Search Results — 2000 specimen records retrieved (1314 records with coordinates)
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Results for search: County=SAN MATEO; Source=All;   

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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)
 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA0025943  Abronia umbellata C. F. Baker 1902-10-1 1742 San Mateo Pillar Point. Comment
  UC311537  Acanthomintha duttonii A. D. E. Elmer May, 1903 4538 San Mateo Crystal Springs Lake Comment
  RSA0076543  Acanthomintha obovata subsp. duttonii Harry A. Dutton, Harriet Ann Walker 1915-5-26 3819 San Mateo Near the Menlo Golf Club. Comment
  CAS-BOT-BC333211  Acer macrophyllum Ira L. Wiggins 1925-4-1 1687 San Mateo First bridge across small creek on Kings Mountain Road above Woodside Comment
  SD41293  Acer macrophyllum Delzie Demaree 1932-4-9 8984 San Mateo Streams near Gov. Rolph Estate Comment
  CAS-BOT-BC336920  Acer negundo var. californicum George Oberlander 1949-4-30 117 San Mateo San Francisco Watershed Reserve, east boundry Comment
  CAS-BOT-BC344838  Achillea millefolium Peter Rubtzoff 1977-6-21 9065 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. Comment
  JEPS28872  Achillea millefolium V. F. Hesse 1962-7-19 3165 San Mateo Pescadero Beach 4 Comment
  CAS-BOT-BC21594  Achillea millefolium Elizabeth McClintock 1972-4-23 s.n. San Mateo San Bruno Mountain, above Fern Rock Comment
  CAS-BOT-BC21599  Achillea millefolium Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountain. Colma Canyon. Comment
  CAS-BOT-BC28765  Achillea millefolium Elizabeth McClintock; Paul Reeberg 1998-5-31 s.n. San Mateo San Bruno Mountains, in a hydroseeded area east of Carter Street Comment
  UCD128300  Achillea millefolium Leslie Fenster 1964-3-22 15 San Mateo near Crystal Spring Lake. 152 Comment
  CAS-BOT-BC29100  Achyrachaena mollis David D. Keck 1932-5-6 1484 San Mateo Hills just west of Millbrae Highlands 120 Comment
  CAS-BOT-BC29102  Achyrachaena mollis Elizabeth McClintock 1978-4-24 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  JROH2066  Acmispon americanus var. americanus John Hunter Thomas 1992-7-24 25393 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU15407  Acmispon glaber var. glaber Toni Corelli 2010-5-13 610 San Mateo Pedro Point Headlands, Pacifica CA; off of South Ridge Road Trail 195 Comment
  JROH2083  Acmispon wrangelianus John H. Thomas 1955-5-6 4991 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2091  Acmispon wrangelianus John H. Thomas 1961-4-8 9075 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU15213  Acmispon wrangelianus Toni Corelli 2012-4-13 800 San Mateo Pigeon Point Light Station, north of light station, bluff top west of Pigeon Point Road 8 Comment
  SEINET5537616  Aconitum columbianum H. S. Gentry 1931-1 76 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  SEINET10573362  Actaea rubra Ernest A. McGregor McGregor s.n. San Mateo Santa Cruz Mountain Peninsula 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-BC139954  Adenostoma fasciculatum Ned Cahill 1974-6-21 332 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC139957  Adenostoma fasciculatum L. S. Rose 1941-6-12 41270 San Mateo Emerald Lake, hills west of Redwood City 120 Comment
  RSA112393  Adenostoma fasciculatum var. fasciculatum W. R. Dudley 1895-6-14 s.n. San Mateo Top of ridge near Searsville Dam. Comment
  JEPS59980  Adiantum aleuticum John D. Daly 1934-1 432 San Mateo upper Corte de Madera Canyon Corte de Madera Canyon 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
  UC42038  Adiantum jordanii F. P. McLean 1873-1 San Mateo Pescadero Comment
  JROH2705  Aesculus californica Daniel Cohen 1953-4-11 27 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2710  Aesculus californica John H. Thomas 1975-6-5 17946 San Mateo Jasper Ridge Biological Preserve, Stanford University. Oakwoodland below Searsville Dam. 86 Comment
  RSA131267  Aesculus californica Deborah Hichborn 1920-5-20 s.n. San Mateo San Francisquito Creek. Santa Cruz Mountain Peninsula. Comment
  RSA14803  Aesculus californica Forrest Shreve 1934-6-24 6755 San Mateo Jasper Ridge, W of Palo Alto. Comment
Read comments Sep 19 2011
  JEPS19378  Agoseris apargioides Rimo Bacigalupi and L. R. Heckard, Tsan-Iang Chuang 1937-4-11 73 San Mateo along, (s of San Francisco) Skyline Boulevard; San Francisco Comment
  UC206220  Agoseris apargioides var. apargioides Katharine Brandegee 1917-6-15 San Mateo Moss Beach Moss Beach Comment
  RSA18512  Agoseris grandiflora C. B. Wolf 1927-7-14 608 San Mateo Summit of Kings Mountain Rd. 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-BC46173  Agoseris heterophylla John H. Thomas 1971-5-2 15816 San Mateo Near intersection of Canada Road and Edgewater [sic]Road, about three miles westward from Redwood City 152 Comment
  CAS-BOT-BC15237  Agoseris hirsuta George Oberlander 1950-6-3 1023 -A San Mateo near San Andreas Lake, San Francisco Watershed Reserve 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
  POM207320  Agrostis densiflora E. B. Copeland 1903-8-13 3308 San Mateo Montara Point. Comment
  JROH5649  Agrostis exarata John Rawlings 2014-5-28 12461246 San Mateo Jasper Ridge Biological Preserve, Stanford University; dry creek bed of San Francisquito Creek at the Dennis Martin site. 71 Comment
  JROH5781  Agrostis microphylla John Rawlings 2016-5-3 1777 San Mateo Jasper Ridge Biological Preserve, Stanford University; vernally wet area in Serpentine prairie (Area C) 170 Comment
  SEINET3127762  Agrostis microphylla L. Abrams 1902-5-11 2458 San Mateo Crystal Springs Comment
  CAS-BOT-BC138951  Agrostis pallens W. Knight; I. Knight 1964-5-4 s.n. San Mateo San Bruno Mountain. Colma Canyon, south ridge. Comment
  JROH4789  Agrostis pallens John H. Thomas 1971-5-30 15964 San Mateo Jasper Ridge Biological Preserve, Stanford University 128 Comment
  JROH4792  Agrostis pallens John Rawlings 2010-6-23 1104 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along fenceline 150 yards downhill from Escobar Gate. 157 Comment
  JROH4795  Agrostis pallens John Rawlings 2011-10-7 1102 San Mateo Jasper Ridge Biological Preserve, Stanford University. Just inside Escobar gate south of Road F and east of the gate near the fenceline. 160 Comment
  JROH4800  Agrostis pallens John Rawlings 2010-6-23 0989 San Mateo Jasper Ridge Biological Preserve, Stanford University; between old well and Escobar Gate on Trail 2 extension 121 Comment
  JROH4806  Agrostis stolonifera John Rawlings 2008-7-23 1046 San Mateo Jasper Ridge Biological Preserve, Stanford University. Dry creek bed of San Francisquito Creek, about 200 yards downstream from the Low Flow Crossing. 95 Comment
  CAS-BOT-BC138250  Aira caryophyllea var. caryophyllea John H. Thomas 1961-5-23 9455 San Mateo Portola State Park, near junction of Peters and Pescadero Creeks. 152 Comment
  CAS-BOT-BC445395  Alisma plantago-aquatica Roxana S. Ferris 1920-9-3 2045 San Mateo Second Mud Lake, Coal Mine Ridge, Santa Cruz Mountains Comment
  JROH4303  Alisma triviale Carol Zabel 2006-4-19 56 San Mateo Jasper Ridge Biological Preserve, Stanford University; off first bridge on Trail 12 (end of Road E), northeast side of bridge Comment
  JROH4569  Allium John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4546  Allium amplectens John Hunter Thomas 1989-5-11 24731 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU1085  Allium dichlamydeum C. W. Sharsmith 1951-4-6 5822 San Mateo Woodside Hills, 3 mi W of Woodside 182 Comment
  CAS-BOT-BC467295  Allium dichlamydeum J. Ed. McClellan; Bonnie McClellan 1968-6-1 s.n. San Mateo Ocean bluff at Pigeon Point Comment
  JROH4550  Allium falcifolium John H. Thomas 1957-4-16 6662 San Mateo Jasper Ridge Biological Preserve, Stanford University. Open serpentine area on top of ridge and adjacent slopes Comment
  CAS-BOT-BC471099  Allium lacunosum var. lacunosum Lewis S. Rose 1932-5-1 s.n. San Mateo Emerald Lake Comment
  CAS-BOT-BC132031  Allium peninsulare var. franciscanum L. R. Abrams 1920-6-2 7502 San Mateo Back of Redwood City Comment
  CAS-BOT-BC132033  Allium peninsulare var. franciscanum A. D. E. Elmer 1903-6-1 4595 San Mateo San Mateo Comment
  RSA176772  Allium peninsulare var. franciscanum D. E. Breedlove 1963-5-13 4942 San Mateo SE corner of the jct. of Crystal Springs Road and Polhemus Road, west of San Mateo Comment
  SEINET5626583 Image available Allocarya chorisiana Unknown 1907-1 8439 San Mateo Near Lake Merced Comment
  CAS-BOT-BC170159  Alnus rhombifolia James McMurphy 1902-5-11 s.n. San Mateo San Francisquito Creek, near Stanford University Comment
  JROH1326  Alnus rhombifolia John H. Thomas 1971-5-30 15981 San Mateo Jasper Ridge Biological Preserve, Stanford University; along creek, below dam Comment
  CAS-BOT-BC169346  Alnus rubra Lewis S. Rose 1955-11-7 55189 San Mateo Tunitas stream banks 30 Comment
  UC5355  Alnus rubra J. Burtt Davy 1895-4-21 1062 San Mateo Pilarcitos Creek Comment
  LA206319  Alopecurus saccatus D. Keck; 1932-5-6 1472 San Mateo Burlingame, N city limits Comment
  UC1108513  Alopecurus saccatus James McMurphy 1906-5-8 San Mateo pond near head of Crystal Springs Lakes Comment
  SD255621  Amaranthus deflexus A. C. Sanders 2015-12-27 41888 San Mateo San Francisco Peninsula: San Bruno, along Hwy 82 between 380 Fwy and San Bruno Ave (San Francisco South 7.5'Q) 14 Comment
  SJSU15405  Amaranthus spinosus Toni Corelli 2011-8-25 710 San Mateo Ano Nuevo State Park, along Hwy. 1 south of main entrance 29 Comment
  SEINET11855119  Ambrosia chamissonis E. H. Graham 1931-1 6941 San Mateo Ano Nuevo Pt. S of San Francisco Comment
  RSA416938  Ambrosia chamissonis var. chamissonis D. D. Keck 1931-10-5 1285 San Mateo 1 mile north of Salada Beach, 200 meters from the ocean. Comment
  CAS-BOT-BC136830  Amelanchier utahensis Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo Horseshoe Ridge Comment
  SD41381  Ammophila arenaria Edith A. Purer 1933-7-27 5390 San Mateo Open sand dune area, two miles south of Pigeon Point. Comment
  HSC3512  Amsinckia intermedia R. S. White 1965-3-17 4 San Mateo 3 mi. W of the Stanford Golf Course on Sand Hill Rd. Comment
  RSA0089685  Amsinckia intermedia G. Oberlander 1949-5-21 151 San Mateo Top of Cahill Ridge, San Francisco Watershed Reserve. Comment
  JROH1346  Amsinckia menziesii John H. Thomas 1967-6-1 12950 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1350  Amsinckia menziesii John Hunter Thomas 1987-4-4 24169 San Mateo Jasper Ridge Biological Preserve, Stanford University; below Searsville Dam Comment
  UC178881  Anaphalis margaritacea Katharine Brandegee 1913-8-11 San Mateo Tobin Comment
  POM176875  Anemone grayi W. R. Dudley 1894-3-26 s.n. San Mateo Redwoods beyond King's Mt. House Comment
  RSA84449  Anemone grayi H. L. Mason 1927-4-24 3698 San Mateo La Honda Comment
  CAS-BOT-BC273181  Anisocarpus madioides Josephine D. Randall 1907-6-29 91 San Mateo Santa Cruz Peninsula. Portola Valley Comment
  CAS-BOT-BC273183  Anisocarpus madioides James I. McMurphy 1909-5-25 s.n. San Mateo La Honda Comment
  UC662642  Anisocarpus madioides L. S. Rose 1941-7-2 41287 San Mateo Kings Mountain 540 Comment
  UCD135771  Anisocarpus madioides Bruce G. Baldwin 1985-6-22 489 San Mateo 0.4 mile south of junction with Alpine Road along Skyline Road. Comment
  SEINET5539055  Antennaria luzuloides H. S. Gentry 1931-1 84 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  JROH499  Anthemis cotula John H. Thomas 1974-6-27 17453 San Mateo Jasper Ridge Biological Preserve, Stanford University; near the low flow crossing below Searsville Dam Comment
  UC1125531  Anthemis cotula N. K. Carlson 1935-7-5 40 San Mateo 3 mi s Bellvale; Santa Cruz Quad. 91 Comment
  CAS-BOT-BC280641  Anthoxanthum occidentale John Hunter Thomas 1954-4-3 3820 San Mateo Along San Gregorio Creek about 1.5 miles west of La Honda 106 Comment
  UCD85325  Anthoxanthum occidentale August L. Hormay 1932-3-6 s.n. San Mateo Pescadero Blumequist Mill - Redwood belt. Comment
  RSA492536  Anthriscus caucalis Lyman Benson 1935-5-5 6521 San Mateo Lake Searsville 152 Comment
  RSA128575  Anthriscus caucalis P. H. Raven 1950-6-3 2239 San Mateo Woods around San Andres Lake 122 Comment
  POM21058  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum C. F. Baker 1901-10-20 51 San Mateo Summit of Coast Range Comment
  CAS-BOT-BC454483  Aphanes occidentalis John H. Thomas 1955-4-6 4847 San Mateo East facing slope of San Bruno Mountain just north of South San Francisco. 91 Comment
  SEINET3161271  Aphyllon comosum W. A. Setchell 1908-8-30 sn San Mateo Farallone City Comment
  RSA195611  Aponogeton distachyos Peter H. Raven 1967-2-18 20829 San Mateo On east side of State Highway 5, 4.6 miles south of southern boundary of San Francisco. Comment
  CAS-BOT-BC392063  Aquilegia eximia A. D. E. Elmer 1903-6-1 4271 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC392061  Aquilegia eximia Geis 1901-7-29 s.n. San Mateo Road to Spring Valley Dam Comment
  CAS-BOT-BC405895  Aquilegia formosa Walter Knight; Irja Knight 1965-4-4 1009 San Mateo Bitter-cherry Ravine on north facing slope in chaparral. Comment
  CAS-BOT-BC17316  Arabis blepharophylla Elizabeth McClintock 1967-4-16 s.n. San Mateo San Bruno Mountains. Buckeye Canyon. Comment
  CAS-BOT-BC17318  Arabis blepharophylla Walter Knight; Irja Knight 1965-3-21 967 San Mateo San Bruno Mountains. On ridge near Brisbane power lines. Comment
  CAS-BOT-BC17321  Arabis blepharophylla Alice Eastwood 1914-3-12 3753 San Mateo San Bruno Hills. Comment
  CAS-BOT-BC17334  Arabis blepharophylla Peter H. Raven 1967-2-18 20828 San Mateo Off Crocker Avenue, Daly City, just south of San Francisco County Line. Comment
  CAS-BOT-BC17339  Arabis blepharophylla L. Constance; R. Bacigalupi; C. R. Bell 1951-3-25 3369 San Mateo Southeast side of Colma Canyon. 60 Comment
  CAS-BOT-BC17325  Arabis blepharophylla W. R. Dudley 1900-3-18 s.n. San Mateo Santa Cruz Peninsula. 1st high hill between Salado Valley and Colma. Comment
  SEINET11971579  Arabis blepharophylla L. Constance, Bacigalupi, R.; Bell, C. R. 1951-1 3369 San Mateo SE side of Colma Canyon 61 Comment
  CAS-BOT-BC171643  Aralia californica Eric Walther 1919-7-4 s.n. San Mateo Woodside Comment
  CAS-BOT-BC128668  Arbutus menziesii Elizabeth McClintock; Walter Knight; Irja Knight 1964-9-11 s.n. San Mateo South of Brisbane on side hill by Frontage Road - San Bruno Mountain Comment
  HSC23993  Arbutus menziesii Mary Katherine Wicksten 1971-7-1 145 San Mateo Huddart Park. Dry slope by park office Comment
  JROH1917  Arbutus menziesii John H. Thomas 1967-4-20 12711 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA681633  Arbutus menziesii Annuschka Deb 1989-3-17 32 A San Mateo Woodside. Comment
  JROH5561  Arctostaphylos John Rawlings, Toni Corelli 2013-1-29 1110 A San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail to Hermit's Mine site. 195 Comment
  CAS-BOT-BC24130  Arctostaphylos andersonii Brandegee 1889-4-1 s.n. San Mateo Redwood City Comment
  CAS-BOT-BC24170  Arctostaphylos andersonii W. R. Dudley 1905-6-12 s.n. San Mateo Trail below China Pt., Pescadero Creek. Comment
  CAS-BOT-BC24172  Arctostaphylos andersonii John H. Thomas 1968-12-18 14876 San Mateo Along Skyline Blvd. between Gulch Road and la Honda Rd. 457 Comment
  JEPS48587  Arctostaphylos andersonii James G. Daly 1934-1-1 175 San Mateo Middle La Honda Canyon Santa Cruz Mountains, San Gregorio Watershed Comment
  UCD50305  Arctostaphylos andersonii var. imbricata Walter and Irja Knight; Elizabeth McClintock 1982-3-25 4425 San Mateo Kamchatka Point, San Bruno Mountain. Comment
  SEINET11989287  Arctostaphylos andersonii var. imbricata W. Knight, Knight, I.; McClintock, E. 1982-1 4445 San Mateo Kamchatka Point, San Bruno Mt Comment
  CAS-BOT-BC23511  Arctostaphylos crustacea C. F. Baker 1902-3-18 327 San Mateo King's Mountain Comment
  CAS-BOT-BC23515  Arctostaphylos crustacea John Thomas Howell 1924-2-23 261 San Mateo King Mt. Comment
  SEINET11988252  Arctostaphylos crustacea Unknown 1959-1 322 San Mateo 2.8 mi from junction Ca 5 on King's Mountain Rd Comment
  SEINET11989199  Arctostaphylos crustacea E. McClintock, Knight, W.; Knight, I. 1982-1 4646 San Mateo San Pedro County Park, near Pacifica Comment
  JROH1926  Arctostaphylos crustacea subsp. crustacea John H. Thomas 1974-6-30 17463 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1930  Arctostaphylos crustacea subsp. crustacea John H. Thomas 1970-7-5 15665 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1940  Arctostaphylos crustacea subsp. crustacea John Hunter Thomas 1979-5-10 19547 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA681640  Arctostaphylos edmundsii Annuschka Deb 1989-4-20 125 San Mateo Woodside. Comment
  CAS-BOT-BC24485  Arctostaphylos imbricata Arthur L. Menzies 1962-2-25 s.n. San Mateo San Bruno Mt. Comment
  CAS-BOT-BC24496  Arctostaphylos imbricata Peter H. Raven 1950-2-25 1383 San Mateo W. end of ridge behind NBC station, San Bruno Mtns. 457 Comment
  CAS-BOT-BC24498  Arctostaphylos imbricata Lewis S. Rose 1955-2-23 55002 San Mateo San Bruno Hills. Ridge e. of TV Station. Type Locality. Comment
  CAS-BOT-BC27194  Arctostaphylos imbricata Mrs. Ernest Meiere 1915-6-18 s.n. San Mateo San Bruno hills Comment
  SJSU6163  Arctostaphylos imbricata S. H. Casey 1969-5-18 San Mateo ridge-top firebreak, San Bruno Mt Comment
  UC1177376  Arctostaphylos imbricata Peter H. Raven 1951-2-18 2733 San Mateo summit ridge San Bruno Mountains Comment
  CAS-BOT-BC40167  Arctostaphylos montaraensis Roman Gankin; W. R. Hildreth 1966-5-17 738 San Mateo Southeast-facing slope of Montara Mountain. Comment
  JEPS88613  Arctostaphylos montaraensis J. Roof 1966-3-27 San Mateo Pacific Ridge San Bruno Mt. 358 Comment
  SBBG83970  Arctostaphylos montaraensis R. Gankin 1966-5-17 740 b San Mateo Montara Mtn Comment
  SEINET11987192  Arctostaphylos montaraensis W. Knight, Knight, I. 1981-1 3920 San Mateo Tilden Botanic Garden, Berkeley, orig. from Peak Mountain Comment
  SEINET11987328  Arctostaphylos montaraensis J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4203 San Mateo Strybing Arboretum, San Fran., Golden Gate Park, orig. few yds NE of Pacific Rock on San Bruno Mt Comment
  SEINET11989284  Arctostaphylos montaraensis W. Knight, Knight, I.; McClintock, E. 1982-1 4446 San Mateo Pacific Rock area, San Bruno Mt Comment
  RSA633498  Arctostaphylos pacifica Jon E. Keeley 1996-6-24 27568 San Mateo On knob below end of paved road at top of San Bruno Mountain. 350 Comment
  RSA633499  Arctostaphylos pacifica Jon E. Keeley 1996-6-24 27573 San Mateo On knob below end of paved road at top of San Bruno Mountain. 350 Comment
  CAS-BOT-BC44746  Arctostaphylos regismontana W. R. Dudley 1906-3-9 5 San Mateo King's Mt. - Santa Cruz Range 609 Comment
  CAS-BOT-BC44748  Arctostaphylos regismontana W. R. Dudley 1902-5-17 s.n. San Mateo Near King's Mountain Road 457 Comment
  RSA636739  Arctostaphylos regismontana Jon E. Keeley, Melanie Baer Keeley 1993-9-8 24640 San Mateo NW side of Montara Mtn. 150 Comment
  UC1120832  Arctostaphylos regismontana A. E. Wieslander and B. O. Schreiber 1940-3-5 1 San Mateo near Woodside road to King's Mountain; Santa Cruz Quadrangle 182 Comment
  UC1120848  Arctostaphylos regismontana A. E. Wieslander 1929-3-19 47 San Mateo Kings Mountain Rd Santa Cruz Quadrangle, Peters Creek (head of creek, near Plot 11) Comment
  UC549743  Arctostaphylos regismontana J. E. Adams 1935-4-7 1044 San Mateo Skyline Blvd. Comment
  UC750515  Arctostaphylos regismontana Lewis S. Rose 1947-3-11 47028 San Mateo type locality Kings Mountain 609 Comment
  CAS-BOT-BC44669  Arctostaphylos sensitiva George Oberlander 1950-4-2 521 San Mateo Southern Cahill Ridge Comment
  UC1121491  Arctostaphylos tomentosa subsp. crinita G. E. Sindel 1935-7-31 319 San Mateo 1/2 mi n Pomponio Creek (near Plot #292); Santa Cruz Quadrangle 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
  JEPS48592  Arctostaphylos tomentosa subsp. crustacea James G. Daly 1934-1 580 San Mateo San Gregorio watershed Santa Cruz Mts. Comment
  UC82985  Arctostaphylos tomentosa subsp. crustacea C. F. Baker 1902-3-18 327 San Mateo King's Mountain Comment
  POM367466  Arctostaphylos tomentosa subsp. tomentosiformis L. S. Rose 1949-3-18 49006 San Mateo Hills west of Belmont. 91 Comment
  CAS-BOT-BC46837  Arctostaphylos uva-ursi Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mt. Few hundred yards up Cable Ravine Comment
  JEPS108605  Arctostaphylos uva-ursi Roger Raiche 1984-7-18 10153 San Mateo San Bruno Mountain, Kamchatka Point Comment
  JEPS26637  Arctostaphylos uva-ursi J. Roof and D. L. Harmon 1961-4-7 San Mateo spur that lies directly n summit; San Bruno Mountain 365 Comment
  UCD52146  Arctostaphylos uva-ursi Walter and Irja Knight; Elizabeth McClintock 1981-7-3 4492 San Mateo Near rocky outcrop at Kamchatka Point, San Bruno Mountain. San Mateo County. Comment
  SEINET11988288  Arctostaphylos uva-ursi Unknown 1959-1 328 San Mateo near ridge of San Bruno Mountain, South San Francisco, 0.25 mi E of KRON TV transmitter Comment
  CAS-BOT-BC27300  Arctostaphylos uva-ursi var. suborbiculata W. Knight; Irja Knight; Elizabeth McClintock 1981-7-3 4492 San Mateo Kamchatka Point, San Bruno Mountain Comment
  SEINET11987339  Arctostaphylos uva-ursi var. suborbiculata J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4066 San Mateo Strybing Arboretum, San Francisco, Golden Gate Park, orig. from Kamchatka Point on San Bruno Mt Comment
  CAS-BOT-BC401713  Argemone munita subsp. munita J. E. McClellan 1968-8-2 s.n. San Mateo Westerly side of highway 1 about 1/4 mile north from Cascade Ranch entrance, north of Ano Nuevo Pt., near highway post No. 5 M.3039 Comment
  CHSC39823  Armeria maritima subsp. californica Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  UC1123303  Armeria maritima subsp. californica W. W. Akey 1935-5-28 24 San Mateo 1 1/2 mi n Bolsa POint; Santa Cruz Quadrangle Comment
  UC1537507  Armeria maritima subsp. californica Gordon H. True Jr. 1936-6-7 485 San Mateo 4 mi s Pescadero (top of ocean bluff) 15 Comment
  UCSB11750  Armeria maritima subsp. californica Olson, Jim 1962-4-13 San Mateo 1 mile south of Halfmoon Bay on U.S. Highway 101 15 Comment
  JROH512  Arnica discoidea Herbert L. Mason 1921-5-18 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Redwood area Comment
  CAS-BOT-BC84879  Artemisia californica Fred Hemphill 1973-4-15 651 San Mateo San Carlos - chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC84882  Artemisia californica George Oberlander 1949-10-8 392 a San Mateo San Francisco Watershed Reserve - Sweeney Ridge Comment
  JROH514  Artemisia californica L. R. Abrams 1902-12-23 3098 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Comment
  JROH515  Artemisia californica L. R. Abrams 1902-12-23 3098 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD87616  Artemisia californica Frank W. Peirson 1925-9-13 6429 San Mateo Rockaway Beach Comment
  CAS-BOT-BC93642  Artemisia pycnocephala Ira L. Wiggins 1929-7-4 3800 San Mateo Sea bluffs at Pescadero Beach Comment
  RSA1948  Artemisia pycnocephala C. B. Wolf 1930-11-5 1806 San Mateo 4 mi. S of Pescadero. 8 Comment
  POM288898  Aster radulinus Lyman Benson 1937-7-25 8469 San Mateo Lake Searsville; Mt. range: Santa Cruz; Drainage area: San Francisco Bay. 122 Comment
  RSA107478  Aster radulinus L. S. Rose 1955-9-19 55174 San Mateo Skyline Boulevard, 7 miles west of Saratoga. 686 Comment
  CAS-BOT-BC478065  Asteraceae H. A. Dutton 1900-5-6 s.n. San Mateo Santa Cruz Mountain Peninsula, Woodside Comment
  CAS-BOT-BC186759  Astragalus gambelianus Margaret A. Barry 1937-5-8 60 San Mateo On Coal Mine Ridge Comment
  CAS-BOT-BC186766  Astragalus gambelianus H. A. Dutton 1900-3-11 s.n. San Mateo Woodside Comment
  RSA60155  Astragalus gambelianus Lois E. James 1946-4-16 1741 San Mateo Hills back of Redwood City. High Road off Woodside Road. Comment
  RSA10287  Astragalus nuttallii H. A. Barker 1927-5-14 658 San Mateo North of Half Moon Bay. Comment
  UC1128872  Astragalus pycnostachyus var. pycnostachyus G. E. Sindel 1935-7-25 298 San Mateo 2 mi nnw Pescadero; Santa Cruz Quad., nnw of Pescadero Comment
  UC42228  Athyrium filix-femina var. cyclosorum McLean San Mateo Pescadero Comment
  UCD97426  Atriplex hortensis Malcolm A. Nobs; S. Galen Smith 1949-8-27 1619 San Mateo E of Redwood City. Comment
  RSA478328  Atriplex leucophylla E. A. Purer 1933-7-27 5349 San Mateo Pigeon Point. Comment
  SEINET4135302  Atriplex leucophylla Lewis S. Rose 1941-9-27 41460 San Mateo Princeton, CA.; 0 2 Comment
  SD38027  Atriplex rosea Edith A. Purer 1933-8-13 5419 San Mateo Belmont Comment
  CAS-BOT-BC146081  Avena barbata T. C. Fuller 1971-6-10 19879 San Mateo 1.6 km. east of San Gregorio. Comment
  CDA1739  Avena barbata T. C. Fuller 1971-6-1 19879 San Mateo 1.6 km. east of San Gregorio. 0 Comment
  JROH4839  Avena barbata John H. Thomas 1967-3-26 12420 San Mateo Jasper Ridge Biological Preserve, Stanford University 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-BC146214  Avena brevis John Thomas Howell 1954-6-16 30003 San Mateo Belmont. Raslton Avenue at 6th. Comment
  CAS-BOT-BC146000  Avena fatua Ira L. Wiggins 1975-4-17 22144 San Mateo Northeast side of S.P. right of way, between Willow Road and San Francisquito Creek, Menlo Park. Comment
  JROH532  Baccharis glutinosa John H. Thomas 1964-10-2 10513 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam along stream Comment
  JROH535  Baccharis glutinosa John H. Thomas 1974-8-3 17497 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SBBG33931  Baccharis glutinosa L. S. Rose 1969-8-22 69099 San Mateo Skyline Blvd and La Honda Rd 609 Comment
  UC893647  Baccharis glutinosa Lewis S. Rose 1941-10-31 41173 San Mateo Searsville Lake 91 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-BC99522  Baccharis pilularis Ned Cahill 1974-4-30 240 San Mateo near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC99533  Baccharis pilularis David D. Keck 1931-10-5 1283 San Mateo 1 mile north of Salada Beach Comment
  POM350441  Baccharis pilularis D. D. Keck 1931-10-5 1283 San Mateo 1 mile north of Salada Beach 91 Comment
  UC942901  Baccharis pilularis Lewis S. Rose 1949-9-20 49182 San Mateo Sharp Park Comment
  JROH5742  Baccharis pilularis subsp. pilularis John Rawlings 2015-11-7 1648 San Mateo Jasper Ridge Biological Preserve, Stanford University; 55 yards up Rd E from its Trail 14 intersection. 122 Comment
  SEINET3387422 Image available Baeria hirsutula Lewis S. Rose 1933-5-3 33141 San Mateo Montara, Ocean Bluffs Comment
  CAS-BOT-BC166953  Barbarea orthoceras Peter Rubtzoff 1975-5-21 7961 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  JROH1442  Barbarea orthoceras John H. Thomas 1973-6-15 16843 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1445  Barbarea orthoceras John Hunter Thomas 1980-5-6 19933 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC16637  Barbarea orthoceras Reed Clark Rollins 1941-3-29 2960 San Mateo 4 miles northwest of Palo Alto. Comment
  CAS-BOT-BC75872  Berberis pinnata Alice Eastwood 1913-2-22 s.n. San Mateo San Bruno Hills. Comment
  POM149245  Berberis pinnata A. D. E. Elmer 1903-04 4820 San Mateo San Bruno Hills Comment
  CAS-BOT-BC75870  Berberis pinnata W. R. Dudley 1903-5-2 s.n. San Mateo Santa Cruz Peninsula. By La Honda Road below BD Week's. Comment
  JROH1320  Berberis pinnata subsp. pinnata H. B. Hannibal 1910-10-10 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Sandstone Cave Comment
  CDA3006  Beta vulgaris E. L. Labadie 1961-10-24 San Mateo Railroad tracks at Chestnut Street, Redwood City. 0 Comment
  UC662425  Bidens pilosa H. P. Chandler 1941-12-4 San Mateo 1/2 mi e of Half Moon Bay (along highway) Comment
  NY31023  Blennosperma californicum A. D. E. Elmer 05 1903 4521 San Mateo San Bruno Hills Comment
  RSA130356  Boisduvalia densiflora Roxana S. Ferris 1930-9-3 2044 San Mateo Santa Cruz Mountain Peninsula: Upper Mud Lake. Coal Mine Ridge Comment
  SEINET8728895 Image available Bougainvillea spectabilis A. T. Whittemore 2001-1 01 -022 San Mateo 418 Hillway Dr., Redwood City. 98 Comment
  CAS-BOT-BC95347  Bowlesia incana C. F. Baker 1902-4-12 510 San Mateo La Honda Comment
  CAS-BOT-BC145404  Brachypodium distachyon John Thomas Howell 1971-4-12 s.n. San Mateo Butano State Park. Comment
  JROH4849  Brachypodium distachyon Herb Dengler 1977-6-4 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. West of Searsville Lake above beach Comment
  JROH4866  Brachypodium sylvaticum John Rawlings 2007-10-1 1025 San Mateo Jasper Ridge Biological Preserve, Stanford University. In middle of road inside Preserve Fence along Sand Hill Road south of caretaker's house. 107 Comment
  JROH5793  Brachypodium sylvaticum Nona Chiariello, Bill Gomez 2016-6-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Just east of path inside boundary fence along Portola Road south of caretaker's house. 105 Comment
  CAS-BOT-BC36670  Brassica oleracea L. R. Abrams; Ira L. Wiggins 1939-6-3 439 San Mateo 2 miles north of Pigeon Point Lighthouse. Comment
  CAS-BOT-BC36797  Brassica rapa Alice Eastwood 1919-9-1 s.n. San Mateo Chinese garden. Comment
  UCD57153  Briza maxima Anonymous 1991-5-27 24 San Mateo Along Lake Merced, in Daly City. Comment
  CAS-BOT-BC145328  Briza minor George Oberlander 1950-4-23 745 San Mateo San Francisco Watershed Reserve. Sawyer Ridge. Comment
  JROH4883  Briza minor John H. Thomas 1973-4-14 16557 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4891  Briza minor John Hunter Thomas 1991-4-13 24990 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD57401  Briza minor Beecher Crampton 1962-6-11 6501 San Mateo Sharp Park. Suburb of Pacifica. Mori's Point Road, just west of State Hwy. 1. Comment
  UC1134026  Brodiaea elegans subsp. elegans N. Carlson 1935-6-20 72 San Mateo between Slate and Oil Creek; Santa Cruz Quad. 670 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-BC484353  Brodiaea elegans subsp. elegans Eric Walttier 1919-6-9 s.n. San Mateo Woodside Comment
  UC843571  Brodiaea terrestris subsp. terrestris Alice Eastwood 1912-6-10 334 San Mateo Crystal Springs Comment
  CAS-BOT-BC144139  Bromus Ned Cahill 1974-5-30 325 San Mateo Near the intersection of Canada and Edgewood roads, about 3 miles westward from Redwood City. Comment
  RSA185011  Bromus carinatus L. S. Rose 1963-4-27 63003 San Mateo Skyline Blvd, open hills west of San Mateo. 91 Comment
  UCSC007722  Bromus carinatus Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC148977  Bromus carinatus var. carinatus W. R. Dudley 1894-5-1 s.n. San Mateo Santa Cruz Mountain Peninsula. Crystal Springs Lake. Comment
  CAS-BOT-BC148991  Bromus carinatus var. carinatus W. R. Dudley 1899-5-19 s.n. San Mateo Santa Cruz Mountain Peninsula. Head of San Mateo Creek. Comment
  UC188898  Bromus carinatus var. maritimus Harley P. Chandler 1901-3-15 804 San Mateo w of Colma Comment
  UCD58325  Bromus catharticus John Thomas Howell 1956-5-23 31446 San Mateo El Camino Real at Atherton Ave. Menlo Park. Comment
  JROH4908  Bromus catharticus var. catharticus Ann Lambrecht 2006-8-23 28 San Mateo Jasper Ridge Biological Preserve, Stanford University. Dry streambed below Dennis Martin marker Comment
  CAS-BOT-BC155841  Bromus catharticus var. elatus John Thomas Howell 1956-5-23 21446 San Mateo Menlo Park. El Camino Real at Atherton Avenue. Comment
  CAS-BOT-BC155721  Bromus diandrus Margaret Barry 1937-5-8 29 San Mateo Coal Mine Ridge. Comment
  OBI23249  Bromus diandrus Ira L. Wiggins 1975-5-26 22153 San Mateo Bed of San Francisquito Crk, ca 150 m upstream from Chaucer/Pope St bridge, Menlo Comment
  CAS-BOT-BC155135  Bromus hordeaceus Ned Cahill 1974-5-30 304 San Mateo Near the intersection of Canada and Edgewood roads, about 3 miles westward from Redwood City. Comment
  CAS-BOT-BC155140  Bromus hordeaceus Walter Knight; Irja Knight 1965-5-15 s.n. San Mateo San Bruno Mountain. Pig Ranch Ravine. Comment
  JEPS128403  Bromus hordeaceus Adam C. Schneider 2013-5-17 130 San Mateo Crystal springs Reservoir. 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
  RSA790273  Bromus hordeaceus subsp. hordeaceus Peter Rubtzoff 1976-6-13 8634 San Mateo San Bruno Mtn: 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  JROH5957  Bromus laevipes John Rawlings 2017-5-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 14, between dam spillway and Trail 8 intersection 111 Comment
  SJSU15908  Bromus maritimus John Rawlings, Sara Timby, Toni Corelli 2016-4-23 1733 San Mateo Bean Hollow bluff trail, west of Hwy 1 south of Pescadero 8 Comment
  JROH4963  Bromus sterilis John Rawlings 2013-4-10 1145 A San Mateo Jasper Ridge Biological Preserve, Stanford University; near power poles in partial shade on Rattlesnake Rocks trail off of Rd. D 131 Comment
  POM277332  Bromus vulgaris Lyman Benson 1937-7-15 8452 San Mateo Upper San Francisquito Creek. Santa Cruz Mt. Range. 244 Comment
  RSA119336  Bromus vulgaris S. S. Tillett, I. Sternback 1956-6-24 534 San Mateo Middleton property, behind (N.) Portola Camp Store, just outside Portola State Park. 396 Comment
  CAS-BOT-BC233707  Buddleja davidii John H. Thomas 1966-9-11 12390 San Mateo 1 mile westward as measured along the road from the La Honda - Pescadero Road intersection Comment
  SEINET12004683  Cakile edentula subsp. edentula M. T. Doutt 1931-1 189 San Mateo Ano Nuevo Pt Comment
  CAS-BOT-BC36957  Cakile maritima var. maritima Saichi Kawahara 1968-6-15 439 San Mateo Pescadero Beach, 150 yards south of mouth of Pescadero Creek, Highway 1. 3 Comment
  CAS-BOT-BC36960  Cakile maritima var. maritima W. R. Beutley 1957-5-11 81 San Mateo State Highway #1, 2 miles below Pescadero. 4 Comment
  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-BC185305  Calamagrostis koelerioides N. K. Carlson 1935-6-14 54 San Mateo 0.5 mile west of Hollow Tree Camp, north of Big Basin. 640 Comment
  UC204077  Calamagrostis nutkaensis A. D. E. Elmer 1903-5-1 5051 San Mateo San Pedro Comment
  CAS-BOT-BC185032  Calamagrostis rubescens W. R. Dudley 1906-6-12 s.n. San Mateo Santa Cruz Mountain Penisula. By road to Kings Mountain above the Squealer Gulch bridge. Comment
  JROH1632  Callitriche marginata John H. Thomas 1968-3-17 14193 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
  JROH4613  Calochortus albus John Hunter Thomas 1991-4-25 25004 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC492201  Calochortus albus George Oberlander 1950-5-21 975 San Mateo Pilarcitos Canyon Comment
  CAS-BOT-BC492221  Calochortus albus Paul Arnaud 1941-4-19 s.n. San Mateo Redwood City - Hills - near Hesler farm entrance Comment
  IRVC9082  Calochortus albus P. W. Rundel 1963-6-11 1117 San Mateo San Fransisco Bay drainage area; Old La Honda Road. Santa Cruz Mountain Range 305 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
  RSA169882  Calochortus albus A. D. E. Elmer 1903-05 4846 San Mateo Iversons Place Comment
  SD39096  Calochortus albus Marie Cummings 1933-5-8 79 San Mateo Steven's Creek. Comment
  SEINET12044764  Calochortus albus L. S. Rose 1935-1 35214 San Mateo 9 mi W of Stanford U Comment
  JROH4618  Calochortus argillosus John H. Thomas 1961-6-14 9539 San Mateo Jasper Ridge Biological Preserve, Stanford University; in "parking area" at Searsville end Comment
  JROH4621  Calochortus argillosus John H. Thomas 1973-6-10 16818 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4624  Calochortus argillosus John H. Thomas 1975-6-5 17940 San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack Comment
  UCD78194  Calochortus argillosus Robert E. Preston 2008-6-11 2641 b San Mateo Between Lower Crystal Springs Reservoir and Skyline Blvd, ca. 0.5 mi NW of jct Skyline Blvd and Crystal Springs Rd 99 Comment
  JROH4631  Calochortus luteus John H. Thomas 1971-5-30 15960 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4634  Calochortus luteus John H. Thomas 1974-5-29 17404 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4641  Calochortus luteus John Hunter Thomas 1989-5-30 24753 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near dam Comment
  SEINET7096717  Calochortus luteus 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
  CAS-BOT-BC491990  Calochortus luteus Eric Walther 1919-6-9 s.n. San Mateo Woodside Comment
  CHSC13523  Calochortus tolmiei S. Villard 1974-4-28 4 San Mateo Found on King's Mt. Road, Woodside, ca. 1 mi w of Mounted Patrol Grounds. 152 Comment
  SJSU10003  Calochortus tolmiei L. S. Chan 1955-6-4 123 San Mateo Kings Mt Rd 1.5 mi W of woodside 243 Comment
  JROH558  Calycadenia multiglandulosa John H. Thomas 1958-11-22 8077 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH570  Calycadenia multiglandulosa John Hunter Thomas 1983-6-29 22717 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR70789  Calycadenia multiglandulosa L. S. Rose 1934-5-23 34278 San Mateo Emerald Lake. 160 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-BC224647  Calystegia purpurata subsp. purpurata Mary Helen Kelson 1956-6-2 229 San Mateo Page Mill Road, 3 miles from Skyline Boulevard 213 Comment
  CAS-BOT-BC436448  Calystegia subacaulis Ned Cahill 1974-4-18 120 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  SD38401  Calystegia subacaulis Edith A. Purer 1933-5-30 3606 San Mateo Spring Valley Lake Road. Comment
  SJSU8763  Calystegia subacaulis B. L. Ledwith 1960-4-13 San Mateo San Francisco Game Refuge 17 mi S of San Francisco Comment
  CAS-BOT-BC224346  Calystegia subacaulis subsp. subacaulis Margaret A. Barry 1937-5-8 57 San Mateo Exposed slopes of Coal Mine Ridge Comment
  JROH1843  Calystegia subacaulis subsp. subacaulis John H. Thomas 1955-5-6 4978 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM271878  Camissonia ovata Arthur L. Cohen 1935-4-21 632 San Mateo Jasper Ridge, Stanford University. Santa Cruz Mtn Range, San Francisco Bay Watershed. 152 Comment
  CAS-BOT-BC160320  Camissoniopsis cheiranthifolia subsp. cheiranthifolia E. M. Zeile 1921-7-31 s.n. San Mateo Salada Comment
  CAS-BOT-BC160322  Camissoniopsis cheiranthifolia subsp. cheiranthifolia L. R. Abrams 1909-8-2 4250 San Mateo Pebble Beach, Pescadero Comment
  CAS-BOT-BC160324  Camissoniopsis cheiranthifolia subsp. cheiranthifolia W. R. Dudley 1901-7-5 s.n. San Mateo Pescadero Comment
  CAS-BOT-BC160327  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Robt. T. Orr 1961-6-27 s.n. San Mateo [Ano] Ano Nuevo Island Comment
  JEPS43862  Camissoniopsis cheiranthifolia subsp. cheiranthifolia William S. Cooper 1924-11-19 37 San Mateo Ano Nuevo Pt. Comment
  UCSC007726  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  UC874076  Camissoniopsis micrantha John Thomas Howell 1938-5-1 13773 San Mateo Colma Canyon Comment
  SEINET10463066  Campanula prenanthoides Wolf 1927-8-13 WOLF 714 San Mateo Summit La Honda Grade Comment
  SEINET10463189  Campanula prenanthoides Gray 1872-1 GRAY s.n. San Mateo SANTA CRUZ REDWOODS Comment
  CAS-BOT-BC37159  Capsella bursa-pastoris John H. Thomas 1965-4-29 10601 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  CAS-BOT-BC37656  Cardamine californica W. R. Dudley 1893-4-1 s.n. San Mateo Santa Cruz Peninsula. Ravine near La Honda. Comment
  CAS-BOT-BC37658  Cardamine californica W. R. Dudley 1894-3-1 s.n. San Mateo Santa Cruz Peninsula. Near South San Francisco. Comment
  HSC23887  Cardamine californica Mary Katherine Wicksten 1971-7-7 158 San Mateo Huddart Park, along road to family campground. Comment
  JROH1484  Cardamine californica John Hunter Thomas 1982-4-4 20822 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  CAS-BOT-BC37669  Cardamine californica Reed Clark Rollins 1941-3-16 2943 San Mateo Santa Cruz Mountains. East slope of Kings Mountain, 6 miles west of Woodside. Comment
  JROH3903  Cardamine californica D. D. Davis 1903-4-6 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  JEPS23932  Cardamine californica var. integrifolia LeRoy Abrams 1902-3-16 2274 San Mateo Kings Mountain Comment
  JEPS90450  Cardamine californica var. integrifolia Dean W. Taylor 1992-3-19 12335 San Mateo Montara Mt. in saddle just e. San Pedro Mt. (reached via old paved rd. from San Pedro Valley, along ridge at BM 924); Santa Cruz Mts., Montara Mt. 7 1/2 Quad. (1980) 274 Comment
  JEPS127781  Cardamine oligosperma Adam C. Schneider with C. Matt Guilliams 2014-3-9 42 San Mateo Comment
  JROH1498  Cardamine oligosperma John Hunter Thomas 1983-4-5 21322 San Mateo Jasper Ridge Biological Preserve, Stanford University; low-flow crossing Comment
  CAS-BOT-BC37982  Cardamine oligosperma Walter Knight; Irja Knight 1965-3-14 939 San Mateo San Bruno Mountain. Romanzoffia Ravine. Comment
  UC120252  Cardionema ramosissimum T. S. Brandegee Sept. 1901 San Mateo South San Francisco Comment
  CAS-BOT-BC17851  Carex amplifolia John H. Thomas 1961-5-14 9365 San Mateo Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. San Francisco Watershed Reserve. 152 Comment
  CAS-BOT-BC17855  Carex amplifolia Peter Rubtzoff 1953-5-14 1345 San Mateo Pilarcitos Creek Canyon 1 to 2 miles downtreams from Pilarcitos Lake. 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
  UC823145  Carex barbarae Alice Eastwood, John Thomas Howell 1938-4-24 5247 San Mateo Lobitas Comment
  CAS-BOT-BC18923  Carex densa John Thomas Howell 1938-5-1 13781 San Mateo Near South San Francisco. Comment
  CAS-BOT-BC18940  Carex densa W. R. Dudley 1910-5-26 s.n. San Mateo Santa Cruz Mountain Peninsula. Coal Mine Ridge, near Black Mountain. Comment
  CAS-BOT-BC18942  Carex densa W. R. Dudley 1896-4-4 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Summit Springs, near King's Mountain. Comment
  POM193987  Carex densa W. R. Dudley 1896-4-4 s.n. San Mateo Santa Cruz Mountain Peninsula; Near Summit Springs, Kings Mt. Comment
  UC30023  Carex densa J. Burtt Davy 1893-6-17 787 San Mateo Belmont Comment
  POM230443  Carex densa J. T. Howell, Alice Eastwood 1937-5-7 4328 San Mateo Visatacion Valley Comment
  RSA304146  Carex densa J. T. Howell 1938-5-1 13785 San Mateo Near South San Francisco. Comment
  SEINET4291981 Image available Carex harfordii A. L. Hipp, Pollock, J 1999-1 ah 282 San Mateo Marsh at the mouth of Pescadero Creek, near Pescadero State Beach. North pond, along the edge of trail. Comment
  SEINET3904235  Carex montereyensis John A. Churchill 1974-4-14 7441413 San Mateo Half Moon Bay.; 0 Comment
  CAS-BOT-BC117646  Carex serratodens LeRoy Abrams 1902-5-4 2425 San Mateo Woodside. Comment
  UC143773  Carex serratodens C. F. Baker 1902-5-10 811 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC117651  Carex serratodens Elizabeth McClintock 1978-4-24 s.n. San Mateo Gilmore McDowell property, Woodside. Comment
  CAS-BOT-BC117653  Carex serratodens Cherie L. Wetzel 1969-6-20 883 San Mateo Near Canada College, Redwood City, just off Farm Hill Blvd. Comment
  JROH4363  Carex subbracteata John Rawlings 2010-5-19 1054 San Mateo Jasper Ridge Biological Preserve, Stanford University. A few feet downstream from bridge at Ribes aureum site on Trail 12. 111 Comment
  RSA88835  Carex subbracteata Alice Eastwood, John Thomas Howell, J. W. Stacey 1938-4-24 5245 San Mateo Half Moon Bay. Comment
  UC618444  Carex subbracteata John Thomas Howell 1938-5-1 13783 San Mateo near South San Francisco Comment
  SEINET10750023  Carex subbracteata John Thomas Howell 1938-5-1 Howell 13783 San Mateo Near South San Francisco. Comment
  CAS-BOT-BC116814  Carex subbracteata var. subbracteata John Thomas Howell 1938-5-1 13778 San Mateo Near South San Francisco. Comment
  CAS-BOT-BC116817  Carex subbracteata var. subbracteata John Thomas Howell 1938-5-1 13778 San Mateo Near South San Francisco Comment
  CAS-BOT-BC116825  Carex subbracteata var. subbracteata George Thomas Oberlander 1950-4-22 633 San Mateo Marsh, Pilarcitos Canyon Comment
  CAS-BOT-BC115515  Carex tumulicola W. R. Dudley 1894-5-1 s.n. San Mateo Woodside to Crystal Springs. Comment
  JROH4372  Carex tumulicola John Rawlings, Carol Zabel, Ann Lambrecht 2005-6-15 0909 A San Mateo Jasper Ridge Biological Preserve, Stanford University. Several yards from the intersection of Trail 2 with Trail 3. 86 Comment
  CAS-BOT-BC115508  Carex tumulicola Wilhelm Nikolaus Suksdorf 1928-7-5 12402 San Mateo Seeds from Crystal Springs Lake (grown in garden at Bingen, Wash) Comment
  JEPS103892  Castilleja affinis subsp. affinis T. I. Chuang and F. M. Chuang 1991-7-3 7860 San Mateo 1.8 mile SW from junction of Interstate 280 and rt. 92 on rt. 92 Comment
  UCSC007730  Castilleja affinis subsp. affinis Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  JROH3968  Castilleja attenuata John Hunter Thomas 1983-4-21 21635 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC34849  Castilleja densiflora Thomas W. Nelson 1975-5-8 1808 San Mateo Beside Hwy. 280 S of San Francisco Comment
  JROH3972  Castilleja densiflora subsp. densiflora D. D. Davis 1903-4-5 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Ridge Comment
  JROH3980  Castilleja densiflora subsp. densiflora John Hunter Thomas 1978-4-25 19149 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3986  Castilleja densiflora subsp. densiflora John Hunter Thomas 1986-5-8 24026 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD38138  Castilleja franciscana Marie Cummings 1933-5-23 3673 San Mateo Spring Valley Lake Comment
  CAS-BOT-BC243825  Castilleja latifolia C. F. Baker 1906-5-1 799 San Mateo King's Mt. Comment
  CAS-BOT-BC243839  Castilleja latifolia John Thomas Howell 1933-4-9 10964 San Mateo Granada Comment
  UC306597  Castilleja rubicundula subsp. lithospermoides A. D. E. Elmer Jun 1903 4420 San Mateo Crystal Springs Lake Comment
  CHSC1696  Castilleja subinclusa subsp. franciscana M. Barkowski 1930-4-29 San Mateo Moss Beach. Comment
  SEINET7063807  Castilleja tenuis A. G. Vestal 1947-4-24 s.n. San Mateo Enclosure at jasper Ridge. UTM Zone 10, 568421mE, 4140420mN. (WGS84/NAD83). 174 Comment
  JEPS34325  Castilleja wightii L. R. Heckard and Rimo Bacigalupi 1963-7-2 1330 San Mateo Common along old county road over San Pedro and Montara Mountains; northern flank of San Pedro Mountain. Comment
  JEPS34327  Castilleja wightii L. R. Heckard, and Rimo Bacigalupi 1963-7-2 1333 San Mateo nw slope Montara Mt. (above summit of old county road) 304 Comment
  JEPS34455  Castilleja wightii L. R. Heckard 1963-7-18 1343 San Mateo just s Crystal Springs Dam (on San Mateo Creek canyon) (along Skyline Blvd (Highway 35), e of Lower Crystal Springs reservoir) 106 Comment
  JEPS47395  Castilleja wightii L. R. Heckard 1964-6-24 1397 San Mateo San Bruno Mt.; near television transmitting towers 304 Comment
  POM15493  Castilleja wightii C. F. Baker 1902-05 799 San Mateo Kings Mt. Comment
  RSA10376A  Castilleja wightii H. A. Barker 1926-5-1 606 San Mateo Kings Mt. Comment
  RSA428367  Castilleja wightii E. S. Spalding 1924-6-28 s.n. San Mateo Moss Beach Comment
  UC1327236  Castilleja wightii John T. Doyen 1966-3-28 37 San Mateo San Bruno Mountains; near Radio Towers on top Comment
  UC1713545  Castilleja wightii Katharine Brandegee 1917-7-29 San Mateo Tunitas Station; Ocean Shore R.R. Comment
  UC198269  Castilleja wightii Katharine Brandegee 1917-7-22 San Mateo Mussel Rock Station, Ocean Shore Railway Comment
  JEPS103881  Castilleja wightii T. I. Chuang and F. M. Chuang 1991-7-1 7846 San Mateo 1.1 mile N or Montara Comment
  JEPS103886  Castilleja wightii T. I. Chuang 1991-7-20 7879 San Mateo Hill just S of Rockaway Beach. Comment
  JEPS88829  Castilleja wightii T. I. and F. M. Chuang 1991-7-1 7847 San Mateo ca 7 mi s Halfmoon Bay Comment
  OBI78360  Castilleja wightii Lewis S. Rose 1965-4-22 65026 San Mateo San Bruno Mtn, S of parking lot 366 Comment
  RSA18358  Castilleja wightii Carl B. Wolf 1929-5-25 3730 San Mateo Just north of Pigeon Pt. Comment
  CAS-BOT-BC39385  Caulanthus lasiophyllus Wilhelm Nikolaus Suksdorf 1913-6-23 258 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC40391  Caulanthus lasiophyllus W. R. Dudley 1896-4-4 s.n. San Mateo Santa Cruz Peninsula. Near Crystal Springs Lake. Comment
  CAS-BOT-BC40395  Caulanthus lasiophyllus Walter Knight; Irja Knight 1965-4-25 1090 San Mateo San Bruno Mountain. In 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
  JROH3517  Ceanothus cuneatus var. cuneatus Le Roy Abrams 1898-3-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3526  Ceanothus cuneatus var. cuneatus Ann Lambrecht 2004-3-10 8 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 11. Chaparral-woodland transition. Comment
  UCR51552  Ceanothus griseus R. Ascanio 1988-4-17 s.n. San Mateo E on Gazo Creek Road off Hwy 1, c. 2 mi. north of Ano Nuevo State Reserve 85 Comment
  CAS-BOT-BC50042  Ceanothus incanus Walter Knight; James B. Roof 1965-5-9 1136 San Mateo Brotherhood Way - Daly City Comment
  CAS-BOT-BC51596  Ceanothus oliganthus var. sorediatus H. A. Borthwick 1920-4-21 74 San Mateo Strawberry Bend, Corte Madera Cr. Comment
  CAS-BOT-BC51598  Ceanothus oliganthus var. sorediatus W. R. Dudley 1899-5-14 s.n. San Mateo Baden Brook Hills Comment
  CAS-BOT-BC51603  Ceanothus oliganthus var. sorediatus Brandegee 1890-5-1 38 San Mateo Mts. between San Francisco and Santa Cruz Comment
  JROH3530  Ceanothus oliganthus var. sorediatus John H. Thomas 1973-3-12 16492 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1071321  Ceanothus oliganthus var. sorediatus G. E. Sindel 1935-8-29 345 San Mateo 2 1/2 mi nw Black Mt.; Santa Clara Quad. Comment
  UC311387  Ceanothus oliganthus var. sorediatus A. D. E. Elmer May 1903 4479 San Mateo Portola Comment
  UCSB18628  Ceanothus oliganthus var. sorediatus Schulte, John 1963-4-14 San Mateo between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  POM299416  Ceanothus oliganthus var. sorediatus L. S. Rose 1942-4-19 42012 San Mateo Santa clara County: Saratoga Road, 2 miles E of the Skyline Blvd edge of woods with Lithocarpus densiflorus, Arbutus Menziesii and Sequoia sempervirens Comment
  LA45133  Ceanothus papillosus David D. Keck; 1932-5-11 1774 San Mateo E. side of Kings Mountain, on Kings Mountain Road 500.0 Comment
  POM223329  Ceanothus papillosus L. S. Rose 1935-5-3 35144 San Mateo Skyline Blvd, W of Saratoga. 732 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
  RSA15351  Ceanothus thyrsiflorus Carl B. Wolf 1927-2-28 165 San Mateo Pescadero. Comment
Read comments Aug 5 2015
  RSA398960  Ceanothus thyrsiflorus Harlan Lewis 1908-4-20 s.n. San Mateo Crystal Springs Lake. 213 Comment
  UC1174506  Ceanothus thyrsiflorus LeRoy Abrams 1902-5-20 2463 San Mateo King's Mountain Comment
  UC204089  Ceanothus thyrsiflorus A. D. E. Elmer June, 1903 4603 San Mateo Lake San Andreas Comment
  SEINET12209978  Ceanothus thyrsiflorus J. I. McMurphy 1906-1 12 San Mateo Santa Cruz Mts 122 Comment
  SBBG64339  Ceanothus thyrsiflorus var. thyrsiflorus C. Bornstein 1994-6-7 San Mateo Gazos Crk Rd, 1.4 mi E of Hwy 1 30 Comment
  JROH594  Centaurea calcitrapa John Hunter Thomas 1989-5-9 24702 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC274595  Centaurea calcitrapa Phillip C. Wheeler 1965-5-17 s.n. San Mateo San Bruno Mountain. Crocker Hills near Cow Palace Comment
  JROH593  Centaurea calcitrapa John Hunter Thomas 1988-10-17 24602 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS127866  Centaurea melitensis Adam C. Schneider 2013-5-17 181 San Mateo Crystal Springs Reservoir Comment
  RSA133890  Centaurea melitensis John H. Thomas 1958-6-11 7224 San Mateo About 4.3 miles due E of Belmont near Crystal Springs Reservoir. 91 Comment
  CAS-BOT-BC277120  Centaurea melitensis Ned Cahill 1974-6-21 338 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC277128  Centaurea melitensis John H. Thomas 1963-7-19 10199 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  JROH600  Centaurea melitensis John H. Thomas 1970-5-30 15980 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH606  Centaurea solstitialis John Hunter Thomas 1981-10-25 20769 San Mateo Jasper Ridge Biological Preserve, Stanford University; near main gate Comment
  CAS-BOT-BC272818  Centromadia parryi subsp. parryi W. R. Dudley 1908-10-4 s.n. San Mateo Near Laguna Salada Comment
  SEINET3146197  Centromadia pungens L. S. Rose 1938-8-18 38231 San Mateo San Mateo 6 Comment
  SEINET2030222 Image available Centromadia pungens L. S. Rose 1941-10-10 41464 San Mateo Fields along Bayshore Boulevard, San Mateo 3 Comment
  CAS-BOT-BC279328  Centromadia pungens subsp. pungens L. R. Abrams 1903-9-26 4017 San Mateo Menlo Park - border of SF Bay Comment
  UC1080532  Centromadia pungens subsp. pungens Sherwin Cariquist 1957-7-5 411 San Mateo 4 mi s of San Carlos; Highway 101 (Bayshore Highway) Comment
  CAS-BOT-BC388389  Cerastium glomeratum Fred Hemphill 1973-4-22 739 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC388391  Cerastium glomeratum Fred Hemphill 1973-3-17 618 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC388393  Cerastium glomeratum Margaret A. Barry 1937-5-15 89 San Mateo Coal Mine Ridge Comment
  POM193985  Ceratophyllum demersum Roxana S. Ferris 1920-9-3 2042 San Mateo In upper Mud Lake, Coal Mine Ridge; Santa Cruz Mountain Peninsula. Comment
  JROH3613  Cercocarpus betuloides var. betuloides W. R. Dudley 1893-12-3 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Dam Comment
  JROH3618  Cercocarpus betuloides var. betuloides H. L. Dale 1927-5-30 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake Comment
  JROH3621  Cercocarpus betuloides var. betuloides John H. Thomas 1961-6-14 9541 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1950  Chamaesyce serpillifolia subsp. serpillifolia James McMurphy 1906-8-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Comment
  UC1191353  Chenopodium berlandieri Malcolm A. Nobs and S. Galen Smith 1949-8-26 1605 San Mateo marshy stream bank about 1 mi s Pigeon Point Comment
  UC1537380  Chenopodium murale Gordon H. True Jr. 1937-10-16 848 San Mateo near Thornton Beach 3 Comment
  CAS-BOT-BC473026  Chenopodium rubrum var. humile W. R. Dudley 1906-10-12 14 San Mateo Santa Cruz Mountain Peninsula. Pond [14 - either cln no or pond no.] Comment
  JROH1828  Chenopodium vulvaria Toni Corelli 2005-8-14 304 San Mateo Jasper Ridge Biological Preserve, Stanford University; Road H at Bear Creek 82 Comment
  CAS-BOT-BC497729  Chlorogalum pomeridianum Elizabeth McClintock 1965-3-28 s.n. San Mateo Plants of San Bruno Mountain, Trillium Gulch Comment
  IRVC9051  Chlorogalum pomeridianum P. W. Rundel 1963-7-7 1144 San Mateo San Francisco Bay drainage area; Kings Mtn Road; woodside. Santa Cruz Mountains 305 Comment
  SD39112  Chlorogalum pomeridianum Edith A. Purer 1933-5-31 3618 San Mateo Grade to Half Moon Bay. Comment
  UCSB17648  Chlorogalum pomeridianum Schulte, John 1963-4-27 San Mateo Jasper Ridge, 3 miles SW of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  CDA33536  Chondrilla juncea John Beall 2010-6-21 PDR# 1621666 San Mateo San Carlos, city block of El Camino Real, Olive Street, Arroyo St, & Laurel Street. 0 Comment
  CDA38625  Chondrilla juncea J. Beall 2012-7-27 PDR# 410 P06055583 San Mateo San Carlos; west side of Edmonds Road, near Crestview Drive and Edgewood Road. 0 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
  RSA489244  Chorizanthe membranacea C. Rose Broome, Cristalyn M. Cagle 1978-6-17 2166 San Mateo Nacimiento - Ferguson Road 3 miles east of its junction with California Highway 1, and 4.1 miles west of Nacimiento Guard Station, Los Padres National Forest 427 Comment
  POM222889  Chrysolepis chrysophylla S. S. Berry 1909-3-13 s.n. San Mateo King's Mt. Road. 549 Comment
  JROH2582  Cicendia quadrangularis John H. Thomas 1961-4-29 9182 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA176821  Cicendia quadrangularis John H. Thomas 1961-4-29 9182 San Mateo Jasper Ridge Biological Experimental Area, about five miles southwest of Palo Alto. Comment
  JROH2585  Cicendia quadrangularis John H. Thomas 1968-4-19 14301 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC285235  Cichorium intybus Philip Wheeler 1966-10-16 s.n. San Mateo San Bruno Mountain. West end of Crocker Industrial Park. West of quarry Comment
  CAS-BOT-BC277888  Cirsium brevistylum Phillip C. Wheeler 1965-5-11 s.n. San Mateo San Bruno Mountain. Southwest ravine below NBC Towers Comment
  POM203705  Cirsium brevistylum E. C. Sutliffe 1933-7-26 s.n. San Mateo Lobitos Canyon. 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
  UC306684  Cirsium fontinale var. fontinale A. D. E. Elmer 1903-6-1 4292 San Mateo Crystal Springs Lake Comment
  RSA0021449  Cirsium lanceolatum E. A. Purer 1933-8-13 5406 San Mateo Santa Clara Valley. Near Baden Station Comment
  CAS-BOT-BC285669  Cirsium occidentale var. occidentale A. D. E. Elmer 1903-6-1 4259 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC285672  Cirsium occidentale var. occidentale A. A. Heller 1906-6-8 8379 San Mateo Near Ocean View, San Francisco, on the Lake Merced side of the Ocean Shore tracks Comment
  CAS-BOT-BC285670  Cirsium occidentale var. occidentale John H. Thomas 1963-5-20 10118 San Mateo Anu Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  CAS-BOT-BC280131  Cirsium occidentale var. venustum Margaret A. Barry 1937-7-17 201 San Mateo Coal Mine Ridge Comment
  RSA18506  Cirsium occidentale var. venustum C. B. Wolf 1927-7-14 614 San Mateo Summit of Kings Mountain Rd. Comment
  CAS-BOT-BC280508  Cirsium quercetorum John H. Thomas 1955-4-6 4850 San Mateo East facing slope of San Bruno Mountain just north of South San Francisco 91 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
  UC175180  Cirsium quercetorum W. N. Suksdorf 1913-6-28 114 San Mateo San Bruno San Francisco Area, San Bruno Comment
  CAS-BOT-BC280502  Cirsium quercetorum John Thomas Howell 1939-6-16 14739 San Mateo Skyline Boulevard 4 miles w. of Burlingame Comment
  CAS-BOT-BC280504  Cirsium quercetorum L. R. Abrams 1918-4-30 7065 San Mateo Bayshore Road, San Bruno Hills Comment
  CAS-BOT-BC280515  Cirsium quercetorum Alice Eastwood 1922-5-28 11327 San Mateo Granada Comment
  CAS-BOT-BC280528  Cirsium quercetorum George Oberlander 1949-7-10 252 San Mateo San Francisco Watershed Reserve. East of Sawyer Ridge Comment
  RSA0070860  Cirsium quercetorum A. D. E. Elmer 1903-06 4290 San Mateo Crystal Springs Lake. Comment
  SEINET11832881  Cirsium quercetorum Unknown 1932-1 9149 San Mateo near Spring Lakes Comment
  CAS-BOT-BC285866  Cirsium vulgare Ned Cahill 1974-10-8 380 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  SEINET4900270  Clarkia cylindrica Paul D. Sorensen 1973-8-3 7337 San Mateo 1 mile W of junction with Page Mill Rd. and California 35 Comment
  CAS-BOT-BC163962  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-BC163964  Clarkia purpurea subsp. quadrivulnera W. R. Dudley 1894-5-1 s.n. San Mateo Road from Woodside to Crystal Spr. Reservoir Comment
  CAS-BOT-BC163968  Clarkia purpurea subsp. quadrivulnera W. R. Dudley 1903-5-31 s.n. San Mateo Alpine Road, Black Mt., Santa Cruz Range Comment
  CAS-BOT-BC164569  Clarkia purpurea subsp. viminea W. R. Dudley 1905-6-18 s.n. San Mateo Field near Iverson's Place naer Peter's Creek Comment
  SFV16946  Clarkia purpurea subsp. viminea J. N. Hogue 1980-9-1 81 .1 San Mateo Santa Cruz Mountains Near La Honda. Comment
  CAS-BOT-BC165141  Clarkia rubicunda Ira L. Wiggins 1938-7-9 8933 San Mateo Pigeon Point, about one half mile North of the Light House Comment
  CAS-BOT-BC165170  Clarkia rubicunda L. R. Abrams 1907-8-26 s.n. San Mateo Kings Mountain Comment
  CAS-BOT-BC165177  Clarkia rubicunda A. D. E. Elmer 1903-6-1 4310 San Mateo Crystal Springs Lake Comment
  JEPS82913  Clarkia rubicunda Roy E. Buck, Randall A. Morgan 1983-6-7 335 San Mateo in triangle of Edgewood and Canada Rds. and Hwy. I-280, n of small watercourse San Francisco Watershed Reserve 158 Comment
  UC1279949  Clarkia rubicunda Peter H. Raven 1957-6-30 11014 San Mateo 1.8 mi e Pescadero (on road along Pescadero Creek) Comment
  UC615203  Clarkia rubicunda Beryl O. Schreiber 1932-5-29 310 San Mateo Spring Valley Water Company Road Comment
  CAS-BOT-BC165169  Clarkia rubicunda George Oberlander 1949-8-20 377 San Mateo Grassland on Sawyers Ridge Comment
  CAS-BOT-BC165172  Clarkia rubicunda W. R. Dudley 1894-5-30 s.n. San Mateo Near Redwood City Comment
  CAS-BOT-BC165174  Clarkia rubicunda Peter H. Raven 1957-6-30 11017 San Mateo 3.0 miles from State Highway 5 (Skyline Boulevard) on road to Portola State Park Comment
  RSA18311  Clarkia rubicunda Carl B. Wolf 1927-7-14 600 San Mateo Summit of Kings Mountain Rd. Comment
  SD56674  Clarkia rubicunda Darley F. Howe 1963-7-31 3648 San Mateo 3 miles North of Pacifica on #1, on sea bluff. Comment
  SJSU11021  Clarkia rubicunda A. H. Lilliberg 1961-5-22 San Mateo by Woodside Heights Rd near Woodside Comment
  UC1279932  Clarkia rubicunda Peter H. Raven 1957-6-30 11013 San Mateo 1.8 mi n of bridge Pescadero Creek (State Highway 1) Comment
  POM32260  Clarkia rubicunda subsp. blasdalei Katherine Brandegee 1908-08 s.n. San Mateo Between San Pedro and Moss Beach Comment
  CAS-BOT-BC165606  Clarkia unguiculata A. D. E. Elmer 1903-6-1 4293 San Mateo Alpine School House Comment
  CAS-BOT-BC439291  Claytonia exigua subsp. exigua D. K. Gillespie 1930-4-21 9222 a San Mateo Emerald Lake near Redwood City. Comment
  CAS-BOT-BC439289  Claytonia exigua subsp. exigua L. R. Abrams 1904-4-10 s.n. San Mateo Santa Cruz Mountain Peninsula. Road from Woodside to Crystal Springs near junction of Redwood City Road. Comment
  CAS-BOT-BC439990  Claytonia perfoliata subsp. mexicana Peter H. Raven 1951-3-12 2746 San Mateo Summit ridge San Bruno Mountains Comment
  CAS-BOT-BC439992  Claytonia perfoliata subsp. mexicana John H. Thomas 1964-4-30 10363 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  JROH3413  Clematis lasiantha John H. Thomas 1973-3-12 16490 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA119755  Clematis lasiantha J. C. Murphy 1906-5-20 19 San Mateo Santa Cruz Mts. Comment
  SD49791  Clematis lasiantha John H. Thomas 1959-4-5 7666 San Mateo Jasper Ridge, about 5 miles southwest of Palo Alto, western end 152 Comment
  JROH3421  Clematis ligusticifolia Toni Corelli 2007-8-28 336 a San Mateo Jasper Ridge Biological Preserve, Stanford University; below Trail 2, above San Francisquito Creek along embankment 71 Comment
  JEPS121481  Clinopodium douglasii Adam C. Schneider 2013-5-17 126 San Mateo Crystal Springs Reservoir Comment
  UC2049875  Clinopodium douglasii H. W. Johansen 1958-6-1 92 San Mateo Store just outside Portola State Park. Comment
  CAS-BOT-BC499403  Clintonia andrewsiana Anna F. Rodda 1932-5-2 s.n. San Mateo Laguna Honda Comment
  POM196565  Clintonia andrewsiana W. R. Dudley 1895-6-6 s.n. San Mateo Pescadero Creek near Iverson. Comment
  RSA130676  Collinsia heterophylla Josephine Randall 1907-6-8 384 San Mateo Portola Valley. Santa Cruz Peninsula. Comment
  RSA104877  Collinsia heterophylla Elizabeth Sprague 1956-5-28 s.n. San Mateo 2 miles east of Skyline Drive on La Honda Rd. Comment
  CAS-BOT-BC240926  Collinsia multicolor Blanche Clear 1938-5-22 s.n. San Mateo On road to Emerald Lake Comment
  CAS-BOT-BC240931  Collinsia multicolor C. F. B. 1902-4-6 647 San Mateo Crystal Springs Lake Comment
  UC1736305  Collinsia multicolor Dean W. Taylor 1994-5-10 14276 San Mateo San Mateo Creek drainage; along Crystal Springs Road 0.3 mi East of junction of Tartan Trail 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
  JROH210  Conium maculatum John H. Thomas 1969-5-28 15081 San Mateo Jasper Ridge Biological Preserve, Stanford University; edge of lake Comment
