Search Results — 2000 specimen records retrieved (1367 records with coordinates)
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Results for search: County=SAN MATEO; Source=All;   

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

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SD12566  Abronia latifolia Edith Purer 1933-7-27 5381 San Mateo Two miles south of Pigeon Point Comment
  SD17519  Abronia latifolia Edith Purer 1933-7-27 5381 San Mateo Two Miles south of Pigeon Point Comment
  SD41440  Abronia umbellata Edith A. Purer 1934-8-14 5915 San Mateo Half Moon Bay. Comment
  CAS-BOT-BC177045  Acacia dealbata J. H. Thomas 1959-11-19 8514 San Mateo Near Bayshore and University Ave., East Palo Alto Comment
  RSA152138  Acaena pinnatifida var. californica Robert F. Thorne, Percy C. Everett 1961-5-7 9254 San Mateo San Bruno Mtn in Northern part of county. 305 Comment
  CAS-BOT-BC451128  Acaena pinnatifida var. californica Elizabeth McClintock; Walter Knight; Irja Knight; Baki Kasapligil 1967-7-18 s.n. San Mateo Near old quarry on area adjacent to the mouth of Colma Canyon; San Bruno Mountains 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
  JEPS62924  Acanthomintha duttonii Harry A. Dutton 1915-5-26 San Mateo Menlo (W of, near Menlo Golf Club), Vicinity of San Francisco Bay Region. Comment
  LA55133  Acanthomintha ilicifolia Harry A. Dutton; Harriet A. Walker 1915-5-29 3819 San Mateo near the Menlo Golf Club Comment
Read comments
Jul 30 2017
  RSA0076541  Acanthomintha obovata subsp. duttonii Fay Gilbert 1920-6-1 s.n. San Mateo Back of Redwood City. Comment
  JROH155  Acer macrophyllum John H. Thomas 1971-4-25 15786 San Mateo Jasper Ridge Biological Preserve, Stanford University 92 Comment
  JROH165  Acer macrophyllum John Hunter Thomas 1992-7-24 25381 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek near the new bridge 87 Comment
  RSA131008  Acer macrophyllum Josephine Randall 1908-3-22 s.n. San Mateo Corte de Madera Canyon near Alpine Road Comment
  RSA131268  Acer macrophyllum Josephine Randall 1906-03 s.n. San Mateo San Francisquito Creek near Stanford University Comment
Read comments
Sep 18 2013
  SEINET12234141  Acer macrophyllum Unknown 1932-1 8932 San Mateo La Honda Road Comment
  CAS-BOT-BC21552  Achillea millefolium John H. Thomas 1955-4-6 4835 San Mateo San Bruno Mountain just north of South San Francisco 91 Comment
  CAS-BOT-BC21577  Achillea millefolium Ned Cahill 1974-4-18 123 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CHSC39835  Achillea millefolium Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  CAS-BOT-BC21595  Achillea millefolium Catherine Toschi 1963-2-23 63 :15 San Mateo San Bruno Mountains above Crocker Avenue 152 Comment
  JROH456  Achyrachaena mollis John H. Thomas 1955-5-6 4981 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH466  Achyrachaena mollis John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM284475  Achyrachaena mollis Arthur L. Cohen 1935-4-21 625 San Mateo Jasper Ridge; Mt.Range: Coast; Watershed: Searsville. 183 Comment
  SEINET11854798  Achyrachaena mollis M. T. Doutt 1931-1 420 b. San Mateo Skyline Blvd, W of Hillbrae Comment
  JROH2056  Acmispon americanus var. americanus John H. Thomas 1971-5-30 15962 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU16007  Acmispon parviflorus Toni Corelli, John Rawlings 2016-5-27 1849 San Mateo Bean Hollow bluff trail, west of Hwy 1 south of Pescadero 8 Comment
  JROH2079  Acmispon strigosus John H. Thomas 1975-4-18 17787 a San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CHSC894  Acmispon wrangelianus A. Koopman 1929-5-9 San Mateo Moss Beach. 7 Comment
  JROH2084  Acmispon wrangelianus John H. Thomas 1955-5-6 4991 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2091  Acmispon wrangelianus John H. Thomas 1961-4-8 9075 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2102  Acmispon wrangelianus John Hunter Thomas 1978-4-25 19152 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET8382562  Adelinia grandis L. E. Detling 1933-3-30 1121 San Mateo Skyline Blvd; [State Highway 35]. Comment
  CAS-BOT-BC139957  Adenostoma fasciculatum L. S. Rose 1941-6-12 41270 San Mateo Emerald Lake, hills west of Redwood City 120 Comment
  JROH3588  Adenostoma fasciculatum var. fasciculatum John H. Thomas 1975-6-5 17939 San Mateo Jasper Ridge Biological Preserve, Stanford University. Chaparral near shack 161 Comment
  JEPS59980  Adiantum aleuticum John D. Daly 1934-1 432 San Mateo upper Corte de Madera Canyon Corte de Madera Canyon Comment
  JROH84  Adiantum aleuticum H. J. Dengler 1965-11-27 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. In the crevice immediately below the west side of the Searsville Dam, and up about 30 feet from the level of the pond below the dam Comment
  CAS-BOT-BC65513  Adiantum aleuticum W. R. Dudley 1896-4-18 s.n. San Mateo Pescadero Creek, Santa Cruz Mts. Comment
  JROH90  Adiantum jordanii John H. Thomas 1976-4-2 18077 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  RSA0030869  Adiantum jordanii Deb Annuschka 1989-8-4 337 San Mateo Isenberg Ranch. Comment
  CAS-BOT-BC202669  Aesculus californica A. D. E. Elmer 1903-6-1 4258 San Mateo Crystal Springs Lake Comment
  RSA18303  Aesculus californica Carl B. Wolf 1927-5-31 413 San Mateo North end of Searsville Lake. Comment
  UCSB17806  Aesculus californica Schulte, John 1963-4-26 San Mateo Jasper Ridge, 3 miles SW of Stanford Campus, between Santa Clara Valley and Santa Cruz Mountains 137 Comment
  SEINET7076092  Agoseris apargioides var. eastwoodiae A. G. Vestal 1955-5-31 s.n. San Mateo Near Pebble Beach off Route 1. (NAD 27; 37.2369? deg. North Latitude, 122.4153? deg. West Longitude, UTM Zone 10, 551863mE, 4121109mN). [GPS Coordinate: WGS84/NAD83]. Comment
  CAS-BOT-BC23025  Agoseris grandiflora var. grandiflora George Oberlander 1949-7-30 333 San Mateo Grassland near San Andreas Lake Comment
  CAS-BOT-BC46127  Agoseris heterophylla Ned Cahill 1974-4-19 142 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JROH489  Agoseris heterophylla John H. Thomas 1970-4-28 15611 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH496  Agoseris heterophylla John Hunter Thomas 1989-5-9 24715 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC15235  Agoseris hirsuta David D. Keck 1932-5-6 1461 San Mateo near Belmont Comment
  CAS-BOT-BC15243  Agoseris hirsuta A. A. Heller 1907-4-25 8458 San Mateo San Bruno Hills Comment
  CAS-BOT-BC15249  Agoseris hirsuta John Thomas Howell 1926-4-24 1925 San Mateo Daly City Comment
  RSA116783  Agoseris hirsuta W. R. Dudley 1901-5-11 s.n. San Mateo Near Colma Comment
  UCSC008504  Agrostis Randall Morgan 2013-5-24 5527 San Mateo Bean Hollow State Beach, on side of trial, a bit beyond #5526 and well beyond wooden bridge Comment
  JROH4780  Agrostis capillaris John Rawlings 2011-6-20 1072 San Mateo Jasper Ridge Biological Preserve, Stanford University. South side of Caretaker Residence. 105 Comment
  JROH5601  Agrostis capillaris John Rawlings 2013-6-26 1204 San Mateo Jasper Ridge Biological Preserve, Stanford University. A few meters from the semaphore grass vernal depression west of Rd. C 121 Comment
  UCD51853  Agrostis capillaris var. aristata John Thomas Howell 1975-9-25 51509 San Mateo San Bruno Mountain. Comment
  CAS-BOT-BC127466  Agrostis densiflora John H. Thomas 1963-5-20 10153 San Mateo Ano Nuevo Island, about 0.5 mile off shore and about 20 miles northwest of Santa Cruz. Comment
  JEPS100764  Agrostis exarata Dean W. Taylor 2000-4-25 17457 San Mateo Montara Mountain (on Montara State Beach), along dirt road 1 mile west from North Peak 411 Comment
  JROH4786  Agrostis exarata John Rawlings 2004-7-23 1042 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 12, south of first footbridge 124 Comment
  RSA119335  Agrostis microphylla S. S. Tillett, I. Sternback 1956-6-25 545 San Mateo On Middleton property S of road to Portola State Park, just before entrance; in secondary redwood forest. 396 Comment
  UCD53056  Agrostis microphylla S. S. Tillett; I. Sternback 1956-6-25 545 San Mateo on Middleton property s. of road to Portola State Park, just before entrance. 396 Comment
  SEINET200165 Image available Agrostis semiverticillata Malcolm A. Nobbs, S. Galen Smith 1949-8-26 1607 San Mateo About 1 mile south of Pigeon Point. Comment
  CAS-BOT-BC138567  Agrostis variabilis W. R. Dudley 1894-7-7 s.n. San Mateo By spring and watering trough halfway up Bear Gulch Road. Comment
  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
  CAS-BOT-BC138231  Aira caryophyllea var. caryophyllea Walter Knight; Irja Knight 1965-5-9 s.n. San Mateo San Bruno Mountain. Devil's Arroyo. Comment
  CAS-BOT-BC138245  Aira caryophyllea var. caryophyllea W. R. Dudley 1899-5-14 s.n. San Mateo Santa Cruz Mountain Peninsula. Top of Sneath Ranch Hills. Comment
  CAS-BOT-BC138250  Aira caryophyllea var. caryophyllea John H. Thomas 1961-5-23 9455 San Mateo Portola State Park, near junction of Peters and Pescadero Creeks. 152 Comment
  SJSU15968  Aira praecox John Rawlings, Toni Corelli 2016-5-27 1848 San Mateo Bean Hollow bluff trail, west of Hwy 1 south of Pescadero 8 Comment
  CAS-BOT-BC177089  Albizia lophantha Phillip C. Wheeler 1965-6-8 s.n. San Mateo [Bay shore] Bayshore, cut area 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
  JROH4569  Allium John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4570  Allium John Hunter Thomas 1983-6-2 22333 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET12049324  Allium amplectens H. L. Mason 1921-1 s.n. San Mateo Jasper Ridge Comment
  CAS-BOT-BC467294  Allium dichlamydeum Philip C. Wheeler 1965-5-8 s.n. San Mateo Sierra Point Comment
  SD39066  Allium falcifolium Marie Cummings 1933-4-14 18 San Mateo Spring Valley. Comment
  CDA928  Allium peninsulare D. G. Kelch, B. G. Baldwin, Sue Bainbridge, Abigail Moore 2005-6-21 5 .366 San Mateo S.F. Water District land, near Spring Valley. NE corner Pilarcitos Lake. Comment
  CAS-BOT-BC132030  Allium peninsulare var. franciscanum L. R. A. 1902-5-4 2411 San Mateo Woodside Comment
  JROH4565  Allium peninsulare var. franciscanum John H. Thomas 1968-5-22 14461 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM169852  Allium peninsulare var. franciscanum A. D. E. Elmer 1903-06 s.n. San Mateo San Mateo Comment
  UC142808  Allium peninsulare var. franciscanum C. F. Baker 1902-5-10 809 San Mateo Crystal Springs Lake Comment
  CDA33772  Allium triquetrum D. G. Kelch 2011-3-13 11 .046 San Mateo Pacifica. Along sea bluffs Comment
  CAS-BOT-BC137916  Alopecurus saccatus James McMurphy 1906-5-8 s.n. San Mateo Pond near head of Crystal Springs Lakes. Comment
  CAS-BOT-BC137919  Alopecurus saccatus W. R. Dudley 1908-6-26 s.n. San Mateo Santa Cruz Mountain Peninsula. Edge of pond west of Scofield Pond. Coal Mine Ridge. Comment
  JROH174  Amaranthus albus John H. Thomas 1964-11-15 10522 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4576  Amaryllis belladonna Toni Corelli 2011-10-4 374 San Mateo Jasper Ridge Biological Preserve, Stanford University. Disturbed area below Douglas' iris site 89 Comment
  SD87531  Ambrosia chamissonis Frank W. Peirson 1925-9-13 6427 San Mateo Rockaway Beach, back of beach Comment
  RSA416939  Ambrosia chamissonis var. chamissonis Edith A. Purer 1933-7-27 5376 San Mateo 2 mi. S of Pigeon Pt. Comment
  CAS-BOT-BC214047  Amsinckia Lewis S. Rose 1933-5-17 33174 San Mateo Redwood City Comment
  JEPS90282  Amsinckia lunaris Dean W. Taylor 1994-5-10 14276 B San Mateo along Crystal Springs Road 0.3 mi e of junction of Tartan Trail (Santa Cruz Mountains, San Mateo Creek drainage); Santa Cruz Mountains, San Mateo Creek drainage 67 Comment
  JROH1350  Amsinckia menziesii John Hunter Thomas 1987-4-4 24169 San Mateo Jasper Ridge Biological Preserve, Stanford University; below Searsville Dam Comment
  CAS-BOT-BC45194  Anaphalis margaritacea Saichi Kawahara 1968-7-29 459 San Mateo Old Stage Road, south bank of Pomponio Creek 36 Comment
  UC1125507  Anaphalis margaritacea T. Tyrrell 1928-9-26 10 San Mateo Pomponio Creek; Santa Cruz Quad. 91 Comment
  CAS-BOT-BC45182  Anaphalis margaritacea John Hunter Thomas 1967-5-2 12803 San Mateo San Bruno Mountain, about 1/4 mile up Market St from new school canyon. Comment
  UCSC004914  Anaphalis margaritacea Monica Larenas 1985-6-1 18 San Mateo Hwy 92, near summit Comment
  RSA19309  Angelica hendersonii L. S. Rose 1937-9-5 37647 San Mateo Mussel Rocks 61 Comment
  JROH188  Angelica tomentosa John Hunter Thomas 1985-5-22 23676 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH189  Angelica tomentosa John Hunter Thomas 1986-5-17 24052 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC273170  Anisocarpus madioides Bruce G. Baldwin 1985-6-22 489 San Mateo 0.4 miles south of junction with Alpine Road along Skyline Road Comment
  CAS-BOT-BC273185  Anisocarpus madioides W. R. Dudley 1894-7-7 s.n. San Mateo Santa Cruz Mountain Peninsula. Summit - head of Bear Gulch Road Comment
  JROH503  Anthemis cotula John Hunter Thomas 1978-7-14 19263 San Mateo Jasper Ridge Biological Preserve, Stanford University; near the low flow crossing of San Francisquito Cr. Comment
  CAS-BOT-BC102287  Anthemis cotula Peter Rubtzoff; Patricia Fallon 1987-8-26 9839 San Mateo San Bruno Mountains. Saddle area on north side of Guadelupe Canyon. Comment
  CAS-BOT-BC102292  Anthemis cotula W. R. Dudley 1893-6-8 s.n. San Mateo Near Cedro Cottage, Stanford University Comment
  CAS-BOT-BC280648  Anthoxanthum occidentale C. F. B. 1902-1-15 247 San Mateo West side King's Mountain Comment
  JROH195  Anthriscus caucalis Richard L. Garber 1971-5-11 9 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC454481  Aphanes occidentalis John H. Thomas 1955-4-6 4847 San Mateo East facing slope of San Bruno Mountain just North of South San Francisco. 91 Comment
  JROH3600  Aphanes occidentalis John H. Thomas 1963-4-17 10036 A San Mateo Jasper Ridge Biological Preserve, Stanford University; near the "riders shack" at the Searsville end of the ridge Comment
  JROH3606  Aphanes occidentalis John Hunter Thomas 1981-4-5 20269 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  CAS-BOT-BC405894  Aquilegia formosa Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo Bitter-cherry Ridge. Comment
  CAS-BOT-BC405858  Aquilegia formosa Paul Arnaud 1941-4-19 s.n. San Mateo Hills - after Hesler farm enterance. Redwood City Comment
  CAS-BOT-BC17328  Arabis blepharophylla A. D. E. Elmer 1903-4-1 4936 San Mateo Santa Cruz Peninsula. San Bruno Hills. Comment
  CAS-BOT-BC17338  Arabis blepharophylla M. P. Johnson 1967-2-26 10016 San Mateo Off Crocker Avenue just south of San Francisco Boundary. Comment
  RSA0125763  Arabis glabra C. B. Wolf 1927-7-14 609 San Mateo Summit of Kings Mountain Rd. Comment
  CAS-BOT-BC128675  Arbutus menziesii W. R. Dudley 1904-4-10 s.n. San Mateo Alpine Road, Corte Madera Creek - Santa Cruz Mountain Peninsula Comment
  JROH1917  Arbutus menziesii John H. Thomas 1967-4-20 12711 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSB11754  Arbutus menziesii Olson, Jim 1962-4-17 San Mateo 1 mile south of La Honda on Skyline Boulevard 670 Comment
  UC1137192  Arctostaphylos G. Ward 1940-8-5 2 San Mateo San Bruno Mt. San Mateo Quadrangle Comment
  UC1212008  Arctostaphylos James Roof 1961-4-18 San Mateo mt. spur 1/4 mi ne summit; San Bruno Mountain 335 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
  UCD50280  Arctostaphylos andersonii Roman Gankin 1959-3-22 324 San Mateo Kings Mountain Road, 1.2 miles east of junction with State Highway 5, ca. 5 miles west of Woodside. Comment
  SEINET12001640  Arctostaphylos andersonii W. R. Dudley 1906-1 5 San Mateo Kings Mt., Santa Cruz Range, Santa Cruz Peninsula 610 Comment
  SEINET11987493  Arctostaphylos andersonii var. imbricata J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4215 San Mateo from Strybing Arboretum, Golden Gate Park, San Francisco, from San Bruno Mountain Comment
  JROH1923  Arctostaphylos crustacea subsp. crustacea L. R. Abrams 1910-8-14 4991 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1932  Arctostaphylos crustacea subsp. crustacea John H. Thomas 1970-7-5 15665 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC24735  Arctostaphylos glandulosa subsp. glandulosa Walter Knight; Roger Raiche 1982-1-23 4421 San Mateo San Bruno Mtn. Buckeye Canyon on Oak Ridge. 103 Comment
  RSA130907  Arctostaphylos hookeri subsp. hookeri E. K. Balls 1958-7-19 23563 San Mateo State Highway 5, 2 miles NW of junction with road from Big Basin State Park 671 Comment
  CAS-BOT-BC24497  Arctostaphylos imbricata Peter H. Raven 1950-2-25 1383 San Mateo W. end of ridge behind NBC station, San Bruno Mtns. 457 Comment
  JEPS98830  Arctostaphylos imbricata James Roof May 1961 San Mateo San Bruno Mountain 400 Comment
  UC1137193  Arctostaphylos imbricata G. Ward 1940-8-5 San Mateo San Bruno Mt. San Mateo Quadrangle Comment
  UC1177376  Arctostaphylos imbricata Peter H. Raven 1951-2-18 2733 San Mateo summit ridge San Bruno Mountains Comment
  RSA380888  Arctostaphylos montaraensis Roman Gankin, W. Richard Hildreth 1966-5-17 738 San Mateo Montara Mountain Comment
Read comments
Mar 6 2010
  SBBG83970  Arctostaphylos montaraensis R. Gankin 1966-5-17 740 b San Mateo Montara Mtn Comment
  UC21804  Arctostaphylos montaraensis J. Burtt Davy 1895-4-20 1049 San Mateo Lake Pilarcitos Comment
  UC202540  Arctostaphylos nummularia W. R. Dudley 1899-1-2 San Mateo on hills between Butano Creek and Little Butano Creek Comment
  RSA633499  Arctostaphylos pacifica Jon E. Keeley 1996-6-24 27573 San Mateo On knob below end of paved road at top of San Bruno Mountain. 350 Comment
  RSA0042504  Arctostaphylos pacifica Gary D. Wallace 1975-12-26 1517 San Mateo San Bruno Mountains, east slope, near parking lot at top of Radio Road. 396 Comment
  CAS-BOT-BC44704  Arctostaphylos regismontana Mrs. E. C. Sutliffe 1934-2-2 s.n. San Mateo Kings Mountain Comment
  CAS-BOT-BC44744  Arctostaphylos regismontana Mrs. E. C. Sutliffe 1934-2-2 s.n. San Mateo Kings Mountain Comment
  POM131773  Arctostaphylos regismontana C. F. Baker 1902-1-15 271 San Mateo Kings Mountain. West side of King's Mountain. Comment
  POM132205  Arctostaphylos regismontana A. D. E. Elmer 1903-03 4537 San Mateo Kings Mountain. Comment
  RSA0089798  Arctostaphylos regismontana Dean Wm. Taylor 2016-3-30 21632 San Mateo Kings Mountain Road; under PG&E transmission powerlines just north of the road along the entrance road to the Archery Range. 557 Comment
  RSA40324  Arctostaphylos regismontana L. S. Rose 1947-3-11 47028 San Mateo Kings Mountain, Type Locality. 609 Comment
  RSA636749  Arctostaphylos regismontana Jon E. Keeley, Melanie Baer Keeley 1993-9-8 24635 San Mateo NW side of Montara Mtn. 150 Comment
  UC1120835  Arctostaphylos regismontana A. E. Wieslander and B. O. Schreiber 1940-3-5 10 San Mateo road from Woodside to King's Mt.; Santa Cruz Quadrangle 609 Comment
  UC1120843  Arctostaphylos regismontana G. E. Sindel 1935-10-16 380 San Mateo 1 1/8 mi wnw Sierra Moreno; Santa Cruz Quadrangle Comment
  UC1543114  Arctostaphylos regismontana Donald G. Nelson 1938-11-13 592 San Mateo on Skyline Blvd n summit of Kings Mountain Comment
  UC549743  Arctostaphylos regismontana J. E. Adams 1935-4-7 1044 San Mateo Skyline Blvd. Comment
  CAS-BOT-BC44667  Arctostaphylos sensitiva T. J. B. 1913-3-14 s.n. San Mateo South side of Chrystal Springs Lake on Road this side of Rand's store Comment
  SEINET11989291  Arctostaphylos tomentosa S. W. Edwards 1982-1 s.n. San Mateo Foothill Park near summit of SW ridge Comment
  JEPS48594  Arctostaphylos tomentosa subsp. crustacea James G. Daly 1934-1 543 San Mateo San Gregorio watershed Santa Cruz Mts. (sw San Mateo Co.) Comment
  RSA636841  Arctostaphylos tomentosa subsp. crustacea Jon E. Keeley, Melanie Baer-Keeley 1993-9-8 24653 San Mateo NW side of Montara Mtn. 150 Comment
  RSA636848  Arctostaphylos tomentosa subsp. crustacea Jon E. Keeley, Melanie Baer-Keeley 1993-9-8 24648 San Mateo NW side of Montara Mtn. 150 Comment
  UC82985  Arctostaphylos tomentosa subsp. crustacea C. F. Baker 1902-3-18 327 San Mateo King's Mountain Comment
  CAS-BOT-BC46830  Arctostaphylos uva-ursi Peter H. Raven 1951-2-18 2732 San Mateo Summit ridge of San Bruno Mts. Comment
  SBBG83967  Arctostaphylos uva-ursi R. Gankin 1959-3-25 328 San Mateo San Bruno Mtn, S San Francisco, 0.25 mi E of KRON TV transmitter Comment
  UCR58388  Arctostaphylos uva-ursi subsp. coactilis Walter Knight 1980-4-28 3735 San Mateo Original collected in 1963 by James Roof from Powerline Ridge, San Bruno Mt. (Tilden Botanic Garden, Berkeley) Comment
  SEINET11987302  Arctostaphylos uva-ursi var. coactilis J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4208 San Mateo Strybing Arboretum, Golden Gate Park, San Francisco, orig. from upper Cable Ravine, San Bruno Mts 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
  SEINET11989283  Arctostaphylos uva-ursi var. suborbiculata W. Knight, Knight, I.; McClintock, E. 1982-1 4444 San Mateo Kamchatka Point, San Bruno Mt Comment
  SEINET11989301  Arctostaphylos uva-ursi var. suborbiculata W. Knight, Knight, I.; McClintock, E. 1982-1 4442 San Mateo Kamchatka Point, San Bruno Mt Comment
  CAS-BOT-BC47704  Armeria maritima subsp. californica John R. Berth 1963-5-23 40 San Mateo Pigeon Point 3 Comment
  POM204327  Armeria maritima subsp. californica I. L. Wiggins 1929-7-4 3801 San Mateo Pescadero Beach Comment
  RSA18369  Armeria maritima subsp. californica Carl B. Wolf 1927-6-29 539 San Mateo South of Pebble Beach near Pescadero. Comment
  RSA523911  Armeria maritima subsp. californica Gordon H. True Jr. 1936-6-7 485 San Mateo 4 miles S of Pescadero. 15 Comment
  SD39619  Armeria maritima subsp. californica Edith A. Purer 1933-7-27 5358 San Mateo Pigeon Point. Comment
  UCSB11750  Armeria maritima subsp. californica Olson, Jim 1962-4-13 San Mateo 1 mile south of Halfmoon Bay on U.S. Highway 101 15 Comment
  RSA116672  Arnica discoidea W. R. Dudley 1894-05 s.n. San Mateo San Mateo County: Woodside to Crystal Springs Reservoir Comment
  JROH4838  Arrhenatherum elatius John Rawlings 2008-5-7 1021 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along Road L in disturbed grassy area, under large valley oak. 107 Comment
  POM288964  Artemisia biennis Lyman Benson 1928-11-25 788 San Mateo Stanford Univ-- Lake Searsville. Santa Cruz Mts. 152 Comment
  SD87616  Artemisia californica Frank W. Peirson 1925-9-13 6429 San Mateo Rockaway Beach Comment
  CAS-BOT-BC93935  Artemisia douglasiana Gordon H. True 1937-7-23 803 San Mateo Along Salada Beach - Skyline Blvd. Road Comment
  SBBG33991  Artemisia douglasiana L. S. Rose 1969-8-8 69090 San Mateo Skyline Blvd and Half Moon Bay Rd, Cahill Ridge 243 Comment
  SEINET10958279  Artemisia douglasiana Lewis S. Rose 1965-9-4 Rose 65101 San Mateo Skyline Blvd. & Half Moon Bay Road, Cahill Ridge, moist slopes. 244 Comment
  UC484308  Artemisia pycnocephala C. B. Wolf 1930-11-5 1806 San Mateo along coastal bluffs s of Pescadero 7 Comment
  UC141855  Asarum caudatum Dr. E. B. Copeland 1903-5-9 3250 San Mateo Mountains beyond Pescadero Creek 304 Comment
  POM268915  Asclepias cordifolia Lyman Benson 1930-5-3 s.n. San Mateo Above Woodside, La Honda Grade 244 Comment
  RSA184853  Asclepias fascicularis L. S. Rose 1965-8-27 s.n. San Mateo Emerald Lake, West of Redwood City 122 Comment
  SEINET5923013 Image available Asclepias fascicularis L. S. Rose 1965-1 65092 San Mateo Emerald Lake, W of Redwood City. Comment
  UCR254760  Aster chilensis Peter Rubtzoff 1975-9-11 8376 San Mateo San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 213 Comment
  UCR254764  Aster chilensis Peter Rubtzoff, Roman Gankin 1975-9-11 8377 San Mateo San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 213 Comment
  POM288898  Aster radulinus Lyman Benson 1937-7-25 8469 San Mateo Lake Searsville; Mt. range: Santa Cruz; Drainage area: San Francisco Bay. 122 Comment
  SEINET946262  Asteraceae L. S. Rose 1948-1 48235 San Mateo Hills W. of Belmont 183 Comment
  CAS-BOT-BC186756  Astragalus gambelianus George Oberlander 1950-4-22 786 San Mateo San Andreas Valley Comment
  CAS-BOT-BC186759  Astragalus gambelianus Margaret A. Barry 1937-5-8 60 San Mateo On Coal Mine Ridge Comment
  CAS-BOT-BC186767  Astragalus gambelianus James McMurphy 1906-5-8 s.n. San Mateo Head of Crystal Springs Lake Comment
  SEINET948337  Astragalus gambelianus Lewis S. Rose 1956-1 56113 San Mateo Skyline Blvd., hills w. of San Mateo 183 Comment
  POM16331  Astragalus nuttallii C. F. Baker 1903-6-30 3358 San Mateo Pillar Point Comment
  SD40165  Astragalus nuttallii var. virgatus Edith A. Purer 1933-7-27 5356 San Mateo High stabilized sand dunes, Pigeon Point. Comment
  CAS-BOT-BC194431  Astragalus nuttallii var. virgatus Phillip C. Wheeler 1965-8-16 s.n. San Mateo The great Meadow adjacent to Radio Road, San Bruno Mountain Comment
  JEPS54799  Astragalus pycnostachyus William S. Cooper 1925-5-28 17 San Mateo Tunitas Comment
  CDA26740  Astragalus pycnostachyus var. pycnostachyus T. C. Fuller 1967-8-23 16295 San Mateo West of coast highway (Highway 1), 1 mile northwest of Pescadero. 0 Comment
  CAS-BOT-BC170571  Atriplex J. H. Thomas 1958-10-21 7486 San Mateo Near intersection of Bayshore highway and Main Street, Redwood City. Comment
  JEPS10202  Atriplex californica Rimo Bacigalupi with G. T. Robbins 1954-6-18 4555 San Mateo 2.5 mi sw Pescadero (edge of beach at foot of sea cliff Pebble Beach); Pebble Beach, sw of Pescadero Comment
  RSA478440  Atriplex rosea L. M. Booth 1932-10-29 2112 San Mateo S. San Francisco. Comment
  UC463562  Atriplex triangularis L. R. Abrams and I. L. Wiggins 1930-11-13 175 San Mateo Skyline Blvd. 1 mi sw Colma; sw of Colma Comment
  JROH4840  Avena barbata John H. Thomas 1967-5-12 12870 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA291577  Avena barbata T. C. Fuller 1971-6-10 19879 San Mateo 1.6 km. east of the San Gregorio. Comment
  CAS-BOT-BC145960  Avena fatua Elizabeth McClintock; Paul Reeberg 1989-3-19 s.n. San Mateo San Bruno Mountains. Shearwater. 91 Comment
  JROH4846  Avena fatua W. Lennihan 1990-4-2 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Across parking lot from picnic tables. Comment
  RSA138195  Avena fatua H. A. Borthwick 1920-4-7 s.n. San Mateo Fields near San Fransquito Creek. Comment
  RSA226539  Baccharis douglasii E. K. Balls 1969-9-18 12172 San Mateo 5 miles south of junction Highway 84 and Highway 35 along La Honda Road. Comment
  SJSU15816  Baccharis glutinosa John Rawlings, Ken Hickman 2016-7-21 1901 San Mateo Serpentine seep area (Fountain thistle seep) up-slope from the Hwy 92 west onramp to Hwy 280 north; down-slope from San Francisco Watershed fence line 122 Comment
  CAS-BOT-BC99514  Baccharis pilularis John H. Thomas 1969-10-19 15483 San Mateo near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  CAS-BOT-BC99533  Baccharis pilularis David D. Keck 1931-10-5 1283 San Mateo 1 mile north of Salada Beach Comment
  CAS-BOT-BC99539  Baccharis pilularis P. C. Everett 1934-8-19 6068 San Mateo Pescadero 198 Comment
  POM350434  Baccharis pilularis L. S. Rose 1936-8-16 36712 San Mateo Granada 15 Comment
  SD30702  Baccharis pilularis Edith A. Purer 1932-7-18 4022 San Mateo Near Pigeon Point Comment
  UC942901  Baccharis pilularis Lewis S. Rose 1949-9-20 49182 San Mateo Sharp Park Comment
  JROH547  Baccharis pilularis subsp. consanguinea John H. Thomas 1964-11-29 10547 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC16618  Barbarea orthoceras Javier Penalosa 1963-3-9 2697 San Mateo San Bruno Mountains. Ravine 0.5 mile east of 1314 foot summit. 304 Comment
  CAS-BOT-BC16622  Barbarea orthoceras Fred Hemphill 1973-3-1 703 San Mateo San Carlos. Area north of Malabar Road and Melendy Drive. 207 Comment
  CAS-BOT-BC16632  Barbarea orthoceras Catherine A. Toschi 1963-3-17 63 :63 San Mateo East slope San Bruno Mountains below radio station. 213 Comment
  JROH1442  Barbarea orthoceras John H. Thomas 1973-6-15 16843 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3914  Bellardia trixago John H. Thomas 1974-5-19 17382 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low flow crossing Comment
  JROH3920  Bellardia trixago John Hunter Thomas 1980-5-8 19937 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3926  Bellardia trixago John Hunter Thomas 1987-5-19 24291 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low flow crossing Comment
  UCR101678  Bellardia trixago George K. Helmkamp, E. A. Helmkamp 1998-5-16 3737 San Mateo Portola Valley, Golden Hills Rd along Los Trancos Creek 107 Comment
  CDA6266  Bellardia trixago T. C. Fuller 1967-6-13 15944 San Mateo South side of road to Half Moon Bay, 0.7 mile west of Skyline Boulevard, Crystal Springs. 0 Comment
  UC1543196  Bellis perennis Donald G. Nelson 1940-7-7 696 San Mateo on road from Half Moon Bay to San Mateo Pilarcitos Creek 76 Comment
  CAS-BOT-BC75877  Berberis pinnata John H. Thomas 1962-4-24 9846 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  UC306615  Berberis pinnata A. D. E. Elmer April, 1903 4820 San Mateo San Bruno Hills Comment
  JEPS121478  Berberis pinnata subsp. pinnata Adam C. Schneider with C. Matt Guilliams 2013-3-9 38 San Mateo Crystal Springs Reservoir Comment
  JROH1322  Berberis pinnata subsp. pinnata John Rawlings 2007-4-1 0909 San Mateo Jasper Ridge Biological Preserve, Stanford University. Intersection Trail 1 and Trail 5. 84 Comment
  POM312413  Berula erecta S. Galen Smith, Malcolm A. Nobs 1949-8-25 1561 San Mateo Shark Park Comment
  UCR251686  Beta vulgaris Detlef Bartsch 2014-6-13 s.n. San Mateo Menlo Park, Bayfront Park at Marsh Road 3 Comment
  CAS-BOT-BC66301  Blechnum spicant H. L. Mason 1921-7-1 s.n. San Mateo Butano Creek Comment
  UC42859  Blechnum spicant F. P. McLean May 1873 San Mateo Pescadero Comment
  POM32550  Boisduvalia densiflora var. densiflora A. D. E. Elmer 1903-06 4273 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC31089  Bolboschoenus maritimus Ira L. Wiggins 1973-7-29 22056 San Mateo Sandy bed of of San Francisquito Creek, ca 80 m upstream from Pope St Bridge Comment
  CAS-BOT-BC31091  Bolboschoenus maritimus Roxana S. Ferris 1920-8-11 2037 San Mateo Salt marsh near end of Embarcadero Road, Palo Alto Comment
  CAS-BOT-BC95346  Bowlesia incana C. F. Baker 1902-4-12 510 San Mateo La Honda Comment
  CAS-BOT-BC95348  Bowlesia incana Ned Cahill 1975-1-8 391 San Mateo Near jct. of Canada and Edgewood roads, about 3 mi. W of Redwood City Comment
  POM133483  Bowlesia incana C. F. Baker 1902-4-12 510 San Mateo La Honda. Comment
  RSA119849  Bowlesia incana Hester R. Davis 1920-4-6 s.n. San Mateo Near San Francisquite Creek. Comment
  CDA36483  Brachypodium sylvaticum Ellen Gartside 2011-7-18 s.n. San Mateo Woodside; on deer trail north east from trail below Old La Honda Road. Comment
  JROH5658  Brachypodium sylvaticum John Rawlings 2014-7-23 1267 San Mateo Jasper Ridge Biological Preserve, Stanford University; along downhill verge of Rd G between Rd C and the first small drainage crossing Rd G 108 Comment
  JROH1457  Brassica nigra D. E. Breedlove 1971-5-31 19364 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  RSA0084271  Brassica nigra John H. Thomas 1963-8-4 10234 San Mateo About 2.5 miles inland from San Gregorio along the highway Comment
  SEINET4326828 Image available Brassica rapa Lyman Benson 1939-7-1 San Mateo San Francisco, San Francisco City limits, Skyline Boulevard. 30 Comment
  UCR136582  Brassica rapa George K. Helmkamp, E. A. Helmkamp 1999-6-28 5014 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-BC145494  Briza maxima Phillip C. Wheeler 1965-4-27 s.n. San Mateo San Bruno Mountain. Sierra Point. Comment
  JROH4874  Briza maxima John Hunter Thomas 1989-5-5 24657 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC145343  Briza minor A. D. E. Elmer 1903-5-1 4912 San Mateo Crystal Springs Lake. Comment
  CHSC57109  Briza minor Steven Triano; Josephine Boyd 1988-5-24 197 San Mateo Located ca 750 ft s of Hwy. 1 and 2.9 mi s of Pigeon Point Light Station. 24 Comment
