Search Results — 2000 specimen records retrieved (1323 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA0025758  Abronia latifolia E. A. Purer 1933-7-27 5381 San Mateo 2 miles south of Pigeon Point. Comment
  UC577087  Abronia umbellata Lewis S. Rose 1935-10-12 35654 San Mateo Salada 3 Comment
  JEPS30400  Acaena pinnatifida var. californica James B. Roof, Irja Knight 1963-4-24 San Mateo w. end of San Bruno Mt. (slopes above Colma Canyon, Daly City); Daly City, San Bruno Mt. 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
  UC729677  Acaena pinnatifida var. californica Carl B. Wolf 1929-5-25 3732 San Mateo Pebble Beach s. of Pescadero; Pebble Beach Comment
  CAS-BOT-BC451121  Acaena pinnatifida var. californica W. R. Dudley 1900-3-18 s.n. San Mateo Near head of San Andreas Reservoir; Santa Cruz Peninsula Comment
  RSA171123  Acaena pinnatifida var. californica Robert F. Thorne, Percy C. Everett 1963-6-9 32233 San Mateo On top of San Bruno Mountain on Kamchatka Point near the TV tower. 335 Comment
  UC55135  Acanthomintha duttonii Lewis S. Rose 1933-5-17 33171 San Mateo Redwood City Comment
  CAS-BOT-BC333292  Acer macrophyllum L. R. Abrams no date on label s.n. San Mateo La HOnda Comment
  CAS-BOT-BC333295  Acer macrophyllum Margaret A. Barry 1938-4-21 236 San Mateo Los Trancos Creek near Coal Mine Ridge Comment
  UCSB11438  Acer macrophyllum Olson, Jim 1962-4-15 San Mateo 1 mile east of Portola State Park on Portola State Park Road 243 Comment
  JROH171  Acer negundo John Hunter Thomas 1982-11-6 21217 San Mateo Jasper Ridge Biological Preserve, Stanford University. On causeway 106 Comment
  POM136914  Acer negundo subsp. californicum C. F. Baker 1902-5-15 472 San Mateo Crystal Springs Lake. 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
  CAS-BOT-BC21593  Achillea millefolium Javier Penalosa 1963-3-30 2750 San Mateo North of Randolph Drive at Hillside Blvd. in SSF 289 Comment
  CHSC39257  Achillea millefolium Thomas B. Croat 1966-6-20 1997 San Mateo I mile N of Montara, sandy banks along Pacific. Comment
  JROH448  Achillea millefolium John Hunter Thomas 1981-4-23 20489 San Mateo Jasper Ridge Biological Preserve, Stanford University 130 Comment
  CAS-BOT-BC21576  Achillea millefolium David D. Keck 1939-7-1 5011 San Mateo 3 mi. S. of Pescadero, 1 mile from the ocean 60 Comment
  CAS-BOT-BC28765  Achillea millefolium Elizabeth McClintock; Paul Reeberg 1998-5-31 s.n. San Mateo San Bruno Mountains, in a hydroseeded area east of Carter Street Comment
  RSA18454  Achillea millefolium var. arenicola Carl B. Wolf 1927-6-29 s.n. San Mateo Along coast south of Pebble Beach near Pescadero. Comment
  JROH468  Achyrachaena mollis John Hunter Thomas 1981-4-30 20514 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH471  Achyrachaena mollis John Hunter Thomas 1982-5-18 20939 San Mateo Jasper Ridge Biological Preserve, Stanford University; old racing oval Comment
  JROH476  Achyrachaena mollis John Hunter Thomas 1989-5-9 24712 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2075  Acmispon glaber var. glaber John Hunter Thomas 1983-6-29 22703 San Mateo Jasper Ridge Biological Preserve, Stanford University; top of Rattlesnake Rock 112 Comment
  JROH2109  Acmispon strigosus John H. Thomas 1961-4-29 9193 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CHSC894  Acmispon wrangelianus A. Koopman 1929-5-9 San Mateo Moss Beach. 7 Comment
  JROH2093  Acmispon wrangelianus John H. Thomas 1966-4-24 11578 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2103  Acmispon wrangelianus John Hunter Thomas 1980-4-10 19874 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET5537616  Aconitum columbianum H. S. Gentry 1931-1 76 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  UC1125857  Actaea rubra G. E. Sindel 1935-7-29 314 San Mateo El Corte de Madera Santa Cruz Quad., El Corte de Madera Comment
  UC1537327  Actaea rubra Gordon H. True Jr. 1936-4-5 390 San Mateo canyon between San Gregorio and Pescadero 152 Comment
  RSA18493  Actaea rubra subsp. arguta Carl B. Wolf 1927-7-14 627 San Mateo Summit of La Honda Grade Comment
  SEINET8382562  Adelinia grandis L. E. Detling 1933-3-30 1121 San Mateo Skyline Blvd; [State Highway 35]. Comment
  HSC23907  Adenocaulon bicolor Mary Katherine Wicksten 1971-6-22 89 San Mateo Huddart Park. Dean Trail below Werder Flat Comment
  CAS-BOT-BC139952  Adenostoma fasciculatum Fred Hemphill 1973-4-22 744 San Mateo San Carlos, area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC139955  Adenostoma fasciculatum John H. Thomas 1971-5-2 15864 San Mateo Near intersection of Canada and Edgewater {Edgewood] roads, about 4 miles SW of center of Redwood City 304 Comment
  CAS-BOT-BC389683  Adenostoma fasciculatum Mary Wicksten 1969-6-24 s.n. San Mateo Miwok area - Huddart Park Comment
  JROH3583  Adenostoma fasciculatum var. fasciculatum John H. Thomas 1969-5-28 15078 San Mateo Jasper Ridge Biological Preserve, Stanford University 136 Comment
  JROH92  Adiantum jordanii John Hunter Thomas 1981-4-5 20285 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek Comment
  CAS-BOT-BC65673  Adiantum jordanii Elizabeth McClintock 1963-2-16 s.n. San Mateo San Bruno Mountain Comment
  CAS-BOT-BC202667  Aesculus californica Walter Knight; Irja Knight; Elizabeth McClintock 1964-9-11 s.n. San Mateo San Bruno Mountain. Point San Bruno Comment
  RSA292572  Agoseris grandiflora Lyman Benson 1935-5-12 6553 San Mateo Menlo Park 30 Comment
  CAS-BOT-BC46171  Agoseris heterophylla Margaret A. Barry 1937-5-15 132 b San Mateo Coal Mine Ridge Comment
  JROH488  Agoseris heterophylla Duncan M. Porter 1960-5-5 677 San Mateo Jasper Ridge Biological Preserve, Stanford University; meadow near crest of N-facing slope above Webb Ranch. Quadrat H-5 Comment
  CAS-BOT-BC15250  Agoseris hirsuta A. D. E. Elmer 1903-4-1 4930 San Mateo Cemeteries Comment
  CAS-BOT-BC15244  Agoseris hirsuta W. R. Dudley 1893-7-1 s.n. San Mateo Stanford Campus Comment
  UCD51827  Agrostis avenacea Peter H. Raven 1950-6-3 2272 San Mateo on the stand of San Andreas Lake. 121 Comment
  UCR198062  Agrostis californica Beecher Crampton 1962-6-11 6489 San Mateo San Francisco Peninsula, northern city limits of Pacifica along Calif. Hwy 1, just southwest of its junction with Skyline Boulevard 61 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
  JROH4786  Agrostis exarata John Rawlings 2004-7-23 1042 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 12, south of first footbridge 124 Comment
  UC1100234  Agrostis exarata Malcolm A. Nobs, S. Galen Smith 1949-8-26 1612 San Mateo ca 1 mi s Pigeon Point Comment
  CAS-BOT-BC139462  Agrostis hallii Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo San Bruno Mountain. Below parking lot. 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
  CAS-BOT-BC138952  Agrostis pallens Phillip Wheeler 1965-6-8 s.n. San Mateo San Bruno Mountain. Quarry Road. Comment
  JROH4792  Agrostis pallens John Rawlings 2010-6-23 1104 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along fenceline 150 yards downhill from Escobar Gate. 157 Comment
  SEINET7594107 Image available Agrostis pallens Henry E. Meser 1932-1 s. n. San Mateo Black Mountain Road, Hillborough Hills near Burlingame Comment
  UCD53588  Agrostis stolonifera Malcolm A. Nobs; S. Galen Smith 1949-8-25 1550 San Mateo Sharp Park. Comment
  JROH4831  Aira caryophyllea John Hunter Thomas 1985-5-22 23681 San Mateo Jasper Ridge Biological Preserve, Stanford University 91 Comment
  JROH4835  Aira caryophyllea John Hunter Thomas 1989-5-11 24739 San Mateo Jasper Ridge Biological Preserve, Stanford University 167 Comment
  RSA195578  Aira caryophyllea John H. Thomas 1966-4-22 11570 San Mateo Jasper Ridge Biological Experimental Area. About 5 miles SW of Palo Alto. Comment
  RSA320915  Aira caryophyllea Robert A. Norris 1984-3-21 4652 San Mateo Blue Blossom Hill, San Bruno Mts. 357 Comment
  UC1108514  Aira caryophyllea H. L. Mason 1921-5-29 San Mateo roadside near Arroyo de los Frijoles Comment
  RSA310964  Allium dichlamydeum Robert F. Thorne, Percy C. Everett 1963-6-9 32236 San Mateo On top of San Bruno Mountain. 335 Comment
  JROH4552  Allium falcifolium John Hunter Thomas 1981-4-23 20473 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM169881  Allium falcifolium A. D. E. Elmer 1903-06 4831 San Mateo Crystal Springs Lake. Comment
  RSA40253  Allium falcifolium L. S. Rose 1948-5-16 48111 San Mateo Emerald Lake, west of Redwood City. 152 Comment
  UC843252  Allium falcifolium Lewis S. Rose 1935-4-16 35095 San Mateo w Redwood City; Emerald Lake Comment
  CAS-BOT-BC472790  Allium neapolitanum J. Ed. McClellan; Bonnie McClellan 1972-4-1 4 San Mateo Bernal Ave, Burlingame Comment
  CAS-BOT-BC132026  Allium peninsulare var. franciscanum D. E. Breedlove 1963-5-13 4942 San Mateo On the SE corner of the junction of Crystal Springs Road and Polhemus Road, W of San Mateo Comment
  CAS-BOT-BC132034  Allium peninsulare var. franciscanum A. D. E. Elmer 1903-6-1 4595 San Mateo San Mateo Comment
  CAS-BOT-BC474301  Allium unifolium Philip C. Wheeler 1965-5-18 s.n. San Mateo Upper Colma Canyon near creek Comment
  RSA177007  Alnus rhombifolia John H. Thomas 1964-11-29 10539 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles SW of Palo Alto; along San Francisquito Creek below dam. Comment
  SJSU7593  Amaranthus deflexus C. A. Staicer 1976-9-26 San Mateo 91 Atherton Lane, Atherton Comment
  UCD97767  Amaranthus retroflexus John Thomas Howell 1978-7-18 53187 San Mateo McClellan residence, 1356 Bernal Ave., Burlingame. Comment
  CAS-BOT-BC44923  Ambrosia chamissonis Volney Rattan 1879-1-1 s.n. San Mateo Mouth Redwood Creek Comment
  UCSC007715  Ambrosia chamissonis Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC136834  Amelanchier utahensis A. D. E. Elmer 1903-5-1 4659 San Mateo [Slates] Slate Creek (Pescadero) Comment
  SD41374  Ammophila arenaria Edith A. Purer 1932-7-18 4023 San Mateo Near Pigeon Point, sandy area. Comment
  JROH1338  Amsinckia intermedia John H. Thomas 1973-3-12 16499 San Mateo Jasper Ridge Biological Preserve, Stanford University; above lake Comment
  POM287420  Amsinckia intermedia Lyman Benson 1935-4-27 6422 San Mateo La Honda Road, Santa Cruz Mts, east of Skyline Blvd., San Francisco Bay watershed. 457 Comment
  JROH1350  Amsinckia menziesii John Hunter Thomas 1987-4-4 24169 San Mateo Jasper Ridge Biological Preserve, Stanford University; below Searsville Dam Comment
  UC1084383  Amsinckia tessellata var. gloriosa G. Thomas Robbins 1937-4-11 77 San Mateo above Colma (along Skyline Blvd, s of San Francisco) Comment
  JEPS127880  Anagallis arvensis Adam C. Schneider 2013-5-17 134 San Mateo Crystal Springs Reservoir Comment
  CAS-BOT-BC45183  Anaphalis margaritacea Elizabeth McClintock 1965-3-28 s.n. San Mateo San Bruno Mountain, on slope at flower garden adjacent to April Brook. Comment
  UCD128852  Anaphalis margaritacea J. M Tucker 1951-8-6 2220 San Mateo M. R. Mattei Ranch, ca. 1.5 miles northeast of Pescadero. Comment
  UCSC004914  Anaphalis margaritacea Monica Larenas 1985-6-1 18 San Mateo Hwy 92, near summit Comment
  CAS-BOT-BC391923  Anemone grayi Mrs. H. M. Mitchell 1932-3-31 s.n. San Mateo Skyline Boulevard Comment
  JROH188  Angelica tomentosa John Hunter Thomas 1985-5-22 23676 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC24049  Anisocarpus madioides Mary Katherine Wicksten 1971-6-16 36 San Mateo Bank at Huddart Park, by Werder Flat Comment
  JROH508  Anthemis cotula John Hunter Thomas 1982-7-2 21053 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing Comment
  CAS-BOT-BC102291  Anthemis cotula George Oberlander 1954-5-21 154 San Mateo Upper San Mateo Creek Comment
  CAS-BOT-BC280637  Anthoxanthum occidentale C. F. B. 1902-1-15 247 San Mateo West side King's Mountain Comment
  CAS-BOT-BC280643  Anthoxanthum occidentale W. R. Dudley 1903-5-2 s.n. San Mateo Santa Cruz Mountain Peninsula. Moore's Place, Pescadero Creek Comment
  CAS-BOT-BC280652  Anthoxanthum occidentale William R. Dudley 1894-3-24 s.n. San Mateo Near bridge, La Honda Cr. Comment
  JROH199  Anthriscus caucalis John H. Thomas 1974-5-3 17242 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3606  Aphanes occidentalis John Hunter Thomas 1981-4-5 20269 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  UC555316  Aphanes occidentalis Herbert L. Mason 1927-4-23 3688 San Mateo Summit of road between La Honda and Pescadero Creek Comment
  RSA131269  Apocynum pumilum var. rhomboideum H. L. Mason 1931-7-14 s.n. San Mateo Pescadero Creek, La Honda Road. Comment
  CAS-BOT-BC405900  Aquilegia formosa Ira L. Wiggins 1925-4-1 1652 San Mateo Kings Mountain Road three fourths of a mile above Woodside in the old cut over redwood (Sequoia sempervirens) belt. Comment
  POM150408  Aquilegia formosa var. truncata C. F. Baker 1902-3-30 422 San Mateo Crystal Springs Lake 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
  CAS-BOT-BC17339  Arabis blepharophylla L. Constance; R. Bacigalupi; C. R. Bell 1951-3-25 3369 San Mateo Southeast side of Colma Canyon. 60 Comment
  JEPS90201  Arabis blepharophylla Dean W. Taylor 1988-3-16 9407 A San Mateo Santa Cruz Mountains, summit of San Bruno Mountain, along fire road 120 m e from summit parking lot San Bruno Mountain; Santa Cruz Mountains, San Bruno Mountain 371 Comment
  POM132206  Arbutus menziesii A. D. E. Elmer 1903-05 4515 San Mateo Searsville Lake Comment
  CAS-BOT-BC24163  Arctostaphylos John H. Thomas 1967-2-9 12403 San Mateo Montara Mountain in Northern part of county. Between Pacifica and Montara. Comment
  CAS-BOT-BC24128  Arctostaphylos andersonii J. H. Thomas 1954-2-13 3686 San Mateo Along Skyline Highway between Kings Mt. Road and La. Honda Road. 609 Comment
  SEINET11977844  Arctostaphylos andersonii L. S. Rose 1934-1 34026 San Mateo Skyline Blvd, 4 mi S Kings Mountain Comment
  SEINET11988250  Arctostaphylos andersonii Unknown 1959-1 323 San Mateo 1.2 mi from junction of CA 5 on Kings Mt. Road Comment
  SEINET11989210  Arctostaphylos andersonii E. McClintock, Knight, W.; Knight, I. 1982-1 4632 San Mateo San Pedro County Park, near Pacifica Comment
  SEINET11987130  Arctostaphylos andersonii var. imbricata W. Knight, Knight, I. 1980-1 3828 San Mateo Tilden Botanic Garden, Berkeley, originally from windswept San Bruno Mountain 305 Comment
  CAS-BOT-BC23501  Arctostaphylos crustacea Brandegee 1889-4-1 8 San Mateo Redwood City Comment
  JROH1934  Arctostaphylos crustacea subsp. crustacea John H. Thomas 1974-4-25 17208 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville end of ridge Comment
  JROH1937  Arctostaphylos crustacea subsp. crustacea John Rawlings 2008-1-30 0930 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near ridgetop north of Trail b (start uphill from trail b at first serpentine contact). 162 Comment
  JROH1942  Arctostaphylos crustacea subsp. crustacea John Hunter Thomas 1983-7-20 22893 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA681640  Arctostaphylos edmundsii Annuschka Deb 1989-4-20 125 San Mateo Woodside. Comment
  SEINET11987278  Arctostaphylos glandulosa W. Knight, Knight, I.; McClintock, E.; Sigg, J. 1981-1 4038 San Mateo Strybing Arboretum in San Francisco, originally from Buckeye Canyon, San Bruno Mountain Comment
  SEINET11988210  Arctostaphylos glandulosa W. Knight, Raiche, R. 1982-1 4421 San Mateo San Bruno Mountain, Buckeye Canyon on Oak Ridge 104 Comment
  CAS-BOT-BC24734  Arctostaphylos glandulosa subsp. glandulosa Walter Knight; Roger Raiche 1982-1-23 4420 San Mateo San Bruno Mtn. Buckeye Canyon on Oak Ridge. 102 Comment
  OBI14661  Arctostaphylos imbricata Robert F. Hoover 1964-4-24 8742 San Mateo San Bruno Mt Comment
  UCD51760  Arctostaphylos montaraensis Walter Knight; Irja Knight and Elizabeth McClintock Date Unknown 4447 San Mateo Pacifica; San Pedro County Park; about 1/2 dozen plants 1/4 mi. east of parking lot. Comment
  UCD51770  Arctostaphylos montaraensis Roman Gankin; W. R. Hildreth 1966-5-17 738 San Mateo Southeast-facing slope of Montara Mountain. Comment
  CAS-BOT-BC38525  Arctostaphylos montaraensis Walter Knight; Irja Knight; James B. Roof; Gregory Whipple; Al Senenes 1969-9-22 2790 San Mateo 1 mi. w. of Scarper peak jct. enroute Montara Mt. on San Francisco Water Dept. property. 304 Comment
  JEPS88612  Arctostaphylos montaraensis unknown May 1961 San Mateo Pacific Ridge Comment
Read comments
Jan 23 2011
  CAS-BOT-BC44708  Arctostaphylos regismontana Walter Knight; Irja Knight 1964-9-14 831 San Mateo On Peak Mt. - Western sector 304 Comment
  POM367226  Arctostaphylos regismontana E. C. Sutliffe 1934-2-2 s.n. 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
  RSA636749  Arctostaphylos regismontana Jon E. Keeley, Melanie Baer Keeley 1993-9-8 24635 San Mateo NW side of Montara Mtn. 150 Comment
  UC1120830  Arctostaphylos regismontana A. E. Wieslander and Beryl O. Schreiber 1940-3-5 3 San Mateo road from roadside King's Mt.; Santa Cruz Quadrangle 274 Comment
  UC1120837  Arctostaphylos regismontana A. E. Wieslander and B. O. Schreiber 1940-3-5 8 San Mateo road from Woodside to King's Mt.; Santa Cruz Quadrangle 487 Comment
  JEPS101965  Arctostaphylos tomentosa subsp. crustacea Dean W. Taylor 1997-2-12 15906 San Mateo Kings Peak Road; Santa Cruz Mountains, Kings Mtn., on road to archery area under high-voltage, steel-tower eletrical transmission line 533 Comment
  JEPS48596  Arctostaphylos tomentosa subsp. crustacea James G. Daly 1934-1 571 San Mateo San Gregorio watershed Santa Cruz Mts. (sw San Mateo Co.) Comment
  POM131770  Arctostaphylos tomentosa subsp. crustacea C. F. Baker 1902-5-10 817 San Mateo Kings Mountain. Comment
  RSA381043  Arctostaphylos tomentosa subsp. crustacea Roman Gankin 1959-2-22 322 San Mateo 2.8 miles from junction state hwy 5 on King's Mt. Road. Comment
  RSA636839  Arctostaphylos tomentosa subsp. crustacea Jon E. Keeley, Melanie Baer-Keeley 1993-9-8 24649 San Mateo NW side of Montara Mtn. 150 Comment
  RSA81913  Arctostaphylos tomentosa subsp. crustacea E. K. Balls, Percy C. Everett, B. K. Balls 1953-10-16 18680 San Mateo Hwy 5, 30.8 mi. s.e. of San Francisco - San Mateo Co. line. 762 Comment
  UC762228  Arctostaphylos tomentosa subsp. crustacea R. F. Hoover 1941-2-12 4763 San Mateo nw Saratoga Summit Comment
  UC82985  Arctostaphylos tomentosa subsp. crustacea C. F. Baker 1902-3-18 327 San Mateo King's Mountain Comment
  POM285159  Arctostaphylos tomentosa subsp. tomentosiformis Lyman Benson 1928-12-15 834 San Mateo La Honda 457 Comment
  CAS-BOT-BC46828  Arctostaphylos uva-ursi Mrs. Campbell; Mrs. Miere s.n. San Mateo San Bruno hills Comment
  CAS-BOT-BC46829  Arctostaphylos uva-ursi Peter H. Raven 1951-3-12 2743 San Mateo Summit ridge San Bruno Mts. Comment
  CAS-BOT-BC46836  Arctostaphylos uva-ursi Walter Knight; Irja Knight 1965-2-28 864 San Mateo San Bruno Mt. Up Cable Ravine off Radis Road. Comment
  CAS-BOT-BC46837  Arctostaphylos uva-ursi Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mt. Few hundred yards up Cable Ravine Comment
  JEPS26637  Arctostaphylos uva-ursi J. Roof and D. L. Harmon 1961-4-7 San Mateo spur that lies directly n summit; San Bruno Mountain 365 Comment
  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
  CDA19857  Arctotheca calendula R. Eaton 2002-5-8 PDR 1236792 San Mateo San Francisco Bay Area; Bean Hollow Rd. 0 Comment
  CAS-BOT-BC47706  Armeria maritima subsp. californica J. H. Thomas 1963-8-4 10237 San Mateo Just north of Pigeon Point Light House Comment
  CAS-BOT-BC47707  Armeria maritima subsp. californica W. R. Dudley 1896-4-18 s.n. San Mateo Pebble Beach Pasture, Pescadero 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
  CHSC1225  Armeria maritima var. californica J. Baynes 1929-5-23 San Mateo Half Moon Bay. Comment
  CAS-BOT-BC82516  Arnica discoidea W. R. Dudley 1894-5-1 s.n. San Mateo Woodside to Crystal Springs Reservoir Comment
  CAS-BOT-BC82517  Arnica discoidea W. R. Dudley 1895-9-15 s.n. San Mateo El Corte Madera Lumber Camp Comment
  CDA29889  Arrhenatherum elatius J. Eide 2009-7-2 PDR# 1481186 San Mateo Santa Cruz Mountains; San Bruno Mountain, in the vicinity of San Bruno. 0 Comment
  SEINET3145785  Artemisia heterophylla L. S. Rose 1938-8-18 38232 San Mateo San Mateo 30 Comment
  CAS-BOT-BC389674  Arthrocnemum subterminale Maryann Danielson 1969-8-11 s.n. San Mateo South of Coyote Point Comment
  UCD137830  Asarum caudatum R. E. Dengler 1960-4-13 32 San Mateo Purissima Creek Canyon. 251 Comment
  JROH429  Asclepias fascicularis John H. Thomas 1973-6-10 16826 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET219238  Asclepias fascicularis Cynthia Taylor 1971-6-8 153 San Mateo Corner of Watkins Avenue and Railroad tracks, Atherton. 17 Comment
  POM87776  Aster radulinus L. R. Abrams 1902-9-28 3004 San Mateo New Grade Road- Portola Comment
  UC33536  Astragalus asymmetricus E. R. Drew 1888-4-12 San Mateo San Pedro Ranch Comment
  UC136769  Astragalus douglasii var. douglasii C. F. Baker 1903-6-30 3358 San Mateo Pillar Point Comment
  CAS-BOT-BC186763  Astragalus gambelianus Ned Cahill 1974-4-18 114 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JEPS21679  Astragalus gambelianus W. R. Dudley 1894-4-21 San Mateo below Crystal Springs Dam (Santa Cruz Peninsula); , below Crystal Springs Dam Comment
  JROH1988  Astragalus gambelianus John H. Thomas 1961-4-4 9044 E San Mateo Jasper Ridge Biological Preserve, Stanford University; near Westridge end of ridge Comment
  SEINET948336  Astragalus gambelianus Lois E. James 1947-1 1757 San Mateo Hills back of Redwood city. Comment
  UC903409  Astragalus gambelianus Lois E. James 1947-4-11 1758 San Mateo hills back Redwood City; hills back of Redwood City Comment
  POM16234  Astragalus nuttallii C. F. Baker 1902-10-1 1736 San Mateo Pillar Point. Comment
  CAS-BOT-BC177969  Astragalus nuttallii var. virgatus W. R. Dudley 1896-4-17 s.n. San Mateo Pasture near Pebble Beach, Pescadero - Santa Cruz Peninsula Comment
  SD12561  Astragalus nuttallii var. virgatus Edith A. Purer 1933-8-25 5514 San Mateo Skyline Drive. Comment
  UCD35773  Astragalus nuttallii var. virgatus Beecher Crampton 1962-6-11 6495 San Mateo Pacifica, north city limits, along State Hwy. 1 just southwest of its junction with Skyline Blvd. Comment
  CAS-BOT-BC177968  Astragalus nuttallii var. virgatus W. R. Dudley 1909-10-4 s.n. San Mateo Hills above Mussel Rock - Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC177970  Astragalus nuttallii var. virgatus A. A. Heller 1906-6-8 8385 San Mateo Near Ocean View, San Francisco, on the Lake Merced side of the Ocean Shore tracks in soil. Comment
  SEINET10775830  Astragalus pycnostachyus Charles F. Baker 1902-10-1 Baker 1744 San Mateo Pillar Point. Comment
  BLMAR756  Astragalus pycnostachyus var. pycnostachyus Clara Sander 2005-7-5 756 San Mateo San Gregorio, Coastal bluff 25 Comment
  CAS-BOT-BC193094  Astragalus pycnostachyus var. pycnostachyus J. H. Thomas 1958-8-1 7372 San Mateo Just north of mouth of San Gregorio Creek 30 Comment
  CAS-BOT-BC193097  Astragalus pycnostachyus var. pycnostachyus J. W. Congdon 1897-8-11 s.n. San Mateo San Gregorio Comment
  CAS-BOT-BC17586  Athysanus pusillus Margaret A. Barry 1937-5-1 44 San Mateo Coal Mine Ridge. Comment
  CAS-BOT-BC17587  Athysanus pusillus Peter H. Raven 1951-2-18 2734 San Mateo Summit Ridge San Bruno Mountains. Comment
  CAS-BOT-BC172666  Atriplex lentiformis C. D. Duncan 1922-9-1 s.n. San Mateo Boncill Estate, Atherton Comment
  RSA478328  Atriplex leucophylla E. A. Purer 1933-7-27 5349 San Mateo Pigeon Point. Comment
  SEINET5779123 Image available Atriplex leucophylla L. S. Rose 1941-9-27 41460 San Mateo Princeton Comment
  UC205348  Atriplex leucophylla Katharine Brandegee 1913-8-11 San Mateo Tobin Comment
  POM263676  Atriplex leucophylla L. S. Rose 1941-9-27 41460 San Mateo Princeton. 1 Comment
  SEINET4136305  Atriplex prostrata Howard C. Stutz 1995-10-3 9833 San Mateo Half Moon Bay.; 0 Comment
  JEPS128391  Avena barbata Adam C. Schneider 2013-5-17 147 San Mateo Crystal Springs Reservoir. 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
  CAS-BOT-BC98695  Baccharis douglasii Josephine D. Randall 1907-7-23 57 San Mateo Near Crystal Springs Lake - Santa Cruz Peninsula Comment
  CAS-BOT-BC98700  Baccharis douglasii John Thomas Howell 1926-10-9 2217 San Mateo Near Lake San Andreas Comment
  POM216547  Baccharis douglasii D. D. Keck 1931-9-27 1271 San Mateo Dumbarton bridge Comment
  CAS-BOT-BC99506  Baccharis pilularis Walter Knight; Irja Knight; Elizabeth McClintock 1964-9-11 s.n. San Mateo Point San Bruno, San Bruno Mountain Comment
  CAS-BOT-BC99507  Baccharis pilularis Walter Knight; Irja Knight; Elizabeth McClintock 1963-9-2 s.n. San Mateo Radio Road, San Bruno Mountains Comment
  CAS-BOT-BC99521  Baccharis pilularis Ned Cahill 1974-10-8 376 San Mateo near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  RSA1947  Baccharis pilularis C. B. Wolf 1930-11-5 1063 San Mateo 4 mi. S of Pescadero. 8 Comment
  SD30702  Baccharis pilularis Edith A. Purer 1932-7-18 4022 San Mateo Near Pigeon Point Comment
  RSA93165  Baccharis pilularis F. W. Peirson 1925-9-13 6425 San Mateo Rockaway beach. Comment
  JROH552  Baccharis pilularis subsp. consanguinea John H. Thomas 1978-9-24 19336 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC16631  Barbarea orthoceras Elizabeth McClintock 1965-3-28 s.n. San Mateo San Bruno Mountain. Between April Brook and Radio Road. Comment
  CAS-BOT-BC166953  Barbarea orthoceras Peter Rubtzoff 1975-5-21 7961 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  SD113122  Barbarea orthoceras Darley F. Howe 1967-4-14 4476 San Mateo San Francisco Game Reserve near San Bruno. Comment
  UCR279901  Barbarea orthoceras var. dolichocarpa Peter Rubtzoff 1975-5-21 7962 San Mateo Central Coast, San Bruno Mountains, 'saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road Junction 220 Comment
  UCD97579  Bassia hyssopifolia Malcolm A. Nobs; S. Galen Smith 1949-8-27 1617 San Mateo E of Redwood City. Comment
  JROH3915  Bellardia trixago John H. Thomas 1974-5-19 17382 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low flow crossing Comment
  UC1559199  Bellardia trixago Michelle T. Seidl 1989-3-13 MTS 2516 b San Mateo just above, n side Linda Mar Beach and Highway 1 (along Roberts Road, Pacifica); Pacifica Comment
  UCR141422  Bellardia trixago June Latting 1975-6-8 s.n. San Mateo San Francisco Bay Region, Skyline Drive at Crystal Springs Reservoir 122 Comment
  CAS-BOT-BC100196  Bellis perennis Ray H. Yarris 1951-5-20 65 San Mateo Kings Mountain 91 Comment
  SJSU946  Berberis darwinii W. M. Bybee 1948-2-20 San Mateo grounds of residence, Burlingame Comment
  CAS-BOT-BC75663  Berberis nervosa Paul Arnaud 1941-6-5 s.n. San Mateo Redwood City, Woodrow Street. Comment
  CAS-BOT-BC75872  Berberis pinnata Alice Eastwood 1913-2-22 s.n. San Mateo San Bruno Hills. Comment
  CAS-BOT-BC75883  Berberis pinnata Elizabeth McClintock; Arthur Menzies 1963-2-16 s.n. San Mateo San Bruno Mountain. Near top of mountain, not far from radio station. Comment
  UC1327250  Berberis pinnata John T. Doyen 1966-3-28 33 San Mateo near Radio Towers at top of San Bruno Mountains Radio Towers; San Bruno Mountains Comment
  JROH1320  Berberis pinnata subsp. pinnata H. B. Hannibal 1910-10-10 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Sandstone Cave Comment
  RSA465627  Boisduvalia densiflora var. densiflora L. S. Rose 1942-8-11 42228 San Mateo Hills east of Sharps Park 91 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
  JROH4422  Bolboschoenus maritimus subsp. paludosus Toni Corelli 2009-8-12 296 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Searsville Lake, dry lake bed in mud. 103 Comment
  CAS-BOT-BC95346  Bowlesia incana C. F. Baker 1902-4-12 510 San Mateo La Honda Comment
  CAS-BOT-BC95347  Bowlesia incana C. F. Baker 1902-4-12 510 San Mateo La Honda Comment
  CDA36480  Brachypodium sylvaticum Ellen Gartside 2011-7-14 s.n. San Mateo Woodside; Old La Honda Rd. Comment
  JROH4866  Brachypodium sylvaticum John Rawlings 2007-10-1 1025 San Mateo Jasper Ridge Biological Preserve, Stanford University. In middle of road inside Preserve Fence along Sand Hill Road south of caretaker's house. 107 Comment
  UCR162537  Brachypodium sylvaticum John Beall 2003-12-4 s.n. San Mateo Santa Cruz Mtns., Woodside, on Hwy 84 at Grandview Dr., about 1 mile from Skyline Road summit 427 Comment
  CAS-BOT-BC30268  Brassica nigra R. Bacigalupi 1946-7-6 2794 San Mateo Near junction of Belmont-Las Pulgas roads, close to Crystal Springs Lake. Comment
  RSA15631  Brassica oleracea C. B. Wolf 1927-6-15 1468 San Mateo Along Skyline Drive, 8 mi. S of San Francisco. Comment
  CAS-BOT-BC36793  Brassica rapa John H. Thomas 1971-10-27 16027 San Mateo Near intersection of Alpine Road and Interstate Highway 280, behind the Stanford Campus. Comment
  JROH1466  Brassica rapa John Hunter Thomas 1978-5-23 19221 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD114806  Brassica rapa W. A. Harvey; J. M. Tucker 1948-6-28 1699 San Mateo ca. 3 miles north of Pescadero. Comment
  JROH4876  Briza maxima John Hunter Thomas 1990-5-29 24861 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near picnic area Comment
  UCD57153  Briza maxima Anonymous 1991-5-27 24 San Mateo Along Lake Merced, in Daly City. Comment
  CAS-BOT-BC145341  Briza minor Walter Knight; Irja Knight 1965-4-24 1027 San Mateo San Bruno Mountain. Point San Bruno. Comment
  CDA1781  Briza minor A. A. Beetle 1941-4-2 1738 San Mateo Near San Carlos Comment
  SEINET4183120 Image available Briza minor A. A. Beetle 1941-4-20 1738 San Mateo Near San Carlos. Comment
  UC37548  Briza minor J. Burtt Davy 1895-4-20 1033 San Mateo Lake San Andreas Comment
  SEINET10868322  Briza minor Alan A. Beetle 1941-4-20 Beetle 1738 San Mateo Near San Carlos, rich heavy loam, in open field. Comment
  CAS-BOT-BC144137  Bromus John H. Thomas 1965-4-29 10619 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  CAS-BOT-BC148763  Bromus carinatus var. marginatus V. F. Hesse 1964-5-26 3209 San Mateo Near (south of) Pigeon Point. 15 Comment
  CAS-BOT-BC156173  Bromus catharticus John H. Thomas 1961-8-27 9697 San Mateo Colma. Near intersection of El Camino Real and F Street. 45 Comment
  CDA31079  Bromus catharticus Robin Breckenridge, K. Filippini 2010-2-17 PDR# 1463753 San Mateo Pescadero: Bean Hollow Road (across from Bay Flower Company). 0 Comment
  OBI22364  Bromus catharticus var. elatus Lewis S. Rose 1963-4-27 630025 San Mateo Skyline Blvd, W of San Mateo 91 Comment
  SJSU15316  Bromus commutatus John Rawlings 2014-5-28 1242 San Mateo In the vicinity of the Edgewood Preserve's West Kiosk (intersection of Edgewood and Serpentine Loop trails). 184 Comment
Read comments
Feb 18 2015
  JROH4912  Bromus diandrus John Rawlings 2013-3-23 1130 San Mateo Jasper Ridge Biological Preserve, Stanford University. Where the brick path ends at the visitor parking lot from the Sun Field Station. 120 Comment
  RSA475252  Bromus diandrus Lyman Benson 1935-5-5 6520 San Mateo Lake Searsville; Santa Cruz Mt. Range. S. F. Bay watershed 152 Comment
  CAS-BOT-BC155137  Bromus hordeaceus Ned Cahill 1974-4-29 175 San Mateo Near the intersection of Canada and Edgewood Roads, about 3 miles westward from Redwood City. Comment
  CAS-BOT-BC162407  Bromus laevipes A. A. Heller 1907-5-23 8566 San Mateo Back of San Mateo on the Half Moon Bay road. Comment
  JROH4934  Bromus laevipes John H. Thomas 1973-6-10 16816 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4937  Bromus laevipes W. Lennihan 1990-4-20 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Eastern draw, 40 yards down. Comment
  JROH4942  Bromus madritensis subsp. madritensis John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM264990  Bromus marginatus I. L. Wiggins 1929-5-10 3672 San Mateo Pigeon Point Comment
  SJSU15908  Bromus maritimus John Rawlings, Sara Timby, Toni Corelli 2016-4-23 1733 San Mateo Bean Hollow bluff trail, west of Hwy 1 south of Pescadero 8 Comment