  JROH1853  Convolvulus arvensis John Hunter Thomas 1986-6-3 24078 San Mateo Jasper Ridge Biological Preserve, Stanford University; old racing bowl Comment
  JROH1848  Convolvulus arvensis John Hunter Thomas 1978-5-12 19200 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC285991  Conyza bonariensis Peter H. Raven 1950-6-3 2222 San Mateo Along Millbrae Ave., Millbrae 60 Comment
  CAS-BOT-BC285993  Conyza bonariensis Ira L. Wiggins 1974-7-27 22109 San Mateo Crest of northerly bank of San Francisquito Creek, opposite 1455 Woodland Avenue, Menlo Park 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
  CAS-BOT-BC286204  Conyza canadensis Peter Rubtzoff; Patricia Fallon 1987-8-26 9845 San Mateo San Bruno Mountains. Main part of Saddle area Comment
  POM15833  Cordylanthus maritimus subsp. palustris Jos. Burtt Davy 1893-6-17 773 San Mateo Balmont Comment
  POM226854  Cordylanthus maritimus subsp. palustris L. R. Abrams 1914-7-16 s.n. San Mateo Cooley's Landing on San Francisco Bay Comment
  LA209069  Cordylanthus pilosus subsp. hansenii L. S. Rose; 1941-8-9 41362 San Mateo Woodside 60.0 Comment
  JEPS70048  Cordylanthus rigidus subsp. rigidus L. R. Heckard 1971-9-26 2828 San Mateo Kings Mt. road 4.4 mi above junction route 84 457 Comment
  CAS-BOT-BC101478  Corethrogyne filaginifolia C. F. B. 1902-5-10 810 San Mateo Crystal Springs Lake Comment
  JEPS15884  Corethrogyne filaginifolia Edward Lee Greene 1886-6-22 San Mateo Crystal Springs Comment
  POM88007  Corethrogyne filaginifolia var. californica L. R. Abrams 1902-5-11 2459 San Mateo Crystal Springs. Comment
  POM132435  Cornus californica C. F. Baker 1902-9-2 1551 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC210358  Cornus sericea Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain. Base of Quarry 2 Comment
  SEINET12137024  Cornus sericea subsp. occidentalis J. I. McMurphy 1906-1 22 San Mateo Los Francos Creek, Santa Cruz Mts Comment
  SEINET5740826 Image available Cornus sericea subsp. occidentalis R. E. Dengler 1960-1 30 San Mateo Wyndham Drive near Sausal Creek, Portola Valley.; Portola Valley 128 Comment
  JROH1877  Cornus sericea subsp. sericea John Hunter Thomas 1986-5-1 23987 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek near low flow crossing Comment
  CDA18373  Cortaderia selloana G. D. Barbe 1978-9-26 2441 San Mateo Skylawn Memorial Park; drive from Hwy 92 into the park. 716 Comment
  JROH4975  Cortaderia selloana John Hunter Thomas 1982-7-3 21060 San Mateo Jasper Ridge Biological Preserve, Stanford University. Lake edge Comment
  JROH1336  Corylus cornuta subsp. californica John Hunter Thomas 1981-2-14 20228 San Mateo Jasper Ridge Biological Preserve, Stanford University; redwood area below dam Comment
  POM196594  Corylus cornuta var. californica W. R. Dudley 1902-5-17 s.n. San Mateo King Mountain rd. Comment
  SEINET7876341 Image available Cotoneaster lacteus A. T. Whittemore 2001-1 01 -019 San Mateo Garden of 418 Hillway Dr., Redwood City. 98 Comment
  CAS-BOT-BC141553  Cotoneaster pannosus Walter Knight; Irja Knight 1964-9-2 s.n. San Mateo Crocker Avenue near Guadalupe Road - San Bruno Mountain Comment
  CAS-BOT-BC452290  Cotoneaster pannosus Elizabeth McClintock; Paul Reeberg 1988-5-30 s.n. San Mateo San Bruno Mountain; Colma Canyon 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
  JROH3644  Cotoneaster pannosus John Hunter Thomas 1983-6-2 22329 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH662  Cotula coronopifolia John Hunter Thomas 1981-7-12 20707 San Mateo Jasper Ridge Biological Preserve, Stanford University; edge of water along old beach Comment
  UC1119278  Cotula coronopifolia H. S. Yates 1935-5-8 5223 San Mateo 1 mi n Bolsa Pt.; Santa Cruz Quad. Comment
  CAS-BOT-BC291416  Cotula coronopifolia Gwendolan Newell 1914-7-8 s.n. San Mateo Pacific Grove Comment
  CAS-BOT-BC291469  Cotula coronopifolia Elmer I. Applegate 1895-3-9 293 San Mateo Field near Woodside Comment
  CAS-BOT-BC291470  Cotula coronopifolia R. Bacigalupi 1941-10-22 2747 San Mateo Very close to the San Francisco - San Mateo County Line Comment
  CAS-BOT-BC291472  Cotula coronopifolia Josephine D. Randall 1907-7-24 64 San Mateo Near Crystal Springs Lake, Santa Cruz Peninsula Comment
  CAS-BOT-BC291474  Cotula coronopifolia Daniel Cohen 1953-5-9 76 San Mateo Top of sea cliff at Pescadero Comment
  CAS-BOT-BC291477  Cotula coronopifolia John Thomas Howell 1924-9-28 660 San Mateo Leslie Salt Rifinery, San Mateo Comment
  RSA6409  Cotula coronopifolia D. D. Keck 1932-3-24 1403 San Mateo Redwood City, at border of San Francisco Bay. Comment
  UCD101808  Crassula aquatica W. R. Dudley 1910-5-26 s.n. San Mateo Coal Mine Ridge, near Block Mountain; Santa Cruz Mountain Peninsula. Comment
  RSA291922  Crassula aquatica Robert A. Norris 1981-11-7 4276 San Mateo Pond near Ano Nuevo Point. Comment
  JROH1889  Crassula connata John Hunter Thomas 1982-5-23 20813 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET12216216  Crassula connata E. McClintock, Knight, W.; Knight, I. 1982-1 4631 San Mateo from windy Kamchatka Point, San Bruno Mountain Comment
  JROH3651  Crataegus monogyna John H. Thomas 1965-4-10 10560 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH665  Crepis vesicaria subsp. taraxacifolia John H. Thomas 1962-6-10 9910 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Westridge Comment
  JROH5885  Crepis vesicaria subsp. taraxacifolia Ruth Porter 1998-4-28 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1838  Crocanthemum scoparium John H. Thomas 1977-5-4 18600 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC24006  Croton setiger Mary Katherine Wicksten 1971-7-20 181 San Mateo Huddart Park, by Redwood Shelter. Comment
  JROH1956  Croton setiger Duncan M. Porter 1960-10-12 727 San Mateo Jasper Ridge Biological Preserve, Stanford University; flat area on crest of the ridge (above area G) Comment
  JROH4986  Crypsis schoenoides John Hunter Thomas 1981-10-25 20763 San Mateo Jasper Ridge Biological Preserve, Stanford University. Delta Comment
  JROH4997  Crypsis schoenoides Toni Corelli 2006-9-20 331 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below Trail 12 In the dry Corte Madera streambed. 109 Comment
  UC78495  Cryptantha flaccida C. F. Baker 1902-4-6 468 San Mateo Crystal Springs Lake Comment
  SJSU7524  Cryptantha flaccida L. S. Rose 1966-5-2 66032 San Mateo Emerald L, W of Redwood City 91 Comment
  CAS-BOT-BC389709  Cryptantha intermedia L. Sigal 1969-6-1 s.n. San Mateo Belmont Comment
  SJSU15763  Cryptantha leiocarpa Toni Corelli 2010-5-17 627 San Mateo Pescadero State Beach and Marsh Natural Preserve, west side of Hwy. 1, along trail in dunes south of north parking lot 6 Comment
  UCSC007737  Cryptantha leiocarpa Becky Hendricks 2012-5-15 s.n. San Mateo Ano Nuevo State Park Comment
  JROH1369  Cryptantha micromeres John Rawlings 2011-6-14 1078 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail b between serpentine contact and large rock at uphill side of trail that marks the Piperia elongata site. 143 Comment
  JROH1371  Cryptantha microstachys Herbert Dengler 1960-5-31 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; firetrail on top of Nolan Ridge (the ridge N.E. of Corte Madera Cr. in chaparral -- about 200 yds W. of Westridge border) Comment
  JROH1374  Cryptantha microstachys John H. Thomas 1973-4-7 16518 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC903434  Cupressus abramsiana unknown San Mateo on the n bank of the North Fork of Butano Creek North Fork of Butano Creek ((common corner of Section 11 and 12, and 13 and 14, range 4W) Comment
Read comments Nov 11 2011
  RSA735620  Cupressus abramsiana subsp. butanoensis John Silba 2004-12-28 B- 423 San Mateo Pescadero County Park, on Butano Ridge, ca. 5.0-5.5 miles east of Dearborn Park Road 396 Comment
  CAS-BOT-BC80654  Cupressus goveniana W. R. Dudley s.n. San Mateo Ridge between Pescadero and Butano. Santa Cruz Mountains Comment
  CAS-BOT-BC224413  Cuscuta californica Josephine D. Randall 1907-7-23 107 San Mateo Santa Cruz Peninsula. Near Crystal Springs Lake Comment
  UCD163787  Cyclospermum leptophyllum Peter Rubtzoff 1988-6-25 9927 San Mateo Menlo Park, on Willow Road near Alma Street. Comment
  CAS-BOT-BC287329  Cynara cardunculus J. H. Thomas 1958-10-21 7487 San Mateo Near intersection of Bayshore Highway and Main St, Redwood City, near slough Comment
  CAS-BOT-BC287335  Cynara cardunculus John Thomas Howell 1956-11-14 31961 San Mateo Bayshore Highway just S of Main St, Redwood City Comment
  CAS-BOT-BC287340  Cynara cardunculus John Thomas Howell 1956-11-14 31961 San Mateo Bayshore Highway just S of Main St, Redwood City Comment
  CAS-BOT-BC287342  Cynara cardunculus John Thomas Howell 1956-11-14 31961 San Mateo Bayshore Highway just S of Main St, Redwood City Comment
  CAS-BOT-BC287344  Cynara cardunculus John H. Thomas 1960-6-25 8800 San Mateo Redwood City. Along or near a small creek running into Redwood Slough between El Camino Real and railroad tracks, near Maple St 7 Comment
  JEPS22117  Cynara cardunculus subsp. cardunculus J. H. Thomas 1958-10-21 7487 San Mateo near intersection of Bayshore Highway and Main Street; Redwood City Comment
  POM286864  Cynoglossum grande Lyman Benson 1929-3-2 988 San Mateo Hill above Lake 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
  JROH4380  Cyperus eragrostis John Hunter Thomas 1981-5-14 20577 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC114456  Cyperus eragrostis W. R. Dudley 1908-6-19 s.n. San Mateo Road from Tanforan to Jersey Dairy. Comment
  JROH5017  Dactylis glomerata John Hunter Thomas 1977-6-16 18753 San Mateo Jasper Ridge Biological Preserve, Stanford University. Weedy area near old racing oval Comment
  JROH5020  Dactylis glomerata John Hunter Thomas 1980-5-27 19990 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC192233  Danthonia californica L. R. A. 1902-5-11 2451 San Mateo Crystal Springs Comment
  JROH5036  Danthonia californica John H. Thomas 1967-6-1 12947 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD164680  Danthonia californica Peter Rubtzoff 1976-5-22 8547 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. East Fork Colma Creek Canyon area. Comment
  RSA18328  Danthonia californica var. americana C. B. Wolf 1929-5-10 3707 San Mateo Coast at Pigeon Pt. South of Pescadero. Comment
  RSA580827  Danthonia californica var. americana D. D. Keck 1932-5-6 1479 San Mateo Open hillside just west of Millbrae Highlands. 50 Comment
  JROH4163  Datura stramonium John H. Thomas 1976-10-16 18409 San Mateo Jasper Ridge Biological Preserve, Stanford University. Now dry delta in Searsville Lake at the mouth of Corte de Madera Creek Comment
  CHSC1953  Daucus pusillus A. Goekler 1929-5-10 San Mateo Moss Beach. Comment
  JROH230  Daucus pusillus John Hunter Thomas 1989-5-11 24742 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC702538  Deinandra corymbosa L. S. Rose 1941-8-9 41361 San Mateo Moss Beach, open sandy coastal fields Moss Beach 16 Comment
  UC990592  Deinandra corymbosa James I. McMurphy 1907-8-6 San Mateo between Woodside and Crystal Springs Comment
  CAS-BOT-BC287371  Deinandra corymbosa A. Kellogg; W. G. W. Harford 1868-6-10 486 San Mateo San Bruno Comment
  CAS-BOT-BC299221  Deinandra corymbosa subsp. corymbosa Alice Eastwood 1921-7-17 s.n. San Mateo Granada Comment
  CAS-BOT-BC299201  Deinandra corymbosa subsp. corymbosa James I. McMurphy 1909-10-8 s.n. San Mateo Below Whitehouse Creek east of Franklin Point Comment
  JROH3434  Delphinium californicum subsp. californicum John H. Thomas 1973-6-10 16811 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC9230  Delphinium decorum R. C. Bacigalupi 1922-3-1 s.n. San Mateo Near coast, vicinity of Pigeon Point 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
  SD1725  Delphinium hesperium Ulysses S. Grant IV Jun 1925 San Mateo Near La Honda Comment
  CAS-BOT-BC10284  Delphinium hesperium G. L. Clifton 1988-5-12 17836 San Mateo San Bruno Mountain, crest of northeast ridge of Guadalupe Hills 128 Comment
  CAS-BOT-BC10289  Delphinium hesperium J. H. Thomas 1949-5-29 564 San Mateo Alpine Road, about 1 mile beyond intersection with Mt. Home Road, going west Comment
  RSA122777  Delphinium hesperium N. K. Carlson 1935-6-29 107 San Mateo San Mateo: 1 mile S of Pescadero, Santa Cruz. 91 Comment
  JROH3444  Delphinium hesperium subsp. hesperium John H. Thomas 1976-5-26 18155 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC570175  Delphinium hesperium subsp. hesperium N. K. Carlson 1935-6-29 107 San Mateo 1 mi s Pescadero 91 Comment
  POM177534  Delphinium patens W. R. Dudley 1894-05 s.n. San Mateo Woodside to Crystal Springs Reservoir Comment
  CAS-BOT-BC116529  Delphinium patens subsp. patens W. Dudley 1896-4-4 s.n. San Mateo Near Crystal Springs Comment
  JROH3451  Delphinium patens subsp. patens John H. Thomas 1967-4-28 12718 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3454  Delphinium patens subsp. patens John H. Thomas 1976-4-3 18070 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC7931  Delphinium variegatum Doris Kildale Gillespie 1930-4-21 9221 San Mateo Emerald Lake near Redwood City Comment
  CAS-BOT-BC7940  Delphinium variegatum John Hunter Thomas 1971-5-2 15829 San Mateo near intersection of Canada and Edgewater Roads, about 4 miles SW of center of Redwood City 304 Comment
  CAS-BOT-BC7886  Delphinium variegatum K. Hofpaugh 1929-5-8 422 San Mateo Crystal Lake, Skyline Blvd. near San Francisco Comment
  RSA0008971  Delphinium variegatum subsp. apiculatum D. D. Keck 1933-5-11 2309 San Mateo Crystal Springs Lake 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
  POM176883  Dendromecon rigida Roxana S. Ferris 1920-4-26 1954 San Mateo Slopes above Peters Creek, Santa Cruz Mountain Peninsula 610 Comment
  CAS-BOT-BC631  Dendromecon rigida subsp. rigida Oliver Norvell 1931-3-2 1396 San Mateo La Honda Grade. Comment
  POM205845  Deschampsia cespitosa E. B. Copeland 1903-6-10 3305 San Mateo Montara Point. Comment
  CAS-BOT-BC192596  Deschampsia cespitosa subsp. holciformis L. R. Abrams 1932-5-26 s.n. San Mateo Hillside Drive, Burlingame Comment
  UCD63756  Deschampsia cespitosa subsp. holciformis P. B. Kennedy 1921-6-3 San Mateo Millbrae Ranch. Comment
  CAS-BOT-BC192634  Deschampsia danthonioides H. A. Dutton 1900-4-25 s.n. San Mateo Woodside Comment
  JROH5046  Deschampsia danthonioides John H. Thomas 1957-4-16 6654 B San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC201910  Deschampsia elongata W. R. Dudley 1910-5-26 s.n. San Mateo Coal Mine Ridge, near Black Mt. Comment
  CDA28787  Deschampsia elongata D. G. Kelch 2009-6-9 9 .394 San Mateo Santa Cruz Mtns.; King s Mtn. Rd. N of Summit Springs. Comment
  JROH5071  Deschampsia elongata John Hunter Thomas 1987-5-15 24285 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along road from low flow crossing to the west side of the dam. Comment
  CAS-BOT-BC201912  Deschampsia elongata M. E. Lang 1923-5-1 s.n. San Mateo (Coal Mine Ridge) Mud Lakes Comment
  CAS-BOT-BC902  Dicentra chrysantha L. R. Abrams 1921-5-25 8007 San Mateo Halfway to summit of Mt. Diablo Comment
  CLARK-A1528-683  Dicentra formosa William Horn, Jr. 1963-4-13 630413 #1 San Mateo Hillsborough 30 Comment
  CAS-BOT-BC500891  Dichelostemma capitatum Ned Cahill 1974-4-19 152 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JROH4654  Dichelostemma capitatum subsp. capitatum Elmer I. Applegate 1895-5-11 703 b San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Dam Comment
  CAS-BOT-BC502168  Dichelostemma congestum Fred Hemphill 1973-4-22 693 San Mateo San Carlos. Chaparral area north of Malabar Road and Melendy Drive. 207 Comment
  SBBG40470  Diplacus aurantiacus W. J. Dress 1951-5-12 San Mateo St Hwy 1, just S of Pigeon Point Comment
  CAS-BOT-BC150468  Diplacus aurantiacus Elizabeth McClintock; Paul Reeberg 1988-5-20 s.n. San Mateo Carter Street Comment
  JROH1909  Dipsacus sativus John H. Thomas 1969-6-4 15108 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC121867  Dirca occidentalis G. Edelbrock 1975-2-8 1 San Mateo San Francisco Watershed 152 Comment
  CAS-BOT-BC121868  Dirca occidentalis Alice Eastwood 1922-5-31 11334 San Mateo Crystal Springs Lakes Comment
  JROH4201  Dirca occidentalis John H. Thomas 1968-2-11 14144 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA15243  Dirca occidentalis Carl B. Wolf 1927-2-17 204 San Mateo Los Trancos Creek, 2 miles back of Stanford University. Comment
  RSA3067  Dirca occidentalis Carl B. Wolf 1931-8-20 2324 San Mateo Los Trancos Creek, 2 miles back of Stanford University, near Schenkel's Camp. 91 Comment
Read comments Jul 18 2011
  UC961171  Disporum hookeri G. H. Ward 1950-4-8 949 San Mateo 1 mi n of La Honda Comment
  POM277204  Disporum hookeri var. hookeri Lyman Benson 1937-8-15 8491 San Mateo Upper San Francisquito Creek, Mt. Range: Santa Cruz; Watershed: San Francisco Bay. 244 Comment
  RSA15289  Disporum hookeri var. hookeri Carl B. Wolf 1927-4-3 257 San Mateo 1 mile above La Honda. Santa Cruz Mountains Comment
  RSA244344  Disporum hookeri var. hookeri C. W. Tilforth, John Dourley 1973-7-19 933 San Mateo Gazos Creek Road, between Butano and Big Basin State Parks Comment
  POM196567  Disporum smithii W. R. Dudley 1896-4-17 s.n. San Mateo By road beyond La Honda Summit. Comment
  SACT000992  Distichlis spicata var. stolonifera Malcolm Nobs, S. Smith 1949-8-26 San Mateo Collected in the marshes at mouth of creek. Comment
  CDA20072  Dittrichia graveolens D. Pendleton 2002-10-16 PDR 065871 San Mateo San Francisco Bay Area; Sandhill Rd & Lawler Ranch Rd, W of Hwy 280. 0 Comment
  SEINET11973366  Dodecatheon clevelandii Unknown 1930-1 7436 San Mateo Jasper Ridge Comment
  JEPS30787  Dodecatheon clevelandii subsp. patulum G. Thomas Robbins 1937-4-11 89 San Mateo above San Mateo (on road to Woodside); above San Mateo Comment
  JROH3380  Dodecatheon hendersonii Le Roy Abrams 1901-3-3 1119 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3386  Dodecatheon hendersonii Herbert Dengler 1973-2-23 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. In oaks towards E. serp. Top of knoll from gully below 2nd enclosure. Comment
  SD38129  Dodecatheon hendersonii Marie Cummings 1933-4-11 3687 San Mateo Spring Valley Lake Comment
  JROH1508  Draba verna John Hunter Thomas 1981-4-4 20256 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam in road 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-BC159549  Drymocallis glandulosa var. glandulosa Hester Davis 1920-4-28 129 San Mateo Portola Valley - Santa Cruz Mountain Peninsula Comment
  JROH3738  Drymocallis glandulosa var. wrangelliana John Hunter Thomas 1985-5-7 23643 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA112450  Drymocallis glandulosa var. wrangelliana Josephine Randall 1907-7-7 340 San Mateo Kings Mtn. Comment
  RSA451896  Drymocallis glandulosa var. wrangelliana Glenn A. Gorelick 1967-4-14 s.n. San Mateo San Bruno Mts. overlooking Daly City near San Francisco. Comment
  CHSC39802  Dryopteris arguta Maxey-Jones 1928-5-21 San Mateo In La Honda Redwoods. Comment
Read comments Jul 7 2010
  JROH27  Dryopteris arguta John H. Thomas 1974-10-12 17623 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  SEINET11619627  Dryopteris arguta Unknown 1929-1 7295 San Mateo Kings Mt Comment
  UCSC008147  Dudleya Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC428361  Dudleya farinosa L. R. Abrams 1909-8-2 4272 San Mateo At Pescadero Comment
  OBI25820  Dudleya farinosa Robert Honda 1970-5-17 21 San Mateo Coyote Point Comment
  JROH1823  Dysphania multifida John H. Thomas 1976-10-16 18408 San Mateo Jasper Ridge Biological Preserve, Stanford University; now dry delta in Searsville Lake at the mouth of Corte de Madera Creek 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
  CAS-BOT-BC208923  Echinochloa crus-galli Paul Reeberg; Jake Sigg; Peter Rubtzoff 1991-8-10 s.n. San Mateo P.G.&E. Marsh - San Bruno Mountains Comment
  JROH5722  Echinochloa crus-galli John Rawlings 2015-9-22 1641 San Mateo Jasper Ridge Biological Preserve, Stanford University. In mud of Corte Madera Creek delta near open water 104 Comment
  JROH4308  Echinodorus berteroi John Hunter Thomas 1982-11-6 21213 San Mateo Jasper Ridge Biological Preserve, Stanford University; in water at edge of Searsville Lake near old bathing beach Comment
  CAS-BOT-BC229011  Eleocharis palustris Elizabeth McClintock; Paul Reeberg 1989-4-6 s.n. San Mateo San Bruno Mountains. At the base of Owl Canyon 45 Comment
  POM144805  Eleocharis palustris E. B. Copeland 1903-03 3340 San Mateo Searsville. Comment
  RSA176541  Elymus X gouldii John H. Thomas 1963-6-23 10159 San Mateo Along Alpine Road near Ladera Comment
  JROH5116  Elymus X hansenii Toni Corelli 2005-6-1 290 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 11 before Trail 9. 112 Comment
  POM352566  Elymus californicus P. H. Raven 1967-6-25 21418 San Mateo Pescadero Road 2.8 miles SW of Alpine Road. Comment
  POM295861  Elymus glaucus Lyman Benson 1937-6-24 83906 San Mateo Coal Mine Ridge; Santa Cruz Mt. Range; South of Stanford University 396 Comment
Read comments Sep 22 2011
  CAS-BOT-BC203689  Elymus glaucus subsp. glaucus George Oberlander 1950-5-6 931 San Mateo San Francisco Watershed Reserve. Pilarcitos Canyon Comment
  CAS-BOT-BC203691  Elymus glaucus subsp. glaucus W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. South slope, Montara Mts. Comment
  JROH5102  Elymus glaucus subsp. glaucus John H. Thomas 1967-6-1 12951 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5105  Elymus glaucus subsp. glaucus John H. Thomas 1973-6-15 16847 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC235207  Elymus multisetus Phillip C. Wheeler 1965-5-25 s.n. San Mateo San Bruno Mountain. Brisbane Canyon Comment
  CAS-BOT-BC235208  Elymus multisetus John H. Thomas 1971-5-2 15811 San Mateo Near intersection of Canada Road and Edgewood Road, about three miles westward from Redwood City 152 Comment
  JROH5127  Elymus multisetus John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM254417  Epilobium brachycarpum F. W. Peirson 1925-9-13 6428 San Mateo Rockaway beach Comment
  UC124424  Epilobium canum subsp. canum C. F. Baker 1902-10-20 52 San Mateo summit of Coast Range Comment
  UC1537611  Epilobium ciliatum subsp. watsonii Gordon H. True Jr. 1936-6-7 481 San Mateo 2 mi s Pescadero (gully along coast highway) 15 Comment
  JROH3064  Epilobium densiflorum John Hunter Thomas 1979-9-9 19726 San Mateo Jasper Ridge Biological Preserve, Stanford University; edge of Searsville Lake Comment
  JROH64  Equisetum hyemale subsp. affine Toni Corelli 2005-10-12 307 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 13, north side of Leonard's bridge. 106 Comment
  CAS-BOT-BC57181  Equisetum hyemale subsp. affine Roxana S. Ferris 1921-3-20 2113 San Mateo Pescadero Creek Comment
  CHSC25149  Equisetum telmateia subsp. braunii R. N. Bowman 1971-4-5 9 San Mateo 10.7 mi. N.W. of Big Basin State Park office on Gazos Creek Rd., ca. 15 yds. W. of rd. along Streambed. 91 Comment
  JROH66  Equisetum telmateia subsp. braunii John H. Thomas 1974-5-3 17245 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek. Below dam. Comment
  SEINET3866732  Equisetum telmateia var. braunii L. Thorne, N. Thorne 1990-7-4 14 San Mateo Butano Canyon above Pescadero.; 0 Comment
  JROH644  Erigeron bonariensis John H. Thomas 1972-8-18 16156 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH645  Erigeron bonariensis John H. Thomas 1972-8-18 16156 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5587  Erigeron foliosus var. foliosus Winkie Lennihan 1989-6-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; north of Hillside Lab just south of Trail 7 152 Comment
  CAS-BOT-BC295083  Erigeron glaucus Robert Robertson 1954-5-1 123 San Mateo Pebble Beach 12 Comment
  CHSC320  Erigeron glaucus B. Richardson 1929-5-11 San Mateo Moss Beach. 9 Comment
  UCR240776  Erigeron glaucus T. B. Salvato, Lia V. D. Mansfield, Joel-Henry J. Mansfield 2008-6-14 3521 San Mateo Central Coast, Pebble Beach State Beach, 12.5 mi north of Santa Cruz Co. line, along Hwy 1, Pacific Coast Hwy, 1.65 mi south of road to Pesacadero and 16 mi south of Half Moon Bay 11 Comment
  CAS-BOT-BC216249  Eriodictyon californicum George Oberlander 1949-4-30 133 San Mateo Sweeney Ridge, San Francisco Watershed Reserve Comment
  JROH2727  Eriodictyon californicum Raymond R. White 1974-6-3 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; area H Comment
  LA205645  Eriodictyon californicum Lewis S. Rose; 1941-7-2 41288 San Mateo Kings Mountain 480.0 Comment
  POM263620  Eriodictyon californicum L. S. Rose 1941-7-2 41288 San Mateo Kings Mountain. 480 Comment
  UC662625  Eriodictyon californicum L. S. Rose 1941-7-2 41288 San Mateo Kings Mountain 480 Comment
  JEPS111098  Eriogonum gracile Zoe Ellis Chandik 1992-7-14 92 -5 San Mateo on east side of Hwy 280, 0.3 miles north of Woodside Road Comment
  RSA176769  Eriogonum latifolium John H. Thomas 1963-7-19 10185 San Mateo Ano Nuevo Island, about 0.5 mile off shore and about 20 mi. NW of Santa Cruz. Comment
  RSA3885  Eriogonum latifolium I. L. Wiggins 1929-7-4 3797 San Mateo Pescadero Beach Comment
  UC1442465  Eriogonum latifolium James L. Reveal 1968-8-6 San Mateo San Gregorio Beach Comment
  UC311072  Eriogonum latifolium A. D. E. Elmer July, 1903 4557 San Mateo Half Moon Bay Comment
  CAS-BOT-BC251975  Eriogonum latifolium Phillip C. Wheeler 1965-5-18 s.n. San Mateo Base of the mountain adjacent to Olivet Cemetery Comment
  SEINET11938065  Eriogonum latifolium E. H. Graham 1931-1 6932 San Mateo Ano Nuevo Point, S of San Francisco Comment
  SEINET3814248 Image available Eriogonum latifolium Lewis S. Rose 1933-7-21 33307 San Mateo Montara. Comment
  CAS-BOT-BC264775  Eriogonum luteolum L. S. Rose 1941-9-2 41432 San Mateo Emerald Lake, west of Redwood City 90 Comment
  JEPS111094  Eriogonum luteolum Zoe Ellis Chandik 1992-7-14 92 -2 San Mateo Crystal Springs Reservoir, south edge of serpentine (sludge) talus slope, below Hwy 280 on San Francisco Watershed land, 0.1 mi N of Hwy 92 (Ralston Ave.) east of junction with Skyline Blvd 121 Comment
  CAS-BOT-BC269006  Eriogonum nudum var. auriculatum Lewis S. Rose 1964-9-9 64074 San Mateo Emerald Lake, w. of Redwood City 243 Comment
  RSA95580  Eriogonum nudum var. auriculatum L. S. Rose 1953-6-29 53047 San Mateo 0.5 mile E of Crystal Springs Lake on road to Belmont. Comment
  SD38955  Eriogonum nudum var. auriculatum Edith A. Purer 1933-7-27 5401 San Mateo Along Bayshore Highway near Redwood City Comment
  SJSU15946  Eriogonum nudum var. nudum John Rawlings, Ken Hickman 2016-5-26 1822 B San Mateo Serpentine seep area up-slope from the Hwy 92 west onramp to Hwy 280 north; down-slope from San Francisco Watershed fence line 122 Comment
  CAS-BOT-BC304076  Eriophyllum confertiflorum Elizabeth McClintock 1965-6-13 s.n. San Mateo San Bruno Mt. Lower slope on S side above Olivet Cemetary Comment
  JROH709  Eriophyllum confertiflorum var. confertiflorum John Hunter Thomas 1980-6-5 19996 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC301259  Eriophyllum lanatum var. arachnoideum W. R. Dudley 1894-5-1 s.n. San Mateo Woodside to Crystal Springs Reservoir 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
  JEPS19486  Eriophyllum lanatum var. arachnoideum Peter H. Raven 1957-6-24 10963 San Mateo just s of Linda Mar Comment
  POM49712  Eriophyllum lanatum var. arachnoideum L. R. Abrams 1902-5-17 2472 San Mateo Kings Mountain Comment
  RSA116767  Eriophyllum lanatum var. arachnoideum W. R. Dudley 1906-6-12 s.n. San Mateo W Union Gulch, back of Winery; Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC124130  Eriophyllum latilobum Amos Arthur Heller 1907-5-28 8584 San Mateo Back of San Mateo on the Half Moon Bay road Comment
  POM204323  Eriophyllum staechadifolium I. L. Wiggins 1929-7-4 3793 San Mateo Pescadero Beach Comment
  CAS-BOT-BC301975  Eriophyllum staechadifolium Saichi Kawahara 1968-6-15 436 San Mateo Pescadero Beach, 150 yards south of mouth of Pescadero Creek, Highway 1 4 Comment
  RSA302653  Eriophyllum staechadifolium Jim Shevock 1970-11-25 551 San Mateo Along Hwy 1 9 Comment
  JROH2599  Erodium botrys John H. Thomas 1974-4-4 17085 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA391840  Erodium cicutarium Glenn A. Gorelick 1967-4-4 s.n. San Mateo San Bruno Mts; overlooking Daly City near San Francisco. Comment
  UCSC007744  Erodium cicutarium Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  JROH2609  Erodium moschatum John Rawlings 2013-4-30 1174 San Mateo Jasper Ridge Biological Preserve, Stanford University. Rd. B vicinity of Dennis Martin site. 79 Comment
  UC874914  Eryngium armatum Alice Eastwood and John Thomas Howell 1938-6-26 6065 San Mateo Arroyo de los Frijoles Comment
  JROH5639  Eryngium jepsonii John Rawlings 2014-6-7 1262 San Mateo Jasper Ridge Biological Preserve, Stanford University. 100 yards west from Escobar Gate, 20 yards north of road F. 161 Comment
  CAS-BOT-BC54820  Erysimum franciscanum Javier Penalosa 1963-3-30 2735 San Mateo San Bruno Mountains. North of Randolph Drive at Hillside Boulevard. In South San Francisco. 289 Comment
  CAS-BOT-BC54833  Erysimum franciscanum G. B. Rossbach 1955-3-12 567 San Mateo Lower west slope Pulgas Ridge above east shore Crystal Spring Lake. 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-BC54873  Erysimum franciscanum John H. Thomas 1965-4-29 10608 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  CAS-BOT-BC54885  Erysimum franciscanum Roxania Strichfield 1916-3-10 264 San Mateo Santa Cruz Mountain Peninsula. Crystal Springs Lake. Comment
  RSA101842B  Erysimum franciscanum G. B. Rossbach 1939-4-2 908 -b San Mateo Just above and west of South end of San andreas Lake 213 Comment
  RSA101912  Erysimum franciscanum G. B. Rossbach 1939-5-12 900 San Mateo 2.5 miles N of Montara near Devil s Slide Comment
  RSA102128  Erysimum franciscanum G. B. Rossbach 1955-3-26 573 San Mateo 1 mile North of Sharp Park (Salada) Comment
  RSA102129  Erysimum franciscanum G. B. Rossbach 1955-3-12 568 San Mateo Inland and SE of Devil s Slide, W edge of Montata Mountains 122 Comment
  UC1034712  Erysimum franciscanum G. B. Rossbach 1955-3-12 569 San Mateo n face of slide s Pedro Point (w edge of Montara Mts.); Devil's Slide 121 Comment
  UC1034933  Erysimum franciscanum G. B. and R. P. Rossbach 1939-4 907 a & b San Mateo above rd. n. end of Sawyer Ridge (between San Andreas Lake & San Mateo Creek) 289 Comment
  PGM188  Erysimum franciscanum Vern Yadon 1968-4-5 San Mateo Pigeon Pt Lighthouse area Highway 1, Pigeon Pt Lighthouse just S of Comment
  SEINET11989205  Erysimum franciscanum E. McClintock, Knight, W.; Knight, I. 1982-1 4638 San Mateo Kamchatka Point, San Bruno Mountain Comment
  SJSU12766  Erysimum franciscanum S. L. Jones 1986-4-6 87 San Mateo Montara Mt 188 Comment
  SD234188  Erythranthe guttata Claude Bonang 1958-4-4 7 San Mateo Woods along road from Searsville Lake to Jasper Ridge. 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-BC403530  Eschscholzia californica Alice Eastwood 1937-7-25 18893 San Mateo Pebble Beach, Pescadero Comment
  CAS-BOT-BC403534  Eschscholzia californica Le Roy Abrams 1902-5-11 2453 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC403537  Eschscholzia californica A. D. E. Elmer 1903-6-1 4680 San Mateo Crystal Springs Lake Comment
  JEPS51732  Eschscholzia californica Dr. L. M. Newlon 1921-1 246 San Mateo sea shore from Salada to Mussel Comment
  CAS-BOT-BC403532  Eschscholzia californica W. R. Dudley 1894-3-25 s.n. San Mateo Santa Cruz Peninsula. Near Bebble Beach at Pescadero Comment
  CAS-BOT-BC403545  Eschscholzia californica H. L. Mason 1922-3-26 s.n. San Mateo Mouth of Gazos Creek Comment
  RSA15341  Eschscholzia californica subsp. californica Carl B. Wolf 1927-1-29 152 San Mateo Near coast between Pescadero and Pebble Beach Comment
  CAS-BOT-BC389665  Euonymus occidentalis Jeff Mitchell 1971-7-1 159 San Mateo Memorial Park Comment
  RSA116765  Euonymus occidentalis H. L. Mason 1921-1 s.n. San Mateo San Francisquito Creek near Searsville Lake. Comment
  POM282553  Euphorbia crenulata Lyman Benson 1930-5-3 2089 San Mateo Above Woodside, Mt. Range: Santa Cruz 244 Comment
  UC17678  Euphorbia crenulata J. Burtt Davy Jun 21 1893-Jun 23 1893 San Mateo Pilarcitos Lake and Pilarcitos Canyon; Pilarcitos Canyon, Pilarcitos Lake Comment
  HSC103383  Euphorbia oblongata Don Pendleton 2001-4-30 64453 San Mateo Along Sandhill Rd., next to Jasper Ridge Biological Reserve, on the north side of Portola Road, Portola Valley. Comment
  JROH1969  Euphorbia peplus John H. Thomas 1967-6-1 12978 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1974  Euphorbia spathulata John H. Thomas 1974-4-4 17083 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM137493  Euphorbia spathulata A. D. E. Elmer 1903-04 4740 San Mateo Crystal Springs Lake. 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
  CAS-BOT-BC310624  Eurybia radulina A. D. E. Elmer 1903-7-1 4973 San Mateo Portola Comment
  CAS-BOT-BC310622  Eurybia radulina George Oberlander 1949-7-10 364 San Mateo San Francisco Watershed Reserve. On Sawyer Ridge Comment
  CAS-BOT-BC459225  Euthamia occidentalis David D. Keck 1931-9-27 1272 San Mateo Dumbarton Bridge Comment
  JROH5162  Festuca arundinacea John Hunter Thomas 1988-5-12 24457 San Mateo Jasper Ridge Biological Preserve, Stanford University; near bridge between the two parts of Searsville Lake Comment
  JROH5947  Festuca bromoides John Rawlings 2017-4-9 1992 San Mateo Jasper Ridge Biological Preserve, Stanford University; path from Field Station to the top of the Dam, 116 Comment
  JROH5178  Festuca californica W. Lennihan 1990-4-20 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Eastern draw, 40 yards down. Comment
  UC1106220  Festuca elmeri Peter H. Raven 1950-6-3 2252 San Mateo woods around San Andreas Lake San Andreas Lake Comment
  CAS-BOT-BC278479  Festuca idahoensis Elizabeth McClintock 1963-6-9 s.n. San Mateo San Bruno Mountain Comment
  CAS-BOT-BC278480  Festuca idahoensis Elizabeth McClintock; Paul Reeberg 1989-5-16 s.n. San Mateo San Bruno Mountain. On ridge east of East Powerline, on south side of Southeast Ridge 274 Comment
  JROH5483  Festuca microstachys S. J. McNaughton 1966-1-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. On serpentine grasslands of Ehrlich's Area H. Comment
  JROH5488  Festuca microstachys Dengler 1963-5-19 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5491  Festuca microstachys Stephen N. Turitzin 1976-3-7 5 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5504  Festuca myuros W. Lennihan 1989-4-6 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. By parking lot near marsh. 108 Comment
  UC429787  Festuca roemeri LeRoy Abrams 1902-5-11 2450 San Mateo Crystal Springs Comment
  RSA218035  Filago gallica Walter Knight, I. Knight 1967-5-16 s.n. San Mateo Randolph Ave., south San Francisco Comment
  RSA152236  Fragaria californica I. L. Wiggins 1925-04 1647 San Mateo On Kings Mtn Road three fourths of a mile above Woodside. Comment
  SEINET3814856 Image available Fragaria californica Lewis S. Rose 1933-6-23 33251 San Mateo Kings Mountain. Comment
  CAS-BOT-BC437039  Fragaria chiloensis Walter Knight; Irja Knight 1964-4-25 688 San Mateo West of Radio Road, San Bruno Mountain Comment
  UC917281  Fragaria vesca W. A. Harvey and J. M. Tucker 1948-6-29 1705 San Mateo just w road to Portola State Park jct with Highway 5 (Skyline Blvd) (beside road to Portola State Park) Comment
  CAS-BOT-BC457511  Fragaria vesca subsp. californica Elizabeth McClintock; Paul Reeberg 1989-2-4 s.n. San Mateo Between Poison Oak Ravine and Tank Ravine, San Bruno Mountains Comment
  CAS-BOT-BC457513  Fragaria vesca subsp. californica W. R. Dudley 1894-5-1 s.n. San Mateo Woodside to Crystal Springs, Santa Cruz Pennisula Comment
  CAS-BOT-BC52680  Frangula californica subsp. californica Elizabeth McClintock 1965-3-28 s.n. San Mateo North Power Line Ridge Comment
  JROH3540  Frangula californica subsp. californica John H. Thomas 1973-5-5 16770 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3546  Frangula californica subsp. californica John Hunter Thomas 1978-7-2 19250 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC53597  Frangula californica subsp. tomentella John H. Thomas 1969-10-19 15484 San Mateo near Canada College, Redwood City, just off of Farm Hill Blvd Comment
  CAS-BOT-BC53601  Frangula californica subsp. tomentella O. Boring 1897-8-25 s.n. San Mateo Near Kings Mt. House Comment
  JROH3574  Frangula californica subsp. tomentella John Hunter Thomas 1981-2-14 20213 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET6671082 Image available Frankenia grandifolia Lewis S. Rose 1938-1 38230 San Mateo Brisbane 2 Comment
  SEINET3558049 Image available Frankenia grandifolia Lewis S. Rose 1933-7-20 33304 San Mateo Granada Sea Beach. Comment
  RSA391414  Frankenia salina D. D. Keck 1931-9-27 1269 San Mateo Dumbarton Bridge. Comment
  UC136741  Frankenia salina Dr. E. B. Copeland 1903-6-18 3313 San Mateo Half Moon Bay Half Moon Bay (on sea coast on edge of cliff) Comment
  UC872056  Frankenia salina Roxana Stinchfield 1915-9-19 251 San Mateo salt marshes Santa Cruz Mountain Peninsula, Palo Alto Comment
  CAS-BOT-BC211609  Frankenia salina John Thomas Howell 1924-9-28 659 San Mateo Leslie Salt Refinery Comment
  CAS-BOT-BC223549  Fraxinus latifolia W. R. Dudley 1894-4-13 s.n. San Mateo Santa Cruz Peninsula. By San Francisquito Creek near Big Tree Comment
  CAS-BOT-BC130146  Fritillaria affinis J. H. Thomas 1954-6-11 4268 San Mateo Along San Gregorio Creek about 1.5 mi. W. of La Honda 106 Comment
  JROH4685  Fritillaria affinis John H. Thomas 1977-4-29 18573 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA196570  Fritillaria affinis W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Peninsula; ravine above Pillar Point and below Montara Mountains Comment
  SEINET12044993  Fritillaria affinis J. D. Randall 1908-1 s.n. San Mateo King's Mt., Santa Cruz Peninsula Comment
  SEINET12054471  Fritillaria affinis Cummings, McCallum, G. A. 1933-1 s.n. San Mateo near La Honda Comment
  CAS-BOT-BC130386  Fritillaria liliacea John H. Thomas 1969-4-30 15031 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  SD39121  Fritillaria liliacea Marie Cummings 1933-4-11 7 San Mateo Spring Valley Lake. 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
  RSA0037218  Fumaria Peter Rubtzoff 1988-5-12 9921 San Mateo San Bruno Mountain. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction; NW part of the area, near the old Guadalupe Road between Bog Trail and Saddle Trail Junctions. Comment
  CAS-BOT-BC258909  Galium Peter Rubtzoff 1988-6-25 9928 San Mateo Menlo Park, on Willow Road near Alma Street. Comment
  RSA101002  Galium aparine G. Oberlander 1949-4-30 113 San Mateo Pilarcitos Canyon. San Francisco Watershed Reserve. Comment
  UCD121717  Galium aparine Mary Lou Linvill 1972-5-16 14 San Mateo Coast Range; Mountain Home Road, 0.2 mile east of Mountain Wood Lane, Woodside. Comment
  UCSB9136  Galium aparine Walker, Clifford 1954-4-20 San Mateo 50 yards from ocean; 1 mi S. of Half Moon Bay 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
  JROH3792  Galium murale John H. Thomas 1968-3-17 14189 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3812  Galium porrigens var. porrigens John Hunter Thomas 1981-5-25 20619 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
  JROH803  Gamochaeta ustulata John Hunter Thomas 1987-5-5 24245 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH804  Gamochaeta ustulata John Hunter Thomas 1989-5-5 24659 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC483490  Gamochaeta ustulata Ira L. Wiggins 1929-7-4 3772 San Mateo 4 mi w La Honda (on hill road to Pescadero Beach) Comment
  CAS-BOT-BC194562  Garrya elliptica D. E. Breedlove 1974-5-13 36203 San Mateo Brushy slopes San Pedro Park, Pacifica 152 Comment
  CAS-BOT-BC194564  Garrya elliptica Margaret A. Barry 1938-1-23 222 San Mateo Northeast side of Coal Mine Ridge Comment
  CAS-BOT-BC194568  Garrya elliptica Helen M. Edwards 1917-2-1 s.n. San Mateo Los Trancos Woods Comment
  JROH2541  Garrya elliptica E. A. McGregor 1907-2-10 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University 243 Comment
  POM132460  Garrya elliptica A. D. E. Elmer 1903-02 4469 San Mateo Portola. Comment
  SD12562  Garrya elliptica Gill D. Demaree 1930-2-1 San Mateo Road to Los Trancos Woods Comment
  UC1140923  Garrya elliptica W. R. Dudley 1895-2-10 San Mateo San Mateo Ravine Santa Cruz Peninsula (by road above point of rocks) Comment
  JROH5854  Gastridium phleoides John Rawlings 2004-5-15 0905 San Mateo Jasper Ridge Biological Preserve, Stanford University; mowed fire-truck turn-around south side of Rd F, west of Escobar Gate and east of Tr. 15 165 Comment
  CAS-BOT-BC219142  Genista monspessulana Phillip Wheeler 1965-6-8 s.n. San Mateo San Bruno Mountain. Bayshore, cut area 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
  CAS-BOT-BC219147  Genista monspessulana Elizabeth McClintock; Philip Wheeler 1967-6-11 s.n. San Mateo San Bruno Mountain. Radio Road in the Eucalyptus area. Comment
  JROH2000  Genista monspessulana John H. Thomas 1960-4-22 8594 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2006  Genista monspessulana John H. Thomas 1961-5-5 9208 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below Searsville Dam 76 Comment
  SFV8455  Genista monspessulana M. L. Linvill 1972-5-16 9 San Mateo Woodside. Mountain Home Road, 0.2 miles from Mountain Wood Lane. Comment
  CAS-BOT-BC219148  Genista monspessulana Doris M. Ladd 1954-5-1 50 San Mateo Road to La Honda, near Five Points Comment
  RSA0028486  Geranium dissectum John H. Thomas 1954-4-3 3825 San Mateo San Gregorio Creek drainage, 1.2 miles inland from San Gregorio. 61 Comment
  UCSC007748  Geranium dissectum Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  UC774606  Gilia achilleifolia subsp. achilleifolia Carl B. Wolf 1938-4-24 9401 San Mateo 1/4 mi sw San Francisquito Creek Bridge (Stanford University); , sw of San Francisquito Creek Bridge 60 Comment
  JROH3163  Gilia clivorum John H. Thomas 1963-3-20 10025 San Mateo Jasper Ridge Biological Preserve, Stanford University; near poppy knoll Comment
  UC75487  Gilia clivorum C. F. Baker Apr 1903 1930 San Mateo Crystal Springs Lake Comment
  JROH3168  Gilia clivorum John Hunter Thomas 1991-5-2 25010 San Mateo Jasper Ridge Biological Preserve, Stanford University; near exclosure Comment
  SEINET10464411  Githopsis diffusa subsp. robusta Barry 1937-5-15 BARRY s.n. San Mateo Comment
  CAS-BOT-BC303681  Glebionis coronaria J. H. Thomas 1961-5-7 9245 San Mateo Colma. Near intersection of El Camino Real and F Street 45 Comment
  RSA17890  Gnaphalium chilense C. B. Wolf 1927-6-15 s.n. San Mateo Skyline Boulevard, S of San Francisco Comment
  RSA101023  Gnaphalium palustre G. Oberlander 1949-7-30 322 San Mateo San Andreas Lake, San Francisco Watershed Reserve. Comment
  SEINET11849477  Gnaphalium palustre Unknown 1932-1 9161 San Mateo Gov. Rolph Estate Comment
  JEPS67910  Gratiola ebracteata L. R. Heckard and J. H. Thomas 1972-4-16 2893 San Mateo along Old Canada Road (private) ca 1 1/2 mi s Pulgas Water Temple ((sw of Upper Crystal Springs Reservoir)); sw of Upper Crystal Springs Reservoir 121 Comment
  CAS-BOT-BC302083  Grindelia Paul Reeberg 1989-5-19 s.n. San Mateo San Bruno Mountains. On ridge between Firth Canron [Canyon] & Brisbane Ravine, uphill water tank 152 Comment
  SEINET11835908  Grindelia E. A. Purer 1933-1 5369 San Mateo 2 mi S of Pigeon Point Comment
  SD12565  Grindelia arenicola Edith A. Purer 1933-7-27 5369 San Mateo 2 miles south of Pigeon Point Comment
  JROH811  Grindelia camporum G. H. Mallory 1909-7-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; south end of Jasper Ridge Comment
  CAS-BOT-BC304509  Grindelia hirsutula Paul H. Arnaud, Jr. 1963-9-15 s.n. San Mateo Redwood City 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-BC304535  Grindelia hirsutula George Oberlander 1950-7-15 1099 San Mateo San Francisco Watershed Reserve. Northern Cahill Ridge Comment
  CAS-BOT-BC304540  Grindelia hirsutula Alice Eastwood 1912-6-10 322 San Mateo Crystal Springs Comment
  CAS-BOT-BC304542  Grindelia hirsutula W. R. Dudley 1894-5-30 s.n. San Mateo Santa Cruz Peninsula. Near Redwood City Comment
  CAS-BOT-BC304544  Grindelia hirsutula W. R. Dudley 1894-5-1 s.n. San Mateo Santa Cruz Peninsula. Near San Mateo Comment
  JEPS29417  Grindelia hirsutula L. R. Heckard 1961-7-16 1264 San Mateo across road from transmitting station KQED (near summit of San Bruno Mt.); San Bruno Mt. 335 Comment
  JEPS89739  Grindelia hirsutula Dean W. Taylor 1988-3-30 9480 San Mateo n. slope of s.e. ridge San Bruno Mt. (near ridgecrest, right-of-way of eastern-most set of PG & E high-voltage powerlines crossing the mt.); Santa Cruz Mts., San Francisco South 7 1/2 Quad., San Bruno 237 Comment
  SD39801  Grindelia hirsutula Edith A. Purer 1933-7-27 5369 San Mateo Sand dunes, two miles south of Pigeon Point. Comment
  UC1599358  Grindelia hirsutula L. R. Heckard 1961-7-16 1264 San Mateo across road from transmitting station KQED (near summit of mt.); San Bruno Mt. 335 Comment
  UC1599359  Grindelia hirsutula L. R. Heckard 1961-7-16 1258 San Mateo ne-facing slope to ne transmitting station KQED (near summit of mt.); San Bruno Mt. 335 Comment
  CAS-BOT-BC304547  Grindelia hirsutula Alice Eastwood; John Thomas Howell 1939-7-9 7437 San Mateo Hills sw. of Daly City Comment
  JROH822  Grindelia hirsutula John Hunter Thomas 1981-5-25 20630 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET10614592 Image available Grindelia hirsutula Wilhelm N. Suksdorf 1913-6-23 Suksdorf 279 San Mateo Crystal Springs Lake. Comment
  SEINET7010152  Grindelia humilis R. A. Evers, Clara V. Evers 1975-8-24 115023 San Mateo Trailer Villa, Redwood City. Comment
  CHSC22931  Grindelia stricta Robert A. Schlising; Glenn Keator 1962-2-3 2050 San Mateo Coast Ranges. Shore; along area at Gazos Creek and Highway 1. Comment
  CHSC345  Grindelia stricta var. platyphylla B. Richardson 1929-5-11 San Mateo Moss Beach. 4 Comment
  RSA184825  Grindelia stricta var. platyphylla L. S. Rose 1965-9-4 65102 San Mateo Pillar Point. 15 Comment
  RSA502346  Grindelia stricta var. platyphylla D. W. Taylor 1988-6-5 9789 San Mateo Hwy 1 at 'Big Slide,' a steep, eroding section of coastal bluff 1 mile N of Montara; Santa Cruz Mountains. 76 Comment
Read comments Aug 25 2016
  UCSC006056  Grindelia stricta var. platyphylla Randall Morgan 1999-7-12 3587 San Mateo 1+ mile north of Bean Hollow State Beach Comment
  SJSU16061  Hedypnois cretica Toni Corelli 2010-4-9 514 San Mateo Rockaway Headlands, southwest of Rockaway Beach, Pacifica Comment
  CAS-BOT-BC306285  Hedypnois cretica Thayne C. Parks 1963-5-28 321 San Mateo In Woodside Road, about 2 miles east of summit Comment
  UC1537048  Helenium puberulum Gordon H. True Jr. 1937-7-23 805 San Mateo along Skyline Blvd. to Salada Beach Road 304 Comment
  UC1598594  Helenium puberulum A. D. E. Elmer Jul 1903 4972 San Mateo Crystal Springs Lake Comment
  UC407000  Helenium puberulum W. R. Dudley 1895-6-14 San Mateo near Searsville; San Francisquito Creek Comment
  CAS-BOT-BC309528  Helenium puberulum Philip Wheeler 1965-6-16 s.n. San Mateo San Bruno Mountain. In Colma Canyon Comment
  CAS-BOT-BC344859  Helenium puberulum Peter Rubtzoff 1976-6-30 8710 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. Comment
  JROH831  Helenium puberulum John H. Thomas 1964-11-29 10548 San Mateo Jasper Ridge Biological Preserve, Stanford University; eastern arm of Searsville Lake, just above high water mark Comment
  JROH860  Helianthella californica var. californica John Hunter Thomas 1988-5-3 24444 San Mateo Jasper Ridge Biological Preserve, Stanford University; near dam Comment
  CAS-BOT-BC305364  Helianthus annuus Ned Cahill 1974-10-8 373 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC305630  Helianthus californicus L. R. Abrams 1902-9-21 2989 San Mateo Woodside - Crystal Springs Comment
  JROH1169  Helminthotheca echioides John H. Thomas 1974-10-26 17629 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC305930  Helminthotheca echioides R. E. Frenkel 1963-12-7 331 San Mateo San Francisco Water District, Whiting Ridge Road, ca. 0.9 mile south-west of Spring Valley Road Comment
  JROH1174  Helminthotheca echioides John Hunter Thomas 1982-7-22 21086 San Mateo Jasper Ridge Biological Preserve, Stanford University; near main gate on Sand Hill Rd. Comment
  JROH866  Hemizonia congesta subsp. luzulifolia John H. Thomas 1967-11-5 14129 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU15950  Hemizonia congesta subsp. luzulifolia John Rawlings, Ken Hickman 2016-5-26 1828 A San Mateo Serpentine seep area up-slope from the Hwy 92 west onramp to Hwy 280 north, down-slope from the San Francisco Watershed boundary fence 122 Comment
  UC897727  Hemizonia congesta subsp. luzulifolia Roxana Stinchfield 1915-10-14 260 San Mateo Cedro Villa Santa Cruz Mountain Peninsula, Stanford University Comment
  CAS-BOT-BC314926  Hemizonia congesta subsp. luzulifolia W. R. Dudley 1894-4-21 s.n. San Mateo Crystal Springs Comment
  CAS-BOT-BC314931  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1909-5-25 s.n. San Mateo Summit between San Mateo and Crystal Springs Lakes Comment
  CAS-BOT-BC314933  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1908-8-20 s.n. San Mateo Near causeway between Cr. Srp. Lakes Comment
  SD5611  Hemizonia congesta subsp. luzulifolia Ulysses S. Grant IV 1925-9-2 San Mateo Burlingame Comment
  JROH887  Hesperevax sparsiflora var. sparsiflora John Hunter Thomas 1978-4-22 19109 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH902  Hesperevax sparsiflora var. sparsiflora John Hunter Thomas 1992-4-23 25147 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC176203  Hesperolinon congestum Blanche Clear 1938-5-22 s.n. San Mateo On road to Emerald Lake Comment
  RSA187337  Hesperolinon congestum Fay Gilbert 1920-6-1 s.n. San Mateo Back of Redwood City. Comment
  JROH2922  Hesperolinon micranthum John H. Thomas 1963-5-15 10093 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2935  Hesperolinon micranthum John Hunter Thomas 1983-6-29 22707 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3682  Heteromeles arbutifolia John Hunter Thomas 1981-2-14 20223 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA451286  Heteromeles arbutifolia E. A. Purer 1932-7-18 15930 San Mateo Kings Mtn Comment
  JROH904  Heterotheca grandiflora John Hunter Thomas 1982-9-23 21163 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH905  Heterotheca grandiflora Monica Bjorkman 1991-11-20 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; SLAC corridor Comment
  OBI16088  Heterotheca sessiliflora subsp. bolanderi Lewis S. Rose 1966-8-20 66087 San Mateo San Bruno Mtn, summit 366 Comment
  CAS-BOT-BC308944  Heterotheca sessiliflora subsp. bolanderi Elizabeth McClintock; Paul Reeberg 1988-4-26 s.n. San Mateo Guadalupe Hills Comment
  SD30675  Heterotheca sessiliflora subsp. bolanderi Edith A. Purer 1933-8-4 5400 San Mateo Along Bayshore Highway near Redwood City. Comment
  UC1577655  Heterotheca sessiliflora subsp. echioides N. K. Carlson 1935-6-21 77 San Mateo Ridge between Slate and Oil Creek; Santa Cruz Quadrangle Comment
  CAS-BOT-BC420717  Heuchera micrantha Elizabeth McClintock 1972-5-10 s.n. San Mateo San Bruno Mountain, rocky slope just below parking lot, summit of mountain Comment
  CAS-BOT-BC420895  Heuchera micrantha var. diversifolia A. D. E. Elmer 1903-7-1 4762 San Mateo Pilarcitos Stone Dam Comment
  CAS-BOT-BC424378  Heuchera micrantha var. hartwegii Walter & Irja Knight 1963-7-14 s.n. San Mateo Base of Quarry 2; San Bruno Mountain Comment
  UC822103  Hierochloe occidentalis L. R. Abrams 1904-3-7 San Mateo Bear Gulch Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC55441  Hirschfeldia incana Ned Cahill 1974-5-30 331 San Mateo About 3 miles westward from Redwood City. Near the intersection of Canada and Edgewood Roads. Next to Edgewood Road. Comment
  CAS-BOT-BC55431  Hirschfeldia incana Ira L. Wiggins 1975-8-5 22174 San Mateo Bed of San Francisquito Creek, ca. 100 m above Pope Street bridge, both sides of Santa Clara--San Mateo line. Comment
  CAS-BOT-BC206381  Hoita strobilina C. F. Leitholt 1893-7-22 s.n. San Mateo Guadalupe Valley Comment
  JROH5217  Holcus lanatus John Hunter Thomas 1989-5-30 24756 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA112372  Holodiscus discolor Lucile Roush 1918-3-31 s.n. San Mateo Santa Cruz Peninsula; Sierra Morena. Comment
  CAS-BOT-BC150056  Holodiscus discolor var. discolor A. D. E. Elmer 1903-6-1 4274 San Mateo San Mateo Comment
  POM205104  Hordeum brachyantherum E. B. Copeland 1903-6-10 3304 San Mateo Montara Point. Comment
  SJSU15413  Hordeum brachyantherum subsp. brachyantherum Toni Corelli 2010-5-21 671 San Mateo Pescadero State Beach and Marsh Natural Preserve. North Pond Trail 9 Comment
  SEINET10610448  Hordeum brachyantherum subsp. brachyantherum Edwin B. Copel 1903-6-10 Copeland 3304 San Mateo Montara Point. Comment
  JROH5220  Hordeum brachyantherum subsp. californicum John H. Thomas 1968-5-3 14439 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5230  Hordeum brachyantherum subsp. californicum John Hunter Thomas 1981-5-19 20607 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC285045  Hordeum depressum John Thomas Howell No date on label 28969 San Mateo Redwood City Comment
  POM295721  Hordeum depressum Lyman Benson 1931-5-29 2812 San Mateo Santa Cruz Mountain Range 244 Comment
  RSA0115578  Hordeum hystrix L. S. Rose 1953-4-17 53015 San Mateo Redwood City, along Bayshore Highway 3 Comment
  JROH5236  Hordeum marinum subsp. gussoneanum John H. Thomas 1963-5-12 10081 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5240  Hordeum marinum subsp. gussoneanum John Hunter Thomas 1977-6-16 18789 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along raised causeway. Comment
  JROH5256  Hordeum murinum subsp. leporinum John H. Thomas 1967-5-12 12881 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC271352  Hordeum vulgare John H. Thomas 1971-4-25 15793 San Mateo Intersection of Interstate 280 and Sand Hill Road behind Stanford Univ. Campus Comment
  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
  CAS-BOT-BC271357  Hordeum vulgare Mary Helen Kelson 1956-4-27 150 San Mateo One mile from beach at Pescadero Comment
  JEPS29415  Horkelia californica L. R. Heckard 1962-7-16 1262 San Mateo near summit of San Bruno Mt. (w-facing slope to the ne of transmitting station KQED) 335 Comment
  CAS-BOT-BC536150  Horkelia californica Alice Eastwood 1915-6-13 4711 San Mateo Granada Comment
  CAS-BOT-BC536152  Horkelia californica Peter Rubtzoff 1975-9-11 8380 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction, San Bruno Mountains Comment
  CAS-BOT-BC536154  Horkelia californica David D. Keck 1939-7-1 5008 San Mateo 3 miles south of Pescadero, 1 mile from the ocean 60 Comment
  SEINET5554737  Horkelia californica H. S. Gentry 1931-1 76 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  UC625417  Horkelia californica L. R. Abrams and I. L. Wiggins 1939-6-3 436 San Mateo 1/2 mi inland the sand dunes (along cultivated field); Ano Nuevo Point Comment
  CAS-BOT-BC532057  Horkelia californica var. frondosa W. R. Dudley 1894-5-1 s.n. San Mateo Woodside to Crystal Springs Reservoir Comment
  CAS-BOT-BC143921  Horkelia cuneata var. sericea Phillip C. Wheeler 1965-5-11 s.n. San Mateo Pig Ranch Ravine Comment
  CAS-BOT-BC144013  Horkelia marinensis George Oberlander 1951-7-12 1204 San Mateo Clearing in San Andreas Valley, San Francisco Watershed Reserve Comment
  SJSU2301  Hosackia gracilis C. W. Sharsmith 1950-4-16 6630 San Mateo near Pescadero Point, Pescadero Comment
  UCD128235  Hydrocotyle sibthorpioides W. J. Bevan 1951-5-4 s.n. San Mateo at 24 Belford Way, San Mateo. Comment
  UCD160243  Hypericum canariense Christopher Dillis 2015-5-15 6 San Mateo South of Pescadero on Hwy 1 (Cabrillo Hwy), 400 m south of Highway Brewing Company, then east 120 m on unmarked 1-lane dirt road; 10 m southwest of intersection with Old Coast Highway. 200 Comment
  CAS-BOT-BC311395  Hypochaeris glabra Fred Hemphill 1973-5-14 820 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  JROH923  Hypochaeris glabra John Hunter Thomas 1989-5-9 24720 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CHSC364  Hypochaeris radicata J. Turner 1930-5-2 San Mateo Moss Beach. 6 Comment
  JROH940  Hypochaeris radicata John Hunter Thomas 1988-5-16 24464 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low flow crossing Comment
  SJSU8192  Ipomoea indica D. W. Allen 1978-11-25 San Mateo grounds of residence Comment
  CHSC90622  Iris douglasiana Diane Mastalir 1988-3-27 6 San Mateo Hillside 6.7 mi s on hwy 1 from jcn hwy 1 and hwy 92, 2.3 mi e on Pescadero rd. 30 Comment
  HSC23981  Iris douglasiana Mary Katherine Wicksten 1971-7-8 161 San Mateo Huddart Park above Miwok Area Comment
  UC143469  Iris douglasiana Alice Eastwood Apr 1898 San Mateo Purissima Comment
  CAS-BOT-BC133675  Iris longipetala Lewis S. Rose 1964-4-12 64020 San Mateo South San Francisco, San Bruno Mt. 60 Comment
  UC1057443  Iris longipetala G. Thomas Robbins 1937-4-11 82 San Mateo slopes above Spring Valley Lake (s of San Francisco) Comment
  RSA366830  Iris missouriensis Glenn A. Gorelick 1967-4-4 s.n. San Mateo San Bruno Mts; overlooking Daly City near San Francisco. Comment
  JROH4431  Iris pseudacorus John R. Barth 1963-4-13 4 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake 103 Comment
  CAS-BOT-BC112608  Isolepis cernua Herbert L. Mason 1921-6-2 s.n. San Mateo Pebble Beach near Pescadero Comment
  CAS-BOT-BC112627  Isolepis cernua H. L. Mason 1921-6-2 s.n. San Mateo Pebble Beach, near Pescadero. Comment
  CAS-BOT-BC112628  Isolepis cernua H. L. Mason 1921-6-2 s.n. San Mateo Pebble Beach, near Pescadero. Comment
  CAS-BOT-BC112615  Isolepis cernua George Thomas Oberlander 1949-7-10 273 San Mateo Marsh, Upper Crystal Spr. Lake. Comment
  UCD37961  Isolepis cernua Beecher Crampton 1962-6-11 6499 San Mateo San Mateo County, northern city limits of Pacifica, along State Highway 1, just southwest of its junction with Skyline Boulevard. Comment
  CAS-BOT-BC102323  Juglans hindsii Ed Holm; Field Biol. Class, San Mateo High School 1984-7-24 s.n. San Mateo In creekbed of San Mateo Creek next to Polhemus Rd. just before it joins Crystal Springs Rd. and about 100 yds. below Comment
  SEINET3559014 Image available Juncus bufonius Lewis S. Rose 1932-6-26 s.n. San Mateo Pilarcitos Lake. Comment
  SEINET3877740  Juncus bufonius Ira L. Wiggins, Roxana S. Ferris 1939-8-2 9291 San Mateo Ano Nuevo Point.; 0 Comment
  JEPS91286  Juncus bufonius var. bufonius Dean W. Taylor 1989-3-30 10200 San Mateo San Bruno Mountain, along Bayshore Avenue near PG&E substation, in right-of-way of eastern-most set of PGandE high- voltage lines 12 Comment
  JROH5851  Juncus bufonius var. bufonius John Rawlings 2016-5-19 1759 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 2 about 115 meters from wooden trail marker near Preserve boundary fence east of Escobar Gate. 104 Comment
  JROH4454  Juncus bufonius var. bufonius Carol Zabel 2003-3-19 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Along both sides of Road F at intersection with Trail 15. Comment
  JROH5596  Juncus effusus subsp. pacificus John Rawlings 2014-2-4 1206 San Mateo Jasper Ridge Biological Preserve, Stanford University; ecotone between dominant Salix exigua on sandy lake shore and Typha angustifolia in drying Searsville lake bed, 50 m south of the boat landing and lab. 104 Comment
  UC1601735  Juncus lescurii J. Burtt Davy 1893-6-22 758 San Mateo head of Lake Pilarcitos Lake Pilarcitos Comment
  UCR244653  Juncus lescurii Peter Rubtzoff 1976-6-30 8708 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
  SD260863  Juncus lescurii Peter Rubtzoff 1976-6-30 8708 San Mateo San Bruno Mountain; Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Westernmost part of the area on slope across fence. Comment
  UC473496  Juncus occidentalis Kellogg and Brannan 1870-6-1 San Mateo San Gregorio Creek Comment
  JROH4499  Juncus patens John H. Thomas 1973-6-15 16828 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1101090  Juncus patens Malcolm A. Nobs and S. Galen Smith 1949-8-26 1587 San Mateo about 1 mi s Half Moon Bay Comment
  UC625335  Juncus phaeocephalus var. paniculatus L. R. Abrams and I. L. Wiggins 1939-6-3 426 San Mateo Ano Nuevo Point Comment
  JROH4520  Juncus xiphioides John Hunter Thomas 1983-5-31 22317 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near boat dock Comment
  JROH5666  Juncus xiphioides John Rawlings 2011-8-10 0997 San Mateo Jasper Ridge Biological Preserve, Stanford University. Corte Madera Creek delta near open water. 104 Comment
  HSC23945  Kickxia spuria Mary Katherine Wicksten 1971-7-15 172 San Mateo Huddart Park, along wall in front of residence Comment
  RSA100995  Koeleria macrantha G. Oberlander 1950-4-23 914 San Mateo Sweeney Ridge, San Francisco Watershed Reserve Comment
  UC501383  Koeleria macrantha David D. Keck 1932-5-6 1476 San Mateo above Millbrae Highlands; above Millbrae Highlands Comment
  CAS-BOT-BC340469  Lactuca saligna Walter Knight; Irja Knight 1963-10-7 328 San Mateo San Bruno Mountain. Cow Trough Ravine Comment
  CAS-BOT-BC340470  Lactuca saligna John H. Thomas 1969-10-19 15481 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  JROH946  Lactuca saligna John H. Thomas 1976-10-16 18415 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
  SJSU1797  Lactuca saligna C. W. Sharsmith 1956-10-22 6356 San Mateo San Mateo County Memorial Park, Pescadero Cr, Santa Cruz Mts Comment
  CAS-BOT-BC340639  Lactuca serriola Ned Cahill 1974-5-13 276 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JEPS20287  Lagophylla ramosissima Lewis S. Rose 1955-9-19 55176 San Mateo 7 mi w of Saratoga; Skyline Boulevard 685 Comment
  JROH960  Lagophylla ramosissima John H. Thomas 1967-6-1 12968 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC272430  Lamarckia aurea W. R. Dudley 1906-5-19 s.n. San Mateo Hillside toward Cordilleras Creek and Whipple Road on Britton Ranch west of Redwood City, Santa Cruz Peninsula Comment
  JROH2778  Lamium amplexicaule H. J. Dengler 1975-3-5 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; by road below Searsville Dam Comment
  CAS-BOT-BC337879  Lapsana communis L. R. Abrams 1927-7-20 12179 San Mateo Santa Cruz Mountain Peninsula. La Honda Creek, about 1 mi above La Honda Comment
  CAS-BOT-BC337880  Lapsana communis David D. Keck 1939-7-1 5007 San Mateo Santa Cruz Mountains, La Honda, along La Honda Creek Comment
  CAS-BOT-BC339047  Lasthenia californica Javier Penalosa 1963-3-30 2727 San Mateo San Bruno Mountain. North of Randolph Drive at Hillside Blvd. in SSF 91 Comment
  CAS-BOT-BC339071  Lasthenia californica John Thomas Howell 1933-5-3 11204 San Mateo San Bruno Hills Comment
  CAS-BOT-BC339090  Lasthenia californica John H. Thomas 1969-4-24 14922 A San Mateo Near Canada College, Redwood City, near Farm Hill Drive Comment
  CAS-BOT-BC339092  Lasthenia californica David D. Keck 1933-5-11 2296 San Mateo Montara Light House and Radio Station Comment
  CAS-BOT-BC339094  Lasthenia californica W. R. Dudley 1899-5-14 s.n. San Mateo About hills southwest of Baden Comment
  CAS-BOT-BC339097  Lasthenia californica J. H. Thomas 1949-4-1 215 San Mateo Hills west of Redwood City Comment
  UC1073373  Lasthenia californica subsp. californica George B. Rossbach 1955-3-26 517 San Mateo n of radio tower; San Bruno Mountain 335 Comment
  UC517467  Lasthenia californica subsp. californica John Thomas Howell 1933-5-3 11204 San Mateo San Bruno Hills Comment
  UC762042  Lasthenia californica subsp. californica R. F. Hoover 1939-4-21 4055 San Mateo 2 mi s of Colma Comment
  CAS-BOT-BC355497  Lasthenia glaberrima W. R. Dudley 1906-5-22 s.n. San Mateo Largest Pond, Coal Mine Ridge Comment
  CAS-BOT-BC355498  Lasthenia glaberrima W. R. Dudley 1906-5-22 s.n. San Mateo Largest Pond, Coal Mine Ridge Comment
  UC1142638  Lasthenia glabrata subsp. glabrata Edw. L. Greene 1886-5-11 San Mateo Belmont Comment
  CAS-BOT-BC355538  Lasthenia glabrata var. glabrata John H. Thomas 1997-4-11 17135 San Mateo to the SE of Canada Road and Edgewood Road; NW of Woodside 152 Comment
  JEPS10017  Lasthenia gracilis W. L. Jepson 1921-4-3 9113 San Mateo Colma Canyon northwestern end San Bruno Hills Comment
  SJSU11830  Lasthenia minor H. E. Henninger 1967-5-14 92 San Mateo Pigeon Point Comment
  SJSU2268  Lasthenia minor C. W. Sharsmith 1947-3-13 6745 San Mateo Pescadero Beach near Pescadero Point Comment
  SJSU2272  Lasthenia minor C. W. Sharsmith 1947-3-13 6753 San Mateo Pescadero Beach near Pescadero Point Comment
  UCR121579  Lasthenia minor George K. Helmkamp, E. A. Helmkamp 1999-6-28 5013 San Mateo Pescadero Creek Watershed, Bean Hollow Road 0.3 mi south of Pescadero Road (SW of Pescadero). Slopes above Butano Creek 61 Comment
  CAS-BOT-BC205027  Lathyrus jepsonii var. jepsonii W. R. Dudley 1897-5-12 s.n. San Mateo Santa Cruz Peninsula. Road from Bay to Menlo Comment
  SD39834  Lathyrus littoralis Edith A. Purer 1932-7-18 4007 San Mateo Half Moon Bay, sand dunes Comment
  SEINET3557952 Image available Lathyrus vestitus Lewis S. Rose 1932-5-3 32208 San Mateo San Bruno. 183 Comment
  POM19357  Lathyrus vestitus subsp. bolanderi Edward L. Greene 1902-1-15 8231 San Mateo West side Kings Mountain. Comment
  CDA9326  Lathyrus vestitus var. vestitus M. Beyers, Z. Bakman, L. Feely, & D. Sozanni 2011-4-4 878 San Mateo Pacifica: San Pedro Valley County Park, at Brooks Creek Trail trailhead, near visitor center's parking lot. 74 Comment
  JROH2039  Lathyrus vestitus var. vestitus John Hunter Thomas 1985-4-11 23518 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  CAS-BOT-BC323154  Layia chrysanthemoides David D. Keck 1932-5-6 1487 San Mateo Near Skyline Boulevard, west of Millbrae Highlands. Comment
  CAS-BOT-BC323152  Layia chrysanthemoides David D. Keck 1932-5-6 1487 San Mateo Near Skyline Boulevard, west of Millbrae Highlands. Comment
  CAS-BOT-BC323157  Layia chrysanthemoides David D. Keck 1932-5-6 1488 San Mateo 4 miles W of Burlingame on Skyline Boulevard. Comment
  UC935680  Layia chrysanthemoides David D. Keck 1932-5-6 1488 San Mateo 4 mi w of Burlingame on Skyline Boulevard Comment
  UC30646  Layia gaillardioides J. Burtt Davy Apr 21 1893-Apr 23 1893 1161 San Mateo Pilarcitos Lake and Canyon Comment
  CAS-BOT-BC321071  Layia gaillardioides H. L. Mason 1921-7-14 s.n. San Mateo La Honda-Pescadero Road, near Pescadero Creek Comment
  CAS-BOT-BC321073  Layia gaillardioides Josephine D. Randall 1907-7-28 89 San Mateo Black Mt. Road near Iverson's. Comment
  CAS-BOT-BC321090  Layia gaillardioides James I. McMurphy 1909-5-26 s.n. San Mateo Above La Honda Comment
  CAS-BOT-BC321098  Layia gaillardioides David D. Keck 1932-5-6 1483 San Mateo Skyline Blvd. W of Millbrae Highlands, Santa Cruz Mountains. Comment
  CAS-BOT-BC321116  Layia gaillardioides David D. Keck 1932-5-11 1763 San Mateo La Honda road 2 miles W of Skyline Blvd. Comment
  JEPS27361  Layia hieracioides Rimo Bacigalupi with Jim Roof and L. R. Heckard 1961-4-24 7621 San Mateo lateral ridge below and se of end of paved ridge-top road just e KRON television tower and station (Guadalupe Valley side of mt.); San Bruno Mountain 304 Comment
  JROH987  Layia hieracioides John Hunter Thomas 1977-6-16 18772 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR70738  Layia hieracioides David D. Keck 1932-5-11 1760 San Mateo Santa Cruz Mtns, Above Searsville Lake, on La Honda Road, E slope of mountains. 250 Comment
  RSA455862  Layia hieracioides Glenn A. Gorelick 1967-4-14 s.n. San Mateo San Bruno Mts. overlooking Daly City near San Francisco. Comment
  CHSC26060  Layia platyglossa B. A. Rosene 1976-4-18 3 San Mateo Ca. 2.4 km nw of entrance to Calif. State Game Refuge. 182 Comment
  JROH991  Layia platyglossa John H. Thomas 1955-5-6 4085 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU1070  Layia platyglossa C. W. Sharsmith 1951-4-6 5827 San Mateo Woodside Hills c. 3 mi W of Woodside 182 Comment
  UC204134  Layia platyglossa A. D. E. Elmer 1903-4-1 5022 San Mateo Crystal Springs Lake Comment
  POM53185  Layia platyglossa subsp. platyglossa Michener, F. T. Bioletti 1892-05 s.n. San Mateo Cemeteries. Comment
  CAS-BOT-BC527267  Lemna minuta Ira L. Wiggins 1980-9-1 22271 San Mateo Pool in San Francisquito Creek, ca. 250 m. upstream from Pope Street Bridge, Menlo Park Comment
  CAS-BOT-BC221526  Lepechinia calycina Miss E. Cannon No date on label s.n. San Mateo Near Moss Beach Comment
  CAS-BOT-BC221531  Lepechinia calycina Phillip C. Wheeler 1965-6-20 s.n. San Mateo San Bruno Mountain. Area west of Crystal Cave Canyon Comment
  RSA218029  Lepechinia calycina Walter Knight, I. Knight 1964-5-19 s.n. San Mateo Crocker Hills, San Bruno Mountain. Comment
  RSA18464  Lepidium didymum C. B. Wolf 1927-6-29 544 San Mateo South of Pebble Beach near Pescadero Comment
  CDA19902  Lepidium latifolium D. Pendleton 2002-5-28 PDR P 120141 San Mateo San Francisco Bay Area; Channel alongside Hwy 101, behind parking lot of Mervyn's on Walnut St. 0 Comment
  UC10674  Lepidium nitidum Mrs. Brandegee 1892-4-9 San Mateo South San Francisco Comment
  CAS-BOT-BC12595  Lepidium nitidum Elizabeth McClintock; Arthur Menzies 1963-2-16 s.n. San Mateo San Bruno Mountains. Below top of mountain in vicinity of radio station. Comment
  RSA66570  Lepidium oxycarpum D. D. Keck 1932-3-24 1401 San Mateo Redwood City, at border of San Francisco Bay. Comment
  JROH5274  Leptochloa fusca subsp. uninervia W. Lennihan 1980-11-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Delta in Searsville Lake (formed by Corte Madera Creek). Comment
  CAS-BOT-BC226539  Leptosiphon acicularis H. A. Dutton 1900-4-17 s.n. San Mateo Santa Cruz Peninsula. On Jasper near S. border Woodside Comment
  CAS-BOT-BC226606  Leptosiphon ambiguus H. A. Dutton 1900-3-25 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  CAS-BOT-BC226724  Leptosiphon androsaceus Adele Lewis Grant 1917-5-6 936 San Mateo Pescadero Comment
  SD27819  Leptosiphon androsaceus Carl B. Wolf 1929-5-25 3731 San Mateo Pebble Beach, south of Pescadero. Comment
  JROH5691  Leptosiphon bicolor John Rawlings 2015-4-7 1454 San Mateo Jasper Ridge Biological Preserve, Stanford University; quarry off Trail 12 110 Comment
  CAS-BOT-BC226727  Leptosiphon latisectus Alice Eastwood 1901-5-19 s.n. San Mateo Blenheim Comment
  JROH3186  Leptosiphon parviflorus H. A. Borthwick 1920-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CHSC1270  Leptosiphon rosaceus H. Pearl 1930-5-1 San Mateo Moss Beach. Comment
  CAS-BOT-BC324052  Lessingia arachnoidea W. R. Dudley 1909-10-10 s.n. San Mateo East side of Crystal Springs Reservoir, Santa Cruz Mountains Comment
  CAS-BOT-BC324054  Lessingia arachnoidea John Thomas Howell 1927-5-10 2388 San Mateo Crystal Springs Lake 213 Comment
  CAS-BOT-BC324058  Lessingia arachnoidea W. R. Dudley 1909-10-10 s.n. San Mateo East side of Crystal Springs Reservoir Comment
  CDA8165  Lessingia arachnoidea M. Knudsen 1982-7-28 San Mateo Crystal Springs Reservoir, just below the dam. 0 Comment
  SEINET5782289 Image available Lessingia arachnoidea L. S. Rose 1941-9-6 41434 San Mateo San Mateo Canyon Comment
  UCR70748  Lessingia arachnoidea David D. Keck 1931-10-5 1280 San Mateo San Francisco Bay Region, Crystal Springs Lake, east side 168 Comment
  JROH1005  Lessingia glandulifera var. glandulifera L. R. Abrams 1910-8-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Comment
  JROH1010  Lessingia glandulifera var. glandulifera John H. Thomas 1963-5-15 10091 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1027  Lessingia glandulifera var. glandulifera Carol Zabel 1989-9-4 36 San Mateo Jasper Ridge Biological Preserve, Stanford University; near side of Road E, 100 yards down from intersection of Roads D, E, and F Comment
  CAS-BOT-BC324185  Lessingia hololeuca LeRoy Abrams 1907-10-12 s.n. San Mateo Portola 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
  JEPS20328  Lessingia hololeuca Lewis S. Rose 1949-8-14 49165 San Mateo w of Redwood City; Emerald Lake Comment
  OBI15794  Lessingia hololeuca Lewis S. Rose 1964-9-5 64072 San Mateo Emerald Lake; W of Redwood city 152 Comment
  JROH5965  Lessingia pectinata var. tenuipes Ann Lambrecht, Alice Cummings 2017-6-13 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Road E overlook bend 118 Comment
  JROH5841  Leucanthemum maximum Ann Lambrecht 2009-7-22 35 San Mateo Jasper Ridge Biological Preserve, Stanford University; in now-dry bed of San Francisquito Creek below Dennis Martin marker Comment
  CAS-BOT-BC342092  Leucanthemum vulgare John H. Thomas 1964-6-19 10424 San Mateo 0.9 miles south of Tunitas Creek near Coast Highway 60 Comment
  CAS-BOT-BC342094  Leucanthemum vulgare John Thomas Howell 1949-7-4 25356 San Mateo On Skyline Blvd. north of Millbrae Comment
  CAS-BOT-BC342097  Leucanthemum vulgare W. R. Dudley 1908-6-19 s.n. San Mateo Santa Cruz Mountain Peninsula. Hills north of Jersey Farm Dairy W. of Baden Comment
  RSA800278  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
  CAS-BOT-BC283696  Leymus condensatus David L. Morgan 1955-8-1 s.n. San Mateo 1 mile N of Santa Cruz County line on Highway 1 22 Comment
  JEPS71196  Leymus mollis subsp. mollis William S. Cooper 1925-5-28 9 San Mateo Miramar Comment
  CAS-BOT-BC272185  Leymus triticoides Elizabeth McClintock; Paul Reeberg 1988-10-31 s.n. San Mateo South side of Crocker Industrial Park just east of West Powerline, San Bruno Mountains 60 Comment
  RSA100982  Leymus triticoides G. Oberlander 1950-5-28 990 San Mateo Under redwoods, Cahill Ridge, San Francisco Watershed Reserve Comment
  CAS-BOT-BC436530  Ligusticum apiifolium Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo San Bruno Mountain, below parking lot Comment
  JROH2981  Ligustrum lucidum John Hunter Thomas 1978-5-23 19223 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2984  Ligustrum lucidum Ann Lambrecht, Paul Heiple 2008-1-9 39 San Mateo Jasper Ridge Biological Preserve, Stanford University; on Trail c Comment
  JROH5831  Ligustrum vulgare Ann Lambrecht, Alice Cummings 2013-6-18 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; at the end of a spur off Trail 12 nearly opposite the intersection with Trail 10. The spur ends in a large patch of Scirpus microcarpus at the edge of Corte Madera Creek. 109 Comment
  CAS-BOT-BC451667  Lilaea scilloides Carl B. Wolf 1929-4-29 3663 San Mateo 1 mi. so. of Portola in sm. reservoir Comment
  CAS-BOT-BC451668  Lilaea scilloides Dr. Kellogg No date on label s.n. San Mateo Near Searsville Comment
  POM296492  Lilaea scilloides Lyman Benson 1931-5-16 2803 San Mateo San Mateo, alt 300ft. 91 Comment
  CAS-BOT-BC130795  Lilium pardalinum W. S. Atkinson 1901-7-6 s.n. San Mateo Pescadero Creek near Harrison P.O. Comment
  SEINET12182117  Limnanthes douglasii Unknown 1932-1 9103 San Mateo Roadside between Spring Valley Lakes and Sky Line Drive Comment
  JEPS95207  Limnanthes macounii Eva Buxton 1998-3-24 San Mateo e side of Hwy 1 just s of Etheldore Street, opposite Half Moon Bay airport Moss Beach Comment
Read comments Jun 21 2014
  CDA36129  Limonium perezii Michael Perlmutter 2011-6-15 San Mateo Burlingame, Sanchez Marsh. 0 Comment
  UC885935  Limosella acaulis Ira L. Wiggins and Roxana S. Ferris 1939-8-2 9294 San Mateo Ano Nuevo Point Comment
  JROH4061  Limosella acaulis John Hunter Thomas 1982-8-15 21143 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Searsville Lake Comment
  UC306700  Linanthus ambiguus A. D. E. Elmer Apr 1903 4913 San Mateo Crystal Springs Lake Comment
  UC202814  Linanthus androsaceus A. D. E. Elmer Apr 1903 4746 San Mateo Comment
  UC73618  Linanthus liniflorus Milo S. Baker 1904-5-15 San Mateo near Burlingame Comment
  JEPS113041  Linanthus liniflorus subsp. pharnaceoides Dean W. Taylor 1994-5-10 14263 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
  UC729681  Linanthus parviflorus Carl B. Wolf 1929-4-24 3656 San Mateo back of Stanford University (sw end of Jasper Ridge); Jasper Ridge 152 Comment
  CDA6306  Linaria purpurea T. C. Fuller 1968-10-3 17659 San Mateo Christie s Crescent Nursery, Half Moon Bay. 0 Comment
  SD39367  Linum californicum McCallum 1933-5-24 3707 San Mateo Fields on Stanford Campus. Comment
  CAS-BOT-BC389735  Lithocarpus densiflorus J. Lovelle 1973-7-29 26 San Mateo Pescadero Cr. 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
  JROH3888  Lithophragma affine John H. Thomas 1972-4-1 16048 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC436217  Lithophragma heterophyllum John H. Thomas 1961-5-14 9361 San Mateo Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. San Francisco Watershed Reserve. 152 Comment
  CAS-BOT-BC436225  Lithophragma heterophyllum D. E. Breedlove 1974-5-13 36209 San Mateo San Pedro Valley Park, Pacifica 152 Comment
  JROH3894  Lithophragma heterophyllum John Hunter Thomas 1983-4-5 21319 San Mateo Jasper Ridge Biological Preserve, Stanford University. Path to redwood area Comment
  CAS-BOT-BC342307  Logfia filaginoides George Oberlander 1950-4-23 767 San Mateo San Francisco Watershed Reserve. Top of Cahill Ridge Comment
  JROH747  Logfia gallica John Hunter Thomas 1990-5-29 24863 San Mateo Jasper Ridge Biological Preserve, Stanford University; near picnic area Comment
  UC38772  Lolium perenne Alice Eastwood May 1894 San Mateo South San Francisco Comment
  POM132686  Lomatium dasycarpum subsp. dasycarpum A. D. E. Elmer 1903-04 s.n. San Mateo Crystal Springs Lake. Comment
  UC144367  Lomatium dasycarpum subsp. dasycarpum C. F. Baker 1902-4-6 460 San Mateo Crystal Springs Lake Comment
  CHSC65248  Lomatium dasycarpum subsp. tomentosum A. D. E. Elmer 1903-4-1 San Mateo Crystal Springs Lake. Comment
  JROH273  Lomatium macrocarpum John H. Thomas 1956-4-7 5625 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH274  Lomatium macrocarpum John H. Thomas 1962-5-31 9894 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM132671  Lomatium macrocarpum A. D. E. Elmer 1903-04 4926 San Mateo Crystal Springs Lake. Comment
  UC1143019  Lomatium utriculatum H. S. Yates 1935-5-8 5210 San Mateo 2 mi. n. Langley Hill; Santa Cruz Quad. Comment
  JROH1655  Lonicera hispidula John H. Thomas 1975-6-5 17934 San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack Comment
  RSA120036  Lonicera hispidula var. vacillans H. L. Mason 1921-7-4 s.n. San Mateo La Honda - Pescadero Creek Rd. Comment
  CAS-BOT-BC243960  Lonicera involucrata var. ledebourii Alice Eastwood 1914-3-12 3756 San Mateo San Bruno Hills Comment
  CAS-BOT-BC243962  Lonicera involucrata var. ledebourii John H. Thomas 1964-6-19 10429 San Mateo 0.9 miles south of Tunitas Creek near Coast Highway 60 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-BC243967  Lonicera involucrata var. ledebourii C. F. Baker 1903-4-1 1918 San Mateo San Andreas Lake Comment
  CAS-BOT-BC243968  Lonicera involucrata var. ledebourii A. D. E. Elmer 1903-6-1 4272 San Mateo Lake San Andreas Comment
  RSA181234  Lonicera involucrata var. ledebourii John H. Thomas 1964-6-19 10429 San Mateo 0.9 miles S of Tunitas Creek near Coast Hwy, 61 Comment
  JROH2049  Lotus corniculatus John Hunter Thomas 1983-7-7 22826 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM16716  Lotus formosissimus A. D. E. Elmer 1903-04 4860 San Mateo Lake San Andreas Comment
  SEINET2062208 Image available Lotus formosissimus C. W. Sharsmith 1947-4-13 6758 San Mateo Near Pescadero Beach, vicinityof Pescadero Point. 50 Comment
  UC15648  Lotus micranthus J. Burtt Davy Jun 21 1893-Jun 23 1893 1156 San Mateo Pilarcitos Lake and Canyon Comment
  SEINET3558576 Image available Lotus scoparius Lewis S. Rose 1934-6-2 34282 San Mateo Belmont. Comment
  POM276640  Lotus wrangelianus Lyman Benson 1935-5-5 6538 San Mateo Lake Searsville. 152 Comment
  CAS-BOT-BC60247  Lunaria annua Alexander Locke 1963-5-19 31 San Mateo Belmont. 714 Alameda de los Pulgas. Comment
  UC311196  Lupinus A. D. E. Elmer May, 1903 4526 San Mateo San Bruno Hills Comment
  UC1481350  Lupinus affinis Dunn and Brown 1946-5-15 2542 San Mateo 3 mi NE of La Honda ( on the SE side of the highway from Woodside to La Honda); San Francisco Peninsula Comment
  UC201919  Lupinus affinis A. D. E. Elmer April, 1903 5021 San Mateo Portola Comment
  RSA262978  Lupinus affinis Dunn, Brown 1946-5-15 2542 San Mateo 3.7 miles northeast of La Honda on the southeast side of the highway from Woodside to La Honda. 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
  SEINET12154347  Lupinus albicaulis L. K. Henry 1956-1 s.n. San Mateo along Pacific Ocean, at Pigeon Pt. Lighthouse on Rt 1 Comment
  SEINET10903755  Lupinus albifrons Charles Piper Smith 1948-4-23 Smith 48146 San Mateo Glabrous keel, abnormal could mean hybridization to formosus or chamissouris Hwy 5, junction s.f. Co jail road Comment
  UCSB11482  Lupinus albifrons Olson, Jim 1962-4-17 San Mateo 10 miles north of Woodside on Canada Road 76 Comment
  CAS-BOT-BC195808  Lupinus albifrons var. albifrons Fred Hemphill 1973-3-1 632 San Mateo San Carlos. North of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC195815  Lupinus albifrons var. albifrons L. R. A. 1902-4-13 2340 San Mateo San Mateo Canon [Canyon] Comment
  CAS-BOT-BC195790  Lupinus albifrons var. albifrons Charles Piper Smith 1948-6-21 48461 San Mateo Highway 5 - junction San Bruno Road 3, 0.8 miles south Comment
  CAS-BOT-BC195798  Lupinus albifrons var. albifrons Charles Piper Smith 1948-6-21 48465 San Mateo Highway 5 - junction Burlingame 4 mile road, 2.7 miles south Comment
  RSA22000  Lupinus albifrons var. collinus J. T. Howell 1938-5-1 13770 San Mateo Colma Canyon Comment
  RSA750173  Lupinus albifrons var. collinus Robert F. Thorne 1963-6-9 32209 San Mateo On top of San Bruno Mountain. 335 Comment
  CAS-BOT-BC8522  Lupinus apricus C. P. Smith 1908-3-30 1374 San Mateo Stanford University, field back of Cedro Cottage Comment
  UCD106613  Lupinus arboreus Eric Davidson 1971-6-28 330 San Mateo Half Moon Bay State Park. Comment
  SEINET10488484  Lupinus arboreus Walter Knight, Irja Knight 1964-5-4 Knight s.n. San Mateo San bruno mountains. Nell pubescent from claw to tip. Colma canyon Comment
  RSA6289  Lupinus arboreus var. arboreus D. D. Keck 1932-5-11 1767 San Mateo Two miles north of San Gregorio. 15 Comment
  RSA705042  Lupinus arboreus var. arboreus E. A. Purer 1933-7-27 5371 San Mateo Two miles south of Pigeon Point Comment
  RSA91250  Lupinus arboreus var. arboreus Alice Eastwood, John T. Howell 1938-6-26 6077 San Mateo Crystal Springs Lake. Comment
  JEPS91323  Lupinus arboreus var. eximius Dean W. Taylor 1992-3-19 12337 San Mateo in saddle between San Pedro Mountain and North Peak, near BM 924 Montara Mountain; ; Montara Mountain, in saddle between San Pedro Mountain and North Peak, near BM 924 274 Comment
  RSA0069562  Lupinus arboreus var. eximius Daisie Huang 2006-8-6 06080602 San Mateo Inside San Francisco Water Authority land. 345 Comment
  JROH2119  Lupinus bicolor Toni Corelli 2010-3-29 364 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Road E at junction Trail 9 106 Comment
  UC711948  Lupinus bicolor Charles Piper Smith 1908-4-13 1402 San Mateo near Cedro Cottage Stanford University (Stanford University) Comment
  RSA31675  Lupinus bicolor A. A. Heller 1907-4-20 8451 San Mateo Near Lake Merced. 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
  CAS-BOT-BC215066  Lupinus chamissonis Charles Piper Smith 1948-4-20 48107 San Mateo Highway 1, Edgemar sand dunes Comment
  SEINET12154504  Lupinus densiflorus E. A. Purer 1933-1 5512 San Mateo along Skyline Drive Comment
  RSA18323  Lupinus densiflorus var. aureus Carl B. Wolf 1929-5-17 3712 San Mateo Alpine Road east of Skyline Blvd. Comment
  RSA159408  Lupinus densiflorus var. densiflorus John H. Thomas 1961-5-14 9377 San Mateo Just north of dam on San Mateo Creek. 122 Comment
  SEINET10485250  Lupinus densiflorus var. palustris Charles Piper Smith 1947-4-25 Smith 47178 San Mateo Belmont, skyline, w of vanderlaan summit. Comment
  RSA0069566  Lupinus formosus Daisie Huang 2006-8-6 06080603 San Mateo Inside San Francisco Water Authority land. 288 Comment
  SD37898  Lupinus latifolius var. latifolius Marie Cummings 1933-5-18 3664 San Mateo Los Altos Comment
  JROH2125  Lupinus luteolus H. & R. Dengler 1958-6-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; 200' due north of point where Corte Madera Cr. enters the preserve Comment
  CAS-BOT-BC8455  Lupinus microcarpus var. densiflorus W. R. Dudley 1894-3-26 s.n. San Mateo West of San Mateo Comment
  JROH2132  Lupinus nanus John Hunter Thomas 1977-6-16 18762 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2142  Lupinus nanus John Hunter Thomas 1991-4-25 24995 San Mateo Jasper Ridge Biological Preserve, Stanford University; Rattlesnake Rocks Comment
  SEINET7076097 Image available Lupinus nanus 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
  UCD108982  Lupinus nanus A. A. Heller 1907-4-20 8452 San Mateo near Lake Merced. Comment
  SEINET10486130  Lupinus polycarpus David B. Dunn, Howard Brown 1946-5-15 Dunn 2591 San Mateo Collected in vacant lots on both sides of sloat blvd. Just west of riverton Drive in san francisco. Comment
  SEINET10903924  Lupinus polycarpus David B. Dunn, Howard Brown 1946-5-16 Dunn 2602 San Mateo Collected at the top of the canyon rd, .7 mi e of the jct. With skyline drive, Grassy roadbanks. Summit of the rolling hills of the san francisco hills. Comment
  JEPS81168  Lupinus polyphyllus Edward Lee with H. L. Mason 1935-6-16 1529 San Mateo between Ano Nuevo and Franklin Point; between Ano Nuevo and Franklin Point Comment
  POM11074  Lupinus polyphyllus var. grandifolius A. D. E. Elmer 1903-05 s.n. San Mateo San Pedro. Comment
  JROH2145  Lupinus succulentus John H. Thomas 1974-4-12 17143 San Mateo Jasper Ridge Biological Preserve, Stanford University; at Escobar gate Comment
  SEINET10837785  Lupinus succulentus var. succulentus Charles Piper Smith 1948-4-20 Smith 48111 San Mateo Hwy 1. San Pedro Point, south slope. Comment
  POM276255  Lupinus vallicola subsp. apricus Lyman D. Benson 1930-5-1 2049 San Mateo Stanford University. 122 Comment
  POM10801  Lupinus variicolor E. B. Copeland 1903-6-3 3302 San Mateo Montara Point Comment
  UC82052  Lupinus variicolor Dr. E. B. Copeland 1903-6-3 3301 San Mateo Montara Point Comment
  POM118220  Lupinus variicolor Harriet Ann Walker 1913-6-1 2982 San Mateo Tobin Comment
  JROH4526  Luzula comosa var. comosa John H. Thomas 1973-3-12 16494 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC441268  Luzula macrantha Ira L. Wiggins 1925-4-1 1684 San Mateo First bridge across small creek on Kings Mountain Road above 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
  JROH3363  Lysimachia arvensis John H. Thomas 1967-5-12 12883 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3375  Lysimachia minima John Hunter Thomas 1982-4-30 20883 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2945  Lythrum hyssopifolia John H. Thomas 1974-10-26 17630 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2952  Lythrum hyssopifolia John Hunter Thomas 1981-7-12 20688 San Mateo Jasper Ridge Biological Preserve, Stanford University; near boat dock Comment
  SD39672  Lythrum hyssopifolia Edith A. Purer 1933-7-27 5366 San Mateo 2.0 miles south of Pigeon Point. Comment
  SEINET10452840  Lythrum hyssopifolia Mary Susan Taylor 1978-8-30 Taylor 1874 San Mateo Comment
  RSA210921  Madia Cherie L. Wetzel 1969-7-28 994 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  SD49787  Madia capitata J. H. Thomas 1959-8-16 8064 San Mateo 2.0 miles soputhwest of Pescadero. 60 Comment
  CAS-BOT-BC343909  Madia elegans Carl B. Wolf 1929-5-17 3713 San Mateo 1 mi. w. of Skyline Blvd. on Alpine Road 304 Comment
  UC501405  Madia elegans David D. Keck 1932-6-18 1979 San Mateo sw of Stanford University (Skyline Blvd at Langley Hill); Castle Rock Ridge 609 Comment
  POM362143  Madia elegans subsp. elegans D. D. Keck 1931-10-5 1279 San Mateo Crystal Springs lake, E side Comment
  JROH1057  Madia exigua John Hunter Thomas 1982-7-3 21066 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1062  Madia exigua John Hunter Thomas 1988-5-16 24463 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1065  Madia exigua John Hunter Thomas 1992-5-25 25349 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1078  Madia gracilis John Hunter Thomas 1981-5-8 20559 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM362194  Madia madioides Donald A. Johansen 1932-4-15 680 San Mateo Between Woodside and Kings Mountain Comment
  CAS-BOT-BC345115  Madia sativa David D. Keck 1933-11-2 2628 San Mateo 3.5 mi. S.W. of Pescadero, within 100 m. of ocean Comment
  CAS-BOT-BC345122  Madia sativa Ira L. Wiggins 1929-7-4 3796 San Mateo Sea bluffs at Pescadero Beach Comment
  RSA176607  Madia sativa John H. Thomas 1961-8-27 9695 San Mateo Colma; open sandy field near intersection of El Camino Real and F Street 46 Comment
  CAS-BOT-BC345107  Madia sativa Elizabeth McClintock; Paul Reeberg 1989-8-31 s.n. San Mateo San Bruno Mountains. Willow Pond Comment
  CAS-BOT-BC345108  Madia sativa W. R. Dudley 1901-5-11 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Colma Comment
  CAS-BOT-BC345120  Madia sativa David D. Keck 1932-6-18 1981 San Mateo Skyline Blvd., at Langley Hill (S.W. of Stanford University) 600 Comment
  CAS-BOT-BC345128  Madia sativa Lewis S. Rose 1966-8-6 66078 San Mateo San Bruno Mountain. Head of Colma Canyon 213 Comment
  OBI15706  Madia sativa Lewis S. Rose 1966-8-6 66078 San Mateo San Bruno Mtn, head of Colma Cyn 213 Comment
  CAS-BOT-BC511332  Maianthemum dilatatum John H. Thomas 1961-5-7 9288 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CHSC27854  Maianthemum racemosum Susan Perkins 1978-3-24 13 San Mateo Stage Road, 4 mi s of San Gregorio, 2.5 mi n of Pescadero, ca. 8 mi sw of La Honda. 60 Comment
  SD39133  Maianthemum racemosum subsp. amplexicaule Marie Cummings 1933-4-11 12 San Mateo Pescadero. Comment
  CAS-BOT-BC512106  Maianthemum racemosum subsp. amplexicaule George Oberlander 1950-3-18 583 San Mateo Pilarcitos Canyon; San Francisco Watershed Reserve Comment
  RSA309417  Maianthemum racemosum subsp. amplexicaule Robert A. Norris, John L. Inase 1983-3-19 4492 San Mateo Weiler Ranch Road Trail, San Pedro Valley County Park, near Linda Mar 79 Comment
  SEINET12055170  Maianthemum racemosum subsp. amplexicaule R. S. Croker 1929-1 s.n. San Mateo Summit Jasper Ridge Comment
  JROH4714  Maianthemum stellatum John Hunter Thomas 1985-4-22 23545 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC514156  Maianthemum stellatum H. A. Lewis 1908-4-1 s.n. San Mateo Los Trancos Woods Comment
  CAS-BOT-BC514170  Maianthemum stellatum Walter & Irja Knight 1965-3-21 991 San Mateo North facing slope of Power Line Ridge Comment
  SD39132  Maianthemum stellatum Edith A. Purer 1933-4-11 3634 San Mateo Between Pescadero and Pegeon Point. Comment
  SEINET12044094  Maianthemum stellatum W. R. Dudley 1902-1 s.n. San Mateo by Alpine Road on Corte de Madera Creek, Santa Cruz Peninsula Comment
  UC138331  Malacothamnus aboriginum J. W. Congdon 1902-7-20 San Mateo Spring Valley Comment
Read comments Aug 31 2006
  RSA3086  Malacothamnus arcuatus Carl B. Wolf 1931-8-20 2328 San Mateo Los Trancos Creek, 2 miles back of Stanford University, near Schenkel s Camp. 91 Comment
  CAS-BOT-BC540128  Malus domestica Elizabeth McClintock; Paul Reedberg 1988-4-14 s.n. San Mateo 80 feet east of SBM park entrance, along north side of Guadalupe Canyon Parkway; San Bruno Mountains 213 Comment
  HSC16000  Malva arborea P. A. Murphy 1965-4-16 45 San Mateo Half Moon Bay 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
  UCD54555  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
  JROH2967  Malva nicaeensis John Hunter Thomas 1977-6-16 18803 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR101645  Marah fabacea George K. Helmkamp, E. A. Helmkamp 1998-5-16 3740 San Mateo Portola Valley, Golden Hills Rd along Los Trancos Creek 107 Comment
  SD99478  Marah fabacea Ira L. Wiggins 1975-4-17 22145 San Mateo Northeast side of Southern Pacific right of way, between Willow Road and San Francisquito Creek, Menlo Park. Comment
  SEINET5560624  Marah fabacea H. S. Gentry 1931-1 13 San Mateo Collected 1.5 miles W of San Mateo, Half-Moon Bay Road. Comment
  UCSB18109  Marah fabacea Hutchinson, Sandra 1964-3-24 San Mateo Around Crystal Springs Lake, Sawyer Camp Road, about 0.3 mile off Skyline Blvd., the entrance off of Millbrae Avenue 106 Comment
  UC131944  Marah oregana C. F. Baker 1902-4-4 450 San Mateo Crystal Springs Lake Comment
  UC635685  Marah oregana H. L. Mason 1927-4-23 3681 San Mateo between La Honda and Pescadero Creek Comment
  CDA5694  Marrubium vulgare C. M. Sill 1961-7-1 San Mateo Laurel School, Menlo Park. 0 Comment
  JROH620  Matricaria discoidea John Hunter Thomas 1978-4-25 19154 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH626  Matricaria discoidea John Hunter Thomas 1989-5-9 24700 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSB17213  Matricaria discoidea Schulte, John 1963-4-28 San Mateo On top of Jasper Ridge, 3 miles southwest of Stanford campus, between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  CAS-BOT-BC422681  Meconella californica Elizabeth McClintock 1967-4-16 s.n. San Mateo San Bruno Mountain. Buckeye Canyon. Comment
  CAS-BOT-BC422683  Meconella californica Miss E. Cannon 1898-3-26 s.n. San Mateo South San Francisco Comment
  JROH2155  Medicago arabica John Hunter Thomas 1992-4-23 25156 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Rattlesnake Rocks and along trail to redwoods Comment
  UCR10253  Medicago lupulina George K. Helmkamp, E. A. Helmkamp 1999-6-28 4976 San Mateo Pescadero Creek Watershed, Pescadero Road just north of Loma Mar 107 Comment
  SD99483  Medicago polymorpha Ira L. Wiggins 1975-4-12 22139 San Mateo Northeast side of Southern Pacific right-of-way, between San Francisquito Creek and Ravenswood Avenue, Menlo Park. Comment
  JROH5305  Melica imperfecta John Hunter Thomas 1979-5-18 19556 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near green shack. Comment
  CDA9445  Melica subulata D. G. Kelch 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  JROH5316  Melica torreyana W. Lennihan 1989-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Intersection of Road D and the trail to Rattlesnake Rock. Comment
  JROH2184  Melilotus indicus John H. Thomas 1970-7-5 15674 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2198  Melilotus indicus John Hunter Thomas 1988-6-2 24497 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSC007763  Melilotus indicus Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  RSA0018571  Mentha Peter Rubtzoff, Walter Knight, Irja Knight 1987-10-16 9866 San Mateo San Bruno Mountain. Saddle area on north side of Guadelupe Canyon Parkway west of Radio Road junction. NW part of the area along old Guadalupe Road. Comment
  UC583160  Mentha canadensis Lewis S. Rose 1936-9-13 36730 San Mateo Granada 1 Comment
  JROH2804  Mentha pulegium M. N. Paulson 1914-10-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1714386  Mentha pulegium U. S. Grant IV 1926-9-6 San Mateo King's Mt. 609 Comment
  CAS-BOT-BC389747  Micranthes californica M. Danielson 1970-3-15 118 San Mateo Above Crystal Springs Road, N.W. slope Comment
  RSA100997  Micropus californicus G. Oberlander 1949-7-24 286 San Mateo Northern Cahill Ridge, San Francisco Watershed Reserve Comment
  UCD69082  Micropus californicus P. Rodriguez-Rojo 1997-5-31 San Mateo Jaspen Ridge. Serpentine annual grasslands. UTM: 10SEM4168 155 Comment
  CAS-BOT-BC348570  Micropus californicus var. californicus John H. Thomas 1971-5-2 15843 San Mateo Near intersection of Canada Road and Edgewater Road, about three miles westward from Redwood City 152 Comment
  CAS-BOT-BC348572  Micropus californicus var. californicus Ned Cahill 1974-4-18 134 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC348574  Micropus californicus var. californicus H. A. Dutton 1900-3-25 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  CAS-BOT-BC348578  Micropus californicus var. californicus Eric Walther 1920-5-9 s.n. San Mateo Woodside Comment
  JROH1120  Micropus californicus var. californicus John H. Thomas 1961-4-29 9187 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC348569  Micropus californicus var. californicus Elizabeth McClintock 1978-4-24 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  CAS-BOT-BC348577  Micropus californicus var. californicus Wm. Vortriede 1928-5-16 s.n. San Mateo Coloma Comment
  CAS-BOT-BC349017  Microseris douglasii subsp. douglasii James McMurphy 1906-5-8 s.n. San Mateo Head of Crystal Springs Lakes Comment
  JROH1136  Microseris douglasii subsp. douglasii John H. Thomas 1955-5-6 4993 San Mateo Jasper Ridge Biological Preserve, Stanford University; open serpentine area on top of ridge and adjacent grassy slopes Comment
  JROH1146  Microseris douglasii subsp. douglasii John Hunter Thomas 1981-5-8 20548 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1150  Microseris douglasii subsp. douglasii John Hunter Thomas 1989-5-9 24706 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC349146  Microseris douglasii subsp. tenella H. A. Dutton 1900-3-25 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  POM53382  Microseris douglasii subsp. tenella C. F. Baker 1902-5-4 756 San Mateo Woodside. Comment
  CAS-BOT-BC27842  Microseris heterocarpa Albert Kellogg s.n. San Mateo San Bruno Hills Comment
  SEINET10842027 Image available Microseris leucocarpha Charles F. Baker 1902-5-4 Baker 808 San Mateo Woodside. Comment
  SEINET12269790  Mimulus aurantiacus Unknown 1932-1 9023 San Mateo Jasper Ridge 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
Read comments Jul 29 2015
  RSA218021  Mimulus aurantiacus var. aurantiacus 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
  UC103734  Mimulus grandis C. F. Baker 1902-5-4 759 San Mateo Woodside Comment
  JROH4087  Mimulus guttatus Herbert Dengler 1963-5-18 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA10279  Mimulus guttatus H. A. Barker 1927-5-6 663 San Mateo Summit of Kings Mts. Comment
  RSA788375  Mimulus guttatus Peter Rubtzoff 1976-6-30 8705 San Mateo San Bruno Mountains: 'Saddle' area on N side of Guadalupe Canyon Parkway west of Radio Road junction. Westernmost part of the area on a slope across fence. Comment
  UCD122861  Mimulus primuloides Clyde Elmore 1967-9-14 s.n. San Mateo The Sequoias (Lutheran retirement community), off Portola Road, Woodside. Comment
  CAS-BOT-BC388836  Minuartia douglasii H. A. Dutton 1900-3-11 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  JEPS22487  Minuartia douglasii C. E. Durrell 1909-4-21 San Mateo Burlingame Comment
  POM308671  Minuartia douglasii Florence Danforth 1943-5-7 2388 San Mateo Jasper Ridge, above Searsville Lake. Comment
  JROH1698  Minuartia douglasii John H. Thomas 1961-4-4 9044 D San Mateo Jasper Ridge Biological Preserve, Stanford University; near Westridge end of ridge Comment
  JROH1706  Minuartia douglasii Carol Zabel 1989-5-5 15 San Mateo Jasper Ridge Biological Preserve, Stanford University; Herb's serpentine loop, top of Trail 5 Comment
  JEPS27350  Moehringia macrophylla Rimo Bacigalupi with L. R. Heckard and Jim Roof 1961-4-24 7611 San Mateo just below rocky spur due n of true summit San Bruno Mountain (directly below and ne of KQED radio power station); due n of true summit of San Bruno Mountain 342 Comment
  CAS-BOT-BC214068  Monardella villosa Elsie Zeile 1909-5-20 s.n. San Mateo Burlingame Comment
  CAS-BOT-BC214087  Monardella villosa Eric Walther 1919-6-9 s.n. San Mateo Woodside Comment
  UCR121553  Monardella villosa George K. Helmkamp, E. A. Helmkamp 1999-6-28 4991 San Mateo Pescadero Creek Watershed, Bean Hollow Road 0.3 mi south of Pescadero Road (SW of Pescadero). Slopes above Butano Creek 61 Comment
  CAS-BOT-BC214088  Monardella villosa R. Bacigalupi 1946-7-6 2793 San Mateo Along Edgemar Road, 1 1/2 mi. above Edgemar, northern San Mateo Co. Comment
  UC203048 Image available Monardella villosa subsp. franciscana A. D. E. Elmer July, 1903 4766 San Mateo San Pedro, San Mateo Co. Comment
  SEINET10582384  Monardella villosa subsp. franciscana A. Graff 1993-6-14 Graff 5 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
  SEINET10829418  Monardella villosa subsp. franciscana A. Graff 1993-7-13 Graff 182 San Mateo Devil's Slide, in arroyos on inland side of Hwy. 1. Mostly past bloom. Coastal scrub. Comment
  JROH1156  Monolopia gracilens Herb Dengler 1963-5-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC445196  Montia parvifolia W. R. Dudley 1903-6-6 s.n. San Mateo Santa Cruz Peninsula. On Pescadero Cr. below Peter's Cr. Comment
  JEPS127796  Muilla maritima Adam C. Schneider with C. Matt Guilliams 2013-4-7 65 San Mateo Along dirt road running parallel to the overhead power transmission lines. Comment
  POM291272  Muilla maritima Lyman Benson 1930-4-6 2036 San Mateo San Lorenzo Mt: Crystal Springs Lake. 183 Comment
  CAS-BOT-BC508587  Muilla maritima Lewis S. Rose 1965-3-25 s.n. San Mateo Gradalupe Road, San Bruno Mountain Comment
  CAS-BOT-BC508588  Muilla maritima L. S. Rose 1927-3-25 s.n. San Mateo Crystal Springs Lake Comment
  UCD119527  Myosotis latifolia W. D. McLellan 1954-5-17 62 San Mateo San Mateo County Memorial Park, northeast of Pescadero. Comment
  CAS-BOT-BC101769  Myrica californica W. R. Dudley 1894-9-22 s.n. San Mateo Preston's Ravine, Portola Valley Comment
  CAS-BOT-BC101770  Myrica californica W. R. Dudley 1893-2-18 s.n. San Mateo near La Honda Comment
  CAS-BOT-BC101774  Myrica californica R. Bacigalupi 1922-3-1 s.n. San Mateo Arroyo de los Frijoles Comment
  CAS-BOT-BC101777  Myrica californica Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo Wax Myrtle Ravine Comment
  CAS-BOT-BC101789  Myrica californica J. H. Thomas 1962-3-24 9838 San Mateo Isenberg Ranch near Langley Hill Comment
  CAS-BOT-BC166773  Myrica californica Peter Rubtzoff 1976-10-5 8907 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  CAS-BOT-BC101772  Myrica californica Phillip C. Wheeler 1965-7-7 s.n. San Mateo Canyon south of Pig Ranch Comment
  JROH2702  Myriophyllum aquaticum M. Whitley 1990-4-27 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. By the floats in Searsville Lake. Comment
  RSA10397  Myriophyllum sibiricum Carl B. Wolf 1927-6-15 s.n. San Mateo Along Skyline Drive, 8 mi. S of San Francisco. Comment
  UCD87837  Nassella lepida Beecher Crampton 1962-6-11 6506 San Mateo Sharp Park, suburb of Pacifica, Mori's Point Road west of State Hwy. 1. Comment
  CAS-BOT-BC260232  Nassella pulchra Lewis S. Rose 1956-5-7 56071 San Mateo Skyline Boulevard W of San Mateo 182 Comment
  CAS-BOT-BC260234  Nassella pulchra A. D. E. Elmer 1903-6-1 4712 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC260238  Nassella pulchra H. A. Dutton 1900-2-1 s.n. San Mateo Woodside Comment
  SBBG115413  Nassella pulchra B. Crampton 1962-6-11 6486 San Mateo ca. 5 mi W of Belmont, at jct of Ralston Ave and Skyline Blvd, Pulgas Ridge, along E side of lower Crystal Springs Reservoir Comment
  POM295475  Nassella pulchra Lyman Benson 1930-5-1 2073 San Mateo Stanford Univ. San Lorenzo mtn range. 152 Comment
  JROH1568  Nasturtium officinale John H. Thomas 1955-5-6 4998 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1572  Nasturtium officinale John Hunter Thomas 1978-7-2 19242 San Mateo Jasper Ridge Biological Preserve, Stanford University; on dam Comment
  JROH1575  Nasturtium officinale Carol Zabel 1989-8-11 28 San Mateo Jasper Ridge Biological Preserve, Stanford University; San Francisquito Creek bank near low-flow crossing at Road C Comment
  JROH3204  Navarretia heterodoxa John Hunter Thomas 1983-6-29 22705 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  LA206599  Navarretia heterodoxa Lewis S. Rose; 1941-6-12 41269 San Mateo W of Redwood City, Emerald Lake 120.0 Comment
  POM65519  Navarretia heterodoxa A. D. E. Elmer 1903-06 4282 San Mateo Crystal Springs Lake. 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
  CHSC28674  Navarretia squarrosa M. S. Taylor 1978-7-31 1871 San Mateo Ano Nuevo State Reserve. 0 Comment
  UC1124144  Navarretia squarrosa G. E. Sindel 1935-7-25 310 San Mateo Lagoon, mouth of Pescadero Creek Santa Cruz Quad., Pescadero Creek 7 Comment
  UC570261  Navarretia squarrosa N. K. Carlson 1935-6-29 106 San Mateo 1 mi s Pescadero; Santa Cruz Quad. 91 Comment
  SEINET12279167  Navarretia squarrosa Unknown 1933-1 10468 San Mateo near Baden Station Comment
  UC202791  Nemophila menziesii A. D. E. Elmer April, 1903 4737 San Mateo Cemeteries Comment
  UC67150  Nemophila menziesii var. atomaria Harley P. Chandler 1901-3-15 800 San Mateo cliffs w Colma; Region of San Francisco Bay, w of Colma Comment
  JROH2737  Nemophila menziesii var. menziesii D. D. Davis 1903-4-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Ridge Comment
  CAS-BOT-BC219480  Nemophila parviflora John H. Thomas 1961-5-14 9374 San Mateo Vicinity of Pilarcitos Stone Dam on Pilarcitos. San Francisco Watershed Reserve 152 Comment
  CAS-BOT-BC219479  Nemophila parviflora B. S. Miller 1959-5-2 34 San Mateo Alpine Road 243 Comment
  CAS-BOT-BC219488  Nemophila parviflora George Oberlander 1950-4-16 691 San Mateo San Francisco Watershed Reserve. Pilarcitos Canyon Comment
  JROH2747  Nemophila parviflora var. parviflora Toni Corelli 2010-4-21 357 San Mateo Jasper Ridge Biological Preserve, Stanford University. Upslope of Trail 1, just east of landslide area 83 Comment
  JROH4168  Nicotiana acuminata var. multiflora Monica Bjorkman 1988-10-20 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Dry stream bed of SF Creek upstream from the Low Flow Crossing. Comment
  CAS-BOT-BC233463  Nicotiana glauca J. H. Thomas 1964-3-31 10293 San Mateo Bank of San Francisquito Creek at University Avenue Bridge, Palo Alto Comment
  JROH2456  Notholithocarpus densiflorus var. densiflorus Toni Corelli 2011-10-4 373 San Mateo Jasper Ridge Biological Preserve, Stanford University; across from Douglas' iris site, west of Trail 20 87 Comment
  CAS-BOT-BC140424  Oemleria cerasiformis Elmer I. Applegate 1895-3-9 152 San Mateo Woodside Comment
  CAS-BOT-BC140427  Oemleria cerasiformis W. R. Dudley 1900-3-1 s.n. San Mateo By road N. of Summit Springs Comment
  CAS-BOT-BC140449  Oemleria cerasiformis W. R. Dudley 1893-4-1 s.n. San Mateo Bear Gulch Road, Santa Cruz Mountains Comment
  JROH3711  Oemleria cerasiformis John Hunter Thomas 1981-2-14 20220 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1122259  Oenothera elata subsp. hookeri G. E. Sindel 1935-7-25 307 San Mateo 1 mi w Pescadero; Santa Cruz Quadrangle Comment
  JROH2993  Olea europaea John H. Thomas 1977-1-23 18462 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1125589  Orobanche fasciculata C. J. Kraebel 1934-4-15 8 San Mateo Head of Pescadero Creek. Santa Cruz Quad. Comment
  JROH3090  Orobanche vallicola Toni Corelli 2003-11-5 266 San Mateo Jasper Ridge Biological Preserve, Stanford University; in moist woodland above San Francisquito Creek along trail 2 82 Comment
  RSA516520  Orthocarpus floribundus W. L. Jepson 1919-4-19 8231 San Mateo S San Francisco. Comment
  RSA88573  Orthocarpus lithospermoides L. S. Rose 1954-5-17 54043 San Mateo Emerald Lake, E of Redwood City. 183 Comment
  RSA184904  Orthocarpus pusillus L. S. Rose 1965-3-25 65011 San Mateo San Bruno Mountains, north end. 122 Comment
  SEINET12324059  Orthocarpus pusillus E. McClintock, Knight, W.; Knight, I. 1982-1 4648 San Mateo San Bruno Mountain Comment
  SEINET8723036 Image available Osmaronia cerasiformis Lewis S. Rose 1937-1 37004 San Mateo Skyline Blvd. , W. of Tanforan Alt. 600 ft. 183 Comment
  RSA176714  Osmorhiza berteroi John H. Thomas 1963-6-23 10168 San Mateo Jasper Ridge Biological Experimental Area, about 5 mi SW of Palo Alto. Along road at Westridge end of ridge Comment
Read comments Feb 15 2013
  RSA176828  Osmorhiza berteroi John H. Thomas 1961-5-5 9213 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Along San Francisquito Creek below Searsville Dam. 76 Comment
  SEINET244349  Osmorhiza chilensis David H. French 1968-4-12 2843 San Mateo Near Palo Alto coast (Pescadero) Road, 11.7 mi. E. of Pescadero. Comment
  UCSB9892  Oxalis articulata subsp. rubra Walker, Clifford 1954-4-20 San Mateo 50 yds from ocean, 1 mi. S. of Half Moon Bay Comment
  UCD110750  Oxalis corniculata A. A. Beetle 1939-3-24 1772 San Mateo Daly City, coast ranges of Central California. Comment
  JEPS121492  Oxalis pes-caprae Adam C. Schneider with C. Matt Guilliams 2013-3-9 41 San Mateo Crystal Springs Reservoir, Northern part of western margin of San Francisco Public Utilities Commission land. Comment
  CAS-BOT-BC318251  Packera breweri W. R. Dudley 1893-5-3 s.n. San Mateo Foothills near Stanford University. Comment
  UCR113570  Parietaria judaica Mitch Provance 1999-1-18 1745 San Mateo Daly City, west side of Mission St, c. 0.25 miles south of the San Mateo/ San Francisco County line 122 Comment
  JROH5870  Parthenocissus quinquefolia Ann Lambrecht 2011-7-5 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; at Bear Creek crossing near Preserve boundary fence Comment
  UCD88912  Paspalum distichum W. R. Dudley 1903-1 s.n. San Mateo Santa Cruz Mountain Peninsula. Searsville Lake. Comment
  JEPS17981  Pedicularis densiflora George B. Rossbach 1955-3-12 488 San Mateo se end of Buriburi Ridge (nw side of San Mateo Creek); , San Mateo Creek 76 Comment
  JROH4096  Pedicularis densiflora James Newman 1951-4-21 44 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake, above lake 91 Comment
  JROH4103  Pedicularis densiflora John H. Thomas 1959-4-5 7663 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM286385  Pedicularis densiflora Lyman Benson 1929-3-2 987 San Mateo East of Lake Searsville Comment
  UCD123330  Pedicularis densiflora Lewis S. Rose 1964-3-23 64013 San Mateo Emerald Lake, west of Redwood City. 121 Comment
  HSC24039  Pedicularis densiflora Mary Katherine Wicksten 1971-6-30 143 San Mateo Huddart Park Comment
  RSA14207  Pedicularis densiflora Carl B. Wolf 1927-1-24 190 San Mateo 1/2 way up east slope of La Honda Grade, Santa Cruz Mtns. Comment
  CAS-BOT-BC266665  Pedicularis dudleyi J. H. Thomas 1961-5-23 9452 San Mateo Portola State Park, near junction of Peters and Pescadero Creeks 152 Comment
  CAS-BOT-BC7097  Pedicularis dudleyi Adolph Daniel Edward Elmer 1903-6-1 4289 San Mateo Pescadero Creek - Iverson's Place Comment
  LA209494  Pedicularis dudleyi E. B. Copeland; 1982-4-9 707 San Mateo big basin of Pescadero creek Comment
Read comments Jun 12 2020
  CAS-BOT-BC207019  Pelargonium vitifolium Charles Piper Smith 1950-5-15 50140 San Mateo Pescadero Creek Bridge - Highway 1, 3.9 miles south Comment
  CAS-BOT-BC207030  Pelargonium vitifolium J. H. Thomas 1959-8-16 8066 San Mateo About 2 miles north of Pigeon Point, along the coast 15 Comment
  CAS-BOT-BC207032  Pelargonium vitifolium L. R. Abrams; I. L. Wiggins 1939-6-3 437 San Mateo 2 miles north of Pigeon Point Light Comment
  UC903064  Pelargonium vitifolium Ethel Crum 1934-4-29 1704 San Mateo s of Pescadero Comment
  JROH102  Pellaea andromedifolia John Hunter Thomas 1981-4-5 20268 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  JROH103  Pellaea andromedifolia John Hunter Thomas 1982-11-8 21257 B San Mateo Jasper Ridge Biological Preserve, Stanford University. Path below dam Comment
  RSA686791  Pellaea andromedifolia Paul C. Silva 1948-1-31 2622 San Mateo Old La Honda Grade, 1 mile south of Skyline Blvd. 457 Comment
  JROH105  Pellaea mucronata var. mucronata L. R. Abrams 1916-3-27 5588 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Ridge Comment
  JROH6183  Pellaea mucronata var. mucronata John Rawlings 2017-12-19 2308 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near south border of Preserve just east of Westridge fork of Corte Madera Creek. 134 Comment
  JROH5818  Pennisetum setaceum John Rawlings 2016-10-8 1949 San Mateo Sand Hill Rd. near the SLAC fence-line opposite the entrance to the Horse Park at Woodside, San Mateo Co. 118 Comment
  JROH5876  Pentachaeta alsinoides John Hunter Thomas 1989-5-5 24655 San Mateo Jasper Ridge Biological Preserve, Stanford University. [Along Rd. F] 166 Comment
  UCD134867  Pentachaeta alsinoides John H. Thomas 1958-5-10 7155 San Mateo Jasper Ridge, about 5 miles southwest of Palo Alto. 152 Comment
  UC1495039  Pentachaeta bellidiflora Susan Sommers and Toni Corelli 1983-4-2 San Mateo w of middle of bend in Hwy 280 s Edgewood Road overcrossing; Woodside Quad., San Francisco Water District property 121 Comment
  CAS-BOT-BC77004  Pentagramma triangularis subsp. triangularis Phillip Wheeler 1966-12-30 s.n. San Mateo San Bruno Mountains - Harold Road, Brisbane Comment
  JROH308  Perideridia kelloggii John H. Thomas 1970-7-5 15661 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1389980  Perideridia kelloggii T. I. Chuang, F. M. Chuang, and S. Banwar 1965-8-3 6012 San Mateo 4.3 mi s Half Moon Bay (on Hwy 1) Comment
  JROH3279  Persicaria maculosa Toni Corelli 2004-10-20 281 a San Mateo Jasper Ridge Biological Preserve, Stanford University; below low flow crossing along Road C, on a moist embankment 79 Comment
  CAS-BOT-BC330311  Petasites frigidus var. palmatus L. R. Abrams 1904-3-7 s.n. San Mateo Santa Cruz Mountain Peninsula. Bear Gulch Comment
  CAS-BOT-BC330313  Petasites frigidus var. palmatus Roxana S. Ferris 1918-3-30 750 San Mateo Peters Creek, 1 mi above Evans Creek Comment
  RSA15277  Petasites palmatus C. B. Wolf 1927-4-3 243 San Mateo 1 mile above La Honda. Santa Cruz Mountains Comment
  JROH4172  Petunia parviflora W. R. Dudley 1909-10-31 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake Comment
  RSA128808  Phacelia californica Paul R. Hichborn 1920-4-25 s.n. San Mateo Crystal Springs Lake, Santa Cruz Mountain Peninsula. Comment
  RSA427691B  Phacelia californica Glenn A. Gorelick 1967-4-15 s.n. San Mateo San Bruno Mountains, overlooking Daly City near San Francisco. Comment
  UC75119  Phacelia distans C. F. Baker 1903-4-6 1898 San Mateo San Bruno Hills Comment
  RSA10261  Phacelia distans H. A. Barker 1927-5-14 655 San Mateo North of Half Moon Bay. Comment
  POM87704  Phacelia nemoralis subsp. nemoralis L. R. Abrams 1901-5-5 1575 San Mateo Bear Gulch, Santa Cruz Mountains. Comment
  JROH2765  Phacelia rattanii D. E. Breedlove 1971-5-11 19332 San Mateo Jasper Ridge Biological Preserve, Stanford University; at Pinon Road along fence Comment
  CHSC56636  Phalaris aquatica Steven Triano 1988-5-24 176 San Mateo On the sw corner of the jct. of Portola Road and Old La Honda Road, ca 3.2 mi s of Woodside. 115 Comment
  JROH5357  Phalaris aquatica John Hunter Thomas 1978-7-14 19261 San Mateo Jasper Ridge Biological Preserve, Stanford University. New low flow crossing of San Francisquito Creek. Comment
  JROH5378  Phalaris aquatica W. Lennihan 1990-6-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Whiskey Hill crossing causeway, upstream side. Comment
  CAS-BOT-BC258998  Phalaris californica Beecher Crampton 1962-6-11 6487 San Mateo 5 miles west Belmont, Ralston Ave and Skyline Blvd. Comment
  POM199083  Phalaris californica A. D. E. Elmer 1903-06 4699 San Mateo Crystal Springs Lake. Comment
  RSA128340  Phalaris californica P. H. Raven 1950-6-3 2275 San Mateo along dry rivulet flowing into San Andrews Lake, Crystal Springs Lake 122 Comment
  UCD88577  Phalaris californica P. B. Kennedy 1928-5-2 s.n. San Mateo E of Daly City. Comment
  CAS-BOT-BC250645  Phalaris minor L. R. Abrams 1927-6-4 s.n. San Mateo San Gregorio Comment
  UC820505  Phalaris minor John Thomas Howell 1937-7-5 13099 San Mateo along Bayshore Highway Redwood City Comment
  SEINET10657422  Phalaris minor Adolph D. E. Elmer Elmer 4427 San Mateo Crystal Springs Lake Comment
  JROH4290  Phoradendron serotinum subsp. tomentosum John H. Thomas 1960-3-1 8536 San Mateo Jasper Ridge Biological Preserve, Stanford University 182 Comment
  UC1244706  Phoradendron villosum John H. Thomas 1959-8-22 8080 San Mateo ca. 5 mi. s.w. Palo Alto (Jasper Ridge); Jasper Ridge 152 Comment
  JROH3723  Physocarpus capitatus John H. Thomas 1975-6-5 17928 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near lowflow crossing Comment
  POM222904  Physocarpus capitatus J. P. Rose 1909-4-17 s.n. San Mateo Los Trancos Creek. 61 Comment
  UC69382  Physocarpus capitatus J. Burtt Davy 1893-6-17 799 San Mateo Belmont Comment
  CAS-BOT-BC142181  Physocarpus capitatus W. R. Dudley 1895-6-14 s.n. San Mateo Along San Francisquito Creek near St. Michaels Church - Santa Cruz Mountain Peninsula Comment
  SEINET3418037 Image available Pickeringia montana Lewis S. Rose 1933-6-9 33224 San Mateo Belmont Comment
  SEINET12151537  Pickeringia montana J. I. McMurphy 1906-1 50 San Mateo King's Mtn., Santa Cruz Mtns 457 Comment
  LA205150  Pickeringia montana subsp. montana U. S. Grant; 1926-9-6 sn San Mateo Kings Mountain 609 Comment
  IRVC7620  Pinus patula P. W. Rundel 1964-8-8 1441 San Mateo Menlo Park; North Lemon Avenue 18 Comment
  UCSB23893  Pinus radiata Haller, John 1967-10-7 San Mateo Coastways Ranch near Ano Nuevo Creek, 0.5 miles inland from Ano Nuevo Bay, about 20 miles by road northwest of Santa Cruz 30 Comment
  JROH123  Pinus sylvestris John Rawlings 2005-1-1 1011 San Mateo Jasper Ridge Biological Preserve, Stanford University. West of Rd. G in vicinity of power poles 118 Comment
  CAS-BOT-BC137315  Piperia elegans L. R. Abrams 1909-8-2 4274 San Mateo Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC137320  Piperia elegans Phillip Wheeler 1965-8-16 s.n. San Mateo Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC137322  Piperia elegans John H. Thomas 1963-9-11 10267 San Mateo Field redacted by CAS, contact the data manager for more information 396 Comment
  JROH1407  Plagiobothrys bracteatus Herbert Dengler 1966-4-10 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS27368  Plagiobothrys chorisianus Rimo Bacigalupi with Jim Roof and L. Heckard 1961-4-24 7628 San Mateo just e KRON television tower and station (below and se of end of paved ridge-top road, on Guadalupe Valley side of the summit of San Bruno Mountain); San Bruno Mountain 304 Comment
Read comments Aug 22 2013
  UC579690  Plagiobothrys chorisianus H. S. Yates 1935-5-8 5216 San Mateo 2 mi s Pescadero; Santa Cruz Quad. 60 Comment
  UC78129  Plagiobothrys chorisianus T. S. Brandegee 1890-5-20 San Mateo Searsville Comment
Read comments Nov 12 2007
  UCR70806  Plagiobothrys chorisianus David D. Keck 1932-4-18 1435 San Mateo San Francisco Bay Region, Burlingame; on the shore of San Francisco Bay 2 Comment
  RSA216143  Plagiobothrys chorisianus P. H. Raven 1954-5-16 s.n. San Mateo North of mouth of Lobos Creek, Presidio Comment
  RSA518799  Plagiobothrys chorisianus L. R. Heckard, Thomas 1972-4-16 2897 San Mateo Along Old Canada Road (private), ca 1.5 miles south of Pulgas Water Temple (SW of Upper Crystal Springs Reservior) 122 Comment
  SDSU5438  Plagiobothrys chorisianus D. F. Howe 1969-6-6 4640 San Mateo 18.5 miles north of San Mateo - Santa Cruz Co. line on the # 1. Comment
  CAS-BOT-BC228151  Plagiobothrys chorisianus var. chorisianus V. F. Hesse 1959-4-16 2588 San Mateo Pigeon Point 7 Comment
  JROH1419  Plagiobothrys chorisianus var. hickmanii John Hunter Thomas 1983-5-3 21878 San Mateo Jasper Ridge Biological Preserve, Stanford University. This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  JROH1425  Plagiobothrys nothofulvus John H. Thomas 1970-4-4 15542 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD39265  Plagiobothrys nothofulvus Edith A. Purer 1933-5-16 3648 San Mateo Alpine Road Comment
  UCD120893  Plagiobothrys nothofulvus R. E. Dengler 1960-4-12 20 San Mateo Jasper Ridge, Stanford Biological Reserve. 121 Comment
  JROH3108  Plantago erecta John H. Thomas 1956-4-7 5616 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent slopes Comment
  RSA144779  Plantago erecta John H. Thomas 1958-3-19 7049 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco. 30 Comment
  HSC23935  Plantago erecta Mary Katherine Wicksten 1971-8-25 214 San Mateo Huddart Park Comment
  CAS-BOT-BC164683  Plantago hirtella subsp. galeottiana Peter Rubtzoff 1977-11-24 9142 San Mateo San Bruno Mountain. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction, East Fork Colma Creek Canyon near upper rim. Comment
  RSA176597  Plantago hirtella var. galeottiana John H. Thomas 1964-6-19 10433 San Mateo Near Pigeon Pt. Lighthouse. Comment
  RSA246718  Plantago hirtella var. galeottiana Robert F. Thorne, Percy C. Everett 1965-8-1 35073 San Mateo 21.5 miles S of Golden Gate Bridge. 69 Comment
  SEINET6205137  Plantago hookeriana var. californica L. S. Rose 1965-1 65056 San Mateo San Bruno Mtn, N end Comment
  JEPS15530  Plantago maritima var. californica G. Thomas Robbins 1956-8-18 3736 San Mateo near mouth of Pomponio Creek Comment
  JEPS6470  Plantago subnuda Rimo Bacigalupi with J. R. Sweeney 1954-8-3 4736 San Mateo along upper slopes of the Edgeman road 121 Comment
  SEINET8389512  Plantago subnuda J. H. Thomas 1964-6-19 10433 San Mateo near Pigeon Pt. Lighthouse. Comment
  CAS-BOT-BC92020  Platystemon californicus Lewis S. Rose 1933-5-17 33170 San Mateo Redwood City. Comment
  POM149322  Platystemon californicus var. californicus Copeland 1903-5-24 3255 San Mateo Above Crystal Springs Lake Comment
  UC416762  Plectritis brachystemon J. Burtt Davy 1895-4-20 1023 San Mateo Millbrae Comment
  UC1018907  Plectritis brachystemon S. C. Dyal, C. G. Nast 1938-5-4 718 San Mateo 1 mi w of San Mateo Comment
  SEINET10931001 Image available Plectritis congesta subsp. nitida A. Arthur Heller 1907-5-28 Heller 8578 San Mateo Above Crystal Springs on the Half Moon Bay road. Comment
  JEPS20199  Plectritis macrocera L. R. Abrams 1904-4-10 San Mateo on road from Woodside to Crystal Springs (Santa Cruz Mountain Peninsula); Santa Cruz Mountain Peninsula Comment
  UC1190045  Pleuropogon californicus J. I. McMurphy 1906-5-8 San Mateo road near head of Crystal Springs Lakes (by road from Woodside to Byrnes Store) Comment
  JROH5767  Pleuropogon californicus var. californicus John Rawlings 2006-5-1 0848 San Mateo Jasper Ridge Biological Preserve, Stanford University. Vernally wet area between Sand Hill Road and main entry road to preserve. 121 Comment
  UCD92187  Poa August L. Hormay 1932-5-29 s.n. San Mateo San Bruno to San Francisco Bay Shore Highway. Comment
  CAS-BOT-BC261645  Poa annua Peter Rubtzoff 1988-5-3 9910 San Mateo San Bruno Mountain, Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road Junction, near old Guadalupe Road in the northwest part of the Saddle area, east of Saddle Trail Junction. Comment
  JROH5400  Poa annua John H. Thomas 1977-2-20 18466 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC254542  Poa douglasii J. H. Thomas 1965-5-1 10637 San Mateo At Pescadero Beach Comment
  CAS-BOT-BC254544  Poa douglasii Robert Robertson 1954-5-1 128 San Mateo At back of beach N of San Gregorio Creek 6 Comment
  CAS-BOT-BC246709  Poa howellii Roxana S. Ferris 1921-3-20 2175 San Mateo Santa Cruz Mountain Peninsula. Road from Alpine Creek to Pescadero Creek 304 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
  RSA135727  Poa howellii W. R. Dudley 1900-3-17 s.n. San Mateo Ravine north of Seal Cove. Comment
  SEINET10959346  Poa howellii LeRoy R. Abrams Abrams 1560 San Mateo Santa Cruiz Mts. Comment
  CAS-BOT-BC255782  Poa infirma Walter Knight; Irja Knight 1967-5-16 s.n. San Mateo Randolph Ave., South San Francisco, San Bruno Mountain Comment
  RSA135725  Poa secunda W. R. Dudley 1900-3-18 s.n. San Mateo San Andreas Lake Comment
  CAS-BOT-BC243111  Poa secunda subsp. secunda Holm 1903-4-20 1920 San Mateo San Andreas Lake, about hill tops Comment
  POM204731  Poa unilateralis C. F. Baker 1904-5-24 3259 San Mateo Montara Point. Comment
  UCD23456  Polycarpon tetraphyllum E. A. Parzail 1949-8-1 s.n. San Mateo 1144 Cortez Avenue, Burlingame. Comment
  UC1543013  Polygonum amphibium var. emersum Donald G. Nelson 1939-6-14 616 San Mateo e side of Skyline Blvd. a few mi s Daly City (large permanent pond) Comment
  CAS-BOT-BC413757  Polygonum argyrocoleon John Thomas Howell 1953-6-3 29057 San Mateo Bayshore Highway, Redwood City Comment
  CAS-BOT-BC389685  Polygonum aviculare Jeanie Nieri 1953-2-3 23 San Mateo Growing three miles west of Hillsdale Comment
  JROH3261  Polygonum aviculare subsp. depressum John Hunter Thomas 1977-6-16 18795 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS81637  Polygonum aviculare subsp. depressum J. C. Hickman 1981-7-21 1003 San Mateo Ano Nuevo Reserve; near center Comment
  RSA176406  Polygonum coccineum John H. Thomas 1964-10-2 10510 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Edge of Searsville Lake near Bridge. Comment
  UC1101152  Polygonum lapathifolium Malcolm A. Nobs and S. Galen Smith 1949-8-26 1577 San Mateo pond in sand dunes about 1 mi s Half Moon Bay Comment
  SEINET11939135  Polygonum paronychia M. T. Doutt 1931-1 247 San Mateo Along coast S of San Francisco Comment
  UC733135  Polygonum punctatum Roxana S. Ferris 1945-9-25 11107 San Mateo Pedro Point; State Hwy 1 Comment
  CAS-BOT-BC76904  Polypodium californicum Roxana S. Ferris 1921-4-7 2133 San Mateo Santa Cruz Mountain Peninsula - San Bruno Mt. 213 Comment
  JROH75  Polypodium californicum John H. Thomas 1964-4-19 10313 San Mateo Jasper Ridge Biological Preserve, Stanford University. At Searsville end of ridge Comment
  CAS-BOT-BC76909  Polypodium californicum W. R. Dudley 1896-2-16 s.n. San Mateo Santa Cruz Mountain Peninsula - Devil's Canyon, Black Mountain Comment
  JROH80  Polypodium californicum Lawrence J. Winship 1974-11-16 18 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH82  Polypodium californicum John H. Thomas 1977-4-2 18510 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  SEINET6166104  Polypodium californicum R. L. Oliver 1976-4-18 s.n. San Mateo San Mateo Memorial Park Comment
  CAS-BOT-BC72062  Polypodium calirhiza Ira L. Wiggins 1939-11-5 s.n. San Mateo Corte Madera Creek about 1/2 mile below the Rolph Place Comment
  CAS-BOT-BC76807  Polypodium glycyrrhiza Rachael A. Tickner 1974-1-1 s.n. San Mateo Butano Sandstone Bluffs, Butano State Park, southern part of county. Comment
  CAS-BOT-BC167228  Polypodium scouleri Peter Rubtzoff 1977-11-24 9143 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  UCD164005  Polypodium scouleri Peter Rubtzoff 1977-11-24 9143 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  JROH5429  Polypogon interruptus John H. Thomas 1961-6-14 9545 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along stream below dam. Comment
  SJSU15799  Polypogon interruptus Toni Corelli 2010-6-4 679 San Mateo Cowell Ranch Beach 33 Comment
  UC767859  Polypogon interruptus R. F. Hoover 1940-9-1 4550 San Mateo La Honda summit Comment
  CAS-BOT-BC237349  Polypogon monspeliensis L. R. Abrams; I. L. Wiggins 1939-6-3 432 San Mateo Ano Nuevo Point Comment
  CAS-BOT-BC237355  Polypogon monspeliensis S. D. Halsey 1908-11-7 s.n. San Mateo Salt marsh near Cooleys Landing Comment
  JROH5439  Polypogon monspeliensis H. J. Dengler 1961-7-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek not far from where it trends east from Jasper Ridge. Comment
  JROH51  Polystichum dudleyi Ann Lambrecht 2005-10-26 22 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below Trail 2 on creek bank 60 m beyond first drainage past intersection of Trails 1 & 5. Comment
  CHSC39836  Polystichum munitum Maxey-Jones 1928-4-21 San Mateo La Honda Redwoods. Comment
Read comments Jul 7 2010
  JROH53  Polystichum munitum Lawrence J. Winship 1974-11-2 7 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  CAS-BOT-BC389729  Polystichum munitum J. Lovelle 1973-7-22 24 San Mateo Mt. Ellen Comment
  CAS-BOT-BC76611  Polystichum munitum Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain - Quarry 3 Comment
  RSA0016813  Polystichum munitum B. J. Hoshizaki 1991-10-4 91 -4 [A] San Mateo Along road between Yerba Buena Nursery and Langly Hill Quarry. Woodside Ranch, 19500 Skyline Blvd., Redwood City. Comment
  RSA0016814  Polystichum munitum B. J. Hoshizaki 1991-10-4 91 -4 [B] San Mateo Along road between Yerba Buena Nursery and Langly Hill Quarry. Woodside Ranch, 19500 Skyline Blvd., Redwood City. Comment
  JROH3839  Populus trichocarpa John H. Thomas 1966-4-13 11557 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC267165  Potamogeton foliosus W. R. Dudley 1906-10-12 s.n. San Mateo Santa Cruz Mountain Peninsula. Mud Lakes, Coalmine Ridge, Pond 1 Comment
  RSA800120  Potamogeton illinoensis Peter Rubtzoff 1965-10-19 5664 San Mateo Pilarcitos Lake. Comment
  SEINET10946049  Potamogeton nodosus Herbert L. Mason 1921-5-28 Mason s.n. San Mateo Lagoon back of New Years Pt. Comment
  CAS-BOT-BC454009  Potamogeton pectinatus Ira L. Wiggins; Roxana S. Ferris 1939-8-2 9293 San Mateo Ano [Ano] Nuevo Point Comment
  CAS-BOT-BC141932  Potentilla anserina subsp. pacifica David D. Keck 1934-7-7 2969 San Mateo Ano Nuevo Point at Ano Nuevo Creek Comment
  CAS-BOT-BC141937  Potentilla anserina subsp. pacifica W. R. Dudley 1896-4-18 s.n. San Mateo Pebble Beach at Pescadero - Santa Cruz Peninsula Comment
  CHSC56585  Potentilla anserina subsp. pacifica Steven Triano 1988-5-24 211 San Mateo Located ca 750 ft s of Hwy. 1 and 2.9 mi s of Pigeon Point Light Station. 24 Comment
  CAS-BOT-BC141930  Potentilla anserina subsp. pacifica Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo Guadalupe Road - San Bruno Mountains Comment
  CAS-BOT-BC141934  Potentilla anserina subsp. pacifica H. M. Hall 1922-5-17 s.n. San Mateo Point Montara, wet swale at radio sta., coast of San Mateo co. Comment
  UC1321460  Potentilla anserina subsp. pacifica Arne Henrik Rousi 9 San Mateo Comment
  UC1952815  Potentilla hickmanii Barbara Ertter with Tony Morosco, Deb Hillyard, Richard Vonarb 1995-6-15 14257 San Mateo Martini Creek at south end of Devil's Slide, north-facing grassy hillside Comment
  JROH4676  Prosartes hookeri John Hunter Thomas 1985-4-25 23567 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC516351  Prosartes hookeri M. N. Paulson 1915-4-1 s.n. San Mateo Kings Mountain Comment
  CAS-BOT-BC517387  Prosartes smithii E. W. Rust 1887-4-27 133 San Mateo Kings Mountain Comment
  SFV3190  Prunella vulgaris subsp. vulgaris K. A. Wilson 1961-6-24 1238 San Mateo Santa Cruz Mountains Skyline Blvd. (California Highway 5). 625 Comment
  RSA218028  Prunella vulgaris var. lanceolata Walter Knight, I. Knight 1963-8-5 s.n. San Mateo Colma Canyon Comment
  CAS-BOT-BC158584  Prunus James McMurphy 1906-4-14 s.n. San Mateo Creek above Judge Allen's Comment
  UC136492  Prunus emarginata C. F. Baker 1902-5-1 691 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC154495  Prunus ilicifolia Josephine D. Randall 1907-6-6 328 San Mateo Los Trancos Road near Stanford University Comment
  JROH3748  Prunus ilicifolia subsp. ilicifolia John Hunter Thomas 1981-7-24 20729 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM140358  Prunus subcordata L. R. Abrams 1901-03 1168 San Mateo Portola, Los Troncos Creek. Comment
  CAS-BOT-BC156356  Prunus virginiana var. demissa Walter Knight; Irja Knight 1965-4-11 s.n. San Mateo From mouth of Colma Canyon on south side of Guadalupe parkway Comment
  CAS-BOT-BC356871  Pseudognaphalium californicum D. E. Breedlove 1974-5-13 36234 San Mateo Slopes San Pedro Valley Park, Pacifica 152 Comment
  JROH753  Pseudognaphalium californicum John H. Thomas 1958-5-10 7157 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH754  Pseudognaphalium californicum John H. Thomas 1961-6-7 9534 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH767  Pseudognaphalium californicum John Hunter Thomas 1983-4-28 21783 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC496168  Pseudognaphalium californicum W. R. Dudley 1895-6-14 San Mateo Searsville Searsville (top of ridge near rocks) Comment
  CAS-BOT-BC357126  Pseudognaphalium luteoalbum Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountain. Radio Road Comment
  CAS-BOT-BC357131  Pseudognaphalium luteoalbum Lewis S. Rose 1936-2-12 36005 San Mateo Burlingame 91 Comment
  CAS-BOT-BC357508  Pseudognaphalium ramosissimum Janet Jones 1978-8-28 s.n. San Mateo Near Montara Comment
  SBBG32247  Pseudognaphalium stramineum L. S. Rose 1966-8-6 66079 San Mateo San Bruno Mtn, Colma Cyn 121 Comment
  CAS-BOT-BC361566  Pseudognaphalium stramineum Phillip Wheeler 1965-5-17 s.n. San Mateo San Bruno Mountain. Cow Palace area Comment
  SJSU7541  Pseudognaphalium stramineum L. S. Rose 1966-8-6 66079 San Mateo Colma Canyon, San Bruno Mt 121 Comment
  CAS-BOT-BC85902  Pseudotsuga menziesii George Oberlander 1950-7-15 1100 San Mateo San Francisco Watershed Reserve, Cahill Ridge Comment
  CAS-BOT-BC85916  Pseudotsuga menziesii A. D. E. Elmer 1903-4-1 4562 San Mateo King's Mt. Comment
  CDA33968  Pseudotsuga menziesii D. G. Kelch, David Gernandt, Steffi Ickert-Bond, Yingli Guo 2011-4-22 11 .147 San Mateo Santa Cruz Mountains.; Skyline Blvd, ~ 5 miles W of Los Altos. Comment
  HSC1587  Pseudotsuga menziesii P. A. Murphy 1965-4-16 11 San Mateo 4 mi from Half Moon Bay on Higgins Canyon Rd. Comment
  RSA15295  Pseudotsuga menziesii C. B. Wolf 1927-4-3 265 San Mateo 1 mile above La Honda. Santa Cruz Mountains Comment
  UCSB11506  Pseudotsuga menziesii Olson, Jim 1962-4-15 San Mateo 2 miles east of Portola State Park of Portola State Park Road; 20 miles south of La Honda Comment
  JROH124  Pseudotsuga menziesii var. menziesii John H. Thomas 1970-1-1 15492 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH10  Pteridium aquilinum var. pubescens John H. Thomas 1970-5-16 15633 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH12  Pteridium aquilinum var. pubescens John H. Thomas 1974-10-12 17624 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH3287  Pterostegia drymarioides Herbert Dengler unspecified s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA149177  Pterostegia drymarioides John H. Thomas 1961-5-13 9333 San Mateo Franklin Point. Comment
  CAS-BOT-BC421313  Pterostegia drymarioides Elizabeth McClintock; Paul Reeberg 1988-3-29 s.n. San Mateo San Bruno Mountains. Colma Canyon. 121 Comment
  CDA36281  Puccinellia maritima Michael Perlmutter 2011-6-15 San Mateo South San Francisco; Oyster Point Marina. 0 Comment
  CDA36720  Puccinellia maritima Michael Perlmutter 2011-6-15 San Mateo Burlingame, Sanchez Marsh. 0 Comment
  SD58312  Puccinellia nutkaensis Alan A. Beetle 1946-6-4 4278 San Mateo on S.F. Bay margin; San Mateo Bridge approach, San Mateo City limits Comment
  JROH3753  Pyracantha fortuneana J. H. Thomas 1960-6-8 8773 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near entrance to Searsville Lake Comment
  CAS-BOT-BC362361  Pyrrocoma racemosa var. racemosa L. R. Abrams 1906-9-29 s.n. San Mateo Cooley's [Cooley] Landing Comment
  CAS-BOT-BC105390  Quercus Ned Cahill 1974-4-23 158 San Mateo near the inteersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JROH2531  Quercus John H. Thomas 1974-4-4 17087 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC104277  Quercus X morehus W. R. Dudley 1904-4-10 s.n. San Mateo Santa Cruz Mountain Peninsula, Goat Ranch Road near Alpine Road - Black Mt. Comment
  CAS-BOT-BC61704  Quercus agrifolia Paul Arnaud 1941-3-16 s.n. San Mateo Redwood City - Whipple Road Comment
  CAS-BOT-BC61709  Quercus agrifolia Lewis S. Rose 1964-3-23 64012 San Mateo Emerald Lake, w of Redwood City hills 121 Comment
  HSC8087  Quercus agrifolia L. S. Rose 1964-3-23 64012 San Mateo Emerald Lake, W of Redwood City 122 Comment
  SFV17779  Quercus agrifolia E. W. Holm 1993-11-26 s. n. San Mateo Huddart Park, near Sequoia Picnic Area on east-facing slope. Comment
  UCD23291  Quercus agrifolia Alan T. Whittemore 1976-5-29 103 San Mateo Intersection of Polyhemus Creek Road and Ticonderoga Street, San Mateo. 140 Comment
  UCD45030  Quercus agrifolia J. M. Tucker 1946-3-2 1373 San Mateo Tree on a hillside, associated with Q. wislizenii; about 4 miles east of Pescadero, San Mateo County, California. Comment
  SEINET10962205  Quercus agrifolia Lewis S. Rose 1964-1 Rose 64012 San Mateo Emerald Lake, w. of Redwood City hills. 122 Comment
  JEPS121496  Quercus agrifolia var. agrifolia Adam C. Schneider with C. Matt Guilliams 2013-4-7 105 San Mateo Crystal Springs Reservoir Comment
  CAS-BOT-BC62305  Quercus chrysolepis William R. Dudley 1894-10-1 s.n. San Mateo Black Mountain Road Comment
  JROH2469  Quercus douglasii L. R. Abrams 1904-5-5 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; on old road to the McDonough Ranch Comment
  JROH2471  Quercus douglasii John H. Thomas 1968-4-19 14296 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2474  Quercus douglasii John Hunter Thomas 1984-10-22 23487 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  CAS-BOT-BC105392  Quercus kelloggii W. R. Dudley 1901-5-4 s.n. San Mateo Santa Cruz Mountain Peninsula, Coal Mine Canon [canyon] Comment
  CAS-BOT-BC105394  Quercus kelloggii E. A. McGregor 1908-3-30 s.n. San Mateo Kings Mt. 365 Comment
  CAS-BOT-BC105397  Quercus kelloggii Ira L. Wiggins 1925-4-1 1664 San Mateo On Kings Mountain Road three fourths of a mile above Woodside in the old cut over redwood (S. sempervirens) belt. Comment
  LA205320  Quercus kelloggii David D. Keck; 1932-3-6 1395 San Mateo Santa Cruz Mountains, La Honda road above Searsville Lake Comment
  POM223170  Quercus kelloggii S. S. Berry 1909-3-13 s.n. San Mateo Road below Woodside. 91 Comment
  SEINET12034577  Quercus kelloggii Unknown 1832-1 8931 San Mateo La Honda Road to Sky Line Drive Comment
  CAS-BOT-BC62897  Quercus lobata John H. Thomas 1974-4-11 17136 San Mateo SE of Canada Road and Edgewood Road. NW of Woodside 152 Comment
  JROH2518  Quercus lobata John H. Thomas 1968-4-19 14299 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2524  Quercus lobata John Hunter Thomas 1979-9-9 19733 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA623993  Quercus lobata R. Hoffough 1929-4-24 278 San Mateo Jasper Ridge- Stanford Campus. Comment
  UCSB34854  Quercus lobata Gropp, K. 1959-4-8 San Mateo 2 Frederick Court, Menlo Park, front yard Comment
  CAS-BOT-BC134784  Quercus wislizeni W. R. Dudley 1898-1-1 s.n. San Mateo Santa Cruz Peninsula. On hill above little Butano Creek Comment
  CAS-BOT-BC134788  Quercus wislizeni G. Ward 1941-4-12 s.n. San Mateo San Bruno Hills Comment
  CAS-BOT-BC134782  Quercus wislizeni W. R. Dudley 1903-5-1 s.n. San Mateo Santa Cruz Peninsula. Alpine Road N of Myer's Place Comment
  CAS-BOT-BC362550  Rafinesquia californica John H. Thomas 1961-5-7 9294 San Mateo San Bruno Mountain in northern part of county 396 Comment
  RSA18515  Rafinesquia californica C. B. Wolf 1927-7-14 605 San Mateo Summit of Kings Mountain Rd. Comment
  JROH5899  Ranunculus californicus L. Nordby 1982-4-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lab. 178 Comment
  RSA399414  Ranunculus californicus L. S. Rose 1935-4-16 35097 San Mateo Emerald Lake, W of Redwood City Comment
  JROH3470  Ranunculus californicus John H. Thomas 1968-3-31 14258 San Mateo Jasper Ridge Biological Preserve, Stanford University. Meadow near crest of NE facing slope above Webb Ranch Comment
  CAS-BOT-BC378537  Ranunculus californicus var. californicus John H. Thomas 1964-4-30 10357 San Mateo San Bruno Mountain in northern part of county 00000000000000000000000 396 Comment
  CAS-BOT-BC378530  Ranunculus californicus var. californicus Elizabeth McClintock 1965-3-28 s.n. San Mateo on grassy slope in flower garden adjacent to April Brook Comment
  CAS-BOT-BC378532  Ranunculus californicus var. californicus Elizabeth McClintock; Virginia Ryder 1964-2-16 s.n. San Mateo San Bruno Mountain, low growing on grassy slope above parking lot at top of mountain Comment
  CAS-BOT-BC378534  Ranunculus californicus var. californicus J. H. Thomas 1949-3-29 s.n. San Mateo Kings Mountain Comment
  CAS-BOT-BC378545  Ranunculus californicus var. californicus Elizabeth McClintock; David Schooly; Marcus 1975-4-13 s.n. San Mateo grassy slope above Hillside Blvd., South San Francisco Comment
  RSA0030883  Ranunculus californicus var. cuneatus Lyman Benson 1930-3-2 1947 San Mateo Moss Beach. 15 Comment
  POM268180  Ranunculus californicus var. gratus Lyman Benson 1935-3-10 6251 San Mateo King's Mt. Road, Santa Cruz. San Francisco Bay, 122 Comment
  JROH3476  Ranunculus hebecarpus John H. Thomas 1963-4-13 10033 San Mateo Jasper Ridge Biological Preserve, Stanford University. Moist slopes along road near Searsville Lake, near arm of lake. Comment
  JROH3482  Ranunculus hebecarpus John H. Thomas 1976-4-19 18083 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail in oakwoodland near dam. Comment
  CAS-BOT-BC83428  Ranunculus lobbii A. D. E. Elmer 1903-4-1 4734 San Mateo Alpine School House. Comment
  CAS-BOT-BC83426  Ranunculus lobbii W. R. Dudley 1964-4-22 s.n. San Mateo Santa Cruz Mountain Peninsula. Corte Madera Creek. Along New Grade Road. Comment
  UC162558  Ranunculus muricatus Harley P. Chandler 1901-3-15 798 San Mateo marshes w Colma; Region of San Francisco Bay Comment
  JROH3499  Ranunculus muricatus John Hunter Thomas 1985-4-10 23513 San Mateo Jasper Ridge Biological Preserve, Stanford University. Grassy areas, east of low flow crossing. Comment
  OBI37072  Raphanus sativus M. J. Erwin 1983-11-11 18 San Mateo Around Daggett residence, 100 yds W of Old Canada Rd, within property limits of Filoli Center, Canada Rd, Woodside Comment
  JEPS85565  Rhamnus californica Craig Dremann 1986-8-30 325 San Mateo near San Gregorio (Stage road, 450 ft s of intersection of Seaside School road, on e side of school) Comment
  UC1071558  Rhamnus californica T. Tyrrell 1928-9-26 9 San Mateo 2 mi s San Gregorio; Santa Cruz Quad. 91 Comment
  UC1121743  Rhamnus californica A. E. Wieslander 1935-2-2 505 San Mateo 0.5 mi se Pigeon Pt.; Santa Cruz Quad. 30 Comment
  CAS-BOT-BC55890  Rhamnus crocea H. A. Dutton 1900-2-1 s.n. San Mateo unspecified Comment
  CAS-BOT-BC55892  Rhamnus crocea Carl B. Wolf 1927-8-7 717 San Mateo At Schenkel's Camp back of Stanford University Campus. Los Trancos Creek Comment
  JROH3556  Rhamnus crocea H. L. Mason 1921-3-9 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC389740  Rhododendron occidentale J. Lovelle 1973-7-29 33 San Mateo Pescadero Creek Comment
  CAS-BOT-BC56672  Rhododendron occidentale W. R. Dudley 1895-6-6 s.n. San Mateo Near Iverson's on Upper Pescadero Creek Comment
  CAS-BOT-BC56670  Rhododendron occidentale Roxana S. Ferris 1920-5-2 2003 San Mateo near Bonny Doon 457 Comment
  CAS-BOT-BC92493  Ribes aureum var. gracillimum Adoph Holme 1929-4-1 s.n. San Mateo Berenda Farm near Redwood City. 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
  JEPS49330  Ribes californicum W. L. Jepson 1922-3-19 9540 San Mateo Lake San Andreas Comment
  JROH2636  Ribes californicum var. californicum John H. Thomas 1959-2-23 7518 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2640  Ribes californicum var. californicum John H. Thomas 1967-3-26 12418 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2646  Ribes californicum var. californicum John Hunter Thomas 1982-2-19 20802 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Goya Gate Comment
  JROH2650  Ribes californicum var. californicum Carol Zabel 1989-2-20 2 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 12 near intersection with Trail 10. Comment
  CAS-BOT-BC173087  Ribes divaricatum var. pubiflorum L. R. A. 1904-4-10 s.n. San Mateo East of Crystal Springs Reserv. Comment
  CAS-BOT-BC173088  Ribes divaricatum var. pubiflorum W. R. Dudley 1900-5-19 s.n. San Mateo Aove Week's Ranch by La Honda Road Comment
  CAS-BOT-BC173470  Ribes malvaceum James B. Roof; Walter Knight; Irja Knight 1965-6-20 1127 San Mateo Crystal Cave Canyon Comment
  CAS-BOT-BC173472  Ribes malvaceum D. E. Breedlove 1974-5-13 36205 San Mateo San Pedro Valley Park, Pacifica 152 Comment
  CAS-BOT-BC173474  Ribes malvaceum A. D. E. Elmer 1903-3-1 4750 San Mateo Portola Comment
  CAS-BOT-BC173477  Ribes malvaceum George Oberlander 1949-2-2 5 San Mateo Crest of Sweeney Ridge Comment
  CAS-BOT-BC173469  Ribes malvaceum Walter Knight 1964-9-14 827 San Mateo Near summit Peak Mt. Comment
  UCSB17066  Ribes malvaceum var. malvaceum Schulte, John 1963-4-14 San Mateo 3 miles southwest of Stanford Campus; between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  CAS-BOT-BC212811  Ribes menziesii David D. Keck 1932-3-6 1397 San Mateo Near La Honda, Santa Cruz Mts. 200 Comment
  UC11716  Ribes menziesii J. Burtt Davy Jun 21 1893-Jun 23 1893 1148 San Mateo Pilarcitos Lake and Canyon Comment
  SEINET12220270  Ribes menziesii Unknown 1932-1 8946 San Mateo Los Francos Woods Comment
  RSA0021754  Ribes menziesii var. leptosmum A. D. E. Elmer 1903-04 4496 San Mateo Portola. Comment
  JROH2669  Ribes menziesii var. menziesii John Hunter Thomas 1981-4-5 20283 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek. Comment
  CDA34444  Ribes sanguineum M. Beyers, Z. Bakman, L. Feely, & D. Sozanni 2011-4-4 874 San Mateo Pacifica: San Pedro Valley County Park, along Brooks Creek Trail. 148 Comment
  CAS-BOT-BC144602  Ribes sanguineum var. glutinosum James McMurphy 1902-4-6 s.n. San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC144604  Ribes sanguineum var. glutinosum J. H. Thomas 1949-3-31 204 San Mateo King's Mountain 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-BC144608  Ribes sanguineum var. glutinosum David D. Keck 1932-2-14 1370 San Mateo Near La Honda, Santa Cruz Mountains, (3 miles north) 365 Comment
  CAS-BOT-BC144649  Ribes sanguineum var. glutinosum W. R. Dudley 1904-3-1 62 San Mateo Corte de Madera Creek, Santa Cruz Mts Comment
  RSA0019111  Ribes sanguineum var. glutinosum Lyman Benson 1930-6-14 2159 San Mateo La Honda. Santa Cruz Mountains. 244 Comment
  RSA0019112  Ribes sanguineum var. glutinosum Carl B. Wolf 1927-2-19 215 San Mateo On north road to King s Mountain. Comment
  CAS-BOT-BC168725  Ribes victoris Eric Walther 1919-2-23 s.n. San Mateo Woodside Comment
  JROH1210  Rigiopappus leptocladus John Hunter Thomas 1992-4-29 25169 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1202  Rigiopappus leptocladus Peter H. Raven 1963-5-1 18259 San Mateo Jasper Ridge Biological Preserve, Stanford University; north end of Jasper Ridge Comment
  JROH1205  Rigiopappus leptocladus John Hunter Thomas 1982-5-9 20925 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2206  Robinia pseudoacacia Toni Corelli & Ann Lambrecht 2007-4-25 333 San Mateo Jasper Ridge Biological Preserve, Stanford University; caretakers residence 106 Comment
  CAS-BOT-BC6011  Romanzoffia californica Charles Fuller Baker 1902-4-6 463 San Mateo Crystal Springs Lake Comment
  POM65802  Romanzoffia californica L. R. Abrams 1915-3-23 5568 San Mateo Crystal Springs - San Mateo Road on rocky bluff. Comment
Read comments Dec 31 2014
  JROH1580  Rorippa palustris subsp. palustris John Hunter Thomas 1977-6-16 18784 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC147621  Rosa californica Alice Eastwood 1921-7-17 s.n. San Mateo Granada Comment
  CAS-BOT-BC147623  Rosa californica Alice B. Wright 1919-8-1 s.n. San Mateo Granada Comment
  CAS-BOT-BC146696  Rosa gymnocarpa Margaret A. Barry 1937-5-15 85 San Mateo On Coal Mine Ridge 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
  UCD23294  Rosa rubiginosa Alan T. Whittemore 1976-5-29 112 San Mateo San Francisco Fish and Game Refuge. East side of Lower Crystal Springs Lake, on Sawyer's Camp Road. 94 Comment
  CAS-BOT-BC156575  Rubus John Thomas Howell 1938-6-4 13891 San Mateo Burlingame Comment
  CAS-BOT-BC152828  Rubus parviflorus Ira L. Wiggins 1939-8-12 9296 A San Mateo along banks of Gazos Cr., about 5 miles inland form coast. Comment
  RSA152234  Rubus parviflorus var. velutinus I. L. Wiggins 1925-04 1658 San Mateo On Kings Mtn Rd 3/4 mile above Woodside. Comment
  CAS-BOT-BC156770  Rubus spectabilis W. R. Dudley 1900-3-16 s.n. San Mateo By bridge over Pilarcitos road (Spanishtown & San Mateo) Comment
  CAS-BOT-BC156772  Rubus spectabilis Peter H. Raven 1951-3-12 2749 San Mateo N. base San Bruno Mountains Comment
  UCSB44344  Rubus spectabilis Brownell, Kathleen 1979-3-27 San Mateo Gazoos Road, 0.7 miles east of Highway 1; Near Butano State Park; Western foothills of the Santa Cruz Mountains; 45 Comment
  CAS-BOT-BC157096  Rubus ursinus George Oberlander 1949-4-9 25 San Mateo Pilarcitos Canyon Comment
  CAS-BOT-BC157105  Rubus ursinus Alice Eastwood; John Thomas Howell 1938-6-26 6055 San Mateo Near Pescadero Comment
  CAS-BOT-BC157112  Rubus ursinus Javier Penalosa 1963-2-23 2650 San Mateo San Bruno Mtn. Ravine south of Crocker Ave. 213 Comment
  CAS-BOT-BC157085  Rubus ursinus E. McClintock; Phillip Wheeler 1965-5-23 s.n. San Mateo Below and east of Nike station Comment
  UCSB17156  Rubus ursinus 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
  POM223623  Rubus vitifolius S. S. Berry 1909-3-31 s.n. San Mateo San Francisquito Creek. 61 Comment
  JROH3290  Rumex acetosella D. D. Davis 1903-4-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. West end of Searsville Ridge. Comment
  RSA128689  Rumex acetosella Peter H. Raven 1950-6-3 2221 San Mateo along Millbrae Ave., Millbrae. 61 Comment
  RSA185747  Rumex acetosella John H. Thomas 1949-4-6 237 San Mateo 4 miles S of Daly city Comment
  SD1201  Rumex acetosella U. S. Grant IV 1925-6-5 San Mateo San Mateo Comment
  UCD101038  Rumex acetosella E. M. Johnston Jun and Jul 191 11 San Mateo Bay Region, Millbrae. Comment
  JROH3296  Rumex conglomeratus John Hunter Thomas 1990-2-6 24867 San Mateo Jasper Ridge Biological Preserve, Stanford University 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-BC433359  Rumex crispus Ned Cahill 1974-5-3 275 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City. Comment
  CAS-BOT-BC433366  Rumex crispus Margaret Barry 1938-5-14 257 San Mateo Near Mud Lakes, Coal Mine Ridge Comment
  CAS-BOT-BC433542  Rumex fueginus George Oberlander 1950-7-15 1106 San Mateo San Francisco Watershed Reserve. About San Andreas Lake Comment
  CAS-BOT-BC433544  Rumex fueginus W. R. Dudley 1909-10-10 s.n. San Mateo Santa Cruz Mountain Peninsula. E. side Crystal Springs Reservoir. Comment
  CAS-BOT-BC433817  Rumex pulcher David D. Keck 1932-5-6 1458 San Mateo Belmont Comment
  JEPS39879  Rumex salicifolius var. crassus unknown 1925-5-28 15 San Mateo Salada Comment
  RSA788844  Rumex salicifolius var. denticulatus Peter Rubtzoff 1980-8-4 9564 San Mateo Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  UCD164248  Rumex transitorius Peter Rubtzoff 1979-7-26 9299 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  JROH2215  Rupertia physodes John H. Thomas 1975-6-5 17945 San Mateo Jasper Ridge Biological Preserve, Stanford University; below Searsville Dam Comment
  UC279598  Ruppia maritima W. A. Setchell San Mateo Laguna de Salada Comment
  CAS-BOT-BC454177  Ruppia maritima Ira L. Wiggins 1946-4-30 11199 San Mateo On west side of Bayshore Highway 1/2 mile north of Redwood City. Comment
  UCD163902  Ruta Peter Rubtzoff 1988-4-12 9901 San Mateo San Bruno Mountain, on east side of Summit Road (former Radio Road), ca. 1 mile from San Bruno Mtn. Park entrance. Comment
  RSA159420  Sagina apetala John H. Thomas 1961-5-14 9371 San Mateo Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. San Francisco Watershed Reserve. 152 Comment
  JROH1715  Sagina apetala Oz Garton 1968-5-27 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET12002759  Salix bonplandiana McCallum 1933-1 s.n. San Mateo near Searsville Lake Comment
  CAS-BOT-BC125373  Salix lasiandra var. lasiandra W. R. Dudley 1903-5-1 s.n. San Mateo Iverson's by Peters Creek Comment
  CAS-BOT-BC125371  Salix lasiandra var. lasiandra W. R. Dudley 1900-3-17 s.n. San Mateo South side of Montara Mts. along road Comment
  CAS-BOT-BC107126  Salix lasiolepis Walter Knight; Irja Knight 1965-2-28 868 San Mateo Colma Canyon - San Bruno Mt. Comment
  CAS-BOT-BC107131  Salix lasiolepis C. R. Ball; G. W. Hendry 1931-2-22 14 San Mateo San Gregorio, near sea level - in arroyo near San Gregorio Creek, 100 m. from ocean Comment
  JROH3859  Salix lasiolepis A. D. E. Elmer 1903-3-1 4875 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake Comment
  JROH3860  Salix lasiolepis W. R. Dudley 1903-4-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Wild Plum Canyon, Searsville Ridge Comment
  RSA119073  Salix lasiolepis L. S. Rose 1958-3-19 58009 San Mateo Princeton. 6 Comment
  UC1303068  Salix lasiolepis L. R. Abrams 1915-3-13 5161 San Mateo near junction of San Francisquito and Los Trancos creeks (about 2 mi from Stanford University) 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
  CAS-BOT-BC107248  Salix lasiolepis var. bigelovii Peter Rubtzoff 1987-11-27 9888 San Mateo San Bruno Mountains, Saddle area on north side of Guadelupe Canyon, Parkway west of Radio Road junction; northwestern part of the area along old Guadelupe Road, Upper part of East Fork Colma Creek canyon. Comment
  CAS-BOT-BC108255  Salix lasiolepis var. bigelovii Peter H. Raven 1950-4-30 1981 San Mateo Along a stream in the Montara Mts. ca 1/2 mile N. of Montara 91 Comment
  CAS-BOT-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
  SBBG33942  Salix lucida subsp. lasiandra L. S. Rose 1965-3-8 65002 San Mateo Searsville Lake 121 Comment
  RSA15199  Salix scouleriana Carl B. Wolf 1926-10-19 76 San Mateo La Honda Grade. Santa Cruz Mtns. Comment
  UCR142837  Salix scouleriana L. S. Rose 1934-2-10 34025 San Mateo Coast Range, Skyline Blvd. 4 miles south of Kings Mountain 701 Comment
  CAS-BOT-BC126483  Salix sitchensis L. R. A. 1902-3-1 2272 San Mateo Kings Mountain Comment
  CAS-BOT-BC126510  Salix sitchensis E. A. McGregor 1908-3-28 s.n. San Mateo [King's] Kings Mt. 365 Comment
  CAS-BOT-BC126512  Salix sitchensis A. D. E. Elmer 1903-6-1 4786 San Mateo Lake San Andreas Comment
  CAS-BOT-BC126514  Salix sitchensis Lewis S. Rose 1964-3-14 64006 San Mateo Princeton 6 Comment
  CAS-BOT-BC126517  Salix sitchensis W. R. Dudley 1900-3-17 s.n. San Mateo Below Pilar Point Comment
  CAS-BOT-BC126518  Salix sitchensis George Oberlander 1950-3-11 820 San Mateo San Mateo Creek Comment
  POM167784  Salix sitchensis C. F. Baker 1902-3-18 390 San Mateo King's Mountain Comment
  POM176877  Salix sitchensis W. R. Dudley 1900-3-17 s.n. San Mateo Below Pilar Point. Santa Cruz Peninsula. Comment
Read comments Feb 2 2014
  UC75017  Salvia columbariae C. F. Baker 1902-4-6 546 San Mateo Crystal Springs Lake Comment
  SJSU5408  Salvia officinalis A. J. Cortopassi 1959-5-9 San Mateo 2319 Hillside Dr, Burlingame Comment
  UC138837  Salvia spathacea C. F. Baker 1903-4-6 1878 San Mateo San Bruno Hills San Francisco Comment
  RSA185018  Salvia spathacea L. S. Rose 1965-5-3 65059 San Mateo San Bruno Mountain, Colma Canyon. 61 Comment
  CAS-BOT-BC246015  Sambucus nigra subsp. caerulea Fred Hemphill 1973-3-9 639 San Mateo North of Malabar Road and Melendy Drive, San Carlos 207 Comment
  CAS-BOT-BC246020  Sambucus nigra subsp. caerulea Walter Knight; Irja Knight 1965-4-24 1029 San Mateo Point San Bruno at the bay shore on bluff, San Bruno Mountain Comment
  CAS-BOT-BC246022  Sambucus nigra subsp. caerulea Margaret A. Barry 1937-6-24 188 San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC246024  Sambucus nigra subsp. caerulea Daniel Cohen 1953-6-3 107 San Mateo Los Trancos Woods Comment
  CAS-BOT-BC246027  Sambucus nigra subsp. caerulea A. D. E. Elmer 1903-7-1 4689 San Mateo Portola Comment
  JEPS127879  Sambucus nigra subsp. caerulea Adam C. Schneider 2013-5-17 143 San Mateo Crystal Springs Reservoir Comment
  CAS-BOT-BC236458  Sambucus racemosa subsp. racemosa A. D. E. Elmer 1903-6-1 5080 San Mateo Butano Creek Comment
  CAS-BOT-BC236452  Sambucus racemosa subsp. racemosa Nancy Kittle 1981-5-15 067 San Mateo 1 mile west of junction of Highway 280 with Sandhill Road 50 Comment
  UCD163785  Sambucus racemosa var. racemosa Peter Rubtzoff 1988-6-9 9925 San Mateo San Bruno Mountains, upper part of East Fork Colma Creek Canyon. Comment
  OBI8785  Sanicula arctopoides Lewis S. Rose 1961-4-5 61030 San Mateo San Bruno Mts. 366 Comment
  POM87764  Sanicula arctopoides L. R. Abrams 1902-4-13 2344 San Mateo San Andreas Lake. Comment
  RSA187473  Sanicula arctopoides John H. Thomas 1964-4-30 10347 San Mateo San Bruno Mtn in northern part. Northern Coastal Scrub of Munz and Keck 305 Comment
  JROH319  Sanicula bipinnata Ann Lambrecht 2003-4-9 5 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 11, W edge of trail, around curve SW of Collinsia heterophylla site Comment
  CAS-BOT-BC223317  Sanicula bipinnatifida A. D. E. Elmer 1903-4-1 4817 San Mateo Lake San Andreas Comment
  CAS-BOT-BC223325  Sanicula bipinnatifida H. A. Dutton 1900-2-11 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  SEINET9699624 Image available Sanicula bipinnatifida Genevieve J. Kline 1996-1 332 San Mateo Stanford, Stanford University, foothills above Junipero Serra Blvd. Comment
  JROH328  Sanicula crassicaulis Ynez Henderson 1920-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lake Comment
  JROH339  Sanicula crassicaulis John H. Thomas 1975-4-30 17844 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA175250  Satureja douglasii Robert F. Thorne, P. Everett 1963-6-9 32244 San Mateo On top of San Bruno Mountain. 335 Comment
  JROH351  Scandix pecten-veneris John H. Thomas 1973-3-12 16484 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA790260  Schedonorus arundinaceus Peter Rubtzoff 1977-6-21 9060 San Mateo Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction northwest of Fog Forest. Comment
  RSA135629  Schoenoplectus maritimus Roxana S. Ferris 1920-8-11 2037 San Mateo Santa Cruz Mountain Peninsula: End of Embarcadero Road, near Palo Alto Comment
  SEINET7591849 Image available Schoenoplectus pungens T. Holm 1903-1 3336 San Mateo Montara Point Comment
  UCD50157  Schoenoplectus pungens var. badius S. Galen Smith; Malcolm A. Nobs 1949-8-25 1558 San Mateo Marshes at Sharp Park, San Mateo County. Comment
  UC1100796  Scirpus californicus Herbert L. Mason 1946-8-28 13092 San Mateo Pond Highway 5 about 3 mi s Daly City Road; s of Daly City Road, pond Comment
  JROH4424  Scirpus microcarpus John Rawlings, Carol Zabel, 2006-5-3 0904 San Mateo Jasper Ridge Biological Preserve, Stanford University. Downstream towards Searsville Lake from the footbridge near northwest terminus of Trail 12. 107 Comment
  UC1100838  Scirpus microcarpus Herbert L. Mason, Verne Grant 1946-8-28 13093 San Mateo on Highway 5 one mi w of San Bruno between Santa Cruz and Daly City; w of San Bruno Comment
  CDA39140  Scirpus microcarpus I. J. Campbell 1959-4-16 s.n. San Mateo Quadro Ranch, Pescadero. 0 Comment
  CAS-BOT-BC519000  Scoliopus bigelovii J. H. Thomas 1949-3-29 194 San Mateo Kings Mountain Comment
  CAS-BOT-BC519002  Scoliopus bigelovii Elmer I. Applegate 1895-3-9 737 San Mateo Above Woodside Comment
  CAS-BOT-BC519004  Scoliopus bigelovii George Oberlander 1949-4-17 87 San Mateo Pilarcitos Canyon Comment
  CAS-BOT-BC519007  Scoliopus bigelovii W. R. Dudley 1898-3-5 s. n. San Mateo Kings Mt Comment
  CAS-BOT-BC519020  Scoliopus bigelovii Alice Eastwood 1933-4-30 s. n. San Mateo Lake Pilarcitos on road out Comment
  CAS-BOT-BC519022  Scoliopus bigelovii C. F. Baker 1902-3-18 322 San Mateo King's Mountain Comment
  JEPS62100  Scoliopus bigelovii Elsa Kraeger 1926-2-21 San Mateo n. La Honda Comment
  POM193870  Scoliopus bigelovii Le Roy Abrams 1904-3-7 s.n. San Mateo Bear Gulch. Santa Cruz Mountain Peninsula. Comment
  SEINET12050524  Scoliopus bigelovii F. H. Utech 1988-1 88 -041 San Mateo 3.3 mi from junction of Kings Mt Rd & CA 35 on former enroute to Woodside 260 Comment
  SEINET3991401  Scoliopus bigelovii Unknown 1972-1-29 1 San Mateo Huddart Park, Woodside Comment
  CDA7623  Scolymus hispanicus T. C. Fuller 1965-7-8 13755 San Mateo D. McBryde property, 140 Eleanor Drive, Woodside. 0 Comment
  CDA7624  Scolymus hispanicus T. C. Fuller 1965-7-8 13755 San Mateo D. McBryde property, 140 Eleanor Drive, Woodside. 0 Comment
  JROH5784  Scribneria bolanderi John Rawlings 2016-5-3 1778 San Mateo Jasper Ridge Biological Preserve, Stanford University; bare, rocky, sepentinite about 30 yards west of Rd F in Area C 177 Comment
  JEPS127846  Scrophularia californica Adam C. Schneider 2013-4-7 84 San Mateo Comment
  RSA131004  Scrophularia californica Deborah Hichborn 1920-4-20 s.n. San Mateo Near San Francisquito Creek. Santa Cruz Mountain Peninsula. Comment
  CAS-BOT-BC376418  Scrophulariaceae Greg de Nevers 2001-9-26 12630 San Mateo Palo Alto. Comment
  JROH2887  Scutellaria tuberosa John Hunter Thomas 1986-5-8 24029 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5752  Scutellaria tuberosa L. Nordby 1982-5-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Oak woodland just west of the serpentine grasslands on the top of Jasper Ridge Comment
  CAS-BOT-BC59055  Sedum spathulifolium A. D. E. Elmer 1903-6-1 4550 San Mateo Toward San Mateo from Crystal Springs Lake Comment
  CAS-BOT-BC59051  Sedum spathulifolium Phillip C. Wheeler 1965-7-8 s.n. San Mateo Canyon adjacent to quarry, San Bruno Mountain Comment
  RSA0012754  Senecio aronicoides John H. Thomas 1961-5-7 9308 San Mateo San Bruno Mountain, in northern part of county. 305 Comment
  CAS-BOT-BC363385  Senecio aronicoides W. R. Dudley 1893-5-27 s.n. San Mateo Santa Cruz Peninsula. Near Summit Springs - Kings Mt. Comment
  CAS-BOT-BC363396  Senecio aronicoides Le Roy Abrams 1901-5-11 1612 San Mateo Colma Comment
  SEINET5571345  Senecio aronicoides H. S. Gentry 1931-1 103 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  UC580090  Senecio glomeratus Ira L. Wiggins 1934-8-11 6970 A San Mateo salt flats beside tannery Redwood City Comment
  CAS-BOT-BC364240  Senecio sylvaticus John H. Thomas 1961-5-7 9272 San Mateo San Bruno Mountain in northern part of county 396 Comment
  JROH1227  Senecio vulgaris John Hunter Thomas 1980-11-27 20191 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET5571340  Senecio vulgaris H. S. Gentry 1931-1 96 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  CAS-BOT-BC80290  Sequoia sempervirens Ira L. Wiggins 1925-4-1 1659 San Mateo On Kings Mountain Road three fourths of a mile above Woodside Comment
  CAS-BOT-BC80292  Sequoia sempervirens W. R. Dudley 1900-2-1 s.n. San Mateo near Kings Mt. House Comment
  UC429816  Sequoia sempervirens W. R. Dudley 1901-1 San Mateo near Searsville Comment
  CAS-BOT-BC85778  Sequoia sempervirens W. R. Dudley 1902-12-1 s.n. San Mateo On trail from Iverson's Bull Spring Comment
  SEINET5334846  Sequoia sempervirens R. L. Oliver 1976-4-18 s.n. San Mateo La Honda. San Mateo Memorial Park. Redwood forest. Comment
  CDA33644  Sesbania punicea Robin Breckenridge 2010-7-2 PDR# 1313483 San Mateo East Palo Alto; Cooley Ave. 0 Comment
  JROH3829  Sherardia arvensis John H. Thomas 1957-4-16 6661 San Mateo Jasper Ridge Biological Preserve, Stanford University. Open serpentine area on top of ridge and adjacent slopes Comment
  UCR121586  Sherardia arvensis George K. Helmkamp, E. A. Helmkamp 1999-6-28 4965 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
  SBBG83432  Sherardia arvensis B. Bowman 1961-3-30 30 San Mateo corner of Sebastian Drive and Lassuen Court; Burlingame 9 Comment
  SBBG30044  Sidalcea diploscypha L. S. Rose 1935-6-9 San Mateo Emerald Lake, W of Redwood City Comment
  SBBG30046  Sidalcea diploscypha L. S. Rose 1948-5-16 San Mateo Emerald Lake, hills W of Redwood City 152 Comment
  UCR136722  Sidalcea diploscypha L. S. Rose 1948-5-16 48117 San Mateo San Francisco Bay Region, Emerald Lake, hills west of Redwood City 152 Comment
  CDA33789  Sidalcea malviflora D. G. Kelch 2011-3-13 11 .049 San Mateo Pacifica. Along sea bluffs 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
  RSA130377  Sidalcea malviflora subsp. malviflora W. R. Dudley 1900-3-17 s.n. San Mateo By road, top of Montara Mts. Comment
  CAS-BOT-BC175277  Silene W. R. Dudley 1900-3-17 s.n. San Mateo By grade, south slope, near top Montara Mts. Comment
  POM151595  Silene californica A. D. E. Elmer 1903-06 4446 San Mateo Crystal Springs Lake. Comment
  RSA18377  Silene californica C. B. Wolf 1927-7-1 531 San Mateo Above Emerald Lake, back of Redwood City. Comment
  JROH1729  Silene laciniata subsp. californica John Hunter Thomas 1989-6-17 24775 San Mateo Jasper Ridge Biological Preserve, Stanford University; near San Francisquito Creek Comment
  CAS-BOT-BC389899  Silene scouleri subsp. scouleri Elizabeth McClintock; Paul Reeberg 1988-8-12 s.n. San Mateo San Bruno Mountains. Kamtchaka [Kamchatka] Point Comment
  CAS-BOT-BC364859  Silybum marianum Ned Cahill 1974-7-14 356 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC75379  Sisymbrium orientale Walter Knight; Irja Knight 1965-4-11 s.n. San Mateo San Bruno Mountains. Guadalupe Road about 0.5 mile from Radio Road. Comment
  JROH4441  Sisyrinchium bellum John H. Thomas 1967-6-1 12966 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4444  Sisyrinchium bellum John Hunter Thomas 1981-4-23 20488 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  UCSB11441  Sisyrinchium bellum Olson, Jim 1962-4-17 San Mateo 1 mile east of Halfmoon Bay; on road to San Mateo 15 Comment
  POM291003  Sisyrinchium bellum Lyman Benson 1935-4-27 6421 San Mateo La Honda Road, Santa Cruz Mts, east of Skyline Blvd., San Francisco Bay watershed. 457 Comment
  RSA26886  Sisyrinchium bellum R. C. Rollins 1941-3-22 2948 San Mateo 1 mile north of Belmont Comment
  SEINET5571633  Sisyrinchium bellum H. S. Gentry 1931-1 6 San Mateo Collected 1.5 miles west of San Mateo, Half-moon Bay road. Comment
  UC1332467  Solanum douglasii G. L. Stebbins Jr. and E. F. Paddock 1939-8-17 63 San Mateo San Gregorio Comment
  RSA523368  Solanum douglasii Gordon H. True Jr. 1937-7-23 806 San Mateo North of Sharpe Park. 15 Comment
  SEINET10546495  Solanum douglasii Mary Susan Taylor 1978-8-30 Taylor 1860 San Mateo Comment
  SEINET5571744  Solanum douglasii H. S. Gentry 1931-1 88 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  UCD126847  Solanum furcatum John H. Thomas 1961-5-7 9302 San Mateo San Bruno Mountain in northern part of county. 304 Comment
  CAS-BOT-BC35922  Solanum umbelliferum Fred Hemphill 1973-4-15 673 San Mateo San Carlos. Chaparral area N of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC58478  Solanum umbelliferum M. A. Barry 1937-5-15 114 San Mateo Coal Mine Ridge Comment
  RSA295084  Solanum umbelliferum Robert A. Norris, John L. Inase 1981-1-18 4093 San Mateo Near Ano Nuevo Point. (near Santa Cruz Co. line) Comment
  SBBG26835  Solanum umbelliferum L. S. Rose -Feb-1934 San Mateo Woodside Comment
  UC676731  Solanum umbelliferum Reed C. Rollins 1941-3-16 2944 San Mateo about 6 mi w of Woodside (e slope of Kings Mountain); Santa Cruz Mountains, Kings Mountain Comment
  CAS-BOT-BC156868  Solanum umbelliferum W. R. Dudley 1896-2-16 s.n. San Mateo Glen Gloaming near Peters Cr., Santa Cruz Mts. Comment
  UCD40949  Solanum wallacei J. Skoss 1948-8-22 113 San Mateo San Vincente Canyon, near Montara. Comment
Read comments Aug 8 2007
  CAS-BOT-BC365533  Solidago elongata R. E. Frenkel 1963-12-7 324 San Mateo San Francisco Water District, Whiting Ridge Road, ca. 0.9 mile south-west of Spring Valley Road Comment
  UC1070247  Solidago elongata G. E. Sindel 1935-7-22 292 San Mateo 1/4 mi s Pescadero; Santa Cruz Quad. Comment
  SEINET11382904 Image available Solidago elongata Unknown 1931-1 s.n. San Mateo Kings Mt. Comment
  SD38297  Solidago spathulata Edith A. Purer 1932-7-18 4024 San Mateo Comment
  UC1555381  Solidago spathulata J. A. DeBenedictis 1988-7-13 1543 San Mateo San Bruno Mountain Comment
  JROH1237  Solidago velutina subsp. californica John Hunter Thomas 1990-7-28 24938 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC365925  Soliva sessilis W. R. Dudley 1895-6-6 s.n. San Mateo Santa Cruz Peninsula. Near Pescadero Creek Comment
  RSA195396  Soliva sessilis John H. Thomas 1954-6-11 4283 San Mateo About 0.25 miles north of Pigeon Point Light House along low coastal bluffs. Comment
  UC909336  Soliva sessilis Ira L. Wiggins 1950-5-20 12352 San Mateo above Pescadero Beach Comment
  CAS-BOT-BC353414  Soliva sessilis Peter Rubtzoff 1976-5-22 8550 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction. East Fork Colma Creek canyon area, San Bruno Mountains. Comment
  JROH1247  Soliva sessilis John Hunter Thomas 1983-5-23 22249 San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack side & low-flow crossing 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
  RSA128377  Sonchus oleraceus P. H. Raven 1950-6-3 2209 San Mateo along Millbrae Ave., Millbrae. 61 Comment
  RSA181336  Sorghum bicolor subsp. drummondii John H. Thomas 1965-9-8 11444 San Mateo Near intersection of Bayshore & University Ave., East Palo Alto Comment
  CAS-BOT-BC236581  Sorghum halepense John H. Thomas 1968-10-6 14846 San Mateo Vicinity of railroad tracks and Dumbarton Bridge causeway entrance, east of Palo Alto Comment
  POM182582  Sparganium erectum subsp. stoloniferum D. D. Keck 1931-8-6 1264 San Mateo Near Searsville Lake. 75 Comment
  JROH5600  Spergula arvensis John Rawlings 2014-3-18 1209 San Mateo Jasper Ridge Biological Preserve, Stanford University; upper trail 3. 187 Comment
  RSA159416  Spergula arvensis John H. Thomas 1961-5-7 9247 San Mateo Colma, near intersection of El Camino Real and F Street 46 Comment
Read comments Aug 15 2014
  RSA65493  Spergula arvensis Mabel Peirson 1926-2-24 6520 San Mateo Moss Beach. Comment
  JROH1759  Spergularia John Hunter Thomas 1979-9-9 19721 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC166913  Spergularia arvensis Peter Rubtzoff 1976-5-22 8551 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, northwest of Fog Forest. Comment
  CAS-BOT-BC390206  Spergularia bocconi Elizabeth McClintock; Paul Reeberg 1988-6-7 s.n. San Mateo San Bruno Mountains. P.G.&E. Marsh Comment
  RSA224264  Spergularia bocconi P. H. Raven 1954-5-16 6954 San Mateo Oceanic bluffs North of mouth of Lobos Creek. Comment
  CAS-BOT-BC390460  Spergularia macrotheca var. macrotheca Ira L. Wiggins; Roxana S. Ferris 1939-8-2 9290 A San Mateo Ano [Ano] Nuevo Point Comment
  CAS-BOT-BC390467  Spergularia macrotheca var. macrotheca Elsie M. Zeile 1921-7-30 s.n. San Mateo Salada Comment
  CAS-BOT-BC390462  Spergularia macrotheca var. macrotheca Robt. T. Orr 1961-7-13 s.n. San Mateo Ano [Ano] Nuevo Island 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-BC390546  Spergularia media S. D. Halsey 1908-10-1 s.n. San Mateo Redwood City Comment
  CAS-BOT-BC390701  Spergularia rubra Elizabeth McClintock; Walter Knight; Irja Knight 1963-9-2 s.n. San Mateo San Bruno Mountain. Top of ridge above Brisbane Comment
  CAS-BOT-BC390703  Spergularia rubra Philip C. Wheeler 1965-5-17 s.n. San Mateo San Bruno Mountain. In Crocker Hills near the Cow Palace Comment
  HSC100920  Sphacele calycina E. L. Greene 1887-6-12 San Mateo San Mateo. Comment
  POM299450  Stachys ajugoides L. S. Rose 1941-10-24 41469 San Mateo Belmont. 3 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
  HSC23942  Stachys bullata Mary Katherine Wicksten 1971-6-15 50 San Mateo Huddart Park near horse ring Comment
  UC306580  Stachys bullata A. D. E. Elmer June, 1903 4417 San Mateo San Mateo Comment
  UCLA71396  Stachys bullata Alice Eastwood 1933-5-31 18840 San Mateo on road near Pescadero Comment
  POM284551  Stachys bullata Lyman Benson 1930-5-26 2136 San Mateo Stanford University. Lake Searsville. 152 Comment
  RSA116743  Stachys bullata L. R. Abrams 1915-6-7 5245 San Mateo Woodside to Crystal Springs Road. Comment
  SEINET10499250  Stachys bullata A. Arthur Heller 1907-5-28 Heller 8581 San Mateo Back of San Mateo on the Half Moon Bay road Comment
  UC2055637  Stachys pycnantha Carl B. Wolf 1927-6-1 535 San Mateo Above Emerald Lake, W of Redwood City . Comment
  CAS-BOT-BC164655  Stachys rigida subsp. quercetorum Peter Rubtzoff 1977-6-21 9063 San Mateo San Bruno Mountain. Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction; East Fork Colma Creek Canyon, near upper rim. Comment
  JROH1273  Stebbinsoseris heterocarpa John Rawlings 2007-5-30 1035 San Mateo Jasper Ridge Biological Preserve, Stanford University; uphill from Escobar horse trail, 126 Comment
  CAS-BOT-BC394058  Stellaria media John H. Thomas 1965-4-29 10623 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  CAS-BOT-BC394054  Stellaria media Elizabeth McClintock 1965-3-21 s.n. San Mateo Along summit of ridge east of Brisbane Power Lines; San Bruno Mountain Comment
  JROH1788  Stellaria nitens John H. Thomas 1958-2-15 6993 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1791  Stellaria nitens John Hunter Thomas 1988-5-16 24462 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5735  Stellaria nitens John Rawlings 2015-4-5 1655 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near base of scree slope in old quarry off of Trail 12 111 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
  JROH5337  Stipa pulchra W. Lennihan 1989-4-6 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. By Searsville Lab. Comment
  POM259788  Stuckenia pectinata I. L. Wiggins, Roxana S. Ferris 1939-8-2 9293 San Mateo Ano Nuevo Point Comment
  UCSB272  Stuckenia pectinata McPherson, D. 1960-8-1 San Mateo Felt Lake, Stanford University foothills Comment
  CAS-BOT-BC271643  Symphoricarpos albus var. laevigatus W. R. Dudley 1901-5-4 s.n. San Mateo Coal Mine Canyon near head Los Trancos Creek, Santa Cruz Mountain Peninsula Comment
  JROH1684  Symphoricarpos albus var. laevigatus John Hunter Thomas 1981-7-12 20692 San Mateo Jasper Ridge Biological Preserve, Stanford University; near boat dock Comment
  POM285012  Symphoricarpos albus var. laevigatus Lyman Benson 1937-7-15 8449 San Mateo Upper San Francisquito Creek, Santa Cruz Mountains; San Francisco Bay watershed. 244 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
  RSA18299  Symphoricarpos mollis C. B. Wolf 1927-5-31 417 San Mateo North end of Searsville Lake. 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
  SJSU11805  Symphyotrichum chilense R. E. Douglas 1964-11-11 San Mateo Half Moon Bay Comment
  CAS-BOT-BC99054  Symphyotrichum chilense Alice Eastwood; John Thomas Howell Apr. 24, 1938. 5253 San Mateo Tunitas Comment
  RSA417609  Symphyotrichum chilense D. D. Keck 1931-9-27 1274 San Mateo Dumbarton bridge Comment
  CAS-BOT-BC99389  Symphyotrichum subspicatum E. H. Quayle 1920-5-18 242 San Mateo Half Moon Bay, Santa Cruz Mountain Peninsula Comment
  JEPS20079  Symphyotrichum subspicatum Peter H. Raven 1957-9-1 11294 San Mateo 1.1 mi s of, Pigeon Point Lighthouse Comment
  JROH1278  Tanacetum parthenium John Hunter Thomas 1983-6-29 22697 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3001  Taraxia ovata John H. Thomas 1971-4-10 15761 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2998  Taraxia ovata W. R. Dudley 1894-3-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; canada above Searsville Reservoir Comment
  JROH3004  Taraxia ovata John Hunter Thomas 1978-4-25 19148 San Mateo Jasper Ridge Biological Preserve, Stanford University; old parking area Comment
  JEPS897  Tauschia kelloggii J. Burtt Davy Jun 21 1893-Jun 23 1893 San Mateo Pilarcitos Lake and Canyon Comment
  UCR121562  Tellima grandiflora George K. Helmkamp, E. A. Helmkamp 1999-6-28 4971 San Mateo Pescadero Creek Watershed, Pescadero Road just north of Loma Mar 107 Comment
  CAS-BOT-BC447483  Tellima grandiflora Le Roy Abrams 1901-5-1 1558 San Mateo Searsville-Bear Gultch Comment
  CAS-BOT-BC438271  Tetragonia tetragonoides Saichi Kawahara 1969-12-3 1739 San Mateo Mouth of Ana [Ano] Nuevo Creek Comment
  JROH3509  Thalictrum fendleri var. polycarpum D. E. Breedlove 1971-5-31 19373 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH5910  Thalictrum fendleri var. polycarpum L. Nordby 1982-4-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail between Escobar Gate and the weather station. Comment
  CAS-BOT-BC399838  Thalictrum polycarpum Margaret A. Barry 1938-4-21 248 San Mateo By Los Trancos Creek near Coal Mine Ridge Comment
  JROH1619  Thysanocarpus curvipes John Hunter Thomas 1990-4-7 24801 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH1622  Thysanocarpus curvipes John Hunter Thomas 1991-4-6 24974 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  UC729635  Thysanocarpus curvipes Carl B. Wolf 1929-5-17 3716 San Mateo on Alpine Road 1 mi w Skyline Blvd 304 Comment
  CAS-BOT-BC81494  Torreya californica W. R. D. 1895-3-26 s.n. San Mateo La Honda Comment
  CAS-BOT-BC81499  Torreya californica Ira L. Wiggins 1945-5-5 11161 San Mateo along La Honda Creek about 1 mile above La Honda 152 Comment
  JROH4758  Toxicoscordion fremontii John H. Thomas 1973-4-14 16553 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD139831  Toxicoscordion fremontii Ogden C. Riddle 1941-4-6 67 San Mateo Finney Ridge, near Half Moon Bay. 243 Comment
  CHSC57068  Tragopogon porrifolius Steven Triano 1988-5-24 190 San Mateo On the sw corner of the jct. of Portola Road and Old La Honda Road, ca 3.2 mi s of Woodside. 115 Comment
  CDA34451  Trientalis latifolia M. Beyers, Z. Bakman, L. Feely, & D. Sozanni 2011-4-4 870 San Mateo Pacifica: San Pedro Valley County Park, along Brooks Creek Trail. 148 Comment
  JROH3397  Trientalis latifolia John Hunter Thomas 1985-4-22 23542 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA460866  Trientalis latifolia E. S. Spalding 1924-6-28 s.n. San Mateo San Mateo, La Honda Comment
  RSA18333  Trientalis latifolia Carl B. Wolf 1929-5-6 3702 San Mateo Near E base La Honda Grade, Santa Cruz Mts. Comment
  POM278023  Trifolium albopurpureum Lyman D. Benson 1935-5-5 6527 San Mateo Lake Searsville. 152 Comment
  UCR66503  Trifolium albopurpureum L. S. Rose 1933-5-17 33172 San Mateo Redwood City 6 Comment
  UC1129949  Trifolium albopurpureum var. albopurpureum H. S. Yates 1935-5-8 5206 San Mateo 2 mi n Langley Hill 579 Comment
  UC725851  Trifolium albopurpureum var. albopurpureum A. A. Heller 1907-5-23 8554 San Mateo back of San Mateo (on Half Moon Bay Rd) Comment
  POM126281  Trifolium amoenum R. L. Pendleton, A. A. Heller 1907-4-20 621 San Mateo Colma Comment
  JROH2239  Trifolium barbigerum John H. Thomas 1973-4-14 16566 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM88149  Trifolium barbigerum L. R. Abrams 1904-5-5 s.n. San Mateo Jasper Ridge near Stanford University. Comment
  UC203043  Trifolium bifidum var. bifidum A. D. E. Elmer May, 1903 4714 San Mateo Portola Comment
  UC203053  Trifolium bifidum var. bifidum A. D. E. Elmer April, 1903 4798 San Mateo Portola Comment
  SBBG33500  Trifolium ciliolatum A. D. E. Elmer -May-1903 San Mateo Portola Comment
  UC16447  Trifolium ciliolatum Alice Eastwood April 1896 San Mateo Crystal Springs Comment
  UC16452  Trifolium ciliolatum J. Burtt Davy 1895-4-20 1086 San Mateo San Mateo Creek Comment
  RSA120981  Trifolium ciliolatum W. R. Dudley 1904-4-23 s.n. San Mateo Lower part Goat Ranch Road. Comment
  JROH2259  Trifolium depauperatum var. amplectens John H. Thomas 1974-4-19 17160 San Mateo Jasper Ridge Biological Preserve, Stanford University; near area H Comment
  JROH2260  Trifolium depauperatum var. amplectens John H. Thomas 1974-4-25 17205 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge Comment
  JROH2266  Trifolium depauperatum var. truncatum John H. Thomas 1956-4-7 5612 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2229  Trifolium dichotomum John H. Thomas 1957-4-16 6655 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent slopes Comment
  JROH2288  Trifolium fucatum John H. Thomas 1964-4-19 10321 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2291  Trifolium fucatum John H. Thomas 1974-4-25 17204 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge Comment
  JROH2294  Trifolium fucatum John Hunter Thomas 1978-4-22 19103 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2307  Trifolium fucatum John Hunter Thomas 1990-4-14 24807 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSC005240  Trifolium fucatum var. fucatum Randall Morgan 1995-6-6 2723 San Mateo Pescadero State Beach, Highway 1 opposite Pescadero Road Comment
  JEPS127823  Trifolium gracilentum Adam C. Schneider with C. Matt Guilliams 2013-4-7 80 San Mateo Comment
  RSA120974  Trifolium grayi W. R. Dudley 1896-4-17 s.n. San Mateo Pebble Beach Pasture. Pescadero. Comment
  JROH2325  Trifolium hirtum John Hunter Thomas 1985-5-2 23578 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2319  Trifolium hirtum John Hunter Thomas 1981-5-14 20576 San Mateo Jasper Ridge Biological Preserve, Stanford University; along dirt road near main entrance Comment
  JROH2332  Trifolium hirtum John Hunter Thomas 1989-4-20 24644 San Mateo Jasper Ridge Biological Preserve, Stanford University; new bridge below San Francisquito Creek below dam Comment
  UCD111197  Trifolium hirtum John Thomas Howell 1966-5-8 41530 San Mateo At junction of Millbrae Ave. and Bayshore Freeway, Millbrae. Comment
  UC575704  Trifolium microcephalum Lewis S. Rose 1935-5-1 35139 San Mateo Belmont Comment
  POM277915  Trifolium microcephalum Lyman D. Benson 1930-5-1 2050 San Mateo Stanford University. Mt. Range: San Lorenzo. 122 Comment
  SEINET12157236  Trifolium microdon Unknown 1932-1 9121 San Mateo Bluffs Half Moon Bay Comment
  UCD109275  Trifolium oliganthum R. Tofsrud 1952-1 2 San Mateo Near Foster. Comment
  JROH2355  Trifolium subterraneum John Hunter Thomas 1985-5-2 23579 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2367  Trifolium subterraneum John Hunter Thomas 1990-4-7 24802 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH2381  Trifolium variegatum John H. Thomas 1971-4-10 15762 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2384  Trifolium variegatum John H. Thomas 1974-4-25 17203 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge Comment
  SEINET12156854  Trifolium variegatum L. S. Rose 1937-1 37251 San Mateo Burlingame 91 Comment
  JROH2398  Trifolium willdenovii John H. Thomas 1967-5-10 12844 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC137717  Trifolium willdenovii C. F. B. 1903-4-8 1923 San Mateo San Andreas Lake Comment
  POM126702  Trifolium willdenovii R. L. Pendleton 1907-4-20 609 San Mateo Lake Merced. 30 Comment
  UC204176  Trifolium wormskioldii A. D. E. Elmer May 1903 4644 San Mateo Lake San Andreas Comment
  UCD164094  Trifolium wormskioldii Peter Rubtzoff 1978-5-5 9166 San Mateo San Bruno Mountains. 'Saddle' area on N side of Guadalupe Canyon Parkway west of Radio Road junction, upper part of East Fork Colma Creek Canyon. Comment
  JROH4728  Trillium chloropetalum John H. Thomas 1976-4-2 18075 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4733  Trillium chloropetalum John Hunter Thomas 1981-2-14 20225 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam area, redwood area Comment
  JROH4723  Trillium chloropetalum John H. Thomas 1969-4-12 14892 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC521071  Trillium chloropetalum var. giganteum 1922-3-27 s.n. San Mateo Pescadero Creek Comment
  CAS-BOT-BC521073  Trillium chloropetalum var. giganteum J. H. Thomas 1949-3-29 s.n. San Mateo King's Mountain Comment
  SEINET12044498  Trillium chloropetalum var. giganteum W. R. Dudley 1900-1 s.n. San Mateo S side Montana Mts, Santa Cruz Peninsula Comment
  RSA134119  Trillium ovatum John H. Thomas 1954-4-3 3822 San Mateo Along San Gregorio Creek about 1.5 miles west of La Honda. 107 Comment
  UC672064  Trillium ovatum Herbert L. Mason 1927-4-23 3670 San Mateo La Honda Comment
  CAS-BOT-BC133428  Trillium ovatum W. R. Dudley 1896-3-26 s.n. San Mateo Purisima Creek above King's Comment
  SEINET5577548  Triphysaria eriantha H. S. Gentry 1931-1 73 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  CAS-BOT-BC238559  Triphysaria floribunda John Thomas Howell 1933-5-26 11346 San Mateo Crystal Springs Lake Comment
  JEPS47716  Triphysaria floribunda Walter Knight and Irja Knight 1965-4-24 1054 San Mateo eastern end San Bruno Mountain; Point San Bruno, eastern end of San Bruno Mountain Comment
  JEPS3988  Triphysaria pusilla Dr. L. M. Newlon 1919-4-14 4 San Mateo Moss Beach 22 Comment
  JROH5612  Triphysaria pusilla John Rawlings 2014-4-11 1215 San Mateo Jasper Ridge Biological Preserve, Stanford University; in road G immediately north of its intersection with Rd. J. 105 Comment
  JEPS40978  Triphysaria pusilla Lewis S. Rose 1965-3-25 65011 San Mateo n end San Bruno Mts.; n end San Bruno Mts. 121 Comment
  JROH5466  Trisetum canescens John H. Thomas 1967-5-12 12869 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC193500  Trisetum cernuum W. R. Dudley 1910-5-26 s.n. San Mateo Coal Mine Ridge, near Black Mt. - Santa Cruz Mountain Peninsula Comment
  SEINET182864 Image available Triteleia hyacinthina John Campbell 1925-4-12 San Mateo Burlingame Comment
  UCSB811  Triteleia hyacinthina Haller, John 1950-4-26 San Mateo 2 miles northwest of Stanford University, along road to woodside Comment
  SEINET12044735  Triteleia ixioides P. R. Hichborn 1921-1 231 San Mateo Santa Cruz Mountain peninsula Comment
  CAS-BOT-BC523096  Triteleia ixioides subsp. ixioides Fred Hemphill 1973-5-6 783 San Mateo San Carlos, area north of Malabar Road and Melendy Drive 207 Comment
  CAS-BOT-BC526102  Triteleia ixioides subsp. ixioides Josephine D. Randall 1907-6-8 233 San Mateo Santa Cruz Peninsula, Portola Valley Comment
  CAS-BOT-BC526104  Triteleia ixioides subsp. ixioides Carl B. Wolf 1929-5-24 3724 San Mateo 1/4 mile north of base of La Honda Grade on road to Woodside 121 Comment
  JROH4743  Triteleia laxa John H. Thomas 1962-5-31 9892 San Mateo Jasper Ridge Biological Preserve, Stanford University. Oak woodland near Westridge end of ridge. Comment
  JROH4753  Triteleia laxa John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD39088  Triteleia laxa Janet Turner 1933-4-18 3688 San Mateo Emerald Lake. Comment
  SEINET7097931  Triteleia laxa 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
  CAS-BOT-BC526369  Triteleia laxa Elizabeth McClintock; Walter Knight; Irja Knight; Baki Kasapligil 1967-7-18 s.n. San Mateo Colma Canyon near old quarry, San Bruno Mountain Comment
  CAS-BOT-BC526789  Triteleia laxa D. D. Davis 1903-5-1 2 San Mateo near [?]avery place Comment
  POM276973  Triteleia laxa Lyman Benson 1930-4-17 2070 San Mateo Stanford University 91 Comment
  JROH1625  Tropidocarpum gracile H. J. Dengler 1972-4-23 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; north bend of San Francisquito Creek Comment
  CAS-BOT-BC74058  Turritis glabra Elizabeth McClintock; David Schooly; Kim Marcus 1975-4-13 s.n. San Mateo San Bruno Mountain. Above Hillside Boulevard. South San Francisco. 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
  UC1176859  Typha domingensis Peter Rubtzoff 1957-11-20 3581 San Mateo 0.2 mi n San Gregorio road junction (ca 60 ft e of the road); ditch near coastal road Comment
  CAS-BOT-BC213099  Ulex europaeus Roxana S. Ferris 1921-3-21 2119 San Mateo In ravine at edge of ocean; New Year's Point Comment
  JEPS121560  Umbellularia californica Adam C. Schneider with C. Matt Guilliams 2013-3-9 39 San Mateo Crystal Springs Reservoir Comment
  JROH140  Umbellularia californica John Hunter Thomas 1981-2-14 20216 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC36687  Uropappus lindleyi Alice Eastwood Apr 1896 San Mateo Crystal Springs Comment
  SEINET12036188  Urtica urens Unknown 1932-1 9160 San Mateo San Madero Creek Comment
  POM131827  Vaccinium ovatum Edward L. Greene 1902-1-15 242 San Mateo West side King's Mountain. Comment
  UC634722  Vaccinium ovatum Herbert L. Mason 1927-4-23 3671 San Mateo La Honda Comment
  CAS-BOT-BC76141  Vancouveria planipetala J. H. Thomas 1954-4-15 3907 San Mateo About 1.5 mile southwest of Searsville Lake. 228 Comment
  CAS-BOT-BC76145  Vancouveria planipetala W. R. Dudley 1895-6-6 s.n. San Mateo Santa Cruz Peninsula. By road this side of Iverson's near Peter's Creek. Comment
  JROH4264  Verbena lasiostachys var. lasiostachys John Hunter Thomas 1977-6-16 18745 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA187259  Veronica americana James I. McMurphy 1902-3-22 s.n. San Mateo Portola. Comment
  RSA187258  Veronica persica Mary Helen Kenson 1956-4-21 133 San Mateo At 347 Alberta Way, Hillsborough, 1 mile from Skyline Blvd. Comment
  UC16934  Vicia americana var. americana J. Burtt Davy Jun 21 1893-Jun 23 1893 1160 San Mateo Pilarcitos Lake and Pilarcitos Canyon; Pilarcitos Lake, Pilarcitos Canyon Comment
  SEINET12157777  Vicia americana var. villosa M. T. Doutt 1931-1 183 San Mateo Pigeon Pt Comment
  SBBG30068  Vicia benghalensis J. T. Howell 1938-6-4 13886 San Mateo Burlingame Comment
  CDA33997  Vicia gigantea D. G. Kelch 2011-3-13 11 .054 San Mateo Near Half Moon Bay along Capistrano Creek. Comment
  SJSU1013  Vicia gigantea J. E. Hagerty 1950-5-20 San Mateo Pescadero Beach Comment
  UCR130219  Vicia gigantea George K. Helmkamp, E. A. Helmkamp 1999-6-28 4999 San Mateo Pescadero Creek Watershed, Bean Hollow Road 0.3 mi south of Pescadero Road (SW of Pescadero). Slopes above Butano Creek 61 Comment
  UC16992  Vicia hassei J. Burtt Davy 1895-4-20 1076 San Mateo San Mateo Creek 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
  JROH2436  Vicia sativa subsp. nigra John Hunter Thomas 1981-4-5 20267 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2446  Vicia sativa subsp. sativa John Hunter Thomas 1980-4-10 19869 San Mateo Jasper Ridge Biological Preserve, Stanford University; by dam Comment
  JROH2450  Vicia sativa subsp. sativa John Hunter Thomas 1983-4-3 21311 San Mateo Jasper Ridge Biological Preserve, Stanford University; old beach area Comment
  CAS-BOT-BC264051  Viola adunca Roxana S. Ferris 1920-3-8 1767 San Mateo Montara Mountains, vicinity of South Peak 518 Comment
  RSA130984  Viola glabella M. N. paulson 1915-4-10 s.n. San Mateo Kings Mountain. Comment
  CAS-BOT-BC536569  Viola glabella Herbert L. Mason 1927-4-23 3672 San Mateo La Honda Comment
  CAS-BOT-BC536570  Viola glabella E. A. McGregor 1908-3-28 s.n. San Mateo Kings Mt. Comment
  CAS-BOT-BC536572  Viola glabella Mrs. E. C. Sutliffe 1921-4-3 s.n. San Mateo