Search Results — 2000 specimen records retrieved (1349 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
  UCD39013  Abronia latifolia Beecher Crampton 1962-6-11 6509 San Mateo Pacifica, Sharp Park at Mori's Point. Comment
  RSA0025756  Abronia latifolia H. A. Barker 1927-5-14 667 San Mateo North of Half Moon Bay. Comment
  UCSC004916  Abronia latifolia Monica Larenas 1985-6-1 20 San Mateo Hwy 1, 0.5 mi S of Pescadero State Beach Comment
  RSA0025967  Abronia umbellata L. S. Rose 1935-10-12 35654 San Mateo Salada. 3 Comment
  SEINET7042346  Abronia villosa A. G. Vestal 1962-3-26 s.n. San Mateo Laguna Salada. San Francisco South quadrangle UTM Zone 10, 545384mE, 4164305mN. Comment
  UCR253356  Acacia A. C. Sanders 2014-8-3 41230 San Mateo San Francisco Bay, South San Francisco, San Francisco Bay Trail in vicinity of S Airport Drive, Utah Ave., and Haskins Way, between Hwy 101 and San Francisco Bay 6 Comment
  UC1327251  Acaena pinnatifida var. californica John T. Doyen 1966-3-28 35 San Mateo San Bruno Mountains, near Radio Towers on top. Comment
  CAS-BOT-BC451120  Acaena pinnatifida var. californica W. R. Dudley 1901-5-11 s.n. San Mateo Near Colma; Santa Cruz Peninsula Comment
  POM308816  Acaena pinnatifida var. californica I. L. Wiggins 1942-5-26 10096 San Mateo 2.5 miles S of Pescaderon, on the old Coast road Comment
  JEPS81238  Acanthomintha duttonii Susan C. Sommers 1982-5-20 San Mateo Edgewood Park Comment
  UC311537  Acanthomintha duttonii A. D. E. Elmer May, 1903 4538 San Mateo Crystal Springs Lake Comment
  RSA18365  Acanthomintha obovata subsp. duttonii Carl B. Wolf 1929-5-24 3723 San Mateo upper Emeral Lake, Back of Redwood City Comment
  CAS-BOT-BC333295  Acer macrophyllum Margaret A. Barry 1938-4-21 236 San Mateo Los Trancos Creek near Coal Mine Ridge Comment
  JROH155  Acer macrophyllum John H. Thomas 1971-4-25 15786 San Mateo Jasper Ridge Biological Preserve, Stanford University 92 Comment
  JROH158  Acer macrophyllum John H. Thomas 1975-6-5 17948 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below Searsville Dam 91 Comment
  JROH161  Acer macrophyllum John Hunter Thomas 1988-4-7 24380 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam; above San Francisquito Creek 87 Comment
  SJSU10875  Acer macrophyllum E. C. Garbett 1960-4-13 San Mateo Corte Madera Creek, Alpine Rd Comment
  JROH167  Acer negundo John H. Thomas 1968-3-17 14175 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake 106 Comment
  HSC2819  Acer negundo var. californicum P. A. Murphy 1965-4-15 22 San Mateo On San Mateo Rd. 2 mi. from Hillsbrough city limits Comment
  CHSC25966  Achillea millefolium S. Villard 1974-4-28 6 San Mateo Found on King's Mt. Rd. at intersection with Jocellyn Lane in Woodside. 45 Comment
  JROH455  Achyrachaena mollis Arthur Spiegler 1952-5-10 70 San Mateo Jasper Ridge Biological Preserve, Stanford University; north of Searsville Lake Comment
  JROH458  Achyrachaena mollis John H. Thomas 1961-4-8 9071 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
  JROH467  Achyrachaena mollis John Hunter Thomas 1980-5-8 19943 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH475  Achyrachaena mollis John Hunter Thomas 1988-5-3 24447 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2062  Acmispon americanus var. americanus John Hunter Thomas 1983-5-23 22245 San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack side and low-flow crossing Comment
  SJSU7494  Acmispon americanus var. americanus L. S. Rose 1964-9-5 64071 San Mateo Emerald L W of Redwood City 243 Comment
  SD37934  Acmispon brachycarpus Cummings, McCallum 1933-5-10 3697 San Mateo Hill on back of of Stanford campus. Comment
  JROH2084  Acmispon wrangelianus John H. Thomas 1955-5-6 4991 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2090  Acmispon wrangelianus Duncan M. Porter 1960-5-5 688 San Mateo Jasper Ridge Biological Preserve, Stanford University; meadow near crest of N-facing slope above Webb Ranch. Quadrat H-6 Comment
  JROH2093  Acmispon wrangelianus John H. Thomas 1966-4-24 11578 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD104489  Acmispon wrangelianus Adeline Frederick 1924-2-24 s.n. San Mateo Road from Millbrae to Lake San Andreas. Comment
  CAS-BOT-BC391674  Actaea rubra A. D. E. Elmer 1903-5-1 4703 San Mateo Butano Creek Comment
  CAS-BOT-BC391677  Actaea rubra W. R. Dudley 1894-3-26 s.n. San Mateo Santa Cruz Peninsula. By road halfway between Pescadero and San Gregorio Comment
  CAS-BOT-BC391680  Actaea rubra George Oberlander 1949-6-25 237 San Mateo San Francisco Watershed Reserve. Near San Andreas Lake Comment
  POM270478  Actaea rubra subsp. arguta Lyman Benson 1937-7-15 8450 San Mateo Upper San Francisquito Creek, Santa Cruz Mountains; San Francisco Bay watershed. 244 Comment
  SDSU2646  Adelinia grandis D. F. Howe 1967-4-14 4349 San Mateo San Francisco Game Reserve near San Bruno. 91 Comment
  SEINET8382562  Adelinia grandis L. E. Detling 1933-3-30 1121 San Mateo Skyline Blvd; [State Highway 35]. Comment
  JROH478  Adenocaulon bicolor Volney Rattan 1867-5-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Comment
  CAS-BOT-BC139955  Adenostoma fasciculatum John H. Thomas 1971-5-2 15864 San Mateo Near intersection of Canada and Edgewater {Edgewood] roads, about 4 miles SW of center of Redwood City 304 Comment
  CAS-BOT-BC139999  Adenostoma fasciculatum Fred Hemphill 1973-5-14 842 San Mateo San Carlos, area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC65515  Adiantum aleuticum George Oberlander 1950-3-11 440 San Mateo Pilarcitos Canyon Comment
  IRVC14117  Adiantum aleuticum B. T. Gittins 1966-8-23 1614 San Mateo About 2 miles E of junction Alpine Road with La Honda Road. Comment
  CAS-BOT-BC65671  Adiantum jordanii Margaret Barry 1937-5-15 139 San Mateo Coal Mine Ridge Comment
  JROH5909  Adiantum jordanii M. Ray 1982-5-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail along San Francisquito Creek, near Redwood Grove Comment
  RSA0030869  Adiantum jordanii Deb Annuschka 1989-8-4 337 San Mateo Isenberg Ranch. Comment
  LA16623  Aesculus californica C. B. Wolf; 1934-11-13 6242 San Mateo Menlo Park, at Cambridge Ave. & Cornell Rd., NW of San Francisquito Creek 15 Comment
  RSA18303  Aesculus californica Carl B. Wolf 1927-5-31 413 San Mateo North end of Searsville Lake. Comment
  CAS-BOT-BC29526  Agoseris apargioides W. R. Dudley 1896-11-15 s.n. San Mateo Near shore, Spanishtown Comment
  RSA292572  Agoseris grandiflora Lyman Benson 1935-5-12 6553 San Mateo Menlo Park 30 Comment
  CAS-BOT-BC23020  Agoseris grandiflora var. grandiflora Alice Eastwood 1915-6-13 4718 San Mateo Granada Comment
  CAS-BOT-BC23024  Agoseris grandiflora var. grandiflora A. D. E. Elmer 1903-4-1 4490 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC23017  Agoseris grandiflora var. grandiflora A. G. Vestal 1926-5-29 s.n. San Mateo San Bruno Mt north end Comment
  CAS-BOT-BC23018  Agoseris grandiflora var. grandiflora W. R. Dudley 1894-4-21 s.n. San Mateo San Mateo ravine Comment
  JROH486  Agoseris heterophylla S. J. McNaughton 1966-3 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Ehrlich's Area H Comment
  JROH490  Agoseris heterophylla John H. Thomas 1971-4-10 15758 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC46173  Agoseris heterophylla John H. Thomas 1971-5-2 15816 San Mateo Near intersection of Canada Road and Edgewater [sic]Road, about three miles westward from Redwood City 152 Comment
  CAS-BOT-BC15239  Agoseris hirsuta Josephine D. Randall 1907-11-9 s.n. San Mateo Alpine road to Black Mountain Comment
  RSA116647  Agoseris hirsuta W. R. Dudley 1893-5-17 s.n. San Mateo Back of Millbrae Comment
  RSA416446  Agoseris hirsuta Edith A. Purer 1933-8-25 5515 San Mateo Sand dunes, near Skyline Drive Comment
  UC29336  Agoseris hirsuta Michener and Bioletti 1892-5-1 San Mateo Comment
  UC311237  Agoseris hirsuta A. D. E. Elmer 1903-4-1 4930 San Mateo Comment
  SEINET7295889 Image available Agrostis alba Malcolm A. Nobs, S. Galen Smith 1949-1 1550 San Mateo Marshes at Sharp Park Comment
  CDA1702  Agrostis capillaris J. T. Howell 1975-9-25 51509 San Mateo San Bruno Mountain 0 Comment
  UCD51853  Agrostis capillaris var. aristata John Thomas Howell 1975-9-25 51509 San Mateo San Bruno Mountain. Comment
  CAS-BOT-BC127465  Agrostis densiflora Beecher Crampton 1957-6-9 4166 San Mateo State Highway 1, ca. 5-6 miles south of San Francisco. Comment
  UCD52000  Agrostis densiflora Beecher Crampton 1962-6-11 6489 San Mateo northern city limits of Pacifica, State Hwy. 1 just s.w. of its junction with Skyline Blvd. Comment
  POM199091  Agrostis hallii A. D. E. Elmer 1903-06 4264 San Mateo Alpine School House. Comment
  SEINET7594094 Image available Agrostis microphylla E. B. Copeland 1903-1 3308 San Mateo Montara Point Comment
  SEINET11673837  Agrostis pallens H. E. Weiser 1932-1 s.n. San Mateo Black Mtn Road, Hillsborough Hills, near Burlingame Comment
  JROH4804  Agrostis stolonifera John Rawlings 2004-11-10 1001 San Mateo Jasper Ridge Biological Preserve, Stanford University. West end of Leonard's bridge, to right as one steps onto bridge, at base of bridge. 107 Comment
  RSA290667  Agrostis stolonifera Lyman Benson 1937-7-20 8462 San Mateo Menlo Park, San Francisco Bay. Lawn at 736 Partridge Ave. 30 Comment
  CAS-BOT-BC138567  Agrostis variabilis W. R. Dudley 1894-7-7 s.n. San Mateo By spring and watering trough halfway up Bear Gulch Road. Comment
  JROH4156  Ailanthus altissima John H. Thomas 1980-11-18 20172 San Mateo Jasper Ridge Biological Preserve, Stanford University 98 Comment
  JROH4833  Aira caryophyllea John Hunter Thomas 1988-4-28 24421 San Mateo Jasper Ridge Biological Preserve, Stanford University 160 Comment
  RSA187472  Aira caryophyllea John H. Thomas 1965-4-29 10614 San Mateo San Bruno Mountain in northern part of county. 305 Comment
  CAS-BOT-BC138232  Aira caryophyllea var. caryophyllea A. D. E. Elmer 1903-5-1 4705 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC138240  Aira caryophyllea var. caryophyllea Margaret A. Barry 1937-5-15 105 San Mateo Coal Mine Ridge. Comment
  POM296481B  Alisma triviale Lyman Benson 1931-5-29 2810 San Mateo Santa Cruz Mt. range, Lake Searsville River. 244 Comment
  CAS-BOT-BC467295  Allium dichlamydeum J. Ed. McClellan; Bonnie McClellan 1968-6-1 s.n. San Mateo Ocean bluff at Pigeon Point Comment
  POM169881  Allium falcifolium A. D. E. Elmer 1903-06 4831 San Mateo Crystal Springs Lake. Comment
  RSA52685  Allium falcifolium I. L. Wiggins 1949-4-23 12049 San Mateo Near Emerald Lakes, west of Redwood City. Comment
  UC766745  Allium falcifolium R. F. Hoover 1941-4-23 4907 San Mateo Redwood City hills Comment
  CAS-BOT-BC469033  Allium falcifolium G. C. Kimber; Lucile Roush 1918-4-11 s.n. San Mateo Jasper Ridge; Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC469036  Allium falcifolium A. D. E. Elmer 1903-6-1 4831 San Mateo Crystal Springs Lake Comment
  SEINET3558047 Image available Allium lacunosum Lewis S. Rose 1932-5-3 32223 San Mateo Redwood City. 183 Comment
  JROH5786  Allium lacunosum var. lacunosum John Rawlings 2016-5-3 1775 San Mateo Jasper Ridge Biological Preserve, Stanford University; bare, rocky, sepentinite bordering small drainage west of Rd F in Area C. 170 Comment
  POM196559  Allium lacunosum var. lacunosum H. L. Mason 1921-5-13 s.n. San Mateo Jasper Ridge near Sand Hill Caves Comment
  CAS-BOT-BC132027  Allium peninsulare var. franciscanum A. A. Heller 1907-5-23 8564 San Mateo Back of San Mateo on the Half Moon Bay road Comment
  CAS-BOT-BC474306  Allium unifolium L. R. Abrams 1922-5-25 s.n. San Mateo Emerald Lake, back of Redwood City Comment
  SEINET12036414  Alnus rhombifolia Unknown 1932-10-17 7297 San Mateo near Searsville Lake Comment
  POM192775  Alnus rubra L. R. Abrams 1907-08 s.n. San Mateo Near Pescadero on road to Half-Moon Bay. Comment
  RSA177003  Amaranthus albus John H. Thomas 1964-11-15 10522 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto Comment
  JROH175  Amaranthus albus John H. Thomas 1974-10-29 17650 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC135837  Amaranthus californicus C. F. Baker 1902-10-20 1855 San Mateo Searsville Comment
  UCR266159  Amaranthus deflexus A. C. Sanders 2015-12-27 41888 San Mateo San Francisco Peninsula, San Bruno, along Hwy 82 between 380 Fwy and San Bruno Ave. 15 Comment
  SJSU7593  Amaranthus deflexus C. A. Staicer 1976-9-26 San Mateo 91 Atherton Lane, Atherton Comment
  JROH178  Amaranthus retroflexus John H. Thomas 1974-10-29 17651 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC44924  Ambrosia chamissonis Walter Knight; Irja Knight 1964-9-2 s.n. San Mateo Point San Bruno Comment
  SEINET11855119  Ambrosia chamissonis E. H. Graham 1931-1 6941 San Mateo Ano Nuevo Pt. S of San Francisco Comment
  CAS-BOT-BC136832  Amelanchier utahensis Elizabeth McClintock; Phillip Wheeler 1967-5-14 s.n. San Mateo Vicinity of fence separating Brisbane from Crocker Estate portion of mountain Comment
  JROH3596  Amelanchier utahensis John H. Thomas 1980-5-6 19935 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1341  Amsinckia intermedia John Hunter Thomas 1983-4-5 21321 San Mateo Jasper Ridge Biological Preserve, Stanford University; low-flow crossing Comment
  JROH1356  Amsinckia intermedia H. J. Dengler 1972-4-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; in the field by Sand Hill Road opposite Whiskey Hill Road Comment
  JEPS90282  Amsinckia lunaris Dean W. Taylor 1994-5-10 14276 B San Mateo along Crystal Springs Road 0.3 mi e of junction of Tartan Trail (Santa Cruz Mountains, San Mateo Creek drainage); Santa Cruz Mountains, San Mateo Creek drainage 67 Comment
  UCD78151  Amsinckia lunaris Robert E. Preston 2008-4-3 2603 San Mateo Near Lower Crystal Springs Reservoir, ca. 200 ft E of Sawyer Camp Trail, 0.5 mi NNE of its jct with Skyline Blvd 109 Comment
  RSA88321  Amsinckia spectabilis Alice Eastwood 1915-6-13 4723 San Mateo Granada. Comment
  SEINET7062815  Amsinckia spectabilis A. G. Vestal 1937-6-15 s.n. San Mateo Pebble Beach west of Pescadero. UTM Zone 10, 551765mE, 4121313mN. (WGS84/NAD83). 0 Comment
  UC24623  Amsinckia spectabilis Alice Eastwood April 1896 San Mateo Crystal Springs Comment
  RSA18466  Anagallis arvensis Carl B. Wolf 1927-6-29 542 San Mateo South of Pebble Beach near Pescadero. Comment
  CAS-BOT-BC45181  Anaphalis margaritacea John Hunter Thomas 1963-9-11 10265 San Mateo San Bruno Mountain, in northern part of country 396 Comment
  CAS-BOT-BC45193  Anaphalis margaritacea Josephine D. Randall 1907-7-28 45 San Mateo Iverson's near Pescadero Creek Comment
  CAS-BOT-BC45186  Anaphalis margaritacea Phillip Wheeler 1965-5-23 s.n. San Mateo San Bruno Mountain, NW Radio Road Comment
  UCD128852  Anaphalis margaritacea J. M Tucker 1951-8-6 2220 San Mateo M. R. Mattei Ranch, ca. 1.5 miles northeast of Pescadero. Comment
  POM148966  Anemone grayi A. D. E. Elmer 1903-04 4844 San Mateo Kings Mtn. Comment
  SEINET12087662  Anemone grayi L. S. Rose 1931-1 s.n. San Mateo Kings Mountain Comment
  CAS-BOT-BC221452  Angelica hendersonii Lewis S. Rose 1937-9-5 37647 San Mateo Mussel Rocks 60 Comment
  UC1400348  Angelica hendersonii Robert F. Thorne and P. Everett 1965-8-1 35077 San Mateo 21.5 mi s of Golden Gate Bridge 68 Comment
  JROH190  Angelica tomentosa John Hunter Thomas 1989-6-17 24776 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC306529  Angelica tomentosa A. D. E. Elmer July, 1903 4998 San Mateo southern end of Crystal Springs Lake Crystal Springs Lake Comment
  CAS-BOT-BC273181  Anisocarpus madioides Josephine D. Randall 1907-6-29 91 San Mateo Santa Cruz Peninsula. Portola Valley Comment
  CAS-BOT-BC273189  Anisocarpus madioides L. S. Rose 1941-7-2 41287 San Mateo Kings Mountain 540 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
  JROH499  Anthemis cotula John H. Thomas 1974-6-27 17453 San Mateo Jasper Ridge Biological Preserve, Stanford University; near the low flow crossing below Searsville Dam Comment
  UCSC000808  Anthemis cotula G. E. Sindel 1935-7-25 312 San Mateo 0.25 mile W. of Pescadero Pescadero - Santa CruzQuadrangle 15 Comment
  CAS-BOT-BC280637  Anthoxanthum occidentale C. F. B. 1902-1-15 247 San Mateo West side King's Mountain Comment
  CAS-BOT-BC280642  Anthoxanthum occidentale W. R. Dudley 1903-5-2 s.n. San Mateo Santa Cruz Mountain Peninsula. Moore's Place, Pescadero Creek Comment
  JROH199  Anthriscus caucalis John H. Thomas 1974-5-3 17242 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS5265  Antirrhinum kelloggii R. F. Hoover 1941-4-23 4905 San Mateo Redwood City hills Redwood City Comment
  JROH3599  Aphanes occidentalis John H. Thomas 1961-4-29 9181 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC306538  Apiastrum angustifolium A. D. E. Elmer June, 1903 4461 San Mateo southern end of Crystal Springs Lake Crystal Springs Lake Comment
  CAS-BOT-BC451567  Aponogeton distachyos Peter H. Raven 1967-2-18 20829 San Mateo On east side of State Highway 5, 4.6 miles south of southern boundary of San Francisco. Comment
  RSA201193  Aponogeton distachyos Peter Rubtzoff 1955-4-2 1767 San Mateo Skyline Blvd. near the junction of Chinese Cemetery Road. Comment
  UC311123  Aquilegia eximia A. D. E. Elmer 1903-1 4952 San Mateo Crystal Springs Lake Comment
  UC1537326  Aquilegia formosa Gordon H. True Jr. 1936-4-5 388 San Mateo canyon betw san Gregorio adn Pescadero 152 Comment
  CAS-BOT-BC17328  Arabis blepharophylla A. D. E. Elmer 1903-4-1 4936 San Mateo Santa Cruz Peninsula. San Bruno Hills. Comment
  CAS-BOT-BC17330  Arabis blepharophylla Lewis S. Rose 1933-3-19 33027 San Mateo South San Francisco. Comment
  CAS-BOT-BC17334  Arabis blepharophylla Peter H. Raven 1967-2-18 20828 San Mateo Off Crocker Avenue, Daly City, just south of San Francisco County Line. Comment
  POM143334  Arabis blepharophylla A. D. E. Elmer 1903-04 4936 San Mateo San Bruno Hills Comment
  UC311117  Arabis blepharophylla A. D. E. Elmer Apr 1903 4936 San Mateo San Bruno Hills Comment
  RSA0125533  Arabis blepharophylla D. W. Taylor 1988-3-30 9477 San Mateo San Bruno Mountain, northern slope of southeast ridge of the mountain, near the ridgecrest. Right-of-way of eastern-most set of PGandE high-voltage powerlines crossing the mountain. 237 Comment
  RSA0125754  Arabis glabra John F. Emmel 1972-4-2 398 San Mateo 0.5 air mile SW of 1314 summit, along SW base of San Bruno Mts. 168 Comment
  CAS-BOT-BC128626  Arbutus menziesii Elmer I. Applegate 1895-3-9 315 San Mateo Woodside Comment
  CAS-BOT-BC128673  Arbutus menziesii B. Bartholomew; L. R. Landrum; H. W. Li; T. S. Ying 1985-11-6 3676 San Mateo Just S of the juction of State Highway 35 with La Honda Road 460 Comment
  JROH1917  Arbutus menziesii John H. Thomas 1967-4-20 12711 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1920  Arbutus menziesii John H. Thomas 1974-5-29 17397 San Mateo Jasper Ridge Biological Preserve, Stanford University; near riders' shack Comment
  JEPS27360  Arctostaphylos Rimo Bacigalupi with Jim Roof and L. Heckard 1961-4-24 7620 San Mateo lateral ridge below and se end of ridgetop road just east of KRON TV tower and station (on Guadalupe Valley side of mt.); San Bruno Mountain 304 Comment
  SEINET11989289  Arctostaphylos S. W. Edwards 1982-1 s.n. San Mateo Foothill Park Comment
  SEINET11989292  Arctostaphylos S. W. Edwards 1982-1 s.n. San Mateo Foothill Park Comment
  UCD50393  Arctostaphylos andersonii Robert E. Preston 2001-6-11 1540 San Mateo Butano Ridge. 658 Comment
  SEINET11987130  Arctostaphylos andersonii var. imbricata W. Knight, Knight, I. 1980-1 3828 San Mateo Tilden Botanic Garden, Berkeley, originally from windswept San Bruno Mountain 305 Comment
  CAS-BOT-BC23503  Arctostaphylos crustacea Roxana S. Ferris 1918-3-27 738 San Mateo La Honda Road Comment
  CAS-BOT-BC23513  Arctostaphylos crustacea Robert Francis Hoover 1941-2-12 4769 San Mateo King's Mountain Comment
  CAS-BOT-BC23548  Arctostaphylos crustacea Robert Francis Hoover 1941-2-12 4763 San Mateo Northwest of Saratoga Summit Comment
  SEINET2030220 Image available Arctostaphylos crustacea L. S. Rose 1942-3-30 42007 San Mateo Kings Mountain. Type locality 600 Comment
  JROH1923  Arctostaphylos crustacea subsp. crustacea L. R. Abrams 1910-8-14 4991 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1932  Arctostaphylos crustacea subsp. crustacea John H. Thomas 1970-7-5 15665 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1935  Arctostaphylos crustacea subsp. crustacea John H. Thomas 1975-1-18 17675 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville end of ridge Comment
  JROH5915  Arctostaphylos crustacea subsp. crustacea John Rawlings 2017-1-25 1956 San Mateo Jasper Ridge Biological Preserve, Stanford University; north side of Road F, 49 m south of its intersection with roads D and E Comment
  OBI14494  Arctostaphylos crustacea subsp. crustacea E. K. Balls 1948-3-19 7870 San Mateo 2 mi N of S end of State rte 5 305 Comment
  RSA681637  Arctostaphylos densiflora Annuschka Deb 1989-1-27 5 San Mateo Woodside. Comment
  SJSU6083  Arctostaphylos glandulosa S. H. Casey 1969-5-18 259 San Mateo near summit of San Bruno Mt Comment
  JEPS48588  Arctostaphylos glandulosa subsp. glandulosa James G. Daly 1934-1-1 572 San Mateo Sierra Morena Santa Cruz Mts., San Gregorio Watershed (sw San Mateo Co.) Comment
Read comments
Feb 5 2016
  CAS-BOT-BC24485  Arctostaphylos imbricata Arthur L. Menzies 1962-2-25 s.n. San Mateo San Bruno Mt. Comment
  CAS-BOT-BC24497  Arctostaphylos imbricata Peter H. Raven 1950-2-25 1383 San Mateo W. end of ridge behind NBC station, San Bruno Mtns. 457 Comment
  CAS-BOT-BC24498  Arctostaphylos imbricata Lewis S. Rose 1955-2-23 55002 San Mateo San Bruno Hills. Ridge e. of TV Station. Type Locality. Comment
  CAS-BOT-BC24500  Arctostaphylos imbricata James B. Roof 1961-4-18 s.n. San Mateo From ne. face of San Bruno Mountain, northern San Mateo Co. 335 Comment
  RSA166365  Arctostaphylos imbricata R. F. Thorne, Percy C. Everett, K. Thorne 1963-6-9 322256 San Mateo On top of San Bruno Mt. Near the TV tower 335 Comment
  SBBG32379  Arctostaphylos imbricata L. S. Rose 1961-3-2 61014 San Mateo San Bruno Hills 365 Comment
  CAS-BOT-BC27160  Arctostaphylos montaraensis W. Knight; Irja Knight 1967-1-19 2056 San Mateo Montara Mt. 335 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
  JEPS108597  Arctostaphylos montaraensis R. Raiche 1984-1-27 San Mateo Montara Mountain Comment
  RSA167727  Arctostaphylos montaraensis R. F. Thorne, Percy C. Everett 1963-6-9 32224 San Mateo On top of San Bruno Mountain on Kamchatka Point near the TV tower 335 Comment
Read comments
Mar 14 2016
  RSA364238  Arctostaphylos montaraensis Walter Knight, P. V. Wells 1986-1-3 5373 San Mateo San Bruno Mountain 342 Comment
  UC21805  Arctostaphylos montaraensis C. T. Blake 1893-5-27 San Mateo Pilarcitos Reservoir Comment
  UCSC010735  Arctostaphylos montaraensis Rick Flores, Monica Schuster 2006-1 RF 152 San Mateo San Bruno and Mantara Mountains Comment
  SEINET11987328  Arctostaphylos montaraensis J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4203 San Mateo Strybing Arboretum, San Fran., Golden Gate Park, orig. few yds NE of Pacific Rock on San Bruno Mt Comment
  UC202540  Arctostaphylos nummularia W. R. Dudley 1899-1-2 San Mateo on hills between Butano Creek and Little Butano Creek Comment
  CAS-BOT-BC44701  Arctostaphylos regismontana A. D. E. Elmer 1903-3-1 4537 San Mateo Kings Mt. Comment
  CAS-BOT-BC44706  Arctostaphylos regismontana Lewis S. Rose 1955-2-21 55001 San Mateo Kings Mountain 609 Comment
  POM367226  Arctostaphylos regismontana E. C. Sutliffe 1934-2-2 s.n. San Mateo Kings Mountain. Comment
  RSA141485  Arctostaphylos regismontana B. O. Schreiber 1938-10-16 2564 San Mateo On Kings Mountain. 609 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
  SBBG39533  Arctostaphylos regismontana L. S. Rose 1970-1-30 70001 San Mateo King's Mtn, Santa Cruz Mtns 609 Comment
  UC565403  Arctostaphylos regismontana Charles M. Belshaw 1936-1-25 1466 San Mateo Kings Mountain road 4.7 mi w Woodside; South Coast Range Comment
  UC750515  Arctostaphylos regismontana Lewis S. Rose 1947-3-11 47028 San Mateo type locality Kings Mountain 609 Comment
  CAS-BOT-BC44736  Arctostaphylos regismontana Robert F. Hoover 1941-2-12 4768 San Mateo King's Mountain Comment
  CAS-BOT-BC44745  Arctostaphylos regismontana W. R. Dudley 1900-5-16 s.n. San Mateo On stage road from King's Mt. to Spanishstown Comment
  CAS-BOT-BC44671  Arctostaphylos sensitiva W. R. Dudley 1899-1-2 s.n. San Mateo On dry hills between Butano Cr. and Little Butano Cr. - Santa Cruz Mountain Peninsula Comment
  JEPS48592  Arctostaphylos tomentosa subsp. crustacea James G. Daly 1934-1 580 San Mateo San Gregorio watershed Santa Cruz Mts. Comment
  UC1120136  Arctostaphylos tomentosa subsp. crustacea C. M. Belshaw 1935-1-25 1464 San Mateo 4.5 mi w Woodside; Santa Cruz Quadrangle Comment
  UC702542  Arctostaphylos tomentosa subsp. crustacea L. S. Rose 1942-3-30 42007 San Mateo Kings Mountain Kings Mountain (type locality) 600 Comment
  SEINET11989278  Arctostaphylos tomentosa var. tomentosiformis Unknown 1966-1 739 San Mateo ca 0.4 mi NE of Peak Mountain of Montara Mountain range 488 Comment
  CAS-BOT-BC46825  Arctostaphylos uva-ursi Arthur L. Menzies 1963-3-10 s.n. San Mateo San Bruno Hills Comment
  JEPS108602  Arctostaphylos uva-ursi J. Roof San Mateo San Bruno Mountain, Powerline Ridge Comment
  UCD52146  Arctostaphylos uva-ursi Walter and Irja Knight; Elizabeth McClintock 1981-7-3 4492 San Mateo Near rocky outcrop at Kamchatka Point, San Bruno Mountain. San Mateo County. Comment
  UCD52149  Arctostaphylos uva-ursi Walter and Irja Knight; Elizabeth McClintock 1982-3-27 4494 San Mateo Kamchatka Point, San Bruno Mountain. San Mateo County. 320 Comment
  UCD52151  Arctostaphylos uva-ursi Walter and Irja Knight; Robert and Janet Blomquist 1981-7-3 4426 San Mateo Kamchatka Point, San Bruno Mt., San Mateo County, California. Comment
  RSA0077993  Arctostaphylos uva-ursi B. A. Stein 1981-2-22 421 San Mateo San Bruno Mountain, just E of summit. 396 Comment
  RSA0008939  Arctostaphylos viscida subsp. viscida Edward L. Greene 1902-3-18 10654 San Mateo King's Mountain. Comment
  CAS-BOT-BC102182  Argyranthemum foeniculaceum Elizabeth McClintock 1988-6-7 s.n. San Mateo San Bruno Comment
  CAS-BOT-BC47705  Armeria maritima subsp. californica Ray H. Yanis 1951-5-12 99 San Mateo Pescadero 30 Comment
  JEPS26346  Armeria maritima subsp. californica Adele Lewis Grant 1917-5-6 940 San Mateo nr. Pescadero; Pebble Beach 3 Comment
  POM204327  Armeria maritima subsp. californica I. L. Wiggins 1929-7-4 3801 San Mateo Pescadero Beach Comment
  CAS-BOT-BC82519  Arnica discoidea John H. Thomas 1961-6-20 9558 San Mateo Portola State Park, near junction of Peters and Pescadero Creeks 152 Comment
  UCR224656  Arrhenatherum elatius J. Eide 2009-7-20 PDR- 1481186 San Mateo Santa Cruz Mountains; San Bruno Mountain, in the vicinity of San Bruno Comment
  POM288964  Artemisia biennis Lyman Benson 1928-11-25 788 San Mateo Stanford Univ-- Lake Searsville. Santa Cruz Mts. 152 Comment
  JROH515  Artemisia californica L. R. Abrams 1902-12-23 3098 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET11836170  Artemisia californica L. S. Rose 1936-1 36716 San Mateo Granada 30 Comment
  JROH518  Artemisia douglasiana John H. Thomas 1976-10-16 18439 San Mateo Jasper Ridge Biological Preserve, Stanford University; along or near San Francisquito Creek from the low flow crossing to the vicinity of the old fireplace ruins downstream Comment
  OBI17042  Artemisia douglasiana Lewis S. Rose 1965-9-4 65101 San Mateo Skyline Blvd & Half Moon Bay rd, Cahill ridge 244 Comment
  UC892419  Artemisia douglasiana Lewis S. Rose 1938-8-18 38232 San Mateo San Mateo 30 Comment
  CAS-BOT-BC93933  Artemisia douglasiana George Oberlander 1949-9-25 380 San Mateo San Francisco Watershed Reserve, along stream entering San Andreas Lake Comment
  HSC24037  Artemisia douglasiana Mary Katherine Wicksten 1971-7-12 169 San Mateo Huddart Park; Road bank of King's Mountain Rd. below Archery Flat Comment
  UCR240608  Artemisia pycnocephala T. B. Salvato, Lia V. D. Mansfield, Joel-Henry J. Mansfield 2008-6-14 3528 San Mateo Central Coast, Pebble Beach State Beach, 12.5 mi north of Santa Cruz Co. line, along Hwy 1, Pacific Coast Hwy, 1.65 mi south of road to Pesacadero and 16 mi south of Half Moon Bay 11 Comment
  CAS-BOT-BC93636  Artemisia pycnocephala Elizabeth McClintock; Paul Reeberg 1989-4-23 s.n. San Mateo San Bruno Mountains - Reservoir Hill, west-facing slope 121 Comment
  JROH428  Asclepias fascicularis Richard L. Garber 1971-7-13 57 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM57741  Aster chilensis B. Greene 1901-10-20 59 San Mateo Summit of Coast Range Comment
  POM56936  Aster radulinus C. F. Baker 1902-9-15 1546 San Mateo Black Mt. Comment
  CAS-BOT-BC186760  Astragalus gambelianus L. R. A. 1902-5-4 2402 San Mateo Woodside Comment
  SEINET948336  Astragalus gambelianus Lois E. James 1947-1 1757 San Mateo Hills back of Redwood city. Comment
  JEPS15533  Astragalus pycnostachyus G. Thomas Robbins 1956-8-18 3737 San Mateo on slope above Pomponio Creek at its mouth at the Pacific Ocean; on slope above Pomponio Creek Comment
  BLMAR756  Astragalus pycnostachyus var. pycnostachyus Clara Sander 2005-7-5 756 San Mateo San Gregorio, Coastal bluff 25 Comment
  CAS-BOT-BC193090  Astragalus pycnostachyus var. pycnostachyus C. F. B. 1902-10-1 1744 San Mateo Pillar Point Comment
  CAS-BOT-BC17584  Athysanus pusillus C. F. Baker 1902-4-6 456 San Mateo Crystal Springs Lake. Comment
  UC136114  Athysanus pusillus C. F. Baker 1902-4-6 456 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC146079  Avena barbata Fred Hemphill 1973-4-15 652 San Mateo San Carlos. North of Malabar Road and Melendy Road. 207 Comment
  CAS-BOT-BC146081  Avena barbata T. C. Fuller 1971-6-10 19879 San Mateo 1.6 km. east of San Gregorio. Comment
  CAS-BOT-BC146125  Avena barbata Elizabeth McClintock; Carlyn Halde; Walter Knight; Walter Knight 1963-6-23 s.n. San Mateo San Bruno Mountain. Lower part of Colma Canyon. Comment
  HSC9008  Avena fatua C. B. Wolf 1927-6-4 San Mateo South of San Gregorio Comment
  JROH4845  Avena fatua W. Lennihan 1990-4-2 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Across parking lot from picnic tables. Comment
  JROH5975  Avena fatua John Rawlings 2017-5-2 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Scattered along brick path from visitor parking lot to field station 121 Comment
  POM216547  Baccharis douglasii D. D. Keck 1931-9-27 1271 San Mateo Dumbarton bridge Comment
  JROH535  Baccharis glutinosa John H. Thomas 1974-8-3 17497 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH538  Baccharis glutinosa John Hunter Thomas 1979-9-9 19731 San Mateo Jasper Ridge Biological Preserve, Stanford University; edge of Searsville Lake Comment
  UC484307  Baccharis pilularis Carl B. Wolf 1930-11-5 San Mateo 4 mi s Pescadero 7 Comment
  UC1119670  Baccharis pilularis G. E. Sindel 1935-10-18 381 San Mateo 1 3/8 mi n of Langley Hill; Santa Cruz Quad. 518 Comment
  SEINET5625923 Image available Baeria chrysostoma Unknown 1907-1 8465 San Mateo San Bruno Hills Comment
  JROH1440  Barbarea orthoceras John H. Thomas 1968-3-17 14183 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1443  Barbarea orthoceras John H. Thomas 1973-6-15 16843 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1452  Barbarea orthoceras John Hunter Thomas 1988-4-6 24373 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  UC1191421  Bassia hyssopifolia Malcolm A. Nobs and S. Galen Smith 1949-8-27 1617 San Mateo salt marshes e Redwood City Comment
  JEPS26846  Bellardia trixago Rimo Bacigalupi with J. H. Thomas and L. Heckard 1961-5-23 7709 San Mateo at summit Monte Bello Ridge (along Page Mill Road, just nw of O'Neal Ranch, San Mateo-Santa Clara County boundary) 708 Comment
  JROH3928  Bellardia trixago John Hunter Thomas 1988-6-6 24510 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Lakeside Laboratory Comment
  CAS-BOT-BC100192  Bellis perennis Elizabeth McClintock 1967-9-24 s.n. San Mateo Crocker Avenue Comment
  JROH1321  Berberis pinnata subsp. pinnata H. L. Mason 1922-3-9 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; between "Zoo Shack" and sandstone caves Comment
  CAS-BOT-BC28211  Bolboschoenus fluviatilis Ida R. Hayward 1927-7-4 s.n. San Mateo By road crossing Crystal Springs Lake. Comment
  CAS-BOT-BC31090  Bolboschoenus maritimus W. Knight; I. Knight 1966-10-4 2047 San Mateo Crocker Hills marsh between Geneva and Guadalupe parkway. Comment
  JROH4420  Bolboschoenus maritimus subsp. paludosus John Hunter Thomas 1988-6-2 24494 San Mateo Jasper Ridge Biological Preserve, Stanford University. Beach area Comment
  CAS-BOT-BC420227  Boykinia occidentalis W. R. Dudley 1895-6-6 s.n. San Mateo Banks of Pescadero Creek above Iverson's Comment
  CDA17126  Brachypodium sylvaticum K. Melo 2003-12-1 PDR 1387956 San Mateo San Francisco Peninsula; Hwy 84 at Grandview Terrace and Schilling Lake. Martin Creek drainage. 0 Comment
  CDA20475  Brachypodium sylvaticum J. Beall 2003-12-12 PDR 1387963 San Mateo San Francisco Bay Area; Along Hwy 84 at Grandview Dr. 0 Comment
  CAS-BOT-BC28047  Brassica fruticulosa Elizabeth McClintock; Paul Reeberg 1989-2-4 s.n. San Mateo San Bruno Mountains. Near horse corral, off Bayshore. Comment
  CAS-BOT-BC29992  Brassica juncea Fred Hemphill 1973-5-14 814 San Mateo San Carlos. Area north of Malabar Road and Melendy Drive. 207 Comment
  CAS-BOT-BC145492  Briza maxima Elizabeth McClintock; Paul Reeberg 1988-4-15 s.n. San Mateo San Bruno Mountains. East of Powerline and south of Guadalupe Canyon Parkway. 99 Comment
  UCD57161  Briza maxima S. S. Tillett; I. Sternback 1956-6-25 551 San Mateo Skyline Drive. 487 Comment
  CAS-BOT-BC145325  Briza minor H. A. Dutton 1900-4-17 s.n. San Mateo Santa Cruz Peninsula. Just east of Jasper on south side of roadside. Comment
  CAS-BOT-BC145343  Briza minor A. D. E. Elmer 1903-5-1 4912 San Mateo Crystal Springs Lake. Comment
  SJSU9943  Brodiaea terrestris subsp. terrestris J. R. Verbarg 1955-5-14 44 San Mateo Crystal Springs Hills Comment
  CAS-BOT-BC483169  Brodiaea terrestris subsp. terrestris John H. Thomas 1967-5-2 12818 San Mateo Along Skyline Blvd., 0.4 miles S of Black Mountain intersection, Hillsborough Comment
  CAS-BOT-BC483172  Brodiaea terrestris subsp. terrestris Alice Eastwood 1912-6-10 334 San Mateo Crystal Springs Comment
  CAS-BOT-BC144139  Bromus Ned Cahill 1974-5-30 325 San Mateo Near the intersection of Canada and Edgewood roads, about 3 miles westward from Redwood City. Comment
  SJSU7534  Bromus carinatus Lewis S. Rose 1963-4-27 63003 San Mateo Skyline Blvd W of San Mateo 91 Comment
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Oct 16 2013
  UCD58019  Bromus carinatus L. R. Abrams 1902-5-11 2X 62 San Mateo Crystal Springs. Comment
  CAS-BOT-BC148977  Bromus carinatus var. carinatus W. R. Dudley 1894-5-1 s.n. San Mateo Santa Cruz Mountain Peninsula. Crystal Springs Lake. Comment
  CAS-BOT-BC148993  Bromus carinatus var. carinatus John H. Thomas 1974-5-9 17331 San Mateo San Pedro Valley. Northern part of county, inland from Pacifica. 152 Comment
  CAS-BOT-BC148996  Bromus carinatus var. carinatus W. R. Dudley 1894-7-30 s.n. San Mateo Santa Cruz Mountain Peninsula. Near La Honda. Comment
  CAS-BOT-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
  UC1037111  Bromus carinatus var. carinatus Leo Whitney 1935-3-20 2268 San Mateo Bayshore Highway 10 mi s of Cliff House; San Francisco, Bayshore Highway Comment
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Nov 12 2011
  CAS-BOT-BC148768  Bromus carinatus var. marginatus Catherine A. Toschi 1963-2-23 63 :29 San Mateo North slope San Bruno Mountains above Crocker Avenue. 152 Comment
  CAS-BOT-BC155841  Bromus catharticus var. elatus John Thomas Howell 1956-5-23 21446 San Mateo Menlo Park. El Camino Real at Atherton Avenue. Comment
  OBI23249  Bromus diandrus Ira L. Wiggins 1975-5-26 22153 San Mateo Bed of San Francisquito Crk, ca 150 m upstream from Chaucer/Pope St bridge, Menlo Comment
  SEINET3922418  Bromus diandrus Robert A. Norris 1984-3-21 4657 San Mateo Brushy W-facing slope of Blue Blossom Hill in the San Bruno Mts.; 0 Comment
  JROH4917  Bromus hordeaceus John H. Thomas 1963-5-12 10080 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4920  Bromus hordeaceus John H. Thomas 1967-5-12 12889 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4923  Bromus hordeaceus John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC162408  Bromus laevipes Margaret A. Barry 1937-7-17 207 San Mateo Coal Mine Ridge. Comment
  JROH4932  Bromus laevipes John H. Thomas 1967-5-12 12865 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4935  Bromus laevipes John Hunter Thomas 1983-6-29 22711 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5957  Bromus laevipes John Rawlings 2017-5-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 14, between dam spillway and Trail 8 intersection 111 Comment
  RSA181249  Bromus laevipes John H. Thomas 1961-5-7 9256 San Mateo San Bruno Mountain in northern part of county. 305 Comment
  RSA195570  Bromus madritensis John H. Thomas 1966-4-24 11584 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  JEPS26837  Bromus madritensis subsp. madritensis Rimo Bacigalupi with L. Heckard 1961-5-14 7700 San Mateo near s end of Crystal Springs Lake along Canada Road, about San Francisco's Pulgas Water Temple Crystal Springs Lake; , Canada Road 95 Comment
  JROH4955  Bromus madritensis subsp. rubens John Rawlings 2013-4-9 1146 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along brick path leading from visitor parking to Sun Field Station. 120 Comment
  CAS-BOT-BC162229  Bromus maritimus John H. Thomas 1963-5-20 10151 San Mateo Ano Nuevo Island, about 0.5 mile off shore and about 20 miles northwest of Santa Cruz. Comment
  CAS-BOT-BC162009  Bromus racemosus George Oberlander 1950-4-25 767 San Mateo San Francisco Watershed Reserve. San Andreas Valley. Comment
  JROH5589  Bromus sterilis John Rawlings 2013-4-10 1145 B San Mateo Jasper Ridge Biological Preserve, Stanford University. Near power poles in partial shade on Rattlesnake Rocks trail off of Rd. D. 131 Comment
  JROH4964  Bromus tectorum John Hunter Thomas 1981-5-14 20582 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near edge of lake below Searsville Lab. Comment
  CAS-BOT-BC185394  Bromus vulgaris W. R. Dudley 1896-7-29 s.n. San Mateo Santa Cruz Mountain Peninsula. La Honda. Comment
  CAS-BOT-BC185397  Bromus vulgaris L. R. Abrams 1915-6-14 5562 San Mateo Kings Mountain Road. Comment
  CAS-BOT-BC233708  Buddleja davidii John H. Thomas 1960-6-25 8794 San Mateo Along or near a small creek running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street, Redwood City 7 Comment
  CAS-BOT-BC233710  Buddleja davidii John H. Thomas 1968-12-18 14873 San Mateo About 0.9 miles inland from the coast along road toward Pescadero Comment
  CAS-BOT-BC36871  Cakile edentula var. edentula W. R. Dudley 1908-10-4 s.n. San Mateo Santa Cruz Mountain Peninsula. Laguna Salada. Comment
  CAS-BOT-BC36949  Cakile maritima var. maritima John H. Thomas 1963-5-20 10116 San Mateo Ano Nuevo Island about one half mile off shore and about 20 mile northwest of Santa Cruz. Comment
  CAS-BOT-BC36958  Cakile maritima var. maritima Robert T. Orr 1961-6-27 s.n. San Mateo Ano Nuevo Island. Comment
  CAS-BOT-BC36952  Cakile maritima var. maritima Betty J. Hammerly 1942-6-15 439 San Mateo Ocean bluffs near mouth of Pescadero Creek. Comment
  RSA98363  Cakile maritima var. maritima I. L. Wiggins 1949-7-2 12196 San Mateo Pescadero Beach. Comment
  CAS-BOT-BC185305  Calamagrostis koelerioides N. K. Carlson 1935-6-14 54 San Mateo 0.5 mile west of Hollow Tree Camp, north of Big Basin. 640 Comment
  CAS-BOT-BC185145  Calamagrostis nutkaensis A. D. E. Elmer 1903-5-1 5051 San Mateo San Pedro. Comment
  CAS-BOT-BC185150  Calamagrostis nutkaensis A. D. E. Elmer 1903-5-1 5033 San Mateo San Pedro. Comment
  JROH5602  Calamagrostis rubescens John Rawlings 2014-3-18 1208 San Mateo Jasper Ridge Biological Preserve, Stanford University; near jct of and between trails 5 and 2. 83 Comment
  JEPS121454  Calandrinia ciliata Adam C. Schneider with C. Matt Guilliams 2013-2-2 190 San Mateo Crystal Springs Reservoir, between power transmission lines and Interstate 280. Comment
  JROH3320  Calandrinia ciliata Duncan M. Porter 1961-2-18 745 San Mateo Jasper Ridge Biological Preserve, Stanford University; Westridge end of ridge Comment
  JROH3323  Calandrinia ciliata John H. Thomas 1973-3-11 16478 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC389677  Calandrinia ciliata Maryann Danielson 1967-4-16 s.n. San Mateo San Francisco Watershed near water temple Comment
  CAS-BOT-BC438533  Calandrinia ciliata Philip C. Wheeler 1965-5-12 s.n. San Mateo San Bruno Mountain. Pig Ranch Ravine. Comment
  CDA31267  Calendula arvensis J. Eide 2010-2-19 PDR# 1527850 San Mateo East Palo Alto: in residential garden. 0 Comment
  CAS-BOT-BC273257  Calendula officinalis Peter H. Raven 1950-4-30 1969 San Mateo Montara 24 Comment
  JROH1636  Callitriche marginata John H. Thomas 1970-4-4 15544 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1639  Callitriche marginata John H. Thomas 1973-2-12 16452 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1641  Callitriche marginata John H. Thomas 1974-4-4 17079 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4595  Calochortus albus John H. Thomas 1963-5-12 10085 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET3559526 Image available Calochortus albus Lewis S. Rose 1932-5-24 32277 San Mateo Portola. Comment
  UC13852  Calochortus albus W. C. Blasdale 1893-6-23 San Mateo San Mateo Comment
  CAS-BOT-BC492201  Calochortus albus George Oberlander 1950-5-21 975 San Mateo Pilarcitos Canyon Comment
  CAS-BOT-BC492209  Calochortus albus Elmer I. Applegate 1895-4-8 727 San Mateo Page Mill Creek, above Stanford University Comment
  RSA107093  Calochortus albus Lewis S. Rose 1956-6-11 56098 San Mateo 2 mi W of Woodside, Kings Mt. Road. 213 Comment
  JROH4628  Calochortus argillosus John Hunter Thomas 1980-6-5 19994 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4636  Calochortus luteus John H. Thomas 1976-5-26 18154 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4639  Calochortus luteus John Hunter Thomas 1982-6-7 21024 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4641  Calochortus luteus John Hunter Thomas 1989-5-30 24753 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near dam Comment
  UC119756  Calochortus luteus Katharine Brandegee 1905-6-20 San Mateo near Lake Pilarcitos Comment
  HSC23982  Calochortus luteus Mary Katherine Wicksten 1971-6-17 40 San Mateo Huddart Park, grassy hill above Oak Area Comment
  CAS-BOT-BC493992  Calochortus tolmiei Joy H. Ozer 1963-6-9 59 San Mateo Southern boundary of Portola State Park. 609 Comment
  CAS-BOT-BC494040  Calochortus venustus Ned Cahill 1974-5-30 305 San Mateo Serpentine fields bordered by chaparral near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  SEINET12044555  Calochortus venustus L. S. Rose 1932-1 32327 San Mateo Redwood City Comment
  CAS-BOT-BC270668  Calycadenia multiglandulosa L. S. Rose 1934-5-23 34278 San Mateo Emerald Lake Comment
  JROH563  Calycadenia multiglandulosa John H. Thomas 1968-10-29 14858 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET5781153 Image available Calycadenia multiglandulosa L. S. Rose 1941-6-12 41268 San Mateo W of Redwood City, Emerald Lake Comment
  SEINET11836279  Calycadenia multiglandulosa subsp. cephalotes L. S. Rose 1936-1 s.n. San Mateo Emerald Lake, W of Redwood City 91 Comment
  UC942937  Calystegia purpurata Lewis S. Rose 1950-5-20 50141 San Mateo hills w Redwood City (Emerald Lake Region); , w of Redwood City 243 Comment
  RSA10276  Calystegia purpurata H. A. Barker 1927-5-14 676 San Mateo North of Half Moon Bay. Comment
  RSA394835A  Calystegia soldanella E. A. Purer 1933-7-27 18830 San Mateo Two miles south of Pigeon Point. Comment
  CAS-BOT-BC436449  Calystegia subacaulis Ned Cahill 1974-4-29 194 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC436441  Calystegia subacaulis Lewis S. Rose 1956-5-28 56080 San Mateo Skyline Blvd west of San Mateo 182 Comment
  CHSC447  Calystegia subacaulis V. Holt 1943-4-21 San Mateo 6 Comment
  CAS-BOT-BC224345  Calystegia subacaulis subsp. subacaulis A. D. E. Elmer 1903-6-1 4826 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC224349  Calystegia subacaulis subsp. subacaulis A. D. E. Elmer 1903-6-1 4826 San Mateo Crystal Springs Lake Comment
  JROH1845  Calystegia subacaulis subsp. subacaulis John H. Thomas 1967-5-10 12858 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM32530  Camissonia cheiranthifolia subsp. cheiranthifolia A. D. E. Elmer 1903-07 4942 San Mateo San Pedro. Comment
  POM32101  Camissonia graciliflora L. R. Abrams 1917-3-15 6396 San Mateo Woodside - Crystal Springs Road, 2 miles north of Woodside Comment
  CAS-BOT-BC160320  Camissoniopsis cheiranthifolia subsp. cheiranthifolia E. M. Zeile 1921-7-31 s.n. San Mateo Salada Comment
  CHSC22126  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Robert A. Schlising; Glenn Keator 1962-2-3 2042 San Mateo Coast Ranges. Sand dunes along Hwy 1, 3.9 mi N of jct with Bonnie Doon Road. Comment
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Sep 4 2011
  UCSC007727  Camissoniopsis micrantha Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  SEINET10463021  Campanula prenanthoides Wolf 1927-7-14 WOLF 618 San Mateo SUMMIT OF KINGS MTN ROAD Comment
  JROH1477  Capsella bursa-pastoris John Hunter Thomas 1984-4-10 23284 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC37682  Cardamine californica C. F. Baker 1902-4-12 501 San Mateo La Honda. Comment
  CAS-BOT-BC37687  Cardamine californica Lewis S. Rose 1936-3-11 36021 San Mateo Kings Mountain. 304 Comment
  JROH1482  Cardamine californica John H. Thomas 1967-4-28 12727 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1485  Cardamine californica John Hunter Thomas 1983-4-5 21332 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM144148  Cardamine californica var. integrifolia C. F. Baker 1902-4-12 501 San Mateo La Honda. Comment
  CAS-BOT-BC37989  Cardamine oligosperma Alice Eastwood 1933-4-30 s.n. San Mateo Lake Pilarcitos. Comment
  CAS-BOT-BC37992  Cardamine oligosperma Margaret A. Barry 1937-5-15 107 San Mateo Coal Mine Ridge. Comment
  POM202951  Cardamine oligosperma Alice Eastwood 1933-4-30 s.n. San Mateo Lake Pilarcitos. Comment
  CDA6896  Carduus tenuiflorus D. G. Kelch, B. G. Baldwin 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  UCSC006297  Carex Randall Morgan 2001-10-19 3778 San Mateo Half Moon Bay, Moist flat on RMC Lonestar property, upper San Vincente Ck watershed Comment
  CAS-BOT-BC17851  Carex amplifolia John H. Thomas 1961-5-14 9365 San Mateo Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. San Francisco Watershed Reserve. 152 Comment
  NY25686  Carex amplifolia L. S. Rose 1933-6-23 33250 San Mateo Kings Mountain Comment
  UC70629  Carex barbarae J. Burtt Davy 1893-6-17 782 San Mateo Belmont Comment
  CAS-BOT-BC19325  Carex barbarae Walter Knight; Irja Knight 1965-4-15 s.n. San Mateo San Bruno Mountain. Mouth of Colma Canyon. 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
  UCD166147  Carex brevicaulis Jack Major; M. Forde and S. Bamberg 1962-4-3 732 San Mateo Ano Nuevo Point. (Exact location unknown. Coordinates estimated by label maker). Comment
  CAS-BOT-BC18928  Carex densa A. D. E. Elmer 1903-6-1 4428 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC18930  Carex densa LeRoy Abrams 1902-5-11 2444 San Mateo Crystal Springs. Comment
  UC212817  Carex densa Kellogg and Brannan 1870-6-1 San Mateo San Gregorio Creek Comment
  UC30023  Carex densa J. Burtt Davy 1893-6-17 787 San Mateo Belmont Comment
  UC823332  Carex densa John Thomas Howell 1938-5-1 13786 San Mateo near South San Francisco Comment
  CAS-BOT-BC18927  Carex densa W. R. Dudley 1906-6-10 s.n. San Mateo Santa Cruz Mountain Peninsula. By North Cahill Ridge Road. Comment
  CAS-BOT-BC18934  Carex densa Lewis S. Rose 1937-5-16 37279 San Mateo South San Francisco. 15 Comment
  RSA304146  Carex densa J. T. Howell 1938-5-1 13785 San Mateo Near South San Francisco. Comment
  RSA91589  Carex densa L. S. Rose 1937-5-16 37279 San Mateo South San Francisco. 15 Comment
  JROH4336  Carex divulsa subsp. divulsa John Rawlings 2013-5-7 1175 San Mateo Jasper Ridge Biological Preserve, Stanford University; on the lake side and near east end of Leonard's Bridge on the bank of the channel 107 Comment
  CAS-BOT-BC19945  Carex exsiccata W. R. Dudley 1894-5-1 s.n. San Mateo Woodside to Crystal Springs. Comment
  JROH4339  Carex globosa John Hunter Thomas 1983-4-5 21317 San Mateo Jasper Ridge Biological Preserve, Stanford University. Grassy draw along path to redwood area. Comment
  SBBG29952  Carex harfordii J. T. Howell 1938-5-1 13781 San Mateo near South San Francisco Comment
  JROH4356  Carex nudata John Hunter Thomas 1979-6-12 19587 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  CAS-BOT-BC119345  Carex obnupta W. R. Dudley 1896-4-17 s.n. San Mateo Pebble Peach Pasture, Pescadearo, Santa Cruz Mountain. Comment
  SEINET3100624  Carex serratodens Neal Kramer 2012-3-3 2031 a San Mateo Stulsart Park, Redwood City Comment
  RSA127081  Carex subbracteata John H. Thomas 1959-4-4 7657 San Mateo About 0.7 miles S. of Gazos Creek. About 6.5 miles southward from Pescadero. 46 Comment
  UC836144  Carex subbracteata John Thomas Howell 1938-5-1 13778 San Mateo near South San Francisco Comment
  UCR280167  Carex subbracteata Peter Rubtzoff 1978-5-18 9172 San Mateo San Francisco Bay Region, San Bruno Mountains, 'saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction, westernmost part of the area 220 Comment
  RSA364769  Carex subbracteata L. S. Rose 1939-4-14 39063 San Mateo South San Francisco. 15 Comment
  RSA789962  Carex subbracteata Peter Rubtzoff 1976-6-30 8707 San Mateo San Bruno Mtns: Saddlle area on north side of Guadalupe Canyon Parkway west of Radio Road junction, westernmost part of the area. Comment
  SEINET7577065 Image available Carex subbracteata John Thomas Howell 1938-5-1 13778 San Mateo Near South San Francisco. Comment
  CAS-BOT-BC116831  Carex subbracteata var. subbracteata Adolph Daniel Edward Elmer 1903-6-1 4429 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC116835  Carex subbracteata var. subbracteata J. H. Thomas 1959-4-4 7657 San Mateo Ca 0.7 mi S of Gazos Creek. Ca 6.5 mi southward from Pescadero. 45 Comment
  UC826092  Carex tumulicola Wilhelm N. Suksdorf 1913-6-30 377 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC115508  Carex tumulicola Wilhelm Nikolaus Suksdorf 1928-7-5 12402 San Mateo Seeds from Crystal Springs Lake (grown in garden at Bingen, Wash) Comment
  CAS-BOT-BC115510  Carex tumulicola Phillip C. Wheeler 1965-5-18 s.n. San Mateo In area adjacent to Olivet Cemetery. Comment
  CHSC39844  Carpobrotus Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  CHSC20700  Carpobrotus edulis Robert A. Schlising 1963-2-23 2433 San Mateo 21 miles north of Davenport along Highway 1. 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
  POM88003  Castilleja affinis L. R. Abrams 1902-5-11 2437 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC249194  Castilleja affinis E. McClintock; Philip Wheeler 1965-5-23 s.n. San Mateo San Bruno Mountain. Below Nike station Comment
  POM298045  Castilleja affinis A. A. Heller 1907-4-20 8442 San Mateo Near Lake Merced. Comment
  RSA120823  Castilleja affinis S. S. Tillett, I. Sternback 1956-6-25 550 San Mateo Along Patterson Creek, on Middleton property just above entrance to Portola State beach. 366 Comment
  RSA425890  Castilleja affinis Paul C. Silva 1948-1-31 2626 San Mateo Old La Honda Grade, 1 mile south of Skyline Blvd. 457 Comment
  SEINET12288584  Castilleja affinis Unknown 1952-1 108 San Mateo above Searsville Lake 427 Comment
  JEPS86438  Castilleja affinis subsp. affinis L. R. Heckard 1988-6-9 6679 San Mateo Pescadero Beach State Park Comment
  JROH3936  Castilleja affinis subsp. affinis Roger von Preissig 1954-4-23 26 b San Mateo Jasper Ridge Biological Preserve, Stanford University 152 Comment
  JROH3939  Castilleja affinis subsp. affinis Duncan M. Porter 1961-4-8 751 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge Comment
  JROH3948  Castilleja affinis subsp. affinis John Hunter Thomas 1981-5-25 20644 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1036425  Castilleja affinis subsp. affinis G. B. Rossbach 1955-7-26 617 San Mateo near San Francisco County line (Route 1) Comment
  JEPS103890  Castilleja affinis subsp. affinis T. I. Chuang and F. M. Chuang 1991-7-3 7861 San Mateo 1 mile S of Linda Mar, on highway 1 Comment
  JEPS103892  Castilleja affinis subsp. affinis T. I. Chuang and F. M. Chuang 1991-7-3 7860 San Mateo 1.8 mile SW from junction of Interstate 280 and rt. 92 on rt. 92 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
  JEPS9140  Castilleja ambigua subsp. ambigua N. L. Gardner 1914-7-11 San Mateo Moss Beach Comment
  UC1537444  Castilleja ambigua subsp. ambigua Gordon H. True Jr. 1936-6-7 488 San Mateo 2 mi s Pescadero 15 Comment
  UC306603  Castilleja ambigua subsp. ambigua A. D. E. Elmer May 1903 4800 San Mateo San Pedro Comment
  UC406881  Castilleja ambigua subsp. ambigua David D. Keck 1927-6-10 394 San Mateo Montara Point; Radio Station 0 Comment
  JROH3956  Castilleja attenuata John H. Thomas 1973-4-14 16562 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3959  Castilleja attenuata John H. Thomas 1974-4-19 17159 San Mateo Jasper Ridge Biological Preserve, Stanford University; near area H Comment
  CHSC1814  Castilleja densiflora subsp. densiflora V. Holt 1943-4-21 San Mateo Comment
  JROH5616  Castilleja densiflora subsp. densiflora John Rawlings 2014-5-3 1220 San Mateo Jasper Ridge Biological Preserve, Stanford University. South of the power pole mound where dear-browsed shrubby coast live oaks begin transition into San Francisquito Creek riparian corridor. 89 Comment
  JEPS19713  Castilleja exserta subsp. latifolia Peter H. Raven 1957-6-24 10970 San Mateo Pebble Beach Comment
  CHSC42072  Castilleja foliolosa J. P. Arts 1986-3-30 17 San Mateo Ca. 4.1 miles w of Saratoga on Hwy. 9, ca. 8 miles n of Boulder Creek. 914 Comment
  SD38137  Castilleja franciscana Edith A. Purer 1933-5-25 3653 San Mateo Spring Valley Lakes Comment
  SD38274  Castilleja latifolia Edith A. Purer 1933-7-27 5374 San Mateo Sand dunes, two miles south of Pigeon Point Comment
  UC187825  Castilleja latifolia Katharine Brandegee 1890-5-20 San Mateo Searsville Comment
  JROH3997  Castilleja rubicundula subsp. lithospermoides D. E. Breedlove 1971-5-31 19360 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH4002  Castilleja rubicundula subsp. lithospermoides John Hunter Thomas 1980-5-6 19930 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4005  Castilleja rubicundula subsp. lithospermoides John Hunter Thomas 1982-4-30 20879 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1012134  Castilleja rubicundula subsp. lithospermoides F. W. Pennell and D. D. Keck 1940-5-15 25413 San Mateo above Redwood City (Emerald Lake); Emerald Lake 45 Comment
  JEPS29412  Castilleja wightii L. R. Heckard 1961-7-16 1259 San Mateo near San Bruno Mt. summit (ne of transmitting station KQED); San Bruno Mt. 335 Comment
  JEPS34327  Castilleja wightii L. R. Heckard, and Rimo Bacigalupi 1963-7-2 1333 San Mateo nw slope Montara Mt. (above summit of old county road) 304 Comment
  JEPS47423  Castilleja wightii L. R. Heckard 1964-7-15 1421 San Mateo 0.5 miles east of state highway 1, along Lobitos Creek cut-off to Tunitas Canyon Road. Comment
  JEPS4857  Castilleja wightii Rimo Bacigalupi with L. Constance and C. R. Bell 1951-3-25 3203 San Mateo outskirts Daly City (slopes of Colma Canyon, nw end of San Bruno Hills); San Bruno Hills, Colma Canyon Comment
  JEPS85727  Castilleja wightii L. R. Heckard 1964-6-24 1395 San Mateo near San Bruno Mt. summit (n of transmitting stations); 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
  RSA428365B  Castilleja wightii Glenn A. Gorelick 1967-4-4 s.n. San Mateo San Bruno Mts; overlooking Daly City near San Francisco. Comment
  RSA428367  Castilleja wightii E. S. Spalding 1924-6-28 s.n. San Mateo Moss Beach Comment
  UC202800  Castilleja wightii A. D. E. Elmer Jul 1903 4761 San Mateo San Pedro; ; San Pedro, San Mateo Co. Comment
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Nov 23 2007
  UC729641  Castilleja wightii Carl B. Wolf 1929-5-25 3730 San Mateo s of Pescadero (Pebble Beach); Pebble Beach Comment
  JEPS79097  Castilleja wightii L. R. Heckard 1980-5-3 5191 San Mateo s of Guadalupi Parkway, San Bruno Mt. (on slopes about Fern Rock, n part of San Bruno Mt., in upper end of drainage of Guadalupi Valley); San Bruno Mt., Guadalupi Valley, Fern Rock 182 Comment
  RSA517382  Castilleja wightii L. R. Heckard 1963-7-18 3142 San Mateo Along La Honda road from SkyLonda to LaHonda, 2 miles below (SW) junction with Skyline Blvd. 366 Comment
  SEINET8357659  Castilleja wightii A. D. E. Elmer 1903-1 4761 San Mateo San Pedro. Comment
  SEINET884614 Image available Castilleja wightii A. D. E. Elmer 1903-1 4761 San Mateo San Pedro. Comment
  CAS-BOT-BC40242  Caulanthus lasiophyllus G. H. True 1937-3-31 614 San Mateo Salada Beach. Comment
  CAS-BOT-BC40392  Caulanthus lasiophyllus W. R. Dudley 1896-4-4 s.n. San Mateo Santa Cruz Peninsula. Near Crystal Springs Lake. Comment
  JROH1524  Caulanthus lasiophyllus John H. Thomas 1967-5-31 12940 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC40397  Caulanthus lasiophyllus Peter H. Raven 1950-4-16 1802 San Mateo San Bruno Mountain. Summit Ridge. 243 Comment
  CAS-BOT-BC47933  Ceanothus Elizabeth McClintock 1974-11-13 s.n. San Mateo San Bruno Mountain Comment
  CAS-BOT-BC48394  Ceanothus cuneatus var. cuneatus Lewis S. Rose 1964-3-23 64011 San Mateo Emerald Lake, w. of Redwood City 121 Comment
  UCD112111  Ceanothus cuneatus var. cuneatus Lewis S. Rose 1964-3-23 64011 San Mateo Emerald Lake, west of Redwood City. 121 Comment
  RSA169355  Ceanothus cuneatus var. dubius L. S. Rose 1964-3-23 64011 San Mateo Emerald Lake, hills W of Redwood City. 122 Comment
  RSA130826  Ceanothus oliganthus W. R. Dudley 1902-5-17 s.n. San Mateo King Mountain rd. Comment
  CAS-BOT-BC51595  Ceanothus oliganthus var. sorediatus Robert Robertson 1954-5-1 104 San Mateo by road 2 miles S.W. La Honda Junction 365 Comment
  RSA15203  Ceanothus oliganthus var. sorediatus Carl B. Wolf 1926-10-19 s.n. San Mateo Near La Honda. Santa Cruz Mts. Comment
  POM177505  Ceanothus papillosus J. C. Murphy 1906-5-20 13 San Mateo Santa Cruz Mts. Comment
  POM223329  Ceanothus papillosus L. S. Rose 1935-5-3 35144 San Mateo Skyline Blvd, W of Saratoga. 732 Comment
  SEINET3814716 Image available Ceanothus papillosus Lewis S. Rose 1939-5-5 39098 San Mateo Skyline Boulevard west of Saratoga Rocky hills. 732 Comment
  UC79825  Ceanothus papillosus var. papillosus C. F. Baker 1902-5-10 803 San Mateo Kings Mountain Comment
  POM136268  Ceanothus papillosus var. roweanus Stewart H. Burnham 1894-4-29 1577 San Mateo Above woodside. Comment
  CAS-BOT-BC52278  Ceanothus thyrsiflorus Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo Powerline Ridge Comment
  CAS-BOT-BC52294  Ceanothus thyrsiflorus J. I. McMurphy 1906-5-8 12 San Mateo Woodside, Santa Cruz Mts. 121 Comment
  POM136468  Ceanothus thyrsiflorus C. F. Baker 1902-4-12 511 San Mateo La Honda. Comment
  POM136514  Ceanothus thyrsiflorus A. D. E. Elmer 1903-06 4603 San Mateo Lake San Andreas. Comment
  RSA153472  Ceanothus thyrsiflorus John H. Thomas 1961-5-7 9295 San Mateo San Bruno Mountain in northern part of county. 305 Comment
  UCSB3905  Ceanothus thyrsiflorus var. griseus Walker, Clifford 1954-4-20 San Mateo Woodside Rd. 1 mi. E. Woodside 2 Comment
  UC91552  Centaurea calcitrapa J. W. Congdon 1901-7-27 San Mateo San Mateo 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
  CAS-BOT-BC277124  Centaurea melitensis J. H. Thomas 1958-6-11 7224 San Mateo About 4.3 miles due east of Belmont near Crystal Springs Reservoir 91 Comment
  CAS-BOT-BC277127  Centaurea melitensis John H. Thomas 1963-5-20 10107 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  HSC23977  Centaurea melitensis Mary Katherine Wicksten 1971-6-24 118 San Mateo Huddart Park, side of park entrance Comment
  JROH605  Centaurea solstitialis John Hunter Thomas 1977-6-16 18765 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH611  Centaurea solstitialis John Hunter Thomas 1991-11-21 26109 San Mateo Jasper Ridge Biological Preserve, Stanford University; SLAC corridor Comment
  SJSU15406  Centaurium tenuiflorum Toni Corelli 2011-8-25 716 a San Mateo Pescadero State Beach and Marsh Natural Preserve, Round Hill Trail at the end of Water Lane Road 12 Comment
  JEPS46942  Centaurium trichanthum J. B. Davy 1893-6-17 778 San Mateo Belmont Comment
  JEPS23531  Centranthus ruber J. H. Thomas 1954-5-28 4262 San Mateo along El Camino Real at n. edge of San Carlos 30 Comment
  CAS-BOT-BC272815  Centromadia parryi subsp. parryi James McMurphy 1908-10-18 s.n. San Mateo Cooley's Landing Comment
  CAS-BOT-BC384880  Cerastium arvense Elizabeth McClintock; Paul Reeberg 1989-3-21 s.n. San Mateo San Bruno Mountains. On Bitter Cherry Ridge 182 Comment
  RSA181237  Chenopodium murale John H. Thomas 1963-5-20 10106 San Mateo Ano Nuevo Island, 1/2 mile off shore and about 20 miles NW of Santa Cruz. Comment
  JEPS59761  Chenopodium rubrum L. M. Booth 1932-10-29 2116 San Mateo between San Bruno Mt. and R.R. track (bottom of dry pond); South San Francisco Comment
  IRVC9050  Chlorogalum pomeridianum P. W. Rundel 1963-7-7 1144 San Mateo San Francisco Bay drainage area; Kings Mtn Road; woodside. Santa Cruz Mountains 305 Comment
  SD39113  Chlorogalum pomeridianum Janet Turner 1933-5-30 130 San Mateo Between Skyline and Half Moon Bay. Comment
  JROH4648  Chlorogalum pomeridianum var. pomeridianum John H. Thomas 1974-6-27 17454 San Mateo Jasper Ridge Biological Preserve, Stanford University; near the low flow crossing below Searsville Dam Comment
  RSA18447  Chlorogalum pomeridianum var. pomeridianum Carl B. Wolf 1927-6-29 560 San Mateo South of Pebble Beach near Pescadero Comment
  POM290670  Chlorogalum pomeridianum var. pomeridianum Lyman Benson 1930-5-20 2162 San Mateo La Honda Grade, above Lake Searsville, Santa Cruz Mountains 305 Comment
  CAS-BOT-BC32865  Chorizanthe cuspidata var. marginata Adolph Daniel Edward Elmer 1903-5-1 4828 San Mateo San Pedro Comment
  CAS-BOT-BC252659  Chorizanthe membranacea C. Rose Broome; Cristalyn M. Cagle 1978-6-17 2166 San Mateo Nacimiento-Ferguson Road 3 miles east of its junction with California Highway 1, and 4.1 miles west of Nacimiento Guard Station, Los Padres N.F. 427 Comment
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Oct 1 2021
  UC125349  Chorizanthe robusta Katharine Brandegee June 1905 San Mateo Colma Comment
  CAS-BOT-BC36408  Chrysolepis chrysophylla var. minor C. B. Wolf 1931-8-21 2335 San Mateo Upper Sonoran. 1/2 way up the east side of Kings Mt. 365 Comment
  JROH2584  Cicendia quadrangularis John H. Thomas 1966-4-6 11554 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR240607  Cirsium T. B. Salvato, Lia V. D. Mansfield, Joel-Henry J. Mansfield 2008-6-14 3529 San Mateo Central Coast, Pebble Beach State Beach, 12.5 mi north of Santa Cruz Co. line, along Hwy 1, Pacific Coast Hwy, 1.65 mi south of road to Pesacadero and 16 mi south of Half Moon Bay 11 Comment
  CAS-BOT-BC277888  Cirsium brevistylum Phillip C. Wheeler 1965-5-11 s.n. San Mateo San Bruno Mountain. Southwest ravine below NBC Towers Comment
  CAS-BOT-BC100941  Cirsium fontinale var. fontinale Alice B. Wright 1921-4-1 s.n. San Mateo Cyrstal Springs Comment
  CDA1229  Cirsium fontinale var. fontinale T. C. Fuller 1970-5-13 19532 -A San Mateo East side of I-280, 100 yds. s. of junction Hwy 92 w. to Half Moon Bay. E slope above Crystal Springs Reservoir. Comment
  UC1416530  Cirsium fontinale var. fontinale George E. Pilz 1971-5-9 616 San Mateo e side of Crystal Springs Reservoir, Interstate 280 has cut through the colony Crystal Springs Reservoir 121 Comment
  UC306684  Cirsium fontinale var. fontinale A. D. E. Elmer 1903-6-1 4292 San Mateo Crystal Springs Lake Comment
  RSA0008390  Cirsium fontinale var. fontinale J. T. Howell 1939-6-16 14743 San Mateo Crystal Springs Lake. Comment
  RSA0008392  Cirsium fontinale var. fontinale John Thomas Howell 1939-6-16 14743 San Mateo Crystal Springs Lake. Comment
  SEINET5506212  Cirsium fontinale var. fontinale Lewis S. Rose San Mateo Comment
  POM54352  Cirsium occidentale var. venustum A. D. E. Elmer 1903-06 4259 San Mateo Crystal Springs Lake. Comment
  RSA176529  Cirsium occidentale var. venustum John H. Thomas 1963-6-23 10169 San Mateo Jasper Ridge Biological Experimental Area, about 5 mi SW of Palo Alto. Along road at Westridge end of ridge 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-BC280503  Cirsium quercetorum Alice Eastwood 1912-6-3 204 San Mateo Granada Comment
  CAS-BOT-BC280529  Cirsium quercetorum Alice Eastwood; John Thomas Howell 1938-6-26 6078 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC280506  Cirsium quercetorum Peter H. Raven 1961-8-24 16587 San Mateo East side of Crystal Springs Lakes Comment
  CAS-BOT-BC280512  Cirsium quercetorum W. R. Dudley 1893-5-17 s.n. San Mateo Santa Cruz Mountain Peninsula. Hills near Millbrae Comment
  CAS-BOT-BC280525  Cirsium quercetorum V. F. Hesse 1964-5-26 3198 San Mateo Whitehouse Creek road 60 Comment
  JROH637  Cirsium vulgare John H. Thomas 1973-6-15 16841 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH640  Cirsium vulgare John Hunter Thomas 1977-6-16 18799 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC285860  Cirsium vulgare Ira L. Wiggins 1977-7-23 22189 San Mateo Northerly side of San Francisquito Creek stream bed, ca 150 m upstream from Pope Street bridge, Menlo Park Comment
  RSA155840  Cirsium vulgare Peter H. Raven 1961-8-24 16585 San Mateo East side of Crystal Springs Lake 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-BC172091  Clarkia davyi Peter H. Raven 1950-6-3 22301 San Mateo Roadside cut, Millbrae Ave., Millbrae 91 Comment
  CAS-BOT-BC172000  Clarkia epilobioides Robert F. Hoover 1941-4-23 4904 San Mateo Redwood City Hills Comment
  UC762862  Clarkia epilobioides R. F. Hoover 1941-4-23 4904 San Mateo Redwood City Hills Comment
  CAS-BOT-BC163967  Clarkia purpurea subsp. quadrivulnera W. R. Dudley 1894-7-30 s.n. San Mateo Near La Honda Comment
  JEPS127894  Clarkia purpurea subsp. quadrivulnera Adam C. Schneider 2013-5-17 178 San Mateo Comment
  JROH3006  Clarkia purpurea subsp. quadrivulnera John Rawlings, Ann Lambrecht 2011-6-22 0934 San Mateo Jasper Ridge Biological Preserve, Stanford University. North side of main ridge down slope from Escobar Gate. 130 Comment
  UC107814  Clarkia purpurea subsp. quadrivulnera Katharine Brandegee 1905-6-14 San Mateo Colma Comment
  CAS-BOT-BC163964  Clarkia purpurea subsp. quadrivulnera W. R. Dudley 1894-5-1 s.n. San Mateo Road from Woodside to Crystal Spr. Reservoir Comment
  JROH3009  Clarkia purpurea subsp. viminea John H. Thomas 1967-5-31 12935 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC165134  Clarkia rubicunda A. D. E. Elmer 1903-6-1 4310 San Mateo Crystal Springs Lake Comment
  CHSC27729  Clarkia rubicunda Coleta Lawler 1978-6-11 295 San Mateo W of Saratoga and SW of Los Altos; on Alpine Road, 0.5 miles southwest of State Hwy 35 (Skyline Blvd); along road cut. 304 Comment
  JEPS43647  Clarkia rubicunda J. Burtt Davy 1893-6-17 767 San Mateo Belmont Comment
  JEPS83042  Clarkia rubicunda Roy E. Buck, Randall A. Morgan, James A. West 1983-7-15 432 San Mateo ca. 0.5 km ne Pilarcitos Dam (near crest of Cahill Ridge, w of gravel rd., overlooking Pilarcitos Lake, 7.5 km nw of the intersection of Calif. Hwys. 35 and 92); San Francisco Watershed Reserve 289 Comment
  JROH3012  Clarkia rubicunda John H. Thomas 1962-5-31 9891 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Westridge end Comment
  JROH3015  Clarkia rubicunda Rachel Hays 1972-7-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC114010  Clarkia rubicunda Katharine Brandegee 1908-7-26 San Mateo near Half Moon Bay; Moss Beach Comment
  UC615203  Clarkia rubicunda Beryl O. Schreiber 1932-5-29 310 San Mateo Spring Valley Water Company Road Comment
  CAS-BOT-BC165130  Clarkia rubicunda L. R. Abrams 1907-8-25 s.n. San Mateo Between [Pecadero] Pescadero and Half Moon Bay Comment
  CAS-BOT-BC165137  Clarkia rubicunda Robert Setzer 1969-7-18 3366 San Mateo Montara Beach Comment
  CAS-BOT-BC165163  Clarkia rubicunda Peter H. Raven 1957-6-30 11012 San Mateo Near bridge over Tunitas Creek along state Highway 1 Comment
  CAS-BOT-BC165166  Clarkia rubicunda A. G. Vestal 1937-6-15 s.n. San Mateo About 1/4 mi north from site of former hotel Pebble Beach near Pescadero Comment
  RSA118919  Clarkia rubicunda L. S. Rose 1957-7-6 57117 San Mateo Skyline Blvd. west of San Mateo 183 Comment
  RSA18311  Clarkia rubicunda Carl B. Wolf 1927-7-14 600 San Mateo Summit of Kings Mountain Rd. Comment
  RSA41288  Clarkia rubicunda Robert F. Hoover 1941-5-20 5108 San Mateo Redwood City hills Comment
  SD88531  Clarkia rubicunda Darley F. Howe 1972-6-25 San Mateo Ocean bluff, 7.5 miles North of Half Moon Bay Comment
  UCD104833  Clarkia rubicunda Peter H. Raven 1957-7-4 11046 San Mateo 6.1 miles from San Gregorio on road to La Honda, near San Gregorio Creek. Comment
  RSA108439  Clarkia rubicunda subsp. blasdalei Harlan Lewis, M. Lewis 1951-6-28 962 San Mateo Highway 1, 0.6 mile south of road to Redwood City, at Tunitas Creek. Comment
  SEINET4149811  Clarkia rubicunda subsp. blasdalei K. Brandegee s.n. San Mateo Between San Pedro and Moss Beach Comment
  UC306526  Clarkia unguiculata A. D. E. Elmer June, 1903 4293 San Mateo Alpine School House Comment
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Oct 6 2011
  CAS-BOT-BC439594  Claytonia parviflora subsp. parviflora Fred Hemphill 1973-4-8 656 San Mateo San Carlos. Area north of Malabar Rd. and Melendy Dr. 207 Comment
  UC7902  Claytonia parviflora subsp. parviflora J. Burtt Davy 1893-6-17 793 San Mateo Belmont Comment
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Sep 4 2011
  JROH3340  Claytonia parviflora subsp. parviflora John Hunter Thomas 1989-4-20 24640 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD100726  Claytonia perfoliata E. Jacqueline Garcia 1986-4-19 s.n. San Mateo San Bruno Mountains, 0.25 mile from Summit Loop trailhead on Guadeloupe Canyon Road. Comment
  CAS-BOT-BC439991  Claytonia perfoliata subsp. mexicana Peter H. Raven 1951-2-18 2729 San Mateo Brisbane Comment
  JROH3343  Claytonia perfoliata subsp. perfoliata John H. Thomas 1963-5-15 10088 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3352  Claytonia perfoliata subsp. perfoliata John Hunter Thomas 1983-4-2 21302 San Mateo Jasper Ridge Biological Preserve, Stanford University; by Rattlesnake Rock Comment
  CAS-BOT-BC443658  Claytonia perfoliata subsp. perfoliata Catherine A. Toschi 1963-3-17 63 -48 San Mateo East slope San Bruno Mountains below radio station 213 Comment
  SEINET182860 Image available Claytonia perfoliata subsp. perfoliata John Campbell 1925-1-26 San Mateo Burlingame. Comment
  JROH3407  Clematis lasiantha John H. Thomas 1959-4-5 7666 San Mateo Jasper Ridge Biological Preserve, Stanford University. Chaparral at the western end of the ridge Comment
  JROH3421  Clematis ligusticifolia Toni Corelli 2007-8-28 336 a San Mateo Jasper Ridge Biological Preserve, Stanford University; below Trail 2, above San Francisquito Creek along embankment 71 Comment
  CAS-BOT-BC499403  Clintonia andrewsiana Anna F. Rodda 1932-5-2 s.n. San Mateo Laguna Honda Comment
  CAS-BOT-BC499406  Clintonia andrewsiana A. D. E. Elmer 1903-5-1 4331 San Mateo Butano Creek Comment
  RSA377075  Clintonia andrewsiana D. D. Keck 1932-6-1 1797 San Mateo One mile west of Skyline Blvd on La Honda Road, Santa Cruz Mtns. Comment
  JROH5692  Collinsia heterophylla var. heterophylla John Rawlings 2015-3-31 1419 San Mateo Jasper Ridge Biological Preserve, Stanford University; about 75 meters upstream of footbridge on Trail 11 135 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
  UC676737  Collinsia multicolor Reed C. Rollins 1941-3-22 2953 San Mateo 2 mi se of Daly City (San Bruno Hills); San Bruno Hills Comment
  JROH4016  Collinsia sparsiflora var. collina Herbert Dengler 1963-5-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; lower edge of serp. by "up" road S.W. of Searsville Rocks Comment
  JROH4019  Collinsia sparsiflora var. collina John H. Thomas 1976-4-3 18078 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5707  Collinsia sparsiflora var. collina John Rawlings 2015-3-15 1349 B San Mateo Jasper Ridge Biological Preserve, Stanford University 110 Comment
  HSC23940  Collomia heterophylla Mary Katherine Wicksten 1971-7-12 166 San Mateo Huddart Park; beside Archery Trail above Archery Flat Comment
  RSA191938  Conioselinum gmelinii R. F. Thorne, P. Everett 1963-6-9 32237 San Mateo On top of San Bruno Mountain on Kamchatka Point near the TV tower 335 Comment
  UC1348938  Conioselinum pacificum Robert F. Thorne and P. Everett 1963-6-9 32237 San Mateo top of San Bruno Mountain 335 Comment
  POM87978  Conium maculatum L. R. Abrams 1901-12 2243 San Mateo Kings Mountain Comment
  SEINET4182808 Image available Conium maculatum Robert A. Norris 1985-10-11 4979 San Mateo San Francisco, near S end of Middle Lake, Chain of Lakes, Gold State Park, San Francisco F. Co., Calif. Fls. white. Comment
  SEINET5547340  Convolvulus arvensis H. S. Gentry 1931-1 94 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  UC885647  Cordylanthus pilosus subsp. pilosus Roxana Stinchfield 1915-10-14 255 San Mateo basaltic columns near Stanford University Comment
  POM273538  Cordylanthus pilosus subsp. pilosus Lyman Benson 1934-7-28 6106 San Mateo Stanford University. Santa Cruz mtn range, S.F. Bay watershed. 152 Comment
  CAS-BOT-BC101476  Corethrogyne filaginifolia David D. Keck 1932-5-25 1785 San Mateo East side of Crystal Springs Lake Comment
  CAS-BOT-BC101483  Corethrogyne filaginifolia George Oberlander 1950-4-3 863 San Mateo Grassland east of Lower Crystal Spr. Lake Comment
  JEPS30902  Corethrogyne filaginifolia J. H. Thomas 1958-6-11 7221 San Mateo about 4.3 mi due e of Belmont; Crystal Springs Reservoir 91 Comment
  UC87472  Corethrogyne filaginifolia Katharine Brandegee 1905-6-20 San Mateo near Lake Pilarcitos Comment
  RSA187486  Cornus californica John H. Thomas 1954-4-3 3817 San Mateo Along San Gregorio Creek about 1.5 miles west of La Honda. Alt. about 350 feet. Comment
  CDA34067  Cornus sericea D. G. Kelch 2011-3-13 11 .056-B San Mateo Near Half Moon Bay along Capistrano Creek. 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-BC190044  Cortaderia jubata J. H. Thomas 1958-9-15 7472 San Mateo 0.4 mile north of dam on San Mateo Creek along Skyline Boulevard. 91 Comment
  CDA18373  Cortaderia selloana G. D. Barbe 1978-9-26 2441 San Mateo Skylawn Memorial Park; drive from Hwy 92 into the park. 716 Comment
  CAS-BOT-BC180360  Corylus cornuta subsp. californica W. S. Atkinson 1901-7-3 s.n. San Mateo Pescadero. Santa Cruz Peninsula Comment
  CAS-BOT-BC180367  Corylus cornuta subsp. californica A. D. E. Elmer 1903-3-1 4536 San Mateo King's Mountain Comment
  JROH1336  Corylus cornuta subsp. californica John Hunter Thomas 1981-2-14 20228 San Mateo Jasper Ridge Biological Preserve, Stanford University; redwood area below dam Comment
  CAS-BOT-BC287202  Cosmos bipinnatus Prof. W. R. Dudley 1894-3-28 s.n. San Mateo Santa Cruz Mt Peninsula.l Opposite Halfmoon Bay Comment
  CAS-BOT-BC141553  Cotoneaster pannosus Walter Knight; Irja Knight 1964-9-2 s.n. San Mateo Crocker Avenue near Guadalupe Road - San Bruno Mountain Comment
  CAS-BOT-BC452290  Cotoneaster pannosus Elizabeth McClintock; Paul Reeberg 1988-5-30 s.n. San Mateo San Bruno Mountain; Colma Canyon Comment
  JROH3632  Cotoneaster pannosus John H. Thomas 1968-4-19 14295 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3635  Cotoneaster pannosus John H. Thomas 1974-10-12 17622 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH661  Cotula coronopifolia John Hunter Thomas 1981-5-14 20583 San Mateo Jasper Ridge Biological Preserve, Stanford University; below Searsville Lab Comment
  CAS-BOT-BC427833  Crassula connata John H. Thomas 1965-4-29 10630 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  CAS-BOT-BC427836  Crassula connata Elizabeth McClintock 1965-4-11 s.n. San Mateo San Bruno Mountain. Near Guadalupe Road in Crocker Hills. Comment
  JROH1894  Crassula tillaea Toni Corelli 2008-3-10 344 San Mateo Jasper Ridge Biological Preserve, Stanford University; below Searsville Lab in bare areas along old road cut 113 Comment
  CAS-BOT-BC344962  Crataegus monogyna Peter Rubtzoff 1975-11-8 8435 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. Comment
  CAS-BOT-BC291511  Crepis capillaris James McMurphy 1909-10-31 s.n. San Mateo Hooper's Place, Woodside Comment
  JROH1955  Croton setiger John H. Thomas 1959-8-22 8076 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS90291  Cryptantha clevelandii Dean W. Taylor 1989-8-1 10415 San Mateo saddle between North Peak and Montara Knob (Santa Cruz Mountains, Montara Mountain, dirt road serrving PG&E Half Moon Bay to Pacifica high-voltage transmission lines); Santa Cruz Mountains, Montara Mountain 518 Comment
  JROH1386  Cryptantha clevelandii var. florosa Toni Corelli 2003-5-28 262 San Mateo Jasper Ridge Biological Preserve, Stanford University. Bird marker along Trail 9 at edge of chaparral. 140 Comment
  JROH1359  Cryptantha flaccida John H. Thomas 1956-4-7 5617 San Mateo Jasper Ridge Biological Preserve, Stanford University; open serpentine area on top of ridge and adjacent slopes Comment
  JROH6202  Cryptantha torreyana var. pumila John Rawlings 2014-5-6 1231 San Mateo Jasper Ridge Biological Preserve, Stanford University; on the top of Trevor's Knoll, about 70 m north of Trail 10. 181 Comment
  CAS-BOT-BC80655  Cupressus goveniana Hubert Jenkins 1903-7-27 s.n. San Mateo Butano Creek Comment
  CDA33530  Cuscuta indecora Koren Widdel 2008-10-23 PDR# 1481070 San Mateo Menlo Park; 521 Entrada Way. 0 Comment
  CDA6261  Cymbalaria muralis E. L. Labadie 1962-6-28 San Mateo San Mateo. 0 Comment
  JROH1389  Cynoglossum grande Le Roy Abrams 1902-4-6 2317 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Comment
  POM128514  Cynoglossum grande L. R. Abrams 1902-4-6 2317 San Mateo Searsville. Comment
  CAS-BOT-BC114777  Cyperus acuminatus Ira L. Wiggins 1973-7-29 22046 San Mateo Bed of San Francisquito Creek, 50-200 m upstream from Pope Street Bridge. Comment
  JROH4386  Cyperus eragrostis John H. Thomas 1959-8-22 8084 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4389  Cyperus eragrostis John H. Thomas 1974-10-29 17647 San Mateo Jasper Ridge Biological Preserve, Stanford University. Small peninsula created by drainage channel cut to accommodate water from Corte Madera Cr. Comment
  UC517566  Cyperus eragrostis John Thomas Howell 1926-10-9 2216 San Mateo near Lake San Andreas Comment
  CAS-BOT-BC114453  Cyperus eragrostis David Daniels Keck 1931-8-6 1263 San Mateo Desiccated swamp near Searsville Lake. 75 Comment
  CAS-BOT-BC114456  Cyperus eragrostis W. R. Dudley 1908-6-19 s.n. San Mateo Road from Tanforan to Jersey Dairy. Comment
  JROH4397  Cyperus erythrorhizos John Hunter Thomas 1982-11-6 21204 San Mateo Jasper Ridge Biological Preserve, Stanford University; delta along edge of Searsville Lake Comment
  JROH21  Cystopteris fragilis Lawrence J. Winship 1974-11-16 20 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH23  Cystopteris fragilis John Hunter Thomas 1992-4-23 25153 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Rattlesnake Rocks and along trail to redwoods Comment
  JROH5028  Dactylis glomerata John Hunter Thomas 1988-5-12 24458 San Mateo Jasper Ridge Biological Preserve, Stanford University. Grassy area near bridge between the two parts of Searsville Lake Comment
  CAS-BOT-BC192241  Danthonia californica R. S. Ferris 1921-5-28 2189 San Mateo Near Pescadero, coast road Comment
  JROH5036  Danthonia californica John H. Thomas 1967-6-1 12947 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5039  Danthonia californica John H. Thomas 1970-4-28 15606 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU15927  Danthonia californica John Rawlings, Toni Corelli 2016-5-13 1759 San Mateo Vallemar Bluff, Moss Beach. USGS Montara Mountain OE W 7.5 Minute (1:24,000 Scale) Topographic Map. 11 Comment
  UCD60466  Danthonia californica A. A. Beetle 1942-6-11 3595 San Mateo 2 miles north of South San Francisco. Comment
  JROH222  Daucus pusillus John H. Thomas 1968-5-22 14455 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH224  Daucus pusillus John H. Thomas 1969-6-4 15114 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CHSC373  Deinandra corymbosa B. Richardson 1929-5-11 San Mateo Moss Beach. 6 Comment
  JEPS20107  Deinandra corymbosa Peter H. Raven 1957-9-1 11295 San Mateo 1.1 mi s Pigeon Point Lighthouse Comment
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Aug 2 2007
  JROH673  Deinandra corymbosa W. R. Dudley 1893-7-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Comment
  OBI48631  Deinandra corymbosa Lewis S. Rose 1937-8-29 37644 San Mateo Moss Beach 15 Comment
  SD30841  Deinandra corymbosa Edith A. Purer 1932-7-18 4025 San Mateo Near Pigeon Point. Comment
  UC127291  Deinandra corymbosa Katharine Brandegee 1908-3-8 San Mateo San Pedro Pt. Comment
  JEPS35779  Deinandra corymbosa V. F. Hesse 1964-5-26 3201 San Mateo near coast Whitehouse Creek Road 45 Comment
  SEINET7838962 Image available Deinandra corymbosa D. D. Keck 1932-5-25 1784 San Mateo Hills two miles west of Belmont Comment
  CAS-BOT-BC299215  Deinandra corymbosa subsp. corymbosa Walter Knight; Irja Knight 1965-5-15 s.n. San Mateo Pig Ranch Ravine, San Bruno Mountain Comment
  JEPS23534  Delairea odorata J. H. Thomas 1958-12-18 7509 San Mateo just w San Bruno (along Skyline Blvd.) Comment
  CAS-BOT-BC9213  Delphinium californicum J. H. Thomas 1961-5-7 9279 San Mateo San Bruno Mountain in northern part of county 396 Comment
  JROH3436  Delphinium californicum subsp. californicum John Hunter Thomas 1980-6-5 19999 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3441  Delphinium californicum subsp. californicum John Hunter Thomas 1989-5-11 24730 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along road near and below dam Comment
  CAS-BOT-BC9211  Delphinium californicum subsp. californicum J. H. Thomas 1960-6-1 8772 San Mateo Near dam along edge of Searsville Lake Comment
  CAS-BOT-BC9246  Delphinium decorum Henry Nicholas Bolander s.n. San Mateo San Bruno Comment
  UC854136  Delphinium hesperium Alice Eastwood 1912-6-10 320 San Mateo Crystal Springs Comment
  CAS-BOT-BC10294  Delphinium hesperium L. Gershenson 1980-3-15 3 San Mateo Rest stop on 280 north of 92 182 Comment
  CHSC60193  Delphinium nudicaule Jan M. Karaz 1979-5-27 59 San Mateo 3 mi e of Hwy 280 intersection with Woodside Road, 1.2 mi e of Woodside on Mountain Home Road. 7 Comment
  SD37308  Delphinium nudicaule Edith A. Purer 1933-5-24 3617 San Mateo Alpine Road Comment
  JROH3456  Delphinium patens subsp. patens John H. Thomas 1977-4-21 18540 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3459  Delphinium patens subsp. patens John Hunter Thomas 1985-4-11 23521 San Mateo Jasper Ridge Biological Preserve, Stanford University. Grassy area below and to the east of Searsville Dam Comment
  CAS-BOT-BC116533  Delphinium patens subsp. patens P. H. Arnaud 1941-4-21 s.n. San Mateo Hills - back of Hesler farm, Redwood City Comment
  CAS-BOT-BC7889  Delphinium variegatum LeRoy Abrams 1902-5-11 2454 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC7900  Delphinium variegatum Alice Eastwood 1896-5-1 s.n. San Mateo Crystal Springs Comment
  CAS-BOT-BC7940  Delphinium variegatum John Hunter Thomas 1971-5-2 15829 San Mateo near intersection of Canada and Edgewater Roads, about 4 miles SW of center of Redwood City 304 Comment
  CAS-BOT-BC7941  Delphinium variegatum John Hunter Thomas 1974-4-11 17134 San Mateo SE of Canada Road and Edgewood Road, NW of Woodside 152 Comment
  CAS-BOT-BC7892  Delphinium variegatum H. Paul Arnaud 1941-5-3 s.n. San Mateo Jefferson Avenue, Redwood City Comment
  UC467751  Delphinium variegatum Milo S. Baker San Mateo near Burlingame Comment
  CAS-BOT-BC7896  Delphinium variegatum subsp. variegatum Ned Cahill 1974-4-29 200 San Mateo near jct. of Canada and Edgewood Roads, about 3 mi. westward from Redwood City Comment
  CAS-BOT-BC389715  Dendromecon rigida Sharon Rogers 1966-4-1 105 San Mateo San Mateo Comment
  RSA15262  Dendromecon rigida Carl B. Wolf 1927-2-26 226 San Mateo On the La Honda grade Comment
  CAS-BOT-BC192598  Deschampsia cespitosa subsp. holciformis L. R. Abrams 1927-6-15 s.n. San Mateo Spring Valley Lakes Comment
  JROH5048  Deschampsia danthonioides John H. Thomas 1975-5-26 17917 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD63320  Deschampsia elongata S. S. Tillett; I. Sternback 1956-6-25 544 San Mateo On Middleton property s. of road to Portola State Park, just before entrance. 396 Comment
  CAS-BOT-BC906  Dicentra chrysantha Alice Eastwood 1915-5-30 4519 San Mateo Mt. Diablo Comment
  SEINET10533994  Dichelostemma capitatum Kimber 1918-4-25 KIMBER s.n. San Mateo Plants of the Santa Cruz Mountain Peninsula. Jasper Ridge. Serpentine. Comment
  IRVC9053  Dichelostemma capitatum subsp. capitatum P. W. Rundel 1962-4-15 1030 San Mateo La Canada Road; 1 mi. N of Pulgas Water Temple. 122 Comment
  RSA3928  Dichelostemma capitatum subsp. capitatum Harry A. Dutton 1900-3-25 s.n. San Mateo The Santa Cruz Peninsula Comment
  UCD139212  Dichelostemma capitatum subsp. capitatum R. E. Dengler 1960-4-10 6 San Mateo Jasper Ridge, Stanford Biological Reserve. 190 Comment
  CAS-BOT-BC150461  Diplacus aurantiacus John H. Thomas 1958-3-19 7046 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco 91 Comment
  RSA128879  Dipsacus sativus P. H. Raven 1950-6-3 s.n. San Mateo along Millbrae Ave., Millbrae. 61 Comment
  JROH4197  Dirca occidentalis Miss A. M. Patterson 1906-2-11 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4205  Dirca occidentalis John H. Thomas 1971-4-21 15770 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4216  Dirca occidentalis Carol Zabel 1989-2-20 1 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
  UC1042323  Dirca occidentalis John Thomas Howell 1954-7-8 30012 San Mateo canyon 0.5 mi below Lake Pilarcitos Dam Comment
Read comments
Feb 2 2012
  SEINET7900488 Image available Dirca occidentalis John H. Thomas 1958-1 6980 San Mateo Jasper Ridge, about 5 mi SW of Palo Alto 152 Comment
  POM169497  Disporum hookeri var. hookeri C. F. Baker 1903-04 5052 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC195718  Distichlis spicata Phillip C. Wheeler 1965-8-14 s.n. San Mateo At Brisbane Lagoon Comment
  CDA19686  Dittrichia graveolens J. Beall 2001-10-18 PDR 064552 San Mateo North Coast; East end of Weeks St. next to Bay Lands Nature Preserve vicinity of East Palo Alto. 0 Comment
  JROH3377  Dodecatheon clevelandii subsp. patulum Duncan M. Porter 1961-2-5 738 San Mateo Jasper Ridge Biological Preserve, Stanford University. In middle of corral at lower end of large meadow on crest of ridge Comment
  UCD166150  Dodecatheon clevelandii subsp. sanctarum Jack Major; M. Forde and S. Bamberg 1962-4-3 734 San Mateo 10 miles south of Ano Nuevo Pt. above Scott Creek. (Exact location unknown. Coordinates estimated by label maker). 115 Comment
  JROH3382  Dodecatheon hendersonii John H. Thomas 1958-2-15 6987 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3385  Dodecatheon hendersonii John H. Thomas 1968-3-17 14179 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1019562  Dodecatheon hendersonii H. J. Thompson 1952-3-6 1516 San Mateo 2 mi w Woodside (Kings Mountain Road); , w of Woodside Comment
  SEINET5548367  Dodecatheon hendersonii H. S. Gentry 1931-1 10 San Mateo 1.5 miles W of San Mateo, Half-Moon Bay road. Comment
  CDA39075  Dracunculus vulgaris M. K. Beyers 2013-5-31 s.n. San Mateo Montara State Beach, McNee Ranch Trail Trailhead. Comment
  CAS-BOT-BC159547  Drymocallis glandulosa var. glandulosa John H. Thomas 1961-5-7 s.n. San Mateo San Bruno Mountain in northern part of county. 396 Comment
  CAS-BOT-BC159504  Drymocallis glandulosa var. glandulosa Elizabeth McClintock; David Schooly; Kim Marcus 1975-4-13 s.n. San Mateo Grassy slope above Hillside Blvd., South San Francisco - San Bruno Mountain Comment
  CAS-BOT-BC159544  Drymocallis glandulosa var. glandulosa Donald A. Johansen 1933-5-18 705 San Mateo Hills above Searsville Lake along road from Portola to La Honda Comment
  POM267960  Drymocallis glandulosa var. wrangelliana Jens Clausen 1941-7-1 1872 San Mateo Summit of Montara Mtn 274 Comment
  CAS-BOT-BC67884  Dryopteris arguta Le Roy Abrams 1902-3-16 2273 San Mateo King's Mountain Comment
  POM217106  Dryopteris arguta D. D. Keck 1932-2-12 1361 San Mateo La Honda Road, east slope of Coast Range above Searsville Lake 305 Comment
  RSA693753  Dryopteris arguta C. B. Wolf 1928-3-14 1537 San Mateo La Honda grade in the Santa Cruz Mountains 152 Comment
  UCR130218  Dudleya caespitosa George K. Helmkamp, E. A. Helmkamp 1999-6-28 4995 San Mateo Pescadero Creek Watershed, Bean Hollow Road 0.3 mi south of Pescadero Road (SW of Pescadero). Slopes above Butano Creek 61 Comment
  CAS-BOT-BC410871  Dudleya caespitosa Reid Moran 1951-7-3 3499 San Mateo Devils Slide, 2 miles north of Montara Comment
  CAS-BOT-BC428362  Dudleya farinosa Ira L. Wiggins 1929-7-4 3802 San Mateo Near the mouth of Pescadero Creek, 2 miles from town of Pescadero Comment
  CAS-BOT-BC208921  Echinochloa crus-galli Ira L. Wiggins 1980-8-29 22266 San Mateo Bed of San Francisquito Creek, ca 240 m upstream from Pope Street Bridge, Manlo [Menlo] Park Comment
  RSA101005  Echinochloa crus-galli G. Oberlander 1949-10-25 393 San Mateo Upper Crystal Springs Lake, San Francisco Watershed Reserve Comment
  JROH4307  Echinodorus berteroi John Hunter Thomas 1981-7-12 20701 San Mateo Jasper Ridge Biological Preserve, Stanford University; on sandy beach Comment
  CDA20116  Ehrharta erecta K. Melo 2003-4-21 PDR 205211 San Mateo San Francisco Bay Area; Urban yard in Redwood City. 0 Comment
  UCD61202  Ehrharta erecta Robert E. Preston 2004-6-10 2252 San Mateo Ca. 8 mi NW of Boulder Creek, in Pescadero Creek watershed. 234 Comment
  UCD61216  Ehrharta erecta Glen L. Holstein 1978-3-1 s. n. San Mateo Near Pescadero Point. Comment
  JEPS100765  Elymus californicus Dean W. Taylor 2000-6-12 17464 San Mateo Montara Mountain, Scarper Peak, western slope of the peak near the summit 502 Comment
  UCD37959  Elymus glaucus Beecher Crampton 1962-6-11 6497 San Mateo San Mateo County, northern city limits of Pacifica, along State Highway 1, just southwest of its junction with Skyline Boulevard. Comment
  SEINET10554351  Elymus glaucus Peter H. Raven 1950-6-3 Raven 2232 San Mateo Roadside cut, Millbreae Avenue, Millbrae. Comment
  UCR279842  Elymus repens Peter Rubtzoff 1977-6-21 9055 San Mateo San Francisco Bay Region, San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 213 Comment
  CAS-BOT-BC204302  Elymus trachycaulus subsp. trachycaulus L. R. A. 1902-5-11 2452 San Mateo Crystal Springs Comment
  SJSU15940  Elymus trachycaulus subsp. trachycaulus John Rawlings, Ken Hickman 2016-5-26 1816 A San Mateo Serpentine seep area up-slope from the Hwy 92 west onramp to Hwy 280 north; down-slope from San Francisco Watershed fence line 122 Comment
  UCD62711  Elymus trachycaulus subsp. trachycaulus L. R. Abrams 1902-5-11 2452 San Mateo Crystal Springs. Comment
  CDA2063  Elytrigia repens R. G. Lauder 1958-10-2 1451 San Mateo San Mateo. 0 Comment
  CAS-BOT-BC166142  Epilobium canum subsp. canum Walter Knight; Irja Knight 1965-5-15 1112 San Mateo Pig Ranch Ravine. Up about half way on south facing slope 213 Comment
  CAS-BOT-BC166615  Epilobium canum subsp. canum C. F. Leithold 1894-8-12 s.n. San Mateo Summit near Black Mt., Santa Cruz Mts. Comment
  UC1122298  Epilobium canum subsp. canum G. E. Sindel 1935-8-19 335 San Mateo 1 mi sw Langley Hill; Santa Cruz Quadrangle Comment
  JROH3057  Epilobium ciliatum subsp. ciliatum Ann Lambrecht 2006-8-14 26 San Mateo Jasper Ridge Biological Preserve, Stanford University; spillway of dam, western half, top tier Comment
  RSA175071  Epilobium ciliatum subsp. watsonii Robert F. Thorne, Percy C. Everett 1963-6-9 32211 San Mateo On top of San Bruno Mountain, near TV tower. 335 Comment
  RSA181285  Epilobium ciliatum subsp. watsonii John H. Thomas 1954-6-11 4292 San Mateo About 1 mile north of Pigeon Point, near coast 30 Comment
  JROH3061  Epilobium densiflorum John H. Thomas 1971-8-7 16018 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3068  Epilobium densiflorum John Hunter Thomas 1981-7-12 20703 San Mateo Jasper Ridge Biological Preserve, Stanford University; on old beach Comment
  JROH3072  Epilobium minutum Herbert Dengler 1964-5-17 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; to be found ca. 100 yds. w. of tiger lily site on serp. slope Comment
  JROH3075  Epilobium torreyi John H. Thomas 1969-5-28 15091 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD103601  Epipactis helleborine Chris Bronny 2010-9-21 s.n. San Mateo Along channelized banks of Belmont Creek S of Harbor Blvd and E of Industrial Blvd. 15 Comment
  CDA39515  Epipactis helleborine C. M. Sill 1975-8-4 s.n. San Mateo Woodside, 439 Glenwood Ave. 0 Comment
  JEPS79605  Equisetum arvense Edward Lee and Ann Johnson 1974-8-24 San Mateo near Pillar Point (Princeton Marsh) Comment
  CAS-BOT-BC57602  Equisetum telmateia Ira L. Wiggins 1925-4-1 1669 San Mateo First bridge across small creek on Kings Mountain Road above Woodside Comment
  CAS-BOT-BC57612  Equisetum telmateia A. D. E. Elmer 1903-3-1 4501 San Mateo Portola Comment
  CAS-BOT-BC57607  Equisetum telmateia George Oberlander 1950-4-2 568 San Mateo south boundary Comment
  CAS-BOT-BC57617  Equisetum telmateia J. H. Thomas 1950-3-5 1295 San Mateo About 5 miles from Pescadero toward La Honda along highway 152 Comment
  RSA684684  Equisetum telmateia var. braunii J. Doty 1969-3-27 608 San Mateo S side of State Hwy 84, ca 500 W of Bridge No. 35-165, ca 6 miles E of State Hwy 1. Comment
  JROH5144  Eragrostis pectinacea var. pectinacea Ann Lambrecht 2005-8-24 20 San Mateo Jasper Ridge Biological Preserve, Stanford University. Sand Hill Road fence 5 or 6 m from Bear Creek crossing. 89 Comment
  JROH5721  Eragrostis pectinacea var. pectinacea John Rawlings 2015-9-22 1642 San Mateo Jasper Ridge Biological Preserve, Stanford University. In mud of Corte Madera Creek delta near open water 104 Comment
  CAS-BOT-BC299885  Erechtites glomeratus Robert F. Thorne; P. Everett 1963-6-9 32212 San Mateo Near TV tower on top of San Bruno Mountain 335 Comment
  SJSU14204  Eriastrum abramsii Toni Corelli 1989-4-25 202 San Mateo Edgewood County Park 219 Comment
  RSA0103881  Eriastrum abramsii L. S. Rose 1937-9-21 37659 San Mateo Emerald Lake. 183 Comment
  POM359360  Ericameria ericoides var. ericoides D. D. Keck 1931-10-5 1286 San Mateo 1 mile north of Salada Beach, 200 meters from the ocean. Comment
  CHSC25996  Ericameria parishii James Henrickson 1969-10-19 4189 San Mateo 6 mi. NNW of Descanso on Boulder Creek Rd. Comment
Read comments
Dec 11 2013
  JROH649  Erigeron canadensis John H. Thomas 1976-10-16 18423 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low flow crossing Comment
  JROH653  Erigeron canadensis John Hunter Thomas 1988-10-17 24600 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR240776  Erigeron glaucus T. B. Salvato, Lia V. D. Mansfield, Joel-Henry J. Mansfield 2008-6-14 3521 San Mateo Central Coast, Pebble Beach State Beach, 12.5 mi north of Santa Cruz Co. line, along Hwy 1, Pacific Coast Hwy, 1.65 mi south of road to Pesacadero and 16 mi south of Half Moon Bay 11 Comment
  SEINET11859443  Erigeron glaucus M. T. Doutt 1931-3-14 239 San Mateo along coast S of San Francisco Comment
  CAS-BOT-BC300064  Erigeron philadelphicus Philip Wheeler 1965-7-7 s.n. San Mateo San Bruno Mountain. April Brook Comment
  CAS-BOT-BC216129  Eriodictyon californicum Walter Knight 1964-9-14 850 San Mateo Peak Mt., west of summit Comment
  CAS-BOT-BC216245  Eriodictyon californicum Josephine D. Randall 1907-6-1 165 San Mateo Los Trancos Road near Stanford University, Santa Cruz Peninsula Comment
  CAS-BOT-BC216250  Eriodictyon californicum Volney Rattan 1881-1-1 s.n. San Mateo Belmont Comment
  JROH2718  Eriodictyon californicum John H. Thomas 1970-7-5 15667 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD38515  Eriodictyon californicum Edith A. Purer 1933-5-25 3650 San Mateo La Honda Grade Comment
  CAS-BOT-BC250542  Eriogonum gracile W. R. Dudley 1902-9-21 s.n. San Mateo Santa Cruz Peninsula. Whipple Road near Crystal Springs Lake Comment
  UC1537293  Eriogonum gracile Gordon H. True Jr. 1937-7-31 831 San Mateo roadside, Alpine Road Alpine Road 182 Comment
  RSA3885  Eriogonum latifolium I. L. Wiggins 1929-7-4 3797 San Mateo Pescadero Beach Comment
  SD88537  Eriogonum latifolium Darley F. Howe 1972-6-25 San Mateo 7.5 miles north of Half Moon Bay Comment
  UC1032118  Eriogonum latifolium G. E. Sindel 1935-8-15 334 San Mateo 1/2 mi n Palomares; Sata Cruz Quadrangle Comment
  UC311072  Eriogonum latifolium A. D. E. Elmer July, 1903 4557 San Mateo Half Moon Bay Comment
  UC566073  Eriogonum latifolium G. E. Sindel 1935-7-25 302 San Mateo mouth of Pescadero Creek Santa Cruz Quadrangle, Pescadero Creek 3 Comment
  RSA766114  Eriogonum latifolium D. D. Keck 1931-10-5 1287 San Mateo 1 mile north of Salada Beach, 200 meters from the ocean. Comment
  UCSC009195  Eriogonum latifolium Randall Morgan 2013-5-24 5531 San Mateo On steep, ocean-facing slope around 1+ mile inland, above upper Lake Lucerne Comment
  POM165062  Eriogonum luteolum A. D. E. Elmer 1903-06 4309 San Mateo Belmont Comment
  UC912827  Eriogonum luteolum var. luteolum Lewis S. Rose 1937-9-21 37661 San Mateo w Redwood City (Emerald Lake); Emerald Lake 182 Comment
  SJSU7503  Eriogonum nudum Lewis S. Rose 1964-9-9 64074 San Mateo W of Redwood City 243 Comment
  OBI10996  Eriogonum nudum var. auriculatum Lewis S. Rose 1964-9-9 64074 San Mateo Emerald Lake, W of Redwood City 244 Comment
  SEINET5728888 Image available Eriogonum vimineum Delzie Demaree 1933-1 10514 San Mateo Sky line Drive. Comment
  CAS-BOT-BC304067  Eriophyllum confertiflorum Walter & Irja Knight 1963-7-14 297 San Mateo Quarry 3, San Bruno Mt Comment
  RSA418518  Eriophyllum confertiflorum Jerry A. Powell 1972-3-10 910 San Mateo Mt. San Bruno Comment
  CAS-BOT-BC301260  Eriophyllum lanatum var. arachnoideum W. R. Dudley 1894-7-7 s.n. San Mateo By Bear Gulch road Comment
  CAS-BOT-BC301267  Eriophyllum lanatum var. arachnoideum George Oberlander 1950-7-15 1019 San Mateo San Francisco Watershed Reserve 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
  UC1718080  Eriophyllum lanatum var. arachnoideum John S. Mooring 1967-7-25 1225 San Mateo hwy 35 ca. 100 yards N of Bear Gulch Road Comment
  JEPS34328  Eriophyllum lanatum var. arachnoideum L. R. Heckard and Rimo Bacigalupi 1963-7-2 1334 San Mateo above summit of old country road; Montara Mt. 304 Comment
  JEPS28876  Eriophyllum latilobum V. F. Hesse 1962-6-26 3152 San Mateo 9 mi n of Saratoga Summit Highway 5; ; <State route 5 became state route 35> 609 Comment
Read comments
Sep 8 2011
  POM204328  Eriophyllum latilobum I. L. Wiggins 1929-7-4 3785 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  UC306665  Eriophyllum latilobum A. D. E. Elmer 1903-6-1 4897 San Mateo San Mateo Comment
  CAS-BOT-BC301973  Eriophyllum staechadifolium Dr. Barton W. Evermann 1924-6-22 s.n. San Mateo Ano [Ano] Nuevo Island Comment
  CAS-BOT-BC301976  Eriophyllum staechadifolium Saichi Kawahara 1968-7-29 461 San Mateo Old Stage Road, south bank of Pomponio Creek 36 Comment
  UC1118210  Eriophyllum staechadifolium T. Tyrrell 1928-9-26 7 San Mateo 2 mi s San Gregorio; Santa Cruz Quad. 182 Comment
  UCR121572  Eriophyllum staechadifolium George K. Helmkamp, E. A. Helmkamp 1999-6-28 5004 San Mateo Pescadero Creek Watershed, Bean Hollow Road 0.3 mi south of Pescadero Road (SW of Pescadero). Slopes above Butano Creek 61 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
  CDA5404  Eriophyllum staechadifolium var. artemisiifolium T. R. Haig 1959-6-22 2639 San Mateo Half Moon Bay. 0 Comment
  RSA328357  Erodium botrys Robert A. Norris 1984-5-9 4731 San Mateo Olivet Memorial Park throughway, Colma. Comment
  RSA176420  Eryngium aristulatum var. aristulatum John H. Thomas 1964-7-9 10443 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto Comment
  POM204324  Eryngium armatum I. L. Wiggins 1929-7-4 3794 San Mateo Pescadero Beach Comment
  SD88370  Eryngium armatum Darley F. Howe 1972-6-25 San Mateo 7.5 miles north of Half Moon Bay. Comment
  CAS-BOT-BC54513  Erysimum capitatum Reed Clark Rollins 1941-3-22 2951 San Mateo San Bruno Hills, 2 miles southeast of Daly City. Comment
  CAS-BOT-BC54819  Erysimum franciscanum H. E. Parks; S. T. Parks 1930-3-10 0401 San Mateo Spring Valley Lakes. Comment
  CAS-BOT-BC54839  Erysimum franciscanum G. B. Rossbach; R. P. Rossbach 1938-3-15 800 San Mateo East side Crystal Springs Lake. 106 Comment
  CAS-BOT-BC54841  Erysimum franciscanum G. B. Rossbach; R. P. Rossbach 1939-6-4 914 San Mateo Above southeast shore of Crystal Springs Lake, soutwest base Pulgas Ridge. 91 Comment
  CAS-BOT-BC54853  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-BC54871  Erysimum franciscanum J. H. Thomas 1960-3-11 8540 San Mateo Near intersection of Bunker Hill Road and Skyline Drive. 91 Comment
  CAS-BOT-BC54876  Erysimum franciscanum C. F. Baker 1902-3-22 342 San Mateo Crystal Spring Lakes. Comment
  PGM1716  Erysimum franciscanum Helen Lind 1977-3-12 San Mateo Devils Slide Area Highway 1 Devils, Highway 1 in Devil's Slide Area Comment
  RSA101845  Erysimum franciscanum G. B. Rossbach 1939-5-12 913 San Mateo 1.5 miles N of Sharp Park (Salada Beach) Comment
  RSA102123  Erysimum franciscanum G. B. Rossbach 1955-3-26 576 San Mateo Upper N slope of San Bruno Mountain, N of radio tower 335 Comment
  RSA396108  Erysimum franciscanum Quinn P. Sinnott 1976-2-9 602 San Mateo Path leading from Radio Road, northern end of San Bruno Mountains 305 Comment
  UC1034936  Erysimum franciscanum G. B. and R. P. Rossbach 1939-5-12 913 San Mateo dunes just back of high sea-cliff 1 1/2 mi n Sharp Park (Salada Beach) Comment
  UC1034944  Erysimum franciscanum G. B. and R. P. Rossbach 1938-3-15 800 San Mateo rocky knolls and roadbank on e side of lake Crystal Springs Lake 106 Comment
  UC1034947  Erysimum franciscanum G. B. and R. P. Rossbach 1939-6-4 915 San Mateo w slope of ridge between Crystal Springs Lake and San Andreas Lake (small isolated pinnacle); Buriburi Ridge 121 Comment
  UC1034948  Erysimum franciscanum G. B. and R. P. Rossbach 1939-6-4 914 San Mateo knoll above se shore Crystal Springs Lake (sw base of ridge); Pulgas Ridge 91 Comment
  UC1084387  Erysimum franciscanum G. Thomas Robbins 1937-4-11 93 San Mateo meadow near Spring Valley Lakes (along road to Woodside) Comment
  UC534993  Erysimum franciscanum H. E. and S. T. Parks 1930-3-10 401 San Mateo Spring Valley Lakes 152 Comment
  PGM187  Erysimum franciscanum Vern Yadon 1968-4-5 San Mateo Pigeon Pt Lighthouse Highway 1, Pigeon Pt Lighthouse just S of Comment
  RSA0001945  Erysimum franciscanum G. B. Rossbach 1955-3-26 572 San Mateo High seaward slope 2 mi. S of San Francisco line & 3 mi. N of Sharp Peak (Salada). Comment
  CAS-BOT-BC403549  Eschscholzia californica John H. Thomas 1971-5-2 15812 San Mateo Near intersection of Canada and Edgewater roads. About 4 miles SW of center of Redwood City 304 Comment
  JEPS51732  Eschscholzia californica Dr. L. M. Newlon 1921-1 246 San Mateo sea shore from Salada to Mussel Comment
  JROH3096  Eschscholzia californica John H. Thomas 1969-4-12 14881 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH3099  Eschscholzia californica John H. Thomas 1975-5-26 17911 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC403541  Eschscholzia californica H. A. Dutton 1900-4-29 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  CAS-BOT-BC403545  Eschscholzia californica H. L. Mason 1922-3-26 s.n. San Mateo Mouth of Gazos Creek Comment
  CAS-BOT-BC403554  Eschscholzia californica W. S. Chandler 1901-3-30 s.n. San Mateo San Mateo Comment
  CAS-BOT-BC403557  Eschscholzia californica Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mt. Cable Ravine Comment
  RSA0012612  Eucalyptus globulus John H. Thomas 1965-4-13 10566 San Mateo In San Carlos along El Camino Real. Comment
  CAS-BOT-BC202741  Euonymus occidentalis A. D. E. Elmer 1903-5-1 4317 San Mateo Butano Creek Comment
  JROH1804  Euonymus occidentalis var. occidentalis John Rawlings, Paul Heiple 2007-4-11 1026 San Mateo Jasper Ridge Biological Preserve, Stanford University; about 10 meters inside Preserve boundary near its SW corner 115 Comment
  UC635625  Euonymus occidentalis var. occidentalis Herbert L. Mason 1924-10-8 1110 San Mateo 2 1/2 mi. w. Palo Alto (n.w. end of Jasper Ridge); Jasper Ridge Comment
Read comments
Sep 19 2011
  RSA130685  Euphorbia crenulata C. F. (illegible) 1894-3-28 s.n. San Mateo Lobitas road. Comment
  JROH5972  Eurybia radulina Ann Lambrecht, Alice Cummings, John Rawlings 2017-9-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Confluence of Bear Creek and San Francisquito Creek. 84 Comment
  CAS-BOT-BC310616  Eurybia radulina W. R. Dudley 1896-7-30 s.n. San Mateo Santa Cruz Mountain Peninsula. Old Cable Trail near Searsville Comment
  CAS-BOT-BC413877  Fallopia convolvulus Ira L. Wiggins 1935-8-24 8159 San Mateo 2 mi. E. of Half Moon Bay Comment
  SJSU5380  Felicia bergeriana C. S. Hendrick 1963-3-20 San Mateo Sharon Estate Comment
  JROH5160  Festuca arundinacea John Hunter Thomas 1987-5-26 24320 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5163  Festuca arundinacea John Hunter Thomas 1988-5-12 24456 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Lakeside Laboratory Comment
  CAS-BOT-BC278285  Festuca californica James McMurphy 1906-5-20 s.n. San Mateo Road to Kings Mt. Comment
  CAS-BOT-BC278350  Festuca californica subsp. californica L. R. A. 1902-5-11 2461 San Mateo Crystal Springs Comment
  CAS-BOT-BC278349  Festuca californica subsp. californica W. R. Dudley 1899-4-23 s.n. San Mateo Santa Cruz Mountain Peninsula. Permanente Creek, north Branch Comment
  RSA502347  Festuca californica var. californica D. W. Taylor 1988-4-8 9504 San Mateo San Bruno Mountain, northern slope of southeast ridge of the mountain, near the ridgecrest. 238 Comment
  CAS-BOT-BC539285  Festuca idahoensis John Rawlings; Ken Hickman 2015-6-8 1577 San Mateo Caltrans right-of-way above Hwy 92 E of Hwy 280, downslope from San Francisco Watershed fenceline 118 Comment
  CAS-BOT-BC278861  Festuca occidentalis W. R. Dudley 1900-5-19 s.n. San Mateo Santa Cruz Mountain Peninsula. Above La Honda Comment
  JEPS21675  Festuca occidentalis W. R. Dudley 1895-6-1 San Mateo Pescadero Creek Comment
  RSA135767  Festuca occidentalis W. R. Dudley 1895-06 s.n. San Mateo Pescadero Creek. Comment
  JROH5507  Festuca octoflora John Rawlings 2009-5-4 1029 San Mateo Jasper Ridge Biological Preserve, Stanford University; in Trail 9 where the trail make a sharp bend below the holly-leaved cherry alley and trends slightly uphill 142 Comment
  JROH5286  Festuca perennis John Hunter Thomas 1984-4-24 23305 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  OBI21962  Festuca perennis Lewis S. Rose 1956-7-2 56116 San Mateo Skyline Blvd, Hills W of San Mateo 183 Comment
  JROH5297  Festuca temulenta John Rawlings 2007-5-30 1014 San Mateo Jasper Ridge Biological Preserve, Stanford University; edge of mowed area (fire truck turn around) near Goya Gate 192 Comment
  RSA218035  Filago gallica Walter Knight, I. Knight 1967-5-16 s.n. San Mateo Randolph Ave., south San Francisco Comment
  CAS-BOT-BC166812  Foeniculum vulgare Peter Rubtzoff 1978-9-16 9269 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction; in upper part of East Fork Colma Creek canyon. Comment
  RSA134237  Fragaria californica John H. Thomas 1950-3-19 1299 San Mateo Near intersection of Coast Hwy and road to Swanton, 1 mile SE of mouth of Waddell Creek. 30 Comment
  RSA0051577  Fragaria californica W. M. Arbaugh 1968-4-10 267 San Mateo Butano State Park. Comment
  RSA133096  Fragaria californica Donald A. Johansen 1933-5-18 709 San Mateo Along road from Portola to La Honda. Comment
  JEPS44879  Fragaria chiloensis W. L. Jepson 1921-4-3 9115 San Mateo canyon near Colma Comment
  POM139629  Fragaria chiloensis A. D. E. Elmer 1903-04 4799 San Mateo San Pedro. Comment
  CAS-BOT-BC437041  Fragaria chiloensis Barrett Anderson; Peter Rubtzoff 1988-4-22 3659 San Mateo Saddle area north of Guadalupe Canyon Parkway, San Bruno Mountain 275 Comment
  JEPS44882  Fragaria vesca W. L. Jepson 9545 San Mateo Lake San Andreas 182 Comment
  JROH3664  Fragaria vesca John H. Thomas 1976-10-16 18427 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1127972  Fragaria vesca H. S. Yates 1935-2-3 5006 San Mateo 0.5 mi se Pigeon Pt.; Santa Cruz Quad. 30 Comment
  JROH5912  Fragaria vesca L. Nordby 1982-4-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Near San Fracisquito Creek, east of the Redwood grove Comment
  CAS-BOT-BC52676  Frangula californica subsp. californica W. R. Dudley 1899-12-2 s.n. San Mateo near Gazos Creek, Big Basin Comment
  JROH3537  Frangula californica subsp. californica John H. Thomas 1968-5-22 14459 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3572  Frangula californica subsp. tomentella John Hunter Thomas 1981-2-14 20212 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC223552  Fraxinus latifolia George Oberlander 1949-8-20 367 San Mateo San Francisco Watershed Reserve. Below San Andreas Dam Comment
  CAS-BOT-BC130123  Fritillaria affinis D. D. Davis 1903-5-2 s.n. San Mateo Near La Honda Comment
  SEINET8501280 Image available Fritillaria affinis L. M. Henry, M. E. Springer 1946-7-21 371 San Mateo La Honda Comment
  CAS-BOT-BC130383  Fritillaria liliacea Lewis S. Rose 1933-4-2 33049 San Mateo Redwood City Comment
  CAS-BOT-BC130386  Fritillaria liliacea John H. Thomas 1969-4-30 15031 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  RSA289961  Fritillaria liliacea I. Smith 1915-3-15 s.n. San Mateo Hillsboro Comment
  SD39121  Fritillaria liliacea Marie Cummings 1933-4-11 7 San Mateo Spring Valley Lake. Comment
  UCD95125  Fumaria officinalis A. P. N. 1960-3-11 517 San Mateo Highway 1, south of Montara. Comment
  RSA195511  Galium aparine John H. Thomas 1966-4-22 11566 San Mateo Jasper Ridge Biological Experimental Area. About 5 miles SW of Palo Alto. Comment
  UCR123146  Galium californicum subsp. californicum George K. Helmkamp, E. A. Helmkamp 2001-6-2 6778 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
  CDA33978  Galium porrigens D. G. Kelch, David Gernandt, Steffi Ickert-Bond, Yingli Guo 2011-4-22 11 .148 San Mateo Santa Cruz Mountains.; Skyline Blvd, ~ 5 miles W of Los Altos. Comment
  JROH3814  Galium porrigens var. porrigens John Hunter Thomas 1983-4-28 21782 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH795  Gamochaeta ustulata John Hunter Thomas 1981-5-8 20550 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH798  Gamochaeta ustulata John Hunter Thomas 1983-5-23 22239 San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack side & low-flow crossing Comment
  JROH803  Gamochaeta ustulata John Hunter Thomas 1987-5-5 24245 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD84710  Gamochaeta ustulata Robert E. Preston 2009-6-16 2688 San Mateo Santa Cruz Mtns, ca. 0.5 mi NW of Waterman Gap. 347 Comment
  RSA116710  Garrya elliptica Josephine Randall 1910-02 s.n. San Mateo Los Traucos Creek. Comment
  CAS-BOT-BC278662  Gastridium phleoides Fred Hemphill 1973-5-14 812 San Mateo San Carlos. North of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC59639  Gaultheria shallon Herbert L. Mason 1920-6-25 s.n. San Mateo Pescadero Cr. Comment
  CAS-BOT-BC219147  Genista monspessulana Elizabeth McClintock; Philip Wheeler 1967-6-11 s.n. San Mateo San Bruno Mountain. Radio Road in the Eucalyptus area. Comment
  JROH2000  Genista monspessulana John H. Thomas 1960-4-22 8594 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2011  Genista monspessulana John Hunter Thomas 1981-4-30 20518 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA0028369  Geranium carolinianum W. R. Dudley 1898-4-24 s.n. San Mateo Field near Corte de Madera Bridge. Comment
  JROH2614  Geranium dissectum John H. Thomas 1973-4-14 16555 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA0028488  Geranium dissectum John H. Thomas 1964-4-30 10339 San Mateo Near intersection of El Camino Real and F St, Colma Comment
  CAS-BOT-BC166682  Geranium dissectum Peter Rubtzoff 1976-5-22 8546 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  RSA0028489  Geranium dissectum Josephine Randall 1907-6-29 149 San Mateo Portola Valley. Comment
  JROH2631  Geranium robertianum Carol Zabel 2006-4-24 57 a San Mateo Jasper Ridge Biological Preserve, Stanford University. Upper stream bank, Bear Creek crossing, east side. 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
  JROH3152  Gilia achilleifolia subsp. multicaulis John H. Thomas 1967-4-28 12722 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3155  Gilia achilleifolia subsp. multicaulis John H. Thomas 1977-4-19 18533 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM282276  Gilia achilleifolia subsp. multicaulis Lyman Benson 1935-5-5 6532 San Mateo Lake Searsville. 152 Comment
  RSA20368  Gilia angelensis C. B. Wolf 1938-4-24 9401 San Mateo 1/4 mile SW of the San Francisquito Creek bridge back of Stanford University. 61 Comment
  UCSC008259  Gilia clivorum Randall Morgan 1987-4-29 s.n. San Mateo 1st big canyon at Devil's Slide Comment
  SD38795  Gilia tricolor Alice Spalding 1933-4-18 3724 San Mateo Comment
  CAS-BOT-BC303849  Gnaphalium John H. Thomas 1961-5-7 9286 San Mateo San Bruno Mt in N part of county 396 Comment
  RSA3894  Gnaphalium chilense I. L. Wiggins 1929-7-4 3792 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach Comment
  RSA91707  Gnaphalium luteoalbum J. T. Howell 1935-1-13 12578 San Mateo Lake San Andreas. Comment
  JROH828  Grindelia John H. Thomas 1972-5-5 16079 San Mateo Jasper Ridge Biological Preserve, Stanford University 123 Comment
  JROH811  Grindelia camporum G. H. Mallory 1909-7-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; south end of Jasper Ridge Comment
  RSA40139  Grindelia camporum L. S. Rose 1948-11-29 48243 San Mateo Mills Field. Comment
  UCD132477  Grindelia camporum John Thomas Howell 1964-12-6 41032 San Mateo Vacant lot near Southern Pacific Railroad station, Millbrae. Comment
  CAS-BOT-BC304527  Grindelia hirsutula John H. Thomas 1961-8-27 9707 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC304556  Grindelia hirsutula Phillip C. Wheeler 1965-4-27 s.n. San Mateo San Bruno Mountain. Sierra Point Comment
  SJSU15767  Grindelia hirsutula Toni Corelli 2011-9-14 722 San Mateo Rockaway Headlands, southwest of Rockaway Beach, Pacifica 53 Comment
  CAS-BOT-BC304520  Grindelia hirsutula V. F. Hesse 1961-8-24 3026 San Mateo Near, north of, Pigeon Point 4 Comment
  CAS-BOT-BC304524  Grindelia hirsutula W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Peninsula. South side Montara Mt Comment
  UCSB24492  Grindelia hirsutula McMinn, Howard 1922-6-22 San Mateo Court road & Half Moon Bay Comment
  POM181504  Grindelia stricta var. platyphylla H. F. Copeland 1928-2-25 982 San Mateo Montara. Comment
  POM308523  Grindelia stricta var. platyphylla Henry J. Ramsey, Henry J. Ramsey 1939-10-7 3172 San Mateo Coast, Highway 1. Comment
  POM273889A  Guillenia lasiophylla Lyman Benson 1931-3-15 2649 San Mateo Emerald Lake; Redwood City; Mt. Range: Santa Cruz; Watershed: San Francisco Bay 152 Comment
  UC137310  Guillenia lasiophylla C. F. Baker 1902-4-6 459 San Mateo Crystal Springs Lake Comment
  RSA121240  Hainardia cylindrica A. Hormay 1932-5-29 17 San Mateo San Bruno. Comment
  CAS-BOT-BC306285  Hedypnois cretica Thayne C. Parks 1963-5-28 321 San Mateo In Woodside Road, about 2 miles east of summit Comment
  JROH840  Helenium puberulum John Hunter Thomas 1980-11-27 20178 San Mateo Jasper Ridge Biological Preserve, Stanford University; along causeway Comment
  POM54261  Helenium puberulum A. D. E. Elmer 1903-07 4972 San Mateo Crystal Springs Lake 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
  CAS-BOT-BC309533  Helenium puberulum George Oberlander 1949-7-30 318 San Mateo San Francisco Watershed Reserve. Pilarcitos Canyon Comment
  CAS-BOT-BC309536  Helenium puberulum Josephine D. Randall 1907-6-12 72 San Mateo Santa Cruz Peninsula. Portola Road near Stanford University Comment
  CAS-BOT-BC344859  Helenium puberulum Peter Rubtzoff 1976-6-30 8710 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. Comment
  JROH831  Helenium puberulum John H. Thomas 1964-11-29 10548 San Mateo Jasper Ridge Biological Preserve, Stanford University; eastern arm of Searsville Lake, just above high water mark 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
  UCD18540  Helenium puberulum Roman Gankin 1950-7-4 8 San Mateo east side of the Peninsula Coast Range, off of the King's Mtn. Rd. behind Woodside. 609 Comment
  JROH853  Helianthella californica var. californica John Hunter Thomas 1978-4-20 19081 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH858  Helianthella californica var. californica John Hunter Thomas 1987-5-5 24255 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH861  Helianthella californica var. californica John Hunter Thomas 1989-5-9 24722 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH849  Helianthella californica var. californica J. S. McMurphy 1911-5-9 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC305341  Helianthella castanea Glenn L. Clifton 1988-5-11 17823 San Mateo San Bruno Mountain, canyon on north-facing slope above Brisbane, adjacent to right-of-way of eastern-most set of PGandE high-voltage powerlines crossing the mountain 256 Comment
  CAS-BOT-BC224050  Helianthemum scoparium Fred Hemphill 1973-5-14 805 San Mateo San Carlos. North of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC224054  Helianthemum scoparium Fred Hemphill 1973-5-6 772 San Mateo San Carlos. North of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC224057  Helianthemum scoparium George Oberlander 1949-6-25 225 San Mateo San Francisco Watershed Reserve Comment
  JROH1833  Helianthemum scoparium John H. Thomas 1961-6-14 9537 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC305629  Helianthus californicus George Oberlander 1950-4-23 880 San Mateo San Francisco Watershed Reserve. Near stone gate south of Lower Crystal Spr. Lake Comment
  CAS-BOT-BC305928  Helminthotheca echioides Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountain. Radio Road Comment
  CAS-BOT-BC305931  Helminthotheca echioides Alice Eastwood 1919-9-1 s.n. San Mateo San Mateo Comment
  CAS-BOT-BC313457  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1910-8-24 s.n. San Mateo Corte Madera Creek Comment
  CAS-BOT-BC314920  Hemizonia congesta subsp. luzulifolia John H. Thomas 1971-5-2 16848 San Mateo Near intersection of Canada Road and Edgewater Road about three miles westward from Redwood City 152 Comment
  JROH867  Hemizonia congesta subsp. luzulifolia Richard L. Garber 1971-7-13 52 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH875  Hemizonia congesta subsp. luzulifolia John Hunter Thomas 1991-8-4 25078 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM51989  Hemizonia congesta subsp. luzulifolia C. F. Baker 1903-6-30 3350 San Mateo Crystal Springs Comment
  UC193423  Hemizonia congesta subsp. luzulifolia H. M. Hall 1916-7-13 10225 San Mateo 2.2 km e Crystal Springs Lake (from along road n of creek and up side of hill to n); San Mateo Creek Comment
  CAS-BOT-BC313454  Hemizonia congesta subsp. luzulifolia J. McMurphy 1909-8-29 s.n. San Mateo Summit between Crystal Springs Lake and Belmont, Santa Cruz Peninsula Comment
  SEINET7076100  Hemizonia corymbosa A. G. Vestal 1955-5-31 s.n. San Mateo Near Pebble Beach off Route 1. (NAD 27; 37.2369? deg. North Latitude, 122.4153? deg. West Longitude, UTM Zone 10, 551863mE, 4121109mN). [GPS Coordinate: WGS84/NAD83]. Comment
  SEINET7883351 Image available Hemizonia corymbosa L. S. Rose 1941-1 41361 San Mateo Moss Beach 16 Comment
  RSA107063  Hemizonia luzulifolia L. S. Rose 1956-5-28 56082 San Mateo Skyline Blvd W of San Mateo. 183 Comment
  RSA81636  Hemizonia luzulifolia James I. McMurphy 1909-5-25 s.n. San Mateo Summit between San Mateo and Crystal Springs Lakes. Comment
  JROH252  Heracleum maximum John Hunter Thomas 1986-5-1 23989 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low flow crossing near San Francisquito Creek Comment
  POM287748  Heracleum maximum Lyman Benson 1931-4-13 2710 San Mateo Behind Stanford University, bottom land at junction with Corte Madera Creek Comment
  JROH878  Hesperevax sparsiflora var. sparsiflora H. A. Borthwick 1920-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH886  Hesperevax sparsiflora var. sparsiflora John Hunter Thomas 1978-4-20 19084 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH890  Hesperevax sparsiflora var. sparsiflora John Hunter Thomas 1981-4-23 20484 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH899  Hesperevax sparsiflora var. sparsiflora John Hunter Thomas 1991-5-2 25008 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC176208  Hesperolinon congestum A. D. E. Elmer 1903-5-1 4422 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC176210  Hesperolinon congestum L. R. Abrams 1920-6-1 7497 San Mateo Back of Redwood City Comment
  SJSU7855  Hesperolinon congestum J. R. Verbarg 1955-5-14 San Mateo Redwood City Hills back of Redwood City Comment
  JEPS121586  Hesperolinon disjunctum Ryan E. O'Dell 2013-6-13 San Mateo About 1.35 airline mile S of Black Mountain peak. Comment
Read comments
Jan 13 2022
  JROH2922  Hesperolinon micranthum John H. Thomas 1963-5-15 10093 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2930  Hesperolinon micranthum John H. Thomas 1975-5-26 17899 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2933  Hesperolinon micranthum John Hunter Thomas 1981-5-25 20624 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM149362  Hesperomecon linearis A. D. E. Elmer 1903-06 4594 San Mateo San Bruno Hills Comment
  JROH5556  Heterocodon rariflorum John Rawlings, Toni Corelli 2013-4-16 1139 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 2 extension about 115 meters from wooden trail marker near the boundary fence east of Escobar Gate. 148 Comment
  CAS-BOT-BC148468  Heteromeles arbutifolia Margaret A. Barry 1937-6-24 179 San Mateo Exposed slopes on Coal Mine Ridge Comment
  JROH3682  Heteromeles arbutifolia John Hunter Thomas 1981-2-14 20223 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA0072445  Heteromeles arbutifolia John H. Thomas 1958-11-22 7504 San Mateo Jasper Ridge, about 5 miles southwest of Palo Alto. 152 Comment
  RSA451286  Heteromeles arbutifolia E. A. Purer 1932-7-18 15930 San Mateo Kings Mtn Comment
  RSA71287  Heteromeles arbutifolia L. S. Rose 1949-8-10 49156 San Mateo Skyline Blvd, W of Tanforan 122 Comment
  UC311087  Heteromeles arbutifolia A. D. E. Elmer Feb 1903 4575 San Mateo Portola Comment
  CAS-BOT-BC308944  Heterotheca sessiliflora subsp. bolanderi Elizabeth McClintock; Paul Reeberg 1988-4-26 s.n. San Mateo Guadalupe Hills Comment
  CAS-BOT-BC310768  Heterotheca sessiliflora subsp. echioides Phillip C. Wheeler 1965-7-8 s.n. San Mateo San Bruno Mountain. 3 mile ridge Comment
  UCR121560  Heuchera micrantha George K. Helmkamp, E. A. Helmkamp 1999-6-28 4975 San Mateo Pescadero Creek Watershed, Pescadero Road just north of Loma Mar 107 Comment
  RSA0063142  Heuchera micrantha var. hartwegii D. D. Keck 1932-6-1 1794 San Mateo Above Woodside on La Honda Rd. E slope of Santa Cruz Mtns. Comment
  UC897793  Hieracium albiflorum Lewis S. Rose 1939-6-16 39279 San Mateo Kings Mountain 670 Comment
  JEPS48461  Hierochloe occidentalis James G. Daly 1934-1 179 San Mateo 3 mi w Skyline Boulevard Comment
  CAS-BOT-BC55431  Hirschfeldia incana Ira L. Wiggins 1975-8-5 22174 San Mateo Bed of San Francisquito Creek, ca. 100 m above Pope Street bridge, both sides of Santa Clara--San Mateo line. Comment
  CAS-BOT-BC55436  Hirschfeldia incana Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountains. Base of Quarry 2. Comment
  CAS-BOT-BC289249  Holcus lanatus George Oberlander 1949-7-10 262 San Mateo San Francisco Watershed Reserve, south boundary Comment
  JROH5207  Holcus lanatus John H. Thomas 1973-6-15 16837 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC38606  Holcus lanatus Michener and Bioletti 1893-6-15 120 San Mateo Baden Comment
  POM222903  Holodiscus discolor S. S. Berry 1909-05 s.n. San Mateo Los Trancos Creek. 46 Comment
  RSA101035  Holodiscus discolor G. Oberlander 1949-5-21 183 San Mateo Sawyer Ridge, San Francisco Watershed Reserve. Comment
  RSA449783  Holodiscus discolor D. D. Keck 1932-6-1 1795 San Mateo Above Searsville Lake, on road between Woodside and Skyline Blvd. Santa Cruz Mountains. Comment
  CAS-BOT-BC150051  Holodiscus discolor var. discolor George Oberlander 1949-5-21 183 San Mateo Sawyer Ridge Comment
  CAS-BOT-BC150059  Holodiscus discolor var. discolor Robert Robertson 1954-5-1 110 San Mateo By road 2 miles east of Pescadero 30 Comment
  RSA582071  Hordeum D. D. Keck 1932-4-29 1449 San Mateo Redwood City. Fields near the San Francisco Bay salt marshes Comment
  CAS-BOT-BC173839  Hordeum brachyantherum Peter Rubtzoff 1976-5-22 8545 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  JROH5221  Hordeum brachyantherum subsp. californicum John H. Thomas 1973-6-10 16820 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA123427  Hordeum murinum subsp. glaucum N. K. Carlson 1935-6-21 75 San Mateo Ridge between Oil and Stale Creeks 671 Comment
  JROH5256  Hordeum murinum subsp. leporinum John H. Thomas 1967-5-12 12881 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5259  Hordeum murinum subsp. leporinum John Hunter Thomas 1987-5-15 24287 B San Mateo Jasper Ridge Biological Preserve, Stanford University. Low flow crossing. Comment
  CAS-BOT-BC271355  Hordeum vulgare Fred Hemphill 1973-4-22 733 San Mateo Area north of Malabar Road and Melendy Drive, San Carlos 207 Comment
  CAS-BOT-BC271359  Hordeum vulgare George Oberlander 1950-6-3 1041 San Mateo Upper Crystal Spr. Lake, San Francisco Watershed Reserve Comment
  JEPS44582  Horkelia californica Dr. L. M. Newlon 1921-1 250 San Mateo Above Salata to Mussell Rock (Seashore) Comment
Read comments
1
  CAS-BOT-BC536153  Horkelia californica Lewis S. Rose 1966-8-20 66086 San Mateo Head of Colma Canyon, San Bruno Mountain 205 Comment
  SBBG32394  Horkelia californica var. californica L. S. Rose 1966-8-20 San Mateo head of Colma Cyn, San Bruno Mtn 205 Comment
  UCD164331  Hypericum anagalloides Peter Rubtzoff 1976-6-30 8704 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  CDA32036  Hypericum canariense J. Dittes, J Guardino 2007-6-3 1457 San Mateo Central Coast, Ano Nuevo State Reserve, coastal terrace 2.4 air mile Southeast of Pidgeon Point Lighthouse, east side of Hwy 1 on slope south and east of Gazos Creek. Comment
  CHSC56086  Hypochaeris glabra Jan M. Karaz 1979-5-27 53 San Mateo 3 mi east of Hwy 280 intersection with Woodside Road, 1.2 mi east of Woodside on Mountain Home Road. 7 Comment
  RSA176615  Hypochaeris glabra John H. Thomas 1964-4-30 10338 San Mateo Near intersection of El Camino Real and F St, Colma Comment
  UCD133331  Hypochaeris glabra W. A. Harvey; J. M. Tucker 1948-6-29 1706 San Mateo Beside road to Portola State Park, just west of junction with Highway 5 (Skyline Boulevard). Comment
  CAS-BOT-BC311480  Hypochaeris radicata Louis F. Pitelka 1973-4-30 s.n. San Mateo Bolsa Point, about 1 mi N of Pigeon Point and about 39 mi S of San Francisco Comment
  JROH926  Hypochaeris radicata John H. Thomas 1967-6-1 12965 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET11259798 Image available Hypochaeris radicata K. Thorne, J. Chandler 1986-7-25 4918 San Mateo Half Moon Bay, 2 miles south of Moss Beach at Dune Beach. Comment
