Search Results — 2000 specimen records retrieved (1327 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=SAN MATEO; Source=All;   

Mapping Options:

BerkeleyMapper with county and bioregion layers
BerkeleyMapper without layers.
KML export
(Note: only records with coordinates are mappable)

Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

PLEASE NOTE: Due to changes in newer versions of Excel, directly copying text from the above selected results does not produce a usable table.
    Follow these steps:
      1. The contents of the selected results window must be copied into a text editor like TextEdit for Mac or WordPad for Windows
      2. The selected results must be saved as a new text document.
      3. This new text document can now be copied into Excel or imported as a tab delimited text file.

(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.

Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
Turn on yellow flags to show possible range discrepancies. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA0025756  Abronia latifolia H. A. Barker 1927-5-14 667 San Mateo North of Half Moon Bay. Comment
  RSA0025758  Abronia latifolia E. A. Purer 1933-7-27 5381 San Mateo 2 miles south of Pigeon Point. Comment
  SD41440  Abronia umbellata Edith A. Purer 1934-8-14 5915 San Mateo Half Moon Bay. Comment
  RSA0025967  Abronia umbellata L. S. Rose 1935-10-12 35654 San Mateo Salada. 3 Comment
  CAS-BOT-BC451124  Acaena pinnatifida var. californica John Thomas Howell 1926-4-24 1915 San Mateo Daly City Comment
  RSA152138  Acaena pinnatifida var. californica Robert F. Thorne, Percy C. Everett 1961-5-7 9254 San Mateo San Bruno Mtn in Northern part of county. 305 Comment
  CAS-BOT-BC451123  Acaena pinnatifida var. californica George Oberlander 1950-5-6 876 San Mateo Grassland about San Andreas Lake; San Francisco Watershed Reserve Comment
  RSA18356  Acaena pinnatifida var. californica Carl B. Wolf 1929-5-25 3732 San Mateo N of Pigeon Pt, San Mateo Comment
  CAS-BOT-BC219599  Acanthomintha duttonii A. D. E. Elmer 1903-5-1 4538 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC219609  Acanthomintha duttonii Hester R. Davis 1920-6-2 182 San Mateo Back of Redwood City Comment
  CDA40752  Acanthomintha duttonii Polo Moreno 1989-8-2 s.n. San Mateo 1/4 mile southwest of intersection Highway 280 and Edgewood Road, west of Redwood City. 0 Comment
  CAS-BOT-BC73  Acanthomintha obovata subsp. duttonii Harry A. Dutton 1900-4-17 s.n. San Mateo Woodside Comment
  RSA0076539  Acanthomintha obovata subsp. duttonii Paul R. Hichborn 1920-6-1 s.n. San Mateo Back of Redwood City. Comment
  CAS-BOT-BC333290  Acer macrophyllum A. D. E. Elmer 1903-5-1 4509 San Mateo Portola Comment
  CAS-BOT-BC333291  Acer macrophyllum A. D. E. Elmer 1903-5-1 4509 San Mateo Portola Comment
  POM222809  Acer macrophyllum S. S. Berry 1909-3-31 s.n. San Mateo San Francisquito Creek. 61 Comment
  RSA116909  Acer macrophyllum I. L. Wiggins 1929-3-23 3372 San Mateo Road to Mud Lake, near Stanford University Comment
  JEPS85553  Acer macrophyllum Craig Dremann 1986-9-13 336 San Mateo at La Honda creek bridge (mile 8.12) and Cal. Hwy 84 La Honda, at La Honda creek bridge (next to burned-out Boots and Saddle Lodge, La Honda) Comment
  CAS-BOT-BC21593  Achillea millefolium Javier Penalosa 1963-3-30 2750 San Mateo North of Randolph Drive at Hillside Blvd. in SSF 289 Comment
  CAS-BOT-BC21596  Achillea millefolium John H. Thomas 1967-5-2 12801 San Mateo San Bruno Mountain. About 1/4 mile up Market St. from new school in canyon. Comment
  CAS-BOT-BC21625  Achillea millefolium George Oberlander 1949-5-21 157 San Mateo Sawyer Ridge Comment
  JEPS85554  Achillea millefolium Craig Dremann 1986-9-13 335 San Mateo (along Stage road between San Gregorio and Pompanio Creek) San Gregorio; Pompanio Creek Comment
  UCSB18197  Achillea millefolium Muirhead, M. 1964-4-17 San Mateo Crocker Estate, Hillsborough 76 Comment
  JROH455  Achyrachaena mollis Arthur Spiegler 1952-5-10 70 San Mateo Jasper Ridge Biological Preserve, Stanford University; north of Searsville Lake Comment
  JROH472  Achyrachaena mollis John Hunter Thomas 1983-4-21 21641 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
  JROH2068  Acmispon glaber var. glaber G. H. Mallory 1919-7-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2074  Acmispon glaber var. glaber John Hunter Thomas 1981-5-25 20620 San Mateo Jasper Ridge Biological Preserve, Stanford University 164 Comment
  CHSC39809  Acmispon wrangelianus Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  JROH2084  Acmispon wrangelianus John H. Thomas 1955-5-6 4991 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2099  Acmispon wrangelianus John H. Thomas 1974-4-12 17145 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3399  Actaea rubra Shaun Donovan 1972-4-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Redwood area along San Francisquito Creek Comment
  POM270478  Actaea rubra subsp. arguta Lyman Benson 1937-7-15 8450 San Mateo Upper San Francisquito Creek, Santa Cruz Mountains; San Francisco Bay watershed. 244 Comment
  RSA176544  Actaea rubra subsp. arguta John H. Thomas 1963-5-6 10062 San Mateo Summit of La Honda Road at Skyline Blvd. 610 Comment
  SDSU2646  Adelinia grandis D. F. Howe 1967-4-14 4349 San Mateo San Francisco Game Reserve near San Bruno. 91 Comment
  SEINET8216770  Adelinia grandis L. E. Detling 1933-3-20 1122 San Mateo Skyline Blvd, [State Highway 35]. Comment
  POM204319  Adenocaulon bicolor I. L. Wiggins 1929-7-4 3773 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  CAS-BOT-BC389683  Adenostoma fasciculatum Mary Wicksten 1969-6-24 s.n. San Mateo Miwok area - Huddart Park Comment
  SEINET8722547 Image available Adenostoma fasciculatum Lewis S. Rose 1941-1 41270 San Mateo Hills w. of Red Wood City, Emerald Lake. Alt. ca. 400 ft. 122 Comment
  JROH86  Adiantum aleuticum Lawrence J. Winship 1974-11-16 14 San Mateo Jasper Ridge Biological Preserve, Stanford University. Among wet rocks below Searsville dam. Comment
  RSA120509  Adiantum aleuticum S. S. Tillett, I. Sternback 1956-6-25 547 San Mateo Along Patterson Creek, on Middleton property just above entrance to Portola State beach. 366 Comment
  SEINET182852 Image available Adiantum emarginatum John P. Young 1925-1-10 San Mateo Burlingame Comment
  CAS-BOT-BC65674  Adiantum jordanii Walter Knight; Irja Knight 1965-4-25 1049 San Mateo in Owl's Canyon 182 Comment
  CHSC112139  Aeonium simsii Dean Wm. Taylor; Alison E. L. Cowell 2005-4-26 19306 San Mateo Pacifica, sea bluffs betwween Shelter Cove and Pacifica State Beach. 16 Comment
  RSA0091004  Aeonium simsii Dean Wm. Taylor, Alison E. L. Colwell 2005-5-10 19306 San Mateo Pacifica, sea bluffs between Shelter Cove and Pacifica State Beach. 16 Comment
  CAS-BOT-BC202672  Aesculus californica Ned Cahill 1974-5-30 329 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City. Area next to Edgewood Road Comment
  SEINET7076092  Agoseris apargioides var. eastwoodiae A. G. Vestal 1955-5-31 s.n. San Mateo Near Pebble Beach off Route 1. (NAD 27; 37.2369? deg. North Latitude, 122.4153? deg. West Longitude, UTM Zone 10, 551863mE, 4121109mN). [GPS Coordinate: WGS84/NAD83]. Comment
  SEINET196521 Image available Agoseris grandiflora W. A. Harvey, J. M. Tucker 1948-6-29 1707 San Mateo Portola State Park ; Road to Portola State Park just west of junction with Highway 5 (Skyline Boulevard). Comment
  CAS-BOT-BC22979  Agoseris grandiflora var. grandiflora Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo Crocker Hills Comment
  JROH484  Agoseris grandiflora var. grandiflora John Hunter Thomas 1981-5-8 20557 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC22978  Agoseris grandiflora var. grandiflora P. C. Wheeler 1966-4-24 s.n. San Mateo Buckeye Canyon Comment
  CAS-BOT-BC46171  Agoseris heterophylla Margaret A. Barry 1937-5-15 132 b San Mateo Coal Mine Ridge Comment
  JROH494  Agoseris heterophylla John Hunter Thomas 1986-5-6 24015 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC15227  Agoseris hirsuta W. R. Dudley 1896-11-14 s.n. San Mateo Santa Cruz Mountain Peninsula, on dam Pelarcitos Creek Comment
  CAS-BOT-BC15234  Agoseris hirsuta W. R. Dudley 1894-5-14 s.n. San Mateo Fields southwest of Boulder Comment
  RSA18496  Agoseris hirsuta C. B. Wolf 1927-7-14 624 San Mateo 1 mile south of summit of Kings Mt on Skyline Drive. Comment
  JROH4779  Agrostis capillaris John Rawlings 2009-6-17 1045 San Mateo Jasper Ridge Biological Preserve, Stanford University; seven yards from paved road in middle of the blocked-off dirt path leading to Causeway Bridge 105 Comment
  CAS-BOT-BC127466  Agrostis densiflora John H. Thomas 1963-5-20 10153 San Mateo Ano Nuevo Island, about 0.5 mile off shore and about 20 miles northwest of Santa Cruz. Comment
  JROH4786  Agrostis exarata John Rawlings 2004-7-23 1042 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 12, south of first footbridge 124 Comment
  CAS-BOT-BC139463  Agrostis hallii Phillip C. Wheeler 1965-6-19 s.n. San Mateo San Bruno Mountains. Canyon east of quarry. Comment
  CAS-BOT-BC139464  Agrostis hallii Walter Knight; Irja Knight 1965-6-20 s.n. San Mateo San Bruno Mountain. In Crystal Cave Canyon. 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
  UC1100115  Agrostis viridis Malcolm A. Nobs and S. Galen Smith 1949-8-26 1607 San Mateo about 1 mi s Pidgeon Point Comment
  JEPS101122  Aira caryophyllea Dean W. Taylor 1991-5-20 11787 San Mateo coastal bluffs near south bank of Pescadero Creek at Highway 1 9 Comment
  JROH4540  Allium amplectens D. E. Breedlove 1971-5-31 19384 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH4567  Allium lacunosum var. lacunosum John Hunter Thomas 1978-4-20 19082 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC132029  Allium peninsulare var. franciscanum L. R. A. 1902-5-4 2411 San Mateo Woodside Comment
  CAS-BOT-BC132030  Allium peninsulare var. franciscanum L. R. A. 1902-5-4 2411 San Mateo Woodside Comment
  CAS-BOT-BC132031  Allium peninsulare var. franciscanum L. R. Abrams 1920-6-2 7502 San Mateo Back of Redwood City Comment
  CAS-BOT-BC132036  Allium peninsulare var. franciscanum D. E. Breedlove 1963-5-13 4942 San Mateo On the SE corner of the junction of Crystal Springs Road and Polhemus Rd, W of San Mateo Comment
  JROH4565  Allium peninsulare var. franciscanum John H. Thomas 1968-5-22 14461 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4563  Allium unifolium Toni Corelli 2011-5-3 368 San Mateo Jasper Ridge Biological Preserve, Stanford University. South of Trail 9 in serpentine swale 185 Comment
  CAS-BOT-BC170156  Alnus rhombifolia W. R. Dudley 1901-1-19 s.n. San Mateo Coal Mine Canon [canyon]. Santa Cruz Peninsula Comment
  CAS-BOT-BC170157  Alnus rhombifolia W. R. Dudley 1906-10-3 s.n. San Mateo Border of Pescadero Creek, opposite Svensons old place. Santa Cruz Mountain Peninsula Comment
  SJSU10489  Alopecurus pratensis S. H. Casey & C. A. Brock 1975-6-20 546 San Mateo by Old Woodside Store, Woodside 134 Comment
  LA206319  Alopecurus saccatus D. Keck; 1932-5-6 1472 San Mateo Burlingame, N city limits Comment
  JROH178  Amaranthus retroflexus John H. Thomas 1974-10-29 17651 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD97767  Amaranthus retroflexus John Thomas Howell 1978-7-18 53187 San Mateo McClellan residence, 1356 Bernal Ave., Burlingame. Comment
  SEINET3146786  Ambrosia chamissonis L. S. Rose 1938-8-14 38226 San Mateo El Granada 3 Comment
  CAS-BOT-BC44924  Ambrosia chamissonis Walter Knight; Irja Knight 1964-9-2 s.n. San Mateo Point San Bruno Comment
  SEINET11855123  Ambrosia chamissonis L. S. Rose 1935-1 San Mateo Granada 3 Comment
  POM139596  Amelanchier pallida L. R. Abrams 1916-4-22 5577 San Mateo Pilarcitos Canyon 3 Comment
  CAS-BOT-BC136835  Amelanchier utahensis L. R. Abrams 1916-4-22 5577 San Mateo Pilarcitos [Canon] Canyon 3 Comment
  SD41374  Ammophila arenaria Edith A. Purer 1932-7-18 4023 San Mateo Near Pigeon Point, sandy area. Comment
  CAS-BOT-BC214044  Amsinckia Mrs. E. C. Sutliffe 1933-5-17 s.n. San Mateo Skyline Blvd. near Alpine Creek Road Comment
  JROH1348  Amsinckia menziesii H. J. Dengler 1972-4-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; above east margin of Searsville Lake by trail Comment
  RSA116746  Anagallis arvensis Josephine Randall 1907-6-8 s.n. San Mateo Portola Valley. Santa Cruz Peninsula. Comment
  RSA116698  Anagallis arvensis W. R. Dudley 1900-3-17 s.n. San Mateo Bank near Ocean, South slope montara mts. Comment
  JROH3370  Anagallis minima John H. Thomas 1961-4-29 9180 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1125507  Anaphalis margaritacea T. Tyrrell 1928-9-26 10 San Mateo Pomponio Creek; Santa Cruz Quad. 91 Comment
  CAS-BOT-BC64291  Anaphalis margaritacea Delzie Demaree 1938-8-20 18061 San Mateo South San Francisco Comment
  UCD128852  Anaphalis margaritacea J. M Tucker 1951-8-6 2220 San Mateo M. R. Mattei Ranch, ca. 1.5 miles northeast of Pescadero. Comment
  CAS-BOT-BC45267  Ancistrocarphus filagineus LeRoy Abrams 1904-4-10 s.n. San Mateo Woodside to Crystla Springs at the junction of Redwood Rd. Comment
  CAS-BOT-BC391919  Anemone grayi E. A. McGregor 1908-3-28 s.n. San Mateo Kings Mt. Comment
  CAS-BOT-BC221452  Angelica hendersonii Lewis S. Rose 1937-9-5 37647 San Mateo Mussel Rocks 60 Comment
  CDA38223  Angelica hendersonii T. C. Fuller 1957-10-2 407 -57 San Mateo San Gregorio. 0 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
  CAS-BOT-BC273180  Anisocarpus madioides David D. Keck 1932-5-11 1497 San Mateo Above Woodside on La Honda road, east slope of Santa Cruz Mtns. 230 Comment
  CAS-BOT-BC273181  Anisocarpus madioides Josephine D. Randall 1907-6-29 91 San Mateo Santa Cruz Peninsula. Portola Valley Comment
  CAS-BOT-BC273190  Anisocarpus madioides John H. Thomas 1961-6-20 9555 San Mateo Portola State Park, near junction of Peters and Pescadero Creeks 152 Comment
  UC662642  Anisocarpus madioides L. S. Rose 1941-7-2 41287 San Mateo Kings Mountain 540 Comment
  UCSC000808  Anthemis cotula G. E. Sindel 1935-7-25 312 San Mateo 0.25 mile W. of Pescadero Pescadero - Santa CruzQuadrangle 15 Comment
  SD5799  Anthemis cotula unknown 1925-9-3 San Mateo Burlingame Comment
  UC1125531  Anthemis cotula N. K. Carlson 1935-7-5 40 San Mateo 3 mi s Bellvale; Santa Cruz Quad. 91 Comment
  CAS-BOT-BC280638  Anthoxanthum occidentale L. R. A. 1902-1-7 2258 San Mateo Kings Mountain Comment
  JROH196  Anthriscus caucalis John H. Thomas 1973-4-14 16554 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH200  Anthriscus caucalis John H. Thomas 1975-4-30 17843 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH203  Anthriscus caucalis John Hunter Thomas 1989-5-5 24658 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5746  Anthriscus caucalis J. C. Gaither 1982-5-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail along San Francisquito Creek, north of Rattlesnake rock. 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
  UC635107  Aquilegia formosa H. L. Mason 1927-4-23 3674 San Mateo summit of rd betw La Hunda and Pescadero Creek Comment
  CAS-BOT-BC17335  Arabis blepharophylla Reed Clark Rollins 1941-3-22 2950 San Mateo San Bruno Hills, 2 miles southeast of Daly City. Comment
  CAS-BOT-BC17337  Arabis blepharophylla David D. Keck 1933-5-11 2304 San Mateo Montara Summit, Montara Mountain. Comment
  HSC6552  Arabis blepharophylla Lincoln Constance, Rimo Bacigalupi, C. R. Bell 1951-3-25 3369 San Mateo SE side of Colma Canyon 61 Comment
  RSA254234  Arabis blepharophylla Robert A. Norris 1975-3-31 2295 San Mateo by Radio Road near one of summits, San Bruno Mts. Comment
  UC311117  Arabis blepharophylla A. D. E. Elmer Apr 1903 4936 San Mateo San Bruno Hills Comment
  UC676755  Arabis blepharophylla Reed C. Rollins 1941-3-22 2950 San Mateo 2 mi se Daly City; San Bruno Hills Comment
  RSA15297  Arbutus menziesii C. B. Wolf 1927-4-3 267 San Mateo 1 mile above La Honda. Santa Cruz Mountains. Comment
  JEPS110501  Arctostaphylos andersonii Robert E. Preston 2004-6-9 2251 San Mateo Ca. 8 mi NW of Boulder Creek, in Pescadero Creek watershed. 160 Comment
  SBBG25382  Arctostaphylos andersonii R. Gankin 1959-3-22 324 San Mateo King's Mtn Rd, 1.2 mi E of jct with St Hwy 5, ca. 5 mi W of Woodside Comment
  UCD50391  Arctostaphylos andersonii Robert E. Preston 2001-6-1 1537 San Mateo Ca. 7 mi. nw of Boulder Creek. 658 Comment
  UCD50392  Arctostaphylos andersonii Robert E. Preston 2001-5-29 1533 San Mateo Ca. 9 mi nnw of Boulder Creek. 377 Comment
  SEINET11987183  Arctostaphylos andersonii var. imbricata W. Knight, Knight, I. 1981-1 3931 San Mateo Tilden Botanic Garden, Berkeley, originally from San Bruno Mt Comment
  CAS-BOT-BC23507  Arctostaphylos crustacea George Oberlander 1949-4-9 50 San Mateo Sawyer Ridge Comment
  CAS-BOT-BC23517  Arctostaphylos crustacea A. D. E. Elmer 1903-5-1 4558 San Mateo King Mt. Comment
  CAS-BOT-BC23544  Arctostaphylos crustacea J. I. McMurphy 1906-3-9 7 San Mateo King's Mt., Santa Cruz Mts. 487 Comment
  JROH1938  Arctostaphylos crustacea subsp. crustacea John H. Thomas 1968-2-11 14145 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET11988205  Arctostaphylos glandulosa W. Knight, Raiche, R. 1982-1 4420 San Mateo San Bruno Mountain, Buckeye Canyon on Oak Ridge 102 Comment
  SEINET11988217  Arctostaphylos glandulosa W. Knight, Raiche, R. 1982-1 4419 San Mateo San Bruno Mountain, Buckeye Canyon on Oak Ridge 122 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
  CAS-BOT-BC27194  Arctostaphylos imbricata Mrs. Ernest Meiere 1915-6-18 s.n. San Mateo San Bruno hills Comment
  UCD50868  Arctostaphylos imbricata James Roof 1961-4-18 San Mateo From the northeast face of San Bruno Mt. 335 Comment
  UCR58357  Arctostaphylos imbricata Walter Knight, I. Knight 1980-6-14 3747 San Mateo Original from San Bruno Mt. (grown at Tilden Botanic Garden, Berkeley) Comment
  CAS-BOT-BC45601  Arctostaphylos montaraensis Walter Knight; Roger Raiche 1982-1-23 4415 San Mateo Montara Mt. 304 Comment
  SEINET11988204  Arctostaphylos montaraensis W. Knight, Raiche, R. 1982-1 4415 San Mateo Mantara Mountain 305 Comment
  CAS-BOT-BC39822  Arctostaphylos pacifica Walter Knight; Irja Knight 1981-3-1 4049 San Mateo From Tilden Botanic Garden, Berkeley. Originally collected from San Bruno Mountain. Comment
  RSA633497  Arctostaphylos pacifica Jon E. Keeley 1996-6-24 27572 San Mateo On knob below end of paved road at top of San Bruno Mountain. 350 Comment
  RSA633498  Arctostaphylos pacifica Jon E. Keeley 1996-6-24 27568 San Mateo On knob below end of paved road at top of San Bruno Mountain. 350 Comment
  RSA633501  Arctostaphylos pacifica Jon E. Keeley 1996-6-24 27574 San Mateo On knob below end of paved road at top of San Bruno Mountain. 350 Comment
  CAS-BOT-BC44705  Arctostaphylos regismontana Lewis S. Rose 1932-1-16 3214 San Mateo Kings Mountain 640 Comment
  CAS-BOT-BC44744  Arctostaphylos regismontana Mrs. E. C. Sutliffe 1934-2-2 s.n. San Mateo Kings Mountain Comment
  POM132205  Arctostaphylos regismontana A. D. E. Elmer 1903-03 4537 San Mateo Kings Mountain. Comment
  RSA636750  Arctostaphylos regismontana Jon E. Keeley, Melanie Baer Keeley 1993-9-8 24636 San Mateo NW side of Montara Mtn. 150 Comment
  UC1120835  Arctostaphylos regismontana A. E. Wieslander and B. O. Schreiber 1940-3-5 10 San Mateo road from Woodside to King's Mt.; Santa Cruz Quadrangle 609 Comment
  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
  CAS-BOT-BC44671  Arctostaphylos sensitiva W. R. Dudley 1899-1-2 s.n. San Mateo On dry hills between Butano Cr. and Little Butano Cr. - Santa Cruz Mountain Peninsula Comment
  UCD166159  Arctostaphylos sensitiva Jack Major; M. Forde and S. Bamberg 1962-4-3 741 b San Mateo Near Ano Nuevo Point. (Exact location unknown. Coordinates estimated by label maker.) Comment
Read comments
Oct 15 2021
  SEINET11989290  Arctostaphylos tomentosa S. W. Edwards 1982-1 s.n. San Mateo Foothill Park near summit of SW ridge Comment
  SEINET11989291  Arctostaphylos tomentosa S. W. Edwards 1982-1 s.n. San Mateo Foothill Park near summit of SW ridge Comment
  POM299443  Arctostaphylos tomentosa subsp. crustacea L. S. Rose 1942-3-30 42007 San Mateo Kings Mountain. 183 Comment
  RSA636850  Arctostaphylos tomentosa subsp. crustacea S. H. Gudmonson 1978-3-22 18 San Mateo 2 miles north of Woodside Road on Kings Mountain Road. Comment
  UC82933  Arctostaphylos tomentosa subsp. crustacea Katharine Brandegee April 1889 San Mateo Redwood City Comment
  CAS-BOT-BC46830  Arctostaphylos uva-ursi Peter H. Raven 1951-2-18 2732 San Mateo Summit ridge of San Bruno Mts. Comment
  UCD51963  Arctostaphylos uva-ursi Robert F. Thorne 1963-6-9 32218 San Mateo Prostrate shrub in north coastal scrub on top of San Bruno Mt. near TV tower. Comment
  UCD52151  Arctostaphylos uva-ursi Walter and Irja Knight; Robert and Janet Blomquist 1981-7-3 4426 San Mateo Kamchatka Point, San Bruno Mt., San Mateo County, California. Comment
  SEINET11989204  Arctostaphylos uva-ursi W. Knight, Knight, I.; McClintock, E. 1982-1 4639 San Mateo NE of parking loc, San Bruno Mountain 335 Comment
  SEINET11987152  Arctostaphylos uva-ursi var. coactilis W. Knight, Knight, I. 1981-1 4055 San Mateo Tilden Botanic Garden, Berkeley, orig. from about 200 yds E of summit parking lot of San Bruno Mt Comment
  SEINET11989301  Arctostaphylos uva-ursi var. suborbiculata W. Knight, Knight, I.; McClintock, E. 1982-1 4442 San Mateo Kamchatka Point, San Bruno Mt Comment
  CAS-BOT-BC102179  Arctotheca Paul Reedberg 1988-4-27 s.n. San Mateo Adjacent to Camp Silverspot. San Bruno Mountains Comment
  CAS-BOT-BC47696  Armeria maritima subsp. californica Alice Eastwood 1915-6-13 4712 San Mateo Granada Comment
  SBBG5623  Armeria maritima subsp. californica J. M. Tucker 1941-4-6 211 San Mateo Pigeon Point Comment
  CAS-BOT-BC82513  Arnica discoidea L. R. A. 1902-5-20 2464 San Mateo [King's] Kings Mountain Comment
  POM87789  Arnica discoidea L. R. Abrams 1902-5-20 2464 San Mateo Kings Mountain Comment
  JEPS20095  Artemisia douglasiana Peter H. Raven 1957-9-1 11296 San Mateo coastal bluffs 1.1 mi s Pigeon Point lighthouse Comment
  JEPS44413  Artemisia douglasiana Lewis S. Rose 1965-9-4 65101 San Mateo Skyline Blvd and Half Moon Bay Road Cahill Ridge, Skyline Blvd and Half Moon Bay Road 243 Comment
  CAS-BOT-BC93935  Artemisia douglasiana Gordon H. True 1937-7-23 803 San Mateo Along Salada Beach - Skyline Blvd. Road Comment
  POM204313  Artemisia pycnocephala I. L. Wiggins 1929-7-4 3800 San Mateo Pescadero Beach Comment
  CAS-BOT-BC93636  Artemisia pycnocephala Elizabeth McClintock; Paul Reeberg 1989-4-23 s.n. San Mateo San Bruno Mountains - Reservoir Hill, west-facing slope 121 Comment
  UC484308  Artemisia pycnocephala C. B. Wolf 1930-11-5 1806 San Mateo along coastal bluffs s of Pescadero 7 Comment
  CAS-BOT-BC146256  Arundo donax Malcom A. Nobs; S. Galen Smith 1949-8-25 1574 San Mateo South of Rockaway Beach. Comment
  SACT000356  Arundo donax Malcolm Nobs, S. Smith 1949-8-25 San Mateo on bank in marsh, 6-12 feet tall, with typha, scirpus, potameton, polygonum, and lactuca. Brackish marsh Comment
  CAS-BOT-BC400512  Asarum caudatum W. R. Dudley 1898-4-24 s.n. San Mateo Santa Cruz Mountain Peninsula. Near El Corte de Madera Creek Comment
  JROH430  Asclepias fascicularis John H. Thomas 1973-6-10 16826 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH433  Asclepias fascicularis John H. Thomas 1974-8-11 17508 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR121548  Aster chilensis George K. Helmkamp, E. A. Helmkamp 1999-6-28 5009 San Mateo Pescadero Creek Watershed, Bean Hollow Road 0.3 mi south of Pescadero Road (SW of Pescadero). Slopes above Butano Creek 61 Comment
  POM261373  Aster chilensis H. C. Cauteloro 1940-9-2 s.n. San Mateo North of Pescadero Comment
  RSA107478  Aster radulinus L. S. Rose 1955-9-19 55174 San Mateo Skyline Boulevard, 7 miles west of Saratoga. 686 Comment
  JEPS21679  Astragalus gambelianus W. R. Dudley 1894-4-21 San Mateo below Crystal Springs Dam (Santa Cruz Peninsula); , below Crystal Springs Dam Comment
  POM176056  Astragalus gambelianus Lyman Benson 1930-4-17 2084 San Mateo Stanford University. 152 Comment
  RSA633304  Astragalus gambelianus Michael A. Vincent, Ethan H. Freid, Karl Vincent 1998-4-9 8203 San Mateo Along east side of Canada Road, ca. 200 yards southeast of its junction with Edgewood Road, just southwest of I-280, at Filoli Center. Comment
  UCD104788  Astragalus gambelianus Lois E. James 1947-4-11 1758 San Mateo Hills back of Redwood City. Comment
  JEPS54784  Astragalus nuttallii Katharine Brandegee c. 1912 San Mateo Tobin Comment
  SD40165  Astragalus nuttallii var. virgatus Edith A. Purer 1933-7-27 5356 San Mateo High stabilized sand dunes, Pigeon Point. Comment
  CAS-BOT-BC194432  Astragalus nuttallii var. virgatus Phillip C. Wheeler 1965-6-20 s.n. San Mateo Great Meadow adjacent to Radio Road, San Bruno Mountain Comment
  JEPS54823  Astragalus pycnostachyus W. L. Jepson 1910-8-17 4158 San Mateo Tunitas Creek Comment
  CAS-BOT-BC193092  Astragalus pycnostachyus var. pycnostachyus J. H. Thomas 1958-8-1 7372 San Mateo Just north of mouth of San Gregorio Creek 30 Comment
  CAS-BOT-BC193095  Astragalus pycnostachyus var. pycnostachyus C. F. Leitholt 1894-7-1 s.n. San Mateo Pescadero Comment
  CAS-BOT-BC68677  Athyrium filix-femina var. californicum Elizabeth McClintock; Carlyn Halde; Walter Knight 1963-6-23 s.n. San Mateo San Bruno Mountain - Lower part of Colma Canyon Comment
  UCD164088  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1977-11-24 9144 San Mateo San Bruno Mountains.'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  SJSU16060  Atriplex californica Toni Corelli 2010-4-8 511 San Mateo Ano Nuevo State Park, west end of Franklin Point Trail Comment
  UC583161  Atriplex leucophylla Lewis S. Rose 1936-8-16 36713 San Mateo Granada Granada (Sea Beaches) 3 Comment
  UC662519  Atriplex leucophylla L. S. Rose 1941-9-27 41460 San Mateo Princeton Princeton (on ocean beach sand) Comment
  SD38027  Atriplex rosea Edith A. Purer 1933-8-13 5419 San Mateo Belmont Comment
  CAS-BOT-BC146080  Avena barbata Elizabeth McClintock; Paul Reeberg 1988-4-26 s.n. San Mateo San Bruno Mountains. In Glen Park Canyon. Above Brisbane. 91 Comment
  CAS-BOT-BC146125  Avena barbata Elizabeth McClintock; Carlyn Halde; Walter Knight; Walter Knight 1963-6-23 s.n. San Mateo San Bruno Mountain. Lower part of Colma Canyon. Comment
  CDA1739  Avena barbata T. C. Fuller 1971-6-1 19879 San Mateo 1.6 km. east of San Gregorio. 0 Comment
  CAS-BOT-BC146213  Avena brevis John Thomas Howell 1954-6-16 30003 San Mateo Belmont. Ralston Avenue at 6th. Comment
  CAS-BOT-BC146214  Avena brevis John Thomas Howell 1954-6-16 30003 San Mateo Belmont. Raslton Avenue at 6th. Comment
  CAS-BOT-BC145960  Avena fatua Elizabeth McClintock; Paul Reeberg 1989-3-19 s.n. San Mateo San Bruno Mountains. Shearwater. 91 Comment
  POM89832  Azolla filiculoides F. T. Bioletti 1893-6-15 s.n. San Mateo Baden Comment
  CAS-BOT-BC344842  Baccharis douglasii Peter Rubtzoff 1976-10-5 8908 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. Comment
  JROH535  Baccharis glutinosa John H. Thomas 1974-8-3 17497 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  LA203045  Baccharis glutinosa D. Keck; 1931-9-27 1271 San Mateo Dumbarton Bridge Comment
  SJSU15816  Baccharis glutinosa John Rawlings, Ken Hickman 2016-7-21 1901 San Mateo Serpentine seep area (Fountain thistle seep) up-slope from the Hwy 92 west onramp to Hwy 280 north; down-slope from San Francisco Watershed fence line 122 Comment
  UC1192162  Baccharis glutinosa Malcolm A. Nobs and S. Galen Smith 1949-8-25 1573 San Mateo south of Rockaway Beach Comment
  CAS-BOT-BC99522  Baccharis pilularis Ned Cahill 1974-4-30 240 San Mateo near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC99538  Baccharis pilularis C. F. B. 1902-10-1 1740 San Mateo Pillar Point Comment
  CAS-BOT-BC99539  Baccharis pilularis P. C. Everett 1934-8-19 6068 San Mateo Pescadero 198 Comment
  RSA1947  Baccharis pilularis C. B. Wolf 1930-11-5 1063 San Mateo 4 mi. S of Pescadero. 8 Comment
  SD136469  Baccharis pilularis Edith A. Purer 1933-7-27 5351 San Mateo High stabilized sand dunes, Pigeon Point. Comment
  SD30701  Baccharis pilularis Edith A. Purer 1922-8-4 5409 San Mateo Clay hillside near Baden Station. Comment
  UC1119670  Baccharis pilularis G. E. Sindel 1935-10-18 381 San Mateo 1 3/8 mi n of Langley Hill; Santa Cruz Quad. 518 Comment
  JROH549  Baccharis pilularis subsp. consanguinea John H. Thomas 1970-7-5 15663 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH550  Baccharis pilularis subsp. consanguinea Richard L. Garber 1971-7-13 62 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH551  Baccharis pilularis subsp. consanguinea John H. Thomas 1975-5-2 17849 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET3387468 Image available Baeria chrysostoma Lewis S. Rose 1933-4-30 33128 San Mateo Redwood City. Comment
  SEINET5625923 Image available Baeria chrysostoma Unknown 1907-1 8465 San Mateo San Bruno Hills Comment
  CAS-BOT-BC16622  Barbarea orthoceras Fred Hemphill 1973-3-1 703 San Mateo San Carlos. Area north of Malabar Road and Melendy Drive. 207 Comment
  CAS-BOT-BC16638  Barbarea orthoceras James McMurphy 1907-5-25 s.n. San Mateo San Francisquito Creek, near Stone Crusher. Comment
  CAS-BOT-BC16639  Barbarea orthoceras J. H. Thomas 1949-4-1 210 San Mateo West of Redwood City. Comment
  JEPS42530  Barbarea orthoceras William Hirano 1966-3-8 San Mateo a short distance below and ne end of paved road at ridge summit (television stations) San Bruno Mtn. 335 Comment
  JROH1444  Barbarea orthoceras John H. Thomas 1974-4-4 17081 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA195512  Barbarea orthoceras John H. Thomas 1966-4-22 11567 San Mateo Jasper Ridge Biological Experimental Area. About 5 miles SW of Palo Alto. Comment
  UCD97579  Bassia hyssopifolia Malcolm A. Nobs; S. Galen Smith 1949-8-27 1617 San Mateo E of Redwood City. Comment
  JEPS26846  Bellardia trixago Rimo Bacigalupi with J. H. Thomas and L. Heckard 1961-5-23 7709 San Mateo at summit Monte Bello Ridge (along Page Mill Road, just nw of O'Neal Ranch, San Mateo-Santa Clara County boundary) 708 Comment
  RSA162481  Bellardia trixago E. K. Balls 1963-5-22 12066 San Mateo 2.7 mi. S. from Half Moon Bay, along State Hwy. 1. 15 Comment
  SJSU946  Berberis darwinii W. M. Bybee 1948-2-20 San Mateo grounds of residence, Burlingame Comment
  CAS-BOT-BC75877  Berberis pinnata John H. Thomas 1962-4-24 9846 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  CAS-BOT-BC75882  Berberis pinnata Robert Setzer 1969-3-29 2138 San Mateo Coloma Canyon, San Bruno Mountain. Comment
  RSA435933  Berberis pinnata Paul C. Silva 1948-1-31 2623 San Mateo Old La Honda Grade, 1 mile south of Skyline Blvd. 457 Comment
  UC1126280  Berberis pinnata H. S. Yates 1935-2-3 5003 San Mateo 1/2 mi se Pigeon Pt; Santa Cruz Quadrangle 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
  CAS-BOT-BC75867  Berberis pinnata W. R. Dudley 1899-5-14 s.n. San Mateo Santa Cruz Peninsula. Near pass to Calera Valley north of the Montara Mountains. Comment
  JROH1320  Berberis pinnata subsp. pinnata H. B. Hannibal 1910-10-10 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Sandstone Cave Comment
  UCR251686  Beta vulgaris Detlef Bartsch 2014-6-13 s.n. San Mateo Menlo Park, Bayfront Park at Marsh Road 3 Comment
  UC311186  Blennosperma nanum var. nanum A. D. E. Elmer 1903-4-1 4521 San Mateo San Bruno Hills Comment
  RSA465627  Boisduvalia densiflora var. densiflora L. S. Rose 1942-8-11 42228 San Mateo Hills east of Sharps Park 91 Comment
  CAS-BOT-BC417700  Boykinia occidentalis Josephine D. Randall 1907-7-28 361 San Mateo Iverson's near Peter's Creek Comment
