Search Results — 2000 specimen records retrieved (1318 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
  UCSC004916  Abronia latifolia Monica Larenas 1985-6-1 20 San Mateo Hwy 1, 0.5 mi S of Pescadero State Beach Comment
  SJSU948  Acacia longifolia C. P. Hoyt 1948-2-28 San Mateo residence, San Mateo Comment
  UC137274  Acaena pinnatifida var. californica C. F. Baker 1902-5-1 688 San Mateo Crystal Springs Lake Comment
  UC729637  Acanthomintha duttonii Carl B. Wolf 1929-5-24 3723 San Mateo above Upper Emerald Lake (back of Redwood City) Comment
  RSA232565  Acanthomintha ilicifolia A. D. E. Elmer 1903-05 4538 San Mateo Crystal Springs Lake. Comment
Read comments Jul 30 2017
  POM118224  Acanthomintha obovata subsp. duttonii Harry A. Dutton, Miss H. A. Walker 1915-5-26 3819 San Mateo Near the Menlo Golf Club. Comment
  CAS-BOT-BC333294  Acer macrophyllum Josephine D. Randall 1906-3-1 1 San Mateo Santa Cruz Peninsula, San Francisquito Creek near Stanford Univ. Comment
  JROH158  Acer macrophyllum John H. Thomas 1975-6-5 17948 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below Searsville Dam 91 Comment
  JROH165  Acer macrophyllum John Hunter Thomas 1992-7-24 25381 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek near the new bridge 87 Comment
  SEINET12234176  Acer negundo J. H. Thomas 1959-1 7669 San Mateo Jasper Ridge about 5 mi SW of Palo Alto 91 Comment
  CAS-BOT-BC336919  Acer negundo var. californicum C. F. Baker 1902-4-6 472 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC21584  Achillea millefolium Fred Hemphill 1973-5-6 760 San Mateo San Carlos. North of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC21587  Achillea millefolium Fred Hemphill 1973-4-8 601 San Mateo San Carlos. North of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC21597  Achillea millefolium John H. Thomas 1961-5-7 9311 San Mateo San Bruno Mountain in northern part of county 396 Comment
  JROH459  Achyrachaena mollis John H. Thomas 1963-5-12 10079 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH460  Achyrachaena mollis John H. Thomas 1966-4-24 11583 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH472  Achyrachaena mollis John Hunter Thomas 1983-4-21 21641 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2055  Acmispon americanus var. americanus John H. Thomas 1971-5-30 15962 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2059  Acmispon americanus var. americanus John H. Thomas 1974-10-26 17632 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
  JROH2063  Acmispon americanus var. americanus John Hunter Thomas 1983-6-29 22720 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2111  Acmispon strigosus John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS127788  Acmispon wrangelianus Adam C. Schneider with C. Matt Guilliams 2013-4-7 59 San Mateo Along dirt road running parallel to overhead power transmission lines. GPS coordinates approximate. Comment
  JROH2087  Acmispon wrangelianus John H. Thomas 1957-4-16 6663 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2100  Acmispon wrangelianus John H. Thomas 1975-5-2 17859 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET5537616  Aconitum columbianum H. S. Gentry 1931-1 76 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  CAS-BOT-BC391673  Actaea rubra A. D. E. Elmer 1903-5-1 4703 San Mateo Butano Creek Comment
  CAS-BOT-BC391675  Actaea rubra W. R. Dudley 1904-4-23 s.n. San Mateo Santa Cruz Mountain Peninsula. By lower part Goat Ranch Creek Comment
  RSA85065  Adenostoma fasciculatum var. fasciculatum D. D. Keck 1932-5-25 1781 San Mateo Hills 2 miles W of Belmont 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-BC65670  Adiantum jordanii Ira L. Wiggins 1928-4-14 2919 San Mateo Alpine Creek Road 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
  JROH2705  Aesculus californica Daniel Cohen 1953-4-11 27 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA14803  Aesculus californica Forrest Shreve 1934-6-24 6755 San Mateo Jasper Ridge, W of Palo Alto. Comment
Read comments Sep 19 2011
  RSA18495  Agoseris grandiflora C. B. Wolf 1927-7-14 625 San Mateo 1 mile south of summit of Kings Mt on Skyline Drive. 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
  RSA18312  Agoseris heterophylla var. heterophylla C. B. Wolf 1927-7-14 599 San Mateo Summit of Kings Mountain Rd. Comment
  CAS-BOT-BC15226  Agoseris hirsuta W. R. Dudley 1896-4-17 s.n. San Mateo Near Pebble Beach, Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC15235  Agoseris hirsuta David D. Keck 1932-5-6 1461 San Mateo near Belmont Comment
  CAS-BOT-BC15231  Agoseris hirsuta W. R. Dudley 1905-6-19 s.n. San Mateo Alpine School House, Black Mountain Comment
  RSA116649  Agoseris hirsuta W. R. Dudley 1906-6-11 s.n. San Mateo In field E of Kings Mt. House Comment
  RSA416446  Agoseris hirsuta Edith A. Purer 1933-8-25 5515 San Mateo Sand dunes, near Skyline Drive Comment
  SEINET7295889 Image available Agrostis alba Malcolm A. Nobs, S. Galen Smith 1949-1 1550 San Mateo Marshes at Sharp Park Comment
  CAS-BOT-BC139461  Agrostis hallii Margaret A. Barry 1937-6-22 177 San Mateo Coal Mine Ridge. Comment
  JROH4794  Agrostis hallii John Rawlings 2011-6-21 1085 San Mateo Jasper Ridge Biological Preserve, Stanford University; adjacent to Horse Trail in opening in chaparral a few hundred feet from Escobar Road 125 Comment
  CAS-BOT-BC138952  Agrostis pallens Phillip Wheeler 1965-6-8 s.n. San Mateo San Bruno Mountain. Quarry Road. Comment
  CAS-BOT-BC138953  Agrostis pallens Phillip Wheeler 1965-6-19 s.n. San Mateo San Bruno Mountain. Canyon east of quarry. Comment
  JROH4790  Agrostis pallens John Rawlings 2005-5-25 1039 San Mateo Jasper Ridge Biological Preserve, Stanford University. Just inside Escobar gate south of Road F and east of the gate near the fenceline. 160 Comment
  CDA38392  Agrostis viridis Wm. Davis 1957-8-16 s.n. San Mateo Nursery; Millbrae. 0 Comment
  JROH4156  Ailanthus altissima John H. Thomas 1980-11-18 20172 San Mateo Jasper Ridge Biological Preserve, Stanford University 98 Comment
  JROH4829  Aira caryophyllea John H. Thomas 1984-5-3 23333 San Mateo Jasper Ridge Biological Preserve, Stanford University 159 Comment
  CAS-BOT-BC138236  Aira caryophyllea var. caryophyllea Phillip C. Wheeler 1965-5-17 s.n. San Mateo San Bruno Mountain. In Crocker Hills near Cow Palace. Comment
  CAS-BOT-BC138241  Aira caryophyllea var. caryophyllea H. L. Mason 1921-5-29 s.n. San Mateo Roadside near Arroyo de los Frijoles. Comment
  CAS-BOT-BC447499  Allium amplectens Le Roy Abrams 1902-5-8 2431 San Mateo Standford University Comment
  CAS-BOT-BC467291  Allium dichlamydeum Walter Knight; Irja Knight 1964-5-30 603 San Mateo North facing slope, Colma Canyon Comment
  SJSU6178  Allium dichlamydeum S. H. Casey 1969-5-18 246 San Mateo near Fern Rock, San Bruno Mt Comment
  CAS-BOT-BC469034  Allium falcifolium Robert F. Hoover 1941-4-23 4907 San Mateo Redwood City Hills Comment
  JROH4555  Allium lacunosum var. lacunosum H. J. Dengler 1972-4-23 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. S.W. of '"road" on serpentine, and E. of Mimulus Gully, opp. oaks on sep., top of J.R. Comment
  UCD138563  Allium neapolitanum H. Frederick 1972-4-1 s.n. San Mateo Bernal Ave., Burlingame. Comment
  CAS-BOT-BC132025  Allium peninsulare var. franciscanum Paul Arnaud 1941-4-19 s.n. San Mateo Redwood City - Hills - after Hesler farm entrance Comment
  CAS-BOT-BC132030  Allium peninsulare var. franciscanum L. R. A. 1902-5-4 2411 San Mateo Woodside Comment
  CAS-BOT-BC475449  Allium serra Ned Cahill 1974-5-13 246 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC475496  Allium triquetrum P. C. Wheeler 1966-3-27 s.n. San Mateo Crocker Industrial Park, San Bruno Mountain Comment
  CAS-BOT-BC170159  Alnus rhombifolia James McMurphy 1902-5-11 s.n. San Mateo San Francisquito Creek, near Stanford University Comment
  JROH1327  Alnus rhombifolia John H. Thomas 1971-5-30 15981 San Mateo Jasper Ridge Biological Preserve, Stanford University; along creek below dam Comment
  LA206319  Alopecurus saccatus D. Keck; 1932-5-6 1472 San Mateo Burlingame, N city limits Comment
  JROH177  Amaranthus albus Ann Lambrecht, Carol Zabel 2006-7-26 25 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  CDA34348  Amaranthus retroflexus E. Finley 1990-10-25 s.n. San Mateo Redwood City, Jefferson St. at Lonesome Pine. 0 Comment
  CAS-BOT-BC44932  Ambrosia chamissonis John H. Thomas 1963-7-19 10187 San Mateo Ano Nuevo Island, about 1/2 miles off shore and above 20 miles NW of Santa Cruz Comment
  SD39990  Ambrosia chamissonis Edith A. Purer 1932-7-18 4011 San Mateo Half Moon Bay on sand dunes Comment
  UC579657  Ambrosia chamissonis N. K. Carlson 1935-7-5 120 San Mateo s of Pescadero; Santa Cruz Quadrangle, Bolsa Point 0 Comment
  CAS-BOT-BC44928  Ambrosia chamissonis Lewis S. Rose 1956-8-13 56144 San Mateo Princeton sand dunes 6 Comment
  POM87791  Ambrosia psilostachya L. R. Abrams 1902-9-21 2992 San Mateo Crystal Lake between the Mts. Comment
  CAS-BOT-BC55527  Ambrosia psilostachya W. R. Dudley 1902-9-21 s.n. San Mateo On causeway over Crystal Spring Reservoir Comment
  RSA18297  Amelanchier pallida Carl B. Wolf 1927-5-31 419 San Mateo Searsville Lake Comment
  CAS-BOT-BC136826  Amelanchier utahensis John H. Thomas 1961-5-7 9278 San Mateo San Bruno Mountain in northern part of county 396 Comment
  JROH3597  Amelanchier utahensis Ruth Porter 1999-5-10 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; between lake and fire road E Comment
  POM287420  Amsinckia intermedia Lyman Benson 1935-4-27 6422 San Mateo La Honda Road, Santa Cruz Mts, east of Skyline Blvd., San Francisco Bay watershed. 457 Comment
  CAS-BOT-BC222455  Amsinckia lunaris Alice Eastwood 1917-5-12 s.n. San Mateo San Bruno Hills Comment
  CHSC57069  Amsinckia spectabilis var. spectabilis Steven Triano 1988-5-24 213 San Mateo Located ca 750 ft s of Hwy. 1 and 2.9 mi s of Pigeon Point Light Station. 24 Comment
  UCD15059  Anagallis arvensis A. Bennett 1977-5-29 40 San Mateo California, San Mateo Co.; 0.7 miles north of Hayne Road intersection along Highway 35 (Burlingane); 60 Comment
  CAS-BOT-BC45187  Anaphalis margaritacea Walter Knight; Irja Knight 1964-3-15 576 San Mateo San Bruno Mountain, Colusa Canyon Comment
  UCSC004914  Anaphalis margaritacea Monica Larenas 1985-6-1 18 San Mateo Hwy 92, near summit Comment
  CAS-BOT-BC391923  Anemone grayi Mrs. H. M. Mitchell 1932-3-31 s.n. San Mateo Skyline Boulevard Comment
  CAS-BOT-BC221459  Angelica hendersonii Alice Eastwood 1914-10-1 s.n. San Mateo Mussel Rock Comment
  UC140427  Angelica tomentosa var. tomentosa E. L. Greene 1903-6-30 3354 San Mateo Pacific Coast, Crystal Springs Lake Crystal Springs Lake; Pacific Coast, Crystal Springs Lake Comment
  POM132666  Angelica tomentosa var. tomentosa A. D. E. Elmer 1903-07 4998 San Mateo Crystal Springs Lake, southern end Comment
  CAS-BOT-BC273181  Anisocarpus madioides Josephine D. Randall 1907-6-29 91 San Mateo Santa Cruz Peninsula. Portola Valley Comment
  CAS-BOT-BC280639  Anthoxanthum occidentale L. R. A. 1902-1-7 2258 San Mateo Kings Mountain Comment
  CAS-BOT-BC454477  Aphanes occidentalis John H. Thomas 1964-4-30 10371 San Mateo San Bruno Mountain in Northern part of county. 396 Comment
  CAS-BOT-BC454478  Aphanes occidentalis John H. Thomas 1961-5-7 9269 San Mateo San Bruno Mountain in Northern part of county. 396 Comment
  JROH3607  Aphanes occidentalis John Hunter Thomas 1981-4-5 20266 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  CAS-BOT-BC454490  Aphanes occidentalis Margaret A. Barry 1937-5-8 68 San Mateo Exposed Slopes of Coal Mine Ridge Comment
  CAS-BOT-BC435124  Aptenia cordifolia J. H. Thomas 1964-4-30 10336 San Mateo Near intersection of El Camino Real and F St., Colma. Comment
  CAS-BOT-BC405856  Aquilegia formosa George Oberlander 1949-4-30 66 San Mateo Pilarcitos Canyon Comment
  CAS-BOT-BC405895  Aquilegia formosa Walter Knight; Irja Knight 1965-4-4 1009 San Mateo Bitter-cherry Ravine on north facing slope in chaparral. Comment
  CHSC1435  Aquilegia formosa var. truncata J. Koopman 1929-5-11 San Mateo Moss Beach. Comment
  CAS-BOT-BC17324  Arabis blepharophylla W. R. Dudley 1894-4-1 s.n. San Mateo Santa Cruz Peninsula. San Bruno Hills. Comment
  CAS-BOT-BC17333  Arabis blepharophylla John H. Thomas 1961-5-7 9314 San Mateo San Bruno Mountains in northern part of county. 396 Comment
  CAS-BOT-BC17339  Arabis blepharophylla L. Constance; R. Bacigalupi; C. R. Bell 1951-3-25 3369 San Mateo Southeast side of Colma Canyon. 60 Comment
  HSC6552  Arabis blepharophylla Lincoln Constance, Rimo Bacigalupi, C. R. Bell 1951-3-25 3369 San Mateo SE side of Colma Canyon 61 Comment
  UC1300996  Arabis blepharophylla Helen K. Sharsmith 1963-2-16 5137 San Mateo above Daly City (lower San Bruno Mountain); San Francisco Bay Region, San Bruno Mountain 106 Comment
  HSC23993  Arbutus menziesii Mary Katherine Wicksten 1971-7-1 145 San Mateo Huddart Park. Dry slope by park office Comment
  JROH1917  Arbutus menziesii John H. Thomas 1967-4-20 12711 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  CAS-BOT-BC24172  Arctostaphylos andersonii John H. Thomas 1968-12-18 14876 San Mateo Along Skyline Blvd. between Gulch Road and la Honda Rd. 457 Comment
  CAS-BOT-BC24200  Arctostaphylos andersonii W. R. Dudley 1906-5-8 s.n. San Mateo Near Crystal Springs Lake, Santa Cruz mts. Comment
  CAS-BOT-BC25317  Arctostaphylos andersonii Carl B. Wolf 1930-11-6 1811 San Mateo 2 miles N of the summit of Kings Mt., Skyline Blvd. 640 Comment
  UCD50392  Arctostaphylos andersonii Robert E. Preston 2001-5-29 1533 San Mateo Ca. 9 mi nnw of Boulder Creek. 377 Comment
  UCD50393  Arctostaphylos andersonii Robert E. Preston 2001-6-11 1540 San Mateo Butano Ridge. 658 Comment
  SEINET11988250  Arctostaphylos andersonii Unknown 1959-1 323 San Mateo 1.2 mi from junction of CA 5 on Kings Mt. Road Comment
  SEINET11987334  Arctostaphylos andersonii var. imbricata J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4215 San Mateo from Strybing Arboretum, Golden Gate Park, San Francisco, from San Bruno Mountain Comment
  SEINET11989287  Arctostaphylos andersonii var. imbricata W. Knight, Knight, I.; McClintock, E. 1982-1 4445 San Mateo Kamchatka Point, San Bruno Mt Comment
  JROH1922  Arctostaphylos canescens subsp. canescens L. R. Abrams 1910-8-14 4990 San Mateo Jasper Ridge, near Stanford University Comment
  CAS-BOT-BC23503  Arctostaphylos crustacea Roxana S. Ferris 1918-3-27 738 San Mateo La Honda Road Comment
  CAS-BOT-BC23509  Arctostaphylos crustacea L. S. Rose 1942-3-30 42007 San Mateo Rocky brushy hills, Kings Mountain 600 Comment
  CAS-BOT-BC23511  Arctostaphylos crustacea C. F. Baker 1902-3-18 327 San Mateo King's Mountain Comment
  CAS-BOT-BC23515  Arctostaphylos crustacea John Thomas Howell 1924-2-23 261 San Mateo King Mt. Comment
  JROH1931  Arctostaphylos crustacea subsp. crustacea John H. Thomas 1970-7-5 15665 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5766  Arctostaphylos crustacea subsp. crustacea John Rawlings 2016-11-14 1952 San Mateo Jasper Ridge Biological Preserve, Stanford University; about 120 yards north of Road F opposite its intersection with Trail 17 to Goya Gate 178 Comment
  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
  UC876560  Arctostaphylos crustacea subsp. crustacea Myrtle Paulson 1914-10-24 San Mateo Jasper Ridge Santa, Cruz Mountain Peninsula. Comment
  RSA681637  Arctostaphylos densiflora Annuschka Deb 1989-1-27 5 San Mateo Woodside. Comment
  SEINET11988205  Arctostaphylos glandulosa W. Knight, Raiche, R. 1982-1 4420 San Mateo San Bruno Mountain, Buckeye Canyon on Oak Ridge 102 Comment
  CAS-BOT-BC24727  Arctostaphylos glandulosa subsp. glandulosa Elizabeth McClintock; Paul Reedberg 1988-4-5 s.n. San Mateo Canyon e. of Buckeye Canyon, on a hogback ridge. Comment
  CAS-BOT-BC24496  Arctostaphylos imbricata Peter H. Raven 1950-2-25 1383 San Mateo W. end of ridge behind NBC station, San Bruno Mtns. 457 Comment
  RSA128344  Arctostaphylos imbricata P. H. Raven 1951-2-18 2733 San Mateo summit ridge of the San Bruno Mountains, topotype, endemic Comment
  RSA195588  Arctostaphylos imbricata John H. Thomas 1961-5-7 9319 San Mateo San Bruno Mountain in northern part of county. 305 Comment
  RSA51443  Arctostaphylos imbricata P. H. Raven 1950-2-25 1383 San Mateo W end of ridge behind NBC Television Station, San Bruno Mountains 457 Comment
  JEPS88613  Arctostaphylos montaraensis J. Roof 1966-3-27 San Mateo Pacific Ridge San Bruno Mt. 358 Comment
  JEPS91232  Arctostaphylos montaraensis Dean W. Taylor 1992-3-19 12333 San Mateo in saddle between San Pedro Mountain and North Peak Montara Mountain; ; Montara Mountain, in saddle between San Pedro Mountain and North Peak, reached via old paved road from San Pedro Valley, along ridge at BM 924 274 Comment
  UC21805  Arctostaphylos montaraensis C. T. Blake 1893-5-27 San Mateo Pilarcitos Reservoir Comment
  UCD51754  Arctostaphylos montaraensis Roman Gankin 1966-5-17 740 B San Mateo On east-facing slopes of Montara Mountain. Comment
  SEINET11988204  Arctostaphylos montaraensis W. Knight, Raiche, R. 1982-1 4415 San Mateo Mantara Mountain 305 Comment
  SEINET11989280  Arctostaphylos montaraensis R. Gankin, Hildreth, W. R. 1966-1 738 San Mateo Montara Mountain Comment
  CAS-BOT-BC39823  Arctostaphylos pacifica Walter Knight; Irja Knight 1981-3-1 4049 San Mateo From Tilden Botanic Garden, Berkeley. Originally collected from San Bruno Mountain. Comment
  UCD51971  Arctostaphylos pacifica Robert F. Thorne; P. C. Everett 1963-6-9 32223 San Mateo On top of San Bruno Mt. near TV tower. Comment
  CAS-BOT-BC44704  Arctostaphylos regismontana Mrs. E. C. Sutliffe 1934-2-2 s.n. San Mateo Kings Mountain Comment
  CAS-BOT-BC44740  Arctostaphylos regismontana L. R. Abrams 1902-1-12 2254 San Mateo Kings Mountain Comment
  CAS-BOT-BC44750  Arctostaphylos regismontana Eric Walther 1919-8-1 s.n. San Mateo Woodside Comment
  RSA40324  Arctostaphylos regismontana L. S. Rose 1947-3-11 47028 San Mateo Kings Mountain, Type Locality. 609 Comment
  RSA636750  Arctostaphylos regismontana Jon E. Keeley, Melanie Baer Keeley 1993-9-8 24636 San Mateo NW side of Montara Mtn. 150 Comment
  UC1120828  Arctostaphylos regismontana A. E. Wieslander and B. O. Schreiber 1940-3-5 7 San Mateo road from Woodside to King's Mt.; Santa Cruz Quadrangle 457 Comment
  UC1120837  Arctostaphylos regismontana A. E. Wieslander and B. O. Schreiber 1940-3-5 8 San Mateo road from Woodside to King's Mt.; Santa Cruz Quadrangle 487 Comment
  JEPS90463  Arctostaphylos tomentosa subsp. crinita Dean W. Taylor 1994-7-5 14744 San Mateo ca. 2 mi se Pescadero (far western end of ridge, on private road that leaves Cloverdale Rd. 0.3 mi s of Pescadero High School); Santa Cruz Mountains, Butano Ridge 228 Comment
  JEPS48594  Arctostaphylos tomentosa subsp. crustacea James G. Daly 1934-1 543 San Mateo San Gregorio watershed Santa Cruz Mts. (sw San Mateo Co.) Comment
  RSA636839  Arctostaphylos tomentosa subsp. crustacea Jon E. Keeley, Melanie Baer-Keeley 1993-9-8 24649 San Mateo NW side of Montara Mtn. 150 Comment
  UC762228  Arctostaphylos tomentosa subsp. crustacea R. F. Hoover 1941-2-12 4763 San Mateo nw Saratoga Summit Comment
  SEINET11989286  Arctostaphylos tomentosa var. tomentosiformis W. Knight, Knight, I.; McClintock, E. 1982-1 4448 San Mateo San Pedro County Park, Pacifica Comment
  SBBG83967  Arctostaphylos uva-ursi R. Gankin 1959-3-25 328 San Mateo San Bruno Mtn, S San Francisco, 0.25 mi E of KRON TV transmitter Comment
  RSA0077992  Arctostaphylos uva-ursi B. A. Stein 1981-2-22 422 San Mateo San Bruno Mountain, just E of sumit. 396 Comment
  SEINET11987302  Arctostaphylos uva-ursi var. coactilis J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4208 San Mateo Strybing Arboretum, Golden Gate Park, San Francisco, orig. from upper Cable Ravine, San Bruno Mts Comment
  CAS-BOT-BC102179  Arctotheca Paul Reedberg 1988-4-27 s.n. San Mateo Adjacent to Camp Silverspot. San Bruno Mountains Comment
  CAS-BOT-BC401713  Argemone munita subsp. munita J. E. McClellan 1968-8-2 s.n. San Mateo Westerly side of highway 1 about 1/4 mile north from Cascade Ranch entrance, north of Ano Nuevo Pt., near highway post No. 5 M.3039 Comment
  CAS-BOT-BC520412  Armeria Daniel Cohen 1953-5-9 88 San Mateo Between San Gregorio and Pescadero Comment
  SEINET11929723  Armeria maritima L. K. Henry 1956-1 s.n. San Mateo along Pacific Ocean at Pigeon Point Lighthouse on Rt. 1 Comment
  JEPS26346  Armeria maritima subsp. californica Adele Lewis Grant 1917-5-6 940 San Mateo nr. Pescadero; Pebble Beach 3 Comment
  SD39619  Armeria maritima subsp. californica Edith A. Purer 1933-7-27 5358 San Mateo Pigeon Point. Comment
  UC1123303  Armeria maritima subsp. californica W. W. Akey 1935-5-28 24 San Mateo 1 1/2 mi n Bolsa POint; Santa Cruz Quadrangle Comment
  UC1537507  Armeria maritima subsp. californica Gordon H. True Jr. 1936-6-7 485 San Mateo 4 mi s Pescadero (top of ocean bluff) 15 Comment
  CAS-BOT-BC82515  Arnica discoidea Josephine D. Randall 1907-7-28 49 San Mateo [Iverson's] Iverson near Pescadero Creek Comment
  CAS-BOT-BC93937  Artemisia douglasiana Ira L. Wiggins 1975-8-5 22175 San Mateo Bed of San Francisquito Creek, ca 100 m above Pope Street bridge, San Mateao County side of Santa Clara-San Mateo Comment
  UCD56052  Arundo donax Malcolm A. Nobs; S. Galen Smith 1949-8-25 1574 San Mateo South of Rockway Beach. Comment
  UC6193  Asarum caudatum McLean Jun 1874 San Mateo Pescadero Comment
  JROH429  Asclepias fascicularis John H. Thomas 1973-6-10 16826 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC478065  Asteraceae H. A. Dutton 1900-5-6 s.n. San Mateo Santa Cruz Mountain Peninsula, Woodside Comment
  CAS-BOT-BC186753  Astragalus gambelianus Lois E. James 1946-4-16 1741 San Mateo Back of Redwood City. High Road off Woodside Road Comment
  JROH1995  Astragalus gambelianus John Hunter Thomas 1982-4-28 20876 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC186752  Astragalus gambelianus Lois E. James 1947-4-11 1758 San Mateo Hills back of Redwood City Comment
  CAS-BOT-BC186755  Astragalus gambelianus Lois E. James 1947-4-11 1758 San Mateo Hills back of Redwood City Comment
  UC903410  Astragalus gambelianus Lois E. James 1947-4-11 1757 San Mateo hills back of Redwood City back of Redwood City Comment
  UCD104824  Astragalus gambelianus Michael A. Vincent 1998-4-9 8203 San Mateo East side of Canada Road, ca. 200 yards southeast of its junction with Edgewood Road, just southwest of I-280, at Filoli Center. Comment
  JEPS54823  Astragalus pycnostachyus W. L. Jepson 1910-8-17 4158 San Mateo Tunitas Creek Comment
  CAS-BOT-BC193090  Astragalus pycnostachyus var. pycnostachyus C. F. B. 1902-10-1 1744 San Mateo Pillar Point Comment
  SBBG114453  Astragalus pycnostachyus var. pycnostachyus D. Wilken with E. Painter, M. Wetherwax 2000-7-29 15845 San Mateo edge of State Hwy 1, 0.6 km S of mouth of San Gregorio Crk 40 Comment
  UC499711  Atriplex hortensis L. R. Abrams 1932-8-22 13410 San Mateo Bayshore Highway near Redwood City; near Redwood City Comment
  CAS-BOT-BC172666  Atriplex lentiformis C. D. Duncan 1922-9-1 s.n. San Mateo Boncill Estate, Atherton Comment
  POM164809  Atriplex leucophylla E. B. Copeland 1903-6-5 3321 San Mateo Montara Point. Comment
  RSA478440  Atriplex rosea L. M. Booth 1932-10-29 2112 San Mateo S. San Francisco. Comment
  RSA17941  Avena barbata C. B. Wolf, Le Roy Abrams 1927-4-6 s.n. San Mateo So. of San Gregoris. Comment
  UCD143808  Avena brevis John Thomas Howell 1954-6-16 30003 San Mateo Ralston Ave. at 6th, Belmont. Comment
  JROH5754  Avena fatua J. C. Gaither 1982-4-18 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Sand Hill Road Gate, old motorcycle racetrack. Comment
  UCD56091  Avena strigosa T. C. Fuller 1971-6-10 19879 San Mateo 1.6 km east of San Gregorio. Comment
  CAS-BOT-BC98692  Baccharis douglasii Le Roy Abrams 1901-9-1 2225 San Mateo Menlo Park Comment
  JROH533  Baccharis glutinosa John H. Thomas 1968-5-31 12938 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR256527  Baccharis glutinosa Peter Rubtzoff 1976-10-5 8908 San Mateo San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 213 Comment
  POM350434  Baccharis pilularis L. S. Rose 1936-8-16 36712 San Mateo Granada 15 Comment
  RSA18342  Baccharis pilularis C. B. Wolf 1927-1-29 476 San Mateo Pebble Beach Comment
  CAS-BOT-BC16621  Barbarea orthoceras Fred Hemphill 1973-3-9 627 San Mateo San Carlos. Area north of Malabar Road and Melendy Drive. 207 Comment
  CAS-BOT-BC16625  Barbarea orthoceras Fred Hemphill 1973-3-17 712 San Mateo San Carlos. Area north of Malabar Road and Melendy Drive. 207 Comment
  CAS-BOT-BC16636  Barbarea orthoceras Phillip C. Wheeler 1965-4-27 s.n. San Mateo San Bruno Mountain. Sierra Point. Comment
  SD99578  Barbarea orthoceras Darley F. Howe 1968-4-14 San Mateo San Francisco Game Reserve near San Bruno. Comment
  JROH3917  Bellardia trixago John H. Thomas 1977-5-18 18613 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3922  Bellardia trixago John Hunter Thomas 1982-5-18 20931 San Mateo Jasper Ridge Biological Preserve, Stanford University; along SLAC-JR boundary Comment
  JROH3923  Bellardia trixago John Hunter Thomas 1985-5-2 23582 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3930  Bellardia trixago John Hunter Thomas 1989-5-9 24698 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC81971  Bellardia trixago Thomas W. Nelson, James Nelson 1980-5-3 5131 San Mateo Intersection of Hwy. 92 and Hwy. 280, W of San Mateo. Comment
  UC1543196  Bellis perennis Donald G. Nelson 1940-7-7 696 San Mateo on road from Half Moon Bay to San Mateo Pilarcitos Creek 76 Comment
  CAS-BOT-BC100192  Bellis perennis Elizabeth McClintock 1967-9-24 s.n. San Mateo Crocker Avenue Comment
  CAS-BOT-BC100195  Bellis perennis George Oberlander 1950-5-6 864 San Mateo on South Cahill Ridge Comment
  CAS-BOT-BC75880  Berberis pinnata George Oberlander 1949-4-17 70 San Mateo San Francisco Watershed Reserve. Near Pilarcitos Lake. Comment
  CAS-BOT-BC75865  Berberis pinnata Walter Knight; Irja Knight 1964-3-15 569 San Mateo San Bruno Mountains. On ridge near Nike Base. Comment
  RSA140621  Beta vulgaris John H. Thomas 1960-6-25 8796 San Mateo Redwood City. Along or near a small creek running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street. alt. below 25 feet. 8 Comment
  UCD97702  Beta vulgaris subsp. maritima Malcolm A. Nobs; S. Galen Smith 1949-8-27 1620 San Mateo E of Redwood City. Comment
  CAS-BOT-BC66300  Blechnum spicant W. R. Dudley 1897-1-1 s.n. San Mateo By Buano Cr. above Falls and below Sinnatts Comment
  SJSU15761  Bolboschoenus maritimus subsp. paludosus Toni Corelli 2009-9-22 431 San Mateo Pomponio State Beach west of Hwy. 1 4 Comment
  JROH3883  Boykinia occidentalis H. J. Dengler 1969-6-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. North bank of San Francisquito Creek, opposite the base of trail to S.F. Creek on N.E.J.R., just above "falls" in creek. Comment
  CAS-BOT-BC420226  Boykinia occidentalis H. L. Mason 1921-7-14 s.n. San Mateo Pescadero Creek on the La Honda-Pescadero Road Comment
  JROH4854  Brachypodium distachyon W. Lennihan 1980-5-19 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; eastern draw trail to San Francisquito Creek, about 1/3rd way down Comment
  JROH4866  Brachypodium sylvaticum John Rawlings 2007-10-1 1025 San Mateo Jasper Ridge Biological Preserve, Stanford University. In middle of road inside Preserve Fence along Sand Hill Road south of caretaker's house. 107 Comment
  SEINET14395443  Brachypodium sylvaticum J. Beall 2003-12-4 San Mateo Santa Cruz Mountains, Woodside on Hwy 84 at Grandview Dr., about 1 mile from Skyline Road summit. 427 Comment
  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-BC36669  Brassica oleracea L. R. Abrams; Ira L. Wiggins 1939-6-3 439 San Mateo 2 miles north of Pigeon Point Lighthouse. Comment
  RSA15631  Brassica oleracea C. B. Wolf 1927-6-15 1468 San Mateo Along Skyline Drive, 8 mi. S of San Francisco. Comment
  JROH1460  Brassica rapa John H. Thomas 1967-4-20 12704 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1464  Brassica rapa John H. Thomas 1975-6-5 17931 San Mateo Jasper Ridge Biological Preserve, Stanford University; just outside of gate Comment
  CAS-BOT-BC36797  Brassica rapa Alice Eastwood 1919-9-1 s.n. San Mateo Chinese garden. Comment
  UCD114806  Brassica rapa W. A. Harvey; J. M. Tucker 1948-6-28 1699 San Mateo ca. 3 miles north of Pescadero. Comment
  CAS-BOT-BC145329  Briza minor A. A. Beetle 1941-4-20 1738 San Mateo Near San Carlos. Comment
  CAS-BOT-BC145334  Briza minor J. H. Thomas 1949-6-4 571 San Mateo Along coast, 1.4 miles south of road to Pescadero. Comment
  POM199078  Briza minor A. D. E. Elmer 1903-05 4912 San Mateo Crystal Springs Lake. Comment
  SBBG459  Briza minor A. A. Beetle 1941-4-20 1739 San Mateo near San Carlos Comment
  SD34509  Briza minor A. A. Beetle 1941-4-20 1738 San Mateo Near San Carlos. Comment
  UCD57401  Briza minor Beecher Crampton 1962-6-11 6501 San Mateo Sharp Park. Suburb of Pacifica. Mori's Point Road, just west of State Hwy. 1. Comment
  CAS-BOT-BC482181  Brodiaea appendiculata J. C. Chamberlain 1922-1-1 s.n. San Mateo Fields near San Francisquito Creek back of Stanford University Comment
  CAS-BOT-BC484343  Brodiaea elegans subsp. elegans P. R. Hichborn 1920-6-1 280 San Mateo Santa Cruz Mountain Peninsula back of Redrood City Comment
  CAS-BOT-BC484351  Brodiaea elegans subsp. elegans W. R. Dudley 1893-5-27 s.n. San Mateo By Arey's residence near Stanford University Comment
  HSC23992  Brodiaea elegans subsp. elegans Mary Katherine Wicksten 1971-6-17 44 San Mateo Huddart Park, grassy hill above Oak Area Comment
  SEINET10932626  Brodiaea hyacinthina Mcmurphy 1906-5-8 MCMURPHY s.n. 1906 San Mateo Plants of the Santa Cruz Mountain Peninsula. Road from Crystal Springs to Woodside. Comment
  UC1442900  Brodiaea terrestris subsp. terrestris Theodore F. Niehaus 1965-3-23 364 San Mateo e of Crystal Springs (100 yards e of San Mateo Juvenile Probation Center) Comment
  UC843571  Brodiaea terrestris subsp. terrestris Alice Eastwood 1912-6-10 334 San Mateo Crystal Springs Comment
  CAS-BOT-BC483186  Brodiaea terrestris subsp. terrestris Philip C. Wheeler 1965-6-19 s.n. San Mateo Fire trail west of quarry, San Bruno Mountain Comment
  RSA159425  Bromus carinatus John H. Thomas 1961-5-14 9374 B San Mateo Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. San Francisco Watershed Reserve. 152 Comment
  RSA185011  Bromus carinatus L. S. Rose 1963-4-27 63003 San Mateo Skyline Blvd, open hills west of San Mateo. 91 Comment
  CAS-BOT-BC149014  Bromus carinatus var. carinatus Javier Penalosa 1963-3-30 2711 San Mateo San Bruno Mountain. North of Randolph Drive at Hillside Boulevard. In SSF. 91 Comment
  CAS-BOT-BC155726  Bromus diandrus Javier Penalosa 1963-3-30 2765 a San Mateo San Bruno Mountains. Guadalupe Valley. 30 Comment
  RSA475252  Bromus diandrus Lyman Benson 1935-5-5 6520 San Mateo Lake Searsville; Santa Cruz Mt. Range. S. F. Bay watershed 152 Comment
  UCSC007723  Bromus diandrus Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC155130  Bromus hordeaceus John H. Thomas 1961-5-13 9342 San Mateo Franklin Point. Comment
  JEPS128403  Bromus hordeaceus Adam C. Schneider 2013-5-17 130 San Mateo Crystal springs Reservoir. Comment
  JROH4916  Bromus hordeaceus Duncan M. Porter 1960-5-5 678 San Mateo Jasper Ridge Biological Preserve, Stanford University. Meadow near crest of N-facing slope above Webb Ranch Comment
  UCD58780  Bromus hordeaceus L. Whitney 1935-3-20 s.n. San Mateo Bayshore Highway--10 miles south of Cliff House, San Francisco. Comment
Read comments Nov 12 2011
  CAS-BOT-BC162407  Bromus laevipes A. A. Heller 1907-5-23 8566 San Mateo Back of San Mateo on the Half Moon Bay road. Comment
  CAS-BOT-BC162408  Bromus laevipes Margaret A. Barry 1937-7-17 207 San Mateo Coal Mine Ridge. Comment
  RSA181249  Bromus laevipes John H. Thomas 1961-5-7 9256 San Mateo San Bruno Mountain in northern part of county. 305 Comment
  JROH4957  Bromus madritensis subsp. rubens John Rawlings 2013-4-30 1181 A San Mateo Jasper Ridge Biological Preserve, Stanford University. Along Road B near north boundary fence. 78 Comment
  POM264990  Bromus marginatus I. L. Wiggins 1929-5-10 3672 San Mateo Pigeon Point Comment
  SEINET3921866  Bromus marginatus Robert A. Norris 1984-3-21 4656 San Mateo Blue Blossom Hills, San Mateo Mts., CA.; 0 366 Comment
  CAS-BOT-BC162228  Bromus maritimus Roxana S. Ferris 1920-4-27 189 San Mateo Santa Cruz Mountain Peninsula. Ano Nuevo Point. 0 Comment
  RSA523926  Bromus maritimus G. H. True 1937-4-3 621 San Mateo Near coast north of Salada Beach. 15 Comment
  CAS-BOT-BC162009  Bromus racemosus George Oberlander 1950-4-25 767 San Mateo San Francisco Watershed Reserve. San Andreas Valley. Comment
  CAS-BOT-BC185397  Bromus vulgaris L. R. Abrams 1915-6-14 5562 San Mateo Kings Mountain Road. Comment
  CAS-BOT-BC233711  Buddleja davidii Phillip Wheeler 1965-6-8 s.n. San Mateo Bayshore, lower cut area, San Bruno Mountain Comment
  CAS-BOT-BC36872  Cakile edentula var. edentula W. R. Dudley 1897-10-10 s.n. San Mateo Near Pilar Point. Comment
  UC1301004  Cakile maritima Helen K. Sharsmith 1963-3-23 5251 San Mateo near Half Moon Bay; San Francisco Bay Region Comment
  UC718801  Cakile maritima Reed C. Rollins 1942-11-4 3032 San Mateo about 5 mi n of Hal Moon Bay (Miramar Beach); Miramar Beach Comment
  CAS-BOT-BC36956  Cakile maritima var. maritima Ira L. Wiggins 1949-7-2 12196 San Mateo Pescadero Beach. Comment
  RSA128368  Cakile maritima var. maritima P. H. Raven 1950-4-30 1965 San Mateo Montara. Comment
  CAS-BOT-BC36946  Cakile maritima var. maritima Walter Knight; Irja Knight; Elizabeth McClintock 1964-9-11 s.n. San Mateo San Bruno Mountains. Point San Bruno. Comment
  JROH4972  Calamagrostis koelerioides John H. Thomas 1962-7-15 9913 San Mateo Jasper Ridge Biological Preserve, Stanford University. Oak woodland near northern end of ridge Comment
  CAS-BOT-BC185146  Calamagrostis nutkaensis A. D. E. Elmer 1903-5-1 5051 San Mateo San Pedro. Comment
  UC1131351  Calamagrostis nutkaensis H. S. Yates 1935-5-8 5215 San Mateo 2 mi s Pescadero; Santa Cruz Quadrangle Comment
  UC204077  Calamagrostis nutkaensis A. D. E. Elmer 1903-5-1 5051 San Mateo San Pedro Comment
  CAS-BOT-BC438532  Calandrinia ciliata Le Roy Abrams 1902-5-4 2406 San Mateo Woodside Comment
  CAS-BOT-BC438535  Calandrinia ciliata George Oberlander 1950-4-2 630 San Mateo San Francisco Watershed Reserve. On Sweeney Ridge Comment
  JROH4596  Calochortus albus John H. Thomas 1963-5-12 10085 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET7097930  Calochortus albus A. G. Vestal 1937-6-15 s.n. San Mateo Lat. 37 14' 13ao N, Long. 122 24' 55ao W(NAD27 converted to WGS84 decimal degrees). Pebble Beach west of Pescadero. UTM Zone 10, 551863 mE, 4121109 mN. Comment
  UC672162  Calochortus albus Herbert L. Mason 1924-5-18 1017 San Mateo Jasper Ridge, near zoology club Jasper Ridge Comment
Read comments Sep 19 2011
  UCD23297  Calochortus albus Alan T. Whittemore 1976-5-29 118 San Mateo San Francisco Fish and Game Refuge. East side of Lower Crystal Springs Lake, on Sawyer's Camp Road, between L. San Andreas and Crystal Springs Lake. 100 Comment
  CAS-BOT-BC492167  Calochortus albus Paul F. Covel 1936-4-24 271 San Mateo ft Saratoga Grade Comment
  CAS-BOT-BC492219  Calochortus albus Daniel Cohen 1953-6-3 105 San Mateo Los Trancos Woods. Comment
  RSA169882  Calochortus albus A. D. E. Elmer 1903-05 4846 San Mateo Iversons Place Comment
  SEINET12044768  Calochortus albus G. C. Kimber, Roush, L. 1918-1 s.n. San Mateo Alpine Rd near Corte Madera Cr Comment
  UC3425  Calochortus luteus Alice Eastwood May 1896 San Mateo Crystal Springs Comment
  CAS-BOT-BC491979  Calochortus luteus Otto M. Sokol 1953-5-29 113 San Mateo Near Sharon Estate, along Sand Hill Road Comment
  CAS-BOT-BC491984  Calochortus luteus Henry J. Thompson 1951-6-10 1501 San Mateo Westridge Hills, just west of Los Trancos Creek, 5 miles west of Palo Alto 121 Comment
  SEINET12044176  Calochortus luteus L. S. Rose 1933-1 33255 San Mateo Crystal Springs Lake Comment
  SEINET3557476 Image available Calochortus luteus Lewis S. Rose 1933-6-23 33255 San Mateo Crystal Springs Lake. Comment
  CHSC59836  Calochortus tolmiei Jan M. Karaz 1979-5-27 69 San Mateo 2.5 m north on Kings Mountain Road at the entrance to Huddart Park. 10 Comment
  CAS-BOT-BC493992  Calochortus tolmiei Joy H. Ozer 1963-6-9 59 San Mateo Southern boundary of Portola State Park. 609 Comment
  CAS-BOT-BC493993  Calochortus tolmiei Carl B. Wolf 1929-5-22 3722 San Mateo Near base of LaHonda grade, Santa Cruz Mts. 182 Comment
  CAS-BOT-BC493995  Calochortus tolmiei Le Roy Abrams 1902-5-20 s.n. San Mateo King's Mountain Comment
  CAS-BOT-BC496826  Calochortus tolmiei W. R. Dudley 1895-6-6 s.n. San Mateo Woods near Pescadero Creek 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
  RSA130388  Calochortus venustus Le Roy Abrams 1915-6-7 5242 San Mateo Woodside - Crystal Springs road near junction with Whipple Road. Comment
  JROH568  Calycadenia multiglandulosa John H. Thomas 1974-10-26 17634 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM263769  Calycadenia multiglandulosa L. S. Rose 1941-6-12 41268 San Mateo Emerald Lake, hills west of Redwood City. 120 Comment
  POM51530  Calycadenia multiglandulosa subsp. cephalotes C. F. Baker 1901-10-20 53 San Mateo Summit of Coast Range Comment
  SJSU8769  Calystegia purpurata D. D. Kohler 1963-5-18 116 San Mateo Moss Beach c. 5 mi N of Half Moon Bay Comment
  CAS-BOT-BC224670  Calystegia purpurata subsp. purpurata Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo San Bruno Mountain Comment
  JROH1841  Calystegia purpurata subsp. purpurata John H. Thomas 1968-5-22 14457 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CHSC56978  Calystegia soldanella Steven Triano 1988-5-24 191 San Mateo W of Hwy 1 ca 0.2 mi n of Pescadero Road. 9 Comment
  CAS-BOT-BC436448  Calystegia subacaulis Ned Cahill 1974-4-18 120 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City 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
  HSC16509  Camissonia ovata R. S. White 1965-4-19 42 San Mateo 4 mi. W of the Standford Golf Course on Sand Hill Rd. Comment
  UC306520  Camissoniopsis cheiranthifolia subsp. cheiranthifolia A. D. E. Elmer July 1903 4942 San Mateo San Pedro Comment
  UC874076  Camissoniopsis micrantha John Thomas Howell 1938-5-1 13773 San Mateo Colma Canyon Comment
  SEINET10463042  Campanula prenanthoides Wicksten 1971-7-7 WICKSTEN 155 San Mateo Huddart Park, road cut along road to family campground Comment
  SEINET10463048  Campanula prenanthoides David D. Keck 1934-7-7 Keck 2929 San Mateo Kings Mountain, west of summit 610 Comment
  SEINET10939009  Campanula prenanthoides William R. Dudley 1894-7-7 Dudley s.n. San Mateo Bear Gulch Comment
  JROH1478  Capsella bursa-pastoris John Hunter Thomas 1987-4-4 24168 San Mateo Jasper Ridge Biological Preserve, Stanford University; below Searsville Dam Comment
  CAS-BOT-BC37164  Capsella bursa-pastoris D. D. Davis 1903-4-1 s.n. San Mateo Near Dennis Martin Place. Comment
  CAS-BOT-BC37656  Cardamine californica W. R. Dudley 1893-4-1 s.n. San Mateo Santa Cruz Peninsula. Ravine near La Honda. Comment
  CAS-BOT-BC37668  Cardamine californica Reed Clark Rollins 1941-3-30 2954 San Mateo 4 miles northwest of Woodside. Comment
  CAS-BOT-BC37683  Cardamine californica Margaret A. Barry 1937-5-15 135 San Mateo On the south side of Coal Mine Ridge. Comment
  CAS-BOT-BC37689  Cardamine californica Javier Penalosa 1963-3-9 2698 San Mateo San Bruno Mountains. Ravine 0.5 mile east of 1314 foot summit. 304 Comment
  CAS-BOT-BC37678  Cardamine californica LeRoy Ellsworth Detling 1935-4-3 1530 San Mateo Redwoods, La Honda Grade, 2 miles west of Skyline Boulevard Intersection. Comment
  RSA15342  Cardamine californica var. integrifolia C. B. Wolf 1927-2-5 154 San Mateo Pilarcitos Lake Comment
  JROH1499  Cardamine oligosperma John Hunter Thomas 1983-4-5 21322 San Mateo Jasper Ridge Biological Preserve, Stanford University; low-flow crossing Comment
  CAS-BOT-BC37988  Cardamine oligosperma George Oberlander 1949-4-30 123 San Mateo San Francisco Watershed Reserve. Pilarcitos Canyon. Comment
  CAS-BOT-BC384844  Cardionema ramosissimum Elizabeth McClintock; Walter Knight; Irja Knight; Baki Kasapligil 1967-7-18 s.n. San Mateo San Bruno Mountain. In old quarry in Colma Canyon Comment
  JROH582  Carduus pycnocephalus subsp. pycnocephalus John Hunter Thomas 1989-5-9 24708 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA6894  Carduus tenuiflorus Agricultural Commissioner May 1955 San Mateo San Mateo. 0 Comment
  UCD166155  Carex Jack Major; M. Forde and S. Bamberg 1962-4-3 739 San Mateo Above Coastways Ranch on Finney Creek. (Exact location unknown. Coordinates estimated by label maker). Comment
  UCD140996  Carex R. H. Sciaroni 1977-7-26 s.n. San Mateo exact location unknown. Comment
  CAS-BOT-BC17853  Carex amplifolia Lewis S. Rose 1933-6-23 33250 San Mateo Kings Mountain. Comment
  JEPS48963  Carex amplifolia James G. Daly 1934-1 424 San Mateo upper Corte de Madera Canyon Comment
  CAS-BOT-BC17849  Carex amplifolia W. R. Dudley 1906-6-8 s.n. San Mateo The Santa Cruz Mountain Peninsula. In Squealer Gulch above water trough. Comment
  CAS-BOT-BC19328  Carex barbarae J. H. Thomas 1958-8-1 7371 San Mateo Sand dunes about 0.5 mile north of mouth of Pescadero Creek. 0 Comment
  SEINET7364526 Image available Carex bolanderi L. S. Rose 1933-6-23 33253 San Mateo Kings Mountain Comment
  CAS-BOT-BC176396  Carex densa Peter Rubtzoff 1975-5-21 7976 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC18930  Carex densa LeRoy Abrams 1902-5-11 2444 San Mateo Crystal Springs. Comment
  UC824431  Carex densa Lewis S. Rose 1935-5-4 35152 San Mateo Skyline Blvd. w San Bruno; Skyline Blvd. Comment
  RSA91589  Carex densa L. S. Rose 1937-5-16 37279 San Mateo South San Francisco. 15 Comment
  UCD140267  Carex densa Alice Eastwood; John Thomas Howell 1937-5-7 4327 San Mateo Visatacion Valley. Comment
  SEINET10652800  Carex festiva Adolph D. E. Elmer Elmer 4429 San Mateo Crystal Springs Lake. 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
  UC2048919  Carex globosa Neal Kramer 2016-4-3 2163 San Mateo Pedro Point Headlands Comment
  CAS-BOT-BC21814  Carex harfordii Alice Eastwood; John Thomas Howell; J. W. Stacey 1938-4-24 5251 San Mateo Tunitas. Comment
  JROH4352  Carex harfordii John Rawlings 2010-5-19 1057 San Mateo Jasper Ridge Biological Preserve, Stanford University. Just beyond NE terminus of Leonard's Bridge, a large clump on the SE verge of the trail. 107 Comment
  SBBG29952  Carex harfordii J. T. Howell 1938-5-1 13781 San Mateo near South San Francisco Comment
  CAS-BOT-BC21817  Carex harfordii Alice Eastwood; John Thomas Howell 1938-6-16 6049 San Mateo Ano Nuevo Comment
  JROH5599  Carex nudata John Rawlings 2013-4-30 1180 San Mateo Jasper Ridge Biological Preserve, Stanford University. Old horse trail crossing of San Francisquito Creek near Boething Nursery site. (Leave Trail 2 extension at metal post SE of last redwoods). 66 Comment
  CAS-BOT-BC119344  Carex obnupta J. H. Thomas 1959-4-4 7658 San Mateo Ca 0.7 mi S of Gazos Creek. Ca 6.5 mi S from Pescadero. 45 Comment
  CAS-BOT-BC117639  Carex serratodens Ned Cahill 1974-5-18 288 San Mateo Near the intersection of Canada and Edgewood roads, ca 3 mi W from 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
  RSA40332  Carex subbracteata L. S. Rose 1939-4-14 39063 San Mateo South San Francisco. 15 Comment
  RSA783466  Carex subbracteata Peter Rubtzoff, Roman Gankin 1975-5-21 7975 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction 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
  SBBG47544  Carex subbracteata L. S. Rose 1939-4-14 39063 San Mateo South San Francisco 15 Comment
  CAS-BOT-BC116815  Carex subbracteata var. subbracteata John Thomas Howell 1938-5-1 13776 San Mateo San Bruno Hills Comment
  CAS-BOT-BC115507  Carex tumulicola George Thomas Oberlander 1950-5-28 967 San Mateo Marsh, Pilarcitos Lake. Comment
  CAS-BOT-BC115513  Carex tumulicola W. R. Dudley 1898-4-24 s.n. San Mateo El Corte Madera Comment
  JROH4365  Carex tumulicola John Hunter Thomas 1978-4-8 19059 B San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  SEINET7578974 Image available Carex tumulicola Wilhelm N. Suksdorf 1913-6-20 377 San Mateo Crystal Springs Lake. Comment
  UC824947  Carex vesicaria var. major W. R. Dudley May, 1894 San Mateo between Woodside and Crystal Springs; Santa Cruz Mountain Peninsula Comment
  JROH4012  Castilleja H. J. Dengler 1961-4-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5852  Castilleja John H. Thomas 1978-4-20 19090 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC249191  Castilleja affinis David D. Keck 1940-5-15 5036 San Mateo Upper Crystal Springs Lake, east side 100 Comment
  OBI59410  Castilleja affinis Rimo Bacigalupi, J. R. Sweeney, Cliff Fenneman and George Bacigalupi, Jr 1954-8-3 4733 San Mateo Extreme NW San Mateo County. Hgts above Thornton Beach close to State Hwy 1 55 Comment
  RSA15303  Castilleja affinis Carl B. Wolf 1927-4-3 273 San Mateo 1 mile above La Honda. Santa Cruz Mountains. Comment
  SD234175  Castilleja affinis Virginia Pinkus Ryder 1965-6-13 436 San Mateo San Bruno Mtn. above Olivet Cemetary. Growing in sun on dry W. slope. 121 Comment
  JEPS15586  Castilleja affinis subsp. affinis G. Thomas Robbins 1956-8-18 3740 San Mateo immediately n mouth of Butano Creek (nw of Pescadero) Comment
Read comments Feb 28 2011
  JROH3934  Castilleja affinis subsp. affinis Joseph J. Schweitzer 1951-4-21 36 San Mateo Jasper Ridge Biological Preserve, Stanford University 152 Comment
  UC1032440  Castilleja affinis subsp. affinis H. S. Yates 1935-5-8 5201 San Mateo 2 mi n Langley Hill; Santa Cruz Quad. 579 Comment
  UCSC007730  Castilleja affinis subsp. affinis Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  UCSC006159  Castilleja ambigua Randall Morgan 1999-7-12 3588 San Mateo ca. 1+ mile north of Bean Hollow State Beach Comment
  RSA408815  Castilleja ambigua subsp. ambigua Francis W. Pennell, D. D. Keck 1940-5-15 25427 San Mateo Route 101. Burlingame. 0 Comment
  UC886508  Castilleja ambigua subsp. ambigua Alice Eastwood 1912-6-2 208 San Mateo Granada Comment
  JROH3956  Castilleja attenuata John H. Thomas 1973-4-14 16562 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3960  Castilleja attenuata John H. Thomas 1974-4-25 17193 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3961  Castilleja attenuata John Hunter Thomas 1978-4-20 19093 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS127791  Castilleja densiflora subsp. densiflora Adam C. Schneider with C. Matt Guilliams 2013-4-7 62 San Mateo Along dirt road running parallel to overhead power transmission lines. GPS coordinates approximate. Comment
  JROH3978  Castilleja densiflora subsp. densiflora John H. Thomas 1971-4-10 15751 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC76117  Castilleja densiflora subsp. densiflora E. R. Drew 1888-4-12 San Mateo San Pedro Ranch Comment
  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
  CHSC42232  Castilleja foliolosa Rusti Gammon 1986-3-30 14 San Mateo Ca. 8.1 mi se of Saratoga, 4.1 mi w off hwy 9. 569 Comment
  RSA400609  Castilleja foliolosa Paul C. Silva 1948-1-31 s.n. San Mateo Old La Honda Grade, 1 mile south of Skyline Blvd. 457 Comment
  RSA294162  Castilleja franciscana Robert A. Norris, John L. Inase, Allen Nakagawa 1981-7-25 4228 San Mateo Along footpath 70 ft above a marshy lagoon border, N of mouth of Pescadero Creek, Pescadero State Beach. Comment
  CAS-BOT-BC243829  Castilleja latifolia Otto M. Sokol 1953-5-9 86 San Mateo Just north of Pescadero Creek on coast road. Comment
  CAS-BOT-BC243834  Castilleja latifolia Peter H. Raven 1950-6-3 2267 San Mateo Near San Andreas Lake 121 Comment
  JROH3995  Castilleja rubicundula subsp. lithospermoides John H. Thomas 1961-4-29 9188 San Mateo Jasper Ridge Biological Preserve, Stanford University; at western end of serpentine outcroppings Comment
  JROH4002  Castilleja rubicundula subsp. lithospermoides John Hunter Thomas 1980-5-6 19930 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU661  Castilleja rubicundula subsp. lithospermoides A. W. Jacobs 1941-4-20 San Mateo Jasper Ridge above Searsville L Comment
  SD37772  Castilleja rubicundula subsp. lithospermoides Marie Cummings 1933-5-23 3712 San Mateo Spring Valley Lakes Comment
  JEPS103891  Castilleja subinclusa subsp. franciscana T. I. Chuang and F. M. Chuang 1991-7-3 7859 San Mateo 0.8 mile SW from junction of Interstate 280 and rt. 92 on rt. 92 Comment
  SJSU5850  Castilleja subinclusa subsp. franciscana R. E. Gill 1970-4-16 San Mateo La Honda Rd c. 4 mi E of junction with Skyline Blvd Comment
  SEINET7063807  Castilleja tenuis A. G. Vestal 1947-4-24 s.n. San Mateo Enclosure at jasper Ridge. UTM Zone 10, 568421mE, 4140420mN. (WGS84/NAD83). 174 Comment
  JEPS18915  Castilleja wightii Rimo Bacigalupi with G. Thomas Robbins 1955-8-4 5451 San Mateo just Crystal Springs Lake (s lake) (along Skyline Blvd (Calif Hwy 5), at a point 6.2 mi n of the junction with Kings Mtn (not the La Honda) road) 396 Comment
  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
  JEPS34455  Castilleja wightii L. R. Heckard 1963-7-18 1343 San Mateo just s Crystal Springs Dam (on San Mateo Creek canyon) (along Skyline Blvd (Highway 35), e of Lower Crystal Springs reservoir) 106 Comment
  JEPS60421  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-21 6662 a San Mateo about 2 mi s Half Moon Bay road junction and Skyline Boulevard Comment
  JEPS70084  Castilleja wightii L. R. Heckard 1972-4-16 2904 San Mateo e of Pilarcitos Lake Comment
  POM15493  Castilleja wightii C. F. Baker 1902-05 799 San Mateo Kings Mt. Comment
  RSA10376A  Castilleja wightii H. A. Barker 1926-5-1 606 San Mateo Kings Mt. Comment
  UC198264  Castilleja wightii Katharine Brandegee 1917-7-22 San Mateo Mussel Rock Station, Ocean Shore Railroad Comment
  UC729641  Castilleja wightii Carl B. Wolf 1929-5-25 3730 San Mateo s of Pescadero (Pebble Beach); Pebble Beach Comment
  RSA18358  Castilleja wightii Carl B. Wolf 1929-5-25 3730 San Mateo Just north of Pigeon Pt. Comment
  RSA296376  Castilleja wightii R. C. Bacigalupi, G. Thomas Robbins 1954-6-18 4557 San Mateo Road-bank just south of bridge across Arroyo de los Frijoles, along Calif. Highway No 1, 3.3 miles south of Pescadero. Comment
  SEINET8357659  Castilleja wightii A. D. E. Elmer 1903-1 4761 San Mateo San Pedro. Comment
  CAS-BOT-BC39381  Caulanthus lasiophyllus Reed Clark Rollins 1942-4-30 3005 San Mateo Southeast slope of the San Bruno Hills, about 1 mile west of Brisbane. Comment
  CAS-BOT-BC39385  Caulanthus lasiophyllus Wilhelm Nikolaus Suksdorf 1913-6-23 258 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC40397  Caulanthus lasiophyllus Peter H. Raven 1950-4-16 1802 San Mateo San Bruno Mountain. Summit Ridge. 243 Comment
  CAS-BOT-BC47931  Ceanothus Fred Hemphill 1973-4-15 675 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC47935  Ceanothus J. H. Thomas 1949-3-29 189 San Mateo Kings Mountain Comment
  CAS-BOT-BC48304  Ceanothus cuneatus George Oberlander 1950-3-11 499 San Mateo West Sawyer Ridge Comment
  CAS-BOT-BC48392  Ceanothus cuneatus var. cuneatus Roxana S. Ferris 1936-7-2 9308 San Mateo Skyline Blvd. south of junction of Alpine Creek Road Comment
  JROH3519  Ceanothus cuneatus var. cuneatus Anne Constant 1955-4-8 4 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA48819  Ceanothus cuneatus var. dubius E. K. Balls 1948-3-19 7869 San Mateo 2 mi. N. of S end of State Rt. 5. 305 Comment
  CAS-BOT-BC64333  Ceanothus griseus J. Clausen 1941-7-1 1873 San Mateo Summit of Montara Mountain. 274 Comment
  CAS-BOT-BC51596  Ceanothus oliganthus var. sorediatus H. A. Borthwick 1920-4-21 74 San Mateo Strawberry Bend, Corte Madera Cr. Comment
  CAS-BOT-BC63457  Ceanothus palmeri W. R. Dudley 1893-5-30 s.n. San Mateo Peak of Loma Prieta. Comment
Read comments Oct 30 2021
  CAS-BOT-BC51242  Ceanothus papillosus J. I. McMurphy 1906-5-20 13 San Mateo Santa Cruz Peninsula - King's Mt. Santa Cruz Mts. 457 Comment
  POM190252  Ceanothus papillosus D. D. Keck 1932-5-11 1774 San Mateo E side of Kings Mtn, on Kings Mtn road. 503 Comment
  SEINET12209941  Ceanothus papillosus J. D. McMurphy 1906-1 13 San Mateo King's Mt., Santa Cruz Mts 457 Comment
  CAS-BOT-BC52275  Ceanothus thyrsiflorus Elizabeth McClintock 1963-6-9 s.n. San Mateo unspecified Comment
  CAS-BOT-BC52280  Ceanothus thyrsiflorus Elizabeth McClintock 1965-3-28 s.n. San Mateo North Powerline Ridge Comment
  CAS-BOT-BC52290  Ceanothus thyrsiflorus Ira L. Wiggins 1925-4-1 1654 San Mateo On Kings Mountain Road three fourths of a mile above Woodside Comment
  JEPS85551  Ceanothus thyrsiflorus Craig Dremann 1986-8-30 322 San Mateo W of La Honda (Hwy 84 (Woodside-La Honda rd), 100 ft W of mile marker 6.68) Comment
  POM136468  Ceanothus thyrsiflorus C. F. Baker 1902-4-12 511 San Mateo La Honda. Comment
  CAS-BOT-BC274584  Centaurea calcitrapa Evelina Cannon 1896-1-1 s.n. San Mateo San Mateo Comment
  RSA131005  Centaurea calcitrapa H. L. Mason 1921-10 s.n. San Mateo County Hospital, Belmont. Crystal Springs Road Comment
  RSA289669  Centaurea calcitrapa Lyman Benson 1930-4-15 2037 San Mateo Spring Valley; Crystal Springs Lake 152 Comment
  SEINET11860702  Centaurea calcitrapa E. A. Purer 1933-8-13 5423 San Mateo Santa Clara Valley, near Belmont Comment
  JROH598  Centaurea melitensis John H. Thomas 1962-6-10 9909 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM54379  Centaurea melitensis A. D. E. Elmer 1903-06 4281 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC277123  Centaurea melitensis A. D. E. Elmer 1903-6-1 4281 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC277231  Centaurea solstitialis Ned Cahill 1974-7-14 351 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  RSA22960  Centaurium davyi L. R. Abrams, I. L. Wiggins 1939-6-3 423 San Mateo Ano Nuevo Point. Comment
  SEINET8730776 Image available Centaurium exaltatum Lewis S. Rose 1941-1 41280 San Mateo Kings Mountain Rd, 3 miles west of Woodside 183 Comment
  UCR123143  Centaurium muehlenbergii George K. Helmkamp, E. A. Helmkamp 2001-6-2 6795 San Mateo Central Coast, Purissima Creek Rd., 0.9 mi from Calif. Hwy 1(junction about 4 mi south of Half Moon Bay) 91 Comment
  SJSU15427  Centaurium tenuiflorum Toni Corelli 2011-8-25 716 b San Mateo Pescadero State Beach and Marsh Natural Preserve, Round Hill Trail at the end of Water Lane Road 12 Comment
  POM287523  Centaurium venustum Lyman Benson 1930-4-17 2068 San Mateo Stanford University. 122 Comment
  CAS-BOT-BC279324  Centromadia pungens subsp. pungens Elizabeth McClintock 1967-9-24 s.n. San Mateo San Bruno Mountain. Crocker Avenue Comment
  JEPS20332  Centromadia pungens subsp. pungens Lewis S. Rose 1949-8-14 49166 San Mateo Bayshore Blvd. San Mateo Comment
  SBBG35987  Centromadia pungens subsp. pungens L. S. Rose 1965-9-20 San Mateo Burlingame, Trousdale Dr and California Drive 9 Comment
  CAS-BOT-BC400166  Ceratophyllum demersum W. R. Dudley 1909-11-8 s.n. San Mateo Santa Cruz Mountain Peninsula. Hallidie Ranch, Portola Valley Comment
  CAS-BOT-BC135474  Cercocarpus betuloides var. betuloides A. D. E. Elmer 1903-5-1 4530 San Mateo Searsville Lake Comment
  JROH3622  Cercocarpus betuloides var. betuloides John H. Thomas 1961-6-14 9541 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3623  Cercocarpus betuloides var. betuloides John H. Thomas 1964-4-7 10301 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near edge of Searsville Lake. Comment
  JROH1947  Chamaesyce maculata John Hunter Thomas 1990-7-28 24939 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA187281  Chenopodium californicum John H. Thomas 1965-4-29 10604 San Mateo San Bruno Mountain in northern part of county. 305 Comment
  POM158031  Chenopodium macrospermum var. farinosum L. R. Abrams 1903-9-26 4018 San Mateo Border of Bay back of Menlo Park. 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
  UCSB17648  Chlorogalum pomeridianum Schulte, John 1963-4-27 San Mateo Jasper Ridge, 3 miles SW of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  JROH4646  Chlorogalum pomeridianum var. pomeridianum John H. Thomas 1973-6-10 16821 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM169774  Chlorogalum pomeridianum var. pomeridianum C. F. Baker 1903-6-30 3351 San Mateo Crystal Springs Comment
  CAS-BOT-BC191593  Chorizanthe cuspidata var. cuspidata A. D. E. Elmer 1903-5-1 4793 San Mateo San Pedro Comment
  RSA0004896  Chorizanthe cuspidata var. marginata A. D. E. Elmer 1903-05 4828 San Mateo San Pedro. Comment
  POM222889  Chrysolepis chrysophylla S. S. Berry 1909-3-13 s.n. San Mateo King's Mt. Road. 549 Comment
  RSA3093  Chrysolepis chrysophylla Carl B. Wolf 1931-8-21 2335 San Mateo 1/2 way up the east side of Kings Mt. 366 Comment
  UC1135216  Chrysolepis chrysophylla var. minor C. M. Belshaw 1935-1-25 1468 San Mateo 2.5 mi nw Sierra Moreno Peak; Santa Cruz Quad. 457 Comment
Read comments Oct 3 2011
  JROH2581  Cicendia quadrangularis John H. Thomas 1958-5-10 7154 San Mateo Jasper Ridge Biological Preserve, Stanford University. Growing in grassy openings among oaks to the north of the top of the ridge. Comment
  CAS-BOT-BC285235  Cichorium intybus Philip Wheeler 1966-10-16 s.n. San Mateo San Bruno Mountain. West end of Crocker Industrial Park. West of quarry Comment
  UCR70775  Cirsium brevistylum Mrs. E. C. Sutliffe 1933-7-26 s.n. San Mateo Lobitos Canyon 451 Comment
  SEINET14157453  Cirsium fontinale var. fontinale Unknown San Mateo Comment
  SEINET5506233  Cirsium fontinale var. fontinale Lewis S. Rose San Mateo Comment
  JROH633  Cirsium occidentale var. venustum John H. Thomas 1973-6-10 16813 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  UC30815  Cirsium occidentale var. venustum J. Burtt Davy 1893-6-17 815 San Mateo Belmont Comment
  RSA34005  Cirsium occidentale var. venustum J. Wendell Howe 1930-5-21 s.n. San Mateo Hillside near Alpine Creek Comment
  JEPS30887  Cirsium quercetorum J. H. Thomas 1958-6-11 7227 San Mateo about 4.3 mi due e of Belmont (near Crystal Springs Reservoir); , Crystal Springs Reservoir 91 Comment
  CAS-BOT-BC280506  Cirsium quercetorum Peter H. Raven 1961-8-24 16587 San Mateo East side of Crystal Springs Lakes Comment
  CAS-BOT-BC280514  Cirsium quercetorum Javier Penalosa 1963-3-30 2703 San Mateo San Bruno Mountain. North of Randolph Ave. at Hillside Blvd. in SSF 91 Comment
  RSA0070862  Cirsium quercetorum E. B. Copeland 1903-6-7 3316 San Mateo Montara Point. Comment
  UC962069  Cirsium quercetorum E. E. Gilbert 1952-5-23 San Mateo e margin of Crystal Springs Lake Crystal Springs Lake Comment
  JROH636  Cirsium vulgare John H. Thomas 1970-7-5 15670 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC285861  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
  CAS-BOT-BC160924  Clarkia amoena subsp. amoena E. M. Zeile 1921-7-30 s.n. San Mateo Near Mussel Rock Comment
  HSC59099  Clarkia cylindrica Clark L. Miller 1978-6-15 265 San Mateo 6 mi. S of Half Moon Bay, off Hwy. 1, on Verde Rd. 61 Comment
  RSA296779  Clarkia cylindrica subsp. cylindrica Clark L. Miller 1978-6-15 Feb- 65 San Mateo 6 miles south of Half Moon Bay, off Highway 1 of Verde Road 61 Comment
  RSA41290  Clarkia epilobioides Robert F. Hoover 1941-4-23 4904 San Mateo Redwood City hills Comment
  JEPS127894  Clarkia purpurea subsp. quadrivulnera Adam C. Schneider 2013-5-17 178 San Mateo Comment
  CAS-BOT-BC164563  Clarkia purpurea subsp. viminea W. R. Dudley 1905-6-19 s.n. San Mateo Above Iverson's Place near Pescadero Creek Comment
  JROH3008  Clarkia purpurea subsp. viminea Duncan M. Porter 1960-5-26 702 San Mateo Jasper Ridge Biological Preserve, Stanford University; N part of ridge, above Searsville Lake Comment
  CAS-BOT-BC165149  Clarkia rubicunda Walter Knight; Walter Knight 1963-6-24 s.n. San Mateo Quarry 4 Comment
  CAS-BOT-BC165152  Clarkia rubicunda Daniel Cohen 1953-6-3 106 San Mateo Los Trancos Woods Comment
  JEPS82913  Clarkia rubicunda Roy E. Buck, Randall A. Morgan 1983-6-7 335 San Mateo in triangle of Edgewood and Canada Rds. and Hwy. I-280, n of small watercourse San Francisco Watershed Reserve 158 Comment
  JROH3026  Clarkia rubicunda John Hunter Thomas 1981-5-25 20646 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA18380  Clarkia rubicunda Carl B. Wolf 1927-7-1 528 San Mateo Above Emerald Lake, back of Redwood City. Comment
  UC107818  Clarkia rubicunda Katharine Brandegee 1905-6-20 San Mateo near Half Moon Bay; Moss Beach (Winkie's) Comment
  UC112979  Clarkia rubicunda Katharine Brandegee 1908-7-26 San Mateo near Half Moon Bay; Moss Beach Comment
  UC1279917  Clarkia rubicunda Peter H. Raven 1957-6-30 11016 San Mateo 5.3 mi e Pescadero (on road along creek); Pescadero Creek Comment
  UC1279941  Clarkia rubicunda Peter H. Raven 1957-6-24 10972 San Mateo n Light House (just above the beach); Pigeon Point Comment
  CAS-BOT-BC165136  Clarkia rubicunda Peter H. Raven 1957-6-20 10955 San Mateo Above south-east end of Lake San Andreas Comment
  CAS-BOT-BC165155  Clarkia rubicunda E. K. Balls 1958-7-19 23570 San Mateo State Hwy. 5, 2 mi. nw. of jct. with road from Big Basin State Park 670 Comment
  CAS-BOT-BC165171  Clarkia rubicunda H. L. Mason 1921-7-14 s.n. San Mateo La Honda - Pescadero Road near Pescadero Creek Comment
  UC1279922  Clarkia rubicunda Peter H. Raven 1957-6-30 11011 San Mateo 1.8 mi s Sharp Park (on State Highway 1) Comment
  UC1279932  Clarkia rubicunda Peter H. Raven 1957-6-30 11013 San Mateo 1.8 mi n of bridge Pescadero Creek (State Highway 1) Comment
  UC1561235  Clarkia rubicunda Barbara Ertter 1989-6-4 8556 a San Mateo near jct. Crocker Ave. and Alexander Ave. (n side of hill that is n-most extension of San Bruno Mt. on n side of Guadalupe Canyon); Daly City Comment
  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
  UCSC005473  Clarkia rubicunda Randall Morgan 1998-7-28 3328 San Mateo N stretch of Stage Road off Hwy 1 Comment
  RSA128518  Clarkia rubicunda subsp. blasdalei L. R. Abrams 1907-8-25 s.n. San Mateo Santa Cruz Mountain Peninsula: Between Pescadero and Half Moon Bay Comment
  CAS-BOT-BC165604  Clarkia unguiculata Margaret A. Barry 1937-6-22 166 San Mateo On Coal Mine Ridge Comment
  JROH3039  Clarkia unguiculata John Rawlings, Ann Lambrecht 2010-6-23 0932 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along Trail 2 through small meadow about 700 yards east of the Trail 3 intersection. 81 Comment
  SEINET5544279  Claytonia perfoliata H. S. Gentry 1931-1 12 San Mateo Collected 1.5 miles W of San Mateo, Half-Moon Bay Road. 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-BC443657  Claytonia perfoliata subsp. perfoliata Peter H. Raven 1950-2-25 1381 San Mateo San Bruno Mountains, above Brisbane 91 Comment
  JROH3342  Claytonia perfoliata subsp. perfoliata Daniel Cohen 1953-4-11 20 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3343  Claytonia perfoliata subsp. perfoliata John H. Thomas 1963-5-15 10088 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC443660  Claytonia perfoliata subsp. perfoliata Elizabeth McClintock 1967-4-16 s.n. San Mateo San Bruno Mountain. Buckeye Canyon. Comment
  JROH5905  Claytonia perfoliata subsp. perfoliata M. Ray 1982-5-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail, west side of Searsville Dam Comment
  CAS-BOT-BC91480  Clematis lasiantha Josephine D. Randall 1907-7-4 305 San Mateo Santa Cruz Peninsula. Mill's Lake. 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
  JROH5686  Clematis lasiantha John Rawlings 2015-3-3 1310 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 9. 194 Comment
  JROH3422  Clematis ligusticifolia Toni Corelli 2007-8-28 336 b San Mateo Jasper Ridge Biological Preserve, Stanford University; below Trail 2, above San Francisquito Creek along embankment 71 Comment
  JROH3423  Clematis ligusticifolia Toni Corelli 2009-8-12 354 San Mateo Jasper Ridge Biological Preserve, Stanford University; along fence along Portola Road 105 Comment
  JROH2872  Clinopodium douglasii John H. Thomas 1969-6-4 15110 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2873  Clinopodium douglasii John H. Thomas 1970-1-1 15499 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC499371  Clintonia andrewsiana K. Hofpaugh 1929-5-11 210 San Mateo Redwood forest 3 miles east of La Honda Comment
  CAS-BOT-BC499404  Clintonia andrewsiana L. R. A. 1902-5-22 2465 San Mateo Kings Mountain Comment
  SEINET12047074  Clintonia andrewsiana F. H. Utech, Utech, C. L. 1972-1 72 -601 San Mateo road between Pescadero and La Honda, ca 2.5 mi before the junction with CA 84 183 Comment
  RSA130676  Collinsia heterophylla Josephine Randall 1907-6-8 384 San Mateo Portola Valley. Santa Cruz Peninsula. Comment
  CAS-BOT-BC240923  Collinsia multicolor A. A. Heller 1907-4-25 8463 San Mateo San Bruno Hills Comment
  UC26582  Collinsia multicolor Alice Eastwood Apr 1896 San Mateo On the road to Crystal Springs. Comment
  RSA59639  Collomia heterophylla Verne Grant, Alva Grant 1950-6-28 8921 San Mateo west side of Kings Mt. on Tunitas Creek road Comment
  UC1348938  Conioselinum pacificum Robert F. Thorne and P. Everett 1963-6-9 32237 San Mateo top of San Bruno Mountain 335 Comment
  UCD18542  Convolvulus arvensis Roman Gankin 1950-7-4 10 San Mateo city of Menlo Park, Hermosa Way, along roadside. 30 Comment
  SEINET3407326 Image available Convolvulus subacaulis Lewis S. Rose 1932-5-13 32248 A San Mateo Open fields, woodside, San Mateo County, California. Comment
  CAS-BOT-BC285993  Conyza bonariensis Ira L. Wiggins 1974-7-27 22109 San Mateo Crest of northerly bank of San Francisquito Creek, opposite 1455 Woodland Avenue, Menlo Park Comment
  JROH4765  Corallorhiza striata John Hunter Thomas 1985-4-25 23568 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD138899  Corallorhiza striata K. L. Koch 1965-5-1 42 San Mateo on north side of Alpine Road, 1.4 miles from Portola Park turnoff. 426 Comment
  JROH4027  Cordylanthus pilosus subsp. pilosus John H. Thomas 1971-8-5 16010 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC101482  Corethrogyne filaginifolia L. R. A. 1902-5-11 2459 San Mateo Crystal Springs Comment
  CAS-BOT-BC101483  Corethrogyne filaginifolia George Oberlander 1950-4-3 863 San Mateo Grassland east of Lower Crystal Spr. Lake Comment
  UC87483  Corethrogyne filaginifolia C. F. Baker 1902-5-10 810 San Mateo Crystal Springs Lake Comment
  SEINET12136511  Cornus californica R. C. Croker 1929-1 69 San Mateo Searsville Lake Comment
  UC527529  Cornus glabrata C. B. Wolf 1931-8-20 San Mateo 3 mi. w. Mayfield (on rd. to La Honda) 91 Comment
  CAS-BOT-BC210352  Cornus sericea J. I. McMurphy 1906-5-11 22 San Mateo Santa Cruz Peninsula. Los Trancos Creek, Santa Cruz Mts. Comment
  CAS-BOT-BC210355  Cornus sericea J. H. Thomas 1954-4-3 3817 San Mateo Along San Gregorio Creek about 1.5 miles west of La Honda 106 Comment
  JROH1867  Cornus sericea subsp. sericea John Hunter Thomas 1981-4-21 20460 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR3565  Cornus sericea subsp. sericea Wm. Horn Jr. 1964-6-11 630611- 01 San Mateo San Francisco Bay region, Hillsborough [Burlingame], 2240 Redington Road 30 Comment
  CDA18374  Cortaderia selloana G. D. Barbe 1978-9-26 2440 San Mateo Skylawn Memorial Park; drive from Hwy 92 into the park. 716 Comment
  UC1206477  Corylus californica Le Roy Abrams 1902-3-16 2271 San Mateo Kings Mountain Comment
  CAS-BOT-BC180279  Corylus cornuta subsp. californica Elizabeth McClintock 1972-3-26 s.n. San Mateo Middle Buckeye Canyon. San Bruno Mountain Comment
  CAS-BOT-BC180362  Corylus cornuta subsp. californica Le Roy Abrams 1902-3-6 2271 San Mateo Kings Mountain Comment
  CAS-BOT-BC180365  Corylus cornuta subsp. californica W. R. Dudley 1898-3-5 s.n. San Mateo King's Mt., Santa Cruz Peninsula Comment
  CAS-BOT-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-BC452289  Cotoneaster franchetii Philip Wheeler 1965-6-13 s.n. San Mateo San Bruno Mountain; Colma Canyon 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
  JROH3634  Cotoneaster pannosus John H. Thomas 1972-8-18 16154 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3647  Cotoneaster pannosus John Hunter Thomas 1992-5-14 25232 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near boat ramp Comment
  UC1119278  Cotula coronopifolia H. S. Yates 1935-5-8 5223 San Mateo 1 mi n Bolsa Pt.; Santa Cruz Quad. Comment
  UCR141420  Cotula coronopifolia 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-BC291464  Cotula coronopifolia John H. Thomas 1966-5-13 116112 San Mateo Near Palo Alto Yacht Harbor Comment
  CAS-BOT-BC291477  Cotula coronopifolia John Thomas Howell 1924-9-28 660 San Mateo Leslie Salt Rifinery, San Mateo Comment
  JEPS10206  Crassula aquatica Rimo Bacigalupi with G. T. Robbins 1954-6-18 4561 San Mateo Point Ano Nuevo Comment
  JEPS50002  Crassula aquatica F. T. Bioletti June, 1893 San Mateo Lake Pilarcitos Comment
  CAS-BOT-BC427607  Crassula aquatica W. R. Dudley 1910-5-26 s.n. San Mateo Santa Cruz Mountain Peninsula. Coal Mine Ridge, Black Mountain Comment
  CAS-BOT-BC427608  Crassula aquatica Peter Rubtzoff 1965-10-19 5663 San Mateo Margin of Pilarcitos Lake Comment
  CAS-BOT-BC427829  Crassula connata John H. Thomas 1958-3-19 7053 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco. 91 Comment
  CAS-BOT-BC427834  Crassula connata A. D. E. Elmer 1903-4-1 4719 San Mateo San Bruno Hills Comment
  POM275977  Crataegus monogyna Lyman D. Benson 1930-5-3 2104 San Mateo Santa Cruz Mt. 244 Comment
  JROH668  Crepis vesicaria subsp. taraxacifolia John Hunter Thomas 1986-6-7 24082 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1960  Croton setiger John Hunter Thomas 1983-7-20 22895 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4989  Crypsis schoenoides John Hunter Thomas 1982-11-6 21210 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Searsville Lake near Searsville Lab Comment
  JROH1381  Cryptantha microstachys Toni Corelli 2007-5-2 334 San Mateo Jasper Ridge Biological Preserve, Stanford University. Upslope along Trail b 142 Comment
  JROH5670  Cryptantha microstachys John Rawlings 2015-5-7 1264 San Mateo Jasper Ridge Biological Preserve, Stanford University; along Rd E south side of Big Inlet. 117 Comment
  UC153904  Cuscuta salina var. major L. R. Abrams 1906-9-30 San Mateo Cooley's Landing Comment
  HSC23885  Cuscuta subinclusa Mary Katherine Wicksten 1971-7-2 152 San Mateo Huddart Park, Kings Mtn. Rd. above Miwok Area Comment
  UC1195196  Cynara cardunculus subsp. cardunculus John H. Thomas 1960-6-25 8800 San Mateo near Maple Street (between El Camino Real and railroad tracks, along or near a small creek running into Redwood Slough); Redwood City, Redwood Slough Comment
  UC1598121  Cynara cardunculus subsp. cardunculus John Thomas Howell 1956-11-14 31961 San Mateo just s Main Street (Bayshore Highway); Redwood City Comment
  JROH5000  Cynodon dactylon John H. Thomas 1966-4-24 11581 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5004  Cynodon dactylon John H. Thomas 1973-6-10 16819 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM128514  Cynoglossum grande L. R. Abrams 1902-4-6 2317 San Mateo Searsville. Comment
  RSA130387  Cynoglossum grande A. M. Patterson 1907-4-27 s.n. San Mateo Kings Mt. Santa Cruz Peninsula. Comment
  RSA130416  Cynoglossum grande Josephine Randall 1908-2-16 s.n. San Mateo Corte de Madera Canyon near Alpine Road. Comment
  UC1206465  Cynoglossum grande Le Roy Abrams 1902-4-6 2317 San Mateo Searsville Comment
  UC572651  Cynoglossum grande Howard T. Morse 1937-4-13 San Mateo Loma Mar Comment
  UCSB21183  Cynoglossum grande Simpson, C. 1967-3-21 San Mateo Along Skyline Blvd., 1 mile east of junction with Skywood Road 518 Comment
  JROH5011  Cynosurus echinatus W. Lennihan 1989-6-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. San Francisquito Creek -- above low-flow causeway on left in rocks. 81 Comment
  CAS-BOT-BC114458  Cyperus eragrostis Phillip C. Wheeler 1965-5-8 s.n. San Mateo Sierra Point Comment
  JROH4377  Cyperus eragrostis John Hunter Thomas 1977-6-16 18806 San Mateo Jasper Ridge Biological Preserve, Stanford University. Delta in Searsville Lake. Comment
  JROH4390  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
  CAS-BOT-BC114457  Cyperus eragrostis W. R. Dudley 1908-6-19 s.n. San Mateo Road from Tanforan to Jersey Dairy. Comment
  RSA184845  Cyperus eragrostis L. S. Rose 1965-9-20 65107 San Mateo Burlingame, Trousdale Dr. and California Dr. 9 Comment
  SEINET7581670 Image available Cyperus eragrostis Lewis S. Rose 1965-9-20 65107 San Mateo Trousdale Dr & California Dr. 9 Comment
  JROH4391  Cyperus erythrorhizos John H. Thomas 1974-10-29 17643 San Mateo Jasper Ridge Biological Preserve, Stanford University. Small peninsula created by drainage channel cut to accommodate water from Corte Madera Cr. Comment
  UC673588  Cypripedium fasciculatum Monica Deitrich March 1927 San Mateo Lake Pilarcitos Comment
  CAS-BOT-BC192232  Danthonia californica David D. Keck 1932-5-6 1479 San Mateo Just west of Millbrae Highlands 50 Comment
  CAS-BOT-BC192235  Danthonia californica W. R. Dudley 1894-5-1 s.n. San Mateo Woodside to Crystal Springs Comment
  JROH5037  Danthonia californica John H. Thomas 1968-5-3 14437 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5041  Danthonia californica John Hunter Thomas 1981-5-19 20611 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM347040  Danthonia californica var. americana Lyman Benson 1930-4-26 2071 San Mateo Stanford University. 122 Comment
  JROH1907  Datisca glomerata John Hunter Thomas 1991-11-21 25104 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing of San Francisquito Creek Comment
  UCD127385  Daucus carota Rimo Bacigalupi; G. Thomas Robbins 1955-8-4 5444 San Mateo along grade on Highway No. 1, just south of Pedro Valley. Comment
  CHSC1953  Daucus pusillus A. Goekler 1929-5-10 San Mateo Moss Beach. Comment
  JROH673  Deinandra corymbosa W. R. Dudley 1893-7-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Comment
  CAS-BOT-BC299210  Deinandra corymbosa subsp. corymbosa L. S. Rose 1941-8-9 41361 San Mateo Moss Beach 16 Comment
  CAS-BOT-BC300006  Deinandra lobbii W. R. Dudley 1898-11-4 s.n. San Mateo Los Trancos Road near Adelante Villa, vicinity of Standford University Comment
  OBI10661  Delphinium californicum Lewis S. Rose 1965-5-3 65058 San Mateo San Bruno Mtn, Colma Cyn 61 Comment
  UC9130  Delphinium californicum J. Burtt Davy Jun 21 1893-Jun 23 1893 San Mateo Pilarcitos Lake and Canyon Comment
  UCD95640  Delphinium californicum P. B. Kennedy 1928-5-2 s.n. San Mateo E of Daly City. Comment
  CAS-BOT-BC9220  Delphinium californicum W. R. Dudley 1910-5-26 s.n. San Mateo Near Los Trancos Creek, above Judge Allen's, Santa Cruz Mountains Comment
  JROH3434  Delphinium californicum subsp. californicum John H. Thomas 1973-6-10 16811 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA394480  Delphinium decorum subsp. decorum Glenn A. Gorelick 1968-5-12 s.n. San Mateo San Bruno Mtns, Overlooking Daly City near San Francisco Comment
  CAS-BOT-BC10287  Delphinium hesperium W. R. Dudley 1905-6-19 s.n. San Mateo Above Alpine School House, Black Mtn. Comment
  JROH3447  Delphinium hesperium subsp. hesperium John Hunter Thomas 1980-5-6 19927 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM150556  Delphinium nudicaule C. F. Baker 1902-5-10 795 San Mateo Kings Mountain. Comment
  JROH3456  Delphinium patens subsp. patens John H. Thomas 1977-4-21 18540 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3461  Delphinium patens subsp. patens John Hunter Thomas 1991-4-11 24987 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC116528  Delphinium patens subsp. patens W. Dudley 1900-3-16 s.n. San Mateo Above Tripp's Store, Woodside Comment
  CAS-BOT-BC7928  Delphinium variegatum Adolph Daniel Edward Elmer 1903-5-1 4796 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC7929  Delphinium variegatum Adolph Daniel Edward Elmer 1903-5-1 4796 San Mateo Crystal Springs Lake Comment
  SEINET3075261 Image available Delphinium variegatum C. W. Sharsmith 1951-4-6 5825 San Mateo Woodside Hills, 3 miles west of Woodside. 180 Comment
  JEPS23360  Delphinium variegatum subsp. variegatum W. L. Jepson 1914-3-22 5734 San Mateo Redwood Farm Redwood City (home of Mr. and Mrs. J. W. Goodwin) 30 Comment
  HSC9615  Deschampsia cespitosa subsp. holciformis C. B. Wolf 1927-6-16 San Mateo W side of Spring Valley Lakes. Comment
  JEPS83606  Deschampsia cespitosa subsp. holciformis Roy E. Buck and Randall A. Morgan 1984-6-17 505 San Mateo ca. 5.7 km. s.w. of Redwood City (in area bounded by Hwy. I-280 & Edgewood Rd. & Canada Rd.); San Francisco Watershed Reserve 152 Comment
  CAS-BOT-BC201907  Deschampsia elongata John H. Thomas 1961-5-23 9452 San Mateo Portola State Park, near junction of Peters and Pescadero Creeks 152 Comment
  CAS-BOT-BC201908  Deschampsia elongata W. R. Dudley 1908-6-26 s.n. San Mateo Edge of Dry Pond, Coal Mine Ridge Road Comment
  CAS-BOT-BC201913  Deschampsia elongata George Oberlander 1950-4-23 917 San Mateo North Cahill Ridge Comment
  JROH5075  Deschampsia elongata W. Lennihan 1990-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Mapache Trail (12) before swale, just before going uphill onto Trail 10, right and left of path. Comment
  JROH5674  Deschampsia elongata John Rawlings 2014-6-10 1276 San Mateo Jasper Ridge Biological Preserve, Stanford University; ecotone between dominant Salix exigua on sandy lake shore and Typha angustifolia in drying Searsville lake bed, 50 m south of the boat landing and old lab. Comment
  CAS-BOT-BC876  Dicentra chrysantha George T. Ruddock Sept 1917 s.n. San Mateo San Carlos Peak Comment
  CAS-BOT-BC903  Dicentra chrysantha Rimo Bacigalupi 1926-4-30 1355 San Mateo Near summit of Mt. Diablo Comment
  CAS-BOT-BC904  Dicentra chrysantha E. M. Zeile 1921-11-19 s.n. San Mateo Mt. Diablo Comment
  CAS-BOT-BC704  Dicentra formosa subsp. formosa Peter Rubtzoff 1953-5-14 1340 San Mateo Pilarcitos Creek canyon, 1 to 2 miles downstream from Pilarcitos Lake. Comment
  CAS-BOT-BC500927  Dichelostemma capitatum Ned Cahill 1974-4-18 128 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC500928  Dichelostemma capitatum Ned Cahill 1974-4-23 164 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  SEINET5548143  Dichelostemma capitatum H. S. Gentry 1931-1 5 San Mateo Collected 1.5 miles west of San Mateo, Half-moon Bay road. Comment
  JEPS127778  Dichelostemma capitatum subsp. capitatum Adam C. Schneider with C. Matt Guilliams 2013-3-9 28 San Mateo Comment
  JROH4657  Dichelostemma capitatum subsp. capitatum John H. Thomas 1974-4-13 17148 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM276991  Dichelostemma capitatum subsp. capitatum Lyman Benson 1931-3-15 2635 San Mateo Emerald Lake; Redwood City; Mt. Range: Santa Cruz 152 Comment
  UCD148239  Dichelostemma capitatum subsp. capitatum Robert E. Preston 2013-3-28 2900 San Mateo Hillsborough, along Crystal Springs Rd where it crosses under the Junipero Serra Freeway. 99 Comment
  JROH5079  Digitaria sanguinalis John Hunter Thomas 1981-9-24 20747 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5082  Digitaria sanguinalis Ann Lambrecht 2004-7-21 13 San Mateo Jasper Ridge Biological Preserve, Stanford University. Corte Madera Creek near intersection with Trail 12. Comment
  CAS-BOT-BC150444  Diplacus aurantiacus Fred Hemphill 1973-4-8 662 San Mateo San Carlos. Area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC150467  Diplacus aurantiacus W. R. Dudley 1900-4-20 s.n. San Mateo Hills near San Francisquito Cr. Comment
  CAS-BOT-BC150468  Diplacus aurantiacus Elizabeth McClintock; Paul Reeberg 1988-5-20 s.n. San Mateo Carter Street Comment
  CAS-BOT-BC151990  Diplacus douglasii L. R. Abrams 1915-3-23 5566 San Mateo Between Woodside and Crystal Springs Lake by crossroads - Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC121867  Dirca occidentalis G. Edelbrock 1975-2-8 1 San Mateo San Francisco Watershed 152 Comment
  CAS-BOT-BC121868  Dirca occidentalis Alice Eastwood 1922-5-31 11334 San Mateo Crystal Springs Lakes Comment
  JROH4199  Dirca occidentalis John H. Thomas 1960-5-1 8537 San Mateo Jasper Ridge Biological Preserve, Stanford University. This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  POM274503  Dirca occidentalis Lyman D. Benson 1929-3-2 992 San Mateo East of Lake Searsville Comment
  POM274504  Dirca occidentalis Lyman D. Benson 1929-3-2 992 San Mateo East of Lake Searsville Comment
  RSA130910  Dirca occidentalis E. K. Balls 1958-7-22 23593 San Mateo North end of Searsville Lake 183 Comment
  SBBG39502  Dirca occidentalis L. S. Rose 1970-1-30 70002 San Mateo 1 mi SE of San Andreas Lake; Santa Cruz Mts 304 Comment
  SJSU4530  Dirca occidentalis L. S. Rose 1964-3-9 64004 San Mateo N end Crystal Springs L 121 Comment
  SEINET12190188  Dirca occidentalis J. H. Thomas 1958-1 6980 San Mateo Jasper Ridge, about 5 SW of Palo Alto 183 Comment
  SEINET12190189  Dirca occidentalis L. S. Gill 1930-1 178 San Mateo near Searsville Lake Comment
  UC860256  Disporum hookeri Lewis S. Rose 1939-5-5 39095 San Mateo San Mateo Canyon 45 Comment
  POM169800  Disporum smithii A. D. E. Elmer 1903-05 4697 San Mateo Butano Creek Comment
  POM196567  Disporum smithii W. R. Dudley 1896-4-17 s.n. San Mateo By road beyond La Honda Summit. Comment
  CAS-BOT-BC195719  Distichlis spicata Walter Knight; Irja Knight 1964-9-2 s.n. San Mateo Black Point, San Bruno Comment
  JROH3376  Dodecatheon clevelandii subsp. patulum Ellen Searby 1955-4-1 78 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS9518  Dodecatheon clevelandii subsp. patulum W. L. Jepson 1922-3-19 9556 San Mateo back Hillsboro (Buriburi Ridge); Buriburi Ridge Comment
  JROH3380  Dodecatheon hendersonii Le Roy Abrams 1901-3-3 1119 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3384  Dodecatheon hendersonii Herbert Dengler 1959-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD38129  Dodecatheon hendersonii Marie Cummings 1933-4-11 3687 San Mateo Spring Valley Lake Comment
  POM78433  Dodecatheon hendersonii subsp. cruciatum A. D. E. Elmer 1903-04 s.n. San Mateo Woodsides. Comment
  POM129378  Dodecatheon hendersonii subsp. cruciatum R. L. Pendleton 1907-4-13 1320 San Mateo Canyvess Springs-Deen Ridge. 549 Comment
  JROH1509  Draba verna John Hunter Thomas 1982-4-4 20820 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH1515  Draba verna John Hunter Thomas 1989-4-20 24641 San Mateo Jasper Ridge Biological Preserve, Stanford University; grassy area below dam Comment
  CDA39076  Dracunculus vulgaris M. K. Beyers 2013-5-31 s.n. San Mateo Montara State Beach, McNee Ranch Trail Trailhead. Comment
  CAS-BOT-BC159550  Drymocallis glandulosa var. glandulosa Alice Eastwood 1912-6-10 327 San Mateo Crystal Springs 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
  RSA112450  Drymocallis glandulosa var. wrangelliana Josephine Randall 1907-7-7 340 San Mateo Kings Mtn. Comment
  CAS-BOT-BC67879  Dryopteris arguta John H. Thomas 1961-5-7 9296 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  CAS-BOT-BC67888  Dryopteris arguta Ira L. Wiggins 1928-4-14 2920 San Mateo Alpine Creek Road Comment
  JROH33  Dryopteris arguta John H. Thomas 1976-11-5 18433 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  JROH37  Dryopteris arguta John Hunter Thomas 1980-11-12 20162 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  RSA11000  Dryopteris arguta C. B. Wolf 1928-3-14 1537 San Mateo La Honda grade in the Santa Cruz Mountains 152 Comment
  CAS-BOT-BC428368  Dudleya farinosa Lewis S. Rose 1937-9-5 37646 San Mateo Mussel Rocks 60 Comment
  CDA33784  Dudleya farinosa D. G. Kelch 2011-3-13 11 .051-B San Mateo Pacifica. Along sea bluffs Comment
  CAS-BOT-BC428367  Dudleya farinosa Robt. T. Orr 1961-7-28 s.n. San Mateo Ano [Ano] Nuevo Island Comment
  JROH1810  Dysphania ambrosioides John H. Thomas 1974-10-29 17642 San Mateo Jasper Ridge Biological Preserve, Stanford University; small peninsula created by drainage channel cut to accommodate water from Corte Madera Cr. Comment
  RSA101005  Echinochloa crus-galli G. Oberlander 1949-10-25 393 San Mateo Upper Crystal Springs Lake, San Francisco Watershed Reserve Comment
  JROH4308  Echinodorus berteroi John Hunter Thomas 1982-11-6 21213 San Mateo Jasper Ridge Biological Preserve, Stanford University; in water at edge of Searsville Lake near old bathing 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
  UCD61216  Ehrharta erecta Glen L. Holstein 1978-3-1 s. n. San Mateo Near Pescadero Point. Comment
  JEPS67911  Elatine heterandra L. R. Heckard and J. H. Thomas 1972-4-16 2894 San Mateo ca 1.5 mi s Pulgas Water Temple (Old Canada Rd, sw of upper Crystal Springs Reservoir) Comment
  JEPS113013  Elymus californicus Dean W. Taylor 1994-5-10 14279 San Mateo along Crystal Springs Road 0.3 mi e of junction of Tartan Trail (Santa Cruz Mountains, San Mateo Creek drainage); Santa Cruz Mountains, San Mateo Creek drainage 67 Comment
  POM352566  Elymus californicus P. H. Raven 1967-6-25 21418 San Mateo Pescadero Road 2.8 miles SW of Alpine Road. Comment
  POM319918  Elymus glaucus Barbara Shervanick 1973-4-1 797 San Mateo San Bruno Mts.; first summit on Crocker Rd. Comment
  CAS-BOT-BC203683  Elymus glaucus subsp. glaucus W. R. Dudley 1894-5-1 s.n. San Mateo Santa Cruz Mountain Peninsula. Woodside to Crystal Springs Lake Comment
  CAS-BOT-BC203685  Elymus glaucus subsp. glaucus J. Clausen 1937-6-20 1529 San Mateo West of Redwood City near the Easter Cross Comment
  CAS-BOT-BC203682  Elymus glaucus subsp. glaucus W. R. Dudley 1895-6-7 s.n. San Mateo Santa Cruz Mountain Peninsula. On ridge by trail to Big Basin Comment
  CAS-BOT-BC235211  Elymus multisetus George Oberlander 1950-7-15 1015 San Mateo San Francisco Watershed Reserve. North of San Andreas Lake Comment
  JROH5120  Elymus multisetus D. E. Breedlove 1971-5-31 19389 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH5121  Elymus multisetus John H. Thomas 1973-6-10 16824 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU15818  Epilobium brachycarpum John Rawlings, Ken Hickman 2016-7-21 1905 San Mateo Serpentine seep area up-slope from the Hwy 92 west onramp to Hwy 280 north; near a concrete drainage ditch a few yards down-slope from the San Francisco Watershed boundary fence 122 Comment
  UC1537613  Epilobium brachycarpum Gordon H. True 1937-7-23 804 San Mateo along Skyline-Salada Beach Rd 60 Comment
  OBI12062  Epilobium brachycarpum Lewis S. Rose 1966-8-6 66077 San Mateo San Bruno Mtn, head of Colma Cyn 213 Comment
  RSA40475  Epilobium canum subsp. canum C. F. Leithold 1894-8-13 s.n. San Mateo Santa Cruz Mountain Peninsula: Devil s Canyon, branch of Pescadero and Mill Cr. Black Mt. Comment
  JROH3048  Epilobium ciliatum subsp. ciliatum John H. Thomas 1970-7-5 15659 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC306521  Epilobium ciliatum subsp. watsonii A. D. E. Elmer July, 1903 4962 San Mateo Crystal Springs Lake Comment
  JROH3069  Epilobium densiflorum H. J. Dengler 1972-8-21 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR279844  Equisetum arvense Peter Rubtzoff 1976-3-14 8444 San Mateo San Francisco Bay Region, San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction; upper part of East Fork Colma Creek Canyon 220 Comment
  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
  JROH71  Equisetum telmateia subsp. braunii John Hunter Thomas 1979-9-9 19717 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC311544  Equisetum telmateia subsp. braunii A. D. E. Elmer March, 1903 4501 San Mateo Portola Comment
  POM87718  Equisetum telmateia var. braunii L. R. Abrams 1902-3-16 2282 San Mateo Kings Mountain Comment
  CAS-BOT-BC299889  Erechtites glomeratus L. R. Abrams 1926-5-26 11218 San Mateo San Bruno Hills near Daly City Comment
  POM356837  Erechtites glomeratus E. A. Purer 1933-8-13 5422 San Mateo Along roadside, near Belmont. Comment
  SJSU12768  Eriastrum abramsii Toni Corelli 1986-5-22 San Mateo Edgewood County Park near junction of Edgewood Rd & Hwy 280, Redwood City 219 Comment
  JROH648  Erigeron canadensis John H. Thomas 1964-11-15 10524 San Mateo Jasper Ridge Biological Preserve, Stanford University; along road at edge of Searsville Lake Comment
  CAS-BOT-BC300614  Erigeron foliosus var. franciscensis Elizabeth McClintock; Walter Knight; Irja Knight; Baki Kasapligil 1967-7-18 s.n. San Mateo San Bruno Mountain. In old quarry in Colma Canyon Comment
  CAS-BOT-BC295082  Erigeron glaucus John H. Thomas 1961-5-12 9327 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC295085  Erigeron glaucus Elizabeth McClintock 1972-5-10 s.n. San Mateo San Bruno Mountain. Slope east of Parking Lot at summit of mountain Comment
  CAS-BOT-BC216250  Eriodictyon californicum Volney Rattan 1881-1-1 s.n. San Mateo Belmont Comment
  JROH2715  Eriodictyon californicum Daniel Cohen 1953-4-11 24 San Mateo Jasper Ridge Biological Preserve, Stanford University; on west side of Jasper Ridge Comment
  JROH2719  Eriodictyon californicum John H. Thomas 1970-7-5 15667 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  LA205654  Eriodictyon californicum Lewis S. Rose; 1932-5-3 32220 San Mateo Belmont 182 Comment
  UC306559  Eriodictyon californicum A. D. E. Elmer April, 1903 4801 San Mateo Lake San Andreas Comment
  CAS-BOT-BC216244  Eriodictyon californicum Josephine D. Randall 1907-7-24 166 San Mateo Road to Crystal Springs Lake, Santa Cruz Peninsula Comment
  SEINET12271949  Eriodictyon californicum Unknown 1932-1 9151 San Mateo Comment
  CAS-BOT-BC253198  Eriogonum fasciculatum Lewis S. Rose 1941-9-21 41455 San Mateo Intersection of Alpine Creek Road and Skyline Blvd. 609 Comment
  CAS-BOT-BC250549  Eriogonum gracile Ned Cahill 1974-4-29 193 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  POM165067  Eriogonum latifolium A. D. E. Elmer 1903-07 4557 San Mateo Half Moon Bay. Comment
  UC1377660  Eriogonum latifolium W. J. Dress 1951-8-29 4134 San Mateo about 4.5 mi n Pigeon Point Comment
  UC77427  Eriogonum latifolium C. F. Baker 1903-6-30 3359 San Mateo Pilarcitos Comment
  UCR121581  Eriogonum latifolium George K. Helmkamp, E. A. Helmkamp 1999-6-28 4986 San Mateo Pescadero Creek Watershed, Pescadero Road just north of Loma Mar 107 Comment
  UCR240612  Eriogonum latifolium T. B. Salvato, Lia V. D. Mansfield, Joel-Henry J. Mansfield 2008-6-14 3524 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-BC251993  Eriogonum latifolium Phipps 1922-7-1 s.n. San Mateo Tunitas Creek Comment
  CAS-BOT-BC264772  Eriogonum luteolum George Oberlander 1949-7-30 349 San Mateo San Francisco Watershed Reserve, south boundary Comment
  CAS-BOT-BC264775  Eriogonum luteolum L. S. Rose 1941-9-2 41432 San Mateo Emerald Lake, west of Redwood City 90 Comment
  CAS-BOT-BC264780  Eriogonum luteolum James L. Reveal; John H. Thomas 1975-7-31 3911 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto, south of San Francisquito Creek 182 Comment
  JEPS111093  Eriogonum luteolum Zoe Ellis Chandik 1992-7-14 92 -1 San Mateo Crystal Springs Reservoir, south edge of serpentine (sludge) talus slope, below Hwy 280 on San Francisco Watershed land, 0.1 mi N of Hwy 92 (Ralston Ave.) east of junction with Skyline Blvd 121 Comment
  POM193637A  Eriogonum luteolum L. R. Abrams 1902-9-21 2988 San Mateo Crystal Lake Comment
  HSC17396  Eriogonum luteolum var. luteolum L. S. Rose 1964-9-9 64073 San Mateo Emerald Lake W of Redwood City 244 Comment
  JROH3238  Eriogonum luteolum var. luteolum Carol Zabel 1989-8-27 33 San Mateo Jasper Ridge Biological Preserve, Stanford University. Herb's serpentine loop, top of Trail 5. Comment
  SJSU7503  Eriogonum nudum Lewis S. Rose 1964-9-9 64074 San Mateo W of Redwood City 243 Comment
  CAS-BOT-BC269008  Eriogonum nudum var. auriculatum Ned Cahill 1974-10-8 384 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  POM165061  Eriogonum nudum var. auriculatum A. D. E. Elmer 1903-06 4311 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC269007  Eriogonum nudum var. auriculatum L. S. Rose 1927-5-24 s.n. San Mateo San Mateo Comment
  CAS-BOT-BC304067  Eriophyllum confertiflorum Walter & Irja Knight 1963-7-14 297 San Mateo Quarry 3, San Bruno Mt Comment
  CAS-BOT-BC304068  Eriophyllum confertiflorum Evelina Cannon No date on label s.n. San Mateo Crystal Springs Comment
  CAS-BOT-BC304074  Eriophyllum confertiflorum Fred Hemphill 1973-3-17 633 San Mateo San Carlos. N of Malabar Rd and Melendry Dr 207 Comment
  RSA171029  Eriophyllum confertiflorum R. F. Thorne, Percy C. Everett 1963-6-9 32229 San Mateo Top of San Bruno Mountain 335 Comment
  POM288449  Eriophyllum confertiflorum Lyman Benson 1937-6-24 8389 San Mateo Caol Mine Ridge, Stanford University, Santa Cruz Mt. Range, S. F. Bay Watershed 366 Comment
Read comments Oct 24 2014
  POM49712  Eriophyllum lanatum var. arachnoideum L. R. Abrams 1902-5-17 2472 San Mateo Kings Mountain Comment
  UC1377806  Eriophyllum latilobum W. J. Dress 1951-5-30 3274 San Mateo roadside bank in canyon sw of San Mateo Comment
Read comments Mar 6 2006
  CAS-BOT-BC301973  Eriophyllum staechadifolium Dr. Barton W. Evermann 1924-6-22 s.n. San Mateo Ano [Ano] Nuevo Island Comment
  CAS-BOT-BC301980  Eriophyllum staechadifolium Elizabeth McClintock 1963-6-9 s.n. San Mateo San Bruno Mountain Comment
  POM204323  Eriophyllum staechadifolium I. L. Wiggins 1929-7-4 3793 San Mateo Pescadero Beach Comment
  SD40140  Eriophyllum staechadifolium Edith A. Purer 1933-7-27 5395 San Mateo Partially stabilized san dunes, two miles south of Pigeon Point. Comment
  CAS-BOT-BC301966  Eriophyllum staechadifolium George Oberlander 1949-7-30 332 San Mateo San Francisco Watershed Reserve. Sweeney Ridge Comment
  CDA5406  Eriophyllum staechadifolium var. artemisiifolium Wm. Davis 1958-6-6 San Mateo Pedro Valley, Sharp Park. 0 Comment
  RSA391840  Erodium cicutarium Glenn A. Gorelick 1967-4-4 s.n. San Mateo San Bruno Mts; overlooking Daly City near San Francisco. Comment
  JROH238  Eryngium jepsonii Richard L. Garber 1971-5-1 82 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH243  Eryngium jepsonii John Hunter Thomas 1978-7-4 19254 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC54507  Erysimum capitatum Alice Eastwood; John Thomas Howell 1938-6-26 6053 San Mateo 2 miles south of San Gregorio. Comment
  CAS-BOT-BC54826  Erysimum franciscanum Alice Eastwood 1914-3-12 s.n. San Mateo San Bruno Hills. Comment
  CAS-BOT-BC54835  Erysimum franciscanum G. B. Rossbach 1955-3-12 569 San Mateo North face of Devil's Slide, south of Pedro Point, west edge of Montara Mountains. 121 Comment
  CAS-BOT-BC54886  Erysimum franciscanum James McMurphy 1909-3-20 s.n. San Mateo Crystal Springs. Comment
  RSA101912  Erysimum franciscanum G. B. Rossbach 1939-5-12 900 San Mateo 2.5 miles N of Montara near Devil s Slide Comment
  UC1034707  Erysimum franciscanum G. B. Rossbach 1955-3-26 577 San Mateo open rocky summit near radio tower (crest of mt); San Bruno Mountain 400 Comment
  UC1034711  Erysimum franciscanum G. B. Rossbach 1955-3-12 568 San Mateo rocky seaward (but not outermost) slope just inland and ne Devil's Slide (w edge of mts); Montara Mountains Comment
  UC1034949  Erysimum franciscanum G. B. and R. P. Rossbach 1938-4-3 806 San Mateo crests and steep upper slopes San Bruno Hills 304 Comment
  UC334631  Erysimum franciscanum Hy. Edwards March 1877 77 San Mateo Colma Comment
  CAS-BOT-BC54831  Erysimum franciscanum W. R. Dudley 1906-5-13 s.n. San Mateo Santa Cruz Peninsula. Hills southwest of San Mateo. Comment
  CAS-BOT-BC420646  Escallonia rubra var. macrantha Elizabeth McClintock; Paul Reeberg 1989-3-14 s.n. San Mateo Uncommon, along Guadalupe Canyon Parkway west of the park kiosk, on the north side of the parkway. 182 Comment
  CAS-BOT-BC403550  Eschscholzia californica Ned Cahill 1975-1-8 393 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JEPS121486  Eschscholzia californica Adam C. Schneider 2013-5-17 157 San Mateo Crystal Springs Reservoir Comment
  JROH3094  Eschscholzia californica John H. Thomas 1967-6-1 12963 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC403544  Eschscholzia californica H. L. Mason 1922-4-1 s.n. San Mateo At Pigeon Point Light Comment
  POM272325  Eschscholzia californica subsp. californica Arthur L. Cohen 1935-4-21 627 San Mateo Jasper Ridge, Stanford University. Santa Cruz Mtn Range, San Francisco Bay Watershed. 152 Comment
  RSA116733  Euonymus occidentalis W. R. Dudley 1895-6-6 s.n. San Mateo Along Pescadero Creek, near Iverson. Comment
  SEINET10453530  Euonymus occidentalis Mary Susan Taylor 1978-8-30 Taylor 1856 San Mateo Comment
  JROH1800  Euonymus occidentalis var. occidentalis H. J. Dengler 1975-4-27 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; N. of Searsville Rocks, 30' from S.F. Cr. 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
  POM282553  Euphorbia crenulata Lyman Benson 1930-5-3 2089 San Mateo Above Woodside, Mt. Range: Santa Cruz 244 Comment
  UC1130403  Euphorbia crenulata H. S. Yates 1935-2-3 5002 San Mateo 2 mi s San Gregorio; Santa Cruz Quad. 152 Comment
  UC17678  Euphorbia crenulata J. Burtt Davy Jun 21 1893-Jun 23 1893 San Mateo Pilarcitos Lake and Pilarcitos Canyon; Pilarcitos Canyon, Pilarcitos Lake Comment
  RSA133936  Euphorbia helioscopia John H. Thomas 1959-7-8 8014 San Mateo About 1/4 miles west of center of Pescadero on road toward the coast. Comment
  UCR123136  Euphorbia oblongata Don Pendleton 2002-4-26 s.n. San Mateo San Francisco Bay Region, Woodside, Sandhill Road, 0.25 mi north of Portola Road, west of Hwy 280 152 Comment
  CDA9447  Euphorbia spathulata D. G. Kelch 2002-5-13 s.n. San Mateo Pulgas Ridge; SF watershed. Between Ralston Ave & I-280. 0 Comment
  JROH5162  Festuca arundinacea John Hunter Thomas 1988-5-12 24457 San Mateo Jasper Ridge Biological Preserve, Stanford University; near bridge between the two parts of Searsville Lake Comment
  JROH5163  Festuca arundinacea John Hunter Thomas 1988-5-12 24456 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Lakeside Laboratory Comment
  JROH5470  Festuca bromoides John H. Thomas 1968-5-3 14441 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5474  Festuca bromoides John Hunter Thomas 1984-4-24 23315 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC278353  Festuca californica subsp. californica David D. Keck 1932-5-11 1499 San Mateo Above Woodside on La Honda road, east slope of Santa Cruz Mountains Comment
  SJSU15412  Festuca idahoensis Toni Corelli 2009-5-20 427 San Mateo Rockaway Headlands, Pacifica, west of Hwy. 1 34 Comment
  JROH5486  Festuca microstachys A. G. Vestal 1923-5-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC278862  Festuca occidentalis W. R. Dudley 1895-6-1 s.n. San Mateo Santa Cruz Mountain Peninsula. Pescadero Creek Comment
  CAS-BOT-BC278863  Festuca occidentalis W. R. Dudley 1896-4-17 s.n. San Mateo Santa Cruz Mountain Peninsula. Near La Honda, Summit Comment
  SJSU16015  Festuca perennis John Rawlings, Ken Hickman 2016-5-26 1810 San Mateo Serpentine seep area (Fountain thistle seep) up-slope from the Hwy 92 west onramp to Hwy 280 north; down-slope from San Francisco Watershed fence line 122 Comment
  JROH6207  Festuca rubra John Rawlings 2014-4-4 1239 San Mateo Jasper Ridge Biological Preserve, Stanford University; verge of Goya Rd. at its terminus near Preserve entrance. 199 Comment
  RSA582075  Festuca rubra D. D. Keck 1932-5-6 1478 San Mateo Above Millbrae Highlands Comment
  RSA86699  Festuca rubra D. D. Keck 1932-5-6 1478 San Mateo Above Millbrae Highlands Comment
  CAS-BOT-BC77693  Ficus carica Elizabeth McClintock; Paul Reeberg 1988-5-12 s.n. San Mateo Juncus Ravine Comment
  SEINET11119270  Foeniculum vulgare K. Thorne, J. Chandler 1986-7-25 4945 San Mateo Half Moon Bay, 2 miles S of Moss Beach at Dune Beach, adjacent to the Pacific Ocean. Comment
  RSA112397  Fragaria californica W. R. Dudley 1894-7-28 s.n. San Mateo Hill between Pescadero and La Honda, San Mateo County. Comment
  RSA85867  Fragaria chiloensis Mabel Peirson 1926-2-24 6519 San Mateo Moss Beach. Comment
  UC1536909  Fragaria chiloensis Gordon H. True 1937-3-31 616 San Mateo Salada Beach Comment
  CAS-BOT-BC166910  Frangula californica Peter Rubtzoff 1975-10-24 8428 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction; (tributary of East Fork Colma Creek). Comment
  JEPS127868  Frangula californica subsp. californica Adam C. Schneider 2013-5-17 162 San Mateo Crystal Springs Reservoir Comment
  JROH3549  Frangula californica subsp. californica John Hunter Thomas 1981-2-14 20224 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3571  Frangula californica subsp. tomentella John H. Thomas 1974-5-29 17409 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC211603  Frankenia salina L. R. Abrams 1906-9-29 s.n. San Mateo Cooley's Landing Comment
  UC204065  Fraxinus latifolia A. D. E. Elmer Jul 1903 4615 San Mateo San Mateo Creek Comment
Read comments Sep 4 2011
  CAS-BOT-BC130122  Fritillaria affinis L. R. A. 1902-4-13 2339 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC130130  Fritillaria affinis A. D. E. Elmer 1903-5-1 5045 San Mateo Portola Comment
  CAS-BOT-BC130147  Fritillaria affinis Dean Wm. Taylor 1988-3-16 9404 San Mateo San Bruno Mountain, summit of mountain, along fire road ca. 120 m east from summit parking lot 371 Comment
  CAS-BOT-BC130123  Fritillaria affinis D. D. Davis 1903-5-2 s.n. San Mateo Near La Honda Comment
  CAS-BOT-BC130125  Fritillaria affinis Catherine A. Toschi 1963-3-17 63 :55 San Mateo East slope San Bruno Mountains below radio station 213 Comment
  RSA15286  Fritillaria affinis Carl B. Wolf 1927-4-3 254 San Mateo 1 mile above La Honda. Santa Cruz Mountains Comment
  RSA196570  Fritillaria affinis W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Peninsula; ravine above Pillar Point and below Montara Mountains Comment
  SEINET12044993  Fritillaria affinis J. D. Randall 1908-1 s.n. San Mateo King's Mt., Santa Cruz Peninsula Comment
  SEINET8501280 Image available Fritillaria affinis L. M. Henry, M. E. Springer 1946-7-21 371 San Mateo La Honda Comment
  POM196568  Fritillaria agrestis Roxana S. Ferris 1921-3-21 s.n. San Mateo Santa Cruz Mountain Penisula: New Years Point Comment
  JEPS61962  Fritillaria biflora var. ineziana Inez Smith 1914-3-12 San Mateo San Mateo Comment
  CAS-BOT-BC130379  Fritillaria liliacea James McMurphy 1909-3-20 s.n. San Mateo Crystal Springs Comment
  CAS-BOT-BC130384  Fritillaria liliacea Marion Gallagher 1978-3-3 s.n. San Mateo At Farm Hill School Site, above Redwood City and opposite [Canada] Canada College, just off 280 at Farm Hill off ramp Comment
  RSA0031337  Fumaria Peter Rubtzoff, B. Anderson 1988-4-12 9900 San Mateo San Bruno Mountain. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction; NW part of the area, near the old Guadalupe Road between Bog Trail and Saddle Trail Junctions. Comment
  CAS-BOT-BC389733  Galium J. Lovelle 1973-8-5 37 San Mateo Mt. Ellen Trail Comment
  RSA130681  Galium aparine Harry A. Dutton 1900-3-25 s.n. San Mateo The Santa Cruz Peninsula Comment
  JROH3800  Galium murale John H. Thomas 1976-4-30 18103 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  JROH3801  Galium murale John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD121881  Galium parisiense John Thomas Howell 1978-7-18 53188 San Mateo McClellan residence, 1356 Bernal Ave., Burlingame. Comment
  JROH3810  Galium porrigens var. porrigens John H. Thomas 1968-3-17 14185 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3814  Galium porrigens var. porrigens John Hunter Thomas 1983-4-28 21782 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC134943  Gamochaeta ustulata E. B. Copeland 1903-6-14 3312 San Mateo Montara Point Pacific Coast Comment
  CAS-BOT-BC303469  Gamochaeta ustulata R. E. Frenkel 1964-4-2 415 San Mateo On Spring Valley Ridge Rd, SFWD, at junction of Spring Valley Ridge Rd and Whiting Ridge Rd 347 Comment
  JROH792  Gamochaeta ustulata John Hunter Thomas 1979-5-18 19555 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC21592  Garrya elliptica J. Burtt Davy Jun 21 1893-Jun 23 1893 San Mateo Pilarcitos Lake and Canyon Comment
  RSA116686  Garrya elliptica Helen M. Edwards 1917-02 s.n. San Mateo Los Traucos Canon [Canyon]. Comment
  SD41264  Garrya elliptica Delzie Demaree 1930-2-1 7312 San Mateo Los Trancos Woods. Comment
  POM132534  Garrya veatchii Jos. Burtt Davy 1893-06 s.n. San Mateo Pilarcitos Lake and Canon [Canyon]. Comment
  JROH5187  Gastridium phleoides John H. Thomas 1977-4-29 18568 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC219101  Genista monspessulana Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo Radio Road 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
  CHSC56539  Genista monspessulana Steven Triano 1988-5-24 177 San Mateo On the sw corner of the jct. of Portola Road and Old La Honda Road, ca 3.2 mi s of Woodside. 115 Comment
  JROH1999  Genista monspessulana John H. Thomas 1960-4-22 8594 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC219148  Genista monspessulana Doris M. Ladd 1954-5-1 50 San Mateo Road to La Honda, near Five Points Comment
  UCD164385  Geranium dissectum Peter Rubtzoff 1977-6-7 9028 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  JROH2625  Geranium molle John H. Thomas 1967-3-26 12422 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5835  Geranium molle Teri Barry 2016-4-26 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 7 Comment
  JROH3157  Gilia achilleifolia subsp. multicaulis John Hunter Thomas 1980-4-24 19899 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam 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
  RSA185797  Gilia capitata subsp. abrotanifolia Josephine Randall 1908-5-1 s.n. San Mateo Corte de Madera Canon near Alpine RoadSanta Cruz Peninsula Comment
  CAS-BOT-BC266511  Githopsis diffusa Margaret A. Barry 1937-5-15 s.n. San Mateo On Coal Mine Ridge Comment
  JROH5826  Glycyrrhiza lepidota Ann Lambrecht 2011-12-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; north bank of San Francisquito Cr. near water's edge 83 Comment
  POM55189  Gnaphalium californicum A. D. E. Elmer 1903-06 4291 San Mateo Crystal Springs Lake. Comment
  RSA18268  Gnaphalium californicum C. B. Wolf 1927-6-27 455 San Mateo Los Troncos Creek, 2 mi back of Stanford University. Comment
  CDA6003  Gnaphalium canescens subsp. beneolens A. C. Browne 1950-8-12 San Mateo Alpine Creek. 0 Comment
  RSA22173  Gnaphalium luteoalbum L. R. Abrams, I. L. Wiggins 1939-6-3 431 San Mateo Ano Nuevo Point Comment
  UC88305  Gnaphalium palustre C. F. Baker 1902-10-20 1860 San Mateo Searsville Pacific Coast, Searsville Comment
  RSA195655  Gnaphalium ramosissimum John H. Thomas 1958-8-1 7376 San Mateo Just N of mouth of San Gregorio Creek 30 Comment
  SEINET3386993 Image available Gnaphalium ramosissimum Lewis S. Rose 1935-8-13 35568 San Mateo Salada, Brushy coastal hills. 30 Comment
  CAS-BOT-BC304504  Grindelia hirsutula Alice Eastwood 1914-12-16 s.n. San Mateo Redwood City Comment
  CAS-BOT-BC304516  Grindelia hirsutula Phillip C. Wheeler 1965-8-14 s.n. San Mateo San Bruno Mountain. Brisbane Lagoon Comment
  CAS-BOT-BC304532  Grindelia hirsutula W. R. Dudley 1897-10-10 s.n. San Mateo At Pilar Point Comment
  CAS-BOT-BC304533  Grindelia hirsutula Lewis S. Rose 1933-7-21 33306 San Mateo Montara Comment
  CAS-BOT-BC304535  Grindelia hirsutula George Oberlander 1950-7-15 1099 San Mateo San Francisco Watershed Reserve. Northern Cahill Ridge Comment
  CAS-BOT-BC304556  Grindelia hirsutula Phillip C. Wheeler 1965-4-27 s.n. San Mateo San Bruno Mountain. Sierra Point Comment
  POM190261  Grindelia hirsutula D. D. Keck 1932-5-25 1783 San Mateo Hills two miles W of Belmont Comment
  SJSU15767  Grindelia hirsutula Toni Corelli 2011-9-14 722 San Mateo Rockaway Headlands, southwest of Rockaway Beach, Pacifica 53 Comment
  UC520390  Grindelia hirsutula Delzie Demaree 1933-6-23 10378 San Mateo Pigeon Point Comment
  CAS-BOT-BC304520  Grindelia hirsutula V. F. Hesse 1961-8-24 3026 San Mateo Near, north of, Pigeon Point 4 Comment
  SEINET5709439 Image available Grindelia stricta Lowell E. Urbatsch 1972-1 1095 San Mateo Low area near coast along Hwy 1. Comment
  POM288781  Grindelia stricta var. platyphylla Lyman Benson 1934-7-4 6101 San Mateo Moss Beach; Pacific Ocean watershed 15 Comment
  JEPS54104  Guillenia lasiophylla R. J. Smith 1898-5 San Mateo Los Buellis Hills Mt. Hamilton Range Comment
  JROH440  Hedera helix John H. Thomas 1967-6-1 12974 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  JROH833  Helenium puberulum John H. Thomas 1970-7-5 15658 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH836  Helenium puberulum John H. Thomas 1974-6-27 17449 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low flow crossing, below Searsville Dam Comment
  CAS-BOT-BC309539  Helenium puberulum E. H. Richardson 1906-10-1 s.n. San Mateo Cooleys Landing Comment
  HSC23988  Helenium puberulum Mary Katherine Wicksten 1971-6-22 93 San Mateo Huddart Park; by Madrone Area, toward Miwok Shelter Comment
  JROH848  Helianthella californica var. californica Elmer I. Applegate 1895-5-11 264 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Comment
  CAS-BOT-BC305334  Helianthella castanea Miss E. Cannon 1892-6-1 s.n. San Mateo Hills near the Bay, South S.F. Comment
  JROH1837  Helianthemum scoparium John H. Thomas 1969-5-28 15077 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA40616  Heliotropium curassavicum var. oculatum Mickelson 1958-4-9 385 -58 San Mateo Metsymoto property, East Palo Alto. 0 Comment
  CAS-BOT-BC305926  Helminthotheca echioides John H. Thomas 1955-11-9 5505 San Mateo Fallow Brussel Sprout field near Sanchez Adobe House, San Pedro Valley, about 8.5 miles south of San Francisco - San Mateo County line, and 0.9 mile inland from the ocean Comment
  JROH1172  Helminthotheca echioides John Hunter Thomas 1981-10-25 20770 San Mateo Jasper Ridge Biological Preserve, Stanford University; near main gate Comment
  JEPS40999  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-9-5 64070 San Mateo w Redwood City; Emerald Lake 243 Comment
  JEPS44416  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1965-8-27 65094 San Mateo w Redwood City; Emerald Lake 182 Comment
  JROH868  Hemizonia congesta subsp. luzulifolia John H. Thomas 1974-10-26 17635 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH873  Hemizonia congesta subsp. luzulifolia John Hunter Thomas 1988-8-21 24562 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC194221  Hemizonia congesta subsp. luzulifolia H. M. Hall 1916-7-14 10227 San Mateo n of Belmont; Region of San Francisco Bay Comment
  CAS-BOT-BC314931  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1909-5-25 s.n. San Mateo Summit between San Mateo and Crystal Springs Lakes Comment
  SD30842  Hemizonia congesta subsp. luzulifolia Edith A. Purer 1933-8-4 5398 San Mateo Along roadsides of Bayshore Highway. Comment
  RSA81560  Hemizonia luzulifolia James I. McMurphy 1908-8-20 s.n. San Mateo Near causeway, between lakes, Crystal Springs Reservoir. Comment
  RSA81595  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1910-8-24 s.n. San Mateo Corte Madera Creek. Comment
  POM223640  Hemizonia luzulifolia subsp. rudis L. S. Rose 1935-9-21 35652 San Mateo Redwood City. Comment
  POM87769  Hesperevax sparsiflora var. sparsiflora L. R. Abrams 1902-5-4 2417 San Mateo Woodside Comment
  UCSB11749  Hesperocyparis macrocarpa Olson, Jim 1962-4-13 San Mateo 1 mile south of Halfmoon Bay, on Halfmoon Bay to San Mateo Road 9 Comment
  RSA112351  Hesperolinon congestum L. R. Abrams 1920-6-1 7497 San Mateo Back of Redwood City. Comment
  UC1187062  Hesperolinon congestum David D. Keck 1940-5-15 5035 San Mateo e side Upper Crystal Springs Lake 100 Comment
  UC191381  Hesperolinon congestum Edward Lee Greene 1887-6-11 San Mateo Comment
  JROH2925  Hesperolinon micranthum John H. Thomas 1967-5-31 12943 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2929  Hesperolinon micranthum D. E. Breedlove 1971-5-31 19382 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH2936  Hesperolinon micranthum John Hunter Thomas 1983-6-29 22713 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  OBI12527  Hesperolinon micranthum Lewis S. Rose 1956-6-11 56093 San Mateo Emerald Lake, Hills W of Redwood city 183 Comment
  RSA18376  Hesperolinon micranthum Carl B. Wolf 1927-7-1 532 San Mateo Above Emerald Lake, back of Redwood City. Comment
  JROH1647  Heterocodon rariflorum Ann Lambrecht 2009-5-13 37 San Mateo Jasper Ridge Biological Preserve, Stanford University. Just off Trail 10 west of big drainage. Comment
  CAS-BOT-BC148471  Heteromeles arbutifolia Fred Hemphill 1973-4-15 681 San Mateo San Carlos, chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  JROH3678  Heteromeles arbutifolia John H. Thomas 1973-6-10 16814 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD37681  Heteromeles arbutifolia Edith A. Purer 1932-7-18 4002 San Mateo King's Mountain Comment
  UC1128087  Heteromeles arbutifolia G. E. Sindel 1935-7-23 295 San Mateo 1/4 mi n of Pescadero Creek 121 Comment
  RSA0072375  Heteromeles arbutifolia A. D. E. Elmer 1903-02 4575 San Mateo Portola. Comment
  SEINET11915764  Heteromeles arbutifolia Unknown 1929-1 7301 San Mateo Kings Mt Comment
  JROH907  Heterotheca grandiflora John Hunter Thomas 1991-11-21 25110 San Mateo Jasper Ridge Biological Preserve, Stanford University; SLAC corridor Comment
  CAS-BOT-BC310770  Heterotheca sessiliflora subsp. echioides C. F. Leitholt 1894-7-30 s.n. San Mateo Santa Cruz Mountain Peninsula. La Honda road Comment
  CAS-BOT-BC424378  Heuchera micrantha var. hartwegii Walter & Irja Knight 1963-7-14 s.n. San Mateo Base of Quarry 2; San Bruno Mountain Comment
  CAS-BOT-BC424377  Heuchera micrantha var. hartwegii Walter & Irja Knight 1964-5-4 s.n. San Mateo Romanzoffia ravine; San Bruno Mountain Comment
  SEINET9737076  Heuchera micrantha var. pacifica L. S. Rose 1941-7-2 41289 San Mateo Kings Mountain 600 Comment
  SEINET3147704  Hieracium albiflorum L. S. Rose 1939-6-16 39279 San Mateo Kings Mtn. 671 Comment
  POM207955  Hierochloe occidentalis C. F. Baker 1902-1-15 247 San Mateo West side of King's Mountain Comment
  RSA187345  Hierochloe occidentalis John H. Thomas 1954-4-3 3820 San Mateo Along San Gregorio Creek about 1.5 miles west of La Honda. 107 Comment
  SEINET4584971  Hierochloe occidentalis R. Oliver 1976-4-18 s.n. San Mateo San Mateo Memorial Park Comment
  CAS-BOT-BC55440  Hirschfeldia incana Phillip Wheeler 1965-6-7 s.n. San Mateo San Bruno Mountains. Bottom Owls Canyon. Comment
  RSA134378  Hoita orbicularis L. S. Rose 1959-6-24 59031 San Mateo San Mateo, Black Mtn. Rd. near Skyline Blvd. 122 Comment
  CAS-BOT-BC289250  Holcus lanatus Elizabeth McClintock 1974-11-8 s.n. San Mateo North side of Guadalupe Parkway in the saddle, San Bruno Mountain Comment
  JROH5217  Holcus lanatus John Hunter Thomas 1989-5-30 24756 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA17940  Holcus lanatus C. B. Wolf 1927-6-13 s.n. San Mateo La Honda Grade. Comment
  SEINET10591390  Holcus lanatus Delzie Demaree 1933-6-12 Demaree 10374 San Mateo Bader Station. S. San Francisco. Small bottom. Comment
  CAS-BOT-BC228580  Holodiscus discolor Peter W. Fritsch; Lu Lu; Lisa Fritsch; Nathan Fritsch 2012-6-30 1938 San Mateo San Bruno State Park, Summit Loop Trail just above the Eucalyptus grove N of the road from the parking area, NE-facing slope 238 Comment
  CAS-BOT-BC150056  Holodiscus discolor var. discolor A. D. E. Elmer 1903-6-1 4274 San Mateo San Mateo Comment
  JROH3695  Holodiscus discolor var. discolor John Hunter Thomas 1981-4-27 20500 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3702  Holodiscus discolor var. discolor John Hunter Thomas 1991-5-17 25054 San Mateo Jasper Ridge Biological Preserve, Stanford University. Woodland between dam and San Francisquito Creek near pump house Comment
  RSA6305  Hordeum brachyantherum D. D. Keck 1965-5-6 1465 San Mateo Belmont Comment
  SEINET10610437  Hordeum brachyantherum subsp. brachyantherum Delzie Demaree 1932-5-8 Demaree 9106 San Mateo Spring Valley Road. Comment
  CAS-BOT-BC289537  Hordeum brachyantherum subsp. californicum Elizabeth McClintock; Paul Reeberg 1988-6-6 s.n. San Mateo Below Guadalupe Canyon Parkway 1/4 mile east of Carter Street, San Bruno Mountains 91 Comment
  CAS-BOT-BC289538  Hordeum brachyantherum subsp. californicum Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo Crocker Hills, San Bruno Mountain Comment
  JROH5231  Hordeum brachyantherum subsp. californicum W. Lennihan 1989-5-4 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Left of fire road F going north, across from experimental tall poles. Comment
  POM295720  Hordeum depressum Lyman Benson 1930-5-12 2125 San Mateo Stanford University. 152 Comment
  SBBG33373  Hordeum marinum subsp. gussoneanum A. D. E. Elmer -May-1901 1660 San Mateo Cooley's [Cooley] Landing Comment
  CAS-BOT-BC289394  Hordeum murinum subsp. glaucum George Oberlander 1950-4-22 798 San Mateo South boundary, San Francisco Watershed Reserve Comment
  JROH5256  Hordeum murinum subsp. leporinum John H. Thomas 1967-5-12 12881 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5260  Hordeum murinum subsp. leporinum Winkie Lennihan 1989-4-6 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lab Comment
  JROH5671  Hordeum murinum subsp. leporinum John Rawlings 2013-4-10 1129 B San Mateo Jasper Ridge Biological Preserve, Stanford University. Where the brick path ends at the visitor parking lot of the Sun Field Station. 119 Comment
  CAS-BOT-BC271352  Hordeum vulgare John H. Thomas 1971-4-25 15793 San Mateo Intersection of Interstate 280 and Sand Hill Road behind Stanford Univ. Campus Comment
  CAS-BOT-BC271353  Hordeum vulgare J. H. Thomas 1962-5-12 9862 San Mateo Franklin Point, about sea level 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
  UC1536910  Horkelia californica Gordon H. True Jr. 1936-6-14 508 San Mateo Canyon s Salada Beach 304 Comment
  OBI10116  Horkelia californica Lewis S. Rose 1966-8-20 66086 San Mateo San Bruno Mtn. Head of Colma Cyn 206 Comment
  POM250804  Horkelia californica D. D. Keck 1939-7-1 5008 San Mateo 3 miles S of Pescadero, 1 mile from the ocean. 61 Comment
  JROH3703  Horkelia californica var. californica John Rawlings 2013-5-21 1163 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along short lateral from Trail 12 to old quarry. 109 Comment
  JEPS101839  Horkelia cuneata subsp. sericea Dean W. Taylor 2000-4-25 17450 San Mateo 1.5 air mi E of Half Moon Bay; Frenchmans Creek, Apanilio Creek 160 Comment
  UCD128238  Hydrocotyle sibthorpioides O. M. Scott and Sons 1950-4-10 s.n. San Mateo San Mateo. 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
  CAS-BOT-BC166763  Hypericum anagalloides Peter Rubtzoff 1976-6-30 8704 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  CAS-BOT-BC400967  Hypericum anagalloides Philip Wheeler 1965-6-16 s.n. San Mateo San Bruno Mountains. In Colma Canyon Comment
  CAS-BOT-BC311392  Hypochaeris glabra John H. Thomas 1958-3-19 7051 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco 91 Comment
  CAS-BOT-BC311395  Hypochaeris glabra Fred Hemphill 1973-5-14 820 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  JROH915  Hypochaeris glabra John H. Thomas 1967-5-10 12859 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA18313  Hypochaeris glabra C. B. Wolf 1927-7-14 598 San Mateo Summit of Kings Mountain Rd. Comment
  CAS-BOT-BC311479  Hypochaeris radicata J. H. Thomas 1949-10-16 1155 San Mateo Just north of outlet of San Gregorio Creek Comment
  JROH932  Hypochaeris radicata John Hunter Thomas 1981-7-24 20733 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH941  Hypochaeris radicata John Hunter Thomas 1989-5-9 24716 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD39734  Hypochaeris radicata Edith A. Purer 1933-7-27 5342 San Mateo Pigeon Point Comment
  UC1069670  Hypochaeris radicata N. K. Carlson 1935-6-29 109 San Mateo 1 mi s Pescadero; Santa Cruz Quad. Comment
  CAS-BOT-BC311484  Hypochaeris radicata George Oberlander 1949-4-17 55 San Mateo San Francisco Watershed Reserve. On top of Sawyer Ridge Comment
  OBI33307  Ilex aquifolium Marcia Meissner 1965-5-7 5 San Mateo Growing in garden at 139 Scenic Dr., Redwood City Comment
  CDA34446  Iris douglasiana M. Beyers, Z. Bakman, L. Feely, & D. Sozanni 2011-4-4 877 San Mateo Pacifica: San Pedro Valley County Park, along Brooks Creek Trail. 148 Comment
  JROH5615  Iris douglasiana John Rawlings 2014-4-11 1218 San Mateo Jasper Ridge Biological Preserve, Stanford University; confluence of Bear and San Francisquito creeks just east of the terminus of Trail 20 growing at edge of the steep bank of San Francisquito Creek. 82 Comment
  SEINET4170681  Iris douglasiana Unknown 1925-3-27 San Mateo Burlingame. Comment
  UC1252086  Iris douglasiana J. H. Thomas 1959-4-4 7656 San Mateo about 0.7 mi s Gazos Creek (about 6.5 mi s-ward from Pescadero) 45 Comment
  CAS-BOT-BC133654  Iris longipetala W. R. Dudley 1894-3-1 s.n. San Mateo Near South San Francisco Comment
  CAS-BOT-BC133670  Iris longipetala Walter Knight; Irja Knight 1964-1-15 508 San Mateo South slope, Colma Canyon Comment
  POM168969  Iris macrosiphon A. D. E. Elmer 1903-05 4503 San Mateo Portola Comment
  RSA185842  Iris missouriensis John H. Thomas 1954-5-28 4240 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco. 30 Comment
  RSA32647  Iris missouriensis Carl B. Wolf 1943-3-3 11443 San Mateo Visitation Point, along the Bayshore Highway, just north of community of Brisbane 61 Comment
  JROH4428  Iris pseudacorus J. H. Thomas 1958-5-11 7165 San Mateo Jasper Ridge Biological Preserve, Stanford University. Growing along edge of Searsville Lake Comment
  UC184381  Isocoma menziesii var. vernonioides Harriet A. Walker 1915-9-19 3833 San Mateo near Uncle Tom's Cabin; road to Burlingame Comment
  CAS-BOT-BC57728  Isoetes howellii W. R. Dudley 1910-5-26 s.n. San Mateo Coal Mine Ridge, near Black Mountain Comment
  CAS-BOT-BC112616  Isolepis cernua J. Clausen 1939-7-1 1745 San Mateo Ano Nuevo Point, in depressions in stabilized dunes. Comment
  CAS-BOT-BC112620  Isolepis cernua W. R. Dudley 1896-4-18 s.n. San Mateo Pebble Beach pasture, Pescadero Comment
  SEINET7589113 Image available Isolepis cernua E. B. Copeland 1903-5-24 3258 San Mateo Montara Point. Comment
  CAS-BOT-BC102322  Juglans hindsii D. E. Breedlove 1973-9-26 35553 San Mateo Pescadero Creek County Park 365 Comment
  CAS-BOT-BC102323  Juglans hindsii Ed Holm; Field Biol. Class, San Mateo High School 1984-7-24 s.n. San Mateo In creekbed of San Mateo Creek next to Polhemus Rd. just before it joins Crystal Springs Rd. and about 100 yds. below Comment
  JROH2771  Juglans hindsii John H. Thomas 1976-11-5 18432 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low flow crossing Comment
  JROH2774  Juglans hindsii John H. Thomas 1980-11-18 20174 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  SEINET8544724  Juncus bufonius Charles Piper Smith 1905-4-1 728 San Mateo Stanford Univ. Roadside near Stockfarm bridge. Comment
  JROH4457  Juncus bufonius var. occidentalis John H. Thomas 1955-5-6 4986 San Mateo Jasper Ridge Biological Preserve, Stanford University. Open serpentine area on top of ridge and adjacent grassy slopes Comment
  CAS-BOT-BC173814  Juncus effusus var. brunneus Peter Rubtzoff; Roman Gankin 1975-9-11 8372 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  RSA786663  Juncus effusus var. brunneus Peter Rubtzoff, Roman Gankin 1975-9-11 8372 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  CAS-BOT-BC176164  Juncus effusus var. pacificus Peter Rubtzoff; Roman Gankin 1975-9-11 8373 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  POM259791  Juncus lescurii I. L. Wiggins, Roxana S. Ferris 1939-8-2 9289 San Mateo Ano Nuevo Point Comment
  SD260863  Juncus lescurii Peter Rubtzoff 1976-6-30 8708 San Mateo San Bruno Mountain; Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Westernmost part of the area on slope across fence. Comment
  UCD164095  Juncus occidentalis Peter Rubtzoff 1978-5-18 9170 San Mateo San Bruno Mountians.'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Marshy area northwest of Fog Forest. Comment
  RSA368314  Juncus patens J. Doty 1969-3-26 599 San Mateo San Mateo County: 100 yards E of jct Hwy 35 & 92, near summit of Caost Range, San Francisco Peninsula. Comment
  CAS-BOT-BC210050  Juncus phaeocephalus Peter Rubtzoff 1978-7-8 9229 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC210074  Juncus phaeocephalus Peter Rubtzoff 1980-8-4 9562 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Westernmost part of the area on slope across fence. Comment
  CAS-BOT-BC154127  Juncus phaeocephalus var. paniculatus Peter Rubtzoff 1979-7-26 9298 San Mateo San Bruno Mountain. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  JROH4520  Juncus xiphioides John Hunter Thomas 1983-5-31 22317 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near boat dock Comment
  JROH4521  Juncus xiphioides Toni Corelli 2009-7-22 352 San Mateo Jasper Ridge Biological Preserve, Stanford University. South of Road B, Below Dennis Martin Marker site in San Francisquito Creek 71 Comment
  JROH4043  Kickxia spuria John H. Thomas 1976-10-16 18422 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low flow crossing Comment
  JROH4042  Kickxia spuria H. J. Dengler 1965-8-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; in S.F. Creek bed just below N. bend Comment
  CAS-BOT-BC508359  Kniphofia Elizabeth McClintock; Paul Reeberg 1989-8-19 s.n. San Mateo Edge of P.G.&E. marsh, San Bruno Mountains Comment
  JROH5264  Koeleria macrantha John H. Thomas unspecified s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU15768  Koeleria macrantha Toni Corelli 2010-4-16 615 San Mateo Pedro Point Headlands, Pacifica CA. Off of South Ridge Road Trail 180 Comment
Read comments Sep 10 2021
  UC501383  Koeleria macrantha David D. Keck 1932-5-6 1476 San Mateo above Millbrae Highlands; above Millbrae Highlands Comment
  CAS-BOT-BC273730  Koeleria pyramidata Elizabeth McClintock 1963-6-9 s.n. San Mateo San Bruno Mountain. Slope below parking lot Comment
  CAS-BOT-BC272319  Lachnagrostis filiformis John Thomas Howell 1954-6-1 s.n. San Mateo Pulgas Water Temple, near southern end of Lower Crystal Springs Reservoir Comment
  JROH944  Lactuca saligna John H. Thomas 1959-8-22 8074 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC341631  Lagophylla ramosissima Margaret A. Barry 1937-6-22 168 San Mateo Coal Mine Ridge Comment
  JROH961  Lagophylla ramosissima John H. Thomas 1969-5-28 15087 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH964  Lagophylla ramosissima John Hunter Thomas 1983-6-2 22331 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5638  Lapsana communis John Rawlings 2014-6-2 1250 San Mateo Jasper Ridge Biological Preserve, Stanford University. Bear Creek and Preserve Boundary. 87 Comment
  UCR121559  Lapsana communis George K. Helmkamp, E. A. Helmkamp 1999-6-28 4977 A San Mateo Pescadero Creek Watershed, Pescadero Road just north of Loma Mar 107 Comment
  UCSC005963  Lasthenia Randall Morgan 1995-6-6 2729 San Mateo Common at N part of Bean Hollow State Beach Comment
  CAS-BOT-BC339059  Lasthenia californica H. L. Mason 1921-6-1 s.n. San Mateo Pebble Beach near Pescadero Comment
  CAS-BOT-BC339066  Lasthenia californica John Thomas Howell 1933-5-3 11204 San Mateo San Bruno Hills Comment
  CAS-BOT-BC339073  Lasthenia californica A. D. E. Elmer 1903-4-1 4738 San Mateo San Bruno Hills Comment
  CAS-BOT-BC339075  Lasthenia californica Margaret A. Barry 1937-5-1 37 San Mateo Coal Mine Ridge Comment
  CHSC24835  Lasthenia californica B. A. Rosene 1976-4-18 2 San Mateo Ca. 2.4 km nw of entrance to Calif. State Game Refuge. 182 Comment
  POM288356  Lasthenia californica Lyman Benson 1931-3-15 2645 San Mateo Emerald Lake; Redwood City; Mt. Range: Santa Cruz; Watershed: San Francisco Bay 152 Comment
  JEPS20311  Lasthenia californica subsp. californica Lewis S. Rose 1956-5-28 56081 San Mateo Skyline Blvd. w San Mateo 182 Comment
  UC90022  Lasthenia californica subsp. californica Alice Eastwood 1901-5-19 San Mateo Blenheim Comment
  CAS-BOT-BC360402  Lasthenia glabrata var. glabrata Ned Cahill 1974-4-18 130 San Mateo Near intersection of Canada and Edgewood Roads, about 3 mi westward from Redwood City. Comment
  JROH5938  Lasthenia gracilis John Rawlings 2017-2-27 1960 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Rd F in Serpentine prairie midway between oak island and trail 9 intersection 183 Comment
  SJSU15210  Lasthenia gracilis Teri Barry 2010-4-23 San Mateo Jasper Ridge Biological Preserve northwest of Trail 9 near the intersection of Road F and Trail 9. 189 Comment
  CAS-BOT-BC368184  Lasthenia minor John H. Thomas 1967-5-7 12834 San Mateo Pigeon Point. Altitude about sea level. Near Lighthouse. Comment
  UCD106475  Lathyrus vestitus A. A. Heller 1907-4-20 8454 San Mateo San Bruno Hills. Comment
  JROH2033  Lathyrus vestitus var. vestitus John Hunter Thomas 1978-4-20 19083 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC323177  Layia chrysanthemoides C. F. Baker no date on label 1894 San Mateo San Bruno Hills Comment
  CAS-BOT-BC323178  Layia chrysanthemoides Elizabeth McClintock; Paul Reeberg 1987-5-31 s.n. San Mateo San Bruno Mountains. Comment
  CAS-BOT-BC321064  Layia gaillardioides A. A. Heller 1907-5-23 8556 San Mateo Back of San Mateo on the Half Moon Bay road Comment
  CAS-BOT-BC321090  Layia gaillardioides James I. McMurphy 1909-5-26 s.n. San Mateo Above La Honda Comment
  UC30641  Layia gaillardioides Ivar Tidestrom 1894-5-1 San Mateo Comment
  CAS-BOT-BC327361  Layia hieracioides David D. Keck 1932-6-1 1796 San Mateo Above Searsville Lake, on La Honda road, E slope of Santa Cruz Mountains Comment
  CAS-BOT-BC327452  Layia hieracioides David D. Keck 1932-6-1 1796 San Mateo Above Searsville Lake, on La Honda road, E slope of Santa Cruz Mountains Comment
  JEPS82095  Layia hieracioides Rimo Bacigalupi with Jim Roof and L. Heckard 1961-4-24 7621 San Mateo lateral ridge below and se of end of paved ridge-top road just e KRON television tower and station (Guadalupe Valley side of mt.); San Bruno Mountain 304 Comment
  JROH983  Layia hieracioides John H. Thomas 1958-5-10 7158 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH990  Layia hieracioides John Hunter Thomas 1983-4-21 21636 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM53350  Layia hieracioides C. F. Baker 1902-5-4 742 San Mateo Woodside. Comment
  CAS-BOT-BC327455  Layia hieracioides David D. Keck 1933-5-11 2306 San Mateo Skyline Boulevard, east of Salada, northern San Mateo County. Comment
  RSA0036458  Layia hieracioides Peter Rubtzoff 1978-7-8 9221 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. In East Fork Colma Creek Canyon area. Comment
  CAS-BOT-BC382096  Layia platyglossa John H. Thomas 1961-5-7 9266 San Mateo San Bruno Mountainin northern part of county. 396 Comment
  JROH991  Layia platyglossa John H. Thomas 1955-5-6 4085 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-BC382079  Layia platyglossa A. D. E. Elmer 1903-4-1 5022 San Mateo Crystal Srpings Lake Comment
  CAS-BOT-BC382084  Layia platyglossa J. I. McMurphy 1906-5-8 s.n. San Mateo Santa Cruz Mountain Peninsula: Between Schoolhouse and Head of Crystal Springs Lakes Comment
  CAS-BOT-BC382217  Layia platyglossa David D. Keck 1932-6-18 1980 San Mateo Skyline Blvd. at Langley HIll (SW of Stanford Unviersity) 600 Comment
  CAS-BOT-BC382218  Layia platyglossa David D. Keck 1932-5-6 1491 San Mateo East side of Crystal Springs Lake 60 Comment
  CAS-BOT-BC382221  Layia platyglossa Donald A. Johansen 1932-5-21 687 San Mateo 1/2 mile north of Pigeon Point lighthouse. Comment
  SEINET10879172  Layia platyglossa John T. Middleton 1937-4-10 Middleton s.n. San Mateo San Mateo Co., Ca. Comment
  POM284976  Layia platyglossa subsp. campestris Arthur L. Cohen 1935-4-21 624 San Mateo Jasper Ridge; Mt.Range: Coast; Watershed: Searsville. 183 Comment
  RSA10278  Layia platyglossa subsp. platyglossa H. A. Barker 1927-5-14 659 San Mateo North of Half Moon Bay. Comment
  JROH4533  Lemna minor John H. Thomas 1970-4-4 15539 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake at dam Comment
  JROH2786  Lepechinia calycina John H. Thomas 1959-2-1 7515 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC89216  Lepidium draba Sister Anna 1950-4-1 s.n. San Mateo Belmont Academy. Comment
  JROH1538  Lepidium nitidum E. A. McGregor 1907-2-10 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1545  Lepidium nitidum John H. Thomas 1974-4-13 17146 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC10674  Lepidium nitidum Mrs. Brandegee 1892-4-9 San Mateo South San Francisco 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-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-BC12953  Lepidium strictum John Thomas Howell 1955-5-5 s.n. San Mateo 700 block of Bromfield Road, Burlingame. Comment
  CAS-BOT-BC226538  Leptosiphon acicularis Margaret A. Barry 1937-5-1 46 San Mateo On Coal Mine Ridge Comment
  CAS-BOT-BC226597  Leptosiphon ambiguus James McMurphy 1906-5-8 s.n. San Mateo Head of Crystal Springs Lakes Comment
  CAS-BOT-BC226598  Leptosiphon ambiguus C. F. B. 1902-5-4 753 San Mateo Woodside Comment
  CAS-BOT-BC226600  Leptosiphon ambiguus J. H. Thomas 1949-4-1 214 San Mateo West of Redwood City Comment
  POM282346  Leptosiphon ambiguus Lyman Benson 1931-3-15 2646 San Mateo Emerald Lake, Redwood City Comment
  RSA128501  Leptosiphon ambiguus James I. McMurphy 1906-5-8 s.n. San Mateo Head of Crystal Springs Lake Comment
  CAS-BOT-BC226724  Leptosiphon androsaceus Adele Lewis Grant 1917-5-6 936 San Mateo Pescadero Comment
  RSA18460  Leptosiphon androsaceus C. B. Wolf 1927-6-29 547 -A San Mateo Along coast south of Pebble Beach near Pescadero. Comment
  SD3903  Leptosiphon androsaceus U. S. Grant IV Jun 1925 San Mateo Burlingame Comment
  CAS-BOT-BC226624  Leptosiphon grandiflorus W. R. Dudley 1896-7-30 s.n. San Mateo Summit of hill just beyond La Honda Comment
  JROH3189  Leptosiphon parviflorus John H. Thomas 1961-4-8 9077 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA0103660  Leptosiphon parviflorus Arthur L. Cohen 1935-4-21 629 San Mateo Jasper Ridge, Stanford U. Santa Cruz Range; San Francisco Bay watershed. 152 Comment
  CAS-BOT-BC324067  Lessingia arachnoidea W. R. Dudley 1896-11-15 s.n. San Mateo Near Crystal Srings Reservoir, Santa Cruz Mountains Comment
  CAS-BOT-BC325498  Lessingia arachnoidea L. R. Abrams 1902-9-2 2996 San Mateo Crystal Lake 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
  POM263773  Lessingia arachnoidea L. S. Rose 1941-9-6 41434 San Mateo San Mateo Canyon 90 Comment
  RSA114147  Lessingia arachnoidea P. H. Raven 1957-9-1 s.n. San Mateo Along Skyline Blvd. at Woodside Road Comment
  SBBG39542  Lessingia arachnoidea L. S. Rose 1970-7-26 70077 San Mateo Skyline Blvd., Hillsborough, Black Mtn 121 Comment
  UC1280011  Lessingia arachnoidea Peter H. Raven 1957-9-1 11301 San Mateo along Skyline Boulevard at Woodside Road Comment
  SJSU15428  Lessingia germanorum Toni Corelli 2011-9-14 720 a San Mateo Northeast of Hillside Park, above houses 107 Comment
  JROH1018  Lessingia glandulifera var. glandulifera John Hunter Thomas 1981-5-19 20608 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1026  Lessingia glandulifera var. glandulifera John Hunter Thomas 1988-5-5 24450 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET7063128  Lessingia glandulifera var. pectinata A. G. Vestal 1963-7-12 s.n. San Mateo Jasper Ridge. UTM Zone 10, 568418mE, 4140415mN. (WGS84/NAD83). 174 Comment
  CAS-BOT-BC324177  Lessingia hololeuca Ned Cahill 1974-8-26 370 San Mateo near the intersection of Canada and Edgewood roads, about 3 miles westward from Redwood City Comment
  CAS-BOT-BC324178  Lessingia hololeuca Ned Cahill 1974-10-8 381 San Mateo near the intersection of Canada and Edgewood roads, about 3 miles westward from Redwood City Comment
  JROH1035  Lessingia hololeuca John Hunter Thomas 1982-9-23 21164 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM361825  Lessingia hololeuca L. S. Rose 1936-9-19 s.n. San Mateo Crystal Springs Lake 152 Comment
  POM57787  Lessingia hololeuca L. R. Abrams 1900-10 1004 San Mateo Porlota (?) Comment
  RSA51399  Lessingia hololeuca L. S. Rose 1949-8-14 s.n. San Mateo Emerald Lake, W of Redwood City Comment
  SEINET7063127  Lessingia hololeuca A. G. Vestal 1963-7-12 s.n. San Mateo Jasper Ridge. UTM Zone 10, 568418mE, 4140415mN. (WGS84/NAD83). 174 Comment
  UCD134052  Lessingia hololeuca Lewis S. Rose 1964-9-5 64072 San Mateo Emerald Lake, west of Redwood City. 152 Comment
  JROH5970  Lessingia pectinata var. tenuipes John Rawlings 2017-6-5 2099 San Mateo Jasper Ridge Biological Preserve, Stanford University. Growing on verge of Road F through chaparral, 50 yards south of its intersection with Road E 152 Comment
  CAS-BOT-BC342092  Leucanthemum vulgare John H. Thomas 1964-6-19 10424 San Mateo 0.9 miles south of Tunitas Creek near Coast Highway 60 Comment
  CAS-BOT-BC342095  Leucanthemum vulgare John Thomas Howell 1949-7-4 25356 San Mateo On Skyline Blvd., north of Millbrae Comment
  CAS-BOT-BC272288  Leymus X multiflorus W. R. Dudley 1909-10-10 s.n. San Mateo Just west of Belmont Sta., Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC283695  Leymus condensatus Elizabeth McClintock; Paul Reeberg 1989-5-24 s.n. San Mateo San Bruno Mountains. At Shearwater, near Bayshore Blvd 7 Comment
  JEPS71196  Leymus mollis subsp. mollis William S. Cooper 1925-5-28 9 San Mateo Miramar Comment
  CAS-BOT-BC436530  Ligusticum apiifolium Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo San Bruno Mountain, below parking lot Comment
  SEINET6633381  Ligusticum apiifolium A. D. E. Elmer 1903-1 4803 San Mateo San Mateo Comment
  JROH4689  Lilium pardalinum subsp. pardalinum John Hunter Thomas 1989-6-17 24776 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek Comment
  CHSC114258  Limonium ramosissimum Michael Perlmutter 2011-6-15 San Mateo Burlingame, Sanchez Marsh. Comment
  JROH4058  Limosella acaulis John Hunter Thomas 1982-8-13 21136 San Mateo Jasper Ridge Biological Preserve, Stanford University. Lake edge and in water Comment
  UC1278836  Limosella acaulis J. Clausen 1939-7-1 1744 San Mateo Ano Nuevo Point Comment
  JROH5853  Limosella acaulis Herb Dengler 1982-11-6 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; beach below old hamburger stand, Searsville Lake Comment
  CAS-BOT-BC238360  Limosella aquatica J. Clausen 1939-7-1 1744 San Mateo Ano Nuevo Point Comment
  UC205782  Linanthus ambiguus C. F. Baker 1902-5-4 751 San Mateo Woodside Comment
  SEINET8729325 Image available Linanthus androsaceus subsp. croceus Herbert L. Mason 1935-1 8315 San Mateo Pebble Beach, Pescadero Comment
  UC23690  Linanthus liniflorus J. Burtt Davy 1895-4-20 1071 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC436217  Lithophragma heterophyllum John H. Thomas 1961-5-14 9361 San Mateo Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. San Francisco Watershed Reserve. 152 Comment
  CAS-BOT-BC436221  Lithophragma heterophyllum Ira L. Wiggins 1928-4-14 2900 San Mateo Alpine Creek Road Comment
  UC858160  Lithophragma heterophyllum Lewis S. Rose 1939-4-12 39062 San Mateo Crystal Springs Lake 152 Comment
  CAS-BOT-BC436218  Lithophragma heterophyllum Le Roy Abrams 1901-3-1 1154 San Mateo Portola Comment
  UCD18543  Lobularia maritima Roman Gankin 1950-7-8 11 San Mateo city of Menlo Park, Hermosa Way, along roadside. 30 Comment
  CAS-BOT-BC342309  Logfia filaginoides Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mountain. South Power Line Ridge Comment
  CAS-BOT-BC342468  Logfia gallica J. H. Thomas 1961-5-14 9388 San Mateo Southern part of San Francisco Watershed Reserve near Roth Estate 152 Comment
  JROH734  Logfia gallica John H. Thomas 1971-5-30 15961 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC342467  Logfia gallica Peter H. Raven 1950-6-3 2198 San Mateo Along Millbrae Ave., Millbrae 60 Comment
  JROH731  Logfia gallica John H. Thomas 1967-5-10 12839 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM132621  Lomatium caruifolium C. F. Baker 1902-3-30 426 San Mateo Crystal Springs Lake Comment
  UC21261  Lomatium caruifolium var. caruifolium Alice Eastwood April 1896 San Mateo on rd. to Crystal Springs Comment
  UC21264  Lomatium caruifolium var. caruifolium Alice Eastwood April 1896 San Mateo Crystal Springs Comment
  UCD127627  Lomatium dasycarpum Lewis S. Rose 1965-4-22 65027 San Mateo San Bruno Mountain, south of parking lot. 365 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
  JEPS23880  Lomatium dasycarpum subsp. dasycarpum Le Roy Abrams 1902-5-11 2447 San Mateo Crystal Springs Lake Comment
  JROH263  Lomatium dasycarpum subsp. dasycarpum John H. Thomas 1973-4-20 16582 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH257  Lomatium dasycarpum subsp. dasycarpum John H. Thomas 1963-3-2 10027 San Mateo Jasper Ridge Biological Preserve, Stanford University; north side of ridge near Westridge end Comment
  JROH281  Lomatium macrocarpum John H. Thomas 1975-5-26 17915 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA119854  Lomatium macrocarpum W. R. Dudley 1894-4-21 s.n. San Mateo San Mateo Ravine below dam Comment
  POM132877  Lomatium vaginatum A. D. E. Elmer 1903-04 4794 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC240586  Lonicera hispidula A. D. E. Elmer 1903-6-1 4255 San Mateo Crystal Springs Lake Comment
  JROH1660  Lonicera hispidula John Hunter Thomas 1981-5-25 20639 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1664  Lonicera hispidula John Hunter Thomas 1989-5-9 24721 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SFV3590  Lonicera hispidula K. A. Wilson 1961-6-24 1237 San Mateo Santa Cruz Mountains Skyline Blvd. (California Highway 5). 625 Comment
  RSA6423  Lonicera hispidula var. vacillans D. D. Keck 1932-8-13 1753 San Mateo Alpine Creek Road above Rolph's Ranch, east slope of Santa Cruz Mtns. 549 Comment
  CAS-BOT-BC241550  Lonicera involucrata var. ledebourii Elsie Zeile 1911-3-30 s.n. San Mateo S. San Francisco Comment
  CAS-BOT-BC243960  Lonicera involucrata var. ledebourii Alice Eastwood 1914-3-12 3756 San Mateo San Bruno Hills Comment
  POM250690  Lonicera involucrata var. ledebourii D. D. Keck 1938-5-30 4726 San Mateo San Gregorio. 30 Comment
  UC729847  Lonicera involucrata var. ledebourii Carl B. Wolf 1929-5-25 3733 San Mateo 2 mi from Pescadero; Alpine Creek Comment
  UCSC000720  Lonicera involucrata var. ledebourii G. E. Sindel 1935-8-7 325 San Mateo 0.75 mile S. of Pomponio Creek Pomponio Creek - Santa Cruz 107 Comment
  SFV4289  Lotus corniculatus J. Turner, F. M. Ball 1962-7-7 s. n. San Mateo Highway 1, almost 10 miles north of Santa Cruz County line Open roadside. 30 Comment
  SEINET2062208 Image available Lotus formosissimus C. W. Sharsmith 1947-4-13 6758 San Mateo Near Pescadero Beach, vicinityof Pescadero Point. 50 Comment
  UC311112  Lotus formosissimus A. D. E. Elmer Apr 1903 4860 San Mateo Lake San Andreas Comment
  JEPS55903  Lotus scoparius Dr. L. M. Newlon 1921-7-30 249 San Mateo Salada Comment
  UC311102  Lotus scoparius A. D. E. Elmer 1903-6-1 4447 San Mateo Belmont Comment
  SEINET12151380  Lotus stipularis Unknown 1932-1 9152 San Mateo rd to Kings Mt Comment
  RSA132358  Lotus wrangelianus John H. Thomas 1955-5-6 4991 San Mateo Jasper Ridge about 3.5 miles southwest of Stanford University. 152 Comment
Read comments Sep 19 2011
  JROH5564  Lupinus affinis John Rawlings 2013-4-2 1160 San Mateo Jasper Ridge Biological Preserve, Stanford University. Ten meters east of Westridge Creek at base of rock outcrop near South Boundary Chia site. 162 Comment
  POM77734  Lupinus affinis C. P. Smith 1921-4-9 3290 San Mateo San Mateo Canyon Comment
  SEINET10488379  Lupinus albifrons Charles Piper Smith 1948-4-23 Smith 48150 San Mateo Canada road 4 miles n of woodside Comment
  SEINET10488443  Lupinus albifrons Charles F. Baker 1902-5-4 Baker UMO 71685 San Mateo Crystal spring. Open sides of gulches, 9-18 dm high Comment
  CAS-BOT-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-BC196116  Lupinus albifrons var. collinus A. D. E. Elmer 1903-5-1 4642 San Mateo San Bruno Hills Comment
  RSA800198  Lupinus albifrons var. collinus Robert F. Thorne, Percy C. Everett 1963-6-9 32209 San Mateo On top of San Bruno Mountain, near TV tower. 335 Comment
  UC201916  Lupinus albifrons var. collinus A. D. E. Elmer May, 1903 464 j San Mateo San Bruno Hills Comment
  UCSB12361  Lupinus arboreus Breedlove, Dennis 1961-6-18 San Mateo 3 miles south of road to Half Moon Bay, on U.S. 5 365 Comment
  SEINET10488484  Lupinus arboreus Walter Knight, Irja Knight 1964-5-4 Knight s.n. San Mateo San bruno mountains. Nell pubescent from claw to tip. Colma canyon Comment
  SEINET11548753  Lupinus arboreus Univ. of Calif. Bot. Gard. 1974-1 list 17 - 43 San Mateo San Mateo Co.;;;; 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
  UC1601763  Lupinus arboreus var. eximius P. B. Kennedy May, 1917 San Mateo Spring Valley Water Co. Comment
  JROH2114  Lupinus bicolor John H. Thomas 1974-4-4 17076 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1303121  Lupinus bicolor James McMurphy 1911-4-22 San Mateo near Stanford University Stanford Park; , Stanford Park Comment
  UCD107181  Lupinus bicolor A. A. Heller 1907-4-20 8451 San Mateo near Lake Merced. Comment
  RSA18505  Lupinus bicolor subsp. pipersmithii Carl B. Wolf 1927-7-14 615 San Mateo Summit of Kings Mountain Rd. Comment
  POM10642  Lupinus bicolor subsp. tridentatus C. F. Baker 1903-4-8 1921 San Mateo San Andreas Lake Comment
  SEINET12154504  Lupinus densiflorus E. A. Purer 1933-1 5512 San Mateo along Skyline Drive Comment
  RSA212136  Lupinus densiflorus var. densiflorus L. S. Rose 1970-5-9 70038 San Mateo Chateau Drive near Skyline, Hillsborough. 91 Comment
  POM11073  Lupinus densiflorus var. palustris A. D. E. Elmer 1903-05 4847 San Mateo Lake San Andreas. Comment
  UC864963  Lupinus formosus Alice Eastwood, John Thomas Howell 1938-6-26 6075 San Mateo above La Honda; above La Honda Comment
  POM276449  Lupinus formosus var. formosus Lyman D. Benson 1932-7-25 3955 San Mateo Menlo Park. 30 Comment
  UC865157  Lupinus formosus var. formosus Alice Eastwood, John Thomas Howell 1938-6-26 6077 San Mateo Crystal Springs Lake Comment
  SEINET10490756  Lupinus formosus var. formosus Charles Piper Smith 1922-6-10 Smith 3548 San Mateo South san francisco-mountain road. Comment
  CAS-BOT-BC8331  Lupinus latifolius subsp. dudleyi W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Peninsula, Montara Mts., ear top of South grade Comment
  RSA6904  Lupinus latifolius subsp. latifolius Patterson, Wiltz 1907-7-2 s.n. San Mateo San Jose Canyon, Santa Cruz Mountains. Comment
  UC311176  Lupinus latifolius var. latifolius A. D. E. Elmer June, 1903 4593 San Mateo Woodside Comment
  JROH2137  Lupinus nanus John Hunter Thomas 1983-4-7 21334 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  UC1303142  Lupinus nanus L. R. Abrams 1926-4-19 San Mateo junction of Los Trancos and San Francisquito Creek; jct of Los Trancos and San Francisquito Creek Comment
Read comments Sep 26 2011
  JROH5865  Lupinus nanus John H. Thomas 1975-4-5 17716 B San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET5628417 Image available Lupinus nanus A. A. Heller 1907-4-20 8452 San Mateo Near Lake Merced. Comment
  UC15978  Lupinus nanus Ivar Tidestrom May 1894 San Mateo Comment
  POM276254  Lupinus vallicola subsp. apricus Lyman D. Benson 1930-5-1 2048 San Mateo Stanford Univ.; San Lorenzo mt. range. 122 Comment
  SEINET10490275  Lupinus vallicola subsp. apricus P. Wheeler 1966-5-1 Wheeler UMO 104189 San Mateo Crocker field industrial park. San bruno mtn. Large colony of blue flowered Lupines with many white flowered plants mixed in. Comment
  UC511346  Lupinus variicolor Lyman Benson 1931-3-3 2619 San Mateo Ocean Bluff Moss Beach, Ocean Bluff (Moss Beach) 30 Comment
  SEINET10969935  Lupinus variicolor Smith 1947-4-25 Smith 47180 San Mateo Skyline hwy 5, 1.4 mi s of old hwy 1 jct. Comment
  UCD109673  Lupinus variicolor P. B. Kennedy 1921-6-3 s.n. San Mateo back of Millbrae Ranch. Comment
  SEINET13198377 Image available Lupinus versicolor A. G. Vestal 1937-6-15 s.n. San Mateo Comment
  JROH4524  Luzula comosa var. comosa John H. Thomas 1967-4-20 12712 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4532  Luzula comosa var. comosa John Hunter Thomas 1983-2-21 21282 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC441269  Luzula macrantha Elmer I. Applegate 1895-3-9 753 San Mateo Near Woodside Comment
  CAS-BOT-BC441366  Luzula subsessilis Javier Penalosa 1963-3-30 2723 San Mateo San Bruno Mountain: North of Randolph Drive at Hillside Blvd in South San Francisco 91 Comment
  CAS-BOT-BC441373  Luzula subsessilis Ira L. Wiggins 1928-4-14 2907 San Mateo Alpine Creek Road Comment
  CAS-BOT-BC290600  Lythrum Peter Rubtzoff 1987-8-26 9837 San Mateo San Bruno Mountain, Saddle area on N side of Guadalupe Canyon. Parkway west of Radio Road junction; northwestern part of the area along old Guadalupe Road. Comment
  RSA0015076  Lythrum californicum L. R. Abrams 1901-09 2219 San Mateo Menlo Park, borders of Bay. Comment
  UC1191550  Lythrum hyssopifolia Malcolm A. Nobs, S. Galen Smith 1949-8-26 1578 San Mateo about 1 mi s of Half Moon Bay Comment
  UCR121493  Lythrum hyssopifolia George K. Helmkamp, E. A. Helmkamp 1999-6-28 4957 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
  JROH2954  Lythrum hyssopifolia John H. Thomas 1967-6-1 12955 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS79508 Image available Lythrum salicaria Edward Lee 1978-8-24 San Mateo Princeton Marsh Comment
  CAS-BOT-BC342589  Madia Cherie Wetzel 1969-7-28 994 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  RSA210921  Madia Cherie L. Wetzel 1969-7-28 994 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  SD49787  Madia capitata J. H. Thomas 1959-8-16 8064 San Mateo 2.0 miles soputhwest of Pescadero. 60 Comment
  CAS-BOT-BC343901  Madia elegans George Oberlander 1949-9-25 369 San Mateo San Francisco Watershed Reserve. North of San Andreas L. Comment
  HSC23936  Madia elegans Mary Katherine Wicksten 1971-7-22 185 San Mateo Huddart Park, by park entrance Comment
  JROH1048  Madia exigua John H. Thomas 1977-4-29 18570 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1052  Madia exigua John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1053  Madia exigua John Hunter Thomas 1981-5-19 20609 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC344486  Madia exigua H. A. Dutton 1900-5-6 s.n. San Mateo Santa Cruz Mountain Peninsula. Woodside Comment
  CAS-BOT-BC344521  Madia exigua R. E. Frenkel 1964-5-26 508 San Mateo On Portola Ridge Road, SFWD, 0.7 mile north of Sawyer Ridge Road 320 Comment
  JROH1069  Madia gracilis Oz Garton 1968-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1077  Madia gracilis John Hunter Thomas 1980-5-8 19946 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1090  Madia gracilis John Hunter Thomas 1987-5-19 24295 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1094  Madia gracilis John Hunter Thomas 1989-5-9 24710 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC343340  Madia gracilis James I. McMurphy 1909-5-25 s.n. San Mateo San Mateo Canyon Comment
  UCD134287  Madia gracilis W. A. Harvey; J. M. Tucker 1948-6-29 1703 San Mateo Beside road to Portola State Park, just west of junction with Highway 5 (Skyline Boulevard). Comment
  CAS-BOT-BC345110  Madia sativa J. H. Thomas 1963-7-19 10179 San Mateo Ano Nuevo Point Comment
  CAS-BOT-BC345126  Madia sativa Elizabeth McClintock; Carlyn Halde; Walter Knight; Walter Knight 1963-6-23 s.n. San Mateo San Bruno Mountain. Lower part of Colma Canyon Comment
  JROH1116  Madia sativa John Hunter Thomas 1988-10-17 24594 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET11810637  Madia sativa Unknown 1932-1 9191 San Mateo Los Francos Woods Comment
Read comments Nov 1 2021
  CAS-BOT-BC510723  Maianthemum dilatatum John H. Thomas 1961-5-7 9288 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC510725  Maianthemum dilatatum John H. Thomas 1961-5-7 9288 San Mateo San Bruno Mountain in northern part of county 396 Comment
  UCSB33561  Maianthemum racemosum Brownell, Kathleen 1979-3-27 San Mateo Gazoos Road; 0.6 miles from Highway 1; Near Butano State Park; Foothills of Santa Cruz Mountains 76 Comment
  CAS-BOT-BC512109  Maianthemum racemosum subsp. amplexicaule Fred Hemphill 1973-4-22 701 San Mateo San Carlos. Chaparral area north of Malabar Road and Melendy Drive 207 Comment
  SEINET12055170  Maianthemum racemosum subsp. amplexicaule R. S. Croker 1929-1 s.n. San Mateo Summit Jasper Ridge Comment
  HSC23889  Maianthemum stellatum Mary Katherine Wicksten 1971-7-2 146 San Mateo Huddart Park at Miwok area Comment
  SEINET3992466  Maianthemum stellatum Unknown 1950-4-6 1809 San Mateo Shaded canyon above Visitation Valley, San Bruno Mountains Comment
  POM223310  Malacothamnus arcuatus L. S. Rose 1935-6-11 s.n. San Mateo 3 miles W of Stanford University Comment
  UC18767  Malacothamnus davidsonii Alice Eastwood 1896-5-1 San Mateo Crystal Springs Comment
  UC614867  Malacothamnus fremontii Beryl O. Schreiber 1932-5-29 San Mateo near San Mateo (Spring Valley Water Company road) Comment
  CAS-BOT-BC204085  Malacothamnus hallii Alice Eastwood 1912-6-10 346 San Mateo Crystal Springs Comment
  CAS-BOT-BC540128  Malus domestica Elizabeth McClintock; Paul Reedberg 1988-4-14 s.n. San Mateo 80 feet east of SBM park entrance, along north side of Guadalupe Canyon Parkway; San Bruno Mountains 213 Comment
  JROH2966  Malva nicaeensis John H. Thomas 1970-7-5 15672 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR121494  Malva nicaeensis George K. Helmkamp, E. A. Helmkamp 1999-6-28 4959 San Mateo Coast Range; Santa Cruz Mtns, Sky Londa; junction of Calif. Hwy 84 and Calif. Hwy 35, 5 mi south of central Redwood City 457 Comment
  UC517461  Marah fabacea John Thomas Howell 1933-4-9 10970 San Mateo between Pescadero and Pigeon Pt. Comment
  UC1746100  Marah oregana Annetta Carter, Helen Sharsmith 1937-5-23 1319 San Mateo Just S of Crystal Springs Lake. Comment
  JROH619  Matricaria discoidea John Hunter Thomas 1977-6-16 18796 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
  JEPS51536  Meconella californica Ivar Tidestrom 1894-3-22 San Mateo Comment
  SJSU4256  Medicago lupulina E. J. Dalton 1962-10-7 39 San Mateo San Gregorio Cr 2 mi SW of La Honda Comment
  JROH2175  Medicago polymorpha John Hunter Thomas 1988-6-2 24499 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA788950  Medicago polymorpha Peter Rubtzoff 1977-4-16 8952 San Mateo San Bruno Mountains. Saddle area on N side of Guadalupe Canyon Parkway west of Radio Road junction, along W side of East Fork Colma Creek Canyon. Comment
  CAS-BOT-BC269477  Melica californica W. R. Dudley 1896-4-4 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Crystal Springs Comment
  JROH5299  Melica californica W. H. Lennihan 1990-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Right side of trail leading from serpentine hill to oak woodlands. Comment
  CAS-BOT-BC269478  Melica californica W. R. Dudley 1900-3-1 s.n. San Mateo Santa Cruz Mountain Peninsula. Fields East of Salida Valley Comment
  CAS-BOT-BC281409  Melica imperfecta W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. S slope of Montara Mt Comment
  CAS-BOT-BC264247  Melica torreyana Peter H. Raven 1950-6-3 2245 San Mateo Around San Andreas Lake Comment
  CAS-BOT-BC264248  Melica torreyana W. R. Dudley 1899-5-1 s.n. San Mateo Road from San Andreas Rs. to Pilarcitos, Santa Cruz Mountain Peninsula Comment
  JROH2179  Melilotus albus John H. Thomas 1976-10-16 18401 San Mateo Jasper Ridge Biological Preserve, Stanford University; in Searsville Lake at the mouth of Corte de Madera Creek Comment
  JROH2182  Melilotus indicus John H. Thomas 1965-5-12 10646 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC24045  Melilotus indicus Mary Katherine Wicksten 1971-6-15 12 San Mateo Huddart Park Rd. bank near office Comment
  JROH2797  Melissa officinalis John H. Thomas 1962-7-15 9919 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below dam Comment
  RSA217959  Mentha Phillip C. Wheeler 1965-7-7 s.n. San Mateo San Bruno Mountains; Crocker Avenue Comment
  JROH2828  Mentha X piperita John H. Thomas 1968-10-29 14856 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2816  Mentha pulegium John Hunter Thomas 1980-11-12 20163 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA177005  Mentha pulegium John H. Thomas 1964-11-29 10533 San Mateo Jasper Ridge Biological Experimantal Area, about 5 miles SW of Palo Alto; W end of Searsville Dam Comment
  JROH2806  Mentha pulegium John H. Thomas 1959-8-22 8079 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD96998  Mesembryanthemum nodiflorum Malcolm A. Nobs; S. Galen Smith 1949-8-27 1623 San Mateo E of Redwood City. Comment
  CAS-BOT-BC428902  Micranthes californica George Oberlander 1949-4-9 50 San Mateo San Francisco Watershed Reserve. Northern Sweeney Ridge Comment
  CAS-BOT-BC428905  Micranthes californica Elizabeth McClintock 1965-3-21 s.n. San Mateo San Bruno Mountain. 1/4 mi. e. of Brisbane power lines Comment
  JROH3907  Micranthes californica John Hunter Thomas 1981-4-5 20279 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek Comment
  RSA130390  Micropus californicus var. subvestitus W. R. Dudley 1906-5-13 s.n. San Mateo Open hills southwest of San Mateo Comment
  CAS-BOT-BC349015  Microseris douglasii subsp. douglasii A. D. E. Elmer 1903-5-1 4721 San Mateo Crystal Springs Lake Comment
  JROH1146  Microseris douglasii subsp. douglasii John Hunter Thomas 1981-5-8 20548 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC349036  Microseris douglasii subsp. douglasii Elizabeth McClintock 1978-4-11 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  UC92162  Microseris douglasii subsp. tenella C. F. Baker 1902-5-4 756 San Mateo Woodside Comment
  CAS-BOT-BC349192  Microseris elegans R. E. Frenkel 1964-5-26 512 San Mateo On Portola Ridge Road, SFWD, 0.7 mile north of Sawyer Ridge Road 320 Comment
  JEPS87275  Mimulus aurantiacus var. aurantiacus David M. Thompson 1992-6-3 1105 San Mateo 1.2 mi s Hwy. 35 (Skyline Blvd.) (along Hwy. 84 (La Honda Road)) 340 Comment
  JROH4076  Mimulus aurantiacus var. aurantiacus John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA218021  Mimulus aurantiacus var. aurantiacus Phillip Wheeler 1967-5-14 s.n. San Mateo East side of mountain, above Harold Ave., Brisbane. Grassy slope above Philip Wheeler's house. Comment
  UCR75957  Mimulus aurantiacus var. aurantiacus D. M. Thompson 1992-6-3 1105 San Mateo 1.2 mi south of Hwy 35 (Skyline Blvd) along Hwy 84 (La Honda Road) 378 Comment
  JROH4080  Mimulus cardinalis Carol Zabel 1989-8-11 26 San Mateo Jasper Ridge Biological Preserve, Stanford University; San Francisquito Creek bank, 100 feet upstream from low-flow crossing Comment
  UC886188  Mimulus grandis Alice Eastwood 1912-6-2 210 San Mateo Granada Comment
  JROH4084  Mimulus guttatus Robert Robertson 1954-4-23 99 San Mateo Jasper Ridge Biological Preserve, Stanford University 170 Comment
  RSA217981  Mimulus guttatus Walter Knight, I. Knight 1963-7-14 274 San Mateo Base of Quarry 2. San Bruno Mtn. Comment
  SEINET3159666  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
  JROH1699  Minuartia douglasii John H. Thomas 1967-5-10 12849 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM151741  Minuartia douglasii Edward L. Greene 1902-5-4 835 San Mateo Woodside. Comment
  CAS-BOT-BC388825  Minuartia douglasii Arthur Spiegler 1952-5-10 80 San Mateo Jasper Ridge above Searsville Lake 457 Comment
  CAS-BOT-BC388830  Minuartia douglasii W. R. Dudley 1897-6-5 s.n. San Mateo Santa Cruz Mountain Peninsula. Flat Rock, Waddell Creek Comment
  SJSU12767  Moehringia macrophylla S. L. Jones 1986-4-6 85 San Mateo saddle betweem San Pedro Mt & Montara Mt, Pacifica 274 Comment
  CAS-BOT-BC214070  Monardella villosa Charles Piper Smith 1908-5-31 1444 San Mateo San Mateo Canyon Comment
  CAS-BOT-BC214082  Monardella villosa Cherie Wetzel 1969-6-20 887 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  CAS-BOT-BC214085  Monardella villosa Josephine D. Randall 1907-6-8 179 San Mateo Portola Valley, Santa Cruz Peninsula Comment
  UC1314253  Monardella villosa subsp. franciscana C. W. O'Brien 1966-8-14 C- 66 -48 San Mateo Lake Pilarcitos 213 Comment
  UC1537603  Monardella villosa subsp. franciscana Gordon H. True Jr. 1936-6-14 513 San Mateo 1 mile from Skyline Blvd. on road to Salada Beach 182 Comment
  SEINET10928196  Monardella villosa subsp. franciscana A. Graff 1993-6-14 Graff 6 San Mateo 0.6 miles down Bean Hollow Road from its intersection with Pescadero Road, along right road cut. Windy, exposed, dry, steep, rocky cuts. Locally infrequent, with Artemisia californica, Baccharis pilularis, Mimulus aurantiacus, Eriophyllum stachaedifolium, Anaphalis margaritacea, Dudleya sp., Scrophularia californica, Eriogonum sp., grasses. Comment
  JROH1157  Monolopia gracilens Oz Garton 1968-4-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC729683  Montia fontana Carl B. Wolf 1929-4-29 3661 San Mateo 1 mi n of summit of La Honda (on Skyline Boulevard); Santa Cruz Mountains Comment
  CAS-BOT-BC444952  Montia fontana Carl B. Wolf 1929-4-29 3661 San Mateo Santa Cruz Mts. 1 mi. no of summit of La Honda Grade on Skyline Blvd. Comment
  CAS-BOT-BC444953  Montia fontana W. R. Dudley 1900-3-16 s.n. San Mateo Santa Cruz Peninsula. North of house just below King's Mt. house. Comment
  CAS-BOT-BC445195  Montia parvifolia W. R. Dudley 1895-6-6 s.n. San Mateo Santa Cruz Peninsula. By Pescadero Cr above Iversons. Comment
  UC119712  Muilla maritima C. F. Baker 1902-3-30 423 San Mateo Crystal Springs Lake Comment
  CDA31867  Myoporum laetum Robin Breckenridge, K. Filippini 2010-2-18 PDR# 1463755 San Mateo Miramar: Highway 1, next to Frenchman Creek. 0 Comment
  PGM4947  Myosotis discolor Vern Yadon 2002-5-2 San Mateo Swanton near San Mateo Co, Inland from 1st ridge Comment
Read comments Sep 15 2021
  RSA176826  Myosotis latifolia John H. Thomas 1961-5-5 9207 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Along San Francisquito Creek below Searsville Dam. 76 Comment
  CAS-BOT-BC166663  Myosotis latifolia Peter Rubtzoff 1977-4-16 8949 San Mateo San Bruno Mountains. Comment
  RSA120743  Myosotis latifolia S. S. Tillett, I. Sternback 1956-6-24 542 San Mateo Behind (n.) Portola Camp Store, just outside Portola State Park. 396 Comment
  CAS-BOT-BC101776  Myrica californica Ira L. Wiggins 1929-5-10 3678 San Mateo Roadside between Pigeon Point and Pescadero Comment
  JROH2692  Myriophyllum aquaticum John H. Thomas 1976-5-19 18143 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2693  Myriophyllum aquaticum John Hunter Thomas 1977-6-16 18782 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1236536  Myriophyllum spicatum J. H. Thomas 1955-12-6 5513 San Mateo 5 and 10 feet deep at the southern end of San Andreas Lake. Comment
  UCSB279  Najas guadalupensis McPherson, D. 1960-08 San Mateo Felt Lake; Stanford University foothills Comment
Read comments 1
  RSA128469  Nassella lepida J. T. Howell 1952-5-28 28316 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC260229  Nassella pulchra W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. S side of Montara Mountain Comment
  CAS-BOT-BC260234  Nassella pulchra A. D. E. Elmer 1903-6-1 4712 San Mateo Crystal Springs Lake Comment
  RSA176741  Nassella pulchra John H. Thomas 1963-3-20 10023 A San Mateo Jasper Ridge Biological Experimental Area, about five miles southwest of Palo Alto. Comment
  SBBG115413  Nassella pulchra B. Crampton 1962-6-11 6486 San Mateo ca. 5 mi W of Belmont, at jct of Ralston Ave and Skyline Blvd, Pulgas Ridge, along E side of lower Crystal Springs Reservoir Comment
  UC306628  Nassella pulchra A. D. E. Elmer June, 1903 4712 San Mateo Crystal Springs Lake Comment
  JROH1570  Nasturtium officinale John H. Thomas 1967-6-1 12979 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1571  Nasturtium officinale John H. Thomas 1973-6-15 16830 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1574  Nasturtium officinale John Hunter Thomas 1987-4-7 24177 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Dam Comment
  UC662623  Navarretia heterodoxa L. S. Rose 1941-6-12 41269 San Mateo hills w Redwood City; Emerald Lake 120 Comment
  JROH3205  Navarretia heterodoxa (John H. Thomas) 1983-6-29 22715 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CHSC28674  Navarretia squarrosa M. S. Taylor 1978-7-31 1871 San Mateo Ano Nuevo State Reserve. 0 Comment
  JROH3209  Navarretia squarrosa John H. Thomas 1973-6-10 16815 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD38213  Navarretia squarrosa Edith A. Purer 1933-7-27 5346 San Mateo Partially stabilized sand dunes near Pigeon Point Comment
  SEINET3861929  Navarretia squarrosa Genevieve K. Walden 2009-5-21 140 San Mateo Pillar Point, north of Vandenberg Radar Base, along trails of public access land.; 0 Comment
  CDA29076  Nemophila parviflora D. G. Kelch 2009-6-9 9 .407 San Mateo Santa Cruz Mts.; Chert outcrop and adjacent mixed evergreen forest along Skyline Blvd ~1 km W of Skegg s Point. Comment
  CAS-BOT-BC219487  Nemophila parviflora Mrs. E. C. Sutliffe 1933-5-25 s.n. San Mateo Purissima Canyon Comment
  CAS-BOT-BC219488  Nemophila parviflora George Oberlander 1950-4-16 691 San Mateo San Francisco Watershed Reserve. Pilarcitos Canyon Comment
  CAS-BOT-BC140424  Oemleria cerasiformis Elmer I. Applegate 1895-3-9 152 San Mateo Woodside Comment
  CAS-BOT-BC140439  Oemleria cerasiformis George Oberlander 1949-4-2 37 San Mateo Pilarcitos Canyon Comment
  CAS-BOT-BC140446  Oemleria cerasiformis Elizabeth McClintock 1967-6-24 s.n. San Mateo Lower Colma Canyon Comment
  JEPS108618  Oemleria cerasiformis Roger Raiche 1983-7-18 10167 San Mateo San Bruno Mountain, head of canyon, Crocker Industrial Park Comment
  JEPS44826  Oemleria cerasiformis W. L. Jepson 1922-3-19 9542 San Mateo Lake San Andreas 182 Comment
  SJSU8084  Oemleria cerasiformis S. H. Casey 1969-4-17 227 San Mateo W facing slope of Colma Canyon, San Bruno Mt Comment
  CHSC1969  Oenanthe sarmentosa A. Goekler 1929-5-10 San Mateo Moss Beach. Comment
  JROH284  Oenanthe sarmentosa L. R. Abrams 1919-8-20 7349 San Mateo Jasper Ridge Biological Preserve, Stanford University; head of Searsville Lake Comment
  UC2061401  Oenothera elata subsp. hookeri H. W. Johansen 1958-5-18 23 San Mateo Coast Hwy 1, S of Pescadero Comment
  JROH2988  Olea europaea John H. Thomas 1967-5-10 12850 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2993  Olea europaea John H. Thomas 1977-1-23 18462 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU14729  Ornithostaphylos oppositifolia C. W. Sharsmith 1991-12-14 9231 San Mateo Buena Vista Nursery, Woodside Comment
  CAS-BOT-BC502768  Orobanche bulbosa G. F. Ferris 1917-4-14 s.n. San Mateo Coal Mine Ridge Comment
  UC1215057  Orobanche californica subsp. californica Richard Snow 1959-9-20 887 San Mateo Pigeon Point. Comment
  UC217609  Orobanche californica subsp. californica Katharine Brandegee San Mateo San Pedro. Comment
  CAS-BOT-BC500320  Orobanche uniflora subsp. occidentalis George Oberlander 1951-3-30 1172 San Mateo San Francisco Watershed Reserve: San Andreas Valley Comment
  CAS-BOT-BC502962  Orobanche vallicola James McMurphy 1906-8-6 s.n. San Mateo Searsville Lake Comment
  RSA92815  Orthocarpus densiflorus Peter H. Raven 1950-4-16 1776 San Mateo Colma Canyon, San Bruno Mountains. 183 Comment
  POM126837  Orthocarpus erianthus var. roseus R. L. Pendleton 1907-4-20 618 San Mateo Ocean View. 122 Comment
  SEINET6205026  Orthocarpus erianthus var. roseus L. S. Rose 1965-1 65010 San Mateo N end of San Bruno Mtns Comment
  RSA152408  Orthocarpus faucibarbatus var. albidus R. C. Bacigalupi, G. Thomas Robbins 1954-6-18 4562 San Mateo Immediately behind Point Ano Nuevo. Comment
  SEINET3159752  Orthocarpus floribundus K. C. sn San Mateo Millbrae Comment
  RSA178633  Orthocarpus lithospermoides L. R. Abrams 1915-6-7 5237 San Mateo Woodside - Crystal Springs road near junction with Whipple Road. Comment
  SEINET12288880  Orthocarpus lithospermoides Unknown 1932-1 9105 San Mateo above Spring Valley Lakes Comment
  POM319922  Orthocarpus pusillus Barbara Shervanick 1973-4-1 801 San Mateo San Bruno Mt. at first summit at end of Crocker Rd. Comment
  JROH293  Osmorhiza berteroi John H. Thomas 1961-5-5 9213 San Mateo Jasper Ridge Biological Preserve, Stanford University; long San Francisquito Creek below Searsville Dam 76 Comment
  JROH3091  Oxalis micrantha John Rawlings 2013-4-3 1161 San Mateo Jasper Ridge Biological Preserve, Stanford University; restricted to a small area on verge of Trail 11 in chaparral 143 Comment
  UC2049874  Oxalis oregana H. W. Johansen 1955-4-3 11 San Mateo Jones Gulch, 5 miles S of La Honda Comment
  SEINET10969325  Oxalis oregana R. D. Sage 1992-1-6 Sage 13395 -1 San Mateo Collected at purisima creek rd trail in purisima creek redwoods open space preserve. 9 Km w woodside. 244 Comment
  UC1057442  Oxalis pes-caprae G. Thomas Robbins 1937-4-11 72 San Mateo just s San Fancisco (Skyline Boulevard) Comment
  CAS-BOT-BC318251  Packera breweri W. R. Dudley 1893-5-3 s.n. San Mateo Foothills near Stanford University. Comment
  UCD88650  Parapholis incurva August L. Hormay 1932-5-29 s.n. San Mateo San Bruno. Comment
  UCR121550  Parentucellia viscosa George K. Helmkamp, E. A. Helmkamp 1999-6-28 5002 San Mateo Pescadero Creek Watershed, Bean Hollow Road 0.3 mi south of Pescadero Road (SW of Pescadero). Slopes above Butano Creek 61 Comment
  UCR242655  Parietaria judaica A. C. Sanders 2012-11-11 40516 San Mateo SF Bay Area, Daly City near Colma, between Junipero Serra Blvd. and San Pedro Rd. on Washington St. 56 Comment
  CAS-BOT-BC265664  Paspalum distichum C. F. Baker 1902-10-20 1836 San Mateo Searsville Comment
  JEPS17981  Pedicularis densiflora George B. Rossbach 1955-3-12 488 San Mateo se end of Buriburi Ridge (nw side of San Mateo Creek); , San Mateo Creek 76 Comment
  JEPS40981  Pedicularis densiflora Lewis S. Rose 1964-3-23 64013 San Mateo w of Redwood City; Emerald Lake 121 Comment
  POM15581  Pedicularis densiflora A. D. E. Elmer 1903-05 4497 San Mateo Woodside. 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
  SEINET5564051  Pedicularis densiflora H. S. Gentry 1931-1 15 San Mateo Collected 1.5 miles W of San Mateo, Half-Moon Bay Road. Comment
  LA209494  Pedicularis dudleyi E. B. Copeland; 1982-4-9 707 San Mateo big basin of Pescadero creek Comment
Read comments Jun 12 2020
  UCSC003377  Pelargonium grossularioides Randall Morgan 2001-5-5 3725 San Mateo south of Franklin Point, San Mateo County Comment
  CAS-BOT-BC207021  Pelargonium vitifolium L. R. Abrams; I. L. Wiggins 1939-6-3 437 San Mateo 2 miles north of Pigeon Point Lighthouse Comment
  JROH102  Pellaea andromedifolia John Hunter Thomas 1981-4-5 20268 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  JROH5818  Pennisetum setaceum John Rawlings 2016-10-8 1949 San Mateo Sand Hill Rd. near the SLAC fence-line opposite the entrance to the Horse Park at Woodside, San Mateo Co. 118 Comment
  JEPS22894  Pentachaeta alsinoides John H. Thomas 1958-5-10 7155 San Mateo about 5 mi sw Palo Alto; Jasper Ridge 152 Comment
  CAS-BOT-BC77003  Pentagramma triangularis subsp. triangularis John H. Thomas 1958-3-19 7068 San Mateo East facing lsope of San Bruno Mountain, just north of South San Fancisco. 91 Comment
  CAS-BOT-BC77009  Pentagramma triangularis subsp. triangularis Ira L. Wiggins 1928-4-14 2918 San Mateo Alpine Creek Road Comment
  JROH111  Pentagramma triangularis subsp. triangularis John H. Thomas 1974-11-5 17663 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail below dam. 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
  UC652563  Perideridia gairdneri subsp. gairdneri Ira L. Wiggins and Roxana S. Ferris 1939-8-2 9295 San Mateo Ano Nuevo Point Comment
  JROH310  Perideridia kelloggii John H. Thomas 1972-8-18 16148 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU7873  Persea americana C. A. Staicer 1976-11-24 San Mateo 91 Inglewood Lane, Atherton Comment
  JROH3249  Persicaria amphibia John Hunter Thomas 1979-9-9 19728 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Searsville Lake. Comment
  JROH3268  Persicaria lapathifolia W. R. Dudley 1909-10-31 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake. Comment
  JROH3270  Persicaria lapathifolia John H. Thomas 1976-10-16 18406 San Mateo Jasper Ridge Biological Preserve, Stanford University. Dry delta in Searsville Lake at the mouth of Corte de Madera Creek. Comment
  JROH3271  Persicaria lapathifolia John Hunter Thomas 1979-9-9 19716 San Mateo Jasper Ridge Biological Preserve, Stanford University. Lake edge and delta. Comment
  JROH5974  Persicaria maculosa John Rawlings, Ann Lambrecht 2017-9-12 2294 San Mateo Jasper Ridge Biological Preserve, Stanford University; confluence Bear Creek, Corte Madera Creek, and San Francisquito Creek 71 Comment
  RSA26764  Petasites palmatus Albert W. C. T. Herre, I. L. Wiggins 1939-3-25 19 A San Mateo Headwaters of Pescadero Creek, about 8 miles north of Big Basin Redwood Park. Comment
  POM87739  Petunia parviflora L. R. Abrams 1902-9-21 2994 San Mateo Crystal Lake Comment
  SBBG51579  Phacelia californica J. Doty 1969-3-26 596 San Mateo 100 yds E of the jct of St hwys 35 and 92 Comment
  SEINET12280044  Phacelia californica Unknown 1932-1 9146 San Mateo Sky Line Drive Comment
  RSA10261  Phacelia distans H. A. Barker 1927-5-14 655 San Mateo North of Half Moon Bay. Comment
  UCSC008146  Phacelia distans Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  UC306562  Phacelia divaricata A. D. E. Elmer May, 1903 4481 San Mateo Crystal Springs Lake Comment
  JEPS3114  Phacelia divaricata James G. Daly 1934-1 156 San Mateo on ridge s road to La Honda; Santa Cruz Mountains Comment
  POM65348  Phacelia malvifolia A. D. E. Elmer 1903-05 4784 San Mateo San Bruno Hills. Comment
  SD38340  Phacelia ramosissima Edith A. Purer 1933-5-27 3651 San Mateo Spring Valley Lakes. Comment
  JEPS67917  Phalaris L. R. Heckard and J. H. Thomas 1972-4-16 2902 San Mateo along e side Upper Crystal Springs Reservoir ((below State Highway interchange)); along e side Upper Crystal Springs Reservoir Comment
  CAS-BOT-BC258932  Phalaris aquatica J. H. Thomas 1963-8-4 10233 San Mateo About 2.5 miles inland from San Gregorio along the highway Comment
  CAS-BOT-BC258933  Phalaris aquatica J. H. Thomas 1958-8-1 7375 San Mateo Just north of mouth of San Gregorio Creek 30 Comment
  CAS-BOT-BC258935  Phalaris aquatica John H. Thomas 1968-12-18 14871 San Mateo About 0.9 miles inland from the coast along road toward Pescadero Comment
  JROH5354  Phalaris aquatica John H. Thomas 1974-6-27 17446 San Mateo Jasper Ridge Biological Preserve, Stanford University. Just outside of the Goya gate. Comment
  JROH5366  Phalaris aquatica John Hunter Thomas 1983-4-3 21306 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Main Gate along Sand Hill Rd. Comment
  UCD88021  Phalaris aquatica Alison Blake 2003-4-16 8 San Mateo Woodside. Filoli Center. S edge of Lower Parking Lot, along fenceline between Parking Lot and Heritage Orchard. Comment
  CAS-BOT-BC259001  Phalaris californica A. D. E. Elmer 1903-6-1 4699 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC259009  Phalaris californica W. R. Dudley 1896-4-4 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Crystal Springs Comment
  SJSU15792  Phalaris californica Toni Corelli 2010-6-1 641 San Mateo Wavecrest, west of Highway 1 in Half Moon Bay. 23 Comment
  CAS-BOT-BC250647  Phalaris minor Paul Arnaud 1941-5-3 s.n. San Mateo Redwood City, Jefferson Avenue Comment
  RSA128643  Phalaris minor P. H. Raven 1950-6-3 297 San Mateo along Millbrae Ave., Millbrae. 61 Comment
  SEINET10657416  Phalaris minor Robert V. Bradshaw 1922-4-30 Bradshaw 2675 San Mateo Sandhill road near Searsville Lake Comment
  CAS-BOT-BC131760  Phoenix dactylifera Eric Walther 1920-10-1 s.n. San Mateo Near Court House, Redwood City Comment
  JROH2768  Pholistoma auritum var. auritum John Hunter Thomas 1981-5-5 20540 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4255  Phyla nodiflora Carol Zabel, Ann Lambrecht, Toni Corelli 2001-5-21 42 San Mateo Jasper Ridge Biological Preserve, Stanford University; bank of Searsville Lake, just below Searsville Lab 105 Comment
  RSA647542  Phyllospadix torreyi Judy Hansen 1969-6-29 s.n. San Mateo Pidgeon Point. Comment
  CAS-BOT-BC142183  Physocarpus capitatus W. R. Dudley 1902-6-1 s.n. San Mateo Steven's Creek Road, lower part - Santa Cruz Peninsula Comment
  RSA112459  Physocarpus capitatus L. Henderson 1928-4-26 s.n. San Mateo Strawberry bend near Corte Madera cr. Comment
  JROH2202  Pickeringia montana var. montana John H. Thomas 1975-6-5 17937 San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack Comment
  JROH2203  Pickeringia montana var. montana John H. Thomas 1976-5-26 18147 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Shack Comment
  JROH4769  Piperia John Hunter Thomas 1991-4-4 25081 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSC008616  Piperia transversa Randall Morgan 1989-1-1 322 -P San Mateo Jamison Creek Road Comment
  POM287602  Plagiobothrys bracteatus Lyman Benson 1930-5-1 2063 a San Mateo Stanford University 107 Comment
  CAS-BOT-BC228140  Plagiobothrys chorisianus Alice Eastwood 1922-5-30 11336 San Mateo Crystal Springs Lake Comment
  POM64766  Plagiobothrys chorisianus C. F. Baker 1913-6-4 3339 San Mateo Montara (?) Point Comment
  UC586830  Plagiobothrys chorisianus David Keck 1938-5-30 4728 San Mateo Pescadero Comment
  RSA589903  Plagiobothrys chorisianus W. R. Dudley 1894-4-21 s.n. San Mateo Near Cyrstal Springs Reservoir Comment
  POM287819  Plagiobothrys chorisianus var. chorisianus E. A. Purer 1933-7-27 5392 San Mateo 2 miles south of Pigeon Point. Comment
  SD39907  Plagiobothrys chorisianus var. chorisianus Edith A. Purer 1933-7-27 5392 San Mateo Two miles south of Pigeon Point. Comment
  CAS-BOT-BC228154  Plagiobothrys chorisianus var. chorisianus W. R. Dudley 1893-5-27 s.n. San Mateo The Santa Cruz Mountain Peninsula. By road from Hayman's Ranch to San Gregorio Creek Comment
  CAS-BOT-BC228170  Plagiobothrys chorisianus var. hickmanii David D. Keck 1938-5-30 4728 San Mateo Pescadero, on bluffs overlooking the ocean Comment
  JROH1423  Plagiobothrys nothofulvus John H. Thomas 1968-4-19 14291 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1430  Plagiobothrys nothofulvus John Hunter Thomas 1988-4-7 24378 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  POM287296  Plagiobothrys nothofulvus Lyman Benson 1930-5-1 2055 San Mateo Stanford University. Mt. Range: San Lorenzo. 122 Comment
  CHSC39820  Plantago Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  JROH3106  Plantago coronopus John Rawlings,Ann Lambrecht 2013-4-30 1170 San Mateo Jasper Ridge Biological Preserve, Stanford University; in Rd B vicinity of Dennis Martin site 79 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
  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
  POM283961  Plantago erecta Lyman Benson 1931-3-10 2650 San Mateo Redwood City. Santa Cruz mtn range, Emerald Lake. 152 Comment
  RSA278509  Plantago erecta subsp. erecta T. C. Emmel 1964-3-15 1 San Mateo Woodside (expt'l area). Comment
  CAS-BOT-BC164683  Plantago hirtella subsp. galeottiana Peter Rubtzoff 1977-11-24 9142 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
  RSA246718  Plantago hirtella var. galeottiana Robert F. Thorne, Percy C. Everett 1965-8-1 35073 San Mateo 21.5 miles S of Golden Gate Bridge. 69 Comment
  UCSC007768  Plantago lanceolata Becky Hendricks, Chris Lay 2012-6-22 s.n. San Mateo Ano Nuevo State Park Comment
  SEINET12284426  Plantago maritima Unknown 1933-1 10441 San Mateo near Pigeon Point Comment
  CAS-BOT-BC92016  Platystemon californicus Elizabeth McClintock 1965-3-28 s.n. San Mateo San Bruno Mountain. In Devil's Arroyo. Comment
  CAS-BOT-BC92022  Platystemon californicus David D. Keck 1932-5-6 1473 San Mateo Burlingame. North city limits. Comment
  CHSC24850  Platystemon californicus B. A. Rosene 1976-4-18 5 San Mateo Ca. 2.4 km nw of entrance to Calif. State Game Refuge. 182 Comment
  POM149322  Platystemon californicus var. californicus Copeland 1903-5-24 3255 San Mateo Above Crystal Springs Lake Comment
  UC131908  Plectritis brachystemon Alice Eastwood 1901-5-19 San Mateo Blenheim Comment
  SD38887  Plectritis ciliosa Cumming, Mc Callum 1933-5-10 3716 San Mateo Near Spring Valley lakes Comment
  SEINET14400463  Plectritis congesta Unknown 1938-5-4 718 San Mateo San Mateo County Comment
  SEINET10931001 Image available Plectritis congesta subsp. nitida A. Arthur Heller 1907-5-28 Heller 8578 San Mateo Above Crystal Springs on the Half Moon Bay road. Comment
  POM296661B  Poa annua Lyman Benson 1930-5-1 2061 San Mateo Stanford University. San Lorenzo Mt. Range. 91 Comment
  UC650404  Poa annua Ira L. Wiggins 1928-4-22 2944 San Mateo Moss Beach Comment
  UCD163746  Poa annua Peter Rubtzoff 1988-5-3 9911 San Mateo San Bruno Mountain, 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road Junction, near old Guadalupe Road in the northwest part of the 'Saddle' area, east of Saddle Trail Junction. Comment
  CAS-BOT-BC254907  Poa bulbosa W. L. Plummer 1963-3-27 s.n. San Mateo Alvin Peters property, Skyline Boulevard, Redwood City Comment
  CAS-BOT-BC254542  Poa douglasii J. H. Thomas 1965-5-1 10637 San Mateo At Pescadero Beach Comment
  CAS-BOT-BC254543  Poa douglasii Elizabeth McClintock 1978-4-6 s.n. San Mateo Pacifica Comment
  CAS-BOT-BC254545  Poa douglasii Paul F. Covel No date on label 1533 San Mateo Moss Beach Comment
  JEPS21703  Poa douglasii W. R. Dudley 1900-3-18 San Mateo San Pedro Beach Comment
  RSA181329  Poa douglasii John H. Thomas 1965-5-1 10637 San Mateo at Pescadera Beach Comment
  CAS-BOT-BC246709  Poa howellii Roxana S. Ferris 1921-3-20 2175 San Mateo Santa Cruz Mountain Peninsula. Road from Alpine Creek to Pescadero Creek 304 Comment
  JROH5409  Poa howellii John H. Thomas 1964-4-19 10329 San Mateo Jasper Ridge Biological Preserve, Stanford University. Area below dam in among redwoods near creek. Comment
  SEINET10959346  Poa howellii LeRoy R. Abrams Abrams 1560 San Mateo Santa Cruiz Mts. Comment
  CAS-BOT-BC173840  Poa pratensis Peter Rubtzoff 1976-5-22 8544 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  POM204948  Poa secunda E. B. Copeland 1903-4-20 1920 San Mateo San Andreas Lake Comment
  RSA120384  Poa secunda Roxana S. Ferris 1921-5-20 2174 San Mateo Santa Cruz Mountain Peninsula; road over divide from Alpine Creek and Pescadero Creek 305 Comment
  CAS-BOT-BC539283  Poa secunda subsp. secunda John Rawlings; Ken Hickman 2015-6-8 1575 San Mateo Caltrans right-of-way above Hwy 92 E of Hwy 280, downslope from San Francisco Watershed fenceline 118 Comment
  UC144491  Poa unilateralis Copeland 1903-5-24 3259 San Mateo Montara Point Comment
Read comments Jan 23 2011
  UC156969  Poa unilateralis Dr. E. B. Copeland 1903-6-17 3306 San Mateo Montera Point Comment
  SD73212  Pogogyne serpylloides Darley F. Howe 1969-6-10 4642 San Mateo 18.5 miles north of San Mateo-Santa Cruz county line on Highway 1. Comment
  UCD23456  Polycarpon tetraphyllum E. A. Parzail 1949-8-1 s.n. San Mateo 1144 Cortez Avenue, Burlingame. Comment
  CDA34563  Polygala californica M. Beyers, Z. Bakman, L. Feely, & D. Sozanni 2011-4-4 873 San Mateo Pacifica: San Pedro Valley County Park, along Brooks Creek Trail. 148 Comment
  JROH3219  Polygala californica Carol Zabel, Scott Lourie, Cindy Wilber 2001-6-2 43 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA176406  Polygonum coccineum John H. Thomas 1964-10-2 10510 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Edge of Searsville Lake near Bridge. Comment
  SD27835  Polygonum paronychia Carl B. Wolf 1929-5-25 3726 San Mateo Pebble Beach so. of Pescadero Comment
  SEINET11939135  Polygonum paronychia M. T. Doutt 1931-1 247 San Mateo Along coast S of San Francisco Comment
  CAS-BOT-BC76946  Polypodium californicum Ned Cahill 1974-4-30 232 San Mateo Chaparral near the intersection of Canada and Edgewood Roads, about 3 mi westward from Redwood City. Comment
  JROH5945  Polypodium californicum John Rawlings 2017-2-21 1957 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 6, just south of prairie opening in serpentine chaparral 123 Comment
  RSA178657  Polypodium californicum John H. Thomas 1964-4-19 10313 San Mateo Jasper Ridge Biological experimental area, 5 miles SW of Palo Alto. Comment
  UC399453  Polypodium californicum Carlotta C. Hall May 1918 San Mateo Farollone City Comment
  CAS-BOT-BC76908  Polypodium californicum W. R. Dudley 1897-1-1 s.n. San Mateo Santa Cruz Mountain Peninsula - by crossing of Butano Cr. below Sinnott's Comment
  UC62435  Polypodium scouleri W. C. Blasdale 1893-6-23 San Mateo San Mateo Comment
  JROH5645  Polypogon interruptus John Rawlings 2014-5-28 1249 A San Mateo Jasper Ridge Biological Preserve, Stanford University. Up-stream edge of low flow crossing of San Francisquito Creek. 81 Comment
  JROH5438  Polypogon monspeliensis L. R. Abrams 1901-5-14 1639 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5445  Polypogon monspeliensis John H. Thomas 1974-10-29 17644 San Mateo Jasper Ridge Biological Preserve, Stanford University. Small peninsula created by drainage channel cut to accommodate water from Corte Madera Cr. Comment
  RSA187461  Polypogon monspeliensis John H. Thomas 1965-12-19 11458 San Mateo Jasper Ridge Biological Experimental Area, 5 miles SW of Palo. Comment
  HSC10835  Polypogon monspeliensis B. Francis 1964-5-5 47 San Mateo 5 miles N of San Francisco International Airport. Comment
Read comments Jul 2 2009
  CAS-BOT-BC237585  Polypogon viridis Peter Rubtzoff; Walter & Irja Knight 1987-6-26 9793 San Mateo San Bruno Mountains, saddle area on N side of Guadalupe junction, near road in the area of the uppermost part of East Fork Colma Creek in the NW corner of Fog Forest Comment
  CAS-BOT-BC76603  Polystichum munitum Ira L. Wiggins 1925-5-24 1731 San Mateo Along county road from Pescadero to Pebble Beach along rich swamp land just before coming to the artichoke lands Comment
  CAS-BOT-BC76609  Polystichum munitum D. E. Breedlove 1973-9-26 35557 San Mateo Pescadero Creek County Park 365 Comment
  CAS-BOT-BC76611  Polystichum munitum Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain - Quarry 3 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
  RSA681612  Populus fremontii Annuschka Deb 1989-7-28 328 San Mateo YBN Demonstration Garden. Comment
  JROH3840  Populus trichocarpa John H. Thomas 1966-4-13 11557 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3358  Portulaca oleracea John H. Thomas 1976-10-16 18404 San Mateo Jasper Ridge Biological Preserve, Stanford University. Now dry delta in Searsville Lake at the mouth of Corte de Madera Creek Comment
  CAS-BOT-BC267166  Potamogeton foliosus Ira L. Wiggins 1935-8-24 8159 A San Mateo In reservoir about 2 miles E of Half Moon Bay Comment
  CAS-BOT-BC453834  Potamogeton nodosus L. R. Abrams; I. L. Wiggins 1939-6-3 435 San Mateo Ano Nuevo Point Comment
  CAS-BOT-BC454007  Potamogeton pectinatus W. R. Dudley 1903-7-21 s.n. San Mateo Near Hallidie's, Portola Comment
  CAS-BOT-BC454008  Potamogeton pectinatus Ira L. Wiggins 1935-6-29 8051 San Mateo Pescadero Creek, about 1 mile west of Pescadero Comment
  UC279589  Potamogeton pectinatus W. A. Setchell, C. B. Setchell, H. E. Parks 1925-4-29 San Mateo Comment
  JROH5517  Potamogeton pusillus John Hunter Thomas 1981-7-12 20710 San Mateo Jasper Ridge Biological Preserve, Stanford University. In lake along the shore Comment
  CAS-BOT-BC454052  Potamogeton pusillus subsp. pusillus Charles W. O'Brien 1964-8-31 s.n. San Mateo Lake Pilarcitos Comment
  SD39944  Potentilla anserina Edith A. Purer 1933-7-27 5365 San Mateo High stabilized sand dunes, but damp, Pigeon Point Comment
  CAS-BOT-BC141927  Potentilla anserina subsp. pacifica A. A. Heller 1907-4-20 8441 San Mateo Near Lake Merced. 60 Comment
  CHSC39829  Potentilla anserina subsp. pacifica Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  CAS-BOT-BC141928  Potentilla anserina subsp. pacifica Elizabeth McClintock 1967-9-24 s.n. San Mateo Crocker Avenue - San Bruno Mountains Comment
  UC1543108  Potentilla anserina subsp. pacifica Donald G. Nelson 1939-6-14 617 San Mateo e side Skyline Blvd (a few mi s of Daly City); s of Daly Cith Comment
  POM203299  Potentilla hickmanii E. C. Satlife 1933-11-10 s.n. San Mateo Moss Beach Comment
  UC1952815  Potentilla hickmanii Barbara Ertter with Tony Morosco, Deb Hillyard, Richard Vonarb 1995-6-15 14257 San Mateo Martini Creek at south end of Devil's Slide, north-facing grassy hillside Comment
  JROH4673  Prosartes hookeri John H. Thomas 1973-5-5 16761 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA18456  Prunella vulgaris var. lanceolata Carl B. Wolf 1927-6-29 551 San Mateo South of Pebble Beach near Pescadero. Comment
  SD27751  Prunella vulgaris var. lanceolata Carl B. Wolf 1927-6-29 551 San Mateo Along the coast south of Pescadero at Pebble Beach. Comment
  CAS-BOT-BC154506  Prunus ilicifolia L. S. Rose 1927-5-21 s.n. San Mateo Pigeon Point 15 Comment
  POM140358  Prunus subcordata L. R. Abrams 1901-03 1168 San Mateo Portola, Los Troncos Creek. Comment
  CAS-BOT-BC156359  Prunus virginiana var. demissa Roxana Stinchfield 1916-5-3 489 San Mateo Judge Allen's Road near Mud Lakes Comment
  OBI16449  Pseudognaphalium beneolens Lewis S. Rose 1966-8-15 66082 San Mateo Emerald lake, W of Redwood City 91 Comment
  CAS-BOT-BC356857  Pseudognaphalium californicum Josephine D. Randall 1907-7-23 47 San Mateo Santa Cruz Peninsula. Near Crystal Springs Lake Comment
  CAS-BOT-BC356858  Pseudognaphalium californicum A. D. E. Elmer 1903-6-1 4291 San Mateo Crystal Springs Lake Comment
  JROH762  Pseudognaphalium californicum John H. Thomas 1976-5-26 18149 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC357122  Pseudognaphalium luteoalbum Fred Hemphill 1973-3-1 622 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC357125  Pseudognaphalium luteoalbum Fred Hemphill 1973-5-6 766 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  JROH774  Pseudognaphalium luteoalbum John H. Thomas 1964-11-15 10527 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM358830  Pseudognaphalium luteoalbum E. A. Purer 1933-8-13 5427 San Mateo Belmont Comment
  SBBG45074  Pseudognaphalium luteoalbum F. T. Howell 1935-1-13 12578 San Mateo Lake San Andreas Comment
  SD30773  Pseudognaphalium luteoalbum Edith A. Purer 1933-8-13 5427 San Mateo Belmont, along roadside Comment
  CAS-BOT-BC357130  Pseudognaphalium luteoalbum L. R. Abrams; I. L. Wiggins 1939-6-3 431 San Mateo Ano Nuevo Point Comment
  SEINET3145218  Pseudognaphalium ramosissimum L. S. Rose 1935-8-13 35568 San Mateo Salada 30 Comment
  CAS-BOT-BC361567  Pseudognaphalium stramineum Phillip C. Wheeler 1965-6-19 s.n. San Mateo San Bruno Mountain. Brisbane Lagoon Comment
  CAS-BOT-BC361568  Pseudognaphalium stramineum Lewis S. Rose 1966-8-6 66079 San Mateo San Bruno Mountain, Colma Canyon 121 Comment
  HSC24038  Pseudognaphalium thermale Mary Katherine Wicksten 1971-6-17 55 San Mateo Huddart Park on Chickadee Trail Comment
  CAS-BOT-BC85902  Pseudotsuga menziesii George Oberlander 1950-7-15 1100 San Mateo San Francisco Watershed Reserve, Cahill Ridge Comment
  JROH128  Pseudotsuga menziesii var. menziesii John Hunter Thomas 1983-4-28 21776 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC362024  Psilocarphus tenellus Lewis S. Rose 1933-5-3 33140 San Mateo Montara Comment
  JROH1185  Psilocarphus tenellus John Hunter Thomas 1978-4-25 19146 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
  CHSC39781  Pteridium aquilinum Maxey-Jones 1928-4-21 San Mateo La Honda Redwoods. Comment
Read comments Jul 10 2010
  CAS-BOT-BC72655  Pteridium aquilinum Phillip Wheeler 1965-6-19 s.n. San Mateo Canyon east of quarry Comment
  JROH17  Pteridium aquilinum var. pubescens John Hunter Thomas 1985-5-22 23677 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH13  Pteridium aquilinum var. pubescens John Hunter Thomas 1981-4-5 20284 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek from Redwood area to Zoology Cabin ruins Comment
  SJSU2275  Pterostegia drymarioides C. W. Sharsmith 1947-4-13 6756 San Mateo Pescadero Beach near Pescadero Point Comment
  UCD92955  Puccinellia maritima A. A. Beetle 1946-6-4 4278 San Mateo San Mateo City limits on San Mateo Bridge approach. On San Francisco Bay margin. Comment
  CAS-BOT-BC460836  Pyrola aphylla H. L. Mason 1921-7-3 s.n. San Mateo Butano Ridge Comment
  UC149267  Pyrrocoma racemosa var. racemosa L. R. Abrams 1906-9-29 San Mateo Cooleys Landing Comment
  CAS-BOT-BC104277  Quercus X morehus W. R. Dudley 1904-4-10 s.n. San Mateo Santa Cruz Mountain Peninsula, Goat Ranch Road near Alpine Road - Black Mt. Comment
  CAS-BOT-BC61707  Quercus agrifolia Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo Buckeye Canyon, near ridge, San Bruno Mountain Comment
  UC565407  Quercus agrifolia Chas. M. Belshaw 1936-1-25 1457 San Mateo 2.8 mi w Woodside (Kings Mountain road); South Coast Range Comment
  SEINET9326838  Quercus agrifolia Unknown 1938-11-6 San Mateo Woodside, hill slopes. Comment
  CAS-BOT-BC62306  Quercus chrysolepis William R. Dudley 1893-1-1 s.n. San Mateo Near Searsville (Bear G. Road) [Bear Gulch Road - San Mateo Co.?] Comment
  UCD45585  Quercus chrysolepis Roman Gankin; W. R. Hildreth 1966-5-17 s.n. San Mateo Elevation 1600 feet, ca. .4 mile northeast of Peak Mountain of greater Montara Mountain, San Mateo County, California. 487 Comment
  CAS-BOT-BC94284  Quercus durata W. R. Dudley 1909-4-27 s.n. San Mateo between Woodside and Crystal Springs Lake Comment
  UC847969  Quercus durata Lewis S. Rose 1938-11-27 38314 San Mateo w of Redwood City; Emerald Lake 243 Comment
  JROH2488  Quercus durata var. durata John H. Thomas 1974-8-3 17502 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2492  Quercus durata var. durata John Hunter Thomas 1982-10-16 21179 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2493  Quercus durata var. durata John Hunter Thomas 1984-10-14 23484 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC105388  Quercus kelloggii W. R. Dudley 1894-10-1 s.n. San Mateo Santa Cruz Mountain Peninsula, near Woodside road Comment
  CAS-BOT-BC105392  Quercus kelloggii W. R. Dudley 1901-5-4 s.n. San Mateo Santa Cruz Mountain Peninsula, Coal Mine Canon [canyon] Comment
  CAS-BOT-BC105393  Quercus kelloggii Josephine D. Randall 1907-3-9 114 San Mateo Santa Cruz Mountain Peninsula, Searsville Road to Woodside Comment
  CAS-BOT-BC105395  Quercus kelloggii A. D. E. Elmer 1903-5-1 4520 San Mateo Searsville Lake Comment
  JROH2502  Quercus kelloggii John H. Thomas 1971-8-7 16017 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM223170  Quercus kelloggii S. S. Berry 1909-3-13 s.n. San Mateo Road below Woodside. 91 Comment
  UCD46659  Quercus kelloggii C. M. Belshaw 1936-1-25 1463 San Mateo Kings Mountain road, 4.5 miles west of Woodside, San Mateo County. South Coast Range. Comment
  CAS-BOT-BC62892  Quercus lobata Paul Reeberg 1989-5-2 s.n. San Mateo Bitter Cherry Ridge, San Bruno Mountain 198 Comment
  UCD47153  Quercus parvula var. shrevei Warren G. Roberts 1981-5-17 s.n. San Mateo In ground at Yerba Buena Nursery, 19500 Skyline Blvd. (4.5 miles south of La Honda), Redwood City, San Mateo County, California. Comment
Read comments Oct 15 2013
  CAS-BOT-BC134783  Quercus wislizeni W. R. Dudley 1903-5-2 s.n. San Mateo Santa Cruz Peninsula. In front of Iverson's house near Peter Creek Comment
  UC1084409  Quercus wislizeni G. Thomas Robbins 1937-4-11 112 San Mateo Wooded hillside above Redwood City Comment
  JROH2527  Quercus wislizeni var. frutescens W. R. Dudley 1903-4-10 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; east of Searsville Reservoir Comment
  POM270261  Quercus wislizeni var. wislizeni Lyman Benson 1932-8-1 4028 San Mateo Stanford University, Santa Cruz Mt. Range, Corte Madera Creek watershed. 122 Comment
  RSA18515  Rafinesquia californica C. B. Wolf 1927-7-14 605 San Mateo Summit of Kings Mountain Rd. Comment
  CAS-BOT-BC389716  Ranunculus Sharon Rogers 1966-4-23 s.n. San Mateo Field east of Canada Road, between North and South Gates of Filoli Estate Comment
  UC1176930  Ranunculus californicus Peter H. Raven 1950-4-30 1955 San Mateo Montara; slopes facing ocean 9 Comment
  UC135552  Ranunculus californicus C. F. Baker 1902-4-12 504 San Mateo San Gregorio; hills along coast Comment
  POM268178  Ranunculus californicus Lyman Benson 1930-5-3 2101 San Mateo Santa Cruz Mt. 244 Comment
  CAS-BOT-BC378531  Ranunculus californicus var. californicus E. McClintock; Phillip Wheeler 1965-5-23 s.n. San Mateo San Bruno Mountain, grassy slope east of and below Nike station Comment
  CAS-BOT-BC378539  Ranunculus californicus var. californicus John H. Thomas 1971-5-2 15828 San Mateo serpentine fields bordered by chaparral, near intersection of Canada and Edgewater roads, about 4 mi SW of center of Redwood City 305 Comment
  JROH3478  Ranunculus hebecarpus John H. Thomas 1971-4-25 15788 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC83416  Ranunculus lobbii W. R. Dudley 1894-5-1 s.n. San Mateo Santa Cruz Mountain Peninsula. Woodside to Crystal Springs. Comment
  CAS-BOT-BC83422  Ranunculus lobbii E. A. McGregor 1908-3-9 s.n. San Mateo Coal Mine Ridge. Comment
  RSA119758  Ranunculus lobbii James I. McMurphy 1904-1 s.n. San Mateo Coal Mine Road Comment
  JROH3495  Ranunculus muricatus John Hunter Thomas 1978-4-22 19105 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM177526  Ranunculus orthorhynchus var. bloomeri L. R. Abrams 1909-4-27 s.n. San Mateo marsh land betw Woodside and Crystal Lake Comment
  JEPS67907  Ranunculus pusillus L. R. Heckard and J. H. Thomas 1972-4-16 2890 San Mateo ca 1 1/2 mi s Pulgas Water Temple (along old Canada road (private), sw of Upper Crystal Springs Reservoir) 121 Comment
  CAS-BOT-BC74337  Raphanus sativus Elizabeth McClintock; Walter Knight; Irja Knight 1963-9-2 s.n. San Mateo San Bruno Mountains. Ridge above Brisbane. Comment
  POM222806  Rhamnus crocea J P Rose 1909-4-17 s.n. San Mateo Los Trancos Creek. 61 Comment
  POM282947  Rhamnus crocea Lyman Benson 1930-5-21 s.n. San Mateo Lake Searsville. 152 Comment
  UC592766  Rhamnus crocea unknown 1927-8-7 717 San Mateo back of Stanford University (at Schenkel's Camp); Los Trancos Creek Comment
  JROH3568  Rhamnus ilicifolia John H. Thomas 1972-5-5 16078 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA121957  Rhododendron macrophyllum N. K. Carlson 1935-7-2 112 San Mateo 5 miles south of Bellvale. 305 Comment
  CAS-BOT-BC56664  Rhododendron occidentale William R. Dudley 1893-5-15 s.n. San Mateo near Big Trees Felton Comment
  CAS-BOT-BC437976  Ribes Alice Eastwood 1922-5-30 11332 San Mateo Crystal Springs Lakes Comment
  CAS-BOT-BC92490  Ribes aureum var. gracillimum A. D. E. Elmer 1903-5-1 4514 San Mateo Portola. Comment
  UC974953  Ribes californicum Lewis S. Rose 1937-3-14 37003 San Mateo Belmont 152 Comment
  CAS-BOT-BC93010  Ribes californicum var. californicum Ned Cahill 1974-5-13 243 San Mateo Near the intersection of Canada and Edgewood Roads, about 3 miles westward from Redwood City. Comment
  JROH2636  Ribes californicum var. californicum John H. Thomas 1959-2-23 7518 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2650  Ribes californicum var. californicum Carol Zabel 1989-2-20 2 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 12 near intersection with Trail 10. Comment
  CAS-BOT-BC173087  Ribes divaricatum var. pubiflorum L. R. A. 1904-4-10 s.n. San Mateo East of Crystal Springs Reserv. Comment
  JROH2651  Ribes divaricatum var. pubiflorum A. D. E. Elmer 1903-5-1 4511 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2654  Ribes divaricatum var. pubiflorum John Hunter Thomas 1985-4-25 23555 San Mateo Jasper Ridge Biological Preserve, Stanford University. Causeway. Comment
  RSA0025024  Ribes divaricatum var. pubiflorum Roxana S. Ferris 1920-4-24 1956 San Mateo Peters Creek. 2 miles above Bridge. 305 Comment
  RSA0025026  Ribes divaricatum var. pubiflorum L. S. Rose 1965-3-16 65008 San Mateo Searsville Lake. 122 Comment
  SEINET3558789 Image available Ribes malvaceum Lewis S. Rose 1933-3-2 33006 San Mateo Belmont. Comment
  CAS-BOT-BC212811  Ribes menziesii David D. Keck 1932-3-6 1397 San Mateo Near La Honda, Santa Cruz Mts. 200 Comment
  CAS-BOT-BC212819  Ribes menziesii L. R. Abrams 1916-4-22 5580 San Mateo Pilarcitos Canyon, near the little upper lake Comment
  CAS-BOT-BC212842  Ribes menziesii J. H. Thomas 1949-3-31 205 San Mateo King's Mountain Comment
  CAS-BOT-BC212843  Ribes menziesii D. E. Breedlove 1974-5-13 36202 San Mateo San Pedro Valley Park, Pacifica 152 Comment
  CAS-BOT-BC212845  Ribes menziesii W. & I. Knight 1963-6-24 s.n. San Mateo Quarry No. 4, San Bruno Mountain Comment
  SEINET10482931  Ribes menziesii Mary Susan Taylor 1978-8-30 Taylor 1855 San Mateo Comment
  UC75089  Ribes sanguineum C. F. Baker 1902-4-4 441 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC144610  Ribes sanguineum var. glutinosum W. R. Dudley 1904-4-7 s.n. San Mateo 1/4 mile above Judge Allen's near Portola Comment
  CAS-BOT-BC144650  Ribes sanguineum var. glutinosum Ray H. Yanis 1951-4-21 53 San Mateo Searsville Lake edge 15 Comment
  CAS-BOT-BC144644  Ribes sanguineum var. glutinosum Reed C. Rollins 1941-3-16 2945 San Mateo dry ravine, west slope of the Santa Cruz Mts., about 35 miles south of San Francisco Comment
  RSA0019093  Ribes sanguineum var. glutinosum S. S. Berry 1909-3-13 s.n. San Mateo King s Mountain. 640 Comment
  RSA0019103  Ribes sanguineum var. glutinosum I. L. Wiggins 1929-3-23 3371 San Mateo Road to Mud Lake, near Stanford University Comment
  RSA0019112  Ribes sanguineum var. glutinosum Carl B. Wolf 1927-2-19 215 San Mateo On north road to King s Mountain. Comment
  UC75100  Rigiopappus leptocladus C. F. Baker 1902-5-4 754 San Mateo Woodside Comment
  CAS-BOT-BC341024  Robinia pseudoacacia J. H. Thomas 1960-6-8 8774 San Mateo Road bank between Stanford and Searsville Lake along Sand Hill Road Comment
  UC75101  Romanzoffia californica C. F. Baker 1902-4-6 463 San Mateo Crystal Springs Lake Comment
  CDA9435  Romanzoffia californica D. G. Kelch 2002-5-13 s.n. San Mateo Pilarcitos Canyon, SF watershed. 0 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
  SEINET5570005  Rorippa nasturtium-aquaticum H. S. Gentry 1931-1 100 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  JROH1586  Rorippa palustris subsp. palustris John Hunter Thomas 1981-10-25 20764 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC147623  Rosa californica Alice B. Wright 1919-8-1 s.n. San Mateo Granada Comment
  CAS-BOT-BC146692  Rosa gymnocarpa Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo Romanzoffia Ravine Comment
  CAS-BOT-BC146693  Rosa gymnocarpa James B. Roof 1965-4-25 s.n. San Mateo Head of Owl's Canyon on ridge Comment
  CAS-BOT-BC146695  Rosa gymnocarpa Delzie Demaree 1933-6-23 10386 San Mateo White House Canyon Comment
  POM140214  Rosa gymnocarpa Edward L. Greene 1902-5-10 798 San Mateo King's Mtn Comment
  CAS-BOT-BC146704  Rosa gymnocarpa Elizabeth McClintock 1965-3-28 s.n. San Mateo Romanzoffia Ravine Comment
  CAS-BOT-BC152829  Rubus parviflorus W. R. Dudley 1894-12-13 s.n. San Mateo La Honda Road - Santa Cruz Peninsula Comment
  CAS-BOT-BC152834  Rubus parviflorus A. D. E. Elmer 1903-6-1 4294 San Mateo Alpine School House Comment
  UC311143  Rubus parviflorus A. D. E. Elmer June, 1903 4294 San Mateo Alpine School House Comment
  UC706966  Rubus parviflorus Ira L. Wiggins 1939-8-12 9296 A San Mateo about 5 mi inland from coast (along banks of Gazos Creek); Gazos Creek Comment
  UC202759  Rubus spectabilis A. D. E. Elmer May 1903 4788 San Mateo Spanishtown [Half Moon Bay] Comment
  CAS-BOT-BC157066  Rubus ursinus Ira L. Wiggins 1925-4-1 1660 San Mateo On Kings Mountain Road three fourths of a mile above Woodside Comment
  CAS-BOT-BC157072  Rubus ursinus L. R. Abrams 1914-10-14 5129 San Mateo [Tunitos Canon] Tunitas Canyon Comment
  CAS-BOT-BC157073  Rubus ursinus John H. Thomas 1963-5-20 10129 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  CAS-BOT-BC157075  Rubus ursinus J. Clausen 1948-5-9 2081 San Mateo Tunitas Creek road 121 Comment
  CAS-BOT-BC157100  Rubus ursinus Peter H. Raven 1950-4-30 1972 San Mateo Above streets of Montara 15 Comment
  JROH3781  Rubus ursinus John Hunter Thomas 1982-5-18 20946 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along Searsville Lake near bridge Comment
  CAS-BOT-BC422080  Rumex acetosella John H. Thomas 1958-3-19 7064 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco. 91 Comment
  CAS-BOT-BC421818  Rumex conglomeratus John H. Thomas 1960-6-25 8792 San Mateo Redwood City. Along or near a small creek running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street. -7 Comment
  CAS-BOT-BC421821  Rumex conglomeratus Phillip C. Wheeler 1965-8-16 s.n. San Mateo San Bruno Mountain. April Brook. Comment
  JROH3297  Rumex conglomeratus John H. Thomas 1974-6-27 17452 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near the low flow crossing below Searsville Dam. Comment
  CAS-BOT-BC433356  Rumex crispus A. D. E. Elmer 1903-6-1 4266 San Mateo San Mateo Comment
  CAS-BOT-BC433541  Rumex fueginus Roxana S. Ferris 1917-10-19 729 San Mateo Margin of Crystal Springs Lake Comment
  UC1101213  Rumex maritimus Malcolm A. Nobs and S. Galen Smith 1949-8-26 1590 San Mateo mouth of Pescadero Creek Pescadero Creek Comment
  CAS-BOT-BC433827  Rumex pulcher Margaret A. Barry 1938-6-22 s.n. San Mateo Slope on Coal Mine Ridge Comment
  CAS-BOT-BC433828  Rumex pulcher Margaret Barry 1938-5-14 269 San Mateo Coal Mine Ridge Comment
  JROH3313  Rumex salicifolius John Hunter Thomas 1977-6-16 18787 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2212  Rupertia physodes John H. Thomas 1971-5-30 15955 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC583143  Ruppia maritima Lewis S. Rose 1936-9-6 36724 San Mateo Granada 1 Comment
  JROH1712  Sagina apetala John Pelton 1962-4-25 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near the horsemen's drinking facility Comment
  JROH1713  Sagina apetala John H. Thomas 1963-4-17 10036 San Mateo Jasper Ridge Biological Preserve, Stanford University; edge of road near the "riders shack" at the Searsville end of the ridge Comment
  CDA15512  Sagina procumbens N. Mulder 1999-4-29 PDR 1244753 San Mateo D & M Nursery, Cloverdale Rd., Pescadero. 0 Comment
  RSA312360  Salicornia maritima H. L. Mason, Malcolm Nobs 1948-12-11 713 San Mateo Hwy 101 near shore of bay, at Whipple Avenue intersection, Redwood City. Comment
  CAS-BOT-BC103337  Salix bonplandiana W. R. Dudley 1900-3-18 s.n. San Mateo South of San Andreas Lake Comment
  CAS-BOT-BC103338  Salix bonplandiana Josephine D. Randall 1908-3-28 s.n. San Mateo Kings Mt. Comment
  SEINET12002759  Salix bonplandiana McCallum 1933-1 s.n. San Mateo near Searsville Lake Comment
  JROH3844  Salix exigua var. hindsiana H. J. Dengler 1972-4-30 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Along levee road, south end of Searsville Lake Comment
  CAS-BOT-BC104051  Salix hindsiana Lewis S. Rose 1965-3-8 65003 San Mateo Searsville Lake 121 Comment
  CAS-BOT-BC125369  Salix lasiandra var. lasiandra W. R. Dudley 1902-9-21 s.n. San Mateo Near Crystal Springs Lake Comment
  JROH3875  Salix lasiandra var. lasiandra John H. Thomas 1975-5-2 17854 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3882  Salix lasiandra var. lasiandra Toni Corelli 2003-2-6 256 San Mateo Jasper Ridge Biological Preserve, Stanford University; along eastern side of lake Trail 21 at west end of spillway 105 Comment
  UCD111568  Salix lasiandra var. lasiandra J. Ed McClellan; Bonnie McClellan 1976-4-1 s.n. San Mateo Princeton. Comment
  UCD111575  Salix lasiandra var. lasiandra Lewis S. Rose 1965-3-16 65007 San Mateo Searsville Lake. 121 Comment
  CAS-BOT-BC107142  Salix lasiolepis L. R. Abrams 1915-3-13 5162 San Mateo Near junction of San Francisquito and Los Trancos Creeks, about 2 miles from Stanford University 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
  OBI9820  Salix lasiolepis Lewis S. Rose 1965-3-8 65004 San Mateo Searsville Lake 122 Comment
  UCR279843  Salix lasiolepis Peter Rubtzoff 1976-3-14 8445 San Mateo San Francisco Bay Region, San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction; upper part of East Fork Colma Creek Canyon 220 Comment
  POM281343  Salix lasiolepis Lyman D. Benson 1931-1-25 2577 San Mateo Near the Skyline Blvd. 5 miles S of La Honda Grade. 366 Comment
  RSA788842  Salix lasiolepis var. bigelovii Peter Rubtzoff 1975-10-24 8433 San Mateo Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  CAS-BOT-BC124486  Salix lasiolepis var. lasiolepis W. R. Dudley 1902-5-1 s.n. San Mateo Near Iverson's, Peter's Creek Comment
  UC846970  Salix scouleriana Lewis S. Rose 1938-10-16 38303 San Mateo Skyline Blvd. and La Honda Rd. Comment
  CAS-BOT-BC129071  Salix scouleriana W. R. Dudley 1896-4-17 s.n. San Mateo By trail from Haladay place to summit La Honda Rd. - Santa Cruz Peninsula Comment
  CAS-BOT-BC126519  Salix sitchensis W. R. Dudley 1898-4-24 s.n. San Mateo El Corte de Madera Creek 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
  SBBG40540  Salsola soda W. Anderson 1968-8-16 San Mateo W end of Dumbarton Bridge Comment
  RSA15302  Salvia columbariae Carl B. Wolf 1927-4-3 s.n. San Mateo 1 mile above La Honda. Santa Cruz Mountains. Comment
  SEINET946766  Salvia mexicana var. major Betsy Clebsch 1983-1 s.n. San Mateo Planted in garden on Big Swing Comment
  JEPS8413  Salvia spathacea Rimo Bacigalupi with L. Constance and C. R. Bell 1951-3-25 3204 San Mateo near San Francisco (Colma Canyon); Colma Canyon 137 Comment
  OBI13519  Salvia spathacea Lewis S. Rose 1965-5-3 65059 San Mateo San Bruno Mtn, Colma Cyn 61 Comment
  RSA218031  Salvia spathacea Walter Knight, I. Knight 1965-3-15 1218 San Mateo Colma Canyon. San Bruno Mountain. Comment
  SEINET5570447  Salvia spathacea H. S. Gentry 1931-1 92 San Mateo Collected about 1 miles SE of Holy Cross Cemetery. 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
  RSA0034073  Sambucus Peter Rubtzoff 1987-8-26 9840 San Mateo San Bruno Mountain, Saddle area on N side of Guadalupe Canyon. Parkway west of Radio Road junction; northwestern part of the area along old Guadalupe Road. Upper part of East Fork Colma Creek Canyon. Comment
  RSA120031  Sambucus mexicana Paul R. Hichborn 1920-4-22 s.n. San Mateo Tasper Ridge Comment
Read comments Oct 12 2021
  RSA210942  Sambucus mexicana E. K. Balls 1969-9-18 12171 San Mateo 1 mile north of Skywood along Highway 84 from Woodside to junction with Highway 35 Comment
  CAS-BOT-BC246022  Sambucus nigra subsp. caerulea Margaret A. Barry 1937-6-24 188 San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC246023  Sambucus nigra subsp. caerulea George Oberlander 1950-4-2 586 San Mateo Sawyer Ridge, San Francisco Watershed Reserve Comment
  CAS-BOT-BC246025  Sambucus nigra subsp. caerulea H. A. Dutton 1900-4-17 s.n. San Mateo Jasper S. side, Santa Cruz Peninsula Comment
  HSC23950  Sambucus nigra subsp. caerulea Mary Katherine Wicksten 1971-6-17 23 San Mateo Huddart Park, along Rd. near Redwood Shelter. Comment
  CAS-BOT-BC236451  Sambucus racemosa subsp. racemosa Philip Wheeler 1965-5-18 s.n. San Mateo Base of mountain near Olivet Cemetery, San Bruno Mountain Comment
  CAS-BOT-BC236466  Sambucus racemosa subsp. racemosa Alice Eastwood 1933-5-31 s.n. San Mateo Butano Creek Comment
  SEINET13945105 Image available Sanicula arctopoides Ray Smith 1915-1 sn San Mateo Burlingame. Comment
  JROH5547  Sanicula bipinnata John Rawlings 2013-4-15 1169 San Mateo Jasper Ridge Biological Preserve, Stanford University. Southeast side of creek and about 75 meters upstream of bridge on Trail 11. 136 Comment
  CAS-BOT-BC223327  Sanicula bipinnatifida John H. Thomas 1958-3-19 7067 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco 91 Comment
  CAS-BOT-BC223319  Sanicula bipinnatifida Elizabeth McClintock; Philip Wheeler 1967-5-14 s.n. San Mateo San Bruno Mountain. East side of mountain, above Harold Ave., Brisbane Comment
  CAS-BOT-BC223328  Sanicula bipinnatifida John H. Thomas 1974-4-11 17132 San Mateo To the SE of Canada Road and Edgewood Road. NW of Woodside 152 Comment
  JROH337  Sanicula crassicaulis John H. Thomas 1974-5-3 17243 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH345  Sanicula crassicaulis John Hunter Thomas 1987-5-15 24287 San Mateo Jasper Ridge Biological Preserve, Stanford University; near picnic area Comment
  UCR124188  Sanicula crassicaulis George K. Helmkamp, E. A. Helmkamp 2001-6-2 6784 San Mateo San Francisco Bay Region, Purisima Creek Road, east of Half Moon Bay at Purisima Creek, 3.2 miles east of CA Hwy 1 244 Comment
  CAS-BOT-BC166810  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
  POM319917  Sanicula crassicaulis Barbara Shervanick 1973-4-1 817 San Mateo San Bruno Mt. at first summit at end of Crocker Rd. Comment
  RSA784607  Sanicula crassicaulis Peter Rubtzoff 1976-6-30 8712 San Mateo San Bruno Mountains: Saddle area on N side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  JEPS85232  Sanicula hoffmannii Roy E. Buck, James A. West, Roger Raiche 1984-7-29 510 San Mateo on nw-facing slope overlooking Cascade Ck. (e of ranch headquarters, ca 0.8 air km ne of CA Hwy 1, 3.3 air km ne of Point Ano Nuevo); Cascade Ranch 152 Comment
Read comments Oct 12 2021
  POM202470  Satureja douglasii L. S. Rose 1933-6-9 s.n. San Mateo 3 miles W of San Bruno. Comment
  UC11756  Saxifraga californica Ivar Tidestrom 1894-3-22 San Mateo Comment
  RSA187287  Scandix pecten-veneris John H. Thomas 1964-4-19 10314 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles SW of Palo Alto Comment
  JROH365  Scandix pecten-veneris John Hunter Thomas 1991-5-2 25013 San Mateo Jasper Ridge Biological Preserve, Stanford University; Goya Gate Comment
  RSA176539  Schedonorus arundinaceus John H. Thomas 1963-8-4 10235 San Mateo About 2.5 miles inland from San Gregorio along the highway Comment
  RSA790262  Schedonorus arundinaceus Peter Rubtzoff 1976-6-13 8633 San Mateo San Bruno Mtn: 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction and NW of Fog Forest. Comment
  RSA140840  Schinus molle John H. Thomas 1960-6-25 8788 San Mateo Redwood City. Along or near a small creek running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street. alt. below 25 feet. 8 Comment
  SEINET11754563  Schoenoplectus pungens E. A. Purer 1933-1 5391 San Mateo 2 mi S of Pigeon Point Comment
  SEINET3914302  Scirpus cernuus Ira L. Wiggins, Roxana S. Ferris 1939-8-2 9290 San Mateo Aon Nuevo Point.; 0 Comment
  CAS-BOT-BC111062  Scirpus microcarpus Walter Knight; Irja Knight 1964-5-30 s.n. San Mateo Colma Canyon Comment
  UC1100816  Scirpus pungens Malcolm A. Nobs, S. Galen Smith 1949-8-25 1558 San Mateo Sharp Park; marshes Comment
  CAS-BOT-BC519009  Scoliopus bigelovii W. E. Mason 1917-4-1 s. n. San Mateo La Honda Grade Comment
  CAS-BOT-BC519022  Scoliopus bigelovii C. F. Baker 1902-3-18 322 San Mateo King's Mountain Comment
  POM193870  Scoliopus bigelovii Le Roy Abrams 1904-3-7 s.n. San Mateo Bear Gulch. Santa Cruz Mountain Peninsula. Comment
  RSA0028841  Scoliopus bigelovii D. D. Keck 1932-2-12 1359 San Mateo La Honda Road, east slope of Coast Range above Searsville Lake 305 Comment
  SEINET12051468  Scoliopus bigelovii F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -223 San Mateo 0.5 mi from junction of Kings Mt Rd & CA 35, on former enroute to Woodside, near Skyline Trail head 580 Comment
  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
  CDA7621  Scolymus hispanicus T. C. Fuller 1965-7-8 13755 San Mateo D. McBryde property, 140 Eleanor Drive, Woodside. 0 Comment
  CDA7624  Scolymus hispanicus T. C. Fuller 1965-7-8 13755 San Mateo D. McBryde property, 140 Eleanor Drive, Woodside. 0 Comment
  JROH4122  Scrophularia californica James Newman 1951-4-21 16 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake, in slight ravine above lake Comment
  JROH4123  Scrophularia californica John H. Thomas 1962-7-15 9917 San Mateo Jasper Ridge Biological Preserve, Stanford University; near northern end of ridge Comment
  SEINET12287674  Scrophularia californica Unknown 1933-1 104 San Mateo Mud Lake Comment
  UC1012347  Scrophularia californica F. W. Pennell and D. D. Keck 1949-5-14 25416 San Mateo above Redwood City (Emerald Lake) 45 Comment
  RSA427186  Scrophularia californica subsp. floribunda E. S. Spalding 1923-8-3 s.n. San Mateo 3 miles W of Redwood City, near Pulgas Tunnel. Comment
  CAS-BOT-BC376418  Scrophulariaceae Greg de Nevers 2001-9-26 12630 San Mateo Palo Alto. Comment
  CAS-BOT-BC363401  Senecio aronicoides Margaret Barry 1937-5-23 149 San Mateo Coal Mine Ridge Comment
  JROH1215  Senecio aronicoides W. R. Dudley 1894-5-13 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Dam Comment
  JROH1219  Senecio aronicoides John H. Thomas 1967-5-10 12855 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA0012755  Senecio aronicoides John H. Thomas 1958-5-10 7163 San Mateo Jasper Ridge, about 5 miles southwest of Palo Alto. 152 Comment
  CAS-BOT-BC363389  Senecio aronicoides Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mountain. South Power Line Ridge Comment
  CAS-BOT-BC363736  Senecio hydrophilus Le Roy Abrams 1901-9-1 2220 San Mateo Menlo Park, borders of S.F. Bay Comment
  RSA195550  Senecio mikanioides John H. Thomas 1967-2-9 12399 San Mateo San Bruno. Near intersection of Skyline Blvd. and Berkshire Dr. Comment
  CAS-BOT-BC364636  Senecio vulgaris John H. Thomas 1956-12-23 6481 San Mateo At 198 Oak Court, Menlo Park Comment
  CAS-BOT-BC80294  Sequoia sempervirens William R. Dudley 1894-2-25 s.n. San Mateo near Summit Springs Comment
  POM222897  Sequoia sempervirens S. S. Berry 1909-3-13 s.n. San Mateo King s Mountain. 640 Comment
  RSA157753  Sequoia sempervirens I. L. Wiggins 1925-04 1659 San Mateo On Kings Mtn Road three fourths of a mile above Woodside. Comment
  UC429816  Sequoia sempervirens W. R. Dudley 1901-1 San Mateo near Searsville Comment
  UC766822  Sequoia sempervirens R. F. Hoover 1941-2-12 4756 San Mateo above La Honda; La Honda Creek Comment
  UCSB9574  Sequoia sempervirens Haller, John 1950-4-24 San Mateo Skyline drive, junction with woodside, La Honda Road 609 Comment
  JROH5894  Sequoia sempervirens M. Ray 1982-5-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Redwood grove, San Francisquito Creek Comment
  SEINET11737927  Sequoia sempervirens E. L. Dudley 1904-1 74 San Mateo Canada de Raymundo, Santa Cruz Mts, Santa Cruz peninsula 274 Comment
  UCR101676  Sherardia arvensis George K. Helmkamp, E. A. Helmkamp 1998-5-16 3750 San Mateo Portola Valley, Golden Hills Rd along Los Trancos Creek 107 Comment
  SD114361  Sherardia arvensis Darley F. Howe 1967-4-14 4350 San Mateo 7 miles from San Mateo on road to Half Moon Bay 121 Comment
  SD39293  Sidalcea diploscypha Janet Turner 1933-5-30 3669 San Mateo Woodside. 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
  CHSC109021  Sidalcea malviflora R. F. Thorne; Percy C. Everett 1963-6-9 32221 San Mateo Central Western; San Francisco Bay area; on top of San bruno Mountain on Kambhatka Point near the TV tower. Comment
  UC1589119  Sidalcea malviflora W. Roderick 1961-1-15 61 .012 San Mateo 2.6 mi n Kings Mt. Rd. (nw of Woodside, Cahil Ridge on Skyline Blvd., Highway 5); nw of Woodside, Cahil Ridge on Skyline Blvd Comment
  UC676738  Sidalcea malviflora subsp. laciniata Reed C. Rollins 1941-3-22 2949 San Mateo 1 mi n Belmont; n of Belmont Comment
  RSA18461  Sidalcea malviflora subsp. malviflora Carl B. Wolf 1927-6-29 547 San Mateo South of Pebble Beach near Pescadero. Comment
  SD67293  Sidalcea malviflora subsp. malviflora Darley F. Howe 1967-4-13 4343 San Mateo Pebble Beach Comment
  UC18911  Sidalcea malviflora subsp. malviflora Ivar Tidestrom 1894-3-22 San Mateo Comment
  POM151335  Silene californica C. F. Baker 1903-6-30 33522 San Mateo Crystal Springs Comment
  CAS-BOT-BC386861  Silene gallica G. Edelbrock 1975-3-21 022 San Mateo On ridge ar end of crocker Street; San bruno Mountain 152 Comment
  CAS-BOT-BC364857  Silybum marianum George Oberlander 1949-7-24 257 San Mateo San Francisco Watershed Reserve. On Sawyer Ridge Comment
  CAS-BOT-BC364858  Silybum marianum W. R. Dudley 1893-6-8 s.n. San Mateo Santa Cruz Peninsula. Cedro Cottage, Stanford University Comment
  CAS-BOT-BC364860  Silybum marianum J. H. Thomas 1949-5-25 562 San Mateo Near western approach to the Dumbarton Bay Bridge Comment
  CAS-BOT-BC74986  Sinapis arvensis Fred Hemphill 1973-4-8 604 San Mateo San Carlos. North of Malabar Road and Melendy Drive. 207 Comment
  CAS-BOT-BC75379  Sisymbrium orientale Walter Knight; Irja Knight 1965-4-11 s.n. San Mateo San Bruno Mountains. Guadalupe Road about 0.5 mile from Radio Road. Comment
  POM193639  Sisyrinchium bellum Le Roy Abrams 1902-4-13 2327 San Mateo San Andreas Lake. 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
  UC1577337  Smilacina racemosa Cynthia DiGiovanni 1971-4-4 19 San Mateo Alpine Road Menlo Park (foothills) Comment
  RSA181219  Solanum americanum John H. Thomas 1965-11-26 11453 San Mateo At intersection of Tunitas Creek Road and Lobos Creek cutoff. 122 Comment
  UC73600  Solanum americanum Harley P. Chandler 1901-3-15 814 San Mateo w of Colma Comment
  RSA202897  Solanum americanum G. Ledyard Stebbins, E. L. Paddock 1939-8-17 61 San Mateo San Gregornio. Comment
Read comments Oct 11 2021
  RSA34830  Solanum physalifolium var. nitidibaccatum I. L. Wiggins 1945-9-22 11196 San Mateo Moss Beach. Comment
  CAS-BOT-BC154180  Solanum umbelliferum A. D. Randall 1907-4-27 406 San Mateo King's Mt. Road Comment
  NY820569  Solanum umbelliferum L. Abrams 1914-4-2 5073 San Mateo Woodside Comment
  POM226871  Solanum umbelliferum L. R. Abrams 1914-4-2 5073 San Mateo Woodside Comment
  POM87735  Solanum umbelliferum L. R. Abrams 1902-1-7 2262 San Mateo Kings Mts. Comment
  JROH4195  Solanum umbelliferum John Hunter Thomas 1989-5-11 24732 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near bridge on causeway, bridge separates two parts of lake Comment
  SEINET7262176 Image available Solanum umbelliferum L. R. Abrams 1914-4-2 5073 San Mateo San Mateo County Comment
  CDA8732  Solidago canadensis A. Roach 1972-11-17 San Mateo Railroad right-of-way, South San Francisco. 0 Comment
  POM183401  Solidago canadensis subsp. elongata L. S. Rose 1931-9-19 s.n. San Mateo Kings Mountain. Comment
  CAS-BOT-BC353471  Solidago elongata Peter Rubtzoff 1976-10-5 8909 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction. Western part of the area, on slope near fence, San Bruno Mountains. Comment
  JEPS30890  Solidago elongata J. H. Thomas 1959-8-16 8065 San Mateo about 2 mi sw Pescadero 60 Comment
  CAS-BOT-BC365936  Soliva sessilis J. H. Thomas 1954-6-11 4283 San Mateo About 0.25 miles north of Pigeon Point Light House Comment
  JROH1245  Soliva sessilis John Hunter Thomas 1980-5-8 19960 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC353415  Soliva sessilis Peter Rubtzoff 1977-4-14 8940 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction. East Fork Colma Creek canyon area, San Bruno Mountains. Comment
  JROH1238  Soliva sessilis John H. Thomas 1955-5-6 5000 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSC007747  Sonchus asper subsp. asper Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC374703  Sonchus oleraceus Josephine D. Randall 1907-4-27 99 San Mateo Santa Cruz Peninsula. Kings Mt. Comment
  JROH5523  Sparganium eurycarpum var. eurycarpum John H. Thomas 1964-6-3 10412 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake near bridge. Comment
  JROH5531  Sparganium eurycarpum var. eurycarpum John Hunter Thomas 1992-7-24 25390 San Mateo Jasper Ridge Biological Preserve, Stanford University. In water near boat ramp. Comment
  CAS-BOT-BC236629  Spartina foliosa Ray Pestrong 1963-11-8 s.n. San Mateo In the marsh near East Palo Alto, Dumbarton Bridge, South San Francisco Bay Comment
  RSA121019  Spartina foliosa J. T. Howell 1956-11-22 31962 San Mateo Redwood City Comment
  JROH1743  Spergula arvensis John Hunter Thomas 1978-4-25 19157 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD99177  Spergula arvensis J. D. Skoss 1948-7-25 51 San Mateo San Vicente Canyon near Montara. Comment
  CHSC56977  Spergularia macrotheca Josephine Boyd 1988-5-3 San Mateo On Sand Point in the Menlo Park Baylands at the e end of The Embarcadero, ca 0.5 mi e of the Palo Alto Municipal Airport and 0.3 mi nw of the San Mateo County-Santa Clara County boundary. 4 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-BC390467  Spergularia macrotheca var. macrotheca Elsie M. Zeile 1921-7-30 s.n. San Mateo Salada Comment
  CAS-BOT-BC220976  Stachys Ned Cahill 1974-5-13 252 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  SJSU15219  Stachys ajugoides Toni Corelli 2011-5-21 701 San Mateo Ano Nuevo State Park, Cascade Field 12 Comment
  JEPS34472  Stachys ajugoides var. rigida L. R. Heckard, and R. Bacigalupi 1963-7-2 1361 San Mateo trail to Montara Peak (nw slope) (above old county road); Montara Peak 304 Comment
  CDA20434  Stachys bullata A. Gilbert 1997-6-8 s.n. - 5 San Mateo San Francisco Bay Area; La Honda. 0 Comment
  UC25937  Stachys bullata J. Burtt Davy 1895-4-20 1036 San Mateo Lake San Andreas Comment
  UC32569  Stachys bullata W. C. Blasdale 1893-6-23 San Mateo Pilarcitos Comment
  POM63420  Stachys chamissonis A. D. E. Elmer 1903-07 4760 San Mateo Pilarcitos Stone Dam. Comment
  JEPS121450  Stachys rigida subsp. quercetorum Adam C. Schneider 2013-5-17 125 San Mateo Crystal Springs Reservoir Comment
  CAS-BOT-BC164654  Stachys rigida subsp. quercetorum Peter Rubtzoff; Elizabeth McClintock; Barbara Deutsch 1978-6-4 9202 San Mateo San Bruno Mountain. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  RSA63022  Stachys rigida subsp. quercetorum L. S. Rose 1950-5-20 50139 San Mateo Emerald Lake region, hills w. of Redwood City. 244 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
  UCD23431  Stachys rigida subsp. rivularis A. Bennett 1977-5-29 39 San Mateo 0.7 miles north of Hayne Rd. intersection with Hwy 35. Collected on steep north facing slope in the shade of coast live oaks. Chaparral and oak woodland. 60 Comment
  JROH5848  Stachys rigida var. quercetorum Marcel Reeves 1954-4-23 49 San Mateo Jasper Ridge Biological Preserve, Stanford University; above Searsville Lake 167 Comment
  JROH5890  Stachys rigida var. quercetorum Ruth Porter 1998-4-28 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  NY415807  Stachys viarum A. A. Heller 1907-5-28 8581 San Mateo Back of San Mateo on the Half Moon Bay road Comment
  CAS-BOT-BC374794  Stebbinsoseris heterocarpa K. L. Chambers 1952-5-24 418 San Mateo 1.2 mi. towards Woodside from Skyline junction of Woodside-La Honda road, (1.2 mi. e. of Skyline Blvd.). [Locality info from collection label and voucher label combined.] Comment
  CAS-BOT-BC394062  Stellaria media Fred Hemphill 1973-3-9 641 San Mateo 347 Alberta Way, Hillsborough (1 mile from Skyline Blvd.) Comment
  CAS-BOT-BC394065  Stellaria media Robert Martineau 1974-3-27 11 San Mateo Foothills of the eastern side of the Santa Cruz Mountains. Five miles south of center of Palo Alto; Foothill Park, Palo Alto 548 Comment
  JROH1780  Stellaria media John H. Thomas 1973-3-12 16489 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1784  Stellaria media John Hunter Thomas 1981-4-5 20289 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek Comment
  JROH5560  Stellaria nitens John Rawlings 2013-4-19 1154 San Mateo Jasper Ridge Biological Preserve, Stanford University. South side of Trail 11 in a level section in chamise. 136 Comment
  UC1536756  Stephanomeria elata G. H. True Jr. 1937-7-31 830 San Mateo near Skyline Blvd. (Alpine Road) 182 Comment
  JROH1274  Stephanomeria virgata John H. Thomas 1978-9-24 19337 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5388  Stipa miliacea var. miliacea John Hunter Thomas 1989-5-30 24757 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5392  Stipa miliacea var. miliacea Ann Lambrecht 2004-7-20 11 San Mateo Jasper Ridge Biological Preserve, Stanford University. Off Trail 13, about 10 m from W end of Leonard's bridge, and about 2 m N of bridge. Comment
  JROH5393  Stipa miliacea var. miliacea John Rawlings 2011-10-11 1088 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along the brick path from Visitor Parking to Sun Field Station. 119 Comment
  JROH5329  Stipa pulchra John H. Thomas 1955-5-6 4995 San Mateo Jasper Ridge Biological Preserve, Stanford University. Small draw on south side of ridge. Comment
  JROH5336  Stipa pulchra John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5609  Stuckenia pectinata Ann Lambrecht, Paul Heiple 2008-8-6 45 B San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake. Comment
  POM313014  Stuckenia pectinata Malcolm A. Nobs, S. Galen Smith 1949-8-25 1552 San Mateo Marshes at Sharp Park. Comment
  SBBG35017  Stylomecon heterophylla A. D. E. Elmer -May-1903 4921 San Mateo San Pedro [Point?] Comment
  CAS-BOT-BC423016  Stylomecon heterophylla Philip C. Wheeler 1965-5-12 s.n. San Mateo San Bruno Mountain. South Canyon below western power lines. Comment
  RSA681533  Symphoricarpos Annuschka Deb 1989-6-13 236 San Mateo Woodside, Yerba Buena Nursery Demonstration Garden. Comment
  SEINET8060318  Symphoricarpos albus C. F. Baker 1901-9-5 238 San Mateo West side Kings Mountain. Comment
  CAS-BOT-BC271644  Symphoricarpos albus var. laevigatus George Oberlander 1950-3-18 590 San Mateo San Mateo Creek Comment
  CAS-BOT-BC271650  Symphoricarpos albus var. laevigatus Elizabeth McClintock 1964-2-16 s.n. San Mateo Lowe part of Radio Road, San Bruno Mountain Comment
  RSA152163  Symphoricarpos albus var. laevigatus John H. Thomas 1961-5-7 9267 San Mateo San Bruno Mountain, in northern part of county. 305 Comment
  CAS-BOT-BC237062  Symphoricarpos mollis W. R. Dudley 1899-5-24 s.n. San Mateo Near Redwood City, Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC237063  Symphoricarpos mollis W. R. Dudley 1893-5-27 s.n. San Mateo Kings Mt., Santa Cruz Range, Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC237065  Symphoricarpos mollis J. H. Thomas 1955-3-21 4694 A San Mateo New La Honda Road between Searsville and Skyline Blvd., 1.8 miles from Searsville, eastern slope of the Santa Cruz Mts. 274 Comment
  POM46711  Symphoricarpos mollis C. F. Baker 1901-9-5 238 San Mateo West Side Kings Mt. Comment
  CAS-BOT-BC99087  Symphyotrichum chilense John H. Thomas 1976-10-7 18395 San Mateo Along coast highway #1, 0.6 miles north of northern most road to Pigeon Pt. Lighthouse. About 4.2 miles almost due south 30 Comment
  UC1119620  Symphyotrichum chilense A. E. Wieslander 1935-2-3 506 San Mateo .5 me se of Pigeon Pt.; Santa Cruz Quad. 30 Comment
  CAS-BOT-BC99062  Symphyotrichum chilense Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain - Quarry 4 Comment
  CAS-BOT-BC99097  Symphyotrichum chilense Helen D. Geis 1901-10-25 s.n. San Mateo Crystal Springs to Half Moon Bay Comment
  CAS-BOT-BC376711  Tanacetum bipinnatum Barbara Sherfey; Arthur L. Menzies 1963-9-14 s.n. San Mateo San Bruno Hills Comment
  JROH1286  Taraxacum officinale John H. Thomas 1976-4-19 18084 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH5751  Taraxia ovata L. Nordby 1982-4-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Searsville Lab on the west side of Searsville Lake. Comment
  JEPS897  Tauschia kelloggii J. Burtt Davy Jun 21 1893-Jun 23 1893 San Mateo Pilarcitos Lake and Canyon Comment
  SD146155  Tellima grandiflora G. K. Helmkamp, E. A. Helmkamp 1999-6-28 4971 San Mateo Pescadero Creek Watershed: Pescadero Rd just N of Loma Mar. 106 Comment
  CAS-BOT-BC447476  Tellima grandiflora Philip C. Wheeler; Elizabeth McClintock 1967-6-11 s.n. San Mateo North facing brushy slope to south of new Guadalupe Parkway just before it meets Radio Road Comment
  CAS-BOT-BC438263  Tetragonia tetragonoides R. Bacigalupi 1941-10-22 2740 San Mateo Very close to the San Francisco-San Mateo County Line. Comment
  RSA14506  Tetragonia tetragonoides I. L. Wiggins 1935-8-24 8161 San Mateo Inner edge of beach at Moss Beach Comment
  JROH3505  Thalictrum fendleri var. polycarpum Daniel Cohen 1953-4-11 14 A San Mateo Jasper Ridge Biological Preserve, Stanford University. Growing near roadside at edge of Searsville Lake Comment
  UC311127  Thalictrum fendleri var. polycarpum A. D. E. Elmer June, 1903 4425 San Mateo Butano Creek Comment
Read comments Sep 6 2011
  UCR122981  Thalictrum fendleri var. polycarpum George K. Helmkamp, E. A. Helmkamp 2001-6-2 6787 San Mateo San Francisco Bay Region, Purisima Creek Road, east of Half Moon Bay at Purisima Creek, 3.2 miles east of CA Hwy 1 244 Comment
  CAS-BOT-BC399838  Thalictrum polycarpum Margaret A. Barry 1938-4-21 248 San Mateo By Los Trancos Creek near Coal Mine Ridge 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
  UC311389  Thermopsis californica var. californica A. D. E. Elmer May, 1903 4824 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC66667  Thysanocarpus curvipes John H. Thomas 1972-4-1 16044 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  CAS-BOT-BC66677  Thysanocarpus curvipes Margaret A. Barry 1937-4-21 3 San Mateo On Coal Mine Ridge. Comment
  JROH1617  Thysanocarpus curvipes John Hunter Thomas 1989-4-8 24625 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH1623  Thysanocarpus curvipes John Hunter Thomas 1991-4-9 24976 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC66682  Thysanocarpus curvipes George Oberlander 1949-4-22 688 San Mateo San Francisco Watershed Reserve. On Northern Cahill Ridge. Comment
  RSA0039332  Thysanocarpus curvipes var. curvipes Carl B. Wolf 1929-5-17 3716 San Mateo 1 mi. west of Skyline Drive on Alpine Road. Comment
  JROH407  Torilis nodosa John Hunter Thomas 1992-5-14 25224 San Mateo Jasper Ridge Biological Preserve, Stanford University; near boat ramp Comment
  CAS-BOT-BC81499  Torreya californica Ira L. Wiggins 1945-5-5 11161 San Mateo along La Honda Creek about 1 mile above La Honda 152 Comment
  SD39145  Toxicoscordion fremontii Marie Cummings 1933-4-11 13 San Mateo Pescadaro. Comment
  JROH4296  Tribulus terrestris Toni Corelli 2005-9-14 305 a San Mateo Jasper Ridge Biological Preserve, Stanford University; along road B just west of entrance to Dennis Martin marker site 168 Comment
  UC1537517  Trientalis latifolia Gordon H. True Jr. 1936-4-5 394 San Mateo Between San Gregorio and Pescadero 45 Comment
  RSA116716  Trientalis latifolia Josephine Randall 1908-5-20 s.n. San Mateo Iversons near Peter Creek Comment
  UCSC010359  Trifolium Dylan M. Neubauer 2016-5-19 690 San Mateo (SnFrB) Santa Cruz Mountains, headwaters of Waterman Creek, w of Hwy 9 423 Comment
  JROH2227  Trifolium albopurpureum John Hunter Thomas 1980-4-10 19868 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET11173447 Image available Trifolium albopurpureum A. A. Heller 1907-5-23 8554 San Mateo Back of San Mateo on the Half Moon Bay road Comment
  UC1129949  Trifolium albopurpureum var. albopurpureum H. S. Yates 1935-5-8 5206 San Mateo 2 mi n Langley Hill 579 Comment
  SJSU660  Trifolium amplectens var. stenophyllum A. W. Jacobs 1941-4-20 San Mateo Jasper Ridge above Searsville L Comment
  JROH2243  Trifolium barbigerum John Hunter Thomas 1986-4-18 23957 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC311113  Trifolium barbigerum A. D. E. Elmer Apr, 1903 4859 San Mateo Lake San Andreas Comment
  JEPS127847  Trifolium bifidum var. bifidum Adam C. Schneider with C. Matt Guilliams 2013-4-7 85 San Mateo Comment
  UC203043  Trifolium bifidum var. bifidum A. D. E. Elmer May, 1903 4714 San Mateo Portola Comment
  SJSU7992  Trifolium bifidum var. bifidum M. S. Hall 1965-5-8 111 San Mateo near canyon bottom, W San Carlos Hills Comment
  UCD107907  Trifolium bifidum var. decipiens Lewis S. Rose 1966-5-2 66035 San Mateo Emerald Lake, west of Redwood City. 91 Comment
  RSA14963  Trifolium bifidum var. decipiens L. S. Rose 1935-5-1 35134 San Mateo Redwood City Comment
  UCSC006001  Trifolium buckwestiorum Randall Morgan 1996-5-18 2955 San Mateo Seed from Coal Mine Ridge Comment
  SBBG33500  Trifolium ciliolatum A. D. E. Elmer -May-1903 San Mateo Portola Comment
  UC165612  Trifolium ciliolatum J. Burtt Davy 1893-6-17 775 San Mateo Belmont Comment
  JROH2276  Trifolium depauperatum var. truncatum John Hunter Thomas 1985-4-11 23524 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2281  Trifolium fucatum Marie Tifft 1952-5-10 42 San Mateo Jasper Ridge Biological Preserve, Stanford University; above Searsville Lake 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
  JROH2309  Trifolium fucatum John Hunter Thomas 1991-5-7 25035 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC866776  Trifolium fucatum Alice Eastwood 1915-6-13 4720 San Mateo Granada Comment
  UCD109026  Trifolium fucatum June McCaskill 1954-5-8 290 San Mateo Moss Beach. Comment
  RSA40291  Trifolium fucatum var. fucatum L. S. Rose 1948-5-9 48109 San Mateo West of Burlingame. 122 Comment
  UCSC005240  Trifolium fucatum var. fucatum Randall Morgan 1995-6-6 2723 San Mateo Pescadero State Beach, Highway 1 opposite Pescadero Road Comment
  SJSU15442  Trifolium glomeratum Toni Corelli 2010-5-13 602 San Mateo Pedro Point Headlands, Pacifica, CA, disturbed area along South Ridge Trail, west of Hwy. 1 100 Comment
  JEPS127823  Trifolium gracilentum Adam C. Schneider with C. Matt Guilliams 2013-4-7 80 San Mateo Comment
  JROH2315  Trifolium gracilentum Ynez Henderson 1920-4-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lake Comment
  UCSB8433  Trifolium gracilentum Haller, John 1950-3-24 San Mateo Near Atherton, 3 miles northwest of Stanford University Comment
  RSA120974  Trifolium grayi W. R. Dudley 1896-4-17 s.n. San Mateo Pebble Beach Pasture. Pescadero. Comment
  SJSU659  Trifolium grayi J. E. Hagerty 1950-5-20 San Mateo Pescadero Comment
  UC165602  Trifolium macraei J. Burtt Davy 1895-1 1076 San Mateo Pilarcitos Comment
  RSA120982  Trifolium macraei W. R. Dudley s.n. San Mateo Near Colma 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
  SJSU15437  Trifolium microcephalum Toni Corelli 2010-5-13 606 San Mateo Pedro Point Headlands, Pacifica, CA, along South Ridge Trail 180 Comment
  CDA28004  Trifolium microdon D. G. Kelch 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  UCD109276  Trifolium oliganthum R. Tofsrud 1952-1 2 San Mateo Near Foster. Comment
  UCSC006059  Trifolium oliganthum Randall Morgan 1996-5-24 2972 San Mateo Pescadero Creek Comment
  JROH2370  Trifolium variegatum Carl B. Wolf 1929-4-24 3657 San Mateo Jasper Ridge Biological Preserve, Stanford University; so. west end of Jasper Ridge 152 Comment
  JROH2374  Trifolium variegatum John H. Thomas 1956-4-7 5605 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent slopes Comment
  JROH2386  Trifolium variegatum John Hunter Thomas 1978-4-20 19080 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET3131915  Trifolium variegatum L. S. Rose 1937-5-2 37251 San Mateo Burlingame 91 Comment
  RSA18091  Trifolium variegatum Carl B. Wolf 1929-4-24 365724 San Mateo south west end of Jasper Ridge, near Searsville Lake Comment
  UCSC006363  Trifolium variegatum Randall Morgan 1995-6-6 2725 San Mateo Group at Bean Hollow State Beach 2.5 mi S of Pescadero Rd. Comment
  CDA28079  Trifolium willdenovii D. G. Kelch 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  SJSU15438  Trifolium willdenovii Toni Corelli 2010-5-13 605 San Mateo Pedro Point Headlands, Pacifica CA; along Arroyo Trail. 170 Comment
  UC74993  Trifolium willdenovii C. F. B. 1902-4-4 445 San Mateo Crystal Springs Lake Comment
  CDA28299  Trifolium willdenovii T. C. Fuller 1967-6-13 15942 San Mateo Half Moon Bay Harbor, north edge of the town of Half Moon Bay. 0 Comment
  UCSC006033  Trifolium willdenovii Randall Morgan 1996-5-24 2967 San Mateo Pacifica, San Pedro Mt. Comment
  JEPS66103  Trifolium wormskioldii William S. Cooper 1919-7-22 205 San Mateo Ano Nuevo Pt Comment
  UC80455  Trifolium wormskioldii Katharine Brandegee June 1905 San Mateo Moss Beach Comment
  UCD109929  Trifolium wormskioldii June McCaskill 1954-5-8 291 San Mateo On bank above beach; Moss Beach. Comment
  CAS-BOT-BC451906  Triglochin maritima Walter Knight; Irja Knight 1965-4-20 1084 San Mateo San Bruno Mountain. Near Bethlehem Steel in S.S.F. on Pt. San Bruno. Comment
  SJSU118  Triglochin scilloides C. D. Duncan 1931-5-11 San Mateo San Mateo Comment
  JROH4726  Trillium chloropetalum John H. Thomas 1973-5-5 16759 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1140924  Trillium chloropetalum W. R. Dudley 1900-3-16 San Mateo by trail n. of Tripp's Store Woodside; Santa Cruz Peninsula, Woodside Comment
  UC142121  Trillium chloropetalum Michener and Bioletti March, 1893 San Mateo near Colma Comment
  CDA39377  Trillium chloropetalum A. C. Browne 1950-3-27 72 San Mateo Jasper Ridge. 0 Comment
  CAS-BOT-BC521006  Trillium chloropetalum var. chloropetalum Janet Jones 1981-1-17 s. n. San Mateo On south side of Montara Mountain, Montara Comment
  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-BC521204  Trillium chloropetalum var. giganteum Ira L. Wiggins 1931-2-21 5092 San Mateo Pescadero Beach Comment
  CAS-BOT-BC133431  Trillium ovatum John Hunter Thomas 1954-4-3 3822 San Mateo Along San Gregorio Creek about 1.5 miles west of La Honda 106 Comment
  POM169961  Trillium ovatum C. F. Baker 1902-3-18 329 San Mateo West side Kings Mountain. Comment
  RSA120210  Trillium ovatum S. S. Tillett, I. Sternback 1956-6-24 526 San Mateo Middleton property, behind (N.) Portola Camp Store, just outside Portola State Park. 396 Comment
  JROH4130  Triphysaria eriantha subsp. eriantha W. R. Dudley 1896-3-8 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; ridge east of Searsville Dam Comment
  HSC20846  Triphysaria eriantha subsp. rosea L. S. Rose 1965-3-25 65010 San Mateo San Bruno Mtns., N end 122 Comment
  CAS-BOT-BC238570  Triphysaria floribunda W. R. Dudley 1900-3-17 s.n. San Mateo The Santa Cruz Peninsula. Seal Cove Comment
  JROH4131  Triphysaria pusilla John H. Thomas 1955-5-6 4997 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4134  Triphysaria pusilla John H. Thomas 1961-4-8 9076 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS10445  Triphysaria versicolor subsp. versicolor Adele Lewis Grant 1917-5-6 934 San Mateo Pebble Beach 3 Comment
  SEINET182864 Image available Triteleia hyacinthina John Campbell 1925-4-12 San Mateo Burlingame Comment
  JROH4748  Triteleia laxa John H. Thomas 1973-4-14 16551 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4752  Triteleia laxa John Hunter Thomas 1977-6-16 18777 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4753  Triteleia laxa John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR101434  Triteleia laxa George K. Helmkamp, E. A. Helmkamp 1998-5-16 3752 San Mateo Portola Valley, Golden Hills Rd along Los Trancos Creek 107 Comment
  IRVC9054  Triteleia laxa P. W. Rundel 1963-6-11 1118 San Mateo San Fransisco Bay drainage area; Old La Honda Road. Santa Cruz Mountain Range 305 Comment
  CAS-BOT-BC200487  Triticum aestivum Phillip C. Wheeler 1965-6-19 s.n. San Mateo Brisbane Lagoon Comment
  SEINET7951747 Image available Typha angustifolia I. L. Wiggins 1929-7-4 3803 San Mateo near Pescadero Beach Comment
  POM204316  Typha angustifolia I. L. Wiggins 1929-7-4 3803 San Mateo Marsh near Pescadero Beach. Comment
  JROH5578  Typha latifolia John Rawlings 2012-7-9 1202 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near upper lake (west of Portola Rd.) adjacent to power line right-of-way. 106 Comment
  CAS-BOT-BC212678  Ulex europaeus John H. Thomas 1974-5-7 17312 San Mateo San Bruno Mountain, norther part opf county. Near the Radio Broadcast Towers near summit. Comment
  CAS-BOT-BC213097  Ulex europaeus J. H. Thomas 1960-11-11 8924 San Mateo Along Skyline Drive about 0.2 mi. N. of Pulgas water temple. 91 Comment
  CAS-BOT-BC213098  Ulex europaeus J. H. Thomas 1960-11-11 8924 San Mateo Along Skyline Drive about 0.2 mi. N of Pulgas water temple. 91 Comment
  CDA31313  Ulex europaeus John Beall 2009-12-16 PDR# 1527839 San Mateo Brisbane: Sierra Point Parkway, Brisbane Marina. Comment
  JEPS87362 Image available Ulex europaeus Don Pendleton 1993-10-28 San Mateo 0.3 mi e San Bruno Mountain County Park Gatehouse (on Guadalupe Canyon Parkway); San Bruno Mountain County Park 300 Comment
  RSA563837  Ulex europaeus Don Pendleton 1993-10-28 s.n. San Mateo San Bruno Mountain State/County Park, 0.3 mi. E. of the park gate/parking lot on Guadalupe Canyon Park. 300 Comment
  SJSU2918  Ulex europaeus L. J. Hoffman 1963-1-3 124 San Mateo Mt San Bruno off Crocker Ave, Daly City Comment
  JROH4220  Ulmus minor John Hunter Thomas 1985-4-25 23559 San Mateo Jasper Ridge Biological Preserve, Stanford University. Causeway Comment
  CAS-BOT-BC91230  Umbellularia californica Peter H. Raven 1964-2-16 18743 San Mateo Just south of Lake San Andreas. Comment
  JROH145  Umbellularia californica John H. Thomas 1984-10-22 23488 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET3559461 Image available Umbellularia californica Lewis S. Rose 1934-2-12 34028 San Mateo Burlingame. Comment
  CAS-BOT-BC403970  Urtica dioica subsp. gracilis Dennis W. Woodland 1970-8-14 1624 San Mateo At Stage Road and Seaside School Road on NE corner Comment
  POM580641  Urtica urens Lyman D. Benson 1935-5-12 6548 San Mateo Menlo Park 30 Comment
  CAS-BOT-BC199362  Vaccinium ovatum George Oberlander 1949-4-17 67 San Mateo Cahill Ridge Comment
  CAS-BOT-BC199363  Vaccinium ovatum W. R. Dudley 1898-3-5 s.n. San Mateo Kings Mountain Comment
  CAS-BOT-BC199365  Vaccinium ovatum Elizabeth McClintock 1966-5-1 s.n. San Mateo Kamchatka Point Comment
  POM222793  Vaccinium ovatum S. S. Berry 1909-3-13 s.n. San Mateo San Mateo Comment
  RSA471173  Vaccinium ovatum L. S. Rose 1934-2-23 34036 San Mateo King's Mountain. Comment
  UC634722  Vaccinium ovatum Herbert L. Mason 1927-4-23 3671 San Mateo La Honda Comment
  RSA112362  Vaccinium parvifolium W. R. Dudley 1895-6-6 s.n. San Mateo Out trail from Iverson's Pescadero Creek to top Butano Ridge. Comment
  CAS-BOT-BC76141  Vancouveria planipetala J. H. Thomas 1954-4-15 3907 San Mateo About 1.5 mile southwest of Searsville Lake. 228 Comment
  UC306777  Vancouveria planipetala A. D. E. Elmer May, 1903 4922 San Mateo Pescadero Creek on the Pescadero Creek (Iverson's Place) Comment
  CAS-BOT-BC76145  Vancouveria planipetala W. R. Dudley 1895-6-6 s.n. San Mateo Santa Cruz Peninsula. By road this side of Iverson's near Peter's Creek. Comment
  RSA411631  Verbena lasiostachys E. S. Spalding 1923-8-3 s.n. San Mateo 3 miles W of Redwood City, near Pulgas Tunnel. Comment
  JROH4262  Verbena lasiostachys var. lasiostachys John Hunter Thomas 1977-6-16 18774 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA187259  Veronica americana James I. McMurphy 1902-3-22 s.n. San Mateo Portola. 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
  POM278056  Vicia americana var. americana Lyman D. Benson 1935-5-5 6530 San Mateo Lake Searsville. 152 Comment
  RSA278067  Vicia americana var. americana Lyman D. Benson 1930-5-1 2054 San Mateo Stanford University. 91 Comment
  POM278032  Vicia angustifolia Lyman D. Benson 1930-5-21 2144 San Mateo Lake Searsville. 152 Comment
  SJSU15431  Vicia benghalensis Toni Corelli 2010-5-4 624 a San Mateo Ano Nuevo State Park, Cascade Field, Cascade Creek Trail 25 Comment
  SD2655  Vicia cracca Ulysses S. Grant IV 1925-6-4 San Mateo Burlingame Comment
  RSA397993  Vicia gigantea Emery M. Whilton 1935-2-23 s.n. San Mateo Near Mussel Rock Comment
  UC1191599  Vicia sativa Malcolm A. Nobs and S. Galen Smith 1949-8-25 1547 San Mateo Sharp Park; marshes at Sharp Park Comment
  JROH2436  Vicia sativa subsp. nigra John Hunter Thomas 1981-4-5 20267 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
  JROH2451  Vicia sativa subsp. sativa John Hunter Thomas 1983-4-3 21311 San Mateo Jasper Ridge Biological Preserve, Stanford University; old beach area Comment
  UCD108942  Vicia sativa subsp. sativa Malcolm A. Nobs; S. Galen Smith 1949-8-25 1547 San Mateo Sharp Park. Comment
  JROH2454  Vicia villosa subsp. varia John Rawlings 2012-5-15 1114 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along road B vicinity of Dennis Martin Marker. 79 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-BC264042  Viola adunca Walter & Irja Knight 1965-3-28 978 San Mateo San Bruno Mountain. At Flower Garden adjacent to April Brook 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-BC264045  Viola adunca Miss E. Cannon 1899-4-21 s.n. San Mateo E of Colma Comment
  CAS-BOT-BC264051  Viola adunca Roxana S. Ferris 1920-3-8 1767 San Mateo Montara Mountains, vicinity of South Peak 518 Comment
  LA209918  Viola adunca Ira L. Wiggins; 1931-2-21 5091 a San Mateo Pescadero Beach Comment
  CAS-BOT-BC536832  Viola glabella Brannan; Kellogg 1870-5-31 s.n. San Mateo Redwoods Comment
  RSA130595  Viola glabella Roxana S. Ferris 1920-4-26 1961 San Mateo Near mouth of canyon of Pescadero Creek. The Santa Cruz Mtn Peninsula. 244 Comment
  CAS-BOT-BC389693  Viola ocellata Mary K. Wicksten 1971-6-17 198 San Mateo Huddart Park Comment
  RSA77751  Viola ocellata D. D. Keck 1932-6-1 1495 San Mateo Above Woodside on La Honda road, east slope of Santa Cruz Mtns. Comment
  UCD110695  Viola ocellata W. D. McLellan 1954-5-17 58 San Mateo Memorial Park near Pescadero. Comment
  JEPS50194  Viola odorata James G. Daly c. 1934 181 San Mateo 4 mi w of Skyline (Upper Corte Madera Canyon); Santa Cruz Mountains, Upper Corte Madera Canyon Comment
  POM128419  Viola pedunculata L. R. Abrams 1902-4-13 2328 San Mateo San Andreas Lake. Comment
  SJSU7493  Viola pedunculata Lewis S. Rose 1968-3-26 68010 San Mateo S base San Bruno Mt, S San Francisco 30 Comment
  SBBG32255  Viola pedunculata L. S. Rose 1968-3-26 68010 San Mateo S base of San Bruno Mtn; South San Francisco 30 Comment
  UCD111078  Viola pedunculata Lewis S. Rose 1965-3-25 65009 San Mateo San Bruno Mountains, N end. 121 Comment
  RSA130764  Viola sempervirens W. R. Dudley 1895-6-6 s.n. San Mateo By road to Moore's above Iverson's, Pescadero Creek. The Santa Cruz Peninsula. Comment
  UC19358  Viola sempervirens Kellogg 1870-5-19 San Mateo San Gregoria Creek Comment
  UC581490  Viola sempervirens Lucile Roush March 1928 San Mateo Butano Creek; Santa Cruz Mountains, Butano Creek Comment
  POM216553  Viola sempervirens D. D. Keck 1932-3-6 1398 San Mateo La Honda Road, 1 mile SW of Skyline Blvd, Santa Cruz Mtns. 274 Comment
  RSA10997  Viola sempervirens Carl B. Wolf 1928-3-14 1534 San Mateo La Honda Grade, Santa Cruz Mountains. Comment
  RSA130690  Viola sempervirens W. R. Dudley 1894-7-7 s.n. San Mateo Bear Gulch Road. The Santa Cruz Mtn Peninsula. 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
  RSA254225  Vulpia bromoides Robert A. Norris 1975-3-31 2288 San Mateo Near Crocker Avenue, San Bruno Mountains. Comment
  UCD164342  Vulpia bromoides Peter Rubtzoff 1977-4-16 8948 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC184549  Vulpia microstachys var. pauciflora W. R. Dudley 1895-6-6 s.n. San Mateo Pescadero Creek, near Iversons Comment
  CAS-BOT-BC184552  Vulpia microstachys var. pauciflora Ira L. Wiggins 1941-4-17 9720 San Mateo Roadside near junction of road to California Sanitarium and Woodside-Half Moon Bay road Comment
  CAS-BOT-BC185772  Vulpia myuros subsp. megalura W. R. Dudley 1900-5-19 s.n. San Mateo Summit La Honda Stage Road Comment
  CAS-BOT-BC185775  Vulpia myuros subsp. megalura E. McClintock; Phillip Wheeler 1965-5-23 s.n. San Mateo Slope below Nike station Comment
  CAS-BOT-BC185990  Vulpia myuros var. myuros Margaret Barry 1937-5-15 95 San Mateo Coal Mine Ridge Comment
  JEPS122438  Wahlenbergia marginata Aaron Schusteff