  SEINET3923660  Bromus mollis K. Harper 1984-4-25 84 -6 San Mateo Along crest of Jasper Ridge, Research Preserve, Stanford University.; 0 Comment
  SEINET10933427  Bromus rigidus Delzie Demaree 1932-5-12 Demaree 9128 San Mateo Stanford Farm. Dry situations. Comment
  CAS-BOT-BC161754  Bromus rubens Walter Knight; Irja Knight 1965-5-15 s.n. San Mateo San Bruno Mountain. Pig Ranch Ravine. Comment
  JROH4962  Bromus sterilis John Rawlings 2013-4-9 1149 San Mateo Jasper Ridge Biological Preserve, Stanford University. Verge of Rd L near Ranger Bath. 107 Comment
  JEPS26847  Bromus vulgaris Rimo Bacigalupi with J. H. Thomas and L. Heckard 1961-5-23 7710 San Mateo 1/4 mi w of crossing with Skyline Boulevard (along Alpine Road); Alpine Road 685 Comment
  UC1195194  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 R.R. tracks Redwood City (near Maple St.) 7 Comment
  POM144327  Cakile edentula C. F. Baker 1902-10-1 1746 San Mateo Pillar Point. Comment
  CAS-BOT-BC36872  Cakile edentula var. edentula W. R. Dudley 1897-10-10 s.n. San Mateo Near Pilar Point. Comment
  UC765080  Cakile maritima R. F. Hoover 1941-2-12 4753 San Mateo Half Moon Bay Comment
  CAS-BOT-BC36950  Cakile maritima var. maritima John H. Thomas 1963-5-20 10117 San Mateo Ano Nuevo Island about one half mile off shore and about 20 mile northwest of Santa Cruz. Comment
  CAS-BOT-BC36959  Cakile maritima var. maritima Elsie Zeile 1946-7-1 s.n. San Mateo Montara. Comment
  JROH4972  Calamagrostis koelerioides John H. Thomas 1962-7-15 9913 San Mateo Jasper Ridge Biological Preserve, Stanford University. Oak woodland near northern end of ridge Comment
  JEPS121454  Calandrinia ciliata Adam C. Schneider with C. Matt Guilliams 2013-2-2 190 San Mateo Crystal Springs Reservoir, between power transmission lines and Interstate 280. Comment
  SD38112  Calandrinia ciliata Marie Cummings 1933-5-3 69 San Mateo Woodside Comment
  CDA31267  Calendula arvensis J. Eide 2010-2-19 PDR# 1527850 San Mateo East Palo Alto: in residential garden. 0 Comment
  UCD123519  Callitriche trochlearis W. R. Dudley 1904-4-23 s.n. San Mateo Santa Cruz Mountain Peninsula; Crow foot pond on Alpine Road, opposite the Fitzpatrick Place. Comment
  JROH4604  Calochortus albus John H. Thomas 1976-5-26 18152 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4607  Calochortus albus John H. Thomas 1977-4-21 18539 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC492204  Calochortus albus Josephine D. Randall 1907-6-8 219 San Mateo Redwood Grove in Portola Valley Comment
  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-BC492210  Calochortus albus Elmer I. Applegate 1895-4-8 727 a San Mateo San Francisquito Creek, near and above Stanford University Comment
  CAS-BOT-BC492216  Calochortus albus Eric Walther 1920-5-9 s.n. San Mateo Woodside Comment
  CAS-BOT-BC492218  Calochortus albus David D. Keck 1932-5-13 1778 San Mateo Along Woodsideon La Honda road, east slope of Santa Cruz Mtns. Comment
  CAS-BOT-BC492219  Calochortus albus Daniel Cohen 1953-6-3 105 San Mateo Los Trancos Woods. Comment
  CAS-BOT-BC492221  Calochortus albus Paul Arnaud 1941-4-19 s.n. San Mateo Redwood City - Hills - near Hesler farm entrance Comment
  JROH4622  Calochortus argillosus John H. Thomas 1974-6-30 17458 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4616  Calochortus argillosus John H. Thomas 1960-6-8 8781 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC389720  Calochortus luteus M. K. Wicksten 1970-6-16 39 San Mateo San Mateo Comment
  CAS-BOT-BC491984  Calochortus luteus Henry J. Thompson 1951-6-10 1501 San Mateo Westridge Hills, just west of Los Trancos Creek, 5 miles west of Palo Alto 121 Comment
  CAS-BOT-BC491987  Calochortus luteus F. H. Lamb 1895-6-14 s.n. San Mateo Along the San Francisquito Creek near St. Michaels' church Comment
  POM196563  Calochortus luteus W. R. Dudley 1894-5-18 s.n. San Mateo Santa Cruz Peninsula: From Woodside to Crystal Springs Lake Comment
  SD27832  Calochortus maweanus Carl B. Wolf 1929-5-22 3722 San Mateo Santa Cruz Mountains, near base of La Honda Grade. 182 Comment
  CHSC59836  Calochortus tolmiei Jan M. Karaz 1979-5-27 69 San Mateo 2.5 m north on Kings Mountain Road at the entrance to Huddart Park. 10 Comment
  UC1134540 Image available Calochortus venustus N. Carlson 1935-6-20 74 San Mateo at Head (or ridge) of Oil and Slate Creek Santa Cruz Quad. 670 Comment
  JROH555  Calycadenia multiglandulosa James I. McMurphy 1909-6-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH562  Calycadenia multiglandulosa John H. Thomas 1967-11-5 14128 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH565  Calycadenia multiglandulosa D. E. Breedlove 1971-5-31 19387 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  CAS-BOT-BC224662  Calystegia purpurata subsp. purpurata Fred Hemphill 1973-5-6 764 San Mateo San Carlos. North of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC224665  Calystegia purpurata subsp. purpurata Theo. C. Zschokke 1903-7-10 s.n. San Mateo Goat Ranch Road, Corte de [Corte] Madera Creek Comment
  JROH1846  Calystegia subacaulis subsp. subacaulis John H. Thomas 1968-4-19 14300 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET7040214  Camissonia brevipes A. G. Vestal 1962-3-26 s.n. San Mateo Laguna Salada. San Francisco South Quadrangle UTM Zone 10, 545384mE, 4164305mN. Comment
  SEINET5542144  Camissonia ovata H. S. Gentry 1931-1 33 San Mateo Collected 2 miles W of San Bruno. Comment
  CHSC22126  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Robert A. Schlising; Glenn Keator 1962-2-3 2042 San Mateo Coast Ranges. Sand dunes along Hwy 1, 3.9 mi N of jct with Bonnie Doon Road. Comment
Read comments
Sep 4 2011
  SD38643  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Edith A. Purer 1934-8-14 5388 San Mateo 2.0 miles south of Pigeon Point. Comment
  RSA18502  Campanula prenanthoides C. B. Wolf 1927-7-14 618 San Mateo Summit of Kings Mountain Rd. Comment
  SEINET10463048  Campanula prenanthoides David D. Keck 1934-7-7 Keck 2929 San Mateo Kings Mountain, west of summit 610 Comment
  JROH1476  Capsella bursa-pastoris John Hunter Thomas 1983-4-5 21324 San Mateo Jasper Ridge Biological Preserve, Stanford University; low-flow crossing Comment
  CAS-BOT-BC37164  Capsella bursa-pastoris D. D. Davis 1903-4-1 s.n. San Mateo Near Dennis Martin Place. Comment
  CAS-BOT-BC37666  Cardamine californica L. R. Abrams 1914-3-1 5059 San Mateo Kings Mountain Road. Comment
  CAS-BOT-BC37667  Cardamine californica LeRoy Abrams 1902-3-16 2274 San Mateo Kings Mountain Road. Comment
  CAS-BOT-BC37673  Cardamine californica John H. Thomas 1958-2-15 6982 San Mateo Jasper Ridge, about 5 miles southwest of Palo Alto. 182 Comment
  CAS-BOT-BC37682  Cardamine californica C. F. Baker 1902-4-12 501 San Mateo La Honda. Comment
  JROH5678  Cardamine hirsuta John Rawlings 2015-3-3 1313 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 8 125 Comment
  CAS-BOT-BC37986  Cardamine oligosperma John H. Thomas 1963-5-20 10119 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles northwest of Santa Cruz. Comment
  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-BC37992  Cardamine oligosperma Margaret A. Barry 1937-5-15 107 San Mateo Coal Mine Ridge. Comment
  JROH1498  Cardamine oligosperma John Hunter Thomas 1983-4-5 21322 San Mateo Jasper Ridge Biological Preserve, Stanford University; low-flow crossing Comment
  JROH1504  Cardamine oligosperma John Hunter Thomas 1991-4-11 24982 San Mateo Jasper Ridge Biological Preserve, Stanford University; near bridge Comment
  RSA101040  Cardamine oligosperma G. Oberlander 1949-4-30 123 San Mateo Pilarcitos Canyon. San Francisco Watershed Reserve. Comment
  JROH579  Carduus pycnocephalus subsp. pycnocephalus John Hunter Thomas 1980-5-8 19952 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA6896  Carduus tenuiflorus D. G. Kelch, B. G. Baldwin 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  CDA6894  Carduus tenuiflorus Agricultural Commissioner May 1955 San Mateo San Mateo. 0 Comment
  NY25686  Carex amplifolia L. S. Rose 1933-6-23 33250 San Mateo Kings Mountain Comment
  CAS-BOT-BC17852  Carex amplifolia George Oberlander 1950-5-21 958 San Mateo San Francisco Watershed Reserve. Pilarcitos Canyon. Comment
  SEINET7549670 Image available Carex amplifolia Lewis S. Rose 1933-6-23 33250 San Mateo Kings Mountain. Comment
  UC822664  Carex amplifolia H. A. Borthwick 1920-5-18 157 San Mateo Sierra Morena Santa Cruz Mountain Peninsula, Sierra Morena Comment
  JROH4313  Carex barbarae John H. Thomas 1974-5-3 17240 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC19321  Carex barbarae W. R. Dudley 1909-4-27 s.n. San Mateo The Santa Cruz Mountain Peninsula. Ponds by roadside near Crystal Spring Lake. Comment
  CAS-BOT-BC34075  Carex brevicaulis Alice Eastwood; John Thomas Howell 1938-6-26 6051 San Mateo Montara Mountain. Above Point San Pedro. Comment
  CAS-BOT-BC18932  Carex densa Lewis S. Rose 1937-4-30 57243 San Mateo Brisbane Bayshore. 6 Comment
  SEINET3128102  Carex densa Unknown 1902-5-11 2444 San Mateo Crystal S? Comment
  UCD140267  Carex densa Alice Eastwood; John Thomas Howell 1937-5-7 4327 San Mateo Visatacion Valley. Comment
  SEINET3128116  Carex dudleyi L. S. Rose 1939-4-14 39064 San Mateo South San Francisco 15 Comment
  JROH4338  Carex globosa John Hunter Thomas 1983-4-5 21317 San Mateo Jasper Ridge Biological Preserve, Stanford University. Grassy draw along path to redwood area. Comment
  JROH4349  Carex harfordii John Rawlings 2009-5-13 1055 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
  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
  CAS-BOT-BC21808  Carex harfordii Elizabeth McClintock; Paul Reeberg 1989-5-2 s.n. San Mateo Lower Owl Canyon. 45 Comment
  CAS-BOT-BC21809  Carex harfordii Elizabeth McClintock; Paul Reeberg 1988-4-14 s.n. San Mateo Bayshore Blvd. Comment
  RSA788837  Carex obnupta Peter Rubtzoff 1978-3-18 9173 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  UCD164097  Carex obnupta Peter Rubtzoff 1978-5-18 9173 San Mateo San Bruno Mountains.'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  SJSU15817  Carex serratodens John Rawlings, Ken Hickman 2016-7-21 1902 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
  UC618444  Carex subbracteata John Thomas Howell 1938-5-1 13783 San Mateo near South San Francisco Comment
  UCR279903  Carex subbracteata Peter Rubtzoff 1975-5-21 7975 San Mateo Central Coast, San Bruno Mountains, 'saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road Junction 220 Comment
  RSA364769  Carex subbracteata L. S. Rose 1939-4-14 39063 San Mateo South San Francisco. 15 Comment
  SEINET7577065 Image available Carex subbracteata John Thomas Howell 1938-5-1 13778 San Mateo Near South San Francisco. Comment
  CAS-BOT-BC116822  Carex subbracteata var. subbracteata Alice Eastwood; John Thomas Howell; J. W. Stacey 1938-4-24 5256 San Mateo Pescadero Comment
  CAS-BOT-BC116825  Carex subbracteata var. subbracteata George Thomas Oberlander 1950-4-22 633 San Mateo Marsh, Pilarcitos Canyon Comment
  CAS-BOT-BC230110  Carpobrotus chilensis Elsie Zeile 1909-8-23 s.n. San Mateo Granada Comment
  CDA19951  Carthamus lanatus A. King 2002-7-19 PDR P 120164 San Mateo San Francisco Bay Area; 1906 Pomponio Creek Rd. 0 Comment
  SEINET12027448  Castanopsis chrysophylla Unknown 1932-1 9240 San Mateo Kings Mtn Comment
  POM87996  Castilleja affinis L. R. Abrams 1902-5-20 2475 San Mateo Kings Mountain Comment
  OBI59410  Castilleja affinis Rimo Bacigalupi, J. R. Sweeney, Cliff Fenneman and George Bacigalupi, Jr 1954-8-3 4733 San Mateo Extreme NW San Mateo County. Hgts above Thornton Beach close to State Hwy 1 55 Comment
  RSA516625  Castilleja affinis R. C. Bacigalupi, J. R. Sweeney, G. Bacigalupi, Cliff Fenneman 1954-8-3 4733 San Mateo Heights above Thornton Beach close to State Highway No. 1. 55 Comment
  SD38139  Castilleja affinis Delzie Demaree 1932-4-9 3615 San Mateo Woods, Gov. Rolf Estate Comment
  JEPS34320  Castilleja affinis subsp. affinis L. R. Heckard, and Rimo Bacigalupi 1963-7-2 1326 San Mateo Thornton Beach State Park 30 Comment
  JEPS88802  Castilleja affinis subsp. affinis T. I. and F. M. Chuang 1991-7-3 7861 San Mateo 1 mi s Linda Mar (on Highway 1) Comment
  JROH3936  Castilleja affinis subsp. affinis Roger von Preissig 1954-4-23 26 b San Mateo Jasper Ridge Biological Preserve, Stanford University 152 Comment
  JROH3941  Castilleja affinis subsp. affinis John H. Thomas 1969-6-4 15109 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3945  Castilleja affinis subsp. affinis John Hunter Thomas 1978-4-20 19091 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU910  Castilleja ambigua J. W. Tilden 1946-7-15 1004 San Mateo Pescadero Comment
  LA209419  Castilleja ambigua David D. Keck; 1932-4-29 1453 San Mateo Burlingame-San Mateo city limits Comment
  POM21102  Castilleja ambigua subsp. ambigua Alice Eastwood 1912-6-2 208 San Mateo Granada. Comment
  UC886508  Castilleja ambigua subsp. ambigua Alice Eastwood 1912-6-2 208 San Mateo Granada 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
  JROH3961  Castilleja attenuata John Hunter Thomas 1978-4-20 19093 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3971  Castilleja attenuata Carol Zabel 1989-4-19 9 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3975  Castilleja densiflora subsp. densiflora John H. Thomas 1957-4-16 6659 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent slopes Comment
  JROH3980  Castilleja densiflora subsp. densiflora John Hunter Thomas 1978-4-25 19149 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1012339  Castilleja exserta F. W. Pennell and D. D. Keck 1940-5-15 25418 San Mateo e of upper Crystal Springs Lake (sw of San Mateo); Crystal Springs Lake 60 Comment
  JEPS19713  Castilleja exserta subsp. latifolia Peter H. Raven 1957-6-24 10970 San Mateo Pebble Beach Comment
  POM176909  Castilleja foliolosa L. R. Abrams 1904-4-1 10 San Mateo Near Crystal Springs Lake, Santa Cruz Mts. Comment
  RSA400609  Castilleja foliolosa Paul C. Silva 1948-1-31 s.n. San Mateo Old La Honda Grade, 1 mile south of Skyline Blvd. 457 Comment
  SD38143  Castilleja foliolosa Delzie Demaree 1932-4-9 8973 San Mateo Dry hillsides. Gov. Rolf Estate Comment
  SEINET12288673  Castilleja foliolosa McCallum 1933-1 s.n. San Mateo in Los Trancus Woods Comment
  RSA218033  Castilleja franciscana Elizabeth McClintock, Phillip Wheeler 1967-5-14 s.n. San Mateo East side of mountain, above Harold Ave., Brisbane. Above Philip Wheeler's house. Comment
  RSA297192  Castilleja franciscana R. C. Bacigalupi, G. Thomas Robbins 1954-6-18 4554 San Mateo At the summit of the divide between La Honda Creek and Pescadero Creek, on the road from La Honda and San Mateo County Memorial Redwood Park. 305 Comment
  SEINET10744868 Image available Castilleja franciscana Francis W. Pennell 1940-5-15 Pennell 25420 San Mateo Dark adobe clay (roadbank). E. of upper Crystal Springs Lake, s.w. of San Mateo. 61 Comment
  JEPS103889  Castilleja latifolia T. I. Chuang and F. M. Chuang 1991-6-29 7852 San Mateo Just south of Pescadero State Beach, on highway 1 Comment
  UCR139352  Castilleja lithospermoides David D. Keck 1932-5-6 1493 San Mateo San Francisco Bay Region, east side of Crystal Springs Lake 60 Comment
  JROH3993  Castilleja rubicundula subsp. lithospermoides John H. Thomas 1958-5-10 7147 San Mateo Jasper Ridge Biological Preserve, Stanford University; on the top of ridge Comment
  SBBG32465  Castilleja rubicundula subsp. lithospermoides L. S. Rose 1966-5-8 66034 San Mateo Emerald Lake, W of Redwood City 91 Comment
  SD37771  Castilleja rubicundula subsp. lithospermoides Edith A. Purer 1933-5-25 3652 San Mateo Spring Valley Lakes Comment
  JEPS47422  Castilleja subinclusa subsp. franciscana L. R. Heckard 1964-7-15 1420 San Mateo 0.4 mi above Tunitas Road junction with the Lobitos Creek cut-off road (along Tunitas Road, about 4.5 mi from State Hwy 1) Comment
  JEPS19720  Castilleja wightii Peter H. Raven 1957-6-24 10964 San Mateo just s Linda Mar Comment
  JEPS47428  Castilleja wightii L. R. Heckard 1964-7-26 1426 San Mateo 0.4 mi up Lobitos Creek road from Verde Road on old highway (Lobitos Creek road, above Lobitos Creek valley) Comment
  JEPS85726  Castilleja wightii L. R. Heckard 1964-6-24 1393 San Mateo San Bruno Mt.; slope below (n of) transmitting stations 304 Comment
  UC1618077  Castilleja wightii Donald G. Nelson 1939-6-14 624 San Mateo 3 mi s San Francisco Co. line (Skyline Blvd, due e of Mussel Rock on the coast) Comment
  UC198264  Castilleja wightii Katharine Brandegee 1917-7-22 San Mateo Mussel Rock Station, Ocean Shore Railroad Comment
  UCR71440  Castilleja wightii L. R. Heckard, Rimo Bacigalupi 1963-7-2 1332 San Mateo Along old county road over San Pedro and Montara Mtns; N flank of San Pedro Mt. 244 Comment
  JEPS103882  Castilleja wightii T. I. Chuang and F. M. Chuang 1991-7-1 7847 San Mateo ca. 7 miles South of halfmoon Bay. Comment
  JEPS6867  Castilleja wightii Rimo Bacigalupi with G. Thomas Robbins 1954-6-18 4548 San Mateo e side Sierra Morena (new La Honda grade) 591 Comment
  JEPS88840  Castilleja wightii T. I. and F. M. Chuang 1991-7-1 7849 San Mateo ca 7 mi s Halfmoon Bay Comment
  RSA516565  Castilleja wightii R. C. Bacigalupi, G. Thomas Robbins 1954-6-18 4564 San Mateo Along State Highway No. 1, 0.25 mile north of its junction with the old road (grade) over the hill to Swanton. Just above the seashore. 0 Comment
  SJSU11476  Castilleja wightii S. H. Casey 1969-5-18 250 San Mateo San Bruno Mt below Fern Rock Comment
  UCD123037  Castilleja wightii Lewis S. Rose 1965-4-22 65026 San Mateo San Bruno Mountain, south of parking lot. 365 Comment
  CAS-BOT-BC39378  Caulanthus lasiophyllus John H. Thomas 1961-5-7 9315 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  CAS-BOT-BC39379  Caulanthus lasiophyllus L. R. Abrams 1917-4-12 6434 San Mateo Near Crystal Springs Lake. Comment
  CAS-BOT-BC39381  Caulanthus lasiophyllus Reed Clark Rollins 1942-4-30 3005 San Mateo Southeast slope of the San Bruno Hills, about 1 mile west of Brisbane. Comment
  CAS-BOT-BC40399  Caulanthus lasiophyllus Ned Cahill 1974-4-29 198 San Mateo Near the intersection of Canada and Edgewood roads, about 3 miles westward from Redwood City. Comment
  JROH1522  Caulanthus lasiophyllus John H. Thomas 1961-4-4 9044 F San Mateo Jasper Ridge Biological Preserve, Stanford University; serpentine area near Westridge end of ridge Comment
  UCD114587  Caulanthus lasiophyllus Ronald E. Dengler 1960-4-3 3 San Mateo Jasper Ridge, Stanford Biological Reserve. 190 Comment
  CAS-BOT-BC48308  Ceanothus cuneatus Lewis S. Rose 1964-3-23 64011 San Mateo Emerald Lake, w. of Redwood City 121 Comment
  CAS-BOT-BC48309  Ceanothus cuneatus J. H. Thomas 1949-4-1 208 San Mateo west of Redwood City Comment
  LA41998  Ceanothus cuneatus Lewis S. Rose; 1932-2-27 3246 San Mateo Belmont Comment
  CAS-BOT-BC48395  Ceanothus cuneatus var. cuneatus A. D. E. Elmer 1903-3-1 4578 San Mateo Portola Comment
  JROH3517  Ceanothus cuneatus var. cuneatus Le Roy Abrams 1898-3-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3521  Ceanothus cuneatus var. cuneatus Duncan M. Porter 1961-2-8 741 San Mateo Jasper Ridge Biological Preserve, Stanford University. N slope of ridge below picnic area near crest at N end of ridge Comment
  JROH3525  Ceanothus cuneatus var. cuneatus John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC51596  Ceanothus oliganthus var. sorediatus H. A. Borthwick 1920-4-21 74 San Mateo Strawberry Bend, Corte Madera Cr. Comment
  CAS-BOT-BC51597  Ceanothus oliganthus var. sorediatus Helen M. Edwards 1917-4-1 s.n. San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC51601  Ceanothus oliganthus var. sorediatus W. R. Dudley 1894-4-27 s.n. San Mateo Summit Springs, Kings Mt. Comment
  JROH3532  Ceanothus oliganthus var. sorediatus John H. Thomas 1978-4-8 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC51238  Ceanothus papillosus George Oberlander 1950-3-18 522 San Mateo San Francisco Watershed Reserve, south boundary Comment
  RSA130954  Ceanothus papillosus Josephine Randall 1907-6-29 s.n. San Mateo Santa Cruz Peninsula, King's Mountain Road. Comment
  CAS-BOT-BC52284  Ceanothus thyrsiflorus L. R. A. 1901-4-20 1549 San Mateo King's Mountain Comment
  CAS-BOT-BC52301  Ceanothus thyrsiflorus A. D. E. Elmer 1903-6-1 4603 San Mateo Lake San Andreas Comment
  POM267961  Ceanothus thyrsiflorus Jens Clausen 1941-7-1 1873 San Mateo Summit of Montara Mtn 274 Comment
  RSA398961  Ceanothus thyrsiflorus Glenn A. Gorelick 1967-4-28 s.n. San Mateo San Bruno Mts, overlooking Daly City ner San Francisco Comment
  SJSU5728  Ceanothus thyrsiflorus L. S. Rose 1963-4-27 63004 San Mateo La Honda 121 Comment
  RSA122365  Ceanothus thyrsiflorus N. K. Carlson 1935-7-5 60 San Mateo 3 miles S of Bellvale. 91 Comment
  SD37640  Ceanothus thyrsiflorus var. griseus Edith A. Purer 1933-5-5 3601 San Mateo Alpine Road Comment
  UCSB3904  Ceanothus thyrsiflorus var. griseus Walker, Clifford 1954-4-20 San Mateo Woodside Rd. 1 mi. E. Woodside 3 Comment
  JROH594  Centaurea calcitrapa John Hunter Thomas 1989-5-9 24702 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH597  Centaurea calcitrapa John Hunter Thomas 1992-7-24 25388 San Mateo Jasper Ridge Biological Preserve, Stanford University; near boat ramp Comment
  UC463564  Centaurea calcitrapa L. R. Abrams and I. L. Wiggins 1930-11-13 174 San Mateo above Crystal Springs Lake Comment
  JROH602  Centaurea melitensis John Hunter Thomas 1989-5-9 24723 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC277071  Centaurea melitensis Elizabeth McClintock; Paul Reeberg 1988-7-13 s.n. San Mateo San Bruno Mountains. Near the southwest corner of Guadalupe Valley 76 Comment
  RSA101008  Centaurea melitensis G. Oberlander 1950-5-6 895 San Mateo Near San Anreas Lake, San Francisco Watershed Reserv Comment
  JROH605  Centaurea solstitialis John Hunter Thomas 1977-6-16 18765 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA133075  Centaurium davyi John H. Thomas 1954-6-11 4276 San Mateo 0.8 mile north of Pescadero Creek. 30 Comment
  SEINET7096716  Centaurium davyi A. G. Vestal 1963-7-12 s.n. San Mateo Jasper Ridge. NAD27, 37? deg. 24' 29ao, -122?_ 13' 33ao (converted to WGS84 decimal degrees) UTM Zone 10, 568517mE, 4140222mN. Comment
  CHSC56085  Centaurium tenuiflorum Jan M. Karaz 1979-5-27 60 San Mateo 3 mi east of Hwy 280 intersection with Woodside Road, 1.2 mi east of Woodside on Mountain Home Road. 7 Comment
  UC89050  Centromadia pungens subsp. pungens K. Brandegee 1901-9-1 San Mateo South San Francisco Comment
  OBI16134  Centromadia pungens subsp. pungens Lewis S. Rose 1965-9-20 65106 San Mateo Blurlingame, Trousdale Dr. & Calif dr. 9 Comment
  CAS-BOT-BC384962  Cerastium arvense A. A. Heller 1907-4-20 8446 San Mateo Near Lake Merced Comment
  UC1084416  Cerastium glomeratum G. Thomas Robbins 1937-4-11 101 San Mateo near Spring Valley Lakes along rd. to Woodside Comment
  JROH148  Ceratophyllum demersum John H. Thomas 1974-6-30 17464 A San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  JROH3617  Cercocarpus betuloides var. betuloides L. R. Abrams 1916-3-25 5573 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3621  Cercocarpus betuloides var. betuloides John H. Thomas 1961-6-14 9541 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3625  Cercocarpus betuloides var. betuloides D. E. Breedlove 1971-5-31 19374 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  RSA176411  Chenopodium ambrosioides var. ambrosioides John H. Thomas 1964-10-2 10514 a San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Edge of Searsville Lake near Bridge. Comment
  CHSC57077  Chenopodium californicum Steven Triano 1988-5-24 212 San Mateo Located ca 750 ft s of Hwy. 1 and 2.9 mi s of Pigeon Point Light Station. 24 Comment
  UC463309  Chenopodium chenopodioides L. R. Abrams and I. L. Wiggins 1930-11-13 178 San Mateo Salada Beach; margin of pond Comment
  RSA10407  Chenopodium murale C. B. Wolf 1927-6-15 2167 San Mateo Along Skyline Drive, 8 mi. S of San Francisco. Comment
  JROH4646  Chlorogalum pomeridianum var. pomeridianum John H. Thomas 1973-6-10 16821 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4652  Chlorogalum pomeridianum var. pomeridianum John Hunter Thomas 1983-6-29 22706 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  UC202786  Chorizanthe cuspidata var. cuspidata A. D. E. Elmer May, 1903 4793 San Mateo San Pedro Comment
  RSA54048  Chrysanthemum leucanthemum J. T. Howell 1949-7-4 25356 San Mateo Skyline Blvd., north of Millbrae Comment
  UCR122974  Chrysanthemum maximum George K. Helmkamp, E. A. Helmkamp 2001-6-2 6763 San Mateo Central Coast, Pillar Point Harbor, about 4 miles north of Half Moon Bay 6 Comment
  RSA18289  Chrysolepis chrysophylla Carl B. Wolf 1927-6-21 428 San Mateo East slope of Kings Mt. Comment
  JEPS78658  Chrysolepis chrysophylla var. minor Edward Lee 1936-1-26 1742 San Mateo between Purisima Creek and Tunitas Creek (near summit) 609 Comment
  UC5444  Chrysolepis chrysophylla var. minor J. Burtt Davy Jun 21 1893-Jun 23 1893 1127 San Mateo Pilarcitos Lake and Pilarcitos Canyon; Pilarcitos Lake, Pilarcitos Canyon Comment
  JROH2587  Cicendia quadrangularis John H. Thomas 1974-4-4 17086 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2584  Cicendia quadrangularis John H. Thomas 1966-4-6 11554 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU8865  Cicendia quadrangularis S. H. Casey 1979-5-10 San Mateo Wunderlich Park c. 2 mi S of Woodside Comment
  CAS-BOT-BC285236  Cichorium intybus J. H. Thomas 1954-5-28 4229 San Mateo Redwood City. Near intersection of Bayshore and Main St. Comment
  SJSU2899  Cirsium fontinale var. fontinale G. E. Pilz 1965-7-12 114 San Mateo E side Crystal Springs Reservoir in outer S Coast Ranges 121 Comment
  UC1416530  Cirsium fontinale var. fontinale George E. Pilz 1971-5-9 616 San Mateo e side of Crystal Springs Reservoir, Interstate 280 has cut through the colony Crystal Springs Reservoir 121 Comment
  UC91574  Cirsium fontinale var. fontinale Alice Eastwood 1897-6-1 San Mateo Crystal Springs Comment
  UCD130570  Cirsium fontinale var. fontinale T. C. Fuller 1960-6-23 4541 San Mateo east shore of Upper Crystal Springs Lake, 0.7 mile south of road across lake. Comment
  CAS-BOT-BC285672  Cirsium occidentale var. occidentale A. A. Heller 1906-6-8 8379 San Mateo Near Ocean View, San Francisco, on the Lake Merced side of the Ocean Shore tracks Comment
  JROH629  Cirsium occidentale var. occidentale John H. Thomas 1974-6-30 17466 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC280136  Cirsium occidentale var. venustum John Thomas Howell 1939-6-16 14747 San Mateo Kings Mt. Comment
  RSA101025  Cirsium occidentale var. venustum G. Oberlander 1949-6-25 251 San Mateo E of Sawyer Ridge, San Francisco Watershed Reserve 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
  UC1211948  Cirsium vulgare Otto T. Solbrig 1958-8-3 2920 San Mateo near road Highway 5; Crystal Spring Lake 30 Comment
  CAS-BOT-BC285859  Cirsium vulgare Ira L. Wiggins 1977-7-23 22189 San Mateo Northerly side of San Francisquito Creek stream bed, ca 150 m upstream from Pope Street bridge, Menlo Park Comment
  HSC24013  Cirsium vulgare Mary Katherine Wicksten 1971-6-30 142 San Mateo Huddart Park, by horse ring Comment
  SEINET11834687  Cirsium vulgare E. H. Graham 1931-1 6927 San Mateo Ano Nuevo Pt., S of San Francisco Comment
  JROH3040  Clarkia John Hunter Thomas 1986-6-7 24080 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC59099  Clarkia cylindrica Clark L. Miller 1978-6-15 265 San Mateo 6 mi. S of Half Moon Bay, off Hwy. 1, on Verde Rd. 61 Comment
  RSA41290  Clarkia epilobioides Robert F. Hoover 1941-4-23 4904 San Mateo Redwood City hills Comment
  CAS-BOT-BC163967  Clarkia purpurea subsp. quadrivulnera W. R. Dudley 1894-7-30 s.n. San Mateo Near La Honda Comment
  CAS-BOT-BC163964  Clarkia purpurea subsp. quadrivulnera W. R. Dudley 1894-5-1 s.n. San Mateo Road from Woodside to Crystal Spr. Reservoir Comment
  CAS-BOT-BC163974  Clarkia purpurea subsp. quadrivulnera W. R. Dudley 1903-5-31 s.n. San Mateo Alpine Road, Black Mt., Santa Cruz Range Comment
  CAS-BOT-BC163977  Clarkia purpurea subsp. quadrivulnera W. R. Dudley 1894-7-7 s.n. San Mateo Summit of Bear Gulch Comment
  CAS-BOT-BC164564  Clarkia purpurea subsp. viminea Ned Cahill 1974-4-29 208 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC164567  Clarkia purpurea subsp. viminea Cherie Wetzel 1969-6-20 879 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  JROH3008  Clarkia purpurea subsp. viminea Duncan M. Porter 1960-5-26 702 San Mateo Jasper Ridge Biological Preserve, Stanford University; N part of ridge, above Searsville Lake Comment
  SFV16946  Clarkia purpurea subsp. viminea J. N. Hogue 1980-9-1 81 .1 San Mateo Santa Cruz Mountains Near La Honda. Comment
  SEINET12189254  Clarkia quadrivulnera Unknown 1932-1 9166 San Mateo Los Trenios Woods Comment
  CAS-BOT-BC165173  Clarkia rubicunda W. R. Dudley 1902-9-21 s.n. San Mateo Near Crystal Springs Reservoir Comment
  JEPS127875  Clarkia rubicunda Adam C. Schneider with C. Matt Guilliams 2013-5-17 186 San Mateo Crystal Springs Reservoir. Under large transmission tower. Comment
  JROH3023  Clarkia rubicunda John Hunter Thomas 1977-6-7 18730 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3029  Clarkia rubicunda John Hunter Thomas 1982-7-8 21080 San Mateo Jasper Ridge Biological Preserve, Stanford University; west end of dam Comment
  CAS-BOT-BC165163  Clarkia rubicunda Peter H. Raven 1957-6-30 11012 San Mateo Near bridge over Tunitas Creek along state Highway 1 Comment
  RSA18290  Clarkia rubicunda Carl B. Wolf 1927-6-21 427 San Mateo East slope of Kings Mt. Comment
  RSA458855  Clarkia rubicunda E. S. Spalding 1924-8-3 s.n. San Mateo 3 miles west of Redwood City Comment
  SEINET12189237  Clarkia rubicunda Unknown 1932-1 9247 San Mateo near Pescadero Comment
  CAS-BOT-BC165606  Clarkia unguiculata A. D. E. Elmer 1903-6-1 4293 San Mateo Alpine School House Comment
  CAS-BOT-BC165600  Clarkia unguiculata Josephine D. Randall 1907-6-5 258 San Mateo Los Trancos Road near 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
  UC7902  Claytonia parviflora subsp. parviflora J. Burtt Davy 1893-6-17 793 San Mateo Belmont Comment
Read comments
Sep 4 2011
  CAS-BOT-BC439592  Claytonia parviflora subsp. parviflora W. R. Dudley 1896-4-17 s.n. San Mateo Pescadero Creek Comment
  CAS-BOT-BC439595  Claytonia parviflora subsp. parviflora E. McClintock; Phillip Wheeler 1965-5-23 s.n. San Mateo San Bruno Mountain. Slope below Nike station. Comment
  JEPS127812  Claytonia perfoliata subsp. perfoliata Adam C. Schneider with C. Matt Guilliams 2013-4-7 76 San Mateo Comment
  UC9063  Clematis lasiantha J. Burtt Davy 1895-4-20 1034 San Mateo Lake San Andreas Comment
  CAS-BOT-BC92558  Clematis ligusticifolia Josephine D. Randall 1907-6-6 306 San Mateo Santa Cruz Peninsula. Los Trancos Road near Stanford University. Comment
  JROH2873  Clinopodium douglasii John H. Thomas 1970-1-1 15499 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC2049875  Clinopodium douglasii H. W. Johansen 1958-6-1 92 San Mateo Store just outside Portola State Park. Comment
  UC1236523  Clintonia andrewsiana J. H. Thomas 1954-6-11 4269 San Mateo 1.5 mi w of La Honda (along San Gregorio Creek); San Gregorio Creek 106 Comment
  JEPS121051  Collinsia multicolor Janell M. Hillman 2012-4-29 San Mateo San Bruno Mountain. Comment
  UC26610  Collinsia multicolor J. Burtt Davy 1895-4-20 1025 San Mateo Millbrae Comment
  JROH4018  Collinsia sparsiflora var. collina John H. Thomas 1976-4-2 18078 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA176753  Collomia heterophylla John H. Thomas 1961-5-5 9217 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Along San Francisquito Creek below Searsville Dam. 76 Comment