  JROH4850  Brachypodium distachyon John Hunter Thomas 1981-5-25 20626 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA17126  Brachypodium sylvaticum K. Melo 2003-12-1 PDR 1387956 San Mateo San Francisco Peninsula; Hwy 84 at Grandview Terrace and Schilling Lake. Martin Creek drainage. 0 Comment
  CDA36477  Brachypodium sylvaticum Ellen Gartside 2011-8-12 s.n. San Mateo Woodside; above Grandview Drive at entrance of private driveway. 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
  JROH1465  Brassica rapa John H. Thomas 1977-2-17 18464 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Whiskey Hill and Sand Hill Roads Comment
  CAS-BOT-BC145326  Briza minor A. D. E. Elmer 1903-5-1 4912 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC145339  Briza minor Javier Penalosa 1963-3-30 2771 San Mateo San Bruno Mountain. Guadalupe Valley. 30 Comment
  JROH4891  Briza minor John Hunter Thomas 1991-4-13 24990 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA149176  Briza minor John H. Thomas 1961-5-13 9344 San Mateo Coastal sand dunes at Franklin Point. Comment
  SJSU15931  Briza minor Toni Corelli, John Rawlings 2016-4-29 1771 San Mateo Along Atkinson Bluff Trail and throughout Cascade Field, north of Cascade Cr. Trail, in Ano Nuevo State Park 11 Comment
  JROH5753  Briza minor M. Day 1982-5-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Whiskey Hill Gate Comment
  CAS-BOT-BC484346  Brodiaea elegans subsp. elegans J. H. Thomas 1960-6-8 8774 A San Mateo Dry roadbank between Stanford and Searsville along San Hill road Comment
  CAS-BOT-BC484347  Brodiaea elegans subsp. elegans Margaret A. Barry 1960-6-8 162 San Mateo slopes on Coal Mine Ridge Comment
  CAS-BOT-BC484352  Brodiaea elegans subsp. elegans F. H. Lamb 1895-6-14 s.n. San Mateo Along San Francis into Creek near St. Michael's Church Comment
  HSC23992  Brodiaea elegans subsp. elegans Mary Katherine Wicksten 1971-6-17 44 San Mateo Huddart Park, grassy hill above Oak Area Comment
  CAS-BOT-BC483168  Brodiaea terrestris subsp. terrestris John H. Thomas 1971-5-2 15808 San Mateo Near intersection of Canada and Edgewater Roads, about 4 miles SW of center of Redwood City 304 Comment
  CDA7725  Bromus carinatus D. G. Kelch 2002-5-13 s.n. San Mateo Cahill Ridge. 0 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
  JEPS113029  Bromus carinatus var. carinatus Dean W. Taylor 1988-3-30 9482 San Mateo San Bruno Mountain, northern slope of southeast ridge of the mountain, near the ridgecrest; right-of-way of eastern-most set of PGandE high-voltage powerlines crossing the mountain 176 Comment
  JROH4892  Bromus carinatus var. carinatus John Hunter Thomas 1966-4-13 11558 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC148767  Bromus carinatus var. marginatus W. R. Dudley 1901-5-11 s.n. San Mateo Santa Cruz Mountain Peninsula. Between Colma and Lake Merced. Comment
  RSA120971  Bromus catharticus J. T. Howell 1956-5-23 31446 San Mateo Roadside, El Camino Real at Atherton Ave., Menlo Park. Comment
  CAS-BOT-BC155135  Bromus hordeaceus Ned Cahill 1974-5-30 304 San Mateo Near the intersection of Canada and Edgewood roads, about 3 miles westward from Redwood City. Comment
  CAS-BOT-BC155138  Bromus hordeaceus Ned Cahill 1974-4-29 190 San Mateo Near the intersection of Canada and Edgewood Roads, about 3 miles westward from Redwood City. Comment
  CAS-BOT-BC155162  Bromus hordeaceus Duncan M. Porter 1960-4-29 667 San Mateo Above Webb Ranch, Jasper Ridge Biological Preserve. Quadrant H-4. Comment
  CAS-BOT-BC227626  Bromus hordeaceus Peter Rubtzoff 1976-6-13 8634 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC162308  Bromus madritensis George Oberlander 1950-5-6 766 San Mateo San Francisco Watershed Reserve. Lower Crystal Springs Lake. Comment
  JROH4950  Bromus madritensis subsp. rubens W. Lennihan 1989-5-4 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Right of Trail 9 -- going west (north side) Comment
  POM204676  Bromus marginatus H. F. Copeland 1903-6-10 1630 San Mateo Montara Point. Comment
  SJSU15908  Bromus maritimus John Rawlings, Sara Timby, Toni Corelli 2016-4-23 1733 San Mateo Bean Hollow bluff trail, west of Hwy 1 south of Pescadero 8 Comment
  SEINET10933427  Bromus rigidus Delzie Demaree 1932-5-12 Demaree 9128 San Mateo Stanford Farm. Dry situations. Comment
  OBI22365  Bromus sitchensis Lewis S. Rose 1963-4-27 63002 San Mateo Skyline Blvd, W of San Mateo 91 Comment
  JROH4966  Bromus tectorum John Hunter Thomas 1983-7-7 22827 A San Mateo Jasper Ridge Biological Preserve, Stanford University; near edge of lake below Searsville Lab Comment
  JROH5914  Bromus vulgaris John Hunter Thomas 1978-7-8 19257 San Mateo Jasper Ridge Biological Preserve, Stanford University. Redwood area along San Francisquito Creek. Comment
  CAS-BOT-BC233709  Buddleja davidii John H. Thomas 1960-6-25 8794 San Mateo Along or near a small creek running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street, Redwood City 7 Comment
  CAS-BOT-BC36952  Cakile maritima var. maritima Betty J. Hammerly 1942-6-15 439 San Mateo Ocean bluffs near mouth of Pescadero Creek. Comment
  POM199081  Calamagrostis A. D. E. Elmer 1903-06 4693 San Mateo San Pedro Comment
  CAS-BOT-BC185305  Calamagrostis koelerioides N. K. Carlson 1935-6-14 54 San Mateo 0.5 mile west of Hollow Tree Camp, north of Big Basin. 640 Comment
  UC1131351  Calamagrostis nutkaensis H. S. Yates 1935-5-8 5215 San Mateo 2 mi s Pescadero; Santa Cruz Quadrangle Comment
  CAS-BOT-BC185031  Calamagrostis rubescens Lois Lampe 1939-7-8 s.n. San Mateo 6 miles from Woodside on Tunitas Creek Road. Comment
  SJSU9863  Calamagrostis rubescens S. H. Casey 1975-6-20 556 San Mateo Dean Trail, Huddert Park W of Woodside Comment
  CAS-BOT-BC438534  Calandrinia ciliata Catherine A. Toschi 1963-2-23 63 :36 San Mateo North slope San Bruno Mountains above Crocker Avenue 152 Comment
  CHSC39803  Calandrinia ciliata Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  JEPS127783  Calandrinia ciliata Adam C. Schneider with C. Matt Guilliams 2013-3-9 54 San Mateo Comment
  CAS-BOT-BC389677  Calandrinia ciliata Maryann Danielson 1967-4-16 s.n. San Mateo San Francisco Watershed near water temple Comment
  CAS-BOT-BC438533  Calandrinia ciliata Philip C. Wheeler 1965-5-12 s.n. San Mateo San Bruno Mountain. Pig Ranch Ravine. Comment
  UCD123519  Callitriche trochlearis W. R. Dudley 1904-4-23 s.n. San Mateo Santa Cruz Mountain Peninsula; Crow foot pond on Alpine Road, opposite the Fitzpatrick Place. Comment
  RSA137260  Callitriche verna A. D. E. Elmer 1903-06 4279 San Mateo Lake San Andreas. Comment
  CAS-BOT-BC492219  Calochortus albus Daniel Cohen 1953-6-3 105 San Mateo Los Trancos Woods. Comment
  SEINET12044764  Calochortus albus L. S. Rose 1935-1 35214 San Mateo 9 mi W of Stanford U Comment
  JROH4621  Calochortus argillosus John H. Thomas 1973-6-10 16818 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4622  Calochortus argillosus John H. Thomas 1974-6-30 17458 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4628  Calochortus argillosus John Hunter Thomas 1980-6-5 19994 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC494043  Calochortus venustus L. R. Abrams 1915-6-7 5242 San Mateo Woodside to Crystal Springs road, near whipple Road Comment
  SEINET12044555  Calochortus venustus L. S. Rose 1932-1 32327 San Mateo Redwood City Comment
  JROH560  Calycadenia multiglandulosa Duncan M. Porter 1960-10-12 728 San Mateo Jasper Ridge Biological Preserve, Stanford University; SW edge of main meadow next to chaparral (near area C) Comment
  JROH561  Calycadenia multiglandulosa John H. Thomas 1967-11-5 14128 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA132468  Calycadenia multiglandulosa subsp. robusta John H. Thomas 1959-8-22 8077 San Mateo Jasper Ridge, about 5 miles SW of Palo Alto 152 Comment
  RSA81618  Calycadenia multiglandulosa subsp. robusta James I. McMurphy 1909-6-7 s.n. San Mateo Jasper Ridge Comment
  RSA10276  Calystegia purpurata H. A. Barker 1927-5-14 676 San Mateo North of Half Moon Bay. Comment
  CAS-BOT-BC224659  Calystegia purpurata subsp. purpurata Ned Cahill 1974-5-13 278 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  HSC59092  Calystegia purpurata subsp. purpurata Clark L. Miller 1978-6-15 159 San Mateo Off old Hwy. 1, about 4 mi. S of Half Moon Bay Comment
  SD38589  Calystegia soldanella Edith A. Purer 1933-7-27 5354 San Mateo Pigeon Point Comment
  JEPS112711  Calystegia subacaulis Dean W. Taylor 1994-5-10 14267 San Mateo Edgewood Park; ca. 300 meters SE of junction of Edgewood Road and Canada Road, ca. 200 m W of trail parallel to and on west side of Highway 280 137 Comment
  SD38400  Calystegia subacaulis Janet Turner 1933-5-30 3723 San Mateo Between Skyline and Half Moon Bay. Comment
  JROH1846  Calystegia subacaulis subsp. subacaulis John H. Thomas 1968-4-19 14300 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1594174  Calystegia subacaulis subsp. subacaulis Jerry Powell 1991-6-1 1605 San Mateo Edgewood County Park. Comment
  UCSB16816  Calystegia subacaulis subsp. subacaulis Schulte, John 1963-4-28 San Mateo Jasper Ridge, 3 miles southwest of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  RSA125833  Camissonia ovata G. R. Campbell 1956-4-4 3 San Mateo La Honda Rd (from Hwy 5) to Woodside, 3 mi from Mt Home-Portola road. 610 Comment
  UC168532  Camissonia strigulosa Katharine Brandegee June 1905 San Mateo Colma Comment
  JROH1643  Campanula griffinii John H. Thomas 1975-5-26 17905 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET10463048  Campanula prenanthoides David D. Keck 1934-7-7 Keck 2929 San Mateo Kings Mountain, west of summit 610 Comment
  SEINET10463066  Campanula prenanthoides Wolf 1927-8-13 WOLF 714 San Mateo Summit La Honda Grade Comment
  SEINET10463147  Campanula prenanthoides Leithold LEITHOLD s.n. San Mateo PESCADERO Comment
  SEINET10939009  Campanula prenanthoides William R. Dudley 1894-7-7 Dudley s.n. San Mateo Bear Gulch Comment
  SEINET10939010  Campanula prenanthoides Wolf 1927-7-14 WOLF 618 San Mateo Summit of Kings Mountain road Comment
  SEINET3406227 Image available Campanula prenanthoides Lewis S. Rose 1933-7-25 33311 San Mateo Kings Mountain Comment
  CAS-BOT-BC37163  Capsella bursa-pastoris George Oberlander 1949-5-13 169 San Mateo San Francisco Watershed. North boundary. Comment
  CAS-BOT-BC37680  Cardamine californica Kellogg 1870-3-27 s.n. San Mateo San Mateo road to Crystal Springs. Comment
  CAS-BOT-BC37989  Cardamine oligosperma Alice Eastwood 1933-4-30 s.n. San Mateo Lake Pilarcitos. Comment
  CDA6893  Carduus tenuiflorus W. S. Ball 1946-4-19 San Mateo 5 miles below Half Moon Bay. 0 Comment
  UCD140996  Carex R. H. Sciaroni 1977-7-26 s.n. San Mateo exact location unknown. Comment
  UCSC006296  Carex Randall Morgan 2001-10-19 3778 San Mateo Half Moon Bay, Moist flat on RMC Lonestar property, upper San Vincente Ck watershed Comment
  JROH4323  Carex bolanderi John Rawlings 2010-5-13 1056 San Mateo Jasper Ridge Biological Preserve, Stanford University; 100 feet west of Leonard's Bridge at time of collection. Bridge subsequently extended covering this site. 106 Comment
  JROH4325  Carex bolanderi John Rawlings 2010-5-19 1050 B San Mateo Jasper Ridge Biological Preserve, Stanford University; 5 yards north (lakeside) of Leonard's Bridge 106 Comment
  SJSU2296  Carex brevicaulis C. W. Sharsmith 1950-4-16 6625 San Mateo coastal bluff, Pescadero Point near Pescadero Comment
  CAS-BOT-BC18928  Carex densa A. D. E. Elmer 1903-6-1 4428 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC18929  Carex densa A. D. E. Elmer 1903-6-1 4428 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC18944  Carex densa Margaret A. Barry 1938-5-8 s.n. San Mateo On Coal Mine Ridge. Comment
  JROH4327  Carex densa Herbert Dengler 1959-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC18932  Carex densa Lewis S. Rose 1937-4-30 57243 San Mateo Brisbane Bayshore. 6 Comment
  POM230443  Carex densa J. T. Howell, Alice Eastwood 1937-5-7 4328 San Mateo Visatacion Valley Comment
  SEINET10649935  Carex dudleyi Lewis S. Rose 1939-4-14 Rose 39064 San Mateo South San Francisco. 15 Comment
  POM193986  Carex exsiccata W. R. Dudley 1894-05 s.n. San Mateo San Mateo County: Woodside to Crystal Springs Reservoir Comment
  CAS-BOT-BC21814  Carex harfordii Alice Eastwood; John Thomas Howell; J. W. Stacey 1938-4-24 5251 San Mateo Tunitas. Comment
  SEINET10883864  Carex laciniata Adolph D. E. Elmer Elmer 2958 San Mateo Lake Merced. 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
  CHSC109976  Carex pendula John Rawlings 2011-7-3 San Mateo 200 m E of junction of Purisima Creek Trail and path to Judson Redwood Grove, about 0.5 air miles E of Higgins Canyon Road, Purisima Creek Redwoods Open Space Preserve, W slope of Santa Cruz Mountains, San Francisco Bay (SnFrB). 165 Comment
Read comments
Jan 26 2018
  RSA18462  Carex senta Carl B. Wolf 1927-6-29 546 San Mateo South of Pebble Beach near Pescadero Comment
  CAS-BOT-BC117641  Carex serratodens LeRoy Abrams 1902-5-1 2425 San Mateo Woodside. Comment
  CAS-BOT-BC117646  Carex serratodens LeRoy Abrams 1902-5-4 2425 San Mateo Woodside. Comment
  CAS-BOT-BC117647  Carex serratodens Harry A. Dutton 1900-4-3 s.n. San Mateo Woodside. Comment
  JEPS23935  Carex serratodens Le Roy Abrams 1902-5-4 8019 San Mateo Woodside Comment
  CAS-BOT-BC117640  Carex serratodens Joseph Whipple Congdon 1901-7-28 s.n. San Mateo Spring Valley. Comment
  CAS-BOT-BC117652  Carex serratodens Elizabeth McClintock 1978-3-25 s.n. San Mateo Gilmore McDowell property, Woodside. Comment
  CDA34492  Carex subbracteata D. G. Kelch, David Gernandt, Steffi Ickert-Bond, Yingli Guo 2011-4-22 11 .176 San Mateo Swanton Rd just S of Ano Nuevo above Weddell Creek. Comment
  JROH5662  Carex subbracteata John Rawlings 2014-5-19 1252 San Mateo Jasper Ridge Biological Preserve, Stanford University. At west edge of California semaphore grass vernal depression. 122 Comment
  RSA40332  Carex subbracteata L. S. Rose 1939-4-14 39063 San Mateo South San Francisco. 15 Comment
  SEINET10750022  Carex subbracteata Alice Eastwood, John Thomas Howell; J. W. Stacey 1938-4-24 Eastwood 5245 San Mateo Half Moon Bay. Comment
  CAS-BOT-BC116835  Carex subbracteata var. subbracteata J. H. Thomas 1959-4-4 7657 San Mateo Ca 0.7 mi S of Gazos Creek. Ca 6.5 mi southward from Pescadero. 45 Comment
  CAS-BOT-BC115513  Carex tumulicola W. R. Dudley 1898-4-24 s.n. San Mateo El Corte Madera Comment
  JROH4374  Carex tumulicola John Rawlings 2011-4-19 1084 San Mateo Jasper Ridge Biological Preserve, Stanford University. Creekside edge of barrow pit a few yards south of NE terminus of Leonard's Bridge. 108 Comment
  CAS-BOT-BC115514  Carex tumulicola W. R. Dudley 1894-5-1 s.n. San Mateo Between Woodside and Crystal Springs. Comment
  CAS-BOT-BC227876  Carex tumulicola Elizabeth McClintock; Paul Reeberg 1989-6-1 s.n. San Mateo San Bruno Mountains. In ravine at southern tip of ridge separating Juncus and Tank Ravines, above Hillside Boulevard 114 Comment
  SJSU7602  Carpobrotus edulis E. P. Ryan 1965-4-25 San Mateo 1 mi N of Pigeon Point Lighthouse Comment
  SEINET3522860 Image available Castanopsis chrysophylla Lewis S. Rose 1933-7-25 33308 San Mateo Kings Mountain, rocky slopes. Comment
  JEPS88831  Castilleja T. I. and F. M. Chuang 1991-7-1 7850 San Mateo 0.8 mi n San Gregorio Beach Comment
  JEPS6875  Castilleja Rimo Bacigalupi with G. T. Robbins 1954-6-18 4549 San Mateo along Skyline Blvd, 1 1/2 mi N of the crossing of the page Mill (Alpine) road Comment
  JEPS86183  Castilleja L. R. Heckard 1988-5-18 6677 San Mateo ca 0.8 mi below Skyline Blvd. (Old La Honda Rd); Santa Cruz Mtns. 520 Comment
  CAS-BOT-BC249189  Castilleja affinis E. W. Rust 1907-4-27 120 San Mateo Kings Mountain Comment
  POM15460  Castilleja affinis C. F. Baker 1902-5-1 777 San Mateo Crystal Springs Lake. Comment
  POM15472  Castilleja affinis C. F. Baker 1903-4-6 1877 San Mateo San Bruno Hills near S.F. [San Francisco] Comment
  POM15998  Castilleja affinis C. F. Baker 1903-4-6 1877 San Mateo San Bruno Hills near S.F. [San Francisco] Comment
  RSA82256  Castilleja affinis F. W. Peirson 1932-7-5 10243 San Mateo Just south of Pescadero. Comment
  UCSC000665  Castilleja affinis H. S. Yates 1935-3-2 5010 San Mateo 0.5 mile S.E. of Pigeon Pt. Pigeon Pt - Santa Cruz 30 Comment
  CHSC57099  Castilleja affinis subsp. affinis Steven Triana 1988-5-24 200 San Mateo Along w side of Old La Honda Road ca 0.8 mi s of Portola Road and 4.0 mi s of Woodside. 201 Comment
  JEPS25440  Castilleja affinis subsp. affinis John Weiler 1961-3-22 6134 San Mateo 0.2 mi s Devil's Slide (about 2.5 mi n of community of Montara, n end of Montara Mtn); Montara Mtn. Comment
  JEPS6916  Castilleja affinis subsp. affinis Rimo Bacigalupi with J. R. Sweeney 1954-8-3 4741 San Mateo about 0.75 mi w Skyline Boulevard (upper part of Tunitas Canyon road, w slopes of Kings Mountain); Kings Mountain 579 Comment
  JEPS86226  Castilleja affinis subsp. affinis L. R. Heckard 1970-5-5 2451 San Mateo n side San Bruno Mountain (n spur) 60 Comment
  SEINET7097933  Castilleja ambigua 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
  JROH3954  Castilleja attenuata John H. Thomas 1961-4-29 9186 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3966  Castilleja attenuata John Hunter Thomas 1982-4-23 20838 San Mateo Jasper Ridge Biological Preserve, Stanford University; picnic area Comment
  UCSB18232  Castilleja densiflora subsp. densiflora Muirhead, M. 1964-4-17 San Mateo Crocker Estate, Hillsborough 76 Comment
  UC406904  Castilleja exserta subsp. latifolia David D. Keck 1927-6-10 395 San Mateo Montara Point; Radio Station 0 Comment
  POM283645  Castilleja foliolosa Lyman Benson 1935-3-10 6254 San Mateo La Honda Grade. Santa Cruz mtn range. Pacific Ocean watershed. 518 Comment
  SD38138  Castilleja franciscana Marie Cummings 1933-5-23 3673 San Mateo Spring Valley Lake Comment
  CAS-BOT-BC243839  Castilleja latifolia John Thomas Howell 1933-4-9 10964 San Mateo Granada Comment
  OBI9362  Castilleja rubicundula Lewis S. Rose 1966-5-2 66034 San Mateo Emerald Lake, W of Redwood City 91 Comment
  JROH3991  Castilleja rubicundula subsp. lithospermoides Robert Robertson 1954-4-23 101 San Mateo Jasper Ridge Biological Preserve, Stanford University 170 Comment
  JROH3998  Castilleja rubicundula subsp. lithospermoides John H. Thomas 1974-4-25 17197 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge near the Searsville end Comment
  JROH4003  Castilleja rubicundula subsp. lithospermoides John Hunter Thomas 1981-4-23 20477 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4005  Castilleja rubicundula subsp. lithospermoides John Hunter Thomas 1982-4-30 20879 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4007  Castilleja rubicundula subsp. lithospermoides John Hunter Thomas 1986-5-8 24025 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SBBG33415  Castilleja rubicundula subsp. lithospermoides A. D. E. Elmer -Jun-1903 4420 San Mateo Crystal Springs Lake Comment
  UC886506  Castilleja rubicundula subsp. lithospermoides Alice Eastwood 1912-6-10 321 San Mateo Crystal Springs Comment
  UCD123053  Castilleja rubicundula subsp. lithospermoides Lewis S. Rose 1966-5-2 66034 San Mateo Emerald Lake, west of Redwood City. 91 Comment
  JEPS103884  Castilleja subinclusa T. I. Chuang and F. M. Chuang 1991-7-1 7850 San Mateo 0.8 miles N of San Gregorio Beach. Comment
  JEPS34452  Castilleja subinclusa subsp. franciscana L. R. Heckard 1963-7-18 1340 San Mateo just e Pigeon Point lighthouse (along old Coast Hwy 1) Comment
  JEPS15591  Castilleja wightii Rimo Bacigalupi with J. R. Sweeney 1954-8-3 4735 San Mateo along upper slopes Edgemar Road (nw San Mateo County) 100 Comment
  JEPS6924  Castilleja wightii Rimo Bacigalupi with G. Thomas Robbins 1954-6-18 4557 San Mateo 3.3 mi s Pescadero (along Calif Hwy 1, road bank just s of bridge across Arroyo de los Frijoles) Comment
  RSA428366B  Castilleja wightii E. A. Purer 1933-7-27 5374 San Mateo 2 miles south of Pigeon Point. Comment
  UC138729  Castilleja wightii C. F. Baker 1902-4-12 508 San Mateo San Gregorio Comment
  UC198265  Castilleja wightii Katharine Brandegee 1917-7-22 San Mateo Mussel Rock Station, Ocean Shore Railway Comment
  JEPS88823  Castilleja wightii T. I. and F. M. Chuang 1991-7-1 7846 San Mateo 1.1 mi n Montana Comment
  JEPS88829  Castilleja wightii T. I. and F. M. Chuang 1991-7-1 7847 San Mateo ca 7 mi s Halfmoon Bay Comment
  POM20827  Castilleja wightii Katherine Brandegee 1917-7-15 s.n. San Mateo Moss Beach between the station and the bluffs. Comment
  RSA21997  Castilleja wightii J. T. Howell 1938-5-1 13767 San Mateo Colma Canyon. 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
  RSA517382  Castilleja wightii L. R. Heckard 1963-7-18 3142 San Mateo Along La Honda road from SkyLonda to LaHonda, 2 miles below (SW) junction with Skyline Blvd. 366 Comment
  SEINET884614 Image available Castilleja wightii A. D. E. Elmer 1903-1 4761 San Mateo San Pedro. Comment
  CAS-BOT-BC39385  Caulanthus lasiophyllus Wilhelm Nikolaus Suksdorf 1913-6-23 258 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC40242  Caulanthus lasiophyllus G. H. True 1937-3-31 614 San Mateo Salada Beach. Comment
  CDA24867  Caulanthus lasiophyllus D. G. Kelch 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  LA41998  Ceanothus cuneatus Lewis S. Rose; 1932-2-27 3246 San Mateo Belmont Comment
  POM136316  Ceanothus cuneatus A. D. E. Elmer 1903-03 4578 San Mateo Portola 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
  JROH3521  Ceanothus cuneatus var. cuneatus Duncan M. Porter 1961-2-8 741 San Mateo Jasper Ridge Biological Preserve, Stanford University. N slope of ridge below picnic area near crest at N end of ridge Comment
  JROH3522  Ceanothus cuneatus var. cuneatus Duncan M. Porter 1961-2-8 741 San Mateo Jasper Ridge Biological Preserve, Stanford University. N slope of ridge below picnic area near crest at N end of ridge Comment
  CAS-BOT-BC49652  Ceanothus foliosus var. foliosus J. H. Thomas 1949-4-14 280 San Mateo Kings Mountain. Roadside near Woodside. Comment
  CAS-BOT-BC51594  Ceanothus oliganthus var. sorediatus A. D. E. Elmer 1903-5-1 4479 San Mateo Portola Comment
  UC79845  Ceanothus oliganthus var. sorediatus Katharine Brandegee April 1889 39 San Mateo Mountains back Redwood City; back of Redwood City Comment
  CAS-BOT-BC51244  Ceanothus papillosus R. Hoffough 1929-5-8 s.n. San Mateo King's Mountain Comment
  RSA136269  Ceanothus papillosus C. F. Baker 1902-5-10 803 San Mateo Kings Mountain. Comment
  CAS-BOT-BC52276  Ceanothus thyrsiflorus Javier Penalosa 1963-3-9 2695 San Mateo Ravine 1/2 mi. east of 1314 ft. summit 304 Comment
  CAS-BOT-BC52301  Ceanothus thyrsiflorus A. D. E. Elmer 1903-6-1 4603 San Mateo Lake San Andreas Comment
  CAS-BOT-BC52308  Ceanothus thyrsiflorus Josephine D. Randall 1907-6-8 320 San Mateo Portola Valley Comment
  CAS-BOT-BC52309  Ceanothus thyrsiflorus Josephine D. Randall 1907-6-29 322 San Mateo Kings Mt. Comment
  CAS-BOT-BC52311  Ceanothus thyrsiflorus H. A. Borthwick 1920-4-28 s.n. San Mateo Crystal Springs Lake Comment
  RSA210944  Ceanothus thyrsiflorus E. K. Balls 1969-9-16 12175 San Mateo 6.5 miles F from Skywood along L Honda road, by the San Gregorio Creek, Santa Cruz Mts. 122 Comment
  UC1071406  Ceanothus thyrsiflorus G. E. Sindel 1935-8-13 327 San Mateo San Gregoria Creek 91 Comment
  UC1073367  Ceanothus thyrsiflorus George B. Rossbach 1955-3-26 342 San Mateo San Pedro Point, northwest end Montara Mountains Comment
  UC1174506  Ceanothus thyrsiflorus LeRoy Abrams 1902-5-20 2463 San Mateo King's Mountain Comment
  UC204089  Ceanothus thyrsiflorus A. D. E. Elmer June, 1903 4603 San Mateo Lake San Andreas Comment
  UCSC011285  Ceanothus thyrsiflorus Unknown 1972-5-31 s.n. San Mateo Waddell Creek area Comment
  SBBG115374  Ceanothus thyrsiflorus var. thyrsiflorus R. Gankin 1950-7-9 21 San Mateo 1 mi W of Pescadero toward St Hwy 1 15 Comment
  JROH588  Centaurea calcitrapa D. E. Breedlove 1971-5-11 19335 San Mateo Jasper Ridge Biological Preserve, Stanford University; at Pinon Road along fence Comment
  CDA35517  Centaurea calcitrapa Ed Finley 1986-9-3 s.n. San Mateo Near Pilarcitos Lake. 0 Comment
  SD30655  Centaurea calcitrapa Edith A. Purer 1933-8-13 5423 San Mateo In an open field, 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
  RSA176865  Centaurea melitensis John H. Thomas 1963-7-19 10199 San Mateo Ano Nuevo Island, about 0.5 mile off shore and about 20 mi. NW of Santa Cruz. Comment
  JROH605  Centaurea solstitialis John Hunter Thomas 1977-6-16 18765 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC277227  Centaurea solstitialis George Oberlander 1949-7-24 268 San Mateo San Francisco Watershed Reserve. South of San Andreas Lake Comment
  RSA133075  Centaurium davyi John H. Thomas 1954-6-11 4276 San Mateo 0.8 mile north of Pescadero Creek. 30 Comment
  UC35457  Centaurium trichanthum W. C. Blasdale 1893-6-17 San Mateo Belmont Comment
  CAS-BOT-BC279324  Centromadia pungens subsp. pungens Elizabeth McClintock 1967-9-24 s.n. San Mateo San Bruno Mountain. Crocker Avenue Comment
  CAS-BOT-BC279323  Centromadia pungens subsp. pungens L. S. Rose 1941-10-10 41463 San Mateo Along the Bayshore Boulevard, San Mateo 3 Comment
  JEPS44407  Centromadia pungens subsp. pungens Lewis S. Rose 1965-9-20 65106 San Mateo Trousdale Dr. and California Dr.; Burlingame 9 Comment
  POM319936  Cerastium arvense Barbara Shervanick 1973-4-1 788 San Mateo San Bruno Mt. at first summit at end of Crocker Rd.; Mt. Range: San Bruno Mts.; Drainage Area: San Francisco Bay. Comment
  UCD164003  Cerastium fontanum subsp. vulgare Peter Rubtzoff 1977-11-24 9141 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  JROH1688  Cerastium glomeratum John H. Thomas 1957-4-16 6649 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5830  Ceratophyllum demersum Ann Lambrecht, Paul Heiple 2008-8-6 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake Comment
  CAS-BOT-BC135470  Cercocarpus betuloides var. betuloides W. R. Dudley 1902-11-2 s.n. San Mateo Bank os San Francisquito Cr. half mile above Adelanta Vill bridge. Comment
  CAS-BOT-BC135471  Cercocarpus betuloides var. betuloides J. I. McMurphy 1906-4-4 18 San Mateo Los Trancos Creek - Santa Cruz Mts. Comment
  JROH3628  Cercocarpus betuloides var. betuloides John Hunter Thomas 1987-5-19 24297 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS59770  Chenopodium chenopodioides W. L. Jepson 1923-10-18 10258 San Mateo hills w Colma (swale near ocean) Comment
  POM279724  Chenopodium murale Lyman Benson 1937-6-27 8394 San Mateo Moss Beach. 3 Comment
  CAS-BOT-BC471350  Chenopodium rubrum var. humile L. R. Abrams; I. L. Wiggins 1930-11-13 178 San Mateo Margin of pond at Salada Beach Comment
  CAS-BOT-BC497725  Chlorogalum pomeridianum Ned Cahill 1974-4-29 171 San Mateo Serpentine fields bordered by chaparral near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC497728  Chlorogalum pomeridianum Hester R. Davis 1920-6-2 199 San Mateo Serpentine Creek and Redwood City Comment
  JROH4644  Chlorogalum pomeridianum var. pomeridianum George Pilz 1963-6-10 43 San Mateo Jasper Ridge Biological Preserve, Stanford University 60 Comment
  CDA38625  Chondrilla juncea J. Beall 2012-7-27 PDR# 410 P06055583 San Mateo San Carlos; west side of Edmonds Road, near Crestview Drive and Edgewood Road. 0 Comment
  NY285629  Chorizanthe cuspidata var. marginata A. D. E. Elmer 05 1903 4828 San Mateo San Pedro Comment
  NY285630  Chorizanthe cuspidata var. marginata A. D. E. Elmer 05 1903 4828 San Mateo San Pedro Comment
  JROH3221  Chorizanthe diffusa Le Roy Abrams 1901-5-1 1653 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA130687  Chrysanthemum leucanthemum W. R. Dudley 1908-6-19 s.n. San Mateo Hills N of Jersey Farm Dairy. W of Baden Comment
  CAS-BOT-BC389694  Chrysolepis chrysophylla Mary K. Wicksten 1970-8-14 63 San Mateo Archery Trail, Huddart Prk. 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
  SEINET3383254 Image available Cirsium fontinale Lewis S. Rose 1933-6-9 33223 San Mateo Crystal Springs Lake Springs. Comment
  CAS-BOT-BC100946  Cirsium fontinale var. fontinale A. D. E. Elmer 1903-6-1 4292 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC100947  Cirsium fontinale var. fontinale Lewis S. Rose 1936-5-23 36295 San Mateo E of Crystal Springs Lake. Type Locality 152 Comment
  CDA1227  Cirsium fontinale var. fontinale T. C. Fuller 1960-6-23 4541 San Mateo E shore Upper Crystal Springs Lake; 0.7 miles S/ road across lake. 0 Comment
  CDA1228  Cirsium fontinale var. fontinale T. C. Fuller 1960-6-23 4541 San Mateo E shore Upper Crystal Springs Lake; 0.7 miles S/ road across lake. 0 Comment
  RSA0008429  Cirsium fontinale var. fontinale L. S. Rose 1953-6-29 53046 San Mateo 0.5 mile E of Crystal Springs Lake on road to Belmont. Comment
  SEINET5506233  Cirsium fontinale var. fontinale Lewis S. Rose San Mateo Comment
  POM54352  Cirsium occidentale var. venustum A. D. E. Elmer 1903-06 4259 San Mateo Crystal Springs Lake. Comment
  UC30885  Cirsium occidentale var. venustum J. Burtt Davy 1895-4-20 1083 San Mateo San Mateo Creek Comment
  RSA18506  Cirsium occidentale var. venustum C. B. Wolf 1927-7-14 614 San Mateo Summit of Kings Mountain Rd. Comment
  CAS-BOT-BC280509  Cirsium quercetorum John H. Thomas 1961-5-14 9378 San Mateo Just north of dam on San Mateo Creek 121 Comment
  CAS-BOT-BC280523  Cirsium quercetorum A. D. E. Elmer 1903-6-1 4290 San Mateo Crystal Springs Lake Comment
  OBI62652  Cirsium quercetorum Casey J. Stewman 2003-6-2 s.n. San Mateo Near jctn of hwy 280 and hwy 92. More [plants] found on San Francisco Water District open space lands adj to project site. Comment
  UC895026  Cirsium quercetorum S. F. Blake 1927-7-8 10006 San Mateo Crystal Springs Lake Comment
  CDA7143  Cirsium vulgare D. G. Kelch 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  HSC24013  Cirsium vulgare Mary Katherine Wicksten 1971-6-30 142 San Mateo Huddart Park, by horse ring Comment
  CAS-BOT-BC223882  Cistus Greg de Nevers 1996-5-22 10811 B San Mateo Edgewood County Park 121 Comment
  CAS-BOT-BC164315  Clarkia davyi A. A. Heller 1906-6-8 8384 San Mateo Near Ocean View, San Francisco, on the Lake Merced side of the Ocean Shore tracks Comment
  JEPS127894  Clarkia purpurea subsp. quadrivulnera Adam C. Schneider 2013-5-17 178 San Mateo Comment
  SEINET4145648  Clarkia purpurea subsp. quadrivulnera A. A. Heller 1906-6-8 8382 San Mateo Near Ocean View, San Francisco Comment
  CAS-BOT-BC165141  Clarkia rubicunda Ira L. Wiggins 1938-7-9 8933 San Mateo Pigeon Point, about one half mile North of the Light House Comment
  CAS-BOT-BC165152  Clarkia rubicunda Daniel Cohen 1953-6-3 106 San Mateo Los Trancos Woods Comment
  CAS-BOT-BC165158  Clarkia rubicunda Eric Walther 1919-6-9 s.n. San Mateo Woodside Comment
  CAS-BOT-BC165175  Clarkia rubicunda Hester R. Davis 1920-6-1 180 San Mateo Back of Redwood City Comment
  CAS-BOT-BC165178  Clarkia rubicunda Ira L. Wiggins 1938-7-9 8933 San Mateo Pigeon Point, about one half mile North of the Light House Comment
  JEPS17914  Clarkia rubicunda Rimo Bacigalupi 1955-8-4 5445 San Mateo just s Pedro Point (high above the ocean, w end of mountain); Montara Mtn. Comment
  JROH3013  Clarkia rubicunda John H. Thomas 1963-6-23 10164 San Mateo Jasper Ridge Biological Preserve, Stanford University; near exclosure Comment
  JROH3015  Clarkia rubicunda Rachel Hays 1972-7-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3017  Clarkia rubicunda Raymond R. White 1974-6-3 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; area H Comment
  JROH3035  Clarkia rubicunda John Hunter Thomas 1987-5-19 24296 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA78149  Clarkia rubicunda A. D. E. Elmer 1903-06 4310 San Mateo Crystal Springs Lake. Comment
  SBBG5002  Clarkia rubicunda H. and M. Dearing 1951-8-17 6945 San Mateo Pigeon Point, N of Santa Cruz Comment
  CAS-BOT-BC165140  Clarkia rubicunda Lewis S. Rose 1957-7-6 57117 San Mateo Skyline Blvd. w. of San Mateo 182 Comment
  RSA15204  Clarkia rubicunda Carl B. Wolf 1926-10-19 86 San Mateo West of La Honda; Santa Cruz Mountains Comment
  SEINET12189237  Clarkia rubicunda Unknown 1932-1 9247 San Mateo near Pescadero Comment
  UCD104827  Clarkia rubicunda H. F. Copeland 1929-7-4 s.n. San Mateo La Honda Grade. Comment
  POM32260  Clarkia rubicunda subsp. blasdalei Katherine Brandegee 1908-08 s.n. San Mateo Between San Pedro and Moss Beach Comment
  RSA108439  Clarkia rubicunda subsp. blasdalei Harlan Lewis, M. Lewis 1951-6-28 962 San Mateo Highway 1, 0.6 mile south of road to Redwood City, at Tunitas Creek. Comment
  CAS-BOT-BC165604  Clarkia unguiculata Margaret A. Barry 1937-6-22 166 San Mateo On Coal Mine Ridge Comment
  CAS-BOT-BC165603  Clarkia unguiculata C. F. Leithold 1894-8-13 s.n. San Mateo Devil's [Canon] Canyon, branch of Pescadero & Mill Cr., Black Mt. Comment
  CAS-BOT-BC439291  Claytonia exigua subsp. exigua D. K. Gillespie 1930-4-21 9222 a San Mateo Emerald Lake near Redwood City. Comment
  CAS-BOT-BC439290  Claytonia exigua subsp. exigua H. A. Dutton 1900-2-25 s.n. San Mateo Santa Cruz Peninsula. Woodside 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-BC91481  Clematis lasiantha J. I. McMurphy 1906-5-20 19 San Mateo Santa Cruz Peninsula. Santa Cruz Mountains. Woodside. Comment
  SD49791  Clematis lasiantha John H. Thomas 1959-4-5 7666 San Mateo Jasper Ridge, about 5 miles southwest of Palo Alto, western end 152 Comment
  SEINET10476024  Clematis lasiantha Charles F. Baker Baker 499 San Mateo La Hondo, California Comment
  JROH2871  Clinopodium douglasii H. A. Lewis 1908-5-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lake Comment
  JROH2872  Clinopodium douglasii John H. Thomas 1969-6-4 15110 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2881  Clinopodium douglasii John Hunter Thomas 1986-6-7 24087 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC23891  Clinopodium douglasii Mary Katherine Wicksten 1971-6-16 33 San Mateo Bank at Huddart Park, by Werder Flat Comment
  UCD123583  Collinsia heterophylla W. A. Harvey; J. M. Tucker 1948-6-29 1702 San Mateo beside road to Portola State Park, just west of junction with Highway 5 (Skyline Boulevard). Comment
  JEPS19373  Collinsia sparsiflora var. sparsiflora G. Thomas Robbins 1937-4-11 86 San Mateo near Spring Valley Lake (along rd to Woodside) Comment
  JROH211  Conium maculatum John H. Thomas 1975-6-5 17927 San Mateo Jasper Ridge Biological Preserve, Stanford University; near lowflow crossing Comment
  JROH213  Conium maculatum John Hunter Thomas 1980-5-6 19932 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1849  Convolvulus arvensis John Hunter Thomas 1982-7-2 21056 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing Comment
  JROH1853  Convolvulus arvensis John Hunter Thomas 1986-6-3 24078 San Mateo Jasper Ridge Biological Preserve, Stanford University; old racing bowl Comment
  JROH1857  Convolvulus arvensis John Hunter Thomas 1989-5-9 24701 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET5547340  Convolvulus arvensis H. S. Gentry 1931-1 94 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  CAS-BOT-BC285995  Conyza bonariensis John H. Thomas 1961-8-27 9692 San Mateo Colma. Near intersection of El Camino Real and F Street 45 Comment
  CAS-BOT-BC285992  Conyza bonariensis W. Knight; I. Knight 1966-10-4 2042 San Mateo San Bruno Mountain. Crocker hills marsh between Geneva and Guadalupe parkway Comment
  RSA120503  Corallorhiza maculata S. S. Tillett, I. Sternback 1956-6-24 533 San Mateo Middleton property, behind (N.) Portola Camp Store, just outside Portola State Park. 396 Comment
  UC26325  Cordylanthus maritimus subsp. palustris J. Burtt Davy 1893-6-17 773 San Mateo Belmont South Coast Ranges Comment
  RSA40318  Cordylanthus pilosus subsp. pilosus L. S. Rose 1941-8-9 41362 San Mateo Woodside. 549 Comment
  JEPS23960  Cordylanthus rigidus subsp. rigidus John H. Thomas 1959-8-22 8075 San Mateo Jasper Ridge, 5 mi sw Palo Alto; Jasper Ridge 152 Comment
  JEPS2971  Cordylanthus rigidus subsp. rigidus James G. Daly 1934-9-30 526 San Mateo ridge s of upper Corte de Madera Creek (drainage of La Honda Creek) Comment
  RSA51367  Cordylanthus rigidus subsp. rigidus L. S. Rose 1949-8-14 49163 San Mateo Emerald Lake, hills west of Redwood City. 122 Comment
  JROH4033  Cordylanthus rigidus subsp. rigidus Deane Bowers 1980-8-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; outskirts just down the road from the Escobar entrance Comment
  JROH4035  Cordylanthus rigidus subsp. rigidus Deane Bowers 1980-8-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; outskirts just down the road from the Escobar entrance Comment
  CAS-BOT-BC101476  Corethrogyne filaginifolia David D. Keck 1932-5-25 1785 San Mateo East side of Crystal Springs Lake Comment
  CAS-BOT-BC101477  Corethrogyne filaginifolia A. A. Heller 1907-5-28 8576 San Mateo Above Crystal Springs on the Half Moon Bay Road Comment
  CAS-BOT-BC101483  Corethrogyne filaginifolia George Oberlander 1950-4-3 863 San Mateo Grassland east of Lower Crystal Spr. Lake Comment
  CAS-BOT-BC101484  Corethrogyne filaginifolia John Thomas Howell 1962-6-6 37415 San Mateo Crystal Springs Lake Comment
  SJSU15948  Corethrogyne filaginifolia John Rawlings, Ken Hickman 2016-5-26 1824 San Mateo Serpentine seep area up-slope from the Hwy 92 west onramp to Hwy 280 north; down-slope from San Francisco Watershed fence line 122 Comment
  RSA107076  Cornus californica L. S. Rose 1956-5-7 56064 A San Mateo 3 mi. e. of Half Moon Bay. 30 Comment
  RSA187486  Cornus californica John H. Thomas 1954-4-3 3817 San Mateo Along San Gregorio Creek about 1.5 miles west of La Honda. Alt. about 350 feet. Comment
  RSA0019451  Cornus glabrata C. B. Wolf 1931-8-20 2326 San Mateo Los Trancos Creek, 2 miles back of Stanford University, near Schenkel's Camp. 91 Comment
  SJSU128  Cornus sericea T. Merson 1933-10-4 San Mateo by Mud Lakes near Coal Mine Ridge above Corte Madera Cr Comment
  SEINET3407584 Image available Cornus sericea Lewis S. Rose 1939-5-5 39094 San Mateo San Mateo Canyon. 46 Comment
  UCR121552  Coronopus didymus George K. Helmkamp, E. A. Helmkamp 1999-6-28 4992 San Mateo Pescadero Creek Watershed, Bean Hollow Road 0.3 mi south of Pescadero Road (SW of Pescadero). Slopes above Butano Creek 61 Comment
  CAS-BOT-BC180278  Corylus cornuta subsp. californica Phillip Wheeler 1965-6-7 s.n. San Mateo Lower Owls Canyon ridge. San Bruno Mountain Comment
  CAS-BOT-BC180370  Corylus cornuta subsp. californica Ira L. Wiggins 1925-4-1 1649 San Mateo On Kings Mountain Road 3/4 of a mile above Woodside Comment
  CAS-BOT-BC180371  Corylus cornuta subsp. californica Ira L. Wiggins 1929-3-23 3373 San Mateo Road to Mud Lake, near Stanford University Comment
  JROH1336  Corylus cornuta subsp. californica John Hunter Thomas 1981-2-14 20228 San Mateo Jasper Ridge Biological Preserve, Stanford University; redwood area below dam Comment
  SEINET12034012  Corylus rostrata var. californica Unknown 1929-1 7292 San Mateo Kings Mtn Comment
  CAS-BOT-BC452289  Cotoneaster franchetii Philip Wheeler 1965-6-13 s.n. San Mateo San Bruno Mountain; Colma Canyon Comment
  RSA210917  Cotoneaster lacteus John H. Thomas 1968-10-6 14842 San Mateo Vicinity of railroad tracks and Dumbarton Bridge causeway entrance. E of Palo Alto. Comment
  SEINET7876341 Image available Cotoneaster lacteus A. T. Whittemore 2001-1 01 -019 San Mateo Garden of 418 Hillway Dr., Redwood City. 98 Comment
  CAS-BOT-BC141553  Cotoneaster pannosus Walter Knight; Irja Knight 1964-9-2 s.n. San Mateo Crocker Avenue near Guadalupe Road - San Bruno Mountain Comment
  CAS-BOT-BC141554  Cotoneaster pannosus Walter Knight; Irja Knight 1964-9-30 s.n. San Mateo Lower Kamchatka - San Bruno Mountain Comment
  JROH3644  Cotoneaster pannosus John Hunter Thomas 1983-6-2 22329 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC291466  Cotula coronopifolia John H. Thomas 1963-5-8 10063 San Mateo San Bruno Mountain 396 Comment
  CHSC27886  Cotula coronopifolia Susan Perkins 1978-3-24 7 San Mateo San Gregorio Beach, at jct Hwys 1 and 84. 30 yds s of San Gregorio Creek. 6 Comment
  JROH662  Cotula coronopifolia John Hunter Thomas 1981-7-12 20707 San Mateo Jasper Ridge Biological Preserve, Stanford University; edge of water along old beach Comment
  RSA176543  Cotula coronopifolia John H. Thomas 1963-5-8 10063 San Mateo San Bruno Mtn in northern part of county. 305 Comment
  RSA187304  Cotula coronopifolia John H. Thomas 1963-7-19 10193 San Mateo Ano Nuevo Island, about 0.5 mile off shore and about 20 mi. NW of Santa Cruz. Comment
  CAS-BOT-BC291460  Cotula coronopifolia Elizabeth McClintock; Paul Reeberg 1989-4-6 s.n. San Mateo Base of Owl Canyon, San Bruno Mountains 45 Comment
  CAS-BOT-BC291461  Cotula coronopifolia Phillip C. Wheeler 1965-5-8 s.n. San Mateo Point Sierra, San Bruno Mountain Comment
  CAS-BOT-BC291467  Cotula coronopifolia John H. Thomas 1963-7-19 10193 San Mateo Ano Nuevo Island about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  CDA19089  Cotula coronopifolia J. Beall 2001-4-24 PDR 064443 San Mateo Lightly scattered in Belmont Creek at Industrial Rd., Belmont. 0 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-BC427837  Crassula connata Javier Penalosa 1963-3-30 2743 San Mateo San Bruno Mountain. North of Randolph Drive at Hillside Blvd. in SSF. 289 Comment
  CAS-BOT-BC427836  Crassula connata Elizabeth McClintock 1965-4-11 s.n. San Mateo San Bruno Mountain. Near Guadalupe Road in Crocker Hills. Comment
  POM275977  Crataegus monogyna Lyman D. Benson 1930-5-3 2104 San Mateo Santa Cruz Mt. 244 Comment
  JROH1838  Crocanthemum scoparium John H. Thomas 1977-5-4 18600 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC19183  Crocanthemum scoparium var. scoparium J. Burtt Davy Jun 21 1893-Jun 23 1893 1157 San Mateo Pilarcitos Lake and Canyon Comment
  JROH1953  Croton setiger John H. Thomas 1958-11-22 7508 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1955  Croton setiger John H. Thomas 1959-8-22 8076 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1957  Croton setiger John H. Thomas 1967-11-5 14131 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD38456  Croton setiger Edith A. Purer 1933-8-25 5513 San Mateo Skyline Drive, along the roadside Comment
  JROH6203  Cryptantha clevelandii var. florosa John Rawlings 2014-5-6 1232 San Mateo Jasper Ridge Biological Preserve, Stanford University; on the top of Trevor's Knoll, about 70 m north of Trail 10. 181 Comment
  SBBG32437  Cryptantha flaccida L. S. Rose 1966-5-2 66032 San Mateo Emerald Lake, W of Redwood City 91 Comment
  JROH1375  Cryptantha micromeres D. E. Breedlove 1971-5-11 19331 San Mateo Jasper Ridge Biological Preserve, Stanford University; at Pinon Road along fence Comment
  JROH1377  Cryptantha microstachys John Hunter Thomas 1978-4-22 19102 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1383  Cryptantha microstachys John Rawlings 2012-5-25 1107 San Mateo Jasper Ridge Biological Preserve, Stanford University. Up-slope 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
  CDA9446  Cryptantha torreyana D. G. Kelch 2002-5-13 s.n San Mateo Cahill Ridge. 0 Comment
  JROH1385  Cryptantha torreyana var. pumila Herbert Dengler 1961-4-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near round enclosure -- top of J.R. Comment
  JROH1387  Cryptantha torreyana var. pumila John Rawlings 2009-5-7 1067 San Mateo Jasper Ridge Biological Preserve, Stanford University. North edge of Trail 9. 162 Comment
  RSA44329  Cupressus abramsiana Harry A. Dutton 1949-9-12 s.n. San Mateo Common corners of Sec. 11 & 12 and 13 &14, Range 4 West, North bank of North Fork of Butano Creek Comment
  RSA44330  Cupressus abramsiana Harry A. Dutton 1949-9-12 s.n. San Mateo Common corners of Sec. 11 & 12 and 13 &14, Range 4 West, North bank of North Fork of Butano Creek Comment
  RSA140852  Cupressus macrocarpa John H. Thomas 1960-8-28 8832 San Mateo Near Skyline Blvd. and Summit Dr. to the west of Hillsborough. Comment
  UCD126313  Cuscuta indecora var. indecora K. M. Koch 1929-7-20 s.n. San Mateo Byron District, Coward. 487 Comment
  JROH5712  Cuscuta subinclusa John Rawlings, Ann Lambrecht, Diane Renshaw 2015-5-19 1548 San Mateo Jasper Ridge Biological Preserve, Stanford University. Horse Trail near Escobar Rd. 121 Comment
  CDA39984  Cuscuta subinclusa W. Davis 1959-8-2 s.n. San Mateo Redwood City. 0 Comment
  CAS-BOT-BC287340  Cynara cardunculus John Thomas Howell 1956-11-14 31961 San Mateo Bayshore Highway just S of Main St, Redwood City Comment
  CAS-BOT-BC287341  Cynara cardunculus John Thomas Howell 1956-11-14 31961 San Mateo Bayshore Highway just S of Main St, Redwood City Comment
  RSA141091  Cynara scolymus John H. Thomas 1960-6-25 8800 San Mateo Redwood City. Along or near a small creek running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street. 8 Comment
  JROH5001  Cynodon dactylon John H. Thomas 1967-11-5 14135 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA13334  Cynoglossum grande C. B. Wolf 1927-4-3 264 San Mateo 1 mile above La Honda. Santa Cruz Mountains Comment
  UC1206465  Cynoglossum grande Le Roy Abrams 1902-4-6 2317 San Mateo Searsville Comment
  UCSB11483  Cynoglossum grande Olson, Jim 1962-4-15 San Mateo 8 miles north of junction with Portola State Park Road on Camp Pomponio Road; 10 miles southwest of La Honda 213 Comment
  JROH5011  Cynosurus echinatus W. Lennihan 1989-6-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. San Francisquito Creek -- above low-flow causeway on left in rocks. 81 Comment
  JROH5012  Cynosurus echinatus John Hunter Thomas 1990-5-29 24862 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near picnic area Comment
  CAS-BOT-BC114452  Cyperus eragrostis John Thomas Howell 1926-10-9 2216 San Mateo Near Lake San Andreas Comment
  CAS-BOT-BC114458  Cyperus eragrostis Phillip C. Wheeler 1965-5-8 s.n. San Mateo Sierra Point Comment
  JROH4380  Cyperus eragrostis John Hunter Thomas 1981-5-14 20577 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM290779  Cyperus eragrostis Lyman Benson 1937-7-8 8446 San Mateo Lake Searsville, Stanford University; Santa Cruz Mt. Range 122 Comment
  CAS-BOT-BC113985  Cyperus owanii John Thomas Howell 1966-9-4 s.n. San Mateo In garden of Edgar Kahn, 650 Edgewood Rd, Redwood City. Comment
  CAS-BOT-BC136517  Cypripedium montanum Miss. F. Patterson 1911-5-6 s.n. San Mateo Field redacted by CAS, contact the data manager for more information Comment
  JROH23  Cystopteris fragilis John Hunter Thomas 1992-4-23 25153 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Rattlesnake Rocks and along trail to redwoods Comment
  JEPS64797  Cytisus scoparius W. L. Jepson 1922-3-19 9534 San Mateo Millbrae 182 Comment
  CAS-BOT-BC192228  Danthonia californica Elizabeth McClintock 1963-6-9 s.n. San Mateo San Bruno Mountain Comment
  CAS-BOT-BC227627  Danthonia californica Peter Rubtzoff 1976-5-22 8547 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. East Fork Colma Creek Canyon area. Comment
  JROH5038  Danthonia californica John H. Thomas 1968-5-3 14437 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET10860712  Danthonia californica Adolph D. E. Elmer Elmer 4707 San Mateo Crystal Springs Lake. Comment
  UCD60673  Danthonia californica var. americana Ira L. Wiggins 1929-5-10 3673 San Mateo Coastal bluff at Pigeon Point. Comment
  JROH232  Daucus pusillus John Hunter Thomas 1991-5-2 25020 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSC007739  Daucus pusillus Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  UC796714  Deinandra corymbosa Ira L. Wiggins 1949-7-2 12199 San Mateo Pescadero Beach Comment
  UC1069489  Deinandra corymbosa G. E. Sindel 1935-7-25 305 San Mateo mouth Pescadero Creek Comment
  CAS-BOT-BC299210  Deinandra corymbosa subsp. corymbosa L. S. Rose 1941-8-9 41361 San Mateo Moss Beach 16 Comment
  CAS-BOT-BC299211  Deinandra corymbosa subsp. corymbosa Lewis S. Rose 1931-8-28 s.n. San Mateo Moss Beach Comment
  CAS-BOT-BC299222  Deinandra corymbosa subsp. corymbosa Alice Eastwood 1912-6-2 217 San Mateo Granada Comment
  CAS-BOT-BC299216  Deinandra corymbosa subsp. corymbosa Class Collection 1940-1-1 s.n. San Mateo Ano Nuevo Point Comment
  CAS-BOT-BC299228  Deinandra corymbosa subsp. corymbosa David D. Keck 1932-5-11 1765 San Mateo One mile east of San Gregorio 50 Comment
  JEPS23534  Delairea odorata J. H. Thomas 1958-12-18 7509 San Mateo just w San Bruno (along Skyline Blvd.) Comment
  CAS-BOT-BC292118  Delairea odorata John H. Thomas 1967-2-9 12404 San Mateo Montara. Near 3rd St. and Farallones Ave. Comment
  CAS-BOT-BC292120  Delairea odorata Elizabeth McClintock; Walter Knight; Irja Knight 1964-1-12 s.n. San Mateo San Bruno Mountain. Crocker Ave. Comment
  CAS-BOT-BC9235  Delphinium decorum Elizabeth McClintock 1965-4-25 s.n. San Mateo San Bruno Mountain, Owl's canyon Comment
  CAS-BOT-BC9248  Delphinium decorum Elizabeth McClintock 1972-4-23 s.n. San Mateo San Bruno Mountains, above Fern Rock Comment
  SEINET5546959  Delphinium decorum H. S. Gentry 1931-1 80 San Mateo Collected 1 mile SE of Holy Cross Cemetery. Comment
  JROH3443  Delphinium hesperium subsp. hesperium John H. Thomas 1974-5-29 17396 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3447  Delphinium hesperium subsp. hesperium John Hunter Thomas 1980-5-6 19927 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM270648  Delphinium patens Arthur L. Cohen 1935-4-21 606 San Mateo Jasper Ridge, Stanford University. Santa Cruz Mtn Range, San Francisco Bay Watershed. 152 Comment
  CAS-BOT-BC116525  Delphinium patens subsp. patens Josephine D. Randall 1908-3-22 s.n. San Mateo Corte de Madera Canon near Alpine Road Comment
  JROH3456  Delphinium patens subsp. patens John H. Thomas 1977-4-21 18540 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3460  Delphinium patens subsp. patens John Hunter Thomas 1986-4-10 23953 San Mateo Jasper Ridge Biological Preserve, Stanford University. Grassy area below dam 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-BC7890  Delphinium variegatum LeRoy Abrams 1902-5-11 2454 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC7891  Delphinium variegatum Mrs. John C. Angsbury 1932-4-1 s.n. San Mateo Kings. Mtn. Comment
  CAS-BOT-BC7900  Delphinium variegatum Alice Eastwood 1896-5-1 s.n. San Mateo Crystal Springs Comment
  RSA0008971  Delphinium variegatum subsp. apiculatum D. D. Keck 1933-5-11 2309 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC182767  Deschampsia cespitosa subsp. holciformis Peter Rubtzoff 1976-6-13 8639 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  HSC9615  Deschampsia cespitosa subsp. holciformis C. B. Wolf 1927-6-16 San Mateo W side of Spring Valley Lakes. Comment
  SJSU16035  Deschampsia cespitosa subsp. holciformis John Rawlings, Toni Corelli 2016-4-29 1769 San Mateo Cascade Field along Atkinson Bluff Trail, north of Cascade Cr. Trail, in Ano Nuevo State Park 11 Comment
  JROH5046  Deschampsia danthonioides John H. Thomas 1957-4-16 6654 B San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5049  Deschampsia danthonioides John Hunter Thomas 1982-5-7 20923 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5053  Deschampsia danthonioides John Hunter Thomas 1989-5-3 24653 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5057  Deschampsia danthonioides John Rawlings 2007-5-2 1019 San Mateo Jasper Ridge Biological Preserve, Stanford University. Just off (south side) Road F at edge of chaparral in vernally wet area. 167 Comment
  RSA95545  Deschampsia danthonioides L. S. Rose 1953-4-17 53016 San Mateo Redwood City, along Bayshore Highway 3 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-BC905  Dicentra chrysantha Mrs. Ernest Meiere 1916-6-1 s.n. San Mateo Mt. Diablo Comment
  UCSB44360  Dicentra formosa Brownell, K. 1979-3-27 San Mateo Gazoos Road, .6 miles east of Highway 1, near Butano State Park 76 Comment
  CAS-BOT-BC707  Dicentra formosa subsp. formosa Charles Fuller Baker 1902-3-22 344 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC911  Dicentra formosa subsp. formosa LeRoy Abrams 1902-4-13 2336 San Mateo Crystal Springs Comment
  CAS-BOT-BC500899  Dichelostemma capitatum Elmer I. Applegate 1895-5-8 703 a San Mateo San Francisquito Creek, Stanford University Comment
  SD39077  Dichelostemma capitatum subsp. capitatum Marie Cummings 1933-4-11 8 San Mateo Spring Valley Lake. Comment
  UCSB18428  Dichelostemma capitatum subsp. capitatum Muirhead, M. 1964-4-17 San Mateo Crocker instate; Hillsborough, California 83 Comment
  JROH4665  Dichelostemma congestum John Hunter Thomas 1982-4-23 20836 San Mateo Jasper Ridge Biological Preserve, Stanford University. Picnic area Comment
  CAS-BOT-BC150443  Diplacus aurantiacus J. F. Emmel 1970-2-22 256 San Mateo 0.3 air mile SE of 1314 summit, on NE slope of San Bruno Mt. 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
  JROH1908  Dipsacus sativus John H. Thomas 1964-11-15 10528 A San Mateo Jasper Ridge Biological Preserve, Stanford University; to the northeast of the dam Comment
  JROH1911  Dipsacus sativus John H. Thomas 1975-5-2 17855 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC121865  Dirca occidentalis Quinn P. Sinnott; Kathy A. Sinnott 1975-3-1 611 San Mateo Along road about 1 miles N of Stone Dam. San Francisco Watershed at Crystal Springs. 243 Comment
  CAS-BOT-BC121868  Dirca occidentalis Alice Eastwood 1922-5-31 11334 San Mateo Crystal Springs Lakes Comment
  SBBG33466  Dirca occidentalis A. D. E. Elmer -Mar-1903 4123 San Mateo Alpine Road Comment
  SEINET12190189  Dirca occidentalis L. S. Gill 1930-1 178 San Mateo near Searsville Lake Comment
  UC38050  Distichlis spicata J. Burtt Davy 1893-6-17 San Mateo Belmont Comment
  JROH3384  Dodecatheon hendersonii Herbert Dengler 1959-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC17872  Dodecatheon hendersonii Donald A. Johansen 1940-3-9 810 San Mateo Skyline Blvd. W of Burlingame Comment
  POM287492  Dodecatheon hendersonii subsp. cruciatum Lyman Benson 1931-2-28 2609 San Mateo Town: Woodside; Mt. Range: Santa Cruz; River: San Francisquito Cr. 183 Comment
  POM287491  Dodecatheon hendersonii subsp. cruciatum Lyman Benson 1931-2-16 2583 San Mateo Stanford University. Corte Madra Creek. 152 Comment
  CAS-BOT-BC389714  Drymocallis glandulosa Sharon Rogers 1966-4-23 s.n. San Mateo Area in Crystal Springs watershed, between North and South Gates of Filoli Estate Comment
  RSA100999  Drymocallis glandulosa var. wrangelliana G. Oberlander 1950-4-2 559 San Mateo Near San Andreas Lake, San Francisco Watershed Reserve Comment
  UC860653  Drymocallis glandulosa var. wrangelliana Alice Eastwood 1912-6-10 327 San Mateo Crystal Springs Comment
  RSA152261  Drymocallis glandulosa var. wrangelliana I. L. Wiggins 1925-04 1662 San Mateo On Kings Mtn Road three fourths of a mile above Woodside. Comment
  UC903041  Drymocallis glandulosa var. wrangelliana Ethel Crum 1934-4-29 1695 San Mateo one mi w Pescadero (near Pebble Beach); w of Pescadero, near Pebble Beach 30 Comment
  JROH30  Dryopteris arguta Lawrence J. Winship 1974-11-2 6 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH37  Dryopteris arguta John Hunter Thomas 1980-11-12 20162 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH41  Dryopteris arguta John Hunter Thomas 1982-11-8 21257 C San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH3663  Duchesnea indica var. indica Toni Corelli 2007-8-29 341 San Mateo Jasper Ridge Biological Preserve, Stanford University; south of Road B, downstream from the Dennis Martin Site in San Francisquito Cr. dry creek bed 70 Comment
  UC144384  Dudleya caespitosa B 1903-6-30 3440 San Mateo Pilarcitos Comment
  CAS-BOT-BC428362  Dudleya farinosa Ira L. Wiggins 1929-7-4 3802 San Mateo Near the mouth of Pescadero Creek, 2 miles from town of Pescadero Comment
  JROH1808  Dysphania ambrosioides John H. Thomas 1968-10-29 14857 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH1912  Elatine brachysperma John Hunter Thomas 1982-8-13 21137 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC112956  Eleocharis macrostachya Copeland 1903-3-1 3340 San Mateo Searsville Comment
  CAS-BOT-BC112957  Eleocharis macrostachya Rimo Bacigalupi 1922-5-25 s.n. San Mateo Emerald Lake Redwood City. Comment
  POM352566  Elymus californicus P. H. Raven 1967-6-25 21418 San Mateo Pescadero Road 2.8 miles SW of Alpine Road. Comment
  CAS-BOT-BC203686  Elymus glaucus subsp. glaucus H. A. Borthwick 1920-5-24 179 San Mateo Santa Cruz Mountain Peninsula. La Honda Comment
  CAS-BOT-BC203687  Elymus glaucus subsp. glaucus George Oberlander 1950-5-28 990 San Mateo San Francisco Watershed Reserve. Cahill Ridge Comment
  JROH5101  Elymus glaucus subsp. glaucus John H. Thomas 1962-5-31 9900 San Mateo Jasper Ridge Biological Preserve, Stanford University. Oak woodland near Westridge end of ridge. Comment
  JROH5102  Elymus glaucus subsp. glaucus John H. Thomas 1967-6-1 12951 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5112  Elymus glaucus subsp. glaucus W. Lennihan 1989-4-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 10, on hill by trail. Comment
  UCSC007753  Elymus mollis subsp. mollis Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  JROH5118  Elymus multisetus John H. Thomas 1967-6-1 12949 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5131  Elymus multisetus John Hunter Thomas 1986-6-7 24086 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC210135  Elymus repens Peter Rubtzoff 1977-6-21 9055 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
  CDA2047  Elytrigia repens Bruce Martin Aug 1949 San Mateo Coastal; Half Moon Bay, near San Francisco (about 30 mi. So.) 0 Comment
  JROH5814  Epilobium brachycarpum Rebecca Reynolds 2016-8-8 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. On south-facing steep road bank opposite Tr. 14/Rd E intersection 92 Comment
  UC873502  Epilobium brachycarpum Roxana Stinchfield 1915-10-14 261 San Mateo Cedro Villa Stanford University Comment
  CAS-BOT-BC165935  Epilobium canum Ira L. Wiggins 1980-8-29 22254 San Mateo Sandy bed of San Francisquito Creek, ca 125 m upstream from Pope Street bridge, Menlo Park Comment
  SEINET12641003  Epilobium canum E. Crawford 1982-1 s.n. San Mateo Beside highway 1, up cliff from Pomponio Beach. 37 Comment
  SJSU802  Epilobium canum subsp. canum M. B. Mirassou 1943-5-10 191 San Mateo near Pigeon Point Comment
  UCR121551  Epilobium ciliatum George K. Helmkamp, E. A. Helmkamp 1999-6-28 4998 San Mateo Pescadero Creek Watershed, Bean Hollow Road 0.3 mi south of Pescadero Road (SW of Pescadero). Slopes above Butano Creek 61 Comment
  JROH3051  Epilobium ciliatum subsp. ciliatum John H. Thomas 1976-10-16 18424 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low flow crossing Comment
  SJSU15420  Epipactis helleborine Toni Corelli 2011-8-31 713 San Mateo Pescadero State Beach and Marsh Natural Preserve. West Butano Loop about 0.5 mile southeast of Hwy. 1 off of Pescadero Road. 3 Comment
  RSA0065214  Equisetum A. C. Sanders 2014-8-3 41236 San Mateo South San Francisco, San Francisco Bay Trail in vicinity of S Airport Drive, Utah Ave., and Haskins Way, between Hwy 101 and San Francisco Bay. 3 Comment
  CAS-BOT-BC57614  Equisetum telmateia A. D. E. Elmer 1903-3-1 4501 San Mateo Portola Comment
  CAS-BOT-BC57604  Equisetum telmateia Ira L. Wiggins 1931-3-15 5103 San Mateo between Skyline Blvd. and La Honda Comment
  UC311544  Equisetum telmateia subsp. braunii A. D. E. Elmer March, 1903 4501 San Mateo Portola Comment
  JROH65  Equisetum telmateia subsp. braunii John H. Thomas 1967-4-28 12730 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  RSA0051549  Equisetum telmateia var. braunii W. M. Arbaugh 1968-4-10 256 San Mateo Butano State Park. Comment
  RSA684684  Equisetum telmateia var. braunii J. Doty 1969-3-27 608 San Mateo S side of State Hwy 84, ca 500 W of Bridge No. 35-165, ca 6 miles E of State Hwy 1. Comment
  CAS-BOT-BC291202  Erechtites glomeratus E. McClintock; Phillip Wheeler 1965-5-23 s.n. San Mateo San Bruno Mountain. Top of ridge, east of Nike station Comment
  CDA4539  Erechtites minimus P. Arnaud 1958-7-13 839 -58 San Mateo San Mateo County Memorial Park. 0 Comment
  SEINET7042863  Eremalche rotundifolia A. G. Vestal 1962-3-26 s.n. San Mateo Laguna Salada. San Francisco South quadrangle UTM Zone 10, 545384mE, 4164305mN. Comment
  RSA132467  Eremocarpus setiger John H. Thomas 1959-8-22 8076 San Mateo Jasper Ridge, about 5 miles southwest of Palo Alto. 152 Comment
  RSA436025  Eremocarpus setiger E. A. Purer 1933-8-25 18243 San Mateo Skyline Drive Comment
  JROH5711  Eriastrum abramsii John Rawlings 2015-5-10 1524 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 14 near its terminus with Rd. E. 113 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
  UC618364  Eriastrum abramsii Lewis S. Rose 1937-9-21 37659 San Mateo Emerald Lake 182 Comment
  RSA0103881  Eriastrum abramsii L. S. Rose 1937-9-21 37659 San Mateo Emerald Lake. 183 Comment
  CAS-BOT-BC286882  Ericameria ericoides David D. Keck 1931-10-5 1286 San Mateo 1 mile north of Salada Beach 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
  JROH689  Erigeron foliosus var. foliosus W. R. Dudley 1895-6-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; top of ridge near Searsville Dam, Portola Valley Comment
  POM204314  Erigeron glaucus I. L. Wiggins 1929-7-4 3798 San Mateo Pescadero Beach Comment
  POM289038  Erigeron glaucus Lyman Benson 1930-6-14 2152 San Mateo San Gregorio. 30 Comment
  JROH5627  Erigeron sumatrensis Ann Lambrecht 2006-11-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Behind outbuildings near caretaker's residence (Sector 29 D3) Comment
  JROH2723  Eriodictyon californicum D. E. Breedlove 1971-5-31 19391 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH2725  Eriodictyon californicum John H. Thomas 1974-5-29 17398 San Mateo Jasper Ridge Biological Preserve, Stanford University; riders' shack Comment
  JROH2727  Eriodictyon californicum Raymond R. White 1974-6-3 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; area H Comment
  LA205654  Eriodictyon californicum Lewis S. Rose; 1932-5-3 32220 San Mateo Belmont 182 Comment
  SD38515  Eriodictyon californicum Edith A. Purer 1933-5-25 3650 San Mateo La Honda Grade Comment
  SEINET12271679  Eriodictyon californicum J. H. Thomas 1959-1 7667 San Mateo Jasper Ridge, ca 5 mi SW of Palo Alto 152 Comment
  JEPS127890  Eriogonum fasciculatum var. foliolosum Adam C. Schneider with C. Matt Guilliams and Will Freyman 2013-6-24 309 San Mateo Crystal Springs Reservoir. Comment
  CAS-BOT-BC250548  Eriogonum gracile John H. Thomas 1971-5-2 15823 San Mateo Near intersection of Canada and Edgewater [Edgewood?] roads. About 4 miles SW of center of Redwood City 304 Comment
  CAS-BOT-BC250542  Eriogonum gracile W. R. Dudley 1902-9-21 s.n. San Mateo Santa Cruz Peninsula. Whipple Road near Crystal Springs Lake Comment
  CAS-BOT-BC250545  Eriogonum gracile Paul H. Arnaud, Jr. 1959-8-2 s.n. San Mateo Hills above Redwood City Comment
  CAS-BOT-BC251978  Eriogonum latifolium Barrett Anderson; Peter Rubtzoff 1988-4-22 3666 San Mateo San Bruno Mountain. Radio Road south of Guadalupe Canyon Parkway 365 Comment
  SBBG25112  Eriogonum latifolium D. Myrick 1966-6-11 1450 San Mateo Pigeon Point on Hwy 1 S of San Francisco Comment
  UC1349016  Eriogonum latifolium Robert F. Thorne and P. Everett 1963-6-9 32238 San Mateo top of San Bruno Mountain San Bruno Mountain 335 Comment
  UC176458  Eriogonum latifolium Katharine Brandegee 1913-8-11 San Mateo Tobin Comment
  UC849505  Eriogonum latifolium Mrs. E. C. Phipps July 1922 San Mateo Tunitas Creek Comment
  CAS-BOT-BC251975  Eriogonum latifolium Phillip C. Wheeler 1965-5-18 s.n. San Mateo Base of the mountain adjacent to Olivet Cemetery Comment
  SDSU6740  Eriogonum latifolium D. F. Howe 1962-7-26 3356 San Mateo 1.1 miles south of San Mateo-Santa Cruz Co. line Comment
  SEINET11938063  Eriogonum latifolium E. A. Purer 1933-1 5370 San Mateo 2 mi S of Pigeon Point Comment
  JEPS111094  Eriogonum luteolum Zoe Ellis Chandik 1992-7-14 92 -2 San Mateo Crystal Springs Reservoir, south edge of serpentine (sludge) talus slope, below Hwy 280 on San Francisco Watershed land, 0.1 mi N of Hwy 92 (Ralston Ave.) east of junction with Skyline Blvd 121 Comment
  RSA120436  Eriogonum luteolum Hester R. Davis 1920-6-1 177 San Mateo Back of Redwood City Comment
  JROH3228  Eriogonum luteolum var. luteolum John H. Thomas 1967-11-5 14133 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC306654  Eriogonum luteolum var. luteolum A. D. E. Elmer June, 1903 4309 San Mateo Belmont Comment
  JEPS127777  Eriogonum nudum var. auriculatum Adam C. Schneider with C. Matt Guilliams 2013-3-9 30 San Mateo Comment
  JROH3240  Eriogonum nudum var. auriculatum J. H. Thomas 1962-11-4 10013 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Westridge end. Comment
  RSA169305  Eriogonum nudum var. auriculatum L. S. Rose 1964-9-9 64074 San Mateo Emerald Lake, west of Redwood City 244 Comment
  RSA675661  Eriophyllum confertiflorum L. S. Rose 1950-5-20 50142 San Mateo Emerald Lake region, hills w. of Redwood City. 244 Comment
  UCSB55462  Eriophyllum confertiflorum Powell, Jerry 1972-3-10 San Mateo Mt. San Bruno Comment
  JROH699  Eriophyllum confertiflorum var. confertiflorum D. E. Breedlove 1971-5-31 19353 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH706  Eriophyllum confertiflorum var. confertiflorum John Hunter Thomas 1977-6-16 18776 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC517987  Eriophyllum confertiflorum var. confertiflorum Lewis S. Rose 1933-5-17 33176 San Mateo Redwood City Comment
  HSC23786  Eriophyllum lanatum Mary Katherine Wicksten 1971-6-17 68 San Mateo Huddart Park; along road to family campground, near Madrone Area Comment
  CAS-BOT-BC301260  Eriophyllum lanatum var. arachnoideum W. R. Dudley 1894-7-7 s.n. San Mateo By Bear Gulch road Comment
  JROH723  Eriophyllum lanatum var. arachnoideum John Hunter Thomas 1989-6-17 24774 San Mateo Jasper Ridge Biological Preserve, Stanford University; near San Francisquito Creek Comment
  RSA169298  Eriophyllum lanatum var. arachnoideum L. S. Rose 1964-6-3 64057 San Mateo N end of Bodega Bay 6 Comment
Read comments
Oct 24 2021
  CAS-BOT-BC301261  Eriophyllum lanatum var. arachnoideum W. R. Dudley 1906-6-12 s.n. San Mateo W. Union Gulch, back of winery Comment
  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
  UC1118210  Eriophyllum staechadifolium T. Tyrrell 1928-9-26 7 San Mateo 2 mi s San Gregorio; Santa Cruz Quad. 182 Comment
  UC483493  Eriophyllum staechadifolium Ira L. Wiggins 1929-7-4 3793 San Mateo sea bluffs at Pescadero Beach Comment
  UCR121572  Eriophyllum staechadifolium George K. Helmkamp, E. A. Helmkamp 1999-6-28 5004 San Mateo Pescadero Creek Watershed, Bean Hollow Road 0.3 mi south of Pescadero Road (SW of Pescadero). Slopes above Butano Creek 61 Comment
  CAS-BOT-BC301981  Eriophyllum staechadifolium Ella Dales Cantelow 1940-9-2 3408 San Mateo N. of Davenport Comment
  RSA100993  Eriophyllum staechadifolium G. Oberlander 1949-7-30 332 San Mateo Sweeney Ridge, San Francisco Watershed Reserve Comment
  RSA116763  Eriophyllum staechadifolium L. R. Abrams 1907-08 s.n. San Mateo Between Pescadero and Half Moon Bay Comment
  JROH2601  Erodium botrys John H. Thomas 1975-4-3 17704 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2602  Erodium botrys John H. Thomas 1975-4-19 17800 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5893  Erodium cicutarium Ruth Porter 2002-3-23 95463 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH2608  Erodium moschatum John Rawlings 2012-5-25 1106 San Mateo Jasper Ridge Biological Preserve, Stanford University. Dennis Martin site near Road B. 79 Comment
  RSA176420  Eryngium aristulatum var. aristulatum John H. Thomas 1964-7-9 10443 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto Comment
  POM204324  Eryngium armatum I. L. Wiggins 1929-7-4 3794 San Mateo Pescadero Beach Comment
  SEINET7062816  Eryngium armatum A. G. Vestal 1937-6-15 s.n. San Mateo Pebble Beach west of Pescadero. UTM Zone 10, 551765mE, 4121313mN. (WGS84/NAD83). 0 Comment
  SEINET5549532  Erysimum capitatum H. S. Gentry 1931-1 7 San Mateo Collected 1.5 miles west of San Mateo, Half-moon Bay road. Comment
  CAS-BOT-BC124226  Erysimum franciscanum George Bowyer Rossbach 1938-5-18 837 San Mateo E side of Crystal Springs Lake 106 Comment
  CAS-BOT-BC54846  Erysimum franciscanum G. B. Rossbach; R. P. Rossbach 1938-4-3 807 San Mateo Upper slope of the San Bruno Hills. Comment
  CAS-BOT-BC54856  Erysimum franciscanum G. B. Rossbach; R. P. Rossbach 1939-4-2 908 a fl. 908b fr. San Mateo Just above and west of south end of San Andreas Lake. 213 Comment
  CAS-BOT-BC54865  Erysimum franciscanum G. B. Rossbach 1940-4-23 925 San Mateo About 1 mile inland, Montara Mountains, south of San Pedro Valley and northwest of Peak Mountain. 121 Comment
  CAS-BOT-BC54867  Erysimum franciscanum Le Roy Abrams 1902-5-11 2443 San Mateo Crystal Lake. Comment
  CAS-BOT-BC54875  Erysimum franciscanum C. F. Baker 1903-4-6 1885 San Mateo San Bruno Hills. Comment
  RSA101843  Erysimum franciscanum G. B. Rossbach 1939-3-28 905 San Mateo Below Crystal Springs Lake 61 Comment
  RSA101844  Erysimum franciscanum G. B. Rossbach 1939-3-26 901 San Mateo Very near Sharp Park (Salada Beach) Comment
  CAS-BOT-BC54882  Erysimum franciscanum Mason 1917-4-1 s.n. San Mateo Crystal Springs Lake. Comment
  SEINET11989205  Erysimum franciscanum E. McClintock, Knight, W.; Knight, I. 1982-1 4638 San Mateo Kamchatka Point, San Bruno Mountain Comment
  CAS-BOT-BC124227  Erysimum franciscanum var. crassifolium George Bowyer Rossbach 1955-3-26 572 San Mateo 2 mi S of San Francisco line & 3 mi. N of Shapr Park (Salada) Comment
  JROH5930  Eschscholzia californica L. Nordby 1982-4-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Close to the Siersville Lab on the west side of the lake Comment
  POM149355  Eschscholzia californica subsp. californica A. D. E. Elmer 1903-06 4680 San Mateo Crystal Springs Lake. Comment
  POM272329  Eschscholzia californica subsp. californica Lyman Benson 1931-3-3 2621 San Mateo Moss Beach. 15 Comment
  CAS-BOT-BC202746  Euonymus occidentalis W. R. Dudley 1910-5-26 s.n. San Mateo Santa Cruz Mountain Peninsula. Los Trancos Creek, above Judge Allen's Comment
  CAS-BOT-BC202758  Euonymus occidentalis Alice Eastwood 1933-5-31 11843 San Mateo Butano Canon [Canyon] Comment
  JROH1797  Euonymus occidentalis var. occidentalis E. I. Applegate 1895-5-11 67 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Dam Comment
  CAS-BOT-BC202532  Euphorbia John H. Thomas 1968-10-6 14848 San Mateo Vicinity of railroad tracks and Dumbarton Bridge causeway entrance. East of Palo Alto Comment
  RSA130685  Euphorbia crenulata C. F. (illegible) 1894-3-28 s.n. San Mateo Lobitas road. Comment
  UCD142398  Euphorbia helioscopia J. H. Thomas 1959-7-8 8014 San Mateo About 1/4 mile west of center of Pescadero on road toward the coast. Comment
  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
  CAS-BOT-BC389751  Euphorbia peplus J. Nieri 1953-1-28 s.n. San Mateo Redwood City Comment
  UC1557877  Eurybia radulina J. Semple, S. Heard 1987-9-21 8914 San Mateo CA-35 27.4 km s of CA-92 Comment
  SJSU16002  Euthamia occidentalis John Rawlings, Toni Corelli 2016-8-22 1942 San Mateo Franklin Point Trail, Ano Nuevo State Park 10 Comment
  JROH5149  Festuca arundinacea John H. Thomas 1978-5-23 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5473  Festuca bromoides John Hunter Thomas 1983-4-20 21536 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low-flow crossing. Comment
  JROH5475  Festuca bromoides John Hunter Thomas 1984-5-3 23334 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5477  Festuca bromoides W. Lennihan 1990-4-4 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Escobar - right of road just before Trail 15. 176 Comment
  UCD65904  Festuca californica subsp. californica Rimo Bacigalupi; L. Heckard, J. Roof 1961-4-24 7613 San Mateo Due north of true summit of San Bruno Mountain, directly below and northeast of KQED radio power station. 342 Comment
  CAS-BOT-BC278349  Festuca californica subsp. californica W. R. Dudley 1899-4-23 s.n. San Mateo Santa Cruz Mountain Peninsula. Permanente Creek, north Branch Comment
  RSA6292  Festuca californica var. californica D. D. Keck 1932-5-11 1499 San Mateo Above Woodside on La Honda Road, east slope of Santa Cruz Mountains Comment
  CAS-BOT-BC282498  Festuca elmeri George Oberlander 1950-5-6 875 San Mateo Sawyer Ridge, San Francisco Watershed Reserve Comment
  CAS-BOT-BC539285  Festuca idahoensis John Rawlings; Ken Hickman 2015-6-8 1577 San Mateo Caltrans right-of-way above Hwy 92 E of Hwy 280, downslope from San Francisco Watershed fenceline 118 Comment
  UCSB18778  Festuca myuros Schulte, John 1963-4-28 San Mateo Jasper Ridge; 3 miles SW of Stanford Campus; between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
Read comments
Oct 17 2011
  JROH5280  Festuca perennis John H. Thomas 1965-4-28 10597 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5284  Festuca perennis John Hunter Thomas 1980-5-1 19911 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  OBI21962  Festuca perennis Lewis S. Rose 1956-7-2 56116 San Mateo Skyline Blvd, Hills W of San Mateo 183 Comment
  CAS-BOT-BC279053  Festuca rubra Elizabeth McClintock 1963-6-9 s.n. San Mateo San Bruno Mountain Comment
  CAS-BOT-BC279054  Festuca rubra David D. Keck 1932-5-6 1478 San Mateo Above Millbrae Highlands 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
  CAS-BOT-BC77695  Ficus carica John H. Thomas 1960-6-25 8795 San Mateo Redwood City, running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street 7 Comment
  RSA159417  Filago gallica John H. Thomas 1961-5-7 9249 San Mateo Colma, near intersection of El Camino Real and F Street 46 Comment
  RSA218035  Filago gallica Walter Knight, I. Knight 1967-5-16 s.n. San Mateo Randolph Ave., south San Francisco Comment
  JEPS44882  Fragaria vesca W. L. Jepson 9545 San Mateo Lake San Andreas 182 Comment
  JROH3665  Fragaria vesca W. R. Dudley 1898-4-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3667  Fragaria vesca John Hunter Thomas 1981-4-21 20461 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC457533  Fragaria vesca subsp. californica Ira L. Wiggins 1925-4-1 1647 San Mateo on Kings Mountain Road 3/4 of a mile above Woodside in the old cut over redwood (Sequoia sempervirens) belt Comment
  CAS-BOT-BC457534  Fragaria vesca subsp. californica Alice Eastwood 1913-2-22 2454 San Mateo San Bruno Hills Comment
  CAS-BOT-BC52687  Frangula californica subsp. californica A. D. E. Elmer 1903-7-1 4772 San Mateo Pilarcitos Stone Dam Comment
  JROH3544  Frangula californica subsp. californica John Hunter Thomas 1977-6-16 18790 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along raised causeway Comment
  CAS-BOT-BC211603  Frankenia salina L. R. Abrams 1906-9-29 s.n. San Mateo Cooley's Landing Comment
  CAS-BOT-BC211604  Frankenia salina Roxana Stinchfield 1915-9-19 251 San Mateo Palo Alto, Santa Cruz Mountain Peninsula Comment
  UC19157  Frankenia salina J. Burtt Davy 1893-6-17 808 San Mateo Belmont Comment
  UC872058  Frankenia salina Lewis S. Rose 1938-8-18 38230 San Mateo Brisbane 1 Comment
  CAS-BOT-BC130133  Fritillaria affinis A. D. E. Elmer 1903-5-1 5045 San Mateo Portola Comment
  CAS-BOT-BC130134  Fritillaria affinis John Hunter Thomas 1954-4-3 3821 San Mateo Along San Gregorio Creek about 1.5 miles west of La Honda 106 Comment
  SEINET12054471  Fritillaria affinis Cummings, McCallum, G. A. 1933-1 s.n. San Mateo near La Honda Comment
  RSA0000351  Fritillaria grayana Inez Smith 1914-3-12 s.n. San Mateo Hillsboro. Comment
  SDSU20659  Fritillaria liliacea Sean Ryan 2011-3-18 76 San Mateo 65 yds S of Point Reyes-Petaluma Rd. approx. 0.66 mi W of its intersection with Nicasio Valley Rd. Nicasio Reservoir. 65 Comment
Read comments
Sep 10 2014
  UC1057446  Fritillaria liliacea G. Thomas Robbins 1937-4-11 88 San Mateo near Spring Valley Lakes (on road to Woodside) Comment
  JROH3103  Fumaria capreolata John Rawlings, Toni Corelli 2012-5-15 1123 San Mateo Jasper Ridge Biological Preserve, Stanford University. Road H at Bear Creek crossing 85 Comment
  UCD78148  Fumaria capreolata Robert E. Preston 2008-4-1 2600 San Mateo Lower Crystal Springs Reservoir, at jct Hwy 92 and Hwy 35 92 Comment
  RSA195511  Galium aparine John H. Thomas 1966-4-22 11566 San Mateo Jasper Ridge Biological Experimental Area. About 5 miles SW of Palo Alto. Comment
  UCD121717  Galium aparine Mary Lou Linvill 1972-5-16 14 San Mateo Coast Range; Mountain Home Road, 0.2 mile east of Mountain Wood Lane, Woodside. Comment
  UCSB9136  Galium aparine Walker, Clifford 1954-4-20 San Mateo 50 yards from ocean; 1 mi S. of Half Moon Bay Comment
  UC615504  Galium californicum subsp. californicum Beryl O. Schreiber 1932-5-29 299 San Mateo w San Mateo (Skyline Boulevard) Comment
  JROH3790  Galium murale John H. Thomas 1967-5-12 12882 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5738  Galium murale John Rawlings 2015-4-5 1658 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near base of scree slope in old quarry off of Trail 12 111 Comment
  JROH3789  Galium murale John H. Thomas 1963-4-13 10032 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville end of lake near the riders shack. Comment
  JEPS6605  Galium porrigens var. porrigens H. A. Walker June 1914 3555 San Mateo San Bruno Hills Comment
  JROH5574  Gamochaeta ustulata John H. Thomas 1962-5-31 9896 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Westridge end of the ridge Comment
  JROH798  Gamochaeta ustulata John Hunter Thomas 1983-5-23 22239 San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack side & low-flow crossing Comment
  POM204331  Gamochaeta ustulata I. L. Wiggins 1929-7-4 3772 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  POM58032  Gamochaeta ustulata E. B. Copeland 1903-6-18 3312 San Mateo Montara Point. Comment
  CAS-BOT-BC194565  Garrya elliptica E. H. Richardson 1906-2-1 s.n. San Mateo Black Mountain Road Comment
  CAS-BOT-BC194568  Garrya elliptica Helen M. Edwards 1917-2-1 s.n. San Mateo Los Trancos Woods Comment
  UC1122630  Garrya elliptica C. R. Clar 1928-9-17 3 San Mateo s of Lake Pilarcitos; San Mateo Quad. 274 Comment
  RSA135780  Gastridium phleoides C. F. Leitholt 1894-7-30 s.n. San Mateo La Honda. Comment
  CAS-BOT-BC278713  Gastridium ventricosum Elizabeth McClintock; Paul Reeberg 1989-5-23 s.n. San Mateo San Bruno Mountain. Wax Myrtle Ravine 121 Comment
  CAS-BOT-BC59635  Gaultheria shallon Walter Knight; Irja Knight 1965-2-28 863 San Mateo Ca. 100 yds above Eucalyptus Grove off Radio Road. Comment
  CAS-BOT-BC59637  Gaultheria shallon Atkinson 1902-11-1 s.n. San Mateo Kings Mts. Comment
  UCSB11484  Genista monspessulana Olson, Jim 1962-4-15 San Mateo 1 mile south of La Honda on Skyline Boulevard 670 Comment
  JROH2631  Geranium robertianum Carol Zabel 2006-4-24 57 a San Mateo Jasper Ridge Biological Preserve, Stanford University. Upper stream bank, Bear Creek crossing, east side. Comment
  UCD103506  Geranium robertianum Carolyn Lundquist 1994-5-30 24 San Mateo Henrik Ibsen Park, 13800 Skyline Blvd. Woodside, CA. 609 Comment
  JROH3152  Gilia achilleifolia subsp. multicaulis John H. Thomas 1967-4-28 12722 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU15952  Gilia clivorum John Rawlings, Ken Hickman 2016-5-26 1829 San Mateo Serpentine seep area up-slope from the Hwy 92 west onramp to Hwy 280 north; 25 yards down-slope from the San Francisco Watershed boundary fence 122 Comment
  JROH2023  Glycyrrhiza lepidota John H. Thomas 1962-7-15 9923 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below dam Comment
  JROH2027  Glycyrrhiza lepidota Toni Corelli 2006-8-9 317 San Mateo Jasper Ridge Biological Preserve, Stanford University; top of slope at beginning of Trail 12, above smaller quarried area 106 Comment
  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
  RSA176726  Glycyrrhiza lepidota John H. Thomas 1962-7-15 9923 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Along San Francisquito Creek below dam. Comment
  JROH2025  Glycyrrhiza lepidota John H. Thomas 1971-8-7 16016 San Mateo Jasper Ridge Biological Preserve, Stanford University; near west side of Searsville Lake Comment
  RSA249493  Gnaphalium luteoalbum John F. Emmel 1971-9-25 390 San Mateo Along Radio Road, at 1000 ft. contour, NW end of San Bruno Mts., 0.3 air mile NW of 1314 ft summit. 305 Comment
  CAS-BOT-BC344857  Gnaphalium palustre Peter Rubtzoff 1975-10-11 8423 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. Comment
  CAS-BOT-BC302083  Grindelia Paul Reeberg 1989-5-19 s.n. San Mateo San Bruno Mountains. On ridge between Firth Canron [Canyon] & Brisbane Ravine, uphill water tank 152 Comment
  CAS-BOT-BC304532  Grindelia hirsutula W. R. Dudley 1897-10-10 s.n. San Mateo At Pilar Point Comment
  CAS-BOT-BC304565  Grindelia hirsutula R. E. Frenkel 1963-12-7 320 San Mateo San Francisco Water District, Whiting Ridge Road, ca. 0.4 mile north of the junction with Spring Valley Ridge Road Comment
  POM190261  Grindelia hirsutula D. D. Keck 1932-5-25 1783 San Mateo Hills two miles W of Belmont Comment
  POM203263  Grindelia hirsutula J. T. Howell 1933-5-26 11348 San Mateo Crystal Springs Lake. Comment
  SD39801  Grindelia hirsutula Edith A. Purer 1933-7-27 5369 San Mateo Sand dunes, two miles south of Pigeon Point. Comment
  SJSU15767  Grindelia hirsutula Toni Corelli 2011-9-14 722 San Mateo Rockaway Headlands, southwest of Rockaway Beach, Pacifica 53 Comment
  UC32136  Grindelia hirsutula J. Burtt Davy Jun 21 1893-Jun 23 1893 San Mateo Pilarcitos Lake and Pilarcitos Canyon; Pilarcitos Lake, Pilarcitos Canyon Comment
  JROH815  Grindelia hirsutula John H. Thomas 1970-4-4 15541 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU15765  Grindelia stricta var. angustifolia Toni Corelli 2011-8-31 721 a San Mateo Pescadero State Beach and Marsh Natural Preserve. Along Butano Trail on levy along Butano Creek. 3 Comment
  RSA0110998  Grindelia stricta var. angustifolia L. S. Rose 1938-8-18 38229 San Mateo Brisbane 2 Comment
  RSA0116908  Grindelia stricta var. angustifolia Lyman Benson 1945-7-29 11839 San Mateo Bayshore Highway at San Carlos. 3 Comment
  RSA18345  Grindelia stricta var. platyphylla C. B. Wolf 1927-1-29 473 San Mateo Pescadero Comment
  UCSC006056  Grindelia stricta var. platyphylla Randall Morgan 1999-7-12 3587 San Mateo 1+ mile north of Bean Hollow State Beach Comment
  UC137310  Guillenia lasiophylla C. F. Baker 1902-4-6 459 San Mateo Crystal Springs Lake Comment
  UC1146645  Hainardia cylindrica Freed W. Hoffman 1941-6-1 2238 San Mateo South Coast Ranges, along Bayshore Highway Bayshore Highway; South Coast Ranges, Bayshore Highway Comment
  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
  JROH847  Helenium puberulum John Hunter Thomas 1992-6-8 25369 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC309528  Helenium puberulum Philip Wheeler 1965-6-16 s.n. San Mateo San Bruno Mountain. In Colma Canyon Comment
  JROH852  Helianthella californica var. californica John H. Thomas 1967-5-12 12880 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC305334  Helianthella castanea Miss E. Cannon 1892-6-1 s.n. San Mateo Hills near the Bay, South S.F. Comment
  CAS-BOT-BC305364  Helianthus annuus Ned Cahill 1974-10-8 373 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  UCSC006543  Heliotropium curassavicum Randall Morgan 1988-6-4 1227 San Mateo N of lighthouse at Pigeon Point Comment
  CAS-BOT-BC305923  Helminthotheca echioides Ira L. Wiggins 1977-7-23 22188 San Mateo Bed of San Francispuito [Francisquito] Creek, ca 150 m upstream from Pope Street bridge, Menlo Park side of center line Comment
  CAS-BOT-BC305924  Helminthotheca echioides Ira L. Wiggins 1977-7-23 22188 San Mateo Bed of San Francisquito Creek, ca 150 m upstream from Pope Street bridge, San Mateo County side of center line, Menlo Park Comment
  CAS-BOT-BC453465  Hemitomes congestum Louise Koenig 1928-6-1 s.n. San Mateo Skyline Boulevard in a canyon at the head of La Honda Creek Comment
  CAS-BOT-BC313458  Hemizonia congesta subsp. luzulifolia Roxana Stinchfield 1915-10-14 260 San Mateo Cedro Villa, Stanford University, Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC314918  Hemizonia congesta subsp. luzulifolia John H. Thomas 1958-11-22 7507 San Mateo Jasper Ridge, about 5 miles southwest of Palo Alto 182 Comment
  CAS-BOT-BC314927  Hemizonia congesta subsp. luzulifolia Ned Cahill 1974-4-29 188 San Mateo Near the intersection of Canada and Edgewood Roads about 3 mi. westward from Redwood City Comment
  JROH875  Hemizonia congesta subsp. luzulifolia John Hunter Thomas 1991-8-4 25078 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU15951  Hemizonia congesta subsp. luzulifolia John Rawlings, Ken Hickman 2016-5-26 1828 B San Mateo Serpentine seep area up-slope from the Hwy 92 west onramp to Hwy 280 north, down-slope from the San Francisco Watershed boundary fence 122 Comment
  UC32738  Hemizonia congesta subsp. luzulifolia J. Burtt Davy 1893-6-17 784 San Mateo Belmont Comment
  CAS-BOT-BC313455  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1908-8-1 s.n. San Mateo Summit Crystal Springs-Belmont Road Comment
  CAS-BOT-BC314915  Hemizonia congesta subsp. luzulifolia Duncan M. Porter 1960-10-12 726 San Mateo Meadow at the crest of ridge above Webb Ranch (area H), Jasper Ridge Biological Preserve Comment
  CAS-BOT-BC314921  Hemizonia congesta subsp. luzulifolia David D. Keck 1931-10-5 1277 San Mateo Between Woodside and Crystal Springs Lake Comment
  CAS-BOT-BC314926  Hemizonia congesta subsp. luzulifolia W. R. Dudley 1894-4-21 s.n. San Mateo Crystal Springs Comment
  CAS-BOT-BC314943  Hemizonia congesta subsp. luzulifolia H. M. Hall 1916-7-13 10225 San Mateo Near Crystal Springs Lake Comment
  CAS-BOT-BC314944  Hemizonia congesta subsp. luzulifolia H. M. Hall 1916-7-14 10227 San Mateo North of Belmont Comment
  HSC24007  Hemizonia congesta subsp. luzulifolia Mary Katherine Wicksten 1971-7-20 180 San Mateo Huddart Park, below Redwood Shelter Comment
  UC1584834  Hemizonia congesta subsp. luzulifolia Jerry Powell 1990-5-11 1580 San Mateo at junction of Hwy 280 and Hwy 92 Comment
  SEINET11848417  Hemizonia corymbosa E. A. Purer 1933-1 5339 San Mateo Pigeon Point Comment
  POM299466  Hemizonia corymbosa subsp. corymbosa L. S. Rose 1941-8-9 41361 San Mateo Moss Beach. 16 Comment
  POM53161  Hemizonia corymbosa subsp. corymbosa C. F. Baker 1902-5-1 686 San Mateo Crystal Springs Lake. Comment
  POM360315  Hemizonia luzulifolia L. S. Rose 1937-9-21 37662 San Mateo Emerald Lake, west of Redwood City. 183 Comment
  SEINET10616464 Image available Hemizonia luzulifolia LeRoy R. Abrams 1902-5-11 Abrams 2446 San Mateo Comment
  SEINET11848430  Hemizonia luzulifolia E. A. Purer 1933-1 5398 San Mateo Bayshore Highway Comment
  SEINET7883478 Image available Hemizonia luzulifolia Lewis S. Rose 1941-1 41470 San Mateo Belmont 6 Comment
  UC204735  Heracleum lanatum A. D. E. Elmer July, 1903 5073 San Mateo Pilarcitos Stone Dam Comment
  POM132681  Heracleum maximum A. D. E. Elmer 1903-07 5073 San Mateo Pilarcitos Stone Dam. Comment
  RSA176770  Heracleum maximum John H. Thomas 1961-5-5 9210 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Along San Francisquito Creek below Searsville Dam. 76 Comment
  CAS-BOT-BC310243  Hesperevax sparsiflora var. sparsiflora Margaret A. Barry 1937-5-15 126 San Mateo Coal Mine Ridge Comment
  JROH889  Hesperevax sparsiflora var. sparsiflora John Hunter Thomas 1981-4-23 20483 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC310244  Hesperevax sparsiflora var. sparsiflora Elizabeth McClintock 1978-4-24 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  CAS-BOT-BC403865  Hesperocnide tenella Walter Knight; Irja Knight 1964-5-30 615 San Mateo San Bruno Mountain. Colma Canyon Comment
  CAS-BOT-BC403868  Hesperocnide tenella H. A. Dutton 1900-5-6 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  CAS-BOT-BC176205  Hesperolinon congestum L. S. Rose 1931-5-15 s.n. San Mateo Emerald Lake west of Redwood City Comment
  RSA159409  Hesperolinon congestum John H. Thomas 1961-5-14 9379 San Mateo Just north of dam on San Mateo Creek. 122 Comment
  RSA151712  Hesperolinon micranthum H. K. Sharsmith 1947-6-3 3975 San Mateo Above Redwood City, outer South Coast Ranges. 152 Comment
  CAS-BOT-BC148470  Heteromeles arbutifolia Walter Knight; Irja Knight 1963-6-24 s.n. San Mateo Quarry 4 - San Bruno Mountain Comment
  RSA449828  Heteromeles arbutifolia E. S. Spalding 1923-8-3 s.n. San Mateo Near Pulgas Tunnel Comment
  RSA451285  Heteromeles arbutifolia L. S. Rose 1942-8-11 42227 San Mateo Skyline Blvd, W of San Bruno. 91 Comment
  JROH904  Heterotheca grandiflora John Hunter Thomas 1982-9-23 21163 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS49087  Heterotheca sessiliflora subsp. bolanderi Lewis S. Rose 1966-8-20 66087 San Mateo summit San Bruno Mt. 365 Comment
  CAS-BOT-BC310766  Heterotheca sessiliflora subsp. echioides Phillip C. Wheeler 1965-6-21 s.n. San Mateo San Bruno Mountain. Sierra Point Comment
  CAS-BOT-BC310767  Heterotheca sessiliflora subsp. echioides Lewis S. Rose 1966-8-20 66087 San Mateo San Bruno Mountain, Summit 365 Comment
  UC858020  Heuchera micrantha var. erubescens Lewis S. Rose 1939-6-16 39280 San Mateo Kings Mountain 670 Comment
  RSA0063144  Heuchera micrantha var. hartwegii A. D. E. Elmer 1903-07 4762 San Mateo Pilarcitos Stone Dam. Comment
  CAS-BOT-BC319632  Hieracium albiflorum H. L. Mason 1921-7-14 s.n. San Mateo Pescadero Creek Comment
  RSA18499  Hieracium albiflorum C. B. Wolf 1927-7-14 621 San Mateo 1 mile south of summit of Kings Mt on Skyline Drive. Comment
  CAS-BOT-BC55444  Hirschfeldia incana George Oberlander 1949-7-24 290 San Mateo San Francisco Watershed. Grassland about San Andreas Lake. Comment
  UCR121583  Holcus lanatus George K. Helmkamp, E. A. Helmkamp 1999-6-28 4984 San Mateo Pescadero Creek Watershed, Pescadero Road just north of Loma Mar 107 Comment
  UCSC007757  Holcus lanatus Becky Hendricks, Chris Lay 2012-6-22 s.n. San Mateo Ano Nuevo State Park Comment
  RSA785878  Hordeum brachyantherum Peter Rubtzoff 1976-5-22 8545 San Mateo 'Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC284682  Hordeum brachyantherum subsp. brachyantherum John H. Thomas 1963-5-20 10111 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  UC163001  Hordeum brachyantherum subsp. brachyantherum Dr. E. B. Copeland 1903-6-10 3304 San Mateo Montara Point Comment
  SJSU15907  Hordeum brachyantherum subsp. californicum John Rawlings, Sara Timby, Toni Corelli 2016-4-23 1732 San Mateo Bean Hollow bluff trail, west of Hwy 1 south of Pescadero 8 Comment
  CAS-BOT-BC289457  Hordeum murinum subsp. leporinum John H. Thomas 1963-5-20 10152 San Mateo Ano Nuevo Island about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  JROH5261  Hordeum murinum subsp. leporinum John Rawlings 2013-3-24 1125 San Mateo Jasper Ridge Biological Preserve, Stanford University; grassy verge of Rd C at Rd D intersection 158 Comment
  JROH5262  Hordeum murinum subsp. leporinum John Rawlings 2013-4-10 1129 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
  RSA254233  Hordeum murinum subsp. leporinum Robert A. Norris 1975-3-31 2293 San Mateo Near Crocker Avenue, San Bruno Mountains. Comment
  CAS-BOT-BC271360  Hordeum vulgare Arthur Chan 1981-5-8 070 San Mateo South San Francisco, 1050 Old Mission Road in a vacant lot to the rear of the parking lot Comment
  CAS-BOT-BC271361  Hordeum vulgare W. R. Dudley 1896-4-4 s.n. San Mateo Near Crystal Springs, Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC271400  Hordeum vulgare John H. Thomas 1974-4-11 17123 San Mateo Area to the SE of Canada Road and Edgewood Road, NW of Woodside 152 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
  UCR19821  Horkelia cuneata C. S. Life 1923-1 s.n. San Mateo San Francisco 135 Comment
  UC162493  Horkelia cuneata subsp. sericea A. A. Heller 1906-6-8 8374 San Mateo near Ocean View; San Francisco Comment
  SEINET6755152  Horkelia cuneata subsp. sericea A. A. Heller 1906-6-8 8374 San Mateo Near Ocean View, San Francisco. ( on the Lake Merced side of the Ocean Shore tracks) Comment
  CAS-BOT-BC143922  Horkelia cuneata var. sericea W. R. Dudley 1901-5-11 s.n. San Mateo Near Colma Comment
  LA47914  Hosackia gracilis C. F. Baker; 1902-5-1 689 San Mateo Crystal Springs Lake Comment
  SJSU16037  Hosackia gracilis Toni Corelli, John Rawlings 2016-4-29 1766 San Mateo Cascade Field along Atkinson Bluff Trail, north of Cascade Cr. Trail, in Ano Nuevo State Park 11 Comment
  UCD77838  Hosackia stipularis Robert E. Preston 2001-6-1 1538 San Mateo Ca. 7 mi nw of Boulder Creek. 658 Comment
  RSA0064471  Hydrocotyle moschata A. C. Sanders 2014-8-3 41241 San Mateo South San Francisco, Utah Ave. near Harbor Way, north of S.F. Intl. Airport. 4 Comment
  UCD128238  Hydrocotyle sibthorpioides O. M. Scott and Sons 1950-4-10 s.n. San Mateo San Mateo. Comment
  CAS-BOT-BC400964  Hypericum anagalloides Carl B. Wolf 1929-5-25 3729 San Mateo Pebble Beach so. of Pescadero 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
  RSA18359  Hypericum androsaemum C. B. Wolf 1929-5-25 3729 San Mateo Pebble Beach, S of Pescadero. Comment
  CDA19135  Hypericum canariense R. Pummer 2001-7-16 PDR 064513 San Mateo San Francisco Peninsula; W of Hwy 1, near Gazos Creek between Pigeon Pt. and Ano Nuevo. 0 Comment
  JEPS100822  Hypericum canariense Dean W. Taylor 2000-6-12 17462 San Mateo Highway 1 about 1.3 miles North of Piegon Point, just north of Yankee Jim Gulch 10 Comment
  RSA739721  Hypericum canariense John Dittes, Josephine Guardino 2007-6-30 1457 San Mateo Undesignated section of Punta Del Ano Nuevo Lant Grant, Central Coast, Ano Nuevo State Reserve, coastal terrace 2.4 air mile SE of Pidgeon Point Lighthouse, E side of Hwy 1 on slope S and E of Gazos Creek. 21 Comment
  JROH941  Hypochaeris radicata John Hunter Thomas 1989-5-9 24716 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH929  Hypochaeris radicata John H. Thomas 1974-5-19 17383 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD35771  Hypochaeris radicata Beecher Crampton 1962-6-11 6492 San Mateo Pacifica, north city limits, along State Hwy. 1 just southwest of its junction with Skyline Blvd. Comment
  UC4282  Iris douglasiana J. Burtt Davy 1895-4-20 1021 San Mateo Millbrae Comment
  POM263704  Iris douglasiana R. C. Foster 1937-4-30 213 San Mateo Between San Bruno and the Skyline Boulevard Comment
  CAS-BOT-BC133653  Iris longipetala Roxana Stinchfield 1910-5-3 267 San Mateo Half Moon Bay - near town Comment
  CAS-BOT-BC133654  Iris longipetala W. R. Dudley 1894-3-1 s.n. San Mateo Near South San Francisco Comment
  CAS-BOT-BC57726  Isoetes howellii W. R. Dudley 1909-10-31 s.n. San Mateo Woodside Valley pond Comment
  JEPS91027  Isolepis cernua Dean W. Taylor 1991-5-20 11793 San Mateo Santa Cruz Mountains, Pescadero Creek 0.3 mi s ofrom the creek mouth, w of Highway 1 Pescadero Creek; Santa Cruz Mountains, Pescadero Creek 9 Comment
  SEINET7589110 Image available Isolepis cernua E. B. Copeland 1903-6-15 3315 San Mateo Montara Point. Comment
  UCD37961  Isolepis cernua Beecher Crampton 1962-6-11 6499 San Mateo San Mateo County, northern city limits of Pacifica, along State Highway 1, just southwest of its junction with Skyline Boulevard. Comment