  CAS-BOT-BC311487  Hypochaeris radicata W. R. Dudley 1906-6-10 s.n. San Mateo Santa Cruz Mountain Peninsula. So. Cahill Ridge Comment
  CAS-BOT-BC311493  Hypochaeris radicata Elizabeth McClintock 1965-5-23 s.n. San Mateo San Bruno Mountain. Top ridge east of Nike Station Comment
  POM361225  Hypochaeris radicata E. A. Purer 1932-7-18 4005 San Mateo Half Moon Bay Comment
  UC1537236  Iris douglasiana Gordon H. True Jr. 1936-4-5 392 San Mateo canyon between San Gregorio and Salada Beach 304 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
  CAS-BOT-BC133653  Iris longipetala Roxana Stinchfield 1910-5-3 267 San Mateo Half Moon Bay - near town Comment
  CAS-BOT-BC133656  Iris longipetala John H. Thomas 1955-4-6 4838 San Mateo East facing slope of San Bruno Mountain just north of South San Francisco 91 Comment
  CAS-BOT-BC133670  Iris longipetala Walter Knight; Irja Knight 1964-1-15 508 San Mateo South slope, Colma Canyon Comment
  JROH4435  Iris pseudacorus M. Whitley 1990-4-27 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. By floats in Searsville Lake. Comment
  RSA116774  Isoetes howellii W. R. Dudley 1909-10-31 s.n. San Mateo Woodside Valley pond. Comment
  RSA132406  Isolepis cernua John H. Thomas 1959-7-8 8017 San Mateo Pescadero Beach. Comment
  CAS-BOT-BC112441  Isolepis cernua Lewis Samuel Rose 1956-7-2 56117 San Mateo Skyline Blvd. hills of San Mateo 182 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
  SEINET7589113 Image available Isolepis cernua E. B. Copeland 1903-5-24 3258 San Mateo Montara Point. Comment
  CAS-BOT-BC340136  Jaumea carnosa LeRoy Abrams 1901-9-1 2224 San Mateo Cooley's Landing Comment
  CAS-BOT-BC102322  Juglans hindsii D. E. Breedlove 1973-9-26 35553 San Mateo Pescadero Creek County Park 365 Comment
  CAS-BOT-BC173699  Juncus bufonius Peter Rubtzoff 1977-6-7 9029 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  RSA796693  Juncus bufonius Peter Rubtzoff 1977-6-21 9066 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  JROH4452  Juncus bufonius var. bufonius John Hunter Thomas 1978-5-23 19225 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4455  Juncus bufonius var. bufonius John Rawlings 2012-5-25 1119 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near the intersection of Road E and Trail 13 southeast of Searsville Lake. 112 Comment
  POM259790  Juncus bufonius var. bufonius I. L. Wiggins, Roxana S. Ferris 1939-8-2 9291 San Mateo Ano Nuevo Point 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
  RSA276358  Juncus bufonius var. congestus Jane Turner, Francis M. Ball 1962-7-7 SK&F- 1083 San Mateo Highway 1, ca. 10 miles N of Santa Cruz County line. Comment
  SJSU16033  Juncus capitatus Toni Corelli, John Rawlings 2016-4-29 1773 San Mateo Cascade Field along Atkinson Bluff Trail, north of Cascade Cr. Trail, in Ano Nuevo State Park 11 Comment
  JEPS121406  Juncus hesperius Toni Corelli 2008-10-1 346 San Mateo Jasper Ridge Biological Reserve, Searsville Lake Comment
  JROH4482  Juncus occidentalis John Hunter Thomas 1978-5-16 19214 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA39185  Juncus occidentalis W. Plummer 1974-4-18 s.n. San Mateo Pescadero, Carlene Shade property. 0 Comment
  JROH4477  Juncus occidentalis H. J. Dengler 1961-5-19 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; old heron rookery Comment
  UC1101090  Juncus patens Malcolm A. Nobs and S. Galen Smith 1949-8-26 1587 San Mateo about 1 mi s Half Moon Bay Comment
  CAS-BOT-BC227612  Juncus patens Peter Rubtzoff; Elizabeth McClintock; Paul Reeberg 1989-6-3 s.n. San Mateo San Bruno Mountains. Shearwater 22 Comment
  SEINET11789769  Juncus patens W. R. Dudley 1895-1 San Mateo along San Francisquito Creek, Stanford Univ., Santa Cruz Peninsula Comment
  JROH5797  Juncus phaeocephalus John Rawlings 2016-5-3 1779 San Mateo Jasper Ridge Biological Preserve, Stanford University. South of Trail 9 and west of Rd F in contact drainage 185 Comment
  UCR280164  Juncus phaeocephalus Peter Rubtzoff, Roman Gankin 1976-6-30 8702 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-BC210078  Juncus phaeocephalus Peter Rubtzoff 1980-8-4 9563 San Mateo San Bruno Mountain. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  CAS-BOT-BC210092  Juncus phaeocephalus Peter Rubtzoff 1978-8-17 9262 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  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
  JROH4505  Juncus xiphioides John H. Thomas 1967-6-1 12960 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4516  Juncus xiphioides John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4519  Juncus xiphioides John Hunter Thomas 1981-4-29 20513 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5741  Kickxia spuria John Rawlings 2015-10-2 1661 San Mateo Jasper Ridge Biological Preserve, Stanford University; Bear Creek 81 Comment
  CDA32415  Koeleria P. B. Kennedy 1928-5-2 San Mateo Hills east of Daly City 0 Comment
  SJSU15448  Koeleria gerardi John Rawlings 2012-5-27 1105 San Mateo Near high point of Dusk-footed Woodrat Trail (north loop trail), Pulgas Ridge Open Space Preserve (MROSD). 246 Comment
Read comments
Jun 7 2017
  CAS-BOT-BC273735  Koeleria pyramidata George Oberlander 1950-4-23 914 San Mateo San Francisco Watershed Reserve. Sweeney Ridge Comment
  CAS-BOT-BC340639  Lactuca serriola Ned Cahill 1974-5-13 276 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC340705  Lactuca virosa Walter Knight; Irja Knight 1963-9-18 s.n. San Mateo San Bruno Mountain Comment
  JROH956  Lagophylla ramosissima L. R. Abrams 1914-6-2 5111 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake Comment
  JROH2778  Lamium amplexicaule H. J. Dengler 1975-3-5 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; by road below Searsville Dam Comment
  CAS-BOT-BC339065  Lasthenia californica John Thomas Howell 1933-5-26 11347 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC339058  Lasthenia californica Lewis S. Rose 1933-5-3 33141 San Mateo Montara Comment
  CAS-BOT-BC339082  Lasthenia californica W. R. Dudley 1894-5-1 s.n. San Mateo Santa Cruz Mountain Peninsula. Woodside to Crystal Springs Reservoir Comment
  JROH5789  Lasthenia californica subsp. californica John Rawlings 2016-5-3 1781 San Mateo Jasper Ridge Biological Preserve, Stanford University; bare, rocky, sepentinite about 30 yards west of Rd F in Area C 177 Comment
  JROH976  Lasthenia californica subsp. californica John Hunter Thomas 1980-5-8 19955 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC355496  Lasthenia glaberrima R. Bacigalupi 1923-4-16 s.n. San Mateo Field near San Francisquito Creek near Stanford University Comment
  JEPS24276  Lasthenia glabrata subsp. glabrata J. H. Thomas 1954-4-2 3793 San Mateo 1.5 mi e of center Redwood City Comment
  POM49821  Lasthenia glabrata subsp. glabrata L. R. Abrams 1902-5-11 2456 San Mateo Crystal Springs. Comment
  CAS-BOT-BC355545  Lasthenia glabrata var. glabrata Roxana S. Ferris 1927-4-28 6866 San Mateo Redwood City Comment
  CAS-BOT-BC355550  Lasthenia glabrata var. glabrata Ned Cahill 1974-4-18 132 San Mateo Near intersection of Canada and Edgewood Roads, about 3 mi westward from Redwood City. Comment
  CAS-BOT-BC368185  Lasthenia minor Otto M. Sobol 1953-5-9 s.n. San Mateo Pescadero Beach. Comment
  CAS-BOT-BC205027  Lathyrus jepsonii var. jepsonii W. R. Dudley 1897-5-12 s.n. San Mateo Santa Cruz Peninsula. Road from Bay to Menlo Comment
  POM19350  Lathyrus vestitus subsp. vestitus C. F. Baker 1902-5-10 8256 San Mateo Summit of Coast Range. Comment
  UC1128955  Lathyrus vestitus var. vestitus H. S. Yates 1935-5-8 5203 San Mateo 2 mi n Langley Hill; Santa Cruz Quad. 579 Comment
  UC15326  Lathyrus vestitus var. vestitus J. Burtt Davy 1895-4-20 1054 San Mateo Lake Pilarcitos Comment
  UC69549  Lathyrus vestitus var. vestitus J. Burtt Davy Jun 21 1893-Jun 23 1893 San Mateo Pilarcitos Lake and Canyon Comment
  CAS-BOT-BC323179  Layia chrysanthemoides William R. Dudley 1893-5-17 s.n. San Mateo Near Millbrae. Comment
  CAS-BOT-BC323181  Layia chrysanthemoides K. Curran 1885-4-1 s.n. San Mateo Millbrae Comment
  UC935680  Layia chrysanthemoides David D. Keck 1932-5-6 1488 San Mateo 4 mi w of Burlingame on Skyline Boulevard Comment
  CAS-BOT-BC321068  Layia gaillardioides A. D. E. Elmer 1903-6-1 4261 San Mateo Crystal Springs Lake Comment
  JEPS39180  Layia gaillardioides W. L. Jepson 1914-3-22 5735 San Mateo Redwood City Comment
  CAS-BOT-BC321091  Layia gaillardioides Kellogg; Brannan 1890-5-31 s.n. San Mateo Redwoods Comment
  CAS-BOT-BC321099  Layia gaillardioides David D. Keck 1932-5-6 1483 San Mateo Hills W of Millbrae Highlands, just E of Skyline Blvd.. Comment
  CAS-BOT-BC321100  Layia gaillardioides David D. Keck 1932-6-1 1798 San Mateo 1.5 mi. NE of La Honda (5 mi SW of Skyline Blvd) Comment
  JROH985  Layia hieracioides John H. Thomas 1974-5-3 17236 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH988  Layia hieracioides John Hunter Thomas 1980-5-8 19945 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC583132  Layia hieracioides Lewis S. Rose 1936-5-28 36309 San Mateo w of Redwood City; Emerald Lake 91 Comment
  JROH1002  Layia platyglossa John Hunter Thomas 1981-5-8 20560 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
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Feb 14 2014
  JROH992  Layia platyglossa John H. Thomas 1956-4-7 5622 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH994  Layia platyglossa John H. Thomas 1966-4-21 11564 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  SEINET11811325  Layia platyglossa L. K. Henry 1956-1 s.n. San Mateo along Pacific Ocean at Pigeon Point Lighthouse on Rt. 1 Comment
  UC202834  Lemna gibba A. D. E. Elmer July, 1903 4765 San Mateo San Pedro Comment
  CAS-BOT-BC534550  Lemna gibba W. R. Dudley 1908-6-19 s.n. San Mateo Santa Cruz Peninsula, Ditch N. of Jersey Farm Dairy Comment
  CAS-BOT-BC339115  Leontodon autumnalis R. E. Frenkel 1963-12-7 322 San Mateo San Francisco Water District, 1.5 miles north of Halfmoon [Half Moon] Bay Club Comment
  CAS-BOT-BC221522  Lepechinia calycina George Oberlander 1940-5-31 142 San Mateo San Francisco Watershed Reserve. Sweeney Ridge Comment
  JROH2784  Lepechinia calycina John H. Thomas 1955-5-6 5015 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC306600  Lepechinia calycina A. D. E. Elmer Jun 1903 4416 San Mateo San Mateo Comment
  SEINET12277319  Lepechinia calycina Unknown 1932-1 9175 San Mateo Gov. Rolph's Estate Comment
  JROH1505  Lepidium didymum Toni Corelli 2004-5-19 275 San Mateo Jasper Ridge Biological Preserve, Stanford University. Road H, West stream bank along fence at Bear Creek crossing 82 Comment
  CAS-BOT-BC166770  Lepidium didymum Peter Rubtzoff 1978-7-8 9233 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC311787  Lepidium latifolium John Thomas Howell 1978-7-18 53189 San Mateo At Airport Sheraton, Airport Blvd., Burlingame Comment
  CAS-BOT-BC89706  Lepidium latifolium John Thomas Howell 1978-7-18 53189 San Mateo At Airport Sheraton, Airport Boulevard, Burlingame. Comment
  JROH1544  Lepidium nitidum John H. Thomas 1973-3-11 16479 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSB17149  Lepidium nitidum Schulte, John 1963-4-28 San Mateo Jurassic dike, Jasper Ridge; 3 miles southwest of Stanford campus; between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  CAS-BOT-BC12751  Lepidium oxycarpum Le Roy Abrams 1902-5-16 2277 San Mateo Cooley's Landing. Comment
  RSA66570  Lepidium oxycarpum D. D. Keck 1932-3-24 1401 San Mateo Redwood City, at border of San Francisco Bay. Comment
  RSA95516  Lepidium oxycarpum L. S. Rose 1953-4-5 53009 San Mateo Redwood City, along Bayshore Highway. 3 Comment
  RSA65802  Lepidium perfoliatum D. D. Keck 1932-3-24 1400 San Mateo Redwood City, at border of San Francisco Bay. Comment
  JROH5597  Lepidium strictum John Rawlings 2011-4-24 1086 San Mateo Jasper Ridge Biological Preserve, Stanford University; parking area for Ranger Bath on Rd. L. 108 Comment
  CAS-BOT-BC12949  Lepidium strictum Walter Knight; Irja Knight 1967-5-16 s.n. San Mateo San Bruno Mountains. Randolph Avenue. South San Francisco. Comment
  CAS-BOT-BC12952  Lepidium strictum George Oberlander 1949-6-25 229 San Mateo San Francisco Watershed Reserve. On northern Cahill Ridge. Comment
  POM216309  Lepidium strictum D. D. Keck 1933-5-11 2301 San Mateo Montara Summit, Montara Mountain. Comment
  CAS-BOT-BC226596  Leptosiphon ambiguus A. D. E. Elmer 1903-4-1 4913 San Mateo Crystal Springs Lake Comment
  POM65040  Leptosiphon ambiguus A. D. E. Elmer 1903-04 s.n. San Mateo Crystal Springs Lake. Comment
  JROH3177  Leptosiphon androsaceus Toni Corelli 2003-6-23 263 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 1 83 Comment
  JROH5663  Leptosiphon androsaceus Herb Dengler 1970-4-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; East serpentine Comment
  SD3903  Leptosiphon androsaceus U. S. Grant IV Jun 1925 San Mateo Burlingame Comment
  UC176059  Leptosiphon croceus Miss Kate Cole May 1914 San Mateo Moss Beach Comment
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Feb 8 2016
  JROH3185  Leptosiphon liniflorus Elmer I. Applegate 1895-5-11 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Comment
  SD214610  Leptosiphon parviflorus Carl B. Wolf 1929-5-25 3727 San Mateo Pebble Beach so. of Pescadero Comment
  SJSU8745  Leptospermum laevigatum A. M. Jesse 1979-4-21 San Mateo Sawyer Rd, Crystal Springs Reservoir Comment
  CAS-BOT-BC324053  Lessingia arachnoidea W. R. Dudley 1902-9-21 s.n. San Mateo By road east of Crystal Springs Reservoir, near fork to Alnus House, Santa Cruz Mountains Comment
  CAS-BOT-BC324056  Lessingia arachnoidea L. R. Abrams 1902-9-21 2996 San Mateo Crystal Lake Comment
  CAS-BOT-BC324070  Lessingia arachnoidea L. S. Rose 1941-9-6 41434 San Mateo San Mateo Canyon 90 Comment
  CAS-BOT-BC539289  Lessingia arachnoidea John Rawlings; Ken Hickman 2016-7-21 1906 San Mateo Caltrans right-of-way upslope from Hwy 92 W onramp to Hwy 280 N; downslope from San Francisco Watershed fenceline 122 Comment
  JEPS88045  Lessingia arachnoidea S. Markos 1996-7-28 126 San Mateo 200 yds S of Junction with Golf Course Rd. and Skyline Blvd.; Crystal Springs Reservoir Comment
  POM197775  Lessingia arachnoidea John T. Howell 1926-10-9 2220 San Mateo Between Lake San Andreas and Crystal Springs Lake Comment
  SEINET879065 Image available Lessingia bakeri C. F. Baker 1902-1 1834 San Mateo Searsville. Comment
  JROH1005  Lessingia glandulifera var. glandulifera L. R. Abrams 1910-8-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Comment
  JROH1019  Lessingia glandulifera var. glandulifera John Hunter Thomas 1981-7-24 20727 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC324170  Lessingia hololeuca Cherie Wetzel 1969-7-28 998 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  CAS-BOT-BC324180  Lessingia hololeuca Ned Cahill 1974-8-26 372 San Mateo near the intersection of Canada and Edgewood roads, about 3 miles westward from Redwood City. Comment
  CAS-BOT-BC324184  Lessingia hololeuca LeRoy Abrams 1900-10-1 1004 San Mateo Portola Comment
  CHSC98696  Lessingia hololeuca Samantha Mackey Hillaire 2007-7-17 1244 San Mateo Northwest corner of Edgewood Park, approximately 1.5 mile southeast of the southern end of Upper Crystal Springs reservoir. Southeast corner of the intersection of Edgewood Road and Canada Road. Between park fence and Edgewood Road, on sides of well-used park path through rocks. UTM 10 562177E, 414659N. 146 Comment
  JEPS40998  Lessingia hololeuca Lewis S. Rose 1964-9-5 64072 San Mateo w of Redwood City; Emerald Lake Comment
  SJSU844  Lessingia hololeuca C. D. Duncan 1943-8-15 San Mateo E of Crystal Springs L. Comment
  CAS-BOT-BC273565  Leymus californicus A. D. E. Elmer 1903-6-1 4700 San Mateo San Mateo Comment
  CDA32468  Leymus condensatus T. C. Fuller, I. J. Campbell 1959-1 2595 B San Mateo F. Stelle Ranch, Ano Nuevo Point 0 Comment
  JEPS71209  Leymus mollis subsp. mollis William S. Cooper 1925-5-28 8 San Mateo Salada Comment
  CAS-BOT-BC272186  Leymus triticoides Paul Reeberg 1988-10-31 s.n. San Mateo At mouth of ravine west of quarry, San Bruno Mountains Comment
  UC37061  Leymus triticoides unknown San Mateo San Mateo Comment
  SEINET7876343 Image available Ligustrum vulgare A. T. Whittemore 2001-1 01 -020 San Mateo Garden of 418 Hillway Dr., Redwood City 98 Comment
  CAS-BOT-BC451668  Lilaea scilloides Dr. Kellogg No date on label s.n. San Mateo Near Searsville Comment
  SEINET3154762  Limnanthes douglasii L. S. Rose 1935-5-4 35146 San Mateo Skyline Blvd., W. of San Bruno Comment
  CAS-BOT-BC45871  Limnanthes douglasii var. sulphurea J. Ed. McClellan; Bonnie McClellan 1968-4-13 n.s San Mateo Butano Creek Canyon Comment
  RSA644976  Limnanthes macounii Rudolf Schmid 2000-2-24 2000 -2 San Mateo Aong E side of Hwy 1 S of Moss Beach and directly opposite Half Moon Bay airport. 10 Comment
  SEINET3358242 Image available Limonium californicum Lewis S. Rose 1942-1 42225 San Mateo Brisbane 1 Comment
  JROH4063  Limosella acaulis John Hunter Thomas 1982-11-6 21212 San Mateo Jasper Ridge Biological Preserve, Stanford University; old bathing beach, edge of Searsville Lake Comment
  JROH5866  Limosella acaulis Herb Dengler 1982-8-8 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC238362  Limosella aquatica W. R. Dudley 1909-10-10 s.n. San Mateo The Santa Cruz Mountain Peninsula. Near boat-landing of Club-House, Crystal Springs Reservoir Comment
  UC106676  Linanthus androsaceus Katharine Brandegee 1905-6-20 San Mateo near Lake Pilarcitos Comment
  UC52732  Linanthus androsaceus Ivan Tidestrom May 1894 San Mateo San Mateo Comment
  JROH3182  Linanthus dichotomus W. R. Dudley 1896-3-8 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lake Comment
  SEINET12279071  Linanthus filipes L. S. Rose 1932-1 32140 San Mateo Redwood City Comment
  CDA29905  Lithocarpus densiflorus D. G. Kelch 2009-6-9 9 .408 San Mateo Santa Cruz Mts.; Chert outcrop and adjacent mixed evergreen forest along Skyline Blvd ~1 km W of Skegg s Point. Comment
  RSA152237  Lithocarpus densiflorus var. densiflorus I. L. Wiggins 1925-04 1661 San Mateo On Kings Mountain Road one mile above Woodside just above the first Pseudotsuga menziesii on the right edge of the road. Comment
  JROH3888  Lithophragma affine John H. Thomas 1972-4-1 16048 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC430767  Lithophragma affine Volney Rattan 1883-4-1 s.n. San Mateo Milbrae Comment
  RSA101014  Lithophragma heterophyllum G. Oberlander 1950-4-23 851 San Mateo Pilarcitos Canyon, San Francisco Watershed Reserve Comment
  RSA274343  Lithophragma heterophyllum Lyman Benson 1928-4-21 102 San Mateo Jaspar Ridge. Stanford University. Santa Cruz mtn range. San Francisquito Creek. 152 Comment
  UCD18543  Lobularia maritima Roman Gankin 1950-7-8 11 San Mateo city of Menlo Park, Hermosa Way, along roadside. 30 Comment
  JROH729  Logfia gallica John H. Thomas 1961-4-29 9193 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH743  Logfia gallica John Hunter Thomas 1982-5-18 20944 San Mateo Jasper Ridge Biological Preserve, Stanford University; near main gate Comment
  JROH750  Logfia gallica John Hunter Thomas 1992-5-26 25362 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC283231  Lolium multiflorum Fred Hemphill 1973-5-14 810 San Mateo San Carlos, N of Malabar Rd and Melendy Dr 243 Comment
  JEPS71241  Lolium multiflorum William S. Cooper 1919-7-22 213 San Mateo Ano Nuevo Pt. Comment
  UC38772  Lolium perenne Alice Eastwood May 1894 San Mateo South San Francisco Comment
  UCD164421  Lolium perenne Peter Rubtzoff 1977-6-21 9058 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, northwest of Fog Forest. Comment
  POM132621  Lomatium caruifolium C. F. Baker 1902-3-30 426 San Mateo Crystal Springs Lake Comment
  SEINET473805  Lomatium dasycarpum L. S. Rose 1932-3-10 3268 San Mateo South San Francisco Comment
  UCSB4597  Lomatium dasycarpum Walker, Clifford 1954-4-20 San Mateo Canada Rd. and Jefferson Rd. Comment
  JEPS17132  Lomatium dasycarpum subsp. dasycarpum W. L. Jepson 1914-3-22 5737 b San Mateo Redwood City Comment
  JROH254  Lomatium dasycarpum subsp. dasycarpum Anne Hornby 1952-5-10 111 San Mateo Jasper Ridge Biological Preserve, Stanford University; in hills above Searsville Lake Comment
  JROH272  Lomatium macrocarpum John H. Thomas 1956-4-7 5625 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH274  Lomatium macrocarpum John H. Thomas 1962-5-31 9894 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH280  Lomatium macrocarpum John H. Thomas 1975-5-26 17909 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA34371  Lomatium utriculatum E. Finley 1993-3-3 s.n. San Mateo Edgewood Park. 0 Comment
  CAS-BOT-BC240594  Lonicera hispidula W. R. Dudley 1896-9-15 s.n. San Mateo Santa Cruz Mountain Peninsula. El Corte Madera Creek, Santa Cruz Mts. Comment
  CAS-BOT-BC240597  Lonicera hispidula A. D. E. Elmer 1903-6-1 4255 San Mateo Crystal Springs Lake Comment
  SFV3590  Lonicera hispidula K. A. Wilson 1961-6-24 1237 San Mateo Santa Cruz Mountains Skyline Blvd. (California Highway 5). 625 Comment
  CAS-BOT-BC241543  Lonicera involucrata var. ledebourii W. R. Dudley June s.n. San Mateo San Francisquito Cr., Palo Alto Ranch Comment
  POM46739  Lonicera involucrata var. ledebourii C. F. Baker 1903-4-8 1918 San Mateo San Andreas Lake Comment
  RSA181234  Lonicera involucrata var. ledebourii John H. Thomas 1964-6-19 10429 San Mateo 0.9 miles S of Tunitas Creek near Coast Hwy, 61 Comment
  RSA788374  Lonicera involucrata var. ledebourii Peter Rubtzoff 1980-12-11 9635 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. East Fork Colma Creek Canyon area. Comment
  UC306767  Lonicera involucrata var. ledebourii A. D. E. Elmer June, 1903 4272 San Mateo Lake San Andreas Comment
  RSA107440  Lotus corniculatus L. S. Rose 1955-6-20 55107 San Mateo Pescadero 5 Comment
  RSA276357  Lotus corniculatus Jane Turner, Francis M. Ball 1962-7-7 1088 San Mateo Highway 1, ca. 10 miles N of Santa Cruz County line. Comment
  UC81143  Lotus formosissimus Mrs. J. M. Hutchings 1895-4-4 San Mateo Pescadero Comment
  UC1128997  Lotus purshianus var. purshianus G. E. Sindel 1935-8-28 343 San Mateo 2 mi se Crystal Springs Lake; Santa Cruz Quad. 167 Comment
  POM18624  Lotus stipularis C. F. Baker 1902-5-10 805 San Mateo Kings Mountain. Comment
  HSC23955  Lotus unifoliolatus var. unifoliolatus Mary Katherine Wicksten 1971-6-22 92 San Mateo Huddart Park by horse ring Comment
  UC81109  Lotus wrangelianus C. F. Baker 1902-5-1 776 San Mateo Crystal Springs Lake Comment
  UCR240782  Lupinus T. B. Salvato, Lia V. D. Mansfield, Joel-Henry J. Mansfield 2008-6-14 3514 San Mateo Central Coast, Pebble Beach State Beach, 12.5 mi north of Santa Cruz Co. line, along Hwy 1, Pacific Coast Hwy, 1.65 mi south of road to Pesacadero and 16 mi south of Half Moon Bay 11 Comment
  JROH2146  Lupinus affinis Toni Corelli 2010-3-29 362 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along Road E 106 Comment
  RSA262978  Lupinus affinis Dunn, Brown 1946-5-15 2542 San Mateo 3.7 miles northeast of La Honda on the southeast side of the highway from Woodside to La Honda. Comment
  SD116302  Lupinus affinis David B. Dunn, Brown 1946-5-15 2542 San Mateo Open lush meadow in the hilltops of the San Francisco Peninsula, 3.7 miles NE of La Honda on the SE side of the highway from Woodside to La Honda Comment
  SEINET10488379  Lupinus albifrons Charles Piper Smith 1948-4-23 Smith 48150 San Mateo Canada road 4 miles n of woodside Comment
  CAS-BOT-BC195791  Lupinus albifrons var. albifrons Charles Piper Smith 1948-6-21 48460 San Mateo Highway 5 - junction San Bruno Road 3, 0.8 miles south Comment
  CAS-BOT-BC195799  Lupinus albifrons var. albifrons Charles Piper Smith 1948-6-21 48463 San Mateo Highway 5 - junction Burlingame 4 mile road, 0.6 miles North Comment
  CAS-BOT-BC195801  Lupinus albifrons var. albifrons Charles Piper Smith 1944-6-15 44103 San Mateo Broadway, railroad right of way Comment
  CAS-BOT-BC195809  Lupinus albifrons var. albifrons W. R. Dudley 1894-4-21 s.n. San Mateo Ravine of San Mateo Creek 3 miles above town Comment
  CAS-BOT-BC196115  Lupinus albifrons var. collinus Charles Piper Smith 1908-4-26 1417 San Mateo S. San Francisco - north, base of San Bruno Mt. Comment
  CAS-BOT-BC196119  Lupinus albifrons var. collinus Charles Piper Smith 1908-5-31 1439 San Mateo South San Francisco, San Bruno Mountain, S.E. of cemeteries 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
  SEINET10871208  Lupinus albifrons var. flumineus Charles Piper Smith 1946-3-26 Smith 46115 San Mateo Hwy 5, san francisco co jail road n Comment
  CAS-BOT-BC196432  Lupinus arboreus Charles Piper Smith 1922-4-29 3503 San Mateo Montara Mt., above Lake Pilarcitos Comment
  UC1543208  Lupinus arboreus Donald G. Nelson 1938-7-28 580 San Mateo Moss Beach Comment
  SEINET10488467  Lupinus arboreus Elizabeth M. McClintock; Walter Knight; Irja Knight; Baki Kasapligil, Walter Knight; Irja Knight; Baki Kasapligil 1967-7-18 McClintock s.n. San Mateo San bruno mountain. Colma canyon near old quarry Comment
  SEINET10488471  Lupinus arboreus Marcus E. Jones 1881-6-30 Jones 2322 San Mateo Comment
  SEINET5327651  Lupinus arboreus E. Crawford 1982-9-25 s.n. San Mateo On west side of Highway 1 at intersection with Bonny Doon Road. 12 Comment
  RSA176779  Lupinus arboreus var. arboreus John H. Thomas 1963-5-20 10109 San Mateo Ano Nuevo Island, 1/2 mile off shore and about 20 miles NW of Santa Cruz. Comment
  JROH2114  Lupinus bicolor John H. Thomas 1974-4-4 17076 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5695  Lupinus bicolor John Rawlings 2015-3-31 1415 San Mateo Jasper Ridge Biological Preserve, Stanford University. In old quarry off of Trail 12 77 Comment
  SEINET10484957  Lupinus bicolor var. trifidus David B. Dunn, Howard Brown 1946-5-15 Dunn 2596 San Mateo Collected in meadow land in the bottom of a 50 ft. ravine with a small lake at one end; 1 block N of Sloat Blvd. at Vale Ave. Comment
  SEINET11071791 Image available Lupinus collinus A. A. Heller 1907-4-25 8462 San Mateo San Bruno Hills Comment
  UCSB12360  Lupinus formosus Breedlove, Dennis 1961-6-18 San Mateo 3 miles south of road to Half Moon Bay, on U.S. 5 365 Comment
  RSA0003448  Lupinus lasiotropis Edward L. Greene 470 San Mateo Crystal Springs Lake. Frequent along banks, specially shady places. Comment
  SEINET3131584  Lupinus latifolius L. S. Rose 1939-5-5 39096 San Mateo San Mateo Canyon 46 Comment
  SEINET11071961 Image available Lupinus latifolius A. A. Heller 1907-5-23 San Mateo Back of San Mateo on the Half Moon Bay road Comment
  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
  JROH2126  Lupinus nanus John H. Thomas 1967-4-28 12723 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2129  Lupinus nanus John H. Thomas 1975-4-19 17801 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2138  Lupinus nanus John Hunter Thomas 1983-4-7 21334 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  SBBG66998  Lupinus nanus L. R. Abrams 1914-4-20 5128 San Mateo confluence of Los Troncos and San Francisquito crks Comment
  UC1129643  Lupinus nanus H. S. Yates 1935-5-8 5200 San Mateo 2 mi n Langley Hill; Santa Cruz Quad., n of Langley Hill Comment
  UC138034  Lupinus nanus C. F. Baker 1902-4-12 507 San Mateo San Gregorio Comment
  SJSU10761  Lupinus nanus H. L. Elliot 1958-5-31 129 San Mateo Jasper Ridge 7 mi NW of Stanford Univ Comment
  POM10646  Lupinus nanus subsp. latifolius C. F. Baker 1902-4-12 507 San Mateo San Gregorio Comment
  SEINET10451625  Lupinus nanus subsp. nanus P. Wheeler 1965-5-8 Wheeler UMO 104190 San Mateo Sierra point. Comment
  SEINET10486130  Lupinus polycarpus David B. Dunn, Howard Brown 1946-5-15 Dunn 2591 San Mateo Collected in vacant lots on both sides of sloat blvd. Just west of riverton Drive in san francisco. Comment
  SEINET10486158  Lupinus polycarpus Donald E. Bright 1962-4-16 Bright 223 San Mateo Disturbed roadside, along hwy. 17, 15 Mi ne of santa cruz. 549 Comment
  CDA9351  Lupinus variicolor M. Beyers, S. Serkanic 2013-3-3 1033 San Mateo South of the parking turn-out and east of Highway 1. 101 Comment
  CHSC59538  Lupinus variicolor Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  POM248727  Lupinus variicolor Alice Eastwood, John T. Howell 1938-6-26 6076 San Mateo Kings Mt. Comment
  RSA177074  Lupinus variicolor John H. Thomas 1964-6-19 10432 San Mateo Near Pigeon Pt. Lighthouse. Comment
  RSA21949  Lupinus variicolor Alice Eastwood, John T. Howell 1938-6-26 6076 San Mateo Kings Mt. Comment
  POM190281  Lupinus variicolor D. D. Keck 1932-5-11 1967 San Mateo Two miles north of San Gregorio. 15 Comment
  SEINET10489089  Lupinus variicolor Elizabeth M. McClintock 1963-6-9 McClintock 134 San Mateo San bruno mtn. Exposed slopes below top of mtn. Comment
  SEINET12154794  Lupinus variicolor M. T. Doutt 1931-1 422 San Mateo Skyline Blvd, W of Hillbrae Comment
  JROH4524  Luzula comosa var. comosa John H. Thomas 1967-4-20 12712 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5679  Luzula comosa var. comosa John Rawlings 2015-3-3 1315 San Mateo Jasper Ridge Biological Preserve, Stanford University; small opening off trail 8 in oak woodland. 126 Comment
  CAS-BOT-BC441367  Luzula subsessilis Alice Eastwood 1914-3-12 s.n. San Mateo San Bruno Hills Comment
  CAS-BOT-BC441364  Luzula subsessilis Elizabeth McClintock; Arthur Menzies 1963-2-16 s.n. San Mateo San Bruno Mountain: Upper slopes of mountain, below radio station Comment
  POM186050  Lysichiton americanus A. D. E. Elmer 1903-06 4551 San Mateo Butano Creek Comment
  SJSU15932  Lysimachia minima Toni Corelli, John Rawlings 2016-4-29 1772 San Mateo Cascade Field along Atkinson Bluff Trail, north of Cascade Cr. Trail, in Ano Nuevo State Park 11 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
  UCR248337  Lythrum hyssopifolia Peter Rubtzoff 1987-8-26 9837 San Mateo San Bruno Mountain, 'Saddle' area non north side of Guadalupe Canyon. Parkway west of Radio Road junction; northwestern part of the area along old Guadalupe Road 213 Comment
  CAS-BOT-BC342590  Madia Cherie Wetzel 1969-7-8 926 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  POM177455  Madia elegans subsp. densifolia L. R. Abrams, I. L. Wiggins 1930-11-13 173 -A San Mateo Hillside above Crystal Springs Lake Comment
  CAS-BOT-BC344490  Madia exigua Ned Cahill 1974-4-29 211 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC344497  Madia exigua Eric Walther 1920-5-9 s.n. San Mateo Woodside Comment
  JROH1044  Madia exigua John H. Thomas 1969-5-28 15090 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1063  Madia exigua John Hunter Thomas 1992-5-5 25219 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam and vicinity Comment
  JROH5660  Madia exigua John Rawlings 2014-5-23 1269 San Mateo Jasper Ridge Biological Preserve, Stanford University; up-slope from boat dock (aka Searsville Lab Landing). 104 Comment
  CAS-BOT-BC344486  Madia exigua H. A. Dutton 1900-5-6 s.n. San Mateo Santa Cruz Mountain Peninsula. Woodside Comment
  JROH1076  Madia gracilis John Hunter Thomas 1978-5-12 19204 San Mateo Jasper Ridge Biological Preserve, Stanford University; near dam Comment
  JROH1079  Madia gracilis John Hunter Thomas 1981-5-19 20602 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1092  Madia gracilis John Hunter Thomas 1988-5-12 24455 San Mateo Jasper Ridge Biological Preserve, Stanford University; by old quarry below dam Comment
  JROH1095  Madia gracilis John Hunter Thomas 1992-5-5 25215 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam and vicinity Comment
  UC913110  Madia gracilis David D. Keck 1932-6-1 1788 San Mateo on La Honda road above Woodside; east slope of the Santa Cruz Mts. 305 Comment
  RSA11165  Madia gracilis C. B. Wolf 1927-7-14 595 San Mateo Summit of Kings Mountain road at junction with Skyline Blvd. 610 Comment
  RSA176604  Madia madioides John H. Thomas 1961-6-20 9555 San Mateo Portola State Park, near junction of Peters and Pescadero Creeks 152 Comment
  SEINET8734423 Image available Madia madioides L. S. Rose 1941-1 41287 San Mateo Kings Mountain, 540 Comment
  CAS-BOT-BC345109  Madia sativa Louis F. Pitelka 1974-5-28 s.n. San Mateo Bolsa Point, about 1 mi N of Pigeon Point and about 39 mi S of San Francisco Comment
  RSA176607  Madia sativa John H. Thomas 1961-8-27 9695 San Mateo Colma; open sandy field near intersection of El Camino Real and F Street 46 Comment
  CAS-BOT-BC345123  Madia sativa Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain. Quarry 4 Comment
  CAS-BOT-BC345141  Madia sativa W. R. Dudley 1909-10-4 s.n. San Mateo Santa Cruz Mountain Peninsula. On hills from Ponds to Mussel Rock Comment
  POM49380  Madia sativa L. R. Abrams 1901-9-1 2227 San Mateo Menlo Park Comment
  RSA3925  Maianthemum racemosum subsp. amplexicaule Josephine Randall 1908-3-28 s.n. San Mateo Kings Mt. Comment
  SD39133  Maianthemum racemosum subsp. amplexicaule Marie Cummings 1933-4-11 12 San Mateo Pescadero. Comment
  RSA244377  Maianthemum racemosum subsp. amplexicaule C. W. Tilforth, John Dourley 1973-7-19 932 San Mateo Gazos Creek Road, between Butano and Big Basin State Parks Comment
  CAS-BOT-BC514157  Maianthemum stellatum J. H. Thomas 1949-4-14 272 San Mateo King's Mountain Comment
  CAS-BOT-BC203909  Malacothamnus aboriginum A. A. Heller 1901-7-13 s.n. San Mateo Spring Valley Lake Comment
  SD58248  Malacothamnus arcuatus R. L. Pendleton 1906-6-10 366 San Mateo Mountain View Road, 1.0 mile north of Saratoga. 130 Comment
  UC138326  Malacothamnus davidsonii J. W. Congdon 1897-7-27 San Mateo Belmont Comment
  UC18767  Malacothamnus davidsonii Alice Eastwood 1896-5-1 San Mateo Crystal Springs Comment
  UCR254721  Malus domestica Peter Rubtzoff 1975-10-24 8432 San Mateo San Francisco Bay Region, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains 220 Comment
  SEINET7247927  Malva arborea D. R. Kaplan 1961-1 s.n. San Mateo 100 ft. East of Moss Beach Comment
  CHSC1037  Malva sylvestris L. Lancelot 1930-5-3 San Mateo Moss Beach. Comment
  RSA440955  Marah fabacea Glenn A. Gorelick 1967-4-14 s.n. San Mateo San Bruno Mts. overlooking Daly City near San Francisco. Comment
  SEINET5729437 Image available Marah fabacea R. E. Dengler 1960-1 31 San Mateo Sausal Creek, Wyndham Drive, Portola Valley.; Portola Valley 128 Comment
  UC129177  Marah oregana Miss Harriet A. Walker 1909-5-8 1681 San Mateo Milbrae Comment
  JROH617  Matricaria discoidea John H. Thomas 1971-4-21 15767 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC422673  Meconella californica C. F. Baker 1902-4-6 457 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC422686  Meconella californica H. L. Mason 1928-2-22 4162 San Mateo San Bruno Mountains Comment
  CAS-BOT-BC422683  Meconella californica Miss E. Cannon 1898-3-26 s.n. San Mateo South San Francisco Comment
  JROH2151  Medicago arabica John H. Thomas 1955-5-6 5010 San Mateo Jasper Ridge Biological Preserve, Stanford University 182 Comment
  UCR121590  Medicago lupulina George K. Helmkamp, E. A. Helmkamp 1999-6-28 4976 San Mateo Pescadero Creek Watershed, Pescadero Road just north of Loma Mar 107 Comment
  JROH2158  Medicago lupulina Ann Lambrecht 2005-8-1 18 San Mateo Jasper Ridge Biological Preserve, Stanford University; Road C just south of low-flow crossing, west side of road Comment
  JROH2167  Medicago polymorpha John H. Thomas 1973-4-14 16573 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC271159  Melica John H. Thomas 1965-4-29 10631 B San Mateo San Bruno Mountain in northern part of county. 396 Comment
  POM296543B  Melica imperfecta Lyman Benson 1930-5-12 2126 San Mateo San Mateo County: Lake Searsville. 152 Comment
  CAS-BOT-BC264189  Melica subulata W. R. Dudley 1900-5-19 s.n. San Mateo Summit La Honda Stage road, Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC264241  Melica torreyana Robert Robertson 1954-4-23 97 San Mateo Jaspers Ridge near Searsville Lake 170 Comment
  CAS-BOT-BC264249  Melica torreyana W. R. Dudley 1900-5-19 s.n. San Mateo Above La Honda, Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC264254  Melica torreyana Margaret Barry 1937-7-17 209 San Mateo Coal Mine Ridge Comment
  JROH2181  Melilotus albus John Hunter Thomas 1983-6-29 22695 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC166665  Mentha spicata Peter Rubtzoff 1978-9-16 9268 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  CDA4876  Mercurialis annua G. D. Barbe 1974-6-4 1826 San Mateo Sanchez Adobe County Park and Museum, Mira Mar Boulevard, Linda Mar District. 0 Comment
  UCD148357  Mercurialis annua T. C. Fuller 1960-6-23 4542 San Mateo east fence line, Sanchez Adobe House, south side of Linda Mar Blvd., Pedro Valley. Comment
  JROH3907  Micranthes californica John Hunter Thomas 1981-4-5 20279 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek Comment
  JROH1121  Micropus californicus var. californicus John H. Thomas 1963-5-12 10085 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5619  Micropus californicus var. californicus John Rawlings 2014-5-9 1227 San Mateo Jasper Ridge Biological Preserve, Stanford University; about 20 meters west of Road C and 20 meters south of Trail 18. 127 Comment
  UC88389  Micropus californicus var. subvestitus E. L. Greene 1886-5-9 San Mateo Belmont Comment
  CAS-BOT-BC348720  Microseris bigelovii John H. Thomas 1966-4-30 11591 San Mateo Bluffs at San Gregorio Beach Comment
  CAS-BOT-BC349027  Microseris douglasii subsp. douglasii Ned Cahill 1974-4-19 151 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City 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
  JROH1139  Microseris douglasii subsp. douglasii John H. Thomas 1956-4-7 5615 San Mateo Jasper Ridge Biological Preserve, Stanford University; open serpentine area on top of ridge and adjacent slopes Comment
  JROH1141  Microseris douglasii subsp. douglasii John H. Thomas 1966-4-21 11562 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  SBBG27936  Microseris douglasii subsp. tenella L. S. Rose 1933-4-30 33129 San Mateo Redwood City Comment
  CAS-BOT-BC7487  Microseris leucocarpha Charles Fuller Baker 1902-5-4 808 San Mateo Woodside Comment
  RSA8339  Microseris lindleyi L. S. Rose 1933-4-30 33127 San Mateo Redwood City Comment
  SEINET12269790  Mimulus aurantiacus Unknown 1932-1 9023 San Mateo Jasper Ridge Comment
  JROH4076  Mimulus aurantiacus var. aurantiacus John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSC007764  Mimulus aurantiacus var. aurantiacus Becky Hendricks, Chris Lay 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  JROH4092  Mimulus guttatus John Hunter Thomas 1981-4-23 20472 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA10279  Mimulus guttatus H. A. Barker 1927-5-6 663 San Mateo Summit of Kings Mts. Comment
  RSA60035  Mimulus guttatus G. R. Campbell 1950-6-7 15484 San Mateo 7 miles north of Junction of Hwy 5 and 9; hills west of Palo Alto. 457 Comment
  CAS-BOT-BC388826  Minuartia douglasii A. D. E. Elmer 1903-4-1 5042 San Mateo San Bruno Hills Comment
  POM87730  Minuartia douglasii L. R. Abrams 1901-05 1563 San Mateo Woodside Comment
  SJSU12767  Moehringia macrophylla S. L. Jones 1986-4-6 85 San Mateo saddle betweem San Pedro Mt & Montara Mt, Pacifica 274 Comment
  CAS-BOT-BC214178  Monardella villosa Ned Cahill 1974-4-29 209 San Mateo Near the interesection of Canada and Edgewood Roads about 3 mi westward from Redwood City Comment
  CAS-BOT-BC214078  Monardella villosa Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo Quarry 4, San Bruno Mountain Comment
  JEPS62416  Monardella villosa subsp. franciscana Dr. L. M. Newlon 1921-1 253 San Mateo Between Salada and Mussel Rock Comment
  SEINET10582380  Monardella villosa subsp. franciscana A. Graff 1993-7-13 Graff 187 San Mateo Devil's Slide, in arroyos on inland side of Hwy. 1. Mostly past bloom. Coastal scrub. Comment
  SEINET10582381  Monardella villosa subsp. franciscana A. Graff 1993-7-13 Graff 188 San Mateo Devil's Slide, in arroyos on inland side of Hwy. 1. Mostly past bloom. Coastal scrub. Comment
  SEINET10582383  Monardella villosa subsp. franciscana A. Graff 1993-6-14 Graff 4 San Mateo 0.4 miles down Bean Hollow Road from its intersection with Pescadero Road, along right road cut. Windy, exposed, dry, steep, rocky cuts. Locally infrequent, with Artemisia californica, Baccharis pilularis, Mimulus aurantiacus, Eriophyllum stachaedifolium, Anaphalis margaritacea, Dudleya sp., Scrophularia californica, Eriogonum sp., grasses. Comment
  UC25530  Monardella villosa subsp. villosa J. Burtt Davy 1893-6-17 770 San Mateo Belmont South Coast Ranges Comment
  JROH2832  Monardella villosa subsp. villosa L. R. Abrams 1914-6-2 5112 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville ridge Comment
  JROH2835  Monardella villosa subsp. villosa John H. Thomas 1963-6-23 10166 San Mateo Jasper Ridge Biological Preserve, Stanford University; near exclosure on northern slope of ridge Comment
  JROH1156  Monolopia gracilens Herb Dengler 1963-5-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3355  Montia fontana Toni Corelli 2004-4-14 269 San Mateo Jasper Ridge Biological Preserve, Stanford University; wet area adjacent to trail 10 181 Comment
  CAS-BOT-BC444950  Montia fontana John H. Thomas 1973-4-25 16688 San Mateo Stanford University Lands along Sand Hill Road near Whiskey Hill Road. Comment
  POM164023  Montia parvifolia A. D. E. Elmer 1903-05 4577 San Mateo Iversons Place Comment
  PGM4947  Myosotis discolor Vern Yadon 2002-5-2 San Mateo Swanton near San Mateo Co, Inland from 1st ridge Comment
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Sep 15 2021
  CDA34567  Myosotis latifolia M. Beyers, Z. Bakman, L. Feely, & D. Sozanni 2011-4-4 876 San Mateo Pacifica: San Pedro Valley County Park, along Brooks Creek Trail. 148 Comment
  JROH1397  Myosotis latifolia John H. Thomas 1961-5-5 9207 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below Searsville Dam 76 Comment
  HSC23339  Myosotis sylvatica L. A. Wright Jr. 1971-4-4 25 San Mateo 0.5 mi. E on Gazos Creek Rd. from junction with Cloverdale Rd., 6.5 mi. S off of Pescadero Rd., about 3 mi. E off of Hwy. 1. On N side of Gazos Creek, about 25 ft. from the creek and about 100 ft. from the road 91 Comment
  JEPS85566  Myrica californica Craig Dremann 1986-8-30 327 San Mateo near Pescadero (Bear Hollow Rd., 1/4 mi. n. of Hwy. 1 intersection) Comment
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Sep 4 2011
  RSA15200  Myrica californica Carl B. Wolf 1926-10-19 77 San Mateo West of summit of La Honda Grade, Santa Cruz Mountains. 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
  CAS-BOT-BC260025  Nassella lepida M. E. Lang May, [1913 or 1923] s.n. San Mateo Mud Lakes Comment
  CAS-BOT-BC260241  Nassella pulchra Javier Penalosa 1963-3-9 2670 San Mateo San Bruno Mountain. SE of 1314 ft. summit 381 Comment
  RSA106988  Nassella pulchra L. S. Rose 1956-5-7 56071 San Mateo Skyline Blvd west of San Mateo. 183 Comment
  UCD37956  Nassella pulchra Beecher Crampton 1962-6-11 6486 San Mateo San Mateo County, 5 miles west of Belmont, at junction of Ralston Avenue and and Skyline Boulevard, at foot of western slope of Pulgas Ridge, along eastern side of lower Crystal Springs Reservoir. Comment
  UCD87671  Nassella pulchra Lewis S. Rose 1963-4-27 63000 San Mateo Skyline Blvd. West of San Mateo. 91 Comment
  JEPS82912  Navarretia heterodoxa Roy E. Buck and Randall A. Morgan 1983-6-7 336 San Mateo in triangle of Edgewood and Canada Rds and Hwy. I-280 (s of small watercourse); San Francisco Watershed Reserve 137 Comment
  LA206599  Navarretia heterodoxa Lewis S. Rose; 1941-6-12 41269 San Mateo W of Redwood City, Emerald Lake 120.0 Comment
  SEINET191641 Image available Navarretia heterodoxa L. S. Rose 1941-6-12 41269 San Mateo West of Redwood City, Emerald Lake 120 Comment
  SEINET3479173  Navarretia heterodoxa L. S. Rose 1941-6-12 41269 San Mateo West of Redwood City, West of Redwood City, Emerald Lake 120 Comment
  SEINET3696485 Image available Navarretia heterodoxa Lewis S. Rose 1934-5-27 34280 San Mateo Emerald Lake. Comment
  UC662623  Navarretia heterodoxa L. S. Rose 1941-6-12 41269 San Mateo hills w Redwood City; Emerald Lake 120 Comment
  RSA95822  Navarretia heterodoxa L. S. Rose 1953-6-29 53044 San Mateo Emerald Lake, hills w. of Redwood City 91 Comment
  JROH3209  Navarretia squarrosa John H. Thomas 1973-6-10 16815 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3215  Navarretia squarrosa John Hunter Thomas 1982-7-3 21063 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM65137  Navarretia squarrosa Stewart H. Burnham 1894-9-13 7228 San Mateo Outer Coast Range near La Honda Comment
  RSA17967  Navarretia viscidula C. B. Wolf 1927-8-13 712 San Mateo Summit La Honda Grade, Santa Cruz Mountains Comment
  RSA101011  Nemophila menziesii var. atomaria G. Oberlander 1950-4-2 569 San Mateo Near San Andreas Lake, San Francisco Watershed Reserve Comment
  CAS-BOT-BC219482  Nemophila parviflora J. H. Thomas 1954-4-15 3906 San Mateo About 1 1/2 mile SW of Searsville Lake 228 Comment
  RSA152238  Nemophila parviflora var. parviflora I. L. Wiggins 1925-04 1670 San Mateo First bridge across small creek on Kings Mountain Road above Woodside Comment
  UCSB1036  Notholithocarpus densiflorus Muller, Cornelius 1951-1-28 San Mateo South of Pescadero Comment
  CAS-BOT-BC140425  Oemleria cerasiformis A. D. E. Elmer 1903-3-1 4579 San Mateo Woodside Comment
  CAS-BOT-BC140443  Oemleria cerasiformis Eric Walther 1919-6-9 s.n. San Mateo Woodside Comment
  CAS-BOT-BC140446  Oemleria cerasiformis Elizabeth McClintock 1967-6-24 s.n. San Mateo Lower Colma Canyon Comment
  CAS-BOT-BC389684  Oemleria cerasiformis Jeanie Nieri 1953-1-31 s.n. San Mateo Huddart Park Comment
  SD27759  Oemleria cerasiformis Carl B. Wolf 1927-2-26 222 San Mateo La Honda Grade 305 Comment
  SEINET5563016  Oemleria cerasiformis H. S. Gentry 1931-1 17 San Mateo 1.5 mile W of San Mateo, Half-Moon Bay road. Comment
  UC860384  Oemleria cerasiformis S. B. Show 1907-2-18 8 San Mateo San Francisquito Creek 213 Comment
  RSA648323  Oenothera ovata J. Doty 1969-3-27 606 San Mateo San Gregorio State Beach Park. 15 Comment
  JROH2994  Olea europaea John Hunter Thomas 1983-4-28 21778 San Mateo Jasper Ridge Biological Preserve, Stanford University; near green shack Comment
  JROH3087  Orobanche John Hunter Thomas 1991-12-28 25118 San Mateo Jasper Ridge Biological Preserve, Stanford University; Rattlesnake Rocks along path to redwoods Comment
  UC217609  Orobanche californica subsp. californica Katharine Brandegee San Mateo San Pedro. Comment
  RSA0066487  Orobanche californica subsp. californica E. B. Copeland 1903-6-5 3330 San Mateo Montara Point. Comment
  JROH5801  Orobanche fasciculata John Rawlings 2017-6-12 2102 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 12 on bank just west of first footbridge. 108 Comment
  RSA401985B  Orthocarpus densiflorus Francis W. Pennell, D. D. Keck 1940-5-15 25425 San Mateo Route 101, 4 miles west of Burlingame. 152 Comment
  RSA92815  Orthocarpus densiflorus Peter H. Raven 1950-4-16 1776 San Mateo Colma Canyon, San Bruno Mountains. 183 Comment
  POM286544  Orthocarpus faucibarbatus Lyman D. Benson 1930-5-1 2066 San Mateo Stanford University, San Lorenzo mtn range. 122 Comment
  RSA184977  Orthocarpus lithospermoides L. S. Rose 1966-5-2 66034 San Mateo Emerald Lake, west of Redwood City. 91 Comment
  POM15295  Orthocarpus lithospermoides Stewart H. Burnham 1890-5-11 s.n. San Mateo Near Searsville. Comment
  POM287588  Osmorhiza berteroi Lyman Benson 1930-5-3 2115 San Mateo Woods, above Woodside, Santa Cruz Mtns. 366 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
  SEINET12182802  Oxalis oregana Unknown 1933-1 10394 San Mateo White House Creek Comment
  JEPS121492  Oxalis pes-caprae Adam C. Schneider with C. Matt Guilliams 2013-3-9 41 San Mateo Crystal Springs Reservoir, Northern part of western margin of San Francisco Public Utilities Commission land. Comment
  CAS-BOT-BC318248  Packera breweri Amos Arthur Heller 1907-5-23 8565 San Mateo Back of San Mateo on the Half Moon Bay road. Comment
  CAS-BOT-BC422866  Papaver somniferum Walter Knight; Irja Knight 1965-5-15 s.n. San Mateo San Bruno Mountain. Pig Ranch Ravine Comment
  RSA176768  Parapholis incurva John H. Thomas 1963-5-20 10138 San Mateo Ano Nuevo Island, 1/2 mile off shore and about 20 miles NW of Santa Cruz. Comment
  UCD88650  Parapholis incurva August L. Hormay 1932-5-29 s.n. San Mateo San Bruno. Comment
  JROH5870  Parthenocissus quinquefolia Ann Lambrecht 2011-7-5 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; at Bear Creek crossing near Preserve boundary fence Comment
  CAS-BOT-BC265664  Paspalum distichum C. F. Baker 1902-10-20 1836 San Mateo Searsville Comment
  JROH5344  Paspalum distichum L. R. Abrams 1914-7-1 5117 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake. Comment
  POM207798  Paspalum distichum C. F. Baker 1902-10-20 1836 San Mateo Searsville Comment
  POM63452  Pectocarya pusilla A. D. E. Elmer 1903-04 4676 San Mateo Portola. Comment
  RSA130342  Pedicularis densiflora E. W. Rust 1907-4-27 135 San Mateo King's Mountain. Comment
  UCR131712  Pedicularis densiflora C. B. Wolf 1927-2-26 00221 San Mateo La Honda Grade 305 Comment
  JROH4095  Pedicularis densiflora D. D. Davis 1903-2-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Ridge Comment
  JROH4107  Pedicularis densiflora Duncan M. Porter 1961-1-18 736 San Mateo Jasper Ridge Biological Preserve, Stanford University; Westridge end of Jasper Ridge Comment
  OBI78368  Pedicularis densiflora Lewis S. Rose 1961-2-23 61013 San Mateo Hills W of Belmont 122 Comment
  POM226859  Pedicularis densiflora L. R. Abrams 1914-3-1 5058 San Mateo Kings Mountain Road, Santa Cruz Mtns. 152 Comment
  JEPS26849 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
  RSA125134  Pedicularis dudleyi E. F. Sprague 1956-5-28 1701 San Mateo Portola State Park, about campground headquarters 305 Comment
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Mar 2 2010
  UCSC006899  Pedicularis dudleyi Randall Morgan 1988-6-5 1236 San Mateo Upper Escape Rd, Portola S.P. Comment
  UCSC003377  Pelargonium grossularioides Randall Morgan 2001-5-5 3725 San Mateo south of Franklin Point, San Mateo County Comment
  CAS-BOT-BC207030  Pelargonium vitifolium J. H. Thomas 1959-8-16 8066 San Mateo About 2 miles north of Pigeon Point, along the coast 15 Comment
  JROH103  Pellaea andromedifolia John Hunter Thomas 1982-11-8 21257 B San Mateo Jasper Ridge Biological Preserve, Stanford University. Path below dam Comment
  RSA686791  Pellaea andromedifolia Paul C. Silva 1948-1-31 2622 San Mateo Old La Honda Grade, 1 mile south of Skyline Blvd. 457 Comment
  JROH1159  Pentachaeta alsinoides John H. Thomas 1958-5-10 7155 San Mateo Jasper Ridge Biological Preserve, Stanford University; to the north of the top of the ridge Comment
  UC197089  Pentachaeta alsinoides E. L. Greene 1886-5-9 San Mateo Belmont Comment
  CAS-BOT-BC330478  Pentachaeta alsinoides Elizabeth McClintock; Phillip Wheeler 1967-5-14 s.n. San Mateo San Bruno Mountain. Wheeler's 3-aces, above Harold Road, Brisbane Comment
  JEPS89368  Pentachaeta bellidiflora Dean W. Taylor 1994-5-10 14262 San Mateo ca. 300 meters s.e. of junction of Edgewood Rd. & Canada Rd. Edgewood Park (ca. 200 meters w. of trail parallel to & on w. side of Hwy. 280); Santa Cruz Mts., Woodside 7 1/2 Quad. 1973 ed., Edgewood Par 137 Comment
  POM88667  Pentachaeta exilis L. R. Abrams 1901-4-20 1533 San Mateo Mint [difficult to read] Bells Road. Comment
  CAS-BOT-BC384617  Pentagramma triangularis J. Lovelle 1973-8-5 36 San Mateo Mt. Ellen Trail Comment
  CAS-BOT-BC77005  Pentagramma triangularis subsp. triangularis Elizabeth McClintock 1967-4-16 s.n. San Mateo San Bruno Mountains - Buckeye Canyon Comment
  CAS-BOT-BC77009  Pentagramma triangularis subsp. triangularis Ira L. Wiggins 1928-4-14 2918 San Mateo Alpine Creek Road Comment
  UCSB25635  Pentagramma triangularis subsp. triangularis Masero, Ann 1967-3-21 San Mateo Butano Creek, 3.3 miles east of junction of Cloverdale Road and Canyon Road 106 Comment
  UC2044059  Perideridia gairdneri subsp. gairdneri Neal Kramer 2002-8-3 CR 235 San Mateo POST Cloverdale Ranch. North end of the Mesa approx. 0.4 mi east of Lake Lucerne. Comment
  CAS-BOT-BC413608  Persicaria amphibia A. D. E. Elmer 1903-7-1 4650 San Mateo San Pedro Comment
  CAS-BOT-BC413610  Persicaria amphibia W. R. Dudley 1909-10-31 s.n. San Mateo Santa Cruz Mountain Peninsula. Hooper's Pond, Woodside Comment
  JROH3257  Persicaria amphibia John Hunter Thomas 1992-7-24 25386 San Mateo Jasper Ridge Biological Preserve, Stanford University. Boat ramp. Comment
  CAS-BOT-BC418847  Persicaria hydropiperoides Ira L. Wiggins 1985-9-28 22299 San Mateo Bed of San Francisquito Creek, N side of creek bed, just above Pop [Pope] Street bridge, Menlo Park Comment
  JROH3268  Persicaria lapathifolia W. R. Dudley 1909-10-31 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake. Comment
  CAS-BOT-BC419386  Persicaria punctata Roxana S. Ferris 1945-9-25 11107 San Mateo At Pedro Point, State Highway #1 Comment
  CAS-BOT-BC419390  Persicaria punctata Ira L. Wiggins 1974-10-27 22132 San Mateo Bed of San Francisquito Creek, along line between Palo Alto and Mrnlo [Menlo] Park and between San Mateo and Santa Clara Counties, near Pope Street bridge Comment
  UC1301047  Petasites frigidus var. palmatus Helen K. Sharsmith 1963-3-23 5249 San Mateo Alpine Creek Canyon San Francisco Bay Region, Santa Cruz Mountains 243 Comment
  RSA152207  Phacelia californica John H. Thomas 1961-5-7 9313 San Mateo San Bruno Mountain, in northern part of county. 305 Comment
  RSA342247  Phacelia californica Robert F. Thorne, P. C. Everett 1963-6-9 32213 San Mateo On top of San Bruno Mountain, near TV tower. 335 Comment
  UCD120300  Phacelia californica J. Doty 1969-3-26 596 San Mateo 100 yards east of the junction of State Highways 35 and 92, near summit of Coast Range. Comment
  UC881073  Phacelia distans Lewis S. Rose 1939-4-13 39065 San Mateo near Crystal Springs Lake; San Mateo Canyon 60 Comment
  UCSC008146  Phacelia distans Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  JEPS2344  Phacelia divaricata W. L. Jepson 1914-3-22 5733 San Mateo Redwood City Comment
  UC202785  Phacelia malvifolia A. D. E. Elmer May 1903 4784 San Mateo San Bruno Hills Comment
  POM87704  Phacelia nemoralis subsp. nemoralis L. R. Abrams 1901-5-5 1575 San Mateo Bear Gulch, Santa Cruz Mountains. Comment
  SJSU15764  Phacelia ramosissima Toni Corelli 2010-5-17 630 San Mateo Pescadero State Beach and Marsh Natural Preserve, west side of Hwy. 1, along trail in dunes south of north parking lot 10 Comment
  JROH2765  Phacelia rattanii D. E. Breedlove 1971-5-11 19332 San Mateo Jasper Ridge Biological Preserve, Stanford University; at Pinon Road along fence Comment
  JROH5360  Phalaris aquatica John Hunter Thomas 1981-9-24 20745 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5363  Phalaris aquatica John Hunter Thomas 1982-7-2 21058 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low-flow crossing. Comment
  CAS-BOT-BC259002  Phalaris californica Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain. Base of Quarry #2 Comment
  UCD88566  Phalaris californica P. B. Kennedy 1916-5-1 s.n. San Mateo Crocker Estate, Burlingame. Comment
  CAS-BOT-BC250643  Phalaris minor A. D. E. Elmer 1903-6-1 4427 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC250646  Phalaris minor John Thomas Howell 1937-7-5 13099 San Mateo Redwood City along Bayshore Highway Comment
  UCR123138  Phalaris minor George K. Helmkamp, E. A. Helmkamp 2001-6-2 6773 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
  UCD138379  Phyllospadix scouleri A. Frederick 1924-10-26 s.n. San Mateo Moss Beach. Comment
  CAS-BOT-BC142182  Physocarpus capitatus W. R. Dudley 1894-5-20 s.n. San Mateo Near Redwood [City] - Santa Cruz Mountain Peninsula Comment
  RSA176725  Physocarpus capitatus John H. Thomas 1962-7-15 9915 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  UC69382  Physocarpus capitatus J. Burtt Davy 1893-6-17 799 San Mateo Belmont Comment
  UC860427  Physocarpus capitatus Lewis S. Rose 1939-5-5 39093 San Mateo San Mateo Canyon 45 Comment
  CDA34334  Pickeringia montana Anonymous 1973-5-8 San Mateo Hwy 84, three miles W of Woodside. 0 Comment
  RSA18288  Pickeringia montana var. montana Carl B. Wolf 429 San Mateo East slope of Kings Mt. Comment
  CAS-BOT-BC135929  Pittosporum tenuifolium Elizabeth McClintock; Paul Reeberg 1989-8-31 s.n. San Mateo Willow Pond - San Bruno Mountains Comment
  CAS-BOT-BC228027  Plagiobothrys Mary Nimitz 1952-5-10 77 San Mateo Top of Jasper Ridge above Searsville Lake Comment
  CAS-BOT-BC228127  Plagiobothrys chorisianus Walter & Irja Knight 1965-4-24 s.n. San Mateo San Bruno Mountain. Point San Bruno Comment
  RSA22135  Plagiobothrys chorisianus Alice Eastwood, Howell 1938-6-26 s.n. San Mateo Pigeon Point. Comment
  UC200768  Plagiobothrys chorisianus C. F. Baker 1902-3-30 429 San Mateo Crystal Springs Lake Comment
  UC573060  Plagiobothrys chorisianus H. L. Mason 1927-4-23 3692 San Mateo between Pescadero Creek and La Honda Comment
  UC586830  Plagiobothrys chorisianus David Keck 1938-5-30 4728 San Mateo Pescadero Comment
  CAS-BOT-BC228124  Plagiobothrys chorisianus Roxana S. Ferris 1921-4-7 2136 San Mateo San Bruno Mountain 30 Comment
  CAS-BOT-BC228174  Plagiobothrys chorisianus var. hickmanii W. R. Dudley 1900-3-16 s.n. San Mateo The Santa Cruz Mountain Peninsula. Along road between King's [Kings] Mountain and Half Moon Bay Comment
  SDSU5437  Plagiobothrys chorisianus var. hickmanii D. F. Howe 1967-4-13 4342 San Mateo Pebble Beach. Comment
  JROH1423  Plagiobothrys nothofulvus John H. Thomas 1968-4-19 14291 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1435  Plagiobothrys tenellus P. R. Hickborn 1920-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA6602  Plantago coronopus D. G. Kelch 2002-5-13 s.n. San Mateo Highway 92 at Quarry gate. Comment
  JEPS22018  Plantago elongata G. Thomas Robbins with S. Galen Smith 1958-6-9 3861 San Mateo about 0.5 mi s Pescadero Point (around the edges of the parking area at Pebble Beach); Pebble Beach Comment
  JROH3117  Plantago erecta John Hunter Thomas 1981-4-23 20483 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3120  Plantago erecta John Hunter Thomas 1982-4-28 20871 A 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
  JROH5869  Plantago erecta Ann Lambrecht 2012-3-10 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; open serpentine-influenced grassland on ridge top SE of blue oak woodland. Sector 23 D3 105 Comment
  RSA191937  Plantago erecta Robert F. Thorne, Percy C. Everett 1963-6-9 32220 San Mateo On Kamchatka Point near TV tower on San Bruno Mountain. 335 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
  CDA34447  Plantago lanceolata M. Beyers, Z. Bakman, L. Feely, & D. Sozanni 2011-4-4 869 San Mateo Pacifica: San Pedro Valley County Park, along Brooks Creek Trail. 148 Comment
  RSA18371  Plantago maritima Carl B. Wolf 1927-6-29 537 San Mateo Along coast south of Pebble Beach near Pescadero. Comment
  UC931954  Plantago maritima var. californica Verne Grant and Alva Grant 1946-6-23 7696 San Mateo s of Daly City; San Francisco Peninsula Comment
  JEPS24268  Plantago subnuda J. H. Thomas 1959-7-8 8016 San Mateo Pescadero Beach Comment
  JEPS6470  Plantago subnuda Rimo Bacigalupi with J. R. Sweeney 1954-8-3 4736 San Mateo along upper slopes of the Edgeman road 121 Comment
  CAS-BOT-BC92010  Platystemon californicus W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Peninsula. Ravine north of Seal Cove. Comment
  CAS-BOT-BC92022  Platystemon californicus David D. Keck 1932-5-6 1473 San Mateo Burlingame. North city limits. Comment
  SD1839  Platystemon californicus U. S. Grant 1925-6-5 San Mateo Burlingame Comment
  RSA445724  Platystemon californicus var. californicus L. S. Rose 1937-4-24 37230 San Mateo Emerald Lake, west of Redwood City 107 Comment
  JROH4244  Plectritis congesta subsp. brachystemon John Hunter Thomas 1979-5-10 19546 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH6205  Plectritis congesta subsp. brachystemon John Rawlings 2014-4-30 1222 San Mateo Jasper Ridge Biological Preserve, Stanford University; between south base of utility pole mound and San Francisquito Creek riparian corridor. 89 Comment
  CAS-BOT-BC27137  Plectritis congesta subsp. nitida Amos Arthur Heller 1907-5-28 8578 San Mateo Above Crystal Springs on the Half Moon Bay road Comment
  CAS-BOT-BC260964  Pleuropogon californicus var. californicus A. D. E. Elmer 1903-6-1 4848 San Mateo Milbrae Comment
  POM198992  Pleuropogon californicus var. californicus A. D. E. Elmer 1903-06 4848 San Mateo Millbrae 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
  UCD90352  Poa annua W. R. Dudley 1894-5-1 s.n. San Mateo Crystal Springs. Comment
  CAS-BOT-BC254542  Poa douglasii J. H. Thomas 1965-5-1 10637 San Mateo At Pescadero Beach Comment
  CAS-BOT-BC255844  Poa kelloggii Roxana S. Ferris 1920-4-26 1963 San Mateo Near mouth of canyon of Pescadero Creek, Santa Cruz Mountain Peninsula 243 Comment
  CAS-BOT-BC247424  Poa pratensis W. R. Dudley 1899-5-14 s.n. San Mateo Santa Cruz Mountain Peninsula. Top of hill at Sneath's Ranch, near Millbrae Comment
  RSA135725  Poa secunda W. R. Dudley 1900-3-18 s.n. San Mateo San Andreas Lake Comment
  RSA135779  Poa secunda W. R. Dudley 1896-4-4 s.n. San Mateo Santa Cruz Mountain Peninsula; Near Summit Springs, Kings Mt. Comment
  JROH5676  Poa secunda subsp. secunda John Rawlings 2015-3-15 1459 San Mateo Jasper Ridge Biological Preserve, Stanford University; east serpentine near Escobar Gate. 160 Comment
  SJSU15794  Poa unilateralis subsp. unilateralis Toni Corelli 2010-7-8 643 San Mateo Bean Hollow State Beach along Arroyo de los Frijoles Trail 10 Comment
  SJSU15813  Poa unilateralis subsp. unilateralis John Rawlings, Toni Corelli 2016-5-13 1895 San Mateo Bean Hollow State Beach south bluff above beach 11 Comment
  POM65523  Polemonium carneum A. D. E. Elmer 1903-07 4771 San Mateo Pilarcitos Stone Dam. Comment
  UCD23456  Polycarpon tetraphyllum E. A. Parzail 1949-8-1 s.n. San Mateo 1144 Cortez Avenue, Burlingame. Comment
  POM204332  Polygala californica I. L. Wiggins 1929-7-4 3781 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  CAS-BOT-BC413945  Polygonum aviculare subsp. aviculare E. M. Zeile 1921-7-31 s.n. San Mateo Salada Comment
  JEPS81639  Polygonum aviculare subsp. aviculare J. C. Hickman 1981-7-21 1005 San Mateo Ano Nuevo Reserve; se edge Comment
  POM192783  Polygonum lapathifolium W. R. Dudley 1909-10-31 s.n. San Mateo Searsville Lake. The Santa Cruz Mtn Peninsula. Comment
  RSA18362  Polygonum paronychia Carl B. Wolf 1929-5-25 3726 San Mateo Pebble Beach, S of Pescadero Comment
  RSA3888  Polygonum paronychia I. L. Wiggins 1929-7-4 3795 San Mateo Pescadero Beach Comment
  RSA485490  Polypodium californicum Lyman Benson 1929-3-5 977 San Mateo King s Mountain Comment
  CAS-BOT-BC72110  Polypodium scouleri George Oberlander 1949-7-24 305 San Mateo Cypress Cayhill Range Comment
  UC42915  Polypodium scouleri J. Burtt Davy 1893-6-22 San Mateo top of Pilarcitos Comment
  CAS-BOT-BC233154  Polypogon interruptus W. R. Dudley 1896-4-4 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Summit Spring, Kings Mountain Comment
  CAS-BOT-BC233157  Polypogon interruptus A. D. E. Elmer 1903-7-1 4694 San Mateo Pilarcitos Stone Dam Comment
  JROH5437  Polypogon interruptus John Rawlings 2011-10-7 1087 San Mateo Jasper Ridge Biological Preserve, Stanford University. San Francisquito Creek bed downstream from the bridge across Road C. 85 Comment
  POM199082  Polypogon interruptus A. D. E. Elmer 1903-07 4694 San Mateo Pilarcitos Stone Dam. Comment
  CAS-BOT-BC233150  Polypogon interruptus L. R. Abrams 1927-7-15 12190 San Mateo Skyline Blvd back of South San Francisco Comment
  CAS-BOT-BC237355  Polypogon monspeliensis S. D. Halsey 1908-11-7 s.n. San Mateo Salt marsh near Cooleys Landing Comment
  CAS-BOT-BC237359  Polypogon monspeliensis Walter & Irja Knight 1965-4-24 s.n. San Mateo San Bruno Mountains. Point San Bruno Comment
  CAS-BOT-BC6608  Polystichum dudleyi W. R. Dudley 1903-5-2 s.n. San Mateo Near bridge, Peter's Creek, Santa Cruz Mts. Comment
  CHSC39836  Polystichum munitum Maxey-Jones 1928-4-21 San Mateo La Honda Redwoods. Comment
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Jul 7 2010
  CAS-BOT-BC76644  Polystichum munitum Peter Rubtzoff 1987-11-27 9889 San Mateo San Bruno Mountains - saddle area on north side of Guadelupe Canyon Parkway west of Radio Road junction, Comment
  RSA0016813  Polystichum munitum B. J. Hoshizaki 1991-10-4 91 -4 [A] San Mateo Along road between Yerba Buena Nursery and Langly Hill Quarry. Woodside Ranch, 19500 Skyline Blvd., Redwood City. Comment
  RSA693315  Polystichum munitum C. B. Wolf 1928-3-14 1538 San Mateo La Honda grade in the Santa Cruz Mountains 152 Comment
  RSA785881  Polystichum munitum Peter Rubtzoff 1976-10-5 8905 San Mateo eSaddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, upper part of East Fork Colma Creek Canyon. 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
  CAS-BOT-BC257679  Potamogeton illinoensis Peter Rubtzoff 1965-10-19 5664 San Mateo Pilarcitos Lake. Comment
  CAS-BOT-BC453733  Potamogeton illinoensis W. Bryan Duncan 1924-7-1 s.n. San Mateo Felt Lake near Stanford University Comment
  CAS-BOT-BC453736  Potamogeton illinoensis Charles W. O'Brien 1964-8-31 s.n. San Mateo Lake Pilarcitos Comment
  UC652561  Potamogeton pectinatus Ira L. Wiggins and Roxana S. Ferris 1939-8-2 9293 San Mateo Ano Nuevo Point Comment
  CAS-BOT-BC454000  Potamogeton pectinatus Malcom A. Nobs; S. Galen Smith 1949-8-25 1552 San Mateo At Sharp Park Comment
  UC1618019  Potentilla anserina Donald G. Nelson 1939-6-14 617 San Mateo 3 mi s of San Francisco County line (Skyline Boulevard, due e of Mussel Rock on the coast); Skyline Boulevard Comment
  CAS-BOT-BC141929  Potentilla anserina subsp. pacifica Elizabeth McClintock; Carlyn Halde; Walter Knight 1963-6-23 s.n. San Mateo Lower part of Colma Canyon - San Bruno Mountains Comment
  CAS-BOT-BC141938  Potentilla anserina subsp. pacifica Adele Lewis Grant 1917-5-6 941 San Mateo Pebble Beach at Pescadero Comment
  CAS-BOT-BC516348  Prosartes hookeri J. H. Thomas 1949-4-14 269 San Mateo Kings Mountain Comment
  CAS-BOT-BC516360  Prosartes hookeri W. R. Bentley 1957-5-11 83 San Mateo La Honda Road, 1/2 mile east of La Honda 152 Comment
  SEINET12054259  Prosartes hookeri Cummings, McCallum, G. A. 1933-1 s.n. San Mateo along Stevens Creek Comment
  CAS-BOT-BC517390  Prosartes smithii W. R. Dudley 1905-6-18 s.n. San Mateo Santa Cruz Mountain Peninsula, Butano, Deer Park Comment
  CAS-BOT-BC517394  Prosartes smithii W. R. Dudley 1904-3-1 s.n. San Mateo Goat Ranch, summit of Santa Cruz Mountains near old La Honda Road crossing Comment
  CAS-BOT-BC517397  Prosartes smithii H. L. Mason 1917-4-1 s.n. San Mateo Kings Mountain Comment
  POM63307  Prunella vulgaris var. lanceolata A. D. E. Elmer 1903-06 4206 San Mateo Crystal Springs Lake. Comment
  RSA101018  Prunella vulgaris var. lanceolata G. Oberlander 1941-7-30 331 San Mateo Cahill Ridge, San Francisco Watershed Reserve Comment
  CAS-BOT-BC158171  Prunus emarginata Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo San Bruno Mountain. Bitter-cherry [Bitter Cherry] Ridge Comment
  CAS-BOT-BC154498  Prunus ilicifolia George Oberlander 1949-8-20 388 San Mateo Sweeney Ridge Comment
  CAS-BOT-BC154653  Prunus subcordata A. D. E. Elmer 1903-4-1 4533 San Mateo Portola Comment
  CAS-BOT-BC154656  Prunus subcordata Le Roy Abrams 1901-3-1 1168 San Mateo Portola, Los Trancos Creek Comment
  CAS-BOT-BC156358  Prunus virginiana var. demissa J. I. McMurphy 1906-4-28 16 San Mateo [Corte de] Corte Madera Creek, Santa Cruz Mts. Comment
  CAS-BOT-BC156361  Prunus virginiana var. demissa George Oberlander 1949-6-25 245 San Mateo Pilarcitos Canyon Comment
  CAS-BOT-BC356470  Pseudognaphalium beneolens Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountain. Brisbane Ravine Comment
  CAS-BOT-BC356474  Pseudognaphalium beneolens Helen D. Geis 1901-9-26 s.n. San Mateo Roadside to Spanishtown [Spanish Town] Comment
  CAS-BOT-BC356871  Pseudognaphalium californicum D. E. Breedlove 1974-5-13 36234 San Mateo Slopes San Pedro Valley Park, Pacifica 152 Comment
  JROH759  Pseudognaphalium californicum John H. Thomas 1971-5-30 15971 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC306671  Pseudognaphalium californicum A. D. E. Elmer 1903-6-1 4291 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC356862  Pseudognaphalium californicum Barrett Anderson; Peter Rubtzoff 1988-4-22 3658 San Mateo San Bruno Mountain. Saddle area north of Guadalupe Canyon Parkway 275 Comment
  CAS-BOT-BC357124  Pseudognaphalium luteoalbum Fred Hemphill 1973-4-22 841 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC357127  Pseudognaphalium luteoalbum Philip Wheeler 1965-6-13 s.n. San Mateo San Bruno Mountain. Colma Canyon Comment
  HSC5701  Pseudognaphalium luteoalbum R. E. Jones 1966-4-4 37 San Mateo Ano Nuevo Beach Comment
  JROH782  Pseudognaphalium luteoalbum John Hunter Thomas 1980-11-27 20184 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH784  Pseudognaphalium luteoalbum John Hunter Thomas 1986-5-6 24001 San Mateo Jasper Ridge Biological Preserve, Stanford University; near bath house Comment
  SDSU3737  Pseudognaphalium microcephalum D. F. Howe 1964-8-13 3958 San Mateo Near ocean on #1; near San Francisco Co. line. Comment
  CAS-BOT-BC357510  Pseudognaphalium ramosissimum George Oberlander 1950-7-15 1082 San Mateo San Francisco Watershed Reserve. Cahill Ridge Comment
  CAS-BOT-BC361567  Pseudognaphalium stramineum Phillip C. Wheeler 1965-6-19 s.n. San Mateo San Bruno Mountain. Brisbane Lagoon Comment
  JROH808  Pseudognaphalium stramineum John Hunter Thomas 1977-6-16 18780 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC361564  Pseudognaphalium stramineum W. R. Dudley 1895-2-9 s.n. San Mateo Santa Cruz Mountain Peninsula. Arroyo de los Frijoles Comment
  CAS-BOT-BC85908  Pseudotsuga menziesii W. R. Dudley 1893-12-3 s.n. San Mateo Santa Cruz Mountain Peninsula, Bear Gulch Comment
  RSA384644  Pseudotsuga menziesii L. H. Jones 1909-3-13 s.n. San Mateo King s Mountain Road, Stanford University. 610 Comment
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Sep 22 2011
  JROH125  Pseudotsuga menziesii var. menziesii John H. Thomas 1970-1-1 15492 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH128  Pseudotsuga menziesii var. menziesii John Hunter Thomas 1983-4-28 21776 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1186  Psilocarphus tenellus John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1189  Psilocarphus tenellus John Hunter Thomas 1983-5-23 22251 San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack side & low-flow crossing Comment
  CAS-BOT-BC362021  Psilocarphus tenellus Elizabeth McClintock 1965-4-11 s.n. San Mateo San Bruno Mountain. Crocker Hills. Near Guadalupe Road Comment
  CAS-BOT-BC362029  Psilocarphus tenellus Phillip C. Wheeler 1965-6-19 s.n. San Mateo San Bruno Mountain. Ridge Road west of power lines Comment
  CHSC39781  Pteridium aquilinum Maxey-Jones 1928-4-21 San Mateo La Honda Redwoods. Comment
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Jul 10 2010
  CAS-BOT-BC72659  Pteridium aquilinum George Oberlander 1950-7-15 1120 San Mateo Pilarcitos Canyon Comment
  CAS-BOT-BC421320  Pterostegia drymarioides W. Knight; I. Knight 1965-6-20 s.n. San Mateo San Bruno Mountain. Crystal Cave Canyon Comment
  CDA36281  Puccinellia maritima Michael Perlmutter 2011-6-15 San Mateo South San Francisco; Oyster Point Marina. 0 Comment
  SD58312  Puccinellia nutkaensis Alan A. Beetle 1946-6-4 4278 San Mateo on S.F. Bay margin; San Mateo Bridge approach, San Mateo City limits Comment
  JROH5759  Punica granatum John H. Thomas 1973-6-15 16854 San Mateo Woodside. [Jasper Ridge Biological Preserve fence line.] Just outside of Stanford Property, near intersection of San Hill and Whisky Hill roads. 121 Comment
  CAS-BOT-BC460835  Pyrola aphylla A. D. E. Elmer 1903-6-1 4297 San Mateo Pescadero Comment
  UC306551  Pyrola picta A. D. E. Elmer 1903-6-1 4297 San Mateo Pescadero Comment
  CAS-BOT-BC308932  Pyrrocoma E. A. McGregor 1906-9-29 s.n. San Mateo Cooley Landing Comment
  JROH2534  Quercus X morehus W. K. Fisher 1898-3-19 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
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Oct 31 2016
  SFV17779  Quercus agrifolia E. W. Holm 1993-11-26 s. n. San Mateo Huddart Park, near Sequoia Picnic Area on east-facing slope. Comment
  SJSU16069  Quercus agrifolia Allen W. Jacobs 1936-12-8 32 San Mateo Found in Jasper Ridge. Comment
  UCD45132  Quercus agrifolia Edmond W. Holm 1993-10-20 s.n. San Mateo California, San Mateo Co.; Huddart Park, near Sequoia Picnic Area; on an east-facing slope, with redwoods and bay trees nearby; tree 15-18 ft. tal, with 2 trunks. Comment
  CAS-BOT-BC62340  Quercus chrysolepis LeRoy Abrams 1906-10-7 s.n. San Mateo Portola, Santa Cruz Mtns. Comment
  CAS-BOT-BC94285  Quercus durata W. R. Dudley 1894-3-24 s.n. San Mateo By farm road to O'Brien McDonough Ranch, near Portola Comment
  JROH2480  Quercus durata var. durata John H. Thomas 1963-5-12 10077 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2483  Quercus durata var. durata John H. Thomas 1970-4-28 15608 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC105389  Quercus kelloggii W. R. Dudley 1893-4-1 s.n. San Mateo Near Searsville Comment
  JROH2518  Quercus lobata John H. Thomas 1968-4-19 14299 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC23883  Quercus wislizeni Mary Katherine Wicksten 1971-6-16 16 San Mateo Huddart Park, dry gully by horse ring Comment
  NY201784  Quercus wislizeni J. B. Walker 1994-8-15 909 San Mateo Skyline Rd, mile marker 13.84, N of Sky Londa 100 Comment
  RSA181321  Rafinesquia californica John H. Thomas 1965-5-12 10645 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  RSA15338  Ranunculus californicus Carl B. Wolf 1927-2-5 149 San Mateo Pilarcitos Lake Comment
  SD1764  Ranunculus californicus Ulysses S. Grant IV June 1925 San Mateo Near La Honda Comment
  UC1176930  Ranunculus californicus Peter H. Raven 1950-4-30 1955 San Mateo Montara; slopes facing ocean 9 Comment
  SEINET13717384  Ranunculus californicus Unknown 1914-3-22 5730 San Mateo In hard adobe soil. Redwood City. Comment
  CAS-BOT-BC378533  Ranunculus californicus var. californicus J. H. Thomas 1959-4-1 209 San Mateo serpentine hills west of Redwood City Comment
  CAS-BOT-BC378536  Ranunculus californicus var. californicus Daniel Cohen 1953-4-11 12 San Mateo grassy meadow on north shore of Searsville Lake Comment
  JROH3486  Ranunculus hebecarpus John Hunter Thomas 1985-4-22 23547 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3489  Ranunculus hebecarpus John Hunter Thomas 1986-4-22 23970 San Mateo Jasper Ridge Biological Preserve, Stanford University. Wooded slope above east arm of Searsville Lake Comment
  CAS-BOT-BC83423  Ranunculus lobbii J McMurphy 1904-1-1 s.n. San Mateo Coal Mine Ridge. Comment
  JROH3497  Ranunculus muricatus John Hunter Thomas 1983-5-23 22238 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near shack side and low-flow crossing Comment
  UC13950  Ranunculus orthorhynchus var. bloomeri Alice Eastwood Feb. 1896 San Mateo Comment
  JROH5873  Raphanus sativus Ann Lambrecht 2011-7-5 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; at Bear Creek crossing near Preserve boundary fence Comment
  POM283034  Rhamnus californica Lyman Benson 1937-7-8 8447 San Mateo Lake Searsville, Stanford, Mt. Range: Santa Cruz; Watershed: San Francisco Bay 122 Comment
  RSA222805  Rhamnus californica S. S. Berry 1909-4-3 s.n. San Mateo Bear Creek Canyon Grade 259 Comment
  CAS-BOT-BC55890  Rhamnus crocea H. A. Dutton 1900-2-1 s.n. San Mateo unspecified Comment
  JROH3557  Rhamnus crocea Carl B. Wolf 1927-5-31 407 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5728  Rhamnus crocea John Rawlings 2015-3-3 1306 San Mateo Jasper Ridge Biological Preserve, Stanford University; along Trail 8 twenty-five yards south of Trail 7 intersection. 134 Comment
  JROH3568  Rhamnus ilicifolia John H. Thomas 1972-5-5 16078 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA7771  Rhamnus tomentella subsp. tomentella John W. Gillespie 1925-8-9 191 San Mateo Searsville road Comment
  UC1121784  Rhamnus tomentella subsp. tomentella C. M. Belshaw 1935-1-25 1459 San Mateo 2.8 mi w Woodside; Santa Cruz Quad. 457 Comment
  CAS-BOT-BC56665  Rhododendron occidentale William R. Dudley 1895-6-6 s.n. San Mateo Pescadero Cr. (near Iverson's) Comment
  CAS-BOT-BC56669  Rhododendron occidentale W. R. Dudley 1908-9-21 s.n. San Mateo Pescadero Cr. (Iversons') Comment
  CAS-BOT-BC437978  Ribes Eric Walther 1920-5-30 s.n. San Mateo Woodside Comment
  UC858641  Ribes Alice Eastwood 1922-5-27 11324 San Mateo La Honda Comment
  UC311182  Ribes aureum A. D. E. Elmer May, 1903 4514 San Mateo Portola Comment
  CAS-BOT-BC92493  Ribes aureum var. gracillimum Adoph Holme 1929-4-1 s.n. San Mateo Berenda Farm near Redwood City. Comment
  CAS-BOT-BC93009  Ribes californicum var. californicum J. I. McMurphy 1906-5-11 57 San Mateo Santa Cruz Mountain Peninsula. San Francisquito Creek Stanford University. Comment
  OBI14065  Ribes divaricatum Lewis S. Rose 1965-3-16 65008 San Mateo Searsville Lake 122 Comment
  SD121787  Ribes divaricatum Lewis S. Rose 1965-3-16 65008 San Mateo Searsville Lake 121 Comment
  CAS-BOT-BC173084  Ribes divaricatum var. pubiflorum F. J. Jack 1894-3-24 s.n. San Mateo La Honda Road Comment
  CAS-BOT-BC173087  Ribes divaricatum var. pubiflorum L. R. A. 1904-4-10 s.n. San Mateo East of Crystal Springs Reserv. Comment
  UC1736497  Ribes divaricatum var. pubiflorum Dean W. Taylor 1989-4-18 10219 San Mateo Montara Mountain; ridgetop between Ox Hill and Scarper Peak 472 Comment
  CAS-BOT-BC173463  Ribes malvaceum James Roof; Walter Knight; Irja Knight 1967-7-16 2072 San Mateo On north side of ridge road adjacent to Owl's Canyon 304 Comment
  CAS-BOT-BC173466  Ribes malvaceum A. D. E. Elmer 1903-3-1 4750 San Mateo Portola Comment
  SJSU279  Ribes malvaceum H. W. Marion 1936-3-8 San Mateo 0.25 mi E of Searsville L, near Stanford Univ Comment
  RSA0021675  Ribes malvaceum A. D. E. Elmer 1903-03 4535 San Mateo Portola Comment
  CAS-BOT-BC212826  Ribes menziesii Josephine M. Johnson 1918-8-1 s.n. San Mateo Unspecified Comment
  CAS-BOT-BC212845  Ribes menziesii W. & I. Knight 1963-6-24 s.n. San Mateo Quarry No. 4, San Bruno Mountain Comment
  UC1177377  Ribes menziesii Peter H. Raven 1950-2-25 1377 San Mateo canyon above Brisbane; San Bruno Montains 182 Comment
  CAS-BOT-BC212823  Ribes menziesii W. R. Dudley 1910-5-8 s.n. San Mateo Joli's ranch. Top of Santa Cruz Mt. Range Comment
  SEINET10482931  Ribes menziesii Mary Susan Taylor 1978-8-30 Taylor 1855 San Mateo Comment
  JROH5605  Ribes menziesii var. menziesii John Rawlings 2014-3-25 1211 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along Trail 2 -- one plant upslope and one downslope -- about 400 yards west of Zoology Cabin site. 80 Comment
  CAS-BOT-BC144608  Ribes sanguineum var. glutinosum David D. Keck 1932-2-14 1370 San Mateo Near La Honda, Santa Cruz Mountains, (3 miles north) 365 Comment
  CAS-BOT-BC144633  Ribes sanguineum var. glutinosum C. F. Baker 1902-1-15 241 San Mateo West side of King's Mt. Comment
  CAS-BOT-BC144636  Ribes sanguineum var. glutinosum W. R. Dudley 1894-3-29 s.n. San Mateo Between Half Moon Bay and Woodside Comment
  JEPS23909  Ribes sanguineum var. glutinosum Le Roy Abrams 1902-4-13 2333 San Mateo Crystal Springs Comment
  JROH2674  Ribes sanguineum var. glutinosum John H. Thomas 1968-3-17 14174 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2681  Ribes sanguineum var. glutinosum John Hunter Thomas 1982-11-6 21216 San Mateo Jasper Ridge Biological Preserve, Stanford University. On causeway. Comment
  UC75091  Ribes sanguineum var. glutinosum C. F. Baker 1902-1-15 241 San Mateo w side Kings Mountain Comment
  RSA0019105  Ribes sanguineum var. glutinosum D. D. Keck 1932-6-1 1786 San Mateo 3 miles north of La Honda, Santa Cruz Mountains. 366 Comment
  SEINET12220348  Ribes sanguineum var. glutinosum Unknown 1932-1 8919 San Mateo La Honda Road to Sky Line Drive Comment
  CAS-BOT-BC363086  Rigiopappus leptocladus Ira L. Wiggins 1949-4-23 12050 San Mateo Hillsides above Emerald Lake, back of Redwood City Comment
  CAS-BOT-BC363094  Rigiopappus leptocladus Le Roy Abrams 1902-5-4 2401 San Mateo Woodside Comment
  CAS-BOT-BC363090  Rigiopappus leptocladus James McMurphy 1906-5-8 s.n. San Mateo Near head of Crystal Lake Comment
  JROH1205  Rigiopappus leptocladus John Hunter Thomas 1982-5-9 20925 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA159406  Romanzoffia californica John H. Thomas 1961-5-14 9369 San Mateo Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. San Francisco Watershed Reserve. 152 Comment
  RSA0110964  Romanzoffia californica L. R. Abrams 1915-3-23 5568 San Mateo Crystal Springs - San Mateo Road on rocky bluff. Comment
  JEPS125913  Romulea rosea var. australis Dean W. Taylor 2002-3-20 17952 San Mateo Franklin Point, along path to the coastal bluff from the parking area on Hwy 1. 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
  POM144072  Rorippa palustris subsp. occidentalis C. F. Baker 1902-10-20 1856 San Mateo Searsville. Comment
  JROH3768  Rosa John Hunter Thomas 1979-6-12 19595 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near stream below dam Comment
  CHSC56587  Rosa californica Steven Triano 1988-5-24 173 San Mateo Along w side of Old La Honda Road ca 0.6 mi s of Portola Road and 3.8 mi s of Woodside. 201 Comment
  CAS-BOT-BC146697  Rosa gymnocarpa George Oberlander 1949-4-30 134 San Mateo Pilarcitos Canyon Comment
  HSC23985  Rosa gymnocarpa Mary Katherine Wicksten 1971-6-24 110 San Mateo Huddart Park, near entrance Comment
  CAS-BOT-BC146694  Rosa gymnocarpa W. R. Dudley 1896-4-17 s.n. San Mateo By Hallades Trail near wire cable between Portola and La Honda Road Comment
  CAS-BOT-BC5991  Rosa piscatoria Adolph Daniel Edward Elmer 1903-5-1 4923 San Mateo On the Pescadero Creek, Iverson's Place Comment
  CAS-BOT-BC156575  Rubus John Thomas Howell 1938-6-4 13891 San Mateo Burlingame Comment
  CAS-BOT-BC152830  Rubus parviflorus W. R. Dudley 1900-3-17 s.n. San Mateo North of Seal Cove - Santa Cruz Peninsula Comment
  CAS-BOT-BC152837  Rubus parviflorus Margaret A. Barry 1938-5-1 251 San Mateo Coal Mine Ridge Comment
  UC311143  Rubus parviflorus A. D. E. Elmer June, 1903 4294 San Mateo Alpine School House Comment
  UCD113862  Rubus parviflorus Carolyn Lundquist 1994-5-30 25 San Mateo Henrik Ibsen Park, Woodside, 13800 Skyline Blvd. 609 Comment
  POM140137  Rubus parviflorus var. velutinus Edward L. Greene 1902-1-15 245 San Mateo West side King's Mountain. 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-BC157068  Rubus ursinus J. H. Thomas 1949-4-17 296 San Mateo Along bank of San Francisquito Creek near University Ave. and Newell Rd., Palo Alto Comment
  CAS-BOT-BC157091  Rubus ursinus Ned Cahill 1975-1-18 397 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC157099  Rubus ursinus John Thomas Howell 1938-6-4 13889 San Mateo Burlingame Comment
  CAS-BOT-BC157100  Rubus ursinus Peter H. Raven 1950-4-30 1972 San Mateo Above streets of Montara 15 Comment
  JEPS25749  Rubus ursinus L. R. Heckard with Rimo Bacigalupi 1961-5-14 1234 San Mateo Canyon of Pilarcitos Creek about 0.5 mi below Stone Dam Reservoir; Canyon of Pilarcitos Creek below Stone Dam Reservoir 182 Comment
  RSA112366  Rubus ursinus W. R. Dudley 1898-4-15 s.n. San Mateo Searsville. The Santa Cruz Peninsula. Comment
  RSA15290  Rubus ursinus Carl B. Wolf 1927-4-3 258 San Mateo 1 mile above La Honda. Santa Cruz Mountains. Comment
  RSA3892  Rubus ursinus I. L. Wiggins 1929-7-4 3775 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  UC136500  Rubus ursinus C. F. Baker 1902-1-15 246 San Mateo West side King's Mountain Comment
  CAS-BOT-BC422081  Rumex acetosella John H. Thomas 1964-4-30 10362 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  CAS-BOT-BC422089  Rumex acetosella Elizabeth McClintock; Philip Wheeler 1967-5-15 s.n. San Mateo San Bruno Mountain. East side of mountain, above Harold Ave., Brisbane. Grassy slope above Philip Wheeler's house. Comment
  JROH3296  Rumex conglomeratus John Hunter Thomas 1990-2-6 24867 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC433355  Rumex crispus Walter Knight; Irja Knight 1965-4-24 s.n. San Mateo San Bruno Mountain. Point San Bruno Comment
  CAS-BOT-BC433368  Rumex crispus J. H. Thomas 1949-4-2 222 A San Mateo Palo Alto Yacht Club. Comment
  UC1537263  Rumex maritimus Gordon H. True Jr. 1937-10-16 847 San Mateo near Thornton Beach 15 Comment
  UC1215067  Rumex occidentalis V. F. Hesse 1962-7-19 3164 San Mateo between ocean and Pescadero 9 Comment
  JROH2218  Rupertia physodes John Hunter Thomas 1980-4-10 19865 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1109006  Ruppia cirrhosa H. E. Parks Oct 1928 San Mateo Laguna Salada Comment
  CAS-BOT-BC454107  Ruppia cirrhosa James McMurphy 1909-10-17 s.n. San Mateo San Gregorio Comment
  SEINET3837363  Ruppia maritima Unknown 1946-4-30 s.n. San Mateo .5 mile north of Redwood City Comment
  CDA40209  Ruta chalepensis Thad 2004-9-24 s.n. San Mateo San Francico Bay Area; City of San Mateo. 0 Comment
  JEPS128160  Rytidosperma caespitosum Eric Wrubel 2012-6-19 NPS 41 San Mateo Golden Gate National Recreation Area. Sweeney Ridge Baquiano Trail. Comment
  JEPS128162  Rytidosperma penicillatum Eric Wrubel 2012-7-1 NPS 42 San Mateo Golden Gate National Recreation Area. Rancho Corral de Tierra, Spine Trail. Comment
  JROH1724  Sagina John Hunter Thomas 1984-4-8 23277 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA159420  Sagina apetala John H. Thomas 1961-5-14 9371 San Mateo Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. San Francisco Watershed Reserve. 152 Comment
  UCD99141  Salicornia rubra Malcolm A. Nobs; S. Galen Smith 1948-12-11 713 San Mateo Highway 101 near shore of bay, at Whipple Avenue intersection, Redwood City. Comment
  CAS-BOT-BC103337  Salix bonplandiana W. R. Dudley 1900-3-18 s.n. San Mateo South of San Andreas Lake Comment
  JROH3849  Salix exigua var. hindsiana John Hunter Thomas 1985-4-25 23558 San Mateo Jasper Ridge Biological Preserve, Stanford University. Causeway Comment
  JROH3858  Salix laevigata Toni Corelli 2002-11-18 250 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 21, West side of Searsville Lake on lake trail that is east of the Field Station 106 Comment
  UC492362  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1932-7-4 640 San Mateo 4/10 mi e. Pescadero (Butano Creek Rd.) Comment
  UC492365  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1932-7-4 640 San Mateo 4/10 mi e. Pescadero (Butano Creek Rd.) Comment
  CAS-BOT-BC125369  Salix lasiandra var. lasiandra W. R. Dudley 1902-9-21 s.n. San Mateo Near Crystal Springs Lake Comment
  CAS-BOT-BC125372  Salix lasiandra var. lasiandra W. R. Dudley 1893-1-1 s.n. San Mateo Hill north of South San Francisco Comment
  JROH3874  Salix lasiandra var. lasiandra John H. Thomas 1973-4-7 16520 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Searsville Lake Comment
  CAS-BOT-BC107131  Salix lasiolepis C. R. Ball; G. W. Hendry 1931-2-22 14 San Mateo San Gregorio, near sea level - in arroyo near San Gregorio Creek, 100 m. from ocean Comment
  CAS-BOT-BC107135  Salix lasiolepis Walther 1919-2-23 s.n. San Mateo Woodside Comment
  CAS-BOT-BC166940  Salix lasiolepis Peter Rubtzoff 1976-3-14 8446 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  JROH3867  Salix lasiolepis Toni Corelli 2003-2-6 255 San Mateo Jasper Ridge Biological Preserve, Stanford University; west side of lake below Searsville Lab 106 Comment
  LA208768  Salix lasiolepis David D. Keck; 1932-1-24 1356 San Mateo Portola 150.0 Comment
  RSA184897  Salix lasiolepis L. S. Rose 1965-3-8 65004 San Mateo Searsville Lake. 122 Comment
  UC481894  Salix lasiolepis C. R. Ball and G. W. Hendry 1931-2-22 14 San Mateo in arroyo near San Gregorio Creek (100 m from ocean); San Gregorio Comment
  CAS-BOT-BC107248  Salix lasiolepis var. bigelovii Peter Rubtzoff 1987-11-27 9888 San Mateo San Bruno Mountains, Saddle area on north side of Guadelupe Canyon, Parkway west of Radio Road junction; northwestern part of the area along old Guadelupe Road, Upper part of East Fork Colma Creek canyon. Comment
  RSA155449  Salix lucida subsp. lasiandra L. S. Rose 1961-2-16 61004 San Mateo 3 miles N of La Honda. 335 Comment
  CAS-BOT-BC126491  Salix sitchensis A. D. E. Elmer 1903-5-1 4917 San Mateo Portola Comment
  CAS-BOT-BC126495  Salix sitchensis Phillip Wheeler 1966-10-16 s.n. San Mateo Crocker Industrial Park Comment
  CAS-BOT-BC126499  Salix sitchensis W. R. Dudley 1903-5-1 s.n. San Mateo Iverson's near Pescadero Creek Comment
  CAS-BOT-BC126503  Salix sitchensis W. R. Dudley 1903-5-1 s.n. San Mateo Iverson's near Pescadero Creek Comment
  CAS-BOT-BC126506  Salix sitchensis D. E. Breedlove 1974-5-13 36212 San Mateo San Pedro Valley Park, Pacifica 152 Comment
  POM167386  Salix sitchensis A. D. E. Elmer 1903-05 4917 San Mateo Portola. Comment
  RSA169343  Salix sitchensis L. S. Rose 1964-3-14 64007 San Mateo Princeton. 6 Comment
  CAS-BOT-BC180794  Salsola soda John H. Thomas 1974-10-6 17615 San Mateo Palo Alto Yacht Harbor near airport. Altitude about sea level. Comment
  UC1219867  Salvia spathacea John H. Thomas 1961-5-7 9299 San Mateo San Bruno Mountain; n part of San Mateo County 304 Comment
  SEINET10581809  Salvia spathacea Lewis S. Rose 1965-4-22 Rose 65028 San Mateo San Bruno Mountain, Colma Canyon open slopes. 61 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
  CAS-BOT-BC246020  Sambucus nigra subsp. caerulea Walter Knight; Irja Knight 1965-4-24 1029 San Mateo Point San Bruno at the bay shore on bluff, San Bruno Mountain Comment
  CAS-BOT-BC246024  Sambucus nigra subsp. caerulea Daniel Cohen 1953-6-3 107 San Mateo Los Trancos Woods Comment
  CAS-BOT-BC246027  Sambucus nigra subsp. caerulea A. D. E. Elmer 1903-7-1 4689 San Mateo Portola Comment
  CAS-BOT-BC236455  Sambucus racemosa subsp. racemosa James B. Roof 1966-3-27 s.n. San Mateo Power Line Ridge, San Bruno Mountain Comment
  CDA3947  Sanguisorba minor subsp. muricata T. C. Fuller 1974-5-21 19992 San Mateo San Pedro Valley County Park, east above the end of Linda Mar Boulevard, Pacifica. 0 Comment
  UCSC005903  Sanicula Randall Morgan 1983-2-15 s.n. San Mateo From large extended population in small ravine between El Corte Madera Creek and Bogess Creek (N of San Gregorio Rd.) Comment
  POM133562  Sanicula arctopoides Edward L. Greene 1902-3-30 425 San Mateo Crystal Springs Lake. Comment
  RSA470980  Sanicula arctopoides Glenn A. Gorelick 1967-2-10 s.n. San Mateo San Bruno Mountains, overlooking Daly City near San Francisco. Comment
  UC420495  Sanicula arctopoides R. L. Pendleton 1907-4-20 625 San Mateo Colma 152 Comment
  HSC21617  Sanicula arctopoides L. S. Rose 1965-3-25 65012 San Mateo San Bruno Mtns., N end 122 Comment
  UCD127932  Sanicula bipinnatifida R. E. Dengler 1960-4-14 33 San Mateo Jasper Ridge, Stanford Biological Reserve. 121 Comment
  RSA40292  Sanicula crassicaulis L. S. Rose 1948-5-9 48108 San Mateo W. of Burlingame 122 Comment
  UCD164334  Sanicula crassicaulis Peter Rubtzoff 1976-6-30 8712 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  UC202777  Sanicula laciniata A. D. E. Elmer April, 1903 4498 San Mateo Portola; ; Portola, San Mateo Co. Comment
  JROH347  Sanicula tuberosa H. J. Dengler 1964-3-29 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; in the center of the westernmost enclosure, above the old trail to S.F. Creek Comment
  CHSC45763  Satureja douglasii Steven Triano 1988-5-24 198 San Mateo Ca 750 ft s of Hwy. 1 and 2.9 mi s of Pigeon Point Light Station. 24 Comment
  POM204321  Satureja douglasii I. L. Wiggins 1929-7-4 3778 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  POM283188  Satureja douglasii Lyman Benson 1930-5-26 s.n. San Mateo Stanford University. Lake Searsville. 152 Comment
  RSA120731  Satureja douglasii S. S. Tillett, Sternback 1956-6-24 s.n. San Mateo Middleton property, behind (N.) Portola Camp Store, just outside Portola State Park. 396 Comment
  RSA128598  Satureja douglasii Peter H. Raven 1950-4-30 1988 San Mateo Montara Mountains 122 Comment
  JROH360  Scandix pecten-veneris John Hunter Thomas 1983-5-23 22241 San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack side and low-flow crossing Comment
  RSA790260  Schedonorus arundinaceus Peter Rubtzoff 1977-6-21 9060 San Mateo Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction northwest of Fog Forest. Comment
  JROH4417  Schoenoplectus acutus var. occidentalis John Hunter Thomas 1988-6-2 24502 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near old bridge. Comment
  JROH4423  Schoenoplectus acutus var. occidentalis M. Whitley 1990-5-28 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. By the floats on the lake. Comment
  SJSU15965  Schoenoplectus acutus var. occidentalis John Rawlings, Ken Hickman 2016-5-26 1843 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
  HSC7526  Schoenoplectus americanus R. E. Jones 1966-4-4 22 San Mateo Ano Nuevo Beach 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
  CAS-BOT-BC111061  Scirpus microcarpus Malcom A. Nobs; Stanley Galen [S. Galen] Smith 1949-8-25 1559 San Mateo Marshes at Sharp Park. Comment
  CDA39140  Scirpus microcarpus I. J. Campbell 1959-4-16 s.n. San Mateo Quadro Ranch, Pescadero. 0 Comment
  UC841375  Scirpus microcarpus C. B. Carter 1928-11-11 San Mateo La Honda Canyon Comment
  UCD141255  Scirpus microcarpus Malcolm A. Nobs; S. Galen Smith 1949-8-25 1559 San Mateo Sharp Park. Comment
  UC1102717  Scirpus pungens John H. Thomas 1960-6-25 8797 San Mateo along or near small creek running into Redwood Slough between El Camino Real and rr tracks, near Maple St. Redwood City Comment
  UC494236  Scoliopus bigelovii Anna E. Ehlers 278 San Mateo San Andreas Comment
  UC765856  Scoliopus bigelovii R. F. Hoover 1939-3-3 3897 San Mateo above Portola (on La Honda rd.) Comment
  CAS-BOT-BC519002  Scoliopus bigelovii Elmer I. Applegate 1895-3-9 737 San Mateo Above Woodside Comment
  CAS-BOT-BC519013  Scoliopus bigelovii Lewis S. Rose 1964-2-6 64000 San Mateo Kings Mountain 609 Comment
  RSA299412  Scoliopus bigelovii Inez Smith 1915-03 s.n. San Mateo Hillsboro. Comment
  SEINET12050509  Scoliopus bigelovii F. H. Utech 1988-1 88 -040 San Mateo 2.6 mi from junction of Kings Mt. Road & CA 35 on former enroute to Woodside 350 Comment
  SEINET12057731  Scoliopus bigelovii F. H. Utech 1988-5-17 88 -142 San Mateo 0.5 mi from junction of Kings Mt. Road & CA 35 on former enroute to Woodside, Skyline Hiking Trail 580 Comment
  JROH5461  Scribneria bolanderi John Rawlings 2008-5-4 1033 San Mateo Jasper Ridge Biological Preserve, Stanford University. Vicinity of Phalaris californica seep. 171 Comment
  JROH4121  Scrophularia californica W. R. Dudley 1895-7-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake Comment
  RSA18300  Scrophularia californica Carl B. Wolf 1927-5-31 416 San Mateo North end of Searsville Lake. Comment
  RSA427185  Scrophularia californica subsp. floribunda Glenn A. Gorelick 1967-4-4 s.n. San Mateo San Bruno Mts; overlooking Daly City near San Francisco. Comment
  POM283229  Scutellaria tuberosa Lyman Benson 1928-4-23 497 San Mateo Stanford University, Santa Cruz foothills. 152 Comment
  CAS-BOT-BC59057  Sedum spathulifolium A. D. E. Elmer 1903-6-1 4550 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC59052  Sedum spathulifolium Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo San Bruno Mountain, below parking lot on the top of the mountain. Comment
  SJSU5889  Sedum spathulifolium S. H. Casey 1969-5-18 247 San Mateo above Fern Rock on NE side of San Bruno Mt Comment
  CAS-BOT-BC363383  Senecio aronicoides John H. Thomas 1961-5-7 9308 San Mateo San Bruno Mountain in northern part of county 396 Comment
  JROH1219  Senecio aronicoides John H. Thomas 1967-5-10 12855 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA0012754  Senecio aronicoides John H. Thomas 1961-5-7 9308 San Mateo San Bruno Mountain, in northern part of county. 305 Comment
  CAS-BOT-BC363386  Senecio aronicoides Walter Knight; Irja Knight 1965-2-28 869 San Mateo Pacifica ca 300-400 yds E. of parking area Comment
  CAS-BOT-BC363390  Senecio aronicoides Catherine A. Toschi 1963-3-17 63 :62 San Mateo East slope San Bruno Mountains below radio station 213 Comment
  JROH1216  Senecio aronicoides D. D. Davis 1903-5-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville vicinity Comment
  CAS-BOT-BC363736  Senecio hydrophilus Le Roy Abrams 1901-9-1 2220 San Mateo Menlo Park, borders of S.F. Bay Comment
  RSA132965  Senecio mikanioides John H. Thomas 1958-12-18 7509 San Mateo Along Skyline Blvd. just west of San Bruno. Comment
  JROH1224  Senecio vulgaris John H. Thomas 1968-3-17 14188 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC85779  Sequoia sempervirens W. R. Dudley 1900-2-1 s.n. San Mateo Santa Cruz Mountain Peninsula, near King's Mt. house. Comment
  CAS-BOT-BC85780  Sequoia sempervirens W. R. Dudley 1897-1-1 s.n. San Mateo Santa Cruz Mountain Peninsula, Butano Creek Comment
  CDA34046  Sequoia sempervirens D. G. Kelch, David Gernandt, Steffi Ickert-Bond, Yingli Guo 2011-4-22 11 .156 San Mateo Santa Cruz Mountains; Along Route 9, ~5 km E of Big Basin Redwoods. Comment
  JEPS48276  Sequoia sempervirens Alice F. Crane 1917-11-27 San Mateo La Honda Comment
  NY64526  Sequoia sempervirens C. F. Baker 1902-1-15 319 San Mateo West side of King's Mountain Comment
  POM222897  Sequoia sempervirens S. S. Berry 1909-3-13 s.n. San Mateo King s Mountain. 640 Comment
  CAS-BOT-BC85784  Sequoia sempervirens Atkinson 1901-1-27 s.n. San Mateo Santa Cruz Mountain Peninsula, near Preston's Place, Portola Valley Comment
  CAS-BOT-BC243555  Setaria parviflora Paul Reeberg; Jake Sigg; Peter Rubtzoff 1991-8-10 s.n. San Mateo West side of P.G.&E. property, adjacent of P.G.&E. Marsh, San Bruno Mountains Comment
  UCR121586  Sherardia arvensis George K. Helmkamp, E. A. Helmkamp 1999-6-28 4965 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
  JROH3831  Sherardia arvensis John H. Thomas 1971-4-10 15762 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA295088  Sherardia arvensis Robert A. Norris 1981-4-7 4124 San Mateo Near small paved road. Vista Point near Interstate Hwy 280. Ca 1.5 miles SE of jct with State Hwy 92. Comment
  UCD122002  Sherardia arvensis K. L. Koch 1965-5-1 39 San Mateo Alpine Road, .4 mile from Portola Park turnoff. 487 Comment
  SEINET3561191 Image available Sidalcea calycosa Lewis S. Rose 1934-5-27 34281 San Mateo Emerald Lake. Comment
  CAS-BOT-BC205604  Sidalcea malviflora Dean Wm. Taylor 1988-3-30 9469 San Mateo Santa Cruz Mountains. San Bruno Mountain, northern slope of southeast ridge of the mountain, near the ridgecrest. Right-of-way of eastern-most set of PG&E high-voltage powerlines crossing the mountain 237 Comment
  UCSB11675  Sidalcea malviflora Connelly, Dianne 1962-4-21 San Mateo Above main office of Westborough homes development, 10 miles north of San Francisco, Skyline Boulevard 121 Comment
  RSA7439  Sidalcea malviflora subsp. malviflora J. T. Howell 1933-4-9 10974 San Mateo 2 miles N. of Pigeon Pt. Comment
  CHSC22898  Sidalcea malviflora subsp. rostrata Robert A. Schlising 1963-2-23 2434 San Mateo California Coast Ranges. 21 miles north of Davenport, along highway 1. Comment
  CAS-BOT-BC389902  Silene Alice Eastwood 1912-6-10 328 San Mateo Millbrae Comment
  UCD164093  Silene gallica Peter Rubtzoff 1978-5-5 9164 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-BC389195  Silene laciniata subsp. californica A. D. E. Elmer 1903-6-1 4446 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC364860  Silybum marianum J. H. Thomas 1949-5-25 562 San Mateo Near western approach to the Dumbarton Bay Bridge 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
  JROH4443  Sisyrinchium bellum John Hunter Thomas 1981-4-21 20464 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4440  Sisyrinchium bellum John H. Thomas 1964-4-19 10322 San Mateo Jasper Ridge Biological Preserve, Stanford University. Oakwoodland near Searsville end of ridge Comment
  UC1084412  Smilacina racemosa G. Thomas Robbins 1937-4-11 110 San Mateo hillside above Redwood City Comment
  UCR51647  Smilacina racemosa 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
  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
  CHSC56603  Solanum douglasii Steven Triano 1988-5-24 172 San Mateo Along se side of Old La Honda Road ca 0.5 air miles e of SkyLonda. 405 Comment
  RSA22959  Solanum douglasii L. R. Abrams, I. L. Wiggins 1939-6-3 425 San Mateo Ano Nuevo Point. Comment
  RSA152273  Solanum furcatum John H. Thomas 1961-5-7 9302 San Mateo San Bruno Mountain, in northern part of county. 305 Comment
  UC1327228  Solanum furcatum John T. Doyen 1966-3-28 34 San Mateo San Bruno Mountains, near Radio Towers on top San Bruno Mountains Comment
  CAS-BOT-BC157040  Solanum umbelliferum Walter Knight; Walter Knight 1963-6-24 s.n. San Mateo Quarry 4 Comment
  JROH4186  Solanum umbelliferum John H. Thomas 1958-2-15 6988 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4189  Solanum umbelliferum John H. Thomas 1968-3-17 14192 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  NY820569  Solanum umbelliferum L. Abrams 1914-4-2 5073 San Mateo Woodside Comment
  POM62325  Solanum umbelliferum C. F. Baker 1902-1-15 234 San Mateo Kings Mountain. West side of King's Mountain. Comment
  RSA295084  Solanum umbelliferum Robert A. Norris, John L. Inase 1981-1-18 4093 San Mateo Near Ano Nuevo Point. (near Santa Cruz Co. line) Comment
  SD37373  Solanum umbelliferum Delzie Demaree 1932-4-9 8981 San Mateo Los Trancos Woods Comment
  RSA681607  Solanum umbelliferum Annuschka Deb 1989-4-19 115 San Mateo YBN Berm near parking lot. From Fanny Arnold's ranch. Comment
  UC1537406  Solanum umbelliferum Gordon H. True Jr. 1936-4-5 385 San Mateo between San Gregorio Pescadero (near coast) 30 Comment
  RSA34004  Solidago canadensis subsp. elongata J. Wendell Howe 1930-5-27 s.n. San Mateo Pigeon Point Road. Comment
  RSA97497  Solidago canadensis subsp. elongata L. S. Rose 1954-8-29 54113 San Mateo Trinitas. 30 Comment
  CAS-BOT-BC365538  Solidago elongata Lewis S. Rose 1931-9-9 s.n. San Mateo Kings Mt. Comment
  UC1777680  Solidago elongata J. D. Skoss 1948-8-22 121 San Mateo San Vicente Canyon Comment
  CAS-BOT-BC365747  Solidago spathulata Elizabeth McClintock 1966-9-29 s.n. San Mateo San Bruno Mountain. Lower part of Colma Canyon Comment
  JROH1244  Soliva sessilis John Hunter Thomas 1978-5-12 19202 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC374708  Sonchus oleraceus Javier Penalosa 1963-3-30 2724 San Mateo San Bruno Mountain. North of Randolph Drive at Hillside Blvd. in SSF 91 Comment
  CAS-BOT-BC374710  Sonchus oleraceus Walter Knight; Irja Knight 1964-4-25 691 San Mateo San Bruno Mountain. Upper part of ravine adjacent to Radio Rd. 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
  JROH5586  Sparganium eurycarpum var. eurycarpum John Rawlings 2012-7-9 1201 B San Mateo Jasper Ridge Biological Preserve, Stanford University. Near upper lake (west of Portola Rd.) adjacent to power line right-of-way. 106 Comment
  JROH5521  Sparganium eurycarpum var. eurycarpum L. R. Abrams 1919-8-20 7346 San Mateo Jasper Ridge Biological Preserve, Stanford University. Head of Searsville Lake by Road. Comment
  CAS-BOT-BC236630  Spartina foliosa John Thomas Howell 1956-11-22 31962 San Mateo Near Main St. and Bayshore Highway, Redwood City Comment
  RSA23203  Spartina foliosa I. L. Wiggins 1938-11-25 9213 San Mateo Along Dumbarton Bridge approach Comment
  SACT002295  Spartina foliosa Malcolm Nobs, S. Smith 1949-8-27 San Mateo Salt marches east of Redwood City. Comment
  CAS-BOT-BC389687  Spergula arvensis Jeanie Nieri 1953-2-3 s.n. San Mateo Empty lot three miles west of Hillsdale Comment
  CAS-BOT-BC390204  Spergularia bocconi G. B. Rossbach; R. P. Rossbach 1940-6-20 737 San Mateo 1 mile south of Montara Point Comment
  CAS-BOT-BC390207  Spergularia bocconi Alice Eastwood 1937-7-25 18888 San Mateo Pebble Beach, Pescadero Comment
  JROH5559  Spergularia bocconi Herb Dengler 1965-4-18 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; top of Jasper Ridge on "road" about 150 feet out of blue oaks into meadow above Hodge Spring 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-BC390463  Spergularia macrotheca var. macrotheca Anne Constant 1955-5-28 197 San Mateo Top of bluff at Pescadero Beach 7 Comment
  SJSU15797  Spergularia macrotheca var. macrotheca Toni Corelli 2010-6-1 677 San Mateo Wavecrest, west of Highway 1 in Half Moon Bay 23 Comment
  CAS-BOT-BC390466  Spergularia macrotheca var. macrotheca W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. By grade, south slope Montara Mts. and near the ocean Comment
  SBBG25048  Spergularia marina D. Myrick 1966-6-11 1452 San Mateo ocean bluff at Pigeon Point off Hwy 1 Comment
  CAS-BOT-BC390919  Spergularia marina John Thomas Howell 1924-9-28 662 San Mateo At the Leslie Salt Refinery Comment
  CAS-BOT-BC390922  Spergularia marina Walter Knight; Irja Knight 1964-9-2 984 San Mateo San Bruno Mountain. Beach at Point San Bruno Comment
  CAS-BOT-BC390699  Spergularia rubra Ira L. Wiggins 1974-7-27 22108 San Mateo Crest of northerly bank of San Francisquito Creek, opposite 1455 Woodland Avenue, Menlo Park Comment
  CAS-BOT-BC390702  Spergularia rubra Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain. Base of Quarry 2 Comment
  SJSU15220  Stachys ajugoides Toni Corelli 2011-5-23 702 San Mateo Bean Hollow State Beach, Arroyo de los Frijoles Trail. Coastal bluff top south of Bean Hollow Beach 10 Comment
  RSA131287  Stachys ajugoides W. R. Dudley 1894-05 s.n. San Mateo Woodside to Crystal Springs Reservoir Comment
  UC306581  Stachys ajugoides var. ajugoides A. D. E. Elmer June, 1903 4260 San Mateo Crystal Springs Lake Comment
  CDA20748  Stachys bullata Arthur Gilbert 2006-11-14 XI- 14 /15-2006 San Mateo Frenchmans Creek, Half Moon Bay. 0 Comment
  UC1124917  Stachys bullata N. K. Carlson 1935-7-5 32 San Mateo 3 mi s Bellvale; Santa Cruz Quadrangle Comment
  JROH2904  Stachys bullata John Hunter Thomas 1977-6-16 18809 San Mateo Jasper Ridge Biological Preserve, Stanford University; in Searsville Lake Comment
  POM283275  Stachys bullata Lyman Benson 1928-12-15 828 San Mateo La Honda, Santa Cruz Mountain Range, North slope. 213 Comment
  POM63420  Stachys chamissonis A. D. E. Elmer 1903-07 4760 San Mateo Pilarcitos Stone Dam. Comment
  SEINET3559385 Image available Stachys pycnantha Lewis S. Rose 1934-5-27 34279 San Mateo Emerald Lake. Comment
  NY415794  Stachys quercetorum A. A. Heller 1907-5-28 8577 San Mateo Above Crystal Springs on the Half Moon Bay road Comment
  CAS-BOT-BC164655  Stachys rigida subsp. quercetorum Peter Rubtzoff 1977-6-21 9063 San Mateo San Bruno Mountain. Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction; East Fork Colma Creek Canyon, near upper rim. Comment
  RSA785892  Stachys rigida subsp. quercetorum Peter Rubtzoff 1977-6-21 9063 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. East Fork Colma Creek Canyon, near upper rim. Comment
  SEINET10499276 Image available Stachys rigida subsp. quercetorum A. Arthur Heller 1907-5-28 Heller 8577 San Mateo Above Crystal Springs on the Half Moon Bay road Comment
  CAS-BOT-BC5590  Stachys rigida var. quercetorum A. A. Heller 1907-5-28 8577 San Mateo Above Crystal Springs on the Half Moon Bay road 137 Comment
  CAS-BOT-BC394056  Stellaria media John H. Thomas 1963-5-20 10125 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz. Comment
  UC1536756  Stephanomeria elata G. H. True Jr. 1937-7-31 830 San Mateo near Skyline Blvd. (Alpine Road) 182 Comment
  JROH5813  Stephanomeria virgata John Rawlings, Diane Renshaw 2016-8-8 1931 San Mateo Jasper Ridge Biological Preserve, Stanford University. On steep south-facing road bank opposite Tr. 14/Rd E intersection, a few additional plants at the Tr. 14/Rd E intersection and along the trail 106 Comment
  POM88000  Stephanomeria virgata L. R. Abrams 1902-9-28 3002 San Mateo New Grade Road. Comment
  RSA18514  Stephanomeria virgata C. B. Wolf 1927-7-14 606 San Mateo Summit of Kings Mountain Rd. Comment
  JROH5324  Stipa lepida John Hunter Thomas 1981-5-25 20618 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC13372  Stipa pulchra L. S. Rose 1963-4-27 63000 San Mateo Skyline Blvd., W of San Mateo 91 Comment
  RSA20106  Stuckenia pectinata I. L. Wiggins 1935-6-29 8051 San Mateo Pescadero Creek, about 1 mile west of Pescadero. Comment
  SEINET958410  Stuckenia pectinata Ira L. Wiggins, R. S. Terris 1939-1 9293 San Mateo Ano Nuevo Point. Comment
  UCD138364  Stuckenia pectinata Malcolm A. Nobs; S. Galen Smith 1949-8-25 1552 San Mateo Sharp Park. Comment
  UC50119  Stylomecon heterophylla J. Burtt Davy 1895-4-20 1080 San Mateo San Mateo Creek Comment
  SD4989  Symphoricarpos albus var. laevigatus Ulysses S. Grant IV Jun 1925 San Mateo Near La Honda. Comment
  CAS-BOT-BC237068  Symphoricarpos mollis Fred Hemphill 1973-4-15 672 San Mateo Area north of Malabar Road and Melendy Drive, San Carlos 207 Comment
  CAS-BOT-BC344895  Symphyotrichum chilense Peter Rubtzoff 1975-9-11 8376 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. Comment
  SD30757  Symphyotrichum chilense Edith A. Purer 1933-8-25 5521 San Mateo Spring Valley, along roadside Comment
  UC1119618  Symphyotrichum chilense A. Wright 1928-9-11 San Mateo s of Chinese Cemetary; San Mateo Quad. 548 Comment
  CAS-BOT-BC99062  Symphyotrichum chilense Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain - Quarry 4 Comment
  OBI59917  Symphyotrichum chilense David J. Keil 1988-11-19 21201 San Mateo Highway 1, south of Half Moon Bay Comment
  RSA0036456  Taraxacum officinale Peter Rubtzoff 1977-4-14 8943 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction. East Fork Colma Creek canyon area at the NW corner of Fog Forest, San Bruno Mountains. Comment
  JROH369  Tauschia hartwegii John H. Thomas 1976-4-19 18086 San Mateo Jasper Ridge Biological Preserve, Stanford University; vicinity of dam Comment
  UC763103  Tauschia kelloggii R. F. Hoover 1941-5-20 5109 San Mateo Redwood City hills Comment
  RSA119855  Tauschia kelloggii W. R. Dudley 1892-5-14 s.n. San Mateo Pass, near head of Calera Valley. Comment
  CAS-BOT-BC447481  Tellima grandiflora John H. Thomas 1974-5-9 17334 San Mateo San Pedro Valley. Northern part of county, inland from Pacifica. 152 Comment
  CAS-BOT-BC447475  Tellima grandiflora John H. Thomas 1967-5-7 12836 San Mateo Near intersections of Bean Hollow and Pescadero roads, about 1/2 mile westward from Pescadero 91 Comment
  CDA25447  Tellima grandiflora T. C. Fuller 1960-4-2 San Mateo Alpine Road, 3.4 miles southeast of La Honda. 0 Comment
  JROH3506  Thalictrum fendleri var. polycarpum Daniel Cohen 1953-4-11 14 San Mateo Jasper Ridge Biological Preserve, Stanford University. Growing near roadside at edge of Searsville Lake Comment
  JROH3509  Thalictrum fendleri var. polycarpum D. E. Breedlove 1971-5-31 19373 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH3515  Thalictrum fendleri var. polycarpum John Hunter Thomas 1991-4-11 24987 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC399840  Thalictrum polycarpum J. H. Thomas 1954-4-3 3835 San Mateo Pilarcitos Creek Road, 3.5 miles NE of Halfmoon [Half Moon] Bay 121 Comment
  CAS-BOT-BC399844  Thalictrum polycarpum W. R. Dudley 1904-4-10 s.n. San Mateo Santa Cruz Mountain Peninsula. Alpine Road, Black Mt. Comment
  CAS-BOT-BC66669  Thysanocarpus curvipes John H. Thomas 1973-4-7 16519 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  JROH1595  Thysanocarpus curvipes subsp. elegans John Hunter Thomas 1981-4-21 20455 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD27906  Tiarella trifoliata var. unifoliata L. A. Waitzinger 1927-8-14 San Mateo Islam Camp, near La Honda, Santa Cruz Mts. Comment
  JROH391  Torilis nodosa John Hunter Thomas 1983-6-2 22327 San Mateo Jasper Ridge Biological Preserve, Stanford University; near green shack Comment
  JROH403  Torilis nodosa John Hunter Thomas 1989-5-9 24697 San Mateo Jasper Ridge Biological Preserve, Stanford University; near old shack riders shack Comment
  SEINET3876264 Image available Torreya californica Ira L. Wiggins 1945-5-5 11161 San Mateo Along La Honda Creek about 1 mile above La Honda.; 0 152 Comment
  JROH186  Toxicodendron diversilobum John H. Thomas 1974-10-26 17625 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU10559  Toxicoscordion fremontii W. J. Cervenka 1962-2-2 San Mateo S end of Portofino Dr, San Carlos Comment
  JROH4295  Tribulus terrestris Toni Corelli 2005-9-14 305 b San Mateo Jasper Ridge Biological Preserve, Stanford University; along road B just west of entrance to Dennis Martin marker site 168 Comment
  RSA681673  Trichostema lanatum Deb Annuschka 1990-11-16 388 San Mateo Yerba Buena Herbarium. Comment
  RSA176743  Trientalis latifolia John H. Thomas 1961-5-5 9215 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Along San Francisquito Creek below Searsville Dam. 76 Comment
  POM160586  Trientalis latifolia Lester Rowntree 1929-6-15 s.n. San Mateo Santa Cruz Mts Comment
  JROH2234  Trifolium arvense Toni Corelli 2006-5-30 312 San Mateo Jasper Ridge Biological Preserve, Stanford University; Road G, in the center of road that goes to Douglas' iris site, in disturbed area in large mammal camera site 4 111 Comment
  POM88149  Trifolium barbigerum L. R. Abrams 1904-5-5 s.n. San Mateo Jasper Ridge near Stanford University. Comment
  SEINET881659 Image available Trifolium bicephalum A. D. E. Elmer 1903-1 4812 San Mateo San Pedro. Comment
  POM278010  Trifolium bifidum Lyman D. Benson 1935-5-5 6523 San Mateo Lake Searsville 152 Comment
  JROH2254  Trifolium bifidum var. decipiens John H. Thomas 1967-5-12 12871 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SBBG33500  Trifolium ciliolatum A. D. E. Elmer -May-1903 San Mateo Portola Comment
  RSA120981  Trifolium ciliolatum W. R. Dudley 1904-4-23 s.n. San Mateo Lower part Goat Ranch Road. Comment
  RSA178682  Trifolium depauperatum var. amplectens John H. Thomas 1964-4-19 10320 San Mateo Jasper Ridge Biological experimental area, 5 miles SW of Palo Alto. Comment
  JROH2271  Trifolium depauperatum var. truncatum John H. Thomas 1973-4-14 16567 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM88138  Trifolium dichotomum L. R. Abrams 1902-5-4 2420 San Mateo Woodside- Serpentine Hills Comment
  SJSU15441  Trifolium fragiferum Toni Corelli 2011-8-31 714 San Mateo Pescadero State Beach and Marsh Natural Preserve, Round Hill Trail at the end of Water Lane Road 8 Comment
  JROH2284  Trifolium fucatum John H. Thomas 1955-5-6 4987 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent grassy slopes Comment
  UC866776  Trifolium fucatum Alice Eastwood 1915-6-13 4720 San Mateo Granada Comment
  UCSB7299  Trifolium fucatum Walker, Clifford 1954-4-20 San Mateo 50 yds. from ocean, 1 mi. S of Half Moon Bay Comment
  POM223326  Trifolium fucatum var. fucatum L. S. Rose 1935-5-4 35152 San Mateo Burlingame. Comment
  JROH2314  Trifolium glomeratum Toni Corelli 2012-5-15 374 San Mateo Jasper Ridge Biological Preserve, Stanford University; Road J 115 Comment
  SJSU15444  Trifolium gracilentum var. gracilentum Toni Corelli 2010-5-13 603 San Mateo Pedro Point Headlands, Pacifica, CA, along South Ridge Trail 180 Comment
  JROH2329  Trifolium hirtum John Hunter Thomas 1986-6-3 24077 San Mateo Jasper Ridge Biological Preserve, Stanford University; old beach Comment
  JROH2338  Trifolium microcephalum John H. Thomas 1956-4-7 5607 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent slopes Comment
  POM20403  Trifolium microcephalum A. D. E. Elmer 1903-04 4856 San Mateo Portola. Comment
  POM126710  Trifolium microcephalum R. L. Pendleton 1907-4-20 611 San Mateo Lake Merced. 30 Comment
  RSA46809  Trifolium microcephalum Doris K. Kildale 1930-6-19 8009 San Mateo 1.5 miles north of La Honda. Comment
  SJSU15436  Trifolium microdon Toni Corelli 2010-5-13 619 San Mateo Pedro Point Headlands, Pacifica, CA, along South Ridge Trail 180 Comment
  UCSC006035  Trifolium microdon Randall Morgan 1996-5-24 2965 San Mateo Pacifica, San Pedro Mtn. Comment
  SEINET5628487 Image available Trifolium olivaceum Unknown 1907-1 8554 San Mateo Back of San Mateo Comment
  JROH2346  Trifolium subterraneum John Hunter Thomas 1980-4-10 19873 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2351  Trifolium subterraneum John Hunter Thomas 1983-4-3 21312 San Mateo Jasper Ridge Biological Preserve, Stanford University; roadside near Searsville Lab Comment
  JROH2358  Trifolium subterraneum John Hunter Thomas 1986-6-3 24076 San Mateo Jasper Ridge Biological Preserve, Stanford University; old beach Comment
  JROH2367  Trifolium subterraneum John Hunter Thomas 1990-4-7 24802 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH2349  Trifolium subterraneum John Hunter Thomas 1982-5-18 20936 San Mateo Jasper Ridge Biological Preserve, Stanford University; old racing oval Comment
  SEINET10577426  Trifolium tridentatum var. tridentatum Charles F. Baker 1903-4-8 Baker 3011 San Mateo San Andreas Lake Comment
  HSC1863  Trifolium variegatum J. Wendell Howe 1930-4-11 San Mateo Menlo Park Comment
  JROH2381  Trifolium variegatum John H. Thomas 1971-4-10 15762 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2404  Trifolium willdenovii John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU656  Trifolium willdenovii A. W. Jacobs 1941-4-20 San Mateo Jasper Ridge above Searsville L Comment
  UC74993  Trifolium willdenovii C. F. B. 1902-4-4 445 San Mateo Crystal Springs Lake Comment
  JEPS66103  Trifolium wormskioldii William S. Cooper 1919-7-22 205 San Mateo Ano Nuevo Pt Comment
  SD38499  Triglochin scilloides Delzie Demaree 1932-5-30 9189 San Mateo Lake Los Francos Woods. Comment
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Nov 1 2021
  JROH4724  Trillium chloropetalum John H. Thomas 1971-4-3 15747 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  SJSU15439  Trillium chloropetalum Toni Corelli 2009-3-10 426 San Mateo Gazos Creek Road, San Mateo Coast Comment
  UC1134685  Trillium chloropetalum H. S. Yates 1935-2-3 5001 San Mateo 2 mi. s. San Gregorio; Santa Cruz Quad. Comment
  UC1206466  Trillium chloropetalum Le Roy Abrams 1902-4-13 2331 San Mateo Crystal Springs Lake Comment
  UC74959  Trillium chloropetalum C. F. Baker 1902-3-30 431 San Mateo Crystal Springs Lake Comment
  CDA39377  Trillium chloropetalum A. C. Browne 1950-3-27 72 San Mateo Jasper Ridge. 0 Comment
  CAS-BOT-BC521008  Trillium chloropetalum var. chloropetalum James McMurphy 1902-3-22 s. n. San Mateo Near Portola Comment
  RSA15271  Trillium chloropetalum var. chloropetalum Carl B. Wolf 1927-3-6 236 San Mateo Los Trancos Creek, 2 miles back of Stanford University. Comment
  CAS-BOT-BC521060  Trillium chloropetalum var. giganteum David D. Keck 1932-3-6 1394 San Mateo La Honda road above Searsville Lake, Santa Cruz Mountains Comment
  CAS-BOT-BC521064  Trillium chloropetalum var. giganteum Alice Eastwood 1916-3-1 s.n. San Mateo San Mateo Comment
  RSA378200  Trillium chloropetalum var. giganteum L. J. Clemments s.n. San Mateo San Mateo Comment
  JROH1648  Triodanis biflora H. L. Mason 1921-6-4 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS100825  Triphysaria eriantha subsp. rosea Dean W. Taylor 2000-6-12 17463 San Mateo Highway 1 at junction Pescadero Road, Pescadero State beach 6 Comment
  UC27279  Triphysaria eriantha subsp. rosea Harley P. Chandler 1901-3-15 793 San Mateo Colma; Region of San Francisco Bay, Colma Comment
  UC27282  Triphysaria eriantha subsp. rosea W. L. Jepson 1891-4-4 San Mateo San Bruno Hills Comment
  CAS-BOT-BC238561  Triphysaria floribunda L. S. Rose 1927-5-1 s.n. San Mateo San Mateo Comment
  CAS-BOT-BC238569  Triphysaria floribunda L. R. A. 1902-4-13 2321 San Mateo Lake San Andreas Comment
  CAS-BOT-BC238572  Triphysaria floribunda C. F. B. 1902-3-22 346 San Mateo South San Francisco Comment
  JROH4136  Triphysaria pusilla John H. Thomas 1966-4-22 11572 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
  JROH4139  Triphysaria pusilla John H. Thomas 1974-4-13 17154 San Mateo Jasper Ridge Biological Preserve, Stanford University; Westridge end of ridge Comment
  JROH5468  Trisetum canescens John Rawlings 2013-4-16 1131 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along the Escobar Gate fence line about 100 m east of the gate. 149 Comment
  SEINET182864 Image available Triteleia hyacinthina John Campbell 1925-4-12 San Mateo Burlingame Comment
  CAS-BOT-BC526106  Triteleia ixioides subsp. ixioides Eric Walther 1919-6-9 s.n. San Mateo Woodside Comment
  SJSU9940  Triteleia ixioides subsp. ixioides L. S. Chan 1955-6-4 117 San Mateo Kings Mt Rd, 1.5 mi W of Woodside, E slope Santa Cruz Mts 243 Comment
  CAS-BOT-BC526362  Triteleia laxa J. H. Thomas 1954-6-11 4291 San Mateo About 1 mile north of Pigeon Point 30 Comment
  JROH4744  Triteleia laxa John H. Thomas 1963-5-12 10080 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC200487  Triticum aestivum Phillip C. Wheeler 1965-6-19 s.n. San Mateo Brisbane Lagoon Comment
  CAS-BOT-BC74058  Turritis glabra Elizabeth McClintock; David Schooly; Kim Marcus 1975-4-13 s.n. San Mateo San Bruno Mountain. Above Hillside Boulevard. South San Francisco. Comment
  CAS-BOT-BC74057  Turritis glabra Elizabeth McClintock; Arthur Menzies 1963-2-16 s.n. San Mateo San Bruno Mountain. Below top of mountain near radio station. Comment
  CDA20602  Ulex europaeus J. Beall 2005-10-27 PDR 1359199 San Mateo San Francisco Bay Area; 0.25 mi Nof Westline and Skyline, Daly City. 0 Comment
  POM349815  Ulex europaeus Glenn A. Gorelick 1967-4-20 s.n. San Mateo Overlooking Daly City, near San Francisco. Comment
  SJSU2612  Ulex europaeus D. M. Dobrinen 1966-4-6 27 San Mateo N end Crystal Springs Lakes Comment
  UCSB26557  Ulex europaeus Havlik, Neil 1969-3-27 San Mateo North side of San Bruno Mountain, near the junction of Radio Road and Guadalupe Road Comment
  JROH4219  Ulmus minor John Hunter Thomas 1977-6-16 18804 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS40102  Umbellularia californica W. L. Jepson 1922-3-19 9541 San Mateo Millbrae 182 Comment
  JROH137  Umbellularia californica John H. Thomas 1968-2-11 14143 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA15629  Umbellularia californica C. B. Wolf 1928-2-11 1471 San Mateo East base of Kings Mt. road. Comment
  RSA681685  Umbellularia californica Deb Annuschka 1989-2-24 S.N. San Mateo Yerba Buena Herbarium, Woodside. On slope next to path behind potting barn. Comment
  UC750643  Umbellularia californica Lewis S. Rose 1946-3-9 46017 San Mateo San Mateo Canyon 91 Comment
  CAS-BOT-BC382768  Uropappus lindleyi Margaret A. Barry 1937-5-15 132 a San Mateo Coal Mine Ridge Comment
  JROH1295  Uropappus lindleyi John Hunter Thomas 1988-5-3 24443 San Mateo Jasper Ridge Biological Preserve, Stanford University; powerline draw 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
  POM204437  Urtica dioica subsp. holosericea E. C. Sutliffe 1933-7-12 s.n. San Mateo Between the Skyline Blvd and La Honda on the Alpine Creek Road. Comment
  CAS-BOT-BC238185  Vaccinium cespitosum Peter W. Fritsch; Doug Allshouse 2012-10-19 1950 San Mateo San Bruno Mountain County Park, west end of San Bruno Mountain, at Kamchatka Point just below the Ridge Trail 318 Comment
  CAS-BOT-BC199352  Vaccinium ovatum Rose M. Higley 1907-4-27 141 San Mateo La Honda Comment
  CDA28793  Vaccinium ovatum D. G. Kelch 2009-6-9 9 .393 San Mateo Santa Cruz Mtns.; King s Mtn. Rd. N of Summit Springs. Comment
  HSC98190  Vaccinium ovatum L. S. Rose 1969-3-27 69007 San Mateo Kings Mountain Road, 4 mi. W of Woodside 305 Comment
  JEPS85569  Vaccinium ovatum Craig Dremann 1986-8-30 329 San Mateo entrance to Memorial Park, off Pescadero road Loma Mar Comment
  UC634722  Vaccinium ovatum Herbert L. Mason 1927-4-23 3671 San Mateo La Honda Comment
  CAS-BOT-BC76138  Vancouveria planipetala A. D. E. Elmer 1903-5-1 4922 San Mateo Iverson's Place. Comment
  CAS-BOT-BC76143  Vancouveria planipetala Miss A. M. Patterson 1906-4-27 s.n. San Mateo Santa Cruz Mountain Peninsula. King's Mountain. Comment
  CDA39072  Verbascum virgatum Joseph Hannen 2013-7-15 PDR# 410 P06096014 San Mateo Redwood City; Edgewood Road. 0 Comment
  RSA181222  Verbena lasiostachys var. lasiostachys John H. Thomas 1964-6-19 10428 San Mateo 0.9 miles S of Tunitas Creek near Coast Hwy, 61 Comment
  CAS-BOT-BC157693  Veronica americana Peter Rubtzoff; Roman Gankin 1975-5-21 7971 San Mateo San Bruno Mountain. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  UCD163588  Veronica americana Peter Rubtzoff 1980-8-4 9560 San Mateo San Mateo: San Bruno Mountain. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction, westernmost part of the area on slope across fence. Comment
  JROH2425  Vicia americana subsp. americana Toni Corelli 2010-4-29 365 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 5 uphill 86 Comment
  UCD108698  Vicia americana var. americana A. A. Heller 1907-4-20 8449 San Mateo Near Lake Merced. Comment
  SD2652  Vicia americana var. truncata Unknown Jun 1925 San Mateo Near La Honda Comment
  UC618588  Vicia benghalensis John Thomas Howell 1938-6-4 13886 San Mateo Burlingame Comment
  SD2655  Vicia cracca Ulysses S. Grant IV 1925-6-4 San Mateo Burlingame Comment
  JROH2445  Vicia sativa subsp. sativa John H. Thomas 1978-5-23 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2450  Vicia sativa subsp. sativa John Hunter Thomas 1983-4-3 21311 San Mateo Jasper Ridge Biological Preserve, Stanford University; old beach area Comment
  JROH2442  Vicia sativa subsp. sativa John H. Thomas 1973-6-10 16825 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5827  Vicia tetrasperma Ann Lambrecht 2012-6-2 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; ~ 50 meters north of Preserve main gate between roads H and C (Sector 29 E1 or E2) 118 Comment
  UC729850  Vicia villosa subsp. varia Carl B. Wolf 1929-5-27 3737 San Mateo back of Stanford University (Los Trancos Creek); Los Trancos Creek Comment
  JROH425  Vinca major John Hunter Thomas 1985-5-2 23577 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD121405  Vinca major C. M. Rivera 1969-5-24 17 San Mateo ca. 1 1/2 miles south of State Highway 35 intersection with Skyline Blvd., Belmont. Comment
  CAS-BOT-BC264038  Viola adunca Rimo Bacigalupi 1922-3-27 s.n. San Mateo Road between Whitehouse Creek and Gazos Creek Comment
  CAS-BOT-BC264043  Viola adunca Catherine A. Toschi 1963-3-17 63 :70 San Mateo San Bruno Mountain. NE slope below radio station Comment
  CAS-BOT-BC264046  Viola adunca Alice Eastwood 1914-3-12 3754 San Mateo San Bruno Hills Comment
  JEPS50208  Viola adunca W. I. Follett 1934-2-18 1 San Mateo 4 mi n of Pigeon Point (from a point beside the main highway) Comment
  UC483497  Viola adunca Ira L. Wiggins 1931-2-21 5091 a San Mateo Pescadero Beach Comment
  SEINET6176297  Viola adunca Lewis S. Rose 1951-3-7 5100 San Mateo San Bruno Hills.; 0 244 Comment
  POM135230  Viola glabella A. D. E. Elmer 1900-04 2263 San Mateo Kings Mtn. Comment
  SEINET9251817  Viola glabella R. L. Oliver 1976-4-18 s.n. San Mateo La Honda, along HWY 84. Comment
  CAS-BOT-BC389693  Viola ocellata Mary K. Wicksten 1971-6-17 198 San Mateo Huddart Park Comment
  HSC23943  Viola ocellata Mary Katherine Wicksten 1971-6-17 48 San Mateo Huddart Park; above Oak Area Comment
  UCD110695  Viola ocellata W. D. McLellan 1954-5-17 58 San Mateo Memorial Park near Pescadero. Comment
  HSC21838  Viola pedunculata L. S. Rose 1965-3-25 65009 San Mateo San Bruno Mtns., N end 122 Comment
  OBI78517  Viola pedunculata Lewis S. Rose 1965-3-25 65009 San Mateo San Bruno Mts N end 122 Comment
  RSA412721  Viola pedunculata L. S. Rose 1941-3-20 41047 San Mateo Milbrae. 122 Comment
  UC19358  Viola sempervirens Kellogg 1870-5-19 San Mateo San Gregoria Creek Comment
  RSA15293  Viola sempervirens Carl B. Wolf 1927-4-3 262 San Mateo 1 mile above La Honda. Santa Cruz Mountains. Comment
  CAS-BOT-BC199853  Vulpia bromoides J. H. Thomas 1954-6-11 4277 San Mateo 0.8 miles north of Pescadero Creek on coastal bluffs 60 Comment
  RSA790195  Vulpia bromoides Peter Rubtzoff 1975-5-21 7967 San Mateo San Bruno Mountain. 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment