Search Results — 2000 specimen records retrieved (1364 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SEINET7042346  Abronia villosa A. G. Vestal 1962-3-26 s.n. San Mateo Laguna Salada. San Francisco South quadrangle UTM Zone 10, 545384mE, 4164305mN. Comment
  JROH1981  Acacia John Hunter Thomas 1983-6-29 22693 San Mateo Jasper Ridge Biological Preserve, Stanford University. Low-flow crossing of San Francisquito Creek Comment
  POM141269  Acaena pinnatifida var. californica C. F. Baker 1902-5-1 688 San Mateo Crystal Springs Lake. Comment
  RSA51240  Acaena pinnatifida var. californica Peter H. Raven 1950-4-16 1795 San Mateo Colma Canyon, San Bruno Mountains. 183 Comment
  UC638681  Acaena pinnatifida var. californica Ethel Crum 1932-4-17 1386 San Mateo South Coast Range, San Gregorio 121 Comment
  CAS-BOT-BC219607  Acanthomintha duttonii A. D. E. Elmer 1903-5-1 4538 San Mateo Crystal Springs Lake Comment
  UC1397619  Acanthomintha duttonii H. Dutton and Miss H. Walker May 26 1915-May 29 1915 321 San Mateo near Menlo Golf Club Comment
  RSA46810  Acer macrophyllum Doris K. Kildale 1929-6-19 8015 San Mateo Kings Mountain Comment
  JEPS85553  Acer macrophyllum Craig Dremann 1986-9-13 336 San Mateo at La Honda creek bridge (mile 8.12) and Cal. Hwy 84 La Honda, at La Honda creek bridge (next to burned-out Boots and Saddle Lodge, La Honda) Comment
  SEINET12234141  Acer macrophyllum Unknown 1932-1 8932 San Mateo La Honda Road 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
  CAS-BOT-BC21552  Achillea millefolium John H. Thomas 1955-4-6 4835 San Mateo San Bruno Mountain just north of South San Francisco 91 Comment
  CAS-BOT-BC21598  Achillea millefolium Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo San Bruno Mountain. Below parking lot. Comment
  JROH443  Achillea millefolium John H. Thomas 1973-6-10 16823 San Mateo Jasper Ridge Biological Preserve, Stanford University 190 Comment
  JROH446  Achillea millefolium John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5896  Achillea millefolium M. Ray 1982-5-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trailside near Whiskey Hill Gate 180 Comment
  CAS-BOT-BC21576  Achillea millefolium David D. Keck 1939-7-1 5011 San Mateo 3 mi. S. of Pescadero, 1 mile from the ocean 60 Comment
  UCSC004912  Achillea millefolium Monica Larenas 1985-6-1 16 San Mateo Hwy 92, summit near intersection with Skyline Blvd Comment
  RSA416209  Achillea millefolium var. californica Glenn A. Gorelick 1967-4-14 s.n. San Mateo San Bruno Mountains, overlooking Daly City near San Francisco. Comment
  JROH462  Achyrachaena mollis John H. Thomas 1971-4-10 15754 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH473  Achyrachaena mollis John Hunter Thomas 1986-5-6 24010 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH476  Achyrachaena mollis John Hunter Thomas 1989-5-9 24712 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2054  Acmispon americanus var. americanus John H. Thomas 1967-6-1 12954 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2069  Acmispon glaber var. glaber John H. Thomas 1970-7-5 15662 San Mateo Jasper Ridge Biological Preserve, Stanford University 152 Comment
  JROH2074  Acmispon glaber var. glaber John Hunter Thomas 1981-5-25 20620 San Mateo Jasper Ridge Biological Preserve, Stanford University 164 Comment
  JROH2084  Acmispon wrangelianus John H. Thomas 1955-5-6 4991 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU15953  Acmispon wrangelianus John Rawlings, Ken Hickman 2016-5-26 1830 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
  UCD35770  Acmispon wrangelianus Beecher Crampton 1962-6-11 6491 San Mateo Pacifica, north city limits, along State Hwy. 1 just southwest of its junction with Skyline Blvd. Comment
  UCD104489  Acmispon wrangelianus Adeline Frederick 1924-2-24 s.n. San Mateo Road from Millbrae to Lake San Andreas. Comment
  SEINET5537616  Aconitum columbianum H. S. Gentry 1931-1 76 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  CAS-BOT-BC391676  Actaea rubra W. R. Dudley 1895-9-15 s.n. San Mateo Santa Cruz Peninsula. El Corte Madera, Lumber Camp Comment
  CAS-BOT-BC391680  Actaea rubra George Oberlander 1949-6-25 237 San Mateo San Francisco Watershed Reserve. Near San Andreas Lake Comment
  CAS-BOT-BC391681  Actaea rubra Roland Block 1924-7-1 s.n. San Mateo King Mountain Comment
  POM270478  Actaea rubra subsp. arguta Lyman Benson 1937-7-15 8450 San Mateo Upper San Francisquito Creek, Santa Cruz Mountains; San Francisco Bay watershed. 244 Comment
  RSA18493  Actaea rubra subsp. arguta Carl B. Wolf 1927-7-14 627 San Mateo Summit of La Honda Grade Comment
  CAS-BOT-BC139952  Adenostoma fasciculatum Fred Hemphill 1973-4-22 744 San Mateo San Carlos, area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC139960  Adenostoma fasciculatum Linda Fox 1969-6-20 1001 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  CAS-BOT-BC139961  Adenostoma fasciculatum L. S. Rose 1941-6-12 41270 San Mateo Emerald Lake, hills west of Redwood City 120 Comment
  JROH3583  Adenostoma fasciculatum var. fasciculatum John H. Thomas 1969-5-28 15078 San Mateo Jasper Ridge Biological Preserve, Stanford University 136 Comment
  JROH3585  Adenostoma fasciculatum var. fasciculatum John H. Thomas 1974-5-29 17403 San Mateo Jasper Ridge Biological Preserve, Stanford University. Chaparral near Riders' shack 145 Comment
  RSA18438  Adenostoma fasciculatum var. fasciculatum Carl B. Wolf 1927-6-29 570 San Mateo Near La Honda, Santa Cruz Mts. Comment
  JROH90  Adiantum jordanii John H. Thomas 1976-4-2 18077 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  SEINET3153091  Adiantum jordanii L. S. Rose 1939-5-13 39113 San Mateo Canyon W of Burlingame 61 Comment
  RSA15284  Adiantum jordanii C. B. Wolf 1927-4-3 252 San Mateo 1 mile above La Honda. Santa Cruz Mountains Comment
  RSA18303  Aesculus californica Carl B. Wolf 1927-5-31 413 San Mateo North end of Searsville Lake. Comment
  RSA18495  Agoseris grandiflora C. B. Wolf 1927-7-14 625 San Mateo 1 mile south of summit of Kings Mt on Skyline Drive. Comment
  JROH484  Agoseris grandiflora var. grandiflora John Hunter Thomas 1981-5-8 20557 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC29378  Agoseris grandiflora var. grandiflora J. Burtt Davy Jun 21 1893-Jun 23 1893 1126 San Mateo Pilarcitos Lake and Canon Pilarcitos Lake and Canon Comment
  CAS-BOT-BC46175  Agoseris heterophylla Ned Cahill 1974-4-29 178 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JROH495  Agoseris heterophylla John Hunter Thomas 1988-6-2 24493 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  POM292575  Agoseris heterophylla Arthur L. Cohen 1935-4-21 626 San Mateo Jasper Ridge 122 Comment
  CAS-BOT-BC15235  Agoseris hirsuta David D. Keck 1932-5-6 1461 San Mateo near Belmont Comment
  CAS-BOT-BC15239  Agoseris hirsuta Josephine D. Randall 1907-11-9 s.n. San Mateo Alpine road to Black Mountain Comment
  CAS-BOT-BC15247  Agoseris hirsuta Elizabeth McClintock; Phillip C. Wheeler 1965-5-23 s.n. San Mateo San Bruno Mountain, top of ridge East of Nike Station Comment
  SEINET10661050  Agropyron repens P. Rubtzoff 1977-6-21 Rubtzoff 9055 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Westernmost part of the area on slope across fence. Comment
  JROH4778  Agrostis capillaris John Rawlings 2008-6-25 1044 San Mateo Jasper Ridge Biological Preserve, Stanford University; seven yards from paved road in middle of the blocked-off dirt path leading to Causeway Bridge 105 Comment
  JROH4781  Agrostis exarata W. R. Dudley 1903-1-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lake Comment
  JROH4786  Agrostis exarata John Rawlings 2004-7-23 1042 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 12, south of first footbridge 124 Comment
  UC1100234  Agrostis exarata Malcolm A. Nobs, S. Galen Smith 1949-8-26 1612 San Mateo ca 1 mi s Pigeon Point Comment
  UC36879  Agrostis exarata Michener and Bioletti 1893-6-15 134 San Mateo Baden Comment
  CAS-BOT-BC139462  Agrostis hallii Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo San Bruno Mountain. Below parking lot. Comment
  SJSU15959  Agrostis pallens John Rawlings, Ken Hickman 2016-5-26 1835 B San Mateo Serpentine seep area up-slope from the Hwy 92 west onramp to Hwy 280 north; down-slope from San Francisco Watershed fence line 122 Comment
  SEINET11673837  Agrostis pallens H. E. Weiser 1932-1 s.n. San Mateo Black Mtn Road, Hillsborough Hills, near Burlingame Comment
  UCD53588  Agrostis stolonifera Malcolm A. Nobs; S. Galen Smith 1949-8-25 1550 San Mateo Sharp Park. Comment
  CAS-BOT-BC138567  Agrostis variabilis W. R. Dudley 1894-7-7 s.n. San Mateo By spring and watering trough halfway up Bear Gulch Road. Comment
  UC766883  Agrostis viridis R. F. Hoover 1940-9-1 4548 San Mateo La Honda summit La Honda Comment
  JROH4826  Aira caryophyllea John H. Thomas 1975-5-26 17890 San Mateo Jasper Ridge Biological Preserve, Stanford University 193 Comment
  RSA195578  Aira caryophyllea John H. Thomas 1966-4-22 11570 San Mateo Jasper Ridge Biological Experimental Area. About 5 miles SW of Palo Alto. 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-BC467294  Allium dichlamydeum Philip C. Wheeler 1965-5-8 s.n. San Mateo Sierra Point Comment
  CAS-BOT-BC469034  Allium falcifolium Robert F. Hoover 1941-4-23 4907 San Mateo Redwood City Hills Comment
  RSA244729  Allium neapolitanum J. Ed McClellan, Bonnie McClellan 1972-04 s.n. San Mateo Bernal Ave., Burlingame. Comment
  CAS-BOT-BC475496  Allium triquetrum P. C. Wheeler 1966-3-27 s.n. San Mateo Crocker Industrial Park, San Bruno Mountain Comment
  CAS-BOT-BC169357  Alnus rubra W. R. Dudley 1902-12-31 s.n. San Mateo Along Gazos Creek Comment
  LA206319  Alopecurus saccatus D. Keck; 1932-5-6 1472 San Mateo Burlingame, N city limits Comment
  JROH177  Amaranthus albus Ann Lambrecht, Carol Zabel 2006-7-26 25 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH178  Amaranthus retroflexus John H. Thomas 1974-10-29 17651 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4575  Amaryllis belladonna Ann Lambrecht 2007-9-5 43 San Mateo Jasper Ridge Biological Preserve, Stanford University. At old garden near Douglas iris site. Comment
  RSA118964  Ambrosia chamissonis L. S. Rose 1956-8-13 56144 San Mateo San Mateo County, Princeton. 6 Comment
  CAS-BOT-BC136826  Amelanchier utahensis John H. Thomas 1961-5-7 9278 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC136835  Amelanchier utahensis L. R. Abrams 1916-4-22 5577 San Mateo Pilarcitos [Canon] Canyon 3 Comment
  CAS-BOT-BC214045  Amsinckia Mrs. E. C. Sutliffe 1933-5-7 s.n. San Mateo 1 mile west of Menlo Park on Alpine Creek Road Comment
  JEPS26834  Amsinckia intermedia Rimo Bacigalupi with H. G. Baker and L. R. Heckard 1961-5-14 7697 San Mateo 3/4 mi below and se of Stone Dam Resevoir (in canyon of Pilarcitos Creek, w base of Cahill Ridge); Pilarcitos Creek 152 Comment
  JROH1341  Amsinckia intermedia John Hunter Thomas 1983-4-5 21321 San Mateo Jasper Ridge Biological Preserve, Stanford University; low-flow crossing Comment
  RSA0089685  Amsinckia intermedia G. Oberlander 1949-5-21 151 San Mateo Top of Cahill Ridge, San Francisco Watershed Reserve. Comment
  JROH1348  Amsinckia menziesii H. J. Dengler 1972-4-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; above east margin of Searsville Lake by trail Comment
  CHSC57069  Amsinckia spectabilis var. spectabilis Steven Triano 1988-5-24 213 San Mateo Located ca 750 ft s of Hwy. 1 and 2.9 mi s of Pigeon Point Light Station. 24 Comment
  JROH3374  Anagallis minima John H. Thomas 1974-4-25 17214 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC45181  Anaphalis margaritacea John Hunter Thomas 1963-9-11 10265 San Mateo San Bruno Mountain, in northern part of country 396 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-BC391922  Anemone grayi George Oberlander 1950-3-18 354 San Mateo San Francisco Watershed Reserve. On Cahill Ridge Comment
  UC463321  Anemone oregana W. R. Dudley 1894-3-26 San Mateo redwoods beyond King's Mt. House; Santa Cruz Peninsula Comment
  RSA492532  Angelica hendersonii Lyman Benson 1937-6-27 8397 San Mateo Moss Beach Comment
  UC648295  Angelica hendersonii Alice Eastwood, John Thomas Howell 1939-7-9 7441 San Mateo e of La Honda (Skyline Boulevard); Skyline Boulevard Comment
  POM132666  Angelica tomentosa var. tomentosa A. D. E. Elmer 1903-07 4998 San Mateo Crystal Springs Lake, southern end Comment
  CAS-BOT-BC273172  Anisocarpus madioides W. R. Dudley 1895-6-5 4209 San Mateo Santa Cruz Mountain Peninsula. Redwoods - Pescadero Creek Comment
  UC1080539  Anisocarpus madioides S. S. Tillett and I. Sternback 1956-6-24 529 San Mateo n of (behind) Portola Camp Store (just outside Portola State Park, Middleton property) 396 Comment
  HSC24049  Anisocarpus madioides Mary Katherine Wicksten 1971-6-16 36 San Mateo Bank at Huddart Park, by Werder Flat Comment
  JROH497  Anisocarpus madioides H. J. Dengler 1972-5-31 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; below redwood grove along S.F. Creek at Searsville Rocks. Growing at Violet Site - also on hillside 100 yds. south of Tiger Lily Site Comment
  JEPS13142  Anthemis cotula W. L. Jepson 1928-7-11 12939 San Mateo Redwood City 3 Comment
  CAS-BOT-BC102290  Anthemis cotula Saichi Kawahara 1968-7-29 458 San Mateo Old Stage Road, south bank of Pomponio Creek 36 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-BC280673  Anthoxanthum nitens John H. Thomas 1974-5-9 17330 San Mateo San Pedro Valley, Northern part of county, inland from Pacifica 152 Comment
Read comments
Jul 28 2017
  CAS-BOT-BC280638  Anthoxanthum occidentale L. R. A. 1902-1-7 2258 San Mateo Kings Mountain Comment
  CAS-BOT-BC280644  Anthoxanthum occidentale W. R. Dudley 1903-5-2 s.n. San Mateo Santa Cruz Mountain Peninsula. Moore's Place, Pescadero Creek Comment
  JROH193  Anthriscus caucalis John H. Thomas 1966-4-22 11571 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH196  Anthriscus caucalis John H. Thomas 1973-4-14 16554 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC454477  Aphanes occidentalis John H. Thomas 1964-4-30 10371 San Mateo San Bruno Mountain in Northern part of county. 396 Comment
  JROH3603  Aphanes occidentalis John H. Thomas 1973-4-14 16564 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC454479  Aphanes occidentalis Walter & Irja Knight 1965-3-21 949 San Mateo North Power Line Ridge, San Bruno Mountain Comment
  CAS-BOT-BC454495  Aphanes occidentalis H. A. Dutton 1900-3-11 s.n. San Mateo Woodside serpentine, Santa Cruz Pennisula Comment
  RSA131269  Apocynum pumilum var. rhomboideum H. L. Mason 1931-7-14 s.n. San Mateo Pescadero Creek, La Honda Road. Comment
  CAS-BOT-BC392063  Aquilegia eximia A. D. E. Elmer 1903-6-1 4271 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC392069  Aquilegia eximia George Oberlander 1950-6-3 1095 San Mateo San Francisco Watershed Reserve. Near south boundary Comment
  CAS-BOT-BC405853  Aquilegia formosa David D. Keck 1932-5-11 1771 San Mateo Three miles west of Kings Mountain, on the road to Tunitas, west slope of Santa Cruz Mountains. 450 Comment
  CAS-BOT-BC405857  Aquilegia formosa Josephine Randall 1908-4-12 s.n. San Mateo King's Mt. Road Comment
  CAS-BOT-BC405899  Aquilegia formosa Phillip Wheeler 1965-3-28 s.n. San Mateo Columbine Gulch Comment
  CAS-BOT-BC17337  Arabis blepharophylla David D. Keck 1933-5-11 2304 San Mateo Montara Summit, Montara Mountain. Comment
  JEPS52990  Arabis blepharophylla W. L. Jepson 1891-4-4 5 i San Mateo San Bruno Hills Comment
  JROH1436  Arabis blepharophylla John Hunter Thomas 1984-4-2 23273 3 G 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
  SEINET11989202  Arabis blepharophylla E. McClintock, Knight, W.; Knight, I. 1982-1 4640 San Mateo Kamchatka Point, San Bruno Mountains 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
  UC1300998  Arabis glabra Helen K. Sharsmith 1963-2-16 5142 San Mateo above Daly City (lower slopes of San Bruno Mountain); San Francisco Bay Region, San Bruno Mountain 106 Comment
  RSA0125763  Arabis glabra C. B. Wolf 1927-7-14 609 San Mateo Summit of Kings Mountain Rd. Comment
  CAS-BOT-BC128674  Arbutus menziesii Ned Cahill 1974-4-30 233 San Mateo Chaparral near the intersection of Canada and Edgewood Roads, about 3 mi. westward from Redwood City. Comment
  CAS-BOT-BC24164  Arctostaphylos John H. Thomas 1967-2-9 12401 San Mateo Montara Mountain in Northern part of county. Between Pacifica and Montara. Comment
  SEINET11989289  Arctostaphylos S. W. Edwards 1982-1 s.n. San Mateo Foothill Park Comment
  CAS-BOT-BC24171  Arctostaphylos andersonii Gary D. Wallace 1974-12-28 1375 San Mateo Northern Santa Cruz Mtns. S of Upper Crystal Springs Res. along Skyline Blvd. 2.8 mimi N of jct. of King Mtn. Rd. oppos 640 Comment
  JEPS48587  Arctostaphylos andersonii James G. Daly 1934-1-1 175 San Mateo Middle La Honda Canyon Santa Cruz Mountains, San Gregorio Watershed Comment
  RSA252169  Arctostaphylos andersonii G. D. Wallace 1974-12-28 1375 San Mateo Northern Santa Cruz Mtns., S of Upper Crystal Springs Res. along Skyline Blvd. 2.8 mi N of jct. of King Mtn. Rd. opposite Farwell's Rhododendron Nursery. Within fog belt. 640 Comment
  UCD50304  Arctostaphylos andersonii Roman Gankin 1959-2-22 323 San Mateo 1.2 miles from junction of State Hwy 5 on King's Mt. Road. Comment
  UCD50391  Arctostaphylos andersonii Robert E. Preston 2001-6-1 1537 San Mateo Ca. 7 mi. nw of Boulder Creek. 658 Comment
  SEINET11977844  Arctostaphylos andersonii L. S. Rose 1934-1 34026 San Mateo Skyline Blvd, 4 mi S Kings Mountain 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-BC23501  Arctostaphylos crustacea Brandegee 1889-4-1 8 San Mateo Redwood City Comment
  CAS-BOT-BC23515  Arctostaphylos crustacea John Thomas Howell 1924-2-23 261 San Mateo King Mt. Comment
  CAS-BOT-BC23544  Arctostaphylos crustacea J. I. McMurphy 1906-3-9 7 San Mateo King's Mt., Santa Cruz Mts. 487 Comment
  JROH1932  Arctostaphylos crustacea subsp. crustacea John H. Thomas 1970-7-5 15665 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SBBG83928  Arctostaphylos crustacea subsp. crustacea R. Gankin 1959-2-22 322 San Mateo 2.8 mi from jct with Hwy 5 on King's Mtn Rd Comment
  CAS-BOT-BC24734  Arctostaphylos glandulosa subsp. glandulosa Walter Knight; Roger Raiche 1982-1-23 4420 San Mateo San Bruno Mtn. Buckeye Canyon on Oak Ridge. 102 Comment
  CAS-BOT-BC24488  Arctostaphylos imbricata Lewis S. Rose 1955-2-25 55002 San Mateo San Bruno Hills. Type Locality. Comment
  CAS-BOT-BC24500  Arctostaphylos imbricata James B. Roof 1961-4-18 s.n. San Mateo From ne. face of San Bruno Mountain, northern San Mateo Co. 335 Comment
  JEPS91231  Arctostaphylos imbricata Dean W. Taylor 1988-4-29 9584 San Mateo San Bruno Mountain, northern slope of mountain 0.3 miles N22d W of summit, 371 Comment
  RSA167604  Arctostaphylos imbricata R. F. Thorne, Percy C. Everett, K. Thorne 1963-6-9 32243 San Mateo On top of San Bruno Mt. neart TV tower. 335 Comment
  CAS-BOT-BC39823  Arctostaphylos pacifica Walter Knight; Irja Knight 1981-3-1 4049 San Mateo From Tilden Botanic Garden, Berkeley. Originally collected from San Bruno Mountain. Comment
  RSA633496  Arctostaphylos pacifica Jon E. Keeley 1996-6-24 27571 San Mateo On knob below end of paved road at top of San Bruno Mountain. 350 Comment
  CAS-BOT-BC44748  Arctostaphylos regismontana W. R. Dudley 1902-5-17 s.n. San Mateo Near King's Mountain Road 457 Comment
  OBI14513  Arctostaphylos regismontana Lewis S. Rose 1961-2-16 61003 San Mateo Kings Mountain 610 Comment
  UC549744  Arctostaphylos regismontana Lewis S. Rose 1934-2-10 34026 San Mateo Skyline Blvd 4 mi s Kings Mountain (region of type) Comment
  UC762307  Arctostaphylos regismontana R. F. Hoover 1941-2-12 4768 San Mateo Kings Mountain Comment
  UCD166159  Arctostaphylos sensitiva Jack Major; M. Forde and S. Bamberg 1962-4-3 741 b San Mateo Near Ano Nuevo Point. (Exact location unknown. Coordinates estimated by label maker.) Comment
Read comments
Oct 15 2021
  SEINET11989293  Arctostaphylos tomentosa S. W. Edwards 1982-1 s.n. San Mateo Foothill Park near summit of SW ridge Comment
  HSC24032  Arctostaphylos tomentosa subsp. crustacea Mary Katherine Wicksten 1971-6-17 29 San Mateo Huddart Park, Zwierlein Trail Comment
  HSC7756  Arctostaphylos tomentosa subsp. crustacea L. S. Rose 1969-3-27 69006 San Mateo Kings Mountain Road, 4 mi. W of Woodside 305 Comment
  POM131770  Arctostaphylos tomentosa subsp. crustacea C. F. Baker 1902-5-10 817 San Mateo Kings Mountain. Comment
  POM299443  Arctostaphylos tomentosa subsp. crustacea L. S. Rose 1942-3-30 42007 San Mateo Kings Mountain. 183 Comment
  RSA636848  Arctostaphylos tomentosa subsp. crustacea Jon E. Keeley, Melanie Baer-Keeley 1993-9-8 24648 San Mateo NW side of Montara Mtn. 150 Comment
  SD38436  Arctostaphylos tomentosa subsp. crustacea Edith A. Purer 1933-5-23 3607 San Mateo Skylline Comment
  CAS-BOT-BC46827  Arctostaphylos uva-ursi Arthur L. Menzies 1963-3-10 s.n. San Mateo San Bruno Hills, N.W. of first Television Tower Comment
  UCR58388  Arctostaphylos uva-ursi subsp. coactilis Walter Knight 1980-4-28 3735 San Mateo Original collected in 1963 by James Roof from Powerline Ridge, San Bruno Mt. (Tilden Botanic Garden, Berkeley) Comment
  SEINET11987303  Arctostaphylos uva-ursi var. coactilis J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4201 San Mateo Strybing Arboretum, Golden Gate Park, San Francisco, orig. from San Bruno Mt Comment
  SEINET11987482  Arctostaphylos uva-ursi var. coactilis J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4200 San Mateo Strybing Arboretum, Golden Gate Park, San Francisco, orig. from Samoa Sand Spit Comment
  CHSC39823  Armeria maritima subsp. californica Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  JEPS26346  Armeria maritima subsp. californica Adele Lewis Grant 1917-5-6 940 San Mateo nr. Pescadero; Pebble Beach 3 Comment
  SD88449  Armeria maritima subsp. californica Darley F. Howe 1972-6-25 San Mateo 7.5 miles north of Half Moon Bay. Comment
  UCD98491  Armeria maritima subsp. californica Kathyrn L. Koch 1965-5-1 48 San Mateo Arroyo de los Frijoles Beach State Park, just south of State Highway 1 junction. Comment
  CAS-BOT-BC84884  Artemisia californica Walter Knight; Irja Knight 1963-7-14 297 San Mateo San Bruno Mountain, ridge above Buckeye Canyon Comment
  RSA94535  Artemisia californica F. W. Peirson 1925-9-13 6429 San Mateo Rockaway beach. Comment
  SEINET11853229  Artemisia californica Unknown 1930-1 7303 San Mateo Menlo Park Golf Court Comment
  POM289331  Artemisia douglasiana Lyman Benson 1937-7-8 8448 San Mateo Lake Searsville, Stanford, Mt. Range: Santa Cruz; Watershed: San Francisco Bay 122 Comment
  CAS-BOT-BC93931  Artemisia douglasiana Walter Knight; Irja Knight 1963-10-7 326 San Mateo San Bruno Mountain, Cow Trough Ravine Comment
  RSA417297  Artemisia douglasiana E. S. Spalding 1923-8-3 s.n. San Mateo 3 miles W of Redwood City, near Pulgas Tunnel. Comment
  CHSC56966  Artemisia pycnocephala Steven Triano 1988-5-24 187 San Mateo W of Hwy 1 ca 0.2 mi N of Pescadero Road. 9 Comment
  POM268915  Asclepias cordifolia Lyman Benson 1930-5-3 s.n. San Mateo Above Woodside, La Honda Grade 244 Comment
  JROH434  Asclepias fascicularis John Hunter Thomas 1977-6-7 18729 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET219238  Asclepias fascicularis Cynthia Taylor 1971-6-8 153 San Mateo Corner of Watkins Avenue and Railroad tracks, Atherton. 17 Comment
  SEINET946245  Asteraceae J. A. Reese 1962-1 San Mateo In rear of home of J.J. Reese; 286 Whiskey Hill Road, Woodside 122 Comment
  SEINET946308  Asteraceae C. B. Wolf 1934-1 6240 San Mateo Coastal bluff, 200 yds. South of Pigeon Pt. Lighthouse 15 Comment
  CAS-BOT-BC186766  Astragalus gambelianus H. A. Dutton 1900-3-11 s.n. San Mateo Woodside Comment
  CAS-BOT-BC186770  Astragalus gambelianus Lewis S. Rose 1956-7-2 56113 San Mateo Skyline Blvd., hills w. of San Mateo 182 Comment
  JROH1988  Astragalus gambelianus John H. Thomas 1961-4-4 9044 E San Mateo Jasper Ridge Biological Preserve, Stanford University; near Westridge end of ridge Comment
  RSA633304  Astragalus gambelianus Michael A. Vincent, Ethan H. Freid, Karl Vincent 1998-4-9 8203 San Mateo Along east side of Canada Road, ca. 200 yards southeast of its junction with Edgewood Road, just southwest of I-280, at Filoli Center. Comment
  UC903409  Astragalus gambelianus Lois E. James 1947-4-11 1758 San Mateo hills back Redwood City; hills back of Redwood City Comment
  SD87780  Astragalus menziesii Frank W. Peirson 1925-9-13 6424 San Mateo Rockaway Beach, in detritus at the foot of cliffs at sea level Comment
  CAS-BOT-BC177969  Astragalus nuttallii var. virgatus W. R. Dudley 1896-4-17 s.n. San Mateo Pasture near Pebble Beach, Pescadero - Santa Cruz Peninsula Comment
  CAS-BOT-BC186569  Astragalus nuttallii var. virgatus C. F. B. 1903-6-30 3358 San Mateo Pillar Point Comment
  CHSC40740  Astragalus nuttallii var. virgatus Delzie Demaree 1933-6-12 10376 San Mateo Baden Station, South San Francisco. Comment
  SD12561  Astragalus nuttallii var. virgatus Edith A. Purer 1933-8-25 5514 San Mateo Skyline Drive. Comment
  SD40165  Astragalus nuttallii var. virgatus Edith A. Purer 1933-7-27 5356 San Mateo High stabilized sand dunes, Pigeon Point. Comment
  JEPS54799  Astragalus pycnostachyus William S. Cooper 1925-5-28 17 San Mateo Tunitas Comment
  CAS-BOT-BC193091  Astragalus pycnostachyus var. pycnostachyus Alice Eastwood; John Thomas Howell 1938-6-26 6064 San Mateo Arroyo de los Frijoles Comment
  CDA26741  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
  RSA294164  Astragalus pycnostachyus var. pycnostachyus Robert A. Norris, John L. Inase, Allen Nakagawa 1981-7-25 4225 San Mateo N of mouth of Pescadero Creek, Pescadero State Beach. Comment
  UC863038  Astragalus pycnostachyus var. pycnostachyus Alice Eastwood, John Thomas Howell 1938-6-26 6064 San Mateo Arroyo de los Frijoles Comment
  UC499711  Atriplex hortensis L. R. Abrams 1932-8-22 13410 San Mateo Bayshore Highway near Redwood City; near Redwood City Comment
  UC205348  Atriplex leucophylla Katharine Brandegee 1913-8-11 San Mateo Tobin Comment
  SEINET4135302  Atriplex leucophylla Lewis S. Rose 1941-9-27 41460 San Mateo Princeton, CA.; 0 2 Comment
  SEINET4135307  Atriplex leucophylla L. Thorne, N. Thorne 1990-7-4 1 San Mateo Half Moon Bay Harbor.; 0 Comment
  UCD54556  Atriplex patula Ellen Dean; Tom Starbuck, Margaret Starbuck 2005-10-16 2746 San Mateo Town of Miramar, N of Half Moon Bay. Along Mirada Rd. on coastal bluff overlooking beach. Comment
  JROH1805  Atriplex prostrata Roxana S. Ferris 1924-10-6 4095 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake on Portola Highway Comment
  UCD97642  Atriplex prostrata H. C. Stutz 1995-10-3 9833 San Mateo Half Moon Bay. Comment
  SD38027  Atriplex rosea Edith A. Purer 1933-8-13 5419 San Mateo Belmont Comment
  JEPS128391  Avena barbata Adam C. Schneider 2013-5-17 147 San Mateo Crystal Springs Reservoir. Comment
  JROH4842  Avena barbata W. Lennihan 1989-4-6 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 9 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
  CAS-BOT-BC145960  Avena fatua Elizabeth McClintock; Paul Reeberg 1989-3-19 s.n. San Mateo San Bruno Mountains. Shearwater. 91 Comment
  UCD56301  Avena fatua P. B. Kennedy 1928-5-2 s.n. San Mateo E of Daly City. Comment
  POM289916  Baccharis douglasii Lyman Benson 1937-7-25 8471 San Mateo Lake Searsville; Mt. range: Santa Cruz; Drainage area: San Francisco Bay. 122 Comment
  RSA418224  Baccharis douglasii Edith A. Purer 1932-7-18 16266 San Mateo Near Pigeon Point Comment
  JROH541  Baccharis glutinosa John Hunter Thomas 1982-7-22 21089 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1192162  Baccharis glutinosa Malcolm A. Nobs and S. Galen Smith 1949-8-25 1573 San Mateo south of Rockaway Beach Comment
  UCR256527  Baccharis glutinosa Peter Rubtzoff 1976-10-5 8908 San Mateo San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 213 Comment
  CAS-BOT-BC99516  Baccharis pilularis W. R. Dudley 1894-12-13 s.n. San Mateo Above Preston's, La Honda Road Comment
  CAS-BOT-BC99518  Baccharis pilularis H. L. Mason 1922-3-27 s.n. San Mateo near mouth of Arroyo de los Frijoles Comment
  CAS-BOT-BC99521  Baccharis pilularis Ned Cahill 1974-10-8 376 San Mateo near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC99535  Baccharis pilularis Louis F. Pitelka 1974-5-28 s.n. San Mateo Bolsa Point, about 1 mi N of Pigeon Point and about 39 mi S of San Francisco Comment
  CAS-BOT-BC99539  Baccharis pilularis P. C. Everett 1934-8-19 6068 San Mateo Pescadero 198 Comment
  POM56595  Baccharis pilularis C. F. Baker 1902-10-1 1740 San Mateo Pillar Point. Comment
  JROH552  Baccharis pilularis subsp. consanguinea John H. Thomas 1978-9-24 19336 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC16620  Barbarea orthoceras Fred Hemphill 1973-4-8 621 San Mateo San Carlos. Area north of Malabar Road and Melendy Drive. 207 Comment
  CAS-BOT-BC16622  Barbarea orthoceras Fred Hemphill 1973-3-1 703 San Mateo San Carlos. Area north of Malabar Road and Melendy Drive. 207 Comment
  CAS-BOT-BC16633  Barbarea orthoceras Walter Knight; Irja Knight 1965-3-14 933 San Mateo San Bruno Mountain. Manzanita Dyke north of mountain summit. Comment
  CAS-BOT-BC16634  Barbarea orthoceras Walter Knight; Irja Knight 1965-3-15 1236 San Mateo Colma Canyon - San Bruno Mountain. Comment
  JROH1444  Barbarea orthoceras John H. Thomas 1974-4-4 17081 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1452  Barbarea orthoceras John Hunter Thomas 1988-4-6 24373 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JEPS35291  Bellardia trixago J. H. Thomas 1962-5-8 9852 San Mateo Pigeon Point Comment
  JROH3931  Bellardia trixago Toni Corelli 2004-4-22 272 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 9 between trail c and trail 10 on both sides of trail 190 Comment
  CAS-BOT-BC75864  Berberis pinnata Walter Knight; Walter Knight 1963-6-24 982 San Mateo San Bruno Mountains. Quarry 4. Comment
  CAS-BOT-BC75871  Berberis pinnata Alice Eastwood 1915-3-13 s.n. San Mateo San Bruno Hills. Comment
  UC306615  Berberis pinnata A. D. E. Elmer April, 1903 4820 San Mateo San Bruno Hills Comment
  JROH1322  Berberis pinnata subsp. pinnata John Rawlings 2007-4-1 0909 San Mateo Jasper Ridge Biological Preserve, Stanford University. Intersection Trail 1 and Trail 5. 84 Comment
  NY31023  Blennosperma californicum A. D. E. Elmer 05 1903 4521 San Mateo San Bruno Hills Comment
  CAS-BOT-BC31090  Bolboschoenus maritimus W. Knight; I. Knight 1966-10-4 2047 San Mateo Crocker Hills marsh between Geneva and Guadalupe parkway. Comment
  CAS-BOT-BC31092  Bolboschoenus maritimus George Thomas Oberlander 1949-7-24 311 San Mateo Marsh, Upper Crystal Spr. Lake Comment
  SJSU15761  Bolboschoenus maritimus subsp. paludosus Toni Corelli 2009-9-22 431 San Mateo Pomponio State Beach west of Hwy. 1 4 Comment
  CAS-BOT-BC95348  Bowlesia incana Ned Cahill 1975-1-8 391 San Mateo Near jct. of Canada and Edgewood roads, about 3 mi. W of Redwood City Comment
  CAS-BOT-BC145405  Brachypodium distachyon Glenn L. Clifton 1988-5-11 17090 San Mateo Santa Cruz Mountains. San Bruno Mountain, crest of northeast ridge of Guadalupe Hills (separating Guadalupe Valley from Vistacion Valley). Right of way of eastern most set of PG&E high voltage powerlines crossing the mountian. 128 Comment
  JROH4854  Brachypodium distachyon W. Lennihan 1980-5-19 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; eastern draw trail to San Francisquito Creek, about 1/3rd way down Comment
  SJSU15939  Brachypodium distachyon John Rawlings, Ken Hickman 2016-5-26 1815 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
  CDA36480  Brachypodium sylvaticum Ellen Gartside 2011-7-14 s.n. San Mateo Woodside; Old La Honda Rd. Comment
  CAS-BOT-BC30268  Brassica nigra R. Bacigalupi 1946-7-6 2794 San Mateo Near junction of Belmont-Las Pulgas roads, close to Crystal Springs Lake. Comment
  CAS-BOT-BC36666  Brassica oleracea John H. Thomas 1955-11-9 5506 San Mateo Near Sanchez Adobe House, San Pedro Valley, about 8.5 miles south of San Francisco - San Mateo County line. Comment
  RSA195672  Brassica oleracea J. T. Howell 1966-5-28 11644 San Mateo In central part of Menlo Park near Post Office. Comment
Read comments
Jul 14 2014
  RSA15631  Brassica oleracea C. B. Wolf 1927-6-15 1468 San Mateo Along Skyline Drive, 8 mi. S of San Francisco. Comment
  JROH1461  Brassica rapa John H. Thomas 1969-4-12 14887 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH1468  Brassica rapa John Hunter Thomas 1980-4-10 19866 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC145323  Briza minor Margaret A. Barry 1937-5-15 125 San Mateo Coal Mine Ridge. Comment
  CAS-BOT-BC145327  Briza minor Copeland 1903-5-24 3257 San Mateo Above Crystal Springs Lake. Comment
  CAS-BOT-BC145329  Briza minor A. A. Beetle 1941-4-20 1738 San Mateo Near San Carlos. Comment
  CAS-BOT-BC145332  Briza minor John H. Thomas 1950-4-27 1692 A San Mateo King's Mountain Road. Comment
  CAS-BOT-BC145342  Briza minor A. A. Beetle 1941-4-20 1738 San Mateo Near San Carlos. Comment
  JROH4884  Briza minor John H. Thomas 1976-4-30 18102 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  SD227692  Briza minor G. K. Helmkamp, E. A. Helmkamp 1998-5-16 3747 San Mateo Portola Valley: Golden Hills Rd along Los Trancos Creek. 106 Comment
  UC790954  Briza minor A. A. Beetle 1941-4-20 1738 San Mateo near San Carlos Comment
  SEINET12059400  Brodiaea californica subsp. leptandra M. T. Doutt 1931-5-4 411 San Mateo Skyline Blvd., W of Hillbrae Comment
  UCSB841  Brodiaea coronaria Walker, Clifford 1954-4-20 San Mateo Corner of Jefferson and Canada Rds. Comment
  JROH4583  Brodiaea elegans subsp. elegans John Hunter Thomas 1977-6-7 18733 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4585  Brodiaea elegans subsp. elegans John Hunter Thomas 1986-6-7 24088 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC484346  Brodiaea elegans subsp. elegans J. H. Thomas 1960-6-8 8774 A San Mateo Dry roadbank between Stanford and Searsville along San Hill road Comment
  CAS-BOT-BC484350  Brodiaea elegans subsp. elegans W. R. Dudley 1893-5-27 s.n. San Mateo By road to Searsville Comment
  CAS-BOT-BC484351  Brodiaea elegans subsp. elegans W. R. Dudley 1893-5-27 s.n. San Mateo By Arey's residence near Stanford University Comment
  POM169611  Brodiaea terrestris subsp. terrestris C. F. Baker 1902-4-6 462 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC483178  Brodiaea terrestris subsp. terrestris H. L. Mason 1917-4-10 113 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC483185  Brodiaea terrestris subsp. terrestris Philip C. Wheeler 1965-5-25 s.n. San Mateo Brisbane Ridge, south of power lines, San Bruno Mountain Comment
  RSA212158  Brodiaea terrestris subsp. terrestris L. S. Rose 1970-4-8 70024 San Mateo Black Mtn, W of San Mateo. 122 Comment
  JROH4968  Bromus berteroanus Richard Hobbs 1982-4-23 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Area "C" Serpentine, within fertilized plot in enclosure. Comment
  CDA7725  Bromus carinatus D. G. Kelch 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  UCD58154  Bromus carinatus Janet Jacob 1951-4-1 64 San Mateo 7 miles east of Pescadero. Comment
  UCD58232  Bromus carinatus Lewis S. Rose 1956-5-7 56069 San Mateo Skyline Blvd. W of San Mateo. 182 Comment
  CAS-BOT-BC148976  Bromus carinatus var. carinatus Lewis S. Rose 1956-5-7 56069 San Mateo Skyline Boulevard west of San Mateo. 182 Comment
  CAS-BOT-BC148981  Bromus carinatus var. carinatus Peter H. Raven 1950-6-3 2253 San Mateo Woods around San Andreas Lake. 121 Comment
  CAS-BOT-BC148992  Bromus carinatus var. carinatus John H. Thomas 1961-5-14 9374 B San Mateo San Francisco Watershed Reserve. Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. 152 Comment
  JROH4900  Bromus carinatus var. carinatus John Rawlings 2013-4-16 1136 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along the Escobar Gate fenceline about 100 m east of the gate 149 Comment
  UC1037111  Bromus carinatus var. carinatus Leo Whitney 1935-3-20 2268 San Mateo Bayshore Highway 10 mi s of Cliff House; San Francisco, Bayshore Highway Comment
Read comments
Nov 12 2011
  UC188898  Bromus carinatus var. maritimus Harley P. Chandler 1901-3-15 804 San Mateo w of Colma Comment
  CDA1794  Bromus diandrus Wm. Davis 1958-5-13 San Mateo Joos Nursery, Colma 0 Comment
  CAS-BOT-BC155134  Bromus hordeaceus George Oberlander 1950-5-28 1000 San Mateo San Francisco Watershed Reserve. North boundary. Comment
  JROH4917  Bromus hordeaceus John H. Thomas 1963-5-12 10080 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5614  Bromus hordeaceus John Rawlings 2014-4-11 1217 San Mateo Jasper Ridge Biological Preserve, Stanford University; in road G in hard-packed dirt, immediately north of its intersection with Rd. J. 105 Comment
  POM286725  Bromus hordeaceus Lyman Benson 1931-4-26 2757 San Mateo Behind Stanford University. Corte Madre Creek. Santa Cruz Mtn. Range Comment
  UCSB18536  Bromus hordeaceus Schulte, John 1963-4-28 San Mateo Jasper Ridge, 3 mi SW of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mtns Comment
  JROH4936  Bromus laevipes John Hunter Thomas 1989-6-13 24769 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS26837  Bromus madritensis subsp. madritensis Rimo Bacigalupi with L. Heckard 1961-5-14 7700 San Mateo near s end of Crystal Springs Lake along Canada Road, about San Francisco's Pulgas Water Temple Crystal Springs Lake; , Canada Road 95 Comment
  JROH4952  Bromus madritensis subsp. rubens W. Lennihan 1990-4-4 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Escobar - across trail, on edge, from hybrid oak - about 4' further along the trail. Comment
  CAS-BOT-BC162228  Bromus maritimus Roxana S. Ferris 1920-4-27 189 San Mateo Santa Cruz Mountain Peninsula. Ano Nuevo Point. 0 Comment
  CAS-BOT-BC162230  Bromus maritimus R. S. Ferris 1921-5-28 2193 San Mateo Pescadero. Pebble Beach. Comment
  CAS-BOT-BC162009  Bromus racemosus George Oberlander 1950-4-25 767 San Mateo San Francisco Watershed Reserve. San Andreas Valley. Comment
  CAS-BOT-BC161751  Bromus rubens Phillip C. Wheeler 1965-5-8 s.n. San Mateo San Bruno Mountain. Sierra Point. Along the bay. Comment
  JROH4961  Bromus sterilis John Rawlings 2013-4-3 1159 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near power poles in partial shade on Rattlesnake Rocks trail off of Rd. D. 130 Comment
  CAS-BOT-BC185396  Bromus vulgaris W. R. Dudley 1894-7-28 s.n. San Mateo Santa Cruz Mountain Peninsula. Between Pescadero and La Honda. Comment
  UCD60240  Bromus vulgaris S. S. Tillett; I. Sternback 1956-6-24 534 San Mateo Middleton properton, behind (n.) Portola Camp Store, just outside Portola State Park. 396 Comment
  POM144330  Cakile edentula Copeland 1903-6-5 3319 San Mateo Montara Point. Comment
  UC144260  Cakile edentula Copeland 1903-6-5 3319 San Mateo Montara Point; Pacific Coast, Montara Point 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
  UC676751  Cakile maritima Reed C. Rollins 1941-7-19 2962 San Mateo Half Moon Bay Comment
  UC984909  Cakile maritima Ira L. Wiggins 1949-7-2 12196 San Mateo Pescadero Beach Comment
  POM272561  Cakile maritima Lyman Benson 1941-7-19 11002 San Mateo Half Moon Bay. 3 Comment
  CAS-BOT-BC36956  Cakile maritima var. maritima Ira L. Wiggins 1949-7-2 12196 San Mateo Pescadero Beach. Comment
  JROH4972  Calamagrostis koelerioides John H. Thomas 1962-7-15 9913 San Mateo Jasper Ridge Biological Preserve, Stanford University. Oak woodland near northern end of ridge Comment
  CAS-BOT-BC185304  Calamagrostis koelerioides W. R. Dudley 1894-7-28 s.n. San Mateo Santa Cruz Mountain Peninsula. Top of Ridge La Honda Road. Comment
  CAS-BOT-BC438531  Calandrinia ciliata H. A. Dutton 1900-2-11 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  JEPS121454  Calandrinia ciliata Adam C. Schneider with C. Matt Guilliams 2013-2-2 190 San Mateo Crystal Springs Reservoir, between power transmission lines and Interstate 280. Comment
  JROH3321  Calandrinia ciliata John H. Thomas 1967-5-10 12847 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1084413  Calandrinia ciliata G. Thomas Robbins 1937-4-11 105 San Mateo grassy meadow near Spring Valley Lakes (along road to Woodside) Comment
  JROH3328  Calandrinia menziesii John Hunter Thomas 1981-4-5 20263 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH1639  Callitriche marginata John H. Thomas 1973-2-12 16452 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1642  Callitriche marginata Paul Heiple 2010-4-5 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; along side of Rd E Comment
  RSA116749  Callitriche trochlearis W. R. Dudley 1904-4-23 s.n. San Mateo Santa Cruz Mtn Peninsula, crow foot pond on alpine road opposite the Fitzpatrick place. Comment
  UC306621  Callitriche verna A. D. E. Elmer Jun 1903 4279 San Mateo Lake San Andreas Comment
  JEPS61617  Calochortus albus W. L. Jepson 1922-3-19 9533 San Mateo back of Millbrae; Buriburi Ridge Comment
  JROH4605  Calochortus albus John H. Thomas 1976-5-26 18152 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA292629  Calochortus albus Lyman Benson 1930-5-12 2120 San Mateo San Mateo County: Lake Searsville. 152 Comment
  UCR104959  Calochortus albus Tom Paradise 1993-5-3 11 San Mateo San Francisco Bay area, Woodside; Huddart County Park, along Kings Mountain Road, 3 - 4 mi east of Skyline Blvd. 116 Comment
  CAS-BOT-BC492211  Calochortus albus John H. Thomas 1971-5-2 15859 San Mateo Serpentine fields bordered by chaparral, near intersection of Canada and Edgewater roads. About 4 miles SW of center of Redwood City. 304 Comment
  JROH5745  Calochortus albus J. C. Gaither 1982-5-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Above San Francisquito Creek, near redwood grove. Comment
  RSA292630  Calochortus albus Lyman Benson 1930-5-3 2110 San Mateo Woods, above Woodside, Santa Cruz Mtns. 366 Comment
  SEINET12044768  Calochortus albus G. C. Kimber, Roush, L. 1918-1 s.n. San Mateo Alpine Rd near Corte Madera Cr Comment
  SEINET3884903  Calochortus albus Lewis S. Rose 1956-6-11 56098 San Mateo 2 mi. w. of Woodside, Kings Mt. Road.; 0 213 Comment
  UC648400  Calochortus albus Marion Ownbey and Ruth P. Ownbey 1938-7-7 1698 San Mateo 3 mi w Woodside; Santa Cruz Mts. Comment
  CAS-BOT-BC487809  Calochortus coeruleus K. Hoppaugh 1929-5-11 212 San Mateo La Honda grade Comment
  JROH4634  Calochortus luteus John H. Thomas 1974-5-29 17404 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC648348  Calochortus luteus Marion Ownbey and Ruth P. Ownbey 1938-7-7 1699 San Mateo above Searsville Lake; Santa Cruz Mountains Comment
  CAS-BOT-BC491979  Calochortus luteus Otto M. Sokol 1953-5-29 113 San Mateo Near Sharon Estate, along Sand Hill Road Comment
  JEPS23925  Calochortus tolmiei Le Roy Abrams 1902-5-20 2473 San Mateo Kings Mountain Comment
  POM292441  Calochortus tolmiei Lyman Benson 1930-5-3 2107 San Mateo Above Woodside, Mt. Range: Santa Cruz 244 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-BC496826  Calochortus tolmiei W. R. Dudley 1895-6-6 s.n. San Mateo Woods near Pescadero Creek Comment
  JEPS23958  Calycadenia multiglandulosa John H. Thomas 1959-8-22 8077 San Mateo about 5 mi sw of Palo Alto (Jasper Ridge); Jasper Ridge 152 Comment
  SEINET7063126  Calycadenia multiglandulosa A. G. Vestal 1963-7-12 s.n. San Mateo Jasper Ridge. UTM Zone 10, 568418mE, 4140415mN. (WGS84/NAD83). 174 Comment
  CAS-BOT-BC436447  Calystegia occidentalis Elizabeth McClintock; Phillip C. Wheeler 1967-6-11 s.n. San Mateo San Bruno Mountain, slope to S of new Guadalupe Parkway just before it meets Radio Road Comment
  CAS-BOT-BC224653  Calystegia purpurata subsp. purpurata 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-BC224659  Calystegia purpurata subsp. purpurata Ned Cahill 1974-5-13 278 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC224664  Calystegia purpurata subsp. purpurata Elizabeth McClintock 1978-4-24 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  CAS-BOT-BC224668  Calystegia purpurata subsp. purpurata Elizabeth McClintock 1965-6-13 s.n. San Mateo San Bruno Mountain. Lower slope on south side above Olivet Cemetery Comment
  JROH1841  Calystegia purpurata subsp. purpurata John H. Thomas 1968-5-22 14457 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU8763  Calystegia subacaulis B. L. Ledwith 1960-4-13 San Mateo San Francisco Game Refuge 17 mi S of San Francisco Comment
  UC306752  Calystegia subacaulis subsp. subacaulis A. D. E. Elmer June, 1903 4826 San Mateo Crystal Springs Lake Comment
  UC73521  Calystegia subacaulis subsp. subacaulis Milo S. Baker 1904-5-15 San Mateo near Burlingame; near Burlingame Comment
  RSA10280  Camissonia cheiranthifolia subsp. cheiranthifolia H. A. Barker 1927-5-14 670 San Mateo North of Half Moon Bay. Comment
  UC20548  Camissonia strigulosa Ivar Tidestrom May, 1894 San Mateo Comment
  SEINET3406227 Image available Campanula prenanthoides Lewis S. Rose 1933-7-25 33311 San Mateo Kings Mountain Comment
  JROH1472  Capsella bursa-pastoris John H. Thomas 1975-4-5 17710 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC37659  Cardamine californica W. R. Dudley 1895-2-9 s.n. San Mateo Below Pescadero. Arroyo de las Friojoles. Comment
  CAS-BOT-BC37666  Cardamine californica L. R. Abrams 1914-3-1 5059 San Mateo Kings Mountain Road. Comment
  CAS-BOT-BC37668  Cardamine californica Reed Clark Rollins 1941-3-30 2954 San Mateo 4 miles northwest of Woodside. Comment
  CHSC56974  Cardamine californica var. integrifolia Steven Triano 1988-5-24 184 San Mateo Redwood forest ca 0.1 mi w of Old La Honda Road near Martin Creek and 0.4 air miles e of SkyLonda. 381 Comment
  POM143341  Cardamine californica var. integrifolia A. D. E. Elmer 1903-04 4468 San Mateo Portola. Comment
  RSA159431  Cardamine californica var. integrifolia R. C. Rollins 1941-2-22 2937 San Mateo Santa Cruz Mts., about 8 miles NW of Palo Alto. 152 Comment
  CAS-BOT-BC37992  Cardamine oligosperma Margaret A. Barry 1937-5-15 107 San Mateo Coal Mine Ridge. Comment
  JROH1495  Cardamine oligosperma John Hunter Thomas 1981-4-5 20275 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek Comment
  JROH1504  Cardamine oligosperma John Hunter Thomas 1991-4-11 24982 San Mateo Jasper Ridge Biological Preserve, Stanford University; near bridge Comment
  POM272675  Cardamine oligosperma Lyman Benson 1929-3-2 990 San Mateo Hill east of Lake Searsville. Comment
  CAS-BOT-BC37983  Cardamine oligosperma Walter Knight; Irja Knight 1965-3-28 1018 San Mateo San Bruno Mountain. Trillium Gulch. Comment
  CAS-BOT-BC37990  Cardamine oligosperma W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Peninsula. Ravine above Pilar Point. Comment
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Oct 29 2021
  CAS-BOT-BC384843  Cardionema ramosissimum Roxana S. Ferris 1921-4-7 2143 a San Mateo Santa Cruz Mountain Peninsula. San Bruno Mt. 91 Comment
  CAS-BOT-BC281837  Carduus tenuiflorus George Oberlander 1950-5-21 895 San Mateo San Francisco Watershed Reserve. San Andreas Valley Comment
  SEINET10585498  Carex aquatilis Adolph D. E. Elmer Elmer 4428 San Mateo Crystal Springs Lake. Comment
  JROH4313  Carex barbarae John H. Thomas 1974-5-3 17240 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5579  Carex barbarae John Rawlings 2013-7-2 1194 San Mateo Jasper Ridge Biological Preserve, Stanford University. In rocky bed of San Francisquito Creek, north side, opposite 2013 slide on Trail 1. 80 Comment
  CAS-BOT-BC19543  Carex bolanderi Lewis S. Rose 1933-6-23 33253 San Mateo Kings Mountain. Comment
  JROH4326  Carex bolanderi John Rawlings 2012-5-15 1121 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along bank of Bear Creek at its crossing of Road H near boundary fence. 82 Comment
  UC577167  Carex bolanderi Lewis S. Rose 1935-6-11 35216 San Mateo Kings Mountain Comment
  CAS-BOT-BC19544  Carex bolanderi C. F. Leitholt 1894-8-13 s.n. San Mateo Sant Cruz Mountain Peninsula. Devil's Canyon. Comment
  RSA220059  Carex bolanderi Peter Rubtzoff 1953-5-14 1339 San Mateo Pilarcitos Creek Canyon, 1 to 2 miles downstream from Pilarcitos Lake. Comment
  SEINET7364526 Image available Carex bolanderi L. S. Rose 1933-6-23 33253 San Mateo Kings Mountain Comment
  CAS-BOT-BC18923  Carex densa John Thomas Howell 1938-5-1 13781 San Mateo Near South San Francisco. Comment
  CAS-BOT-BC18924  Carex densa John Thomas Howell 1938-5-1 13786 San Mateo Near South San Francisco. Comment
  CAS-BOT-BC18930  Carex densa LeRoy Abrams 1902-5-11 2444 San Mateo Crystal Springs. Comment
  POM193987  Carex densa W. R. Dudley 1896-4-4 s.n. San Mateo Santa Cruz Mountain Peninsula; Near Summit Springs, Kings Mt. Comment
  CAS-BOT-BC18932  Carex densa Lewis S. Rose 1937-4-30 57243 San Mateo Brisbane Bayshore. 6 Comment
  SEINET10649935  Carex dudleyi Lewis S. Rose 1939-4-14 Rose 39064 San Mateo South San Francisco. 15 Comment
  JROH4342  Carex globosa John Hunter Thomas 1990-5-8 24851 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Rattlesnake Rock. Comment
  CAS-BOT-BC21813  Carex harfordii W. R. Dudley 1906-6-10 s.n. San Mateo Near pond on So. Cahill Ridge. Comment
  JROH4354  Carex nudata John Rawlings 2012-5-15 1113 San Mateo Jasper Ridge Biological Preserve, Stanford University. A few feet downstream of the low-flow crossing, northern edge of San Francisquito Creek. 80 Comment
  CAS-BOT-BC118332  Carex praegracilis W. R. Dudley 1906-6-12 s.n. San Mateo In meadow on Mt. side W of Trippstore, Woodside. Comment
  CAS-BOT-BC117644  Carex serratodens LeRoy Abrams 1902-5-4 2425 San Mateo Woodside. Comment
  UCR280167  Carex subbracteata Peter Rubtzoff 1978-5-18 9172 San Mateo San Francisco Bay Region, San Bruno Mountains, 'saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction, westernmost part of the area 220 Comment
  RSA100974  Carex subbracteata G. Oberlander 1950-4-22 633 San Mateo Pilarcitos Canyon, San Francisco Watershed Reserve. Comment
  RSA88836  Carex subbracteata J. T. Howell 1938-5-1 13783 San Mateo Near South San Francisco. Comment
  SEINET6192755 Image available Carex subbracteata J. T. Howell 1938-5-1 13782 San Mateo near South San Francisco Comment
  CAS-BOT-BC116816  Carex subbracteata var. subbracteata John Thomas Howell 1938-5-1 13783 San Mateo Near South San Francisco Comment
  CAS-BOT-BC116821  Carex subbracteata var. subbracteata Alice Eastwood; John Thomas Howell; J. W. Stacey 1938-4-24 5257 San Mateo Pescadero Comment
  CAS-BOT-BC116820  Carex subbracteata var. subbracteata Alice Eastwood; John Thomas Howell; J. W. Stacey 1938-4-24 5254 San Mateo 2 mi N of Pescadero Comment
  CAS-BOT-BC116834  Carex subbracteata var. subbracteata Elmer Ivan Applegate 1895-3-3 778 San Mateo Unspecified Comment
  CDA20504  Carthamus creticus J. Beall 2004-8-6 PDR 1329641 San Mateo San Francisco Bay Area; at 60 Langley Hill Rd in La Honda. 0 Comment
  UC84186  Carthamus lanatus T. S. Brandegee 1891-7-1 San Mateo South San Francisco Comment
  JROH4012  Castilleja H. J. Dengler 1961-4-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM15426  Castilleja affinis C. F. Baker 1903-4-12 505 San Mateo San Gregorio. Comment
  RSA187415  Castilleja affinis John H. Thomas 1950-3-19 1305 San Mateo Near intersection of Coast Hwy and road to Swanton, 1 mile SE of mouth of Waddell Creek. 30 Comment
  POM298045  Castilleja affinis A. A. Heller 1907-4-20 8442 San Mateo Near Lake Merced. Comment
  RSA505385  Castilleja affinis R. C. Bacigalupi, G. Thomas Robbins 1955-8-4 5443 San Mateo Just opposite Thornton Beach, east of Highway No. 1 (Calif. State). 61 Comment
  SEINET5542520  Castilleja affinis H. S. Gentry 1931-1 99 San Mateo 1 mile SE of Holy Cross Cemetery. Comment
  UCSC000665  Castilleja affinis H. S. Yates 1935-3-2 5010 San Mateo 0.5 mile S.E. of Pigeon Pt. Pigeon Pt - Santa Cruz 30 Comment
  JEPS17620  Castilleja affinis subsp. affinis Rimo Bacigalupi with G. Thomas Robbins 1955-8-4 5443 San Mateo just opposite Thornton Beach (e of State Highway 1) Comment
  JEPS88834  Castilleja affinis subsp. affinis T. I. Chuang 1991-7-20 7880 San Mateo hill just s Rockaway Beach Comment
  JROH3936  Castilleja affinis subsp. affinis Roger von Preissig 1954-4-23 26 b San Mateo Jasper Ridge Biological Preserve, Stanford University 152 Comment
  JROH3938  Castilleja affinis subsp. affinis John H. Thomas 1955-5-6 5013 San Mateo Jasper Ridge Biological Preserve, Stanford University 182 Comment
  JROH3944  Castilleja affinis subsp. affinis John H. Thomas 1976-5-26 18156 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3952  Castilleja affinis subsp. affinis John Hunter Thomas 1986-4-18 23959 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS47424  Castilleja affinis subsp. affinis L. R. Heckard 1964-7-15 1422 San Mateo about 2 mi below Skyline Boulevard (along Tunitas Road) 518 Comment
  JEPS60429  Castilleja affinis subsp. affinis T. I. Chuang and F. M. Chuang 1969-6-22 6669 San Mateo 0.2 mi n San Mateo and Santa Cruz County line (on Highway 1) Comment
  RSA408815  Castilleja ambigua subsp. ambigua Francis W. Pennell, D. D. Keck 1940-5-15 25427 San Mateo Route 101. Burlingame. 0 Comment
  JROH3961  Castilleja attenuata John Hunter Thomas 1978-4-20 19093 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3966  Castilleja attenuata John Hunter Thomas 1982-4-23 20838 San Mateo Jasper Ridge Biological Preserve, Stanford University; picnic area Comment
  JEPS108121  Castilleja attenuata Dean Kelch 1993-3-30 s. n. San Mateo N of junction of I-280 and 92 nr SM Co Fire Dept. Comment
  HSC34849  Castilleja densiflora Thomas W. Nelson 1975-5-8 1808 San Mateo Beside Hwy. 280 S of San Francisco Comment
  JROH3982  Castilleja densiflora subsp. densiflora John Hunter Thomas 1981-5-14 20585 San Mateo Jasper Ridge Biological Preserve, Stanford University; below Searsville Lab Comment
  UCSB18232  Castilleja densiflora subsp. densiflora Muirhead, M. 1964-4-17 San Mateo Crocker Estate, Hillsborough 76 Comment
  SEINET13772767  Castilleja exserta A. A. Heller 1906-1 8381 San Mateo Near Ocean View, San Francisco. Comment
  POM176909  Castilleja foliolosa L. R. Abrams 1904-4-1 10 San Mateo Near Crystal Springs Lake, Santa Cruz Mts. Comment
  POM15376  Castilleja franciscana A. D. E. Elmer 1903-05 4527 San Mateo San Bruno Hills. Comment
  NY68074  Castilleja franciscana F. W. Pennell 1940-5-15 25420 San Mateo E of upper Crystal Springs Lake, SW of San Mateo. 61.0 Comment
  SD38138  Castilleja franciscana Marie Cummings 1933-5-23 3673 San Mateo Spring Valley Lake 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
  JEPS34452  Castilleja subinclusa subsp. franciscana L. R. Heckard 1963-7-18 1340 San Mateo just e Pigeon Point lighthouse (along old Coast Hwy 1) Comment
  JEPS47427  Castilleja subinclusa subsp. franciscana L. R. Heckard 1964-7-26 1425 San Mateo 0.4 mi from Lobitos Creek rd. jct. rd. with Verde Road (old highway) (above Lobitos Creek valley) Comment
  CAS-BOT-BC32579  Castilleja wightii Adolph Daniel Edward Elmer 1903-7-1 4761 San Mateo San Pedro Comment
  JEPS19720  Castilleja wightii Peter H. Raven 1957-6-24 10964 San Mateo just s Linda Mar Comment
  JEPS29412  Castilleja wightii L. R. Heckard 1961-7-16 1259 San Mateo near San Bruno Mt. summit (ne of transmitting station KQED); San Bruno Mt. 335 Comment
  RSA428365B  Castilleja wightii Glenn A. Gorelick 1967-4-4 s.n. San Mateo San Bruno Mts; overlooking Daly City near San Francisco. Comment
  UC138729  Castilleja wightii C. F. Baker 1902-4-12 508 San Mateo San Gregorio Comment
  UC198390  Castilleja wightii Katharine Brandegee 1917-7-15 San Mateo Moss Beach Comment
  UC202800  Castilleja wightii A. D. E. Elmer Jul 1903 4761 San Mateo San Pedro; ; San Pedro, San Mateo Co. Comment
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Nov 23 2007
  JEPS103881  Castilleja wightii T. I. Chuang and F. M. Chuang 1991-7-1 7846 San Mateo 1.1 mile N or Montara Comment
  RSA517381  Castilleja wightii L. R. Heckard, R. C. Bacigalupi 1963-7-2 1330 San Mateo Along old country road over San Pedro and Montara mountains; northern flank of San Pedro Mt. 152 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
  JROH1527  Caulanthus lasiophyllus John H. Thomas 1971-4-10 15759 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC39384  Caulanthus lasiophyllus Walter Knight; Irja Knight 1965-5-9 1103 San Mateo San Bruno Mountains. Devil's Arroyo. Comment
  SJSU280  Ceanothus cuneatus H. W. Marion 1936-3-8 49 San Mateo 0.5 mi E of Searsville L 175 Comment
  CAS-BOT-BC48393  Ceanothus cuneatus var. cuneatus A. D. E. Elmer 1903-3-1 4578 San Mateo Portola Comment
  CAS-BOT-BC48394  Ceanothus cuneatus var. cuneatus Lewis S. Rose 1964-3-23 64011 San Mateo Emerald Lake, w. of Redwood City 121 Comment
  JROH3520  Ceanothus cuneatus var. cuneatus John H. Thomas 1955-5-6 5016 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA48819  Ceanothus cuneatus var. dubius E. K. Balls 1948-3-19 7869 San Mateo 2 mi. N. of S end of State Rt. 5. 305 Comment
  POM222808  Ceanothus cuneatus var. dubius S. S. Berry 1909-2-24 s.n. San Mateo San Francisco Creeks. 30 Comment
  CAS-BOT-BC50042  Ceanothus incanus Walter Knight; James B. Roof 1965-5-9 1136 San Mateo Brotherhood Way - Daly City Comment
  RSA282989  Ceanothus oliganthus var. sorediatus Lyman Benson 1928-11-25 787 San Mateo Searville Lake, Stanford University, Santa Cruz Mt. 122 Comment
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Jul 13 2009
  CAS-BOT-BC63457  Ceanothus palmeri W. R. Dudley 1893-5-30 s.n. San Mateo Peak of Loma Prieta. Comment
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Oct 30 2021
  RSA130954  Ceanothus papillosus Josephine Randall 1907-6-29 s.n. San Mateo Santa Cruz Peninsula, King's Mountain Road. Comment
  UC762254  Ceanothus papillosus R. F. Hoover 1941-5-20 5114 San Mateo Skyline Road sw Black Mt.; sw of Black 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
  CAS-BOT-BC52283  Ceanothus thyrsiflorus George Oberlander 1950-4-23 859 San Mateo on Sawyer Ridge Comment
  CAS-BOT-BC52284  Ceanothus thyrsiflorus L. R. A. 1901-4-20 1549 San Mateo King's Mountain Comment
  CAS-BOT-BC52303  Ceanothus thyrsiflorus Fred Hemphill 1973-4-8 664 San Mateo San Carlos. North of Malabar Rd. and Melendy Dr. 207 Comment
  RSA15351  Ceanothus thyrsiflorus Carl B. Wolf 1927-2-28 165 San Mateo Pescadero. Comment
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Aug 5 2015
  JEPS21637  Centaurea calcitrapa John H. Thomas 1955-4-6 4831 San Mateo e facing slope of San Bruno Mountain, just n of South San Francisco San Bruno Mountain, South San Francisco 30 Comment
  CAS-BOT-BC274590  Centaurea calcitrapa W. R. Dudley 1909-10-10 s.n. San Mateo Santa Cruz Mountain Peninsula. In San Mateo ravine, Crystal Springs Reservoir Comment
  CAS-BOT-BC274591  Centaurea calcitrapa A. D. E. Elmer 1903-7-1 4961 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC277119  Centaurea melitensis George Oberlander 1950-5-6 895 San Mateo San Francisco Watershed Reserve. Near San Andreas Lake Comment
  JROH600  Centaurea melitensis John H. Thomas 1970-5-30 15980 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC23937  Centaurea solstitialis Mary Katherine Wicksten 1971-7-20 178 San Mateo Huddart Park, by Redwood Shelter. Comment
  SEINET7097921  Centaurium davyi A. G. Vestal 1937-6-15 s.n. San Mateo Lat. 37 14' 13ao N, Long. 122 24' 55ao W (NAD27 converted to WGS84 decimal degrees). Pebble Beach west of Pescadero. UTM Zone 10, 551863 mE, 4121109 mN. Comment
  SJSU15418  Centaurium tenuiflorum Toni Corelli 2011-8-25 708 San Mateo Ano Nuevo State Park, Cove Beach 7 Comment
  HSC5817  Centromadia pungens L. S. Rose 1965-9-20 65106 San Mateo Burlingame, Trousdale Dr. and California Dr. 9 Comment
  SEINET8734815 Image available Centromadia pungens Lewis S. Rose 1938-1 38231 San Mateo San Mateo 6 Comment
  UC89050  Centromadia pungens subsp. pungens K. Brandegee 1901-9-1 San Mateo South San Francisco Comment
  CAS-BOT-BC279327  Centromadia pungens subsp. pungens Roxana Stinchfield 1915-9-19 250 San Mateo Santa Cruz Mountain Peninsula. Fields near Salt Marshes, Palo Alto Comment
  UCD164003  Cerastium fontanum subsp. vulgare Peter Rubtzoff 1977-11-24 9141 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  JROH1697  Cerastium glomeratum John Hunter Thomas 1992-4-23 25145 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH148  Ceratophyllum demersum John H. Thomas 1974-6-30 17464 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC400169  Ceratophyllum demersum W. R. Dudley 1909-10-4 s.n. San Mateo Santa Cruz Mountain Peninsula. W. twin-pond near Mussel Rock Comment
  RSA15269  Cercocarpus betuloides Carl B. Wolf 1928-3-2 233 San Mateo On hillside above Searsville Lake, Comment
  JROH3622  Cercocarpus betuloides var. betuloides John H. Thomas 1961-6-14 9541 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET11248322 Image available Cercocarpus montanus M. E. Springer 1946-9-1 725 San Mateo Near Searsville Lake Comment
  JROH1822  Chenopodium californicum D. E. Breedlove 1971-5-31 19351 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JEPS59770  Chenopodium chenopodioides W. L. Jepson 1923-10-18 10258 San Mateo hills w Colma (swale near ocean) Comment
  CAS-BOT-BC497724  Chlorogalum pomeridianum Fred Hemphill 1973-5-14 806 San Mateo San Carlos, Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC497730  Chlorogalum pomeridianum Walter & Irja Knight 1964-5-4 s.n. San Mateo Colma Canyon Comment
  CAS-BOT-BC497731  Chlorogalum pomeridianum George Oberlander 1950-6-3 1039 San Mateo South San Andreas Lake Comment
  JROH4646  Chlorogalum pomeridianum var. pomeridianum John H. Thomas 1973-6-10 16821 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR123135  Chondrilla juncea Don Pendleton 2002-5-2 s.n. San Mateo San Francisco Bay Region, San Carlos, across the street from 1414 El Camino Real, next to railroad right of way, at the 'T' intersection of Belmont Ave. and El Camino Real 61 Comment
  CDA20080  Chondrilla juncea J. Beall 2002-11-18 PDR P 205608 San Mateo San Francisco Bay Area; across the street from 3975 Pacific Blvd. 0 Comment
  RSA130687  Chrysanthemum leucanthemum W. R. Dudley 1908-6-19 s.n. San Mateo Hills N of Jersey Farm Dairy. W of Baden Comment
  SJSU114  Chrysolepis chrysophylla var. minor C. D. Duncan 1929-9-27 San Mateo Kings Mt Comment
  JROH2582  Cicendia quadrangularis John H. Thomas 1961-4-29 9182 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC285236  Cichorium intybus J. H. Thomas 1954-5-28 4229 San Mateo Redwood City. Near intersection of Bayshore and Main St. Comment
  JROH627  Cichorium intybus Ann Lambrecht 2007-8-29 31 San Mateo Jasper Ridge Biological Preserve, Stanford University; San Francisquito Creek below Dennis Martin marker Comment
  JEPS80472  Cirsium fontinale var. fontinale L. R. Heckard 1981-5-25 5662 San Mateo nw of junction (freeway interchange) of State Highway 92 U.S. 280 (on e side of the s end of Lower Crystal Springs Reservoir); Lower Crystal Springs Reservoir Comment
  SJSU2899  Cirsium fontinale var. fontinale G. E. Pilz 1965-7-12 114 San Mateo E side Crystal Springs Reservoir in outer S Coast Ranges 121 Comment
  UC1416521  Cirsium fontinale var. fontinale George E. Pilz 1965-7-12 114 San Mateo e side of Crystal Springs Reservoir South Coast Ranges 121 Comment
  SEINET14157452  Cirsium fontinale var. fontinale W. N. Suksdorf San Mateo Comment
  CAS-BOT-BC280132  Cirsium occidentale var. venustum A. D. E. Elmer 1903-6-1 4259 San Mateo Crystal Springs Lake Comment
  JROH632  Cirsium occidentale var. venustum John H. Thomas 1963-6-23 10169 San Mateo Jasper Ridge Biological Preserve, Stanford University; at Westridge end of ridge Comment
  RSA101025  Cirsium occidentale var. venustum G. Oberlander 1949-6-25 251 San Mateo E of Sawyer Ridge, San Francisco Watershed Reserve Comment
  SJSU15944  Cirsium quercetorum John Rawlings, Ken Hickman 2016-5-26 1819 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
  SEINET3383252 Image available Cirsium quercetorum Lewis S. Rose 1934-5-15 34258 A San Mateo Crystal Springs Lake Comment
  CDA7143  Cirsium vulgare D. G. Kelch 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  CAS-BOT-BC162604  Clarkia Paul Reeberg 1989-5-19 s.n. San Mateo In ravine above Shearwater - San Bruno Mountains 137 Comment
  UC2049888  Clarkia amoena subsp. amoena H. W. Johansen 1958-6-21 135 San Mateo Alpine road. Comment
  SJSU15228  Clarkia amoena subsp. whitneyi Toni Corelli 2012-7-12 804 San Mateo Wavecrest, north of Redondo Road, west of Highway 1 in Half Moon Bay 24 Comment
  SEINET7096718  Clarkia purpurea A. G. Vestal 1963-7-12 s.n. San Mateo Jasper Ridge. NAD27, 37? deg. 24' 29ao, -122?_ 13' 33ao (converted to WGS84 decimal degrees) UTM Zone 10, 568517mE, 4140222mN. Comment
  POM271758A  Clarkia purpurea subsp. purpurea Lyman Benson 1930-5-12 2121 San Mateo Lake Searsville, Stanford University; Santa Cruz mountain range, San Francisco Bay drainage area. 152 Comment
  CAS-BOT-BC163922  Clarkia purpurea subsp. quadrivulnera A. A. Heller 1906-6-8 8382 San Mateo Near Ocean View, San Francisco, on the Lake Merced side of the Ocean Shore tracks Comment
  CAS-BOT-BC163965  Clarkia purpurea subsp. quadrivulnera John H. Thomas 1958-5-13 7168 San Mateo About 3 miles SW of San Mateo along Skyline Blvd, 0.3 mi. S of its intersection with Black Mt. Rd. 304 Comment
  CAS-BOT-BC163974  Clarkia purpurea subsp. quadrivulnera W. R. Dudley 1903-5-31 s.n. San Mateo Alpine Road, Black Mt., Santa Cruz Range Comment
  CAS-BOT-BC163978  Clarkia purpurea subsp. quadrivulnera Elizabeth McClintock; Phillip Wheeler 1967-5-14 s.n. San Mateo East side of mountain, above Harold Ave., Brisbane. Grassy slope above Philip Wheeler's house Comment
  POM271755  Clarkia purpurea subsp. quadrivulnera Lyman Benson 1931-4-26 2758 San Mateo Behind Stanford University. Santa Cruz mtn range, Corte Madera Creek. 213 Comment
  JROH3008  Clarkia purpurea subsp. viminea Duncan M. Porter 1960-5-26 702 San Mateo Jasper Ridge Biological Preserve, Stanford University; N part of ridge, above Searsville Lake Comment
  CAS-BOT-BC165173  Clarkia rubicunda W. R. Dudley 1902-9-21 s.n. San Mateo Near Crystal Springs Reservoir Comment
  CAS-BOT-BC165179  Clarkia rubicunda L. R. Abrams 1907-8-26 s.n. San Mateo Kings Mt. Comment
  CHSC39185  Clarkia rubicunda R. N. Bowman 1984-6-29 3694 San Mateo 100 m. n of bridge over San Gregorio Creek in San Gregorio State Beach. Ca. 150 m. e of ocean. 3 Comment
  JROH3012  Clarkia rubicunda John H. Thomas 1962-5-31 9891 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Westridge end Comment
  UC1279905  Clarkia rubicunda Peter H. Raven 1957-6-24 10962 San Mateo just s Linda Mar (along State Highway 1) Comment
  UC422840  Clarkia rubicunda W. C. Blasdale 1893-6-17 San Mateo Belmont Comment
  CAS-BOT-BC165138  Clarkia rubicunda Milo S. Baker Aug. 252 a-'25 San Mateo Pescadero Comment
  CAS-BOT-BC165144  Clarkia rubicunda Elizabeth McClintock 1965-6-13 s.n. San Mateo Lower slope on south side above Olivet Cemetery Comment
  CAS-BOT-BC165155  Clarkia rubicunda E. K. Balls 1958-7-19 23570 San Mateo State Hwy. 5, 2 mi. nw. of jct. with road from Big Basin State Park 670 Comment
  RSA458855  Clarkia rubicunda E. S. Spalding 1924-8-3 s.n. San Mateo 3 miles west of Redwood City Comment
  SJSU11021  Clarkia rubicunda A. H. Lilliberg 1961-5-22 San Mateo by Woodside Heights Rd near Woodside Comment
  UC1279916  Clarkia rubicunda Peter H. Raven 1957-6-30 11017 San Mateo 3.0 mi from State Highway 5 (Skyline Boulevard) (on road to Portola State Park) Comment
  UC917340  Clarkia rubicunda W. A. Harvey and J. M. Tucker 1948-6-29 1709 San Mateo just w Highway 5 (Skyline Boulevard) (beside road to Portola State Park) Comment
  CAS-BOT-BC165603  Clarkia unguiculata C. F. Leithold 1894-8-13 s.n. San Mateo Devil's [Canon] Canyon, branch of Pescadero & Mill Cr., Black Mt. Comment
  CAS-BOT-BC439292  Claytonia exigua subsp. exigua Lewis S. Rose 1937-4-24 37227 San Mateo Emerald Lake. 106 Comment
  CAS-BOT-BC439591  Claytonia parviflora subsp. parviflora John H. Thomas 1963-5-20 10097 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz. Comment
  SD234156  Claytonia perfoliata Claude Bonang 1958-5-3 34 San Mateo Shaded area near Hoover Library of Stanford University. Comment
  RSA101038  Claytonia perfoliata subsp. mexicana G. Oberlander 1949-3-2 18 San Mateo Under oak madrone, Sawyer Ridge, San Frncisco Watershed Reserve. Comment
  JROH3342  Claytonia perfoliata subsp. perfoliata Daniel Cohen 1953-4-11 20 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET182860 Image available Claytonia perfoliata subsp. perfoliata John Campbell 1925-1-26 San Mateo Burlingame. Comment
  CAS-BOT-BC91480  Clematis lasiantha Josephine D. Randall 1907-7-4 305 San Mateo Santa Cruz Peninsula. Mill's Lake. Comment
  CAS-BOT-BC91482  Clematis lasiantha Elizabeth McClintock 1979-5-28 s.n. San Mateo Gilmore McDowell Property. Woodside. Comment
  SEINET10476024  Clematis lasiantha Charles F. Baker Baker 499 San Mateo La Hondo, California Comment
  CAS-BOT-BC92558  Clematis ligusticifolia Josephine D. Randall 1907-6-6 306 San Mateo Santa Cruz Peninsula. Los Trancos Road near Stanford University. Comment
  JROH2877  Clinopodium douglasii John H. Thomas 1973-6-15 16845 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC23891  Clinopodium douglasii Mary Katherine Wicksten 1971-6-16 33 San Mateo Bank at Huddart Park, by Werder Flat Comment
  CAS-BOT-BC499370  Clintonia andrewsiana J. H. Thomas 1954-6-11 4269 San Mateo Along San Gregorio Creek, 1.5 mi w of La Honda 106 Comment
  CAS-BOT-BC499371  Clintonia andrewsiana K. Hofpaugh 1929-5-11 210 San Mateo Redwood forest 3 miles east of La Honda Comment
  CAS-BOT-BC499405  Clintonia andrewsiana David D. Keck 1932-6-1 1797 San Mateo 1 mile west of Skyline Blvd. on La Honda road, Santa Cruz Mountains Comment
  RSA18200  Clintonia andrewsiana Carl B. Wolf 1929-5-25 3736 San Mateo 7.5 miles from Pescadero on Alpine Creek Road. Comment
  SEINET12057122  Clintonia andrewsiana F. H. Utech, Utech, C. L. 1972-7-17 72 -601 San Mateo road between Pescadero and La Honda, ca 2.5 mi before the junction with CA 84 183 Comment
  RSA130676  Collinsia heterophylla Josephine Randall 1907-6-8 384 San Mateo Portola Valley. Santa Cruz Peninsula. Comment
  RSA18322  Collinsia heterophylla Carl B. Wolf 1929-5-17 3714 San Mateo 1 mile W of Skyline Drive on Alpine Road. Comment
  JROH5692  Collinsia heterophylla var. heterophylla John Rawlings 2015-3-31 1419 San Mateo Jasper Ridge Biological Preserve, Stanford University; about 75 meters upstream of footbridge on Trail 11 135 Comment
  POM14894  Collinsia sparsiflora var. collina C. F. Baker 1902-4-4 444 San Mateo Crystal Springs Lake. Comment
  JROH5923  Collinsia sparsiflora var. collina Herbert Dengler 1963-5-6 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; serp by "up" road SW of S.R. [Searsville Rocks] Comment
  JROH3139  Collomia heterophylla John H. Thomas 1961-5-5 9217 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below Searsville Dam 76 Comment
  JROH3142  Collomia heterophylla John Hunter Thomas 1986-5-17 24056 San Mateo Jasper Ridge Biological Preserve, Stanford University; creek trail downstream from Rattlesnake Rock Comment
  UCD96968  Conicosia pugioniformis W. R. Russell 1961-6-5 s.n. San Mateo North of Westridge Road, Westlake area, north end of Pacifica. Comment
  JROH1848  Convolvulus arvensis John Hunter Thomas 1978-5-12 19200 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC285995  Conyza bonariensis John H. Thomas 1961-8-27 9692 San Mateo Colma. Near intersection of El Camino Real and F Street 45 Comment
  CAS-BOT-BC286207  Conyza canadensis J. H. Thomas 1958-8-1 7374 San Mateo Just north of mouth of San Gregorio Creek 30 Comment
  JROH4762  Corallorhiza maculata Herbert Dengler 1967-5-11 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  JROH4030  Cordylanthus pilosus subsp. pilosus John H. Thomas 1974-8-11 17508 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA101017  Cordylanthus pilosus subsp. pilosus G. Oberlander 1949-7-30 355 San Mateo South of Upper Crystal Springs Lake, San Francisco Watershed Reserve. Comment
  POM72033  Cordylanthus rigidus subsp. rigidus Alice Eastwood 1896-9-6 s.n. San Mateo Crystal Springs. Comment
  UC885664  Cordylanthus rigidus subsp. rigidus Lewis S. Rose 1941-9-13 41441 San Mateo Crystal Springs Lake 182 Comment
  POM190259  Corethrogyne filaginifolia var. californica D. D. Keck 1932-5-25 1785 San Mateo East side of Crystal Springs Lake Comment
  RSA133854  Corethrogyne filaginifolia var. californica John H. Thomas 1958-6-11 7221 San Mateo About 4.3 miles due E of Belmont near Crystal Springs Reservoir. 91 Comment
  POM287560  Cornus californica Lyman Benson 1928-4-12 57 San Mateo Standord University. Santa Cruz. Watershed San Francisquito Creek. 46 Comment
Read comments
Oct 24 2014
  RSA726759  Cornus glabrata Lyman Benson 1930-5-26 2133 San Mateo Stanford University, Lake Searsville 152 Comment
  JROH1864  Cornus sericea subsp. sericea John H. Thomas 1961-5-5 9211 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below Searsville Dam 76 Comment
  UC1135187  Corylus californica G. E. Sindel 1935-7-31 318 San Mateo 1 1/2 mi sw of La Honda; California Forest Experiment Station 213 Comment
  UC5426  Corylus californica J. Burtt Davy Jun 21-23 1893 1125 San Mateo Pilarcitos Lake and Canyon Comment
  CAS-BOT-BC180369  Corylus cornuta subsp. californica David D. Keck 1932-2-12 1362 San Mateo La Honda road, E slope of Coast Range above Searsville Lake 304 Comment
  CAS-BOT-BC180363  Corylus cornuta subsp. californica W. R. Dudley 1896-2-15 s.n. San Mateo Alpine Road t Black Mt. Santa Cruz Peninsula Comment
  POM270385  Corylus cornuta var. californica Lyman Benson 1928-12-15 892 San Mateo Near La Honda; Santa Cruz Mt. Range. 244 Comment
  RSA481441  Corylus cornuta var. californica L. S. Rose 1938-2-23 38079 San Mateo Woodside. 152 Comment
  CAS-BOT-BC453501  Cotoneaster lacteus John H. Thomas 1968-10-6 14842 San Mateo Vicinity of railroad tracks and Dumbarton Bridge causeway entrance. East of Palo Alto. Comment
  JROH3634  Cotoneaster pannosus John H. Thomas 1972-8-18 16154 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3641  Cotoneaster pannosus John Hunter Thomas 1982-10-16 21181 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3646  Cotoneaster pannosus John Hunter Thomas 1983-7-20 22901 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1776756  Cotula mexicana D. Pendleton 2002-3-21 PDR 65823 San Mateo Sharp Park Golf Course, Pacifica Comment
  RSA100981  Crassula aquatica G. Oberlander 1949-8-20 374 San Mateo San Andreas Lake, San Francisco Watershed Reserve. 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-BC427840  Crassula connata Margaret A. Barry 1937-5-15 129 San Mateo Coal Mine Ridge. Comment
  JROH1889  Crassula connata John Hunter Thomas 1982-5-23 20813 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC427841  Crassula connata George Oberlander 1950-4-16 703 San Mateo San Francisco Watershed Reserve. San Andreas Valley Comment
  JROH664  Crepis vesicaria subsp. taraxacifolia John H. Thomas 1958-5-10 7162 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1958  Croton setiger John H. Thomas 1967-11-5 14131 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4995  Crypsis schoenoides John Hunter Thomas 1988-10-17 24598 San Mateo Jasper Ridge Biological Preserve, Stanford University; on delta in lake Comment
  JROH1359  Cryptantha flaccida John H. Thomas 1956-4-7 5617 San Mateo Jasper Ridge Biological Preserve, Stanford University; open serpentine area on top of ridge and adjacent slopes Comment
  UCSC007737  Cryptantha leiocarpa Becky Hendricks 2012-5-15 s.n. San Mateo Ano Nuevo State Park Comment
  JROH1364  Cryptantha micromeres Oz Garton 1968-5-27 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1379  Cryptantha microstachys John Hunter Thomas 1992-4-23 25164 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA44329  Cupressus abramsiana Harry A. Dutton 1949-9-12 s.n. San Mateo Common corners of Sec. 11 & 12 and 13 &14, Range 4 West, North bank of North Fork of Butano Creek Comment
  SEINET3863377 Image available Cupressus macrocarpa Barbara Schneider 1963-2-21 18 San Mateo By ocean. One intersection N of Skyline Blvd. and Westridge Ave. on Skyline Blvd.; 0 30 Comment
  RSA140852  Cupressus macrocarpa John H. Thomas 1960-8-28 8832 San Mateo Near Skyline Blvd. and Summit Dr. to the west of Hillsborough. Comment
  JROH1859  Cuscuta californica var. californica John Hunter Thomas 1978-7-2 19240 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Rider's Shack Comment
  POM278835  Cuscuta salina E. A. Purer 1933-8-13 5408 San Mateo Near Baden Station Comment
  CDA5324  Cyclospermum leptophyllum C. M. Sill 1970-7-17 San Mateo Mrs. G. Yuki, 439 Alameda, Redwood City. 0 Comment
  JROH5007  Cynodon dactylon John Hunter Thomas 1988-6-6 24512 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC23980  Cynoglossum grande Mary Katherine Wicksten 1971-7-2 149 San Mateo Huddart Park, Miwok Flat Comment
  JROH1389  Cynoglossum grande Le Roy Abrams 1902-4-6 2317 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Comment
  JROH5902  Cynoglossum grande L. Nordby 1982-4-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; east side of Searsville Lake below Rattlesnake rocks Comment
  CAS-BOT-BC190352  Cynosurus echinatus J. H. Thomas 1961-8-20 9684 San Mateo Hiking and riding trail below Skyline Boulevard between Bear Gulch Road and Kings Mountain Road. 609 Comment
  JROH5010  Cynosurus echinatus John Hunter Thomas 1986-6-17 24099 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC114454  Cyperus eragrostis John H. Thomas 1960-6-25 8791 San Mateo Redwood City. Along or near a small creek running into Redwood Slough, 7 Comment
  JROH4384  Cyperus eragrostis John Hunter Thomas 1983-7-7 22817 San Mateo Jasper Ridge Biological Preserve, Stanford University. Just below dam. Comment
  CAS-BOT-BC114463  Cyperus eragrostis Phillip C. Wheeler 1965-6-19 s.n. San Mateo Crocker Industrial Park Comment
  HSC7212  Cyperus eragrostis L. S. Rose 1965-9-20 65107 San Mateo Burlingame, Trousdale Dr. and California Dr. 9 Comment
  CAS-BOT-BC198195  Cytisus scoparius Phillip C. Wheeler 1965-4-27 s.n. San Mateo Brisbane, San Bruno Mountain 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
  JROH5032  Dactylis glomerata John Hunter Thomas 1989-5-30 24755 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC192230  Danthonia californica A. G. Vestal 1924-5-20 s.n. San Mateo Sandhill Road (west of Menlo Park) Comment
  CAS-BOT-BC192231  Danthonia californica Ira L. Wiggins 1929-5-10 3673 San Mateo At Pigeon Point Comment
  CAS-BOT-BC192241  Danthonia californica R. S. Ferris 1921-5-28 2189 San Mateo Near Pescadero, coast road Comment
  JROH1907  Datisca glomerata John Hunter Thomas 1991-11-21 25104 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing of San Francisquito Creek Comment
  SD30841  Deinandra corymbosa Edith A. Purer 1932-7-18 4025 San Mateo Near Pigeon Point. Comment
  UC990592  Deinandra corymbosa James I. McMurphy 1907-8-6 San Mateo between Woodside and Crystal Springs Comment
  CAS-BOT-BC299196  Deinandra corymbosa subsp. corymbosa J. H. Thomas 1949-6-4 592 San Mateo Along the coast 1.4 miles s. of road to Pescadero Comment
  CAS-BOT-BC292113  Delairea odorata James McMurphy 1905-10-19 s.n. San Mateo Above Portola Comment
  CAS-BOT-BC292119  Delairea odorata John H. Thomas 1968-12-18 14874 San Mateo Beach at Pescadero 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
  UC9192  Delphinium Alice Eastwood 1896-5-1 San Mateo Crystal Springs Comment
  CAS-BOT-BC9218  Delphinium californicum M. K. Curran 1884-1-1 s.n. San Mateo at Colma near San Francisco Comment
  JROH3424  Delphinium californicum subsp. californicum Lyman Benson 1930-5-12 2127 San Mateo Jasper Ridge Biological Preserve, Stanford University 152 Comment
  CAS-BOT-BC9229  Delphinium decorum Elizabeth McClintock 1965-3-28 s.n. San Mateo San Bruno Mountains, between April Brook and Radio Road Comment
  CAS-BOT-BC9231  Delphinium decorum W. R. Dudley 1900-3-17 s.n. San Mateo South side near the typ of Montaro Mountain Comment
  RSA10347  Delphinium hesperium H. A. Barker 1926-5-5 578 San Mateo Near Searsville Lake Comment
  UC9179  Delphinium hesperium subsp. pallescens J. Burtt Davy Jun 21 1893-Jun 23 1893 1152 San Mateo Pilarcitos Lake and Canyon Comment
  SEINET12086765  Delphinium nudicaule L. S. Rose 1931-1 s.n. San Mateo Kings Mt 914 Comment
  JROH3456  Delphinium patens subsp. patens John H. Thomas 1977-4-21 18540 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3458  Delphinium patens subsp. patens John Hunter Thomas 1980-4-10 19872 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam, grassy area Comment
  RSA32657  Delphinium variegatum Doris K. Kildale 1930-4-21 9221 San Mateo Emerald Lake Comment
  CAS-BOT-BC7886  Delphinium variegatum K. Hofpaugh 1929-5-8 422 San Mateo Crystal Lake, Skyline Blvd. near San Francisco Comment
  CAS-BOT-BC7898  Delphinium variegatum W. R. Dudley 1906-6-10 s.n. San Mateo on limestone hill, NW of Cahil Ridge Comment
  UC467751  Delphinium variegatum Milo S. Baker San Mateo near Burlingame Comment
  JEPS127792  Delphinium variegatum subsp. variegatum Adam C. Schneider with C. Matt Guilliams 2013-4-7 63 San Mateo 1+ m away from dirt road running parallel to overhead power transmission lines. GPS coordinates approximate. Comment
  JROH3462  Delphinium variegatum subsp. variegatum Roger L. von Preissig 1954-4-23 25 San Mateo Jasper Ridge Biological Preserve, Stanford University 167 Comment
  POM148952  Delphinium variegatum subsp. variegatum A. D. E. Elmer 1903-05 s.n. San Mateo Crystal Springs Lake. Comment
  UC9242  Delphinium variegatum subsp. variegatum Alice Eastwood Apr 1896 San Mateo Crystal Springs Comment
  UCD166056  Dendromecon rigida Jack Major; M. Forde and S. Bamberg 1962-4-3 730 San Mateo Ano Nuevo Point. (Exact location unknown. Coordinates estimated by label maker). Comment
Read comments
Oct 15 2021
  SEINET10476252  Dendromecon rigida Mary Susan Taylor 1978-8-30 Taylor 1865 San Mateo Comment
  CAS-BOT-BC629  Dendromecon rigida subsp. rigida Roxana Stinchfield Ferris 1920-4-26 1954 San Mateo Slopes above Peters Creek. 609 Comment
  JROH5049  Deschampsia danthonioides John Hunter Thomas 1982-5-7 20923 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5051  Deschampsia danthonioides John H. Thomas 1983-6-29 22718 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA591518  Deschampsia danthonioides D. D. Keck 1932-4-29 1448 San Mateo Redwood City. Fields near the San Francisco Bay salt marshes Comment
  CAS-BOT-BC201910  Deschampsia elongata W. R. Dudley 1910-5-26 s.n. San Mateo Coal Mine Ridge, near Black Mt. Comment
  CAS-BOT-BC201911  Deschampsia elongata W. R. Dudley 1895-6-6 s.n. San Mateo Pescadero Creek near Iverson's [Iverson] Comment
  JROH5058  Deschampsia elongata H. L. Mason 1921-5-13 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC905  Dicentra chrysantha Mrs. Ernest Meiere 1916-6-1 s.n. San Mateo Mt. Diablo Comment
  POM148896  Dicentra formosa subsp. formosa C. F. Baker 1902-3-22 344 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC500893  Dichelostemma capitatum Fred Hemphill 1973-5-6 777 San Mateo San Carlos, Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC500897  Dichelostemma capitatum Margaret A. Barry 1937-5-15 119 San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC500899  Dichelostemma capitatum Elmer I. Applegate 1895-5-8 703 a San Mateo San Francisquito Creek, Stanford University Comment
  SEINET5548143  Dichelostemma capitatum H. S. Gentry 1931-1 5 San Mateo Collected 1.5 miles west of San Mateo, Half-moon Bay road. Comment
  SBBG39530  Dichelostemma capitatum subsp. capitatum L. S. Rose 1970-4-8 San Mateo Black Mtn, W of San Mateo 121 Comment
  RSA212171  Dichelostemma capitatum subsp. capitatum L. S. Rose 1970-4-8 70025 San Mateo Black Mtn, W of San Mateo. 122 Comment
  UCD139212  Dichelostemma capitatum subsp. capitatum R. E. Dengler 1960-4-10 6 San Mateo Jasper Ridge, Stanford Biological Reserve. 190 Comment
  UCSB17658  Dichelostemma capitatum subsp. capitatum Schulte, John 1963-4-14 San Mateo Jasper Ridge 3 miles southwest of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  JROH4664  Dichelostemma congestum John Hunter Thomas 1977-6-16 18777 A San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  JROH5078  Digitaria sanguinalis John H. Thomas 1974-10-29 17648 San Mateo Jasper Ridge Biological Preserve, Stanford University. Small peninsula created by drainage channel cut to accomodate water from Corte Madera Cr. Comment
  JROH5081  Digitaria sanguinalis John Hunter Thomas 1991-11-21 25103 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low-flow crossing of San Francisquito Creek. Comment
  CAS-BOT-BC150456  Diplacus aurantiacus J. I. McMurphy 1906-5-20 25 San Mateo King's Mt., Santa Cruz Mts. Comment
  SEINET8415145  Diplacus aurantiacus LeRoy E. Detling 1932-8-17 1354 San Mateo San Gregorio. Comment
  CAS-BOT-BC151990  Diplacus douglasii L. R. Abrams 1915-3-23 5566 San Mateo Between Woodside and Crystal Springs Lake by crossroads - Santa Cruz Mountain Peninsula Comment
  JROH1910  Dipsacus sativus John Hunter Thomas 1981-10-25 20773 San Mateo Jasper Ridge Biological Preserve, Stanford University; near main gate Comment
  CDA6696  Dipsacus sativus T. C. Fuller 1960-4-2 4066 San Mateo Crystal Springs Reservoir, road to Half Moon Bay. 0 Comment
  HSC21402  Dirca occidentalis L. S. Rose 1964-3-9 64004 San Mateo North end of Crystal Springs Lake. 122 Comment
  HSC67074  Dirca occidentalis Richard Spjut, Donald Stoffey 1980-5-16 6197 San Mateo Crystal Springs Reservoir, 2 mi. W of San Mateo. 61 Comment
  JROH4197  Dirca occidentalis Miss A. M. Patterson 1906-2-11 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4207  Dirca occidentalis D. E. Breedlove 1971-5-11 19336 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4210  Dirca occidentalis John Hunter Thomas 1981-2-14 20227 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SBBG32296  Dirca occidentalis L. S. Rose 1964-3-9 64004 San Mateo N end of Crystal Springs Lake 121 Comment
  SEINET10776855 Image available Dirca occidentalis John H. Thomas 1958-2-15 Thomas 6980 San Mateo Jasper Ridge, about 5 miles southwest of Palo Alto. 152 Comment
  UC872739  Dirca occidentalis Lewis S. Rose 1939-4-12 39060 San Mateo Crystal Springs Lake 152 Comment
  POM134412  Dirca occidentalis Stewart H. Burnham 1894-2-3 s.n. San Mateo Redwood Forest, outer coast range Comment
  SBBG33466  Dirca occidentalis A. D. E. Elmer -Mar-1903 4123 San Mateo Alpine Road Comment
  SEINET12190188  Dirca occidentalis J. H. Thomas 1958-1 6980 San Mateo Jasper Ridge, about 5 SW of Palo Alto 183 Comment
  UCD64392  Distichlis spicata var. stolonifera A. A. Beetle 1942-10-1 1890 San Mateo Near San Mateo, borders of San Francisco Bay. Comment
  SEINET5548367  Dodecatheon hendersonii H. S. Gentry 1931-1 10 San Mateo 1.5 miles W of San Mateo, Half-Moon Bay road. Comment
  JROH1519  Draba verna John Hunter Thomas 1991-4-9 24977 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  RSA133097  Drymocallis glandulosa Donald A. Johansen 1933-5-18 705 San Mateo Hills above Searsville Lake along road from Portola to La Honda Comment
  CAS-BOT-BC159536  Drymocallis glandulosa var. glandulosa W. R. Dudley 1896-4-18 s.n. San Mateo Pebble Beach at Pescadero - Santa Cruz Peninsula Comment
  CAS-BOT-BC159546  Drymocallis glandulosa var. glandulosa John H. Thomas 1965-4-29 10600 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  CAS-BOT-BC159505  Drymocallis glandulosa var. glandulosa Elizabeth McClintock; Phillip Wheeler 1967-5-14 s.n. San Mateo Vicinity of fence separating Brisbane from Crocker Estate Company position of San Bruno Mountain, on east side of Mountain, above Harold Ave. Comment
  UC903041  Drymocallis glandulosa var. wrangelliana Ethel Crum 1934-4-29 1695 San Mateo one mi w Pescadero (near Pebble Beach); w of Pescadero, near Pebble Beach 30 Comment
  CAS-BOT-BC67883  Dryopteris arguta C. F. Baker 1902-1-15 320 San Mateo West side King's Mountain Comment
  CAS-BOT-BC67892  Dryopteris arguta David D. Keck 1932-2-12 1361 San Mateo La Honda Road, east slope of Coast Range above Searsville Lake 304 Comment
  JROH26  Dryopteris arguta John H. Thomas 1973-6-15 16840 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  CAS-BOT-BC67890  Dryopteris arguta W. R. Dudley 1905-6-19 s.n. San Mateo Santa Cruz Peninsula, Santa Cruz Mountains - by road near top of New Grade road to Black Mt. Comment
  POM281638  Dryopteris arguta Lyman Benson 1928-12-15 829 San Mateo Searsville Lake Dam 122 Comment
  UCSB17937  Dryopteris arguta Schulte, John 1963-4-14 San Mateo Jasper Ridge, 3 miles SW of Stanford campus, between Santa Clara Valley and Santa Cruz Mtns. 137 Comment
  CAS-BOT-BC410868  Dudleya caespitosa Lewis S. Rose 1955-7-25 55168 San Mateo Pigeon Point 6 Comment
  SEINET5548498  Dudleya caespitosa H. S. Gentry 1931-1 150 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  CAS-BOT-BC428368  Dudleya farinosa Lewis S. Rose 1937-9-5 37646 San Mateo Mussel Rocks 60 Comment
  JROH5937  Dysphania multifida John H. Thomas 1988-11-17 24595 San Mateo Jasper Ridge Biological Preserve, Stanford University; growing on delta in Searsville Lake 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
  CAS-BOT-BC113594  Eleocharis acicularis W. R. Dudley 1908-6-26 s.n. San Mateo Pond W of Scofield Pond, Coal Mine Ridge, Santa Cruz Mountain Peninsula. Comment
  JROH4407  Eleocharis macrostachya John Hunter Thomas 1982-8-13 21138 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4410  Eleocharis macrostachya Carol Zabel 2006-4-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. West side of "road" leading into Bike bowl, Comment
  CAS-BOT-BC113150  Eleocharis palustris Elizabeth McClintock; P. Reeberg 1989-5-2 s.n. San Mateo In disturbed seep 600 feet SE of the Carter/Martin intersection, Guadalupe Hills, Daly City 68 Comment
  RSA176541  Elymus X gouldii John H. Thomas 1963-6-23 10159 San Mateo Along Alpine Road near Ladera Comment
  CAS-BOT-BC203684  Elymus glaucus subsp. glaucus Ned Cahill 1974-5-18 301 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City 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-BC235207  Elymus multisetus Phillip C. Wheeler 1965-5-25 s.n. San Mateo San Bruno Mountain. Brisbane Canyon Comment
  JROH5127  Elymus multisetus John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5133  Elymus multisetus W. Lennihan 1989-5-4 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Fire road F at top of Ridge. Comment
  CAS-BOT-BC204302  Elymus trachycaulus subsp. trachycaulus L. R. A. 1902-5-11 2452 San Mateo Crystal Springs Comment
  JROH5277  Elymus triticoides Herbert Dengler 1960-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; 200 yds inside preserve from Mantilla Drive Comment
  CDA2047  Elytrigia repens Bruce Martin Aug 1949 San Mateo Coastal; Half Moon Bay, near San Francisco (about 30 mi. So.) 0 Comment
  JROH3043  Epilobium brachycarpum John H. Thomas 1972-8-18 16152 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA18504  Epilobium brachycarpum Carl B. Wolf 1927-7-14 616 San Mateo Summit of Kings Mountain Rd. Comment
  RSA185792  Epilobium brachycarpum John H. Thomas 1966-9-13 12392 San Mateo Pacifica. San Pedro Valley, near St. Peter s Catholic Church near Oostad Blvd. along Linda Mar Blvd. Comment
  UC1073372  Epilobium canum subsp. canum George B. Rossbach 1955-10-23 364 San Mateo w Crystal Springs Lake (steep bank above road); Cahill Ridge Comment
  UC124424  Epilobium canum subsp. canum C. F. Baker 1902-10-20 52 San Mateo summit of Coast Range Comment
  UCR121551  Epilobium ciliatum George K. Helmkamp, E. A. Helmkamp 1999-6-28 4998 San Mateo Pescadero Creek Watershed, Bean Hollow Road 0.3 mi south of Pescadero Road (SW of Pescadero). Slopes above Butano Creek 61 Comment
  JROH3057  Epilobium ciliatum subsp. ciliatum Ann Lambrecht 2006-8-14 26 San Mateo Jasper Ridge Biological Preserve, Stanford University; spillway of dam, western half, top tier Comment
  JROH3060  Epilobium ciliatum subsp. ciliatum John Hunter Thomas 1981-7-12 20694 San Mateo Jasper Ridge Biological Preserve, Stanford University; growing at boat dock Comment
  UC1122561  Epilobium ciliatum subsp. watsonii H. S. Yates 1935-5-8 5220 San Mateo 2 mi sw Pescadero; Santa Cruz Quadrangle Comment
  UC873365  Epilobium ciliatum subsp. watsonii Alice Eastwood 1912-6-3 215 San Mateo Granada Comment
  UCD105934  Epilobium ciliatum subsp. watsonii Malcolm A. Nobs; S. Galen Smith 1949-8-26 1585 San Mateo About 1 mile south of Half Moon Bay. Comment
  POM32709  Epilobium minutum C. F. Baker 1902-5-4 749 San Mateo Woodside. Comment
  CAS-BOT-BC57086  Equisetum X ferrissii E. Cannon 1898-5-24 s.n. San Mateo Colma Comment
  JROH60  Equisetum arvense John Hunter Thomas 1983-5-3 21879 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low-flow crossing Comment
  RSA430449  Equisetum hyemale var. affine Lyman Benson 1930-5-26 2128 San Mateo Stanford University. Lake Searsville. 152 Comment
  CAS-BOT-BC57617  Equisetum telmateia J. H. Thomas 1950-3-5 1295 San Mateo About 5 miles from Pescadero toward La Honda along highway 152 Comment
  UC810416  Equisetum telmateia subsp. braunii L. R. Abrams 1904-3-7 6343 San Mateo near Lime Talls Bear Gulch Comment
  POM9508  Equisetum telmateia var. braunii C. F. Baker 1902-3-18 324 San Mateo West side King s Mountain. Comment
  RSA684684  Equisetum telmateia var. braunii J. Doty 1969-3-27 608 San Mateo S side of State Hwy 84, ca 500 W of Bridge No. 35-165, ca 6 miles E of State Hwy 1. Comment
  JROH5925  Eragrostis curvula John Rawlings 2009-5-1 1048 San Mateo Sand Hill Road at entrance to Horse Park at Woodside, on the Menlo Park-Woodside border, San Mateo Co. Comment
  JROH5140  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
  CAS-BOT-BC299888  Erechtites glomeratus Delzie Demaree 1933-8-13 10505 San Mateo Santa Clara Valley, Belmont Comment
  CAS-BOT-BC299893  Erechtites glomeratus J. H. Thomas 1955-12-6 5514 San Mateo Pilarcitos Lake Dam Comment
  UCR126191  Erica canaliculata H. Schironi 1979-1-18 s.n. San Mateo Near Half Moon Bay Comment
  JROH647  Erigeron bonariensis Toni Corelli 2006-8-16 326 San Mateo Jasper Ridge Biological Preserve, Stanford University. South of Road B, along San Francisquito Creek in dry creek bed below Dennis Martin marker site 70 Comment
  JROH677  Erigeron canadensis Toni Corelli 2006-9-20 327 San Mateo Jasper Ridge Biological Preserve, Stanford University. Above Corte Madera Creek, west of Trail 12 106 Comment
  JROH678  Erigeron canadensis Toni Corelli 2011-8-30 372 San Mateo Jasper Ridge Biological Preserve, Stanford University. South of Road B, in vicinity of Dennis Martin site sign 76 Comment
  JROH648  Erigeron canadensis John H. Thomas 1964-11-15 10524 San Mateo Jasper Ridge Biological Preserve, Stanford University; along road at edge of Searsville Lake Comment
  UCD131896  Erigeron floribundus John Thomas Howell 1975-9-25 51508 San Mateo San Bruno Mountain. 396 Comment
  CAS-BOT-BC295083  Erigeron glaucus Robert Robertson 1954-5-1 123 San Mateo Pebble Beach 12 Comment
  CAS-BOT-BC295087  Erigeron glaucus Walter Knight; Irja Knight; Elizabeth McClintock 1963-9-2 s.n. San Mateo San Bruno Mountain. Power Line Ridge Comment
  CAS-BOT-BC295094  Erigeron glaucus Louis F. Pitelka 1974-5-28 s.n. San Mateo Bolsa Point, about 1 mi N of Pigeon Point and about 39 mi S of San Francisco Comment
  UC1536738  Erigeron glaucus G. H. True Jr. 1936-6-7 482 San Mateo top of seaside bluff at cove 2 mi s of Pescadero 15 Comment
  JROH693  Erigeron karvinskianus Ann Lambrecht 2009-4-6 40 San Mateo Jasper Ridge Biological Preserve, Stanford University; rock outcrop on south side of San Francisquito Creek below Trail 2 Comment
  CAS-BOT-BC216133  Eriodictyon californicum Fred Hemphill 1973-5-6 762 San Mateo North of Malabar Road and Melendy Dr., San Carlos 207 Comment
  JROH2719  Eriodictyon californicum John H. Thomas 1970-7-5 15667 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  LA205654  Eriodictyon californicum Lewis S. Rose; 1932-5-3 32220 San Mateo Belmont 182 Comment
  UC662625  Eriodictyon californicum L. S. Rose 1941-7-2 41288 San Mateo Kings Mountain 480 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-BC250541  Eriogonum gracile Phillip C. Wheeler 1965-7-7 s.n. San Mateo San Bruno Mountain. Canyon south of Pig Ranch Comment
  CAS-BOT-BC251977  Eriogonum latifolium John H. Thomas 1974-5-7 17320 San Mateo San Bruno Mountain. Along Guadalupe Parkway opposite school. Western side of mountain Comment
  CAS-BOT-BC251995  Eriogonum latifolium A. D. E. Elmer 1903-7-1 4557 San Mateo Half Moon Bay Comment
  SD88537  Eriogonum latifolium Darley F. Howe 1972-6-25 San Mateo 7.5 miles north of Half Moon Bay Comment
  RSA766114  Eriogonum latifolium D. D. Keck 1931-10-5 1287 San Mateo 1 mile north of Salada Beach, 200 meters from the ocean. Comment
  UCSC007742  Eriogonum latifolium Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC264774  Eriogonum luteolum Hester R. Davis 1920-6-1 177 San Mateo Back of Redwood City, Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC264778  Eriogonum luteolum Lewis S. Rose 1937-9-21 37661 San Mateo Emerald Lake, west of Redwood City 182 Comment
  CAS-BOT-BC266074  Eriogonum luteolum A. D. E. Elmer 1903-6-1 4309 San Mateo Belmont Comment
  JROH3224  Eriogonum luteolum var. luteolum A. G. Vestal 1937-7-18 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Southeast side of ridge not far from Stanford property line. Comment
  LA27120  Eriogonum luteolum var. luteolum L. S. Rose; 1941-9-2 41432 San Mateo W of Redwood City, Emerald Lake 90.0 Comment
  JROH3232  Eriogonum luteolum var. luteolum John H. Thomas 1972-8-18 16146 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS127777  Eriogonum nudum var. auriculatum Adam C. Schneider with C. Matt Guilliams 2013-3-9 30 San Mateo Comment
  JEPS128396  Eriogonum nudum var. auriculatum Adam C. Schneider 2013-5-17 142 San Mateo Crystal Springs Reservoir. Comment
  RSA169305  Eriogonum nudum var. auriculatum L. S. Rose 1964-9-9 64074 San Mateo Emerald Lake, west of Redwood City 244 Comment
  RSA393325  Eriogonum nudum var. auriculatum E. A. Purer 1933-7-27 5401 San Mateo Along Bayshore Highway near Redwood City Comment
  SD5712  Eriophyllum Ulysses S. Grant IV 1925-6-5 San Mateo Burlingame Comment
Read comments
Jul 10 2010
  CAS-BOT-BC304066  Eriophyllum confertiflorum Linda Fox 1969-6-20 1005 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd Comment
  CAS-BOT-BC304086  Eriophyllum confertiflorum Ned Cahill 1974-5-18 285 San Mateo Near the intersection of Canada and Edgewood roads, about 3 miles westward from Redwood City Comment
  JROH696  Eriophyllum confertiflorum var. confertiflorum John H. Thomas 1967-5-31 12942 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  LA203569  Eriophyllum confertiflorum var. confertiflorum Lewis S. Rose; 1933-5-17 33176 San Mateo Redwood City Comment
  UC517987  Eriophyllum confertiflorum var. confertiflorum Lewis S. Rose 1933-5-17 33176 San Mateo Redwood City Comment
  CAS-BOT-BC301266  Eriophyllum lanatum var. arachnoideum C. F. Leitholt 1893-5-27 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Summit Springs, Kings Mountain Comment
  CAS-BOT-BC301270  Eriophyllum lanatum var. arachnoideum W. R. Dudley 1895-9-15 s.n. San Mateo Santa Cruz Mountain Peninsula. El Corte Madera road down to Lumber Camp 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
  CAS-BOT-BC301271  Eriophyllum lanatum var. arachnoideum W. R. Dudley 1894-4-21 s.n. San Mateo Santa Cruz Mountain Peninsula. By county road below Dam, San Mateo Creek Comment
  CAS-BOT-BC301753  Eriophyllum latilobum A. D. E. Elmer 1903-6-1 4397 San Mateo field near San Francisquito Creek near Stanford University Comment
  NY168698  Eriophyllum latilobum A. A. Heller 1907-5-28 8584 San Mateo 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
  POM204328  Eriophyllum latilobum I. L. Wiggins 1929-7-4 3785 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  POM54247  Eriophyllum latilobum A. D. E. Elmer 1903-06 4397 San Mateo San Mateo Comment
  UC614530  Eriophyllum latilobum L. Constance 1938-5-16 2242 San Mateo Half Moon Bay Rd 2 mi sw San Mateo; San Mateo Creek 45 Comment
  JEPS30882  Eriophyllum staechadifolium J. H. Thomas 1949-10-16 1151 San Mateo just n of outlet San Gregorio Creek Comment
  UC1118210  Eriophyllum staechadifolium T. Tyrrell 1928-9-26 7 San Mateo 2 mi s San Gregorio; Santa Cruz Quad. 182 Comment
  CAS-BOT-BC301964  Eriophyllum staechadifolium John H. Thomas 1963-7-19 10188 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  CAS-BOT-BC301968  Eriophyllum staechadifolium L. R. Abrams 1907-8-1 s.n. San Mateo Between Pescadero and Half Moon Bay Comment
  SEINET11850780  Eriophyllum staechadifolium var. artemisiaefolium E. A. Purer 1933-1 5395 San Mateo 2 mi S of Pigeon Point Comment
  SEINET11850785  Eriophyllum staechadifolium var. artemisiaefolium E. H. Graham 1931-1 6930 San Mateo Ano Nuevo Pt., S of San Francisco Comment
  JROH2593  Erodium botrys John H. Thomas 1968-3-31 14257 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA328357  Erodium botrys Robert A. Norris 1984-5-9 4731 San Mateo Olivet Memorial Park throughway, Colma. Comment
  SBBG39491  Eryngium armatum L. S. Rose 1970-7-26 70076 San Mateo Hillsborough, Black Mtn, Skyline Blvd 121 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
  CAS-BOT-BC54509  Erysimum capitatum James McMurphy 1909-5-25 s.n. San Mateo La Honda. Comment
  CAS-BOT-BC54511  Erysimum capitatum G. B. Rossbach; R. P. Rossbach 1938-6-12 860 San Mateo Coast Range. La Honda grove. 121 Comment
  CAS-BOT-BC54826  Erysimum franciscanum Alice Eastwood 1914-3-12 s.n. San Mateo San Bruno Hills. Comment
  CAS-BOT-BC54840  Erysimum franciscanum G. B. Rossbach; R. P. Rossbach 1938-3-15 800 San Mateo East side Crystal Springs Lake. 106 Comment
  CAS-BOT-BC54842  Erysimum franciscanum G. B. Rossbach; R. P. Rossbach 1938-4-3 806 San Mateo Crests and steep upper slopes of the San Bruno Hills. 365 Comment
  CAS-BOT-BC54866  Erysimum franciscanum G. B. Rossbach 1940-5-24 932 San Mateo San Bruno Hills. Ridge 0.5 to 1 mile southeast of highest peak. 358 Comment
  CAS-BOT-BC54868  Erysimum franciscanum Le Roy Abrams 1902-5-11 2443 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC54887  Erysimum franciscanum Oliver W. Norvell 1931-3-2 1410 San Mateo Near Crystal Springs Lake. Comment
  POM176893  Erysimum franciscanum Roxana S. Ferris 1921-4-7 s.n. San Mateo San Bruno Mountains 183 Comment
  RSA101866  Erysimum franciscanum G. B. Rossbach 1938-4-3 806 San Mateo San Bruno Hills 305 Comment
  RSA101920  Erysimum franciscanum G. B. Rossbach 1939-5-12 912 San Mateo Pedro Point: headland above sea Comment
  RSA102110  Erysimum franciscanum G. B. Rossbach 1955-3-12 566 San Mateo SE end of Buriburi Ridge, NW side of San Mateo Creek 76 Comment
  UC1034934  Erysimum franciscanum G. B. and R. P. Rossbach 1939-3 905 a&b San Mateo creek ravine below Crystal Springs Lake; San Mateo Cr. 60 Comment
  UC1034937  Erysimum franciscanum G. B. and R. P. Rossbach 1939-3 900 a&b San Mateo 2.5 mi n Montara (near Devil's Slide, steep granitic slope above sea) Comment
  UC1034949  Erysimum franciscanum G. B. and R. P. Rossbach 1938-4-3 806 San Mateo crests and steep upper slopes San Bruno Hills 304 Comment
  SJSU11565  Erythranthe guttata J. E. Hagerty 1950-5-20 San Mateo Pescadero Comment
  JROH5683  Erythranthe microphylla John Rawlings 2015-3-15 1357 San Mateo Jasper Ridge Biological Preserve, Stanford University; rocky serpentine north side of ridge. 176 Comment
  CAS-BOT-BC403535  Eschscholzia californica Margaret A. Barry 1937-4-21 20 San Mateo On Coal Mine Ridge Comment
  JROH3094  Eschscholzia californica John H. Thomas 1967-6-1 12963 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC403545  Eschscholzia californica H. L. Mason 1922-3-26 s.n. San Mateo Mouth of Gazos Creek Comment
  CAS-BOT-BC403554  Eschscholzia californica W. S. Chandler 1901-3-30 s.n. San Mateo San Mateo Comment
  CAS-BOT-BC202736  Euonymus occidentalis Margaret A. Barry 1938-5-29 260 San Mateo Corte Madera Creek near Coal Mine Ridge Comment
  CAS-BOT-BC202746  Euonymus occidentalis W. R. Dudley 1910-5-26 s.n. San Mateo Santa Cruz Mountain Peninsula. Los Trancos Creek, above Judge Allen's Comment
  POM124471  Euonymus occidentalis A. D. E. Elmer 1903-1 317 San Mateo Butano Creek Comment
  JROH1803  Euonymus occidentalis var. occidentalis Carol Zabel 1989-5-5 14 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 1 on sandstone slope east of redwoods Comment
  UCD142398  Euphorbia helioscopia J. H. Thomas 1959-7-8 8014 San Mateo About 1/4 mile west of center of Pescadero on road toward the coast. 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
  JROH5833  Euphorbia oblongata Ann Lambrecht, Teri Barry 2014-5-27 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; in now-dry bed of San Francisquito Creek Comment
  JROH1951  Euphorbia serpillifolia subsp. serpillifolia John H. Thomas 1959-8-22 8083 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1971  Euphorbia spathulata Karen Weissman 1970-4-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Area H Comment
  CAS-BOT-BC310620  Eurybia radulina A. D. E. Elmer 1903-7-1 4973 San Mateo Portola Comment
  UC1536887  Eurybia radulina G. H. True Jr. 1937-7-31 829 San Mateo near, (Alpine Road near Skyline Blvd.) Skyline Blvd. 182 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-BC310621  Eurybia radulina L. R. A. 1902-9-28 3004 San Mateo Portola - Santa Cruz Mts. Comment
  JROH726  Euthamia occidentalis John H. Thomas 1964-10-2 10511 San Mateo Jasper Ridge Biological Preserve, Stanford University; edge of Searsville Lake near bridge Comment
  SJSU14659  Fagus sylvatica P. J. Canziani 1979-10-14 San Mateo Washington Park, Burlingame Comment
  JROH5477  Festuca bromoides W. Lennihan 1990-4-4 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Escobar - right of road just before Trail 15. 176 Comment
  CAS-BOT-BC278284  Festuca californica Dean Wm. Taylor 1988-4-8 9504 San Mateo Santa Cruz Mountains. San Bruno Mountain, northern slope of southeast ridge of the mountain, near the ridgecrest. Right-of-way of eastern-most set of PGandE high-voltage powerlines crossing the mountain 237 Comment
  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
  CAS-BOT-BC278352  Festuca californica subsp. californica W. R. Dudley 1900-3-16 s.n. San Mateo Santa Cruz Mountain Peninsula. By road to Kings Mt. Comment
  CAS-BOT-BC278360  Festuca californica subsp. californica Catherine A. Toschi 1963-3-17 63 :50 San Mateo San Bruno Mountain. Northeast slope below radio station Comment
  UCD65864  Festuca californica subsp. californica P. B. Kennedy 1916-4-1 San Mateo Daly City, Colma Canyon, S San Francisco. Comment
  CAS-BOT-BC278472  Festuca idahoensis George Oberlander 1950-4-23 799 San Mateo San Francisco Watershed Reserve Comment
  CAS-BOT-BC539285  Festuca idahoensis John Rawlings; Ken Hickman 2015-6-8 1577 San Mateo Caltrans right-of-way above Hwy 92 E of Hwy 280, downslope from San Francisco Watershed fenceline 118 Comment
  RSA100977  Festuca idahoensis G. Oberlander 1950-5-6 875 San Mateo Sawyer Ridge, San Francisco Watershed Reserve. Comment
  UCD163541  Festuca idahoensis Peter Rubtzoff 1980-5-3 9436 San Mateo San Bruno Mountains. The Edward Preston Lee Memorial Site and vicinity. Comment
  JROH5494  Festuca myuros Herbert Dengler 1957-4-21 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5505  Festuca myuros John Rawlings 2013-4-16 1132 San Mateo Jasper Ridge Biological Preserve, Stanford University. In and along Trail 2 extension south of the Dengler Transect after a short uphill section where the trail passes a boulder on the uphill side. 84 Comment
  UCSB18778  Festuca myuros Schulte, John 1963-4-28 San Mateo Jasper Ridge; 3 miles SW of Stanford Campus; between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
Read comments
Oct 17 2011
  JROH2973  Ficus carica John H. Thomas 1967-6-1 12982 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA134237  Fragaria californica John H. Thomas 1950-3-19 1299 San Mateo Near intersection of Coast Hwy and road to Swanton, 1 mile SE of mouth of Waddell Creek. 30 Comment
  RSA152236  Fragaria californica I. L. Wiggins 1925-04 1647 San Mateo On Kings Mtn Road three fourths of a mile above Woodside. Comment
  SD37687  Fragaria chiloensis Edith A. Purer 1933-5-14 3605 San Mateo Pescadero Comment
  UC203052  Fragaria chiloensis A. D. E. Elmer Apr 1903 4799 San Mateo San Pedro Comment
  CAS-BOT-BC437029  Fragaria chiloensis A. D. E. Elmer 1903-4-1 4799 San Mateo San Pedro Comment
  CAS-BOT-BC437032  Fragaria chiloensis W. R. Dudley 1900-3-18 s.n. San Mateo San Pedro Valley near beach, Santa Cruz Peninsula Comment
  JROH3664  Fragaria vesca John H. Thomas 1976-10-16 18427 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1127972  Fragaria vesca H. S. Yates 1935-2-3 5006 San Mateo 0.5 mi se Pigeon Pt.; Santa Cruz Quad. 30 Comment
  CAS-BOT-BC389686  Fragaria vesca subsp. californica Jeanie Nieri 1953-2-14 75 San Mateo Hillside 6 miles west of Belmont Comment
  CAS-BOT-BC457512  Fragaria vesca subsp. californica Ira L. Wiggins 1928-4-14 2913 San Mateo Alpine Creek Road Comment
  CAS-BOT-BC52685  Frangula californica subsp. californica John H. Thomas 1961-5-7 9297 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC52689  Frangula californica subsp. californica Elizabeth McClintock; Phillip Wheeler 1967-6-11 s.n. San Mateo North facing slope to south of new Guadalupe Parkway to west of where it meets Radio Road Comment
  JEPS127867  Frangula californica subsp. californica Adam C. Schneider 2013-5-17 170 San Mateo Crystal Springs Reservoir Comment
  JROH3573  Frangula californica subsp. tomentella John Hunter Thomas 1981-2-14 20214 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CHSC57013  Frankenia salina 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-BC130138  Fritillaria affinis Eric Walther 1920-5-9 s.n. San Mateo Woodside Comment
  JEPS55687  Fritillaria affinis W. Roderick 1962-2-10 San Mateo Mount San Bruno 3 Comment
  POM169361  Fritillaria affinis C. F. Baker 1902-3-30 430 San Mateo Crystal Springs Lake. Comment
  UC204192  Fritillaria affinis A. D. E. Elmer May, 1903 5045 San Mateo Portola Comment
  UC803943  Fritillaria affinis G. L. Stebbins Jr. 1949-6-5 3984 San Mateo 1/2 mi n of La Honda (along highway) Comment
  CAS-BOT-BC130121  Fritillaria affinis George Oberlander 1949-4-17 81 San Mateo Pilarcitos Canyon Comment
  CAS-BOT-BC130144  Fritillaria affinis W. R. Dudley 1893-3-24 s.n. San Mateo Below B. Heywood's, Pescadero Creek Comment
  POM196568  Fritillaria agrestis Roxana S. Ferris 1921-3-21 s.n. San Mateo Santa Cruz Mountain Penisula: New Years Point Comment
  CAS-BOT-BC130378  Fritillaria liliacea Volney Rattan 1880-1-1 s.n. San Mateo South San Francisco Comment
  CAS-BOT-BC130385  Fritillaria liliacea Marion Gallagher; Gladys L. Smith 1978-6-3 4804 San Mateo Farm Hill above Redwood City Comment
  JEPS61918  Fritillaria liliacea W. L. Jepson 1914-3-22 5732 San Mateo Redwood City Comment
  RSA289961  Fritillaria liliacea I. Smith 1915-3-15 s.n. San Mateo Hillsboro Comment
  SDSU20659  Fritillaria liliacea Sean Ryan 2011-3-18 76 San Mateo 65 yds S of Point Reyes-Petaluma Rd. approx. 0.66 mi W of its intersection with Nicasio Valley Rd. Nicasio Reservoir. 65 Comment
Read comments
Sep 10 2014
  UC1057446  Fritillaria liliacea G. Thomas Robbins 1937-4-11 88 San Mateo near Spring Valley Lakes (on road to Woodside) Comment
  SEINET12044985  Fritillaria liliacea H. E. Parks, Parks, S. T. 1930-1 400 San Mateo Spring Valley Lakes 152 Comment
  CDA20772  Fumaria capreolata D. Pendleton 2006-6-13 PDR 1381606 San Mateo Old Jackson Orchard Nursery, Pescadero Creek Rd.. Comment
  CAS-BOT-BC422449  Fumaria capreolata Philip Morgan 1985-5-1 s.n. San Mateo Growing at the base of Montara Mountain. Comment
  CAS-BOT-BC258909  Galium Peter Rubtzoff 1988-6-25 9928 San Mateo Menlo Park, on Willow Road near Alma Street. Comment
  JEPS127813  Galium aparine Adam C. Schneider with C. Matt Guilliams 2013-4-7 77 San Mateo Comment
  UCR123146  Galium californicum subsp. californicum George K. Helmkamp, E. A. Helmkamp 2001-6-2 6778 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
  RSA124751  Galium murale John H. Thomas 1958-5-10 7138 San Mateo Jasper Ridge. About 5 miles SW of Palo Alto. 152 Comment
  JROH3788  Galium murale John H. Thomas 1961-4-29 9177 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM319916  Galium nuttallii Barbara Shervanick 1973-4-1 805 San Mateo San Bruno Mt. at first summit at end of Crocker Rd. Comment
  JEPS14551  Galium triflorum L. T. Dempster 1956-5-15 1001 San Mateo near stream-bed Lake Pilarcitos Comment
  JROH795  Gamochaeta ustulata John Hunter Thomas 1981-5-8 20550 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH798  Gamochaeta ustulata John Hunter Thomas 1983-5-23 22239 San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack side & low-flow crossing Comment
  CAS-BOT-BC303471  Gamochaeta ustulata Margaret A. Barry 1937-5-15 141 San Mateo Coal Mine Ridge Comment
  RSA218010  Gamochaeta ustulata Phillip Wheeler 1965-5-12 s.n. San Mateo Pig Ranch Ravine; San Bruno Mountains. Comment
  POM222795  Garrya elliptica K. L. Dole 1909-2-27 s.n. San Mateo Jasper Ridge. 183 Comment
  UC21592  Garrya elliptica J. Burtt Davy Jun 21 1893-Jun 23 1893 San Mateo Pilarcitos Lake and Canyon Comment
  RSA116655  Garrya elliptica Roxana Stinchfield 1914-2-7 13 San Mateo Judge Allens [difficult to read] Road. Comment
  CAS-BOT-BC278664  Gastridium phleoides C. F. Leitholt 1894-8-13 s.n. San Mateo Santa Cruz Mountain Peninsula. Devils Canon [Canyon], Mill Cr. Comment
  JROH5191  Gastridium phleoides John Hunter Thomas 1982-7-3 21064 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5196  Gastridium phleoides W. Lennihan 1989-5-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 11 - middle of the path. Comment
  JROH5198  Gastridium phleoides John Hunter Thomas 1992-5-14 25220 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD66730  Gastridium phleoides Malcolm A. Nobs; S. Galen Smith 1949-8-26 1610 San Mateo About 1 mile south of Pigeon Point. Comment
  CAS-BOT-BC59634  Gaultheria shallon Arthur Menzies 1964-1-12 s.n. San Mateo San Bruno Mountain. Comment
  CAS-BOT-BC219101  Genista monspessulana Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo Radio Road Comment
  CAS-BOT-BC219144  Genista monspessulana Ira L. Wiggins 1929-7-4 3790 San Mateo Moist ravine 4 mi. W. of La Honda on Hill road to Pescadero Beach Comment
  JROH2013  Genista monspessulana John Hunter Thomas 1983-4-3 21307 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lab Comment
  JROH2015  Genista monspessulana John Hunter Thomas 1985-5-7 23640 San Mateo Jasper Ridge Biological Preserve, Stanford University; near bridge Comment
  UCSB11484  Genista monspessulana Olson, Jim 1962-4-15 San Mateo 1 mile south of La Honda on Skyline Boulevard 670 Comment
  CAS-BOT-BC219148  Genista monspessulana Doris M. Ladd 1954-5-1 50 San Mateo Road to La Honda, near Five Points Comment
  JROH2611  Geranium dissectum John H. Thomas 1967-4-20 12705 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC166682  Geranium dissectum Peter Rubtzoff 1976-5-22 8546 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  JROH2625  Geranium molle John H. Thomas 1967-3-26 12422 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3169  Gilia John Hunter Thomas 1983-4-20 21534 San Mateo Jasper Ridge Biological Preserve, Stanford University. Low-flow crossing Comment
  POM209882  Gilia achilleifolia subsp. multicaulis D. D. Keck 1934-7-7 2931 San Mateo Kings Mountain, west of summit 610 Comment
  JEPS89470  Glebionis coronaria Dean W. Taylor 1988-4-8 9516 San Mateo n slope of se ridge of San Bruno Mountain ((near the ridgecrest), Right-of-way of eastern-most set of PG&E high-voltage powerlines crossing the mountain, Santa Cruz Mountains); Santa Cruz Mountains, San Bruno Mountain 237 Comment
  CAS-BOT-BC303683  Glebionis coronaria Robert S. Jr. Cox 1946-8-10 s.n. San Mateo Half Moon Bay Comment
  CAS-BOT-BC303687  Glebionis coronaria Walter & Irja Knight 1967-6-6 2071 San Mateo San Bruno Mt. Point San Bruno Comment
  SEINET8687951 Image available Glebionis segetum K. Thorne, J. Chandler 1986-7-25 4941 San Mateo Half Moon Bay, 2 miles south of Moss Beach at Dune Beach Comment
  JROH2026  Glycyrrhiza lepidota John Hunter Thomas 1983-7-7 22819 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA18268  Gnaphalium californicum C. B. Wolf 1927-6-27 455 San Mateo Los Troncos Creek, 2 mi back of Stanford University. Comment
  UCR254759  Gnaphalium chilense Peter Rubtzoff 1975-11-8 8438 San Mateo San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 213 Comment
  RSA218036  Gnaphalium chilense Walter Knight, I. Knight 1963-8-5 s.n. San Mateo Radio Road, San Bruno Mountain Comment
  SEINET11835917  Grindelia E. A. Purer 1933-1 5369 San Mateo Pigeon Point Comment
  CAS-BOT-BC304503  Grindelia hirsutula Le Roy Abrams 1901-9-1 2221 San Mateo Cooleys Landing Comment
  CAS-BOT-BC304509  Grindelia hirsutula Paul H. Arnaud, Jr. 1963-9-15 s.n. San Mateo Redwood City Comment
  CAS-BOT-BC304523  Grindelia hirsutula H. E. McMinn 1922-6-22 252 San Mateo Near Half Moon Bay (?). Coast road to Half Moon Bay Comment
  CAS-BOT-BC304529  Grindelia hirsutula Saichi Kawahara 1969-6-15 426 San Mateo Pescadero Beach, 150 yards south of mouth of Pescadero Creek, Highway 1 4 Comment
  CAS-BOT-BC304532  Grindelia hirsutula W. R. Dudley 1897-10-10 s.n. San Mateo At Pilar Point Comment
  CAS-BOT-BC304542  Grindelia hirsutula W. R. Dudley 1894-5-30 s.n. San Mateo Santa Cruz Peninsula. Near Redwood City Comment
  JEPS41871  Grindelia hirsutula W. L. Jepson 1896-1 San Mateo Santa Cruz Mountains 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
  UCSB24492  Grindelia hirsutula McMinn, Howard 1922-6-22 San Mateo Court road & Half Moon Bay Comment
  SD30785  Grindelia stricta var. angustifolia Edith A. Purer 1933-8-26 5525 San Mateo Along highway, at edge of ditch near salt water Comment
  RSA11899  Guillenia lasiophylla Elmer I. Applegate 1895-5-11 33 San Mateo Stock Farm. Stanford University. Comment
  SJSU16061  Hedypnois cretica Toni Corelli 2010-4-9 514 San Mateo Rockaway Headlands, southwest of Rockaway Beach, Pacifica Comment
  JROH829  Helenium puberulum John H. Thomas 1961-6-14 9542 San Mateo Jasper Ridge Biological Preserve, Stanford University; along stream below dam Comment
  POM296643  Helenium puberulum L. S. Rose 1941-9-13 41439 San Mateo San Mateo Canyon. 30 Comment
  RSA0034607  Helenium puberulum I. L. Wiggins 1929-7-4 3791 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  JROH853  Helianthella californica var. californica John Hunter Thomas 1978-4-20 19081 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH856  Helianthella californica var. californica John Hunter Thomas 1981-5-8 20564 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH861  Helianthella californica var. californica John Hunter Thomas 1989-5-9 24722 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH849  Helianthella californica var. californica J. S. McMurphy 1911-5-9 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC305340  Helianthella castanea Philip Wheeler 1965-4-27 s.n. San Mateo San Bruno Mountain. Sierra Point Comment
  CAS-BOT-BC305341  Helianthella castanea Glenn L. Clifton 1988-5-11 17823 San Mateo San Bruno Mountain, canyon on north-facing slope above Brisbane, adjacent to right-of-way of eastern-most set of PGandE high-voltage powerlines crossing the mountain 256 Comment
  CAS-BOT-BC224054  Helianthemum scoparium Fred Hemphill 1973-5-6 772 San Mateo San Carlos. North of Malabar Rd. and Melendy Dr. 207 Comment
  SJSU3591  Helminthotheca echioides A. I. Wilson 1967-9-18 2 San Mateo by W side Los Trancos Cr c. midway between Portola Valley & Palo Alto Comment
  CAS-BOT-BC313453  Hemizonia congesta subsp. luzulifolia Josephine D. Randall 1907-7-23 78 San Mateo Near Crystal Springs Lake, Santa Cruz Peninsula Comment
  CAS-BOT-BC313457  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1910-8-24 s.n. San Mateo Corte Madera Creek Comment
  CAS-BOT-BC313459  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1935-9-21 35652 San Mateo Redwood City Comment
  CAS-BOT-BC314924  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1941-10-24 41470 San Mateo Belmont 6 Comment
  CAS-BOT-BC314940  Hemizonia congesta subsp. luzulifolia Linda Fox 1969-6-20 1002 San Mateo Near Canada College, Redwood City just off of Farm Hill Blvd. Comment
  CAS-BOT-BC314941  Hemizonia congesta subsp. luzulifolia David D. Keck 1932-5-6 1492 San Mateo East side of Crystal Springs Lake 60 Comment
  LA203702  Hemizonia congesta subsp. luzulifolia Lewis S. Rose; 1935-9-21 35652 San Mateo Redwood City Comment
  LA27292  Hemizonia congesta subsp. luzulifolia Lewis S. Rose; 1941-10-24 41470 San Mateo Belmont 6 Comment
  CAS-BOT-BC314908  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1929-9-29 4421 San Mateo Searsville Lake Comment
  CAS-BOT-BC314928  Hemizonia congesta subsp. luzulifolia J. McMurphy 1909-6-13 s.n. San Mateo Near Millbrae, Santa Cruz Mountain Peninsula Comment
  HSC24007  Hemizonia congesta subsp. luzulifolia Mary Katherine Wicksten 1971-7-20 180 San Mateo Huddart Park, below Redwood Shelter Comment
  POM223640  Hemizonia luzulifolia subsp. rudis L. S. Rose 1935-9-21 35652 San Mateo Redwood City. Comment
  POM132681  Heracleum maximum A. D. E. Elmer 1903-07 5073 San Mateo Pilarcitos Stone Dam. Comment
  JROH900  Hesperevax sparsiflora var. sparsiflora John Hunter Thomas 1991-5-9 25044 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC310244  Hesperevax sparsiflora var. sparsiflora Elizabeth McClintock 1978-4-24 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  CAS-BOT-BC403865  Hesperocnide tenella Walter Knight; Irja Knight 1964-5-30 615 San Mateo San Bruno Mountain. Colma Canyon Comment
  CAS-BOT-BC176205  Hesperolinon congestum L. S. Rose 1931-5-15 s.n. San Mateo Emerald Lake west of Redwood City Comment
  CAS-BOT-BC176214  Hesperolinon congestum Hester R. Davis 1920-6-1 179 San Mateo Back of Redwood City Comment
  UC1219880  Hesperolinon congestum John H. Thomas 1961-5-14 9379 San Mateo road bank and outcropping just n dam on San Mateo Creek 121 Comment
  CAS-BOT-BC148462  Heteromeles arbutifolia Ned Cahill 1974-4-19 145 San Mateo Chaparral near the intersection of Canada and Edgewood Roads, about 3 mi westward from Redwood City. Comment
  RSA451286  Heteromeles arbutifolia E. A. Purer 1932-7-18 15930 San Mateo Kings Mtn Comment
  UC481555  Heteromeles arbutifolia H. F. Copeland 1929-7-4 San Mateo La Honda Grade Comment
  CAS-BOT-BC310762  Heterotheca sessiliflora subsp. echioides E. A. McGregor 1906-9-23 s.n. San Mateo Corte de Madera Comment
  JEPS27369  Heuchera micrantha Rimo Bacigalupi with J. Roof and L. Heckard 1961-4-24 7629 San Mateo below and se of end of paved ridge-top road just e of KRON television tower and station San Bruno Mt summit (Guadalupe Valley side of); San Bruno Mt 304 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-BC420888  Heuchera micrantha var. diversifolia L. S. Rose 1941-7-2 41289 San Mateo Kings Mountain 600 Comment
  CAS-BOT-BC420893  Heuchera micrantha var. diversifolia A. D. E. Elmer 1903-7-1 4762 San Mateo Pilarcitos Stone Dam Comment
  CAS-BOT-BC420897  Heuchera micrantha var. erubescens L. S. Rose 1941-7-2 1146 San Mateo Kings Mountain 600 Comment
  CAS-BOT-BC424380  Heuchera micrantha var. hartwegii W. R. Dudley 1893-5-27 s.n. San Mateo Redwoods near top of Kings Mountain Comment
  CAS-BOT-BC424381  Heuchera micrantha var. hartwegii W. R. Dudley 1905-6-18 s.n. San Mateo Near Pescadero Creek; Inverson's Old Place; Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC424430  Heuchera pilosissima H. L. Mason 1921-6-2 s.n. San Mateo Hill near Pebble Beach, Pescadero Comment
  CAS-BOT-BC319631  Hieracium albiflorum C. F. Leithold 1894-8-13 s.n. San Mateo Devil's Canyon, Black Mountain, Santa Cruz Mountain Peninsula Comment
  SBBG44978  Hieracium albiflorum C. B. Wolf 1927-7-14 619 San Mateo summit of Kings Mtn Rd Comment
  CAS-BOT-BC55442  Hirschfeldia incana Ned Cahill 1974-10-8 375 San Mateo About 3 miles westward from Redwood City. Near the intersection of Canada and Edgewood Roads. Comment
  CAS-BOT-BC55440  Hirschfeldia incana Phillip Wheeler 1965-6-7 s.n. San Mateo San Bruno Mountains. Bottom Owls Canyon. Comment
  JROH5206  Holcus lanatus John H. Thomas 1967-5-31 12929 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA176728  Holodiscus discolor John H. Thomas 1962-7-15 9916 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  UC1127995  Holodiscus discolor G. E. Sindel 1935-7-23 297 San Mateo 3/4 mi e of Jones Gulch 274 Comment
  CAS-BOT-BC150054  Holodiscus discolor var. discolor Margaret A. Barry 1937-6-24 180 San Mateo On Coal Mine Ridge Comment
  CAS-BOT-BC150067  Holodiscus discolor var. discolor David D. Keck 1932-6-1 1795 San Mateo Above Searsville Lake, on road between Woodside and Skyline Blvd., Santa Cruz Mountains Comment
  JROH3689  Holodiscus discolor var. discolor John H. Thomas 1971-5-30 15982 San Mateo Jasper Ridge Biological Preserve, Stanford University. Woods near dam Comment
  JROH3690  Holodiscus discolor var. discolor John H. Thomas 1974-5-29 17399 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC150063  Holodiscus discolor var. discolor Elizabeth McClintock 1965-3-28 s.n. San Mateo In Trillium Gulch Comment
  RSA6305  Hordeum brachyantherum D. D. Keck 1965-5-6 1465 San Mateo Belmont Comment
  SEINET7297786 Image available Hordeum brachyantherum David D. Keck 1932-1 1463 San Mateo Belmont; Common in fields near the salt marshes of San Francisco Bay. Comment
  CAS-BOT-BC284683  Hordeum brachyantherum subsp. brachyantherum John H. Thomas 1961-5-13 9341 San Mateo At Franklin Point Comment
  CAS-BOT-BC289532  Hordeum brachyantherum subsp. californicum Ned Cahill 1974-5-30 320 San Mateo Near the intersection of Canada and Edgewood Roads about 3 mi westward from Redwood City Comment
  JROH5230  Hordeum brachyantherum subsp. californicum John Hunter Thomas 1981-5-19 20607 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM295720  Hordeum depressum Lyman Benson 1930-5-12 2125 San Mateo Stanford University. 152 Comment
  JROH5245  Hordeum marinum subsp. gussoneanum John Hunter Thomas 1984-4-24 23306 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC289457  Hordeum murinum subsp. leporinum John H. Thomas 1963-5-20 10152 San Mateo Ano Nuevo Island about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  JROH5257  Hordeum murinum subsp. leporinum John H. Thomas 1975-4-18 17783 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5260  Hordeum murinum subsp. leporinum Winkie Lennihan 1989-4-6 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lab Comment
  CAS-BOT-BC271354  Hordeum vulgare Fred Hemphill 1973-4-15 671 San Mateo Area north of Malabar Road and Melendy Drive, San Carlos 207 Comment
  RSA138172  Hordeum vulgare W. R. Dudley 1896-4-4 s.n. San Mateo Near Crystal Springs Comment
  CAS-BOT-BC536142  Horkelia californica Josephine D. Randall 1907-7-23 338 San Mateo Near Crystal Springs Lake, Santa Cruz Peninsula Comment
  CAS-BOT-BC143927  Horkelia cuneata var. sericea A. A. Heller 1906-6-8 8374 San Mateo Near Ocean View, San Francisco, on the Lake Merced side of the Ocean Shore tracks Comment
  LA47914  Hosackia gracilis C. F. Baker; 1902-5-1 689 San Mateo Crystal Springs Lake Comment
  UC936149  Hydrocotyle moschata O. M. Scott and Sons 1950-4-10 San Mateo San Mateo Comment
  RSA18359  Hypericum androsaemum C. B. Wolf 1929-5-25 3729 San Mateo Pebble Beach, S of Pescadero. 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
  UCD160244  Hypericum canariense Christopher Dillis 2015-5-15 7 San Mateo South of Pescadero on Hwy 1 (Cabrillo Hwy), 400 m south of Highway Brewing Company, then east 120 m on unmarked 1-lane dirt road; 10 m southwest of intersection with Old Coast Highway. 200 Comment
  CAS-BOT-BC311392  Hypochaeris glabra John H. Thomas 1958-3-19 7051 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco 91 Comment
  JROH912  Hypochaeris glabra John H. Thomas 1961-4-29 9187 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH927  Hypochaeris radicata John H. Thomas 1973-5-5 16771 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH932  Hypochaeris radicata John Hunter Thomas 1981-7-24 20733 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1069667  Hypochaeris radicata G. E. Sindel 1935-7-30 316 San Mateo 2.5 mi nnw Pescadero; Santa Cruz Quad. Comment
  JROH1535  Iberis umbellata Toni Corelli 2012-10-23 377 San Mateo Jasper Ridge Biological Preserve, Stanford University. Caretaker garden near the residence 109 Comment
  UC1206487  Iris douglasiana Le Roy Abrams 1902-5-11 2441 San Mateo San Mateo Canyon Comment
  UC4275  Iris douglasiana J. Burtt Davy Jun 21 1893-Jun 23 1893 1129 San Mateo Pilarcitos Lake and Pilarcitos Canyon; Pilarcitos Lake, Pilarcitos Canyon Comment
  UC4282  Iris douglasiana J. Burtt Davy 1895-4-20 1021 San Mateo Millbrae Comment
  SEINET10529078  Iris douglasiana R. D. Sage 1992-1-6 Sage 13394 -1 San Mateo Collected along purisima creek rd trail in purisima creek redwoods open space preserve. 9 Km w woodside. 244 Comment
  UCSB18476  Iris douglasiana Muirhead, M. 1964-4-17 San Mateo on Crocker Estate; Hillsborough; California 91 Comment
  UCSB18695  Iris douglasiana Hutchinson, Sandra 1964-3-24 San Mateo Crystal Springs Lake; Sawyer Camp Road; about 0.6 mile from Skyline Blvd; entrance off of Millbrae Ave 106 Comment
  CAS-BOT-BC133649  Iris longipetala Walter Knight; Irja Knight 1965-3-21 956 San Mateo Along ridge near power lines at Brisbane end Comment
  CAS-BOT-BC133665  Iris longipetala Alice Eastwood; John Thomas Howell 1937-5-7 4325 San Mateo Hills south of Visitacion Valley Comment
  CAS-BOT-BC133674  Iris longipetala Walter Knight; Irja Knight 1964-3-16 985 San Mateo Point San Bruno Comment
  HSC13892  Iris longipetala L. S. Rose 1968-3-26 68009 San Mateo S base of San Bruno Mtns., S San Francisco 30 Comment
  SBBG1123  Iris longipetala H. and M. Dearing 1933-5-14 2766 San Mateo Skyline Boulevard, S of San Francisco Comment
  JROH4432  Iris pseudacorus John H. Thomas 1978-5-23 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC112616  Isolepis cernua J. Clausen 1939-7-1 1745 San Mateo Ano Nuevo Point, in depressions in stabilized dunes. Comment
  CAS-BOT-BC112620  Isolepis cernua W. R. Dudley 1896-4-18 s.n. San Mateo Pebble Beach pasture, Pescadero Comment
  CAS-BOT-BC112621  Isolepis cernua W. R. Dudley 1909-10-4 s.n. San Mateo Border of Laguna Alta near Mussel Rock. Comment
  RSA366098  Isolepis cernua L. S. Rose 1948-12-3 48242 San Mateo Ocean Shore Blvd., 6 miles S of San Francisco County line. Comment
  SEINET7589110 Image available Isolepis cernua E. B. Copeland 1903-6-15 3315 San Mateo Montara Point. Comment
  JROH4449  Juncus bufonius var. bufonius John H. Thomas 1974-5-19 17384 C San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4451  Juncus bufonius var. bufonius John Hunter Thomas 1977-6-16 18811 San Mateo Jasper Ridge Biological Preserve, Stanford University. Delta in Searsville Lake. Comment
  JROH5673  Juncus bufonius var. bufonius John Rawlings 2014-6-10 1275 San Mateo Jasper Ridge Biological Preserve, Stanford University; Corte Madera Creek delta near open water. 104 Comment
  JROH4458  Juncus bufonius var. occidentalis John H. Thomas 1956-4-7 5619 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4471  Juncus bufonius var. occidentalis John Hunter Thomas 1991-5-9 25040 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below picnic area along road to dam. Comment
  CAS-BOT-BC176164  Juncus effusus var. pacificus Peter Rubtzoff; Roman Gankin 1975-9-11 8373 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  JROH4481  Juncus occidentalis John Hunter Thomas 1978-4-20 19078 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4488  Juncus occidentalis John Hunter Thomas 1982-5-18 20934 San Mateo Jasper Ridge Biological Preserve, Stanford University. Old racing oval. Comment
  CDA39185  Juncus occidentalis W. Plummer 1974-4-18 s.n. San Mateo Pescadero, Carlene Shade property. 0 Comment
  RSA132400  Juncus patens John H. Thomas 1959-7-8 8023 San Mateo About 1/2 mile S of Pescadero beach along the coast highway. Comment
  UCR280164  Juncus phaeocephalus Peter Rubtzoff, Roman Gankin 1976-6-30 8702 San Mateo Central Coast, San Bruno Mountains. 'Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction; westernmost part of the area on slope across fence 220 Comment
  JROH4509  Juncus xiphioides John H. Thomas 1974-4-25 17195 San Mateo Jasper Ridge Biological Preserve, Stanford University. Top of ridge Comment
  JROH5653  Juncus xiphioides John Rawlings 2014-6-10 1259 San Mateo Jasper Ridge Biological Preserve, Stanford University. Corte Madera Creek delta near open water. 104 Comment
  JROH4045  Kickxia spuria John Hunter Thomas 1980-11-12 20161 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC508359  Kniphofia Elizabeth McClintock; Paul Reeberg 1989-8-19 s.n. San Mateo Edge of P.G.&E. marsh, San Bruno Mountains Comment
  JROH947  Lactuca saligna John Hunter Thomas 1982-9-23 21161 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH948  Lactuca saligna John Hunter Thomas 1983-7-20 22904 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC340638  Lactuca serriola Ned Cahill 1974-8-26 366 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JROH964  Lagophylla ramosissima John Hunter Thomas 1983-6-2 22331 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD99497  Lamium amplexicaule Ira L. Wiggins 1971-4-27 21108 San Mateo Menolo Park, Vacant Lot Sw corner of Woodland Ave and Pope S. Comment
  CAS-BOT-BC337880  Lapsana communis David D. Keck 1939-7-1 5007 San Mateo Santa Cruz Mountains, La Honda, along La Honda Creek Comment
  CAS-BOT-BC339052  Lasthenia californica A. D. E. Elmer 1903-4-1 4738 San Mateo San Bruno Hills Comment
  CAS-BOT-BC339060  Lasthenia californica John H. Thomas 1961-5-7 9251 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC339061  Lasthenia californica V. F. Hesse 1964-5-26 3205 San Mateo Pigeon Point 4 Comment
  CHSC276  Lasthenia californica J. Turner 1930-5-2 San Mateo Moss Beach. Comment
  CAS-BOT-BC339076  Lasthenia californica L. R. Abrams 1918-4-30 7056 San Mateo Bayshore Road, San Bruno Hills Comment
  CAS-BOT-BC339092  Lasthenia californica David D. Keck 1933-5-11 2296 San Mateo Montara Light House and Radio Station Comment
  JEPS9815  Lasthenia californica subsp. californica R. F. Hoover 1939-4-21 4055 San Mateo 2 mi s Colma Comment
  JROH977  Lasthenia californica subsp. californica John Hunter Thomas 1981-4-23 20482 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH978  Lasthenia californica subsp. californica John Hunter Thomas 1981-5-8 20563 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC135324  Lasthenia californica subsp. californica unknown 1903-4-6 1890 San Mateo San Bruno Hills 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
  CAS-BOT-BC324427  Lasthenia californica subsp. macrantha W. R. Dudley 1896-4-10 s.n. San Mateo Pebble Beach Pasture, Pescadero, Santa Cruz Peninsula Comment
  SJSU15805  Lasthenia californica subsp. macrantha Toni Corelli 2015-5-3 1191 San Mateo Montara State Beach west of Hwy. 1 and north of La Costanera restaurant in Montara, California. 11 Comment
  RSA131837  Lasthenia glabrata subsp. glabrata John H. Thomas 1954-4-2 3792 San Mateo 1.5 miles E of center of Redwood City. 0 Comment
  SEINET3147835  Lasthenia glabrata subsp. glabrata E. L. Greene 1886-5-11 sn San Mateo Belmont Comment
  UC311550  Lasthenia gracilis A. D. E. Elmer 1903-4-1 4507 San Mateo San Bruno Hills Comment
  UCSC007017  Lasthenia minor Randall Morgan 1988-6-5 1235 San Mateo Pescadero, Pigeon Point - Parking area N of Lighthouse Comment
  CHSC20641  Lathyrus jepsonii var. californicus Robert A. Schlising; S. Banwar 1963-3-15 2447 San Mateo Along King's Mtn. Road southeast of entrance to Huddart Park. Comment
  UC15323  Lathyrus jepsonii var. californicus Alice Eastwood Apr 1896 San Mateo Crystal Springs Comment
  POM194716  Lathyrus littoralis H. M. Hall 1924-6-17 11957 San Mateo Salada Comment
  SD39834  Lathyrus littoralis Edith A. Purer 1932-7-18 4007 San Mateo Half Moon Bay, sand dunes Comment
  JEPS22663  Lathyrus littoralis Irene Brown 1959-5-15 151 San Mateo w of Highway 1 (about 50 feet from Ocean, Sharp Park); Sharp Park 7 Comment
  POM19350  Lathyrus vestitus subsp. vestitus C. F. Baker 1902-5-10 8256 San Mateo Summit of Coast Range. Comment
  UC15326  Lathyrus vestitus var. vestitus J. Burtt Davy 1895-4-20 1054 San Mateo Lake Pilarcitos Comment
  CAS-BOT-BC323178  Layia chrysanthemoides Elizabeth McClintock; Paul Reeberg 1987-5-31 s.n. San Mateo San Bruno Mountains. Comment
  RSA92255  Layia chrysanthemoides J. T. Howell 1933-5-26 11343 San Mateo Crystal Springs Lake. Comment
  RSA95542  Layia chrysanthemoides L. S. Rose 1953-4-5 53008 San Mateo Redwood City, along Bayshore Highway. 3 Comment
  CAS-BOT-BC321069  Layia gaillardioides Lewis S. Rose 1935-5-4 35149 San Mateo Burlingame Comment
  CAS-BOT-BC321114  Layia gaillardioides David D. Keck 1932-6-1 1798 San Mateo 1.5 mi. NE of La Honda Santa Cruz Mountains 213 Comment
  UC30645  Layia gaillardioides J. Burtt Davy 1895-4-20 1081 San Mateo San Mateo Creek Comment
  UC913051  Layia gaillardioides David D. Keck 1932-6-1 1798 San Mateo 1. 5 mi ne of La Honda; Santa Cruz Mountains 213 Comment
  UC990575  Layia gaillardioides James I. McMurphy 1909-5-25 San Mateo above Pulpit Rock; San Mateo Canyon 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-BC327505  Layia hieracioides J. H. Thomas 1961-5-7 9307 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  POM53350  Layia hieracioides C. F. Baker 1902-5-4 742 San Mateo Woodside. Comment
  UC828938  Layia hieracioides John Thomas Howell 1938-5-1 13769 San Mateo Colma Canyon Comment
  CAS-BOT-BC327359  Layia hieracioides J. Clausen 1941-7-1 1868 San Mateo Base of Montara Mountain, near Montara 91 Comment
  CAS-BOT-BC327455  Layia hieracioides David D. Keck 1933-5-11 2306 San Mateo Skyline Boulevard, east of Salada, northern San Mateo County. Comment
  CAS-BOT-BC327479  Layia hieracioides Walter Knight; Irja Knight 1965-4-25 1085 San Mateo San Bruno Mountain; Devil's Arroyo Comment
  JROH982  Layia hieracioides John H. Thomas 1958-5-10 7158 San Mateo Jasper Ridge Biological Preserve, Stanford University; along trail near Searsville Lake Comment
  CAS-BOT-BC382076  Layia platyglossa Roxana S. Ferris 1921-4-7 21030 San Mateo San Bruno Mt. 213 Comment
  CAS-BOT-BC382081  Layia platyglossa Le Roy Abrams 1902-5-11 2442 San Mateo Crystal Springs Comment
  JEPS90940  Layia platyglossa Dean W. Taylor 1989-4-18 10221 San Mateo ridgetop 0.4 mi n of Scarper Peak (Santa Cruz Mountains); Santa Cruz Mountains 502 Comment
  JROH1002  Layia platyglossa John Hunter Thomas 1981-5-8 20560 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
Read comments
Feb 14 2014
  JROH993  Layia platyglossa John H. Thomas 1966-4-12 11564 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH996  Layia platyglossa John H. Thomas 1973-4-14 16565 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC382092  Layia platyglossa John H. Thomas 1969-4-24 14910 San Mateo Near Canada College, Redwood City, near Farm Hill Drive Comment
  CAS-BOT-BC382218  Layia platyglossa David D. Keck 1932-5-6 1491 San Mateo East side of Crystal Springs Lake 60 Comment
  CAS-BOT-BC382225  Layia platyglossa John Thomas Howell 1974-4-11 17130 San Mateo Serpentine area to the SE of Canada Road and Edgewood Road; NW of Woodside 152 Comment
  RSA128806  Layia platyglossa subsp. platyglossa Peter H. Raven 1950-4-16 1780 San Mateo Colma Canyon, San Bruno Mountains. 183 Comment
  CAS-BOT-BC534546  Lemna gibba A. D. E. Elmer 1903-7-1 4765 San Mateo San Pedro Comment
  JROH5675  Lemna minuta John Rawlings 2014-7-29 1277 San Mateo Jasper Ridge Biological Preserve, Stanford University. San Francisquito Cr. streambed, up-stream from old Boething Nursery crossing. 65 Comment
  CAS-BOT-BC527273  Lemna minuta Roxana S. Ferris 1921-3-20 2114 a San Mateo Alpine Creek Road near juncture with Pescadero Road Comment
  JROH2791  Lepechinia calycina D. E. Breedlove 1971-5-31 19348 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH2796  Lepechinia calycina John Hunter Thomas 1982-7-3 21068 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA176593  Lepidium didymum John H. Thomas 1961-8-27 9686 San Mateo Colma; open sandy field near intersection of El Camino Real and F Street 46 Comment
  UCD115359  Lepidium didymum J. D. Skoss 1948-7-25 53 San Mateo San Vicente Canyon near Montara. Comment
  CAS-BOT-BC89219  Lepidium draba J. H. Thomas 1956-4-27 4920 San Mateo Along Bayshore Highway, east of San Carlos. Comment
  JROH1540  Lepidium nitidum John H. Thomas 1955-5-6 4988 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC12954  Lepidium strictum David D. Keck 1933-5-11 2301 San Mateo Montara Summit, Montara Mountain. Comment
  JROH1563  Lepidium strictum John Hunter Thomas 1988-4-27 24412 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC12953  Lepidium strictum John Thomas Howell 1955-5-5 s.n. San Mateo 700 block of Bromfield Road, Burlingame. Comment
  CAS-BOT-BC226608  Leptosiphon ambiguus Arthur Spiegler 1952-4-26 27 San Mateo 4 miles from Woodside on Canada Road to Skyline Boulevard Comment
  RSA128501  Leptosiphon ambiguus James I. McMurphy 1906-5-8 s.n. San Mateo Head of Crystal Springs Lake Comment
  SJSU15581  Leptosiphon ambiguus John Rawlings 2015-4-5 1452 San Mateo Along Edgewood Rd., San Mateo Co., California 146 Comment
  JROH3174  Leptosiphon androsaceus L. Fletcher 1986-4-17 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM65146  Leptosiphon androsaceus L. R. Abrams 1901-05 1553 San Mateo Searsville Comment
  UC2049870  Leptosiphon androsaceus H. W. Johansen 1958-8-13 116 San Mateo Crystal Springs Road, 2 miles W of San Mateo Comment
  OBI43249  Leptosiphon androsaceus Delzie Demaree 1932-4-27 9020 San Mateo Dry fields above Spring Valley Lakes Comment
  UC106861 Image available Leptosiphon croceus Alice Eastwood 1901-5-10 San Mateo Blenheim Comment
  CAS-BOT-BC226726  Leptosiphon latisectus W. R. Dudley 1901-5-11 s.n. San Mateo Santa Cruz Peninsula. Land due west of Lake Merced Comment
  JROH5708  Leptosiphon parviflorus John Rawlings 2015-3-15 1351 San Mateo Jasper Ridge Biological Preserve, Stanford University; Rd. D. 110 Comment
  UC106678  Leptosiphon rosaceus Katharine Brandegee 1905-6-19 San Mateo Moss Beach Halfmoon Bay Comment
  RSA0012848  Leptospermum laevigatum John H. Thomas 1961-5-14 9375 San Mateo Serpentine road bank and outcropping just north of dam on San Mateo Creek. 122 Comment
  CAS-BOT-BC324053  Lessingia arachnoidea W. R. Dudley 1902-9-21 s.n. San Mateo By road east of Crystal Springs Reservoir, near fork to Alnus House, Santa Cruz Mountains Comment
  CAS-BOT-BC324059  Lessingia arachnoidea Lewis S. Rose 1954-8-29 54111 San Mateo East side of Crystal Springs Lake Comment
  CAS-BOT-BC324064  Lessingia arachnoidea David D. Keck 1931-10-5 1280 San Mateo Crystal Springs Lake, east side. Comment
  JEPS88045  Lessingia arachnoidea S. Markos 1996-7-28 126 San Mateo 200 yds S of Junction with Golf Course Rd. and Skyline Blvd.; Crystal Springs Reservoir Comment
  SBBG39542  Lessingia arachnoidea L. S. Rose 1970-7-26 70077 San Mateo Skyline Blvd., Hillsborough, Black Mtn 121 Comment
  SD62328  Lessingia arachnoidea Willard Spence 1960-7-2 555 San Mateo Route 5, Crystal Springs Lake Comment
  UC1280011  Lessingia arachnoidea Peter H. Raven 1957-9-1 11301 San Mateo along Skyline Boulevard at Woodside Road Comment
  UC1287457  Lessingia arachnoidea Willard Spence 1960-7-2 555 San Mateo Route 5 Crystal Springs Lake Comment
  CAS-BOT-BC324068  Lessingia arachnoidea L. R. Abrams 1902-9-21 2996 San Mateo Crystal Lake Comment
  SEINET879065 Image available Lessingia bakeri C. F. Baker 1902-1 1834 San Mateo Searsville. Comment
  JROH1018  Lessingia glandulifera var. glandulifera John Hunter Thomas 1981-5-19 20608 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1023  Lessingia glandulifera var. glandulifera John Hunter Thomas 1983-7-7 22823 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC324176  Lessingia hololeuca W. R. Dudley 1897-11-15 s.n. San Mateo Los Troncos Road above Saloon Comment
  CAS-BOT-BC324180  Lessingia hololeuca Ned Cahill 1974-8-26 372 San Mateo near the intersection of Canada and Edgewood roads, about 3 miles westward from Redwood City. Comment
  CAS-BOT-BC324181  Lessingia hololeuca W. R. Dudley 1902-9-21 s.n. San Mateo Whipple Road, near Crystal Springs Lakes Comment
  CHSC98696  Lessingia hololeuca Samantha Mackey Hillaire 2007-7-17 1244 San Mateo Northwest corner of Edgewood Park, approximately 1.5 mile southeast of the southern end of Upper Crystal Springs reservoir. Southeast corner of the intersection of Edgewood Road and Canada Road. Between park fence and Edgewood Road, on sides of well-used park path through rocks. UTM 10 562177E, 414659N. 146 Comment
  UCD134052  Lessingia hololeuca Lewis S. Rose 1964-9-5 64072 San Mateo Emerald Lake, west of Redwood City. 152 Comment
  JROH5970  Lessingia pectinata var. tenuipes John Rawlings 2017-6-5 2099 San Mateo Jasper Ridge Biological Preserve, Stanford University. Growing on verge of Road F through chaparral, 50 yards south of its intersection with Road E 152 Comment
  JROH1037  Leucanthemum maximum Toni Corelli 2009-7-22 353 San Mateo Jasper Ridge Biological Preserve, Stanford University. San Francisquito Creek bed below Dennis Martin marker 71 Comment
  UCD163782  Leucanthemum vulgare Peter Rubtzoff 1988-5-12 9922 San Mateo San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road Junction, near old Guadalupe Road between Bog Trail and Saddle Trail junctions. Comment
  UCSB7872  Leucanthemum vulgare Myrick, Donald 1966-6-11 San Mateo Along Highway #1 near Pescadero Comment
  CAS-BOT-BC272325  Leymus mollis John H. Thomas 1963-5-20 10148 San Mateo Ano Nuevo Island about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  JROH2985  Ligustrum lucidum John Rawlings, Carol Zabel 2007-2-7 0908 San Mateo Jasper Ridge Biological Preserve, Stanford University. North side of caretaker residence 107 Comment
  RSA10411  Lilaea scilloides Carl B. Wolf 1927-6-15 2163 San Mateo Along Skyline Drive, 8 mi. S of San Francisco. Comment
  CAS-BOT-BC130793  Lilium pardalinum W. R. Dudley 1895-9-15 s.n. San Mateo Near Lumber Camp on El Corte de Madera Creek Comment
  JEPS19572  Limnanthes douglasii Adele Lewis Grant 1917-5-6 943 San Mateo hills near Pescadero 121 Comment
  RSA644976  Limnanthes macounii Rudolf Schmid 2000-2-24 2000 -2 San Mateo Aong E side of Hwy 1 S of Moss Beach and directly opposite Half Moon Bay airport. 10 Comment
  UCD169374  Limnanthes macounii T. W. Henrich 2004-4-21 s.n. San Mateo Moss Beach. Adjacent to Hwy 1 and immediately east of Half Moon Bay Airport, on Cabrillo Ranch property. Comment
  CDA36723  Limonium binervosum Michael Perlmutter 2011-6-15 San Mateo South San Francisco; Oyster Point Marina. 0 Comment
  CAS-BOT-BC238365  Limosella aquatica Ira L. Wiggins; Roxana S. Ferris 1939-8-2 9294 San Mateo Ano Nuevo Point Comment
  JEPS113040  Linanthus ambiguus Dean W. Taylor 1994-5-10 14264 San Mateo Edgewood Park; ca. 300 meters SE of junction of Edgewood Road and Canada Road, ca. 200 m W of trail parallel to and on west side of Highway 280 137 Comment
  UC205782  Linanthus ambiguus C. F. Baker 1902-5-4 751 San Mateo Woodside Comment
  UC106676  Linanthus androsaceus Katharine Brandegee 1905-6-20 San Mateo near Lake Pilarcitos Comment
  JEPS48590  Linanthus androsaceus James G. Daly 1934-1 332 San Mateo Upper Alpine Canyon, sw San Mateo County Santa Cruz Mts., San Gregorio Watershed 30 Comment
Read comments
Mar 12 2009
  UC1745718  Linanthus dichotomus Annetta Carter, Helen Sharsmith 1937-5-23 1318 San Mateo E side of Middle Crystal Springs Lake, about 1/2 mi. N of dam. Comment
  JEPS82910  Linanthus liniflorus Roy E. Buck and Randall A. Morgan 1983-6-7 338 San Mateo in triangle of Edgewood and Canada Rds and Hwy. I-280 (s of a small watercourse); San Francisco Watershed Reserve 137 Comment
  SEINET7076098  Linanthus parviflorus 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
  JROH5967  Linaria bipartita John Hunter Thomas 1982-5-25 20964 San Mateo Jasper Ridge Biological Preserve; roadside [Sand Hill Rd.] Comment
  UC142600  Lithocarpus densiflorus C. F. Baker 1902-10-1 1759 San Mateo Summit of Coast Range Comment
  CAS-BOT-BC36073  Lithocarpus densiflorus var. densiflorus George Oberlander 1949-8-20 334 San Mateo Southern boundary, Cahill Ridge Comment
  CAS-BOT-BC36074  Lithocarpus densiflorus var. densiflorus Margaret A. Barry 1938-5-29 266 San Mateo Corte Madera Creek near Coal Mine Ridge Comment
  RSA212176  Lithocarpus densiflorus var. densiflorus L. S. Rose 1969-8-22 69098 San Mateo Skyline Blvd. & La Honda Road. 610 Comment
  CAS-BOT-BC430771  Lithophragma affine A. A. Heller 1907-4-25 8464 San Mateo San Bruno Hills Comment
  CAS-BOT-BC436225  Lithophragma heterophyllum D. E. Breedlove 1974-5-13 36209 San Mateo San Pedro Valley Park, Pacifica 152 Comment
  JROH3897  Lithophragma heterophyllum John Hunter Thomas 1985-4-22 23546 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM142569  Lithophragma heterophyllum C. F. Baker 1902-4-6 651 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC436218  Lithophragma heterophyllum Le Roy Abrams 1901-3-1 1154 San Mateo Portola Comment
  JROH3900  Lithophragma heterophyllum Brenda Butner and Toni Corelli 1990-3-30 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 3 Comment
  RSA101014  Lithophragma heterophyllum G. Oberlander 1950-4-23 851 San Mateo Pilarcitos Canyon, San Francisco Watershed Reserve Comment
  CAS-BOT-BC60212  Lobularia maritima Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mountain. Reservoir Hill. Comment
  JROH734  Logfia gallica John H. Thomas 1971-5-30 15961 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH746  Logfia gallica John Hunter Thomas 1989-5-9 24705 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC173829  Lolium multiflorum Peter Rubtzoff 1976-6-13 8629 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. In area of uppermost part of East Fork Colma Creek, at the northwest corner of Fog Forest. Comment
  CAS-BOT-BC283228  Lolium multiflorum J. W. Tilden 1946-5-29 s.n. San Mateo 3 miles W of Redwood City on Jefferson Ave Comment
  CAS-BOT-BC283230  Lolium multiflorum Cherie Wetzel 1969-6-20 882 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd Comment
  UC1132203  Lolium multiflorum H. S. Yates 1935-5-8 5224 San Mateo 1 mi n Bolsa Pt.; Santa Cruz Quad. Comment
  JROH5294  Lolium perenne W. Lennihan 1990-5-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 15 - path turnoff by black oak, bottom of swale. Comment
  CAS-BOT-BC269124  Lolium perenne W. R. Dudley No date on label s.n. San Mateo Santa Cruz Mountain Peninsula. Top of higher hills from Jersey Farm to Sneath's Ranch Comment
  SEINET196566  Lomatium dasycarpum Pete Rowen 1950-4-16 89 San Mateo Colma Canyon San Brumo Mts. Comment
  JROH260  Lomatium dasycarpum subsp. dasycarpum John H. Thomas 1967-6-1 12969 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM132686  Lomatium dasycarpum subsp. dasycarpum A. D. E. Elmer 1903-04 s.n. San Mateo Crystal Springs Lake. 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
  JROH281  Lomatium macrocarpum John H. Thomas 1975-5-26 17915 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SBBG39523  Lomatium macrocarpum L. S. Rose 1970-4-23 70031 San Mateo Black Mtn, Skyline Blvd, W of San Mateo 121 Comment
  CAS-BOT-BC240602  Lonicera hispidula W. R. Dudley 1894-3-24 s.n. San Mateo Santa Cruz Mountain Peninsula. Upper Pescadero Creek Comment
  RSA120036  Lonicera hispidula var. vacillans H. L. Mason 1921-7-4 s.n. San Mateo La Honda - Pescadero Creek Rd. Comment
  RSA1949  Lonicera hispidula var. vacillans C. B. Wolf 1930-11-5 1061 San Mateo 2 miles W of La Honda, Santa Cruz. 305 Comment
  UC311525  Lonicera hispidula var. vacillans A. D. E. Elmer July, 1903 4596 San Mateo Lake San Andreas Comment
  RSA164830  Lonicera hispidula var. vacillans Wesley O. Griesel 1963-6-20 811 San Mateo Road between Palo Alto to State Hwy 5. 457 Comment
  CAS-BOT-BC243964  Lonicera involucrata var. ledebourii Roxana S. Ferris 1920-3-8 1762 San Mateo Crystal Springs - Half Moon Bay Road 426 Comment
  CAS-BOT-BC243975  Lonicera involucrata var. ledebourii W. R. Dudley 1894-3-28 s.n. San Mateo Canyon near coast above Lobitos Creek, Santa Cruz Mountain Peninsula Comment
  POM46728  Lonicera involucrata var. ledebourii A. D. E. Elmer 1903-06 4272 San Mateo Lake San Andreas. Comment
  POM46739  Lonicera involucrata var. ledebourii C. F. Baker 1903-4-8 1918 San Mateo San Andreas Lake Comment
  CAS-BOT-BC198596  Lotus R. F. Hoover 1964-9-10 9290 San Mateo Devil's Slide, between Pedro Point and Montara Comment
  RSA100998  Lotus formosissimus G. Oberlander 1949-7-24 268 San Mateo Pilarcitos Canyon, San Francisco Watershed Reserve. Comment
  UC729630  Lotus formosissimus Carl B. Wolf 1929-5-10 3703 San Mateo s of Pescadero; Pigeon Pt. 30 Comment
  UC80969  Lotus formosissimus C. F. Baker 1902-5-1 689 San Mateo Crystal Springs Lake Comment
  UC203061  Lotus humistratus A. D. E. Elmer 1903-5-1 4722 San Mateo Belmont Comment
  UC15648  Lotus micranthus J. Burtt Davy Jun 21 1893-Jun 23 1893 1156 San Mateo Pilarcitos Lake and Canyon Comment
  POM276693  Lotus unifoliolatus Lyman Benson 1930-5-26 2142 San Mateo Stanford University. Lake Searsville. 152 Comment
  RSA159410  Lotus wrangelianus John H. Thomas 1961-5-14 9384 San Mateo Just north of dam on San Mateo Creek. 122 Comment
  IRVC28817  Lupinus P. W. Rundel 1962-7-27 1110 San Mateo Lake Tahoe, Emerald Bay. Sierra Nevada Ranges Comment
  RSA6288  Lupinus affinis D. D. Keck 1932-5-11 1769 San Mateo Two miles north of San Gregorio. 15 Comment
  SEINET10488364  Lupinus affinis David B. Dunn, Howard Brown 1946-5-15 Dunn 2542 San Mateo 3.7 miles ne of la honda on the se side of the hwy. Open lush meadow in the Hilltops of the san francisco penninsula on hwy from woodside to la honda; Bumble bees visiting this species only and not 2543 and 2544 Comment
  UC201970  Lupinus albifrons A. D. E. Elmer May, 1903 4643 San Mateo Belmont Comment
  CAS-BOT-BC195797  Lupinus albifrons var. albifrons Charles Piper Smith 1948-6-21 48466 San Mateo Highway 5 - C.S. Dam-Bridge, 0.5 miles south Comment
  CAS-BOT-BC195819  Lupinus albifrons var. albifrons A. D. E. Elmer 1903-5-1 4643 San Mateo Belmont Comment
  CAS-BOT-BC195784  Lupinus albifrons var. albifrons Charles Piper Smith 1946-3-26 46116 San Mateo Highway 5, San Francisco County Jail Road north 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
  UC201916  Lupinus albifrons var. collinus A. D. E. Elmer May, 1903 464 j San Mateo San Bruno Hills Comment
  SEINET10970193  Lupinus albifrons var. collinus J. C. Downey 1955-4-2 Downey 212 San Mateo Near the twin peaks 213 Comment
  CAS-BOT-BC196433  Lupinus arboreus John Thomas Howell 1933-4-9 10973 San Mateo 2 miles n. of Pigeon Pt. Comment
  UC127060  Lupinus arboreus J. Burtt Davy 1895-4-20 1050 San Mateo Lake Pilarcitos; ; Lake Pilarcitos, San Mateo Co. Comment
  SEINET10488459  Lupinus arboreus William R. Dudley 1899-5-14 Dudley UMO 67685 San Mateo Santa cruz peninsula. Near baden. Pale lavender, turning yellow Comment
  SEINET12154361  Lupinus arboreus E. A. Purer 1933-1 5371 San Mateo 2miS of Pigeon Point Comment
  UC75246  Lupinus bicolor C. F. Baker 1903-4-8 1931 San Mateo Crystal Springs Lake Comment
  HSC43288  Lupinus bicolor Dunn 1946-5-16 2596 San Mateo 1 block N of Sloat Blvd. at Vale Ave. Comment
  SEINET10484981  Lupinus bicolor var. umbellatus Roderick 1965-3-21 RODERICK s.n. San Mateo Summit at power line ridge. Usually up to about a dozen plants in a colony. Comment
  RSA0036527  Lupinus formosus Daisie Huang 2006-8-6 06080603 San Mateo Inside San Francisco Water Authority land. 288 Comment
  SEINET10490757  Lupinus formosus var. formosus Charles Piper Smith 1922-6-10 Smith 3546 San Mateo South san francisco-mountain road. Comment
  POM11079  Lupinus latifolius subsp. latifolius A. D. E. Elmer 1903-06 4593 San Mateo Woodside. Comment
  POM87760  Lupinus latifolius subsp. latifolius L. R. Abrams 1902-5-11 2449 San Mateo San Mateo Canyon. Comment
  RSA134073  Lupinus latifolius subsp. latifolius W. R. Dudley 1894-7-9 s.n. San Mateo Summit of Bear Gulch Road. Comment
  RSA15310  Lupinus latifolius subsp. latifolius Carl B. Wolf 1927-4-3 280 San Mateo 1 1/2 miles above east base of La Honda grade, Santa Cruz Mountains. Comment
  JEPS23917  Lupinus latifolius var. latifolius W. R. Dudley 1895-6-7 4232 San Mateo top of ridge between Pescadero and Butano Creek; between Pescadero and Butano Creek Comment
Read comments
Feb 28 2011
  UC311176  Lupinus latifolius var. latifolius A. D. E. Elmer June, 1903 4593 San Mateo Woodside 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
  JROH2130  Lupinus nanus John H. Thomas 1976-4-2 18073 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH2143  Lupinus nanus Ann Lambrecht 2008-3-30 41 San Mateo Jasper Ridge Biological Preserve, Stanford University; on Mine Trail Hill Comment
  UC201937  Lupinus nanus W. A. Setchell 1912-5-26 San Mateo Montara Comment
  JROH5865  Lupinus nanus John H. Thomas 1975-4-5 17716 B San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD164200  Lupinus nanus Peter Rubtzoff 1978-7-8 9225 San Mateo San Bruno Mountains. 'Saddle' area on N side of Guadalupe Canyon Parkway west of Radio Road junction. East Fork Colma Creek Canyon, W side of canyon. Comment
  SEINET10486158  Lupinus polycarpus Donald E. Bright 1962-4-16 Bright 223 San Mateo Disturbed roadside, along hwy. 17, 15 Mi ne of santa cruz. 549 Comment
  SEINET11072303 Image available Lupinus polycarpus Lewis S. Rose 1942-3-30 42006 San Mateo Mills Fields 2 Comment
  JROH2145  Lupinus succulentus John H. Thomas 1974-4-12 17143 San Mateo Jasper Ridge Biological Preserve, Stanford University; at Escobar gate Comment
  SEINET10936614  Lupinus succulentus var. succulentus Smith 1948-4-20 Smith 48109 San Mateo Hwy 1, san pedro point. North grade. Comment by d.b. Dunn: this is smith's Variety laynae, which i believe is depauperate due to the marine exposure. Comment
  CHSC59538  Lupinus variicolor Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  UC311903  Lupinus variicolor A. D. E. Elmer April, 1903 4915 San Mateo Lake San Andreas Comment
  UC82052  Lupinus variicolor Dr. E. B. Copeland 1903-6-3 3301 San Mateo Montara Point Comment
  SEINET10489102  Lupinus variicolor Smith 1948-4-20 Smith 48110 San Mateo Hwy 1. San pedro point, n grade. Comment
  SEINET5559201  Lupinus variicolor H. S. Gentry 1931-1 86 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  SEINET13198377 Image available Lupinus versicolor A. G. Vestal 1937-6-15 s.n. San Mateo Comment
  CAS-BOT-BC441263  Luzula macrantha W. R. Dudley 1900-3-16 s.n. San Mateo Santa Cruz Peninsula: Trail north of Tripp's Store, Woodside Comment
  CAS-BOT-BC441269  Luzula macrantha Elmer I. Applegate 1895-3-9 753 San Mateo Near Woodside 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
  CAS-BOT-BC441362  Luzula subsessilis Philip Wheeler 1965-5-8 s.n. San Mateo San Bruno Mountain: Sierra Point Comment
  UCSB7479  Lysichiton americanus Horton, Sam 1969-3-28 San Mateo Canyon Road, 1.4 miles east of Cloverdale Road, Butano 152 Comment
  JROH3369  Lysimachia arvensis John Hunter Thomas 1986-4-20 19086 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1190031  Lythrum hyssopifolia J. H. Thomas 1954-5-28 4242 San Mateo just n of South San Francisco (San Bruno Mountain); San Bruno Mountain 30 Comment
  JROH2953  Lythrum hyssopifolia John Hunter Thomas 1983-5-23 22248 San Mateo Jasper Ridge Biological Preserve, Stanford University; near dry road and low-flow crossing on shack side Comment
  SEINET10452840  Lythrum hyssopifolia Mary Susan Taylor 1978-8-30 Taylor 1874 San Mateo Comment
  JROH2955  Lythrum tribracteatum John Hunter Thomas 1981-7-12 20708 San Mateo Jasper Ridge Biological Preserve, Stanford University; on old beach Comment
  CAS-BOT-BC342590  Madia Cherie Wetzel 1969-7-8 926 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  CAS-BOT-BC343910  Madia elegans Ned Cahill 1974-10-8 379 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  POM177455  Madia elegans subsp. densifolia L. R. Abrams, I. L. Wiggins 1930-11-13 173 -A San Mateo Hillside above Crystal Springs Lake Comment
  JEPS27363  Madia exigua Rimo Bacigalupi with J. Roof and L. Heckard 1961-4-24 7623 San Mateo about copse edges on lateral ridge below and se of paved ridge-top road just e KRON television tower and station (on Guadalupe Valley side of mountain); San Bruno Mountain 304 Comment
  CAS-BOT-BC343338  Madia gracilis David D. Keck 1932-6-1 1787 San Mateo Above Woodside on the La Honda road, east slope of the Santa Cruz Mtns. 305 Comment
  JROH1070  Madia gracilis John H. Thomas 1968-5-3 14446 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC343334  Madia gracilis David D. Keck 1932-5-6 1485 San Mateo Hills just west of Millbrae Highlands 120 Comment
  POM87787  Madia madioides L. R. Abrams 1902-5-20 2474 San Mateo Kings Mountain Comment
  RSA120834  Madia madioides S. S. Tillett, I. Sternback 1956-6-24 529 San Mateo Middleton property, behind (N.) Portola Camp Store, just outside Portola State Park. 396 Comment
  RSA152256  Madia madioides I. L. Wiggins 1925-04 1663 San Mateo On Kings Mtn Road three fourths of a mile above Woodside. Comment
  CAS-BOT-BC345112  Madia sativa Philip C. Wheeler 1965-5-11 s.n. San Mateo San Bruno Mountain. Pig Ranch Ravine Comment
  JROH1099  Madia sativa John H. Thomas 1967-11-5 14132 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1103  Madia sativa John Hunter Thomas 1977-6-16 18763 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD40001  Madia sativa Edith A. Purer 1933-7-27 5347 San Mateo 2.0 miles south of Pigeon Point. Comment
  UC523546  Madia sativa David D. Keck 1933-11-2 2628 San Mateo 3.5 mi sw Pescadero (within 100 m of ocean) Comment
  UCR256297  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 213 Comment
  CAS-BOT-BC512107  Maianthemum racemosum subsp. amplexicaule Fred Hemphill 1973-3-17 638 San Mateo San Carlos. Chaparral area north of Malabar Road and Melendy Drive 207 Comment
  CAS-BOT-BC512109  Maianthemum racemosum subsp. amplexicaule Fred Hemphill 1973-4-22 701 San Mateo San Carlos. Chaparral area north of Malabar Road and Melendy Drive 207 Comment
  CAS-BOT-BC512103  Maianthemum racemosum subsp. amplexicaule Elizabeth McClintock 1965-3-28 s.n. San Mateo Trillium Gulch with Trillium chloropetalum; San Bruno Mountain Comment
  CAS-BOT-BC514155  Maianthemum stellatum R. Bacegalupi 1922-3-1 s.n. San Mateo Pescadero Creek Comment
  CAS-BOT-BC203909  Malacothamnus aboriginum A. A. Heller 1901-7-13 s.n. San Mateo Spring Valley Lake Comment
  UCD116405  Malva arborea Ellen Dean; Tom Starbuck, Margaret Starbuck 2005-10-16 2745 San Mateo Town of Miramar, N of Half Moon Bay. Along Mirada Rd. on coastal bluff overlooking beach. Comment
  CAS-BOT-BC206683  Malva assurgentiflora John H. Thomas 1967-5-2 12734 San Mateo Colma, near Hillside Blvd. at Cypress Lawn Cemetery Comment
  SEINET7248024  Malva assurgentiflora Robert C. Bechtel 1952-1 84 San Mateo Colma Comment
  CHSC28453  Marah fabacea Robert A. Schlising 1963-3-15 2449 San Mateo Along Skyline Blvd., near junction with Half Moon Bay Road. Comment
  CDA5694  Marrubium vulgare C. M. Sill 1961-7-1 San Mateo Laurel School, Menlo Park. 0 Comment
  UC50156  Meconella californica J. Burtt Davy 1895-4-20 1039 San Mateo San Mateo Creek Comment
  UC674717  Meconella californica Gregory Lyon 1934-3-17 41 San Mateo .75 mi e Skyline Blvd (Buri-Buri Ridge); Caroland's Tract 121 Comment
  JROH2177  Medicago arabica John H. Thomas 1976-10-16 18421 San Mateo Jasper Ridge Biological Preserve, Stanford University; along or near San Francisquito Creek from the low flow crossing to the vicinity of the old fireplace ruins downstream Comment
  JROH5757  Medicago arabica M. Ray 1982-4-25 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Whiskey Hill Gate Comment
  RSA788950  Medicago polymorpha Peter Rubtzoff 1977-4-16 8952 San Mateo San Bruno Mountains. Saddle area on N side of Guadalupe Canyon Parkway west of Radio Road junction, along W side of East Fork Colma Creek Canyon. Comment
  CAS-BOT-BC157958  Medicago polymorpha var. polymorpha Peter Rubtzoff 1977-4-16 8952 San Mateo San Bruno Mountains. Saddle area on N side of Guadalupe Canyon Parkway west of Radio Road junction, along W side of East Fork Colma Creek Canyon Comment
  CAS-BOT-BC269446  Melica californica Phillip C. Wheeler 1965-5-18 s.n. San Mateo San Bruno Mountain. Base of the mountain near Olivet Cemetery Comment
  POM204770  Melica californica C. F. Baker 1903-4-6 1892 San Mateo San Bruno Hills. 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-BC264189  Melica subulata W. R. Dudley 1900-5-19 s.n. San Mateo Summit La Honda Stage road, Santa Cruz Mountain Peninsula Comment
  JROH2187  Melilotus indicus John H. Thomas 1973-6-15 16838 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2194  Melilotus indicus John Hunter Thomas 1982-11-6 21190 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM284510  Melissa officinalis Lyman Benson 1937-8-15 8489 San Mateo Upper San Francisquito Creek, Santa Cruz Mountains. 244 Comment
  JROH2830  Mentha X piperita Carol Zabel 2006-8-23 65 San Mateo Jasper Ridge Biological Preserve, Stanford University; Dennis Martin site Comment
  JROH2812  Mentha pulegium John Hunter Thomas 1979-9-9 19725 San Mateo Jasper Ridge Biological Preserve, Stanford University; edge of Searsville Lake Comment
  RSA132455  Mentha pulegium John H. Thomas 1959-8-22 8079 San Mateo Jasper Ridge, about 5 miles SW of Palo Alto 152 Comment
  JROH2806  Mentha pulegium John H. Thomas 1959-8-22 8079 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2808  Mentha pulegium John H. Thomas 1974-10-26 17627 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA4875  Mercurialis annua T. C. Fuller 1958-10-16 1444 -58 San Mateo Just east of Sanchez Adobe House, south side of Linda Mar Boulevard, Pedro Valley. 0 Comment
  RSA190717  Mercurialis annua T. C. Fuller 1967-8-23 16293 San Mateo Coastways Ranch, 0.2 mi. e. of the Coast Hwy (Hwy 1), 0.2 mi. n. of the county line of Santa Cruz Co. in San Mateo Co. Comment
  SBBG119130  Mercurialis annua M. C. Carroll 2006-2-28 San Mateo near jct of St Hwy 84 and Portola Ave, Woodside 198 Comment
  CAS-BOT-BC438138  Mesembryanthemum nodiflorum T. Winfield 1973-10-10 1222 San Mateo San Francisco Bay: Redwood City Comment
  CAS-BOT-BC428902  Micranthes californica George Oberlander 1949-4-9 50 San Mateo San Francisco Watershed Reserve. Northern Sweeney Ridge Comment
  SEINET12273456  Micromeria chamissonis Unknown 22 May 1?32 6169 San Mateo Los Francos Woods Comment
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Nov 1 2021
  CAS-BOT-BC348576  Micropus californicus var. californicus Philip C. Wheeler 1965-5-11 s.n. San Mateo San Bruno Mountain. Southwest Canyon below NBC Tower Comment
  JROH1122  Micropus californicus var. californicus John H. Thomas 1963-5-12 10085 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA130390  Micropus californicus var. subvestitus W. R. Dudley 1906-5-13 s.n. San Mateo Open hills southwest of San Mateo Comment
  CAS-BOT-BC348720  Microseris bigelovii John H. Thomas 1966-4-30 11591 San Mateo Bluffs at San Gregorio Beach 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
  UCD69081  Microseris douglasii P. Rodriguez-Rojo 1997-5-31 San Mateo Edgewood County Park. Serpentine annual grasslands. UTM: 10EM6347 200 Comment
  CAS-BOT-BC349027  Microseris douglasii subsp. douglasii Ned Cahill 1974-4-19 151 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC349029  Microseris douglasii subsp. douglasii Ned Cahill 1974-4-19 150 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JEPS49070  Microseris douglasii subsp. douglasii Lewis S. Rose 1966-5-2 66037 B San Mateo w Redwood City; Emerald Lake 91 Comment
  JROH1141  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-BC349032  Microseris douglasii subsp. douglasii John H. Thomas 1969-4-24 14903 San Mateo Near Canada College, Redwood City, near Farm Hill Drive Comment
  CAS-BOT-BC349149  Microseris douglasii subsp. tenella Lewis S. Rose 1933-4-30 33129 San Mateo Redwood City Comment
  JROH5590  Microseris douglasii subsp. tenella John Rawlings 2013-4-23 1185 San Mateo Jasper Ridge Biological Preserve, Stanford University. Road F 50 meters east of Trail 15. 170 Comment
  CAS-BOT-BC349139  Microseris douglasii subsp. tenella K. L. Chambers 1953-5-12 462 San Mateo 3.2 mi. n. of Woodside on road to Crystal Springs Lake Comment
  CAS-BOT-BC349147  Microseris douglasii subsp. tenella L. R. Abrams 1918-4-30 7212 San Mateo San Bruno Hills, Bay Shore [Bayshore] road Comment
  HSC20677  Mimulus aurantiacus var. aurantiacus P. A. Murphy 1965-4-16 27 San Mateo Ca. 22 mi. from Half Moon Bay on the Higgins Canyon Rd. Comment
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Jul 29 2015
  JROH4077  Mimulus aurantiacus var. aurantiacus John Hunter Thomas 1980-6-5 19998 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA10375  Mimulus aurantiacus var. aurantiacus H. A. Barker 1926-5-1 607 San Mateo Kings Mt. Comment
  RSA120822  Mimulus aurantiacus var. aurantiacus S. S. Tillett, I. Sternback 1956-6-25 539 San Mateo Along road into Portola State Park 396 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
  UC306596  Mimulus cardinalis A. D. E. Elmer July, 1903 4941 San Mateo Lake San Andreas Comment
  UC1206490  Mimulus grandis Le Roy Abrams 1902-5-4 2422 San Mateo Woodside Comment
  CAS-BOT-BC388827  Minuartia douglasii A. D. E. Elmer 1903-4-1 5042 San Mateo San Bruno Hills Comment
  UC204185  Minuartia douglasii A. D. E. Elmer April, 1903 5042 San Mateo San Bruno Hills Comment
  CAS-BOT-BC388829  Minuartia douglasii W. R. Dudley 1896-4-4 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Crystal Springs Lake Comment
  CAS-BOT-BC388832  Minuartia douglasii Ned Cahill 1974-5-9 169 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  SEINET11943608  Minuartia douglasii L. S. Rose 1937-1 37249 San Mateo Burlingame hills 91 Comment
  CAS-BOT-BC214069  Monardella villosa C. F. Baker 1903-6-30 3353 San Mateo Crystal Springs Comment
  CAS-BOT-BC214087  Monardella villosa Eric Walther 1919-6-9 s.n. San Mateo Woodside Comment
  CAS-BOT-BC214063  Monardella villosa Lewis S. Rose 1965-6-15 65080 San Mateo South of parking lot near summit, San Bruno Mountain 365 Comment
  CAS-BOT-BC214089  Monardella villosa H. M. Hall 1924-1-1 11958 San Mateo S.W. side Montara Mt. Comment
  SEINET10582383  Monardella villosa subsp. franciscana A. Graff 1993-6-14 Graff 4 San Mateo 0.4 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
  JROH2845  Monardella villosa subsp. villosa John Hunter Thomas 1981-6-4 20671 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC445194  Montia parvifolia A. D. E. Elmer 1903-5-1 4577 San Mateo Iverson's Place Comment
  CAS-BOT-BC445198  Montia parvifolia H. L. Mason 1921-7-1 s.n. San Mateo Pescadero Creek Comment
  UCSC007765  Morella californica Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  UC13848  Muilla maritima Alice Eastwood April 1896 San Mateo Crystal Springs Comment
  CDA5599  Myosotis discolor Wm. Davis 1959-5-15 2398 San Mateo Woodlawn Cemetery, Colma. 0 Comment
  PGM4947  Myosotis discolor Vern Yadon 2002-5-2 San Mateo Swanton near San Mateo Co, Inland from 1st ridge Comment
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Sep 15 2021
  RSA120743  Myosotis latifolia S. S. Tillett, I. Sternback 1956-6-24 542 San Mateo Behind (n.) Portola Camp Store, just outside Portola State Park. 396 Comment
  UCD164185  Myosotis latifolia Peter Rubtzoff 1978-6-4 9203 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  HSC3724  Myosotis sylvatica P. A. Murphy 1965-4-15 50 San Mateo In Hatch's Woods, ca. 6 mi. from Half Moon Bay Comment
  SEINET218191  Myosotis sylvatica Cynthia Taylor 1971-7-11 208 San Mateo Skyline Boulevard near La Honda Road., Santa Cruz Mountains. 445 Comment
  CAS-BOT-BC101772  Myrica californica Phillip C. Wheeler 1965-7-7 s.n. San Mateo Canyon south of Pig Ranch Comment
  RSA176407  Myriophyllum aquaticum John H. Thomas 1964-10-2 10508 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Edge of Searsville Lake near Bridge. Comment
  JROH2704  Myriophyllum aquaticum John Hunter Thomas 1992-5-14 25223 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near boat ramp. Comment
  CDA5313  Myriophyllum spicatum subsp. spicatum G. D. Barbe, Tom Palmer, M. Keffer, J. Reppas 1978-11-8 2469 San Mateo At south end of Pilarcitos Lake at the spillway. 0 Comment
  CDA5316  Myriophyllum spicatum subsp. spicatum G. D. Barbe, Tom Palmer, M. Keffer, J. Reppas 1978-11-8 2468 San Mateo Cove west of dam, south end of San Andreas Lake. 0 Comment
  CAS-BOT-BC260024  Nassella lepida Phillip C. Wheeler 1965-5-18 s.n. San Mateo San Bruno Mountain. Near base of mountain near Olivet Cemetary Comment
  CAS-BOT-BC260227  Nassella pulchra Ned Cahill 1974-4-29 180 San Mateo Near the intersection of Canada and Edgewood roads, about 3 miles W from Redwood City Comment
  CAS-BOT-BC260229  Nassella pulchra W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. S side of Montara Mountain Comment
  CAS-BOT-BC260232  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
  UCD37956  Nassella pulchra Beecher Crampton 1962-6-11 6486 San Mateo San Mateo County, 5 miles west of Belmont, at junction of Ralston Avenue and and Skyline Boulevard, at foot of western slope of Pulgas Ridge, along eastern side of lower Crystal Springs Reservoir. Comment
  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
  CAS-BOT-BC60475  Nasturtium officinale Elizabeth McClintock 1967-9-24 s.n. San Mateo San Bruno Mountains. Crocker Avenue. Comment
  CAS-BOT-BC60479  Nasturtium officinale George Oberlander 1949-5-21 146 San Mateo San Francisco Watershed Reserve. Along Pilarcitos Creek. Comment
  JROH3207  Navarretia heterodoxa John Hunter Thomas 1986-6-9 24092 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC306768  Navarretia heterodoxa A. D. E. Elmer Jun 1903 4282 San Mateo Crystal Springs Lake Comment
  UCD78193  Navarretia heterodoxa Robert E. Preston 2008-6-11 2641 a San Mateo Between Lower Crystal Springs Reservoir and Skyline Blvd, ca. 0.5 mi S of jct Skyline Blvd and Golf Course Rd 117 Comment
  JROH3197  Navarretia heterodoxa W. R. Dudley 1895-6-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Point of Rocks near Searsville Lake Comment
  JROH3210  Navarretia squarrosa John H. Thomas 1973-6-15 16835 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  LA206579  Navarretia squarrosa Ira L. Wiggins; 1929-7-4 3777 San Mateo 4 mi. W. of La Honda on hill road to Pescadero Beach Comment
  UC125564  Navarretia squarrosa C. F. Baker 1903-6-30 3360 San Mateo Pilarcitos; ; Pilarcitos, San Mateo Co. Comment
  UC1537487  Navarretia squarrosa Gordon H. True Jr. 1936-6-14 506 San Mateo s of Salada Beach 365 Comment
  JROH2740  Nemophila menziesii var. menziesii John Hunter Thomas 1992-4-9 25134 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5546  Nemophila menziesii var. menziesii John Rawlings 2013-4-13 1195 San Mateo Jasper Ridge Biological Preserve, Stanford University; southeast side of creek and about 75 meters upstream of bridge on Trail 11 136 Comment
  CAS-BOT-BC219489  Nemophila parviflora Lewis S. Rose 1933-4-9 33067 San Mateo Belmont Comment
  CAS-BOT-BC219487  Nemophila parviflora Mrs. E. C. Sutliffe 1933-5-25 s.n. San Mateo Purissima Canyon Comment
  JROH4169  Nicotiana acuminata var. multiflora Ann Lambrecht, John Rawlings 2007-11-7 0038 San Mateo Jasper Ridge Biological Preserve, Stanford University. 115 Comment
  CAS-BOT-BC140434  Oemleria cerasiformis Javier Penalosa 1963-3-9 2701 San Mateo Ravine 1/2 mi. east of 1314ft. summit. 304 Comment
  CAS-BOT-BC140448  Oemleria cerasiformis Elizabeth McClintock 1967-4-16 s.n. San Mateo Buckeye Canyon Comment
  JROH3707  Oemleria cerasiformis John H. Thomas 1968-3-17 14184 San Mateo Jasper Ridge Biological Preserve, Stanford University. Brush slope at arm of Lake Comment
  JROH3710  Oemleria cerasiformis John H. Thomas 1977-4-28 18566 C San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA176762  Oemleria cerasiformis John H. Thomas 1963-4-17 10035 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto.Moist slope along road near Searsville Lake. Comment
  RSA451812  Oemleria cerasiformis L. S. Rose 1937-3-14 37002 San Mateo Moist Hills, Emerald Lake. 198 Comment
  SJSU8084  Oemleria cerasiformis S. H. Casey 1969-4-17 227 San Mateo W facing slope of Colma Canyon, San Bruno Mt Comment
  RSA301273  Oenothera Andrew R. Moldenke 1975-9-6 3419 San Mateo Pigeon Point Comment
  RSA18444  Oenothera elata subsp. hookeri Carl B. Wolf 1927-6-29 564 San Mateo 3 miles south of San Gregorio. Comment
  JROH3087  Orobanche John Hunter Thomas 1991-12-28 25118 San Mateo Jasper Ridge Biological Preserve, Stanford University; Rattlesnake Rocks along path to redwoods Comment
  UC1076287  Orobanche californica subsp. californica Herbert L. Mason 1927-7-28 3983 San Mateo Pigeon Point. Comment
  RSA40251  Orthocarpus densiflorus L. S. Rose 1948-5-16 48113 San Mateo Emerald Lake, west of Redwood City. 152 Comment
  RSA184905  Orthocarpus erianthus var. roseus L. S. Rose 1965-3-25 65010 San Mateo San Bruno Mountains, north end. 122 Comment
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Mar 28 2016
  SEINET6205026  Orthocarpus erianthus var. roseus L. S. Rose 1965-1 65010 San Mateo N end of San Bruno Mtns Comment
  RSA152408  Orthocarpus faucibarbatus var. albidus R. C. Bacigalupi, G. Thomas Robbins 1954-6-18 4562 San Mateo Immediately behind Point Ano Nuevo. Comment
  RSA184977  Orthocarpus lithospermoides L. S. Rose 1966-5-2 66034 San Mateo Emerald Lake, west of Redwood City. 91 Comment
  JROH299  Osmorhiza berteroi John Hunter Thomas 1986-5-17 24048 San Mateo Jasper Ridge Biological Preserve, Stanford University; dam to Rattlesnake Rock Comment
  JROH301  Osmorhiza berteroi John Hunter Thomas 1989-6-6 24767 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC166716  Oxalis albicans subsp. pilosa Peter Rubtzoff 1975-5-21 7979 San Mateo San Bruno Mountains. Saddle area north of Guadalupe Canyon Parkway and west of Radio Road junction. Comment
  OBI7876  Oxalis corniculata G. L. Parsons 1976-5-31 125 San Mateo San Mateo Comment
  POM353454  Oxalis oregana A. C. Life 1924-2-22 s.n. San Mateo Kings Mountain, Redwood Park. Comment
  RSA130338  Oxalis oregana M. N. paulson 1915-4-10 s.n. San Mateo Kings Mountain. Comment
  SEINET6645806  Oxalis oregana R. L. Oliver 1976-4-18 s.n. San Mateo La Honda along highway 84 Comment
  CAS-BOT-BC318251  Packera breweri W. R. Dudley 1893-5-3 s.n. San Mateo Foothills near Stanford University. Comment
  JROH5340  Panicum miliaceum subsp. miliaceum Ann Lambrecht 2000-9-11 1 San Mateo Jasper Ridge Biological Preserve, Stanford University. Corte Madera Creek. Comment
  CAS-BOT-BC259639  Paspalum dilatatum Walter & Irja Knight; Peter Rubtzoff 1987-10-16 6071 San Mateo San Bruno Mountain, ca. 0.25 mile from Randolph Avenue on Old Bayshore Highway, South San Francisco 4 Comment
  UC157045  Paspalum distichum C. F. Baker 1902-10-20 1836 San Mateo Searsville; about the lake shore Comment
  JROH1400  Pectocarya pusilla J. I. McMurphy 1911-5-11 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4094  Pedicularis densiflora Le Roy Abrams 1901-1-27 1102 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Comment
  JROH4113  Pedicularis densiflora John H. Thomas 1974-4-13 17150 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA125830  Pedicularis densiflora G. R. Campbell 1956-4-4 1 San Mateo La Honda Rd (from Hwy 5) to Woodside, 3 mi from Mt Home-Portola road. 610 Comment
  LA209494  Pedicularis dudleyi E. B. Copeland; 1982-4-9 707 San Mateo big basin of Pescadero creek Comment
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Jun 12 2020
  NY90895  Pedicularis dudleyi A. D. E. Elmer 06 1903 4289 San Mateo Pescadero Comment
  CAS-BOT-BC207033  Pelargonium vitifolium Ira L. Wiggins 1929-5-10 3675 San Mateo Roadside between Pigeon Point and Pescadero. Comment
  UC903064  Pelargonium vitifolium Ethel Crum 1934-4-29 1704 San Mateo s of Pescadero 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
  JROH1159  Pentachaeta alsinoides John H. Thomas 1958-5-10 7155 San Mateo Jasper Ridge Biological Preserve, Stanford University; to the north of the top of the ridge Comment
  SJSU14193  Pentachaeta bellidiflora Toni Corelli 1989-4-2 201 San Mateo watershed triangle between Edgewood & Canada Rds 170 Comment
  UC2044059  Perideridia gairdneri subsp. gairdneri Neal Kramer 2002-8-3 CR 235 San Mateo POST Cloverdale Ranch. North end of the Mesa approx. 0.4 mi east of Lake Lucerne. Comment
  JROH3249  Persicaria amphibia John Hunter Thomas 1979-9-9 19728 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Searsville Lake. Comment
  CAS-BOT-BC413609  Persicaria amphibia W. R. Dudley 1909-10-4 s.n. San Mateo Santa Cruz Mountain Peninsula. North Pond - north end of county Comment
  CAS-BOT-BC413764  Persicaria lapathifolia Verne Grant; Herbert L. Mason 1946-8-28 13089 San Mateo Pond on Santa Cruz - Daly City Road #5, south of San Francisco Comment
  JROH3271  Persicaria lapathifolia John Hunter Thomas 1979-9-9 19716 San Mateo Jasper Ridge Biological Preserve, Stanford University. Lake edge and delta. Comment
  CAS-BOT-BC419155  Persicaria maculosa Ira L. Wiggins 1980-8-29 22262 San Mateo Bed of San Francisquito Creek ca 75 m upstream from Pope Street bridge Comment
  JROH3286  Persicaria punctata John Hunter Thomas 1991-11-21 25101 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low-flow crossing of San Francisquito Creek. Comment
  JROH1164  Petasites frigidus var. palmatus Carol Zabel 1989-8-11 27 San Mateo Jasper Ridge Biological Preserve, Stanford University; San Francisquito Creek near confluence with Bear Creek Comment
  UCD120300  Phacelia californica J. Doty 1969-3-26 596 San Mateo 100 yards east of the junction of State Highways 35 and 92, near summit of Coast Range. Comment
  SD67316  Phacelia imbricata Darley F. Howe 1967-4-14 4352 San Mateo 7.0 miles from San Mateo on road to Half Moon Bay. 121 Comment
  CDA34191  Phacelia malvifolia D. G. Kelch, David Gernandt, Steffi Ickert-Bond, Yingli Guo 2011-4-22 11 .172 San Mateo Swanton Rd just S of Ano Nuevo above Weddell Creek. Comment
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Sep 15 2021
  UC881192  Phacelia malvifolia John Thomas Howell 1938-5-1 13768 San Mateo Colma Canyon Comment
  JROH2763  Phacelia rattanii John H. Thomas 1961-6-7 9530 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC258932  Phalaris aquatica J. H. Thomas 1963-8-4 10233 San Mateo About 2.5 miles inland from San Gregorio along the highway Comment
  CAS-BOT-BC259000  Phalaris californica John Thomas Howell 1938-6-4 13885 San Mateo Burlingame Comment
  CAS-BOT-BC259001  Phalaris californica A. D. E. Elmer 1903-6-1 4699 San Mateo Crystal Springs Lake Comment
  UC1151607  Phalaris californica Beecher Crampton 1962-6-11 6487 San Mateo e side Lower Crystal Springs Reservoir (5 mi w of Belmont); e side Lower Crystal Springs Reservoir Comment
  UCD88577  Phalaris californica P. B. Kennedy 1928-5-2 s.n. San Mateo E of Daly City. Comment
  SEINET10887598  Phalaris californica Adolph D. E. Elmer Elmer 4699 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC250642  Phalaris minor A. D. E. Elmer 1903-6-1 4427 San Mateo Crystal Springs Lake Comment
  UC820505  Phalaris minor John Thomas Howell 1937-7-5 13099 San Mateo along Bayshore Highway Redwood City Comment
  JROH4288  Phoradendron serotinum subsp. tomentosum John H. Thomas 1959-8-22 8080 San Mateo Jasper Ridge Biological Preserve, Stanford University 182 Comment
  RSA132361  Phoradendron villosum John H. Thomas 1960-3-1 8536 San Mateo Jasper Ridge, about 5 miles SW of Palo Alto. 152 Comment
  UC2056116  Phyllospadix torreyi 2015-6-18 San Mateo Pescadero. beds south of promontory Comment
  CAS-BOT-BC142186  Physocarpus capitatus Walter Knight 1963-6-24 s.n. San Mateo Quarry 4 - San Bruno Mountain Comment
  UC860427  Physocarpus capitatus Lewis S. Rose 1939-5-5 39093 San Mateo San Mateo Canyon 45 Comment
  RSA177001  Picris echioides John H. Thomas 1964-11-15 10525 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto; at edge of Searsville Lake. Comment
  RSA12771  Pinus radiata C. B. Wolf 1934-11-9 6230 San Mateo Ano Nuevo Point to Pigeon Point; extend 1-2 miles south here 46 Comment
  CAS-BOT-BC137318  Piperia elegans Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC254388  Piptatherum miliaceum Ira L. Wiggins 1980-8-29 22256 San Mateo Lower bank of San Francisquito Creek, ca. 150 m upstream from Pope Street bridge, Menlo Park Comment
  CAS-BOT-BC135929  Pittosporum tenuifolium Elizabeth McClintock; Paul Reeberg 1989-8-31 s.n. San Mateo Willow Pond - San Bruno Mountains Comment
  SEINET7876345 Image available Pittosporum undulatum A. T. Whittemore 2002-1 02 -001 San Mateo Garden of 418 Hillway Dr., Redwood City 98 Comment
  CAS-BOT-BC228135  Plagiobothrys chorisianus Josephine D. Randall 1907-7-23 12 San Mateo The Santa Cruz Peninsula. Near Crystal Springs Lake Comment
  RSA262234  Plagiobothrys chorisianus John H. Thomas 1961-5-7 9258 San Mateo San Bruno Mountain, in northern part of county. 305 Comment
  UC586830  Plagiobothrys chorisianus David Keck 1938-5-30 4728 San Mateo Pescadero Comment
  UC73677  Plagiobothrys chorisianus Harley P. Chandler 1901-3-15 806 San Mateo cliffs w Colma Comment
  UC78190  Plagiobothrys chorisianus K. Brandegee 1892-4-9 San Mateo South San Francisco Comment
  CAS-BOT-BC228126  Plagiobothrys chorisianus Peter H. Raven 1950-4-16 1816 San Mateo Between Geneva Avenue (San Francisco County) and San Bruno Mountains 182 Comment
  CAS-BOT-BC228158  Plagiobothrys chorisianus var. chorisianus L. R. Abrams 1909-4-27 s.n. San Mateo The Santa Cruz Mountain Peninsula. Near Crystal Springs Lake Comment
  CAS-BOT-BC228167  Plagiobothrys chorisianus var. chorisianus J. I. McMurphy 1906-5-8 s.n. San Mateo The Santa Cruz Mountain Peninsula. Pond by road between Woodside and Byrne's Store Comment
  CAS-BOT-BC228154  Plagiobothrys chorisianus var. chorisianus W. R. Dudley 1893-5-27 s.n. San Mateo The Santa Cruz Mountain Peninsula. By road from Hayman's Ranch to San Gregorio Creek Comment
  CAS-BOT-BC228163  Plagiobothrys chorisianus var. chorisianus W. R. Dudley 1900-3-18 s.n. San Mateo The Santa Cruz Mountain Peninsula. Head of Andreas Reservoir Comment
  CHSC24897  Plantago erecta B. A. Rosene 1976-4-18 1 San Mateo Ca. 2.4 km nw of entrance to California State Game Refuge. 182 Comment
  CHSC59771  Plantago erecta Jan M. Karaz 1979-5-22 29 San Mateo 500 ft west of Canada College Campus Drive, 1.8 mi west of Hwy 280. 5 Comment
  JROH3115  Plantago erecta John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3121  Plantago erecta John Hunter Thomas 1984-4-2 23273 3 B San Mateo Jasper Ridge Biological Preserve, Stanford University; near Westridge fence Comment
  RSA153467  Plantago erecta John H. Thomas 1961-5-7 9250 San Mateo San Bruno Mountain in northern part of county. 305 Comment
  JROH3128  Plantago lanceolata John H. Thomas 1968-4-19 14292 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS15530  Plantago maritima var. californica G. Thomas Robbins 1956-8-18 3736 San Mateo near mouth of Pomponio Creek Comment
  CAS-BOT-BC92017  Platystemon californicus Elizabeth McClintock 1965-6-13 s.n. San Mateo San Bruno Mountain. Colma Canyon. Comment
  CAS-BOT-BC92020  Platystemon californicus Lewis S. Rose 1933-5-17 33170 San Mateo Redwood City. Comment
  CAS-BOT-BC92022  Platystemon californicus David D. Keck 1932-5-6 1473 San Mateo Burlingame. North city limits. Comment
  JROH4249  Plectritis macrocera John H. Thomas 1969-4-20 14896 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4251  Plectritis macrocera H. J. Dengler 1971-4-30 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. On serpentine grassland E. of Searsville Rocks in gully Comment
  CAS-BOT-BC260964  Pleuropogon californicus var. californicus A. D. E. Elmer 1903-6-1 4848 San Mateo Milbrae Comment
  RSA135747  Pleuropogon californicus var. californicus James I. McMurphy 1906-5-8 s.n. San Mateo Road near head of Crystal Springs Lakes, by road from Woodside to Byrnes Store. Comment
  CAS-BOT-BC255563  Poa annua W. R. Dudley 1894-3-26 s.n. San Mateo Santa Cruz Mountain Peninsula. By road from Pescadero to San Gregorio Comment
  CAS-BOT-BC255567  Poa annua George Oberlander 1949-4-30 112 San Mateo San Francisco Watershed Reserve. Sawyer Ridge Comment
  JROH5398  Poa annua John H. Thomas 1968-3-31 14260 B San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC255054  Poa compressa Peter H. Raven 1950-4-16 1812 San Mateo Flat fields between Geneva Avenue, San Francisco County and Summit of San Bruno Mountains, San Mateo County Comment
  JEPS112938  Poa douglasii Dean W. Taylor 2002-3-20 17956 San Mateo Franklin Point, in dune sand just inland from the actual point 3 Comment
  CAS-BOT-BC246710  Poa howellii George Oberlander 1950-4-23 850 San Mateo San Francisco Watershed Reserve. Cahill Ridge Comment
  CAS-BOT-BC246711  Poa howellii Margaret A. Barry 1937-5-15 93 San Mateo Coal Mine Ridge Comment
  JROH5408  Poa howellii H. J. Dengler 1961-5-8 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; 20' above (S.W.) of San Francisquito Creek, and immediately above Tiger Lily site where there is a seep beneath a large laurel. 77 Comment
  JROH5412  Poa howellii John Rawlings 2013-4-16 1137 A San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 2 extension south of the Dengler Transect after a short uphill section where the trail passes below a boulder. 84 Comment
  JROH5777  Poa howellii John Rawlings 2016-4-16 1702 San Mateo Jasper Ridge Biological Preserve, Stanford University; at the first footbridge on Trail 12 near the old quarries. 108 Comment
  CAS-BOT-BC243116  Poa secunda subsp. secunda John H. Thomas 1971-5-2 15839 San Mateo Near the intersection of Canada and Edgewood roads, about 3 miles W from Redwood City 152 Comment
  CAS-BOT-BC243120  Poa secunda subsp. secunda W. R. Dudley 1900-3-16 s.n. San Mateo By Redwood stage road Comment
  CAS-BOT-BC243121  Poa secunda subsp. secunda Margaret A. Barry 1937-5-1 38 San Mateo Coal Mine Ridge Comment
  JROH5701  Poa secunda subsp. secunda John Rawlings 2015-4-7 1350 San Mateo Jasper Ridge Biological Preserve, Stanford University; rocky ridge crest of Jasper Ridge 175 Comment
  CAS-BOT-BC244253  Poa unilateralis Walter & Irja Knight 1965-3-21 s.n. San Mateo San Bruno Mountain. E of Brisbane power lines on ridge Comment
  UC23973  Polemonium carneum J. Burtt Davy 1895-4-20 1040 San Mateo Pilarcitos Comment
  POM280341  Polygonum arenastrum Lyman Benson 1936-9-4 7990 San Mateo Menlo Park, San Francisco Bay. 30 Comment
  CAS-BOT-BC414105  Polygonum aviculare subsp. aviculare J. H. Thomas 1949-10-16 1145 San Mateo Just north of outlet of San Gregorio Creek Comment
  JROH3262  Polygonum aviculare subsp. depressum John Hunter Thomas 1980-11-27 20187 San Mateo Jasper Ridge Biological Preserve, Stanford University. Delta. Comment
  CAS-BOT-BC109242  Polygonum paronychia Louis F. Pitelka 1974-5-28 s.n. San Mateo Bolsa Point, about 1 mile north of Pigeon Point and about 39 miles south of San Francisco. Comment
  SEINET3086523 Image available Polygonum paronychia C. W. Sharsmith 1950-4-16 6627 San Mateo Vicinity of Pescadero Point, near Pescadero. Comment
  UCR240610  Polygonum paronychia T. B. Salvato, Lia V. D. Mansfield, Joel-Henry J. Mansfield 2008-6-14 3526 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
  UC1191256  Polygonum punctatum Malcolm A. Nobs and S. Galen Smith 1949-8-25 1560 San Mateo Sharp Park; marshes Comment
  CAS-BOT-BC76908  Polypodium californicum W. R. Dudley 1897-1-1 s.n. San Mateo Santa Cruz Mountain Peninsula - by crossing of Butano Cr. below Sinnott's Comment
  UC42915  Polypodium scouleri J. Burtt Davy 1893-6-22 San Mateo top of Pilarcitos Comment
  UCD150642  Polypodium scouleri Collector unknown 1974-5-30 28 San Mateo San Bruno Mtn. Radio Rd., before first radio station, and west of Radio Rd. below first radio station. On roadcut. 365 Comment
  JROH5430  Polypogon interruptus John H. Thomas 1962-7-15 9921 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek below dam. Comment
  CAS-BOT-BC233158  Polypogon interruptus Robert Robertson 1954-4-14 76 San Mateo By roadside NW of Palo Alto Yacht Club 3 Comment
  CAS-BOT-BC237344  Polypogon monspeliensis Ned Cahill 1974-5-18 289 San Mateo Near the intersection of Canada and Edgewood roads, about 3 miles W from Redwood City Comment
  CAS-BOT-BC237355  Polypogon monspeliensis S. D. Halsey 1908-11-7 s.n. San Mateo Salt marsh near Cooleys Landing Comment
  JROH5445  Polypogon monspeliensis John H. Thomas 1974-10-29 17644 San Mateo Jasper Ridge Biological Preserve, Stanford University. Small peninsula created by drainage channel cut to accommodate water from Corte Madera Cr. Comment
  POM313142  Polypogon monspeliensis H. L. Mason, Verne Grant 1946-8-28 13094 San Mateo On highway 5, about 3 miles south of Daly City Road. Comment
  UC1100377  Polypogon monspeliensis Malcolm A. Nobs and S. Galen Smith 1949-8-25 1563 San Mateo Sharp Park; marshes around Sharp Park Comment
  JROH4813  Polypogon viridis John Hunter Thomas 1979-5-22 19573 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SBBG51403  Polystichum dudleyi J. Doty 1969-3-27 609 San Mateo N side of St Hwy 84, ca. 50' W of Bridge No 35-165, ca. 6 mi E of St Hwy 1 Comment
  CAS-BOT-BC76605  Polystichum munitum Margaret Barry 1938-5-29 267 San Mateo Corte Madera Creek, near Coal Mine Ridge. Comment
  UC150382  Polystichum munitum C. F. Baker 1902-1-15 321 San Mateo w side King's Mt. Comment
  JROH3839  Populus trichocarpa John H. Thomas 1966-4-13 11557 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3842  Populus trichocarpa John H. Thomas 1976-4-30 18099 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below Dam. Comment
  CAS-BOT-BC453678  Potamogeton gramineus W. R. Dudley 1910-5-26 s.n. San Mateo Santa Cruz Mountain Peninsula. Coal Mine Ridge near Black Mountain Comment
  SEINET10946049  Potamogeton nodosus Herbert L. Mason 1921-5-28 Mason s.n. San Mateo Lagoon back of New Years Pt. Comment
  UC430  Potamogeton pectinatus J. Burtt Davy Jun 21 1893-Jun 23 1893 1131 San Mateo Pilarcitos Lake and Canyon Pilarcitos Lake Comment
  CDA857  Potamogeton pusillus Wm. Davis 1964-6-17 San Mateo Lake on Purcell property, San Mateo. 0 Comment
  CAS-BOT-BC454050  Potamogeton pusillus subsp. pusillus W. R. Dudley 1909-10-10 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Club House, Crystal Springs Reservoir Comment
  CAS-BOT-BC454051  Potamogeton pusillus subsp. pusillus Peter C. Ting, Jr. 1939-8-28 s.n. San Mateo Lake Pilarcitos Comment
  CAS-BOT-BC143408  Potentilla Elizabeth McClintock 1974-11-8 s.n. San Mateo On north side of Guadalupe Parkway Comment
  CAS-BOT-BC141935  Potentilla anserina subsp. pacifica Robert Robertson 1954-4-17 85 San Mateo By stream near coast north of Moss Beach (Montara) 4 Comment
  CAS-BOT-BC516351  Prosartes hookeri M. N. Paulson 1915-4-1 s.n. San Mateo Kings Mountain Comment
  SEINET12044821  Prosartes smithii J. D. Randall 1908-1 s.n. San Mateo King's Mt, Santa Cruz Peninsula Comment
  UC449935  Prunella vulgaris var. lanceolata Franklin P. Nutting 1893-7-15 San Mateo near Lake San Andreas; near Lake San Andreas Comment
  RSA18295  Prunella vulgaris var. lanceolata Carl B. Wolf 1927-6-21 422 San Mateo East slope of Kings Mt. Comment
  JROH3751  Prunus John Hunter Thomas 1981-4-5 20290 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek Comment
  CAS-BOT-BC159842  Prunus cerasifera Elizabeth McClintock; Paul Reeberg 1988-6-7 s.n. San Mateo Guadalupe Parkway. San Bruno Mountains Comment
  CAS-BOT-BC158173  Prunus emarginata Peter H. Raven 1950-4-16 1810 San Mateo Above [Visitation] Visitacion Valley, San Bruno Mts. 182 Comment
  CAS-BOT-BC158177  Prunus emarginata A. D. E. Elmer 1903-5-1 4523 San Mateo Searsville Lake Comment
  UC136492  Prunus emarginata C. F. Baker 1902-5-1 691 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC154500  Prunus ilicifolia J. H. Thomas 1954-5-28 4239 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco 91 Comment
  CAS-BOT-BC154501  Prunus ilicifolia Fred Hemphill 1973-5-14 809 San Mateo San Carlos. North of Malabar Rd. and Melendy Dr. 207 Comment
  RSA187271  Prunus ilicifolia John H. Thomas 1954-5-28 4239 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco. 30 Comment
  JROH3749  Prunus subcordata H. L. Mason 1921-3-9 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Zoo shack Comment
  POM140358  Prunus subcordata L. R. Abrams 1901-03 1168 San Mateo Portola, Los Troncos Creek. Comment
  CAS-BOT-BC156358  Prunus virginiana var. demissa J. I. McMurphy 1906-4-28 16 San Mateo [Corte de] Corte Madera Creek, Santa Cruz Mts. 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
  JROH762  Pseudognaphalium californicum John H. Thomas 1976-5-26 18149 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC356853  Pseudognaphalium californicum Walter Knight 1963-10-7 324 San Mateo San Bruno Mountain. Cow Trough Ravine Comment
  CAS-BOT-BC356864  Pseudognaphalium californicum Philip C. Wheeler 1965-5-8 s.n. San Mateo San Bruno Mountain. Sierra Point Comment
  CAS-BOT-BC357118  Pseudognaphalium luteoalbum John H. Thomas 1976-10-7 18396 San Mateo Along coast highway #1, 0.6 mile north of northern most road to Pigeon Pt. Lighthouse. About 4.2 miles almost due south of Pescadero 30 Comment
  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
  JROH773  Pseudognaphalium luteoalbum J. H. Thomas 1958-12-21 7510 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake Comment
  JROH776  Pseudognaphalium luteoalbum John H. Thomas 1974-10-29 17649 San Mateo Jasper Ridge Biological Preserve, Stanford University; small peninsula created by drainage channel cut to accomodate water from Corte Madera Cr. Comment
  JROH784  Pseudognaphalium luteoalbum John Hunter Thomas 1986-5-6 24001 San Mateo Jasper Ridge Biological Preserve, Stanford University; near bath house Comment
  CAS-BOT-BC357510  Pseudognaphalium ramosissimum George Oberlander 1950-7-15 1082 San Mateo San Francisco Watershed Reserve. Cahill Ridge Comment
  CAS-BOT-BC357511  Pseudognaphalium ramosissimum Robert S. Cox, Jr. 1946-8-7 s.n. San Mateo Near Pescadero Comment
  CAS-BOT-BC357506  Pseudognaphalium ramosissimum W. R. Dudley 1895-9-15 s.n. San Mateo Santa Cruz Mountain Peninsula. El Corte Madera Comment
  CAS-BOT-BC361562  Pseudognaphalium stramineum Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountain. Radio Road Comment
  HSC5703  Pseudognaphalium stramineum L. S. Rose 1966-8-6 66079 San Mateo San Bruno Mtns.; Colma Canyon 122 Comment
  JROH810  Pseudognaphalium stramineum John Hunter Thomas 1981-7-12 20686 San Mateo Jasper Ridge Biological Preserve, Stanford University; near boat dock Comment
  OBI4193  Pseudognaphalium stramineum Lewis S. Rose 1966-8-6 66079 San Mateo San Bruno Mtn, Colma Cyn 122 Comment
  UCSC007772  Pseudognaphalium stramineum Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  UCR201596  Pseudotsuga menziesii June Latting 1972-4-21 s.n. San Mateo Central Coast, Santa Cruz Mountains, Pseudotsuga study site 777 Comment
  JROH125  Pseudotsuga menziesii var. menziesii John H. Thomas 1970-1-1 15492 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH128  Pseudotsuga menziesii var. menziesii John Hunter Thomas 1983-4-28 21776 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1189  Psilocarphus tenellus John Hunter Thomas 1983-5-23 22251 San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack side & low-flow crossing 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
  CHSC39781  Pteridium aquilinum Maxey-Jones 1928-4-21 San Mateo La Honda Redwoods. Comment
Read comments
Jul 10 2010
  CAS-BOT-BC421314  Pterostegia drymarioides W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Peninsula. By grade south slope Montara Mts. Comment
  UC149267  Pyrrocoma racemosa var. racemosa L. R. Abrams 1906-9-29 San Mateo Cooleys Landing Comment
  JROH2531  Quercus John H. Thomas 1974-4-4 17087 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD14953  Quercus agrifolia Stephen K. Langer 1991-3-16 s.n. San Mateo California, San Mateo Co.; San Bruno Mountains, Buckeye Canyon. Comment
  SEINET13953029 Image available Quercus agrifolia Lewis S. Rose 1964-1 64012 San Mateo Emerald Lake, west of Redwood City hills, 400 feet in altitude 122 Comment
  SEINET9326838  Quercus agrifolia Unknown 1938-11-6 San Mateo Woodside, hill slopes. Comment
  JEPS121496  Quercus agrifolia var. agrifolia Adam C. Schneider with C. Matt Guilliams 2013-4-7 105 San Mateo Crystal Springs Reservoir 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
  JROH2538  Quercus douglasii Carol Zabel 2004-8-11 52 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 15 between Vestal's exclosure and intersection with Trail 16, north side of trail Comment
  JROH5804  Quercus douglasii John Rawlings, Bill Gomez 2016-7-28 1911 B San Mateo Jasper Ridge Biological Preserve, Stanford University; north side Rd F in blue oak woodland west of serpentine prairie 182 Comment
  SEINET12034334  Quercus douglasii Unknown 1929-1 7302 San Mateo Kings Mtn Comment
  POM270113  Quercus durata Lyman Benson 1932-8-1 4029 San Mateo Stanford University, Santa Cruz Mt. Range, Corte Madera Creek watershed. 122 Comment
  RSA176746  Quercus durata John H. Thomas 1963-5-12 10077 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  UC847969  Quercus durata Lewis S. Rose 1938-11-27 38314 San Mateo w of Redwood City; Emerald Lake 243 Comment
  UC942919  Quercus durata Lewis S. Rose 1950-5-20 50136 San Mateo w of Redwood City; Emerald Lake Region 243 Comment
  JROH2491  Quercus durata var. durata John Hunter Thomas 1980-5-6 19936 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-BC105399  Quercus kelloggii J. I. McMurphy 1904-3-7 48 San Mateo Santa Cruz Mountain Peninsula. Foothills near Woodside Comment
  CAS-BOT-BC105401  Quercus kelloggii Eric Walther 1919-6-9 s.n. San Mateo Woodside Comment
  JROH2498  Quercus kelloggii E. A. McGregor 1909-3-20 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM216555  Quercus kelloggii D. D. Keck 1932-3-6 1395 San Mateo La Honda road above Searsville Lake, Santa Cruz Mountains. Comment
  UC1135674  Quercus kelloggii C. M. Belshaw 1935-1-25 1463 San Mateo 4.5 mi w Woodside; Santa Cruz Quad. 609 Comment
  UCD14074  Quercus parvula var. shrevei Stephen K. Langer 1988-11-5 s.n. San Mateo California, San Mateo Co.; Jones Gulch Y.M.C.A. Camp. Comment
  CAS-BOT-BC134778  Quercus wislizeni John Thomas Howell 1964-10-8 40961 San Mateo Portola State Park Comment
  CAS-BOT-BC134785  Quercus wislizeni James McMurphy 1902-5-17 s.n. San Mateo Road to Kings Mt. Comment
  JROH2529  Quercus wislizeni var. frutescens Toni Corelli 2007-1-31 337 b San Mateo Jasper Ridge Biological Preserve, Stanford University; along Trail 9 140 Comment
  JROH1200  Rafinesquia californica John H. Thomas 1966-4-29 11587 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  JEPS54964  Ranunculus californicus W. L. Jepson 1914-3-22 5730 San Mateo Redwood City Comment
  JROH3471  Ranunculus californicus John H. Thomas 1974-4-6 17090 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU2273  Ranunculus californicus C. W. Sharsmith 1947-4-13 6754 San Mateo Pescadero Beach near Pwscadero Point Comment
  UC511335  Ranunculus californicus Lyman Benson 1931-3-15 2642 San Mateo Emerald Lake San Francisco Bay Watershed, Santa Cruz Mt. Range, Redwood C 152 Comment
  CAS-BOT-BC389753  Ranunculus californicus J. Nieri 1953-2-14 s.n. San Mateo 2 miles west of Belmont Comment
  RSA399415  Ranunculus californicus J. Doty 1969-3-26 600 San Mateo 100 yards E of jct Hwy 35 and 92, near summit of Caost Range, San Francisco Peninsula. Comment
  UC750526  Ranunculus californicus Lewis S. Rose 1947-4-14 47094 San Mateo Skyline Blvd. e Sharps Park 152 Comment
  CAS-BOT-BC378728  Ranunculus californicus var. cuneatus John H. Thomas 1955-3-5 4679 San Mateo coastal bluffs north of mouth of San Gregorio Creek 0000000000000000000000000 30 Comment
  JROH3478  Ranunculus hebecarpus John H. Thomas 1971-4-25 15788 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3481  Ranunculus hebecarpus John H. Thomas 1974-4-25 17212 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3486  Ranunculus hebecarpus John Hunter Thomas 1985-4-22 23547 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM269212  Ranunculus hebecarpus W. R. Dudley 1894-4-11 s.n. San Mateo slope near Menlo Park Comment
  CAS-BOT-BC83417  Ranunculus lobbii J. I. McMurphy 1906-5-8 s.n. San Mateo Santa Cruz Mountain Peninsula. Pond near Head of Crystal Springs Lakes. Comment
  RSA101003  Ranunculus lobbii George Oberlander 1950-3-18 s.n. San Mateo Upper Crystal Springs Lake, San Francisco Watershed Reserve Comment
  JROH5787  Ranunculus muricatus John Rawlings 2016-4-14 1703 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 18 in oak woodland 124 Comment
  UC827645  Ranunculus orthorhynchus var. bloomeri Lewis S. Rose 1937-4-30 37241 San Mateo Brisbane 6 Comment
  POM177526  Ranunculus orthorhynchus var. bloomeri L. R. Abrams 1909-4-27 s.n. San Mateo marsh land betw Woodside and Crystal Lake Comment
  JEPS67907  Ranunculus pusillus L. R. Heckard and J. H. Thomas 1972-4-16 2890 San Mateo ca 1 1/2 mi s Pulgas Water Temple (along old Canada road (private), sw of Upper Crystal Springs Reservoir) 121 Comment
  CAS-BOT-BC74339  Raphanus sativus Lous F. Pitelka 1973-4-30 s.n. San Mateo Bolsa Point, about 1 mile north of Pigeon Point and about 39 miles south of San Francisco. Comment
  RSA210922  Raphanus sativus John H. Thomas 1969-6-4 15106 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles SW of Palo Alto. Comment
  SJSU1605  Rhamnus alaternus C. D. Duncan 1955-2-17 San Mateo residence, Menlo Park Comment
  JROH3555  Rhamnus crocea H. L. Mason 1921-3-9 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA7771  Rhamnus tomentella subsp. tomentella John W. Gillespie 1925-8-9 191 San Mateo Searsville road Comment
  CAS-BOT-BC389666  Rhododendron occidentale Wicksten 1975-6-19 233 San Mateo Unspecified Comment
  UCR2941  Ribes aureum var. gracillimum Wm. Horn Jr. 1963-4-9 620409- 02 San Mateo San Francisco Bay region, Hillsborough, 2240 Redington Rd. 30 Comment
  POM202466  Ribes californicum L. S. Rose 1933-6-9 33226 San Mateo Belmont Comment
  UC11496  Ribes californicum Alice Eastwood April 1896 San Mateo Crystal Springs Comment
  UC974953  Ribes californicum Lewis S. Rose 1937-3-14 37003 San Mateo Belmont 152 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
  UCD102242  Ribes divaricatum Lewis S. Rose 1965-3-16 65008 San Mateo Searsville Lake. 121 Comment
  CAS-BOT-BC173091  Ribes divaricatum var. pubiflorum George Oberlander 1949-4-9 49 San Mateo Pilarcitos Canyon Comment
  UC311181  Ribes divaricatum var. pubiflorum A. D. E. Elmer May, 1903 4511 San Mateo Searsville Lake Comment
  CAS-BOT-BC173090  Ribes divaricatum var. pubiflorum W. R. Dudley 1895-2-23 s.n. San Mateo Above last bridge on San Francisquito Cr. near Stanford University Comment
  RSA0025025  Ribes divaricatum var. pubiflorum L. R. Abrams 1904-4-10 s.n. San Mateo East of Crystal Springs Reservoir. Comment
  CAS-BOT-BC173473  Ribes malvaceum A. D. E. Elmer 1903-3-1 4535 San Mateo Portola Comment
  CAS-BOT-BC173479  Ribes malvaceum Margaret A. Barry 1938-1-23 23 San Mateo North slope on Coal Mine Ridge Comment
  POM141973  Ribes malvaceum A. D. E. Elmer 1903-03 4750 San Mateo Portola Comment
  CAS-BOT-BC212808  Ribes menziesii James McMurphy 1906-5-22 s.n. San Mateo Creek above Judge Allen's, Santa Cruz Mts. Comment
  CAS-BOT-BC212815  Ribes menziesii W. R. Dudley 1904-3-3 s.n. San Mateo Santa Cruz Mts Comment
  CAS-BOT-BC212828  Ribes menziesii Peter H. Raven 1952-4-6 3984 San Mateo 1 mile s. of Sharp Park Comment
  CAS-BOT-BC212840  Ribes menziesii Ira L. Wiggins 1929-3-23 3374 San Mateo Road to Mud Lake, near Stanford University Comment
  CAS-BOT-BC212841  Ribes menziesii J. H. Thomas 1949-3-29 188 San Mateo King's Mountain Comment
  RSA0021750  Ribes menziesii var. leptosmum John H. Thomas 1960-3-1 8538 San Mateo Near San Francisquito Creek. Jasper Ridge, about 5 miles southwest of Palo Alto. 152 Comment
  RSA0021754  Ribes menziesii var. leptosmum A. D. E. Elmer 1903-04 4496 San Mateo Portola. Comment
  JROH2667  Ribes menziesii var. menziesii John H. Thomas 1974-6-27 17447 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2670  Ribes menziesii var. menziesii John Hunter Thomas 1981-4-5 20276 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek. 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
  CAS-BOT-BC144603  Ribes sanguineum var. glutinosum J. H. Thomas 1955-3-18 4693 San Mateo About 6 milesup Tunitas Road from Ocean 335 Comment
  CAS-BOT-BC144607  Ribes sanguineum var. glutinosum David D. Keck 1932-6-1 1786 San Mateo Three miles north of La Honda, Santa Cruz Mtns. 365 Comment
  CAS-BOT-BC144642  Ribes sanguineum var. glutinosum John Thomas Howell 1924-2-23 268 San Mateo King Mountain Comment
  JROH2680  Ribes sanguineum var. glutinosum John Hunter Thomas 1981-4-5 20274 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek. Comment
  UC75091  Ribes sanguineum var. glutinosum C. F. Baker 1902-1-15 241 San Mateo w side Kings Mountain Comment
  RSA0019110  Ribes sanguineum var. glutinosum Lyman Benson 1929-3-5 976 San Mateo King s Mountain. Comment
  CAS-BOT-BC74651  Rorippa curvisiliqua W. R. Dudley 1909-10-31 s.n. San Mateo Santa Cruz Mountain Peninsula. Woodside Valley Ponds. Comment
  SEINET11560757  Rorippa curvisiliqua N. L. Gardner 560 San Mateo San Francisco Peninsula, Merced Lake. Comment
  SD37966  Rorippa curvisiliqua var. curvisiliqua Jane T. Turner 1933-5-15 3671 San Mateo Mud Lake Comment
  CAS-BOT-BC147621  Rosa californica Alice Eastwood 1921-7-17 s.n. San Mateo Granada Comment
  CAS-BOT-BC147634  Rosa californica J. I. McMurphy 1906-4-30 64 San Mateo Woodside, Santa Cruz Mts. Comment
  POM223624  Rosa californica S. S. Berry 1909-2-27 s.n. San Mateo Roadside near Adalanta Villa. 46 Comment
  CAS-BOT-BC146698  Rosa gymnocarpa W. R. Dudley 1906-5-8 65 San Mateo Near Crystal Springs Lake, Santa Cruz Mts. 91 Comment
  RSA112449  Rosa gymnocarpa W. R. Dudley 1906-5-8 65 San Mateo Near Crystal Springs Lake. Santa Cruz Mtns. Santa Cruz peninsula. 91 Comment
  CAS-BOT-BC146694  Rosa gymnocarpa W. R. Dudley 1896-4-17 s.n. San Mateo By Hallades Trail near wire cable between Portola and La Honda Road Comment
  CAS-BOT-BC146704  Rosa gymnocarpa Elizabeth McClintock 1965-3-28 s.n. San Mateo Romanzoffia Ravine Comment
  JROH3758  Rosa gymnocarpa var. gymnocarpa W. R. Dudley 1898-4-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC146800  Rosa multiflora Peter Rubtzoff; Elizabeth McClintock; Paul Reeberg 1988-7-28 s.n. San Mateo unspecified Comment
  NY335771  Rosa piscatoria A. D. E. Elmer 05 1903 4923 San Mateo Pescadero Comment
  CAS-BOT-BC156646  Rubus bifrons Elizabeth McClintock 1967-9-24 s.n. San Mateo Crocker Avenue Comment
  CAS-BOT-BC152836  Rubus parviflorus George Oberlander 1950-4-23 902 San Mateo Pilarcitos Canyon - San Francisco Watershed Reserve Comment
  JROH3771  Rubus parviflorus John H. Thomas 1970-5-16 15632 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3776  Rubus parviflorus John Hunter Thomas 1985-5-22 23683 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  LA37943  Rubus parviflorus Ira L. Wiggins; 1939-8-12 9296 -A San Mateo Along banks of Gazos Cr. about 5 mi. inland from coast Comment
  CAS-BOT-BC156662  Rubus spectabilis V. F. Hesse 1959-4-16 2587 San Mateo Gazos Creek near coast 45 Comment
  SJSU10411  Rubus spectabilis R. B. Blake 1966-4-10 San Mateo Gazos Cr, Big Basin State Park Comment
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Dec 7 2010
  SJSU10442  Rubus spectabilis C. R. Schafer 1967-5-7 San Mateo Gazos Cr, Gazos Cr Rd, Big Basin State Park Comment
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Dec 7 2010
  UC202759  Rubus spectabilis A. D. E. Elmer May 1903 4788 San Mateo Spanishtown [Half Moon Bay] Comment
  CAS-BOT-BC156773  Rubus spectabilis Walter Knight; Irja Knight 1964-5-30 613 San Mateo Colma Creek between Indian Head Rock and the Eucalyptus forest Comment
  CAS-BOT-BC157066  Rubus ursinus Ira L. Wiggins 1925-4-1 1660 San Mateo On Kings Mountain Road three fourths of a mile above Woodside Comment
  CAS-BOT-BC157086  Rubus ursinus Walter Knight; Irja Knight 1965-3-15 s.n. San Mateo Colma Canyon. San Bruno Mt. Comment
  JROH3781  Rubus ursinus John Hunter Thomas 1982-5-18 20946 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along Searsville Lake near bridge Comment
  RSA152260  Rubus ursinus I. L. Wiggins 1925-04 1660 San Mateo On Kings Mtn Rd 3/4 mile above Woodside. Comment
  CAS-BOT-BC422080  Rumex acetosella John H. Thomas 1958-3-19 7064 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco. 91 Comment
  CAS-BOT-BC422076  Rumex acetosella Javier Penalosa 1963-3-30 2704 San Mateo San Bruno Mountain. North of Randolph Ave. at Hillside Blvd. in SSF. 91 Comment
  CAS-BOT-BC422092  Rumex acetosella J. H. Thomas 1949-4-6 s.n. San Mateo About 4 miles south of Daly City. Comment
  CAS-BOT-BC421820  Rumex conglomeratus Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountain. Colma Canyon Comment
  CAS-BOT-BC421568  Rumex crassus W. R. Dudley 1909-10-4 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Mussel Rock. Comment
  CAS-BOT-BC421575  Rumex crassus Lewis S. Rose 1954-10-4 54134 San Mateo Montara Comment
  CAS-BOT-BC433353  Rumex crispus Janet Jones 1983-8-16 379 San Mateo South of Date Street between Hart Street and Sunshine Valley Road, Montara. Comment
  CAS-BOT-BC433357  Rumex crispus Cherie Wetzel 1969-6-20 885 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  CAS-BOT-BC433368  Rumex crispus J. H. Thomas 1949-4-2 222 A San Mateo Palo Alto Yacht Club. Comment
  CAS-BOT-BC433749  Rumex persicarioides Ira L. Wiggins 1929-8-24 3870 San Mateo Moss Beach Comment
  CAS-BOT-BC433827  Rumex pulcher Margaret A. Barry 1938-6-22 s.n. San Mateo Slope on Coal Mine Ridge Comment
  CAS-BOT-BC434000  Rumex salicifolius David D. Keck 1932-5-6 1457 San Mateo Belmont Comment
  POM348838  Rupertia physodes E. S. Spalding 1928-8-3 s.n. San Mateo Pulgas Tunnel east side. Comment
  RSA169526  Ruppia cirrhosa H. E. Parks 1928-10 s.n. San Mateo Laguna Salada. Comment
  UC279597  Ruppia maritima unknown San Mateo Laguna de Salada Comment
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Jan 2 2010
  SJSU4472  Ruta chalepensis A. J. Hutchko 1962-5-20 100 San Mateo by seaside walk near foot of Grove St, Half Moon Bay 15 Comment
  UC1738942  Rytidosperma caespitosum Glenn Clifton 1992-8-4 San Mateo between Whitehorse Creek and Cascade Creek Santa Cruz Mountains, Cascade Ranch State Park 15 Comment
  UC1191408  Salicornia europaea Malcolm A. Nobs and S. Galen Smith 1949-8-27 1624 San Mateo e of Redwood City Comment
  OBI75779  Salix exigua Lewis S. Rose 1965-3-8 65003 San Mateo Searsville Lake 122 Comment
  UC492362  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1932-7-4 640 San Mateo 4/10 mi e. Pescadero (Butano Creek Rd.) Comment
  CAS-BOT-BC125370  Salix lasiandra var. lasiandra W. R. Dudley 1898-4-24 s.n. San Mateo El Corte de Madera Creek Comment
  JROH3869  Salix lasiandra var. lasiandra John H. Thomas 1967-3-26 12415 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3874  Salix lasiandra var. lasiandra John H. Thomas 1973-4-7 16520 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Searsville Lake Comment
  JEPS121519  Salix lasiolepis Adam C. Schneider with C. Matt Guilliams and Will Freyman 2014-2-1 322 San Mateo Crystal Springs Reservoir, Pulgas Ridge, east of Crystal Springs Reservoir. Comment
  RSA119073  Salix lasiolepis L. S. Rose 1958-3-19 58009 San Mateo Princeton. 6 Comment
  RSA178596  Salix lasiolepis L. R. Abrams 1915-3-13 5161 San Mateo Near jct of San Francisquito and Los Trancos creeks. About 2 miles from Stanford University. Comment
  RSA788839  Salix lasiolepis Peter Rubtzoff 1976-3-14 8445 San Mateo Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, upper part of East Fork Colma Creek Canyon. Comment
  UC1303067  Salix lasiolepis L. R. Abrams 1915-3-13 5162 San Mateo near junction of San Francisquito and Los Trancos creeks (about 2 mi from Stanford University) Comment
  UC481897  Salix lasiolepis C. R. Ball and G. W. Hendry 1931-2-22 15 San Mateo in arroyo near San Gregorio Creek (100 m from ocean); San Gregorio Comment
  UCD111654  Salix lasiolepis Lewis S. Rose 1965-3-8 65004 San Mateo Searsville Lake. 121 Comment
  UCR279843  Salix lasiolepis Peter Rubtzoff 1976-3-14 8445 San Mateo San Francisco Bay Region, San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction; upper part of East Fork Colma Creek Canyon 220 Comment
  UCR279849  Salix lasiolepis Peter Rubtzoff 1976-3-14 8446 San Mateo San Francisco Bay Region, San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction; upper part of East Fork Colma Creek Canyon 220 Comment
  JROH3854  Salix lasiolepis John H. Thomas 1968-3-17 14176 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET5884190 Image available Salix lasiolepis L. S. Rose 1965-1 65004 San Mateo Searsville Lake. Comment
  CAS-BOT-BC108252  Salix lasiolepis var. bigelovii Alice Eastwood 1920-3-15 s.n. San Mateo San Bruno Hills Comment
  CAS-BOT-BC108260  Salix lasiolepis var. bigelovii C. R. Ball; G. W. Hendry 1931-2-22 15 San Mateo In arroyo near San Gregoio Creek, 100 m. from ocean. Near sea level. Comment
  CAS-BOT-BC108261  Salix lasiolepis var. bigelovii C. R. Ball; G. W. Hendry 1931-2-22 15 San Mateo In arroyo near San Gregoio Creek, 100 m. from ocean. Near sea level. Comment
  CAS-BOT-BC124487  Salix lasiolepis var. lasiolepis George Oberlander 1950-3-18 949 San Mateo San Andreas Lake Comment
  CAS-BOT-BC124489  Salix lasiolepis var. lasiolepis James McMurphy 1906-3-9 s.n. San Mateo Kings Mountain Comment
  CAS-BOT-BC124494  Salix lasiolepis var. lasiolepis Margaret A. Barry 1938-5-6 s.n. San Mateo Los Trancos Creek near Coal Mine Ridge Comment
  CAS-BOT-BC129069  Salix scouleriana A. D. E. Elmer 1903-6-1 4864 San Mateo Iverson's Place on the Pescadero Comment
  SEINET3158751  Salix scouleriana L. S. Rose 1934-2-10 34025 San Mateo Skyline blvd. 4 mi S Kings Mtn. Comment
  SEINET12003643  Salix scouleriana L. S. Rose 1938-1 38303 San Mateo Skyline Blvd. & La Honda Road Comment
  SBBG40540  Salsola soda W. Anderson 1968-8-16 San Mateo W end of Dumbarton Bridge Comment
  SJSU6456  Salsola soda H. T. Harvey 1971-7-15 570 San Mateo Faber Tract, E Palo Alto Comment
  POM46693  Sambucus callicarpa L. R. Abrams 1916-3-26 5589 San Mateo Road between San Mateo and Half-Moon Bay Comment
  UC203513  Sambucus mexicana A. D. E. Elmer July, 1903 4689 San Mateo Portola Comment
  CAS-BOT-BC246027  Sambucus nigra subsp. caerulea A. D. E. Elmer 1903-7-1 4689 San Mateo Portola Comment
  HSC23950  Sambucus nigra subsp. caerulea Mary Katherine Wicksten 1971-6-17 23 San Mateo Huddart Park, along Rd. near Redwood Shelter. Comment
  CAS-BOT-BC236465  Sambucus racemosa subsp. racemosa J. H. Thomas 1949-6-4 596 San Mateo 1 mile E. of Pescadero Comment
  UCR122970  Sambucus racemosa var. racemosa George K. Helmkamp, E. A. Helmkamp 2001-6-2 6783 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
  UC420495  Sanicula arctopoides R. L. Pendleton 1907-4-20 625 San Mateo Colma 152 Comment
  JROH323  Sanicula bipinnatifida John H. Thomas 1973-3-12 16485 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH343  Sanicula crassicaulis John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA667078  Sanicula crassicaulis George K. Helmkamp, E. Helmkamp 2001-6-2 6784 San Mateo Central CA coast: Purissima Crk Rd, E of Half Moon Bay at Purissima Crk, 3.2 mi E of CA-1 244 Comment
  UCR121545  Sanicula crassicaulis George K. Helmkamp, E. A. Helmkamp 1999-6-28 4963 San Mateo Coast Range; Santa Cruz Mtns, Sky Londa; junction of Calif. Hwy 84 and Calif. Hwy 35, 5 mi south of central Redwood City 457 Comment
  SEINET13945162 Image available Sanicula crassicaulis Lewis S. Rose 1948-1 48108 San Mateo Wooded hills, W of Burlingame. Alt 400 ft 122 Comment
  JROH346  Sanicula laciniata Carol Zabel 1989-3-29 8 San Mateo Jasper Ridge Biological Preserve, Stanford University; Road E, west side of road, 100 feet down from intersection with Road F Comment
  SEINET8232375  Sanicula laciniata A. D. E. Elmer 1903-1 4498 San Mateo Portola. Comment
  JROH362  Scandix pecten-veneris John Hunter Thomas 1986-5-1 23990 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA187287  Scandix pecten-veneris John H. Thomas 1964-4-19 10314 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles SW of Palo Alto Comment
  JROH359  Scandix pecten-veneris John Hunter Thomas 1983-4-20 21537 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing Comment
  UCD164422  Schedonorus arundinaceus Peter Rubtzoff 1977-6-21 9060 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction and northwest of Fog Forest. Comment
  CAS-BOT-BC283615  Schedonorus pratensis Elizabeth McClintock; Paul Reeberg 1989-5-30 s.n. San Mateo San Bruno Mountains. In a seep above Lipman School 60 Comment
  RSA140840  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. alt. below 25 feet. 8 Comment
  CAS-BOT-BC111783  Schoenoplectus pungens W. R. Dudley 1908-10-4 s.n. San Mateo Near Laguna Salada Comment
  POM265000  Schoenoplectus pungens I. L. Wiggins 1928-4-22 2947 San Mateo Moss Beach Comment
  UC1154039  Scirpus cernuus J. Clausen 1939-7-1 1745 San Mateo Ano Nuevo Point Ano Nuevo Point (in depressions in stabilized dunes) Comment
  POM169863  Scoliopus bigelovii A. D. E. Elmer 1903-03 4559 San Mateo Kings Mountain Comment
  POM202952  Scoliopus bigelovii Alice Eastwood 1933-4-30 s.n. San Mateo Lake Pilarcitos. Comment
  UC1057748  Scoliopus bigelovii F. A. Pitelka 1946-4-13 San Mateo Pilarcitos Lake Comment
  CAS-BOT-BC519006  Scoliopus bigelovii W. R. Dudley 1895-3-5 s. n. San Mateo Kings Mt Comment
  CAS-BOT-BC519010  Scoliopus bigelovii L. R. Abrams 1904-3-7 s. n. San Mateo Bear Gulch, Santa Cruz Mtn. Penn. Comment
  CAS-BOT-BC519011  Scoliopus bigelovii John Thomas Howell 1924-2-23 265 San Mateo King Mountain Comment
  JEPS62100  Scoliopus bigelovii Elsa Kraeger 1926-2-21 San Mateo n. La Honda Comment
  CDA7623  Scolymus hispanicus T. C. Fuller 1965-7-8 13755 San Mateo D. McBryde property, 140 Eleanor Drive, Woodside. 0 Comment
  SEINET13694890 Image available Scolymus hispanicus T. C. Fuller 1965-7-8 s.n. San Mateo D. McBryde prop., 140 Eleanor Dr., Woodside Comment
  JROH4126  Scrophularia californica John H. Thomas 1975-6-5 17929 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near lowflow crossing Comment
  JROH4128  Scrophularia californica John Hunter Thomas 1977-6-16 18747 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET12287674  Scrophularia californica Unknown 1933-1 104 San Mateo Mud Lake Comment
  CAS-BOT-BC376418  Scrophulariaceae Greg de Nevers 2001-9-26 12630 San Mateo Palo Alto. Comment
  RSA14791  Scutellaria tuberosa L. S. Rose 1935-5-1 35140 San Mateo Belmont. Comment
  CAS-BOT-BC59053  Sedum spathulifolium John F. Emmel 1970-5-2 269 San Mateo South end of Milagra ridge, along and north of Sharp Park Road. 175 Comment
  CAS-BOT-BC59274  Sedum spathulifolium C. F. Baker 1902-5-27 3198 San Mateo Foothills near Stanford Cal Comment
  RSA0074737  Sedum spathulifolium R. F. Thorne, P. C. Everett 1963-6-9 32245 San Mateo On top of San Bruno Mountain. 335 Comment
  CAS-BOT-BC327388  Senecio aphanactis Fred Hemphill 1973-4-22 798 San Mateo North of Malabar Road adn Melendy Drive, San Carlos 207 Comment
  JROH1217  Senecio aronicoides John H. Thomas 1958-5-10 7163 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC363396  Senecio aronicoides Le Roy Abrams 1901-5-11 1612 San Mateo Colma Comment
  CAS-BOT-BC363736  Senecio hydrophilus Le Roy Abrams 1901-9-1 2220 San Mateo Menlo Park, borders of S.F. Bay Comment
  CAS-BOT-BC364636  Senecio vulgaris John H. Thomas 1956-12-23 6481 San Mateo At 198 Oak Court, Menlo Park Comment
  UCSC007780  Senecio vulgaris Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC80298  Sequoia sempervirens J. H. Thomas 1949-10-16 1141 San Mateo Along La Honda Creek, about 0.7 miles north of La Honda Comment
  UC813084  Sequoia sempervirens E. W. Rust 1908-3-28 154 San Mateo vicinity of Stanford University (King's Mountain Road, Redwood formation) 609 Comment
Read comments
Sep 22 2011
  CAS-BOT-BC243556  Setaria parviflora John Thomas Howell 1957-7-8 32805 San Mateo Holy Cross Cemetery Comment
  CDA2436  Setaria parviflora E. L. Labadie 1958-7-8 833 -58 San Mateo Redwood City. 0 Comment
  CDA6645  Sherardia arvensis D. G. Kelch 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  JROH3828  Sherardia arvensis John H. Thomas 1956-4-7 5611 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR119543  Sidalcea diploscypha L. S. Rose 1935-6-9 35211 San Mateo San Francisco Bay Region, Emerald Lake, west of Redwood City 84 Comment
  UC18913  Sidalcea malviflora subsp. laciniata J. Burtt Davy 1895-4-20 1024 San Mateo Millbrae Comment
  RSA18461  Sidalcea malviflora subsp. malviflora Carl B. Wolf 1927-6-29 547 San Mateo South of Pebble Beach near Pescadero. Comment
  RSA448203  Sidalcea malviflora subsp. malviflora Glenn A. Gorelick 1967-2-10 s.n. San Mateo San Bruno Mountains, overlooking Daly City near San Francisco. Comment
  POM282904  Sidalcea malviflora subsp. malviflora Lyman Benson 1931-4-26 2760 San Mateo Behind Stanford U., Brookside Park, Santa Cruz mtn range. 244 Comment
  JROH1731  Silene gallica John H. Thomas 1967-5-10 12861 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM286436  Silene gallica Lyman Benson 1930-5-3 2118 San Mateo Lake Searsville, Stanford Univ. San Francisco Bay watershed, Santa Cruz mtn range. 183 Comment
  CAS-BOT-BC386850  Silene gallica Javier Penalosa 1963-3-9 2696 San Mateo San Bruno Mountain. Ravine 1/2 mi. east of 1314ft. summit. 304 Comment
  CAS-BOT-BC386851  Silene gallica Walter Knight; Irja Knight 1965-4-4 s.n. San Mateo San Bruno Mountain. Bitter Cherry Ravine. Comment
  JROH1736  Silene gallica John Hunter Thomas 1981-5-14 20584 San Mateo Jasper Ridge Biological Preserve, Stanford University; near edge of lake below Searsville Lab Comment
  CAS-BOT-BC389195  Silene laciniata subsp. californica A. D. E. Elmer 1903-6-1 4446 San Mateo Crystal Springs Lake Comment
  JROH1729  Silene laciniata subsp. californica John Hunter Thomas 1989-6-17 24775 San Mateo Jasper Ridge Biological Preserve, Stanford University; near San Francisquito Creek Comment
  UC852949  Silene scouleri subsp. grandis Alice Eastwood 1912-6-10 328 San Mateo Millbrae Comment
  CAS-BOT-BC389892  Silene scouleri subsp. scouleri John H. Thomas 1961-8-27 9705 San Mateo San Bruno Mountain in northern part of county 396 Comment
  SD227685  Sisyrinchium bellum G. K. Helmkamp, E. A. Helmkamp 1998-5-16 3746 San Mateo Portola Valley: Golden Hills Rd along Los Trancos Creek. 106 Comment
  UC1206464  Sisyrinchium bellum LeRoy Abrams 1902-4-13 2327 San Mateo Lake San Andreas Comment
  UCR51647  Smilacina racemosa R. Ascanio 1988-4-17 s.n. San Mateo E on Gazo Creek Road off Hwy 1, c. 2 mi. north of Ano Nuevo State Reserve 85 Comment
  IRVC9074  Smilacina stellata var. sessilifolia P. W. Rundel 1962-4-12 1017 B San Mateo 1 mile East of Skyline Hwy on La Honda Rd. Comment
  UC73600  Solanum americanum Harley P. Chandler 1901-3-15 814 San Mateo w of Colma Comment
  UC733169  Solanum douglasii Roxana S. Ferris 1945-9-25 11106 San Mateo State Highway 1 n of Pedro Point Comment
  POM209654  Solanum douglasii D. D. Keck 1934-7-7 2970 San Mateo Ano Nuevo Point at Ano Nuevo Creek. Comment
  SEINET5571744  Solanum douglasii H. S. Gentry 1931-1 88 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  JEPS12100  Solanum furcatum W. L. Jepson 1923-10-15 10256 San Mateo hills w of colma ( vicinity of San Francisco Bay) Comment
  UC905073  Solanum furcatum Peter H. Raven 1950-4-16 1773 San Mateo on the outskirts of Colma 60 Comment
  CAS-BOT-BC166662  Solanum furcatum Peter Rubtzoff 1974-12-17 7941 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  CAS-BOT-BC157630  Solanum umbelliferum Lewis S. Rose 1934-2-10 34024 San Mateo Woodside Comment
  CAS-BOT-BC157631  Solanum umbelliferum B. 1902-1-15 234 San Mateo West side King's Mt. Comment
  CAS-BOT-BC58480  Solanum umbelliferum F. Hemphill 1973-3-17 616 San Mateo San Carlos. North of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC58482  Solanum umbelliferum R. C. Rollins 1941-3-16 2944 San Mateo E slope of Kings Mountain about 6 miles W of Woodside, Santa Cruz Mts. Comment
  JROH4184  Solanum umbelliferum Daniel Cohen 1953-4-11 22 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
  OBI9135  Solanum umbelliferum E. K. Balls 1948-3-19 7871 San Mateo Skyline Dr about 12 mi N of Santa Cruz 244 Comment
  POM280568  Solanum umbelliferum Arthur L. Cohen 1935-4-21 605 San Mateo Jasper Ridge. Stanford U. Santa Cruz Mt Range. Comment
  RSA3092  Solanum umbelliferum Carl B. Wolf 1931-8-21 2334 San Mateo 0.5 mi above east base of La Honda Grade; Santa Cruz Mts. 244 Comment
  UCR256294  Solidago canadensis subsp. elongata Peter Rubtzoff 1978-9-16 9271 San Mateo San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 213 Comment
  CAS-BOT-BC365192  Solidago velutina subsp. californica George Oberlander 1949-7-30 357 San Mateo San Francisco Watershed Reserve. Northern crest of Sawyer Ridge Comment
  JROH1236  Solidago velutina subsp. californica John Hunter Thomas 1989-6-17 24779 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC365924  Soliva sessilis W. R. Dudley 1895-6-6 s.n. San Mateo Santa Cruz Peninsula. Near Pescadero Creek Comment
  CAS-BOT-BC365928  Soliva sessilis John H. Thomas 1964-4-30 10351 San Mateo San Bruno Mountain in northern part of county 396 Comment
  JROH1244  Soliva sessilis John Hunter Thomas 1978-5-12 19202 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC365930  Soliva sessilis Walter Knight; Irja Knight 1967-5-16 s.n. San Mateo San Bruno Mountain. Randolph Ave., South San Francisco Comment
  CAS-BOT-BC365931  Soliva sessilis Walter Knight; Irja Knight 1964-5-19 626 San Mateo San Bruno Mountain. On N. Power Line Ridge Comment
  JROH1238  Soliva sessilis John H. Thomas 1955-5-6 5000 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
  CAS-BOT-BC374701  Sonchus oleraceus John H. Thomas 1963-5-20 10112 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  JROH1261  Sonchus oleraceus John H. Thomas 1970-7-5 15656 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET11681953  Spartina foliosa Unknown 1933-1 10528 San Mateo San Francisco Bay, Belmont Comment
  RSA65493  Spergula arvensis Mabel Peirson 1926-2-24 6520 San Mateo Moss Beach. Comment
  CAS-BOT-BC390007  Spergula arvensis Javier Penalosa 1963-2-23 2643 San Mateo San Bruno Mtn. Ravine south of Crocker Ave. 213 Comment
  JROH1761  Spergularia John Hunter Thomas 1983-4-3 21309 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lab Comment
  CAS-BOT-BC390204  Spergularia bocconi G. B. Rossbach; R. P. Rossbach 1940-6-20 737 San Mateo 1 mile south of Montara Point Comment
  JROH5559  Spergularia bocconi Herb Dengler 1965-4-18 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; top of Jasper Ridge on "road" about 150 feet out of blue oaks into meadow above Hodge Spring Comment
  RSA224264  Spergularia bocconi P. H. Raven 1954-5-16 6954 San Mateo Oceanic bluffs North of mouth of Lobos Creek. 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
  SJSU2302  Spergularia macrotheca C. W. Sharsmith 1950-4-16 6631 San Mateo near Pescadero Point near Pescadero Comment
  CAS-BOT-BC390453  Spergularia macrotheca var. macrotheca J. H. Thomas 1954-5-28 4245 San Mateo Guadalupe Valley, about 2 miles south of San Francisco - San Mateo County line 30 Comment
  CAS-BOT-BC390457  Spergularia macrotheca var. macrotheca John H. Thomas 1967-5-7 12833 San Mateo Pigeon Point. Altitude about sea level. Near lighthouse Comment
  CAS-BOT-BC390459  Spergularia macrotheca var. macrotheca G. B. Rossbach; R. P. Rossbach 1937-10-1 615 San Mateo Near Burlingame Comment
  CAS-BOT-BC390464  Spergularia macrotheca var. macrotheca R. Bacigalupi 1941-10-22 2743 San Mateo Very close to the San Francisco-San Mateo County Line Comment
  CAS-BOT-BC390475  Spergularia macrotheca var. macrotheca G. B. Rossbach; R. P. Rossbach 1937-11-25 608 San Mateo 3 mi. south of Half Moon Bay Comment
  RSA0098734  Spergularia villosa Lyman Benson 1930-6-14 2154 San Mateo San Gregorio. 30 Comment
  RSA107095  Stachys ajugoides L. S. Rose 1956-7-2 s.n. San Mateo Skyline Blvd. hills w. of San Mateo 183 Comment
  RSA446594  Stachys ajugoides E. A. Purer 1933-8-13 5425 San Mateo Santa Clara Valley, near Belmont. Comment
  RSA785891  Stachys ajugoides Peter Rubtzoff 1977-6-21 9067 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  HSC23911  Stachys bullata Mary Katherine Wicksten 1971-6-15 51 San Mateo Huddart Park near residence Comment
  NY415785  Stachys gracilenta A. A. Heller 1907-5-28 8574 San Mateo Above Crystal Springs on the Half Moon Bay road Comment
  SEINET13948132 Image available Stachys rigida Lewis S. Rose 1950-1 50139 San Mateo Emerald Lake region, alt ca 800 ft. hills W of Redwood City 244 Comment
  RSA152069  Stachys rigida subsp. quercetorum John H. Thomas 1961-5-12 9330 San Mateo San Bruno Mountain in northern part of county. 305 Comment
  CAS-BOT-BC164649  Stachys rigida subsp. quercetorum Peter Rubtzoff 1976-6-13 8636 San Mateo San Bruno Mountain. Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  JROH2894  Stachys rigida var. quercetorum John Hunter Thomas 1978-4-20 19089 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC5588  Stachys rigida var. quercetorum A. A. Heller 1907-5-28 8581 San Mateo Back of San Mateo on the Half Moon Bay road, about 3 miles beyond San Mateo 91 Comment
  UCD164106  Stachys rigida var. quercetorum Peter Rubtzoff; Elizabeth McClintock, Barbara Deutsch 1978-6-4 9202 San Mateo San Bruno Mountain. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  CAS-BOT-BC394060  Stellaria media Josephine D. Randall 1907-6-8 34 San Mateo Portola Valley; Santa Cruz Peninsula Comment
  JROH1782  Stellaria media John H. Thomas 1976-10-16 18417 San Mateo Jasper Ridge Biological Preserve, Stanford University; along or near San Francisquito Creek from the low flow crossing to the vicinity of the old fire place ruins downstream Comment
  CAS-BOT-BC375210  Stephanomeria elata John Thomas Howell 1939-10-8 15369 San Mateo Pt. San Pedro Comment
  JROH5319  Stipa lepida Duncan M. Porter 1960-4-22 649 A San Mateo Jasper Ridge Biological Preserve, Stanford University; meadow near crest of N-facing slope above Webb Ranch Comment
  JROH5327  Stipa lepida W. Lennihan 1989-4-6 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 9, halfway from lake to top. 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
  JROH5333  Stipa pulchra John H. Thomas 1963-3-20 10023 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU15947  Stipa pulchra John Rawlings, Ken Hickman 2016-5-26 1823 San Mateo Serpentine seep area up-slope from the Hwy 92 west onramp to Hwy 280 north; down-slope from San Francisco Watershed fence line 122 Comment
  SJSU7535  Stipa pulchra Lewis S. Rose 1963-4-27 63000 San Mateo Skyline Blvd W of San Mateo 91 Comment
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Oct 16 2013
  JROH5609  Stuckenia pectinata Ann Lambrecht, Paul Heiple 2008-8-6 45 B San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake. Comment
  CAS-BOT-BC423015  Stylomecon heterophylla Walter Knight; Irja Knight 1965-3-27 1017 San Mateo San Bruno Mountain. Devil's Gulch. Comment
  SEINET12265437  Symphoricarpos albus J. I. McMurphy 1906-1 75 San Mateo Santa Cruz Peninsula, Woodside, Santa Cruz Mts 152 Comment
  CAS-BOT-BC271646  Symphoricarpos albus var. laevigatus Josephine D. Randall 1907-7-23 28 San Mateo Near Crystal Springs Lake, Santa Cruz Peninsula Comment
  CAS-BOT-BC271650  Symphoricarpos albus var. laevigatus Elizabeth McClintock 1964-2-16 s.n. San Mateo Lowe part of Radio Road, San Bruno Mountain Comment
  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
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Sep 30 2011
  CAS-BOT-BC237066  Symphoricarpos mollis Phillip C. Wheeler 1965-4-27 s.n. San Mateo Live Oak Canyon, San Bruno Mountain Comment
  CAS-BOT-BC237070  Symphoricarpos mollis Fred Hemphill 1973-4-22 702 San Mateo Area north of Malabar Road and Melendy Drive, San Carlos 207 Comment
  CAS-BOT-BC237071  Symphoricarpos mollis Fred Hemphill 1973-4-22 790 San Mateo Area north of Malabar Road and Melendy Drive, San Carlos 207 Comment
  RSA152231  Symphoricarpos mollis I. L. Wiggins 1925-04 1651 San Mateo On Kings Mtn Rd 3/4 mile above Woodside. Comment
  CAS-BOT-BC344895  Symphyotrichum chilense Peter Rubtzoff 1975-9-11 8376 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. Comment
  CAS-BOT-BC99063  Symphyotrichum chilense Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountain - Dairy Ravine across road from KQED radio tower Comment
  UC1192068  Symphyotrichum chilense Malcolm A. Nobs and S. Galen Smith 1949-8-25 1571 San Mateo s of Rockaway Beach Comment
  UC912474  Symphyotrichum chilense Herbert L. Mason 1927-10-4 4130 San Mateo Mouth of Waddell Creek, Ano Nuevo Pt. Ano Nuevo Pt., Waddell Creek 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
  CAS-BOT-BC99064  Symphyotrichum chilense Peter Rubtzoff 1975-10-4 8416 San Mateo San Bruno Mountain - on ridge northwest of Fog Forest Comment
  CAS-BOT-BC99089  Symphyotrichum chilense Josephine D. Randall 1907-7-4 55 San Mateo Mills Lake near Stanford University - Santa Cruz Peninsula Comment
  JEPS81901  Symphyotrichum subspicatum Roger Raiche 1982-9-6 20719 San Mateo Northeast slope Montara Mt. Montara Mt. 243 Comment
  CAS-BOT-BC376917  Taraxacum officinale J. H. Thomas 1964-4-30 10337 San Mateo Near intersection of El Camino Real and F St., Colma Comment
  JROH3001  Taraxia ovata John H. Thomas 1971-4-10 15761 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH376  Tauschia kelloggii Toni Corelli 2004-3-24 268 San Mateo Jasper Ridge Biological Preserve, Stanford University. Area H 167 Comment
  OBI48850  Tauschia kelloggii Lewis S. Rose 1939-5-5 39092 San Mateo San Mateo Cyn 46 Comment
  UC306535  Tauschia kelloggii A. D. E. Elmer April, 1903 4928 San Mateo Crystal Springs Lake Comment
  UC875689  Tauschia kelloggii Lewis S. Rose 1939-5-5 39092 San Mateo San Mateo Canyon 45 Comment
  RSA262237  Tauschia kelloggii John H. Thomas 1971-5-2 15857 San Mateo About 4 miles SW of center of Redwood City; near intersection of Canada and Edgewater roads. 305 Comment
  CAS-BOT-BC447478  Tellima grandiflora W. R. Dudley 1900-3-17 s.n. San Mateo Ravine, north of Seal Cove Comment
  CAS-BOT-BC447485  Tellima grandiflora Peter Rubtzoff 1953-5-14 1341 San Mateo Pilarcitas Creek canyon 1 to 2 miles downstream from Pilarcitas Lake Comment
  UCD39286  Tetragonia expansa B. Crampton 1962-6-11 6517 San Mateo Pacifica, Rockaway Beach, State Hwy. 1. Comment
  UC766175  Tetragonia tetragonoides R. F. Hoover 1941-2-12 4754 San Mateo Half Moon Bay Comment
  CAS-BOT-BC438266  Tetragonia tetragonoides J. H. Thomas 1963-8-4 10239 San Mateo Just north of Pigeon Pt. Light House. Comment
  CAS-BOT-BC438270  Tetragonia tetragonoides Lewis S. Rose 1930-12-21 s.n. San Mateo Moss Beach Comment
  CAS-BOT-BC438271  Tetragonia tetragonoides Saichi Kawahara 1969-12-3 1739 San Mateo Mouth of Ana [Ano] Nuevo Creek Comment
  CAS-BOT-BC399845  Thalictrum polycarpum W. R. Dudley 1900-3-18 s.n. San Mateo Santa Cruz Peninsula. Northwest of San Andreas Reservoir Comment
  CAS-BOT-BC399854  Thalictrum polycarpum Josephine D. Randall 1908-5-1 s.n. San Mateo Santa Cruz Peninsula. Corte de Madera Canon [Canyon] near Alpine Road Comment
  CDA3888  Thlaspi arvense W. Davis 1967-4-24 San Mateo Southern Pacific Railroad, San Mateo. 0 Comment
  CAS-BOT-BC66667  Thysanocarpus curvipes John H. Thomas 1972-4-1 16044 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  JROH1596  Thysanocarpus curvipes John Hunter Thomas 1982-4-4 20819 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH1613  Thysanocarpus curvipes John Hunter Thomas 1987-4-7 24171 San Mateo Jasper Ridge Biological Preserve, Stanford University; below Searsville Dam Comment
  JROH1615  Thysanocarpus curvipes John Hunter Thomas 1988-4-2 24358 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  CAS-BOT-BC447580  Tiarella trifoliata var. unifoliata Josephine D. Randall 1907-7-28 372 San Mateo Santa Cruz Peninsula: Iverson's near Peters Creek Comment
  CAS-BOT-BC447581  Tiarella trifoliata var. unifoliata L. R. Abrams 1907-8-26 s.n. San Mateo Spring near King's 762 Comment
  JROH398  Torilis nodosa John Hunter Thomas 1986-5-17 24047 San Mateo Jasper Ridge Biological Preserve, Stanford University; dam to Rattlesnake Rock Comment
  CAS-BOT-BC81494  Torreya californica W. R. D. 1895-3-26 s.n. San Mateo La Honda Comment
  RSA386599  Toxicodendron diversilobum Glenn A. Gorelick 1967-4-15 s.n. San Mateo San Bruno Mountains, overlooking Daly City near San Francisco. Comment
  JROH5898  Toxicodendron diversilobum M. Ray 1982-5-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; trailside south of Searsville Lake Comment
  JROH4756  Toxicoscordion fremontii John H. Thomas 1971-4-10 15760 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4758  Toxicoscordion fremontii John H. Thomas 1973-4-14 16553 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC377136  Tragopogon porrifolius W. R. Dudley 1897-5-12 s.n. San Mateo Santa Cruz Peninsula. On road from Bay to Menlo Park Comment
  JROH3397  Trientalis latifolia John Hunter Thomas 1985-4-22 23542 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2227  Trifolium albopurpureum John Hunter Thomas 1980-4-10 19868 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA634967  Trifolium albopurpureum Michael A. Vincent, Ethan H. Freid, Karl Vincent 1998-4-9 8202 San Mateo Along east side of Canada Road, ca. 200 yards southeast of its junction with Edgewood Road, just southwest of I-280, at Filoli Center. Comment
  UC518035  Trifolium albopurpureum var. albopurpureum Lewis S. Rose 1933-5-17 33172 San Mateo Redwood City 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
  POM20401  Trifolium barbigerum A. D. E. Elmer 1903-04 4859 San Mateo Lake San Andreas Comment
  JROH2235  Trifolium barbigerum Le Roy Abrams 1904-5-5 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC630933  Trifolium depauperatum var. depauperatum P. B. Kennedy 1928-5-2 10098 San Mateo e Daly city (hills) Comment
  JROH2265  Trifolium depauperatum var. truncatum Arthur Spiegler 1952-5-10 79 San Mateo Jasper Ridge Biological Preserve, Stanford University; above Searsville Lake Comment
  JROH2233  Trifolium dichotomum John H. Thomas 1975-4-19 17797 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM88138  Trifolium dichotomum L. R. Abrams 1902-5-4 2420 San Mateo Woodside- Serpentine Hills Comment
  UCR101649  Trifolium dubium George K. Helmkamp, E. A. Helmkamp 1998-5-16 3744 San Mateo Portola Valley, Golden Hills Rd along Los Trancos Creek 107 Comment
  JROH2291  Trifolium fucatum John H. Thomas 1974-4-25 17204 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge Comment
  JROH2306  Trifolium fucatum John Hunter Thomas 1989-5-9 24699 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2312  Trifolium glomeratum Ann Lambrecht 2006-4-21 23 San Mateo Jasper Ridge Biological Preserve, Stanford University; roadside, N side of Road A, in old seven acre lease lot Comment
  SJSU659  Trifolium grayi J. E. Hagerty 1950-5-20 San Mateo Pescadero Comment
  JROH2330  Trifolium hirtum John Hunter Thomas 1988-6-2 24498 San Mateo Jasper Ridge Biological Preserve, Stanford University; beach Comment
  SBBG39488  Trifolium hirtum L. S. Rose 1970-4-23 San Mateo Skyline Blvd, W of San Mateo 121 Comment
  SJSU15443  Trifolium macraei Toni Corelli 2010-5-13 601 San Mateo Pedro Point Headlands, Pacifica, CA, along South Ridge Trail 180 Comment
  UC165602  Trifolium macraei J. Burtt Davy 1895-1 1076 San Mateo Pilarcitos Comment
  UC202836  Trifolium macraei A. D. E. Elmer May, 1903 4713 San Mateo Lake Merced Comment
  JROH5840  Trifolium microcephalum Monika Bjorkman 1956-4-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; northeast of Escobar Gate Comment
  POM20503  Trifolium microdon A. D. E. Elmer 1903-06 4628 San Mateo Portola. Comment
  POM278622  Trifolium oliganthum Lyman D. Benson 1935-5-5 6525 San Mateo Lake Searsville. Stanford University. Santa Cruz Mtn range. S.F. Bay watershed. 152 Comment
  JROH2377  Trifolium variegatum John H. Thomas 1961-4-8 9070 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA349594  Trifolium variegatum var. melananthum L. S. Rose 1937-5-2 37251 San Mateo Burlingame 91 Comment
  RSA119330  Trifolium variegatum var. variegatum S. S. Tillett, I. Sternbacback 1956-6-24 538 San Mateo Behind (n.) Portola Camp Store, just outside Portola State Park 396 Comment
  JROH2394  Trifolium willdenovii John H. Thomas 1955-5-6 5008 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2404  Trifolium willdenovii John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM88144  Trifolium willdenovii L. R. Abrams 1902-4-13 2319 San Mateo San Andreas Lake. Comment
  SJSU1077  Trifolium willdenovii C. W. Sharsmith 1951-4-7 5828 San Mateo Woodside Hills, 3 mi W of Woodside 182 Comment
  CDA28299  Trifolium willdenovii T. C. Fuller 1967-6-13 15942 San Mateo Half Moon Bay Harbor, north edge of the town of Half Moon Bay. 0 Comment
  UCSC006033  Trifolium willdenovii Randall Morgan 1996-5-24 2967 San Mateo Pacifica, San Pedro Mt. Comment
  JROH4724  Trillium chloropetalum John H. Thomas 1971-4-3 15747 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  SD27761  Trillium chloropetalum Carl B. Wolf 1927-2-27 228 San Mateo I(c) mile inland from Pescadero. 14 Comment
  SEINET5577479  Trillium chloropetalum H. S. Gentry 1931-1 1 San Mateo Collected 1.5 miles west of San Mateo, Half-moon Bay road. Comment
  RSA176413  Trillium chloropetalum var. chloropetalum John H. Thomas 1964-4-19 10330 San Mateo Jasper Ridge Biological experimental area, 5 miles SW of Palo Alto. 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-BC521208  Trillium chloropetalum var. giganteum Ira L. Wiggins 1928-4-14 2917 San Mateo Alpine Creek Road Comment
  CAS-BOT-BC133446  Trillium ovatum J. H. Thomas 1949-3-29 190 San Mateo King's Mountain Comment
  UC1134678  Trillium ovatum N. K. Carlson 1935-7-3 115 San Mateo 3 mi. s. Bellvale; Santa Cruz Quad. Comment
  CDA39373  Trillium ovatum T. C. Fuller 1960-4-2 4081 San Mateo La Honda Rd., 1 mile north of La Honda. 0 Comment
  CAS-BOT-BC238556  Triphysaria floribunda A. D. E. Elmer 1903-4-1 4522 San Mateo South San Francisco Comment
  CAS-BOT-BC238572  Triphysaria floribunda C. F. B. 1902-3-22 346 San Mateo South San Francisco Comment
  JEPS3988  Triphysaria pusilla Dr. L. M. Newlon 1919-4-14 4 San Mateo Moss Beach 22 Comment
  JROH4139  Triphysaria pusilla John H. Thomas 1974-4-13 17154 San Mateo Jasper Ridge Biological Preserve, Stanford University; Westridge end of ridge Comment
  JEPS17983  Triphysaria versicolor subsp. versicolor George B. Rossbach 1955-5-29 482 San Mateo Ano Nuevo Point; sw San Mateo County 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
  JROH5911  Triteleia hyacinthina J. Nordby 1982-4-25 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Serpentine grassland along roadside, near oak woodlands Comment
  CAS-BOT-BC523098  Triteleia ixioides subsp. ixioides David D. Keck 1940-5-19 5047 San Mateo Santa Cruz Mountains, east flank, above Woodside and Searsville Lake on La Honda Road 300 Comment
  RSA18364  Triteleia ixioides subsp. ixioides Carl B. Wolf 1929-5-24 3724 San Mateo 1/4 mile north of base of La Honda Grade on Woodside road Comment
  IRVC9054  Triteleia laxa P. W. Rundel 1963-6-11 1118 San Mateo San Fransisco Bay drainage area; Old La Honda Road. Santa Cruz Mountain Range 305 Comment
  CAS-BOT-BC74056  Turritis glabra Art Menzies; Barbara Menzies 1965-3-14 s.n. San Mateo San Bruno Mountain. South Power Line Ridge. Comment
  JROH5534  Typha angustifolia John H. Thomas 1973-6-15 16852 San Mateo Jasper Ridge Biological Preserve, Stanford University. By dam in Searsville Lake. Comment
  POM282155  Typha angustifolia Lyman Benson 1931-5-16 2802 San Mateo San Mateo. 91 Comment
  UCD94642  Typha angustifolia H. A. Borthwick 1925-6-15 1965 San Mateo Mud Lake, Stanford. Comment
  CAS-BOT-BC213100  Ulex europaeus J. H. Thomas 1961-5-7 9322 San Mateo San Bruno Mountain in northern part of county Comment
  JROH5760  Ulex europaeus John Rawlings, Bob Dodge 2016-3-1 1676 San Mateo Jasper Ridge Biological Preserve, Stanford University; hidden in plain view adjacent to the Bike Bowl 50 m west of Sun Field Station visitor parking. Comment
  RSA563837  Ulex europaeus Don Pendleton 1993-10-28 s.n. San Mateo San Bruno Mountain State/County Park, 0.3 mi. E. of the park gate/parking lot on Guadalupe Canyon Park. 300 Comment
  CAS-BOT-BC91226  Umbellularia californica Elizabeth McClintock 1969-3-9 s.n. San Mateo San Bruno Mountains. In Gladys Canyon, south of Brisbane. Comment
  JEPS121560  Umbellularia californica Adam C. Schneider with C. Matt Guilliams 2013-3-9 39 San Mateo Crystal Springs Reservoir Comment
  JROH145  Umbellularia californica John H. Thomas 1984-10-22 23488 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM50398  Umbellularia californica L. R. Abrams, W. W. Eggleston 1924-3-23 19565 San Mateo Coast Range, near Palo Alto. 60 Comment
  RSA15629  Umbellularia californica C. B. Wolf 1928-2-11 1471 San Mateo East base of Kings Mt. road. Comment
  JROH1295  Uropappus lindleyi John Hunter Thomas 1988-5-3 24443 San Mateo Jasper Ridge Biological Preserve, Stanford University; powerline draw Comment
  CAS-BOT-BC403971  Urtica dioica subsp. gracilis Roxana S. Ferris 1920-4-26 1965 San Mateo Santa Cruz Mountain Peninsula. Near mouth of canyon of Pescadero Creek 243 Comment
  CAS-BOT-BC403970  Urtica dioica subsp. gracilis Dennis W. Woodland 1970-8-14 1624 San Mateo At Stage Road and Seaside School Road on NE corner Comment
  CAS-BOT-BC404028  Urtica dioica subsp. holosericea Walter Knight; Irja Knight; Elizabeth McClintock 1964-9-11 752 San Mateo San Bruno Mountain. Guadalupe Creek Comment
  POM580641  Urtica urens Lyman D. Benson 1935-5-12 6548 San Mateo Menlo Park 30 Comment
  CAS-BOT-BC199357  Vaccinium ovatum Reed C. Rollins 1942-4-30 3003 San Mateo S.E. slope of San Bruno Hills, about 1 mile west of Brisbane Comment
  CAS-BOT-BC199364  Vaccinium ovatum Elizabeth McClintock 1972-4-23 s.n. San Mateo San Bruno Mountain Comment
  CAS-BOT-BC199368  Vaccinium ovatum James McMurphy 1902-3-22 s.n. San Mateo Above Portola Comment
  RSA15307  Vaccinium ovatum C. B. Wolf 1927-4-3 277 San Mateo 1 mi. west of Summit of La Honda grade, Santa Cruz Mts. Comment
  RSA187267  Vaccinium ovatum W. R. Dudley 1898-3-5 s.n. San Mateo King's Mountain. Comment
  SD38450  Vaccinium ovatum Edith A. Purer 1933-5-24 3642 San Mateo Skyline Boulevard. Comment
  SEINET11972531  Vaccinium ovatum G. A. McCallum 1933-1 s.n. San Mateo near La Honda grade Comment
  RSA112363  Vaccinium parvifolium W. R. Dudley 1903-5-2 s.n. San Mateo Iverson's, Pescadero Creek. Comment
  JROH4256  Verbena bonariensis Carol Zabel 2006-8-21 63 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4258  Verbena lasiostachys var. lasiostachys John H. Thomas 1971-5-30 15975 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC450179  Verbena lasiostachys var. lasiostachys W. C. Blasdale 1893-6-23 San Mateo Pilarcitos Comment
  JROH4276  Verbena lasiostachys var. scabrida John H. Thomas 1974-10-26 17626 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4281  Verbena lasiostachys var. scabrida John Hunter Thomas 1983-6-2 22325 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near the low-flow crossing Comment
  POM283785  Veronica peregrina subsp. xalapensis Lyman D. Benson 1930-5-3 2119 San Mateo Lake Searsville, Stanford Univ. San Francisco Bay watershed, Santa Cruz mtn range. 183 Comment
  JROH4154  Veronica persica John Hunter Thomas 1983-4-20 21535 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing Comment
  UC2049896  Vicia americana subsp. americana H. W. Johansen 1958-5-18 22 San Mateo Coast Hwy 1, S of Pescadero Comment
  JROH2427  Vicia benghalensis John Hunter Thomas 1977-6-16 18797 -2 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD2655  Vicia cracca Ulysses S. Grant IV 1925-6-4 San Mateo Burlingame Comment
  SFV4290  Vicia gigantea J. Turner, F. M. Ball 1962-7-7 s. n. San Mateo Highway 1, almost 10 miles north of Santa Cruz County line Open roadside. 30 Comment
  CAS-BOT-BC173652  Vicia sativa Peter Rubtzoff 1976-5-22 8552 San Mateo Saddle area on N side of Guadalupe Canyon Parkway west of Radio Road junction, near marshy area NW of Fog Forest Comment
  JROH2433  Vicia sativa subsp. nigra John H. Thomas 1965-4-10 10559 San Mateo Jasper Ridge Biological Preserve, Stanford University; near west end of Searsville Dam Comment
  SJSU1012  Vicia sativa subsp. nigra J. E. Hagerty 1950-5-16 San Mateo Stanford Village Comment
  UCR123141  Vicia sativa subsp. sativa George K. Helmkamp, E. A. Helmkamp 2001-6-2 6765 San Mateo Central Coast, Pillar Point Harbor, about 4 miles north of Half Moon Bay 6 Comment
  JROH5827  Vicia tetrasperma Ann Lambrecht 2012-6-2 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; ~ 50 meters north of Preserve main gate between roads H and C (Sector 29 E1 or E2) 118 Comment
  UCD108798  Vicia tetrasperma G. K. Helmkamp; E. A. Helmkamp 2001-6-2 6769 San Mateo Central CA coast: Purissima Road. E of Half Moon Bay, 1.9 miles E of CA-1. 168 Comment
  UC729850  Vicia villosa subsp. varia Carl B. Wolf 1929-5-27 3737 San Mateo back of Stanford University (Los Trancos Creek); Los Trancos Creek Comment
  CDA5531  Vinca major T. C. Fuller 1960-4-2 4065 San Mateo Skyline Boulevard, Woodside. 0 Comment
  CAS-BOT-BC264036  Viola adunca W. R. Dudley 1894-3-28 s.n. San Mateo Near Pebble Beach, Pescadero Comment
  CAS-BOT-BC264046  Viola adunca Alice Eastwood 1914-3-12 3754 San Mateo San Bruno Hills Comment
  CAS-BOT-BC264050  Viola adunca Roxana S. Ferris 1920-4-26 1978 San Mateo Road above Lagoon and mouth of Arroyo de Los Frijoles 30 Comment
  CAS-BOT-BC264051  Viola adunca Roxana S. Ferris 1920-3-8 1767 San Mateo Montara Mountains, vicinity of South Peak 518 Comment
  JEPS50209  Viola adunca W. I. Follett 1934-2-18 2 San Mateo 9/10 mi s of Pigeon Point (along Said Highway) Comment
  LA209918  Viola adunca Ira L. Wiggins; 1931-2-21 5091 a San Mateo Pescadero Beach Comment
  UC1121562  Viola adunca A. E. Wieslander 1935-2-3 507 San Mateo 1/2 mi se of Pigeon Point 30 Comment
  POM128420  Viola ocellata L. R. Abrams 1902-3-16 2276 San Mateo Kings Mountain. Comment
  RSA130815  Viola ocellata M. N. paulson 1917-04 s.n. San Mateo Kings Mt Road. Comment
  UCR64473  Viola ocellata David D. Keck 1932-6-1 1495 San Mateo Coast Range; Santa Cruz Mtns, above Woodside on La Honda road 366 Comment
  JEPS50440  Viola ocellata James G. Daly 1934-1 210 San Mateo Branch of La Honda Canyon; Santa Cruz Mountains Comment
  UC74937  Viola pedunculata C. F. Baker 1902-3-22 347 San Mateo South San Francisco Comment
  SEINET191584 Image available Viola pedunculata L. S. Rose 1941-3-20 41047 San Mateo Milbrae 122 Comment
  UC19358  Viola sempervirens Kellogg 1870-5-19 San Mateo San Gregoria Creek Comment
  RSA130690  Viola sempervirens W. R. Dudley 1894-7-7 s.n. San Mateo Bear Gulch Road. The Santa Cruz Mtn Peninsula. Comment
  SEINET5729332 Image available Viola sempervirens Franklin Martin, Madelain Martin 1960-1 55 San Mateo YMCA camp, 10 miles east of Pescadero.; Pescadero 152 Comment
  CAS-BOT-BC210156  Vulpia bromoides Peter Rubtzoff 1975-5-21 7967 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  UCD165022  Vulpia bromoides Peter Rubtzoff 1975-5-21 7967 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC185990  Vulpia myuros var. myuros Margaret Barry 1937-5-15 95 San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC185991  Vulpia myuros var. myuros Javier Penalosa 1963-3-9 2688 San Mateo Ravine 1/2 mi. east of 1314ft. summit. San Bruno Mountain 304 Comment
  JROH8  Woodwardia fimbriata Toni Corelli 2006-6-28 314 A San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 13, lake side of Leonard's bridge 106 Comment
  POM22189  Woodwardia fimbriata C. F. Baker 1902-3-18 330 San Mateo King s Mountain Comment
  CAS-BOT-BC383207  Wyethia angustifolia W. R. Dudley 1896-4-18 s.n. San Mateo Santa Cruz Peninsula. Pebble Beach Pasture, Pescadero Comment
  JROH1303  Wyethia angustifolia John H. Thomas 1974-4-25 17209 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville end of ridge Comment
  JROH1305  Wyethia angustifolia John Hunter Thomas 1980-5-8 19951 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC74922  Wyethia angustifolia C. F. Baker 1902-4-4 449 San Mateo Crystal Springs Lake Comment
  RSA181295  Wyethia glabra John H. Thomas 1965-4-16 10568 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles SW of Palo Alto. NW end of Ridge. Comment
  JROH414  Yabea microcarpa John Hunter Thomas 1981-5-5 20543 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC456129  Zannichellia palustris W. R. Dudley 1909-10-10 s.n. San Mateo Santa Cruz Mountain Peninsula. In Crystal Springs Reservoir, N.W. of Club House Comment
  SD73207  Zeltnera davyi Darley F. Howe 1969-6-10 4641 San Mateo 18.5 miles north of San Mateo-Santa Cruz County line. Comment
  JROH2552  Zeltnera muehlenbergii John H. Thomas 1967-11-5 14134 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC532626  Zigadenus fremontii Le Roy Abrams 1902-4-13 2335 San Mateo Crystal Springs Lake Comment



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