  POM132599  Conioselinum gmelinii A. D. E. Elmer 1900-04 2289 San Mateo San Bruno Mountain Comment
  JROH216  Conium maculatum John Hunter Thomas 1981-6-4 20673 San Mateo Jasper Ridge Biological Preserve, Stanford University; near lake Comment
  RSA492534  Conium maculatum Lyman Benson 1937-7-25 8468 San Mateo Lake Searsville; Mt. range: Santa Cruz; Drainage area: San Francisco Bay. 122 Comment
  CAS-BOT-BC286208  Conyza canadensis Walter Knight; Irja Knight 1964-5-30 s.n. San Mateo San Bruno Mountain. Colma Canyon Comment
  CAS-BOT-BC286209  Conyza canadensis Walter Knight; Irja Knight; Elizabeth McClintock 1964-9-11 s.n. San Mateo San Bruno Mountain. Point San Bruno Comment
  CAS-BOT-BC288964  Conyza floribunda Peter Rubtzoff; Patricia Fallon 1987-8-26 9838 San Mateo San Bruno Mts: Saddle area on N side of Guadelupe Canyon. Parkway W of Radio Rd junction; NW part of the area along old Guadelupe Rd Comment
  RSA120503  Corallorhiza maculata S. S. Tillett, I. Sternback 1956-6-24 533 San Mateo Middleton property, behind (N.) Portola Camp Store, just outside Portola State Park. 396 Comment
  POM15833  Cordylanthus maritimus subsp. palustris Jos. Burtt Davy 1893-6-17 773 San Mateo Balmont Comment
  UC750689  Cordylanthus pilosus subsp. pilosus Lewis S. Rose 1941-8-9 41362 San Mateo Woodside 548 Comment
  UC885647  Cordylanthus pilosus subsp. pilosus Roxana Stinchfield 1915-10-14 255 San Mateo basaltic columns near Stanford University Comment
  UC885664  Cordylanthus rigidus subsp. rigidus Lewis S. Rose 1941-9-13 41441 San Mateo Crystal Springs Lake 182 Comment
  JROH4033  Cordylanthus rigidus subsp. rigidus Deane Bowers 1980-8-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; outskirts just down the road from the Escobar entrance Comment
  CAS-BOT-BC101484  Corethrogyne filaginifolia John Thomas Howell 1962-6-6 37415 San Mateo Crystal Springs Lake Comment
  JEPS30902  Corethrogyne filaginifolia J. H. Thomas 1958-6-11 7221 San Mateo about 4.3 mi due e of Belmont; Crystal Springs Reservoir 91 Comment
  POM287560  Cornus californica Lyman Benson 1928-4-12 57 San Mateo Standord University. Santa Cruz. Watershed San Francisquito Creek. 46 Comment
Read comments
Oct 24 2014
  CAS-BOT-BC210353  Cornus sericea W. R. Dudley 1894-4-21 s.n. San Mateo Santa Cruz Peninsula. San Mateo Creek Comment
  JROH1866  Cornus sericea subsp. sericea John Hunter Thomas 1977-6-16 18791 San Mateo Jasper Ridge Biological Preserve, Stanford University; along raised causeway Comment
  JROH1876  Cornus sericea subsp. sericea John Hunter Thomas 1985-4-25 23554 San Mateo Jasper Ridge Biological Preserve, Stanford University; causeway Comment
  CAS-BOT-BC539291  Cortaderia selloana John Rawlings; Ken Hickman 2016-10-15 1951 San Mateo Caltrans right-of-way upslope from Hwy 92 W onramp to Hwy 280 N 122 Comment
  CDA18374  Cortaderia selloana G. D. Barbe 1978-9-26 2440 San Mateo Skylawn Memorial Park; drive from Hwy 92 into the park. 716 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
  CAS-BOT-BC180365  Corylus cornuta subsp. californica W. R. Dudley 1898-3-5 s.n. San Mateo King's Mt., Santa Cruz Peninsula Comment
  CAS-BOT-BC180375  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1964-9-2 61 San Mateo On Mouth of Colma Canyon. San Bruno Mountain Comment
  POM222894  Corylus cornuta var. californica S. S. Berry 1909-3-13 s.n. San Mateo King's Mt. Road. 548 Comment
  POM270392  Corylus cornuta var. californica Lyman Benson 1931-2-28 2613 San Mateo Town: Woodside; Mt. Range: Santa Cruz; River: San Francisquito Cr. 183 Comment
  CAS-BOT-BC452289  Cotoneaster franchetii Philip Wheeler 1965-6-13 s.n. San Mateo San Bruno Mountain; Colma Canyon Comment
  CAS-BOT-BC452290  Cotoneaster pannosus Elizabeth McClintock; Paul Reeberg 1988-5-30 s.n. San Mateo San Bruno Mountain; Colma Canyon Comment
  JROH3644  Cotoneaster pannosus John Hunter Thomas 1983-6-2 22329 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
  POM88012  Cotula australis L. R. Abrams 1902-4-13 2323 San Mateo San Andreas Lake. Comment
  CAS-BOT-BC287302  Cotula australis George Oberlander 1951-3-30 1161 San Mateo San Francisco Watershed Reserve. Sawyer Ridge Comment
  CAS-BOT-BC287305  Cotula australis Walter & Irja Knight 1965-2-28 874 San Mateo San Bruno Mt. Ridge 0.25 mile E parking lot Comment
  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-BC291477  Cotula coronopifolia John Thomas Howell 1924-9-28 660 San Mateo Leslie Salt Rifinery, San Mateo Comment
  UC1776756  Cotula mexicana D. Pendleton 2002-3-21 PDR 65823 San Mateo Sharp Park Golf Course, Pacifica Comment
  JEPS50002  Crassula aquatica F. T. Bioletti June, 1893 San Mateo Lake Pilarcitos Comment
  CAS-BOT-BC427830  Crassula connata John H. Thomas 1958-2-15 6991 San Mateo Jasper Ridge, about 5 miles southwest of Palo Alto. 182 Comment
  CAS-BOT-BC427839  Crassula connata A. D. E. Elmer 1903-4-1 4719 San Mateo San Bruno Hills Comment
  CAS-BOT-BC427836  Crassula connata Elizabeth McClintock 1965-4-11 s.n. San Mateo San Bruno Mountain. Near Guadalupe Road in Crocker Hills. Comment
  CAS-BOT-BC427838  Crassula connata Ned Cahill 1975-2-21 407 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City. Comment
  UCSC007735  Crassula connata Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  JEPS50008  Crassula connata var. erectoides W. L. Jepson 1921-4-3 9106 San Mateo Colma Comment
  JROH3651  Crataegus monogyna John H. Thomas 1965-4-10 10560 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3655  Crataegus monogyna John Hunter Thomas 1984-4-24 23299 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS100484  Crocosmia X crocosmiiflora Dean Wm. Taylor, Shelia Byrne 2000-8-1 17540 San Mateo western slope near summit of Scarper Peak; Santa Cruz Mountains, Montara Mountain 502 Comment
  RSA152117  Crocosmia X crocosmiiflora John H. Thomas 1961-8-27 9700 San Mateo Western end of San Bruno Mountain 244 Comment
  JROH1956  Croton setiger Duncan M. Porter 1960-10-12 727 San Mateo Jasper Ridge Biological Preserve, Stanford University; flat area on crest of the ridge (above area G) Comment
  JROH1962  Croton setiger John Hunter Thomas 1988-8-21 24565 San Mateo Jasper Ridge Biological Preserve, Stanford University; along "main road" Comment
  JROH1369  Cryptantha micromeres John Rawlings 2011-6-14 1078 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail b between serpentine contact and large rock at uphill side of trail that marks the Piperia elongata site. 143 Comment
  JROH1379  Cryptantha microstachys John Hunter Thomas 1992-4-23 25164 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1387  Cryptantha torreyana var. pumila John Rawlings 2009-5-7 1067 San Mateo Jasper Ridge Biological Preserve, Stanford University. North edge of Trail 9. 162 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
  RSA704404  Cupressus abramsiana subsp. butanoensis John Silba 2004-12-28 B- 424 San Mateo CA., San Mateo County., Pescadero County Park, on Botano Ridge, ca. 5-5.5 miles East of Dearborn Park Road, 375 Comment
  CAS-BOT-BC80785  Cupressus macrocarpa Elizabeth McClintock 1967-9-24 s.n. San Mateo Crocker Avenue. Plants of San Bruno Mountain. Comment
  CAS-BOT-BC80790  Cupressus macrocarpa J. H. Thomas 1964-6-19 10423 San Mateo About 1/2 mi below Skyline Blvd. on Half Moon Bay Road toward Crystal Springs Reservoir. Comment
  JROH5712  Cuscuta subinclusa John Rawlings, Ann Lambrecht, Diane Renshaw 2015-5-19 1548 San Mateo Jasper Ridge Biological Preserve, Stanford University. Horse Trail near Escobar Rd. 121 Comment
  CAS-BOT-BC257693  Cyclospermum leptophyllum Peter Rubtzoff 1988-6-25 9927 San Mateo Menlo Park, on Willow Road near Alma Street. Comment
  UCD127346  Cyclospermum leptophyllum John Thomas Howell 1975-9-13 51507 San Mateo Hillside Street just west of El Camino, Burlingame. Comment
  CAS-BOT-BC287341  Cynara cardunculus John Thomas Howell 1956-11-14 31961 San Mateo Bayshore Highway just S of Main St, Redwood City Comment
  JROH5004  Cynodon dactylon John H. Thomas 1973-6-10 16819 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5007  Cynodon dactylon John Hunter Thomas 1988-6-6 24512 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1391  Cynoglossum grande Duncan M. Porter 1961-2-5 739 San Mateo Jasper Ridge Biological Preserve, Stanford University; near gate at Westridge end of ridge Comment
  POM128514  Cynoglossum grande L. R. Abrams 1902-4-6 2317 San Mateo Searsville. Comment
  UC676736  Cynoglossum grande Reed C. Rollins 1941-2-22 2942 San Mateo 8 mi. n.w. Palo Alto Comment
  SEINET12280949  Cynoglossum grande Unknown 1932-1 8924 San Mateo Comment
  JROH5016  Cynosurus echinatus John Rawlings 2013-4-13 1127 San Mateo Jasper Ridge Biological Preserve, Stanford University. Crest of ridge above Bear Creek serpentine. 96 Comment
  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
  JROH4387  Cyperus eragrostis John H. Thomas 1968-10-29 14855 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA132456  Cyperus eragrostis John H. Thomas 1959-8-22 8084 San Mateo Jasper Ridge, about 5 miles southwest of Palo Alto. 152 Comment
  UC517566  Cyperus eragrostis John Thomas Howell 1926-10-9 2216 San Mateo near Lake San Andreas Comment
  CAS-BOT-BC114463  Cyperus eragrostis Phillip C. Wheeler 1965-6-19 s.n. San Mateo Crocker Industrial Park Comment
  CAS-BOT-BC257352  Cyperus eragrostis Peter Rubtzoff 1988-6-9 9924 San Mateo San Bruno Mountains, Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction, along Old Guadalupe Road in the northwestern part of the Saddle area, east of Saddle Trail junction. Comment
  HSC7212  Cyperus eragrostis L. S. Rose 1965-9-20 65107 San Mateo Burlingame, Trousdale Dr. and California Dr. 9 Comment
  SEINET7581670 Image available Cyperus eragrostis Lewis S. Rose 1965-9-20 65107 San Mateo Trousdale Dr & California Dr. 9 Comment
  JROH23  Cystopteris fragilis John Hunter Thomas 1992-4-23 25153 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Rattlesnake Rocks and along trail to redwoods Comment
  JROH5022  Dactylis glomerata John Hunter Thomas 1982-6-7 21031 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC192234  Danthonia californica George Oberlander 1950-5-6 915 San Mateo San Francisco Watershed Reserve Comment
  CAS-BOT-BC192237  Danthonia californica A. D. E. Elmer 1903-6-1 4707 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC227627  Danthonia californica Peter Rubtzoff 1976-5-22 8547 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. East Fork Colma Creek Canyon area. Comment
  UCD61017  Danthonia californica var. americana A. A. Beetle 1942-6-11 3516 San Mateo 5 miles south of San Bruno. Comment
  JROH1905  Datisca glomerata Carol Zabel 1989-8-11 23 San Mateo Jasper Ridge Biological Preserve, Stanford University; San Francisquito Creek bank near intersection with Bear Creek Comment
  JROH223  Daucus pusillus John H. Thomas 1968-5-22 14455 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA18457  Daucus pusillus C. B. Wolf 1927-6-29 550 San Mateo South of Pebble Beach near Pescadero Comment
  UC1069489  Deinandra corymbosa G. E. Sindel 1935-7-25 305 San Mateo mouth Pescadero Creek Comment
  CAS-BOT-BC299204  Deinandra corymbosa subsp. corymbosa James I. McMurphy 1906-11-17 2 San Mateo Portola Comment
  CAS-BOT-BC299210  Deinandra corymbosa subsp. corymbosa L. S. Rose 1941-8-9 41361 San Mateo Moss Beach 16 Comment
  CAS-BOT-BC299218  Deinandra corymbosa subsp. corymbosa Elsie Zeile 1909-5-20 s.n. San Mateo Burlingame Comment
  CAS-BOT-BC299219  Deinandra corymbosa subsp. corymbosa J McMurphy 1909-6-13 s.n. San Mateo San Bruno Hills Comment
  CAS-BOT-BC299221  Deinandra corymbosa subsp. corymbosa Alice Eastwood 1921-7-17 s.n. San Mateo Granada Comment
  CAS-BOT-BC299207  Deinandra corymbosa subsp. corymbosa W. R. Dudley 1893-5-17 s.n. San Mateo Near Milbrae Comment
  CAS-BOT-BC299216  Deinandra corymbosa subsp. corymbosa Class Collection 1940-1-1 s.n. San Mateo Ano Nuevo Point Comment
  JROH3425  Delphinium californicum subsp. californicum Arthur Spiegler 1952-5-10 93 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3432  Delphinium californicum subsp. californicum D. E. Breedlove 1971-5-31 19358 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  CAS-BOT-BC9212  Delphinium californicum subsp. californicum Josephine D. Randall 1907-6-5 310 San Mateo Los Trancos Road, Stanford University Comment
  CAS-BOT-BC9230  Delphinium decorum R. C. Bacigalupi 1922-3-1 s.n. San Mateo Near coast, vicinity of Pigeon Point Comment
  CAS-BOT-BC9229  Delphinium decorum Elizabeth McClintock 1965-3-28 s.n. San Mateo San Bruno Mountains, between April Brook and Radio Road Comment
  CAS-BOT-BC10283  Delphinium hesperium LeRoy Abrams 1920-6-1 7495 San Mateo Redwood City Comment
  JROH3444  Delphinium hesperium subsp. hesperium John H. Thomas 1976-5-26 18155 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3447  Delphinium hesperium subsp. hesperium John Hunter Thomas 1980-5-6 19927 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC9869  Delphinium nudicaule Oliver Norvell 1931-4-18 1417 San Mateo Kings Mountain road. Comment
  JROH3451  Delphinium patens subsp. patens John H. Thomas 1967-4-28 12718 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC7895  Delphinium variegatum Ned Cahill 1974-4-19 153 San Mateo near jct. of Canada and Edgewood Roads, about 3 mi. westward from Redwood City Comment
  CAS-BOT-BC7934  Delphinium variegatum Lewis S. Rose 1933-4-30 33125 San Mateo Redwood City 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
  JROH3467  Delphinium variegatum subsp. variegatum John Hunter Thomas 1980-5-6 19926 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM270794  Delphinium variegatum subsp. variegatum Lyman Benson 1931-3-15 2638 San Mateo Emerald Lake; Redwood City; Mt. Range: Santa Cruz 152 Comment
  RSA15262  Dendromecon rigida Carl B. Wolf 1927-2-26 226 San Mateo On the La Honda grade Comment
  CAS-BOT-BC632  Dendromecon rigida subsp. rigida Herbert L. Mason 1921-7-1 s.n. San Mateo Butano Ridge. Comment
  CAS-BOT-BC192595  Deschampsia cespitosa subsp. holciformis Henry E. Wieser 1932-5-25 s.n. San Mateo Hills back of Burlingame on Hillside Drive Comment
  JEPS83606  Deschampsia cespitosa subsp. holciformis Roy E. Buck and Randall A. Morgan 1984-6-17 505 San Mateo ca. 5.7 km. s.w. of Redwood City (in area bounded by Hwy. I-280 & Edgewood Rd. & Canada Rd.); San Francisco Watershed Reserve 152 Comment
  UCD63756  Deschampsia cespitosa subsp. holciformis P. B. Kennedy 1921-6-3 San Mateo Millbrae Ranch. Comment
  JROH5046  Deschampsia danthonioides John H. Thomas 1957-4-16 6654 B 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
  JROH5066  Deschampsia elongata John Hunter Thomas 1982-7-3 21061 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSB294  Deschampsia elongata Kraebel, C. 1932-7-24 San Mateo no data Comment
  POM226851  Deschampsia holciformis H. E. Wieser 1932-5-25 s.n. San Mateo Hills back of Burlingame on Hillside Drive. Comment
  SEINET10527676  Deschampsia holciformis Edwin B. Copel 1903-6-10 Copeland 3305 San Mateo Montara Point. Comment
  CAS-BOT-BC902  Dicentra chrysantha L. R. Abrams 1921-5-25 8007 San Mateo Halfway to summit of Mt. Diablo Comment
  CAS-BOT-BC912  Dicentra formosa J. H. Thomas 1961-5-14 9364 San Mateo Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. San Francisco Watershed Reserve. 152 Comment
  CAS-BOT-BC704  Dicentra formosa subsp. formosa Peter Rubtzoff 1953-5-14 1340 San Mateo Pilarcitos Creek canyon, 1 to 2 miles downstream from Pilarcitos Lake. Comment
  CAS-BOT-BC705  Dicentra formosa subsp. formosa Walter Knight; Irja Knight 1964-5-30 614 San Mateo Guadalupe Road near big rock at Guadalupe Creek. Comment
  CAS-BOT-BC500893  Dichelostemma capitatum Fred Hemphill 1973-5-6 777 San Mateo San Carlos, Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC500927  Dichelostemma capitatum Ned Cahill 1974-4-18 128 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  POM169432  Dichelostemma capitatum subsp. capitatum C. F. Baker 1902-5-4 761 San Mateo Woodside. Comment
  UCD139212  Dichelostemma capitatum subsp. capitatum R. E. Dengler 1960-4-10 6 San Mateo Jasper Ridge, Stanford Biological Reserve. 190 Comment
  JROH4666  Dichelostemma multiflorum Ruth Porter 1999-5-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. North side of Road B Comment
  JROH5076  Digitaria sanguinalis H. J. Dengler 1965-8-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. In S.F. Creek bed, a few hundred yards below N. bend, at the Dennis Martin settlement site. 71 Comment
  CAS-BOT-BC150453  Diplacus aurantiacus Ned Cahill 1974-4-30 229 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City 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
  RSA187291  Dipsacus sativus John H. Thomas 1964-11-15 10528 -A San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto Comment
  HSC21402  Dirca occidentalis L. S. Rose 1964-3-9 64004 San Mateo North end of Crystal Springs Lake. 122 Comment
  JROH4201  Dirca occidentalis John H. Thomas 1968-2-11 14144 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4205  Dirca occidentalis John H. Thomas 1971-4-21 15770 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4212  Dirca occidentalis John Hunter Thomas 1981-4-5 20282 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
  RSA392566  Dirca occidentalis L. S. Rose 1933-3-2 33002 San Mateo San Andreas Lake Comment
  SBBG39502  Dirca occidentalis L. S. Rose 1970-1-30 70002 San Mateo 1 mi SE of San Andreas Lake; Santa Cruz Mts 304 Comment
  UC19691  Dirca occidentalis C. T. Blake 1893-5-27 San Mateo Pilarcitos Reservoir Comment
  POM169492  Disporum hookeri var. hookeri C. F. Baker 1902-4-6 650 San Mateo Crystal Springs Lake. Comment
  POM277215  Disporum hookeri var. hookeri Lyman Benson 1937-8-15 8490 San Mateo Upper San Francisquito Creek, Mt. Range: Santa Cruz; Watershed: San Francisco Bay. 244 Comment
  POM169800  Disporum smithii A. D. E. Elmer 1903-05 4697 San Mateo Butano Creek Comment
  SACT000992  Distichlis spicata var. stolonifera Malcolm Nobs, S. Smith 1949-8-26 San Mateo Collected in the marshes at mouth of creek. Comment
  SEINET11973366  Dodecatheon clevelandii Unknown 1930-1 7436 San Mateo Jasper Ridge Comment
  UC105762  Dodecatheon clevelandii subsp. patulum Brandegee Apr 1889 San Mateo San Mateo Comment
  JROH3386  Dodecatheon hendersonii Herbert Dengler 1973-2-23 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. In oaks towards E. serp. Top of knoll from gully below 2nd enclosure. Comment
  JEPS9541  Dodecatheon hendersonii Ivar Tidestrom 1894-3-22 San Mateo Comment
  POM78433  Dodecatheon hendersonii subsp. cruciatum A. D. E. Elmer 1903-04 s.n. San Mateo Woodsides. Comment
  JROH1507  Draba verna J. H. Thomas 1980-4-23 19896 San Mateo Jasper Ridge Biological Preserve, Stanford University; in road below dam Comment
  CAS-BOT-BC159501  Drymocallis glandulosa var. glandulosa Catherine A. Toschi 1963-2-23 63 :28 San Mateo North slope San Bruno Mountains above Crocker Avenue 152 Comment
  CAS-BOT-BC159536  Drymocallis glandulosa var. glandulosa W. R. Dudley 1896-4-18 s.n. San Mateo Pebble Beach at Pescadero - Santa Cruz Peninsula Comment
  CAS-BOT-BC159545  Drymocallis glandulosa var. glandulosa Ira L. Wiggins 1925-4-1 1662 San Mateo On Kings Mountain Road three fourths of a mile above Woodside in the old cut over redwood belt. Comment
  CAS-BOT-BC159542  Drymocallis glandulosa var. glandulosa C. F. Leithold 1894-8-13 s.n. San Mateo Devil's Canyon, Black Mountain - Santa Cruz Peninsula Comment
  RSA152261  Drymocallis glandulosa var. wrangelliana I. L. Wiggins 1925-04 1662 San Mateo On Kings Mtn Road three fourths of a mile above Woodside. Comment
  CAS-BOT-BC67880  Dryopteris arguta John H. Thomas 1973-6-15 16840 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto Comment
  CAS-BOT-BC67895  Dryopteris arguta Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain - Buckeye Canyon Comment
  JROH31  Dryopteris arguta Lawrence J. Winship 1974-11-16 21 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  CAS-BOT-BC67889  Dryopteris arguta W. R. Dudley 1897-1-11 s.n. San Mateo Santa Cruz Peninsula - Lower part of Butano Creek Comment
  RSA693711  Dryopteris arguta E. S. Spalding 1923-8-3 s.n. San Mateo Near Pulgas Tunnel Comment
  RSA693753  Dryopteris arguta C. B. Wolf 1928-3-14 1537 San Mateo La Honda grade in the Santa Cruz Mountains 152 Comment
  CAS-BOT-BC410868  Dudleya caespitosa Lewis S. Rose 1955-7-25 55168 San Mateo Pigeon Point 6 Comment
  CAS-BOT-BC410866  Dudleya caespitosa Dr. Barton W. Evermann 1924-6-22 s.n. San Mateo Ano Nuevo Isl. Comment
  CAS-BOT-BC410869  Dudleya caespitosa Reid Moran 1951-7-3 3499 San Mateo Devils Slide, 2 miles north of Montara Comment
  CAS-BOT-BC410870  Dudleya caespitosa George Oberlander 1950-6-3 1036 San Mateo San Andreas Valley Comment
  CAS-BOT-BC428366  Dudleya farinosa Dr. Barton W. Evermann 1924-6-22 s.n. San Mateo Ano [Ano] Nuevo Island 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
  HSC94173  Echium lusitanicum Gordon Leppig 2000-5-24 1384 San Mateo Hwy. 101 between Montara and Linda Mar Comment
  UC306633  Eleocharis macrostachya A. D. E. Elmer Jul 1903 4746 San Mateo San Pedro Comment
  POM144786  Eleocharis palustris A. D. E. Elmer 1903-07 4767 San Mateo San Pedro. Comment
  SJSU15748  Elymus californicus John Rawlings 2015-5-11 1570 San Mateo Butano Creek near the state park boundary (and also Little Butano Cr along the six Bridges Trail) 152 Comment
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Oct 30 2017
  CAS-BOT-BC203681  Elymus glaucus subsp. glaucus John H. Thomas 1961-5-14 9366 San Mateo Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. San Francisco Watershed Reserve 152 Comment
  CAS-BOT-BC203691  Elymus glaucus subsp. glaucus W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. South slope, Montara Mts. Comment
  JROH5108  Elymus glaucus subsp. glaucus John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD62412  Elymus glaucus subsp. virescens P. B. Kennedy 1916-4-1 San Mateo Colma Canyon, Daly City, S. San Francisco. Comment
  JROH5129  Elymus multisetus John Hunter Thomas 1985-5-21 23663 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA159423  Elymus multisetus John H. Thomas 1961-5-14 9384 B San Mateo Serpentine road bank and outcropping just north of dam on San Mateo Creek. 122 Comment
  POM87686  Elymus trachycaulus subsp. trachycaulus Le Roy Abrams 1902-5-11 2452 San Mateo Crystal Springs. Comment
  SJSU15940  Elymus trachycaulus subsp. trachycaulus John Rawlings, Ken Hickman 2016-5-26 1816 A 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
  CDA2050  Elytrigia repens Bruce Martin Aug 1949 San Mateo Coastal; Half Moon Bay, near San Francisco (about 30 mi. So.) 0 Comment
  POM32051  Epilobium canum subsp. canum C. F. Baker 1902-10-20 52 San Mateo Summit of Coast Range Comment
  RSA184862  Epilobium canum subsp. canum L. S. Rose 1965-9-4 65099 San Mateo Skyline Blvd and half Moon Bay Road, Cahill Ridge 244 Comment
  JROH3060  Epilobium ciliatum subsp. ciliatum John Hunter Thomas 1981-7-12 20694 San Mateo Jasper Ridge Biological Preserve, Stanford University; growing at boat dock Comment
  POM32681  Epilobium ciliatum subsp. watsonii Copeland 1903-6-5 3328 San Mateo Montara Point. Comment
  SD38385  Epilobium ciliatum subsp. watsonii Edith A. Purer 1933-7-27 5340 San Mateo High stabilized sand dunes, Pigeon Point. Comment
  POM312602  Epilobium ciliatum subsp. watsonii Malcolm A. Nobs, S. Galen Smith 1949-8-26 1585 San Mateo About 1 mile south of Half Moon Bay. Comment
  SJSU10677  Epilobium ciliatum subsp. watsonii H. L. Elliot 1958-5-31 118 San Mateo Hwy 1, 12 mi S of Halfmoon Bay Comment
  UC750564  Epilobium densiflorum Lewis S. Rose 1942-8-11 42228 San Mateo hills e Sharps Park 91 Comment
  JROH3070  Epilobium minutum John H. Thomas 1963-5-15 10092 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD84586  Epipactis gigantea Christopher Michael Bronny 2009-9-29 19 San Mateo Specimen collected along channelized/constrained banks of Belmont Creek south of Harbor Boulevard/east of Industrial Boulevard; property owned and maintained by Novartis Pharmaceuticals. 4 Comment
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Mar 10 2012
  CAS-BOT-BC57086  Equisetum X ferrissii E. Cannon 1898-5-24 s.n. San Mateo Colma Comment
  UCR279844  Equisetum arvense Peter Rubtzoff 1976-3-14 8444 San Mateo San Francisco Bay Region, San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction; upper part of East Fork Colma Creek Canyon 220 Comment
  JROH64  Equisetum hyemale subsp. affine Toni Corelli 2005-10-12 307 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 13, north side of Leonard's bridge. 106 Comment
  CAS-BOT-BC57612  Equisetum telmateia A. D. E. Elmer 1903-3-1 4501 San Mateo Portola Comment
  CAS-BOT-BC57599  Equisetum telmateia Walter Knight; Irja Knight 1964-5-30 616 San Mateo Colma Creek Comment
  JROH68  Equisetum telmateia subsp. braunii Lawrence J. Winship 1974-11-2 3 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH73  Equisetum telmateia subsp. braunii John Hunter Thomas 1982-11-6 21206 San Mateo Jasper Ridge Biological Preserve, Stanford University. Delta along edge of Searsville Lake Comment
  JROH65  Equisetum telmateia subsp. braunii John H. Thomas 1967-4-28 12730 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  JROH66  Equisetum telmateia subsp. braunii John H. Thomas 1974-5-3 17245 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek. Below dam. Comment
  SEINET11613894  Equisetum telmateia subsp. braunii Unknown 1932-1 8935 San Mateo La Honda Road to Sky Line Drive Comment
  JROH5140  Eragrostis pectinacea var. pectinacea John H. Thomas 1974-10-29 17646 San Mateo Jasper Ridge Biological Preserve, Stanford University. Small peninsula created by drainage channel cut to accommodate water from Corte Madera Cr. Comment
  CAS-BOT-BC291202  Erechtites glomeratus E. McClintock; Phillip Wheeler 1965-5-23 s.n. San Mateo San Bruno Mountain. Top of ridge, east of Nike station Comment
  CAS-BOT-BC299882  Erechtites glomeratus Phillip C. Wheeler 1965-6-19 s.n. San Mateo Crocker Land Park, Brisbane, San Bruno Mountain Comment
  CAS-BOT-BC299885  Erechtites glomeratus Robert F. Thorne; P. Everett 1963-6-9 32212 San Mateo Near TV tower on top of San Bruno Mountain 335 Comment
  RSA191936  Erechtites glomeratus R. F. Thorne, Percy C. Everett 1963-6-9 32212 San Mateo On top of San Bruno Mountain. 335 Comment
  CAS-BOT-BC291241  Erechtites minimus George Oberlander 1950-7-15 1084 San Mateo San Francisco Watershed Reserve. Cahill Ridge Comment
  CAS-BOT-BC512628  Eriastrum abramsii Lewis S. Rose 1936-5-28 36305 San Mateo Emerald Lake, W of Redwood City 91 Comment
  CAS-BOT-BC286883  Ericameria ericoides Elizabeth McClintock 1966-9-29 s.n. San Mateo San Bruno Mountain. Lower part of Colma Canyon Comment
  SD40104  Ericameria ericoides subsp. ericoides Edith A. Purer 1933-8-25 5511 San Mateo Skyline Drive Comment
  JROH648  Erigeron canadensis John H. Thomas 1964-11-15 10524 San Mateo Jasper Ridge Biological Preserve, Stanford University; along road at edge of Searsville Lake Comment
  UCSC007751  Erigeron canadensis Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC300613  Erigeron foliosus var. franciscensis Fred Hemphill 1973-5-14 813 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC295087  Erigeron glaucus Walter Knight; Irja Knight; Elizabeth McClintock 1963-9-2 s.n. San Mateo San Bruno Mountain. Power Line Ridge Comment
  POM357521  Erigeron glaucus Glenn A. Gorelick 1967-4-14 s.n. San Mateo San Bruno Mountains, overlooking Daly City near San Francisco. Comment
  SJSU2274  Erigeron glaucus C. W. Sharsmith 1947-4-13 6755 San Mateo Pescadero Beach, near Pescadero Point Comment
  CAS-BOT-BC295084  Erigeron glaucus David D. Keck 1931-10-5 1290 San Mateo One km. north of Salada Beach Comment
  CAS-BOT-BC216247  Eriodictyon californicum Lewis S. Rose 1941-7-2 41288 San Mateo King's Mountain 480 Comment
  CAS-BOT-BC216250  Eriodictyon californicum Volney Rattan 1881-1-1 s.n. San Mateo Belmont Comment
  JROH2725  Eriodictyon californicum John H. Thomas 1974-5-29 17398 San Mateo Jasper Ridge Biological Preserve, Stanford University; riders' shack Comment
  CAS-BOT-BC216244  Eriodictyon californicum Josephine D. Randall 1907-7-24 166 San Mateo Road to Crystal Springs Lake, Santa Cruz Peninsula Comment
  POM165067  Eriogonum latifolium A. D. E. Elmer 1903-07 4557 San Mateo Half Moon Bay. Comment
  RSA107485  Eriogonum latifolium L. S. Rose 1955-7-25 55167 San Mateo Pigeon Point 6 Comment
  SBBG1532  Eriogonum latifolium H. and M. Dearing 1951-8-17 6944 San Mateo Pigeon Point on Hwy 1 N of Santa Cruz Comment
  SBBG25112  Eriogonum latifolium D. Myrick 1966-6-11 1450 San Mateo Pigeon Point on Hwy 1 S of San Francisco 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
  CAS-BOT-BC252001  Eriogonum latifolium W. R. Dudley No date on label s.n. San Mateo Ocean View downs Comment
  CAS-BOT-BC389664  Eriogonum latifolium Sigal 1969-8-1 78 San Mateo Pescadero Beach 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
  RSA176255  Eriogonum latifolium Robert F. Thorne, Percy C. Everett 1963-6-9 32238 San Mateo On top of San Bruno Mountain 335 Comment
  UCSC007632  Eriogonum latifolium Randall Morgan 2004-7-23 4254 San Mateo Rockaway Beach Comment
  CAS-BOT-BC266075  Eriogonum luteolum Ned Cahill 1974-10-8 382 San Mateo Near the intersection of Canada and Edgewood Roads about 3 mi westward from Redwood City Comment
  RSA187318  Eriogonum luteolum John H. Thomas 1964-7-3 10441 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto Comment
  RSA423120  Eriogonum luteolum L. S. Rose 1937-9-21 37661 San Mateo Emerald Lake, west of Redwood City. 183 Comment
  UCR80214  Eriogonum luteolum L. S. Rose 1937-9-21 37661 San Mateo Emerald Lake, west of Redwood City 160 Comment
  JROH3224  Eriogonum luteolum var. luteolum A. G. Vestal 1937-7-18 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Southeast side of ridge not far from Stanford property line. Comment
  LA27120  Eriogonum luteolum var. luteolum L. S. Rose; 1941-9-2 41432 San Mateo W of Redwood City, Emerald Lake 90.0 Comment
  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
  JEPS83063  Eriogonum nudum Roy E. Buck, Randall A. Morgan, James A. West 1983-7-23 450 San Mateo 1.4 km w San Andreas Dam (at n end of Sawyer Ridge, on sw-facing slope above last curve in gravel ridge road before intersection above San Andreas Dam); San Francisco Watershed Reserve, Sawyer Ridge 312 Comment
  CAS-BOT-BC268996  Eriogonum nudum var. auriculatum A. D. E. Elmer 1903-6-1 4311 San Mateo Crystal Springs Lake Comment
  UC614886  Eriogonum nudum var. auriculatum Beryl O. Schreiber 1932-5-29 306 San Mateo Crystale Springs Comment
  RSA393325  Eriogonum nudum var. auriculatum E. A. Purer 1933-7-27 5401 San Mateo Along Bayshore Highway near Redwood City Comment
  SEINET11938128  Eriogonum nudum var. auriculatum E. A. Purer 1933-1 5401 San Mateo Along the Bayshore Highway, near Redwood City Comment
  CAS-BOT-BC304080  Eriophyllum confertiflorum H. A. Dutton 1900-3-25 s.n. San Mateo Woodside, Santa Cruz Peninsula Comment
  CAS-BOT-BC304086  Eriophyllum confertiflorum Ned Cahill 1974-5-18 285 San Mateo Near the intersection of Canada and Edgewood roads, about 3 miles westward from Redwood City Comment
  CAS-BOT-BC304088  Eriophyllum confertiflorum Ned Cahill 1974-5-13 267 San Mateo Near the intersection of Canada and Edgewood roads, about 3 miles westward from Redwood City Comment
  SEINET11850692  Eriophyllum confertiflorum Unknown 1932-1 9194 San Mateo no further locality Comment
  JROH711  Eriophyllum confertiflorum var. confertiflorum John Hunter Thomas 1981-5-8 20562 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH716  Eriophyllum confertiflorum var. confertiflorum John Hunter Thomas 1989-5-9 24717 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH717  Eriophyllum confertiflorum var. confertiflorum John Hunter Thomas 1992-5-5 25210 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC301264  Eriophyllum lanatum var. arachnoideum A. D. E. Elmer 1903-6-1 4397 San Mateo San Mateo Comment
  CAS-BOT-BC301267  Eriophyllum lanatum var. arachnoideum George Oberlander 1950-7-15 1019 San Mateo San Francisco Watershed Reserve Comment
  JROH723  Eriophyllum lanatum var. arachnoideum John Hunter Thomas 1989-6-17 24774 San Mateo Jasper Ridge Biological Preserve, Stanford University; near San Francisquito Creek Comment
  NY168698  Eriophyllum latilobum A. A. Heller 1907-5-28 8584 San Mateo This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC614530  Eriophyllum latilobum L. Constance 1938-5-16 2242 San Mateo Half Moon Bay Rd 2 mi sw San Mateo; San Mateo Creek 45 Comment
  JEPS34470  Eriophyllum staechadifolium L. R. Heckard and Rimo Bacigalupi 1963-7-2 1359 San Mateo trail to (nw slope) Montara Peak (above old county road) 304 Comment
  RSA1946  Eriophyllum staechadifolium C. B. Wolf 1930-11-5 1808 San Mateo Hills near the ocean, 2 miles south of Pescadero 61 Comment
  JROH2595  Erodium botrys John H. Thomas 1969-4-12 14888 a San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  RSA328357  Erodium botrys Robert A. Norris 1984-5-9 4731 San Mateo Olivet Memorial Park throughway, Colma. Comment
  UCSC007744  Erodium cicutarium Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  UC1167714  Eryngium armatum Peter H. Raven 1957-6-24 10971 San Mateo Pebble Beach Comment
  JROH238  Eryngium jepsonii Richard L. Garber 1971-5-1 82 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH240  Eryngium jepsonii John H. Thomas 1974-6-27 17445 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1034903  Erysimum capitatum G. B. and R. P. Rossbach 1938-6-12 860 San Mateo La Honda Grove Coast Range 121 Comment
  CAS-BOT-BC54818  Erysimum franciscanum H. E. Parks; S. T. Parks 1930-3-10 0401 San Mateo Spring Valley Lakes. Comment
  CAS-BOT-BC54822  Erysimum franciscanum A. D. E. Elmer 1903-5-1 4477 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC54835  Erysimum franciscanum G. B. Rossbach 1955-3-12 569 San Mateo North face of Devil's Slide, south of Pedro Point, west edge of Montara Mountains. 121 Comment
  CAS-BOT-BC54843  Erysimum franciscanum G. B. Rossbach; R. P. Rossbach 1938-4-3 806 San Mateo Crests and steep upper slopes of the San Bruno Hills. 365 Comment
  CAS-BOT-BC54891  Erysimum franciscanum Vernal L. Yadon 1968-4-5 s.n. San Mateo Just south of Ano Nuevo Point. Comment
  CHSC37823  Erysimum franciscanum J. F. Esperance 1982-3-6 San Mateo Top of San Bruno Mtn., 0.5 mi s of parking area along ridge top. 304 Comment
  POM143342  Erysimum franciscanum A. D. E. Elmer 1903-05 s.n. San Mateo Crystal Springs Lake. Comment
  RSA101844  Erysimum franciscanum G. B. Rossbach 1939-3-26 901 San Mateo Very near Sharp Park (Salada Beach) Comment
  RSA102110  Erysimum franciscanum G. B. Rossbach 1955-3-12 566 San Mateo SE end of Buriburi Ridge, NW side of San Mateo Creek 76 Comment
  RSA187279  Erysimum franciscanum John H. Thomas 1965-4-29 10608 San Mateo San Bruno Mountain in northern part of county. 305 Comment
  UC1211924  Erysimum franciscanum John H. Weiler and B. Hirano 1961-3-22 6138 San Mateo steep bluff along Hwy 1 0.2 mi s Devil's Slide (n of Moss Beach) Comment
  UC136023  Erysimum franciscanum C. F. Baker 1902-3-22 342 San Mateo Crystal Springs Lake Comment
  RSA0001945  Erysimum franciscanum G. B. Rossbach 1955-3-26 572 San Mateo High seaward slope 2 mi. S of San Francisco line & 3 mi. N of Sharp Peak (Salada). Comment
  SEINET10667980  Erythranthe arvensis Edward L. Greene Greene s.n. San Mateo Belmont. Comment
  CHSC59820  Erythranthe guttata Jan M. Karaz 1979-5-28 78 San Mateo 2.5 mi west of Hwy 280 towards San Francisco Bay on Farm Hill Blvd, along Stulsaft Creek in Stulsaft Park. 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
  JROH3094  Eschscholzia californica John H. Thomas 1967-6-1 12963 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3097  Eschscholzia californica Richard L. Garber 1971-5-11 7 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM149355  Eschscholzia californica subsp. californica A. D. E. Elmer 1903-06 4680 San Mateo Crystal Springs Lake. Comment
  POM272329  Eschscholzia californica subsp. californica Lyman Benson 1931-3-3 2621 San Mateo Moss Beach. 15 Comment
  CAS-BOT-BC202734  Euonymus occidentalis W. R. Dudley 1910-5-26 s.n. San Mateo Santa Cruz Mountain Peninsula. Los Trancos Creek, above Judge Allen's Comment
  CAS-BOT-BC202737  Euonymus occidentalis L. R. Abrams 1906-9-24 s.n. San Mateo Goat Ranch Canon [Canyon], Santa Cruz Mts. near Portola Comment
  CAS-BOT-BC206912  Euonymus occidentalis D. E. Breedlove 1974-5-13 36208 San Mateo Slopes of San Pedro Valley Park, Pacifica. 152 Comment
  UC1071566  Euonymus occidentalis var. occidentalis A. E. Wieslander 1925-9-25 1 San Mateo Santa Cruz Quad., Pescadero Creek Comment
  UC635616  Euonymus occidentalis var. occidentalis H. L. Mason 1924-5-18 1016 San Mateo Jasper Ridge near Stanford (creek below sand hill caves); Jasper Ridge Comment
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Sep 19 2011
  UCD142397  Euphorbia helioscopia Walter Russell 1949-9-11 594 San Mateo Millbrae. Beside Highway 101. Comment
  JROH5788  Euphorbia oblongata John Rawlings 2016-5-10 1780 San Mateo Jasper Ridge Biological Preserve, Stanford University. San Francisquito Cr. near Dennis Martin site. 73 Comment
  JROH1972  Euphorbia spathulata John H. Thomas 1970-4-28 15609 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA499127  Euphorbia spathulata L. S. Rose 1935-5-4 35151 San Mateo Burlingame. Comment
  CAS-BOT-BC459225  Euthamia occidentalis David D. Keck 1931-9-27 1272 San Mateo Dumbarton Bridge Comment
  UCSC007760  Euthamia occidentalis Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  JROH5160  Festuca arundinacea John Hunter Thomas 1987-5-26 24320 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  UCD65864  Festuca californica subsp. californica P. B. Kennedy 1916-4-1 San Mateo Daly City, Colma Canyon, S San Francisco. Comment
  RSA582078  Festuca californica var. californica D. D. Keck 1932-5-11 1499 San Mateo Above Woodside on La Honda Road, east slope of Santa Cruz Mountains Comment
  CAS-BOT-BC282497  Festuca elmeri Peter H. Raven 1950-6-3 2252 San Mateo Woods around San Andreas Lake 121 Comment
  CAS-BOT-BC278477  Festuca idahoensis L. R. A. 1902-5-11 2450 San Mateo Crystal Springs Comment
  CAS-BOT-BC210029  Festuca idahoensis Peter Rubtzoff 1980-5-3 9436 San Mateo San Bruno Mountains. The Edward Preston Lee Memorial Site and vicinity. Comment
  JROH5482  Festuca microstachys John H. Thomas 1964-4-5 10296 San Mateo Jasper Ridge Biological Preserve, Stanford University. Toward Searsville end of ridge. 152 Comment
  JROH5478  Festuca microstachys Duncan M. Porter 1960-4-18 642 A San Mateo Jasper Ridge Biological Preserve, Stanford University. Meadow near crest of N-facing slope above Webb Ranch. Comment
  JROH5500  Festuca myuros W. Lennihan 1989-3-13 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5292  Festuca perennis W. Lennihan 1989-4-6 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 9. Comment
  SEINET3386774 Image available Filago californica Lewis S. Rose 1933-4-30 33133 San Mateo Redwood City, open hills Comment
  RSA159417  Filago gallica John H. Thomas 1961-5-7 9249 San Mateo Colma, near intersection of El Camino Real and F Street 46 Comment
  SJSU15424  Foeniculum vulgare Toni Corelli 2011-8-31 712 San Mateo Pescadero State Beach and Marsh Natural Preserve, along Butano Trail 18 Comment
  CAS-BOT-BC166812  Foeniculum vulgare Peter Rubtzoff 1978-9-16 9269 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction; in upper part of East Fork Colma Creek canyon. Comment
  RSA15343  Fragaria chiloensis Carl B. Wolf 1927-1-29 156 San Mateo Pebble Beach, along bluffs near Beach Comment
  RSA85867  Fragaria chiloensis Mabel Peirson 1926-2-24 6519 San Mateo Moss Beach. Comment
  SEINET3892512  Fragaria chiloensis R. L. Johnson 2012-4-6 12 -004 San Mateo Half Moon Bay, Redondo Beach Rd. overlooking Pacific Ocean.; 0 25 Comment
  UC466552  Fragaria chiloensis R. L. Pendleton 1907-4-20 629 San Mateo Colma Comment
  JROH3664  Fragaria vesca John H. Thomas 1976-10-16 18427 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3667  Fragaria vesca John Hunter Thomas 1981-4-21 20461 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3674  Fragaria vesca John Hunter Thomas 1991-4-25 24999 San Mateo Jasper Ridge Biological Preserve, Stanford University. Redwood area below dam Comment
  CAS-BOT-BC457522  Fragaria vesca subsp. californica Le Roy Abrams 1898-3-1 s.n. San Mateo Kings Mountain Comment
  CAS-BOT-BC457525  Fragaria vesca subsp. californica Elizabeth McClintock 1967-9-24 s.n. San Mateo Crocker Avenue, San Bruno Mountain Comment
  SEINET11915234  Fragaria vesca subsp. californica L. S. Gill 1930-1 s.n. San Mateo Kuig Mt Comment
  CAS-BOT-BC52675  Frangula californica subsp. californica George Oberlander 1949-7-30 246 San Mateo Crest of Sweeney Ridge Comment
  JROH3551  Frangula californica subsp. californica John Hunter Thomas 1987-5-26 24312 San Mateo Jasper Ridge Biological Preserve, Stanford University. Causeway Comment
  SBBG28507  Frangula californica subsp. californica C. B. Wolf 1927-11-27 San Mateo just S of Pescadero Comment
  CAS-BOT-BC53598  Frangula californica subsp. tomentella John H. Thomas 1971-5-2 15863 San Mateo near intersection of Canada and Edgewater roads. About 4 miles SW of center of Redwood City 304 Comment
  RSA391414  Frankenia salina D. D. Keck 1931-9-27 1269 San Mateo Dumbarton Bridge. Comment
  JEPS55687  Fritillaria affinis W. Roderick 1962-2-10 San Mateo Mount San Bruno 3 Comment
  POM169866  Fritillaria affinis A. D. E. Elmer 1903-05 5045 San Mateo Portola Comment
  UC1206468  Fritillaria affinis Le Roy Abrams 1902-4-13 2339 San Mateo Crystal Springs Lake Comment
  UC204192  Fritillaria affinis A. D. E. Elmer May, 1903 5045 San Mateo Portola Comment
  SJSU14166  Fritillaria biflora H. R. Himes 1989-3-17 San Mateo S end of Buri Buri Ridge on W side of Hwy 280 Comment
  SEINET1783225  Fritillaria biflora var. ineziana Inez Smith 1914-3-12 s. n. San Mateo Hillsboro. Comment
  SDSU20659  Fritillaria liliacea Sean Ryan 2011-3-18 76 San Mateo 65 yds S of Point Reyes-Petaluma Rd. approx. 0.66 mi W of its intersection with Nicasio Valley Rd. Nicasio Reservoir. 65 Comment
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Sep 10 2014
  CDA34013  Fumaria capreolata D. G. Kelch 2011-3-13 11 .058 San Mateo Near Half Moon Bay along Capistrano Creek. Comment
  CAS-BOT-BC422449  Fumaria capreolata Philip Morgan 1985-5-1 s.n. San Mateo Growing at the base of Montara Mountain. Comment
  RSA101002  Galium aparine G. Oberlander 1949-4-30 113 San Mateo Pilarcitos Canyon. San Francisco Watershed Reserve. Comment
  RSA130682  Galium aparine James I. McMurphy 1906-5-8 s.n. San Mateo Near head of Crystal Springs Lakes Comment
  JROH3784  Galium californicum subsp. californicum James McMurphy 1906-8-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3787  Galium murale John H. Thomas 1961-4-8 9074 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3791  Galium murale John H. Thomas 1967-6-1 12967 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3795  Galium murale John H. Thomas 1974-4-25 17217 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS14551  Galium triflorum L. T. Dempster 1956-5-15 1001 San Mateo near stream-bed Lake Pilarcitos Comment
  CAS-BOT-BC303463  Gamochaeta ustulata John H. Thomas 1961-5-12 9325 San Mateo San Bruno Mt in N part of county 396 Comment
  CAS-BOT-BC194561  Garrya elliptica Phillip C. Wheeler 1965-4-27 s.n. San Mateo Sierra point Comment
  CAS-BOT-BC194571  Garrya elliptica A. D. E. Elmer 1903-2-1 4469 San Mateo Portola Comment
  UC1122630  Garrya elliptica C. R. Clar 1928-9-17 3 San Mateo s of Lake Pilarcitos; San Mateo Quad. 274 Comment
  CAS-BOT-BC194557  Garrya elliptica Walter Knight 1964-9-14 835 San Mateo Ridge between Peak Mt. and Highway 1. Comment
  SD41264  Garrya elliptica Delzie Demaree 1930-2-1 7312 San Mateo Los Trancos Woods. Comment
  RSA135780  Gastridium phleoides C. F. Leitholt 1894-7-30 s.n. San Mateo La Honda. Comment
  RSA405456  Genista maderensis Glenn A. Gorelick 1967-4-20 s.n. San Mateo Overlooking Daly City, near San Francisco. Comment
  CAS-BOT-BC219143  Genista monspessulana Roxana S. Ferris 1921-3-20 2176 San Mateo La Honda-Pescadero Road 304 Comment
  CHSC23145  Genista monspessulana Robert A. Schlising 1962-2-24 2082 San Mateo California Coast Range. On dry roadbank near La Honda. Comment
  JROH2015  Genista monspessulana John Hunter Thomas 1985-5-7 23640 San Mateo Jasper Ridge Biological Preserve, Stanford University; near bridge Comment
  UCD119662  Genista monspessulana Annabelle Kleist 2008-5-28 Wun- 4 San Mateo Woodside, Montelena Court. Comment
  UCR101651  Geranium carolinianum George K. Helmkamp, E. A. Helmkamp 1998-5-16 3738 San Mateo Portola Valley, Golden Hills Rd along Los Trancos Creek 107 Comment
  JROH2613  Geranium dissectum John H. Thomas 1973-3-12 16486 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSC007748  Geranium dissectum Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  JROH3152  Gilia achilleifolia subsp. multicaulis John H. Thomas 1967-4-28 12722 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM282276  Gilia achilleifolia subsp. multicaulis Lyman Benson 1935-5-5 6532 San Mateo Lake Searsville. 152 Comment
  JEPS101989  Gilia clivorum Dean W. Taylor 1994-5-10 14266 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
  CAS-BOT-BC303681  Glebionis coronaria J. H. Thomas 1961-5-7 9245 San Mateo Colma. Near intersection of El Camino Real and F Street 45 Comment
  RSA17964  Gnaphalium beneolens C. B. Wolf 1927-8-13 715 San Mateo Woodside Comment
  RSA217983  Gnaphalium luteoalbum Elizabeth McClintock 1965-6-13 s.n. San Mateo Colma Canyon. Plants of San Bruno Mountain. Comment
  CAS-BOT-BC307440  Gnaphalium palustre W. R. Dudley 1909-10-31 s.n. San Mateo Searsville Lake, Santa Cruz Mountain Peninsula Comment
  POM358932  Gnaphalium ramosissimum E. A. Purer 1933-8-13 5420 San Mateo Near Belmont Comment
  JROH811  Grindelia camporum G. H. Mallory 1909-7-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; south end of Jasper Ridge Comment
  CAS-BOT-BC304530  Grindelia hirsutula L. R. A. 1909-8-2 4249 San Mateo Pebble Beach, Pescadero Comment
  CAS-BOT-BC304536  Grindelia hirsutula W. R. Dudley 1899-5-14 s.n. San Mateo Santa Cruz Peninsula. By road from Pilarcitos to San Andreas Comment
  CAS-BOT-BC304538  Grindelia hirsutula John Thomas Howell 1933-5-26 11348 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC304553  Grindelia hirsutula A. D. E. Elmer 1903-6-1 4267 San Mateo Crystal Springs Lake Comment
  POM58290  Grindelia hirsutula C. F. Baker 1902-5-10 812 San Mateo Summit of Coast Range. Comment
  UC1118555  Grindelia hirsutula G. E. Sindel 1935-7-25 309 San Mateo 0.25 mi n of Pescadero Creek (near mouth) Santa Cruz Quadrangle 6 Comment
  UC520425  Grindelia hirsutula J. A. Moore and J. A. Steyermark 1931-8-7 3684 San Mateo South San Francisco 0 Comment
  CAS-BOT-BC304539  Grindelia hirsutula Alice Eastwood; John Thomas Howell 1939-7-9 7440 San Mateo Skyline Blvd. east of La Honda Comment
  JROH814  Grindelia hirsutula John H. Thomas 1961-6-14 9538 San Mateo Jasper Ridge Biological Preserve, Stanford University; in "parking area" at Searsville end of Lake 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
  JROH817  Grindelia hirsutula John H. Thomas 1973-6-15 16848 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET10614592 Image available Grindelia hirsutula Wilhelm N. Suksdorf 1913-6-23 Suksdorf 279 San Mateo Crystal Springs Lake. Comment
  SJSU15766  Grindelia stricta var. angustifolia Toni Corelli 2011-8-31 721 b San Mateo Pescadero State Beach and Marsh Natural Preserve. Along Butano Trail on levy along Butano Creek. 3 Comment
  RSA0116908  Grindelia stricta var. angustifolia Lyman Benson 1945-7-29 11839 San Mateo Bayshore Highway at San Carlos. 3 Comment
  RSA502346  Grindelia stricta var. platyphylla D. W. Taylor 1988-6-5 9789 San Mateo Hwy 1 at 'Big Slide,' a steep, eroding section of coastal bluff 1 mile N of Montara; Santa Cruz Mountains. 76 Comment
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Aug 25 2016
  CAS-BOT-BC282867  Hainardia cylindrica A. G. Vestal 1926-5-1 s.n. San Mateo San Pedro Point Comment
  RSA121240  Hainardia cylindrica A. Hormay 1932-5-29 17 San Mateo San Bruno. Comment
  UC1146645  Hainardia cylindrica Freed W. Hoffman 1941-6-1 2238 San Mateo South Coast Ranges, along Bayshore Highway Bayshore Highway; South Coast Ranges, Bayshore Highway Comment
  JROH838  Helenium puberulum John Hunter Thomas 1977-6-16 18744 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH840  Helenium puberulum John Hunter Thomas 1980-11-27 20178 San Mateo Jasper Ridge Biological Preserve, Stanford University; along causeway Comment
  CAS-BOT-BC309533  Helenium puberulum George Oberlander 1949-7-30 318 San Mateo San Francisco Watershed Reserve. Pilarcitos Canyon Comment
  JROH860  Helianthella californica var. californica John Hunter Thomas 1988-5-3 24444 San Mateo Jasper Ridge Biological Preserve, Stanford University; near dam Comment
  JROH850  Helianthella californica var. californica John H. Thomas 1963-5-1 10043 San Mateo Jasper Ridge Biological Preserve, Stanford University; at western end of ridge Comment
  JROH1831  Helianthemum scoparium W. R. Dudley 1898-4-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1835  Helianthemum scoparium John H. Thomas 1968-5-22 14453 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC305922  Helminthotheca echioides Ira L. Wiggins 1979-8-26 22243 San Mateo Alley between Central and Woodland Avenues, running from Pope to Gilbert Streets, Menlo Park Comment
  CAS-BOT-BC314922  Hemizonia congesta subsp. luzulifolia A. D. E. Elmer 1903-6-1 4443 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC314947  Hemizonia congesta subsp. luzulifolia A. D. E. Elmer 1903-5-1 4805 San Mateo Crystal Springs Lake Comment
  LA203705  Hemizonia congesta subsp. luzulifolia LeRoy Abrams; 1914-7-15 5140 San Mateo Crystal Springs Comment
  UC193423  Hemizonia congesta subsp. luzulifolia H. M. Hall 1916-7-13 10225 San Mateo 2.2 km e Crystal Springs Lake (from along road n of creek and up side of hill to n); San Mateo Creek Comment
  CAS-BOT-BC314925  Hemizonia congesta subsp. luzulifolia W. R. Dudley 1909-4-27 s.n. San Mateo Crystal Springs Reservoir, Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC314944  Hemizonia congesta subsp. luzulifolia H. M. Hall 1916-7-14 10227 San Mateo North of Belmont Comment
  SEINET6205044  Hemizonia corymbosa L. S. Rose 1965-1 65100 San Mateo Skyline Blvd & Halt Moon Bay Rd Comment
  RSA81629  Hemizonia corymbosa subsp. corymbosa James I. McMurphy 1906-11-17 2 San Mateo Near Portola. Comment
  RSA0001284  Hemizonia grandiflora L. R. Abrams 1902-5-11 2446 San Mateo Crystal Springs. Comment
  POM360314  Hemizonia luzulifolia D. D. Keck 1932-5-6 1492 San Mateo East side of Crystal Springs Lake. 61 Comment
  RSA81560  Hemizonia luzulifolia James I. McMurphy 1908-8-20 s.n. San Mateo Near causeway, between lakes, Crystal Springs Reservoir. Comment
  RSA124753  Hemizonia luzulifolia subsp. rudis John H. Thomas 1958-11-22 7507 San Mateo Jasper Ridge, 5 miles SW of Palo Alto. 152 Comment
  RSA212183  Hemizonia luzulifolia subsp. rudis L. S. Rose 1970-7-26 70078 San Mateo Hillsborough, Black Mountain, Skyline Blvd. 122 Comment
  UC1084378  Heracleum lanatum G. Thomas Robbins 1937-4-11 75 San Mateo along Skyline Blvd. s. of San Francisco Comment
  JROH250  Heracleum maximum John H. Thomas 1975-4-30 17845 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC310249  Hesperevax sparsiflora var. sparsiflora L. R. A. 1902-5-4 2417 San Mateo Woodside Comment
  JROH880  Hesperevax sparsiflora var. sparsiflora John H. Thomas 1955-5-6 4980 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH893  Hesperevax sparsiflora var. sparsiflora John Hunter Thomas 1981-5-25 20643 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC310246  Hesperevax sparsiflora var. sparsiflora John H. Thomas 1974-4-11 17126 San Mateo To the SE of Canada Road and Edgewood Road. NW of Woodside 152 Comment
  CAS-BOT-BC310248  Hesperevax sparsiflora var. sparsiflora Ned Cahill 1975-2-21 405 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  RSA187337  Hesperolinon congestum Fay Gilbert 1920-6-1 s.n. San Mateo Back of Redwood City. Comment
  JROH2923  Hesperolinon micranthum John H. Thomas 1963-5-15 10093 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2929  Hesperolinon micranthum D. E. Breedlove 1971-5-31 19382 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  CAS-BOT-BC422603  Hesperomecon linearis A. D. E. Elmer 1903-6-1 4594 San Mateo San Bruno Hills Comment
  CAS-BOT-BC148466  Heteromeles arbutifolia W. R. Dudley 1904-12-7 s.n. San Mateo East of Baker's Beach - Santa Cruz Mountain Peninsula Comment
Read comments
Oct 11 2021
  HSC67230  Heteromeles arbutifolia Richard Spjut 1980-5-15 6195 San Mateo Palo Alto Foothill Park along Steep Hollow Trail, 1/4 mi. from jct. with Wildhorse Valley 229 Comment
  JROH3677  Heteromeles arbutifolia John H. Thomas 1965-12-19 11459 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1128087  Heteromeles arbutifolia G. E. Sindel 1935-7-23 295 San Mateo 1/4 mi n of Pescadero Creek 121 Comment
  JROH904  Heterotheca grandiflora John Hunter Thomas 1982-9-23 21163 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH907  Heterotheca grandiflora John Hunter Thomas 1991-11-21 25110 San Mateo Jasper Ridge Biological Preserve, Stanford University; SLAC corridor Comment
  JEPS125948  Heterotheca sessiliflora subsp. bolanderi D. W. Taylor 2000-7-20 17537 San Mateo Montara Mountain, on Montara State Beach, along dirt road 1 mile W from North Peak. 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
  RSA0063100  Heuchera micrantha var. hartwegii I. L. Wiggins 1929-7-4 3776 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  SEINET191615  Heuchera micrantha var. pacifica L. S. Rose 1941-7-2 41289 San Mateo Kings Mt 610 Comment
  SEINET9737076  Heuchera micrantha var. pacifica L. S. Rose 1941-7-2 41289 San Mateo Kings Mountain 600 Comment
  CAS-BOT-BC319638  Hieracium albiflorum Josephine D. Randall 1907-6-29 81 San Mateo Kings Mt. Road, Santa Cruz Peninsula Comment
  POM52661  Hieracium albiflorum C. F. Baker 1902-1-15 236 San Mateo Kings Mountain. West side of King's Mountain. Comment
  HSC23782  Hieracium albiflorum Mary Katherine Wicksten 1971-6-17 56 San Mateo Huddart Park; near Werder Flat, on the road to family campground Comment
  OBI49218  Hieracium albiflorum Lewis S. Rose 1939-6-16 39279 San Mateo Kings Mtn 671 Comment
  RSA18499  Hieracium albiflorum C. B. Wolf 1927-7-14 621 San Mateo 1 mile south of summit of Kings Mt on Skyline Drive. Comment
  SEINET3147704  Hieracium albiflorum L. S. Rose 1939-6-16 39279 San Mateo Kings Mtn. 671 Comment
  CAS-BOT-BC55433  Hirschfeldia incana Ira L. Wiggins 1975-8-5 22174 San Mateo Bed of San Francisquito Creek, ca. 100 m above Pope Street bridge, both sides of Santa Clara--San Mateo line. Comment
  CAS-BOT-BC289250  Holcus lanatus Elizabeth McClintock 1974-11-8 s.n. San Mateo North side of Guadalupe Parkway in the saddle, San Bruno Mountain 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
  UC311487  Holodiscus discolor A. D. E. Elmer Jun 1903 4274 San Mateo San Mateo Comment
  CAS-BOT-BC150054  Holodiscus discolor var. discolor Margaret A. Barry 1937-6-24 180 San Mateo On Coal Mine Ridge Comment
  CAS-BOT-BC150057  Holodiscus discolor var. discolor Jay B. Walker; Noah Goldstein 1994-8-14 908 San Mateo Pomponio Creek Road. 5 km south of jct Hwy 84 and Hwy 1 10 Comment
  JROH3689  Holodiscus discolor var. discolor John H. Thomas 1971-5-30 15982 San Mateo Jasper Ridge Biological Preserve, Stanford University. Woods near dam Comment
  SEINET10966310  Hookera terrestris Charles F. Baker 1902-4-6 Baker 462 San Mateo Crystal Springs Lake, California. Locally common on grassy slopes. Comment
  CAS-BOT-BC284675  Hordeum brachyantherum subsp. brachyantherum A. D. E. Elmer 1903-6-1 4851 San Mateo Crystal Springs Lake Comment
  JROH5230  Hordeum brachyantherum subsp. californicum John Hunter Thomas 1981-5-19 20607 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC285044  Hordeum depressum John Thomas Howell 1953-5-20 28969 San Mateo Redwood City Comment
  CAS-BOT-BC285047  Hordeum depressum Le Roy Abrams 1901-5-1 1651 San Mateo Cooley's Landing 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
  CAS-BOT-BC289457  Hordeum murinum subsp. leporinum John H. Thomas 1963-5-20 10152 San Mateo Ano Nuevo Island about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  CAS-BOT-BC289461  Hordeum murinum subsp. leporinum Javier Penalosa 1963-3-30 2765 San Mateo Guadalupe Valley, San Bruno Mountain 30 Comment
  JEPS71235  Hordeum murinum subsp. leporinum William S. Cooper 1924-11-19 35 San Mateo Ano Nuevo Point Comment
  POM352478  Hordeum murinum subsp. leporinum Edith A. Purer 1933-7-27 5372 San Mateo Two miles south of Pigeon Point Comment
  CAS-BOT-BC271351  Hordeum vulgare John H. Thomas 1969-4-24 14922 San Mateo Near Canada College, Redwood City, near Farm Hill Drive Comment
  RSA498673  Horkelia californica E. A. Purer 1933-7-27 5341 San Mateo Pigeon Point Comment
  UC1536910  Horkelia californica Gordon H. True Jr. 1936-6-14 508 San Mateo Canyon s Salada Beach 304 Comment
  CAS-BOT-BC536154  Horkelia californica David D. Keck 1939-7-1 5008 San Mateo 3 miles south of Pescadero, 1 mile from the ocean 60 Comment
  UCD113402  Horkelia californica Lewis S. Rose 1966-8-20 66086 San Mateo San Bruno Mountain, head of Colma Canyon. 205 Comment
  SBBG32394  Horkelia californica var. californica L. S. Rose 1966-8-20 San Mateo head of Colma Cyn, San Bruno Mtn 205 Comment
  SEINET6755152  Horkelia cuneata subsp. sericea A. A. Heller 1906-6-8 8374 San Mateo Near Ocean View, San Francisco. ( on the Lake Merced side of the Ocean Shore tracks) Comment
  CAS-BOT-BC143922  Horkelia cuneata var. sericea W. R. Dudley 1901-5-11 s.n. San Mateo Near 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
  UC936149  Hydrocotyle moschata O. M. Scott and Sons 1950-4-10 San Mateo San Mateo Comment
  UCD128238  Hydrocotyle sibthorpioides O. M. Scott and Sons 1950-4-10 s.n. San Mateo San Mateo. Comment
  UCD160239  Hypericum canariense Christopher Dillis 2015-5-15 1 San Mateo South of Pescadero on Hwy 1 (Cabrillo Hwy), 400 m south of Highway Brewing Company, then east 200 m on unmarked 1-lane dirt road; 60 m north-northeast of intersection with Old Coast Highway. 200 Comment
  UCD160241  Hypericum canariense Christopher Dillis 2015-5-15 4 San Mateo South of Pescadero on Hwy 1 (Cabrillo Hwy), 400 m south of Highway Brewing Company, then east 120 m on unmarked 1-lane dirt road; 10 m southwest of intersection with Old Coast Highway. 200 Comment
  CAS-BOT-BC311479  Hypochaeris radicata J. H. Thomas 1949-10-16 1155 San Mateo Just north of outlet of San Gregorio Creek Comment
  CAS-BOT-BC311492  Hypochaeris radicata A. D. E. Elmer 1903-4-1 4861 San Mateo Lake San Andreas Comment
  JROH933  Hypochaeris radicata John Hunter Thomas 1981-10-25 20775 A San Mateo Jasper Ridge Biological Preserve, Stanford University; on causeway Comment
  UC1598591  Hypochaeris radicata A. D. E. Elmer 1903-4-1 4861 San Mateo Lake San Andreas Comment
  UC1206487  Iris douglasiana Le Roy Abrams 1902-5-11 2441 San Mateo San Mateo Canyon Comment
  RSA171165  Iris douglasiana Robert F. Thorne, Percy C. Everett 1963-6-9 32240 San Mateo On top of San Bruno Mountain. 335 Comment
  CAS-BOT-BC133655  Iris longipetala C. F. B. 1902-3-22 348 San Mateo South San Francisco Comment
  SJSU7515  Iris longipetala Lewis S. Rose 1968-3-26 68009 San Mateo S base San Bruno Mts, S San Francisco 30 Comment
  CAS-BOT-BC133652  Iris longipetala Elmer I. Applegate 1895-3-3 282 San Mateo Purissima Comment
  UC311543  Iris macrosiphon A. D. E. Elmer May 1903 4503 San Mateo Portola Comment
  RSA32647  Iris missouriensis Carl B. Wolf 1943-3-3 11443 San Mateo Visitation Point, along the Bayshore Highway, just north of community of Brisbane 61 Comment
  JROH4431  Iris pseudacorus John R. Barth 1963-4-13 4 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake 103 Comment
  JROH4435  Iris pseudacorus M. Whitley 1990-4-27 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. By floats in Searsville Lake. Comment
  UC184381  Isocoma menziesii var. vernonioides Harriet A. Walker 1915-9-19 3833 San Mateo near Uncle Tom's Cabin; road to Burlingame Comment
  CAS-BOT-BC57729  Isoetes howellii W. R. Dudley 1910-5-26 s.n. San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC112608  Isolepis cernua Herbert L. Mason 1921-6-2 s.n. San Mateo Pebble Beach near Pescadero Comment
  CAS-BOT-BC112609  Isolepis cernua John Hunter Thomas 1955-7-17 5290 San Mateo Along the coast, 1.6 miles S of Dolan Creek. 91 Comment
  CAS-BOT-BC112614  Isolepis cernua LeRoy Abrams; Ira L. Wiggins 1956-7-2 56117 San Mateo Skyline Blvd. Hills W of San Mateo. 182 Comment
  CAS-BOT-BC112617  Isolepis cernua Ira L. Wiggins; Roxana S. Ferris 1939-8-2 9290 San Mateo Ano Nuevo Point Comment
  JEPS63785  Isolepis cernua J. Burtt Davy 1893-6-17 San Mateo Belmont Belmont (mdw back of salt marsh) Comment
  POM267963  Isolepis cernua Jens Clausen 1939-7-1 1745 San Mateo Ano Nuevo Point. Comment
  CAS-BOT-BC112606  Isolepis cernua Guy Thomas Robbins 1958-9-1 3934 San Mateo At edge of Cordonices Creek near its mouth, just E of the Eastshore Freeway Comment
  SEINET4170785 Image available Isolepis cernua Malcolm A. Nobs, S. Galen Smith 1949-8-15 1565 San Mateo Marshes at sharp Park Comment
  SEINET7589109 Image available Isolepis cernua Lewis S. Rose 1956-7-2 56117 San Mateo Skyline Blvd, hills W of San Mateo. 183 Comment
  CAS-BOT-BC102323  Juglans hindsii Ed Holm; Field Biol. Class, San Mateo High School 1984-7-24 s.n. San Mateo In creekbed of San Mateo Creek next to Polhemus Rd. just before it joins Crystal Springs Rd. and about 100 yds. below Comment
  JROH2774  Juglans hindsii John H. Thomas 1980-11-18 20174 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2777  Juglans hindsii John Hunter Thomas 1987-4-16 24203 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4522  Juncus John H. Thomas 1973-3-12 16487 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSC008165  Juncus Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  UC652559  Juncus ambiguus Ira L. Wiggins and Roxana S. Ferris 1939-8-2 9291 San Mateo Ano Nuevo Point Comment
  CAS-BOT-BC352225  Juncus arcticus var. balticus Peter Rubtzoff; Elizabeth McClintock 1989-8-31 10044 San Mateo San Bruno Mountains, near Willow Pond (located near Saddle Trail), ca. 0.15 miles north of junction with Old Guadalupe Trail. Comment
  JROH4446  Juncus bolanderi John Hunter Thomas 1977-6-16 18805 San Mateo Jasper Ridge Biological Preserve, Stanford University. Delta in Searsville Lake; Delta in Searsville Lake. Comment
  SEINET3559014 Image available Juncus bufonius Lewis S. Rose 1932-6-26 s.n. San Mateo Pilarcitos Lake. Comment
  SEINET3877711  Juncus bufonius Kaye H. Thorne, J. Chandler 1986-7-25 4944 San Mateo Half Moon Bay, 2 mi S of Moss Beach at Dune Beach. Sand dunes and beach area adjacent to the Pacific Ocean.; 0 Comment
  RSA17947  Juncus bufonius var. bufonius Carl B. Wolf, Le Roy Abrams 1927-6-4 s.n. San Mateo Pescadero. Comment
  JROH4466  Juncus bufonius var. occidentalis John H. Thomas 1974-4-4 17086 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5596  Juncus effusus subsp. pacificus John Rawlings 2014-2-4 1206 San Mateo Jasper Ridge Biological Preserve, Stanford University; ecotone between dominant Salix exigua on sandy lake shore and Typha angustifolia in drying Searsville lake bed, 50 m south of the boat landing and lab. 104 Comment
  CAS-BOT-BC176164  Juncus effusus var. pacificus Peter Rubtzoff; Roman Gankin 1975-9-11 8373 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  CAS-BOT-BC176167  Juncus lescurii Peter Rubtzoff 1977-11-24 9145 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  UCSC007263  Juncus lescurii Randall Morgan 1987-4-29 s.n. San Mateo Ravine in 1st big gorge north of 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
  RSA368314  Juncus patens J. Doty 1969-3-26 599 San Mateo San Mateo County: 100 yards E of jct Hwy 35 & 92, near summit of Caost Range, San Francisco Peninsula. Comment
  UCD163589  Juncus phaeocephalus Peter Rubtzoff 1980-8-4 9561 San Mateo Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Westernmost part of the area on slope across fence. Comment
  JROH4504  Juncus phaeocephalus var. paniculatus John Rawlings 2010-5-19 1058 San Mateo Jasper Ridge Biological Preserve, Stanford University. West edge of California semaphore grass vernal depression. 122 Comment
  JROH4507  Juncus xiphioides John H. Thomas 1973-4-14 16568 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4516  Juncus xiphioides John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4048  Kickxia spuria John Hunter Thomas 1981-10-25 20772 San Mateo Jasper Ridge Biological Preserve, Stanford University; near main gate Comment
  SJSU15448  Koeleria gerardi John Rawlings 2012-5-27 1105 San Mateo Near high point of Dusk-footed Woodrat Trail (north loop trail), Pulgas Ridge Open Space Preserve (MROSD). 246 Comment
Read comments
Jun 7 2017
  JEPS23959  Lactuca saligna John H. Thomas 1959-8-22 8074 San Mateo about 5 mi sw Palo Alto; Jasper Ridge 152 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-BC341633  Lagophylla ramosissima LeRoy Abrams 1902-9-28 3003 San Mateo Portola Comment
  JROH959  Lagophylla ramosissima John H. Thomas 1961-4-29 9192 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH969  Lagophylla ramosissima Carol Zabel, Ann Lambrecht, John Rawlings 2004-8-25 0053 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC272430  Lamarckia aurea W. R. Dudley 1906-5-19 s.n. San Mateo Hillside toward Cordilleras Creek and Whipple Road on Britton Ranch west of Redwood City, Santa Cruz Peninsula Comment
  CAS-BOT-BC339087  Lasthenia californica Kenton L. Chambers 1956-6-20 1046 San Mateo Pebble Beach near Pescadero Point Comment
  CDA33782  Lasthenia californica D. G. Kelch 2011-3-13 11 .047 San Mateo Pacifica. Along sea bluffs Comment
  CAS-BOT-BC339084  Lasthenia californica W. R. Dudley No date on label s.n. San Mateo Ocean View near San Francisco Comment
  CAS-BOT-BC339094  Lasthenia californica W. R. Dudley 1899-5-14 s.n. San Mateo About hills southwest of Baden Comment
  JROH972  Lasthenia californica subsp. californica John H. Thomas 1957-4-16 6657 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS67909  Lasthenia glaberrima L. R. Heckard and J. H. Thomas 1972-4-16 2892 San Mateo ca 1.5 s Pulgas Water Temple (sw of Upper Crystal Springs Reservoir, along Old Canada road (private)) 121 Comment
  CAS-BOT-BC355539  Lasthenia glabrata var. glabrata John H. Thomas 1956-4-8 5629 San Mateo Near Bayshore Highway about 2 miles east of Redwood City Comment
  CAS-BOT-BC355542  Lasthenia glabrata var. glabrata John H. Thomas 1954-4-2 3793 San Mateo 1.5 miles east of center of Redwood City 0 Comment
  CAS-BOT-BC355538  Lasthenia glabrata var. glabrata John H. Thomas 1997-4-11 17135 San Mateo to the SE of Canada Road and Edgewood Road; NW of Woodside 152 Comment
  CAS-BOT-BC355545  Lasthenia glabrata var. glabrata Roxana S. Ferris 1927-4-28 6866 San Mateo Redwood City Comment
  UCSC007017  Lasthenia minor Randall Morgan 1988-6-5 1235 San Mateo Pescadero, Pigeon Point - Parking area N of Lighthouse Comment
  UCD106475  Lathyrus vestitus A. A. Heller 1907-4-20 8454 San Mateo San Bruno Hills. Comment
  POM19359  Lathyrus vestitus subsp. vestitus C. F. Baker 652 San Mateo Kings Mountain. Comment
  JROH2041  Lathyrus vestitus var. vestitus John Hunter Thomas 1992-4-23 25157 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Rattlesnake Rocks and along trail to redwoods Comment
  JROH2036  Lathyrus vestitus var. vestitus John Hunter Thomas 1984-4-8 23277 A San Mateo Jasper Ridge Biological Preserve, Stanford University; near weather station Comment
  RSA176876  Lavatera cretica John H. Thomas 1964-4-30 10335 San Mateo Near intersection of El Camino Real and F St, Colma Comment
  CAS-BOT-BC323182  Layia chrysanthemoides John Thomas Howell 1933-5-26 11343 San Mateo Crystal Springs Lake Comment
  UCR70763  Layia chrysanthemoides Donald A. Johansen 1933-5-27 803 San Mateo San Francisco Bay Region, along Skyline Blvd. at junction of side road leading to Burlingame 193 Comment
  POM298210  Layia chrysanthemoides D. D. Keck 1932-5-6 1488 San Mateo 4 miles west of Burlingame, on the Skyline Blvd. Comment
  SEINET11811294  Layia chrysanthemoides Unknown 1932-1 9101 San Mateo above Spring Valley Lake Comment
  UC30645  Layia gaillardioides J. Burtt Davy 1895-4-20 1081 San Mateo San Mateo Creek Comment
  UC913051  Layia gaillardioides David D. Keck 1932-6-1 1798 San Mateo 1. 5 mi ne of La Honda; Santa Cruz Mountains 213 Comment
  JEPS22902  Layia hieracioides John H. Thomas 1958-5-10 7158 San Mateo 5 mi sw Palo Alto; Searsville Lake 152 Comment
Read comments
Jul 14 2009
  JEPS82095  Layia hieracioides Rimo Bacigalupi with Jim Roof and L. Heckard 1961-4-24 7621 San Mateo lateral ridge below and se of end of paved ridge-top road just e KRON television tower and station (Guadalupe Valley side of mt.); San Bruno Mountain 304 Comment
  JROH6201  Layia hieracioides John Rawlings 2014-5-6 1230 San Mateo Jasper Ridge Biological Preserve, Stanford University; on the top of Trevor's Knoll, about 70 m north of Trail 10. 181 Comment
  UCR70738  Layia hieracioides David D. Keck 1932-5-11 1760 San Mateo Santa Cruz Mtns, Above Searsville Lake, on La Honda Road, E slope of mountains. 250 Comment
  CAS-BOT-BC327463  Layia hieracioides V. F. Hesse 1952-5-12 936 San Mateo Seabluff 7 miles N of Davenport 30 Comment
  CAS-BOT-BC382083  Layia platyglossa Arthur Spiegler 1969-6-20 884 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  JROH998  Layia platyglossa John H. Thomas 1975-4-3 17703 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC382077  Layia platyglossa George Oberlander 1949-5-21 157 San Mateo On top of Sawyer Ridge Comment
  CAS-BOT-BC382093  Layia platyglossa John H. Thomas 1971-5-2 15795 San Mateo Near interesection of Canada Road and Edgewater [Edgewood?] Road, about 3 miles westward from Redwood City 152 Comment
  CAS-BOT-BC382217  Layia platyglossa David D. Keck 1932-6-18 1980 San Mateo Skyline Blvd. at Langley HIll (SW of Stanford Unviersity) 600 Comment
  POM54371  Layia platyglossa subsp. platyglossa A. D. E. Elmer 1903-04 5022 San Mateo Crystal Springs Lake. Comment
  POM88088  Layia platyglossa subsp. platyglossa L. R. Abrams 1902-5-11 2442 San Mateo Crystal Springs Lake. Comment
  JROH4535  Lemna minor John Hunter Thomas 1978-7-2 19252 San Mateo Jasper Ridge Biological Preserve, Stanford University; on dam Comment
  JROH2790  Lepechinia calycina John H. Thomas 1971-5-30 15970 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  LA64432  Lepechinia calycina Lewis S. Rose; 1933-6-9 33225 San Mateo Belmont Comment
  CAS-BOT-BC89140  Lepidium didymum Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo San Bruno Mountains. Below parking lot. Comment
  CAS-BOT-BC89219  Lepidium draba J. H. Thomas 1956-4-27 4920 San Mateo Along Bayshore Highway, east of San Carlos. Comment
  CAS-BOT-BC311787  Lepidium latifolium John Thomas Howell 1978-7-18 53189 San Mateo At Airport Sheraton, Airport Blvd., Burlingame Comment
  CDA3808  Lepidium latifolium J. T. Howell 1978-7-18 53189 San Mateo Airport Sheraton, Airport Boulevard., Burlingame 0 Comment
  CAS-BOT-BC12598  Lepidium nitidum H. A. Dutton 1900-2-1 s.n. San Mateo Santa Cruz Peninsula. Woodside. Comment
  JROH1552  Lepidium nitidum John Hunter Thomas 1983-2-21 21283 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC10674  Lepidium nitidum Mrs. Brandegee 1892-4-9 San Mateo South San Francisco Comment
  SJSU8368  Lepidium oxycarpum A. H. Lilleberg 1961-4-9 San Mateo SE of Redwood City Marina, Redwood City Comment
  CAS-BOT-BC12844  Lepidium pinnatifidum Phillip C. Wheeler 1965-6-19 s.n. San Mateo San Bruno Mountain. Brisbane Lagoon. Comment
  CAS-BOT-BC12950  Lepidium strictum Walter Knight; Irja Knight 1965-5-16 1201 San Mateo San Bruno Mountains. Crocker Avenue. Comment
  POM176894  Lepidium strictum Helen M. Edwards 1917-2-8 s.n. San Mateo Stanford University. Campus. Comment
  CAS-BOT-BC226601  Leptosiphon ambiguus Lewis S. Rose 1948-5-16 48115 San Mateo Emerald Lake, hills w. of Redwood City 152 Comment
  POM279122  Leptosiphon androsaceus Lyman Benson 1928-4-16 156 San Mateo Summit Searsville Ridge. Stanford University. 152 Comment
  CAS-BOT-BC226624  Leptosiphon grandiflorus W. R. Dudley 1896-7-30 s.n. San Mateo Summit of hill just beyond La Honda Comment
  POM65858  Leptosiphon liniflorus L. R. Abrams 1901-05 1562 San Mateo Woodside Comment
  RSA107079  Leptosiphon liniflorus L. S. Rose 1956-5-7 56068 San Mateo Skyline Blvd west of San Mateo. 183 Comment
  RSA0103656  Leptosiphon parviflorus H. L. Mason 1935-5-21 8315 San Mateo Pebble Beach, Pescadero. Comment
  SD67317  Leptosiphon pygmaeus subsp. continentalis F. Howe 1967-4-14 San Mateo 7 miles from San Mateo on road to Half Moon Bay 399 Comment
  SJSU15218  Leptosiphon rosaceus Toni Corelli 2010-5-10 626 San Mateo Pillar Point Air Force Station 28 Comment
Read comments
Jan 23 2015
  RSA0103661  Leptosiphon rosaceus P. H. Raven 1950-4-30 1954 San Mateo Montara. 9 Comment
  CAS-BOT-BC324056  Lessingia arachnoidea L. R. Abrams 1902-9-21 2996 San Mateo Crystal Lake Comment
  CAS-BOT-BC324058  Lessingia arachnoidea W. R. Dudley 1909-10-10 s.n. San Mateo East side of Crystal Springs Reservoir Comment
  CAS-BOT-BC324059  Lessingia arachnoidea Lewis S. Rose 1954-8-29 54111 San Mateo East side of Crystal Springs Lake Comment
  UC1280011  Lessingia arachnoidea Peter H. Raven 1957-9-1 11301 San Mateo along Skyline Boulevard at Woodside Road Comment
  SEINET879065 Image available Lessingia bakeri C. F. Baker 1902-1 1834 San Mateo Searsville. Comment
  RSA0001373  Lessingia bakeri C. F. Baker 1902-10-20 1834 San Mateo Searsville. Comment
  SJSU15429  Lessingia germanorum Toni Corelli 2011-9-14 720 b San Mateo Northeast of Hillside Park, above houses 107 Comment
  JROH1018  Lessingia glandulifera var. glandulifera John Hunter Thomas 1981-5-19 20608 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC324184  Lessingia hololeuca LeRoy Abrams 1900-10-1 1004 San Mateo Portola Comment
  JROH1033  Lessingia hololeuca John H. Thomas 1972-8-18 16153 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  CAS-BOT-BC257355  Leucanthemum vulgare Peter Rubtzoff 1988-5-12 9922 San Mateo San Bruno Mountain, Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road Junction, near old Guadalupe Road between Bog Trail and Saddle Trail junctions. Comment
  CAS-BOT-BC342091  Leucanthemum vulgare Elizabeth McClintock; Paul Reeberg 1987-6-12 s.n. San Mateo San Bruno Mountains. Along road to Camp Silverspot Comment
  CDA32468  Leymus condensatus T. C. Fuller, I. J. Campbell 1959-1 2595 B San Mateo F. Stelle Ranch, Ano Nuevo Point 0 Comment
  CAS-BOT-BC272325  Leymus mollis John H. Thomas 1963-5-20 10148 San Mateo Ano Nuevo Island about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  CAS-BOT-BC272186  Leymus triticoides Paul Reeberg 1988-10-31 s.n. San Mateo At mouth of ravine west of quarry, San Bruno Mountains Comment
  CAS-BOT-BC272188  Leymus triticoides John H. Thomas 1962-5-20 10113 San Mateo Ano Nuevo Island about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  CAS-BOT-BC272189  Leymus triticoides John H. Thomas 1960-6-25 8799 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-BC436528  Ligusticum apiifolium A. A. Heller 1907-4-20 8456 San Mateo San Bruno Hills Comment
  JEPS17501  Ligusticum apiifolium R. L. Pendleton 1907-4-20 627 San Mateo Colma 182 Comment
  CAS-BOT-BC436529  Ligusticum apiifolium Elizabeth McClintock 1972-4-23 s.n. San Mateo San Bruno Mountain, above Fern Rock Comment
  JROH2981  Ligustrum lucidum John Hunter Thomas 1978-5-23 19223 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC451672  Lilaea scilloides W. R. Dudley 1909-10-31 s.n. San Mateo Santa Cruz Mountain Peninsula. Woodside valley pond Comment
  CDA36142  Limonium binervosum Michael Perlmutter 2011-6-15 San Mateo Burlingame, Sanchez Marsh. 0 Comment
  CDA36723  Limonium binervosum Michael Perlmutter 2011-6-15 San Mateo South San Francisco; Oyster Point Marina. 0 Comment
  CAS-BOT-BC238362  Limosella aquatica W. R. Dudley 1909-10-10 s.n. San Mateo The Santa Cruz Mountain Peninsula. Near boat-landing of Club-House, Crystal Springs Reservoir Comment
  UC106676  Linanthus androsaceus Katharine Brandegee 1905-6-20 San Mateo near Lake Pilarcitos Comment
  SEINET8729325 Image available Linanthus androsaceus subsp. croceus Herbert L. Mason 1935-1 8315 San Mateo Pebble Beach, Pescadero Comment
  JEPS30889  Linanthus liniflorus J. H. Thomas 1958-5-13 7166 San Mateo about 3 mi sw San Mateo (along Skyline Blvd, 0.3 mi s of intersection of Skyline Blvd with Black Mt Rd) 304 Comment
  CDA6306  Linaria purpurea T. C. Fuller 1968-10-3 17659 San Mateo Christie s Crescent Nursery, Half Moon Bay. 0 Comment
  CDA6307  Linaria purpurea T. C. Fuller 1968-10-3 17659 San Mateo Christie s Crescent Nursery, Half Moon Bay. 0 Comment
  JROH2940  Linum bienne Ann Lambrecht 2002-5-18 2 San Mateo Jasper Ridge Biological Preserve, Stanford University; Sand Hill Road fence line Comment
  RSA135809  Linum usitatissimum John H. Thomas 1954-4-3 3824 San Mateo San Gregorio Creek drainage, 1.2 miles inland from San Gregorio. 61 Comment
  POM270415A  Lithocarpus densiflorus var. densiflorus Lyman Benson 1932-7-25 3952 San Mateo Kings Mt. above Woodside; San Francisquito Cr. watershed. 305 Comment
  JROH3889  Lithophragma affine John H. Thomas 1979-4-12 19449 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3890  Lithophragma affine John Hunter Thomas 1981-4-23 20468 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  CAS-BOT-BC430773  Lithophragma affine Elizabeth McClintock 1963-2-16 s.n. San Mateo Romanzoffia Ravine, San Bruno Mountain Comment
  POM142561  Lithophragma affine subsp. affine C. F. Baker 1902-4-4 443 San Mateo Crystal Springs Lake Comment
  JROH5903  Lithophragma heterophyllum M. Ray 1982-5-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 1 before reaching redwoods coming from the Dam Comment
  JROH740  Logfia gallica John Hunter Thomas 1981-5-8 20552 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC342471  Logfia gallica George Oberlander 1950-4-16 705 San Mateo San Francisco Watershed Reserve. Near San Andreas Lake Comment
  CAS-BOT-BC283233  Lolium multiflorum Ned Cahill 1974-4-29 176 San Mateo Near the intersection of Canada and Edgewood Rds, about 3 miles W from Redwood City Comment
  RSA6410  Lolium perenne D. D. Keck 1932-5-6 1474 San Mateo Millbrae Highlands Comment
  JEPS17133  Lomatium dasycarpum subsp. dasycarpum W. L. Jepson 1914-3-22 5737 a San Mateo Redwood City Comment
  POM132620  Lomatium dasycarpum subsp. dasycarpum C. F. Baker 1902-4-6 461 San Mateo Crystal Springs Lake. Comment
  HSC21554  Lomatium dasycarpum subsp. dasycarpum L. S. Rose 1965-4-22 65027 San Mateo San Bruno Mountain, S of parking lot 579 Comment
  JROH280  Lomatium macrocarpum John H. Thomas 1975-5-26 17909 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1368794  Lomatium macrocarpum David H. French 1968-4-19 2857 San Mateo w. Redwood City (s.e. of Upper Crystal Springs Reservoir, s.e. side Edgewood Rd., ca. 100 yds. n.e. of intersection w/ Canada Rd.) Comment
  CAS-BOT-BC240584  Lonicera hispidula Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountain. Radio Road Comment
  CAS-BOT-BC240587  Lonicera hispidula David D. Keck 1932-8-13 1753 San Mateo Alpine Creek Road above Rolph's Ranch, east slope of Santa Cruz Mtns. 550 Comment
  JROH1652  Lonicera hispidula John H. Thomas 1970-7-5 15664 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM46687  Lonicera hispidula var. vacillans A. D. E. Elmer 1903-06 4255 San Mateo Crystal Springs Lake. Comment
  POM46744  Lonicera hispidula var. vacillans Edward L. Greene 1901-9-2 1533 San Mateo Crystal Springs Lake. Comment
  RSA120037  Lonicera hispidula var. vacillans G. H. Mallory 1919-10 s.n. San Mateo Near Searsville Lake; Santa Cruz Mountain Peninsula. Comment
  CAS-BOT-BC241542  Lonicera involucrata var. ledebourii Walter Knight; Irja Knight 1965-4-4 s.n. San Mateo San Bruno Mountains. Bitter Cherry Ravine about 60% of the way to the summit Comment
  UC139415  Lonicera involucrata var. ledebourii C. F. Baker 1903-4-8 1918 San Mateo San Andreas Lake Comment
  SBBG25074  Lotus corniculatus D. Myrick 1966-6-11 1448 San Mateo near Pescadero off Hwy 1 Comment
  SFV4289  Lotus corniculatus J. Turner, F. M. Ball 1962-7-7 s. n. San Mateo Highway 1, almost 10 miles north of Santa Cruz County line Open roadside. 30 Comment
  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
  RSA276357  Lotus corniculatus Jane Turner, Francis M. Ball 1962-7-7 1088 San Mateo Highway 1, ca. 10 miles N of Santa Cruz County line. Comment
  POM264394  Lotus formosissimus E. K. Crum 1934-4-29 1701 San Mateo South of Pescadero. 30 Comment
  UC81142  Lotus formosissimus Katharine Brandegee Jun 1905 San Mateo Moss Beach near Halfmoon Bay; Moss Beach Comment
  SEINET12154207  Lotus micranthus Unknown 1932-1 9017 San Mateo Gov. Rolph Estate Comment
  POM87746  Lotus wrangelianus L. R. Abrams 1902-5-11 2438 San Mateo Crystal Springs Lake. Comment
  UC1594176  Lotus wrangelianus Jerry Powell 1991-5-14 1602 San Mateo Edgewood Park Comment
  JROH3081  Ludwigia peploides subsp. peploides M. Whitley 1990-5-28 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; by the floats Comment
  CAS-BOT-BC60245  Lunaria annua Emma Millett 1917-4-4 s.n. San Mateo Kings Mountain. Comment
  JEPS83227  Lupinus Adele Lewis Grant 1917-3-6 938 San Mateo Pebble Beach near Pescadero; near Pescadero, Pebble Beach 3 Comment
  JROH5696  Lupinus affinis John Rawlings 2013-4-2 1414 San Mateo Jasper Ridge Biological Preserve, Stanford University. Bank above Rd E at eastern terminus of Trail 13. 110 Comment
  UC81978  Lupinus affinis C. F. Baker 1902-4-6 473 San Mateo Crystal Springs Lake Comment
  SEINET10488355  Lupinus affinis David B. Dunn, Howard Brown 1946-5-16 Dunn 2601 San Mateo At the top of canyon road. 0.7 Mile e of the junction with skyline blvd, Junction being 20.8 miles from bridge on n side of boulder creek, on the summit Of the rolling hills of san francisco penninsula Comment
  SEINET12154347  Lupinus albicaulis L. K. Henry 1956-1 s.n. San Mateo along Pacific Ocean, at Pigeon Pt. Lighthouse on Rt 1 Comment
  UC201970  Lupinus albifrons A. D. E. Elmer May, 1903 4643 San Mateo Belmont Comment
  SEINET10969885  Lupinus albifrons Donald E. Bright 1962-4-16 Bright 225 San Mateo Disturbed roadside, 8 miles ne of santa cruz, near graham hill and sims road, Along hwy 17. Bushy plant ca 2 ft high and 3-4 ft broad Comment
  CAS-BOT-BC195802  Lupinus albifrons var. albifrons Charles Piper Smith 1922-6-10 3548 San Mateo South San Francisco - mountain road 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
  POM177245  Lupinus albifrons var. albifrons L. R. Abrams 1904-4-10 38 San Mateo San Mateo Canyon, Santa Cruz Mts. 122 Comment
  CAS-BOT-BC195783  Lupinus albifrons var. albifrons Charles Piper Smith 1948-4-23 48144 San Mateo Sharps Park cutoff, 1/2 mile east Comment
  CAS-BOT-BC195813  Lupinus albifrons var. albifrons W. R. Dudley 1894-4-21 s.n. San Mateo Ravine of San Mateo Creek 3 miles above town Comment
  CAS-BOT-BC196106  Lupinus albifrons var. collinus Javier Penalosa 1963-3-9 2685 San Mateo 1/2 mi. east of 1314 ft. summit 304 Comment
  CAS-BOT-BC196108  Lupinus albifrons var. collinus Elizabeth McClintock 1964-4-17 s.n. San Mateo San Bruno Mountain Comment
  CAS-BOT-BC196109  Lupinus albifrons var. collinus Javier Penalosa 1963-3-30 2725 San Mateo North of Randolph Drive at Hillside Blvd. in SSF 91 Comment
  CAS-BOT-BC196114  Lupinus albifrons var. collinus R. Hoffough 1929-5-18 611 San Mateo Crystal Springs Lake - Skyline Blvd near San Francisco Comment
  CAS-BOT-BC196117  Lupinus albifrons var. collinus M. S. Jussel 1931-4-18 s.n. San Mateo Colma Canyon Comment
  CAS-BOT-BC196131  Lupinus albifrons var. collinus Alice Eastwood 1914-3-12 3759 San Mateo San Bruno Hills Comment
  UCD106267  Lupinus albifrons var. collinus A. A. Heller 1907-4-25 8462 San Mateo San Bruno Hills. Comment
  CAS-BOT-BC27392  Lupinus apricus C. P. Smith 1908-5-2 1427 San Mateo Stanford University. Stockfarm bridge. Comment
  UC1073375  Lupinus arboreus George B. Rossbach 1955-5-29 318 San Mateo Ano Nuevo Point; sw San Mateo County Comment
  UCD106613  Lupinus arboreus Eric Davidson 1971-6-28 330 San Mateo Half Moon Bay State Park. Comment
  CAS-BOT-BC196436  Lupinus arboreus J. Ed. McClellan; Bonnie McClellan 1976-6-7 s.n. San Mateo Jeep Fire Trail, Butano State Park Comment
  UC1303121  Lupinus bicolor James McMurphy 1911-4-22 San Mateo near Stanford University Stanford Park; , Stanford Park Comment
  UC155172  Lupinus bicolor A. A. Heller 1911-4-12 10250 San Mateo near Stanford University; near Stanford University Comment
  RSA0036527  Lupinus formosus Daisie Huang 2006-8-6 06080603 San Mateo Inside San Francisco Water Authority land. 288 Comment
  SEINET12154566  Lupinus latifolius Unknown 1932-1 8979 San Mateo nr entrance to Gov Rolph Estate Comment
  RSA91267  Lupinus latifolius subsp. latifolius D. D. Keck 1932-5-11 1770 San Mateo Three miles west of Kings Mountain, on road to Tunitas, west slope of Santa Cruz Mountains. 450 Comment
  CAS-BOT-BC8455  Lupinus microcarpus var. densiflorus W. R. Dudley 1894-3-26 s.n. San Mateo West of San Mateo Comment
  SEINET7076097 Image available Lupinus nanus A. G. Vestal 1955-5-31 s.n. San Mateo Near Pebble Beach off Route 1. (NAD 27; 37.2369? deg. North Latitude, 122.4153? deg. West Longitude, UTM Zone 10, 551863mE, 4121109mN). [GPS Coordinate: WGS84/NAD83]. Comment
  UC138034  Lupinus nanus C. F. Baker 1902-4-12 507 San Mateo San Gregorio Comment
  SJSU10761  Lupinus nanus H. L. Elliot 1958-5-31 129 San Mateo Jasper Ridge 7 mi NW of Stanford Univ Comment
  RSA413810  Lupinus nanus subsp. nanus D. D. Keck 1932-5-11 1769 San Mateo Two miles north of San Gregorio. 15 Comment
  SEINET10451625  Lupinus nanus subsp. nanus P. Wheeler 1965-5-8 Wheeler UMO 104190 San Mateo Sierra point. Comment
  UC201953  Lupinus succulentus A. D. E. Elmer June, 1903 4681 San Mateo San Pedro Comment
  RSA212124  Lupinus succulentus L. S. Rose 1970-5-9 70039 San Mateo Chateau Drive near Skyline, Hillsborough. 91 Comment
  RSA3803  Lupinus vallicola subsp. apricus L. R. Abrams 1914-4-20 5128 San Mateo At the confluence of Los Troncos and San Francisquito creeks. Comment
  SEINET10490286  Lupinus vallicola subsp. apricus David B. Dunn, Howard Brown 1946-5-16 Dunn 2600 San Mateo Collected on dry, rocky road out in the e side of the mtns of the san francisco Peninsula; 4.7 mi ne on the canyon rd from the jct with skyline drive (hwy 5). Comment
  SJSU16062  Lupinus variicolor Toni Corelli 2010-4-9 515 San Mateo Rockaway Headlands, southwest of Rockaway Beach, Pacifica Comment
  UC511346  Lupinus variicolor Lyman Benson 1931-3-3 2619 San Mateo Ocean Bluff Moss Beach, Ocean Bluff (Moss Beach) 30 Comment
  POM190281  Lupinus variicolor D. D. Keck 1932-5-11 1967 San Mateo Two miles north of San Gregorio. 15 Comment
  SEINET12154794  Lupinus variicolor M. T. Doutt 1931-1 422 San Mateo Skyline Blvd, W of Hillbrae Comment
  UCD109673  Lupinus variicolor P. B. Kennedy 1921-6-3 s.n. San Mateo back of Millbrae Ranch. Comment
  JROH5726  Luzula comosa var. comosa John Rawlings 2015-3-15 1652 San Mateo Jasper Ridge Biological Preserve, Stanford University; small opening off trail 8 in oak woodland. 126 Comment
  UCR228239  Luzula subsessilis Peter F. Zika 2010-5-1 24790 San Mateo San Francisco Bay, Santa Cruz Mountains, southeast shore of Alpine Pond 660 Comment
  UC1191550  Lythrum hyssopifolia Malcolm A. Nobs, S. Galen Smith 1949-8-26 1578 San Mateo about 1 mi s of Half Moon Bay Comment
  UC19773  Lythrum hyssopifolia J. Burtt Davy 1893-6-17 777 San Mateo Belmont Comment
  RSA0011328  Lythrum hyssopifolia Jane Turner, Francis M. Ball 1962-7-7 1081 San Mateo Highway 1, ca. 10 miles N of Santa Cruz County line. Comment
  SEINET10452840  Lythrum hyssopifolia Mary Susan Taylor 1978-8-30 Taylor 1874 San Mateo Comment
  CAS-BOT-BC342588  Madia Paul Reeberg 1989-5-30 s.n. San Mateo San Bruno Mountains. Owl Canyon Comment
  CAS-BOT-BC342589  Madia Cherie Wetzel 1969-7-28 994 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  CAS-BOT-BC342590  Madia Cherie Wetzel 1969-7-8 926 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  UC729632  Madia elegans Carl B. Wolf 1929-5-17 3713 San Mateo 1 mi w Skyline Blvd. (on Alpine Road) 304 Comment
  CAS-BOT-BC343901  Madia elegans George Oberlander 1949-9-25 369 San Mateo San Francisco Watershed Reserve. North of San Andreas L. Comment
  POM177455  Madia elegans subsp. densifolia L. R. Abrams, I. L. Wiggins 1930-11-13 173 -A San Mateo Hillside above Crystal Springs Lake Comment
  JROH1039  Madia exigua John H. Thomas 1958-5-10 7141 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1096  Madia gracilis John Hunter Thomas 1992-5-14 25226 San Mateo Jasper Ridge Biological Preserve, Stanford University; near boat ramp Comment
  JROH5633  Madia gracilis John Rawlings 2014-5-23 1229 San Mateo Jasper Ridge Biological Preserve, Stanford University. 20 meters west of Road C and 20 meters south of Trail 18. 127 Comment
  RSA120834  Madia madioides S. S. Tillett, I. Sternback 1956-6-24 529 San Mateo Middleton property, behind (N.) Portola Camp Store, just outside Portola State Park. 396 Comment
  CAS-BOT-BC345140  Madia sativa John H. Thomas 1961-8-27 9695 San Mateo Colma. Open sandy field near intersection of El Camino Real and F Street 45 Comment
  JROH1106  Madia sativa John Hunter Thomas 1981-7-24 20726 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC345132  Madia sativa David D. Keck 1941-7-1 1869 San Mateo Base of Montara Mountain, near Montara 91 Comment
  CAS-BOT-BC345135  Madia sativa Ernest C. Twisselmann 1957-8-25 4022 San Mateo Skyline Boulevard, about 5 miles south of Woodside 518 Comment
  OBI15706  Madia sativa Lewis S. Rose 1966-8-6 66078 San Mateo San Bruno Mtn, head of Colma Cyn 213 Comment
  CAS-BOT-BC511333  Maianthemum dilatatum Elizabeth McClintock 1963-6-9 s.n. San Mateo San Bruno Mountain, exposed slopes below top of mountain Comment
  CHSC20345  Maianthemum racemosum L. A. Wright Jr. 1971-4-4 21 San Mateo 0.6 miles on Bean Hollow Road off of Pescadero Road, ca. 1.0 mi e of Highway 1. About 10 ft off of the n edge of the road. 60 Comment
  JROH4698  Maianthemum racemosum John Hunter Thomas 1985-4-22 23544 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC512101  Maianthemum racemosum subsp. amplexicaule L. S. Rose 1927-3-25 s.n. San Mateo Spring Valley Lakes Comment
  CHSC57106  Maianthemum stellatum Steven Triano 1988-5-24 208 San Mateo Along s side of Old La Honda Road ca 0.3 mi e of its jct. With La Honda Road. 365 Comment
  JROH4709  Maianthemum stellatum John Hunter Thomas 1977-6-16 18746 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC514162  Maianthemum stellatum W. R. Dudley 1893-2-19 s. n. San Mateo Road from La Honda to Alpine Comment
  CAS-BOT-BC514165  Maianthemum stellatum Margaret A. Barry 1937-4-21 14 San Mateo Woods on Coal Mine Ridge Comment
  SD39132  Maianthemum stellatum Edith A. Purer 1933-4-11 3634 San Mateo Between Pescadero and Pegeon Point. Comment
Read comments
Oct 11 2021
  SEINET3992466  Maianthemum stellatum Unknown 1950-4-6 1809 San Mateo Shaded canyon above Visitation Valley, San Bruno Mountains Comment
  RSA176727  Malacothamnus arcuatus John H. Thomas 1962-6-6 9906 San Mateo Jasper Ridge Biological Expermental Area, about 5 miles SW of Palo Alto; just above Searsville Lake. Comment
Read comments
Nov 5 2009
  UC871285  Malacothamnus davidsonii Alice Eastwood 1912-6-10 346 San Mateo Crystal Springs Comment
  JROH2959  Malacothamnus fasciculatus John H. Thomas 1969-5-28 15085 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2960  Malacothamnus fasciculatus D. E. Breedlove 1971-5-31 19352 San Mateo Jasper Ridge Biological Preserve, Stanford University. This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC540128  Malus domestica Elizabeth McClintock; Paul Reedberg 1988-4-14 s.n. San Mateo 80 feet east of SBM park entrance, along north side of Guadalupe Canyon Parkway; San Bruno Mountains 213 Comment
  SEINET7247931  Malva arborea Bob Schmalzel 1974-1 s.n. San Mateo Growing along highway 1 200 yards from the Pacific Ocean 9 miles south of Half Moon Bay. 9 Comment
  UCD116405  Malva arborea Ellen Dean; Tom Starbuck, Margaret Starbuck 2005-10-16 2745 San Mateo Town of Miramar, N of Half Moon Bay. Along Mirada Rd. on coastal bluff overlooking beach. Comment
  CAS-BOT-BC206683  Malva assurgentiflora John H. Thomas 1967-5-2 12734 San Mateo Colma, near Hillside Blvd. at Cypress Lawn Cemetery Comment
  UCR122979  Malva nicaeensis George K. Helmkamp, E. A. Helmkamp 2001-6-2 6789 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
  JROH2970  Malva nicaeensis John Hunter Thomas 1983-5-23 22240 B San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack side & low-flow crossing Comment
  SEINET7247993  Malva nicaeensis Richard A. Dodge 1957-1 31 San Mateo Canyon in San Bruno City Limits, just south of Sneath Lane, between Junipero Serra Boulevard, and State Highway 5. 183 Comment
  UCD116691  Malva pseudolavatera John Thomas Howell 1968-5-26 44502 San Mateo Burlingame. Comment
  JROH1898  Marah fabacea James Newman 1951-4-21 41 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake Comment
  UC1746099  Marah fabacea Annetta Carter, Helen Sharsmith 1937-5-23 1320 San Mateo N end of Crystal Springs Lake. Comment
  UCR101645  Marah fabacea George K. Helmkamp, E. A. Helmkamp 1998-5-16 3740 San Mateo Portola Valley, Golden Hills Rd along Los Trancos Creek 107 Comment
  UCSB18109  Marah fabacea Hutchinson, Sandra 1964-3-24 San Mateo Around Crystal Springs Lake, Sawyer Camp Road, about 0.3 mile off Skyline Blvd., the entrance off of Millbrae Avenue 106 Comment
  POM88005  Marah oregana L. R. Abrams 1902-4-13 2341 San Mateo San Andreas Lake. Comment
  CAS-BOT-BC422674  Meconella californica C. F. Baker 1902-4-6 457 San Mateo Crystal Springs Lake Comment
  JEPS73667  Meconella californica Dr. L. M. Newlon 1920-3-27 San Mateo South San Francisco hills Comment
  CAS-BOT-BC422677  Meconella californica W. R. Dudley 1894-3-26 s.n. San Mateo Santa Cruz Peninsula. By road San Mateo to Crystal Springs Res. Comment
  CAS-BOT-BC157962  Medicago polymorpha var. brevispina Peter Rubtzoff 1977-6-21 9057 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. In East Fork Colma Creek area Comment
  CDA9441  Melica californica D. G. Kelch 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  CAS-BOT-BC264244  Melica torreyana Phillip C. Wheeler 1965-5-18 s.n. San Mateo Near base of mountain at Olivet Cemetery, San Bruno Mountain Comment
  CAS-BOT-BC264247  Melica torreyana Peter H. Raven 1950-6-3 2245 San Mateo Around San Andreas Lake Comment
  CAS-BOT-BC264256  Melica torreyana Walter Knight; Irja Knight 1965-5-12 s.n. San Mateo Southwest Canyon, San Bruno Mountain Comment
  JROH5315  Melica torreyana John H. Thomas 1975-5-26 17904 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA159421  Melica torreyana John H. Thomas 1961-5-14 9374 A San Mateo Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. San Francisco Watershed Reserve. 152 Comment
  JROH2192  Melilotus indicus John Hunter Thomas 1982-5-18 20933 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  SEINET6627797 Image available Mentha spicata D. Aronson 1967-1 153 San Mateo East Palo Alto Comment
  UCD142326  Mercurialis annua T. C. Fuller 1958-10-16 1444 San Mateo Pedro Valley, E of Sanchez Adobe House, S of Linda Mar Blvd. Comment
  UC1191375  Mesembryanthemum nodiflorum Malcolm A. Nobs 1948-12-20 721 San Mateo Redwood City, yacht harbor Redwood City Comment
  CAS-BOT-BC428901  Micranthes californica Margaret A. Barry 1938-3-13 233 San Mateo On Coal Mine Ridge Comment
  JROH1117  Micropus californicus var. californicus Hester Bavis 1920-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1121  Micropus californicus var. californicus John H. Thomas 1963-5-12 10085 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1125  Micropus californicus var. californicus John Hunter Thomas 1980-5-8 19949 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1151  Microseris douglasii subsp. douglasii John Hunter Thomas 1992-5-5 25211 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM52854  Microseris douglasii subsp. douglasii A. D. E. Elmer 1903-05 4721 San Mateo Crystal Springs Lake Comment
  UC92164  Microseris douglasii subsp. douglasii C. F. Baker 1902-5-4 808 San Mateo Woodside; ; Woodside, San Mateo Co. Comment
  JROH1155  Microseris douglasii subsp. tenella John Rawlings, Ann Lambrecht 2007-4-18 1040 San Mateo Jasper Ridge Biological Preserve, Stanford University. Road F in Area H. 170 Comment
  JROH4068  Mimulus aurantiacus var. aurantiacus W. R. Dudley 1893-7-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lake Comment
  RSA420292  Mimulus aurantiacus var. aurantiacus Glenn A. Gorelick 1967-5-24 s.n. San Mateo San Bruno Mountains, overlooking Daly City near San Francisco Comment
  UC1080543  Mimulus aurantiacus var. aurantiacus S. S. Tillett and I. Sternback 1956-6-25 539 San Mateo along road into Portola State Park 396 Comment
  UCR75957  Mimulus aurantiacus var. aurantiacus D. M. Thompson 1992-6-3 1105 San Mateo 1.2 mi south of Hwy 35 (Skyline Blvd) along Hwy 84 (La Honda Road) 378 Comment
  JROH4078  Mimulus cardinalis John H. Thomas 1961-6-14 9544 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  POM5152  Mimulus cardinalis A. D. E. Elmer 1903-07 4941 San Mateo Lake San Andreas. Comment
  UC306596  Mimulus cardinalis A. D. E. Elmer July, 1903 4941 San Mateo Lake San Andreas Comment
  RSA217981  Mimulus guttatus Walter Knight, I. Knight 1963-7-14 274 San Mateo Base of Quarry 2. San Bruno Mtn. Comment
  CAS-BOT-BC388836  Minuartia douglasii H. A. Dutton 1900-3-11 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  JROH1703  Minuartia douglasii John Hunter Thomas 1981-4-29 20512 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM151593  Minuartia douglasii A. D. E. Elmer 1903-04 5042 San Mateo San Bruno Hills Comment
  CAS-BOT-BC388830  Minuartia douglasii W. R. Dudley 1897-6-5 s.n. San Mateo Santa Cruz Mountain Peninsula. Flat Rock, Waddell Creek Comment
  JROH1698  Minuartia douglasii John H. Thomas 1961-4-4 9044 D San Mateo Jasper Ridge Biological Preserve, Stanford University; near Westridge end of ridge Comment
  CAS-BOT-BC214080  Monardella villosa Margaret A. Barry 1937-6-22 158 San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC214086  Monardella villosa D. E. Breedlove 1974-5-13 36235 San Mateo San Pedro Valley Park, Pacifica 152 Comment
  RSA176713  Monardella villosa John H. Thomas 1963-6-23 10166 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles SW of Palo Alto Comment
  CAS-BOT-BC214062  Monardella villosa W. R. Dudley 1894-7-7 s.n. San Mateo Bear Gulch Road, Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC214072  Monardella villosa C. F. Leithold 1896-7-29 s.n. San Mateo Stanford University, Santa Cruz Peninsula Comment
  CAS-BOT-BC214088  Monardella villosa R. Bacigalupi 1946-7-6 2793 San Mateo Along Edgemar Road, 1 1/2 mi. above Edgemar, northern San Mateo Co. Comment
  CAS-BOT-BC214089  Monardella villosa H. M. Hall 1924-1-1 11958 San Mateo S.W. side Montara Mt. Comment
  UCD125292  Monardella villosa J. M Tucker 1951-8-6 2219 San Mateo On northwest-facing hillslope; M. R. Mattei ranch, ca. 1.5 miles northeast of Pescadero. Comment
  SEINET10582379  Monardella villosa subsp. franciscana A. Graff 1993-7-13 Graff 183 San Mateo Devil's Slide, in arroyos on inland side of Hwy. 1. Mostly past bloom. Coastal scrub. Comment
  SEINET10582380  Monardella villosa subsp. franciscana A. Graff 1993-7-13 Graff 187 San Mateo Devil's Slide, in arroyos on inland side of Hwy. 1. Mostly past bloom. Coastal scrub. Comment
  SEINET10862297  Monardella villosa subsp. franciscana A. Graff 1993-6-14 Graff 3 San Mateo 0.37 miles down Bean Hollow Road from its intersection with Pescadero Road, along right road cut. Windy, exposed, dry, steep, rocky cuts. Locally infrequent, with Artemisia californica, Baccharis pilularis, Mimulus aurantiacus, Eriophyllum stachaedifolium, Anaphalis margaritacea, Dudleya sp., Scrophularia californica, Eriogonum sp., grasses. Comment
  SEINET10928196  Monardella villosa subsp. franciscana A. Graff 1993-6-14 Graff 6 San Mateo 0.6 miles down Bean Hollow Road from its intersection with Pescadero Road, along right road cut. Windy, exposed, dry, steep, rocky cuts. Locally infrequent, with Artemisia californica, Baccharis pilularis, Mimulus aurantiacus, Eriophyllum stachaedifolium, Anaphalis margaritacea, Dudleya sp., Scrophularia californica, Eriogonum sp., grasses. Comment
  JROH2843  Monardella villosa subsp. villosa John Hunter Thomas 1980-6-5 19995 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2849  Monardella villosa subsp. villosa John Hunter Thomas 1983-6-29 22712 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC24050  Monardella villosa subsp. villosa Mary Katherine Wicksten 1971-6-24 115 San Mateo Huddart Park, by park entrance Comment
  RSA18087  Montia fontana subsp. variabilis C. B. Wolf 1929-4-29 3661 San Mateo 1 mile N of summit of La Honda Grade, Santa Cruz Mts. Comment
  CAS-BOT-BC445194  Montia parvifolia A. D. E. Elmer 1903-5-1 4577 San Mateo Iverson's Place Comment
  CAS-BOT-BC445197  Montia parvifolia W. R. Dudley 1909-4-27 s.n. San Mateo Santa Cruz Mountain Peninsula. Pulpit Rock, San Mateo Canon [Canyon] Comment
  CAS-BOT-BC508584  Muilla maritima C. F. Baker 1902-3-30 423 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC508587  Muilla maritima Lewis S. Rose 1965-3-25 s.n. San Mateo Gradalupe Road, San Bruno Mountain Comment
  CAS-BOT-BC101769  Myrica californica W. R. Dudley 1894-9-22 s.n. San Mateo Preston's Ravine, Portola Valley Comment
  CAS-BOT-BC101770  Myrica californica W. R. Dudley 1893-2-18 s.n. San Mateo near La Honda Comment
  CAS-BOT-BC101776  Myrica californica Ira L. Wiggins 1929-5-10 3678 San Mateo Roadside between Pigeon Point and Pescadero Comment
  CAS-BOT-BC101778  Myrica californica D. E. Breedlove 1973-9-26 35554 San Mateo Pescadero Creek County Park 365 Comment
  JROH2691  Myriophyllum aquaticum John H. Thomas 1974-6-30 17464 San Mateo Jasper Ridge Biological Preserve, Stanford University. At dam. Comment
  UC1101507  Myriophyllum sibiricum Malcolm A. Nobs and S. Galen Smith 1949-8-25 1553 San Mateo Marshes at Sharp Point. Comment
Read comments
Aug 8 2011
  UCSB279  Najas guadalupensis McPherson, D. 1960-08 San Mateo Felt Lake; Stanford University foothills Comment
Read comments
1
  SEINET7040215  Nama demissa A. G. Vestal 1962-3-26 s.n. San Mateo Laguna Salada. San Francisco South Quadrangle UTM Zone 10, 545384mE, 4164305mN. Comment
  CAS-BOT-BC259766  Nassella cernua Walter & Irja Knight 1965-5-15 s.n. San Mateo San Bruno Mountain. Pig Ranch Ravine 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-BC260241  Nassella pulchra Javier Penalosa 1963-3-9 2670 San Mateo San Bruno Mountain. SE of 1314 ft. summit 381 Comment
  POM199067  Nassella pulchra A. D. E. Elmer 1903-06 4712 San Mateo Crystal Springs Lake. Comment
  POM295470  Nassella pulchra Lyman Benson 1935-5-5 6519 San Mateo Lake Searsville. Stanford University. Santa Cruz Mtn range. S.F. Bay watershed. 152 Comment
  CDA20725  Nassella tenuissima L. Kuwahara 2006-6-1 PDR 1359399 San Mateo East side of Skyline Blvd., 3/4 mile south of State Hwy. 92. =Stipa tenuissima, 2nd confirmed natural occurrence, 3 (so far) reported. Potential pest. Comment
  CAS-BOT-BC60478  Nasturtium officinale Walter Knight; Irja Knight 1963-8-6 s.n. San Mateo San Bruno Mountain. Crocker Avenue. Comment
  CAS-BOT-BC60479  Nasturtium officinale George Oberlander 1949-5-21 146 San Mateo San Francisco Watershed Reserve. Along Pilarcitos Creek. Comment
  CAS-BOT-BC60481  Nasturtium officinale Daniel Cohen 1953-5-9 80 San Mateo Top of sea cliff at Pescadero. Comment
  JROH3198  Navarretia heterodoxa John Pelton 1958-6-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3202  Navarretia heterodoxa John Hunter Thomas 1982-7-2 21047 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
  JROH3215  Navarretia squarrosa John Hunter Thomas 1982-7-3 21063 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1124148  Navarretia squarrosa A. E. Wieslander 1935-2-3 504 San Mateo 0.5 mi se Pigeon Pt.; Santa Cruz Quad. 30 Comment
  UCR121584  Navarretia squarrosa George K. Helmkamp, E. A. Helmkamp 1999-6-28 4985 San Mateo Pescadero Creek Watershed, Pescadero Road just north of Loma Mar 107 Comment
  RSA17967  Navarretia viscidula C. B. Wolf 1927-8-13 712 San Mateo Summit La Honda Grade, Santa Cruz Mountains Comment
  SD38536  Nemophila menziesii Janet Turner 1933-4-19 3728 San Mateo Above Emerald Lake Comment
  UC606949  Nemophila parviflora L. Constance 1938-5-16 2241 San Mateo 5 mi sw San Mateo (near Crystal Springs Lake); sw of San Mateo, near Crystal Springs Lake 121 Comment
  UC75163  Nemophila parviflora C. F. Baker 1902-4-12 509 San Mateo La Honda Comment
  CAS-BOT-BC219484  Nemophila parviflora Kellogg; Brannan 1870-5-31 s.n. San Mateo Redwood Comment
  CAS-BOT-BC219487  Nemophila parviflora Mrs. E. C. Sutliffe 1933-5-25 s.n. San Mateo Purissima Canyon Comment
  JROH2744  Nemophila parviflora var. parviflora John H. Thomas 1969-4-20 14899 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2747  Nemophila parviflora var. parviflora Toni Corelli 2010-4-21 357 San Mateo Jasper Ridge Biological Preserve, Stanford University. Upslope of Trail 1, just east of landslide area 83 Comment
  UCSC007766  Nuttallanthus texanus Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC140424  Oemleria cerasiformis Elmer I. Applegate 1895-3-9 152 San Mateo Woodside Comment
  CAS-BOT-BC140427  Oemleria cerasiformis W. R. Dudley 1900-3-1 s.n. San Mateo By road N. of Summit Springs Comment
  CAS-BOT-BC140430  Oemleria cerasiformis John H. Thomas 1974-5-9 17327 San Mateo San Pedro Valley, Northern part of county, inland from Pacifica 152 Comment
  CAS-BOT-BC140438  Oemleria cerasiformis W. R. Dudley 1904-3-3 42 San Mateo Portola Valley, Santa Cruz Mts. Comment
  CAS-BOT-BC140439  Oemleria cerasiformis George Oberlander 1949-4-2 37 San Mateo Pilarcitos Canyon Comment
  CAS-BOT-BC140442  Oemleria cerasiformis John H. Thomas 1967-2-9 12400 San Mateo San Bruno, near intersection of Skyline Blvd. and Berkshire Dr. Comment
  CAS-BOT-BC140445  Oemleria cerasiformis A. D. E. Elmer 1903-3-1 4579 San Mateo Woodside Comment
  JROH3713  Oemleria cerasiformis John Hunter Thomas 1982-2-19 20801 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Goya Gate 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
  RSA195542  Oemleria cerasiformis John H. Thomas 1967-2-9 12400 San Mateo San Bruno. Near intersection of Skyline Blvd. and Berkshire Dr. Comment
  SJSU8084  Oemleria cerasiformis S. H. Casey 1969-4-17 227 San Mateo W facing slope of Colma Canyon, San Bruno Mt Comment
  RSA492539  Oenanthe sarmentosa Lyman Benson 1937-7-25 8476 San Mateo Lake Searsville; Mt. range: Santa Cruz; Drainage area: San Francisco Bay. 122 Comment
  RSA301273  Oenothera Andrew R. Moldenke 1975-9-6 3419 San Mateo Pigeon Point Comment
  SEINET12189806  Oenothera elata Unknown 1933-1 10375 San Mateo Boden Station, South san Francisco Comment
  SEINET12189809  Oenothera elata L. K. Henry 1956-1 s.n. San Mateo along Pacific Ocean at Pigeon Point Lighthouse on Rt 1 Comment
  UCSC004918  Oenothera elata Monica Larenas 1985-6-1 22 San Mateo Hwy 1, 1 mi N of Bean Hollow Comment
  UC652594  Oenothera elata subsp. hookeri L. R. Abrams and Ira Wiggins 1939-6-3 438 San Mateo 2 mi n Pigeon Point Lighthouse Comment
  JROH2994  Olea europaea John Hunter Thomas 1983-4-28 21778 San Mateo Jasper Ridge Biological Preserve, Stanford University; near green shack Comment
  JEPS11663  Orobanche californica subsp. californica Dr. L. M. Newlon 1919-9-7 68 San Mateo Pillar Point, northern end of Half Moon Bay. Comment
  SEINET199760  Orobanche californica subsp. californica Herbert L. Mason 1927-7-28 3983 San Mateo Pigeon Point Comment
  CAS-BOT-BC502777  Orobanche californica subsp. californica W. A. Setchell 1909-8-29 173 San Mateo Farallone City Comment
  CAS-BOT-BC238396  Orthocarpus Charles Piper Smith 1950-5-15 50143 San Mateo Pescadero Creek Bridge - Highway 1; 3.9 miles south Comment
  CAS-BOT-BC166766  Orthocarpus erianthus var. roseus Peter Rubtzoff 1979-4-7 9276 San Mateo San Bruno Mountains. South of the junction of Whittier Street with Frankfort Street, between it and Crocker Avenue. Comment
  POM286544  Orthocarpus faucibarbatus Lyman D. Benson 1930-5-1 2066 San Mateo Stanford University, San Lorenzo mtn range. 122 Comment
  POM15668  Orthocarpus lithospermoides A. D. E. Elmer 1903-06 4420 San Mateo Crystal Springs Lake. Comment
  SEINET12265143  Orthocarpus lithospermoides G. A. McCallum 1933-1 s.n. San Mateo in Spring Valley Comment
  RSA407968  Orthocarpus purpurascens Francis W. Pennell, D. D. Keck 1940-5-15 25418 San Mateo E of Upper Crystal Springs Lake, SW of San Mateo. 61 Comment
  POM126843  Orthocarpus pusillus R. L. Pendleton 1907-4-20 590 San Mateo Lake Merced. 46 Comment
  POM287588  Osmorhiza berteroi Lyman Benson 1930-5-3 2115 San Mateo Woods, above Woodside, Santa Cruz Mtns. 366 Comment
  RSA130338  Oxalis oregana M. N. paulson 1915-4-10 s.n. San Mateo Kings Mountain. Comment
  UCD18546  Oxalis oregana Roman Gankin 1950-7-9 15 San Mateo west side of the Peninsula Coast Range, 4 miles from La Honda, off San Mateo Memorial Park Rd, redwood belt. 30 Comment
  CAS-BOT-BC259639  Paspalum dilatatum Walter & Irja Knight; Peter Rubtzoff 1987-10-16 6071 San Mateo San Bruno Mountain, ca. 0.25 mile from Randolph Avenue on Old Bayshore Highway, South San Francisco 4 Comment
  JROH5341  Paspalum dilatatum John Rawlings 2010-8-19 1061 San Mateo Jasper Ridge Biological Preserve, Stanford University. Adjacent to caretakers residence. 106 Comment
  JROH5345  Paspalum distichum John H. Thomas 1964-11-5 10521 San Mateo Jasper Ridge Biological Preserve, Stanford University. East end of Searsville Dam Comment
  JROH4096  Pedicularis densiflora James Newman 1951-4-21 44 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake, above lake 91 Comment
  JROH4114  Pedicularis densiflora John H. Thomas 1976-4-2 18080 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4117  Pedicularis densiflora John Hunter Thomas 1981-5-25 20631 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM286385  Pedicularis densiflora Lyman Benson 1929-3-2 987 San Mateo East of Lake Searsville Comment
  RSA130980  Pedicularis densiflora A. M. Patterson 1907-4-27 s.n. San Mateo Kings Mt. Santa Cruz Peninsula. Comment
  RSA169354  Pedicularis densiflora L. S. Rose 1964-3-23 64013 San Mateo Emerald Lake, W of Redwood City. 122 Comment
  UCR131712  Pedicularis densiflora C. B. Wolf 1927-2-26 00221 San Mateo La Honda Grade 305 Comment
  JROH4106  Pedicularis densiflora Duncan M. Porter 1961-1-18 736 San Mateo Jasper Ridge Biological Preserve, Stanford University; Westridge end of Jasper Ridge Comment
  SEINET5564051  Pedicularis densiflora H. S. Gentry 1931-1 15 San Mateo Collected 1.5 miles W of San Mateo, Half-Moon Bay Road. Comment
  RSA125136  Pedicularis dudleyi E. F. Sprague 1957-5-26 1703 San Mateo Portola State Park, about campground headquarters 305 Comment
Read comments
Mar 2 2010
  LA96005  Pelargonium capitatum Jane Turner; Francis M. Ball 1962-7-7 1086 San Mateo Highway 1, ca. 10 mi. N of Sana Cruz Co. line Comment
  UCSC003377  Pelargonium grossularioides Randall Morgan 2001-5-5 3725 San Mateo south of Franklin Point, San Mateo County Comment
  CAS-BOT-BC207030  Pelargonium vitifolium J. H. Thomas 1959-8-16 8066 San Mateo About 2 miles north of Pigeon Point, along the coast 15 Comment
  CDA4422  Pelargonium vitifolium T. C. Fuller 1960-10-5 5198 San Mateo Along old highway right-of-way, Highway 1, 2.5 miles south of Pebble Beach State Park. 0 Comment
  JROH102  Pellaea andromedifolia John Hunter Thomas 1981-4-5 20268 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  POM281947  Pellaea mucronata Lyman Benson 1928-12-15 830 San Mateo La Honda Road, Santa Cruz Mountain Range 366 Comment
  JROH105  Pellaea mucronata var. mucronata L. R. Abrams 1916-3-27 5588 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Ridge Comment
  JROH6183  Pellaea mucronata var. mucronata John Rawlings 2017-12-19 2308 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near south border of Preserve just east of Westridge fork of Corte Madera Creek. 134 Comment
  RSA681602  Penstemon heterophyllus Annuschka Deb 1989-6-13 244 San Mateo Yerba Buena Nursery, next to prop house. Comment
  SJSU12769  Pentachaeta bellidiflora S. C. Sommers 1986-5-2 San Mateo W side Edgewood Park, W of Hwy 280 off Edgewood Rd, Redwood City Comment
  RSA0008522  Pentachaeta bellidiflora L. S. Rose 1948-3-31 48032 San Mateo Skyline Blvd. above San Andreas Lake. 152 Comment
  CAS-BOT-BC77009  Pentagramma triangularis subsp. triangularis Ira L. Wiggins 1928-4-14 2918 San Mateo Alpine Creek Road Comment
  CAS-BOT-BC355896  Pericallis hybrida Phillip C. Wheeler 1965-6-20 s.n. San Mateo San Bruno Mountain. Across road from KRON*TV Comment
  JROH3245  Persicaria amphibia John H. Thomas 1964-10-2 10510 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Searsville Lake near bridge. Comment
  JROH3254  Persicaria amphibia M. Whitley 1990-5-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near boat ramp Comment
  JROH3257  Persicaria amphibia John Hunter Thomas 1992-7-24 25386 San Mateo Jasper Ridge Biological Preserve, Stanford University. Boat ramp. Comment
  JROH3280  Persicaria maculosa Toni Corelli 2004-10-20 281 b San Mateo Jasper Ridge Biological Preserve, Stanford University; east of Road C, below low flow crossing, on a moist embankment 80 Comment
  UC1206459  Petasites frigidus var. palmatus Roxana S. Ferris 1918-3-30 750 San Mateo 1 mi above Evans Creek; Peters Creek Comment
  RSA144781  Phacelia californica John H. Thomas 1958-3-19 7045 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco. 30 Comment
  UC131689  Phacelia californica C. F. Baker 1902-5-1 690 San Mateo Crystal Springs Comment
  OBI48680  Phacelia distans Lewis S. Rose 1939-4-13 39065 San Mateo San Mateo Cyn near Crystal Springs lake 61 Comment
  JEPS3114  Phacelia divaricata James G. Daly 1934-1 156 San Mateo on ridge s road to La Honda; Santa Cruz Mountains Comment
  RSA128862  Phacelia divaricata W. R. Dudley 1896-4-4 s.n. San Mateo Near Crystal Springs Lake Comment
  SD67316  Phacelia imbricata Darley F. Howe 1967-4-14 4352 San Mateo 7.0 miles from San Mateo on road to Half Moon Bay. 121 Comment
  CDA40397  Phacelia nemoralis E. L. Labadie Jr. 1961-6-6 s.n. San Mateo Burlingame. 0 Comment
  JROH2764  Phacelia rattanii John H. Thomas 1961-6-7 9530 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC258930  Phalaris aquatica Elizabeth McClintock; Paul Reeberg 1988-5-23 s.n. San Mateo San Bruno Mountains. Along Harold Avenue, Brisbane 53 Comment
  JROH5361  Phalaris aquatica John Hunter Thomas 1982-6-7 21029 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5371  Phalaris aquatica John Hunter Thomas 1985-5-21 23660 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near boat house. Comment
  JROH5375  Phalaris aquatica W. Lennihan 1989-5-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Just to right before causeway at Whiskey Hill, on San Francisquito Creek. Comment
  UCR101609  Phalaris aquatica George K. Helmkamp, E. A. Helmkamp 1998-5-16 3743 San Mateo Portola Valley, Golden Hills Rd along Los Trancos Creek 107 Comment
  JROH5800  Phalaris aquatica John Rawlings 2005-5-15 0800 San Mateo Jasper Ridge Biological Preserve, Stanford University. Rd F through oak woodland, 7 yards east of its intersection with the south terminus of Trail 15 Comment
  JROH5380  Phalaris brachystachys John Rawlings 2005-5-25 1003 San Mateo Jasper Ridge Biological Preserve, Stanford University; 100 yards west from Escobar Gate, 20 yards north of Road F 161 Comment
  CAS-BOT-BC259012  Phalaris californica Ned Cahill 1974-5-18 296 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  RSA128340  Phalaris californica P. H. Raven 1950-6-3 2275 San Mateo along dry rivulet flowing into San Andrews Lake, Crystal Springs Lake 122 Comment
  UC204158  Phalaris californica A. D. E. Elmer June, 1903 4699 San Mateo Crystal Springs Lake Comment
  UCD88567  Phalaris californica P. B. Kennedy 1916-5-1 s.n. San Mateo Crocker Estate, Burlingame. Comment
  UCD88577  Phalaris californica P. B. Kennedy 1928-5-2 s.n. San Mateo E of Daly City. Comment
  CAS-BOT-BC250641  Phalaris minor David D. Keck 1932-5-6 1464 San Mateo Belmont Comment
  UC820505  Phalaris minor John Thomas Howell 1937-7-5 13099 San Mateo along Bayshore Highway Redwood City Comment
  RSA17944  Phalaris paradoxa C. B. Wolf, Le Roy Abrams 1927-6-4 s.n. San Mateo San Gregorio Comment
  JROH2767  Pholistoma auritum var. auritum John H. Thomas 1971-4-25 15790 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1974571  Phyllospadix torreyi Kristen Kusic 2002-11-21 San Mateo Pigeon Point Comment
  CAS-BOT-BC142184  Physocarpus capitatus W. R. Dudley 1894-4-21 s.n. San Mateo San Mateo Creek - Santa Cruz Peninsula Comment
  CAS-BOT-BC142187  Physocarpus capitatus James McMurphy 1902-5-11 s.n. San Mateo San Francisquito Creek Comment
  POM222904  Physocarpus capitatus J. P. Rose 1909-4-17 s.n. San Mateo Los Trancos Creek. 61 Comment
  SEINET11130514 Image available Pickeringia montana M. E. Springer 1946-9-1 739 San Mateo Road near Skyline Blvd. Comment
  CAS-BOT-BC202258  Pickeringia montana var. montana 1893-5-23 s.n. San Mateo Mountain above Woodside Comment
  SEINET3871791  Pinus attenuata K. Allred 1975-1-3 1267 San Mateo Half Moon Bay, Dune Beach.; 0 Comment
  CAS-BOT-BC78644  Pinus halepensis Elizabeth McClintock; Paul Reeberg 1988-4-6 s.n. San Mateo above Brisbane, on ridge 750 feet west of Brisbane Ravine 121 Comment
  UC400305  Pinus radiata none San Mateo Pescadero Coast Comment
  SEINET10530821  Pinus radiata Mary Susan Taylor 1978-8-30 Taylor 1866 San Mateo Comment
  CAS-BOT-BC136602  Piperia michaelii Josephine D. Randall 1907-7-4 279 San Mateo Field redacted by CAS, contact the data manager for more information Comment
  RSA0059036  Pityrogramma triangularis var. triangularis Lewis S. Rose 1938-2-23 38082 San Mateo Woodside. 152 Comment
  CAS-BOT-BC228027  Plagiobothrys Mary Nimitz 1952-5-10 77 San Mateo Top of Jasper Ridge above Searsville Lake Comment
  CAS-BOT-BC228141  Plagiobothrys chorisianus Alice Eastwood 1915-6-13 4717 San Mateo Granada Comment
  POM64748  Plagiobothrys chorisianus C. F. Baker 1902-3-30 429 San Mateo Crystal Springs Lake Comment
  RSA128819  Plagiobothrys chorisianus L. R. Abrams 1909-4-27 s.n. San Mateo Santa Cruz Mountain peninsula, near Crystal Springs Lake Comment
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Dec 2 2007
  UC586830  Plagiobothrys chorisianus David Keck 1938-5-30 4728 San Mateo Pescadero Comment
  UC78129  Plagiobothrys chorisianus T. S. Brandegee 1890-5-20 San Mateo Searsville Comment
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Nov 12 2007
  UCR70806  Plagiobothrys chorisianus David D. Keck 1932-4-18 1435 San Mateo San Francisco Bay Region, Burlingame; on the shore of San Francisco Bay 2 Comment
  CAS-BOT-BC228166  Plagiobothrys chorisianus var. chorisianus W. R. Dudley 1896-4-17 s.n. San Mateo Near Pebble Beach, Pescadero Comment
  CAS-BOT-BC228168  Plagiobothrys chorisianus var. chorisianus John H. Thomas 1961-5-7 9258 San Mateo San Bruno Mountain in N part of county 396 Comment
  POM287819  Plagiobothrys chorisianus var. chorisianus E. A. Purer 1933-7-27 5392 San Mateo 2 miles south of Pigeon Point. Comment
  CAS-BOT-BC228160  Plagiobothrys chorisianus var. chorisianus W. R. Dudley 1900-3-18 s.n. San Mateo The Santa Cruz Mountain Peninsula. Top of first summit E of Salada Valley Comment
  CAS-BOT-BC228170  Plagiobothrys chorisianus var. hickmanii David D. Keck 1938-5-30 4728 San Mateo Pescadero, on bluffs overlooking the ocean Comment
  SD39265  Plagiobothrys nothofulvus Edith A. Purer 1933-5-16 3648 San Mateo Alpine Road Comment
  SD129730  Plagiobothrys reticulatus var. reticulatus Roy E. Buck, James A. West 1985-4-29 527 San Mateo Cascade Ranch Comment
  JROH1435  Plagiobothrys tenellus P. R. Hickborn 1920-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SBBG25091  Plantago coronopus D. Myrick 1966-6-11 1449 San Mateo approach to Pescadero along Pescadero Crk Comment
  JEPS22019  Plantago elongata G. Thomas Robbins with S. Galen Smith 1958-6-9 3860 San Mateo .12 mi w State Highway 1 (0.5 mi n of bridge crossing Pescadero Creek) Comment
  JROH3107  Plantago erecta John H. Thomas 1955-5-6 5006 San Mateo Jasper Ridge Biological Preserve, Stanford University 182 Comment
  JROH3116  Plantago erecta John Hunter Thomas 1980-5-6 19929 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SBBG33953  Plantago erecta L. S. Rose 1966-5-2 San Mateo Emerald Lake, W of Redwood City 91 Comment
  HSC23935  Plantago erecta Mary Katherine Wicksten 1971-8-25 214 San Mateo Huddart Park Comment
  RSA101047  Plantago lanceolata G. Oberlander 1949-4-30 116 San Mateo San Andreas Lake, San Francisco Watershed Reserve. Comment
  JROH5882  Plantago lanceolata J. C. Gaither Jr. 1982-4-18 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; inside Sand Hill Road gate near old motorcycle racetrack Comment
  SBBG51590  Plantago lanceolata J. Doty 1969-3-26 597 San Mateo 100 yards E of the jct of State Hwy 35 and 92 Comment
  RSA19306  Plantago maritima L. S. Rose 1937-9-5 37645 San Mateo Mussel Rocks 61 Comment
  UC888462  Plantago maritima var. californica Lewis S. Rose 1937-9-5 37645 San Mateo Mussel Rocks 60 Comment
  JEPS7150  Plantago maritima var. californica G. Thomas Robbins 1953-8-29 3617 San Mateo just s Olympic Golf Club (and the San Francisco City and County line) Comment
  JROH3104  Platystemon californicus D. D. Davis 1903-4-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Ridge Comment
  SEINET3854600 Image available Platystemon californicus Lewis S. Rose 1933-5-17 33170 San Mateo Redwood City. Comment
  POM149360  Platystemon californicus var. californicus A. D. E. Elmer 1903-06 4853 San Mateo Crystal Springs Lake. Comment
  UC1018907  Plectritis brachystemon S. C. Dyal, C. G. Nast 1938-5-4 718 San Mateo 1 mi w of San Mateo Comment
  JROH4242  Plectritis congesta subsp. brachystemon John H. Thomas 1974-5-3 17239 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5878  Plectritis congesta subsp. brachystemon Diane Renshaw 2014-4-30 1222 San Mateo Jasper Ridge Biological Preserve, Stanford University; by fallen tree between Alan's Mountain (utility pole mound) and San Francisquito Creek 89 Comment
  JROH6205  Plectritis congesta subsp. brachystemon John Rawlings 2014-4-30 1222 San Mateo Jasper Ridge Biological Preserve, Stanford University; between south base of utility pole mound and San Francisquito Creek riparian corridor. 89 Comment
  CAS-BOT-BC6386  Plectritis congesta subsp. nitida Amos Arthur Heller 1907-5-28 8578 San Mateo Above Crystal Springs Lake Comment
  CAS-BOT-BC260961  Pleuropogon californicus var. californicus J. I. McMurphy 1906-5-8 s.n. San Mateo Road near head of Crystal Springs Lakes by road from Woodside to Byrnes Store Comment
  JROH5400  Poa annua John H. Thomas 1977-2-20 18466 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5618  Poa bulbosa subsp. vivipara John Rawlings 2014-5-3 1219 San Mateo Jasper Ridge Biological Preserve, Stanford University. At downhill side of trail 14 about midway between dam and road C, near the lone Amelanchier utahensis. 98 Comment
  CAS-BOT-BC254545  Poa douglasii Paul F. Covel No date on label 1533 San Mateo Moss Beach Comment
  CAS-BOT-BC246711  Poa howellii Margaret A. Barry 1937-5-15 93 San Mateo Coal Mine Ridge Comment
  SJSU7645  Poa kelloggii T. J. Sammis 1974-5-16 San Mateo redwood forest between Pescadero Road & Pescadero Creek c. 1 mi W of Loma Mar Comment
  CAS-BOT-BC237725  Poa secunda subsp. juncifolia Dr. E. B. Copeland 1903-4-20 1920 San Mateo San Andreas Lake Comment
  CAS-BOT-BC243111  Poa secunda subsp. secunda Holm 1903-4-20 1920 San Mateo San Andreas Lake, about hill tops Comment
  CAS-BOT-BC243120  Poa secunda subsp. secunda W. R. Dudley 1900-3-16 s.n. San Mateo By Redwood stage road Comment
  CAS-BOT-BC243126  Poa secunda subsp. secunda H. A. Dutton 1900-3-11 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  JROH5701  Poa secunda subsp. secunda John Rawlings 2015-4-7 1350 San Mateo Jasper Ridge Biological Preserve, Stanford University; rocky ridge crest of Jasper Ridge 175 Comment
  CAS-BOT-BC173841  Poa trivialis Peter Rubtzoff 1977-6-7 9030 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC244251  Poa unilateralis Louis F. Pitelka 1973-4-30 s.n. San Mateo Bolsa Point, about 1 mile N of Pigeon Point and about 39 miles S of San Francisco Comment
  JEPS101813  Poa unilateralis Dean W. Taylor 2000-4-25 17440 San Mateo along dirt road 1 mi W of North Peak, Montara Mountain 411 Comment
  JROH2863  Pogogyne serpylloides John Hunter Thomas 1982-5-18 20932 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA0022156  Pogogyne serpylloides John H. Thomas 1966-4-29 11588 San Mateo Jasper Ridge Biological experimental area, 5 miles SW of Palo Alto. Comment
  RSA112464  Polygala californica W. R. Dudley 1895-6-6 s.n. San Mateo Santa Cruz Mountains: Pescadero Creek Comment
  JROH3265  Polygonum aviculare subsp. depressum John Hunter Thomas 1982-7-22 21087 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Saersville Lab. Comment
  CAS-BOT-BC414236  Polygonum aviculare subsp. depressum Ira L. Wiggins 1980-8-29 22251 San Mateo Sandy bed of San Francisquito Creek, 100--200 m upstream from Pope Street Bridge, Menlo Park Comment
  SD27835  Polygonum paronychia Carl B. Wolf 1929-5-25 3726 San Mateo Pebble Beach so. of Pescadero Comment
  UCD100554  Polygonum patulum John Thomas Howell 1953-6-3 29057 San Mateo Bayshore Highway, Redwood City. Comment
  CAS-BOT-BC76946  Polypodium californicum Ned Cahill 1974-4-30 232 San Mateo Chaparral near the intersection of Canada and Edgewood Roads, about 3 mi westward from Redwood City. 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
  CAS-BOT-BC76908  Polypodium californicum W. R. Dudley 1897-1-1 s.n. San Mateo Santa Cruz Mountain Peninsula - by crossing of Butano Cr. below Sinnott's Comment
  CAS-BOT-BC76909  Polypodium californicum W. R. Dudley 1896-2-16 s.n. San Mateo Santa Cruz Mountain Peninsula - Devil's Canyon, Black Mountain Comment
  UCD136938  Polypodium californicum Lewis S. Rose 1964-2-6 64001 San Mateo Kings Mountain. 609 Comment
  UC42880  Polypodium calirhiza McLean 1873-1 San Mateo Pescadero Comment
  CAS-BOT-BC72109  Polypodium scouleri Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mt., Cable Ravine Comment
  CAS-BOT-BC233150  Polypogon interruptus L. R. Abrams 1927-7-15 12190 San Mateo Skyline Blvd back of South San Francisco Comment
  CAS-BOT-BC233158  Polypogon interruptus Robert Robertson 1954-4-14 76 San Mateo By roadside NW of Palo Alto Yacht Club 3 Comment
  CAS-BOT-BC233159  Polypogon interruptus H. A. Dutton 1900-4-29 s.n. San Mateo Santa Cruz Peninsula Comment
  CAS-BOT-BC237344  Polypogon monspeliensis Ned Cahill 1974-5-18 289 San Mateo Near the intersection of Canada and Edgewood roads, about 3 miles W from Redwood City Comment
  CAS-BOT-BC237347  Polypogon monspeliensis Margaret A. Barry 1937-6-22 176 San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC237356  Polypogon monspeliensis 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
  JROH5439  Polypogon monspeliensis H. J. Dengler 1961-7-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek not far from where it trends east from Jasper Ridge. Comment
  JROH5448  Polypogon monspeliensis John Hunter Thomas 1977-6-16 18785 San Mateo Jasper Ridge Biological Preserve, Stanford University. Dry lake bed Comment
  UC1100377  Polypogon monspeliensis Malcolm A. Nobs and S. Galen Smith 1949-8-25 1563 San Mateo Sharp Park; marshes around Sharp Park Comment
  UCD91350  Polypogon monspeliensis Herbert L. Mason; Verne Grant 1946-8-28 13094 San Mateo On Highway 5, about 3 miles south of Daly City Road. Comment
  SEINET10593598  Polypogon monspeliensis Delzie Demaree 1932-5-22 Demaree 9167 San Mateo Mud Lakes Los Francos Woods. Mud Lakes Comment
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Nov 1 2021
  CAS-BOT-BC237585  Polypogon viridis Peter Rubtzoff; Walter & Irja Knight 1987-6-26 9793 San Mateo San Bruno Mountains, saddle area on N side of Guadalupe junction, near road in the area of the uppermost part of East Fork Colma Creek in the NW corner of Fog Forest Comment
  JROH4822  Polypogon viridis John Rawlings 2011-8-2 1081 San Mateo Jasper Ridge Biological Preserve, Stanford University. Bed of San Francisquito Creek near Dennis Martin site. 71 Comment
  JROH45  Polystichum dudleyi Lawrence J. Winship 1974-11-2 1 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH46  Polystichum dudleyi Lawrence J. Winship 1974-11-2 2 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  CAS-BOT-BC6609  Polystichum dudleyi W. R. Dudley 1903-5-2 s.n. San Mateo Near bridge, Peter's Creek, Santa Cruz Mts. Comment
  CAS-BOT-BC72225  Polystichum dudleyi George Oberlander 1950-7-15 1026 San Mateo Pilarcitos Canyon Comment
  JROH50  Polystichum dudleyi Ann Lambrecht 2005-10-5 21 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below Trail 1 on creek bank just below redwood grove. Comment
  UC397065  Polystichum dudleyi unknown 1929-1 San Mateo 8 mi by road above Pescadero (Pescadero Creek) Comment
  CAS-BOT-BC76605  Polystichum munitum Margaret Barry 1938-5-29 267 San Mateo Corte Madera Creek, near Coal Mine Ridge. Comment
  UC150382  Polystichum munitum C. F. Baker 1902-1-15 321 San Mateo w side King's Mt. Comment
  CAS-BOT-BC389729  Polystichum munitum J. Lovelle 1973-7-22 24 San Mateo Mt. Ellen Comment
  CAS-BOT-BC76611  Polystichum munitum Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain - Quarry 3 Comment
  UC652560  Potamogeton gramineus Ira L. Wiggins and Roxana S. Ferris 1939-8-2 9292 San Mateo Ano Nuevo Point Comment
  CAS-BOT-BC453734  Potamogeton illinoensis George Oberlander 1949-8-20 386 San Mateo San Francisco Watershed Reserve. San Andreas Lake Comment
  SEINET3825842  Potamogeton lucens N. L. Gardner 1933-9-24 San Mateo Crystal Springs Lake Comment
  UC813943  Potamogeton nodosus Ira L. Wiggins and Roxana S. Ferris 1939-8-2 9292 San Mateo Ano Nuevo Point Comment
  CAS-BOT-BC453836  Potamogeton nodosus Ira L. Wiggins; Roxana S. Ferris 1939-8-2 9292 San Mateo Ano [Ano] Nuevo Point Comment
  UC1099818  Potamogeton pectinatus Malcolm A. Nobs, S. Galen Smith 1949-8-25 1552 San Mateo Sharp Park Comment
  CAS-BOT-BC454050  Potamogeton pusillus subsp. pusillus W. R. Dudley 1909-10-10 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Club House, Crystal Springs Reservoir Comment
  CAS-BOT-BC401044  Potentilla L. Sigal 1970-5-1 s.n. San Mateo Pescadero Marsh Comment
  CAS-BOT-BC141936  Potentilla anserina subsp. pacifica J. H. Thomas 1949-6-4 590 San Mateo Along coast, 1.4 miles S. of road to Pescadero Comment
  CAS-BOT-BC141938  Potentilla anserina subsp. pacifica Adele Lewis Grant 1917-5-6 941 San Mateo Pebble Beach at Pescadero Comment
  JEPS44182  Potentilla anserina subsp. pacifica Alice King 1908-7-25 San Mateo near San Francisco (Moss Beach); Moss Bearch Comment
  CAS-BOT-BC141930  Potentilla anserina subsp. pacifica Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo Guadalupe Road - San Bruno Mountains Comment
  SEINET5568963  Potentilla glandulosa H. S. Gentry 1931-1 83 San Mateo 1 mile SE of Holy Cross Cemetery. Comment
  CAS-BOT-BC143304  Potentilla hickmanii Mrs. E. C. Sutliffe 1933-3-10 s.n. San Mateo Moss Beach Comment
  UCSB17159  Poterium sanguisorba Schulte, John 1963-4-27 San Mateo Jasper Ridge, 3 miles southwest of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  JROH4676  Prosartes hookeri John Hunter Thomas 1985-4-25 23567 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC516351  Prosartes hookeri M. N. Paulson 1915-4-1 s.n. San Mateo Kings Mountain Comment
  SEINET12054259  Prosartes hookeri Cummings, McCallum, G. A. 1933-1 s.n. San Mateo along Stevens Creek Comment
  CAS-BOT-BC517393  Prosartes smithii W. R. Dudley 1906-3-9 s.n. San Mateo Santa Cruz Mountain Peninsula, in bottom of Purisima Canyon, below Kings Mountain Comment
  UC306582  Prunella vulgaris var. lanceolata A. D. E. Elmer June, 1903 4206 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC158171  Prunus emarginata Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo San Bruno Mountain. Bitter-cherry [Bitter Cherry] Ridge Comment
  CAS-BOT-BC154497  Prunus ilicifolia A. D. E. Elmer 1903-7-1 4773 San Mateo Pilarcitos Stone Dam Comment
  JROH3743  Prunus ilicifolia subsp. ilicifolia Roxana Stinchfield 1913-11-22 154 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Dam Comment
  JROH3749  Prunus subcordata H. L. Mason 1921-3-9 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Zoo shack Comment
  CAS-BOT-BC156354  Prunus virginiana var. demissa Phillip C. Wheeler 1965-5-12 s.n. San Mateo Sierra Point - near canyon Comment
  CAS-BOT-BC156357  Prunus virginiana var. demissa D. E. Breedlove 1974-5-13 36207 San Mateo San Pedro Valley Park, Pacifica 152 Comment
  CAS-BOT-BC356471  Pseudognaphalium beneolens Josephine D. Randall 1907-7-28 76 San Mateo Santa Cruz Peninsula. Black Mt. Road near Iverson's 335 Comment
  JROH780  Pseudognaphalium luteoalbum John H. Thomas 1978-5-23 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC413801  Pseudognaphalium luteoalbum Robert I. Gilbreath 1977-8-16 105 San Mateo Hillsborough. Cultivated garden area at 366 Alberta Way 160 Comment
  UC1177367  Pseudognaphalium luteoalbum Peter H. Raven 1950-6-3 2273 San Mateo on the stand San Anderas Lake 121 Comment
  CAS-BOT-BC344872  Pseudognaphalium ramosissimum Peter Rubtzoff 1978-9-16 9272 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. Comment
  SEINET3145218  Pseudognaphalium ramosissimum L. S. Rose 1935-8-13 35568 San Mateo Salada 30 Comment
  CAS-BOT-BC357575  Pseudognaphalium stramineum E. M. Zeile 1921-7-30 s.n. San Mateo Salada Comment
  CAS-BOT-BC361562  Pseudognaphalium stramineum Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountain. Radio Road Comment
  CAS-BOT-BC361572  Pseudognaphalium stramineum Louis F. Pitelka 1973-6-16 s.n. San Mateo Bolsa Point, about 1 mi N of Pigeon Point and about 39 mi S of San Francisco Comment
  CAS-BOT-BC361565  Pseudognaphalium stramineum W. R. Dudley 1896-11-15 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Spanish Town Comment
  SJSU7541  Pseudognaphalium stramineum L. S. Rose 1966-8-6 66079 San Mateo Colma Canyon, San Bruno Mt 121 Comment
  UCSC007772  Pseudognaphalium stramineum Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  HSC24038  Pseudognaphalium thermale Mary Katherine Wicksten 1971-6-17 55 San Mateo Huddart Park on Chickadee Trail Comment
  CAS-BOT-BC85908  Pseudotsuga menziesii W. R. Dudley 1893-12-3 s.n. San Mateo Santa Cruz Mountain Peninsula, Bear Gulch Comment
  CAS-BOT-BC85914  Pseudotsuga menziesii Miss O. Boring 1897-8-31 s.n. San Mateo Santa Cruz Peninsula, King's Mt. Comment
  RSA107418  Pseudotsuga menziesii L. S. Rose 1955-9-19 55178 San Mateo Skyline Boulevard, 7 miles west of Saratoga. 686 Comment
  RSA384643  Pseudotsuga menziesii E. A. Purer 1932-7-18 s.n. San Mateo King s Mountain. Comment
  UCR201596  Pseudotsuga menziesii June Latting 1972-4-21 s.n. San Mateo Central Coast, Santa Cruz Mountains, Pseudotsuga study site 777 Comment
  CAS-BOT-BC85909  Pseudotsuga menziesii W. R. Dudley 1899-8-27 s.n. San Mateo Near Sisson Tavern Comment
  CAS-BOT-BC362017  Psilocarphus tenellus R. S. Ferris 1925-5-1 s.n. San Mateo Selah Chamberlain Residence, Woodside Comment
  JROH1183  Psilocarphus tenellus D. E. Breedlove 1971-5-5 19326 San Mateo Jasper Ridge Biological Preserve, Stanford University; on bluff above San Francisquito Creek, 500 yards below Searsville Dam Comment
  CAS-BOT-BC72659  Pteridium aquilinum George Oberlander 1950-7-15 1120 San Mateo Pilarcitos Canyon Comment
  JROH15  Pteridium aquilinum var. pubescens John H. Thomas 1970-5-16 15633 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  CAS-BOT-BC421316  Pterostegia drymarioides John H. Thomas 1965-4-29 10625 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  OBI22191  Puccinellia nutkaensis Alan A. Beetle 1946-6-4 4278 San Mateo San Mateo city limits on San Mateo Bridge approach Comment
  CAS-BOT-BC104280  Quercus X morehus James B. Roof 1965-4-25 s.n. San Mateo Sant Bruno Mountain, On top of ridge, N side of road, toward Brisbane power lines Comment
  UCD14953  Quercus agrifolia Stephen K. Langer 1991-3-16 s.n. San Mateo California, San Mateo Co.; San Bruno Mountains, Buckeye Canyon. Comment
  JROH2463  Quercus agrifolia var. agrifolia John H. Thomas 1974-6-30 17461 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5868  Quercus agrifolia var. agrifolia David Y. Hollinger 1980-12-17 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS121556  Quercus chrysolepis Adam C. Schneider with C. Matt Guilliams and Will Freyman 2014-2-1 323 San Mateo Crystal Springs Reservoir, Pulgas Ridge, east of Crystal Springs Reservoir. Comment
  CAS-BOT-BC62302  Quercus chrysolepis Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo Huckleberry Ridge Comment
  JROH2469  Quercus douglasii L. R. Abrams 1904-5-5 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; on old road to the McDonough Ranch Comment
  JROH2473  Quercus douglasii John Hunter Thomas 1981-4-27 20505 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2538  Quercus douglasii Carol Zabel 2004-8-11 52 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 15 between Vestal's exclosure and intersection with Trail 16, north side of trail Comment
  CAS-BOT-BC389726  Quercus dumosa M. K. Wicksten 1971-6-15 63 San Mateo Unspecified Comment
  CAS-BOT-BC94274  Quercus durata Lewis S. Rose 1964-9-5 64068 San Mateo Emerald Lake, W of Redwood City 243 Comment
  CAS-BOT-BC94285  Quercus durata W. R. Dudley 1894-3-24 s.n. San Mateo By farm road to O'Brien McDonough Ranch, near Portola Comment
  JROH2479  Quercus durata var. durata Arthur Spiegler 1952-5-10 87 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2484  Quercus durata var. durata John H. Thomas 1972-8-18 16149 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2487  Quercus durata var. durata John H. Thomas 1974-6-30 17462 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2491  Quercus durata var. durata John Hunter Thomas 1980-5-6 19936 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC105392  Quercus kelloggii W. R. Dudley 1901-5-4 s.n. San Mateo Santa Cruz Mountain Peninsula, Coal Mine Canon [canyon] Comment
  CAS-BOT-BC105395  Quercus kelloggii A. D. E. Elmer 1903-5-1 4520 San Mateo Searsville Lake Comment
  JROH2495  Quercus kelloggii W. R. Dudley 1893-4-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Comment
  UCD46676  Quercus kelloggii Ira L. Wiggins 1946-5-2 s.n. San Mateo La Honda road, above Searsville Reservoir, San Mateo County, California. 457 Comment
  SD38233  Quercus lobata Delzie Demaree 1929-10-17 3678 San Mateo King's Mountain Comment
  SEINET12034641  Quercus lobata Unknown 1930-1 7321 San Mateo Jaspar Ridge Comment
  CAS-BOT-BC134790  Quercus wislizeni Walter Knight; Irja Knight 1965-5-9 1104 San Mateo San Bruno Mountain. From Ridge Road about 100 yds E of parking lot along N roadside 381 Comment
  NY201784  Quercus wislizeni J. B. Walker 1994-8-15 909 San Mateo Skyline Rd, mile marker 13.84, N of Sky Londa 100 Comment
  CAS-BOT-BC362545  Rafinesquia californica Fred Hemphill 1973-5-14 817 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  JROH1201  Rafinesquia californica John H. Thomas 1967-5-31 12937 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM290129  Rafinesquia californica Lyman Benson 1937-6-27 8391 San Mateo Summit west of Belmont; Santa Cruz Mt. Range; S. F. Bay Watershed. 152 Comment
  RSA18515  Rafinesquia californica C. B. Wolf 1927-7-14 605 San Mateo Summit of Kings Mountain Rd. Comment
  RSA18084  Ranunculus aquatilis var. capillaceus Carl B. Wolf 1929-4-29 3665 San Mateo Small reservoir, 1 mile S of Portola, San Mateo Comment
  JROH3474  Ranunculus californicus John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC511335  Ranunculus californicus Lyman Benson 1931-3-15 2642 San Mateo Emerald Lake San Francisco Bay Watershed, Santa Cruz Mt. Range, Redwood C 152 Comment
  POM268417  Ranunculus californicus Lyman Benson 1935-3-10 6256 San Mateo San Gregorio. Pacific Ocean 61 Comment
  POM268421  Ranunculus californicus Lyman Benson 1930-3-20 1953 San Mateo S San Francisco. 91 Comment
  POM268423  Ranunculus californicus Arthur L. Cohen 1935-4-21 618 San Mateo Jasper Ridge, San Francisquito Creek. 122 Comment
  RSA400645  Ranunculus californicus E. S. Spalding 1923-8-3 s.n. San Mateo Near Pulgas Tunnel. Comment
  SEINET5718555 Image available Ranunculus californicus Leslie Fenster 1964-1 10 San Mateo Ca. 2.5 miles up Polhemus Road. Comment
  CAS-BOT-BC378537  Ranunculus californicus var. californicus John H. Thomas 1964-4-30 10357 San Mateo San Bruno Mountain in northern part of county 00000000000000000000000 396 Comment
  JEPS127782  Ranunculus californicus var. californicus Adam C. Schneider with C. Matt Guilliams 2013-3-9 48 San Mateo Comment
  CAS-BOT-BC378526  Ranunculus californicus var. californicus Elizabeth McClintock 1972-4-23 s.n. San Mateo San Bruno Mountain, grassy slope above Fern Rock Comment
  CAS-BOT-BC378528  Ranunculus californicus var. californicus Javier Penalosa 1965-2-25 2635 San Mateo San Bruno Mtn. ravine south of Crocker Ave. 213 Comment
  CAS-BOT-BC378529  Ranunculus californicus var. californicus Elizabeth McClintock; Virginia Ryder 1964-2-16 s.n. San Mateo San Bruno Mountain, Guadalupe Road Comment
  CAS-BOT-BC378543  Ranunculus californicus var. californicus J. H. Thomas 1954-4-25 3994 San Mateo near intersection of Stanford and Mayfield Avenues in open field which is occasionally plowed; Stanford University campus Comment
  POM268184  Ranunculus californicus var. cuneatus Lyman Benson 1935-3-10 6257 San Mateo Menlo Park. San Franciso Bay. 30 Comment
  JROH3477  Ranunculus hebecarpus John H. Thomas 1969-4-20 14894 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3489  Ranunculus hebecarpus John Hunter Thomas 1986-4-22 23970 San Mateo Jasper Ridge Biological Preserve, Stanford University. Wooded slope above east arm of Searsville Lake Comment
  JROH3490  Ranunculus hebecarpus John Hunter Thomas 1987-4-10 24187 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC83430  Ranunculus lobbii A. D. E. Elmer 1903-4-1 4734 San Mateo Alpine School House. Comment
  POM269869  Ranunculus lobbii James I. McMurphy 1906-5-8 s.n. San Mateo Near head of Crystal Springs Lakes Comment
  RSA119758  Ranunculus lobbii James I. McMurphy 1904-1 s.n. San Mateo Coal Mine Road Comment
  CAS-BOT-BC83426  Ranunculus lobbii W. R. Dudley 1964-4-22 s.n. San Mateo Santa Cruz Mountain Peninsula. Corte Madera Creek. Along New Grade Road. Comment
  CAS-BOT-BC83427  Ranunculus lobbii W. R. Dudley 1964-4-22 s.n. San Mateo Santa Cruz Mountain Peninsula. Corte Madera Creek. Along New Grade Road. Comment
  UC162558  Ranunculus muricatus Harley P. Chandler 1901-3-15 798 San Mateo marshes w Colma; Region of San Francisco Bay Comment
  POM282733  Ranunculus orthorhynchus var. bloomeri L. S. Rose 1934-3-11 35051 San Mateo Wet fields, Visitacion Valley Comment
  JEPS85712  Ranunculus pusillus L. R. Heckard and J. H. Thomas 1972-4-16 2890 San Mateo ca 1 1/2 mi s Pulgas Water Temple (along old Canada road (private), sw of Upper Crystal Springs Reservoir) 121 Comment
  OBI27163  Raphanus sativus Laura Wells 1970-2-1 8 San Mateo Half Moon Bay about 14 mi W of San Mateo Comment
  OBI37072  Raphanus sativus M. J. Erwin 1983-11-11 18 San Mateo Around Daggett residence, 100 yds W of Old Canada Rd, within property limits of Filoli Center, Canada Rd, Woodside Comment
  POM283036  Rhamnus californica Lyman Benson 1934-7-29 6110 San Mateo Crystal Springs Lake; Mt. Range: Santa Cruz; Watershed: S. F. Bay. 152 Comment
  UC592790  Rhamnus californica unknown 1927-12-31 1473 San Mateo 0.5 way up Kings Mt. Comment
  UC870785  Rhamnus californica F. A. Parton Apr 1908 San Mateo Jasper Ridge Santa Cruz Mountain Peninsula 91 Comment
  SEINET12209519  Rhamnus californica Unknown 1933-1 s.n. San Mateo On hillside between Skyline and Half Moon Bay Comment
  CAS-BOT-BC55884  Rhamnus crocea Walter Knight; Irja Knight; Elizabeth McClintock 1963-9-2 s.n. San Mateo Croker Hills Comment
  CAS-BOT-BC55891  Rhamnus crocea Carl B. Wolf 1927-8-7 717 San Mateo At Schenkel's Camp back of Stanford University Campus. Los Trancos Creek Comment
  JROH3555  Rhamnus crocea H. L. Mason 1921-3-9 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA7729  Rhamnus crocea Carl B. Wolf 1927-5-31 407 San Mateo Searsville Lake Comment
  RSA7771  Rhamnus tomentella subsp. tomentella John W. Gillespie 1925-8-9 191 San Mateo Searsville road Comment
  RSA7858  Rhamnus tomentella subsp. tomentella Carl B. Wolf 1928-2-11 1472 San Mateo 1/2 way up Kings Mt Comment
  CAS-BOT-BC56666  Rhododendron occidentale W. S. Atkinson 1901-7-6 s.n. San Mateo Pescadero Creek Comment
  CAS-BOT-BC56667  Rhododendron occidentale A. D. E. Elmer 1903-6-1 4298 San Mateo Butano Creek Comment
  POM202466  Ribes californicum L. S. Rose 1933-6-9 33226 San Mateo Belmont Comment
  RSA15313  Ribes californicum Carl B. Wolf 1927-4-3 284 San Mateo Los Troncos Creek, 2 miles back of Stanford University. Comment
  RSA3921  Ribes californicum James I. McMurphy 1906-5-11 57 San Mateo San Francisquito Cr. Stanford University. Comment
  UC518033  Ribes californicum Lewis S. Rose 1933-6-9 33226 San Mateo Belmont Comment
  UC974953  Ribes californicum Lewis S. Rose 1937-3-14 37003 San Mateo Belmont 152 Comment
  RSA18264  Ribes californicum Carl B. Wolf 1927-6-27 459 San Mateo Los Troncos Creek, 2 miles back of Stanford University. Comment
  CAS-BOT-BC92998  Ribes californicum var. californicum Lewis S. Rose 1933-6-9 33226 San Mateo Belmont. Comment
  JROH2638  Ribes californicum var. californicum Duncan M. Porter 1961-2-8 742 San Mateo Jasper Ridge Biological Preserve, Stanford University. N face of sandstone cliff at N end of ridge above San Francisquito Creek. 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
  JROH2650  Ribes californicum var. californicum Carol Zabel 1989-2-20 2 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 12 near intersection with Trail 10. Comment
  CAS-BOT-BC173092  Ribes divaricatum var. pubiflorum Roxana S. Ferris 1920-4-24 1956 San Mateo Peters Creek, 2 mi above ridge 304 Comment
  CAS-BOT-BC173465  Ribes malvaceum Marian L. Campbell 1920-5-2 s.n. San Mateo Los Altos Comment
  CAS-BOT-BC173472  Ribes malvaceum D. E. Breedlove 1974-5-13 36205 San Mateo San Pedro Valley Park, Pacifica 152 Comment
  CAS-BOT-BC173475  Ribes malvaceum W. R. Dudley 1893-1-1 s.n. San Mateo Near Belmont Comment
  RSA0021678  Ribes malvaceum S. S. Berry 1909-2-27 s.n. San Mateo Roadside near Adalanta Villa. 46 Comment
  UCSB17066  Ribes malvaceum var. malvaceum Schulte, John 1963-4-14 San Mateo 3 miles southwest of Stanford Campus; between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  CAS-BOT-BC212830  Ribes menziesii George Oberlander 1950-3-11 495 San Mateo Pilarcitos Canyon Comment
  CAS-BOT-BC212838  Ribes menziesii W. R. Dudley 1893-4-1 s.n. San Mateo Near San Francisquito Creek above Searsville Resevoir Comment
  CAS-BOT-BC212839  Ribes menziesii W. R. Dudley 1894-3-23 s.n. San Mateo By Canada Creek above Searsville Dam and below McDonough Ranch Comment
  CAS-BOT-BC212845  Ribes menziesii W. & I. Knight 1963-6-24 s.n. San Mateo Quarry No. 4, San Bruno Mountain Comment
  CAS-BOT-BC212836  Ribes menziesii V. F. Hesse 1955-10-10 1716 San Mateo China grade road, 2.3 miles from Butano-Gazos Creek Road 152 Comment
  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
  JROH2669  Ribes menziesii var. menziesii John Hunter Thomas 1981-4-5 20283 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek. Comment
  CAS-BOT-BC144601  Ribes sanguineum var. glutinosum James McMurphy 1906-3-9 s.n. San Mateo Near King's Mountain House Comment
  CAS-BOT-BC144630  Ribes sanguineum var. glutinosum Ira L. Wiggins 1929-3-23 3371 San Mateo Road to Mud Lake, near Stanford University Comment
  CAS-BOT-BC144636  Ribes sanguineum var. glutinosum W. R. Dudley 1894-3-29 s.n. San Mateo Between Half Moon Bay and Woodside Comment
  CAS-BOT-BC144638  Ribes sanguineum var. glutinosum D. E. Breedlove 1974-5-13 36216 San Mateo San Pedro Valley Park, Pacifica 152 Comment
  JROH2687  Ribes sanguineum var. glutinosum Carol Zabel 1989-3-29 7 San Mateo Jasper Ridge Biological Preserve, Stanford University. Leonard's bridge (old Corte Madera Creek bridge). Comment
  UCSB17072  Ribes sanguineum var. glutinosum 1963-4-9 San Mateo Jasper Ridge; 3 miles southwest of Stanford Campus; between Santa Clara Valley and main front of Santa Cruz Mountains 137 Comment
  CAS-BOT-BC144639  Ribes sanguineum var. glutinosum Walter Knight 1964-9-14 828 San Mateo near summit Peak Mt. Comment
  JROH1212  Rigiopappus leptocladus John Rawlings,Toni Corelli 2007-5-2 0907 San Mateo Jasper Ridge Biological Preserve, Stanford University. Upper Big Inlet drainage in serpentine near NW corner of West Serpentine Chaparral. 167 Comment
  JROH1205  Rigiopappus leptocladus John Hunter Thomas 1982-5-9 20925 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC6011  Romanzoffia californica Charles Fuller Baker 1902-4-6 463 San Mateo Crystal Springs Lake Comment
  RSA119752  Romanzoffia californica W. R. Dudley 1909-4-27 s.n. San Mateo On Pulpit Rock, San Mateo Canyon; Santa Cruz Mt Peninsula. 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-BC389728  Rosa J. Lovelle 1973-8-19 127 San Mateo Pomponio Canyon Comment
  CAS-BOT-BC146689  Rosa gymnocarpa James McMurphy 1902-5-1 s.n. San Mateo King's Mountain Comment
  CAS-BOT-BC146696  Rosa gymnocarpa Margaret A. Barry 1937-5-15 85 San Mateo On Coal Mine Ridge Comment
  JROH3763  Rosa gymnocarpa var. gymnocarpa John Hunter Thomas 1989-5-11 24738 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2869  Rosmarinus officinalis Diane Renshaw, Ann Lambrecht 2011-6-21 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; N of Westridge fence near Escobar Rd. turnaround Comment
  JROH3769  Rubus armeniacus John Hunter Thomas 1982-11-6 21215 San Mateo Jasper Ridge Biological Preserve, Stanford University. On causeway Comment
  JROH3773  Rubus parviflorus John H. Thomas 1974-5-3 17247 San Mateo Jasper Ridge Biological Preserve, Stanford University. Redwood area below dam Comment
  UC706966  Rubus parviflorus Ira L. Wiggins 1939-8-12 9296 A San Mateo about 5 mi inland from coast (along banks of Gazos Creek); Gazos Creek Comment
  CAS-BOT-BC156662  Rubus spectabilis V. F. Hesse 1959-4-16 2587 San Mateo Gazos Creek near coast 45 Comment
  JROH3779  Rubus ursinus John H. Thomas 1977-4-29 18574 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM139627  Rubus vitifolius A. D. E. Elmer 1903-06 4664 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC422081  Rumex acetosella John H. Thomas 1964-4-30 10362 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  JEPS121489  Rumex acetosella Adam C. Schneider with C. Matt Guilliams 2013-3-9 31 San Mateo Crystal Springs Reservoir Comment
  CAS-BOT-BC422091  Rumex acetosella Elizabeth McClintock; David Schooly; Kim Marcus 1975-4-13 s.n. San Mateo San Bruno Mountain. Slope above Hillside Blvd., South San Francisco. Comment
  RSA17951  Rumex acetosella Carl B. Wolf 1927-6-4 s.n. San Mateo Summit of La Honda Grade (Pollen for Dr. Malsger - San Francisco) San Mateo County Comment
  UCD101013  Rumex acetosella W. A. Harvey; J. M. Tucker 1948-6-28 1697 San Mateo 3 miles north of Pescadero. Comment
  UCD101053  Rumex acetosella Robert A. Norris 1984-5-9 4728 San Mateo Olivet Memorial Park Throughway, Colma. Comment
  CAS-BOT-BC433356  Rumex crispus A. D. E. Elmer 1903-6-1 4266 San Mateo San Mateo Comment
  CAS-BOT-BC433358  Rumex crispus Ned Cahill 1974-6-21 349 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City. 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-BC433541  Rumex fueginus Roxana S. Ferris 1917-10-19 729 San Mateo Margin of Crystal Springs Lake Comment
  SEINET4182631  Rumex maritimus var. persicarioides K. Thorne, J. chandler 1986-7-25 4948 San Mateo Half Moon Bay, 2 miles south of Moss Beach at Dune Beach Comment
  CAS-BOT-BC433750  Rumex persicarioides W. R. Dudley 1896-11-18 s.n. San Mateo Santa Cruz Mountain Peninsula. Spanishtown beach near mouth of the Pilarcitos. Comment
  CAS-BOT-BC433823  Rumex pulcher Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain. Ridge above Buckeye Canyon Comment
  UCD101450  Rumex pulcher W. A. Harvey; J. M. Tucker 1948-6-28 1695 San Mateo 3 miles north of Pescadero. Comment
  CAS-BOT-BC433997  Rumex salicifolius Josephine D. Randall 1907-7-23 291 San Mateo Santa Cruz Peninsula. Near Crystal Springs Lake Comment
  UC569569  Rumex salicifolius var. crassus James Arata Karakawa 1937-10-20 228 San Mateo near Montara Comment
  CAS-BOT-BC182773  Rumex salicifolius var. denticulatus Peter Rubtzoff 1980-8-4 9564 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  JROH2210  Rupertia physodes John H. Thomas 1961-5-5 9218 San Mateo Jasper Ridge Biological Preserve, Stanford University; at NW end of ridge 152 Comment
  UC279597  Ruppia maritima unknown San Mateo Laguna de Salada Comment
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Jan 2 2010
  SEINET3837363  Ruppia maritima Unknown 1946-4-30 s.n. San Mateo .5 mile north of Redwood City Comment
  JEPS128160  Rytidosperma caespitosum Eric Wrubel 2012-6-19 NPS 41 San Mateo Golden Gate National Recreation Area. Sweeney Ridge Baquiano Trail. Comment
  UCD163747  Sagina decumbens subsp. occidentalis Peter Rubtzoff 1988-5-3 9916 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
  UC1191408  Salicornia europaea Malcolm A. Nobs and S. Galen Smith 1949-8-27 1624 San Mateo e of Redwood City Comment
  RSA185023  Salix exigua L. S. Rose 1965-3-8 65003 San Mateo Searsville Lake. 122 Comment
  JROH3844  Salix exigua var. hindsiana H. J. Dengler 1972-4-30 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Along levee road, south end of Searsville Lake Comment
  JROH3847  Salix exigua var. hindsiana John Hunter Thomas 1981-4-23 20494 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of lake Comment
  JROH3851  Salix exigua var. hindsiana John Hunter Thomas 1988-4-28 24414 San Mateo Jasper Ridge Biological Preserve, Stanford University. Causeway Comment
  CAS-BOT-BC104051  Salix hindsiana Lewis S. Rose 1965-3-8 65003 San Mateo Searsville Lake 121 Comment
  JROH3874  Salix lasiandra var. lasiandra John H. Thomas 1973-4-7 16520 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Searsville Lake Comment
  JROH3864  Salix lasiolepis John Hunter Thomas 1983-4-5 21330 San Mateo Jasper Ridge Biological Preserve, Stanford University. Low-flow crossing Comment
  JROH3867  Salix lasiolepis Toni Corelli 2003-2-6 255 San Mateo Jasper Ridge Biological Preserve, Stanford University; west side of lake below Searsville Lab 106 Comment
  POM223617  Salix lasiolepis S. S. Berry 1909-2-27 s.n. San Mateo Near Los Francos Creek. 46 Comment
  RSA178599  Salix lasiolepis L. R. Abrams 1915-3-13 5162 San Mateo Near jct of San Francisquito and Los Trancos creeks. About 2 miles from Stanford University. Comment
  RSA249478  Salix lasiolepis John F. Emmel 1972-6-4 404 San Mateo Large canyon bottom 1.1 air miles NW of 1314' summit. Along Guadalupe Canyon Parkway. San Bruno Mtns. 107 Comment
  UCR279849  Salix lasiolepis Peter Rubtzoff 1976-3-14 8446 San Mateo San Francisco Bay Region, San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction; upper part of East Fork Colma Creek Canyon 220 Comment
  CAS-BOT-BC126482  Salix sitchensis W. R. Dudley 1899-5-14 s.n. San Mateo So.W. of Baden Station Comment
  CAS-BOT-BC126485  Salix sitchensis W. R. Dudley 1906-3-18 s.n. San Mateo [King's] Kings Mt. Road Comment
  CAS-BOT-BC126492  Salix sitchensis Lewis S. Rose 1958-3-19 58010 male, 58011 female San Mateo Princeton 6 Comment
  CAS-BOT-BC126501  Salix sitchensis W. R. Dudley 1904-3-7 69 San Mateo Bear Gulch, Santa Cruz Mts. 213 Comment
  POM167485  Salix sitchensis A. D. E. Elmer 1903-03 4874 San Mateo Portola. Comment
  RSA218031  Salvia spathacea Walter Knight, I. Knight 1965-3-15 1218 San Mateo Colma Canyon. San Bruno Mountain. Comment
  RSA120030  Sambucus callicarpa W. R. Dudley 1950-3-16 s.n. San Mateo Near bridge over Pilancitas Creek, on road to Half-Moon Bay Comment
  POM46725  Sambucus microbotrys A. D. E. Elmer 1903-05 4663 San Mateo Butano Creek Comment
  CAS-BOT-BC246024  Sambucus nigra subsp. caerulea Daniel Cohen 1953-6-3 107 San Mateo Los Trancos Woods Comment
  CAS-BOT-BC246027  Sambucus nigra subsp. caerulea A. D. E. Elmer 1903-7-1 4689 San Mateo Portola Comment
  UC204057  Sambucus racemosa var. racemosa A. D. E. Elmer May, 1903 4663 San Mateo Butano Creek Comment
Read comments
Sep 6 2011
  UC1123153  Sanicula arctopoides H. S. Yates 1935-2-3 5012 San Mateo 1/2 mi se of Pigeon Point 30 Comment
  RSA184887  Sanicula arctopoides L. S. Rose 1965-3-25 65012 San Mateo San Bruno Mountains, North end. 122 Comment
  SEINET5570625  Sanicula arctopoides H. S. Gentry 1931-1 35 San Mateo Collected 2 miles W of San Bruno. Comment
  CAS-BOT-BC223326  Sanicula bipinnatifida J. H. Thomas 1949-4-1 212 San Mateo West of Redwood City Comment
  JROH334  Sanicula crassicaulis John H. Thomas 1971-5-30 15978 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH336  Sanicula crassicaulis John H. Thomas 1974-4-13 17152 San Mateo Jasper Ridge Biological Preserve, Stanford University; near area H Comment
  JROH337  Sanicula crassicaulis John H. Thomas 1974-5-3 17243 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR121589  Satureja douglasii George K. Helmkamp, E. A. Helmkamp 1999-6-28 4974 San Mateo Pescadero Creek Watershed, Pescadero Road just north of Loma Mar 107 Comment
  RSA8352  Satureja douglasii L. S. Rose 1933-6-9 s.n. San Mateo 3 miles W of San Bruno. Comment
  RSA176539  Schedonorus arundinaceus John H. Thomas 1963-8-4 10235 San Mateo About 2.5 miles inland from San Gregorio along the highway Comment
  RSA320754  Schedonorus arundinaceus Robert A. Norris 1984-5-9 4729 San Mateo By Olivet Memorial Park Throughway, Colma. Comment
  CAS-BOT-BC283615  Schedonorus pratensis Elizabeth McClintock; Paul Reeberg 1989-5-30 s.n. San Mateo San Bruno Mountains. In a seep above Lipman School 60 Comment
  CAS-BOT-BC218936  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 7 Comment
  UC1100751  Schoenoplectus acutus var. occidentalis Malcolm A. Nobs, S. Galen Smith 1949-8-25 1568 San Mateo brackish marsh s Rockaway Beach; marsh s of Rockaway Beach Comment
  CAS-BOT-BC111779  Schoenoplectus pungens var. badius Alice S. Mulford 1945-7-17 s.n. San Mateo Moss Beach Comment
  CAS-BOT-BC111782  Schoenoplectus pungens var. badius Ira L. Wiggins 1920-4-27 1982 San Mateo Sand dunes, Ano Nuevo Pt. 7 Comment
  UC1100796  Scirpus californicus Herbert L. Mason 1946-8-28 13092 San Mateo Pond Highway 5 about 3 mi s Daly City Road; s of Daly City Road, pond Comment
  SEINET3914302  Scirpus cernuus Ira L. Wiggins, Roxana S. Ferris 1939-8-2 9290 San Mateo Aon Nuevo Point.; 0 Comment
  UC1100905  Scirpus maritimus Malcolm A. Nobs, S. Galen Smith 1949-8-25 1564 San Mateo marshes at Sharp Park Comment
  UCD23292  Scirpus microcarpus Alan T. Whittemore 1976-5-29 110 San Mateo Crystal Springs Canyon, about 1/2 mile below (East of) dam. 39 Comment
  JEPS62104  Scoliopus bigelovii Inez Smith March 1915 San Mateo Hillsboro Comment
  RSA139348  Scoliopus bigelovii Lewis S. Rose 1964-2-6 64000 San Mateo Kings Mountain 610 Comment
  CAS-BOT-BC519011  Scoliopus bigelovii John Thomas Howell 1924-2-23 265 San Mateo King Mountain Comment
  CAS-BOT-BC519020  Scoliopus bigelovii Alice Eastwood 1933-4-30 s. n. San Mateo Lake Pilarcitos on road out Comment
  RSA299412  Scoliopus bigelovii Inez Smith 1915-03 s.n. San Mateo Hillsboro. Comment
  RSA3924  Scoliopus bigelovii Le Roy Abrams 1904-3-7 s.n. San Mateo Bear Gulch. Santa Cruz Mountain Peninsula. Comment
  SEINET12050532  Scoliopus bigelovii F. H. Utech 1988-1 88 -142 San Mateo 0.5 mi from jct of Kings Mt. Rd & CA 35 on former enroute to Woodside, Skyline Hiking Trail & jct 580 Comment
  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
  JROH4121  Scrophularia californica W. R. Dudley 1895-7-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake Comment
  JROH4125  Scrophularia californica John H. Thomas 1974-4-25 17194 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA18300  Scrophularia californica Carl B. Wolf 1927-5-31 416 San Mateo North end of Searsville Lake. Comment
  JROH2884  Scutellaria tuberosa John H. Thomas 1961-4-28 9175 San Mateo Jasper Ridge Biological Preserve, Stanford University; above Searsville Lake Comment
  JROH2887  Scutellaria tuberosa John Hunter Thomas 1986-5-8 24029 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC25840  Scutellaria tuberosa Maclean 1027 San Mateo near Pescadero Comment
  UC789323  Sedum spathulifolium A. D. E. Elmer June 1903 4550 p.p. San Mateo toward San Mateo from Crystal Springs Lake; Toward San Mateo from Crystal Springs Lake Comment
  CAS-BOT-BC363735  Senecio hydrophilus Alice Eastwood; John Thomas Howell 1938-6-26 6058 San Mateo Near Pescadero Comment
  JROH688  Senecio minimus Toni Corelli 2008-9-3 351 San Mateo Jasper Ridge Biological Preserve, Stanford University. Bear Creek, northwest of junction of Road G and H 83 Comment
  JROH1226  Senecio vulgaris John H. Thomas 1973-4-14 16558 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC80298  Sequoia sempervirens J. H. Thomas 1949-10-16 1141 San Mateo Along La Honda Creek, about 0.7 miles north of La Honda Comment
  POM176867  Sequoia sempervirens E. G. Dudley 1904-1-21 74 San Mateo Santa Cruz Peninsula: Canada de Raymundo, Santa Cruz Mountains 274 Comment
  UCSB9574  Sequoia sempervirens Haller, John 1950-4-24 San Mateo Skyline drive, junction with woodside, La Honda Road 609 Comment
  MACF019653  Sequoia sempervirens Barbara Gittins 1975-11-30 San Mateo Hwy. 1, 15 mi. N. Watsonville, San Mateo County, California Comment
  SEINET8057876 Image available Sequoia sempervirens M. E. Springer 1946-1 735 San Mateo Skyline Blvd. near La Honda Comment
  CDA2435  Setaria parviflora I. J. Campbell 1958-8-12 1015 San Mateo Redwood City. 0 Comment
  JROH3832  Sherardia arvensis John H. Thomas 1974-4-4 17077 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3825  Sherardia arvensis John H. Thomas 1955-5-6 4996 San Mateo Jasper Ridge Biological Preserve, Stanford University. Small draw on south side of ridge. 182 Comment
  UCR136722  Sidalcea diploscypha L. S. Rose 1948-5-16 48117 San Mateo San Francisco Bay Region, Emerald Lake, hills west of Redwood City 152 Comment
  SD39294  Sidalcea diploscypha McCallum 1933-5-30 3706 San Mateo Spring Valley Comment
  SJSU8493  Sidalcea malviflora R. L. Herb 1959-4-19 San Mateo 2.5 mi S of Pescadero Comment
  UC1537663  Sidalcea malviflora subsp. malviflora Gordon H. True Jr. 1936-6-7 492 San Mateo top of ocean bluff 2 mi s Pescadero; s of Pescadero 15 Comment
  POM282904  Sidalcea malviflora subsp. malviflora Lyman Benson 1931-4-26 2760 San Mateo Behind Stanford U., Brookside Park, Santa Cruz mtn range. 244 Comment
  JROH1730  Silene gallica John H. Thomas 1965-4-28 10595 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC386851  Silene gallica Walter Knight; Irja Knight 1965-4-4 s.n. San Mateo San Bruno Mountain. Bitter Cherry Ravine. Comment
  CAS-BOT-BC175278  Silene verecunda Elizabeth McClintock 1972-5-10 s.n. San Mateo East of Parking Lot summit of mountain. San Bruno Mountain Comment
  CHSC90614  Sisyrinchium bellum Diane Mastalir 1988-3-27 3 San Mateo 10 yds s of jcn hwy 92 and hwy 35. Roadside. 91 Comment
  RSA647584  Sisyrinchium bellum J. Doty 1969-3-26 607 San Mateo San Gregorio Beach State Park. 15 Comment
Read comments
Jan 26 2017
  SJSU15344  Sisyrinchium bellum J. A. Nikkel 1985-4-3 19 San Mateo east side of Highway 1, a 1/2 mile south of Pigeon Point; Comment
  UCSB18427  Sisyrinchium bellum Muirhead, M. 1964-4-17 San Mateo Crocker Estate; Hillsborough 76 Comment
  SEINET3154296  Smilacina sessilifolia L. S. Rose 1933-4-9 33070 San Mateo Belmont Comment
  JEPS108625  Smilacina stellata W. Roderick San Mateo 2.1 mi W (down) from Skyline Blvd, SE of Half Moon Bay Comment
  IRVC9074  Smilacina stellata var. sessilifolia P. W. Rundel 1962-4-12 1017 B San Mateo 1 mile East of Skyline Hwy on La Honda Rd. Comment
  RSA15288  Smilacina stellata var. sessilifolia Carl B. Wolf 1927-4-3 256 San Mateo 1 mile above La Honda. Santa Cruz Mountains Comment
  RSA202897  Solanum americanum G. Ledyard Stebbins, E. L. Paddock 1939-8-17 61 San Mateo San Gregornio. Comment
Read comments
Oct 11 2021
  UCR51662  Solanum douglasii R. Ascanio 1988-4-17 s.n. San Mateo E on Gazo Creek Road off Hwy 1, c. 2 mi. north of Ano Nuevo State Reserve 85 Comment
  HSC21333  Solanum furcatum G. L. Stebbins, E. L. Paddock 1939-8-17 57 San Mateo Mussel Rock Comment
  NY821395  Solanum nigrum L. Abrams 1939-6-3 425 San Mateo Ano Nuevo Point Comment
  RSA34830  Solanum physalifolium var. nitidibaccatum I. L. Wiggins 1945-9-22 11196 San Mateo Moss Beach. Comment
  SEINET12274849  Solanum sarachoides E. H. Graham 1931-1 6942 San Mateo Ano Nuevo Pt., S of San Francisco Comment
  CAS-BOT-BC157631  Solanum umbelliferum B. 1902-1-15 234 San Mateo West side King's Mt. Comment
  NY820568  Solanum umbelliferum L. S. Rose 1934-2-10 34024 San Mateo Woodside. Canyons in Hills Comment
  POM87735  Solanum umbelliferum L. R. Abrams 1902-1-7 2262 San Mateo Kings Mts. Comment
  JROH4183  Solanum umbelliferum Joseph J. Schweitzer 1951-4-21 16 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake. Road cut along road up from the lake 121 Comment
  POM57020  Solidago californica C. F. Baker 1901-10-20 58 San Mateo Summit of Coast Range Comment
  CAS-BOT-BC353473  Solidago elongata Peter Rubtzoff 1978-9-16 9271 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction. Western part of the area, on slope near fence, San Bruno Mountains. Comment
  SEINET11382904 Image available Solidago elongata Unknown 1931-1 s.n. San Mateo Kings Mt. Comment
  CAS-BOT-BC365743  Solidago spathulata L. R. Abrams 1909-8-2 4251 San Mateo Santa Cruz Peninsula. Pebble Beach, Pescadero Comment
  CAS-BOT-BC365192  Solidago velutina subsp. californica George Oberlander 1949-7-30 357 San Mateo San Francisco Watershed Reserve. Northern crest of Sawyer Ridge Comment
  CAS-BOT-BC374498  Sonchus asper J. H. Thomas 1949-4-14 286 San Mateo Kings Mountain Comment
  CAS-BOT-BC374490  Sonchus asper Elizabeth McClintock; Carlyn Halde; Walter Knight; Walter Knight 1963-6-23 s.n. San Mateo San Bruno Mountain. Lower part of Colma Canyon Comment
  CAS-BOT-BC374496  Sonchus asper Le Roy Abrams 1901-3-16 1144 San Mateo Woodside - Menlo Park Comment
  JROH1256  Sonchus asper subsp. asper John H. Thomas 1968-5-3 14438 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC374703  Sonchus oleraceus Josephine D. Randall 1907-4-27 99 San Mateo Santa Cruz Peninsula. Kings Mt. Comment
  UCSB18413  Sonchus oleraceus Hutchinson, Sandra 1964-3-24 San Mateo Crystal Springs Lake, Sawyer Camp Road, about 2.7 miles off Skyline Blvd., entrance off Millbrae Ave. 106 Comment
  CAS-BOT-BC235287  Sorghum bicolor J. H. Thomas 1959-11-19 8513 San Mateo Near Bayshore and University Avenue. East Palo Alto Comment
  RSA126377  Sorghum bicolor John H. Thomas 1959-11-19 8513 San Mateo Near Bayshore & University Avenue, East Palo Alto Comment
  CAS-BOT-BC236582  Sorghum halepense J. H. Thomas 1965-9-8 11444 San Mateo Near intersection of Bayshore and University Avenue, east Palo Alto Comment
  UC441312  Sparganium erectum subsp. stoloniferum Katharine Brandegee 1913-8-11 San Mateo Tobin Comment
  UC1751042  Spartina foliosa Annetta M. Carter with Mary Bowerman, Mrs. Bowerman, Betty Wood, Florence Little 1934-10-21 736 San Mateo Dumbarton Bridge Comment
  SEINET10602935  Spartina foliosa Delzie Demaree 1933-9-17 Demaree 10528 San Mateo San Francisco Bay, Belmont Common along margins of salt marshes Comment
  CAS-BOT-BC390454  Spergularia macrotheca var. macrotheca J. H. Thomas 1954-5-28 4244 San Mateo Guadalupe Valley, about 2 miles south of San Francisco - San Mateo County line 30 Comment
  CAS-BOT-BC390457  Spergularia macrotheca var. macrotheca John H. Thomas 1967-5-7 12833 San Mateo Pigeon Point. Altitude about sea level. Near lighthouse Comment
  CAS-BOT-BC390461  Spergularia macrotheca var. macrotheca J. S. Rowley 1931-6-7 s.n. San Mateo Pigeon Point Comment
  CAS-BOT-BC390471  Spergularia macrotheca var. macrotheca G. B. Rossbach; R. P. Rossbach 1940-6-20 738 San Mateo 1 mile south of Montara Point Comment
  UCD39015  Spergularia marina Beecher Crampton 1962-6-11 6513 San Mateo Pacifica, Rockaway Beach, State Hwy. 1. 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
  RSA128560  Spergularia salina P. H. Raven 1950-5-7 2039 San Mateo Moss Beach. Comment
  JEPS62956  Stachys ajugoides W. L. Jepson 1928-7-11 12938 San Mateo e Redwood City 3 Comment
  POM299450  Stachys ajugoides L. S. Rose 1941-10-24 41469 San Mateo Belmont. 3 Comment
  RSA446594  Stachys ajugoides E. A. Purer 1933-8-13 5425 San Mateo Santa Clara Valley, near Belmont. Comment
  UC702529  Stachys ajugoides var. ajugoides L. S. Rose 1941-10-24 41469 San Mateo Belmont 3 Comment
  CHSC27765  Stachys bullata Jan M. Karaz 1978-3-22 15 San Mateo Canada College. 1/4 mi from Canada Rd. w on the ridge. 2 mi past intersection of Hwy 280 and Canada Rd. 18 Comment
  UCLA71403  Stachys bullata Ira L. Wiggins 1929-7-4 3783 San Mateo 4 mi w La Honda (on hill road to Pescadero) Comment
  UCD125565  Stachys bullata Alan T. Whittemore 1976-5-31 136 San Mateo Alpine Road, near east end of Corte Madera Creek Trail. Comment
  SEINET3559385 Image available Stachys pycnantha Lewis S. Rose 1934-5-27 34279 San Mateo Emerald Lake. Comment
  SEINET13948132 Image available Stachys rigida Lewis S. Rose 1950-1 50139 San Mateo Emerald Lake region, alt ca 800 ft. hills W of Redwood City 244 Comment
  SEINET10499276 Image available Stachys rigida subsp. quercetorum A. Arthur Heller 1907-5-28 Heller 8577 San Mateo Above Crystal Springs on the Half Moon Bay road Comment
  JROH2895  Stachys rigida var. quercetorum John Hunter Thomas 1983-4-21 21642 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  JROH5848  Stachys rigida var. quercetorum Marcel Reeves 1954-4-23 49 San Mateo Jasper Ridge Biological Preserve, Stanford University; above Searsville Lake 167 Comment
  NY415807  Stachys viarum A. A. Heller 1907-5-28 8581 San Mateo Back of San Mateo on the Half Moon Bay road Comment
  CAS-BOT-BC394063  Stellaria media Margaret A. Barry 1937-5-15 88 San Mateo Coal Mine Ridge Comment
  JROH1792  Stellaria nitens Toni Corelli 2006-3-22 309 San Mateo Jasper Ridge Biological Preserve, Stanford University; along Trail 5, lost serpentine trail 121 Comment
  CAS-BOT-BC375210  Stephanomeria elata John Thomas Howell 1939-10-8 15369 San Mateo Pt. San Pedro Comment
  CAS-BOT-BC375911  Stephanomeria virgata Le Roy Abrams 1902-9-28 3002 San Mateo New Grade Road - near Portola 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
  JROH5336  Stipa pulchra John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM296440  Stuckenia pectinata Lyman Benson 1932-6-29 3750 San Mateo Lake Searsville, Santa Cruz Mt. range, San Francisco Bay watershed. 152 Comment
  CAS-BOT-BC423012  Stylomecon heterophylla A. D. E. Elmer 1903-4-1 4921 San Mateo Spanishtown Comment
  CAS-BOT-BC423015  Stylomecon heterophylla Walter Knight; Irja Knight 1965-3-27 1017 San Mateo San Bruno Mountain. Devil's Gulch. Comment
  UC306701  Stylomecon heterophylla A. D. E. Elmer April, 1903 4921 San Mateo Spanishtown Comment
  CAS-BOT-BC271637  Symphoricarpos albus var. laevigatus C. F. Baker 1901-9-5 238 San Mateo West side Kings Mt. Comment
  UC527526  Symphoricarpos albus var. laevigatus C. B. Wolf 1931-8-20 San Mateo 2 mi back Stanford University (near Schenkel's Camp, Los Trancos Creek); Los Trancos Creek 91 Comment
  RSA246190  Symphoricarpos albus var. laevigatus E. K. Balls 1965-9-18 12170 San Mateo 1 mile W from Skywood along Hwy 81 from Woodside to junction with Hwy 35. Comment
  CAS-BOT-BC237061  Symphoricarpos mollis Eric Walther 1919-7-4 s.n. San Mateo Woodside Comment
  CAS-BOT-BC237071  Symphoricarpos mollis Fred Hemphill 1973-4-22 790 San Mateo Area north of Malabar Road and Melendy Drive, San Carlos 207 Comment
  CAS-BOT-BC344896  Symphyotrichum chilense Peter Rubtzoff; Roman Gankin 1975-9-11 8377 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains Comment
  CAS-BOT-BC99085  Symphyotrichum chilense W. R. Dudley 1899-12-2 s.n. San Mateo Near the coast between Pebble Beach and White House Creek - Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC99090  Symphyotrichum chilense W. R. Dudley 1905-9-24 s.n. San Mateo Black Mountain - Santa Cruz Peninsula Comment
  CAS-BOT-BC99098  Symphyotrichum chilense Helen D. Geis 1901-10-25 s.n. San Mateo Near Spaingstown (Half Moon Bay) Comment
  JEPS49084  Symphyotrichum subspicatum Lewis S. Rose 1966-8-15 66083 San Mateo Pillar Point Comment
Read comments
Feb 2 2012
  CAS-BOT-BC376918  Taraxacum officinale Paul Reeberg 1989-5-1 s.n. San Mateo San Bruno Mountains. Junction of Randolph Ave. and Hillside Blvd. Comment
  JROH2997  Taraxia ovata W. R. Dudley 1894-3-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; canada above Searsville Reservoir Comment
  JROH370  Tauschia hartwegii John Hunter Thomas 1980-4-24 19897 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA262237  Tauschia kelloggii John H. Thomas 1971-5-2 15857 San Mateo About 4 miles SW of center of Redwood City; near intersection of Canada and Edgewater roads. 305 Comment
  RSA210918  Taxus brevifolia John H. Thomas 1968-12-18 14866 San Mateo Oakland YMCA Camp near Loma Mar, between Pescadero and La Honda Comment
  UCR122916  Tellima grandiflora George K. Helmkamp, E. A. Helmkamp 2001-6-2 6786 San Mateo San Francisco Bay Region, Purisima Creek Road, east of Half Moon Bay at Purisima Creek, 3.2 miles east of CA Hwy 1 244 Comment
  UCR141449  Tellima grandiflora June Latting 1975-6-8 s.n. San Mateo Santa Cruz Mtns., Pescasero Road, 8 miles east of highway Calif. Hwy 1 122 Comment
  CAS-BOT-BC447484  Tellima grandiflora Roxana S. Ferris 1920-4-26 1964 San Mateo Pescadero near mouth of canon 152 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
  CAS-BOT-BC399841  Thalictrum polycarpum A. D. E. Elmer 1903-6-1 4425 San Mateo Butano Creek Comment
  CAS-BOT-BC202036  Thinopyrum ponticum Elizabeth McClintock; Paul Reeberg 1989-8-19 s.n. San Mateo San Bruno Mountains. Along Bayshore Boulevard 15 Comment
  CAS-BOT-BC66664  Thysanocarpus curvipes John H. Thomas 1971-4-3 15745 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  CAS-BOT-BC66678  Thysanocarpus curvipes Alice Eastwood 1914-3-12 s.n. San Mateo San Bruno Hills. Comment
  JROH1598  Thysanocarpus curvipes John Hunter Thomas 1982-4-28 20870 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1616  Thysanocarpus curvipes John Hunter Thomas 1988-4-6 24368 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH1622  Thysanocarpus curvipes John Hunter Thomas 1991-4-6 24974 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  CAS-BOT-BC66681  Thysanocarpus curvipes Walter Knight; Irja Knight 1967-5-1 s.n. San Mateo San Bruno Mountain. Owl's Canyon. Comment
  JROH1604  Thysanocarpus curvipes John Hunter Thomas 1985-4-6 23511 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  RSA0039332  Thysanocarpus curvipes var. curvipes Carl B. Wolf 1929-5-17 3716 San Mateo 1 mi. west of Skyline Drive on Alpine Road. Comment
  JROH402  Torilis nodosa John Hunter Thomas 1989-5-5 24656 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH405  Torilis nodosa John Hunter Thomas 1991-5-9 25043 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET3876264 Image available Torreya californica Ira L. Wiggins 1945-5-5 11161 San Mateo Along La Honda Creek about 1 mile above La Honda.; 0 152 Comment
  CAS-BOT-BC172905  Toxicodendron diversilobum Ned Cahill 1974-5-13 241 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City. Located within five feet of the stream. Comment
  UCSB17162  Toxicodendron diversilobum Schulte, John 1963-4-23 San Mateo Jasper Ridge, 3 miles southwest of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 137 Comment
  JROH4758  Toxicoscordion fremontii John H. Thomas 1973-4-14 16553 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA7720  Tragopogon dubius I. J. Campbell 1964-11-19 San Mateo State Highway 1 & Whitehouse Ranch Road, Pescadero. 0 Comment
  CAS-BOT-BC389711  Tragopogon porrifolius L. Sigal 1969-5-1 280 San Mateo Campus of San Mateo Comment
  POM63947  Trichostema lanceolatum C. F. Baker 1901-10-20 55 San Mateo Summit of Coast Range Comment
  RSA0035128  Trientalis europaea var. latifolia W. M. Arbaugh 1968-4-24 257 San Mateo Butano State Park. Comment
  CHSC42204  Trientalis latifolia Rusti Gammon 1986-3-30 12 San Mateo Ca. 8.1 mi sw of Saratoga, 4.1 mi w off hwy 9. 569 Comment
  UC1123294  Trientalis latifolia N. K. Carlson 1935-7-3 118 San Mateo 3 mi s of Bellvale 91 Comment
  RSA18333  Trientalis latifolia Carl B. Wolf 1929-5-6 3702 San Mateo Near E base La Honda Grade, Santa Cruz Mts. Comment
  CAS-BOT-BC157980  Trifolium amplectens Peter Rubtzoff 1976-3-28 8450 A San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio junction; in East Fork Colma Creek canyon area Comment
  SEINET881659 Image available Trifolium bicephalum A. D. E. Elmer 1903-1 4812 San Mateo San Pedro. Comment
  POM349486  Trifolium bifidum D. D. Keck 1932-6-1 1789 San Mateo Above Woodside on the La Honda road, east slope of the Santa Cruz Mountains 305 Comment
  POM88143  Trifolium bifidum L. R. Abrams 1902-5-20 2470 San Mateo Kings Mountain Comment
  JROH2253  Trifolium bifidum var. decipiens John H. Thomas 1967-5-12 12879 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC575709  Trifolium bifidum var. decipiens Lewis S. Rose 1935-5-1 35134 San Mateo Redwood City Comment
  UC202758  Trifolium ciliolatum A. D. E. Elmer May, 1903 4789 San Mateo Portola 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
  JROH2281  Trifolium fucatum Marie Tifft 1952-5-10 42 San Mateo Jasper Ridge Biological Preserve, Stanford University; above Searsville Lake Comment
  JROH2285  Trifolium fucatum John H. Thomas 1957-4-16 6653 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent slopes Comment
  JROH2304  Trifolium fucatum John Hunter Thomas 1986-4-30 23985 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC866776  Trifolium fucatum Alice Eastwood 1915-6-13 4720 San Mateo Granada Comment
  JROH2307  Trifolium fucatum John Hunter Thomas 1990-4-14 24807 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SBBG39547  Trifolium fucatum L. S. Rose 1970-4-8 San Mateo Black Mtn, W of San Mateo 121 Comment
  RSA95543  Trifolium fucatum var. fucatum L. S. Rose 1953-4-5 53014 San Mateo Redwood City, along Bayshore Highway. 3 Comment
  UCSC003369  Trifolium fucatum var. fucatum Randall Morgan 2001-5-9 3730 San Mateo on bluff at San Gregorio State Beach, San Mateo County Comment
  SJSU15442  Trifolium glomeratum Toni Corelli 2010-5-13 602 San Mateo Pedro Point Headlands, Pacifica, CA, disturbed area along South Ridge Trail, west of Hwy. 1 100 Comment
  UCD78049  Trifolium glomeratum Robert E. Preston 2004-6-10 2253 San Mateo Ca. 8 miles NW of Boulder Creek, in Pescadero Creek watershed. 162 Comment
  JROH2316  Trifolium gracilentum John H. Thomas 1971-4-24 15776 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA27958  Trifolium gracilentum T. C. Fuller 1967-6-13 15941 San Mateo Half Moon Bay Harbor, north edge of the town of Half Moon Bay. 0 Comment
  UCSB8433  Trifolium gracilentum Haller, John 1950-3-24 San Mateo Near Atherton, 3 miles northwest of Stanford University Comment
  JROH2322  Trifolium hirtum John Hunter Thomas 1984-4-24 23300 San Mateo Jasper Ridge Biological Preserve, Stanford University; Sand Hill Road fence Comment
  RSA262230  Trifolium hirtum John H. Thomas 1971-4-25 15792 San Mateo Intersection of Interstate 280 and Sand Hill Rd., behind the Stanford University Campus. Comment
  CAS-BOT-BC5350  Trifolium macraei Adolph Daniel Edward Elmer 1903-5-1 4812 San Mateo San Pedro Comment
  POM20403  Trifolium microcephalum A. D. E. Elmer 1903-04 4856 San Mateo Portola. Comment
  CDA28004  Trifolium microdon D. G. Kelch 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  UCD109275  Trifolium oliganthum R. Tofsrud 1952-1 2 San Mateo Near Foster. Comment
  CDA33537  Trifolium resupinatum L. Kuwahara 2010-6-11 PDR# 1621663 San Mateo Menlo Park veterinarian submitted as clover sample. 0 Comment
  JROH2346  Trifolium subterraneum John Hunter Thomas 1980-4-10 19873 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2352  Trifolium subterraneum John Hunter Thomas 1983-4-3 21312 San Mateo Jasper Ridge Biological Preserve, Stanford University; roadside near Searsville Lab Comment
  JROH2366  Trifolium subterraneum John Hunter Thomas 1989-4-20 24645 San Mateo Jasper Ridge Biological Preserve, Stanford University; new bridge below San Francisquito Creek below dam Comment
  SEINET10577426  Trifolium tridentatum var. tridentatum Charles F. Baker 1903-4-8 Baker 3011 San Mateo San Andreas Lake Comment
  JROH2376  Trifolium variegatum John H. Thomas 1957-4-16 6650 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET4206967  Trifolium variegatum Lewis S. Rose 1953-4-5 53011 San Mateo Redwood City, CA, along Bayshore Highway.; 0 3 Comment
  LA205198  Trifolium variegatum LeRoy Abrams; 1914-4-2 5077 San Mateo Menlo Heights Comment
  RSA6422  Trifolium variegatum var. melananthum D. D. Keck 1434 San Mateo Burlingame 2 Comment
  JROH2398  Trifolium willdenovii John H. Thomas 1967-5-10 12844 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2413  Trifolium willdenovii John Hunter Thomas 1988-5-3 24446 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM18843  Trifolium willdenovii C. F. Baker 1902-4-4 451 San Mateo Crystal Springs Lake. Comment
  POM226853  Trifolium willdenovii L. R. Abrams 1914-4-2 5075 San Mateo Menlo Heights. Comment
  JROH4728  Trillium chloropetalum John H. Thomas 1976-4-2 18075 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4730  Trillium chloropetalum John H. Thomas 1978-4-8 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  RSA3927  Trillium chloropetalum var. chloropetalum W. R. Dudley 1900-3-18 s.n. San Mateo Below San Andreas Dam. Comment
  CAS-BOT-BC521202  Trillium chloropetalum var. giganteum W. R. Dudley 1901-3-16 s.n. San Mateo Santa Cruz Peninsula: Los Trancos Creek Comment
  CAS-BOT-BC521205  Trillium chloropetalum var. giganteum L. R. A. 1902-4-13 2331 San Mateo Crystal Springs Lake Comment
  RSA378199  Trillium chloropetalum var. giganteum Carl B. Wolf 1927-2-17 200 San Mateo 2 miles back of Stanford University along San Francisquito Creek. 61 Comment
  CAS-BOT-BC133431  Trillium ovatum John Hunter Thomas 1954-4-3 3822 San Mateo Along San Gregorio Creek about 1.5 miles west of La Honda 106 Comment
  UC202804  Trillium ovatum A. D. E. Elmer April, 1903 4752 San Mateo Portola Comment
  SEINET8502272  Trillium ovatum R. L. Oliver 1976-4-18 s.n. San Mateo San Mateo Memorial Park, La Honda. Comment
  CAS-BOT-BC238555  Triphysaria floribunda C. F. B. 1902-3-22 346 San Mateo South San Francisco 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
  SBBG54528  Triphysaria floribunda F. W. Pennell, D. D. Keck 1940-5-15 25426 San Mateo 4 mi W of Burlingame 152 Comment
  UC311192  Triphysaria floribunda A. D. E. Elmer April, 1903 4522 San Mateo South San Francisco Comment
  JEPS3988  Triphysaria pusilla Dr. L. M. Newlon 1919-4-14 4 San Mateo Moss Beach 22 Comment
  JROH4132  Triphysaria pusilla John H. Thomas 1956-4-7 5608 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent slopes Comment
  SBBG40480  Triphysaria versicolor subsp. versicolor W. J. Dress 1951-5-12 San Mateo 4.5 mi N of Pigeon Point Comment
  JROH5468  Trisetum canescens John Rawlings 2013-4-16 1131 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along the Escobar Gate fence line about 100 m east of the gate. 149 Comment
  UC1133960  Triteleia laxa N. Carlson 1935-6-20 71 San Mateo between Slate and Oil Creek Santa Cruz Quad. 60 Comment
  JROH5533  Typha angustifolia John H. Thomas 1967-5-31 12928 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR101543  Ulex europaeus Don Pendleton 1993-11-20 s.n. San Mateo San Francisco Bay Area, South San Francisco, south side of Hickey Blvd. between Junipero Serra Blvd. and the 280 Fwy, east of Mandarin Dr. and west of Longford Dr., at edge of Daly City, SW of Cypress Lawn Cemetery Comment
  UCR78329  Ulex europaeus Don Pendleton 1993-10-28 s.n. San Mateo San Francisco Bay Area, San Bruno Mountain State/County Park, 0.3 mi. east of the park gate/parking lot on Guadalupe Canyon Parkway 300 Comment
  JROH4226  Ulmus minor John Hunter Thomas 1992-5-14 25222 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near boat ramp Comment
  CAS-BOT-BC91223  Umbellularia californica J. H. Thomas 1949-3-31 207 San Mateo King's Mountain Road. Comment
  RSA623612  Umbellularia californica C. B. Wolf 1928-2-11 1471 San Mateo East base of Kings Mountain Road.. . Comment
  CAS-BOT-BC382766  Uropappus lindleyi John H. Thomas 1971-5-2 15842 San Mateo Near intersection of Canada Road and Edgewater Road, about three miles westward from Redwood City 152 Comment
  CAS-BOT-BC382768  Uropappus lindleyi Margaret A. Barry 1937-5-15 132 a San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC403967  Urtica dioica subsp. gracilis Peter H. Raven 1950-4-30 1979 San Mateo In the Montara Mts. ca. 1/2 mile N. of Montara 91 Comment
  CAS-BOT-BC404025  Urtica dioica subsp. holosericea Le Roy Abrams 1901-9-1 2218 San Mateo Menlo Park Comment
  POM204437  Urtica dioica subsp. holosericea E. C. Sutliffe 1933-7-12 s.n. San Mateo Between the Skyline Blvd and La Honda on the Alpine Creek Road. Comment
  CAS-BOT-BC412533  Urtica urens J. H. Thomas 1961-5-6 9225 San Mateo About 1/4 mile west of center of Pescadero 15 Comment
  CAS-BOT-BC471249  Vaccinium cespitosum Peter W. Fritsch; Doug Allshouse 2015-2-26 1967 San Mateo San Bruno Mountain County Park, west end of San Bruno Mountain, at Kamchatka Point just below the Ridge Trail 318 Comment
  RSA174017  Vaccinium cespitosum R. F. Thorne, Percy C. Everett, K. Thorne 1963-6-9 32214 San Mateo On Kamchatka Point near TV tower on San Bruno Mountain. 335 Comment
  CAS-BOT-BC199362  Vaccinium ovatum George Oberlander 1949-4-17 67 San Mateo Cahill Ridge Comment
  POM222793  Vaccinium ovatum S. S. Berry 1909-3-13 s.n. San Mateo San Mateo Comment
  CAS-BOT-BC199372  Vaccinium ovatum Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo Huckleberry Ridge Comment
  RSA0074198  Vaccinium ovatum K. Hoppough 1929-5-8 3027 San Mateo King's Mountain. Comment
  CAS-BOT-BC199464  Vaccinium parvifolium W. R. Dudley 1895-9-15 s.n. San Mateo El Corte de Madera, west side Santa Cruz Range Comment
  CAS-BOT-BC199467  Vaccinium parvifolium A. D. E. Elmer 1903-5-1 4924 San Mateo Butano Creek Comment
  UC22218  Vaccinium parvifolium W. J. V. Osterhout Jul 1899 San Mateo Near Pescadero Comment
  SEINET3559610 Image available Vagnera sessilifolia Lewis S. Rose 1933-4-9 33070 San Mateo Belmont. Comment
  CAS-BOT-BC76137  Vancouveria planipetala A. D. E. Elmer 1903-5-1 4922 San Mateo On the Pescadero Creek, Iverson's Place. Comment
  JROH4256  Verbena bonariensis Carol Zabel 2006-8-21 63 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4262  Verbena lasiostachys var. lasiostachys John Hunter Thomas 1977-6-16 18774 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4272  Verbena lasiostachys var. scabrida John H. Thomas 1968-5-22 14463 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near edge of lake Comment
  UC112848  Veronica americana Katharine Brandegee July 1908 San Mateo near San Pedro Comment
  CAS-BOT-BC157690  Veronica americana Peter Rubtzoff 1978-7-8 9231 San Mateo San Bruno Mountain. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  JROH4151  Veronica peregrina subsp. xalapensis John H. Thomas 1974-4-25 17218 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM283784  Veronica peregrina var. xalapensis Lyman D. Benson 1930-5-21 2143 San Mateo Lake Searsville. 152 Comment
  JROH4155  Veronica persica Carol Zabel 2007-4-30 67 San Mateo Jasper Ridge Biological Preserve, Stanford University; caretaker's garden area and other areas around the caretaker's residence Comment
  SBBG30068  Vicia benghalensis J. T. Howell 1938-6-4 13886 San Mateo Burlingame Comment
  SJSU15772  Vicia benghalensis Toni Corelli 2010-6-1 635 San Mateo Wavecrest, west of Highway 1 in Half Moon Bay. 24 Comment
  SEINET2064196  Vicia nigricans subsp. gigantea C. W. Sharsmith 1947-4-13 6750 San Mateo Summit of seaward border of coastal bluff, Pescadero Beach, near Pescadero Point Comment
  JROH2443  Vicia sativa subsp. sativa H. J. Dengler 1975-4-10 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; by "road" onto J.R. from Westridge, Goya Road entrance; 200 m from Westridge fence Comment
  JROH2449  Vicia sativa subsp. sativa John Hunter Thomas 1983-4-3 21311 San Mateo Jasper Ridge Biological Preserve, Stanford University; old beach area Comment
  UCR121557  Vicia tetrasperma George K. Helmkamp, E. A. Helmkamp 1999-6-28 4979 San Mateo Pescadero Creek Watershed, Pescadero Road just north of Loma Mar 107 Comment
  SBBG50995  Vinca major J. Doty 1969-3-27 611 San Mateo W side of State Hwy 1, ca. 4 mi N of San Gregorio State Beach Park 30 Comment
  CAS-BOT-BC264030  Viola adunca W. R. Dudley 1894-3-28 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Pebbly Beach, Pescadero Comment
  CAS-BOT-BC264036  Viola adunca W. R. Dudley 1894-3-28 s.n. San Mateo Near Pebble Beach, Pescadero Comment
  CAS-BOT-BC264038  Viola adunca Rimo Bacigalupi 1922-3-27 s.n. San Mateo Road between Whitehouse Creek and Gazos Creek Comment
  CAS-BOT-BC264039  Viola adunca