Search Results — 2000 specimen records retrieved (1358 records with coordinates)
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Results for search: County=SAN MATEO; Source=All;   

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

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC233753  Abronia umbellata L. R. Abrams 1909-8-2 4276 San Mateo Pebble Beach Hotel, Pescadero, Santa Cruz Peninsula Comment
  CAS-BOT-BC451118  Acaena pinnatifida var. californica Reed C. Rollins 1942-4-30 3015 San Mateo San Bruno Hills, 1 mile south of Daly City. Comment
  POM139634  Acaena pinnatifida var. californica A. D. E. Elmer 1903-04 4823 San Mateo San Bruno Hills. Comment
  CAS-BOT-BC451130  Acaena pinnatifida var. californica Elizabeth McClintock; Carlyn Halde 1967-5-14 s.n. San Mateo East facing slope below parking lot; San Bruno Mountains Comment
  CAS-BOT-BC219603  Acanthomintha duttonii Harry A. Dutton; Miss. H. A. Walker 1915-5-26 3819 San Mateo Near the Menlo Golf Club Comment
  RSA116907  Acer macrophyllum W. R. Dudley 1906-6-30 s.n. San Mateo Los Truncos Road, near Los Truncos Dairy Comment
  RSA131008  Acer macrophyllum Josephine Randall 1908-3-22 s.n. San Mateo Corte de Madera Canyon near Alpine Road Comment
  UCD117084  Acer negundo C. F. Baker 1902-5-15 472 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC336918  Acer negundo var. californicum Ira L. Wiggins 1925-4-11 1633 San Mateo Hillside across from Schroder's. One and one half miles about Stanford University. 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
  CAS-BOT-BC21600  Achillea millefolium Elizabeth McClintock 1963-6-9 s.n. San Mateo San Bruno Mountain Comment
  JROH444  Achillea millefolium John H. Thomas 1975-6-5 17943 San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack 154 Comment
  JROH449  Achillea millefolium John Hunter Thomas 1983-6-29 22701 San Mateo Jasper Ridge Biological Preserve, Stanford University; top of Rattlesnake Rock 105 Comment
  JROH454  Achillea millefolium John Hunter Thomas 1989-5-9 24703 San Mateo Jasper Ridge Biological Preserve, Stanford University 180 Comment
  UCR254762  Achillea millefolium Peter Rubtzoff 1977-6-21 9065 San Mateo San Francisco Bay Region, San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 213 Comment
  CAS-BOT-BC21582  Achillea millefolium Cherie Wetzel 1969-6-20 863 San Mateo Near Canada College, Redwood City, just off Farm Hill Blvd. Comment
  RSA416209  Achillea millefolium var. californica Glenn A. Gorelick 1967-4-14 s.n. San Mateo San Bruno Mountains, overlooking Daly City near San Francisco. Comment
  JROH459  Achyrachaena mollis John H. Thomas 1963-5-12 10079 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH461  Achyrachaena mollis John H. Thomas 1970-4-28 15607 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH462  Achyrachaena mollis John H. Thomas 1971-4-10 15754 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH473  Achyrachaena mollis John Hunter Thomas 1986-5-6 24010 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSB17226  Achyrachaena mollis 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 Mounatins 152 Comment
  CAS-BOT-BC29103  Achyrachaena mollis W. R. Dudley 1899-5-14 s.n. San Mateo Fields southwest of Baden Comment
  UC336187  Achyrachaena mollis Kellogg and Harford San Mateo Plains of Sacramento Comment
  SJSU16007  Acmispon parviflorus Toni Corelli, John Rawlings 2016-5-27 1849 San Mateo Bean Hollow bluff trail, west of Hwy 1 south of Pescadero 8 Comment
  JROH2079  Acmispon strigosus John H. Thomas 1975-4-18 17787 a San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2081  Acmispon strigosus John Hunter Thomas 1983-4-21 21634 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2093  Acmispon wrangelianus John H. Thomas 1966-4-24 11578 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2096  Acmispon wrangelianus John H. Thomas 1970-4-29 15617 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC391675  Actaea rubra W. R. Dudley 1904-4-23 s.n. San Mateo Santa Cruz Mountain Peninsula. By lower part Goat Ranch Creek Comment
  CAS-BOT-BC139952  Adenostoma fasciculatum Fred Hemphill 1973-4-22 744 San Mateo San Carlos, area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC139956  Adenostoma fasciculatum David D. Keck 1932-5-25 1781 San Mateo Hills two miles west of Belmont Comment
  CAS-BOT-BC389683  Adenostoma fasciculatum Mary Wicksten 1969-6-24 s.n. San Mateo Miwok area - Huddart Park Comment
  LA207851  Adenostoma fasciculatum David D. Keck; 1932-5-25 1781 San Mateo Hills 2 mi. W. of Belmont Comment
  JROH3581  Adenostoma fasciculatum var. fasciculatum Gelsomina Smith 1951-6-5 122 San Mateo Jasper Ridge Biological Preserve, Stanford University 121 Comment
Read comments
Feb 26 2015
  RSA85065  Adenostoma fasciculatum var. fasciculatum D. D. Keck 1932-5-25 1781 San Mateo Hills 2 miles W of Belmont Comment
  SEINET10966201  Adiantum aleuticum Mary Susan Taylor 1978-8-30 Taylor 1864 San Mateo Comment
  RSA15284  Adiantum jordanii C. B. Wolf 1927-4-3 252 San Mateo 1 mile above La Honda. Santa Cruz Mountains Comment
  UCSB18581  Adiantum jordanii Muirhead, M. 1964-4-17 San Mateo Crocker Estate, Hillsborough 91 Comment
  CAS-BOT-BC202671  Aesculus californica A. D. E. Elmer 1903-6-1 4258 San Mateo Crystal Springs Lake Comment
  CHSC397  Agoseris apargioides V. Holt 1943-4-21 San Mateo San Mateo 30 Comment
  JEPS19378  Agoseris apargioides Rimo Bacigalupi and L. R. Heckard, Tsan-Iang Chuang 1937-4-11 73 San Mateo along, (s of San Francisco) Skyline Boulevard; San Francisco Comment
  SD41371  Agoseris apargioides Edith A. Purer 1933-8-25 5515 San Mateo Sand dunes, near Skyline Drive. Comment
  RSA292572  Agoseris grandiflora Lyman Benson 1935-5-12 6553 San Mateo Menlo Park 30 Comment
  CAS-BOT-BC23025  Agoseris grandiflora var. grandiflora George Oberlander 1949-7-30 333 San Mateo Grassland near San Andreas Lake Comment
  JROH480  Agoseris grandiflora var. grandiflora John H. Thomas 1967-6-1 12959 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC23018  Agoseris grandiflora var. grandiflora W. R. Dudley 1894-4-21 s.n. San Mateo San Mateo ravine Comment
  JROH490  Agoseris heterophylla John H. Thomas 1971-4-10 15758 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC15246  Agoseris hirsuta John Thomas Howell 1924-10-19 693 San Mateo Daly City Comment
  RSA116783  Agoseris hirsuta W. R. Dudley 1901-5-11 s.n. San Mateo Near Colma Comment
  RSA796393  Agrostis capillaris Peter Rubtzoff 1978-7-8 9223 San Mateo Saddle' area on north side of Guadalupe Canyon Parkway, West of Radio Road junction. Upper part of East Fork Colma Creek Canyon area. Comment
  POM88024  Agrostis exarata Le Roy Abrams 1901-5-14 1640 San Mateo Stanford University, Jasper Ridge Comment
Read comments
Feb 18 2012
  SJSU15956  Agrostis exarata John Rawlings, Ken Hickman 2016-5-26 1833 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
  UC36879  Agrostis exarata Michener and Bioletti 1893-6-15 134 San Mateo Baden Comment
  UCD37960  Agrostis exarata Beecher Crampton 1962-6-11 6498 San Mateo San Mateo County, northern city limits of Pacifica, along State Highway 1, just southwest of its junction with Skyline Boulevard. Comment
  UCD52319  Agrostis exarata Beecher Crampton 1962-6-11 6498 San Mateo Pacifica, N. city limits, along State Hwy. 1, just s.w. of its junction with Skyline Blvd. Comment
  SEINET10790038  Agrostis exarata var. monolepis Edwin B. Copel 1903-8-13 Copeland 3308 San Mateo Montara Point. 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
  JROH4789  Agrostis pallens John H. Thomas 1971-5-30 15964 San Mateo Jasper Ridge Biological Preserve, Stanford University 128 Comment
  RSA457455  Agrostis pallens Lyman Benson 1937-6-24 8390 a San Mateo Coal Mine Ridge. South of Stanford University. 396 Comment
Read comments
Aug 8 2011
  JROH4156  Ailanthus altissima John H. Thomas 1980-11-18 20172 San Mateo Jasper Ridge Biological Preserve, Stanford University 98 Comment
  CAS-BOT-BC138242  Aira caryophyllea var. caryophyllea John H. Thomas 1955-4-6 4845 San Mateo San Bruno Mountain just north of South San Francisco. 91 Comment
  CAS-BOT-BC138246  Aira caryophyllea var. caryophyllea H. A. Borthwick 1920-6-1 187 San Mateo Santa Cruz Mountain Peninsula. Back of Redwood City. Comment
  UC1731201  Allium dichlamydeum Dean W. Taylor 1988-5-19 9644 San Mateo San Bruno Mountain, northern slope of southeast ridge of the mountain, near the ridgecrest, eastern-most set of PG&E high-voltage powerlines crossing the mountain 176 Comment
  UC398649  Allium dichlamydeum L. R. Abrams 1926-5-26 San Mateo a short distance s original station <type locality?> (w slope of San Bruno Hills); San Bruno Hills Comment
  SEINET12043950  Allium dichlamydeum H. L. Mason 1921-1 s.n. San Mateo Jasper Ridge near Sand Hell Caves Comment
  UCD138520  Allium falcifolium R. E. Dengler 1960-4-12 28 San Mateo Jasper Ridge, Stanford Biological Reserve. 190 Comment
  CAS-BOT-BC471100  Allium lacunosum var. lacunosum Lewis S. Rose 1931-5-15 s.n. San Mateo Emerald Lake, west of Redwood City Comment
  RSA244729  Allium neapolitanum J. Ed McClellan, Bonnie McClellan 1972-04 s.n. San Mateo Bernal Ave., Burlingame. Comment
  CDA928  Allium peninsulare D. G. Kelch, B. G. Baldwin, Sue Bainbridge, Abigail Moore 2005-6-21 5 .366 San Mateo S.F. Water District land, near Spring Valley. NE corner Pilarcitos Lake. Comment
  SEINET182862  Allium peninsulare John Campbell 1925-1-1 San Mateo Burlingme Comment
  CAS-BOT-BC132029  Allium peninsulare var. franciscanum L. R. A. 1902-5-4 2411 San Mateo Woodside Comment
  CAS-BOT-BC132033  Allium peninsulare var. franciscanum A. D. E. Elmer 1903-6-1 4595 San Mateo San Mateo Comment
  JROH4557  Allium peninsulare var. franciscanum John H. Thomas 1971-5-30 15963 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH4560  Allium peninsulare var. franciscanum John Hunter Thomas 1986-5-8 24027 San Mateo Jasper Ridge Biological Preserve, Stanford University. This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC170156  Alnus rhombifolia W. R. Dudley 1901-1-19 s.n. San Mateo Coal Mine Canon [canyon]. Santa Cruz Peninsula Comment
  CAS-BOT-BC169339  Alnus rubra J. W. Gillespie 1925-4-18 s.n. San Mateo Ano [Ano] Nuevo Pt. Comment
  UC1108513  Alopecurus saccatus James McMurphy 1906-5-8 San Mateo pond near head of Crystal Springs Lakes Comment
  CAS-BOT-BC137918  Alopecurus saccatus James McMurphy 1906-5-8 s.n. San Mateo Pond near head of Crystal Springs Lakes. Comment
  JROH178  Amaranthus retroflexus John H. Thomas 1974-10-29 17651 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC44933  Ambrosia chamissonis David D. Keck 1931-10-5 1285 San Mateo 1 mile north of Salada Beach Comment
  CHSC57078  Ambrosia chamissonis Steven Triano 1988-5-24 186 San Mateo Coastal sand dunes W of Hwy. 1 ca 0.2 mi N of Pescadero Road. 9 Comment
  POM223661  Ambrosia chamissonis L. S. Rose 1935-9-29 35653 San Mateo Granada 3 Comment
  UC896705  Ambrosia chamissonis Lewis S. Rose 1938-8-14 38226 San Mateo coastal dunes El Granada 3 Comment
  CAS-BOT-BC44923  Ambrosia chamissonis Volney Rattan 1879-1-1 s.n. San Mateo Mouth Redwood Creek Comment
  RSA93926  Ambrosia chamissonis var. chamissonis F. W. Peirson 1925-9-13 6427 San Mateo Rockaway beach. Comment
  JROH3595  Amelanchier utahensis John H. Thomas 1980-5-6 19935 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3596  Amelanchier utahensis John H. Thomas 1980-5-6 19935 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC136829  Amelanchier utahensis L. R. Abrams 1909-4-27 s.n. San Mateo San Mateo [Canon] Canyon, between Pulpit Rock and the forks of the Road Comment
  CAS-BOT-BC136833  Amelanchier utahensis Elizabeth McClintock 1972-4-23 s.n. San Mateo Slope above Fern Rock Comment
  RSA385132  Ammophila arenaria Edith A. Purer 1933-7-27 18181 San Mateo 2 mi. S of Pigeon Pt. Comment
  JROH1337  Amsinckia intermedia John H. Thomas 1964-4-19 10324 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lake Comment
  SEINET12280466  Amsinckia intermedia M. T. Doutt 1931-1 246 San Mateo S of San Francisco, near Salada Comment
  JROH1350  Amsinckia menziesii John Hunter Thomas 1987-4-4 24169 San Mateo Jasper Ridge Biological Preserve, Stanford University; below Searsville Dam Comment
  UC24623  Amsinckia spectabilis Alice Eastwood April 1896 San Mateo Crystal Springs Comment
  UCD15059  Anagallis arvensis A. Bennett 1977-5-29 40 San Mateo California, San Mateo Co.; 0.7 miles north of Hayne Road intersection along Highway 35 (Burlingane); 60 Comment
  CAS-BOT-BC45192  Anaphalis margaritacea Josephine D. Randall 1907-7-23 47 San Mateo Near Crystal Springs Lake Comment
  POM151094  Anemone grayi C. F. Baker 1902-3-18 323 San Mateo King's Mountain. Comment
  CAS-BOT-BC391920  Anemone grayi unspecified 1906-6-10 s.n. San Mateo Near King's Mt. House Comment
  UC118834  Anemone oregana C. F. Baker 1902-3-18 323 San Mateo King's Mtn Comment
  CHSC23309  Angelica hendersonii Robert F. Thorne; P. Everett 1965-8-1 35077 San Mateo 21.5 mi. S of Golden Gate Bridge; on W-facing sea bluff. 68 Comment
  RSA19309  Angelica hendersonii L. S. Rose 1937-9-5 37647 San Mateo Mussel Rocks 61 Comment
  JROH189  Angelica tomentosa John Hunter Thomas 1986-5-17 24052 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC273183  Anisocarpus madioides James I. McMurphy 1909-5-25 s.n. San Mateo La Honda Comment
  UC89529  Anisocarpus madioides C. F. Baker 1902-5-10 800 San Mateo Kings Mountain Comment
  CAS-BOT-BC273175  Anisocarpus madioides W. R. Dudley 1900-5-19 s.n. San Mateo Santa Cruz Mountain Peninsula. By road near La Honda Summit 213 Comment
  CAS-BOT-BC273184  Anisocarpus madioides W. R. Dudley 1895-6-5 s.n. San Mateo Unspecified Comment
  JROH505  Anthemis cotula John Hunter Thomas 1979-6-2 19594 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
  RSA116720  Anthemis cotula W. R. Dudley 1893-6-8 s.n. San Mateo Near Cedro Cottage, Stanford University Comment
  CAS-BOT-BC280638  Anthoxanthum occidentale L. R. A. 1902-1-7 2258 San Mateo Kings Mountain Comment
  UCD85351  Anthoxanthum occidentale August L. Hormay 1932-3-6 s.n. San Mateo Blumequist Mill, 8 miles E of Pescadero. Comment
  JROH194  Anthriscus caucalis John H. Thomas 1967-5-31 12921 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD227715  Anthriscus caucalis G. K. Helmkamp, E. A. Helmkamp 1998-5-16 3745 San Mateo Portola Valley: Golden Hills Rd along Trancos Creek. 106 Comment
  JROH3600  Aphanes occidentalis John H. Thomas 1963-4-17 10036 A San Mateo Jasper Ridge Biological Preserve, Stanford University; near the "riders shack" at the Searsville end of the ridge Comment
  CAS-BOT-BC454492  Aphanes occidentalis Ned Cahill 1974-4-29 197 San Mateo Serpentine fields bordered by chapparal near the intersection of Canada and Edgewood Roads, about 3 miles westward from Redwood City Comment
  CAS-BOT-BC451562  Aponogeton distachyos Peter Rubtzoff 1955-4-2 1767 San Mateo Skyline Blvd. near the junction of Chinese Cemetery Road. Comment
  RSA201193  Aponogeton distachyos Peter Rubtzoff 1955-4-2 1767 San Mateo Skyline Blvd. near the junction of Chinese Cemetery Road. Comment
  CAS-BOT-BC405894  Aquilegia formosa Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo Bitter-cherry Ridge. Comment
  UC465556  Aquilegia formosa Milo S. Baker May, 1904 San Mateo near Burlingame Comment
  RSA51241  Aquilegia formosa var. truncata Peter H. Raven 1950-4-16 s.n. San Mateo Colma Canyon, San Bruno Mountains. 183 Comment
  UC967208  Arabis blepharophylla L. Constance, R. Bacigalupi, and C. R. Bell 1951-3-25 3369 San Mateo se side Colma Canyon 60 Comment
  JROH1921  Arbutus menziesii J. H. Thomas 1977-4-29 18578 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSB11754  Arbutus menziesii Olson, Jim 1962-4-17 San Mateo 1 mile south of La Honda on Skyline Boulevard 670 Comment
  UC1212008  Arctostaphylos James Roof 1961-4-18 San Mateo mt. spur 1/4 mi ne summit; San Bruno Mountain 335 Comment
  JROH5920  Arctostaphylos Toni Corelli 2004-4-21 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; along driveway of private lot immediately east of Goya Gate along the Preserve's boundary fence Comment
  SEINET11989294  Arctostaphylos S. W. Edwards 1982-1 s.n. San Mateo Foothill Park Comment
  UCD50392  Arctostaphylos andersonii Robert E. Preston 2001-5-29 1533 San Mateo Ca. 9 mi nnw of Boulder Creek. 377 Comment
  SEINET3410707 Image available Arctostaphylos andersonii Lewis S. Rose 1932-1-16 3214 San Mateo Brushy slopes, Kings Mt., San Mateo County, California. 640 Comment
  UCD50305  Arctostaphylos andersonii var. imbricata Walter and Irja Knight; Elizabeth McClintock 1982-3-25 4425 San Mateo Kamchatka Point, San Bruno Mountain. Comment
  SEINET11987493  Arctostaphylos andersonii var. imbricata J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4215 San Mateo from Strybing Arboretum, Golden Gate Park, San Francisco, from San Bruno Mountain Comment
  CAS-BOT-BC23545  Arctostaphylos crustacea Mrs. S. G. Suttiffe 1933-4-5 s.n. San Mateo Las Lunitas Canyon, King Mt. Comment
  SEINET12524566 Image available Arctostaphylos crustacea L. S. Rose 1942-1 42007 San Mateo Kings mountain. 600 Comment
  JROH1930  Arctostaphylos crustacea subsp. crustacea John H. Thomas 1970-7-5 15665 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5766  Arctostaphylos crustacea subsp. crustacea John Rawlings 2016-11-14 1952 San Mateo Jasper Ridge Biological Preserve, Stanford University; about 120 yards north of Road F opposite its intersection with Trail 17 to Goya Gate 178 Comment
  SJSU6083  Arctostaphylos glandulosa S. H. Casey 1969-5-18 259 San Mateo near summit of San Bruno Mt Comment
  CAS-BOT-BC24735  Arctostaphylos glandulosa subsp. glandulosa Walter Knight; Roger Raiche 1982-1-23 4421 San Mateo San Bruno Mtn. Buckeye Canyon on Oak Ridge. 103 Comment
  CAS-BOT-BC24493  Arctostaphylos imbricata Marian L. Campbell 1915-6-17 s.n. San Mateo San Bruno Hills. Comment
  CHSC39432  Arctostaphylos imbricata B. A. Stein 1981-3-1 442 San Mateo San Bruno Mt., northeast summit ridge just below Radio Rd. 396 Comment
  OBI14662  Arctostaphylos imbricata Lewis S. Rose 1961-3-2 61014 San Mateo San Bruno HIlls 366 Comment
  UCD50394  Arctostaphylos imbricata Lewis S. Rose 1961-3-2 61014 San Mateo San Bruno Hills 365 Comment
  CAS-BOT-BC38523  Arctostaphylos montaraensis Jacob Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-11 4087 San Mateo Collected from near Pacific Rock on San Bruno Mt. Comment
  CAS-BOT-BC40166  Arctostaphylos montaraensis John H. Thomas 1974-5-9 17329 San Mateo San Pedro Valley. Northern part of county, inland from Pacifica. 152 Comment
  CAS-BOT-BC40168  Arctostaphylos montaraensis Arthur Menzies 1963-2-5 6 San Mateo San Bruno Mountain Comment
  CAS-BOT-BC45601  Arctostaphylos montaraensis Walter Knight; Roger Raiche 1982-1-23 4415 San Mateo Montara Mt. 304 Comment
  UC21805  Arctostaphylos montaraensis C. T. Blake 1893-5-27 San Mateo Pilarcitos Reservoir Comment
  RSA380853  Arctostaphylos montaraensis Roman Gankin 1966-5-17 740 B San Mateo slopes of Montara Mountain Comment
  SEINET11987192  Arctostaphylos montaraensis W. Knight, Knight, I. 1981-1 3920 San Mateo Tilden Botanic Garden, Berkeley, orig. from Peak Mountain Comment
  SEINET11989201  Arctostaphylos montaraensis E. McClintock, Knight, W.; Knight, I. 1982-1 4641 San Mateo San Bruno Mountain 305 Comment
  SEINET11989280  Arctostaphylos montaraensis R. Gankin, Hildreth, W. R. 1966-1 738 San Mateo Montara Mountain Comment
  JEPS98893  Arctostaphylos pacifica James Roof 1961-4-18 San Mateo type locality; Pacific Ridge, San Bruno Mountain Comment
  CAS-BOT-BC44709  Arctostaphylos regismontana Walter Knight; Irja Knight; James B. Roof 1967-1-19 2058 San Mateo Whipple Road, near Crystal Springs Lakes Comment
  CAS-BOT-BC44743  Arctostaphylos regismontana J. Burtt Davy 1895-4-20 1049 San Mateo Lake Pilarcitos Comment
  JEPS79444  Arctostaphylos regismontana Edward Lee with H. L. Mason 1935-6-15 1432 San Mateo near summit King's Mountain Comment
  POM132205  Arctostaphylos regismontana A. D. E. Elmer 1903-03 4537 San Mateo Kings Mountain. Comment
  RSA1939  Arctostaphylos regismontana C. B. Wolf 1930-11-6 1067 San Mateo 2 mi N of Summit of Kings Mountain, Skyline Blvd. 640 Comment
  RSA636742  Arctostaphylos regismontana Jon E. Keeley, Melanie Baer Keeley 1993-9-8 24637 San Mateo NW side of Montara Mtn. 150 Comment
  SEINET3164344  Arctostaphylos regismontana L. S. Rose 1940-2-10 40001 San Mateo Kings Mountain 701 Comment
  LA42311  Arctostaphylos tomentosa Lillian Lockwood; 1908-3-28 sn San Mateo Kings Mountain, near roadside 457 Comment
  JEPS90463  Arctostaphylos tomentosa subsp. crinita Dean W. Taylor 1994-7-5 14744 San Mateo ca. 2 mi se Pescadero (far western end of ridge, on private road that leaves Cloverdale Rd. 0.3 mi s of Pescadero High School); Santa Cruz Mountains, Butano Ridge 228 Comment
  RSA380889  Arctostaphylos tomentosa subsp. crinita Roman Gankin 1966-5-17 739 San Mateo ca. .4 mile northeast of Peak Mountain of Montara Mountain range. 488 Comment
  POM299443  Arctostaphylos tomentosa subsp. crustacea L. S. Rose 1942-3-30 42007 San Mateo Kings Mountain. 183 Comment
  RSA44374  Arctostaphylos tomentosa subsp. crustacea L. S. Rose 1949-3-18 49006 San Mateo Hills west of Belmont. 91 Comment
  RSA636841  Arctostaphylos tomentosa subsp. crustacea Jon E. Keeley, Melanie Baer-Keeley 1993-9-8 24653 San Mateo NW side of Montara Mtn. 150 Comment
  UC1120104  Arctostaphylos tomentosa subsp. crustacea Beryl Schreiber 1938-10-16 2565 San Mateo King's Mountain Santa Cruz Quadrangle 609 Comment
  UC1120136  Arctostaphylos tomentosa subsp. crustacea C. M. Belshaw 1935-1-25 1464 San Mateo 4.5 mi w Woodside; Santa Cruz Quadrangle Comment
  UC1120137  Arctostaphylos tomentosa subsp. crustacea C. M. Belshaw 1935-1-25 1465 San Mateo 4.5 mi w Woodside; Santa Cruz Quadrangle Comment
  UC1120142  Arctostaphylos tomentosa subsp. crustacea A. E. Wieslander 1929-3-19 46 San Mateo Kings Mt. Rd Santa Cruz Quadrangle, Peters Creek (head of creek) 701 Comment
  CAS-BOT-BC46833  Arctostaphylos uva-ursi Arthur Menzies 1963-3-10 s.n. San Mateo San Bruno Hills Comment
  JEPS27353  Arctostaphylos uva-ursi Rimo Bacigalupi with L. Heckard and J. Roof 1961-4-24 7614 San Mateo just below rocky spur due north of true summit of mountain (directly below and ne of KQED radio power station); San Bruno Mt. 342 Comment
  SBBG21954  Arctostaphylos uva-ursi R. F. Thorne with P. C. Everett 1963-6-9 32218 San Mateo top of San Bruno Mtn, near the TV Tower 335 Comment
  UCD52049  Arctostaphylos uva-ursi Roman Gankin 1959-3-25 328 San Mateo 1/4 mile east of KRON TV station transmitter. Associated with Baccharis hybrids, Lupinus and Ceanothus. San Mateo County, California. 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
  RSA0008939  Arctostaphylos viscida subsp. viscida Edward L. Greene 1902-3-18 10654 San Mateo King's Mountain. Comment
  CAS-BOT-BC47700  Armeria maritima subsp. californica J. H. Thomas 1949-6-4 574 San Mateo 1.4 miles S. of road to Pescadero Comment
  CAS-BOT-BC47701  Armeria maritima subsp. californica Robert Robertson 1954-5-1 118 San Mateo at Pescadero Beach 6 Comment
  CAS-BOT-BC82517  Arnica discoidea W. R. Dudley 1895-9-15 s.n. San Mateo El Corte Madera Lumber Camp Comment
  JROH4837  Arrhenatherum elatius Toni Corelli 2006-5-6 310 San Mateo Jasper Ridge Biological Preserve, Stanford University; along road past Searsville Lake beach in disturbed grassy area, under large valley oak 106 Comment
  POM288964  Artemisia biennis Lyman Benson 1928-11-25 788 San Mateo Stanford Univ-- Lake Searsville. Santa Cruz Mts. 152 Comment
  CAS-BOT-BC84883  Artemisia californica J. H. Thomas 1962-11-4 10012 San Mateo Jasper Ridge, Stanford Univ. Biological Experimental Area. Near Westridge end. Comment
  JROH515  Artemisia californica L. R. Abrams 1902-12-23 3098 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA94535  Artemisia californica F. W. Peirson 1925-9-13 6429 San Mateo Rockaway beach. Comment
  JEPS44413  Artemisia douglasiana Lewis S. Rose 1965-9-4 65101 San Mateo Skyline Blvd and Half Moon Bay Road Cahill Ridge, Skyline Blvd and Half Moon Bay Road 243 Comment
  OBI49162  Artemisia douglasiana Lewis S. Rose 1938-8-18 38232 San Mateo San Mateo 30 Comment
  UC484308  Artemisia pycnocephala C. B. Wolf 1930-11-5 1806 San Mateo along coastal bluffs s of Pescadero 7 Comment
  JROH434  Asclepias fascicularis John Hunter Thomas 1977-6-7 18729 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA184853  Asclepias fascicularis L. S. Rose 1965-8-27 s.n. San Mateo Emerald Lake, West of Redwood City 122 Comment
  SDSU6358  Aster subspicatus D. F. Howe 1967-8-6 4369 San Mateo By Half Moon Bay. Comment
  CAS-BOT-BC478066  Asteraceae Peter H. Raven 1957-9-1 11302 San Mateo Along Skyline Blvd. at Woodside Road Comment
  JROH1987  Astragalus gambelianus Duncan M. Porter 1960-5-5 675 San Mateo Jasper Ridge Biological Preserve, Stanford University; meadow near crest of N-facing slope above Webb Ranch. Quadrat H-5 Comment
  POM176056  Astragalus gambelianus Lyman Benson 1930-4-17 2084 San Mateo Stanford University. 152 Comment
  RSA633304  Astragalus gambelianus Michael A. Vincent, Ethan H. Freid, Karl Vincent 1998-4-9 8203 San Mateo Along east side of Canada Road, ca. 200 yards southeast of its junction with Edgewood Road, just southwest of I-280, at Filoli Center. Comment
  SD12561  Astragalus nuttallii var. virgatus Edith A. Purer 1933-8-25 5514 San Mateo Skyline Drive. Comment
  CAS-BOT-BC66141  Athyrium filix-femina var. cyclosorum W. R. Dudley 1895-6-6 s.n. San Mateo near Pescadero Creek, Santa Cruz Mts. Comment
  JROH1437  Athysanus pusillus John Rawlings 2007-4-1 1064 San Mateo Jasper Ridge Biological Preserve, Stanford University. Serpentine slope above and south of Big Inlet drainage, 176 Comment
  UC136114  Athysanus pusillus C. F. Baker 1902-4-6 456 San Mateo Crystal Springs Lake Comment
  UC75368  Atriplex californica C. F. Baker 1902-10-1 1743 San Mateo Pillar Point Pillar Point (on banks along the coast) Comment
Read comments
Feb 2 2012
  UC1191360  Atriplex hortensis Malcolm A. Nobs, S. Galen Smith 1949-8-27 1619 San Mateo salt marshes e Redwood City; e of Redwood City Comment
  SEINET3409822 Image available Atriplex leucophylla Lewis S. Rose 1933-7-20 33305 San Mateo Sea beach, Granada, San Mateo County, California. Comment
  SJSU16064  Atriplex prostrata Toni Corelli 2009-9-9 440 San Mateo Half Moon Bay State Beach, in low dunes Comment
  UC463562  Atriplex triangularis L. R. Abrams and I. L. Wiggins 1930-11-13 175 San Mateo Skyline Blvd. 1 mi sw Colma; sw of Colma Comment
  CAS-BOT-BC146081  Avena barbata T. C. Fuller 1971-6-10 19879 San Mateo 1.6 km. east of San Gregorio. Comment
  CDA31516  Avena barbata T. C. Fuller 1969-6-12 18549 San Mateo Ca. 3 km NE of Pescadero, on south facing slope of hillside pasture 0 Comment
  JROH5754  Avena fatua J. C. Gaither 1982-4-18 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Sand Hill Road Gate, old motorcycle racetrack. Comment
  UCD56258  Avena fatua L. Angst 1917-3-18 11 a San Mateo San Mateo. Comment
  UCD56091  Avena strigosa T. C. Fuller 1971-6-10 19879 San Mateo 1.6 km east of San Gregorio. Comment
  JROH2  Azolla John Hunter Thomas 1980-11-12 20167 San Mateo Jasper Ridge Biological Preserve, Stanford University; delta Comment
  UC42329  Azolla filiculoides F. T. Bioletti 1893-6-15 San Mateo Boden Comment
  RSA18494  Baccharis douglasii C. B. Wolf 1927-7-14 626 San Mateo 1 mile west of summit of La Honda Grade Comment
  SEINET3386136 Image available Baccharis douglasii David D. Keck 1931-9-27 1271 San Mateo Dumbarton Bridge. Comment
  SJSU15816  Baccharis glutinosa John Rawlings, Ken Hickman 2016-7-21 1901 San Mateo Serpentine seep area (Fountain thistle seep) up-slope from the Hwy 92 west onramp to Hwy 280 north; down-slope from San Francisco Watershed fence line 122 Comment
  CAS-BOT-BC99511  Baccharis pilularis J. H. Thomas 1949-10-16 1144 San Mateo just north of outlet of San Gregorio Creek Comment
  POM56595  Baccharis pilularis C. F. Baker 1902-10-1 1740 San Mateo Pillar Point. Comment
  POM87046  Baccharis pilularis F. W. Peirson 1925-9-13 6425 San Mateo Rockaway beach. Comment
  RSA18342  Baccharis pilularis C. B. Wolf 1927-1-29 476 San Mateo Pebble Beach Comment
  CAS-BOT-BC16619  Barbarea orthoceras Javier Penalosa 1963-2-23 2651 San Mateo San Bruno Mountains. Ravine south of Crocker Avenue. 213 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
  JROH1450  Barbarea orthoceras John Hunter Thomas 1982-7-8 21078 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing Comment
  UCSB18661  Barbarea orthoceras Schulte, John 1963-4-14 San Mateo Jasper Ridge; 3 miles southwest of Stanford Campus; between Santa Clara Valley and main front of Santa Cruz Mountains 121 Comment
  SD99578  Barbarea orthoceras Darley F. Howe 1968-4-14 San Mateo San Francisco Game Reserve near San Bruno. Comment
  UCD97579  Bassia hyssopifolia Malcolm A. Nobs; S. Galen Smith 1949-8-27 1617 San Mateo E of Redwood City. Comment
  JROH3920  Bellardia trixago John Hunter Thomas 1980-5-8 19937 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3931  Bellardia trixago Toni Corelli 2004-4-22 272 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 9 between trail c and trail 10 on both sides of trail 190 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-BC75879  Berberis pinnata G. Edelbrock 1975-3-21 021 San Mateo On ridge at end of Crocker Street, San Bruno Mountain. 152 Comment
  UCR251686  Beta vulgaris Detlef Bartsch 2014-6-13 s.n. San Mateo Menlo Park, Bayfront Park at Marsh Road 3 Comment
  CDA3007  Beta vulgaris E. L. Labadie 1961-10-24 San Mateo Railroad tracks at Chestnut Street, Redwood City. 0 Comment
  CAS-BOT-BC66298  Blechnum spicant L. R. Abrams 1912-4-1 5000 San Mateo Butano Canyon Comment
  CAS-BOT-BC100319  Blennosperma nanum var. robustum A. D. E. Elmer 1903-4-1 4521 San Mateo San Bruno Hills Comment
  POM32550  Boisduvalia densiflora var. densiflora A. D. E. Elmer 1903-06 4273 San Mateo Crystal Springs Lake. Comment
  UC463130  Boykinia occidentalis W. R. Dudley 1895-6-6 San Mateo banks Pescadero Creek (above Iversons); Santa Cruz Peninsula, banks Pescadero Creek Comment
  CAS-BOT-BC417700  Boykinia occidentalis Josephine D. Randall 1907-7-28 361 San Mateo Iverson's near Peter's Creek Comment
  CAS-BOT-BC420226  Boykinia occidentalis H. L. Mason 1921-7-14 s.n. San Mateo Pescadero Creek on the La Honda-Pescadero Road Comment
  CAS-BOT-BC145405  Brachypodium distachyon Glenn L. Clifton 1988-5-11 17090 San Mateo Santa Cruz Mountains. San Bruno Mountain, crest of northeast ridge of Guadalupe Hills (separating Guadalupe Valley from Vistacion Valley). Right of way of eastern most set of PG&E high voltage powerlines crossing the mountian. 128 Comment
  JROH4849  Brachypodium distachyon Herb Dengler 1977-6-4 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. West of Searsville Lake above beach Comment
  CDA36483  Brachypodium sylvaticum Ellen Gartside 2011-7-18 s.n. San Mateo Woodside; on deer trail north east from trail below Old La Honda Road. Comment
  CAS-BOT-BC28048  Brassica fruticulosa Elizabeth McClintock; Paul Reeberg 1989-4-10 s.n. San Mateo Guadalupe Hills. Near horse corral. Comment
  SEINET12004611  Brassica juncea E. H. Graham 1931-1 s.n. San Mateo Ano Nuevo Pt., S of San Francisco Comment
  UC2049865  Brassica nigra H. W. Johansen 1955-4-10 48 San Mateo Pescadero Creek Road, about 4 miles E of Pescadero Comment
  CAS-BOT-BC36666  Brassica oleracea John H. Thomas 1955-11-9 5506 San Mateo Near Sanchez Adobe House, San Pedro Valley, about 8.5 miles south of San Francisco - San Mateo County line. Comment
  CAS-BOT-BC36668  Brassica oleracea John H. Thomas 1966-5-28 11644 San Mateo In central part of Menlo Park near Post Office. Comment
  CAS-BOT-BC186703  Brassicaceae Fred Hemphill 1973-3-9 628 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC145494  Briza maxima Phillip C. Wheeler 1965-4-27 s.n. San Mateo San Bruno Mountain. Sierra Point. Comment