  UC1192238  Jaumea carnosa Malcolm A. Nobs and S. Galen Smith 1949-8-26 1598 San Mateo marshes at mouth Pescadero Creek Comment
  JROH2774  Juglans hindsii John H. Thomas 1980-11-18 20174 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC109970  Juncus Kellogg; Brannan 1870-6-1 s.n. San Mateo San Gregorio Creek. Comment
  CAS-BOT-BC109971  Juncus James McMurphy 1909-10-17 s.n. San Mateo San Gregorio. Lagoon. Comment
  SJSU15913  Juncus bufonius John Rawlings, Sara Timby, Toni Corelli 2016-4-23 1739 San Mateo South end of Bean Hollow bluff trail west of Hwy 1 south of Pescadero 8 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
  SJSU15798  Juncus bufonius var. bufonius Toni Corelli 2010-6-4 678 San Mateo Cowell Ranch Beach. 33 Comment
  JEPS10200  Juncus bufonius var. congestus Rimo Bacigalupi with G. T. Robbins 1954-6-18 4559 San Mateo Point Ano Nuevo Comment
  CDA14198  Juncus bufonius var. congestus J. Ferguson 1998-4-17 PDR 1117376 San Mateo San Francisco Bay Area; Public lawn area in Redwood City. 0 Comment
  JROH4459  Juncus bufonius var. occidentalis John H. Thomas 1961-4-29 9179 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4464  Juncus bufonius var. occidentalis John H. Thomas 1971-4-10 15762 B San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1101015  Juncus effusus subsp. pacificus Malcolm A. Nobs and S. Galen Smith 1949-8-26 1589 San Mateo about 1 mi s Half Moon Bay Comment
  UCD164600  Juncus hesperius Peter Rubtzoff; Roman Gankin 1975-9-11 8372 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  JROH4478  Juncus occidentalis John H. Thomas 1963-5-12 10078 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4481  Juncus occidentalis John Hunter Thomas 1978-4-20 19078 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4482  Juncus occidentalis John Hunter Thomas 1978-5-16 19214 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4488  Juncus occidentalis John Hunter Thomas 1982-5-18 20934 San Mateo Jasper Ridge Biological Preserve, Stanford University. Old racing oval. Comment
  SJSU15929  Juncus occidentalis John Rawlings, Toni Corelli 2016-4-29 1762 San Mateo Cascade Field, north and south of Cascade Cr. Trail, Ano Nuevo State Park 21 Comment
  JEPS128399  Juncus patens Adam C. Schneider 2013-5-17 129 San Mateo Crystal Springs Reservoir. Comment
  CAS-BOT-BC176165  Juncus patens Peter Rubtzoff; Roman Gankin 1975-9-11 8375 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  UC1101087  Juncus phaeocephalus Verne Grant and Herbert L. Mason 1946-8-28 13086 San Mateo entrance to San Francisco County prison Comment
  UCR244655  Juncus phaeocephalus var. paniculatus Peter Rubtzoff 1980-8-4 9563 San Mateo Central Coast, San Bruno Mountains. 'Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction; westernmost part of the area on slope across fence 220 Comment
  UCR121571  Juncus phaeocephalus var. phaeocephalus George K. Helmkamp, E. A. Helmkamp 1999-6-28 5001 San Mateo Pescadero Creek Watershed, Bean Hollow Road 0.3 mi south of Pescadero Road (SW of Pescadero). Slopes above Butano Creek 61 Comment
  JROH4037  Keckiella antirrhinoides var. antirrhinoides D. E. Breedlove 1971-5-31 19363 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake 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
  CAS-BOT-BC340638  Lactuca serriola Ned Cahill 1974-8-26 366 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC353465  Lactuca virosa Peter Rubtzoff; Roman Gankin 1975-9-11 8374 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. Comment
  JROH969  Lagophylla ramosissima Carol Zabel, Ann Lambrecht, John Rawlings 2004-8-25 0053 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC570744  Lamium amplexicaule Herbert L. Mason 1927-4-24 3703 San Mateo mouth of San Gregorio Creek Comment
  JROH5926  Lasthenia L. Nordby 1982-4-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; on the high point of Jasper Ridge Comment
  CAS-BOT-BC339050  Lasthenia californica Lewis S. Rose 1961-4-5 61033 San Mateo San Bruno Mountains 365 Comment
  CAS-BOT-BC339093  Lasthenia californica Donald A. Johansen 1932-5-21 686 San Mateo Pigeon Point, west of Pescadero Comment
  CAS-BOT-BC346776  Lasthenia californica John H. Thomas 1955-5-6 5002 San Mateo San Mateo; Jasper Ridge about 3.5 miles southwest of Stanford University. Comment
  SD30710  Lasthenia californica Edith A. Purer 1933-4-25 3659 San Mateo Jasper Ridge Comment
  CAS-BOT-BC339051  Lasthenia californica Alex Briggs 1922-5-27 s.n. San Mateo Mirimar [Miramar] Comment
  CAS-BOT-BC339076  Lasthenia californica L. R. Abrams 1918-4-30 7056 San Mateo Bayshore Road, San Bruno Hills Comment
  CAS-BOT-BC339077  Lasthenia californica George Oberlander 1949-4-17 78 San Mateo San Francisco Watershed Reserve. Sawyer Ridge Comment
  CAS-BOT-BC339083  Lasthenia californica W. R. Dudley 1893-5-17 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Millbrae Comment
  CAS-BOT-BC339084  Lasthenia californica W. R. Dudley No date on label s.n. San Mateo Ocean View near San Francisco Comment
  CAS-BOT-BC339094  Lasthenia californica W. R. Dudley 1899-5-14 s.n. San Mateo About hills southwest of Baden Comment
  RSA155566  Lasthenia californica L. S. Rose 1961-4-5 61033 San Mateo San Bruno Mountains. 366 Comment
  UC90022  Lasthenia californica subsp. californica Alice Eastwood 1901-5-19 San Mateo Blenheim Comment
  SEINET11811269  Lasthenia chrysostoma Unknown 1933-1 49 San Mateo Jasper Ridges Comment
  UC1598598  Lasthenia glabrata subsp. glabrata A. D. E. Elmer 1903-5-1 4426 San Mateo Millbrae Comment
Read comments
Sep 9 2011
  RSA14967  Lasthenia glabrata subsp. glabrata L. S. Rose 1935-5-4 35148 San Mateo Burlingame. Comment
  CAS-BOT-BC355543  Lasthenia glabrata var. glabrata David D. Keck 1932-4-29 1452 San Mateo Redwood City Comment
  CAS-BOT-BC355544  Lasthenia glabrata var. glabrata Edward Lee Greene 1883-5-1 s.n. San Mateo Belmont Comment
  JROH974  Lasthenia gracilis John H. Thomas 1966-4-22 11569 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS13751  Lasthenia gracilis Frank W. Gould 1939-5-6 662 San Mateo Comment
  JEPS28873  Lasthenia gracilis V. F. Hesse 1962-7-19 3166 San Mateo 6 Comment
  SJSU2270  Lasthenia minor C. W. Sharsmith 1947-3-13 6747 San Mateo Pescadero Beach near Pescadero Point Comment
  UC188985  Lasthenia minor Michener and Bioletti 1892-5-1 San Mateo Cemeteries Comment
  UCSC007017  Lasthenia minor Randall Morgan 1988-6-5 1235 San Mateo Pescadero, Pigeon Point - Parking area N of Lighthouse Comment
  UCSB18272  Lathyrus sulphureus Muirhead, M. 1964-4-17 San Mateo Dry slope on Crocker Estate, Hillsborough 76 Comment
  UC625422  Lathyrus tingitanus L. R. Abrams and I. L. Wiggins 1939-6-3 421 San Mateo 3-4 mi e San Gregorio (on La Honda road) Comment
  UCD35772  Lathyrus vestitus Beecher Crampton 1962-6-11 6494 San Mateo Pacifica, north city limits, along State Hwy. 1 just southwest of its junction with Skyline Blvd. Comment
  SEINET956312  Lathyrus vestitus Ira L. Wiggins 1925-1 1661 San Mateo On King Mountain Road three fourths of a mile above Woodside in the old cut over redwood. Comment
  UC202762  Lathyrus vestitus var. vestitus A. D. E. Elmer May 1903 4745 San Mateo San Mateo Comment
  RSA0110304  Lavatera arborea John H. Thomas 1959-4-4 7660 San Mateo At Pescadero. 61 Comment
  CAS-BOT-BC323158  Layia chrysanthemoides David D. Keck 1932-4-29 1450 San Mateo Redwood City. Comment
  CAS-BOT-BC323155  Layia chrysanthemoides David D. Keck 1932-5-6 1488 San Mateo 4 miles W of Burlingame on Skyline Boulevard. Comment
  CAS-BOT-BC323178  Layia chrysanthemoides Elizabeth McClintock; Paul Reeberg 1987-5-31 s.n. San Mateo San Bruno Mountains. Comment
  UC935680  Layia chrysanthemoides David D. Keck 1932-5-6 1488 San Mateo 4 mi w of Burlingame on Skyline Boulevard Comment
  CAS-BOT-BC321066  Layia gaillardioides A. D. E. Elmer 1903-6-1 4261 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC321067  Layia gaillardioides A. D. E. Elmer 1903-6-1 4261 San Mateo Alpine School House Comment
  UC34543  Layia gaillardioides unknown 1888-4-12 San Mateo San Pedro Ranch Comment
  UC828922  Layia gaillardioides Lewis S. Rose 1935-5-4 35149 San Mateo Burlingame Comment
  CAS-BOT-BC327469  Layia hieracioides John H. Thomas 1953-5-2 3085 San Mateo Sunset Beach State Park, near USG&GS Markers: Park 1931 and Park 2-1931. 15 Comment
  CAS-BOT-BC327482  Layia hieracioides M. S. Jussel 1931-4-18 s.n. San Mateo Colma Canyon Comment
  CAS-BOT-BC327485  Layia hieracioides Lewis S. Rose 1933-6-9 33218 San Mateo 3 mi W of San Bruno Comment
  POM298251  Layia hieracioides D. D. Keck 1932-6-1 1796 San Mateo Above Searsville Lake, on la Honda Road, east slope of Santa Cruz Mts. Comment
  RSA195579  Layia hieracioides John H. Thomas 1966-4-22 11568 San Mateo Jasper Ridge Biological Experimental Area. About 5 miles SW of Palo Alto. Comment
  CAS-BOT-BC327526  Layia hieracioides C. G. Pringle 1882-7-11 s.n. San Mateo Aptos Comment
Read comments
Oct 28 2021
  CAS-BOT-BC327527  Layia hieracioides James I. McMurphy 1909-5-25 s.n. San Mateo Grade W of Crystal Springs Lakes Comment
  JROH982  Layia hieracioides John H. Thomas 1958-5-10 7158 San Mateo Jasper Ridge Biological Preserve, Stanford University; along trail near Searsville Lake Comment
  RSA92182  Layia hieracioides D. D. Keck 1932-5-11 1760 San Mateo Above Searsville Lake, on La Honda Road, E slope of Santa Cruz Mountains. Comment
  JROH1000  Layia platyglossa John Hunter Thomas 1981-4-23 20476 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH992  Layia platyglossa John H. Thomas 1956-4-7 5622 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA128806  Layia platyglossa subsp. platyglossa Peter H. Raven 1950-4-16 1780 San Mateo Colma Canyon, San Bruno Mountains. 183 Comment
  CAS-BOT-BC221540  Lepechinia calycina Fred Hemphill 1973-4-15 717 San Mateo San Carlos. North of Malabar Rd. and Melendy Dr. 207 Comment
  RSA409617  Lepechinia calycina E. S. Spalding 1923-8-8 s.n. San Mateo 8 mi. W of Redwood City, near Pielgas Tunnel. Comment
  CAS-BOT-BC89134  Lepidium didymum Class Collection 1940-1-1 s.n. San Mateo Pescadero. Comment
  POM143624  Lepidium didymum Copeland 1903-6-5 3326 San Mateo Montara Point. Comment
  CAS-BOT-BC89216  Lepidium draba Sister Anna 1950-4-1 s.n. San Mateo Belmont Academy. Comment
  CAS-BOT-BC89706  Lepidium latifolium John Thomas Howell 1978-7-18 53189 San Mateo At Airport Sheraton, Airport Boulevard, Burlingame. Comment
  JEPS121445  Lepidium nitidum Adam C. Schneider with C. Matt Guilliams 2013-2-2 13 San Mateo Crystal Springs Reservoir Comment
  JROH1543  Lepidium nitidum John H. Thomas 1968-3-17 14190 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
  SJSU8368  Lepidium oxycarpum A. H. Lilleberg 1961-4-9 San Mateo SE of Redwood City Marina, Redwood City Comment
  JROH1556  Lepidium pinnatifidum Herbert Dengler 1972-9-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; edge of S.F. Cr. by old bridge site -- where entrance opposite Whiskey Hill leads some 1000' to S.F. Cr. crossing Comment
  JROH1560  Lepidium strictum John Hunter Thomas 1978-4-25 19154 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM216309  Lepidium strictum D. D. Keck 1933-5-11 2301 San Mateo Montara Summit, Montara Mountain. Comment
  RSA40290  Leptosiphon ambiguus L. S. Rose 1948-5-16 s.n. San Mateo Emerald Lake, west of Redwood City. 152 Comment
  JROH3176  Leptosiphon androsaceus John Hunter Thomas 1986-5-17 24055 San Mateo Jasper Ridge Biological Preserve, Stanford University; creek trail downstream from Rattlesnake Rock Comment
  POM65146  Leptosiphon androsaceus L. R. Abrams 1901-05 1553 San Mateo Searsville Comment
  RSA18092  Leptosiphon androsaceus C. B. Wolf 1929-4-24 3656 San Mateo south west end of Jasper Ridge, near Searsville Lake Comment
  JROH3179  Leptosiphon bicolor H. A. Borthwick 1920-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3186  Leptosiphon parviflorus H. A. Borthwick 1920-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3190  Leptosiphon parviflorus John H. Thomas 1966-4-6 11551 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5625  Leptosiphon parviflorus John Rawlings 2014-5-9 1235 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 2 extension about 130 m west of its Escobar terminus. 146 Comment
  JROH5708  Leptosiphon parviflorus John Rawlings 2015-3-15 1351 San Mateo Jasper Ridge Biological Preserve, Stanford University; Rd. D. 110 Comment
  JROH3194  Leptosiphon parviflorus John Hunter Thomas 1990-4-19 24810 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville end of large open grassland Comment
  SD67317  Leptosiphon pygmaeus subsp. continentalis F. Howe 1967-4-14 San Mateo 7 miles from San Mateo on road to Half Moon Bay 399 Comment
  RSA0103661  Leptosiphon rosaceus P. H. Raven 1950-4-30 1954 San Mateo Montara. 9 Comment
  RSA285921  Leptospermum laevigatum T. C. Fuller 1969-5-15 18476 San Mateo Hillslope opposite the welfare farm, Hwy 92 to San Mateo, E limits of half Moon Bay. Comment
  CAS-BOT-BC324063  Lessingia arachnoidea John Thomas Howell 1926-10-9 2220 A San Mateo Near Crystal Springs Lake 91 Comment
  CAS-BOT-BC325500  Lessingia arachnoidea W. Spence 1960-7-2 552 San Mateo 1 mile north of Dam, Route 5, Crystal Springs Lake Comment
  SBBG39542  Lessingia arachnoidea L. S. Rose 1970-7-26 70077 San Mateo Skyline Blvd., Hillsborough, Black Mtn 121 Comment
  SJSU15850  Lessingia arachnoidea John Rawlings, Ken Hickman 2015-6-8 1578 San Mateo Serpentine seep area up-slope from the Hwy 92 west onramp to Hwy 280 north; down-slope from San Francisco Watershed fence line 122 Comment
  JROH1014  Lessingia glandulifera var. glandulifera John H. Thomas 1975-5-26 17902 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
  CHSC98696  Lessingia hololeuca Samantha Mackey Hillaire 2007-7-17 1244 San Mateo Northwest corner of Edgewood Park, approximately 1.5 mile southeast of the southern end of Upper Crystal Springs reservoir. Southeast corner of the intersection of Edgewood Road and Canada Road. Between park fence and Edgewood Road, on sides of well-used park path through rocks. UTM 10 562177E, 414659N. 146 Comment
  JROH1030  Lessingia hololeuca Duncan M. Porter 1960-10-12 724 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
  SEINET7063127  Lessingia hololeuca A. G. Vestal 1963-7-12 s.n. San Mateo Jasper Ridge. UTM Zone 10, 568418mE, 4140415mN. (WGS84/NAD83). 174 Comment
  CAS-BOT-BC342091  Leucanthemum vulgare Elizabeth McClintock; Paul Reeberg 1987-6-12 s.n. San Mateo San Bruno Mountains. Along road to Camp Silverspot Comment
  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-BC436532  Ligusticum apiifolium A. D. E. Elmer 1903-6-1 4803 San Mateo San Mateo Comment
  JROH2982  Ligustrum lucidum John Hunter Thomas 1978-5-23 19223 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC451666  Lilaea scilloides L. R. Abrams 1909-4-27 s.n. San Mateo Near Crystal Lake Comment
  CAS-BOT-BC451667  Lilaea scilloides Carl B. Wolf 1929-4-29 3663 San Mateo 1 mi. so. of Portola in sm. reservoir Comment
  CAS-BOT-BC130792  Lilium pardalinum H. L. Mason 1920-6-25 s.n. San Mateo Pescadero Creek Comment
  JEPS19572  Limnanthes douglasii Adele Lewis Grant 1917-5-6 943 San Mateo hills near Pescadero 121 Comment
  RSA409968  Limonium californicum L. S. Rose 1942-8-11 42225 San Mateo Brisbane. 1 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
  JEPS9791  Limosella aquatica Franklin P. Nutting 1893-7-16 San Mateo Lake San Andreas Comment
  JEPS48590  Linanthus androsaceus James G. Daly 1934-1 332 San Mateo Upper Alpine Canyon, sw San Mateo County Santa Cruz Mts., San Gregorio Watershed 30 Comment
Read comments
Mar 12 2009
  SEINET3696412 Image available Linanthus filipes Lewis S. Rose 1932-4-10 32140 San Mateo Redwood City. Comment
  UCR66523  Linanthus parviflorus David D. Keck 1932-5-6 1481 San Mateo Just west of Millbrae Highlands 50 Comment
  RSA217987  Linaria canadensis var. texana Phillip Wheeler 1965-5-11 s.n. San Mateo West ravine of Pig Ranch Canyon. Comment
  SJSU12175  Linaria maroccana V. J. Haley 1985-3-6 San Mateo near El Monte & Moody Rds, Los Altos Hills Comment
  CDA6307  Linaria purpurea T. C. Fuller 1968-10-3 17659 San Mateo Christie s Crescent Nursery, Half Moon Bay. 0 Comment
  SEINET10634275  Linum grandiflorum Robert A. Norris 1977-5-2 Norris 3570 San Mateo Several annuals occurring locally as escapes in disturbed gravelly ground by Interstate Hwy. 280, just S of Farmhill Blvd. Exit, Woodside, San Mateo Co., California. Comment
  CAS-BOT-BC36070  Lithocarpus densiflorus var. densiflorus W. R. Dudley 1893-12-3 s.n. San Mateo Bear Gulch Road Comment
  CAS-BOT-BC430766  Lithophragma affine Evelina Cannon 1895-3-23 s.n. San Mateo South San Francisco Comment
  CAS-BOT-BC430767  Lithophragma affine Volney Rattan 1883-4-1 s.n. San Mateo Milbrae Comment
  JROH3892  Lithophragma affine John Hunter Thomas 1983-4-5 21318 San Mateo Jasper Ridge Biological Preserve, Stanford University; below rattlesnake rock Comment
  CAS-BOT-BC60213  Lobularia maritima Phillip Wheeler; Elizabeth McClintock 1965-6-13 s.n. San Mateo San Bruno Mountain. Colma Canyon along road. Comment
  CAS-BOT-BC60216  Lobularia maritima J. H. Thomas 1959-12-19 8519 San Mateo Near Palo Alto Yacht Harbor along edge of dump. Comment
  CAS-BOT-BC342309  Logfia filaginoides Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mountain. South Power Line Ridge Comment
  JROH735  Logfia gallica D. E. Breedlove 1971-5-31 19361 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH750  Logfia gallica John Hunter Thomas 1992-5-26 25362 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC283220  Lolium multiflorum Paul Reeberg 1989-6-18 s.n. San Mateo San Bruno Mountains. In area N of PG&E Marsh, Guadalupe Hills 60 Comment
  CAS-BOT-BC283221  Lolium multiflorum Elizabeth McClintock; Carlyn Halde; Walter & Irja Knight 1963-6-23 s.n. San Mateo San Bruno Mountains. Lower part of Colma Canyon Comment
  UCD66213  Lolium multiflorum Beecher Crampton 1962-6-11 6508 San Mateo Sharp Park, suburb of Pacifica, Mori's Point Road. Comment
  SEINET11678784  Lolium multiflorum E. A. Purer 1933-1 5418 San Mateo Santa Clara Valley, near Belmont Comment
  JROH5296  Lolium perenne Toni Corelli 2005-8-1 298 San Mateo Jasper Ridge Biological Preserve, Stanford University. Road H at Bear Creek crossing. 82 Comment
  JROH256  Lomatium dasycarpum subsp. dasycarpum John H. Thomas 1958-5-10 7145 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH270  Lomatium dasycarpum subsp. dasycarpum John Hunter Thomas 1987-4-30 24220 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA184857  Lomatium dasycarpum subsp. dasycarpum L. S. Rose 1965-4-22 65027 San Mateo San Bruno Mountain, south of parking lot 366 Comment
  JROH273  Lomatium macrocarpum John H. Thomas 1956-4-7 5625 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU1078  Lomatium macrocarpum C. W. Sharsmith 1951-4-6 5821 San Mateo Woodside Hills c. 3 mi W of Woodside 182 Comment
  UC1368794  Lomatium macrocarpum David H. French 1968-4-19 2857 San Mateo w. Redwood City (s.e. of Upper Crystal Springs Reservoir, s.e. side Edgewood Rd., ca. 100 yds. n.e. of intersection w/ Canada Rd.) Comment
  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
  JROH1659  Lonicera hispidula John Hunter Thomas 1980-6-5 19997 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
  SEINET12266796  Lonicera hispidula J. I. Murphy 1906-1 37 San Mateo Kings Mt. Santa Cruz Mts., Santa Cruz Peninsula Comment
  POM46727  Lonicera hispidula var. vacillans A. D. E. Elmer 1903-07 4596 San Mateo Lake San Andreas. Comment
  CAS-BOT-BC243975  Lonicera involucrata var. ledebourii W. R. Dudley 1894-3-28 s.n. San Mateo Canyon near coast above Lobitos Creek, Santa Cruz Mountain Peninsula Comment
  UC1125280  Lonicera involucrata var. ledebourii N. K. Carlson 1935-6-28 96 San Mateo 2 1/2 mi e Pigeon Point; Santa Cruz Quadrangle Comment
  UC729847  Lonicera involucrata var. ledebourii Carl B. Wolf 1929-5-25 3733 San Mateo 2 mi from Pescadero; Alpine Creek Comment
  UCSC007749  Lotus corniculatus Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  SEINET12151372  Lotus subpinnatus Unknown 1932-1 9137 San Mateo Sky Line Drive Comment
  UC1004320  Lotus tenuis W. A. Post Jul 1955 San Mateo Burlingame Comment
  RSA788951  Lotus tenuis Peter Rubtzoff 1976-6-13 8631 San Mateo San Bruno Mountains. Saddle area on N side of Guadalupe Canyon Parkway, west of Radio Road junction, margin of marshy area NW of Fog Forest. Comment
  RSA120410  Lotus wrangelianus Ynez Henderson 1950-4-8 s.n. San Mateo San Francisquito Creek. Comment
  UCSC006526  Lupinus Randall Morgan 1990-6-8 1752 San Mateo Colony along road just above Sandy Point ranger station (Sec 35, Franklin Point Quad) Comment
  JROH5696  Lupinus affinis John Rawlings 2013-4-2 1414 San Mateo Jasper Ridge Biological Preserve, Stanford University. Bank above Rd E at eastern terminus of Trail 13. 110 Comment
  SBBG33485  Lupinus affinis A. D. E. Elmer -Apr-1903 5021 San Mateo Portola Comment
  UC1129419  Lupinus affinis H. S. Yates 1935-5-8 5209 San Mateo 2 mi n Langley Hill; Santa Cruz Quad. 579 Comment
  POM77734  Lupinus affinis C. P. Smith 1921-4-9 3290 San Mateo San Mateo Canyon Comment
  SEINET10969885  Lupinus albifrons Donald E. Bright 1962-4-16 Bright 225 San Mateo Disturbed roadside, 8 miles ne of santa cruz, near graham hill and sims road, Along hwy 17. Bushy plant ca 2 ft high and 3-4 ft broad Comment
  CAS-BOT-BC195793  Lupinus albifrons var. albifrons Charles Piper Smith 1948-6-22 48497 San Mateo Highway 5 - junction Pagemill Road, 0.5 miles north Comment
  CAS-BOT-BC195812  Lupinus albifrons var. albifrons Fred Hemphill 1973-5-6 761 San Mateo San Carlos. North of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC195815  Lupinus albifrons var. albifrons L. R. A. 1902-4-13 2340 San Mateo San Mateo Canon [Canyon] Comment
  CAS-BOT-BC195818  Lupinus albifrons var. albifrons C. F. B. 1902-3-22 341 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC195783  Lupinus albifrons var. albifrons Charles Piper Smith 1948-4-23 48144 San Mateo Sharps Park cutoff, 1/2 mile east Comment
  CAS-BOT-BC195784  Lupinus albifrons var. albifrons Charles Piper Smith 1946-3-26 46116 San Mateo Highway 5, San Francisco County Jail Road north Comment
  CAS-BOT-BC195794  Lupinus albifrons var. albifrons Charles Piper Smith 1948-6-22 48499 San Mateo Highway 5 - junction Woodside 6 mile road, 2.8 miles north Comment
  CAS-BOT-BC196108  Lupinus albifrons var. collinus Elizabeth McClintock 1964-4-17 s.n. San Mateo San Bruno Mountain Comment
  CAS-BOT-BC196433  Lupinus arboreus John Thomas Howell 1933-4-9 10973 San Mateo 2 miles n. of Pigeon Pt. Comment
  CAS-BOT-BC196434  Lupinus arboreus W. R. Dudley 1893-5-17 s.n. San Mateo Above pass between Spring Valley Reservoir and Millbrae Comment
  SBBG25081  Lupinus arboreus D. Myrick 1966-6-11 1447 San Mateo near Pescadero along Hwy 1 S of San Francisco Comment
  UCD106655  Lupinus arboreus June McCaskill 1954-5-8 297 San Mateo Moss Beach. Comment
  RSA705042  Lupinus arboreus var. arboreus E. A. Purer 1933-7-27 5371 San Mateo Two miles south of Pigeon Point Comment
  RSA31675  Lupinus bicolor A. A. Heller 1907-4-20 8451 San Mateo Near Lake Merced. Comment
  UCSB16952  Lupinus bicolor Schulte, John 1963-4-28 San Mateo Jasper Ridge; 3 mi. SW of Stanford Campus; front of Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  UC127061 Image available Lupinus eximius J. Burtt Davy 1895-4-20 1050 San Mateo Lake Pilarcitos; ; Lake Pilarcitos, San Mateo Co Comment
  UC127062 Image available Lupinus eximius J. Burtt Davy 1895-4-20 1050 San Mateo Lake Pilarcitos; ; Lake Pilarcitos, San Mateo Co. Comment
  SBBG11058  Lupinus formosus D. E. Breedlove 1961-6-18 600 San Mateo 3 mi S of rd to Half Moon Bay on US 5 365 Comment
  CAS-BOT-BC8331  Lupinus latifolius subsp. dudleyi W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Peninsula, Montara Mts., ear top of South grade Comment
  RSA134073  Lupinus latifolius subsp. latifolius W. R. Dudley 1894-7-9 s.n. San Mateo Summit of Bear Gulch Road. Comment
  JROH2123  Lupinus latifolius var. latifolius John H. Thomas 1977-4-29 18575 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD27830  Lupinus menziesii Carl B. Wolf 1929-5-17 3712 San Mateo Alpine Road east of Skyline Blvd. 305 Comment
  UC729631  Lupinus microcarpus var. densiflorus Carl B. Wolf 1929-5-17 3712 San Mateo Alpine Road e Skyline Blvd. 304 Comment
  SEINET7076097 Image available Lupinus nanus A. G. Vestal 1955-5-31 s.n. San Mateo Near Pebble Beach off Route 1. (NAD 27; 37.2369? deg. North Latitude, 122.4153? deg. West Longitude, UTM Zone 10, 551863mE, 4121109mN). [GPS Coordinate: WGS84/NAD83]. Comment
  UC138034  Lupinus nanus C. F. Baker 1902-4-12 507 San Mateo San Gregorio Comment
  UC201931  Lupinus nanus Inez Ray Smith San Mateo Crystal Spring Lakes Comment
  UC398660  Lupinus nanus L. R. Abrams 1914-4-20 5128 San Mateo junction of Los Trancos and San Francisquito Creeks; jct of Los Trancos and San Francisquito Creeks Comment
Read comments
Sep 30 2011
  UCSB16951  Lupinus nanus Schulte, John 1963-4-14 San Mateo Jasper Ridge, 3 miles SW of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  SEINET11072117 Image available Lupinus nanus subsp. latifolius Carl Mankinen 1967-4-5 San Mateo State Highway 1, 1.8 miles northwest of Gazos Creek Comment
  CAS-BOT-BC27393  Lupinus nanus var. apricus C. P. Smith 1908-3-30 1374 San Mateo Stanford University, field near Cedro Cottage Comment
  SEINET10486161  Lupinus polycarpus David B. Dunn, Howard Brown 1946-5-15 Dunn 2530 San Mateo Collected n of palo alto on walsh rd, 1.1 mi w of the corner of walsh rd and Altachul avenue. Comment
  UCD23305  Lupinus polyphyllus Alan T. Whittemore 1976-5-29 107 San Mateo Crystal Springs Canyon, about 1/2 mile below (East of) dam. 39 Comment
  UCD23307  Lupinus polyphyllus Alan T. Whittemore 1976-5-29 114 San Mateo San Francisco Fish and Game Refuge. East side of Lower Crystal Springs Lake, on Sawyer's Camp Road. 94 Comment
  HSC34853  Lupinus succulentus Thomas W. Nelson San Mateo Beside Hwy. 280 S of San Francisco Comment
  RSA3803  Lupinus vallicola subsp. apricus L. R. Abrams 1914-4-20 5128 San Mateo At the confluence of Los Troncos and San Francisquito creeks. Comment
  POM10801  Lupinus variicolor E. B. Copeland 1903-6-3 3302 San Mateo Montara Point Comment
  UC1129739  Lupinus variicolor H. S. Yates 1935-2-8 5225 San Mateo 1 mi e Franklin Pt.; Santa Cruz Quad. Comment
  RSA162482  Lupinus variicolor E. K. Balls 1963-5-22 12067 San Mateo 2 mi. N. from turn out to San Gregorio, State Hwy. #1. 15 Comment
  SEINET10489102  Lupinus variicolor Smith 1948-4-20 Smith 48110 San Mateo Hwy 1. San pedro point, n grade. Comment
  SEINET10936779  Lupinus variicolor Smith 1948-4-23 Smith 48138 San Mateo Hwy 1, montara, government property. Comment
  SEINET13198377 Image available Lupinus versicolor A. G. Vestal 1937-6-15 s.n. San Mateo Comment
  POM290432  Luzula comosa Lyman Benson 1931-2-16 2584 San Mateo Stanford University. Corte Madra Creek. 152 Comment
  CAS-BOT-BC441263  Luzula macrantha W. R. Dudley 1900-3-16 s.n. San Mateo Santa Cruz Peninsula: Trail north of Tripp's Store, Woodside Comment
  CAS-BOT-BC441264  Luzula macrantha Alice Eastwood 1894-5-1 s.n. San Mateo South San Francisco Comment
  UCR279850  Luzula subsessilis Peter Rubtzoff 1976-3-28 8450 San Mateo San Francisco Bay Region, San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction; East Fork Colma Creek Canyon 220 Comment
  JROH3362  Lysimachia arvensis H. A. Dutton 1900-2-27 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3368  Lysimachia arvensis John Hunter Thomas 1982-7-8 21077 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing Comment
  JROH5568  Lysimachia arvensis John Rawlings 2013-4-19 1151 San Mateo Jasper Ridge Biological Preserve, Stanford University. South edge of Trail 11 in chaparral. 145 Comment
  SJSU15932  Lysimachia minima Toni Corelli, John Rawlings 2016-4-29 1772 San Mateo Cascade Field along Atkinson Bluff Trail, north of Cascade Cr. Trail, in Ano Nuevo State Park 11 Comment
  JROH2956  Lythrum John H. Thomas 1974-4-25 17215 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2943  Lythrum hyssopifolia L. R. Abrams 1914-7-1 5113 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake Comment
  JROH2945  Lythrum hyssopifolia John H. Thomas 1974-10-26 17630 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2947  Lythrum hyssopifolia John Hunter Thomas 1977-6-16 18751 San Mateo Jasper Ridge Biological Preserve, Stanford University; near old racing oval Comment
  CAS-BOT-BC342588  Madia Paul Reeberg 1989-5-30 s.n. San Mateo San Bruno Mountains. Owl Canyon Comment
  CAS-BOT-BC539288  Madia elegans John Rawlings; Ken Hickman 2016-7-21 1904 San Mateo Caltrans right-of-way upslope from Hwy 92 W onramp to Hwy 280 N; near a concrete drainage ditch a few yards downslope from San Francisco Watershed fenceline 122 Comment
  JEPS121503  Madia elegans Adam C. Schneider with C. Matt Guilliams and Will Freyman 2013-6-24 299 San Mateo Crystal Springs Reservoir Comment
  JEPS19491  Madia elegans Peter H. Raven 1957-9-1 11299 San Mateo King Mountain road 2.3 mi w Woodside Road Comment
  UC204186  Madia elegans A. D. E. Elmer May 1903 4662 San Mateo Alpine School House Comment
  UC501405  Madia elegans David D. Keck 1932-6-18 1979 San Mateo sw of Stanford University (Skyline Blvd at Langley Hill); Castle Rock Ridge 609 Comment
  UC729632  Madia elegans Carl B. Wolf 1929-5-17 3713 San Mateo 1 mi w Skyline Blvd. (on Alpine Road) 304 Comment
  SD27831  Madia elegans subsp. elegans Carl B. Wolf 1929-5-17 3713 San Mateo 1.0 mile west of Skyline Blvd. on Alpine Road. 305 Comment
  JEPS22903  Madia exigua John H. Thomas 1958-5-10 7141 San Mateo about 5 mi s Palo Alto; Jasper Ridge 152 Comment
  JEPS14885  Madia gracilis V. F. Hesse 1956-6-21 1936 San Mateo n Saratoga summit 731 Comment
  JROH1093  Madia gracilis John Hunter Thomas 1988-5-25 24488 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low flow crossing Comment
  RSA176528  Madia gracilis John H. Thomas 1963-6-23 10163 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto; near Westridge end of ridge Comment
Read comments
May 25 2015
  SEINET8734423 Image available Madia madioides L. S. Rose 1941-1 41287 San Mateo Kings Mountain, 540 Comment
  POM284995  Madia sativa Lyman Benson 1935-5-5 6543 San Mateo Lake Searsville. Stanford University. Santa Cruz Mtn range. S.F. Bay watershed. 152 Comment
  CAS-BOT-BC345108  Madia sativa W. R. Dudley 1901-5-11 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Colma Comment
  CDA8283  Madia sativa A. C. Browne 1950-8-12 San Mateo Alpine Creek. 0 Comment
  JROH1110  Madia sativa John Hunter Thomas 1982-7-22 21088 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lab Comment
  POM284997  Madia sativa Lyman Benson 1934-7-4 6103 San Mateo Moss Beach; Pacific Ocean watershed 15 Comment
  POM169288  Maianthemum racemosum subsp. amplexicaule C. F. Baker 1903-4-8 1917 San Mateo San Andreas Lake Comment
  CAS-BOT-BC512110  Maianthemum racemosum subsp. amplexicaule Mrs. S. G. Suttiffe 1921-4-3 s.n. San Mateo Lake Pilarcitos Comment
  CAS-BOT-BC512111  Maianthemum racemosum subsp. amplexicaule John H. Thomas 1967-5-7 12835 San Mateo Near intersection of Bean Hollow Rd. and Pescadero Rd., about 1/2 mile westward from Pescadero. 91 Comment
  CHSC57106  Maianthemum stellatum Steven Triano 1988-5-24 208 San Mateo Along s side of Old La Honda Road ca 0.3 mi e of its jct. With La Honda Road. 365 Comment
  JROH4703  Maianthemum stellatum John H. Thomas 1964-4-19 10326 San Mateo Jasper Ridge Biological Preserve, Stanford University. Area below dam in among redwoods near creek Comment
  JROH4705  Maianthemum stellatum John H. Thomas 1970-5-16 15629 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4707  Maianthemum stellatum John H. Thomas 1977-4-21 18537 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4715  Maianthemum stellatum John Hunter Thomas 1985-4-25 23569 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4717  Maianthemum stellatum John Hunter Thomas 1988-4-7 24383 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC514164  Maianthemum stellatum Elmer I. Applegate 1895-4-6 709 b San Mateo Hillside above Stanford University Comment
  POM193594  Maianthemum stellatum W. R. Dudley 1893-2-19 s.n. San Mateo Santa Cruz peninsula: Road from La Honda to Alpine Comment
  RSA3086  Malacothamnus arcuatus Carl B. Wolf 1931-8-20 2328 San Mateo Los Trancos Creek, 2 miles back of Stanford University, near Schenkel s Camp. 91 Comment
  UC138309  Malacothamnus davidsonii Hy. Edwards 1896-5-1 95 San Mateo Crystal Springs Comment
  UC762999  Malacothamnus davidsonii R. F. Hoover 1941-4-23 4906 San Mateo Redwood City hills Comment
  JROH2960  Malacothamnus fasciculatus D. E. Breedlove 1971-5-31 19352 San Mateo Jasper Ridge Biological Preserve, Stanford University. This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC204084  Malacothamnus hallii John Thomas Howell 1935-4-11 12579 San Mateo West end of Hayward - San Mateo Bridge Comment
  UCD54555  Malva arborea Ellen Dean; Tom Starbuck, Margaret Starbuck 2005-10-16 2745 San Mateo Town of Miramar, N of Half Moon Bay. Along Mirada Rd. on coastal bluff overlooking beach. Comment
  JROH2964  Malva nicaeensis John H. Thomas 1966-4-24 11576 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA34450  Marah fabacea M. Beyers, Z. Bakman, L. Feely, & D. Sozanni 2011-4-4 879 San Mateo Pacifica: San Pedro Valley County Park, at Brooks Creek Trail trailhead, near visitor center's parking lot. 74 Comment
  UC129177  Marah oregana Miss Harriet A. Walker 1909-5-8 1681 San Mateo Milbrae Comment
  RSA176525  Marrubium vulgare John H. Thomas 1962-7-15 9919 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  CAS-BOT-BC67843  Marsilea vestita Peter H. Raven 1950-6-3 2269 San Mateo San Andreas Lake 121 Comment
  JROH615  Matricaria discoidea John H. Thomas 1965-5-12 10647 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH622  Matricaria discoidea John Hunter Thomas 1981-5-8 20566 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5757  Medicago arabica M. Ray 1982-4-25 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Whiskey Hill Gate Comment
  JROH2162  Medicago polymorpha John H. Thomas 1966-4-24 11579 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2174  Medicago polymorpha John Hunter Thomas 1988-5-5 24451 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2161  Medicago polymorpha John H. Thomas 1963-6-23 10174 & 10175 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Westridge end of ridge Comment
  JROH2170  Medicago polymorpha John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA128987  Medicago polymorpha Peter H. Raven 1950-6-3 2203 San Mateo along Millbrae Ave., Millbrae. 61 Comment
  CAS-BOT-BC157960  Medicago polymorpha var. polymorpha Peter Rubtzoff 1978-7-8 9235 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction Comment
  CAS-BOT-BC271159  Melica John H. Thomas 1965-4-29 10631 B San Mateo San Bruno Mountain in northern part of county. 396 Comment
  UCD87869  Melica imperfecta P. B. Kennedy 1916-4-1 s.n. San Mateo Daly City, Colma Canyon, S San Francisco. Comment
  CAS-BOT-BC264188  Melica subulata W. R. Dudley 1898-4-24 s.n. San Mateo El Corte Madera, Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC264240  Melica torreyana John H. Thomas 1961-5-14 9374 A San Mateo Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek, San Francisco Watershed Reserve 152 Comment
  CAS-BOT-BC264241  Melica torreyana Robert Robertson 1954-4-23 97 San Mateo Jaspers Ridge near Searsville Lake 170 Comment
  CAS-BOT-BC264246  Melica torreyana John H. Thomas 1965-4-29 10620 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC264247  Melica torreyana Peter H. Raven 1950-6-3 2245 San Mateo Around San Andreas Lake Comment
  CAS-BOT-BC264252  Melica torreyana W. R. Dudley 1900-3-16 s.n. San Mateo By road up Kings Mt., Santa Cruz Mountain Peninsula Comment
  SEINET206300 Image available Melica torreyana R. Bacigalupi, J Roof; L. Heckard 1961-4-24 7625 San Mateo Ridge below & SE of end of paved ridgetop rd E of KRON TV tower;Guadalupe Valley side San Bruno Summ 305 Comment
  RSA101010  Melilotus albus G. Oberlander 1949-10-8 404 San Mateo Lower Crystal Springs Lake, San Francisco Watershed Reserve. Comment
  UCD18538  Melilotus albus Roman Gankin 1950-7-2 6 San Mateo east side of the Peninsula Coast Range, off of the King's Mtn. Rd. behind Woodside. 609 Comment
  JROH2184  Melilotus indicus John H. Thomas 1970-7-5 15674 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2196  Melilotus indicus John Hunter Thomas 1987-5-5 24243 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC257357  Melilotus indicus Peter Rubtzoff 1988-6-9 9923 San Mateo San Bruno Mountains, Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction, along Old Guadalupe Road in the northwestern part of the Saddle area, east of Saddle Trail junction. Comment
  JROH2799  Melissa officinalis John Hunter Thomas 1981-9-24 20743 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM177324  Mercurialis annua L. R. Abrams, I. L. Wiggins, D. Abrams 1930-11-13 I 80 San Mateo Artichoke field 3 mi. S. of Rockaway Beach (Pedro Valley). Comment
  UCD142326  Mercurialis annua T. C. Fuller 1958-10-16 1444 San Mateo Pedro Valley, E of Sanchez Adobe House, S of Linda Mar Blvd. Comment
  CAS-BOT-BC348579  Micropus californicus var. californicus W. R. Dudley 1906-6-11 s.n. San Mateo Santa Cruz Mountain Peninsula. Field E. of Kings Mt. House Comment
  JROH1129  Micropus californicus var. californicus John Hunter Thomas 1982-4-28 20872 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSC004608  Microseris Randall Morgan 1994-4-13 2182 San Mateo Edgewood Park/Canada Road Comment
  CAS-BOT-BC348720  Microseris bigelovii John H. Thomas 1966-4-30 11591 San Mateo Bluffs at San Gregorio Beach Comment
  CAS-BOT-BC348721  Microseris bigelovii John H. Thomas 1963-5-20 10146 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  SJSU1071  Microseris douglasii C. W. Sharsmith 1951-4-6 5826 San Mateo Woodside Hills c. 3 mi W of Woodside 182 Comment
  POM52854  Microseris douglasii subsp. douglasii A. D. E. Elmer 1903-05 4721 San Mateo Crystal Springs Lake Comment
  UC50038  Microseris douglasii subsp. douglasii J. Burtt Davy 1895-4-20 1073 San Mateo Crystal Springs Lake Comment
  UC92194  Microseris douglasii subsp. douglasii A. Kellogg San Mateo San Bruno Hills Comment
  CAS-BOT-BC349146  Microseris douglasii subsp. tenella H. A. Dutton 1900-3-25 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  CAS-BOT-BC349140  Microseris douglasii subsp. tenella Kenton L. Chambers 1953-5-5 457 San Mateo Bayshore Hwy., 1.5 mi. n. of Dumbarton Bridge Road intersection Comment
  CAS-BOT-BC349141  Microseris douglasii subsp. tenella Kenton L. Chambers 1953-3-28 430 San Mateo Bayshore Hwy., one mi. s. of junction with Harbor Blvd., Redwood City Comment
  SEINET12269792  Mimulus aurantiacus L. K. Henry 1956-1 s.n. San Mateo along Pacific Ocean at Pigeon Point Lighthouse on Rt. 1 Comment
  JROH4076  Mimulus aurantiacus var. aurantiacus John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA420292  Mimulus aurantiacus var. aurantiacus Glenn A. Gorelick 1967-5-24 s.n. San Mateo San Bruno Mountains, overlooking Daly City near San Francisco Comment
  JROH4086  Mimulus guttatus Duncan M. Porter 1961-4-8 750 San Mateo Jasper Ridge Biological Preserve, Stanford University; below large meadow on crest of ridge Comment
  RSA10279  Mimulus guttatus H. A. Barker 1927-5-6 663 San Mateo Summit of Kings Mts. Comment
  UCD122861  Mimulus primuloides Clyde Elmore 1967-9-14 s.n. San Mateo The Sequoias (Lutheran retirement community), off Portola Road, Woodside. Comment
  CAS-BOT-BC388831  Minuartia douglasii Ned Cahill 1974-4-19 148 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC388836  Minuartia douglasii H. A. Dutton 1900-3-11 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  CAS-BOT-BC388837  Minuartia douglasii Le Roy Abrams 1902-5-4 2429 San Mateo Woodside Comment
  JROH1700  Minuartia douglasii John H. Thomas 1971-4-10 15752 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM87703  Minuartia douglasii L. R. Abrams 1902-5-4 2429 San Mateo Woodside 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
  CAS-BOT-BC214069  Monardella villosa C. F. Baker 1903-6-30 3353 San Mateo Crystal Springs 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
  UC1041059  Monardella villosa subsp. franciscana J. W. Congdon 1901-7-7 San Mateo Road Millbrae to Spring Valley Comment
  SEINET10582383  Monardella villosa subsp. franciscana A. Graff 1993-6-14 Graff 4 San Mateo 0.4 miles down Bean Hollow Road from its intersection with Pescadero Road, along right road cut. Windy, exposed, dry, steep, rocky cuts. Locally infrequent, with Artemisia californica, Baccharis pilularis, Mimulus aurantiacus, Eriophyllum stachaedifolium, Anaphalis margaritacea, Dudleya sp., Scrophularia californica, Eriogonum sp., grasses. Comment
  SEINET10862297  Monardella villosa subsp. franciscana A. Graff 1993-6-14 Graff 3 San Mateo 0.37 miles down Bean Hollow Road from its intersection with Pescadero Road, along right road cut. Windy, exposed, dry, steep, rocky cuts. Locally infrequent, with Artemisia californica, Baccharis pilularis, Mimulus aurantiacus, Eriophyllum stachaedifolium, Anaphalis margaritacea, Dudleya sp., Scrophularia californica, Eriogonum sp., grasses. Comment
  UCD125295  Monardella villosa subsp. franciscana Botany 102 Student 1974-5-30 s.n. San Mateo west of Radio Road near Nike Base Road, San Bruno Mountain. 381 Comment
  JROH2843  Monardella villosa subsp. villosa John Hunter Thomas 1980-6-5 19995 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2845  Monardella villosa subsp. villosa John Hunter Thomas 1981-6-4 20671 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCLA62413  Monardella villosa subsp. villosa unknown 1903-6-1 4766 San Mateo San Pedro Comment
  JROH2847  Monardella villosa subsp. villosa John Hunter Thomas 1982-6-7 21026 San Mateo Jasper Ridge Biological Preserve, Stanford University; above Searsville Lake 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-BC444954  Montia fontana George Oberlander 1950-4-16 632 San Mateo San Francisco Watershed Reserve. Below San Andreas Dam Comment
  CDA28803  Myosotis latifolia D. G. Kelch 2009-6-9 9 .403 San Mateo Santa Cruz Mts.; Chert outcrop and adjacent mixed evergreen forest along Skyline Blvd ~1 km W of Skegg s Point. Comment
  RSA152078  Myosotis latifolia John H. Thomas 1962-5-12 9332 San Mateo San Bruno Mountain. 244 Comment
  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
  CAS-BOT-BC166664  Myosotis latifolia Peter Rubtzoff; Elizabeth McClintock; Barbara Deutsch 1978-6-4 9203 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  UCD164185  Myosotis latifolia Peter Rubtzoff 1978-6-4 9203 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  UCSB21182  Myosotis latifolia Simpson, C. 1967-3-21 San Mateo Butano Creek; 2.6 miles east of junction of Cloverdale Rd. and Canon Road 45 Comment
  RSA152075  Myrica californica John H. Thomas 1962-3-24 9838 San Mateo Isenberg Ranch near Langley Hill. 549 Comment
  POM295476  Nassella pulchra Lyman Benson 1930-4-17 2080 San Mateo Stanford University. 152 Comment
  JROH1571  Nasturtium officinale John H. Thomas 1973-6-15 16830 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1572  Nasturtium officinale John Hunter Thomas 1978-7-2 19242 San Mateo Jasper Ridge Biological Preserve, Stanford University; on dam Comment
  JROH5661  Navarretia heterodoxa John Rawlings 2014-6-7 1261 San Mateo Jasper Ridge Biological Preserve, Stanford University; on both sides of Trail 9 through chamise chaparral east of WIFI station 197 Comment
  SEINET3696485 Image available Navarretia heterodoxa Lewis S. Rose 1934-5-27 34280 San Mateo Emerald Lake. Comment
  SJSU42  Navarretia mellita C. D. Duncan 1925-7-13 San Mateo Mud Lakes, summit of Coal Mine Ridge above Corte Madera Cr Comment
  UC1124144  Navarretia squarrosa G. E. Sindel 1935-7-25 310 San Mateo Lagoon, mouth of Pescadero Creek Santa Cruz Quad., Pescadero Creek 7 Comment
  UCR121584  Navarretia squarrosa George K. Helmkamp, E. A. Helmkamp 1999-6-28 4985 San Mateo Pescadero Creek Watershed, Pescadero Road just north of Loma Mar 107 Comment
  SD3919  Navarretia squarrosa Ulysses S. Grant 1925-9-2 San Mateo Burlingame Comment
  SD38536  Nemophila menziesii Janet Turner 1933-4-19 3728 San Mateo Above Emerald Lake Comment
  SEINET3840801  Nemophila parviflora Unknown 2005-6-21 5 .368 San Mateo Northeast corner of Pilarcitos Lake, SF Water District land 250 Comment
  UCSC008907  Nemophila pedunculata Randall Morgan 2014-5-4 5599 San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC140449  Oemleria cerasiformis W. R. Dudley 1893-4-1 s.n. San Mateo Bear Gulch Road, Santa Cruz Mountains Comment
  CAS-BOT-BC389684  Oemleria cerasiformis Jeanie Nieri 1953-1-31 s.n. San Mateo Huddart Park Comment
  JROH3705  Oemleria cerasiformis John H. Thomas 1963-4-17 10035 San Mateo Jasper Ridge Biological Preserve, Stanford University. Moist slope along road near Searsville Lake Comment
  JROH3707  Oemleria cerasiformis John H. Thomas 1968-3-17 14184 San Mateo Jasper Ridge Biological Preserve, Stanford University. Brush slope at arm of Lake Comment
  JROH3713  Oemleria cerasiformis John Hunter Thomas 1982-2-19 20801 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Goya Gate Comment
  JROH3715  Oemleria cerasiformis John Hunter Thomas 1985-4-25 23565 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC2061401  Oenothera elata subsp. hookeri H. W. Johansen 1958-5-18 23 San Mateo Coast Hwy 1, S of Pescadero Comment
  HSC23991  Oenothera elata subsp. hookeri Mary Katherine Wicksten 1971-6-27 125 San Mateo Princeton, by Hwy. 1 Comment
  UCD106882  Oenothera perennis T. C. Fuller 1970-5-12 19529 San Mateo Emily (Mrs. Hillary) Brown prop., 3045 Ralston Ave., Burlingame. Comment
  JROH2988  Olea europaea John H. Thomas 1967-5-10 12850 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET5766933  Orobanche californica W. A. Setchell 1909-8-29 173 San Mateo Farallone City Comment
  JEPS126148  Orobanche californica subsp. californica Alison Colwell with A. Sanders 2004-7-24 04 -196 San Mateo Shelter Cove, near Pacifica Comment
  POM59435  Orobanche californica subsp. californica W. A. Setchell 1909-8-29 173 San Mateo Farallone City, on slopes facing the ocean. Comment
  JROH3086  Orobanche vallicola John Hunter Thomas 1982-9-12 21155 San Mateo Jasper Ridge Biological Preserve, Stanford University. Corte Madera Woods vicinity of Mapache Gate Comment
  JROH3089  Orobanche vallicola James McMurphy 1906-8-6 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake Comment
  JROH3090  Orobanche vallicola Toni Corelli 2003-11-5 266 San Mateo Jasper Ridge Biological Preserve, Stanford University; in moist woodland above San Francisquito Creek along trail 2 82 Comment
  RSA40251  Orthocarpus densiflorus L. S. Rose 1948-5-16 48113 San Mateo Emerald Lake, west of Redwood City. 152 Comment
  RSA130824  Orthocarpus faucibarbatus var. albidus W. R. Dudley 1896-4-17 s.n. San Mateo Near Pebble Beach, Pescadero. Comment
  RSA178633  Orthocarpus lithospermoides L. R. Abrams 1915-6-7 5237 San Mateo Woodside - Crystal Springs road near junction with Whipple Road. Comment
  RSA88573  Orthocarpus lithospermoides L. S. Rose 1954-5-17 54043 San Mateo Emerald Lake, E of Redwood City. 183 Comment
  SEINET12265143  Orthocarpus lithospermoides G. A. McCallum 1933-1 s.n. San Mateo in Spring Valley Comment
  POM15628  Orthocarpus pusillus Stewart H. Burnham 1894-4-21 s.n. San Mateo [No location information provided.] Comment
  HSC23966  Osmorhiza berteroi Mary Katherine Wicksten 1971-6-17 74 San Mateo Huddart Park, along Chickadee Trail Comment
  CDA28462  Oxalis corymbosa H. Struffenegger, J. Reppas 1974-1-9 San Mateo Podesta Nursery, 1951 Pulgas Avenue, East Palo Alto. 0 Comment
  UCD110979  Oxalis oregana Janet Jacob 1951-4-1 60 San Mateo 7 miles east of Pescadero. Comment
  RSA240600  Oxalis oregana C. W. Tilforth, John Dourley 1973-7-19 934 San Mateo Gazos Creek Road, between Butano and Big Basin State Parks Comment
  UCD18546  Oxalis oregana Roman Gankin 1950-7-9 15 San Mateo west side of the Peninsula Coast Range, 4 miles from La Honda, off San Mateo Memorial Park Rd, redwood belt. 30 Comment
  UCR51659  Oxalis pes-caprae 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
  JROH5340  Panicum miliaceum subsp. miliaceum Ann Lambrecht 2000-9-11 1 San Mateo Jasper Ridge Biological Preserve, Stanford University. Corte Madera Creek. Comment
  CAS-BOT-BC422866  Papaver somniferum Walter Knight; Irja Knight 1965-5-15 s.n. San Mateo San Bruno Mountain. Pig Ranch Ravine Comment
  RSA152077  Parapholis incurva John H. Thomas 1962-5-12 9859 San Mateo Franklin Point. 0 Comment
  RSA176768  Parapholis incurva John H. Thomas 1963-5-20 10138 San Mateo Ano Nuevo Island, 1/2 mile off shore and about 20 miles NW of Santa Cruz. Comment
  CAS-BOT-BC266632  Pedicularis Ned Cahill 1975-2-21 402 San Mateo Near the intersection of Canada and Edgewood roads, about 3 miles from Redwood City Comment
  JROH4094  Pedicularis densiflora Le Roy Abrams 1901-1-27 1102 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Comment
  JROH4113  Pedicularis densiflora John H. Thomas 1974-4-13 17150 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4115  Pedicularis densiflora John Hunter Thomas 1978-4-20 19094 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4117  Pedicularis densiflora John Hunter Thomas 1981-5-25 20631 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC266665  Pedicularis dudleyi J. H. Thomas 1961-5-23 9452 San Mateo Portola State Park, near junction of Peters and Pescadero Creeks 152 Comment
  CAS-BOT-BC266668  Pedicularis dudleyi W. R. Dudley 1903-6-6 s.n. San Mateo Santa Cruz Peninsula. Near Iverson's, Pescadero Creek Comment
  RSA130986  Pedicularis dudleyi W. R. Dudley 1903-5-2 s.n. San Mateo Bank near fork of road to Old Page Mill Comment
Read comments
Feb 18 2016
  SEINET12182596  Pelargonium L. K. Henry 1956-1 s.n. San Mateo along Pacific Ocean at Pigeon Point Lighthouse on Rt 1 Comment
  CAS-BOT-BC207031  Pelargonium vitifolium John Thomas Howell 1932-12-21 10864 San Mateo Near Pescadero. Comment
  JROH99  Pellaea andromedifolia John H. Thomas 1974-11-5 17662 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail below dam. Comment
  CAS-BOT-BC69251  Pellaea andromedifolia John H. Thomas 1975-4-17 s.n. San Mateo Yerba Buena Nursery, near Skyline Blvd, on Isenberg Ranch Comment
  SEINET4555767 Image available Pellaea andromedifolia John P. Young 1925-1-9 San Mateo Burlingame Comment
  JEPS22894  Pentachaeta alsinoides John H. Thomas 1958-5-10 7155 San Mateo about 5 mi sw Palo Alto; Jasper Ridge 152 Comment
  POM55515  Pentachaeta exilis C. F. Baker 1902-4-4 446 San Mateo Crystal Springs Lake. Comment
  JROH108  Pentagramma triangularis subsp. triangularis John H. Thomas 1964-11-29 10544 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  UC812463  Pentagramma triangularis subsp. triangularis Lewis S. Rose 1938-2-23 38082 San Mateo Woodside 152 Comment
  CAS-BOT-BC77004  Pentagramma triangularis subsp. triangularis Phillip Wheeler 1966-12-30 s.n. San Mateo San Bruno Mountains - Harold Road, Brisbane Comment
  JROH312  Perideridia kelloggii John H. Thomas 1975-7-31 17981 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC418847  Persicaria hydropiperoides Ira L. Wiggins 1985-9-28 22299 San Mateo Bed of San Francisquito Creek, N side of creek bed, just above Pop [Pope] Street bridge, Menlo Park Comment
  CAS-BOT-BC413765  Persicaria lapathifolia W. R. Dudley 1897-10-11 s.n. San Mateo Santa Cruz Peninsula. Toward Pilar Pt. Comment
  CAS-BOT-BC419156  Persicaria maculosa George Oberlander 1949-7-24 317 San Mateo San Francisco Watershed Reserve. San Andreas Lake Comment
  CAS-BOT-BC419388  Persicaria punctata W. R. Dudley 1897-10-10 s.n. San Mateo Toward Pilar Pt. Comment
  CAS-BOT-BC419392  Persicaria punctata Paul Reeberg 1991-8-10 s.n. San Mateo San Bruno Mountains Comment
  CAS-BOT-BC330310  Petasites frigidus var. palmatus L. R. Abrams 1904-3-7 s.n. San Mateo Santa Cruz Mountain Peninsula. Bear Gulch Comment
  CAS-BOT-BC330311  Petasites frigidus var. palmatus L. R. Abrams 1904-3-7 s.n. San Mateo Santa Cruz Mountain Peninsula. Bear Gulch Comment
  RSA120041  Petunia parviflora W. R. Dudley 1909-10-31 s.n. San Mateo Searsville Lake. The Santa Cruz Mtn Peninsula. Comment
  UC1301150  Phacelia californica Helen K. Sharsmith 1963-2-16 5141 San Mateo lower slopes of mt. above Daly City; San Francisco Bay Region, San Bruno Mountain 106 Comment
  UC131689  Phacelia californica C. F. Baker 1902-5-1 690 San Mateo Crystal Springs Comment
  SEINET3158140  Phacelia distans L. S. Rose 1939-4-13 39065 San Mateo San Mateo Canyon near Crystal Springs Lake 61 Comment
  POM128434  Phacelia distans L. R. Abrams 1902-4-13 2345 San Mateo San Mateo Canyon. Comment
  UC1084388  Phacelia divaricata G. Thomas Robbins 1937-4-11 96 San Mateo near Spring Valley Lakes (along road to Woodside) Comment
  RSA128863  Phacelia divaricata W. R. Dudley 1895-6-8 s.n. San Mateo Along the road near the alpine school house, Black Mt. Comment
  UC735096  Phacelia imbricata subsp. imbricata Lincoln Constance 1946-6-7 3077 San Mateo Skyline Drive about 2 mi sw Portola 457 Comment
  JROH5363  Phalaris aquatica John Hunter Thomas 1982-7-2 21058 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low-flow crossing. Comment
  JROH5367  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
  JROH5800  Phalaris aquatica John Rawlings 2005-5-15 0800 San Mateo Jasper Ridge Biological Preserve, Stanford University. Rd F through oak woodland, 7 yards east of its intersection with the south terminus of Trail 15 Comment
  SJSU15905  Phalaris californica John Rawlings, Sara Timby, Toni Corelli 2016-4-23 1730 San Mateo Bean Hollow bluff trail near footbridge crossing a deeply-cut drainage, west of Hwy 1 south of Pescadero. 8 Comment
  UC204158  Phalaris californica A. D. E. Elmer June, 1903 4699 San Mateo Crystal Springs Lake Comment
  JROH2768  Pholistoma auritum var. auritum John Hunter Thomas 1981-5-5 20540 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC222502  Pholistoma auritum var. auritum Miss E. Cannon No date on label s.n. San Mateo South San Francisco Comment
  SJSU4276  Phyllospadix scouleri E. B. Woon 1957-5-31 227 San Mateo Pigeon Point Comment
  UC2056116  Phyllospadix torreyi 2015-6-18 San Mateo Pescadero. beds south of promontory Comment
  UC69382  Physocarpus capitatus J. Burtt Davy 1893-6-17 799 San Mateo Belmont Comment
  SEINET10542162  Physocarpus opulifolius Charles H. Boxmeyer 1894-1 Boxmeyer s.n. San Mateo Comment
  SEINET3418037 Image available Pickeringia montana Lewis S. Rose 1933-6-9 33224 San Mateo Belmont Comment
  JROH2201  Pickeringia montana var. montana John H. Thomas 1974-5-29 17402 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Riders' shack Comment
  JROH2202  Pickeringia montana var. montana John H. Thomas 1975-6-5 17937 San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack Comment
  RSA130411  Pickeringia montana var. montana Josephine Randall 1907-6-29 s.n. San Mateo Kings Mt. Road. Comment
  CAS-BOT-BC136528  Piperia candida W. R. Dudley 1905-6-18 s.n. San Mateo Field redacted by CAS, contact the data manager for more information Comment
  UCSC008349  Piperia elegans subsp. elegans Randall Morgan 1991-7-27 1996 -P San Mateo Pacifica, Rockaway Beach Comment
  UCSC004667  Piperia michaelii Randall Morgan 1992-1 1 .99E+11 San Mateo Pacifica, Rockaway Beach Comment
  CAS-BOT-BC228122  Plagiobothrys chorisianus A. A. Heller 1907-4-20 8439 San Mateo Near Lake Merced Comment
  JEPS27368  Plagiobothrys chorisianus Rimo Bacigalupi with Jim Roof and L. Heckard 1961-4-24 7628 San Mateo just e KRON television tower and station (below and se of end of paved ridge-top road, on Guadalupe Valley side of the summit of San Bruno Mountain); San Bruno Mountain 304 Comment
Read comments
Aug 22 2013
  UC586830  Plagiobothrys chorisianus David Keck 1938-5-30 4728 San Mateo Pescadero Comment
  LA204230  Plagiobothrys chorisianus D. Keck; 1932-4-18 1435 San Mateo San Francisco Bay, Burlingame 2.0 Comment
  CAS-BOT-BC228153  Plagiobothrys chorisianus var. chorisianus W. R. Dudley 1898-4-24 s.n. San Mateo The Santa Cruz Mountain Peninsula. Near El Corte Madera Creek Comment
  SD39907  Plagiobothrys chorisianus var. chorisianus Edith A. Purer 1933-7-27 5392 San Mateo Two miles south of Pigeon Point. Comment
  SJSU15770  Plagiobothrys chorisianus var. chorisianus Toni Corelli 2010-6-1 631 San Mateo Wavecrest, west of Highway 1 in Half Moon Bay. 23 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-BC228173  Plagiobothrys chorisianus var. hickmanii L. R. Abrams 1909-8-2 4248 San Mateo The Santa Cruz Peninsula. Pebble Beach, Pescadero Comment
  CAS-BOT-BC228174  Plagiobothrys chorisianus var. hickmanii W. R. Dudley 1900-3-16 s.n. San Mateo The Santa Cruz Mountain Peninsula. Along road between King's [Kings] Mountain and Half Moon Bay Comment
  JROH1421  Plagiobothrys nothofulvus John H. Thomas 1967-4-20 12707 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1422  Plagiobothrys nothofulvus John H. Thomas 1968-4-19 14291 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS41013  Plantago erecta Lewis S. Rose 1965-5-3 65056 San Mateo n end San Bruno Mountain 182 Comment
  JROH3107  Plantago erecta John H. Thomas 1955-5-6 5006 San Mateo Jasper Ridge Biological Preserve, Stanford University 182 Comment
  JROH3113  Plantago erecta John H. Thomas 1975-4-19 17796 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM283963  Plantago erecta Arthur L. Cohen 1935-4-21 623 San Mateo Jasper Ridge, Stanford University. Santa Cruz Mtn Range, San Francisco Bay Watershed. 152 Comment
  JROH3137  Plantago major John Hunter Thomas 1981-9-24 20752 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3133  Plantago major John H. Thomas 1959-8-22 8082 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM61259  Plantago maritima E. B. Copeland 1903-6-5 3331 San Mateo Montara Point. Comment
  RSA18371  Plantago maritima Carl B. Wolf 1927-6-29 537 San Mateo Along coast south of Pebble Beach near Pescadero. Comment
  UC888462  Plantago maritima var. californica Lewis S. Rose 1937-9-5 37645 San Mateo Mussel Rocks 60 Comment
  UCD164004  Plantago subnuda Peter Rubtzoff 1977-11-24 9142 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction, East Fork Colma Creek Canyon near upper rim. Comment
  RSA18360  Platanthera leucostachys Carl B. Wolf 1929-5-25 3728 San Mateo Pebble Beach, S of Pescadero. Comment
  CAS-BOT-BC92024  Platystemon californicus Phillip Wheeler 1965-3-30 s.n. San Mateo San Bruno Mountain. Wheeler's Canyon. Comment
  JROH3105  Platystemon californicus H. J. Dengler 1972-4-27 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; E. of Searsville rocks, and above largest Douglas Fir on Jasper Ridge Comment
  POM149360  Platystemon californicus var. californicus A. D. E. Elmer 1903-06 4853 San Mateo Crystal Springs Lake. Comment
  JROH4244  Plectritis congesta subsp. brachystemon John Hunter Thomas 1979-5-10 19546 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH6205  Plectritis congesta subsp. brachystemon John Rawlings 2014-4-30 1222 San Mateo Jasper Ridge Biological Preserve, Stanford University; between south base of utility pole mound and San Francisquito Creek riparian corridor. 89 Comment
  JROH5684  Plectritis macrocera John Rawlings 2015-4-7 1462 San Mateo Jasper Ridge Biological Preserve, Stanford University; rocky ridge crest of Jasper Ridge 175 Comment
  UCD92189  Poa August L. Hormay 1932-5-29 s.n. San Mateo Bay shore, San Bruno. Comment
  SD99466  Poa annua Ira L. Wiggins 1975-4-17 22142 San Mateo NE side of Southern Pacific right-of-way, between San Francisquito Creek and Willow Road, San Mateo, along path Comment
  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
  CAS-BOT-BC255782  Poa infirma Walter Knight; Irja Knight 1967-5-16 s.n. San Mateo Randolph Ave., South San Francisco, San Bruno Mountain Comment
  JROH5416  Poa pratensis subsp. pratensis John Hunter Thomas 1977-6-16 18801 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5419  Poa pratensis subsp. pratensis John Rawlings 2008-5-13 1000 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Ranger Bath, Searsville townsite 107 Comment
  CAS-BOT-BC237725  Poa secunda subsp. juncifolia Dr. E. B. Copeland 1903-4-20 1920 San Mateo San Andreas Lake Comment
  JROH5424  Poa secunda subsp. secunda Herbert Dengler 1962-4-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; N of Searsville Rocks 100 ft from S. F. Cr. Comment
  SEINET10954075  Poa trivialis P. Rubtzoff 1977-6-7 Rubtzoff 9030 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC244250  Poa unilateralis H. L. Mason 1921-5-28 s.n. San Mateo Pebble Peach, near Pescadero Comment
  CAS-BOT-BC244251  Poa unilateralis Louis F. Pitelka 1973-4-30 s.n. San Mateo Bolsa Point, about 1 mile N of Pigeon Point and about 39 miles S of San Francisco Comment
  JEPS101813  Poa unilateralis Dean W. Taylor 2000-4-25 17440 San Mateo along dirt road 1 mi W of North Peak, Montara Mountain 411 Comment
  CAS-BOT-BC244248  Poa unilateralis W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. Top of Montara Mountain Comment
  JROH2856  Pogogyne serpylloides John H. Thomas 1966-4-29 11588 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2860  Pogogyne serpylloides John Hunter Thomas 1980-5-6 19934 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC225240  Polemoniaceae Alice Eastwood 1901-5-9 s.n. San Mateo Benheim Comment
  CAS-BOT-BC232872  Polemonium carneum George Oberlander 1950-5-2 580 San Mateo San Francisco Watershed Reserve. Pilarcitos Canyon Comment
  POM65523  Polemonium carneum A. D. E. Elmer 1903-07 4771 San Mateo Pilarcitos Stone Dam. Comment
  POM204332  Polygala californica I. L. Wiggins 1929-7-4 3781 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  UCR66525  Polygonum amphibium Lyman Benson 1932-7-11 3930 San Mateo Santa Cruz Range, Stanford University. San Francisquito Creek. 62 Comment
  CDA2829  Polygonum arenastrum Buchanan 1960-4-28 4107 San Mateo Harbor Blvd. & Freeway, Redwood City. 0 Comment
  CAS-BOT-BC414105  Polygonum aviculare subsp. aviculare J. H. Thomas 1949-10-16 1145 San Mateo Just north of outlet of San Gregorio Creek Comment
  CAS-BOT-BC414108  Polygonum aviculare subsp. aviculare Philip C. Wheeler 1965-5-17 s.n. San Mateo San Bruno Mountain. Area in Crocker Hills adjacent to Cow Palace Comment
  JROH3265  Polygonum aviculare subsp. depressum John Hunter Thomas 1982-7-22 21087 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Saersville Lab. Comment
  CAS-BOT-BC414235  Polygonum aviculare subsp. depressum J. H. Thomas 1963-7-19 10180 B San Mateo Ano Nuevo Point Comment
  JROH3263  Polygonum aviculare subsp. depressum John Hunter Thomas 1981-10-25 20765 San Mateo Jasper Ridge Biological Preserve, Stanford University. Delta. Comment
  JROH3267  Polygonum aviculare subsp. depressum John Hunter Thomas 1992-5-26 25356 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low-flow crossing. Comment
  UC1101144  Polygonum lapathifolium Herbert L. Mason and Verne Grant 1946-8-28 13089 San Mateo s San Francisco (pond on Santa Cruz-Daly City Road #5) Comment
  UC1936265  Polypodium Robert Price 1983-1-10 627 San Mateo Pulgas Ridge, just ENE of Crystal Springs Reservoir, ca. 1/8 mi ENE of entry gate on Bunker Hill Ave. Comment
  SBBG32442  Polypodium californicum L. S. Rose 1964-2-6 64001 San Mateo King's Mtn 609 Comment
  SJSU8151  Polypodium californicum J. B. Mackenzie 1967-3-9 102 San Mateo headland by Arroyo de los Frijoles Beach c. 2 mi S of Pescadero Point. Comment
  JROH82  Polypodium californicum John H. Thomas 1977-4-2 18510 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  CAS-BOT-BC76804  Polypodium glycyrrhiza W. R. Dudley 1898-3-5 s.n. San Mateo Santa Cruz Peninsula - King's Mountain Comment
  CAS-BOT-BC72111  Polypodium scouleri L. R. Abrams 1926-5-26 11217 San Mateo San Bruno Hills near Daly City Comment
  UC931949  Polypodium scouleri Verne Grant and Alva Grant 1946-8-30 7851 San Mateo ranch 1 mi s of Daly City (on Hwy. 5) Comment
  CAS-BOT-BC72108  Polypodium scouleri Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo Wax Myrtle Ravine Comment
  CAS-BOT-BC233160  Polypogon interruptus P. R. Hichborn 1920-5-13 217 San Mateo Santa Cruz Peninsula. Salt marshes N of Palo Alto Comment
  POM199082  Polypogon interruptus A. D. E. Elmer 1903-07 4694 San Mateo Pilarcitos Stone Dam. Comment
  JROH5439  Polypogon monspeliensis H. J. Dengler 1961-7-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek not far from where it trends east from Jasper Ridge. Comment
  JROH5441  Polypogon monspeliensis John H. Thomas 1963-6-23 10160 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5442  Polypogon monspeliensis John H. Thomas 1965-12-19 11458 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along road near Searsville Lake. Comment
  JROH47  Polystichum dudleyi Lawrence J. Winship 1974-11-16 10 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  CAS-BOT-BC72220  Polystichum dudleyi W. R. Dudley 1894-3-24 s.n. San Mateo Near bridge below La Honda Comment
  CAS-BOT-BC76608  Polystichum munitum J. H. Thomas 1949-3-29 198 San Mateo King's Mountain Comment
  CAS-BOT-BC76609  Polystichum munitum D. E. Breedlove 1973-9-26 35557 San Mateo Pescadero Creek County Park 365 Comment
  UC4940  Populus alba J. Burtt Davy Jun 21 1893-Jun 23 1893 1128 San Mateo Millbrae Comment
  RSA195521  Populus trichocarpa John H. Thomas 1966-4-13 11557 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  JROH3361  Portulaca oleracea John Hunter Thomas 1985-8-7 23708 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA800120  Potamogeton illinoensis Peter Rubtzoff 1965-10-19 5664 San Mateo Pilarcitos Lake. Comment
  SEINET3825842  Potamogeton lucens N. L. Gardner 1933-9-24 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC453746  Potamogeton natans Roxana S. Ferris 1920-9-3 2043 San Mateo Santa Cruz Mountain Peninsula. Upper Mud Lake, Coal Mine Ridge Comment
  UCR141402  Potamogeton pectinatus 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-BC143408  Potentilla Elizabeth McClintock 1974-11-8 s.n. San Mateo On north side of Guadalupe Parkway Comment
  SEINET11916088  Potentilla anserina Unknown 1930-1 9004 San Mateo Half Moon Bay Comment
  CHSC56585  Potentilla anserina subsp. pacifica Steven Triano 1988-5-24 211 San Mateo Located ca 750 ft s of Hwy. 1 and 2.9 mi s of Pigeon Point Light Station. 24 Comment
  SEINET5568963  Potentilla glandulosa H. S. Gentry 1931-1 83 San Mateo 1 mile SE of Holy Cross Cemetery. Comment
  POM203299  Potentilla hickmanii E. C. Satlife 1933-11-10 s.n. San Mateo Moss Beach Comment
  CAS-BOT-BC516349  Prosartes hookeri J. H. Thomas 1954-4-3 3819 San Mateo Along San Gregorio Creek about 1.5 miles west of La Honda 106 Comment
  JROH4667  Prosartes hookeri W. R. Dudley 1898-4-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET12044826  Prosartes hookeri C. F. Baker 1903-1 5052 San Mateo Crystal Springs Lake Comment
  SEINET8502087 Image available Prosartes smithii L. M. Henry, M. E. Springer 1946-7-21 372 San Mateo La Honda Comment
  JROH3751  Prunus John Hunter Thomas 1981-4-5 20290 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek Comment
  UC311189  Prunus emarginata A. D. E. Elmer May, 1903 4523 San Mateo Searsville Lake Comment
  CAS-BOT-BC154499  Prunus ilicifolia Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo Buckeye Canyon Comment
  RSA454145  Prunus ilicifolia L. M. Booth 1932-10-29 2119 San Mateo San Bruno Mountain. 61 Comment
  CAS-BOT-BC154652  Prunus subcordata Adoph Holme 1929-4-1 s.n. San Mateo Berenda Farm near Redwood City Comment
  UC311194  Prunus subcordata A. D. E. Elmer April, 1903 4583 San Mateo Portola Comment
  CAS-BOT-BC156360  Prunus virginiana var. demissa Margaret A. Barry 1937-5-15 113 San Mateo Woods on Coal Mine Ridge Comment
  CAS-BOT-BC156361  Prunus virginiana var. demissa George Oberlander 1949-6-25 245 San Mateo Pilarcitos Canyon Comment
  CAS-BOT-BC356472  Pseudognaphalium beneolens James McMurphy 1905-10-15 s.n. San Mateo Goat Ranch near Stanford University Comment
  JROH753  Pseudognaphalium californicum John H. Thomas 1958-5-10 7157 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH761  Pseudognaphalium californicum John H. Thomas 1975-5-26 17914 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA191946  Pseudognaphalium californicum R. F. Thorne, Percy C. Everett 1963-6-9 32231 San Mateo On top of San Bruno Mountain. 335 Comment
  SD30773  Pseudognaphalium luteoalbum Edith A. Purer 1933-8-13 5427 San Mateo Belmont, along roadside Comment
  UCD166153  Pseudognaphalium luteoalbum Jack Major; M. Forde and S. Bamberg 1962-4-3 737 San Mateo Above Coastways Ranch on Finney Creek. (Exact location unknown. Coordinates estimated by label maker). Comment
  CAS-BOT-BC344870  Pseudognaphalium luteoalbum Peter Rubtzoff 1977-4-14 8947 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. Comment
  CAS-BOT-BC413801  Pseudognaphalium luteoalbum Robert I. Gilbreath 1977-8-16 105 San Mateo Hillsborough. Cultivated garden area at 366 Alberta Way 160 Comment
  JROH776  Pseudognaphalium luteoalbum John H. Thomas 1974-10-29 17649 San Mateo Jasper Ridge Biological Preserve, Stanford University; small peninsula created by drainage channel cut to accomodate water from Corte Madera Cr. Comment
  SDSU3737  Pseudognaphalium microcephalum D. F. Howe 1964-8-13 3958 San Mateo Near ocean on #1; near San Francisco Co. line. Comment
  CAS-BOT-BC344871  Pseudognaphalium ramosissimum Peter Rubtzoff 1978-9-16 9267 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. Comment
  CAS-BOT-BC357506  Pseudognaphalium ramosissimum W. R. Dudley 1895-9-15 s.n. San Mateo Santa Cruz Mountain Peninsula. El Corte Madera Comment
  CAS-BOT-BC361567  Pseudognaphalium stramineum Phillip C. Wheeler 1965-6-19 s.n. San Mateo San Bruno Mountain. Brisbane Lagoon Comment
  CAS-BOT-BC361560  Pseudognaphalium stramineum Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain. Quarry 3 Comment
  CAS-BOT-BC361566  Pseudognaphalium stramineum Phillip Wheeler 1965-5-17 s.n. San Mateo San Bruno Mountain. Cow Palace area Comment
  UCD135229  Pseudognaphalium stramineum Lewis S. Rose 1966-8-6 66079 San Mateo San Bruno Mountain, head of Colma Canyon. 121 Comment
  UCSC007772  Pseudognaphalium stramineum Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  RSA15295  Pseudotsuga menziesii C. B. Wolf 1927-4-3 265 San Mateo 1 mile above La Honda. Santa Cruz Mountains Comment
  NY63952  Pseudotsuga menziesii var. menziesii A. D. E. Elmer 04 1903 4562 San Mateo King's Mountain Comment
  UCSC007773  Pseudotsuga menziesii var. menziesii Becky Hendricks, Chris Lay 2012-6-22 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC362027  Psilocarphus tenellus Le Roy Abrams 1902-5-20 2477 San Mateo Kings Mountain Road Comment
  JROH1193  Psilocarphus tenellus John Hunter Thomas 1989-5-9 24711 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC362018  Psilocarphus tenellus George Oberlander No date on label 918 San Mateo San Francisco Watershed Reserve Comment
  CAS-BOT-BC362026  Psilocarphus tenellus Ned Cahill 1975-2-21 408 San Mateo Chaparral near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC72658  Pteridium aquilinum Elizabeth McClintock; David Schooly; Kim Marcus 1975-4-13 s.n. San Mateo above Hillside Blvd., South San Francisco Comment
  CAS-BOT-BC72660  Pteridium aquilinum Margaret Barry 1937-5-15 103 San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC72659  Pteridium aquilinum George Oberlander 1950-7-15 1120 San Mateo Pilarcitos Canyon Comment
  UCD18553  Puccinellia lemmonii Roman Gankin 1950-7-15 27 San Mateo city of Menlo Park, Hermosa Way, along roadside. 30 Comment
  UCD92954  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
  JROH2532  Quercus John H. Thomas 1974-4-24 17183 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC104410  Quercus X subconvexa Lewis S. Rose 1964-9-5 64069 San Mateo Emerald Lake, W of Redwood City 243 Comment
  UCD45079  Quercus agrifolia Jonh M. Tucker 1994-9-9 s.n. San Mateo Tree ca. 40 ft. tall. Huddart Park on NE factoring slope nr. Miwok Shelter. Ca. 1200 ft. elev. San Mateo County 365 Comment
  SBBG32402  Quercus agrifolia var. agrifolia L. S. Rose 1964-3-23 64012 San Mateo Emerald Lake, W of Redwood City 121 Comment
  JROH2469  Quercus douglasii L. R. Abrams 1904-5-5 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; on old road to the McDonough Ranch Comment
  JROH2538  Quercus douglasii Carol Zabel 2004-8-11 52 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 15 between Vestal's exclosure and intersection with Trail 16, north side of trail Comment
  JROH5804  Quercus douglasii John Rawlings, Bill Gomez 2016-7-28 1911 B San Mateo Jasper Ridge Biological Preserve, Stanford University; north side Rd F in blue oak woodland west of serpentine prairie 182 Comment
  CAS-BOT-BC94276  Quercus durata John H. Thomas 1969-10-19 15486 San Mateo near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  RSA169307  Quercus durata L. S. Rose 1964-9-5 64068 San Mateo Emerald Lake, W of Redwood City. 244 Comment
  SEINET13953377 Image available Quercus durata Lewis S. Rose 1964-1 64068 San Mateo W. of Redwood City; alt. ca. 800 ft. 244 Comment
  CAS-BOT-BC94266  Quercus garryana Peter H. Raven 1949-6-13 824 San Mateo Belmont 121 Comment
  JROH2498  Quercus kelloggii E. A. McGregor 1909-3-20 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2511  Quercus kelloggii John Hunter Thomas 1988-4-6 24372 San Mateo Jasper Ridge Biological Preserve, Stanford University; along road near dam Comment
  POM216555  Quercus kelloggii D. D. Keck 1932-3-6 1395 San Mateo La Honda road above Searsville Lake, Santa Cruz Mountains. Comment
  POM223170  Quercus kelloggii S. S. Berry 1909-3-13 s.n. San Mateo Road below Woodside. 91 Comment
  POM270254  Quercus kelloggii Lyman Benson 1930-5-3 21100 San Mateo Above Woodside, Mt. Range: Santa Cruz 366 Comment
  RSA152240  Quercus kelloggii I. L. Wiggins 1925-04 1664 San Mateo On Kings Mtn Rd 3/4 mile above Woodside. Comment
  JROH2518  Quercus lobata John H. Thomas 1968-4-19 14299 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD38233  Quercus lobata Delzie Demaree 1929-10-17 3678 San Mateo King's Mountain Comment
  CAS-BOT-BC62890  Quercus lobata W. R. Dudley 1893-11-19 s.n. San Mateo By Alpine road up Black Mt. Comment
  CAS-BOT-BC134789  Quercus wislizeni Josephine D. Randall 1907-4-27 s.n. San Mateo Santa Cruz Peninsula. Kings Mt. Road Comment
  SEINET13954082 Image available Quercus wislizeni John Thomas Howell 1964-1 40961 San Mateo Portola State Park Comment
  JROH3471  Ranunculus californicus John H. Thomas 1974-4-6 17090 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM268178  Ranunculus californicus Lyman Benson 1930-5-3 2101 San Mateo Santa Cruz Mt. 244 Comment
  RSA400645  Ranunculus californicus E. S. Spalding 1923-8-3 s.n. San Mateo Near Pulgas Tunnel. Comment
  UCD95985  Ranunculus californicus R. S. Woglum 1935-5-25 1156 San Mateo San Francisco area, Skyline Drive. Comment
  CAS-BOT-BC378548  Ranunculus californicus var. californicus Ira L. Wiggins 1941-4-17 9719 San Mateo Roadside near junction of road to California Sanitarium and Woodside-Half Moon Bay road Comment
  CAS-BOT-BC378545  Ranunculus californicus var. californicus Elizabeth McClintock; David Schooly; Marcus 1975-4-13 s.n. San Mateo grassy slope above Hillside Blvd., South San Francisco Comment
  CAS-BOT-BC378550  Ranunculus californicus var. californicus Paul F. Covel 1937-4-15 644 San Mateo Hgwy no. Half Moon Bay Comment
  RSA132486  Ranunculus californicus var. cuneatus John H. Thomas 1950-3-19 1307 San Mateo Near intersection of Coast Hwy and road to Swanton, 1 mile SE of mouth of Waddell Creek. 30 Comment
Read comments
Nov 16 2021
  RSA0030883  Ranunculus californicus var. cuneatus Lyman Benson 1930-3-2 1947 San Mateo Moss Beach. 15 Comment
  JROH3478  Ranunculus hebecarpus John H. Thomas 1971-4-25 15788 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3488  Ranunculus hebecarpus John Hunter Thomas 1985-5-2 23583 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA176765  Ranunculus hebecarpus John H. Thomas 1963-4-13 10033 San Mateo Jasper Ridge Biological experimental area, 5 miles SW of Palo Alto. Comment
  CAS-BOT-BC83420  Ranunculus lobbii W. R. Dudley 1904-4-10 s.n. San Mateo Near junction of Page Mill Road and Skyline Boulevard. Comment
  JEPS67906  Ranunculus lobbii L. R. Heckard and J. H. Thomas 1972-4-16 2889 San Mateo ca 1 1/2 mi s Pulgas Water Temple (along old Canada road (private), sw of Upper Crystal Springs Reservoir) 121 Comment
  POM269867  Ranunculus lobbii Roxana S. Ferris 1918-3-31 s.n. San Mateo Mud Lakes, Coal Mine Ridge Comment
  RSA181388  Ranunculus muricatus James I. McMurphy 1909-6-13 s.n. San Mateo San Bruno Hills. Comment
  UC162558  Ranunculus muricatus Harley P. Chandler 1901-3-15 798 San Mateo marshes w Colma; Region of San Francisco Bay Comment
  RSA10410  Ranunculus muricatus Carl B. Wolf 1927-6-15 2164 San Mateo Along Skyline Drive, 8 mi. S of San Francisco. Comment
  POM148951  Ranunculus orthorhynchus var. bloomeri A. D. E. Elmer 1903-06 4665 San Mateo San Pedro. Comment
  UC827645  Ranunculus orthorhynchus var. bloomeri Lewis S. Rose 1937-4-30 37241 San Mateo Brisbane 6 Comment
  POM269795  Ranunculus pusillus W. R. Dudley 1906-5-8 s.n. San Mateo Road betw woodside and Byrnes store Comment
  UCD97311  Ranunculus trilobus Phil Greer 2002-4-17 s.n. San Mateo Hwy 101, in Half Moon Bay. Comment
  CAS-BOT-BC74340  Raphanus sativus Fred Hemphill 1973-3-9 642 San Mateo San Carlos. North of Malabar Road and Melendy Drive. 207 Comment
  POM283036  Rhamnus californica Lyman Benson 1934-7-29 6110 San Mateo Crystal Springs Lake; Mt. Range: Santa Cruz; Watershed: S. F. Bay. 152 Comment
  RSA100994  Rhamnus californica G. Oberlander 1949-7-30 246 San Mateo Crest of Sweeney Ridge, San Francisco Watershed reserve Comment
  CAS-BOT-BC55893  Rhamnus crocea Carl B. Wolf 1928-3-16 1540 San Mateo Jasper Ridge, near Searsville Lake Comment
  CAS-BOT-BC56668  Rhododendron occidentale A. D. E. Elmer 1903-6-1 4298 San Mateo Butano Creek Comment
  CAS-BOT-BC56669  Rhododendron occidentale W. R. Dudley 1908-9-21 s.n. San Mateo Pescadero Cr. (Iversons') Comment
  POM132207  Rhododendron occidentale var. occidentale A. D. E. Elmer 1903-06 4298 San Mateo Butano Creek Comment
  JROH2632  Ribes aureum var. gracillimum D. E. Breedlove 1971-5-31 19354 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JEPS49318  Ribes californicum W. L. Jepson 1922-3-19 9543 San Mateo Lake San Andreas 182 Comment
  CAS-BOT-BC93001  Ribes californicum var. californicum Walter Knight; Irja Knight 1965-3-21 963 San Mateo San Bruno Mountain. Near road at summit at head of Buckeye Canyon. Comment
  CAS-BOT-BC93008  Ribes californicum var. californicum H. A. Dutton 1900-2-1 s.n. San Mateo Santa Cruz Peninsula. Comment
  CAS-BOT-BC93011  Ribes californicum var. californicum Adoph Holme 1929-4-1 s.n. San Mateo Berenda Farm near Redwood City. Comment
  JROH2646  Ribes californicum var. californicum John Hunter Thomas 1982-2-19 20802 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Goya Gate Comment
  JROH2649  Ribes californicum var. californicum John Hunter Thomas 1983-2-21 21280 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Escobar Gate Comment
  UCR70845  Ribes californicum var. californicum L. S. Rose 1949-3-18 49007 San Mateo San Francisco Bay Region, Hillsides west of Belmont 91 Comment
  JROH2657  Ribes divaricatum var. pubiflorum John Hunter Thomas 1992-4-7 25132 San Mateo Jasper Ridge Biological Preserve, Stanford University. Causeway. Comment
  RSA0025026  Ribes divaricatum var. pubiflorum L. S. Rose 1965-3-16 65008 San Mateo Searsville Lake. 122 Comment
  CAS-BOT-BC173471  Ribes malvaceum Fred Hemphill 1973-4-15 643 San Mateo San Carlos. Area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC173476  Ribes malvaceum W. R. Dudley 1893-1-1 s.n. San Mateo Near Belmont Comment
  CAS-BOT-BC173477  Ribes malvaceum George Oberlander 1949-2-2 5 San Mateo Crest of Sweeney Ridge Comment
  CAS-BOT-BC212809  Ribes menziesii A. D. E. Elmer 1903-4-1 4496 San Mateo Portola Comment
  CAS-BOT-BC212824  Ribes menziesii W. R. Dudley 1894-3-23 s.n. San Mateo By La Honda Road Comment
  CAS-BOT-BC212841  Ribes menziesii J. H. Thomas 1949-3-29 188 San Mateo King's Mountain Comment
  CAS-BOT-BC212846  Ribes menziesii L. R. Abrams 1912-3-30 4999 San Mateo Pescadero Creek near Iverson's Comment
  UC11716  Ribes menziesii J. Burtt Davy Jun 21 1893-Jun 23 1893 1148 San Mateo Pilarcitos Lake and Canyon Comment
  UC566015  Ribes menziesii G. E. Sindel 1935-8-13 330 San Mateo San Gregorio Creek Santa Cruz Quadrangle 91 Comment
  CAS-BOT-BC212823  Ribes menziesii W. R. Dudley 1910-5-8 s.n. San Mateo Joli's ranch. Top of Santa Cruz Mt. Range Comment
  RSA0021752  Ribes menziesii var. leptosmum I. L. Wiggins 1929-3-23 3374 San Mateo Road to Mud Lake, near Stanford University Comment
  RSA0021753  Ribes menziesii var. leptosmum S. S. Berry 1909-2-27 s.n. San Mateo Roadside near Adalanta Villa. 46 Comment
  JEPS48600  Ribes sanguineum Elsa Kraeger 1926-2-21 San Mateo La Honda Comment
  CAS-BOT-BC144603  Ribes sanguineum var. glutinosum J. H. Thomas 1955-3-18 4693 San Mateo About 6 milesup Tunitas Road from Ocean 335 Comment
  CAS-BOT-BC144636  Ribes sanguineum var. glutinosum W. R. Dudley 1894-3-29 s.n. San Mateo Between Half Moon Bay and Woodside Comment
  CAS-BOT-BC144637  Ribes sanguineum var. glutinosum W. R. Dudley 1894-3-23 s.n. San Mateo Canada Creek, near La Honda Comment
  SEINET12220348  Ribes sanguineum var. glutinosum Unknown 1932-1 8919 San Mateo La Honda Road to Sky Line Drive Comment
  CAS-BOT-BC207160  Ricinus communis J. H. Thomas 1960-11-11 8925 San Mateo Along Skyline Blvd., 1.1 mile S of intersection of Skyline Blvd. and Mill brae Avenue. Comment
  CAS-BOT-BC363084  Rigiopappus leptocladus C. F. Baker 1902-5-4 754 San Mateo Woodside Comment
  CAS-BOT-BC363094  Rigiopappus leptocladus Le Roy Abrams 1902-5-4 2401 San Mateo Woodside Comment
  CAS-BOT-BC363093  Rigiopappus leptocladus Elizabeth McClintock 1978-4-24 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  SJSU16041  Romulea rosea var. australis John Rawlings, Toni Corelli 2016-4-29 1760 San Mateo Cascade Creek Trail, Ano Nuevo State Park 21 Comment
  CAS-BOT-BC74649  Rorippa curvisiliqua W. R. Dudley 1906-6-10 s.n. San Mateo Santa Cruz Mountain Peninsula. South Cahil Ridge. Comment
  CAS-BOT-BC74651  Rorippa curvisiliqua W. R. Dudley 1909-10-31 s.n. San Mateo Santa Cruz Mountain Peninsula. Woodside Valley Ponds. Comment
  JROH1578  Rorippa palustris subsp. palustris James McMurphy 1906-8-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Comment
  CHSC56587  Rosa californica Steven Triano 1988-5-24 173 San Mateo Along w side of Old La Honda Road ca 0.6 mi s of Portola Road and 3.8 mi s of Woodside. 201 Comment
  UC527528  Rosa californica C. B. Wolf 1931-8-20 2327 San Mateo 2 mi back of Stanford University (near Schenckels Camp); Los Trancos Creek 91 Comment
  JROH3758  Rosa gymnocarpa var. gymnocarpa W. R. Dudley 1898-4-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET10736898 Image available Rosa gymnocarpa var. gymnocarpa Adolph D. E. Elmer Elmer 4923 San Mateo Pescadero. Comment
  CAS-BOT-BC152833  Rubus parviflorus Josephine D. Randall 1907-7-28 345 San Mateo Iverson's near Peter's Creek - Santa Cruz Peninsula Comment
  CDA33988  Rubus parviflorus D. G. Kelch 2011-3-13 11 .057 San Mateo Near Half Moon Bay along Capistrano Creek. Comment
  JROH3776  Rubus parviflorus John Hunter Thomas 1985-5-22 23683 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA51270  Rubus parviflorus var. velutinus Peter H. Raven 1950-4-30 51270 San Mateo Montara Mtns. Ca 1/2 mile N of Montara. 91 Comment
  CDA3942  Rubus ulmifolius var. inermis M. Leonard 1945-7-6 San Mateo Redwood City. 0 Comment
  CAS-BOT-BC157070  Rubus ursinus Alice Eastwood; John Thomas Howell 1938-6-26 6055 San Mateo Near Pescadero Comment
  CAS-BOT-BC157071  Rubus ursinus L. R. Abrams 1914-10-14 5128 San Mateo [Tunitos Canon] Tunitas Canyon 121 Comment
  CDA33981  Rubus ursinus D. G. Kelch 2011-3-13 11 .055 San Mateo Near Half Moon Bay along Capistrano Creek. Comment
  JROH3779  Rubus ursinus John H. Thomas 1977-4-29 18574 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC422081  Rumex acetosella John H. Thomas 1964-4-30 10362 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  CHSC1352  Rumex acetosella D. Stover 1929-5-10 San Mateo Half Moon Bay. Comment
  CAS-BOT-BC422086  Rumex acetosella Elizabeth McClintock 1967-4-16 s.n. San Mateo San Bruno Mountain. Buckeye Canyon. Comment
  CAS-BOT-BC422087  Rumex acetosella Elizabeth McClintock 1965-3-28 s.n. San Mateo San Bruno Mountain. Between April Brook and Radio Road. Comment
  CAS-BOT-BC422090  Rumex acetosella Elizabeth McClintock; Paul Reeberg 1989-8-31 s.n. San Mateo San Bruno Mountains. Willow Pond. Comment
  SD1201  Rumex acetosella U. S. Grant IV 1925-6-5 San Mateo San Mateo Comment
  UCD101037  Rumex acetosella E. M. Johnston 1916-6-1 11 San Mateo Millbrae. Comment
  CAS-BOT-BC433541  Rumex fueginus Roxana S. Ferris 1917-10-19 729 San Mateo Margin of Crystal Springs Lake Comment
  JROH5731  Rumex salicifolius John Rawlings 2013-5-21 1198 San Mateo Jasper Ridge Biological Preserve, Stanford University; moist ditch along east side of road E opposite intersection of trail 14 116 Comment
  UC569569  Rumex salicifolius var. crassus James Arata Karakawa 1937-10-20 228 San Mateo near Montara Comment
  JROH2212  Rupertia physodes John H. Thomas 1971-5-30 15955 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2218  Rupertia physodes John Hunter Thomas 1980-4-10 19865 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA112462  Rupertia physodes Ynez Henderson 1920-05 s.n. San Mateo Near Searsville Lake. Comment
  UC311105  Rupertia physodes A. D. E. Elmer June, 1903 4270 San Mateo Crystal Springs Lake Comment
  RSA112461  Rupertia physodes Paul R. Hichborn 1920-5-3 174 San Mateo San Francisquito Creek near Searsville. Comment
  SEINET12155887  Rupertia physodes Unknown 1932-1 9168 San Mateo Los Francos Woods Comment
Read comments
Nov 1 2021
  UCD81851  Rupertia physodes Alan T. Whittemore 1976-5-31 135 San Mateo Alpine Road, near east end of Corte Madera Creek Trail. Mixed evergreen forest. Sequoia in sheltered spots. Acer, Quercus and Alnus in open areas and by stream. Flowers past, originally purple. Trailing on forest floor. Foliage with somewhat unpleasant odor. Comment
  SEINET11763346  Ruppia maritima L. S. Rose 1936-1 36724 San Mateo Granada 2 Comment
  SEINET11763715  Ruppia maritima H. L. Mason 1921-1 s.n. San Mateo Pebble Beach, near Pescadero Comment
  SEINET3837363  Ruppia maritima Unknown 1946-4-30 s.n. San Mateo .5 mile north of Redwood City Comment
  JROH1714  Sagina apetala John H. Thomas 1966-4-6 11548 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5580  Sagina apetala John Rawlings 2013-7-2 1200 San Mateo Jasper Ridge Biological Preserve, Stanford University; just downstream from Low Flow Crossing, San Francisquito Cr. 80 Comment
  POM216557  Salix laevigata D. D. Keck 1932-3-6 1392 San Mateo Searsville Lake. Comment
  POM222896  Salix laevigata S. S. Berry 1909-2-27 s.n. San Mateo Near Adalanto Villa. 46 Comment
  CAS-BOT-BC125369  Salix lasiandra var. lasiandra W. R. Dudley 1902-9-21 s.n. San Mateo Near Crystal Springs Lake Comment
  JROH3869  Salix lasiandra var. lasiandra John H. Thomas 1967-3-26 12415 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU7512  Salix lasiandra var. lasiandra Lewis S. Rose 1965-3-16 65007 San Mateo Searsville Lake 121 Comment
  UCD111575  Salix lasiandra var. lasiandra Lewis S. Rose 1965-3-16 65007 San Mateo Searsville Lake. 121 Comment
  POM281339  Salix lasiolepis Lyman D. Benson 1931-2-28 2612 San Mateo Above Woodside, King's Mtn. Santa Cruz mtn range. San Francisco Bay watershed. 244 Comment
  JROH3854  Salix lasiolepis John H. Thomas 1968-3-17 14176 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSC007752  Salix lasiolepis Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC108255  Salix lasiolepis var. bigelovii Peter H. Raven 1950-4-30 1981 San Mateo Along a stream in the Montara Mts. ca 1/2 mile N. of Montara 91 Comment
  CAS-BOT-BC108258  Salix lasiolepis var. bigelovii John H. Thomas 1974-5-7 17316 San Mateo San Bruno Mountain - along Guadalupe Parkway opposite school. Western side of mountain. Comment
  CAS-BOT-BC124484  Salix lasiolepis var. lasiolepis W. R. Dudley 1894-7-11 s.n. San Mateo San Francisquito Cr. near Cedro Cottage, Stanford University Comment
  CAS-BOT-BC124493  Salix lasiolepis var. lasiolepis W. R. Dudley 1894-3-23 s.n. San Mateo Corte de Madera Creek, Portola Valley Comment
  CAS-BOT-BC128243  Salix lucida James McMurphy 1906-3-9 s.n. San Mateo By water trough, Kings Mountain Comment
  CAS-BOT-BC126485  Salix sitchensis W. R. Dudley 1906-3-18 s.n. San Mateo [King's] Kings Mt. Road Comment
  CAS-BOT-BC126488  Salix sitchensis Walter Knight; Irja Knight 1965-3-28 s.n. San Mateo Near junction of Colma Creek and April Brook Comment
  CAS-BOT-BC126492  Salix sitchensis Lewis S. Rose 1958-3-19 58010 male, 58011 female San Mateo Princeton 6 Comment
  CAS-BOT-BC126495  Salix sitchensis Phillip Wheeler 1966-10-16 s.n. San Mateo Crocker Industrial Park Comment
  CAS-BOT-BC126498  Salix sitchensis W. R. Dudley 1903-5-1 s.n. San Mateo From Peters Creek above Iverson's to old mill Comment
  CAS-BOT-BC126512  Salix sitchensis A. D. E. Elmer 1903-6-1 4786 San Mateo Lake San Andreas Comment
  CAS-BOT-BC126520  Salix sitchensis W. R. Dudley 1904-3-7 70 San Mateo Bear Gulch, Santa Cruz Mts. 213 Comment
  CAS-BOT-BC126521  Salix sitchensis W. R. Dudley 1897-4-19 s.n. San Mateo Bank of Pescadero Creek below Peters Creek Comment
  CDA33774  Salix sitchensis D. G. Kelch 2011-3-13 11 .051 San Mateo Pacifica. Along sea bluffs Comment
  POM167386  Salix sitchensis A. D. E. Elmer 1903-05 4917 San Mateo Portola. Comment
  POM87715  Salix sitchensis L. R. Abrams 1902-03 2272 San Mateo [Rim of?] Mountain Comment
  SJSU6456  Salsola soda H. T. Harvey 1971-7-15 570 San Mateo Faber Tract, E Palo Alto Comment
  RSA681663  Salvia brandegeei Annuschka Deb 1989-4-14 11458 San Mateo YBN Demonstration Garden, Woodside, CA Comment
  RSA681669  Salvia sonomensis Annuschka Deb 1989-4-19 114 San Mateo YBN Berm near parking lot Comment
  POM62871  Salvia spathacea C. F. Baker 1903-4-6 1878 San Mateo San Bruno Hills. Comment
  UC25752  Salvia spathacea Ivar Tidestrom May 1894 San Mateo Comment
  UC416705  Salvia spathacea Franklin P. Nutting 1892-1 San Mateo Comment
  RSA176527  Sambucus mexicana John H. Thomas 1963-6-23 10171 San Mateo Jasper Ridge Biological Experimental Area, about 5 mi SW of Palo Alto. Along road at Westridge end of ridge Comment
  POM46725  Sambucus microbotrys A. D. E. Elmer 1903-05 4663 San Mateo Butano Creek Comment
  CAS-BOT-BC246023  Sambucus nigra subsp. caerulea George Oberlander 1950-4-2 586 San Mateo Sawyer Ridge, San Francisco Watershed Reserve Comment
  HSC23950  Sambucus nigra subsp. caerulea Mary Katherine Wicksten 1971-6-17 23 San Mateo Huddart Park, along Rd. near Redwood Shelter. Comment
  OBI4270  Sambucus nigra subsp. caerulea Lewis S. Rose 1966-8-15 66084 San Mateo Pulgas Water Temple 91 Comment
  CAS-BOT-BC236455  Sambucus racemosa subsp. racemosa James B. Roof 1966-3-27 s.n. San Mateo Power Line Ridge, San Bruno Mountain Comment
  CAS-BOT-BC236458  Sambucus racemosa subsp. racemosa A. D. E. Elmer 1903-6-1 5080 San Mateo Butano Creek Comment
  CAS-BOT-BC235073  Sambucus racemosa var. racemosa A. D. E. Elmer 1903-5-1 4663 San Mateo Butano Creek Comment
  CAS-BOT-BC235074  Sambucus racemosa var. racemosa W. R. Dudley 1893-3-24 s.n. San Mateo Santa Cruz Mountain Peninsula. Pescadero Creek Comment
  JEPS13391  Sambucus racemosa var. racemosa W. L. Jepson 1910-8-17 4157 San Mateo Tunitas Creek; near the sea Comment
  RSA470980  Sanicula arctopoides Glenn A. Gorelick 1967-2-10 s.n. San Mateo San Bruno Mountains, overlooking Daly City near San Francisco. Comment
  OBI8787  Sanicula arctopoides Lewis S. Rose 1965-3-25 65012 San Mateo San Bruno Mts. N end 122 Comment
  SEINET6205025  Sanicula arctopoides L. S. Rose 1965-1 65012 San Mateo San Bruno Mts, N end. Comment
  JEPS127773  Sanicula bipinnatifida Adam C. Schneider with C. Matt Guilliams 2013-3-9 49 San Mateo Comment
  JROH325  Sanicula bipinnatifida John Hunter Thomas 1977-4-28 18561 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1084385  Sanicula bipinnatifida G. Thomas Robbins 1937-4-11 91 San Mateo near Spring Valley Lakes (along road to Woodside) Comment
  CDA39078  Sanicula crassicaulis M. K. Beyers 2013-3-3 s.n. San Mateo Montara State Beach, McNee Ranch Trail Trailhead. Comment
  JROH330  Sanicula crassicaulis John H. Thomas 1963-6-23 10167 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Westridge end of ridge Comment
  JROH331  Sanicula crassicaulis John H. Thomas 1967-5-12 12877 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA667078  Sanicula crassicaulis George K. Helmkamp, E. Helmkamp 2001-6-2 6784 San Mateo Central CA coast: Purissima Crk Rd, E of Half Moon Bay at Purissima Crk, 3.2 mi E of CA-1 244 Comment
  JROH365  Scandix pecten-veneris John Hunter Thomas 1991-5-2 25013 San Mateo Jasper Ridge Biological Preserve, Stanford University; Goya Gate Comment
  CAS-BOT-BC111415  Schoenoplectus acutus var. occidentalis Rimo Bacigalupi 1922-5-25 s.n. San Mateo Emerald Lake, Redwood City Comment
  CAS-BOT-BC111605  Schoenoplectus californicus Herbert L. Mason; Verne Grant 1946-8-28 13092 San Mateo Pond, Highway 5, about 3 miles south of Daly City Road. Comment
  CAS-BOT-BC519009  Scoliopus bigelovii W. E. Mason 1917-4-1 s. n. San Mateo La Honda Grade Comment
  POM193871  Scoliopus bigelovii W. R. Dudley 1895-3-5 s.n. San Mateo Kings Mt.; Plants of the Santa Cruz Peninsula. 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
  CHSC39825  Scrophularia californica Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  CDA41914  Scrophularia californica T. C. Fuller 1971-6-1 19883 San Mateo East shore of Crystal Springs Reservoir at junction of Highways 280 and 92. 0 Comment
  RSA46817  Scrophularia californica Doris K. Kildale 1929-6-19 8011 San Mateo 1.5 miles from La Honda. Comment
  UCD124850  Scrophularia californica R. S. Woglum 1935-5-25 1167 San Mateo Southeast San Mateo County: San Francisco area, Skyline Drive to Big Basin. Comment
  CAS-BOT-BC376418  Scrophulariaceae Greg de Nevers 2001-9-26 12630 San Mateo Palo Alto. Comment
  JROH2888  Scutellaria tuberosa John Hunter Thomas 1986-5-17 24054 San Mateo Jasper Ridge Biological Preserve, Stanford University; creek trail downstream from Rattlesnake Rock Comment
  CAS-BOT-BC59062  Sedum spathulifolium H. L. Mason 1921-7-1 s.n. San Mateo Pescadero Creek Comment
  RSA0074736  Sedum spathulifolium A. D. E. Elmer 1903-06 4550 San Mateo Toward San Mateo from Crystal Springs Lake. Comment
  CAS-BOT-BC363398  Senecio aronicoides Fred Hemphill 1973-4-22 827 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC363385  Senecio aronicoides W. R. Dudley 1893-5-27 s.n. San Mateo Santa Cruz Peninsula. Near Summit Springs - Kings Mt. Comment
  CAS-BOT-BC363388  Senecio aronicoides D. E. Breedlove 1963-5-24 4978 San Mateo In San Andreas Valley below San Andreas Lake Comment
  CAS-BOT-BC363395  Senecio aronicoides Le Roy Abrams 1902-5-4 2398 San Mateo Hills back of Redwood Comment
  RSA0012756  Senecio aronicoides C. F. Baker 1902-5-4 746 San Mateo Woodside. Comment
  CAS-BOT-BC353468  Senecio jacobaea Peter Rubtzoff 1975-10-24 8434 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction. Uppermost part of East Fork Colma Creek, at the northwest corner of Fog Forest, San Bruno Mountains. Comment
  RSA152057  Senecio sylvaticus John H. Thomas 1961-5-7 9272 San Mateo San Bruno Mountain, in northern part of county. 305 Comment
  CAS-BOT-BC364238  Senecio sylvaticus Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo San Bruno Mountain. East facing slope below parking lot Comment
  CAS-BOT-BC85781  Sequoia sempervirens E. G. Dudley 1904-1-21 74 San Mateo Santa Cruz Mts., Canada de Raymundo 274 Comment
  SEINET3876338 Image available Sequoia sempervirens Clipper Watene 1965-7-31 40 San Mateo Along Hwy. 84, one mi north of La Honda.; 0 Comment
  UC118916  Sequoia sempervirens C. F. Baker 1902-1-15 319 San Mateo w side of King's Mountain Coast Range, King's Mountain Comment
  UC405205  Sequoia sempervirens unknown 1874-1-1 San Mateo Comment
  UC766822  Sequoia sempervirens R. F. Hoover 1941-2-12 4756 San Mateo above La Honda; La Honda Creek Comment
  IRVC7617  Sequoia sempervirens P. W. Rundel 1962-4-12 1020 San Mateo 2 mi. E of Sky Line Hwy, on La Honda Road. Coast Range 610 Comment
  SJSU10484  Setaria viridis S. H. Casey 1975-6-14 490 San Mateo by residence, SW Redwood City Comment
  CDA6642  Sherardia arvensis Wm. Davis 1958-6-5 San Mateo San Bruno. 0 Comment
  RSA448568  Sidalcea diploscypha L. S. Rose 1936-5-28 36300 San Mateo Emerald lake, W. of Redwood City. 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
  SEINET11982183  Sidalcea malviflora G. A. McCallum 1933-1 s.n. San Mateo back of Stanford Campus Comment
  UC676738  Sidalcea malviflora subsp. laciniata Reed C. Rollins 1941-3-22 2949 San Mateo 1 mi n Belmont; n of Belmont Comment
  JEPS48780  Sidalcea malviflora subsp. laciniata James G. Daly 1934-1 211 San Mateo branch of La Honda Canyon Santa Cruz Mts., , La Honda Canyon (San Gregorio Watershed) Comment
  JROH2972  Sidalcea malviflora subsp. malviflora John Hunter Thomas 1981-4-21 20465 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM203640  Sidalcea malviflora subsp. malviflora J. T. Howell 1933-4-9 10975 San Mateo 2 miles N. of Pigeon Pt. Comment
  RSA18461  Sidalcea malviflora subsp. malviflora Carl B. Wolf 1927-6-29 547 San Mateo South of Pebble Beach near Pescadero. Comment
  JROH2971  Sidalcea malviflora subsp. malviflora John Hunter Thomas 1981-4-5 20271 San Mateo Jasper Ridge Biological Preserve, Stanford University; near lake Comment
  UC311135  Silene californica A. D. E. Elmer June, 1903 4446 San Mateo Crystal Springs Lake Comment
  JROH1730  Silene gallica John H. Thomas 1965-4-28 10595 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1734  Silene gallica John Hunter Thomas 1977-6-16 18756 San Mateo Jasper Ridge Biological Preserve, Stanford University; near old racing oval Comment
  CAS-BOT-BC386859  Silene gallica George Oberlander 1949-4-23 811 San Mateo Sawyer Ridge Comment
  JROH1726  Silene laciniata subsp. californica Richard L. Garber 1971-7-13 91 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1729  Silene laciniata subsp. californica John Hunter Thomas 1989-6-17 24775 San Mateo Jasper Ridge Biological Preserve, Stanford University; near San Francisquito Creek Comment
  RSA477822  Silene scouleri Glenn A. Gorelick 1967-5-12 s.d. San Mateo San Bruno Mts; overlooking Daly City near San Francisco. Comment
  CAS-BOT-BC389892  Silene scouleri subsp. scouleri John H. Thomas 1961-8-27 9705 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC364855  Silybum marianum W. Knight; I. Knight 1964-5-4 s.n. San Mateo San Bruno Mountain. Crocker Hills Comment
  CAS-BOT-BC364858  Silybum marianum W. R. Dudley 1893-6-8 s.n. San Mateo Santa Cruz Peninsula. Cedro Cottage, Stanford University Comment
  POM273726A  Sisymbrium officinale Lyman Benson 1935-5-5 6533 San Mateo Lake Searsville; Santa Cruz Mt. Range. S. F. Bay watershed 152 Comment
  CAS-BOT-BC75352  Sisymbrium officinale Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountains. Crocker Avenue. Comment
  CHSC39827  Sisyrinchium bellum Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  CHSC90614  Sisyrinchium bellum Diane Mastalir 1988-3-27 3 San Mateo 10 yds s of jcn hwy 92 and hwy 35. Roadside. 91 Comment
  SD227685  Sisyrinchium bellum G. K. Helmkamp, E. A. Helmkamp 1998-5-16 3746 San Mateo Portola Valley: Golden Hills Rd along Los Trancos Creek. 106 Comment
  IRVC9060  Sisyrinchium bellum P. W. Rundel 1963-6-11 1129 San Mateo San Fransisco Bay drainage area; Old La Honda Road. Santa Cruz Mountain Range 305 Comment
  SEINET4171036  Sisyrinchium bellum Unknown 1925-3-17 San Mateo Burlingame 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
  SEINET5571650  Smilacina racemosa H. S. Gentry 1931-1 San Mateo Comment
  JROH4176  Solanum americanum John H. Thomas 1976-10-16 18413 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along or near San Francisquito Creek from the low flow crossing to the vicinity of the old fire place ruins downstream Comment
  UC625421  Solanum douglasii L. R. Abrams, I. L. Wiggins 1939-6-3 425 San Mateo Ano Nuevo Point Comment
  POM209654  Solanum douglasii D. D. Keck 1934-7-7 2970 San Mateo Ano Nuevo Point at Ano Nuevo Creek. Comment
  UCR247942  Solanum elaeagnifolium John Beall 2010-6-9 PDR- 1621662 San Mateo Brisbane; abandoned train tracks 10 m west of Tunnel Ave., south of Beatty Rd. One half mile south of Bayshore Caltrain station, near San Mateo/San Francisco county line 6 Comment
  RSA34830  Solanum physalifolium var. nitidibaccatum I. L. Wiggins 1945-9-22 11196 San Mateo Moss Beach. Comment
  JROH4186  Solanum umbelliferum John H. Thomas 1958-2-15 6988 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4189  Solanum umbelliferum John H. Thomas 1968-3-17 14192 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4190  Solanum umbelliferum John H. Thomas 1973-3-12 16496 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM87735  Solanum umbelliferum L. R. Abrams 1902-1-7 2262 San Mateo Kings Mts. Comment
  SEINET3162583  Solanum umbelliferum L. S. Rose 1939-2-26 39016 San Mateo Emerald Lake 183 Comment
  UCD166154  Solanum umbelliferum Jack Major; M. Forde and S. Bamberg 1962-4-3 738 San Mateo San Mateo County :On ridge above Scott Creek. (Exact location unknown. Coordinates estimated by label maker). Comment
  UCD40949  Solanum wallacei J. Skoss 1948-8-22 113 San Mateo San Vincente Canyon, near Montara. Comment
Read comments
Aug 8 2007
  SEINET11382904 Image available Solidago elongata Unknown 1931-1 s.n. San Mateo Kings Mt. Comment
  CAS-BOT-BC365743  Solidago spathulata L. R. Abrams 1909-8-2 4251 San Mateo Santa Cruz Peninsula. Pebble Beach, Pescadero Comment
  CAS-BOT-BC365744  Solidago spathulata Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountain. Motorcycle Ridge Comment
  JEPS29413  Solidago spathulata L. R. Heckard 1961-7-16 1260 San Mateo near summit San Bruno Mt. (ne-facing slope to the ne of transmitting station KQED) 304 Comment
  UC1555381  Solidago spathulata J. A. DeBenedictis 1988-7-13 1543 San Mateo San Bruno Mountain Comment
  LA203968  Solidago velutina subsp. californica U. S. Grant; 1926-9-6 IV San Mateo Kuiqs Mountain 609 Comment
  JROH1245  Soliva sessilis John Hunter Thomas 1980-5-8 19960 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC365922  Soliva sessilis Le Roy Abrams 1902-5-4 2428 San Mateo Woodside Comment
  JROH1247  Soliva sessilis John Hunter Thomas 1983-5-23 22249 San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack side & low-flow crossing Comment
  CAS-BOT-BC374493  Sonchus asper John H. Thomas 1963-5-20 10105 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  JROH1256  Sonchus asper subsp. asper John H. Thomas 1968-5-3 14438 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1259  Sonchus asper subsp. asper John Hunter Thomas 1986-5-15 24043 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC374703  Sonchus oleraceus Josephine D. Randall 1907-4-27 99 San Mateo Santa Cruz Peninsula. Kings Mt. Comment
  CAS-BOT-BC374704  Sonchus oleraceus Margaret A. Barry 1938-4-21 240 San Mateo Coal Mine Ridge Comment
  UCSB17217  Sonchus oleraceus Schulte, John 1963-4-26 San Mateo Jasper Ridge, 3 miles southwest of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  UCSC007783  Sonchus oleraceus Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park 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
  JROH5525  Sparganium eurycarpum var. eurycarpum John Hunter Thomas 1979-9-9 19724 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Searsville Lake. Comment
  CAS-BOT-BC390202  Spergularia bocconi G. B. Rossbach; R. P. Rossbach 1939-5-12 726 San Mateo San Pedro Point Comment
  RSA0098757  Spergularia macrotheca E. B. Copeland 1903-6-5 3317 San Mateo Montara Point. Comment
  UCSB1896  Spergularia macrotheca Walker, Clifford 1954-4-20 San Mateo 50 yds. from ocean, 1 mi. S of Half Moon Bay Comment
  CAS-BOT-BC390460  Spergularia macrotheca var. macrotheca Ira L. Wiggins; Roxana S. Ferris 1939-8-2 9290 A San Mateo Ano [Ano] Nuevo Point Comment
  CAS-BOT-BC390467  Spergularia macrotheca var. macrotheca Elsie M. Zeile 1921-7-30 s.n. San Mateo Salada Comment
  CAS-BOT-BC390461  Spergularia macrotheca var. macrotheca J. S. Rowley 1931-6-7 s.n. San Mateo Pigeon Point Comment
  UCD169489  Spergularia marina Peter H. Raven 1950-5-7 2039 San Mateo Moss Beach. 24 Comment
  RSA0004233  Sphaeralcea fasciculata var. elmeri A. D. E. Elmer 1903-05 4395 San Mateo Crystal Springs Lake. Comment
  RSA582109  Stachys ajugoides L. S. Rose 1936-5-23 s.n. San Mateo E. of Crystal Springs Lake. 152 Comment
  UC702529  Stachys ajugoides var. ajugoides L. S. Rose 1941-10-24 41469 San Mateo Belmont 3 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
  JEPS100827  Stachys bullata Dean W. Taylor 2000-6-12 17465 San Mateo Montara Mountain, Scarper Peak, western slope of the peak near the summit 502 Comment
  JEPS82539  Stachys bullata Roger Raiche 1984-5-13 40151 San Mateo San Pedro Creek Montara Mt. 30 Comment
  RSA131278  Stachys chamissonis Roxana S. Ferris 1921-5-29 2180 San Mateo Lagoon head of New Years Pt. Comment
Read comments
Feb 9 2022
  SEINET10851465 Image available Stachys gracilenta A. Arthur Heller 1907-5-28 Heller 8574 San Mateo Above Crystal Springs on the Half Moon Bay road. Comment
  UC1206470  Stachys pycnantha Le Roy Abrams 1902-9-21 2986 San Mateo Crystal Springs. Comment
  SEINET13948145 Image available Stachys pycnantha Lewis S. Rose 1956-1 56118 San Mateo Emerald Lake, hills W of Redwood City. Alt ca 600 ft 183 Comment
  SEINET13948127 Image available Stachys rigida Lewis S. Rose 1950-1 50139 San Mateo Emerald Lake region, alt ca 800 ft. hills W of Redwood City 244 Comment
  JEPS127878  Stachys rigida var. quercetorum Adam C. Schneider with C. Matt Guilliams and Will Freyman 2013-6-24 298 San Mateo Crystal Springs Reservoir Comment
  NY415807  Stachys viarum A. A. Heller 1907-5-28 8581 San Mateo Back of San Mateo on the Half Moon Bay road Comment
  JEPS51122  Stellaria media W. L. Jepson 1920-3-14 8427 San Mateo Burlingame Comment
  CAS-BOT-BC375210  Stephanomeria elata John Thomas Howell 1939-10-8 15369 San Mateo Pt. San Pedro Comment
  CAS-BOT-BC375211  Stephanomeria elata Elizabeth McClintock; Walter Knight; Irja Knight 1967-8-1 s.n. San Mateo San Bruno Mountain. South side of Ridge Road about 200 yards south of Parking Lot Comment
  JROH5328  Stipa lepida John Hunter Thomas 1992-5-15 25334 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU15947  Stipa pulchra John Rawlings, Ken Hickman 2016-5-26 1823 San Mateo Serpentine seep area up-slope from the Hwy 92 west onramp to Hwy 280 north; down-slope from San Francisco Watershed fence line 122 Comment
  SEINET5576368  Streptanthus cordatus H. S. Gentry 1931-1 8 San Mateo Collected outskirts of San Bruno on west side. Comment
  POM313014  Stuckenia pectinata Malcolm A. Nobs, S. Galen Smith 1949-8-25 1552 San Mateo Marshes at Sharp Park. Comment
  JEPS29414  Symphoricarpos albus var. laevigatus L. R. Heckard 1961-7-16 1261 San Mateo near San Bruno Mt. summit (ne of transmitting station KQED); San Bruno Mt. 335 Comment
  JROH1678  Symphoricarpos albus var. laevigatus John H. Thomas 1964-11-29 10540 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below dam Comment
  JROH1682  Symphoricarpos albus var. laevigatus John Hunter Thomas 1978-7-2 19248 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD4989  Symphoricarpos albus var. laevigatus Ulysses S. Grant IV Jun 1925 San Mateo Near La Honda. Comment
  CAS-BOT-BC237059  Symphoricarpos mollis Ned Cahill 1974-5-13 254 San Mateo Near the intersection of Canada and Edgewood Roads, about 3 mi. westward from REdwood City 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
  UC1555382  Symphyotrichum chilense J. A. DeBenedictis 1988-7-13 1542 San Mateo San Bruno Mt. Comment
  UC912474  Symphyotrichum chilense Herbert L. Mason 1927-10-4 4130 San Mateo Mouth of Waddell Creek, Ano Nuevo Pt. Ano Nuevo Pt., Waddell Creek Comment
  CAS-BOT-BC99062  Symphyotrichum chilense Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain - Quarry 4 Comment
  CAS-BOT-BC99098  Symphyotrichum chilense Helen D. Geis 1901-10-25 s.n. San Mateo Near Spaingstown (Half Moon Bay) Comment
  CAS-BOT-BC99099  Symphyotrichum chilense Elizabeth McClintock; Paul Reeberg 1989-8-31 s.n. San Mateo San Bruno Mountains - Willow Pond Comment
  CAS-BOT-BC98362  Symphyotrichum subulatum var. parviflorum John H. Thomas 1968-10-6 14851 San Mateo Vicinity of railroad tracks and Dumbarton Bridge causeway entrance. East of Palo Alto. Comment
  JROH1278  Tanacetum parthenium John Hunter Thomas 1983-6-29 22697 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1281  Tanacetum parthenium John Hunter Thomas 1991-11-21 25107 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing of San Francisquito Creek Comment
  UCR256289  Taraxacum officinale Peter Rubtzoff 1976-5-22 8553 San Mateo San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 213 Comment
  JROH372  Tauschia kelloggii John H. Thomas 1963-3-20 10028 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Westridge end of ridge Comment
  SEINET3157058  Tauschia kelloggii L. S. Rose 1939-5-5 39092 San Mateo San Mateo Canyon 46 Comment
  UC875689  Tauschia kelloggii Lewis S. Rose 1939-5-5 39092 San Mateo San Mateo Canyon 45 Comment
  RSA159427  Tellima grandiflora John H. Thomas 1961-5-14 9363 San Mateo Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. San Francisco Watershed Reserve. 152 Comment
  RSA176767  Tellima grandiflora John H. Thomas 1961-5-5 9209 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-BC447469  Tellima grandiflora Walter Knight; Irja Knight 1965-4-11 1064 San Mateo Colma Canyon in wet, shaded area. Comment
  CAS-BOT-BC447482  Tellima grandiflora George Oberlander 1950-5-21 877 San Mateo pilarcitas canyon Comment
  CAS-BOT-BC447485  Tellima grandiflora Peter Rubtzoff 1953-5-14 1341 San Mateo Pilarcitas Creek canyon 1 to 2 miles downstream from Pilarcitas Lake Comment
  RSA127726  Tetragonia tetragonoides John H. Thomas 1959-7-8 8015 San Mateo Low moist coastal bluffs at Pescadero Beach. Comment
  CAS-BOT-BC438262  Tetragonia tetragonoides Phillip C. Wheeler 1965-8-14 s.n. San Mateo San Bruno Mountain. Brisbane Lagoon Comment
  JROH5910  Thalictrum fendleri var. polycarpum L. Nordby 1982-4-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail between Escobar Gate and the weather station. Comment
  CAS-BOT-BC399853  Thalictrum polycarpum George Oberlander 1949-4-17 91 San Mateo San Francisco Watershed Reserve. Top Sawyer Ridge Comment
  CAS-BOT-BC399854  Thalictrum polycarpum Josephine D. Randall 1908-5-1 s.n. San Mateo Santa Cruz Peninsula. Corte de Madera Canon [Canyon] near Alpine Road Comment
  CAS-BOT-BC202036  Thinopyrum ponticum Elizabeth McClintock; Paul Reeberg 1989-8-19 s.n. San Mateo San Bruno Mountains. Along Bayshore Boulevard 15 Comment
  CDA3888  Thlaspi arvense W. Davis 1967-4-24 San Mateo Southern Pacific Railroad, San Mateo. 0 Comment
  CAS-BOT-BC66680  Thysanocarpus curvipes Dr. A. Kellogg; W. G. W. Harford 1868-1-1 49 San Mateo Unspecified. Comment
  SEINET10482096  Thysanocarpus curvipes Charles H. Boxmeyer 1894-1 Boxmeyer s.n. San Mateo Comment
  JROH1588  Thysanocarpus curvipes subsp. curvipes John Hunter Thomas 1978-4-8 19059 D San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  JROH394  Torilis nodosa John Hunter Thomas 1986-5-6 24018 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH402  Torilis nodosa John Hunter Thomas 1989-5-5 24656 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC81497  Torreya californica William R. Dudley 1894-4-24 s.n. San Mateo near La Honda, Santa Cruz Mts. Comment
  JROH186  Toxicodendron diversilobum John H. Thomas 1974-10-26 17625 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4758  Toxicoscordion fremontii John H. Thomas 1973-4-14 16553 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC377135  Tragopogon porrifolius J. H. Thomas 1958-10-28 7493 San Mateo Near intersection of Bayshore highway and Main Street. Redwood City Comment
  CAS-BOT-BC377138  Tragopogon porrifolius Phillip Wheeler 1965-6-19 s.n. San Mateo San Bruno Mountain. Crocker Industrial Park Comment
  RSA79060  Trientalis latifolia E. K. Balls, Lee W. Lenz 1952-5-6 17097 San Mateo Old La Honda Road to Palo Alto, Ne from Hwy5. 305 Comment
  RSA178681  Trifolium albopurpureum John H. Thomas 1964-4-19 10319 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Near Searsville Lake. Comment
  RSA40289  Trifolium albopurpureum L. S. Rose 1948-5-16 48114 San Mateo Emerald Lake, west of Redwood City. 152 Comment
  UC631539  Trifolium albopurpureum var. albopurpureum A. A. Heller 1907-5-23 8554 San Mateo back of San Mateo (on Half Moon Bay Rd) Comment
  RSA120983  Trifolium amoenum Paul R. Hichborn 1950-4-25 s.n. San Mateo San Francisquito Creek near Searsville Lake; Santa Cruz Mountain Peninsula Comment
  JROH2238  Trifolium barbigerum John H. Thomas 1961-4-29 9176 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2249  Trifolium bifidum var. decipiens John H. Thomas 1955-5-6 5009 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM20500  Trifolium bifidum var. decipiens A. D. E. Elmer 1903-04 4798 San Mateo Portola. 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
  JROH2231  Trifolium dichotomum John H. Thomas 1966-4-22 11574 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2232  Trifolium dichotomum John H. Thomas 1967-5-10 12845 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR101649  Trifolium dubium George K. Helmkamp, E. A. Helmkamp 1998-5-16 3744 San Mateo Portola Valley, Golden Hills Rd along Los Trancos Creek 107 Comment
  JROH2303  Trifolium fucatum John Hunter Thomas 1986-4-9 23928 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2307  Trifolium fucatum John Hunter Thomas 1990-4-14 24807 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA120972  Trifolium fucatum var. fucatum L. R. Abrams 1914-4-5 5086 San Mateo Menlo Park Comment
  RSA95543  Trifolium fucatum var. fucatum L. S. Rose 1953-4-5 53014 San Mateo Redwood City, along Bayshore Highway. 3 Comment
  JROH2317  Trifolium gracilentum John H. Thomas 1971-4-24 15776 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2315  Trifolium gracilentum Ynez Henderson 1920-4-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lake Comment
  JROH2333  Trifolium hirtum John Hunter Thomas 1991-5-28 25066 San Mateo Jasper Ridge Biological Preserve, Stanford University; on old beach Comment
  JROH2335  Trifolium hirtum John Hunter Thomas 1992-4-4 25128 San Mateo Jasper Ridge Biological Preserve, Stanford University; near dam Comment
  RSA212223  Trifolium hirtum L. S. Rose 1970-4-23 7003 San Mateo Skyline Blvd., w. of San Mateo 122 Comment
  UC630795  Trifolium macraei Charles Piper Smith 1908-4-26 1420 San Mateo se cemeteries; base of San Bruno Mtn Comment
  UC311115  Trifolium microcephalum A. D. E. Elmer April, 1903 4856 San Mateo Portola Comment
  SJSU15436  Trifolium microdon Toni Corelli 2010-5-13 619 San Mateo Pedro Point Headlands, Pacifica, CA, along South Ridge Trail 180 Comment
  UC204263  Trifolium microdon A. D. E. Elmer June 1903 4628 San Mateo Portola Comment
  UCSC006343  Trifolium obtusiflorum Randall Morgan 1995-6-22 2793 San Mateo Ridge W of Waterman Creek Comment
  UCD109276  Trifolium oliganthum R. Tofsrud 1952-1 2 San Mateo Near Foster. Comment
  JROH2358  Trifolium subterraneum John Hunter Thomas 1986-6-3 24076 San Mateo Jasper Ridge Biological Preserve, Stanford University; old beach Comment
  JROH2379  Trifolium variegatum John H. Thomas 1968-3-31 14260 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2386  Trifolium variegatum John Hunter Thomas 1978-4-20 19080 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA18091  Trifolium variegatum Carl B. Wolf 1929-4-24 365724 San Mateo south west end of Jasper Ridge, near Searsville Lake Comment
  JROH2394  Trifolium willdenovii John H. Thomas 1955-5-6 5008 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA6274  Trifolium willdenovii D. D. Keck 1932-6-1 1791 San Mateo Above Woodside on La Honda Rd. E slope of Santa Cruz Mtns. Comment
  POM278617  Trifolium willdenovii Lyman D. Benson 1930-5-1 2057 San Mateo Stanford Univ.; San Lorenzo mt. range. 122 Comment
  UCSC007777  Trifolium wormskioldii Becky Hendricks, Chris Lay 2012-6-22 s.n. San Mateo Ano Nuevo State Park Comment
  SEINET10928613  Trifolium wormskioldii var. wormskioldii Adolph D. E. Elmer Elmer 4644 San Mateo Lake San Andreas Comment
  JROH4733  Trillium chloropetalum John Hunter Thomas 1981-2-14 20225 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam area, redwood area Comment
  HSC101805  Trillium chloropetalum Kjirsten A. Wayman, Brett Hall, Jim West 2012-3-23 303 San Mateo Gazos Creek Road, between Hwy 1 and Cloverdale Rd. N 37.17445 W 122.35336 3 Comment
  UC74960  Trillium chloropetalum unknown 1902-3-9 307 San Mateo hills near Stanford University Comment
  CAS-BOT-BC521062  Trillium chloropetalum var. giganteum Walter & Irja Knight 1965-3-21 995 San Mateo San Bruno Mountain Comment
  CAS-BOT-BC521068  Trillium chloropetalum var. giganteum C. F. B. 1902-3-30 431 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC521205  Trillium chloropetalum var. giganteum L. R. A. 1902-4-13 2331 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC521208  Trillium chloropetalum var. giganteum Ira L. Wiggins 1928-4-14 2917 San Mateo Alpine Creek Road Comment
  JEPS55673  Trillium ovatum W. Roderick 1961-1-15 San Mateo s.e. Half Moon Bay Comment
  UC765421  Trillium ovatum R. F. Hoover 1939-3-3 3895 San Mateo above Portola (on La Honda Rd.) Comment
  CAS-BOT-BC133449  Trillium ovatum W. R. Dudley 1893-2-19 s.n. San Mateo On Alpine Road above La Honda Comment
  SEINET8480550 Image available Trillium ovatum L. M. Henry, M. E. Springer 1946-7-21 370 San Mateo La Honda Comment
  SD39140  Trillium sessile Edith A. Purer 1933-4-18 3619 San Mateo No further locality information given on label on specimen sheet. Comment
  JEPS40977  Triphysaria eriantha subsp. rosea Lewis S. Rose 1965-3-25 65010 San Mateo n end San Bruno Mts.; n end San Bruno Mts. 121 Comment
  OBI9375  Triphysaria eriantha subsp. rosea Lewis S. Rose 1965-3-25 65010 San Mateo San Bruno Mts, N end 122 Comment
  UC27281  Triphysaria eriantha subsp. rosea Ivar Tidestrom May, 1894 San Mateo Comment
  CAS-BOT-BC238573  Triphysaria floribunda A. D. E. Elmer 1903-4-1 4522 San Mateo South San Francisco Comment
  CAS-BOT-BC238574  Triphysaria floribunda W. C. McCalla 1925-4-29 3437 San Mateo Along Skyline Blvd., 15 miles south of San Francisco Comment
  JROH4135  Triphysaria pusilla John H. Thomas 1966-4-6 11549 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4137  Triphysaria pusilla John H. Thomas 1968-3-17 14187 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS40978  Triphysaria pusilla Lewis S. Rose 1965-3-25 65011 San Mateo n end San Bruno Mts.; n end San Bruno Mts. 121 Comment
  SEINET7097919  Triphysaria versicolor 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
  UC1073370  Triphysaria versicolor subsp. versicolor George B. Rossbach 1955-5-29 482 San Mateo Ano Nuevo Point Comment
  JROH4737  Triteleia hyacinthina John H. Thomas 1967-6-1 12961 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD39086  Triteleia hyacinthina Marie Cummings 1933-5-10 96 San Mateo Portola Road. Comment
  CAS-BOT-BC389750  Triteleia ixioides subsp. ixioides M. Danielson 1965-5-15 s.n. San Mateo Westward extension of Edgewood Road - Redwood City Comment
  IRVC9072  Triteleia ixioides subsp. ixioides P. W. Rundel 1963-7-7 1136 San Mateo San Francisco Bay drainage area; Summer Spring Road; woodside. Santa Cruz Mountains 152 Comment
  SJSU9940  Triteleia ixioides subsp. ixioides L. S. Chan 1955-6-4 117 San Mateo Kings Mt Rd, 1.5 mi W of Woodside, E slope Santa Cruz Mts 243 Comment
  SD626  Triteleia laxa U. S. Grant IV 1925-6-15 San Mateo La Honda. 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
  UCSB17660  Triteleia laxa Schulte, John 1963-4-14 San Mateo Jasper Ridge, 3 miles southwest of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  CAS-BOT-BC74062  Turritis glabra Margaret A. Barry 1938-4-28 s.n. San Mateo On Coal Mine Ridge. Comment
  SEINET7951747 Image available Typha angustifolia I. L. Wiggins 1929-7-4 3803 San Mateo near Pescadero Beach Comment
  UC1241809  Typha angustifolia Herbert L. Mason 1949-7-7 14031 San Mateo mouth of Pescadero Creek Comment
  RSA625696  Ulex europaeus Don Pendleton 1993-11-20 s.n. San Mateo Daly City at 222 Hickey Boulevard Comment
  JROH4222  Ulmus minor John Hunter Thomas 1987-4-30 24214 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC91228  Umbellularia californica C. F. Leithold 1901-1-19 s.n. San Mateo Santa Cruz Mountain Peninsula. Coal Mine Canyon near Black Mountain. Comment
  CAS-BOT-BC91229  Umbellularia californica George Oberlander 1949-4-9 38 San Mateo San Francisco Watershed Reserve. East side draw of Sawyer Ridge. Comment
  JROH139  Umbellularia californica John H. Thomas 1974-10-12 17621 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM50398  Umbellularia californica L. R. Abrams, W. W. Eggleston 1924-3-23 19565 San Mateo Coast Range, near Palo Alto. 60 Comment
  RSA15629  Umbellularia californica C. B. Wolf 1928-2-11 1471 San Mateo East base of Kings Mt. road. Comment
  SEINET5577659  Umbellularia californica H. S. Gentry 1931-1 18 San Mateo Collected about 1.5 miles W of San Mateo, Half-Moon Bay Road. Comment
  CAS-BOT-BC91221  Umbellularia californica W. R. Dudley 1894-11-24 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Big Redwood, Ramsay's Place, Searsville. Comment
  SEINET3559461 Image available Umbellularia californica Lewis S. Rose 1934-2-12 34028 San Mateo Burlingame. Comment
  RSA746034  Vaccinium cespitosum Gary D. Wallace 1975-11-29 1515 San Mateo San Bruno Mtn., e. of parking lot at top of Radio Rd. 396 Comment
  CAS-BOT-BC199348  Vaccinium ovatum John Thomas Howell 1924-2-23 258 San Mateo King Mountain Comment
  CAS-BOT-BC199356  Vaccinium ovatum L. R. A. 1902-3-16 2281 San Mateo Kings Mountain Comment
  CAS-BOT-BC199357  Vaccinium ovatum Reed C. Rollins 1942-4-30 3003 San Mateo S.E. slope of San Bruno Hills, about 1 mile west of Brisbane Comment
  CAS-BOT-BC199370  Vaccinium ovatum James McMurphy 1907-4-27 js.n. San Mateo Kings Mt. Comment
  CAS-BOT-BC199371  Vaccinium ovatum A. D. E. Elmer 1903-4-1 4561 San Mateo King's [Kings] Mountain Comment
  CAS-BOT-BC228837  Vaccinium ovatum Peter W. Fritsch; Lu Lu; Lisa Fritsch; Nathan Fritsch 2012-6-30 1939 San Mateo San Bruno State Park, SE section of Ridge Trail; NE-facing slope near the summit 357 Comment
  POM176866  Vaccinium ovatum James I. McMurphy 1906-5-20 79 San Mateo Kings Mountain, Santa Cruz Mts. 457 Comment
  RSA169352  Vaccinium ovatum L. S. Rose 1964-3-14 64005 San Mateo Kings Mountain. 610 Comment
  RSA174014  Vaccinium ovatum R. F. Thorne, Percy C. Everett, K. Thorne 1963-6-9 32222 San Mateo On Kamchatka Point near TV tower on San Bruno Mountain. 335 Comment
  RSA471163  Vaccinium ovatum L. S. Rose 1938-2-23 38084 San Mateo Kings Mountain. 640 Comment
  UCD118084  Vaccinium ovatum Janet Jacob 1951-4-1 52 San Mateo On ridge 7 miles east of Pescadero. Comment
  CAS-BOT-BC76137  Vancouveria planipetala A. D. E. Elmer 1903-5-1 4922 San Mateo On the Pescadero Creek, Iverson's Place. 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
  CAS-BOT-BC389676  Verbena lasiostachys Maryann Danielson 1969-7-21 s.n. San Mateo On road into Mud Lake (San Francisco Watershed area-Dam side) Comment
  CDA19090  Veronica americana J. Beall 2001-4-24 PDR 064439 San Mateo Belmont Creek at Old Country Rd., Belmont. 0 Comment
  JROH4151  Veronica peregrina subsp. xalapensis John H. Thomas 1974-4-25 17218 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM283785  Veronica peregrina subsp. xalapensis Lyman D. Benson 1930-5-3 2119 San Mateo Lake Searsville, Stanford Univ. San Francisco Bay watershed, Santa Cruz mtn range. 183 Comment
  JROH4152  Veronica persica John H. Thomas 1964-4-11 10308 San Mateo Jasper Ridge Biological Preserve, Stanford University; to the nw of the dam Comment
  RSA397971  Vicia benghalensis E. A. Purer 1932-7-16 15925 San Mateo Near Pigeon Point 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
  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-BC264044  Viola adunca Elizabeth McClintock; Arthur Menzies 1963-2-16 s.n. San Mateo San Bruno Mountain. Below top of mountain in vicinity of radio station Comment
  CAS-BOT-BC536826  Viola glabella Josephine D. Randall 1908-3-28 s.n. San Mateo Santa Cruz Peninsula: Kings Mt. Comment
  CAS-BOT-BC536827  Viola glabella Mita C. Daniel 1915-4-10 s.n. San Mateo Kings Mountain Comment
  PASA1525  Viola glabella San Mateo Kings Mt. Comment
  SD27771  Viola glabella Carl B. Wolf 1927-4-3 244 San Mateo 1 mi. above La Honda, near stream 244 Comment
  CAS-BOT-BC389693  Viola ocellata Mary K. Wicksten 1971-6-17 198 San Mateo Huddart Park Comment
  CHSC56606  Viola ocellata Steven Triano 1988-5-24 171 San Mateo Ca 0.1 mi w of Old La Honda Road near Martin Creek and 0.4 air miles e of Skylonda. 381 Comment
  RSA130599  Viola ocellata Josephine Randall 1908-3-28 s.n. San Mateo Kings Mt Road. Santa Cruz Peninsula. Comment
  JEPS50440  Viola ocellata James G. Daly 1934-1 210 San Mateo Branch of La Honda Canyon; Santa Cruz Mountains Comment
  POM134805  Viola pedunculata C. F. Baker 1902-3-22 347 San Mateo South San Francisco. Comment
  POM134872  Viola sempervirens C. F. Baker 1902-1-15 232 San Mateo West side of King's Mountain Comment
  POM135245  Viola sempervirens A. D. E. Elmer 1900-04 2100 San Mateo Kings Mtn. Comment
  RSA15293  Viola sempervirens Carl B. Wolf 1927-4-3 262 San Mateo 1 mile above La Honda. Santa Cruz Mountains. Comment
  UCSB22900  Viola sempervirens Simpson, C. 1967-3-21 San Mateo Along Butano Creek, Butano Canyon, 3.7 mi. east of junction of Clovedale Rd. and Canyon Rd 131 Comment
  CAS-BOT-BC182766  Vulpia Peter Rubtzoff s.n. San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction