Search Results — 2000 specimen records retrieved (1345 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
  UC177927  Abelia X grandiflora Harriet A. Walker 1914-8-24 3650 San Mateo Cultivated at Hillsborough Comment
  SEINET7042346  Abronia villosa A. G. Vestal 1962-3-26 s.n. San Mateo Laguna Salada. San Francisco South quadrangle UTM Zone 10, 545384mE, 4164305mN. Comment
  JROH2957  Abutilon theophrasti Carol Zabel 2006-8-21 62 San Mateo Jasper Ridge Biological Preserve, Stanford University; resident ranger's yard Comment
  CAS-BOT-BC451116  Acaena pinnatifida var. californica A. D. E. Elmer 1903-4-1 4823 San Mateo San Bruno Hills Comment
  UC729677  Acaena pinnatifida var. californica Carl B. Wolf 1929-5-25 3732 San Mateo Pebble Beach s. of Pescadero; Pebble Beach Comment
  POM308816  Acaena pinnatifida var. californica I. L. Wiggins 1942-5-26 10096 San Mateo 2.5 miles S of Pescaderon, on the old Coast road Comment
  CAS-BOT-BC219601  Acanthomintha duttonii Lewis S. Rose 1936-5-28 36303 San Mateo Emerald Lake, W. of Redwood City 91 Comment
  CAS-BOT-BC219606  Acanthomintha duttonii D. K. Gillespie 1930-4-21 9220 San Mateo Emerald Lake near Redwood City Comment
  UC1397619  Acanthomintha duttonii H. Dutton and Miss H. Walker May 26 1915-May 29 1915 321 San Mateo near Menlo Golf Club Comment
  LA55133  Acanthomintha ilicifolia Harry A. Dutton; Harriet A. Walker 1915-5-29 3819 San Mateo near the Menlo Golf Club Comment
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Jul 30 2017
  RSA232565  Acanthomintha ilicifolia A. D. E. Elmer 1903-05 4538 San Mateo Crystal Springs Lake. Comment
Read comments
Jul 30 2017
  POM294370  Acanthomintha obovata subsp. duttonii Dutton, Walker 1915-1 s.n. San Mateo Menlo Park Comment
  RSA0076542  Acanthomintha obovata subsp. duttonii L. S. Rose 1933-5-17 33171 San Mateo Redwood City. Comment
  CAS-BOT-BC333293  Acer macrophyllum George Oberlander 1950-4-2 583 San Mateo San Francisco Watershed Reserve. South, Lake Pilarcitos Comment
  UCD117084  Acer negundo C. F. Baker 1902-5-15 472 San Mateo Crystal Springs Lake. Comment
  HSC2819  Acer negundo var. californicum P. A. Murphy 1965-4-15 22 San Mateo On San Mateo Rd. 2 mi. from Hillsbrough city limits Comment
  CAS-BOT-BC21580  Achillea millefolium John H. Thomas 1963-7-19 10186 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz at northern end of island Comment
  CAS-BOT-BC21584  Achillea millefolium Fred Hemphill 1973-5-6 760 San Mateo San Carlos. North of Malabar Rd. and Melendy Dr. 207 Comment
  JROH449  Achillea millefolium John Hunter Thomas 1983-6-29 22701 San Mateo Jasper Ridge Biological Preserve, Stanford University; top of Rattlesnake Rock 105 Comment
  JROH457  Achyrachaena mollis John H. Thomas 1955-5-6 4981 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC29101  Achyrachaena mollis David D. Keck 1932-5-6 1489 San Mateo 4 miles west of Burlingame, at junction of Burlingame Rd and Skyline Blvd Comment
  SEINET957844  Acmispon brachycarpus A. D. E. Elmer 1903-1 3698 San Mateo Leland Stanford universoty. Belmont. Comment
  CAS-BOT-BC389697  Acmispon glaber Mary K. Wicksten 1975-6-19 129 San Mateo Mt. Ellen Trail Comment
  JROH2076  Acmispon glaber var. glaber John Hunter Thomas 1989-5-11 24728 San Mateo Jasper Ridge Biological Preserve, Stanford University; near hillside laboratory 157 Comment
  JROH2079  Acmispon strigosus John H. Thomas 1975-4-18 17787 a San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2109  Acmispon strigosus John H. Thomas 1961-4-29 9193 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2098  Acmispon wrangelianus John H. Thomas 1974-4-4 17078 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD37804  Acmispon wrangelianus Janet Turner 1933-4-18 3675 San Mateo Emerald Lake. Comment
  CAS-BOT-BC391674  Actaea rubra A. D. E. Elmer 1903-5-1 4703 San Mateo Butano Creek Comment
  CAS-BOT-BC391681  Actaea rubra Roland Block 1924-7-1 s.n. San Mateo King Mountain Comment
  POM270478  Actaea rubra subsp. arguta Lyman Benson 1937-7-15 8450 San Mateo Upper San Francisquito Creek, Santa Cruz Mountains; San Francisco Bay watershed. 244 Comment
  CAS-BOT-BC29291  Adenocaulon bicolor H. L. Mason 1921-7-1 s.n. San Mateo Butano Creek Comment
  JROH3585  Adenostoma fasciculatum var. fasciculatum John H. Thomas 1974-5-29 17403 San Mateo Jasper Ridge Biological Preserve, Stanford University. Chaparral near Riders' shack 145 Comment
  RSA85065  Adenostoma fasciculatum var. fasciculatum D. D. Keck 1932-5-25 1781 San Mateo Hills 2 miles W of Belmont Comment
  RSA95821  Adenostoma fasciculatum var. fasciculatum L. S. Rose 1953-6-29 53045 San Mateo Emerald Lake, hills w. of Redwood City 91 Comment
  CAS-BOT-BC65517  Adiantum aleuticum John Hunter Thomas 1955-3-18 4689 San Mateo Five miles up Tunitas Creek Road from coast 304 Comment
  POM281116  Adiantum aleuticum Lyman Benson 1929-3-2 973 San Mateo Kings Mountain Comment
  UC42051  Adiantum aleuticum F. P. McLean 1873-1 San Mateo Pescadero Comment
  JROH5909  Adiantum jordanii M. Ray 1982-5-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail along San Francisquito Creek, near Redwood Grove Comment
  JROH2709  Aesculus californica John H. Thomas 1974-5-29 17407 San Mateo Jasper Ridge Biological Preserve, Stanford University 92 Comment
  RSA12768  Aesculus californica Carl B. Wolf 1934-11-13 6242 San Mateo Menlo Park, in vacant area at Cambridge Ave and Cornell Road, NW of San Francisquito Creek. 15 Comment
  SEINET3558831 Image available Aesculus californica Lewis S. Rose 1934-5-15 34260 San Mateo Burlingame. Comment
  SD41371  Agoseris apargioides Edith A. Purer 1933-8-25 5515 San Mateo Sand dunes, near Skyline Drive. Comment
  SD30732  Agoseris grandiflora Edith A. Purer 1933-6-4 3655 San Mateo Spring Valley Lakes Comment
  JROH484  Agoseris grandiflora var. grandiflora John Hunter Thomas 1981-5-8 20557 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC46171  Agoseris heterophylla Margaret A. Barry 1937-5-15 132 b San Mateo Coal Mine Ridge Comment
  JROH492  Agoseris heterophylla John Hunter Thomas 1978-4-20 19074 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC15237  Agoseris hirsuta George Oberlander 1950-6-3 1023 -A San Mateo near San Andreas Lake, San Francisco Watershed Reserve Comment
  CAS-BOT-BC15238  Agoseris hirsuta Josephine D. Randall 1907-7-7 43 San Mateo Kings Mountain Road Comment
  CAS-BOT-BC15250  Agoseris hirsuta A. D. E. Elmer 1903-4-1 4930 San Mateo Cemeteries Comment
  CAS-BOT-BC15231  Agoseris hirsuta W. R. Dudley 1905-6-19 s.n. San Mateo Alpine School House, Black Mountain Comment
  CAS-BOT-BC15239  Agoseris hirsuta Josephine D. Randall 1907-11-9 s.n. San Mateo Alpine road to Black Mountain Comment
  RSA116649  Agoseris hirsuta W. R. Dudley 1906-6-11 s.n. San Mateo In field E of Kings Mt. House Comment
  SEINET10661050  Agropyron repens P. Rubtzoff 1977-6-21 Rubtzoff 9055 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Westernmost part of the area on slope across fence. Comment
  RSA128659  Agrostis avenacea P. H. Raven 1950-6-2 2272 San Mateo On the stand of San Andreas Lake. Comment
  UCSC008505  Agrostis blasdalei Randall Morgan 2013-5-24 5528 San Mateo Bean Hollow State Beach, about 100 m up trail from parking lot Comment
  SJSU15815  Agrostis densiflora John Rawlings, Toni Corelli 2016-5-13 1898 San Mateo Bean Hollow State Beach south bluff above beach 11 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
  JEPS129817  Agrostis exarata John Rawlings, Ken Hickman 2017-6-3 2095 B San Mateo Highway 92 west on ramp to Highway 280 north (Caltrans Right Way). Comment
  JROH4791  Agrostis hallii John Rawlings 2008-7-9 1028 San Mateo Jasper Ridge Biological Preserve, Stanford University; off of Trail 3 (just east of James Griffin's old blue oak plot southeast of the trail) in an open grassy area 182 Comment
  JROH4790  Agrostis pallens John Rawlings 2005-5-25 1039 San Mateo Jasper Ridge Biological Preserve, Stanford University. Just inside Escobar gate south of Road F and east of the gate near the fenceline. 160 Comment
  JROH4803  Agrostis pallens John Rawlings 2013-5-21 1162 San Mateo Jasper Ridge Biological Preserve, Stanford University. Uphill from power poles near path to Rattlesnake Rocks from Rd. D. 133 Comment
  SEINET7594107 Image available Agrostis pallens Henry E. Meser 1932-1 s. n. San Mateo Black Mountain Road, Hillborough Hills near Burlingame Comment
  JEPS101121  Aira caryophyllea Dean W. Taylor 1991-5-20 11786 San Mateo coastal bluffs near south bank of Pescadero Creek at Highway 1 9 Comment
  RSA87687  Aira caryophyllea Le Roy Abrams 1902-5-4 2405 San Mateo Woodside. Comment
  SEINET3917685  Aira caryophyllea K. Harper 1984-4-25 84 -7 San Mateo Along crest of Jasper Ridge, Research Preserve, Stanford University.; 0 Comment
  SEINET7594518 Image available Aira caryophyllea A. D. E. Elmer 1903-1 4705 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC138239  Aira caryophyllea var. caryophyllea A. D. E. Elmer 1903-5-1 4705 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC138240  Aira caryophyllea var. caryophyllea Margaret A. Barry 1937-5-15 105 San Mateo Coal Mine Ridge. Comment
  CAS-BOT-BC138242  Aira caryophyllea var. caryophyllea John H. Thomas 1955-4-6 4845 San Mateo San Bruno Mountain just north of South San Francisco. 91 Comment
  UC814494  Alisma plantago-aquatica Lewis S. Rose 1941-9-13 41440 San Mateo stream bottom San Mateo Canyon 60 Comment
  JROH4298  Alisma triviale L. R. Abrams 1917-10-9 6865 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake Comment
  CAS-BOT-BC445427  Alisma triviale Elizabeth McClintock; Paul Reeberg 1988-6-7 s.n. San Mateo San Bruno Mountains. P.G.&E. Marsh. Comment
  JROH4538  Allium amplectens H. L. Mason 1921-5-13 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1731201  Allium dichlamydeum Dean W. Taylor 1988-5-19 9644 San Mateo San Bruno Mountain, northern slope of southeast ridge of the mountain, near the ridgecrest, eastern-most set of PG&E high-voltage powerlines crossing the mountain 176 Comment
  UC398649  Allium dichlamydeum L. R. Abrams 1926-5-26 San Mateo a short distance s original station <type locality?> (w slope of San Bruno Hills); San Bruno Hills Comment
  CAS-BOT-BC467291  Allium dichlamydeum Walter Knight; Irja Knight 1964-5-30 603 San Mateo North facing slope, Colma Canyon Comment
  CAS-BOT-BC467296  Allium dichlamydeum Ned Cahill 1974-5-13 245 San Mateo Chaparral near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City. Comment
  CAS-BOT-BC471099  Allium lacunosum var. lacunosum Lewis S. Rose 1932-5-1 s.n. San Mateo Emerald Lake Comment
  CAS-BOT-BC132025  Allium peninsulare var. franciscanum Paul Arnaud 1941-4-19 s.n. San Mateo Redwood City - Hills - after Hesler farm entrance Comment
  JROH4560  Allium peninsulare var. franciscanum John Hunter Thomas 1986-5-8 24027 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
  JROH4561  Allium peninsulare var. franciscanum Toni Corelli 2003-5-28 259 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-BC169341  Alnus rubra John H. Thomas 1965-11-26 11456 San Mateo 2.5 miles up Tunitas Creek Road (as measured along the road) from the ocean 60 Comment
  CAS-BOT-BC169346  Alnus rubra Lewis S. Rose 1955-11-7 55189 San Mateo Tunitas stream banks 30 Comment
  CDA34348  Amaranthus retroflexus E. Finley 1990-10-25 s.n. San Mateo Redwood City, Jefferson St. at Lonesome Pine. 0 Comment
  JROH4575  Amaryllis belladonna Ann Lambrecht 2007-9-5 43 San Mateo Jasper Ridge Biological Preserve, Stanford University. At old garden near Douglas iris site. Comment
  CAS-BOT-BC44933  Ambrosia chamissonis David D. Keck 1931-10-5 1285 San Mateo 1 mile north of Salada Beach Comment
  SBBG45023  Ambrosia chamissonis L. S. Rose 1935-9-29 35653 San Mateo Granada 3 Comment
  RSA416938  Ambrosia chamissonis var. chamissonis D. D. Keck 1931-10-5 1285 San Mateo 1 mile north of Salada Beach, 200 meters from the ocean. Comment
  CAS-BOT-BC55575  Ambrosia psilostachya Elizabeth McClintock; Paul Reeberg 1988-10-11 s.n. San Mateo San Bruno Mountains, north of Kennedy School 198 Comment
  RSA181301  Amelanchier pallida John H. Thomas 1965-5-15 10657 San Mateo Santa Clara County: Mt. Hamilton Range road banks 1 mile toward San Jose along the Hwy from Smith Creek. Comment
  JEPS13156  Ammannia coccinea V. F. Hesse 1955-10-10 1719 San Mateo 4 mi from Pescadero (near Butano road) 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-BC214046  Amsinckia Mrs. E. C. Sutliffe 1933-5-25 s.n. San Mateo Purissima Canyon Comment
  JROH1337  Amsinckia intermedia John H. Thomas 1964-4-19 10324 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lake Comment
  RSA0089684  Amsinckia intermedia John H. Thomas 1964-4-19 10324 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Near Searsville Lake. Comment
  JROH1345  Amsinckia menziesii John H. Thomas 1966-4-29 11589 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1352  Amsinckia menziesii John Hunter Thomas 1987-4-7 24178 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Dam Comment
  JROH1354  Amsinckia menziesii John Hunter Thomas 1987-5-15 24281 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing Comment
  RSA0089951  Amsinckia menziesii John H. Thomas 1966-4-29 11589 San Mateo Jasper Ridge Biological Experimental Area, 5 miles SW of Palo Alto. Comment
  JROH3372  Anagallis minima John H. Thomas 1968-4-19 14304 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3374  Anagallis minima John H. Thomas 1974-4-25 17214 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  CAS-BOT-BC45184  Anaphalis margaritacea Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo San Bruno Mountain, east facing slope below parking lot Comment
  CAS-BOT-BC64291  Anaphalis margaritacea Delzie Demaree 1938-8-20 18061 San Mateo South San Francisco Comment
  UCD128852  Anaphalis margaritacea J. M Tucker 1951-8-6 2220 San Mateo M. R. Mattei Ranch, ca. 1.5 miles northeast of Pescadero. Comment
  CAS-BOT-BC391922  Anemone grayi George Oberlander 1950-3-18 354 San Mateo San Francisco Watershed Reserve. On Cahill Ridge Comment
  SEINET12087660  Anemone grayi W. R. Dudley 1894-1 s.n. San Mateo beyond Kings Mt. House Comment
  CAS-BOT-BC273183  Anisocarpus madioides James I. McMurphy 1909-5-25 s.n. San Mateo La Honda Comment
  JROH497  Anisocarpus madioides H. J. Dengler 1972-5-31 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; below redwood grove along S.F. Creek at Searsville Rocks. Growing at Violet Site - also on hillside 100 yds. south of Tiger Lily Site Comment
  CAS-BOT-BC102289  Anthemis cotula Elizabeth McClintock; Carlyn Halde; Walter Knight 1963-6-23 s.n. San Mateo Lower part of Colma Canyon 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
  UCR101615  Anthriscus caucalis George K. Helmkamp, E. A. Helmkamp 1998-5-16 3745 San Mateo Portola Valley, Golden Hills Rd along Los Trancos Creek 107 Comment
  JROH3603  Aphanes occidentalis John H. Thomas 1973-4-14 16564 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3610  Aphanes occidentalis John Hunter Thomas 1987-4-4 24170 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA112399  Aphanes occidentalis Hester R. Davis 1920-4-12 36 San Mateo San Mateo County: Near Searville Lake Comment
  SEINET3244631  Apiastrum angustifolium A. D. E. Elmer 1903-1 4461 San Mateo Crystal Spring Lake, Southern end Comment
  POM148967  Aquilegia eximia A. D. E. Elmer 1903-06 4271 San Mateo Crystal Springs Lake. Comment
  UC463319  Aquilegia eximia W. R. Dudley 1902-9-21 San Mateo sw Crystal Springs Lake; Santa Cruz Peninsula Comment
  CAS-BOT-BC405894  Aquilegia formosa Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo Bitter-cherry Ridge. Comment
  CAS-BOT-BC405900  Aquilegia formosa Ira L. Wiggins 1925-4-1 1652 San Mateo Kings Mountain Road three fourths of a mile above Woodside in the old cut over redwood (Sequoia sempervirens) belt. Comment
  UC1300996  Arabis blepharophylla Helen K. Sharsmith 1963-2-16 5137 San Mateo above Daly City (lower San Bruno Mountain); San Francisco Bay Region, San Bruno Mountain 106 Comment
  RSA112474  Aralia californica Theo C. Zschokke 1903-7-10 s.n. San Mateo Goat Ranch Road, Corte de Madera Cr. Comment
  CAS-BOT-BC128671  Arbutus menziesii E. A. McGregor 1907-4-28 s.n. San Mateo King's Mountain 243 Comment
  CAS-BOT-BC128674  Arbutus menziesii Ned Cahill 1974-4-30 233 San Mateo Chaparral near the intersection of Canada and Edgewood Roads, about 3 mi. westward from Redwood City. Comment
  JROH1917  Arbutus menziesii John H. Thomas 1967-4-20 12711 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC24156  Arctostaphylos John H. Thomas 1967-2-9 12402 San Mateo Montara Mountain in Northern part of county. Between Pacifica and Montara. 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
  JROH5561  Arctostaphylos John Rawlings, Toni Corelli 2013-1-29 1110 A San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail to Hermit's Mine site. 195 Comment
  CAS-BOT-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-BC24174  Arctostaphylos andersonii Roxania Strichfield 1914-2-28 33 San Mateo Portola Rd. Comment
  CAS-BOT-BC24199  Arctostaphylos andersonii W. R. Dudley 1897-12-29 s.n. San Mateo On Butano, Pescadero Ridge. Comment
  RSA252169  Arctostaphylos andersonii G. D. Wallace 1974-12-28 1375 San Mateo Northern Santa Cruz Mtns., S of Upper Crystal Springs Res. along Skyline Blvd. 2.8 mi N of jct. of King Mtn. Rd. opposite Farwell's Rhododendron Nursery. Within fog belt. 640 Comment
  UCD50304  Arctostaphylos andersonii Roman Gankin 1959-2-22 323 San Mateo 1.2 miles from junction of State Hwy 5 on King's Mt. Road. Comment
  CAS-BOT-BC23503  Arctostaphylos crustacea Roxana S. Ferris 1918-3-27 738 San Mateo La Honda Road Comment
  CAS-BOT-BC23505  Arctostaphylos crustacea W. R. Dudley 1894-3-23 s.n. San Mateo Road to La Honda Comment
  CAS-BOT-BC23547  Arctostaphylos crustacea W. R. Dudley 1899-5-14 s.n. San Mateo Hills by road from San Andreas Lake to Pilarcitos Comment
  CAS-BOT-BC23548  Arctostaphylos crustacea Robert Francis Hoover 1941-2-12 4763 San Mateo Northwest of Saratoga Summit Comment
  JROH1923  Arctostaphylos crustacea subsp. crustacea L. R. Abrams 1910-8-14 4991 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1930  Arctostaphylos crustacea subsp. crustacea John H. Thomas 1970-7-5 15665 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1931  Arctostaphylos crustacea subsp. crustacea John H. Thomas 1970-7-5 15665 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC24483  Arctostaphylos imbricata Arthur L. Menzies 1963-3-9 s.n. San Mateo On ridge below se. end of parking lot. San Bruno Hills. Comment
  CAS-BOT-BC24485  Arctostaphylos imbricata Arthur L. Menzies 1962-2-25 s.n. San Mateo San Bruno Mt. Comment
  JEPS98830  Arctostaphylos imbricata James Roof May 1961 San Mateo San Bruno Mountain 400 Comment
  RSA70707  Arctostaphylos imbricata L. S. Rose 1951-3-13 51001 San Mateo San Bruno Hills. 304 Comment
  CAS-BOT-BC27159  Arctostaphylos montaraensis W. Knight; Irja Knight 1967-1-19 2056 San Mateo Montara Mt. 335 Comment
  UC21802  Arctostaphylos montaraensis J. Burtt Davy Jun 21 1893-Jun 23 1893 San Mateo Pilarcitos Lake and Canyon Comment
  UCD144586  Arctostaphylos montaraensis Greg Escoto 2014-2-21 s.n. San Mateo San Pedro Valley Park, a county park located at 600 Oddstad Blvd. Along Hazelnut Trail. 152 Comment
  UCD51754  Arctostaphylos montaraensis Roman Gankin 1966-5-17 740 B San Mateo On east-facing slopes of Montara Mountain. Comment
  CAS-BOT-BC44740  Arctostaphylos regismontana L. R. Abrams 1902-1-12 2254 San Mateo Kings Mountain Comment
  CAS-BOT-BC44744  Arctostaphylos regismontana Mrs. E. C. Sutliffe 1934-2-2 s.n. San Mateo Kings Mountain Comment
  JEPS98838  Arctostaphylos regismontana James B. Roof 1964-9-14 San Mateo middle summit Montara Mt. (Peak Mountain) Comment
  POM131773  Arctostaphylos regismontana C. F. Baker 1902-1-15 271 San Mateo Kings Mountain. West side of King's Mountain. Comment
  UC1120828  Arctostaphylos regismontana A. E. Wieslander and B. O. Schreiber 1940-3-5 7 San Mateo road from Woodside to King's Mt.; Santa Cruz Quadrangle 457 Comment
  UC1120844  Arctostaphylos regismontana A. E. Wieslander 1936-8-21 659 San Mateo Kings Mountain Santa Cruz Quadrangle Comment
  UC1120848  Arctostaphylos regismontana A. E. Wieslander 1929-3-19 47 San Mateo Kings Mountain Rd Santa Cruz Quadrangle, Peters Creek (head of creek, near Plot 11) Comment
  UC549744  Arctostaphylos regismontana Lewis S. Rose 1934-2-10 34026 San Mateo Skyline Blvd 4 mi s Kings Mountain (region of type) Comment
  UC763116  Arctostaphylos regismontana R. F. Hoover 1939-3-3 3899 San Mateo Kings Mountain Comment
  RSA29505  Arctostaphylos regismontana E. K. Balls, Percy C. Everett 1953-10-16 18678 San Mateo 27.3 mi SE of San Francisco- San Mateo Co. Line on Hwy 5. 670 Comment
  UCD166159  Arctostaphylos sensitiva Jack Major; M. Forde and S. Bamberg 1962-4-3 741 b San Mateo Near Ano Nuevo Point. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET11989290  Arctostaphylos tomentosa S. W. Edwards 1982-1 s.n. San Mateo Foothill Park near summit of SW ridge Comment
  UC1042396  Arctostaphylos tomentosa subsp. crustacea Lewis S. Rose 1949-3-18 49006 San Mateo hills w Belmont 91 Comment
  UC565408  Arctostaphylos tomentosa subsp. crustacea Chas. M. Belshaw 1936-1-25 1465 San Mateo Kings Mountain rd 4.5 mi w Woodside; South Coast Range Comment
  POM286194  Arctostaphylos tomentosa subsp. tomentosiformis Lyman Benson 1935-3-10 6255 San Mateo La Honda Grade. 518 Comment
  CAS-BOT-BC46831  Arctostaphylos uva-ursi Arthur Menzies; Elizabeth McClintock 1963-2-16 s.n. San Mateo Slope southeast of parking lot below top of mountain Comment
  CAS-BOT-BC46837  Arctostaphylos uva-ursi Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mt. Few hundred yards up Cable Ravine Comment
  CAS-BOT-BC46838  Arctostaphylos uva-ursi Arthur Menzies 1962-2-25 s.n. San Mateo San Bruno Mt. Comment
  CAS-BOT-BC46839  Arctostaphylos uva-ursi Walter Knight; Irja Knight 1981-3-1 4055 San Mateo from fire road edge about 200 yards east of summit parking lot. of San Bruno Mountain. Comment
  SJSU6464  Arctostaphylos uva-ursi S. H. Casey 1969-5-18 264 San Mateo Kamchatka Point, San Bruno Mt Comment
  UCD52149  Arctostaphylos uva-ursi Walter and Irja Knight; Elizabeth McClintock 1982-3-27 4494 San Mateo Kamchatka Point, San Bruno Mountain. San Mateo County. 320 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
  SEINET11987303  Arctostaphylos uva-ursi var. coactilis J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4201 San Mateo Strybing Arboretum, Golden Gate Park, San Francisco, orig. from San Bruno Mt Comment
  SEINET11989211  Arctostaphylos uva-ursi var. suborbiculata E. McClintock, Knight, W.; Knight, I. 1982-1 4630 San Mateo windy Kamchatka Point, San Bruno Mountain Comment
  CHSC39823  Armeria maritima subsp. californica Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  POM209881  Armeria maritima subsp. californica D. D. Keck 1934-7-7 2942 San Mateo Pigeon Point. Comment
  SD39619  Armeria maritima subsp. californica Edith A. Purer 1933-7-27 5358 San Mateo Pigeon Point. Comment
  CAS-BOT-BC84882  Artemisia californica George Oberlander 1949-10-8 392 a San Mateo San Francisco Watershed Reserve - Sweeney Ridge Comment
  CAS-BOT-BC84886  Artemisia californica Walter Knight; Irja Knight; Elizabeth McClintock 1963-9-2 s.n. San Mateo San Bruno Mountain, Power Line Ridge Comment
  JEPS44413  Artemisia douglasiana Lewis S. Rose 1965-9-4 65101 San Mateo Skyline Blvd and Half Moon Bay Road Cahill Ridge, Skyline Blvd and Half Moon Bay Road 243 Comment
  UC1537053  Artemisia douglasiana Gordon H. True Jr. 1937-7-23 803 San Mateo along Salada Beach-Skyline Blvd. 60 Comment
  CAS-BOT-BC93933  Artemisia douglasiana George Oberlander 1949-9-25 380 San Mateo San Francisco Watershed Reserve, along stream entering San Andreas Lake Comment
  SEINET8734602 Image available Artemisia heterophylla Lewis S. Rose 1938-1 38232 San Mateo San Mateo 30 Comment
  CAS-BOT-BC93641  Artemisia pycnocephala John H. Thomas 1961-5-13 9336 San Mateo Coastal sand dunes at Franklin Point Comment
  CHSC56966  Artemisia pycnocephala Steven Triano 1988-5-24 187 San Mateo W of Hwy 1 ca 0.2 mi N of Pescadero Road. 9 Comment
  POM212012  Artemisia pycnocephala C. B. Wolf 1930-11-5 1062 San Mateo 4 mi. S of Pescadero. 8 Comment
  JROH430  Asclepias fascicularis John H. Thomas 1973-6-10 16826 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  OBI25837  Asclepias fascicularis Lewis S. Rose 1965-8-27 65092 San Mateo Emerald Lake, W of Redwood City 122 Comment
  POM57738  Aster chilensis B. Greene 1901-10-20 50 San Mateo Summit of Coast Range Comment
  POM54249  Aster radulinus A. D. E. Elmer 1903-07 4973 San Mateo Portola Comment
  SEINET946258  Asteraceae L. S. Rose 1948-1 48236 San Mateo Hills W. of Belmont 183 Comment
  CAS-BOT-BC186765  Astragalus gambelianus H. A. Dutton 1900-3-25 s.n. San Mateo Woodside Comment
  JROH1992  Astragalus gambelianus John Hunter Thomas 1978-4-20 19072 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1997  Astragalus gambelianus John Hunter Thomas 1992-4-29 25170 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA60155  Astragalus gambelianus Lois E. James 1946-4-16 1741 San Mateo Hills back of Redwood City. High Road off Woodside Road. Comment
  UC903410  Astragalus gambelianus Lois E. James 1947-4-11 1757 San Mateo hills back of Redwood City back of Redwood City Comment
  UCD104788  Astragalus gambelianus Lois E. James 1947-4-11 1758 San Mateo Hills back of Redwood City. Comment
  CAS-BOT-BC177972  Astragalus nuttallii var. virgatus A. A. Heller 1906-6-8 8385 San Mateo Near Ocean View, San Francisco, on the Lake Merced side of the Ocean Shore tracks in soil. Comment
  RSA498283  Astragalus nuttallii var. virgatus E. A. Purer 1933-8-25 5514 San Mateo Skyline Drive. Comment
  SEINET948579  Astragalus nuttallii var. virgatus W. R. Russell 1966-1 s.n. San Mateo On side of hill at north end of Princeton Beach (ca. 2 miles south of Moss Beach) Comment
  SEINET10775828  Astragalus pycnostachyus Robert V. Bradshaw 1921-9-5 Bradshaw 2234 San Mateo San Gregorio. Comment
  BLMAR756  Astragalus pycnostachyus var. pycnostachyus Clara Sander 2005-7-5 756 San Mateo San Gregorio, Coastal bluff 25 Comment
  CAS-BOT-BC193094  Astragalus pycnostachyus var. pycnostachyus J. H. Thomas 1958-8-1 7372 San Mateo Just north of mouth of San Gregorio Creek 30 Comment
  UC81253  Astragalus pycnostachyus var. pycnostachyus C. F. Baker 1902-10-1 1744 San Mateo Pillar Point Comment
Read comments
Feb 2 2012
  CAS-BOT-BC68678  Athyrium filix-femina var. californicum Elizabeth McClintock; Baki Kasapligil; Walter Knight; Irja Knight 1967-7-18 s.n. San Mateo San Bruno Mountain - Near old quarry at mouth of Colma Canyon. Comment
  CAS-BOT-BC66140  Athyrium filix-femina var. cyclosorum D. E. Breedlove 1973-9-26 35558 San Mateo Pescadero Creek County Park 365 Comment
  CAS-BOT-BC17585  Athysanus pusillus LeRoy Abrams 1898-4-1 198 San Mateo Portola. Comment
  UC499713  Atriplex hortensis Roxana S. Ferris 1932-9-12 8270 San Mateo Bayshore Highway at Redwood City; Bayshore Highway at Redwood City Comment
  RSA478328  Atriplex leucophylla E. A. Purer 1933-7-27 5349 San Mateo Pigeon Point. Comment
  JEPS109218  Atriplex triangularis D. W. Taylor 2005-9-26 19492 San Mateo 1 mile S along coast from Franklin Point, Ano Nuevo State Reserve. Comment
  CAS-BOT-BC146123  Avena barbata Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain. Above the quarry. Comment
  CDA31516  Avena barbata T. C. Fuller 1969-6-12 18549 San Mateo Ca. 3 km NE of Pescadero, on south facing slope of hillside pasture 0 Comment
  CAS-BOT-BC146214  Avena brevis John Thomas Howell 1954-6-16 30003 San Mateo Belmont. Raslton Avenue at 6th. Comment
  JROH4845  Avena fatua W. Lennihan 1990-4-2 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Across parking lot from picnic tables. Comment
  JROH5975  Avena fatua John Rawlings 2017-5-2 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Scattered along brick path from visitor parking lot to field station 121 Comment
  RSA138195  Avena fatua H. A. Borthwick 1920-4-7 s.n. San Mateo Fields near San Fransquito Creek. 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-BC99505  Baccharis pilularis Elizabeth McClintock 1965-3-28 s.n. San Mateo North Power Line Ridge, San Bruno Mountain Comment
  CAS-BOT-BC99527  Baccharis pilularis W. R. Dudley 1895-10-19 s.n. San Mateo Near San Francisquito Creek toward Searsville Comment
  CAS-BOT-BC99529  Baccharis pilularis Carl B. Wolf 1930-11-5 1807 San Mateo 4 mi. so. of Pescadero 7 Comment
  POM350441  Baccharis pilularis D. D. Keck 1931-10-5 1283 San Mateo 1 mile north of Salada Beach 91 Comment
  JROH552  Baccharis pilularis subsp. consanguinea John H. Thomas 1978-9-24 19336 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC16632  Barbarea orthoceras Catherine A. Toschi 1963-3-17 63 :63 San Mateo East slope San Bruno Mountains below radio station. 213 Comment
  CAS-BOT-BC16636  Barbarea orthoceras Phillip C. Wheeler 1965-4-27 s.n. San Mateo San Bruno Mountain. Sierra Point. Comment
  CAS-BOT-BC16640  Barbarea orthoceras Peter Rubtzoff 1953-5-14 1346 San Mateo Pilarcitos Creek Canyon 1 to 2 miles downstream from Pilarcitos Lake. Comment
  JROH1448  Barbarea orthoceras John Hunter Thomas 1981-4-21 20462 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM272597  Barbarea vulgaris Lyman Benson 1929-3-15 1009 San Mateo Bank of San Francisquito Creek at Stanford Isolation Hospital. Comment
  JROH3920  Bellardia trixago John Hunter Thomas 1980-5-8 19937 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC81971  Bellardia trixago Thomas W. Nelson, James Nelson 1980-5-3 5131 San Mateo Intersection of Hwy. 92 and Hwy. 280, W of San Mateo. Comment
  SJSU945  Berberis aquifolium W. M. Bybee 1948-2-20 San Mateo residence, Burlingame Comment
  CAS-BOT-BC75874  Berberis pinnata A. D. E. Elmer 1903-4-1 4820 San Mateo San Bruno Hills. Comment
  CAS-BOT-BC75882  Berberis pinnata Robert Setzer 1969-3-29 2138 San Mateo Coloma Canyon, San Bruno Mountain. Comment
  CAS-BOT-BC75870  Berberis pinnata W. R. Dudley 1903-5-2 s.n. San Mateo Santa Cruz Peninsula. By La Honda Road below BD Week's. Comment
  JEPS121478  Berberis pinnata subsp. pinnata Adam C. Schneider with C. Matt Guilliams 2013-3-9 38 San Mateo Crystal Springs Reservoir Comment
  CAS-BOT-BC66300  Blechnum spicant W. R. Dudley 1897-1-1 s.n. San Mateo By Buano Cr. above Falls and below Sinnatts Comment
  POM209847  Boisduvalia densiflora D. D. Keck 1934-7-7 2944 San Mateo Pigeon Point. Comment
  UC140513  Bowlesia incana C. F. Baker 1902-4-12 510 San Mateo Pacific Coast, La Honda La Honda; Pacific Coast, La Honda Comment
  SJSU15939  Brachypodium distachyon John Rawlings, Ken Hickman 2016-5-26 1815 San Mateo Serpentine seep area up-slope from the Hwy 92 west onramp to Hwy 280 north; down-slope from San Francisco Watershed fence line 122 Comment
  SEINET14395443  Brachypodium sylvaticum J. Beall 2003-12-4 San Mateo Santa Cruz Mountains, Woodside on Hwy 84 at Grandview Dr., about 1 mile from Skyline Road summit. 427 Comment
  UCD56896  Brachypodium sylvaticum K. Melo 2003-12-1 PDR 138751 9 San Mateo San Francisco Peninsula. Hwy. 84 at Grandview Terrace and Schilling Lake. Martin Creek drainage. 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
  UCD114736  Brassica nigra Rimo Bacigalupi; J. H. Thomas and L. R. Heckard 1961-5-23 7714 San Mateo Along Alpine Road near site of abandoned Alpine School. 487 Comment
  CAS-BOT-BC36670  Brassica oleracea L. R. Abrams; Ira L. Wiggins 1939-6-3 439 San Mateo 2 miles north of Pigeon Point Lighthouse. Comment
  CAS-BOT-BC36794  Brassica rapa John H. Thomas 1965-4-29 10605 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  JROH1469  Brassica rapa John Hunter Thomas 1981-4-7 20295 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Whiskey Hill and Sand Hill Road gate Comment
  POM272668  Brassica rapa Lyman Benson 1939-7-1 9677 San Mateo Skyline Bouldevard; San Francisco City Limits. 30 Comment
  UC790954  Briza minor A. A. Beetle 1941-4-20 1738 San Mateo near San Carlos Comment
  JROH4581  Brodiaea elegans subsp. elegans John H. Thomas 1973-6-10 16808 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC484343  Brodiaea elegans subsp. elegans P. R. Hichborn 1920-6-1 280 San Mateo Santa Cruz Mountain Peninsula back of Redrood City Comment
  JROH4580  Brodiaea elegans subsp. elegans Richard L. Garber 1971-5-29 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS109574  Brodiaea terrestris subsp. terrestris Dean W. Taylor 1994-5-10 14268 San Mateo Edgewood Park; ca. 300 meters SE of junction of Edgewood Road and Canada Road, ca. 200 m W of trail parallel to and on west side of Highway 280 137 Comment
  SJSU9943  Brodiaea terrestris subsp. terrestris J. R. Verbarg 1955-5-14 44 San Mateo Crystal Springs Hills Comment
  UC75263  Brodiaea terrestris subsp. terrestris C. F. Baker 1902-4-6 462 San Mateo Crystal Springs Lake Comment
  UC843571  Brodiaea terrestris subsp. terrestris Alice Eastwood 1912-6-10 334 San Mateo Crystal Springs Comment
  CAS-BOT-BC483175  Brodiaea terrestris subsp. terrestris James McMurphy 1906-5-8 s.n. San Mateo Between Woodside and Byre's Store Comment
  CAS-BOT-BC148977  Bromus carinatus var. carinatus W. R. Dudley 1894-5-1 s.n. San Mateo Santa Cruz Mountain Peninsula. Crystal Springs Lake. Comment
  CAS-BOT-BC148979  Bromus carinatus var. carinatus J. H. Thomas 1954-4-3 3837 San Mateo Pilarcitos Creek Road, 3.5 miles northeast of Halfmoon Bay. 121 Comment
  CAS-BOT-BC148997  Bromus carinatus var. carinatus Lewis S. Rose 1956-7-2 56115 San Mateo Skyline Boulevard. Hills west of San Mateo. 182 Comment
  CAS-BOT-BC149012  Bromus carinatus var. carinatus Elizabeth McClintock 1964-4-17 s.n. San Mateo San Bruno Mountain. Along road on top of mountain. Comment
  CAS-BOT-BC149018  Bromus carinatus var. carinatus R. E. Frenkel 1963-12-7 329 San Mateo San Francisco Water District. Whiting Ridge Road, ca. 0.8 mile southwest of Spring Valley Road, at Fire Warden's Gate. Comment
  CAS-BOT-BC183616  Bromus carinatus var. marginatus Peter Rubtzoff 1976-5-22 8548 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. East Fork Colma Creek Canyon area. Comment
  JROH4909  Bromus diandrus John H. Thomas 1967-4-20 12704 B San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET11675595  Bromus diandrus Unknown 1932-1 9128 San Mateo Stanford Farm Comment
  JROH4958  Bromus madritensis subsp. rubens John Rawlings 2013-4-30 1181 B San Mateo Jasper Ridge Biological Preserve, Stanford University; along Road B near south boundary fence 78 Comment
  RSA107096  Bromus marginatus L. S. Rose 1956-7-2 56115 San Mateo Skyline Blvd. hills w. of San Mateo 183 Comment
  UCD59622  Bromus rubens P. Rodriguez-Rojo 1997-4-12 s.n. San Mateo Edgewood County Park. 200 Comment
  RSA187306  Bromus stamineus John H. Thomas 1961-8-27 9697 San Mateo Colma. near intersection of El Camino Real and F Street. 46 Comment
  JROH4960  Bromus sterilis W. H. Lennihan 1990-4-8 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Across dam, 50 yards to r. on path, r. side of path on edge, just next to 10-12 foot Sambucus mexicana. 111 Comment
  JROH4961  Bromus sterilis John Rawlings 2013-4-3 1159 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near power poles in partial shade on Rattlesnake Rocks trail off of Rd. D. 130 Comment
  CAS-BOT-BC185395  Bromus vulgaris W. R. Dudley 1900-5-19 s.n. San Mateo Santa Cruz Mountain Peninsula. Stage road La Honda Summit. 518 Comment
  UC1131105  Bromus vulgaris N. K. Carlson 1935-6-2 76 San Mateo Ridge between Oil Creek and Slate Creek 670 Comment
  UCD60240  Bromus vulgaris S. S. Tillett; I. Sternback 1956-6-24 534 San Mateo Middleton properton, behind (n.) Portola Camp Store, just outside Portola State Park. 396 Comment
  RSA185791  Buddleja davidii John H. Thomas 1966-9-11 12390 San Mateo 1 mile Westward as measured along the road from la Honda Pescadero Rd intersection, Redwood douglas fir forest, 37Y 19N, 122Y 17 W Comment
  CHSC81474  Cakile maritima Sabrina Wright; Brandi Pedigo, Jessica Wright, Nicky Wright 2000-3-4 San Mateo Rockaway Beach, Pacifica. 0 Comment
  UC1131351  Calamagrostis nutkaensis H. S. Yates 1935-5-8 5215 San Mateo 2 mi s Pescadero; Santa Cruz Quadrangle Comment
  SEINET10521069  Calamagrostis nutkaensis Adolph D. E. Elmer Elmer 5040 San Mateo San Pedro, Comment
  CAS-BOT-BC438531  Calandrinia ciliata H. A. Dutton 1900-2-11 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  CAS-BOT-BC389677  Calandrinia ciliata Maryann Danielson 1967-4-16 s.n. San Mateo San Francisco Watershed near water temple Comment
  CAS-BOT-BC438536  Calandrinia ciliata Elizabeth McClintock 1967-4-16 s.n. San Mateo San Bruno Mountain. Buckeye Canyon. Comment
  CAS-BOT-BC273257  Calendula officinalis Peter H. Raven 1950-4-30 1969 San Mateo Montara 24 Comment
  RSA116800  Callitriche heterophylla subsp. bolanderi W. R. Dudley 1904-4-23 s.n. San Mateo Santa Cruz Mtn. Peninsula: Pool along new Grade Road Black Mt. Comment
  JROH4608  Calochortus albus John Hunter Thomas 1981-4-30 20520 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA292631  Calochortus albus Lyman Benson 99 San Mateo Searsville ridge, Stanford University, Santa Cruz Mtns, little San Francisquito Cr. 152 Comment
  RSA377255  Calochortus albus D. D. Keck 1932-5-13 1778 San Mateo Above Woodside on La Honda road, E slope of the Santa Cruz Mtns. Comment
  UC13852  Calochortus albus W. C. Blasdale 1893-6-23 San Mateo San Mateo Comment
  CAS-BOT-BC492211  Calochortus albus John H. Thomas 1971-5-2 15859 San Mateo Serpentine fields bordered by chaparral, near intersection of Canada and Edgewater roads. About 4 miles SW of center of Redwood City. 304 Comment
  CAS-BOT-BC492216  Calochortus albus Eric Walther 1920-5-9 s.n. San Mateo Woodside Comment
  CAS-BOT-BC492225  Calochortus albus A. D. E. Elmer 1903-5-1 4846 San Mateo San Mateo Comment
  JROH5745  Calochortus albus J. C. Gaither 1982-5-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Above San Francisquito Creek, near redwood grove. Comment
  SD39096  Calochortus albus Marie Cummings 1933-5-8 79 San Mateo Steven's Creek. Comment
  JEPS127872  Calochortus luteus Adam C. Schneider 2013-5-17 159 San Mateo Crystal Springs Reservoir Comment
  JROH4636  Calochortus luteus John H. Thomas 1976-5-26 18154 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4639  Calochortus luteus John Hunter Thomas 1982-6-7 21024 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4641  Calochortus luteus John Hunter Thomas 1989-5-30 24753 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near dam Comment
  POM258692  Calochortus luteus Marion Ownbey, Ruth P. Ownbey 1938-7-7 1699 San Mateo Santa Cruz Mountains, above Searsville Lake Comment
  CAS-BOT-BC493994  Calochortus tolmiei Josephine D. Randall 1907-4-27 225 San Mateo Kings Mt.; Santa Cruz Peninsula Comment
  CAS-BOT-BC496826  Calochortus tolmiei W. R. Dudley 1895-6-6 s.n. San Mateo Woods near Pescadero Creek Comment
  UC1134540 Image available Calochortus venustus N. Carlson 1935-6-20 74 San Mateo at Head (or ridge) of Oil and Slate Creek Santa Cruz Quad. 670 Comment
  UC203047 Image available Calochortus venustus A. D. E. Elmer Jul 1903 4763 San Mateo Portola Comment
  JEPS23958  Calycadenia multiglandulosa John H. Thomas 1959-8-22 8077 San Mateo about 5 mi sw of Palo Alto (Jasper Ridge); Jasper Ridge 152 Comment
  JROH561  Calycadenia multiglandulosa John H. Thomas 1967-11-5 14128 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH569  Calycadenia multiglandulosa John H. Thomas 1975-5-26 17912 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH574  Calycadenia multiglandulosa John Hunter Thomas 1987-6-7 24335 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5811  Calycadenia multiglandulosa John Rawlings 2016-8-16 1940 San Mateo Jasper Ridge Biological Preserve, Stanford University; along birder transect path in rocky serpentine prairie on ridge-top (Area C) 174 Comment
  RSA130963  Calystegia purpurata Josephine Randall 1907-7-24 105 San Mateo Near Crystal Springs Lake. Comment
  RSA63100  Calystegia purpurata L. S. Rose 1950-5-20 50141 San Mateo Emerald Lake region, hills w. of Redwood City. 244 Comment
  CAS-BOT-BC224654  Calystegia purpurata subsp. purpurata Josephine D. Randall 1907-7-24 105 San Mateo Santa Cruz Peninsula. Near Crystal Springs Lake Comment
  CAS-BOT-BC224667  Calystegia purpurata subsp. purpurata Paul Arnaud 1941-5-3 s.n. San Mateo Redwood City, Hills, Jefferson Avenue Comment
  CAS-BOT-BC224669  Calystegia purpurata subsp. purpurata Fred Hemphill 1973-4-22 734 San Mateo San Carlos. North of Malabar Rd. and Melendy Dr. 207 Comment
  JEPS10201  Calystegia soldanella Rimo Bacigalupi with G. T. Robbins 1954-6-18 4558 San Mateo one-half mi n Pigeon Point; one-half mi n of Pigeon Point Comment
  CHSC447  Calystegia subacaulis V. Holt 1943-4-21 San Mateo 6 Comment
  RSA369186  Camassia leichtlinii subsp. suksdorfii E. S. Spalding 1923-8-3 s.n. San Mateo Pulgas Tunnel, east side. Comment
  SEINET5542144  Camissonia ovata H. S. Gentry 1931-1 33 San Mateo Collected 2 miles W of San Bruno. Comment
  CAS-BOT-BC160325  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Daniel Cohen 1953-5-9 97 San Mateo Beach at Pescadero Comment
  SEINET10463021  Campanula prenanthoides Wolf 1927-7-14 WOLF 618 San Mateo SUMMIT OF KINGS MTN ROAD Comment
  SEINET10463189  Campanula prenanthoides Gray 1872-1 GRAY s.n. San Mateo SANTA CRUZ REDWOODS Comment
  SEINET10939010  Campanula prenanthoides Wolf 1927-7-14 WOLF 618 San Mateo Summit of Kings Mountain road Comment
  JROH1474  Capsella bursa-pastoris John Hunter Thomas 1978-5-9 19196 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1477  Capsella bursa-pastoris John Hunter Thomas 1984-4-10 23284 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1472  Capsella bursa-pastoris John H. Thomas 1975-4-5 17710 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-BC37986  Cardamine oligosperma John H. Thomas 1963-5-20 10119 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles northwest of Santa Cruz. Comment
  JROH1489  Cardamine oligosperma Roxana Stinchfield 1914-2-28 155 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake Comment
  POM272675  Cardamine oligosperma Lyman Benson 1929-3-2 990 San Mateo Hill east of Lake Searsville. Comment
  CAS-BOT-BC37982  Cardamine oligosperma Walter Knight; Irja Knight 1965-3-14 939 San Mateo San Bruno Mountain. Romanzoffia Ravine. Comment
  CDA6894  Carduus tenuiflorus Agricultural Commissioner May 1955 San Mateo San Mateo. 0 Comment
  CAS-BOT-BC17847  Carex amplifolia LeRoy Abrams 1915-6-14 5563 San Mateo Kings Mountain Road. Near the first bridge. Comment
  CAS-BOT-BC17849  Carex amplifolia W. R. Dudley 1906-6-8 s.n. San Mateo The Santa Cruz Mountain Peninsula. In Squealer Gulch above water trough. Comment
  CAS-BOT-BC17852  Carex amplifolia George Oberlander 1950-5-21 958 San Mateo San Francisco Watershed Reserve. Pilarcitos Canyon. Comment
  CAS-BOT-BC19328  Carex barbarae J. H. Thomas 1958-8-1 7371 San Mateo Sand dunes about 0.5 mile north of mouth of Pescadero Creek. 0 Comment
  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
  CAS-BOT-BC19329  Carex barbarae Phillip C. Wheeler 1965-6-19 s.n. San Mateo San Bruno Mountain. Crystal Cave Canyon east of quarry. Comment
  JROH4326  Carex bolanderi John Rawlings 2012-5-15 1121 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along bank of Bear Creek at its crossing of Road H near boundary fence. 82 Comment
  UC577167  Carex bolanderi Lewis S. Rose 1935-6-11 35216 San Mateo Kings Mountain Comment
  CAS-BOT-BC34072  Carex brevicaulis John Thomas Howell 1965-3-29 41035 San Mateo West end of summit ridge of San Bruno Mountain. 396 Comment
  CAS-BOT-BC18926  Carex densa W. R. Dudley 1894-5-1 s.n. San Mateo Santa Cruz Mountain Peninsula. Woodside to Crystal Springs. Comment
  CAS-BOT-BC18930  Carex densa LeRoy Abrams 1902-5-11 2444 San Mateo Crystal Springs. Comment
  CAS-BOT-BC18942  Carex densa W. R. Dudley 1896-4-4 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Summit Springs, near King's Mountain. Comment
  CAS-BOT-BC18946  Carex densa Kellogg; Brannan 1870-6-1 s.n. San Mateo San Gregorio Creek. Comment
  JROH4329  Carex densa John H. Thomas 1967-6-1 12946 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
  CAS-BOT-BC18934  Carex densa Lewis S. Rose 1937-5-16 37279 San Mateo South San Francisco. 15 Comment
  UCD165066  Carex densa Peter Rubtzoff 1975-5-21 7976 San Mateo San Bruno Mountains.'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  JROH4343  Carex globosa John Hunter Thomas 1992-4-23 25152 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Rattlesnake Rocks and along trail to redwoods. Comment
  CAS-BOT-BC28411  Carex gracilior W. R. Dudley 1900-3-17 s.n. San Mateo A field N of Seal Cove Comment
  CAS-BOT-BC146604  Carex gynodynama Alice Eastwood; John Thomas Howell; J. W. Stacey 1938-4-24 5255 San Mateo Pescadero Comment
  CAS-BOT-BC21816  Carex harfordii Alice Eastwood; John Thomas Howell 1938-6-26 6056 San Mateo Near Pescadero. Comment
  CAS-BOT-BC21812  Carex harfordii George Thomas Oberlander 1950-4-23 847 San Mateo Cahill Ridge. Comment
  UC803889  Carex hendersonii G. L. Stebbins Jr. 1949-6-5 3983 San Mateo on Skyline Blvd. w Palo Alto (summit of Kings Mtn.); Kings Mtn. Comment
  CAS-BOT-BC119345  Carex obnupta W. R. Dudley 1896-4-17 s.n. San Mateo Pebble Peach Pasture, Pescadearo, Santa Cruz Mountain. Comment
  UCR279900  Carex obnupta Peter Rubtzoff, Roman Gankin 1975-5-21 7965 San Mateo Central Coast, San Bruno Mountains, 'saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road Junction 220 Comment
  CAS-BOT-BC32499  Carex obnupta Henry Nicholas Bolander 1566 San Mateo Near Fort Point Comment
  CAS-BOT-BC117647  Carex serratodens Harry A. Dutton 1900-4-3 s.n. San Mateo Woodside. Comment
  CAS-BOT-BC117649  Carex serratodens W. R. Dudley 1896-4-4 s.n. San Mateo Near Summit Springs, King's Mt. Comment
  CAS-BOT-BC117650  Carex serratodens Lewis Samuel Rose 1936-5-28 36304 San Mateo Emerald L., W of Redwood City. Comment
  JROH4362  Carex subbracteata John Rawlings 2010-5-19 1053 San Mateo Jasper Ridge Biological Preserve, Stanford University. At west edge of California semaphore grass vernal depression. 122 Comment
  UCR280167  Carex subbracteata Peter Rubtzoff 1978-5-18 9172 San Mateo San Francisco Bay Region, San Bruno Mountains, 'saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction, westernmost part of the area 220 Comment
  CAS-BOT-BC167243  Carex subbracteata Elizabeth McClintock; Paul Reeberg 1989-6-6 s.n. San Mateo Sheatwater. San Bruno Mountains Comment
  UC750651  Carex subbracteata Lewis S. Rose 1939-4-14 39063 San Mateo South San Franciso 15 Comment
  JROH4364  Carex tumulicola Herbert Dengler unspecified s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4367  Carex tumulicola John Hunter Thomas 1981-4-27 20502 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET3522860 Image available Castanopsis chrysophylla Lewis S. Rose 1933-7-25 33308 San Mateo Kings Mountain, rocky slopes. Comment
  JROH5852  Castilleja John H. Thomas 1978-4-20 19090 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC249186  Castilleja affinis I. Williams 1920-4-1 s.n. San Mateo Santa Cruz Mountain Peninsula. Woodside Comment
  CAS-BOT-BC249191  Castilleja affinis David D. Keck 1940-5-15 5036 San Mateo Upper Crystal Springs Lake, east side 100 Comment
  RSA425889  Castilleja affinis Glenn A. Gorelick 1967-4-14 s.n. San Mateo San Bruno Mountains, overlooking Daly City near San Francisco. Comment
  CAS-BOT-BC249194  Castilleja affinis E. McClintock; Philip Wheeler 1965-5-23 s.n. San Mateo San Bruno Mountain. Below Nike station Comment
  RSA120823  Castilleja affinis S. S. Tillett, I. Sternback 1956-6-25 550 San Mateo Along Patterson Creek, on Middleton property just above entrance to Portola State beach. 366 Comment
  RSA15252  Castilleja affinis Carl B. Wolf 1927-2-19 213 San Mateo Spring Valley Lakes where Skyline Drive Road turns off of Spring Valley Road. Comment
  RSA15303  Castilleja affinis Carl B. Wolf 1927-4-3 273 San Mateo 1 mile above La Honda. Santa Cruz Mountains. Comment
  JEPS25440  Castilleja affinis subsp. affinis John Weiler 1961-3-22 6134 San Mateo 0.2 mi s Devil's Slide (about 2.5 mi n of community of Montara, n end of Montara Mtn); Montara Mtn. Comment
  JEPS47391  Castilleja affinis subsp. affinis L. R. Heckard 1964-6-24 1402 San Mateo e of Upper Crystal Springs Reservoir (near upper end) Comment
  JEPS86227  Castilleja affinis subsp. affinis L. R. Heckard 1970-5-5 2452 San Mateo n side San Bruno Mountain (n spur) 60 Comment
  SEINET7097933  Castilleja ambigua A. G. Vestal 1937-6-15 s.n. San Mateo Lat. 37 14' 13ao N, Long. 122 24' 55ao W (NAD27 converted to WGS84 decimal degrees) Pebble Beach west of Pescadero. UTM Zone 10, 551863 mE, 4121109 mN. Comment
  UC406881  Castilleja ambigua subsp. ambigua David D. Keck 1927-6-10 394 San Mateo Montara Point; Radio Station 0 Comment
  JROH3970  Castilleja attenuata John Hunter Thomas 1985-4-18 23526 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3971  Castilleja attenuata Carol Zabel 1989-4-19 9 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD234177  Castilleja densiflora Claude Bonang 1958-4-4 13 San Mateo Jasper Ridge. Meadow. Comment
  JROH3985  Castilleja densiflora subsp. densiflora John Hunter Thomas 1985-5-2 23581 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC76117  Castilleja densiflora subsp. densiflora E. R. Drew 1888-4-12 San Mateo San Pedro Ranch Comment
  JEPS66228  Castilleja foliolosa T. I. Chuang with Fei-Mei Chuang 1971-6-12 6911 San Mateo 5.8 mi ne Big Basin Comment
  POM15376  Castilleja franciscana A. D. E. Elmer 1903-05 4527 San Mateo San Bruno Hills. Comment
  NY68073  Castilleja franciscana F. W. Pennell 1940-5-15 25420 San Mateo E of upper Crystal Springs Lake, SW of San Mateo. 61.0 Comment
  CAS-BOT-BC243826  Castilleja latifolia Katharine Brandegee 1917-7-29 s.n. San Mateo Tunitas Station, Ocean Shore R.R. Comment
  CAS-BOT-BC243840  Castilleja latifolia John Thomas Howell 1933-4-9 10966 San Mateo Hills south of Pescadero Comment
  UC187825  Castilleja latifolia Katharine Brandegee 1890-5-20 San Mateo Searsville Comment
  CAS-BOT-BC243837  Castilleja latifolia Alice Eastwood 1914-10-1 s.n. San Mateo Mussel Rock Comment
  UCD123053  Castilleja rubicundula subsp. lithospermoides Lewis S. Rose 1966-5-2 66034 San Mateo Emerald Lake, west of Redwood City. 91 Comment
  SD37771  Castilleja rubicundula subsp. lithospermoides Edith A. Purer 1933-5-25 3652 San Mateo Spring Valley Lakes 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
  JEPS3664  Castilleja subinclusa subsp. franciscana V. F. Hesse 1951-7-27 754 San Mateo near Whitehouse Creek Road out of Big Basin (about 2 mi from seacoast) Comment
  SBBG51587  Castilleja subinclusa subsp. franciscana J. Doty 1969-3-26 595 San Mateo E of jct of St Hwy 92, near summit of coast range, San Francisco Peninsula 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
  JEPS29419  Castilleja wightii L. R. Heckard 1961-7-16 1267 San Mateo near San Bruno Mt. summit; San Bruno Mt. 304 Comment
  JEPS29420  Castilleja wightii L. R. Heckard 1961-7-16 1268 San Mateo near San Bruno Mt. summit; San Bruno Mt. 304 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
  JEPS47396  Castilleja wightii L. R. Heckard 1964-6-24 1394 San Mateo near San Bruno Mt. summit (slope n of (below) transmitting station); San Bruno Mt. 304 Comment
  JEPS88833  Castilleja wightii T. I. Chuang 1991-7-20 7879 San Mateo hills just s Rockaway Beach Comment
  RSA428366B  Castilleja wightii E. A. Purer 1933-7-27 5374 San Mateo 2 miles south of Pigeon Point. Comment
  SEINET3840786  Castilleja wightii Unknown 2005-6-21 5 .371 San Mateo Northeast corner of Pilarcitos Lake, SF Water District land 250 Comment
  JEPS34453  Castilleja wightii L. R. Heckard 1963-7-18 1341 San Mateo 2.7 mi s Calif. Hwy. 1 road junction with Pescadero road (along Calif Hwy. 1); Bean Hollow Beach County Park (Arroyo de los Frijoles) Comment
  RSA622154  Castilleja wightii John A. Churchill 1974-4-14 744121 San Mateo Half Moon Bay. Route 1 behind Half Moon Bay. Comment
  SJSU11476  Castilleja wightii S. H. Casey 1969-5-18 250 San Mateo San Bruno Mt below Fern Rock Comment
  CAS-BOT-BC39377  Caulanthus lasiophyllus John H. Thomas 1961-5-13 9339 San Mateo At Franklin Point. Comment
  CAS-BOT-BC39379  Caulanthus lasiophyllus L. R. Abrams 1917-4-12 6434 San Mateo Near Crystal Springs Lake. Comment
  JROH1523  Caulanthus lasiophyllus John H. Thomas 1963-3-20 10024 San Mateo Jasper Ridge Biological Preserve, Stanford University; near poppy knoll Comment
  JROH1531  Caulanthus lasiophyllus John Rawlings, Ann Lambrecht 2010-5-5 1098 San Mateo Jasper Ridge Biological Preserve, Stanford University; open area up-slope side of the long, straight stretch of Trail 9 158 Comment
  CAS-BOT-BC48394  Ceanothus cuneatus var. cuneatus Lewis S. Rose 1964-3-23 64011 San Mateo Emerald Lake, w. of Redwood City 121 Comment
  POM285184  Ceanothus cuneatus var. dubius Arthur L. Cohen 1935-4-21 613 San Mateo Jasper Ridge, Stanford University. Santa Cruz Mtn Range, San Francisco Bay Watershed. 152 Comment
  RSA169355  Ceanothus cuneatus var. dubius L. S. Rose 1964-3-23 64011 San Mateo Emerald Lake, hills W of Redwood City. 122 Comment
  CAS-BOT-BC50042  Ceanothus incanus Walter Knight; James B. Roof 1965-5-9 1136 San Mateo Brotherhood Way - Daly City Comment
  SBBG116527  Ceanothus integerrimus D. H. Wilken with E. Painter 2003-5-10 16067 San Mateo Skyline Blvd (St Hwy 35), near head of La Honda Crk, 0.8 linear km NE of Allen Lookout, Santa Cruz Mtns 610 Comment
  CAS-BOT-BC51600  Ceanothus oliganthus var. sorediatus W. R. Dudley 1893-4-1 s.n. San Mateo Foothills - McDuough Place near portola Comment
  CAS-BOT-BC51604  Ceanothus oliganthus var. sorediatus Brandegee 1890-5-1 38 San Mateo Mts. bet. San Francisco and Santa Cruz Comment
  RSA34326  Ceanothus oliganthus var. sorediatus Paul R. Hichborn 1920-4-21 s.n. San Mateo Strawberry bend near Carte Madera Creek Comment
  UC774510  Ceanothus oliganthus var. sorediatus Carl B. Wolf 1941-7-31 11113 San Mateo 1 mi e summit La Honda Grade; Santa Cruz Mts., summit of La Honda Grade 396 Comment
  UC79845  Ceanothus oliganthus var. sorediatus Katharine Brandegee April 1889 39 San Mateo Mountains back Redwood City; back of Redwood City Comment
  CAS-BOT-BC51850  Ceanothus papillosus Charles Piper Smith 1905-4-26 868 San Mateo Woodside. Cahil Ridge. King's Mt. Road 365 Comment
  UCR139357  Ceanothus papillosus David D. Keck 1932-5-11 1774 San Mateo San Francisco Bay Region, east side of Kings Mountain, on Kings Mountain Road 500 Comment
  CAS-BOT-BC52300  Ceanothus thyrsiflorus W. R. Dudley 1900-4-15 s.n. San Mateo Above Crystal Springs and Half Moon Bay road Comment
  CAS-BOT-BC52304  Ceanothus thyrsiflorus A. D. E. Elmer 1903-6-1 4603 San Mateo Lake San Andreas Comment
  CAS-BOT-BC52312  Ceanothus thyrsiflorus J. I. McMurphy 1906-5-8 12 San Mateo Woodside, Santa Cruz Mts. 121 Comment
  CDA34570  Ceanothus thyrsiflorus M. Beyers, Z. Bakman, L. Feely, & D. Sozanni 2011-4-4 868 San Mateo Pacifica: San Pedro Valley County Park, along Brooks Creek Trail. 148 Comment
  RSA153472  Ceanothus thyrsiflorus John H. Thomas 1961-5-7 9295 San Mateo San Bruno Mountain in northern part of county. 305 Comment
  UC1219870  Ceanothus thyrsiflorus John H. Thomas 1961-5-7 9295 San Mateo San Bruno Mountain in northern part of county. 304 Comment
  UC1537016  Ceanothus thyrsiflorus Gordon H. True Jr. 1937-3-31 615 San Mateo on Salada Beach Road 60 Comment
  UCSB3905  Ceanothus thyrsiflorus var. griseus Walker, Clifford 1954-4-20 San Mateo Woodside Rd. 1 mi. E. Woodside 2 Comment
  JROH592  Centaurea calcitrapa John Hunter Thomas 1977-6-16 18767 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH597  Centaurea calcitrapa John Hunter Thomas 1992-7-24 25388 San Mateo Jasper Ridge Biological Preserve, Stanford University; near boat ramp Comment
  UC30907  Centaurea calcitrapa Alice Eastwood 1896-9-1 San Mateo on the road to Crystal Springs Comment
  CAS-BOT-BC274585  Centaurea calcitrapa G. H. Mallory 1919-7-21 s.n. San Mateo Santa Cruz Mountain Peninsula. Near San Mateo Comment
  SD30655  Centaurea calcitrapa Edith A. Purer 1933-8-13 5423 San Mateo In an open field, Santa Clara Valley, near Belmont. Comment
  CAS-BOT-BC277127  Centaurea melitensis John H. Thomas 1963-5-20 10107 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  HSC23977  Centaurea melitensis Mary Katherine Wicksten 1971-6-24 118 San Mateo Huddart Park, side of park entrance Comment
  POM351515  Centaurea melitensis Paul C. Silva 1948-1-31 2629 San Mateo Old La Honda Grade, 1 mi. S of Skyline Blvd. 457 Comment
  POM130628  Centaurium davyi E. B. Copeland 1903-5-24 3262 San Mateo Along Crystal Springs Lake Comment
  RSA133075  Centaurium davyi John H. Thomas 1954-6-11 4276 San Mateo 0.8 mile north of Pescadero Creek. 30 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
  CAS-BOT-BC384959  Cerastium arvense David D. Keck 1933-5-11 2303 San Mateo Montara Summit, Montara Mountain Comment
  CAS-BOT-BC384957  Cerastium arvense David D. Keck 1932-3-27 1410 San Mateo Stanford University; near the quarry on Matadero Creek Comment
  CAS-BOT-BC384961  Cerastium arvense Paul F. Covel 1937-4-15 580 San Mateo Hgwy sumt. Montara Mts. Comment
  RSA788848  Cerastium fontanum subsp. vulgare Peter Rubtzoff 1977-11-24 9141 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  JROH1693  Cerastium glomeratum John H. Thomas 1971-4-24 15772 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1950  Chamaesyce serpillifolia subsp. serpillifolia James McMurphy 1906-8-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Comment
  UC1191353  Chenopodium berlandieri Malcolm A. Nobs and S. Galen Smith 1949-8-26 1605 San Mateo marshy stream bank about 1 mi s Pigeon Point Comment
  JROH1818  Chenopodium californicum John H. Thomas 1966-4-29 11585 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS59770  Chenopodium chenopodioides W. L. Jepson 1923-10-18 10258 San Mateo hills w Colma (swale near ocean) Comment
  SEINET5765025 Image available Chenopodium macrospermum var. halophilum L. R. Abrams, I. L. Wiggins 1930-1 I 78 San Mateo Salada Beach Comment
  JROH1826  Chenopodium rubrum var. humile John Hunter Thomas 1980-11-27 20190 San Mateo Jasper Ridge Biological Preserve, Stanford University; delta Comment
  CAS-BOT-BC473026  Chenopodium rubrum var. humile W. R. Dudley 1906-10-12 14 San Mateo Santa Cruz Mountain Peninsula. Pond [14 - either cln no or pond no.] Comment
  JROH1829  Chenopodium vulvaria Ann Lambrecht, Carol Zabel 2005-8-24 19 San Mateo Jasper Ridge Biological Preserve, Stanford University; Bear Creek crossing, east bank Comment
  RSA0105084  Chlorogalum purpureum T. B. Salvato, Lia V. D. Mansfield, Joel-Henry J. Mansfield 2008-6-14 3519 San Mateo Central Coast: Pebble Beach State Beach Bay, 12.5 mi north of Santa Cruz Co. line, along Hwy 1, Pacific Coast Hwy, 1.65 mi south of road to Pesacadero and 16 mi south of Half Moon Bay. 11 Comment
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Aug 30 2018
  CAS-BOT-BC191595  Chorizanthe cuspidata var. cuspidata D. E. Breedlove 1963-5-24 4975 San Mateo coastal bluff at Thornton Beach State Park, Daly City Comment
  JROH3222  Chorizanthe diffusa Le Roy Abrams 1901-5-20 1653 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC246284  Chorizanthe robusta var. robusta Katharine Brandegee 1905-6-1 s.n. San Mateo Unspecified Comment
  UCR122974  Chrysanthemum maximum George K. Helmkamp, E. A. Helmkamp 2001-6-2 6763 San Mateo Central Coast, Pillar Point Harbor, about 4 miles north of Half Moon Bay 6 Comment
  POM270420  Chrysolepis chrysophylla Lyman Benson 1932-7-25 3953 San Mateo Kings Mt. above Woodside; San Francisquito Cr. watershed. 305 Comment
  UC527532  Chrysolepis chrysophylla Carl B. Wolf 1931-8-21 San Mateo 0.5 way up e side Kings Mt. 365 Comment
  UC91747  Cirsium brevistylum K. Brandegee 1893-5-28 San Mateo Comment
  CAS-BOT-BC285671  Cirsium occidentale var. occidentale A. A. Heller 1906-6-8 8379 San Mateo Near Ocean View, San Francisco, on the Lake Merced side of the Ocean Shore tracks Comment
  JROH633  Cirsium occidentale var. venustum John H. Thomas 1973-6-10 16813 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC614959  Cirsium occidentale var. venustum Beryl O. Schreiber 1932-5-29 312 San Mateo Crystal Springs Comment
  UC306688  Cirsium quercetorum A. D. E. Elmer 1903-6-1 4290 San Mateo Crystal Springs Lake 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
  UC1211948  Cirsium vulgare Otto T. Solbrig 1958-8-3 2920 San Mateo near road Highway 5; Crystal Spring Lake 30 Comment
  CAS-BOT-BC285870  Cirsium vulgare Ned Cahill 1975-1-18 398 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  RSA791714  Clarkia Robert F. Thorne, P. Everett 1965-8-1 35076 San Mateo 21.5 miles S of Golden Gate Bridge. 69 Comment
  RSA130900  Clarkia amoena subsp. amoena E. K. Balls 1958-7-19 23570 San Mateo State Highway 5, 2 miles NW of junction with road from Big Basin State Park 671 Comment
  CAS-BOT-BC163377  Clarkia purpurea subsp. purpurea W. Knight; I. Knight 1965-6-20 1251 San Mateo Crystal Cave Canyon Comment
  CAS-BOT-BC163973  Clarkia purpurea subsp. quadrivulnera Margaret A. Barry 1937-5-15 145 San Mateo Exposed slopes on Coal Mine Ridge Comment
  RSA448311  Clarkia purpurea subsp. quadrivulnera H. F. Copeland 1929-7-4 1250 San Mateo La Honda Grade Comment
  CAS-BOT-BC165124  Clarkia rubicunda J. H. Thomas 1953-7-25 3504 San Mateo About 200 yards north of Pigeon Pt. Light House Comment
  CAS-BOT-BC165142  Clarkia rubicunda Alice Eastwood; John Thomas Howell 1938-6-26 6067 San Mateo Open ground avove La Honda Comment
  CAS-BOT-BC165148  Clarkia rubicunda Elizabeth McClintock; Carlyn Halde; Walter Knight; Walter Knight 1963-6-23 s.n. San Mateo Lower part of Colma Canyon Comment
  CAS-BOT-BC165157  Clarkia rubicunda Phipps 1922-7-1 s.n. San Mateo Tunitas Creek Comment
  CAS-BOT-BC165161  Clarkia rubicunda W. R. Dudley 1896-11-15 s.n. San Mateo Near Pilarcitos Lake Comment
  JEPS29416  Clarkia rubicunda L. R. Heckard 1961-7-16 1263 San Mateo ne transmitting station KQED (near summit of mountain); San Bruno Mt. 335 Comment
  JROH3016  Clarkia rubicunda John H. Thomas 1973-6-15 16850 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3035  Clarkia rubicunda John Hunter Thomas 1987-5-19 24296 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SBBG5002  Clarkia rubicunda H. and M. Dearing 1951-8-17 6945 San Mateo Pigeon Point, N of Santa Cruz Comment
  UC107811  Clarkia rubicunda Katharine Brandegee 1905-7-20 San Mateo near Lake Pilarcitos Comment
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Jun 26 2010
  UC1279941  Clarkia rubicunda Peter H. Raven 1957-6-24 10972 San Mateo n Light House (just above the beach); Pigeon Point Comment
  UC1279949  Clarkia rubicunda Peter H. Raven 1957-6-30 11014 San Mateo 1.8 mi e Pescadero (on road along Pescadero Creek) Comment
  CAS-BOT-BC165137  Clarkia rubicunda Robert Setzer 1969-7-18 3366 San Mateo Montara Beach Comment
  CAS-BOT-BC165139  Clarkia rubicunda Peter H. Raven 1957-6-30 11011 San Mateo 1.8 miles south of Sharp Park on State Highway 1 Comment
  CAS-BOT-BC165159  Clarkia rubicunda Lewis S. Rose 1957-7-6 57117 San Mateo Skyline Blvd. w. of San Mateo 182 Comment
  CAS-BOT-BC165166  Clarkia rubicunda A. G. Vestal 1937-6-15 s.n. San Mateo About 1/4 mi north from site of former hotel Pebble Beach near Pescadero Comment
  SEINET12189237  Clarkia rubicunda Unknown 1932-1 9247 San Mateo near Pescadero 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
  UC1094013  Clarkia rubicunda Lewis S. Rose 1957-7-6 57115 San Mateo w San Mateo (Skyline Blvd.) 182 Comment
  UCD104830  Clarkia rubicunda W. A. Harvey; J. M. Tucker 1948-6-29 1709 San Mateo Beside road to Portola State Park, just W of junction with Highway 5 (Skyline Boulevard). Comment
  POM32260  Clarkia rubicunda subsp. blasdalei Katherine Brandegee 1908-08 s.n. San Mateo Between San Pedro and Moss Beach Comment
  RSA108438  Clarkia rubicunda subsp. blasdalei Harlan Lewis, M. Lewis 1951-6-28 859 San Mateo 1.8 mile south of Sharp Park. Comment
  CAS-BOT-BC165603  Clarkia unguiculata C. F. Leithold 1894-8-13 s.n. San Mateo Devil's [Canon] Canyon, branch of Pescadero & Mill Cr., Black Mt. Comment
  CAS-BOT-BC439593  Claytonia parviflora subsp. parviflora H. A. Dutton 1900-2-11 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  JROH3348  Claytonia perfoliata subsp. perfoliata John H. Thomas 1975-4-19 17802 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3403  Clematis lasiantha John H. Thomas 1956-4-7 5628 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3410  Clematis lasiantha John H. Thomas 1966-4-29 11586 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3411  Clematis lasiantha D. E. Breedlove 1971-5-31 19378 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  CAS-BOT-BC91479  Clematis lasiantha W. R. Dudley 1900-3-16 s.n. San Mateo Santa Cruz Peninsula. By road below Harkersville. Comment
  JEPS121481  Clinopodium douglasii Adam C. Schneider 2013-5-17 126 San Mateo Crystal Springs Reservoir Comment
  JROH2875  Clinopodium douglasii John H. Thomas 1971-5-30 15954 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSC007734  Clinopodium douglasii Becky Hendricks, Chris Lay 2012-6-22 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC499369  Clintonia andrewsiana W. R. Dudley 1915-9-1 s.n. San Mateo El Corte de Madera Creek Comment
  SEINET12046246  Clintonia andrewsiana W. R. Dudley 1893-1 s.n. San Mateo Santa Cruz Penninsula, between Woodside and Summit Springs Comment
  OBI78393  Collinsia heterophylla Rimo Bacigalupi, G. T. Robbins 1954-6-18 4551 San Mateo Roadbank along Alpine Rd, 1/4 mi W of Skyline blvd 701 Comment
  CAS-BOT-BC240935  Collinsia multicolor Reed C. Rollins 1942-4-30 3019 San Mateo San Bruno Hills, 1 mile south of Daly City Comment
  JEPS17741  Collinsia multicolor A. Paul Martin 1957-5-23 San Mateo San Bruno Hills, at upper edge of town of Brisbane Brisbane; San Bruno Hills, Brisbane 198 Comment
  JROH3141  Collomia heterophylla John Hunter Thomas 1985-5-22 23674 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA653552  Collomia heterophylla George K. Helmkamp, E. A. Helmkamp 1999-6-28 4978 San Mateo Pescadero Rd just N of Loma Mar. 107 Comment
  RSA10271  Collomia heterophylla H. A. Barker 1927-5-6 696 San Mateo Summit of Kings Mts. Comment
  RSA681681  Comarostaphylis diversifolia subsp. diversifolia Annuschka Deb 1989-8-18 379 San Mateo Woodside. Comment
  JROH212  Conium maculatum John H. Thomas 1977-4-29 18576 San Mateo Jasper Ridge Biological Preserve, Stanford University; below Searsville Dam Comment
  SBBG54550  Conium maculatum C. Taylor 1971-6-12 158 San Mateo corner of Harbor Blvd and Old Country Rd, Belmont Comment
  RSA0059768  Convolvulus subacaulis Lewis S. Rose 1956-5-28 56080 San Mateo Skyline Blvd. W of San Mateo. 182 Comment
  CAS-BOT-BC286204  Conyza canadensis Peter Rubtzoff; Patricia Fallon 1987-8-26 9845 San Mateo San Bruno Mountains. Main part of Saddle area Comment
  CDA7456  Conyza sumatrensis J. T. Howell 1975-9-25 51508 San Mateo San Bruno Mountain. Comment
  JROH4030  Cordylanthus pilosus subsp. pilosus John H. Thomas 1974-8-11 17508 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4031  Cordylanthus pilosus subsp. pilosus Deane Bowers 1980-8-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; just inside the Mapache entrance once you reach the grassland Comment
  RSA40318  Cordylanthus pilosus subsp. pilosus L. S. Rose 1941-8-9 41362 San Mateo Woodside. 549 Comment
  RSA130827  Cordylanthus rigidus subsp. rigidus W. R. Dudley 1902-9-1 s.n. San Mateo Whipple Road near Crystal Springs Lake. Comment
  SEINET11859850  Corethrogyne californica Unknown 1932-5-8 9109 San Mateo above Spring Valley Lakes Comment
  CAS-BOT-BC210357  Cornus sericea Margaret A. Barry 1938-5-6 s.n. San Mateo Los Trancos Creek near Coal Mine Ridge Comment
  CAS-BOT-BC210361  Cornus sericea Dr. E Goodman 1922-7-1 s.n. San Mateo Near Lake San Andreas Comment
  CAS-BOT-BC210468  Cornus sericea subsp. occidentalis W. R. Dudley 1895-6-8 s.n. San Mateo Santa Cruz Peninsula. Pescadero Creek at Camp near Iverson's Comment
  SEINET5740826 Image available Cornus sericea subsp. occidentalis R. E. Dengler 1960-1 30 San Mateo Wyndham Drive near Sausal Creek, Portola Valley.; Portola Valley 128 Comment
  JROH1864  Cornus sericea subsp. sericea John H. Thomas 1961-5-5 9211 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below Searsville Dam 76 Comment
  JROH1867  Cornus sericea subsp. sericea John Hunter Thomas 1981-4-21 20460 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1876  Cornus sericea subsp. sericea John Hunter Thomas 1985-4-25 23554 San Mateo Jasper Ridge Biological Preserve, Stanford University; causeway Comment
  JROH5906  Cornus sericea subsp. sericea M. Ray 1982-4-25 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; swamp trail about 1 km from Mapache Gate Comment
  JROH4975  Cortaderia selloana John Hunter Thomas 1982-7-3 21060 San Mateo Jasper Ridge Biological Preserve, Stanford University. Lake edge Comment
  CAS-BOT-BC180369  Corylus cornuta subsp. californica David D. Keck 1932-2-12 1362 San Mateo La Honda road, E slope of Coast Range above Searsville Lake 304 Comment
  JROH1332  Corylus cornuta subsp. californica John H. Thomas 1959-4-5 7668 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1334  Corylus cornuta subsp. californica John H. Thomas 1974-5-3 17246 San Mateo Jasper Ridge Biological Preserve, Stanford University; in redwood area below dam Comment
  LA204122  Corylus cornuta subsp. californica D. Keck; 1932-2-12 1362 San Mateo Santa Cruz Mountains, La Honda road, E-slope of Coast Range above Searsville Lake 300.0 Comment
  RSA101050  Corylus cornuta var. californica G. Oberlander 1950-2-1 415 San Mateo Sawyer Ridge, San Francisco Watershed Reserve. Comment
  SD27760  Corylus cornuta var. californica Carl B. Wolf 1927-2-26 223 San Mateo La Honda Grade 305 Comment
  SEINET12034012  Corylus rostrata var. californica Unknown 1929-1 7292 San Mateo Kings Mtn Comment
  CAS-BOT-BC453504  Cotoneaster lacteus Elizabeth McClintock 1978-7-1 s.n. San Mateo Colma Canyon; San Bruno Mountains Comment
  JROH659  Cotula australis John H. Thomas 1979-4-8 19445 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC287305  Cotula australis Walter & Irja Knight 1965-2-28 874 San Mateo San Bruno Mt. Ridge 0.25 mile E parking lot Comment
  CHSC22928  Cotula coronopifolia Robert A. Schlising; Glenn Keator 1962-2-3 2047 San Mateo California Coast Ranges. Along Gazos Creek at Highway 1. Comment
  JEPS37555  Cotula coronopifolia W. L. Jepson 1923-10-18 10255 San Mateo w of Colma (near ocean) Comment
  JROH662  Cotula coronopifolia John Hunter Thomas 1981-7-12 20707 San Mateo Jasper Ridge Biological Preserve, Stanford University; edge of water along old beach Comment
  UC912224  Cotula coronopifolia Herbert L. Mason 1927-4-24 3707 San Mateo mouth of San Gregorio Creek Comment
  CAS-BOT-BC291465  Cotula coronopifolia John H. Thomas 1963-5-20 10100 San Mateo Ano Nuevo Island about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  CAS-BOT-BC291471  Cotula coronopifolia Margaret A. Barry 1938-5-14 254 San Mateo In Mud Lake on Coal Mine Ridge Comment
  CAS-BOT-BC291476  Cotula coronopifolia Elsie Zeile 1911-3-30 s.n. San Mateo S. San Francisco Comment
  UCR121261  Cotula mexicana Don Pendleton 2002-4-8 s.n. San Mateo San Francisco Bay Region, Sharp Park Golf Course, Pacifica 15 Comment
  JEPS10206  Crassula aquatica Rimo Bacigalupi with G. T. Robbins 1954-6-18 4561 San Mateo Point Ano Nuevo Comment
  JEPS50002  Crassula aquatica F. T. Bioletti June, 1893 San Mateo Lake Pilarcitos Comment
  RSA100981  Crassula aquatica G. Oberlander 1949-8-20 374 San Mateo San Andreas Lake, San Francisco Watershed Reserve. Comment
  CAS-BOT-BC290924  Crepis vesicaria John Thomas Howell 1956-5-1 31316 San Mateo Just s. of Woodside on road to Searsville Comment
  JROH4980  Crypsis schoenoides John Hunter Thomas 1980-11-12 20168 San Mateo Jasper Ridge Biological Preserve, Stanford University. Delta Comment
  JROH4981  Crypsis schoenoides John Hunter Thomas 1980-11-27 20193 San Mateo Jasper Ridge Biological Preserve, Stanford University. Delta Comment
  JROH1357  Cryptantha flaccida J. I. McMurphy 1911-5-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA9446  Cryptantha torreyana D. G. Kelch 2002-5-13 s.n San Mateo Cahill Ridge. 0 Comment
  UC903434  Cupressus abramsiana unknown San Mateo on the n bank of the North Fork of Butano Creek North Fork of Butano Creek ((common corner of Section 11 and 12, and 13 and 14, range 4W) Comment
Read comments
Nov 11 2011
  RSA704404  Cupressus abramsiana subsp. butanoensis John Silba 2004-12-28 B- 424 San Mateo CA., San Mateo County., Pescadero County Park, on Botano Ridge, ca. 5-5.5 miles East of Dearborn Park Road, 375 Comment
  RSA128701  Cupressus macrocarpa J. T. Howell 1957-5-8 s.n. San Mateo Skyline Blvd. west of San Bruno Comment
  UC1303040  Cupressus macrocarpa J. H. Thomas 1964-6-19 10423 San Mateo 0.5 mi below Skyline Blvd. (on Half Moon Bay Road toward Crystal Springs Reservoir); Half Moon Bay Road Comment
  SD38407  Cuscuta pacifica var. pacifica Edith A. Purer 1933-8-13 5408 San Mateo Small bottom near Baden Station Comment
  RSA141086  Cynara scolymus John H. Thomas 1960-6-25 8800 San Mateo Redwood City. Along or near a small creek running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street. 8 Comment
  JROH1390  Cynoglossum grande John H. Thomas 1958-2-15 6986 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1391  Cynoglossum grande Duncan M. Porter 1961-2-5 739 San Mateo Jasper Ridge Biological Preserve, Stanford University; near gate at Westridge end of ridge Comment
  RSA15257  Cynoglossum grande C. B. Wolf 1927-2-26 220 San Mateo Under oaks on the La Honda Grade. Comment
  JROH5012  Cynosurus echinatus John Hunter Thomas 1990-5-29 24862 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near picnic area Comment
  JROH4379  Cyperus eragrostis John Hunter Thomas 1978-5-23 19224 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4382  Cyperus eragrostis John Hunter Thomas 1983-5-23 22237 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near shack side & low-flow crossing. Comment
  JROH4384  Cyperus eragrostis John Hunter Thomas 1983-7-7 22817 San Mateo Jasper Ridge Biological Preserve, Stanford University. Just below dam. Comment
  JROH4387  Cyperus eragrostis John H. Thomas 1968-10-29 14855 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC136517  Cypripedium montanum Miss. F. Patterson 1911-5-6 s.n. San Mateo Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC198193  Cytisus scoparius Daniel Cohen 1953-5-5 69 San Mateo Skyline Drive above San Mateo Comment
  JROH5017  Dactylis glomerata John Hunter Thomas 1977-6-16 18753 San Mateo Jasper Ridge Biological Preserve, Stanford University. Weedy area near old racing oval Comment
  JROH5030  Dactylis glomerata John Hunter Thomas 1988-5-25 24491 San Mateo Jasper Ridge Biological Preserve, Stanford University. SLAC corridor. Comment
  JROH5031  Dactylis glomerata W. Lennihan 1989-5-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Across dam, down trail to meadow, turn left -- all along road before bridge over creek. Comment
  CAS-BOT-BC192229  Danthonia californica A. G. Vestal 1926-5-26 s.n. San Mateo North end of San Bruno Mt Comment
  CAS-BOT-BC192231  Danthonia californica Ira L. Wiggins 1929-5-10 3673 San Mateo At Pigeon Point Comment
  CAS-BOT-BC192236  Danthonia californica E. H. Quayle 1920-5-2 714 San Mateo Moss Beach Comment
  UCD60479  Danthonia californica R. Tofsrud 1947-6-14 s.n. San Mateo 1-2 mi. N of Pescadero on road to San Gregorio. Comment
  SEINET10860712  Danthonia californica Adolph D. E. Elmer Elmer 4707 San Mateo Crystal Springs Lake. Comment
  RSA18328  Danthonia californica var. americana C. B. Wolf 1929-5-10 3707 San Mateo Coast at Pigeon Pt. South of Pescadero. Comment
  RSA470468  Daucus pusillus T. Gertrude Williamson 1924-6-28 s.n. San Mateo Moss Beach Comment
  JEPS30900  Deinandra corymbosa J. H. Thomas 1959-8-16 8067 San Mateo about 2 mi n of Pigeon Point 15 Comment
  UC32721  Deinandra corymbosa J. Burtt Davy 1893-6-17 812 San Mateo Belmont Comment
  SD30844  Deinandra corymbosa Edith A. Purer 1933-5-31 3662 San Mateo Spring Valley Lakes. Comment
  CAS-BOT-BC299218  Deinandra corymbosa subsp. corymbosa Elsie Zeile 1909-5-20 s.n. San Mateo Burlingame Comment
  CAS-BOT-BC299205  Deinandra corymbosa subsp. corymbosa W. R. Dudley 1897-10-11 s.n. San Mateo Near Half Moon Bay (Spanishtown) Comment
  CAS-BOT-BC299212  Deinandra corymbosa subsp. corymbosa R. F. Hoover 1966-8-27 9942 San Mateo Half Moon Bay Comment
  SJSU8504  Deinandra pentactis B. W. Grushkowitz 1969-9-27 San Mateo Cloverdale Road near Gazos Creek Road c. 2 miles E of coastal shore line, E of Pigeon Point Comment
  CAS-BOT-BC9213  Delphinium californicum J. H. Thomas 1961-5-7 9279 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC9221  Delphinium californicum George Thomas Oberlander 1949-6-25 241 San Mateo Pilarcitos Canyon Comment
  HSC25037  Delphinium californicum L. S. Rose 1965-5-3 65058 San Mateo San Bruno Mtns., Colma Canyon 61 Comment
  UCD95637  Delphinium californicum Lewis S. Rose 1965-5-3 65058 San Mateo San Bruno Mountain, Colma Canyon. 60 Comment
  JROH3432  Delphinium californicum subsp. californicum D. E. Breedlove 1971-5-31 19358 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH3434  Delphinium californicum subsp. californicum John H. Thomas 1973-6-10 16811 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC9231  Delphinium decorum W. R. Dudley 1900-3-17 s.n. San Mateo South side near the typ of Montaro Mountain Comment
  RSA51292  Delphinium decorum Peter H. Raven 1950-4-16 1788 San Mateo Colma Canyon, San Bruno Mountains. 183 Comment
  CAS-BOT-BC10288  Delphinium hesperium Alice Eastwood 1912-6-10 320 San Mateo Crystal Springs Comment
  CAS-BOT-BC10292  Delphinium hesperium Elizabeth McClintock 1979-5-28 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  RSA122777  Delphinium hesperium N. K. Carlson 1935-6-29 107 San Mateo San Mateo: 1 mile S of Pescadero, Santa Cruz. 91 Comment
  POM177534  Delphinium patens W. R. Dudley 1894-05 s.n. San Mateo Woodside to Crystal Springs Reservoir Comment
  JROH3452  Delphinium patens subsp. patens John H. Thomas 1972-4-1 16050 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3454  Delphinium patens subsp. patens John H. Thomas 1976-4-3 18070 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3457  Delphinium patens subsp. patens John H. Thomas 1978-4-8 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC7893  Delphinium variegatum C. F. Baker 1902-4-6 458 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC7888  Delphinium variegatum LeRoy Abrams 1902-5-4 2410 San Mateo not specified Comment
  CAS-BOT-BC7936  Delphinium variegatum Cynthia Steele 1948-4-18 26 San Mateo Redwood City Comment
  CAS-BOT-BC7927  Delphinium variegatum subsp. variegatum Alice Eastwood 1896-4-1 s.n. San Mateo Crystal Springs Comment
  JEPS23360  Delphinium variegatum subsp. variegatum W. L. Jepson 1914-3-22 5734 San Mateo Redwood Farm Redwood City (home of Mr. and Mrs. J. W. Goodwin) 30 Comment
  CAS-BOT-BC630  Dendromecon rigida subsp. rigida George Thomas Oberlander 1950-3-11 414 San Mateo Southern boundary on Cahill Ridge. Comment
  CAS-BOT-BC192597  Deschampsia cespitosa subsp. holciformis Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo Crocker Hills Comment
  CAS-BOT-BC192599  Deschampsia cespitosa subsp. holciformis H. L. Mason 1921-5-29 s.n. San Mateo Near Arroyo de las Frijoles Comment
  JEPS83606  Deschampsia cespitosa subsp. holciformis Roy E. Buck and Randall A. Morgan 1984-6-17 505 San Mateo ca. 5.7 km. s.w. of Redwood City (in area bounded by Hwy. I-280 & Edgewood Rd. & Canada Rd.); San Francisco Watershed Reserve 152 Comment
  SJSU15433  Deschampsia cespitosa subsp. holciformis Toni Corelli 2010-5-4 626 San Mateo Ano Nuevo, Cascade Field along Atkinson Bluff Trail 12 Comment
  JROH5046  Deschampsia danthonioides John H. Thomas 1957-4-16 6654 B San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5051  Deschampsia danthonioides John H. Thomas 1983-6-29 22718 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM190539  Deschampsia danthonioides D. D. Keck 1932-4-29 1448 San Mateo Redwood City. Fields near the San Francisco Bay salt marshes Comment
  CAS-BOT-BC201908  Deschampsia elongata W. R. Dudley 1908-6-26 s.n. San Mateo Edge of Dry Pond, Coal Mine Ridge Road Comment
  CAS-BOT-BC902  Dicentra chrysantha L. R. Abrams 1921-5-25 8007 San Mateo Halfway to summit of Mt. Diablo Comment
  CAS-BOT-BC903  Dicentra chrysantha Rimo Bacigalupi 1926-4-30 1355 San Mateo Near summit of Mt. Diablo Comment
  CAS-BOT-BC906  Dicentra chrysantha Alice Eastwood 1915-5-30 4519 San Mateo Mt. Diablo Comment
  SJSU112  Dicentra formosa T. Rogers 1929-5-30 San Mateo Kings Mt Comment
  POM148896  Dicentra formosa subsp. formosa C. F. Baker 1902-3-22 344 San Mateo Crystal Springs Lake Comment
  JROH4656  Dichelostemma capitatum subsp. capitatum John H. Thomas 1967-5-10 12843 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSB11443  Dichelostemma capitatum subsp. capitatum Olson, Jim 1962-4-17 San Mateo 10 miles east of Halfmoon Bay on Canada Road 30 Comment
  UC634883  Dichondra donelliana H. L. Mason 1928-2-22 4156 San Mateo San Bruno Mountains Comment
  CHSC56594  Digitalis purpurea Steven Triano 1988-5-24 168 San Mateo Along se side of Old La Honda Road ca 0.5 air miles e of SkyLonda. 405 Comment
  CAS-BOT-BC150446  Diplacus aurantiacus Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo Base of Quarry 2 Comment
  CAS-BOT-BC150462  Diplacus aurantiacus Phillip Wheeler 1965-6-14 s.n. San Mateo Gladys Canyon in Brisbane Comment
  CAS-BOT-BC150468  Diplacus aurantiacus Elizabeth McClintock; Paul Reeberg 1988-5-20 s.n. San Mateo Carter Street Comment
  CAS-BOT-BC151992  Diplacus douglasii H. A. Dutton 1900-2-4 s.n. San Mateo Woodside serpentine. Comment
  CAS-BOT-BC151990  Diplacus douglasii L. R. Abrams 1915-3-23 5566 San Mateo Between Woodside and Crystal Springs Lake by crossroads - Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC121860  Dirca occidentalis Walter Knight; Irja Knight; James B. Roof; Gregory Whipple; Ihsan A. Al-Shehbaz 1969-9-22 2792 San Mateo 0.9 miles from Pilarcitos Dam en route to Montara Mountain. On San Francisco Water Dept. Property. 274 Comment
  HSC21402  Dirca occidentalis L. S. Rose 1964-3-9 64004 San Mateo North end of Crystal Springs Lake. 122 Comment
  HSC67075  Dirca occidentalis Richard Spjut, Donald Stoffey 1980-5-15 6196 San Mateo Palo Alto Foothill Park, along Steep Hollow Trail about 0.25 mi. from its junction with Wildhorse Valley. 229 Comment
  JROH4205  Dirca occidentalis John H. Thomas 1971-4-21 15770 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA130910  Dirca occidentalis E. K. Balls 1958-7-22 23593 San Mateo North end of Searsville Lake 183 Comment
  RSA392566  Dirca occidentalis L. S. Rose 1933-3-2 33002 San Mateo San Andreas Lake Comment
  SEINET3820684 Image available Dirca occidentalis Lewis S. Rose 1933-3-2 33002 San Mateo San Andreas Lake. Comment
  SEINET10776854 Image available Dirca occidentalis Lewis S. Rose 1939-4-12 Rose 39060 San Mateo Crystal Springs Lake 152 Comment
  POM169492  Disporum hookeri var. hookeri C. F. Baker 1902-4-6 650 San Mateo Crystal Springs Lake. Comment
  POM169800  Disporum smithii A. D. E. Elmer 1903-05 4697 San Mateo Butano Creek Comment
  SEINET11973366  Dodecatheon clevelandii Unknown 1930-1 7436 San Mateo Jasper Ridge Comment
  JROH3377  Dodecatheon clevelandii subsp. patulum Duncan M. Porter 1961-2-5 738 San Mateo Jasper Ridge Biological Preserve, Stanford University. In middle of corral at lower end of large meadow on crest of ridge Comment
  UC1001491  Dodecatheon clevelandii subsp. patulum H. J. Thompson 1948-2-23 1037 San Mateo sw Stanford University (e end of Jasper Ridge near Los Trancos Creek); sw of Stanford University, nr Los Trancos Creek Comment
  CAS-BOT-BC389755  Dodecatheon hendersonii J. Nieri 1969-2-26 s.n. San Mateo Hillsborough Comment
  JROH1514  Draba verna John Hunter Thomas 1988-4-6 24369 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH1512  Draba verna John Hunter Thomas 1985-4-10 23517 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam near bridge over San Francisquito Creek Comment
  CAS-BOT-BC159548  Drymocallis glandulosa var. glandulosa George Oberlander 1950-4-2 559 San Mateo Near San Andreas Lake - San Francisco Watershed Reserve Comment
  CAS-BOT-BC159502  Drymocallis glandulosa var. glandulosa Elizabeth McClintock 1965-3-28 s.n. San Mateo From burned over area in Devil's Arroyo - San Bruno Mountain Comment
  CAS-BOT-BC159537  Drymocallis glandulosa var. glandulosa W. R. Dudley 1894-5-30 s.n. San Mateo Near San Carlos - Santa Cruz Peninsula Comment
  CAS-BOT-BC159540  Drymocallis glandulosa var. glandulosa H. A. Lewis 1908-5-7 s.n. San Mateo Near Searsville Comment
  CAS-BOT-BC159542  Drymocallis glandulosa var. glandulosa C. F. Leithold 1894-8-13 s.n. San Mateo Devil's Canyon, Black Mountain - Santa Cruz Peninsula Comment
  UC1206461  Drymocallis glandulosa var. wrangelliana W. R. Dudley 1900-3-17 San Mateo grade up Montara Mt. by road Santa Cruz Peninsula, grade up Montara Mt. Comment
  CAS-BOT-BC67893  Dryopteris arguta David D. Keck 1932-2-12 1361 San Mateo La Honda Road, east slope of Coast Range above Searsville Lake 304 Comment
  CAS-BOT-BC67895  Dryopteris arguta Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain - Buckeye Canyon Comment
  JROH26  Dryopteris arguta John H. Thomas 1973-6-15 16840 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH35  Dryopteris arguta John Hunter Thomas 1980-6-5 20000 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  SEINET11619628  Dryopteris arguta Unknown 1932-1 8923 San Mateo Woodside Comment
  UCR240611  Dudleya T. B. Salvato, Lia V. D. Mansfield, Joel-Henry J. Mansfield 2008-6-14 3525 San Mateo Central Coast, Pebble Beach State Beach, 12.5 mi north of Santa Cruz Co. line, along Hwy 1, Pacific Coast Hwy, 1.65 mi south of road to Pesacadero and 16 mi south of Half Moon Bay 11 Comment
  JROH5837  Dysphania ambrosioides Ann Lambrecht 2011-8-2 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; now-dry bed of San Francisquito Creek below Dennis Martin marker Comment
  JROH1914  Elatine John Hunter Thomas 1984-4-8 23276 San Mateo Jasper Ridge Biological Preserve, Stanford University 166 Comment
  JROH1912  Elatine brachysperma John Hunter Thomas 1982-8-13 21137 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC113593  Eleocharis acicularis George Thomas Oberlander 1950-5-6 841 San Mateo Pilarcitos Canyon Comment
  RSA176541  Elymus X gouldii John H. Thomas 1963-6-23 10159 San Mateo Along Alpine Road near Ladera Comment
  JEPS113013  Elymus californicus Dean W. Taylor 1994-5-10 14279 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
  POM295861  Elymus glaucus Lyman Benson 1937-6-24 83906 San Mateo Coal Mine Ridge; Santa Cruz Mt. Range; South of Stanford University 396 Comment
Read comments
Sep 22 2011
  JROH5110  Elymus glaucus subsp. glaucus John Hunter Thomas 1988-5-16 24467 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low flow crossing. Comment
  CAS-BOT-BC235203  Elymus multisetus L. R. A. 1901-5-1 1866 San Mateo Woodside Comment
  JROH5134  Elymus multisetus W. Lennihan 1990-4-20 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Fire road - serpentine - 150 yds from end by farthest live oak clump (8 trees), 1 1/2 yd left of road. Comment
  JROH5137  Elymus multisetus John Hunter Thomas 1992-6-8 25370 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR279842  Elymus repens Peter Rubtzoff 1977-6-21 9055 San Mateo San Francisco Bay Region, San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 213 Comment
  JROH5279  Elymus triticoides Toni Corelli 2006-5-30 311 San Mateo Jasper Ridge Biological Preserve, Stanford University; along roadside at junction of main gate Road L and Road K to Leonard's residence 115 Comment
  JROH3042  Epilobium brachycarpum John H. Thomas 1971-8-7 16019 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3044  Epilobium brachycarpum John H. Thomas 1972-8-18 16152 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3047  Epilobium brachycarpum John Hunter Thomas 1988-10-17 24601 San Mateo Jasper Ridge Biological Preserve, Stanford University; near lake Comment
  CAS-BOT-BC166140  Epilobium canum subsp. canum Lewis S. Rose 1965-9-4 65099 San Mateo Skyline Blvd. & Half Moon Bay Rd, Cahill Ridge 243 Comment
  SBBG33992  Epilobium canum subsp. canum L. S. Rose 1969-8-8 San Mateo Cahill Ridge, Skyline Blvd and Half Moon Bay Rd 243 Comment
  JROH3063  Epilobium densiflorum H. J. Dengler 1972-8-17 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; edge of water along W. Searsville inlet Comment
  RSA176752  Epilobium minutum John H. Thomas 1963-5-15 10092 San Mateo Jasper Ridge Biological Experimental Area. 5 miles SW of Palo Alto Comment
  UCD84586  Epipactis gigantea Christopher Michael Bronny 2009-9-29 19 San Mateo Specimen collected along channelized/constrained banks of Belmont Creek south of Harbor Boulevard/east of Industrial Boulevard; property owned and maintained by Novartis Pharmaceuticals. 4 Comment
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Mar 10 2012
  RSA0065214  Equisetum A. C. Sanders 2014-8-3 41236 San Mateo South San Francisco, San Francisco Bay Trail in vicinity of S Airport Drive, Utah Ave., and Haskins Way, between Hwy 101 and San Francisco Bay. 3 Comment
  JROH61  Equisetum arvense John Hunter Thomas 1983-7-7 22822 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  CAS-BOT-BC57598  Equisetum telmateia Elizabeth McClintock 1965-3-28 s.n. San Mateo Devil's Arroyo Comment
  JROH68  Equisetum telmateia subsp. braunii Lawrence J. Winship 1974-11-2 3 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  SEINET11613894  Equisetum telmateia subsp. braunii Unknown 1932-1 8935 San Mateo La Honda Road to Sky Line Drive Comment
  POM214347  Equisetum telmateia var. braunii I. L. Wiggins 1931-3-15 5103 San Mateo Between Skyline Blvd and La Honda. Comment
  RSA15198  Equisetum telmateia var. braunii C. B. Wolf 1926-10-19 75 San Mateo La Honda Grade. Santa Cruz Mtns. Comment
  SJSU15447  Eragrostis curvula John Rawlings 2009-5-1 1048 A San Mateo This ornamental grass appeared along a short stretch of San Hill Rd. at the entrance to the Horse Park at Woodside. 119 Comment
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Feb 18 2015
  JROH5925  Eragrostis curvula John Rawlings 2009-5-1 1048 San Mateo Sand Hill Road at entrance to Horse Park at Woodside, on the Menlo Park-Woodside border, San Mateo Co. Comment
  CAS-BOT-BC284050  Eragrostis pectinacea var. pectinacea Ira L. Wiggins 1973-6-24 22020 San Mateo Bed of San Francisquito Creek, 50-60 m upstream from Pope Street bridge, boundary between San Mateo and Santa Clara counties Comment
  SD37544  Erechtites argutus Edith A. Purer 1933-8-13 5422 San Mateo Along roadside, near Belmont. Comment
  SEINET11859535  Erechtites argutus Unknown 1933-8-13 10505 San Mateo Santa Clara Valley, Belmont Comment
  CDA4546  Erechtites glomeratus I. J. Campbell 1958-4-18 322 -58 San Mateo 0 Comment
  RSA132467  Eremocarpus setiger John H. Thomas 1959-8-22 8076 San Mateo Jasper Ridge, about 5 miles southwest of Palo Alto. 152 Comment
  CAS-BOT-BC286882  Ericameria ericoides David D. Keck 1931-10-5 1286 San Mateo 1 mile north of Salada Beach Comment
  JROH647  Erigeron bonariensis Toni Corelli 2006-8-16 326 San Mateo Jasper Ridge Biological Preserve, Stanford University. South of Road B, along San Francisquito Creek in dry creek bed below Dennis Martin marker site 70 Comment
  JROH651  Erigeron canadensis John Hunter Thomas 1981-10-25 20771 San Mateo Jasper Ridge Biological Preserve, Stanford University; near main gate 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
  JROH691  Erigeron foliosus var. foliosus John H. Thomas 1973-6-10 16807 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC31473  Erigeron foliosus var. franciscensis J. Burtt Davy 1893-6-17 804 San Mateo Belmont Comment
  CAS-BOT-BC300614  Erigeron foliosus var. franciscensis Elizabeth McClintock; Walter Knight; Irja Knight; Baki Kasapligil 1967-7-18 s.n. San Mateo San Bruno Mountain. In old quarry in Colma Canyon Comment
  CAS-BOT-BC295086  Erigeron glaucus Elizabeth McClintock 1963-6-9 s.n. San Mateo San Bruno Mountain Comment
  CAS-BOT-BC295094  Erigeron glaucus Louis F. Pitelka 1974-5-28 s.n. San Mateo Bolsa Point, about 1 mi N of Pigeon Point and about 39 mi S of San Francisco Comment
  CHSC27893  Erigeron glaucus Susan Perkins 1978-3-24 10 San Mateo San Gregorio Beach, Jct Hwys 1 and 84, 9 mi w of La Honda. 30 yds s of San Gregorio Creek. 4 Comment
  CAS-BOT-BC295074  Erigeron glaucus Barrett Anderson; Peter Rubtzoff 1988-4-26 3674 San Mateo San Bruno Mountain. Radio Road south of Guadalupe Parkway 365 Comment
  CAS-BOT-BC295081  Erigeron glaucus W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. Montara Mountains Comment
  CAS-BOT-BC295084  Erigeron glaucus David D. Keck 1931-10-5 1290 San Mateo One km. north of Salada Beach Comment
  CAS-BOT-BC216247  Eriodictyon californicum Lewis S. Rose 1941-7-2 41288 San Mateo King's Mountain 480 Comment
  CAS-BOT-BC250545  Eriogonum gracile Paul H. Arnaud, Jr. 1959-8-2 s.n. San Mateo Hills above Redwood City Comment
  CAS-BOT-BC251982  Eriogonum latifolium Robt. T. Orr 1961-7-28 s.n. San Mateo Ano [Ano] Nuevo Island Comment
  CAS-BOT-BC251988  Eriogonum latifolium C. F. Baker 1903-6-30 3359 San Mateo Pilarcitos Comment
  CHSC28679  Eriogonum latifolium M. S. Taylor 1978-7-31 1871 San Mateo Ano Nuevo State Reserve. 0 Comment
  RSA107485  Eriogonum latifolium L. S. Rose 1955-7-25 55167 San Mateo Pigeon Point 6 Comment
  UC311072  Eriogonum latifolium A. D. E. Elmer July, 1903 4557 San Mateo Half Moon Bay Comment
  CAS-BOT-BC251970  Eriogonum latifolium Elizabeth McClintock 1972-5-10 s.n. San Mateo Rocky slope above Parking Lot at summit Comment
  CAS-BOT-BC251990  Eriogonum latifolium Mrs. E. C. Sutliffe 1934-7-12 s.n. San Mateo Along the Ocean Shore road Comment
  CAS-BOT-BC251998  Eriogonum latifolium R. S. Ferris 1917-10-21 730 San Mateo ocean cliff - Moss Beach Comment
  RSA273143  Eriogonum latifolium Glenn A. Gorelick 1967-4-11 s.n. San Mateo Approximately two miles from coast in San Bruno Mountains. Comment
  SEINET11938065  Eriogonum latifolium E. H. Graham 1931-1 6932 San Mateo Ano Nuevo Point, S of San Francisco Comment
  CAS-BOT-BC264777  Eriogonum luteolum Lewis S. Rose 1964-9-9 64073 San Mateo Emerald Lake, west of Redwood City 243 Comment
  JEPS111097  Eriogonum luteolum Zoe Ellis Chandik 1992-7-14 92 -3 San Mateo On north side of trail just inside Sunset (pedestrian) entrance of Edgewood County Park Comment
  JROH3224  Eriogonum luteolum var. luteolum A. G. Vestal 1937-7-18 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Southeast side of ridge not far from Stanford property line. Comment
  JROH3227  Eriogonum luteolum var. luteolum John H. Thomas 1964-7-3 10441 San Mateo Jasper Ridge Biological Preserve, Stanford University. Chaparral on top of ridge Comment
  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
  RSA766375  Eriogonum nudum var. auriculatum D. D. Keck 1931-10-5 1278 San Mateo Between Woodside and Crystal Springs Lake. Comment
  CAS-BOT-BC304068  Eriophyllum confertiflorum Evelina Cannon No date on label s.n. San Mateo Crystal Springs Comment
  JROH699  Eriophyllum confertiflorum var. confertiflorum D. E. Breedlove 1971-5-31 19353 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  CAS-BOT-BC301270  Eriophyllum lanatum var. arachnoideum W. R. Dudley 1895-9-15 s.n. San Mateo Santa Cruz Mountain Peninsula. El Corte Madera road down to Lumber Camp Comment
  JROH720  Eriophyllum lanatum var. arachnoideum John H. Thomas 1962-7-15 9912 San Mateo Jasper Ridge Biological Preserve, Stanford University; near northern end of ridge Comment
  RSA116761  Eriophyllum lanatum var. arachnoideum W. R. Dudley 1893-5-27 s.n. San Mateo Foot of Summit Springs Road, near Woodside. Santa Cruz Mountain Peninsula Comment
  UC1377806  Eriophyllum latilobum W. J. Dress 1951-5-30 3274 San Mateo roadside bank in canyon sw of San Mateo Comment
Read comments
Mar 6 2006
  CAS-BOT-BC301982  Eriophyllum staechadifolium Robt. T. Orr 1961-6-27 s.n. San Mateo Ano [Ano] Nuevo Island Comment
  JEPS34470  Eriophyllum staechadifolium L. R. Heckard and Rimo Bacigalupi 1963-7-2 1359 San Mateo trail to (nw slope) Montara Peak (above old county road) 304 Comment
  RSA17884  Eriophyllum staechadifolium C. B. Wolf 1927-6-29 s.n. San Mateo Pescadero. Comment
  CAS-BOT-BC301970  Eriophyllum staechadifolium John H. Thomas 1975-1-12 17672 San Mateo Thornton Beach State Park in NW part of county Comment
  CAS-BOT-BC301978  Eriophyllum staechadifolium Elizabeth McClintock 1967-6-24 s.n. San Mateo San Bruno Mountain. Radio Road Comment
  RSA302653  Eriophyllum staechadifolium Jim Shevock 1970-11-25 551 San Mateo Along Hwy 1 9 Comment
  RSA479800  Eriophyllum staechadifolium Jerry A. Powell 1972-3-10 909 San Mateo Mt. San Bruno Comment
  CHSC56969  Eriophyllum staechadifolium var. staechadifolium Steven Triano 1988-5-24 189 San Mateo Ca 100 ft s of Gazos Creek and 2.4 mi s of Pigeon Point Light Station. 6 Comment
  JROH2590  Erodium botrys John H. Thomas 1967-5-10 12838 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2591  Erodium botrys John H. Thomas 1967-6-1 12948 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET12182126  Erodium botrys G. A. McCallum 1933-1 s.n. San Mateo near Woodside Comment
  UC1167714  Eryngium armatum Peter H. Raven 1957-6-24 10971 San Mateo Pebble Beach Comment
  JROH5639  Eryngium jepsonii John Rawlings 2014-6-7 1262 San Mateo Jasper Ridge Biological Preserve, Stanford University. 100 yards west from Escobar Gate, 20 yards north of road F. 161 Comment
  CAS-BOT-BC54823  Erysimum franciscanum A. D. E. Elmer 1903-5-1 4480 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC54825  Erysimum franciscanum Alice Eastwood 1913-2-22 2455 San Mateo San Bruno Hills. 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-BC54845  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
  JEPS53557  Erysimum franciscanum William S. Cooper 1925-5-28 16 San Mateo Salada Comment
  POM176893  Erysimum franciscanum Roxana S. Ferris 1921-4-7 s.n. San Mateo San Bruno Mountains 183 Comment
  POM210208  Erysimum franciscanum H. E. Parks 1930-3-10 401 San Mateo Spring Valley Lakes Comment
  RSA101865  Erysimum franciscanum G. B. Rossbach 1939-6-4 915 San Mateo West slope Buriburi Ridge, between Crystal Springs and San Andreas Lakes 122 Comment
  RSA102110  Erysimum franciscanum G. B. Rossbach 1955-3-12 566 San Mateo SE end of Buriburi Ridge, NW side of San Mateo Creek 76 Comment
  RSA102129  Erysimum franciscanum G. B. Rossbach 1955-3-12 568 San Mateo Inland and SE of Devil s Slide, W edge of Montata Mountains 122 Comment
  SJSU8507  Erysimum franciscanum P. F. Canziani 1979-3-2 San Mateo SW of intersection of Hillside Blvd & Chestnut Ave., San Bruno Mt Comment
  UC1034704  Erysimum franciscanum G. B. Rossbach 1955-3-12 566 San Mateo se end Buriburi Ridge (nw side of creek, steep serpentine slope); San Mateo Creek 76 Comment
  UC1034726  Erysimum franciscanum G. B. and R. P. Rossbach 1939-3 900 a&b San Mateo 2.5 mi n Montara (near Devil's Slide, steep granitic slope above sea) Comment
  UC1034936  Erysimum franciscanum G. B. and R. P. Rossbach 1939-5-12 913 San Mateo dunes just back of high sea-cliff 1 1/2 mi n Sharp Park (Salada Beach) Comment
  UC10561  Erysimum franciscanum J. Burtt Davy 1895-4-20 1035 San Mateo Lake San Andreas Comment
  UC1211924  Erysimum franciscanum John H. Weiler and B. Hirano 1961-3-22 6138 San Mateo steep bluff along Hwy 1 0.2 mi s Devil's Slide (n of Moss Beach) Comment
  PGM187  Erysimum franciscanum Vern Yadon 1968-4-5 San Mateo Pigeon Pt Lighthouse Highway 1, Pigeon Pt Lighthouse just S of Comment
  PGM188  Erysimum franciscanum Vern Yadon 1968-4-5 San Mateo Pigeon Pt Lighthouse area Highway 1, Pigeon Pt Lighthouse just S of Comment
  RSA0001946  Erysimum franciscanum G. B. Rossbach 1938-5-18 837 San Mateo East side of Crystal Springs Lake. 107 Comment
  SD234189  Erythranthe guttata Virginia Pinkus Ryder 1964-2-21 78 San Mateo Near Davenport. 3 Comment
  JEPS51735  Eschscholzia californica Dr. L. M. Newlon 1921-1 238 San Mateo sea shore from Salada to Mussel Comment
  JROH3096  Eschscholzia californica John H. Thomas 1969-4-12 14881 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  RSA445604  Eschscholzia californica subsp. californica E. A. Purer 1933-7-27 5384 San Mateo Two miles south of Pigeon Point Comment
  CAS-BOT-BC110570  Eschscholzia crocea T. S. Brandegee May 22 s.n. San Mateo La Honda. Comment
  CAS-BOT-BC202732  Euonymus occidentalis M. Bourell; R. Patterson 1994-4-3 5297 San Mateo At northeast end of Hazelnut Trail near Weiler Ranch Road Trail. San Pedro Valley County Park 60 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
  CAS-BOT-BC202758  Euonymus occidentalis Alice Eastwood 1933-5-31 11843 San Mateo Butano Canon [Canyon] Comment
  RSA116766  Euonymus occidentalis Elmer I. Applegate 1895-5-11 s.n. San Mateo Near Searsville Dam; Santa Cruz Mountain Peninsula. Comment
  RSA3091  Euonymus occidentalis C. B. Wolf 1931-8-21 1203 San Mateo 0.5 mi above east base of La Honda Grade; Santa Cruz Mts. 244 Comment
  RSA130686  Euphorbia crenulata Roxana S. Ferris 1921-3-20 2114 San Mateo Pescadero - La Honda Road. 183 Comment
  UCD142398  Euphorbia helioscopia J. H. Thomas 1959-7-8 8014 San Mateo About 1/4 mile west of center of Pescadero on road toward the coast. Comment
  RSA181179  Euphorbia lathyris P. H. Raven 1964-9-13 19672 San Mateo Near Tunitas, north of San Gregorio. Comment
  JROH1949  Euphorbia maculata Carol Zabel 2005-8-10 55 San Mateo Jasper Ridge Biological Preserve, Stanford University; along road near entrance to large parking lot near field station Comment
  JROH1951  Euphorbia serpillifolia subsp. serpillifolia John H. Thomas 1959-8-22 8083 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1973  Euphorbia spathulata John H. Thomas 1971-4-10 15755 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA499127  Euphorbia spathulata L. S. Rose 1935-5-4 35151 San Mateo Burlingame. Comment
  CAS-BOT-BC310620  Eurybia radulina A. D. E. Elmer 1903-7-1 4973 San Mateo Portola Comment
  UC1536887  Eurybia radulina G. H. True Jr. 1937-7-31 829 San Mateo near, (Alpine Road near Skyline Blvd.) Skyline Blvd. 182 Comment
  JROH530  Eurybia radulina Carol Zabel 2005-8-1 54 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC310720  Euthamia occidentalis James McMurphy 1905-10-29 s.n. San Mateo Above Portola Comment
  CAS-BOT-BC310722  Euthamia occidentalis John H. Thomas 1976-10-7 18393 San Mateo Along coast highway #1, 0.6 miles north of northern most road to Pigeon Pt. Lighthouse. About 4.2 miles almost due south of Pescadero 30 Comment
  CAS-BOT-BC183625  Festuca arundinacea Peter Rubtzoff 1977-6-21 9061 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction and northwest of Fog Forest. Comment
  JROH5154  Festuca arundinacea John Hunter Thomas 1982-6-7 21034 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC278350  Festuca californica subsp. californica L. R. A. 1902-5-11 2461 San Mateo Crystal Springs Comment
  CAS-BOT-BC278352  Festuca californica subsp. californica W. R. Dudley 1900-3-16 s.n. San Mateo Santa Cruz Mountain Peninsula. By road to Kings Mt. Comment
  CAS-BOT-BC278349  Festuca californica subsp. californica W. R. Dudley 1899-4-23 s.n. San Mateo Santa Cruz Mountain Peninsula. Permanente Creek, north Branch Comment
  RSA100977  Festuca idahoensis G. Oberlander 1950-5-6 875 San Mateo Sawyer Ridge, San Francisco Watershed Reserve. Comment
  JROH5506  Festuca octoflora John H. Thomas 1966-4-20 11561 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5282  Festuca perennis John H. Thomas 1973-6-15 16851 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5284  Festuca perennis John Hunter Thomas 1980-5-1 19911 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5287  Festuca perennis John Hunter Thomas 1986-5-1 23992 San Mateo Jasper Ridge Biological Preserve, Stanford University. Low flow crossing. Comment
  RSA218035  Filago gallica Walter Knight, I. Knight 1967-5-16 s.n. San Mateo Randolph Ave., south San Francisco Comment
  JROH246  Foeniculum vulgare Le Roy Abrams 1901-10-1 1025 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Comment
  UCR253346  Foeniculum vulgare A. C. Sanders 2014-8-3 41231 San Mateo San Francisco Bay, South San Francisco, San Francisco Bay Trail in vicinity of S Airport Drive, Utah Ave., and Haskins Way, between Hwy 101 and San Francisco Bay 6 Comment
  RSA95475  Fragaria californica L. S. Rose 1954-5-17 54044 San Mateo Kings Mtn. 610 Comment
  CHSC1548  Fragaria chiloensis G. Herrington 1930-5-1 San Mateo Moss Beach. Comment
  RSA523866  Fragaria chiloensis Chris E. True 1937-3-31 616 San Mateo Salada Beach. 610 Comment
  UCD113240  Fragaria vesca Janet Jacob 1951-4-1 62 San Mateo 7 miles east of Pescadero. Comment
  HSC23974  Fragaria vesca Mary Katherine Wicksten 1971-7-8 160 San Mateo Huddart Park, Madrone Area Comment
  CAS-BOT-BC457514  Fragaria vesca subsp. californica Josephine D. Randall 1907-6-8 33 / San Mateo Portola Valley, Santa Cruz Pennisula, Comment
  CAS-BOT-BC457516  Fragaria vesca subsp. californica W. R. Dudley 1901-3-23 s.n. San Mateo Coal Mine Canyon, Santa Cruz Pennisula Comment
  CAS-BOT-BC457525  Fragaria vesca subsp. californica Elizabeth McClintock 1967-9-24 s.n. San Mateo Crocker Avenue, San Bruno Mountain Comment
  CAS-BOT-BC53602  Frangula californica subsp. tomentella Alice Eastwood 1922-5-30 11333 San Mateo Crystal Springs lakes Comment
  JROH3570  Frangula californica subsp. tomentella D. E. Breedlove 1971-5-31 19345 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH3571  Frangula californica subsp. tomentella John H. Thomas 1974-5-29 17409 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC211602  Frankenia salina John Hunter Thomas 1949-10-16 1142 San Mateo Along ocean bluff, just north of outlet of San Gregorio Creek 60 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
  UC19157  Frankenia salina J. Burtt Davy 1893-6-17 808 San Mateo Belmont Comment
  UC143429  Fritillaria affinis C. F. Baker 1902-3-30 430 San Mateo Crystal Springs Lake; Pacific Coast, Crystal Springs Lake Comment
  POM196512  Fritillaria affinis Lucile Roush 1917-3-31 s.n. San Mateo Santa Cruz Mountain peninsula; Sierra Morena Comment
  RSA278613  Fritillaria affinis Lyman Benson 1935-5-5 6528 San Mateo Lake Searsville 152 Comment
  RSA3930  Fritillaria affinis G. C. Kimber, Lucile Roush 1918-4-11 s.n. San Mateo Santa Cruz Mountain peninsula, San Francisquito Creek at foot of Jasper Ridge Comment
  RSA794663  Fritillaria affinis Lyman Benson 1930-4-27 2099 San Mateo Stanford University, Corte Madera Creek drainage area Comment
  UCSB18941  Fritillaria affinis Muirhead, M. 1964-4-17 San Mateo Crocker Estate, Hillsborough, California 91 Comment
  UCSB42578  Fritillaria affinis Nixon, E. 1980-4-3 San Mateo 1 mile down Sawyer Camp road, at Millbrae exit off of Fwy. 280 Comment
  SD39122  Fritillaria liliacea McCallum, Marie Cummings 1933-4-12 2148 San Mateo Open hills near Skyline Boulevard, above La Honda. Comment
  JEPS83069  Galium Roy E. Buck, Randall A. Morgan, James A. West 1983-7-15 434 San Mateo along crest of ridge w gravel road (ca 3.2 km nw of Pilarcitos Dam and 2.4 km wsw of San Andreas Dam); San Francisco Watershed Reserve, Fifield Ridge 388 Comment
  RSA130681  Galium aparine Harry A. Dutton 1900-3-25 s.n. San Mateo The Santa Cruz Peninsula Comment
  UCD166156  Galium californicum Jack Major; M. Forde and S. Bamberg 1962-4-3 741 a San Mateo Above Coastways Ranch on Finney Creek. (Exact location unknown. Coordinates estimated by label maker.) Comment
  JROH3795  Galium murale John H. Thomas 1974-4-25 17217 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA124751  Galium murale John H. Thomas 1958-5-10 7138 San Mateo Jasper Ridge. About 5 miles SW of Palo Alto. 152 Comment
  JROH3808  Galium porrigens var. porrigens John H. Thomas 1968-3-17 14185 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC303463  Gamochaeta ustulata John H. Thomas 1961-5-12 9325 San Mateo San Bruno Mt in N part of county 396 Comment
  JROH801  Gamochaeta ustulata John Hunter Thomas 1986-5-6 24004 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR240616  Gamochaeta ustulata T. B. Salvato, Lia V. D. Mansfield, Joel-Henry J. Mansfield 2008-6-14 3516 San Mateo Central Coast, Pebble Beach State Beach, 12.5 mi north of Santa Cruz Co. line, along Hwy 1, Pacific Coast Hwy, 1.65 mi south of road to Pesacadero and 16 mi south of Half Moon Bay 11 Comment
  JROH792  Gamochaeta ustulata John Hunter Thomas 1979-5-18 19555 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC194567  Garrya elliptica W. R. Dudley 1895-2-10 s.n. San Mateo San Mateo Ravine by Road above Pt. of Rocks Comment
  CAS-BOT-BC194569  Garrya elliptica Lewis S. Rose 1962-2-5 62001 San Mateo San Andreas Lake 152 Comment
  POM132460  Garrya elliptica A. D. E. Elmer 1903-02 4469 San Mateo Portola. Comment
  SD12562  Garrya elliptica Gill D. Demaree 1930-2-1 San Mateo Road to Los Trancos Woods Comment
  UC21591  Garrya elliptica J. Burtt Davy Jun 21 1893-Jun 23 1893 San Mateo Pilarcitos Lake and Canyon Comment
  JROH5191  Gastridium phleoides John Hunter Thomas 1982-7-3 21064 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5854  Gastridium phleoides John Rawlings 2004-5-15 0905 San Mateo Jasper Ridge Biological Preserve, Stanford University; mowed fire-truck turn-around south side of Rd F, west of Escobar Gate and east of Tr. 15 165 Comment
  RSA18344  Gastridium phleoides C. B. Wolf 1927-7-14 597 San Mateo Summit of Kings Mountain Rd. Comment
  CAS-BOT-BC278713  Gastridium ventricosum Elizabeth McClintock; Paul Reeberg 1989-5-23 s.n. San Mateo San Bruno Mountain. Wax Myrtle Ravine 121 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
  CAS-BOT-BC219150  Genista monspessulana Walter Knight; Irja Knight 1967-5-16 s.n. San Mateo Brisbane Comment
  JROH2018  Genista monspessulana John Hunter Thomas 1987-4-30 24213 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2621  Geranium dissectum John Hunter Thomas 1992-5-14 25225 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near boat ramp. Comment
  CAS-BOT-BC166727  Geranium dissectum Peter Rubtzoff 1977-6-7 9028 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  JROH5790  Geranium purpureum Toni Corelli 2016-4-25 1250 San Mateo Jasper Ridge Biological Preserve, Stanford University; outside exclosure Rd. G 121 Comment
  UC106853  Gilia achilleifolia subsp. achilleifolia C. F. Baker 1902-4-6 467 San Mateo Pacific Coast, Crystal Springs Lake Crystal Springs Lake; Pacific Coast, Crystal Springs Lake Comment
  JROH3156  Gilia achilleifolia subsp. multicaulis John H. Thomas 1977-4-19 18533 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3159  Gilia achilleifolia subsp. multicaulis John Hunter Thomas 1987-4-30 24221 San Mateo Jasper Ridge Biological Preserve, Stanford University; below Searsville Dam Comment
  UC535968  Gilia clivorum Elmer I. Applegate 1895-5-11 343 San Mateo near Searsville; near Searsville Comment
  CAS-BOT-BC123797  Gilia mellita Edward Lee Greene 1886-6-23 s.n. San Mateo Belmont Comment
  CAS-BOT-BC303679  Glebionis coronaria Elizabeth McClintock; Paul Reeberg 1988-4-14 s.n. San Mateo San Bruno Mts. N of school at Lower Guadalupe Canyon Parkway Comment
  CAS-BOT-BC303687  Glebionis coronaria Walter & Irja Knight 1967-6-6 2071 San Mateo San Bruno Mt. Point San Bruno Comment
  RSA15291  Gnaphalium luteoalbum C. B. Wolf 1927-4-3 259 San Mateo 1 mile above La Honda. Comment
  RSA101023  Gnaphalium palustre G. Oberlander 1949-7-30 322 San Mateo San Andreas Lake, San Francisco Watershed Reserve. Comment
  UCR121580  Gnaphalium stramineum George K. Helmkamp, E. A. Helmkamp 1999-6-28 5015 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-BC304507  Grindelia hirsutula Phillip C. Wheeler 1965-6-19 s.n. San Mateo San Bruno Mountain. Brisbane Lagoon Comment
  CAS-BOT-BC304523  Grindelia hirsutula H. E. McMinn 1922-6-22 252 San Mateo Near Half Moon Bay (?). Coast road to Half Moon Bay Comment
  CAS-BOT-BC304530  Grindelia hirsutula L. R. A. 1909-8-2 4249 San Mateo Pebble Beach, Pescadero Comment
  CAS-BOT-BC304532  Grindelia hirsutula W. R. Dudley 1897-10-10 s.n. San Mateo At Pilar Point Comment
  CAS-BOT-BC304538  Grindelia hirsutula John Thomas Howell 1933-5-26 11348 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC304550  Grindelia hirsutula W. R. Dudley 1899-5-14 s.n. San Mateo Santa Cruz Peninsula. By road from Pilarcitos to San Andreas Comment
  CAS-BOT-BC304552  Grindelia hirsutula W. R. Dudley 1899-5-14 s.n. San Mateo Santa Cruz Peninsula. By road from Pilarcitos to San Andreas Comment
  CAS-BOT-BC304558  Grindelia hirsutula Walter Knight; Irja Knight 1964-3-15 s.n. San Mateo San Bruno Mountain. Colma Canyon, south ridge Comment
  JEPS78925  Grindelia hirsutula Rimo Bacigalupi with G. T. Robbins 1954-6-18 4550 San Mateo road bank along Alpine Road 1/4 mi w Skyline Boulevard 701 Comment
  POM359076  Grindelia hirsutula L. S. Rose 1948-11-29 48243 San Mateo Mills Field. Comment
  CAS-BOT-BC304547  Grindelia hirsutula Alice Eastwood; John Thomas Howell 1939-7-9 7437 San Mateo Hills sw. of Daly City Comment
  JROH815  Grindelia hirsutula John H. Thomas 1970-4-4 15541 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH826  Grindelia hirsutula John Hunter Thomas 1987-5-26 24316 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
  RSA0116908  Grindelia stricta var. angustifolia Lyman Benson 1945-7-29 11839 San Mateo Bayshore Highway at San Carlos. 3 Comment
  CDA6158  Grindelia stricta var. platyphylla T. C. Fuller 1960-6-24 5020 San Mateo Highway 1, 7 miles north of Princeton. 0 Comment
  UCD132574  Grindelia stricta var. platyphylla Julian A. Steyermark 1932-10-21 s.n. San Mateo Pigeon Point. Comment
  RSA121240  Hainardia cylindrica A. Hormay 1932-5-29 17 San Mateo San Bruno. Comment
  JROH441  Hedera helix Ann Lambrecht 2008-2-6 42 San Mateo Jasper Ridge Biological Preserve, Stanford University; on Trail 2 above San Francisquito Creek Comment
  CAS-BOT-BC309537  Helenium puberulum Josephine D. Randall 1907-7-24 71 San Mateo Santa Cruz Peninsula. Near Crystal Springs Lake Comment
  CAS-BOT-BC309542  Helenium puberulum A. D. E. Elmer 1903-7-1 4972 San Mateo Crystal Springs Lake Comment
  JROH836  Helenium puberulum John H. Thomas 1974-6-27 17449 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low flow crossing, below Searsville Dam Comment
  JROH838  Helenium puberulum John Hunter Thomas 1977-6-16 18744 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1537048  Helenium puberulum Gordon H. True Jr. 1937-7-23 805 San Mateo along Skyline Blvd. to Salada Beach Road 304 Comment
  CAS-BOT-BC309526  Helenium puberulum Elizabeth McClintock; Paul Reeberg 1989-4-23 s.n. San Mateo San Bruno Mountains. Colma Creek 121 Comment
  CAS-BOT-BC309540  Helenium puberulum Lewis S. Rose 1941-9-13 41439 San Mateo San Mateo Canyon 30 Comment
  JEPS35430  Helenium puberulum James G. Daly 239 San Mateo San Gregorio watershed Santa Cruz Mts., San Gregorio Comment
  RSA0034607  Helenium puberulum I. L. Wiggins 1929-7-4 3791 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  RSA70702  Helenium puberulum L. S. Rose 1949-8-10 49157 San Mateo Skyline Blvd, W of Tanforan 122 Comment
  CAS-BOT-BC224053  Helianthemum scoparium Fred Hemphill 1973-5-6 779 San Mateo San Carlos. North of Malabar Rd. and Melendy Dr. 207 Comment
  SD39698  Heliotropium curassavicum Edith A. Purer 1932-7-18 4010 San Mateo Half Moon Bay Comment
  SD39700  Heliotropium curassavicum Edith A. Purer 1933-7-27 5360 San Mateo Pigeon Point Comment
  CAS-BOT-BC305930  Helminthotheca echioides R. E. Frenkel 1963-12-7 331 San Mateo San Francisco Water District, Whiting Ridge Road, ca. 0.9 mile south-west of Spring Valley Road Comment
  JROH1167  Helminthotheca echioides John H. Thomas 1970-7-5 15668 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC314927  Hemizonia congesta subsp. luzulifolia Ned Cahill 1974-4-29 188 San Mateo Near the intersection of Canada and Edgewood Roads about 3 mi. westward from Redwood City Comment
  JEPS40999  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-9-5 64070 San Mateo w Redwood City; Emerald Lake 243 Comment
  JROH873  Hemizonia congesta subsp. luzulifolia John Hunter Thomas 1988-8-21 24562 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH875  Hemizonia congesta subsp. luzulifolia John Hunter Thomas 1991-8-4 25078 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  LA203705  Hemizonia congesta subsp. luzulifolia LeRoy Abrams; 1914-7-15 5140 San Mateo Crystal Springs Comment
  LA27292  Hemizonia congesta subsp. luzulifolia Lewis S. Rose; 1941-10-24 41470 San Mateo Belmont 6 Comment
  UC398631  Hemizonia congesta subsp. luzulifolia L. R. Abrams 1914-7-15 5140 San Mateo Crystal Springs Comment
  CAS-BOT-BC313455  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1908-8-1 s.n. San Mateo Summit Crystal Springs-Belmont Road Comment
  CAS-BOT-BC314929  Hemizonia congesta subsp. luzulifolia J. I. McMurphy 1906-5-8 s.n. San Mateo East of Crystal Lakes, Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC314934  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1907-8-6 s.n. San Mateo Low ground east of causeway, Crystal Springs Lakes Comment
  CAS-BOT-BC314943  Hemizonia congesta subsp. luzulifolia H. M. Hall 1916-7-13 10225 San Mateo Near Crystal Springs Lake Comment
  UC193426  Hemizonia congesta subsp. luzulifolia H. M. Hall 1916-7-14 10232 San Mateo Hills west of Milbrae, near summit of road from Milbrae west to the lakes Comment
  POM55223  Hemizonia corymbosa subsp. corymbosa A. D. E. Elmer 1903-07 4963 San Mateo Crystal Springs Lake Comment
  POM360312  Hemizonia luzulifolia E. A. Purer 1933-8-4 18258 San Mateo Bayshore Hwy. Comment
  JROH248  Heracleum maximum John H. Thomas 1961-5-5 9210 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below Searsville Dam 76 Comment
  UCSB18565  Heracleum maximum Schulte, John 1963-4-28 San Mateo Sausal Creek, Jasper Ridge Area, 3 miles SW of Stanford, between Santa Clara Valley and main front of Santa Cruz Mountains 121 Comment
  JROH883  Hesperevax sparsiflora var. sparsiflora John H. Thomas 1967-11-5 14127 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC403865  Hesperocnide tenella Walter Knight; Irja Knight 1964-5-30 615 San Mateo San Bruno Mountain. Colma Canyon Comment
  JROH4229  Hesperocnide tenella John H. Thomas 1974-5-19 17384 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA187311  Hesperocnide tenella John H. Thomas 10307 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  RSA112350  Hesperolinon congestum L. R. Abrams 1910-5-7 s.n. San Mateo Crystal Springs Lake. Comment
  RSA30460  Hesperolinon congestum A. A. Heller 1907-5-28 8572 San Mateo Near Crystal Springs. Comment
Read comments
May 14 2015
  JEPS121586  Hesperolinon disjunctum Ryan E. O'Dell 2013-6-13 San Mateo About 1.35 airline mile S of Black Mountain peak. Comment
Read comments
May 8 2019
  JROH2932  Hesperolinon micranthum John Hunter Thomas 1981-5-19 20614 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2937  Hesperolinon micranthum John Hunter Thomas 1986-6-9 24091 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM139231  Hesperolinon micranthum A. D. E. Elmer 1903-05 4422 San Mateo Crystal Springs Lake. Comment
  RSA151712  Hesperolinon micranthum H. K. Sharsmith 1947-6-3 3975 San Mateo Above Redwood City, outer South Coast Ranges. 152 Comment
  CAS-BOT-BC311097  Heterotheca oregona var. scaberrima W. R. Dudley 1896-10-11 s.n. San Mateo Santa Cruz Mountain Peninsula. On railroad track between Menlo Park and Palo Alto Comment
  JEPS49087  Heterotheca sessiliflora subsp. bolanderi Lewis S. Rose 1966-8-20 66087 San Mateo summit San Bruno Mt. 365 Comment
  CAS-BOT-BC308944  Heterotheca sessiliflora subsp. bolanderi Elizabeth McClintock; Paul Reeberg 1988-4-26 s.n. San Mateo Guadalupe Hills Comment
  UC1577655  Heterotheca sessiliflora subsp. echioides N. K. Carlson 1935-6-21 77 San Mateo Ridge between Slate and Oil Creek; Santa Cruz Quadrangle Comment
  CAS-BOT-BC310762  Heterotheca sessiliflora subsp. echioides E. A. McGregor 1906-9-23 s.n. San Mateo Corte de Madera Comment
  CAS-BOT-BC310768  Heterotheca sessiliflora subsp. echioides Phillip C. Wheeler 1965-7-8 s.n. San Mateo San Bruno Mountain. 3 mile ridge Comment
  UCR70818  Heuchera micrantha var. diversifolia David D. Keck 1932-6-1 1794 San Mateo Coast Range; Santa Cruz Mtns, above Woodside on La Honda road 366 Comment
  UC765037  Heuchera micrantha var. erubescens R. F. Hoover 1940-9-1 4546 San Mateo La Honda summit La Honda Comment
  RSA0063144  Heuchera micrantha var. hartwegii A. D. E. Elmer 1903-07 4762 San Mateo Pilarcitos Stone Dam. Comment
  SEINET191646  Heuchera micrantha var. pacifica L. S. Rose 1941-7-2 41289 San Mateo Kings Mt 600 Comment
  UCR141450  Heuchera pilosissima June Latting 1975-6-8 s.n. San Mateo Santa Cruz Mtns., Pescasero Road, 8 miles east of highway Calif. Hwy 1 122 Comment
  UC1137088  Hierochloe occidentalis August L. Hormay 1932-3-6 San Mateo near Pescadero (redwood belt); Blumequist Mill Comment
  CAS-BOT-BC55433  Hirschfeldia incana Ira L. Wiggins 1975-8-5 22174 San Mateo Bed of San Francisquito Creek, ca. 100 m above Pope Street bridge, both sides of Santa Clara--San Mateo line. Comment
  CAS-BOT-BC55435  Hirschfeldia incana Elizabeth McClintock; Carlyn Halde; Walter Knight; Walter Knight 1963-6-23 s.n. San Mateo San Bruno Mountains. Lower part of Colma Canyon. Comment
  JROH5205  Holcus lanatus Le Roy Abrams 1900-10-1 1014 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville. Comment
  UC38606  Holcus lanatus Michener and Bioletti 1893-6-15 120 San Mateo Baden Comment
  SEINET10591390  Holcus lanatus Delzie Demaree 1933-6-12 Demaree 10374 San Mateo Bader Station. S. San Francisco. Small bottom. Comment
  POM222903  Holodiscus discolor S. S. Berry 1909-05 s.n. San Mateo Los Trancos Creek. 46 Comment
  RSA185013  Hordeum brachyantherum L. S. Rose 1963-4-27 63001 San Mateo Skyline Blvd, open hills west of San Mateo. 91 Comment
  UCD85414  Hordeum brachyantherum Lewis S. Rose 1963-4-27 63001 San Mateo Skyline Blvd. West of San Mateo. 91 Comment
  CAS-BOT-BC284675  Hordeum brachyantherum subsp. brachyantherum A. D. E. Elmer 1903-6-1 4851 San Mateo Crystal Springs Lake Comment
  SEINET10610437  Hordeum brachyantherum subsp. brachyantherum Delzie Demaree 1932-5-8 Demaree 9106 San Mateo Spring Valley Road. Comment
  CAS-BOT-BC289531  Hordeum brachyantherum subsp. californicum Ira L. Wiggins 1950-5-20 12352 A San Mateo Pescadero Beach Comment
  CAS-BOT-BC289534  Hordeum brachyantherum subsp. californicum Cherie Wetzel 1969-6-20 881 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  CAS-BOT-BC289536  Hordeum brachyantherum subsp. californicum Elizabeth McClintock; Paul Reeberg 1989-5-31 s.n. San Mateo Near seep above Robertson School, Daly City, San Bruno Mountains 91 Comment
  SEINET10927335  Hordeum jubatum Lewis S. Rose 1932-5-3 Rose 32226 San Mateo Redwood City. Comment
  JROH5243  Hordeum marinum subsp. gussoneanum John Hunter Thomas 1981-5-14 20579 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM205100  Hordeum murinum subsp. glaucum Copeland 1903-6-9 3334 San Mateo Montara Point. Comment
  JEPS71235  Hordeum murinum subsp. leporinum William S. Cooper 1924-11-19 35 San Mateo Ano Nuevo Point Comment
  JROH5262  Hordeum murinum subsp. leporinum John Rawlings 2013-4-10 1129 San Mateo Jasper Ridge Biological Preserve, Stanford University. Where the brick path ends at the visitor parking lot of the Sun Field Station. 119 Comment
  UC1128147  Horkelia californica H. S. Yates 1935-2-3 5008 San Mateo 1/2 mi se Pigeon Pt.; Santa Cruz quad. 30 Comment
  UCD113402  Horkelia californica Lewis S. Rose 1966-8-20 66086 San Mateo San Bruno Mountain, head of Colma Canyon. 205 Comment
  UCR19821  Horkelia cuneata C. S. Life 1923-1 s.n. San Mateo San Francisco 135 Comment
  JEPS47190  Horkelia cuneata subsp. cuneata E. K. Crum 1930-4-27 710 San Mateo near Pescadero (n of Davenport); Santa Cruz Coast Comment
  JEPS101839  Horkelia cuneata subsp. sericea Dean W. Taylor 2000-4-25 17450 San Mateo 1.5 air mi E of Half Moon Bay; Frenchmans Creek, Apanilio Creek 160 Comment
  SEINET6755152  Horkelia cuneata subsp. sericea A. A. Heller 1906-6-8 8374 San Mateo Near Ocean View, San Francisco. ( on the Lake Merced side of the Ocean Shore tracks) Comment
  CAS-BOT-BC143925  Horkelia cuneata var. sericea W. R. Dudley 1901-5-11 s.n. San Mateo Near Colma Comment
  UCD77838  Hosackia stipularis Robert E. Preston 2001-6-1 1538 San Mateo Ca. 7 mi nw of Boulder Creek. 658 Comment
  UCD128235  Hydrocotyle sibthorpioides W. J. Bevan 1951-5-4 s.n. San Mateo at 24 Belford Way, San Mateo. Comment
  CAS-BOT-BC400967  Hypericum anagalloides Philip Wheeler 1965-6-16 s.n. San Mateo San Bruno Mountains. In Colma Canyon Comment
  CAS-BOT-BC411331  Hypericum canadense Vern Yadon 1994-7-8 s.n. San Mateo East of highway 1, common in two places, several acres. South of gazon Cr. and north of Ano Nuevo. Southern San Mateo County Comment
  JEPS117923  Hypericum canariense John Dittes, Josephine Guardino 2007-6-30 1457 San Mateo undesignated section of Punta Del Ano Nuevo Land Grant east side of Highway 1 on slope south and east of (Central Coast; Ano Nuevo State Reserve, coastal terrace ca. 2.4 air-mile SE of Pidgeon Point Lighthouse); Gazos Creek 21 Comment
  JROH914  Hypochaeris glabra John H. Thomas 1966-4-22 11573 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD133374  Hypochaeris glabra J. Skoss 1948-8-22 111 -A San Mateo San Vincente Canyon, near Montara. Comment
  CAS-BOT-BC311485  Hypochaeris radicata A. D. E. Elmer 1903-4-1 4861 San Mateo Lake San Andreas Comment
  JROH930  Hypochaeris radicata John H. Thomas 1974-5-19 17383 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH941  Hypochaeris radicata John Hunter Thomas 1989-5-9 24716 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM55230  Hypochaeris radicata A. D. E. Elmer 1903-04 4861 San Mateo Lake San Andreas Comment
  POM361225  Hypochaeris radicata E. A. Purer 1932-7-18 4005 San Mateo Half Moon Bay Comment
  UCSC007759  Hypochaeris radicata Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  OBI33307  Ilex aquifolium Marcia Meissner 1965-5-7 5 San Mateo Growing in garden at 139 Scenic Dr., Redwood City Comment
  JROH5615  Iris douglasiana John Rawlings 2014-4-11 1218 San Mateo Jasper Ridge Biological Preserve, Stanford University; confluence of Bear and San Francisquito creeks just east of the terminus of Trail 20 growing at edge of the steep bank of San Francisquito Creek. 82 Comment
  SD38480  Iris douglasiana Edith A. Purer 1933-5-5 3633 San Mateo Alpine Road. Comment
  UC4282  Iris douglasiana J. Burtt Davy 1895-4-20 1021 San Mateo Millbrae Comment
  CAS-BOT-BC133673  Iris longipetala Javier Penalosa 1963-3-30 2707 San Mateo North of Randolph Drive at Hillside Blvd. in SSF 91 Comment
  POM168926  Iris macrosiphon E. B. Copeland 1903-5-9 3052 San Mateo Big Basin of Pescadero Creek. Comment
  POM193638  Iris missouriensis Le Roy Abrams 1902-4-13 2337 San Mateo San Andreas Lake. Comment
  RSA366831  Iris missouriensis Lewis S. Rose 1938-4-1 38111 San Mateo San Bruno Hills, above Visitacion Valley 61 Comment
  JROH4436  Iris pseudacorus John Hunter Thomas 1990-6-7 24865 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of lake at boat ramp near bridge over the 2 halves of Searsville Lake. Comment
  CAS-BOT-BC57732  Isoetes howellii J McMurphy 1906-7-28 s.n. San Mateo Coal Mine Ridge - near Portola Comment
  CAS-BOT-BC112617  Isolepis cernua Ira L. Wiggins; Roxana S. Ferris 1939-8-2 9290 San Mateo Ano Nuevo Point Comment
  JEPS91027  Isolepis cernua Dean W. Taylor 1991-5-20 11793 San Mateo Santa Cruz Mountains, Pescadero Creek 0.3 mi s ofrom the creek mouth, w of Highway 1 Pescadero Creek; Santa Cruz Mountains, Pescadero Creek 9 Comment
  POM259793  Isolepis cernua I. L. Wiggins, Roxana S. Ferris 1939-8-2 9290 San Mateo Ano Nuevo Point Comment
  RSA135648  Isolepis cernua H. L. Mason 1921-6-2 s.n. San Mateo Pebble Beach near Pescadero. Comment
  SEINET7589112 Image available Isolepis cernua E. B. Copeland 1903-6-15 3315 San Mateo Montara Point. Comment
  SEINET7589113 Image available Isolepis cernua E. B. Copeland 1903-5-24 3258 San Mateo Montara Point. Comment
  CAS-BOT-BC101874  Juglans J. H. Thomas 1954-4-21 3943 San Mateo San Francisquito Creek near SPRR tracks between Palo Alto and Menlo Park Comment
  JROH2775  Juglans hindsii John H. Thomas 1980-11-18 20174 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC652559  Juncus ambiguus Ira L. Wiggins and Roxana S. Ferris 1939-8-2 9291 San Mateo Ano Nuevo Point Comment
  SEINET11788499  Juncus bolanderi Unknown 1932-1 9111 San Mateo above Spring Valley Lakes Comment
  HSC23972  Juncus bufonius Mary Katherine Wicksten 1971-6-24 108 San Mateo Huddart Park, by check-in station Comment
  RSA796693  Juncus bufonius Peter Rubtzoff 1977-6-21 9066 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  JROH5659  Juncus bufonius var. bufonius John Rawlings 2014-5-23 1270 San Mateo Jasper Ridge Biological Preserve, Stanford University; up-slope from boat dock (aka Searsville Lab Landing). 104 Comment
  SJSU15771  Juncus bufonius var. bufonius Toni Corelli 2010-6-1 632 San Mateo Wavecrest, west of Highway 1 in Half Moon Bay. 25 Comment
  SJSU16038  Juncus bufonius var. bufonius Toni Corelli, John Rawlings 2016-4-29 1765 San Mateo Cascade Field along Cascade Cr. Trail, Ano Nuevo State Park 21 Comment
  UC1101044  Juncus bufonius var. congestus Herbert L. Mason 1949-7-7 14029 San Mateo Mouth of Gazos Creek Comment
  JROH4459  Juncus bufonius var. occidentalis John H. Thomas 1961-4-29 9179 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4495  Juncus occidentalis John Hunter Thomas 1987-5-26 24314 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC142114  Juncus occidentalis Dr. E. B. Copeland Mar 1903 3341 San Mateo Searsville Comment
  CAS-BOT-BC227623  Juncus occidentalis Peter Rubtzoff; Elizabeth McClintock; Paul Reeberg 1989-6-3 s.n. San Mateo San Bruno Mountains. Shearwater 22 Comment
  JEPS128399  Juncus patens Adam C. Schneider 2013-5-17 129 San Mateo Crystal Springs Reservoir. Comment
  UC842781  Juncus phaeocephalus L. R. Abrams and I. L. Wiggins 1939-6-3 429 San Mateo Ano Nuevo Point Comment
  JROH4509  Juncus xiphioides John H. Thomas 1974-4-25 17195 San Mateo Jasper Ridge Biological Preserve, Stanford University. Top of ridge Comment
  JROH4046  Kickxia spuria John Hunter Thomas 1981-9-24 20753 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4049  Kickxia spuria John Hunter Thomas 1982-11-8 21257 A San Mateo Jasper Ridge Biological Preserve, Stanford University; near low flow crossing Comment
  JROH4050  Kickxia spuria Carol Zabel 1989-8-26 31 San Mateo Jasper Ridge Biological Preserve, Stanford University; just inside main gate on Sand Hill Road Comment
  JROH4051  Kickxia spuria John Hunter Thomas 1990-7-28 24937 San Mateo Jasper Ridge Biological Preserve, Stanford University; near main JRBP gate Comment
  JROH5264  Koeleria macrantha John H. Thomas unspecified s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5267  Koeleria macrantha John H. Thomas 1967-5-12 12868 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU1653  Koeleria macrantha D. R. Fincher 1955-5-29 San Mateo corner of Canada Road & Edgewood Road, San Mateo 503 Comment
  JROH949  Lactuca serriola John H. Thomas 1964-11-29 10535 San Mateo Jasper Ridge Biological Preserve, Stanford University; W end of Searsville Dam Comment
  UCD133509  Lactuca virosa John Thomas Howell 1954-9-8 30108 San Mateo Skyline Blvd. at San Andreas Lake, 2 miles west of San Bruno. Comment
  CAS-BOT-BC341627  Lagophylla ramosissima Linda Fox 1969-6-20 1000 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  CAS-BOT-BC341631  Lagophylla ramosissima Margaret A. Barry 1937-6-22 168 San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC341634  Lagophylla ramosissima L. R. Abrams 1920-6-1 7493 San Mateo Santa Cruz Mountain Peninsula. Back of Redwood City Comment
  JEPS20287  Lagophylla ramosissima Lewis S. Rose 1955-9-19 55176 San Mateo 7 mi w of Saratoga; Skyline Boulevard 685 Comment
  JROH957  Lagophylla ramosissima John H. Thomas 1958-5-10 7173 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2781  Lamium amplexicaule John Hunter Thomas 1991-4-6 24973 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  UC1537552  Lamium amplexicaule Gordon H. True Jr. 1937-3-31 617 San Mateo near Salada Beach 60 Comment
  UC570744  Lamium amplexicaule Herbert L. Mason 1927-4-24 3703 San Mateo mouth of San Gregorio Creek Comment
  POM283266  Lamium amplexicaule Lyman Benson 1930-4-17 2078 San Mateo Stanford University, foothills. Upper Sonoran. 122 Comment
  CAS-BOT-BC337879  Lapsana communis L. R. Abrams 1927-7-20 12179 San Mateo Santa Cruz Mountain Peninsula. La Honda Creek, about 1 mi above La Honda Comment
  CAS-BOT-BC339079  Lasthenia californica A. A. Heller 1907-4-25 8465 San Mateo San Bruno Hills Comment
  CAS-BOT-BC339087  Lasthenia californica Kenton L. Chambers 1956-6-20 1046 San Mateo Pebble Beach near Pescadero Point Comment
  POM52845  Lasthenia californica A. D. E. Elmer 1903-04 4738 San Mateo San Bruno Hills Comment
  RSA152139  Lasthenia californica John H. Thomas 1961-5-7 9251 San Mateo San Bruno Mountain, in northern part of county. 305 Comment
  CAS-BOT-BC339055  Lasthenia californica Paul Arnaud 1941-4-17 s.n. San Mateo Redwood City, hills, Jefferson Avenue Comment
  CAS-BOT-BC339089  Lasthenia californica James McMurphy 1907-5-19 s.n. San Mateo Near Lower Pond, Coal Mine Ridge Comment
  UC1073373  Lasthenia californica subsp. californica George B. Rossbach 1955-3-26 517 San Mateo n of radio tower; San Bruno Mountain 335 Comment
  CAS-BOT-BC324427  Lasthenia californica subsp. macrantha W. R. Dudley 1896-4-10 s.n. San Mateo Pebble Beach Pasture, Pescadero, Santa Cruz Peninsula Comment
  CAS-BOT-BC324429  Lasthenia californica subsp. macrantha H. L. Mason 1921-6-1 s.n. San Mateo Pebble Beach near Pescadero Comment
  SJSU15805  Lasthenia californica subsp. macrantha Toni Corelli 2015-5-3 1191 San Mateo Montara State Beach west of Hwy. 1 and north of La Costanera restaurant in Montara, California. 11 Comment
  SEINET11811268  Lasthenia chrysostoma M. T. Doutt 1931-1 414 San Mateo Skyline Blvd, W of Hillbrae Comment
  CAS-BOT-BC355497  Lasthenia glaberrima W. R. Dudley 1906-5-22 s.n. San Mateo Largest Pond, Coal Mine Ridge Comment
  JEPS18330  Lasthenia glabrata subsp. glabrata Edw. L. Greene 1886-5-11 San Mateo Belmont Comment
  RSA51288  Lasthenia glabrata subsp. glabrata Peter H. Raven 1950-4-10 1615 San Mateo Hwy 101 at Redwood City. 91 Comment
  CAS-BOT-BC355543  Lasthenia glabrata var. glabrata David D. Keck 1932-4-29 1452 San Mateo Redwood City Comment
  CAS-BOT-BC360402  Lasthenia glabrata var. glabrata Ned Cahill 1974-4-18 130 San Mateo Near intersection of Canada and Edgewood Roads, about 3 mi westward from Redwood City. Comment
  JROH5938  Lasthenia gracilis John Rawlings 2017-2-27 1960 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Rd F in Serpentine prairie midway between oak island and trail 9 intersection 183 Comment
  SJSU15210  Lasthenia gracilis Teri Barry 2010-4-23 San Mateo Jasper Ridge Biological Preserve northwest of Trail 9 near the intersection of Road F and Trail 9. 189 Comment
  SJSU653  Lasthenia gracilis A. W. Jacobs 1941-4-20 San Mateo Jasper Ridge above Searsville L Comment
  CAS-BOT-BC368183  Lasthenia minor V. F. Hesse 1959-4-16 2589 San Mateo Pigeon Point 7 Comment
  SJSU11831  Lasthenia minor T. J. Sammis 1974-5-2 San Mateo Pescadero Rd 2.2 mi W of Pescadero Comment
  JROH2029  Lathyrus latifolius Ann Lambrecht 2006-8-23 27 San Mateo Jasper Ridge Biological Preserve, Stanford University; downstream from low-flow crossing about 50 m Comment
  SEINET956312  Lathyrus vestitus Ira L. Wiggins 1925-1 1661 San Mateo On King Mountain Road three fourths of a mile above Woodside in the old cut over redwood. Comment
  POM87741  Lathyrus vestitus subsp. bolanderi L. R. Abrams 1902-4-13 2342 San Mateo Crystal Springs Lake. Comment
  RSA152255  Lathyrus vestitus subsp. vestitus I. L. Wiggins 1925-04 1661 San Mateo On Kings Mtn Road three fourths of a mile above Woodside. Comment
  RSA0110304  Lavatera arborea John H. Thomas 1959-4-4 7660 San Mateo At Pescadero. 61 Comment
  RSA187501  Lavatera cretica John H. Thomas 1954-5-28 4241 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco. 30 Comment
  UCR122978  Lavatera cretica George K. Helmkamp, E. A. Helmkamp 2001-6-2 6799 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
  CAS-BOT-BC323153  Layia chrysanthemoides David D. Keck 1932-5-6 1487 San Mateo Near Skyline Boulevard, west of Millbrae Highlands. Comment
  CAS-BOT-BC323160  Layia chrysanthemoides David D. Keck 1932-4-29 1450 San Mateo Redwood City. Comment
  CAS-BOT-BC323162  Layia chrysanthemoides J McMurphy 1909-6-13 s.n. San Mateo San Bruno HIlls Comment
  UC935673  Layia chrysanthemoides David D. Keck 1932-4-29 1450 San Mateo Redwood City Comment
  JEPS39180  Layia gaillardioides W. L. Jepson 1914-3-22 5735 San Mateo Redwood City Comment
  CAS-BOT-BC321089  Layia gaillardioides James I. McMurphy 1909-5-25 s.n. San Mateo Fields above Pulpit Rock, San Mateo Canyon Comment
  CAS-BOT-BC321099  Layia gaillardioides David D. Keck 1932-5-6 1483 San Mateo Hills W of Millbrae Highlands, just E of Skyline Blvd.. Comment
  CAS-BOT-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
  JROH984  Layia hieracioides John H. Thomas 1966-4-22 11568 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC583132  Layia hieracioides Lewis S. Rose 1936-5-28 36309 San Mateo w of Redwood City; Emerald Lake 91 Comment
  UC828937  Layia hieracioides Lewis S. Rose 1933-6-9 33218 San Mateo 3 mi w of San Bruno Comment
  CAS-BOT-BC327463  Layia hieracioides V. F. Hesse 1952-5-12 936 San Mateo Seabluff 7 miles N of Davenport 30 Comment
  POM298199  Layia hieracioides D. D. Keck 1933-5-11 2306 San Mateo Skyline Blvd, E of Salada, northern San Mateo County. Comment
  UC204134  Layia platyglossa A. D. E. Elmer 1903-4-1 5022 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC382216  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
  JROH997  Layia platyglossa John H. Thomas 1974-4-13 17153 San Mateo Jasper Ridge Biological Preserve, Stanford University; serpentine, top of ridge Comment
  SEINET10879172  Layia platyglossa John T. Middleton 1937-4-10 Middleton s.n. San Mateo San Mateo Co., Ca. Comment
  RSA18086  Lemna gibba Carl B. Wolf 1929-4-29 3662 San Mateo Small reservoir, 1 mile S of Portola, San Mateo Comment
  CAS-BOT-BC534548  Lemna gibba W. R. Dudley 1898-1-5 s.n. San Mateo Santa Cruz Peninsula, between Pescadero and Swanton Comment
  CAS-BOT-BC527274  Lemna minuta Roxana S. Ferris 1920-10-1 2100 San Mateo 1st mud lake, Coal Mine Ridge, Santa Cruz Mountain Peninsula Comment
  RSA135760  Leontodon leysseri John H. Thomas 1956-7-2 6040 San Mateo Along Graham Hill Road, 1.9 miles from Felton RR Station. 183 Comment
  UC25890  Lepechinia calycina J. Burtt Davy 1893-6-17 813 San Mateo Belmont Comment
  UC518036  Lepechinia calycina Lewis S. Rose 1933-6-9 33225 San Mateo Belmont Comment
  UCD23295  Lepechinia calycina Alan T. Whittemore 1976-5-29 115 San Mateo San Francisco Fish and Game Refuge. East side of Lower Crystal Springs Lake, on Sawyer's Camp Road. 94 Comment
  CAS-BOT-BC221528  Lepechinia calycina L. R. Abrams 1909-5-26 4244 San Mateo Santa Cruz Peninsula. Canon [Canyon] between Dingee Park and Crystal Lake Comment
  RSA176593  Lepidium didymum John H. Thomas 1961-8-27 9686 San Mateo Colma; open sandy field near intersection of El Camino Real and F Street 46 Comment
  UCD115700  Lepidium latifolium John Thomas Howell 1978-7-18 53189 San Mateo Airport Sheraton, Airport Blvd., Burlingame. Comment
  JEPS121445  Lepidium nitidum Adam C. Schneider with C. Matt Guilliams 2013-2-2 13 San Mateo Crystal Springs Reservoir Comment
  JROH1546  Lepidium nitidum John H. Thomas 1977-2-20 18468 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1550  Lepidium nitidum John Hunter Thomas 1982-1-3 20793 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1551  Lepidium nitidum John Hunter Thomas 1983-2-21 21283 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSB17149  Lepidium nitidum Schulte, John 1963-4-28 San Mateo Jurassic dike, Jasper Ridge; 3 miles southwest of Stanford campus; between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  CAS-BOT-BC12751  Lepidium oxycarpum Le Roy Abrams 1902-5-16 2277 San Mateo Cooley's Landing. Comment
  CAS-BOT-BC12746  Lepidium oxycarpum David D. Keck 1932-3-24 1401 San Mateo Redwood City. At border of San Francisco Bay. Comment
  RSA10321  Leptosiphon androsaceus H. A. Barker 1926-4-25 547 San Mateo Kings Mt. Comment
  RSA18460  Leptosiphon androsaceus C. B. Wolf 1927-6-29 547 -A San Mateo Along coast south of Pebble Beach near Pescadero. Comment
  SD38816  Leptosiphon liniflorus Marie Cummings 1933-5-23 3718 San Mateo Spring Valley Comment
  SD214610  Leptosiphon parviflorus Carl B. Wolf 1929-5-25 3727 San Mateo Pebble Beach so. of Pescadero Comment
  RSA0103656  Leptosiphon parviflorus H. L. Mason 1935-5-21 8315 San Mateo Pebble Beach, Pescadero. Comment
  JROH3195  Leptosiphon pygmaeus subsp. continentalis H. J. Dengler 1963-5-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU15218  Leptosiphon rosaceus Toni Corelli 2010-5-10 626 San Mateo Pillar Point Air Force Station 28 Comment
Read comments
Jan 23 2015
  RSA0103659  Leptosiphon rosaceus E. B. Copeland 1903-5-24 3260 San Mateo Montara Point. Comment
  RSA0103661  Leptosiphon rosaceus P. H. Raven 1950-4-30 1954 San Mateo Montara. 9 Comment
  RSA285921  Leptospermum laevigatum T. C. Fuller 1969-5-15 18476 San Mateo Hillslope opposite the welfare farm, Hwy 92 to San Mateo, E limits of half Moon Bay. Comment
  CAS-BOT-BC324065  Lessingia arachnoidea L. S. Rose 1941-9-6 41434 San Mateo San Mateo Canyon 90 Comment
  CAS-BOT-BC325499  Lessingia arachnoidea W. Spence 1960-7-2 555 San Mateo Along Route 5, Crystal Springs Lake Comment
  LA47382  Lessingia arachnoidea L. S. Rose; 1941-9-6 41434 San Mateo San Mateo Canyon 90.0 Comment
  RSA181929  Lessingia arachnoidea Willard Spence 1960-7-2 555 San Mateo Route 5, Crystal Springs Lake Comment
  UC1280011  Lessingia arachnoidea Peter H. Raven 1957-9-1 11301 San Mateo along Skyline Boulevard at Woodside Road Comment
  JROH1025  Lessingia glandulifera var. glandulifera John Hunter Thomas 1986-6-9 24095 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1006  Lessingia glandulifera var. glandulifera G. H. Mallory 1919-7-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; south end of Jasper Ridge Comment
  CAS-BOT-BC324170  Lessingia hololeuca Cherie Wetzel 1969-7-28 998 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  CAS-BOT-BC324172  Lessingia hololeuca Cherie Wetzel 1969-6-20 871 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  CAS-BOT-BC324182  Lessingia hololeuca Lewis S. Rose 1964-9-5 64072 San Mateo Emerald Lake, W of Redwood City 152 Comment
  SEINET7063127  Lessingia hololeuca A. G. Vestal 1963-7-12 s.n. San Mateo Jasper Ridge. UTM Zone 10, 568418mE, 4140415mN. (WGS84/NAD83). 174 Comment
  UC73895  Lessingia hololeuca J. Burtt Davy Jun 21 1893-Jun 23 1893 San Mateo Pilarcitos Lake and Canyon Comment
  SEINET7883357 Image available Lessingia hololeuca var. arachnoidea L. S. Rose 1941-1 41434 San Mateo San Mateo Canyon Comment
  JROH1038  Leucanthemum vulgare John Rawlings 2012-6-19 1135 San Mateo Jasper Ridge Biological Preserve, Stanford University. South bank of dry stream bed of Bear Creek at Serpentine. 84 Comment
  CAS-BOT-BC342093  Leucanthemum vulgare Robert S. Cox, Jr. 1946-8-10 s.n. San Mateo Summit of Santa Cruz Mountains (Cahil [Cahill] Ridge) along State Highway 5, near road to Half Moon Bay Comment
  JEPS71207  Leymus X vancouverensis William S. Cooper 1919-7-22 207 San Mateo Ano Nuevo Pt. Comment
  CAS-BOT-BC283696  Leymus condensatus David L. Morgan 1955-8-1 s.n. San Mateo 1 mile N of Santa Cruz County line on Highway 1 22 Comment
  JEPS71202  Leymus triticoides William S. Cooper 1925-5-28 7 San Mateo Salada Comment
  RSA108327  Leymus triticoides Frank W. Gould 1941-5-10 1292 San Mateo 1 mile north of Pigeon Point lighthouse 15 Comment
  JEPS67912  Lilaea scilloides L. R. Heckard and J. H. Thomas 1972-4-16 2895 San Mateo ca 1.5 mi s Pulgas Water Temple (sw of Upper Crystal Springs Reservoir, along Old Canada road (private)) 121 Comment
  CAS-BOT-BC130792  Lilium pardalinum H. L. Mason 1920-6-25 s.n. San Mateo Pescadero Creek Comment
  CAS-BOT-BC45871  Limnanthes douglasii var. sulphurea J. Ed. McClellan; Bonnie McClellan 1968-4-13 n.s San Mateo Butano Creek Canyon 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
  HSC97165  Limnanthes macounii T. W. Henrich 2004-4-21 San Mateo Moss Beach; cultivated field on Cabrillo Ranch property, adjacent to Hwy 1, and immediately east of Half Moon Bay Airport. Comment
  RSA700355  Limnanthes macounii T. W, Henrich 2004-4-21 s.n. San Mateo Moss Beach. Adjacent to Hwy 1 and immediately east of Half Moon Bay Airport, on Cabrillo Ranch property. Comment
  UC2046439  Limonium ramosissimum subsp. provinciale Whitney Thornton 2011-8-19 s.n. San Mateo Seal Slough Comment
  CAS-BOT-BC238360  Limosella aquatica J. Clausen 1939-7-1 1744 San Mateo Ano Nuevo Point Comment
  SEINET8729325 Image available Linanthus androsaceus subsp. croceus Herbert L. Mason 1935-1 8315 San Mateo Pebble Beach, Pescadero Comment
  SEINET3696412 Image available Linanthus filipes Lewis S. Rose 1932-4-10 32140 San Mateo Redwood City. Comment
  JEPS83043  Linanthus liniflorus Roy E. Buck, Randall A. Morgan, James A. West 1983-7-15 431 San Mateo ca 0.5 km ne Pilarcitos Dam (and 7.5 km nw of the intersection of Calif Hwys 35 and 92, near crest of Cahill Ridge, w of gravel rd, overlooking Pilarcitos Lake); San Francisco Watershed Reserve 289 Comment
  CDA6307  Linaria purpurea T. C. Fuller 1968-10-3 17659 San Mateo Christie s Crescent Nursery, Half Moon Bay. 0 Comment
  CAS-BOT-BC389735  Lithocarpus densiflorus J. Lovelle 1973-7-29 26 San Mateo Pescadero Cr. Comment
  UC1135271  Lithocarpus densiflorus C. M. Belshaw 1935-1-25 1470 San Mateo 2.5 mi nw Sierra Moreno Peak; Santa Cruz Quad. 609 Comment
  POM142561  Lithophragma affine subsp. affine C. F. Baker 1902-4-4 443 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC436225  Lithophragma heterophyllum D. E. Breedlove 1974-5-13 36209 San Mateo San Pedro Valley Park, Pacifica 152 Comment
  POM142569  Lithophragma heterophyllum C. F. Baker 1902-4-6 651 San Mateo Crystal Springs Lake. Comment
  UC402461  Lithophragma heterophyllum Milo S. Baker May 1904 San Mateo near Burlingame; near Burlingame Comment
  UC858160  Lithophragma heterophyllum Lewis S. Rose 1939-4-12 39062 San Mateo Crystal Springs Lake 152 Comment
  JROH3902  Lithophragma heterophyllum Brenda Butner and Toni Corelli 1990-3-30 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 3 Comment
  CAS-BOT-BC60214  Lobularia maritima Elizabeth McClintock 1967-9-24 s.n. San Mateo San Bruno Mountain. Crocker Avenue. Comment
  CAS-BOT-BC342468  Logfia gallica J. H. Thomas 1961-5-14 9388 San Mateo Southern part of San Francisco Watershed Reserve near Roth Estate 152 Comment
  CAS-BOT-BC342462  Logfia gallica D. E. Breedlove 1974-5-13 36225 San Mateo San Pedro Valley Park, Pacifica 152 Comment
  CAS-BOT-BC283220  Lolium multiflorum Paul Reeberg 1989-6-18 s.n. San Mateo San Bruno Mountains. In area N of PG&E Marsh, Guadalupe Hills 60 Comment
  CAS-BOT-BC283233  Lolium multiflorum Ned Cahill 1974-4-29 176 San Mateo Near the intersection of Canada and Edgewood Rds, about 3 miles W from Redwood City Comment
  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
  RSA6410  Lolium perenne D. D. Keck 1932-5-6 1474 San Mateo Millbrae Highlands Comment
  JEPS127851  Lomatium caruifolium var. caruifolium Adam C. Schneider with C. Matt Guilliams 2013-3-9 36 San Mateo Comment
  JROH266  Lomatium dasycarpum subsp. dasycarpum John Hunter Thomas 1980-5-1 19910 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1301125  Lomatium dasycarpum subsp. dasycarpum Helen K. Sharsmith 1963-2-16 5145 San Mateo summit San Bruno Mt.; San Francisco Bay Region, San Bruno Mt. 396 Comment
  HSC21554  Lomatium dasycarpum subsp. dasycarpum L. S. Rose 1965-4-22 65027 San Mateo San Bruno Mountain, S of parking lot 579 Comment
  RSA63021  Lomatium dasycarpum subsp. dasycarpum L. S. Rose 1950-5-20 50137 San Mateo Emerald Lake region, hills w. of Redwood City. 244 Comment
  JROH277  Lomatium macrocarpum John H. Thomas 1974-4-13 17149 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH282  Lomatium utriculatum John Hunter Thomas 1981-5-25 20640 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC202775  Lomatium utriculatum A. D. E. Elmer April, 1903 4794 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC240607  Lonicera hispidula Margaret A. Barry 1937-6-24 182 San Mateo Coal Mine Ridge Comment
  JROH1666  Lonicera hispidula John Hunter Thomas 1992-7-24 25382 San Mateo Jasper Ridge Biological Preserve, Stanford University; causeway and boat launching ramp Comment
  UC1125236  Lonicera hispidula var. vacillans G. E. Sindel 1935-7-23 296 San Mateo 3/4 mi s Alpine Creek; Santa Cruz Quadrangle Comment
  UC139353  Lonicera hispidula var. vacillans C. F. Baker 1901-9-2 1533 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC164679  Lonicera involucrata var. ledebourii Peter Rubtzoff 1980-12-11 9635 San Mateo San Bruno Mountain. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction, East Fork Colma Creek Canyon. 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
  CAS-BOT-BC243974  Lonicera involucrata var. ledebourii W. R. Dudley 1894-3-28 s.n. San Mateo Canyon near Lobitos Creek Comment
  RSA18355  Lonicera involucrata var. ledebourii C. B. Wolf 1929-5-25 3733 San Mateo 2 miles from Pescadero on Alpine Creek. Comment
  CAS-BOT-BC243965  Lonicera involucrata var. ledebourii Walter Knight 1964-9-14 834 San Mateo Ridge between Peak Mt. and Highway 1 Comment
  CAS-BOT-BC198596  Lotus R. F. Hoover 1964-9-10 9290 San Mateo Devil's Slide, between Pedro Point and Montara Comment
  JEPS91401  Lotus benthamii Dean W. Taylor 1989-8-1 10412 San Mateo Montara Mountain, saddle between North Peak and Montara Knob 518 Comment
  UC1537095  Lotus benthamii Gordon H. True Jr. 1936-4-15 386 San Mateo canyon between San Gregorio and Pescasdero 30 Comment
  UC15579  Lotus formosissimus Alice Eastwood Apr 1896 San Mateo between Crystal Springs and Millbrae Comment
  JEPS101841  Lotus junceus var. biolettii Dean W. Taylor 2000-4-25 17439 San Mateo along dirt road 1 mi W of North Peak, Montara Mountain 411 Comment
Read comments
Oct 18 2006
  UC15648  Lotus micranthus J. Burtt Davy Jun 21 1893-Jun 23 1893 1156 San Mateo Pilarcitos Lake and Canyon Comment
  UC311102  Lotus scoparius A. D. E. Elmer 1903-6-1 4447 San Mateo Belmont Comment
  SEINET12151372  Lotus subpinnatus Unknown 1932-1 9137 San Mateo Sky Line Drive Comment
  JROH3078  Ludwigia peploides subsp. peploides John Hunter Thomas 1981-7-12 20706 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  IRVC28817  Lupinus P. W. Rundel 1962-7-27 1110 San Mateo Lake Tahoe, Emerald Bay. Sierra Nevada Ranges Comment
  SEINET10488359  Lupinus affinis Charles F. Baker 1902-4-6 Baker 473 San Mateo Crystal springs lake. Colonies frequent along banks and grassy slopes, Especially near borders of thickets Comment
  CAS-BOT-BC195793  Lupinus albifrons var. albifrons Charles Piper Smith 1948-6-22 48497 San Mateo Highway 5 - junction Pagemill Road, 0.5 miles north Comment
  CAS-BOT-BC195817  Lupinus albifrons var. albifrons Josephine D. Randall 1907-7-23 199 San Mateo Near Crystal Springs Lake Comment
  CAS-BOT-BC195819  Lupinus albifrons var. albifrons A. D. E. Elmer 1903-5-1 4643 San Mateo Belmont Comment
  CAS-BOT-BC196110  Lupinus albifrons var. collinus Walter Knight; Irja Knight 1964-3-15 580 San Mateo Colma Canyon 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-BC196434  Lupinus arboreus W. R. Dudley 1893-5-17 s.n. San Mateo Above pass between Spring Valley Reservoir and Millbrae Comment
  RSA0065264  Lupinus arboreus Daisie Huang 2006-8-7 06080702 San Mateo South of Half Moon Bay, Hwy 1. 46 Comment
  UC1129348  Lupinus arboreus G. E. Sindel 1935-8-15 333 San Mateo 1/2 mi n Palomares; Sata Cruz Quadrangle Comment
  SEINET10488460  Lupinus arboreus Didley 1906-6-10 DIDLEY s.n. San Mateo Santa cruz mountain peninsula. By road, s cabil ridge Comment
  SEINET10488488  Lupinus arboreus Thomas 1967-5-2 Thomas 12787 San Mateo San bruno mountain. Ca 0.25 mile up market street from new school in canyon. Shrubby Comment
  UCSC007761  Lupinus arboreus Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  RSA10285  Lupinus arboreus var. arboreus H. A. Barker 1927-5-14 664 San Mateo North of Half Moon Bay. Comment
  JEPS91323  Lupinus arboreus var. eximius Dean W. Taylor 1992-3-19 12337 San Mateo in saddle between San Pedro Mountain and North Peak, near BM 924 Montara Mountain; ; Montara Mountain, in saddle between San Pedro Mountain and North Peak, near BM 924 274 Comment
  UC1601763  Lupinus arboreus var. eximius P. B. Kennedy May, 1917 San Mateo Spring Valley Water Co. Comment
  JROH5695  Lupinus bicolor John Rawlings 2015-3-31 1415 San Mateo Jasper Ridge Biological Preserve, Stanford University. In old quarry off of Trail 12 77 Comment
  HSC43288  Lupinus bicolor Dunn 1946-5-16 2596 San Mateo 1 block N of Sloat Blvd. at Vale Ave. Comment
  SEINET12154472  Lupinus bicolor Unknown 1932-1 9116 San Mateo Half Moon Bay Comment
  SEINET11071887 Image available Lupinus densiflorus A. A. Heller 1907-5-23 8561 San Mateo Back of San Mateo on the Half Moon Bay road Comment
  SEINET12154504  Lupinus densiflorus E. A. Purer 1933-1 5512 San Mateo along Skyline Drive Comment
  POM257513  Lupinus densiflorus var. aureus Carl B. Wolf 1929-5-17 3712 San Mateo Alpine road east of Skyline Blvd. 305 Comment
  UC201950  Lupinus formosus Inez Ray Smith 1915-5-27 723 San Mateo Redwood Comment
  RSA15310  Lupinus latifolius subsp. latifolius Carl B. Wolf 1927-4-3 280 San Mateo 1 1/2 miles above east base of La Honda grade, Santa Cruz Mountains. Comment
  UC75237  Lupinus latifolius var. latifolius C. F. Baker Apr 1903 1929 San Mateo Crystal Springs Lake Comment
  JROH2125  Lupinus luteolus H. & R. Dengler 1958-6-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; 200' due north of point where Corte Madera Cr. enters the preserve Comment
  UC201917  Lupinus microcarpus var. densiflorus A. D. E. Elmer June, 1903 4413 San Mateo Lake San Andreas Comment
  CAS-BOT-BC8455  Lupinus microcarpus var. densiflorus W. R. Dudley 1894-3-26 s.n. San Mateo West of San Mateo Comment
  JROH2138  Lupinus nanus John Hunter Thomas 1983-4-7 21334 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  UC201931  Lupinus nanus Inez Ray Smith San Mateo Crystal Spring Lakes Comment
  SEINET12154596  Lupinus nanus M. T. Doutt 1931-1 s.n. San Mateo Skyline Blvd, W of Hillbrae Comment
  SEINET10490156  Lupinus nanus subsp. latifolius Charles Piper Smith 1948-4-23 Smith 48137 San Mateo Hwy 1, moss peach p.o. Comment
  POM226876  Lupinus polycarpus L. R. Abrams 5094 San Mateo Menlo Heights Comment
  SEINET10486141  Lupinus polycarpus William R. Dudley 1894-4-11 Dudley UMO 180410 San Mateo Near Menlo Park Reservoir. Comment
  POM11080  Lupinus succulentus A. D. E. Elmer 1903-04 5021 San Mateo Portola. Comment
  POM276524  Lupinus succulentus Lyman D. Benson 1930-4-27 2077 San Mateo Stanford University. 122 Comment
  RSA181297  Lupinus succulentus John H. Thomas 1965-4-13 10565 San Mateo Along El Camino Real in San Carlos. Comment
  SEINET12154824  Lupinus succulentus Unknown 1932-1 8978 San Mateo Los Ticiness woods Comment
  SD60214  Lupinus vallicola subsp. apricus L. R. Abrams 1926-4-19 San Mateo Junction of Los Trancos & San Francisquito Creek Comment
  SEINET10870826  Lupinus vallicola subsp. apricus Charles Piper Smith 1946-3-26 Smith 46118 San Mateo Woodside, 2.3 m N. Comment
  OBI19314  Lupinus variicolor Robert F. Hoover 1964-4-10 8683 San Mateo Hill just S of Pedro Valley Comment
  RSA15311  Luzula comosa Carl B. Wolf 1927-4-3 281 San Mateo 1 1/2 miles above east base of La Honda grade, Santa Cruz Mountains. Comment
  JROH4525  Luzula comosa var. comosa John H. Thomas 1967-4-20 12712 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC441370  Luzula subsessilis John H. Thomas 1965-4-29 10611 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  CAS-BOT-BC441372  Luzula subsessilis George Oberlander 1950-4-16 639 San Mateo San Andreas Lake Comment
  JROH3369  Lysimachia arvensis John Hunter Thomas 1986-4-20 19086 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2952  Lythrum hyssopifolia John Hunter Thomas 1981-7-12 20688 San Mateo Jasper Ridge Biological Preserve, Stanford University; near boat dock Comment
  SFV2436  Lythrum hyssopifolia J. Turner, F. M. Ball 1962-7-7 s. n. San Mateo Highway 1 about 10 miles north of Santa Cruz County line. Drainage ditch beside road. 30 Comment
  JROH2954  Lythrum hyssopifolia John H. Thomas 1967-6-1 12955 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA0011329  Lythrum hyssopifolia Carl B. Wolf 1929-6-8 3744 San Mateo East base of La Honda Grade. Comment
  CAS-BOT-BC342588  Madia Paul Reeberg 1989-5-30 s.n. San Mateo San Bruno Mountains. Owl Canyon Comment
  CAS-BOT-BC342590  Madia Cherie Wetzel 1969-7-8 926 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  RSA133887  Madia capitata John H. Thomas 1959-8-16 8064 San Mateo About two miles southwest of Pescadero. 61 Comment
  CAS-BOT-BC343904  Madia elegans Barrett Anderson 1986-8-12 3252 San Mateo Crystal Springs Rd at Skyline Blvd. 92 Comment
  RSA407385  Madia elegans subsp. elegans Lyman Benson 1937-7-25 8470 San Mateo Lake Searsville; Mt. range: Santa Cruz; Drainage area: San Francisco Bay. 122 Comment
  POM54251  Madia elegans subsp. vernalis A. D. E. Elmer 1903-05 4662 San Mateo Alpine School House. Comment
  CAS-BOT-BC344490  Madia exigua Ned Cahill 1974-4-29 211 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  RSA124756  Madia exigua John H. Thomas 1958-5-10 7141 San Mateo Jasper Ridge. About 5 miles SW of Palo Alto. 152 Comment
  CAS-BOT-BC344488  Madia exigua W. R. Dudley 1899-5-14 s.n. San Mateo Santa Cruz Mountain Peninsula. Ravine west of San Mateo (upper) Creek 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
  CAS-BOT-BC343339  Madia gracilis James I. McMurphy 1907-5-19 s.n. San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC343324  Madia gracilis Elizabeth McClintock; Philip C. Wheeler 1967-5-14 s.n. San Mateo San Bruno Mountain. East side of mountain, above Harold Ave., Brisbane. Near fence separating Brisbane from Crocker Estate portion of mountain Comment
  POM190265  Madia gracilis D. D. Keck 1932-4-29 1455 San Mateo Mills Field Airport, Bayshore Highway Comment
  RSA176607  Madia sativa John H. Thomas 1961-8-27 9695 San Mateo Colma; open sandy field near intersection of El Camino Real and F Street 46 Comment
  CAS-BOT-BC345117  Madia sativa David D. Keck 1932-8-11 1745 San Mateo Skyline Blvd., about 1 mi. S. of junction with Alpine Creek road, Santa Cruz Mts., Santa Clara--San Mateo Co. line 640 Comment
  CAS-BOT-BC345119  Madia sativa David D. Keck 1932-8-11 1745 San Mateo Skyline Blvd., about 1 mi. S. of junction with Alpine Creek road, Santa Cruz Mts., Santa Clara--San Mateo Co. line 640 Comment
  OBI15706  Madia sativa Lewis S. Rose 1966-8-6 66078 San Mateo San Bruno Mtn, head of Colma Cyn 213 Comment
  JROH4695  Maianthemum racemosum John H. Thomas 1964-4-19 10325 San Mateo Jasper Ridge Biological Preserve, Stanford University. Area below dam in among redwoods near creek Comment
  RSA18378  Maianthemum racemosum subsp. amplexicaule Carl B. Wolf 1927-7-1 530 San Mateo Above Emerald Lake, back of Redwood City Comment
  RSA195592  Maianthemum racemosum subsp. amplexicaule John H. Thomas 1967-5-7 12835 San Mateo Near intersections of Bean Hollow and Pescadero roads, about 0.5 mile westward from Pescadero. 61 Comment
  CAS-BOT-BC514167  Maianthemum stellatum John H. Thomas 1961-5-7 9280 San Mateo San Bruno Mountain in northern part of county Comment
  CHSC13506  Maianthemum stellatum S. Villard 1974-4-28 7 San Mateo Found on King's Mt. Rd., ca. 1.5 mi w of Mounted Patrol Grounds, Woodside. 182 Comment
  JROH4711  Maianthemum stellatum John Hunter Thomas 1978-4-28 19160 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC514169  Maianthemum stellatum Walter & Irja Knight 1964-5-4 s. n. San Mateo Colma Canyon, south ridge Comment
  SD39132  Maianthemum stellatum Edith A. Purer 1933-4-11 3634 San Mateo Between Pescadero and Pegeon Point. Comment
  UC871285  Malacothamnus davidsonii Alice Eastwood 1912-6-10 346 San Mateo Crystal Springs Comment
  UCR254721  Malus domestica Peter Rubtzoff 1975-10-24 8432 San Mateo San Francisco Bay Region, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains 220 Comment
  RSA141089  Malva nicaeensis John H. Thomas 1960-6-25 8784 -B San Mateo Redwood City, in vacant lot near Main and Stambaugh Streets Comment
  SEINET7247993  Malva nicaeensis Richard A. Dodge 1957-1 31 San Mateo Canyon in San Bruno City Limits, just south of Sneath Lane, between Junipero Serra Boulevard, and State Highway 5. 183 Comment
  JROH1898  Marah fabacea James Newman 1951-4-21 41 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake Comment
  HSC7023  Marah fabacea P. A. Murphy 1965-4-16 10 San Mateo About 5 mi. from Half Moon Bay on the Higgin's Canyon Rd. Comment
  CDA34452  Marah oregana M. Beyers, Z. Bakman, L. Feely, & D. Sozanni 2011-4-4 872 San Mateo Pacifica: San Pedro Valley County Park, along Brooks Creek Trail. 148 Comment
  CAS-BOT-BC67843  Marsilea vestita Peter H. Raven 1950-6-3 2269 San Mateo San Andreas Lake 121 Comment
  CAS-BOT-BC348194  Matricaria discoidea Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo San Bruno Mountain. Crocker Hills Comment
  UC118523  Meconella californica C. F. B. 1902-4-6 457 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC422675  Meconella californica W. R. Dudley 1894-4-4 s.n. San Mateo Santa Cruz Peninsula. Near Crystal Springs Lake Comment
  CAS-BOT-BC422685  Meconella californica Arthur Menzies 1972-4-9 s.n. San Mateo San Bruno Mountain. Buckeye Canyon south of Crocker Industrial Park. Comment
  POM149359  Meconella californica A. D. E. Elmer 1903-04 4499 San Mateo San Mateo, toward Crystal Springs Comment
  JROH2158  Medicago lupulina Ann Lambrecht 2005-8-1 18 San Mateo Jasper Ridge Biological Preserve, Stanford University; Road C just south of low-flow crossing, west side of road Comment
  JROH2175  Medicago polymorpha John Hunter Thomas 1988-6-2 24499 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC269475  Melica californica L. R. A. 1902-5-4 2407 San Mateo Woodside Comment
  JROH5305  Melica imperfecta John Hunter Thomas 1979-5-18 19556 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near green shack. Comment
  RSA135801  Melica imperfecta W. R. Dudley 1899-05 s.n. San Mateo Road from San Andreas Res. to Pilarcitos. Santa Cruz Mountain Peninsula. Comment
  CAS-BOT-BC264186  Melica subulata L. R. Abrams 1915-6-14 5560 San Mateo Kings Mountain Road, first bridge Comment
  CAS-BOT-BC264247  Melica torreyana Peter H. Raven 1950-6-3 2245 San Mateo Around San Andreas Lake Comment
  CAS-BOT-BC264249  Melica torreyana W. R. Dudley 1900-5-19 s.n. San Mateo Above La Honda, Santa Cruz Mountain Peninsula 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
  JROH5318  Melica torreyana John Hunter Thomas 1992-5-14 25233 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near boat ramp. Comment
  UCD88810  Melica torreyana Rimo Bacigalupi; Jim Roof and L. Heckard 1961-4-24 7625 San Mateo East of KRON television tower and station; on Guadalupe Valley side of the summit of San Bruno Mountain. 304 Comment
  JROH2181  Melilotus albus John Hunter Thomas 1983-6-29 22695 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2180  Melilotus albus John H. Thomas 1976-10-16 18418 San Mateo Jasper Ridge Biological Preserve, Stanford University; along or near San Francisquito Creek from the low flow crossing to the vicinity of the old fireplace ruins downstream Comment
  HSC24045  Melilotus indicus Mary Katherine Wicksten 1971-6-15 12 San Mateo Huddart Park Rd. bank near office Comment
  UC1244714  Mentha pulegium John H. Thomas 1959-8-22 8079 San Mateo about 5 mi sw Palo Alto (Jasper Ridge); Jasper Ridge 152 Comment
  JROH2806  Mentha pulegium John H. Thomas 1959-8-22 8079 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2825  Mentha pulegium John Hunter Thomas 1991-11-21 25106 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing of San Francisquito Creek Comment
  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
  RSA34832  Mercurialis annua I. L. Wiggins 1945-9-22 11194 San Mateo Cultivated fields in Pedro Valley, inland from Pedro Point. Comment
  UCD142325  Mercurialis annua T. C. Fuller 1958-10-16 1444 San Mateo Pedro Valley, E of Sanchez Adobe House, S of Linda Mar Blvd. Comment
  CAS-BOT-BC438141  Mesembryanthemum nodiflorum Malcom A. Nobs; S. Galen Smith 1949-8-27 1623 San Mateo East of Redwood City Comment
  JROH3907  Micranthes californica John Hunter Thomas 1981-4-5 20279 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek Comment
  JROH1118  Micropus californicus var. californicus John H. Thomas 1955-5-6 5004 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1129  Micropus californicus var. californicus John Hunter Thomas 1982-4-28 20872 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC348573  Micropus californicus var. californicus George Oberlander 1949-7-24 286 San Mateo San Francisco Watershed Reserve. Northern Cahill Ridge Comment
  CAS-BOT-BC348719  Microseris bigelovii Kenton L. Chambers 1956-6-20 1048 San Mateo Pebble Beach near Pescadero Point Comment
  CAS-BOT-BC349015  Microseris douglasii subsp. douglasii A. D. E. Elmer 1903-5-1 4721 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC349024  Microseris douglasii subsp. douglasii K. L. Chambers 1952-5-11 404 San Mateo 3.2 mi. s. of junction of Canada Road (from Woodside to Crystal Springs Lake), with Ralston Avenue (Belmont Road) Comment
  CAS-BOT-BC349037  Microseris douglasii subsp. douglasii Elizabeth McClintock 1978-4-24 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  CAS-BOT-BC349039  Microseris douglasii subsp. douglasii Elizabeth McClintock 1978-4-24 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  CAS-BOT-BC349144  Microseris douglasii subsp. tenella C. F. Baker 1902-5-4 756 San Mateo Woodside Comment
  CAS-BOT-BC349146  Microseris douglasii subsp. tenella H. A. Dutton 1900-3-25 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  POM87985  Microseris douglasii subsp. tenella L. R. Abrams 1902-5-4 2425 San Mateo Woodside- Serpentine Hills Comment
  UC92108  Microseris douglasii subsp. tenella T. S. Brandegee, E. L. Greene 1886-5-9 San Mateo Belmont Comment
  CAS-BOT-BC349141  Microseris douglasii subsp. tenella Kenton L. Chambers 1953-3-28 430 San Mateo Bayshore Hwy., one mi. s. of junction with Harbor Blvd., Redwood City Comment
  UC2044060  Microseris paludosa Neal Kramer 2005-5-14 CR 440 San Mateo POST Cloverdale Ranch. North end of the Mesa approx. 0.4 mi east of Lake Lucerne. Comment
  JEPS127932  Mimulus aurantiacus Adam C. Schneider 2013-5-17 184 San Mateo Crystal Springs Reservoir Comment
  SEINET12269790  Mimulus aurantiacus Unknown 1932-1 9023 San Mateo Jasper Ridge Comment
  HSC59830  Mimulus aurantiacus var. aurantiacus Clark L. Miller 1978-6-15 1 San Mateo 6 mi. S of Half Moon Bay, off Hwy. 1, on Verde Rd. 61 Comment
  JROH4068  Mimulus aurantiacus var. aurantiacus W. R. Dudley 1893-7-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lake Comment
  JROH4073  Mimulus aurantiacus var. aurantiacus John H. Thomas 1974-5-29 17405 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5857  Mimulus douglasii Ruth Porter 1989-3-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. In Vestal's exclosure Comment
  POM5170A  Mimulus douglasii C. F. Baker 1903-4-12 515 San Mateo Near San Mateo Co. Comment
  UCD164332  Mimulus guttatus Peter Rubtzoff 1976-6-30 8705 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Westernmost part of the area on a slope across fence. Comment
  JROH4088  Mimulus guttatus Herbert Dengler 1967-5-29 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; by CMCr -- E. side by trail that crosses creek to go to Tom's (Schultz). This is about 150' from S. corner of Biol. Preserve Comment
  CAS-BOT-BC388827  Minuartia douglasii A. D. E. Elmer 1903-4-1 5042 San Mateo San Bruno Hills Comment
  CAS-BOT-BC388831  Minuartia douglasii Ned Cahill 1974-4-19 148 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JEPS22487  Minuartia douglasii C. E. Durrell 1909-4-21 San Mateo Burlingame Comment
  JROH1705  Minuartia douglasii John Hunter Thomas 1982-4-28 20875 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM151741  Minuartia douglasii Edward L. Greene 1902-5-4 835 San Mateo Woodside. Comment
  CAS-BOT-BC388834  Minuartia douglasii George Oberlander 1950-4-22 750 San Mateo San Francisco Watershed Reserve. Sawyer Ridge Comment
  RSA10142  Minuartia douglasii G. Oberlander 1950-4-22 750 San Mateo Sawyer Ridge, San Francisco Watershed Reserve. Comment
  SEINET11943608  Minuartia douglasii L. S. Rose 1937-1 37249 San Mateo Burlingame hills 91 Comment
  CAS-BOT-BC214068  Monardella villosa Elsie Zeile 1909-5-20 s.n. San Mateo Burlingame Comment
  CAS-BOT-BC214175  Monardella villosa Ned Cahill 1974-5-13 253 San Mateo Near the interesection of Canada and Edgewood Roads about 3 mi westward from Redwood City Comment
  RSA218007  Monardella villosa Elizabeth McClintock, Walter, Irja Knight, Baki Kasapligil 1967-7-18 s.n. San Mateo North side of ridge road adjacent to Buckeye Canyon, San Bruno Mountain Comment
  SEINET10582383  Monardella villosa subsp. franciscana A. Graff 1993-6-14 Graff 4 San Mateo 0.4 miles down Bean Hollow Road from its intersection with Pescadero Road, along right road cut. Windy, exposed, dry, steep, rocky cuts. Locally infrequent, with Artemisia californica, Baccharis pilularis, Mimulus aurantiacus, Eriophyllum stachaedifolium, Anaphalis margaritacea, Dudleya sp., Scrophularia californica, Eriogonum sp., grasses. Comment
  SEINET10928196  Monardella villosa subsp. franciscana A. Graff 1993-6-14 Graff 6 San Mateo 0.6 miles down Bean Hollow Road from its intersection with Pescadero Road, along right road cut. Windy, exposed, dry, steep, rocky cuts. Locally infrequent, with Artemisia californica, Baccharis pilularis, Mimulus aurantiacus, Eriophyllum stachaedifolium, Anaphalis margaritacea, Dudleya sp., Scrophularia californica, Eriogonum sp., grasses. Comment
  UCD125295  Monardella villosa subsp. franciscana Botany 102 Student 1974-5-30 s.n. San Mateo west of Radio Road near Nike Base Road, San Bruno Mountain. 381 Comment
  RSA0022802  Monardella villosa subsp. subserrata E. S. Spalding 1923-8-3 s.n. San Mateo Near Pulgas Tunnel. Comment
  JROH2838  Monardella villosa subsp. villosa D. E. Breedlove 1971-5-31 19346 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  UC104640  Monardella villosa subsp. villosa Katharine Brandegee 1905-6-20 San Mateo Near Lake Pilarcitos Comment
  CAS-BOT-BC327789  Monolopia gracilens Otto Holm 1930-5-9 s.n. San Mateo Berenda Farm, near Redwood City Comment
  CAS-BOT-BC445198  Montia parvifolia H. L. Mason 1921-7-1 s.n. San Mateo Pescadero Creek Comment
  UCD163600  Morella californica Peter Rubtzoff 1980-12-11 9634 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  PGM4947  Myosotis discolor Vern Yadon 2002-5-2 San Mateo Swanton near San Mateo Co, Inland from 1st ridge Comment
  CDA28803  Myosotis latifolia D. G. Kelch 2009-6-9 9 .403 San Mateo Santa Cruz Mts.; Chert outcrop and adjacent mixed evergreen forest along Skyline Blvd ~1 km W of Skegg s Point. Comment
  RSA152078  Myosotis latifolia John H. Thomas 1962-5-12 9332 San Mateo San Bruno Mountain. 244 Comment
  CAS-BOT-BC101770  Myrica californica W. R. Dudley 1893-2-18 s.n. San Mateo near La Honda Comment
  CAS-BOT-BC101782  Myrica californica R. Bacigalupi 1922-3-1 s.n. San Mateo near lagoon at Arroyo de los Frijoles Comment
  RSA187301  Nassella pulchra John H. Thomas 1964-4-12 10311 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  UCD87668  Nassella pulchra Lewis S. Rose 1956-5-7 56071 San Mateo Skyline Blvd. W of San Mateo. 182 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
  LA206579  Navarretia squarrosa Ira L. Wiggins; 1929-7-4 3777 San Mateo 4 mi. W. of La Honda on hill road to Pescadero Beach Comment
  UC52679  Navarretia squarrosa J. Burtt Davy 1893-6-17 781 San Mateo Belmont Comment
  POM65137  Navarretia squarrosa Stewart H. Burnham 1894-9-13 7228 San Mateo Outer Coast Range near La Honda 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
  JROH2738  Nemophila menziesii var. menziesii John H. Thomas 1976-4-3 18079 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM289745  Nemophila menziesii var. menziesii Lyman Benson 1930-5-1 2067 San Mateo Stanford University. San Lorenzo Mt. Range. 91 Comment
  CAS-BOT-BC219471  Nemophila parviflora Margaret A. Barry 1937-5-15 122 San Mateo On Coal Mine Ridge Comment
  CAS-BOT-BC219474  Nemophila parviflora Alice Eastwood 1922-5-27 11325 San Mateo La Honda Comment
  CAS-BOT-BC219476  Nemophila parviflora Mrs. E. C. Sutliffe 1933-5-11 s.n. San Mateo Memorial Park, near La Honda Comment
  CAS-BOT-BC219484  Nemophila parviflora Kellogg; Brannan 1870-5-31 s.n. San Mateo Redwood Comment
  CAS-BOT-BC140435  Oemleria cerasiformis Walter Knight; Irja Knight 1965-4-4 1011 San Mateo Bitter Cherry Ravine Comment
  JROH3715  Oemleria cerasiformis John Hunter Thomas 1985-4-25 23565 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM89248  Oemleria cerasiformis Winslow s.n. San Mateo King's mt. near Palo Alto. Comment
  SJSU8083  Oemleria cerasiformis S. H. Casey 1969-5-18 261 San Mateo 0.25 SE of San Bruno Mt summit Comment
  CHSC1969  Oenanthe sarmentosa A. Goekler 1929-5-10 San Mateo Moss Beach. Comment
  SEINET12189806  Oenothera elata Unknown 1933-1 10375 San Mateo Boden Station, South san Francisco Comment
  RSA127724  Oenothera elata subsp. hookeri John H. Thomas 1959-7-8 8022 San Mateo About 1/2 mile S of Pescadero beach along the coast highway. Comment
  RSA648323  Oenothera ovata J. Doty 1969-3-27 606 San Mateo San Gregorio State Beach Park. 15 Comment
  JROH2990  Olea europaea John H. Thomas 1967-6-1 12981 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2991  Olea europaea John H. Thomas 1976-4-19 18085 San Mateo Jasper Ridge Biological Preserve, Stanford University; near dam Comment
  CAS-BOT-BC502768  Orobanche bulbosa G. F. Ferris 1917-4-14 s.n. San Mateo Coal Mine Ridge Comment
  SEINET5766933  Orobanche californica W. A. Setchell 1909-8-29 173 San Mateo Farallone City Comment
  JEPS11666  Orobanche californica subsp. californica Mrs. Clara Hunt Sep 1908 San Mateo Farallone City. Comment
  JEPS126148  Orobanche californica subsp. californica Alison Colwell with A. Sanders 2004-7-24 04 -196 San Mateo Shelter Cove, near Pacifica Comment
  JEPS19482  Orobanche californica subsp. californica Herbert L. Mason 1927-7-28 3983 San Mateo Pigeon Point. Comment
  SJSU15793  Orobanche fasciculata Toni Corelli 2010-7-8 642 San Mateo Bean Hollow State Beach along Arroyo de los Frijoles Trail 10 Comment
  SEINET12324060  Orthocarpus attenuatus E. McClintock, Knight, W.; Knight, I. 1982-1 4649 San Mateo San Bruno Mountain Comment
  RSA92815  Orthocarpus densiflorus Peter H. Raven 1950-4-16 1776 San Mateo Colma Canyon, San Bruno Mountains. 183 Comment
  RSA523837  Orthocarpus erianthus Gordon H. True Jr. 1936-6-7 487 San Mateo 2 miles south of Pescadero. Along coast highway. 15 Comment
  RSA184905  Orthocarpus erianthus var. roseus L. S. Rose 1965-3-25 65010 San Mateo San Bruno Mountains, north end. 122 Comment
Read comments
Mar 28 2016
  RSA6290  Orthocarpus pusillus D. D. Keck 1932-5-11 1766 San Mateo 2 miles north of San Gregornio. 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
  CHSC56513  Osmorhiza chilensis Steven Triano 1988-5-24 170 San Mateo Along se side of Old La Honda Road ca 0.5 air miles e of SkyLonda. 405 Comment
  RSA0089401  Oxalis articulata subsp. rubra Dean Wm. Taylor 2016-2-23 21612 San Mateo Moss Beach; western shoulder bank of Highway 1 on the western ROW edge as it parallels Vallenman Street. 18 Comment
  UCR2998  Oxalis incarnata Wm. Horn Jr. 1963-4-7 630407- 01 San Mateo San Francisco Bay, Hillsborough, 2240 Redington Road 30 Comment
  CHSC25146  Oxalis oregana R. N. Bowman 1971-4-5 17 San Mateo On embankment along E. side of Gazos Creek, ca. 7.6 mi. N.W. of Big Basin State Park office and ca. 25 yards W. of Gazos Creek Rd. 121 Comment
  JEPS79567  Oxalis oregana Edward Lee with A. Carter, E. Crum, and C. Belshaw 1936-1-26 1720 San Mateo e side Cahill Ridge (Kings Mt. Rd (2.6 mi out of woodside)) Comment
  UC1057442  Oxalis pes-caprae G. Thomas Robbins 1937-4-11 72 San Mateo just s San Fancisco (Skyline Boulevard) Comment
  UC175966  Packera breweri A. A. Heller 1907-5-23 8565 San Mateo back of San Mateo (on the Half Moon Bay road) Comment
  UCR113570  Parietaria judaica Mitch Provance 1999-1-18 1745 San Mateo Daly City, west side of Mission St, c. 0.25 miles south of the San Mateo/ San Francisco County line 122 Comment
  CDA15877  Parietaria judaica J. Xerogeanes 2000-1-4 PDR 1242905 San Mateo North Coast; Chorry Rd., San Bruno. 0 Comment
  JROH5343  Paspalum distichum W. R. Dudley 1903-1-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Upper end of Searsville Lake. Comment
  JROH1400  Pectocarya pusilla J. I. McMurphy 1911-5-11 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1401  Pectocarya pusilla L. Roush & G. Kimber 1918-5-2 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM63452  Pectocarya pusilla A. D. E. Elmer 1903-04 4676 San Mateo Portola. Comment
  JROH4103  Pedicularis densiflora John H. Thomas 1959-4-5 7663 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4110  Pedicularis densiflora John H. Thomas 1967-6-1 12970 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4111  Pedicularis densiflora John H. Thomas 1967-6-1 12970 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM15581  Pedicularis densiflora A. D. E. Elmer 1903-05 4497 San Mateo Woodside. Comment
  RSA130979  Pedicularis densiflora Josephine Randall 1908-3-28 s.n. San Mateo Kings Mt Road. Santa Cruz Peninsula. Comment
  RSA125830  Pedicularis densiflora G. R. Campbell 1956-4-4 1 San Mateo La Honda Rd (from Hwy 5) to Woodside, 3 mi from Mt Home-Portola road. 610 Comment
  CAS-BOT-BC266667  Pedicularis dudleyi Rimo Bacigalupi 1923-1-1 s.n. San Mateo Peters Creek near Pescadero Creek Comment
  UCSC003377  Pelargonium grossularioides Randall Morgan 2001-5-5 3725 San Mateo south of Franklin Point, San Mateo County Comment
  JROH102  Pellaea andromedifolia John Hunter Thomas 1981-4-5 20268 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  CAS-BOT-BC265731  Pennisetum villosum John H. Thomas 1969-6-6 15517 San Mateo Menlo Park, near El Camino and Cambridge 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
  CAS-BOT-BC330501  Pentachaeta bellidiflora Lewis S. Rose 1948-3-31 48032 San Mateo Skyline Blvd., above San Andreas Lake. 152 Comment
  SJSU14193  Pentachaeta bellidiflora Toni Corelli 1989-4-2 201 San Mateo watershed triangle between Edgewood & Canada Rds 170 Comment
  CAS-BOT-BC77004  Pentagramma triangularis subsp. triangularis Phillip Wheeler 1966-12-30 s.n. San Mateo San Bruno Mountains - Harold Road, Brisbane Comment
  POM259787  Perideridia gairdneri subsp. gairdneri I. L. Wiggins, Roxana Ferris 1939-8-2 9295 San Mateo Ano Nuevo Point Comment
  UC2044059  Perideridia gairdneri subsp. gairdneri Neal Kramer 2002-8-3 CR 235 San Mateo POST Cloverdale Ranch. North end of the Mesa approx. 0.4 mi east of Lake Lucerne. Comment
  JROH311  Perideridia kelloggii John H. Thomas 1975-7-31 17981 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC418847  Persicaria hydropiperoides Ira L. Wiggins 1985-9-28 22299 San Mateo Bed of San Francisquito Creek, N side of creek bed, just above Pop [Pope] Street bridge, Menlo Park Comment
  JROH3269  Persicaria lapathifolia Roxana S. Ferris 1924-10-6 4094 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake. Comment
  CAS-BOT-BC413764  Persicaria lapathifolia Verne Grant; Herbert L. Mason 1946-8-28 13089 San Mateo Pond on Santa Cruz - Daly City Road #5, south of San Francisco Comment
  JROH3286  Persicaria punctata John Hunter Thomas 1991-11-21 25101 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low-flow crossing of San Francisquito Creek. Comment
  JROH1164  Petasites frigidus var. palmatus Carol Zabel 1989-8-11 27 San Mateo Jasper Ridge Biological Preserve, Stanford University; San Francisquito Creek near confluence with Bear Creek Comment
  POM87739  Petunia parviflora L. R. Abrams 1902-9-21 2994 San Mateo Crystal Lake Comment
  RSA249523  Phacelia californica Robert F. Thorne, P. C. Everett 1965-8-1 35074 San Mateo 21.5 miles S of Golden Gate Bridge. 69 Comment
  UC909960  Phacelia californica John Thomas Howell 1938-5-1 13771 San Mateo Colma Canyon Comment
  SEINET5566300  Phacelia californica H. S. Gentry 1931-1 102 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  JROH2758  Phacelia distans John Rawlings 2008-4-23 1031 San Mateo Jasper Ridge Biological Preserve, Stanford University. Just west of Rd C in small, grassy opening on slope uphill from blue metal bridge near beginning of Rd 19 that leaves Rd. C 30 meters south of the main San Francisquito Creek/Rd C bridge. 92 Comment
  JROH2760  Phacelia nemoralis subsp. nemoralis John H. Thomas 1967-5-31 12939 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2761  Phacelia nemoralis var. nemoralis John H. Thomas 1973-6-15 16848 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD38340  Phacelia ramosissima Edith A. Purer 1933-5-27 3651 San Mateo Spring Valley Lakes. Comment
  JEPS67917  Phalaris L. R. Heckard and J. H. Thomas 1972-4-16 2902 San Mateo along e side Upper Crystal Springs Reservoir ((below State Highway interchange)); along e side Upper Crystal Springs Reservoir Comment
  CHSC56636  Phalaris aquatica Steven Triano 1988-5-24 176 San Mateo On the sw corner of the jct. of Portola Road and Old La Honda Road, ca 3.2 mi s of Woodside. 115 Comment
  JROH5376  Phalaris aquatica John Hunter Thomas 1989-6-6 24760 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA187374  Phalaris aquatica John H. Thomas 1958-8-1 7375 San Mateo Just N of mouth of San Gregorio Creek 30 Comment
  RSA100972  Phalaris californica G. Oberlander 1949-4-2 27 San Mateo North Cahill; San Francisco Watershed Reserve Comment
  UCD37957  Phalaris californica Beecher Crampton 1962-6-11 6487 San Mateo 5 miles W of Belmont, at junction of Ralston Avenue and Skyline Boulevard, at foot of western slope of Pulgas Ridge, along eastern side of lower Crystal Springs Reservoir. Comment
  RSA22129  Phalaris minor J. T. Howell 1937-7-5 13099 San Mateo Redwood City, along Bayshore Highway Comment
  UC820505  Phalaris minor John Thomas Howell 1937-7-5 13099 San Mateo along Bayshore Highway Redwood City Comment
  SD49975  Phoradendron leucarpum subsp. tomentosum John H. Thomas 1959-8-22 8080 San Mateo Jasper Ridge, about 5 miles southwest of Palo Alto 152 Comment
  CAS-BOT-BC142225  Physocarpus capitatus George Oberlander 1950-7-15 1041 San Mateo San Andreas Valley - San Francisco Watershed Reserve Comment
  UC860427  Physocarpus capitatus Lewis S. Rose 1939-5-5 39093 San Mateo San Mateo Canyon 45 Comment
  CDA34055  Pinus attenuata D. G. Kelch, David Gernandt, Steffi Ickert-Bond, Yingli Guo 2011-4-22 11 .155-B San Mateo Santa Cruz Mountains; Along Route 9, ~5 km E of Big Basin Redwoods. Comment
  JEPS46880  Pinus radiata W. L. Jepson 1910-8-18 4166 San Mateo Ano Nuevo Creek Comment
  JEPS48202  Pinus radiata W. L. Jepson 1910-8-18 4166 San Mateo Ano Nuevo Creek Comment
  CAS-BOT-BC158326  Piperia Peter Rubtzoff; Randall Morgan 1987-8-28 9847 San Mateo Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC137317  Piperia elegans E. McClintock; W. Knight; I. Knight 1963-9-2 s.n. San Mateo Field redacted by CAS, contact the data manager for more information Comment
  JROH676  Pistacia atlantica Toni Corelli 2002-8-12 247 San Mateo Jasper Ridge Biological Preserve, Stanford University. Road H 128 Comment
  CAS-BOT-BC135929  Pittosporum tenuifolium Elizabeth McClintock; Paul Reeberg 1989-8-31 s.n. San Mateo Willow Pond - San Bruno Mountains Comment
  CAS-BOT-BC228135  Plagiobothrys chorisianus Josephine D. Randall 1907-7-23 12 San Mateo The Santa Cruz Peninsula. Near Crystal Springs Lake Comment
  CAS-BOT-BC228117  Plagiobothrys chorisianus J. H. Thomas 1965-4-13 10564 San Mateo To the E of Broadway Exit, Burlingame Comment
  POM190562  Plagiobothrys chorisianus D. D. Keck 1932-4-18 1435 San Mateo Burlingame, on the shore of San Francisco Bay. 2 Comment
  SJSU16034  Plagiobothrys chorisianus var. chorisianus Toni Corelli, John Rawlings 2016-4-29 1770 San Mateo Cascade Field along Atkinson Bluff Trail, north of Cascade Cr. Trail, in Ano Nuevo State Park 11 Comment
  CAS-BOT-BC228155  Plagiobothrys chorisianus var. chorisianus W. R. Dudley 1893-5-27 s.n. San Mateo The Santa Cruz Mountain Peninsula. Between King's Mountain and La Honda, below Hayman's Ranch Comment
  UCD124413  Plantago elongata June McCaskill 1954-5-8 293 San Mateo Moss Beach. Comment
  UCSC003378  Plantago elongata Randall Morgan 2001-5-5 3725 San Mateo south of Franklin Point, San Mateo County Comment
  JROH3108  Plantago erecta John H. Thomas 1956-4-7 5616 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent slopes Comment
  JROH3115  Plantago erecta John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC2049867  Plantago lanceolata H. W. Johansen 1955-4-23 81 San Mateo Crystal Springs Road, 2 miles W of San Mateo Comment
  UCSB18574  Plantago lanceolata Muirhead, M. 1964-4-17 San Mateo Crocker Estate, Hillsborough 76 Comment
  JROH3136  Plantago major John Hunter Thomas 1980-11-27 20192 San Mateo Jasper Ridge Biological Preserve, Stanford University; delta Comment
  UCD164599  Plantago major Peter Rubtzoff; Roman Gankin 1975-9-11 8371 San Mateo San Bruno Mountains. Pond NW of and across old Guadalupe Road from 'Saddle' area (which is located on N side of Guadalupe Canyon Parkway, W of Radio Road junction). Comment
  SD39917  Plantago maritima Edith A. Purer 1933-7-27 5364 San Mateo Near Pigeon Point. Comment
  JEPS24268  Plantago subnuda J. H. Thomas 1959-7-8 8016 San Mateo Pescadero Beach Comment
  CAS-BOT-BC92016  Platystemon californicus Elizabeth McClintock 1965-3-28 s.n. San Mateo San Bruno Mountain. In Devil's Arroyo. Comment
  SD1839  Platystemon californicus U. S. Grant 1925-6-5 San Mateo Burlingame Comment
  UC131908  Plectritis brachystemon Alice Eastwood 1901-5-19 San Mateo Blenheim Comment
  POM198992  Pleuropogon californicus var. californicus A. D. E. Elmer 1903-06 4848 San Mateo Millbrae Comment
  JROH5398  Poa annua John H. Thomas 1968-3-31 14260 B San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA800330  Poa annua Peter Rubtzoff 1988-5-3 9911 San Mateo San Bruno Mountain, ''Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road Junction, near old Guadalupe Road in the northwest part of the ''Saddle area, east of Saddle Trail Junction. Comment
  UC650404  Poa annua Ira L. Wiggins 1928-4-22 2944 San Mateo Moss Beach Comment
  JROH5408  Poa howellii H. J. Dengler 1961-5-8 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; 20' above (S.W.) of San Francisquito Creek, and immediately above Tiger Lily site where there is a seep beneath a large laurel. 77 Comment
  SEINET10959346  Poa howellii LeRoy R. Abrams Abrams 1560 San Mateo Santa Cruiz Mts. Comment
  RSA135745  Poa kelloggii Roxana S. Ferris 1920-4-26 1963 San Mateo Near mouth of Canon of Pescadero Creek 244 Comment
  CAS-BOT-BC247422  Poa pratensis Phillip C. Wheeler 1965-5-23 s.n. San Mateo San Bruno Mountain. No. West Radio Road Comment
  RSA135725  Poa secunda W. R. Dudley 1900-3-18 s.n. San Mateo San Andreas Lake Comment
  SEINET3130238  Poa secunda L. R. Abrams 1902-5-4 2408 San Mateo Woodside Comment
  CAS-BOT-BC539283  Poa secunda subsp. secunda John Rawlings; Ken Hickman 2015-6-8 1575 San Mateo Caltrans right-of-way above Hwy 92 E of Hwy 280, downslope from San Francisco Watershed fenceline 118 Comment
  JROH2858  Pogogyne serpylloides John H. Thomas 1973-6-10 16827 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2860  Pogogyne serpylloides John Hunter Thomas 1980-5-6 19934 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC232897  Polemonium carneum A. D. E. Elmer 1903-7-1 4771 San Mateo Pilarcitos Stone Dam Comment
  UC23973  Polemonium carneum J. Burtt Davy 1895-4-20 1040 San Mateo Pilarcitos Comment
  JROH5958  Polycarpon tetraphyllum var. tetraphyllum John Rawlings 2017-6-5 2098 San Mateo Jasper Ridge Biological Preserve, Stanford University. Road D, ~20 yards west of its intersection with Road E 157 Comment
  UCR101673  Polygonum George K. Helmkamp, E. A. Helmkamp 1998-5-16 3741 San Mateo Portola Valley, Golden Hills Rd along Los Trancos Creek 107 Comment
  UCR66525  Polygonum amphibium Lyman Benson 1932-7-11 3930 San Mateo Santa Cruz Range, Stanford University. San Francisquito Creek. 62 Comment
  UC1192322  Polygonum amphibium var. emersum Malcolm A. Nobs and S. Galen Smith 1949-8-26 1603 San Mateo along Hwy 1 0,.6 mi n Pigeon Point Comment
  UC1101136  Polygonum amphibium var. stipulaceum Verne Grant and Herbert L. Mason 1946-8-28 13082 San Mateo San Francisco county prison; sag pond at entrance Comment
  CAS-BOT-BC413757  Polygonum argyrocoleon John Thomas Howell 1953-6-3 29057 San Mateo Bayshore Highway, Redwood City Comment
  CAS-BOT-BC413945  Polygonum aviculare subsp. aviculare E. M. Zeile 1921-7-31 s.n. San Mateo Salada Comment
  CAS-BOT-BC109244  Polygonum paronychia T. R. Mertens 1963-10-5 7 San Mateo Pescadero. Comment
  UCR66558  Polygonum paronychia David D. Keck 1931-10-5 1288 San Mateo 1 mi north of Salada Beach 200 Comment
  SBBG32442  Polypodium californicum L. S. Rose 1964-2-6 64001 San Mateo King's Mtn 609 Comment
  CAS-BOT-BC76950  Polypodium californicum Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mountain Comment
  JROH82  Polypodium californicum John H. Thomas 1977-4-2 18510 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  UC42914  Polypodium scouleri J. Burtt Davy 1893-6-22 San Mateo top of Pilarcitos Canyon Comment
  JROH5436  Polypogon interruptus W. Lennihan 1989-6-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. San Francisquito creek -- above low-flow causeway on left, under trees in rocks. 81 Comment
  CAS-BOT-BC237355  Polypogon monspeliensis S. D. Halsey 1908-11-7 s.n. San Mateo Salt marsh near Cooleys Landing Comment
  JROH5440  Polypogon monspeliensis John H. Thomas 1962-7-15 9920 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek below dam. Comment
  JROH5441  Polypogon monspeliensis John H. Thomas 1963-6-23 10160 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5456  Polypogon monspeliensis John Hunter Thomas 1987-5-5 24242 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA187461  Polypogon monspeliensis John H. Thomas 1965-12-19 11458 San Mateo Jasper Ridge Biological Experimental Area, 5 miles SW of Palo. Comment
  CAS-BOT-BC72151  Polystichum californicum W. R. Dudley 1905-6-19 s.n. San Mateo near Camp on Pescadero Creek, Santa Cruz Mountains Comment
  RSA430495  Polystichum dudleyi Lyman Benson 1934-8-19 6115 San Mateo La Honde Grade, Santa Cruz Mountains, transition zone 305 Comment
  CAS-BOT-BC76607  Polystichum munitum C. F. Baker 1902-1-15 321 San Mateo West side King's Mountain Comment
  CAS-BOT-BC76609  Polystichum munitum D. E. Breedlove 1973-9-26 35557 San Mateo Pescadero Creek County Park 365 Comment
  SD43036  Polystichum munitum Delzie Demaree 1932-2-14 San Mateo Kings Mt. Comment
  CAS-BOT-BC76643  Polystichum munitum Roman Gankin 1987-11-6 9885 San Mateo San Bruno Mountains - saddle area on north side of Guadelupe Canyon Parkway west of Radio Road junction. Comment
  CAS-BOT-BC76645  Polystichum munitum Elizabeth McClintock 1965-3-28 s.n. San Mateo San Bruno Mountain - Trillium Gulch Comment
  CAS-BOT-BC410033  Populus X parryi W. R. Dudley 1895-3-11 s.n. San Mateo San Fransicquito Creek, S of Railroad bridge Comment
  UC4940  Populus alba J. Burtt Davy Jun 21 1893-Jun 23 1893 1128 San Mateo Millbrae Comment
  JROH3839  Populus trichocarpa John H. Thomas 1966-4-13 11557 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3840  Populus trichocarpa John H. Thomas 1966-4-13 11557 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3841  Populus trichocarpa John H. Thomas 1976-4-30 18099 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below Dam. Comment
  UC519205  Potamogeton illinoensis N. L. Gardner 1933-9-24 San Mateo Crystal Springs Lake Comment
  UC813943  Potamogeton nodosus Ira L. Wiggins and Roxana S. Ferris 1939-8-2 9292 San Mateo Ano Nuevo Point Comment
  UC430  Potamogeton pectinatus J. Burtt Davy Jun 21 1893-Jun 23 1893 1131 San Mateo Pilarcitos Lake and Canyon Pilarcitos Lake Comment
  CAS-BOT-BC453998  Potamogeton pectinatus George Oberlander 1950-7-15 1074 San Mateo San Francisco Watershed Reserve. San Andreas Lake Comment
  UC279589  Potamogeton pectinatus W. A. Setchell, C. B. Setchell, H. E. Parks 1925-4-29 San Mateo Comment
  UC204845  Potamogeton pusillus var. pusillus W. R. Dudley July 1893 San Mateo Searsville Pond Comment
  CAS-BOT-BC141929  Potentilla anserina subsp. pacifica Elizabeth McClintock; Carlyn Halde; Walter Knight 1963-6-23 s.n. San Mateo Lower part of Colma Canyon - San Bruno Mountains Comment
  CAS-BOT-BC141931  Potentilla anserina subsp. pacifica George Oberlander 1950-5-6 925 San Mateo Below San Andreas Dam - San Francisco Watershed Reserve Comment
  CAS-BOT-BC141936  Potentilla anserina subsp. pacifica J. H. Thomas 1949-6-4 590 San Mateo Along coast, 1.4 miles S. of road to Pescadero Comment
  JEPS44178  Potentilla anserina subsp. pacifica Adele Lewis Grant 1917-5-6 941 San Mateo Pebble Beach nr Pescadero; Pebble Beach nr Pescadero Comment
  CAS-BOT-BC143305  Potentilla hickmanii Mrs. E. C. Sutliffe 1933-5-6 s.n. San Mateo Above Moss Beach Comment
  UC1952815  Potentilla hickmanii Barbara Ertter with Tony Morosco, Deb Hillyard, Richard Vonarb 1995-6-15 14257 San Mateo Martini Creek at south end of Devil's Slide, north-facing grassy hillside Comment
  CAS-BOT-BC516348  Prosartes hookeri J. H. Thomas 1949-4-14 269 San Mateo Kings Mountain Comment
  CAS-BOT-BC516357  Prosartes hookeri Ira L. Wiggins 1928-4-14 2912 San Mateo Alpine Creek Road Comment
  CAS-BOT-BC516361  Prosartes hookeri Elizabeth McClintock 1965-3-28 s.n. San Mateo Devil's Arroyo, San Bruno Mountain Comment
  SEINET12054260  Prosartes hookeri Unknown 1932-1 8971 San Mateo Los Franco woods Comment
  CAS-BOT-BC517388  Prosartes smithii E. W. Rust 1887-4-27 133 San Mateo Kings Mountain Comment
  CAS-BOT-BC517392  Prosartes smithii A. D. E. Elmer 1903-5-1 4697 San Mateo Butano Creek 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
  UC449935  Prunella vulgaris var. lanceolata Franklin P. Nutting 1893-7-15 San Mateo near Lake San Andreas; near Lake San Andreas Comment
  CAS-BOT-BC154507  Prunus ilicifolia Brandegee s.n. San Mateo Menlo Park Comment
  UC12764  Prunus ilicifolia J. Burtt Davy 1893-6-23 832 San Mateo Pilarcitos Canyon Comment
  UC202781  Prunus ilicifolia A. D. E. Elmer July, 1903 4773 San Mateo Pilarcitos Stone Dam Comment
  CAS-BOT-BC154651  Prunus subcordata William R. Dudley 1904-4-7 s.n. San Mateo Los Trancos Cr., above Allen place Comment
  CAS-BOT-BC154654  Prunus subcordata Margaret A. Barry 1938-4-21 248 San Mateo North slope on Los Trancos Creek near Coal Mine Ridge Comment
  CAS-BOT-BC154656  Prunus subcordata Le Roy Abrams 1901-3-1 1168 San Mateo Portola, Los Trancos Creek Comment
  CAS-BOT-BC156354  Prunus virginiana var. demissa Phillip C. Wheeler 1965-5-12 s.n. San Mateo Sierra Point - near canyon Comment
  CAS-BOT-BC156356  Prunus virginiana var. demissa Walter Knight; Irja Knight 1965-4-11 s.n. San Mateo From mouth of Colma Canyon on south side of Guadalupe parkway Comment
  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
  JROH752  Pseudognaphalium californicum D. D. Davis 1903-5-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Ridge Comment
  JROH757  Pseudognaphalium californicum John H. Thomas 1967-5-10 12851 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
  JROH769  Pseudognaphalium californicum John Hunter Thomas 1983-7-20 22893 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC356854  Pseudognaphalium californicum Walter Knight; Irja Knight 1965-3-15 1235 San Mateo North facing- Colma Canyon - San Bruno Mountain Comment
  CAS-BOT-BC356867  Pseudognaphalium californicum Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo San Bruno Mountain. East facing slope below parking lot Comment
  CAS-BOT-BC356869  Pseudognaphalium californicum R. E. Frenkel 1963-12-7 337 San Mateo On Spring Valley Ridge Road, SFWD, at junction of Spring Valley Ridge and Whiting Ridge Roads 347 Comment
  SJSU10081  Pseudognaphalium californicum R. W. Henkel 1967-5-28 105 San Mateo Alpine Rd 4 mi N of junction with Skyline Blvd Comment
  CAS-BOT-BC357125  Pseudognaphalium luteoalbum Fred Hemphill 1973-5-6 766 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  JROH774  Pseudognaphalium luteoalbum John H. Thomas 1964-11-15 10527 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM358830  Pseudognaphalium luteoalbum E. A. Purer 1933-8-13 5427 San Mateo Belmont Comment
  SBBG45073  Pseudognaphalium luteoalbum L. S. Rose 1936-2-12 San Mateo Burlingame 91 Comment
  CAS-BOT-BC357513  Pseudognaphalium ramosissimum J. H. Thomas 1958-8-1 7376 San Mateo Coastal bluffs just north of mouth of San Gregorio Creek 30 Comment
  SEINET3145218  Pseudognaphalium ramosissimum L. S. Rose 1935-8-13 35568 San Mateo Salada 30 Comment
  CAS-BOT-BC344868  Pseudognaphalium stramineum Peter Rubtzoff 1975-10-11 8422 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. Comment
  SD27753  Pseudognaphalium stramineum Carl B. Wolf 1927-6-29 563 San Mateo South of Pescadero at Pebble Beach Comment
  CAS-BOT-BC361564  Pseudognaphalium stramineum W. R. Dudley 1895-2-9 s.n. San Mateo Santa Cruz Mountain Peninsula. Arroyo de los Frijoles Comment
  CAS-BOT-BC85906  Pseudotsuga menziesii A. D. E. Elmer 1903-4-1 4562 San Mateo King's Mountain Comment
  CAS-BOT-BC85914  Pseudotsuga menziesii Miss O. Boring 1897-8-31 s.n. San Mateo Santa Cruz Peninsula, King's Mt. Comment
  RSA762816  Pseudotsuga menziesii Lyman Benson 1929-3-2 981 San Mateo Hill east of Lake Searsville. Comment
  UCSB11506  Pseudotsuga menziesii Olson, Jim 1962-4-15 San Mateo 2 miles east of Portola State Park of Portola State Park Road; 20 miles south of La Honda Comment
  CAS-BOT-BC85910  Pseudotsuga menziesii W. R. Dudley 1897-4-10 s.n. San Mateo Santa Cruz Mountain Peninsula, above Alpine School House, Black Mt. Comment
  JROH124  Pseudotsuga menziesii var. menziesii John H. Thomas 1970-1-1 15492 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSC007773  Pseudotsuga menziesii var. menziesii Becky Hendricks, Chris Lay 2012-6-22 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC362025  Psilocarphus tenellus Lewis S. Rose 1933-5-3 33140 San Mateo Montara Comment
  JROH1176  Psilocarphus tenellus John H. Thomas 1955-5-6 5001 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1182  Psilocarphus tenellus John H. Thomas 1971-4-21 15764 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1187  Psilocarphus tenellus John Hunter Thomas 1980-5-8 19948 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1198  Psilocarphus tenellus John Hunter Thomas 1992-5-5 25217 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam and vicinity Comment
  SBBG28043  Psilocarphus tenellus L. S. Rose 1933-5-3 33140 San Mateo Montara Comment
  CAS-BOT-BC72655  Pteridium aquilinum Phillip Wheeler 1965-6-19 s.n. San Mateo Canyon east of quarry Comment
  UC635041  Pterostegia drymarioides Herbert L. Mason 1927-4-23 3683 San Mateo along rd. between La Honda and Pescadero Creek Comment
  UCD18553  Puccinellia lemmonii Roman Gankin 1950-7-15 27 San Mateo city of Menlo Park, Hermosa Way, along roadside. 30 Comment
  SD58312  Puccinellia nutkaensis Alan A. Beetle 1946-6-4 4278 San Mateo on S.F. Bay margin; San Mateo Bridge approach, San Mateo City limits Comment
  RSA0082792  Pyrola aphylla A. D. E. Elmer 1903-06 4297 San Mateo Pescadero. Comment
  JROH2532  Quercus John H. Thomas 1974-4-24 17183 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2537  Quercus X jolonensis Lucile Roush 1917-10-9 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2534  Quercus X morehus W. K. Fisher 1898-3-19 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
Read comments
Oct 31 2016
  POM192780  Quercus X morehus W. R. Dudley 1904-4-10 s.n. San Mateo Goat Ranch Road near Alpine Road, Black Mountain, Santa Cruz Mountain Peninsula. Comment
  CAS-BOT-BC61706  Quercus agrifolia Elizabeth McClintock; Walter Knight; Irja Knight 1964-9-11 s.n. San Mateo Point San Bruno. On bluff near shoreline, San Bruno Mountain Comment
  CAS-BOT-BC61710  Quercus agrifolia Ned Cahill 1974-5-13 258 San Mateo near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  UCD45078  Quercus agrifolia Jonh M. Tucker 1994-9-9 s.n. San Mateo Tree ca. 35 ft. tall and 12' dbh. Huddart Park. San Mateo County Comment
  JROH2465  Quercus berberidifolia John Rawlings 2007-12-19 0929 San Mateo Jasper Ridge Biological Preserve, Stanford University; about 10 yards northeast of Rd. F in blue oak woodland west of Area C serpentine 178 Comment
  UCD45585  Quercus chrysolepis Roman Gankin; W. R. Hildreth 1966-5-17 s.n. San Mateo Elevation 1600 feet, ca. .4 mile northeast of Peak Mountain of greater Montara Mountain, San Mateo County, California. 487 Comment
  CAS-BOT-BC85953  Quercus douglasii Lewis S. Rose 1931-9-19 s.n. San Mateo Woodside Comment
  JROH2470  Quercus douglasii John H. Thomas 1955-5-6 5017 San Mateo Jasper Ridge Biological Preserve, Stanford University 182 Comment
  JROH2471  Quercus douglasii John H. Thomas 1968-4-19 14296 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1135557  Quercus durata G. E. Sindel 1935-8-27 338 San Mateo 3.37 mi wnw Woodside; Santa Cruz Quad. 152 Comment
  UCD46005  Quercus durata Herb Dengler 1992-3-5 s.n. San Mateo Jasper Ridge Biological Preserve (of Stanford University) in southeast part of preserve, San Meteo County, California. Comment
  CAS-BOT-BC105393  Quercus kelloggii Josephine D. Randall 1907-3-9 114 San Mateo Santa Cruz Mountain Peninsula, Searsville Road to Woodside Comment
  HSC23989  Quercus kelloggii Mary Katherine Wicksten 1971-6-29 133 San Mateo Huddart Park Ridge between Oak Area and Redwood Area Comment
  JROH2511  Quercus kelloggii John Hunter Thomas 1988-4-6 24372 San Mateo Jasper Ridge Biological Preserve, Stanford University; along road near dam Comment
  UCSB1185  Quercus kelloggii Haller, John 1950-4-26 San Mateo Stanford University, near highway bridge over cree, at edge of golf course Comment
  UC1083146  Quercus lobata Herbert L. Mason 1924-10-8 1109 San Mateo between Stanford University and Jasper Ridge Comment
Read comments
Sep 19 2011
  CAS-BOT-BC62890  Quercus lobata W. R. Dudley 1893-11-19 s.n. San Mateo By Alpine road up Black Mt. Comment
  HSC23883  Quercus wislizeni Mary Katherine Wicksten 1971-6-16 16 San Mateo Huddart Park, dry gully by horse ring Comment
  RSA18093  Quercus wislizeni var. wislizeni Carl B. Wolf 1929-4-24 3655 San Mateo south west end of Jasper Ridge, near Searsville Lake Comment
  RSA18515  Rafinesquia californica C. B. Wolf 1927-7-14 605 San Mateo Summit of Kings Mountain Rd. Comment
  CAS-BOT-BC379190  Ranunculus aquatilis var. aquatilis W. R. Dudley 1906-6-10 s.n. San Mateo pond by North Cahill Ridge Road Comment
  CAS-BOT-BC379081  Ranunculus aquatilis var. diffusus Roxana Ferris 1918-3-31 756 San Mateo at edge of Helvetio (Mud) Lake; Coal Mine Ridge Comment
  CAS-BOT-BC379084  Ranunculus aquatilis var. diffusus Carl B. Wolf 1929-4-29 3664 San Mateo in small reservoir 1 mi south of Portola Comment
  CAS-BOT-BC378547  Ranunculus californicus var. californicus John H. Thomas 1955-4-6 4840 San Mateo east facing slope of San Bruno Mountain, just north of South San Francisco 00000000000000000000000 91 Comment
  CAS-BOT-BC378532  Ranunculus californicus var. californicus Elizabeth McClintock; Virginia Ryder 1964-2-16 s.n. San Mateo San Bruno Mountain, low growing on grassy slope above parking lot at top of mountain Comment
  CAS-BOT-BC378538  Ranunculus californicus var. californicus M. P. Johnson 1967-2-18 10013 San Mateo open north facing slope off Crocker Avenue just south of San Francisco boundary 183 Comment
  CAS-BOT-BC378550  Ranunculus californicus var. californicus Paul F. Covel 1937-4-15 644 San Mateo Hgwy no. Half Moon Bay Comment
  UC575705  Ranunculus hebecarpus Lewis S. Rose 1935-5-1 35136 San Mateo Redwood City Comment
  JROH3490  Ranunculus hebecarpus John Hunter Thomas 1987-4-10 24187 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC83429  Ranunculus lobbii A. D. E. Elmer 1903-4-1 4734 San Mateo Alpine School House. Comment
  CAS-BOT-BC83427  Ranunculus lobbii W. R. Dudley 1964-4-22 s.n. San Mateo Santa Cruz Mountain Peninsula. Corte Madera Creek. Along New Grade Road. Comment
  JEPS67907  Ranunculus pusillus L. R. Heckard and J. H. Thomas 1972-4-16 2890 San Mateo ca 1 1/2 mi s Pulgas Water Temple (along old Canada road (private), sw of Upper Crystal Springs Reservoir) 121 Comment
  JROH3502  Ranunculus uncinatus John Rawlings 2013-4-16 1144 B San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 1. 79 Comment
  UC1121743  Rhamnus californica A. E. Wieslander 1935-2-2 505 San Mateo 0.5 mi se Pigeon Pt.; Santa Cruz Quad. 30 Comment
  CAS-BOT-BC55884  Rhamnus crocea Walter Knight; Irja Knight; Elizabeth McClintock 1963-9-2 s.n. San Mateo Croker Hills Comment
  POM282947  Rhamnus crocea Lyman Benson 1930-5-21 s.n. San Mateo Lake Searsville. 152 Comment
  SBBG28984  Rhamnus crocea C. B. Wolf 1928-3-16 San Mateo Jasper Ridge, near Searsville Lake Comment
  RSA121957  Rhododendron macrophyllum N. K. Carlson 1935-7-2 112 San Mateo 5 miles south of Bellvale. 305 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
  CAS-BOT-BC93010  Ribes californicum var. californicum Ned Cahill 1974-5-13 243 San Mateo Near the intersection of Canada and Edgewood Roads, about 3 miles westward from Redwood City. Comment
  CAS-BOT-BC93014  Ribes californicum var. californicum K. Haj Jaryh 1929-5-6 533 San Mateo La Honda Grade. Comment
  CAS-BOT-BC173089  Ribes divaricatum var. pubiflorum F. J. Jack 1894-3-24 s.n. San Mateo Near McDonough Ranch, Portola Comment
  JROH2653  Ribes divaricatum var. pubiflorum John Hunter Thomas 1983-4-21 21644 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along 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-BC173475  Ribes malvaceum W. R. Dudley 1893-1-1 s.n. San Mateo Near Belmont Comment
  UC202806  Ribes malvaceum A. D. E. Elmer March 1903 4750 San Mateo Portola Comment
  JROH2665  Ribes malvaceum var. malvaceum Carol Zabel 1989-3-5 6 San Mateo Jasper Ridge Biological Preserve, Stanford University. Diagonal trail between Trail 14 and Trail 8. Comment
  UC202760  Ribes menziesii A. D. E. Elmer June, 1903 4787 San Mateo Lake San Andreas Comment
  RSA0021752  Ribes menziesii var. leptosmum I. L. Wiggins 1929-3-23 3374 San Mateo Road to Mud Lake, near Stanford University Comment
  SEINET13942784 Image available Ribes sanguineum Lewis S. Rose 1955-1 55041 San Mateo Kings Mountain, alt 2000 ft 610 Comment
  CAS-BOT-BC144610  Ribes sanguineum var. glutinosum W. R. Dudley 1904-4-7 s.n. San Mateo 1/4 mile above Judge Allen's near Portola Comment
  CAS-BOT-BC144612  Ribes sanguineum var. glutinosum George Oberlander 1949-4-9 51 San Mateo Pilarcitos Canyon Comment
  RSA0019111  Ribes sanguineum var. glutinosum Lyman Benson 1930-6-14 2159 San Mateo La Honda. Santa Cruz Mountains. 244 Comment
  SEINET12220349  Ribes sanguineum var. glutinosum Unknown 1932-1 8934 San Mateo La Honda Road to Sky Line Drive Comment
  CAS-BOT-BC168726  Ribes victoris Eric Walther 1919-8-1 s.n. San Mateo Woodside Comment
  RSA144510  Ricinus communis John H. Thomas 1960-11-11 8925 San Mateo Along Skyline Blvd., 1.1 mile S. of intersection of Skyline Blvd. and Millbrae Avenue. Comment
  CAS-BOT-BC363086  Rigiopappus leptocladus Ira L. Wiggins 1949-4-23 12050 San Mateo Hillsides above Emerald Lake, back of Redwood City Comment
  CAS-BOT-BC363091  Rigiopappus leptocladus John H. Thomas 1961-5-14 9382 San Mateo Just north of dam on San Mateo Creek 121 Comment
  CAS-BOT-BC363094  Rigiopappus leptocladus Le Roy Abrams 1902-5-4 2401 San Mateo Woodside Comment
  JROH1203  Rigiopappus leptocladus John H. Thomas 1963-5-15 10089 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC147625  Rosa californica Ned Cahill 1974-6-21 333 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  RSA499266  Rosa californica E. S. Spalding 1923-8-3 s.n. San Mateo 3 mi west of Redwood Comment
  CAS-BOT-BC146701  Rosa gymnocarpa John H. Thomas 1961-5-7 9284 San Mateo San Bruno Mountain in northern part of county 396 Comment
  RSA246188  Rosa gymnocarpa E. K. Balls 1969-9-18 12174 San Mateo 6 miles S from jct (crossing) of Hwy 84 with Hwy 35 along the La Honda [road?]. Beside San Gregorio Creek. Comment
  UC914720  Rosa gymnocarpa Delzie Demaree 1933-6-23 10386 San Mateo White House Canyon Comment
  JROH3759  Rosa gymnocarpa var. gymnocarpa John H. Thomas 1974-6-27 17448 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC146800  Rosa multiflora Peter Rubtzoff; Elizabeth McClintock; Paul Reeberg 1988-7-28 s.n. San Mateo unspecified Comment
  CAS-BOT-BC152873  Rubus parviflorus Mrs. C. H. Thompson 1904-4-23 s.n. San Mateo Goat Ranch Road, near Corte Madera - Santa Cruz Mountain Peninsula 243 Comment
  LA37943  Rubus parviflorus Ira L. Wiggins; 1939-8-12 9296 -A San Mateo Along banks of Gazos Cr. about 5 mi. inland from coast Comment
  UCR141432  Rubus parviflorus June Latting 1975-6-8 s.n. San Mateo Santa Cruz Mtns., Pescasero Road, 8 miles east of highway Calif. Hwy 1 122 Comment
  RSA0035063  Rubus parviflorus W. M. Arbaugh 1968-4-10 238 San Mateo Butano State Park. Comment
  SJSU10411  Rubus spectabilis R. B. Blake 1966-4-10 San Mateo Gazos Cr, Big Basin State Park Comment
Read comments
Dec 7 2010
  CAS-BOT-BC157075  Rubus ursinus J. Clausen 1948-5-9 2081 San Mateo Tunitas Creek road 121 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-BC157104  Rubus ursinus A. D. E. Elmer 1903-6-1 4664 San Mateo Crystal Springs Lake, southern end Comment
  CDA33981  Rubus ursinus D. G. Kelch 2011-3-13 11 .055 San Mateo Near Half Moon Bay along Capistrano Creek. Comment
  POM204330  Rubus ursinus I. L. Wiggins 1929-7-4 3775 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  RSA112366  Rubus ursinus W. R. Dudley 1898-4-15 s.n. San Mateo Searsville. The Santa Cruz Peninsula. Comment
  RSA15290  Rubus ursinus Carl B. Wolf 1927-4-3 258 San Mateo 1 mile above La Honda. Santa Cruz Mountains. Comment
  CAS-BOT-BC157095  Rubus ursinus W. R. Dudley 1897-1-1 s.n. San Mateo Near junction of forks of Butano Cr. Comment
  POM139627  Rubus vitifolius A. D. E. Elmer 1903-06 4664 San Mateo Crystal Springs Lake. Comment
  RSA17951  Rumex acetosella Carl B. Wolf 1927-6-4 s.n. San Mateo Summit of La Honda Grade (Pollen for Dr. Malsger - San Francisco) San Mateo County Comment
  CAS-BOT-BC422292  Rumex californicus Phillip Wheeler 1965-6-8 s.n. San Mateo San Bruno Mountain. Bayshore Comment
  JROH3301  Rumex conglomeratus John Hunter Thomas 1982-6-7 21030 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC421573  Rumex crassus Alice Eastwood 1937-7-25 18887 San Mateo Pebble Beach, Pescadero Comment
  UC1537263  Rumex maritimus Gordon H. True Jr. 1937-10-16 847 San Mateo near Thornton Beach 15 Comment
  CAS-BOT-BC433824  Rumex pulcher Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountain. Guadalupe Road Comment
  CAS-BOT-BC433996  Rumex salicifolius W. R. Dudley 1909-10-10 s.n. San Mateo Santa Cruz Mountain Peninsula. E. shore of N. pond, Crystal Springs Res. Comment
  RSA788844  Rumex salicifolius var. denticulatus Peter Rubtzoff 1980-8-4 9564 San Mateo Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  UC1191283  Rumex salicifolius var. transitorius Malcolm A. Nobs and S. Galen Smith 1949-8-26 1582 San Mateo about 1 mi s Half Moon Bay Comment
  HSC23969  Rupertia physodes Mary Katherine Wicksten 1971-6-24 111 San Mateo Huddart Park, near entrance Comment
  RSA169526  Ruppia cirrhosa H. E. Parks 1928-10 s.n. San Mateo Laguna Salada. Comment
  CAS-BOT-BC454179  Ruppia maritima W. R. Dudley 1908-9-1 s.n. San Mateo Laguna Salada Comment
  SEINET3837363  Ruppia maritima Unknown 1946-4-30 s.n. San Mateo .5 mile north of Redwood City Comment
  JROH5558  Sagina apetala John Rawlings 2013-4-19 1155 San Mateo Jasper Ridge Biological Preserve, Stanford University; verge south side of Trail 11 in a level section in chaparral 144 Comment
  UCD99141  Salicornia rubra Malcolm A. Nobs; S. Galen Smith 1948-12-11 713 San Mateo Highway 101 near shore of bay, at Whipple Avenue intersection, Redwood City. Comment
  SEINET6901955  Salicornia virginica Robert A. Evers, Clara V. Evers 1975-8-24 115026 San Mateo Trailer Villa, Redwood City. Comment
  JROH3856  Salix laevigata W. R. Dudley 1894-7-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Near bridge at Ramsay's above Searsville Comment
  CAS-BOT-BC125367  Salix lasiandra var. lasiandra Peter H. Raven 1964-9-13 19671 San Mateo Half Moon Bay Comment
  CAS-BOT-BC125369  Salix lasiandra var. lasiandra W. R. Dudley 1902-9-21 s.n. San Mateo Near Crystal Springs Lake Comment
  UCD111575  Salix lasiandra var. lasiandra Lewis S. Rose 1965-3-16 65007 San Mateo Searsville Lake. 121 Comment
  CDA34016  Salix lasiolepis D. G. Kelch 2011-3-13 11 .056 San Mateo Near Half Moon Bay along Capistrano Creek. Comment
  RSA178596  Salix lasiolepis L. R. Abrams 1915-3-13 5161 San Mateo Near jct of San Francisquito and Los Trancos creeks. About 2 miles from Stanford University. Comment
  RSA178599  Salix lasiolepis L. R. Abrams 1915-3-13 5162 San Mateo Near jct of San Francisquito and Los Trancos creeks. About 2 miles from Stanford University. Comment
  RSA249478  Salix lasiolepis John F. Emmel 1972-6-4 404 San Mateo Large canyon bottom 1.1 air miles NW of 1314' summit. Along Guadalupe Canyon Parkway. San Bruno Mtns. 107 Comment
  CAS-BOT-BC124493  Salix lasiolepis var. lasiolepis W. R. Dudley 1894-3-23 s.n. San Mateo Corte de Madera Creek, Portola Valley Comment
  CAS-BOT-BC129069  Salix scouleriana A. D. E. Elmer 1903-6-1 4864 San Mateo Iverson's Place on the Pescadero Comment
  POM362921  Salix scouleriana L. S. Rose 1934-2-10 34025 San Mateo Skyline Blvd. 4 miles S Kings Mtn. Comment
  POM87715  Salix sitchensis L. R. Abrams 1902-03 2272 San Mateo [Rim of?] Mountain Comment
  SBBG40540  Salsola soda W. Anderson 1968-8-16 San Mateo W end of Dumbarton Bridge Comment
  POM62858  Salvia columbariae Edward L. Greene 1902-4-6 s.n. San Mateo Crystal Springs Lake, San Mateo County. Comment
  UC138837  Salvia spathacea C. F. Baker 1903-4-6 1878 San Mateo San Bruno Hills San Francisco Comment
  POM284212  Sambucus caerulea Lyman Benson 1933-6-14 4447 San Mateo Menlo Park 61 Comment
  SEINET12286992  Sambucus caerulea Unknown 1933-1 90 San Mateo Comment
  CAS-BOT-BC246027  Sambucus nigra subsp. caerulea A. D. E. Elmer 1903-7-1 4689 San Mateo Portola Comment
  JROH1672  Sambucus nigra subsp. caerulea John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC236451  Sambucus racemosa subsp. racemosa Philip Wheeler 1965-5-18 s.n. San Mateo Base of mountain near Olivet Cemetery, San Bruno Mountain Comment
  CAS-BOT-BC236454  Sambucus racemosa subsp. racemosa Walter Knight; Irja Knight 1964-4-25 1231 San Mateo Power Line Ridge, San Bruno Mountain Comment
  CAS-BOT-BC236456  Sambucus racemosa subsp. racemosa W. R. Dudley 1900-3-16 s.n. San Mateo Ner bridge over Pilarcitos Creek, road to Halfmoon Bay, Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC235074  Sambucus racemosa var. racemosa W. R. Dudley 1893-3-24 s.n. San Mateo Santa Cruz Mountain Peninsula. Pescadero Creek Comment
  JEPS13391  Sambucus racemosa var. racemosa W. L. Jepson 1910-8-17 4157 San Mateo Tunitas Creek; near the sea Comment
  UC889773  Sambucus racemosa var. racemosa L. R. Abrams 1916-3-26 5589 San Mateo road between San Mateo and Half Moon Bay (coast side of grade) Comment
  UCSC005903  Sanicula Randall Morgan 1983-2-15 s.n. San Mateo From large extended population in small ravine between El Corte Madera Creek and Bogess Creek (N of San Gregorio Rd.) Comment
  POM133576  Sanicula arctopoides A. D. E. Elmer 1900-04 2365 San Mateo Kings Mountain. Comment
  SEINET5570625  Sanicula arctopoides H. S. Gentry 1931-1 35 San Mateo Collected 2 miles W of San Bruno. Comment
  JROH319  Sanicula bipinnata Ann Lambrecht 2003-4-9 5 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 11, W edge of trail, around curve SW of Collinsia heterophylla site Comment
  CAS-BOT-BC223327  Sanicula bipinnatifida John H. Thomas 1958-3-19 7067 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco 91 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
  CDA39078  Sanicula crassicaulis M. K. Beyers 2013-3-3 s.n. San Mateo Montara State Beach, McNee Ranch Trail Trailhead. Comment
  JROH344  Sanicula crassicaulis John Hunter Thomas 1986-5-1 23996 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA185818  Sanicula crassicaulis John H. Thomas 1958-3-19 7066 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco 30 Comment
  CAS-BOT-BC166809  Sanicula crassicaulis Peter Rubtzoff 1977-4-14 8938 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  RSA191945  Sanicula crassicaulis R. F. Thorne, P. Everett 1963-6-9 32242 San Mateo On top of San Bruno Mountain. 335 Comment
  JEPS85232  Sanicula hoffmannii Roy E. Buck, James A. West, Roger Raiche 1984-7-29 510 San Mateo on nw-facing slope overlooking Cascade Ck. (e of ranch headquarters, ca 0.8 air km ne of CA Hwy 1, 3.3 air km ne of Point Ano Nuevo); Cascade Ranch 152 Comment
  JROH356  Scandix pecten-veneris John Hunter Thomas 1981-5-14 20578 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4415  Schoenoplectus acutus var. occidentalis John Hunter Thomas 1981-7-12 20698 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC652556  Scirpus cernuus Ira L. Wiggins and Roxana S. Ferris 1939-8-2 9290 San Mateo Ano Nuevo Point Comment
  CAS-BOT-BC176408  Scirpus cernuus var. californicus Peter Rubtzoff; Roman Gankin 1975-5-21 7970 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CDA39140  Scirpus microcarpus I. J. Campbell 1959-4-16 s.n. San Mateo Quadro Ranch, Pescadero. 0 Comment
  POM312852  Scirpus microcarpus H. L. Mason, Verne Grant 1946-8-28 13093 San Mateo 1 mile west of San Bruno between Santa Cruz and Daly City on Highway 5 Comment
  POM169863  Scoliopus bigelovii A. D. E. Elmer 1903-03 4559 San Mateo Kings Mountain Comment
  POM170228  Scoliopus bigelovii C. F. Baker 1902-3-18 322 San Mateo Kings Mountain Comment
  POM292613  Scoliopus bigelovii Lyman Benson 1931-2-28 2611 San Mateo Town: Woodside; Mt. Range: Santa Cruz; River: San Francisquito Cr. 183 Comment
  UC75028  Scoliopus bigelovii C. F. Baker 1902-3-18 322 San Mateo King's Mt. Comment
  CAS-BOT-BC519000  Scoliopus bigelovii J. H. Thomas 1949-3-29 194 San Mateo Kings Mountain Comment
  CAS-BOT-BC519008  Scoliopus bigelovii Harold Block 1926-1-24 s. n. San Mateo Kings Mountain Comment
  CAS-BOT-BC519021  Scoliopus bigelovii C. F. Baker 1902-3-18 322 San Mateo King's Mountain Comment
  JEPS62100  Scoliopus bigelovii Elsa Kraeger 1926-2-21 San Mateo n. La Honda Comment
  SEINET5570939  Scoliopus bigelovii H. S. Gentry 1931-1 20 San Mateo Collected 1.5 miles W of San Mateo, Half-Moon Bay Road. Comment
  SEINET13694890 Image available Scolymus hispanicus T. C. Fuller 1965-7-8 s.n. San Mateo D. McBryde prop., 140 Eleanor Dr., Woodside Comment
  RSA133687  Scrophularia californica John H. Thomas 1949-10-16 1153 San Mateo Along sandstone bluffs, just north of outlet of San Gregorio Creek Comment
  RSA427186  Scrophularia californica subsp. floribunda E. S. Spalding 1923-8-3 s.n. San Mateo 3 miles W of Redwood City, near Pulgas Tunnel. Comment
  CAS-BOT-BC376418  Scrophulariaceae Greg de Nevers 2001-9-26 12630 San Mateo Palo Alto. Comment
  UC76166  Scutellaria tuberosa Milo S. Baker 1904-5-15 San Mateo near Burlingame Comment
  CAS-BOT-BC59056  Sedum spathulifolium G. B. Rossbach 1939-6-18 756 San Mateo Montar Mts, Ledge near no 755 on SE slope of North Peak. 396 Comment
  CAS-BOT-BC364632  Senecio vulgaris George Oberlander 1950-4-23 837 San Mateo San Francisco Watershed Reserve Comment
  CAS-BOT-BC364638  Senecio vulgaris John H. Thomas 1968-12-18 14869 San Mateo About 1 mile west of Pescadero toward the coast Comment
  JROH5834  Senecio vulgaris Ann Lambrecht 2014-4-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. End of Trail 20 (Douglas Iris road) Comment
  CAS-BOT-BC80291  Sequoia sempervirens W. R. Dudley 1902-2-9 s.n. San Mateo Black Mt., Alpine Road Comment
  CAS-BOT-BC80298  Sequoia sempervirens J. H. Thomas 1949-10-16 1141 San Mateo Along La Honda Creek, about 0.7 miles north of La Honda Comment
  JROH134  Sequoia sempervirens John H. Thomas 1964-11-29 10542 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC766822  Sequoia sempervirens R. F. Hoover 1941-2-12 4756 San Mateo above La Honda; La Honda Creek Comment
  UCR19335  Sequoia sempervirens Bernice Bowers 1977-4-4 s.n. San Mateo San Francisco Bay Area, Kings Mtn. Road, 1 mi south of Huddart County Park, 2 mi north of Woodside 549 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
  POM193077  Sequoia sempervirens W. R. Dudley 1902-12-1 s.n. San Mateo Santa Cruz Peninsula: Trail from Iverson s to Bull Spring Comment
  SEINET10612347  Sequoia sempervirens H. Mount 1908-3-28 Mount s.n. 1908 San Mateo Kings Mountain, vicinity of woodside. From the Herbarium of Leland Stanford Jr. University. Comment
  CDA2436  Setaria parviflora E. L. Labadie 1958-7-8 833 -58 San Mateo Redwood City. 0 Comment
  JROH3836  Sherardia arvensis John Hunter Thomas 1989-5-11 24741 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC28466  Sherardia arvensis J. Burtt Davy Jun 21 1893-Jun 23 1893 1154 San Mateo Pilarcitos Lake and Pilarcitos Canyon Comment
  JEPS127780  Sidalcea malviflora subsp. laciniata Adam C. Schneider with C. Matt Guilliams 2013-3-9 34 San Mateo Comment
  JEPS48780  Sidalcea malviflora subsp. laciniata James G. Daly 1934-1 211 San Mateo branch of La Honda Canyon Santa Cruz Mts., , La Honda Canyon (San Gregorio Watershed) Comment
  RSA18461  Sidalcea malviflora subsp. malviflora Carl B. Wolf 1927-6-29 547 San Mateo South of Pebble Beach near Pescadero. Comment
  CAS-BOT-BC386857  Silene gallica Margaret Barry 1937-5-15 144 San Mateo on Coal Mine Ridge Comment
  CAS-BOT-BC386859  Silene gallica George Oberlander 1949-4-23 811 San Mateo Sawyer Ridge Comment
  CAS-BOT-BC389194  Silene laciniata subsp. californica A. D. E. Elmer 1903-6-1 4446 San Mateo Crystal Springs Lake Comment
  JROH1726  Silene laciniata subsp. californica Richard L. Garber 1971-7-13 91 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA477822  Silene scouleri Glenn A. Gorelick 1967-5-12 s.d. San Mateo San Bruno Mts; overlooking Daly City near San Francisco. Comment
  JEPS29396  Silene scouleri subsp. grandis L. R. Heckard 1961-7-16 1265 San Mateo ne transmitting station KQED (summit of San Bruno Mt.); summit San Bruno Mt., ne of transmitting station KQED 335 Comment
  JROH1234  Silybum marianum John Hunter Thomas 1989-5-9 24707 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC364856  Silybum marianum Robert Robertson 1954-4-14 76 San Mateo N.W. of Palo Alto Yacht Club 3 Comment
  CAS-BOT-BC74985  Sinapis arvensis D. D. Davis 1903-3-1 s.n. San Mateo Unspecified. Comment
  JROH4439  Sisyrinchium bellum Donald A. Johansen 1933-5-18 708 San Mateo Jasper Ridge Biological Preserve, Stanford University. Hills above Searsville Lake Comment
  JROH4441  Sisyrinchium bellum John H. Thomas 1967-6-1 12966 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  UCSB16303  Sisyrinchium bellum Schulte, John 1963-4-14 San Mateo Jasper Ridge; 3 mi SW of Stanford Campus; between Clara Valley and main front of Santa Cruz Mountains 152 Comment
  JROH4440  Sisyrinchium bellum John H. Thomas 1964-4-19 10322 San Mateo Jasper Ridge Biological Preserve, Stanford University. Oakwoodland near Searsville end of ridge Comment
  RSA26886  Sisyrinchium bellum R. C. Rollins 1941-3-22 2948 San Mateo 1 mile north of Belmont Comment
  UCD138874  Sisyrinchium bellum R. E. Dengler 1960-4-12 24 San Mateo on northeast side of ravine, Jasper Ridge, Stanford Biological Reserve. 129 Comment
  SEINET5571650  Smilacina racemosa H. S. Gentry 1931-1 San Mateo Comment
  SEINET3888374  Smilacina sessilifolia Lewis S. Rose 1948-3-31 48035 San Mateo Skyline Blvd., W. of Tanforan.; 0 91 Comment
  UCR115445  Smilacina stellata Don Pendleton 1996-4-5 s.n. San Mateo San Francisco Bay region, Edgewood County Park, western edge of Redwood City, along Edgewood Rd. north of the parking lot for the park 122 Comment
  UCR51662  Solanum douglasii R. Ascanio 1988-4-17 s.n. San Mateo E on Gazo Creek Road off Hwy 1, c. 2 mi. north of Ano Nuevo State Reserve 85 Comment
  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
  UC127293  Solanum furcatum Katharine Brandegee 1908-3-8 San Mateo San Pedro Point Comment
  SEINET12274849  Solanum sarachoides E. H. Graham 1931-1 6942 San Mateo Ano Nuevo Pt., S of San Francisco Comment
  CAS-BOT-BC154185  Solanum umbelliferum F. Hemphill 1973-4-15 688 San Mateo San Carlos. North of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC157040  Solanum umbelliferum Walter Knight; Walter Knight 1963-6-24 s.n. San Mateo Quarry 4 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
  CAS-BOT-BC58479  Solanum umbelliferum F. Hemphill 1973-5-6 747 San Mateo San Carlos. N of Malabar Rd. and Melendy Dr. 207 Comment
  JROH4190  Solanum umbelliferum John H. Thomas 1973-3-12 16496 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4191  Solanum umbelliferum John H. Thomas 1975-4-5 17712 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  NY820558  Solanum umbelliferum C. F. Baker 1902-1-15 234 San Mateo West side of King's Mountain Comment
  POM226871  Solanum umbelliferum L. R. Abrams 1914-4-2 5073 San Mateo Woodside Comment
  CAS-BOT-BC157037  Solanum umbelliferum A. Menzies; B. Menzies 1965-3-14 s.n. San Mateo South Power Line Ridge Comment
  CAS-BOT-BC157039  Solanum umbelliferum S. Kawahara 1968-7-29 464 San Mateo Side road off Old Stage Road at south bank of Pomponio Creek 36 Comment
  SEINET3388313 Image available Solidago californica Lewis S. Rose 1932-10-12 32669 San Mateo Kings Mountain Comment
  CAS-BOT-BC365535  Solidago elongata Walter Knight 1964-9-14 s.n. San Mateo Peak Mountain - Montara Range Comment
  JEPS27367  Solidago spathulata Rimo Bacigalupi with J. Roof and L. Heckard 1961-4-24 7627 San Mateo on lateral ridge below and se of end of paved ridge-top road just e KRON television tower and station (on Guadalupe Valley side of the summit of San Bruno Mountain); Guardalupe Valley side of summit San Bruno Mountain 304 Comment
  CAS-BOT-BC365188  Solidago velutina subsp. californica Irja Knight; Walter Knight 1963-10-7 333 San Mateo San Bruno Mountain. Cow Trough Ravine 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
  JROH1237  Solidago velutina subsp. californica John Hunter Thomas 1990-7-28 24938 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  LA203968  Solidago velutina subsp. californica U. S. Grant; 1926-9-6 IV San Mateo Kuiqs Mountain 609 Comment
  CAS-BOT-BC365927  Soliva sessilis John H. Thomas 1964-4-30 10370 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC365929  Soliva sessilis John H. Thomas 1961-5-7 9262 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC365936  Soliva sessilis J. H. Thomas 1954-6-11 4283 San Mateo About 0.25 miles north of Pigeon Point Light House Comment
  JROH1245  Soliva sessilis John Hunter Thomas 1980-5-8 19960 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1252  Soliva sessilis John Hunter Thomas 1989-5-9 24709 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC365931  Soliva sessilis Walter Knight; Irja Knight 1964-5-19 626 San Mateo San Bruno Mountain. On N. Power Line Ridge Comment
  CAS-BOT-BC374696  Sonchus oleraceus Ira L. Wiggins 1979-8-26 22247 San Mateo Alley between Central and Woodland Avenues, running from Pope to Gilbert Streets, Menlo Park Comment
  SD38308  Sonchus oleraceus Edith A. Purer 1932-7-18 San Mateo Half Moon Bay; Comment
  RSA126377  Sorghum bicolor John H. Thomas 1959-11-19 8513 San Mateo Near Bayshore & University Avenue, East Palo Alto Comment
  JROH5525  Sparganium eurycarpum var. eurycarpum John Hunter Thomas 1979-9-9 19724 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Searsville Lake. Comment
  CAS-BOT-BC390009  Spergula arvensis John H. Thomas 1961-5-7 9247 San Mateo Colma. Field near intersection of El Camino Real and F Street 45 Comment
  JROH1743  Spergula arvensis John Hunter Thomas 1978-4-25 19157 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA65493  Spergula arvensis Mabel Peirson 1926-2-24 6520 San Mateo Moss Beach. Comment
  JROH1762  Spergularia John Hunter Thomas 1983-4-3 21309 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lab Comment
  JROH1764  Spergularia John Hunter Thomas 1986-4-30 23984 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1767  Spergularia John Hunter Thomas 1988-4-27 24411 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC166913  Spergularia arvensis Peter Rubtzoff 1976-5-22 8551 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, northwest of Fog Forest. Comment
  CAS-BOT-BC390205  Spergularia bocconi Elizabeth McClintock; Paul Reeberg 1989-6-3 s.n. San Mateo San Bruno Mountains. P.G.&E. Marsh Comment
  CAS-BOT-BC390472  Spergularia macrotheca var. macrotheca G. B. Rossbach; R. P. Rossbach 1940-6-20 738 San Mateo 1 mile south of Montara Point Comment
  CAS-BOT-BC390700  Spergularia rubra John Thomas Howell 1955-5-5 s.n. San Mateo 700 block of Bromfield Road, Burlingame Comment
  RSA18263  Spiranthes romanzoffiana Carl B. Wolf 1927-6-27 460 San Mateo Los Troncos Creek, 2 mi back of Stanford University Comment
  UCR240606  Stachys T. B. Salvato, Lia V. D. Mansfield, Joel-Henry J. Mansfield 2008-6-14 3530 San Mateo Central Coast, Pebble Beach State Beach, 12.5 mi north of Santa Cruz Co. line, along Hwy 1, Pacific Coast Hwy, 1.65 mi south of road to Pesacadero and 16 mi south of Half Moon Bay 11 Comment
  UC1176932  Stachys ajugoides var. rigida Peter H. Raven 1950-5-5 2043 San Mateo Moss Beach 15 Comment
  JROH2910  Stachys bullata John Hunter Thomas 1987-5-19 24294 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2911  Stachys bullata John Hunter Thomas 1990-7-4 24873 San Mateo Jasper Ridge Biological Preserve, Stanford University; along road near picnic area Comment
  SEINET13948127 Image available Stachys rigida Lewis S. Rose 1950-1 50139 San Mateo Emerald Lake region, alt ca 800 ft. hills W of Redwood City 244 Comment
  CAS-BOT-BC164655  Stachys rigida subsp. quercetorum Peter Rubtzoff 1977-6-21 9063 San Mateo San Bruno Mountain. Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction; East Fork Colma Creek Canyon, near upper rim. Comment
  JROH5890  Stachys rigida var. quercetorum Ruth Porter 1998-4-28 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  NY380638  Stachys viarum A. A. Heller 1907-5-28 8581 San Mateo Back of San Mateo on the Half Moon Bay road 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
  JROH1779  Stellaria media John H. Thomas 1968-3-17 14181 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1787  Stellaria media John Hunter Thomas 1983-4-5 21323 San Mateo Jasper Ridge Biological Preserve, Stanford University; low-flow crossing Comment
  JROH1782  Stellaria media John H. Thomas 1976-10-16 18417 San Mateo Jasper Ridge Biological Preserve, Stanford University; along or near San Francisquito Creek from the low flow crossing to the vicinity of the old fire place ruins downstream Comment
  JROH1784  Stellaria media John Hunter Thomas 1981-4-5 20289 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek Comment
  JROH5560  Stellaria nitens John Rawlings 2013-4-19 1154 San Mateo Jasper Ridge Biological Preserve, Stanford University. South side of Trail 11 in a level section in chamise. 136 Comment
  CAS-BOT-BC375910  Stephanomeria virgata Josephine D. Randall 1907-11-9 s.n. San Mateo Santa Cruz Peninsula. Alpine Road to Black Mt. Comment
  JROH5329  Stipa pulchra John H. Thomas 1955-5-6 4995 San Mateo Jasper Ridge Biological Preserve, Stanford University. Small draw on south side of ridge. Comment
  CAS-BOT-BC271638  Symphoricarpos albus var. laevigatus D. E. Breedlove 1974-5-13 36218 San Mateo Brushy slopes San Pedro Valley Park, Pacifica 152 Comment
  CAS-BOT-BC271650  Symphoricarpos albus var. laevigatus Elizabeth McClintock 1964-2-16 s.n. San Mateo Lowe part of Radio Road, San Bruno Mountain Comment
  CAS-BOT-BC271649  Symphoricarpos albus var. laevigatus Elizabeth McClintock 1965-3-28 s.n. San Mateo San Bruno Mountain Comment
  CAS-BOT-BC237060  Symphoricarpos mollis Ned Cahill 1974-5-13 274 San Mateo Near the intersection of Canada and Edgewood Roads, about 3 mi. westward from Redwood City Comment
  CAS-BOT-BC99083  Symphyotrichum chilense Le Roy Abrams 1900-10-1 1042 San Mateo Portola Comment
  CAS-BOT-BC99085  Symphyotrichum chilense W. R. Dudley 1899-12-2 s.n. San Mateo Near the coast between Pebble Beach and White House Creek - Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC376918  Taraxacum officinale Paul Reeberg 1989-5-1 s.n. San Mateo San Bruno Mountains. Junction of Randolph Ave. and Hillside Blvd. Comment
  RSA0036456  Taraxacum officinale Peter Rubtzoff 1977-4-14 8943 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction. East Fork Colma Creek canyon area at the NW corner of Fog Forest, San Bruno Mountains. Comment
  UCSB11176  Taraxia ovata Connelly, Dianne 1962-4-21 San Mateo above main office of Westhorough homes development; 10 miles north of San Francisco on Highway 5 121 Comment
  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
  RSA262237  Tauschia kelloggii John H. Thomas 1971-5-2 15857 San Mateo About 4 miles SW of center of Redwood City; near intersection of Canada and Edgewater roads. 305 Comment
  UCR122916  Tellima grandiflora George K. Helmkamp, E. A. Helmkamp 2001-6-2 6786 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-BC447483  Tellima grandiflora Le Roy Abrams 1901-5-1 1558 San Mateo Searsville-Bear Gultch Comment
  UC1736327  Tellima grandiflora Dean William Taylor 1969-4-13 73 San Mateo 5 mi E of San Gregorio; Highway 85 152 Comment
  UCD96952  Tetragonia tetragonoides Beecher Crampton 1962-6-11 6517 San Mateo Pacifica, Rockaway Beach, State Hwy. 1. Comment
  JROH3504  Thalictrum fendleri var. polycarpum D. D. Davis 1903-4-10 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. On Searsville Ridge Comment
  JROH3507  Thalictrum fendleri var. polycarpum John H. Thomas 1958-5-10 7159 San Mateo Jasper Ridge Biological Preserve, Stanford University. Fairly common along embankment of trail near Searsville Lake. Comment
  UC74944  Thalictrum fendleri var. polycarpum C. F. Baker 1902-5-1 692 San Mateo Crystal Springs Lake Comment
  SEINET3153451  Thymus vulgaris Unknown 1870-4-10 sn San Mateo Mr. Saulmann's garden at San Mateo Comment
  CAS-BOT-BC66663  Thysanocarpus curvipes John H. Thomas 1971-4-3 15745 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  CAS-BOT-BC66665  Thysanocarpus curvipes John H. Thomas 1971-4-24 15775 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  JROH1613  Thysanocarpus curvipes John Hunter Thomas 1987-4-7 24171 San Mateo Jasper Ridge Biological Preserve, Stanford University; below Searsville Dam Comment
  JROH1622  Thysanocarpus curvipes John Hunter Thomas 1991-4-6 24974 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH1624  Thysanocarpus curvipes John Hunter Thomas 1992-4-4 25129 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH1592  Thysanocarpus curvipes subsp. curvipes John Hunter Thomas 1981-4-4 20257 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH379  Torilis arvensis John Hunter Thomas 1990-7-4 24872 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH396  Torilis nodosa John Hunter Thomas 1986-5-15 24045 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH398  Torilis nodosa John Hunter Thomas 1986-5-17 24047 San Mateo Jasper Ridge Biological Preserve, Stanford University; dam to Rattlesnake Rock Comment
  JROH4757  Toxicoscordion fremontii Richard L. Garber 1971-5-18 25 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD39145  Toxicoscordion fremontii Marie Cummings 1933-4-11 13 San Mateo Pescadaro. Comment
  UCR253355  Tragopogon porrifolius A. C. Sanders 2014-8-3 41235 San Mateo San Francisco Bay, South San Francisco, San Francisco Bay Trail in vicinity of S Airport Drive, Utah Ave., and Haskins Way, between Hwy 101 and San Francisco Bay 6 Comment
  UCSB9321  Tragopogon porrifolius J. R. Haller 1950-4-26 193 San Mateo collected in the hillside W of Fraternity Row, in U C S U C S Comment
  RSA134113  Tragopogon porrifolius John H. Thomas 1958-10-28 7493 San Mateo Near intersection of Bayshore Hwy and Main St. Redwood City. Comment
  RSA681672  Trichostema lanatum Deb Annuschka 1989-6-13 230 San Mateo Yerba Buena Herbarium Demonstration Garden. Comment
  JROH3389  Trientalis latifolia John H. Thomas 1961-5-5 9215 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below Searsville Dam 76 Comment
  UCSC010358  Trifolium Dylan M. Neubauer 2016-5-19 690 San Mateo (SnFrB) Santa Cruz Mountains, headwaters of Waterman Creek, w of Hwy 9 423 Comment
  UCSC010360  Trifolium Dylan M. Neubauer 2016-5-19 690 San Mateo (SnFrB) Santa Cruz Mountains, headwaters of Waterman Creek, w of Hwy 9 423 Comment
  UC1129949  Trifolium albopurpureum var. albopurpureum H. S. Yates 1935-5-8 5206 San Mateo 2 mi n Langley Hill 579 Comment
  RSA120983  Trifolium amoenum Paul R. Hichborn 1950-4-25 s.n. San Mateo San Francisquito Creek near Searsville Lake; Santa Cruz Mountain Peninsula Comment
  JEPS128163  Trifolium angustifolium Eric Wrubel 2012-7-1 NPS 43 San Mateo Golden Gate National Recreation Area. Rancho Corral de Tierra, Spine Trail. Comment
  POM88149  Trifolium barbigerum L. R. Abrams 1904-5-5 s.n. San Mateo Jasper Ridge near Stanford University. Comment
  SBBG33477  Trifolium bifidum var. bifidum A. D. E. Elmer -Apr-1903 San Mateo Portola Comment
  JROH2249  Trifolium bifidum var. decipiens John H. Thomas 1955-5-6 5009 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR123140  Trifolium campestre George K. Helmkamp, E. A. Helmkamp 2001-6-2 6766 San Mateo Central Coast, Pillar Point Harbor, about 4 miles north of Half Moon Bay 6 Comment
  POM20410  Trifolium ciliolatum A. D. E. Elmer 1903-05 4789 San Mateo Portola. Comment
  UC16447  Trifolium ciliolatum Alice Eastwood April 1896 San Mateo Crystal Springs Comment
  POM278639  Trifolium depauperatum Lyman D. Benson 1930-5-1 2064 San Mateo Stanford University. 122 Comment
  JROH2273  Trifolium depauperatum var. truncatum John H. Thomas 1974-4-25 17205 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge Comment
  JROH2268  Trifolium depauperatum var. truncatum Sara Thompson 1958-4-12 13 San Mateo Jasper Ridge Biological Preserve, Stanford University; top of Jasper Ridge, near old exclosure Comment
  JROH2230  Trifolium dichotomum John H. Thomas 1964-4-19 10319 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2231  Trifolium dichotomum John H. Thomas 1966-4-22 11574 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU7635  Trifolium dubium D. D. Kohler 1963-4-11 San Mateo by Skyline Blvd, 3 mi N of San Bruno Comment
  SJSU15229  Trifolium fragiferum Toni Corelli 2012-7-12 805 San Mateo Wavecrest, west of Highway 1 in Half Moon Bay 22 Comment
  JROH2288  Trifolium fucatum John H. Thomas 1964-4-19 10321 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SBBG3006  Trifolium fucatum L. S. Rose 1935-5-4 San Mateo open hills, Burlingame Comment
  UC866776  Trifolium fucatum Alice Eastwood 1915-6-13 4720 San Mateo Granada Comment
  SEINET10829824  Trifolium fucatum David D. Keck 1933-5-11 Keck 2295 San Mateo Montara Light House and Radio Station. On level plateau just above the ocean's waves, in loamy soil. Comment
  JROH2314  Trifolium glomeratum Toni Corelli 2012-5-15 374 San Mateo Jasper Ridge Biological Preserve, Stanford University; Road J 115 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
  JROH2317  Trifolium gracilentum John H. Thomas 1971-4-24 15776 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2330  Trifolium hirtum John Hunter Thomas 1988-6-2 24498 San Mateo Jasper Ridge Biological Preserve, Stanford University; beach Comment
  JROH2331  Trifolium hirtum Carol Zabel 1989-4-19 12 San Mateo Jasper Ridge Biological Preserve, Stanford University; Road C Comment
  SBBG39488  Trifolium hirtum L. S. Rose 1970-4-23 San Mateo Skyline Blvd, W of San Mateo 121 Comment
  POM20403  Trifolium microcephalum A. D. E. Elmer 1903-04 4856 San Mateo Portola. Comment
  UC146913  Trifolium microcephalum J. Burtt Davy 1893-6-22 837 San Mateo Lake Pilarcitos Comment
  UC16630  Trifolium microcephalum F. T. Bioletti May 1892 San Mateo Italian Cemetary San Francisco Comment
  POM277915  Trifolium microcephalum Lyman D. Benson 1930-5-1 2050 San Mateo Stanford University. Mt. Range: San Lorenzo. 122 Comment
  UCD109275  Trifolium oliganthum R. Tofsrud 1952-1 2 San Mateo Near Foster. Comment
  SEINET5628487 Image available Trifolium olivaceum Unknown 1907-1 8554 San Mateo Back of San Mateo Comment
  JROH2346  Trifolium subterraneum John Hunter Thomas 1980-4-10 19873 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2351  Trifolium subterraneum John Hunter Thomas 1983-4-3 21312 San Mateo Jasper Ridge Biological Preserve, Stanford University; roadside near Searsville Lab Comment
  JROH2388  Trifolium variegatum John Hunter Thomas 1985-4-11 23523 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET12156854  Trifolium variegatum L. S. Rose 1937-1 37251 San Mateo Burlingame 91 Comment
  UCSC006363  Trifolium variegatum Randall Morgan 1995-6-6 2725 San Mateo Group at Bean Hollow State Beach 2.5 mi S of Pescadero Rd. Comment
  UCSC006388  Trifolium variegatum Randall Morgan 1995-6-22 2796 San Mateo On flat top ridge W of Waterman Creek, Redtree Properties Comment
  UC204145  Trifolium variegatum var. melananthum A. D. E. Elmer May, 1903 4685 San Mateo Portola Comment
  POM226855  Trifolium variegatum var. melananthum L. R. Abrams 1914-4-2 5077 San Mateo Menlo Heights Comment
  RSA349594  Trifolium variegatum var. melananthum L. S. Rose 1937-5-2 37251 San Mateo Burlingame 91 Comment
  JROH5703  Trifolium variegatum var. variegatum John Rawlings 2015-3-15 1356 San Mateo Jasper Ridge Biological Preserve, Stanford University; grassy drainage on ridge-top serpentine prairie. 188 Comment
  UCSC004602  Trifolium vesiculosum Randall Morgan 2004-4-16 4239 San Mateo Dejernosi property NW of Skylanda Comment
  JROH2392  Trifolium willdenovii G. C. Kimber & Lucile Roush 1918-5-2 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2394  Trifolium willdenovii John H. Thomas 1955-5-6 5008 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2397  Trifolium willdenovii John H. Thomas 1967-4-28 12720 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2402  Trifolium willdenovii John H. Thomas 1974-4-12 17144 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2404  Trifolium willdenovii John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2407  Trifolium willdenovii John Hunter Thomas 1981-4-23 20475 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU7998  Trifolium willdenovii M. S. Hall 1965-5-8 136 San Mateo W San Carlos Hills Comment
  CAS-BOT-BC451907  Triglochin maritima Le Roy Abrams 1901-3-1 1145 San Mateo Cooley's Landing Comment
  JROH4734  Trillium chloropetalum John Hunter Thomas 1985-4-25 23570 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1140924  Trillium chloropetalum W. R. Dudley 1900-3-16 San Mateo by trail n. of Tripp's Store Woodside; Santa Cruz Peninsula, Woodside Comment
  UC1206466  Trillium chloropetalum Le Roy Abrams 1902-4-13 2331 San Mateo Crystal Springs Lake Comment
  CDA39377  Trillium chloropetalum A. C. Browne 1950-3-27 72 San Mateo Jasper Ridge. 0 Comment
  JROH4732  Trillium chloropetalum John Hunter Thomas 1980-4-5 19858 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  RSA116750  Trillium chloropetalum var. chloropetalum James I. McMurphy 1902-3-22 s.n. San Mateo Above Portola. Comment
  RSA176413  Trillium chloropetalum var. chloropetalum John H. Thomas 1964-4-19 10330 San Mateo Jasper Ridge Biological experimental area, 5 miles SW of Palo Alto. Comment
  CAS-BOT-BC521006  Trillium chloropetalum var. chloropetalum Janet Jones 1981-1-17 s. n. San Mateo On south side of Montara Mountain, Montara Comment
  CAS-BOT-BC521060  Trillium chloropetalum var. giganteum David D. Keck 1932-3-6 1394 San Mateo La Honda road above Searsville Lake, Santa Cruz Mountains Comment
  CAS-BOT-BC521062  Trillium chloropetalum var. giganteum Walter & Irja Knight 1965-3-21 995 San Mateo San Bruno Mountain Comment
  CAS-BOT-BC521068  Trillium chloropetalum var. giganteum C. F. B. 1902-3-30 431 San Mateo Crystal Springs Lake Comment
  RSA378200  Trillium chloropetalum var. giganteum L. J. Clemments s.n. San Mateo San Mateo Comment
  CAS-BOT-BC133431  Trillium ovatum John Hunter Thomas 1954-4-3 3822 San Mateo Along San Gregorio Creek about 1.5 miles west of La Honda 106 Comment
  CAS-BOT-BC133443  Trillium ovatum D. T. Fullaway 1908-4-1 s.n. San Mateo King's Mountain Comment
  UC142146  Trillium ovatum Dr. E. L. Greene 1902-3-18 329 San Mateo West side King's Mountain, San Mateo County Comment
  CAS-BOT-BC133434  Trillium ovatum L. Smith 1960-4-7 72 San Mateo Huddart State Park, off Highway 5, 50 yards from Pack entrance Comment
  SD39137  Trillium ovatum Marie Cummings 1933-4-11 9 San Mateo Spring Valley. Comment
  CAS-BOT-BC238565  Triphysaria floribunda David D. Keck 1932-5-6 1490 San Mateo Four miles west of Burlingame, on the Skyline Blvd. 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
  UC1012338  Triphysaria floribunda F. W. Pennell and D. D. Keck 1940-5-15 25426 San Mateo Route 101, 4 mi w Burlingame 152 Comment
  JROH4145  Triphysaria pusilla John Hunter Thomas 1986-4-18 23958 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4737  Triteleia hyacinthina John H. Thomas 1967-6-1 12961 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4752  Triteleia laxa John Hunter Thomas 1977-6-16 18777 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4754  Triteleia laxa John Hunter Thomas 1991-5-2 25015 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA6306  Triteleia laxa David D. Keck 1932-5-6 1466 San Mateo Belmont. Comment
  CAS-BOT-BC526359  Triteleia laxa R. R. Hebborn 1920-6-1 288 San Mateo Redwood City, Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC526364  Triteleia laxa Philip C. Wheeler 1965-6-8 s.n. San Mateo Crocker Hills, San Bruno Mountain Comment
  CAS-BOT-BC200486  Triticum aestivum Walter Knight; Irja Knight 1965-4-24 1037 San Mateo Point San Bruno Comment
  UC1241808  Typha angustifolia Malcolm A. Nobs and S. Galen Smith 1949-8-25 1556 San Mateo marshes at Sharp Park; marshes at Sharp Park Comment
  RSA17882  Typha latifolia Carl B. Wolf 1927-6-10 s.n. San Mateo Searsville Lake. Comment
  JROH5538  Typha latifolia John Hunter Thomas 1982-11-6 21202 San Mateo Jasper Ridge Biological Preserve, Stanford University. Delta along edge of Searsville Lake Comment
  CDA4351  Ulex europaeus Ed Finley 1988-12-1 San Mateo Along south side of Hickey Boulevard, to 0.1 east of I-280, Daly City. 0 Comment
  SBBG103948  Ulex europaeus D. Pendleton 1993-10-28 San Mateo San Bruno Mtn Park, 0.3 mi E of the park gate/parking lot on Guadalupe Cyn Parkway Comment
  SD232694  Ulex europaeus Don Pendleton 1993-11-20 San Mateo Daly City, at 333 Hickey Blvd. Comment
  UCR78329  Ulex europaeus Don Pendleton 1993-10-28 s.n. San Mateo San Francisco Bay Area, San Bruno Mountain State/County Park, 0.3 mi. east of the park gate/parking lot on Guadalupe Canyon Parkway 300 Comment
  CDA29899  Ulex europaeus John Beall 2009-11-6 PDR# 1527833 San Mateo In the vicinity of South San Francisco; uphill, along Junipero Serra Boulevard, near King Drive and 100 feet east of Longford Drive. 0 Comment
  SEINET12102550  Umbellularia californica G. A. McCallum 1933-1 s.n. San Mateo near San Francisquita Creek Comment
  CAS-BOT-BC382768  Uropappus lindleyi Margaret A. Barry 1937-5-15 132 a San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC382762  Uropappus lindleyi unspecified Ap-- s.n. San Mateo San Mateo, San Bruno Mts Comment
  CAS-BOT-BC412533  Urtica urens J. H. Thomas 1961-5-6 9225 San Mateo About 1/4 mile west of center of Pescadero 15 Comment
  RSA152074  Urtica urens John H. Thomas 1961-5-6 9225 San Mateo About 0.25 mile west of center of Pescadero. 15 Comment
  CAS-BOT-BC199365  Vaccinium ovatum Elizabeth McClintock 1966-5-1 s.n. San Mateo Kamchatka Point Comment
  CAS-BOT-BC199374  Vaccinium ovatum Eric Walther 1919-8-1 s.n. San Mateo Woodside Comment
  UCD118084  Vaccinium ovatum Janet Jacob 1951-4-1 52 San Mateo On ridge 7 miles east of Pescadero. Comment
  POM131821  Vaccinium parvifolium E. B. Copeland 1903-5-9 3249 San Mateo Big Basin of Pescadero Creek. Comment
  RSA112361  Vaccinium parvifolium W. R. Dudley 1895-9-15 s.n. San Mateo El Corte de Madera, west side., Santa Cruz Range. Comment
  UC22218  Vaccinium parvifolium W. J. V. Osterhout Jul 1899 San Mateo Near Pescadero Comment
  UC306548  Vaccinium parvifolium A. D. E. Elmer May 1903 4924 San Mateo Butano Creek Comment
  CAS-BOT-BC76141  Vancouveria planipetala J. H. Thomas 1954-4-15 3907 San Mateo About 1.5 mile southwest of Searsville Lake. 228 Comment
  CAS-BOT-BC76147  Vancouveria planipetala W. R. Dudley 1903-5-2 s.n. San Mateo Santa Cruz Peninsula. Pescadero Creek near Iverson's. Comment
  CAS-BOT-BC76148  Vancouveria planipetala D. D. Davis 1903-5-2 s.n. San Mateo Near Iverson's on Pescadero Creek. Comment
  JROH4276  Verbena lasiostachys var. scabrida John H. Thomas 1974-10-26 17626 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC563965  Veronica americana Ira L. Wiggins 1935-8-24 8162 San Mateo entering bay at Moss Beach Moss Beach Comment
  JROH5832  Veronica americana Ann Lambrecht, Teri Barry, Nona Chiariello, and Alice Cummings 2014-5-20 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Corte Madera Creek delta of Searsville Lake Comment
  UCD163588  Veronica americana Peter Rubtzoff 1980-8-4 9560 San Mateo San Mateo: San Bruno Mountain. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction, westernmost part of the area on slope across fence. Comment
  UC618588  Vicia benghalensis John Thomas Howell 1938-6-4 13886 San Mateo Burlingame Comment
  SD2655  Vicia cracca Ulysses S. Grant IV 1925-6-4 San Mateo Burlingame Comment
  CHSC23153  Vicia gigantea Robert A. Schlising 1963-2-23 2435 San Mateo Coast Range. 21 miles north of Davenport, along Highway 1. Comment
  UCR101650  Vicia sativa George K. Helmkamp, E. A. Helmkamp 1998-5-16 3749 San Mateo Portola Valley, Golden Hills Rd along Los Trancos Creek 107 Comment
  UCD164424  Vicia sativa subsp. nigra Peter Rubtzoff 1977-6-21 9062 San Mateo San Bruno Mounains. 'Saddle' area on N side of Guadalupe Canyon Parkway west of Radio Road junction, upper part of East Fork Colma Creek Canyon. Comment
  JEPS34465  Vicia sativa subsp. sativa L. R. Heckard, and R. Bacigalupi 1963-7-2 1354 San Mateo nw slope Montara Peak (trail to Montara Peak (nw slope) above old county road) 304 Comment
  UC581528  Viola glabella Herbert L. Mason 1937-4-23 3627 San Mateo La Honda. Comment
  CAS-BOT-BC536574  Viola glabella Peter Rubtzoff 1953-5-14 1351 San Mateo Pilarcitos Creek canyon, 1 to 2 mi downstream from Pilarcitos Lake Comment
  POM286591  Viola ocellata Lyman D. Benson 1931-2-28 2617 San Mateo Town: Woodside; Mt. Range: Santa Cruz; River: San Francisquito Cr. 183 Comment
  RSA130982  Viola ocellata Helen M. Edwards 1917-3-8 s.n. San Mateo Woodside. Comment
  POM134805  Viola pedunculata C. F. Baker 1902-3-22 347 San Mateo South San Francisco. Comment
  HSC21838  Viola pedunculata L. S. Rose 1965-3-25 65009 San Mateo San Bruno Mtns., N end 122 Comment
  SBBG32255  Viola pedunculata L. S. Rose 1968-3-26 68010 San Mateo S base of San Bruno Mtn; South San Francisco 30 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
  POM128418  Viola sempervirens L. R. Abrams 1902-6-7 2260 San Mateo King's Mountain. Comment
  JEPS50233  Viola sempervirens James G. Daly c. 1934 180 San Mateo 4 mi w of Skyline (Upper Corte de Madera Canyon); Santa Cruz Mountains, Upper Corte de Madera Canyon Comment
  SEINET5729332 Image available Viola sempervirens Franklin Martin, Madelain Martin 1960-1 55 San Mateo YMCA camp, 10 miles east of Pescadero.; Pescadero 152 Comment
  CAS-BOT-BC199820  Vulpia John H. Thomas 10616 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC182765  Vulpia bromoides Peter Rubtzoff 1978-5-18 9169 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction and northwest of Fog Forest. Comment
  CAS-BOT-BC199846  Vulpia bromoides W. R. Dudley 1894-5-1 s.n. San Mateo Woodside to Crystal Springs Comment
  CAS-BOT-BC199860  Vulpia bromoides William Lundgren 1974-7-1 s.n. San Mateo San Bruno Mountain Comment
  CAS-BOT-BC199862  Vulpia bromoides George Oberlander 1949-5-13 138 San Mateo South of San Andreas Dam Comment
  RSA254225  Vulpia bromoides Robert A. Norris 1975-3-31 2288 San Mateo Near Crocker Avenue, San Bruno Mountains. Comment
  RSA176602  Vulpia microstachys var. ciliata John H. Thomas 1964-4-5 10296 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Toward Searsville end of ridge. 152 Comment
  CAS-BOT-BC185771  Vulpia myuros subsp. megalura J. H. Thomas 1962-5-12 9859 A San Mateo Franklin Point Comment
  CAS-BOT-BC185774  Vulpia myuros subsp. megalura John H. Thomas 1967-5-2 12812 San Mateo San Bruno Mountain. About 1/4 mile u