  JROH4875  Briza maxima W. Lennihan 1989-5-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. After crossing dam, to left, on right side of path just before going downhill. Comment
  JROH4876  Briza maxima John Hunter Thomas 1990-5-29 24861 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near picnic area Comment
  UCD57161  Briza maxima S. S. Tillett; I. Sternback 1956-6-25 551 San Mateo Skyline Drive. 487 Comment
  CAS-BOT-BC145326  Briza minor A. D. E. Elmer 1903-5-1 4912 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC145331  Briza minor John H. Thomas 1961-5-13 9344 San Mateo At Franklin Point. Comment
  CHSC57109  Briza minor Steven Triano; Josephine Boyd 1988-5-24 197 San Mateo Located ca 750 ft s of Hwy. 1 and 2.9 mi s of Pigeon Point Light Station. 24 Comment
  JROH4880  Briza minor John H. Thomas 1963-5-15 10090 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET12059400  Brodiaea californica subsp. leptandra M. T. Doutt 1931-5-4 411 San Mateo Skyline Blvd., W of Hillbrae Comment
  POM169541  Brodiaea terrestris subsp. terrestris E. B. Copeland 1903-6-5 3297 San Mateo Montara Point. Comment
  CAS-BOT-BC483175  Brodiaea terrestris subsp. terrestris James McMurphy 1906-5-8 s.n. San Mateo Between Woodside and Byre's Store Comment
  CAS-BOT-BC483183  Brodiaea terrestris subsp. terrestris Helen M. Edwards 1917-4-12 s.n. San Mateo Near Crystal Springs Lake Comment
  CAS-BOT-BC483184  Brodiaea terrestris subsp. terrestris George Oberlander 1950-4-16 683 San Mateo Sawyer Ridge Comment
  JROH4967  Bromus berteroanus H. J. Dengler 1961-4-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Lower edge of gully near the last or northwest-most enclosure, just N. of serpentine Comment
  POM88018  Bromus berteroanus Le Roy Abrams 1902-5-4 2409 San Mateo Woodside. Comment
  CAS-BOT-BC149018  Bromus carinatus var. carinatus R. E. Frenkel 1963-12-7 329 San Mateo San Francisco Water District. Whiting Ridge Road, ca. 0.8 mile southwest of Spring Valley Road, at Fire Warden's Gate. Comment
  CAS-BOT-BC149019  Bromus carinatus var. carinatus R. E. Frenkel 1963-12-7 327 San Mateo San Francisco Water District. Whiting Ridge Road, ca. 0.8 mile southwest of Spring Valley Road, at Fire Warden's Gate. Comment
  JROH4899  Bromus carinatus var. carinatus W. Lennihan 1989-6-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. S.F. Creek Trail -- east side trail. Comment
  UC1131001  Bromus carinatus var. carinatus H. S. Yates 1935-5-8 5198 San Mateo 2 mi n of Langley Hill 579 Comment
  CAS-BOT-BC148769  Bromus carinatus var. marginatus Elizabeth McClintock; Paul Reeberg 1989-5-23 s.n. San Mateo San Bruno Mountains. In valley west of Guadlupe Hills. 76 Comment
  CAS-BOT-BC155721  Bromus diandrus Margaret Barry 1937-5-8 29 San Mateo Coal Mine Ridge. Comment
  CAS-BOT-BC155725  Bromus diandrus John H. Thomas 1963-5-20 10136 San Mateo Ano Nuevo Island, about 0.5 mile off shorea nd about 20 miles northwest of Santa Cruz. Comment
  CAS-BOT-BC227624  Bromus diandrus Peter Rubtzoff 1977-6-21 9068 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  SEINET3892511  Bromus diandrus R. L. Johnson 2012-4-6 12 -003 San Mateo Half Moon Bay, roadside on Redondo Beach Rd.; 0 25 Comment
  UCSB18541  Bromus diandrus Schulte, John 1963-4-28 San Mateo Jasper Ridge, 3 mi SW of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mtns 152 Comment
  CAS-BOT-BC155139  Bromus hordeaceus Phillip C. Wheeler 1965-4-27 s.n. San Mateo San Bruno Mountain. Sierra Point. Comment
  CAS-BOT-BC162408  Bromus laevipes Margaret A. Barry 1937-7-17 207 San Mateo Coal Mine Ridge. 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
  CAS-BOT-BC162310  Bromus madritensis John H. Thomas 1961-5-14 9384 A San Mateo Just north of dam on San Mateo Creek. 121 Comment
  SEINET3923660  Bromus mollis K. Harper 1984-4-25 84 -6 San Mateo Along crest of Jasper Ridge, Research Preserve, Stanford University.; 0 Comment
  SEINET9757293 Image available Bromus rigidus Robert A. Norris 1975-3-31 San Mateo near Crocker Ave., San Bruno Mts. Comment
  CAS-BOT-BC161753  Bromus rubens Ned Cahill 1974-4-30 217 San Mateo Near the inersection of Canada and Edgewood Roads, about 3 miles westward from Redwood City. Comment
  CAS-BOT-BC161754  Bromus rubens Walter Knight; Irja Knight 1965-5-15 s.n. San Mateo San Bruno Mountain. Pig Ranch Ravine. Comment
  UC676750  Cakile edentula Reed C. Rollins 1941-7-19 2961 San Mateo along beach at Half Moon Bay Half Moon Bay Comment
  UC765080  Cakile maritima R. F. Hoover 1941-2-12 4753 San Mateo Half Moon Bay Comment
  RSA26885  Cakile maritima R. C. Rollins 1941-7-19 2962 San Mateo Half Moon Bay. Comment
  CAS-BOT-BC185305  Calamagrostis koelerioides N. K. Carlson 1935-6-14 54 San Mateo 0.5 mile west of Hollow Tree Camp, north of Big Basin. 640 Comment
  POM199096  Calamagrostis nutkaensis A. D. E. Elmer 1903-05 5033 San Mateo San Pedro Comment
  JROH4973  Calamagrostis rubescens Winkie Lennihan 1980-8-13 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Just before Redwood Trail divides, to the right - divides to go up to Serpentine Meadow or on along creek. Comment
  CDA20324  Calendula arvensis Anon. 2005-3-2 PDR 1329519 San Mateo San Bruno. Balboa Way, next to San Bruno Park. 0 Comment
  JROH1635  Callitriche marginata John H. Thomas 1968-4-13 14290 C San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC492222  Calochortus albus Dr. A. Kellogg; W. G. W. Harford 1861-6-10 991 San Mateo San - handwriting illegible Comment
  SEINET12044764  Calochortus albus L. S. Rose 1935-1 35214 San Mateo 9 mi W of Stanford U Comment
  JROH4641  Calochortus luteus John Hunter Thomas 1989-5-30 24753 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near dam Comment
  CAS-BOT-BC491981  Calochortus luteus W. R. Dudley 1894-5-14 342 San Mateo Near Storkfarm, Stanford University Comment
  HSC23982  Calochortus luteus Mary Katherine Wicksten 1971-6-17 40 San Mateo Huddart Park, grassy hill above Oak Area Comment
  IRVC9063  Calochortus luteus P. W. Rundel 1964-7-8 1362 San Mateo La Honda Road; 1.5 mi. N of Portola Road Santa Cruz Mtns 274 Comment
  POM169470  Calochortus tolmiei C. F. Baker 1902-5-10 796 San Mateo Kings Mountain. Comment
  CAS-BOT-BC496828  Calochortus tolmiei W. R. Dudley 1907-4-27 s.n. San Mateo Kings Mt., Santa Cruz Mountain Peninsula Comment
  SEINET12045035  Calochortus uniflorus D. D. Keck 1932-1 1496 San Mateo above Woodside on La Honda Rd. E slope of Santa Cruz Mts Comment
  CAS-BOT-BC494041  Calochortus venustus Mrs. Alvin Seale 1932-6-5 s.n. San Mateo Hills near Redwood City Comment
  JEPS20302  Calycadenia multiglandulosa Lewis S. Rose 1956-7-9 56120 San Mateo hills w of, Emerald Lake Redwood City; Emerald Lake 182 Comment
  JROH568  Calycadenia multiglandulosa John H. Thomas 1974-10-26 17634 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM51530  Calycadenia multiglandulosa subsp. cephalotes C. F. Baker 1901-10-20 53 San Mateo Summit of Coast Range Comment
  CAS-BOT-BC224651  Calystegia purpurata subsp. purpurata Lewis S. Rose 1950-5-20 50141 San Mateo Emerald Lake region, hills w. of Redwood City 243 Comment
  CAS-BOT-BC224670  Calystegia purpurata subsp. purpurata Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo San Bruno Mountain Comment
  RSA394835A  Calystegia soldanella E. A. Purer 1933-7-27 18830 San Mateo Two miles south of Pigeon Point. Comment
  SD38401  Calystegia subacaulis Edith A. Purer 1933-5-30 3606 San Mateo Spring Valley Lake Road. Comment
  SD38402  Calystegia subacaulis Edith A. Purer 1933-5-30 3641 San Mateo Spring Valley Lakes. Comment
  SJSU8763  Calystegia subacaulis B. L. Ledwith 1960-4-13 San Mateo San Francisco Game Refuge 17 mi S of San Francisco Comment
  CAS-BOT-BC160328  Camissoniopsis cheiranthifolia subsp. cheiranthifolia A. D. E. Elmer 1903-7-1 4942 San Mateo San Pedro Comment
  CAS-BOT-BC160329  Camissoniopsis cheiranthifolia subsp. cheiranthifolia John H. Thomas 1963-5-20 10108 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  SD38657  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Edith A. Purer 1934-8-14 5916 San Mateo Half Moon Bay. Comment
  JEPS43863  Camissoniopsis micrantha William S. Cooper 1925-5-28 14 San Mateo Salada Comment
  SEINET10463189  Campanula prenanthoides Gray 1872-1 GRAY s.n. San Mateo SANTA CRUZ REDWOODS Comment
  SEINET10939004  Campanula prenanthoides Wolf 1927-8-13 WOLF 714 San Mateo LA HONDA GRADE, SANTA CRUZ MTNS Comment
  JROH1475  Capsella bursa-pastoris John Hunter Thomas 1980-4-10 19877 San Mateo Jasper Ridge Biological Preserve, Stanford University; by dam 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-BC37656  Cardamine californica W. R. Dudley 1893-4-1 s.n. San Mateo Santa Cruz Peninsula. Ravine near La Honda. Comment
  CAS-BOT-BC37658  Cardamine californica W. R. Dudley 1894-3-1 s.n. San Mateo Santa Cruz Peninsula. Near South San Francisco. Comment
  CAS-BOT-BC37670  Cardamine californica Reed Clark Rollins 1941-2-22 2937 San Mateo Santa Cruz Mountains. About 8 miles northwest of Palo Alto. 152 Comment
  CAS-BOT-BC37671  Cardamine californica J. H. Thomas 1949-3-29 186 San Mateo Kings Mountain Road. Comment
  CAS-BOT-BC37682  Cardamine californica C. F. Baker 1902-4-12 501 San Mateo La Honda. Comment
  POM176891  Cardamine californica var. integrifolia W. R. Dudley 1893-2-18 s.n. San Mateo La Honda. Santa Cruz Peninsula. Comment
  RSA3919  Cardamine californica var. integrifolia Josephine Randall 1907-6-8 118 San Mateo Portola. Santa Cruz Peninsula. Comment
  UC1301008  Cardamine californica var. integrifolia Helen K. Sharsmith 1963-2-16 5132 San Mateo slopes San Bruno Mountain (above Daly City); San Francisco Bay Region, , Daly City 106 Comment
  POM272675  Cardamine oligosperma Lyman Benson 1929-3-2 990 San Mateo Hill east of Lake Searsville. Comment
  CAS-BOT-BC37982  Cardamine oligosperma Walter Knight; Irja Knight 1965-3-14 939 San Mateo San Bruno Mountain. Romanzoffia Ravine. Comment
  UC120252  Cardionema ramosissimum T. S. Brandegee Sept. 1901 San Mateo South San Francisco Comment
  CAS-BOT-BC18186  Carex W. R. Dudley 1899-4-13 s.n. San Mateo San Francisquito Creek below Cedro Cottage Bridge, Stanford University. Comment
  JROH4311  Carex amplifolia John Rawlings, Toni Corelli 2012-5-15 1112 San Mateo Jasper Ridge Biological Preserve, Stanford University. Bear Creek at Road H crossing near boundary fence. 82 Comment
  RSA101006  Carex amplifolia G. Oberlander 1950-5-21 958 San Mateo Pilarcitos Canyon, San Francisco Watershed Reserve Comment
  SEINET10585498  Carex aquatilis Adolph D. E. Elmer Elmer 4428 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC19322  Carex barbarae John Thomas Howell 1938-5-1 13780 San Mateo Near South San Francisco. Comment
  JROH5579  Carex barbarae John Rawlings 2013-7-2 1194 San Mateo Jasper Ridge Biological Preserve, Stanford University. In rocky bed of San Francisquito Creek, north side, opposite 2013 slide on Trail 1. 80 Comment
  CAS-BOT-BC19541  Carex bolanderi Lewis S. Rose 1935-6-11 35216 San Mateo Kings Mountain. Comment
  JROH4321  Carex bolanderi Carol Zabel, Toni Corelli 2005-6-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Along Trail 13 south of Leonard's Bridge. 106 Comment
  RSA101007  Carex bolanderi G. Oberlander 1950-5-21 946 San Mateo Pilarcitos Canyon, San Francisco Watershed Reserve Comment
  CAS-BOT-BC176396  Carex densa Peter Rubtzoff 1975-5-21 7976 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  JROH4330  Carex densa John H. Thomas 1967-6-1 12984 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC30023  Carex densa J. Burtt Davy 1893-6-17 787 San Mateo Belmont Comment
  UC824434  Carex densa W. R. Dudley 1896-4-4 San Mateo near Summit Springs, Kings Mountain Comment
  CAS-BOT-BC119344  Carex obnupta J. H. Thomas 1959-4-4 7658 San Mateo Ca 0.7 mi S of Gazos Creek. Ca 6.5 mi S from Pescadero. 45 Comment
  CAS-BOT-BC176407  Carex obnupta Peter Rubtzoff; Roman Gankin 1975-5-21 7965 A San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC119343  Carex obnupta Walter Knight; Irja Knight 1963-10-7 323 San Mateo Cow Trough Ravine. San Bruno Mt. Comment
  CAS-BOT-BC176410  Carex obnupta Peter Rubtzoff 1978-5-18 9173 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC32499  Carex obnupta Henry Nicholas Bolander 1566 San Mateo Near Fort Point Comment
Read comments
Oct 30 2021
  JEPS23935  Carex serratodens Le Roy Abrams 1902-5-4 8019 San Mateo Woodside Comment
  JROH4357  Carex serratodens John H. Thomas 1968-5-3 14443 San Mateo Jasper Ridge Biological Preserve, Stanford University. North side of ridge in serpentine grasslands. Comment
  JROH4360  Carex serratodens John Hunter Thomas 1986-6-9 24093 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  POM248568  Carex subbracteata Alice Eastwood, John Thomas Howell, J. W. Stacey 1938-4-24 5256 San Mateo Pescadero. Comment
  UC836142  Carex subbracteata Alice Eastwood, John Thomas Howell 1937-5-7 4326 San Mateo Visitacion Valley Comment
  UC836144  Carex subbracteata John Thomas Howell 1938-5-1 13778 San Mateo near South San Francisco Comment
  UCR280162  Carex subbracteata Peter Rubtzoff 1976-6-30 8707 San Mateo Central Coast, San Bruno Mountains. 'Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction; westernmost part of the area on slope across fence 220 Comment
  CAS-BOT-BC116818  Carex subbracteata var. subbracteata John Thomas Howell 1938-5-1 13779 San Mateo Near South San Francisco Comment
  CAS-BOT-BC116830  Carex subbracteata var. subbracteata W. R. Dudley 1900-3-17 s.n. San Mateo Field north of Seal Cove. Comment
  CAS-BOT-BC115511  Carex tumulicola W. R. Dudley 1910-5-26 s.n. San Mateo Coal Mine Ridge near Black Mountain Comment
  CAS-BOT-BC115515  Carex tumulicola W. R. Dudley 1894-5-1 s.n. San Mateo Woodside to Crystal Springs. Comment
  UC826092  Carex tumulicola Wilhelm N. Suksdorf 1913-6-30 377 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC115505  Carex tumulicola Elizabeth McClintock; P. Reeberg 1989-5-23 s.n. San Mateo Below the east end of Ranch Road, western Guadalupe Hills. 99 Comment
  CAS-BOT-BC229012  Carex tumulicola Elizabeth McClintock; Paul Reeberg 1988-8-19 s.n. San Mateo San Bruno Mountains. Near intersection of Old Ranch Road and Eucalyptus Loop Trails 205 Comment
  CAS-BOT-BC230108  Carpobrotus chilensis Louis F. Pitelka 1973-4-30 s.n. San Mateo Bolsa Point, about 1 mile N of Pigeon Point and about 39 miles S of San Francisco Comment
  CHSC81449  Carpobrotus edulis Sabrina Wright; Brandi Pedigo, Jessica Wright, Nicky Wright 2000-3-4 San Mateo Sharp Park Rd at Hwy 1, Pacifica. 15 Comment
  SEINET12027448  Castanopsis chrysophylla Unknown 1932-1 9240 San Mateo Kings Mtn Comment
  JEPS6875  Castilleja Rimo Bacigalupi with G. T. Robbins 1954-6-18 4549 San Mateo along Skyline Blvd, 1 1/2 mi N of the crossing of the page Mill (Alpine) road Comment
  POM15449  Castilleja affinis C. F. Baker 1902-4-6 464 San Mateo Crystal Springs Lake. Comment
  SD38150  Castilleja affinis Delzie Demaree 1932-4-9 8976 San Mateo Woods, Gov. Ralph Estate Comment
  JEPS15585  Castilleja affinis subsp. affinis G. Thomas Robbins 1956-8-18 3741 San Mateo immediately n mouth of Butano Creek (nw of Pescadero) Comment
Read comments
Feb 28 2011
  JEPS47425  Castilleja affinis subsp. affinis L. R. Heckard 1964-7-26 1423 San Mateo below old road from Skyline Blvd to Edgemar Comment
  JEPS60420  Castilleja affinis subsp. affinis T. I. Chuang and F. M. Chuang 1969-6-21 6661 San Mateo about 2 mi s Half Moon Bay road junction with Skyline Boulevard Comment
  JROH3942  Castilleja affinis subsp. affinis John H. Thomas 1974-4-25 17213 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3944  Castilleja affinis subsp. affinis John H. Thomas 1976-5-26 18156 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3948  Castilleja affinis subsp. affinis John Hunter Thomas 1981-5-25 20644 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS60423  Castilleja affinis subsp. affinis T. I. Chuang and F. M. Chuang 1969-7-21 6663 San Mateo 2.5 mi from Tunitas Road junction with Skyline Boulevard (Tunitas Road) 487 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
  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
  JEPS25430  Castilleja densiflora subsp. densiflora Rimo Bacigalupi with L. R. Heckard, J. B. Roof and Lynn Harman 1961-4-24 7608 San Mateo Colma Canyon, just below road up to T.V. and radio stations on San Bruno Mountain San Bruno Mountain 228 Comment
  JROH5758  Castilleja densiflora subsp. densiflora M. Ray 1982-4-18 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Searsville Lab. Comment
  POM15376  Castilleja franciscana A. D. E. Elmer 1903-05 4527 San Mateo San Bruno Hills. Comment
  RSA428380B  Castilleja franciscana J. Doty 1969-3-26 595 San Mateo 100 yards E of jct Hwy 35 and 92, near summit of Caost Range, San Francisco Peninsula. Comment
  CAS-BOT-BC243826  Castilleja latifolia Katharine Brandegee 1917-7-29 s.n. San Mateo Tunitas Station, Ocean Shore R.R. Comment
  CAS-BOT-BC243831  Castilleja latifolia David D. Keck 1931-10-5 1289 San Mateo One mile north of Salada Beach, 200 m. from ocean. Comment
  SEINET7097932  Castilleja latifolia A. G. Vestal 1937-6-15 s.n. San Mateo Lat. 37 14' 13ao N, Long. 122 24' 55ao W (NAD27 converted to WGS84 decimal degrees). Pebble Beach west of Pescadero. UTM Zone 10, 551863 mE, 4121109 mN. Comment
  JROH3992  Castilleja rubicundula subsp. lithospermoides John H. Thomas 1955-5-6 4984 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge 182 Comment
  JROH3994  Castilleja rubicundula subsp. lithospermoides John H. Thomas 1961-4-8 9072 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3998  Castilleja rubicundula subsp. lithospermoides John H. Thomas 1974-4-25 17197 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge near the Searsville end Comment
  UC1303088  Castilleja rubicundula subsp. lithospermoides LeRoy Abrams 1915-6-7 5237 San Mateo near Woodside-Crystal Springs road junction with Whipple Road Comment
  JEPS3599  Castilleja subinclusa subsp. franciscana J. H. Thomas 1949-6-4 597 San Mateo 4 mi w La Honda (on road to Pescadero) Comment
  JEPS85202  Castilleja subinclusa subsp. franciscana Roy E. Buck and James A. West 1986-8-17 553 San Mateo ca 3.2 air km ene Franklin Point (Cascade Ranch, just s of Whitehouse Canyon Road, next drainage s of Whitehouse Creek drainage, on both sides of old ranch road) 106 Comment
  JEPS3821  Castilleja subinclusa subsp. franciscana James G. Daly Apr 1935 260 San Mateo near La Honda (San Gregorio watershed); Santa Cruz Mts., San Gregorio Comment
  JEPS18915  Castilleja wightii Rimo Bacigalupi with G. Thomas Robbins 1955-8-4 5451 San Mateo just Crystal Springs Lake (s lake) (along Skyline Blvd (Calif Hwy 5), at a point 6.2 mi n of the junction with Kings Mtn (not the La Honda) road) 396 Comment
  JEPS29420  Castilleja wightii L. R. Heckard 1961-7-16 1268 San Mateo near San Bruno Mt. summit; San Bruno Mt. 304 Comment
  JEPS85728  Castilleja wightii L. R. Heckard 1964-6-24 1396 San Mateo near San Bruno Mt. summit (n of transmitting stations); San Bruno Mt. 304 Comment
  CDA41387  Castilleja wightii T. I. & F. M. Chuang 1991-7-1 7846 San Mateo 1.1 mile north of Montara. 0 Comment
  JEPS103881  Castilleja wightii T. I. Chuang and F. M. Chuang 1991-7-1 7846 San Mateo 1.1 mile N or Montara 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
  JEPS86182  Castilleja wightii L. R. Heckard 1988-5-18 6676 San Mateo ca 0.5 mi s Skyline Blvd. junction with Route 92 to Half Moon Bay Comment
  JEPS88829  Castilleja wightii T. I. and F. M. Chuang 1991-7-1 7847 San Mateo ca 7 mi s Halfmoon Bay Comment
  RSA0005986  Castilleja wightii A. D. E. Elmer 1903-07 4761 San Mateo San Pedro. Comment
  RSA184850  Castilleja wightii L. S. Rose 1965-4-22 65026 San Mateo San Bruno Mountain, south of parking lot 366 Comment
  SEINET8212805  Castilleja wightii A. D. E. Elmer 1903-1 4761 San Mateo San Pedro. Comment
  SEINET8357659  Castilleja wightii A. D. E. Elmer 1903-1 4761 San Mateo San Pedro. Comment
  SJSU11476  Castilleja wightii S. H. Casey 1969-5-18 250 San Mateo San Bruno Mt below Fern Rock Comment
  CAS-BOT-BC40400  Caulanthus lasiophyllus L. R. Abrams 1920-6-1 7503 San Mateo Santa Cruz Mountain Peninsula. Back of Redwood City. Comment
  JEPS127814  Caulanthus lasiophyllus Adam C. Schneider with C. Matt Guilliams 2013-4-7 78 San Mateo Comment
  CAS-BOT-BC48305  Ceanothus cuneatus W. R. Dudley 1894-3-1 s.n. San Mateo Ridge between Los Trancos Creek and San Francisquito Creek Comment
  UCR51552  Ceanothus griseus R. Ascanio 1988-4-17 s.n. San Mateo E on Gazo Creek Road off Hwy 1, c. 2 mi. north of Ano Nuevo State Reserve 85 Comment
  CAS-BOT-BC51608  Ceanothus oliganthus var. sorediatus James McMurphy 1906-4-4 s.n. San Mateo Los Trancos Creek, above Judge Allan's Comment
  RSA34326  Ceanothus oliganthus var. sorediatus Paul R. Hichborn 1920-4-21 s.n. San Mateo Strawberry bend near Carte Madera Creek Comment
  UC762253  Ceanothus oliganthus var. sorediatus R. F. Hoover 1941-5-20 5115 San Mateo Skyline Road sw Black Mt.; sw of Black Mt. Comment
  CAS-BOT-BC51242  Ceanothus papillosus J. I. McMurphy 1906-5-20 13 San Mateo Santa Cruz Peninsula - King's Mt. Santa Cruz Mts. 457 Comment
  SBBG28520  Ceanothus papillosus D. D. Keck 1932-5-11 1774 San Mateo E side of Kings Mtn on Kings Mtn Rd 500 Comment
  RSA136268  Ceanothus papillosus var. roweanus Stewart H. Burnham 1894-4-29 1577 San Mateo Above woodside. Comment
  CAS-BOT-BC52305  Ceanothus thyrsiflorus Marian L. Campbell 1915-6-18 s.n. San Mateo San Bruno hills Comment
  RSA398960  Ceanothus thyrsiflorus Harlan Lewis 1908-4-20 s.n. San Mateo Crystal Springs Lake. 213 Comment
  UCSB3904  Ceanothus thyrsiflorus var. griseus Walker, Clifford 1954-4-20 San Mateo Woodside Rd. 1 mi. E. Woodside 3 Comment
  SBBG4558  Ceanothus thyrsiflorus var. thyrsiflorus H. and M. Dearing 1933-5-14 978 San Mateo S of San Francisco, Skyline Drive Comment
  RSA444732  Centaurea calcitrapa Lyman Benson 1934-7-29 6111 San Mateo Crystal Springs Lake; Mt. Range: Santa Cruz; Watershed: S. F. Bay. 152 Comment
  UC463564  Centaurea calcitrapa L. R. Abrams and I. L. Wiggins 1930-11-13 174 San Mateo above Crystal Springs Lake Comment
  CAS-BOT-BC274583  Centaurea calcitrapa A. D. E. Elmer 1903-7-1 4961 San Mateo Crystal Springs Lake Comment
  UCD130018  Centaurea cyanus Jane A. Reese 1966-6-11 125 San Mateo northwest slope, Whiskey hill road, 1 mile from Junction with Woodside Road. 152 Comment
  RSA133890  Centaurea melitensis John H. Thomas 1958-6-11 7224 San Mateo About 4.3 miles due E of Belmont near Crystal Springs Reservoir. 91 Comment
  HSC23977  Centaurea melitensis Mary Katherine Wicksten 1971-6-24 118 San Mateo Huddart Park, side of park entrance Comment
  JROH606  Centaurea solstitialis John Hunter Thomas 1981-10-25 20769 San Mateo Jasper Ridge Biological Preserve, Stanford University; near main gate Comment
  JROH613  Centaurea solstitialis John Hunter Thomas 1992-7-24 25387 A San Mateo Jasper Ridge Biological Preserve, Stanford University; near boat ramp Comment
  CAS-BOT-BC277231  Centaurea solstitialis Ned Cahill 1974-7-14 351 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  RSA133075  Centaurium davyi John H. Thomas 1954-6-11 4276 San Mateo 0.8 mile north of Pescadero Creek. 30 Comment
  SEINET7097921  Centaurium davyi A. G. Vestal 1937-6-15 s.n. San Mateo Lat. 37 14' 13ao N, Long. 122 24' 55ao W (NAD27 converted to WGS84 decimal degrees). Pebble Beach west of Pescadero. UTM Zone 10, 551863 mE, 4121109 mN. Comment
  CAS-BOT-BC389675  Centaurium tenuiflorum Maryann Danielson 1969-7-17 s.n. San Mateo Huddart Park along road below residence Comment
  SEINET2030222 Image available Centromadia pungens L. S. Rose 1941-10-10 41464 San Mateo Fields along Bayshore Boulevard, San Mateo 3 Comment
  RSA788848  Cerastium fontanum subsp. vulgare Peter Rubtzoff 1977-11-24 9141 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  UC1084416  Cerastium glomeratum G. Thomas Robbins 1937-4-11 101 San Mateo near Spring Valley Lakes along rd. to Woodside Comment
  JROH150  Ceratophyllum demersum Alan Grundman 1976-5-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3615  Cercocarpus betuloides var. betuloides A. D. E. Elmer 1903-5-1 4530 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake Comment
  JROH3616  Cercocarpus betuloides var. betuloides L. R. Abrams 1916-2-22 7242 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake Comment
  JROH3623  Cercocarpus betuloides var. betuloides John H. Thomas 1964-4-7 10301 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near edge of Searsville Lake. 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
  UC1191349  Chenopodium ambrosioides var. suffruticosum Malcolm A. Nobs and S. Galen Smith 1949-8-26 1606 San Mateo marshy stream bank about 1 mi s Pigeon Point Comment
  RSA149154  Chenopodium californicum John H. Thomas 1961-5-13 9338 San Mateo Coastal sand dunes at Franklin Point. Comment
  UCSB61628  Chenopodium murale True, Jr., Gordon 1937-10-16 San Mateo Near Thornton Beach 3 Comment
  RSA478562  Chenopodium rubrum L. M. Booth 1932-10-29 2116 San Mateo s. San Francisco. 5 Comment
  CAS-BOT-BC497724  Chlorogalum pomeridianum Fred Hemphill 1973-5-14 806 San Mateo San Carlos, Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  JROH4653  Chlorogalum pomeridianum var. pomeridianum John Hunter Thomas 1983-7-20 22903 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC246313  Chloropyron maritimum subsp. palustre S. D. Halsey 1908-10-1 s.n. San Mateo Redwood City Comment
  CDA33536  Chondrilla juncea John Beall 2010-6-21 PDR# 1621666 San Mateo San Carlos, city block of El Camino Real, Olive Street, Arroyo St, & Laurel Street. 0 Comment
  POM87940  Chorizanthe cuspidata var. marginata L. R. Abrams 1901-05 1603 San Mateo Colma Comment
  RSA0004896  Chorizanthe cuspidata var. marginata A. D. E. Elmer 1903-05 4828 San Mateo San Pedro. Comment
  JROH3222  Chorizanthe diffusa Le Roy Abrams 1901-5-20 1653 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA130687  Chrysanthemum leucanthemum W. R. Dudley 1908-6-19 s.n. San Mateo Hills N of Jersey Farm Dairy. W of Baden Comment
  RSA3093  Chrysolepis chrysophylla Carl B. Wolf 1931-8-21 2335 San Mateo 1/2 way up the east side of Kings Mt. 366 Comment
  CAS-BOT-BC36403  Chrysolepis chrysophylla var. minor Oliver W. Norvell 1931-2-22 1320 San Mateo Kings Mt. Road Comment
  UC306682  Cirsium brevistylum A. D. E. Elmer 1903-6-1 4277 San Mateo Crystal Springs Lake Comment
  CDA20522  Cirsium brevistylum E. Finley 2005-4-21 PDR 1365078 San Mateo San Francisco Bay Area; Bean Hollow Rd, Pescadero. 0 Comment
  POM202467  Cirsium brevistylum L. S. Rose 1933-6-9 33216 San Mateo 3 miles W of San Bruno. Comment
  RSA0070579  Cirsium brevistylum A. D. E. Elmer 1903-06 4277 San Mateo Crystal Springs Lake. Comment
  UC175461  Cirsium fontinale var. fontinale W. N. Suksdorf 1913-6-22 113 San Mateo Crystal Springs Lake Comment
  UC306684  Cirsium fontinale var. fontinale A. D. E. Elmer 1903-6-1 4292 San Mateo Crystal Springs Lake Comment
  SEINET14157452  Cirsium fontinale var. fontinale W. N. Suksdorf San Mateo Comment
  SEINET14157453  Cirsium fontinale var. fontinale Unknown San Mateo Comment
  RSA18506  Cirsium occidentale var. venustum C. B. Wolf 1927-7-14 614 San Mateo Summit of Kings Mountain Rd. Comment
  UCD130668  Cirsium occidentale var. venustum W. A. Harvey; J. M. Tucker 1948-6-29 1708 San Mateo Beside road to Portola State Park, just west of junction with Highway 5 (Skyline Boulevard). Comment
  CAS-BOT-BC280508  Cirsium quercetorum John H. Thomas 1955-4-6 4850 San Mateo East facing slope of San Bruno Mountain just north of South San Francisco 91 Comment
  CAS-BOT-BC280519  Cirsium quercetorum Peter H. Raven 1950-6-3 2261 San Mateo Near San Andreas Lake 121 Comment
  CAS-BOT-BC280530  Cirsium quercetorum John H. Thomas 1961-5-7 9271 San Mateo San Bruno Mountain in northern part of county 396 Comment
  JEPS30887  Cirsium quercetorum J. H. Thomas 1958-6-11 7227 San Mateo about 4.3 mi due e of Belmont (near Crystal Springs Reservoir); , Crystal Springs Reservoir 91 Comment
  UC134771  Cirsium quercetorum Dr. E. B. Copeland 1903-6-7 3316 San Mateo Montara Point Pacific Coast, Montara Point Comment
  UC306688  Cirsium quercetorum A. D. E. Elmer 1903-6-1 4290 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC280518  Cirsium quercetorum John Thomas Howell 1939-6-16 14740 San Mateo Near San Andreas Lake Comment
  CAS-BOT-BC288688  Cirsium quercetorum H. K. Sharsmith 1937-6-3 3952 San Mateo E of lake near road which connects Skyline Blvd with road to Belmont, about 3 miles W of San Mateo, Crystal Springs Lake 152 Comment
  CDA7143  Cirsium vulgare D. G. Kelch 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  JROH637  Cirsium vulgare John H. Thomas 1973-6-15 16841 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC285863  Cirsium vulgare John H. Thomas 1963-5-20 10107 A San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  CAS-BOT-BC285864  Cirsium vulgare John H. Thomas 1963-7-19 10198 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  JROH1830  Cistus incanus D. E. Breedlove 1971-5-31 19350 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  CAS-BOT-BC160925  Clarkia amoena subsp. amoena David D. Keck 1934-7-7 2937 San Mateo South of the mouth of Tunitas Creek, on slopes overlooking the ocean Comment
  CAS-BOT-BC163976  Clarkia purpurea subsp. quadrivulnera Margaret A. Barry 1937-5-1 53 San Mateo Exposed slopes on Coal Mine Ridge Comment
  JROH5820  Clarkia purpurea subsp. quadrivulnera John Rawlings 2016-5-10 1782 San Mateo Jasper Ridge Biological Preserve, Stanford University. Eastern edge of the Dennis Martin Site 77 Comment
  CAS-BOT-BC163968  Clarkia purpurea subsp. quadrivulnera W. R. Dudley 1903-5-31 s.n. San Mateo Alpine Road, Black Mt., Santa Cruz Range Comment
  CAS-BOT-BC163969  Clarkia purpurea subsp. quadrivulnera H. A. Dutton 1900-4-17 s.n. San Mateo Woodside Serpentine. Along middle of S. side Comment
  CAS-BOT-BC163972  Clarkia purpurea subsp. quadrivulnera W. R. Dudley 1894-5-30 s.n. San Mateo Near Redwood City Comment
  CAS-BOT-BC165123  Clarkia rubicunda Peter H. Raven 1957-6-24 10969 San Mateo 0.5 miles south of San Gregorio on old coast highway Comment
  CAS-BOT-BC165124  Clarkia rubicunda J. H. Thomas 1953-7-25 3504 San Mateo About 200 yards north of Pigeon Pt. Light House Comment
  CHSC57020  Clarkia rubicunda Josephine Boyd 1988-5-5 San Mateo Ca 500 ft se of the twin-topped peak located ca 0.4 mi e of the jct. between Hwy. 280 and Edgewood Road in Redwood City. 222 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
  JROH3013  Clarkia rubicunda John H. Thomas 1963-6-23 10164 San Mateo Jasper Ridge Biological Preserve, Stanford University; near exclosure Comment
  JROH3015  Clarkia rubicunda Rachel Hays 1972-7-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3016  Clarkia rubicunda John H. Thomas 1973-6-15 16850 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3023  Clarkia rubicunda John Hunter Thomas 1977-6-7 18730 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3026  Clarkia rubicunda John Hunter Thomas 1981-5-25 20646 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC107811  Clarkia rubicunda Katharine Brandegee 1905-7-20 San Mateo near Lake Pilarcitos Comment
Read comments
Jun 26 2010
  UC114009  Clarkia rubicunda Katharine Brandegee 1908-7-26 San Mateo near Half Moon Bay; Moss Beach Comment
  UC1279949  Clarkia rubicunda Peter H. Raven 1957-6-30 11014 San Mateo 1.8 mi e Pescadero (on road along Pescadero Creek) Comment
  CAS-BOT-BC165138  Clarkia rubicunda Milo S. Baker Aug. 252 a-'25 San Mateo Pescadero Comment
  RSA128810  Clarkia rubicunda G. H. Mallory 1919-6-24 s.n. San Mateo La Honda Road Comment
  RSA458855  Clarkia rubicunda E. S. Spalding 1924-8-3 s.n. San Mateo 3 miles west of Redwood City Comment
  SEINET8726157 Image available Clarkia rubicunda Peter H. Raven 1957-1 10954 San Mateo State Highway 5 (Skyline Boulevard), 2.6 miles north of Redwood City turnoff, on serpentine. Comment
  UC1071887  Clarkia rubicunda H. and M. Lewis 1951-6-28 859 San Mateo 1.8 mi s Sharp Park Comment
  UC1279935  Clarkia rubicunda Peter H. Raven 1952-7-4 11044 San Mateo 2.7 mi sw State Highway 5 (State Highway 9) Comment
  UC1561235  Clarkia rubicunda Barbara Ertter 1989-6-4 8556 a San Mateo near jct. Crocker Ave. and Alexander Ave. (n side of hill that is n-most extension of San Bruno Mt. on n side of Guadalupe Canyon); Daly City Comment
  RSA18442  Clarkia rubicunda subsp. blasdalei Carl B. Wolf 1927-6-29 566 San Mateo 3 miles south of San Gregorio. Comment
  JROH3039  Clarkia unguiculata John Rawlings, Ann Lambrecht 2010-6-23 0932 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along Trail 2 through small meadow about 700 yards east of the Trail 3 intersection. 81 Comment
  POM164075  Claytonia exigua subsp. exigua C. F. Baker 1903-4-6 1884 San Mateo San Bruno Hills near S.F. [San Francisco] Comment
  CAS-BOT-BC439590  Claytonia parviflora subsp. parviflora Margaret A. Barry 1937-5-15 98 San Mateo On Coal Mine Ridge Comment
  CAS-BOT-BC439986  Claytonia perfoliata subsp. mexicana John M. Miller 1977-3-23 590 San Mateo Purisimo Canyon; Hwy. 1, 4 mi. E of Hwy. 1 on Purisimo Canyon Road. Comment
  CAS-BOT-BC439991  Claytonia perfoliata subsp. mexicana Peter H. Raven 1951-2-18 2729 San Mateo Brisbane Comment
  JEPS127812  Claytonia perfoliata subsp. perfoliata Adam C. Schneider with C. Matt Guilliams 2013-4-7 76 San Mateo Comment
  JROH3345  Claytonia perfoliata subsp. perfoliata John H. Thomas 1967-3-13 12410 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5905  Claytonia perfoliata subsp. perfoliata M. Ray 1982-5-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail, west side of Searsville Dam Comment
  JROH3402  Clematis lasiantha Daniel Cohen 1953-4-11 19 San Mateo Jasper Ridge Biological Preserve, Stanford University. About 1/3 of the way up Jasper Ridge road Comment
  JROH3404  Clematis lasiantha John H. Thomas 1956-4-7 5628 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3408  Clematis lasiantha Duncan M. Porter 1961-4-8 748 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU10609  Clematis lasiantha E. C. Carbett 1961-4-8 284 San Mateo Searsville L Park at head of San Francisquito Cr Comment
  CAS-BOT-BC91479  Clematis lasiantha W. R. Dudley 1900-3-16 s.n. San Mateo Santa Cruz Peninsula. By road below Harkersville. Comment
  RSA18269  Clematis lasiantha Carl B. Wolf 1927-6-27 454 San Mateo 2 miles back of Stanford University. Comment
  JROH2871  Clinopodium douglasii H. A. Lewis 1908-5-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lake Comment
  CAS-BOT-BC499405  Clintonia andrewsiana David D. Keck 1932-6-1 1797 San Mateo 1 mile west of Skyline Blvd. on La Honda road, Santa Cruz Mountains Comment
  RSA18200  Clintonia andrewsiana Carl B. Wolf 1929-5-25 3736 San Mateo 7.5 miles from Pescadero on Alpine Creek Road. Comment
  SEINET12046246  Clintonia andrewsiana W. R. Dudley 1893-1 s.n. San Mateo Santa Cruz Penninsula, between Woodside and Summit Springs Comment
  UC1736305  Collinsia multicolor Dean W. Taylor 1994-5-10 14276 San Mateo San Mateo Creek drainage; along Crystal Springs Road 0.3 mi East of junction of Tartan Trail Comment
  UC26610  Collinsia multicolor J. Burtt Davy 1895-4-20 1025 San Mateo Millbrae Comment
  JROH3139  Collomia heterophylla John H. Thomas 1961-5-5 9217 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below Searsville Dam 76 Comment
  RSA653552  Collomia heterophylla George K. Helmkamp, E. A. Helmkamp 1999-6-28 4978 San Mateo Pescadero Rd just N of Loma Mar. 107 Comment
  RSA10271  Collomia heterophylla H. A. Barker 1927-5-6 696 San Mateo Summit of Kings Mts. Comment
  UCD96968  Conicosia pugioniformis W. R. Russell 1961-6-5 s.n. San Mateo North of Westridge Road, Westlake area, north end of Pacifica. Comment
  CAS-BOT-BC285993  Conyza bonariensis Ira L. Wiggins 1974-7-27 22109 San Mateo Crest of northerly bank of San Francisquito Creek, opposite 1455 Woodland Avenue, Menlo Park Comment
  CAS-BOT-BC285994  Conyza bonariensis Elizabeth McClintock; Walter Knight; Irja Knight 1967-8-1 s.n. San Mateo San Bruno Mountain. Along Hillside Blvd, southeast of Pig Ranch Ravine Comment
  IRVC9058  Corallorhiza maculata P. W. Rundel 1963-7-7 1145 San Mateo San Francisco Bay drainage area; Kings Mtn Road; woodside. Santa Cruz Mountains 305 Comment
  RSA120502  Corallorhiza maculata S. S. Tillett, I. Sternback 1956-6-25 546 San Mateo Along ridge on border of Middleton property and Portola State Park, south side of road to park 396 Comment
  JEPS20324  Cordylanthus pilosus subsp. pilosus Lewis S. Rose 1941-8-9 41362 San Mateo Woodside 548 Comment
  JEPS4612  Cordylanthus pilosus subsp. pilosus L. S. Rose 1941-8-9 41362 San Mateo Woodside 60 Comment
  JROH4032  Cordylanthus pilosus subsp. pilosus Carol Zabel 1989-8-7 20 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 12, near Mapache Gate Comment
  JEPS80892  Cordylanthus rigidus subsp. rigidus Monty Knudsen 1981-8-13 San Mateo Edgewood Park w of Redwood City; Edgewood Park Comment
  RSA51367  Cordylanthus rigidus subsp. rigidus L. S. Rose 1949-8-14 49163 San Mateo Emerald Lake, hills west of Redwood City. 122 Comment
  JROH4034  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
  RSA93120  Corethrogyne californica var. californica D. D. Keck 1932-5-25 1785 San Mateo E side of Crystal Springs Lake Comment
  CAS-BOT-BC101478  Corethrogyne filaginifolia C. F. B. 1902-5-10 810 San Mateo Crystal Springs Lake Comment
  POM88007  Corethrogyne filaginifolia var. californica L. R. Abrams 1902-5-11 2459 San Mateo Crystal Springs. Comment
  SEINET12136511  Cornus californica R. C. Croker 1929-1 69 San Mateo Searsville Lake Comment
  CAS-BOT-BC209819  Cornus glabrata Margaret A. Barry 1938-5-6 s.n. San Mateo Los Trancos Creek near Coal Mine Ridge Comment
  UC527527  Cornus glabrata C. B. Wolf 1931-8-20 San Mateo 2 mi. back of Stanford University (near Schenkel's Camp, Los Trancos Creek); Los Trancos Creek 91 Comment
  SEINET3407584 Image available Cornus sericea Lewis S. Rose 1939-5-5 39094 San Mateo San Mateo Canyon. 46 Comment
  JROH1872  Cornus sericea subsp. sericea John Hunter Thomas 1982-8-13 21140 San Mateo Jasper Ridge Biological Preserve, Stanford University; on causeway Comment
  JROH1878  Cornus sericea subsp. sericea John Hunter Thomas 1987-5-26 24311 San Mateo Jasper Ridge Biological Preserve, Stanford University; along causeway Comment
  UC1122745  Cornus sericea subsp. sericea G. E. Sindel 1935-8-13 329 San Mateo San Gregorio Santa Cruz Quad., San Gregorio Comment
  JROH5906  Cornus sericea subsp. sericea M. Ray 1982-4-25 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; swamp trail about 1 km from Mapache Gate Comment
  CAS-BOT-BC180367  Corylus cornuta subsp. californica A. D. E. Elmer 1903-3-1 4536 San Mateo King's Mountain Comment
  SJSU281  Corylus cornuta subsp. californica H. W. Marion 1936-3-8 San Mateo 1 mi NE of Searsville L 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-BC453503  Cotoneaster lacteus Elizabeth McClintock; Paul Reeberg 1988-4-26 s.n. San Mateo Colma Canyon; San Bruno Mountains Comment
  CAS-BOT-BC453504  Cotoneaster lacteus Elizabeth McClintock 1978-7-1 s.n. San Mateo Colma Canyon; San Bruno Mountains Comment
  JROH3639  Cotoneaster pannosus John Hunter Thomas 1981-4-23 20466 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3647  Cotoneaster pannosus John Hunter Thomas 1992-5-14 25232 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near boat ramp Comment
  CAS-BOT-BC287303  Cotula australis W. R. Dudley 1909-10-4 s.n. San Mateo North pond near Mussel Rock Comment
  CAS-BOT-BC291466  Cotula coronopifolia John H. Thomas 1963-5-8 10063 San Mateo San Bruno Mountain 396 Comment
  JROH663  Cotula coronopifolia John Hunter Thomas 1982-11-6 21198 San Mateo Jasper Ridge Biological Preserve, Stanford University; along edge of Searsville Lake delta Comment
  RSA176543  Cotula coronopifolia John H. Thomas 1963-5-8 10063 San Mateo San Bruno Mtn in northern part of county. 305 Comment
  CAS-BOT-BC291462  Cotula coronopifolia Javier Penalosa 1963-2-23 2658 San Mateo South of Crocker Ave., San Bruno Mountain 213 Comment
  POM312498  Cotula coronopifolia Malcolm A. Nobs, S. Galen Smith 1949-8-26 1591 San Mateo Marshes at the mouth of Pescadero Creek. Comment
  RSA101041  Cotula coronopifolia G. Oberlander 1950-5-6 933 San Mateo Marsh, north boundary, San Francisco Watershed Reserve Comment
  UC1776756  Cotula mexicana D. Pendleton 2002-3-21 PDR 65823 San Mateo Sharp Park Golf Course, Pacifica 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-BC427837  Crassula connata Javier Penalosa 1963-3-30 2743 San Mateo San Bruno Mountain. North of Randolph Drive at Hillside Blvd. in SSF. 289 Comment
  JROH1887  Crassula connata John H. Thomas 1973-3-12 16482 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5944  Crassula connata John Rawlings 2017-3-14 1979 San Mateo Jasper Ridge Biological Preserve, Stanford University. Northeast edge of Area C in Birder grassland transect trail 187 Comment
  CAS-BOT-BC427841  Crassula connata George Oberlander 1950-4-16 703 San Mateo San Francisco Watershed Reserve. San Andreas Valley Comment
  JROH672  Crepis vesicaria subsp. taraxacifolia John Hunter Thomas 1989-6-6 24765 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1960  Croton setiger John Hunter Thomas 1983-7-20 22895 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4976  Crypsis schoenoides Herbert Dengler 1961-1-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Pond bottom (W. of Portola Road). Comment
  JROH4980  Crypsis schoenoides John Hunter Thomas 1980-11-12 20168 San Mateo Jasper Ridge Biological Preserve, Stanford University. Delta Comment
  JROH4999  Crypsis vaginiflora John H. Thomas 1976-10-16 18405 San Mateo Jasper Ridge Biological Preserve, Stanford University. Dry delta in Searsville Lake at the mouth of Corte de Madera Creek Comment
  JROH5765  Cryptantha flaccida John Rawlings 2016-3-6 1678 San Mateo Jasper Ridge Biological Preserve, Stanford University; upper Big Inlet in serpentine along seasonal drainage 166 Comment
  SBBG32437  Cryptantha flaccida L. S. Rose 1966-5-2 66032 San Mateo Emerald Lake, W of Redwood City 91 Comment
  SJSU7524  Cryptantha flaccida L. S. Rose 1966-5-2 66032 San Mateo Emerald L, W of Redwood City 91 Comment
  JROH1367  Cryptantha micromeres John Rawlings 2009-5-7 1066 San Mateo Jasper Ridge Biological Preserve, Stanford University. North edge of Trail 11. 136 Comment
  JROH1375  Cryptantha micromeres D. E. Breedlove 1971-5-11 19331 San Mateo Jasper Ridge Biological Preserve, Stanford University; at Pinon Road along fence Comment
  JROH5669  Cryptantha microstachys John Rawlings 2014-5-6 1223 B San Mateo Jasper Ridge Biological Preserve, Stanford University; on the top of Trevor's Knoll, about 70 m north of Trail 10. 181 Comment
  RSA44330  Cupressus abramsiana Harry A. Dutton 1949-9-12 s.n. San Mateo Common corners of Sec. 11 & 12 and 13 &14, Range 4 West, North bank of North Fork of Butano Creek Comment
  CAS-BOT-BC224413  Cuscuta californica Josephine D. Randall 1907-7-23 107 San Mateo Santa Cruz Peninsula. Near Crystal Springs Lake Comment
  UCR143006  Cuscuta salina Edith A. Purer 1933-8-13 5408 San Mateo San Francisco Bay Region, near Baden Station 12 Comment
  CAS-BOT-BC257693  Cyclospermum leptophyllum Peter Rubtzoff 1988-6-25 9927 San Mateo Menlo Park, on Willow Road near Alma Street. Comment
  CDA6261  Cymbalaria muralis E. L. Labadie 1962-6-28 San Mateo San Mateo. 0 Comment
  CAS-BOT-BC287327  Cynara cardunculus J. H. Thomas 1958-10-21 7487 San Mateo Near intersection of Bayshore Highway and Main St, Redwood City, near slough Comment
  CAS-BOT-BC287342  Cynara cardunculus John Thomas Howell 1956-11-14 31961 San Mateo Bayshore Highway just S of Main St, Redwood City Comment
  JEPS22117  Cynara cardunculus subsp. cardunculus J. H. Thomas 1958-10-21 7487 San Mateo near intersection of Bayshore Highway and Main Street; Redwood City Comment
  JEPS68165  Cynoglossum grande Elsa Kraeger 1926-2-21 San Mateo along roadside near La Honda Comment
  RSA130416  Cynoglossum grande Josephine Randall 1908-2-16 s.n. San Mateo Corte de Madera Canyon near Alpine Road. Comment
  UCD119163  Cynoglossum grande Leslie Fenster 1964-3-22 22 San Mateo Crystal Spring Lake drainage area, Sawyer Ridge Road, 4 miles from Skyline. 152 Comment
  UCD166157  Cynoglossum grande Jack Major; M. Forde and S. Bamberg 1962-4-3 740 San Mateo Along road near Scott Creek. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCSB11483  Cynoglossum grande Olson, Jim 1962-4-15 San Mateo 8 miles north of junction with Portola State Park Road on Camp Pomponio Road; 10 miles southwest of La Honda 213 Comment
  SJSU15350  Cynoglossum grande R. S. Altmann 1976-4-21 76032 San Mateo Beside Alpine Road ca. 1 mile north intersection with Page Mill Rd. 335 Comment
  JROH5015  Cynosurus echinatus John Hunter Thomas 1992-6-2 25365 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along road from picnic area to the new bridge, west of the dam 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
  SEINET5546172  Cypselea humifusa H. S. Gentry 1931-1 72 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  JROH22  Cystopteris fragilis Richard Jeffers 1981-4-19 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  CAS-BOT-BC198191  Cytisus scoparius George Oberlander 1950-4-23 878 San Mateo San Andreas Valley, San Francisco Watershed Reserve Comment
  SBBG108508  Cytisus scoparius N. Meng 1964-4-18 San Mateo Pacifica 30 Comment
Read comments
Dec 6 2012
  CAS-BOT-BC198210  Cytisus striatus Elizabeth McClintock; Paul Reeberg 1989-9-4 s.n. San Mateo West end of industrial park, San Bruno Mountains Comment
  CAS-BOT-BC192244  Danthonia californica A. D. E. Elmer 1903-6-1 4707 San Mateo Crystal Springs Lake Comment
  JROH5039  Danthonia californica John H. Thomas 1970-4-28 15606 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU10402  Danthonia californica E. C. Garbett 1960-5-1 120 San Mateo Georgia Lane c. 1 mi E of Portola Rd, Portola Valley Comment
  UCD60456  Danthonia californica Beecher Crampton 1962-6-11 6503 San Mateo Sharp Park, suburb of Pacifica Mori's Point Road, west of State Hwy. 1. Comment
  RSA580827  Danthonia californica var. americana D. D. Keck 1932-5-6 1479 San Mateo Open hillside just west of Millbrae Highlands. 50 Comment
  POM199070  Danthonia californica var. californica A. D. E. Elmer 1903-06 4707 San Mateo Crystal Springs Lake. Comment
  SJSU15419  Datura stramonium Toni Corelli 2011-8-31 718 San Mateo Half Moon Bay east of of Hwy. 1 and south of Higgins Canyon Road 30 Comment
  RSA470468  Daucus pusillus T. Gertrude Williamson 1924-6-28 s.n. San Mateo Moss Beach Comment
  UC1177095  Deinandra corymbosa Peter H. Raven 1950-6-3 2264 San Mateo near San Andreas Lake 121 Comment
  UC481024  Deinandra corymbosa Katharine Brandegee 1908-8-1 San Mateo Montana Point Comment
  CAS-BOT-BC299203  Deinandra corymbosa subsp. corymbosa James I. McMurphy 1909-5-25 s.n. San Mateo Half Moon Bay Comment
  CAS-BOT-BC299213  Deinandra corymbosa subsp. corymbosa Fred Hemphill 1973-5-14 819 San Mateo Area north of Malabar Road adn Melendy Drive 207 Comment
  CAS-BOT-BC299227  Deinandra corymbosa subsp. corymbosa David D. Keck 1932-5-25 1784 San Mateo Hills two miles west of Belmont Comment
  CAS-BOT-BC299214  Deinandra corymbosa subsp. corymbosa Walter Knight; Irja Knight 1963-10-7 s.n. San Mateo Quarry at end of School St. near Hillside Blvd., South San Francisco, San Bruno Mountain Comment
  SJSU8504  Deinandra pentactis B. W. Grushkowitz 1969-9-27 San Mateo Cloverdale Road near Gazos Creek Road c. 2 miles E of coastal shore line, E of Pigeon Point Comment
  RSA184849  Delphinium californicum L. S. Rose 1965-5-3 65058 San Mateo San Bruno Mountain, Colma Canyon. 61 Comment
  RSA10345  Delphinium patens H. A. Barker 1926-5-1 576 San Mateo Kings Mt. Comment
  CAS-BOT-BC116525  Delphinium patens subsp. patens Josephine D. Randall 1908-3-22 s.n. San Mateo Corte de Madera Canon near Alpine Road Comment
  CAS-BOT-BC7889  Delphinium variegatum LeRoy Abrams 1902-5-11 2454 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC7891  Delphinium variegatum Mrs. John C. Angsbury 1932-4-1 s.n. San Mateo Kings. Mtn. Comment
  CAS-BOT-BC7931  Delphinium variegatum Doris Kildale Gillespie 1930-4-21 9221 San Mateo Emerald Lake near Redwood City Comment
  POM177524  Delphinium variegatum W. R. Dudley 1896-4-4 s.n. San Mateo Near Crystal Springs Lake Comment
  SJSU19  Delphinium variegatum C. D. Duncan 1925-5-21 San Mateo S end Portola Valley Comment
  UC518022  Delphinium variegatum Lewis S. Rose 1933-4-30 33125 San Mateo open hills Redwood City Comment
  RSA0008971  Delphinium variegatum subsp. apiculatum D. D. Keck 1933-5-11 2309 San Mateo Crystal Springs Lake Comment
  SEINET10536059 Image available Delphinium variegatum subsp. apiculatum David D. Keck 1933-5-11 Keck 2309 San Mateo Crystal Springs Lake. Common on rocky ground on open slopes about east side of lake. Comment
  POM270794  Delphinium variegatum subsp. variegatum Lyman Benson 1931-3-15 2638 San Mateo Emerald Lake; Redwood City; Mt. Range: Santa Cruz 152 Comment
  SBBG33499  Delphinium variegatum subsp. variegatum A. D. E. Elmer -May-1903 4796 San Mateo Crystal Springs Lake Comment
  UC204139  Deschampsia A. D. E. Elmer June, 1903 4693 San Mateo San Pedro Comment
  CAS-BOT-BC192597  Deschampsia cespitosa subsp. holciformis Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo Crocker Hills Comment
  JEPS71181  Deschampsia cespitosa subsp. holciformis unknown 1919-7-22 209 San Mateo Laguna de los Frijoles Comment
  JROH5047  Deschampsia danthonioides John H. Thomas 1975-5-26 17917 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC908  Dicentra formosa subsp. formosa George Thomas Oberlander 1949-5-21 194 San Mateo Pilarcitos Canyon Comment
  CAS-BOT-BC500898  Dichelostemma capitatum George Oberlander 1950-3-18 563 San Mateo Sawyer Ridge Comment
  JROH4655  Dichelostemma capitatum subsp. capitatum John H. Thomas 1967-5-10 12854 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4656  Dichelostemma capitatum subsp. capitatum John H. Thomas 1967-5-10 12843 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD148239  Dichelostemma capitatum subsp. capitatum Robert E. Preston 2013-3-28 2900 San Mateo Hillsborough, along Crystal Springs Rd where it crosses under the Junipero Serra Freeway. 99 Comment
  UCSB17658  Dichelostemma capitatum subsp. capitatum Schulte, John 1963-4-14 San Mateo Jasper Ridge 3 miles southwest of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  JROH4662  Dichelostemma congestum John H. Thomas 1964-4-29 10333 San Mateo Jasper Ridge Biological Preserve, Stanford University. Oakwoodland near Searsville end of ridge Comment
  JROH4664  Dichelostemma congestum John Hunter Thomas 1977-6-16 18777 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS125950  Dichondra donelliana D. W. Taylor 2000-7-20 17532 San Mateo Montara Mountain, along dirt road 1 mile W from North Peak Comment
  CAS-BOT-BC209018  Digitaria sanguinalis Lewis S. Rose 1965-9-20 65108 San Mateo Trousdale Dr. & California Dr., Burlingame 9 Comment
  CAS-BOT-BC209019  Digitaria sanguinalis Lewis S. Rose 1965-9-20 65108 San Mateo Trousdale Dr. & California Dr. Burlingame 9 Comment
  CAS-BOT-BC150442  Diplacus aurantiacus Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo unspecified Comment
  CAS-BOT-BC150446  Diplacus aurantiacus Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo Base of Quarry 2 Comment
  SBBG40470  Diplacus aurantiacus W. J. Dress 1951-5-12 San Mateo St Hwy 1, just S of Pigeon Point Comment
  CAS-BOT-BC150462  Diplacus aurantiacus Phillip Wheeler 1965-6-14 s.n. San Mateo Gladys Canyon in Brisbane Comment
  CAS-BOT-BC150466  Diplacus aurantiacus L. R. Abrams 1915-6-23 5257 San Mateo Saratoga Big Basin Road Comment
  CDA19177  Diplotaxis tenuifolia D. Pendleton 2001-5-31 PDR 064471 San Mateo San Francisco Bay Peninsula; Burlingame. 0 Comment
  JROH4201  Dirca occidentalis John H. Thomas 1968-2-11 14144 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM222804  Dirca occidentalis S. S. Berry 1909-2-27 s.n. San Mateo Trail to the Hermit's (Redwood Canyon) 107 Comment
  SEINET12190189  Dirca occidentalis L. S. Gill 1930-1 178 San Mateo near Searsville Lake Comment
  SEINET7900488 Image available Dirca occidentalis John H. Thomas 1958-1 6980 San Mateo Jasper Ridge, about 5 mi SW of Palo Alto 152 Comment
  CAS-BOT-BC195719  Distichlis spicata Walter Knight; Irja Knight 1964-9-2 s.n. San Mateo Black Point, San Bruno Comment
  CDA43448  Dittrichia graveolens John Beall 2015-10-7 PDR# 410 P06280645 San Mateo Pescadero; 6099 Pescadero Creek Road, near Dearborn Park Road. 0 Comment
  JROH3381  Dodecatheon hendersonii Le Roy Abrams 1902-4-5 2311 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC389755  Dodecatheon hendersonii J. Nieri 1969-2-26 s.n. San Mateo Hillsborough Comment
  CDA39075  Dracunculus vulgaris M. K. Beyers 2013-5-31 s.n. San Mateo Montara State Beach, McNee Ranch Trail Trailhead. Comment
  RSA112451  Drymocallis glandulosa H. A. Borthwick 1920-4-28 101 San Mateo Portola Valley Comment
  RSA133097  Drymocallis glandulosa Donald A. Johansen 1933-5-18 705 San Mateo Hills above Searsville Lake along road from Portola to La Honda Comment
  CAS-BOT-BC159537  Drymocallis glandulosa var. glandulosa W. R. Dudley 1894-5-30 s.n. San Mateo Near San Carlos - Santa Cruz Peninsula Comment
  CAS-BOT-BC159541  Drymocallis glandulosa var. glandulosa J. H. Thomas 1949-5-28 563 San Mateo Alpine Road, about 1 mile from intersection with Mt. Home Road, going westward. Comment
  JROH3735  Drymocallis glandulosa var. wrangelliana D. E. Breedlove 1971-5-31 19349 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH3736  Drymocallis glandulosa var. wrangelliana John H. Thomas 1973-6-15 16842 San Mateo Jasper Ridge Biological Preserve, Stanford University 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-BC67881  Dryopteris arguta G. Isenberg 1971-12-1 s.n. San Mateo Butano Creek Comment
  JEPS35165  Dryopteris arguta W. L. Jepson 1922-3-19 9538 San Mateo Lake San Andreas Comment
  JROH39  Dryopteris arguta John Hunter Thomas 1981-2-14 20219 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  UC766794  Dryopteris arguta R. F. Hoover 1941-2-12 4762 San Mateo nw of Summit Saratoga Comment
  CAS-BOT-BC67897  Dryopteris arguta Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountain - Wax Myrtle Ravine, Six-Fern Rock Comment
  CAS-BOT-BC428365  Dudleya farinosa Carlyn Halde; Elizabeth McClintock 1963-6-23 s.n. San Mateo San Bruno Mountain Comment
  CDA5626  Echium pininana T. C. Fuller 1967-6-13 15943 San Mateo North side of road to Crystal Springs, 1.2 miles east of Highway 1 at Half Moon Bay. 0 Comment
  JROH4409  Eleocharis macrostachya John Hunter Thomas 1987-5-19 24301 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4411  Eleocharis macrostachya John Rawlings 2011-7-6 1101 San Mateo Jasper Ridge Biological Preserve, Stanford University. In old quarry near the intersection of Road E and Trail 13 southeast of Searsville Lake. 108 Comment
  UC306633  Eleocharis macrostachya A. D. E. Elmer Jul 1903 4746 San Mateo San Pedro Comment
  JROH5139  Elymus X gouldii John Rawlings 2011-8-2 1082 B San Mateo Jasper Ridge Biological Preserve, Stanford University; at edge of riparian woodland along San Francisquito creek SW of Dennis Martin site marker. 78 Comment
  JROH5116  Elymus X hansenii Toni Corelli 2005-6-1 290 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 11 before Trail 9. 112 Comment
  UC50673  Elymus californicus Kellogg and Brennon San Mateo San Gregorio's Redwoods Comment
  JROH5113  Elymus glaucus subsp. glaucus John Rawlings 2010-5-20 0991 San Mateo Jasper Ridge Biological Preserve, Stanford University. On downhill side of Trail 12 in grassy opening west of intersection with Trail 10. 112 Comment
  UCD62379  Elymus glaucus subsp. virescens Beecher Crampton 1962-6-11 6507 San Mateo Sharp Park, suburb of Pacifica, Mori's Point Road just west of State Hwy. 1. Comment
  JROH5123  Elymus multisetus John H. Thomas 1975-5-26 17910 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5126  Elymus multisetus John Hunter Thomas 1978-5-16 19218 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3047  Epilobium brachycarpum John Hunter Thomas 1988-10-17 24601 San Mateo Jasper Ridge Biological Preserve, Stanford University; near lake Comment
  HSC23933  Epilobium brachycarpum Mary Katherine Wicksten 1971-8-19 201 San Mateo Huddart Park, along road to Redwood Shelter area Comment
  RSA185792  Epilobium brachycarpum John H. Thomas 1966-9-13 12392 San Mateo Pacifica. San Pedro Valley, near St. Peter s Catholic Church near Oostad Blvd. along Linda Mar Blvd. Comment
  CAS-BOT-BC166518  Epilobium canum subsp. canum James McMurphy 1906-8-24 s.n. San Mateo Los Trancos Creek Comment
  CAS-BOT-BC166617  Epilobium canum subsp. canum Margaret A. Barry 1937-7-15 194 San Mateo Exposed slope on Coal Mine Ridge Comment
  RSA40474  Epilobium canum subsp. canum W. R. Dudley 1893-7-22 s.n. San Mateo Santa Cruz Mountain Peninsula: Guadalupe Valley Comment
  UC1122298  Epilobium canum subsp. canum G. E. Sindel 1935-8-19 335 San Mateo 1 mi sw Langley Hill; Santa Cruz Quadrangle Comment
  UCR123145  Epilobium ciliatum subsp. glandulosum George K. Helmkamp, E. A. Helmkamp 2001-6-2 6796 San Mateo Central Coast, Purissima Creek Rd., 0.9 mi from Calif. Hwy 1(junction about 4 mi south of Half Moon Bay) 91 Comment
  JROH3069  Epilobium densiflorum H. J. Dengler 1972-8-21 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC57987  Equisetum W. R. Dudley 1895-6-6 s.n. San Mateo Pescadero Creek, near Iverson's. Comment
  CAS-BOT-BC389734  Equisetum J. Lovelle 1973-8-5 48 San Mateo Pomponio Canyon Comment
  CAS-BOT-BC166768  Equisetum arvense Peter Rubtzoff 1978-4-2 9153 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC166922  Equisetum arvense Peter Rubtzoff 1976-3-14 8444 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, upper part of East Fork Colma Creek Canyon. Comment
  JROH58  Equisetum arvense John Hunter Thomas 1982-11-6 21194 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  RSA785879  Equisetum arvense Peter Rubtzoff 1978-4-2 9153 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC57607  Equisetum telmateia George Oberlander 1950-4-2 568 San Mateo south boundary Comment
  JROH65  Equisetum telmateia subsp. braunii John H. Thomas 1967-4-28 12730 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  SJSU1752  Equisetum telmateia subsp. braunii H. B. Johnston 1956-3-28 79 San Mateo Tunitas Creek, Tunitas Road, c.3 mi NE of Tunitas Comment
  CAS-BOT-BC284050  Eragrostis pectinacea var. pectinacea Ira L. Wiggins 1973-6-24 22020 San Mateo Bed of San Francisquito Creek, 50-60 m upstream from Pope Street bridge, boundary between San Mateo and Santa Clara counties Comment
  JROH5147  Eragrostis pectinacea var. pectinacea John Rawlings 2012-7-27 1124 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near the NE corner of the Caretaker's Residence by the garden fence and the blackberry bush. 106 Comment
  CAS-BOT-BC299889  Erechtites glomeratus L. R. Abrams 1926-5-26 11218 San Mateo San Bruno Hills near Daly City Comment
  CAS-BOT-BC299888  Erechtites glomeratus Delzie Demaree 1933-8-13 10505 San Mateo Santa Clara Valley, Belmont Comment
  CAS-BOT-BC299893  Erechtites glomeratus J. H. Thomas 1955-12-6 5514 San Mateo Pilarcitos Lake Dam Comment
  JROH3147  Eriastrum abramsii Richard L. Garber 1971-5-11 5 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA0103881  Eriastrum abramsii L. S. Rose 1937-9-21 37659 San Mateo Emerald Lake. 183 Comment
  UCSC007741  Ericameria ericoides Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  JROH647  Erigeron bonariensis Toni Corelli 2006-8-16 326 San Mateo Jasper Ridge Biological Preserve, Stanford University. South of Road B, along San Francisquito Creek in dry creek bed below Dennis Martin marker site 70 Comment
  UCD131896  Erigeron floribundus John Thomas Howell 1975-9-25 51508 San Mateo San Bruno Mountain. 396 Comment
  JEPS89680  Erigeron glaucus Dean W. Taylor 1988-3-30 9466 San Mateo northern slope of se ridge of San Bruno Mountain (near the ridgecrest, right-of-way of eastern-most set of PG&E high-voltage powerlines crossing the mountain); Central Coast Region (CCo), San Bruno Mountain 176 Comment
  SJSU2274  Erigeron glaucus C. W. Sharsmith 1947-4-13 6755 San Mateo Pescadero Beach, near Pescadero Point Comment
  CAS-BOT-BC295090  Erigeron glaucus Ernest C. Twisselmann 1955-11-19 2496 San Mateo Crocker Estate, Diamont Heights 152 Comment
  SEINET11859443  Erigeron glaucus M. T. Doutt 1931-3-14 239 San Mateo along coast S of San Francisco Comment
  CAS-BOT-BC216246  Eriodictyon californicum Lewis S. Rose 1941-7-2 41288 San Mateo King's Mountain 480 Comment
  LA205649  Eriodictyon californicum Lewis S. Rose; 1935-6-11 35217 San Mateo Kings Mountain Comment
  CAS-BOT-BC250550  Eriogonum gracile Ned Cahill 1974-10-8 383 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  UC429743  Eriogonum gracile L. R. Abrams 1902-9-21 2988 San Mateo Crystal Lake Comment
  POM165225  Eriogonum gracile var. gracile Edward L. Greene 1902-9-10 1675 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC251985  Eriogonum latifolium Louis F. Pitelka 1973-6-16 s.n. San Mateo Bolsa Point, about 1 mi N of Pigeon Point and about 39 mi S of San Francisco. On bluffs in open areas Comment
  CAS-BOT-BC251992  Eriogonum latifolium Alice Eastwood 1937-7-25 18884 San Mateo Pebble Beach, Pescadero Comment
  CAS-BOT-BC251996  Eriogonum latifolium A. D. E. Elmer 1903-7-1 4557 San Mateo Half Moon Bay Comment
  CHSC28679  Eriogonum latifolium M. S. Taylor 1978-7-31 1871 San Mateo Ano Nuevo State Reserve. 0 Comment
  RSA3885  Eriogonum latifolium I. L. Wiggins 1929-7-4 3797 San Mateo Pescadero Beach Comment
  RSA393632  Eriogonum latifolium E. S. Spalding 1924-6-28 s.n. San Mateo Moss Beach. Comment
  SBBG1532  Eriogonum latifolium H. and M. Dearing 1951-8-17 6944 San Mateo Pigeon Point on Hwy 1 N of Santa Cruz Comment
  UC1032118  Eriogonum latifolium G. E. Sindel 1935-8-15 334 San Mateo 1/2 mi n Palomares; Sata Cruz Quadrangle 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
  SEINET5330414  Eriogonum latifolium E. Crawford 1982-9-25 s.n. San Mateo 12 Comment
  CAS-BOT-BC264777  Eriogonum luteolum Lewis S. Rose 1964-9-9 64073 San Mateo Emerald Lake, west of Redwood City 243 Comment
  JEPS111094  Eriogonum luteolum Zoe Ellis Chandik 1992-7-14 92 -2 San Mateo Crystal Springs Reservoir, south edge of serpentine (sludge) talus slope, below Hwy 280 on San Francisco Watershed land, 0.1 mi N of Hwy 92 (Ralston Ave.) east of junction with Skyline Blvd 121 Comment
  JEPS111097  Eriogonum luteolum Zoe Ellis Chandik 1992-7-14 92 -3 San Mateo On north side of trail just inside Sunset (pedestrian) entrance of Edgewood County Park Comment
  JROH3224  Eriogonum luteolum var. luteolum A. G. Vestal 1937-7-18 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Southeast side of ridge not far from Stanford property line. Comment
  JROH3228  Eriogonum luteolum var. luteolum John H. Thomas 1967-11-5 14133 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1206485  Eriogonum luteolum var. luteolum Le Roy Abrams 1902-9-21 2988 San Mateo Crystal Lake - Woodside Comment
  JROH3240  Eriogonum nudum var. auriculatum J. H. Thomas 1962-11-4 10013 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Westridge end. Comment
  SBBG39490  Eriogonum nudum var. auriculatum L. S. Rose 1970-7-26 70080 San Mateo Hillsborough, Black Mtn, Skyline Blvd 121 Comment
  CAS-BOT-BC268998  Eriogonum nudum var. auriculatum Phillip C. Wheeler 1965-6-21 s.n. San Mateo San Bruno Mountain. Sierra Point Comment
  RSA766372  Eriogonum nudum var. auriculatum Delzie Demaree 1933-7-8 10423 San Mateo Spring Valley Road Comment
  SD12580  Eriogonum nudum var. auriculatum Edith A. Purer 1933-8-4 5401 San Mateo Along the Bayshore Highway, near Redwood City Comment
  CAS-BOT-BC304071  Eriophyllum confertiflorum Lewis S. Rose 1933-5-17 33176 San Mateo Redwood City Comment
  RSA418518  Eriophyllum confertiflorum Jerry A. Powell 1972-3-10 910 San Mateo Mt. San Bruno Comment
  UCSB55462  Eriophyllum confertiflorum Powell, Jerry 1972-3-10 San Mateo Mt. San Bruno Comment
  CAS-BOT-BC301262  Eriophyllum lanatum var. arachnoideum H. E. McMinn 1922-6-22 258 San Mateo Unspecified Comment
  JEPS19486  Eriophyllum lanatum var. arachnoideum Peter H. Raven 1957-6-24 10963 San Mateo just s of Linda Mar Comment
  JROH720  Eriophyllum lanatum var. arachnoideum John H. Thomas 1962-7-15 9912 San Mateo Jasper Ridge Biological Preserve, Stanford University; near northern end of ridge Comment
  RSA116759  Eriophyllum lanatum var. arachnoideum W. R. Dudley 1894-7-17 s.n. San Mateo By Bear Gulch Road 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
  UC306665  Eriophyllum latilobum A. D. E. Elmer 1903-6-1 4897 San Mateo San Mateo 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
  UC135308  Eriophyllum staechadifolium C. F. Baker 1901-10-1 1747 San Mateo Pillar Point, along coast and in places to summit of coast range; Pacific Coast Range, Pillar Point Comment
Read comments
Feb 2 2012
  CAS-BOT-BC301963  Eriophyllum staechadifolium John H. Thomas 1963-5-20 10123 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  CAS-BOT-BC301971  Eriophyllum staechadifolium Carl B. Wolf 1930-11-5 1808 San Mateo 2 miles south of San Gregorio 60 Comment
  RSA116778  Eriophyllum staechadifolium W. R. Dudley 1898-1-4 s.n. San Mateo Bank of Ocean Shore- mouth of Waddell Creek. Santa Cruz Mountain Peninsula Comment
  SEINET11850785  Eriophyllum staechadifolium var. artemisiaefolium E. H. Graham 1931-1 6930 San Mateo Ano Nuevo Pt., S of San Francisco Comment
  JROH2602  Erodium botrys John H. Thomas 1975-4-19 17800 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET3558734 Image available Erodium botrys David D. Keck 1932-3-6 1391 San Mateo Portola. Comment
  JROH2604  Erodium cicutarium John H. Thomas 1974-4-4 17082 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2608  Erodium moschatum John Rawlings 2012-5-25 1106 San Mateo Jasper Ridge Biological Preserve, Stanford University. Dennis Martin site near Road B. 79 Comment
  UC174154  Eryngium armatum Katharine Brandegee June, 1905 San Mateo Moss Beach Comment
  JROH238  Eryngium jepsonii Richard L. Garber 1971-5-1 82 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH235  Eryngium jepsonii A. G. Vestal 1926-6 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; summit of Jasper Ridge Comment
  CAS-BOT-BC54854  Erysimum franciscanum G. B. Rossbach; R. P. Rossbach 1939-4-2 906 a fl. 906b fr. San Mateo Fifield Ridge, just above San Mateo Creek and north of Pilarcitos Lake. 243 Comment
  CAS-BOT-BC54870  Erysimum franciscanum Craig Martz 1985-4-15 205 San Mateo South end of Devil's Slide, both sides of SR1. From coast to saddle between San Pedro and Montara Mountain. 304 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
  RSA102113  Erysimum franciscanum G. B. Rossbach 567 San Mateo Lower W slope Pulgas Ridge above E shore Crystal Springs Lake Comment
  RSA187279  Erysimum franciscanum John H. Thomas 1965-4-29 10608 San Mateo San Bruno Mountain in northern part of county. 305 Comment
  UC1034934  Erysimum franciscanum G. B. and R. P. Rossbach 1939-3 905 a&b San Mateo creek ravine below Crystal Springs Lake; San Mateo Cr. 60 Comment
  UC1084387  Erysimum franciscanum G. Thomas Robbins 1937-4-11 93 San Mateo meadow near Spring Valley Lakes (along road to Woodside) Comment
  UC136024  Erysimum franciscanum Alice Eastwood 1903-2-8 3237 San Mateo Spring Valley Comment
  UC334631  Erysimum franciscanum Hy. Edwards March 1877 77 San Mateo Colma Comment
  CAS-BOT-BC54882  Erysimum franciscanum Mason 1917-4-1 s.n. San Mateo Crystal Springs Lake. Comment
  SEINET8228050  Erythranthe cardinalis A. D. E. Elmer 1903-1 4941 San Mateo Lake An Andreas. Comment
  CAS-BOT-BC403538  Eschscholzia californica A. D. E. Elmer 1903-6-1 4680 San Mateo Crystal Springs Lake Comment
  JEPS121486  Eschscholzia californica Adam C. Schneider 2013-5-17 157 San Mateo Crystal Springs Reservoir Comment
  JROH3097  Eschscholzia californica Richard L. Garber 1971-5-11 7 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC403556  Eschscholzia californica Brandegee 1890-5-1 K San Mateo San Gregorio Comment
  CAS-BOT-BC202733  Euonymus occidentalis William R. Dudley 1895-6-6 4223 San Mateo Pescadero Cr. near Iverson's 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
  POM202650  Euonymus occidentalis Alice Eastwood 1933-5-31 18843 San Mateo Butano Canyon. Comment
  POM278190  Euonymus occidentalis Lyman Benson 1930-5-26 2132 San Mateo Stanford University, Lake Searsville 152 Comment
  CAS-BOT-BC202532  Euphorbia John H. Thomas 1968-10-6 14848 San Mateo Vicinity of railroad tracks and Dumbarton Bridge causeway entrance. East of Palo Alto Comment
  RSA130686  Euphorbia crenulata Roxana S. Ferris 1921-3-20 2114 San Mateo Pescadero - La Honda Road. 183 Comment
  UCD142398  Euphorbia helioscopia J. H. Thomas 1959-7-8 8014 San Mateo About 1/4 mile west of center of Pescadero on road toward the coast. Comment
  SJSU15422  Euphorbia lathyris Toni Corelli 2011-8-31 715 San Mateo Pescadero State Beach and Marsh Natural Preserve, Round Hill Trail at the end of Water Lane Road 5 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
  JROH5892  Euphorbia oblongata Ann Lambrecht 2008-9-3 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; about 3m uphill to the west from Bear Creek Crossing, at the Preserve boundary Comment
  JROH1972  Euphorbia spathulata John H. Thomas 1970-4-28 15609 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1974  Euphorbia spathulata John H. Thomas 1974-4-4 17083 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM137493  Euphorbia spathulata A. D. E. Elmer 1903-04 4740 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC310626  Eurybia radulina J. H. Thomas 1957-8-16 6823 A San Mateo Along Skyline Blvd., near entrance to Isenberg Ranch 518 Comment
  SJSU5380  Felicia bergeriana C. S. Hendrick 1963-3-20 San Mateo Sharon Estate Comment
  JROH5169  Festuca arundinacea John Hunter Thomas 1992-5-14 25231 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near boat ramp. Comment
  CAS-BOT-BC278355  Festuca californica subsp. californica W. R. Dudley 1900-3-16 s.n. San Mateo Santa Cruz Mountain Peninsula. By road to Kings Mt near junction of trail from Tripp Store Comment
  POM296651  Festuca californica var. californica Lyman Benson 1930-5-3 2100 San Mateo Above Woodside, Mt. Range: Santa Cruz 244 Comment
  POM87695  Festuca californica var. californica Le Roy Abrams 1902-5-11 2461 San Mateo Crystal Springs. Comment
  UC1106220  Festuca elmeri Peter H. Raven 1950-6-3 2252 San Mateo woods around San Andreas Lake San Andreas Lake Comment
  CAS-BOT-BC278478  Festuca idahoensis Elizabeth McClintock 1964-4-17 s.n. San Mateo San Bruno Mountain Comment
  CAS-BOT-BC278479  Festuca idahoensis Elizabeth McClintock 1963-6-9 s.n. San Mateo San Bruno Mountain Comment
  SJSU11266  Festuca idahoensis S. H. Casey 1980-6-13 1158 San Mateo Los Trancos Woods 609 Comment
  JROH5481  Festuca microstachys John H. Thomas 1963-5-15 10093 B San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5502  Festuca myuros Stephen N. Turitzin 1976-3-7 7 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5504  Festuca myuros W. Lennihan 1989-4-6 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. By parking lot near marsh. 108 Comment
  JROH5495  Festuca myuros John H. Thomas 1967-5-12 12867 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC278860  Festuca occidentalis W. R. Dudley 1898-7-1 s.n. San Mateo Pescadero Creek Comment
  JROH5508  Festuca octoflora Herb Dengler 1963-5-26 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Top of Ridge. Comment
  JROH5290  Festuca perennis John Hunter Thomas 1987-5-15 24287 A San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low flow crossing. Comment
  OBI21962  Festuca perennis Lewis S. Rose 1956-7-2 56116 San Mateo Skyline Blvd, Hills W of San Mateo 183 Comment
  SEINET175509 Image available Festuca rubra David D. Keck 1932-5-6 1478 San Mateo Above Millbrae Highlands Comment
  CAS-BOT-BC77693  Ficus carica Elizabeth McClintock; Paul Reeberg 1988-5-12 s.n. San Mateo Juncus Ravine Comment
  POM275004  Fragaria californica Lyman D. Benson 1928-4-21 101 San Mateo Stanford University, Mt. Range: Santa Cruz; River: San Francisquito Creek. 91 Comment
  CHSC39808  Fragaria chiloensis Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  UC466552  Fragaria chiloensis R. L. Pendleton 1907-4-20 629 San Mateo Colma Comment
  CAS-BOT-BC437039  Fragaria chiloensis Walter Knight; Irja Knight 1964-4-25 688 San Mateo West of Radio Road, San Bruno Mountain Comment
  UC137341  Fragaria vesca C. F. Baker 1902-1-15 233 San Mateo w side King's Mountain Comment
  CAS-BOT-BC457513  Fragaria vesca subsp. californica W. R. Dudley 1894-5-1 s.n. San Mateo Woodside to Crystal Springs, Santa Cruz Pennisula Comment
  CAS-BOT-BC457514  Fragaria vesca subsp. californica Josephine D. Randall 1907-6-8 33 / San Mateo Portola Valley, Santa Cruz Pennisula, Comment
  CAS-BOT-BC457520  Fragaria vesca subsp. californica Le Roy Abrams 1902-5-20 2469 San Mateo Kings Mountain Comment
  CAS-BOT-BC457527  Fragaria vesca subsp. californica George Oberlander 1949-4-9 58 San Mateo Pilarcitos Canyon, San Francisco Watershed Reserve Comment
  CAS-BOT-BC52689  Frangula californica subsp. californica Elizabeth McClintock; Phillip Wheeler 1967-6-11 s.n. San Mateo North facing slope to south of new Guadalupe Parkway to west of where it meets Radio Road Comment
  CAS-BOT-BC53599  Frangula californica subsp. tomentella Carl B. Wolf 1927-12-31 1473 San Mateo 1/2 way up Kings Mt. Comment
  SEINET3558049 Image available Frankenia grandifolia Lewis S. Rose 1933-7-20 33304 San Mateo Granada Sea Beach. Comment
  RSA22266  Frankenia salina L. S. Rose 1938-8-18 38230 San Mateo Brisbane 2 Comment
  UC1191594  Frankenia salina Malcolm A. Nobs and S. Galen Smith 1949-8-26 1599 San Mateo marshes at mouth Pescadero Creek Comment
Read comments
Oct 31 2021
  UC136741  Frankenia salina Dr. E. B. Copeland 1903-6-18 3313 San Mateo Half Moon Bay Half Moon Bay (on sea coast on edge of cliff) Comment
  CAS-BOT-BC212964  Fremontodendron californicum W. R. Dudley 1897-12-29 s.n. San Mateo Butano Creek, Santa Cruz Peninsula Comment
  JROH4685  Fritillaria affinis John H. Thomas 1977-4-29 18573 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4686  Fritillaria affinis John Hunter Thomas 1981-4-5 20278 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek Comment
  LA22137  Fritillaria liliacea H. E. Parks; S. T. Parks 1930-3-10 400 San Mateo Spring Valley Lakes 152 Comment
  POM273462  Fritillaria liliacea Lyman Benson 1929-3-16 s.n. San Mateo Crystal Springs Lake, Spring Valley Comment
  SJSU115  Fritillaria liliacea Thelma Silva 1931-3-8 San Mateo Spring Valley, head of Pilarcitos Creek Comment
  UC1442617  Fritillaria liliacea Theodore F. Niehaus 1978-3-9 78945 San Mateo 0.2 mi nw of Polhemus Road (on Tower Road to San Mateo County Juvenile jail) Comment
  CDA20772  Fumaria capreolata D. Pendleton 2006-6-13 PDR 1381606 San Mateo Old Jackson Orchard Nursery, Pescadero Creek Rd.. Comment
  CAS-BOT-BC389733  Galium J. Lovelle 1973-8-5 37 San Mateo Mt. Ellen Trail Comment
  CDA28822  Galium aparine D. G. Kelch 2009-6-9 9 .401 San Mateo Santa Cruz Mts.; Chert outcrop and adjacent mixed evergreen forest along Skyline Blvd ~1 km W of Skegg s Point. Comment
  JEPS127813  Galium aparine Adam C. Schneider with C. Matt Guilliams 2013-4-7 77 San Mateo Comment
  UCSC007756  Galium aparine Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  UCD166156  Galium californicum Jack Major; M. Forde and S. Bamberg 1962-4-3 741 a San Mateo Above Coastways Ranch on Finney Creek. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET12285509  Galium californicum Unknown 1933-1 10379 San Mateo White House Creek Comment
  JEPS27349  Galium californicum subsp. californicum Rimo Bacigalupi with L. R. Heckard and Jim Roof 1961-4-24 7610 San Mateo just below rocky spur due north of true summit (directly below and ne of KQED radio power station); San Bruno Mountain 342 Comment
  UC615504  Galium californicum subsp. californicum Beryl O. Schreiber 1932-5-29 299 San Mateo w San Mateo (Skyline Boulevard) Comment
  JROH3788  Galium murale John H. Thomas 1961-4-29 9177 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3810  Galium porrigens var. porrigens John H. Thomas 1968-3-17 14185 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3820  Galium triflorum Toni Corelli 2004-4-22 274 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 1 just past the first redwood grove 79 Comment
  POM58032  Gamochaeta ustulata E. B. Copeland 1903-6-18 3312 San Mateo Montara Point. Comment
  CAS-BOT-BC303470  Gamochaeta ustulata George Oberlander 1949-5-13 156 San Mateo San Francisco Watershed Reserve. About San Andreas Lake Comment
  CAS-BOT-BC194569  Garrya elliptica Lewis S. Rose 1962-2-5 62001 San Mateo San Andreas Lake 152 Comment
  CAS-BOT-BC194572  Garrya elliptica W. R. Dudley 1895-2-9 s.n. San Mateo On Alpine Road two miles below watering place near Stanford University Comment
  RSA681650  Garrya elliptica Annuschka Deb 1989-3-17 39 San Mateo Woodside. Comment
  SD12562  Garrya elliptica Gill D. Demaree 1930-2-1 San Mateo Road to Los Trancos Woods Comment
  UCD66730  Gastridium phleoides Malcolm A. Nobs; S. Galen Smith 1949-8-26 1610 San Mateo About 1 mile south of Pigeon Point. Comment
  RSA18344  Gastridium phleoides C. B. Wolf 1927-7-14 597 San Mateo Summit of Kings Mountain Rd. Comment
  CAS-BOT-BC278712  Gastridium ventricosum Elizabeth McClintock; Paul Reeberg 1988-8-12 s.n. San Mateo San Bruno Mountain. Along drainage ditch west of the Quarry; Crocker Industrial Park 45 Comment
  CDA33991  Genista monspessulana D. G. Kelch, David Gernandt, Steffi Ickert-Bond, Yingli Guo 2011-4-22 11 .149 San Mateo Santa Cruz Mountains.; Skyline Blvd, ~ 5 miles W of Los Altos. Comment
  JROH2017  Genista monspessulana John Hunter Thomas 1986-5-8 24023 San Mateo Jasper Ridge Biological Preserve, Stanford University; near smaller part to Searsville Lake Comment
  UCR2934  Genista monspessulana Wm. Horn Jr. 1963-4-7 630407- 2 San Mateo San Francisco Bay, Hillsborough, 2240 Redington Road 30 Comment
  SD227830  Geranium carolinianum G. K. Helmkamp, E. A. Helmkamp 1998-5-16 3738 San Mateo Portola Valley: Golden Hills Rd. along Los Trancos Creek. 106 Comment
  UCD103506  Geranium robertianum Carolyn Lundquist 1994-5-30 24 San Mateo Henrik Ibsen Park, 13800 Skyline Blvd. Woodside, CA. 609 Comment
  UC774606  Gilia achilleifolia subsp. achilleifolia Carl B. Wolf 1938-4-24 9401 San Mateo 1/4 mi sw San Francisquito Creek Bridge (Stanford University); , sw of San Francisquito Creek Bridge 60 Comment
  CAS-BOT-BC266511  Githopsis diffusa Margaret A. Barry 1937-5-15 s.n. San Mateo On Coal Mine Ridge Comment
  CAS-BOT-BC303679  Glebionis coronaria Elizabeth McClintock; Paul Reeberg 1988-4-14 s.n. San Mateo San Bruno Mts. N of school at Lower Guadalupe Canyon Parkway Comment
  CAS-BOT-BC303682  Glebionis coronaria Dean Wm. Taylor 1988-4-8 9516 San Mateo Santa Cruz Mts. San Bruno Mt, N slope of SE ridge of the mountain, near the ridgecrest. Right-of-way of E-most set of PG&E high-voltage powerlines crossing the mt 237 Comment
  CAS-BOT-BC303686  Glebionis coronaria Walter & Irja Knight 1965-4-24 1083 San Mateo San Bruno Mt. Pig Ranch Ravine 45 Comment
  JROH2027  Glycyrrhiza lepidota Toni Corelli 2006-8-9 317 San Mateo Jasper Ridge Biological Preserve, Stanford University; top of slope at beginning of Trail 12, above smaller quarried area 106 Comment
  RSA184927  Gnaphalium beneolens L. S. Rose 1966-8-15 66082 San Mateo Emerald Lake, west of Redwood City 91 Comment
  POM55189  Gnaphalium californicum A. D. E. Elmer 1903-06 4291 San Mateo Crystal Springs Lake. Comment
  RSA17890  Gnaphalium chilense C. B. Wolf 1927-6-15 s.n. San Mateo Skyline Boulevard, S of San Francisco Comment
  SEINET3386993 Image available Gnaphalium ramosissimum Lewis S. Rose 1935-8-13 35568 San Mateo Salada, Brushy coastal hills. 30 Comment
  CDA6058  Gnaphalium stramineum A. C. Browne 1950-8-12 San Mateo Alpine Creek. 0 Comment
  POM359103  Grindelia D. D. Keck 1931-9-27 1273 San Mateo Dumbarton Bridge. Comment
  UCD132477  Grindelia camporum John Thomas Howell 1964-12-6 41032 San Mateo Vacant lot near Southern Pacific Railroad station, Millbrae. Comment
  SD12573  Grindelia camporum Edith A. Purer 1933-8-4 5414 San Mateo Flat area near Baden Station Comment
  CAS-BOT-BC304507  Grindelia hirsutula Phillip C. Wheeler 1965-6-19 s.n. San Mateo San Bruno Mountain. Brisbane Lagoon Comment
  CAS-BOT-BC304510  Grindelia hirsutula David D. Keck 1931-9-27 1273 San Mateo Dumbarton Bridge Comment
  CAS-BOT-BC304517  Grindelia hirsutula L. R. Abrams 1909-8-2 4249 San Mateo Santa Cruz Peninsula. Pebble Beach. Pescadero Comment
  CAS-BOT-BC304552  Grindelia hirsutula W. R. Dudley 1899-5-14 s.n. San Mateo Santa Cruz Peninsula. By road from Pilarcitos to San Andreas Comment
  CAS-BOT-BC304556  Grindelia hirsutula Phillip C. Wheeler 1965-4-27 s.n. San Mateo San Bruno Mountain. Sierra Point Comment
  SBBG25107  Grindelia hirsutula D. Myrick 1966-6-11 1451 San Mateo Pigeon Pt on St Hwy 1, S of San Francisco Comment
  UC1118556  Grindelia hirsutula N. K. Carlson 1935-6-29 105 San Mateo 1 mi s Pescadero; Santa Cruz Quad. Comment
  CAS-BOT-BC304539  Grindelia hirsutula Alice Eastwood; John Thomas Howell 1939-7-9 7440 San Mateo Skyline Blvd. east of La Honda Comment
  JROH822  Grindelia hirsutula John Hunter Thomas 1981-5-25 20630 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC282867  Hainardia cylindrica A. G. Vestal 1926-5-1 s.n. San Mateo San Pedro Point Comment
  JROH439  Hedera helix John H. Thomas 1967-6-1 12974 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH830  Helenium puberulum John H. Thomas 1961-6-14 9542 San Mateo Jasper Ridge Biological Preserve, Stanford University; along stream below dam Comment
  JROH840  Helenium puberulum John Hunter Thomas 1980-11-27 20178 San Mateo Jasper Ridge Biological Preserve, Stanford University; along causeway Comment
  UC1192221  Helenium puberulum Malcolm A. Nobs and S. Galen Smith 1949-8-25 1576 San Mateo marsh s of Rockaway Beach Comment
  UCR141419  Helenium puberulum June Latting 1975-6-8 s.n. San Mateo Central Coast, slough across from Pescadero dump (on Bean Hollow Rd.), west of Pescadero 9 Comment
  HSC23888  Helenium puberulum Mary Katherine Wicksten 1971-6-22 94 San Mateo Huddart Park; by Madrone Area, toward Miwok Shelter Comment
  HSC23988  Helenium puberulum Mary Katherine Wicksten 1971-6-22 93 San Mateo Huddart Park; by Madrone Area, toward Miwok Shelter Comment
  UCD132749  Helenium puberulum W. A. Harvey; J. M. Tucker 1948-6-28 1701 San Mateo on ridge around 3 miles north of Pescadero. 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
  CAS-BOT-BC305341  Helianthella castanea Glenn L. Clifton 1988-5-11 17823 San Mateo San Bruno Mountain, canyon on north-facing slope above Brisbane, adjacent to right-of-way of eastern-most set of PGandE high-voltage powerlines crossing the mountain 256 Comment
  RSA176823  Helianthemum scoparium var. scoparium John H. Thomas 1961-5-5 9220 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. 152 Comment
  CAS-BOT-BC305365  Helianthus annuus J. H. Thomas 1959-12-18 8521 San Mateo Near Palo Alto Yacht Harbor Comment
  SD37583  Helminthotheca echioides Edith A. Purer 1933-8-13 5417 San Mateo Belmont Comment
  UC1536746  Helminthotheca echioides Gordon H. True 1937-7-23 802 San Mateo near Salada Beach Road; Skyline Blvd 60 Comment
  CAS-BOT-BC313459  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1935-9-21 35652 San Mateo Redwood City Comment
  CAS-BOT-BC314909  Hemizonia congesta subsp. luzulifolia Ned Cahill 1974-4-30 224 San Mateo Near the intersection of Canada and Edgewood Roads about 3 mi. westward from Redwood City Comment
  CAS-BOT-BC314918  Hemizonia congesta subsp. luzulifolia John H. Thomas 1958-11-22 7507 San Mateo Jasper Ridge, about 5 miles southwest of Palo Alto 182 Comment
  CAS-BOT-BC314941  Hemizonia congesta subsp. luzulifolia David D. Keck 1932-5-6 1492 San Mateo East side of Crystal Springs Lake 60 Comment
  CDA7038  Hemizonia congesta subsp. luzulifolia A. C. Browne 1950-8-12 San Mateo Portola. 0 Comment
  JEPS40999  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-9-5 64070 San Mateo w Redwood City; Emerald Lake 243 Comment
  JROH875  Hemizonia congesta subsp. luzulifolia John Hunter Thomas 1991-8-4 25078 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  LA27292  Hemizonia congesta subsp. luzulifolia Lewis S. Rose; 1941-10-24 41470 San Mateo Belmont 6 Comment
  UC990599  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1910-8-24 San Mateo Corte Madera Creek Comment
Read comments
Mar 12 2009
  UCD133004  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-9-5 64070 San Mateo Emerald Lake, west of Redwood City. 243 Comment
  CAS-BOT-BC314937  Hemizonia congesta subsp. luzulifolia Cherie Wetzel 1969-7-8 923 San Mateo Near Canada College, Redwood City just off of Farm Hill Blvd. Comment
  OBI16216  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-9-5 64070 San Mateo Emeral Lake, W of Redwood City 244 Comment
  POM55223  Hemizonia corymbosa subsp. corymbosa A. D. E. Elmer 1903-07 4963 San Mateo Crystal Springs Lake Comment
  RSA94180  Hemizonia corymbosa subsp. corymbosa D. D. Keck 1932-5-25 1784 San Mateo Hills 2 miles W of Belmont Comment
  RSA133900  Hemizonia luzulifolia John H. Thomas 1958-6-11 7228 San Mateo About 4.3 miles due E of Belmont near Crystal Springs Reservoir. 91 Comment
  SEINET10616464 Image available Hemizonia luzulifolia LeRoy R. Abrams 1902-5-11 Abrams 2446 San Mateo Comment
  RSA81595  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1910-8-24 s.n. San Mateo Corte Madera Creek. Comment
  UC204735  Heracleum lanatum A. D. E. Elmer July, 1903 5073 San Mateo Pilarcitos Stone Dam Comment
  JROH248  Heracleum maximum John H. Thomas 1961-5-5 9210 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below Searsville Dam 76 Comment
  RSA176770  Heracleum maximum John H. Thomas 1961-5-5 9210 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Along San Francisquito Creek below Searsville Dam. 76 Comment
  UCR123139  Heracleum maximum George K. Helmkamp, E. A. Helmkamp 2001-6-2 6788 San Mateo San Francisco Bay Region, Purisima Creek Road, east of Half Moon Bay at Purisima Creek, 3.2 miles east of CA Hwy 1 244 Comment
  CAS-BOT-BC310247  Hesperevax sparsiflora var. sparsiflora Ned Cahill 1974-4-29 191 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JROH884  Hesperevax sparsiflora var. sparsiflora John H. Thomas 1970-1-1 15493 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH889  Hesperevax sparsiflora var. sparsiflora John Hunter Thomas 1981-4-23 20483 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH894  Hesperevax sparsiflora var. sparsiflora John Hunter Thomas 1982-4-28 20874 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH899  Hesperevax sparsiflora var. sparsiflora John Hunter Thomas 1991-5-2 25008 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4229  Hesperocnide tenella John H. Thomas 1974-5-19 17384 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC403864  Hesperocnide tenella Roxana S. Ferris 1921-3-20 2109 San Mateo Santa Cruz Mountain Peninsula. Pescadero Creek, 6 mi above Pescadero Comment
  CAS-BOT-BC176208  Hesperolinon congestum A. D. E. Elmer 1903-5-1 4422 San Mateo Crystal Springs Lake Comment
  RSA159409  Hesperolinon congestum John H. Thomas 1961-5-14 9379 San Mateo Just north of dam on San Mateo Creek. 122 Comment
  JROH2922  Hesperolinon micranthum John H. Thomas 1963-5-15 10093 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2924  Hesperolinon micranthum John H. Thomas 1967-5-31 12943 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2928  Hesperolinon micranthum John H. Thomas 1969-6-4 15107 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC148465  Heteromeles arbutifolia J. H. Thomas 1949-10-16 1156 San Mateo Between Skyline Drive and Searsville Lake 304 Comment
  CAS-BOT-BC148473  Heteromeles arbutifolia A. D. E. Elmer 1903-2-1 s.n. San Mateo Portola Comment
  CAS-BOT-BC148474  Heteromeles arbutifolia A. D. E. Elmer 1903-2-1 4575 San Mateo Portola Comment
  RSA681422  Heteromeles arbutifolia Annuschka Deb 1989-1-27 14 San Mateo Woodside. Comment
  JROH905  Heterotheca grandiflora Monica Bjorkman 1991-11-20 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; SLAC corridor Comment
  RSA640952  Heterotheca sessiliflora subsp. bolanderi R. F. Thorne, George B. Everett 1963-6-9 32215 San Mateo On Kamchatka Point near TV tower on San Bruno Mountain. 335 Comment
  CAS-BOT-BC310765  Heterotheca sessiliflora subsp. echioides J. H. Thomas 1954-5-28 4236 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco 91 Comment
  RSA184913  Heterotheca sessiliflora subsp. echioides L. S. Rose 1966-8-20 66087 San Mateo San Bruno Mountain. 366 Comment
  UC729863  Heuchera micrantha var. diversifolia Carl B. Wolf 1929-6-8 3747 San Mateo along head of San Francisquito Creek; Searsville Lake 91 Comment
Read comments
Jul 14 2009
  UC765037  Heuchera micrantha var. erubescens R. F. Hoover 1940-9-1 4546 San Mateo La Honda summit La Honda Comment
  CAS-BOT-BC420900  Heuchera micrantha var. erubescens Josephine D. Randall 1907-7-7 s.n. San Mateo Kings Mt Comment
  CAS-BOT-BC319636  Hieracium albiflorum Josephine D. Randall 1907-6-29 82 San Mateo Portola Valley, Santa Cruz Peninsula Comment
  RSA10998  Hierochloe occidentalis C. B. Wolf 1928-3-14 1535 San Mateo La Honda grade in the Santa Cruz Mountains 152 Comment
  UC768776  Hierochloe occidentalis R. F. Hoover 1939-3-3 3898 San Mateo on La Honda road above Portola Comment
  CAS-BOT-BC289251  Holcus lanatus Walter Knight; Irja Knight 1964-9-2 s.n. San Mateo Crocker Avenue, San Bruno Mountain Comment
  RSA17940  Holcus lanatus C. B. Wolf 1927-6-13 s.n. San Mateo La Honda Grade. Comment
  RSA176728  Holodiscus discolor John H. Thomas 1962-7-15 9916 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  CAS-BOT-BC150067  Holodiscus discolor var. discolor David D. Keck 1932-6-1 1795 San Mateo Above Searsville Lake, on road between Woodside and Skyline Blvd., Santa Cruz Mountains Comment
  JROH5931  Holodiscus discolor var. discolor L. Nordby 1982-4-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail behind weather station on the top of Jasper Ridge. Comment
  RSA181232  Hordeum brachyantherum John H. Thomas 1963-5-20 10111 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  CAS-BOT-BC284681  Hordeum brachyantherum subsp. brachyantherum A. D. E. Elmer 1903-6-1 4851 San Mateo Crystal Springs Lake Comment
  JROH5222  Hordeum brachyantherum subsp. californicum John H. Thomas 1975-5-26 17916 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5224  Hordeum brachyantherum subsp. californicum John H. Thomas 1978-5-16 s.n. 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
  JROH5240  Hordeum marinum subsp. gussoneanum John Hunter Thomas 1977-6-16 18789 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along raised causeway. Comment
  CAS-BOT-BC271353  Hordeum vulgare J. H. Thomas 1962-5-12 9862 San Mateo Franklin Point, about sea level Comment
  CAS-BOT-BC271354  Hordeum vulgare Fred Hemphill 1973-4-15 671 San Mateo Area north of Malabar Road and Melendy Drive, San Carlos 207 Comment
  CAS-BOT-BC271360  Hordeum vulgare Arthur Chan 1981-5-8 070 San Mateo South San Francisco, 1050 Old Mission Road in a vacant lot to the rear of the parking lot Comment
  RSA181227  Horkelia californica John H. Thomas 1964-6-19 10425 San Mateo 0.9 miles S of Tunitas Creek near Coast Hwy, 61 Comment
  UC83527  Horkelia californica Katharine Brandegee June 1905 San Mateo Halfmoon Bay Comment
  CAS-BOT-BC536143  Horkelia californica L. R. Abrams 1926-5-26 11219 San Mateo San Bruno Hills near Daly City Comment
  CAS-BOT-BC536144  Horkelia californica Helen D. Geis 1901-10-25 s.n. San Mateo Spanishtown [Half Moon Bay] near cemetery Comment
  CAS-BOT-BC536150  Horkelia californica Alice Eastwood 1915-6-13 4711 San Mateo Granada Comment
  CAS-BOT-BC143928  Horkelia cuneata var. 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
  SJSU2301  Hosackia gracilis C. W. Sharsmith 1950-4-16 6630 San Mateo near Pescadero Point, Pescadero Comment
  UC964738  Hydrocotyle moschata W. J. Bevan 1951-5-4 San Mateo 24 Belford Way, San Mateo Comment
  UCD160242  Hypericum canariense Christopher Dillis 2015-5-15 5 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
  JROH915  Hypochaeris glabra John H. Thomas 1967-5-10 12859 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC311399  Hypochaeris glabra John Thomas Howell 1926-4-24 1926 San Mateo Daly City Comment
  JEPS127865  Hypochaeris radicata Adam C. Schneider 2013-5-17 187 San Mateo Crystal Springs Reservoir Comment
  JROH926  Hypochaeris radicata John H. Thomas 1967-6-1 12965 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC311490  Hypochaeris radicata Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain. East end of Summit Ridge Comment
  POM361225  Hypochaeris radicata E. A. Purer 1932-7-18 4005 San Mateo Half Moon Bay Comment
  RSA14212  Hypochaeris radicata C. B. Wolf 1926-10-19 199 San Mateo East slope of La Honda Grade; Santa Cruz Mts. Comment
  JROH5581  Impatiens balfourii John Rawlings 2013-7-2 1193 San Mateo Jasper Ridge Biological Preserve, Stanford University; downstream of Low Flow Crossing and about 100 m north of serpentine contact 78 Comment
  JROH5615  Iris douglasiana John Rawlings 2014-4-11 1218 San Mateo Jasper Ridge Biological Preserve, Stanford University; confluence of Bear and San Francisquito creeks just east of the terminus of Trail 20 growing at edge of the steep bank of San Francisquito Creek. 82 Comment
  UC4275  Iris douglasiana J. Burtt Davy Jun 21 1893-Jun 23 1893 1129 San Mateo Pilarcitos Lake and Pilarcitos Canyon; Pilarcitos Lake, Pilarcitos Canyon Comment
  UC4282  Iris douglasiana J. Burtt Davy 1895-4-20 1021 San Mateo Millbrae Comment
  UCR198043  Iris douglasiana S. Seiki, Patricia Carter 1998-5-2 02 San Mateo Montara Mountain, city of Pacifica, c. 2.4 mi from San Pedro Valley along Devil's Slide heading west Comment
  RSA51238  Iris douglasiana Peter H. Raven 1950-4-16 1796 San Mateo Summit ridge, San Bruno Mountains. 244 Comment
  UCSB18695  Iris douglasiana Hutchinson, Sandra 1964-3-24 San Mateo Crystal Springs Lake; Sawyer Camp Road; about 0.6 mile from Skyline Blvd; entrance off of Millbrae Ave 106 Comment
  CAS-BOT-BC133668  Iris longipetala J. H. Thomas 1954-5-28 4240 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco 91 Comment
  SEINET5883393 Image available Iris longipetala L. S. Rose 1964-1 64020 San Mateo S San Francisco, San Bruno Mtn, alt ca 200 ft Comment
  UC311543  Iris macrosiphon A. D. E. Elmer May 1903 4503 San Mateo Portola Comment
  UC494237  Iris macrosiphon Anna E. Ehlers 281 San Mateo San Andreas Comment
  POM263469  Iris missouriensis R. C. Foster 1937-4-30 244 San Mateo Near the Skyline Boulevard, north of Kings Mountain Comment
  POM290948  Iris missouriensis Lyman Benson 1929-3-21 1021 San Mateo Wet places north of South San Francisco Comment
  JROH4430  Iris pseudacorus John H. Thomas 1961-5-5 9221 San Mateo Jasper Ridge Biological Preserve, Stanford University. Swampy area at edge of Searsville Lake Comment
  CAS-BOT-BC112612  Isolepis cernua John Hunter Thomas 1959-7-8 8017 San Mateo Low moist coastal bluffs as Pescadero Beach. Comment
  CAS-BOT-BC112606  Isolepis cernua Guy Thomas Robbins 1958-9-1 3934 San Mateo At edge of Cordonices Creek near its mouth, just E of the Eastshore Freeway Comment
  RSA40141  Isolepis cernua L. S. Rose 1948-12-3 48242 San Mateo Ocean Shore Blvd., 6 miles S of San Francisco County line. Comment
  SEINET7589112 Image available Isolepis cernua E. B. Copeland 1903-6-15 3315 San Mateo Montara Point. Comment
  JROH2775  Juglans hindsii John H. Thomas 1980-11-18 20174 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC109971  Juncus James McMurphy 1909-10-17 s.n. San Mateo San Gregorio. Lagoon. Comment
  SJSU15957  Juncus bufonius var. bufonius John Rawlings, Ken Hickman 2016-5-26 1834 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
  JROH4457  Juncus bufonius var. occidentalis John H. Thomas 1955-5-6 4986 San Mateo Jasper Ridge Biological Preserve, Stanford University. Open serpentine area on top of ridge and adjacent grassy slopes Comment
  JROH4460  Juncus bufonius var. occidentalis John H. Thomas 1966-4-6 11553 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA786663  Juncus effusus var. brunneus Peter Rubtzoff, Roman Gankin 1975-9-11 8372 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  UCR244653  Juncus lescurii Peter Rubtzoff 1976-6-30 8708 San Mateo Central Coast, San Bruno Mountains. 'Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction; westernmost part of the area on slope across fence 220 Comment
  SD260863  Juncus lescurii Peter Rubtzoff 1976-6-30 8708 San Mateo San Bruno Mountain; Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Westernmost part of the area on slope across fence. Comment
  POM193864  Juncus occidentalis A. D. E. Elmer 1903-06 4439 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC227623  Juncus occidentalis Peter Rubtzoff; Elizabeth McClintock; Paul Reeberg 1989-6-3 s.n. San Mateo San Bruno Mountains. Shearwater 22 Comment
  RSA18448  Juncus patens Carl B. Wolf 1927-6-29 559 San Mateo South of Pebble Beach near Pescadero Comment
  UC1601846  Juncus patens J. Burtt Davy 1893-6-22 760 San Mateo Lake Pilarcitos Comment
  RSA18498  Juncus patens Carl B. Wolf 1927-7-14 622 San Mateo 1 mile south of summit of Kings Mt on Skyline Drive. Comment
  UC2680  Juncus phaeocephalus J. Burtt Davy 1893-6-17 851 San Mateo w of Salt Marsh; Belmont Comment
  CAS-BOT-BC182762  Juncus phaeocephalus Peter Rubtzoff 1980-8-4 9561 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Westernmost part of the area on slope across fence. Comment
  CAS-BOT-BC210050  Juncus phaeocephalus Peter Rubtzoff 1978-7-8 9229 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  RSA790997  Juncus phaeocephalus var. paniculatus Peter Rubtzoff 1979-7-26 9298 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  JROH4509  Juncus xiphioides John H. Thomas 1974-4-25 17195 San Mateo Jasper Ridge Biological Preserve, Stanford University. Top of ridge Comment
  JROH4521  Juncus xiphioides Toni Corelli 2009-7-22 352 San Mateo Jasper Ridge Biological Preserve, Stanford University. South of Road B, Below Dennis Martin Marker site in San Francisquito Creek 71 Comment
  JROH4038  Kickxia elatine Herbert Dengler 1961-9-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; S.F. Creek bed -- about midway between tiger lily site and old Zoology Cabin site -- directly below nesting sites of Kingfisher and Rough-winged Swallow Comment
  CAS-BOT-BC508360  Kniphofia Elizabeth McClintock; Paul Reeberg 1989-8-19 s.n. San Mateo Edge of P.G.&E. marsh, San Bruno Mountains Comment
  POM190453  Koeleria macrantha D. D. Keck 1932-5-6 1476 San Mateo Above Millbrae Highlands Comment
  RSA100995  Koeleria macrantha G. Oberlander 1950-4-23 914 San Mateo Sweeney Ridge, San Francisco Watershed Reserve Comment
  RSA582055  Koeleria macrantha D. D. Keck 1932-5-6 1476 San Mateo Above Millbrae Highlands Comment
  UCD86022  Koeleria macrantha A. A. Beetle 1942-6-11 3597 San Mateo rt. 5, 15 miles south of San Bruno. Comment
  CAS-BOT-BC273730  Koeleria pyramidata Elizabeth McClintock 1963-6-9 s.n. San Mateo San Bruno Mountain. Slope below parking lot Comment
  CAS-BOT-BC340468  Lactuca saligna John Thomas Howell 1930-11-9 5711 San Mateo On the Skyline Boulevard in the hills above Millbrae Comment
  CAS-BOT-BC340469  Lactuca saligna Walter Knight; Irja Knight 1963-10-7 328 San Mateo San Bruno Mountain. Cow Trough Ravine Comment
  JROH968  Lagophylla ramosissima John Hunter Thomas 1986-6-7 24084 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM283266  Lamium amplexicaule Lyman Benson 1930-4-17 2078 San Mateo Stanford University, foothills. Upper Sonoran. 122 Comment
  CAS-BOT-BC339066  Lasthenia californica John Thomas Howell 1933-5-3 11204 San Mateo San Bruno Hills Comment
  CAS-BOT-BC339091  Lasthenia californica John H. Thomas 1971-5-2 15825 San Mateo Near intersection of Canada Road and Edgewater Road, about three miles westward from Redwood City 152 Comment
  POM55213  Lasthenia californica A. D. E. Elmer 1903-04 4507 San Mateo San Bruno Hills Comment
  CAS-BOT-BC339078  Lasthenia californica H. A. Dutton 1910-3-25 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  RSA116658  Lasthenia californica Roxana S. Ferris 1921-4-7 2128 San Mateo San Bruno Mt.; Plants of the Santa Cruz Mountain Peninsula. 213 Comment
  RSA585988  Lasthenia californica Adree M. Desrochers 1988-4-21 306 San Mateo Near Palo Alto. Near Palo Alto. Jasper Ridge, Biological Preserve of Stanford University. Comment
  UC517990  Lasthenia californica subsp. californica Lewis S. Rose 1933-4-30 33128 San Mateo Redwood City Comment
  CAS-BOT-BC324425  Lasthenia californica subsp. macrantha Kenton L. Chambers 1956-6-20 1045 San Mateo Pebble Beach near Pescadero Point, on bluff between Highway 1 and the ocean Comment
  JEPS98726  Lasthenia glabrata subsp. glabrata Raymund Chan 1997-4-12 97012 San Mateo 50 m S of Edgewood Road just before its junction with Canada Road, W of I-280; watershed property; plants not visible from road Comment
  RSA131837  Lasthenia glabrata subsp. glabrata John H. Thomas 1954-4-2 3792 San Mateo 1.5 miles E of center of Redwood City. 0 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-BC355546  Lasthenia glabrata var. glabrata A. D. E. Elmer 1903-5-1 4426 San Mateo Millbrae Comment
  CAS-BOT-BC368189  Lasthenia minor Peter H. Raven 1950-4-30 1953 San Mateo Montara 15 Comment
  SJSU2272  Lasthenia minor C. W. Sharsmith 1947-3-13 6753 San Mateo Pescadero Beach near Pescadero Point Comment
  CAS-BOT-BC368193  Lasthenia minor James McMurphy 1909-6-13 s.n. San Mateo Colma to San Bruno hills Comment
  SEINET12153854  Lathyrus jepsonii Unknown 1933-1 70 San Mateo Alpine Rd Comment
  CHSC57080  Lathyrus littoralis Steven Triano 1988-5-24 207 San Mateo Coastal sand dunes w of Hwy. 1 ca 0.2 mi n of Pescadero Road. 9 Comment
  SEINET12153905  Lathyrus littoralis M. T. Doutt 1931-1 244 San Mateo S of San Francisco, nr Salada Comment
  UCD35772  Lathyrus vestitus Beecher Crampton 1962-6-11 6494 San Mateo Pacifica, north city limits, along State Hwy. 1 just southwest of its junction with Skyline Blvd. Comment
  POM16718  Lathyrus vestitus subsp. vestitus A. D. E. Elmer 1903-05 4745 San Mateo Kings Mountain. Comment
  POM19350  Lathyrus vestitus subsp. vestitus C. F. Baker 1902-5-10 8256 San Mateo Summit of Coast Range. Comment
  POM319934  Lathyrus vestitus subsp. vestitus Barbara Shervanick 1973-4-1 818 San Mateo San Bruno Mt. at first summit at end of Crocker Rd. Comment
  UC864588  Lathyrus vestitus var. vestitus Lewis S. Rose 1932-5-3 32208 San Mateo San Bruno 182 Comment
  RSA20413  Lavatera arborea I. L. Wiggins 1935-6-29 8050 San Mateo Bluffs near the beach near old Pebble Beach Hotel, between Pescardero and Pingeo Point Comment
  CAS-BOT-BC323159  Layia chrysanthemoides David D. Keck 1932-4-29 1450 San Mateo Redwood City. Comment
  JEPS39180  Layia gaillardioides W. L. Jepson 1914-3-22 5735 San Mateo Redwood City Comment
  UC990575  Layia gaillardioides James I. McMurphy 1909-5-25 San Mateo above Pulpit Rock; San Mateo Canyon Comment
  CAS-BOT-BC321091  Layia gaillardioides Kellogg; Brannan 1890-5-31 s.n. San Mateo Redwoods Comment
  CAS-BOT-BC327460  Layia hieracioides Fred Hemphill 1973-4-15 689 San Mateo San Carlos. Chaparral area N of Malabar Rd and Melendy Dr. 207 Comment
  CAS-BOT-BC327467  Layia hieracioides John H. Thomas 1950-4-23 1646 San Mateo Ben Lomond Sand Hills, along Quail Hollow Road 152 Comment
  UC89183  Layia hieracioides Alice Eastwood 1899-5-2 San Mateo near Pt. San Pedro 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-BC327526  Layia hieracioides C. G. Pringle 1882-7-11 s.n. San Mateo Aptos Comment
Read comments
Oct 28 2021
  RSA51286  Layia hieracioides Peter H. Raven 1950-4-6 1794 San Mateo Summit Ridge; San Bruno Mts. Comment
  SEINET8735276 Image available Layia nemorosa Lewis S. Rose 1935-1 35149 San Mateo Burlingame Comment
  CAS-BOT-BC382081  Layia platyglossa Le Roy Abrams 1902-5-11 2442 San Mateo Crystal Springs Comment
  CAS-BOT-BC382085  Layia platyglossa Ned Cahill 1975-1-8 392 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC382096  Layia platyglossa John H. Thomas 1961-5-7 9266 San Mateo San Bruno Mountainin northern part of county. 396 Comment
  CAS-BOT-BC382216  Layia platyglossa David D. Keck 1932-6-18 1980 San Mateo Skyline Blvd. at Langley Hill (SW of Stanford University) 600 Comment
  POM284976  Layia platyglossa subsp. campestris Arthur L. Cohen 1935-4-21 624 San Mateo Jasper Ridge; Mt.Range: Coast; Watershed: Searsville. 183 Comment
  CAS-BOT-BC537272  Lemna minor D E Breedlove 1974-5-13 36220 San Mateo Brushy slopes San Pedro Valley Park, Pacifica 152 Comment
  CAS-BOT-BC527267  Lemna minuta Ira L. Wiggins 1980-9-1 22271 San Mateo Pool in San Francisquito Creek, ca. 250 m. upstream from Pope Street Bridge, Menlo Park Comment
  CAS-BOT-BC221537  Lepechinia calycina A. D. E. Elmer 1903-6-1 4416 San Mateo San Mateo Comment
  POM202471  Lepechinia calycina L. S. Rose 1933-6-9 33225 San Mateo Belmont Comment
  UC25890  Lepechinia calycina J. Burtt Davy 1893-6-17 813 San Mateo Belmont Comment
  UCLA64405  Lepechinia calycina David D. Keck 1932-5-25 1779 San Mateo Hills two miles west fo 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
  POM312340  Lepidium didymum Malcolm A. Nobs, S. Galen Smith 1949-8-26 1594 San Mateo Marshes at the mouth of Pescadero Creek. Comment
  UCD115364  Lepidium didymum John H. Weiler; B. Hirano 1961-3-22 6132 San Mateo On a north slope near the edge of bluffs overlooking Moss Beach. Comment
  JROH1550  Lepidium nitidum John Hunter Thomas 1982-1-3 20793 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC12751  Lepidium oxycarpum Le Roy Abrams 1902-5-16 2277 San Mateo Cooley's Landing. Comment
  SBBG29869  Lepidium oxycarpum D. D. Keck 1932-3-24 1401 San Mateo Redwood City, at the border of San Francisco Bay Comment
  CAS-BOT-BC12953  Lepidium strictum John Thomas Howell 1955-5-5 s.n. San Mateo 700 block of Bromfield Road, Burlingame. Comment
  CAS-BOT-BC226539  Leptosiphon acicularis H. A. Dutton 1900-4-17 s.n. San Mateo Santa Cruz Peninsula. On Jasper near S. border Woodside Comment
  CAS-BOT-BC226608  Leptosiphon ambiguus Arthur Spiegler 1952-4-26 27 San Mateo 4 miles from Woodside on Canada Road to Skyline Boulevard Comment
  CAS-BOT-BC226609  Leptosiphon ambiguus James McMurphy 1906-5-8 s.n. San Mateo Head of Crystal Springs Lake Comment
  RSA128501  Leptosiphon ambiguus James I. McMurphy 1906-5-8 s.n. San Mateo Head of Crystal Springs Lake Comment
  SD3902  Leptosiphon androsaceus U. S. Grant IV Jun 1925 San Mateo Near La Honda Comment
  UCSC005503  Leptosiphon androsaceus Randall Morgan 1995-6-22 2797 San Mateo Ridge west of Waterman Creek 335 Comment
  SEINET3861922  Leptosiphon croceus Genevieve K. Walden 2009-6-22 203 San Mateo Moss Beach State Beach, Wylvale Rd. on cliff above beach.; 0 Comment
  JROH5625  Leptosiphon parviflorus John Rawlings 2014-5-9 1235 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 2 extension about 130 m west of its Escobar terminus. 146 Comment
  SJSU15218  Leptosiphon rosaceus Toni Corelli 2010-5-10 626 San Mateo Pillar Point Air Force Station 28 Comment
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Jan 23 2015
  RSA285921  Leptospermum laevigatum T. C. Fuller 1969-5-15 18476 San Mateo Hillslope opposite the welfare farm, Hwy 92 to San Mateo, E limits of half Moon Bay. Comment
  UCD23293  Leptospermum laevigatum Alan T. Whittemore 1976-5-29 111 San Mateo San Francisco Fish and Game Refuge. East side of Lower Crystal Springs Lake, on Sawyer's Camp Road. 94 Comment
  CAS-BOT-BC324065  Lessingia arachnoidea L. S. Rose 1941-9-6 41434 San Mateo San Mateo Canyon 90 Comment
  POM216543  Lessingia arachnoidea D. D. Keck 1931-10-5 1280 San Mateo Crystal Springs lake, E side Comment
  POM289269A  Lessingia arachnoidea Lyman Benson 1934-7-29 6109 San Mateo Crystal Springs Lake; Mt. Range: Santa Cruz; Watershed: S. F. Bay. 152 Comment
  JROH1019  Lessingia glandulifera var. glandulifera John Hunter Thomas 1981-7-24 20727 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1029  Lessingia glandulifera var. glandulifera John Hunter Thomas 1992-5-25 25343 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1033  Lessingia hololeuca John H. Thomas 1972-8-18 16153 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1036  Lessingia hololeuca Carol Zabel 1989-8-27 35 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
  UC73895  Lessingia hololeuca J. Burtt Davy Jun 21 1893-Jun 23 1893 San Mateo Pilarcitos Lake and Canyon Comment
  CAS-BOT-BC272289  Leymus X multiflorus J. H. Thomas 1963-6-23 10159 San Mateo Along Alpine Road near Ladera Comment
  JEPS71207  Leymus X vancouverensis William S. Cooper 1919-7-22 207 San Mateo Ano Nuevo Pt. Comment
  UCD61319  Leymus californicus G. L. Stebbins Jr. 1941-4-26 3089 San Mateo 1 mile Northeast of La Honda, along San Gregorio Creek. Comment
  CAS-BOT-BC283695  Leymus condensatus Elizabeth McClintock; Paul Reeberg 1989-5-24 s.n. San Mateo San Bruno Mountains. At Shearwater, near Bayshore Blvd 7 Comment
  CAS-BOT-BC272276  Leymus mollis J. H. Thomas 1963-5-11 10076 San Mateo Pescadero Beach Comment
  CAS-BOT-BC272190  Leymus triticoides John H. Thomas 1963-7-19 10190 San Mateo Ano Nuevo Island about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  JEPS17501  Ligusticum apiifolium R. L. Pendleton 1907-4-20 627 San Mateo Colma 182 Comment
  UC306537  Ligusticum apiifolium A. D. E. Elmer July 1903 4966 San Mateo San Mateo Comment
  CAS-BOT-BC451670  Lilaea scilloides W. R. Dudley 1900-3-18 s.n. San Mateo Santa Cruz Peninsula. Pond on Jersey Farm Road West of Baden Comment
  POM193948  Lilaea scilloides W. R. Dudley 1893-05 s.n. San Mateo Santa Cruz Mountain peninsula: Back of Mira Vista, near Stanford University Comment
  CAS-BOT-BC130791  Lilium pardalinum George Oberlander 1950-5-6 823 San Mateo San Mateo Creek Comment
  SD38189  Limnanthes douglasii Edith A. Purer 1933-5-17 3626 San Mateo Skyline Blvd. above Spring Valley Lakes. Comment
  SEINET12182117  Limnanthes douglasii Unknown 1932-1 9103 San Mateo Roadside between Spring Valley Lakes and Sky Line Drive Comment
  JROH4055  Limosella acaulis John Hunter Thomas 1980-11-12 20169 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC238364  Limosella aquatica W. R. Dudley 1909-10-4 s.n. San Mateo The Santa Cruz Mountain Peninsula. W. twin-pond, northern part of county Comment
  JROH2940  Linum bienne Ann Lambrecht 2002-5-18 2 San Mateo Jasper Ridge Biological Preserve, Stanford University; Sand Hill Road fence line Comment
  SEINET5629646 Image available Linum congestum Unknown 1907-1 8572 San Mateo Above Crystal Springs Comment
  UC1135271  Lithocarpus densiflorus C. M. Belshaw 1935-1-25 1470 San Mateo 2.5 mi nw Sierra Moreno Peak; Santa Cruz Quad. 609 Comment
  CAS-BOT-BC36072  Lithocarpus densiflorus var. densiflorus Josephine D. Randall 1907-6-29 128 San Mateo Kings Mt. Road Comment
  POM270415B  Lithocarpus densiflorus var. densiflorus Lyman Benson 1932-7-25 3952 San Mateo Kings Mt., above Woodside, Santa Cruz Mt range, San Francisquito Creek watershed. 305 Comment
  RSA15201  Lithocarpus densiflorus var. densiflorus Carl B. Wolf 1926-10-19 78 San Mateo La Honda Grade. Santa Cruz Mtns. Comment
  RSA212176  Lithocarpus densiflorus var. densiflorus L. S. Rose 1969-8-22 69098 San Mateo Skyline Blvd. & La Honda Road. 610 Comment
  CAS-BOT-BC36069  Lithocarpus densiflorus var. densiflorus W. R. Dudley 1895-3-26 s.n. San Mateo Beyond Post Office and near Mill on Alpine road Comment
  JROH3892  Lithophragma affine John Hunter Thomas 1983-4-5 21318 San Mateo Jasper Ridge Biological Preserve, Stanford University; below rattlesnake rock Comment
  CAS-BOT-BC430973  Lithophragma bolanderi Mita C. Daniel 1915-4-1 s.n. San Mateo King's Mountain Comment
  JROH3894  Lithophragma heterophyllum John Hunter Thomas 1983-4-5 21319 San Mateo Jasper Ridge Biological Preserve, Stanford University. Path to redwood area Comment
  JROH1567  Lobularia maritima John Hunter Thomas 1983-2-21 21284 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC342464  Logfia gallica John H. Thomas 1961-5-7 9249 San Mateo Colma. Near intersection of El Camino Real and F Street 45 Comment
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Oct 28 2021
  JROH732  Logfia gallica John H. Thomas 1967-5-31 12922 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH741  Logfia gallica John Hunter Thomas 1982-5-5 20920 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
  JROH731  Logfia gallica John H. Thomas 1967-5-10 12839 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC283220  Lolium multiflorum Paul Reeberg 1989-6-18 s.n. San Mateo San Bruno Mountains. In area N of PG&E Marsh, Guadalupe Hills 60 Comment
  JEPS71241  Lolium multiflorum William S. Cooper 1919-7-22 213 San Mateo Ano Nuevo Pt. Comment
  JEPS127851  Lomatium caruifolium var. caruifolium Adam C. Schneider with C. Matt Guilliams 2013-3-9 36 San Mateo Comment
  POM132686  Lomatium dasycarpum subsp. dasycarpum A. D. E. Elmer 1903-04 s.n. San Mateo Crystal Springs Lake. Comment
  JROH258  Lomatium dasycarpum subsp. dasycarpum John H. Thomas 1963-3-20 10027 San Mateo Jasper Ridge Biological Preserve, Stanford University; north side of ridge near Westridge end Comment
  CDA34371  Lomatium utriculatum E. Finley 1993-3-3 s.n. San Mateo Edgewood Park. 0 Comment
  JROH1652  Lonicera hispidula John H. Thomas 1970-7-5 15664 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1658  Lonicera hispidula John Hunter Thomas 1980-5-6 19925 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1663  Lonicera hispidula John Hunter Thomas 1987-5-26 24315 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1666  Lonicera hispidula John Hunter Thomas 1992-7-24 25382 San Mateo Jasper Ridge Biological Preserve, Stanford University; causeway and boat launching ramp Comment
  JROH5861  Lonicera hispidula Carol Zabel, Irene Brown 2003-7-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; thirty yards southeast of old brick well and a few yards uphill of Trail 2 extension near a large fallen oak and mature hawthorn 113 Comment
  RSA1949  Lonicera hispidula var. vacillans C. B. Wolf 1930-11-5 1061 San Mateo 2 miles W of La Honda, Santa Cruz. 305 Comment
  UCR51650  Lonicera involucrata R. Ascanio 1988-4-17 s.n. San Mateo E on Gazo Creek Road off Hwy 1, c. 2 mi. north of Ano Nuevo State Reserve 85 Comment
  CAS-BOT-BC164679  Lonicera involucrata var. ledebourii Peter Rubtzoff 1980-12-11 9635 San Mateo San Bruno Mountain. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  CAS-BOT-BC241414  Lonicera japonica Elizabeth McClintock 1967-9-24 s.n. San Mateo San Bruno Mountain. Crocker Avenue Comment
  CAS-BOT-BC198581  Lotus Peter Rubtzoff 1987-7-31 9821 San Mateo Best Products Company parking lot on east side of Gellert Blvd. north of Westborough Blvd. intersection, South San Francisco Comment
  CAS-BOT-BC290619  Lotus Peter Rubtzoff 1987-7-31 9821 San Mateo Best Products Company parking lot on east side of Gellert Blvd. north of Westborough Blvd. intersection, South San Francisco. Comment
  JROH2046  Lotus corniculatus John Hunter Thomas 1982-5-18 20937 San Mateo Jasper Ridge Biological Preserve, Stanford University; old racing oval Comment
  JROH2051  Lotus corniculatus Carol Zabel 1989-6-1 17 San Mateo Jasper Ridge Biological Preserve, Stanford University; San Francisquito Creek bank, just downstream from low-flow crossing on Road C Comment
  UCD106718  Lotus corniculatus B. Crampton 1962-6-11 6490 San Mateo Pacifica, north city limits, along State Hwy. 1 just southwest of its junction with Skyline Blvd. Comment
  UC729630  Lotus formosissimus Carl B. Wolf 1929-5-10 3703 San Mateo s of Pescadero; Pigeon Pt. 30 Comment
  UC80966  Lotus formosissimus Katharine Brandegee 1905-6-20 San Mateo seashore of Halfmoon Bay Halfmoon Bay Comment
  UC15718  Lotus heermannii var. orbicularis F. T. Bioletti 1892-6-22 San Mateo Italian Cemetery, S. Fr. Comment
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Dec 1 2007
  RSA120411  Lotus scoparius var. scoparius W. R. Dudley 1893-07 s.n. San Mateo Near Searsville Lake. Comment
  UC80760  Lotus stipularis var. stipularis C. F. Baker 1902-5-10 805 San Mateo Kings Mt. Comment
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May 17 2013
  HSC23882  Lotus unifoliolatus var. unifoliolatus Mary Katherine Wicksten 1971-6-15 25 San Mateo Huddart Park Rd. bank near office Comment
  UC1129221  Lotus wrangelianus H. S. Yates 1935-5-8 5207 San Mateo 2 mi n Langley Hill; Santa Cruz Quad. 579 Comment
  UC82226  Lupinus C. F. Baker 1902-5-10 816 San Mateo Summit of Coast Range Comment
  JROH2146  Lupinus affinis Toni Corelli 2010-3-29 362 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along Road E 106 Comment
  POM10879  Lupinus affinis C. F. Baker 1902-4-6 473 San Mateo Crystal Springs Lake. Comment
  SEINET10488392  Lupinus albifrons Randall 1907-7-23 RANDALL 199 San Mateo Near crystal springs lake Comment
  SEINET10488443  Lupinus albifrons Charles F. Baker 1902-5-4 Baker UMO 71685 San Mateo Crystal spring. Open sides of gulches, 9-18 dm high Comment
  CAS-BOT-BC195785  Lupinus albifrons var. albifrons Charles Piper Smith 1922-4-22 3495 San Mateo Belmont, Half Moon Bay road Comment
  CAS-BOT-BC195792  Lupinus albifrons var. albifrons Charles Piper Smith 1948-6-22 48523 San Mateo Highway 5 - junction Pagemill Road, 0.4 miles north Comment
  CAS-BOT-BC195796  Lupinus albifrons var. albifrons Charles Piper Smith 1948-6-21 48467 San Mateo Highway 5 - C.S. Dam-Bridge, 0.5 miles south Comment
  CAS-BOT-BC196122  Lupinus albifrons var. collinus J. F. Emmel 1969-3-19 146 San Mateo Crest of San Bruno Mts., 2 air miles west of Sierra Point 304 Comment
  RSA800198  Lupinus albifrons var. collinus Robert F. Thorne, Percy C. Everett 1963-6-9 32209 San Mateo On top of San Bruno Mountain, near TV tower. 335 Comment
  CAS-BOT-BC196432  Lupinus arboreus Charles Piper Smith 1922-4-29 3503 San Mateo Montara Mt., above Lake Pilarcitos Comment
  UC1129343  Lupinus arboreus A. E. Wieslander 1928-9-26 34 San Mateo 2 mi s San Gregorio (Plot #13); Santa Cruz Quad., s of San Gregorio 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
  RSA6289  Lupinus arboreus var. arboreus D. D. Keck 1932-5-11 1767 San Mateo Two miles north of San Gregorio. 15 Comment
  RSA91250  Lupinus arboreus var. arboreus Alice Eastwood, John T. Howell 1938-6-26 6077 San Mateo Crystal Springs Lake. Comment
  JROH2117  Lupinus bicolor John Hunter Thomas 1982-5-18 20943 San Mateo Jasper Ridge Biological Preserve, Stanford University; old road now partly plowed up, near main gate Comment
  UC155172  Lupinus bicolor A. A. Heller 1911-4-12 10250 San Mateo near Stanford University; near Stanford University Comment
  UC73188  Lupinus bicolor Harley P. Chandler 1901-3-14 794 San Mateo Colma Comment
  SEINET12154472  Lupinus bicolor Unknown 1932-1 9116 San Mateo Half Moon Bay Comment
  UC1057458  Lupinus bicolor G. Thomas Robbins 1937-4-11 103 San Mateo along roadside near Redwood City; near Redwood City Comment
  RSA18505  Lupinus bicolor subsp. pipersmithii Carl B. Wolf 1927-7-14 615 San Mateo Summit of Kings Mountain Rd. Comment
  SEINET10903830  Lupinus bicolor var. umbellatus Walter Knight, Irja Knight 1964-4-13 Knight 709 San Mateo Power line ridge in grassland. Comment
  SEINET246721  Lupinus formosus Russell J. Molyneux 2003-7-2 San Mateo Smip Ranch, vicinity of 'Black Pearl' sculpture 398 Comment
  CAS-BOT-BC8331  Lupinus latifolius subsp. dudleyi W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Peninsula, Montara Mts., ear top of South grade Comment
  RSA134073  Lupinus latifolius subsp. latifolius W. R. Dudley 1894-7-9 s.n. San Mateo Summit of Bear Gulch Road. Comment
  UC75238  Lupinus latifolius var. latifolius C. F. Baker 470 San Mateo Crystal Springs Lake; ; Crystal Springs Lake, San Mateo Co. Comment
  UC311393  Lupinus microcarpus var. densiflorus A. D. E. Elmer May, 1903 4847 San Mateo Lake San Andreas Comment
  UC865131  Lupinus microcarpus var. densiflorus Lewis S. Rose 1939-5-13 39112 San Mateo w Burlingame 60 Comment
  UCD108701  Lupinus microcarpus var. densiflorus A. A. Heller 1907-5-23 8561 San Mateo Back of San Mateo on the Half Moon Bay road. Comment
  JROH2127  Lupinus nanus John H. Thomas 1967-4-28 12723 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2143  Lupinus nanus Ann Lambrecht 2008-3-30 41 San Mateo Jasper Ridge Biological Preserve, Stanford University; on Mine Trail Hill Comment
  UCD23307  Lupinus polyphyllus Alan T. Whittemore 1976-5-29 114 San Mateo San Francisco Fish and Game Refuge. East side of Lower Crystal Springs Lake, on Sawyer's Camp Road. 94 Comment
  RSA212124  Lupinus succulentus L. S. Rose 1970-5-9 70039 San Mateo Chateau Drive near Skyline, Hillsborough. 91 Comment
  POM77615  Lupinus vallicola subsp. apricus C. P. Smith 1921-3-12 3227 San Mateo University Park Comment
  SD60197  Lupinus vallicola subsp. apricus J. I. McMurphy 1911-4-24 San Mateo Corner between San Francisquito & Los Francos Creek near Stanford University Comment
  SEINET10490275  Lupinus vallicola subsp. apricus P. Wheeler 1966-5-1 Wheeler UMO 104189 San Mateo Crocker field industrial park. San bruno mtn. Large colony of blue flowered Lupines with many white flowered plants mixed in. Comment
  POM276548  Lupinus variicolor Lyman D. Benson 1931-3-3 2619 San Mateo Moss Beach 30 Comment
  UC311903  Lupinus variicolor A. D. E. Elmer April, 1903 4915 San Mateo Lake San Andreas Comment
  UC82051  Lupinus variicolor Dr. E. B. Copeland 1903-6-3 3302 San Mateo Montara Point Comment
  UC82052  Lupinus variicolor Dr. E. B. Copeland 1903-6-3 3301 San Mateo Montara Point Comment
  UC865524  Lupinus variicolor Alice Eastwood and John Thomas Howell 1938-6-26 6052 San Mateo Montara Mt. , Montara Mt. (above Point San Pedro) Comment
  UC903067  Lupinus variicolor Ethel Crum 1934-4-29 1699 San Mateo 4 mi s Pescadero (open slope near ocean); s of Pescadero Comment
  SEINET10489104  Lupinus variicolor Smith 1947-4-25 Smith 47184 San Mateo Montara, rocky cut, 2.4 mi n. Petals mostly yellow. Comment
  SEINET10489105  Lupinus variicolor Elizabeth M. McClintock; Baki Kasapligil; Walter Knight; Irja Knight, Baki Kasapligil; Walter Knight; Irja Knight 1967-7-18 McClintock s.n. San Mateo San bruno mtn. In old quarry in colma canyon. Comment
  RSA15311  Luzula comosa Carl B. Wolf 1927-4-3 281 San Mateo 1 1/2 miles above east base of La Honda grade, Santa Cruz Mountains. Comment
  SJSU15904  Luzula comosa var. comosa John Rawlings, Sara Timby, Toni Corelli 2016-4-23 1729 San Mateo Bean Hollow bluff trail, west of Hwy 1 south of Pescadero 8 Comment
  CAS-BOT-BC441268  Luzula macrantha Ira L. Wiggins 1925-4-1 1684 San Mateo First bridge across small creek on Kings Mountain Road above Woodside Comment
  CAS-BOT-BC441269  Luzula macrantha Elmer I. Applegate 1895-3-9 753 San Mateo Near Woodside Comment
  CAS-BOT-BC441368  Luzula subsessilis John H. Thomas 1958-3-19 7060 San Mateo East facing slope of San Bruno Mountain, just N of South San Francisco 91 Comment
  CAS-BOT-BC441369  Luzula subsessilis John H. Thomas 1964-4-30 10369 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  CAS-BOT-BC441372  Luzula subsessilis George Oberlander 1950-4-16 639 San Mateo San Andreas Lake Comment
  JROH5961  Lythrum hyssopifolia John Rawlings 2017-5-9 2053 San Mateo Jasper Ridge Biological Preserve, Stanford University; drainage ditch along road south of visitor oarking lot near trail up slope to Global Change site. 115 Comment
  SD49787  Madia capitata J. H. Thomas 1959-8-16 8064 San Mateo 2.0 miles soputhwest of Pescadero. 60 Comment
  CAS-BOT-BC343914  Madia elegans A. D. E. Elmer 1903-5-1 4662 San Mateo Alpine School House Comment
  CAS-BOT-BC343913  Madia elegans David D. Keck 1932-6-18 1979 San Mateo Skyline Blvd., at Langley Hill. (S.W. of Stanford University) 600 Comment
  HSC23936  Madia elegans Mary Katherine Wicksten 1971-7-22 185 San Mateo Huddart Park, by park entrance Comment
  CAS-BOT-BC344487  Madia exigua W. R. Dudley 1906-6-11 s.n. San Mateo Santa Cruz Mountain Peninsula. Field E. of Kings Mt. House Comment
  JEPS22903  Madia exigua John H. Thomas 1958-5-10 7141 San Mateo about 5 mi s Palo Alto; Jasper Ridge 152 Comment
  JROH1052  Madia exigua John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1065  Madia exigua John Hunter Thomas 1992-5-25 25349 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1111618  Madia exigua Lewis S. Rose 1956-5-28 56083 San Mateo w of Redwood City (hills); Emerald Lake 182 Comment
  JEPS14885  Madia gracilis V. F. Hesse 1956-6-21 1936 San Mateo n Saratoga summit 731 Comment
  JROH1077  Madia gracilis John Hunter Thomas 1980-5-8 19946 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1084  Madia gracilis John Hunter Thomas 1985-5-7 23642 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1088  Madia gracilis John Hunter Thomas 1987-5-15 24286 A San Mateo Jasper Ridge Biological Preserve, Stanford University; near picnic area Comment
  UC913111  Madia gracilis David D. Keck 1932-6-1 1787 San Mateo on La Honda Road above Woodside; east slope of the Santa Cruz Mtns. 305 Comment
  POM298347  Madia madioides D. D. Keck 1932-5-11 1497 San Mateo Above Woodside on La Honda road, east slope of Santa Cruz Mountains 229 Comment
  SEINET8734423 Image available Madia madioides L. S. Rose 1941-1 41287 San Mateo Kings Mountain, 540 Comment
  CAS-BOT-BC345125  Madia sativa Walter Knight; Irja Knight; Elizabeth McClintock 1963-9-2 s.n. San Mateo San Bruno Mountain. Radio Road Comment
  HSC24008  Madia sativa Mary Katherine Wicksten 1971-6-15 21 San Mateo Huddart Park near horse ring Comment
  JROH1101  Madia sativa John H. Thomas 1971-8-7 16020 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC510723  Maianthemum dilatatum John H. Thomas 1961-5-7 9288 San Mateo San Bruno Mountain in northern part of county 396 Comment
  RSA175256  Maianthemum dilatatum Robert F. Thorne, Percy C. Everett 1963-6-9 32216 San Mateo On Kamchatka Point near TV tower on San Bruno Mountain. 335 Comment
  CHSC27854  Maianthemum racemosum Susan Perkins 1978-3-24 13 San Mateo Stage Road, 4 mi s of San Gregorio, 2.5 mi n of Pescadero, ca. 8 mi sw of La Honda. 60 Comment
  CHSC13506  Maianthemum stellatum S. Villard 1974-4-28 7 San Mateo Found on King's Mt. Rd., ca. 1.5 mi w of Mounted Patrol Grounds, Woodside. 182 Comment
  JROH4707  Maianthemum stellatum John H. Thomas 1977-4-21 18537 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM169289  Maianthemum stellatum C. F. Baker 1903-4-8 1915 San Mateo San Andreas Lake Comment
  SBBG45016  Maianthemum stellatum L. S. Rose 1933-4-9 33070 San Mateo Belmont Comment
  CAS-BOT-BC514163  Maianthemum stellatum D. D. Davis 1903-3-1 s. n. San Mateo Unspecified Comment
  CAS-BOT-BC514164  Maianthemum stellatum Elmer I. Applegate 1895-4-6 709 b San Mateo Hillside above Stanford University Comment
  RSA3086  Malacothamnus arcuatus Carl B. Wolf 1931-8-20 2328 San Mateo Los Trancos Creek, 2 miles back of Stanford University, near Schenkel s Camp. 91 Comment
  JROH2959  Malacothamnus fasciculatus John H. Thomas 1969-5-28 15085 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC344961  Malus pumila Peter Rubtzoff 1975-10-24 8432 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. Comment
  CAS-BOT-BC206683  Malva assurgentiflora John H. Thomas 1967-5-2 12734 San Mateo Colma, near Hillside Blvd. at Cypress Lawn Cemetery Comment
  CAS-BOT-BC206684  Malva assurgentiflora Ira L. Wiggins 1975-5-26 22161 San Mateo Upper slope of bank of San Francisquito Creek, ca 150 m upstream from Chaucer/Pope Street Bridge, Menlo Park Comment
  UCR121494  Malva nicaeensis George K. Helmkamp, E. A. Helmkamp 1999-6-28 4959 San Mateo Coast Range; Santa Cruz Mtns, Sky Londa; junction of Calif. Hwy 84 and Calif. Hwy 35, 5 mi south of central Redwood City 457 Comment
  RSA176523  Marah fabacea John H. Thomas 1961-4-29 1995 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles SW of Palo Alto. Comment
  RSA176525  Marrubium vulgare John H. Thomas 1962-7-15 9919 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  SEINET3816869  Matricaria discoidea Cynthia Taylor 1971-6-8 151 San Mateo Corner of watkins avenue and railroad tracks, Atherton 17 Comment
  JROH616  Matricaria discoidea John H. Thomas 1967-5-12 12886 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC674717  Meconella californica Gregory Lyon 1934-3-17 41 San Mateo .75 mi e Skyline Blvd (Buri-Buri Ridge); Caroland's Tract 121 Comment
  JROH2151  Medicago arabica John H. Thomas 1955-5-6 5010 San Mateo Jasper Ridge Biological Preserve, Stanford University 182 Comment
  CAS-BOT-BC269476  Melica californica W. R. Dudley 1906-5-13 s.n. San Mateo Santa Cruz Mountain Peninsula. Near San Mateo Comment
  CDA9441  Melica californica D. G. Kelch 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  UCD87172  Melica californica Ogden C. Riddle 1941-4-6 74 San Mateo Near Half Moon Bay, Finney Ridge. 243 Comment
  JROH5302  Melica imperfecta John Hunter Thomas 1978-4-8 19059 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5308  Melica imperfecta John Hunter Thomas 1985-4-22 23551 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below Rattlesnake Rocks Comment
  RSA135746  Melica imperfecta W. R. Dudley 1900-3-17 s.n. San Mateo South slope of Montara Mt. Comment
  CAS-BOT-BC264243  Melica torreyana Elizabeth McClintock 1965-3-14 s.n. San Mateo Power Line Ridge, San Bruno Mountain 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-BC264250  Melica torreyana W. R. Dudley 1894-8-13 s.n. San Mateo Devil's Canyon, Santa Cruz Mountain Peninsula Comment
  JEPS27365  Melica torreyana Rimo Bacigalupi with Jim Roof and L. Heckard 1961-4-24 7625 San Mateo on Guadalupe Valley side San Bruno Mountain summit (just e of KRON Television tower and station, lateral ridge below and se of paved ridge-top road); San Bruno Mountain 304 Comment
  JROH2179  Melilotus albus John H. Thomas 1976-10-16 18401 San Mateo Jasper Ridge Biological Preserve, Stanford University; in Searsville Lake at the mouth of Corte de Madera Creek Comment
  JROH2196  Melilotus indicus John Hunter Thomas 1987-5-5 24243 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC24045  Melilotus indicus Mary Katherine Wicksten 1971-6-15 12 San Mateo Huddart Park Rd. bank near office Comment
  JROH2195  Melilotus indicus John Hunter Thomas 1983-5-23 22240 A San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack side & low-flow crossing Comment
  JROH2799  Melissa officinalis John Hunter Thomas 1981-9-24 20743 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM284511  Melissa officinalis Lyman Benson 1937-8-15 8489 San Mateo Upper San Francisquito Creek, Santa Cruz Mountains. 244 Comment
  CAS-BOT-BC290608  Mentha Peter Rubtzoff; Walter Knight; Irja Knight 1987-10-16 9866 San Mateo San Bruno Mountain. Saddle area on north side of Guadelupe Canyon Parkway west of Radio Road junction; NW part of the area along old Guadalupe Road. Comment
  JROH2828  Mentha X piperita John H. Thomas 1968-10-29 14856 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2812  Mentha pulegium John Hunter Thomas 1979-9-9 19725 San Mateo Jasper Ridge Biological Preserve, Stanford University; edge of Searsville Lake Comment
  RSA132455  Mentha pulegium John H. Thomas 1959-8-22 8079 San Mateo Jasper Ridge, about 5 miles SW of Palo Alto 152 Comment
  RSA177005  Mentha pulegium John H. Thomas 1964-11-29 10533 San Mateo Jasper Ridge Biological Experimantal Area, about 5 miles SW of Palo Alto; W end of Searsville Dam Comment
  JROH2818  Mentha pulegium John Hunter Thomas 1981-7-12 20702 San Mateo Jasper Ridge Biological Preserve, Stanford University; on old beach Comment
  SJSU43  Mentha pulegium C. D. Duncan 1925-10-11 San Mateo Mud Lakes, summit of Coal Mine Ridge (above Corte Madera Cr) Santa Cruz Mts. Comment
  CDA4873  Mercurialis annua T. C. Fuller 1960-6-23 4542 San Mateo East fence line, Sanchez Adobe House, south side Linda Mar Boulevard, Pedro Valley. 0 Comment
  POM177458  Mercurialis annua L. R. Abrams, I. L. Wiggins 1930-11-13 179 San Mateo 3 miles S of Rockaway Beach (Pedro Valley) 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
  CAS-BOT-BC438142  Mesembryanthemum nodiflorum Malcom A. Nobs 1948-12-20 721 San Mateo Redwood City yacht harbor Comment
  CAS-BOT-BC428899  Micranthes californica Ira L. Wiggins 1929-3-23 3369 San Mateo Road to Mud Lake, near Stanford University. Comment
  CAS-BOT-BC428901  Micranthes californica Margaret A. Barry 1938-3-13 233 San Mateo On Coal Mine Ridge Comment
  JROH3905  Micranthes californica D. D. Davis 1903-3-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1119  Micropus californicus var. californicus John H. Thomas 1958-5-10 7152 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1129  Micropus californicus var. californicus John Hunter Thomas 1982-4-28 20872 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5948  Micropus californicus var. californicus John Rawlings 2016-4-20 1726 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 11 at lower Trail 9 118 Comment
  JROH1133  Micropus californicus var. californicus John Hunter Thomas 1988-5-3 24437 San Mateo Jasper Ridge Biological Preserve, Stanford University; picnic area Comment
  UCD69081  Microseris douglasii P. Rodriguez-Rojo 1997-5-31 San Mateo Edgewood County Park. Serpentine annual grasslands. UTM: 10EM6347 200 Comment
  CAS-BOT-BC349017  Microseris douglasii subsp. douglasii James McMurphy 1906-5-8 s.n. San Mateo Head of Crystal Springs Lakes Comment
  JROH1136  Microseris douglasii subsp. douglasii John H. Thomas 1955-5-6 4993 San Mateo Jasper Ridge Biological Preserve, Stanford University; open serpentine area on top of ridge and adjacent grassy slopes Comment
  CAS-BOT-BC349023  Microseris douglasii subsp. douglasii K. L. Chambers 1953-5-12 463 San Mateo 3.2 mi. n. of Woodside on road to Crystal Springs Lake (Crystal Springs Lake road). [Locality info from collection label and voucher label combined.] Comment
  CAS-BOT-BC349024  Microseris douglasii subsp. douglasii K. L. Chambers 1952-5-11 404 San Mateo 3.2 mi. s. of junction of Canada Road (from Woodside to Crystal Springs Lake), with Ralston Avenue (Belmont Road) Comment
  CAS-BOT-BC349038  Microseris douglasii subsp. douglasii Elizabeth McClintock 1978-4-24 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  CAS-BOT-BC349039  Microseris douglasii subsp. douglasii Elizabeth McClintock 1978-4-24 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  CAS-BOT-BC349149  Microseris douglasii subsp. tenella Lewis S. Rose 1933-4-30 33129 San Mateo Redwood City Comment
  UC50013  Microseris douglasii subsp. tenella E. L. Greene 1886-5-9 San Mateo Belmont Comment
  CAS-BOT-BC349189  Microseris elegans R. E. Frenkel 1964-5-22 504 San Mateo SFWD, 0.3 mile north of Sawyer Ridge Road, on Portola Ridge Road 268 Comment
  CAS-BOT-BC7487  Microseris leucocarpha Charles Fuller Baker 1902-5-4 808 San Mateo Woodside Comment
  CAS-BOT-BC322718  Microseris paludosa Miss Patterson; Miss Wiltz 1907-6-1 297 San Mateo Pacific Grove, Monterey Peninsula Comment
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Jul 22 2020
  JROH3218  Microsteris gracilis John H. Thomas 1968-3-17 14180 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET12269790  Mimulus aurantiacus Unknown 1932-1 9023 San Mateo Jasper Ridge 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
  JROH4070  Mimulus aurantiacus var. aurantiacus W. R. Dudley 1895-6-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; top of Ridge near Searsville Dam Comment
  RSA218021  Mimulus aurantiacus var. aurantiacus Phillip Wheeler 1967-5-14 s.n. San Mateo East side of mountain, above Harold Ave., Brisbane. Grassy slope above Philip Wheeler's house. Comment
  RSA420293  Mimulus aurantiacus var. aurantiacus Paul C. Silva 1948-1-31 2628 San Mateo Old La Honda Grade, 1 mile south of Skyline Blvd. 457 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
  UCSB11439  Mimulus aurantiacus var. aurantiacus Olson, Jim 1962-4-17 San Mateo 1 mile east of Halfmoon Bay on road to San Mateo 18 Comment
  JROH4083  Mimulus douglasii Herbert Dengler 1971-3-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC162414  Mimulus grandis A. A. Heller 1906-6-8 8376 San Mateo near Ocean View; San Francisco Comment
  JEPS85195  Mimulus guttatus Roy E. Buck, Randall A. Morgan 1984-6-17 506 San Mateo ca. 6 km sw Redwood City (in triangle of Edgewood Rd., Canada Rd., and Interstate 280, s of Edgewood Park trail underpass); San Francisco Watershed Reserve 158 Comment
  JROH4091  Mimulus guttatus John Hunter Thomas 1977-6-16 18813 San Mateo Jasper Ridge Biological Preserve, Stanford University; delta in Searsville Lake Comment
  JROH4086  Mimulus guttatus Duncan M. Porter 1961-4-8 750 San Mateo Jasper Ridge Biological Preserve, Stanford University; below large meadow on crest of ridge Comment
  SEINET5561542  Mimulus guttatus H. S. Gentry 1931-1 93 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  CAS-BOT-BC174578  Minuartia californica Alice Eastwood 1914-3-12 s.n. San Mateo San Bruno Hills Comment
  CAS-BOT-BC388836  Minuartia douglasii H. A. Dutton 1900-3-11 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  JROH1700  Minuartia douglasii John H. Thomas 1971-4-10 15752 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC388832  Minuartia douglasii Ned Cahill 1974-5-9 169 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JEPS27350  Moehringia macrophylla Rimo Bacigalupi with L. R. Heckard and Jim Roof 1961-4-24 7611 San Mateo just below rocky spur due n of true summit San Bruno Mountain (directly below and ne of KQED radio power station); due n of true summit of San Bruno Mountain 342 Comment
  CAS-BOT-BC214090  Monardella villosa Alice Eastwood; John Thomas Howell 1939-6-30 7436 San Mateo Los Trancos Creek near Stanford University Comment
  CAS-BOT-BC220662  Monardella villosa Margaret A. Barry 1937-7-17 210 San Mateo On Coal Mine Ridge Comment
  RSA681660  Monardella villosa subsp. obispoensis Deb Annuschka 1989-7-14 295 San Mateo Yerba Buena Nursery parking lot berm. Comment
  JEPS127870  Monardella villosa subsp. villosa Adam C. Schneider 2013-5-17 154 San Mateo Crystal Springs Reservoir Comment
  JROH2840  Monardella villosa subsp. villosa John H. Thomas 1973-6-10 16822 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA101034  Montia fontana G. Oberlander 1950-4-16 632 San Mateo Along stream below San Andreas dam, San Francisco Watershed Reserve Comment
  POM169572  Muilla maritima C. F. Baker 1902-3-30 423 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC515667  Muscari botryoides J. H. Thomas 1960-3-30 8560 San Mateo San Francisco Creek near El Camino, Menlo Park. Comment
  CAS-BOT-BC243706  Myoporum laetum Elizabeth McClintock; Paul Reeberg 1988-8-12 s.n. San Mateo Above Hillside School, San Bruno Mountains Comment
  RSA152078  Myosotis latifolia John H. Thomas 1962-5-12 9332 San Mateo San Bruno Mountain. 244 Comment
  CAS-BOT-BC101771  Myrica californica John H. Thomas 1976-10-7 18394 San Mateo Along coast highway #1, 0.6 miles north of northern most road to Pigeon Pt. Lighthouse. About 4.2 miles almost due south 30 Comment
  JROH2695  Myriophyllum aquaticum John Hunter Thomas 1983-5-31 22318 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC13478  Myriophyllum sibiricum C. B. Wolf 1927-6-15 2173 San Mateo Along Skyline Blvd., 6-8 mi. S of San Francisco Comment
  CDA5316  Myriophyllum spicatum subsp. spicatum G. D. Barbe, Tom Palmer, M. Keffer, J. Reppas 1978-11-8 2468 San Mateo Cove west of dam, south end of San Andreas Lake. 0 Comment
  UCSB279  Najas guadalupensis McPherson, D. 1960-08 San Mateo Felt Lake; Stanford University foothills Comment
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1
  CAS-BOT-BC260023  Nassella lepida John Thomas Howell 1952-5-28 28316 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC260024  Nassella lepida Phillip C. Wheeler 1965-5-18 s.n. San Mateo San Bruno Mountain. Near base of mountain near Olivet Cemetary Comment
  CAS-BOT-BC260232  Nassella pulchra Lewis S. Rose 1956-5-7 56071 San Mateo Skyline Boulevard W of San Mateo 182 Comment
  CAS-BOT-BC260236  Nassella pulchra John H. Thomas 1971-5-2 15869 F San Mateo Near intersection of Canada Road and Edgewater Road, about 3 miles W from Redwood City 152 Comment
  RSA187301  Nassella pulchra John H. Thomas 1964-4-12 10311 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  UCD87483  Nassella pulchra Beecher Crampton 1962-6-11 6502 San Mateo Sharp park suburb of pacifica, Moris' Point Road, west of State Highway 1. Comment
  JROH1575  Nasturtium officinale Carol Zabel 1989-8-11 28 San Mateo Jasper Ridge Biological Preserve, Stanford University; San Francisquito Creek bank near low-flow crossing at Road C Comment
  SEINET3696485 Image available Navarretia heterodoxa Lewis S. Rose 1934-5-27 34280 San Mateo Emerald Lake. Comment
  JROH3197  Navarretia heterodoxa W. R. Dudley 1895-6-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Point of Rocks near Searsville Lake Comment
  JROH3212  Navarretia squarrosa John Hunter Thomas 1977-6-16 18778 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH3214  Navarretia squarrosa John Hunter Thomas 1977-6-16 18760 San Mateo Jasper Ridge Biological Preserve, Stanford University. Weedy area near old racing oval. Comment
  JROH2750  Nemophila John Hunter Thomas 1982-4-30 20881 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5546  Nemophila menziesii var. menziesii John Rawlings 2013-4-13 1195 San Mateo Jasper Ridge Biological Preserve, Stanford University; southeast side of creek and about 75 meters upstream of bridge on Trail 11 136 Comment
  POM289745  Nemophila menziesii var. menziesii Lyman Benson 1930-5-1 2067 San Mateo Stanford University. San Lorenzo Mt. Range. 91 Comment
  RSA120713  Nemophila parviflora S. S. Tillett, I Sternberg 1956-6-24 535 San Mateo Middleton property, behind (N.) Portola Camp Store, just outside Portola State Park. 396 Comment
  SEINET3840801  Nemophila parviflora Unknown 2005-6-21 5 .368 San Mateo Northeast corner of Pilarcitos Lake, SF Water District land 250 Comment
  CAS-BOT-BC219477  Nemophila parviflora Josephine D. Randall 1908-2-16 s.n. San Mateo Santa Cruz Peninsula. Corte de Madre Canon [Canyon] near Alpine Road Comment
  RSA15282  Nemophila parviflora var. parviflora Carl B. Wolf 1927-4-3 249 San Mateo 1 mile above La Honda. Santa Cruz Mountains. Comment
  JROH4170  Nicotiana acuminata var. multiflora John Rawlings, Ann Lambrecht 2007-11-7 0911 San Mateo Jasper Ridge Biological Preserve, Stanford University. 115 Comment
  CAS-BOT-BC140426  Oemleria cerasiformis W. R. Dudley 1900-3-18 s.n. San Mateo Below San Andreas Dam Comment
  CAS-BOT-BC140431  Oemleria cerasiformis David D. Keck 1932-3-6 1396 San Mateo Near La Honda, Santa Cruz Mountains Comment
  CAS-BOT-BC140440  Oemleria cerasiformis E. G. Dudley 1904-3-3 43 San Mateo Portola Valley, Santa Cruz Mts. Comment
  CAS-BOT-BC140447  Oemleria cerasiformis Elizabeth McClintock 1965-3-28 s.n. San Mateo Devil's Arroyo Comment
  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
  UC12459  Oemleria cerasiformis J. Burtt Davy 1893-6-22 San Mateo Pilarcitos Creek Comment
  UC311169  Oemleria cerasiformis A. D. E. Elmer Mar 1903 4579 San Mateo Woodside Comment
  UC860384  Oemleria cerasiformis S. B. Show 1907-2-18 8 San Mateo San Francisquito Creek 213 Comment
  POM259822  Oenothera elata subsp. hookeri L. R. Abrams, Ira L. Wiggins 1939-6-3 438 San Mateo 2 miles north of Pigeon Point Lighthouse Comment
  RSA18444  Oenothera elata subsp. hookeri Carl B. Wolf 1927-6-29 564 San Mateo 3 miles south of San Gregorio. Comment
  JROH2989  Olea europaea John H. Thomas 1967-6-1 12981 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2990  Olea europaea John H. Thomas 1967-6-1 12981 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET200711  Orobanche californica subsp. californica L. M. Newlon 1919-9-7 68 San Mateo Pillar Point northern end of Half Moon Bay Comment
  CAS-BOT-BC500318  Orobanche uniflora subsp. occidentalis W. R. Dudley 1894-4-21 s.n. San Mateo Santa Cruz Peninsula: Rocks above San Mateo Creek Comment
  CAS-BOT-BC502963  Orobanche vallicola Burleigh H. Murray 1929-7-20 s.n. San Mateo Beresford, near San Mateo Comment
  CAS-BOT-BC502964  Orobanche vallicola Frank Tose 1927-10-1 s.n. San Mateo On the road to San Mateo Comment
  POM49738  Orthocarpus densiflorus L. R. Abrams 1902-5-11 2455 San Mateo Crystal Lake. Comment
  RSA402011B  Orthocarpus erianthus Glenn A. Gorelick 1967-4-15 s.n. San Mateo San Bruno Mts. overlooking Daly City near San Francisco. Comment
  RSA152408  Orthocarpus faucibarbatus var. albidus R. C. Bacigalupi, G. Thomas Robbins 1954-6-18 4562 San Mateo Immediately behind Point Ano Nuevo. Comment
  POM49732  Orthocarpus floribundus L. R. Abrams 1902-4-13 2321 San Mateo San Andreas Lake. Comment
  SEINET3159752  Orthocarpus floribundus K. C. sn San Mateo Millbrae Comment
  RSA6294  Orthocarpus lithospermoides D. D. Keck 1932-5-6 1493 San Mateo East side of Crystal Springs Lake. 61 Comment
  RSA120752  Oxalis oregana S. S. Tillett, I. Sternback 1956-6-24 524 San Mateo Middleton property, behind (N.) Portola Camp Store, just outside Portola State Park. 396 Comment
  UC311197  Oxalis oregana A. D. E. Elmer March, 1903 4532 San Mateo Portola Comment
  POM202649  Oxalis oregana Alice Eastwood 1933-5-31 s.n. San Mateo Butano Canyon. Comment
  POM278936  Oxalis oregana Lyman Benson 1931-2-27 2616 San Mateo Woodside, Santa Cruz mountains, San Francisquito Creek watershed, Kings Mt Road 183 Comment
  POM353455  Oxalis oregana J. Doty 1969-3-26 602 San Mateo State Highway 34, 6 miles north of its junction with State Highway 38. Comment
  UCD88635  Parapholis incurva Beecher Crampton 1962-6-11 6512 San Mateo Rockaway Beach, a suburb of Pacifica. Comment
  UCR113570  Parietaria judaica Mitch Provance 1999-1-18 1745 San Mateo Daly City, west side of Mission St, c. 0.25 miles south of the San Mateo/ San Francisco County line 122 Comment
  CAS-BOT-BC265663  Paspalum distichum Ira L. Wiggins 1980-8-29 22260 San Mateo San Francisquito Creek, 200 m upstream from Pope Street bridge, Menlo Park Comment
  JROH5343  Paspalum distichum W. R. Dudley 1903-1-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Upper end of Searsville Lake. Comment
  JROH5345  Paspalum distichum John H. Thomas 1964-11-5 10521 San Mateo Jasper Ridge Biological Preserve, Stanford University. East end of Searsville Dam Comment
  JROH5551  Pectocarya pusilla John Rawlings 2013-4-16 1126 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 2 extension about 120 meters northwest from trail marker, east side of trail 136 Comment
  JEPS40981  Pedicularis densiflora Lewis S. Rose 1964-3-23 64013 San Mateo w of Redwood City; Emerald Lake 121 Comment
  RSA169354  Pedicularis densiflora L. S. Rose 1964-3-23 64013 San Mateo Emerald Lake, W of Redwood City. 122 Comment
  UCR136713  Pedicularis densiflora L. S. Rose 1948-3-31 48031 San Mateo San Francisco Bay Region, Millbrae Highlands 91 Comment
  RSA401968B  Pedicularis densiflora A. C. Life 1924-2-22 14599 San Mateo Kings Mt. Redwood Park. Huckleberry trail. Comment
  SEINET12270441  Pedicularis densiflora Unknown 1930-1 7320 San Mateo Jasper Ridge Comment
  CAS-BOT-BC266667  Pedicularis dudleyi Rimo Bacigalupi 1923-1-1 s.n. San Mateo Peters Creek near Pescadero Creek Comment
  JEPS82090 Image available Pedicularis dudleyi Rimo Bacigalupi with J. H. Thomas and L. Heckard 1961-5-23 7712 San Mateo 1/3 mi n of its confulence with Pescadero Creek (e side of Peters Creek); Peters Creek 134 Comment
  UC306599 Image available Pedicularis dudleyi A. D. E. Elmer June, 1903 4289 San Mateo Iverson's Place Pescadero Creek; Iverson's Place, Pescadero Creek, San Mateo Co. Comment
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Feb 28 2011
  CAS-BOT-BC207024  Pelargonium vitifolium John Thomas Howell 1932-12-21 10864 San Mateo Along road just south of Pescadero. 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
  JROH98  Pellaea andromedifolia John H. Thomas 1974-6-30 17465 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH99  Pellaea andromedifolia John H. Thomas 1974-11-5 17662 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail below dam. Comment
  JROH1163  Pentachaeta alsinoides John Hunter Thomas 1989-5-9 24713 San Mateo Jasper Ridge Biological Preserve, Stanford University. [Along Rd. F] 166 Comment
  CAS-BOT-BC330497  Pentachaeta bellidiflora Ned Cahill 1974-4-19 154 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City. Comment
  CAS-BOT-BC77003  Pentagramma triangularis subsp. triangularis John H. Thomas 1958-3-19 7068 San Mateo East facing lsope of San Bruno Mountain, just north of South San Fancisco. 91 Comment
  JROH315  Perideridia kelloggii John Hunter Thomas 1991-8-4 25077 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC413611  Persicaria amphibia Roxana S. Ferris 1920-9-3 2048 San Mateo Santa Cruz Mountain Peninsula. 2nd Mud Lake, Coal Mine Ridge Comment
  CAS-BOT-BC418849  Persicaria hydropiperoides Roxana S. Ferris 1920-9-3 2047 San Mateo Santa Cruz Mountain Peninsula. 2nd Mud Lake, Coal Mine Ridge Comment
  JROH1165  Petasites frigidus var. palmatus Paul Heiple 2007-3-5 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; NW of Leonard's Bridge along Trail 13 Comment
  UC1206459  Petasites frigidus var. palmatus Roxana S. Ferris 1918-3-30 750 San Mateo 1 mi above Evans Creek; Peters Creek Comment
  RSA15277  Petasites palmatus C. B. Wolf 1927-4-3 243 San Mateo 1 mile above La Honda. Santa Cruz Mountains Comment
  UC1047010  Phacelia californica L. R. Heckard 1953-4-15 339 San Mateo high bluffs above ocean; Pedro Point Comment
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Jun 6 2008
  UC1084386  Phacelia californica G. Thomas Robbins 1937-4-11 92 San Mateo in field along road to Woodside above San Mateo Comment
  UC75121  Phacelia divaricata C. F. Baker 1902-3-30 432 San Mateo stony banks and roadsides Crystal Springs Lake Comment
  CDA929  Phacelia malvifolia D. G. Kelch, B. G. Baldwin, Sue Bainbridge, Abigail Moore 2005-6-21 5 .367 San Mateo S.F. Water District land, near Spring Valley. NE corner Pilarcitos Lake. Comment
  SEINET3840788  Phacelia malvifolia Unknown 2005-6-21 5 .367 San Mateo Northeast corner of Pilarcitos Lake, SF Water District land 250 Comment
  CAS-BOT-BC258999  Phalaris californica Elizabeth McClintock; David Schooly; Kim Marcus 1975-4-13 s.n. San Mateo San Bruno Mountain. Above Hillside Blvd., South San Francisco Comment
  JROH5381  Phalaris californica H. J. Dengler 1961-4-30 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. In seep about 25' NNE of the serpentine. 171 Comment
  UC650502  Phalaris californica Ira L. Wiggins 1928-4-22 2943 San Mateo Moss Beach Comment
  UCD88567  Phalaris californica P. B. Kennedy 1916-5-1 s.n. San Mateo Crocker Estate, Burlingame. Comment
  JROH2767  Pholistoma auritum var. auritum John H. Thomas 1971-4-25 15790 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4288  Phoradendron serotinum subsp. tomentosum John H. Thomas 1959-8-22 8080 San Mateo Jasper Ridge Biological Preserve, Stanford University 182 Comment
  CAS-BOT-BC452001  Phyllospadix scouleri Robert Setzer 1969-7-3 3311 San Mateo Montara Beach Comment
  CAS-BOT-BC251003  Phyllostachys bambusoides Elizabeth McClintock; Paul Reeberg 1989-3-14 s.n. San Mateo San Bruno Mountains. Near base of Old Quarry Road, Colma Canyon 121 Comment
  CAS-BOT-BC142180  Physocarpus capitatus Margaret A. Barry 1937-5-15 112 San Mateo Woods on Coal Mine Ridge Comment
  CAS-BOT-BC142187  Physocarpus capitatus James McMurphy 1902-5-11 s.n. San Mateo San Francisquito Creek Comment
  UC762978  Physocarpus capitatus R. F. Hoover 1941-4-23 4902 San Mateo San Mateo Creek below Crystal Springs Dam Comment
  UCD23296  Physocarpus capitatus Alan T. Whittemore 1976-5-29 116 San Mateo San Francisco Fish and Game Refuge. East side of Lower Crystal Springs Lake, on Sawyer's Camp Road, between L. San Andreas and Crystal Springs Lake. 100 Comment
  HSC23884  Pickeringia montana Mary Katherine Wicksten 1971-6-15 18 San Mateo Huddart Park near horse ring Comment
  SEINET11130514 Image available Pickeringia montana M. E. Springer 1946-9-1 739 San Mateo Road near Skyline Blvd. Comment
  LA205150  Pickeringia montana subsp. montana U. S. Grant; 1926-9-6 sn San Mateo Kings Mountain 609 Comment
  JROH2203  Pickeringia montana var. montana John H. Thomas 1976-5-26 18147 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Shack Comment
  IRVC7620  Pinus patula P. W. Rundel 1964-8-8 1441 San Mateo Menlo Park; North Lemon Avenue 18 Comment
  JEPS48202  Pinus radiata W. L. Jepson 1910-8-18 4166 San Mateo Ano Nuevo Creek Comment
  CAS-BOT-BC137311  Piperia elegans James McMurphy 1906-8-24 s.n. San Mateo Field redacted by CAS, contact the data manager for more information Comment
  JROH2205  Pisum sativum John H. Thomas 1967-4-28 12724 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1063805  Plagiobothrys chorisianus H. S. Yates 1935-5-8 5216 San Mateo 2 mi s Pescadero; Santa Cruz Quad. 60 Comment
  POM190562  Plagiobothrys chorisianus D. D. Keck 1932-4-18 1435 San Mateo Burlingame, on the shore of San Francisco Bay. 2 Comment
  RSA589903  Plagiobothrys chorisianus W. R. Dudley 1894-4-21 s.n. San Mateo Near Cyrstal Springs Reservoir Comment
  SDSU5438  Plagiobothrys chorisianus D. F. Howe 1969-6-6 4640 San Mateo 18.5 miles north of San Mateo - Santa Cruz Co. line on the # 1. Comment
  CAS-BOT-BC228168  Plagiobothrys chorisianus var. chorisianus John H. Thomas 1961-5-7 9258 San Mateo San Bruno Mountain in N part of county 396 Comment
  SJSU16034  Plagiobothrys chorisianus var. chorisianus Toni Corelli, John Rawlings 2016-4-29 1770 San Mateo Cascade Field along Atkinson Bluff Trail, north of Cascade Cr. Trail, in Ano Nuevo State Park 11 Comment
  SD73208  Plagiobothrys chorisianus var. chorisianus Darley F. Howe 1969-6-10 4640 San Mateo 18.5 miles north of San Mateo Santa Cruz County line. Comment
  CAS-BOT-BC228172  Plagiobothrys chorisianus var. hickmanii Anne Constant 1955-5-28 192 San Mateo At Pescadero Beach 7 Comment
  CHSC57023  Plantago coronopus Steven Triano 1988-5-24 194 San Mateo Located ca. 750 ft s of Hwy. 1 and 2.9 mi s of Pigeon Point Light Station. 24 Comment
  JROH3113  Plantago erecta John H. Thomas 1975-4-19 17796 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3115  Plantago erecta John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3116  Plantago erecta John Hunter Thomas 1980-5-6 19929 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3123  Plantago erecta John Hunter Thomas 1986-5-1 23994 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3126  Plantago erecta John Hunter Thomas 1992-4-29 25172 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU654  Plantago erecta A. W. Jacobs 1941-4-20 San Mateo Jasper Ridge above Searsville L Comment
  HSC23935  Plantago erecta Mary Katherine Wicksten 1971-8-25 214 San Mateo Huddart Park Comment
  OBI11658  Plantago erecta Lewis S. Rose 1965-5-3 65056 San Mateo San Bruno Mtn, North end 183 Comment
  POM283961  Plantago erecta Lyman Benson 1931-3-10 2650 San Mateo Redwood City. Santa Cruz mtn range, Emerald Lake. 152 Comment
  CAS-BOT-BC92012  Platystemon californicus A. D. E. Elmer 1903-6-1 4853 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC92020  Platystemon californicus Lewis S. Rose 1933-5-17 33170 San Mateo Redwood City. Comment
  SEINET7097923  Platystemon californicus A. G. Vestal 1937-6-15 s.n. San Mateo Lat. 37 14' 13ao N, Long. 122 24' 55ao W (NAD27 converted to WGS84 decimal degrees). Pebble Beach west of Pescadero. UTM Zone 10, 551863 mN, 4121109 mN. Comment
  CAS-BOT-BC92009  Platystemon californicus W. R. Dudley 1896-4-19 s.n. San Mateo Santa Cruz Peninsula. Above Alpine School. Black Mountain. Comment
  SEINET12102792  Platystemon californicus L. S. Rose 1938-1 37230 San Mateo Emerald Lake, W of Redwood City 107 Comment
  UC890314  Plectritis brachystemon Alice Eastwood 1912-6-10 326 San Mateo Crystal Springs Comment
  SEINET14400463  Plectritis congesta Unknown 1938-5-4 718 San Mateo San Mateo County Comment
  SEINET10931001 Image available Plectritis congesta subsp. nitida A. Arthur Heller 1907-5-28 Heller 8578 San Mateo Above Crystal Springs on the Half Moon Bay road. Comment
  JROH4252  Plectritis macrocera John H. Thomas 1977-4-29 18572 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM284984  Pleuropogon californicus var. californicus Lyman Benson 1930-4-26 2060 San Mateo Stanford University. 122 Comment
  RSA135747  Pleuropogon californicus var. californicus James I. McMurphy 1906-5-8 s.n. San Mateo Road near head of Crystal Springs Lakes, by road from Woodside to Byrnes Store. Comment
  CAS-BOT-BC258902  Poa annua Peter Rubtzoff 1988-5-3 9914 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
  JROH5395  Poa annua John H. Thomas 1963-4-17 10036 B San Mateo Jasper Ridge Biological Preserve, Stanford University. Near the "riders shack" at the Searsville end of the ridge. Comment
  JROH5402  Poa annua John Hunter Thomas 1982-3-23 20812 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5404  Poa annua John Hunter Thomas 1982-4-28 20869 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD99466  Poa annua Ira L. Wiggins 1975-4-17 22142 San Mateo NE side of Southern Pacific right-of-way, between San Francisquito Creek and Willow Road, San Mateo, along path Comment
  UC650404  Poa annua Ira L. Wiggins 1928-4-22 2944 San Mateo Moss Beach Comment
  JROH5408  Poa howellii H. J. Dengler 1961-5-8 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; 20' above (S.W.) of San Francisquito Creek, and immediately above Tiger Lily site where there is a seep beneath a large laurel. 77 Comment
  RSA135727  Poa howellii W. R. Dudley 1900-3-17 s.n. San Mateo Ravine north of Seal Cove. Comment
  CAS-BOT-BC243118  Poa secunda subsp. secunda W. R. Dudley 1896-4-4 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Summit Springs, Kings Mountain Comment
  CAS-BOT-BC244252  Poa unilateralis Dr. E. B. Copeland 1903-6-17 3306 San Mateo Montara Point Comment
  SEINET5554721  Poaceae E. A. Bernays 1985-1 s.n. San Mateo Half Moon Bay. Comment
  RSA0022142  Pogogyne serpylloides John H. Thomas 1961-5-7 9270 San Mateo San Bruno Mountain in northern part of county. 305 Comment
  CAS-BOT-BC232897  Polemonium carneum A. D. E. Elmer 1903-7-1 4771 San Mateo Pilarcitos Stone Dam Comment
  UC107058  Polemonium carneum Mrs. Frances Howland 1901-3-30 San Mateo Lake Pelarcitos Comment
  CAS-BOT-BC413803  Polycarpon tetraphyllum Robert I. Gilbreath 1974-5-1 0062 San Mateo On hills near Hillsborough 152 Comment
  CAS-BOT-BC413945  Polygonum aviculare subsp. aviculare E. M. Zeile 1921-7-31 s.n. San Mateo Salada Comment
  RSA10408  Polygonum coccineum Carl B. Wolf 1927-6-15 2166 San Mateo Along Skyline Drive, 8 mi. S of San Francisco. Comment
  RSA14508  Polygonum convolvulus I. L. Wiggins 1935-8-24 8159 San Mateo Roadside 2 miles E of Half Moon Bay. Comment
  POM216540  Polygonum paronychia D. D. Keck 1931-10-5 1288 San Mateo 1 mile N of Salada Beach, 200 meters from ocean. Comment
  UC168662  Polygonum punctatum C. F. Baker 1903-10-20 1857 San Mateo Searsville Comment
  CAS-BOT-BC76907  Polypodium californicum W. R. Dudley 1899-11-30 s.n. San Mateo Santa Cruz Mountain Peninsula - Pescadero Creek, near Iverson's Comment
  SBBG32442  Polypodium californicum L. S. Rose 1964-2-6 64001 San Mateo King's Mtn 609 Comment
  UC474210  Polypodium californicum H. F. Copeland 1928-2-26 985 San Mateo on cliffs above ocean Montara Comment
  CAS-BOT-BC72062  Polypodium calirhiza Ira L. Wiggins 1939-11-5 s.n. San Mateo Corte Madera Creek about 1/2 mile below the Rolph Place Comment
  CAS-BOT-BC72109  Polypodium scouleri Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mt., Cable Ravine Comment
  CAS-BOT-BC233151  Polypogon interruptus M. Edith Lang 1922-5-25 s.n. San Mateo Emerald Lake back of Redwood City Comment
  JROH5427  Polypogon interruptus John H. Thomas 1959-8-22 8085 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along stream below dam. Comment
  CAS-BOT-BC237341  Polypogon monspeliensis Phillip Wheeler 1965-6-8 s.n. San Mateo San Bruno Mountain. Crocker Industrial Park Comment
  CAS-BOT-BC237345  Polypogon monspeliensis Ira L. Wiggins 1973-6-24 22019 San Mateo In bed of San Francisquito Creek, 50-60 m upstream from Pope Street Bridge, along boundary between San Mateo and Santa Clara counties Comment
  JROH5443  Polypogon monspeliensis John H. Thomas 1973-6-15 16836 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5445  Polypogon monspeliensis John H. Thomas 1974-10-29 17644 San Mateo Jasper Ridge Biological Preserve, Stanford University. Small peninsula created by drainage channel cut to accommodate water from Corte Madera Cr. Comment
  POM313142  Polypogon monspeliensis H. L. Mason, Verne Grant 1946-8-28 13094 San Mateo On highway 5, about 3 miles south of Daly City Road. Comment
  SJSU15937  Polypogon monspeliensis John Rawlings, Ken Hickman 2016-5-26 1808 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
  UC1132915  Polypogon monspeliensis G. E. Sindel 1935-5-25 306 San Mateo Mouth of Pescadero Creek; Santa Cruz Quad., mouth of Pescadero Creek Comment
  UCD91322  Polypogon monspeliensis August L. Hormay 1932-5-29 s.n. San Mateo San Bruno. Comment
  RSA430495  Polystichum dudleyi Lyman Benson 1934-8-19 6115 San Mateo La Honde Grade, Santa Cruz Mountains, transition zone 305 Comment
  RSA681612  Populus fremontii Annuschka Deb 1989-7-28 328 San Mateo YBN Demonstration Garden. Comment
  CAS-BOT-BC105565  Populus trichocarpa W. R. Dudley 1902-9-21 s.n. San Mateo By Whipple Road, So. Crystal Springs Lake and west of Serpentine - Santa Cruz Peninsula Comment
  JROH3842  Populus trichocarpa John H. Thomas 1976-4-30 18099 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below Dam. Comment
  UCSB18690  Populus trichocarpa Schulte, John 1963-4-9 San Mateo 3 miles southwest of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 121 Comment
  JROH5844  Potamogeton crispus P. Heiple, A. Lambrecht 2008-8-6 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake Comment
  UC1099838  Potamogeton pectinatus Verne Grant, Herbert L. Mason 1946-8-30 13078 San Mateo n of San Francisco County Prison Comment
  CAS-BOT-BC453997  Potamogeton pectinatus Charles W. O'Brien 1964-8-31 s.n. San Mateo Lake Pilarcitos Comment
  JROH5517  Potamogeton pusillus John Hunter Thomas 1981-7-12 20710 San Mateo Jasper Ridge Biological Preserve, Stanford University. In lake along the shore Comment
  CAS-BOT-BC401044  Potentilla L. Sigal 1970-5-1 s.n. San Mateo Pescadero Marsh Comment
  CAS-BOT-BC141928  Potentilla anserina subsp. pacifica Elizabeth McClintock 1967-9-24 s.n. San Mateo Crocker Avenue - San Bruno Mountains Comment
  CAS-BOT-BC141933  Potentilla anserina subsp. pacifica David D. Keck 1933-5-11 2291 San Mateo Half Moon Bay, ca. 2 miles north of town. Comment
  CAS-BOT-BC141934  Potentilla anserina subsp. pacifica H. M. Hall 1922-5-17 s.n. San Mateo Point Montara, wet swale at radio sta., coast of San Mateo co. Comment
  SEINET5568963  Potentilla glandulosa H. S. Gentry 1931-1 83 San Mateo 1 mile SE of Holy Cross Cemetery. Comment
  JROH4668  Prosartes hookeri John H. Thomas 1964-4-19 10328 San Mateo Jasper Ridge Biological Preserve, Stanford University. Area below dam in among redwoods near creek. Comment
  CAS-BOT-BC516344  Prosartes hookeri Le Roy Abrams 1902-5-20 2467 San Mateo King's Mountain Comment
  CAS-BOT-BC516350  Prosartes hookeri George Oberlander 1950-3-11 587 San Mateo Pilarcitos Canyon, San Francisco Watershed Reserve Comment
  CAS-BOT-BC516357  Prosartes hookeri Ira L. Wiggins 1928-4-14 2912 San Mateo Alpine Creek Road Comment
  CAS-BOT-BC517390  Prosartes smithii W. R. Dudley 1905-6-18 s.n. San Mateo Santa Cruz Mountain Peninsula, Butano, Deer Park Comment
  JROH5842  Prunella vulgaris var. vulgaris A. Lambrecht 2005-7-25 s.n. San Mateo West Menlo Park, California 43 Comment
  UC12742  Prunus emarginata J. Burtt Davy 1895-4-20 1032 San Mateo Lake San Andreas Comment
  UC12764  Prunus ilicifolia J. Burtt Davy 1893-6-23 832 San Mateo Pilarcitos Canyon Comment
  POM140358  Prunus subcordata L. R. Abrams 1901-03 1168 San Mateo Portola, Los Troncos Creek. Comment
  SEINET11917542  Prunus subcordata W. R. Dudley 1904-4-7 17 San Mateo Los Fracos Creek, Santa Cruz Mts Comment
  CAS-BOT-BC156356  Prunus virginiana var. demissa Walter Knight; Irja Knight 1965-4-11 s.n. San Mateo From mouth of Colma Canyon on south side of Guadalupe parkway Comment
  CAS-BOT-BC356871  Pseudognaphalium californicum D. E. Breedlove 1974-5-13 36234 San Mateo Slopes San Pedro Valley Park, Pacifica 152 Comment
  JROH751  Pseudognaphalium californicum W. R. Dudley 1895-6-14 299 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH752  Pseudognaphalium californicum D. D. Davis 1903-5-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Ridge Comment
  JROH764  Pseudognaphalium californicum John Hunter Thomas 1978-7-2 19245 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH769  Pseudognaphalium californicum John Hunter Thomas 1983-7-20 22893 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU15820  Pseudognaphalium californicum John Rawlings, Ken Hickman 2016-7-21 1909 San Mateo Serpentine seep area (Fountain thistle seep) up-slope from the Hwy 92 west onramp to Hwy 280 north; down-slope from San Francisco Watershed fence line 122 Comment
  CAS-BOT-BC356863  Pseudognaphalium californicum Elizabeth McClintock 1972-5-10 s.n. San Mateo San Bruno Mountain. Slope above parking lot, summit of mountain Comment
  CAS-BOT-BC356864  Pseudognaphalium californicum Philip C. Wheeler 1965-5-8 s.n. San Mateo San Bruno Mountain. Sierra Point Comment
  HSC23984  Pseudognaphalium californicum Mary Katherine Wicksten 1971-6-17 54 San Mateo Huddart Park on Chickadee Trail Comment
  SJSU10081  Pseudognaphalium californicum R. W. Henkel 1967-5-28 105 San Mateo Alpine Rd 4 mi N of junction with Skyline Blvd Comment
  CAS-BOT-BC357127  Pseudognaphalium luteoalbum Philip Wheeler 1965-6-13 s.n. San Mateo San Bruno Mountain. Colma Canyon Comment
  JROH777  Pseudognaphalium luteoalbum John H. Thomas 1974-10-29 17649 San Mateo Jasper Ridge Biological Preserve, Stanford University; Small peninsula created by drainage channel cut to accomodate water from Corte Madera Cr. Comment
  CAS-BOT-BC357508  Pseudognaphalium ramosissimum Janet Jones 1978-8-28 s.n. San Mateo Near Montara Comment
  CAS-BOT-BC361561  Pseudognaphalium stramineum Walter Knight; Irja Knight 1964-5-30 s.n. San Mateo San Bruno Mountain. Colma Canyon Comment
  JEPS34068  Pseudognaphalium stramineum L. M. Newlon 1921-7-30 248 San Mateo sea shore from Salada to Mussel Comment
  CAS-BOT-BC361565  Pseudognaphalium stramineum W. R. Dudley 1896-11-15 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Spanish Town Comment
  CAS-BOT-BC361573  Pseudognaphalium stramineum Saichi Kawahara 1968-6-15 437 San Mateo Pescadero Beach, 150 yards south of mouth of Pescadero Creek, Highway 1 4 Comment
  CAS-BOT-BC85903  Pseudotsuga menziesii unspecified 1894-3-24 s.n. San Mateo Fl. near Pescadero Cr. Comment
  CDA33968  Pseudotsuga menziesii D. G. Kelch, David Gernandt, Steffi Ickert-Bond, Yingli Guo 2011-4-22 11 .147 San Mateo Santa Cruz Mountains.; Skyline Blvd, ~ 5 miles W of Los Altos. Comment
  JROH1177  Psilocarphus tenellus John H. Thomas 1956-4-7 5611 A San Mateo Jasper Ridge Biological Preserve, Stanford University; open serpentine area on top of ridge and adjacent slopes Comment
  JROH1182  Psilocarphus tenellus John H. Thomas 1971-4-21 15764 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1188  Psilocarphus tenellus John Hunter Thomas 1983-4-14 21406 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
  JROH3289  Pterostegia drymarioides John H. Thomas 1976-4-19 18082 San Mateo Jasper Ridge Biological Preserve, Stanford University. Knoll to west of dam. Comment
  CDA36720  Puccinellia maritima Michael Perlmutter 2011-6-15 San Mateo Burlingame, Sanchez Marsh. 0 Comment
  JROH3754  Pyracantha fortuneana J. H. Thomas 1960-6-8 8773 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near entrance to Searsville Lake Comment
  CDA28814  Pyrola picta D. G. Kelch 2009-6-9 9 .405 San Mateo Santa Cruz Mts.; Chert outcrop and adjacent mixed evergreen forest along Skyline Blvd ~1 km W of Skegg s Point. Comment
  RSA136301  Pyrrocoma racemosa W. R. Dudley 1901-9-4 s.n. San Mateo Cooley's Landing near Palo Alto. Comment
  JROH2539  Quercus X chasei Carol Zabel 2001-9-1 44 San Mateo Jasper Ridge Biological Preserve, Stanford University; lower Trail 5 going down below switchback, first oak past valley oak with exposed roots, creek side of trail Comment
  UCD45065  Quercus agrifolia Lewis S. Rose 1964-3-23 64012 San Mateo Emerald Lake, W. of Redwood City hills. Alt. ca. 400ft. Comment
  UCD45238  Quercus agrifolia Alan T. Whittemore 1976-5-29 103 San Mateo Intersection of Polyhemus Creek Road and Ticonderoga Street, San Mateo. Latitude: 37 31' N; Longitude: 122 20' W. Elevation: 460 ft. 140 Comment
  CAS-BOT-BC62307  Quercus chrysolepis Stkinson 1902-11-30 s.n. San Mateo Santa Cruz Mountain Peninsula, King's Mt. 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
  SEINET13953377 Image available Quercus durata Lewis S. Rose 1964-1 64068 San Mateo W. of Redwood City; alt. ca. 800 ft. 244 Comment
  JROH2500  Quercus kelloggii John H. Thomas 1959-4-5 7664 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5942  Quercus kelloggii John Rawlings, Sara Timby 2017-3-3 1964 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 5 96 Comment
  RSA477345  Quercus kelloggii L. H. Jones 1909-3-3 s.n. San Mateo King's Mountain Road, Stanford University. 107 Comment
Read comments
Sep 22 2011
  UCSB1185  Quercus kelloggii Haller, John 1950-4-26 San Mateo Stanford University, near highway bridge over cree, at edge of golf course Comment
  CAS-BOT-BC62888  Quercus lobata W. R. Dudley 1901-5-4 s.n. San Mateo Coal Mine Canyon Comment
  JROH2515  Quercus lobata Josephine D. Randall 1907-3-9 130 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Road to Woodside Comment
  JROH2516  Quercus lobata John H. Thomas 1967-5-31 12945 San Mateo Jasper Ridge Biological Preserve, Stanford University; above lake Comment
  SEINET12034641  Quercus lobata Unknown 1930-1 7321 San Mateo Jaspar Ridge Comment
  UCD47142  Quercus parvula var. shrevei J. M. Tucker 1946-3-2 1372 San Mateo On hillside ca. 4 miles east of Pescadero, San Mateo County, California. 304 Comment
  CAS-BOT-BC134777  Quercus wislizeni Arthur Menzies 1962-2-25 s.n. San Mateo San Bruno Mt. Comment
  HSC24046  Quercus wislizeni Mary Katherine Wicksten 1971-6-17 14 San Mateo Huddart Park, bank along Zwierlein Trail near parking lot Comment
  CAS-BOT-BC362552  Rafinesquia californica Theo. C. Zschokke 1903-7-10 s.n. San Mateo Santa Cruz Mountain Peninsula. New Grade Road, Black Mt. Comment
  JEPS37568  Rafinesquia californica James G. Daly 318 San Mateo Santa Cruz Mts., San Gregorio watershed Comment
  RSA187310  Ranunculus E. A. McGregor 1908-3-9 s.n. San Mateo Coal Mine Ridge Comment
  UC665800  Ranunculus californicus Ira L. Wiggins 1941-4-17 9719 San Mateo near junction of road to California Sanitarium and Woodside-Half Moon Bay road Comment
  RSA27481  Ranunculus californicus I. L. Wiggins 1941-4-17 9719 San Mateo Roadside near jct of road to Calfornia Sanitarium with Woodside half Moon Bay road Comment
  SEINET5718555 Image available Ranunculus californicus Leslie Fenster 1964-1 10 San Mateo Ca. 2.5 miles up Polhemus Road. Comment
  CAS-BOT-BC378525  Ranunculus californicus var. californicus L. R. Abrams 1901-3-1 1148 San Mateo Santa Cruz Mts. Comment
  CAS-BOT-BC378532  Ranunculus californicus var. californicus Elizabeth McClintock; Virginia Ryder 1964-2-16 s.n. San Mateo San Bruno Mountain, low growing on grassy slope above parking lot at top of mountain Comment
  RSA0030883  Ranunculus californicus var. cuneatus Lyman Benson 1930-3-2 1947 San Mateo Moss Beach. 15 Comment
  JROH3481  Ranunculus hebecarpus John H. Thomas 1974-4-25 17212 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3493  Ranunculus hebecarpus John Hunter Thomas 1991-4-11 24986 San Mateo Jasper Ridge Biological Preserve, Stanford University. Grassy area near Rattlesnake Rocks Comment
  UC481014  Ranunculus hebecarpus Franklin P. Nutting April, 1895 San Mateo Comment
  CAS-BOT-BC83420  Ranunculus lobbii W. R. Dudley 1904-4-10 s.n. San Mateo Near junction of Page Mill Road and Skyline Boulevard. Comment
  CAS-BOT-BC83430  Ranunculus lobbii A. D. E. Elmer 1903-4-1 4734 San Mateo Alpine School House. Comment
  JROH3495  Ranunculus muricatus John Hunter Thomas 1978-4-22 19105 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR49681  Ranunculus pusillus W. R. Dudley 1906-5-8 s.n. San Mateo Santa Cruz Mountain Peninsula. On road between Woodside and Byrme's Store 119 Comment
  JROH3502  Ranunculus uncinatus John Rawlings 2013-4-16 1144 B San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 1. 79 Comment
  POM283034  Rhamnus californica Lyman Benson 1937-7-8 8447 San Mateo Lake Searsville, Stanford, Mt. Range: Santa Cruz; Watershed: San Francisco Bay 122 Comment
  UC592791  Rhamnus californica unknown 1927-12-31 1472 San Mateo 0.5 way up Kings Mt. Comment
  CAS-BOT-BC55884  Rhamnus crocea Walter Knight; Irja Knight; Elizabeth McClintock 1963-9-2 s.n. San Mateo Croker Hills Comment
  CAS-BOT-BC55886  Rhamnus crocea J. I. McMurphy 1906-4-4 55 San Mateo Los Trancos Creek, Santa Cruz Mts. 182 Comment
  CAS-BOT-BC55888  Rhamnus crocea Margaret A. Barry 1938-4-21 238 San Mateo North slope on Coal Mine Ridge Comment
  POM282946  Rhamnus crocea Lyman Benson 1937-7-25 8473 San Mateo Lake Searsville; Mt. range: Santa Cruz; Drainage area: San Francisco Bay. 122 Comment
  RSA20326  Rhamnus crocea Carl B. Wolf 1929-5-17 3717 San Mateo 1 mile W of Skyline Drive on Alpine Road. Comment
  UC592785  Rhamnus crocea unknown 1928-3-16 1540 San Mateo near Searsville Lake; Jasper Ridge Comment
  RSA7771  Rhamnus tomentella subsp. tomentella John W. Gillespie 1925-8-9 191 San Mateo Searsville road Comment
  CAS-BOT-BC56671  Rhododendron occidentale W. R. Dudley 1895-6-6 s.n. San Mateo Near Iverson's on Upper Pescadero Creek Comment
  CAS-BOT-BC56670  Rhododendron occidentale Roxana S. Ferris 1920-5-2 2003 San Mateo near Bonny Doon 457 Comment
  CAS-BOT-BC437977  Ribes Alice Eastwood 1922-5-27 11324 San Mateo La Honda Comment
  SEINET12219930  Ribes aureum Unknown 1932-1 8942 San Mateo Stanford University Exp. Garden Comment
  JEPS49330  Ribes californicum W. L. Jepson 1922-3-19 9540 San Mateo Lake San Andreas Comment
  POM202466  Ribes californicum L. S. Rose 1933-6-9 33226 San Mateo Belmont Comment
  CAS-BOT-BC92999  Ribes californicum var. californicum Lewis S. Rose 1949-3-18 49007 San Mateo Hillsides west of Belmont. 91 Comment
  CAS-BOT-BC93005  Ribes californicum var. californicum A. D. E. Elmer 1903-6-1 4787 San Mateo Lake San Andreas. Comment
  UCR70845  Ribes californicum var. californicum L. S. Rose 1949-3-18 49007 San Mateo San Francisco Bay Region, Hillsides west of Belmont 91 Comment
  CAS-BOT-BC173090  Ribes divaricatum var. pubiflorum W. R. Dudley 1895-2-23 s.n. San Mateo Above last bridge on San Francisquito Cr. near Stanford University Comment
  CAS-BOT-BC173473  Ribes malvaceum A. D. E. Elmer 1903-3-1 4535 San Mateo Portola Comment
  LA205482  Ribes malvaceum Lillian Lockwood; 1908-3-9 sn San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC212811  Ribes menziesii David D. Keck 1932-3-6 1397 San Mateo Near La Honda, Santa Cruz Mts. 200 Comment
  CAS-BOT-BC212815  Ribes menziesii W. R. Dudley 1904-3-3 s.n. San Mateo Santa Cruz Mts Comment
  RSA0021752  Ribes menziesii var. leptosmum I. L. Wiggins 1929-3-23 3374 San Mateo Road to Mud Lake, near Stanford University Comment
  RSA0021753  Ribes menziesii var. leptosmum S. S. Berry 1909-2-27 s.n. San Mateo Roadside near Adalanta Villa. 46 Comment
  UC11656  Ribes menziesii var. senile Alice Eastwood May 1896 San Mateo Crystal Springs Comment
  CAS-BOT-BC144635  Ribes sanguineum var. glutinosum W. R. Dudley 1900-3-18 s.n. San Mateo Below San Andreas Lake and above head of Crystal Springs Lake Comment
  CAS-BOT-BC144640  Ribes sanguineum var. glutinosum R. Bacigalupi 1922-3-1 s.n. San Mateo Pescadero Creek Comment
  JROH2681  Ribes sanguineum var. glutinosum John Hunter Thomas 1982-11-6 21216 San Mateo Jasper Ridge Biological Preserve, Stanford University. On causeway. Comment
  UC921843  Ribes sanguineum var. glutinosum Lillian Lockwood 1908-3-9 San Mateo Coal Mine Ridge Comment
  RSA0019110  Ribes sanguineum var. glutinosum Lyman Benson 1929-3-5 976 San Mateo King s Mountain. Comment
  RSA176748  Rigiopappus leptocladus John H. Thomas 1963-5-15 10089 San Mateo Jasper Ridge Biological Experimental Area. 5 miles SW of Palo Alto Comment
  CAS-BOT-BC363090  Rigiopappus leptocladus James McMurphy 1906-5-8 s.n. San Mateo Near head of Crystal Lake Comment
  CAS-BOT-BC6011  Romanzoffia californica Charles Fuller Baker 1902-4-6 463 San Mateo Crystal Springs Lake Comment
  POM65453  Romanzoffia californica A. D. E. Elmer 1903-05 4482 San Mateo Towards San Mateo; Crystal Springs Lake. Comment
  SJSU16041  Romulea rosea var. australis John Rawlings, Toni Corelli 2016-4-29 1760 San Mateo Cascade Creek Trail, Ano Nuevo State Park 21 Comment
  UCD78149  Romulea rosea var. australis Robert E. Preston 2008-4-2 2601 San Mateo W slope of Buri Buri Ridge, ca. 0.4 mi NW of golf course. 75 Comment
  UC10721  Rorippa curvisiliqua Alice Eastwood 1896-4-1 San Mateo between Crystal Springs and Millbrae; bet. Crystal Springs and Millbrae Comment
  CAS-BOT-BC389728  Rosa J. Lovelle 1973-8-19 127 San Mateo Pomponio Canyon Comment
  CAS-BOT-BC147621  Rosa californica Alice Eastwood 1921-7-17 s.n. San Mateo Granada Comment
  CAS-BOT-BC147632  Rosa californica J. I. McMurphy 1906-4-30 64 San Mateo Woodside, Santa Cruz Mts. Comment
  POM223624  Rosa californica S. S. Berry 1909-2-27 s.n. San Mateo Roadside near Adalanta Villa. 46 Comment
  SEINET11917917  Rosa californica J. C. McMurphy 1906-1 64 &35 San Mateo Santa Cruz Mts & Palo Alto Comment
  CAS-BOT-BC146698  Rosa gymnocarpa W. R. Dudley 1906-5-8 65 San Mateo Near Crystal Springs Lake, Santa Cruz Mts. 91 Comment
  CAS-BOT-BC146699  Rosa gymnocarpa Ira L. Wiggins 1925-4-1 1653 San Mateo On Kings Mountain Road three fourths of a mile above Woodside Comment
  JROH3758  Rosa gymnocarpa var. gymnocarpa W. R. Dudley 1898-4-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3763  Rosa gymnocarpa var. gymnocarpa John Hunter Thomas 1989-5-11 24738 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  NY415871  Rosa piscatoria A. D. E. Elmer 05 1903 4923 San Mateo Pescadero Comment
  JROH3766  Rosa spithamea Toni Corelli 2007-10-31 342 San Mateo Jasper Ridge Biological Preserve, Stanford University; along Trail 1 just before 1st redwood grove, north side of trail, above San Francisquito Creek 80 Comment
  POM139641  Rubus parviflorus var. velutinus A. D. E. Elmer 1903-06 4294 San Mateo Alpine School House. Comment
  RSA51270  Rubus parviflorus var. velutinus Peter H. Raven 1950-4-30 51270 San Mateo Montara Mtns. Ca 1/2 mile N of Montara. 91 Comment
  CAS-BOT-BC156769  Rubus spectabilis Walter Knight; Irja Knight 1965-4-11 s.n. San Mateo From bank of Colma Creek. Colma Canyon Comment
  CAS-BOT-BC156772  Rubus spectabilis Peter H. Raven 1951-3-12 2749 San Mateo N. base San Bruno Mountains Comment
  UCSB44344  Rubus spectabilis Brownell, Kathleen 1979-3-27 San Mateo Gazoos Road, 0.7 miles east of Highway 1; Near Butano State Park; Western foothills of the Santa Cruz Mountains; 45 Comment
  CAS-BOT-BC157071  Rubus ursinus L. R. Abrams 1914-10-14 5128 San Mateo [Tunitos Canon] Tunitas Canyon 121 Comment
  CAS-BOT-BC157098  Rubus ursinus John Thomas Howell 1938-6-4 13889 San Mateo Burlingame Comment
  JROH3777  Rubus ursinus W. R. Dudley 1898-4-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  LA208244  Rubus ursinus Ira L. Wiggins; 1929-7-4 3775 San Mateo 4 mi. W. of La Honda on hill road to Pescadero Beach Comment
  UC748878  Rubus ursinus Alice Eastwood, John Thomas Howell 1938-6-26 6055 San Mateo near Pescadero; near Pescadero Comment
  JROH3290  Rumex acetosella D. D. Davis 1903-4-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. West end of Searsville Ridge. Comment
  JROH3304  Rumex conglomeratus John Hunter Thomas 1989-6-13 24768 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC421819  Rumex conglomeratus A. D. E. Elmer 1903-6-1 4276 San Mateo San Mateo Comment
  JROH5595  Rumex crispus John Rawlings 2013-6-13 1189 San Mateo Jasper Ridge Biological Preserve, Stanford University. West end of the shallow depression known as the Semaphore Grass Meadow. 122 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-BC433543  Rumex fueginus Ira L. Wiggins 1935-6-29 8049 San Mateo Near mouth of Pescadero Creek, 2 miles west of Pescadero Comment
  CAS-BOT-BC433544  Rumex fueginus W. R. Dudley 1909-10-10 s.n. San Mateo Santa Cruz Mountain Peninsula. E. side Crystal Springs Reservoir. Comment
  JROH2220  Rupertia physodes John Hunter Thomas 1981-5-5 20542 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  POM348838  Rupertia physodes E. S. Spalding 1928-8-3 s.n. San Mateo Pulgas Tunnel east side. Comment
  UC279586  Ruppia maritima W. A. Setchell 1925-8-29 San Mateo Laguna de Salada Comment
  CAS-BOT-BC454178  Ruppia maritima Ira L. Wiggins 1946-4-30 11199 San Mateo On west side of Bayshore Highway 1/2 mile north of Redwood City. Comment
  CAS-BOT-BC454179  Ruppia maritima W. R. Dudley 1908-9-1 s.n. San Mateo Laguna Salada Comment
  SEINET11763715  Ruppia maritima H. L. Mason 1921-1 s.n. San Mateo Pebble Beach, near Pescadero Comment
  SD146161  Ruta chalepensis G. K. Helmkamp, E. A. Helmkamp 1999-6-28 5003 San Mateo Pescadero Crk Watershed: Bean Hollow Rd 0.3 mi S of Pescadero Rd (SW of Pescadero). Slopes above Butano Crk. 60 Comment
  UC1738942  Rytidosperma caespitosum Glenn Clifton 1992-8-4 San Mateo between Whitehorse Creek and Cascade Creek Santa Cruz Mountains, Cascade Ranch State Park 15 Comment
  JROH1713  Sagina apetala John H. Thomas 1963-4-17 10036 San Mateo Jasper Ridge Biological Preserve, Stanford University; edge of road near the "riders shack" at the Searsville end of the ridge Comment
  JROH1715  Sagina apetala Oz Garton 1968-5-27 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA312360  Salicornia maritima H. L. Mason, Malcolm Nobs 1948-12-11 713 San Mateo Hwy 101 near shore of bay, at Whipple Avenue intersection, Redwood City. Comment
  UC1191404  Salicornia virginica Malcolm A. Nobs and S. Galen Smith 1949-8-26 1601 San Mateo mouth of Pescadero Creek Pescadero Creek Comment
  UCD110943  Salix exigua Lewis S. Rose 1965-3-8 65003 San Mateo Searsville Lake. 121 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
  LA208828  Salix lasiandra David D. Keck; 1932-3-6 1392 San Mateo Searsville Lake Comment
  SJSU7512  Salix lasiandra var. lasiandra Lewis S. Rose 1965-3-16 65007 San Mateo Searsville Lake 121 Comment
  CAS-BOT-BC107130  Salix lasiolepis C. R. Ball; G. W. Hendry 1931-2-22 14 San Mateo San Gregorio, near sea level - in arroyo near San Gregorio Creek, 100 m. from ocean Comment
  JROH3861  Salix lasiolepis L. R. Abrams 1904-3-7 67 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake 121 Comment
  RSA178596  Salix lasiolepis L. R. Abrams 1915-3-13 5161 San Mateo Near jct of San Francisquito and Los Trancos creeks. About 2 miles from Stanford University. Comment
  CAS-BOT-BC108253  Salix lasiolepis var. bigelovii Alice Eastwood 1920-3-15 s.n. San Mateo San Bruno Hills Comment
  CAS-BOT-BC126487  Salix sitchensis Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo Colma Canyon Comment
  UCD164608  Salix sitchensis Peter Rubtzoff 1975-10-11 8426 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  CAS-BOT-BC180792  Salsola soda William Anderson 1968-8-16 s.n. San Mateo Edge of salt marsh just above high tide line, west end of Dumbarton Bridge Comment
  RSA201244  Salsola soda W. Anderson 1968-8-16 s.n. San Mateo Edge of salt marsh just above high tide line, west end of Dumbarton Bridge Comment
  RSA681663  Salvia brandegeei Annuschka Deb 1989-4-14 11458 San Mateo YBN Demonstration Garden, Woodside, CA Comment
  RSA681665  Salvia clevelandii Annuschka Deb 1989-7-19 313 San Mateo Yerba Buena Herbarium Stock Comment
  SJSU11396  Salvia spathacea G. I. Tourtlotte 1968-5-19 San Mateo S side of Guadalupe Canyon, San Bruno Mt Comment
  SJSU15329  Salvia spathacea A. Hicks 1979-11-23 41 San Mateo near creek above gully at Chestnut and Hillside Blvd., South- west facing slope of San Bruno Mts., South San Francisco. 182 Comment
  RSA184910  Sambucus mexicana L. S. Rose 1966-8-15 66084 San Mateo Pulgas Water Temple 91 Comment
  CDA34006  Sambucus racemosa D. G. Kelch 2011-3-13 11 .053 San Mateo Near Half Moon Bay along Capistrano Creek. Comment
  CAS-BOT-BC236461  Sambucus racemosa subsp. racemosa Roxana S. Ferris 1921-3-20 2112 San Mateo Pescadero Creek near mouth of canyon, Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC236465  Sambucus racemosa subsp. racemosa J. H. Thomas 1949-6-4 596 San Mateo 1 mile E. of Pescadero Comment
  JEPS13391  Sambucus racemosa var. racemosa W. L. Jepson 1910-8-17 4157 San Mateo Tunitas Creek; near the sea Comment
  RSA10396  Sanguisorba annua Carl B. Wolf 1927-6-15 2174 San Mateo Along Skyline Drive, 8 mi. S of San Francisco. Comment
  CHSC37342  Sanicula arctopoides J. F. Esperance; P. S. Worthing 1982-3-6 San Mateo Top of San Bruno Mt., 1/2 mi s of parking lot on the ridge top. 304 Comment
  UC579535  Sanicula arctopoides H. S. Yates 1935-2-3 5102 San Mateo 0.5 mi se of Pigeon Point 30 Comment
  SEINET12121123  Sanicula arctopoides E. McClintock, Knight, W.; Knight, I. 1982-1 4642 San Mateo upper elevations of San Bruno Mountain, especially around parking lot area Comment
  SEINET5625230 Image available Sanicula arctopoides Unknown 1907-1 8444 San Mateo Near Lake Merced Comment
  SEINET6205025  Sanicula arctopoides L. S. Rose 1965-1 65012 San Mateo San Bruno Mts, N end. Comment
  CAS-BOT-BC223317  Sanicula bipinnatifida A. D. E. Elmer 1903-4-1 4817 San Mateo Lake San Andreas Comment
  CAS-BOT-BC223323  Sanicula bipinnatifida A. D. E. Elmer 1903-4-1 4817 San Mateo Lake San Andreas Comment
  JROH323  Sanicula bipinnatifida John H. Thomas 1973-3-12 16485 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH326  Sanicula bipinnatifida John Hunter Thomas 1991-5-2 25018 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM132687  Sanicula bipinnatifida A. D. E. Elmer 1903-04 s.n. San Mateo Lake San Andreas Comment
  CAS-BOT-BC223324  Sanicula bipinnatifida W. R. Dudley 1894-3-26 s.n. San Mateo Santa Cruz Mountain Peninsula. Half Moon Bay Comment
  RSA15309  Sanicula bipinnatifida C. B. Wolf 1927-4-3 279 San Mateo 1 1/2 miles above east base of La Honda grade, Santa Cruz Mountains. Comment
  RSA191945  Sanicula crassicaulis R. F. Thorne, P. Everett 1963-6-9 32242 San Mateo On top of San Bruno Mountain. 335 Comment
  SEINET10693797 Image available Sanicula laciniata Adolph D. E. Elmer Elmer 4498 San Mateo Comment
  NY406244  Sanicula serpentina A. D. E. Elmer 04 1903 4498 San Mateo Portola Comment
  RSA128598  Satureja douglasii Peter H. Raven 1950-4-30 1988 San Mateo Montara Mountains 122 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
  POM185335  Schoenoplectus pungens E. B. Copeland 1903-6-15 3336 San Mateo Montara Point. 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
  UC652556  Scirpus cernuus Ira L. Wiggins and Roxana S. Ferris 1939-8-2 9290 San Mateo Ano Nuevo Point Comment
  UC1100787  Scirpus cernuus Herbert L. Mason 1949-7-7 14027 San Mateo mouth of Gazos Creek near ocean (southern San Mateo County); mouth of Gazos Creek Comment
  UC841022  Scirpus maritimus Lewis S. Rose 1935-8-13 35565 San Mateo Salada 3 Comment
  UC1100802  Scirpus pungens Herbert L. Mason 1949-7-7 14025 San Mateo mouth Gazos Creek (near ocean, s San Mateo Co.) Comment
  JEPS79568  Scoliopus bigelovii Edward Lee with A. Carter, E. Crum and C. Belshaw 1936-1-26 1722 San Mateo Kings Mt. Rd. 2.6 mi. out of Woodside (e. side Cahill Ridge); Cahill Ridge Comment
  JROH4691  Scoliopus bigelovii Volney Rattan 1867-3-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC765856  Scoliopus bigelovii R. F. Hoover 1939-3-3 3897 San Mateo above Portola (on La Honda rd.) Comment
  CAS-BOT-BC519008  Scoliopus bigelovii Harold Block 1926-1-24 s. n. San Mateo Kings Mountain Comment
  CAS-BOT-BC519019  Scoliopus bigelovii Alice Eastwood 1933-4-30 s. n. San Mateo Lake Pilarcitos Comment
  JEPS127846  Scrophularia californica Adam C. Schneider 2013-4-7 84 San Mateo Comment
  UCR121556  Scrophularia californica subsp. californica George K. Helmkamp, E. A. Helmkamp 1999-6-28 4980 San Mateo Pescadero Creek Watershed, Pescadero Road just north of Loma Mar 107 Comment
  JROH2889  Scutellaria tuberosa John Hunter Thomas 1987-4-23 24208 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2890  Scutellaria tuberosa John Hunter Thomas 1992-4-23 25161 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Rattlesnake Rocks and along trail to redwoods Comment
  JROH5752  Scutellaria tuberosa L. Nordby 1982-5-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Oak woodland just west of the serpentine grasslands on the top of Jasper Ridge Comment
  CAS-BOT-BC64100  Sedum radiatum subsp. radiatum W. R. Dudley 1894-3-26 s.n. San Mateo San mateo trap. hills. Comment
  CAS-BOT-BC59060  Sedum spathulifolium G. B. Rossbach 1939-6-18 755 San Mateo Cliff on SE slope of North Peak, Montara Mts 396 Comment
  CAS-BOT-BC59061  Sedum spathulifolium G. B. Rossbach 1939-6-18 756 San Mateo Ledge near 755 on SE slope of North Peak, Montara Mts. 396 Comment
  CAS-BOT-BC59275  Sedum spathulifolium A. D. E. Elmer 1903-6-1 4550 San Mateo Crystal Springs Lake, Toward San Mateo Comment
  SEINET10808551  Senecio Harold W. Rickett 1928-7-10 Rickett s.n. San Mateo La Honda, CA. Comment
  CAS-BOT-BC327388  Senecio aphanactis Fred Hemphill 1973-4-22 798 San Mateo North of Malabar Road adn Melendy Drive, San Carlos 207 Comment
  RSA0012756  Senecio aronicoides C. F. Baker 1902-5-4 746 San Mateo Woodside. Comment
  UC580090  Senecio glomeratus Ira L. Wiggins 1934-8-11 6970 A San Mateo salt flats beside tannery Redwood City Comment
  RSA132965  Senecio mikanioides John H. Thomas 1958-12-18 7509 San Mateo Along Skyline Blvd. just west of San Bruno. Comment
  CAS-BOT-BC364633  Senecio vulgaris Fred Hemphill 1973-4-8 625 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC364634  Senecio vulgaris Fred Hemphill 1973-3-17 634 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  UCD135850  Senecio vulgaris J. D. Skoss 1948-7-25 45 San Mateo San Vicente, near Montara. Comment
  CAS-BOT-BC80290  Sequoia sempervirens Ira L. Wiggins 1925-4-1 1659 San Mateo On Kings Mountain Road three fourths of a mile above Woodside Comment
  CAS-BOT-BC85780  Sequoia sempervirens W. R. Dudley 1897-1-1 s.n. San Mateo Santa Cruz Mountain Peninsula, Butano Creek Comment
  CAS-BOT-BC85781  Sequoia sempervirens E. G. Dudley 1904-1-21 74 San Mateo Santa Cruz Mts., Canada de Raymundo 274 Comment
  JEPS48276  Sequoia sempervirens Alice F. Crane 1917-11-27 San Mateo La Honda Comment
  JROH5894  Sequoia sempervirens M. Ray 1982-5-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Redwood grove, San Francisquito Creek Comment
  SEINET10612343  Sequoia sempervirens Paulson 1914-10-21 PAULSON s.n. 1914 San Mateo Kings Mountain near woodside. Herbarium of Leland Stanford Jr. University. Plants of the Santa Cruz Mountain Penninsula. Comment
  SEINET11737927  Sequoia sempervirens E. L. Dudley 1904-1 74 San Mateo Canada de Raymundo, Santa Cruz Mts, Santa Cruz peninsula 274 Comment
  SEINET5334846  Sequoia sempervirens R. L. Oliver 1976-4-18 s.n. San Mateo La Honda. San Mateo Memorial Park. Redwood forest. Comment
  CDA2436  Setaria parviflora E. L. Labadie 1958-7-8 833 -58 San Mateo Redwood City. 0 Comment
  SEINET3243948  Setaria parviflora John Thomas Howell 1957-1 32805 San Mateo Holy Cross Cemetary, San Mateo Co. Comment
  SJSU10484  Setaria viridis S. H. Casey 1975-6-14 490 San Mateo by residence, SW Redwood City Comment
  JROH3831  Sherardia arvensis John H. Thomas 1971-4-10 15762 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD116582  Sidalcea hickmanii subsp. viridis S. Seiki 1998-5-2 2 San Mateo city of Pacifica, Montara Mountain, approximately 2.3 miles from San Pedro Valley along Devil's Slide heading west. Specimen found along trail about 0.25 mile in from the entrance to the trail. Comment
  RSA18461  Sidalcea malviflora subsp. malviflora Carl B. Wolf 1927-6-29 547 San Mateo South of Pebble Beach near Pescadero. Comment
  JROH2971  Sidalcea malviflora subsp. malviflora John Hunter Thomas 1981-4-5 20271 San Mateo Jasper Ridge Biological Preserve, Stanford University; near lake Comment
  JEPS127818  Silene gallica Adam C. Schneider with C. Matt Guilliams 2013-4-7 81 San Mateo Crystal Springs Reservoir Comment
  POM286436  Silene gallica Lyman Benson 1930-5-3 2118 San Mateo Lake Searsville, Stanford Univ. San Francisco Bay watershed, Santa Cruz mtn range. 183 Comment
  RSA177058  Silene gallica John H. Thomas 1964-5-9 10377 San Mateo San Gregorio beach. Comment
  CAS-BOT-BC386861  Silene gallica G. Edelbrock 1975-3-21 022 San Mateo On ridge ar end of crocker Street; San bruno Mountain 152 Comment
  POM286437  Silene gallica Arthur L. Cohen 1935-4-21 633 San Mateo Jasper Ridge, [which is in San Mateo county], Stanford University [which is in Santa Clara county]. Santa Cruz mtn range, San Francisco Bay watershed. 152 Comment
  JROH1725  Silene laciniata subsp. californica John H. Thomas 1962-7-15 9911 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC384626  Silene laciniata subsp. californica L. Sigal 1969-7-1 s.n. San Mateo Belmont Comment
  RSA191939  Silene scouleri R. F. Thorne, Percy C. Everett 1963-6-9 32235 San Mateo On top of San Bruno Mountain. 335 Comment
  CAS-BOT-BC389892  Silene scouleri subsp. scouleri John H. Thomas 1961-8-27 9705 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC389896  Silene verecunda Dean Wm. Taylor 1988-4-8 9505 San Mateo Santa Cruz Mountains. San Bruno Mountain, summit of mountain, near the parking lot at the eastern extent of public road access Comment
  JROH1232  Silybum marianum John H. Thomas 1969-6-4 15116 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1234  Silybum marianum John Hunter Thomas 1989-5-9 24707 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC364860  Silybum marianum J. H. Thomas 1949-5-25 562 San Mateo Near western approach to the Dumbarton Bay Bridge Comment
  JEPS59180  Silybum marianum James G. Daly 1934-1 461 San Mateo San Gregorio watershed , San Gregorio watershed (Santa Cruz Mts.) 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
  HSC24043  Sisyrinchium bellum Mary Katherine Wicksten 1971-6-15 20 San Mateo Huddart Park near horse ring Comment
  UC75049  Sisyrinchium bellum C. F. Baker 1902-3-30 428 San Mateo Crystal Springs Lake Comment
  UC845034  Sisyrinchium bellum Alice Eastwood 1915-6-13 4716 San Mateo Granada Comment
  UCR101612  Sisyrinchium bellum George K. Helmkamp, E. A. Helmkamp 1998-5-16 3746 San Mateo Portola Valley, Golden Hills Rd along Los Trancos Creek 107 Comment
  RSA26886  Sisyrinchium bellum R. C. Rollins 1941-3-22 2948 San Mateo 1 mile north of Belmont Comment
  POM196491  Sisyrinchium californicum Roxana S. Ferris 1920-4-26 1973 San Mateo Near mouth of Arroyo de los Frijoles 30 Comment
  UC1577337  Smilacina racemosa Cynthia DiGiovanni 1971-4-4 19 San Mateo Alpine Road Menlo Park (foothills) Comment
  CDA39382  Smilacina racemosa var. amplexicaulis T. C. Fuller 1960-4-2 4080 San Mateo La Honda Rd., 1 mile north of La Honda. 0 Comment
  SEINET3154296  Smilacina sessilifolia L. S. Rose 1933-4-9 33070 San Mateo Belmont Comment
  RSA15288  Smilacina stellata var. sessilifolia Carl B. Wolf 1927-4-3 256 San Mateo 1 mile above La Honda. Santa Cruz Mountains Comment
  UC73600  Solanum americanum Harley P. Chandler 1901-3-15 814 San Mateo w of Colma Comment
  SJSU7787  Solanum americanum C. A. Staicer 1976-9-25 San Mateo San Francisquito Cr near El Camino Real, Menlo Park Comment
  JEPS17020  Solanum furcatum Rimo Bacigalupi with J. R. Sweeney, G. Bacigalupi Jr., and C. Fenneman 1954-8-3 4734 San Mateo along upper slopes of the Edgemar Road (northwestern San Mateo County) 121 Comment
  JROH4185  Solanum umbelliferum John H. Thomas 1956-4-7 5603 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4186  Solanum umbelliferum John H. Thomas 1958-2-15 6988 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC26234  Solanum umbelliferum Alice Eastwood April 1896 San Mateo Crystal Springs 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
  SEINET3388313 Image available Solidago californica Lewis S. Rose 1932-10-12 32669 San Mateo Kings Mountain Comment
  RSA34004  Solidago canadensis subsp. elongata J. Wendell Howe 1930-5-27 s.n. San Mateo Pigeon Point Road. 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
  UC473553  Solidago elongata Lewis B. Rose 1931-9-9 San Mateo Kings Mt. Comment
  CAS-BOT-BC365712  Solidago spathulata Phillip C. Wheeler 1965-8-16 s.n. San Mateo San Bruno Mountain. Lower April Brook Comment
  CAS-BOT-BC365744  Solidago spathulata Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountain. Motorcycle Ridge 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
  LA203968  Solidago velutina subsp. californica U. S. Grant; 1926-9-6 IV San Mateo Kuiqs Mountain 609 Comment
  CAS-BOT-BC365925  Soliva sessilis W. R. Dudley 1895-6-6 s.n. San Mateo Santa Cruz Peninsula. Near Pescadero Creek Comment
  UC909336  Soliva sessilis Ira L. Wiggins 1950-5-20 12352 San Mateo above Pescadero Beach Comment
  JROH1238  Soliva sessilis John H. Thomas 1955-5-6 5000 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1255  Sonchus asper subsp. asper John H. Thomas 1967-5-31 12927 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM292654  Sonchus oleraceus Lyman Benson 1928-12-15 837 San Mateo Lake Searsville, Stanford, Santa Cruz, San Francisco Bay 152 Comment
  SD38308  Sonchus oleraceus Edith A. Purer 1932-7-18 San Mateo Half Moon Bay; Comment
  CAS-BOT-BC235286  Sorghum bicolor John H. Thomas 1968-10-13 14855 San Mateo Along Sandhill Road near Whiskey Hill Road. About 5 miles westward from the center of Palo Alto Comment
  CAS-BOT-BC236581  Sorghum halepense John H. Thomas 1968-10-6 14846 San Mateo Vicinity of railroad tracks and Dumbarton Bridge causeway entrance, east of Palo Alto Comment
  RSA177000  Sparganium erectum subsp. stoloniferum John H. Thomas 1964-6-3 10412 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  RSA14504  Sparganium erectum subsp. stoloniferum I. L. Wiggins 1935-8-24 8160 San Mateo Small creek about 1/2 mile south of Moss Beach. Comment
  CAS-BOT-BC236623  Spartina foliosa Alice Eastwood 1914-12-16 s.n. San Mateo Redwood City Comment
  CAS-BOT-BC236624  Spartina foliosa Le Roy Abrams 1900-10-1 1015 San Mateo Cooley Landing Comment
  JROH5600  Spergula arvensis John Rawlings 2014-3-18 1209 San Mateo Jasper Ridge Biological Preserve, Stanford University; upper trail 3. 187 Comment
  SJSU15845  Spergula arvensis John Rawlings 2015-1-23 1278 San Mateo San Bruno Mountain; southeast ridge fire road above Owl Canyon 351 Comment
  UC1537317  Spergula arvensis subsp. arvensis Gordon H. True Jr. 1937-3-31 613 San Mateo field s. of Daly City 182 Comment
  JROH1769  Spergularia John Hunter Thomas 1988-5-25 24487 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low flow crossing Comment
  CAS-BOT-BC390199  Spergularia bocconi R. I. Gilbreath 1975-8-1 0084 San Mateo In school yard on Alberta Way, Hillsborough 167 Comment
  CDA24131  Spergularia macrotheca T. C. Fuller 1967-6-13 15939 San Mateo Half Moon Bay Harbor, north edge of the town of Half Moon Bay. 0 Comment
  CAS-BOT-BC390476  Spergularia macrotheca var. macrotheca Alice Eastwood 1937-7-25 18889 San Mateo Pebble Beach, Pescadero Comment
  CAS-BOT-BC390469  Spergularia macrotheca var. macrotheca David D. Keck 1933-5-11 2297 San Mateo Montara Light House and Radio Station Comment
  CAS-BOT-BC390472  Spergularia macrotheca var. macrotheca G. B. Rossbach; R. P. Rossbach 1940-6-20 738 San Mateo 1 mile south of Montara Point Comment
  CHSC60186  Stachys Jan M. Karaz 1979-5-22 35 San Mateo 500 ft w of Canada College Campus Drive, 1.5 mi w of Hwy 280. 5 Comment
  POM224475  Stachys ajugoides L. S. Rose 1936-5-23 s.n. San Mateo E. of Crystal Springs Lake. 152 Comment
  UC1537555  Stachys bullata Gordon H. True Jr. 1936-6-14 503 San Mateo canyon s Saledo Beach (near coast) 152 Comment
  UC306580  Stachys bullata A. D. E. Elmer June, 1903 4417 San Mateo San Mateo Comment
  JROH2907  Stachys bullata John Hunter Thomas 1984-5-27 23407 San Mateo Jasper Ridge Biological Preserve, Stanford University; beyond redwood grove along San Francisquito Creek, about 300 yards to the east Comment
  RSA116743  Stachys bullata L. R. Abrams 1915-6-7 5245 San Mateo Woodside to Crystal Springs Road. Comment
  RSA505403  Stachys bullata Gordon H. True Jr. 1936-6-14 503 San Mateo Near coast, in canyon south of Salada Beach. 152 Comment
  SEINET12343829  Stachys bullata L. S. Rose 1932-5-3 32215 San Mateo San Bruno 183 Comment
  JROH2918  Stachys pycnantha John H. Thomas 1973-6-15 16832 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA0109084  Stachys pycnantha A. D. E. Elmer 1903-06 s.n. San Mateo Alpine School House. Comment
  CDA41578  Stachys rigida A. Gilbert 1997-6-8 s.n. San Mateo San Francisco Bay Area; La Honda. 0 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
  JROH5735  Stellaria nitens John Rawlings 2015-4-5 1655 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near base of scree slope in old quarry off of Trail 12 111 Comment
  CAS-BOT-BC375912  Stephanomeria virgata Margaret A. Barry 1937-7-17 200 San Mateo Coal Mine Ridge Comment
  JROH5327  Stipa lepida W. Lennihan 1989-4-6 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 9, halfway from lake to top. Comment
  HSC13372  Stipa pulchra L. S. Rose 1963-4-27 63000 San Mateo Skyline Blvd., W of San Mateo 91 Comment
  CAS-BOT-BC271640  Symphoricarpos albus var. laevigatus J. I. McMurphy 1906-5-8 s.n. San Mateo Near Crystal Springs Lake, Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC271647  Symphoricarpos albus var. laevigatus C. B. Wolf 1931-8-20 1194 San Mateo Los Trancos Creek 2 miles back of Stanford University near Schenkel's Camp 91 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
  SJSU14728  Symphoricarpos orbiculatus C. W. Sharsmith 1991-12-14 9230 San Mateo Yerba Buena Nursery, Woodside Comment
  CAS-BOT-BC99052  Symphyotrichum chilense Lewis S. Rose 1933-10-14 33381 San Mateo Visitacion Valley Comment
  CAS-BOT-BC99086  Symphyotrichum chilense John H. Thomas 1965-11-26 11454 San Mateo At intersection of Tunitas Creek Road and Lobos Creek cutoff 121 Comment
  CAS-BOT-BC99088  Symphyotrichum chilense Josephine D. Randall 1907-7-23 54 San Mateo Near Crystal Springs Lake - Santa Cruz Peninsula Comment
  JROH526  Symphyotrichum chilense John Hunter Thomas 1982-9-12 21157 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU11805  Symphyotrichum chilense R. E. Douglas 1964-11-11 San Mateo Half Moon Bay Comment
  UC912474  Symphyotrichum chilense Herbert L. Mason 1927-10-4 4130 San Mateo Mouth of Waddell Creek, Ano Nuevo Pt. Ano Nuevo Pt., Waddell Creek Comment
  CAS-BOT-BC99084  Symphyotrichum chilense W. R. Dudley 1895-9-21 s.n. San Mateo Menlo Park - Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC99099  Symphyotrichum chilense Elizabeth McClintock; Paul Reeberg 1989-8-31 s.n. San Mateo San Bruno Mountains - Willow Pond Comment
  JEPS20079  Symphyotrichum subspicatum Peter H. Raven 1957-9-1 11294 San Mateo 1.1 mi s of, Pigeon Point Lighthouse Comment
  UC1927817  Symphyotrichum subspicatum David Keil 1988-11-19 21201 San Mateo Highway 1, south of Half Moon Bay Comment
  CDA34524  Tamarix parviflora T. Hyland 2011-3-1 San Mateo CalTrans right of way 100 meters west of gate leading to Cascade Creek mouth. 0 Comment
  JROH1283  Tanacetum parthenium John Hunter Thomas 1992-5-26 25357 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing Comment
  JROH1286  Taraxacum officinale John H. Thomas 1976-4-19 18084 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  UC1537659  Taraxia ovata Gordon H. True Jr. 1937-3-31 612 San Mateo Salada Beach Road 60 Comment
  JROH368  Tauschia hartwegii John H. Thomas 1973-3-12 16488 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC447467  Tellima grandiflora Carl B. Wolf 1929-5-10 3710 San Mateo santa Cruz Mts La Honda 304 Comment
  CAS-BOT-BC447480  Tellima grandiflora John H. Thomas 1961-5-14 9363 San Mateo Vicinity of pilarcitos Stone Dam on Pilarcitas Creek. San Francisco Watershed reserve. 152 Comment
  POM141769  Tellima grandiflora A. D. E. Elmer 1903-06 4702 San Mateo Pescadero. Comment
  UC203041  Tellima grandiflora A. D. E. Elmer Jun 1903 4702 San Mateo Pescadero Comment
  CAS-BOT-BC389698  Tellima grandiflora Mary K. Wicksten 1972-7-5 118 San Mateo Huddart Park Comment
  JROH3910  Tellima grandiflora H. J. Dengler 1961-5-8 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Shaded creek bank N.E. of Searsville Rocks, across creek from violet site. Comment
  JROH3504  Thalictrum fendleri var. polycarpum D. D. Davis 1903-4-10 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. On Searsville Ridge Comment
  JROH3508  Thalictrum fendleri var. polycarpum John H. Thomas 1961-4-29 9196 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5910  Thalictrum fendleri var. polycarpum L. Nordby 1982-4-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail between Escobar Gate and the weather station. Comment
  UCSB18684  Thalictrum fendleri var. polycarpum Schulte, John 1963-4-14 San Mateo top of Jasper Ridge, 3 miles SW of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  CAS-BOT-BC399838  Thalictrum polycarpum Margaret A. Barry 1938-4-21 248 San Mateo By Los Trancos Creek near Coal Mine Ridge Comment
  CAS-BOT-BC399839  Thalictrum polycarpum J. H. Thomas 1954-4-3 3834 San Mateo Pilarcitos Creek Road, 3.5 miles NE of Halfmoon [Half Moon] Bay 121 Comment
  POM16722  Thermopsis californica var. californica A. D. E. Elmer 1903-05 4824 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC66661  Thysanocarpus curvipes John H. Thomas 1968-4-13 14290 A San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  JROH5697  Thysanocarpus curvipes subsp. elegans John Rawlings 2015-3-31 1418 San Mateo Jasper Ridge Biological Preserve, Stanford University. Northwest side of small drainage upstream from the footbridge on Trail 11. 134 Comment
  HSC23958  Torilis nodosa Mary Katherine Wicksten 1971-6-17 62 San Mateo Huddart Park, above Redwood Shelter Comment
  POM181976  Torreya californica Anonymous s.n. San Mateo Santa Cruz Mountains 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
  JROH5898  Toxicodendron diversilobum M. Ray 1982-5-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; trailside south of Searsville Lake Comment
  JROH4759  Toxicoscordion fremontii John H. Thomas 1977-4-8 18522 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD39136  Trientalis europaea var. latifolia Edith A. Purer 1933-5-16 3603 San Mateo Alpine Road Comment
  JROH3395  Trientalis latifolia John Hunter Thomas 1981-5-5 20538 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA116717  Trientalis latifolia E. W. Rust 1907-4-13 s.n. San Mateo Los Traucos Creek. Comment
  UCD117573  Trientalis latifolia D. H. Hartmann 1941-4-26 s.n. San Mateo west of Palo Alto. Comment
  UC16489  Trifolium albopurpureum var. dichotomum J. Burtt Davy 1893-6-17 798 San Mateo Belmont Comment
  JROH2242  Trifolium barbigerum John Hunter Thomas 1982-5-18 20941 San Mateo Jasper Ridge Biological Preserve, Stanford University; along SLAC fence Comment
  SEINET11173562 Image available Trifolium barbigerum A. A. Heller 1905-5-15 7842 San Mateo Near Alma Comment
  UCSC003389  Trifolium barbigerum var. andrewsii Randall Morgan 2001-5-9 3733 San Mateo Bean Hollow State Beach, San Mateo County Comment
  POM278010  Trifolium bifidum Lyman D. Benson 1935-5-5 6523 San Mateo Lake Searsville 152 Comment
  JROH2244  Trifolium bifidum var. bifidum John Hunter Thomas 1981-4-23 20474 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC203053  Trifolium bifidum var. bifidum A. D. E. Elmer April, 1903 4798 San Mateo Portola Comment
  JROH2248  Trifolium bifidum var. decipiens G. C. Kimber & Lucile Roush 1918-5-2 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC631333  Trifolium bifidum var. decipiens A. A. Heller 1907-5-23 8559 San Mateo back of San Mateo (on Half Moon Bay Rd) Comment
  UC725794  Trifolium bifidum var. decipiens A. A. Heller 1907-5-23 8559 San Mateo near San Mateo (on Half Moon Bay Rd) Comment
  POM277940  Trifolium ciliolatum Lyman D. Benson 1935-5-5 6529 San Mateo Lake Searsville 152 Comment
  UC165612  Trifolium ciliolatum J. Burtt Davy 1893-6-17 775 San Mateo Belmont Comment
  JROH2261  Trifolium depauperatum var. amplectens John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR101649  Trifolium dubium George K. Helmkamp, E. A. Helmkamp 1998-5-16 3744 San Mateo Portola Valley, Golden Hills Rd along Los Trancos Creek 107 Comment
  CHSC39833  Trifolium fucatum Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  JEPS101282  Trifolium fucatum Dean W. Taylor 1991-5-20 11792 San Mateo coastal bluffs near south bank of Pescadero Creek at Highway 1 9 Comment
  JROH2292  Trifolium fucatum John H. Thomas 1974-4-25 17204 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge Comment
  JROH2294  Trifolium fucatum John Hunter Thomas 1978-4-22 19103 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2300  Trifolium fucatum John Hunter Thomas 1983-4-21 21639 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC866776  Trifolium fucatum Alice Eastwood 1915-6-13 4720 San Mateo Granada Comment
  POM216312  Trifolium fucatum var. fucatum D. D. Keck 1933-5-11 2295 San Mateo Montara Light House and Radio Station. 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
  JROH2313  Trifolium glomeratum Ann Lambrecht 2006-4-24 24 San Mateo Jasper Ridge Biological Preserve, Stanford University; roadside, N side of Road A, in old seven acre lease lot Comment
  UC165628  Trifolium gracilentum J. Burtt Davy 1895-1 1026 San Mateo Pilarcitos Comment
  JROH2315  Trifolium gracilentum Ynez Henderson 1920-4-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lake Comment
  JROH2325  Trifolium hirtum John Hunter Thomas 1985-5-2 23578 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC311115  Trifolium microcephalum A. D. E. Elmer April, 1903 4856 San Mateo Portola Comment
  UC575704  Trifolium microcephalum Lewis S. Rose 1935-5-1 35139 San Mateo Belmont Comment
  UC555600  Trifolium microcephalum Herbert L. Mason 1927-4-23 3679 San Mateo summit of rd from La Honda to Pescadero Creek Comment
  SJSU15436  Trifolium microdon Toni Corelli 2010-5-13 619 San Mateo Pedro Point Headlands, Pacifica, CA, along South Ridge Trail 180 Comment
  SEINET12157236  Trifolium microdon Unknown 1932-1 9121 San Mateo Bluffs Half Moon Bay Comment
  UCSC006035  Trifolium microdon Randall Morgan 1996-5-24 2965 San Mateo Pacifica, San Pedro Mtn. Comment
  UCSC006059  Trifolium oliganthum Randall Morgan 1996-5-24 2972 San Mateo Pescadero Creek Comment
  SEINET10630892  Trifolium pratense Robert A. Norris 1977-5-2 Norris 3567 San Mateo In disturbed soil on gravelly bank by Interstate Hwy. 280, just S of Farmhill Blvd. Exit, Woodside, San Mateo Co., California. Comment
  UCSC008441  Trifolium suffocatum Randall Morgan 2013-5-24 5529 San Mateo About 100 feet up the trail from parking area, Bean Hollow State Beach Comment
  HSC1863  Trifolium variegatum J. Wendell Howe 1930-4-11 San Mateo Menlo Park Comment
  POM20412  Trifolium variegatum var. melananthum A. D. E. Elmer 1903-05 4685 San Mateo Portola. Comment
  UC165542  Trifolium variegatum var. variegatum J. Burtt Davy 1893-6-22 838 San Mateo Lake Pilarcitos Comment
  CDA28079  Trifolium willdenovii D. G. Kelch 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  JROH2413  Trifolium willdenovii John Hunter Thomas 1988-5-3 24446 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2415  Trifolium willdenovii John Hunter Thomas 1991-4-11 24985 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  RSA46808  Trifolium willdenovii Doris K. Kildale 1929-6-19 8010 San Mateo 1.5 miles from La Honda. Comment
  CAS-BOT-BC157969  Trifolium wormskioldii Peter Rubtzoff 1978-5-5 9166 San Mateo San Bruno Mountains. Saddle area on N side of Guadalupe Canyon Parkway west of Radio Road junction, upper part of East Fork Colma Creek Canyon Comment
  SJSU118  Triglochin scilloides C. D. Duncan 1931-5-11 San Mateo San Mateo Comment
  CHSC25136  Trillium chloropetalum R. N. Bowman 1971-4-5 4 San Mateo Ca. 1.6 mi. E. of Hwy. 1 on Gazos Creek rd., ca. 5 yards down wooded embankment along S. side of rd. 18 Comment
  JROH4722  Trillium chloropetalum John H. Thomas 1964-4-19 10330 San Mateo Jasper Ridge Biological Preserve, Stanford University. Area below dam in among redwoods near creek Comment
  JROH4724  Trillium chloropetalum John H. Thomas 1971-4-3 15747 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  CDA39377  Trillium chloropetalum A. C. Browne 1950-3-27 72 San Mateo Jasper Ridge. 0 Comment
  CAS-BOT-BC521070  Trillium chloropetalum var. giganteum C. F. Leithold 1894-2-24 s.n. San Mateo Santa Cruz Peninsula: Woodside Hills 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
  CAS-BOT-BC133435  Trillium ovatum John Thomas Howell 1924-2-23 267 San Mateo King Mountain Comment
  CAS-BOT-BC133447  Trillium ovatum Elmer I. Applegate 1895-3-9 43 San Mateo Near Woodside Comment
  RSA378207  Trillium ovatum A. C. Life 1924-2-22 s.n. San Mateo Kings Mountain, Redwood Park. Comment
  SEINET8502272  Trillium ovatum R. L. Oliver 1976-4-18 s.n. San Mateo San Mateo Memorial Park, La Honda. Comment
  UC1537446  Triphysaria eriantha subsp. eriantha Gordon H. True Jr. 1936-6-7 487 San Mateo slong coast highway 2 mi s Pescadero 15 Comment
  JEPS10697  Triphysaria eriantha subsp. rosea W. L. Jepson 1921-4-3 9117 San Mateo near Colma (Colma Canyon); Colma Canyon Comment
  CAS-BOT-BC238558  Triphysaria floribunda Alice Eastwood 1915-5-6 s.n. San Mateo Burlingame Comment
  CAS-BOT-BC238559  Triphysaria floribunda John Thomas Howell 1933-5-26 11346 San Mateo Crystal Springs Lake Comment
  UC27202  Triphysaria floribunda J. Burtt Davy 1895-4-20 1028 San Mateo Millbrae 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
  JROH4134  Triphysaria pusilla John H. Thomas 1961-4-8 9076 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4138  Triphysaria pusilla John H. Thomas 1971-4-10 15753 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4141  Triphysaria pusilla John Hunter Thomas 1978-4-20 19092 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET7067219  Triphysaria pusilla A. G. Vestal 1947-5-10 s.n. San Mateo Up east side of Jasper Ridge. Coordinate datum: NAD27. UTM Zone 10, 568517mE, 4140222mN. Comment
  CAS-BOT-BC200079  Trisetum canescens George Oberlander 1950-5-28 989 San Mateo San Francisco Watershed Reserve, south boundary Comment
  UCSB811  Triteleia hyacinthina Haller, John 1950-4-26 San Mateo 2 miles northwest of Stanford University, along road to woodside Comment
  RSA18305  Triteleia laxa Carl B. Wolf 1927-5-31 411 San Mateo North end of Searsville Lake. Comment
  CAS-BOT-BC526369  Triteleia laxa Elizabeth McClintock; Walter Knight; Irja Knight; Baki Kasapligil 1967-7-18 s.n. San Mateo Colma Canyon near old quarry, San Bruno Mountain Comment
  IRVC9054  Triteleia laxa P. W. Rundel 1963-6-11 1118 San Mateo San Fransisco Bay drainage area; Old La Honda Road. Santa Cruz Mountain Range 305 Comment
  CAS-BOT-BC200487  Triticum aestivum Phillip C. Wheeler 1965-6-19 s.n. San Mateo Brisbane Lagoon Comment
  CAS-BOT-BC539287  Typha angustifolia John Rawlings; Ken Hickman 2016-7-21 1903 San Mateo Caltrans right-of-way upslope from Hwy 92 W onramp to Hwy 280 N; downslope from San Francisco Watershed fenceline 122 Comment
  RSA10402  Typha angustifolia Carl B. Wolf 1927-6-15 2168 San Mateo Along Skyline Drive, 8 mi. S of San Francisco. Comment
  CDA31313  Ulex europaeus John Beall 2009-12-16 PDR# 1527839 San Mateo Brisbane: Sierra Point Parkway, Brisbane Marina. Comment
  SBBG103948  Ulex europaeus D. Pendleton 1993-10-28 San Mateo San Bruno Mtn Park, 0.3 mi E of the park gate/parking lot on Guadalupe Cyn Parkway Comment
  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
  JROH4219  Ulmus minor John Hunter Thomas 1977-6-16 18804 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC73689  Ulmus parvifolia John Thomas Howell 1966-7-24 41997 San Mateo Burlingame - in flower beds near planed trees, Trousdale Ave. just west of El Camino Real. Comment
  CAS-BOT-BC91221  Umbellularia californica W. R. Dudley 1894-11-24 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Big Redwood, Ramsay's Place, Searsville. Comment
  JROH1291  Uropappus lindleyi John Hunter Thomas 1981-4-27 20509 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC403968  Urtica dioica subsp. gracilis L. R. Abrams 1909-8-1 4246 San Mateo Santa Cruz Peninsula. Between La Honda and Pescadero Comment
  JROH4236  Urtica dioica subsp. holosericea John H. Thomas 1964-10-2 10512 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam along stream Comment
  RSA195561  Urtica urens John H. Thomas 1967-2-9 12405 San Mateo Half Moon Bay. Near Mills St. and Purissima St. Comment
  CAS-BOT-BC199350  Vaccinium ovatum W. R. Dudley 1898-4-24 s.n. San Mateo El Corte Madera Comment
  CAS-BOT-BC199357  Vaccinium ovatum Reed C. Rollins 1942-4-30 3003 San Mateo S.E. slope of San Bruno Hills, about 1 mile west of Brisbane Comment
  CAS-BOT-BC199371  Vaccinium ovatum A. D. E. Elmer 1903-4-1 4561 San Mateo King's [Kings] Mountain Comment
  JEPS58746  Vaccinium ovatum A. D. E. Elmer Apr 1903 4561 San Mateo Kings Mountain Comment
  JEPS85569  Vaccinium ovatum Craig Dremann 1986-8-30 329 San Mateo entrance to Memorial Park, off Pescadero road Loma Mar Comment
  POM131827  Vaccinium ovatum Edward L. Greene 1902-1-15 242 San Mateo West side King's Mountain. Comment
  RSA437094  Vaccinium ovatum Lyman Benson 1929-3-5 797 San Mateo Summit of King's Mountain. Comment
Read comments
Jan 22 2015
  SEINET11972531  Vaccinium ovatum G. A. McCallum 1933-1 s.n. San Mateo near La Honda grade Comment
  JEPS90930  Vaccinium ovatum var. ovatum Dean W. Taylor 1988-4-29 9587 San Mateo n slope of San Bruno Mountain 0.3 mi n(22d)w of summit, summit of small hill (local botaniceal placename of Kamchatka Point), Santa Cruz Mountains San Bruno Mountain; Santa Cruz Mountains, San Bruno Mountain 371 Comment
  CAS-BOT-BC76148  Vancouveria planipetala D. D. Davis 1903-5-2 s.n. San Mateo Near Iverson's on Pescadero Creek. Comment
  JROH4265  Verbena lasiostachys var. lasiostachys John H. Thomas 1978-5-23 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4277  Verbena lasiostachys var. scabrida John H. Thomas 1974-10-26 17626 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC306601  Veronica peregrina subsp. xalapensis A. D. E. Elmer June, 1903 4268 San Mateo Crystal Springs Lake 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
  RSA187258  Veronica persica Mary Helen Kenson 1956-4-21 133 San Mateo At 347 Alberta Way, Hillsborough, 1 mile from Skyline Blvd. Comment
  JROH2425  Vicia americana subsp. americana Toni Corelli 2010-4-29 365 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 5 uphill 86 Comment
  JROH2426  Vicia benghalensis John Hunter Thomas 1977-6-16 18797 -1 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR101650  Vicia sativa George K. Helmkamp, E. A. Helmkamp 1998-5-16 3749 San Mateo Portola Valley, Golden Hills Rd along Los Trancos Creek 107 Comment
  CAS-BOT-BC173652  Vicia sativa Peter Rubtzoff 1976-5-22 8552 San Mateo Saddle area on N side of Guadalupe Canyon Parkway west of Radio Road junction, near marshy area NW of Fog Forest Comment
  UCD164333  Vicia sativa Peter Rubtzoff 1976-6-30 8709 San Mateo San Bruno Mountains. 'Saddle' area on N side of Guadalupe Canyon Parkway west of Radio Road junction, upper part of East Fork Colma Creek Canyon. Comment
  UCD108798  Vicia tetrasperma G. K. Helmkamp; E. A. Helmkamp 2001-6-2 6769 San Mateo Central CA coast: Purissima Road. E of Half Moon Bay, 1.9 miles E of CA-1. 168 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
  SEINET8912816  Vicia villosa A. D. 1974-1 San Mateo Along California 84, about 4 miles from La Hondo 366 Comment
  SFV8403  Vinca major P. Kuehn 1967-5-7 15 San Mateo Skyline Blvd, 8 miles from Half Moon Bay. 610 Comment
  CAS-BOT-BC264037  Viola adunca W. R. Dudley 1894-3-28 s.n. San Mateo Near Pebble Beach, Pescadero Comment
  CAS-BOT-BC264041  Viola adunca Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mountain. Cable Ravine, on left ridge Comment
  RSA130698  Viola adunca Roxana S. Ferris 1920-3-8 1767 San Mateo Montara Mtns vicinity of South Peak. 503 Comment
  POM135230  Viola glabella A. D. E. Elmer 1900-04 2263 San Mateo Kings Mtn. Comment
  CAS-BOT-BC536569  Viola glabella Herbert L. Mason 1927-4-23 3672 San Mateo La Honda Comment
  CAS-BOT-BC536572  Viola glabella Mrs. E. C. Sutliffe 1921-4-3 s.n. San Mateo Lake Pilarcitos Comment
  CAS-BOT-BC536828  Viola glabella Roxana S. Ferris 1921-3-20 2110 San Mateo Santa Cruz Mountain Peninsula: Pescadero Creek in canon 6 mi above Pescadero Comment
  CAS-BOT-BC536833  Viola glabella Roxana S. Ferris 1920-4-26 1961 San Mateo Santa Cruz Mountain Peninsula: near mouth of canon of Pescadero Crek 243 Comment
  CAS-BOT-BC536834  Viola glabella W. R. Dudley 1898-3-5 s.n. San Mateo Santa Cruz Mountain Peninsula: Kings Mountain Comment
  JROH4284  Viola ocellata W. R. Dudley 1893-4-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM128420  Viola ocellata L. R. Abrams 1902-3-16 2276 San Mateo Kings Mountain. Comment
  RSA412721  Viola pedunculata L. S. Rose 1941-3-20 41047 San Mateo Milbrae. 122 Comment
  POM134872  Viola sempervirens C. F. Baker 1902-1-15 232 San Mateo West side of King's Mountain Comment
  UCD111301  Viola sempervirens Janet Jacob 1951-4-1 61 San Mateo 7 miles east of Pescadero. Comment
  POM286649  Viola sempervirens Lyman D. Benson 1935-3-10 6252 San Mateo La Honda Grade. Santa Cruz mtn range, Pacific Ocean watershed. 518 Comment