  JROH4889  Briza minor John Hunter Thomas 1983-6-2 22334 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM199078  Briza minor A. D. E. Elmer 1903-05 4912 San Mateo Crystal Springs Lake. Comment
  POM204993  Briza minor E. B. Copeland 1903-5-24 3257 San Mateo Along Crystal Springs Lake Comment
  RSA149176  Briza minor John H. Thomas 1961-5-13 9344 San Mateo Coastal sand dunes at Franklin Point. Comment
  SD227692  Briza minor G. K. Helmkamp, E. A. Helmkamp 1998-5-16 3747 San Mateo Portola Valley: Golden Hills Rd along Los Trancos Creek. 106 Comment
  SEINET4183120 Image available Briza minor A. A. Beetle 1941-4-20 1738 San Mateo Near San Carlos. Comment
  UCD57379  Briza minor D. H. Hartmann 1941-4-26 s.n. San Mateo West of Palo Alto. Comment
  UCD57381  Briza minor A. A. Beetle 1941-4-20 1738 San Mateo Near San Carlos. Comment
  JROH5753  Briza minor M. Day 1982-5-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Whiskey Hill Gate Comment
  SD631  Brodiaea coronaria Ulysses S. Grant IV 1925-6-10 San Mateo Hillsborough. Comment
  CAS-BOT-BC484346  Brodiaea elegans subsp. elegans J. H. Thomas 1960-6-8 8774 A San Mateo Dry roadbank between Stanford and Searsville along San Hill road Comment
  CAS-BOT-BC484349  Brodiaea elegans subsp. elegans W. R. Dudley 1893-5-27 s.n. San Mateo By road to Searsville Comment
  SBBG39527  Brodiaea terrestris subsp. terrestris L. S. Rose 1970-4-8 70024 San Mateo Black Mtn, W of San Mateo 121 Comment
  UC72476  Brodiaea terrestris subsp. terrestris Milo S. Baker 1904-5-15 San Mateo near Burlingame Comment
  CAS-BOT-BC483177  Brodiaea terrestris subsp. terrestris Mary Helen Kelson 1956-4-22 138 San Mateo On Alberta Way, Hillsborough, 1 mile from Sklyine Blvd. Comment
  CAS-BOT-BC483185  Brodiaea terrestris subsp. terrestris Philip C. Wheeler 1965-5-25 s.n. San Mateo Brisbane Ridge, south of power lines, San Bruno Mountain Comment
  CAS-BOT-BC144138  Bromus John H. Thomas 1962-4-24 9848 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  CAS-BOT-BC144142  Bromus John Thomas Howell 1955-4-27 s.n. San Mateo 0.3 mile north of Dam, Crystal Springs Road, on west side. Comment
  CAS-BOT-BC144143  Bromus Ned Cahill 1974-4-29 189 San Mateo Near the intersection of Canada and Edgewood roads, about 3 miles westward from Redwood City. Comment
  UCD57754  Bromus berteroanus Margaret Joy Marshall 1977-4-9 s.n. San Mateo San Mateo. Canada and Edgewood Rd. Comment
  CAS-BOT-BC183618  Bromus carinatus Peter Rubtzoff 1978-4-2 9152 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  RSA159425  Bromus carinatus John H. Thomas 1961-5-14 9374 B San Mateo Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. San Francisco Watershed Reserve. 152 Comment
  SBBG32439  Bromus carinatus L. S. Rose 1963-4-27 63003 San Mateo Skyline Blvd, W of San Mateo 91 Comment
  UCD58019  Bromus carinatus L. R. Abrams 1902-5-11 2X 62 San Mateo Crystal Springs. Comment
  UCD58280  Bromus carinatus Elizabeth Wilson 1940-6-19 s.n. San Mateo Woodside Mountains. Comment
  CAS-BOT-BC148982  Bromus carinatus var. carinatus George Oberlander 1950-4-22 753 San Mateo San Francisco Watershed Reserve. San Andreas Valley. Comment
  CAS-BOT-BC148983  Bromus carinatus var. carinatus Le Roy Abrams 1902-5-11 2462 San Mateo Crystal Springs. Comment
  CAS-BOT-BC148990  Bromus carinatus var. carinatus John H. Thomas 1961-5-7 9256 San Mateo San Bruno Mountain in northern part of county. 914 Comment
  CAS-BOT-BC149016  Bromus carinatus var. carinatus Walter Knight; Irja Knight 1965-4-25 s.n. San Mateo San Bruno Mountain. Owl's Canyon. Comment
  CAS-BOT-BC149019  Bromus carinatus var. carinatus R. E. Frenkel 1963-12-7 327 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-BC149024  Bromus carinatus var. carinatus Dean Wm. Taylor 1988-3-30 9492 San Mateo Santa Cruz Mountains. San Bruno Mountains, northern slope of southeast ridge of the mountain, near the ridgecrest. 237 Comment
  JROH4895  Bromus carinatus var. carinatus John Hunter Thomas 1977-6-16 18740 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4903  Bromus carinatus var. carinatus W. Lennihan 1990-4-4 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Going north on fire road from Goya, before serpentine, 40 yards to right up small hill, middle of oaks, 50 yds from turn by blue oaks. Comment
  CAS-BOT-BC148771  Bromus carinatus var. marginatus Ira L. Wiggins 1928-4-15 2923 San Mateo La Honda road above Woodside. Comment
  CAS-BOT-BC156178  Bromus catharticus Elizabeth McClintock; Paul Reeberg 1989-8-19 s.n. San Mateo San Bruno Mountains. PG&E Marsh. 22 Comment
  CDA1794  Bromus diandrus Wm. Davis 1958-5-13 San Mateo Joos Nursery, Colma 0 Comment
  JEPS26837  Bromus madritensis subsp. madritensis Rimo Bacigalupi with L. Heckard 1961-5-14 7700 San Mateo near s end of Crystal Springs Lake along Canada Road, about San Francisco's Pulgas Water Temple Crystal Springs Lake; , Canada Road 95 Comment
  JROH5604  Bromus madritensis subsp. madritensis John Rawlings 2013-4-2 1148 San Mateo Jasper Ridge Biological Preserve, Stanford University; along Trail 11 ten meters west of the upper footbridge 129 Comment
  JROH4955  Bromus madritensis subsp. rubens John Rawlings 2013-4-9 1146 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along brick path leading from visitor parking to Sun Field Station. 120 Comment
  JROH4959  Bromus madritensis subsp. rubens John Rawlings 2013-5-7 1182 San Mateo Jasper Ridge Biological Preserve, Stanford University. Road L near the Searsville School sign. 107 Comment
  UCSC007724  Bromus maritimus Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  SEINET10523819  Bromus rigidus Delzie Demaree 1932-4-27 Demaree 9021 San Mateo Mud lakes, Los Francos Woods. Comment
  SEINET10954096  Bromus rubens Robert A. Norris 1977-5-2 Norris 3568 San Mateo Locally abundant in disturbed soil on gravelly bank by Interstate Hwy. 280, just S of Farmhill Blvd. Exit, Woodside, San Mateo Co., California. Comment
  CAS-BOT-BC185393  Bromus vulgaris W. R. Dudley 1895-6-7 s.n. San Mateo Santa Cruz Mountain Peninsula. Top of Ridge between Butano and Pescadero Creek. Comment
  JROH4970  Bromus vulgaris W. H. Lennihan 1989-6-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. San Francisquito Creek trail. Comment
  CAS-BOT-BC233706  Buddleja davidii J. H. Thomas 1958-6-26 7288 San Mateo 3 miles north of Woodside along Canada Road 152 Comment
  CAS-BOT-BC233709  Buddleja davidii John H. Thomas 1960-6-25 8794 San Mateo Along or near a small creek running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street, Redwood City 7 Comment
  CAS-BOT-BC36954  Cakile maritima var. maritima Reed Clark Rollins 1942-11-4 3032 San Mateo Miramar Beach, about 5 miles north of Half Moon Bay. Comment
  CAS-BOT-BC185305  Calamagrostis koelerioides N. K. Carlson 1935-6-14 54 San Mateo 0.5 mile west of Hollow Tree Camp, north of Big Basin. 640 Comment
  CAS-BOT-BC185142  Calamagrostis nutkaensis Elizabeth McClintock; Carlyn Halde; Walter Knight; Walter Knight 1963-6-23 s.n. San Mateo San Bruno Mountain. Lower part of Colma Canyon. Comment
  JEPS127783  Calandrinia ciliata Adam C. Schneider with C. Matt Guilliams 2013-3-9 54 San Mateo Comment
  SD38112  Calandrinia ciliata Marie Cummings 1933-5-3 69 San Mateo 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-BC438539  Calandrinia ciliata John H. Thomas 1974-4-11 17128 San Mateo To the SE of Canada Road and Edgewood Road. NW of Woodside. 152 Comment
  CAS-BOT-BC167301  California macrophylla W. R. Dudley 1896-4-17 s.n. San Mateo Pescadero Comment
  JROH1632  Callitriche marginata John H. Thomas 1968-3-17 14193 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1641  Callitriche marginata John H. Thomas 1974-4-4 17079 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA137260  Callitriche verna A. D. E. Elmer 1903-06 4279 San Mateo Lake San Andreas. Comment
  UC672162  Calochortus albus Herbert L. Mason 1924-5-18 1017 San Mateo Jasper Ridge, near zoology club Jasper Ridge Comment
Read comments
Sep 19 2011
  CAS-BOT-BC492207  Calochortus albus Marion Ownbey; Ruth P. Ownbey 1938-7-7 1698 San Mateo Canyonside, Redwood Belt, Santa Cruz Mts., 3 miles west of Woodside Comment
  CAS-BOT-BC492221  Calochortus albus Paul Arnaud 1941-4-19 s.n. San Mateo Redwood City - Hills - near Hesler farm entrance Comment
  RSA292630  Calochortus albus Lyman Benson 1930-5-3 2110 San Mateo Woods, above Woodside, Santa Cruz Mtns. 366 Comment
  SD39096  Calochortus albus Marie Cummings 1933-5-8 79 San Mateo Steven's Creek. Comment
  JROH4617  Calochortus argillosus John H. Thomas 1961-6-14 9539 San Mateo Jasper Ridge Biological Preserve, Stanford University; in "parking area" at Searsville end Comment
  UCD78194  Calochortus argillosus Robert E. Preston 2008-6-11 2641 b San Mateo Between Lower Crystal Springs Reservoir and Skyline Blvd, ca. 0.5 mi NW of jct Skyline Blvd and Crystal Springs Rd 99 Comment
  SEINET12044654  Calochortus coeruleus J. D. Randall 1907-1 224 San Mateo Kings Mt Comment
  CAS-BOT-BC491981  Calochortus luteus W. R. Dudley 1894-5-14 342 San Mateo Near Storkfarm, Stanford University Comment
  SEINET3885475  Calochortus luteus Lewis S. Rose 1931-5-24 23 San Mateo Redwood City.; 0 Comment
  SJSU10003  Calochortus tolmiei L. S. Chan 1955-6-4 123 San Mateo Kings Mt Rd 1.5 mi W of woodside 243 Comment
  JROH570  Calycadenia multiglandulosa John Hunter Thomas 1983-6-29 22717 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH572  Calycadenia multiglandulosa John Hunter Thomas 1986-6-9 24094 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
  CAS-BOT-BC224650  Calystegia purpurata subsp. purpurata A. D. E. Elmer 1903-6-1 4299 San Mateo Pescadero Comment
  CAS-BOT-BC224657  Calystegia purpurata subsp. purpurata W. R. Dudley 1894-4-21 s.n. San Mateo Santa Cruz Peninsula. Near San Mateo Creek road Comment
  CAS-BOT-BC224666  Calystegia purpurata subsp. purpurata Elizabeth McClintock; Walter Knight; Irja Knight; Baki Kasapligil 1967-7-18 s.n. San Mateo San Bruno Mountains. In Colma Canyon 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
  JROH1840  Calystegia purpurata subsp. purpurata John H. Thomas 1969-6-4 15112 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC436450  Calystegia subacaulis L. R. Abrams 1902-5-4 2399 San Mateo Woodside Comment
  SD38400  Calystegia subacaulis Janet Turner 1933-5-30 3723 San Mateo Between Skyline and Half Moon Bay. Comment
  SD38402  Calystegia subacaulis Edith A. Purer 1933-5-30 3641 San Mateo Spring Valley Lakes. Comment
  CAS-BOT-BC224346  Calystegia subacaulis subsp. subacaulis Margaret A. Barry 1937-5-8 57 San Mateo Exposed slopes of Coal Mine Ridge Comment
  CAS-BOT-BC224349  Calystegia subacaulis subsp. subacaulis A. D. E. Elmer 1903-6-1 4826 San Mateo Crystal Springs Lake Comment
  UC306752  Calystegia subacaulis subsp. subacaulis A. D. E. Elmer June, 1903 4826 San Mateo Crystal Springs Lake Comment
  UCR143018  Camissonia cheiranthifolia subsp. cheiranthifolia Edith A. Purer 1933-7-27 5388 San Mateo Pacific Coast, two miles south of Pigeon Point 30 Comment
  RSA21998  Camissonia micrantha J. T. Howell 1938-5-1 13773 San Mateo Colma Canyon. Comment
  RSA15251  Camissonia ovata Carl B. Wolf 1927-2-19 212 San Mateo 1 mile from where Skyline Blvd. crosses Belmont Road Comment
  CAS-BOT-BC160325  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Daniel Cohen 1953-5-9 97 San Mateo Beach at Pescadero Comment
  RSA18477  Campanula prenanthoides C. B. Wolf 1927-7-20 646 San Mateo La Honda Grade Comment
  RSA18502  Campanula prenanthoides C. B. Wolf 1927-7-14 618 San Mateo Summit of Kings Mountain Rd. Comment
  SEINET10462891  Campanula prenanthoides LeRoy R. Abrams 1907-8-26 Abrams s.n. San Mateo KINGS MT, MOIST SHADED REDWOODS Comment
  SEINET10463364  Campanula prenanthoides Elvander 1970-7-5 ELVANDER 287 San Mateo 1 mile on Water Pant road from intersection with entrance to Butano State Park. Sandy loam, redwood forest. 152 Comment
  SEINET10939009  Campanula prenanthoides William R. Dudley 1894-7-7 Dudley s.n. San Mateo Bear Gulch Comment
  CAS-BOT-BC37677  Cardamine californica A. D. E. Elmer 1903-4-1 4468 San Mateo Portola. Comment
  JROH1483  Cardamine californica John H. Thomas 1969-4-12 14884 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  POM176891  Cardamine californica var. integrifolia W. R. Dudley 1893-2-18 s.n. San Mateo La Honda. Santa Cruz Peninsula. Comment
  CAS-BOT-BC37987  Cardamine oligosperma John H. Thomas 1964-8-30 10372 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  CAS-BOT-BC384841  Cardionema ramosissimum Philip C. Wheeler 1965-5-18 s.n. San Mateo San Bruno Mountain. Area adjacent to Olivet Cemetery Comment
  JROH583  Carduus tenuiflorus Suzanne Biossat 1943-5-7 75 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC281836  Carduus tenuiflorus John Thomas Howell 1939-6-16 14741 San Mateo Skyline Blvd near Crystal Springs Lake Comment
  UCSC006297  Carex Randall Morgan 2001-10-19 3778 San Mateo Half Moon Bay, Moist flat on RMC Lonestar property, upper San Vincente Ck watershed 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
  UC70629  Carex barbarae J. Burtt Davy 1893-6-17 782 San Mateo Belmont Comment
  UC823145  Carex barbarae Alice Eastwood, John Thomas Howell 1938-4-24 5247 San Mateo Lobitas Comment
  CAS-BOT-BC19323  Carex barbarae Alice Eastwood; John Thomas Howell; J. W. Stacey 1938-4-24 5247 San Mateo Lobitos. 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
  JROH4322  Carex bolanderi Toni Corelli 2005-8-10 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Along Causeway, Trail 13, west of Leonard's Bridge. 106 Comment
  CAS-BOT-BC19539  Carex bolanderi Peter Rubtzoff 1953-5-14 1339 San Mateo Pilarcitos Creek Canyon 1 to 2 miles downstreams from Pilarcitos Lake. Comment
  CAS-BOT-BC19545  Carex bolanderi W. R. Dudley 1899-5-14 s.n. San Mateo Sant Cruz Mountain Peninsula. Ravine west of Upper San Mateo Creek. 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-BC18923  Carex densa John Thomas Howell 1938-5-1 13781 San Mateo Near South San Francisco. Comment
  CAS-BOT-BC18929  Carex densa A. D. E. Elmer 1903-6-1 4428 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC18945  Carex densa LeRoy Abrams 1902-5-11 2444 San Mateo Crystal Springs. Comment
  POM193987  Carex densa W. R. Dudley 1896-4-4 s.n. San Mateo Santa Cruz Mountain Peninsula; Near Summit Springs, Kings Mt. Comment
  CAS-BOT-BC18933  Carex densa Lewis S. Rose 1936-5-24 36299 San Mateo East of Burlingame. 60 Comment
  CAS-BOT-BC18939  Carex densa W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. Field north of Seal Cove. Comment
  POM289944  Carex densa Lyman Benson 1930-5-1 2056 San Mateo Stanford University 107 Comment
  RSA91590  Carex densa J. T. Howell 1938-5-1 13786 San Mateo Near South San Francisco. Comment
  UC2048919  Carex globosa Neal Kramer 2016-4-3 2163 San Mateo Pedro Point Headlands Comment
  CAS-BOT-BC146610  Carex gynodynama W. R. Dudley 1896-4-17 s.n. San Mateo Pebble Beach Pasture, Pescadero Comment
  JROH4350  Carex harfordii John Rawlings 2010-5-19 1049 A San Mateo Jasper Ridge Biological Preserve, Stanford University. Just beyond NE terminus of Leonard's Bridge, a large clump on the SE verge of the trail. 107 Comment
  SEINET3904235  Carex montereyensis John A. Churchill 1974-4-14 7441413 San Mateo Half Moon Bay.; 0 Comment
  JROH4356  Carex nudata John Hunter Thomas 1979-6-12 19587 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  CAS-BOT-BC173709  Carex obnupta Peter Rubtzoff; Roman Gankin 1975-5-21 7965 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  RSA100991  Carex obnupta G. Oberlander 1950-5-6 828 San Mateo Pilarcitos Lake. San Francisco Watershed Reserve. Comment
  UC1100481  Carex obnupta Malcolm A. Nobs and S. Galen Smith 1949-8-25 1575 San Mateo s Rockaway Beach Comment
  UCR279853  Carex obnupta Peter Rubtzoff 1978-5-18 9174 San Mateo San Francisco Bay Region, San Bruno Mountains, 'saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 220 Comment
  CAS-BOT-BC117647  Carex serratodens Harry A. Dutton 1900-4-3 s.n. San Mateo Woodside. Comment
  JROH4360  Carex serratodens John Hunter Thomas 1986-6-9 24093 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC117640  Carex serratodens Joseph Whipple Congdon 1901-7-28 s.n. San Mateo Spring Valley. Comment
  SBBG29942  Carex subbracteata J. T. Howell 1938-5-1 13783 San Mateo near South San Francisco Comment
  CAS-BOT-BC167243  Carex subbracteata Elizabeth McClintock; Paul Reeberg 1989-6-6 s.n. San Mateo Sheatwater. San Bruno Mountains Comment
  RSA788836  Carex subbracteata Peter Rubtzoff 1978-3-18 9172 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  SEINET6192755 Image available Carex subbracteata J. T. Howell 1938-5-1 13782 San Mateo near South San Francisco Comment
  CAS-BOT-BC116828  Carex subbracteata var. subbracteata W. R. Dudley 1894-5-1 s.n. San Mateo Woodside to Crystal Springs. Comment
  CAS-BOT-BC115507  Carex tumulicola George Thomas Oberlander 1950-5-28 967 San Mateo Marsh, Pilarcitos Lake. Comment
  CAS-BOT-BC115515  Carex tumulicola W. R. Dudley 1894-5-1 s.n. San Mateo Woodside to Crystal Springs. Comment
  CAS-BOT-BC230108  Carpobrotus chilensis Louis F. Pitelka 1973-4-30 s.n. San Mateo Bolsa Point, about 1 mile N of Pigeon Point and about 39 miles S of San Francisco Comment
  CHSC20700  Carpobrotus edulis Robert A. Schlising 1963-2-23 2433 San Mateo 21 miles north of Davenport along Highway 1. Comment
  CDA19951  Carthamus lanatus A. King 2002-7-19 PDR P 120164 San Mateo San Francisco Bay Area; 1906 Pomponio Creek Rd. 0 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-BC249189  Castilleja affinis E. W. Rust 1907-4-27 120 San Mateo Kings Mountain Comment
  CAS-BOT-BC249191  Castilleja affinis David D. Keck 1940-5-15 5036 San Mateo Upper Crystal Springs Lake, east side 100 Comment
  POM15472  Castilleja affinis C. F. Baker 1903-4-6 1877 San Mateo San Bruno Hills near S.F. [San Francisco] 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
  JROH3939  Castilleja affinis subsp. affinis Duncan M. Porter 1961-4-8 751 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge Comment
  UCSC006159  Castilleja ambigua Randall Morgan 1999-7-12 3588 San Mateo ca. 1+ mile north of Bean Hollow State Beach Comment
  CHSC1812  Castilleja ambigua subsp. ambigua M. Barkowski 1930-4-29 San Mateo Moss Beach. Comment
  JEPS6959  Castilleja ambigua subsp. ambigua Peter H. Raven 1950-4-30 1964 San Mateo Montara 15 Comment
  RSA0030796  Castilleja ambigua subsp. ambigua D. D. Keck 1932-4-29 1453 San Mateo Burlington - San Mateo city limits, Bayshore Highway. Along San Francisco Bay. Comment
  JROH3962  Castilleja attenuata John Hunter Thomas 1978-4-22 19110 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR136714  Castilleja densiflora L. S. Rose 1948-5-16 48113 San Mateo San Francisco Bay Region, Emerald Lake, hills west of Redwood City 152 Comment
  JEPS127791  Castilleja densiflora subsp. densiflora Adam C. Schneider with C. Matt Guilliams 2013-4-7 62 San Mateo Along dirt road running parallel to overhead power transmission lines. GPS coordinates approximate. Comment
  JEPS30077  Castilleja densiflora subsp. densiflora Lewis S. Rose 1961-4-5 61035 San Mateo San Bruno Mountains 365 Comment
  JEPS86228  Castilleja densiflora subsp. densiflora L. R. Heckard 1970-5-5 2453 San Mateo Brisbane, ne edge of San Bruno Mountain San Bruno Mountain Comment
  POM204428  Castilleja franciscana E. C. Sutliffe 1933-5-17 s.n. San Mateo Skyline Boulevard. Comment
  CAS-BOT-BC243835  Castilleja latifolia Peter H. Raven 1950-4-16 1782 San Mateo Colma Canyon, San Bruno Mts. 182 Comment
  CAS-BOT-BC243841  Castilleja latifolia John Thomas Howell 1933-4-9 10969 San Mateo Coastal hillside between Pescadero and Pigeon Pt. Comment
  JEPS49067  Castilleja rubicundula subsp. lithospermoides Lewis S. Rose 1966-5-2 66034 San Mateo w of Redwood City; Emerald Lake 91 Comment
  JROH3988  Castilleja rubicundula subsp. lithospermoides D. D. Davis 1903-4-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Ridge Comment
  UC535783  Castilleja rubicundula subsp. lithospermoides Elmer I. Applegate 1895-5-11 392 San Mateo near Searsville Comment
  JEPS47427  Castilleja subinclusa subsp. franciscana L. R. Heckard 1964-7-26 1425 San Mateo 0.4 mi from Lobitos Creek rd. jct. rd. with Verde Road (old highway) (above Lobitos Creek valley) Comment
  UC1141005  Castilleja subinclusa subsp. franciscana Lawrence Beane 1949-6-2 455 San Mateo between La Honda and Pescadero Comment
  JEPS103883  Castilleja subinclusa subsp. franciscana T. I. Chuang and F. M. Chuang 1991-7-1 7848 San Mateo 0.8 mile North of San Gregorio Beach Comment
  JEPS103891  Castilleja subinclusa subsp. franciscana T. I. Chuang and F. M. Chuang 1991-7-3 7859 San Mateo 0.8 mile SW from junction of Interstate 280 and rt. 92 on rt. 92 Comment
  JEPS88801  Castilleja subinclusa subsp. franciscana T. I. and F. M. Chuang 1991-7-3 7859 San Mateo 0.8 mi sw Interstate 280 junction with Route 92 (on Route 92) Comment
  SJSU11465  Castilleja subinclusa subsp. franciscana A. J. Hutchko 1962-5-20 San Mateo foot of Grove St, Half Moon Bay Comment
  UC1537582  Castilleja wightii Gordon H. True Jr. 1936-6-14 510 San Mateo 1 mi from Skyline Blvd. (on Salada Beach Road) 182 Comment
  UC198265  Castilleja wightii Katharine Brandegee 1917-7-22 San Mateo Mussel Rock Station, Ocean Shore Railway Comment
  UC198510  Castilleja wightii Katharine Brandegee 1917-7-22 San Mateo Mussel Rock Station, Ocean Shore R.R. Comment
  JEPS88823  Castilleja wightii T. I. and F. M. Chuang 1991-7-1 7846 San Mateo 1.1 mi n Montana Comment
  UC1301213  Castilleja wightii Helen K. Sharsmith 1963-3-23 5252 San Mateo near Pacific City; San Francisco Bay Region 45 Comment
  CAS-BOT-BC39377  Caulanthus lasiophyllus John H. Thomas 1961-5-13 9339 San Mateo At Franklin Point. Comment
  CAS-BOT-BC40242  Caulanthus lasiophyllus G. H. True 1937-3-31 614 San Mateo Salada Beach. Comment
  JROH1523  Caulanthus lasiophyllus John H. Thomas 1963-3-20 10024 San Mateo Jasper Ridge Biological Preserve, Stanford University; near poppy knoll Comment
  JROH3520  Ceanothus cuneatus var. cuneatus John H. Thomas 1955-5-6 5016 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3526  Ceanothus cuneatus var. cuneatus Ann Lambrecht 2004-3-10 8 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 11. Chaparral-woodland transition. Comment
  UCSB18615  Ceanothus cuneatus var. ramulosus Schulte, John 1963-4-14 San Mateo Jasper Ridge, 3 miles SW of Stanford Campus between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  RSA130826  Ceanothus oliganthus W. R. Dudley 1902-5-17 s.n. San Mateo King Mountain rd. Comment
  CAS-BOT-BC51605  Ceanothus oliganthus var. sorediatus Brandegee 1889-4-1 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
  POM190252  Ceanothus papillosus D. D. Keck 1932-5-11 1774 San Mateo E side of Kings Mtn, on Kings Mtn road. 503 Comment
  UC79825  Ceanothus papillosus var. papillosus C. F. Baker 1902-5-10 803 San Mateo Kings Mountain Comment
  CAS-BOT-BC52292  Ceanothus thyrsiflorus John H. Thomas 1961-5-7 9295 San Mateo San Bruno Mountain in northern part of county 396 Comment
  POM267961  Ceanothus thyrsiflorus Jens Clausen 1941-7-1 1873 San Mateo Summit of Montara Mtn 274 Comment
  CAS-BOT-BC274588  Centaurea calcitrapa John H. Thomas 1955-4-6 4831 San Mateo East facing slope of San Bruno Mountain just north of South San Francisco 91 Comment
  JEPS21637  Centaurea calcitrapa John H. Thomas 1955-4-6 4831 San Mateo e facing slope of San Bruno Mountain, just n of South San Francisco San Bruno Mountain, South San Francisco 30 Comment
  POM177456  Centaurea calcitrapa L. R. Abrams, I. L. Wiggins 1930-11-13 174 San Mateo Hillside above Crystal Springs Lake Comment
  POM55184  Centaurea calcitrapa A. D. E. Elmer 1903-07 4961 San Mateo Crystal Springs Lake Comment
  UC91552  Centaurea calcitrapa J. W. Congdon 1901-7-27 San Mateo San Mateo Comment
  HSC23938  Centaurea calcitrapa Mary Katherine Wicksten 1971-8-19 199 San Mateo Huddart Park by horse ring Comment
  CAS-BOT-BC277124  Centaurea melitensis J. H. Thomas 1958-6-11 7224 San Mateo About 4.3 miles due east of Belmont near Crystal Springs Reservoir 91 Comment
  CAS-BOT-BC277119  Centaurea melitensis George Oberlander 1950-5-6 895 San Mateo San Francisco Watershed Reserve. Near San Andreas Lake Comment
  JROH605  Centaurea solstitialis John Hunter Thomas 1977-6-16 18765 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA187357  Centranthus ruber John H. Thomas 1958-11-9 7503 San Mateo Along El Camino Real at northern end of San Carlos. 30 Comment
  JEPS38137  Centromadia parryi subsp. parryi L. M. Newlon 1921-1-1 239 San Mateo seashore from Salada to Mussel Beach Comment
  OBI48603  Centromadia pungens subsp. pungens Lewis S. Rose 1938-8-18 38231 San Mateo San Mateo Comment
  CAS-BOT-BC279326  Centromadia pungens subsp. pungens Lewis S. Rose 1965-9-20 65106 San Mateo Burlingame, Trousdale Dr. & California Dr. 9 Comment
  CAS-BOT-BC279329  Centromadia pungens subsp. pungens L. R. Abrams 1903-9-27 4017 San Mateo Menlo Park Comment
  SBBG35987  Centromadia pungens subsp. pungens L. S. Rose 1965-9-20 San Mateo Burlingame, Trousdale Dr and California Drive 9 Comment
  UC894337  Centromadia pungens subsp. pungens Roxana Stinchfield 1915-9-19 250 San Mateo fields near Salt Marshes; Palo Alto Comment
  CAS-BOT-BC384958  Cerastium arvense W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. Ravine north of Seal Cove Comment
  UC311136  Cerastium glomeratum A. D. E. Elmer April, 1903 4473 San Mateo San Bruno Hills Comment
  CAS-BOT-BC135475  Cercocarpus betuloides var. betuloides Margaret A. Barry 1937-4-21 11 San Mateo Woods on Coal Mine Ridge Comment
  JROH3614  Cercocarpus betuloides var. betuloides W. R. Dudley 1903-4-10 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Canon E. of Searsville Reservoir Comment
  JROH3620  Cercocarpus betuloides var. betuloides John H. Thomas 1961-6-14 9541 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3626  Cercocarpus betuloides var. betuloides John H. Thomas 1974-5-29 17408 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA187281  Chenopodium californicum John H. Thomas 1965-4-29 10604 San Mateo San Bruno Mountain in northern part of county. 305 Comment
  RSA137301  Chenopodium murale John H. Thomas 1949-10-16 1146 San Mateo Along sandstone bluffs, just north of outlet of San Gregorio Creek Comment
  JROH1827  Chenopodium vulvaria Ann Lambrecht 2005-8-1 17 San Mateo Jasper Ridge Biological Preserve, Stanford University; Bear Creek crossing, east bank, about 2m from stream's edge Comment
  CAS-BOT-BC497724  Chlorogalum pomeridianum Fred Hemphill 1973-5-14 806 San Mateo San Carlos, Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC389739  Chlorogalum pomeridianum J. Lovelle 1973-7-15 10 San Mateo Donald Pk. Comment
  RSA175258  Chlorogalum pomeridianum var. divaricatum Robert F. Thorne, Percy C. Everett 1963-6-9 32217 San Mateo On Kamchatka Point near TV tower on San Bruno Mountain. 335 Comment
  RSA10283  Chlorogalum pomeridianum var. divaricatum H. A. Barker 1927-5-14 657 San Mateo North of Half Moon Bay. Comment
  JROH4644  Chlorogalum pomeridianum var. pomeridianum George Pilz 1963-6-10 43 San Mateo Jasper Ridge Biological Preserve, Stanford University 60 Comment
  RSA133889  Chlorogalum pomeridianum var. pomeridianum John H. Thomas 1958-6-11 7222 San Mateo About 4.3 miles due E of Belmont near Crystal Springs Reservoir. 91 Comment
  CDA20080  Chondrilla juncea J. Beall 2002-11-18 PDR P 205608 San Mateo San Francisco Bay Area; across the street from 3975 Pacific Blvd. 0 Comment
  POM165065  Chorizanthe cuspidata var. cuspidata A. D. E. Elmer 1903-05 s.n. San Mateo San Pedro Comment
  UC162391  Chorizanthe cuspidata var. cuspidata A. A. Heller 1906-6-8 8383 San Mateo near Ocean View, San Francisco; near Ocean View, San Francisco Comment
  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
  CAS-BOT-BC389694  Chrysolepis chrysophylla Mary K. Wicksten 1970-8-14 63 San Mateo Archery Trail, Huddart Prk. Comment
  POM270417  Chrysolepis chrysophylla Lyman Benson 1931-5-10 2800 San Mateo Above Woodside, Kings Mountain; Santa Cruz mt. range. 457 Comment
  CAS-BOT-BC36404  Chrysolepis chrysophylla var. minor Walter Knight 1964-9-14 830 San Mateo Forest of scores of sub trees ca. 4 m. [hi] and shorter on NW side of Peak Mt. summit - Montara Range Comment
  JEPS85230  Cicendia quadrangularis Roy E. Buck and James A. West 1985-4-29 524 San Mateo 1.9 air km ene Franklin Point (just n of Whitehouse Canyon rd, ca 0.8 km ne of Whitehouse Canyon Rd junction with Calif Hwy 1, Cascade Ranch) Comment
  JROH2580  Cicendia quadrangularis Rimo Bacigalupi 1922-4-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2586  Cicendia quadrangularis John H. Thomas 1973-4-20 16579 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC285234  Cichorium intybus Elizabeth McClintock; Paul Reeberg 1988-4-7 s.n. San Mateo San Bruno Mountains. In Guadalupe Valley Comment
  CAS-BOT-BC277896  Cirsium brevistylum L. R. Abrams; I. L. Wiggins 1939-6-3 427 San Mateo Ano Nuevo Point Comment
  CAS-BOT-BC277881  Cirsium brevistylum Paul Reeberg 1989-5-23 s.n. San Mateo San Bruno Mountains. Wax Myrtle Ravine 121 Comment
  CDA20522  Cirsium brevistylum E. Finley 2005-4-21 PDR 1365078 San Mateo San Francisco Bay Area; Bean Hollow Rd, Pescadero. 0 Comment
  CAS-BOT-BC100946  Cirsium fontinale var. fontinale A. D. E. Elmer 1903-6-1 4292 San Mateo Crystal Springs Lake Comment
  UC30812  Cirsium occidentale var. venustum Alice Eastwood 1896-5-1 San Mateo Crystal Springs Comment
  RSA101025  Cirsium occidentale var. venustum G. Oberlander 1949-6-25 251 San Mateo E of Sawyer Ridge, San Francisco Watershed Reserve Comment
  CAS-BOT-BC280521  Cirsium quercetorum Alice Eastwood; John Thomas Howell 1938-6-26 6078 San Mateo Crystal Springs Lake Comment
  RSA0070861  Cirsium quercetorum John H. Thomas 1958-6-11 7227 San Mateo About 4.3 miles due E of Belmont near Crystal Springs Reservoir. 91 Comment
  CDA7143  Cirsium vulgare D. G. Kelch 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  JROH634  Cirsium vulgare John H. Thomas 1964-11-15 10526 San Mateo Jasper Ridge Biological Preserve, Stanford University; along road at edge of Searsville Lake Comment
  JROH640  Cirsium vulgare John Hunter Thomas 1977-6-16 18799 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC285866  Cirsium vulgare Ned Cahill 1974-10-8 380 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC285869  Cirsium vulgare George Oberlander 1949-8-20 335 San Mateo San Francisco Watershed Reserve. Sawyer Ridge Comment
  RSA453491  Clarkia amoena subsp. amoena E. A. Purer 1932-7-16 s.n. San Mateo Near Half Moon Bay Comment
  SEINET4900270  Clarkia cylindrica Paul D. Sorensen 1973-8-3 7337 San Mateo 1 mile W of junction with Page Mill Rd. and California 35 Comment
  RSA41290  Clarkia epilobioides Robert F. Hoover 1941-4-23 4904 San Mateo Redwood City hills Comment
  CAS-BOT-BC163922  Clarkia purpurea subsp. quadrivulnera A. A. Heller 1906-6-8 8382 San Mateo Near Ocean View, San Francisco, on the Lake Merced side of the Ocean Shore tracks Comment
  JROH5820  Clarkia purpurea subsp. quadrivulnera John Rawlings 2016-5-10 1782 San Mateo Jasper Ridge Biological Preserve, Stanford University. Eastern edge of the Dennis Martin Site 77 Comment
  CAS-BOT-BC164565  Clarkia purpurea subsp. viminea Ned Cahill 1974-5-18 284 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JROH3010  Clarkia purpurea subsp. viminea D. E. Breedlove 1971-5-31 19347 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JEPS17914  Clarkia rubicunda Rimo Bacigalupi 1955-8-4 5445 San Mateo just s Pedro Point (high above the ocean, w end of mountain); Montara Mtn. Comment
  JEPS90055  Clarkia rubicunda Dean W. Taylor 1994-5-10 14269 San Mateo ca. 300 meters se of junction of Edgewood and Canada Roads (200 m w of trail parallel to and on w side of Highway 280, Edgewood Park, Santa Cruz Mountains); Santa Cruz Mountains, Edgewood Park, Highway 280 137 Comment
  JROH3016  Clarkia rubicunda John H. Thomas 1973-6-15 16850 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3021  Clarkia rubicunda John H. Thomas 1975-7-31 17983 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3024  Clarkia rubicunda John Hunter Thomas 1978-7-2 19244 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC114010  Clarkia rubicunda Katharine Brandegee 1908-7-26 San Mateo near Half Moon Bay; Moss Beach Comment
  CAS-BOT-BC165140  Clarkia rubicunda Lewis S. Rose 1957-7-6 57117 San Mateo Skyline Blvd. w. of San Mateo 182 Comment
  CAS-BOT-BC165155  Clarkia rubicunda E. K. Balls 1958-7-19 23570 San Mateo State Hwy. 5, 2 mi. nw. of jct. with road from Big Basin State Park 670 Comment
  UCD104833  Clarkia rubicunda Peter H. Raven 1957-7-4 11046 San Mateo 6.1 miles from San Gregorio on road to La Honda, near San Gregorio Creek. Comment
  RSA128518  Clarkia rubicunda subsp. blasdalei L. R. Abrams 1907-8-25 s.n. San Mateo Santa Cruz Mountain Peninsula: Between Pescadero and Half Moon Bay Comment
  CAS-BOT-BC165599  Clarkia unguiculata A. D. E. Elmer 1903-6-1 4293 San Mateo Alpine School House Comment
  CAS-BOT-BC165601  Clarkia unguiculata Daniel Cohen 1953-6-5 108 San Mateo Los Trancos Woods Comment
  JROH3330  Claytonia exigua subsp. exigua D. D. Davis 1903-4-5 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3336  Claytonia exigua subsp. exigua John Hunter Thomas 1992-4-9 25133 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5705  Claytonia exigua subsp. exigua John Rawlings 2015-3-15 1353 San Mateo Jasper Ridge Biological Preserve, Stanford University; Rd D 113 Comment
  JROH3329  Claytonia exigua subsp. exigua L. R. Abrams 1901-1-27 1101 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC439594  Claytonia parviflora subsp. parviflora Fred Hemphill 1973-4-8 656 San Mateo San Carlos. Area north of Malabar Rd. and Melendy Dr. 207 Comment
  JROH3348  Claytonia perfoliata subsp. perfoliata John H. Thomas 1975-4-19 17802 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3353  Claytonia perfoliata subsp. perfoliata John Hunter Thomas 1988-4-6 24371 San Mateo Jasper Ridge Biological Preserve, Stanford University; road near dam Comment
  CAS-BOT-BC91481  Clematis lasiantha J. I. McMurphy 1906-5-20 19 San Mateo Santa Cruz Peninsula. Santa Cruz Mountains. Woodside. Comment
  JROH3408  Clematis lasiantha Duncan M. Porter 1961-4-8 748 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA119755  Clematis lasiantha J. C. Murphy 1906-5-20 19 San Mateo Santa Cruz Mts. Comment
  RSA195552  Clematis lasiantha John H. Thomas 1966-4-29 11586 San Mateo Jasper Ridge Biological experimental area, 5 miles SW of Palo Alto. Comment
  SEINET12099147  Clematis lasiantha Unknown 1932-1 9022 San Mateo Los Trancos Woods Comment
  SEINET12099156  Clematis ligusticifolia Unknown 1931-1 7796 San Mateo Jaspan Ridge, common Comment
Read comments
May 3 2019
  UCD164461  Clinopodium douglasii Peter Rubtzoff 1977-6-21 9064 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  UCD18535  Clinopodium douglasii Roman Gankin 1950-6-25 2 San Mateo about 2 miles from Alameda de Las Puigas Rd., behind Stanford University, off Sandhill Rd. Comment
  UCSC007734  Clinopodium douglasii Becky Hendricks, Chris Lay 2012-6-22 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC499399  Clintonia andrewsiana W. R. Dudley 1895-6-8 s.n. San Mateo Road near Alpine School House, Black mt. Comment
  CAS-BOT-BC499405  Clintonia andrewsiana David D. Keck 1932-6-1 1797 San Mateo 1 mile west of Skyline Blvd. on La Honda road, Santa Cruz Mountains Comment
  POM196565  Clintonia andrewsiana W. R. Dudley 1895-6-6 s.n. San Mateo Pescadero Creek near Iverson. Comment
  SEINET12044201  Clintonia andrewsiana L. S. Rose 1933-1 33254 San Mateo Kings Mt Comment
  CAS-BOT-BC240922  Collinsia multicolor Dr. E Goodman 1922-5-23 s.n. San Mateo San Bruno hills Comment
  CAS-BOT-BC240923  Collinsia multicolor A. A. Heller 1907-4-25 8463 San Mateo San Bruno Hills Comment
  JEPS121051  Collinsia multicolor Janell M. Hillman 2012-4-29 San Mateo San Bruno Mountain. Comment
  UC1736305  Collinsia multicolor Dean W. Taylor 1994-5-10 14276 San Mateo San Mateo Creek drainage; along Crystal Springs Road 0.3 mi East of junction of Tartan Trail Comment
  CHSC55725  Collomia heterophylla Steven Triano 1988-5-24 260 San Mateo Along Old La Honda Road ca 0.6 mi s of its jct. with Portola Road and 3.8 mi s of Woodside. 176 Comment
  UC729639  Collomia heterophylla Carl B. Wolf 1929-5-25 3725 San Mateo 1/2 mi n La Honda Grade (on road to Woodside) 121 Comment
  HSC23940  Collomia heterophylla Mary Katherine Wicksten 1971-7-12 166 San Mateo Huddart Park; beside Archery Trail above Archery Flat Comment
  RSA191938  Conioselinum gmelinii R. F. Thorne, P. Everett 1963-6-9 32237 San Mateo On top of San Bruno Mountain on Kamchatka Point near the TV tower 335 Comment
  JROH220  Conium maculatum John Hunter Thomas 1988-6-2 24505 San Mateo Jasper Ridge Biological Preserve, Stanford University; near old bridge Comment
  POM133231  Conium maculatum C. F. Baker 1902-12-1 196 San Mateo Summit of Coast Range Comment
  CAS-BOT-BC389736  Convolvulus J. Lovelle 1973-7-22 19 San Mateo Mt. Ellen Comment
  CAS-BOT-BC288966  Conyza floribunda John Thomas Howell 1975-9-25 51508 San Mateo At summit, San Bruno Mt 396 Comment
  UCD77568  Corallorhiza maculata Robert E. Preston 2001-5-30 1534 San Mateo Ca. 9 mi nnw of Boulder Creek. 365 Comment
  UCD138899  Corallorhiza striata K. L. Koch 1965-5-1 42 San Mateo on north side of Alpine Road, 1.4 miles from Portola Park turnoff. 426 Comment
  POM88156  Cordylanthus maritimus subsp. palustris L. R. Abrams 1900-10 1031 San Mateo Cooley's Landing Comment
  SEINET4676141  Cordylanthus pilosus Lewis S. Rose 1941-8-9 41362 San Mateo Woodside.; 0 60 Comment
  POM263616  Cordylanthus pilosus subsp. pilosus L. S. Rose 1941-8-9 41362 San Mateo Woodside. 60 Comment
  JROH658  Coreopsis tinctoria Ruth Porter 1997-11-3 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; low flow crossing along San Francisquito Creek Comment
  CAS-BOT-BC101481  Corethrogyne filaginifolia W. R. Dudley 1896-4-6 s.n. San Mateo Near Crystal Springs Comment
  LA205836  Corethrogyne filaginifolia D. Keck; 1932-5-25 1785 San Mateo E side of Crystal Springs Lake Comment
  CAS-BOT-BC210360  Cornus sericea Walter Knight; Walter Knight 1963-6-24 s.n. San Mateo San Bruno Mountain. Quarry 4 Comment
  JROH1871  Cornus sericea subsp. sericea John Hunter Thomas 1981-7-24 20731 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1885  Cornus sericea subsp. sericea John Hunter Thomas 1992-7-24 25383 San Mateo Jasper Ridge Biological Preserve, Stanford University; causeway and boat ramp, along causeway Comment
  UC1191448  Coronopus didymus Malcolm A. Nobs, S. Galen Smith 1949-8-26 1594 San Mateo at mouth of Pescadero Creek Pescadero Creek Comment
  CAS-BOT-BC190042  Cortaderia jubata Elizabeth McClintock; Paul Reeberg 1988-8-12 s.n. San Mateo San Bruno Mountains. Along Guadalupe Canyon Parkway east of Northeast ridge. 60 Comment
  CAS-BOT-BC190043  Cortaderia jubata Elizabeth McClintock; Paul Reeberg 1988-8-12 s.n. San Mateo San Bruno Mountains. Along Guadalupe Canyon Parkway east of Northeast ridge. 60 Comment
  JROH5668  Cortaderia selloana John Rawlings 2013-12-3 1242 San Mateo Jasper Ridge Biological Preserve, Stanford University; west side of the Corte Madera Creek main channel, visible from Trail 13. 109 Comment
  NY42441  Cortaderia selloana J. B. Walker 1994-8-15 910 San Mateo N edge of town 10 Comment
  JROH1333  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
  RSA119711  Corylus cornuta var. californica I. L. Wiggins 1929-3-23 3373 San Mateo Road to Mud Lake, near Stanford University Comment
  CAS-BOT-BC453503  Cotoneaster lacteus Elizabeth McClintock; Paul Reeberg 1988-4-26 s.n. San Mateo Colma Canyon; San Bruno Mountains Comment
  JROH3635  Cotoneaster pannosus John H. Thomas 1974-10-12 17622 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3639  Cotoneaster pannosus John Hunter Thomas 1981-4-23 20466 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3647  Cotoneaster pannosus John Hunter Thomas 1992-5-14 25232 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near boat ramp Comment
  JROH659  Cotula australis John H. Thomas 1979-4-8 19445 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC912224  Cotula coronopifolia Herbert L. Mason 1927-4-24 3707 San Mateo mouth of San Gregorio Creek Comment
  CAS-BOT-BC291459  Cotula coronopifolia Elizabeth McClintock; Paul Reeberg 1988-8-12 s.n. San Mateo San Bruno Mountains Comment
  CAS-BOT-BC291467  Cotula coronopifolia John H. Thomas 1963-7-19 10193 San Mateo Ano Nuevo Island about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  CAS-BOT-BC291475  Cotula coronopifolia David D. Keck 1932-3-24 1403 San Mateo Redwood City at border of San Francisco Bay Comment
  CAS-BOT-BC427834  Crassula connata A. D. E. Elmer 1903-4-1 4719 San Mateo San Bruno Hills Comment
  JROH1889  Crassula connata John Hunter Thomas 1982-5-23 20813 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3662  Crataegus monogyna John Hunter Thomas 1992-5-19 25339 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH668  Crepis vesicaria subsp. taraxacifolia John Hunter Thomas 1986-6-7 24082 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC24006  Croton setiger Mary Katherine Wicksten 1971-7-20 181 San Mateo Huddart Park, by Redwood Shelter. Comment
  JROH1955  Croton setiger John H. Thomas 1959-8-22 8076 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4976  Crypsis schoenoides Herbert Dengler 1961-1-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Pond bottom (W. of Portola Road). Comment
  JROH1360  Cryptantha flaccida John H. Thomas 1975-5-26 17898 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1375  Cryptantha micromeres D. E. Breedlove 1971-5-11 19331 San Mateo Jasper Ridge Biological Preserve, Stanford University; at Pinon Road along fence Comment
  JROH1379  Cryptantha microstachys John Hunter Thomas 1992-4-23 25164 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1381  Cryptantha microstachys Toni Corelli 2007-5-2 334 San Mateo Jasper Ridge Biological Preserve, Stanford University. Upslope along Trail b 142 Comment
  JROH1384  Cryptantha torreyana var. pumila Herbert Dengler 1960-5-31 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; firetrail on top of Nolan Ridge (the ridge N.E. of Corte Madera Cr.) -- about 200 yds W. of Westridge border Comment
  CAS-BOT-BC80785  Cupressus macrocarpa Elizabeth McClintock 1967-9-24 s.n. San Mateo Crocker Avenue. Plants of San Bruno Mountain. Comment
  SEINET3863379 Image available Cupressus macrocarpa Lois R. O'Brien 1963-3-9 95 San Mateo San Bruno Mountains, on Radio Road 1 mile from Estrada Way. Southeast facing slope at road.; 0 137 Comment
  JROH5621  Cuscuta occidentalis Ann Lambrecht, Toni Corelli, John Rawlings 2010-8-18 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Old dock below Searsville Lab 104 Comment
  RSA130967  Cuscuta salina S. D. Halsey 1908-9-26 s.n. San Mateo near Cooley's Landing Comment
  CAS-BOT-BC257693  Cyclospermum leptophyllum Peter Rubtzoff 1988-6-25 9927 San Mateo Menlo Park, on Willow Road near Alma Street. Comment
  CAS-BOT-BC287331  Cynara cardunculus J. H. Thomas 1958-10-21 7487 San Mateo Near intersection of Bayshore Highway and Main St, Redwood City, near slough Comment
  JEPS22116  Cynara cardunculus subsp. cardunculus J. H. Thomas 1958-10-21 7487 San Mateo near intersection of Bayshore Highway and Main Street; Redwood City 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
  JROH1394  Cynoglossum grande John Hunter Thomas 1981-5-14 20573 San Mateo Jasper Ridge Biological Preserve, Stanford University; near old shack riders shack Comment
  SD16063  Cynoglossum grande Jane T. Turner 1933-4-19 3719 San Mateo Near Emerald Lake Comment
  UCSB11483  Cynoglossum grande Olson, Jim 1962-4-15 San Mateo 8 miles north of junction with Portola State Park Road on Camp Pomponio Road; 10 miles southwest of La Honda 213 Comment
  JROH5011  Cynosurus echinatus W. Lennihan 1989-6-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. San Francisquito Creek -- above low-flow causeway on left in rocks. 81 Comment
  JROH4379  Cyperus eragrostis John Hunter Thomas 1978-5-23 19224 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4384  Cyperus eragrostis John Hunter Thomas 1983-7-7 22817 San Mateo Jasper Ridge Biological Preserve, Stanford University. Just below dam. Comment
  CAS-BOT-BC114457  Cyperus eragrostis W. R. Dudley 1908-6-19 s.n. San Mateo Road from Tanforan to Jersey Dairy. Comment
  UCD18539  Cyperus eragrostis Roman Gankin 1950-7-4 7 San Mateo east side of the Peninsula Coast Range, off of the King's Mtn. Rd. behind Woodside. 609 Comment
  JROH4391  Cyperus erythrorhizos John H. Thomas 1974-10-29 17643 San Mateo Jasper Ridge Biological Preserve, Stanford University. Small peninsula created by drainage channel cut to accommodate water from Corte Madera Cr. Comment
  CAS-BOT-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
  JROH22  Cystopteris fragilis Richard Jeffers 1981-4-19 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  CAS-BOT-BC198192  Cytisus scoparius Charles Piper Smith 1922-4-29 3507 San Mateo Lake San Andreas Comment
  CAS-BOT-BC198193  Cytisus scoparius Daniel Cohen 1953-5-5 69 San Mateo Skyline Drive above San Mateo Comment
  JEPS64797  Cytisus scoparius W. L. Jepson 1922-3-19 9534 San Mateo Millbrae 182 Comment
  JROH5020  Dactylis glomerata John Hunter Thomas 1980-5-27 19990 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC192227  Danthonia californica Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo Crocker Hills Comment
  JROH5035  Danthonia californica H. J. Dengler 1967-4-23 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Found by the vernal spring at west end of the serpentine meadow Comment
  JROH5039  Danthonia californica John H. Thomas 1970-4-28 15606 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1903  Datisca glomerata John H. Thomas 1961-6-14 9543 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  SJSU15419  Datura stramonium Toni Corelli 2011-8-31 718 San Mateo Half Moon Bay east of of Hwy. 1 and south of Higgins Canyon Road 30 Comment
  JROH222  Daucus pusillus John H. Thomas 1968-5-22 14455 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC299200  Deinandra corymbosa subsp. corymbosa George Oberlander 1950-5-6 905 San Mateo Cahill Ridge Comment
  CAS-BOT-BC299207  Deinandra corymbosa subsp. corymbosa W. R. Dudley 1893-5-17 s.n. San Mateo Near Milbrae Comment
  CAS-BOT-BC300007  Deinandra lobbii James I. McMurphy 1906-10-28 s.n. San Mateo San Francisquito Creek, along San Mateo-Santa Clara County line Comment
  JEPS8375  Delphinium Rimo Bacigalupi with L. Constance and C. R. Bell 1951-3-25 3205 San Mateo near San Francisco; Colma Canyon 137 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
  POM270770  Delphinium californicum Lyman Benson 1930-5-12 s.n. San Mateo Lake Searsville. 152 Comment
  UC9130  Delphinium californicum J. Burtt Davy Jun 21 1893-Jun 23 1893 San Mateo Pilarcitos Lake and Canyon Comment
  JROH3428  Delphinium californicum subsp. californicum John H. Thomas 1969-5-28 15080 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC9212  Delphinium californicum subsp. californicum Josephine D. Randall 1907-6-5 310 San Mateo Los Trancos Road, Stanford University Comment
  CAS-BOT-BC9246  Delphinium decorum Henry Nicholas Bolander s.n. San Mateo San Bruno Comment
  CAS-BOT-BC9248  Delphinium decorum Elizabeth McClintock 1972-4-23 s.n. San Mateo San Bruno Mountains, above Fern Rock Comment
  RSA394480  Delphinium decorum subsp. decorum Glenn A. Gorelick 1968-5-12 s.n. San Mateo San Bruno Mtns, Overlooking Daly City near San Francisco Comment
  CAS-BOT-BC10291  Delphinium hesperium P. H. Raven 1949-6-13 834 San Mateo near Belmont 121 Comment
  SD1725  Delphinium hesperium Ulysses S. Grant IV Jun 1925 San Mateo Near La Honda Comment
  JROH3449  Delphinium hesperium subsp. hesperium John Hunter Thomas 1983-6-2 22330 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC9872  Delphinium nudicaule David Daniels Keck 1934-7-7 2928 San Mateo Kings Mountain, west of summit. 609 Comment
  CAS-BOT-BC9873  Delphinium nudicaule D. E. Breedlove 1974-5-13 36210 San Mateo Pacifica, San Pedro Valley Park 152 Comment
  RSA10344  Delphinium nudicaule H. A. Barker 1926-5-1 575 San Mateo Kings Mt. Comment
  CAS-BOT-BC116526  Delphinium patens subsp. patens C. B. Wolf 1929-4-26 3659 San Mateo Woodside Comment
  CAS-BOT-BC116529  Delphinium patens subsp. patens W. Dudley 1896-4-4 s.n. San Mateo Near Crystal Springs Comment
  JROH3454  Delphinium patens subsp. patens John H. Thomas 1976-4-3 18070 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3461  Delphinium patens subsp. patens John Hunter Thomas 1991-4-11 24987 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC7931  Delphinium variegatum Doris Kildale Gillespie 1930-4-21 9221 San Mateo Emerald Lake near Redwood City Comment
  CAS-BOT-BC7899  Delphinium variegatum Harry A. Dutton 1900-3-11 s.n. San Mateo not specified Comment
  JROH3464  Delphinium variegatum subsp. variegatum John H. Thomas 1974-4-25 17206 San Mateo Jasper Ridge Biological Preserve, Stanford University. Grasslands on top of ridge, Searsville end Comment
  POM148952  Delphinium variegatum subsp. variegatum A. D. E. Elmer 1903-05 s.n. San Mateo Crystal Springs Lake. Comment
  SJSU16035  Deschampsia cespitosa subsp. holciformis John Rawlings, Toni Corelli 2016-4-29 1769 San Mateo Cascade Field along Atkinson Bluff Trail, north of Cascade Cr. Trail, in Ano Nuevo State Park 11 Comment
  JROH5047  Deschampsia danthonioides John H. Thomas 1975-5-26 17917 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5052  Deschampsia danthonioides John Hunter Thomas 1986-4-30 23983 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5073  Deschampsia elongata John Hunter Thomas 1988-5-16 24465 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low flow crossing. Comment
  CLARK-A1528-683  Dicentra formosa William Horn, Jr. 1963-4-13 630413 #1 San Mateo Hillsborough 30 Comment
  CAS-BOT-BC500926  Dichelostemma capitatum Rimo Bacigalupi 1922-5-25 s.n. San Mateo Redwood Highlands Comment
  CAS-BOT-BC500929  Dichelostemma capitatum John H. Thomas 1971-5-2 15849 San Mateo Near the intersection of Canada and Edgewood roads, about 4 mi SW of center of Redwood City 304 Comment
  JROH4659  Dichelostemma capitatum subsp. capitatum John Hunter Thomas 1985-4-25 23563 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  IRVC9053  Dichelostemma capitatum subsp. capitatum P. W. Rundel 1962-4-15 1030 San Mateo La Canada Road; 1 mi. N of Pulgas Water Temple. 122 Comment
  CAS-BOT-BC502168  Dichelostemma congestum Fred Hemphill 1973-4-22 693 San Mateo San Carlos. Chaparral area north of Malabar Road and Melendy Drive. 207 Comment
  JROH4665  Dichelostemma congestum John Hunter Thomas 1982-4-23 20836 San Mateo Jasper Ridge Biological Preserve, Stanford University. Picnic area Comment
  CAS-BOT-BC151991  Diplacus douglasii W. R. Dudley 1900-3-26 s.n. San Mateo Beyond Woodside, half way up the Mt. - Santa Cruz Peninsula Comment
  CDA6697  Dipsacus sativus T. C. Fuller 1960-4-2 4066 San Mateo Crystal Springs Reservoir, road to Half Moon Bay. 0 Comment
  CAS-BOT-BC121856  Dirca occidentalis Lewis S. Rose 1939-4-12 39060 San Mateo Crystal Springs Lake 152 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
  JROH4199  Dirca occidentalis John H. Thomas 1960-5-1 8537 San Mateo Jasper Ridge Biological Preserve, Stanford University. This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  JROH4201  Dirca occidentalis John H. Thomas 1968-2-11 14144 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4204  Dirca occidentalis John H. Thomas 1970-1-1 15496 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD116838  Dirca occidentalis Lewis S. Rose 1964-3-9 64004 San Mateo N. end of Crystal Springs Lake. 121 Comment
  SEINET12190189  Dirca occidentalis L. S. Gill 1930-1 178 San Mateo near Searsville Lake Comment
  JEPS61823  Disporum hookeri Lucille Roush 1928-3-11 San Mateo Butano Creek Comment
  RSA76139  Disporum hookeri var. hookeri George H. Ward 1950-4-8 949 San Mateo 1 mile N of La Honda. Comment
  CAS-BOT-BC195720  Distichlis spicata Dr. Barton W. Evermann 1924-6-22 s.n. San Mateo Ano [Ano] Nuevo Island Comment
  SJSU16012  Distichlis spicata John Rawlings, Ken Hickman 2016-5-26 1814 San Mateo Serpentine seep area (Fountain thistle seep) up-slope from the Hwy 92 west onramp to Hwy 280 north; down-slope from San Francisco Watershed fence line 122 Comment
  CDA19686  Dittrichia graveolens J. Beall 2001-10-18 PDR 064552 San Mateo North Coast; East end of Weeks St. next to Bay Lands Nature Preserve vicinity of East Palo Alto. 0 Comment
  SEINET215104 Image available Dodecatheon hendersonii R. E. Dengler 1960-4-12 25 San Mateo Stanford Biological Preserve; Jasper Ridge. 130 Comment
  CAS-BOT-BC159532  Drymocallis glandulosa var. glandulosa Margaret A. Barry 1937-5-15 111 San Mateo Woods on Coal Mine Ridge Comment
  CAS-BOT-BC159533  Drymocallis glandulosa var. glandulosa Ethel Crum 1930-4-27 707 San Mateo Woodside 152 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-BC159505  Drymocallis glandulosa var. glandulosa Elizabeth McClintock; Phillip Wheeler 1967-5-14 s.n. San Mateo Vicinity of fence separating Brisbane from Crocker Estate Company position of San Bruno Mountain, on east side of Mountain, above Harold Ave. Comment
  JROH3734  Drymocallis glandulosa var. wrangelliana John H. Thomas 1967-6-1 12973 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA451896  Drymocallis glandulosa var. wrangelliana Glenn A. Gorelick 1967-4-14 s.n. San Mateo San Bruno Mts. overlooking Daly City near San Francisco. Comment
  CAS-BOT-BC143407  Drymocallis glandulosa var. wrangelliana Elizabeth McClintock 1972-4-23 s.n. San Mateo Above Fern Rock Comment
  JROH33  Dryopteris arguta John H. Thomas 1976-11-5 18433 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  UC1063776  Dryopteris arguta G. E. Sindel 1935-8-2 321 San Mateo head of Harington Creek; Santa Cruz Quadrangle Comment
  CAS-BOT-BC67885  Dryopteris arguta L. R. Abrams 1901-12-29 2251 San Mateo Santa Cruz Mts. Comment
  RSA693756  Dryopteris arguta Anonymous 1924-7-4 s.n. San Mateo Near St. Helena, Woods beyond WHite Sulphur Springs Comment
  JROH1807  Dysphania ambrosioides John H. Thomas 1964-10-2 10514 a San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH1813  Dysphania ambrosioides John H. Thomas 1976-10-16 18419 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
  JROH5098  Echinochloa crus-galli Ann Lambrecht 2006-8-23 44 San Mateo Jasper Ridge Biological Preserve, Stanford University; dry bed of San Francisquito Creek below Dennis Martin marker 71 Comment
  CDA5627  Echium pininana T. C. Fuller 1967-8-23 16296 San Mateo North side of road to Crystal Springs, 1.2 miles east of Highway 1 at Half Moon Bay. 0 Comment
  JROH5100  Ehrharta erecta Toni Corelli 2006-8-16 322 San Mateo Jasper Ridge Biological Preserve, Stanford University. South of Road B, dry creek bed below Dennis Martin marker site 70 Comment
  CAS-BOT-BC113594  Eleocharis acicularis W. R. Dudley 1908-6-26 s.n. San Mateo Pond W of Scofield Pond, Coal Mine Ridge, Santa Cruz Mountain Peninsula. Comment
  CAS-BOT-BC112956  Eleocharis macrostachya Copeland 1903-3-1 3340 San Mateo Searsville Comment
  CAS-BOT-BC112959  Eleocharis macrostachya Adolph Daniel Edward Elmer 1903-7-1 4767 San Mateo San Pedro. Comment
  JROH5139  Elymus X gouldii John Rawlings 2011-8-2 1082 B San Mateo Jasper Ridge Biological Preserve, Stanford University; at edge of riparian woodland along San Francisquito creek SW of Dennis Martin site marker. 78 Comment
  CAS-BOT-BC203881  Elymus X hansenii L. R. Abrams 1920-6-1 7492 San Mateo Santa Cruz Mountain Peninsula. Back of Redwood City Comment
  POM352566  Elymus californicus P. H. Raven 1967-6-25 21418 San Mateo Pescadero Road 2.8 miles SW of Alpine Road. Comment
  SD38364  Elymus condensatus Edith A. Purer 1932-7-18 4006 San Mateo Half Moon Bay, sand dunes Comment
  POM295857  Elymus glaucus Lyman Benson 1935-5-5 6541 San Mateo Lake Searsville; Santa Cruz Mt. Range 152 Comment
  UC646422  Elymus glaucus J. Clausen 1937-6-20 1529 San Mateo hills w Redwood City (near the Easter Cross) Comment
  JROH5106  Elymus glaucus subsp. glaucus John H. Thomas 1975-5-26 17919 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5114  Elymus glaucus subsp. virescens John Rawlings 2009-9-16 1017 San Mateo Jasper Ridge Biological Preserve, Stanford University. A few yards uphill of Trail a, about 35 yards from the lower Trail a terminus, near a large rock outcrop at the serpentine contact. 91 Comment
  JROH5120  Elymus multisetus D. E. Breedlove 1971-5-31 19389 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH5126  Elymus multisetus John Hunter Thomas 1978-5-16 19218 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  LA14855  Elymus multisetus David D. Keck; 1932-5-6 1469 San Mateo Belmont Comment
  SJSU15954  Elymus multisetus John Rawlings, Ken Hickman 2016-5-26 1831 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
  SJSU15415  Elymus pacificus Toni Corelli 2010-5-14 629 San Mateo Pescadero State Beach and Marsh Natural Preserve, west of Hwy. 1 5 Comment
  UCD62574  Elymus repens R. G. Lander 1958-10-16 San Mateo San Mateo. Comment
  JROH3043  Epilobium brachycarpum John H. Thomas 1972-8-18 16152 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET6635579 Image available Epilobium brachycarpum Lewis S. Rose 1932-1 32600 San Mateo Salada Beach Comment
  UC873502  Epilobium brachycarpum Roxana Stinchfield 1915-10-14 261 San Mateo Cedro Villa Stanford University Comment
  OBI11877  Epilobium canum Lewis S. Rose 1965-9-4 65099 San Mateo Skyline Blvd and Half Moon Bay Rd. Cahill ridge 244 Comment
  CAS-BOT-BC166142  Epilobium canum subsp. canum Walter Knight; Irja Knight 1965-5-15 1112 San Mateo Pig Ranch Ravine. Up about half way on south facing slope 213 Comment
  HSC16554  Epilobium canum subsp. canum L. S. Rose 1965-9-4 65099 San Mateo Skyline Blvd. and Half Moon Bay Rd., Cahill Ridge 244 Comment
  POM32051  Epilobium canum subsp. canum C. F. Baker 1902-10-20 52 San Mateo Summit of Coast Range Comment
  JROH3058  Epilobium ciliatum subsp. ciliatum Ann Lambrecht 2006-8-14 26 San Mateo Jasper Ridge Biological Preserve, Stanford University; spillway of dam, western half, top tier Comment
  POM32681  Epilobium ciliatum subsp. watsonii Copeland 1903-6-5 3328 San Mateo Montara Point. Comment
  CAS-BOT-BC57612  Equisetum telmateia A. D. E. Elmer 1903-3-1 4501 San Mateo Portola Comment
  JROH70  Equisetum telmateia subsp. braunii John H. Thomas 1978-4-8 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC299889  Erechtites glomeratus L. R. Abrams 1926-5-26 11218 San Mateo San Bruno Hills near Daly City Comment
  CAS-BOT-BC299891  Erechtites glomeratus John H. Thomas 1961-5-7 9275 San Mateo San Bruno Mountain 396 Comment
  CAS-BOT-BC299886  Erechtites glomeratus Ira L. Wiggins 1934-8-11 6970 San Mateo Beside tannery, Redwood City Comment
  RSA124757  Eremocarpus setiger John H. Thomas 1958-11-22 7508 San Mateo Jasper Ridge, about 5 miles southwest of Palo Alto. 152 Comment
  POM359361  Ericameria ericoides var. ericoides E. A. Purer 1933-8-25 5511 San Mateo Along Skyline Drive Comment
  JROH677  Erigeron canadensis Toni Corelli 2006-9-20 327 San Mateo Jasper Ridge Biological Preserve, Stanford University. Above Corte Madera Creek, west of Trail 12 106 Comment
  UC31473  Erigeron foliosus var. franciscensis J. Burtt Davy 1893-6-17 804 San Mateo Belmont Comment
  CAS-BOT-BC295082  Erigeron glaucus John H. Thomas 1961-5-12 9327 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC295083  Erigeron glaucus Robert Robertson 1954-5-1 123 San Mateo Pebble Beach 12 Comment
  CAS-BOT-BC295090  Erigeron glaucus Ernest C. Twisselmann 1955-11-19 2496 San Mateo Crocker Estate, Diamont Heights 152 Comment
  CAS-BOT-BC344850  Erigeron philadelphicus Peter Rubtzoff; Roman Gankin; Elizabeth McClintock; Bill Burley 1979-6-7 9288 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. Comment
  CAS-BOT-BC216134  Eriodictyon californicum Alice Eastwood 1912-6-10 836 San Mateo Crystal Springs Comment
  JROH2723  Eriodictyon californicum D. E. Breedlove 1971-5-31 19391 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  SBBG29988  Eriodictyon californicum H. A. Barker, M. Dearing 1926-5-1 590 San Mateo King's Mtn Comment
  CAS-BOT-BC248711  Eriogonum arborescens Elizabeth McClintock; Paul Reeberg 1988-9-1 s.n. San Mateo San Bruno Mountains. Above area where Caltrans had planted this species along Bayshore Boulevard 91 Comment
  CAS-BOT-BC253198  Eriogonum fasciculatum Lewis S. Rose 1941-9-21 41455 San Mateo Intersection of Alpine Creek Road and Skyline Blvd. 609 Comment
  CAS-BOT-BC250548  Eriogonum gracile John H. Thomas 1971-5-2 15823 San Mateo Near intersection of Canada and Edgewater [Edgewood?] roads. About 4 miles SW of center of Redwood City 304 Comment
  CAS-BOT-BC251988  Eriogonum latifolium C. F. Baker 1903-6-30 3359 San Mateo Pilarcitos Comment
  SEINET7076096  Eriogonum latifolium A. G. Vestal 1955-5-31 s.n. San Mateo Near Pebble Beach off Route 1. (NAD 27; 37.2369? deg. North Latitude, 122.4153? deg. West Longitude, UTM Zone 10, 551863mE, 4121109mN). [GPS Coordinate: WGS84/NAD83]. Comment
  UC176458  Eriogonum latifolium Katharine Brandegee 1913-8-11 San Mateo Tobin Comment
  UCR121581  Eriogonum latifolium George K. Helmkamp, E. A. Helmkamp 1999-6-28 4986 San Mateo Pescadero Creek Watershed, Pescadero Road just north of Loma Mar 107 Comment
  RSA162485  Eriogonum latifolium E. K. Balls 1963-5-22 12068 San Mateo 12.2 miles south from turn off to San Gregorio, State Highway #1 6 Comment
  SEINET11938061  Eriogonum latifolium E. A. Purer 1933-1 5379 San Mateo 2 mi S of Pigeon Point Comment
  CAS-BOT-BC266071  Eriogonum luteolum A. G. Vestal 1937-7-18 s.n. San Mateo Jasper Ridge, side of ridge not far from Stanford property line Comment
  RSA51396  Eriogonum luteolum var. luteolum L. S. Rose 1949-8-14 49164 San Mateo Emerald Lake, hills west of Redwood City. Comment
  UC912827  Eriogonum luteolum var. luteolum Lewis S. Rose 1937-9-21 37661 San Mateo w Redwood City (Emerald Lake); Emerald Lake 182 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
  CAS-BOT-BC268996  Eriogonum nudum var. auriculatum A. D. E. Elmer 1903-6-1 4311 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC268999  Eriogonum nudum var. auriculatum Elizabeth McClintock; Philip Wheeler 1967-5-14 s.n. San Mateo San Bruno Mountain. East side of mountain, above Harold Ave., Brisbane Comment
  SJSU15946  Eriogonum nudum var. nudum John Rawlings, Ken Hickman 2016-5-26 1822 B San Mateo Serpentine seep area up-slope from the Hwy 92 west onramp to Hwy 280 north; down-slope from San Francisco Watershed fence line 122 Comment
  CAS-BOT-BC304082  Eriophyllum confertiflorum Lewis S. Rose 1933-5-17 33176 San Mateo Redwood City Comment
  CAS-BOT-BC304083  Eriophyllum confertiflorum Margaret A. Barry 1937-6-22 172 San Mateo Coal Mine Ridge Comment
  RSA7603  Eriophyllum confertiflorum L. S. Rose 1933-5-17 33176 San Mateo Redwood City Comment
  JROH698  Eriophyllum confertiflorum var. confertiflorum John H. Thomas 1969-5-28 15076 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH712  Eriophyllum confertiflorum var. confertiflorum John Hunter Thomas 1987-5-5 24247 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC301258  Eriophyllum lanatum var. arachnoideum W. R. Dudley 1893-5-27 s.n. San Mateo Santa Cruz Mountain Peninsula. Near La Honda Comment
  JEPS34328  Eriophyllum lanatum var. arachnoideum L. R. Heckard and Rimo Bacigalupi 1963-7-2 1334 San Mateo above summit of old country road; Montara Mt. 304 Comment
  CAS-BOT-BC301981  Eriophyllum staechadifolium Ella Dales Cantelow 1940-9-2 3408 San Mateo N. of Davenport Comment
  RSA116669  Eriophyllum staechadifolium W. R. Dudley 1894-3-26 s.n. San Mateo By road from Pescadero to San Gregorio Comment
  UC31755  Eriophyllum staechadifolium Albert Kellogg San Mateo Schoolhouse Station Comment
  JROH2608  Erodium moschatum John Rawlings 2012-5-25 1106 San Mateo Jasper Ridge Biological Preserve, Stanford University. Dennis Martin site near Road B. 79 Comment
  SBBG39491  Eryngium armatum L. S. Rose 1970-7-26 70076 San Mateo Hillsborough, Black Mtn, Skyline Blvd 121 Comment
  JROH239  Eryngium jepsonii John H. Thomas 1974-6-27 17445 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC54821  Erysimum franciscanum Javier Penalosa 1963-3-9 2669 San Mateo San Bruno Mountains. Slopes southeast of 1314 foot summit. 381 Comment
  CAS-BOT-BC54826  Erysimum franciscanum Alice Eastwood 1914-3-12 s.n. San Mateo San Bruno Hills. Comment
  CAS-BOT-BC54836  Erysimum franciscanum G. B. Rossbach 1955-3-26 573 San Mateo Inner dunes back of sea bluff ca. 1 mile north of Sharp Park (Salada). Comment
  CAS-BOT-BC54873  Erysimum franciscanum John H. Thomas 1965-4-29 10608 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  CAS-BOT-BC54879  Erysimum franciscanum Elizabeth McClintock; Carlyn Halde; Walter Knight; Walter Knight 1963-6-23 s.n. San Mateo San Bruno Mountains. Lower part of Colma Canyon. Comment
  RSA101845  Erysimum franciscanum G. B. Rossbach 1939-5-12 913 San Mateo 1.5 miles N of Sharp Park (Salada Beach) Comment
  RSA102123  Erysimum franciscanum G. B. Rossbach 1955-3-26 576 San Mateo Upper N slope of San Bruno Mountain, N of radio tower 335 Comment
  UC1034935  Erysimum franciscanum G. B. and R. P. Rossbach 1939-3 901 a&b San Mateo dunes just back of high sea cliff very near Sharp Park Comment
  UC1034942  Erysimum franciscanum G. B. Rossbach 1938-5-18 837 San Mateo open bank on e side Crystal Springs Lake 106 Comment
  UC1034943  Erysimum franciscanum G. B. and R. P. Rossbach 1938-4-3 807 San Mateo moist ravine in upper slope of hills San Bruno Hills Comment
  CAS-BOT-BC54831  Erysimum franciscanum W. R. Dudley 1906-5-13 s.n. San Mateo Santa Cruz Peninsula. Hills southwest of San Mateo. Comment
  SJSU15961  Erythranthe guttata John Rawlings, Ken Hickman 2016-5-26 1837 San Mateo Serpentine seep area up-slope from the Hwy 92 west onramp to Hwy 280 north; down-slope from San Francisco Watershed fence line 122 Comment
  SD234189  Erythranthe guttata Virginia Pinkus Ryder 1964-2-21 78 San Mateo Near Davenport. 3 Comment
  CAS-BOT-BC403560  Eschscholzia californica Walter Knight; Irja Knight 1964-4-25 632 San Mateo San Bruno Mountain. Power Line Ridge Comment
  JROH3101  Eschscholzia californica John Hunter Thomas 1981-5-19 20610 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD40077  Eschscholzia californica Edith A. Purer 1933-7-27 5384 San Mateo 2.0 miles south of Pigeon Point. Comment
  POM272329  Eschscholzia californica subsp. californica Lyman Benson 1931-3-3 2621 San Mateo Moss Beach. 15 Comment
  RSA445603  Eschscholzia californica subsp. californica Glenn A. Gorelick 1967-2-10 s.n. San Mateo San Bruno Mountains, overlooking Daly City near San Francisco. 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
  JROH1796  Euonymus occidentalis var. occidentalis Volney Rattan May s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; at Searsville Comment
  UC1071565  Euonymus occidentalis var. occidentalis N. K. Carlson 1935-7-3 117 San Mateo 3 mi. s. Bellvale; Santa Cruz Quad. Comment
  JROH1965  Euphorbia lathyris Carol Zabel and Ruth Porter 1999-5-17 41 a San Mateo Jasper Ridge Biological Preserve, Stanford University; north side of trail 12 Comment
  CDA19205  Euphorbia oblongata D. Pendleton 2001-4-3 PDR 064453 San Mateo San Francisco Peninusla; Along Sandhill Rd, next to Jasper Ridge Biological Reserve, Portola Valley. 0 Comment
  JROH1969  Euphorbia peplus John H. Thomas 1967-6-1 12978 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM223330  Euphorbia spathulata L. S. Rose 1935-5-4 35151 San Mateo Burlingame. Comment
  JROH531  Eurybia radulina John Rawlings 2011-10-18 1089 San Mateo Jasper Ridge Biological Preserve, Stanford University. SW end of Road C bridge over San Francisquito Creek. 88 Comment
  CAS-BOT-BC310618  Eurybia radulina L. R. Abrams 1906-9-24 s.n. San Mateo Goat Ranch, Santa Cruz Mountains near Portola Comment
  CAS-BOT-BC310622  Eurybia radulina George Oberlander 1949-7-10 364 San Mateo San Francisco Watershed Reserve. On Sawyer Ridge Comment
  CAS-BOT-BC310623  Eurybia radulina L. R. A. 1902-9-28 3004 San Mateo New Grade Road - Portola Comment
  JROH727  Euthamia occidentalis John H. Thomas 1974-9-19 17600 San Mateo Jasper Ridge Biological Preserve, Stanford University; near bridge Comment
  CAS-BOT-BC239710  Fabaceae W. R. Dudley 1894-3-26 s.n. San Mateo Reservoir, San Mateo Comment
  SJSU6623  Felicia amelloides T. M. Morton 1972-4-1 San Mateo residence 735 Laurelwood Dr, San Mateo Comment
  JROH5162  Festuca arundinacea John Hunter Thomas 1988-5-12 24457 San Mateo Jasper Ridge Biological Preserve, Stanford University; near bridge between the two parts of Searsville Lake Comment
  JROH5475  Festuca bromoides John Hunter Thomas 1984-5-3 23334 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC278286  Festuca californica W. R. Dudley 1900-3-17 s.n. San Mateo Ravine north of Seal Cove Comment
  JEPS18167  Festuca californica Rimo Bacigalupi with Galen Smith, L. Dempster, and T. Robbins 1956-5-15 5645 San Mateo first ridge w San Andreas Lake (on road to Pilarcitos Lake) 198 Comment
  CAS-BOT-BC278350  Festuca californica subsp. californica L. R. A. 1902-5-11 2461 San Mateo Crystal Springs Comment
  CAS-BOT-BC539285  Festuca idahoensis John Rawlings; Ken Hickman 2015-6-8 1577 San Mateo Caltrans right-of-way above Hwy 92 E of Hwy 280, downslope from San Francisco Watershed fenceline 118 Comment
  RSA100977  Festuca idahoensis G. Oberlander 1950-5-6 875 San Mateo Sawyer Ridge, San Francisco Watershed Reserve. Comment
  JROH5481  Festuca microstachys John H. Thomas 1963-5-15 10093 B San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU15582  Festuca microstachys John Rawlings 2015-4-5 1453 San Mateo Along Edgewood Rd., San Mateo Co., California 146 Comment
  JROH5494  Festuca myuros Herbert Dengler 1957-4-21 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5501  Festuca myuros Stephen N. Turitzin 1975-5-7 3 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM275004  Fragaria californica Lyman D. Benson 1928-4-21 101 San Mateo Stanford University, Mt. Range: Santa Cruz; River: San Francisquito Creek. 91 Comment
  RSA133096  Fragaria californica Donald A. Johansen 1933-5-18 709 San Mateo Along road from Portola to La Honda. Comment
  CAS-BOT-BC437035  Fragaria chiloensis Daniel Cohen 1953-5-9 99 San Mateo Top of bluff between Pescadero and San Gregorio Comment
  CAS-BOT-BC437041  Fragaria chiloensis Barrett Anderson; Peter Rubtzoff 1988-4-22 3659 San Mateo Saddle area north of Guadalupe Canyon Parkway, San Bruno Mountain 275 Comment
  RSA523866  Fragaria chiloensis Chris E. True 1937-3-31 616 San Mateo Salada Beach. 610 Comment
  UCD113190  Fragaria chiloensis Everett H. Everson 1951-4-28 40 San Mateo 2.2 miles south of Pescadero, on Highway 1. Comment
  HSC23974  Fragaria vesca Mary Katherine Wicksten 1971-7-8 160 San Mateo Huddart Park, Madrone Area Comment
  CAS-BOT-BC457511  Fragaria vesca subsp. californica Elizabeth McClintock; Paul Reeberg 1989-2-4 s.n. San Mateo Between Poison Oak Ravine and Tank Ravine, San Bruno Mountains Comment
  CAS-BOT-BC457525  Fragaria vesca subsp. californica Elizabeth McClintock 1967-9-24 s.n. San Mateo Crocker Avenue, San Bruno Mountain Comment
  CAS-BOT-BC52679  Frangula californica subsp. californica A. D. E. Elmer 1903-7-1 4772 San Mateo Pilarcitos Stone Dam Comment
  CAS-BOT-BC52684  Frangula californica subsp. californica John H. Thomas 1961-5-7 9297 San Mateo San Bruno Mountain in northern part of county 396 Comment
  JROH3539  Frangula californica subsp. californica John H. Thomas 1971-5-30 15966 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SBBG28507  Frangula californica subsp. californica C. B. Wolf 1927-11-27 San Mateo just S of Pescadero Comment
  JROH3573  Frangula californica subsp. tomentella John Hunter Thomas 1981-2-14 20214 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA391414  Frankenia salina D. D. Keck 1931-9-27 1269 San Mateo Dumbarton Bridge. Comment
  CAS-BOT-BC223551  Fraxinus latifolia W. R. Dudley 1894-4-21 s.n. San Mateo Santa Cruz Peninsula. Near San Mateo Creek Comment
  POM278014  Fritillaria affinis Lyman Benson 1935-5-5 6542 San Mateo Lake Searsville 152 Comment
  CAS-BOT-BC130383  Fritillaria liliacea Lewis S. Rose 1933-4-2 33049 San Mateo Redwood City Comment
  SJSU115  Fritillaria liliacea Thelma Silva 1931-3-8 San Mateo Spring Valley, head of Pilarcitos Creek Comment
  UC843895  Fritillaria liliacea Lewis S. Rose 1941-3-7 41008 San Mateo w of Redwood City (Emerald Lake); Emerald Lake 152 Comment
  RSA0037218  Fumaria Peter Rubtzoff 1988-5-12 9921 San Mateo San Bruno Mountain. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction; NW part of the area, near the old Guadalupe Road between Bog Trail and Saddle Trail Junctions. Comment
  UCR248782  Fumaria capreolata Peter Rubtzoff 1988-5-12 9921 San Mateo San Bruno Mountain, 'saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction; NW part of the area, near old Guadalupe Road between Bog Trail and Saddle Trail junction 213 Comment
  CAS-BOT-BC258909  Galium Peter Rubtzoff 1988-6-25 9928 San Mateo Menlo Park, on Willow Road near Alma Street. Comment
  JROH3824  Galium John Hunter Thomas 1989-4-10 24626 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC164660  Galium aparine Peter Rubtzoff; Roman Gankin 1974-12-17 7943 San Mateo San Bruno Mountain. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. 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
  JROH3804  Galium murale John Hunter Thomas 1987-4-30 24219 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD121821  Galium murale John H. Thomas 1958-5-10 7138 San Mateo Jasper Ridge, about 5 miles southwest of Palo Alto. 152 Comment
  JROH3793  Galium murale John H. Thomas 1969-4-12 14891 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near redwoods below dam Comment
  JROH3810  Galium porrigens var. porrigens John H. Thomas 1968-3-17 14185 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH806  Gamochaeta ustulata John Hunter Thomas 1992-5-5 25208 San Mateo Jasper Ridge Biological Preserve, Stanford University; near picnic area and vicinity Comment
  CAS-BOT-BC303468  Gamochaeta ustulata Paul F. Covel 1936-4-24 272 San Mateo Skyline Blvd Comment
  RSA218010  Gamochaeta ustulata Phillip Wheeler 1965-5-12 s.n. San Mateo Pig Ranch Ravine; San Bruno Mountains. Comment
  SEINET4041731  Garrya elliptica D. Demaree 1930-1 7312 San Mateo Los Trancos Woods. Comment
  JROH5188  Gastridium phleoides John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA135780  Gastridium phleoides C. F. Leitholt 1894-7-30 s.n. San Mateo La Honda. Comment
  CAS-BOT-BC59639  Gaultheria shallon Herbert L. Mason 1920-6-25 s.n. San Mateo Pescadero Cr. Comment
  RSA112358  Gaultheria shallon H. L. Mason 1921-07 s.n. San Mateo San Mateo County: Pescadero Creek Comment
  CDA5304  Gaura sinuata T. C. Fuller 1974-5-21 19990 San Mateo San Pedro Valley County Park, east above the end of Linda Mar Boulevard, Pacifica. 0 Comment
  CAS-BOT-BC526238  Gazania Elizabeth McClintock; Paul Reeberg 1988-4-7 s.n. San Mateo San Bruno Mountains; near Picnic Area Comment
  CAS-BOT-BC219144  Genista monspessulana Ira L. Wiggins 1929-7-4 3790 San Mateo Moist ravine 4 mi. W. of La Honda on Hill road to Pescadero Beach Comment
  CHSC56539  Genista monspessulana Steven Triano 1988-5-24 177 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
  JROH2002  Genista monspessulana John Hunter Thomas 1978-5-23 19222 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2018  Genista monspessulana John Hunter Thomas 1987-4-30 24213 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2628  Geranium molle John H. Thomas 1978-4-8 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5835  Geranium molle Teri Barry 2016-4-26 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 7 Comment
  UC909020  Gilia achilleifolia subsp. achilleifolia Herbert L. Mason 1927-4-23 3677 San Mateo summit of road between La Honda and Pescadero Creek; summit of road between La Honda and Pescadero Creek Comment
  JROH5682  Gilia clivorum John Rawlings 2015-3-15 1354 San Mateo Jasper Ridge Biological Preserve, Stanford University; sepentine prairie on ridge top south of a shallow drainage 195 Comment
  JROH3168  Gilia clivorum John Hunter Thomas 1991-5-2 25010 San Mateo Jasper Ridge Biological Preserve, Stanford University; near exclosure Comment
  SD38795  Gilia tricolor Alice Spalding 1933-4-18 3724 San Mateo Comment
  CAS-BOT-BC303825  Gnaphalium John H. Thomas 1965-4-29 10612 San Mateo San Bruno Mt in N part of county 396 Comment
  RSA184920  Gnaphalium chilense L. S. Rose 1966-8-6 66079 San Mateo Colma Canyon, San Bruno Mountain 122 Comment
  CAS-BOT-BC344857  Gnaphalium palustre Peter Rubtzoff 1975-10-11 8423 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. Comment
  POM58030  Gnaphalium stramineum E. B. Copeland 1903-6-18 3211 San Mateo Montara Point. Comment
  POM359110  Grindelia D. D. Keck 1932-5-25 1783 San Mateo Hills two miles W of Belmont Comment
  UCR252691  Grindelia A. C. Sanders 2014-8-3 41238 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
  CAS-BOT-BC304505  Grindelia hirsutula David D. Keck 1931-9-27 1273 San Mateo Dumbarton Bridge Comment
  CAS-BOT-BC304510  Grindelia hirsutula David D. Keck 1931-9-27 1273 San Mateo Dumbarton Bridge Comment
  CAS-BOT-BC304517  Grindelia hirsutula L. R. Abrams 1909-8-2 4249 San Mateo Santa Cruz Peninsula. 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-BC304533  Grindelia hirsutula Lewis S. Rose 1933-7-21 33306 San Mateo Montara Comment
  CAS-BOT-BC304548  Grindelia hirsutula A. A. Heller 1907-5-28 8575 San Mateo Above Crystal Springs on the Half Moon Bay road Comment
  CAS-BOT-BC304556  Grindelia hirsutula Phillip C. Wheeler 1965-4-27 s.n. San Mateo San Bruno Mountain. Sierra Point Comment
  CAS-BOT-BC304559  Grindelia hirsutula Alice Eastwood 1912-6-10 322 San Mateo Crystal Springs Comment
  CAS-BOT-BC304567  Grindelia hirsutula Lewis S. Rose 1933-6-9 33221 San Mateo San Andreas Lake Comment
  POM203263  Grindelia hirsutula J. T. Howell 1933-5-26 11348 San Mateo Crystal Springs Lake. Comment
  POM57689  Grindelia hirsutula C. F. Baker 1903-4-8 s.n. San Mateo San Andreas Lake Comment
  UC483491  Grindelia hirsutula Ira L. Wiggins 1929-7-4 3799 San Mateo sea bluffs at Pescadero Beach Pescadero Beach Comment
  JROH815  Grindelia hirsutula John H. Thomas 1970-4-4 15541 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH816  Grindelia hirsutula D. E. Breedlove 1971-5-31 19369 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  UCSB24492  Grindelia hirsutula McMinn, Howard 1922-6-22 San Mateo Court road & Half Moon Bay Comment
  OBI49183  Grindelia stricta var. angustifolia Lewis S. Rose 1938-8-18 38229 San Mateo Brisbane 2 Comment
  SJSU15765  Grindelia stricta var. angustifolia Toni Corelli 2011-8-31 721 a San Mateo Pescadero State Beach and Marsh Natural Preserve. Along Butano Trail on levy along Butano Creek. 3 Comment
  CAS-BOT-BC306285  Hedypnois cretica Thayne C. Parks 1963-5-28 321 San Mateo In Woodside Road, about 2 miles east of summit Comment
  CAS-BOT-BC309537  Helenium puberulum Josephine D. Randall 1907-7-24 71 San Mateo Santa Cruz Peninsula. Near Crystal Springs Lake Comment
  JEPS35417  Helenium puberulum L. M. Newlon 1921-7-30 254 San Mateo seashore from Salada to Mussel Comment
  POM54261  Helenium puberulum A. D. E. Elmer 1903-07 4972 San Mateo Crystal Springs Lake Comment
  UC1598594  Helenium puberulum A. D. E. Elmer Jul 1903 4972 San Mateo Crystal Springs Lake Comment
  UCR254882  Helenium puberulum Peter Rubtzoff 1976-6-30 8710 San Mateo Central Coast, San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 213 Comment
  CAS-BOT-BC309530  Helenium puberulum E. M. Zeile 1921-7-30 1132 San Mateo Mussel Rock Comment
  POM54388  Helenium puberulum A. D. E. Elmer 1903-07 4968 San Mateo San Mateo Comment
  RSA18443  Helenium puberulum C. B. Wolf 1927-6-29 565 San Mateo 3 miles south of San Gregorio. Comment
  CAS-BOT-BC305341  Helianthella castanea Glenn L. Clifton 1988-5-11 17823 San Mateo San Bruno Mountain, canyon on north-facing slope above Brisbane, adjacent to right-of-way of eastern-most set of PGandE high-voltage powerlines crossing the mountain 256 Comment
  CAS-BOT-BC224054  Helianthemum scoparium Fred Hemphill 1973-5-6 772 San Mateo San Carlos. North of Malabar Rd. and Melendy Dr. 207 Comment
  RSA0012931  Helianthus californicus L. R. Abrams 1902-09 2989 San Mateo Menlo Park. Comment
  SJSU8350  Helianthus californicus J. L. Bonora 1963-10-11 San Mateo Redwood City Recreationn Center, Redwood City Comment
  UCSC006543  Heliotropium curassavicum Randall Morgan 1988-6-4 1227 San Mateo N of lighthouse at Pigeon Point Comment
  CAS-BOT-BC305931  Helminthotheca echioides Alice Eastwood 1919-9-1 s.n. San Mateo San Mateo Comment
  JROH1174  Helminthotheca echioides John Hunter Thomas 1982-7-22 21086 San Mateo Jasper Ridge Biological Preserve, Stanford University; near main gate on Sand Hill Rd. Comment
  CAS-BOT-BC453465  Hemitomes congestum Louise Koenig 1928-6-1 s.n. San Mateo Skyline Boulevard in a canyon at the head of La Honda Creek Comment
  RSA81601  Hemizonia congesta James I. McMurphy 1909-6-13 s.n. San Mateo Summit, between Colma and San Bruno. Comment
  SEINET11848411  Hemizonia congesta Unknown 1932-1 9100 San Mateo Half Moon Bay Comment
  CAS-BOT-BC313451  Hemizonia congesta subsp. luzulifolia L. R. Abrams 1902-5-11 2446 San Mateo Crystal Springs Comment
  CAS-BOT-BC314916  Hemizonia congesta subsp. luzulifolia J. H. Thomas 1958-6-11 7228 San Mateo About 4.3 miles due east of Belmont near Crystal Springs Reservoir 91 Comment
  CAS-BOT-BC314919  Hemizonia congesta subsp. luzulifolia John H. Thomas 1959-8-22 8078 San Mateo Jasper Ridge, about 5 miles southwest of Palo Alto 182 Comment
  CAS-BOT-BC314924  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1941-10-24 41470 San Mateo Belmont 6 Comment
  CAS-BOT-BC314945  Hemizonia congesta subsp. luzulifolia A. D. E. Elmer 1903-5-1 4805 San Mateo Crystal Springs Lake Comment
  JEPS40999  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-9-5 64070 San Mateo w Redwood City; Emerald Lake 243 Comment
  JROH868  Hemizonia congesta subsp. luzulifolia John H. Thomas 1974-10-26 17635 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH869  Hemizonia congesta subsp. luzulifolia John H. Thomas 1974-10-26 17635 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD30842  Hemizonia congesta subsp. luzulifolia Edith A. Purer 1933-8-4 5398 San Mateo Along roadsides of Bayshore Highway. Comment
  SEINET11841255  Hemizonia corymbosa E. H. Graham 1931-1 6924 San Mateo Ano Nuevo Point Comment
  POM284876  Hemizonia corymbosa subsp. corymbosa Lyman Benson 1934-7-4 6102 San Mateo Moss Beach; Pacific Ocean watershed 15 Comment
  RSA81624  Hemizonia corymbosa subsp. corymbosa James I. McMurphy 1907-8-6 s.n. San Mateo Between Woodside and Crystal Springs. Comment
  RSA94181  Hemizonia corymbosa subsp. corymbosa D. D. Keck 1932-5-11 1765 San Mateo 1 mile E of San Gregorio. 50 Comment
  POM296654B  Hemizonia luzulifolia L. S. Rose 1941-10-24 41470 San Mateo Belmont. 6 Comment
  POM53591  Hemizonia luzulifolia C. F. Baker 1903-6-30 3350 San Mateo Crystal Springs Comment
  RSA184852  Hemizonia luzulifolia L. S. Rose 1965-8-27 65094 San Mateo Emerald Lake, West of Redwood City 183 Comment
  POM195795  Hemizonia luzulifolia L. R. Abrams 1914-7-15 5140 San Mateo Crystal Springs. Comment
  SEINET11848429  Hemizonia luzulifolia L. S. Rose 1937-1 37662 San Mateo Emerald Lake, W of Redwood City 183 Comment
  SEINET11848436  Hemizonia pungens E. A. Purer 1933-1 5399 San Mateo along Bayshore Highway Comment
  RSA172336  Heracleum maximum R. F. Thorne, P. Everett 1963-6-9 32225 San Mateo On top of San Bruno Mt. Near the TV tower 335 Comment
  RSA18317  Heracleum maximum C. B. Wolf 1929-5-20 3720 San Mateo No. end of Searsville Lake. Comment
  JROH886  Hesperevax sparsiflora var. sparsiflora John Hunter Thomas 1978-4-20 19084 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH899  Hesperevax sparsiflora var. sparsiflora John Hunter Thomas 1991-5-2 25008 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH900  Hesperevax sparsiflora var. sparsiflora John Hunter Thomas 1991-5-9 25044 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH902  Hesperevax sparsiflora var. sparsiflora John Hunter Thomas 1992-4-23 25147 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC403865  Hesperocnide tenella Walter Knight; Irja Knight 1964-5-30 615 San Mateo San Bruno Mountain. Colma Canyon Comment
  CAS-BOT-BC403870  Hesperocnide tenella James McMurphy 1906-5-14 s.n. San Mateo Above Stanford Residence, San Francisquito Creek Comment
  CAS-BOT-BC176206  Hesperolinon congestum Marion Gallagher 1978-6-1 s.n. San Mateo At Farm Hill above Redwood City Comment
  CAS-BOT-BC176209  Hesperolinon congestum L. R. Abrams 1910-5-7 s.n. San Mateo Crystal Springs Lake Comment
  RSA112351  Hesperolinon congestum L. R. Abrams 1920-6-1 7497 San Mateo Back of Redwood City. Comment
  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
  JROH2928  Hesperolinon micranthum John H. Thomas 1969-6-4 15107 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC148473  Heteromeles arbutifolia A. D. E. Elmer 1903-2-1 s.n. San Mateo Portola Comment
  RSA451285  Heteromeles arbutifolia L. S. Rose 1942-8-11 42227 San Mateo Skyline Blvd, W of San Bruno. 91 Comment
  UC1128087  Heteromeles arbutifolia G. E. Sindel 1935-7-23 295 San Mateo 1/4 mi n of Pescadero Creek 121 Comment
  UC311087  Heteromeles arbutifolia A. D. E. Elmer Feb 1903 4575 San Mateo Portola Comment
  UC860403  Heteromeles arbutifolia Lewis S. Rose 1937-10-31 37726 San Mateo hills w Tanforan 91 Comment
  OBI16088  Heterotheca sessiliflora subsp. bolanderi Lewis S. Rose 1966-8-20 66087 San Mateo San Bruno Mtn, summit 366 Comment
  RSA640952  Heterotheca sessiliflora subsp. bolanderi R. F. Thorne, George B. Everett 1963-6-9 32215 San Mateo On Kamchatka Point near TV tower on San Bruno Mountain. 335 Comment
  CAS-BOT-BC310762  Heterotheca sessiliflora subsp. echioides E. A. McGregor 1906-9-23 s.n. San Mateo Corte de Madera Comment
  CAS-BOT-BC310763  Heterotheca sessiliflora subsp. echioides W. R. Dudley 1895-9-21 s.n. San Mateo Santa Cruz Mountain Peninsula. By road near Bay back of Menlo Park Comment
  CAS-BOT-BC420887  Heuchera micrantha var. diversifolia David D. Keck 1932-6-1 1794 San Mateo Above Woodside on La Honda road, east slope of Santa Cruz Mtns. 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
  CAS-BOT-BC424225  Heuchera micrantha var. hartwegii John H. Thomas 1961-5-7 9283 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  SEINET10598881  Hierochloe occidentalis Charles F. Baker 1902-1-15 Baker 247 San Mateo West side King's Mountain. About ledges and rocky places Comment
  JROH1532  Hirschfeldia incana John H. Thomas 1964-11-15 10528 San Mateo Jasper Ridge Biological Preserve, Stanford University; above Searsville Lake Comment
  JROH5577  Hirschfeldia incana John Rawlings 2012-7-9 1203 San Mateo Jasper Ridge Biological Preserve, Stanford University. 106 Comment
  CAS-BOT-BC289250  Holcus lanatus Elizabeth McClintock 1974-11-8 s.n. San Mateo North side of Guadalupe Parkway in the saddle, San Bruno Mountain Comment
  JROH5217  Holcus lanatus John Hunter Thomas 1989-5-30 24756 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD84964  Holcus lanatus Josephine D. Randall 1907-6-29 159 San Mateo Portola Valley. Comment
  CAS-BOT-BC228580  Holodiscus discolor Peter W. Fritsch; Lu Lu; Lisa Fritsch; Nathan Fritsch 2012-6-30 1938 San Mateo San Bruno State Park, Summit Loop Trail just above the Eucalyptus grove N of the road from the parking area, NE-facing slope 238 Comment
  RSA176728  Holodiscus discolor John H. Thomas 1962-7-15 9916 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  JROH3688  Holodiscus discolor var. discolor John H. Thomas 1971-5-30 15982 San Mateo Jasper Ridge Biological Preserve, Stanford University. Woods near dam Comment
  JROH3698  Holodiscus discolor var. discolor John Hunter Thomas 1987-5-19 24289 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near lake Comment
  RSA149153  Hordeum brachyantherum John H. Thomas 1961-5-13 9341 San Mateo Coastal sand dunes at Franklin Point. Comment
  RSA60658  Hordeum brachyantherum I. L. Wiggins 1950-5-20 12352 A San Mateo Pescadero Beach Comment
  CAS-BOT-BC284684  Hordeum brachyantherum subsp. brachyantherum George Oberlander 1950-4-16 718 San Mateo San Francisco Watershed Reserve. North of San Andreas Lake Comment
  CAS-BOT-BC289532  Hordeum brachyantherum subsp. californicum Ned Cahill 1974-5-30 320 San Mateo Near the intersection of Canada and Edgewood Roads about 3 mi westward from Redwood City Comment
  CAS-BOT-BC289533  Hordeum brachyantherum subsp. californicum Ned Cahill 1974-4-29 183 San Mateo Near the intersection of Canada and Edgewood Roads about 3 mi westward from Redwood City Comment
  JROH5244  Hordeum marinum subsp. gussoneanum John Hunter Thomas 1981-5-19 20606 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET10611055  Hordeum marinum subsp. gussoneanum LeRoy R. Abrams Abrams 1660 San Mateo Cooley's Landing. Comment
  SEINET10859740  Hordeum marinum subsp. gussoneanum Delzie Demaree 1932-5-16 Demaree 9139 San Mateo Spring valley lakes. Comment
  SEINET11678403  Hordeum murinum E. A. Purer 1933-1 5372 San Mateo 2 mi S of Pigeon Point Comment
  RSA123427  Hordeum murinum subsp. glaucum N. K. Carlson 1935-6-21 75 San Mateo Ridge between Oil and Stale Creeks 671 Comment
  JROH5259  Hordeum murinum subsp. leporinum John Hunter Thomas 1987-5-15 24287 B San Mateo Jasper Ridge Biological Preserve, Stanford University. Low flow crossing. Comment
  CAS-BOT-BC271357  Hordeum vulgare Mary Helen Kelson 1956-4-27 150 San Mateo One mile from beach at Pescadero Comment
  CAS-BOT-BC144011  Horkelia marinensis James McMurphy 1909-6-13 s.n. San Mateo Hills back of Colma Comment
  UCD165064  Hosackia gracilis Peter Rubtzoff; Roman Gankin 1975-5-21 7972 San Mateo San Bruno Mountains. 'Saddle' area on N side of Guadalupe Canyon Parkway west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  CAS-BOT-BC166763  Hypericum anagalloides Peter Rubtzoff 1976-6-30 8704 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  JROH2770  Hypericum calycinum Toni Corelli 2008-10-15 355 San Mateo Jasper Ridge Biological Preserve, Stanford University; west of Road C, beyond Trail 1, before low flow crossing 83 Comment
  CHSC99214  Hypericum canariense John Dittes; Josephine Guardino 2007-6-30 1457 San Mateo Central Coast; Ano Nuevo State Reserve; coastal terrace ca. 2.4 air-mile SE of Pidgeon Point Lighthouse; east side of Highway 1 on slope south and east of Gazos Creek. Undesignated section of Punta Del Ano Nuevo Land Grant. 21 Comment
  UCD160240  Hypericum canariense Christopher Dillis 2015-5-15 3 San Mateo South of Pescadero on Hwy 1 (Cabrillo Hwy), 400 m south of Highway Brewing Company, then east 120 m on unmarked 1-lane dirt road; 10 m southwest of intersection with Old Coast Highway. 200 Comment
  UCD160244  Hypericum canariense Christopher Dillis 2015-5-15 7 San Mateo South of Pescadero on Hwy 1 (Cabrillo Hwy), 400 m south of Highway Brewing Company, then east 120 m on unmarked 1-lane dirt road; 10 m southwest of intersection with Old Coast Highway. 200 Comment
  UCD133374  Hypochaeris glabra J. Skoss 1948-8-22 111 -A San Mateo San Vincente Canyon, near Montara. Comment
  CAS-BOT-BC311492  Hypochaeris radicata A. D. E. Elmer 1903-4-1 4861 San Mateo Lake San Andreas Comment
  POM361226  Hypochaeris radicata E. A. Purer 1933-7-27 5394 San Mateo Two miles south of Pigeon Point Comment
  POM55230  Hypochaeris radicata A. D. E. Elmer 1903-04 4861 San Mateo Lake San Andreas Comment
  CAS-BOT-BC311487  Hypochaeris radicata W. R. Dudley 1906-6-10 s.n. San Mateo Santa Cruz Mountain Peninsula. So. Cahill Ridge Comment
  RSA127080  Iris douglasiana John H. Thomas 1959-4-4 7656 San Mateo About 0.7 miles S. of Gazos Creek. About 6.5 miles southward from Pescadero. 46 Comment
  SD38480  Iris douglasiana Edith A. Purer 1933-5-5 3633 San Mateo Alpine Road. Comment
  SEINET4170681  Iris douglasiana Unknown 1925-3-27 San Mateo Burlingame. Comment
  UC1300946  Iris douglasiana Helen K. Sharsmith 1963-2-16 5146 San Mateo Summit of San Bruno Mountain; San Francisco Bay Region 396 Comment
  UCD138715  Iris douglasiana Janet Jacob 1951-4-1 59 San Mateo 7 miles east of Pescadero. Comment
  POM196487  Iris douglasiana W. R. Dudley 1903-5-21 s.n. San Mateo Santa Cruz Peninsula, upper Pescadero Beach 152 Comment
  POM263704  Iris douglasiana R. C. Foster 1937-4-30 213 San Mateo Between San Bruno and the Skyline Boulevard Comment
  SEINET4170688  Iris douglasiana Unknown 1950-4-16 San Mateo Summitt Ridge, San Bueno Mts. 244 Comment
  SEINET8529508 Image available Iris douglasiana Phyllis Kuehn 1967-5-7 18 San Mateo Skyline Blvd. Comment
  CAS-BOT-BC133672  Iris longipetala Javier Penalosa 1963-3-30 2707 San Mateo North of Randolph Drive at Hillside Blvd. in SSF 91 Comment
  POM263469  Iris missouriensis R. C. Foster 1937-4-30 244 San Mateo Near the Skyline Boulevard, north of Kings Mountain Comment
  JROH4431  Iris pseudacorus John R. Barth 1963-4-13 4 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake 103 Comment
  JROH4434  Iris pseudacorus John Hunter Thomas 1981-7-12 20693 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of lake Comment
  CAS-BOT-BC57732  Isoetes howellii J McMurphy 1906-7-28 s.n. San Mateo Coal Mine Ridge - near Portola Comment
  SJSU16039  Isolepis carinata Toni Corelli, John Rawlings 2016-4-29 1764 San Mateo Cascade Field along Cascade Cr. Trail, Ano Nuevo State Park 21 Comment
  CAS-BOT-BC112612  Isolepis cernua John Hunter Thomas 1959-7-8 8017 San Mateo Low moist coastal bluffs as Pescadero Beach. 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
  POM185726  Isolepis cernua E. B. Copeland 1903-5-24 3258 San Mateo Montara Point. Comment
  SD37490  Isolepis cernua Edith A. Purer 1933-7-27 5380 San Mateo Moist places in sand dunes, two miles south of Pigeon Point. (IPB 11/07) Comment
  CAS-BOT-BC112630  Isolepis cernua Elizabeth McClintock; P. Reeberg 1989-5-2 s.n. San Mateo In lower Owl Canyon 45 Comment
  CAS-BOT-BC173706  Juncus balticus Peter Rubtzoff 1977-11-24 9146 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  RSA17947  Juncus bufonius var. bufonius Carl B. Wolf, Le Roy Abrams 1927-6-4 s.n. San Mateo Pescadero. Comment
  JROH4467  Juncus bufonius var. occidentalis John Hunter Thomas 1978-4-25 19151 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU15769  Juncus bufonius var. occidentalis Toni Corelli 2010-5-13 621 San Mateo Pedro Point Headlands, Pacifica, CA. Along Arroyo Trail 167 Comment
  CHSC115873  Juncus effusus subsp. pacificus J. Rawlings 2013-7-23 2001 San Mateo Near Searsville Landing, W shore of Searsville Lake, Jasper Ridge Biological Preserve, Sand Brancisco Bay subregion. 105 Comment
  UC1101015  Juncus effusus subsp. pacificus Malcolm A. Nobs and S. Galen Smith 1949-8-26 1589 San Mateo about 1 mi s Half Moon Bay Comment
  JEPS63809  Juncus lescurii unknown 1925-5-28 3 San Mateo Salada Comment
  UC1133660  Juncus lescurii G. E. Sindel 1935-7-25 308 San Mateo 1 mi w Pescadero; Santa Cruz Quad. 1 Comment
  JROH4478  Juncus occidentalis John H. Thomas 1963-5-12 10078 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4493  Juncus occidentalis John Hunter Thomas 1987-5-19 24302 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA195685  Juncus occidentalis John H. Thomas 1967-5-10 12856 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  UC473496  Juncus occidentalis Kellogg and Brannan 1870-6-1 San Mateo San Gregorio Creek Comment
  CAS-BOT-BC173697  Juncus occidentalis Peter Rubtzoff 1978-5-18 9170 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Marshy area northwest of Fog Forest. Comment
  UC1601800  Juncus phaeocephalus J. Burtt Davy 1893-6-22 756 San Mateo head of Lake Pilarcitos Lake Pilarcitos Comment
  JROH4038  Kickxia elatine Herbert Dengler 1961-9-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; S.F. Creek bed -- about midway between tiger lily site and old Zoology Cabin site -- directly below nesting sites of Kingfisher and Rough-winged Swallow Comment
  JROH4046  Kickxia spuria John Hunter Thomas 1981-9-24 20753 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4040  Kickxia spuria Herbert Dengler 1958-9-9 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; N.E. Nolan Ridge (the ridge N.E. of Corte Madera Cr.) by trail Comment
  JROH5265  Koeleria macrantha H. J. Dengler 1961-4-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Lower serpentine margin of gully on east serpentine near first or east-most enclosure. Comment
  UC501383  Koeleria macrantha David D. Keck 1932-5-6 1476 San Mateo above Millbrae Highlands; above Millbrae Highlands Comment
  CAS-BOT-BC273731  Koeleria pyramidata E. McClintock; Phillip Wheeler 1965-5-23 s.n. San Mateo San Bruno Mountain. Slope below Nike station Comment
  JEPS23959  Lactuca saligna John H. Thomas 1959-8-22 8074 San Mateo about 5 mi sw Palo Alto; Jasper Ridge 152 Comment
  JROH945  Lactuca saligna John H. Thomas 1974-6-30 17459 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC340469  Lactuca saligna Walter Knight; Irja Knight 1963-10-7 328 San Mateo San Bruno Mountain. Cow Trough Ravine Comment
  JROH946  Lactuca saligna John H. Thomas 1976-10-16 18415 San Mateo Jasper Ridge Biological Preserve, Stanford University; along or near San Francisquito Creek from the low flow crossing to the vicinity of the old fireplace ruins downstream Comment
  JROH951  Lactuca serriola John H. Thomas 1974-6-30 17459 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR256305  Lactuca virosa Peter Rubtzoff, Roman Gankin 1975-9-11 8374 San Mateo San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 213 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-BC341634  Lagophylla ramosissima L. R. Abrams 1920-6-1 7493 San Mateo Santa Cruz Mountain Peninsula. Back of Redwood City Comment
  JROH961  Lagophylla ramosissima John H. Thomas 1969-5-28 15087 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM194884  Lagophylla ramosissima D. D. Keck, William M. Heusi 1929-10-24 500 San Mateo Summit of Coast Range, Alpine Creek Road. 686 Comment
  CAS-BOT-BC272430  Lamarckia aurea W. R. Dudley 1906-5-19 s.n. San Mateo Hillside toward Cordilleras Creek and Whipple Road on Britton Ranch west of Redwood City, Santa Cruz Peninsula Comment
  CAS-BOT-BC339066  Lasthenia californica John Thomas Howell 1933-5-3 11204 San Mateo San Bruno Hills Comment
  POM55156  Lasthenia californica E. B. Copeland 1903-6-5 3338 San Mateo Montara Point. Comment
  SD30710  Lasthenia californica Edith A. Purer 1933-4-25 3659 San Mateo Jasper Ridge Comment
  UCSB18865  Lasthenia californica John Schulte 1963-4-26 96 San Mateo collected 3.0 mi SW, along Jasper Ridge, between Santa Clara Valley and Santa Cruz Mountains UC Stanford - Jasper Ridge, UCS 152 Comment
  CAS-BOT-BC339057  Lasthenia californica Lewis S. Rose 1956-5-28 56081 San Mateo Skyline Blvd w. of San Mateo 182 Comment
  CAS-BOT-BC339069  Lasthenia californica Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mountain. South Power Line Ridge Comment
  CAS-BOT-BC339078  Lasthenia californica H. A. Dutton 1910-3-25 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  JEPS9815  Lasthenia californica subsp. californica R. F. Hoover 1939-4-21 4055 San Mateo 2 mi s Colma Comment
  JROH980  Lasthenia californica subsp. californica John Hunter Thomas 1988-5-3 24440 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC517990  Lasthenia californica subsp. californica Lewis S. Rose 1933-4-30 33128 San Mateo Redwood City Comment
  UC90022  Lasthenia californica subsp. californica Alice Eastwood 1901-5-19 San Mateo Blenheim Comment
  CAS-BOT-BC355496  Lasthenia glaberrima R. Bacigalupi 1923-4-16 s.n. San Mateo Field near San Francisquito Creek near Stanford University Comment
  CAS-BOT-BC355499  Lasthenia glaberrima R. Bacigalupi 1923-4-16 s.n. San Mateo Field near San Francisquito Creek near Stanford University Comment
  UC194043  Lasthenia glabrata subsp. glabrata E. L. Greene 1886-4-5 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-BC355545  Lasthenia glabrata var. glabrata Roxana S. Ferris 1927-4-28 6866 San Mateo Redwood City Comment
  CAS-BOT-BC355550  Lasthenia glabrata var. glabrata Ned Cahill 1974-4-18 132 San Mateo Near intersection of Canada and Edgewood Roads, about 3 mi westward from Redwood City. Comment
  JROH973  Lasthenia gracilis John H. Thomas 1966-4-6 11552 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA22957  Lathyrus latifolius L. R. Abrams, I. L. Wiggins, D. Abrams 1939-6-3 421 San Mateo Roadside 3-4 miles east of San Gregorio, on La Honda Road. Comment
  RSA158048  Lathyrus littoralis W. R. Russell 1961-6-5 s.n. San Mateo 1 block west of business district, north end of Pacifica (formerly Sharp Park). Comment
  POM277778  Lathyrus polyphyllus Lyman Benson 1930-5-3 2103 San Mateo Above Woodside, Mt. Range: Santa Cruz 244 Comment
  RSA176925  Lathyrus vestitus subsp. vestitus John H. Thomas 1961-5-7 9287 San Mateo San Bruno Mountain in northern part of county. 305 Comment
  UC1300854  Lathyrus vestitus var. vestitus Helen K. Sharsmith 1963-2-16 5142 a San Mateo above Daly City (lower slopes of San Bruno Mountain); San Francisco Bay Region, San Bruno Mountain 106 Comment
  CAS-BOT-BC321074  Layia gaillardioides James McMurphy 1907-4-27 s.n. San Mateo Kings Mt. Comment
  UC30645  Layia gaillardioides J. Burtt Davy 1895-4-20 1081 San Mateo San Mateo Creek Comment
  UC990575  Layia gaillardioides James I. McMurphy 1909-5-25 San Mateo above Pulpit Rock; San Mateo Canyon Comment
  CAS-BOT-BC321097  Layia gaillardioides David D. Keck 1932-5-6 1483 San Mateo Skyline Blvd. W of Millbrae Highlands, Santa Cruz Mountains. Comment
  SD39841  Layia hieracioides Edith A. Purer 1933-7-27 5397 San Mateo Two miles south of Pigeon Point Comment
  CAS-BOT-BC327455  Layia hieracioides David D. Keck 1933-5-11 2306 San Mateo Skyline Boulevard, east of Salada, northern San Mateo County. Comment
  CAS-BOT-BC327501  Layia hieracioides John Thomas Howell 1938-5-1 13769 San Mateo Colma Canyon [written on sheet in other hand: San Bruno Hills, acc. J.T.H. notebook] Comment
  CAS-BOT-BC327527  Layia hieracioides James I. McMurphy 1909-5-25 s.n. San Mateo Grade W of Crystal Springs Lakes Comment
  JROH982  Layia hieracioides John H. Thomas 1958-5-10 7158 San Mateo Jasper Ridge Biological Preserve, Stanford University; along trail near Searsville Lake Comment
  CAS-BOT-BC382076  Layia platyglossa Roxana S. Ferris 1921-4-7 21030 San Mateo San Bruno Mt. 213 Comment
  JROH991  Layia platyglossa John H. Thomas 1955-5-6 4085 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU1070  Layia platyglossa C. W. Sharsmith 1951-4-6 5827 San Mateo Woodside Hills c. 3 mi W of Woodside 182 Comment
  CAS-BOT-BC382079  Layia platyglossa A. D. E. Elmer 1903-4-1 5022 San Mateo Crystal Srpings Lake Comment
  CAS-BOT-BC527267  Lemna minuta Ira L. Wiggins 1980-9-1 22271 San Mateo Pool in San Francisquito Creek, ca. 250 m. upstream from Pope Street Bridge, Menlo Park Comment
  CDA987  Leontodon taraxacoides D. G. Kelch, B. G. Baldwin, Sue Bainbridge, Abigail Moore 2005-6-21 5 .37 San Mateo S.F. Water District land, near Spring Valley. NE corner Pilarcitos Lake. Comment
  CAS-BOT-BC221533  Lepechinia calycina Lewis S. Rose 1937-5-23 37320 San Mateo Belmont 91 Comment
  POM190253  Lepechinia calycina D. D. Keck 1932-5-25 1779 San Mateo Hills 2 miles W of Belmont Comment
  UC76164  Lepechinia calycina Milo S. Baker 1904-5-15 San Mateo near Burlingame Comment
  RSA52666  Lepidium didymum I. L. Wiggins 1949-7-2 12198 San Mateo Pescadero Beach. Comment
  CAS-BOT-BC89137  Lepidium didymum Malcom A. Nobs; Stanley Galen [S. Galen] Smith 1949-8-26 1594 San Mateo Marshes at the south of Pescadero Creek. Comment
  UCD115359  Lepidium didymum J. D. Skoss 1948-7-25 53 San Mateo San Vicente Canyon near Montara. Comment
  CDA3808  Lepidium latifolium J. T. Howell 1978-7-18 53189 San Mateo Airport Sheraton, Airport Boulevard., Burlingame 0 Comment
  JROH1541  Lepidium nitidum John H. Thomas 1956-4-7 5618 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1544  Lepidium nitidum John H. Thomas 1973-3-11 16479 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1555  Lepidium nitidum John Rawlings 2008-3-14 1032 San Mateo Jasper Ridge Biological Preserve, Stanford University. West Serpentine Chaparral 169 Comment
  CAS-BOT-BC12781  Lepidium perfoliatum David D. Keck 1932-3-24 1400 San Mateo Redwood City. At border of San Francisco Bay. Comment
  JROH5725  Leptochloa fusca subsp. fascicularis John Rawlings 2015-9-22 1638 San Mateo Jasper Ridge Biological Preserve, Stanford University. In mud of Corte Madera Creek delta near open water 104 Comment
  CAS-BOT-BC226607  Leptosiphon ambiguus L. R. A. 1902-5-4 2415 San Mateo Woodside Comment
  JROH3177  Leptosiphon androsaceus Toni Corelli 2003-6-23 263 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 1 83 Comment
  CAS-BOT-BC226725  Leptosiphon latisectus W. R. Dudley 1901-5-11 s.n. San Mateo Santa Cruz Peninsula. Near Colma Comment
  POM65529  Leptosiphon liniflorus A. D. E. Elmer 1903-06 4704 San Mateo Crystal Springs Lake, southern end. Comment
  SD214610  Leptosiphon parviflorus Carl B. Wolf 1929-5-25 3727 San Mateo Pebble Beach so. of Pescadero Comment
  SJSU8745  Leptospermum laevigatum A. M. Jesse 1979-4-21 San Mateo Sawyer Rd, Crystal Springs Reservoir Comment
  CAS-BOT-BC324071  Lessingia arachnoidea Peter H. Raven 1957-9-1 11301 San Mateo Along State Highway 5 (Skyline Blvd.) at Woodside Road Comment
  SD62328  Lessingia arachnoidea Willard Spence 1960-7-2 555 San Mateo Route 5, Crystal Springs Lake Comment
  SJSU15850  Lessingia arachnoidea John Rawlings, Ken Hickman 2015-6-8 1578 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
  NY180564  Lessingia bakeri C. F. Baker 1902-10-20 1834 San Mateo Searsville Comment
  JROH1007  Lessingia glandulifera var. glandulifera John H. Thomas 1961-6-7 9532 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1013  Lessingia glandulifera var. glandulifera John H. Thomas 1975-5-26 17902 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1027  Lessingia glandulifera var. glandulifera Carol Zabel 1989-9-4 36 San Mateo Jasper Ridge Biological Preserve, Stanford University; near side of Road E, 100 yards down from intersection of Roads D, E, and F Comment
  CAS-BOT-BC324181  Lessingia hololeuca W. R. Dudley 1902-9-21 s.n. San Mateo Whipple Road, near Crystal Springs Lakes Comment
  RSA210924  Lessingia hololeuca John H. Thomas 1969-10-19 15479 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  RSA608390  Lessingia hololeuca L. S. Rose 1936-9-19 s.n. San Mateo Crystal Springs Lake 152 Comment
  JROH5839  Leucanthemum maximum Ann Lambrecht, Alice Cummings 2011-8-2 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. In now-dry bed of San Francisquito Creek below Dennis Martin marker Comment
  UC905072  Leucanthemum vulgare John Thomas Howell 1949-7-4 24356 San Mateo n of Millbrae; Skyline Blvd. Comment
  CAS-BOT-BC272289  Leymus X multiflorus J. H. Thomas 1963-6-23 10159 San Mateo Along Alpine Road near Ladera Comment
  CAS-BOT-BC272324  Leymus mollis W. R. Bentley 1957-5-11 82 San Mateo Along State Highway #1 about 2 miles south of Pescadero Comment
  UCD64581  Leymus mollis Beecher Crampton 1962-6-11 6511 San Mateo Sharp Park, Mori's Point. Comment
  UC306542  Ligusticum apiifolium A. D. E. Elmer June 1903 4966 San Mateo San Mateo Comment
  JROH2986  Ligustrum vulgare John Rawlings 2007-4-11 1052 San Mateo Jasper Ridge Biological Preserve, Stanford University; near the cleared area of private property bordering the Preserve and Corte Madera Creek 115 Comment
  CAS-BOT-BC451667  Lilaea scilloides Carl B. Wolf 1929-4-29 3663 San Mateo 1 mi. so. of Portola in sm. reservoir Comment
  SEINET12182118  Limnanthes douglasii Unknown 1932-1 9103 San Mateo Roadside between Spring Valley Lake and Sky Line Drive Comment
  CAS-BOT-BC45871  Limnanthes douglasii var. sulphurea J. Ed. McClellan; Bonnie McClellan 1968-4-13 n.s San Mateo Butano Creek Canyon Comment
  UC2046448  Limonium californicum Michael Perlmutter 2011-10-2 s.n. San Mateo Coyote Point Marina. County of San Mateo Department of Parks. Comment
  CHSC114258  Limonium ramosissimum Michael Perlmutter 2011-6-15 San Mateo Burlingame, Sanchez Marsh. Comment
  UC124881  Linanthus androsaceus C. F. Baker 1902-4-6 469 San Mateo Crystal Springs Lake Comment
  UC52732  Linanthus androsaceus Ivan Tidestrom May 1894 San Mateo San Mateo Comment
  JEPS48590  Linanthus androsaceus James G. Daly 1934-1 332 San Mateo Upper Alpine Canyon, sw San Mateo County Santa Cruz Mts., San Gregorio Watershed 30 Comment
Read comments
Mar 12 2009
  SEINET12279017  Linanthus androsaceus Unknown 1932-1 9020 San Mateo Los Francos Woods Comment
  UC907992  Linanthus androsaceus J. M. Webber 1926-4-29 San Mateo Merced Lake Comment
  SEINET8729325 Image available Linanthus androsaceus subsp. croceus Herbert L. Mason 1935-1 8315 San Mateo Pebble Beach, Pescadero Comment
  JROH3182  Linanthus dichotomus W. R. Dudley 1896-3-8 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lake Comment
  UC1745718  Linanthus dichotomus Annetta Carter, Helen Sharsmith 1937-5-23 1318 San Mateo E side of Middle Crystal Springs Lake, about 1/2 mi. N of dam. Comment
  SEINET3696192 Image available Linanthus liniflorus Lewis S. Rose 1932-5-3 32217 San Mateo San Bruno. 183 Comment
  UC125987  Linanthus liniflorus C. F. Baker 1902-5-4 760 San Mateo Woodside Comment
  UC73618  Linanthus liniflorus Milo S. Baker 1904-5-15 San Mateo near Burlingame Comment
  SEINET12279096  Linanthus liniflorus L. S. Rose 1932-1 32217 San Mateo San Bruno 183 Comment
  JEPS112713  Linanthus parviflorus Dean W. Taylor 1994-5-10 14270 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
  CDA6327  Linaria genistifolia subsp. dalmatica A. Roach 1970-12-22 San Mateo Southern Pacific Railroad tracks, 50 yards south of the east end of 14th Avenue, San Mateo. 0 Comment
  CDA28966  Lithocarpus densiflorus D. G. Kelch 2009-6-9 9 .392 San Mateo Santa Cruz Mtns.; King s Mtn. Rd. N of Summit Springs. Comment
  CAS-BOT-BC36026  Lithocarpus densiflorus var. densiflorus Ira L. Wiggins 1925-4-1 1661 San Mateo On Kings Mountain Road one mile above Woodise just above the first Pseudotsuga menziesii on the right edge of the road Comment
  POM270415B  Lithocarpus densiflorus var. densiflorus Lyman Benson 1932-7-25 3952 San Mateo Kings Mt., above Woodside, Santa Cruz Mt range, San Francisquito Creek watershed. 305 Comment
  JROH3892  Lithophragma affine John Hunter Thomas 1983-4-5 21318 San Mateo Jasper Ridge Biological Preserve, Stanford University; below rattlesnake rock Comment
  RSA274346  Lithophragma affine subsp. affine Lyman Benson 1928-4-24 92 San Mateo N end Searsville ridge. Stanford University. Santa Cruz mtn range. San Francisquito creek. 91 Comment
  CAS-BOT-BC430972  Lithophragma bolanderi Le Roy Abrams 1901-4-1 1165 San Mateo near Woodside Comment
  CAS-BOT-BC430973  Lithophragma bolanderi Mita C. Daniel 1915-4-1 s.n. San Mateo King's Mountain Comment
  JROH3900  Lithophragma heterophyllum Brenda Butner and Toni Corelli 1990-3-30 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 3 Comment
  CAS-BOT-BC342308  Logfia filaginoides Peter H. Raven 1950-4-16 1803 San Mateo Summit ridge, San Bruno Mts. 243 Comment
  JROH746  Logfia gallica John Hunter Thomas 1989-5-9 24705 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC342462  Logfia gallica D. E. Breedlove 1974-5-13 36225 San Mateo San Pedro Valley Park, Pacifica 152 Comment
  CAS-BOT-BC173830  Lolium multiflorum Peter Rubtzoff 1977-6-21 9058 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, northwest of Fog Forest. Comment
  CAS-BOT-BC283221  Lolium multiflorum Elizabeth McClintock; Carlyn Halde; Walter & Irja Knight 1963-6-23 s.n. San Mateo San Bruno Mountains. Lower part of Colma Canyon Comment
  JEPS71241  Lolium multiflorum William S. Cooper 1919-7-22 213 San Mateo Ano Nuevo Pt. Comment
  RSA452094  Lomatium dasycarpum subsp. dasycarpum Glenn A. Gorelick 1967-2-10 s.n. San Mateo San Bruno Mountains, overlooking Daly City near San Francisco. Comment
  JROH276  Lomatium macrocarpum John H. Thomas 1973-4-20 16583 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM132671  Lomatium macrocarpum A. D. E. Elmer 1903-04 4926 San Mateo Crystal Springs Lake. Comment
  JROH275  Lomatium macrocarpum John H. Thomas 1963-3-20 10026 San Mateo Jasper Ridge Biological Preserve, Stanford University; serpentine area on north side of ridge near Westridge end Comment
  UC202775  Lomatium utriculatum A. D. E. Elmer April, 1903 4794 San Mateo Crystal Springs Lake Comment
  JROH1655  Lonicera hispidula John H. Thomas 1975-6-5 17934 San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack Comment
  UCD18547  Lonicera hispidula Roman Gankin 1950-7-9 18 San Mateo west side of the Peninsula Coast Range, San Mateo County Memorial Park, redwood belt. 213 Comment
  RSA120039  Lonicera hispidula var. vacillans W. R. Dudley 1896-9-15 s.n. San Mateo El Corte Madera Creek. Santa Cruz Mountain Peninsula. Comment
  SEINET8907183  Lonicera interrupta A. D. 1974-1 San Mateo hwy. 35 ca. 6 mi. from Jct. hwy. 92 701 Comment
  JEPS90725  Lonicera involucrata Dean W. Taylor 1989-4-18 10220 San Mateo ridgetop between Ox Hill and Scarper Peak; Santa Cruz Mountains, Montara 7 1/2 quadrangle 472 Comment
  RSA18355  Lonicera involucrata var. ledebourii C. B. Wolf 1929-5-25 3733 San Mateo 2 miles from Pescadero on Alpine Creek. Comment
  SBBG53038  Lonicera involucrata var. ledebourii C. Bornstein 1994-6-7 San Mateo Gazos Crk Rd, 0.9 mi E of Hwy 1 22 Comment
  JEPS34466  Lotus benthamii L. R. Heckard, and R. Bacigalupi 1963-7-2 1335 San Mateo trail to Montara Peak (nw slope), above old county road Montara Peak 335 Comment
  UCR123137  Lotus corniculatus George K. Helmkamp, E. A. Helmkamp 2001-6-2 6798 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
  JROH2050  Lotus corniculatus John Hunter Thomas 1988-6-2 24496 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC2126  Lotus formosissimus J. Wendell Howe 1930-5-27 San Mateo Pigeon Point Rd., 3 mi. S of Pescadero Comment
  RSA100998  Lotus formosissimus G. Oberlander 1949-7-24 268 San Mateo Pilarcitos Canyon, San Francisco Watershed Reserve. Comment
  RSA18332  Lotus formosissimus Carl B. Wolf 1929-5-10 3703 San Mateo Coast at Pigeon Pt. South of Pescadero. Comment
  UC665645  Lotus formosissimus Ethel Crum 1934-4-29 1701 San Mateo s of Pescadero 30 Comment
  UC81142  Lotus formosissimus Katharine Brandegee Jun 1905 San Mateo Moss Beach near Halfmoon Bay; Moss Beach Comment
  POM18624  Lotus stipularis C. F. Baker 1902-5-10 805 San Mateo Kings Mountain. Comment
  POM276693  Lotus unifoliolatus Lyman Benson 1930-5-26 2142 San Mateo Stanford University. Lake Searsville. 152 Comment
  HSC23870  Lotus unifoliolatus var. unifoliolatus Mary Katherine Wicksten 1971-6-15 24 San Mateo Huddart Park Rd. bank near office Comment
  HSC24026  Ludwigia peploides subsp. peploides Mary Katherine Wicksten 1971-6-20 70 San Mateo San Francisquito Creek, by Oak Knoll School Comment
  UCR240782  Lupinus T. B. Salvato, Lia V. D. Mansfield, Joel-Henry J. Mansfield 2008-6-14 3514 San Mateo Central Coast, Pebble Beach State Beach, 12.5 mi north of Santa Cruz Co. line, along Hwy 1, Pacific Coast Hwy, 1.65 mi south of road to Pesacadero and 16 mi south of Half Moon Bay 11 Comment
  POM77731  Lupinus affinis C. P. Smith 1921-4-9 3293 San Mateo San Mateo Canyon Comment
  SEINET12154347  Lupinus albicaulis L. K. Henry 1956-1 s.n. San Mateo along Pacific Ocean, at Pigeon Pt. Lighthouse on Rt 1 Comment
  SEINET10488379  Lupinus albifrons Charles Piper Smith 1948-4-23 Smith 48150 San Mateo Canada road 4 miles n of woodside Comment
  UCSB11482  Lupinus albifrons Olson, Jim 1962-4-17 San Mateo 10 miles north of Woodside on Canada Road 76 Comment
  CAS-BOT-BC195805  Lupinus albifrons var. albifrons Charles Piper Smith 1948-4-23 48149 San Mateo Canada Road - 4 miles north of Woodside Comment
  CAS-BOT-BC195810  Lupinus albifrons var. albifrons C. F. B. 1902-3-22 341 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC195817  Lupinus albifrons var. albifrons Josephine D. Randall 1907-7-23 199 San Mateo Near Crystal Springs Lake Comment
  RSA15300  Lupinus albifrons var. albifrons Carl B. Wolf 1927-4-3 270 San Mateo 1 mile above La Honda. Santa Cruz Mountains. Comment
  CAS-BOT-BC195798  Lupinus albifrons var. albifrons Charles Piper Smith 1948-6-21 48465 San Mateo Highway 5 - junction Burlingame 4 mile road, 2.7 miles south Comment
  CAS-BOT-BC196110  Lupinus albifrons var. collinus Walter Knight; Irja Knight 1964-3-15 580 San Mateo Colma Canyon Comment
  CAS-BOT-BC196117  Lupinus albifrons var. collinus M. S. Jussel 1931-4-18 s.n. San Mateo Colma Canyon Comment
  JEPS64928  Lupinus albifrons var. collinus Ivar Tidestrom 1894-3-22 San Mateo Comment
  CAS-BOT-BC8521  Lupinus apricus C. P. Smith 1908-3-30 1374 San Mateo Stanford University, field back of Cedro Cottage 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
  CHSC903  Lupinus arboreus A. Koopman 1929-5-9 San Mateo Moss Beach. 9 Comment
  UC1354416  Lupinus arboreus Delzie Demaree 1933-6-12 10377 San Mateo South San Francisco Post Office, Baden Station Baden Station; South San Francisco Post Office, Baden Station Comment
  SEINET12154361  Lupinus arboreus E. A. Purer 1933-1 5371 San Mateo 2miS of Pigeon Point Comment
  POM11077  Lupinus arboreus var. arboreus A. D. E. Elmer 1903-05 4414 San Mateo Colma. Comment
  RSA176779  Lupinus arboreus var. arboreus John H. Thomas 1963-5-20 10109 San Mateo Ano Nuevo Island, 1/2 mile off shore and about 20 miles NW of Santa Cruz. Comment
  SEINET10903830  Lupinus bicolor var. umbellatus Walter Knight, Irja Knight 1964-4-13 Knight 709 San Mateo Power line ridge in grassland. Comment
  CAS-BOT-BC215063  Lupinus chamissonis Charles Piper Smith 1947-4-25 47183 San Mateo Edgemar 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
  RSA18323  Lupinus densiflorus var. aureus Carl B. Wolf 1929-5-17 3712 San Mateo Alpine Road east of Skyline Blvd. Comment
  RSA0069566  Lupinus formosus Daisie Huang 2006-8-6 06080603 San Mateo Inside San Francisco Water Authority land. 288 Comment
  SEINET246721  Lupinus formosus Russell J. Molyneux 2003-7-2 San Mateo Smip Ranch, vicinity of 'Black Pearl' sculpture 398 Comment
  UCD23306  Lupinus formosus Alan T. Whittemore 1976-5-29 113 San Mateo San Francisco Fish and Game Refuge. East side of Lower Crystal Springs Lake, on Sawyer's Camp Road. 94 Comment
  SBBG11058  Lupinus formosus D. E. Breedlove 1961-6-18 600 San Mateo 3 mi S of rd to Half Moon Bay on US 5 365 Comment
  SEINET11071961 Image available Lupinus latifolius A. A. Heller 1907-5-23 San Mateo Back of San Mateo on the Half Moon Bay road Comment
  RSA176412  Lupinus latifolius subsp. latifolius John H. Thomas 1964-4-19 10331 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles SW of Palo Alto Comment
  JROH2122  Lupinus latifolius var. latifolius John H. Thomas 1977-4-29 18575 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SBBG39518  Lupinus microcarpus var. densiflorus L. S. Rose 1970-5-9 70038 San Mateo Chateau Drive near Skyline, Hillsborough 91 Comment
  HSC103498  Lupinus microcarpus var. microcarpus Thomas W. Nelson, Jane Nelson 1981-4-28 6460 San Mateo Along roadside, ~100 yds, E of junction of State Route 280 & 92. Comment
  JROH2133  Lupinus nanus John H. Thomas 1978-4-8 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1129643  Lupinus nanus H. S. Yates 1935-5-8 5200 San Mateo 2 mi n Langley Hill; Santa Cruz Quad., n of Langley Hill Comment
  UC1303093  Lupinus nanus James McMurphy 1911-4-24 San Mateo corner between San Francisquito and Los Trancos creeks near Stanford University; betw San Francisquito and Los Trancos creeks Comment
  UCSB16951  Lupinus nanus Schulte, John 1963-4-14 San Mateo Jasper Ridge, 3 miles SW of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  SEINET5628417 Image available Lupinus nanus A. A. Heller 1907-4-20 8452 San Mateo Near Lake Merced. Comment
  HSC34853  Lupinus succulentus Thomas W. Nelson San Mateo Beside Hwy. 280 S of San Francisco 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
  SEINET10490275  Lupinus vallicola subsp. apricus P. Wheeler 1966-5-1 Wheeler UMO 104189 San Mateo Crocker field industrial park. San bruno mtn. Large colony of blue flowered Lupines with many white flowered plants mixed in. Comment
  SEINET10870826  Lupinus vallicola subsp. apricus Charles Piper Smith 1946-3-26 Smith 46118 San Mateo Woodside, 2.3 m N. Comment
  SEINET7076091 Image available Lupinus variicolor A. G. Vestal 1955-5-31 s.n. San Mateo Near Pebble Beach off Route 1. (NAD 27; 37.2369? deg. North Latitude, 122.4153? deg. West Longitude, UTM Zone 10, 551863mE, 4121109mN). [GPS Coordinate: WGS84/NAD83]. Comment
  UC127021  Lupinus variicolor Alice Eastwood April 1896 San Mateo bet. Crystal Springs and Millbrae; bet. Crystal Springs and Millbrae Comment
  UC82051  Lupinus variicolor Dr. E. B. Copeland 1903-6-3 3302 San Mateo Montara Point Comment
  UC903067  Lupinus variicolor Ethel Crum 1934-4-29 1699 San Mateo 4 mi s Pescadero (open slope near ocean); s of Pescadero Comment
  SEINET10489088  Lupinus variicolor Elizabeth M. McClintock 1963-6-9 McClintock 134 San Mateo San bruno mtn. Exposed slopes below top of mtn. Comment
  UC201933  Lupinus variicolor Miss Harriet A. Walker 1915-4-24 3808 San Mateo in field near road to Millbrae; near road to Millbrae Comment
  JROH4532  Luzula comosa var. comosa John Hunter Thomas 1983-2-21 21282 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC441264  Luzula macrantha Alice Eastwood 1894-5-1 s.n. San Mateo South San Francisco Comment
  CAS-BOT-BC441372  Luzula subsessilis George Oberlander 1950-4-16 639 San Mateo San Andreas Lake Comment
  CAS-BOT-BC441364  Luzula subsessilis Elizabeth McClintock; Arthur Menzies 1963-2-16 s.n. San Mateo San Bruno Mountain: Upper slopes of mountain, below radio station Comment
  CAS-BOT-BC441373  Luzula subsessilis Ira L. Wiggins 1928-4-14 2907 San Mateo Alpine Creek Road Comment
  JROH3363  Lysimachia arvensis John H. Thomas 1967-5-12 12883 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5568  Lysimachia arvensis John Rawlings 2013-4-19 1151 San Mateo Jasper Ridge Biological Preserve, Stanford University. South edge of Trail 11 in chaparral. 145 Comment
  JROH2949  Lythrum hyssopifolia John Hunter Thomas 1978-5-23 19226 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2951  Lythrum hyssopifolia John Hunter Thomas 1979-9-9 19715 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2954  Lythrum hyssopifolia John H. Thomas 1967-6-1 12955 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA0011330  Lythrum hyssopifolia I. L. Wiggins 1949-7-2 12195 San Mateo Pescadero Beach. Comment
  CAS-BOT-BC343900  Madia elegans L. R. Abrams; I. L. Wiggins 1930-11-13 173 A San Mateo Hillside above Crystal Springs Lake Comment
  POM54251  Madia elegans subsp. vernalis A. D. E. Elmer 1903-05 4662 San Mateo Alpine School House. Comment
  JEPS20312  Madia exigua Lewis S. Rose 1956-5-28 56083 San Mateo hills w Redwood City; Emerald Lake 182 Comment
  JROH1040  Madia exigua John H. Thomas 1958-5-10 7141 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA107074  Madia exigua K. C. Rose 1956-5-28 56083 San Mateo Emerald Lake hill W of Redwood City. 183 Comment
  CAS-BOT-BC343336  Madia gracilis David D. Keck 1932-6-1 1788 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
  JROH1071  Madia gracilis John H. Thomas 1969-5-28 15093 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1074  Madia gracilis J. H. Thomas 1977-4-29 18571 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC343325  Madia gracilis Gwendolan Newell 1914-6-18 s.n. San Mateo Raymonds ranch, Los Gatos Comment
  UCD134287  Madia gracilis W. A. Harvey; J. M. Tucker 1948-6-29 1703 San Mateo Beside road to Portola State Park, just west of junction with Highway 5 (Skyline Boulevard). Comment
  POM87787  Madia madioides L. R. Abrams 1902-5-20 2474 San Mateo Kings Mountain Comment
  JROH1099  Madia sativa John H. Thomas 1967-11-5 14132 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  LA209924  Madia sativa Ira L. Wiggins; 1929-7-4 3796 San Mateo Pescadero Beach Comment
  LA83388  Madia sativa O. H. Kappler; 1947-5-23 San Mateo Pescadero Beach Comment
  RSA11166  Madia sativa C. B. Wolf 1927-6-29 561 San Mateo South of Pebble Beach near Pescadero Comment
  UC483494  Madia sativa Ira L. Wiggins 1929-7-4 3796 San Mateo sea bluffs at Pescadero Beach Comment
  CAS-BOT-BC345121  Madia sativa James I. McMurphy 1906-9-24 s.n. San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC345134  Madia sativa Bruce G. Baldwin 1985-9-1 513 b San Mateo 0.5 miles west of Interstate 280 along Sand Hill Road Comment
  CAS-BOT-BC512104  Maianthemum racemosum subsp. amplexicaule Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo Romanzoffia ravine; San Bruno Mountain Comment
  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-BC514171  Maianthemum stellatum Elizabeth McClintock 1965-3-28 s. n. San Mateo In Trillium Gulch, San Bruno Mountain Comment
  SD27772  Maianthemum stellatum Carl B. Wolf 1927-4-3 250 San Mateo 1 mile above La Honda. 244 Comment
  UC575701  Malacothamnus davidsonii Lewis S. Rose 1935-6-11 35213 San Mateo 3 mi w Stanford University Foothills Comment
  CAS-BOT-BC344961  Malus pumila Peter Rubtzoff 1975-10-24 8432 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. Comment
  SJSU2303  Malva arborea C. W. Sharsmith 1950-4-16 6632 San Mateo near Pescadero Point near Pescadero 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
  JROH1899  Marah fabacea Daniel Cohen 1953-4-11 25 San Mateo Jasper Ridge Biological Preserve, Stanford University; near west end of Searsville Lake Comment
  RSA187384  Marah fabacea John H. Thomas 1964-6-19 10420 San Mateo Ano Nuevo Island, 1/2 mile off shore and 20 miles NW of Santa Cruz Comment
  UC129177  Marah oregana Miss Harriet A. Walker 1909-5-8 1681 San Mateo Milbrae Comment
  UC635685  Marah oregana H. L. Mason 1927-4-23 3681 San Mateo between La Honda and Pescadero Creek Comment
  CAS-BOT-BC348195  Matricaria discoidea Peter H. Raven 1950-6-3 2211 San Mateo Along Millbrae Ave., Millbrae 60 Comment
  JROH5901  Matricaria discoidea M. Ray 1982-4-18 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Close to Searsville Lab Comment
  JROH616  Matricaria discoidea John H. Thomas 1967-5-12 12886 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC422681  Meconella californica Elizabeth McClintock 1967-4-16 s.n. San Mateo San Bruno Mountain. Buckeye Canyon. Comment
  JROH2166  Medicago polymorpha John H. Thomas 1973-3-12 16481 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2175  Medicago polymorpha John Hunter Thomas 1988-6-2 24499 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2160  Medicago polymorpha John H. Thomas 1957-4-16 6659 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA128987  Medicago polymorpha Peter H. Raven 1950-6-3 2203 San Mateo along Millbrae Ave., Millbrae. 61 Comment
  SD99483  Medicago polymorpha Ira L. Wiggins 1975-4-12 22139 San Mateo Northeast side of Southern Pacific right-of-way, between San Francisquito Creek and Ravenswood Avenue, Menlo Park. Comment
  CAS-BOT-BC157964  Medicago polymorpha var. brevispina Peter Rubtzoff 1978-7-8 9236 San Mateo San Bruno Mountains. Saddle area on N side of Guadalupe Canyon Parkway west of Radio Road junction Comment
  CAS-BOT-BC269475  Melica californica L. R. A. 1902-5-4 2407 San Mateo Woodside Comment
  CAS-BOT-BC281409  Melica imperfecta W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. S slope of Montara Mt Comment
  CAS-BOT-BC264245  Melica torreyana John H. Thomas 1971-5-2 15850 San Mateo Near intersection of Canada Road and Edgewood Road, about three miles westward from Redwood City 152 Comment
  JROH5315  Melica torreyana John H. Thomas 1975-5-26 17904 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2181  Melilotus albus John Hunter Thomas 1983-6-29 22695 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2179  Melilotus albus John H. Thomas 1976-10-16 18401 San Mateo Jasper Ridge Biological Preserve, Stanford University; in Searsville Lake at the mouth of Corte de Madera Creek Comment
  JROH2184  Melilotus indicus John H. Thomas 1970-7-5 15674 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2191  Melilotus indicus John Hunter Thomas 1980-5-8 19938 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2194  Melilotus indicus John Hunter Thomas 1982-11-6 21190 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2802  Melissa officinalis Carol Zabel 1989-8-7 21 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 13, half way from causeway bridge to Leonard's bridge, north side of trail Comment
  UCR177714  Mentha canadensis L. S. Rose 1936-9-13 36730 San Mateo Granada 2 Comment
  JEPS63293  Mentha pulegium James G. Daly Ca. 1934 579 San Mateo about 1 mi n of road to La Honda on main ridge Santa Cruz Mts.; main ridge of Santa Cruz Mts. Comment
  RSA132455  Mentha pulegium John H. Thomas 1959-8-22 8079 San Mateo Jasper Ridge, about 5 miles SW of Palo Alto 152 Comment
  CDA20054  Mentha pulegium L. Kuwahara 2002-10-9 PDR 064652 San Mateo San Francisco Bay Area; Along dam of reservoir at Pomponio Ranch, 3300 Pomponio Crk Rd, San Gregorio. 0 Comment
  JROH2818  Mentha pulegium John Hunter Thomas 1981-7-12 20702 San Mateo Jasper Ridge Biological Preserve, Stanford University; on old beach Comment
  CDA4874  Mercurialis annua T. C. Fuller 1967-8-23 16293 San Mateo Coastways Ranch, 0.2 mile east of the Coast Highway (Hwy 1), 0.2 mile north of the county line of Santa Cruz Co., 0 Comment
  POM177324  Mercurialis annua L. R. Abrams, I. L. Wiggins, D. Abrams 1930-11-13 I 80 San Mateo Artichoke field 3 mi. S. of Rockaway Beach (Pedro Valley). Comment
  RSA34831  Mercurialis annua I. L. Wiggins 1945-9-22 11195 San Mateo Cultivated fields in Pedro Valley, inland from Pedro Point. Comment
  UC1191375  Mesembryanthemum nodiflorum Malcolm A. Nobs 1948-12-20 721 San Mateo Redwood City, yacht harbor Redwood City Comment
  CAS-BOT-BC438140  Mesembryanthemum nodiflorum William Anderson 1968-7-25 s.n. San Mateo At west approach of Dumbarton Bridge on south side of road. Comment
  CAS-BOT-BC428899  Micranthes californica Ira L. Wiggins 1929-3-23 3369 San Mateo Road to Mud Lake, near Stanford University. Comment
  JROH3906  Micranthes californica John H. Thomas 1973-3-12 16483 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC348580  Micropus californicus var. californicus Margaret Barry 1937-5-8 s.n. San Mateo Coal Mine Ridge Comment
  SJSU15212  Microseris bigelovii Toni Corelli 2010-4-13 622 San Mateo Pigeon Point Light Station, north of light station, on edge of cliff west of Pigeon Point Road 6 Comment
  CAS-BOT-BC349022  Microseris douglasii subsp. douglasii H. A. Dutton 1900-3-25 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  JEPS49070  Microseris douglasii subsp. douglasii Lewis S. Rose 1966-5-2 66037 B San Mateo w Redwood City; Emerald Lake 91 Comment
  JROH1138  Microseris douglasii subsp. douglasii John H. Thomas 1955-5-6 4993 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1140  Microseris douglasii subsp. douglasii John H. Thomas 1957-4-16 6658 San Mateo Jasper Ridge Biological Preserve, Stanford University; open serpentine area on top of ridge and adjacent slopes Comment
  JROH1146  Microseris douglasii subsp. douglasii John Hunter Thomas 1981-5-8 20548 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC349018  Microseris douglasii subsp. douglasii W. R. Dudley 1906-5-8 s.n. San Mateo Santa Cruz Mountain Peninsula. Alpine Road near Strawberry Bend Comment
  CAS-BOT-BC349023  Microseris douglasii subsp. douglasii K. L. Chambers 1953-5-12 463 San Mateo 3.2 mi. n. of Woodside on road to Crystal Springs Lake (Crystal Springs Lake road). [Locality info from collection label and voucher label combined.] Comment
  POM289996  Microseris douglasii subsp. douglasii Arthur L. Cohen 1935-4-21 621 San Mateo Jasper Ridge, San Francisquito Creek. 122 Comment
  CAS-BOT-BC349145  Microseris douglasii subsp. tenella Lewis S. Rose 1933-4-30 33129 San Mateo Redwood City Comment
  RSA184976  Microseris douglasii subsp. tenella L. S. Rose 1966-5-2 66037 -B San Mateo Emerald Lake, west of Redwood City. 91 Comment
  CAS-BOT-BC349189  Microseris elegans R. E. Frenkel 1964-5-22 504 San Mateo SFWD, 0.3 mile north of Sawyer Ridge Road, on Portola Ridge Road 268 Comment
  CAS-BOT-BC349191  Microseris elegans R. E. Frenkel 1964-5-26 507 San Mateo On Whiting Ridge Fire Tr. Road, SFWD, 0.5 mile west of Spring Valley Ridge Road 304 Comment
  JROH5943  Microsteris gracilis John Rawlings 2017-3-17 1981 San Mateo Jasper Ridge Biological Preserve, Stanford University; in and along Road F in East Serpentine near Escobar Gate. 161 Comment
  JROH5921  Microsteris gracilis John H. Thomas 1982-3-12 20804 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near [Escobar horse trail gate] fence. Comment
  JROH4074  Mimulus aurantiacus var. aurantiacus John H. Thomas 1975-6-5 17936 San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack Comment
  POM5073  Mimulus aurantiacus var. aurantiacus Stewart H. Burnham 1894-4-21 s.n. San Mateo [Unspecified] Comment
  RSA120822  Mimulus aurantiacus var. aurantiacus S. S. Tillett, I. Sternback 1956-6-25 539 San Mateo Along road into Portola State Park 396 Comment
  RSA130970  Mimulus aurantiacus var. aurantiacus W. R. Dudley 1895-6-14 s.n. San Mateo Top of ridge near Searsville Dam. Comment
  POM5152  Mimulus cardinalis A. D. E. Elmer 1903-07 4941 San Mateo Lake San Andreas. Comment
  JROH4089  Mimulus guttatus D. E. Breedlove 1971-5-5 19328 San Mateo Jasper Ridge Biological Preserve, Stanford University; on bluff above San Francisquito Creek, 500 yards below Searsville Dam Comment
  RSA60035  Mimulus guttatus G. R. Campbell 1950-6-7 15484 San Mateo 7 miles north of Junction of Hwy 5 and 9; hills west of Palo Alto. 457 Comment
  CAS-BOT-BC174578  Minuartia californica Alice Eastwood 1914-3-12 s.n. San Mateo San Bruno Hills Comment
  CAS-BOT-BC388825  Minuartia douglasii Arthur Spiegler 1952-5-10 80 San Mateo Jasper Ridge above Searsville Lake 457 Comment
  RSA107042  Minuartia douglasii L. S. Rose 1956-5-7 56067 San Mateo Skyline Blvd west of San Mateo. 183 Comment
  CDA3325  Mirabilis jalapa W. Davis 1962-7-23 San Mateo San Bruno. 0 Comment
  CAS-BOT-BC214068  Monardella villosa Elsie Zeile 1909-5-20 s.n. San Mateo Burlingame Comment
  CAS-BOT-BC214076  Monardella villosa Elizabeth McClintock 1965-8-1 s.n. San Mateo Slope above April Brook, San Bruno Mountain Comment
  CAS-BOT-BC214079  Monardella villosa Walter Knight 1964-9-14 847 San Mateo Peak Mt. in Montara Range Comment
  RSA185020  Monardella villosa L. S. Rose 1965-6-15 65080 San Mateo South of parking lot near summit, San Bruno Mountain 366 Comment
  SEINET13948725 Image available Monardella villosa Lewis S. Rose 1950-1 50135 San Mateo Emerald Lake region, hills W of Redwood City, alt ca 800 ft 244 Comment
  SEINET10582381  Monardella villosa subsp. franciscana A. Graff 1993-7-13 Graff 188 San Mateo Devil's Slide, in arroyos on inland side of Hwy. 1. Mostly past bloom. Coastal scrub. Comment
  JROH2850  Monardella villosa subsp. villosa John Hunter Thomas 1988-6-2 24507 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC327794  Monolopia gracilens W. R. Dudley 1893-5-27 s.n. San Mateo By La Honda road Comment
  CAS-BOT-BC445196  Montia parvifolia W. R. Dudley 1903-6-6 s.n. San Mateo Santa Cruz Peninsula. On Pescadero Cr. below Peter's Cr. Comment
  POM291272  Muilla maritima Lyman Benson 1930-4-6 2036 San Mateo San Lorenzo Mt: Crystal Springs Lake. 183 Comment
  UC1206482  Muilla maritima Le Roy Abrams 1902-4-13 2330 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC508581  Muilla maritima Cynthia Steele 1948-4-18 34 San Mateo Redwood City Comment
  RSA152078  Myosotis latifolia John H. Thomas 1962-5-12 9332 San Mateo San Bruno Mountain. 244 Comment
  UCD164185  Myosotis latifolia Peter Rubtzoff 1978-6-4 9203 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  CAS-BOT-BC101774  Myrica californica R. Bacigalupi 1922-3-1 s.n. San Mateo Arroyo de los Frijoles Comment
  CAS-BOT-BC101782  Myrica californica R. Bacigalupi 1922-3-1 s.n. San Mateo near lagoon at Arroyo de los Frijoles Comment
  CAS-BOT-BC268098  Myriophyllum Peter Rubtzoff 1965-10-19 5665 San Mateo Pilarcitos Lake. Comment
  UCD102559  Myriophyllum sibiricum Herbert L. Mason; Verne Grant 1946-8-28 13079 San Mateo North of San Francisco County Prison. Comment
  JROH6206  Narcissus tazetta Ann Lambrecht 2007-3-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; east of Rd. 20 and south of the Douglas Iris Site. 85 Comment
  CAS-BOT-BC260021  Nassella lepida W. R. Dudley 1900-3-17 s.n. San Mateo By road half way up S slope of Montara Mountain Comment
  CAS-BOT-BC260227  Nassella pulchra Ned Cahill 1974-4-29 180 San Mateo Near the intersection of Canada and Edgewood roads, about 3 miles W from Redwood City Comment
  JROH1569  Nasturtium officinale John H. Thomas 1955-5-6 4998 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1570  Nasturtium officinale John H. Thomas 1967-6-1 12979 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3207  Navarretia heterodoxa John Hunter Thomas 1986-6-9 24092 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET183956  Navarretia heterodoxa Lewis S. Rose 1936-5-28 36306 San Mateo Emerald Lake, west of Redwood City 91 Comment
  UC52679  Navarretia squarrosa J. Burtt Davy 1893-6-17 781 San Mateo Belmont Comment
  RSA10401  Navarretia squarrosa C. B. Wolf 1927-6-15 2169 San Mateo Along Skyline Drive, 8 mi. S of San Francisco. Comment
  UCSC007750  Nemophila humifusa Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  SD38536  Nemophila menziesii Janet Turner 1933-4-19 3728 San Mateo Above Emerald Lake Comment
  UC202791  Nemophila menziesii A. D. E. Elmer April, 1903 4737 San Mateo Cemeteries Comment
  UC67150  Nemophila menziesii var. atomaria Harley P. Chandler 1901-3-15 800 San Mateo cliffs w Colma; Region of San Francisco Bay, w of Colma Comment
  CAS-BOT-BC219471  Nemophila parviflora Margaret A. Barry 1937-5-15 122 San Mateo On Coal Mine Ridge Comment
  JROH2744  Nemophila parviflora var. parviflora John H. Thomas 1969-4-20 14899 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5862  Nerium oleander Cary Tronson 2012-8-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Near caretakers house along Sand Hill Rd. fence 109 Comment
  JROH4171  Nicotiana acuminata var. multiflora John Rawlings 2012-8-20 1128 San Mateo Jasper Ridge Biological Preserve, Stanford University. San Francisquito Creek bed near Dennis Martin site marker 71 Comment
  CAS-BOT-BC140440  Oemleria cerasiformis E. G. Dudley 1904-3-3 43 San Mateo Portola Valley, Santa Cruz Mts. Comment
  CAS-BOT-BC140447  Oemleria cerasiformis Elizabeth McClintock 1965-3-28 s.n. San Mateo Devil's Arroyo Comment
  JROH3715  Oemleria cerasiformis John Hunter Thomas 1985-4-25 23565 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3719  Oemleria cerasiformis Toni Corelli 2003-1-28 253 San Mateo Jasper Ridge Biological Preserve, Stanford University; limited access Road A, that goes toward Whiskey Hill Gate 91 Comment
  RSA112471  Oemleria cerasiformis E. A. Dudley 1904-3-3 s.n. San Mateo Portola Valley, Santa Cruz Mts. Comment
  RSA176762  Oemleria cerasiformis John H. Thomas 1963-4-17 10035 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto.Moist slope along road near Searsville Lake. Comment
  UCD23290  Oemleria cerasiformis Alan T. Whittemore 1976-5-29 102 San Mateo Intersection of Polyhemus Creek Road and Ticonderoga Street, San Mateo. 140 Comment
  SEINET12189809  Oenothera elata L. K. Henry 1956-1 s.n. San Mateo along Pacific Ocean at Pigeon Point Lighthouse on Rt 1 Comment
  JROH2990  Olea europaea John H. Thomas 1967-6-1 12981 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1215057  Orobanche californica subsp. californica Richard Snow 1959-9-20 887 San Mateo Pigeon Point. Comment
  CAS-BOT-BC500319  Orobanche uniflora subsp. occidentalis L. R. Abrams 1904-4-10 s.n. San Mateo San Mateo Canyon Comment
  RSA155563  Orthocarpus densiflorus L. S. Rose 1961-4-5 61035 San Mateo San Bruno Mountains. 366 Comment
  SEINET12270179  Orthocarpus densiflorus M. T. Doutt 1931-1 416 San Mateo Skyline Blvd, W of Hillbrae Comment
  RSA152408  Orthocarpus faucibarbatus var. albidus R. C. Bacigalupi, G. Thomas Robbins 1954-6-18 4562 San Mateo Immediately behind Point Ano Nuevo. Comment
  RSA88573  Orthocarpus lithospermoides L. S. Rose 1954-5-17 54043 San Mateo Emerald Lake, E of Redwood City. 183 Comment
  POM319922  Orthocarpus pusillus Barbara Shervanick 1973-4-1 801 San Mateo San Bruno Mt. at first summit at end of Crocker Rd. Comment
  JROH294  Osmorhiza berteroi John H. Thomas 1963-6-23 10168 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Westridge end of ridge Comment
  UC21176  Osmorhiza berteroi J. Burtt Davy 1893-6-17 788 San Mateo Belmont Comment
  CAS-BOT-BC166730  Oxalis albicans subsp. pilosa Peter Rubtzoff; Roman Gankin 1975-5-21 7964 San Mateo San Bruno Mountains. Saddle area north of Guadalupe Canyon Parkway and west of Radio Road junction. Comment
  UCSB9892  Oxalis articulata subsp. rubra Walker, Clifford 1954-4-20 San Mateo 50 yds from ocean, 1 mi. S. of Half Moon Bay Comment
  UC762243  Oxalis oregana R. F. Hoover 1939-3-3 3896 San Mateo above Portola (on La Honda rd) Comment
  JROH3092  Oxalis oregana M. N. Paulson 1915-4-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA130345  Oxalis oregana Roxana Stinchfield 1914-2-28 s.n. San Mateo Hills back of Woodside Comment
  JEPS121492  Oxalis pes-caprae Adam C. Schneider with C. Matt Guilliams 2013-3-9 41 San Mateo Crystal Springs Reservoir, Northern part of western margin of San Francisco Public Utilities Commission land. Comment
  CAS-BOT-BC253971  Parapholis incurva J. H. Thomas 1962-5-12 9859 San Mateo Franklin Point Comment
  CAS-BOT-BC265661  Paspalum distichum A. D. E. Elmer 1901-7-1 2876 San Mateo Searsville Comment
  JROH5342  Paspalum distichum W. R. Dudley 1903-1-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Upper end of Searsville Lake. Comment
  UCD88918  Paspalum distichum David Hanson 1975-11-24 s.n. San Mateo Half Moon Bay. Comment
  JROH4113  Pedicularis densiflora John H. Thomas 1974-4-13 17150 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC24039  Pedicularis densiflora Mary Katherine Wicksten 1971-6-30 143 San Mateo Huddart Park Comment
  JROH4095  Pedicularis densiflora D. D. Davis 1903-2-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Ridge Comment
  JROH4107  Pedicularis densiflora Duncan M. Porter 1961-1-18 736 San Mateo Jasper Ridge Biological Preserve, Stanford University; Westridge end of Jasper Ridge Comment
  SBBG34023  Pedicularis densiflora L. S. Rose 1969-3-27 San Mateo 2 mi NW of Woodside 182 Comment
  SEINET12270441  Pedicularis densiflora Unknown 1930-1 7320 San Mateo Jasper Ridge Comment
  CAS-BOT-BC266666  Pedicularis dudleyi J. H. Thomas 1961-6-20 9550 San Mateo Portola State Park, near junction of Peters and Pescadero Creeks, from near rangers station to the camp grounds 152 Comment
  CAS-BOT-BC266669  Pedicularis dudleyi W. R. Dudley 1903-5-2 s.n. San Mateo Santa Cruz Peninsula. Near fork of road to old Page Mill Comment
  CAS-BOT-BC7096  Pedicularis dudleyi Adolph Daniel Edward Elmer 1903-6-1 4289 San Mateo Iverson's Place. Pescadero Creek. Comment
  CAS-BOT-BC207033  Pelargonium vitifolium Ira L. Wiggins 1929-5-10 3675 San Mateo Roadside between Pigeon Point and Pescadero. Comment
  JROH98  Pellaea andromedifolia John H. Thomas 1974-6-30 17465 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  CAS-BOT-BC327978  Pentachaeta alsinoides John H. Thomas 1958-5-10 7155 San Mateo Jasper Ridge, about 5 mi SW of Palo Alto. 182 Comment
  UCD134867  Pentachaeta alsinoides John H. Thomas 1958-5-10 7155 San Mateo Jasper Ridge, about 5 miles southwest of Palo Alto. 152 Comment
  JROH108  Pentagramma triangularis subsp. triangularis John H. Thomas 1964-11-29 10544 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH109  Pentagramma triangularis subsp. triangularis John H. Thomas 1968-3-17 14194 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH3271  Persicaria lapathifolia John Hunter Thomas 1979-9-9 19716 San Mateo Jasper Ridge Biological Preserve, Stanford University. Lake edge and delta. Comment
  JROH6176  Persicaria maculosa John Rawlings, Ann Lambrecht 2017-10-3 2303 San Mateo Jasper Ridge Biological Preserve, Stanford University; Corte Madera Creek Delta 103 Comment
  CDA8457  Petasites frigidus var. palmatus T. C. Fuller 1960-4-2 4084 San Mateo Alpine Road, 0.8 mile east of Pescadero Road, 2.8 miles southeast of La Honda. 0 Comment
  UC1206459  Petasites frigidus var. palmatus Roxana S. Ferris 1918-3-30 750 San Mateo 1 mi above Evans Creek; Peters Creek Comment
  RSA116637  Petasites palmatus W. R. Dudley 1894-3-23 s.n. San Mateo By La Honda Creek. Santa Cruz Mountain Peninsula. Comment
  RSA128808  Phacelia californica Paul R. Hichborn 1920-4-25 s.n. San Mateo Crystal Springs Lake, Santa Cruz Mountain Peninsula. Comment
  UC131689  Phacelia californica C. F. Baker 1902-5-1 690 San Mateo Crystal Springs Comment
  JEPS2344  Phacelia divaricata W. L. Jepson 1914-3-22 5733 San Mateo Redwood City Comment
  UC672334  Phacelia divaricata Herbert L. Mason 1927-4-23 3687 San Mateo roadside between La Honda and Pescadero Creek Comment
  JEPS3114  Phacelia divaricata James G. Daly 1934-1 156 San Mateo on ridge s road to La Honda; Santa Cruz Mountains Comment
  POM128436  Phacelia divaricata L. R. Abrams 1902-4-13 2324 San Mateo Crystal Spring. Comment
  JROH2759  Phacelia imbricata var. imbricata John Rawlings, Ann Lambrecht 2010-6-23 0931 San Mateo Jasper Ridge Biological Preserve, Stanford University. West of blue bridge on Trail 19, several yards uphill from Rd C 91 Comment
  JROH2765  Phacelia rattanii D. E. Breedlove 1971-5-11 19332 San Mateo Jasper Ridge Biological Preserve, Stanford University; at Pinon Road along fence Comment
  JROH5357  Phalaris aquatica John Hunter Thomas 1978-7-14 19261 San Mateo Jasper Ridge Biological Preserve, Stanford University. New low flow crossing of San Francisquito Creek. Comment
  JROH5643  Phalaris brachystachys John Rawlings 2014-6-7 1263 San Mateo Jasper Ridge Biological Preserve, Stanford University; 100 yards west from Escobar Gate, 20 yards north of Road F 161 Comment
  CAS-BOT-BC259002  Phalaris californica Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain. Base of Quarry #2 Comment
  CAS-BOT-BC259003  Phalaris californica Ira L. Wiggins 1928-4-22 2943 San Mateo Moss Beach Comment
  UC650502  Phalaris californica Ira L. Wiggins 1928-4-22 2943 San Mateo Moss Beach Comment
  UCD37957  Phalaris californica Beecher Crampton 1962-6-11 6487 San Mateo 5 miles W of Belmont, at junction of Ralston Avenue and Skyline Boulevard, at foot of western slope of Pulgas Ridge, along eastern side of lower Crystal Springs Reservoir. Comment
  UCD88566  Phalaris californica P. B. Kennedy 1916-5-1 s.n. San Mateo Crocker Estate, Burlingame. Comment
  CAS-BOT-BC250646  Phalaris minor John Thomas Howell 1937-7-5 13099 San Mateo Redwood City along Bayshore Highway Comment
  RSA22129  Phalaris minor J. T. Howell 1937-7-5 13099 San Mateo Redwood City, along Bayshore Highway Comment
  JROH5383  Phalaris paradoxa John Rawlings 2011-6-21 1074 San Mateo Jasper Ridge Biological Preserve, Stanford University; 80m west of Escobar Gate downhill from Road F on north side of ridge near the serpentine/sandstone contact 153 Comment
  CAS-BOT-BC131761  Phoenix dactylifera Eric Walther 1920-10-1 s.n. San Mateo Near Court House, Redwood City Comment
  CAS-BOT-BC171182  Phoradendron serotinum subsp. tomentosum Paul Arnaud 1941-5-3 s.n. San Mateo Jefferson Avenue in hills, Redwood City Comment
  CAS-BOT-BC171183  Phoradendron serotinum subsp. tomentosum John H. Thomas 1960-3-1 8536 San Mateo Jasper Ridge, about 5 miles SW of Palo Alto 182 Comment
  UC2056116  Phyllospadix torreyi 2015-6-18 San Mateo Pescadero. beds south of promontory Comment
  RSA647542  Phyllospadix torreyi Judy Hansen 1969-6-29 s.n. San Mateo Pidgeon Point. Comment
  UCD23296  Physocarpus capitatus Alan T. Whittemore 1976-5-29 116 San Mateo San Francisco Fish and Game Refuge. East side of Lower Crystal Springs Lake, on Sawyer's Camp Road, between L. San Andreas and Crystal Springs Lake. 100 Comment
  CAS-BOT-BC142183  Physocarpus capitatus W. R. Dudley 1902-6-1 s.n. San Mateo Steven's Creek Road, lower part - Santa Cruz Peninsula Comment
  SEINET10542162  Physocarpus opulifolius Charles H. Boxmeyer 1894-1 Boxmeyer s.n. San Mateo Comment
  CAS-BOT-BC206939  Pickeringia montana var. montana W. R. Dudley 1893-5-27 s.n. San Mateo Between Woodside and King's Mtn. - Santa Cruz Peninsula Comment
  JEPS48202  Pinus radiata W. L. Jepson 1910-8-18 4166 San Mateo Ano Nuevo Creek Comment
  JROH119  Pinus radiata John H. Thomas 1977-4-15 18531 San Mateo Jasper Ridge Biological Preserve, Stanford University 118 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
  JROH2205  Pisum sativum John H. Thomas 1967-4-28 12724 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET7876345 Image available Pittosporum undulatum A. T. Whittemore 2002-1 02 -001 San Mateo Garden of 418 Hillway Dr., Redwood City 98 Comment
  CAS-BOT-BC228141  Plagiobothrys chorisianus Alice Eastwood 1915-6-13 4717 San Mateo Granada Comment
  UC881324  Plagiobothrys chorisianus Alice Eastwood 1915-6-13 4717 San Mateo Granada Comment
  CAS-BOT-BC228126  Plagiobothrys chorisianus Peter H. Raven 1950-4-16 1816 San Mateo Between Geneva Avenue (San Francisco County) and San Bruno Mountains 182 Comment
  CAS-BOT-BC228129  Plagiobothrys chorisianus Walter & Irja Knight 1965-4-26 s.n. San Mateo San Bruno Mountains. Devil's Arroyo Comment
  POM216313  Plagiobothrys chorisianus D. D. Keck 1933-5-11 2294 San Mateo Montara Light House and Radio Station Comment
  RSA320763  Plagiobothrys chorisianus Robert A. Norris 1984-3-21 4650 San Mateo along trail in saddle between Parking Lot (and summit) and Blue Blossom Hill, San Bruno Mountains 305 Comment
  CAS-BOT-BC228164  Plagiobothrys chorisianus var. chorisianus J. I. McMurphy 1906-5-8 s.n. San Mateo The Santa Cruz Mountain Peninsula. Pond by road between Woodside and Byrne's Store Comment
  SD67294  Plagiobothrys chorisianus var. chorisianus Darley F. Howe 1967-4-13 4342 San Mateo Pebble Beach Comment
  CAS-BOT-BC228172  Plagiobothrys chorisianus var. hickmanii Anne Constant 1955-5-28 192 San Mateo At Pescadero Beach 7 Comment
  CAS-BOT-BC228173  Plagiobothrys chorisianus var. hickmanii L. R. Abrams 1909-8-2 4248 San Mateo The Santa Cruz Peninsula. Pebble Beach, Pescadero Comment
  JROH1415  Plagiobothrys chorisianus var. hickmanii John H. Thomas 1974-5-3 17241 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1419  Plagiobothrys chorisianus var. hickmanii John Hunter Thomas 1983-5-3 21878 San Mateo Jasper Ridge Biological Preserve, Stanford University. This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SDSU5437  Plagiobothrys chorisianus var. hickmanii D. F. Howe 1967-4-13 4342 San Mateo Pebble Beach. Comment
  UC511480  Plagiobothrys nothofulvus Ira L. Wiggins 1933-4-17 6651 San Mateo 2 mi w Redwood City; Emeral Lake hills Comment
  UC24576  Plagiobothrys undulatus J. Burtt Davy Jun 21 1893-Jun 23 1893 1143 San Mateo Pilarcitos Lake and Canyon Pilarcitos Canyon, Pilarcitos Lake Comment
  CHSC59771  Plantago erecta Jan M. Karaz 1979-5-22 29 San Mateo 500 ft west of Canada College Campus Drive, 1.8 mi west of Hwy 280. 5 Comment
  JROH3121  Plantago erecta John Hunter Thomas 1984-4-2 23273 3 B San Mateo Jasper Ridge Biological Preserve, Stanford University; near Westridge fence Comment
  RSA144779  Plantago erecta John H. Thomas 1958-3-19 7049 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco. 30 Comment
  RSA153467  Plantago erecta John H. Thomas 1961-5-7 9250 San Mateo San Bruno Mountain in northern part of county. 305 Comment
  SEINET7097924  Plantago erecta 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
  UCD124449  Plantago erecta Robert F. Thorne; P. Everett 1963-6-9 32220 San Mateo Kamchatka Point near TV tower on San Bruno Mt. 335 Comment
  HSC16822  Plantago erecta L. S. Rose 1965-5-3 65056 San Mateo San Bruno Mtn., N end 183 Comment
  RSA283962  Plantago erecta Arthur L. Cohen 1935-4-21 631 San Mateo Jasper Ridge, Stanford University. Santa Cruz Mtn Range, San Francisco Bay Watershed. 152 Comment
  POM61248  Plantago lanceolata Copeland 1903-6-5 3325 San Mateo Montara Point. Comment
  UCSC007768  Plantago lanceolata Becky Hendricks, Chris Lay 2012-6-22 s.n. San Mateo Ano Nuevo State Park Comment
  SD27817  Platanthera dilatata var. leucostachys Carl B. Wolf 1929-5-25 3728 San Mateo Pebble Beach, south of Pescadero. Comment
  UC118524  Platystemon californicus C. F. Baker 1902-3-30 433 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC92009  Platystemon californicus W. R. Dudley 1896-4-19 s.n. San Mateo Santa Cruz Peninsula. Above Alpine School. Black Mountain. Comment
  CAS-BOT-BC92025  Platystemon californicus W. R. Ernst 1957-4-2 103 San Mateo Near junction to Burlingame on Skyline Boulevard (Highway 5). Roadside near houses. Comment
  SEINET10931001 Image available Plectritis congesta subsp. nitida A. Arthur Heller 1907-5-28 Heller 8578 San Mateo Above Crystal Springs on the Half Moon Bay road. Comment
  CAS-BOT-BC260960  Pleuropogon californicus var. californicus J. I. McMurphy 1906-5-8 s.n. San Mateo Pond near head of Crystal Sprins Laks on road from Woodside to Byrne's Store, Santa Cruz Mountain Peninsula Comment
  JROH5402  Poa annua John Hunter Thomas 1982-3-23 20812 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5543  Poa annua John Rawlings 2011-4-5 0993 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 11 S of footbridge. 130 Comment
  UC650404  Poa annua Ira L. Wiggins 1928-4-22 2944 San Mateo Moss Beach Comment
  CAS-BOT-BC254541  Poa douglasii J. H. Thomas 1963-5-20 10155 San Mateo At Ano Nuevo Point Comment
  RSA176552  Poa douglasii John H. Thomas 1963-5-20 10155 San Mateo at Ano Nuevo Point Comment
  CAS-BOT-BC246711  Poa howellii Margaret A. Barry 1937-5-15 93 San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC255782  Poa infirma Walter Knight; Irja Knight 1967-5-16 s.n. San Mateo Randolph Ave., South San Francisco, San Bruno Mountain Comment
  CAS-BOT-BC261657  Poa infirma Peter Rubtzoff 1988-5-3 9918 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, near its crossing of the upper part of East Fork Colma Creek. Comment
  CAS-BOT-BC247422  Poa pratensis Phillip C. Wheeler 1965-5-23 s.n. San Mateo San Bruno Mountain. No. West Radio Road Comment
  RSA785876  Poa pratensis Peter Rubtzoff 1976-5-22 8544 San Mateo 'Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  RSA120384  Poa secunda Roxana S. Ferris 1921-5-20 2174 San Mateo Santa Cruz Mountain Peninsula; road over divide from Alpine Creek and Pescadero Creek 305 Comment
  CAS-BOT-BC243115  Poa secunda subsp. secunda Ned Cahill 1974-4-29 186 San Mateo Near the intersection of Canada and Edgewood roads, about 3 miles W from Redwood City Comment
  CAS-BOT-BC243121  Poa secunda subsp. secunda Margaret A. Barry 1937-5-1 38 San Mateo Coal Mine Ridge Comment
  JROH5422  Poa secunda subsp. secunda D. D. Davis 1903-4-10 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Rocky north slope, Searsville Ridge. Comment
  UC157041  Poa secunda subsp. secunda E. B. Copeland 1903-4-20 1920 San Mateo San Andreas Lake Comment
  SJSU16026  Poa unilateralis subsp. unilateralis John Rawlings, Toni Corelli 2016-5-13 1789 San Mateo Vallemar Bluff, Moss Beach. USGS Montara Mountain OE W 7.5 Minute (1:24,000 Scale) Topographic Map. 11 Comment
  JROH2856  Pogogyne serpylloides John H. Thomas 1966-4-29 11588 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET10904450  Polygonum amphibium var. emersum Mary Susan Taylor 1978-8-30 Taylor 1869 San Mateo Comment
  CAS-BOT-BC173595  Polygonum arenastrum Peter Rubtzoff 1975-10-11 8421 A San Mateo Pond northwest of and across Old Guadalupe Road from Saddle area (which is located on north side of Guadalupe Canyon Parkway west of Radio Road junction). Comment
  CAS-BOT-BC389685  Polygonum aviculare Jeanie Nieri 1953-2-3 23 San Mateo Growing three miles west of Hillsdale Comment
  CAS-BOT-BC413945  Polygonum aviculare subsp. aviculare E. M. Zeile 1921-7-31 s.n. San Mateo Salada Comment
  RSA120432  Polygonum lapathifolium Roxana S. Ferris 1924-10-6 4094 San Mateo Searville Lake on Portola Hwy. Comment
  CAS-BOT-BC109238  Polygonum paronychia Adele Lewis Grant 1917-5-6 944 San Mateo Pebble Beach near Pescadero. Comment
  CAS-BOT-BC109242  Polygonum paronychia Louis F. Pitelka 1974-5-28 s.n. San Mateo Bolsa Point, about 1 mile north of Pigeon Point and about 39 miles south of San Francisco. Comment
  CAS-BOT-BC109243  Polygonum paronychia Robert Robertson 1954-5-1 120 San Mateo Pebble Beach. 4 Comment
  POM216540  Polygonum paronychia D. D. Keck 1931-10-5 1288 San Mateo 1 mile N of Salada Beach, 200 meters from ocean. Comment
  SEINET3086523 Image available Polygonum paronychia C. W. Sharsmith 1950-4-16 6627 San Mateo Vicinity of Pescadero Point, near Pescadero. Comment
  UCR240610  Polygonum paronychia T. B. Salvato, Lia V. D. Mansfield, Joel-Henry J. Mansfield 2008-6-14 3526 San Mateo Central Coast, Pebble Beach State Beach, 12.5 mi north of Santa Cruz Co. line, along Hwy 1, Pacific Coast Hwy, 1.65 mi south of road to Pesacadero and 16 mi south of Half Moon Bay 11 Comment
  UC733135  Polygonum punctatum Roxana S. Ferris 1945-9-25 11107 San Mateo Pedro Point; State Hwy 1 Comment
  CAS-BOT-BC76907  Polypodium californicum W. R. Dudley 1899-11-30 s.n. San Mateo Santa Cruz Mountain Peninsula - Pescadero Creek, near Iverson's Comment
  CAS-BOT-BC76947  Polypodium californicum Ned Cahill 1974-5-13 249 San Mateo Chaparral near the intersection of Canada and Edgewood Roads, about 3 mi westward from Redwood City. Comment
  HSC1135  Polypodium californicum L. S. Rose 1964-2-6 64001 San Mateo Kings Mtn. 610 Comment
  RSA169347  Polypodium californicum L. S. Rose 1964-2-6 64001 San Mateo Kings Mountain 610 Comment
  RSA178657  Polypodium californicum John H. Thomas 1964-4-19 10313 San Mateo Jasper Ridge Biological experimental area, 5 miles SW of Palo Alto. Comment
  SBBG32442  Polypodium californicum L. S. Rose 1964-2-6 64001 San Mateo King's Mtn 609 Comment
  JROH78  Polypodium californicum John H. Thomas 1970-1-1 15497 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  UC474210  Polypodium californicum H. F. Copeland 1928-2-26 985 San Mateo on cliffs above ocean Montara Comment
  UC766795  Polypodium calirhiza R. F. Hoover 1941-2-12 4759 San Mateo La Honda Creek above La Honda Comment
  CAS-BOT-BC233160  Polypogon interruptus P. R. Hichborn 1920-5-13 217 San Mateo Santa Cruz Peninsula. Salt marshes N of Palo Alto Comment
  JROH5433  Polypogon interruptus John Hunter Thomas 1979-6-12 19588 San Mateo Jasper Ridge Biological Preserve, Stanford University. On dam. Comment
  JROH5677  Polypogon interruptus John Rawlings 2014-5-28 1249 B San Mateo Jasper Ridge Biological Preserve, Stanford University. Up-stream edge of low flow crossing of San Francisquito Creek. 81 Comment
  UC1100394  Polypogon interruptus Malcolm A. Nobs and S. Galen Smith 1949-8-26 1611 San Mateo about 1 mi s Pigeon Point; s of Pigeon Point Comment
  CAS-BOT-BC237351  Polypogon monspeliensis John H. Thomas 1963-7-19 10189 San Mateo Ano Nuevo Island, about 0.5 mile off shore about 20 miles NW of Santa Cruz Comment
  JROH5456  Polypogon monspeliensis John Hunter Thomas 1987-5-5 24242 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD39924  Polypogon monspeliensis Edith A. Purer 1933-7-27 5370 San Mateo Sand dunes, Pigeon Point Comment
  UC1100390  Polypogon monspeliensis Herbert L. Mason and Verne Grant 1946-8-28 13094 San Mateo pond on Highway 5 about 3 mi s Daly City Road Comment
  JROH4813  Polypogon viridis John Hunter Thomas 1979-5-22 19573 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC72113  Polystichum Peter Rubtzoff; Patricia Fallon 1987-8-26 9844 San Mateo San Bruno Mountains, East Fork Colma Creek Canyon Comment
  CAS-BOT-BC72224  Polystichum dudleyi Brannan; Kellogg 1870-5-31 s.n. San Mateo San Gregorio Redwoods Comment
  NY149446  Polystichum dudleyi W. R. Dudley 1903-5-2 s.n. San Mateo Santa Cruz Peninsula: near bridge, Peters Creek, Canta Cruz Mts. Comment
  UC718901  Polystichum dudleyi W. R. Dudley 1905-6-19 San Mateo cliffs near Camp on Pescadero Creek; Santa Cruz Peninsula, Santa Cruz Mts. Comment
  UC150382  Polystichum munitum C. F. Baker 1902-1-15 321 San Mateo w side King's Mt. Comment
  SEINET11714701  Polystichum munitum Unknown 1932-1 8922 San Mateo Kings Mt Comment
  UCD164339  Polystichum munitum Peter Rubtzoff 1976-10-5 8905 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, upper part of East Fork Colma Creek Canyon. Comment
  JROH3843  Populus trichocarpa John Hunter Thomas 1983-7-7 22818 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC267165  Potamogeton foliosus W. R. Dudley 1906-10-12 s.n. San Mateo Santa Cruz Mountain Peninsula. Mud Lakes, Coalmine Ridge, Pond 1 Comment
  RSA3934  Potamogeton foliosus W. R. Dudley 1909-10-10 s.n. San Mateo Near boat landing, club house Capital Springs Reservoir Comment
  UC519205  Potamogeton illinoensis N. L. Gardner 1933-9-24 San Mateo Crystal Springs Lake Comment
  POM259789  Potamogeton nodosus I. L. Wiggins, Roxana S. Ferris 1939-8-2 9292 San Mateo Ano Nuevo Point Comment
  UC813943  Potamogeton nodosus Ira L. Wiggins and Roxana S. Ferris 1939-8-2 9292 San Mateo Ano Nuevo Point Comment
  UC814176  Potamogeton pectinatus Ira L. Wiggins and Roxana S. Ferris 1939-8-2 9293 San Mateo Ano Nuevo Point Comment
  CAS-BOT-BC454052  Potamogeton pusillus subsp. pusillus Charles W. O'Brien 1964-8-31 s.n. San Mateo Lake Pilarcitos Comment
  CAS-BOT-BC141937  Potentilla anserina subsp. pacifica W. R. Dudley 1896-4-18 s.n. San Mateo Pebble Beach at Pescadero - Santa Cruz Peninsula Comment
  CAS-BOT-BC141928  Potentilla anserina subsp. pacifica Elizabeth McClintock 1967-9-24 s.n. San Mateo Crocker Avenue - San Bruno Mountains Comment
  JROH4670  Prosartes hookeri John H. Thomas 1967-4-28 12728 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4676  Prosartes hookeri John Hunter Thomas 1985-4-25 23567 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC516355  Prosartes hookeri W. R. Dudley 1894-4-21 s.n. San Mateo Bank by upper road near Crystal Springs Lake, Santa Cruz Peninsula Comment
  CAS-BOT-BC517397  Prosartes smithii H. L. Mason 1917-4-1 s.n. San Mateo Kings Mountain Comment
  SJSU9997  Prosartes smithii R. L. Roney 1974-4-27 San Mateo N side of La Honda Creek 457 Comment
  RSA181225  Prunella vulgaris var. lanceolata John H. Thomas 1964-6-19 10430 San Mateo 0.9 miles S of Tunitas Creek near Coast Hwy, 61 Comment
  UCD164610  Prunella vulgaris var. lanceolata Peter Rubtzoff 1975-10-24 8430 San Mateo San Bruno Mountains.'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction. In East Fork Colma Creek canyon area. Comment
  CAS-BOT-BC154504  Prunus ilicifolia A. D. E. Elmer 1903-7-1 4773 San Mateo Pilarcitos Stone Dam Comment
  CAS-BOT-BC356871  Pseudognaphalium californicum D. E. Breedlove 1974-5-13 36234 San Mateo Slopes San Pedro Valley Park, Pacifica 152 Comment
  JROH751  Pseudognaphalium californicum W. R. Dudley 1895-6-14 299 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
  SD30773  Pseudognaphalium luteoalbum Edith A. Purer 1933-8-13 5427 San Mateo Belmont, along roadside Comment
  CAS-BOT-BC357128  Pseudognaphalium luteoalbum Javier Penalosa 1963-2-23 2659 San Mateo San Bruno Mtn. Ravine south of Crocker Ave. 213 Comment
  CAS-BOT-BC357130  Pseudognaphalium luteoalbum L. R. Abrams; I. L. Wiggins 1939-6-3 431 San Mateo Ano Nuevo Point Comment
  HSC23946  Pseudognaphalium luteoalbum Mary Katherine Wicksten 1971-6-16 13 San Mateo Huddart Park; dry bank by horse ring Comment
  POM358831  Pseudognaphalium luteoalbum L. C. Wheeler 1934-5-29 2600 San Mateo Stanford University, Palo Alto 61 Comment
  SBBG45073  Pseudognaphalium luteoalbum L. S. Rose 1936-2-12 San Mateo Burlingame 91 Comment
  JROH6200  Pseudognaphalium ramosissimum John Rawlings 2017-9-12 2295 San Mateo Jasper Ridge Biological Preserve, Stanford University; east bank of Bear Creek 82 Comment
  CAS-BOT-BC357507  Pseudognaphalium ramosissimum W. R. Dudley 1895-9-15 s.n. San Mateo Santa Cruz Mountain Peninsula. El Corte Madera Comment
  CAS-BOT-BC344869  Pseudognaphalium stramineum Peter Rubtzoff 1975-11-8 8438 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. Comment
  JEPS49081  Pseudognaphalium stramineum Lewis S. Rose 1966-8-6 66079 San Mateo Colma Canyon San Bruno Mountain, Colma Canyon 121 Comment
  UC917227  Pseudognaphalium stramineum J. D. Skoss 1948-7-25 44 San Mateo Montara Comment
  CAS-BOT-BC361568  Pseudognaphalium stramineum Lewis S. Rose 1966-8-6 66079 San Mateo San Bruno Mountain, Colma Canyon 121 Comment
  CAS-BOT-BC85905  Pseudotsuga menziesii Josephine D. Randall 1906-3-9 275 San Mateo Santa Cruz Peninsula, King's Mt. Comment
  CAS-BOT-BC85914  Pseudotsuga menziesii Miss O. Boring 1897-8-31 s.n. San Mateo Santa Cruz Peninsula, King's Mt. Comment
  POM223619  Pseudotsuga menziesii S. S. Berry 1909-3-13 s.n. San Mateo King s Mountain. 640 Comment
  UCSC007773  Pseudotsuga menziesii var. menziesii Becky Hendricks, Chris Lay 2012-6-22 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC362027  Psilocarphus tenellus Le Roy Abrams 1902-5-20 2477 San Mateo Kings Mountain Road Comment
  JROH1189  Psilocarphus tenellus John Hunter Thomas 1983-5-23 22251 San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack side & low-flow crossing Comment
  CAS-BOT-BC362020  Psilocarphus tenellus Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mountain. South Power Line Ridge Comment
  CAS-BOT-BC72657  Pteridium aquilinum Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mt., Cable Ravine Comment
  CAS-BOT-BC72661  Pteridium aquilinum Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo Wax Myrtle Ravine, Six-fern Rock Comment
  CAS-BOT-BC421314  Pterostegia drymarioides W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Peninsula. By grade south slope Montara Mts. Comment
  UC635041  Pterostegia drymarioides Herbert L. Mason 1927-4-23 3683 San Mateo along rd. between La Honda and Pescadero Creek Comment
  CDA36071  Puccinellia maritima Michael Perlmutter 2011-6-15 San Mateo Foster City; Seal Slough. 0 Comment
  UCD92953  Puccinellia maritima William Anderson 1968-4-20 s.n. San Mateo Redwood City. NE of the boat harbor on Bait Island. Comment
  RSA0082794  Pyrola aphylla H. L. Mason 1921-7-3 s.n. San Mateo Butano Ridge. Comment
  CAS-BOT-BC105390  Quercus Ned Cahill 1974-4-23 158 San Mateo near the inteersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  UC1135331  Quercus agrifolia C. M. Belshaw 1935-1-25 1457 San Mateo 2.8 mi w Woodside (on King Mt Road); Santa Cruz Quad. 457 Comment
  UC565407  Quercus agrifolia Chas. M. Belshaw 1936-1-25 1457 San Mateo 2.8 mi w Woodside (Kings Mountain road); South Coast Range Comment
  JROH2462  Quercus agrifolia var. agrifolia John H. Thomas 1974-6-30 17461 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC94271  Quercus durata Ned Cahill 1974-4-19 143 San Mateo near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC94276  Quercus durata John H. Thomas 1969-10-19 15486 San Mateo near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  CAS-BOT-BC94278  Quercus durata George Oberlander 1949-7-30 359 San Mateo San Francisco Watershed Reserve, southern boundary Comment
  CAS-BOT-BC94282  Quercus durata James McMurphy 1908-8-20 s.n. San Mateo this side of Crystal Springs Reservoir Comment
  JROH2488  Quercus durata var. durata John H. Thomas 1974-8-3 17502 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  OBI62796  Quercus durata var. durata Lewis S. Rose 1964-9-5 64068 San Mateo Emerald Lake, W of Redwood City 244 Comment
  HSC23989  Quercus kelloggii Mary Katherine Wicksten 1971-6-29 133 San Mateo Huddart Park Ridge between Oak Area and Redwood Area Comment
  JROH2498  Quercus kelloggii E. A. McGregor 1909-3-20 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC23995  Quercus lobata Mary Katherine Wicksten 1971-8-20 128 San Mateo Huddart Park, above Oak Area Comment
  SEINET12034640  Quercus lobata Unknown 1929-1 7290 San Mateo Kings Mtn Comment
  UCD47153  Quercus parvula var. shrevei Warren G. Roberts 1981-5-17 s.n. San Mateo In ground at Yerba Buena Nursery, 19500 Skyline Blvd. (4.5 miles south of La Honda), Redwood City, San Mateo County, California. Comment
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Oct 15 2013
  JROH2528  Quercus wislizeni var. frutescens Carl B. Wolf 1929-4-24 3655 San Mateo Jasper Ridge Biological Preserve, Stanford University; so. end of Jasper Ridge 152 Comment
  UC9380  Ranunculus aquatilis var. capillaceus J. Burtt Davy Jun 21 1893-Jun 23 1893 1130 San Mateo Pilarcitos Lake and Canyon Comment
  JEPS54964  Ranunculus californicus W. L. Jepson 1914-3-22 5730 San Mateo Redwood City Comment
  UC135552  Ranunculus californicus C. F. Baker 1902-4-12 504 San Mateo San Gregorio; hills along coast Comment
  CAS-BOT-BC389753  Ranunculus californicus J. Nieri 1953-2-14 s.n. San Mateo 2 miles west of Belmont Comment
  POM268422  Ranunculus californicus Arthur L. Cohen 1935-4-21 619 San Mateo Jasper Ridge, San Francisquito Creek. 122 Comment
  POM268423  Ranunculus californicus Arthur L. Cohen 1935-4-21 618 San Mateo Jasper Ridge, San Francisquito Creek. 122 Comment
  CAS-BOT-BC378548  Ranunculus californicus var. californicus Ira L. Wiggins 1941-4-17 9719 San Mateo Roadside near junction of road to California Sanitarium and Woodside-Half Moon Bay road 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-BC378533  Ranunculus californicus var. californicus J. H. Thomas 1959-4-1 209 San Mateo serpentine hills west of Redwood City Comment
  RSA120769  Ranunculus californicus var. cuneatus S. S. Tillett, I. Sternback 1956-6-24 537 San Mateo Middleton property, behind (N.) Portola Camp Store, just outside Portola State Park. 396 Comment
  RSA15339  Ranunculus californicus var. cuneatus Carl B. Wolf 1927-1-29 s.n. San Mateo Pebble Beach, along bluffs near Beach Comment
  JROH3486  Ranunculus hebecarpus John Hunter Thomas 1985-4-22 23547 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3480  Ranunculus hebecarpus D. E. Breedlove 1971-5-5 19329 San Mateo Jasper Ridge Biological Preserve, Stanford University. Bluff above San Francisquito Creek, 500 yards below Searsville Dam Comment
  SEINET12086941  Ranunculus hebecarpus P. R. Hichborn 1920-1 52 San Mateo near Searsville Lake Comment
  CAS-BOT-BC83416  Ranunculus lobbii W. R. Dudley 1894-5-1 s.n. San Mateo Santa Cruz Mountain Peninsula. Woodside to Crystal Springs. Comment
  JROH3500  Ranunculus muricatus John Hunter Thomas 1987-5-7 24262 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5787  Ranunculus muricatus John Rawlings 2016-4-14 1703 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 18 in oak woodland 124 Comment
  RSA181388  Ranunculus muricatus James I. McMurphy 1909-6-13 s.n. San Mateo San Bruno Hills. Comment
  JROH3496  Ranunculus muricatus John Hunter Thomas 1983-4-5 21327 San Mateo Jasper Ridge Biological Preserve, Stanford University. Low-flow crossing Comment
  RSA10410  Ranunculus muricatus Carl B. Wolf 1927-6-15 2164 San Mateo Along Skyline Drive, 8 mi. S of San Francisco. Comment
  SEINET12100640  Ranunculus orthorhynchus L. S. Rose 1937-1 37241 San Mateo Brisbane 6 Comment
  POM268819  Ranunculus repens W. R. Dudley 1906-10-12 s.n. San Mateo Pond 15 Comment
  CDA3486  Ranunculus trilobus P. Greer 2002-4-17 s.n. San Mateo Highway 101, in Half Moon Bay. 0 Comment
  CAS-BOT-BC74340  Raphanus sativus Fred Hemphill 1973-3-9 642 San Mateo San Carlos. North of Malabar Road and Melendy Drive. 207 Comment
  JROH5873  Raphanus sativus Ann Lambrecht 2011-7-5 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; at Bear Creek crossing near Preserve boundary fence Comment
  POM283034  Rhamnus californica Lyman Benson 1937-7-8 8447 San Mateo Lake Searsville, Stanford, Mt. Range: Santa Cruz; Watershed: San Francisco Bay 122 Comment
  CAS-BOT-BC55890  Rhamnus crocea H. A. Dutton 1900-2-1 s.n. San Mateo unspecified Comment
  JROH3562  Rhamnus crocea D. E. Breedlove 1971-5-31 19344 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  POM282947  Rhamnus crocea Lyman Benson 1930-5-21 s.n. San Mateo Lake Searsville. 152 Comment
  RSA7754  Rhamnus crocea Carl B. Wolf 1927-8-7 717 San Mateo Schenkel's Camp back of Stanford university campus, Los Trancos Creek, San Mateo. Comment
  CAS-BOT-BC56668  Rhododendron occidentale A. D. E. Elmer 1903-6-1 4298 San Mateo Butano Creek Comment
  UC11717  Ribes J. Burtt Davy Jun 21 1893-Jun 23 1893 1155 San Mateo Pilarcitos Lake and Canyon Comment
  CAS-BOT-BC92489  Ribes aureum var. gracillimum James McMurphy 1906-4-4 s.n. San Mateo Creek above Judge Allen's, Santa Cruz Mountains. Comment
  RSA101029  Ribes californicum G. Oberlander 1950-3-18 527 San Mateo Pilarcitos Canyon, San Francisco Watershed Reserve. Comment
  CAS-BOT-BC92999  Ribes californicum var. californicum Lewis S. Rose 1949-3-18 49007 San Mateo Hillsides west of Belmont. 91 Comment
  JROH2649  Ribes californicum var. californicum John Hunter Thomas 1983-2-21 21280 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Escobar Gate Comment
  UCD102242  Ribes divaricatum Lewis S. Rose 1965-3-16 65008 San Mateo Searsville Lake. 121 Comment
  CAS-BOT-BC173085  Ribes divaricatum var. pubiflorum Elmer I. Applegate 1895-3-9 188 San Mateo Woodside Comment
  JROH2654  Ribes divaricatum var. pubiflorum John Hunter Thomas 1985-4-25 23555 San Mateo Jasper Ridge Biological Preserve, Stanford University. Causeway. Comment
  CAS-BOT-BC173477  Ribes malvaceum George Oberlander 1949-2-2 5 San Mateo Crest of Sweeney Ridge Comment
  JROH2661  Ribes malvaceum var. malvaceum J. H. Thomas 1959-1-17 7513 San Mateo Jasper Ridge Biological Preserve, Stanford University 152 Comment
  JROH2664  Ribes malvaceum var. malvaceum John H. Thomas 1968-2-11 14146 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC212835  Ribes menziesii J. H. Thomas 1962-3-24 9839 San Mateo Isenberg Ranch near Langley Hill. 548 Comment
  CAS-BOT-BC212841  Ribes menziesii J. H. Thomas 1949-3-29 188 San Mateo King's Mountain Comment
  RSA0021750  Ribes menziesii var. leptosmum John H. Thomas 1960-3-1 8538 San Mateo Near San Francisquito Creek. Jasper Ridge, about 5 miles southwest of Palo Alto. 152 Comment
  CAS-BOT-BC144606  Ribes sanguineum var. glutinosum Elmer I. Applegate 1895-3-3 198 San Mateo San Gregorio Creek below La Honda Comment
  CAS-BOT-BC144647  Ribes sanguineum var. glutinosum A. D. E. Elmer 1903-3-1 4470 San Mateo Portola Comment
  JROH2680  Ribes sanguineum var. glutinosum John Hunter Thomas 1981-4-5 20274 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek. Comment
  RSA0019114  Ribes sanguineum var. glutinosum A. D. E. Elmer 1903-03 4470 San Mateo Portola Comment
  CAS-BOT-BC363088  Rigiopappus leptocladus Ned Cahill 1974-5-13 272 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JROH1204  Rigiopappus leptocladus John H. Thomas 1963-5-15 10089 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1210  Rigiopappus leptocladus John Hunter Thomas 1992-4-29 25169 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1736041  Romulea rosea var. australis Dean W. Taylor 1995-3-14 14751 San Mateo Buri Buri Ridge; west of Hillsborough; west of Skyline Blvd.; San Francisco Fish & Game Refuge, San Francisco Water Department lands 152 Comment
  UC1084381  Rorippa G. Thomas Robbins 1937-4-11 81 San Mateo along Skyline Boulevard near County Jail (s of San Francisco); s of San Francisco Comment
  SJSU15226  Rorippa curvisiliqua Toni Corelli 2012-7-12 802 San Mateo Wavecrest, west of Highway 1 in Half Moon Bay 24 Comment
  CAS-BOT-BC147627  Rosa californica Elizabeth McClintock; Paul Reeberg 1988-4-30 s.n. San Mateo Buckeye Canyon Comment
  HSC23985  Rosa gymnocarpa Mary Katherine Wicksten 1971-6-24 110 San Mateo Huddart Park, near entrance Comment
  POM140214  Rosa gymnocarpa Edward L. Greene 1902-5-10 798 San Mateo King's Mtn Comment
  RSA195394  Rosa gymnocarpa W. R. Dudley 1906-5-8 65 San Mateo Near Crystal Springs Lake. Santa Cruz Mtns. Santa Cruz peninsula. 91 Comment
  JROH3767  Rosa laevigata John H. Thomas 1967-6-1 12971 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC5991  Rosa piscatoria Adolph Daniel Edward Elmer 1903-5-1 4923 San Mateo On the Pescadero Creek, Iverson's Place Comment
  RSA112364  Rubus spectabilis var. franciscanus W. R. Dudley 1900-3-16 s.n. San Mateo By bridge over Pilarcitos Rd. (Spanishtown and San Mateo). Comment
  CAS-BOT-BC157074  Rubus ursinus Walter Knight; Irja Knight 1964-5-30 595 San Mateo Colma Canyon Comment
  CAS-BOT-BC157082  Rubus ursinus L. R. Abrams 1914-10-14 5136 San Mateo Tunitas [Canon] Canyon Comment
  CAS-BOT-BC157097  Rubus ursinus John Thomas Howell 1938-6-4 13888 San Mateo Burlingame Comment
  CAS-BOT-BC157102  Rubus ursinus Alice Eastwood; John Thomas Howell 1938-6-26 6050 San Mateo Montara Mt. above Pt. San Pedro Comment
  CAS-BOT-BC157103  Rubus ursinus Alice Eastwood; John Thomas Howell 1938-6-26 6050 San Mateo Montara Mt. above Pt. San Pedro Comment
  JROH3778  Rubus ursinus W. R. Dudley 1898-4-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA15290  Rubus ursinus Carl B. Wolf 1927-4-3 258 San Mateo 1 mile above La Honda. Santa Cruz Mountains. Comment
  UCSB18180  Rubus ursinus Muirhead, M. 1964-4-17 San Mateo Crocker Estate, Hillsborough, California 91 Comment
  CAS-BOT-BC422088  Rumex acetosella E. McClintock; Phillip Wheeler 1965-5-23 s.n. San Mateo San Bruno Mountain. Top of ridge, east of Nike station. Comment
  UCD101037  Rumex acetosella E. M. Johnston 1916-6-1 11 San Mateo Millbrae. Comment
  CAS-BOT-BC421571  Rumex crassus John H. Thomas 1963-5-20 10130 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz. Comment
  CAS-BOT-BC433356  Rumex crispus A. D. E. Elmer 1903-6-1 4266 San Mateo San Mateo Comment
  CAS-BOT-BC433359  Rumex crispus Ned Cahill 1974-5-3 275 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City. Comment
  CAS-BOT-BC433367  Rumex crispus A. D. E. Elmer 1903-6-1 4276 San Mateo San Mateo Comment
  CAS-BOT-BC433545  Rumex fueginus W. R. Dudley 1902-9-21 s.n. San Mateo Santa Cruz Peninsula. Near Crystal Springs Lake Comment
  JROH3305  Rumex pulcher John H. Thomas 1967-6-1 12964 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC433818  Rumex pulcher Ned Cahill 1974-6-21 337 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City. Comment
  JROH3309  Rumex pulcher John Hunter Thomas 1983-5-23 22236 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near shack side and low-flow crossing. Comment
  CAS-BOT-BC433998  Rumex salicifolius George Oberlander 1949-7-24 306 San Mateo San Francisco Watershed Reserve. About Upper Crystal Spr. Lake Comment
  CAS-BOT-BC434132  Rumex transitorius Alice Eastwood; John Thomas Howell 1938-6-26 6061 San Mateo Near Pescadero Comment
  CAS-BOT-BC434133  Rumex transitorius Goodman 1918-7-23 s.n. San Mateo San Pedro Valley Comment
  UC311105  Rupertia physodes A. D. E. Elmer June, 1903 4270 San Mateo Crystal Springs Lake Comment
  UC279590  Ruppia maritima W. A. Setchell 1925-8-29 San Mateo Laguna de Salada Comment
  SJSU4472  Ruta chalepensis A. J. Hutchko 1962-5-20 100 San Mateo by seaside walk near foot of Grove St, Half Moon Bay 15 Comment
  UC1738942  Rytidosperma caespitosum Glenn Clifton 1992-8-4 San Mateo between Whitehorse Creek and Cascade Creek Santa Cruz Mountains, Cascade Ranch State Park 15 Comment
  JROH1712  Sagina apetala John Pelton 1962-4-25 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near the horsemen's drinking facility Comment
  CAS-BOT-BC103337  Salix bonplandiana W. R. Dudley 1900-3-18 s.n. San Mateo South of San Andreas Lake Comment
  JROH3858  Salix laevigata Toni Corelli 2002-11-18 250 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 21, West side of Searsville Lake on lake trail that is east of the Field Station 106 Comment
  UC492372  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1932-7-4 640 San Mateo 4/10 mi e. Pescadero (Butano Creek Rd.) Comment
  CAS-BOT-BC125371  Salix lasiandra var. lasiandra W. R. Dudley 1900-3-17 s.n. San Mateo South side of Montara Mts. along road Comment
  CAS-BOT-BC107132  Salix lasiolepis Ira L. Wiggins 1976-4-20 22178 San Mateo Along N bank of San Francisquito Creek, near Pope Street Bridge, Menlo Park Comment
  CAS-BOT-BC107133  Salix lasiolepis Peter H. Raven 1964-2-16 18742 San Mateo Just south of Lake San Andreas Comment
  POM281339  Salix lasiolepis Lyman D. Benson 1931-2-28 2612 San Mateo Above Woodside, King's Mtn. Santa Cruz mtn range. San Francisco Bay watershed. 244 Comment
  SEINET12003303  Salix lasiolepis L. S. Rose 1938-1 38302 San Mateo San Francisco, Mountain Lake, Presidio 30 Comment
  CAS-BOT-BC108260  Salix lasiolepis var. bigelovii C. R. Ball; G. W. Hendry 1931-2-22 15 San Mateo In arroyo near San Gregoio Creek, 100 m. from ocean. Near sea level. Comment
  SBBG1241  Salix lucida subsp. lasiandra J. W. Congdon -Aug-1897 San Mateo Pescadero Comment
  CAS-BOT-BC129069  Salix scouleriana A. D. E. Elmer 1903-6-1 4864 San Mateo Iverson's Place on the Pescadero Comment
  CAS-BOT-BC126507  Salix sitchensis James McMurphy 1907-4-27 s.n. San Mateo Kings Mt. Comment
  CAS-BOT-BC126515  Salix sitchensis L. R. A. 1902-3-1 2272 San Mateo Kings Mountain Comment
  CAS-BOT-BC126521  Salix sitchensis W. R. Dudley 1897-4-19 s.n. San Mateo Bank of Pescadero Creek below Peters Creek Comment
  CAS-BOT-BC176912  Salsola tragus Phillip C. Wheeler 1965-6-19 s.n. San Mateo Brisbane Lagoon Comment
  SJSU5408  Salvia officinalis A. J. Cortopassi 1959-5-9 San Mateo 2319 Hillside Dr, Burlingame Comment
  JEPS29418  Salvia spathacea L. R. Heckard 1961-7-16 1266 San Mateo just below San Bruno Mt. summit (sw of transmitting station KQED); San Bruno Mt. 304 Comment
  POM62871  Salvia spathacea C. F. Baker 1903-4-6 1878 San Mateo San Bruno Hills. Comment
  UC306578  Salvia spathacea A. D. E. Elmer May 1903 4440 San Mateo Colma Comment
  UC25752  Salvia spathacea Ivar Tidestrom May 1894 San Mateo Comment
  JROH1669  Sambucus nigra subsp. caerulea John H. Thomas 1963-6-23 10171 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC236464  Sambucus racemosa subsp. racemosa Adaline Christensen 1956-5-1 s.n. San Mateo Half Moon Bay Comment
  UCD163785  Sambucus racemosa var. racemosa Peter Rubtzoff 1988-6-9 9925 San Mateo San Bruno Mountains, upper part of East Fork Colma Creek Canyon. Comment
  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
  CDA33763  Sanicula arctopoides D. G. Kelch 2011-3-13 11 .05 San Mateo Pacifica. Along sea bluffs Comment
  UC1301128  Sanicula arctopoides Helen K. Sharsmith 1963-2-16 5131 a San Mateo above Daly City (San Francisco Bay Region, San Bruno Mountain); San Francisco Bay Region, San Bruno Mountain 106 Comment
  UC579535  Sanicula arctopoides H. S. Yates 1935-2-3 5102 San Mateo 0.5 mi se of Pigeon Point 30 Comment
  POM288029  Sanicula bipinnatifida Lyman Benson 1931-3-15 2637 San Mateo Emerald Lake; Redwood City; Mt. Range: Santa Cruz 549 Comment
  RSA40105  Sanicula bipinnatifida L. S. Rose 1948-3-31 48033 San Mateo Skyline Blvd. above San Andreas Lake. 152 Comment
  CDA39078  Sanicula crassicaulis M. K. Beyers 2013-3-3 s.n. San Mateo Montara State Beach, McNee Ranch Trail Trailhead. Comment
  CHSC1984  Sanicula crassicaulis A. Goekler 1929-5-10 San Mateo Moss Beach. Comment
  JROH328  Sanicula crassicaulis Ynez Henderson 1920-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lake Comment
  JROH332  Sanicula crassicaulis John H. Thomas 1967-5-12 12877 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC166668  Satureja douglasii Peter Rubtzoff 1975-10-24 8429 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction; (tributary of East Fork Colma Creek). San Bruno Mountains. Comment
  POM283188  Satureja douglasii Lyman Benson 1930-5-26 s.n. San Mateo Stanford University. Lake Searsville. 152 Comment
  UC1601284  Satureja douglasii Lewis S. Rose 1933-6-9 33220 San Mateo 3 mi w San Bruno Comment
  UCD164422  Schedonorus arundinaceus Peter Rubtzoff 1977-6-21 9060 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction and northwest of Fog Forest. Comment
  RSA140840  Schinus molle John H. Thomas 1960-6-25 8788 San Mateo Redwood City. Along or near a small creek running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street. alt. below 25 feet. 8 Comment
  CAS-BOT-BC111415  Schoenoplectus acutus var. occidentalis Rimo Bacigalupi 1922-5-25 s.n. San Mateo Emerald Lake, Redwood City Comment
  JROH4419  Schoenoplectus acutus var. occidentalis John Hunter Thomas 1989-5-23 24748 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low flow crossing. Comment
  CAS-BOT-BC111604  Schoenoplectus californicus George Thomas Oberlander 1949-7-30 322 San Mateo Marsh, San Andreas Lake Comment
  SEINET11754563  Schoenoplectus pungens E. A. Purer 1933-1 5391 San Mateo 2 mi S of Pigeon Point Comment
  CAS-BOT-BC111779  Schoenoplectus pungens var. badius Alice S. Mulford 1945-7-17 s.n. San Mateo Moss Beach Comment
  UC75027  Scirpus cernuus Dr. E. B. Copeland 1903-6-15 3315 San Mateo Montara Point Comment
  JEPS85228  Scirpus koilolepis Roy E. Buck and James A. West 1985-4-29 526 San Mateo 1.9 air km. e.-n.e. Franklin Point (ca. 0.8 air km. n.e. of Whitehouse Canyon Rd.-CA Hwy. 1 jct, just n. of Whitehouse Canyon Rd., shallow watercourse at head of minor gulch); Cascade Ranch 60 Comment
  CDA19091  Scirpus maritimus J. Beall 2001-4-24 PDR 064435 San Mateo Belmont Creek at Old Country Rd., Belmont. 0 Comment
  UC1100829  Scirpus microcarpus Malcolm A. Nobs, S. Galen Smith 1949-8-25 1559 San Mateo marshes at Sharp Park Comment
  UC2159  Scirpus microcarpus J. Burtt Davy 1893-6-22 765 San Mateo marsh at head Lake Pilarcitos; marsh at head Lake Pilarcitos Comment
  JEPS62104  Scoliopus bigelovii Inez Smith March 1915 San Mateo Hillsboro Comment
  RSA132362  Scoliopus bigelovii John H. Thomas 1960-3-1 8539 San Mateo Dense redwood forest along Kings Mt. road about 0.5 mile below Skyline Blve. 610 Comment
  SEINET926250  Scoliopus bigelovii A. D. E. Elmer 1903-1 4559 San Mateo King's mountain. Comment
  UC1057748  Scoliopus bigelovii F. A. Pitelka 1946-4-13 San Mateo Pilarcitos Lake Comment
  CAS-BOT-BC519008  Scoliopus bigelovii Harold Block 1926-1-24 s. n. San Mateo Kings Mountain Comment
  JEPS62100  Scoliopus bigelovii Elsa Kraeger 1926-2-21 San Mateo n. La Honda Comment
  SEINET12050524  Scoliopus bigelovii F. H. Utech 1988-1 88 -041 San Mateo 3.3 mi from junction of Kings Mt Rd & CA 35 on former enroute to Woodside 260 Comment
  SEINET12051466  Scoliopus bigelovii F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -223 San Mateo 0.5 mi from junction of Kings Mt Rd & CA 35, on former enroute to Woodside, near Skyline Trail head 580 Comment
  SEINET12051468  Scoliopus bigelovii F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -223 San Mateo 0.5 mi from junction of Kings Mt Rd & CA 35, on former enroute to Woodside, near Skyline Trail head 580 Comment
  SEINET12057692  Scoliopus bigelovii F. H. Utech, Sato, T.; Ohara, M. 1990-5-4 90 -223 San Mateo 0.5 mi from junction of Kings Mt Rd & CA 35, on the former, near Skyline Trail head 580 Comment
  CDA7621  Scolymus hispanicus T. C. Fuller 1965-7-8 13755 San Mateo D. McBryde property, 140 Eleanor Drive, Woodside. 0 Comment
  JROH5460  Scribneria bolanderi John Rawlings 2007-3-23 1034 San Mateo Jasper Ridge Biological Preserve, Stanford University. Road F, Serpentine, about 50 m. nw of the oak island. 178 Comment
  UCD124850  Scrophularia californica R. S. Woglum 1935-5-25 1167 San Mateo Southeast San Mateo County: San Francisco area, Skyline Drive to Big Basin. Comment
  JROH2884  Scutellaria tuberosa John H. Thomas 1961-4-28 9175 San Mateo Jasper Ridge Biological Preserve, Stanford University; above Searsville Lake Comment
  CAS-BOT-BC59051  Sedum spathulifolium Phillip C. Wheeler 1965-7-8 s.n. San Mateo Canyon adjacent to quarry, San Bruno Mountain Comment
  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-BC59060  Sedum spathulifolium G. B. Rossbach 1939-6-18 755 San Mateo Cliff on SE slope of North Peak, Montara Mts 396 Comment
  JEPS27357  Senecio aronicoides Rimo Bacigalupi with Jim Roof and L. Heckard 1961-4-24 7617 a San Mateo just e KRON television tower (on lateral ridge below and se of end of paved ridge-top, on Guadalupe Valley side of summit of San Bruno Mountain); San Bruno Mountain 304 Comment
  RSA0012754  Senecio aronicoides John H. Thomas 1961-5-7 9308 San Mateo San Bruno Mountain, in northern part of county. 305 Comment
  CAS-BOT-BC363384  Senecio aronicoides W. R. Dudley 1894-4-21 s.n. San Mateo Santa Cruz Peninsula. By upper road, San Mateo Ravine Comment
  CAS-BOT-BC363395  Senecio aronicoides Le Roy Abrams 1902-5-4 2398 San Mateo Hills back of Redwood Comment
  JROH1216  Senecio aronicoides D. D. Davis 1903-5-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville vicinity Comment
  JEPS37223  Senecio hydrophilus W. L. Jepson 1910-8-18 4162 San Mateo Butano Creek Comment
  RSA132965  Senecio mikanioides John H. Thomas 1958-12-18 7509 San Mateo Along Skyline Blvd. just west of San Bruno. Comment
  JROH685  Senecio minimus Toni Corelli 2006-8-16 323 San Mateo Jasper Ridge Biological Preserve, Stanford University. South of Road B, below Dennis Martin marker site 70 Comment
  RSA152057  Senecio sylvaticus John H. Thomas 1961-5-7 9272 San Mateo San Bruno Mountain, in northern part of county. 305 Comment
  CAS-BOT-BC364634  Senecio vulgaris Fred Hemphill 1973-3-17 634 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  JROH1224  Senecio vulgaris John H. Thomas 1968-3-17 14188 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD135850  Senecio vulgaris J. D. Skoss 1948-7-25 45 San Mateo San Vicente, near Montara. Comment
  CAS-BOT-BC80290  Sequoia sempervirens Ira L. Wiggins 1925-4-1 1659 San Mateo On Kings Mountain Road three fourths of a mile above Woodside Comment
  NY804113  Sequoia sempervirens C. R. Broome 1978-7-2 2224 San Mateo Kings Mountain Road, 1.5 miles W of its junction with CA Hwy 84. Comment
  UC118916  Sequoia sempervirens C. F. Baker 1902-1-15 319 San Mateo w side of King's Mountain Coast Range, King's Mountain Comment
  UC405205  Sequoia sempervirens unknown 1874-1-1 San Mateo Comment
  CAS-BOT-BC85778  Sequoia sempervirens W. R. Dudley 1902-12-1 s.n. San Mateo On trail from Iverson's Bull Spring Comment
  CAS-BOT-BC85782  Sequoia sempervirens unspecified 1901-1-27 s.n. San Mateo Mountain side West of Preston Place Comment
  CDA43035  Setaria parviflora Eaton 2014-7-6 PDR# 010 P06220324 San Mateo Mapache Drive near Westridge Drive, Portola Valley. 0 Comment
  UCR231146  Sidalcea malviflora R. F. Thorne, Percy C. Everett 1963-6-9 32221 San Mateo Central Western; San Francisco Bay area, on top of San Bruno Mountain on Kamchatka Point near the TV tower 335 Comment
  SD39303  Sidalcea malviflora Marie Cummings 1933-5-8 3733 San Mateo Woodside Road Comment
  UC18913  Sidalcea malviflora subsp. laciniata J. Burtt Davy 1895-4-20 1024 San Mateo Millbrae Comment
  POM282902  Sidalcea malviflora subsp. malviflora Lyman Benson 1930-4-6 2044 San Mateo Moss Beach. West slope. 15 Comment
  POM282903  Sidalcea malviflora subsp. malviflora Lyman Benson 1931-3-3 2620 San Mateo Moss Beach. 15 Comment
  RSA130377  Sidalcea malviflora subsp. malviflora W. R. Dudley 1900-3-17 s.n. San Mateo By road, top of Montara Mts. Comment
  CAS-BOT-BC389902  Silene Alice Eastwood 1912-6-10 328 San Mateo Millbrae Comment
  UC8420  Silene californica Alice Eastwood May 1896 San Mateo Crystal Springs Comment
  CAS-BOT-BC384433  Silene coronaria Alexander Locke 1963-5-19 32 San Mateo 714 Alameda de los Pulgas, Belmont Comment
  CAS-BOT-BC386853  Silene gallica John H. Thomas 1961-5-7 9309 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC386852  Silene gallica Walter Knight; Irja Knight 1965-3-28 976 San Mateo San Bruno Mountain. Flower Garden adjacent to April Brook. Comment
  JROH1737  Silene gallica John Hunter Thomas 1982-5-18 20930 San Mateo Jasper Ridge Biological Preserve, Stanford University; along road along SLAC fence near low-flow crossing Comment
  CAS-BOT-BC389894  Silene scouleri subsp. scouleri C. F. Leitholt 1894-7-29 s.n. San Mateo Santa Cruz Mountain Peninsula. Pescadero Comment
  SEINET3876420  Sisyrinchium bellum Lewis S. Rose 1961-4-5 61031 San Mateo San Bruno Mountains.; 0 366 Comment
  SEINET5571633  Sisyrinchium bellum H. S. Gentry 1931-1 6 San Mateo Collected 1.5 miles west of San Mateo, Half-moon Bay road. Comment
  UCSB18427  Sisyrinchium bellum Muirhead, M. 1964-4-17 San Mateo Crocker Estate; Hillsborough 76 Comment
  UC844207  Smilacina stellata Lewis S. Rose 1939-4-12 39059 San Mateo Crystal Springs Lake 152 Comment
  JEPS12105  Solanum douglasii W. I. Follett 1934-2-18 10 San Mateo 2.6 mi n of Pigeon Point (beside the main highway) Comment
  RSA176857  Solanum douglasii John H. Thomas 1963-5-20 10110 San Mateo Ano Nuevo Island, 1/2 mile off shore and about 20 miles NW of Santa Cruz. 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
  RSA784604  Solanum nodiflorum Peter Rubtzoff 1974-12-17 7942 San Mateo San Bruno Mountains. 'Saddle' area on N side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  CAS-BOT-BC58478  Solanum umbelliferum M. A. Barry 1937-5-15 114 San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC58482  Solanum umbelliferum R. C. Rollins 1941-3-16 2944 San Mateo E slope of Kings Mountain about 6 miles W of Woodside, Santa Cruz Mts. Comment
  HSC23784  Solanum umbelliferum Mary Katherine Wicksten 1971-6-17 58 San Mateo Huddart Park, above Oak Flat Comment
  JROH4185  Solanum umbelliferum John H. Thomas 1956-4-7 5603 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  NY820567  Solanum umbelliferum L. S. Rose 1939-2-26 39016 San Mateo Emerald Lake 183 Comment
  CAS-BOT-BC157037  Solanum umbelliferum A. Menzies; B. Menzies 1965-3-14 s.n. San Mateo South Power Line Ridge Comment
  CAS-BOT-BC389752  Solanum umbelliferum J. Nieri 1953-2-14 s.n. San Mateo 4 miles East Half Moon Bay Canyon Comment
  JROH4195  Solanum umbelliferum John Hunter Thomas 1989-5-11 24732 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near bridge on causeway, bridge separates two parts of lake Comment
  NY820593  Solanum umbelliferum D. Demarée 1932-4-9 8981 San Mateo Los Troncos Woods Comment
  RSA507799  Solidago canadensis J. C. Semple, S. Heard 1986-8-23 8591 San Mateo Ca-1 ca. one km south of Pescadero State Beach. Comment
  UCR256295  Solidago canadensis subsp. elongata Peter Rubtzoff 1976-10-5 8909 San Mateo San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 213 Comment
  UC1555381  Solidago spathulata J. A. DeBenedictis 1988-7-13 1543 San Mateo San Bruno Mountain Comment
  CAS-BOT-BC365186  Solidago velutina subsp. californica Peter Rubtzoff 1975-10-4 8415 San Mateo San Bruno Mountains. On ridge northwest of Fog Forest Comment
  CAS-BOT-BC365189  Solidago velutina subsp. californica Roxana S. Ferris 1920-9-3 2051 San Mateo Santa Cruz Mountain Peninsula. Near the upper Mud Lake, Coal Mine Ridge Comment
  CAS-BOT-BC365191  Solidago velutina subsp. californica R. Bacigalupi 1941-10-30 2730 San Mateo 1/2 mi. south of junction with Belmont Road, along Crystal Springs-Woodside Road Comment
  CAS-BOT-BC365924  Soliva sessilis W. R. Dudley 1895-6-6 s.n. San Mateo Santa Cruz Peninsula. Near Pescadero Creek Comment
  CAS-BOT-BC365931  Soliva sessilis Walter Knight; Irja Knight 1964-5-19 626 San Mateo San Bruno Mountain. On N. Power Line Ridge Comment
  JROH1258  Sonchus asper subsp. asper John Hunter Thomas 1981-5-8 20555 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSC007747  Sonchus asper subsp. asper Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC374702  Sonchus oleraceus W. R. Dudley 1895-2-23 s.n. San Mateo Santa Cruz Peninsula. San Francisquito Creek beyond Hopkins place Comment
  UCSB17217  Sonchus oleraceus Schulte, John 1963-4-26 San Mateo Jasper Ridge, 3 miles southwest of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  JROH5524  Sparganium eurycarpum var. eurycarpum John Hunter Thomas 1979-5-22 19574 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5521  Sparganium eurycarpum var. eurycarpum L. R. Abrams 1919-8-20 7346 San Mateo Jasper Ridge Biological Preserve, Stanford University. Head of Searsville Lake by Road. Comment
  JROH2225  Spartium junceum Ann Lambrecht 2009-6-4 36 San Mateo Jasper Ridge Biological Preserve, Stanford University; San Francisquito Creek, south side, opposite Dennis Martin marker Comment
  JROH1745  Spergula arvensis John Hunter Thomas 1980-4-10 19881 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
  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-BC390453  Spergularia macrotheca var. macrotheca J. H. Thomas 1954-5-28 4245 San Mateo Guadalupe Valley, about 2 miles south of San Francisco - San Mateo County line 30 Comment
  CAS-BOT-BC390452  Spergularia macrotheca var. macrotheca Philip C. Wheeler 1965-5-8 s.n. San Mateo San Bruno Mountain. Sierra Point Comment
  JROH5582  Spergularia rubra John Rawlings 2013-7-13 1191 San Mateo Jasper Ridge Biological Preserve, Stanford University; a few yards downstream from the Low Flow Crossing 80 Comment
  CAS-BOT-BC166942  Spergularia rubra Peter Rubtzoff 1978-7-8 9234 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC390704  Spergularia rubra Javier Penalosa 1963-3-30 2752 San Mateo San Bruno Mountain. Crest of ridge SW of Brisbane, 750 ft NW of power lines 304 Comment
  SD25965  Spiranthes romanzoffiana Edith A. Purer 1939-7-1 7928 C San Mateo Wet spot, sand dunes, Ano Nuevo Point. Comment
  CAS-BOT-BC220976  Stachys Ned Cahill 1974-5-13 252 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  SBBG29843  Stachys ajugoides L. S. Rose 1936-5-23 s.n. San Mateo E of Crystal Springs Lake 152 Comment
  RSA131287  Stachys ajugoides W. R. Dudley 1894-05 s.n. San Mateo Woodside to Crystal Springs Reservoir Comment
  UC702529  Stachys ajugoides var. ajugoides L. S. Rose 1941-10-24 41469 San Mateo Belmont 3 Comment
  UC1176932  Stachys ajugoides var. rigida Peter H. Raven 1950-5-5 2043 San Mateo Moss Beach 15 Comment
  POM204318  Stachys bullata I. L. Wiggins 1929-7-4 3783 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  UC1537555  Stachys bullata Gordon H. True Jr. 1936-6-14 503 San Mateo canyon s Saledo Beach (near coast) 152 Comment
  UCR122977  Stachys bullata George K. Helmkamp, E. A. Helmkamp 2001-6-2 6771 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
  POM283275  Stachys bullata Lyman Benson 1928-12-15 828 San Mateo La Honda, Santa Cruz Mountain Range, North slope. 213 Comment
  SEINET12343829  Stachys bullata L. S. Rose 1932-5-3 32215 San Mateo San Bruno 183 Comment
  NY415785  Stachys gracilenta A. A. Heller 1907-5-28 8574 San Mateo Above Crystal Springs on the Half Moon Bay road Comment
  RSA0109084  Stachys pycnantha A. D. E. Elmer 1903-06 s.n. San Mateo Alpine School House. Comment
  NY415795  Stachys quercetorum A. A. Heller 1907-5-28 8577 San Mateo Above Crystal Springs on the Half Moon Bay road Comment
  RSA785892  Stachys rigida subsp. quercetorum Peter Rubtzoff 1977-6-21 9063 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. East Fork Colma Creek Canyon, near upper rim. Comment
  RSA785893  Stachys rigida subsp. quercetorum Peter Rubtzoff 1975-10-11 8425 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Northwest of Fog Forest. Comment
  JROH2891  Stachys rigida var. quercetorum Herbert Dengler 1961-4-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; by S.F. Cr. near E corner of preserve Comment
  UC92128  Stebbinsoseris heterocarpa T. S. Brandegee 1890-5-21 San Mateo Searsville Comment
Read comments
Nov 12 2007
  CAS-BOT-BC394055  Stellaria media Elizabeth McClintock 1967-4-16 s.n. San Mateo Buckeye Canyon; San Bruno Mountain Comment
  JROH1790  Stellaria nitens John H. Thomas 1968-3-17 14196 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC375211  Stephanomeria elata Elizabeth McClintock; Walter Knight; Irja Knight 1967-8-1 s.n. San Mateo San Bruno Mountain. South side of Ridge Road about 200 yards south of Parking Lot Comment
  JROH5393  Stipa miliacea var. miliacea John Rawlings 2011-10-11 1088 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along the brick path from Visitor Parking to Sun Field Station. 119 Comment
  JROH5331  Stipa pulchra Duncan M. Porter 1960-4-22 664 San Mateo Jasper Ridge Biological Preserve, Stanford University. Meadow near crest of N-facing slope above Webb Ranch. Comment
  JROH5334  Stipa pulchra John H. Thomas 1964-4-12 10311 San Mateo Jasper Ridge Biological Preserve, Stanford University. On slope to the east of the dam. Comment
  JROH5516  Stuckenia pectinata Ann Lambrecht, Paul Heiple 2008-8-6 45 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake Comment
  RSA14209  Symphoricarpos albus var. laevigatus C. B. Wolf 1926-10-19 193 San Mateo Roadside slope, west of La Honda. Comment
  RSA770504  Symphoricarpos albus var. laevigatus Lyman Benson 1937-7-25 8466 San Mateo Lake Searsville; Mt. range: Santa Cruz; Drainage area: San Francisco Bay. 122 Comment
  CAS-BOT-BC237066  Symphoricarpos mollis Phillip C. Wheeler 1965-4-27 s.n. San Mateo Live Oak Canyon, San Bruno Mountain Comment
  CAS-BOT-BC237069  Symphoricarpos mollis Fred Hemphill 1973-4-22 741 San Mateo Area north of Malabar Road and Melendy Drive, San Carlos 207 Comment
  JROH526  Symphyotrichum chilense John Hunter Thomas 1982-9-12 21157 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1119620  Symphyotrichum chilense A. E. Wieslander 1935-2-3 506 San Mateo .5 me se of Pigeon Pt.; Santa Cruz Quad. 30 Comment
  UC1192068  Symphyotrichum chilense Malcolm A. Nobs and S. Galen Smith 1949-8-25 1571 San Mateo s of Rockaway Beach Comment
  CAS-BOT-BC99097  Symphyotrichum chilense Helen D. Geis 1901-10-25 s.n. San Mateo Crystal Springs to Half Moon Bay Comment
  JEPS81901  Symphyotrichum subspicatum Roger Raiche 1982-9-6 20719 San Mateo Northeast slope Montara Mt. Montara Mt. 243 Comment
  SD72386  Symphyotrichum subspicatum Darley F. Howe 1967-8-6 4369 San Mateo Half Moon Bay. Comment
  CAS-BOT-BC376711  Tanacetum bipinnatum Barbara Sherfey; Arthur L. Menzies 1963-9-14 s.n. San Mateo San Bruno Hills Comment
  SBBG40538  Tanacetum camphoratum B. Sherfey, A. L. Menzies 1963-9-14 San Mateo San Bruno Hills Comment
  CAS-BOT-BC376870  Taraxacum erythrospermum Walter Knight; Irja Knight 1965-3-21 926 San Mateo San Bruno Mountain. On Power Line Ridge Comment
  UCSB18577  Taraxacum officinale Hutchinson, Sandra 1964-3-22 San Mateo Backyard, 908 Patricia Ave., San Mateo Comment
  CHSC39813  Taraxia ovata Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  UC1537659  Taraxia ovata Gordon H. True Jr. 1937-3-31 612 San Mateo Salada Beach Road 60 Comment
  JROH3004  Taraxia ovata John Hunter Thomas 1978-4-25 19148 San Mateo Jasper Ridge Biological Preserve, Stanford University; old parking area Comment
  CAS-BOT-BC447474  Tellima grandiflora Philip C. Wheeler 1965-5-12 s.n. San Mateo South canyon below western power lines Comment
  CAS-BOT-BC447482  Tellima grandiflora George Oberlander 1950-5-21 877 San Mateo pilarcitas canyon Comment
  CAS-BOT-BC447483  Tellima grandiflora Le Roy Abrams 1901-5-1 1558 San Mateo Searsville-Bear Gultch Comment
  JROH3506  Thalictrum fendleri var. polycarpum Daniel Cohen 1953-4-11 14 San Mateo Jasper Ridge Biological Preserve, Stanford University. Growing near roadside at edge of Searsville Lake Comment
  JROH3514  Thalictrum fendleri var. polycarpum John Hunter Thomas 1988-4-7 24381 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near dam Comment
  UC727238  Thalictrum fendleri var. polycarpum W. R. Dudley 1904-4-10 San Mateo Alpine Rd Santa Cruz Mountain Peninsula, Black Mt. Comment
  CAS-BOT-BC399845  Thalictrum polycarpum W. R. Dudley 1900-3-18 s.n. San Mateo Santa Cruz Peninsula. Northwest of San Andreas Reservoir Comment
  CAS-BOT-BC399850  Thalictrum polycarpum Walter Knight; Irja Knight 1965-4-4 s.n. San Mateo San Bruno Mountain. Bitter Cherry Ravine about 80% of the way to summit Comment
  CDA3888  Thlaspi arvense W. Davis 1967-4-24 San Mateo Southern Pacific Railroad, San Mateo. 0 Comment
  CAS-BOT-BC66658  Thysanocarpus curvipes John H. Thomas 1968-4-13 14290 A San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  CAS-BOT-BC66660  Thysanocarpus curvipes John H. Thomas 1968-4-13 14290 A San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  CAS-BOT-BC66667  Thysanocarpus curvipes John H. Thomas 1972-4-1 16044 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  JROH1617  Thysanocarpus curvipes John Hunter Thomas 1989-4-8 24625 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH1623  Thysanocarpus curvipes John Hunter Thomas 1991-4-9 24976 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC66680  Thysanocarpus curvipes Dr. A. Kellogg; W. G. W. Harford 1868-1-1 49 San Mateo Unspecified. Comment
  CAS-BOT-BC447580  Tiarella trifoliata var. unifoliata Josephine D. Randall 1907-7-28 372 San Mateo Santa Cruz Peninsula: Iverson's near Peters Creek Comment
  UC754286  Torreya californica Ira L. Wiggins 1945-5-5 11161 San Mateo about 1 mi above La Honda (along La Honda Creek); La Honda Creek 152 Comment
  CAS-BOT-BC172904  Toxicodendron diversilobum C. F. Leitholt 1901-3-16 s.n. San Mateo Los Trancos Creek, near Stanford University Comment
  RSA15296  Toxicodendron diversilobum C. B. Wolf 1927-4-3 266 San Mateo 1 mile above La Honda. Santa Cruz Mountains Comment
  JROH5898  Toxicodendron diversilobum M. Ray 1982-5-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; trailside south of Searsville Lake Comment
  JROH4761  Toxicoscordion fremontii John Hunter Thomas 1982-2-19 20800 San Mateo Jasper Ridge Biological Preserve, Stanford University. Chaparral near Goya Gate 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
  CAS-BOT-BC389711  Tragopogon porrifolius L. Sigal 1969-5-1 280 San Mateo Campus of San Mateo Comment
  RSA134113  Tragopogon porrifolius John H. Thomas 1958-10-28 7493 San Mateo Near intersection of Bayshore Hwy and Main St. Redwood City. Comment
  JROH3397  Trientalis latifolia John Hunter Thomas 1985-4-22 23542 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM131281  Trientalis latifolia C. F. Baker 1902-3-30 427 San Mateo Crystal Springs Lake Comment
  RSA116711  Trientalis latifolia W. R. Dudley 1903-5-1 s.n. San Mateo in Redwoods on road beyond near Petters and Pescadeno Creek Comment
  RSA79060  Trientalis latifolia E. K. Balls, Lee W. Lenz 1952-5-6 17097 San Mateo Old La Honda Road to Palo Alto, Ne from Hwy5. 305 Comment
  UCSC010361  Trifolium Dylan M. Neubauer 2016-5-19 690 San Mateo (SnFrB) Santa Cruz Mountains, headwaters of Waterman Creek, w of Hwy 9 423 Comment
  UC518035  Trifolium albopurpureum var. albopurpureum Lewis S. Rose 1933-5-17 33172 San Mateo Redwood City Comment
  UC631539  Trifolium albopurpureum var. albopurpureum A. A. Heller 1907-5-23 8554 San Mateo back of San Mateo (on Half Moon Bay Rd) Comment
  POM20401  Trifolium barbigerum A. D. E. Elmer 1903-04 4859 San Mateo Lake San Andreas Comment
  POM278010  Trifolium bifidum Lyman D. Benson 1935-5-5 6523 San Mateo Lake Searsville 152 Comment
  JROH2253  Trifolium bifidum var. decipiens John H. Thomas 1967-5-12 12879 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM20410  Trifolium ciliolatum A. D. E. Elmer 1903-05 4789 San Mateo Portola. Comment
  JROH2272  Trifolium depauperatum var. truncatum John H. Thomas 1973-4-14 16567 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2229  Trifolium dichotomum John H. Thomas 1957-4-16 6655 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent slopes Comment
  JEPS101282  Trifolium fucatum Dean W. Taylor 1991-5-20 11792 San Mateo coastal bluffs near south bank of Pescadero Creek at Highway 1 9 Comment
  JROH2287  Trifolium fucatum John H. Thomas 1958-5-10 7148 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSB7299  Trifolium fucatum Walker, Clifford 1954-4-20 San Mateo 50 yds. from ocean, 1 mi. S of Half Moon Bay Comment
  POM216312  Trifolium fucatum var. fucatum D. D. Keck 1933-5-11 2295 San Mateo Montara Light House and Radio Station. Comment
  UCSC005240  Trifolium fucatum var. fucatum Randall Morgan 1995-6-6 2723 San Mateo Pescadero State Beach, Highway 1 opposite Pescadero Road Comment
  UC1130043  Trifolium gracilentum N. K. Carlson 1935-6-29 99 San Mateo 1.5 mi se Pescadero Pt; Santa Cruz quad 91 Comment
  HSC82087  Trifolium hirtum Thomas W. Nelson, Jane P. Nelson 1980-5-3 5132 San Mateo Intersection of Hwy. 92 and Hwy. 280, W of San Mateo. Comment
  UCD111316  Trifolium macraei June McCaskill 1954-5-8 292 San Mateo Moss Beach. Comment
  JROH2338  Trifolium microcephalum John H. Thomas 1956-4-7 5607 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent slopes Comment
  RSA46809  Trifolium microcephalum Doris K. Kildale 1930-6-19 8009 San Mateo 1.5 miles north of La Honda. Comment
  SEINET12157236  Trifolium microdon Unknown 1932-1 9121 San Mateo Bluffs Half Moon Bay Comment
  JROH2340  Trifolium oliganthum John H. Thomas 1968-4-19 14306 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2346  Trifolium subterraneum John Hunter Thomas 1980-4-10 19873 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD78150  Trifolium tomentosum Robert E. Preston 2008-4-2 2602 San Mateo 1.1 mi SE of San Andreas Reservoir, at jct two dirt roads 107 Comment
  JROH2374  Trifolium variegatum John H. Thomas 1956-4-7 5605 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent slopes Comment
  JROH2389  Trifolium variegatum John Hunter Thomas 1991-5-2 25007 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC867032  Trifolium variegatum T. R. Abrams 1915-6-14 5564 San Mateo Kings Mtn Rd Comment
  SEINET12156854  Trifolium variegatum L. S. Rose 1937-1 37251 San Mateo Burlingame 91 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
  JROH2395  Trifolium willdenovii John H. Thomas 1958-5-10 7146 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2414  Trifolium willdenovii Carol Zabel 1989-4-19 13 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA120987  Trifolium willdenovii Helen M. Edwards 1917-03 s.n. San Mateo Crystal Springs Lake. Comment
  SJSU656  Trifolium willdenovii A. W. Jacobs 1941-4-20 San Mateo Jasper Ridge above Searsville L Comment
  SEINET10862681  Trifolium willdenovii Robert V. Bradshaw 1922-4-10 Bradshaw 2548 San Mateo Jasper Ridge Comment
  UC80455  Trifolium wormskioldii Katharine Brandegee June 1905 San Mateo Moss Beach Comment
  UCD165019  Triglochin scilloides Peter Rubtzoff 1975-5-21 7960 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  JROH4728  Trillium chloropetalum John H. Thomas 1976-4-2 18075 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
  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
  RSA15264  Trillium chloropetalum var. chloropetalum Carl B. Wolf 1927-2-27 228 San Mateo Near Pescadero, 1/2 mile inland. Comment
  CAS-BOT-BC521201  Trillium chloropetalum var. giganteum W. R. Dudley 1900-3-16 s.n. San Mateo Santa Cruz Peninsula: by trail north of Tripps Store, Woodside Comment
  POM193595  Trillium chloropetalum var. giganteum W. R. Dudley 1900-3-16 s.n. San Mateo By trail north of Tripps Stone, Woodside. Comment
  CAS-BOT-BC133432  Trillium ovatum W. R. Dudley 1893-4-1 s.n. San Mateo Bear Gulch [Canon] Canyon, near Woodside Comment
  CAS-BOT-BC133433  Trillium ovatum A. D. E. Elmer 1903-4-1 4752 San Mateo Portola Comment
  CAS-BOT-BC133448  Trillium ovatum L. R. Abrams 1898-3-5 s.n. San Mateo Kings Mt. Comment
  CDA39373  Trillium ovatum T. C. Fuller 1960-4-2 4081 San Mateo La Honda Rd., 1 mile north of La Honda. 0 Comment
  PASA493  Trillium ovatum San Mateo Kings Mt. Comment
  SBBG51419  Trillium ovatum J. Doty 1969-3-26 601 San Mateo St Hwy 34, 6 mi N of its jct with St Hwy 38 Comment
  SD39140  Trillium sessile Edith A. Purer 1933-4-18 3619 San Mateo No further locality information given on label on specimen sheet. Comment
  UC204180  Triphysaria eriantha subsp. rosea A. D. E. Elmer May, 1903 4670 San Mateo South San Francisco Comment
  UC27282  Triphysaria eriantha subsp. rosea W. L. Jepson 1891-4-4 San Mateo San Bruno Hills Comment
  CAS-BOT-BC238558  Triphysaria floribunda Alice Eastwood 1915-5-6 s.n. San Mateo Burlingame 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-BC238577  Triphysaria floribunda M. K. C. 1886-5-1 68 San Mateo Colma Comment
  JEPS47716  Triphysaria floribunda Walter Knight and Irja Knight 1965-4-24 1054 San Mateo eastern end San Bruno Mountain; Point San Bruno, eastern end of San Bruno Mountain Comment
  UC1012338  Triphysaria floribunda F. W. Pennell and D. D. Keck 1940-5-15 25426 San Mateo Route 101, 4 mi w Burlingame 152 Comment
  UC1303092  Triphysaria floribunda Roxana S. Ferris and I. L. Wiggins 1932-4-7 8038 A San Mateo hills above Colma Comment
  UC27202  Triphysaria floribunda J. Burtt Davy 1895-4-20 1028 San Mateo Millbrae Comment
  JROH4138  Triphysaria pusilla John H. Thomas 1971-4-10 15753 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS6923  Triphysaria versicolor subsp. versicolor Rimo Bacigalupi with G. Thomas Robbins 1954-6-18 4562 San Mateo immediately behind Point Ano Nuevo; behind Point Ano Nuevo Comment
  CAS-BOT-BC200077  Trisetum canescens Dean Wm. Taylor 1988-3-30 9476 San Mateo San Bruno Mountain, northern slope of southeast ridge of the mountain, near the ridgecrest 176 Comment
  JROH5466  Trisetum canescens John H. Thomas 1967-5-12 12869 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD93599  Trisetum canescens P. B. Kennedy 1916-4-1 s.n. San Mateo Daly City, Colma Canyon, S San Francisco. Comment
  JROH4737  Triteleia hyacinthina John H. Thomas 1967-6-1 12961 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC523095  Triteleia ixioides subsp. ixioides W. R. Dudley 1894-5-1 s.n. San Mateo Santa Cruz Peninsula, from Woodside to Crystal Springs Lake Comment
  IRVC9072  Triteleia ixioides subsp. ixioides P. W. Rundel 1963-7-7 1136 San Mateo San Francisco Bay drainage area; Summer Spring Road; woodside. Santa Cruz Mountains 152 Comment
  RSA18293  Triteleia ixioides subsp. ixioides Carl B. Wolf 1927-6-21 424 San Mateo East slope of Kings Mt. Comment
  SEINET10833773  Triteleia ixioides subsp. ixioides Ernest A. McGregor McGregor s.n. 1907 San Mateo Plants of the Santa Cruz Mountain Peninsula. Portola Valley. Comment
  JROH4749  Triteleia laxa John H. Thomas 1974-4-13 17147 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
  SD39088  Triteleia laxa Janet Turner 1933-4-18 3688 San Mateo Emerald Lake. Comment
  UC1133973  Triteleia laxa W. W. Akey 1935-5-25 26 San Mateo near Bolsa Point; Santa Cruz quad 30 Comment
  UCR101434  Triteleia laxa George K. Helmkamp, E. A. Helmkamp 1998-5-16 3752 San Mateo Portola Valley, Golden Hills Rd along Los Trancos Creek 107 Comment
  CAS-BOT-BC526788  Triteleia laxa Ned Cahill 1974-4-29 174 San Mateo Serpentine fields bordered by chaparral near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City. Comment
  JROH4745  Triteleia laxa John H. Thomas 1963-5-31 10156 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Westridge end of ridge in oak woodland Comment
  CAS-BOT-BC527392  Triteleia peduncularis Susan Sommers 1980-5-30 s.n. San Mateo Edgewood site, flat zone below hill with serpentine outcrops Comment
  RSA17882  Typha latifolia Carl B. Wolf 1927-6-10 s.n. San Mateo Searsville Lake. Comment
  CAS-BOT-BC213097  Ulex europaeus J. H. Thomas 1960-11-11 8924 San Mateo Along Skyline Drive about 0.2 mi. N. of Pulgas water temple. 91 Comment
  CDA19884  Ulex europaeus J. Beall 2002-6-7 PDR P 120147 San Mateo San Francisco Bay Area; Collins Ave, 300 yds W of El Camino Real, Colma. 0 Comment
  CDA20602  Ulex europaeus J. Beall 2005-10-27 PDR 1359199 San Mateo San Francisco Bay Area; 0.25 mi Nof Westline and Skyline, Daly City. 0 Comment
  CAS-BOT-BC91226  Umbellularia californica Elizabeth McClintock 1969-3-9 s.n. San Mateo San Bruno Mountains. In Gladys Canyon, south of Brisbane. Comment
  JROH137  Umbellularia californica John H. Thomas 1968-2-11 14143 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH141  Umbellularia californica John Hunter Thomas 1981-2-15 20216 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM177516  Umbellularia californica Harry A. Dutton 1900-2-18 s.n. San Mateo Woodside. Comment
  RSA15629  Umbellularia californica C. B. Wolf 1928-2-11 1471 San Mateo East base of Kings Mt. road. Comment
  CAS-BOT-BC91221  Umbellularia californica W. R. Dudley 1894-11-24 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Big Redwood, Ramsay's Place, Searsville. Comment
  SEINET12102550  Umbellularia californica G. A. McCallum 1933-1 s.n. San Mateo near San Francisquita Creek Comment
  JROH1292  Uropappus lindleyi John Hunter Thomas 1986-5-6 24013 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC382765  Uropappus lindleyi George Oberlander 1949-7-10 714 San Mateo San Francisco Watershed Reserve. Near Skyline Blvd. Comment
  CAS-BOT-BC403972  Urtica dioica subsp. gracilis John H. Thomas 1966-9-13 12393 San Mateo Montara Comment
  CAS-BOT-BC403973  Urtica dioica subsp. gracilis V. F. Hesse 1952-5-12 941 San Mateo Gazos Creek Canyon, about 4 miles from sea coast 45 Comment
  CAS-BOT-BC404023  Urtica dioica subsp. holosericea Mrs. E. C. Sutliffe 1933-7-12 s.n. San Mateo Alpine Creek Road, Skyline Blvd. to La Honda Comment
  RSA17952  Urtica dioica subsp. holosericea Carl B. Wolf 1927-6-13 s.n. San Mateo La Honda Grade. Comment
  CAS-BOT-BC199348  Vaccinium ovatum John Thomas Howell 1924-2-23 258 San Mateo King Mountain Comment
  CAS-BOT-BC199356  Vaccinium ovatum L. R. A. 1902-3-16 2281 San Mateo Kings Mountain Comment
  CAS-BOT-BC199359  Vaccinium ovatum L. R. A. 1902-3-16 2281 San Mateo King's [Kings] Mountain Comment
  CAS-BOT-BC199360  Vaccinium ovatum J. I. McMurphy 1906-5-20 79 San Mateo Kings Mt., Santa Cruz Mts. 457 Comment
  CAS-BOT-BC199367  Vaccinium ovatum Josephine D. Randall 1907-7-28 140 San Mateo Iversons near Pescadero Creek Comment
  RSA471170  Vaccinium ovatum L. H. Jones 1909-3-3 s.n. San Mateo Summit of King's Mountain, Stanford University. 732 Comment
Read comments
Sep 22 2011
  UC141803  Vaccinium ovatum C. F. Baker 1902-1-15 242 San Mateo w side Kings Mountain Comment
  UC571033  Vaccinium ovatum Herbert L. Mason 1927-4-23 3671 San Mateo La Honda Comment
  SEINET11972531  Vaccinium ovatum G. A. McCallum 1933-1 s.n. San Mateo near La Honda grade Comment
  JEPS100467  Vaccinium parvifolium Dean W. Taylor 1988-4-29 9586 San Mateo San Bruno Mountain, northern slope of mountain 0.3 miles N22d W of summit, 371 Comment
  SEINET3381842 Image available Velaea kelloggii Lewis S. Rose 1939-5-5 s.n. San Mateo San Mateo Canyon. 46 Comment
  JROH4258  Verbena lasiostachys var. lasiostachys John H. Thomas 1971-5-30 15975 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4268  Verbena lasiostachys var. lasiostachys John Hunter Thomas 1988-6-2 24506 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4277  Verbena lasiostachys var. scabrida John H. Thomas 1974-10-26 17626 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC306773  Verbena lasiostachys var. scabrida A. D. E. Elmer July, 1903 4950 San Mateo Crystal Springs Lake Comment
  UC112848  Veronica americana Katharine Brandegee July 1908 San Mateo near San Pedro Comment
  UC1618125  Veronica americana Donald G. Nelson 1940-7-7 697 San Mateo highway from Half Moon Bay to San Mateo (along Pilarcitos Creek); Pilarcitos Creek 76 Comment
  RSA187288  Veronica persica John H. Thomas 1964-4-11 10308 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles SW of Palo Alto. Comment
  SEINET5578159  Vicia americana H. S. Gentry 1931-1 11 San Mateo 1.5 miles W of San Mateo, Half-Moon Bay road. Comment
  POM278056  Vicia americana var. americana Lyman D. Benson 1935-5-5 6530 San Mateo Lake Searsville. 152 Comment
  RSA128477  Vicia americana var. americana Peter H. Raven 1950-4-30 1958 San Mateo Montara 15 Comment
  JROH2426  Vicia benghalensis John Hunter Thomas 1977-6-16 18797 -1 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD27838  Vicia cracca Carl B. Wolf 1929-5-27 3737 San Mateo Los Trancos Creek, back of Stanford University, roadsides Comment
  CHSC23153  Vicia gigantea Robert A. Schlising 1963-2-23 2435 San Mateo Coast Range. 21 miles north of Davenport, along Highway 1. Comment
  UCD108671  Vicia hassei P. B. Kennedy 1917-5-1 s.n. San Mateo Crystal Springs Road. Comment
  JROH2435  Vicia sativa subsp. nigra John H. Thomas 1975-4-19 17798 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2439  Vicia sativa subsp. nigra John Hunter Thomas 1982-5-18 20945 San Mateo Jasper Ridge Biological Preserve, Stanford University; along Searsville Lake near bridge Comment
  JROH2447  Vicia sativa subsp. sativa John Hunter Thomas 1981-4-30 20516 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD37861  Vicia semicincta Edith A. Purer 1932-7-18 4021 San Mateo Near Pigeon Point, roadside Comment
  CAS-BOT-BC264037  Viola adunca W. R. Dudley 1894-3-28 s.n. San Mateo Near Pebble Beach, Pescadero Comment
  JEPS50209  Viola adunca W. I. Follett 1934-2-18 2 San Mateo 9/10 mi s of Pigeon Point (along Said Highway) Comment
  POM135230  Viola glabella A. D. E. Elmer 1900-04 2263 San Mateo Kings Mtn. Comment
  RSA120705  Viola ocellata S. S. Tillett, I. Sternback 1956-6-24 527 San Mateo Middleton property, behind (N.) Portola Camp Store, just outside Portola State Park. 396 Comment
  POM286649  Viola sempervirens Lyman D. Benson 1935-3-10 6252 San Mateo La Honda Grade. Santa Cruz mtn range, Pacific Ocean watershed. 518 Comment
  UCSB21796  Viola sempervirens Masero, Ann 1967-3-21 San Mateo Butano Canyon, 3.7 miles east of junction of Cloverdale Road and Canyon Road on Canyon Road 131 Comment
  CAS-BOT-BC199855  Vulpia bromoides Catherine A. Toschi 1963-2-23 63 :24 San Mateo North slope San Bruno Mountains above Crocker Avenue 152 Comment
  CAS-BOT-BC210154  Vulpia bromoides Peter Rubtzoff 1977-6-7 9031 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC185774  Vulpia myuros subsp. megalura John H. Thomas 1967-5-2 12812 San Mateo San Bruno Mountain. About 1/4 mile up Market St. from new school in canyon Comment
  CAS-BOT-BC185868  Vulpia octoflora var. hirtella Roxana S. Ferris 1920-4-25 1958 San Mateo Near end of Butano Ridge 457 Comment
  JEPS122438  Wahlenbergia marginata Aaron Schusteff 2015-5-31 1 San Mateo San Bruno Mountain, 0.5 miles west of county