SW of Palo Alto. 152 Comment
  JROH3912  Antirrhinum kelloggii Oz Garton 1968-6-10 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC392063  Aquilegia eximia A. D. E. Elmer 1903-6-1 4271 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC392065  Aquilegia eximia A. D. E. Elmer 1903-7-1 4952 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC392068  Aquilegia eximia Miss. H. D. Geis 1901-7-1 s.n. San Mateo Pulpit Rock Canon [Canyon]. Near stage road, from S. Mateo to Crystal Springs Res. Dam Comment
  CAS-BOT-BC405857  Aquilegia formosa Josephine Randall 1908-4-12 s.n. San Mateo King's Mt. Road Comment
  CAS-BOT-BC17328  Arabis blepharophylla A. D. E. Elmer 1903-4-1 4936 San Mateo Santa Cruz Peninsula. San Bruno Hills. Comment
  CAS-BOT-BC17331  Arabis blepharophylla Lewis S. Rose 1961-4-5 61032 San Mateo San Bruno Mountains. 365 Comment
  CAS-BOT-BC17339  Arabis blepharophylla L. Constance; R. Bacigalupi; C. R. Bell 1951-3-25 3369 San Mateo Southeast side of Colma Canyon. 60 Comment
  JEPS90213  Arabis glabra Dean W. Taylor 1988-3-30 9470 San Mateo near the ridgecrest of northern slope of se ridge of San Bruno Mountain (Right-of-way of eastern-most set of PG&E high-voltage powerlines crossing mountain); Santa Cruz Mountains, San Bruno Mountain 237 Comment
  CAS-BOT-BC128668  Arbutus menziesii Elizabeth McClintock; Walter Knight; Irja Knight 1964-9-11 s.n. San Mateo South of Brisbane on side hill by Frontage Road - San Bruno Mountain Comment
  CAS-BOT-BC128673  Arbutus menziesii B. Bartholomew; L. R. Landrum; H. W. Li; T. S. Ying 1985-11-6 3676 San Mateo Just S of the juction of State Highway 35 with La Honda Road 460 Comment
  CAS-BOT-BC128675  Arbutus menziesii W. R. Dudley 1904-4-10 s.n. San Mateo Alpine Road, Corte Madera Creek - Santa Cruz Mountain Peninsula Comment
  JROH1919  Arbutus menziesii John H. Thomas 1974-5-29 17397 San Mateo Jasper Ridge Biological Preserve, Stanford University; near riders' shack Comment
  UC83010  Arctostaphylos C. F. Baker 1902-5-10 817 San Mateo King's Mountain Comment
  CAS-BOT-BC24128  Arctostaphylos andersonii J. H. Thomas 1954-2-13 3686 San Mateo Along Skyline Highway between Kings Mt. Road and La. Honda Road. 609 Comment
  CAS-BOT-BC24129  Arctostaphylos andersonii Elmer I. Applegate 1895-3-9 304 San Mateo Woodside Comment
  CAS-BOT-BC24174  Arctostaphylos andersonii Roxania Strichfield 1914-2-28 33 San Mateo Portola Rd. Comment
  POM367227  Arctostaphylos andersonii L. S. Rose 1947-3-11 47028 San Mateo Kings Mountain. 609 Comment
  UCD50280  Arctostaphylos andersonii Roman Gankin 1959-3-22 324 San Mateo Kings Mountain Road, 1.2 miles east of junction with State Highway 5, ca. 5 miles west of Woodside. Comment
  SEINET12001814  Arctostaphylos andersonii W. R. Dudley 1906-1 6 San Mateo near Crystal Springs Lake, Santa Cruz Mts., Santa Cruz Peninsula Comment
  CAS-BOT-BC23547  Arctostaphylos crustacea W. R. Dudley 1899-5-14 s.n. San Mateo Hills by road from San Andreas Lake to Pilarcitos Comment
  JROH1940  Arctostaphylos crustacea subsp. crustacea John Hunter Thomas 1979-5-10 19547 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1943  Arctostaphylos crustacea subsp. crustacea John Hunter Thomas 1987-4-30 24210 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA681641  Arctostaphylos edmundsii Annuschka Deb 1989-1-27 17 -a San Mateo Woodside. Comment
Read comments
Dec 6 2014
  CAS-BOT-BC24483  Arctostaphylos imbricata Arthur L. Menzies 1963-3-9 s.n. San Mateo On ridge below se. end of parking lot. San Bruno Hills. Comment
  CAS-BOT-BC24494  Arctostaphylos imbricata Marian L. Campbell 1915-2-15 s.n. San Mateo San Bruno Hills. Comment
  CAS-BOT-BC27194  Arctostaphylos imbricata Mrs. Ernest Meiere 1915-6-18 s.n. San Mateo San Bruno hills Comment
  HSC7758  Arctostaphylos imbricata L. S. Rose 1964-4-24 64022 San Mateo San Bruno Hills 335 Comment
  JEPS27359  Arctostaphylos imbricata Rimo Bacigalupi with Jim Roof and L. Heckard 1961-4-24 7619 San Mateo lateral ridge below and se of end of paved ridgetop rd just e of KRON TV tower and station (on Guadalupe Valley side of mt.); San Bruno Mountain 304 Comment
  RSA51443  Arctostaphylos imbricata P. H. Raven 1950-2-25 1383 San Mateo W end of ridge behind NBC Television Station, San Bruno Mountains 457 Comment
  JEPS27358  Arctostaphylos pacifica Rimo Bacigalupi with Jim Roof and L. Heckard 1961-4-24 7618 San Mateo lateral ridge below and se end of ridge-top road just east of KRON TV tower and station (Guadalupe Valley side); San Bruno Mountain 304 Comment
Read comments
Aug 29 2014
  CAS-BOT-BC44737  Arctostaphylos regismontana E. A. McGregor 1908-3-28 s.n. San Mateo King's Mountain 548 Comment
  CAS-BOT-BC44742  Arctostaphylos regismontana J. H. Thomas 1949-3-29 2000 San Mateo Kings Mt. Rd. Comment
  CAS-BOT-BC44747  Arctostaphylos regismontana W. R. Dudley 1902-5-17 s.n. San Mateo Near King's Mountain Road 457 Comment
  POM132205  Arctostaphylos regismontana A. D. E. Elmer 1903-03 4537 San Mateo Kings Mountain. Comment
  SBBG28866  Arctostaphylos regismontana Mrs. E. C. Sutliffe 1934-2-2 San Mateo King's Mtn Comment
  SBBG83971  Arctostaphylos regismontana R. Gankin 1966-5-17 740 a San Mateo Montara Mtn Comment
  UC1120837  Arctostaphylos regismontana A. E. Wieslander and B. O. Schreiber 1940-3-5 8 San Mateo road from Woodside to King's Mt.; Santa Cruz Quadrangle 487 Comment
  UC1120844  Arctostaphylos regismontana A. E. Wieslander 1936-8-21 659 San Mateo Kings Mountain Santa Cruz Quadrangle Comment
  UC1120846  Arctostaphylos regismontana C. M. Belshaw 1935-1-25 1466 San Mateo Kings Mt. Rd 4.7 mi w Woodside; Santa Cruz Quadrangle 609 Comment
  CDA34054  Arctostaphylos sensitiva D. G. Kelch, David Gernandt, Steffi Ickert-Bond, Yingli Guo 2011-4-22 11 .155 San Mateo Santa Cruz Mountains; Along Route 9, ~5 km E of Big Basin Redwoods. Comment
  CAS-BOT-BC47321  Arctostaphylos tomentosa Walter Knight; Irja Knight 1964-9-14 843 San Mateo Peak Mountain, ca. 1 mi. w. of summit. Comment
  JEPS90463  Arctostaphylos tomentosa subsp. crinita Dean W. Taylor 1994-7-5 14744 San Mateo ca. 2 mi se Pescadero (far western end of ridge, on private road that leaves Cloverdale Rd. 0.3 mi s of Pescadero High School); Santa Cruz Mountains, Butano Ridge 228 Comment
  UC1120095  Arctostaphylos tomentosa subsp. crinita N. K. Carlson 1935-6-12 47 San Mateo 1 mi e Hollow Tree; Santa Cruz Quadrangle Comment
  JEPS48593  Arctostaphylos tomentosa subsp. crustacea James G. Daly 1934-1 194 San Mateo San Gregorio watershed Santa Cruz Mts. (sw San Mateo Co.) Comment
  JEPS48595  Arctostaphylos tomentosa subsp. crustacea James G. Daly 1934-1 570 San Mateo San Gregorio watershed Santa Cruz Mts. (sw San Mateo Co.) Comment
  POM131770  Arctostaphylos tomentosa subsp. crustacea C. F. Baker 1902-5-10 817 San Mateo Kings Mountain. Comment
  RSA636844  Arctostaphylos tomentosa subsp. crustacea Jon E. Keeley, Melanie Baer-Keeley 1993-9-8 24651 San Mateo NW side of Montara Mtn. 150 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
  UC1042396  Arctostaphylos tomentosa subsp. crustacea Lewis S. Rose 1949-3-18 49006 San Mateo hills w Belmont 91 Comment
  SEINET11989278  Arctostaphylos tomentosa var. tomentosiformis Unknown 1966-1 739 San Mateo ca 0.4 mi NE of Peak Mountain of Montara Mountain range 488 Comment
  SBBG83967  Arctostaphylos uva-ursi R. Gankin 1959-3-25 328 San Mateo San Bruno Mtn, S San Francisco, 0.25 mi E of KRON TV transmitter Comment
  SJSU6081  Arctostaphylos uva-ursi S. H. Casey 1969-5-18 256 San Mateo near summit of San Bruno Mt 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
  CAS-BOT-BC27300  Arctostaphylos uva-ursi var. suborbiculata W. Knight; Irja Knight; Elizabeth McClintock 1981-7-3 4492 San Mateo Kamchatka Point, San Bruno Mountain Comment
  CDA19857  Arctotheca calendula R. Eaton 2002-5-8 PDR 1236792 San Mateo San Francisco Bay Area; Bean Hollow Rd. 0 Comment
  CAS-BOT-BC102182  Argyranthemum foeniculaceum Elizabeth McClintock 1988-6-7 s.n. San Mateo San Bruno Comment
  POM204327  Armeria maritima subsp. californica I. L. Wiggins 1929-7-4 3801 San Mateo Pescadero Beach Comment
  SBBG58493  Armeria maritima subsp. californica J. M. Tucker 1941-4-6 211 San Mateo roadside, Pigeon Point Comment
  UCSB11750  Armeria maritima subsp. californica Olson, Jim 1962-4-13 San Mateo 1 mile south of Halfmoon Bay on U.S. Highway 101 15 Comment
  CAS-BOT-BC82518  Arnica discoidea David D. Keck 1932-5-11 1775 San Mateo East side of Kings Mountain, on Kings Mountain Road 350 Comment
  POM288964  Artemisia biennis Lyman Benson 1928-11-25 788 San Mateo Stanford Univ-- Lake Searsville. Santa Cruz Mts. 152 Comment
  CAS-BOT-BC90130  Artemisia biennis George Oberlander 1949-10-8 392 San Mateo Marsh, Upper Crystal Spr. Lake Comment
  UCD129194  Artemisia biennis Roxana S. Ferris 1924-10-16 4096 San Mateo Searsville Lake on Portola Highway. 0 Comment
  SD87616  Artemisia californica Frank W. Peirson 1925-9-13 6429 San Mateo Rockaway Beach Comment
  UC1537053  Artemisia douglasiana Gordon H. True Jr. 1937-7-23 803 San Mateo along Salada Beach-Skyline Blvd. 60 Comment
  UCR240608  Artemisia pycnocephala T. B. Salvato, Lia V. D. Mansfield, Joel-Henry J. Mansfield 2008-6-14 3528 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
  UC484308  Artemisia pycnocephala C. B. Wolf 1930-11-5 1806 San Mateo along coastal bluffs s of Pescadero 7 Comment
  JROH438  Asclepias fascicularis John Hunter Thomas 1992-6-8 25367 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM87776  Aster radulinus L. R. Abrams 1902-9-28 3004 San Mateo New Grade Road- Portola Comment
  SDSU6358  Aster subspicatus D. F. Howe 1967-8-6 4369 San Mateo By Half Moon Bay. Comment
  CAS-BOT-BC186756  Astragalus gambelianus George Oberlander 1950-4-22 786 San Mateo San Andreas Valley Comment
  CAS-BOT-BC186761  Astragalus gambelianus Deborah Hichborn 1920-4-19 s.n. San Mateo Woodside Comment
  CAS-BOT-BC186766  Astragalus gambelianus H. A. Dutton 1900-3-11 s.n. San Mateo Woodside Comment
  JROH1995  Astragalus gambelianus John Hunter Thomas 1982-4-28 20876 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC903405  Astragalus gambelianus Lois E. James 1946-4-16 1741 San Mateo High Road off Woodside Road hills back Redwood City; back of Redwood City Comment
  CAS-BOT-BC186751  Astragalus gambelianus W. R. Dudley 1894-4-21 s.n. San Mateo Below Crystal Springs Dam Comment
  SEINET948336  Astragalus gambelianus Lois E. James 1947-1 1757 San Mateo Hills back of Redwood city. Comment
  UCD104788  Astragalus gambelianus Lois E. James 1947-4-11 1758 San Mateo Hills back of Redwood City. Comment
  CAS-BOT-BC177974  Astragalus nuttallii var. virgatus C. F. Leitholdt 1894-7-1 s.n. San Mateo Pescadero Comment
  POM16314  Astragalus nuttallii var. virgatus Copeland 1905-6-3 3299 San Mateo Montara Point. Comment
  CDA26740  Astragalus pycnostachyus var. pycnostachyus T. C. Fuller 1967-8-23 16295 San Mateo West of coast highway (Highway 1), 1 mile northwest of Pescadero. 0 Comment
  UC13465  Astragalus pycnostachyus var. pycnostachyus J. W. Congdon 1897-8-11 San Mateo San Gregorio <?> Comment
  UC81253  Astragalus pycnostachyus var. pycnostachyus C. F. Baker 1902-10-1 1744 San Mateo Pillar Point Comment
Read comments
Feb 2 2012
  POM164684  Atriplex californica C. F. Baker 1902-10-1 1743 San Mateo Pillar Point. Comment
  UCSB53638  Atriplex hortensis Wetland Research Associates 1986-8-21 San Mateo 1/4 mi. from San Francisco Bay, between Steinberger Slough and Redwood Creek, Belmont Comment
  CHSC57076  Atriplex leucophylla Steven Triano 1988-5-24 201 San Mateo Located ca 750 ft s of Hwy. 1 and 2.9 mi s of Pigeon Point Light Station. 24 Comment
  SEINET6901186  Atriplex prostrata Robert A. Evers, Clara V. Evers 1975-8-24 112024 San Mateo Trailer Villa, Redwood City. Comment
  SD38027  Atriplex rosea Edith A. Purer 1933-8-13 5419 San Mateo Belmont Comment
  SJSU16016  Avena barbata John Rawlings, Ken Hickman 2016-5-26 1812 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
  JROH4847  Avena fatua John Hunter Thomas 1990-5-8 24854 San Mateo Jasper Ridge Biological Preserve, Stanford University. Low-flow crossing 81 Comment
  CAS-BOT-BC98695  Baccharis douglasii Josephine D. Randall 1907-7-23 57 San Mateo Near Crystal Springs Lake - Santa Cruz Peninsula Comment
  CAS-BOT-BC98696  Baccharis douglasii Theresa Gertrude Williamson 1923-8-4 s.n. San Mateo Near La Honda Comment
  RSA40259  Baccharis douglasii L. S. Rose 1946-7-14 46220 San Mateo Searsville Lake 69 Comment
  JROH532  Baccharis glutinosa John H. Thomas 1964-10-2 10513 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam along stream Comment
  JROH533  Baccharis glutinosa John H. Thomas 1968-5-31 12938 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH536  Baccharis glutinosa John H. Thomas 1974-8-3 17497 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH537  Baccharis glutinosa John Hunter Thomas 1979-9-9 19731 San Mateo Jasper Ridge Biological Preserve, Stanford University; edge of Searsville Lake Comment
  UC893653  Baccharis glutinosa Roxana Stinchfield 1915-10-14 262 San Mateo Santa Cruz Mountain Peninsula, San Francisquito Creek Comment
  CAS-BOT-BC99505  Baccharis pilularis Elizabeth McClintock 1965-3-28 s.n. San Mateo North Power Line Ridge, San Bruno Mountain Comment
  CAS-BOT-BC99506  Baccharis pilularis Walter Knight; Irja Knight; Elizabeth McClintock 1964-9-11 s.n. San Mateo Point San Bruno, San Bruno Mountain Comment
  CAS-BOT-BC99507  Baccharis pilularis Walter Knight; Irja Knight; Elizabeth McClintock 1963-9-2 s.n. San Mateo Radio Road, San Bruno Mountains Comment
  UC942900  Baccharis pilularis Lewis S. Rose 1949-9-20 49181 San Mateo Sharp Park Comment
  UCR240609  Baccharis pilularis T. B. Salvato, Lia V. D. Mansfield, Joel-Henry J. Mansfield 2008-6-14 3527 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
  RSA38968  Baccharis pilularis Edith A. Purer 1933-8-4 5409 San Mateo Clay hillside near Baden Station Comment
  UC1119670  Baccharis pilularis G. E. Sindel 1935-10-18 381 San Mateo 1 3/8 mi n of Langley Hill; Santa Cruz Quad. 518 Comment
  JROH547  Baccharis pilularis subsp. consanguinea John H. Thomas 1964-11-29 10547 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC16621  Barbarea orthoceras Fred Hemphill 1973-3-9 627 San Mateo San Carlos. Area north of Malabar Road and Melendy Drive. 207 Comment
  CAS-BOT-BC16628  Barbarea orthoceras Fred Hemphill 1973-5-6 748 San Mateo San Carlos. Area north of Malabar Road and Melendy Drive. 207 Comment
  CAS-BOT-BC16629  Barbarea orthoceras Peter H. Raven 1951-3-12 2744 San Mateo Summit ridge San Bruno Mountains. Comment
  CAS-BOT-BC16631  Barbarea orthoceras Elizabeth McClintock 1965-3-28 s.n. San Mateo San Bruno Mountain. Between April Brook and Radio Road. Comment
  CAS-BOT-BC16638  Barbarea orthoceras James McMurphy 1907-5-25 s.n. San Mateo San Francisquito Creek, near Stone Crusher. Comment
  JROH1440  Barbarea orthoceras John H. Thomas 1968-3-17 14183 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1443  Barbarea orthoceras John H. Thomas 1973-6-15 16843 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1454  Barbarea orthoceras John Hunter Thomas 1989-4-20 24643 San Mateo Jasper Ridge Biological Preserve, Stanford University; to below the dam Comment
  RSA195512  Barbarea orthoceras John H. Thomas 1966-4-22 11567 San Mateo Jasper Ridge Biological Experimental Area. About 5 miles SW of Palo Alto. Comment
  RSA788847  Barbarea orthoceras Peter Rubtzoff 1975-5-21 7962 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction Comment
  SD99578  Barbarea orthoceras Darley F. Howe 1968-4-14 San Mateo San Francisco Game Reserve near San Bruno. Comment
  CHSC56593  Bellardia trixago Steven Triano 1988-5-24 174 San Mateo Along w side of Sand Hill Road 0.5 mi s of its jct. with Whiskey Hill Road and 2.5 mi s of Woodside. 121 Comment
  CAS-BOT-BC75883  Berberis pinnata Elizabeth McClintock; Arthur Menzies 1963-2-16 s.n. San Mateo San Bruno Mountain. Near top of mountain, not far from radio station. Comment
  RSA254217  Berberis pinnata Robert A. Norris 1975-3-31 2294 San Mateo Near Guadalupe Parkway, Colma Canyon, San Bruno Mountans. Comment
  CAS-BOT-BC100319  Blennosperma nanum var. robustum A. D. E. Elmer 1903-4-1 4521 San Mateo San Bruno Hills Comment
  SJSU15761  Bolboschoenus maritimus subsp. paludosus Toni Corelli 2009-9-22 431 San Mateo Pomponio State Beach west of Hwy. 1 4 Comment
  CDA31372  Brachypodium sylvaticum Robin Breckenridge, K. Filippini 2010-2-17 PDR# 1463751 San Mateo Woodside: 1 Echo Lane. 0 Comment
  JROH4866  Brachypodium sylvaticum John Rawlings 2007-10-1 1025 San Mateo Jasper Ridge Biological Preserve, Stanford University. In middle of road inside Preserve Fence along Sand Hill Road south of caretaker's house. 107 Comment
  JROH5719  Brachypodium sylvaticum John Rawlings 2015-10-4 1651 San Mateo Jasper Ridge Biological Preserve, Stanford University; south of Middle Lake, ranging from Preserve boundary fence south of Caretaker's Residence east into riparian woodland. 101 Comment
  UCR162537  Brachypodium sylvaticum John Beall 2003-12-4 s.n. San Mateo Santa Cruz Mtns., Woodside, on Hwy 84 at Grandview Dr., about 1 mile from Skyline Road summit 427 Comment
  SEINET12004611  Brassica juncea E. H. Graham 1931-1 s.n. San Mateo Ano Nuevo Pt., S of San Francisco Comment
  JEPS26851  Brassica nigra Rimo Bacigalupi with J. H. Thomas and L. R. Heckard 1961-5-23 7714 San Mateo along Alpine Road near site of abandoned Alpine School Alpine School; Alpine Road 487 Comment
Read comments
Mar 12 2009
  RSA15631  Brassica oleracea C. B. Wolf 1927-6-15 1468 San Mateo Along Skyline Drive, 8 mi. S of San Francisco. Comment
  POM272668  Brassica rapa Lyman Benson 1939-7-1 9677 San Mateo Skyline Bouldevard; San Francisco City Limits. 30 Comment
  CAS-BOT-BC186702  Brassicaceae Walter Knight; Irja Knight 1965-4-24 s.n. San Mateo On San Bruno Point Comment
  JROH4876  Briza maxima John Hunter Thomas 1990-5-29 24861 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near picnic area Comment
  JROH4885  Briza minor John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4888  Briza minor John Hunter Thomas 1983-4-5 21320 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along the low-flow crossing Comment
  POM204993  Briza minor E. B. Copeland 1903-5-24 3257 San Mateo Along Crystal Springs Lake Comment
  SBBG459  Briza minor A. A. Beetle 1941-4-20 1739 San Mateo near San Carlos Comment
  SEINET4183129 Image available Briza minor David D. Keck 1932-4-18 San Mateo Burlingame Comment
  JROH4585  Brodiaea elegans subsp. elegans John Hunter Thomas 1986-6-7 24088 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA140610  Brodiaea elegans subsp. elegans John H. Thomas 1960-6-8 8774 A San Mateo Between Stanford and Searsville along San Hill Road. Comment
  JROH4588  Brodiaea terrestris subsp. terrestris John H. Thomas 1956-4-7 5624 San Mateo Jasper Ridge Biological Preserve, Stanford University. Open serpentine area on top of ridge and adjacent slopes Comment
  POM169611  Brodiaea terrestris subsp. terrestris C. F. Baker 1902-4-6 462 San Mateo Crystal Springs Lake. Comment
  UC72476  Brodiaea terrestris subsp. terrestris Milo S. Baker 1904-5-15 San Mateo near Burlingame Comment
  UC75263  Brodiaea terrestris subsp. terrestris C. F. Baker 1902-4-6 462 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC483174  Brodiaea terrestris subsp. terrestris R. E. Frenkel 1964-5-22 506 San Mateo On Whiting Ridge Fire Tr. Road, SFWD, 0.2 mile north-west of Spring Valley Ridge road 329 Comment
  CAS-BOT-BC483179  Brodiaea terrestris subsp. terrestris W. R. Dudley 1894-4-21 s.n. San Mateo Near dam, San Mateo, Santa Cruz Peninsula Comment
  RSA212158  Brodiaea terrestris subsp. terrestris L. S. Rose 1970-4-8 70024 San Mateo Black Mtn, W of San Mateo. 122 Comment
  CAS-BOT-BC144141  Bromus W. R. Dudley 1899-5-14 s.n. San Mateo Santa Cruz Mountain Peninsula. San Mateo Creek. Comment
  JROH4969  Bromus berteroanus John Rawlings 2010-5-1 1063 San Mateo Jasper Ridge Biological Preserve, Stanford University. A few feet south of Road F. Also seen around rocky outcrop at Brewer onion site the same day. 178 Comment
  POM234978  Bromus carinatus I. L. Wiggins 1928-4-22 2946 San Mateo Moss Beach Comment
  JROH5798  Bromus carinatus var. carinatus John Rawlings 2016-4-19 1724 San Mateo Jasper Ridge Biological Preserve, Stanford University. Causeway. 106 Comment
  CDA31070  Bromus catharticus Robin Breckenridge, K. Filippini 2010-2-17 PDR# 1463753 San Mateo Pescadero: Bean Hollow Road (across from Bay Flower Company). 0 Comment
  CDA31079  Bromus catharticus Robin Breckenridge, K. Filippini 2010-2-17 PDR# 1463753 San Mateo Pescadero: Bean Hollow Road (across from Bay Flower Company). 0 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
  CDA1794  Bromus diandrus Wm. Davis 1958-5-13 San Mateo Joos Nursery, Colma 0 Comment
  JROH4930  Bromus hordeaceus John Rawlings 2010-4-28 1092 San Mateo Jasper Ridge Biological Preserve, Stanford University; on slope south of the visitor parking lot 119 Comment
  RSA128662  Bromus hordeaceus P. H. Raven 1950-6-3 2208 San Mateo along Millbrae Ave., Millbrae. 61 Comment
  JROH4933  Bromus laevipes John H. Thomas 1967-5-12 12865 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  UCD58971  Bromus madritensis Beecher Crampton 1962-6-11 6485 San Mateo 5 miles west of Belmont, junction Ralston Ave. and Skyline Blvd. Comment
  SJSU16025  Bromus maritimus John Rawlings, Toni Corelli 2016-5-13 1790 San Mateo Vallemar Bluff, Moss Beach. USGS Montara Mountain OE W 7.5 Minute (1:24,000 Scale) Topographic Map. 11 Comment
  SEINET3923660  Bromus mollis K. Harper 1984-4-25 84 -6 San Mateo Along crest of Jasper Ridge, Research Preserve, Stanford University.; 0 Comment
  OBI22458  Bromus sitchensis Lewis S. Rose 1963-4-27 63003 San Mateo Skyline Blvd, W of San Mateo 91 Comment
  JROH4960  Bromus sterilis W. H. Lennihan 1990-4-8 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Across dam, 50 yards to r. on path, r. side of path on edge, just next to 10-12 foot Sambucus mexicana. 111 Comment
  JROH4963  Bromus sterilis John Rawlings 2013-4-10 1145 A San Mateo Jasper Ridge Biological Preserve, Stanford University; near power poles in partial shade on Rattlesnake Rocks trail off of Rd. D 131 Comment
  JROH4970  Bromus vulgaris W. H. Lennihan 1989-6-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. San Francisquito Creek trail. Comment
  SEINET3921935  Bromus willdenowii Robert A. Norris 1984-5-9 4730 San Mateo By Olivet Memorial Park Throughway, Colma.; 0 Comment
  CAS-BOT-BC233705  Buddleja davidii J. H. Thomas 1958-6-26 7288 San Mateo Along Skyline Blvd., about 0.3 miles north of Pulgas water temple. 91 Comment
  CAS-BOT-BC233708  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
  POM272601  Cakile edentula Lyman Benson 1937-6-27 8396 San Mateo Moss Beach. 3 Comment
  UC136066  Cakile edentula C. F. Baker 1902-10-1 1746 San Mateo Pillar Point; Pacific Coast, Pillar Point Comment
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Feb 2 2012
  UC676750  Cakile edentula Reed C. Rollins 1941-7-19 2961 San Mateo along beach at Half Moon Bay Half Moon Bay Comment
  SD38257  Cakile edentula var. edentula Edith A. Purer 1933-7-27 5346 San Mateo Pigeon Point Comment
  CAS-BOT-BC36868  Cakile edentula var. edentula W. R. Dudley 1893-1-1 s.n. San Mateo Santa Cruz Peninsula. Beach near Spanishtown. Comment
  CAS-BOT-BC36871  Cakile edentula var. edentula W. R. Dudley 1908-10-4 s.n. San Mateo Santa Cruz Mountain Peninsula. Laguna Salada. Comment
  CHSC81474  Cakile maritima Sabrina Wright; Brandi Pedigo, Jessica Wright, Nicky Wright 2000-3-4 San Mateo Rockaway Beach, Pacifica. 0 Comment
  CAS-BOT-BC185141  Calamagrostis nutkaensis Elizabeth McClintock 1967-6-24 s.n. San Mateo San Bruno Mountain. Top of mountain between radio stations on Radio Road. Comment
  UC203510  Calamagrostis nutkaensis A. D. E. Elmer 1903-5-1 5040 San Mateo San Pedro Comment
  JROH4973  Calamagrostis rubescens Winkie Lennihan 1980-8-13 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Just before Redwood Trail divides, to the right - divides to go up to Serpentine Meadow or on along creek. Comment
  CAS-BOT-BC438532  Calandrinia ciliata Le Roy Abrams 1902-5-4 2406 San Mateo Woodside Comment
  JROH1636  Callitriche marginata John H. Thomas 1970-4-4 15544 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD123519  Callitriche trochlearis W. R. Dudley 1904-4-23 s.n. San Mateo Santa Cruz Mountain Peninsula; Crow foot pond on Alpine Road, opposite the Fitzpatrick Place. Comment
  JROH4602  Calochortus albus John H. Thomas 1973-5-5 16760 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA18306  Calochortus albus Carl B. Wolf 1927-5-31 410 San Mateo Searsville Lake Comment
  UC672162  Calochortus albus Herbert L. Mason 1924-5-18 1017 San Mateo Jasper Ridge, near zoology club Jasper Ridge Comment
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Sep 19 2011
  UCR11981  Calochortus albus Blanche Clear 1938-5-22 s.n. San Mateo San Francisco Bay Region, dirt road in Hidden Valley[Pulgas Creek Valley?] between Redwood City and Belmont 61 Comment
  CAS-BOT-BC492202  Calochortus albus George Oberlander 1950-5-6 975 San Mateo Among Redwood, Cahill Ridge Comment
  CAS-BOT-BC492210  Calochortus albus Elmer I. Applegate 1895-4-8 727 a San Mateo San Francisquito Creek, near and above Stanford University Comment
  CAS-BOT-BC492221  Calochortus albus Paul Arnaud 1941-4-19 s.n. San Mateo Redwood City - Hills - near Hesler farm entrance Comment
  SEINET12044764  Calochortus albus L. S. Rose 1935-1 35214 San Mateo 9 mi W of Stanford U Comment
  JROH4621  Calochortus argillosus John H. Thomas 1973-6-10 16818 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD78194  Calochortus argillosus Robert E. Preston 2008-6-11 2641 b San Mateo Between Lower Crystal Springs Reservoir and Skyline Blvd, ca. 0.5 mi NW of jct Skyline Blvd and Crystal Springs Rd 99 Comment
  JROH4616  Calochortus argillosus John H. Thomas 1960-6-8 8781 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4631  Calochortus luteus John H. Thomas 1971-5-30 15960 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4637  Calochortus luteus John Hunter Thomas 1981-5-25 20628 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA140632  Calochortus luteus John H. Thomas 1960-6-1 8770 San Mateo Between Stanford and Searsville along Sand Hill Road Comment
  SEINET12053937  Calochortus luteus Unknown 1932-1 9159 San Mateo no further locality Comment
  JEPS23925  Calochortus tolmiei Le Roy Abrams 1902-5-20 2473 San Mateo Kings Mountain Comment
  CAS-BOT-BC493992  Calochortus tolmiei Joy H. Ozer 1963-6-9 59 San Mateo Southern boundary of Portola State Park. 609 Comment
  CAS-BOT-BC494043  Calochortus venustus L. R. Abrams 1915-6-7 5242 San Mateo Woodside to Crystal Springs road, near whipple Road Comment
  CAS-BOT-BC494045  Calochortus venustus Cherie Wetzel 1969-6-20 860 San Mateo Serpentine near Canada College, Redwood City, just off of Farm Hill Blvd Comment
  CAS-BOT-BC270667  Calycadenia multiglandulosa L. S. Rose 1941-6-12 41268 San Mateo W of Redwood City, Emerald Lake 120 Comment
  JROH570  Calycadenia multiglandulosa John Hunter Thomas 1983-6-29 22717 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH575  Calycadenia multiglandulosa John Hunter Thomas 1988-8-21 24563 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC894246  Calycadenia multiglandulosa Lewis S. Rose 1937-9-21 37658 San Mateo Emerald Lake, w of Redwood City 182 Comment
  JEPS10201  Calystegia soldanella Rimo Bacigalupi with G. T. Robbins 1954-6-18 4558 San Mateo one-half mi n Pigeon Point; one-half mi n of Pigeon Point Comment
  RSA130152  Calystegia soldanella Roxana S. Ferris 1921-5-29 2187 San Mateo New Years Pt. Comment
  CAS-BOT-BC436449  Calystegia subacaulis Ned Cahill 1974-4-29 194 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JROH1846  Calystegia subacaulis subsp. subacaulis John H. Thomas 1968-4-19 14300 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA195665  Camissonia micrantha John H. Thomas 1967-5-2 12733 San Mateo Colma. Near Hillside Blvd. at Cypress Lawn Cemetery Comment
  UC20548  Camissonia strigulosa Ivar Tidestrom May, 1894 San Mateo Comment
  UCSC007726  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  UC153882  Campanula prenanthoides L. R. Abrams 1907-8-26 San Mateo Kings Mt. Comment
  SEINET10462891  Campanula prenanthoides LeRoy R. Abrams 1907-8-26 Abrams s.n. San Mateo KINGS MT, MOIST SHADED REDWOODS Comment
  SEINET11262425  Campanula prenanthoides Lewis S. Rose 1953-7-27 53054 San Mateo Kings Mountain.; 0 610 Comment
  SEINET3406227 Image available Campanula prenanthoides Lewis S. Rose 1933-7-25 33311 San Mateo Kings Mountain Comment
  SEINET5542273  Capsella bursa-pastoris H. S. Gentry 1931-1 77 San Mateo 1 mile SE of Holy Cross Cemetery. Comment
  CHSC68130  Cardamine LeRoy E. Detling 1934-5-13 San Mateo Summit of La Honda Grade. Comment
  CAS-BOT-BC37673  Cardamine californica John H. Thomas 1958-2-15 6982 San Mateo Jasper Ridge, about 5 miles southwest of Palo Alto. 182 Comment
  SEINET12004998  Cardamine integrifolia G. A. McCallum 1933-1 s.n. San Mateo back of Stanford Campus Comment
  JROH1495  Cardamine oligosperma John Hunter Thomas 1981-4-5 20275 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek Comment
  JROH1498  Cardamine oligosperma John Hunter Thomas 1983-4-5 21322 San Mateo Jasper Ridge Biological Preserve, Stanford University; low-flow crossing Comment
  CAS-BOT-BC37983  Cardamine oligosperma Walter Knight; Irja Knight 1965-3-28 1018 San Mateo San Bruno Mountain. Trillium Gulch. Comment
  JROH1502  Cardamine oligosperma John Hunter Thomas 1989-4-20 24641 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC120252  Cardionema ramosissimum T. S. Brandegee Sept. 1901 San Mateo South San Francisco Comment
  CAS-BOT-BC281836  Carduus tenuiflorus John Thomas Howell 1939-6-16 14741 San Mateo Skyline Blvd near Crystal Springs Lake Comment
  JEPS48963  Carex amplifolia James G. Daly 1934-1 424 San Mateo upper Corte de Madera Canyon Comment
  UC70629  Carex barbarae J. Burtt Davy 1893-6-17 782 San Mateo Belmont Comment
  CAS-BOT-BC19323  Carex barbarae Alice Eastwood; John Thomas Howell; J. W. Stacey 1938-4-24 5247 San Mateo Lobitos. Comment
  CAS-BOT-BC19542  Carex bolanderi Lewis S. Rose 1933-6-23 33253 San Mateo Kings Mountain. Comment
  JROH4323  Carex bolanderi John Rawlings 2010-5-13 1056 San Mateo Jasper Ridge Biological Preserve, Stanford University; 100 feet west of Leonard's Bridge at time of collection. Bridge subsequently extended covering this site. 106 Comment
  JROH4330  Carex densa John H. Thomas 1967-6-1 12984 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4333  Carex densa Toni Corelli 2005-4-20 285 San Mateo Jasper Ridge Biological Preserve, Stanford University; south of Road F 184 Comment
  UC212817  Carex densa Kellogg and Brannan 1870-6-1 San Mateo San Gregorio Creek Comment
  OBI49274  Carex densa Lewis S. Rose 1939-4-14 39064 San Mateo South San Francisco 15 Comment
  UC823331  Carex densa Lewis S. Rose 1937-5-16 37279 San Mateo S San Francisco 15 Comment
  RSA304145  Carex dudleyi L. S. Rose 1937-4-30 37243 San Mateo Brisbane. 6 Comment
  JROH4339  Carex globosa John Hunter Thomas 1983-4-5 21317 San Mateo Jasper Ridge Biological Preserve, Stanford University. Grassy draw along path to redwood area. Comment
  JEPS67915  Carex gracilior L. R. Heckard and J. H. Thomas 1972-4-16 2899 San Mateo ca. 1 1/2 mi s Pulgas Water Temple (along Old Canada Road, sw of Upper Crystal Springs Reservoir); Old Canada Road 121 Comment
  POM248613  Carex harfordii J. T. Howell 1938-5-1 13781 San Mateo Near South San Francisco. Comment
  RSA796405  Carex obnupta Peter Rubtzoff, Roman Gankin 1975-5-21 7965 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction Comment
  UCD164097  Carex obnupta Peter Rubtzoff 1978-5-18 9173 San Mateo San Bruno Mountains.'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC117642  Carex serratodens LeRoy Abrams 1902-5-4 s.n. San Mateo Woodside. Comment
  JROH4360  Carex serratodens John Hunter Thomas 1986-6-9 24093 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC117653  Carex serratodens Cherie L. Wetzel 1969-6-20 883 San Mateo Near Canada College, Redwood City, just off Farm Hill Blvd. Comment
  JROH4363  Carex subbracteata John Rawlings 2010-5-19 1054 San Mateo Jasper Ridge Biological Preserve, Stanford University. A few feet downstream from bridge at Ribes aureum site on Trail 12. 111 Comment
  SJSU15906  Carex subbracteata John Rawlings, Sara Timby, Toni Corelli 2016-4-23 1731 B San Mateo Bean Hollow bluff trail west of Hwy 1 south of Pescadero 8 Comment
  UCR279903  Carex subbracteata Peter Rubtzoff 1975-5-21 7975 San Mateo Central Coast, San Bruno Mountains, 'saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road Junction 220 Comment
  RSA788836  Carex subbracteata Peter Rubtzoff 1978-3-18 9172 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  RSA88836  Carex subbracteata J. T. Howell 1938-5-1 13783 San Mateo Near South San Francisco. Comment
  CAS-BOT-BC116834  Carex subbracteata var. subbracteata Elmer Ivan Applegate 1895-3-3 778 San Mateo Unspecified Comment
  CAS-BOT-BC176395  Carex tumulicola Peter Rubtzoff 1975-5-21 7974 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  JROH4370  Carex tumulicola John Hunter Thomas 1981-4-30 20517 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4373  Carex tumulicola John Rawlings, Carol Zabel, Ann Lambrecht 2005-6-15 0909 B San Mateo Jasper Ridge Biological Preserve, Stanford University. Several yards from the intersection of Trail 2 with Trail 3. 86 Comment
  RSA119340  Carex tumulicola S. S. Tillett, I. Sternback 1956-6-25 543 San Mateo On Middleton property S of road to Portola State Park, just before entrance; in secondary redwood forest. 396 Comment
  CHSC39844  Carpobrotus Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  UC32963  Carthamus lanatus F. T. Bioletti 1892-7-31 San Mateo South San Francisco Comment
  LA209094  Castilleja affinis A. A. Heller; 1907-4-20 8442 San Mateo Near Lake Merced 60 Comment
  CAS-BOT-BC249190  Castilleja affinis W. R. Dudley 1896-4-19 s.n. San Mateo Santa Cruz Peninsula. Above Alpine School House, Alpine Comment
  RSA120823  Castilleja affinis S. S. Tillett, I. Sternback 1956-6-25 550 San Mateo Along Patterson Creek, on Middleton property just above entrance to Portola State beach. 366 Comment
  RSA82256  Castilleja affinis F. W. Peirson 1932-7-5 10243 San Mateo Just south of Pescadero. Comment
  JEPS26848  Castilleja affinis subsp. affinis Rimo Bacigalupi with L. Heckard and J. H. Thomas 1961-5-23 7711 San Mateo 0.25 mi below and s Portola State Park road junction with the Alpine Road (and just n of the Horseshoe Ranch, down road to Portola State Park) 457 Comment
  JEPS86227  Castilleja affinis subsp. affinis L. R. Heckard 1970-5-5 2452 San Mateo n side San Bruno Mountain (n spur) 60 Comment
  JROH3942  Castilleja affinis subsp. affinis John H. Thomas 1974-4-25 17213 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3948  Castilleja affinis subsp. affinis John Hunter Thomas 1981-5-25 20644 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS60423  Castilleja affinis subsp. affinis T. I. Chuang and F. M. Chuang 1969-7-21 6663 San Mateo 2.5 mi from Tunitas Road junction with Skyline Boulevard (Tunitas Road) 487 Comment
  CHSC1812  Castilleja ambigua subsp. ambigua M. Barkowski 1930-4-29 San Mateo Moss Beach. Comment
  POM15341A  Castilleja ambigua subsp. ambigua Copeland 1903-6-3 3298 San Mateo Montara Point. Comment
  UC886508  Castilleja ambigua subsp. ambigua Alice Eastwood 1912-6-2 208 San Mateo Granada Comment
  JROH3956  Castilleja attenuata John H. Thomas 1973-4-14 16562 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3981  Castilleja densiflora subsp. densiflora John Hunter Thomas 1981-4-23 20472 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CHSC39846  Castilleja foliolosa Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  POM176909  Castilleja foliolosa L. R. Abrams 1904-4-1 10 San Mateo Near Crystal Springs Lake, Santa Cruz Mts. Comment
  RSA218033  Castilleja franciscana Elizabeth McClintock, Phillip Wheeler 1967-5-14 s.n. San Mateo East side of mountain, above Harold Ave., Brisbane. Above Philip Wheeler's house. Comment
  SD4825  Castilleja latifolia Ulysses S. Grant IV June 1925 San Mateo near La Honda Comment
  OBI9362  Castilleja rubicundula Lewis S. Rose 1966-5-2 66034 San Mateo Emerald Lake, W of Redwood City 91 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
  JROH4001  Castilleja rubicundula subsp. lithospermoides John H. Thomas 1978-5-12 19199 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1012134  Castilleja rubicundula subsp. lithospermoides F. W. Pennell and D. D. Keck 1940-5-15 25413 San Mateo above Redwood City (Emerald Lake); Emerald Lake 45 Comment
  JEPS83044  Castilleja subinclusa subsp. franciscana Roy E. Buck, Randall A. Morgan, James A. West 1983-7-15 430 San Mateo ca 1.7 km sw Pilarcitos Dam (and 5.8 km nw of intersection of Calif Hwys 35 and 92, along crest of Cahill Ridge, on e side of gravel rd); San Francisco Watershed Reserve, Cahill Ridge 335 Comment
  JEPS18915  Castilleja wightii Rimo Bacigalupi with G. Thomas Robbins 1955-8-4 5451 San Mateo just Crystal Springs Lake (s lake) (along Skyline Blvd (Calif Hwy 5), at a point 6.2 mi n of the junction with Kings Mtn (not the La Honda) road) 396 Comment
  POM15493  Castilleja wightii C. F. Baker 1902-05 799 San Mateo Kings Mt. Comment
  RSA428367  Castilleja wightii E. S. Spalding 1924-6-28 s.n. San Mateo Moss Beach Comment
  OBI78360  Castilleja wightii Lewis S. Rose 1965-4-22 65026 San Mateo San Bruno Mtn, S of parking lot 366 Comment
  RSA517382  Castilleja wightii L. R. Heckard 1963-7-18 3142 San Mateo Along La Honda road from SkyLonda to LaHonda, 2 miles below (SW) junction with Skyline Blvd. 366 Comment
  SEINET10582749  Castilleja wightii Lawrence R. Heckard 1963-7-18 Heckard 3142 San Mateo Along La Honda road from SkyLonda to LaHonda, 2 miles below (SW) junction with Skyline Blvd. 366 Comment
  CAS-BOT-BC40394  Caulanthus lasiophyllus Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo San Bruno Mountains. Crocker Hills. Comment
  CAS-BOT-BC51593  Ceanothus oliganthus var. sorediatus A. D. E. Elmer 1903-5-1 4479 San Mateo Portola Comment
  CAS-BOT-BC51603  Ceanothus oliganthus var. sorediatus Brandegee 1890-5-1 38 San Mateo Mts. between San Francisco and Santa Cruz Comment
  CAS-BOT-BC51243  Ceanothus papillosus J. I. McMurphy 1906-5-20 13 San Mateo Santa Cruz Peninsula - King's Mt. Santa Cruz Mts. 457 Comment
  UC1071222  Ceanothus papillosus C. J. Kraebel 1934-4-15 7 San Mateo head of Pescadero Creek Santa Cruz Quad., head of Pescadero Creek Comment
  UC79824 Image available Ceanothus papillosus C. F. Baker 1902-5-10 804 San Mateo Kings Mountain; King's Mt. Comment
  UCR139357  Ceanothus papillosus David D. Keck 1932-5-11 1774 San Mateo San Francisco Bay Region, east side of Kings Mountain, on Kings Mountain Road 500 Comment
  SEINET12209941  Ceanothus papillosus J. D. McMurphy 1906-1 13 San Mateo King's Mt., Santa Cruz Mts 457 Comment
  CDA29068  Ceanothus papillosus var. papillosus D. G. Kelch 2009-6-9 9 .389 San Mateo Santa Cruz Mtns.; King s Mtn. Rd. N of Summit Springs. Comment
  UCSC000469  Ceanothus sorediatus A. E. Wieslander 1929-3-3 45 San Mateo Near Palo Alto Plot #1 "Santa Cruz"?, Cordilleras Creek 305 Comment
  POM136468  Ceanothus thyrsiflorus C. F. Baker 1902-4-12 511 San Mateo La Honda. Comment
  RSA153472  Ceanothus thyrsiflorus John H. Thomas 1961-5-7 9295 San Mateo San Bruno Mountain in northern part of county. 305 Comment
  UC1219870  Ceanothus thyrsiflorus John H. Thomas 1961-5-7 9295 San Mateo San Bruno Mountain in northern part of county. 304 Comment
  UC1537016  Ceanothus thyrsiflorus Gordon H. True Jr. 1937-3-31 615 San Mateo on Salada Beach Road 60 Comment
  JROH597  Centaurea calcitrapa John Hunter Thomas 1992-7-24 25388 San Mateo Jasper Ridge Biological Preserve, Stanford University; near boat ramp Comment
  UC306675  Centaurea calcitrapa A. D. E. Elmer Jul 1903 4961 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC274593  Centaurea calcitrapa Phillip C. Wheeler 1965-8-14 s.n. San Mateo San Bruno Mountain. Brisbane Lagoon Comment
  CAS-BOT-BC274595  Centaurea calcitrapa Phillip C. Wheeler 1965-5-17 s.n. San Mateo San Bruno Mountain. Crocker Hills near Cow Palace Comment
  JROH593  Centaurea calcitrapa John Hunter Thomas 1988-10-17 24602 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  SEINET8730776 Image available Centaurium exaltatum Lewis S. Rose 1941-1 41280 San Mateo Kings Mountain Rd, 3 miles west of Woodside 183 Comment
  CAS-BOT-BC272816  Centromadia parryi subsp. parryi David D. Keck 1931-10-5 1291 San Mateo Salada Beach Comment
  JEPS38156  Centromadia pungens subsp. pungens W. L. Jepson 1928-7-11 12937 San Mateo Redwood City Comment
  UC894404  Centromadia pungens subsp. pungens Lewis S. Rose 1938-8-18 38231 San Mateo San Mateo 6 Comment
  CAS-BOT-BC279332  Centromadia pungens subsp. pungens Alice Eastwood 1919-9-1 s.n. San Mateo San Mateo Comment
  SBBG32413  Centromadia pungens subsp. pungens L. S. Rose 1965-9-20 San Mateo Burlingame, Trousdale Dr and California Drive 9 Comment
  CAS-BOT-BC384958  Cerastium arvense W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. Ravine north of Seal Cove Comment
  CAS-BOT-BC388390  Cerastium glomeratum Fred Hemphill 1973-4-15 670 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  JROH1688  Cerastium glomeratum John H. Thomas 1957-4-16 6649 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM139639  Cercocarpus betuloides A. D. E. Elmer 1903-05 4530 San Mateo Searsville Lake Comment
  JROH3624  Cercocarpus betuloides var. betuloides John H. Thomas 1969-5-28 15079 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA176411  Chenopodium ambrosioides var. ambrosioides John H. Thomas 1964-10-2 10514 a San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Edge of Searsville Lake near Bridge. Comment
  JROH1821  Chenopodium californicum Richard L. Garber 1971-5-11 3 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA149154  Chenopodium californicum John H. Thomas 1961-5-13 9338 San Mateo Coastal sand dunes at Franklin Point. Comment
  RSA137301  Chenopodium murale John H. Thomas 1949-10-16 1146 San Mateo Along sandstone bluffs, just north of outlet of San Gregorio Creek Comment
  CAS-BOT-BC497722  Chlorogalum pomeridianum Cherie Wetzel 1969-6-20 868 San Mateo Serpentine near Canada College, Redwood City, just off of Farm Hill Blvd Comment
  CAS-BOT-BC497727  Chlorogalum pomeridianum John H. Thomas 1963-5-20 10127 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  HSC15442  Chlorogalum pomeridianum var. divaricatum J. Wendell Howe 1930-5-27 152 San Mateo Pebble Beach, near ocean Comment
  JROH4646  Chlorogalum pomeridianum var. pomeridianum John H. Thomas 1973-6-10 16821 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4652  Chlorogalum pomeridianum var. pomeridianum John Hunter Thomas 1983-6-29 22706 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA0105084  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 Bay, 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
  CDA33536  Chondrilla juncea John Beall 2010-6-21 PDR# 1621666 San Mateo San Carlos, city block of El Camino Real, Olive Street, Arroyo St, & Laurel Street. 0 Comment
  CAS-BOT-BC246284  Chorizanthe robusta var. robusta Katharine Brandegee 1905-6-1 s.n. San Mateo Unspecified Comment
  RSA126149  Chrysanthemum segetum Peter H. Raven 1950-4-30 1971 San Mateo along streets, Montara 24 Comment
  CDA28831  Chrysolepis chrysophylla D. G. Kelch 2009-6-9 9 .4 San Mateo Santa Cruz Mts.; Chert outcrop and adjacent mixed evergreen forest along Skyline Blvd ~1 km W of Skegg s Point. Comment
  JEPS78655  Chrysolepis chrysophylla Edward Lee 1936-1-26 1727 San Mateo 4.5 mi out Woodside (Kings Mountain Road, e side of Cahill Ridge); Cahill Ridge Comment
  JROH2580  Cicendia quadrangularis Rimo Bacigalupi 1922-4-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2583  Cicendia quadrangularis John H. Thomas 1966-4-2 11545 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2589  Cicendia quadrangularis John Hunter Thomas 1982-4-30 20883 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA176821  Cicendia quadrangularis John H. Thomas 1961-4-29 9182 San Mateo Jasper Ridge Biological Experimental Area, about five miles southwest of Palo Alto. Comment
  SJSU8865  Cicendia quadrangularis S. H. Casey 1979-5-10 San Mateo Wunderlich Park c. 2 mi S of Woodside Comment
  CAS-BOT-BC285234  Cichorium intybus Elizabeth McClintock; Paul Reeberg 1988-4-7 s.n. San Mateo San Bruno Mountains. In Guadalupe Valley Comment
  CDA21620  Cirsium brevistylum D. G. Kelch, B. G. Baldwin 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  CAS-BOT-BC277894  Cirsium brevistylum Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo San Bruno Mountain. Near parking lot on top of mountain Comment
  CAS-BOT-BC100941  Cirsium fontinale var. fontinale Alice B. Wright 1921-4-1 s.n. San Mateo Cyrstal Springs Comment
  UC1416530  Cirsium fontinale var. fontinale George E. Pilz 1971-5-9 616 San Mateo e side of Crystal Springs Reservoir, Interstate 280 has cut through the colony Crystal Springs Reservoir 121 Comment
  CAS-BOT-BC285670  Cirsium occidentale var. occidentale John H. Thomas 1963-5-20 10118 San Mateo Anu Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  CAS-BOT-BC280131  Cirsium occidentale var. venustum Margaret A. Barry 1937-7-17 201 San Mateo Coal Mine Ridge Comment
  UC306686  Cirsium occidentale var. venustum A. D. E. Elmer 1903-6-1 4259 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC280511  Cirsium quercetorum J. H. Thomas 1958-6-11 7227 San Mateo About 4.3 miles due east of Belmont near Crystal Springs Reservoir 91 Comment
  JEPS21772  Cirsium quercetorum J. H. Thomas 1954-6-11 4287 San Mateo about 0.25 mi n of Pidgen Point Light House Comment
  RSA0070860  Cirsium quercetorum A. D. E. Elmer 1903-06 4290 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC285860  Cirsium vulgare Ira L. Wiggins 1977-7-23 22189 San Mateo Northerly side of San Francisquito Creek stream bed, ca 150 m upstream from Pope Street bridge, Menlo Park Comment
  CAS-BOT-BC285870  Cirsium vulgare Ned Cahill 1975-1-18 398 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  HSC23960  Clarkia purpurea Mary Katherine Wicksten 1971-6-17 46 San Mateo Huddart Park above Oak Flat Comment
  CAS-BOT-BC165145  Clarkia rubicunda Phillip Wheeler 1965-6-7 s.n. San Mateo Buckeye Canyon Comment
  CAS-BOT-BC165148  Clarkia rubicunda Elizabeth McClintock; Carlyn Halde; Walter Knight; Walter Knight 1963-6-23 s.n. San Mateo Lower part of Colma Canyon Comment
  CAS-BOT-BC165157  Clarkia rubicunda Phipps 1922-7-1 s.n. San Mateo Tunitas Creek Comment
  CAS-BOT-BC165167  Clarkia rubicunda Margaret A. Barry 1937-6-22 159 San Mateo Exposed slopes on Coal Mine Ridge Comment
  JEPS90055  Clarkia rubicunda Dean W. Taylor 1994-5-10 14269 San Mateo ca. 300 meters se of junction of Edgewood and Canada Roads (200 m w of trail parallel to and on w side of Highway 280, Edgewood Park, Santa Cruz Mountains); Santa Cruz Mountains, Edgewood Park, Highway 280 137 Comment
  SBBG5002  Clarkia rubicunda H. and M. Dearing 1951-8-17 6945 San Mateo Pigeon Point, N of Santa Cruz Comment
  UC1071885  Clarkia rubicunda H. and M. Lewis 1951-6-28 861 San Mateo neaer Half Moon Bay (1.3 mi n of bridge (35.32C - 3.72) on Highway 1) Comment
  UC1279906  Clarkia rubicunda Peter H. Raven 1957-6-24 10967 San Mateo 2.0 mi n Montara (along State Highway 1) Comment
  UC1279936  Clarkia rubicunda Peter H. Raven 1957-7-4 11045 San Mateo 1.7 mi n of junction to Portola State Park (along State Highway 5 (Skyline Boulevard)) Comment
  CAS-BOT-BC165130  Clarkia rubicunda L. R. Abrams 1907-8-25 s.n. San Mateo Between [Pecadero] Pescadero and Half Moon Bay Comment
  CAS-BOT-BC165143  Clarkia rubicunda W. Knight; I. Knight 1965-6-20 s.n. San Mateo Crystal Cave Canyon Comment
  CAS-BOT-BC165172  Clarkia rubicunda W. R. Dudley 1894-5-30 s.n. San Mateo Near Redwood City Comment
  RSA113615  Clarkia rubicunda Peter H. Raven 1957-7-6 11055 San Mateo Along Tunitas Creek 2.0 miles from junction with State Highway 1. Comment
  RSA41288  Clarkia rubicunda Robert F. Hoover 1941-5-20 5108 San Mateo Redwood City hills Comment
  SD88531  Clarkia rubicunda Darley F. Howe 1972-6-25 San Mateo Ocean bluff, 7.5 miles North of Half Moon Bay Comment
  UCD104833  Clarkia rubicunda Peter H. Raven 1957-7-4 11046 San Mateo 6.1 miles from San Gregorio on road to La Honda, near San Gregorio Creek. Comment
  CAS-BOT-BC439593  Claytonia parviflora subsp. parviflora H. A. Dutton 1900-2-11 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  CAS-BOT-BC439595  Claytonia parviflora subsp. parviflora E. McClintock; Phillip Wheeler 1965-5-23 s.n. San Mateo San Bruno Mountain. Slope below Nike station. Comment
  CAS-BOT-BC439986  Claytonia perfoliata subsp. mexicana John M. Miller 1977-3-23 590 San Mateo Purisimo Canyon; Hwy. 1, 4 mi. E of Hwy. 1 on Purisimo Canyon Road. Comment
  JROH3342  Claytonia perfoliata subsp. perfoliata Daniel Cohen 1953-4-11 20 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC443660  Claytonia perfoliata subsp. perfoliata Elizabeth McClintock 1967-4-16 s.n. San Mateo San Bruno Mountain. Buckeye Canyon. Comment
  SEINET182860 Image available Claytonia perfoliata subsp. perfoliata John Campbell 1925-1-26 San Mateo Burlingame. Comment
  JROH3406  Clematis lasiantha John H. Thomas 1959-4-5 7666 San Mateo Jasper Ridge Biological Preserve, Stanford University. Chaparral at the western end of the ridge Comment
  JROH3412  Clematis lasiantha D. E. Breedlove 1971-5-31 19378 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH5687  Clematis lasiantha John Rawlings 2015-3-3 1311 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 9. 194 Comment
  CAS-BOT-BC91479  Clematis lasiantha W. R. Dudley 1900-3-16 s.n. San Mateo Santa Cruz Peninsula. By road below Harkersville. 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
  JROH2880  Clinopodium douglasii John Hunter Thomas 1985-5-22 23678 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC729849  Clintonia andrewsiana Carl B. Wolf 1929-5-25 3736 San Mateo 2 mi from Pescadero (on Alpine Creek); Alpine Creek Comment
  CAS-BOT-BC499404  Clintonia andrewsiana L. R. A. 1902-5-22 2465 San Mateo Kings Mountain Comment
  JEPS47717  Collinsia heterophylla Phillip Wheeler 1965-6-7 San Mateo Buckeye Canyon; San Bruno Mtn Comment
Read comments
Mar 12 2009
  CAS-BOT-BC240927  Collinsia multicolor Robert F. Hoover 1941-4-23 4901 San Mateo San Mateo Creek below Crystal Springs Dam Comment
  CHSC56998  Collinsia multicolor Josephine Boyd 1988-5-11 San Mateo Along the old stagecoach roal parallel to Crystal Springs Road ca 250 ft sw of its jct. with Polhemus Road in San Mateo. 83 Comment
  POM279765  Collomia heterophylla Lyman Benson 1931-5-10 2798 San Mateo Kings Mountain 457 Comment
  UC729639  Collomia heterophylla Carl B. Wolf 1929-5-25 3725 San Mateo 1/2 mi n La Honda Grade (on road to Woodside) 121 Comment
  RSA119754  Collomia heterophylla W. R. Dudley 1903-5-2 s.n. San Mateo Lower Pescadero Creek, Spring Valley co. property Comment
  RSA59640  Collomia heterophylla Verne Grant, Alva Grant 1950-5-19 8902 San Mateo On w. side of Kings Mt. 1/2 mile w. of Skyline road on Tunitas Creek road. Comment
  JROH208  Conium maculatum John H. Thomas 1964-7-3 10442 San Mateo Jasper Ridge Biological Preserve, Stanford University; along road above Searsville Lake Comment
  JROH218  Conium maculatum John Hunter Thomas 1982-5-18 20947 San Mateo Jasper Ridge Biological Preserve, Stanford University; along Searsville Lake near bridge Comment
  POM132669  Conium maculatum A. D. E. Elmer 1903-07 4957 San Mateo San Mateo Comment
  CAS-BOT-BC389736  Convolvulus J. Lovelle 1973-7-22 19 San Mateo Mt. Ellen Comment
  CAS-BOT-BC285994  Conyza bonariensis Elizabeth McClintock; Walter Knight; Irja Knight 1967-8-1 s.n. San Mateo San Bruno Mountain. Along Hillside Blvd, southeast of Pig Ranch Ravine Comment
  CAS-BOT-BC286212  Conyza canadensis J. H. Thomas 1963-7-19 10180 A San Mateo Ano Nuevo Point Comment
  CAS-BOT-BC288964  Conyza floribunda Peter Rubtzoff; Patricia Fallon 1987-8-26 9838 San Mateo San Bruno Mts: Saddle area on N side of Guadelupe Canyon. Parkway W of Radio Rd junction; NW part of the area along old Guadelupe Rd Comment
  JROH5743  Corallorhiza striata L. Nordby 1982-5-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. 2 km east of redwood stands Comment
  JROH4032  Cordylanthus pilosus subsp. pilosus Carol Zabel 1989-8-7 20 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 12, near Mapache Gate Comment
  JROH4035  Cordylanthus rigidus subsp. rigidus Deane Bowers 1980-8-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; outskirts just down the road from the Escobar entrance Comment
  RSA130827  Cordylanthus rigidus subsp. rigidus W. R. Dudley 1902-9-1 s.n. San Mateo Whipple Road near Crystal Springs Lake. Comment
  POM287561  Cornus californica Arthur L. Cohen 1935-2-22 525 San Mateo King's Mountain Road; Mt. Range: Santa Cruz; Watershed: San Francisco Bay. 152 Comment
  POM287565  Cornus californica Lyman Benson 1937-7-25 8477 San Mateo Lake Searsville; Mt. range: Santa Cruz; Drainage area: San Francisco Bay. 122 Comment
  CAS-BOT-BC209817  Cornus glabrata C. B. Wolf 1931-8-20 2329 San Mateo 3 miles west of Mayfield on road to La Honda 91 Comment
  POM211526  Cornus glabrata C. B. Wolf 1931-8-20 2329 San Mateo 3 miles west of Mayfield on road to La Honda. 91 Comment
  JROH1867  Cornus sericea subsp. sericea John Hunter Thomas 1981-4-21 20460 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1871  Cornus sericea subsp. sericea John Hunter Thomas 1981-7-24 20731 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1877  Cornus sericea subsp. sericea John Hunter Thomas 1986-5-1 23987 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek near low flow crossing Comment
  CAS-BOT-BC190042  Cortaderia jubata Elizabeth McClintock; Paul Reeberg 1988-8-12 s.n. San Mateo San Bruno Mountains. Along Guadalupe Canyon Parkway east of Northeast ridge. 60 Comment
  POM270392  Corylus cornuta var. californica Lyman Benson 1931-2-28 2613 San Mateo Town: Woodside; Mt. Range: Santa Cruz; River: San Francisquito Cr. 183 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
  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
  JROH3634  Cotoneaster pannosus John H. Thomas 1972-8-18 16154 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC291468  Cotula coronopifolia John H. Thomas 1949-6-4 578 San Mateo Along coast, 1.4 miles S. of road to Pescadero Comment
  CAS-BOT-BC291463  Cotula coronopifolia Catherine A. Toschi 1963-2-23 63 :33 San Mateo North slope San Bruno Mountains above Crocker Avenue 152 Comment
  CAS-BOT-BC291465  Cotula coronopifolia John H. Thomas 1963-5-20 10100 San Mateo Ano Nuevo Island about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  SJSU2294  Cotula coronopifolia C. W. Sharsmith 1950-4-16 6623 San Mateo near Pescadero Point Comment
  CDA19795  Cotula mexicana D. Pendleton 2002-3-21 PDR 065823 San Mateo San Francisco Bay Area; Sharp Park Golf Course in Pacifica. 0 Comment
  CAS-BOT-BC427830  Crassula connata John H. Thomas 1958-2-15 6991 San Mateo Jasper Ridge, about 5 miles southwest of Palo Alto. 182 Comment
  CAS-BOT-BC148428  Crataegus monogyna Elizabeth McClintock; Paul Reeberg 1989-4-23 s.n. San Mateo Trailhead parking lot - San Bruno Mountains Comment
  CAS-BOT-BC290924  Crepis vesicaria John Thomas Howell 1956-5-1 31316 San Mateo Just s. of Woodside on road to Searsville Comment
  JROH1954  Croton setiger John H. Thomas 1959-8-22 8076 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA10273  Cryptantha clevelandii var. florosa H. A. Barker 1927-5-14 671 San Mateo North of Half Moon Bay. Comment
  UC78697  Cryptantha torreyana T. S. Brandegee 1890-5-22 San Mateo La Honda Comment
Read comments
Feb 3 2010
  HSC23885  Cuscuta subinclusa Mary Katherine Wicksten 1971-7-2 152 San Mateo Huddart Park, Kings Mtn. Rd. above Miwok Area Comment
  RSA800141  Cyclospermum leptophyllum Peter Rubtzoff 1988-6-25 9927 San Mateo Menlo Park, on Willow Road near Alma Street. Comment
  UCD127346  Cyclospermum leptophyllum John Thomas Howell 1975-9-13 51507 San Mateo Hillside Street just west of El Camino, Burlingame. Comment
  CAS-BOT-BC287337  Cynara cardunculus John Thomas Howell 1956-11-14 31961 San Mateo Bayshore Highway just S of Main St, Redwood City Comment
  JEPS22117  Cynara cardunculus subsp. cardunculus J. H. Thomas 1958-10-21 7487 San Mateo near intersection of Bayshore Highway and Main Street; Redwood City Comment
  JEPS68165  Cynoglossum grande Elsa Kraeger 1926-2-21 San Mateo along roadside near La Honda Comment
  JROH1395  Cynoglossum grande John Hunter Thomas 1988-4-7 24384 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5011  Cynosurus echinatus W. Lennihan 1989-6-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. San Francisquito Creek -- above low-flow causeway on left in rocks. 81 Comment
  JROH4379  Cyperus eragrostis John Hunter Thomas 1978-5-23 19224 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC457144  Cyperus eragrostis David D. Keck 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
  RSA101027  Cyperus eragrostis G. Oberlander 1949-7-24 318 San Mateo Lower Crystal Springs Lake, San Francisco Watershed Reserve Comment
  CAS-BOT-BC133772  Cypripedium fasciculatum Mrs. C. S. Jordan 1915-4-1 s.n. San Mateo Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC136518  Cypripedium montanum Wm. Cranston 1915-4-1 s.n. San Mateo Field redacted by CAS, contact the data manager for more information Comment
  JEPS64797  Cytisus scoparius W. L. Jepson 1922-3-19 9534 San Mateo Millbrae 182 Comment
  CAS-BOT-BC189821  Dactylis glomerata Elizabeth McClintock; Paul Reeberg 1988-6-28 s.n. San Mateo San Bruno Mountains. Along Old Guadalupe Trail. 213 Comment
  JROH5017  Dactylis glomerata John Hunter Thomas 1977-6-16 18753 San Mateo Jasper Ridge Biological Preserve, Stanford University. Weedy area near old racing oval Comment
  JROH5036  Danthonia californica John H. Thomas 1967-6-1 12947 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1904  Datisca glomerata John H. Thomas 1961-6-14 9543 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  CHSC1953  Daucus pusillus A. Goekler 1929-5-10 San Mateo Moss Beach. Comment
  JROH222  Daucus pusillus John H. Thomas 1968-5-22 14455 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH223  Daucus pusillus John H. Thomas 1968-5-22 14455 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH226  Daucus pusillus John H. Thomas 1974-4-24 17188 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC106445  Daucus pusillus Mrs. K. Brandegee June, 1905 San Mateo Halfmoon Bay Comment
  UC897706  Deinandra corymbosa Lewis S. Rose 1937-8-29 37644 San Mateo Moss Beach 15 Comment
  OBI16296  Deinandra corymbosa Robert F. Hoover 1966-8-27 9942 San Mateo Halfmoon Bay Comment
  UC406882  Deinandra corymbosa David D. Keck 1927-6-10 396 San Mateo Comment
  CAS-BOT-BC299212  Deinandra corymbosa subsp. corymbosa R. F. Hoover 1966-8-27 9942 San Mateo Half Moon Bay Comment
  CAS-BOT-BC299231  Deinandra corymbosa subsp. corymbosa David D. Keck 1934-7-7 2933 San Mateo South of the mouth of Tunitas Creek, on slopes overlooking ocean Comment
  JROH679  Delairea odorata Le Roy Abrams 1902-1-7 2263 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Comment
  JROH682  Delairea odorata Paul Heiple 2008-12-3 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; just inside Sand Hill Rd. fence well south of main gate (just south of abandoned telephone pole) Comment
  CAS-BOT-BC389749  Delphinium M. Danielson 1967-4-30 s.n. San Mateo Old road above Crystal Springs Rd. on S.F. Watershed lands Comment
  CAS-BOT-BC9215  Delphinium californicum Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo San Bruno Mountain, Romanzoffia Ravine 396 Comment
  CAS-BOT-BC9236  Delphinium decorum W. R. Dudley 1896-4-17 s.n. San Mateo Pasture near Pebble Beach, Pescodero Comment
  RSA10347  Delphinium hesperium H. A. Barker 1926-5-5 578 San Mateo Near Searsville Lake Comment
  UC854136  Delphinium hesperium Alice Eastwood 1912-6-10 320 San Mateo Crystal Springs Comment
  JROH3442  Delphinium hesperium subsp. hesperium John H. Thomas 1974-5-29 17396 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3456  Delphinium patens subsp. patens John H. Thomas 1977-4-21 18540 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC116533  Delphinium patens subsp. patens P. H. Arnaud 1941-4-21 s.n. San Mateo Hills - back of Hesler farm, Redwood City Comment
  CAS-BOT-BC7929  Delphinium variegatum Adolph Daniel Edward Elmer 1903-5-1 4796 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC7940  Delphinium variegatum John Hunter Thomas 1971-5-2 15829 San Mateo near intersection of Canada and Edgewater Roads, about 4 miles SW of center of Redwood City 304 Comment
  SEINET3075261 Image available Delphinium variegatum C. W. Sharsmith 1951-4-6 5825 San Mateo Woodside Hills, 3 miles west of Woodside. 180 Comment
  SJSU1084  Delphinium variegatum C. W. Sharsmith 1951-4-6 5825 San Mateo Woodside hills 3 mi W of Woodside 182 Comment
  JEPS48647  Dendromecon rigida Elsa Kraeger 1926-2-21 San Mateo along roadside n La Honda Comment
  SEINET10476252  Dendromecon rigida Mary Susan Taylor 1978-8-30 Taylor 1865 San Mateo Comment
  SJSU15936  Deschampsia cespitosa subsp. cespitosa John Rawlings, Ken Hickman 2016-5-26 1807 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
  CAS-BOT-BC192633  Deschampsia danthonioides David D. Keck 1932-4-29 1448 San Mateo Redwood City Comment
  JROH5047  Deschampsia danthonioides John H. Thomas 1975-5-26 17917 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5066  Deschampsia elongata John Hunter Thomas 1982-7-3 21061 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA475251  Deschampsia elongata Lyman Benson 1937-7-8 8445 San Mateo Lake Searsville, Stanford University; Santa Cruz Mt. Range 122 Comment
  UCD63320  Deschampsia elongata S. S. Tillett; I. Sternback 1956-6-25 544 San Mateo On Middleton property s. of road to Portola State Park, just before entrance. 396 Comment
  POM207175  Deschampsia holciformis E. B. Copeland 1903-6-10 3305 San Mateo Montara Point. Comment
  CAS-BOT-BC876  Dicentra chrysantha George T. Ruddock Sept 1917 s.n. San Mateo San Carlos Peak Comment
  CAS-BOT-BC901  Dicentra chrysantha George T. Ruddock Sept 1917 s.n. San Mateo San Carlos Peak Comment
  UCR2938  Dicentra formosa Wm. Horn Jr. 1963-4-13 630413- 01 San Mateo Hillsborough, 2240 Redington Road 30 Comment
  POM87987  Dicentra formosa subsp. formosa L. R. Abrams 1902-4-13 2336 San Mateo Crystal Spring. Comment
  CAS-BOT-BC500894  Dichelostemma capitatum Fred Hemphill 1973-5-6 746 San Mateo San Carlos, Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC500932  Dichelostemma capitatum Javier Penalosa 1963-2-23 2661 San Mateo San Bruno Mtn. Ravine south of Crocker Ave. 182 Comment
  JROH4655  Dichelostemma capitatum subsp. capitatum John H. Thomas 1967-5-10 12854 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC502168  Dichelostemma congestum Fred Hemphill 1973-4-22 693 San Mateo San Carlos. Chaparral area north of Malabar Road and Melendy Drive. 207 Comment
  JROH5076  Digitaria sanguinalis H. J. Dengler 1965-8-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. In S.F. Creek bed, a few hundred yards below N. bend, at the Dennis Martin settlement site. 71 Comment
  JROH5082  Digitaria sanguinalis Ann Lambrecht 2004-7-21 13 San Mateo Jasper Ridge Biological Preserve, Stanford University. Corte Madera Creek near intersection with Trail 12. Comment
  CAS-BOT-BC150459  Diplacus aurantiacus Robert Robertson 1954-5-1 108 San Mateo 2 miles E. of Pescadero 30 Comment
  CAS-BOT-BC150464  Diplacus aurantiacus Carl B. Wolf 1930-11-5 1804 San Mateo Half way up east side of La Honda Grade, Santa Cruz Mtns. 304 Comment
  CAS-BOT-BC150454  Diplacus aurantiacus Daniel Cohen 1953-5-9 89 San Mateo La Honda Road 1/2 way to Skyline Drive on the east slope of the Santa Cruz Mountains Comment
  JROH1910  Dipsacus sativus John Hunter Thomas 1981-10-25 20773 San Mateo Jasper Ridge Biological Preserve, Stanford University; near main gate Comment
  JROH4217  Dirca occidentalis Carol Zabel 1990-4-15 40 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
  RSA169345  Dirca occidentalis L. S. Rose 1964-3-9 s.n. San Mateo North end of Crystal Springs Lake 122 Comment
  SEINET3821107 Image available Dirca occidentalis Lewis S. Rose 1933-6-9 33222 San Mateo San Andreas Lake. Comment
  UC860256  Disporum hookeri Lewis S. Rose 1939-5-5 39095 San Mateo San Mateo Canyon 45 Comment
  POM287082  Dodecatheon clevelandii subsp. patulum Lyman Benson 1929-3-16 1014 San Mateo Crystal Springs Lake, Spring Valley Comment
  JROH3381  Dodecatheon hendersonii Le Roy Abrams 1902-4-5 2311 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3387  Dodecatheon hendersonii John Hunter Thomas 1981-4-5 20286 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek Comment
  SD38129  Dodecatheon hendersonii Marie Cummings 1933-4-11 3687 San Mateo Spring Valley Lake Comment
  JROH1521  Draba verna John Hunter Thomas 1991-4-13 24991 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA39077  Dracunculus vulgaris M. K. Beyers 2013-5-31 s.n. San Mateo Montara State Beach, McNee Ranch Trail Trailhead. Comment
  CAS-BOT-BC159504  Drymocallis glandulosa var. glandulosa Elizabeth McClintock; David Schooly; Kim Marcus 1975-4-13 s.n. San Mateo Grassy slope above Hillside Blvd., South San Francisco - San Bruno Mountain Comment
  JROH3736  Drymocallis glandulosa var. wrangelliana John H. Thomas 1973-6-15 16842 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM267960  Drymocallis glandulosa var. wrangelliana Jens Clausen 1941-7-1 1872 San Mateo Summit of Montara Mtn 274 Comment
  CAS-BOT-BC67895  Dryopteris arguta Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain - Buckeye Canyon Comment
  JROH30  Dryopteris arguta Lawrence J. Winship 1974-11-2 6 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  UC1063780  Dryopteris arguta T. Tyrrell 1928-9-26 6 San Mateo 2 mi s San Gregorio (Plot 13); Santa Cruz Quadrangle 91 Comment
  CAS-BOT-BC389731  Dryopteris arguta J. Lovelle 1973-7-22 s.n. San Mateo Mt. Ellen Comment
  CAS-BOT-BC67896  Dryopteris arguta Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain - Quarry 3 Comment
  CAS-BOT-BC67897  Dryopteris arguta Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountain - Wax Myrtle Ravine, Six-Fern Rock Comment
  RSA693711  Dryopteris arguta E. S. Spalding 1923-8-3 s.n. San Mateo Near Pulgas Tunnel Comment
  CAS-BOT-BC71073  Dryopteris expansa George Oberlander 1950-3-18 581 San Mateo unspecified Comment
  CAS-BOT-BC410872  Dudleya caespitosa K. Nakai 1979-10-1 529 San Mateo Devils Slide on west facing granite slope along Calif. Hwy 1. Comment
  JROH1816  Dysphania ambrosioides John Hunter Thomas 1980-11-27 20185 San Mateo Jasper Ridge Biological Preserve, Stanford University; delta Comment
  CAS-BOT-BC208922  Echinochloa crus-galli George Oberlander 1949-9-25 393 San Mateo Upper Crystal Spr. Lake, San Francisco Watershed Reserve 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
  JROH5088  Echinochloa crus-galli John Hunter Thomas 1979-9-9 19713 San Mateo Jasper Ridge Biological Preserve, Stanford University. Lake edge and delta. Comment
  UCR122579  Echium pininana George K. Helmkamp, E. A. Helmkamp 2001-6-2 6785 San Mateo San Francisco Bay Region, Purisima Creek Road, east of Half Moon Bay at Purisima Creek, 3.2 miles east of CA Hwy 1 244 Comment
  JEPS67911  Elatine heterandra L. R. Heckard and J. H. Thomas 1972-4-16 2894 San Mateo ca 1.5 mi s Pulgas Water Temple (Old Canada Rd, sw of upper Crystal Springs Reservoir) Comment
  CAS-BOT-BC203879  Elymus X hansenii Elizabeth McClintock; Paul Reeberg 1989-5-30 s.n. San Mateo San Bruno Mountains. Owl Canyon 121 Comment
  CAS-BOT-BC203679  Elymus glaucus subsp. glaucus Walter Knight; Irja Knight 1965-5-15 s.n. San Mateo San Bruno Mountain. Bitter Cherry Ravine Comment
  CAS-BOT-BC203683  Elymus glaucus subsp. glaucus W. R. Dudley 1894-5-1 s.n. San Mateo Santa Cruz Mountain Peninsula. Woodside to Crystal Springs Lake Comment
  CAS-BOT-BC203685  Elymus glaucus subsp. glaucus J. Clausen 1937-6-20 1529 San Mateo West of Redwood City near the Easter Cross Comment
  CAS-BOT-BC203688  Elymus glaucus subsp. glaucus John H. Thomas 1961-5-7 9255 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC235201  Elymus multisetus Ned Cahill 1974-7-14 352 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JROH5126  Elymus multisetus John Hunter Thomas 1978-5-16 19218 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5136  Elymus multisetus John Hunter Thomas 1992-5-25 25340 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
  CAS-BOT-BC204303  Elymus trachycaulus subsp. trachycaulus L. R. A. 1902-5-11 2452 San Mateo Crystal Springs Comment
  SJSU15851  Elymus trachycaulus subsp. trachycaulus John Rawlings, Ken Hickman 2015-6-8 1579 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
  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
  CDA2047  Elytrigia repens Bruce Martin Aug 1949 San Mateo Coastal; Half Moon Bay, near San Francisco (about 30 mi. So.) 0 Comment
  UC1537613  Epilobium brachycarpum Gordon H. True 1937-7-23 804 San Mateo along Skyline-Salada Beach Rd 60 Comment
  HSC23933  Epilobium brachycarpum Mary Katherine Wicksten 1971-8-19 201 San Mateo Huddart Park, along road to Redwood Shelter area 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-BC166518  Epilobium canum subsp. canum James McMurphy 1906-8-24 s.n. San Mateo Los Trancos Creek Comment
  UCR3568  Epilobium ciliatum Wm. Horn Jr. 1963-6-10 630610- 01 San Mateo San Francisco Bay Region, Hillsborough [Burlingame], 2240 Redington Road 30 Comment
  SEINET12191216  Epilobium ciliatum subsp. ciliatum Unknown 1932-1 9174 A San Mateo Los Tramcos Woods Comment
  POM32532  Epilobium ciliatum subsp. watsonii A. D. E. Elmer 1903-07 4962 San Mateo Crystal Springs Lake Comment
  POM32681  Epilobium ciliatum subsp. watsonii Copeland 1903-6-5 3328 San Mateo Montara Point. Comment
  UC1537611  Epilobium ciliatum subsp. watsonii Gordon H. True Jr. 1936-6-7 481 San Mateo 2 mi s Pescadero (gully along coast highway) 15 Comment
  CAS-BOT-BC413802  Epilobium foliosum Robert I. Gilbreath 1973-7-1 0029 San Mateo Burlingame 182 Comment
  UC136743  Epilobium minutum C. F. Baker 1902-5-4 749 San Mateo Woodside Comment
  JROH5606  Epipactis helleborine John Rawlings, Ann Lambrecht 2011-6-21 1212 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 on north side of ridge. 100 Comment
  CDA39515  Epipactis helleborine C. M. Sill 1975-8-4 s.n. San Mateo Woodside, 439 Glenwood Ave. 0 Comment
  CAS-BOT-BC384620  Equisetum J. Lovelle 1973-8-5 s.n. San Mateo Pomponio Canyon Comment
  POM281831  Equisetum arvense Lyman Benson 1930-6-14 2157 San Mateo La Honda, Santa Cruz Mtn range. Redwoods. 244 Comment
  SBBG51402  Equisetum telmateia subsp. braunii J. Doty 1969-3-27 608 San Mateo S side of St Hwy 84, ca. 500 ft W of Bridge No 35-165, ca. 6 mi E of St Hwy 1 Comment
  SJSU1752  Equisetum telmateia subsp. braunii H. B. Johnston 1956-3-28 79 San Mateo Tunitas Creek, Tunitas Road, c.3 mi NE of Tunitas Comment
  POM25738  Equisetum telmateia var. braunii A. D. E. Elmer 1903-03 4501 San Mateo Portola Comment
  POM9508  Equisetum telmateia var. braunii C. F. Baker 1902-3-18 324 San Mateo West side King s Mountain. Comment
  JROH5141  Eragrostis pectinacea var. pectinacea John H. Thomas 1974-10-29 17646 San Mateo Jasper Ridge Biological Preserve, Stanford University. Small peninsula created by drainage channel cut to accommodate water from Corte Madera Cr. Comment
  JROH5147  Eragrostis pectinacea var. pectinacea John Rawlings 2012-7-27 1124 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near the NE corner of the Caretaker's Residence by the garden fence and the blackberry bush. 106 Comment
  CAS-BOT-BC291242  Erechtites minimus J. H. Thomas 1955-12-6 5515 San Mateo Growing on the upstream face of Pilarcitos Lake Dam Comment
  JROH3149  Eriastrum abramsii Carol Zabel 1989-4-19 11 San Mateo Jasper Ridge Biological Preserve, Stanford University; Road E, opposite madrone tree with fixed ropes for madrone study Comment
  JROH653  Erigeron canadensis John Hunter Thomas 1988-10-17 24600 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC300610  Erigeron foliosus var. franciscensis C. F. Leitholt 1893-7-1 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Searsville Comment
  CAS-BOT-BC295086  Erigeron glaucus Elizabeth McClintock 1963-6-9 s.n. San Mateo San Bruno Mountain Comment
  CHSC320  Erigeron glaucus B. Richardson 1929-5-11 San Mateo Moss Beach. 9 Comment
  CAS-BOT-BC295081  Erigeron glaucus W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. Montara Mountains Comment
  UCD18550  Erigeron glaucus Roman Gankin 1950-7-9 22 San Mateo On a sea cliff outside city of Pescadero, overlooking the ocean. 6 Comment
  CAS-BOT-BC300066  Erigeron philadelphicus Phillip C. Wheeler 1965-5-23 s.n. San Mateo San Bruno Mountain. N. W. Radio Road Comment
  CAS-BOT-BC216132  Eriodictyon californicum Fred Hemphill 1973-4-22 700 San Mateo North of Malabar Road and Melendy Dr., San Carlos 207 Comment
  CDA34113  Eriodictyon californicum D. G. Kelch, David Gernandt, Steffi Ickert-Bond, Yingli Guo 2011-4-22 11 .153 San Mateo Santa Cruz Mountains; Along Route 9, ~5 km E of Big Basin Redwoods. Comment
  JROH2727  Eriodictyon californicum Raymond R. White 1974-6-3 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; area H Comment
  SEINET8731331 Image available Eriodictyon californicum L. S. Rose 1941-1 41288 San Mateo Kings Mountain 480 Comment
  CAS-BOT-BC250540  Eriogonum gracile Gordon H. True 1937-7-31 831 San Mateo Alpine Road near Skyline Blvd. Comment
  CAS-BOT-BC251976  Eriogonum latifolium Elizabeth McClintock; David Schooly; Kim Marcus 1975-4-13 s.n. San Mateo above Hillside Blvd., South San Francisco Comment
  SD214602  Eriogonum latifolium Edith A. Purer 1933-7-27 5379 San Mateo Sand dunes, two miles south of Pigeon Point Comment
  CAS-BOT-BC251990  Eriogonum latifolium Mrs. E. C. Sutliffe 1934-7-12 s.n. San Mateo Along the Ocean Shore road Comment
  CAS-BOT-BC264777  Eriogonum luteolum Lewis S. Rose 1964-9-9 64073 San Mateo Emerald Lake, west of Redwood City 243 Comment
  CAS-BOT-BC266071  Eriogonum luteolum A. G. Vestal 1937-7-18 s.n. San Mateo Jasper Ridge, side of ridge not far from Stanford property line Comment
  UCR80214  Eriogonum luteolum L. S. Rose 1937-9-21 37661 San Mateo Emerald Lake, west of Redwood City 160 Comment
  CAS-BOT-BC268996  Eriogonum nudum var. auriculatum A. D. E. Elmer 1903-6-1 4311 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC269007  Eriogonum nudum var. auriculatum L. S. Rose 1927-5-24 s.n. San Mateo San Mateo Comment
  RSA18381  Eriogonum nudum var. auriculatum Carl B. Wolf 1927-7-1 527 San Mateo Above Emerald Lake, back of Redwood City. Comment
  SEINET11938131  Eriogonum nudum var. auriculatum E. A. Purer 1933-1 5401 San Mateo Bayshore Highway near Redwood City Comment
  CAS-BOT-BC261390  Eriogonum nudum var. indictum Chester Dudley No date on label 15 San Mateo West slope San Carlos Mts. Comment
  SEINET5728888 Image available Eriogonum vimineum Delzie Demaree 1933-1 10514 San Mateo Sky line Drive. Comment
  RSA418518  Eriophyllum confertiflorum Jerry A. Powell 1972-3-10 910 San Mateo Mt. San Bruno Comment
  JROH701  Eriophyllum confertiflorum var. confertiflorum John H. Thomas 1974-6-30 17456 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH711  Eriophyllum confertiflorum var. confertiflorum John Hunter Thomas 1981-5-8 20562 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC301255  Eriophyllum lanatum var. arachnoideum L. R. A. 1902-5-17 2472 San Mateo Kings Mountain Comment
  CAS-BOT-BC301258  Eriophyllum lanatum var. arachnoideum W. R. Dudley 1893-5-27 s.n. San Mateo Santa Cruz Mountain Peninsula. Near La Honda 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-BC301268  Eriophyllum lanatum var. arachnoideum Josephine D. Randall 1907-6-29 68 San Mateo Santa Cruz Peninsula. Kings Mt. Road Comment
  JROH720  Eriophyllum lanatum var. arachnoideum John H. Thomas 1962-7-15 9912 San Mateo Jasper Ridge Biological Preserve, Stanford University; near northern end of ridge Comment
  JROH725  Eriophyllum lanatum var. arachnoideum W. Lennihan 1989-6-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 5 from little serpentine hill toward San Francisquito Creek, on left before sharp turn going down to creek Comment
  POM53930  Eriophyllum lanatum var. arachnoideum C. F. Baker 1902-5-10 797 San Mateo Kings Mountain. Comment
  RSA463088  Eriophyllum lanatum var. arachnoideum Lyman Benson 1937-8-7 8486 San Mateo La Honda Road, Santa Cruz Mt. Range, San Francisco Bay Watershed 244 Comment
  UC1718080  Eriophyllum lanatum var. arachnoideum John S. Mooring 1967-7-25 1225 San Mateo hwy 35 ca. 100 yards N of Bear Gulch Road Comment
  CAS-BOT-BC301265  Eriophyllum lanatum var. arachnoideum W. R. Dudley 1906-6-12 s.n. San Mateo Santa Cruz Mountain Peninsula. W. Union Gulch, back of winery Comment
  JEPS85164  Eriophyllum latilobum Roy E. Buck 1987-5-2 565 San Mateo along Crystal Springs Rd ca 300 m n Woodridge Rd. jct. (1.5 air km nne of confluence of San Mateo and Polhemus Creeks, ne-facing slope along rd); Hillsborough, canyon of San Mateo Creek 33 Comment
  UC306665  Eriophyllum latilobum A. D. E. Elmer 1903-6-1 4897 San Mateo San Mateo Comment
  JEPS30882  Eriophyllum staechadifolium J. H. Thomas 1949-10-16 1151 San Mateo just n of outlet San Gregorio Creek Comment
  POM54691  Eriophyllum staechadifolium C. F. Baker 1901-10-1 1747 San Mateo Pillar Point Comment
  RSA116669  Eriophyllum staechadifolium W. R. Dudley 1894-3-26 s.n. San Mateo By road from Pescadero to San Gregorio Comment
  OBI49170  Eriophyllum staechadifolium var. artemisiifolium Lewis S. Rose 1938-8-18 38233 San Mateo Skyline Blvd, 3 mi S of San Francisco Co. line 61 Comment
  CDA5406  Eriophyllum staechadifolium var. artemisiifolium Wm. Davis 1958-6-6 San Mateo Pedro Valley, Sharp Park. 0 Comment
  CDA5407  Eriophyllum staechadifolium var. artemisiifolium F. E. Blanc 1960-6-28 4566 San Mateo 1 mile north of Half Moon Bay. 0 Comment
  JROH2603  Erodium brachycarpum W. R. Dudley 1903-4-10 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Serpentine ridge east of Searsville Reservoir. Comment
  RSA391840  Erodium cicutarium Glenn A. Gorelick 1967-4-4 s.n. San Mateo San Bruno Mts; overlooking Daly City near San Francisco. Comment
  SJSU16023  Eryngium armatum John Rawlings, Toni Corelli 2016-5-13 1792 San Mateo Vallemar Bluff, Moss Beach. USGS Montara Mountain OE W 7.5 Minute (1:24,000 Scale) Topographic Map. 11 Comment
  UC1167714  Eryngium armatum Peter H. Raven 1957-6-24 10971 San Mateo Pebble Beach Comment
  CAS-BOT-BC54828  Erysimum franciscanum W. R. Dudley 1894-3-27 s.n. San Mateo Santa Cruz Peninsula. On ledges below Crystal Springs Dam. Comment
  CAS-BOT-BC54839  Erysimum franciscanum G. B. Rossbach; R. P. Rossbach 1938-3-15 800 San Mateo East side Crystal Springs Lake. 106 Comment
  CAS-BOT-BC54841  Erysimum franciscanum G. B. Rossbach; R. P. Rossbach 1939-6-4 914 San Mateo Above southeast shore of Crystal Springs Lake, soutwest base Pulgas Ridge. 91 Comment
  CAS-BOT-BC54849  Erysimum franciscanum G. B. Rossbach; R. P. Rossbach 1939-3-26 901 a and 901b ripe pods San Mateo Dunes just back of high sea cliff very near Sharp Park (Salada Beach). Comment
  CAS-BOT-BC54874  Erysimum franciscanum John H. Thomas 1974-5-7 17315 San Mateo San Bruno Mountain. Along Guadalupe Parkway opposite school. Western side of mountain. Comment
  UC1034705  Erysimum franciscanum G. B. Rossbach 1955-3-26 576 San Mateo upper n slope n radio tower; San Bruno Mt. Comment
  UC1034733  Erysimum franciscanum G. B. Rossbach 1940-4-23 925 San Mateo s San Pedro Valley (nw of Peak Mt., steep sea-facing ledges about 1 mi inland); Montara Mts. 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
  UC334631  Erysimum franciscanum Hy. Edwards March 1877 77 San Mateo Colma Comment
  CAS-BOT-BC54831  Erysimum franciscanum W. R. Dudley 1906-5-13 s.n. San Mateo Santa Cruz Peninsula. Hills southwest of San Mateo. Comment
  SEINET10667980  Erythranthe arvensis Edward L. Greene Greene s.n. San Mateo Belmont. Comment
  CAS-BOT-BC403551  Eschscholzia californica Ned Cahill 1974-4-18 125 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CHSC22755  Eschscholzia californica Robert A. Schlising 1962-2-24 2083 San Mateo the California Coastal Ranges. Roadside, along Cabrillo Hwy (No 1) .7 mi N of county line. Comment
  JEPS51734  Eschscholzia californica Dr. L. M. Newlon 1921-1 244 San Mateo sea shore from Salada to Mussel Comment
  JROH3095  Eschscholzia californica John H. Thomas 1967-6-1 12963 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC204262  Eschscholzia californica A. D. E. Elmer June, 1903 4680 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC403556  Eschscholzia californica Brandegee 1890-5-1 K San Mateo San Gregorio Comment
  RSA445604  Eschscholzia californica subsp. californica E. A. Purer 1933-7-27 5384 San Mateo Two miles south of Pigeon Point Comment
  CAS-BOT-BC202758  Euonymus occidentalis Alice Eastwood 1933-5-31 11843 San Mateo Butano Canon [Canyon] Comment
  RSA116735  Euonymus occidentalis W. R. Dudley 1910-5-26 s.n. San Mateo Los Trancos Creek, above Judge Allen's; Santa Cruz Mountain Peninsula. Comment
  JROH1797  Euonymus occidentalis var. occidentalis E. I. Applegate 1895-5-11 67 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Dam Comment
  JROH1802  Euonymus occidentalis var. occidentalis John Hunter Thomas 1985-5-22 23680 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC153588  Euonymus occidentalis var. occidentalis L. R. Abrams 1906-9-24 San Mateo Goat Ranch Canyon near Portola; Santa Cruz Mts., Goat Ranch Canyon Comment
  JROH1949  Euphorbia maculata Carol Zabel 2005-8-10 55 San Mateo Jasper Ridge Biological Preserve, Stanford University; along road near entrance to large parking lot near field station Comment
  SJSU8501  Euphorbia oblongata L. F. Wagner 1979-5-1 46 San Mateo N side Chaucer St Bridge, Menlo Park-Palo Alto boundary Comment
  JROH5699  Euphorbia peplus John Rawlings 2015-3-31 1461 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along a ten-yard section Trail 13 east of Causeway Bridge. 106 Comment
  JROH5681  Euphorbia spathulata John Rawlings 2015-3-15 1355 San Mateo Jasper Ridge Biological Preserve, Stanford University. Ridge-top serpentine prairie 188 Comment
  POM223330  Euphorbia spathulata L. S. Rose 1935-5-4 35151 San Mateo Burlingame. Comment
  CAS-BOT-BC310620  Eurybia radulina A. D. E. Elmer 1903-7-1 4973 San Mateo Portola Comment
  UC306651  Eurybia radulina A. D. E. Elmer Jul 1903 4973 San Mateo Portola Comment
  CAS-BOT-BC310616  Eurybia radulina W. R. Dudley 1896-7-30 s.n. San Mateo Santa Cruz Mountain Peninsula. Old Cable Trail near Searsville Comment
  CAS-BOT-BC239710  Fabaceae W. R. Dudley 1894-3-26 s.n. San Mateo Reservoir, San Mateo Comment
  SEINET10887997  Festuca arundinacea P. Rubtzoff 1976-6-13 Rubtzoff 8633 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction and northwest of Fog Forest. Comment
  JROH5176  Festuca californica John H. Thomas 1967-5-12 12866 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  LA130809  Festuca californica David D. Keck; 1932-5-11 1499 San Mateo above Woodside on La Honda rd, E slope of Santa Cruz Mountains Comment
  SEINET206289 Image available Festuca californica Rimo Bacigalupi, L. R. Heckard; J. Roof 1961-4-24 7613 San Mateo Just below rocky spur due north of true summit of San Bruno Mountain directly below and northeast of KQED radio station 343 Comment
  CAS-BOT-BC278354  Festuca californica subsp. californica W. R. Dudley 1899-5-14 s.n. San Mateo Santa Cruz Mountain Peninsula. W. of San Andreas Reservoir Comment
  CAS-BOT-BC278359  Festuca californica subsp. californica Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo San Bruno Mountain. West slope of San Bruno Mountain Comment
  RSA135730  Festuca californica var. californica W. R. Dudley 1900-3-17 s.n. San Mateo Ravine north of Seal Cove. Comment
  JROH5480  Festuca microstachys Duncan M. Porter 1960-4-22 663 San Mateo Jasper Ridge Biological Preserve, Stanford University. Meadow near crest of N-facing slope above Webb Ranch. Comment
  JROH5483  Festuca microstachys S. J. McNaughton 1966-1-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. On serpentine grasslands of Ehrlich's Area H. 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
  JROH5491  Festuca microstachys Stephen N. Turitzin 1976-3-7 5 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5497  Festuca myuros John H. Thomas 1973-3-12 16498 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5501  Festuca myuros Stephen N. Turitzin 1975-5-7 3 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  JROH5286  Festuca perennis John Hunter Thomas 1984-4-24 23305 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5934  Festuca perennis J. Gaither 1982-5-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Whiskey Hill Gate Entrance Comment
  UC429787  Festuca roemeri LeRoy Abrams 1902-5-11 2450 San Mateo Crystal Springs Comment
  CAS-BOT-BC77694  Ficus carica John H. Thomas 1960-6-25 8795 San Mateo Redwood City, running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street 7 Comment
  JROH2975  Ficus carica John Hunter Thomas 1979-9-9 19710 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA191944  Filago gallica R. F. Thorne, P. Everett 1963-6-9 32227 San Mateo On top of San Bruno Mountain. 335 Comment
  CDA34004  Fragaria californica D. G. Kelch, David Gernandt, Steffi Ickert-Bond, Yingli Guo 2011-4-22 11 .151 San Mateo Santa Cruz Mountains.; Skyline Blvd, ~ 5 miles W of Los Altos. Comment
  RSA112397  Fragaria californica W. R. Dudley 1894-7-28 s.n. San Mateo Hill between Pescadero and La Honda, San Mateo County. Comment
  RSA499458  Fragaria chiloensis E. A. Purer 1933-7-27 5386 San Mateo Two miles south of Pigeon Point. Comment
  SJSU2271  Fragaria chiloensis C. W. Sharsmith 1947-4-11 6752 San Mateo Pescadero Beach near Pescadero Point Comment
  CAS-BOT-BC437034  Fragaria chiloensis J. H. Thomas 1949-6-4 576 San Mateo 1.4 miles south of road to Pescadero Comment
  CAS-BOT-BC437039  Fragaria chiloensis Walter Knight; Irja Knight 1964-4-25 688 San Mateo West of Radio Road, San Bruno Mountain Comment
  CAS-BOT-BC437041  Fragaria chiloensis Barrett Anderson; Peter Rubtzoff 1988-4-22 3659 San Mateo Saddle area north of Guadalupe Canyon Parkway, San Bruno Mountain 275 Comment
  JROH3664  Fragaria vesca John H. Thomas 1976-10-16 18427 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD113240  Fragaria vesca Janet Jacob 1951-4-1 62 San Mateo 7 miles east of Pescadero. Comment
  JROH3674  Fragaria vesca John Hunter Thomas 1991-4-25 24999 San Mateo Jasper Ridge Biological Preserve, Stanford University. Redwood area below dam Comment
  UC917281  Fragaria vesca W. A. Harvey and J. M. Tucker 1948-6-29 1705 San Mateo just w road to Portola State Park jct with Highway 5 (Skyline Blvd) (beside road to Portola State Park) Comment
  CAS-BOT-BC457513  Fragaria vesca subsp. californica W. R. Dudley 1894-5-1 s.n. San Mateo Woodside to Crystal Springs, Santa Cruz Pennisula Comment
  CAS-BOT-BC457515  Fragaria vesca subsp. californica W. R. Dudley 1894-7-28 s.n. San Mateo hill between La Honda and Pescadero, Santa Cruz Mountain Pennisula Comment
  CAS-BOT-BC457518  Fragaria vesca subsp. californica James McMurphy 1906-4-30 s.n. San Mateo on top of grade between Portola and Woodside Comment
  CAS-BOT-BC457524  Fragaria vesca subsp. californica Elizabeth McClintock 1965-3-28 s.n. San Mateo along stream at April Brook, San Bruno Mountain Comment
  CAS-BOT-BC457529  Fragaria vesca subsp. californica E. W. Rust 1987-4-27 129 San Mateo Kings Mountain. Comment
  JROH3544  Frangula californica subsp. californica John Hunter Thomas 1977-6-16 18790 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along raised causeway Comment
  CAS-BOT-BC53599  Frangula californica subsp. tomentella Carl B. Wolf 1927-12-31 1473 San Mateo 1/2 way up Kings Mt. Comment
  CAS-BOT-BC53601  Frangula californica subsp. tomentella O. Boring 1897-8-25 s.n. San Mateo Near Kings Mt. House Comment
  UC153585  Frankenia salina L. R. Abrams 1906-9-29 San Mateo Cooley's Landing Comment
  CAS-BOT-BC223549  Fraxinus latifolia W. R. Dudley 1894-4-13 s.n. San Mateo Santa Cruz Peninsula. By San Francisquito Creek near Big Tree Comment
  CAS-BOT-BC130136  Fritillaria affinis Roxana S. Ferris 1921-3-21 2121 San Mateo [Ano] Ano Nuevo Pt. Comment
  POM169866  Fritillaria affinis A. D. E. Elmer 1903-05 5045 San Mateo Portola Comment
  CAS-BOT-BC130117  Fritillaria affinis Volney Rattan 1802-1-1 s.n. San Mateo Cushings Comment
  CAS-BOT-BC130131  Fritillaria affinis Margaret A. Barry 1938-4-5 234 San Mateo Woods on Coal Mine Ridge Comment
  SD27773  Fritillaria affinis Carl B. Wolf 1927-4-3 254 San Mateo About 1 mile above La Honda, Santa Cruz Mountains. 244 Comment
  JEPS4954  Fritillaria biflora Inez Smith 1915-3-15 San Mateo Hillsborough, El Nido Hillsborough; , El Nido Comment
  RSA13540  Fritillaria liliacea H. E. Parks, S. T. Parks 1930-3-10 400 San Mateo Spring Valley Lakes Comment
  RSA289961  Fritillaria liliacea I. Smith 1915-3-15 s.n. San Mateo Hillsboro Comment
  SD39121  Fritillaria liliacea Marie Cummings 1933-4-11 7 San Mateo Spring Valley Lake. Comment
  UC1442617  Fritillaria liliacea Theodore F. Niehaus 1978-3-9 78945 San Mateo 0.2 mi nw of Polhemus Road (on Tower Road to San Mateo County Juvenile jail) Comment
  RSA0031337  Fumaria Peter Rubtzoff, B. Anderson 1988-4-12 9900 San Mateo San Bruno Mountain. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction; NW part of the area, near the old Guadalupe Road between Bog Trail and Saddle Trail Junctions. Comment
  CAS-BOT-BC290702  Fumaria Peter Rubtzoff; B. Anderson 1988-4-12 9900 San Mateo San Bruno Mountain. Saddle area on north side of Guadelupe Canyon Parkway west of Radio Road junction; NW part of the area, near the old Guadalupe Road between Bog Trail and Saddle Trail Junctions. Comment
  CDA34013  Fumaria capreolata D. G. Kelch 2011-3-13 11 .058 San Mateo Near Half Moon Bay along Capistrano Creek. Comment
  CAS-BOT-BC389682  Galium Mary Wicksten 1968-6-20 s.n. San Mateo Mr. [Mt.] Ellen trail - Memorial Park Comment
  UCD121717  Galium aparine Mary Lou Linvill 1972-5-16 14 San Mateo Coast Range; Mountain Home Road, 0.2 mile east of Mountain Wood Lane, Woodside. Comment
  JROH3785  Galium murale John H. Thomas 1958-5-10 7138 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3800  Galium murale John H. Thomas 1976-4-30 18103 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  JROH3803  Galium murale John Hunter Thomas 1984-4-24 23314 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD121821  Galium murale John H. Thomas 1958-5-10 7138 San Mateo Jasper Ridge, about 5 miles southwest of Palo Alto. 152 Comment
  JROH3788  Galium murale John H. Thomas 1961-4-29 9177 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5704  Galium parisiense John Rawlings 2015-4-7 1456 San Mateo Jasper Ridge Biological Preserve, Stanford University; quarry off Trail 12 110 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
  JROH3814  Galium porrigens var. porrigens John Hunter Thomas 1983-4-28 21782 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC496159  Galium porrigens var. porrigens W. F. Wight 1900-1-28 San Mateo trail to Bukhorn Ranch above Prestons (old La Honda Rd.) Comment
  JROH801  Gamochaeta ustulata John Hunter Thomas 1986-5-6 24004 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC306760  Garrya elliptica A. D. E. Elmer Feb 1903 4469 San Mateo Portola Comment
  POM132534  Garrya veatchii Jos. Burtt Davy 1893-06 s.n. San Mateo Pilarcitos Lake and Canon [Canyon]. Comment
  JROH5182  Gastridium phleoides John H. Thomas 1963-6-23 10172 San Mateo Jasper Ridge Biological Preserve, Stanford University. Grasslands near Westridge end of ridge Comment
  CAS-BOT-BC59640  Gaultheria shallon Herbert L. Mason 1921-7-1 s.n. San Mateo Pescadero Cr. Comment
  UCD119371  Genista monspessulana Annabelle Kleist 2008-5-28 Woo- 39 San Mateo Woodside, along Fox Hill Road. Comment
  RSA0028369  Geranium carolinianum W. R. Dudley 1898-4-24 s.n. San Mateo Field near Corte de Madera Bridge. Comment
  RSA0028486  Geranium dissectum John H. Thomas 1954-4-3 3825 San Mateo San Gregorio Creek drainage, 1.2 miles inland from San Gregorio. 61 Comment
  JROH5835  Geranium molle Teri Barry 2016-4-26 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 7 Comment
  HSC23939  Geranium retrorsum Mary Katherine Wicksten 1971-7-22 187 San Mateo Huddart Park, near park entrance Comment
  UC909020  Gilia achilleifolia subsp. achilleifolia Herbert L. Mason 1927-4-23 3677 San Mateo summit of road between La Honda and Pescadero Creek; summit of road between La Honda and Pescadero Creek Comment
  JROH3154  Gilia achilleifolia subsp. multicaulis John H. Thomas 1971-4-25 15783 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5693  Gilia achilleifolia subsp. multicaulis John Rawlings 2015-3-31 1416 San Mateo Jasper Ridge Biological Preserve, Stanford University; sepentine prairie on ridge top south of a shallow drainage 128 Comment
  CAS-BOT-BC266511  Githopsis diffusa Margaret A. Barry 1937-5-15 s.n. San Mateo On Coal Mine Ridge Comment
  JROH5201  Glyceria X occidentalis John Rawlings 2007-6-9 1022 San Mateo Jasper Ridge Biological Preserve, Stanford University. A few meters downstream from the Bear Creek and San Francisquito Creek confluence on a gravel bar on the NW side of San Francisquito Creek. 81 Comment
  POM261103  Gnaphalium chilense L. R. Abrams, I. L. Wiggins 1939-6-3 428 San Mateo Ano Nuevo Point. Comment
  POM358849  Gnaphalium luteoalbum L. S. Rose 1936-2-12 36005 San Mateo Burlingame. 91 Comment
  RSA22173  Gnaphalium luteoalbum L. R. Abrams, I. L. Wiggins 1939-6-3 431 San Mateo Ano Nuevo Point Comment
  POM58047  Gnaphalium palustre C. F. Baker 1902-10-20 1860 San Mateo Searsville Comment
  CAS-BOT-BC307437  Gnaphalium palustre George Oberlander 1949-7-30 322 San Mateo Edge of San Andreas Lake, San Francisco Watershed Reserve Comment
  RSA91713  Gnaphalium ramosissimum F. W. Peirson 1925-9-13 6426 San Mateo Rockaway beach Comment
  JROH811  Grindelia camporum G. H. Mallory 1909-7-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; south end of Jasper Ridge Comment
  CAS-BOT-BC304533  Grindelia hirsutula Lewis S. Rose 1933-7-21 33306 San Mateo Montara Comment
  CAS-BOT-BC304535  Grindelia hirsutula George Oberlander 1950-7-15 1099 San Mateo San Francisco Watershed Reserve. Northern Cahill Ridge Comment
  CAS-BOT-BC304538  Grindelia hirsutula John Thomas Howell 1933-5-26 11348 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC304540  Grindelia hirsutula Alice Eastwood 1912-6-10 322 San Mateo Crystal Springs 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
  POM57690  Grindelia hirsutula C. F. Baker 1902-5-1 687 San Mateo Crystal Springs Lake. Comment
  RSA137305  Grindelia hirsutula John H. Thomas 1954-5-28 4243 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco. 30 Comment
  SJSU23  Grindelia hirsutula C. D. Duncan 1925-5-23 San Mateo S end Jasper Ridge above Searsville L Comment
  UC1118556  Grindelia hirsutula N. K. Carlson 1935-6-29 105 San Mateo 1 mi s Pescadero; Santa Cruz Quad. Comment
  UC32136  Grindelia hirsutula J. Burtt Davy Jun 21 1893-Jun 23 1893 San Mateo Pilarcitos Lake and Pilarcitos Canyon; Pilarcitos Lake, Pilarcitos Canyon Comment
  JROH814  Grindelia hirsutula John H. Thomas 1961-6-14 9538 San Mateo Jasper Ridge Biological Preserve, Stanford University; in "parking area" at Searsville end of Lake Comment
  JROH820  Grindelia hirsutula John Hunter Thomas 1980-5-8 19941 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU15765  Grindelia stricta var. angustifolia Toni Corelli 2011-8-31 721 a San Mateo Pescadero State Beach and Marsh Natural Preserve. Along Butano Trail on levy along Butano Creek. 3 Comment
  RSA0110998  Grindelia stricta var. angustifolia L. S. Rose 1938-8-18 38229 San Mateo Brisbane 2 Comment
  RSA0116908  Grindelia stricta var. angustifolia Lyman Benson 1945-7-29 11839 San Mateo Bayshore Highway at San Carlos. 3 Comment
  SEINET11843441  Grindelia stricta var. angustifolia L. S. Rose 1938-1 38229 San Mateo Brisbane 2 Comment
  POM181504  Grindelia stricta var. platyphylla H. F. Copeland 1928-2-25 982 San Mateo Montara. Comment
  RSA18345  Grindelia stricta var. platyphylla C. B. Wolf 1927-1-29 473 San Mateo Pescadero Comment
  UC137310  Guillenia lasiophylla C. F. Baker 1902-4-6 459 San Mateo Crystal Springs Lake Comment
  RSA3886  Helenium puberulum I. L. Wiggins 1929-7-4 3791 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  UC1537048  Helenium puberulum Gordon H. True Jr. 1937-7-23 805 San Mateo along Skyline Blvd. to Salada Beach Road 304 Comment
  HSC23888  Helenium puberulum Mary Katherine Wicksten 1971-6-22 94 San Mateo Huddart Park; by Madrone Area, toward Miwok Shelter Comment
  JROH849  Helianthella californica var. californica J. S. McMurphy 1911-5-9 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH850  Helianthella californica var. californica John H. Thomas 1963-5-1 10043 San Mateo Jasper Ridge Biological Preserve, Stanford University; at western end of ridge Comment
  CAS-BOT-BC305339  Helianthella castanea Elizabeth McClintock; Phillip C. Wheeler 1967-5-14 s.n. San Mateo San Bruno Mountain. East side of mountain, above Harold Ave., Brisbane. Near fence separating Brisbane from Crocker Estate portion of mountain Comment
  CAS-BOT-BC305341  Helianthella castanea Glenn L. Clifton 1988-5-11 17823 San Mateo San Bruno Mountain, canyon on north-facing slope above Brisbane, adjacent to right-of-way of eastern-most set of PGandE high-voltage powerlines crossing the mountain 256 Comment
  CAS-BOT-BC305334  Helianthella castanea Miss E. Cannon 1892-6-1 s.n. San Mateo Hills near the Bay, South S.F. Comment
  JROH1837  Helianthemum scoparium John H. Thomas 1969-5-28 15077 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC305923  Helminthotheca echioides Ira L. Wiggins 1977-7-23 22188 San Mateo Bed of San Francispuito [Francisquito] Creek, ca 150 m upstream from Pope Street bridge, Menlo Park side of center line Comment
  CAS-BOT-BC305925  Helminthotheca echioides Ira L. Wiggins 1977-7-23 22188 San Mateo Bed of San Francisquito Creek, ca 150 m upstream from Pope Street bridge, Menlo Park side of center line Comment
  CAS-BOT-BC305928  Helminthotheca echioides Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountain. Radio Road Comment
  CAS-BOT-BC313453  Hemizonia congesta subsp. luzulifolia Josephine D. Randall 1907-7-23 78 San Mateo Near Crystal Springs Lake, Santa Cruz Peninsula Comment
  CAS-BOT-BC313458  Hemizonia congesta subsp. luzulifolia Roxana Stinchfield 1915-10-14 260 San Mateo Cedro Villa, Stanford University, Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC314922  Hemizonia congesta subsp. luzulifolia A. D. E. Elmer 1903-6-1 4443 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC314945  Hemizonia congesta subsp. luzulifolia A. D. E. Elmer 1903-5-1 4805 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC314948  Hemizonia congesta subsp. luzulifolia L. R. Abrams 1914-7-15 5140 San Mateo Crystal Springs Comment
  JEPS44416  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1965-8-27 65094 San Mateo w Redwood City; Emerald Lake 182 Comment
  JROH868  Hemizonia congesta subsp. luzulifolia John H. Thomas 1974-10-26 17635 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC614964  Hemizonia congesta subsp. luzulifolia Beryl O. Schreiber 1932-5-29 308 San Mateo Crystal Springs Comment
  CAS-BOT-BC313455  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1908-8-1 s.n. San Mateo Summit Crystal Springs-Belmont Road Comment
  CAS-BOT-BC314930  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1909-5-20 s.n. San Mateo Summit between San Mateo and Crystal Springs Lakes Comment
  CAS-BOT-BC314943  Hemizonia congesta subsp. luzulifolia H. M. Hall 1916-7-13 10225 San Mateo Near Crystal Springs Lake Comment
  UCR66751  Hemizonia corymbosa Edith A. Purer 1933-7-27 5339 San Mateo Central Coast, Pigeon Point 15 Comment
  SEINET11848417  Hemizonia corymbosa E. A. Purer 1933-1 5339 San Mateo Pigeon Point Comment
  POM284876  Hemizonia corymbosa subsp. corymbosa Lyman Benson 1934-7-4 6102 San Mateo Moss Beach; Pacific Ocean watershed 15 Comment
  RSA185016  Hemizonia pungens subsp. maritima L. S. Rose 1965-9-20 65106 San Mateo Burlingame, Trousdale Dr. and California Dr. 9 Comment
  JROH880  Hesperevax sparsiflora var. sparsiflora John H. Thomas 1955-5-6 4980 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH885  Hesperevax sparsiflora var. sparsiflora John H. Thomas 1977-2-20 18469 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH903  Hesperevax sparsiflora var. sparsiflora John Hunter Thomas 1992-5-5 25218 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam and vicinity Comment
  CAS-BOT-BC310246  Hesperevax sparsiflora var. sparsiflora John H. Thomas 1974-4-11 17126 San Mateo To the SE of Canada Road and Edgewood Road. NW of Woodside 152 Comment
  CAS-BOT-BC403870  Hesperocnide tenella James McMurphy 1906-5-14 s.n. San Mateo Above Stanford Residence, San Francisquito Creek 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
  UC1187062  Hesperolinon congestum David D. Keck 1940-5-15 5035 San Mateo e side Upper Crystal Springs Lake 100 Comment
  JROH2922  Hesperolinon micranthum John H. Thomas 1963-5-15 10093 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2928  Hesperolinon micranthum John H. Thomas 1969-6-4 15107 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2935  Hesperolinon micranthum John Hunter Thomas 1983-6-29 22707 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2938  Hesperolinon micranthum John Hunter Thomas 1992-5-25 25342 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1601216  Hesperolinon micranthum Helen K. Sharsmith 1947-6-3 3976 San Mateo near upper Crystal Springs Lake; Outer South Coast Ranges 152 Comment
  CAS-BOT-BC422604  Hesperomecon linearis A. D. E. Elmer 1903-5-1 4594 San Mateo San Bruno Hills Comment
  JROH1647  Heterocodon rariflorum Ann Lambrecht 2009-5-13 37 San Mateo Jasper Ridge Biological Preserve, Stanford University. Just off Trail 10 west of big drainage. Comment
  CAS-BOT-BC148463  Heteromeles arbutifolia John H. Thomas 1969-10-19 15485 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  CAS-BOT-BC148465  Heteromeles arbutifolia J. H. Thomas 1949-10-16 1156 San Mateo Between Skyline Drive and Searsville Lake 304 Comment
  CAS-BOT-BC148468  Heteromeles arbutifolia Margaret A. Barry 1937-6-24 179 San Mateo Exposed slopes on Coal Mine Ridge Comment
  CAS-BOT-BC148473  Heteromeles arbutifolia A. D. E. Elmer 1903-2-1 s.n. San Mateo Portola Comment
  UC860403  Heteromeles arbutifolia Lewis S. Rose 1937-10-31 37726 San Mateo hills w Tanforan 91 Comment
  JROH907  Heterotheca grandiflora John Hunter Thomas 1991-11-21 25110 San Mateo Jasper Ridge Biological Preserve, Stanford University; SLAC corridor Comment
  UCR121560  Heuchera micrantha George K. Helmkamp, E. A. Helmkamp 1999-6-28 4975 San Mateo Pescadero Creek Watershed, Pescadero Road just north of Loma Mar 107 Comment
  CAS-BOT-BC420894  Heuchera micrantha var. diversifolia Margaret A. Barry 1938-5-29 262 San Mateo Corte Madera Creek near Coal Mine Ridge Comment
  CAS-BOT-BC420889  Heuchera micrantha var. diversifolia Kellogg; Brannan 1880-5-31 s.n. San Mateo Redwoods Comment
  CAS-BOT-BC420899  Heuchera micrantha var. erubescens D. E. Breedlove 1973-9-26 35563 San Mateo Pescadero Creek County Park 365 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
  RSA0063101  Heuchera micrantha var. hartwegii L. S. Rose 1941-7-2 41289 San Mateo Kings Mountain. 600 Comment
  CAS-BOT-BC424429  Heuchera pilosissima W. R. Dudley 1900-3-17 s.n. San Mateo By down grade from Montara Mts to San Pedro Comment
  UC897793  Hieracium albiflorum Lewis S. Rose 1939-6-16 39279 San Mateo Kings Mountain 670 Comment
  RSA18499  Hieracium albiflorum C. B. Wolf 1927-7-14 621 San Mateo 1 mile south of summit of Kings Mt on Skyline Drive. Comment
  CAS-BOT-BC55444  Hirschfeldia incana George Oberlander 1949-7-24 290 San Mateo San Francisco Watershed. Grassland about San Andreas Lake. Comment
  CAS-BOT-BC55434  Hirschfeldia incana Ira L. Wiggins 1975-8-5 22174 San Mateo Bed of San Francisquito Creek, ca. 100 m above Pope Street bridge, both sides of Santa Clara--San Mateo line. Comment
  CAS-BOT-BC289249  Holcus lanatus George Oberlander 1949-7-10 262 San Mateo San Francisco Watershed Reserve, south boundary Comment
  SEINET10591390  Holcus lanatus Delzie Demaree 1933-6-12 Demaree 10374 San Mateo Bader Station. S. San Francisco. Small bottom. Comment
  RSA262239  Holodiscus discolor John H. Thomas 1971-5-30 15982 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  CAS-BOT-BC150052  Holodiscus discolor var. discolor W. R. Dudley 1894-7-7 s.n. San Mateo Near Mountain Summit, Bear Gulch Road Comment
  CAS-BOT-BC150062  Holodiscus discolor var. discolor Elizabeth McClintock 1965-6-13 s.n. San Mateo Colma Canyon Comment
  JROH3691  Holodiscus discolor var. discolor John H. Thomas 1974-5-29 17399 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET6205028  Hordeum brachyantherum L. S. Rose 1963-1 63001 San Mateo Skyline Blvd, W of San Mateo Comment
  SJSU15222  Hordeum brachyantherum subsp. brachyantherum Toni Corelli 2011-5-23 704 San Mateo Bean Hollow State Beach, Arroyo de los Frijoles Trail. Coastal bluff top south of Bean Hollow Beach 7 Comment
  SJSU15413  Hordeum brachyantherum subsp. brachyantherum Toni Corelli 2010-5-21 671 San Mateo Pescadero State Beach and Marsh Natural Preserve. North Pond Trail 9 Comment
  UC909372  Hordeum brachyantherum subsp. brachyantherum Ira L. Wiggins 1950-5-20 12352 A San Mateo Pescadero Beach Comment
  JROH5222  Hordeum brachyantherum subsp. californicum John H. Thomas 1975-5-26 17916 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC285148  Hordeum marinum subsp. gussoneanum H. A. Borthwick 1920-6-1 207 San Mateo Santa Cruz Mountain Peninsula. Back of Redwood City Comment
  CAS-BOT-BC285152  Hordeum marinum subsp. gussoneanum W. R. Dudley 1902-4-1 s.n. San Mateo Unspecified 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
  JROH5238  Hordeum marinum subsp. gussoneanum John H. Thomas 1971-5-30 15953 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5251  Hordeum marinum subsp. gussoneanum John Hunter Thomas 1992-5-14 25227 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC289397  Hordeum murinum subsp. glaucum Ira L. Wiggins 1975-4-17 22143 San Mateo NE side of Southern Pacific righ-of-way between San Francisquito Creek and Willow Road, Menlo Park Comment
  RSA181230  Hordeum murinum subsp. leporinum John H. Thomas 1963-5-20 10123 San Mateo Ano Nuevo Island, 1/2 mile off shore and about 20 miles NW of Santa Cruz. 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
  JEPS44582  Horkelia californica Dr. L. M. Newlon 1921-1 250 San Mateo Above Salata to Mussell Rock (Seashore) Comment
Read comments
1
  RSA181227  Horkelia californica John H. Thomas 1964-6-19 10425 San Mateo 0.9 miles S of Tunitas Creek near Coast Hwy, 61 Comment
  SD39947  Horkelia californica Edith A. Purer 1933-7-27 5341 San Mateo High stabilized sand dunes, Pigeon Point Comment
  SEINET5554737  Horkelia californica H. S. Gentry 1931-1 76 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  UCD160238  Hypericum canariense Christopher Dillis 2015-5-15 2 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
  UCD160239  Hypericum canariense Christopher Dillis 2015-5-15 1 San Mateo South of Pescadero on Hwy 1 (Cabrillo Hwy), 400 m south of Highway Brewing Company, then east 200 m on unmarked 1-lane dirt road; 60 m north-northeast of intersection with Old Coast Highway. 200 Comment
  CAS-BOT-BC311393  Hypochaeris glabra John H. Thomas 1955-4-6 4843 San Mateo East facing slope of San Bruno Mountain just north of South San Francisco 91 Comment
  CAS-BOT-BC311395  Hypochaeris glabra Fred Hemphill 1973-5-14 820 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  JROH913  Hypochaeris glabra John H. Thomas 1965-4-28 10596 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH917  Hypochaeris glabra John H. Thomas 1974-4-24 17185 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC311398  Hypochaeris glabra Elizabeth McClintock 1965-6-13 s.n. San Mateo San Bruno Mountain. Colma Canyon Comment
  JROH912  Hypochaeris glabra John H. Thomas 1961-4-29 9187 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC311483  Hypochaeris radicata John H. Thomas 1958-3-19 7057 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco 91 Comment
  CAS-BOT-BC311485  Hypochaeris radicata A. D. E. Elmer 1903-4-1 4861 San Mateo Lake San Andreas Comment
  JROH928  Hypochaeris radicata John H. Thomas 1974-5-3 17237 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD39734  Hypochaeris radicata Edith A. Purer 1933-7-27 5342 San Mateo Pigeon Point Comment
  CAS-BOT-BC311488  Hypochaeris radicata W. R. Dudley 1908-6-19 s.n. San Mateo Santa Cruz Mountain Peninsula. W. of Baden Comment
  JROH5615  Iris douglasiana John Rawlings 2014-4-11 1218 San Mateo Jasper Ridge Biological Preserve, Stanford University; confluence of Bear and San Francisquito creeks just east of the terminus of Trail 20 growing at edge of the steep bank of San Francisquito Creek. 82 Comment
  UCSB880  Iris douglasiana Walker, Clifford 1954-4-20 San Mateo junction of Skyline Blvd and Highway to Half Moon Bay Comment
  CAS-BOT-BC133662  Iris longipetala Alice Eastwood 1918-5-4 s.n. San Mateo San Bruno Hills Comment
  CAS-BOT-BC133672  Iris longipetala Javier Penalosa 1963-3-30 2707 San Mateo North of Randolph Drive at Hillside Blvd. in SSF 91 Comment
  UCSB9341  Iris longipetala Haller, John 1950-4-24 San Mateo 3 miles above Woodside; on road to skyline drive 304 Comment
  CAS-BOT-BC133652  Iris longipetala Elmer I. Applegate 1895-3-3 282 San Mateo Purissima Comment
  POM168923  Iris missouriensis C. F. Baker 1902-3-22 348 San Mateo South San Francisco. Comment
  JROH4430  Iris pseudacorus John H. Thomas 1961-5-5 9221 San Mateo Jasper Ridge Biological Preserve, Stanford University. Swampy area at edge of Searsville Lake Comment
  CAS-BOT-BC112611  Isolepis cernua John Hunter Thomas 1963-7-19 10181 A San Mateo Ano Nuevo Point. Comment
  POM185328  Isolepis cernua E. B. Copeland 1903-6-15 3315 San Mateo Montara Point. 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-BC340136  Jaumea carnosa LeRoy Abrams 1901-9-1 2224 San Mateo Cooley's Landing Comment
  UC1192236  Jaumea carnosa Herbert L. Mason 1949-7-7 14033 San Mateo marshes at mouth Pescadero Creek Comment
  JROH2771  Juglans hindsii John H. Thomas 1976-11-5 18432 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low flow crossing Comment
  JROH2777  Juglans hindsii John Hunter Thomas 1987-4-16 24203 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC352224  Juncus arcticus var. balticus Peter Rubtzoff; Elizabeth McClintock 1989-8-31 10043 San Mateo San Bruno Mountains, near Willow Pond (located near Saddle Trail), ca. 0.15 miles north of junction with Old Guadalupe Trail. Comment
  UCR254888  Juncus balticus Peter Rubtzoff, Elizabeth McClintock 1990-8-31 10045 San Mateo San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction, along old Guadalupe Road, east of Saddle Trail junction 213 Comment
  CAS-BOT-BC173842  Juncus balticus Peter Rubtzoff 1977-5-15 9020 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC173699  Juncus bufonius Peter Rubtzoff 1977-6-7 9029 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  SEINET3877729  Juncus bufonius Kaye H. Thorne, J. Chandler 1986-7-25 4921 San Mateo Half Moon Bay, 2 mi S of Moss Beach at Dune Beach. Sand dunes and beach area adjacent to the Pacific Ocean.; 0 Comment
  JROH5851  Juncus bufonius var. bufonius John Rawlings 2016-5-19 1759 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 2 about 115 meters from wooden trail marker near Preserve boundary fence east of Escobar Gate. 104 Comment
  RSA368183  Juncus bufonius var. bufonius L. S. Rose 1932-6-26 32362 San Mateo Pilarcitos Lake. Comment
  SJSU15798  Juncus bufonius var. bufonius Toni Corelli 2010-6-4 678 San Mateo Cowell Ranch Beach. 33 Comment
  JROH4460  Juncus bufonius var. occidentalis John H. Thomas 1966-4-6 11553 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4463  Juncus bufonius var. occidentalis John H. Thomas 1968-4-19 14303 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4469  Juncus bufonius var. occidentalis John Hunter Thomas 1980-11-27 20188 San Mateo Jasper Ridge Biological Preserve, Stanford University. Delta Comment
  JROH4470  Juncus bufonius var. occidentalis John Hunter Thomas 1983-5-23 22251 A San Mateo Jasper Ridge Biological Preserve, Stanford University. Near shack side and low-flow crossing. Comment
  CAS-BOT-BC173814  Juncus effusus var. brunneus Peter Rubtzoff; Roman Gankin 1975-9-11 8372 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  JEPS121406  Juncus hesperius Toni Corelli 2008-10-1 346 San Mateo Jasper Ridge Biological Reserve, Searsville Lake Comment
  RSA790891  Juncus lescurii Peter Rubtzoff 1976-6-30 8708 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
  JROH4479  Juncus occidentalis John H. Thomas 1967-5-10 12856 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA18448  Juncus patens Carl B. Wolf 1927-6-29 559 San Mateo South of Pebble Beach near Pescadero Comment
  RSA783800  Juncus phaeocephalus var. paniculatus Peter Rubtzoff 1978-7-8 9226 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  SJSU16014  Juncus xiphioides John Rawlings, Ken Hickman 2016-5-26 1811 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
  JROH4038  Kickxia elatine Herbert Dengler 1961-9-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; S.F. Creek bed -- about midway between tiger lily site and old Zoology Cabin site -- directly below nesting sites of Kingfisher and Rough-winged Swallow Comment
  JROH4051  Kickxia spuria John Hunter Thomas 1990-7-28 24937 San Mateo Jasper Ridge Biological Preserve, Stanford University; near main JRBP gate Comment
  JROH5265  Koeleria macrantha H. J. Dengler 1961-4-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Lower serpentine margin of gully on east serpentine near first or east-most enclosure. Comment
  JROH5268  Koeleria macrantha John H. Thomas 1968-5-22 14454 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM347043  Koeleria macrantha Lyman Benson 1935-5-5 6535 San Mateo Lake Searsville; Santa Cruz Mt. Range 152 Comment
  RSA87125  Koeleria macrantha D. D. Keck 1932-5-6 1476 San Mateo Above Millbrae Highlands Comment
  SJSU1653  Koeleria macrantha D. R. Fincher 1955-5-29 San Mateo corner of Canada Road & Edgewood Road, San Mateo 503 Comment
  SEINET12317274  Lachnagrostis filiformis H. E. Wieser 1932-1 s.n. San Mateo Black Mtn road, Hillsborough Hills, near Burlingame Comment
  CAS-BOT-BC340702  Lactuca virosa John Thomas Howell 1954-9-8 30108 San Mateo Skyline Blvd. at San Andreas Lake, 2 miles west of San Bruno Comment
  CAS-BOT-BC341631  Lagophylla ramosissima Margaret A. Barry 1937-6-22 168 San Mateo Coal Mine Ridge Comment
  JEPS20287  Lagophylla ramosissima Lewis S. Rose 1955-9-19 55176 San Mateo 7 mi w of Saratoga; Skyline Boulevard 685 Comment
  JROH958  Lagophylla ramosissima John H. Thomas 1961-4-29 9185 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH960  Lagophylla ramosissima John H. Thomas 1967-6-1 12968 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC337879  Lapsana communis L. R. Abrams 1927-7-20 12179 San Mateo Santa Cruz Mountain Peninsula. La Honda Creek, about 1 mi above La Honda Comment
  CAS-BOT-BC337895  Lasthenia Daniel Cohen 1953-5-9 70 San Mateo At Pescadero Comment
  CHSC24835  Lasthenia californica B. A. Rosene 1976-4-18 2 San Mateo Ca. 2.4 km nw of entrance to Calif. State Game Refuge. 182 Comment
  POM55213  Lasthenia californica A. D. E. Elmer 1903-04 4507 San Mateo San Bruno Hills Comment
  RSA195530  Lasthenia californica John H. Thomas 1966-4-6 11552 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles SW of Palo Alto. Comment
  POM216311  Lasthenia californica D. D. Keck 1933-5-11 2296 San Mateo Montara Light House and Radio Station Comment
  RSA107089  Lasthenia californica L. S. Rose 1956-5-28 56081 San Mateo Skyline Blvd W of San Mateo. 183 Comment
  JEPS98730  Lasthenia californica subsp. californica Raymund Chan 1998-5-9 98031 San Mateo Mori Point Pacifica Comment
  UC1537021  Lasthenia californica subsp. californica Gordon H. True Jr. 1936-6-7 483 San Mateo top of ocean bluff at cove 2 mi. s Pescadero 15 Comment
  UC202790  Lasthenia californica subsp. californica A. D. E. Elmer 1903-4-1 4738 San Mateo San Bruno Hills Comment
  UC517467  Lasthenia californica subsp. californica John Thomas Howell 1933-5-3 11204 San Mateo San Bruno Hills Comment
  JEPS23589  Lasthenia californica subsp. macrantha Adele Lewis Grant 1917-5-6 939 San Mateo Pebble Beach near Pescadero 3 Comment
  RSA262209  Lasthenia glabrata subsp. glabrata John H. Thomas 1971-5-2 15794 San Mateo Near intersection of Canada and Edgewater roads; about 3 miles westward from Redwood City. 152 Comment
  JEPS13751  Lasthenia gracilis Frank W. Gould 1939-5-6 662 San Mateo Comment
  CAS-BOT-BC370795  Lasthenia platycarpha David D. Keck 1932-3-24 1402 San Mateo Redwood City. At border of San Francisco Bay. Comment
  RSA406617  Lathyrus Glenn A. Gorelick 1967-4-14 s.n. San Mateo San Bruno Mountains, overlooking Daly City near San Francisco. Comment
  JROH5875  Lathyrus latifolius Ann Lambrecht 2011-8-2 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 2 between Trail 5 intersection and culvert 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
  SD39834  Lathyrus littoralis Edith A. Purer 1932-7-18 4007 San Mateo Half Moon Bay, sand dunes Comment
  POM87741  Lathyrus vestitus subsp. bolanderi L. R. Abrams 1902-4-13 2342 San Mateo Crystal Springs Lake. Comment
  SEINET11062227 Image available Lathyrus vestitus subsp. bolanderi A. A. Heller 1907-5-28 8583 San Mateo Back of San Mateo on the Half Moon Bay road Comment
  POM163354  Lathyrus vestitus subsp. vestitus R. C. Bacigalupi 1923-5-19 s.n. San Mateo Mt. Hamilton Range. Isabel Creek. Comment
  RSA120413  Lathyrus vestitus subsp. vestitus Josephine Randall 1908-3-22 s.n. San Mateo Corte de Madera Canyon near Alpine Road Comment
  JROH2030  Lathyrus vestitus var. vestitus John H. Thomas 1969-4-12 14883 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH2033  Lathyrus vestitus var. vestitus John Hunter Thomas 1978-4-20 19083 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2039  Lathyrus vestitus var. vestitus John Hunter Thomas 1985-4-11 23518 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  UC1128955  Lathyrus vestitus var. vestitus H. S. Yates 1935-5-8 5203 San Mateo 2 mi n Langley Hill; Santa Cruz Quad. 579 Comment
  CDA31708  Lavatera arborea M. K. Beyers, G. F. Hrusa, P. Woods, D. Orozco 2010-4-17 s.n. San Mateo Brisbane: Underneath northbound Highway 101 exit (426B), adjacent to the Radisson Hotel s parking lot. Approximately, 700 feet northwest of San Francisco Bay s west shores. Comment
  RSA132690  Layia chrysanthemoides Donald A. Johansen 1933-5-27 803 San Mateo Field along Skyline Blvd. at jct of side road leading to Burlingame Comment
  UC935673  Layia chrysanthemoides David D. Keck 1932-4-29 1450 San Mateo Redwood City Comment
  POM298220  Layia chrysanthemoides D. D. Keck 1932-4-29 1450 San Mateo Redwood City. Comment
  CAS-BOT-BC321075  Layia gaillardioides James McMurphy 1907-4-27 s.n. San Mateo Kings Mt. Comment
  CAS-BOT-BC321073  Layia gaillardioides Josephine D. Randall 1907-7-28 89 San Mateo Black Mt. Road near Iverson's. Comment
  CAS-BOT-BC321094  Layia gaillardioides W. R. Dudley 1900-5-19 s.n. San Mateo Santa Cruz Mountain Peninsula, La Honda State Road below Grand View Saloon 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
  UC30641  Layia gaillardioides Ivar Tidestrom 1894-5-1 San Mateo Comment
  JROH988  Layia hieracioides John Hunter Thomas 1980-5-8 19945 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA124759  Layia hieracioides John H. Thomas 1958-5-10 7158 San Mateo Jasper Ridge. About 5 miles SW of Palo Alto. 152 Comment
  RSA152270  Layia hieracioides John H. Thomas 1961-5-7 9307 San Mateo San Bruno Mountain, in northern part of county. 305 Comment
  UC583132  Layia hieracioides Lewis S. Rose 1936-5-28 36309 San Mateo w of Redwood City; Emerald Lake 91 Comment
  CAS-BOT-BC327507  Layia hieracioides L. R. Abrams 1907-8-26 s.n. San Mateo King's Mt., Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC327510  Layia hieracioides W. R. Dudley 1900-5-19 s.n. San Mateo La Honda Stage Road below Grand View Saloon Comment
  CAS-BOT-BC327526  Layia hieracioides C. G. Pringle 1882-7-11 s.n. San Mateo Aptos Comment
  CAS-BOT-BC382089  Layia platyglossa A. D. E. Elmer 1903-4-1 5022 San Mateo Crystal Springs Lake Comment
  SJSU1070  Layia platyglossa C. W. Sharsmith 1951-4-6 5827 San Mateo Woodside Hills c. 3 mi W of Woodside 182 Comment
  UC828912  Layia platyglossa Delzie Demaree 1932-5-8 9101 San Mateo Half-Moon Bay Comment
  CAS-BOT-BC382084  Layia platyglossa J. I. McMurphy 1906-5-8 s.n. San Mateo Santa Cruz Mountain Peninsula: Between Schoolhouse and Head of Crystal Springs Lakes Comment
  SEINET10846229  Layia platyglossa John T. Middleton 1937-4-10 Middleton 83 c San Mateo San Mateo Co., Ca. Comment
  SEINET10879172  Layia platyglossa John T. Middleton 1937-4-10 Middleton s.n. San Mateo San Mateo Co., Ca. Comment
  CAS-BOT-BC266607  Legenere limosa W. R. Dudley 1906-5-22 s.n. San Mateo Santa Cruz Mountain Peninsula. Ponds, Coal Mine Ridge Comment
  CAS-BOT-BC527267  Lemna minuta Ira L. Wiggins 1980-9-1 22271 San Mateo Pool in San Francisquito Creek, ca. 250 m. upstream from Pope Street Bridge, Menlo Park Comment
  CAS-BOT-BC527272  Lemna minuta Carl B. Wolf 1929-4-29 3660 San Mateo 10 miles south of San Franciscot on Skyline Blvd. Comment
  CDA987  Leontodon taraxacoides D. G. Kelch, B. G. Baldwin, Sue Bainbridge, Abigail Moore 2005-6-21 5 .37 San Mateo S.F. Water District land, near Spring Valley. NE corner Pilarcitos Lake. Comment
  CAS-BOT-BC221527  Lepechinia calycina Margaret A. Barry 1937-6-24 193 San Mateo On Coal Mine Ridge Comment
  HSC23973  Lepechinia calycina Mary Katherine Wicksten 1971-6-18 1 San Mateo Huddart Park along Chickadee Nature Trail 244 Comment
  JROH2794  Lepechinia calycina John H. Thomas 1975-6-5 17935 San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack Comment
  UC191843  Lepechinia calycina Edward Lee Greene 1887-6-12 San Mateo San Mateo Comment
  JROH1505  Lepidium didymum Toni Corelli 2004-5-19 275 San Mateo Jasper Ridge Biological Preserve, Stanford University. Road H, West stream bank along fence at Bear Creek crossing 82 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
  JROH1546  Lepidium nitidum John H. Thomas 1977-2-20 18468 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1552  Lepidium nitidum John Hunter Thomas 1983-2-21 21283 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC12782  Lepidium perfoliatum David D. Keck 1932-3-24 1400 San Mateo Redwood City. At border of San Francisco Bay. Comment
  JROH1561  Lepidium strictum John Hunter Thomas 1981-4-7 20296 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lab Comment
  CAS-BOT-BC12953  Lepidium strictum John Thomas Howell 1955-5-5 s.n. San Mateo 700 block of Bromfield Road, Burlingame. Comment
  JROH5275  Leptochloa fusca subsp. uninervia John Hunter Thomas 1980-11-27 20179 San Mateo Jasper Ridge Biological Preserve, Stanford University. Delta in Searsville Lake (formed by Corte Madera Creek). Comment
  CAS-BOT-BC226595  Leptosiphon ambiguus John H. Thomas 1971-5-2 15815 San Mateo Near intersection of Canada Road and Edgewater [Edgewood] Road, about three miles westward from Redwood City 152 Comment
  CAS-BOT-BC226598  Leptosiphon ambiguus C. F. B. 1902-5-4 753 San Mateo Woodside Comment
  JROH5924  Leptosiphon androsaceus Herb Dengler 1970-4-6 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; East serpentine Comment
  OBI43249  Leptosiphon androsaceus Delzie Demaree 1932-4-27 9020 San Mateo Dry fields above Spring Valley Lakes Comment
  RSA18092  Leptosiphon androsaceus C. B. Wolf 1929-4-24 3656 San Mateo south west end of Jasper Ridge, near Searsville Lake Comment
  CAS-BOT-BC226725  Leptosiphon latisectus W. R. Dudley 1901-5-11 s.n. San Mateo Santa Cruz Peninsula. Near Colma Comment
  CAS-BOT-BC226728  Leptosiphon latisectus A. D. E. Elmer 1903-4-1 4746 San Mateo Cemeteries Comment
  JROH3195  Leptosiphon pygmaeus subsp. continentalis H. J. Dengler 1963-5-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA0103659  Leptosiphon rosaceus E. B. Copeland 1903-5-24 3260 San Mateo Montara Point. Comment
  CAS-BOT-BC324060  Lessingia arachnoidea W. R. Dudley 1902-9-21 s.n. San Mateo East of Crystal Springs Reservoir, near fork to Alnus House, Santa Cruz Peninsula Comment
  CAS-BOT-BC324070  Lessingia arachnoidea L. S. Rose 1941-9-6 41434 San Mateo San Mateo Canyon 90 Comment
  CAS-BOT-BC539289  Lessingia arachnoidea John Rawlings; Ken Hickman 2016-7-21 1906 San Mateo Caltrans right-of-way upslope from Hwy 92 W onramp to Hwy 280 N; downslope from San Francisco Watershed fenceline 122 Comment
  JEPS21657  Lessingia arachnoidea W. R. Dudley 1902-9-21 San Mateo near fork to Alms House; Crystal Springs Reservoir Comment
  POM49389  Lessingia arachnoidea L. R. Abrams 1902-9-2 2996 San Mateo Crystal Lake Comment
  UCR70748  Lessingia arachnoidea David D. Keck 1931-10-5 1280 San Mateo San Francisco Bay Region, Crystal Springs Lake, east side 168 Comment
  JROH1015  Lessingia glandulifera var. glandulifera John Hunter Thomas 1977-6-16 18769 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1018  Lessingia glandulifera var. glandulifera John Hunter Thomas 1981-5-19 20608 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC324177  Lessingia hololeuca Ned Cahill 1974-8-26 370 San Mateo near the intersection of Canada and Edgewood roads, about 3 miles westward from Redwood City Comment
  RSA169310  Lessingia hololeuca L. S. Rose 1964-9-5 s.n. San Mateo Emerald Lake, W of Redwood City. 244 Comment
  CAS-BOT-BC330363  Lessingia tenuis David D. Keck 1931-10-5 1276 San Mateo 5 miles from Stanford University Quad. along Los Trancos Creek, on the Portola road. Comment
  UC905072  Leucanthemum vulgare John Thomas Howell 1949-7-4 24356 San Mateo n of Millbrae; Skyline Blvd. Comment
  CAS-BOT-BC342097  Leucanthemum vulgare W. R. Dudley 1908-6-19 s.n. San Mateo Santa Cruz Mountain Peninsula. Hills north of Jersey Farm Dairy W. of Baden Comment
  UCD61335  Leymus californicus P. B. Kennedy 1916-5-7 San Mateo Crocker Estate, Burlingame. Comment
  JEPS71209  Leymus mollis subsp. mollis William S. Cooper 1925-5-28 8 San Mateo Salada Comment
  JROH2986  Ligustrum vulgare John Rawlings 2007-4-11 1052 San Mateo Jasper Ridge Biological Preserve, Stanford University; near the cleared area of private property bordering the Preserve and Corte Madera Creek 115 Comment
  CAS-BOT-BC173819  Lilaea scilloides Peter Rubtzoff 1978-7-8 9224 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  CAS-BOT-BC451670  Lilaea scilloides W. R. Dudley 1900-3-18 s.n. San Mateo Santa Cruz Peninsula. Pond on Jersey Farm Road West of Baden Comment
  RSA10411  Lilaea scilloides Carl B. Wolf 1927-6-15 2163 San Mateo Along Skyline Drive, 8 mi. S of San Francisco. Comment
  SD38189  Limnanthes douglasii Edith A. Purer 1933-5-17 3626 San Mateo Skyline Blvd. above Spring Valley Lakes. Comment
  CDA4898  Limnanthes douglasii subsp. ornduffii T. W. Heinrich 2004-4-21 s.n. San Mateo Adjacent to Highway 1 and immediately east of Half Moon Bay Airport, on Cabrillo Ranch property, Moss Beach. 0 Comment
  JEPS9660  Limosella acaulis Ira L. Wiggins and Roxana S. Ferris 1939-8-2 9294 San Mateo Ano Nuevo Point Comment
  JROH4057  Limosella acaulis John Hunter Thomas 1981-7-12 20709 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4065  Limosella acaulis John Hunter Thomas 1985-8-7 23707 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSC004682  Linanthus androsaceus Randall Morgan 1994-4-13 2181 San Mateo Edgewood Park/Canada Road Comment
  UC133890  Linanthus liniflorus C. F. Baker 1902-5-4 760 San Mateo Woodside Comment
  UC23690  Linanthus liniflorus J. Burtt Davy 1895-4-20 1071 San Mateo Crystal Springs Lake Comment
  SJSU12175  Linaria maroccana V. J. Haley 1985-3-6 San Mateo near El Monte & Moody Rds, Los Altos Hills Comment
  UCR122632  Linum bienne George K. Helmkamp, E. A. Helmkamp 2001-6-2 6764 San Mateo Central Coast, Purissima Road east of Half Moon Bay, 1.9 mi east of CA Hwy 1 168 Comment
  UC198505  Linum usitatissimum Katharine Brandegee 1917-8-29 San Mateo Moss Beach Comment
  CAS-BOT-BC36068  Lithocarpus densiflorus var. densiflorus W. R. Dudley 1900-9-9 s.n. San Mateo La Honda Comment
  CAS-BOT-BC36071  Lithocarpus densiflorus var. densiflorus W. R. Dudley 1893-10-1 s.n. San Mateo Bear Gulch, Sierra Morena Comment
  POM182580  Lithocarpus densiflorus var. densiflorus D. D. Keck 1931-7-5 1262 San Mateo Skyline Boulevard, due E. of La Honda. 610 Comment
  CAS-BOT-BC430776  Lithophragma affine Margaret A. Barry 1937-5-1 52 San Mateo Coal Mine Ridge Comment
  POM142561  Lithophragma affine subsp. affine C. F. Baker 1902-4-4 443 San Mateo Crystal Springs Lake Comment
  UC570868  Lithophragma heterophyllum Herbert L. Mason 1927-4-23 3684 San Mateo along road between La Honda and Pescadero Creek; road between La Honda and Pescadero Creek Comment
  JROH1567  Lobularia maritima John Hunter Thomas 1983-2-21 21284 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC60215  Lobularia maritima Elizabeth McClintock; Paul Reeberg 1988-4-6 s.n. San Mateo San Bruno Mountain. Guadalupe Canyon Parkway. 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-BC342465  Logfia gallica John H. Thomas 1955-4-6 4849 San Mateo East facing slope of San Bruno Mountain just north of South San Francisco 91 Comment
  CAS-BOT-BC342468  Logfia gallica J. H. Thomas 1961-5-14 9388 San Mateo Southern part of San Francisco Watershed Reserve near Roth Estate 152 Comment
  JROH750  Logfia gallica John Hunter Thomas 1992-5-26 25362 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC342473  Logfia gallica Eric Walther 1920-5-1 s.n. San Mateo Woodside Comment
  JROH739  Logfia gallica John Hunter Thomas 1980-5-8 19947 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC283224  Lolium multiflorum John H. Thomas 1971-5-2 15818 San Mateo Near intersection of Canada Road and Edgewater Road, about 3 miles W from Redwood City 152 Comment
  UC1132203  Lolium multiflorum H. S. Yates 1935-5-8 5224 San Mateo 1 mi n Bolsa Pt.; Santa Cruz Quad. Comment
  UCD66190  Lolium multiflorum J. M Tucker; W. A. Harvey 1948-6-28 1700 San Mateo Ca. 3 miles north of Pescadero. Comment
  RSA6410  Lolium perenne D. D. Keck 1932-5-6 1474 San Mateo Millbrae Highlands Comment
  JROH256  Lomatium dasycarpum subsp. dasycarpum John H. Thomas 1958-5-10 7145 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH261  Lomatium dasycarpum subsp. dasycarpum John H. Thomas 1967-6-1 12969 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH264  Lomatium dasycarpum subsp. dasycarpum John H. Thomas 1973-4-20 16582 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH257  Lomatium dasycarpum subsp. dasycarpum John H. Thomas 1963-3-2 10027 San Mateo Jasper Ridge Biological Preserve, Stanford University; north side of ridge near Westridge end Comment
  CHSC65248  Lomatium dasycarpum subsp. tomentosum A. D. E. Elmer 1903-4-1 San Mateo Crystal Springs Lake. Comment
  JROH282  Lomatium utriculatum John Hunter Thomas 1981-5-25 20640 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1666  Lonicera hispidula John Hunter Thomas 1992-7-24 25382 San Mateo Jasper Ridge Biological Preserve, Stanford University; causeway and boat launching ramp Comment
  CAS-BOT-BC243961  Lonicera involucrata var. ledebourii John H. Thomas 1967-5-2 12802 San Mateo About 1/4 mile up Market Street from new school in canyon, San Bruno Mountain Comment
  UC1125280  Lonicera involucrata var. ledebourii N. K. Carlson 1935-6-28 96 San Mateo 2 1/2 mi e Pigeon Point; Santa Cruz Quadrangle Comment
  UC1321328  Lotus benthamii R. F. Hoover 1964-9-10 9290 San Mateo between Pedro Point and Montara; Devils Slide Comment
  CHSC57081  Lotus corniculatus Steven Triano 1988-5-24 195 San Mateo Located ca 750 ft s of Hwy. 1 and 2.9 mi s of Pigeon Point Light Station. Comment
  SBBG25074  Lotus corniculatus D. Myrick 1966-6-11 1448 San Mateo near Pescadero off Hwy 1 Comment
  UC729630  Lotus formosissimus Carl B. Wolf 1929-5-10 3703 San Mateo s of Pescadero; Pigeon Pt. 30 Comment
  UC1004320  Lotus tenuis W. A. Post Jul 1955 San Mateo Burlingame Comment
  RSA788951  Lotus tenuis Peter Rubtzoff 1976-6-13 8631 San Mateo San Bruno Mountains. Saddle area on N side of Guadalupe Canyon Parkway, west of Radio Road junction, margin of marshy area NW of Fog Forest. Comment
  UC202829  Lotus wrangelianus A. D. E. Elmer 1903-5-1 4741 San Mateo Belmont Comment
  POM276637  Lotus wrangelianus Lyman Benson 1930-5-1 2052 San Mateo Stanford University. 107 Comment
  UCR240782  Lupinus T. B. Salvato, Lia V. D. Mansfield, Joel-Henry J. Mansfield 2008-6-14 3514 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-BC195785  Lupinus albifrons var. albifrons Charles Piper Smith 1922-4-22 3495 San Mateo Belmont, Half Moon Bay road Comment
  CAS-BOT-BC195815  Lupinus albifrons var. albifrons L. R. A. 1902-4-13 2340 San Mateo San Mateo Canon [Canyon] Comment
  CAS-BOT-BC195818  Lupinus albifrons var. albifrons C. F. B. 1902-3-22 341 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC195783  Lupinus albifrons var. albifrons Charles Piper Smith 1948-4-23 48144 San Mateo Sharps Park cutoff, 1/2 mile east Comment
  CAS-BOT-BC195788  Lupinus albifrons var. albifrons Charles Piper Smith 1946-7-15 46373 San Mateo Belmont, Vanderlaan Summit Comment
  CAS-BOT-BC195813  Lupinus albifrons var. albifrons W. R. Dudley 1894-4-21 s.n. San Mateo Ravine of San Mateo Creek 3 miles above town Comment
  CAS-BOT-BC196117  Lupinus albifrons var. collinus M. S. Jussel 1931-4-18 s.n. San Mateo Colma Canyon Comment
  CAS-BOT-BC196131  Lupinus albifrons var. collinus Alice Eastwood 1914-3-12 3759 San Mateo San Bruno Hills Comment
  SEINET10871208  Lupinus albifrons var. flumineus Charles Piper Smith 1946-3-26 Smith 46115 San Mateo Hwy 5, san francisco co jail road n Comment
  SBBG25081  Lupinus arboreus D. Myrick 1966-6-11 1447 San Mateo near Pescadero along Hwy 1 S of San Francisco Comment
  UCR122975  Lupinus arboreus George K. Helmkamp, E. A. Helmkamp 2001-6-2 6797 San Mateo Central Coast, Purissima Creek Rd., 0.9 mi from Calif. Hwy 1(junction about 4 mi south of Half Moon Bay) 91 Comment
  RSA10284  Lupinus arboreus var. arboreus H. A. Barker 1927-5-14 665 San Mateo North of Half Moon Bay. Comment
  RSA6289  Lupinus arboreus var. arboreus D. D. Keck 1932-5-11 1767 San Mateo Two miles north of San Gregorio. 15 Comment
  UC2049881  Lupinus bicolor H. W. Johansen 1955-4-9 29 San Mateo Jones Gulch, 5 miles S of La Honda. Comment
  SEINET12154472  Lupinus bicolor Unknown 1932-1 9116 San Mateo Half Moon Bay Comment
  CAS-BOT-BC8211  Lupinus bicolor var. pipersmithii C. P. Smith 1908-4-13 1403 San Mateo Stanford University, near Cedro Cottage Comment
  SEINET10484980  Lupinus bicolor var. umbellatus Walter Knight, Irja Knight 1965-3-28 Knight 975 San Mateo From flower garden adjacent to april brook. In grassy area. Comment
  UC201950  Lupinus formosus Inez Ray Smith 1915-5-27 723 San Mateo Redwood Comment
  JROH2120  Lupinus latifolius var. latifolius John H. Thomas 1964-4-19 10331 San Mateo Jasper Ridge Biological Preserve, Stanford University; at Searsville end of ridge Comment
  JROH2123  Lupinus latifolius var. latifolius John H. Thomas 1977-4-29 18575 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC15897  Lupinus latifolius var. latifolius Alice Eastwood May 1896 San Mateo Crystal Springs Comment
  SD27830  Lupinus menziesii Carl B. Wolf 1929-5-17 3712 San Mateo Alpine Road east of Skyline Blvd. 305 Comment
  UC127041  Lupinus microcarpus var. microcarpus J. Burtt Davy Jun 21 1893-Jun 23 1893 1151 San Mateo Pilarcitos Lake and Canyon Comment
  HSC103498  Lupinus microcarpus var. microcarpus Thomas W. Nelson, Jane Nelson 1981-4-28 6460 San Mateo Along roadside, ~100 yds, E of junction of State Route 280 & 92. Comment
  JROH2129  Lupinus nanus John H. Thomas 1975-4-19 17801 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2133  Lupinus nanus John H. Thomas 1978-4-8 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5565  Lupinus nanus John Rawlings 2013-4-19 1147 San Mateo Jasper Ridge Biological Preserve, Stanford University; south edge of Rd B along the northeast base of the powerline hillock 91 Comment
  JROH5865  Lupinus nanus John H. Thomas 1975-4-5 17716 B San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC15978  Lupinus nanus Ivar Tidestrom May 1894 San Mateo Comment
  SEINET10903591  Lupinus nanus subsp. latifolius Charles Piper Smith 1947-4-25 Smith 47188 San Mateo Pebble beach (pescadero), hwy 1. Comment
  SEINET10490840  Lupinus nanus subsp. nanus P. Wheeler 1965-6-19 Wheeler UMO 103951 San Mateo Crocker industrial park. Comment
  POM10635  Lupinus polycarpus C. F. Baker 1903-4-8 1931 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC157981  Lupinus polycarpus Peter Rubtzoff 1979-7-26 9296 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. In upper par to fEast Fork Colma Creek canyon area Comment
  POM11080  Lupinus succulentus A. D. E. Elmer 1903-04 5021 San Mateo Portola. Comment
  UC201953  Lupinus succulentus A. D. E. Elmer June, 1903 4681 San Mateo San Pedro Comment
  SEINET10870826  Lupinus vallicola subsp. apricus Charles Piper Smith 1946-3-26 Smith 46118 San Mateo Woodside, 2.3 m N. Comment
  POM181506  Lupinus variicolor H. F. Copeland 1928-2-25 983 San Mateo Montara. Comment
  RSA134069  Lupinus variicolor W. R. Dudley 1900-3-17 s.n. San Mateo Grade south side Montara Mts. Comment
  SEINET10489088  Lupinus variicolor Elizabeth M. McClintock 1963-6-9 McClintock 134 San Mateo San bruno mtn. Exposed slopes below top of mtn. Comment
  SEINET10969935  Lupinus variicolor Smith 1947-4-25 Smith 47180 San Mateo Skyline hwy 5, 1.4 mi s of old hwy 1 jct. Comment
  SEINET12154796  Lupinus variicolor E. H. Graham 1931-1 6923 San Mateo Ano Nuevo Pt, S of San Francisco Comment
  SJSU15904  Luzula comosa var. comosa John Rawlings, Sara Timby, Toni Corelli 2016-4-23 1729 San Mateo Bean Hollow bluff trail, west of Hwy 1 south of Pescadero 8 Comment
  CAS-BOT-BC210034  Luzula subsessilis Peter Rubtzoff 1978-4-2 9151 San Mateo San Bruno Mtns. Saddle area on N side of Guadalupe Canyon Parkway west of Radio Road junction, on E rim of East Fork Colma Creek Canyon Comment
  JROH4165  Lycopersicon esculentum John Hunter Thomas 1981-10-25 20767 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5568  Lysimachia arvensis John Rawlings 2013-4-19 1151 San Mateo Jasper Ridge Biological Preserve, Stanford University. South edge of Trail 11 in chaparral. 145 Comment
  JROH2951  Lythrum hyssopifolia John Hunter Thomas 1979-9-9 19715 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC19773  Lythrum hyssopifolia J. Burtt Davy 1893-6-17 777 San Mateo Belmont Comment
  RSA0011331  Lythrum hyssopifolia Josephine Randall 1907-6-29 244 San Mateo Kings Mt. Road; Santa Cruz Peninsula. Comment
  UCD103044  Lythrum hyssopifolia Malcolm A. Nobs; S. Galen Smith 1949-8-26 1578 San Mateo 1 mile S of Hal Moon Bay. Comment
  JEPS79507 Image available Lythrum salicaria Edward Lee 1978-8-24 San Mateo Princeton Marsh Comment
  CAS-BOT-BC343909  Madia elegans Carl B. Wolf 1929-5-17 3713 San Mateo 1 mi. w. of Skyline Blvd. on Alpine Road 304 Comment
  UC501405  Madia elegans David D. Keck 1932-6-18 1979 San Mateo sw of Stanford University (Skyline Blvd at Langley Hill); Castle Rock Ridge 609 Comment
  CAS-BOT-BC343904  Madia elegans Barrett Anderson 1986-8-12 3252 San Mateo Crystal Springs Rd at Skyline Blvd. 92 Comment
  POM362144  Madia elegans subsp. elegans E. A. Purer 1933-8-13 5421 San Mateo Santa Clara Valley, near Belmont Comment
  CAS-BOT-BC344491  Madia exigua D. E. Breedlove 1974-5-13 36227 San Mateo Slopes San Pedro Valley Park, Pacifica 152 Comment
  JEPS20312  Madia exigua Lewis S. Rose 1956-5-28 56083 San Mateo hills w Redwood City; Emerald Lake 182 Comment
  JROH1045  Madia exigua D. E. Breedlove 1971-5-31 19383 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH1048  Madia exigua John H. Thomas 1977-4-29 18570 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC344486  Madia exigua H. A. Dutton 1900-5-6 s.n. San Mateo Santa Cruz Mountain Peninsula. Woodside Comment
  JROH1087  Madia gracilis John Hunter Thomas 1986-5-1 23997 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1090  Madia gracilis John Hunter Thomas 1987-5-19 24295 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1093  Madia gracilis John Hunter Thomas 1988-5-25 24488 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low flow crossing Comment
  UC917256  Madia gracilis W. A. Harvey and J. M. Tucker 1948-6-29 1703 San Mateo beside road to, just w of junction with Highway 5 Portola State Park; Skyline Boulevard Comment
  CAS-BOT-BC345127  Madia sativa D. E. Breedlove 1973-9-26 35554 San Mateo Pescadero Creek County Park 365 Comment
  CAS-BOT-BC353475  Madia sativa Peter Rubtzoff 1979-7-26 9301 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. Comment
  JROH1099  Madia sativa John H. Thomas 1967-11-5 14132 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1106  Madia sativa John Hunter Thomas 1981-7-24 20726 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1112  Madia sativa John Hunter Thomas 1983-7-7 22828 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM49380  Madia sativa L. R. Abrams 1901-9-1 2227 San Mateo Menlo Park Comment
  CAS-BOT-BC510724  Maianthemum dilatatum John H. Thomas 1963-9-11 10266 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC511332  Maianthemum dilatatum John H. Thomas 1961-5-7 9288 San Mateo San Bruno Mountain in northern part of county 396 Comment
  RSA175256  Maianthemum dilatatum Robert F. Thorne, Percy C. Everett 1963-6-9 32216 San Mateo On Kamchatka Point near TV tower on San Bruno Mountain. 335 Comment
  JROH4703  Maianthemum stellatum John H. Thomas 1964-4-19 10326 San Mateo Jasper Ridge Biological Preserve, Stanford University. Area below dam in among redwoods near creek Comment
  JROH4709  Maianthemum stellatum John Hunter Thomas 1977-6-16 18746 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4714  Maianthemum stellatum John Hunter Thomas 1985-4-22 23545 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA176415  Maianthemum stellatum John H. Thomas 1964-4-19 10326 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Area below dam. Comment
  CAS-BOT-BC514156  Maianthemum stellatum H. A. Lewis 1908-4-1 s.n. San Mateo Los Trancos Woods Comment
  CAS-BOT-BC514166  Maianthemum stellatum George Oberlander 1950-3-18 513 San Mateo Pilarcites Canyon Comment
  CAS-BOT-BC514171  Maianthemum stellatum Elizabeth McClintock 1965-3-28 s. n. San Mateo In Trillium Gulch, San Bruno Mountain Comment
  HSC16067  Malacothamnus fasciculatus J. Wendell Howe 1930-6-5 186 San Mateo Coast range W Palo Alto Comment
  JROH2962  Malacothamnus fasciculatus D. E. Breedlove 1971-5-31 19352 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
  JROH2965  Malva nicaeensis John H. Thomas 1970-7-5 15672 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2968  Malva nicaeensis John Hunter Thomas 1980-5-20 19980 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD116691  Malva pseudolavatera John Thomas Howell 1968-5-26 44502 San Mateo Burlingame. Comment
  CHSC39807  Marah fabacea Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  RSA440955  Marah fabacea Glenn A. Gorelick 1967-4-14 s.n. San Mateo San Bruno Mts. overlooking Daly City near San Francisco. Comment
  RSA15241  Marah fabacea C. B. Wolf 1927-2-17 202 San Mateo Los Trancos Creek, 2 miles back of Stanford University. Comment
  UC517461  Marah fabacea John Thomas Howell 1933-4-9 10970 San Mateo between Pescadero and Pigeon Pt. Comment
  UC129177  Marah oregana Miss Harriet A. Walker 1909-5-8 1681 San Mateo Milbrae Comment
  UC34926  Marah oregana E. R. Drew 1888-4-12 San Mateo San Pedro Ranch Comment
  UC635685  Marah oregana H. L. Mason 1927-4-23 3681 San Mateo between La Honda and Pescadero Creek Comment
  JROH618  Matricaria discoidea John H. Thomas 1975-4-19 17793 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH622  Matricaria discoidea John Hunter Thomas 1981-5-8 20566 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH626  Matricaria discoidea John Hunter Thomas 1989-5-9 24700 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC348192  Matricaria discoidea George Oberlander 1949-4-9 26 San Mateo San Francisco Watershed Reserve. San Andreas Valley Comment
  JROH2169  Medicago polymorpha John H. Thomas 1975-4-19 17792 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2160  Medicago polymorpha John H. Thomas 1957-4-16 6659 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC157960  Medicago polymorpha var. polymorpha Peter Rubtzoff 1978-7-8 9235 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction Comment
  POM319880  Melica californica Barbara Shervanick 1973-4-1 795 San Mateo San Bruno Mt. first summit on Crocker Road; Mt. Range: San Bruno Mountains; Drainage Area: San Francisco Bay. Comment
  UCD87172  Melica californica Ogden C. Riddle 1941-4-6 74 San Mateo Near Half Moon Bay, Finney Ridge. 243 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
  CAS-BOT-BC264186  Melica subulata L. R. Abrams 1915-6-14 5560 San Mateo Kings Mountain Road, first bridge Comment
  JROH2184  Melilotus indicus John H. Thomas 1970-7-5 15674 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM284512  Melissa officinalis Lyman Benson 1937-7-15 8456 San Mateo Upper San Francisquito Creek, Santa Cruz Mountains; San Francisco Bay watershed. 244 Comment
  RSA132455  Mentha pulegium John H. Thomas 1959-8-22 8079 San Mateo Jasper Ridge, about 5 miles SW of Palo Alto 152 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
  JROH5838  Mentha suaveolens Ann Lambrecht 2007-8-15 30 San Mateo Jasper Ridge Biological Preserve, Stanford University; Corte Madera Creek Comment
  OBI4715  Mercurialis annua T. C. Fuller 1960-6-23 4542 San Mateo E fence line, Sanchez Abode House, S side of Linda Mar Blvd, Pedro Valley Comment
  CDA4874  Mercurialis annua T. C. Fuller 1967-8-23 16293 San Mateo Coastways Ranch, 0.2 mile east of the Coast Highway (Hwy 1), 0.2 mile north of the county line of Santa Cruz Co., 0 Comment
  POM177324  Mercurialis annua L. R. Abrams, I. L. Wiggins, D. Abrams 1930-11-13 I 80 San Mateo Artichoke field 3 mi. S. of Rockaway Beach (Pedro Valley). Comment
  CAS-BOT-BC428899  Micranthes californica Ira L. Wiggins 1929-3-23 3369 San Mateo Road to Mud Lake, near Stanford University. Comment
  JROH3906  Micranthes californica John H. Thomas 1973-3-12 16483 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC348570  Micropus californicus var. californicus John H. Thomas 1971-5-2 15843 San Mateo Near intersection of Canada Road and Edgewater Road, about three miles westward from Redwood City 152 Comment
  CAS-BOT-BC348581  Micropus californicus var. californicus Margaret A. Barry 1937-4-21 9 San Mateo On Coal Mine Ridge Comment
  UC1594161  Microseris bigelovii Jerry Powell 1991-6-1 1603 San Mateo Edgewood County Park Comment
  CAS-BOT-BC348721  Microseris bigelovii John H. Thomas 1963-5-20 10146 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  CAS-BOT-BC349019  Microseris douglasii subsp. douglasii A. D. E. Elmer 1903-5-1 4721 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC349025  Microseris douglasii subsp. douglasii A. D. E. Elmer 1903-5-1 4721 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC349028  Microseris douglasii subsp. douglasii Ned Cahill 1974-4-29 202 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JROH1142  Microseris douglasii subsp. douglasii John H. Thomas 1966-4-21 11562 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1148  Microseris douglasii subsp. douglasii John Hunter Thomas 1987-5-5 24249 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC349023  Microseris douglasii subsp. douglasii K. L. Chambers 1953-5-12 463 San Mateo 3.2 mi. n. of Woodside on road to Crystal Springs Lake (Crystal Springs Lake road). [Locality info from collection label and voucher label combined.] Comment
  POM289996  Microseris douglasii subsp. douglasii Arthur L. Cohen 1935-4-21 621 San Mateo Jasper Ridge, San Francisquito Creek. 122 Comment
  CAS-BOT-BC349140  Microseris douglasii subsp. tenella Kenton L. Chambers 1953-5-5 457 San Mateo Bayshore Hwy., 1.5 mi. n. of Dumbarton Bridge Road intersection Comment
  JROH4068  Mimulus aurantiacus var. aurantiacus W. R. Dudley 1893-7-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lake Comment
  JROH4072  Mimulus aurantiacus var. aurantiacus John H. Thomas 1974-5-29 17405 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4075  Mimulus aurantiacus var. aurantiacus John Hunter Thomas 1978-4-20 19095 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM5073  Mimulus aurantiacus var. aurantiacus Stewart H. Burnham 1894-4-21 s.n. San Mateo [Unspecified] Comment
  RSA130970  Mimulus aurantiacus var. aurantiacus W. R. Dudley 1895-6-14 s.n. San Mateo Top of ridge near Searsville Dam. Comment
  UC1063401  Mimulus aurantiacus var. aurantiacus H. S. Yates 1935-2-3 5013 San Mateo 1/2 mi se Pigeon Pt.; Santa Cruz Quadrangle Comment
  JROH4078  Mimulus cardinalis John H. Thomas 1961-6-14 9544 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  POM5152  Mimulus cardinalis A. D. E. Elmer 1903-07 4941 San Mateo Lake San Andreas. Comment
  SBBG33480  Mimulus guttatus A. D. E. Elmer -Aug-1903 4857 San Mateo Crystal Springs Lake Comment
  UC306607  Mimulus guttatus A. D. E. Elmer April, 1903 4857 San Mateo Crystal Springs Lake Comment
  JROH4086  Mimulus guttatus Duncan M. Porter 1961-4-8 750 San Mateo Jasper Ridge Biological Preserve, Stanford University; below large meadow on crest of ridge Comment
  UCD122861  Mimulus primuloides Clyde Elmore 1967-9-14 s.n. San Mateo The Sequoias (Lutheran retirement community), off Portola Road, Woodside. Comment
  UC204185  Minuartia douglasii A. D. E. Elmer April, 1903 5042 San Mateo San Bruno Hills Comment
  CAS-BOT-BC214066  Monardella villosa Phillip C. Wheeler 1965-6-19 s.n. San Mateo Canyon east of quarry, San Bruno Mountain Comment
  CAS-BOT-BC214071  Monardella villosa Charles Piper Smith 1908-5-31 1444 San Mateo San Mateo Canyon Comment
  CAS-BOT-BC214080  Monardella villosa Margaret A. Barry 1937-6-22 158 San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC214090  Monardella villosa Alice Eastwood; John Thomas Howell 1939-6-30 7436 San Mateo Los Trancos Creek near Stanford University Comment
  CAS-BOT-BC220661  Monardella villosa H. A. Dutton 1900-2-4 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  RSA18315  Monardella villosa Carl B. Wolf 1927-7-14 596 San Mateo Summit of Kings Mt. at junction with Skyline Drive Comment
  UC1041059  Monardella villosa subsp. franciscana J. W. Congdon 1901-7-7 San Mateo Road Millbrae to Spring Valley Comment
  CDA40773  Monardella villosa subsp. franciscana G. D. Barbe 1974-6-4 1825 San Mateo Middle Fork San Pedro Creek, southeast of Oddstad Boulevard, Linda Mar District. Coastal part of county. 0 Comment
  SEINET10869827 Image available Monardella villosa subsp. franciscana Adolph D. E. Elmer Elmer 4766 San Mateo Comment
  SEINET10928196  Monardella villosa subsp. franciscana A. Graff 1993-6-14 Graff 6 San Mateo 0.6 miles down Bean Hollow Road from its intersection with Pescadero Road, along right road cut. Windy, exposed, dry, steep, rocky cuts. Locally infrequent, with Artemisia californica, Baccharis pilularis, Mimulus aurantiacus, Eriophyllum stachaedifolium, Anaphalis margaritacea, Dudleya sp., Scrophularia californica, Eriogonum sp., grasses. Comment
  JEPS127892  Monardella villosa subsp. villosa Adam C. Schneider with C. Matt Guilliams and Will Freyman 2013-6-24 306 San Mateo Crystal Springs Reservoir Comment
  SEINET892710  Monardella villosa var. franciscana G. K. Helmkamp, E. A. Helmkamp 1999-1 4991 San Mateo Pescadero Crk. Watershed: Bean Hollow Rd. 0.3 miles S of Pescadero Rd. (SW of Pescadero). Slopes abov Butano Crk. (Pigeon Pt.) 60 Comment
  JROH1156  Monolopia gracilens Herb Dengler 1963-5-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC444951  Montia fontana Evelina Cannon 1895-4-9 s.n. San Mateo South San Francisco Comment
  JROH3356  Montia fontana Ann Lambrecht 2005-3-2 15 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 15 at low point in swale between Vestal's exclosure and Area H Comment
  CAS-BOT-BC445196  Montia parvifolia W. R. Dudley 1903-6-6 s.n. San Mateo Santa Cruz Peninsula. On Pescadero Cr. below Peter's Cr. Comment
  UC672605  Morella californica Herbert L. Mason 1927-4-23 3694 San Mateo Pescadero Creek near Bloomquist Mill Comment
  CAS-BOT-BC508579  Muilla maritima John H. Thomas 1967-5-2 12817 San Mateo Along Skyline Blvd., 0.4 mile south of Black Mt. intersection, Hillsborough Comment
  UC1252098  Myosotis latifolia J. H. Thomas 1955-3-18 4687 San Mateo 5 mi. up Tunitas Creek Rd. from coast 304 Comment
  CAS-BOT-BC166663  Myosotis latifolia Peter Rubtzoff 1977-4-16 8949 San Mateo San Bruno Mountains. Comment
  JROH1398  Myosotis latifolia John Hunter Thomas 1983-4-5 21326 San Mateo Jasper Ridge Biological Preserve, Stanford University; low-flow crossing 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-BC101771  Myrica californica John H. Thomas 1976-10-7 18394 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 30 Comment
  CAS-BOT-BC101776  Myrica californica Ira L. Wiggins 1929-5-10 3678 San Mateo Roadside between Pigeon Point and Pescadero Comment
  CAS-BOT-BC166773  Myrica californica Peter Rubtzoff 1976-10-5 8907 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  JROH2978  Myrtus communis John H. Thomas 1967-6-1 12980 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSB279  Najas guadalupensis McPherson, D. 1960-08 San Mateo Felt Lake; Stanford University foothills Comment
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1
  CAS-BOT-BC260023  Nassella lepida John Thomas Howell 1952-5-28 28316 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC260025  Nassella lepida M. E. Lang May, [1913 or 1923] s.n. San Mateo Mud Lakes Comment
  CAS-BOT-BC260231  Nassella pulchra Lewis S. Rose 1956-5-7 56071 San Mateo Skyline Boulevard W of San Mateo 182 Comment
  UC306628  Nassella pulchra A. D. E. Elmer June, 1903 4712 San Mateo Crystal Springs Lake Comment
  UCD37962  Nassella pulchra Beecher Crampton 1962-6-11 6502 San Mateo San Mateo County, Sharp park suburb of pacifica, Moris' Point Road, west of State Highway 1. Comment
  SEINET10496814  Navarretia atractyloides Mary Susan Taylor 1978-8-30 Taylor 1871 San Mateo Comment
  JROH3198  Navarretia heterodoxa John Pelton 1958-6-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3200  Navarretia heterodoxa John H. Thomas 1969-5-28 15088 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC856873  Navarretia heterodoxa Lewis S. Rose 1941-6-12 41269 San Mateo hills w Redwood City; Emerald Lake 121 Comment
  CHSC28674  Navarretia squarrosa M. S. Taylor 1978-7-31 1871 San Mateo Ano Nuevo State Reserve. 0 Comment
  JROH3209  Navarretia squarrosa John H. Thomas 1973-6-10 16815 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS48591  Navarretia squarrosa James G. Daly 1934-1 382 San Mateo near road to La Honda (San Gregorio watershed, on ridge of Santa Cruz Mts., sw San Mateo County); Santa Cruz Mts., San Gregorio Comment
  JROH3214  Navarretia squarrosa John Hunter Thomas 1977-6-16 18760 San Mateo Jasper Ridge Biological Preserve, Stanford University. Weedy area near old racing oval. Comment
  UCSC000592  Navarretia squarrosa N. K. Carlson 1935-6-29 106 San Mateo 1 mile S. of Pescadero Pescadero 91 Comment
  JROH2755  Nemophila John Hunter Thomas 1992-4-7 25130 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Indian grinding rock. Comment
  SD38536  Nemophila menziesii Janet Turner 1933-4-19 3728 San Mateo Above Emerald Lake Comment
  JROH2737  Nemophila menziesii var. menziesii D. D. Davis 1903-4-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Ridge Comment
  CAS-BOT-BC219474  Nemophila parviflora Alice Eastwood 1922-5-27 11325 San Mateo La Honda Comment
  CAS-BOT-BC219479  Nemophila parviflora B. S. Miller 1959-5-2 34 San Mateo Alpine Road 243 Comment
  JROH2746  Nemophila parviflora var. parviflora John Rawlings 2007-4-1 1062 San Mateo Jasper Ridge Biological Preserve, Stanford University. Rock outcrop in dry creek bed forming NW border of the Herb Dengler Transect. 73 Comment
  RSA15282  Nemophila parviflora var. parviflora Carl B. Wolf 1927-4-3 249 San Mateo 1 mile above La Honda. Santa Cruz Mountains. Comment
  CAS-BOT-BC140425  Oemleria cerasiformis A. D. E. Elmer 1903-3-1 4579 San Mateo Woodside Comment
  CAS-BOT-BC140428  Oemleria cerasiformis Margaret A. Barry 1938-5-1 s.n. San Mateo On Coal Mine Ridge Comment
  CAS-BOT-BC140442  Oemleria cerasiformis John H. Thomas 1967-2-9 12400 San Mateo San Bruno, near intersection of Skyline Blvd. and Berkshire Dr. Comment
  JEPS44826  Oemleria cerasiformis W. L. Jepson 1922-3-19 9542 San Mateo Lake San Andreas 182 Comment
  UC555631  Oemleria cerasiformis Herbert L. Mason 1927-4-23 3693 San Mateo near Pescadero Creek (along La Honda road) Comment
  JROH283  Oenanthe sarmentosa James McMurphy 1906-8-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Comment
  JROH287  Oenanthe sarmentosa John Hunter Thomas 1979-6-12 19589 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  RSA301273  Oenothera Andrew R. Moldenke 1975-9-6 3419 San Mateo Pigeon Point Comment
  UCSC004918  Oenothera elata Monica Larenas 1985-6-1 22 San Mateo Hwy 1, 1 mi N of Bean Hollow Comment
  JEPS86212  Orobanche californica subsp. californica L. R. Heckard Sep 1970 2463 San Mateo Ocean bluffs to south of South parking lot at Bean Hollow State Beach. Comment
  UC1076287  Orobanche californica subsp. californica Herbert L. Mason 1927-7-28 3983 San Mateo Pigeon Point. Comment
  UC1215057  Orobanche californica subsp. californica Richard Snow 1959-9-20 887 San Mateo Pigeon Point. Comment
  CAS-BOT-BC499690  Orobanche californica subsp. californica Helen D. Geis 1901-10-26 s.n. San Mateo Half Moon Bay Comment
  JROH5801  Orobanche fasciculata John Rawlings 2017-6-12 2102 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 12 on bank just west of first footbridge. 108 Comment
  UC1125589  Orobanche fasciculata C. J. Kraebel 1934-4-15 8 San Mateo Head of Pescadero Creek. Santa Cruz Quad. Comment
  CAS-BOT-BC502962  Orobanche vallicola James McMurphy 1906-8-6 s.n. San Mateo Searsville Lake Comment
  RSA402011B  Orthocarpus erianthus Glenn A. Gorelick 1967-4-15 s.n. San Mateo San Bruno Mts. overlooking Daly City near San Francisco. Comment
  RSA130958  Orthocarpus erianthus var. erianthus Hester R. Davis 1920-4-8 s.n. San Mateo Near San Francisquito Creek. Comment
  RSA195661  Orthocarpus erianthus var. erianthus John H. Thomas 1967-5-2 12823 San Mateo Along Canada Road, about 1.6 miles SE of the Edgewood Rd. intersection. Woodside. Comment
  RSA516520  Orthocarpus floribundus W. L. Jepson 1919-4-19 8231 San Mateo S San Francisco. Comment
  RSA402039A  Orthocarpus lithospermoides Francis W. Pennell, D. D. Keck 1940-5-15 25413 San Mateo Emerald Lake, above Redwood City. 46 Comment
  JROH300  Osmorhiza berteroi John Hunter Thomas 1987-4-30 24216 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA120752  Oxalis oregana S. S. Tillett, I. Sternback 1956-6-24 524 San Mateo Middleton property, behind (N.) Portola Camp Store, just outside Portola State Park. 396 Comment
  UC2049874  Oxalis oregana H. W. Johansen 1955-4-3 11 San Mateo Jones Gulch, 5 miles S of La Honda Comment
  JROH3092  Oxalis oregana M. N. Paulson 1915-4-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA15276  Oxalis oregana Carl B. Wolf 1927-4-3 242 San Mateo 1 mile above La Honda. Santa Cruz Mountains. Comment
  UCSB24631  Oxalis oregana Masere, Ann 1967-3-21 San Mateo Butano Creek in Butano Canyon, 3.3 miles east of junction of Cloverdale Road and Canyon Road on Canyon Road 106 Comment
  RSA76963  Oxalis pes-caprae Mabel Peirson 1926-2-24 8218 San Mateo South of Colma Comment
  UCD111005  Oxalis pilosa J. D. Skoss 1948-8-22 129 San Mateo San Vicente Canyon near Montara. Comment
  CAS-BOT-BC253858  Panicum miliaceum Jake Sigg; Peter Rubtzoff; Paul Reeberg 1991-8-10 s.n. San Mateo P. G. & E. Marsh Comment
  CAS-BOT-BC253970  Parapholis incurva John H. Thomas 1963-5-20 10138 San Mateo Ano Nuevo Island, about 0.5 mile off shore and about 20 miles NW of Santa Cruz Comment
  JEPS71261  Parapholis incurva A. L. Hormay 1932-5-29 San Mateo San Bruno; San Francisco Bay Shore 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
  UCR242655  Parietaria judaica A. C. Sanders 2012-11-11 40516 San Mateo SF Bay Area, Daly City near Colma, between Junipero Serra Blvd. and San Pedro Rd. on Washington St. 56 Comment
  POM207798  Paspalum distichum C. F. Baker 1902-10-20 1836 San Mateo Searsville Comment
  JROH5551  Pectocarya pusilla John Rawlings 2013-4-16 1126 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 2 extension about 120 meters northwest from trail marker, east side of trail 136 Comment
  JROH5690  Pectocarya pusilla John Rawlings 2015-4-7 1455 San Mateo Jasper Ridge Biological Preserve, Stanford University; quarry off Trail 12 110 Comment
  JROH1404  Pectocarya pusilla Carol Zabel and Ann Lambrecht 2003-4-15 48 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail c. After starting at the east end of trail, it splits into two trails which lead out to Trail 9. Sample collected on long (righthand) branch, immediately after the split Comment
  JEPS40981  Pedicularis densiflora Lewis S. Rose 1964-3-23 64013 San Mateo w of Redwood City; Emerald Lake 121 Comment
  JROH4101  Pedicularis densiflora John H. Thomas 1957-4-16 6663 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent slopes Comment
  JROH4107  Pedicularis densiflora Duncan M. Porter 1961-1-18 736 San Mateo Jasper Ridge Biological Preserve, Stanford University; Westridge end of Jasper Ridge Comment
  RSA14207  Pedicularis densiflora Carl B. Wolf 1927-1-24 190 San Mateo 1/2 way up east slope of La Honda Grade, Santa Cruz Mtns. 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
  JEPS26849 Image available Pedicularis dudleyi Rimo Bacigalupi with J. H. Thomas and L. Heckard 1961-5-23 7712 San Mateo 1/3 mi n of its confulence with Pescadero Creek (e side of Peters Creek); Peters Creek 134 Comment
  UC306599 Image available Pedicularis dudleyi A. D. E. Elmer June, 1903 4289 San Mateo Iverson's Place Pescadero Creek; Iverson's Place, Pescadero Creek, San Mateo Co. Comment
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Feb 28 2011
  UCSC006899  Pedicularis dudleyi Randall Morgan 1988-6-5 1236 San Mateo Upper Escape Rd, Portola S.P. Comment
  SEINET12182596  Pelargonium L. K. Henry 1956-1 s.n. San Mateo along Pacific Ocean at Pigeon Point Lighthouse on Rt 1 Comment
  CAS-BOT-BC207020  Pelargonium vitifolium J. H. Thomas 1954-6-11 4289 San Mateo About 1 mile north of Pigeon Point 30 Comment
  CAS-BOT-BC207032  Pelargonium vitifolium L. R. Abrams; I. L. Wiggins 1939-6-3 437 San Mateo 2 miles north of Pigeon Point Light Comment
  UC729633  Pelargonium vitifolium Carl B. Wolf 1929-5-10 3704 San Mateo s of Pescadero (Pigeon Pt); Pigeon Pt. 30 Comment
  CAS-BOT-BC327978  Pentachaeta alsinoides John H. Thomas 1958-5-10 7155 San Mateo Jasper Ridge, about 5 mi SW of Palo Alto. 182 Comment
  CAS-BOT-BC413607  Persicaria amphibia A. D. E. Elmer 1903-7-1 4650 San Mateo San Pedro Comment
  CAS-BOT-BC413610  Persicaria amphibia W. R. Dudley 1909-10-31 s.n. San Mateo Santa Cruz Mountain Peninsula. Hooper's Pond, Woodside Comment
  JROH3244  Persicaria amphibia J. H. Thomas 1960-6-1 8771 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Searsville Lake near dam. Comment
  CAS-BOT-BC418848  Persicaria hydropiperoides Ira L. Wiggins 1985-9-28 22298 San Mateo Bed of San Francisquito Creek, N side of creek bed, just above Pope Street bridge, Menlo Park Comment
  JROH5974  Persicaria maculosa John Rawlings, Ann Lambrecht 2017-9-12 2294 San Mateo Jasper Ridge Biological Preserve, Stanford University; confluence Bear Creek, Corte Madera Creek, and San Francisquito Creek 71 Comment
  CAS-BOT-BC419386  Persicaria punctata Roxana S. Ferris 1945-9-25 11107 San Mateo At Pedro Point, State Highway #1 Comment
  UCD99803  Persicaria punctata Malcolm A. Nobs; S. Galen Smith 1949-8-25 1560 San Mateo Sharp Park. Comment
  JROH4172  Petunia parviflora W. R. Dudley 1909-10-31 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake Comment
  POM289352  Phacelia californica Lyman Benson 1930-4-6 2038 San Mateo Spring Valley, Crystal Springs Lake, San Lorenzo Mt. Range. 183 Comment
  RSA128808  Phacelia californica Paul R. Hichborn 1920-4-25 s.n. San Mateo Crystal Springs Lake, Santa Cruz Mountain Peninsula. Comment
  JROH2758  Phacelia distans John Rawlings 2008-4-23 1031 San Mateo Jasper Ridge Biological Preserve, Stanford University. Just west of Rd C in small, grassy opening on slope uphill from blue metal bridge near beginning of Rd 19 that leaves Rd. C 30 meters south of the main San Francisquito Creek/Rd C bridge. 92 Comment
  OBI48680  Phacelia distans Lewis S. Rose 1939-4-13 39065 San Mateo San Mateo Cyn near Crystal Springs lake 61 Comment
  UC881073  Phacelia distans Lewis S. Rose 1939-4-13 39065 San Mateo near Crystal Springs Lake; San Mateo Canyon 60 Comment
  UC1084388  Phacelia divaricata G. Thomas Robbins 1937-4-11 96 San Mateo near Spring Valley Lakes (along road to Woodside) 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
  OBI13755  Phacelia malvifolia Lewis S. Rose 1965-5-3 65057 San Mateo San Bruno Mtn, Colma Cyn 61 Comment
  RSA152046  Phacelia malvifolia John H. Thomas 1961-5-7 9282 San Mateo San Bruno Mountain, in northern part of county. 305 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
  JROH2761  Phacelia nemoralis var. nemoralis John H. Thomas 1973-6-15 16848 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC154292  Phacelia ramosissima Class Collection 1940-1-1 s.n. San Mateo Dunes, Ano Nuevo Point Comment
  CHSC56636  Phalaris aquatica Steven Triano 1988-5-24 176 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
  UCD88172  Phalaris aquatica Cecilia Murray 1963-7-23 s.n. San Mateo Portola Valley. Comment
  JROH5380  Phalaris brachystachys John Rawlings 2005-5-25 1003 San Mateo Jasper Ridge Biological Preserve, Stanford University; 100 yards west from Escobar Gate, 20 yards north of Road F 161 Comment
  CAS-BOT-BC259001  Phalaris californica A. D. E. Elmer 1903-6-1 4699 San Mateo Crystal Springs Lake Comment
  JEPS101195  Phalaris californica Dean W. Taylor 1987-8-20 9313 San Mateo Cascade Ranch State Park, between Whitehorse Creek and Cascade Creek, at crest of north facing hil 188 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
  UCD88566  Phalaris californica P. B. Kennedy 1916-5-1 s.n. San Mateo Crocker Estate, Burlingame. Comment
  UCD88576  Phalaris californica P. B. Kennedy 1928-5-2 s.n. San Mateo E of Daly City. Comment
  CAS-BOT-BC250641  Phalaris minor David D. Keck 1932-5-6 1464 San Mateo Belmont Comment
  RSA17945  Phalaris minor C. B. Wolf, Le Roy Abrams 1927-6-4 s.n. San Mateo San Gregorio Comment
  SEINET10657422  Phalaris minor Adolph D. E. Elmer Elmer 4427 San Mateo Crystal Springs Lake Comment
  JROH5383  Phalaris paradoxa John Rawlings 2011-6-21 1074 San Mateo Jasper Ridge Biological Preserve, Stanford University; 80m west of Escobar Gate downhill from Road F on north side of ridge near the serpentine/sandstone contact 153 Comment
  JROH4288  Phoradendron serotinum subsp. tomentosum John H. Thomas 1959-8-22 8080 San Mateo Jasper Ridge Biological Preserve, Stanford University 182 Comment
  CAS-BOT-BC142182  Physocarpus capitatus W. R. Dudley 1894-5-20 s.n. San Mateo Near Redwood [City] - Santa Cruz Mountain Peninsula Comment
  JROH3726  Physocarpus capitatus John H. Thomas 1977-4-19 18535 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek along low flow crossing Comment
  UCD23296  Physocarpus capitatus Alan T. Whittemore 1976-5-29 116 San Mateo San Francisco Fish and Game Refuge. East side of Lower Crystal Springs Lake, on Sawyer's Camp Road, between L. San Andreas and Crystal Springs Lake. 100 Comment
  LA205150  Pickeringia montana subsp. montana U. S. Grant; 1926-9-6 sn San Mateo Kings Mountain 609 Comment
  CAS-BOT-BC206941  Pickeringia montana var. montana Josephine D. Randall 1907-6-29 218 San Mateo King's Mt. Road - Santa Cruz Peninsula Comment
  CAS-BOT-BC78644  Pinus halepensis Elizabeth McClintock; Paul Reeberg 1988-4-6 s.n. San Mateo above Brisbane, on ridge 750 feet west of Brisbane Ravine 121 Comment
  CAS-BOT-BC136529  Piperia candida John H. Thomas 1961-6-20 9551 San Mateo Field redacted by CAS, contact the data manager for more information 152 Comment
  CAS-BOT-BC137311  Piperia elegans James McMurphy 1906-8-24 s.n. San Mateo Field redacted by CAS, contact the data manager for more information Comment
  UC1023962  Plagiobothrys Margaret A. Barry 1937-5-8 69 San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC228117  Plagiobothrys chorisianus J. H. Thomas 1965-4-13 10564 San Mateo To the E of Broadway Exit, Burlingame Comment
  CAS-BOT-BC228131  Plagiobothrys chorisianus Walter & Irja Knight 1965-5-9 1100 San Mateo San Bruno Mountains. Devil's Arroyo Comment
  RSA6421  Plagiobothrys chorisianus D. D. Keck 1932-4-18 1435 San Mateo Burlingame, on the shore of San Francisco Bay. 2 Comment
  JEPS120462  Plagiobothrys chorisianus var. chorisianus Daniel Slakey 2013-4-6 53 San Mateo Ano Nuevo State Reserve, just north of the Cascade Creek Trail and west of the Atkinson Bluff Trail. Comment
  CAS-BOT-BC228076  Plagiobothrys chorisianus var. hickmanii Otto M. Sokol 1953-5-9 61 San Mateo Pebble Beach Comment
  JROH1410  Plagiobothrys chorisianus var. hickmanii John H. Thomas 1969-4-12 14890 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
  JROH1413  Plagiobothrys chorisianus var. hickmanii John H. Thomas 1971-4-25 15781 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1419  Plagiobothrys chorisianus var. hickmanii John Hunter Thomas 1983-5-3 21878 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
  RSA8609  Plagiobothrys nothofulvus I. L. Wiggins 1933-4-17 6651 San Mateo Emerald lake Hills 2 miles W of Redwood City. Comment
  SD39269  Plagiobothrys undulatus Edith A. Purer 1939-6-1 7928 B San Mateo Sandy soil, Ano Nuevo Point Comment
  UC24581  Plagiobothrys undulatus J. Burtt Davy Jun 21-23 1893 1136 San Mateo Pilarcitos Lake; Pilarcitos Canyon Comment
  CHSC57023  Plantago coronopus Steven Triano 1988-5-24 194 San Mateo Located ca. 750 ft s of Hwy. 1 and 2.9 mi s of Pigeon Point Light Station. 24 Comment
  HSC16818  Plantago coronopus R. E. Jones 1966-4-4 35 San Mateo Ano Nuevo Beach Comment
  UCSC003378  Plantago elongata Randall Morgan 2001-5-5 3725 San Mateo south of Franklin Point, San Mateo County Comment
  JROH3110  Plantago erecta John H. Thomas 1961-4-29 9177 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3113  Plantago erecta John H. Thomas 1975-4-19 17796 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3119  Plantago erecta John Hunter Thomas 1981-5-25 20643 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  OBI58721  Plantago erecta Lewis S. Rose 1966-5-2 66033 San Mateo Emerald lake, W of Redwood City 91 Comment
  OBI11658  Plantago erecta Lewis S. Rose 1965-5-3 65056 San Mateo San Bruno Mtn, North end 183 Comment
  RSA278509  Plantago erecta subsp. erecta T. C. Emmel 1964-3-15 1 San Mateo Woodside (expt'l area). Comment
  RSA176677  Plantago lanceolata John H. Thomas 1949-4-6 273 San Mateo 4 miles S of Daly city Comment
  CDA34345  Plantago major E. Finley 1990-10-16 s.n. San Mateo Shoreline Blvd, Mountain View. 0 Comment
  UC1736686  Plantago subnuda Dean W. Taylor 1991-5-20 11790 San Mateo coastal bluffs near south bank of Pescadero Creek at Highway 1 9 Comment
  JROH3104  Platystemon californicus D. D. Davis 1903-4-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Ridge 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
  POM149360  Platystemon californicus var. californicus A. D. E. Elmer 1903-06 4853 San Mateo Crystal Springs Lake. Comment
  UC131908  Plectritis brachystemon Alice Eastwood 1901-5-19 San Mateo Blenheim Comment
  JROH4247  Plectritis ciliosa L. Roush & G. Kimber 1918-4-4 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5878  Plectritis congesta subsp. brachystemon Diane Renshaw 2014-4-30 1222 San Mateo Jasper Ridge Biological Preserve, Stanford University; by fallen tree between Alan's Mountain (utility pole mound) and San Francisquito Creek 89 Comment
  SEINET10931001 Image available Plectritis congesta subsp. nitida A. Arthur Heller 1907-5-28 Heller 8578 San Mateo Above Crystal Springs on the Half Moon Bay road. Comment
  UC1190045  Pleuropogon californicus J. I. McMurphy 1906-5-8 San Mateo road near head of Crystal Springs Lakes (by road from Woodside to Byrnes Store) Comment
  CAS-BOT-BC258900  Poa annua Peter Rubtzoff 1988-5-3 9913 San Mateo San Bruno Mountain, Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road Junction, near old Guadalupe Road in the northwest part of the Saddle area, east of Saddle Trail Junction. Comment
  JROH5397  Poa annua John H. Thomas 1967-5-12 12873 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD90352  Poa annua W. R. Dudley 1894-5-1 s.n. San Mateo Crystal Springs. Comment
  JROH5618  Poa bulbosa subsp. vivipara John Rawlings 2014-5-3 1219 San Mateo Jasper Ridge Biological Preserve, Stanford University. At downhill side of trail 14 about midway between dam and road C, near the lone Amelanchier utahensis. 98 Comment
  CAS-BOT-BC246712  Poa howellii W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. Ravine north of Seal Cove Comment
  RSA135727  Poa howellii W. R. Dudley 1900-3-17 s.n. San Mateo Ravine north of Seal Cove. Comment
  SJSU7645  Poa kelloggii T. J. Sammis 1974-5-16 San Mateo redwood forest between Pescadero Road & Pescadero Creek c. 1 mi W of Loma Mar Comment
  POM87691  Poa secunda Le Roy Abrams 1902-5-4 2408 San Mateo Woodside. Comment
  JROH5710  Poa secunda subsp. secunda John Rawlings 2015-3-15 1352 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 5 124 Comment
  UC157041  Poa secunda subsp. secunda E. B. Copeland 1903-4-20 1920 San Mateo San Andreas Lake Comment
  JROH5424  Poa secunda subsp. secunda Herbert Dengler 1962-4-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; N of Searsville Rocks 100 ft from S. F. Cr. Comment
  POM204933  Poa unilateralis E. B. Copeland 1903-6-17 3306 San Mateo Montara Point. Comment
  UCD23456  Polycarpon tetraphyllum E. A. Parzail 1949-8-1 s.n. San Mateo 1144 Cortez Avenue, Burlingame. Comment
  CDA2829  Polygonum arenastrum Buchanan 1960-4-28 4107 San Mateo Harbor Blvd. & Freeway, Redwood City. 0 Comment
  CAS-BOT-BC414109  Polygonum aviculare subsp. aviculare George Oberlander 1949-7-24 316 San Mateo San Francisco Watershed Reserve. Cahill Ridge Comment
  JEPS81638  Polygonum aviculare subsp. aviculare J. C. Hickman 1981-7-21 1004 San Mateo Ano Nuevo Reserve; near center Comment
  JROH3259  Polygonum aviculare subsp. depressum John H. Thomas 1974-8-3 17498 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC414236  Polygonum aviculare subsp. depressum Ira L. Wiggins 1980-8-29 22251 San Mateo Sandy bed of San Francisquito Creek, 100--200 m upstream from Pope Street Bridge, Menlo Park Comment
  SD27835  Polygonum paronychia Carl B. Wolf 1929-5-25 3726 San Mateo Pebble Beach so. of Pescadero Comment
  SEINET11939135  Polygonum paronychia M. T. Doutt 1931-1 247 San Mateo Along coast S of San Francisco Comment
  UC168663  Polygonum punctatum C. F. Baker 1902-10-20 1858 San Mateo Searsville; about lake Comment
  UC42913  Polypodium J. Burtt Davy 1893-6-22 San Mateo Pilarcitos Canyon Comment
  CAS-BOT-BC76914  Polypodium californicum John H. Thomas 1958-3-19 7059 San Mateo San Bruno Mountain, just north of South San Francisco. 91 Comment
  JROH75  Polypodium californicum John H. Thomas 1964-4-19 10313 San Mateo Jasper Ridge Biological Preserve, Stanford University. At Searsville end of ridge Comment
  RSA485490  Polypodium californicum Lyman Benson 1929-3-5 977 San Mateo King s Mountain Comment
  JROH78  Polypodium californicum John H. Thomas 1970-1-1 15497 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH82  Polypodium californicum John H. Thomas 1977-4-2 18510 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JEPS79496  Polypodium glycyrrhiza Edward Lee with A. Carter, E. Crum, and C. Belshaw 1936-1-26 1721 San Mateo 2.6 mi out of Woodside (e side Cahill Ridge, Kings Mt. Rd.) Comment
  CAS-BOT-BC233154  Polypogon interruptus W. R. Dudley 1896-4-4 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Summit Spring, Kings Mountain Comment
  JROH5645  Polypogon interruptus John Rawlings 2014-5-28 1249 A San Mateo Jasper Ridge Biological Preserve, Stanford University. Up-stream edge of low flow crossing of San Francisquito Creek. 81 Comment
  POM199082  Polypogon interruptus A. D. E. Elmer 1903-07 4694 San Mateo Pilarcitos Stone Dam. Comment
  SJSU15799  Polypogon interruptus Toni Corelli 2010-6-4 679 San Mateo Cowell Ranch Beach 33 Comment
  CAS-BOT-BC233159  Polypogon interruptus H. A. Dutton 1900-4-29 s.n. San Mateo Santa Cruz Peninsula Comment
  CAS-BOT-BC237354  Polypogon monspeliensis C. F. Leithold 1894-8-13 s.n. San Mateo Santa Cruz Mountain Peninsula. Devil's Canyon Comment
  CAS-BOT-BC237587  Polypogon viridis George Oberlander 1949-7-10 243 San Mateo San Francisco Watershed Reserve. Upper Crystal Spring Lake Comment
  CAS-BOT-BC72221  Polystichum dudleyi W. R. Dudley 1898-3-5 s.n. San Mateo King's Mountain Comment
  CAS-BOT-BC72228  Polystichum dudleyi Eric Walther 1919-6-9 s.n. San Mateo Woodside Comment
  UCD136472  Polystichum dudleyi Rimo Bacigalupi; J. H. Thomas and L. R. Heckard 1961-5-23 7713 San Mateo East side of Peters Creek, 1/2 mile north of its confluence with Pescadero Creek. 137 Comment
  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
  RSA693315  Polystichum munitum C. B. Wolf 1928-3-14 1538 San Mateo La Honda grade in the Santa Cruz Mountains 152 Comment
  POM223174  Populus trichocarpa S. S. Berry 1909-2-27 s.n. San Mateo Near Los Francos Creek. 46 Comment
  UC1099818  Potamogeton pectinatus Malcolm A. Nobs, S. Galen Smith 1949-8-25 1552 San Mateo Sharp Park Comment
  UC430  Potamogeton pectinatus J. Burtt Davy Jun 21 1893-Jun 23 1893 1131 San Mateo Pilarcitos Lake and Canyon Pilarcitos Lake Comment
  UC279589  Potamogeton pectinatus W. A. Setchell, C. B. Setchell, H. E. Parks 1925-4-29 San Mateo Comment
  CAS-BOT-BC143408  Potentilla Elizabeth McClintock 1974-11-8 s.n. San Mateo On north side of Guadalupe Parkway Comment
  CAS-BOT-BC141929  Potentilla anserina subsp. pacifica Elizabeth McClintock; Carlyn Halde; Walter Knight 1963-6-23 s.n. San Mateo Lower part of Colma Canyon - San Bruno Mountains Comment
  UC1321460  Potentilla anserina subsp. pacifica Arne Henrik Rousi 9 San Mateo Comment
  CAS-BOT-BC143305  Potentilla hickmanii Mrs. E. C. Sutliffe 1933-5-6 s.n. San Mateo Above Moss Beach Comment
  JROH4667  Prosartes hookeri W. R. Dudley 1898-4-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4671  Prosartes hookeri John H. Thomas 1969-4-20 14900 San Mateo Jasper Ridge Biological Preserve, Stanford University. Redwood area below dam Comment
  CAS-BOT-BC517394  Prosartes smithii W. R. Dudley 1904-3-1 s.n. San Mateo Goat Ranch, summit of Santa Cruz Mountains near old La Honda Road crossing Comment
  CAS-BOT-BC517399  Prosartes smithii A. D. E. Elmer 1903-5-1 4697 San Mateo Butano Creek Comment
  SD38546  Prunella vulgaris Edith A. Purer 1932-7-18 4020 San Mateo Near Pigeon Point. Comment
  UC12742  Prunus emarginata J. Burtt Davy 1895-4-20 1032 San Mateo Lake San Andreas Comment
  UC1128403  Prunus ilicifolia G. E. Sindel 1935-8-27 339 San Mateo 1 mi w Crystal Spring Lake 121 Comment
  JROH3747  Prunus ilicifolia subsp. ilicifolia John Hunter Thomas 1981-5-5 20545 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC154653  Prunus subcordata A. D. E. Elmer 1903-4-1 4533 San Mateo Portola Comment
  CAS-BOT-BC154655  Prunus subcordata A. D. E. Elmer 1903-4-1 4533 San Mateo Portola 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
  POM139638  Prunus subcordata A. D. E. Elmer 1903-04 4533 San Mateo Portola. Comment
  CAS-BOT-BC356472  Pseudognaphalium beneolens James McMurphy 1905-10-15 s.n. San Mateo Goat Ranch near Stanford University Comment
  CAS-BOT-BC356859  Pseudognaphalium californicum John H. Thomas 1961-5-7 9303 San Mateo San Bruno Mountain in northern part of county 396 Comment
  JROH755  Pseudognaphalium californicum John H. Thomas 1961-6-7 9534 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH768  Pseudognaphalium californicum John Hunter Thomas 1983-6-29 22704 San Mateo Jasper Ridge Biological Preserve, Stanford University; top of Rattlesnake Rock Comment
  CAS-BOT-BC356854  Pseudognaphalium californicum Walter Knight; Irja Knight 1965-3-15 1235 San Mateo North facing- Colma Canyon - San Bruno Mountain Comment
  CAS-BOT-BC356864  Pseudognaphalium californicum Philip C. Wheeler 1965-5-8 s.n. San Mateo San Bruno Mountain. Sierra Point Comment
  CAS-BOT-BC356869  Pseudognaphalium californicum R. E. Frenkel 1963-12-7 337 San Mateo On Spring Valley Ridge Road, SFWD, at junction of Spring Valley Ridge and Whiting Ridge Roads 347 Comment
  HSC23984  Pseudognaphalium californicum Mary Katherine Wicksten 1971-6-17 54 San Mateo Huddart Park on Chickadee Trail Comment
  RSA191946  Pseudognaphalium californicum R. F. Thorne, Percy C. Everett 1963-6-9 32231 San Mateo On top of San Bruno Mountain. 335 Comment
  JROH780  Pseudognaphalium luteoalbum John H. Thomas 1978-5-23 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH785  Pseudognaphalium luteoalbum Toni Corelli 2006-8-16 324 San Mateo Jasper Ridge Biological Preserve, Stanford University. South of Road B, below Dennis Martin marker site 70 Comment
  UCD166153  Pseudognaphalium luteoalbum Jack Major; M. Forde and S. Bamberg 1962-4-3 737 San Mateo Above Coastways Ranch on Finney Creek. (Exact location unknown. Coordinates estimated by label maker). Comment
  CAS-BOT-BC357505  Pseudognaphalium ramosissimum Walter Knight; Irja Knight; Elizabeth McClintock 1963-9-2 s.n. San Mateo San Bruno Mountain. Radio Road Comment
  CAS-BOT-BC357503  Pseudognaphalium ramosissimum Peter Rubtzoff 1975-10-4 8420 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Dry, open slope just north of Guadalupe Canyon Parkway Comment
  CAS-BOT-BC357508  Pseudognaphalium ramosissimum Janet Jones 1978-8-28 s.n. San Mateo Near Montara Comment
  CAS-BOT-BC361570  Pseudognaphalium stramineum L. R. Abrams; I. L. Wiggins 1939-6-3 428 San Mateo Ano Nuevo Point Comment
  RSA18445  Pseudognaphalium stramineum C. B. Wolf 1927-6-29 563 San Mateo South of Pebble Beach near Pescadero Comment
  CAS-BOT-BC361560  Pseudognaphalium stramineum Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain. Quarry 3 Comment
  RSA249487  Pseudognaphalium stramineum John F. Emmel 1971-9-6 387 San Mateo NE facing slope 0.4 air mile SSW of Midway Village School on 1956 topo quad., above Guadalupe cyn. parkway, San Bruno Mts. 91 Comment
  CAS-BOT-BC85901  Pseudotsuga menziesii Lewis S. Rose 1955-9-19 55178 San Mateo Skyline Boulevard, 7 mi. w. of Saratoga 685 Comment
  CAS-BOT-BC85908  Pseudotsuga menziesii W. R. Dudley 1893-12-3 s.n. San Mateo Santa Cruz Mountain Peninsula, Bear Gulch Comment
  POM193082  Pseudotsuga menziesii W. R. Dudley 1894-3-24 s.n. San Mateo Bank of Pescadero Creek [? Pescadero handwriting unclear]; Santa Cruz Mountain Peninsula. Comment
  CAS-BOT-BC85910  Pseudotsuga menziesii W. R. Dudley 1897-4-10 s.n. San Mateo Santa Cruz Mountain Peninsula, above Alpine School House, Black Mt. Comment
  JROH130  Pseudotsuga menziesii var. menziesii John Hunter Thomas 1986-4-22 23971 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC766970  Pseudotsuga menziesii var. menziesii R. F. Hoover 1941-2-12 4760 San Mateo above La Honda; La Honda Creek Comment
  JROH1181  Psilocarphus tenellus John H. Thomas 1968-3-17 14180 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1193  Psilocarphus tenellus John Hunter Thomas 1989-5-9 24711 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC362026  Psilocarphus tenellus Ned Cahill 1975-2-21 408 San Mateo Chaparral near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC72655  Pteridium aquilinum Phillip Wheeler 1965-6-19 s.n. San Mateo Canyon east of quarry Comment
  CAS-BOT-BC72657  Pteridium aquilinum Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mt., Cable Ravine Comment
  SEINET3086525 Image available Pterostegia drymarioides C. W. Sharsmith 1947-4-13 6756 San Mateo Pescadero Beach near Pescadero Point. 50 Comment
  UCD92955  Puccinellia maritima A. A. Beetle 1946-6-4 4278 San Mateo San Mateo City limits on San Mateo Bridge approach. On San Francisco Bay margin. Comment
  CAS-BOT-BC104277  Quercus X morehus W. R. Dudley 1904-4-10 s.n. San Mateo Santa Cruz Mountain Peninsula, Goat Ranch Road near Alpine Road - Black Mt. Comment
  UC1135331  Quercus agrifolia C. M. Belshaw 1935-1-25 1457 San Mateo 2.8 mi w Woodside (on King Mt Road); Santa Cruz Quad. 457 Comment
  UCD45146  Quercus agrifolia Edmond W. Holm 1993-11-26 s.n. San Mateo California, San Mateo Co.; Huddart Park, near Sequoia Picnic Area, on an east-facing slope, with redwoods and bay trees nearby; rather shrub-like, 12-15 ft. tall, with six trunks, 3-6 inches diameter at base. Comment
  JROH5868  Quercus agrifolia var. agrifolia David Y. Hollinger 1980-12-17 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2465  Quercus berberidifolia John Rawlings 2007-12-19 0929 San Mateo Jasper Ridge Biological Preserve, Stanford University; about 10 yards northeast of Rd. F in blue oak woodland west of Area C serpentine 178 Comment
  JROH2468  Quercus douglasii Elmer I. Applegate 1895-5-11 644 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Comment
  RSA118985  Quercus durata Marcel Reeves 1954-4-23 61 San Mateo Jasper Ridge above Searsville Lake. 168 Comment
  SEINET12034352  Quercus durata Unknown 1930-1 7294 San Mateo ridges near Searsville Lake Common Chaparral Comment
  JROH2478  Quercus durata var. durata W. R. Dudley 1901-1-28 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2486  Quercus durata var. durata John H. Thomas 1974-6-30 17462 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC105388  Quercus kelloggii W. R. Dudley 1894-10-1 s.n. San Mateo Santa Cruz Mountain Peninsula, near Woodside road Comment
  CAS-BOT-BC105393  Quercus kelloggii Josephine D. Randall 1907-3-9 114 San Mateo Santa Cruz Mountain Peninsula, Searsville Road to Woodside Comment
  CAS-BOT-BC105395  Quercus kelloggii A. D. E. Elmer 1903-5-1 4520 San Mateo Searsville Lake Comment
  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
  JEPS48850  Quercus kelloggii James G. Daly 1934-1 545 San Mateo near crossroads of Skyline Blvd. and La Honda road (watershed of San Gregorio Creek); Santa Cruz Mts., San Gregorio Creek Comment
  POM216555  Quercus kelloggii D. D. Keck 1932-3-6 1395 San Mateo La Honda road above Searsville Lake, Santa Cruz Mountains. Comment
  UC311547  Quercus kelloggii A. D. E. Elmer May 1903 4520 San Mateo Searsville Lake Comment
  JROH2524  Quercus lobata John Hunter Thomas 1979-9-9 19733 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA623993  Quercus lobata R. Hoffough 1929-4-24 278 San Mateo Jasper Ridge- Stanford Campus. Comment
  CAS-BOT-BC62890  Quercus lobata W. R. Dudley 1893-11-19 s.n. San Mateo By Alpine road up Black Mt. 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
  NY201784  Quercus wislizeni J. B. Walker 1994-8-15 909 San Mateo Skyline Rd, mile marker 13.84, N of Sky Londa 100 Comment
  CAS-BOT-BC362550  Rafinesquia californica John H. Thomas 1961-5-7 9294 San Mateo San Bruno Mountain in northern part of county 396 Comment
  JEPS37568  Rafinesquia californica James G. Daly 318 San Mateo Santa Cruz Mts., San Gregorio watershed Comment
  POM290129  Rafinesquia californica Lyman Benson 1937-6-27 8391 San Mateo Summit west of Belmont; Santa Cruz Mt. Range; S. F. Bay Watershed. 152 Comment
  RSA187310  Ranunculus E. A. McGregor 1908-3-9 s.n. San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC379081  Ranunculus aquatilis var. diffusus Roxana Ferris 1918-3-31 756 San Mateo at edge of Helvetio (Mud) Lake; Coal Mine Ridge Comment
  SD1764  Ranunculus californicus Ulysses S. Grant IV June 1925 San Mateo Near La Honda Comment
  RSA15247  Ranunculus californicus Carl B. Wolf 1927-2-19 208 San Mateo Spring Valley, on Belmont to Halfmoon Bay road Comment
  CAS-BOT-BC378525  Ranunculus californicus var. californicus L. R. Abrams 1901-3-1 1148 San Mateo Santa Cruz Mts. Comment
  CAS-BOT-BC378528  Ranunculus californicus var. californicus Javier Penalosa 1965-2-25 2635 San Mateo San Bruno Mtn. ravine south of Crocker Ave. 213 Comment
  CAS-BOT-BC378542  Ranunculus californicus var. californicus Ira L. Wiggins 1928-4-14 2903 San Mateo Alpine Creek Road Comment
  JROH3481  Ranunculus hebecarpus John H. Thomas 1974-4-25 17212 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC575705  Ranunculus hebecarpus Lewis S. Rose 1935-5-1 35136 San Mateo Redwood City Comment
  POM269212  Ranunculus hebecarpus W. R. Dudley 1894-4-11 s.n. San Mateo slope near Menlo Park Comment
  POM269867  Ranunculus lobbii Roxana S. Ferris 1918-3-31 s.n. San Mateo Mud Lakes, Coal Mine Ridge Comment
  JROH3500  Ranunculus muricatus John Hunter Thomas 1987-5-7 24262 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC204201  Ranunculus muricatus A. D. E. Elmer June 1903 4661 San Mateo San Pedro Comment
  RSA100994  Rhamnus californica G. Oberlander 1949-7-30 246 San Mateo Crest of Sweeney Ridge, San Francisco Watershed reserve Comment
  CAS-BOT-BC55890  Rhamnus crocea H. A. Dutton 1900-2-1 s.n. San Mateo unspecified Comment
  CAS-BOT-BC55903  Rhamnus crocea George Oberlander 1950-5-21 967 San Mateo Northern Cahill Ridge Comment
  JROH3559  Rhamnus crocea John H. Thomas 1963-3-20 10029 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Westridge end of ridge. Comment
  SEINET12210178  Rhamnus crocea J. I. McMurphy 1906-1 55 San Mateo Los Trancos Creek, Santa Cruz 183 Comment
  CAS-BOT-BC56668  Rhododendron occidentale A. D. E. Elmer 1903-6-1 4298 San Mateo Butano Creek Comment
  CAS-BOT-BC56671  Rhododendron occidentale W. R. Dudley 1895-6-6 s.n. San Mateo Near Iverson's on Upper Pescadero Creek Comment
  CAS-BOT-BC92490  Ribes aureum var. gracillimum A. D. E. Elmer 1903-5-1 4514 San Mateo Portola. Comment
  JEPS49330  Ribes californicum W. L. Jepson 1922-3-19 9540 San Mateo Lake San Andreas Comment
  POM274752  Ribes californicum Lyman Benson 1928-4-21 736 San Mateo North base of Searsville ridge; among redwoods. Stanfornd University. Santa Cruz mtn ranges. San Francisquito Cr. 91 Comment
  RSA3921  Ribes californicum James I. McMurphy 1906-5-11 57 San Mateo San Francisquito Cr. Stanford University. Comment
  SBBG27519  Ribes californicum L. S. Rose 1933-6-9 33226 San Mateo Belmont Comment
  UC204126  Ribes californicum A. D. E. Elmer March 1903 4683 San Mateo Portola Comment
  CAS-BOT-BC92997  Ribes californicum var. californicum Lewis S. Rose 1933-6-9 33226 San Mateo Belmont. Comment
  JROH2644  Ribes californicum var. californicum John Hunter Thomas 1981-2-14 20217 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2650  Ribes californicum var. californicum Carol Zabel 1989-2-20 2 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 12 near intersection with Trail 10. Comment
  CAS-BOT-BC173084  Ribes divaricatum var. pubiflorum F. J. Jack 1894-3-24 s.n. San Mateo La Honda Road Comment
  CAS-BOT-BC173089  Ribes divaricatum var. pubiflorum F. J. Jack 1894-3-24 s.n. San Mateo Near McDonough Ranch, Portola Comment
  RSA0021676  Ribes malvaceum Lyman Benson 1931-1-25 2576 San Mateo Continuation of Page Mill Road toward La Honda. Stanford University, Santa Cruz Mountain Range. 244 Comment
  UCSB17066  Ribes malvaceum var. malvaceum Schulte, John 1963-4-14 San Mateo 3 miles southwest of Stanford Campus; between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  CAS-BOT-BC212815  Ribes menziesii W. R. Dudley 1904-3-3 s.n. San Mateo Santa Cruz Mts Comment
  CAS-BOT-BC212824  Ribes menziesii W. R. Dudley 1894-3-23 s.n. San Mateo By La Honda Road Comment
  CAS-BOT-BC212829  Ribes menziesii F. V. Coville 1952-4-6 223 San Mateo North-facing slope of Tunitas Creek, on the bend west of the highway bridge Comment
  CAS-BOT-BC212813  Ribes menziesii W. R. Dudley 1898-4-15 s.n. San Mateo Unspecified Comment
  CAS-BOT-BC212818  Ribes menziesii W. R. Dudley 1906-6-12 s.n. San Mateo Back of winery, West Union Gulch Comment
  RSA0021753  Ribes menziesii var. leptosmum S. S. Berry 1909-2-27 s.n. San Mateo Roadside near Adalanta Villa. 46 Comment
  JROH6179  Ribes menziesii var. menziesii John Rawlings, Rebecca Reynolds 2017-11-14 2305 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 2, 400 m east of its intersection with Trail 5 99 Comment
  UC921843  Ribes sanguineum var. glutinosum Lillian Lockwood 1908-3-9 San Mateo Coal Mine Ridge Comment
  UCSB17072  Ribes sanguineum var. glutinosum 1963-4-9 San Mateo Jasper Ridge; 3 miles southwest of Stanford Campus; between Santa Clara Valley and main front of Santa Cruz Mountains 137 Comment
  RSA8343  Rigiopappus leptocladus L. S. Rose 1933-4-30 33130 San Mateo Redwood City Comment
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Jul 24 2013
  UC429742  Rigiopappus leptocladus L. R. Abrams 1902-5-4 240 San Mateo Woodside Comment
  JROH1202  Rigiopappus leptocladus Peter H. Raven 1963-5-1 18259 San Mateo Jasper Ridge Biological Preserve, Stanford University; north end of Jasper Ridge Comment
  UC407071 Image available Romanzoffia californica L. R. Abrams 1915-3-23 5568 San Mateo -San Marcos rd. Crystal Springs; Santa Cruz Mt. Peninsula, Crystal Springs Comment
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Dec 31 2014
  POM65642  Romanzoffia californica L. R. Abrams 1916-4-22 5582 San Mateo Pilarcitos Canyon at the little upper lake; Santa Cruz Mountain Peninsula. Comment
  SJSU6410  Romanzoffia californica C. W. Sharsmith 1973-3-24 7935 San Mateo Pillarcitos Canyon, Crystal Springs area San Francisco Watershed Lands Comment
  JROH1577  Rorippa curvisiliqua Ann Lambrecht, Toni Corelli 2004-9-15 14 San Mateo Jasper Ridge Biological Preserve, Stanford University. About 10 m E of Sand Hill Rd culvert 104 Comment
  CAS-BOT-BC74649  Rorippa curvisiliqua W. R. Dudley 1906-6-10 s.n. San Mateo Santa Cruz Mountain Peninsula. South Cahil Ridge. Comment
  SD37966  Rorippa curvisiliqua var. curvisiliqua Jane T. Turner 1933-5-15 3671 San Mateo Mud Lake Comment
  CAS-BOT-BC147629  Rosa californica Walter Knight; Irja Knight 1967-6-6 2068 San Mateo Overlooking San Francisco Bay. Point San Bruno Comment
  RSA3085  Rosa californica Carl B. Wolf 1931-8-20 2327 San Mateo Los Trancos Creek, 2 miles back of Stanford University, near Schenkel's Camp. 91 Comment
  RSA246188  Rosa gymnocarpa E. K. Balls 1969-9-18 12174 San Mateo 6 miles S from jct (crossing) of Hwy 84 with Hwy 35 along the La Honda [road?]. Beside San Gregorio Creek. Comment
  CAS-BOT-BC146704  Rosa gymnocarpa Elizabeth McClintock 1965-3-28 s.n. San Mateo Romanzoffia Ravine Comment
  JROH3766  Rosa spithamea Toni Corelli 2007-10-31 342 San Mateo Jasper Ridge Biological Preserve, Stanford University; along Trail 1 just before 1st redwood grove, north side of trail, above San Francisquito Creek 80 Comment
  UCD92298  Rostraria cristata John Thomas Howell 1973-4-28 49145 San Mateo Burlingame. Comment
  SEINET5550871  Rubiaceae H. S. Gentry 1931-1 89 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  CAS-BOT-BC156646  Rubus bifrons Elizabeth McClintock 1967-9-24 s.n. San Mateo Crocker Avenue Comment
  CAS-BOT-BC152837  Rubus parviflorus Margaret A. Barry 1938-5-1 251 San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC152870  Rubus parviflorus Walter Knight; Irja Knight 1963-6-24 s.n. San Mateo Quarry 4 - San Bruno Mountain Comment
  JROH3776  Rubus parviflorus John Hunter Thomas 1985-5-22 23683 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA0035063  Rubus parviflorus W. M. Arbaugh 1968-4-10 238 San Mateo Butano State Park. Comment
  RSA18500  Rubus parviflorus var. velutinus Carl B. Wolf 1927-7-14 620 San Mateo 1 mile south of summit of Kings Mt on Skyline Drive. 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-BC157084  Rubus ursinus C. F. B. 1902-1-15 246 San Mateo West side King's Mountain Comment
  CAS-BOT-BC157089  Rubus ursinus J. Clausen 1948-5-9 2080 San Mateo Tunitas Creek road 121 Comment
  CAS-BOT-BC157099  Rubus ursinus John Thomas Howell 1938-6-4 13889 San Mateo Burlingame Comment
  CAS-BOT-BC157104  Rubus ursinus A. D. E. Elmer 1903-6-1 4664 San Mateo Crystal Springs Lake, southern end Comment
  CAS-BOT-BC157109  Rubus ursinus John Thomas Howell 1938-6-4 13887 San Mateo Burlingame Comment
  POM204330  Rubus ursinus I. L. Wiggins 1929-7-4 3775 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  UCR12025  Rumex acetosella Coleta A. Lawler 1964-4-19 55 San Mateo 4.5 miles east of Half Moon Bay; Pilarcitos Rd, 0.5 mi NE jct Half Moon Bay Rd. 76 Comment
  SD1201  Rumex acetosella U. S. Grant IV 1925-6-5 San Mateo San Mateo Comment
  CAS-BOT-BC433354  Rumex crispus Javier Penalosa 1963-2-23 2656 San Mateo San Bruno Mtn. Ravine south of Crocker Ave. 213 Comment
  CAS-BOT-BC433359  Rumex crispus Ned Cahill 1974-5-3 275 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City. Comment
  CAS-BOT-BC433364  Rumex crispus A. D. E. Elmer 1903-6-1 4266 San Mateo San Mateo Comment
  JROH3306  Rumex pulcher John H. Thomas 1967-6-1 12964 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC433822  Rumex pulcher George Oberlander 1949-7-30 342 San Mateo San Francisco Watershed Reserve. Upper Crystal Spr. Lake Comment
  CAS-BOT-BC433827  Rumex pulcher Margaret A. Barry 1938-6-22 s.n. San Mateo Slope on Coal Mine Ridge Comment
  CAS-BOT-BC433830  Rumex pulcher Javier Penalosa 1963-3-30 2728 San Mateo San Bruno Mountain. North of Randolph Drive at Hillside Blvd. in SSF. 91 Comment
  HSC23969  Rupertia physodes Mary Katherine Wicksten 1971-6-24 111 San Mateo Huddart Park, near entrance Comment
  POM348838  Rupertia physodes E. S. Spalding 1928-8-3 s.n. San Mateo Pulgas Tunnel east side. Comment
  UC279597  Ruppia maritima unknown San Mateo Laguna de Salada Comment
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Jan 2 2010
  RSA800143  Ruta chalepensis Peter Rubtzoff 1988-4-12 9901 San Mateo San Bruno Mountain, on east side of Summit Road (former Radio Road), ca. 1 mi from San Bruno Mtn. Park entrance. Comment
  CAS-BOT-BC539284  Rytidosperma caespitosum John Rawlings; Ken Hickman 2015-6-8 1576 San Mateo Caltrans right-of-way above Hwy 92 E of Hwy 280, downslope from San Francisco Watershed fenceline 118 Comment
  JROH1724  Sagina John Hunter Thomas 1984-4-8 23277 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA185023  Salix exigua L. S. Rose 1965-3-8 65003 San Mateo Searsville Lake. 122 Comment
  JROH3844  Salix exigua var. hindsiana H. J. Dengler 1972-4-30 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Along levee road, south end of Searsville Lake Comment
  JROH3853  Salix exigua var. hindsiana Toni Corelli 2003-2-6 254 San Mateo Jasper Ridge Biological Preserve, Stanford University; old beach area below Searsville Lab 103 Comment
  UC469121  Salix fragilis N. L. Gardner Sept. 1927 San Mateo Cypress Lawn Cemetery, near Colma, San Mateo Co., California Comment
  UC75005  Salix laevigata unknown 1907-3-18 338 San Mateo hills near Palo Alto Palo Alto Comment
  OBI9814  Salix lasiandra Lewis S. Rose 1961-2-16 61004 San Mateo 3 mi N of La Honda 335 Comment
  CAS-BOT-BC125377  Salix lasiandra var. lasiandra Lewis S. Rose 1961-2-16 61004 San Mateo 3 mi. n. of La Honda 335 Comment
  UCD111568  Salix lasiandra var. lasiandra J. Ed McClellan; Bonnie McClellan 1976-4-1 s.n. San Mateo Princeton. Comment
  CAS-BOT-BC107134  Salix lasiolepis David D. Keck 1932-1-24 1356 San Mateo Portola 150 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
  JROH3859  Salix lasiolepis A. D. E. Elmer 1903-3-1 4875 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake Comment
  CAS-BOT-BC107248  Salix lasiolepis var. bigelovii Peter Rubtzoff 1987-11-27 9888 San Mateo San Bruno Mountains, Saddle area on north side of Guadelupe Canyon, Parkway west of Radio Road junction; northwestern part of the area along old Guadelupe Road, Upper part of East Fork Colma Creek canyon. Comment
  CAS-BOT-BC108253  Salix lasiolepis var. bigelovii Alice Eastwood 1920-3-15 s.n. San Mateo San Bruno Hills Comment
  CAS-BOT-BC108255  Salix lasiolepis var. bigelovii Peter H. Raven 1950-4-30 1981 San Mateo Along a stream in the Montara Mts. ca 1/2 mile N. of Montara 91 Comment
  CAS-BOT-BC108258  Salix lasiolepis var. bigelovii John H. Thomas 1974-5-7 17316 San Mateo San Bruno Mountain - along Guadalupe Parkway opposite school. Western side of mountain. Comment
  CAS-BOT-BC124483  Salix lasiolepis var. lasiolepis Javier Penalosa 1963-3-30 2762 San Mateo Guadalupe Valley Comment
  CAS-BOT-BC124485  Salix lasiolepis var. lasiolepis Josephine D. Randall 1906-3-18 360 San Mateo San Francisquito Creek near Stanford University Comment
  CAS-BOT-BC124488  Salix lasiolepis var. lasiolepis Lewis S. Rose 1965-3-8 65004 San Mateo Searsville Lake 121 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-BC129071  Salix scouleriana W. R. Dudley 1896-4-17 s.n. San Mateo By trail from Haladay place to summit La Honda Rd. - Santa Cruz Peninsula Comment
  CAS-BOT-BC126511  Salix sitchensis A. D. E. Elmer 1903-3-1 4874 San Mateo Portola Comment
  CAS-BOT-BC126516  Salix sitchensis W. R. Dudley 1903-5-1 s.n. San Mateo Iverson's near Pescadero Creek Comment
  CAS-BOT-BC126520  Salix sitchensis W. R. Dudley 1904-3-7 70 San Mateo Bear Gulch, Santa Cruz Mts. 213 Comment
  RSA169343  Salix sitchensis L. S. Rose 1964-3-14 64007 San Mateo Princeton. 6 Comment
  CAS-BOT-BC180794  Salsola soda John H. Thomas 1974-10-6 17615 San Mateo Palo Alto Yacht Harbor near airport. Altitude about sea level. Comment
  CDA3229  Salsola soda W. Anderson 1968-8-16 San Mateo West end of Dumbarton Bridge. 0 Comment
  SJSU5408  Salvia officinalis A. J. Cortopassi 1959-5-9 San Mateo 2319 Hillside Dr, Burlingame Comment
  JEPS62786  Salvia spathacea W. L. Jepson 1921-4-3 9107 San Mateo Colma Canyon Comment
  UC138837  Salvia spathacea C. F. Baker 1903-4-6 1878 San Mateo San Bruno Hills San Francisco Comment
  SEINET10581809  Salvia spathacea Lewis S. Rose 1965-4-22 Rose 65028 San Mateo San Bruno Mountain, Colma Canyon open slopes. 61 Comment
  RSA0034073  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
  RSA120030  Sambucus callicarpa W. R. Dudley 1950-3-16 s.n. San Mateo Near bridge over Pilancitas Creek, on road to Half-Moon Bay Comment
  UC203513  Sambucus mexicana A. D. E. Elmer July, 1903 4689 San Mateo Portola Comment
  JROH1676  Sambucus nigra subsp. caerulea John Hunter Thomas 1989-5-9 24724 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD166148  Sanicula arctopoides Jack Major; M. Forde and S. Bamberg 1962-4-3 733 San Mateo 10 miles south of Ano Nuevo Pt., above Scott Creek. (Exact location unknown. Coordinates estimated by label maker). 115 Comment
  SBBG32454  Sanicula arctopoides L. S. Rose 1965-3-25 65012 San Mateo N end San Bruno Mtns 121 Comment
  CAS-BOT-BC223318  Sanicula bipinnatifida Ned Cahill 1974-4-30 219 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JROH324  Sanicula bipinnatifida John H. Thomas 1975-4-5 17708 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC223324  Sanicula bipinnatifida W. R. Dudley 1894-3-26 s.n. San Mateo Santa Cruz Mountain Peninsula. Half Moon Bay Comment
  RSA176825  Sanicula crassicaulis John H. Thomas 1961-5-5 9212 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Along San Francisquito Creek below Searsville Dam. 76 Comment
  UCSB18952  Sanicula crassicaulis Schulte, John 1963-4-13 San Mateo Jasper Ridge, 3 miles SW of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 137 Comment
  UCR122971  Sanicula laciniata George K. Helmkamp, E. A. Helmkamp 2001-6-2 6774 San Mateo San Francisco Bay Region, Purisima Creek Road, east of Half Moon Bay at Purisima Creek, 3.2 miles east of CA Hwy 1 244 Comment
  SEINET10693797 Image available Sanicula laciniata Adolph D. E. Elmer Elmer 4498 San Mateo Comment
  CAS-BOT-BC166668  Satureja douglasii Peter Rubtzoff 1975-10-24 8429 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction; (tributary of East Fork Colma Creek). San Bruno Mountains. Comment
  UC1601281  Satureja douglasii Ira L. Wiggins 1929-7-4 3778 San Mateo 4 mi w La Honda (on hill road to Pescadero Beach) Comment
  POM202470  Satureja douglasii L. S. Rose 1933-6-9 s.n. San Mateo 3 miles W of San Bruno. Comment
  UCD137506  Scabiosa atropurpurea Collector Unknown 1925-6-15 s.n. San Mateo Pescadero, Santa Cruz Road. Comment
  JROH351  Scandix pecten-veneris John H. Thomas 1973-3-12 16484 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH362  Scandix pecten-veneris John Hunter Thomas 1986-5-1 23990 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC283132  Schedonorus arundinaceus J. H. Thomas 1963-8-4 10235 San Mateo About 2.5 miles inland from San Gregorio along the highway Comment
  CAS-BOT-BC218936  Schinus molle John H. Thomas 1960-6-25 8788 San Mateo Redwood City. Along or near a small creek running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street 7 Comment
  JROH4423  Schoenoplectus acutus var. occidentalis M. Whitley 1990-5-28 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. By the floats on the lake. Comment
  CAS-BOT-BC111781  Schoenoplectus pungens var. badius Ira L. Wiggins 1928-4-22 2947 San Mateo Moss Beach Comment
  UC1104551  Scirpus cernuus J. H. Thomas 1959-7-8 8017 San Mateo Pescadero Beach bluffs at Pescadero Beach Comment
  CAS-BOT-BC111060  Scirpus microcarpus Phillip C. Wheeler 1965-5-18 s.n San Mateo April Brook toward the meadow Comment
  UC1057748  Scoliopus bigelovii F. A. Pitelka 1946-4-13 San Mateo Pilarcitos Lake Comment
  UC142703  Scoliopus bigelovii Alice Eastwood 1902-2-28 San Mateo Lake Pilarcitos Comment
  CAS-BOT-BC519016  Scoliopus bigelovii A. D. E. Elmer 1903-3-1 4559 San Mateo King's Mountain Comment
  CAS-BOT-BC519020  Scoliopus bigelovii Alice Eastwood 1933-4-30 s. n. San Mateo Lake Pilarcitos on road out Comment
  POM193871  Scoliopus bigelovii W. R. Dudley 1895-3-5 s.n. San Mateo Kings Mt.; Plants of the Santa Cruz Peninsula. Comment
  RSA3924  Scoliopus bigelovii Le Roy Abrams 1904-3-7 s.n. San Mateo Bear Gulch. Santa Cruz Mountain Peninsula. Comment
  SEINET12050524  Scoliopus bigelovii F. H. Utech 1988-1 88 -041 San Mateo 3.3 mi from junction of Kings Mt Rd & CA 35 on former enroute to Woodside 260 Comment
  JROH4125  Scrophularia californica John H. Thomas 1974-4-25 17194 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4128  Scrophularia californica John Hunter Thomas 1977-6-16 18747 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR122984  Scrophularia californica subsp. californica George K. Helmkamp, E. A. Helmkamp 2001-6-2 6776 San Mateo San Francisco Bay Region, Purisima Creek Road, east of Half Moon Bay at Purisima Creek, 3.2 miles east of CA Hwy 1 244 Comment
  JROH2883  Scutellaria tuberosa Hester R. Davis 1920-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2889  Scutellaria tuberosa John Hunter Thomas 1987-4-23 24208 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC59057  Sedum spathulifolium A. D. E. Elmer 1903-6-1 4550 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC59052  Sedum spathulifolium Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo San Bruno Mountain, below parking lot on the top of the mountain. Comment
  CAS-BOT-BC59270  Sedum spathulifolium W. R. Dudley 1894-4-1 s.n. San Mateo San Mateo Reservoir. Comment
  CAS-BOT-BC363403  Senecio aronicoides George Oberlander 1950-5-28 994 San Mateo San Francisco Watershed Reserve. Cahill Ridge Comment
  JROH1221  Senecio aronicoides D. E. Breedlove 1971-5-31 19356 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  RSA0012766  Senecio aronicoides John H. Thomas 1961-5-5 9219 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. 152 Comment
  JROH1216  Senecio aronicoides D. D. Davis 1903-5-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville vicinity Comment
  CAS-BOT-BC365648  Senecio elegans John H. Thomas 1975-1-12 17673 San Mateo Thornton Beach State Park in NW part of county Comment
  UC580090  Senecio glomeratus Ira L. Wiggins 1934-8-11 6970 A San Mateo salt flats beside tannery Redwood City Comment
  CAS-BOT-BC363737  Senecio hydrophilus George Oberlander 1950-5-28 994 San Mateo San Francisco Watershed Reserve. Upper Crystal Springs Lake Comment
  JROH686  Senecio minimus Toni Corelli 2006-9-20 329 a San Mateo Jasper Ridge Biological Preserve, Stanford University. Below Trail 12 along Corta Madera Creek 106 Comment
  CAS-BOT-BC85783  Sequoia sempervirens unspecified 1901-1-26 s.n. San Mateo Santa Cruz Peninsula, Coal Mine [Canon] Canyon 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
  RSA170453  Sequoia sempervirens Mark Parratt 1963-2-2 512 San Mateo Santa Cruz Mountains; Big Basin Redwoods State Park, near park headquarters 183 Comment
  SEINET6841677  Sequoia sempervirens R. A. Evers, Clara V. Evers 1975-8-24 115029 San Mateo Trailer Villa, Redwood City. Comment
  CAS-BOT-BC243555  Setaria parviflora Paul Reeberg; Jake Sigg; Peter Rubtzoff 1991-8-10 s.n. San Mateo West side of P.G.&E. property, adjacent of P.G.&E. Marsh, San Bruno Mountains Comment
  JEPS127780  Sidalcea malviflora subsp. laciniata Adam C. Schneider with C. Matt Guilliams 2013-3-9 34 San Mateo Comment
  UC108870  Sidalcea malviflora subsp. laciniata T. S. Brandegee June 1893 San Mateo Colma Comment
  UC871437  Sidalcea malviflora subsp. laciniata Alice Eastwood 1912-6-10 329 San Mateo Crystal Springs Comment
  JEPS67241  Sidalcea malviflora subsp. malviflora W. L. Jepson 1921-4-3 9109 San Mateo canyon near Colma (Colma Canyon); n. San Mateo Co., Colma Canyon Comment
  CHSC22898  Sidalcea malviflora subsp. rostrata Robert A. Schlising 1963-2-23 2434 San Mateo California Coast Ranges. 21 miles north of Davenport, along highway 1. Comment
  UC311135  Silene californica A. D. E. Elmer June, 1903 4446 San Mateo Crystal Springs Lake Comment
  JROH1734  Silene gallica John Hunter Thomas 1977-6-16 18756 San Mateo Jasper Ridge Biological Preserve, Stanford University; near old racing oval Comment
  CAS-BOT-BC386849  Silene gallica Elizabeth McClintock; David Schooly; Kim Marcus 1975-4-13 s.n. San Mateo San Bruno Mountain, slope above Hillside Blvd., South San Francisco Comment
  JROH5886  Silene gallica Ruth Porter 1998-5-4 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSB16388  Silene gallica 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
  CAS-BOT-BC389897  Silene scouleri subsp. scouleri Elizabeth McClintock 1963-6-9 s.n. San Mateo San Bruno Mountain Comment
  CAS-BOT-BC175276  Silene verecunda Elizabeth McClintock; Paul Reeberg 1988-8-12 s.n. San Mateo Grassland near Summit. San Bruno Mountains Comment
  JROH1231  Silybum marianum John H. Thomas 1967-5-31 12931 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC364854  Silybum marianum Elizabeth McClintock; Carlyn Halde; Walter Knight; Walter Knight 1963-6-23 s.n. San Mateo San Bruno Mountain. Lower part of Colma Canyon Comment
  CAS-BOT-BC364859  Silybum marianum Ned Cahill 1974-7-14 356 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City 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
  JROH4439  Sisyrinchium bellum Donald A. Johansen 1933-5-18 708 San Mateo Jasper Ridge Biological Preserve, Stanford University. Hills above Searsville Lake Comment
  POM291003  Sisyrinchium bellum Lyman Benson 1935-4-27 6421 San Mateo La Honda Road, Santa Cruz Mts, east of Skyline Blvd., San Francisco Bay watershed. 457 Comment
  SJSU10457  Sisyrinchium bellum L. S. Chan 1955-4-9 San Mateo foothills 2 mi W of san Carlos Comment
  UC1134665  Smilacina racemosa G. E. Sindel 1935-8-2 342 San Mateo Harington Creek Santa Cruz Quadrangle (head) Comment
  UC844167  Smilacina racemosa Lewis S. Rose 1941-3-12 41025 San Mateo Skyline Blvd. w San Bruno 152 Comment
  SEINET5571657  Smilacina stellata H. S. Gentry 1931-1 3 San Mateo Collected 1.5 miles west of San Mateo, Half-moon Bay road. Comment
  JEPS101208  Solanum americanum Dean W. Taylor 1989-8-1 10409 San Mateo Montara Mountain, saddle between North Peak and Montara Knob 518 Comment
  SD38286  Solanum douglasii Edith A. Purer 1933-7-27 5389 San Mateo partially stabilized areas in sand dunes, two miles south of Pigeon Point Comment
  JROH4186  Solanum umbelliferum John H. Thomas 1958-2-15 6988 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM203826  Solanum umbelliferum L. S. Rose 1934-2-10 34024 San Mateo Woodside Canyons in hills. Comment
  POM62325  Solanum umbelliferum C. F. Baker 1902-1-15 234 San Mateo Kings Mountain. West side of King's Mountain. Comment
  RSA127358B  Solanum umbelliferum Glenn A. Gorelick 1967-4-14 s.n. San Mateo San Bruno Mts. overlooking Daly City near San Francisco. Comment
  RSA295084  Solanum umbelliferum Robert A. Norris, John L. Inase 1981-1-18 4093 San Mateo Near Ano Nuevo Point. (near Santa Cruz Co. line) Comment
  UC884945  Solanum umbelliferum Lewis S. Rose 1939-2-26 39016 San Mateo Emerald Lake 182 Comment
  NY820584  Solanum umbelliferum P. H. Raven 1950-4-16 1797 San Mateo San Bruno Mts. 244 Comment
  OBI9135  Solanum umbelliferum E. K. Balls 1948-3-19 7871 San Mateo Skyline Dr about 12 mi N of Santa Cruz 244 Comment
  RSA523369  Solanum umbelliferum G. H. True 1936-4-5 385 San Mateo Canyon near coast between San Gregorio and Pescadero. 30 Comment
  UCSC007782  Solanum umbelliferum Becky Hendricks, Chris Lay 2012-6-22 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC422310  Soleirolia soleirolii Walter Knight; Irja Knight 1964-9-2 s.n. San Mateo San Bruno Mountain. Crocker Avenue Comment
  CAS-BOT-BC353473  Solidago elongata Peter Rubtzoff 1978-9-16 9271 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction. Western part of the area, on slope near fence, San Bruno Mountains. Comment
  CAS-BOT-BC365536  Solidago elongata Lewis S. Rose 1931-9-19 s.n. San Mateo Kings Mt. Comment
  SEINET11382904 Image available Solidago elongata Unknown 1931-1 s.n. San Mateo Kings Mt. Comment
  UC1777680  Solidago elongata J. D. Skoss 1948-8-22 121 San Mateo San Vicente Canyon Comment
  CAS-BOT-BC365743  Solidago spathulata L. R. Abrams 1909-8-2 4251 San Mateo Santa Cruz Peninsula. Pebble Beach, Pescadero Comment
  CAS-BOT-BC365745  Solidago spathulata Walter Knight; Irja Knight; Elizabeth McClintock 1963-9-2 s.n. San Mateo San Bruno Mountain. Power Line Ridge Comment
  CAS-BOT-BC365748  Solidago spathulata John H. Thomas 1961-5-12 9331 San Mateo San Bruno Mountain in northern part of county 396 Comment
  SEINET9319779  Solidago spathulata Unknown 1948-8-22 121 San Mateo San Vicente Canyon Comment
  CAS-BOT-BC365186  Solidago velutina subsp. californica Peter Rubtzoff 1975-10-4 8415 San Mateo San Bruno Mountains. On ridge northwest of Fog Forest Comment
  JROH1237  Solidago velutina subsp. californica John Hunter Thomas 1990-7-28 24938 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1246  Soliva sessilis John Hunter Thomas 1981-5-19 20612 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1252  Soliva sessilis John Hunter Thomas 1989-5-9 24709 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC353414  Soliva sessilis Peter Rubtzoff 1976-5-22 8550 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction. East Fork Colma Creek canyon area, San Bruno Mountains. Comment
  CAS-BOT-BC365933  Soliva sessilis Elizabeth McClintock 1965-3-28 s.n. San Mateo San Bruno Mountain. Slope at Flower Garden adjacent to April Brook Comment
  CAS-BOT-BC365935  Soliva sessilis R. E. Frenkel 1964-4-2 413 San Mateo On Spring Valley Ridge Road, SFWD, at junction of Spring Valley Ridge Road and Whiting Ridge Road 347 Comment
  CAS-BOT-BC365938  Soliva sessilis R. S. Ferris 1925-5-1 4157 San Mateo Selah Chamberlain Residence, Woodside Comment
  CAS-BOT-BC374494  Sonchus asper Fred Hemphill 1973-5-14 821 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  UC36522  Sonchus asper J. Burtt Davy 1893-6-1 725 San Mateo Belmont Comment
  CAS-BOT-BC374489  Sonchus asper Margaret A. Barry 1937-7-17 216 San Mateo Coal Mine Ridge Comment
  JROH1255  Sonchus asper subsp. asper John H. Thomas 1967-5-31 12927 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC374700  Sonchus oleraceus John H. Thomas 1958-3-19 7054 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco 91 Comment
  UC1252099  Sorghum bicolor J. H. Thomas 1959-11-19 8513 San Mateo near Bayshore & University Ave. East Palo Alto Comment
  JROH5525  Sparganium eurycarpum var. eurycarpum John Hunter Thomas 1979-9-9 19724 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Searsville Lake. Comment
  JROH5586  Sparganium eurycarpum var. eurycarpum John Rawlings 2012-7-9 1201 B San Mateo Jasper Ridge Biological Preserve, Stanford University. Near upper lake (west of Portola Rd.) adjacent to power line right-of-way. 106 Comment
  JROH5522  Sparganium eurycarpum var. eurycarpum G. H. Mallory 1919-8-20 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Marsh at head of Searsville Lake. Comment
  CAS-BOT-BC236626  Spartina foliosa Ira L. Wiggins 1938-11-25 9213 San Mateo Along Dumbarton Bridge approach. Comment
  RSA23203  Spartina foliosa I. L. Wiggins 1938-11-25 9213 San Mateo Along Dumbarton Bridge approach Comment
  UC1751042  Spartina foliosa Annetta M. Carter with Mary Bowerman, Mrs. Bowerman, Betty Wood, Florence Little 1934-10-21 736 San Mateo Dumbarton Bridge Comment
  SEINET11681953  Spartina foliosa Unknown 1933-1 10528 San Mateo San Francisco Bay, Belmont Comment
  CAS-BOT-BC389687  Spergula arvensis Jeanie Nieri 1953-2-3 s.n. San Mateo Empty lot three miles west of Hillsdale Comment
  JROH1764  Spergularia John Hunter Thomas 1986-4-30 23984 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC390199  Spergularia bocconi R. I. Gilbreath 1975-8-1 0084 San Mateo In school yard on Alberta Way, Hillsborough 167 Comment
  CAS-BOT-BC390202  Spergularia bocconi G. B. Rossbach; R. P. Rossbach 1939-5-12 726 San Mateo San Pedro Point Comment
  CHSC56977  Spergularia macrotheca Josephine Boyd 1988-5-3 San Mateo On Sand Point in the Menlo Park Baylands at the e end of The Embarcadero, ca 0.5 mi e of the Palo Alto Municipal Airport and 0.3 mi nw of the San Mateo County-Santa Clara County boundary. 4 Comment
  CAS-BOT-BC390451  Spergularia macrotheca var. macrotheca Walter Knight; Irja Knight; Elizabeth McClintock 1964-9-11 s.n. San Mateo San Bruno Mountain. Point San Bruno Comment
  CAS-BOT-BC390476  Spergularia macrotheca var. macrotheca Alice Eastwood 1937-7-25 18889 San Mateo Pebble Beach, Pescadero Comment
  CAS-BOT-BC390461  Spergularia macrotheca var. macrotheca J. S. Rowley 1931-6-7 s.n. San Mateo Pigeon Point 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-BC390922  Spergularia marina Walter Knight; Irja Knight 1964-9-2 984 San Mateo San Bruno Mountain. Beach at Point San Bruno Comment
  CAS-BOT-BC390546  Spergularia media S. D. Halsey 1908-10-1 s.n. San Mateo Redwood City Comment
  UCR160927  Spergularia rubra George K. Helmkamp, E. A. Helmkamp 2001-6-2 6793 San Mateo Central Coast, Purissima Creek Rd., 0.9 mi from Calif. Hwy 1(junction about 4 mi south of Half Moon Bay) 91 Comment
  CHSC60186  Stachys Jan M. Karaz 1979-5-22 35 San Mateo 500 ft w of Canada College Campus Drive, 1.5 mi w of Hwy 280. 5 Comment
  RSA131516  Stachys L. R. Abrams 1909-4-27 s.n. San Mateo Near Pulpit Rock. Comment
  CDA20434  Stachys bullata A. Gilbert 1997-6-8 s.n. - 5 San Mateo San Francisco Bay Area; La Honda. 0 Comment
  JEPS100827  Stachys bullata Dean W. Taylor 2000-6-12 17465 San Mateo Montara Mountain, Scarper Peak, western slope of the peak near the summit 502 Comment
  JROH2897  Stachys bullata John H. Thomas 1967-5-31 12932 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2901  Stachys bullata John Hunter Thomas 1977-6-16 18793 San Mateo Jasper Ridge Biological Preserve, Stanford University; along raised causeway Comment
  UC1537553  Stachys bullata Gordon H. True Jr. 1936-6-7 491 San Mateo 2 mi s Pescadero 15 Comment
  UC1537555  Stachys bullata Gordon H. True Jr. 1936-6-14 503 San Mateo canyon s Saledo Beach (near coast) 152 Comment
  JROH2907  Stachys bullata John Hunter Thomas 1984-5-27 23407 San Mateo Jasper Ridge Biological Preserve, Stanford University; beyond redwood grove along San Francisquito Creek, about 300 yards to the east Comment
  JROH2891  Stachys rigida var. quercetorum Herbert Dengler 1961-4-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; by S.F. Cr. near E corner of preserve Comment
  SJSU15960  Stachys rigida var. rigida John Rawlings, Ken Hickman 2016-5-26 1836 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
  CAS-BOT-BC394060  Stellaria media Josephine D. Randall 1907-6-8 34 San Mateo Portola Valley; Santa Cruz Peninsula Comment
  JROH1791  Stellaria nitens John Hunter Thomas 1988-5-16 24462 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1277  Stephanomeria virgata Toni Corelli 2006-8-8 316 a San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Road E at junction of Trail 14 106 Comment
  CAS-BOT-BC375911  Stephanomeria virgata Le Roy Abrams 1902-9-28 3002 San Mateo New Grade Road - near Portola Comment
  RSA18514  Stephanomeria virgata C. B. Wolf 1927-7-14 606 San Mateo Summit of Kings Mountain Rd. Comment
  JROH5324  Stipa lepida John Hunter Thomas 1981-5-25 20618 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5391  Stipa miliacea var. miliacea Toni Corelli 2004-7-14 280 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 13, In causeway, on south side of Leonard's bridge. 106 Comment
  SJSU7535  Stipa pulchra Lewis S. Rose 1963-4-27 63000 San Mateo Skyline Blvd W of San Mateo 91 Comment
Read comments
Oct 16 2013
  RSA3068  Symphoricarpos albus var. laevigatus C. B. Wolf 1931-8-20 2325 San Mateo Los Trancos Creek, 2 miles back of Stanford University, near Schenkel's Camp. 91 Comment
Read comments
Sep 30 2011
  CAS-BOT-BC237067  Symphoricarpos mollis Elizabeth McClintock 1965-3-28 s.n. San Mateo Devil's Arroyo, San Bruno Mountain Comment
  CAS-BOT-BC99052  Symphyotrichum chilense Lewis S. Rose 1933-10-14 33381 San Mateo Visitacion Valley Comment
  CAS-BOT-BC99088  Symphyotrichum chilense Josephine D. Randall 1907-7-23 54 San Mateo Near Crystal Springs Lake - Santa Cruz Peninsula Comment
  CAS-BOT-BC99100  Symphyotrichum chilense Lewis S. Rose 1966-8-15 66083 San Mateo Pillar Point 1 Comment
  SD30757  Symphyotrichum chilense Edith A. Purer 1933-8-25 5521 San Mateo Spring Valley, along roadside Comment
  UC1192068  Symphyotrichum chilense Malcolm A. Nobs and S. Galen Smith 1949-8-25 1571 San Mateo s of Rockaway Beach Comment
  CAS-BOT-BC99057  Symphyotrichum chilense David D. Keck 1931-9-27 1274 San Mateo Dumbarton Bridge, at roadsides just inland from tide-flats. Comment
  HSC23979  Symphyotrichum chilense Mary Katherine Wicksten 1971-6-24 117 San Mateo Huddart Park, by park entrance Comment
  CAS-BOT-BC376711  Tanacetum bipinnatum Barbara Sherfey; Arthur L. Menzies 1963-9-14 s.n. San Mateo San Bruno Hills 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-BC376870  Taraxacum erythrospermum Walter Knight; Irja Knight 1965-3-21 926 San Mateo San Bruno Mountain. On Power Line Ridge Comment
  UCSB11442  Taraxia ovata Olson, Jim 1962-4-17 San Mateo 1 mile east of Halfmoon Bay; on road to San Mateo 15 Comment
  CAS-BOT-BC447472  Tellima grandiflora A. D. E. Elmer 1903-6-1 4702 San Mateo Pescadero Comment
  RSA159427  Tellima grandiflora John H. Thomas 1961-5-14 9363 San Mateo Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. San Francisco Watershed Reserve. 152 Comment
  CAS-BOT-BC447477  Tellima grandiflora W. R. Dudley 1894-5-27 s.n. San Mateo Near top of King's Mt. Comment
  UC766175  Tetragonia tetragonoides R. F. Hoover 1941-2-12 4754 San Mateo Half Moon Bay Comment
  UCD96952  Tetragonia tetragonoides Beecher Crampton 1962-6-11 6517 San Mateo Pacifica, Rockaway Beach, State Hwy. 1. Comment
  UC634944  Thalictrum fendleri H. L. Mason 1927-4-23 3680 San Mateo summit of road between La Honda and Pescadero Creek Comment
  JROH3503  Thalictrum fendleri var. polycarpum L. R. Abrams 1901-3-1 1171 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3509  Thalictrum fendleri var. polycarpum D. E. Breedlove 1971-5-31 19373 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH3514  Thalictrum fendleri var. polycarpum John Hunter Thomas 1988-4-7 24381 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near dam Comment
  CAS-BOT-BC399849  Thalictrum polycarpum Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo San Bruno Mountain Comment
  RSA100996  Thermopsis californica var. californica G. Oberlander 1950-4-16 745 San Mateo East of Lower Crystal Springs Lake, San Francisco Watershed Reserve. Comment
  JROH1617  Thysanocarpus curvipes John Hunter Thomas 1989-4-8 24625 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  CAS-BOT-BC81494  Torreya californica W. R. D. 1895-3-26 s.n. San Mateo La Honda Comment
  JROH4759  Toxicoscordion fremontii John H. Thomas 1977-4-8 18522 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSC010361  Trifolium Dylan M. Neubauer 2016-5-19 690 San Mateo (SnFrB) Santa Cruz Mountains, headwaters of Waterman Creek, w of Hwy 9 423 Comment
  JEPS128163  Trifolium angustifolium Eric Wrubel 2012-7-1 NPS 43 San Mateo Golden Gate National Recreation Area. Rancho Corral de Tierra, Spine Trail. Comment
  POM88149  Trifolium barbigerum L. R. Abrams 1904-5-5 s.n. San Mateo Jasper Ridge near Stanford University. Comment
  POM88143  Trifolium bifidum L. R. Abrams 1902-5-20 2470 San Mateo Kings Mountain Comment
  UC203053  Trifolium bifidum var. bifidum A. D. E. Elmer April, 1903 4798 San Mateo Portola Comment
  POM223327  Trifolium bifidum var. decipiens L. S. Rose 35134 San Mateo Redwood City Comment
  POM20410  Trifolium ciliolatum A. D. E. Elmer 1903-05 4789 San Mateo Portola. Comment
  UC165612  Trifolium ciliolatum J. Burtt Davy 1893-6-17 775 San Mateo Belmont Comment
  JEPS127789  Trifolium depauperatum var. truncatum Adam C. Schneider with C. Matt Guilliams 2013-4-7 60 San Mateo Along dirt road running parallel to overhead power transmission lines. GPS coordinates approximate. Comment
  JROH2280  Trifolium dubium John Hunter Thomas 1980-4-10 19878 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lab Comment
  JEPS127790  Trifolium fucatum Adam C. Schneider with C. Matt Guilliams 2013-4-7 61 San Mateo Along dirt road running parallel to overhead power transmission lines. GPS coordinates approximate. Comment
  JROH2283  Trifolium fucatum John H. Thomas 1955-5-6 4987 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent grassy slopes Comment
  JROH2289  Trifolium fucatum John H. Thomas 1966-4-12 11565 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2291  Trifolium fucatum John H. Thomas 1974-4-25 17204 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge Comment
  JROH2297  Trifolium fucatum John Hunter Thomas 1981-4-29 20511 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SBBG39547  Trifolium fucatum L. S. Rose 1970-4-8 San Mateo Black Mtn, W of San Mateo 121 Comment
  SJSU15217  Trifolium glomeratum Toni Corelli 2010-5-5 625 San Mateo Ano Nuevo State Park, Cascade Field 9 Comment
  SJSU659  Trifolium grayi J. E. Hagerty 1950-5-20 San Mateo Pescadero Comment
  JROH2322  Trifolium hirtum John Hunter Thomas 1984-4-24 23300 San Mateo Jasper Ridge Biological Preserve, Stanford University; Sand Hill Road fence Comment
  JROH2335  Trifolium hirtum John Hunter Thomas 1992-4-4 25128 San Mateo Jasper Ridge Biological Preserve, Stanford University; near dam Comment
  JROH2338  Trifolium microcephalum John H. Thomas 1956-4-7 5607 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent slopes Comment
  JROH2351  Trifolium subterraneum John Hunter Thomas 1983-4-3 21312 San Mateo Jasper Ridge Biological Preserve, Stanford University; roadside near Searsville Lab Comment
  JROH2365  Trifolium subterraneum John Hunter Thomas 1988-6-2 24500 San Mateo Jasper Ridge Biological Preserve, Stanford University; beach Comment
  JROH2368  Trifolium subterraneum John Hunter Thomas 1992-5-5 25216 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam and vicinity Comment
  JROH2375  Trifolium variegatum John H. Thomas 1956-4-7 5606 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent slopes Comment
  JROH2378  Trifolium variegatum John H. Thomas 1961-4-29 9183 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2386  Trifolium variegatum John Hunter Thomas 1978-4-20 19080 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC867032  Trifolium variegatum T. R. Abrams 1915-6-14 5564 San Mateo Kings Mtn Rd Comment
  UCSC006378  Trifolium variegatum Randall Morgan 1995-6-22 2796 San Mateo On flat top ridge W of Waterman Creek, Redtree Properties 335 Comment
  UC165501  Trifolium variegatum var. melananthum J. Burtt Davy 1895-1 1017 San Mateo Pilarcitos Comment
  RSA95537  Trifolium variegatum var. melananthum L. S. Rose 1953-4-5 53011 San Mateo Redwood City, along Bayshore Highway. 3 Comment
  JROH2401  Trifolium willdenovii John H. Thomas 1971-4-24 15777 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM20398  Trifolium willdenovii A. D. E. Elmer 1903-05 4716 San Mateo Belmont. Comment
  UC204176  Trifolium wormskioldii A. D. E. Elmer May 1903 4644 San Mateo Lake San Andreas Comment
  SJSU118  Triglochin scilloides C. D. Duncan 1931-5-11 San Mateo San Mateo Comment
  CAS-BOT-BC521066  Trillium chloropetalum var. giganteum Elizabeth McClintock 1965-4-11 s.n. San Mateo San Bruno Mountain: Mouth of Colma Canyon near Indian Head Rock Comment
  CAS-BOT-BC521071  Trillium chloropetalum var. giganteum 1922-3-27 s.n. San Mateo Pescadero Creek Comment
  CAS-BOT-BC133429  Trillium ovatum L. R. Abrams 1898-3-5 s.n. San Mateo Kings Mt. Comment
  HSC20846  Triphysaria eriantha subsp. rosea L. S. Rose 1965-3-25 65010 San Mateo San Bruno Mtns., N end 122 Comment
  CAS-BOT-BC238554  Triphysaria floribunda Alice Eastwood 1919-5-19 s.n. San Mateo San Bruno Hills, San Francisco Comment
  CAS-BOT-BC238564  Triphysaria floribunda W. R. Dudley 1899-5-14 s.n. San Mateo The Santa Cruz Peninsula. Baden Comment
  CAS-BOT-BC238574  Triphysaria floribunda W. C. McCalla 1925-4-29 3437 San Mateo Along Skyline Blvd., 15 miles south of San Francisco Comment
  CAS-BOT-BC238579  Triphysaria floribunda Walter Knight; Irja Knight 1964-3-16 s.n. San Mateo San Bruno Mountain. San Bruno Point Comment
  SD60189  Triphysaria floribunda I. L. Wiggins, R. S. Ferris 1932-4-7 8038 A San Mateo Hills above Colma Comment
  UC27202  Triphysaria floribunda J. Burtt Davy 1895-4-20 1028 San Mateo Millbrae Comment
  JROH4132  Triphysaria pusilla John H. Thomas 1956-4-7 5608 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent slopes Comment
  JROH5612  Triphysaria pusilla John Rawlings 2014-4-11 1215 San Mateo Jasper Ridge Biological Preserve, Stanford University; in road G immediately north of its intersection with Rd. J. 105 Comment
  OBI9367  Triphysaria versicolor subsp. faucibarbata Rimo Bacigalupi, G. T. Robbins 1954-6-18 4562 San Mateo Immed behind Point ano Nuevo Comment
  UC1073370  Triphysaria versicolor subsp. versicolor George B. Rossbach 1955-5-29 482 San Mateo Ano Nuevo Point Comment
  UC419721  Triphysaria versicolor subsp. versicolor Mrs. H. P. Bracelin 1930-10-26 132 San Mateo Ocean Rd between Half Moon Bay and Santa Cruz near Pidgeon Point; Ocean Rd btw Half Moon Bay and Santa Cruz Comment
  POM276953  Triteleia hyacinthina Lyman Benson 1930-5-3 2111 San Mateo Woods, above Woodside, Santa Cruz Mtns. 366 Comment
  SEINET182864 Image available Triteleia hyacinthina John Campbell 1925-4-12 San Mateo Burlingame Comment
  SEINET12044735  Triteleia ixioides P. R. Hichborn 1921-1 231 San Mateo Santa Cruz Mountain peninsula Comment
  CAS-BOT-BC523096  Triteleia ixioides subsp. ixioides Fred Hemphill 1973-5-6 783 San Mateo San Carlos, area north of Malabar Road and Melendy Drive 207 Comment
  JROH4744  Triteleia laxa John H. Thomas 1963-5-12 10080 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4750  Triteleia laxa John H. Thomas 1974-5-29 17400 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4753  Triteleia laxa John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC526361  Triteleia laxa Daniel Cohen 1953-6-1 103 San Mateo Los Trancos Comment
  JROH1626  Tropidocarpum gracile John H. Thomas 1977-4-18 18532 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC74053  Turritis glabra John F. Emmel 1971-4-24 344 San Mateo 0.25 mile southwest of Natalie M. Lipman School, south edge of Guadalupe Valley, west edge of Brisbane. 60 Comment
  JROH5535  Typha angustifolia John H. Thomas 1973-6-15 16852 San Mateo Jasper Ridge Biological Preserve, Stanford University. By dam in Searsville Lake Comment
  JROH5578  Typha latifolia John Rawlings 2012-7-9 1202 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near upper lake (west of Portola Rd.) adjacent to power line right-of-way. 106 Comment
  JROH5538  Typha latifolia John Hunter Thomas 1982-11-6 21202 San Mateo Jasper Ridge Biological Preserve, Stanford University. Delta along edge of Searsville Lake Comment
  CAS-BOT-BC213099  Ulex europaeus Roxana S. Ferris 1921-3-21 2119 San Mateo In ravine at edge of ocean; New Year's Point Comment
  JROH4226  Ulmus minor John Hunter Thomas 1992-5-14 25222 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near boat ramp Comment
  SJSU8201  Ulmus parvifolia M. E. Schauss 1978-10-10 San Mateo Sunset Publishing Co, Willow Rd, Menlo Park Comment
  JROH140  Umbellularia californica John Hunter Thomas 1981-2-14 20216 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM177516  Umbellularia californica Harry A. Dutton 1900-2-18 s.n. San Mateo Woodside. Comment
  RSA623612  Umbellularia californica C. B. Wolf 1928-2-11 1471 San Mateo East base of Kings Mountain Road.. . 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
  CAS-BOT-BC382768  Uropappus lindleyi Margaret A. Barry 1937-5-15 132 a San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC382765  Uropappus lindleyi George Oberlander 1949-7-10 714 San Mateo San Francisco Watershed Reserve. Near Skyline Blvd. Comment
  UCR122986  Urtica dioica subsp. gracilis George K. Helmkamp, E. A. Helmkamp 2001-6-2 6780 San Mateo San Francisco Bay Region, Purisima Creek Road, east of Half Moon Bay at Purisima Creek, 3.2 miles east of CA Hwy 1 244 Comment
  CAS-BOT-BC403968  Urtica dioica subsp. gracilis L. R. Abrams 1909-8-1 4246 San Mateo Santa Cruz Peninsula. Between La Honda and Pescadero Comment
  JROH4236  Urtica dioica subsp. holosericea John H. Thomas 1964-10-2 10512 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam along stream Comment
  CAS-BOT-BC404024  Urtica dioica subsp. holosericea George Oberlander 1950-4-16 696 San Mateo San Francisco Watershed Reserve. Pilarcitos Canyon Comment
  POM580641  Urtica urens Lyman D. Benson 1935-5-12 6548 San Mateo Menlo Park 30 Comment
  JEPS58746  Vaccinium ovatum A. D. E. Elmer Apr 1903 4561 San Mateo Kings Mountain Comment
  POM132203  Vaccinium ovatum A. D. E. Elmer 1903-04 4561 San Mateo Kings Mountain. Comment
  RSA10269  Vaccinium ovatum H. A. Barker 1927-5-6 693 San Mateo Summit of Kings Mts. Comment
  RSA187270  Vaccinium parvifolium W. R. Dudley 1908-5-2 s.n. San Mateo Iverson's, upper Pescadero Creek. Comment
  UC306548  Vaccinium parvifolium A. D. E. Elmer May 1903 4924 San Mateo Butano Creek Comment
  UC511343  Vancouveria planipetala Lyman Benson 1931-5-10 2795 San Mateo Woodside; Santa Cruz Mts., Woodside 243 Comment
Read comments
Sep 12 2011
  SEINET3381842 Image available Velaea kelloggii Lewis S. Rose 1939-5-5 s.n. San Mateo San Mateo Canyon. 46 Comment
  JROH4266  Verbena lasiostachys var. lasiostachys John Hunter Thomas 1987-5-26 24318 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4276  Verbena lasiostachys var. scabrida John H. Thomas 1974-10-26 17626 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC306773  Verbena lasiostachys var. scabrida A. D. E. Elmer July, 1903 4950 San Mateo Crystal Springs Lake Comment
  UC112848  Veronica americana Katharine Brandegee July 1908 San Mateo near San Pedro Comment
  CAS-BOT-BC157694  Veronica americana Peter Rubtzoff 1980-8-4 9560 San Mateo San Bruno Mountain. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction, westernmost part of the area on slope across fence. Comment
  RSA14507  Veronica americana I. L. Wiggins 1935-8-24 8162 San Mateo Marshy creek entering bay at Moss Beach. Comment
  UC1252125  Veronica filiformis Mrs. M. C. O'Neil Jr. 1964-5-7 San Mateo 3805 Fernwood Street, San Mateo San Mateo; 3805 Fernwood Street, San Mateo Comment
  UC306601  Veronica peregrina subsp. xalapensis A. D. E. Elmer June, 1903 4268 San Mateo Crystal Springs Lake Comment
  RSA187288  Veronica persica John H. Thomas 1964-4-11 10308 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles SW of Palo Alto. Comment
  RSA172240  Vicia americana var. americana Robert F. Thorne, Percy C. Everett, K. Thorne 1963-6-9 32207 San Mateo On top of San Bruno Mountain, near TV tower. 335 Comment
  RSA788949  Vicia angustifolia Peter Rubtzoff 1977-6-21 9062 San Mateo San Bruno Mountains. Saddle area on N side of Guadalupe Canyon Parkway west of Radio Road junction, upper part of East Fork Colma Creek Canyon. Comment
  RSA397971  Vicia benghalensis E. A. Purer 1932-7-16 15925 San Mateo Near Pigeon Point Comment
  CHSC22681  Vicia sativa Robert A. Schlising; S. Banwar 1963-3-15 2446 San Mateo Along King's Mtn. Road, southeast of entrance to Huddart Park. Comment
  JROH2435  Vicia sativa subsp. nigra John H. Thomas 1975-4-19 17798 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2438  Vicia sativa subsp. nigra John Hunter Thomas 1982-4-28 20867 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2451  Vicia sativa subsp. sativa John Hunter Thomas 1983-4-3 21311 San Mateo Jasper Ridge Biological Preserve, Stanford University; old beach area 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-BC264045  Viola adunca Miss E. Cannon 1899-4-21 s.n. San Mateo E of Colma Comment
  CAS-BOT-BC264048  Viola adunca John H. Thomas 1964-4-30 10354 San Mateo San Bruno Mountain in the N part of county 396 Comment
  UC483497  Viola adunca Ira L. Wiggins 1931-2-21 5091 a San Mateo Pescadero Beach Comment
  SJSU2304  Viola adunca subsp. adunca C. W. Sharsmith 1950-4-16 6633 San Mateo near Pescadero Point near Pescadero Comment
  UCD110660  Viola adunca subsp. adunca A. A. Beetle 1939-3-31 1777 San Mateo Daly City. Comment
  CHSC56604  Viola glabella Steven Triano 1988-5-24 169 San Mateo Ca 0.1 mi w of Old La Honda Road near Martin Creek and 0.4 air miles e of SkyLonda. 381 Comment
  CAS-BOT-BC536831  Viola glabella unspecified no date on label s.n. San Mateo San Gregorio (Redwood) Comment
  POM135301  Viola glabella Stewart H. Burnham 1895-5-8 792 San Mateo Outer Coast Range. Comment
  CHSC56606  Viola ocellata Steven Triano 1988-5-24 171 San Mateo Ca 0.1 mi w of Old La Honda Road near Martin Creek and 0.4 air miles e of Skylonda. 381 Comment
  JROH4285  Viola ocellata H. J. Dengler 1972-5-8 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Eight feet from S.F. Creek by great boulder at redwood grove by Searsville Rocks. Comment
  OBI78517  Viola pedunculata Lewis S. Rose 1965-3-25 65009 San Mateo San Bruno Mts N end 122 Comment
  SEINET215125 Image available Viola sempervirens C. Hendel 1973-4-15 14 San Mateo Tunitas Creek Road 6.5 mi from its jct. with Skyline Boulevard ca. 9 mi S of San Mateo Comment
  CAS-BOT-BC199821  Vulpia Elizabeth McClintock; David Schooly; Kim Marcus 1975-4-13 s.n. San Mateo Above Hillside Blvd., South San Francisco Comment
  CAS-BOT-BC199851  Vulpia bromoides John H. Thomas 1963-5-20 10120 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  CAS-BOT-BC199856  Vulpia bromoides John H. Thomas 1963-5-20 10140 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  CAS-BOT-BC199861  Vulpia bromoides W. R. Dudley 1899-5-14 s.n. San Mateo Top of Sneath Ranch Hill Comment
  CAS-BOT-BC210154  Vulpia bromoides Peter Rubtzoff 1977-6-7 9031 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC184549  Vulpia microstachys var. pauciflora W. R. Dudley 1895-6-6 s.n. San Mateo Pescadero Creek, near Iversons Comment
  POM296601  Vulpia myuros Lyman Benson 1935-1-30 6241 San Mateo Menlo Park; S. F. Bay watershed. 30