Search Results — 2000 specimen records retrieved (1339 records with coordinates)
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Results for search: County=SAN MATEO; Source=All;   

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

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CHSC22697  Abronia latifolia Robert A. Schlising; Glenn Keator 1962-2-3 2043 San Mateo Sand dunes along Hwy 1, 3.9 mi N of Jct with Bonnie Doon Road. Comment
  CAS-BOT-BC383897  Abronia latifolia W. R. Dudley 1891-7-5 s.n. San Mateo Santa Cruz Mountain Peninsula. Pescadero Comment
  SEINET11941811  Abronia latifolia Unknown 1932-1 9119 San Mateo Half Moon Bay Comment
  UCSC007714  Abronia latifolia Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  JROH1982  Acacia melanoxylon Toni Corelli 2005-8-3 299 a San Mateo Jasper Ridge Biological Preserve, Stanford University. South of Road B, along San Francisquito Creek near Dennis Martin site 71 Comment
  CAS-BOT-BC451135  Acaena pinnatifida var. californica A. D. E. Elmer 1903-4-1 4823 San Mateo San Bruno Hills Comment
  SD27820  Acaena pinnatifida var. californica Carl B. Wolf 1929-5-25 3732 San Mateo Pebble Beach, south of Pescadero Comment
  CAS-BOT-BC451130  Acaena pinnatifida var. californica Elizabeth McClintock; Carlyn Halde 1967-5-14 s.n. San Mateo East facing slope below parking lot; San Bruno Mountains Comment
  CAS-BOT-BC219604  Acanthomintha duttonii Harry A. Dutton; Miss. H. A. Walker 1915-5-26 3819 San Mateo Near the Menlo Golf Club Comment
  CAS-BOT-BC219608  Acanthomintha duttonii L. R. Abrams 1920-6-1 7500 San Mateo Santa Cruz Mountain Peninsula. Back of Redwood City Comment
  JEPS81238  Acanthomintha duttonii Susan C. Sommers 1982-5-20 San Mateo Edgewood Park Comment
  POM63305  Acanthomintha obovata subsp. duttonii A. D. E. Elmer 1903-05 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-BC333288  Acer macrophyllum W. R. Dudley 1906-6-14 s.n. San Mateo Santa Cruz Mountain Peninsula. San Francisquito Creek, near Cedro Cottage, Stanford Univ. Comment
  JROH159  Acer macrophyllum John H. Thomas 1975-6-5 17948 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below Searsville Dam 91 Comment
  SEINET4068107 Image available Acer macrophyllum D. Demaree 1932-1 8984 San Mateo Near Isov. Rolph Estates. P.O. Palo Alto. Comment
  UCSB11438  Acer macrophyllum Olson, Jim 1962-4-15 San Mateo 1 mile east of Portola State Park on Portola State Park Road 243 Comment
  JROH167  Acer negundo John H. Thomas 1968-3-17 14175 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake 106 Comment
  UCD117104  Acer negundo R. E. Dengler 1960-4-20 17 San Mateo near Corte de Madera Creek, 0.5 mile from its drainage into Searseville Lake, Jasper Ridge, Stanford Biological Reserve. 375 Comment
  CAS-BOT-BC336921  Acer negundo var. californicum Carl B. Wolf 1930-11-5 1809 San Mateo 4 miles west of La Honda, Santa Cruz Mtns. 91 Comment
  CAS-BOT-BC21552  Achillea millefolium John H. Thomas 1955-4-6 4835 San Mateo San Bruno Mountain just north of South San Francisco 91 Comment
  CAS-BOT-BC21591  Achillea millefolium W. E. Lawrence; D. D. Keck 1933-5-11 L 5019 San Mateo Half Moon Bay Comment
  CAS-BOT-BC28767  Achillea millefolium H. M. Hall 1923-10-26 847 -C San Mateo Collected live in Montara, planted in Stanford Gardens and later vouchered from there. 0 Comment
  UCSC004912  Achillea millefolium Monica Larenas 1985-6-1 16 San Mateo Hwy 92, summit near intersection with Skyline Blvd Comment
  JROH463  Achyrachaena mollis John H. Thomas 1971-4-10 15754 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC29100  Achyrachaena mollis David D. Keck 1932-5-6 1484 San Mateo Hills just west of Millbrae Highlands 120 Comment
  JROH2060  Acmispon americanus var. americanus John Hunter Thomas 1977-6-16 18755 San Mateo Jasper Ridge Biological Preserve, Stanford University; near old racing oval Comment
  UCD103906  Acmispon americanus var. americanus Lewis S. Rose 1964-9-5 64071 San Mateo Emerald Lake, w of Redwood City. 243 Comment
  SEINET957844  Acmispon brachycarpus A. D. E. Elmer 1903-1 3698 San Mateo Leland Stanford universoty. Belmont. Comment
  JROH2067  Acmispon glaber var. glaber W. R. Dudley 1893-7-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lake Comment
  SJSU16007  Acmispon parviflorus Toni Corelli, John Rawlings 2016-5-27 1849 San Mateo Bean Hollow bluff trail, west of Hwy 1 south of Pescadero 8 Comment
  JROH2111  Acmispon strigosus John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2095  Acmispon wrangelianus John H. Thomas 1967-5-10 12848 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC29294  Adenocaulon bicolor George Oberlander 1949-8-20 275 San Mateo Cahill Ridge Comment
  CAS-BOT-BC139951  Adenostoma fasciculatum Fred Hemphill 1973-4-15 660 San Mateo San Carlos, area north of Malabar Rd. and Melendy Dr. 207 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-BC139956  Adenostoma fasciculatum David D. Keck 1932-5-25 1781 San Mateo Hills two miles west of Belmont Comment
  CAS-BOT-BC139999  Adenostoma fasciculatum Fred Hemphill 1973-5-14 842 San Mateo San Carlos, area north of Malabar Rd. and Melendy Dr. 207 Comment
  UC662651  Adenostoma fasciculatum L. S. Rose 1941-6-12 41270 San Mateo hills w. Redwood City (Emerald Lake); Emerald Lake 120 Comment
  JROH3579  Adenostoma fasciculatum var. fasciculatum W. R. Dudley 1895-6-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Top of Ridge near Searsville Dam Comment
  JROH3584  Adenostoma fasciculatum var. fasciculatum Richard L. Garber 1971-7-13 40 San Mateo Jasper Ridge Biological Preserve, Stanford University 165 Comment
  JROH3588  Adenostoma fasciculatum var. fasciculatum John H. Thomas 1975-6-5 17939 San Mateo Jasper Ridge Biological Preserve, Stanford University. Chaparral near shack 161 Comment
  JROH3589  Adenostoma fasciculatum var. fasciculatum John H. Thomas 1976-5-26 18150 San Mateo Jasper Ridge Biological Preserve, Stanford University 146 Comment
  CAS-BOT-BC65669  Adiantum jordanii George Oberlander 1950-3-11 512 San Mateo Pilarcitos Canyon Comment
  SBBG51161  Adiantum jordanii J. Doty 1969-3-27 610 San Mateo S side of St Hwy 84, ca. 500 ft W of Bridge no 35-165, ca. 6 mi E of St Hwy 1 Comment
  JROH2709  Aesculus californica John H. Thomas 1974-5-29 17407 San Mateo Jasper Ridge Biological Preserve, Stanford University 92 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
  CAS-BOT-BC29526  Agoseris apargioides W. R. Dudley 1896-11-15 s.n. San Mateo Near shore, Spanishtown Comment
  CAS-BOT-BC23022  Agoseris grandiflora var. grandiflora Walter Knight; Irja Knight 1965-5-15 s.n. San Mateo Pig Ranch Ravine Comment
  CAS-BOT-BC23025  Agoseris grandiflora var. grandiflora George Oberlander 1949-7-30 333 San Mateo Grassland near San Andreas Lake Comment
  JROH492  Agoseris heterophylla John Hunter Thomas 1978-4-20 19074 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC15228  Agoseris hirsuta W. R. Dudley 1899-12-3 s.n. San Mateo Top of range below Goat Ranch Road near Corte de Madera Creek Comment
  CAS-BOT-BC15232  Agoseris hirsuta W. R. Dudley 1893-5-1 s.n. San Mateo North of San Bruno Comment
  CAS-BOT-BC15239  Agoseris hirsuta Josephine D. Randall 1907-11-9 s.n. San Mateo Alpine road to Black Mountain Comment
  UCSC008504  Agrostis Randall Morgan 2013-5-24 5527 San Mateo Bean Hollow State Beach, on side of trial, a bit beyond #5526 and well beyond wooden bridge Comment
  JROH4779  Agrostis capillaris John Rawlings 2009-6-17 1045 San Mateo Jasper Ridge Biological Preserve, Stanford University; seven yards from paved road in middle of the blocked-off dirt path leading to Causeway Bridge 105 Comment
  SJSU15843  Agrostis densiflora John Rawlings, Toni Corelli 2014-8-13 1205 San Mateo Coastal bluff just west of Hwy 1, north of Pomponio State Beach 36 Comment
  JROH4784  Agrostis exarata W. Lennihan 1990-5-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Mapache trail, 100 yards south of Trail 10, right side of trail. 112 Comment
  JROH4788  Agrostis exarata John Rawlings 2010-6-12 0988 San Mateo Jasper Ridge Biological Preserve, Stanford University; adjacent to trail just east of the first redwood grove on Trail 1 118 Comment
  SACT000091  Agrostis exarata S. Smith, Malcolm Nobs 1949-8-25 San Mateo Comment
  UCD52545  Agrostis exarata Malcolm A. Nobs; S. Galen Smith Date Unknown 1562 San Mateo at Sharp Park. Comment
  SEINET11673837  Agrostis pallens H. E. Weiser 1932-1 s.n. San Mateo Black Mtn Road, Hillsborough Hills, near Burlingame Comment
  SEINET7594107 Image available Agrostis pallens Henry E. Meser 1932-1 s. n. San Mateo Black Mountain Road, Hillborough Hills near Burlingame Comment
  JROH4809  Agrostis stolonifera John Rawlings 2009-7-23 1080 A San Mateo Jasper Ridge Biological Preserve, Stanford University. Weedy bed of San Francisquito Creek near Dennis Martin site marker. 71 Comment
  JROH4810  Agrostis stolonifera John Rawlings 2009-7-23 1080 B San Mateo Jasper Ridge Biological Preserve, Stanford University. Weedy bed of San Francisquito Creek near Dennis Martin site marker. 71 Comment
  JROH4162  Ailanthus altissima John Hunter Thomas 1992-5-26 25353 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along SLAC corridor 82 Comment
  JROH4824  Aira caryophyllea John H. Thomas 1966-4-22 11570 San Mateo Jasper Ridge Biological Preserve, Stanford University 170 Comment
  JROH4828  Aira caryophyllea John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4831  Aira caryophyllea John Hunter Thomas 1985-5-22 23681 San Mateo Jasper Ridge Biological Preserve, Stanford University 91 Comment
  JROH5641  Aira caryophyllea John Rawlings 2014-6-2 1253 San Mateo Jasper Ridge Biological Preserve, Stanford University; Red Hot Poker Meadow north of Bear Creek and ~ 50 meters east of the Sand Hill Rd. fenceline 102 Comment
  CAS-BOT-BC138231  Aira caryophyllea var. caryophyllea Walter Knight; Irja Knight 1965-5-9 s.n. San Mateo San Bruno Mountain. Devil's Arroyo. Comment
  CAS-BOT-BC138232  Aira caryophyllea var. caryophyllea A. D. E. Elmer 1903-5-1 4705 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC138236  Aira caryophyllea var. caryophyllea Phillip C. Wheeler 1965-5-17 s.n. San Mateo San Bruno Mountain. In Crocker Hills near Cow Palace. Comment
  CAS-BOT-BC138240  Aira caryophyllea var. caryophyllea Margaret A. Barry 1937-5-15 105 San Mateo Coal Mine Ridge. Comment
  CAS-BOT-BC138245  Aira caryophyllea var. caryophyllea W. R. Dudley 1899-5-14 s.n. San Mateo Santa Cruz Mountain Peninsula. Top of Sneath Ranch Hills. Comment
  CAS-BOT-BC138247  Aira caryophyllea var. caryophyllea Le Roy Abrams 1902-5-4 2405 San Mateo Woodside. Comment
  JROH4540  Allium amplectens D. E. Breedlove 1971-5-31 19384 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  POM169881  Allium falcifolium A. D. E. Elmer 1903-06 4831 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC469037  Allium falcifolium A. D. E. Elmer 1903-4-1 4831 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC471097  Allium lacunosum var. lacunosum H. L. Dale 1920-6-1 s.n. San Mateo Near Menlo Park Comment
  POM196559  Allium lacunosum var. lacunosum H. L. Mason 1921-5-13 s.n. San Mateo Jasper Ridge near Sand Hill Caves Comment
  CAS-BOT-BC475496  Allium triquetrum P. C. Wheeler 1966-3-27 s.n. San Mateo Crocker Industrial Park, San Bruno Mountain Comment
  CAS-BOT-BC474300  Allium unifolium Elizabeth McClintock; Philip Wheeler 1967-6-11 s.n. San Mateo North facing slope south of new Guadalupe Parkway to west of where it meets Radio Road Comment
  CAS-BOT-BC474305  Allium unifolium J. H. Thomas 1949-6-4 570 San Mateo Along the coast, 1.4 miles south of road to Pescadero Comment
  SEINET12044628  Allium unifolium R. S. Ferris 1921-1 2183 San Mateo New Year's Pt Comment
  CAS-BOT-BC169339  Alnus rubra J. W. Gillespie 1925-4-18 s.n. San Mateo Ano [Ano] Nuevo Pt. Comment
  CAS-BOT-BC169340  Alnus rubra L. R. Abrams 1907-8-1 s.n. San Mateo near Pescadero on road to Half Moon Bay. Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC169345  Alnus rubra W. R. Dudley 1894-3-26 s.n. San Mateo Along San Gregorio Creek below town. Santa Cruz Penisula Comment
  UC188946  Alopecurus saccatus Michener Sept 1891 124 San Mateo San Bruno Rd. Comment
  SJSU15844  Amaranthus californicus John Rawlings, Toni Corelli 2014-10-5 1268 San Mateo Santa Cruz mountains west of Skyline Blvd. USGS US Topo 7.5-minute map for La Honda; west of Windy Hill Open Space Preserve, Portola Valley 438 Comment
  UC135837  Amaranthus californicus C. F. Baker 1902-10-20 1855 San Mateo Searsville Comment
  POM192784  Amaranthus deflexus W. R. Dudley 1895-9-21 s.n. San Mateo By R.R. back of Menlo Park Station Comment
  RSA121069A  Amaranthus deflexus J. T. Howell 1956-6-20 31631 San Mateo Along El Camino Real, San Carlos Comment
  JROH178  Amaranthus retroflexus John H. Thomas 1974-10-29 17651 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA123305  Ambrosia chamissonis N. K. Carlson 1935-7-5 120 San Mateo [Unspecified] 0 Comment
  CAS-BOT-BC55527  Ambrosia psilostachya W. R. Dudley 1902-9-21 s.n. San Mateo On causeway over Crystal Spring Reservoir Comment
  CAS-BOT-BC55575  Ambrosia psilostachya Elizabeth McClintock; Paul Reeberg 1988-10-11 s.n. San Mateo San Bruno Mountains, north of Kennedy School 198 Comment
  CAS-BOT-BC136828  Amelanchier utahensis A. D. E. Elmer 1903-5-1 4659 San Mateo [Slates] Slate Creek Comment
  CAS-BOT-BC136836  Amelanchier utahensis L. R. Abrams 1909-4-27 s.n. San Mateo San Mateo [Canon] Canyon, between Pulpit Rock and the forks of the Road Comment
  RSA385132  Ammophila arenaria Edith A. Purer 1933-7-27 18181 San Mateo 2 mi. S of Pigeon Pt. Comment
  CAS-BOT-BC214044  Amsinckia Mrs. E. C. Sutliffe 1933-5-17 s.n. San Mateo Skyline Blvd. near Alpine Creek Road Comment
  CAS-BOT-BC214048  Amsinckia Lewis S. Rose 1933-5-17 33174 A San Mateo Redwood City Comment
  JEPS26834  Amsinckia intermedia Rimo Bacigalupi with H. G. Baker and L. R. Heckard 1961-5-14 7697 San Mateo 3/4 mi below and se of Stone Dam Resevoir (in canyon of Pilarcitos Creek, w base of Cahill Ridge); Pilarcitos Creek 152 Comment
  JEPS90282  Amsinckia lunaris Dean W. Taylor 1994-5-10 14276 B San Mateo along Crystal Springs Road 0.3 mi e of junction of Tartan Trail (Santa Cruz Mountains, San Mateo Creek drainage); Santa Cruz Mountains, San Mateo Creek drainage 67 Comment
  UCD117431  Anagallis arvensis Richard W. Cleveland 1951-4-28 37 San Mateo 2.2 miles south of Pescadero. Comment
  UCD15059  Anagallis arvensis A. Bennett 1977-5-29 40 San Mateo California, San Mateo Co.; 0.7 miles north of Hayne Road intersection along Highway 35 (Burlingane); 60 Comment
  UC1125509  Anaphalis margaritacea G. E. Sindel 1935-7-30 315 San Mateo 3/4 mi n of Pomponio Creek; Santa Cruz Quad. 259 Comment
  CDA10065  Anaphalis margaritacea A. C. Browne 1950-8-12 San Mateo Alpine Creek. 0 Comment
  CAS-BOT-BC391914  Anemone grayi J. H. Thomas 1949-4-14 274 San Mateo Kings Mountain Comment
  CAS-BOT-BC391923  Anemone grayi Mrs. H. M. Mitchell 1932-3-31 s.n. San Mateo Skyline Boulevard Comment
  SEINET12087660  Anemone grayi W. R. Dudley 1894-1 s.n. San Mateo beyond Kings Mt. House Comment
  UC118834  Anemone oregana C. F. Baker 1902-3-18 323 San Mateo King's Mtn Comment
  CAS-BOT-BC273173  Anisocarpus madioides Ira L. Wiggins 1925-4-1 1663 San Mateo On Kings Mountain Road three fourths of a mile above Woodside Comment
  UC830895  Anisocarpus madioides Lewis S. Rose 1941-7-2 41287 San Mateo Kings Mountain 548 Comment
  HSC24049  Anisocarpus madioides Mary Katherine Wicksten 1971-6-16 36 San Mateo Bank at Huddart Park, by Werder Flat Comment
  CAS-BOT-BC344841  Anthemis cotula Peter Rubtzoff s.n. San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. Comment
  JROH500  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
  SD5799  Anthemis cotula unknown 1925-9-3 San Mateo Burlingame Comment
  JROH5204  Anthoxanthum occidentale Volney Rattan 1867-3-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Redwoods, Searsville Comment
  UCD85351  Anthoxanthum occidentale August L. Hormay 1932-3-6 s.n. San Mateo Blumequist Mill, 8 miles E of Pescadero. Comment
  RSA101012  Anthriscus caucalis G. Oberlander 1950-4-16 735 San Mateo Lower Crystal Springs Lake, San Francisco Watershed Reserve Comment
  JROH3912  Antirrhinum kelloggii Oz Garton 1968-6-10 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC451562  Aponogeton distachyos Peter Rubtzoff 1955-4-2 1767 San Mateo Skyline Blvd. near the junction of Chinese Cemetery Road. Comment
  UCSB18280  Aquilegia eximia Muirhead, M. 1964-4-17 San Mateo Crocker Estate, Hillsborough 60 Comment
  UC465556  Aquilegia formosa Milo S. Baker May, 1904 San Mateo near Burlingame Comment
  UCR122980  Aquilegia formosa George K. Helmkamp, E. A. Helmkamp 2001-6-2 6772 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
  RSA87797  Aquilegia formosa var. truncata L. R. Abrams 1902-4-13 23463 San Mateo Crystal Spring. Comment
  JROH1436  Arabis blepharophylla John Hunter Thomas 1984-4-2 23273 3 G San Mateo Jasper Ridge Biological Preserve, Stanford University. This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SJSU8506  Arabis blepharophylla P. F. Canziani 1979-3-2 San Mateo canyon NW of intersection of Hillside Blvd & Chestnut Ave, San Bruno Mt Comment
  RSA0125507  Arabis blepharophylla Glenn A. Gorelick 1967-2-10 s.n. San Mateo San Bruno Mountains, overlooking Daly City near San Francisco. Comment
  RSA0125533  Arabis blepharophylla D. W. Taylor 1988-3-30 9477 San Mateo San Bruno Mountain, northern slope of southeast ridge of the mountain, near the ridgecrest. Right-of-way of eastern-most set of PGandE high-voltage powerlines crossing the mountain. 237 Comment
  SEINET11989202  Arabis blepharophylla E. McClintock, Knight, W.; Knight, I. 1982-1 4640 San Mateo Kamchatka Point, San Bruno Mountains Comment
  JROH1917  Arbutus menziesii John H. Thomas 1967-4-20 12711 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC24164  Arctostaphylos John H. Thomas 1967-2-9 12401 San Mateo Montara Mountain in Northern part of county. Between Pacifica and Montara. Comment
  CAS-BOT-BC24128  Arctostaphylos andersonii J. H. Thomas 1954-2-13 3686 San Mateo Along Skyline Highway between Kings Mt. Road and La. Honda Road. 609 Comment
  CAS-BOT-BC24170  Arctostaphylos andersonii W. R. Dudley 1905-6-12 s.n. San Mateo Trail below China Pt., Pescadero Creek. Comment
  CAS-BOT-BC24200  Arctostaphylos andersonii W. R. Dudley 1906-5-8 s.n. San Mateo Near Crystal Springs Lake, Santa Cruz mts. Comment
  SBBG25382  Arctostaphylos andersonii R. Gankin 1959-3-22 324 San Mateo King's Mtn Rd, 1.2 mi E of jct with St Hwy 5, ca. 5 mi W of Woodside Comment
  SEINET11988251  Arctostaphylos andersonii Unknown 1959-1 324 San Mateo 1.2 mi from junction of CA 5 on Kings Mt. Road Comment
  CAS-BOT-BC23510  Arctostaphylos crustacea Margaret A. Barry 1938-5-22 s.n. San Mateo Small patch on top of Coal Mine Ridge Comment
  CAS-BOT-BC23517  Arctostaphylos crustacea A. D. E. Elmer 1903-5-1 4558 San Mateo King Mt. Comment
  CAS-BOT-BC23550  Arctostaphylos crustacea Alice Eastwood 1922-5-30 11335 San Mateo Crystal Springs lakes on hills. Comment
  SEINET11977765  Arctostaphylos crustacea J. I. McMurphy 1906-1 7 San Mateo Kings Mt., Santa Cruz Mts., Santa Cruz Peninsula 488 Comment
  SEINET2030220 Image available Arctostaphylos crustacea L. S. Rose 1942-3-30 42007 San Mateo Kings Mountain. Type locality 600 Comment
  JROH1924  Arctostaphylos crustacea subsp. crustacea Richard L. Garber 1971-7-13 43 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1928  Arctostaphylos crustacea subsp. crustacea Josephine D. Randall 1906-1-27 138 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1931  Arctostaphylos crustacea subsp. crustacea John H. Thomas 1970-7-5 15665 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5766  Arctostaphylos crustacea subsp. crustacea John Rawlings 2016-11-14 1952 San Mateo Jasper Ridge Biological Preserve, Stanford University; about 120 yards north of Road F opposite its intersection with Trail 17 to Goya Gate 178 Comment
  RSA681636  Arctostaphylos cruzensis Annuschka Deb 1989-1-20 1 San Mateo Woodside. Comment
Read comments
Mar 21 2015
  CAS-BOT-BC24733  Arctostaphylos glandulosa subsp. glandulosa Walter Knight; Roger Raiche 1982-1-23 4416 San Mateo San Bruno Mtn. Up Buckeye Canyon on Oak Ridge. 91 Comment
  JEPS90925  Arctostaphylos imbricata Dean W. Taylor 1988-3-16 9403 San Mateo summit of San Bruno Mountain, along fire road 120 m e from summit parking lot, Santa Cruz Mountains San Bruno Mountain; Santa Cruz Mountains, San Bruno Mountain 371 Comment
  RSA195588  Arctostaphylos imbricata John H. Thomas 1961-5-7 9319 San Mateo San Bruno Mountain in northern part of county. 305 Comment
  UCR58357  Arctostaphylos imbricata Walter Knight, I. Knight 1980-6-14 3747 San Mateo Original from San Bruno Mt. (grown at Tilden Botanic Garden, Berkeley) Comment
  CAS-BOT-BC40169  Arctostaphylos montaraensis Walter Knight; Irja Knight; James B. Roof; Gregory Whipple; Albert Seneres 1969-9-22 2791 San Mateo .9 from Pilarcitos Dam enroute to Montara Mtt. on San Francisco Water Dept. property. 274 Comment
  SBBG21959  Arctostaphylos montaraensis R. F. Thorne with P. C. Everett 1963-6-9 32224 San Mateo top of San Bruno Mtn, near the TV Tower 335 Comment
  UC21805  Arctostaphylos montaraensis C. T. Blake 1893-5-27 San Mateo Pilarcitos Reservoir Comment
  UCD51760  Arctostaphylos montaraensis Walter Knight; Irja Knight and Elizabeth McClintock Date Unknown 4447 San Mateo Pacifica; San Pedro County Park; about 1/2 dozen plants 1/4 mi. east of parking lot. Comment
  UC202540  Arctostaphylos nummularia W. R. Dudley 1899-1-2 San Mateo on hills between Butano Creek and Little Butano Creek Comment
  RSA1939  Arctostaphylos regismontana C. B. Wolf 1930-11-6 1067 San Mateo 2 mi N of Summit of Kings Mountain, Skyline Blvd. 640 Comment
  RSA636743  Arctostaphylos regismontana Jon E. Keeley, Melanie Baer Keeley 1993-9-8 24638 San Mateo NW side of Montara Mtn. 150 Comment
  RSA636744  Arctostaphylos regismontana Jon E. Keeley, Melanie Baer Keeley 1993-9-8 24631 San Mateo NW side of Montara Mtn. 150 Comment
  CAS-BOT-BC44671  Arctostaphylos sensitiva W. R. Dudley 1899-1-2 s.n. San Mateo On dry hills between Butano Cr. and Little Butano Cr. - Santa Cruz Mountain Peninsula Comment
  JEPS48595  Arctostaphylos tomentosa subsp. crustacea James G. Daly 1934-1 570 San Mateo San Gregorio watershed Santa Cruz Mts. (sw San Mateo Co.) Comment
  RSA155444  Arctostaphylos tomentosa subsp. crustacea L. S. Rose 1961-2-16 61002 San Mateo Hills w. of Belmont. 183 Comment
  RSA636840  Arctostaphylos tomentosa subsp. crustacea Jon E. Keeley, Melanie Baer-Keeley 1993-9-8 24652 San Mateo NW side of Montara Mtn. 150 Comment
  UC1120142  Arctostaphylos tomentosa subsp. crustacea A. E. Wieslander 1929-3-19 46 San Mateo Kings Mt. Rd Santa Cruz Quadrangle, Peters Creek (head of creek) 701 Comment
  POM285159  Arctostaphylos tomentosa subsp. tomentosiformis Lyman Benson 1928-12-15 834 San Mateo La Honda 457 Comment
  UCD51721  Arctostaphylos tomentosa var. crinita Roman Gankin 1959-2-22 325 San Mateo 1.2 miles from junction State Hwy 5 on King's Mt. Road, San Mateo County, California. Comment
  UCD52151  Arctostaphylos uva-ursi Walter and Irja Knight; Robert and Janet Blomquist 1981-7-3 4426 San Mateo Kamchatka Point, San Bruno Mt., San Mateo County, California. Comment
  UCD52042  Arctostaphylos uva-ursi subsp. coactilis Roman Gankin 1959-3-25 328 San Mateo Near ridge of San Bruno Mountain, South San Francisco, San Mateo County, California. 1/4 mi. e. of KRON TV transmitter. Comment
  SEINET11987195  Arctostaphylos uva-ursi var. suborbiculata W. Knight, Knight, I. 1981-1 3917 San Mateo Tilden Botanic Garden, Berkeley, orig. from Kamchatka Point on San Bruno Mt Comment
  SEINET11989283  Arctostaphylos uva-ursi var. suborbiculata W. Knight, Knight, I.; McClintock, E. 1982-1 4444 San Mateo Kamchatka Point, San Bruno Mt Comment
  SEINET8728244 Image available Arenaria douglasii Lewis S. Rose 1937-1 37249 San Mateo Burlingame hills 91 Comment
  CAS-BOT-BC102182  Argyranthemum foeniculaceum Elizabeth McClintock 1988-6-7 s.n. San Mateo San Bruno Comment
  CAS-BOT-BC400410  Aristolochia californica Elizabeth McClintock 1969-3-9 s.n. San Mateo San Bruno Mountain. Edge of southern ravine of Glen Park Canyon, next to fence dividing Crocker property from City of Brisbane. Eastern portion of mountain Comment
  CAS-BOT-BC47695  Armeria maritima subsp. californica Otto M. Sokol 1953-5-9 81 San Mateo Pebble Beach Comment
  CAS-BOT-BC47698  Armeria maritima subsp. californica Cynthia Steele 1948-5-29 115 San Mateo Pescadero Beach Comment
  CAS-BOT-BC47704  Armeria maritima subsp. californica John R. Berth 1963-5-23 40 San Mateo Pigeon Point 3 Comment
  CAS-BOT-BC47706  Armeria maritima subsp. californica J. H. Thomas 1963-8-4 10237 San Mateo Just north of Pigeon Point Light House Comment
  JROH515  Artemisia californica L. R. Abrams 1902-12-23 3098 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA51355  Artemisia californica L. S. Rose 1949-9-11 49179 San Mateo Montara Point. Comment
  CAS-BOT-BC93930  Artemisia douglasiana Phillip C. Wheeler 1965-8-14 s.n. San Mateo San Bruno Mountain, Brisbane Lagoon Comment
  CAS-BOT-BC93937  Artemisia douglasiana Ira L. Wiggins 1975-8-5 22175 San Mateo Bed of San Francisquito Creek, ca 100 m above Pope Street bridge, San Mateao County side of Santa Clara-San Mateo Comment
  RSA116777  Artemisia douglasiana Josephine Randall 1907-6-29 53 San Mateo Santa Cruz Penninsula, Portola road Comment
  SEINET3145785  Artemisia heterophylla L. S. Rose 1938-8-18 38232 San Mateo San Mateo 30 Comment
  CAS-BOT-BC93640  Artemisia pycnocephala W. R. Dudley 1909-10-4 s.n. San Mateo Santa Cruz Mountain Peninsula - sands near Mussel Rock Comment
  POM58697  Aster chilensis Edward L. Greene 1902-9-2 1550 San Mateo Crystal Springs Lake Comment
  UCR254761  Aster chilensis Peter Rubtzoff 1974-12-17 7944 San Mateo San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 213 Comment
  CAS-BOT-BC186770  Astragalus gambelianus Lewis S. Rose 1956-7-2 56113 San Mateo Skyline Blvd., hills w. of San Mateo 182 Comment
  SEINET948343  Astragalus gambelianus Lois E. James 1947-1 1758 San Mateo Hills back of Redwood city Comment
  SD37525  Astragalus nuttallii var. virgatus Edith A. Purer 1933-8-13 5405 San Mateo Small bottom, Santa Clara Valley, near Baden Station. Comment
  CAS-BOT-BC193097  Astragalus pycnostachyus var. pycnostachyus J. W. Congdon 1897-8-11 s.n. San Mateo San Gregorio Comment
  UC13465  Astragalus pycnostachyus var. pycnostachyus J. W. Congdon 1897-8-11 San Mateo San Gregorio <?> Comment
  CAS-BOT-BC167382  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1977-11-24 9144 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  POM143746  Athysanus pusillus C. F. Baker 1902-4-6 456 San Mateo Crystal Springs Lake. Comment
  SJSU16060  Atriplex californica Toni Corelli 2010-4-8 511 San Mateo Ano Nuevo State Park, west end of Franklin Point Trail Comment
  CDA2953  Atriplex hortensis T. C. Fuller 1961-11-1 7188 San Mateo East of Industrial Way at Garden Street, north limits of Redwood City. 0 Comment
  CAS-BOT-BC172666  Atriplex lentiformis C. D. Duncan 1922-9-1 s.n. San Mateo Boncill Estate, Atherton Comment
  JEPS15531  Atriplex leucophylla G. Thomas Robbins 1956-8-18 3739 San Mateo along ocean shore near the mouth Pomponio Creek; near mouth Pomponio Creek 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
  CAS-BOT-BC146081  Avena barbata T. C. Fuller 1971-6-10 19879 San Mateo 1.6 km. east of San Gregorio. Comment
  CAS-BOT-BC146082  Avena barbata T. C. Fuller 1969-6-12 18549 San Mateo Ca. 3 km. northeast of Pescadero. 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-BC145958  Avena fatua J. H. Thomas 1955-4-15 4920 B San Mateo Along Bayshore Highway, east of San Carlos. Comment
  CAS-BOT-BC145960  Avena fatua Elizabeth McClintock; Paul Reeberg 1989-3-19 s.n. San Mateo San Bruno Mountains. Shearwater. 91 Comment
  CAS-BOT-BC145998  Avena fatua Ned Cahill 1974-5-30 324 San Mateo Near the intersection of Canada and Edgewood roads, about 3 miles westward from Redwood City. Comment
  SEINET10528168  Avena occidentalis Unknown Anonymous s.n. San Mateo Dry hill, Millbrae Meadows. Comment
  CAS-BOT-BC344842  Baccharis douglasii Peter Rubtzoff 1976-10-5 8908 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. Comment
  RSA18494  Baccharis douglasii C. B. Wolf 1927-7-14 626 San Mateo 1 mile west of summit of La Honda Grade Comment
  JROH539  Baccharis glutinosa John Hunter Thomas 1981-9-24 20751 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC99503  Baccharis pilularis John H. Thomas 1961-8-27 9706 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC99515  Baccharis pilularis A. D. E. Elmer 1903-2-1 4576 San Mateo Portola Comment
  CAS-BOT-BC99518  Baccharis pilularis H. L. Mason 1922-3-27 s.n. San Mateo near mouth of Arroyo de los Frijoles Comment
  POM222816  Baccharis pilularis S. S. Berry, K. L. Dole 1909-4-3 s.n. San Mateo Bear Creek Canyon Road 427 Comment
  UC87151  Baccharis pilularis C. F. Baker 1902-10-1 1740 San Mateo Pillar Point Pacific Coast Comment
Read comments
Feb 2 2012
  RSA38968  Baccharis pilularis Edith A. Purer 1933-8-4 5409 San Mateo Clay hillside near Baden Station Comment
  JROH551  Baccharis pilularis subsp. consanguinea John H. Thomas 1975-5-2 17849 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC16627  Barbarea orthoceras Fred Hemphill 1973-4-22 736 San Mateo San Carlos. Area north of Malabar Road and Melendy Drive. 207 Comment
  CAS-BOT-BC16630  Barbarea orthoceras John H. Thomas 1965-4-29 10617 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  CAS-BOT-BC16643  Barbarea orthoceras George Oberlander 1949-4-30 94 San Mateo San Francisco Watershed Reserve. North boundary. 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
  JROH1452  Barbarea orthoceras John Hunter Thomas 1988-4-6 24373 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  SD113122  Barbarea orthoceras Darley F. Howe 1967-4-14 4476 San Mateo San Francisco Game Reserve near San Bruno. Comment
  CAS-BOT-BC16637  Barbarea orthoceras Reed Clark Rollins 1941-3-29 2960 San Mateo 4 miles northwest of Palo Alto. Comment
  RSA92820  Barbarea orthoceras P. H. Raven 1951-3-12 2744 San Mateo Summit ridge of the San Bruno Mountains. Comment
  JEPS121453  Bellardia trixago Adam C. Schneider with C. Matt Guilliams 2013-5-17 188 San Mateo Crystal Springs Reservoir, West edge of Pulgas Ridge (near Interstate 280) Comment
  JROH3925  Bellardia trixago John Hunter Thomas 1986-6-7 24083 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR122983  Bellardia trixago George K. Helmkamp, E. A. Helmkamp 2001-6-2 6777 San Mateo San Francisco Bay Region, Purisima Creek Road, east of Half Moon Bay at Purisima Creek, 3.2 miles east of CA Hwy 1 244 Comment
  CAS-BOT-BC100318  Blennosperma nanum var. robustum A. D. E. Elmer 1903-4-1 4521 San Mateo San Bruno Hills Comment
  CAS-BOT-BC280862  Bolboschoenus maritimus subsp. paludosus Elizabeth McClintock; Paul Reeberg 1989-5-2 s.n. San Mateo San Bruno Mountains. PG&E Marsh 4 Comment
  JROH4850  Brachypodium distachyon John Hunter Thomas 1981-5-25 20626 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA36478  Brachypodium sylvaticum Ellen Gartside 2011-9-1 s.n. San Mateo Woodside; base of slope just above Grandview Drive. Comment
  CDA36479  Brachypodium sylvaticum Ellen Gartside 2011-7-14 s.n. San Mateo Woodside; Old La Honda Rd., on hill above water tank. Comment
  UCR162537  Brachypodium sylvaticum John Beall 2003-12-4 s.n. San Mateo Santa Cruz Mtns., Woodside, on Hwy 84 at Grandview Dr., about 1 mile from Skyline Road summit 427 Comment
  UCD170111  Brachypodium sylvaticum R. Breckenridge; K. Filippini 2010-11-22 s.n. San Mateo Found across a number of properties in Woodside. Comment
  JROH1470  Brassica rapa John Hunter Thomas 1989-5-23 24747 San Mateo Jasper Ridge Biological Preserve, Stanford University; near old bridge over two parts of lake Comment
  CAS-BOT-BC36791  Brassica rapa Reed Clark Rollins 1941-2-23 2940 San Mateo 10 miles south of San Francisco. Comment
  CAS-BOT-BC145327  Briza minor Copeland 1903-5-24 3257 San Mateo Above Crystal Springs Lake. Comment
  JROH4882  Briza minor John H. Thomas 1968-4-19 14298 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC484347  Brodiaea elegans subsp. elegans Margaret A. Barry 1960-6-8 162 San Mateo slopes on Coal Mine Ridge Comment
  SEINET10932626  Brodiaea hyacinthina Mcmurphy 1906-5-8 MCMURPHY s.n. 1906 San Mateo Plants of the Santa Cruz Mountain Peninsula. Road from Crystal Springs to Woodside. Comment
  SEINET10534097  Brodiaea laxa Duncan M. Porter 1960-4-22 Porter 665 San Mateo Meadow near crest of north-facing slope above Webb Ranch, Jasper Ridge Biological Preserve, Stanford University. Comment
  CAS-BOT-BC483173  Brodiaea terrestris subsp. terrestris C. F. Baker 1902-4-6 462 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC144143  Bromus Ned Cahill 1974-4-29 189 San Mateo Near the intersection of Canada and Edgewood roads, about 3 miles westward from Redwood City. Comment
  CAS-BOT-BC148981  Bromus carinatus var. carinatus Peter H. Raven 1950-6-3 2253 San Mateo Woods around San Andreas Lake. 121 Comment
  CAS-BOT-BC148982  Bromus carinatus var. carinatus George Oberlander 1950-4-22 753 San Mateo San Francisco Watershed Reserve. San Andreas Valley. Comment
  CAS-BOT-BC148992  Bromus carinatus var. carinatus John H. Thomas 1961-5-14 9374 B San Mateo San Francisco Watershed Reserve. Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. 152 Comment
  CAS-BOT-BC148996  Bromus carinatus var. carinatus W. R. Dudley 1894-7-30 s.n. San Mateo Santa Cruz Mountain Peninsula. Near La Honda. 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
  CAS-BOT-BC210145  Bromus diandrus Peter Rubtzoff 1977-6-21 9056 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. East Fork Colma Creek Canyon area. Comment
  CAS-BOT-BC162409  Bromus laevipes Josephine D. Randall 1907-6-5 155 San Mateo Santa Cruz Peninsula. Portola Valley. Comment
  UCD58971  Bromus madritensis Beecher Crampton 1962-6-11 6485 San Mateo 5 miles west of Belmont, junction Ralston Ave. and Skyline Blvd. Comment
  JROH4948  Bromus madritensis subsp. rubens John Hunter Thomas 1988-6-2 24503 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near old bridge Comment
  JROH4956  Bromus madritensis subsp. rubens John Rawlings 2013-4-16 1134 San Mateo Jasper Ridge Biological Preserve, Stanford University; Escobar Gate fenceline about 50 m east of the gate 156 Comment
  RSA320909  Bromus marginatus Robert A. Norris 1984-3-21 4656 San Mateo Blue Blossom Hill, San Bruno Mts. 366 Comment
  CAS-BOT-BC162228  Bromus maritimus Roxana S. Ferris 1920-4-27 189 San Mateo Santa Cruz Mountain Peninsula. Ano Nuevo Point. 0 Comment
  UCSC007724  Bromus maritimus Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  SEINET3923660  Bromus mollis K. Harper 1984-4-25 84 -6 San Mateo Along crest of Jasper Ridge, Research Preserve, Stanford University.; 0 Comment
  CDA34495  Bromus pseudolaevipes D. G. Kelch, David Gernandt, Steffi Ickert-Bond, Yingli Guo 2011-4-22 11 .174B San Mateo Swanton Rd just S of Ano Nuevo above Weddell Creek. Comment
  JROH4971  Bromus vulgaris John Rawlings 2010-6-16 1060 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 1, 25 yards northwest of first redwood grove under coast live oak. 86 Comment
  UC765079  Cakile edentula R. F. Hoover 1941-2-12 4755 San Mateo Half Moon Bay Comment
  UC1301004  Cakile maritima Helen K. Sharsmith 1963-3-23 5251 San Mateo near Half Moon Bay; San Francisco Bay Region Comment
  UC964761  Cakile maritima Herbert L. Mason 1944-3-17 San Mateo Moss Beach Comment
  CAS-BOT-BC185147  Calamagrostis nutkaensis A. D. E. Elmer 1903-5-1 5040 San Mateo San Pedro. Comment
  UC1131351  Calamagrostis nutkaensis H. S. Yates 1935-5-8 5215 San Mateo 2 mi s Pescadero; Santa Cruz Quadrangle Comment
  JROH5602  Calamagrostis rubescens John Rawlings 2014-3-18 1208 San Mateo Jasper Ridge Biological Preserve, Stanford University; near jct of and between trails 5 and 2. 83 Comment
  JROH3323  Calandrinia ciliata John H. Thomas 1973-3-11 16478 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1634  Callitriche marginata John H. Thomas 1968-3-31 14259 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
  JROH1638  Callitriche marginata D. E. Breedlove 1971-5-3 19323 San Mateo Jasper Ridge Biological Preserve, Stanford University; on bluff above San Francisquito Creek, 500 yards below Searsville Dam Comment
  UCD123519  Callitriche trochlearis W. R. Dudley 1904-4-23 s.n. San Mateo Santa Cruz Mountain Peninsula; Crow foot pond on Alpine Road, opposite the Fitzpatrick Place. Comment
  JEPS61617  Calochortus albus W. L. Jepson 1922-3-19 9533 San Mateo back of Millbrae; Buriburi Ridge Comment
  JROH4594  Calochortus albus L. R. Abrams 1914-5-1 5224 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Reservoir Comment
  JROH4602  Calochortus albus John H. Thomas 1973-5-5 16760 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR121570  Calochortus albus George K. Helmkamp, E. A. Helmkamp 1999-6-28 5000 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-BC492218  Calochortus albus David D. Keck 1932-5-13 1778 San Mateo Along Woodsideon La Honda road, east slope of Santa Cruz Mtns. Comment
  SD39096  Calochortus albus Marie Cummings 1933-5-8 79 San Mateo Steven's Creek. 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
  POM258692  Calochortus luteus Marion Ownbey, Ruth P. Ownbey 1938-7-7 1699 San Mateo Santa Cruz Mountains, above Searsville Lake Comment
  SEINET3885475  Calochortus luteus Lewis S. Rose 1931-5-24 23 San Mateo Redwood City.; 0 Comment
  RSA6293  Calochortus tolmiei D. D. Keck 1932-5-11 1496 San Mateo Above Woodside on La Honda Road, east slope of Santa Cruz Mountains Comment
  SEINET12045035  Calochortus uniflorus D. D. Keck 1932-1 1496 San Mateo above Woodside on La Honda Rd. E slope of Santa Cruz Mts Comment
  CAS-BOT-BC494041  Calochortus venustus Mrs. Alvin Seale 1932-6-5 s.n. San Mateo Hills near Redwood City Comment
  CAS-BOT-BC494042  Calochortus venustus L. R. Abrams 1930-6-1 1499 San Mateo Serpentine back of Redwood City Comment
  JROH563  Calycadenia multiglandulosa John H. Thomas 1968-10-29 14858 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM51530  Calycadenia multiglandulosa subsp. cephalotes C. F. Baker 1901-10-20 53 San Mateo Summit of Coast Range Comment
  RSA132468  Calycadenia multiglandulosa subsp. robusta John H. Thomas 1959-8-22 8077 San Mateo Jasper Ridge, about 5 miles SW of Palo Alto 152 Comment
  CAS-BOT-BC224648  Calystegia purpurata subsp. purpurata J. H. Thomas 1949-6-4 595 San Mateo 1 mile E. of Pescadero Comment
  CAS-BOT-BC224650  Calystegia purpurata subsp. purpurata A. D. E. Elmer 1903-6-1 4299 San Mateo Pescadero Comment
  CAS-BOT-BC224655  Calystegia purpurata subsp. purpurata Theo. C. Zschokke 1903-7-10 s.n. San Mateo Santa Cruz Mountain Peninsula. Goat Ranch Road, Corte de [Corte] Madera Cr. Comment
  CAS-BOT-BC224657  Calystegia purpurata subsp. purpurata W. R. Dudley 1894-4-21 s.n. San Mateo Santa Cruz Peninsula. Near San Mateo Creek road Comment
  CAS-BOT-BC224668  Calystegia purpurata subsp. purpurata Elizabeth McClintock 1965-6-13 s.n. San Mateo San Bruno Mountain. Lower slope on south side above Olivet Cemetery Comment
  CHSC56978  Calystegia soldanella Steven Triano 1988-5-24 191 San Mateo W of Hwy 1 ca 0.2 mi n of Pescadero Road. 9 Comment
  RSA60634  Calystegia soldanella I. L. Wiggins 1950-5-20 12351 San Mateo Pescadero Beach Comment
  CAS-BOT-BC224345  Calystegia subacaulis subsp. subacaulis A. D. E. Elmer 1903-6-1 4826 San Mateo Crystal Springs Lake Comment
  NY679557  Camissonia cheiranthifolia subsp. cheiranthifolia A. D. E. Elmer 03 1903 4942 San Mateo San Pedro. Comment
  RSA449044  Camissonia ovata Glenn A. Gorelick 1967-4-20 s.n. San Mateo Overlooking Daly City, near San Francisco. Comment
  CAS-BOT-BC160330  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Robert Robertson 1954-5-1 130 San Mateo Near San Gregorio Creek 6 Comment
  JROH2995  Camissoniopsis micrantha John H. Thomas 1972-4-9 16065 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET10462891  Campanula prenanthoides LeRoy R. Abrams 1907-8-26 Abrams s.n. San Mateo KINGS MT, MOIST SHADED REDWOODS Comment
  SEINET10463019  Campanula prenanthoides Wolf 1927-7-20 WOLF 646 San Mateo LA HONDA GRADE Comment
  SEINET10463029  Campanula prenanthoides Ira L. Wiggins 1929-7-4 Wiggins 3779 San Mateo 4 MI W OF LA HONDA ON HILL RD TO PESCADERO BEACH, MOIST RAVINE Comment
  SEINET10463046  Campanula prenanthoides Leitholt LEITHOLT s.n. San Mateo Pascadero Comment
  SEINET10939009  Campanula prenanthoides William R. Dudley 1894-7-7 Dudley s.n. San Mateo Bear Gulch Comment
  CAS-BOT-BC37161  Capsella bursa-pastoris David D. Keck 1932-2-16 1378 San Mateo Portola. Comment
  JROH1477  Capsella bursa-pastoris John Hunter Thomas 1984-4-10 23284 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET5542273  Capsella bursa-pastoris H. S. Gentry 1931-1 77 San Mateo 1 mile SE of Holy Cross Cemetery. Comment
  CAS-BOT-BC37664  Cardamine californica Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mountains. Cable Ravine. Comment
  CAS-BOT-BC37666  Cardamine californica L. R. Abrams 1914-3-1 5059 San Mateo Kings Mountain Road. Comment
  CAS-BOT-BC37670  Cardamine californica Reed Clark Rollins 1941-2-22 2937 San Mateo Santa Cruz Mountains. About 8 miles northwest of Palo Alto. 152 Comment
  CAS-BOT-BC37677  Cardamine californica A. D. E. Elmer 1903-4-1 4468 San Mateo Portola. Comment
  UC10443  Cardamine californica var. sinuata J. Burtt Davy 1895-4-20 1063 San Mateo Pilarcitos Creek Comment
  JROH5678  Cardamine hirsuta John Rawlings 2015-3-3 1313 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 8 125 Comment
  JROH1491  Cardamine oligosperma John H. Thomas 1967-3-26 12417 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSB18657  Cardamine oligosperma Schulte, John 1963-4-9 San Mateo Jasper Ridge, 3 miles southwest of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  CAS-BOT-BC37991  Cardamine oligosperma Javier Penalosa 1963-3-9 2686 San Mateo San Bruno Mountain. Ravine 0.5 mile east of 1314 foot summit. 304 Comment
  UC120252  Cardionema ramosissimum T. S. Brandegee Sept. 1901 San Mateo South San Francisco Comment
  CAS-BOT-BC281836  Carduus tenuiflorus John Thomas Howell 1939-6-16 14741 San Mateo Skyline Blvd near Crystal Springs Lake Comment
  CDA6893  Carduus tenuiflorus W. S. Ball 1946-4-19 San Mateo 5 miles below Half Moon Bay. 0 Comment
  NY38978  Carex aequa E. L. Greene 1902-5-10 811 San Mateo Crystal Springs Lake Comment
  JROH4314  Carex barbarae John H. Thomas 1974-5-19 17384 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4318  Carex barbarae W. Lennihan 1989-5-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Indian Meadow just before Rattlesnake Rock. Comment
  CAS-BOT-BC19321  Carex barbarae W. R. Dudley 1909-4-27 s.n. San Mateo The Santa Cruz Mountain Peninsula. Ponds by roadside near Crystal Spring Lake. Comment
  JROH4327  Carex densa Herbert Dengler 1959-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC823332  Carex densa John Thomas Howell 1938-5-1 13786 San Mateo near South San Francisco Comment
  RSA91589  Carex densa L. S. Rose 1937-5-16 37279 San Mateo South San Francisco. 15 Comment
  CAS-BOT-BC21808  Carex harfordii Elizabeth McClintock; Paul Reeberg 1989-5-2 s.n. San Mateo Lower Owl Canyon. 45 Comment
  CAS-BOT-BC21813  Carex harfordii W. R. Dudley 1906-6-10 s.n. San Mateo Near pond on So. Cahill Ridge. Comment
  JROH4354  Carex nudata John Rawlings 2012-5-15 1113 San Mateo Jasper Ridge Biological Preserve, Stanford University. A few feet downstream of the low-flow crossing, northern edge of San Francisquito Creek. 80 Comment
  CAS-BOT-BC119444  Carex nudata W. L. Scofield 1908-4-2 s.n. San Mateo Near Roble Bridge, Stanford University Comment
  CAS-BOT-BC117403  Carex senta W. L. Scofield 1908-4-2 s.n. San Mateo Near Roble bridge, Stanford University. Comment
  JROH4361  Carex subbracteata W. Lennihan 1989-5-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Mapache Trail. Comment
  UC306626  Carex subbracteata A. D. E. Elmer June, 1903 4429 San Mateo Crystal Springs Lake Comment
  SBBG47544  Carex subbracteata L. S. Rose 1939-4-14 39063 San Mateo South San Francisco 15 Comment
  UC750651  Carex subbracteata Lewis S. Rose 1939-4-14 39063 San Mateo South San Franciso 15 Comment
  CAS-BOT-BC115513  Carex tumulicola W. R. Dudley 1898-4-24 s.n. San Mateo El Corte Madera Comment
  SEINET3908568  Carex tumulicola Lewis S. Rose 1971-5-18 71031 San Mateo Tartan Trail Road. Hillsborough.; 0 91 Comment
  CHSC39844  Carpobrotus Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  UC295990  Carpobrotus chilensis H. M. Hall 1926-4-29 12235 San Mateo s of San Francisco (Salida Beach); San Francisco Bay Region, Salida Beach Comment
Read comments
Apr 7 2009
  UCSC007729  Carpobrotus chilensis Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  CDA20504  Carthamus creticus J. Beall 2004-8-6 PDR 1329641 San Mateo San Francisco Bay Area; at 60 Langley Hill Rd in La Honda. 0 Comment
  POM15449  Castilleja affinis C. F. Baker 1902-4-6 464 San Mateo Crystal Springs Lake. Comment
  SEINET12288585  Castilleja affinis Cummings, McCallum 1933-1 s.n. San Mateo in Spring Valley Comment
  JROH3936  Castilleja affinis subsp. affinis Roger von Preissig 1954-4-23 26 b San Mateo Jasper Ridge Biological Preserve, Stanford University 152 Comment
  SJSU15408  Castilleja affinis subsp. affinis Toni Corelli 2010-5-13 609 San Mateo Pedro Point Headlands, Pacifica CA; along Arroyo Trail 110 Comment
  JEPS47393  Castilleja affinis subsp. affinis L. R. Heckard 1964-6-24 1400 San Mateo along upper part of Monterey Road Pacifica Comment
  JEPS60429  Castilleja affinis subsp. affinis T. I. Chuang and F. M. Chuang 1969-6-22 6669 San Mateo 0.2 mi n San Mateo and Santa Cruz County line (on Highway 1) Comment
  UC205039  Castilleja ambigua subsp. ambigua Katharine Brandegee 1917-7-15 San Mateo Moss Beach Comment
  JROH3970  Castilleja attenuata John Hunter Thomas 1985-4-18 23526 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
  SD234177  Castilleja densiflora Claude Bonang 1958-4-4 13 San Mateo Jasper Ridge. Meadow. Comment
  JROH3980  Castilleja densiflora subsp. densiflora John Hunter Thomas 1978-4-25 19149 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1012312  Castilleja densiflora subsp. densiflora F. W. Pennell and D. D. Keck 1940-5-15 25425 San Mateo 4 mi w Burlingame (Route 101) 152 Comment
  JEPS19713  Castilleja exserta subsp. latifolia Peter H. Raven 1957-6-24 10970 San Mateo Pebble Beach Comment
  UC1063498  Castilleja exserta subsp. latifolia N. K. Carlson 1935-6-29 104 San Mateo 1 mi s Pescadero; Santa Cruz Quad. 91 Comment
  CAS-BOT-BC243826  Castilleja latifolia Katharine Brandegee 1917-7-29 s.n. San Mateo Tunitas Station, Ocean Shore R.R. Comment
  CAS-BOT-BC243829  Castilleja latifolia Otto M. Sokol 1953-5-9 86 San Mateo Just north of Pescadero Creek on coast road. Comment
  CAS-BOT-BC243834  Castilleja latifolia Peter H. Raven 1950-6-3 2267 San Mateo Near San Andreas Lake 121 Comment
  SEINET12288718  Castilleja latifolia M. T. Doutt 1931-1 235 San Mateo S of San Francisco Comment
  JROH3987  Castilleja rubicundula subsp. lithospermoides H. Dutton 1897-5-4 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Dam Comment
  JROH3993  Castilleja rubicundula subsp. lithospermoides John H. Thomas 1958-5-10 7147 San Mateo Jasper Ridge Biological Preserve, Stanford University; on the top of ridge Comment
  SBBG32465  Castilleja rubicundula subsp. lithospermoides L. S. Rose 1966-5-8 66034 San Mateo Emerald Lake, W of Redwood City 91 Comment
  SD37774  Castilleja rubicundula subsp. lithospermoides Edith A. Purer 1933-5-24 3608 San Mateo Woodside Comment
  UC886506  Castilleja rubicundula subsp. lithospermoides Alice Eastwood 1912-6-10 321 San Mateo Crystal Springs Comment
  JEPS34324  Castilleja subinclusa subsp. franciscana L. R. Heckard, and Rimo Bacigalupi 1963-7-2 1329 San Mateo just e Adobe Ave. in San Pedro Valley (grade of old county road over San Pedro Mt.); San Pedro Mt., San Pedro Valley 60 Comment
  JEPS3599  Castilleja subinclusa subsp. franciscana J. H. Thomas 1949-6-4 597 San Mateo 4 mi w La Honda (on road to Pescadero) Comment
  JEPS88830  Castilleja subinclusa subsp. franciscana T. I. and F. M. Chuang 1991-7-1 7848 San Mateo 0.8 mi n San Gregorio Beach Comment
  SJSU11466  Castilleja subinclusa subsp. franciscana R. D. Hennessey 1964-4-26 San Mateo near outlet Pilarcitos Cr into ocean Comment
  SJSU5850  Castilleja subinclusa subsp. franciscana R. E. Gill 1970-4-16 San Mateo La Honda Rd c. 4 mi E of junction with Skyline Blvd Comment
  JEPS30402  Castilleja wightii James B. Roof, Irja Knight 1963-4-24 San Mateo slopes above Colma Canyon (nw end of San Bruno Mountain (in Daly City)); San Bruno Mountain, Daly City Comment
  JEPS34323  Castilleja wightii L. R. Heckard, and Rimo Bacigalupi 1963-7-2 1328 San Mateo 500 ft se San Pedro Valley (town) (slopes above South Fork of San Pedro Creek, near home of John Gay) Comment
  JEPS3674  Castilleja wightii C. R. Bell 1951-3-25 922 San Mateo e of Daly City (maritime slopes of Colma Canyon); Colma Canyon Comment
  JEPS47394  Castilleja wightii L. R. Heckard 1964-6-24 1399 San Mateo up from Atlanta St. in Daly City (along new road up Colma Canyon); Colma Canyon, Daly City 121 Comment
  JEPS60422  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-21 6662 b San Mateo about 2 mi s Half Moon Bay road junction and Skyline Boulevard Comment
  JEPS6953  Castilleja wightii Peter H. Raven 1950-4-30 1989 San Mateo Montara Mts. 24 Comment
  JEPS88833  Castilleja wightii T. I. Chuang 1991-7-20 7879 San Mateo hills just s Rockaway Beach Comment
  RSA152274  Castilleja wightii John H. Thomas 1961-5-7 9305 San Mateo San Bruno Mountain, in northern part of county. 305 Comment
  RSA428366B  Castilleja wightii E. A. Purer 1933-7-27 5374 San Mateo 2 miles south of Pigeon Point. Comment
  UC1341771  Castilleja wightii Noel H. Holmgren and James L. Reveal 1966-6-5 2632 San Mateo 0.25 mi s Skyline Boulevard (Calif. Hwy. 35) jct. with Calif. Hwy. 1 Comment
  UC198264  Castilleja wightii Katharine Brandegee 1917-7-22 San Mateo Mussel Rock Station, Ocean Shore Railroad Comment
  UC198269  Castilleja wightii Katharine Brandegee 1917-7-22 San Mateo Mussel Rock Station, Ocean Shore Railway Comment
  RSA89758  Castilleja wightii P. A. Munz 1954-8-4 19914 San Mateo 5 miles s. of Rockaway Beach. Comment
  JROH1527  Caulanthus lasiophyllus John H. Thomas 1971-4-10 15759 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC47946  Ceanothus arboreus George Oberlander 1950-4-2 588 San Mateo San Andreas Dam Comment
  JROH3522  Ceanothus cuneatus var. cuneatus Duncan M. Porter 1961-2-8 741 San Mateo Jasper Ridge Biological Preserve, Stanford University. N slope of ridge below picnic area near crest at N end of ridge Comment
  CAS-BOT-BC51595  Ceanothus oliganthus var. sorediatus Robert Robertson 1954-5-1 104 San Mateo by road 2 miles S.W. La Honda Junction 365 Comment
  CAS-BOT-BC51599  Ceanothus oliganthus var. sorediatus W. R. Dudley 1894-12-13 s.n. San Mateo Above Prestou's, La Honda road Comment
  CAS-BOT-BC51239  Ceanothus papillosus E. H. Richardson 1906-4-1 s.n. San Mateo Kings Mt. Comment
  POM177505  Ceanothus papillosus J. C. Murphy 1906-5-20 13 San Mateo Santa Cruz Mts. Comment
  POM223329  Ceanothus papillosus L. S. Rose 1935-5-3 35144 San Mateo Skyline Blvd, W of Saratoga. 732 Comment
  UC1174505  Ceanothus papillosus LeRoy Abrams 1902-5-20 2412 San Mateo King's Mountain Comment
  CAS-BOT-BC52274  Ceanothus thyrsiflorus C. F. B. 1902-4-12 511 San Mateo La Honda Comment
  CAS-BOT-BC52276  Ceanothus thyrsiflorus Javier Penalosa 1963-3-9 2695 San Mateo Ravine 1/2 mi. east of 1314 ft. summit 304 Comment
  CAS-BOT-BC52282  Ceanothus thyrsiflorus Elizabeth McClintock 1972-5-10 s.n. San Mateo East of Kamchatka Point Comment
  CAS-BOT-BC52289  Ceanothus thyrsiflorus David D. Keck 1932-5-11 1773 San Mateo Three miles West of Kings Mountain, on road to Tunitas, west slope of Santa Cruz Mountains 457 Comment
  CAS-BOT-BC52290  Ceanothus thyrsiflorus Ira L. Wiggins 1925-4-1 1654 San Mateo On Kings Mountain Road three fourths of a mile above Woodside Comment
  CAS-BOT-BC52300  Ceanothus thyrsiflorus W. R. Dudley 1900-4-15 s.n. San Mateo Above Crystal Springs and Half Moon Bay road Comment
  CAS-BOT-BC52307  Ceanothus thyrsiflorus Josephine D. Randall 1907-7-23 321 San Mateo near Crystal Springs Lake Comment
  POM136452  Ceanothus thyrsiflorus Stewart H. Burnham 1894-4-21 1586 San Mateo [Unspecified] Comment
Read comments
Aug 11 2010
  RSA19208  Ceanothus thyrsiflorus R. S. Woglum 1935-5-25 1152 San Mateo Skyline Drive, S of San Francisco Comment
  UC1537016  Ceanothus thyrsiflorus Gordon H. True Jr. 1937-3-31 615 San Mateo on Salada Beach Road 60 Comment
  UC75398  Ceanothus thyrsiflorus C. F. Baker 1902-4-12 511 San Mateo La Honda Comment
  UC79918  Ceanothus thyrsiflorus Katharine Brandegee May 1890 19 San Mateo San Gregorio, Santa Cruz Mts. Santa Cruz Mts., San Gregorio Comment
  JROH590  Centaurea calcitrapa John H. Thomas 1974-8-3 17500 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH592  Centaurea calcitrapa John Hunter Thomas 1977-6-16 18767 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC277071  Centaurea melitensis Elizabeth McClintock; Paul Reeberg 1988-7-13 s.n. San Mateo San Bruno Mountains. Near the southwest corner of Guadalupe Valley 76 Comment
  HSC23977  Centaurea melitensis Mary Katherine Wicksten 1971-6-24 118 San Mateo Huddart Park, side of park entrance Comment
  RSA17963  Centaurea solstitialis C. B. Wolf 1927-8-13 716 San Mateo Woodside Comment
  CAS-BOT-BC277229  Centaurea solstitialis Phillip C. Wheeler 1965-6-19 s.n. San Mateo San Bruno Mountain. Brisbane Lagoon Comment
  JROH604  Centaurea solstitialis John Hunter Thomas 1977-6-16 18761 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS85194  Centaurium muehlenbergii Roy E. Buck and Randall A. Morgan 1984-6-17 508 San Mateo ca 6 km sw Redwood City (in triangle of Edgewood Rd, Canada Rd, and Interstate 280, ca 100 m w of I-280, s of Edgewood Park trail underpass, strip along and near watercourse); San Francisco Watershed Reserve 158 Comment
  SJSU15427  Centaurium tenuiflorum Toni Corelli 2011-8-25 716 b San Mateo Pescadero State Beach and Marsh Natural Preserve, Round Hill Trail at the end of Water Lane Road 12 Comment
  JEPS23530  Centranthus ruber J. H. Thomas 1958-11-9 7503 San Mateo along El Camino Real at northern end San Carlos 30 Comment
  CAS-BOT-BC272816  Centromadia parryi subsp. parryi David D. Keck 1931-10-5 1291 San Mateo Salada Beach Comment
  CAS-BOT-BC272819  Centromadia parryi subsp. parryi Lewis S. Rose 1931-8-28 s.n. San Mateo Salada Comment
  UCD130207  Centromadia pungens Lewis S. Rose 1965-9-20 65106 San Mateo Burlingame, Trousdale Dr. and California Dr. 9 Comment
  CAS-BOT-BC279324  Centromadia pungens subsp. pungens Elizabeth McClintock 1967-9-24 s.n. San Mateo San Bruno Mountain. Crocker Avenue Comment
  CAS-BOT-BC279331  Centromadia pungens subsp. pungens Ned Cahill 1974-10-8 377 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC279328  Centromadia pungens subsp. pungens L. R. Abrams 1903-9-26 4017 San Mateo Menlo Park - border of SF Bay Comment
  CAS-BOT-BC279332  Centromadia pungens subsp. pungens Alice Eastwood 1919-9-1 s.n. San Mateo San Mateo Comment
  JEPS20332  Centromadia pungens subsp. pungens Lewis S. Rose 1949-8-14 49166 San Mateo Bayshore Blvd. San Mateo Comment
  SBBG35987  Centromadia pungens subsp. pungens L. S. Rose 1965-9-20 San Mateo Burlingame, Trousdale Dr and California Drive 9 Comment
  UC894337  Centromadia pungens subsp. pungens Roxana Stinchfield 1915-9-19 250 San Mateo fields near Salt Marshes; Palo Alto Comment
  CAS-BOT-BC384958  Cerastium arvense W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. Ravine north of Seal Cove Comment
  CAS-BOT-BC384960  Cerastium arvense Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mt. Reservoir Hill Comment
  CAS-BOT-BC388386  Cerastium glomeratum John H. Thomas 1965-4-29 10622 San Mateo San Bruno Mountain in northern part of county 396 Comment
  JROH1695  Cerastium glomeratum John H. Thomas 1975-4-18 17786 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1084416  Cerastium glomeratum G. Thomas Robbins 1937-4-11 101 San Mateo near Spring Valley Lakes along rd. to Woodside Comment
  CAS-BOT-BC135474  Cercocarpus betuloides var. betuloides A. D. E. Elmer 1903-5-1 4530 San Mateo Searsville Lake Comment
  JROH3626  Cercocarpus betuloides var. betuloides John H. Thomas 1974-5-29 17408 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CHSC263  Chamaemelum nobile J. Turner 1930-5-2 San Mateo Moss Beach. Comment
  RSA299223  Chamaesyce serpens J. T. Howell 1979-8-11 53359 San Mateo Airport Sheraton, Airport Blvd., Burlingame. Comment
  JROH1950  Chamaesyce serpillifolia subsp. serpillifolia James McMurphy 1906-8-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Comment
  CAS-BOT-BC497725  Chlorogalum pomeridianum Ned Cahill 1974-4-29 171 San Mateo Serpentine fields bordered by chaparral near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JROH4643  Chlorogalum pomeridianum var. pomeridianum T. H. Lamb 1895-6-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge near the Searsville Dam Comment
  UC162391  Chorizanthe cuspidata var. cuspidata A. A. Heller 1906-6-8 8383 San Mateo near Ocean View, San Francisco; near Ocean View, San Francisco Comment
  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
  CAS-BOT-BC389694  Chrysolepis chrysophylla Mary K. Wicksten 1970-8-14 63 San Mateo Archery Trail, Huddart Prk. Comment
  POM270417  Chrysolepis chrysophylla Lyman Benson 1931-5-10 2800 San Mateo Above Woodside, Kings Mountain; Santa Cruz mt. range. 457 Comment
  RSA121897  Chrysolepis chrysophylla C. M. Belshaw 1936-1-25 1462 San Mateo Kings Mountain road, 4.5 miles west of Woodside; South Coast Range. Comment
  UCSC000177  Chrysolepis chrysophylla var. chrysophylla C. M. Belshaw 1935-1-25 1462 San Mateo 4.5 miles W. of Woodside 610 Comment
  CAS-BOT-BC36402  Chrysolepis chrysophylla var. minor David D. Keck 1934-7-7 2926 San Mateo Kings Mountain, just east of summit 548 Comment
  JEPS78658  Chrysolepis chrysophylla var. minor Edward Lee 1936-1-26 1742 San Mateo between Purisima Creek and Tunitas Creek (near summit) 609 Comment
  CAS-BOT-BC36408  Chrysolepis chrysophylla var. minor C. B. Wolf 1931-8-21 2335 San Mateo Upper Sonoran. 1/2 way up the east side of Kings Mt. 365 Comment
  CAS-BOT-BC277883  Cirsium brevistylum Lewis S. Rose 1933-6-9 33216 San Mateo 3 mi. W. of San Bruno Comment
  POM202467  Cirsium brevistylum L. S. Rose 1933-6-9 33216 San Mateo 3 miles W of San Bruno. Comment
  CAS-BOT-BC100943  Cirsium fontinale var. fontinale John Thomas Howell 1939-6-16 14746 San Mateo Crystal Springs Lake Comment
  UC894974  Cirsium fontinale var. fontinale John Thomas Howell 1939-6-16 14743 San Mateo Crystal Springs Lake Crystal Springs Lake (along brooklet) Comment
  RSA0008390  Cirsium fontinale var. fontinale J. T. Howell 1939-6-16 14743 San Mateo Crystal Springs Lake. Comment
  RSA0008392  Cirsium fontinale var. fontinale John Thomas Howell 1939-6-16 14743 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC280131  Cirsium occidentale var. venustum Margaret A. Barry 1937-7-17 201 San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC280132  Cirsium occidentale var. venustum A. D. E. Elmer 1903-6-1 4259 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC280136  Cirsium occidentale var. venustum John Thomas Howell 1939-6-16 14747 San Mateo Kings Mt. Comment
  RSA18266  Cirsium occidentale var. venustum C. B. Wolf 1927-6-27 457 San Mateo Los Troncos Creek, 2 mi back of Stanford University. Comment
  CAS-BOT-BC280524  Cirsium quercetorum Alice Eastwood 1912-6-10 333 San Mateo Crystal Springs Comment
  JEPS121559  Cirsium quercetorum Adam C. Schneider 2013-5-17 168 San Mateo Crystal Springs Reservoir Comment
  RSA0070861  Cirsium quercetorum John H. Thomas 1958-6-11 7227 San Mateo About 4.3 miles due E of Belmont near Crystal Springs Reservoir. 91 Comment
  UC615438  Cirsium quercetorum Beryl O. Schreiber 1932-5-29 314 San Mateo Crystal Springs Comment
  CAS-BOT-BC280513  Cirsium quercetorum Walter Knight; Irja Knight 1964-4-25 588 San Mateo San Bruno Mountain. Ridge near Nike base Comment
  JROH635  Cirsium vulgare John H. Thomas 1970-7-5 15670 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC285864  Cirsium vulgare John H. Thomas 1963-7-19 10198 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  UC2049888  Clarkia amoena subsp. amoena H. W. Johansen 1958-6-21 135 San Mateo Alpine road. Comment
  UCD104853  Clarkia purpurea W. A. Harvey; J. M. Tucker 1948-6-29 1710 San Mateo Beside road to Portola State Park, just W of junction with Highway 5 (Skyline Boulevard). Comment
  POM271758A  Clarkia purpurea subsp. purpurea Lyman Benson 1930-5-12 2121 San Mateo Lake Searsville, Stanford University; Santa Cruz mountain range, San Francisco Bay drainage area. 152 Comment
  JROH3005  Clarkia purpurea subsp. quadrivulnera John Hunter Thomas 1981-5-5 20537 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC163974  Clarkia purpurea subsp. quadrivulnera W. R. Dudley 1903-5-31 s.n. San Mateo Alpine Road, Black Mt., Santa Cruz Range Comment
  CAS-BOT-BC163978  Clarkia purpurea subsp. quadrivulnera Elizabeth McClintock; Phillip Wheeler 1967-5-14 s.n. San Mateo East side of mountain, above Harold Ave., Brisbane. Grassy slope above Philip Wheeler's house Comment
  RSA113601  Clarkia rubicunda Peter H. Raven 1957-6-24 10972 San Mateo North of the Light House, Pigeon Point Comment
  RSA18380  Clarkia rubicunda Carl B. Wolf 1927-7-1 528 San Mateo Above Emerald Lake, back of Redwood City. Comment
  CAS-BOT-BC165153  Clarkia rubicunda Walter Knight 1964-9-14 836 San Mateo On ridge - between Peak Mt. and highway 1 Comment
  RSA113615  Clarkia rubicunda Peter H. Raven 1957-7-6 11055 San Mateo Along Tunitas Creek 2.0 miles from junction with State Highway 1. Comment
  SEINET8726157 Image available Clarkia rubicunda Peter H. Raven 1957-1 10954 San Mateo State Highway 5 (Skyline Boulevard), 2.6 miles north of Redwood City turnoff, on serpentine. Comment
  POM32413  Clarkia unguiculata A. D. E. Elmer 1903-06 4293 San Mateo Alpine School House. Comment
  CAS-BOT-BC439591  Claytonia parviflora subsp. parviflora John H. Thomas 1963-5-20 10097 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz. Comment
  CAS-BOT-BC439592  Claytonia parviflora subsp. parviflora W. R. Dudley 1896-4-17 s.n. San Mateo Pescadero Creek Comment
  JEPS127812  Claytonia perfoliata subsp. perfoliata Adam C. Schneider with C. Matt Guilliams 2013-4-7 76 San Mateo Comment
  JROH3342  Claytonia perfoliata subsp. perfoliata Daniel Cohen 1953-4-11 20 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3404  Clematis lasiantha John H. Thomas 1956-4-7 5628 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3408  Clematis lasiantha Duncan M. Porter 1961-4-8 748 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3417  Clematis lasiantha John Hunter Thomas 1985-4-11 23519 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET12044200  Clintonia andrewsiana D. D. Keck 1932-1 1797 San Mateo 1 mi W of Skyline Blvd. on La Honda Rd, Santa Cruz Mts Comment
  CAS-BOT-BC240928  Collinsia multicolor Reed C. Rollins 1941-3-22 2953 San Mateo San Bruno Hills, 2 miles southeast of Daly City Comment
  UC765656  Collinsia multicolor R. F. Hoover 1941-4-23 4901 San Mateo San Mateo Creek below Crystal Springs Dam Comment
  CAS-BOT-BC240936  Collinsia multicolor Miss E. Cannon No date on label s.n. San Mateo Hills near the Bay, South San Francisco Comment
  JEPS127810  Collinsia sparsiflora Adam C. Schneider with C. Matt Guilliams 2013-4-7 72 San Mateo Comment
  JROH4016  Collinsia sparsiflora var. collina Herbert Dengler 1963-5-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; lower edge of serp. by "up" road S.W. of Searsville Rocks Comment
  POM65104  Collomia heterophylla L. R. Abrams 1901-05 1557 San Mateo Portola Comment
  RSA119754  Collomia heterophylla W. R. Dudley 1903-5-2 s.n. San Mateo Lower Pescadero Creek, Spring Valley co. property Comment
  JROH207  Conium maculatum John H. Thomas 1964-7-3 10442 San Mateo Jasper Ridge Biological Preserve, Stanford University; along road above Searsville Lake Comment
  JROH1849  Convolvulus arvensis John Hunter Thomas 1982-7-2 21056 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing Comment
  JROH1848  Convolvulus arvensis John Hunter Thomas 1978-5-12 19200 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA176609  Conyza canadensis John H. Thomas 1961-8-27 9694 San Mateo Colma; open sandy field near intersection of El Camino Real and F Street 46 Comment
  JROH5743  Corallorhiza striata L. Nordby 1982-5-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. 2 km east of redwood stands Comment
  JROH4032  Cordylanthus pilosus subsp. pilosus Carol Zabel 1989-8-7 20 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 12, near Mapache Gate Comment
  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
  SEINET11859850  Corethrogyne californica Unknown 1932-5-8 9109 San Mateo above Spring Valley Lakes Comment
  RSA93120  Corethrogyne californica var. californica D. D. Keck 1932-5-25 1785 San Mateo E side of Crystal Springs Lake Comment
  CAS-BOT-BC101481  Corethrogyne filaginifolia W. R. Dudley 1896-4-6 s.n. San Mateo Near Crystal Springs Comment
  CAS-BOT-BC101482  Corethrogyne filaginifolia L. R. A. 1902-5-11 2459 San Mateo Crystal Springs Comment
  SJSU15948  Corethrogyne filaginifolia John Rawlings, Ken Hickman 2016-5-26 1824 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
  POM132435  Cornus californica C. F. Baker 1902-9-2 1551 San Mateo Crystal Springs Lake. Comment
  RSA0034444  Cornus glabrata C. B. Wolf 1931-8-20 2329 San Mateo 3 miles west of Mayfield on road to La Honda. 91 Comment
  JROH1871  Cornus sericea subsp. sericea John Hunter Thomas 1981-7-24 20731 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1883  Cornus sericea subsp. sericea John Hunter Thomas 1991-8-4 25080 San Mateo Jasper Ridge Biological Preserve, Stanford University; along causeway Comment
  UC796713  Coronopus didymus Ira L. Wiggins 1949-7-2 12198 San Mateo Pescadero Beach Comment
  CAS-BOT-BC180278  Corylus cornuta subsp. californica Phillip Wheeler 1965-6-7 s.n. San Mateo Lower Owls Canyon ridge. San Bruno Mountain Comment
  CAS-BOT-BC180374  Corylus cornuta subsp. californica Walter Knight 1964-9-14 849 San Mateo On sandstone ridge between Peak Mt. and Highway 1 Comment
  JROH3635  Cotoneaster pannosus John H. Thomas 1974-10-12 17622 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3647  Cotoneaster pannosus John Hunter Thomas 1992-5-14 25232 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near boat ramp Comment
  JROH659  Cotula australis John H. Thomas 1979-4-8 19445 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC291474  Cotula coronopifolia Daniel Cohen 1953-5-9 76 San Mateo Top of sea cliff at Pescadero Comment
  CAS-BOT-BC427606  Crassula aquatica George Oberlander 1949-8-20 374 San Mateo San Francisco Watershed Reserve. About San Andreas Lake Comment
  CAS-BOT-BC427829  Crassula connata John H. Thomas 1958-3-19 7053 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco. 91 Comment
  CAS-BOT-BC427834  Crassula connata A. D. E. Elmer 1903-4-1 4719 San Mateo San Bruno Hills Comment
  JEPS121548  Crassula connata Adam C. Schneider with C. Matt Guilliams 2013-3-9 26 San Mateo Crystal Springs Reservoir Comment
  JROH1890  Crassula connata John Hunter Thomas 1985-4-10 23516 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC427838  Crassula connata Ned Cahill 1975-2-21 407 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City. Comment
  JROH3662  Crataegus monogyna John Hunter Thomas 1992-5-19 25339 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC290924  Crepis vesicaria John Thomas Howell 1956-5-1 31316 San Mateo Just s. of Woodside on road to Searsville Comment
  CHSC56524  Crepis vesicaria subsp. taraxacifolia Steven Triano 1988-5-24 175 San Mateo Along w side of Sand Hill Road 0.5 mi s of its jct. with Whiskey Hill Road and 2.5 mi s of Woodside. 121 Comment
  JROH667  Crepis vesicaria subsp. taraxacifolia John H. Thomas 1967-6-1 12962 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4983  Crypsis schoenoides John Hunter Thomas 1980-11-27 20194 San Mateo Jasper Ridge Biological Preserve, Stanford University. Old bathing beach area Comment
  JROH4990  Crypsis schoenoides John Hunter Thomas 1982-11-6 21208 San Mateo Jasper Ridge Biological Preserve, Stanford University. Delta along edge of Searsville Lake 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
  CAS-BOT-BC80785  Cupressus macrocarpa Elizabeth McClintock 1967-9-24 s.n. San Mateo Crocker Avenue. Plants of San Bruno Mountain. Comment
  CAS-BOT-BC80788  Cupressus macrocarpa Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo Guadalupe Rd. Plants of San Bruno Mountain. Comment
  CAS-BOT-BC80790  Cupressus macrocarpa J. H. Thomas 1964-6-19 10423 San Mateo About 1/2 mi below Skyline Blvd. on Half Moon Bay Road toward Crystal Springs Reservoir. Comment
  RSA120949  Cynara scolymus J. T. Howell 1956-11-14 31961 San Mateo Bayshore Highway just south of Main Street, Redwood City. Comment
  JROH1394  Cynoglossum grande John Hunter Thomas 1981-5-14 20573 San Mateo Jasper Ridge Biological Preserve, Stanford University; near old shack riders shack Comment
  POM286864  Cynoglossum grande Lyman Benson 1929-3-2 988 San Mateo Hill above Lake Searsville. Comment
  RSA130387  Cynoglossum grande A. M. Patterson 1907-4-27 s.n. San Mateo Kings Mt. Santa Cruz Peninsula. Comment
  RSA130413  Cynoglossum grande W. R. Dudley 1896-2-16 s.n. San Mateo Glen Gloaming, branch of Pescadero and Mill Creek near Black Mt. Comment
  UC572651  Cynoglossum grande Howard T. Morse 1937-4-13 San Mateo Loma Mar Comment
  CAS-BOT-BC217971  Cynosurus echinatus Elizabeth McClintock; Paul Reeberg 1989-6-18 s.n. San Mateo Saddle Area, San Bruno Mountains 213 Comment
  JROH5016  Cynosurus echinatus John Rawlings 2013-4-13 1127 San Mateo Jasper Ridge Biological Preserve, Stanford University. Crest of ridge above Bear Creek serpentine. 96 Comment
  JROH4385  Cyperus eragrostis W. Lennihan 1989-5-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; San Francisquito Creek Comment
  UC1100529  Cyperus eragrostis Herbert L. Mason and Verne Grant 1946-8-28 13084 San Mateo entrance to county prison San Francisco Comment
  CAS-BOT-BC114455  Cyperus eragrostis Walter Knight; Irja Knight 1964-9-2 s.n. San Mateo Buckeye Canyon, San Bruno Mountains. Comment
  CAS-BOT-BC257352  Cyperus eragrostis Peter Rubtzoff 1988-6-9 9924 San Mateo San Bruno Mountains, Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction, along Old Guadalupe Road in the northwestern part of the Saddle area, east of Saddle Trail junction. Comment
  HSC23970  Cyperus eragrostis Mary Katherine Wicksten 1971-7-13 170 San Mateo Huddart Park by drinking fountain Comment
  SEINET200022  Cyperus eragrostis Malcolm A. Nobs, S. Galen Smith 1949-8-26 1949 San Mateo 1 mile S of Half Moon Bay. Comment
  JROH21  Cystopteris fragilis Lawrence J. Winship 1974-11-16 20 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  SBBG108508  Cytisus scoparius N. Meng 1964-4-18 San Mateo Pacifica 30 Comment
Read comments
Dec 6 2012
  CAS-BOT-BC189821  Dactylis glomerata Elizabeth McClintock; Paul Reeberg 1988-6-28 s.n. San Mateo San Bruno Mountains. Along Old Guadalupe Trail. 213 Comment
  JROH5032  Dactylis glomerata John Hunter Thomas 1989-5-30 24755 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC192228  Danthonia californica Elizabeth McClintock 1963-6-9 s.n. San Mateo San Bruno Mountain Comment
  CAS-BOT-BC192231  Danthonia californica Ira L. Wiggins 1929-5-10 3673 San Mateo At Pigeon Point Comment
  CAS-BOT-BC192232  Danthonia californica David D. Keck 1932-5-6 1479 San Mateo Just west of Millbrae Highlands 50 Comment
  CAS-BOT-BC192239  Danthonia californica W. R. Dudley 1899-5-14 s.n. San Mateo Top of Sneath Ranch hill, West of South Bruno Comment
  CAS-BOT-BC192240  Danthonia californica Roxana S. Ferris 1920-4-26 2021 San Mateo 2 mi south of Pescadero on Pigeon Pt. Road 30 Comment
  JROH5044  Danthonia californica W. Lennihan 1989-5-4 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. From Escobar, just after turnoff to weather station; right of path under live oaks before Area G. 190 Comment
  LA11231  Danthonia californica D. Keck; 1932-5-6 1479 San Mateo W of Millbrae Highlands 50.0 Comment
  UCD60456  Danthonia californica Beecher Crampton 1962-6-11 6503 San Mateo Sharp Park, suburb of Pacifica Mori's Point Road, west of State Hwy. 1. Comment
  JROH1904  Datisca glomerata John H. Thomas 1961-6-14 9543 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JEPS13252  Daucus carota Rimo Bacigalupi with G. Thomas Robbins 1955-8-4 5444 San Mateo just s. Pedro Valley (along grade on Ca Hwy. No. 1) Comment
  JROH223  Daucus pusillus John H. Thomas 1968-5-22 14455 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD30843  Deinandra corymbosa Marie Cummings 1933-6-5 2124 San Mateo Near Spring Valley Lake Comment
  UC1069489  Deinandra corymbosa G. E. Sindel 1935-7-25 305 San Mateo mouth Pescadero Creek Comment
  CAS-BOT-BC299221  Deinandra corymbosa subsp. corymbosa Alice Eastwood 1921-7-17 s.n. San Mateo Granada Comment
  CAS-BOT-BC299222  Deinandra corymbosa subsp. corymbosa Alice Eastwood 1912-6-2 217 San Mateo Granada Comment
  CAS-BOT-BC299226  Deinandra corymbosa subsp. corymbosa Phillip C. Wheeler 1965-8-16 s.n. San Mateo Colma Canyon, San Bruno Mountain Comment
  CAS-BOT-BC300005  Deinandra lobbii Roxana Stinchfield 1915-10-14 258 San Mateo Above Basaltic Collumns near Standford University, Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC300007  Deinandra lobbii James I. McMurphy 1906-10-28 s.n. San Mateo San Francisquito Creek, along San Mateo-Santa Clara County line Comment
  JROH682  Delairea odorata Paul Heiple 2008-12-3 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; just inside Sand Hill Rd. fence well south of main gate (just south of abandoned telephone pole) Comment
  UC9192  Delphinium Alice Eastwood 1896-5-1 San Mateo Crystal Springs Comment
  CAS-BOT-BC9215  Delphinium californicum Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo San Bruno Mountain, Romanzoffia Ravine 396 Comment
  JROH3429  Delphinium californicum subsp. californicum Richard L. Garber 1971-5-18 28 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3431  Delphinium californicum subsp. californicum John H. Thomas 1971-5-30 15974 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3433  Delphinium californicum subsp. californicum John H. Thomas 1973-6-10 16811 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC9211  Delphinium californicum subsp. californicum J. H. Thomas 1960-6-1 8772 San Mateo Near dam along edge of Searsville Lake Comment
  CAS-BOT-BC9244  Delphinium decorum Walter Knight; Irja Knight 1965-4-4 1004 San Mateo Bitter Cherry Ravine near bottom of Colma Canyon Comment
  CAS-BOT-BC9245  Delphinium decorum W. R. Dudley 1900-3-17 s.n. San Mateo South side of summit of Montara Mountain Comment
  UC9146  Delphinium decorum subsp. tracyi Geological Survey San Mateo San Bruno Comment
Read comments
Jun 4 2007
  CAS-BOT-BC10291  Delphinium hesperium P. H. Raven 1949-6-13 834 San Mateo near Belmont 121 Comment
  JEPS6236  Delphinium hesperium subsp. hesperium J. Burtt Davy 1893-6-17 805 San Mateo Belmont Comment
  JROH3450  Delphinium hesperium subsp. hesperium John Rawlings, Carol Zabel, Ann Lambrecht 2005-5-25 1004 San Mateo Jasper Ridge Biological Preserve, Stanford University. In and along Road F in Area H serpentine grassland. 166 Comment
  CAS-BOT-BC9868  Delphinium nudicaule W. R. Dudley 1893-5-28 S. N. San Mateo Santa Cruz Peninsula, beyond Kings Mountain Comment
  CHSC60193  Delphinium nudicaule Jan M. Karaz 1979-5-27 59 San Mateo 3 mi e of Hwy 280 intersection with Woodside Road, 1.2 mi e of Woodside on Mountain Home Road. 7 Comment
  SJSU3087  Delphinium patens A. W. Jacobs 1941-4-20 San Mateo Jasper Ridge above Searsville L Comment
  JROH3457  Delphinium patens subsp. patens John H. Thomas 1978-4-8 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC116523  Delphinium patens subsp. patens L. R. Abrams 1908-3-22 s.n. San Mateo Corte Madera Canon, Portola 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-BC7939  Delphinium variegatum John Hunter Thomas 1969-4-24 14914 San Mateo near Canada College, Redwood City, near Farm Hill Drive Comment
  CAS-BOT-BC7927  Delphinium variegatum subsp. variegatum Alice Eastwood 1896-4-1 s.n. San Mateo Crystal Springs Comment
  UC118683  Delphinium variegatum subsp. variegatum C. F. Baker 1902-4-6 458 San Mateo Crystal Springs Lake Comment
  UC203054  Delphinium variegatum subsp. variegatum A. D. E. Elmer May 1903 4796 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC629  Dendromecon rigida subsp. rigida Roxana Stinchfield Ferris 1920-4-26 1954 San Mateo Slopes above Peters Creek. 609 Comment
  JROH5048  Deschampsia danthonioides John H. Thomas 1975-5-26 17917 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5049  Deschampsia danthonioides John Hunter Thomas 1982-5-7 20923 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5056  Deschampsia danthonioides John Hunter Thomas 1991-5-7 25036 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5065  Deschampsia elongata John Hunter Thomas 1980-11-27 20193 A San Mateo Jasper Ridge Biological Preserve, Stanford University; delta Comment
  JROH5073  Deschampsia elongata John Hunter Thomas 1988-5-16 24465 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low flow crossing. Comment
  JROH5674  Deschampsia elongata John Rawlings 2014-6-10 1276 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 old lab. Comment
  SJSU15414  Deschampsia elongata Toni Corelli 2010-5-21 670 San Mateo Pescadero State Beach and Marsh Natural Preserve. North Pond Trail 20 Comment
  CLARK-A1528-683  Dicentra formosa William Horn, Jr. 1963-4-13 630413 #1 San Mateo Hillsborough 30 Comment
  UCSB44360  Dicentra formosa Brownell, K. 1979-3-27 San Mateo Gazoos Road, .6 miles east of Highway 1, near Butano State Park 76 Comment
  CAS-BOT-BC500893  Dichelostemma capitatum Fred Hemphill 1973-5-6 777 San Mateo San Carlos, Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC500930  Dichelostemma capitatum Kim Marcus; David Schooly; Elizabeth McClintock 1975-4-13 s.n. San Mateo Above Hillside Blvd., South San Francisco Comment
  JEPS127848  Dichelostemma capitatum subsp. capitatum Adam C. Schneider 2013-4-7 86 San Mateo Comment
  JROH4655  Dichelostemma capitatum subsp. capitatum John H. Thomas 1967-5-10 12854 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5081  Digitaria sanguinalis John Hunter Thomas 1991-11-21 25103 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low-flow crossing of San Francisquito Creek. Comment
  SD4648  Diplacus aurantiacus Ulysses S. Grant June 1925 San Mateo Hillsborough Comment
  JROH1910  Dipsacus sativus John Hunter Thomas 1981-10-25 20773 San Mateo Jasper Ridge Biological Preserve, Stanford University; near main gate Comment
  JROH1909  Dipsacus sativus John H. Thomas 1969-6-4 15108 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4198  Dirca occidentalis John H. Thomas 1958-2-15 6980 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4199  Dirca occidentalis John H. Thomas 1960-5-1 8537 San Mateo Jasper Ridge Biological Preserve, Stanford University. This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  JROH4204  Dirca occidentalis John H. Thomas 1970-1-1 15496 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4208  Dirca occidentalis John H. Thomas 1975-4-3 17701 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  OBI78487  Dirca occidentalis Lewis S. Rose 1964-3-9 64004 San Mateo N end of Crystal Springs Lake 122 Comment
  RSA15243  Dirca occidentalis Carl B. Wolf 1927-2-17 204 San Mateo Los Trancos Creek, 2 miles back of Stanford University. Comment
  UC765088  Dirca occidentalis R. F. Hoover 1941-2-12 4761 San Mateo above La Honda; La Honda Creek Comment
  SEINET12190189  Dirca occidentalis L. S. Gill 1930-1 178 San Mateo near Searsville Lake Comment
  RSA15289  Disporum hookeri var. hookeri Carl B. Wolf 1927-4-3 257 San Mateo 1 mile above La Honda. Santa Cruz Mountains Comment
  POM196567  Disporum smithii W. R. Dudley 1896-4-17 s.n. San Mateo By road beyond La Honda Summit. Comment
  CAS-BOT-BC195719  Distichlis spicata Walter Knight; Irja Knight 1964-9-2 s.n. San Mateo Black Point, San Bruno Comment
  UCD64379  Distichlis spicata var. stolonifera A. A. Beetle 1942-10-1 1888 San Mateo Near San Mateo, borders of San Francisco Bay. Comment
  SEINET5548367  Dodecatheon hendersonii H. S. Gentry 1931-1 10 San Mateo 1.5 miles W of San Mateo, Half-Moon Bay road. Comment
  UC877538  Dodecatheon hendersonii L. R. Abrams 1904-3-14 634 c San Mateo Menlo Heights Santa Cruz Mountain Peninsula, Menlo Heights Comment
  JROH1507  Draba verna J. H. Thomas 1980-4-23 19896 San Mateo Jasper Ridge Biological Preserve, Stanford University; in road below dam Comment
  JROH1514  Draba verna John Hunter Thomas 1988-4-6 24369 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH1518  Draba verna John Hunter Thomas 1991-4-6 24975 San Mateo Jasper Ridge Biological Preserve, Stanford University; on west side of dam Comment
  CDA39076  Dracunculus vulgaris M. K. Beyers 2013-5-31 s.n. San Mateo Montara State Beach, McNee Ranch Trail Trailhead. Comment
  RSA112451  Drymocallis glandulosa H. A. Borthwick 1920-4-28 101 San Mateo Portola Valley 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
  CAS-BOT-BC67879  Dryopteris arguta John H. Thomas 1961-5-7 9296 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  JROH32  Dryopteris arguta John H. Thomas 1976-4-2 18076 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  POM217106  Dryopteris arguta D. D. Keck 1932-2-12 1361 San Mateo La Honda Road, east slope of Coast Range above Searsville Lake 305 Comment
  UC429788  Dryopteris arguta L. R. Abrams 1901-12-29 2251 San Mateo Santa Cruz Mts. Comment
  SD38414  Dudleya caespitosa Edith A. Purer 1933-7-27 5383 San Mateo 2.0 miles south of Pigeon Point. Comment
  UC144384  Dudleya caespitosa B 1903-6-30 3440 San Mateo Pilarcitos Comment
  CAS-BOT-BC428363  Dudleya farinosa L. R. Abrams 1909-8-2 4273 San Mateo Santa Cruz Peninsula. Pebble Beach hotel, Pescadero Comment
  CDA20206  Echinochloa colona J. Eide 2003-8-22 PDR 1424868 San Mateo San Francisco Bay Area; Residence at 74 Atherton Ave, Atherton. 0 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
  RSA101005  Echinochloa crus-galli G. Oberlander 1949-10-25 393 San Mateo Upper Crystal Springs Lake, San Francisco Watershed Reserve Comment
  JROH4411  Eleocharis macrostachya John Rawlings 2011-7-6 1101 San Mateo Jasper Ridge Biological Preserve, Stanford University. In old quarry near the intersection of Road E and Trail 13 southeast of Searsville Lake. 108 Comment
  JROH5655  Eleocharis macrostachya John Rawlings 2014-5-23 1271 San Mateo Jasper Ridge Biological Preserve, Stanford University; up-slope from boat dock (aka Searsville Lab Landing). 104 Comment
  SD38364  Elymus condensatus Edith A. Purer 1932-7-18 4006 San Mateo Half Moon Bay, sand dunes Comment
  CAS-BOT-BC203686  Elymus glaucus subsp. glaucus H. A. Borthwick 1920-5-24 179 San Mateo Santa Cruz Mountain Peninsula. La Honda Comment
  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
  CAS-BOT-BC203692  Elymus glaucus subsp. glaucus R. E. Frenkel 1963-12-7 328 San Mateo San Francisco Water District, Whiting Ridge Road, ca. 0.8 mile south-west of Spring Valley Road, at Fire Warden's Gate Comment
  SJSU15223  Elymus glaucus subsp. virescens Toni Corelli 2011-5-23 705 San Mateo Bean Hollow State Beach, Arroyo de los Frijoles Trail. Coastal bluff top south of Bean Hollow Beach 7 Comment
  JROH5126  Elymus multisetus John Hunter Thomas 1978-5-16 19218 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC204302  Elymus trachycaulus subsp. trachycaulus L. R. A. 1902-5-11 2452 San Mateo Crystal Springs Comment
  OBI11877  Epilobium canum Lewis S. Rose 1965-9-4 65099 San Mateo Skyline Blvd and Half Moon Bay Rd. Cahill ridge 244 Comment
  UCR121551  Epilobium ciliatum George K. Helmkamp, E. A. Helmkamp 1999-6-28 4998 San Mateo Pescadero Creek Watershed, Bean Hollow Road 0.3 mi south of Pescadero Road (SW of Pescadero). Slopes above Butano Creek 61 Comment
  UCR123145  Epilobium ciliatum subsp. glandulosum George K. Helmkamp, E. A. Helmkamp 2001-6-2 6796 San Mateo Central Coast, Purissima Creek Rd., 0.9 mi from Calif. Hwy 1(junction about 4 mi south of Half Moon Bay) 91 Comment
  RSA175071  Epilobium ciliatum subsp. watsonii Robert F. Thorne, Percy C. Everett 1963-6-9 32211 San Mateo On top of San Bruno Mountain, near TV tower. 335 Comment
  UCD105934  Epilobium ciliatum subsp. watsonii Malcolm A. Nobs; S. Galen Smith 1949-8-26 1585 San Mateo About 1 mile south of Half Moon Bay. Comment
  UC35409  Epilobium foliosum E. R. Drew 1888-4-12 San Mateo San Pedro Ranch Comment
  JROH3070  Epilobium minutum John H. Thomas 1963-5-15 10092 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4766  Epipactis helleborine Toni Corelli 2006-6-28 313 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 13 along causeway 106 Comment
  CAS-BOT-BC384628  Equisetum hyemale subsp. affine R. D. Hennessey 1964-4-26 70 San Mateo Area where Pilarcitos Creek empties into the ocean Comment
  RSA30891  Equisetum hyemale var. affine Roxana S. Ferris 1921-3-20 2113 San Mateo Pescadero near mouth of canon. The Santa Cruz Mtn Peninsula. Comment
  CAS-BOT-BC57601  Equisetum telmateia Ira L. Wiggins 1931-3-15 5103 San Mateo between Skyline Boulevard and La Honda Comment
  JROH5140  Eragrostis pectinacea var. pectinacea John H. Thomas 1974-10-29 17646 San Mateo Jasper Ridge Biological Preserve, Stanford University. Small peninsula created by drainage channel cut to accommodate water from Corte Madera Cr. Comment
  JROH5147  Eragrostis pectinacea var. pectinacea John Rawlings 2012-7-27 1124 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near the NE corner of the Caretaker's Residence by the garden fence and the blackberry bush. 106 Comment
  CAS-BOT-BC299883  Erechtites glomeratus Elizabeth McClintock 1963-6-9 s.n. San Mateo San Bruno Mountain Comment
  UC1244716  Eremocarpus setiger John H. Thomas 1959-8-22 8076 San Mateo about 5 mi sw Palo Alto; Jasper Ridge 152 Comment
  CHSC25996  Ericameria parishii James Henrickson 1969-10-19 4189 San Mateo 6 mi. NNW of Descanso on Boulder Creek Rd. Comment
Read comments
Dec 11 2013
  JROH646  Erigeron bonariensis John H. Thomas 1976-10-16 18411 San Mateo Jasper Ridge Biological Preserve, Stanford University; now dry delta in Searsville Lake at the mouth of Corte de Madera Creek Comment
  JROH678  Erigeron canadensis Toni Corelli 2011-8-30 372 San Mateo Jasper Ridge Biological Preserve, Stanford University. South of Road B, in vicinity of Dennis Martin site sign 76 Comment
  CAS-BOT-BC300613  Erigeron foliosus var. franciscensis Fred Hemphill 1973-5-14 813 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC295083  Erigeron glaucus Robert Robertson 1954-5-1 123 San Mateo Pebble Beach 12 Comment
  CAS-BOT-BC295093  Erigeron glaucus Saichi Kawahara 1968-6-15 431 San Mateo Pescadero Beach, 150 yards south of mouth of Pescadero Creek, Highway 1 4 Comment
  POM289038  Erigeron glaucus Lyman Benson 1930-6-14 2152 San Mateo San Gregorio. 30 Comment
  CAS-BOT-BC216133  Eriodictyon californicum Fred Hemphill 1973-5-6 762 San Mateo North of Malabar Road and Melendy Dr., San Carlos 207 Comment
  CAS-BOT-BC216249  Eriodictyon californicum George Oberlander 1949-4-30 133 San Mateo Sweeney Ridge, San Francisco Watershed Reserve Comment
  JROH2717  Eriodictyon californicum John H. Thomas 1959-4-5 7667 San Mateo Jasper Ridge Biological Preserve, Stanford University; at the western end of ridge Comment
  JROH2724  Eriodictyon californicum John H. Thomas 1973-5-5 16767 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2728  Eriodictyon californicum John H. Thomas 1975-6-5 17938 San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack Comment
  RSA119753  Eriodictyon californicum Josephine Randall 1907-6-29 164 San Mateo Kings Mt. Road. Comment
  POM193637B  Eriogonum gracile L. R. Abrams 1902-9-21 2988 San Mateo Crystal Lake Comment
  JEPS111099  Eriogonum gracile Zoe Ellis Chandik 1993-7-25 San Mateo Along Hwy 280, E side near Farmhill Road.. Comment
  CAS-BOT-BC251980  Eriogonum latifolium John H. Thomas 1961-5-7 9264 San Mateo San Bruno Mountain in northern part of county. 914 Comment
  CAS-BOT-BC251985  Eriogonum latifolium Louis F. Pitelka 1973-6-16 s.n. San Mateo Bolsa Point, about 1 mi N of Pigeon Point and about 39 mi S of San Francisco. On bluffs in open areas Comment
  CAS-BOT-BC251987  Eriogonum latifolium J. H. Thomas 1949-6-4 575 San Mateo Along coast, 1.4 miles S. of road to Pescadero Comment
  CAS-BOT-BC251997  Eriogonum latifolium Elsie Zeile 1909-8-23 s.n. San Mateo Granada. Open sandy cliff, bordering beach Comment
  POM165267  Eriogonum latifolium C. F. Baker 1903-6-30 3359 San Mateo Pilarcitos Comment
  RSA393632  Eriogonum latifolium E. S. Spalding 1924-6-28 s.n. San Mateo Moss Beach. Comment
  SD38689  Eriogonum latifolium Edith A. Purer 1933-7-27 5370 San Mateo Sand dunes, rwo miles south of Pigeon Point Comment
  UC1537277  Eriogonum latifolium Gordon H. True Jr. 1936-6-7 486 San Mateo cove 2 mi s Pescadero 15 Comment
  UC311072  Eriogonum latifolium A. D. E. Elmer July, 1903 4557 San Mateo Half Moon Bay Comment
  UCSB461  Eriogonum latifolium Myrick, Donald 1966-6-11 San Mateo Pigeon Point on Highway #1 south of San Francisco Comment
  SDSU6740  Eriogonum latifolium D. F. Howe 1962-7-26 3356 San Mateo 1.1 miles south of San Mateo-Santa Cruz Co. line Comment
  SEINET11938060  Eriogonum latifolium Unknown 1933-1 10382 San Mateo one mile down coast from Piscadero Comment
  SEINET5330414  Eriogonum latifolium E. Crawford 1982-9-25 s.n. San Mateo 12 Comment
  CAS-BOT-BC264771  Eriogonum luteolum David D. Keck 1931-10-5 1281 San Mateo Dam at north end of Crystal Springs Lake Comment
  CAS-BOT-BC264772  Eriogonum luteolum George Oberlander 1949-7-30 349 San Mateo San Francisco Watershed Reserve, south boundary Comment
  CAS-BOT-BC264779  Eriogonum luteolum Lewis S. Rose 1931-8-28 s.n. San Mateo Crystal Spring Lakes 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
  RSA279684  Eriogonum luteolum James L. Reveal, John H. Thomas 1975-7-31 3911 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto, on oak covered hillsides south of San Francisquito Creek 183 Comment
  JROH3230  Eriogonum luteolum var. luteolum John H. Thomas 1972-8-18 16146 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS83064  Eriogonum nudum Roy E. Buck, Randall A. Morgan, James A. West 1983-7-23 449 San Mateo 1.4 km w San Andreas Dam (at n end of Sawyer Ridge, on sw-facing slope above last curve in gravel ridge road before intersection above San Andreas Dam); San Francisco Watershed Reserve, Sawyer Ridge 312 Comment
  CAS-BOT-BC269001  Eriogonum nudum var. auriculatum George Oberlander 1949-6-25 215 San Mateo San Francisco Watershed Reserve 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
  JEPS128396  Eriogonum nudum var. auriculatum Adam C. Schneider 2013-5-17 142 San Mateo Crystal Springs Reservoir. Comment
  CAS-BOT-BC268998  Eriogonum nudum var. auriculatum Phillip C. Wheeler 1965-6-21 s.n. San Mateo San Bruno Mountain. Sierra Point Comment
  CAS-BOT-BC269002  Eriogonum nudum var. auriculatum Josephine D. Randall 1907-7-6 284 San Mateo Santa Cruz Peninsula. Iverson's, near Peters Creek Comment
  SEINET11938129  Eriogonum nudum var. auriculatum Unknown 1933-1 10521 San Mateo Spring Valley Lakes Comment
  SEINET11938130  Eriogonum nudum var. auriculatum Unknown 1932-1 9110 San Mateo Btw road and Sring Valley Lakes Comment
  CDA22626  Eriogonum nudum var. nudum T. C. Fuller 1967-6-13 15949 San Mateo Road to San Mateo, 0.7 mile east of Skyline Blvd., east above Crystal Springs Lake. 0 Comment
  HSC23886  Eriophyllum confertiflorum Mary Katherine Wicksten 1971-7-2 150 San Mateo Huddart Park, near Mimwok area Comment
  CAS-BOT-BC304079  Eriophyllum confertiflorum C. F. Leitholt 1894-5-30 s.n. San Mateo Santa Cruz Mt Peninsula. Hill back of Spring Valley Water Works below Belmont Comment
  CAS-BOT-BC301256  Eriophyllum lanatum var. arachnoideum Peter H. Raven 1957-6-24 10963 San Mateo Just south of Linda Mar Comment
  RSA116760  Eriophyllum lanatum var. arachnoideum C. F. Leitholt 1893-5-27 s.n. San Mateo Near Summit Springs, Kings Mountain; Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC301969  Eriophyllum staechadifolium Louis F. Pitelka 1973-6-16 s.n. San Mateo Bolsa Point, about 1 mi N of Pigeon Point and about 39 mi S of San Francisco Comment
  CHSC22930  Eriophyllum staechadifolium Robert A. Schlising; Glenn Keator 1962-2-3 2045 San Mateo Coast Ranges. Slope along Highway 1, 3.9 mi N of Jct with Bonnie Doon Road. Comment
  POM358129  Eriophyllum staechadifolium E. A. Purer 1933-7-27 5395 San Mateo 2 miles south of Pigeon Point. Comment
  CAS-BOT-BC301966  Eriophyllum staechadifolium George Oberlander 1949-7-30 332 San Mateo San Francisco Watershed Reserve. Sweeney Ridge Comment
  RSA100993  Eriophyllum staechadifolium G. Oberlander 1949-7-30 332 San Mateo Sweeney Ridge, San Francisco Watershed Reserve Comment
  RSA116763  Eriophyllum staechadifolium L. R. Abrams 1907-08 s.n. San Mateo Between Pescadero and Half Moon Bay Comment
  UC484306  Eriophyllum staechadifolium Carl B. Wolf 1930-11-5 1808 San Mateo 2 mi s San Gregorio (hills near the ocean); ocean Comment
  UCSB10755  Eriophyllum staechadifolium Myrick, Donald 1966-6-11 San Mateo Near Pescadero Creek off Highway #1 south of San Francisco Comment
  JROH2592  Erodium botrys John H. Thomas 1968-3-31 14257 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA391777  Erodium botrys D. D. Keck 1932-4-18 1432 San Mateo Mills Field Airport, San Francisco Bay. 2 Comment
  JROH2604  Erodium cicutarium John H. Thomas 1974-4-4 17082 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2608  Erodium moschatum John Rawlings 2012-5-25 1106 San Mateo Jasper Ridge Biological Preserve, Stanford University. Dennis Martin site near Road B. 79 Comment
  SJSU2305  Eryngium armatum C. W. Sharsmith 1950-4-16 6634 San Mateo near Pescadero Point near Pescadero Comment
  JROH236  Eryngium jepsonii John H. Thomas 1964-7-9 10443 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH241  Eryngium jepsonii John H. Thomas 1977-4-28 18563 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC54512  Erysimum capitatum George Oberlander 1950-3-11 437 San Mateo San Francisco Watershed Reserve. Sweeney Ridge. Comment
  CAS-BOT-BC124226  Erysimum franciscanum George Bowyer Rossbach 1938-5-18 837 San Mateo E side of Crystal Springs Lake 106 Comment
  CAS-BOT-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-BC54827  Erysimum franciscanum Alice Eastwood 1903-2-8 3237 San Mateo Spring Valley. Comment
  CAS-BOT-BC54843  Erysimum franciscanum G. B. Rossbach; R. P. Rossbach 1938-4-3 806 San Mateo Crests and steep upper slopes of the San Bruno Hills. 365 Comment
  CAS-BOT-BC54875  Erysimum franciscanum C. F. Baker 1903-4-6 1885 San Mateo San Bruno Hills. Comment
  CAS-BOT-BC54878  Erysimum franciscanum Peter H. Raven 1950-4-16 1781 San Mateo San Bruno Mountains. Colma Canyon. 182 Comment
  CAS-BOT-BC54884  Erysimum franciscanum James Newman 1951-4-24 12 San Mateo Chrystal Springs Reservoir. 152 Comment
  RSA101866  Erysimum franciscanum G. B. Rossbach 1938-4-3 806 San Mateo San Bruno Hills 305 Comment
  RSA187279  Erysimum franciscanum John H. Thomas 1965-4-29 10608 San Mateo San Bruno Mountain in northern part of county. 305 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
  UC1034935  Erysimum franciscanum G. B. and R. P. Rossbach 1939-3 901 a&b San Mateo dunes just back of high sea cliff very near Sharp Park Comment
  UC1034950  Erysimum franciscanum G. B. Rossbach 1940-5-24 932 San Mateo exposed crest of ridge one-half to one mi se highest peak; San Bruno Hills 358 Comment
  PGM186  Erysimum franciscanum Vern Yadon 1968-4-5 San Mateo Pigeon Pt Lighthouse area Highway 1, Pigeon Pt Lighthouse just S of Comment
  SJSU15961  Erythranthe guttata John Rawlings, Ken Hickman 2016-5-26 1837 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-BC403531  Eschscholzia californica Louis F. Pitelka 1973-4-30 s.n. San Mateo Bolsa Point, about 1 mi N of Pigeon Point and about 39 mi S of San Francisco Comment
  CAS-BOT-BC403560  Eschscholzia californica Walter Knight; Irja Knight 1964-4-25 632 San Mateo San Bruno Mountain. Power Line Ridge Comment
  JEPS51735  Eschscholzia californica Dr. L. M. Newlon 1921-1 238 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-BC403536  Eschscholzia californica George Oberlander 1949-4-2 26 San Mateo San Francisco Watershed Reserve. On crest of Sawyer Ridge Comment
  CAS-BOT-BC403547  Eschscholzia californica John H. Thomas 1963-5-20 10099 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  CAS-BOT-BC403558  Eschscholzia californica W. R. Ernst 1957-4-2 102 San Mateo Near junction of Highway 1 and Skyline Blvd. among San Francisco Headlands Comment
  RSA0012612  Eucalyptus globulus John H. Thomas 1965-4-13 10566 San Mateo In San Carlos along El Camino Real. Comment
  CAS-BOT-BC202734  Euonymus occidentalis W. R. Dudley 1910-5-26 s.n. San Mateo Santa Cruz Mountain Peninsula. Los Trancos Creek, above Judge Allen's Comment
  CAS-BOT-BC202738  Euonymus occidentalis C. B. Wolf 1931-8-21 2333 San Mateo 1/2 mile above east base of La Honda Grade, Santa Cruz Mts. 243 Comment
  SEINET12131905  Euonymus occidentalis Unknown 1932-1 9164 San Mateo Canons San Madero Creek Comment
  CAS-BOT-BC202532  Euphorbia John H. Thomas 1968-10-6 14848 San Mateo Vicinity of railroad tracks and Dumbarton Bridge causeway entrance. East of Palo Alto Comment
  JROH5788  Euphorbia oblongata John Rawlings 2016-5-10 1780 San Mateo Jasper Ridge Biological Preserve, Stanford University. San Francisquito Cr. near Dennis Martin site. 73 Comment
  UCR123136  Euphorbia oblongata Don Pendleton 2002-4-26 s.n. San Mateo San Francisco Bay Region, Woodside, Sandhill Road, 0.25 mi north of Portola Road, west of Hwy 280 152 Comment
  CDA19888  Euphorbia oblongata J. Beall 2002-6-3 PDR P 120145 San Mateo San Francisco Bay Area; Pope at San Francisquito Creek. 0 Comment
  JROH5833  Euphorbia oblongata Ann Lambrecht, Teri Barry 2014-5-27 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; in now-dry bed of San Francisquito Creek Comment
  CDA9447  Euphorbia spathulata D. G. Kelch 2002-5-13 s.n. San Mateo Pulgas Ridge; SF watershed. Between Ralston Ave & I-280. 0 Comment
  SJSU6623  Felicia amelloides T. M. Morton 1972-4-1 San Mateo residence 735 Laurelwood Dr, San Mateo 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
  SJSU16063  Festuca arundinacea Toni Corelli 2009-9-22 446 San Mateo Ano Nuevo State Park, adjacent to Gazos Creek parking lot Comment
  JROH5689  Festuca bromoides John Rawlings 2015-2-21 1281 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 4 on north side of Jasper Ridge 167 Comment
  JEPS18167  Festuca californica Rimo Bacigalupi with Galen Smith, L. Dempster, and T. Robbins 1956-5-15 5645 San Mateo first ridge w San Andreas Lake (on road to Pilarcitos Lake) 198 Comment
  CAS-BOT-BC278346  Festuca californica subsp. californica Elizabeth McClintock 1964-4-17 s.n. San Mateo San Bruno Mountain Comment
  CAS-BOT-BC278475  Festuca idahoensis L. R. A. 1902-5-11 2450 San Mateo Crystal Springs Comment
  UCD163541  Festuca idahoensis Peter Rubtzoff 1980-5-3 9436 San Mateo San Bruno Mountains. The Edward Preston Lee Memorial Site and vicinity. Comment
  JROH5486  Festuca microstachys A. G. Vestal 1923-5-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC278863  Festuca occidentalis W. R. Dudley 1896-4-17 s.n. San Mateo Santa Cruz Mountain Peninsula. Near La Honda, Summit Comment
  JEPS21675  Festuca occidentalis W. R. Dudley 1895-6-1 San Mateo Pescadero Creek Comment
  RSA135767  Festuca occidentalis W. R. Dudley 1895-06 s.n. San Mateo Pescadero Creek. Comment
  JROH5715  Festuca occidentalis Volney Rattan 21 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville. Comment
  JROH5506  Festuca octoflora John H. Thomas 1966-4-20 11561 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA582075  Festuca rubra D. D. Keck 1932-5-6 1478 San Mateo Above Millbrae Highlands Comment
  RSA140620  Ficus carica John H. Thomas 1960-6-25 8795 San Mateo Redwood City. Along or near a small creek running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street. 8 Comment
  CAS-BOT-BC77693  Ficus carica Elizabeth McClintock; Paul Reeberg 1988-5-12 s.n. San Mateo Juncus Ravine Comment
  CAS-BOT-BC437029  Fragaria chiloensis A. D. E. Elmer 1903-4-1 4799 San Mateo San Pedro Comment
  CAS-BOT-BC437038  Fragaria chiloensis Elizabeth McClintock 1965-3-28 s.n. San Mateo April Brook, San Bruno Mountain Comment
  UC859948  Fragaria vesca Lewis S. Rose 1933-6-23 33251 San Mateo Kings Mountain Comment
  CAS-BOT-BC457520  Fragaria vesca subsp. californica Le Roy Abrams 1902-5-20 2469 San Mateo Kings Mountain Comment
  CAS-BOT-BC457525  Fragaria vesca subsp. californica Elizabeth McClintock 1967-9-24 s.n. San Mateo Crocker Avenue, San Bruno Mountain Comment
  JROH3541  Frangula californica subsp. californica John H. Thomas 1974-8-11 17509 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3578  Frangula californica subsp. tomentella John H. Thomas 1973-5-5 16770 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET6671073 Image available Frankenia grandifolia Malcolm A. Nobs, S. Galen Smith 1949-1 1599 San Mateo Mouth of Pescadero Creek Comment
  SEINET6671082 Image available Frankenia grandifolia Lewis S. Rose 1938-1 38230 San Mateo Brisbane 2 Comment
  CAS-BOT-BC211604  Frankenia salina Roxana Stinchfield 1915-9-19 251 San Mateo Palo Alto, Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC211608  Frankenia salina David D. Keck 1931-9-27 1269 San Mateo Dumbarton Bridge Comment
  POM135677  Frankenia salina E. B. Copeland 1903-6-18 3313 San Mateo Half Moon Bay Comment
  RSA14513  Frankenia salina L. S. Rose 1933-7-20 33304 San Mateo Granada. Comment
  UC153585  Frankenia salina L. R. Abrams 1906-9-29 San Mateo Cooley's Landing Comment
  UC19157  Frankenia salina J. Burtt Davy 1893-6-17 808 San Mateo Belmont 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
  UC204192  Fritillaria affinis A. D. E. Elmer May, 1903 5045 San Mateo Portola Comment
  CAS-BOT-BC130117  Fritillaria affinis Volney Rattan 1802-1-1 s.n. San Mateo Cushings Comment
  JEPS100605  Fritillaria biflora var. ineziana Dean W. Taylor 1995-3-14 14763 San Mateo W of Hillsborough (Buri Buri Ridge; W of Skyline Blvd.; San Francisco Fish and Game Refuge, San Francisco Water Department lands) 152 Comment
  JEPS4952 Image available Fritillaria biflora var. ineziana Inez Smith 1914-3-12 San Mateo Hillsboro; ; Hillsboro, San Mateo Co. Comment
  POM273462  Fritillaria liliacea Lyman Benson 1929-3-16 s.n. San Mateo Crystal Springs Lake, Spring Valley 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
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Sep 10 2014
  SEINET12044985  Fritillaria liliacea H. E. Parks, Parks, S. T. 1930-1 400 San Mateo Spring Valley Lakes 152 Comment
  RSA0031337  Fumaria Peter Rubtzoff, B. Anderson 1988-4-12 9900 San Mateo San Bruno Mountain. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction; NW part of the area, near the old Guadalupe Road between Bog Trail and Saddle Trail Junctions. Comment
  CAS-BOT-BC422449  Fumaria capreolata Philip Morgan 1985-5-1 s.n. San Mateo Growing at the base of Montara Mountain. Comment
  JROH3102  Fumaria capreolata Ann Lambrecht 2002-5-22 3 San Mateo Jasper Ridge Biological Preserve, Stanford University; San Francisquito Creek, below Dennis Martin marker Comment
  CAS-BOT-BC422462  Fumaria officinalis Elizabeth McClintock 1972-3-26 s.n. San Mateo San Bruno Mountain. Brisbane. Comment
  CAS-BOT-BC389733  Galium J. Lovelle 1973-8-5 37 San Mateo Mt. Ellen Trail Comment
  RSA130695  Galium californicum subsp. californicum W. R. Dudley 1906-10-3 s.n. San Mateo Opposite side of Pescadero Creek from [Gruerson's?] old house. Comment
  CDA6674  Galium divaricatum J. T. Howell 1978-7-18 53188 San Mateo McClellan residence, 1356 Bernal Avenue, Burlingame. 0 Comment
  JROH3794  Galium murale John H. Thomas 1971-4-21 15765 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3798  Galium murale John H. Thomas 1975-5-2 17859 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3799  Galium murale John H. Thomas 1976-4-30 18103 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  CDA33978  Galium porrigens D. G. Kelch, David Gernandt, Steffi Ickert-Bond, Yingli Guo 2011-4-22 11 .148 San Mateo Santa Cruz Mountains.; Skyline Blvd, ~ 5 miles W of Los Altos. Comment
  JROH3813  Galium porrigens var. porrigens John Hunter Thomas 1983-2-21 21281 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH802  Gamochaeta ustulata John Hunter Thomas 1987-5-5 24254 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-BC303468  Gamochaeta ustulata Paul F. Covel 1936-4-24 272 San Mateo Skyline Blvd Comment
  JROH796  Gamochaeta ustulata John Hunter Thomas 1983-4-14 21403 San Mateo Jasper Ridge Biological Preserve, Stanford University; low-flow crossing Comment
  POM222795  Garrya elliptica K. L. Dole 1909-2-27 s.n. San Mateo Jasper Ridge. 183 Comment
  RSA181585  Garrya elliptica E. A. McGregor 1907-2-10 s.n. San Mateo Jasper Ridge. Comment
  CAS-BOT-BC194563  Garrya elliptica E. L. H. Knoche 1896-4-1 s.n. San Mateo Inland from Pescadero Comment
  POM132534  Garrya veatchii Jos. Burtt Davy 1893-06 s.n. San Mateo Pilarcitos Lake and Canon [Canyon]. Comment
  JROH5199  Gastridium phleoides John Hunter Thomas 1992-5-25 25348 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SACT001241  Gastridium ventricosum Malcolm Nobs, S. Smith 1949-8-26 San Mateo Marshy streambank about 1 mile south of Pigeon Point. Comment
  CAS-BOT-BC59634  Gaultheria shallon Arthur Menzies 1964-1-12 s.n. San Mateo San Bruno Mountain. Comment
  CAS-BOT-BC59636  Gaultheria shallon Walter Knight; Irja Knight 1964-9-30 s.n. San Mateo Lower Kamchatka Point. Comment
  CAS-BOT-BC219149  Genista monspessulana Sue Roberts 1954-5-1 59 San Mateo La Honda in redwood area on bank above road 7 miles east of La Honda Comment
  JROH2610  Geranium dissectum John H. Thomas 1966-4-24 11577 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA0028484  Geranium dissectum John H. Thomas 1966-4-24 11577 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  RSA0028489  Geranium dissectum Josephine Randall 1907-6-29 149 San Mateo Portola Valley. Comment
  JROH2628  Geranium molle John H. Thomas 1978-4-8 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2629  Geranium molle John Hunter Thomas 1978-4-8 19059 C San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC166729  Geranium retrorsum Peter Rubtzoff 1975-10-4 8418 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction; upper part of East Fork Colma Creek. Comment
  JROH3155  Gilia achilleifolia subsp. multicaulis John H. Thomas 1977-4-19 18533 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD38797  Gilia achilleifolia subsp. multicaulis E. A. Purer 1933-5-16 3638 San Mateo Alpine Road Comment
  RSA18352  Gnaphalium chilense C. B. Wolf 1927-1-29 465 San Mateo Pescadero Comment
  POM224080  Gnaphalium luteoalbum J. T. Howell 1935-1-13 12578 San Mateo Lake San Andreas. Comment
  POM358932  Gnaphalium ramosissimum E. A. Purer 1933-8-13 5420 San Mateo Near Belmont 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
  RSA136087  Grindelia camporum John H. Thomas 1954-5-28 4233 San Mateo Along Bayshore Hwy about 2 miles S of San Francisco Airport. 0 Comment
  CAS-BOT-BC304504  Grindelia hirsutula Alice Eastwood 1914-12-16 s.n. San Mateo Redwood City Comment
  JEPS41871  Grindelia hirsutula W. L. Jepson 1896-1 San Mateo Santa Cruz Mountains Comment
  SBBG25107  Grindelia hirsutula D. Myrick 1966-6-11 1451 San Mateo Pigeon Pt on St Hwy 1, S of San Francisco Comment
  SJSU1660  Grindelia hirsutula R. E. Bousquet 1955-5-14 40 San Mateo E side Crystal Springs Reseroir Comment
  SJSU2215  Grindelia hirsutula W. P. Merry 1959-5-23 69 San Mateo beside Alpine Rd 7 mi W of Hwy 5 (Skyline Blvd.), Santa Cruz Mts Comment
  UC1118556  Grindelia hirsutula N. K. Carlson 1935-6-29 105 San Mateo 1 mi s Pescadero; Santa Cruz Quad. Comment
  JROH824  Grindelia hirsutula John Hunter Thomas 1983-6-2 22328 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA21911  Grindelia stricta var. angustifolia L. S. Rose 1938-8-18 38229 San Mateo Brisbane 2 Comment
  SJSU15765  Grindelia stricta var. angustifolia Toni Corelli 2011-8-31 721 a San Mateo Pescadero State Beach and Marsh Natural Preserve. Along Butano Trail on levy along Butano Creek. 3 Comment
  SEINET11835893  Grindelia stricta var. angustifolia E. A. Purer 1933-1 5525 San Mateo no further locality Comment
  JROH439  Hedera helix John H. Thomas 1967-6-1 12974 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA3886  Helenium puberulum I. L. Wiggins 1929-7-4 3791 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  CAS-BOT-BC305341  Helianthella castanea Glenn L. Clifton 1988-5-11 17823 San Mateo San Bruno Mountain, canyon on north-facing slope above Brisbane, adjacent to right-of-way of eastern-most set of PGandE high-voltage powerlines crossing the mountain 256 Comment
  SD39702  Heliotropium curassavicum Edith A. Purer 1933-7-27 5396 San Mateo 2.0 miles south of Pigeon Point. Comment
  CAS-BOT-BC305926  Helminthotheca echioides John H. Thomas 1955-11-9 5505 San Mateo Fallow Brussel Sprout field near Sanchez Adobe House, San Pedro Valley, about 8.5 miles south of San Francisco - San Mateo County line, and 0.9 mile inland from the ocean Comment
  CAS-BOT-BC305929  Helminthotheca echioides Walter Knight; Walter Knight 1963-6-24 s.n. San Mateo San Bruno Mountain. Quarry 4 Comment
  CAS-BOT-BC313459  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1935-9-21 35652 San Mateo Redwood City Comment
  CAS-BOT-BC314913  Hemizonia congesta subsp. luzulifolia Ned Cahill 1974-8-26 365 San Mateo Near the intersection of Canada and Edgewood Roads about 3 mi. westward from Redwood City Comment
  CAS-BOT-BC314924  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1941-10-24 41470 San Mateo Belmont 6 Comment
  CAS-BOT-BC314936  Hemizonia congesta subsp. luzulifolia C. F. Baker 1903-6-30 3350 San Mateo Crystal Springs Comment
  CAS-BOT-BC314947  Hemizonia congesta subsp. luzulifolia A. D. E. Elmer 1903-5-1 4805 San Mateo Crystal Springs Lake Comment
  JROH873  Hemizonia congesta subsp. luzulifolia John Hunter Thomas 1988-8-21 24562 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  LA27292  Hemizonia congesta subsp. luzulifolia Lewis S. Rose; 1941-10-24 41470 San Mateo Belmont 6 Comment
  SJSU8831  Hemizonia congesta subsp. luzulifolia S. Anderson 1962-5-12 San Mateo Crystal Springs Hills 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-BC314932  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1909-6-13 s.n. San Mateo Milbrae hills Comment
  SEINET6205044  Hemizonia corymbosa L. S. Rose 1965-1 65100 San Mateo Skyline Blvd & Halt Moon Bay Rd Comment
  POM360251  Hemizonia corymbosa subsp. corymbosa L. S. Rose 1937-8-29 37644 San Mateo Moss Beach. 15 Comment
  POM360252  Hemizonia corymbosa subsp. corymbosa E. A. Purer 1933-7-27 5339 San Mateo Pigeon Point Comment
  POM55223  Hemizonia corymbosa subsp. corymbosa A. D. E. Elmer 1903-07 4963 San Mateo Crystal Springs Lake Comment
  RSA0034608  Hemizonia corymbosa subsp. corymbosa C. B. Wolf 1927-6-29 538 San Mateo South of Pebble Beach near Pescadero Comment
  SEINET7883265 Image available Hemizonia grandiflora L. R. Abrams 1914-1 5140 San Mateo Crystal Springs; at the type station Comment
  POM195795  Hemizonia luzulifolia L. R. Abrams 1914-7-15 5140 San Mateo Crystal Springs. Comment
  SEINET5782066 Image available Hemizonia pungens L. S. Rose 1941-10-10 41463 San Mateo along Bayshore Blvd, San Mateo Comment
  SEINET8734814 Image available Hemizonia pungens L. S. Rose 1941-1 41463 San Mateo along the Bayshore Boulevard, San Mateo 3 Comment
  UCSB17224  Hesperevax sparsiflora Schulte, John 1963-4-14 San Mateo Top of Jasper Ridge, 3 miles southwest of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  JROH884  Hesperevax sparsiflora var. sparsiflora John H. Thomas 1970-1-1 15493 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH890  Hesperevax sparsiflora var. sparsiflora John Hunter Thomas 1981-4-23 20484 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC403866  Hesperocnide tenella Elizabeth McClintock; Carlyn Halde; Walter Knight; Walter Knight 1963-6-23 s.n. San Mateo San Bruno Mountain. Lower part of Colma Canyon Comment
  JROH4229  Hesperocnide tenella John H. Thomas 1974-5-19 17384 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC176208  Hesperolinon congestum A. D. E. Elmer 1903-5-1 4422 San Mateo Crystal Springs Lake Comment
  RSA112350  Hesperolinon congestum L. R. Abrams 1910-5-7 s.n. San Mateo Crystal Springs Lake. Comment
  RSA187457  Hesperolinon congestum L. R. Abrams 1920-6-1 7497 San Mateo Back of Redwood City. Comment
  UC1187062  Hesperolinon congestum David D. Keck 1940-5-15 5035 San Mateo e side Upper Crystal Springs Lake 100 Comment
  JROH2923  Hesperolinon micranthum John H. Thomas 1963-5-15 10093 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2939  Hesperolinon micranthum John Hunter Thomas 1992-5-25 25342 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC422604  Hesperomecon linearis A. D. E. Elmer 1903-5-1 4594 San Mateo San Bruno Hills Comment
  CAS-BOT-BC148470  Heteromeles arbutifolia Walter Knight; Irja Knight 1963-6-24 s.n. San Mateo Quarry 4 - San Bruno Mountain Comment
  UC942934  Heteromeles arbutifolia Lewis S. Rose 1948-11-25 48241 San Mateo Woodside 365 Comment
  JROH907  Heterotheca grandiflora John Hunter Thomas 1991-11-21 25110 San Mateo Jasper Ridge Biological Preserve, Stanford University; SLAC corridor Comment
  CAS-BOT-BC310763  Heterotheca sessiliflora subsp. echioides W. R. Dudley 1895-9-21 s.n. San Mateo Santa Cruz Mountain Peninsula. By road near Bay back of Menlo Park Comment
  SEINET9737102  Heuchera micrantha Unknown 1933-4-23 10384 San Mateo White House Creek Comment
  CAS-BOT-BC424377  Heuchera micrantha var. hartwegii Walter & Irja Knight 1964-5-4 s.n. San Mateo Romanzoffia ravine; San Bruno Mountain Comment
  RSA0063142  Heuchera micrantha var. hartwegii D. D. Keck 1932-6-1 1794 San Mateo Above Woodside on La Honda Rd. E slope of Santa Cruz Mtns. Comment
  CHSC56591  Heuchera micrantha var. pacifica Steven Triano 1988-5-24 167 San Mateo Ca 0.1 mi w of Old La Honda Road near Martin Creek and 0.4 air miles e of SkyLonda. 381 Comment
  SEINET191615  Heuchera micrantha var. pacifica L. S. Rose 1941-7-2 41289 San Mateo Kings Mt 610 Comment
  CAS-BOT-BC424430  Heuchera pilosissima H. L. Mason 1921-6-2 s.n. San Mateo Hill near Pebble Beach, Pescadero Comment
  JROH5208  Holcus lanatus John Hunter Thomas 1977-6-16 18804 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5210  Holcus lanatus John Hunter Thomas 1981-6-4 20672 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near lake. Comment
  POM274869  Holodiscus discolor Lyman D. Benson 1937-8-15 8487 San Mateo Upper San Francisquito Creek, Santa Cruz Mountains. 244 Comment
  RSA112371  Holodiscus discolor Josephine Randall 1907-6-29 336 San Mateo Santa Cruz Peninsula, King's Mountain Road. Comment
  UC311487  Holodiscus discolor A. D. E. Elmer Jun 1903 4274 San Mateo San Mateo Comment
  SEINET10867105  Hookera terrestris Helen M. Edwards 1917-4-12 Edwards s.n. 1917 San Mateo Crystal Sprngs Lake Comment
  POM205104  Hordeum brachyantherum E. B. Copeland 1903-6-10 3304 San Mateo Montara Point. Comment
  RSA181232  Hordeum brachyantherum John H. Thomas 1963-5-20 10111 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  CAS-BOT-BC284674  Hordeum brachyantherum subsp. brachyantherum Javier Penalosa 1963-3-30 2733 San Mateo San Bruno Mountain. North of Randolph Drive at Hillside Blvd. in SSF 289 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
  CAS-BOT-BC289535  Hordeum brachyantherum subsp. californicum Lewis S. Rose 1956-5-7 56070 San Mateo Skyline Blvd. w. of San Mateo 182 Comment
  CAS-BOT-BC289537  Hordeum brachyantherum subsp. californicum Elizabeth McClintock; Paul Reeberg 1988-6-6 s.n. San Mateo Below Guadalupe Canyon Parkway 1/4 mile east of Carter Street, San Bruno Mountains 91 Comment
  JROH5229  Hordeum brachyantherum subsp. californicum John Hunter Thomas 1981-4-27 20510 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5233  Hordeum brachyantherum subsp. californicum John Rawlings 2010-5-5 1059 San Mateo Jasper Ridge Biological Preserve, Stanford University. West edge of California semaphore grass vernal depression 121 Comment
  CAS-BOT-BC285045  Hordeum depressum John Thomas Howell No date on label 28969 San Mateo Redwood City Comment
  SEINET10859740  Hordeum marinum subsp. gussoneanum Delzie Demaree 1932-5-16 Demaree 9139 San Mateo Spring valley lakes. Comment
  POM205100  Hordeum murinum subsp. glaucum Copeland 1903-6-9 3334 San Mateo Montara Point. Comment
  JROH5257  Hordeum murinum subsp. leporinum John H. Thomas 1975-4-18 17783 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA181231  Hordeum murinum subsp. leporinum John H. Thomas 1963-5-20 10152 San Mateo Ano Nuevo Island, 1/2 mile off shore and about 20 miles NW of Santa Cruz. 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-BC271360  Hordeum vulgare Arthur Chan 1981-5-8 070 San Mateo South San Francisco, 1050 Old Mission Road in a vacant lot to the rear of the parking lot Comment
  JEPS44582  Horkelia californica Dr. L. M. Newlon 1921-1 250 San Mateo Above Salata to Mussell Rock (Seashore) Comment
Read comments
1
  RSA498673  Horkelia californica E. A. Purer 1933-7-27 5341 San Mateo Pigeon Point Comment
  SEINET5554737  Horkelia californica H. S. Gentry 1931-1 76 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  RSA784606  Hypericum androsaemum Peter Rubtzoff 1976-6-30 8704 San Mateo San Bruno Mountains:Saddle area on N side of Guadalupe Canyon Parkway west of Radio Road junction. Westernmost part of the area on a slope across fence. Comment
  CAS-BOT-BC311390  Hypochaeris glabra J. H. Thomas 1964-4-30 10338 San Mateo Near intersection of El Camino Real and F St., Colma Comment
  CAS-BOT-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
  JEPS127865  Hypochaeris radicata Adam C. Schneider 2013-5-17 187 San Mateo Crystal Springs Reservoir Comment
  SEINET11259798 Image available Hypochaeris radicata K. Thorne, J. Chandler 1986-7-25 4918 San Mateo Half Moon Bay, 2 miles south of Moss Beach at Dune Beach. Comment
  UC1069667  Hypochaeris radicata G. E. Sindel 1935-7-30 316 San Mateo 2.5 mi nnw Pescadero; Santa Cruz Quad. Comment
  CAS-BOT-BC311493  Hypochaeris radicata Elizabeth McClintock 1965-5-23 s.n. San Mateo San Bruno Mountain. Top ridge east of Nike Station Comment
  UCSB17223  Hypochaeris radicata Schulte, John 1963-4-26 San Mateo Jasper Ridge, 3 miles southwest of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  SEINET10560664  Hystrix californica Adolph D. E. Elmer Elmer 4700 San Mateo Crystal Springs Lake. Comment
  SEINET10560665  Hystrix californica Peter H. Raven 1967-6-25 Raven 21418 San Mateo Pescadera Road 2.8 mi SW of Alpine Road, borders of coniferous forest. 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
  UC1537236  Iris douglasiana Gordon H. True Jr. 1936-4-5 392 San Mateo canyon between San Gregorio and Salada Beach 304 Comment
  UCD138715  Iris douglasiana Janet Jacob 1951-4-1 59 San Mateo 7 miles east of Pescadero. Comment
  SJSU7515  Iris longipetala Lewis S. Rose 1968-3-26 68009 San Mateo S base San Bruno Mts, S San Francisco 30 Comment
  UC1057443  Iris longipetala G. Thomas Robbins 1937-4-11 82 San Mateo slopes above Spring Valley Lake (s of San Francisco) Comment
  JROH4430  Iris pseudacorus John H. Thomas 1961-5-5 9221 San Mateo Jasper Ridge Biological Preserve, Stanford University. Swampy area at edge of Searsville Lake Comment
  UC184381  Isocoma menziesii var. vernonioides Harriet A. Walker 1915-9-19 3833 San Mateo near Uncle Tom's Cabin; road to Burlingame Comment
  CAS-BOT-BC112617  Isolepis cernua Ira L. Wiggins; Roxana S. Ferris 1939-8-2 9290 San Mateo Ano Nuevo Point Comment
  RSA132406  Isolepis cernua John H. Thomas 1959-7-8 8017 San Mateo Pescadero Beach. Comment
  CAS-BOT-BC112606  Isolepis cernua Guy Thomas Robbins 1958-9-1 3934 San Mateo At edge of Cordonices Creek near its mouth, just E of the Eastshore Freeway Comment
  RSA40141  Isolepis cernua L. S. Rose 1948-12-3 48242 San Mateo Ocean Shore Blvd., 6 miles S of San Francisco County line. Comment
  SEINET5716637 Image available Isolepis cernua Shirley C. Tucker 1954-1 3796 San Mateo On sea cliffs, 17 mi. S of San Francisco.; Moss Beach Comment
  SBBG28003  Jaumea carnosa L. S. Rose 1935-8-13 San Mateo Salada Comment
  CAS-BOT-BC340137  Jaumea carnosa Ray Pestrong 1963-11-8 s.n. San Mateo South San Francisco Bay. Near east Palo Alto, Dumbarton Bridge Comment
  JROH2772  Juglans hindsii John Hunter Thomas 1978-7-14 19262 San Mateo Jasper Ridge Biological Preserve, Stanford University; to the west of the low flow crossing of San Francisquito Cr. Comment
  CAS-BOT-BC109970  Juncus Kellogg; Brannan 1870-6-1 s.n. San Mateo San Gregorio Creek. Comment
  UCSC008165  Juncus Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  SEINET8544724  Juncus bufonius Charles Piper Smith 1905-4-1 728 San Mateo Stanford Univ. Roadside near Stockfarm bridge. 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
  UC1101043  Juncus bufonius var. congestus Herbert L. Mason 1949-7-7 14030 San Mateo Mouth of Gazos Creek Comment
  UC1101044  Juncus bufonius var. congestus Herbert L. Mason 1949-7-7 14029 San Mateo Mouth of Gazos Creek Comment
  CDA14198  Juncus bufonius var. congestus J. Ferguson 1998-4-17 PDR 1117376 San Mateo San Francisco Bay Area; Public lawn area in Redwood City. 0 Comment
  JROH4464  Juncus bufonius var. occidentalis John H. Thomas 1971-4-10 15762 B San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4468  Juncus bufonius var. occidentalis John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS63835  Juncus hesperius William S. Cooper 1924-11-19 36 San Mateo Ano Nuevo Pt. Comment
  UC1101029  Juncus hesperius Herbert L. Mason and Verne Grant 1946-8-28 13088 San Mateo s of San Francisco (on Santa Cruz-Daly City Road #5) Comment
  JEPS63809  Juncus lescurii unknown 1925-5-28 3 San Mateo Salada Comment
  POM180973  Juncus occidentalis Kellogg, Brannan 1870-06 s.n. San Mateo San Gregorio Creek. Comment
  UC14912  Juncus occidentalis Joseph Burtt Davy 1893-6-22 761 San Mateo Lake Vilarcitos Comment
  UCD164095  Juncus occidentalis Peter Rubtzoff 1978-5-18 9170 San Mateo San Bruno Mountians.'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Marshy area northwest of Fog Forest. Comment
  UC1101090  Juncus patens Malcolm A. Nobs and S. Galen Smith 1949-8-26 1587 San Mateo about 1 mi s Half Moon Bay Comment
  RSA18498  Juncus patens Carl B. Wolf 1927-7-14 622 San Mateo 1 mile south of summit of Kings Mt on Skyline Drive. Comment
  UC1601805  Juncus phaeocephalus J. Burtt Davy 1893-6-22 756 San Mateo head of Lake Pilarcitos Lake Pilarcitos Comment
  CAS-BOT-BC182761  Juncus phaeocephalus Peter Rubtzoff 1978-7-8 9230 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC182762  Juncus phaeocephalus Peter Rubtzoff 1980-8-4 9561 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Westernmost part of the area on slope across fence. Comment
  CAS-BOT-BC210091  Juncus phaeocephalus Peter Rubtzoff 1978-8-17 9260 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC210092  Juncus phaeocephalus Peter Rubtzoff 1978-8-17 9262 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  UC625335  Juncus phaeocephalus var. paniculatus L. R. Abrams and I. L. Wiggins 1939-6-3 426 San Mateo Ano Nuevo Point Comment
  RSA783800  Juncus phaeocephalus var. paniculatus Peter Rubtzoff 1978-7-8 9226 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  JROH4506  Juncus xiphioides John H. Thomas 1967-6-1 12977 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  JROH5741  Kickxia spuria John Rawlings 2015-10-2 1661 San Mateo Jasper Ridge Biological Preserve, Stanford University; Bear Creek 81 Comment
  JROH4048  Kickxia spuria John Hunter Thomas 1981-10-25 20772 San Mateo Jasper Ridge Biological Preserve, Stanford University; near main gate Comment
  JROH5272  Koeleria macrantha W. Lennihan 1990-5-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Escobar cutoff (Trail 15), left side of trail past exclosure. Comment
  RSA87125  Koeleria macrantha D. D. Keck 1932-5-6 1476 San Mateo Above Millbrae Highlands Comment
  CAS-BOT-BC274288  Lachnagrostis filiformis Ida R. Hayward 1927-7-4 s.n. San Mateo Crystal Springs Lake Comment
  JROH945  Lactuca saligna John H. Thomas 1974-6-30 17459 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC340469  Lactuca saligna Walter Knight; Irja Knight 1963-10-7 328 San Mateo San Bruno Mountain. Cow Trough Ravine Comment
  JROH964  Lagophylla ramosissima John Hunter Thomas 1983-6-2 22331 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD99497  Lamium amplexicaule Ira L. Wiggins 1971-4-27 21108 San Mateo Menolo Park, Vacant Lot Sw corner of Woodland Ave and Pope S. Comment
  JROH2782  Lamium purpureum Toni Corelli 2010-4-28 358 San Mateo Jasper Ridge Biological Preserve, Stanford University; edge of brick pathway from visitors parking lot to field station 120 Comment
  UCR121559  Lapsana communis George K. Helmkamp, E. A. Helmkamp 1999-6-28 4977 A San Mateo Pescadero Creek Watershed, Pescadero Road just north of Loma Mar 107 Comment
  UCSC005963  Lasthenia Randall Morgan 1995-6-6 2729 San Mateo Common at N part of Bean Hollow State Beach Comment
  CAS-BOT-BC339085  Lasthenia californica Roxana S. Ferris 1921-4-7 2128 San Mateo Santa Cruz Mountain Peninsula. San Bruno Mt. 213 Comment
  CAS-BOT-BC339087  Lasthenia californica Kenton L. Chambers 1956-6-20 1046 San Mateo Pebble Beach near Pescadero Point Comment
  CAS-BOT-BC339095  Lasthenia californica Kenton L. Chambers 1956-6-20 1046 San Mateo Pebble Beach near Pescadero Point Comment
  CAS-BOT-BC339048  Lasthenia californica Elizabeth McClintock; Arthur Menzies 1963-2-16 s.n. San Mateo San Bruno Mountain. Below the top of the mountain in the vicinity of the radio station Comment
  CAS-BOT-BC339057  Lasthenia californica Lewis S. Rose 1956-5-28 56081 San Mateo Skyline Blvd w. of San Mateo 182 Comment
  CAS-BOT-BC339068  Lasthenia californica Elizabeth McClintock 1965-3-28 s.n. San Mateo San Bruno Mountain. Area in Devil's Arroyo Comment
  CAS-BOT-BC339080  Lasthenia californica W. R. Dudley 1894-4-13 s.n. San Mateo Santa Cruz Mountain Peninsula. Near top of Black Mountain 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
  JEPS20311  Lasthenia californica subsp. californica Lewis S. Rose 1956-5-28 56081 San Mateo Skyline Blvd. w San Mateo 182 Comment
  CAS-BOT-BC324422  Lasthenia californica subsp. macrantha J. H. Thomas 1949-6-4 582 San Mateo Along coast, 1.4 miles south of road from coast to Pescadero Comment
  CAS-BOT-BC324426  Lasthenia californica subsp. macrantha Adele Lewis Grant 1917-5-6 939 San Mateo Pescadero - Pebble Beach Comment
  CAS-BOT-BC324429  Lasthenia californica subsp. macrantha H. L. Mason 1921-6-1 s.n. San Mateo Pebble Beach near Pescadero Comment
  SEINET11811271  Lasthenia chrysostoma L. K. Henry 1956-1 s.n. San Mateo along Pacific Ocean at Pigeon Point Lighthouse on Rt. 1 Comment
  JEPS18330  Lasthenia glabrata subsp. glabrata Edw. L. Greene 1886-5-11 San Mateo Belmont Comment
  CAS-BOT-BC355549  Lasthenia glabrata var. glabrata Le Roy Abrams 1903-5-11 2456 San Mateo Crystal Springs Comment
  CAS-BOT-BC360403  Lasthenia glabrata var. glabrata Ned Cahill 1974-4-23 166 San Mateo Near intersection of Canada and Edgewood Roads, about 3 mi westward from Redwood City. Comment
  UCD133776  Lasthenia gracilis R. E. Dengler 1960-4-10 4 San Mateo Jasper Ridge, Stanford Biological Reserve. 190 Comment
  UC188985  Lasthenia minor Michener and Bioletti 1892-5-1 San Mateo Cemeteries Comment
  UCD106381  Lathyrus littoralis W. R. Russell 1961-6-5 s.n. San Mateo 1 block west of business district, north end of Pacifica (formerly Sharp Park). Comment
  POM277781  Lathyrus polyphyllus Lyman Benson 1930-5-26 2137 San Mateo Stanford University. Lake Searsville. 152 Comment
  POM19357  Lathyrus vestitus subsp. bolanderi Edward L. Greene 1902-1-15 8231 San Mateo West side Kings Mountain. Comment
  POM19705  Lathyrus vestitus subsp. vestitus C. F. Baker 1903-4-6 1893 San Mateo San Bruno Hills. Comment
  POM163354  Lathyrus vestitus subsp. vestitus R. C. Bacigalupi 1923-5-19 s.n. San Mateo Mt. Hamilton Range. Isabel Creek. Comment
  POM19350  Lathyrus vestitus subsp. vestitus C. F. Baker 1902-5-10 8256 San Mateo Summit of Coast Range. Comment
  UCD106536  Lathyrus vestitus var. ochropetalus A. A. Heller 1907-5-28 8583 San Mateo Back of San Mateo on the Half Moon Bay road. Comment
  CAS-BOT-BC323153  Layia chrysanthemoides David D. Keck 1932-5-6 1487 San Mateo Near Skyline Boulevard, west of Millbrae Highlands. Comment
  CAS-BOT-BC323183  Layia chrysanthemoides Donald A. Johansen 1933-5-27 803 San Mateo Along Skyline Boulevard at junction of side road leading to Burlingame Comment
  RSA103960  Layia chrysanthemoides M. K. Curran 1885-04 s.n. San Mateo Belmont. Comment
  UC89164  Layia chrysanthemoides K. Brandegee 1885-5-1 San Mateo Millbrae Comment
Read comments
Sep 9 2011
  POM298262  Layia chrysanthemoides D. D. Keck 1932-5-6 1487 San Mateo Near Skyline Blvd, W of Millbrae Highlands. Comment
  RSA95542  Layia chrysanthemoides L. S. Rose 1953-4-5 53008 San Mateo Redwood City, along Bayshore Highway. 3 Comment
  CAS-BOT-BC321067  Layia gaillardioides A. D. E. Elmer 1903-6-1 4261 San Mateo Alpine School House Comment
  UC34543  Layia gaillardioides unknown 1888-4-12 San Mateo San Pedro Ranch Comment
  UC990575  Layia gaillardioides James I. McMurphy 1909-5-25 San Mateo above Pulpit Rock; San Mateo Canyon Comment
  CAS-BOT-BC321094  Layia gaillardioides W. R. Dudley 1900-5-19 s.n. San Mateo Santa Cruz Mountain Peninsula, La Honda State Road below Grand View Saloon Comment
  CAS-BOT-BC327458  Layia hieracioides David D. Keck; Wm. M. Hiesey 1940-6-1 5166 San Mateo Skyline Boulevard opposite north end of Lake San Andreas 137 Comment
  CAS-BOT-BC327467  Layia hieracioides John H. Thomas 1950-4-23 1646 San Mateo Ben Lomond Sand Hills, along Quail Hollow Road 152 Comment
  CAS-BOT-BC327484  Layia hieracioides Lewis S. Rose 1936-5-28 36309 San Mateo Emerald Lake, W of Redwood City 91 Comment
  POM53350  Layia hieracioides C. F. Baker 1902-5-4 742 San Mateo Woodside. Comment
  UC828938  Layia hieracioides John Thomas Howell 1938-5-1 13769 San Mateo Colma Canyon Comment
  UC468859  Layia hieracioides Katharine Brandegee 1908-5-1 San Mateo San Bruno Hills Comment
  JROH998  Layia platyglossa John H. Thomas 1975-4-3 17703 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC30671  Layia platyglossa J. Burtt Davy 1895-4-20 1052 San Mateo Lake Pilarcitos Comment
  UC913095  Layia platyglossa David D. Keck 1932-5-6 1491 San Mateo e side Crystal Springs Lake 60 Comment
  CAS-BOT-BC382077  Layia platyglossa George Oberlander 1949-5-21 157 San Mateo On top of Sawyer Ridge Comment
  CAS-BOT-BC382220  Layia platyglossa David D. Keck 1932-6-18 1980 San Mateo Skyline Blvd. at Langley Hill (SW of Stanford University) 600 Comment
  CAS-BOT-BC382225  Layia platyglossa John Thomas Howell 1974-4-11 17130 San Mateo Serpentine area to the SE of Canada Road and Edgewood Road; NW of Woodside 152 Comment
  SD67318  Layia platyglossa Darley F. Howe 1967-4-14 4351 San Mateo 7.0 miles from San Mateo on road to Half Moon Bay. 120 Comment
Read comments
May 24 2013
  UCD69035  Layia platyglossa P. Rodriguez-Rojo 1997-3-27 San Mateo Jasper Ridge. Serpentine annual grasslands. UTM: 10SEM4168 155 Comment
Read comments
Sep 9 2011
  CAS-BOT-BC266607  Legenere limosa W. R. Dudley 1906-5-22 s.n. San Mateo Santa Cruz Mountain Peninsula. Ponds, Coal Mine Ridge Comment
  JEPS33102  Lemna gibba A. D. E. Elmer July, 1903 4765 San Mateo San Pedro Comment
  CAS-BOT-BC534547  Lemna gibba A. D. E. Elmer 1903-7-1 4765 San Mateo San Pedro Comment
  JROH4535  Lemna minor John Hunter Thomas 1978-7-2 19252 San Mateo Jasper Ridge Biological Preserve, Stanford University; on dam Comment
  JROH5594  Lemna minor John Rawlings 2007-7-5 0910 San Mateo Jasper Ridge Biological Preserve, Stanford University. Pool in Bear Creek. 83 Comment
  UC1101256  Lemna valdiviana Malcolm A. Nobs, S. Galen Smith 1949-8-26 1579 San Mateo about 1 mi s of Half Moon Bay Comment
  UCD115359  Lepidium didymum J. D. Skoss 1948-7-25 53 San Mateo San Vicente Canyon near Montara. Comment
  CDA19903  Lepidium latifolium D. Pendleton 2002-5-28 PDR P 120142 San Mateo San Francisco Bay Area; RR & Cedar St across the tracks from roller rink. 0 Comment
  CAS-BOT-BC12599  Lepidium nitidum John H. Thomas 1959-2-23 7519 San Mateo Jasper Ridge, about 5 miles southwest of Palo Alto. 182 Comment
  JEPS127808  Lepidium nitidum Adam C. Schneider with C. Matt Guilliams 2013-4-7 70 San Mateo Along dirt road running parallel to overhead power lines. GPS coordinates approximate. Comment
  JROH1546  Lepidium nitidum John H. Thomas 1977-2-20 18468 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SBBG29869  Lepidium oxycarpum D. D. Keck 1932-3-24 1401 San Mateo Redwood City, at the border of San Francisco Bay Comment
  UC501384  Lepidium perfoliatum David D. Keck 1932-3-24 1400 San Mateo San Francisco Bay border Redwood City Comment
  CAS-BOT-BC12781  Lepidium perfoliatum David D. Keck 1932-3-24 1400 San Mateo Redwood City. At border of San Francisco Bay. Comment
  JROH1558  Lepidium strictum John H. Thomas 1968-3-17 14186 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1561  Lepidium strictum John Hunter Thomas 1981-4-7 20296 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lab Comment
  CAS-BOT-BC226598  Leptosiphon ambiguus C. F. B. 1902-5-4 753 San Mateo Woodside Comment
  JROH3174  Leptosiphon androsaceus L. Fletcher 1986-4-17 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3178  Leptosiphon androsaceus John Rawlings 2013-4-2 1157 San Mateo Jasper Ridge Biological Preserve, Stanford University. Northwest side of small drainage upstream from the upper bridge on Trail 11. 134 Comment
  SD27819  Leptosiphon androsaceus Carl B. Wolf 1929-5-25 3731 San Mateo Pebble Beach, south of Pescadero. Comment
  POM279125  Leptosiphon androsaceus Lyman Benson 1928-4-16 608 San Mateo Searsville Ridge, Stanford U. 152 Comment
  SEINET3861922  Leptosiphon croceus Genevieve K. Walden 2009-6-22 203 San Mateo Moss Beach State Beach, Wylvale Rd. on cliff above beach.; 0 Comment
  UC106861 Image available Leptosiphon croceus Alice Eastwood 1901-5-10 San Mateo Blenheim Comment
  CAS-BOT-BC226623  Leptosiphon grandiflorus W. R. Dudley 1896-7-30 s.n. San Mateo Santa Cruz Peninsula. Summit of hill just beyond La Honda Comment
  CAS-BOT-BC226726  Leptosiphon latisectus W. R. Dudley 1901-5-11 s.n. San Mateo Santa Cruz Peninsula. Land due west of Lake Merced Comment
  POM65524  Leptosiphon latisectus A. D. E. Elmer 1903-04 s.n. San Mateo Cemeteries Comment
  POM65847  Leptosiphon liniflorus C. F. Baker 1902-5-4 760 San Mateo Woodside. Comment
  JROH3189  Leptosiphon parviflorus John H. Thomas 1961-4-8 9077 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC964718  Leptosiphon parviflorus Herbert L. Mason 1935-5-21 8315 San Mateo Pebble Beach Pescadero Comment
  RSA0103657  Leptosiphon parviflorus H. E. Wieser 1929-05 s.n. San Mateo Pebble Beach. Coast Range. 30 Comment
  SD67317  Leptosiphon pygmaeus subsp. continentalis F. Howe 1967-4-14 San Mateo 7 miles from San Mateo on road to Half Moon Bay 399 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
  CAS-BOT-BC324067  Lessingia arachnoidea W. R. Dudley 1896-11-15 s.n. San Mateo Near Crystal Srings Reservoir, Santa Cruz Mountains Comment
  CDA8165  Lessingia arachnoidea M. Knudsen 1982-7-28 San Mateo Crystal Springs Reservoir, just below the dam. 0 Comment
  JEPS40995  Lessingia arachnoidea Lewis S. Rose 1964-9-9 64075 San Mateo w of San Mateo; Crystal Springs Lakes Comment
  SEINET3071639 Image available Lessingia arachnoidea C. F. Baker 1902-9-2 1548 San Mateo Crystal Spring Lake. Comment
  UC1280011  Lessingia arachnoidea Peter H. Raven 1957-9-1 11301 San Mateo along Skyline Boulevard at Woodside Road Comment
  SJSU15430  Lessingia germanorum Toni Corelli 2011-9-14 720 c San Mateo Northeast of Hillside Park, above houses 107 Comment
  JROH1008  Lessingia glandulifera var. glandulifera John H. Thomas 1961-6-7 9532 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1010  Lessingia glandulifera var. glandulifera John H. Thomas 1963-5-15 10091 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1029  Lessingia glandulifera var. glandulifera John Hunter Thomas 1992-5-25 25343 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC324181  Lessingia hololeuca W. R. Dudley 1902-9-21 s.n. San Mateo Whipple Road, near Crystal Springs Lakes Comment
  CAS-BOT-BC324182  Lessingia hololeuca Lewis S. Rose 1964-9-5 64072 San Mateo Emerald Lake, W of Redwood City 152 Comment
  JROH1033  Lessingia hololeuca John H. Thomas 1972-8-18 16153 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM57787  Lessingia hololeuca L. R. Abrams 1900-10 1004 San Mateo Porlota (?) Comment
  UC73895  Lessingia hololeuca J. Burtt Davy Jun 21 1893-Jun 23 1893 San Mateo Pilarcitos Lake and Canyon Comment
  CAS-BOT-BC324186  Lessingia hololeuca Josephine D. Randall 1907-7-15 s.n. San Mateo Near woodside, Santa Cruz Peninsula Comment
  SEINET10958233 Image available Lessingia hololeuca Charles F. Baker 1902-10-20 Baker 1834 San Mateo Small colonies on grassy slopes. Comment
  CAS-BOT-BC330363  Lessingia tenuis David D. Keck 1931-10-5 1276 San Mateo 5 miles from Stanford University Quad. along Los Trancos Creek, on the Portola road. Comment
  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-BC342091  Leucanthemum vulgare Elizabeth McClintock; Paul Reeberg 1987-6-12 s.n. San Mateo San Bruno Mountains. Along road to Camp Silverspot Comment
  CAS-BOT-BC342096  Leucanthemum vulgare W. R. Dudley 1908-6-19 s.n. San Mateo Santa Cruz Mountain Peninsula. Hills north of Jersey Farm 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-BC272288  Leymus X multiflorus W. R. Dudley 1909-10-10 s.n. San Mateo Just west of Belmont Sta., Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC283697  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
  CAS-BOT-BC272324  Leymus mollis W. R. Bentley 1957-5-11 82 San Mateo Along State Highway #1 about 2 miles south of Pescadero Comment
  JEPS17501  Ligusticum apiifolium R. L. Pendleton 1907-4-20 627 San Mateo Colma 182 Comment
  POM132683  Ligusticum apiifolium A. D. E. Elmer 1903-06 4803 San Mateo San Mateo 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-BC173838  Lilaea scilloides Peter Rubtzoff 1975-5-21 7960 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  JROH4688  Lilium pardalinum subsp. pardalinum John Hunter Thomas 1985-4-22 23541 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4689  Lilium pardalinum subsp. pardalinum John Hunter Thomas 1989-6-17 24776 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek Comment
  SD38189  Limnanthes douglasii Edith A. Purer 1933-5-17 3626 San Mateo Skyline Blvd. above Spring Valley Lakes. Comment
  JEPS95209  Limnanthes macounii R. Ornduff 1998-4-12 10168 San Mateo e side of Hwy 1, just s of Etheldore St, opposited Half Moon Bay airport Moss Beach Comment
  UC2046448  Limonium californicum Michael Perlmutter 2011-10-2 s.n. San Mateo Coyote Point Marina. County of San Mateo Department of Parks. Comment
  CDA36129  Limonium perezii Michael Perlmutter 2011-6-15 San Mateo Burlingame, Sanchez Marsh. 0 Comment
  JROH4065  Limosella acaulis John Hunter Thomas 1985-8-7 23707 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1278836  Limosella acaulis J. Clausen 1939-7-1 1744 San Mateo Ano Nuevo Point Comment
  SEINET12279017  Linanthus androsaceus Unknown 1932-1 9020 San Mateo Los Francos Woods Comment
  UC727278  Linanthus androsaceus Ira L. Wiggins 1943-4-21 10164 San Mateo 0.25 mi s jct. of hwy. from Pescadero with coastal road to Santa Cruz Comment
  UC1745718  Linanthus dichotomus Annetta Carter, Helen Sharsmith 1937-5-23 1318 San Mateo E side of Middle Crystal Springs Lake, about 1/2 mi. N of dam. Comment
  SEINET12279071  Linanthus filipes L. S. Rose 1932-1 32140 San Mateo Redwood City Comment
  SEINET3696192 Image available Linanthus liniflorus Lewis S. Rose 1932-5-3 32217 San Mateo San Bruno. 183 Comment
  CDA6305  Linaria purpurea T. C. Fuller 1968-10-3 17659 San Mateo Christie s Crescent Nursery, Half Moon Bay. 0 Comment
  POM166732  Lithocarpus densiflorus var. densiflorus C. F. Baker 1902-10-1 1759 San Mateo Summit of Coast Range. Comment
  JROH3886  Lithophragma affine John H. Thomas 1970-4-4 15543 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC430766  Lithophragma affine Evelina Cannon 1895-3-23 s.n. San Mateo South San Francisco Comment
  CAS-BOT-BC430773  Lithophragma affine Elizabeth McClintock 1963-2-16 s.n. San Mateo Romanzoffia Ravine, San Bruno Mountain Comment
  JROH3892  Lithophragma affine John Hunter Thomas 1983-4-5 21318 San Mateo Jasper Ridge Biological Preserve, Stanford University; below rattlesnake rock Comment
  CAS-BOT-BC430972  Lithophragma bolanderi Le Roy Abrams 1901-4-1 1165 San Mateo near Woodside Comment
  CAS-BOT-BC436221  Lithophragma heterophyllum Ira L. Wiggins 1928-4-14 2900 San Mateo Alpine Creek Road Comment
  CAS-BOT-BC436226  Lithophragma heterophyllum Margaret A. Barry 1937-5-15 92 San Mateo on Coal Mine Ridge Comment
  UC402461  Lithophragma heterophyllum Milo S. Baker May 1904 San Mateo near Burlingame; near Burlingame Comment
  CAS-BOT-BC436222  Lithophragma heterophyllum George Oberlander 1950-4-23 851 San Mateo Pilarcitos Comment
  CAS-BOT-BC342306  Logfia filaginoides Eric Walther 1920-5-1 s.n. San Mateo Woodside Comment
  CAS-BOT-BC342309  Logfia filaginoides Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mountain. South Power Line Ridge Comment
  CAS-BOT-BC342465  Logfia gallica John H. Thomas 1955-4-6 4849 San Mateo East facing slope of San Bruno Mountain just north of South San Francisco 91 Comment
  JROH737  Logfia gallica John H. Thomas 1977-5-14 18607 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC342467  Logfia gallica Peter H. Raven 1950-6-3 2198 San Mateo Along Millbrae Ave., Millbrae 60 Comment
  CAS-BOT-BC173829  Lolium multiflorum Peter Rubtzoff 1976-6-13 8629 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. In area of uppermost part of East Fork Colma Creek, at the northwest corner of Fog Forest. Comment
  CAS-BOT-BC283228  Lolium multiflorum J. W. Tilden 1946-5-29 s.n. San Mateo 3 miles W of Redwood City on Jefferson Ave Comment
  UCD66070  Lolium multiflorum Lewis S. Rose 1966-5-2 66036 San Mateo Emerald Lake, west of Redwood City. 91 Comment
  SEINET10894233  Lolium multiflorum Blackwelder 1932-5-17 BLACKWELDER 108 San Mateo Skyline Boulevard. Comment
  JROH5296  Lolium perenne Toni Corelli 2005-8-1 298 San Mateo Jasper Ridge Biological Preserve, Stanford University. Road H at Bear Creek crossing. 82 Comment
  RSA785895  Lolium perenne subsp. multiflorum Peter Rubtzoff 1977-6-21 9058 San Mateo Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction northwest of Fog Forest. Comment
  UC1714473  Lolium temulentum W. C. Blasdale 1893-6-17 San Mateo Belmont Comment
  UC75213  Lomatium caruifolium var. caruifolium C. F. Baker 1902-3-30 426 San Mateo Crystal Springs Lake Comment
  JROH264  Lomatium dasycarpum subsp. dasycarpum John H. Thomas 1973-4-20 16582 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC21554  Lomatium dasycarpum subsp. dasycarpum L. S. Rose 1965-4-22 65027 San Mateo San Bruno Mountain, S of parking lot 579 Comment
  JROH274  Lomatium macrocarpum John H. Thomas 1962-5-31 9894 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM287764  Lomatium macrocarpum Lyman Benson 1931-3-15 2636 San Mateo Emerald Lake, Redwood City Comment
  UC1143019  Lomatium utriculatum H. S. Yates 1935-5-8 5210 San Mateo 2 mi. n. Langley Hill; Santa Cruz Quad. Comment
  UC1301122  Lomatium utriculatum Helen K. Sharsmith 1963-2-16 5133 San Mateo lower slopes San Bruno Mt. (above Daly City); San Francisco Bay Region, San Bruno Mt. 106 Comment
  POM132877  Lomatium vaginatum A. D. E. Elmer 1903-04 4794 San Mateo Crystal Springs Lake. Comment
  POM132981  Lomatium vaginatum C. F. Baker 1902-4-8 2751 San Mateo San Andreas Lake Comment
  CAS-BOT-BC240593  Lonicera hispidula George Oberlander 1949-5-21 192 San Mateo San Francisco Watershed Reserve. Sawyer Ridge Comment
  CAS-BOT-BC384624  Lonicera hispidula Mary Wicksten 1969-6-24 sn. San Mateo Miwok area - Huddart Park Comment
  JROH1660  Lonicera hispidula John Hunter Thomas 1981-5-25 20639 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET12266796  Lonicera hispidula J. I. Murphy 1906-1 37 San Mateo Kings Mt. Santa Cruz Mts., Santa Cruz Peninsula Comment
  UCR80301  Lonicera hispidula var. vacillans David D. Keck 1932-8-13 1753 San Mateo Santa Cruz Mtns, Alpine Creek Road above Rolph's Ranch, E slope of Mtns 549 Comment
  CAS-BOT-BC243971  Lonicera involucrata var. ledebourii Carl B. Wolf 1929-5-25 3733 San Mateo 2 mi. from Pescadero on Alpine Creek Comment
  UC595117  Lonicera involucrata var. ledebourii David D. Keck 1938-5-30 4726 San Mateo San Gregorio 30 Comment
  CAS-BOT-BC243972  Lonicera involucrata var. ledebourii George Oberlander 1950-4-2 599 San Mateo South boundary, San Franciso Watershed Reserve Comment
  UC1537095  Lotus benthamii Gordon H. True Jr. 1936-4-15 386 San Mateo canyon between San Gregorio and Pescasdero 30 Comment
  RSA187498  Lotus corniculatus John H. Thomas 1954-6-11 4271 San Mateo 0.8 miles north of Pescadero Creek. 30 Comment
  JROH2042  Lotus corniculatus John Hunter Thomas 1977-6-16 18810 San Mateo Jasper Ridge Biological Preserve, Stanford University; in Searsville Lake Comment
  RSA276357  Lotus corniculatus Jane Turner, Francis M. Ball 1962-7-7 1088 San Mateo Highway 1, ca. 10 miles N of Santa Cruz County line. Comment
  POM264394  Lotus formosissimus E. K. Crum 1934-4-29 1701 San Mateo South of Pescadero. 30 Comment
  SEINET2062208 Image available Lotus formosissimus C. W. Sharsmith 1947-4-13 6758 San Mateo Near Pescadero Beach, vicinityof Pescadero Point. 50 Comment
  UC15579  Lotus formosissimus Alice Eastwood Apr 1896 San Mateo between Crystal Springs and Millbrae Comment
  UC81142  Lotus formosissimus Katharine Brandegee Jun 1905 San Mateo Moss Beach near Halfmoon Bay; Moss Beach Comment
  UC203061  Lotus humistratus A. D. E. Elmer 1903-5-1 4722 San Mateo Belmont Comment
  HSC23905  Lotus scoparius Mary Katherine Wicksten 1971-6-21 85 San Mateo Huddart Park Comment
  POM16747  Lotus scoparius var. scoparius A. D. E. Elmer 1903-06 4447 San Mateo San Mateo Comment
  UC202829  Lotus wrangelianus A. D. E. Elmer 1903-5-1 4741 San Mateo Belmont Comment
  UC127029  Lupinus affinis Alice Eastwood April 1896 San Mateo Crystal Springs Comment
  UC1481372  Lupinus affinis Dunn and Brown 1946-5-16 2601 San Mateo 0.7 mi e of the junction with Skyline Blvd at top Canyon Rd (junction being 20.6 mi from bridge on n side of Boulder Creek, summit of rolling hills of San Francisco Peninsula); San Francisco Peninsula, n side Boulder Creek Comment
  SEINET10488443  Lupinus albifrons Charles F. Baker 1902-5-4 Baker UMO 71685 San Mateo Crystal spring. Open sides of gulches, 9-18 dm high Comment
  CAS-BOT-BC195804  Lupinus albifrons var. albifrons Charles Piper Smith 1921-4-9 3291 San Mateo San Mateo Canyon. Half Moon Bay Road 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-BC196113  Lupinus albifrons var. collinus John H. Thomas 1955-4-6 4833 San Mateo East facing slope of San Bruno Mountain just north of South San Francisco 91 Comment
  CAS-BOT-BC196124  Lupinus albifrons var. collinus Elizabeth McClintock; David Schooly; Kim Marcus 1975-4-13 s.n. San Mateo Above Hillside Blvd., South San Francisco Comment
  CAS-BOT-BC196131  Lupinus albifrons var. collinus Alice Eastwood 1914-3-12 3759 San Mateo San Bruno Hills Comment
  RSA800198  Lupinus albifrons var. collinus Robert F. Thorne, Percy C. Everett 1963-6-9 32209 San Mateo On top of San Bruno Mountain, near TV tower. 335 Comment
  UC1300892  Lupinus albifrons var. collinus Helen K. Sharsmith 1963-2-16 5139 San Mateo lower open slopes San Bruno Mountain (above Daly City); San Francisco Bay Region, slopes of San Bruno Mountain 106 Comment
  CAS-BOT-BC196431  Lupinus arboreus Charles Piper Smith 1922-4-1 3462 San Mateo Montara Mountain Comment
  CAS-BOT-BC196432  Lupinus arboreus Charles Piper Smith 1922-4-29 3503 San Mateo Montara Mt., above Lake Pilarcitos Comment
  RSA10284  Lupinus arboreus var. arboreus H. A. Barker 1927-5-14 665 San Mateo North of Half Moon Bay. Comment
  JEPS101819  Lupinus arboreus var. eximius Dean W. Taylor 2000-4-25 17437 San Mateo along dirt road 1 mi W of North Peak, Montara Mountain 411 Comment
  POM11367  Lupinus arboreus var. eximius C. P. Smith 1922-4-29 3503 San Mateo Montara Mountains, above Lake Pilarcitos. Comment
  UCD107185  Lupinus bicolor A. A. Heller 1911-4-12 10250 San Mateo near Stanford University. Comment
  CAS-BOT-BC215067  Lupinus chamissonis Walter & Irja Knight 1965-3-21 973 San Mateo Mouth of Colma Canyon Comment
  SEINET12154528  Lupinus densiflorus var. aureus G. A. McCallum 1933-1 s.n. San Mateo Los Franus ranch Comment
  SD37885  Lupinus formosus var. formosus Edith A. Purer 1933-8-13 5426 San Mateo Near Belmont Comment
  SEINET10490756  Lupinus formosus var. formosus Charles Piper Smith 1922-6-10 Smith 3548 San Mateo South san francisco-mountain road. Comment
  CAS-BOT-BC8331  Lupinus latifolius subsp. dudleyi W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Peninsula, Montara Mts., ear top of South grade Comment
  RSA134073  Lupinus latifolius subsp. latifolius W. R. Dudley 1894-7-9 s.n. San Mateo Summit of Bear Gulch Road. Comment
  JEPS23917  Lupinus latifolius var. latifolius W. R. Dudley 1895-6-7 4232 San Mateo top of ridge between Pescadero and Butano Creek; between Pescadero and Butano Creek Comment
Read comments
Feb 28 2011
  UC75237  Lupinus latifolius var. latifolius C. F. Baker Apr 1903 1929 San Mateo Crystal Springs Lake Comment
  UC75238  Lupinus latifolius var. latifolius C. F. Baker 470 San Mateo Crystal Springs Lake; ; Crystal Springs Lake, San Mateo Co. Comment
  JROH2130  Lupinus nanus John H. Thomas 1976-4-2 18073 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH2137  Lupinus nanus John Hunter Thomas 1983-4-7 21334 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  POM10646  Lupinus nanus subsp. latifolius C. F. Baker 1902-4-12 507 San Mateo San Gregorio 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
  POM11052  Lupinus succulentus A. D. E. Elmer 1903-06 4681 San Mateo San Pedro. Comment
  POM11080  Lupinus succulentus A. D. E. Elmer 1903-04 5021 San Mateo Portola. Comment
  JROH2145  Lupinus succulentus John H. Thomas 1974-4-12 17143 San Mateo Jasper Ridge Biological Preserve, Stanford University; at Escobar gate Comment
  SEINET10490986  Lupinus succulentus var. succulentus Smith 1948-4-23 Smith 48142 San Mateo Hwy 1. San Pedro Point, north grade. Comment
  UC511346  Lupinus variicolor Lyman Benson 1931-3-3 2619 San Mateo Ocean Bluff Moss Beach, Ocean Bluff (Moss Beach) 30 Comment
  UCD109664  Lupinus variicolor Eric Davidson 1971-6-28 331 San Mateo Half Moon Bay State Park. Comment
  CHSC106625  Luzula subsessilis Peter F. Zika 2010-5-1 24790 San Mateo Above SE shore of Alpine Pond, Santa Cruz Mountains, San Francisco Bay (SnFrB) 660 Comment
  UCR279850  Luzula subsessilis Peter Rubtzoff 1976-3-28 8450 San Mateo San Francisco Bay Region, San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction; East Fork Colma Creek Canyon 220 Comment
  CAS-BOT-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
  JROH3367  Lysimachia arvensis John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CHSC28568  Lythrum hyssopifolia M. S. Taylor 1978-5-31 1874 San Mateo Ano Nuevo State Reserve. Comment
  UC1191550  Lythrum hyssopifolia Malcolm A. Nobs, S. Galen Smith 1949-8-26 1578 San Mateo about 1 mi s of Half Moon Bay Comment
  UC796711  Lythrum hyssopifolia Ira L. Wiggins 1949-7-2 12195 San Mateo on Pescadero Beach Pescadero Beach Comment
  RSA0011328  Lythrum hyssopifolia Jane Turner, Francis M. Ball 1962-7-7 1081 San Mateo Highway 1, ca. 10 miles N of Santa Cruz County line. Comment
  RSA0011330  Lythrum hyssopifolia I. L. Wiggins 1949-7-2 12195 San Mateo Pescadero Beach. Comment
  RSA0011332  Lythrum hyssopifolia W. R. Dudley 1906-6-12 s.n. San Mateo W of Tripp s store, Woodside; Santa Cruz Mt Peninsula. Comment
  JEPS79508 Image available Lythrum salicaria Edward Lee 1978-8-24 San Mateo Princeton Marsh Comment
  UC204186  Madia elegans A. D. E. Elmer May 1903 4662 San Mateo Alpine School House Comment
  SD27831  Madia elegans subsp. elegans Carl B. Wolf 1929-5-17 3713 San Mateo 1.0 mile west of Skyline Blvd. on Alpine Road. 305 Comment
  CAS-BOT-BC344498  Madia exigua John H. Thomas 1971-5-2 15867 San Mateo Near intersection of Canada Road and Edgewater Road, about three miles westward from Redwood City 152 Comment
  JROH1057  Madia exigua John Hunter Thomas 1982-7-3 21066 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC344494  Madia exigua George Oberlander 1949-7-30 320 San Mateo San Francisco Watershed Reserve. Near Lower Crystal Spr. Lake Comment
  CAS-BOT-BC343337  Madia gracilis David D. Keck 1932-6-1 1787 San Mateo Above Woodside on the La Honda road, east slope of the Santa Cruz Mtns. 305 Comment
  JROH1072  Madia gracilis D. E. Breedlove 1971-5-31 19342 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH1096  Madia gracilis John Hunter Thomas 1992-5-14 25226 San Mateo Jasper Ridge Biological Preserve, Stanford University; near boat ramp Comment
  POM298352  Madia gracilis D. D. Keck 1932-6-1 1787 San Mateo Above Woodside on the La Honda road, east slope of the Santa Cruz Mountains 305 Comment
  RSA176827  Madia gracilis John H. Thomas 1961-5-5 9222 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto; above Searsville Lake Comment
  RSA176528  Madia gracilis John H. Thomas 1963-6-23 10163 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto; near Westridge end of ridge Comment
Read comments
May 25 2015
  CAS-BOT-BC345125  Madia sativa Walter Knight; Irja Knight; Elizabeth McClintock 1963-9-2 s.n. San Mateo San Bruno Mountain. Radio Road Comment
  CAS-BOT-BC345127  Madia sativa D. E. Breedlove 1973-9-26 35554 San Mateo Pescadero Creek County Park 365 Comment
  JROH1100  Madia sativa John H. Thomas 1971-8-7 16020 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  RSA184909  Madia sativa L. S. Rose 1966-8-6 66078 San Mateo San Bruno Mountain, head of Colma Canyon 213 Comment
  SD38971  Madia sativa Delzie Demaree 1932-5-30 9191 San Mateo Comment
  UCD134343  Madia sativa Lewis S. Rose 1966-8-6 66078 San Mateo San Bruno Mountain, head of Colma Canyon. 213 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
  CAS-BOT-BC512104  Maianthemum racemosum subsp. amplexicaule Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo Romanzoffia ravine; San Bruno Mountain Comment
  CDA33989  Maianthemum stellatum D. G. Kelch, David Gernandt, Steffi Ickert-Bond, Yingli Guo 2011-4-22 11 .15 San Mateo Santa Cruz Mountains.; Skyline Blvd, ~ 5 miles W of Los Altos. Comment
  JROH4715  Maianthemum stellatum John Hunter Thomas 1985-4-25 23569 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA14939  Malacothamnus arcuatus J. T. Howell 1935-4-11 12579 San Mateo West end of Hayward-San Mateo Bridge Comment
  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
  JROH2960  Malacothamnus fasciculatus D. E. Breedlove 1971-5-31 19352 San Mateo Jasper Ridge Biological Preserve, Stanford University. This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  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
  SBBG53017  Malva arborea M. R. Benedict 1978-5-7 San Mateo Moss Beach near Princeton Comment
  SD88536  Malva arborea Darley F. Howe 1972-6-25 San Mateo 7.5 miles north of Half Moon Bay. Comment
  SEINET7247931  Malva arborea Bob Schmalzel 1974-1 s.n. San Mateo Growing along highway 1 200 yards from the Pacific Ocean 9 miles south of Half Moon Bay. 9 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
  RSA433884  Malvella leprosa E. A. Purer 1933-8-13 5424 San Mateo Santa Clara Valley, near Belmont. Comment
  SD39324  Malvella leprosa Edith Purer 1933-8-13 5424 San Mateo Field, Santa Clara Valley near Belmont Comment
  RSA141087  Malvella leprosa John H. Thomas 1960-6-25 8787 San Mateo Redwood City. Along or near a small creek running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street. 8 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
  RSA15241  Marah fabacea C. B. Wolf 1927-2-17 202 San Mateo Los Trancos Creek, 2 miles back of Stanford University. Comment
  CAS-BOT-BC67843  Marsilea vestita Peter H. Raven 1950-6-3 2269 San Mateo San Andreas Lake 121 Comment
  JROH620  Matricaria discoidea John Hunter Thomas 1978-4-25 19154 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC60298  Matthiola incana Elizabeth McClintock; Paul Reeberg 1988-3-15 s.n. San Mateo San Bruno Mountains. Entrance to Olivet Ravine. Comment
  CAS-BOT-BC422674  Meconella californica C. F. Baker 1902-4-6 457 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC422678  Meconella californica A. D. E. Elmer 1903-4-1 4499 San Mateo San Mateo toward Crystal Springs Comment
  JROH2153  Medicago arabica John Hunter Thomas 1984-5-3 23340 San Mateo Jasper Ridge Biological Preserve, Stanford University; below Rattlesnake Rock Comment
  JROH2164  Medicago polymorpha John H. Thomas 1967-5-10 12840 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2168  Medicago polymorpha John H. Thomas 1974-4-19 17161 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  CAS-BOT-BC157964  Medicago polymorpha var. brevispina Peter Rubtzoff 1978-7-8 9236 San Mateo San Bruno Mountains. Saddle area on N side of Guadalupe Canyon Parkway west of Radio Road junction Comment
  CAS-BOT-BC269474  Melica californica L. R. A. 1902-5-4 2407 San Mateo Woodside Comment
  POM87694  Melica californica Le Roy Abrams 1902-5-4 2407 San Mateo Woodside. Comment
  JROH5300  Melica imperfecta D. D. Davis 1903-4-5 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. North slope on Searsville Ridge. Comment
  CAS-BOT-BC264252  Melica torreyana W. R. Dudley 1900-3-16 s.n. San Mateo By road up Kings Mt., Santa Cruz Mountain Peninsula Comment
  JROH5314  Melica torreyana John H. Thomas 1970-4-29 15615 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5318  Melica torreyana John Hunter Thomas 1992-5-14 25233 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near boat ramp. Comment
  CAS-BOT-BC264251  Melica torreyana W. R. Dudley 1900-3-18 s.n. San Mateo By road to Jersey Farm, Santa Cruz Mountain Peninsula Comment
  JROH2802  Melissa officinalis Carol Zabel 1989-8-7 21 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 13, half way from causeway bridge to Leonard's bridge, north side of trail Comment
  UC1714386  Mentha pulegium U. S. Grant IV 1926-9-6 San Mateo King's Mt. 609 Comment
  JROH2815  Mentha pulegium John Hunter Thomas 1979-9-9 19711 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  RSA135751  Mercurialis annua John H. Thomas 1955-11-9 5503 San Mateo Fallow Brussel Sprout field near Sanchez Adobe House, San Pedro Valley, about 8.5 miles south of San Francisco - San Mateo County line, and 0.9 mile inland from the ocean. Comment
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Aug 8 2010
  JROH3905  Micranthes californica D. D. Davis 1903-3-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1119  Micropus californicus var. californicus John H. Thomas 1958-5-10 7152 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-BC348720  Microseris bigelovii John H. Thomas 1966-4-30 11591 San Mateo Bluffs at San Gregorio Beach Comment
  CAS-BOT-BC348764  Microseris bigelovii E. L. Greene 1886-5-10 s.n. San Mateo Near Belmont Comment
  CAS-BOT-BC349029  Microseris douglasii subsp. douglasii Ned Cahill 1974-4-19 150 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC349038  Microseris douglasii subsp. douglasii Elizabeth McClintock 1978-4-24 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  UC50013  Microseris douglasii subsp. tenella E. L. Greene 1886-5-9 San Mateo Belmont Comment
  CAS-BOT-BC349140  Microseris douglasii subsp. tenella Kenton L. Chambers 1953-5-5 457 San Mateo Bayshore Hwy., 1.5 mi. n. of Dumbarton Bridge Road intersection Comment
  CAS-BOT-BC349147  Microseris douglasii subsp. tenella L. R. Abrams 1918-4-30 7212 San Mateo San Bruno Hills, Bay Shore [Bayshore] road Comment
  JROH1154  Microseris douglasii subsp. tenella Duncan M. Porter 1960-4-22 657 A San Mateo Jasper Ridge Biological Preserve, Stanford University; meadow near crest of N-facing slope above Webb Ranch. Quadrat H-3 Comment
  JROH4071  Mimulus aurantiacus var. aurantiacus Richard L. Garber 1971-5-18 21 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4073  Mimulus aurantiacus var. aurantiacus John H. Thomas 1974-5-29 17405 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  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
  RSA420292  Mimulus aurantiacus var. aurantiacus Glenn A. Gorelick 1967-5-24 s.n. San Mateo San Bruno Mountains, overlooking Daly City near San Francisco Comment
  JROH4081  Mimulus cardinalis John Hunter Thomas 1992-5-26 25358 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing 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
  SEINET5561542  Mimulus guttatus H. S. Gentry 1931-1 93 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  SEINET12269870  Mimulus guttatus var. grandis Unknown 1932-1 9123 San Mateo Half Moon Bay 0 Comment
  CAS-BOT-BC174578  Minuartia californica Alice Eastwood 1914-3-12 s.n. San Mateo San Bruno Hills Comment
  JROH1701  Minuartia douglasii John H. Thomas 1971-4-10 15752 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC214080  Monardella villosa Margaret A. Barry 1937-6-22 158 San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC214085  Monardella villosa Josephine D. Randall 1907-6-8 179 San Mateo Portola Valley, Santa Cruz Peninsula Comment
  RSA176713  Monardella villosa John H. Thomas 1963-6-23 10166 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles SW of Palo Alto Comment
  CAS-BOT-BC214064  Monardella villosa Lewis S. Rose 1965-6-15 65080 San Mateo South of parking lot near summit, San Bruno Mountain 365 Comment
  SEINET10582381  Monardella villosa subsp. franciscana A. Graff 1993-7-13 Graff 188 San Mateo Devil's Slide, in arroyos on inland side of Hwy. 1. Mostly past bloom. Coastal scrub. Comment
  SEINET10582385  Monardella villosa subsp. franciscana A. Graff 1993-6-14 Graff 1 San Mateo 0.2 miles down Bean Hollow Road south 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
  JROH2841  Monardella villosa subsp. villosa Raymond R. White 1974-5-30 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1158  Monolopia gracilens D. E. Breedlove 1971-5-11 19333 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
  CAS-BOT-BC349588  Monolopia major W. R. Dudley 1894-4-21 s.n. San Mateo Ravine of San Mateo Creek Comment
  CAS-BOT-BC445194  Montia parvifolia A. D. E. Elmer 1903-5-1 4577 San Mateo Iverson's Place Comment
  CAS-BOT-BC508578  Muilla maritima John H. Thomas 1949-4-1 216 San Mateo West of Redwood City Comment
  CHSC57071  Myosotis latifolia Steven Triano 1988-5-24 185 San Mateo Along se side of Old La Honda Road ca 0.5 air miles e of Sky Londa. 405 Comment
  JROH1398  Myosotis latifolia John Hunter Thomas 1983-4-5 21326 San Mateo Jasper Ridge Biological Preserve, Stanford University; low-flow crossing Comment
  UC1101504  Myriophyllum sibiricum Herbert L. Mason and Verne Grant 1946-8-28 13079 San Mateo Sag Pond N of San Francisco County Prison. Comment
  CAS-BOT-BC260227  Nassella pulchra Ned Cahill 1974-4-29 180 San Mateo Near the intersection of Canada and Edgewood roads, about 3 miles W from Redwood City Comment
  RSA185012  Nassella pulchra L. S. Rose 1963-4-27 63000 San Mateo Skyline Blvd, open hills west of San Mateo. 91 Comment
  UC101994  Navarretia heterodoxa Alice Eastwood Jun 1897 San Mateo Crystal Springs Comment
  UCD78193  Navarretia heterodoxa Robert E. Preston 2008-6-11 2641 a San Mateo Between Lower Crystal Springs Reservoir and Skyline Blvd, ca. 0.5 mi S of jct Skyline Blvd and Golf Course Rd 117 Comment
  SD38213  Navarretia squarrosa Edith A. Purer 1933-7-27 5346 San Mateo Partially stabilized sand dunes near Pigeon Point Comment
  SEINET3861929  Navarretia squarrosa Genevieve K. Walden 2009-5-21 140 San Mateo Pillar Point, north of Vandenberg Radar Base, along trails of public access land.; 0 Comment
  UCSC007750  Nemophila humifusa Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  RSA101011  Nemophila menziesii var. atomaria G. Oberlander 1950-4-2 569 San Mateo Near San Andreas Lake, San Francisco Watershed Reserve Comment
  RSA15266  Nemophila menziesii var. menziesii Carl B. Wolf 1927-3-2 230 San Mateo Above Searsville Lake. Comment
  CAS-BOT-BC219473  Nemophila parviflora Alice Eastwood 1933-5-14 18849 San Mateo Woodside, woods near Schillings place Comment
  RSA152238  Nemophila parviflora var. parviflora I. L. Wiggins 1925-04 1670 San Mateo First bridge across small creek on Kings Mountain Road above Woodside Comment
  UCSC008907  Nemophila pedunculata Randall Morgan 2014-5-4 5599 San Mateo Ano Nuevo State Park Comment
  UCSC007766  Nuttallanthus texanus Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC389684  Oemleria cerasiformis Jeanie Nieri 1953-1-31 s.n. San Mateo Huddart Park Comment
  JEPS44826  Oemleria cerasiformis W. L. Jepson 1922-3-19 9542 San Mateo Lake San Andreas 182 Comment
  JROH3706  Oemleria cerasiformis John H. Thomas 1965-2-22 10552 San Mateo Jasper Ridge Biological Preserve, Stanford University. Above edge of Searsville Lake Comment
  SJSU8083  Oemleria cerasiformis S. H. Casey 1969-5-18 261 San Mateo 0.25 SE of San Bruno Mt summit Comment
  JROH283  Oenanthe sarmentosa James McMurphy 1906-8-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Comment
  HSC23991  Oenothera elata subsp. hookeri Mary Katherine Wicksten 1971-6-27 125 San Mateo Princeton, by Hwy. 1 Comment
  SJSU15793  Orobanche fasciculata Toni Corelli 2010-7-8 642 San Mateo Bean Hollow State Beach along Arroyo de los Frijoles Trail 10 Comment
  POM49738  Orthocarpus densiflorus L. R. Abrams 1902-5-11 2455 San Mateo Crystal Lake. Comment
  RSA40251  Orthocarpus densiflorus L. S. Rose 1948-5-16 48113 San Mateo Emerald Lake, west of Redwood City. 152 Comment
  POM126837  Orthocarpus erianthus var. roseus R. L. Pendleton 1907-4-20 618 San Mateo Ocean View. 122 Comment
  JROH298  Osmorhiza berteroi John Hunter Thomas 1986-5-1 23998 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA119325  Osmorhiza berteroi S. S. Tillett, I. Sternback 1956-6-24 540 San Mateo Middleton property, behind (N.) Portola Camp Store, just outside Portola State Park. 396 Comment
  RSA152259  Osmorhiza berteroi I. L. Wiggins 1925-04 1681 San Mateo First bridge across small creek on Kings Mountain Road above Woodside Comment
  JROH3091  Oxalis micrantha John Rawlings 2013-4-3 1161 San Mateo Jasper Ridge Biological Preserve, Stanford University; restricted to a small area on verge of Trail 11 in chaparral 143 Comment
  POM202649  Oxalis oregana Alice Eastwood 1933-5-31 s.n. San Mateo Butano Canyon. Comment
  JROH3093  Oxalis pes-caprae Toni Corelli 2012-2-28 379 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 5 along south side of upper section of trail 121 Comment
  RSA76963  Oxalis pes-caprae Mabel Peirson 1926-2-24 8218 San Mateo South of Colma Comment
  CAS-BOT-BC318251  Packera breweri W. R. Dudley 1893-5-3 s.n. San Mateo Foothills near Stanford University. Comment
  UC1101573  Parapholis incurva Malcolm A. Nobs and S. Galen Smith 1949-8-26 1604 San Mateo Hwy 1, 0.6 mi n Pigeon Point Comment
  UC1101574  Parapholis incurva Malcolm A. Nobs and S. Galen Smith 1949-8-24 1566 San Mateo marshes at Sharp Park; marshes at Sharp Park Comment
  JROH5346  Paspalum distichum John H. Thomas 1978-9-24 19340 San Mateo Jasper Ridge Biological Preserve, Stanford University. East end of dam. Comment
  UC1101567  Paspalum distichum Verne Grant and Herbert L. Mason 1946-8-28 13085 San Mateo at entrance to San Francisco County Prison Comment
  JROH1405  Pectocarya pusilla Toni Corelli 2004-4-18 270 San Mateo Jasper Ridge Biological Preserve, Stanford University. On trail 9 182 Comment
  LA209468  Pedicularis densiflora L. R. Abrams; 1914-3-1 5058 San Mateo Kings Mountain Road 152 Comment
  JROH4106  Pedicularis densiflora Duncan M. Porter 1961-1-18 736 San Mateo Jasper Ridge Biological Preserve, Stanford University; Westridge end of Jasper Ridge Comment
  RSA401968B  Pedicularis densiflora A. C. Life 1924-2-22 14599 San Mateo Kings Mt. Redwood Park. Huckleberry trail. Comment
  CAS-BOT-BC207028  Pelargonium vitifolium Roland M. Block 1894-5-1 s.n. San Mateo King's Mountain Comment
  JROH104  Pellaea mucronata var. mucronata W. R. Dudley 1895-2-3 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Rocks near Searsville Reservoir Comment
  JROH1163  Pentachaeta alsinoides John Hunter Thomas 1989-5-9 24713 San Mateo Jasper Ridge Biological Preserve, Stanford University. [Along Rd. F] 166 Comment
  UC88019  Pentachaeta alsinoides E. L. Greene 1886-5-9 San Mateo Belmont Comment
  CAS-BOT-BC330498  Pentachaeta bellidiflora J. H. Thomas 1974-4-11 17133 San Mateo SE of Canada Road and Edgewood Road, NW of Woodside. 152 Comment
  POM88666  Pentachaeta exilis L. R. Abrams 1902-4-13 2326 San Mateo San Andreas Lake. Comment
  CAS-BOT-BC77012  Pentagramma triangularis subsp. triangularis David D. Keck 1932-2-12 1365 San Mateo La Honda Road, east slope of Coast Range above Searsville Lake. 304 Comment
  CAS-BOT-BC222704  Perideridia gairdneri subsp. gairdneri Ira L. Wiggins; Roxana S. Ferris 1939-8-2 9295 San Mateo Ano [Ano] Nuevo Point Comment
  JROH306  Perideridia kelloggii D. E. Breedlove 1971-7-30 19770 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH313  Perideridia kelloggii John Hunter Thomas 1983-7-20 22905 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC413608  Persicaria amphibia A. D. E. Elmer 1903-7-1 4650 San Mateo San Pedro Comment
  JROH3245  Persicaria amphibia John H. Thomas 1964-10-2 10510 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Searsville Lake near bridge. Comment
  JROH3268  Persicaria lapathifolia W. R. Dudley 1909-10-31 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake. Comment
  JROH3276  Persicaria maculosa John Hunter Thomas 1980-11-27 20196 San Mateo Jasper Ridge Biological Preserve, Stanford University. Old bathing beach area. Comment
  JROH3286  Persicaria punctata John Hunter Thomas 1991-11-21 25101 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low-flow crossing of San Francisquito Creek. Comment
  CAS-BOT-BC330310  Petasites frigidus var. palmatus L. R. Abrams 1904-3-7 s.n. San Mateo Santa Cruz Mountain Peninsula. Bear Gulch Comment
  CDA8457  Petasites frigidus var. palmatus T. C. Fuller 1960-4-2 4084 San Mateo Alpine Road, 0.8 mile east of Pescadero Road, 2.8 miles southeast of La Honda. 0 Comment
  CDA8458  Petasites frigidus var. palmatus T. C. Fuller 1960-4-2 4084 San Mateo Alpine Road, 0.8 mile east of Pescadero Road, 2.8 miles southeast of La Honda. 0 Comment
  POM65455  Phacelia californica A. D. E. Elmer 1903-04 4855 San Mateo Crystal Springs Lake. Comment
  RSA149147  Phacelia distans John H. Thomas 1961-5-13 9334 San Mateo Franklin Point. Comment
  UC881073  Phacelia distans Lewis S. Rose 1939-4-13 39065 San Mateo near Crystal Springs Lake; San Mateo Canyon 60 Comment
  UC881081  Phacelia distans Alice Eastwood 1912-6-10 337 San Mateo Crystal Springs Comment
  JEPS2344  Phacelia divaricata W. L. Jepson 1914-3-22 5733 San Mateo Redwood City Comment
  UC1084388  Phacelia divaricata G. Thomas Robbins 1937-4-11 96 San Mateo near Spring Valley Lakes (along road to Woodside) Comment
  OBI13755  Phacelia malvifolia Lewis S. Rose 1965-5-3 65057 San Mateo San Bruno Mtn, Colma Cyn 61 Comment
  CDA40397  Phacelia nemoralis E. L. Labadie Jr. 1961-6-6 s.n. San Mateo Burlingame. 0 Comment
  CAS-BOT-BC154292  Phacelia ramosissima Class Collection 1940-1-1 s.n. San Mateo Dunes, Ano Nuevo Point Comment
  JROH5361  Phalaris aquatica John Hunter Thomas 1982-6-7 21029 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5363  Phalaris aquatica John Hunter Thomas 1982-7-2 21058 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low-flow crossing. Comment
  JROH5375  Phalaris aquatica W. Lennihan 1989-5-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Just to right before causeway at Whiskey Hill, on San Francisquito Creek. Comment
  JROH5643  Phalaris brachystachys John Rawlings 2014-6-7 1263 San Mateo Jasper Ridge Biological Preserve, Stanford University; 100 yards west from Escobar Gate, 20 yards north of Road F 161 Comment
  CAS-BOT-BC258999  Phalaris californica Elizabeth McClintock; David Schooly; Kim Marcus 1975-4-13 s.n. San Mateo San Bruno Mountain. Above Hillside Blvd., South San Francisco Comment
  CAS-BOT-BC259004  Phalaris californica Walter Knight; Irja Knight 1964-5-30 s.n. San Mateo San Bruno Mountain. Colma Canyon Comment
  JEPS101195  Phalaris californica Dean W. Taylor 1987-8-20 9313 San Mateo Cascade Ranch State Park, between Whitehorse Creek and Cascade Creek, at crest of north facing hil 188 Comment
  UCD88577  Phalaris californica P. B. Kennedy 1928-5-2 s.n. San Mateo E of Daly City. Comment
  RSA681616  Philadelphus lewisii Deb Annuschka 1989-6-13 239 San Mateo YBN [Yerba Buena Nursery] next to lath house. Comment
  JROH5385  Phleum pratense John Rawlings 2009-7-1 1023 San Mateo Jasper Ridge Biological Preserve, Stanford University. Bear Creek. 82 Comment
  UC52847  Phlox gracilis J. Burtt Davy Jun 21 1893-Jun 23 1893 1044 San Mateo Pilarcitos Lake and Canyon Comment
  CAS-BOT-BC222502  Pholistoma auritum var. auritum Miss E. Cannon No date on label s.n. San Mateo South San Francisco Comment
  SD38530  Pholistoma auritum var. auritum Marie Cummings 1933-4-24 3729 San Mateo San Francisquito Creek, San Mateo and Santa Clara Cos. Comment
  UC2056117  Phyllospadix scouleri K. Dickey 2015-6-18 San Mateo Pescadero, beds south of promontory Comment
  CAS-BOT-BC452027  Phyllospadix torreyi Duncan M. Porter 1960-5-12 s.n. San Mateo At the foot of Beach Street, Moss Beach. Comment
  CAS-BOT-BC142179  Physocarpus capitatus A. D. E. Elmer 1903-7-1 4804 San Mateo Portola Comment
  RSA112459  Physocarpus capitatus L. Henderson 1928-4-26 s.n. San Mateo Strawberry bend near Corte Madera cr. Comment
  SD37695  Physocarpus capitatus Edith A. Purer 1933-5-9 3604 San Mateo Stevens Creek Comment
  JROH2202  Pickeringia montana var. montana John H. Thomas 1975-6-5 17937 San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack Comment
  RSA15202  Pickeringia montana var. montana Carl B. Wolf 83 San Mateo On the La Honda Grade. Comment
  RSA18288  Pickeringia montana var. montana Carl B. Wolf 429 San Mateo East slope of Kings Mt. Comment
  JEPS121040  Pinus radiata Adam C. Schneider with C. Matt Guilliams 2013-3-8 40 San Mateo Crystal Springs Reservoir, Northern part of western margin of San Francisco Public Utilities Commission land. Comment
  JROH120  Pinus radiata John Hunter Thomas 1977-5-19 18616 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  LA16839  Pinus radiata C. B. Wolf; 1934-11-9 6439 San Mateo Ano Nuevo Point to Pigeon Point 45 Comment
  CAS-BOT-BC136530  Piperia candida W. R. Dudley 1905-6-18 s.n. San Mateo Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC389707  Piperia elegans L. Sigal 1969-8-1 51 San Mateo Field redacted by CAS, contact the data manager for more information Comment
  UCSC004667  Piperia michaelii Randall Morgan 1992-1 1 .99E+11 San Mateo Pacifica, Rockaway Beach Comment
  CAS-BOT-BC254388  Piptatherum miliaceum Ira L. Wiggins 1980-8-29 22256 San Mateo Lower bank of San Francisquito Creek, ca. 150 m upstream from Pope Street bridge, Menlo Park Comment
  CAS-BOT-BC228133  Plagiobothrys chorisianus John Thomas Howell 1938-5-1 13784 San Mateo Near South San Francisco 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
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Aug 22 2013
  UC24559  Plagiobothrys chorisianus Alice Eastwood Apr 1896 San Mateo Crystal Springs Comment
  CAS-BOT-BC228116  Plagiobothrys chorisianus Daniel Cohen 1953-5-9 77 San Mateo Top of sea cliff at Pescadero Comment
  CAS-BOT-BC228119  Plagiobothrys chorisianus David D. Keck 1932-4-18 1435 San Mateo On the shore of San Francisco Bay, Burlingame 2 Comment
  POM190562  Plagiobothrys chorisianus D. D. Keck 1932-4-18 1435 San Mateo Burlingame, on the shore of San Francisco Bay. 2 Comment
  RSA128818  Plagiobothrys chorisianus var. chorisianus W. R. Dudley 1896-4-4 s.n. San Mateo Near Crystal Springs Lake Comment
  JROH1425  Plagiobothrys nothofulvus John H. Thomas 1970-4-4 15542 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA8609  Plagiobothrys nothofulvus I. L. Wiggins 1933-4-17 6651 San Mateo Emerald lake Hills 2 miles W of Redwood City. Comment
  HSC16818  Plantago coronopus R. E. Jones 1966-4-4 35 San Mateo Ano Nuevo Beach Comment
  JEPS127787  Plantago erecta Adam C. Schneider with C. Matt Guilliams 2013-4-7 58 San Mateo Along dirt road running parallel to overhead power transmission lines. GPS coordinates approximate. Comment
  JROH5932  Plantago erecta L. Nordby 1982-4-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Top of Jasper Ridge Comment
  OBI11658  Plantago erecta Lewis S. Rose 1965-5-3 65056 San Mateo San Bruno Mtn, North end 183 Comment
  RSA278542  Plantago erecta subsp. erecta T. C. Emmel 1965-4-4 32 San Mateo San Bruno Hills, above Daly City and Brisbane. Comment
  JROH5882  Plantago lanceolata J. C. Gaither Jr. 1982-4-18 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; inside Sand Hill Road gate near old motorcycle racetrack Comment
  RSA176766  Plantago maritima John H. Thomas 1963-5-20 10139 San Mateo Ano Nuevo Island, 1/2 mile off shore and about 20 miles NW of Santa Cruz. Comment
  SEINET12284426  Plantago maritima Unknown 1933-1 10441 San Mateo near Pigeon Point Comment
  JEPS22008  Plantago maritima var. californica G. Thomas Robbins 1958-6-9 3872 San Mateo about 0.5 mi s Pescadero Point (above the beach at Pebble Beach); Pebble Beach Comment
  JEPS4905  Plantago subnuda G. Thomas Robbins 1953-8-29 3616 San Mateo 1.5-2.0 mi s San Francisco City and County line (along State Highway 1) Comment
  CAS-BOT-BC92018  Platystemon californicus A. A. Heller 1907-4-20 8445 San Mateo Near Lake Merced. Comment
  CAS-BOT-BC92015  Platystemon californicus John H. Thomas 1969-4-24 14904 San Mateo near Canada College, Redwood City, near Farm Hill Drive. Comment
  JROH4250  Plectritis macrocera John H. Thomas 1971-4-24 15773 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC416761  Plectritis macrocera J. Burtt Davy 1893-6-17 783 San Mateo Belmont Comment
  UC766305  Plectritis macrocera R. F. Hoover 1941-4-23 4908 San Mateo Redwood City Comment
  CAS-BOT-BC260960  Pleuropogon californicus var. californicus J. I. McMurphy 1906-5-8 s.n. San Mateo Pond near head of Crystal Sprins Laks on road from Woodside to Byrne's Store, Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC260965  Pleuropogon californicus var. californicus George Oberlander 1950-6-3 614 San Mateo San Francisco Watershed Reserve Comment
  JEPS71266  Poa annua unknown 1919-7-22 211 San Mateo Ano Nuevo Comment
  UC1537245  Poa annua Gordon H. True Jr. 1937-3-31 619 San Mateo Salada Beach Rd 60 Comment
  JEPS21703  Poa douglasii W. R. Dudley 1900-3-18 San Mateo San Pedro Beach Comment
  JROH5411  Poa howellii John Rawlings 2012-5-1 1071 San Mateo Jasper Ridge Biological Preserve, Stanford University. Uphill side of Road E on steep north-facing slope of the big inlet. 112 Comment
  JROH5413  Poa howellii John Rawlings 2013-4-16 1137 B 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
  CAS-BOT-BC243120  Poa secunda subsp. secunda W. R. Dudley 1900-3-16 s.n. San Mateo By Redwood stage road Comment
  CAS-BOT-BC243125  Poa secunda subsp. secunda Roxana S. Ferris 1921-3-20 2174 San Mateo Road over divide from Alpine Creek to Pescadero Creek 304 Comment
  CAS-BOT-BC243127  Poa secunda subsp. secunda George Thomas Oberlander 1950-4-16 653 San Mateo San Francisco Watershed Reserve. Cahill Ridge Comment
  RSA785877  Poa trivialis Peter Rubtzoff 1977-6-7 9030 San Mateo Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC244251  Poa unilateralis Louis F. Pitelka 1973-4-30 s.n. San Mateo Bolsa Point, about 1 mile N of Pigeon Point and about 39 miles S of San Francisco Comment
  CAS-BOT-BC244252  Poa unilateralis Dr. E. B. Copeland 1903-6-17 3306 San Mateo Montara Point Comment
  SJSU15794  Poa unilateralis subsp. unilateralis Toni Corelli 2010-7-8 643 San Mateo Bean Hollow State Beach along Arroyo de los Frijoles Trail 10 Comment
  CAS-BOT-BC474768  Pogogyne serpylloides Robert E. Preston 2011-6-16 2865 San Mateo Santa Cruz Mountains. Oil Creek watershed, 1.8 mi NW of Waterman Gap 268 Comment
  JROH2866  Pogogyne serpylloides John Hunter Thomas 1985-5-7 23641 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS85226  Pogogyne serpylloides Roy E. Buck and James A. West 1985-6-3 532 San Mateo Cascade Ranch. On old ranch road S of Whitehouse Canyon Rd. Just E of minor gulch draining SSE into small lake ca. 2.1 air km NE of Whitehouse Canyon Rd. CA Hwy. 1 junction 3.2 air km ENE of Franklin Point. 97 Comment
  SDSU7050  Pogogyne serpylloides D. F Howe 1969-6-10 San Mateo 18.5 miles north of San Mateo- Santa Cruz Co. Line on #1, San Mateo Co. Comment
  CAS-BOT-BC232874  Polemonium carneum Mrs. E. C. Sutliffe 1921-4-3 s.n. San Mateo Lake Pilarcitos Comment
  UC23974  Polemonium carneum C. T. Blake 1893-5-27 San Mateo Pilarcitos Reservoir Comment
  POM204332  Polygala californica I. L. Wiggins 1929-7-4 3781 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  CAS-BOT-BC173595  Polygonum arenastrum Peter Rubtzoff 1975-10-11 8421 A San Mateo Pond northwest of and across Old Guadalupe Road from Saddle area (which is located on north side of Guadalupe Canyon Parkway west of Radio Road junction). Comment
  CAS-BOT-BC413757  Polygonum argyrocoleon John Thomas Howell 1953-6-3 29057 San Mateo Bayshore Highway, Redwood City Comment
  CAS-BOT-BC414109  Polygonum aviculare subsp. aviculare George Oberlander 1949-7-24 316 San Mateo San Francisco Watershed Reserve. Cahill Ridge Comment
  CAS-BOT-BC414236  Polygonum aviculare subsp. depressum Ira L. Wiggins 1980-8-29 22251 San Mateo Sandy bed of San Francisquito Creek, 100--200 m upstream from Pope Street Bridge, Menlo Park Comment
  POM192783  Polygonum lapathifolium W. R. Dudley 1909-10-31 s.n. San Mateo Searsville Lake. The Santa Cruz Mtn Peninsula. Comment
  UC150374  Polypodium C. F. Baker 1902-1-15 235 San Mateo w side King's Mt. Comment
  CAS-BOT-BC76914  Polypodium californicum John H. Thomas 1958-3-19 7059 San Mateo San Bruno Mountain, just north of South San Francisco. 91 Comment
  JROH78  Polypodium californicum John H. Thomas 1970-1-1 15497 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  CAS-BOT-BC72061  Polypodium calirhiza Javier Penalosa 1963-3-9 2700 San Mateo Ravine 1/2 mi. East of 1314 ft. summit 304 Comment
  JEPS79496  Polypodium glycyrrhiza Edward Lee with A. Carter, E. Crum, and C. Belshaw 1936-1-26 1721 San Mateo 2.6 mi out of Woodside (e side Cahill Ridge, Kings Mt. Rd.) Comment
  UC62435  Polypodium scouleri W. C. Blasdale 1893-6-23 San Mateo San Mateo Comment
  UC931949  Polypodium scouleri Verne Grant and Alva Grant 1946-8-30 7851 San Mateo ranch 1 mi s of Daly City (on Hwy. 5) Comment
  CAS-BOT-BC72106  Polypodium scouleri Dustin Chivers 1963-9-22 s.n. San Mateo Chinese Cemetery Rd., 100 yards east of intersection of this road and Skyline Blvd., Colma Comment
  UC42915  Polypodium scouleri J. Burtt Davy 1893-6-22 San Mateo top of Pilarcitos Comment
  CAS-BOT-BC233156  Polypogon interruptus A. D. E. Elmer 1903-7-1 4694 San Mateo Pilarcitos Stone Dam Comment
  JROH5430  Polypogon interruptus John H. Thomas 1962-7-15 9921 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek below dam. Comment
  JROH5437  Polypogon interruptus John Rawlings 2011-10-7 1087 San Mateo Jasper Ridge Biological Preserve, Stanford University. San Francisquito Creek bed downstream from the bridge across Road C. 85 Comment
  UC203508  Polypogon interruptus A. D. E. Elmer July, 1903 4694 San Mateo Pilarcitos Stone Dam Comment
  UC767859  Polypogon interruptus R. F. Hoover 1940-9-1 4550 San Mateo La Honda summit Comment
  CAS-BOT-BC233159  Polypogon interruptus H. A. Dutton 1900-4-29 s.n. San Mateo Santa Cruz Peninsula Comment
  CAS-BOT-BC237341  Polypogon monspeliensis Phillip Wheeler 1965-6-8 s.n. San Mateo San Bruno Mountain. Crocker Industrial Park Comment
  CAS-BOT-BC237342  Polypogon monspeliensis Phillip Wheeler 1965-6-8 s.n. San Mateo San Bruno Mountain. Bayshore Comment
  CAS-BOT-BC237346  Polypogon monspeliensis George Oberlander 1949-7-24 312 San Mateo San Francisco Watershed Reserve. Pilarcitos Canyon Comment
  JROH5445  Polypogon monspeliensis John H. Thomas 1974-10-29 17644 San Mateo Jasper Ridge Biological Preserve, Stanford University. Small peninsula created by drainage channel cut to accommodate water from Corte Madera Cr. Comment
  JROH5453  Polypogon monspeliensis John Hunter Thomas 1983-5-23 22240 San Mateo Jasper Ridge Biological Preserve, Stanford University. Roadside drainage near shack side & low-flow crossing. Comment
  HSC10835  Polypogon monspeliensis B. Francis 1964-5-5 47 San Mateo 5 miles N of San Francisco International Airport. Comment
Read comments
Jul 2 2009
  SEINET10593598  Polypogon monspeliensis Delzie Demaree 1932-5-22 Demaree 9167 San Mateo Mud Lakes Los Francos Woods. Mud Lakes Comment
  JROH44  Polystichum dudleyi Herbert Dengler 1961-6-25 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. San Francisquito Creek about 100' below tiger lily site Comment
  SEINET10665573 Image available Polystichum dudleyi William R. Dudley 1903-5-2 Dudley s.n. San Mateo Near bridge. Peters Creek. Santa Cruz Mts. Comment
  JROH54  Polystichum munitum Lawrence J. Winship 1974-11-2 8 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  POM23442  Polystichum munitum C. F. Baker 1902-1-15 321 San Mateo West side of King's Mountain Comment
  CAS-BOT-BC105566  Populus trichocarpa W. R. Dudley 1894-3-26 s.n. San Mateo Creek by Pascadero bridge, Pescadero - Santa Cruz Peninsula Comment
  UCD100109  Portulaca oleracea Gertrud Aronstein 1930-7-16 s.n. San Mateo Atherton. Comment
  SEINET10501698  Potamogeton filiformis var. macounii Mary Susan Taylor 1978-8-30 Taylor 1875 San Mateo Comment
  UC438  Potamogeton illinoensis J. Burtt Davy Jun 21 1893-Jun 23 1893 1132 San Mateo Pilarcito Lake and Canyon Pilarcito Lake Comment
  SEINET3825842  Potamogeton lucens N. L. Gardner 1933-9-24 San Mateo Crystal Springs Lake Comment
  JEPS42973  Potamogeton nodosus W. L. Jepson 1910-8-18 4165 San Mateo White House Creek Comment
  UC430  Potamogeton pectinatus J. Burtt Davy Jun 21 1893-Jun 23 1893 1131 San Mateo Pilarcitos Lake and Canyon Pilarcitos Lake Comment
  CAS-BOT-BC453997  Potamogeton pectinatus Charles W. O'Brien 1964-8-31 s.n. San Mateo Lake Pilarcitos Comment
  CAS-BOT-BC454050  Potamogeton pusillus subsp. pusillus W. R. Dudley 1909-10-10 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Club House, Crystal Springs Reservoir Comment
  CHSC39829  Potentilla anserina subsp. pacifica Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  POM215734  Potentilla anserina var. grandis D. D. Keck 1933-5-11 2291 San Mateo Half Moon Bay sand dunes, about 2 miles north of town. Comment
  CAS-BOT-BC144833  Potentilla rivalis George Oberlander 1950-3-18 560 San Mateo Pilarcitos Canyon Comment
  JROH4674  Prosartes hookeri John H. Thomas 1979-4-10 19448 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4678  Prosartes hookeri John Hunter Thomas 1988-4-21 24402 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC517388  Prosartes smithii E. W. Rust 1887-4-27 133 San Mateo Kings Mountain Comment
  CAS-BOT-BC517398  Prosartes smithii W. R. Dudley 1895-4-14 s.n. San Mateo Santa Cruz Peninsula, beyond summit on Woodside Road Comment
  SEINET8502087 Image available Prosartes smithii L. M. Henry, M. E. Springer 1946-7-21 372 San Mateo La Honda Comment
  RSA187271  Prunus ilicifolia John H. Thomas 1954-5-28 4239 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco. 30 Comment
  JROH3747  Prunus ilicifolia subsp. ilicifolia John Hunter Thomas 1981-5-5 20545 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC154649  Prunus subcordata E. A. McGregor 1909-4-20 s.n. San Mateo Los Trancos Road (near bridge at Tilt - Villa) Comment
  RSA112470  Prunus virginiana var. demissa James I. McMurphy 1906-4-28 16 San Mateo Corte de Madera Creek. Santa Cruz Mtns. Comment
Read comments
Dec 13 2015
  HSC5682  Pseudognaphalium beneolens L. S. Rose 1966-8-15 66082 San Mateo Emerald Lake, W of Redwood City 91 Comment
  OBI16449  Pseudognaphalium beneolens Lewis S. Rose 1966-8-15 66082 San Mateo Emerald lake, W of Redwood City 91 Comment
  JROH753  Pseudognaphalium californicum John H. Thomas 1958-5-10 7157 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH761  Pseudognaphalium californicum John H. Thomas 1975-5-26 17914 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
  JROH775  Pseudognaphalium luteoalbum John H. Thomas 1970-7-5 15657 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC357128  Pseudognaphalium luteoalbum Javier Penalosa 1963-2-23 2659 San Mateo San Bruno Mtn. Ravine south of Crocker Ave. 213 Comment
  OBI4193  Pseudognaphalium stramineum Lewis S. Rose 1966-8-6 66079 San Mateo San Bruno Mtn, Colma Cyn 122 Comment
  CAS-BOT-BC361560  Pseudognaphalium stramineum Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain. Quarry 3 Comment
  CAS-BOT-BC361565  Pseudognaphalium stramineum W. R. Dudley 1896-11-15 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Spanish Town Comment
  RSA249487  Pseudognaphalium stramineum John F. Emmel 1971-9-6 387 San Mateo NE facing slope 0.4 air mile SSW of Midway Village School on 1956 topo quad., above Guadalupe cyn. parkway, San Bruno Mts. 91 Comment
  SJSU7541  Pseudognaphalium stramineum L. S. Rose 1966-8-6 66079 San Mateo Colma Canyon, San Bruno Mt 121 Comment
  RSA384643  Pseudotsuga menziesii E. A. Purer 1932-7-18 s.n. San Mateo King s Mountain. Comment
  RSA384644  Pseudotsuga menziesii L. H. Jones 1909-3-13 s.n. San Mateo King s Mountain Road, Stanford University. 610 Comment
Read comments
Sep 22 2011
  CAS-BOT-BC85911  Pseudotsuga menziesii E. A. McGregor 1908-3-28 s.n. San Mateo Kings Mt., west slope 792 Comment
  JROH1175  Psilocarphus tenellus H. A. Borthwick 1920-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1185  Psilocarphus tenellus John Hunter Thomas 1978-4-25 19146 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC362029  Psilocarphus tenellus Phillip C. Wheeler 1965-6-19 s.n. San Mateo San Bruno Mountain. Ridge Road west of power lines Comment
  CAS-BOT-BC421316  Pterostegia drymarioides John H. Thomas 1965-4-29 10625 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  CAS-BOT-BC421319  Pterostegia drymarioides Margaret A. Barry 1937-5-15 121 San Mateo On Coal Mine Ridge Comment
  CAS-BOT-BC308932  Pyrrocoma E. A. McGregor 1906-9-29 s.n. San Mateo Cooley Landing Comment
  JROH2537  Quercus X jolonensis Lucile Roush 1917-10-9 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC104278  Quercus X morehus W. R. Dudley 1910-5-8 s.n. San Mateo Santa Cruz Mountain Peninsula, In a hollow W of the ridge road S of Muchados on the top of the Santa Cruz Mt., Marin Divide Comment
  HSC8087  Quercus agrifolia L. S. Rose 1964-3-23 64012 San Mateo Emerald Lake, W of Redwood City 122 Comment
  JROH2462  Quercus agrifolia var. agrifolia John H. Thomas 1974-6-30 17461 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5809  Quercus berberidifolia John Rawlings 2016-7-27 1910 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 15, 15 yards north of Rd F 175 Comment
  CAS-BOT-BC62310  Quercus chrysolepis Margaret Barry 1938-5-15 s.n. San Mateo Woods on Coal Mine Ridge Comment
  CAS-BOT-BC62340  Quercus chrysolepis LeRoy Abrams 1906-10-7 s.n. San Mateo Portola, Santa Cruz Mtns. Comment
  JROH5804  Quercus douglasii John Rawlings, Bill Gomez 2016-7-28 1911 B San Mateo Jasper Ridge Biological Preserve, Stanford University; north side Rd F in blue oak woodland west of serpentine prairie 182 Comment
  CAS-BOT-BC94283  Quercus durata James McMurphy 1906-5-11 51 San Mateo Woodside, Santa Cruz Mountains Comment
  JROH2498  Quercus kelloggii E. A. McGregor 1909-3-20 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2499  Quercus kelloggii K. Hoffough 1929-4-27 277 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA15312  Quercus kelloggii Carl B. Wolf 1927-4-3 282 San Mateo 1 1/2 miles above east base of La Honda grade, Santa Cruz Mountains. Comment
  UCD46742  Quercus kelloggii Edmond W. Holm 1993-11-26 s.n. San Mateo (Q. parvula var. shrevei (Muller) Nixon. California, San Mateo Co,; Huddart Park, near Miwok Picnic Area. Comment
  CAS-BOT-BC134783  Quercus wislizeni W. R. Dudley 1903-5-2 s.n. San Mateo Santa Cruz Peninsula. In front of Iverson's house near Peter Creek Comment
  CAS-BOT-BC134793  Quercus wislizeni H. L. Mason 1929-12-1 s.n. San Mateo Swanton Comment
  JROH5828  Quercus wislizeni var. frutescens John Rawlings 2016-12-29 1954 San Mateo Jasper Ridge Biological Preserve, Stanford University; about 120 yards north of Road F opposite its intersection with Trail 17 to Goya Gate 178 Comment
  JROH5829  Quercus wislizeni var. frutescens John Rawlings 2016-12-29 1954 B San Mateo Jasper Ridge Biological Preserve, Stanford University; about 120 yards north of Road F opposite its intersection with Trail 17 to Goya Gate 178 Comment
  CAS-BOT-BC362545  Rafinesquia californica Fred Hemphill 1973-5-14 817 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC362547  Rafinesquia californica Fred Hemphill 1973-5-14 824 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC389716  Ranunculus Sharon Rogers 1966-4-23 s.n. San Mateo Field east of Canada Road, between North and South Gates of Filoli Estate Comment
  SEINET209201  Ranunculus bloomeri Inez Smith 1915-3-15 San Mateo Hillsboro Comment
  RSA268419  Ranunculus californicus Lyman Benson 1929-3-16 1013 San Mateo Crystal Springs Lake, Spring Valley Comment
  POM268416  Ranunculus californicus Lyman Benson 1930-4-6 s.n. San Mateo San Lorenzo Mt: Crystal Springs Lake. 183 Comment
  SEINET5569721  Ranunculus californicus H. S. Gentry 1931-1 22 San Mateo Collected on slope W of Pacific Bone Coal Fertilizer Co. in South San Francisco. Comment
  CAS-BOT-BC378527  Ranunculus californicus var. californicus R. S. Woglum 1935-5-25 1156 San Mateo San Francisco area, Skyline Drive Comment
  CAS-BOT-BC378544  Ranunculus californicus var. californicus John H. Thomas 1969-4-30 15032 San Mateo serpentine near Canada College, Redwood City, just off of Farm Hill Blvd Comment
  CAS-BOT-BC378550  Ranunculus californicus var. californicus Paul F. Covel 1937-4-15 644 San Mateo Hgwy no. Half Moon Bay Comment
  SBBG71850  Ranunculus californicus var. cuneatus J. M. Tucker 1941-4-6 210 San Mateo Pigeon Point 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
  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-BC83422  Ranunculus lobbii E. A. McGregor 1908-3-9 s.n. San Mateo Coal Mine Ridge. Comment
  CAS-BOT-BC83429  Ranunculus lobbii A. D. E. Elmer 1903-4-1 4734 San Mateo Alpine School House. Comment
  POM269869  Ranunculus lobbii James I. McMurphy 1906-5-8 s.n. San Mateo Near head of Crystal Springs Lakes Comment
  JROH3496  Ranunculus muricatus John Hunter Thomas 1983-4-5 21327 San Mateo Jasper Ridge Biological Preserve, Stanford University. Low-flow crossing Comment
  POM269264  Ranunculus muricatus Lyman Benson 1935-5-7 6546 San Mateo Santa Cruz Mt, San Francisco Bay, Stanford University 152 Comment
  RSA230359  Ranunculus orthorhynchus var. bloomeri L. S. Rose 1937-4-30 37241 San Mateo Brisbane. 6 Comment
  CAS-BOT-BC74340  Raphanus sativus Fred Hemphill 1973-3-9 642 San Mateo San Carlos. North of Malabar Road and Melendy Drive. 207 Comment
  UCD115166  Raphanus sativus L. Angst 1917-4-21 14 San Mateo south of San Francisco. Comment
  UCD115178  Raphanus sativus W. A. Harvey; J. M. Tucker 1948-6-28 1698 San Mateo 3 miles north of Pescadero. Comment
  RSA100994  Rhamnus californica G. Oberlander 1949-7-30 246 San Mateo Crest of Sweeney Ridge, San Francisco Watershed reserve Comment
  UC202778  Rhamnus californica subsp. californica A. D. E. Elmer Jul 1901 4772 San Mateo Pilarcitos Stone Dam Comment
  CAS-BOT-BC55891  Rhamnus crocea Carl B. Wolf 1927-8-7 717 San Mateo At Schenkel's Camp back of Stanford University Campus. Los Trancos Creek Comment
  JROH3566  Rhamnus crocea John Hunter Thomas 1981-4-27 20503 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1121784  Rhamnus tomentella subsp. tomentella C. M. Belshaw 1935-1-25 1459 San Mateo 2.8 mi w Woodside; Santa Cruz Quad. 457 Comment
  CAS-BOT-BC56669  Rhododendron occidentale W. R. Dudley 1908-9-21 s.n. San Mateo Pescadero Cr. (Iversons') Comment
  JROH182  Rhus integrifolia Toni Corelli 2007-3-7 332 San Mateo Jasper Ridge Biological Preserve, Stanford University. Just off Road F where it joins with Trail 17 182 Comment
  CAS-BOT-BC92488  Ribes aureum var. gracillimum James McMurphy 1906-4-4 s.n. San Mateo Creek above Judge Allen's, Santa Cruz Mountains. Comment
  CAS-BOT-BC92490  Ribes aureum var. gracillimum A. D. E. Elmer 1903-5-1 4514 San Mateo Portola. Comment
  JROH2633  Ribes aureum var. gracillimum Carol Zabel 1989-8-7 22 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 12 at bridge nearest Mapache Gate. Comment
  JEPS49330  Ribes californicum W. L. Jepson 1922-3-19 9540 San Mateo Lake San Andreas Comment
  CAS-BOT-BC92997  Ribes californicum var. californicum Lewis S. Rose 1933-6-9 33226 San Mateo Belmont. Comment
  CAS-BOT-BC93014  Ribes californicum var. californicum K. Haj Jaryh 1929-5-6 533 San Mateo La Honda Grade. 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
  UCR70845  Ribes californicum var. californicum L. S. Rose 1949-3-18 49007 San Mateo San Francisco Bay Region, Hillsides west of Belmont 91 Comment
  SD121787  Ribes divaricatum Lewis S. Rose 1965-3-16 65008 San Mateo Searsville Lake 121 Comment
  JROH2657  Ribes divaricatum var. pubiflorum John Hunter Thomas 1992-4-7 25132 San Mateo Jasper Ridge Biological Preserve, Stanford University. Causeway. Comment
  CAS-BOT-BC173464  Ribes malvaceum Walter Knight; Irja Knight 1965-3-21 944 San Mateo Summit at head of Buckeye Canyon Comment
  CAS-BOT-BC173480  Ribes malvaceum G. Edelbrock 1975-2-8 002 San Mateo Eastern exposure overlooking Crystal Springs Reservoir along fire road; S.F. Watershed 152 Comment
  RSA0021678  Ribes malvaceum S. S. Berry 1909-2-27 s.n. San Mateo Roadside near Adalanta Villa. 46 Comment
  CAS-BOT-BC212824  Ribes menziesii W. R. Dudley 1894-3-23 s.n. San Mateo By La Honda Road Comment
  CAS-BOT-BC212828  Ribes menziesii Peter H. Raven 1952-4-6 3984 San Mateo 1 mile s. of Sharp Park Comment
  CAS-BOT-BC212831  Ribes menziesii George Oberlander 1950-4-23 822 San Mateo Pilarcitos Canyon Comment
  CAS-BOT-BC212832  Ribes menziesii W. R. Dudley 1894-3-1 s.n. San Mateo Between Half Moon Bay and Woodside Comment
  UC202789  Ribes menziesii A. D. E. Elmer April, 1903 4496 San Mateo Portola Comment
  UC566015  Ribes menziesii G. E. Sindel 1935-8-13 330 San Mateo San Gregorio Creek Santa Cruz Quadrangle 91 Comment
  CAS-BOT-BC212813  Ribes menziesii W. R. Dudley 1898-4-15 s.n. San Mateo Unspecified Comment
  CAS-BOT-BC212836  Ribes menziesii V. F. Hesse 1955-10-10 1716 San Mateo China grade road, 2.3 miles from Butano-Gazos Creek Road 152 Comment
  SEINET10482931  Ribes menziesii Mary Susan Taylor 1978-8-30 Taylor 1855 San Mateo Comment
  RSA0021754  Ribes menziesii var. leptosmum A. D. E. Elmer 1903-04 4496 San Mateo Portola. Comment
  JEPS121700  Ribes menziesii var. menziesii Stella Yang 2013-5-10 San Mateo Los Troncos Open Space Preserve, Franciscan Loop Trail at Los Troncos Creek crossing Comment
  JROH2672  Ribes menziesii var. menziesii Toni Corelli 2002-8-19 248 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along Trail 1. 82 Comment
  CAS-BOT-BC144650  Ribes sanguineum var. glutinosum Ray H. Yanis 1951-4-21 53 San Mateo Searsville Lake edge 15 Comment
  CAS-BOT-BC144644  Ribes sanguineum var. glutinosum Reed C. Rollins 1941-3-16 2945 San Mateo dry ravine, west slope of the Santa Cruz Mts., about 35 miles south of San Francisco Comment
  RSA0019103  Ribes sanguineum var. glutinosum I. L. Wiggins 1929-3-23 3371 San Mateo Road to Mud Lake, near Stanford University Comment
  UC1127452  Ribes victoris R. C. Wilson 1935-7-17 242 San Mateo 2 mi se Pescadero; Santa Cruz Quadrangle Comment
  CAS-BOT-BC207159  Ricinus communis John H. Thomas 1967-5-25 11637 San Mateo Menlo Park, near Southern Pacific train station. Comment
  CAS-BOT-BC363093  Rigiopappus leptocladus Elizabeth McClintock 1978-4-24 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  UC107586  Romanzoffia californica C. F. Baker 1902-4-6 463 San Mateo Crystal Springs Lake; ; Crystal Springs Lake, San Mateo Co. Comment
  UC24535  Romanzoffia californica J. Burtt Davy 1895-4-20 1065 San Mateo Pilarcitos Creek; ; Pilarcitos Creek, San Mateo Co. Comment
  JEPS97011  Romulea rosea var. australis Dean W. Taylor 1995-3-14 14751 San Mateo Buri Buri Ridge; west of Hillsborough; west of Skyline Blvd.; San Francisco Fish & Game Refuge, San Francisco Water Department lands 152 Comment
  CAS-BOT-BC74651  Rorippa curvisiliqua W. R. Dudley 1909-10-31 s.n. San Mateo Santa Cruz Mountain Peninsula. Woodside Valley Ponds. Comment
  CAS-BOT-BC147666  Rosa canina Elizabeth McClintock; Paul Reeberg 1988-6-28 s.n. San Mateo On both sides of road to Camp Silverspot Comment
  CAS-BOT-BC146693  Rosa gymnocarpa James B. Roof 1965-4-25 s.n. San Mateo Head of Owl's Canyon on ridge Comment
  JROH3762  Rosa gymnocarpa var. gymnocarpa John Hunter Thomas 1982-9-12 21158 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC146799  Rosa multiflora Elizabeth McClintock; Paul Reeberg 1988-4-28 s.n. San Mateo Near Camp Silverspot Comment
  RSA51270  Rubus parviflorus var. velutinus Peter H. Raven 1950-4-30 51270 San Mateo Montara Mtns. Ca 1/2 mile N of Montara. 91 Comment
  CAS-BOT-BC156767  Rubus spectabilis Walter Knight; Irja Knight 1964-4-25 692 San Mateo San Bruno Mountain Comment
  JEPS30401  Rubus spectabilis James B. Roof, Irja Knight 1963-4-24 San Mateo northwestern end San Bruno Mountain (Colma Canyon); Daly City, nw end of San Bruno Mountain, Colma Canyon Comment
  CDA3942  Rubus ulmifolius var. inermis M. Leonard 1945-7-6 San Mateo Redwood City. 0 Comment
  CAS-BOT-BC157074  Rubus ursinus Walter Knight; Irja Knight 1964-5-30 595 San Mateo Colma Canyon Comment
  CAS-BOT-BC157101  Rubus ursinus Alice Eastwood; John Thomas Howell 1938-6-26 6050 San Mateo Montara Mt. above Pt. San Pedro Comment
  CAS-BOT-BC157102  Rubus ursinus Alice Eastwood; John Thomas Howell 1938-6-26 6050 San Mateo Montara Mt. above Pt. San Pedro Comment
  CAS-BOT-BC157109  Rubus ursinus John Thomas Howell 1938-6-4 13887 San Mateo Burlingame Comment
  CAS-BOT-BC157110  Rubus ursinus John Thomas Howell 1938-6-4 13888 San Mateo Burlingame Comment
  LA208241  Rubus ursinus John Thomas Howell; 1938-6-4 13888 San Mateo San Francisco Bay, Burlingame Comment
  SBBG50777  Rubus ursinus R. E. Dengler 1960-4-14 34 San Mateo Jasper Ridge, Stanford Biological Reserve 121 Comment
  UCSC007775  Rubus ursinus Becky Hendricks, Shayne Coppedge 2012-5-18 s.n. San Mateo Ano Nuevo State Park Comment
  POM140136  Rubus vitifolius Edward L. Greene 1902-1-15 246 San Mateo W side King's Mtn. Comment
  CHSC39822  Rumex acetosella Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  RSA264999  Rumex acetosella I. L. Wiggins 1928-3-25 2945 San Mateo Moss Beach Comment
  UC1537260  Rumex acetosella Gordon H. True Jr. 1936-4-5 393 San Mateo canyon between Pescadero and San Gregorio 304 Comment
  CAS-BOT-BC422087  Rumex acetosella Elizabeth McClintock 1965-3-28 s.n. San Mateo San Bruno Mountain. Between April Brook and Radio Road. Comment
  CAS-BOT-BC422090  Rumex acetosella Elizabeth McClintock; Paul Reeberg 1989-8-31 s.n. San Mateo San Bruno Mountains. Willow Pond. Comment
  JROH3301  Rumex conglomeratus John Hunter Thomas 1982-6-7 21030 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC421569  Rumex crassus John H. Thomas 1964-6-19 10419 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz. Comment
  CAS-BOT-BC433355  Rumex crispus Walter Knight; Irja Knight 1965-4-24 s.n. San Mateo San Bruno Mountain. Point San Bruno Comment
  CAS-BOT-BC433364  Rumex crispus A. D. E. Elmer 1903-6-1 4266 San Mateo San Mateo Comment
  CAS-BOT-BC433368  Rumex crispus J. H. Thomas 1949-4-2 222 A San Mateo Palo Alto Yacht Club. Comment
  UC1537263  Rumex maritimus Gordon H. True Jr. 1937-10-16 847 San Mateo near Thornton Beach 15 Comment
  SD39773  Rumex salicifolius Edith A. Purer 1932-7-18 4015 San Mateo Half Moon Bay, sand dunes Comment
  CAS-BOT-BC433998  Rumex salicifolius George Oberlander 1949-7-24 306 San Mateo San Francisco Watershed Reserve. About Upper Crystal Spr. Lake Comment
  CAS-BOT-BC434134  Rumex transitorius John H. Thomas 1964-6-19 10426 San Mateo 0.9 miles south of Tunitas Creek near Coast Highway. 60 Comment
  SD27758  Rupertia physodes Carl B. Wolf 1927-5-31 414 San Mateo North end of Searsville Lake. Comment
  UC279598  Ruppia maritima W. A. Setchell San Mateo Laguna de Salada Comment
  CDA38605  Rytidosperma caespitosum Eric Wrubel, Joe Woods 2011-7-5 NPS 19 San Mateo Pacifica. Golden Gate National Recreation Area, Sweeney Ridge Trail, 1/2 mile south of Vista College. 0 Comment
  JROH1723  Sagina apetala Toni Corelli 2009-3-25 349 San Mateo Jasper Ridge Biological Preserve, Stanford University; Road F along road 152 Comment
  POM163965  Sagina maxima subsp. crassicaulis Copeland 1903-6-5 3329 San Mateo Montara Point. Comment
  JROH3851  Salix exigua var. hindsiana John Hunter Thomas 1988-4-28 24414 San Mateo Jasper Ridge Biological Preserve, Stanford University. Causeway Comment
  SBBG33940  Salix exigua var. hindsiana L. S. Rose 1965-3-8 65003 San Mateo Searsville Lake 121 Comment
  UC469121  Salix fragilis N. L. Gardner Sept. 1927 San Mateo Cypress Lawn Cemetery, near Colma, San Mateo Co., California Comment
  CAS-BOT-BC125369  Salix lasiandra var. lasiandra W. R. Dudley 1902-9-21 s.n. San Mateo Near Crystal Springs 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
  JROH3868  Salix lasiandra var. lasiandra W. R. Dudley 1903-4-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Searsville below the bridge Comment
  JROH3869  Salix lasiandra var. lasiandra John H. Thomas 1967-3-26 12415 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3876  Salix lasiandra var. lasiandra John H. Thomas 1975-5-2 17854 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC107131  Salix lasiolepis C. R. Ball; G. W. Hendry 1931-2-22 14 San Mateo San Gregorio, near sea level - in arroyo near San Gregorio Creek, 100 m. from ocean Comment
  CAS-BOT-BC107132  Salix lasiolepis Ira L. Wiggins 1976-4-20 22178 San Mateo Along N bank of San Francisquito Creek, near Pope Street Bridge, Menlo Park Comment
  CAS-BOT-BC107136  Salix lasiolepis T. C. Zhchokke 1903-3-16 s.n. San Mateo Delta of San Francisquito Creek, near Stanford University Comment
  RSA119073  Salix lasiolepis L. S. Rose 1958-3-19 58009 San Mateo Princeton. 6 Comment
  SEINET12003303  Salix lasiolepis L. S. Rose 1938-1 38302 San Mateo San Francisco, Mountain Lake, Presidio 30 Comment
  SEINET5884190 Image available Salix lasiolepis L. S. Rose 1965-1 65004 San Mateo Searsville Lake. Comment
  UCSC007752  Salix lasiolepis Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  RSA184901  Salix lucida subsp. lasiandra L. S. Rose 1965-3-8 65002 San Mateo Searsville Lake. 122 Comment
  POM362921  Salix scouleriana L. S. Rose 1934-2-10 34025 San Mateo Skyline Blvd. 4 miles S Kings Mtn. Comment
  CAS-BOT-BC129071  Salix scouleriana W. R. Dudley 1896-4-17 s.n. San Mateo By trail from Haladay place to summit La Honda Rd. - Santa Cruz Peninsula Comment
  CAS-BOT-BC129072  Salix scouleriana W. R. Dudley 1900-3-18 s.n. San Mateo Below Jersey Farm near Baden - Santa Cruz Peninsula Comment
  SEINET12003643  Salix scouleriana L. S. Rose 1938-1 38303 San Mateo Skyline Blvd. & La Honda Road Comment
  CAS-BOT-BC126481  Salix sitchensis H. A. Dutton 1899-10-15 s.n. San Mateo Above Byrne's store, along road from Crystal Springs to Half Moon Bay Comment
  CAS-BOT-BC126482  Salix sitchensis W. R. Dudley 1899-5-14 s.n. San Mateo So.W. of Baden Station Comment
  CAS-BOT-BC126486  Salix sitchensis Walter Knight; Irja Knight 1965-2-28 866 San Mateo San Bruno Mt., in Colma Canyon Comment
  CAS-BOT-BC126499  Salix sitchensis W. R. Dudley 1903-5-1 s.n. San Mateo Iverson's near Pescadero Creek Comment
  CAS-BOT-BC126521  Salix sitchensis W. R. Dudley 1897-4-19 s.n. San Mateo Bank of Pescadero Creek below Peters Creek Comment
  POM223618  Salix sitchensis S. S. Berry 1909-3-13 s.n. San Mateo Kings Mtn Rd. 457 Comment
  RSA788840  Salix sitchensis Peter Rubtzoff 1976-3-14 8448 San Mateo Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, upper part of East Fork Colma Creek Canyon. Comment
  RSA788843  Salix sitchensis Peter Rubtzoff 1975-10-11 8426 San Mateo Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  UC306640  Salix sitchensis A. D. E. Elmer May, 1903 4917 San Mateo Portola Comment
  CAS-BOT-BC180794  Salsola soda John H. Thomas 1974-10-6 17615 San Mateo Palo Alto Yacht Harbor near airport. Altitude about sea level. Comment
  CDA3226  Salsola soda T. C. Fuller 1968-9-25 17640 San Mateo West end of Dumbarton Bridge, Menlo Park. 0 Comment
  SD70996  Salsola soda William R. Anderson 1968-8-16 San Mateo Edge of salt marsh just above high tide line, west end of Dumbarton Bridge. Comment
  RSA681663  Salvia brandegeei Annuschka Deb 1989-4-14 11458 San Mateo YBN Demonstration Garden, Woodside, CA Comment
  UC138837  Salvia spathacea C. F. Baker 1903-4-6 1878 San Mateo San Bruno Hills San Francisco Comment
  POM46724  Sambucus caerulea A. D. E. Elmer 1903-07 4689 San Mateo Portola Comment
  CAS-BOT-BC246024  Sambucus nigra subsp. caerulea Daniel Cohen 1953-6-3 107 San Mateo Los Trancos Woods Comment
  SBBG32342  Sambucus nigra subsp. caerulea L. S. Rose 1966-8-15 San Mateo Pulgas Water Temple 91 Comment
  CDA34006  Sambucus racemosa D. G. Kelch 2011-3-13 11 .053 San Mateo Near Half Moon Bay along Capistrano Creek. Comment
  CAS-BOT-BC236455  Sambucus racemosa subsp. racemosa James B. Roof 1966-3-27 s.n. San Mateo Power Line Ridge, San Bruno Mountain Comment
  CAS-BOT-BC236464  Sambucus racemosa subsp. racemosa Adaline Christensen 1956-5-1 s.n. San Mateo Half Moon Bay Comment
  UCSC004609  Sanicula Randall Morgan 1994-3-12 2153 San Mateo Lower N slope of Coal Mine Ridge, not far from Alpine Road Comment
  CHSC37342  Sanicula arctopoides J. F. Esperance; P. S. Worthing 1982-3-6 San Mateo Top of San Bruno Mt., 1/2 mi s of parking lot on the ridge top. 304 Comment
  POM133562  Sanicula arctopoides Edward L. Greene 1902-3-30 425 San Mateo Crystal Springs Lake. Comment
  UC75021  Sanicula arctopoides Dr. E. L. Greene 1902-3-30 425 San Mateo Crystal Springs Lake; Pacific Coast, Crystal Springs Lake Comment
  RSA184887  Sanicula arctopoides L. S. Rose 1965-3-25 65012 San Mateo San Bruno Mountains, North end. 122 Comment
  SEINET12121123  Sanicula arctopoides E. McClintock, Knight, W.; Knight, I. 1982-1 4642 San Mateo upper elevations of San Bruno Mountain, especially around parking lot area Comment
  SEINET13945102 Image available Sanicula arctopoides Lewis S. Rose 1965-1 65012 San Mateo San Bruno Mts, N end. Ca 400 ft 122 Comment
  UCD127909  Sanicula arctopoides Lewis S. Rose 1965-3-25 65012 San Mateo San Bruno Mountains, north end. 121 Comment
  CAS-BOT-BC223319  Sanicula bipinnatifida Elizabeth McClintock; Philip Wheeler 1967-5-14 s.n. San Mateo San Bruno Mountain. East side of mountain, above Harold Ave., Brisbane Comment
  CAS-BOT-BC539830  Sanicula crassicaulis Fred Hemphill 1973-4-22 826 San Mateo San Carlos, area N of Malabar Rd. and Melendy Dr. 243 Comment
  JROH337  Sanicula crassicaulis John H. Thomas 1974-5-3 17243 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH338  Sanicula crassicaulis John H. Thomas 1974-5-3 17243 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH344  Sanicula crassicaulis John Hunter Thomas 1986-5-1 23996 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA40292  Sanicula crassicaulis L. S. Rose 1948-5-9 48108 San Mateo W. of Burlingame 122 Comment
  UC25419  Satureja douglasii J. Burtt Davy 1893-6-17 814 San Mateo Belmont Comment
  JEPS8811  Scabiosa atropurpurea James G. Daly 540 San Mateo vicinity of San Gregorio Comment
  UCD137506  Scabiosa atropurpurea Collector Unknown 1925-6-15 s.n. San Mateo Pescadero, Santa Cruz Road. Comment
  JROH365  Scandix pecten-veneris John Hunter Thomas 1991-5-2 25013 San Mateo Jasper Ridge Biological Preserve, Stanford University; Goya Gate Comment
  CAS-BOT-BC111606  Schoenoplectus californicus Elizabeth McClintock; P. Reeberg 1989-5-2 s.n. San Mateo In disturbed seep 600 ft SE of the Carter/Martin intersection, Daly City 7 Comment
  POM185335  Schoenoplectus pungens E. B. Copeland 1903-6-15 3336 San Mateo Montara Point. 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
  SEINET3914302  Scirpus cernuus Ira L. Wiggins, Roxana S. Ferris 1939-8-2 9290 San Mateo Aon Nuevo Point.; 0 Comment
  UC1100905  Scirpus maritimus Malcolm A. Nobs, S. Galen Smith 1949-8-25 1564 San Mateo marshes at Sharp Park Comment
  UC840923  Scirpus maritimus Alice Eastwood 1915-6-13 4714 San Mateo Granada Comment
  UC841022  Scirpus maritimus Lewis S. Rose 1935-8-13 35565 San Mateo Salada 3 Comment
  CAS-BOT-BC111061  Scirpus microcarpus Malcom A. Nobs; Stanley Galen [S. Galen] Smith 1949-8-25 1559 San Mateo Marshes at Sharp Park. Comment
  CAS-BOT-BC111062  Scirpus microcarpus Walter Knight; Irja Knight 1964-5-30 s.n. San Mateo Colma Canyon Comment
  CAS-BOT-BC519001  Scoliopus bigelovii C. F. Leithold 1896-2-24 s. n. San Mateo Woodside Hills Comment
  CAS-BOT-BC519002  Scoliopus bigelovii Elmer I. Applegate 1895-3-9 737 San Mateo Above Woodside Comment
  CAS-BOT-BC519006  Scoliopus bigelovii W. R. Dudley 1895-3-5 s. n. San Mateo Kings Mt Comment
  CAS-BOT-BC519017  Scoliopus bigelovii Alice Eastwood 1922-3-1 s. n. San Mateo Lake Pilarcitos Comment
  JEPS62100  Scoliopus bigelovii Elsa Kraeger 1926-2-21 San Mateo n. La Honda Comment
  RSA299413  Scoliopus bigelovii Elsa Kraeger 1926-2-21 s.n. San Mateo N of La Honda. Comment
  SEINET12050532  Scoliopus bigelovii F. H. Utech 1988-1 88 -142 San Mateo 0.5 mi from jct of Kings Mt. Rd & CA 35 on former enroute to Woodside, Skyline Hiking Trail & jct 580 Comment
  SEINET926247  Scoliopus bigelovii H. S. Gentry 1931-1 20 San Mateo Collected 1.5 miles W of San Mateo, Half-Moon Bay Road. 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
  JROH4126  Scrophularia californica John H. Thomas 1975-6-5 17929 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near lowflow crossing Comment
  UC1012347  Scrophularia californica F. W. Pennell and D. D. Keck 1949-5-14 25416 San Mateo above Redwood City (Emerald Lake) 45 Comment
  UCR122984  Scrophularia californica subsp. californica George K. Helmkamp, E. A. Helmkamp 2001-6-2 6776 San Mateo San Francisco Bay Region, Purisima Creek Road, east of Half Moon Bay at Purisima Creek, 3.2 miles east of CA Hwy 1 244 Comment
  JROH2884  Scutellaria tuberosa John H. Thomas 1961-4-28 9175 San Mateo Jasper Ridge Biological Preserve, Stanford University; above Searsville Lake Comment
  JROH2888  Scutellaria tuberosa John Hunter Thomas 1986-5-17 24054 San Mateo Jasper Ridge Biological Preserve, Stanford University; creek trail downstream from Rattlesnake Rock Comment
  JROH1897  Sedum spathulifolium John Hunter Thomas 1981-5-5 20535 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS22901  Senecio aronicoides John H. Thomas 1958-5-10 7163 San Mateo about 5.0 mi sw Palo Alto; Jasper Ridge 152 Comment
  JROH1216  Senecio aronicoides D. D. Davis 1903-5-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville vicinity Comment
  CDA7644  Senecio elegans G. D. Barbe 1977-11-17 2354 San Mateo Thornton Beach State Park, Daly City. 0 Comment
  SEINET3876338 Image available Sequoia sempervirens Clipper Watene 1965-7-31 40 San Mateo Along Hwy. 84, one mi north of La Honda.; 0 Comment
  IRVC7617  Sequoia sempervirens P. W. Rundel 1962-4-12 1020 San Mateo 2 mi. E of Sky Line Hwy, on La Honda Road. Coast Range 610 Comment
  SEINET8057876 Image available Sequoia sempervirens M. E. Springer 1946-1 735 San Mateo Skyline Blvd. near La Honda Comment
  CDA33644  Sesbania punicea Robin Breckenridge 2010-7-2 PDR# 1313483 San Mateo East Palo Alto; Cooley Ave. 0 Comment
  CAS-BOT-BC243555  Setaria parviflora Paul Reeberg; Jake Sigg; Peter Rubtzoff 1991-8-10 s.n. San Mateo West side of P.G.&E. property, adjacent of P.G.&E. Marsh, San Bruno Mountains Comment
  JROH5464  Setaria viridis John Rawlings 2005-9-28 1008 San Mateo Jasper Ridge Biological Preserve, Stanford University. Corte Madera Creek. 110 Comment
  CDA6645  Sherardia arvensis D. G. Kelch 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  SD114361  Sherardia arvensis Darley F. Howe 1967-4-14 4350 San Mateo 7 miles from San Mateo on road to Half Moon Bay 121 Comment
  UCD23457  Sherardia arvensis E. A. Parzail 1949-8-1 s.n. San Mateo 1144 Cortez Avenue, Burlingame. Comment
  RSA432966  Sidalcea hickmanii subsp. hickmanii H. F. Copeland 1928-2-26 s.n. San Mateo Montara Comment
  RSA772539  Sidalcea malviflora Robert F. Thorne, Percy C. Everett 1963-6-9 32221 San Mateo On top of San Bruno Mountain on Kamchatka Point near the TV tower. 335 Comment
  JEPS127779  Sidalcea malviflora subsp. laciniata Adam C. Schneider with C. Matt Guilliams 2013-3-9 32 San Mateo Comment
  UC1300824  Sidalcea malviflora subsp. laciniata Helen K. Sharsmith 1963-2-16 5134 San Mateo above Daly City (lower open slopes of San Bruno Mountain); San Francisco Bay Region, San Bruno Mountain 106 Comment
  UC204266  Sidalcea malviflora subsp. laciniata A. D. E. Elmer May 1903 4637 San Mateo San Bruno Hills Comment
  UC871437  Sidalcea malviflora subsp. laciniata Alice Eastwood 1912-6-10 329 San Mateo Crystal Springs Comment
  POM151335  Silene californica C. F. Baker 1903-6-30 33522 San Mateo Crystal Springs Comment
  RSA18377  Silene californica C. B. Wolf 1927-7-1 531 San Mateo Above Emerald Lake, back of Redwood City. Comment
  CAS-BOT-BC386851  Silene gallica Walter Knight; Irja Knight 1965-4-4 s.n. San Mateo San Bruno Mountain. Bitter Cherry Ravine. Comment
  CAS-BOT-BC386852  Silene gallica Walter Knight; Irja Knight 1965-3-28 976 San Mateo San Bruno Mountain. Flower Garden adjacent to April Brook. Comment
  CAS-BOT-BC386856  Silene gallica Paul Arnaud 1941-4-17 s.n. San Mateo Redwood City, Jefferson Avenue. Comment
  JROH1739  Silene gallica John Hunter Thomas 1983-4-28 21775 San Mateo Jasper Ridge Biological Preserve, Stanford University; at low-flow crossing Comment
  JROH1232  Silybum marianum John H. Thomas 1969-6-4 15116 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS127795  Sisyrinchium bellum Adam C. Schneider with C. Matt Guilliams 2013-4-7 66 San Mateo Along dirt road running parallel to overhead power transmission lines. Comment
  JROH4445  Sisyrinchium bellum John Hunter Thomas 1982-5-18 20938 San Mateo Jasper Ridge Biological Preserve, Stanford University; old racing oval Comment
  RSA133098  Sisyrinchium bellum Donald A. Johansen 1933-5-18 708 San Mateo Hills above Searsville Lake, Stanford University Campus Comment
  SEINET3558360 Image available Sisyrinchium bellum David D. Keck 1932-5-6 1467 San Mateo Belmont, Belmont. Comment
  SEINET3876420  Sisyrinchium bellum Lewis S. Rose 1961-4-5 61031 San Mateo San Bruno Mountains.; 0 366 Comment
  UC845034  Sisyrinchium bellum Alice Eastwood 1915-6-13 4716 San Mateo Granada 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
  UC1032495  Sisyrinchium californicum H. S. Yates 1935-3-8 5218 San Mateo 2 mi sw of Pescadero 60 Comment
  SEINET3561666 Image available Sitanion jubatum Lewis S. Rose 1932-1 32226 San Mateo Redwood City. Comment
  UC844176  Smilacina racemosa L. R. Abrams 1916-3-25 5585 San Mateo near Dam; Santa Cruz Mountain Peninsula, Searsville Ridge Comment
  JEPS108625  Smilacina stellata W. Roderick San Mateo 2.1 mi W (down) from Skyline Blvd, SE of Half Moon Bay Comment
  RSA181219  Solanum americanum John H. Thomas 1965-11-26 11453 San Mateo At intersection of Tunitas Creek Road and Lobos Creek cutoff. 122 Comment
  RSA22959  Solanum douglasii L. R. Abrams, I. L. Wiggins 1939-6-3 425 San Mateo Ano Nuevo Point. Comment
  RSA130408  Solanum douglasii W. R. Dudley 1897-10-11 s.n. San Mateo Near Half Moon Bay (Spanishtown). Comment
  SEINET10546495  Solanum douglasii Mary Susan Taylor 1978-8-30 Taylor 1860 San Mateo Comment
  SEINET12274723  Solanum douglasii M. T. Doutt 1931-1 s.n. San Mateo Ano Nuevo Pt Comment
  JEPS12100  Solanum furcatum W. L. Jepson 1923-10-15 10256 San Mateo hills w of colma ( vicinity of San Francisco Bay) Comment
  JEPS17020  Solanum furcatum Rimo Bacigalupi with J. R. Sweeney, G. Bacigalupi Jr., and C. Fenneman 1954-8-3 4734 San Mateo along upper slopes of the Edgemar Road (northwestern San Mateo County) 121 Comment
  RSA152273  Solanum furcatum John H. Thomas 1961-5-7 9302 San Mateo San Bruno Mountain, in northern part of county. 305 Comment
  UCD126847  Solanum furcatum John H. Thomas 1961-5-7 9302 San Mateo San Bruno Mountain in northern part of county. 304 Comment
  CAS-BOT-BC58477  Solanum umbelliferum N. Cahill 1975-1-18 395 San Mateo Near the intersection of Canada and Edgewood Rds, about 3 mi westward from Redwood City. Comment
  POM87735  Solanum umbelliferum L. R. Abrams 1902-1-7 2262 San Mateo Kings Mts. 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
  NY820584  Solanum umbelliferum P. H. Raven 1950-4-16 1797 San Mateo San Bruno Mts. 244 Comment
  RSA681607  Solanum umbelliferum Annuschka Deb 1989-4-19 115 San Mateo YBN Berm near parking lot. From Fanny Arnold's ranch. Comment
  UCD40949  Solanum wallacei J. Skoss 1948-8-22 113 San Mateo San Vincente Canyon, near Montara. Comment
Read comments
Aug 8 2007
  JROH5598  Soleirolia soleirolii John Rawlings, Diane Renshaw, Ann Lambrecht 2011-8-10 0998 San Mateo Jasper Ridge Biological Preserve, Stanford University; south bank of San Francisquito Creek. 78 Comment
  RSA18440  Solidago canadensis subsp. elongata C. B. Wolf 1927-6-29 568 San Mateo 3 miles south of San Gregorio. Comment
  UCR256294  Solidago canadensis subsp. elongata Peter Rubtzoff 1978-9-16 9271 San Mateo San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 213 Comment
  CAS-BOT-BC365746  Solidago spathulata Elizabeth McClintock; Walter Knight; Irja Knight; Baki Kasapligil 1967-7-18 s.n. San Mateo San Bruno Mountain. Colma Canyon near old quarry Comment
  CAS-BOT-BC365749  Solidago spathulata John H. Thomas 1961-5-12 9331 San Mateo San Bruno Mountain in northern part of county 396 Comment
  JEPS29413  Solidago spathulata L. R. Heckard 1961-7-16 1260 San Mateo near summit San Bruno Mt. (ne-facing slope to the ne of transmitting station KQED) 304 Comment
  CAS-BOT-BC365185  Solidago velutina subsp. californica Miss E. Cannon No date on label s.n. San Mateo South San Francisco Hills Comment
  CAS-BOT-BC365187  Solidago velutina subsp. californica Phillip C. Wheeler 1965-8-16 s.n. San Mateo San Bruno Mountain. Lower April Brook Comment
  CAS-BOT-BC365190  Solidago velutina subsp. californica W. R. Dudley 1894-11-2 s.n. San Mateo Santa Cruz Peninsula. Near road to McDonough's Ranch, Portola Valley Comment
  JROH1244  Soliva sessilis John Hunter Thomas 1978-5-12 19202 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1249  Soliva sessilis John Hunter Thomas 1986-5-6 24017 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC353414  Soliva sessilis Peter Rubtzoff 1976-5-22 8550 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction. East Fork Colma Creek canyon area, San Bruno Mountains. Comment
  JROH1248  Soliva sessilis John Hunter Thomas 1984-4-12 23292 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC374491  Sonchus asper Fred Hemphill 1973-4-22 786 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC374489  Sonchus asper Margaret A. Barry 1937-7-17 216 San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC374492  Sonchus asper John H. Thomas 1971-5-2 15869 B San Mateo Near intersection of Canada Road and Edgewater Road, about three miles westward from Redwood City 152 Comment
  CAS-BOT-BC374496  Sonchus asper Le Roy Abrams 1901-3-16 1144 San Mateo Woodside - Menlo Park Comment
  JROH1256  Sonchus asper subsp. asper John H. Thomas 1968-5-3 14438 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA176778  Sonchus oleraceus John H. Thomas 1963-5-20 10112 San Mateo Ano Nuevo Island, 1/2 mile off shore and about 20 miles NW of Santa Cruz. Comment
  UCSB17217  Sonchus oleraceus Schulte, John 1963-4-26 San Mateo Jasper Ridge, 3 miles southwest of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  JROH5949  Sparaxis tricolor Trevor Hebert, John Rawlings 2017-4-6 2015 San Mateo Jasper Ridge Biological Preserve, Stanford University; near the Sand Hill Rd. fence-line northeast of the intersection of Road L and Road H 124 Comment
  UCD92988  Spartina foliosa Malcolm A. Nobs; S. Galen Smith 1949-8-27 1622 San Mateo E of Redwood City. Comment
  RSA65493  Spergula arvensis Mabel Peirson 1926-2-24 6520 San Mateo Moss Beach. Comment
  UCSC003832  Spergula arvensis Unknown unknown s.n. San Mateo Half Moon Bay, 2 miles inland. Half Moon Bay Comment
  RSA15628  Spergula arvensis C. B. Wolf 1928-2-16 1476 San Mateo Near Alpine Road. Comment
  UCD99177  Spergula arvensis J. D. Skoss 1948-7-25 51 San Mateo San Vicente Canyon near Montara. Comment
  JEPS51204  Spergula arvensis subsp. arvensis W. L. Jepson 1923-10-18 10257 San Mateo hills w. Colma (near ocean) Comment
  CAS-BOT-BC390205  Spergularia bocconi Elizabeth McClintock; Paul Reeberg 1989-6-3 s.n. San Mateo San Bruno Mountains. P.G.&E. Marsh Comment
  CAS-BOT-BC390207  Spergularia bocconi Alice Eastwood 1937-7-25 18888 San Mateo Pebble Beach, Pescadero Comment
  CDA24131  Spergularia macrotheca T. C. Fuller 1967-6-13 15939 San Mateo Half Moon Bay Harbor, north edge of the town of Half Moon Bay. 0 Comment
  CAS-BOT-BC390461  Spergularia macrotheca var. macrotheca J. S. Rowley 1931-6-7 s.n. San Mateo Pigeon Point 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-BC390466  Spergularia macrotheca var. macrotheca W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. By grade, south slope Montara Mts. and near the ocean Comment
  CAS-BOT-BC390469  Spergularia macrotheca var. macrotheca David D. Keck 1933-5-11 2297 San Mateo Montara Light House and Radio Station Comment
  CAS-BOT-BC390473  Spergularia macrotheca var. macrotheca G. B. Rossbach; R. P. Rossbach 1937-11-25 610 San Mateo 3 mi. south of Half Moon Bay Comment
  UCD39015  Spergularia marina Beecher Crampton 1962-6-11 6513 San Mateo Pacifica, Rockaway Beach, State Hwy. 1. Comment
  UCD169489  Spergularia marina Peter H. Raven 1950-5-7 2039 San Mateo Moss Beach. 24 Comment
  POM224475  Stachys ajugoides L. S. Rose 1936-5-23 s.n. San Mateo E. of Crystal Springs Lake. 152 Comment
  SD39617  Stachys ajugoides var. ajugoides Edith A. Purer 1933-7-27 5358 San Mateo Pigeon Point Comment
  UCLA70851  Stachys ajugoides var. rigida A. A. Heller 1907-5-28 San Mateo above Crystal Springs (Half Moon Bay road) Comment
  JROH2901  Stachys bullata John Hunter Thomas 1977-6-16 18793 San Mateo Jasper Ridge Biological Preserve, Stanford University; along raised causeway Comment
  SBBG6546  Stachys bullata H. and M. Dearing 1933-5-14 San Mateo Skyline Drive, S of San Francisco Comment
  UC100826  Stachys bullata J. Burtt Davy Jun 21 1893-Jun 23 1893 San Mateo Pilarcitos Lake and Canyon Comment
  POM283275  Stachys bullata Lyman Benson 1928-12-15 828 San Mateo La Honda, Santa Cruz Mountain Range, North slope. 213 Comment
  POM63312  Stachys bullata A. D. E. Elmer 1903-06 4417 San Mateo San Mateo Comment
  RSA116680  Stachys bullata Josephine Randall 1907-4-27 186 San Mateo Kings Mt. Road. Comment
  UC191758  Stachys bullata E. L. Greene 1887-6-11 San Mateo Comment
  UCD125565  Stachys bullata Alan T. Whittemore 1976-5-31 136 San Mateo Alpine Road, near east end of Corte Madera Creek Trail. Comment
  UC306579  Stachys pycnantha A. D. E. Elmer June, 1903 4261 San Mateo Alpine School House Comment
  RSA0109085  Stachys pycnantha Carl B. Wolf 1927-7-1 535 San Mateo Above Emerald Lake, back of Redwood City. Comment
  UCR279846  Stachys rigida subsp. quercetorum Peter Rubtzoff 1975-10-11 8425 San Mateo San Francisco Bay Region, San Bruno Mountains. 'Saddle'area on north side of Guadalupe Canyon Parkway, west of Radio Road junction 220 Comment
  SEINET10499276 Image available Stachys rigida subsp. quercetorum A. Arthur Heller 1907-5-28 Heller 8577 San Mateo Above Crystal Springs on the Half Moon Bay road Comment
  CAS-BOT-BC5594  Stachys rigida var. quercetorum A. A. Heller 1907-5-28 8574 San Mateo Above Crystal Springs on the Half Moon Bay road. 137 Comment
  CAS-BOT-BC5588  Stachys rigida var. quercetorum A. A. Heller 1907-5-28 8581 San Mateo Back of San Mateo on the Half Moon Bay road, about 3 miles beyond San Mateo 91 Comment
  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-BC374794  Stebbinsoseris heterocarpa K. L. Chambers 1952-5-24 418 San Mateo 1.2 mi. towards Woodside from Skyline junction of Woodside-La Honda road, (1.2 mi. e. of Skyline Blvd.). [Locality info from collection label and voucher label combined.] Comment
  CAS-BOT-BC394059  Stellaria media Josephine D. Randall 1908-2-16 s.n. San Mateo Corte de Madera Canon near Alpine Road; Santa Cruz Peninsula Comment
  CAS-BOT-BC375211  Stephanomeria elata Elizabeth McClintock; Walter Knight; Irja Knight 1967-8-1 s.n. San Mateo San Bruno Mountain. South side of Ridge Road about 200 yards south of Parking Lot Comment
  JROH5320  Stipa lepida Duncan M. Porter 1960-4-22 649 D San Mateo Jasper Ridge Biological Preserve, Stanford University; meadow near crest of N-facing slope above Webb Ranch Comment
  JROH5327  Stipa lepida W. Lennihan 1989-4-6 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 9, halfway from lake to top. Comment
  UCR182946A  Stipa tenuissima L. Kuwahara 2006-6-1 PDR- 1359399 San Mateo east side of Skyline Blvd., 3/4 mile south of State Hwy 92 360 Comment
  SEINET958410  Stuckenia pectinata Ira L. Wiggins, R. S. Terris 1939-1 9293 San Mateo Ano Nuevo Point. Comment
  SEINET12265437  Symphoricarpos albus J. I. McMurphy 1906-1 75 San Mateo Santa Cruz Peninsula, Woodside, Santa Cruz Mts 152 Comment
  CAS-BOT-BC271648  Symphoricarpos albus var. laevigatus John H. Thomas 1961-5-7 9267 San Mateo San Bruno Mountain in northern part of county 396 Comment
  JEPS29414  Symphoricarpos albus var. laevigatus L. R. Heckard 1961-7-16 1261 San Mateo near San Bruno Mt. summit (ne of transmitting station KQED); San Bruno Mt. 335 Comment
  UC1119620  Symphyotrichum chilense A. E. Wieslander 1935-2-3 506 San Mateo .5 me se of Pigeon Pt.; Santa Cruz Quad. 30 Comment
  JEPS49084  Symphyotrichum subspicatum Lewis S. Rose 1966-8-15 66083 San Mateo Pillar Point Comment
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Feb 2 2012
  UC1536888  Symphyotrichum subspicatum G. H. True Jr. 1936-6-14 507 San Mateo in canyon s of Salada Beach 304 Comment
  CAS-BOT-BC376710  Tanacetum bipinnatum Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountain. Radio Road Comment
  JROH1281  Tanacetum parthenium John Hunter Thomas 1991-11-21 25107 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing of San Francisquito Creek Comment
  UCSB18688  Taraxia ovata Schulte, John 1963-4-27 San Mateo Jasper Ridge; 3 miles southwest of Stanford Campus; between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  JROH371  Tauschia hartwegii Carol Zabel 1989-3-4 4 San Mateo Jasper Ridge Biological Preserve, Stanford University; diagonal trail between Trail 14 and Trail 8, by steps Comment
  RSA210918  Taxus brevifolia John H. Thomas 1968-12-18 14866 San Mateo Oakland YMCA Camp near Loma Mar, between Pescadero and La Honda Comment
  CAS-BOT-BC447469  Tellima grandiflora Walter Knight; Irja Knight 1965-4-11 1064 San Mateo Colma Canyon in wet, shaded area. Comment
  UC1300841  Tellima grandiflora Helen K. Sharsmith 1963-3-23 5250 a San Mateo between Pescadero and San Gregorio; San Francisco Bay Region 15 Comment
  JROH3515  Thalictrum fendleri var. polycarpum John Hunter Thomas 1991-4-11 24987 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC311127  Thalictrum fendleri var. polycarpum A. D. E. Elmer June, 1903 4425 San Mateo Butano Creek Comment
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Sep 6 2011
  UC74944  Thalictrum fendleri var. polycarpum C. F. Baker 1902-5-1 692 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC399841  Thalictrum polycarpum A. D. E. Elmer 1903-6-1 4425 San Mateo Butano Creek Comment
  CAS-BOT-BC399842  Thalictrum polycarpum A. D. E. Elmer 1903-6-1 4425 San Mateo Butano Creek Comment
  CAS-BOT-BC399849  Thalictrum polycarpum Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo San Bruno Mountain Comment
  SEINET12086638  Thalictrum polycarpum P. R. Hichborn 1920-1 147 San Mateo Portola Valley, Santa Cruz Mountain Peninsula Comment
  JROH400  Torilis nodosa John Hunter Thomas 1988-4-28 24416 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA347049  Torreya californica Lyman Benson 1930-6-14 2156 San Mateo Small creek, south La Honda, Santa Cruz Mountain Range 244 Comment
  RSA45321  Torreya californica I. L. Wiggins 1945-5-5 11161 San Mateo Along La Honda Creek about 1 mile above La Honda 152 Comment
  JROH4755  Toxicoscordion fremontii John H. Thomas 1956-4-7 5604 San Mateo Jasper Ridge Biological Preserve, Stanford University. Open serpentine area on top of ridge and adjacent slopes Comment
  CDA7720  Tragopogon dubius I. J. Campbell 1964-11-19 San Mateo State Highway 1 & Whitehouse Ranch Road, Pescadero. 0 Comment
  CAS-BOT-BC377139  Tragopogon porrifolius Cherie Wetzel 1969-6-20 888 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  CAS-BOT-BC389711  Tragopogon porrifolius L. Sigal 1969-5-1 280 San Mateo Campus of San Mateo Comment
  JROH4296  Tribulus terrestris Toni Corelli 2005-9-14 305 a San Mateo Jasper Ridge Biological Preserve, Stanford University; along road B just west of entrance to Dennis Martin marker site 168 Comment
  CHSC42204  Trientalis latifolia Rusti Gammon 1986-3-30 12 San Mateo Ca. 8.1 mi sw of Saratoga, 4.1 mi w off hwy 9. 569 Comment
  JROH3395  Trientalis latifolia John Hunter Thomas 1981-5-5 20538 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM131281  Trientalis latifolia C. F. Baker 1902-3-30 427 San Mateo Crystal Springs Lake Comment
  RSA460866  Trientalis latifolia E. S. Spalding 1924-6-28 s.n. San Mateo San Mateo, La Honda Comment
  UC16490  Trifolium albopurpureum var. dichotomum Alice Eastwood May 1896 San Mateo Crystal Springs Comment
  CAS-BOT-BC157980  Trifolium amplectens Peter Rubtzoff 1976-3-28 8450 A San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio junction; in East Fork Colma Creek canyon area Comment
  SJSU15224  Trifolium angustifolium Toni Corelli 2010-6-1 640 San Mateo Wavecrest, west of Highway 1 in Half Moon Bay 22 Comment
  JROH2241  Trifolium barbigerum John H. Thomas 1974-4-25 17202 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge Comment
  JROH2243  Trifolium barbigerum John Hunter Thomas 1986-4-18 23957 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD147019  Trifolium barbigerum Robert E. Preston 2011-6-16 2864 San Mateo Santa Cruz Mtns, Oil Creek watershed, 1.7 mi NW of Waterman Gap. 298 Comment
  JROH2255  Trifolium campestre John Rawlings 2011-5-3 1076 San Mateo Jasper Ridge Biological Preserve, Stanford University; grassy verge of Trail 10 opposite upper end of wet meadow 183 Comment
  RSA120981  Trifolium ciliolatum W. R. Dudley 1904-4-23 s.n. San Mateo Lower part Goat Ranch Road. Comment
  UC631216  Trifolium depauperatum var. amplectens P. B. Kennedy 1928-5-2 10099 San Mateo e Daly City (hills) Comment
  JROH2266  Trifolium depauperatum var. truncatum John H. Thomas 1956-4-7 5612 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2274  Trifolium depauperatum var. truncatum John Hunter Thomas 1982-4-18 20871 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA8349  Trifolium dichotomum L. S. Rose 1933-5-17 33172 San Mateo Redwood City Comment
  SJSU7635  Trifolium dubium D. D. Kohler 1963-4-11 San Mateo by Skyline Blvd, 3 mi N of San Bruno Comment
  JEPS101282  Trifolium fucatum Dean W. Taylor 1991-5-20 11792 San Mateo coastal bluffs near south bank of Pescadero Creek at Highway 1 9 Comment
  JROH2289  Trifolium fucatum John H. Thomas 1966-4-12 11565 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC866776  Trifolium fucatum Alice Eastwood 1915-6-13 4720 San Mateo Granada Comment
  POM18836  Trifolium fucatum var. fucatum C. F. Baker 1902-5-1 693 San Mateo Belmont Comment
  SJSU15217  Trifolium glomeratum Toni Corelli 2010-5-5 625 San Mateo Ano Nuevo State Park, Cascade Field 9 Comment
  JROH2312  Trifolium glomeratum Ann Lambrecht 2006-4-21 23 San Mateo Jasper Ridge Biological Preserve, Stanford University; roadside, N side of Road A, in old seven acre lease lot Comment
  UCSB8433  Trifolium gracilentum Haller, John 1950-3-24 San Mateo Near Atherton, 3 miles northwest of Stanford University Comment
  SJSU659  Trifolium grayi J. E. Hagerty 1950-5-20 San Mateo Pescadero Comment
  JROH2325  Trifolium hirtum John Hunter Thomas 1985-5-2 23578 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2336  Trifolium hybridum John Hunter Thomas 1983-6-2 22326 San Mateo Jasper Ridge Biological Preserve, Stanford University; near the low-flow crossing Comment
  RSA120982  Trifolium macraei W. R. Dudley s.n. San Mateo Near Colma Comment
  UCD109276  Trifolium oliganthum R. Tofsrud 1952-1 2 San Mateo Near Foster. Comment
  UCSC006098  Trifolium oliganthum Randall Morgan 1996-5-24 2972 San Mateo Pescadero Creek Comment
  JROH2377  Trifolium variegatum John H. Thomas 1961-4-8 9070 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2380  Trifolium variegatum John H. Thomas 1968-4-19 14302 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2387  Trifolium variegatum John Hunter Thomas 1981-4-23 20470 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  OBI75561  Trifolium variegatum Lewis S. Rose 1937-5-2 37251 San Mateo Burlingame 91 Comment
  RSA131360  Trifolium variegatum var. melananthum John H. Thomas 1955-5-6 4999 San Mateo Jasper Ridge about 3.5 miles southwest of Stanford University. 152 Comment
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Feb 5 2019
  RSA6422  Trifolium variegatum var. melananthum D. D. Keck 1434 San Mateo Burlingame 2 Comment
  JROH2393  Trifolium willdenovii John H. Thomas 1955-5-6 5008 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA28299  Trifolium willdenovii T. C. Fuller 1967-6-13 15942 San Mateo Half Moon Bay Harbor, north edge of the town of Half Moon Bay. 0 Comment
  SEINET10862681  Trifolium willdenovii Robert V. Bradshaw 1922-4-10 Bradshaw 2548 San Mateo Jasper Ridge Comment
  UC204176  Trifolium wormskioldii A. D. E. Elmer May 1903 4644 San Mateo Lake San Andreas Comment
  SD38499  Triglochin scilloides Delzie Demaree 1932-5-30 9189 San Mateo Lake Los Francos Woods. Comment
  JROH4722  Trillium chloropetalum John H. Thomas 1964-4-19 10330 San Mateo Jasper Ridge Biological Preserve, Stanford University. Area below dam in among redwoods near creek Comment
  SEINET5577479  Trillium chloropetalum H. S. Gentry 1931-1 1 San Mateo Collected 1.5 miles west of San Mateo, Half-moon Bay road. Comment
  CAS-BOT-BC521061  Trillium chloropetalum var. giganteum W. R. Dudley 1894-3-26 s.n. San Mateo Kings Mt. Comment
  CAS-BOT-BC521062  Trillium chloropetalum var. giganteum Walter & Irja Knight 1965-3-21 995 San Mateo San Bruno Mountain Comment
  CAS-BOT-BC521066  Trillium chloropetalum var. giganteum Elizabeth McClintock 1965-4-11 s.n. San Mateo San Bruno Mountain: Mouth of Colma Canyon near Indian Head Rock Comment
  CAS-BOT-BC521069  Trillium chloropetalum var. giganteum C. F. Leithold 1894-7-29 s.n. San Mateo Santa Cruz Peninsula: Near La Honda 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
  SEINET12046255  Trillium chloropetalum var. giganteum C. F. Leithold 1894-1 s.n. San Mateo Santa Cruz Peninsula, Woodside Comment
  CAS-BOT-BC133445  Trillium ovatum W. R. Dudley 1903-5-2 s.n. San Mateo Near Iverson's (Near Pescadero) Comment
  CAS-BOT-BC133447  Trillium ovatum Elmer I. Applegate 1895-3-9 43 San Mateo Near Woodside Comment
  UC202804  Trillium ovatum A. D. E. Elmer April, 1903 4752 San Mateo Portola Comment
  CAS-BOT-BC133428  Trillium ovatum W. R. Dudley 1896-3-26 s.n. San Mateo Purisima Creek above King's Comment
  SD39140  Trillium sessile Edith A. Purer 1933-4-18 3619 San Mateo No further locality information given on label on specimen sheet. Comment
  JEPS40977  Triphysaria eriantha subsp. rosea Lewis S. Rose 1965-3-25 65010 San Mateo n end San Bruno Mts.; n end San Bruno Mts. 121 Comment
  CAS-BOT-BC238574  Triphysaria floribunda W. C. McCalla 1925-4-29 3437 San Mateo Along Skyline Blvd., 15 miles south of San Francisco Comment
  CAS-BOT-BC238578  Triphysaria floribunda Javier Penalosa 1963-3-30 2734 San Mateo San Bruno Mountain. North of Randolph Drive at Hillside Blvd. in SSF 289 Comment
  UC138991  Triphysaria floribunda C. F. Baker 1903-4-8 1926 San Mateo San Andreas Lake Comment
  UC75150  Triphysaria floribunda C. F. Baker 1902-3-22 346 San Mateo South San Francisco Comment
  JROH4135  Triphysaria pusilla John H. Thomas 1966-4-6 11549 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4140  Triphysaria pusilla John H. Thomas 1978-4-8 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU16036  Triphysaria versicolor subsp. versicolor Toni Corelli, John Rawlings 2016-4-29 1767 San Mateo Along Atkinson Bluff Trail and throughout Cascade Field, north of Cascade Cr. Trail, in Ano Nuevo State Park 11 Comment
  JROH5468  Trisetum canescens John Rawlings 2013-4-16 1131 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along the Escobar Gate fence line about 100 m east of the gate. 149 Comment
  JROH4741  Triteleia hyacinthina John Hunter Thomas 1981-4-30 20519 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC635229  Triteleia hyacinthina Margaret Stason 1924-5-18 San Mateo Jasper Ridge Sandhill Road Comment
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Sep 19 2011
  SEINET10833773  Triteleia ixioides subsp. ixioides Ernest A. McGregor McGregor s.n. 1907 San Mateo Plants of the Santa Cruz Mountain Peninsula. Portola Valley. Comment
  RSA18305  Triteleia laxa Carl B. Wolf 1927-5-31 411 San Mateo North end of Searsville Lake. Comment
  SD626  Triteleia laxa U. S. Grant IV 1925-6-15 San Mateo La Honda. Comment
  UCR101434  Triteleia laxa George K. Helmkamp, E. A. Helmkamp 1998-5-16 3752 San Mateo Portola Valley, Golden Hills Rd along Los Trancos Creek 107 Comment
  CAS-BOT-BC526364  Triteleia laxa Philip C. Wheeler 1965-6-8 s.n. San Mateo Crocker Hills, San Bruno Mountain Comment
  JROH5540  Typha angustifolia John Hunter Thomas 1982-11-6 21203 San Mateo Jasper Ridge Biological Preserve, Stanford University. Delta along edge of Searsville Lake Comment
  UCD94642  Typha angustifolia H. A. Borthwick 1925-6-15 1965 San Mateo Mud Lake, Stanford. Comment
  UC241789  Typha latifolia Malcolm A. Nobs and S. Galen Smith 1949-8-25 1554 San Mateo Sharp Park; along ocean coast, Sharp Park Comment
  CAS-BOT-BC212678  Ulex europaeus John H. Thomas 1974-5-7 17312 San Mateo San Bruno Mountain, norther part opf county. Near the Radio Broadcast Towers near summit. Comment
  CAS-BOT-BC91225  Umbellularia californica Elizabeth McClintock 1966-9-29 s.n. San Mateo San Bruno Mountains. In a canyon adjacent to northwestern edge of Brisbane. Comment
  CAS-BOT-BC91228  Umbellularia californica C. F. Leithold 1901-1-19 s.n. San Mateo Santa Cruz Mountain Peninsula. Coal Mine Canyon near Black Mountain. Comment
  JROH135  Umbellularia californica John H. Thomas 1959-8-22 8081 San Mateo Jasper Ridge Biological Preserve, Stanford University 182 Comment
  JROH146  Umbellularia californica John Hunter Thomas 1991-12-28 25117 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM272292  Umbellularia californica Lyman Benson 1931-2-16 2582 a San Mateo Stanford University, San Francisquito Creek. 61 Comment
  RSA15629  Umbellularia californica C. B. Wolf 1928-2-11 1471 San Mateo East base of Kings Mt. road. Comment
  JROH1297  Uropappus lindleyi John Hunter Thomas 1992-5-5 25209 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA7780  Urospermum picroides T. C. Fuller 1974-5-21 19991 San Mateo San Pedro Valley County Park, 0.2 miles east of the end of Linda Mar Boulevard, Pacifica. 0 Comment
  RSA249475  Urtica dioica subsp. holosericea John F. Emmel 1972-6-15 407 San Mateo At edge of eucalyptus grove, 0.1 air mile SW of jct Radio Road and Guadalupe Cyn Parkway, San Bruno Mtns. 221 Comment
  JEPS43426  Urtica urens W. L. Jepson 1921-4-3 9105 San Mateo Colma, Colma Canyon Colma Canyon; Colma, Colma Canyon Comment
  RSA152074  Urtica urens John H. Thomas 1961-5-6 9225 San Mateo About 0.25 mile west of center of Pescadero. 15 Comment
  RSA195561  Urtica urens John H. Thomas 1967-2-9 12405 San Mateo Half Moon Bay. Near Mills St. and Purissima St. Comment
  CAS-BOT-BC199179  Vaccinium cespitosum Elizabeth McClintock; Arthur Menzies 1963-2-16 s.n. San Mateo Near radio station on San Bruno Mountain, Kamchatka Point Comment
  SJSU6082  Vaccinium cespitosum S. H. Casey 1969-5-18 263 San Mateo Kamtchatka Point, San Bruno Mt Comment
  CAS-BOT-BC199360  Vaccinium ovatum J. I. McMurphy 1906-5-20 79 San Mateo Kings Mt., Santa Cruz Mts. 457 Comment
  CAS-BOT-BC199365  Vaccinium ovatum Elizabeth McClintock 1966-5-1 s.n. San Mateo Kamchatka Point Comment
  RSA152267  Vaccinium ovatum John H. Thomas 1961-5-7 9298 San Mateo San Bruno Mountain in northern part of county. 305 Comment
  SBBG33994  Vaccinium ovatum L. S. Rose 1969-3-27 San Mateo Kings Mtn Rd, 4 mi W of Woodside 304 Comment
  SJSU11091  Vaccinium ovatum S. H. Casey 1969-5-18 260 San Mateo near summit San Bruno Mt Comment
  UC634722  Vaccinium ovatum Herbert L. Mason 1927-4-23 3671 San Mateo La Honda Comment
  CAS-BOT-BC199354  Vaccinium ovatum R. Stinchfield 1913-11-1 176 San Mateo King's Mt. Trail Comment
  CAS-BOT-BC199463  Vaccinium parvifolium L. R. Abrams 1909-8-1 4247 San Mateo Between La Honda & Pescadero Comment
  POM131821  Vaccinium parvifolium E. B. Copeland 1903-5-9 3249 San Mateo Big Basin of Pescadero Creek. Comment
  CAS-BOT-BC76144  Vancouveria planipetala A. D. E. Elmer 1903-5-1 4922 San Mateo Iverson's Place. Pescadero Creek. Comment
  UCR2942  Vancouveria planipetala Wm. Horn Jr. 1963-4-9 630409- 3 San Mateo San Francisco Bay region, Hillsborough, 2240 Redington Rd. 30 Comment
  JROH4147  Verbascum thapsus John Hunter Thomas 1981-9-24 20746 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4257  Verbena lasiostachys var. lasiostachys John H. Thomas 1962-5-31 9895 San Mateo Jasper Ridge Biological Preserve, Stanford University. Oak woodland near Westridge end of ridge Comment
  SJSU15962  Verbena lasiostachys var. lasiostachys John Rawlings, Ken Hickman 2016-5-26 1838 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
  JROH4272  Verbena lasiostachys var. scabrida John H. Thomas 1968-5-22 14463 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near edge of lake Comment
  POM64686  Verbena robusta A. D. E. Elmer 1903-07 4950 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC157690  Veronica americana Peter Rubtzoff 1978-7-8 9231 San Mateo San Bruno Mountain. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  CAS-BOT-BC389667  Vicia americana Mark Nagumo 1966-4-23 s.n. San Mateo Right bank of road east of Crystal Springs Comment
  RSA100980  Vicia americana var. americana G. Oberlander 1949-4-30 122 San Mateo Cahill Ridge, San Francisco Watershed Reserve. Comment
  UC673611  Vicia americana var. americana Herbert L. Mason 1927-4-23 3675 a San Mateo summit of road from La Honda to Pescadero Creek Comment
  JROH2426  Vicia benghalensis John Hunter Thomas 1977-6-16 18797 -1 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CHSC23153  Vicia gigantea Robert A. Schlising 1963-2-23 2435 San Mateo Coast Range. 21 miles north of Davenport, along Highway 1. 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
  UC1176928  Vicia sativa Peter H. Raven 1950-6-3 2215 San Mateo Millbrae; along Millbrae Ave 60 Comment
  JROH2435  Vicia sativa subsp. nigra John H. Thomas 1975-4-19 17798 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2440  Vicia sativa subsp. nigra John Hunter Thomas 1991-4-25 24996 San Mateo Jasper Ridge Biological Preserve, Stanford University; Rattlesnake Rocks Comment
  JROH2447  Vicia sativa subsp. sativa John Hunter Thomas 1981-4-30 20516 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH424  Vinca major John H. Thomas 1977-4-8 18517 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Portola Rd. and Sand Hill Rd. Comment
  CAS-BOT-BC264043  Viola adunca Catherine A. Toschi 1963-3-17 63 :70 San Mateo San Bruno Mountain. NE slope below radio station Comment
  JEPS91201  Viola glabella Dean W. Taylor 1972-2-27 1336 San Mateo near San Andreas Lake 121 Comment
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Feb 2 2012
  POM135220  Viola glabella C. F. Baker 1902-3-18 332 San Mateo King's Mountain Comment
  UC1206455  Viola glabella Brannan and Kellogg 1870-5-31 San Mateo San Gregorio Comment
  RSA15278  Viola glabella Carl B. Wolf 1927-4-3 244 San Mateo 1 mile above La Honda. Santa Cruz Mountains. Comment
  UC581538  Viola ocellata Herbert L. Mason 1927-4-23 3696 San Mateo Pescadero Creek near Bloomquists Mill; Pescadero Creek Comment
  RSA412720  Viola pedunculata Glenn A. Gorelick 1967-4-15 s.n. San Mateo San Bruno Mts. overlooking Daly City near San Francisco. Comment
  UC1057444  Viola pedunculata G. Thomas Robbins 1937-4-11 84 San Mateo on slopes above Spring Valley Lake (s of San Francisco) Comment
  UCD166151  Viola purpurea subsp. quercetorum Jack Major; M. Forde and S. Bamberg 1962-4-3 735 San Mateo Above Finney Creek. (Exact location unknown. Coordinates estimated by label maker). 121 Comment
  UC581490  Viola sempervirens Lucile Roush March 1928 San Mateo Butano Creek; Santa Cruz Mountains, Butano Creek Comment
  UC828617  Viola sempervirens Charles Piper Smith 1908-3-28 1373 San Mateo Kings' Mountain House; The Pacific Slope, Kings' Mountain House Comment
  CAS-BOT-BC199819  Vulpia John H. Thomas 1964-4-30 10373 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC210154  Vulpia bromoides Peter Rubtzoff 1977-6-7 9031 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction.