Search Results — 2000 specimen records retrieved (1365 records with coordinates)
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Results for search: County=SAN MATEO; Source=All;   

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

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SEINET11941810  Abronia latifolia E. A. Purer 1933-1 5381 San Mateo Sand dunes, 2 mi S of Pigeon Point Comment
  UC577087  Abronia umbellata Lewis S. Rose 1935-10-12 35654 San Mateo Salada 3 Comment
  RSA0025943  Abronia umbellata C. F. Baker 1902-10-1 1742 San Mateo Pillar Point. Comment
  OBI48988  Acaena pinnatifida Michener & Bioletti, Bioletti May 1892 s.n. San Mateo Cemeteries Comment
  CAS-BOT-BC451119  Acaena pinnatifida var. californica Robert F. Hoover 1939-4-21 4053 San Mateo Two miles south of Colma Comment
  UC1327251  Acaena pinnatifida var. californica John T. Doyen 1966-3-28 35 San Mateo San Bruno Mountains, near Radio Towers on top. Comment
  CAS-BOT-BC451133  Acaena pinnatifida var. californica Charles Piper Smith 1908-4-26 1425 San Mateo Colma; Pacific Slope Comment
  RSA171123  Acaena pinnatifida var. californica Robert F. Thorne, Percy C. Everett 1963-6-9 32233 San Mateo On top of San Bruno Mountain on Kamchatka Point near the TV tower. 335 Comment
  CAS-BOT-BC219600  Acanthomintha duttonii A. D. E. Elmer 1903-5-1 4538 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC219602  Acanthomintha duttonii John H. Thomas 1972-4-16 16065 A San Mateo Near Cyrstal [Crystal] Springs Reservoir near Highway 92 Comment
  CAS-BOT-BC219606  Acanthomintha duttonii D. K. Gillespie 1930-4-21 9220 San Mateo Emerald Lake near Redwood City Comment
  SBBG33522  Acanthomintha duttonii A. D. E. Elmer -May-1903 4538 San Mateo Crystal Springs Lake Comment
  UC311537  Acanthomintha duttonii A. D. E. Elmer May, 1903 4538 San Mateo Crystal Springs Lake Comment
  UC517976  Acanthomintha duttonii Lewis S. Rose 1933-5-17 33171 San Mateo Redwood City Comment
  JROH159  Acer macrophyllum John H. Thomas 1975-6-5 17948 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below Searsville Dam 91 Comment
  CAS-BOT-BC21553  Achillea millefolium Walter Knight; Irja Knight 1965-4-25 1074 San Mateo San Bruno Mountain. Owl's Canyon. Comment
  CAS-BOT-BC21587  Achillea millefolium Fred Hemphill 1973-4-8 601 San Mateo San Carlos. North of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC28766  Achillea millefolium K. L. Chambers 1984-6-14 5139 San Mateo San Gregorio State Beach, Highway 1. 30 Comment
  CAS-BOT-BC28768  Achillea millefolium Daniel Cohen 1953-5-9 79 San Mateo Top of sea cliff near Pescadero Comment
  CHSC67013  Achillea millefolium K. L. Chambers 1984-6-14 5139 San Mateo San Gregorio State Beach, Hwy. 1. On roadcut 100 ft. +/- above the ocean. Comment
  CAS-BOT-BC28765  Achillea millefolium Elizabeth McClintock; Paul Reeberg 1998-5-31 s.n. San Mateo San Bruno Mountains, in a hydroseeded area east of Carter Street Comment
  UCSC007713  Achillea millefolium Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  RSA302205  Achillea millefolium var. arenicola Jim Shevock 1970-11-25 550 San Mateo Along Hwy 1 9 Comment
  JROH462  Achyrachaena mollis John H. Thomas 1971-4-10 15754 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH464  Achyrachaena mollis John H. Thomas 1976-4-30 18101 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH468  Achyrachaena mollis John Hunter Thomas 1981-4-30 20514 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2057  Acmispon americanus var. americanus D. E. Breedlove 1971-5-31 19343 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH2064  Acmispon americanus var. americanus Carol Zabel 1989-9-4 37 San Mateo Jasper Ridge Biological Preserve, Stanford University; "Assembly area" by old docent center Comment
  CAS-BOT-BC389697  Acmispon glaber Mary K. Wicksten 1975-6-19 129 San Mateo Mt. Ellen Trail Comment
  JROH2069  Acmispon glaber var. glaber John H. Thomas 1970-7-5 15662 San Mateo Jasper Ridge Biological Preserve, Stanford University 152 Comment
  JROH2091  Acmispon wrangelianus John H. Thomas 1961-4-8 9075 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC391678  Actaea rubra Margaret A. Barry 1937-7-17 197 San Mateo On Coal Mine Ridge Comment
  RSA18493  Actaea rubra subsp. arguta Carl B. Wolf 1927-7-14 627 San Mateo Summit of La Honda Grade Comment
  SDSU2646  Adelinia grandis D. F. Howe 1967-4-14 4349 San Mateo San Francisco Game Reserve near San Bruno. 91 Comment
  SEINET8382562  Adelinia grandis L. E. Detling 1933-3-30 1121 San Mateo Skyline Blvd; [State Highway 35]. Comment
  CAS-BOT-BC389683  Adenostoma fasciculatum Mary Wicksten 1969-6-24 s.n. San Mateo Miwok area - Huddart Park Comment
  CAS-BOT-BC65514  Adiantum aleuticum D. E. Breedlove 1973-9-26 35556 San Mateo Pescadero Creek County Park 365 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
  POM281116  Adiantum aleuticum Lyman Benson 1929-3-2 973 San Mateo Kings Mountain Comment
  CAS-BOT-BC202682  Aesculus californica Margaret A. Barry 1937-6-24 184 San Mateo On Coal Mine Ridge Comment
  UC206220  Agoseris apargioides var. apargioides Katharine Brandegee 1917-6-15 San Mateo Moss Beach Moss Beach Comment
  JROH5952  Agoseris heterophylla John Rawlings 2017-4-3 2014 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 5 serpentine prairie up-slope from trail 122 Comment
  CAS-BOT-BC15243  Agoseris hirsuta A. A. Heller 1907-4-25 8458 San Mateo San Bruno Hills Comment
  CAS-BOT-BC15245  Agoseris hirsuta Reed Clark Rollins 1942-4-30 3021 San Mateo San Bruno Hills, 1 mile south of Daly City Comment
  CAS-BOT-BC15250  Agoseris hirsuta A. D. E. Elmer 1903-4-1 4930 San Mateo Cemeteries 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-BC15248  Agoseris hirsuta Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain, top of Quarry 4 Comment
  UC1100106  Agrostis alba Malcolm A. Nobs and S. Galen Smith 1949-8-25 1550 San Mateo marshes Sharp Park Comment
  JROH4778  Agrostis capillaris John Rawlings 2008-6-25 1044 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
  JROH4781  Agrostis exarata W. R. Dudley 1903-1-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lake Comment
  CAS-BOT-BC138976  Agrostis pallens A. D. E. Elmer 1903-6-1 4264 San Mateo Alpine School House. Comment
  SEINET11673837  Agrostis pallens H. E. Weiser 1932-1 s.n. San Mateo Black Mtn Road, Hillsborough Hills, near Burlingame Comment
  CAS-BOT-BC138567  Agrostis variabilis W. R. Dudley 1894-7-7 s.n. San Mateo By spring and watering trough halfway up Bear Gulch Road. Comment
  JROH4157  Ailanthus altissima John H. Thomas 1980-11-18 20172 San Mateo Jasper Ridge Biological Preserve, Stanford University 98 Comment
  RSA90275  Aira caryophyllea D. D. Keck 1932-5-6 1480 San Mateo Open hillside just west of Millbrae Highlands. 50 Comment
  CAS-BOT-BC445427  Alisma triviale Elizabeth McClintock; Paul Reeberg 1988-6-7 s.n. San Mateo San Bruno Mountains. P.G.&E. Marsh. Comment
  JROH4546  Allium amplectens John Hunter Thomas 1989-5-11 24731 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1206473  Allium amplectens Le Roy Abrams 1902-5-8 2431 San Mateo Stanford University Comment
  SJSU1085  Allium dichlamydeum C. W. Sharsmith 1951-4-6 5822 San Mateo Woodside Hills, 3 mi W of Woodside 182 Comment
  RSA310964  Allium dichlamydeum Robert F. Thorne, Percy C. Everett 1963-6-9 32236 San Mateo On top of San Bruno Mountain. 335 Comment
  RSA40253  Allium falcifolium L. S. Rose 1948-5-16 48111 San Mateo Emerald Lake, west of Redwood City. 152 Comment
  UC766745  Allium falcifolium R. F. Hoover 1941-4-23 4907 San Mateo Redwood City hills Comment
  CAS-BOT-BC472889  Allium paniculatum David Atkins 1951-11-10 s.n. San Mateo Pescadero Comment
  RSA176772  Allium peninsulare var. franciscanum D. E. Breedlove 1963-5-13 4942 San Mateo SE corner of the jct. of Crystal Springs Road and Polhemus Road, west of San Mateo Comment
  JROH1326  Alnus rhombifolia John H. Thomas 1971-5-30 15981 San Mateo Jasper Ridge Biological Preserve, Stanford University; along creek, below dam Comment
  UCR242715  Amaranthus deflexus A. C. Sanders 2012-11-11 40517 San Mateo SF Bay Area, Daly City near Colma, between Junipero Serra Blvd. and San Pedro Rd. on Washington St. 56 Comment
  JROH179  Amaranthus retroflexus John H. Thomas 1974-10-29 17651 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD39996  Ambrosia chamissonis Edith A. Purer 1933-7-27 5376 San Mateo 2 miles south of Pigeon Point on open dune areas Comment
  RSA416939  Ambrosia chamissonis var. chamissonis Edith A. Purer 1933-7-27 5376 San Mateo 2 mi. S of Pigeon Pt. Comment
  CAS-BOT-BC55527  Ambrosia psilostachya W. R. Dudley 1902-9-21 s.n. San Mateo On causeway over Crystal Spring Reservoir Comment
  RSA116659  Ambrosia psilostachya W. R. Dudley 1902-9-21 s.n. San Mateo Plants of the Santa Cruz Mountain Peninsula. On caushway [?] over Crystal Springs Reservoir. Comment
  POM139628  Amelanchier pallida A. D. E. Elmer 1903-05 4659 San Mateo Slates Creek. Comment
  CAS-BOT-BC136835  Amelanchier utahensis L. R. Abrams 1916-4-22 5577 San Mateo Pilarcitos [Canon] Canyon 3 Comment
  JROH3593  Amelanchier utahensis Roxana Stinchfield 1914-4-26 145 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Dam Comment
  JROH5617  Amelanchier utahensis Ann Lambrecht 2014-4-29 49 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 14, about midway between dam and road C. 98 Comment
  SD41381  Ammophila arenaria Edith A. Purer 1933-7-27 5390 San Mateo Open sand dune area, two miles south of Pigeon Point. Comment
  CAS-BOT-BC214044  Amsinckia Mrs. E. C. Sutliffe 1933-5-17 s.n. San Mateo Skyline Blvd. near Alpine Creek Road Comment
  CAS-BOT-BC222455  Amsinckia lunaris Alice Eastwood 1917-5-12 s.n. San Mateo San Bruno Hills Comment
  RSA0089730  Amsinckia lunaris W. R. Dudley 1894-4-27 s.n. San Mateo San Mateo Ravine. Santa Cruz Mountain Peninsula. Comment
  JROH1346  Amsinckia menziesii John H. Thomas 1967-6-1 12950 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1084383  Amsinckia tessellata var. gloriosa G. Thomas Robbins 1937-4-11 77 San Mateo above Colma (along Skyline Blvd, s of San Francisco) Comment
  UCD14397  Anagallis arvensis Marcy Dickenson 1983-4-23 120 San Mateo San Mateo Co.; on Jasper Ridge, at the Stanford Biological Preserve, within 1 mile of Westridge Road entrance; Comment
  RSA249495  Anaphalis margaritacea John F. Emmel 1971-9-6 388 San Mateo NE facing slope 0.4 air mile SSW of Midway Village School on 1956 topo quad., above Guadalupe cyn. parkway, San Bruno Mts. 99 Comment
  CAS-BOT-BC391914  Anemone grayi J. H. Thomas 1949-4-14 274 San Mateo Kings Mountain Comment
  CAS-BOT-BC391924  Anemone grayi H. L. Mason 1927-4-24 3698 San Mateo La Honda Comment
  CHSC23309  Angelica hendersonii Robert F. Thorne; P. Everett 1965-8-1 35077 San Mateo 21.5 mi. S of Golden Gate Bridge; on W-facing sea bluff. 68 Comment
  JROH190  Angelica tomentosa John Hunter Thomas 1989-6-17 24776 A San Mateo Jasper Ridge Biological Preserve, Stanford University 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-BC273182  Anisocarpus madioides James I. McMurphy 1909-5-25 s.n. San Mateo Above Pulpit Rock, San Mateo Canyon Comment
  CAS-BOT-BC273186  Anisocarpus madioides C. F. B. 1902-5-10 300 San Mateo Kings Mountain Comment
  CAS-BOT-BC102289  Anthemis cotula Elizabeth McClintock; Carlyn Halde; Walter Knight 1963-6-23 s.n. San Mateo Lower part of Colma Canyon Comment
  CAS-BOT-BC102290  Anthemis cotula Saichi Kawahara 1968-7-29 458 San Mateo Old Stage Road, south bank of Pomponio Creek 36 Comment
  JROH509  Anthemis cotula John Hunter Thomas 1983-6-29 22698 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC280673  Anthoxanthum nitens John H. Thomas 1974-5-9 17330 San Mateo San Pedro Valley, Northern part of county, inland from Pacifica 152 Comment
Read comments
Jul 28 2017
  CAS-BOT-BC280645  Anthoxanthum occidentale L. R. Abrams 1904-3-7 s.n. San Mateo Santa Cruz Mountain Peninsula. Bear Gulch Comment
  JROH3912  Antirrhinum kelloggii Oz Garton 1968-6-10 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC454476  Aphanes occidentalis John H. Thomas 1974-4-11 17125 San Mateo Serpentine area to the SE of Canada Road and Edgewood Road. NW of Woodside. 152 Comment
  CAS-BOT-BC454495  Aphanes occidentalis H. A. Dutton 1900-3-11 s.n. San Mateo Woodside serpentine, Santa Cruz Pennisula Comment
  UC1285700  Aponogeton distachyos Rolf Benseler 1966-4-10 San Mateo 100 yards s of King Drive (formerly Chinese Cemetery Road), e side of Highway No. 5, Skyline Boulevard, northern end of San Mateo County King Drive; e side Highway No. 5, Skyline Boulevard Comment
  POM148967  Aquilegia eximia A. D. E. Elmer 1903-06 4271 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC405894  Aquilegia formosa Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo Bitter-cherry Ridge. Comment
  SEINET5721773 Image available Aquilegia formosa Johnny O. Johnson 1974-1 29 San Mateo Bear Gulch Road, 2 miles north of its intersection with State Hwy 84. Comment
  CAS-BOT-BC17316  Arabis blepharophylla Elizabeth McClintock 1967-4-16 s.n. San Mateo San Bruno Mountains. Buckeye Canyon. Comment
  CAS-BOT-BC17318  Arabis blepharophylla Walter Knight; Irja Knight 1965-3-21 967 San Mateo San Bruno Mountains. On ridge near Brisbane power lines. Comment
  RSA0125754  Arabis glabra John F. Emmel 1972-4-2 398 San Mateo 0.5 air mile SW of 1314 summit, along SW base of San Bruno Mts. 168 Comment
  CAS-BOT-BC171636  Aralia californica Eric Walther 1919-7-4 s.n. San Mateo Woodside Comment
  UC396977  Aralia californica Fred Gianocca 1929-11-8 San Mateo Half Moon Bay Comment
  SEINET10454399  Aralia californica Mary Susan Taylor 1978-8-30 Taylor 1853 San Mateo Comment
  CAS-BOT-BC128626  Arbutus menziesii Elmer I. Applegate 1895-3-9 315 San Mateo Woodside Comment
  HSC23993  Arbutus menziesii Mary Katherine Wicksten 1971-7-1 145 San Mateo Huddart Park. Dry slope by park office Comment
  JROH1915  Arbutus menziesii A. D. E. Elmer 1903-5-1 4515 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake Comment
  CAS-BOT-BC24164  Arctostaphylos John H. Thomas 1967-2-9 12401 San Mateo Montara Mountain in Northern part of county. Between Pacifica and Montara. Comment
  UC83010  Arctostaphylos C. F. Baker 1902-5-10 817 San Mateo King's Mountain Comment
  CAS-BOT-BC24129  Arctostaphylos andersonii Elmer I. Applegate 1895-3-9 304 San Mateo Woodside Comment
  SEINET11987248  Arctostaphylos andersonii var. imbricata W. Knight, Knight, I. 1981-1 3903 San Mateo Tilden Botanic Garden, Berkeley, originally from San Bruno Mt Comment
  SEINET11989200  Arctostaphylos andersonii var. imbricata E. McClintock, Knight, W.; Knight, I. 1982-1 4647 San Mateo from windy Kamchatka Point, San Bruno Mountain 351 Comment
  SEINET11989287  Arctostaphylos andersonii var. imbricata W. Knight, Knight, I.; McClintock, E. 1982-1 4445 San Mateo Kamchatka Point, San Bruno Mt Comment
  RSA303424  Arctostaphylos auriculata J. R. Shevock 1971-2-27 702 San Mateo 5 mi-Jct, Skyline Rd; So of Calif. Hwy 92. 457 Comment
  CAS-BOT-BC23509  Arctostaphylos crustacea L. S. Rose 1942-3-30 42007 San Mateo Rocky brushy hills, Kings Mountain 600 Comment
  CDA29071  Arctostaphylos crustacea D. G. Kelch 2009-6-9 9 .399 San Mateo Santa Cruz Mts.; Chert outcrop and adjacent mixed evergreen forest along Skyline Blvd ~1 km W of Skegg s Point. Comment
  JROH1932  Arctostaphylos crustacea subsp. crustacea John H. Thomas 1970-7-5 15665 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1935  Arctostaphylos crustacea subsp. crustacea John H. Thomas 1975-1-18 17675 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville end of ridge Comment
  RSA681640  Arctostaphylos edmundsii Annuschka Deb 1989-4-20 125 San Mateo Woodside. Comment
  SJSU6083  Arctostaphylos glandulosa S. H. Casey 1969-5-18 259 San Mateo near summit of San Bruno Mt Comment
  CAS-BOT-BC24732  Arctostaphylos glandulosa subsp. glandulosa Walter Knight; Roger Raiche 1982-1-23 4418 San Mateo San Bruno Mtn. Buckeye Canyon on Oak Ridge. 76 Comment
  CAS-BOT-BC24730  Arctostaphylos glandulosa subsp. glandulosa V. F. Hesse 1955-10-10 1715 San Mateo China Grade Road at air strip, 14.5 mi. from Boulder Creek. 304 Comment
  RSA51443  Arctostaphylos imbricata P. H. Raven 1950-2-25 1383 San Mateo W end of ridge behind NBC Television Station, San Bruno Mountains 457 Comment
  SJSU5745  Arctostaphylos imbricata L. S. Rose 1955-2-23 55002 San Mateo TYPE LOCALITY; San Bruno Hills Comment
  UC942860  Arctostaphylos imbricata Lewis S. Rose 1951-3-13 51001 San Mateo San Bruno Hills San Bruno Hills (type locality) 304 Comment
  CAS-BOT-BC40168  Arctostaphylos montaraensis Arthur Menzies 1963-2-5 6 San Mateo San Bruno Mountain Comment
  JEPS47726  Arctostaphylos montaraensis Walter Knight and Irja Knight 1966-3-27 1761 San Mateo Pacific Ridge San Bruno Mt. 358 Comment
  UC21803  Arctostaphylos montaraensis C. T. Blake 1893-5-27 San Mateo Pilarcitos Reservoir Comment
  UCD144586  Arctostaphylos montaraensis Greg Escoto 2014-2-21 s.n. San Mateo San Pedro Valley Park, a county park located at 600 Oddstad Blvd. Along Hazelnut Trail. 152 Comment
  UCSC010735  Arctostaphylos montaraensis Rick Flores, Monica Schuster 2006-1 RF 152 San Mateo San Bruno and Mantara Mountains Comment
  RSA633500  Arctostaphylos pacifica Jon E. Keeley 1996-6-24 27569 San Mateo On knob below end of paved road at top of San Bruno Mountain. 350 Comment
  RSA633502  Arctostaphylos pacifica Jon E. Keeley 1996-6-24 27570 San Mateo On knob below end of paved road at top of San Bruno Mountain. 350 Comment
  CAS-BOT-BC44709  Arctostaphylos regismontana Walter Knight; Irja Knight; James B. Roof 1967-1-19 2058 San Mateo Whipple Road, near Crystal Springs Lakes Comment
  JEPS98838  Arctostaphylos regismontana James B. Roof 1964-9-14 San Mateo middle summit Montara Mt. (Peak Mountain) Comment
  POM131773  Arctostaphylos regismontana C. F. Baker 1902-1-15 271 San Mateo Kings Mountain. West side of King's Mountain. Comment
  POM203925  Arctostaphylos regismontana E. C. Sutliffe 1934-2-2 s.n. San Mateo Kings Mountain. Comment
  UC1120844  Arctostaphylos regismontana A. E. Wieslander 1936-8-21 659 San Mateo Kings Mountain Santa Cruz Quadrangle Comment
  SEINET11989115  Arctostaphylos regismontana Unknown 1966-1 740 A San Mateo Montara Mountain Comment
  LA42311  Arctostaphylos tomentosa Lillian Lockwood; 1908-3-28 sn San Mateo Kings Mountain, near roadside 457 Comment
  JEPS48593  Arctostaphylos tomentosa subsp. crustacea James G. Daly 1934-1 194 San Mateo San Gregorio watershed Santa Cruz Mts. (sw San Mateo Co.) Comment
  POM299443  Arctostaphylos tomentosa subsp. crustacea L. S. Rose 1942-3-30 42007 San Mateo Kings Mountain. 183 Comment
  RSA128520  Arctostaphylos tomentosa subsp. crustacea James I. McMurphy 1906-03 s.n. San Mateo Kings Mt. Road. Comment
  RSA636845  Arctostaphylos tomentosa subsp. crustacea Jon E. Keeley, Melanie Baer-Keeley 1993-9-8 24645 San Mateo NW side of Montara Mtn. 150 Comment
  POM286194  Arctostaphylos tomentosa subsp. tomentosiformis Lyman Benson 1935-3-10 6255 San Mateo La Honda Grade. 518 Comment
  UCD51708  Arctostaphylos tomentosa var. tomentosiformis Roman Gankin 1959-3-22 325 San Mateo Kings Mountain Road, 1.2 miles east of junction with State Highway 5, ca. 5 miles west of Woodside, San Mateo County, California. Comment
  SBBG83967  Arctostaphylos uva-ursi R. Gankin 1959-3-25 328 San Mateo San Bruno Mtn, S San Francisco, 0.25 mi E of KRON TV transmitter Comment
  UCD52146  Arctostaphylos uva-ursi Walter and Irja Knight; Elizabeth McClintock 1981-7-3 4492 San Mateo Near rocky outcrop at Kamchatka Point, San Bruno Mountain. San Mateo County. Comment
  UCR58390  Arctostaphylos uva-ursi Walter Knight, I. Knight 1980-6-14 3748 San Mateo Original from San Bruno Mt. (grown at Tilden Botanic Garden, Berkeley) Comment
  SEINET11987331  Arctostaphylos uva-ursi J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4212 San Mateo Strybing Arboretum, Golden Gate Park, San Francisco, orig. from San Bruno Mt., near Pacific Rock 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
  CAS-BOT-BC47695  Armeria maritima subsp. californica Otto M. Sokol 1953-5-9 81 San Mateo Pebble Beach Comment
  CAS-BOT-BC47696  Armeria maritima subsp. californica Alice Eastwood 1915-6-13 4712 San Mateo Granada Comment
  SJSU4470  Armeria maritima subsp. californica S. R. Piazza 1963-6-27 San Mateo by lighthouse , Hwy 1, 2 mi N of Pigeon Point Comment
  UCD98491  Armeria maritima subsp. californica Kathyrn L. Koch 1965-5-1 48 San Mateo Arroyo de los Frijoles Beach State Park, just south of State Highway 1 junction. Comment
  UCSB11750  Armeria maritima subsp. californica Olson, Jim 1962-4-13 San Mateo 1 mile south of Halfmoon Bay on U.S. Highway 101 15 Comment
  CAS-BOT-BC47693  Armeria maritima subsp. californica Elizabeth McClintock; Paul Reedberg 1988-4-26 s.n. San Mateo at southern tip of ridge dividing Sage and Poison Oak Ravines 137 Comment
  CAS-BOT-BC82519  Arnica discoidea John H. Thomas 1961-6-20 9558 San Mateo Portola State Park, near junction of Peters and Pescadero Creeks 152 Comment
  JROH4837  Arrhenatherum elatius Toni Corelli 2006-5-6 310 San Mateo Jasper Ridge Biological Preserve, Stanford University; along road past Searsville Lake beach in disturbed grassy area, under large valley oak 106 Comment
  RSA116788  Artemisia biennis Roxana S. Ferris 1924-10-6 4096 San Mateo Searville Lake on Portola Hwy. Comment
  CAS-BOT-BC84881  Artemisia californica James McMurphy 1905-10-1 s.n. San Mateo Corte de Madera Creek Comment
  CAS-BOT-BC84884  Artemisia californica Walter Knight; Irja Knight 1963-7-14 297 San Mateo San Bruno Mountain, ridge above Buckeye Canyon Comment
  RSA116787  Artemisia californica L. R. Abrams 1902-12-23 3098 San Mateo Jasper Ridge, Searsville Comment
  SEINET11836170  Artemisia californica L. S. Rose 1936-1 36716 San Mateo Granada 30 Comment
  OBI17042  Artemisia douglasiana Lewis S. Rose 1965-9-4 65101 San Mateo Skyline Blvd & Half Moon Bay rd, Cahill ridge 244 Comment
  CAS-BOT-BC93931  Artemisia douglasiana Walter Knight; Irja Knight 1963-10-7 326 San Mateo San Bruno Mountain, Cow Trough Ravine Comment
  CAS-BOT-BC93934  Artemisia douglasiana Josephine D. Randall 1907-6-29 53 San Mateo Santa Cruz Peninsula, Portola Road Comment
  SEINET191613  Artemisia heterophylla Lewis S. Rose 1938-8-18 San Mateo San Mateo County: Canyon Bottom. 30 Comment
  SEINET11853520  Artemisia pycnocephala E. A. Purer 1933-1 5387 San Mateo 2 mi S of Pigeon Point Comment
  JROH427  Asclepias fascicularis John H. Thomas 1964-7-9 10444 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4578  Asparagus officinalis subsp. officinalis John Hunter Thomas 1991-11-21 25100 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low-flow crossing of San Francisquito Creek Comment
  UCR254764  Aster chilensis Peter Rubtzoff, Roman Gankin 1975-9-11 8377 San Mateo San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 213 Comment
  RSA101026  Aster radulinus G. Oberlander 1949-7-10 364 San Mateo Sawyer Ridge, San Francisco Watershed Reserve Comment
  SEINET946262  Asteraceae L. S. Rose 1948-1 48235 San Mateo Hills W. of Belmont 183 Comment
  JROH1997  Astragalus gambelianus John Hunter Thomas 1992-4-29 25170 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET948336  Astragalus gambelianus Lois E. James 1947-1 1757 San Mateo Hills back of Redwood city. Comment
  CAS-BOT-BC177967  Astragalus nuttallii var. virgatus V. F. Hesse 1921-7-30 70 San Mateo Salada Comment
  CHSC40740  Astragalus nuttallii var. virgatus Delzie Demaree 1933-6-12 10376 San Mateo Baden Station, South San Francisco. Comment
  SBBG34010  Astragalus nuttallii var. virgatus L. S. Rose 1969-9-20 69112 San Mateo Thornton Beach 24 Comment
  SFV1786  Astragalus nuttallii var. virgatus W. R. Russell 1966-8-17 s. n. San Mateo On side of hill at north end of Princeton Beach, about 2 miles south of Moss Beach. Comment
  CAS-BOT-BC193089  Astragalus pycnostachyus var. pycnostachyus J. W. Congdon 1897-8-11 s.n. San Mateo San Gregorio Comment
  CAS-BOT-BC193090  Astragalus pycnostachyus var. pycnostachyus C. F. B. 1902-10-1 1744 San Mateo Pillar Point 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-BC193096  Astragalus pycnostachyus var. pycnostachyus W. R. Dudley 1894-4-21 s.n. San Mateo Field near Crystal Springs Reservoir Comment
  SBBG114454  Astragalus pycnostachyus var. pycnostachyus D. Wilken with E. Painter, M. Wetherwax 2000-7-29 15844 San Mateo dike at edge of freshwater marsh, 0.9 km ESE of mouth of Pescadero Crk estuary 10 Comment
  UCD39016  Atriplex californica Beecher Crampton 1962-6-11 6514 San Mateo Pacifica, Rockaway Beach, State Hwy. 1. Comment
  CAS-BOT-BC145955  Avena fatua Ned Cahill 1974-4-30 221 San Mateo Near the intersection of Canada and Edgewood roads, about 3 miles westward from Redwood City. Comment
  UCD56092  Avena strigosa T. C. Fuller 1971-6-10 19879 San Mateo 1.6 km east of San Gregorio. Comment
  JROH535  Baccharis glutinosa John H. Thomas 1974-8-3 17497 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH544  Baccharis glutinosa John Hunter Thomas 1988-10-17 24593 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake Comment
  UC893647  Baccharis glutinosa Lewis S. Rose 1941-10-31 41173 San Mateo Searsville Lake 91 Comment
  CAS-BOT-BC99515  Baccharis pilularis A. D. E. Elmer 1903-2-1 4576 San Mateo Portola Comment
  CAS-BOT-BC99516  Baccharis pilularis W. R. Dudley 1894-12-13 s.n. San Mateo Above Preston's, La Honda Road Comment
  CAS-BOT-BC99518  Baccharis pilularis H. L. Mason 1922-3-27 s.n. San Mateo near mouth of Arroyo de los Frijoles Comment
  SD136469  Baccharis pilularis Edith A. Purer 1933-7-27 5351 San Mateo High stabilized sand dunes, Pigeon Point. Comment
  SEINET11861776  Baccharis pilularis Unknown 1933-8-4 10464 San Mateo along Bayshore Highway 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
  JROH3915  Bellardia trixago John H. Thomas 1974-5-19 17382 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low flow crossing Comment
  CAS-BOT-BC100196  Bellis perennis Ray H. Yarris 1951-5-20 65 San Mateo Kings Mountain 91 Comment
  CAS-BOT-BC100192  Bellis perennis Elizabeth McClintock 1967-9-24 s.n. San Mateo Crocker Avenue Comment
  CAS-BOT-BC75880  Berberis pinnata George Oberlander 1949-4-17 70 San Mateo San Francisco Watershed Reserve. Near Pilarcitos Lake. Comment
  CAS-BOT-BC75882  Berberis pinnata Robert Setzer 1969-3-29 2138 San Mateo Coloma Canyon, San Bruno Mountain. Comment
  POM149245  Berberis pinnata A. D. E. Elmer 1903-04 4820 San Mateo San Bruno Hills Comment
  CDA3006  Beta vulgaris E. L. Labadie 1961-10-24 San Mateo Railroad tracks at Chestnut Street, Redwood City. 0 Comment
  CAS-BOT-BC66298  Blechnum spicant L. R. Abrams 1912-4-1 5000 San Mateo Butano Canyon Comment
  CAS-BOT-BC389681  Bloomeria crocea Mary Wicksten 1969-6-25 s.n. San Mateo Huddart Park Comment
  SJSU14136  Borago officinalis R. T. Ross 1975-3-2 San Mateo S side, Pillar Point Harbor, El Granada Comment
  CAS-BOT-BC145403  Brachypodium distachyon Bonnie McClellan; J. Ed. McClellan 1971-5-31 s.n. San Mateo Butano State Park. Comment
  CDA43034  Brachypodium sylvaticum T. Hyland 2014-10-22 PDR# MVAP 06099366 San Mateo Upper China Grade. Comment
  JROH5658  Brachypodium sylvaticum John Rawlings 2014-7-23 1267 San Mateo Jasper Ridge Biological Preserve, Stanford University; along downhill verge of Rd G between Rd C and the first small drainage crossing Rd G 108 Comment
  CDA20462  Brachypodium sylvaticum K. Melo 2003-11-1 PDR 1387519 San Mateo San Francisco Bay Area; Oak Knoll Dr, Emerald Hills. 0 Comment
  POM272569  Brassica nigra Lyman Benson 1939-6-24 9676 San Mateo Menlo Park. 30 Comment
  JROH1456  Brassica nigra John H. Thomas 1967-3-26 12419 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA0084270  Brassica nigra Lyman Benson 1936-6-11 7689 San Mateo Menlo Park; U.S. 101; Watershed: San Francisco Bay. 30 Comment
  JROH1461  Brassica rapa John H. Thomas 1969-4-12 14887 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH1470  Brassica rapa John Hunter Thomas 1989-5-23 24747 San Mateo Jasper Ridge Biological Preserve, Stanford University; near old bridge over two parts of lake Comment
  JROH1466  Brassica rapa John Hunter Thomas 1978-5-23 19221 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC145492  Briza maxima Elizabeth McClintock; Paul Reeberg 1988-4-15 s.n. San Mateo San Bruno Mountains. East of Powerline and south of Guadalupe Canyon Parkway. 99 Comment
  JROH4868  Briza maxima John Hunter Thomas 1986-5-17 24051 San Mateo Jasper Ridge Biological Preserve, Stanford University. Dam to Rattlesnake Rock Comment
  CAS-BOT-BC145325  Briza minor H. A. Dutton 1900-4-17 s.n. San Mateo Santa Cruz Peninsula. Just east of Jasper on south side of roadside. Comment
  RSA149176  Briza minor John H. Thomas 1961-5-13 9344 San Mateo Coastal sand dunes at Franklin Point. Comment
  JROH4581  Brodiaea elegans subsp. elegans John H. Thomas 1973-6-10 16808 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4586  Brodiaea terrestris subsp. terrestris Elmer I. Applegate 1895-5-11 700 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC483174  Brodiaea terrestris subsp. terrestris R. E. Frenkel 1964-5-22 506 San Mateo On Whiting Ridge Fire Tr. Road, SFWD, 0.2 mile north-west of Spring Valley Ridge road 329 Comment
  CAS-BOT-BC483187  Brodiaea terrestris subsp. terrestris Elizabeth McClintock; Philip C. Wheeler 1967-6-11 s.n. San Mateo Radio Road, San Bruno Mountain Comment
  RSA212158  Brodiaea terrestris subsp. terrestris L. S. Rose 1970-4-8 70024 San Mateo Black Mtn, W of San Mateo. 122 Comment
  CAS-BOT-BC144142  Bromus John Thomas Howell 1955-4-27 s.n. San Mateo 0.3 mile north of Dam, Crystal Springs Road, on west side. Comment
  CAS-BOT-BC144140  Bromus W. R. Dudley 1899-6-11 s.n. San Mateo San Francisco. Near Railroad Station house, Sutro Heights. Comment
  CAS-BOT-BC148993  Bromus carinatus var. carinatus John H. Thomas 1974-5-9 17331 San Mateo San Pedro Valley. Northern part of county, inland from Pacifica. 152 Comment
  CAS-BOT-BC149012  Bromus carinatus var. carinatus Elizabeth McClintock 1964-4-17 s.n. San Mateo San Bruno Mountain. Along road on top of mountain. Comment
  CAS-BOT-BC149016  Bromus carinatus var. carinatus Walter Knight; Irja Knight 1965-4-25 s.n. San Mateo San Bruno Mountain. Owl's Canyon. Comment
  CAS-BOT-BC149020  Bromus carinatus var. carinatus R. E. Frenkel 1964-8-21 758 San Mateo On Portola Ridge Road, 0.7 mile north of Sawyer Ridge Road, SFWD. 320 Comment
  JROH4892  Bromus carinatus var. carinatus John Hunter Thomas 1966-4-13 11558 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4895  Bromus carinatus var. carinatus John Hunter Thomas 1977-6-16 18740 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5634  Bromus carinatus var. carinatus John Rawlings 2004-7-11 1002 San Mateo Jasper Ridge Biological Preserve, Stanford University. Hermit's cabin site. 180 Comment
  SEINET943617  Bromus carinatus var. carinatus Robert A. Norris 1984-1 4656 San Mateo Blue Blossom Hill, San Bruno Mountains 365 Comment
  UC1131001  Bromus carinatus var. carinatus H. S. Yates 1935-5-8 5198 San Mateo 2 mi n of Langley Hill 579 Comment
  CAS-BOT-BC148991  Bromus carinatus var. carinatus W. R. Dudley 1899-5-19 s.n. San Mateo Santa Cruz Mountain Peninsula. Head of San Mateo Creek. Comment
  UC1537360  Bromus carinatus var. maritimus Gordon H. True Jr. 1937-4-3 621 San Mateo near coast of Salada Beach 15 Comment
  CDA31070  Bromus catharticus Robin Breckenridge, K. Filippini 2010-2-17 PDR# 1463753 San Mateo Pescadero: Bean Hollow Road (across from Bay Flower Company). 0 Comment
  CAS-BOT-BC155134  Bromus hordeaceus George Oberlander 1950-5-28 1000 San Mateo San Francisco Watershed Reserve. North boundary. Comment
  JROH4914  Bromus hordeaceus John H. Thomas 1958-5-10 7151 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4919  Bromus hordeaceus John H. Thomas 1966-4-24 11580 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4920  Bromus hordeaceus John H. Thomas 1967-5-12 12889 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5614  Bromus hordeaceus John Rawlings 2014-4-11 1217 San Mateo Jasper Ridge Biological Preserve, Stanford University; in road G in hard-packed dirt, immediately north of its intersection with Rd. J. 105 Comment
  JROH5637  Bromus hordeaceus John Rawlings 2014-6-2 1254 San Mateo Jasper Ridge Biological Preserve, Stanford University. Around Caretaker's Residence 106 Comment
  JROH4934  Bromus laevipes John H. Thomas 1973-6-10 16816 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4939  Bromus laevipes W. Lennihan 1990-4-20 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Eastern draw, 40 yards down. Comment
  JROH4940  Bromus laevipes John Hunter Thomas 1992-5-25 25344 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD58965  Bromus madritensis Rimo Bacigalupi; L. Heckard 1961-5-14 7700 San Mateo Near southern end of Crystal Springs Lake. Along Canada Road. 95 Comment
  JROH4958  Bromus madritensis subsp. rubens John Rawlings 2013-4-30 1181 B San Mateo Jasper Ridge Biological Preserve, Stanford University; along Road B near south boundary fence 78 Comment
  CAS-BOT-BC161747  Bromus rubens John H. Thomas 1965-4-29 10626 San Mateo San Bruno Mountains in northern part of county. 396 Comment
  CAS-BOT-BC161750  Bromus rubens Fred Hemphill 1973-5-14 811 San Mateo San Carlos. Area north of Malabar Road and Melendy Drive. 207 Comment
  CAS-BOT-BC161752  Bromus rubens R. E. Frenkel 1964-5-26 511 San Mateo On Portola Ridge Road, SFWD, 0.7 mile north of Sawyer Ridge Road. 320 Comment
  SEINET3923291  Bromus rubens Robert A. Norris 1984-3-21 4655 San Mateo Blue Blossom Hill, San Bruno Mts.; 0 366 Comment
  CAS-BOT-BC185395  Bromus vulgaris W. R. Dudley 1900-5-19 s.n. San Mateo Santa Cruz Mountain Peninsula. Stage road La Honda Summit. 518 Comment
  UC1131105  Bromus vulgaris N. K. Carlson 1935-6-2 76 San Mateo Ridge between Oil Creek and Slate Creek 670 Comment
  CAS-BOT-BC36870  Cakile edentula var. edentula Copeland 1903-6-5 3319 San Mateo Montara Point. Comment
  CAS-BOT-BC36871  Cakile edentula var. edentula W. R. Dudley 1908-10-4 s.n. San Mateo Santa Cruz Mountain Peninsula. Laguna Salada. Comment
  CAS-BOT-BC36872  Cakile edentula var. edentula W. R. Dudley 1897-10-10 s.n. San Mateo Near Pilar Point. Comment
  CAS-BOT-BC36949  Cakile maritima var. maritima John H. Thomas 1963-5-20 10116 San Mateo Ano Nuevo Island about one half mile off shore and about 20 mile northwest of Santa Cruz. Comment
  CAS-BOT-BC185304  Calamagrostis koelerioides W. R. Dudley 1894-7-28 s.n. San Mateo Santa Cruz Mountain Peninsula. Top of Ridge La Honda Road. Comment
  CAS-BOT-BC185149  Calamagrostis nutkaensis A. D. E. Elmer 1903-5-1 5033 San Mateo San Pedro. Comment
  CAS-BOT-BC185151  Calamagrostis nutkaensis A. D. E. Elmer 1903-6-1 4693 San Mateo San Pedro. Comment
  CAS-BOT-BC438531  Calandrinia ciliata H. A. Dutton 1900-2-11 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  JROH3321  Calandrinia ciliata John H. Thomas 1967-5-10 12847 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3326  Calandrinia ciliata John H. Thomas 1976-4-28 18097 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1084389  Calandrinia ciliata G. Thomas Robbins 1937-4-11 99 San Mateo grassy meadow near Spring Valley Lakes (along road to Woodside) Comment
  CAS-BOT-BC438533  Calandrinia ciliata Philip C. Wheeler 1965-5-12 s.n. San Mateo San Bruno Mountain. Pig Ranch Ravine. Comment
  JROH1638  Callitriche marginata D. E. Breedlove 1971-5-3 19323 San Mateo Jasper Ridge Biological Preserve, Stanford University; on bluff above San Francisquito Creek, 500 yards below Searsville Dam Comment
  RSA130402  Calochortus albus Le Roy Abrams 1914-05 5224 San Mateo Searsville Reservoir. Comment
  RSA292631  Calochortus albus Lyman Benson 99 San Mateo Searsville ridge, Stanford University, Santa Cruz Mtns, little San Francisquito Cr. 152 Comment
  UCD139448  Calochortus albus Adeline Fredericks 1920-4-1 s.n. San Mateo Lake San Andreas. Comment
  CAS-BOT-BC492167  Calochortus albus Paul F. Covel 1936-4-24 271 San Mateo ft Saratoga Grade Comment
  CAS-BOT-BC492205  Calochortus albus Le Roy Abrams 1901-5-1 1571 San Mateo Woodside Comment
  CAS-BOT-BC492225  Calochortus albus A. D. E. Elmer 1903-5-1 4846 San Mateo San Mateo Comment
  IRVC9082  Calochortus albus P. W. Rundel 1963-6-11 1117 San Mateo San Fransisco Bay drainage area; Old La Honda Road. Santa Cruz Mountain Range 305 Comment
  JROH4616  Calochortus argillosus John H. Thomas 1960-6-8 8781 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4636  Calochortus luteus John H. Thomas 1976-5-26 18154 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC119756  Calochortus luteus Katharine Brandegee 1905-6-20 San Mateo near Lake Pilarcitos Comment
  CAS-BOT-BC491984  Calochortus luteus Henry J. Thompson 1951-6-10 1501 San Mateo Westridge Hills, just west of Los Trancos Creek, 5 miles west of Palo Alto 121 Comment
  IRVC9063  Calochortus luteus P. W. Rundel 1964-7-8 1362 San Mateo La Honda Road; 1.5 mi. N of Portola Road Santa Cruz Mtns 274 Comment
  POM291026  Calochortus luteus Lyman Benson 1930-5-3 2117 -A San Mateo Hills by Stanford University; Santa Cruz mountain range, Corte Madera Creek watershed 152 Comment
  POM169470  Calochortus tolmiei C. F. Baker 1902-5-10 796 San Mateo Kings Mountain. Comment
  CAS-BOT-BC493993  Calochortus tolmiei Carl B. Wolf 1929-5-22 3722 San Mateo Near base of LaHonda grade, Santa Cruz Mts. 182 Comment
  CAS-BOT-BC494042  Calochortus venustus L. R. Abrams 1930-6-1 1499 San Mateo Serpentine back of Redwood City Comment
  JROH5811  Calycadenia multiglandulosa John Rawlings 2016-8-16 1940 San Mateo Jasper Ridge Biological Preserve, Stanford University; along birder transect path in rocky serpentine prairie on ridge-top (Area C) 174 Comment
  CAS-BOT-BC436446  Calystegia occidentalis Phillip C. Wheeler 1965-6-16 s.n. San Mateo San Bruno Mountain, Colma Canyon east Comment
  CAS-BOT-BC224665  Calystegia purpurata subsp. purpurata Theo. C. Zschokke 1903-7-10 s.n. San Mateo Goat Ranch Road, Corte de [Corte] Madera Creek Comment
  POM271979  Camissonia cheiranthifolia subsp. cheiranthifolia Lyman Benson 1930-8-15 2566 San Mateo San Gregorio Comment
  RSA10280  Camissonia cheiranthifolia subsp. cheiranthifolia H. A. Barker 1927-5-14 670 San Mateo North of Half Moon Bay. Comment
  POM49683  Camissonia ovata L. R. Abrams 1902-4-6 2316 San Mateo Portola Comment
  SEINET5542144  Camissonia ovata H. S. Gentry 1931-1 33 San Mateo Collected 2 miles W of San Bruno. Comment
  CHSC22126  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Robert A. Schlising; Glenn Keator 1962-2-3 2042 San Mateo Coast Ranges. Sand dunes along Hwy 1, 3.9 mi N of jct with Bonnie Doon Road. Comment
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Sep 4 2011
  SD38643  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Edith A. Purer 1934-8-14 5388 San Mateo 2.0 miles south of Pigeon Point. Comment
  POM209849  Campanula prenanthoides D. D. Keck 1934-7-7 2929 San Mateo Kings Mountain, west of summit 610 Comment
  SEINET10463068  Campanula prenanthoides Wolf 1927-7-20 WOLF 646 San Mateo La Honda Grade Comment
  SBBG51277  Capsella bursa-pastoris J. Doty 1969-3-24 582 San Mateo N side of Embarcadero Rd, just W of W boundary of Byxbee Marshlands Wildlife Preserve, Menlo Park 1 Comment
  CHSC68130  Cardamine LeRoy E. Detling 1934-5-13 San Mateo Summit of La Honda Grade. Comment
  CAS-BOT-BC37657  Cardamine californica W. R. Dudley 1894-3-24 s.n. San Mateo Santa Cruz Peninsula. By bridge, upper Pescadero Creek. Comment
  CAS-BOT-BC37685  Cardamine californica David D. Keck 1393 San Mateo Santa Cruz Mountains. La Honda road above Searsville Lake. Comment
  CAS-BOT-BC37690  Cardamine californica Oliver W. Norvell 1931-2-28 1356 San Mateo Kings Mountain Grade. Comment
  CAS-BOT-BC37691  Cardamine californica Alice Eastwood 1933-4-30 s.n. San Mateo Lake Pilarcitos. Comment
  CAS-BOT-BC37692  Cardamine californica Everett O'Bannon; Nancy O'Bannon 1956-4-15 s.n. San Mateo Sawyer's Road, near Crystal Springs Lake above Burlingame and Millbrae. Comment
  CAS-BOT-BC37669  Cardamine californica Reed Clark Rollins 1941-3-16 2943 San Mateo Santa Cruz Mountains. East slope of Kings Mountain, 6 miles west of Woodside. Comment
  CAS-BOT-BC37688  Cardamine californica P. H. Arnaud Jr. 1967-5-6 s.n. San Mateo Redwood Roadside Park on La Honda Road. Comment
  JROH3903  Cardamine californica D. D. Davis 1903-4-6 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS23932  Cardamine californica var. integrifolia LeRoy Abrams 1902-3-16 2274 San Mateo Kings Mountain Comment
  UC1301008  Cardamine californica var. integrifolia Helen K. Sharsmith 1963-2-16 5132 San Mateo slopes San Bruno Mountain (above Daly City); San Francisco Bay Region, , Daly City 106 Comment
  CAS-BOT-BC166805  Cardamine oligosperma Peter Rubtzoff 1976-3-28 8451 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  CAS-BOT-BC37989  Cardamine oligosperma Alice Eastwood 1933-4-30 s.n. San Mateo Lake Pilarcitos. Comment
  JROH1494  Cardamine oligosperma John H. Thomas 1979-4-8 19447 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1499  Cardamine oligosperma John Hunter Thomas 1983-4-5 21322 San Mateo Jasper Ridge Biological Preserve, Stanford University; low-flow crossing Comment
  JROH1504  Cardamine oligosperma John Hunter Thomas 1991-4-11 24982 San Mateo Jasper Ridge Biological Preserve, Stanford University; near bridge Comment
  UC120252  Cardionema ramosissimum T. S. Brandegee Sept. 1901 San Mateo South San Francisco Comment
  JROH582  Carduus pycnocephalus subsp. pycnocephalus John Hunter Thomas 1989-5-9 24708 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA6896  Carduus tenuiflorus D. G. Kelch, B. G. Baldwin 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  JROH584  Carduus tenuiflorus D. E. Breedlove 1971-5-31 19385 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  CAS-BOT-BC281837  Carduus tenuiflorus George Oberlander 1950-5-21 895 San Mateo San Francisco Watershed Reserve. San Andreas Valley Comment
  CDA6895  Carduus tenuiflorus T. C. Fuller 1960-4-2 4078 San Mateo West of Skyline Boulevard, 1.6 miles south of Half Moon Bay Road. 0 Comment
  JEPS48963  Carex amplifolia James G. Daly 1934-1 424 San Mateo upper Corte de Madera Canyon Comment
  NY25691  Carex amplifolia L. Abrams 1915-6-14 5563 San Mateo King's Mountain Road Comment
  UC767142  Carex bolanderi R. F. Hoover 1940-9-1 4547 San Mateo La Honda summit Comment
  CAS-BOT-BC176396  Carex densa Peter Rubtzoff 1975-5-21 7976 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC18929  Carex densa A. D. E. Elmer 1903-6-1 4428 San Mateo Crystal Springs Lake. Comment
  JROH4328  Carex densa John H. Thomas 1967-6-1 12946 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET7556706 Image available Carex densa John Thomas Howell 1938-5-1 13786 San Mateo Near south San Francisco. Comment
  SEINET10649935  Carex dudleyi Lewis S. Rose 1939-4-14 Rose 39064 San Mateo South San Francisco. 15 Comment
  JROH4348  Carex harfordii Carol Zabel 2006-5-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Near the semaphore grass vernal depression. Comment
  JROH4350  Carex harfordii John Rawlings 2010-5-19 1049 A San Mateo Jasper Ridge Biological Preserve, Stanford University. Just beyond NE terminus of Leonard's Bridge, a large clump on the SE verge of the trail. 107 Comment
  CAS-BOT-BC21817  Carex harfordii Alice Eastwood; John Thomas Howell 1938-6-16 6049 San Mateo Ano Nuevo Comment
  POM248613  Carex harfordii J. T. Howell 1938-5-1 13781 San Mateo Near South San Francisco. Comment
  SEINET10883864  Carex laciniata Adolph D. E. Elmer Elmer 2958 San Mateo Lake Merced. Comment
  CAS-BOT-BC119348  Carex obnupta V. F. Hesse 1953-8-22 1190 San Mateo Butano Ridge. 609 Comment
  CAS-BOT-BC119343  Carex obnupta Walter Knight; Irja Knight 1963-10-7 323 San Mateo Cow Trough Ravine. San Bruno Mt. Comment
  RSA788837  Carex obnupta Peter Rubtzoff 1978-3-18 9173 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC117647  Carex serratodens Harry A. Dutton 1900-4-3 s.n. San Mateo Woodside. Comment
  JROH4360  Carex serratodens John Hunter Thomas 1986-6-9 24093 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU16013  Carex serratodens John Rawlings, Ken Hickman 2016-5-26 1813 San Mateo Serpentine seep area (Fountain thistle seep) up-slope from the Hwy 92 west onramp to Hwy 280 north; down-slope from San Francisco Watershed fence line 122 Comment
  CAS-BOT-BC117650  Carex serratodens Lewis Samuel Rose 1936-5-28 36304 San Mateo Emerald L., W of Redwood City. Comment
  SEINET3100624  Carex serratodens Neal Kramer 2012-3-3 2031 a San Mateo Stulsart Park, Redwood City Comment
  RSA40332  Carex subbracteata L. S. Rose 1939-4-14 39063 San Mateo South San Francisco. 15 Comment
  CAS-BOT-BC116817  Carex subbracteata var. subbracteata John Thomas Howell 1938-5-1 13778 San Mateo Near South San Francisco Comment
  CAS-BOT-BC116832  Carex subbracteata var. subbracteata Adolph Daniel Edward Elmer 1903-6-1 4429 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC116827  Carex subbracteata var. subbracteata W. R. Dudley 1908-6-26 s.n. San Mateo Edge of Pond, near Coal Mine Ridge Road. Comment
  CAS-BOT-BC116830  Carex subbracteata var. subbracteata W. R. Dudley 1900-3-17 s.n. San Mateo Field north of Seal Cove. Comment
  JROH4371  Carex tumulicola W. Lennihan 1989-5-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 12 (Mapache), left side of trail in dense section before coming out to meadow. Comment
  SD40038  Carpobrotus chilensis Edith A. Purer 1933-7-27 5393 San Mateo Pigeon Point, two miles south Comment
  CHSC57513  Castilleja affinis Sandy Trimble 1987-4-13 1 San Mateo On the e slope of Hwy 84, 6.7 mi w of Hwy 1 and 8.6 mi e of Hwy 35. 274 Comment
  CAS-BOT-BC249194  Castilleja affinis E. McClintock; Philip Wheeler 1965-5-23 s.n. San Mateo San Bruno Mountain. Below Nike station Comment
  POM15998  Castilleja affinis C. F. Baker 1903-4-6 1877 San Mateo San Bruno Hills near S.F. [San Francisco] Comment
  POM283660A  Castilleja affinis Lyman Benson 1930-5-1 2072 San Mateo Stanford Univ. San Lorenzo mtn range. 152 Comment
  POM298045  Castilleja affinis A. A. Heller 1907-4-20 8442 San Mateo Near Lake Merced. Comment
  UCD18551  Castilleja affinis Roman Gankin 1950-7-9 23 San Mateo On a sea cliff outside city of Pescadero, overlooking the ocean. 6 Comment
  JEPS60420  Castilleja affinis subsp. affinis T. I. Chuang and F. M. Chuang 1969-6-21 6661 San Mateo about 2 mi s Half Moon Bay road junction with Skyline Boulevard Comment
  JROH3932  Castilleja affinis subsp. affinis D. D. Davis 1903-4-10 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Ridge Comment
  JROH3951  Castilleja affinis subsp. affinis John Hunter Thomas 1983-4-28 21780 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1537571  Castilleja affinis subsp. affinis Gordon H. True Jr. 1936-4-5 389 San Mateo between San Gregorio and Pescadero 152 Comment
  JROH3935  Castilleja affinis subsp. affinis Daniel Cohen 1953-4-11 21 San Mateo Jasper Ridge Biological Preserve, Stanford University; off Jasper Ridge Road Comment
  POM15341A  Castilleja ambigua subsp. ambigua Copeland 1903-6-3 3298 San Mateo Montara Point. Comment
  SJSU15806  Castilleja ambigua subsp. ambigua Toni Corelli 2015-5-3 1194 San Mateo Northern edge of Fitzgerald Marine Reserve, and private property adjacent in Moss Beach also know as Vallemar Bluff 14 Comment
  JROH3956  Castilleja attenuata John H. Thomas 1973-4-14 16562 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
  SEINET12288673  Castilleja foliolosa McCallum 1933-1 s.n. San Mateo in Los Trancus Woods Comment
  NY68074  Castilleja franciscana F. W. Pennell 1940-5-15 25420 San Mateo E of upper Crystal Springs Lake, SW of San Mateo. 61.0 Comment
  RSA101001  Castilleja franciscana G. Oberlander 1950-4-23 897 San Mateo North Cahill Ridge, San Francisco Watershed Reserve. Comment
  CAS-BOT-BC243835  Castilleja latifolia Peter H. Raven 1950-4-16 1782 San Mateo Colma Canyon, San Bruno Mts. 182 Comment
  SD4825  Castilleja latifolia Ulysses S. Grant IV June 1925 San Mateo near La Honda Comment
  SEINET12288717  Castilleja latifolia var. wightii Unknown 1932-1 9099 San Mateo between Sky Line Drive & Half Moon Bay Comment
  JROH3997  Castilleja rubicundula subsp. lithospermoides D. E. Breedlove 1971-5-31 19360 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH4001  Castilleja rubicundula subsp. lithospermoides John H. Thomas 1978-5-12 19199 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS83044  Castilleja subinclusa subsp. franciscana Roy E. Buck, Randall A. Morgan, James A. West 1983-7-15 430 San Mateo ca 1.7 km sw Pilarcitos Dam (and 5.8 km nw of intersection of Calif Hwys 35 and 92, along crest of Cahill Ridge, on e side of gravel rd); San Francisco Watershed Reserve, Cahill Ridge 335 Comment
  UC1039782  Castilleja subinclusa subsp. franciscana H. L. Mason 1927-4-23 3678 San Mateo La Honda to Pescadero Creek (via Blumquist Mill) Comment
  JEPS47392  Castilleja wightii L. R. Heckard 1964-6-24 1401 San Mateo just s Lower Crystal Springs Reservoir dam (along Highway 35) 106 Comment
  JEPS60422  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-21 6662 b San Mateo about 2 mi s Half Moon Bay road junction and Skyline Boulevard Comment
  JEPS88833  Castilleja wightii T. I. Chuang 1991-7-20 7879 San Mateo hills just s Rockaway Beach Comment
  RSA10376A  Castilleja wightii H. A. Barker 1926-5-1 606 San Mateo Kings Mt. Comment
  RSA18450  Castilleja wightii Carl B. Wolf 1927-6-29 557 San Mateo South of Pebble Beach near Pescadero. Comment
  UC144532  Castilleja wightii unknown May 1902 799 San Mateo King's Mt. Comment
  UC202800  Castilleja wightii A. D. E. Elmer Jul 1903 4761 San Mateo San Pedro; ; San Pedro, San Mateo Co. Comment
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Nov 23 2007
  RSA18358  Castilleja wightii Carl B. Wolf 1929-5-25 3730 San Mateo Just north of Pigeon Pt. Comment
  RSA184850  Castilleja wightii L. S. Rose 1965-4-22 65026 San Mateo San Bruno Mountain, south of parking lot 366 Comment
  RSA21997  Castilleja wightii J. T. Howell 1938-5-1 13767 San Mateo Colma Canyon. Comment
  JROH1528  Caulanthus lasiophyllus John H. Thomas 1971-4-10 15759 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC39383  Caulanthus lasiophyllus Paul Arnaud 1941-5-3 s.n. San Mateo Redwood City, Jefferson Avenue. Comment
  CAS-BOT-BC39386  Caulanthus lasiophyllus Roxania Strichfield 1910-4-30 490 San Mateo Santa Cruz Mountain Peninsula. Hills near Felt Lake. Comment
  POM222808  Ceanothus cuneatus var. dubius S. S. Berry 1909-2-24 s.n. San Mateo San Francisco Creeks. 30 Comment
  UCSB18615  Ceanothus cuneatus var. ramulosus 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
  CAS-BOT-BC51599  Ceanothus oliganthus var. sorediatus W. R. Dudley 1894-12-13 s.n. San Mateo Above Prestou's, La Honda road Comment
  POM222807  Ceanothus oliganthus var. sorediatus S. S. Berry 1909-3-31 s.n. San Mateo Hill slope near the Hermit. 152 Comment
  CAS-BOT-BC51245  Ceanothus papillosus Josephine D. Randall 1907-4-27 317 San Mateo Santa Cruz Peninsula - King's Mountain Comment
  SBBG28520  Ceanothus papillosus D. D. Keck 1932-5-11 1774 San Mateo E side of Kings Mtn on Kings Mtn Rd 500 Comment
  SEINET12209941  Ceanothus papillosus J. D. McMurphy 1906-1 13 San Mateo King's Mt., Santa Cruz Mts 457 Comment
  CDA34105  Ceanothus papillosus var. papillosus D. G. Kelch, David Gernandt, Steffi Ickert-Bond, Yingli Guo 2011-4-22 11 .152 San Mateo Santa Cruz Mountains; Along Route 9, ~5 km E of Big Basin Redwoods. Comment
  CAS-BOT-BC52279  Ceanothus thyrsiflorus Elizabeth McClintock 1963-2-16 s.n. San Mateo unspecified Comment
  CAS-BOT-BC52297  Ceanothus thyrsiflorus R. Bacigalupi 1922-3-1 s.n. San Mateo lagoon Arroyo de los Frijoles 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
  UC1073367  Ceanothus thyrsiflorus George B. Rossbach 1955-3-26 342 San Mateo San Pedro Point, northwest end Montara Mountains Comment
  UC79918  Ceanothus thyrsiflorus Katharine Brandegee May 1890 19 San Mateo San Gregorio, Santa Cruz Mts. Santa Cruz Mts., San Gregorio Comment
  SBBG4558  Ceanothus thyrsiflorus var. thyrsiflorus H. and M. Dearing 1933-5-14 978 San Mateo S of San Francisco, Skyline Drive 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
  JROH592  Centaurea calcitrapa John Hunter Thomas 1977-6-16 18767 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM55184  Centaurea calcitrapa A. D. E. Elmer 1903-07 4961 San Mateo Crystal Springs Lake Comment
  UC306675  Centaurea calcitrapa A. D. E. Elmer Jul 1903 4961 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC274590  Centaurea calcitrapa W. R. Dudley 1909-10-10 s.n. San Mateo Santa Cruz Mountain Peninsula. In San Mateo ravine, Crystal Springs Reservoir Comment
  CAS-BOT-BC274592  Centaurea calcitrapa Phillip C. Wheeler 1965-6-21 s.n. San Mateo San Bruno Mountain. Sierra Point Comment
  CAS-BOT-BC274596  Centaurea calcitrapa R. E. Frenkel 1963-12-7 318 San Mateo San Francisco Water District, Whiting Ridge Road, ca. 0.4 mile north of the junction with Spring Valley Ridge Road Comment
  UC1925872  Centaurea calcitrapa Ethel Crum 1930-10-26 930 San Mateo San Francisco Peninsula Comment
  POM351515  Centaurea melitensis Paul C. Silva 1948-1-31 2629 San Mateo Old La Honda Grade, 1 mi. S of Skyline Blvd. 457 Comment
  RSA101008  Centaurea melitensis G. Oberlander 1950-5-6 895 San Mateo Near San Anreas Lake, San Francisco Watershed Reserv Comment
  JROH607  Centaurea solstitialis John Hunter Thomas 1982-6-7 21027 San Mateo Jasper Ridge Biological Preserve, Stanford University; old sandy beach Comment
  RSA17963  Centaurea solstitialis C. B. Wolf 1927-8-13 716 San Mateo Woodside Comment
  CDA38621  Centaurea stoebe subsp. micranthos D. Petersen 2012-9-17 PDR# MVAP 06098624 San Mateo Hillsborough; off of Polhemus Road; south shaft of New Crystal Springs Bypass Tunnel Project's muck disposal site (aka the upper terrace). 0 Comment
  UCR123143  Centaurium muehlenbergii George K. Helmkamp, E. A. Helmkamp 2001-6-2 6795 San Mateo Central Coast, Purissima Creek Rd., 0.9 mi from Calif. Hwy 1(junction about 4 mi south of Half Moon Bay) 91 Comment
  SJSU15406  Centaurium tenuiflorum Toni Corelli 2011-8-25 716 a San Mateo Pescadero State Beach and Marsh Natural Preserve, Round Hill Trail at the end of Water Lane Road 12 Comment
  SJSU15427  Centaurium tenuiflorum Toni Corelli 2011-8-25 716 b San Mateo Pescadero State Beach and Marsh Natural Preserve, Round Hill Trail at the end of Water Lane Road 12 Comment
  CAS-BOT-BC272816  Centromadia parryi subsp. parryi David D. Keck 1931-10-5 1291 San Mateo Salada Beach Comment
  SEINET8734815 Image available Centromadia pungens Lewis S. Rose 1938-1 38231 San Mateo San Mateo 6 Comment
  UC894337  Centromadia pungens subsp. pungens Roxana Stinchfield 1915-9-19 250 San Mateo fields near Salt Marshes; Palo Alto Comment
  JROH1691  Cerastium glomeratum John H. Thomas 1968-3-17 14191 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC135473  Cercocarpus betuloides var. betuloides James McMurphy 1906-4-4 s.n. San Mateo Creek above Judge Allen's Ranch Comment
  CHSC263  Chamaemelum nobile J. Turner 1930-5-2 San Mateo Moss Beach. Comment
  UC463309  Chenopodium chenopodioides L. R. Abrams and I. L. Wiggins 1930-11-13 178 San Mateo Salada Beach; margin of pond Comment
  POM158031  Chenopodium macrospermum var. farinosum L. R. Abrams 1903-9-26 4018 San Mateo Border of Bay back of Menlo Park. Comment
  POM177325  Chenopodium macrospermum var. farinosum L. R. Abrams, I. Wiggins 1930-11-13 178 San Mateo Margin of pond at DSalada Beach. Comment
  UCSB61628  Chenopodium murale True, Jr., Gordon 1937-10-16 San Mateo Near Thornton 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-BC497722  Chlorogalum pomeridianum Cherie Wetzel 1969-6-20 868 San Mateo Serpentine near Canada College, Redwood City, just off of Farm Hill Blvd Comment
  SD39112  Chlorogalum pomeridianum Edith A. Purer 1933-5-31 3618 San Mateo Grade to Half Moon Bay. Comment
  JROH4643  Chlorogalum pomeridianum var. pomeridianum T. H. Lamb 1895-6-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge near the Searsville Dam Comment
  RSA133889  Chlorogalum pomeridianum var. pomeridianum John H. Thomas 1958-6-11 7222 San Mateo About 4.3 miles due E of Belmont near Crystal Springs Reservoir. 91 Comment
  CAS-BOT-BC246318  Chloropyron maritimum subsp. palustre L. R. Abrams 1914-7-16 5124 San Mateo Cooley's Landing on San Francisco Bay Comment
  CAS-BOT-BC246303  Chloropyron maritimum subsp. palustre J. W. Congdon 1881-5-24 s.n. San Mateo 14 mines south of San Francisco Comment
  CDA33536  Chondrilla juncea John Beall 2010-6-21 PDR# 1621666 San Mateo San Carlos, city block of El Camino Real, Olive Street, Arroyo St, & Laurel Street. 0 Comment
  CAS-BOT-BC191592  Chorizanthe cuspidata var. cuspidata W. R. Dudley 1901-5-11 s.n. San Mateo near Colma. Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC36405  Chrysolepis chrysophylla George Oberlander 1949-8-8 411 San Mateo Southern Cahill Ridge Comment
  RSA18289  Chrysolepis chrysophylla Carl B. Wolf 1927-6-21 428 San Mateo East slope of Kings Mt. Comment
  RSA476618  Chrysolepis chrysophylla L. H. Jones 1909-3-13 s.n. San Mateo On King's Mountain Road, Stanford University. 762 Comment
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Sep 22 2011
  UCD166158  Chrysolepis chrysophylla Jack Major; M. Forde and S. Bamberg 1962-4-3 742 San Mateo Near Ano Nuevo Point. (Exact location unknown. Coordinates estimated by label maker.) Comment
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Oct 15 2021
  UC1135217  Chrysolepis chrysophylla var. minor C. M. Belshaw 1935-1-25 1469 San Mateo 2.5 mi nw Sierra Moreno Peak; Santa Cruz Quad. 457 Comment
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Oct 3 2011
  CAS-BOT-BC36408  Chrysolepis chrysophylla var. minor C. B. Wolf 1931-8-21 2335 San Mateo Upper Sonoran. 1/2 way up the east side of Kings Mt. 365 Comment
  JROH2580  Cicendia quadrangularis Rimo Bacigalupi 1922-4-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC277887  Cirsium brevistylum David D. Keck 1934-7-7 2932 San Mateo Kings Mountain, west of summit 579 Comment
  CAS-BOT-BC277891  Cirsium brevistylum Peter H. Raven 1957-6-24 968 San Mateo 0.6 miles s. of San Gregorio Beach Comment
  CAS-BOT-BC277893  Cirsium brevistylum Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain. Quarry 4 Comment
  RSA18503  Cirsium brevistylum C. B. Wolf 1927-7-14 617 San Mateo Summit of Kings Mt. Comment
  CAS-BOT-BC100944  Cirsium fontinale var. fontinale A. D. E. Elmer 1903-6-1 4292 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC285671  Cirsium occidentale var. occidentale A. A. Heller 1906-6-8 8379 San Mateo Near Ocean View, San Francisco, on the Lake Merced side of the Ocean Shore tracks Comment
  JROH630  Cirsium occidentale var. occidentale John Hunter Thomas 1979-6-12 19590 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam near "old" low-flow crossing Comment
  POM54352  Cirsium occidentale var. venustum A. D. E. Elmer 1903-06 4259 San Mateo Crystal Springs Lake. Comment
  UCD130668  Cirsium occidentale var. venustum W. A. Harvey; J. M. Tucker 1948-6-29 1708 San Mateo Beside road to Portola State Park, just west of junction with Highway 5 (Skyline Boulevard). Comment
  CAS-BOT-BC280510  Cirsium quercetorum Alice Eastwood 1912-6-10 342 San Mateo Crystal Springs Comment
  CAS-BOT-BC280516  Cirsium quercetorum R. S. Ferris 1921-5-1 2184 San Mateo Arroyo de Los Frijoles Comment
  CAS-BOT-BC280520  Cirsium quercetorum A. D. E. Elmer 1903-6-1 4290 San Mateo Crystal Springs Lake Comment
  JEPS121559  Cirsium quercetorum Adam C. Schneider 2013-5-17 168 San Mateo Crystal Springs Reservoir 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
  CAS-BOT-BC280512  Cirsium quercetorum W. R. Dudley 1893-5-17 s.n. San Mateo Santa Cruz Mountain Peninsula. Hills near Millbrae Comment
  CAS-BOT-BC280526  Cirsium quercetorum Alice Eastwood; John Thomas Howell 1938-6-26 6054 San Mateo 2 miles south of San Gregorio Comment
  CDA7143  Cirsium vulgare D. G. Kelch 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  JROH641  Cirsium vulgare John Hunter Thomas 1983-7-7 22813 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing Comment
  JROH643  Cirsium vulgare John Hunter Thomas 1992-7-24 25387 San Mateo Jasper Ridge Biological Preserve, Stanford University; near boat ramp Comment
  CAS-BOT-BC285864  Cirsium vulgare John H. Thomas 1963-7-19 10198 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  UCD130823  Cirsium vulgare Otto T. Solbrig 1958-8-3 2920 San Mateo near road on Highway 5, Crystal Spring Lake. 30 Comment
  CAS-BOT-BC162605  Clarkia Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo Quarry 3 - San Bruno Mountains Comment
  SJSU15228  Clarkia amoena subsp. whitneyi Toni Corelli 2012-7-12 804 San Mateo Wavecrest, north of Redondo Road, west of Highway 1 in Half Moon Bay 24 Comment
  RSA60758  Clarkia davyi A. A. Heller 1906-6-8 8382 San Mateo Near Ocean View, San Francisco Comment
  JROH3010  Clarkia purpurea subsp. viminea D. E. Breedlove 1971-5-31 19347 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH3008  Clarkia purpurea subsp. viminea Duncan M. Porter 1960-5-26 702 San Mateo Jasper Ridge Biological Preserve, Stanford University; N part of ridge, above Searsville Lake Comment
  CAS-BOT-BC165124  Clarkia rubicunda J. H. Thomas 1953-7-25 3504 San Mateo About 200 yards north of Pigeon Pt. Light House Comment
  CAS-BOT-BC165170  Clarkia rubicunda L. R. Abrams 1907-8-26 s.n. San Mateo Kings Mountain Comment
  JROH3024  Clarkia rubicunda John Hunter Thomas 1978-7-2 19244 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3029  Clarkia rubicunda John Hunter Thomas 1982-7-8 21080 San Mateo Jasper Ridge Biological Preserve, Stanford University; west end of dam Comment
  UC114009  Clarkia rubicunda Katharine Brandegee 1908-7-26 San Mateo near Half Moon Bay; Moss Beach Comment
  UCR3564  Clarkia rubicunda Wm. Horn Jr. 1963-8-26 630826- 03 San Mateo 1.5 mi. east of Tunitas Beach, on Tunitas Creek Road 76 Comment
  SDSU8697  Clarkia rubicunda D. F. Howe 1963-7-31 3648 San Mateo Sea bluff, 3 miles south of Pacifica on #1 Comment
  UCSC007594  Clarkia rubicunda subsp. blasdalei Randall Morgan 2010-5-29 5038 San Mateo Rockaway Beach Comment
  CAS-BOT-BC165602  Clarkia unguiculata John H. Thomas 1969-6-4 15105 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto Comment
  CAS-BOT-BC439294  Claytonia exigua subsp. exigua John H. Thomas 1971-5-2 15854 San Mateo Near intersection of Canada and Edgewater roads. About 4 miles SW of center of Redwood City. 304 Comment
  CAS-BOT-BC439590  Claytonia parviflora subsp. parviflora Margaret A. Barry 1937-5-15 98 San Mateo On Coal Mine Ridge Comment
  JROH3341  Claytonia parviflora subsp. parviflora John Rawlings, Ann Lambrecht 2010-5-5 1096 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 9 just south of the dwarf interior live oaks. 144 Comment
  CAS-BOT-BC439592  Claytonia parviflora subsp. parviflora W. R. Dudley 1896-4-17 s.n. San Mateo Pescadero Creek Comment
  JROH3346  Claytonia perfoliata subsp. perfoliata John H. Thomas 1967-4-28 12725 San Mateo Jasper Ridge Biological Preserve, Stanford University; near "Oaks" Comment
  CAS-BOT-BC91483  Clematis lasiantha J. I. McMurphy 1906-4-30 20 San Mateo Santa Cruz Peninsula. Santa Cruz Mountains. Portola Valley. Comment
  CAS-BOT-BC91486  Clematis lasiantha C. F. Baker 1902-4-12 499 San Mateo La Honda. Comment
  POM151213  Clematis lasiantha C. F. Baker 1902-4-12 499 San Mateo La Honda. Comment
  JROH2881  Clinopodium douglasii John Hunter Thomas 1986-6-7 24087 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD18535  Clinopodium douglasii Roman Gankin 1950-6-25 2 San Mateo about 2 miles from Alameda de Las Puigas Rd., behind Stanford University, off Sandhill Rd. 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
  JROH5692  Collinsia heterophylla var. heterophylla John Rawlings 2015-3-31 1419 San Mateo Jasper Ridge Biological Preserve, Stanford University; about 75 meters upstream of footbridge on Trail 11 135 Comment
  CAS-BOT-BC240925  Collinsia multicolor C. F. B. 1902-4-6 647 San Mateo Crystal Springs Lake Comment
  CHSC56998  Collinsia multicolor Josephine Boyd 1988-5-11 San Mateo Along the old stagecoach roal parallel to Crystal Springs Road ca 250 ft sw of its jct. with Polhemus Road in San Mateo. 83 Comment
  JROH5923  Collinsia sparsiflora var. collina Herbert Dengler 1963-5-6 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; serp by "up" road SW of S.R. [Searsville Rocks] Comment
  JROH215  Conium maculatum John Hunter Thomas 1981-5-5 20541 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH1851  Convolvulus arvensis John Hunter Thomas 1985-5-7 23646 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA120502  Corallorhiza maculata S. S. Tillett, I. Sternback 1956-6-25 546 San Mateo Along ridge on border of Middleton property and Portola State Park, south side of road to park 396 Comment
  UC26325  Cordylanthus maritimus subsp. palustris J. Burtt Davy 1893-6-17 773 San Mateo Belmont South Coast Ranges Comment
  LA209069  Cordylanthus pilosus subsp. hansenii L. S. Rose; 1941-8-9 41362 San Mateo Woodside 60.0 Comment
  JROH4025  Cordylanthus pilosus subsp. pilosus John H. Thomas 1970-7-5 15660 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM263616  Cordylanthus pilosus subsp. pilosus L. S. Rose 1941-8-9 41362 San Mateo Woodside. 60 Comment
  RSA133854  Corethrogyne filaginifolia var. californica John H. Thomas 1958-6-11 7221 San Mateo About 4.3 miles due E of Belmont near Crystal Springs Reservoir. 91 Comment
  RSA176524  Cornus californica John H. Thomas 1961-5-5 9211 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Along San Francisquito Creek below Searsville Dam. 76 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
  CAS-BOT-BC209818  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
  CAS-BOT-BC209821  Cornus glabrata C. B. Wolf 1931-8-20 2329 San Mateo 3 miles west of Mayfield on road to La Honda 91 Comment
  POM211526  Cornus glabrata C. B. Wolf 1931-8-20 2329 San Mateo 3 miles west of Mayfield on road to La Honda. 91 Comment
  CAS-BOT-BC190041  Cortaderia jubata Phillip C. Wheeler 1965-8-14 s.n. San Mateo San Bruno Mountain. Brisbane Lagoon. Comment
  CDA18371  Cortaderia jubata G. D. Barbe 1978-9-26 2443 San Mateo Skylawn Memorial Park; drive from Hwy 92 into the park. 716 Comment
  JROH5668  Cortaderia selloana John Rawlings 2013-12-3 1242 San Mateo Jasper Ridge Biological Preserve, Stanford University; west side of the Corte Madera Creek main channel, visible from Trail 13. 109 Comment
  CAS-BOT-BC180277  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1965-4-4 s.n. San Mateo In Bitter Cherry Ravine at the upper part. 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-BC180372  Corylus cornuta subsp. californica Baki Kasapligil 1967-7-18 4171 San Mateo Colma Canyon, San Bruno Mt. Exp. NW 100 Comment
  HSC23909  Corylus cornuta subsp. californica Mary Katherine Wicksten 1971-6-17 81 San Mateo Huddart Park above Oak Flat Comment
  JROH1333  Corylus cornuta subsp. californica John H. Thomas 1974-5-3 17246 San Mateo Jasper Ridge Biological Preserve, Stanford University; in redwood area below dam Comment
  RSA15260  Corylus cornuta var. californica C. B. Wolf 1927-2-26 223 San Mateo Near the road on the La Honda Grade. Comment
  CAS-BOT-BC453504  Cotoneaster lacteus Elizabeth McClintock 1978-7-1 s.n. San Mateo Colma Canyon; San Bruno Mountains 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-BC291459  Cotula coronopifolia Elizabeth McClintock; Paul Reeberg 1988-8-12 s.n. San Mateo San Bruno Mountains Comment
  CAS-BOT-BC291469  Cotula coronopifolia Elmer I. Applegate 1895-3-9 293 San Mateo Field near Woodside Comment
  UC1119273  Cotula coronopifolia G. E. Sindel 1935-7-25 313 San Mateo mouth Pescadero Creek Comment
  CAS-BOT-BC427608  Crassula aquatica Peter Rubtzoff 1965-10-19 5663 San Mateo Margin of Pilarcitos Lake Comment
  CAS-BOT-BC427832  Crassula connata John H. Thomas 1961-5-7 9260 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  JROH1894  Crassula tillaea Toni Corelli 2008-3-10 344 San Mateo Jasper Ridge Biological Preserve, Stanford University; below Searsville Lab in bare areas along old road cut 113 Comment
  JROH3657  Crataegus monogyna John Hunter Thomas 1987-4-30 24212 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near the trailers Comment
  CAS-BOT-BC290331  Crepis Ira L. Wiggins 1979-8-26 22250 San Mateo Alley between Woodland and Central Avenues, running from Pope Street to Gilbert Street, Menlo Park Comment
  CAS-BOT-BC290923  Crepis vesicaria John Thomas Howell 1956-5-1 31316 San Mateo Just s. of Woodside on road to Searsville Comment
  JEPS100484  Crocosmia X crocosmiiflora Dean Wm. Taylor, Shelia Byrne 2000-8-1 17540 San Mateo western slope near summit of Scarper Peak; Santa Cruz Mountains, Montara Mountain 502 Comment
  JROH4980  Crypsis schoenoides John Hunter Thomas 1980-11-12 20168 San Mateo Jasper Ridge Biological Preserve, Stanford University. Delta Comment
  JROH5724  Crypsis schoenoides John Rawlings 2015-9-22 1639 San Mateo Jasper Ridge Biological Preserve, Stanford University. In mud of Corte Madera Creek delta near open water 104 Comment
  JROH1386  Cryptantha clevelandii var. florosa Toni Corelli 2003-5-28 262 San Mateo Jasper Ridge Biological Preserve, Stanford University. Bird marker along Trail 9 at edge of chaparral. 140 Comment
  SJSU7524  Cryptantha flaccida L. S. Rose 1966-5-2 66032 San Mateo Emerald L, W of Redwood City 91 Comment
  RSA157756  Cryptantha micromeres I. L. Wiggins 1925-4-11 1611 San Mateo San Mateo County, E of rock Crusher on San Francisquito Creek. Comment
  JROH1378  Cryptantha microstachys John Hunter Thomas 1978-5-16 19213 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA92810  Cryptantha microstachys P. H. Raven 1950-4-16 1801 San Mateo Summit ridge, San Bruno Mountains. 244 Comment
  RSA44330  Cupressus abramsiana Harry A. Dutton 1949-9-12 s.n. San Mateo Common corners of Sec. 11 & 12 and 13 &14, Range 4 West, North bank of North Fork of Butano Creek Comment
  CAS-BOT-BC224412  Cuscuta californica George Oberlander 1950-7-15 1040 San Mateo San Francisco Watershed Reserve Comment
  JROH1861  Cuscuta occidentalis John Rawlings 2011-10-18 1095 B San Mateo Jasper Ridge Biological Preserve, Stanford University. Boat launch below Searsville Lab. 104 Comment
  UCD127346  Cyclospermum leptophyllum John Thomas Howell 1975-9-13 51507 San Mateo Hillside Street just west of El Camino, Burlingame. Comment
  CAS-BOT-BC287329  Cynara cardunculus J. H. Thomas 1958-10-21 7487 San Mateo Near intersection of Bayshore Highway and Main St, Redwood City, near slough Comment
  CAS-BOT-BC287331  Cynara cardunculus J. H. Thomas 1958-10-21 7487 San Mateo Near intersection of Bayshore Highway and Main St, Redwood City, near slough Comment
  CAS-BOT-BC287338  Cynara cardunculus John Thomas Howell 1956-11-14 31961 San Mateo Bayshore Highway just S of Main St, Redwood City Comment
  JEPS22117  Cynara cardunculus subsp. cardunculus J. H. Thomas 1958-10-21 7487 San Mateo near intersection of Bayshore Highway and Main Street; Redwood City Comment
  UC1598121  Cynara cardunculus subsp. cardunculus John Thomas Howell 1956-11-14 31961 San Mateo just s Main Street (Bayshore Highway); Redwood City Comment
  CAS-BOT-BC190209  Cynodon dactylon Ira L. Wiggins 1980-8-29 22257 San Mateo Gravelly bed of San Francisquito Creek, ca. 75 m upstream from Pope Street bridge, Menlo Park. Comment
  JROH5004  Cynodon dactylon John H. Thomas 1973-6-10 16819 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD166157  Cynoglossum grande Jack Major; M. Forde and S. Bamberg 1962-4-3 740 San Mateo Along road near Scott Creek. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET12280949  Cynoglossum grande Unknown 1932-1 8924 San Mateo Comment
  CAS-BOT-BC114452  Cyperus eragrostis John Thomas Howell 1926-10-9 2216 San Mateo Near Lake San Andreas Comment
  CAS-BOT-BC114456  Cyperus eragrostis W. R. Dudley 1908-6-19 s.n. San Mateo Road from Tanforan to Jersey Dairy. Comment
  CAS-BOT-BC114460  Cyperus eragrostis Jane Reese 1966-6-11 123 San Mateo Whiskey hill road, 1 mi from Junction with Woodside road. 152 Comment
  UCD141113  Cyperus eragrostis Lewis S. Rose 1965-9-20 65107 San Mateo Burlingame, Trousdale Dr. and California Dr. 9 Comment
  JROH4393  Cyperus erythrorhizos John H. Thomas 1978-9-24 19339 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along Searsville Lake. Comment
  JROH20  Cystopteris fragilis Herbert Dengler 1961-4-9 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. San Francisquito Creek Comment
  RSA176822  Cytisus monspessulanus John H. Thomas 1961-5-5 9208 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-BC198192  Cytisus scoparius Charles Piper Smith 1922-4-29 3507 San Mateo Lake San Andreas Comment
  CAS-BOT-BC189821  Dactylis glomerata Elizabeth McClintock; Paul Reeberg 1988-6-28 s.n. San Mateo San Bruno Mountains. Along Old Guadalupe Trail. 213 Comment
  JROH5028  Dactylis glomerata John Hunter Thomas 1988-5-12 24458 San Mateo Jasper Ridge Biological Preserve, Stanford University. Grassy area near bridge between the two parts of Searsville Lake Comment
  POM199070  Danthonia californica var. californica A. D. E. Elmer 1903-06 4707 San Mateo Crystal Springs Lake. Comment
  JROH1903  Datisca glomerata John H. Thomas 1961-6-14 9543 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH225  Daucus pusillus John H. Thomas 1970-4-28 15610 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH226  Daucus pusillus John H. Thomas 1974-4-24 17188 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA470468  Daucus pusillus T. Gertrude Williamson 1924-6-28 s.n. San Mateo Moss Beach Comment
  SEINET12118157  Daucus pusillus Unknown 1932-1 9190 San Mateo Los Francos Woods Comment
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Nov 1 2021
  JEPS44412  Deinandra corymbosa Lewis S. Rose 1965-9-4 65100 San Mateo Skyline Blvd and Half Moon Bay Road; Cahill Ridge 243 Comment
  SD30844  Deinandra corymbosa Edith A. Purer 1933-5-31 3662 San Mateo Spring Valley Lakes. Comment
  UC406882  Deinandra corymbosa David D. Keck 1927-6-10 396 San Mateo Comment
  CAS-BOT-BC299189  Deinandra corymbosa subsp. corymbosa A. D. E. Elmer 1903-7-1 4963 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC299196  Deinandra corymbosa subsp. corymbosa J. H. Thomas 1949-6-4 592 San Mateo Along the coast 1.4 miles s. of road to Pescadero Comment
  CAS-BOT-BC299214  Deinandra corymbosa subsp. corymbosa Walter Knight; Irja Knight 1963-10-7 s.n. San Mateo Quarry at end of School St. near Hillside Blvd., South San Francisco, San Bruno Mountain Comment
  SJSU8526  Deinandra pentactis M. Perry 1979-10-5 210 San Mateo Cloverdale Road 0.25 mi N of its junction with Gazos Creek Road E of Pigeon Point Comment
  CAS-BOT-BC292113  Delairea odorata James McMurphy 1905-10-19 s.n. San Mateo Above Portola Comment
  JROH681  Delairea odorata Cary Tronson 2007-11-5 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near horse trail along Corte Madera Creek, near the collection site of many-flowered tobacco Comment
  CAS-BOT-BC292118  Delairea odorata John H. Thomas 1967-2-9 12404 San Mateo Montara. Near 3rd St. and Farallones Ave. Comment
  JROH3435  Delphinium californicum subsp. californicum John Hunter Thomas 1977-6-16 18771 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC9236  Delphinium decorum W. R. Dudley 1896-4-17 s.n. San Mateo Pasture near Pebble Beach, Pescodero Comment
  UC1046498  Delphinium decorum subsp. tracyi R. Bacigalupi, L. Constance, Ritchie and Sarah Bell 1951-3-25 3205 San Mateo near San Francisco; Colma Canyon 137 Comment
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Sep 27 2007
  UC9150  Delphinium decorum subsp. tracyi Ivar Tidestrom May 1894 San Mateo Comment
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Jun 4 2007
  UC570175  Delphinium hesperium subsp. hesperium N. K. Carlson 1935-6-29 107 San Mateo 1 mi s Pescadero 91 Comment
  RSA10344  Delphinium nudicaule H. A. Barker 1926-5-1 575 San Mateo Kings Mt. 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-BC116524  Delphinium patens subsp. patens J. H. Thomas 1954-5-7 4067 San Mateo Near Skyline Blvd. about 2 miles SW of Black Mountain 655 Comment
  JROH3456  Delphinium patens subsp. patens John H. Thomas 1977-4-21 18540 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3461  Delphinium patens subsp. patens John Hunter Thomas 1991-4-11 24987 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5730  Delphinium patens subsp. patens John Rawlings 2013-4-11 1199 San Mateo Jasper Ridge Biological Preserve, Stanford University. Northwest side of small drainage upstream from the upper bridge on Trail 11. 134 Comment
  UC9239  Delphinium variegatum J. Burtt Davy 1895-4-20 1067 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC7934  Delphinium variegatum Lewis S. Rose 1933-4-30 33125 San Mateo Redwood City Comment
  JROH5048  Deschampsia danthonioides John H. Thomas 1975-5-26 17917 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC201910  Deschampsia elongata W. R. Dudley 1910-5-26 s.n. San Mateo Coal Mine Ridge, near Black Mt. Comment
  JROH5060  Deschampsia elongata John H. Thomas 1973-6-15 16844 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA475251  Deschampsia elongata Lyman Benson 1937-7-8 8445 San Mateo Lake Searsville, Stanford University; Santa Cruz Mt. Range 122 Comment
  UCSB294  Deschampsia elongata Kraebel, C. 1932-7-24 San Mateo no data Comment
  JEPS18169  Dicentra formosa Rimo Bacigalupi with Dempster, Robbins and Galen Smith 1956-5-15 5648 San Mateo center of Montara Mt. (on summit fire trail) 487 Comment
  UC9936  Dicentra formosa J. Burtt Davy 1895-4-21 1060 San Mateo Pilarcitos Creek Comment
  CAS-BOT-BC500928  Dichelostemma capitatum Ned Cahill 1974-4-23 164 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  SEINET5548143  Dichelostemma capitatum H. S. Gentry 1931-1 5 San Mateo Collected 1.5 miles west of San Mateo, Half-moon Bay road. Comment
  UCR156574  Dichelostemma capitatum subsp. capitatum P. W. Rundel 1962-4-15 1030 San Mateo San Francisco Bay Region, La Canada Rd., 1 mi N of Pulgas Water Temple [near Upper Crystal Springs Reservoir] 122 Comment
  IRVC9053  Dichelostemma capitatum subsp. capitatum P. W. Rundel 1962-4-15 1030 San Mateo La Canada Road; 1 mi. N of Pulgas Water Temple. 122 Comment
  CAS-BOT-BC502169  Dichelostemma congestum Fred Hemphill 1973-4-22 666 San Mateo San Carlos. Chaparral area north of Malabar Road and Melendy Drive. 207 Comment
  JROH4662  Dichelostemma congestum John H. Thomas 1964-4-29 10333 San Mateo Jasper Ridge Biological Preserve, Stanford University. Oakwoodland near Searsville end of ridge Comment
  JROH4665  Dichelostemma congestum John Hunter Thomas 1982-4-23 20836 San Mateo Jasper Ridge Biological Preserve, Stanford University. Picnic area Comment
  CAS-BOT-BC209018  Digitaria sanguinalis Lewis S. Rose 1965-9-20 65108 San Mateo Trousdale Dr. & California Dr., Burlingame 9 Comment
  JROH5076  Digitaria sanguinalis H. J. Dengler 1965-8-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. In S.F. Creek bed, a few hundred yards below N. bend, at the Dennis Martin settlement site. 71 Comment
  JEPS127891  Dipsacus sativus Adam C. Schneider with C. Matt Guilliams and Will Freyman 2014-6-24 301 San Mateo Crystal Springs Reservoir Comment
  CAS-BOT-BC121856  Dirca occidentalis Lewis S. Rose 1939-4-12 39060 San Mateo Crystal Springs Lake 152 Comment
  CAS-BOT-BC121860  Dirca occidentalis Walter Knight; Irja Knight; James B. Roof; Gregory Whipple; Ihsan A. Al-Shehbaz 1969-9-22 2792 San Mateo 0.9 miles from Pilarcitos Dam en route to Montara Mountain. On San Francisco Water Dept. Property. 274 Comment
  CAS-BOT-BC121862  Dirca occidentalis W. R. Dudley 1900-3-17 s.n. San Mateo Near top of Montara Mtn Comment
  CAS-BOT-BC121866  Dirca occidentalis John Thomas Howell 1945-7-8 30012 San Mateo 0.5 mile below Lake Pilarcitos dam Comment
  OBI78487  Dirca occidentalis Lewis S. Rose 1964-3-9 64004 San Mateo N end of Crystal Springs Lake 122 Comment
  SEINET3821107 Image available Dirca occidentalis Lewis S. Rose 1933-6-9 33222 San Mateo San Andreas Lake. Comment
  SBBG33466  Dirca occidentalis A. D. E. Elmer -Mar-1903 4123 San Mateo Alpine Road Comment
  POM277214  Disporum hookeri var. hookeri Lyman Benson 1931-2-28 2614 San Mateo Town: Woodside; Mt. Range: Santa Cruz; River: San Francisquito Cr. 183 Comment
  UC3576  Disporum smithii J. Burtt Davy 1895-4-21 1057 San Mateo Pilarcitos Creek Comment
  CDA19686  Dittrichia graveolens J. Beall 2001-10-18 PDR 064552 San Mateo North Coast; East end of Weeks St. next to Bay Lands Nature Preserve vicinity of East Palo Alto. 0 Comment
  JROH683  Dittrichia graveolens Toni Corelli 2005-10-12 306 San Mateo Jasper Ridge Biological Preserve, Stanford University. bike bowl, east of Main Road 121 Comment
  SEINET11973366  Dodecatheon clevelandii Unknown 1930-1 7436 San Mateo Jasper Ridge Comment
  JROH3386  Dodecatheon hendersonii Herbert Dengler 1973-2-23 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. In oaks towards E. serp. Top of knoll from gully below 2nd enclosure. Comment
  JROH1507  Draba verna J. H. Thomas 1980-4-23 19896 San Mateo Jasper Ridge Biological Preserve, Stanford University; in road below dam Comment
  JROH1509  Draba verna John Hunter Thomas 1982-4-4 20820 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  CAS-BOT-BC159530  Drymocallis glandulosa var. glandulosa J. Clausen 1941-7-1 1872 San Mateo Summit of Montara Mountain 274 Comment
  CAS-BOT-BC159532  Drymocallis glandulosa var. glandulosa Margaret A. Barry 1937-5-15 111 San Mateo Woods on Coal Mine Ridge Comment
  CAS-BOT-BC159536  Drymocallis glandulosa var. glandulosa W. R. Dudley 1896-4-18 s.n. San Mateo Pebble Beach at Pescadero - Santa Cruz Peninsula Comment
  RSA100999  Drymocallis glandulosa var. wrangelliana G. Oberlander 1950-4-2 559 San Mateo Near San Andreas Lake, San Francisco Watershed Reserve Comment
  UC481507  Drymocallis glandulosa var. wrangelliana H. F. Copeland 1929-7-4 San Mateo La Honda Grade Comment
  CAS-BOT-BC67879  Dryopteris arguta John H. Thomas 1961-5-7 9296 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  JROH41  Dryopteris arguta John Hunter Thomas 1982-11-8 21257 C San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH42  Dryopteris arguta John H. Thomas 1964-11-29 10543 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek below dam. Comment
  CAS-BOT-BC67897  Dryopteris arguta Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountain - Wax Myrtle Ravine, Six-Fern Rock Comment
  POM193661  Dryopteris arguta L. R. Abrams 1901-12-29 2251 San Mateo Santa Cruz Mountains Comment
  SEINET11619627  Dryopteris arguta Unknown 1929-1 7295 San Mateo Kings Mt Comment
  UC830943  Dudleya farinosa Lewis S. Rose 1937-9-5 37646 San Mateo Mussel Rocks 60 Comment
  CAS-BOT-BC428367  Dudleya farinosa Robt. T. Orr 1961-7-28 s.n. San Mateo Ano [Ano] Nuevo Island Comment
  JROH1815  Dysphania ambrosioides John Hunter Thomas 1980-11-12 20165 San Mateo Jasper Ridge Biological Preserve, Stanford University; delta Comment
  CAS-BOT-BC208923  Echinochloa crus-galli Paul Reeberg; Jake Sigg; Peter Rubtzoff 1991-8-10 s.n. San Mateo P.G.&E. Marsh - San Bruno Mountains Comment
  JROH5088  Echinochloa crus-galli John Hunter Thomas 1979-9-9 19713 San Mateo Jasper Ridge Biological Preserve, Stanford University. Lake edge and delta. Comment
  JROH4307  Echinodorus berteroi John Hunter Thomas 1981-7-12 20701 San Mateo Jasper Ridge Biological Preserve, Stanford University; on sandy beach Comment
  UC1224611  Echium John H. Thomas 1964-6-28 10436 San Mateo ca. 1.1 mi. e. Half Moon Bay (on rd. to Crystal Springs Lake) Comment
  JROH1912  Elatine brachysperma John Hunter Thomas 1982-8-13 21137 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC112953  Eleocharis macrostachya W. R. Dudley 1908-6-19 s.n. San Mateo By pond S of Road from Tanforan to Jersey Farm Dairy. Comment
  CAS-BOT-BC113151  Eleocharis palustris Elizabeth McClintock; P. Reeberg 1989-5-2 s.n. San Mateo PG & E Marsh 4 Comment
  POM144786  Eleocharis palustris A. D. E. Elmer 1903-07 4767 San Mateo San Pedro. Comment
  JROH5115  Elymus X hansenii D. E. Breedlove 1971-5-31 19368 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JEPS100765  Elymus californicus Dean W. Taylor 2000-6-12 17464 San Mateo Montara Mountain, Scarper Peak, western slope of the peak near the summit 502 Comment
  JEPS113013  Elymus californicus Dean W. Taylor 1994-5-10 14279 San Mateo along Crystal Springs Road 0.3 mi e of junction of Tartan Trail (Santa Cruz Mountains, San Mateo Creek drainage); Santa Cruz Mountains, San Mateo Creek drainage 67 Comment
  POM199072  Elymus californicus A. D. E. Elmer 1903-06 4700 San Mateo Crystal Springs Lake. Comment
  JROH5103  Elymus glaucus subsp. glaucus John H. Thomas 1971-5-30 15979 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
  CAS-BOT-BC235203  Elymus multisetus L. R. A. 1901-5-1 1866 San Mateo Woodside Comment
  CAS-BOT-BC235211  Elymus multisetus George Oberlander 1950-7-15 1015 San Mateo San Francisco Watershed Reserve. North of San Andreas Lake Comment
  JROH5955  Elymus multisetus John Rawlings 2017-5-19 2052 San Mateo Jasper Ridge Biological Preserve, Stanford University; on slope north of Global Change site, south of Field Station visitor parking lot 117 Comment
  JROH3044  Epilobium brachycarpum John H. Thomas 1972-8-18 16152 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3049  Epilobium ciliatum subsp. ciliatum John H. Thomas 1970-7-5 15659 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC35409  Epilobium foliosum E. R. Drew 1888-4-12 San Mateo San Pedro Ranch Comment
  UCD103601  Epipactis helleborine Chris Bronny 2010-9-21 s.n. San Mateo Along channelized banks of Belmont Creek S of Harbor Blvd and E of Industrial Blvd. 15 Comment
  CAS-BOT-BC57028  Equisetum arvense A. D. E. Elmer 1903-5-1 4602 San Mateo Cemeteries Comment
  CAS-BOT-BC57030  Equisetum arvense Phillip C. Wheeler 1965-5-23 s.n. San Mateo N. W. Radio Road Comment
  CAS-BOT-BC57598  Equisetum telmateia Elizabeth McClintock 1965-3-28 s.n. San Mateo Devil's Arroyo Comment
  JROH74  Equisetum telmateia subsp. braunii Toni Corelli 2010-3-29 361 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 13, south side of Leonard's Bridge 106 Comment
  SD27774  Equisetum telmateia subsp. braunii Carl B. Wolf 1927-4-3 255 San Mateo Santa Cruz Mountains, 1 mile above La Honda 245 Comment
  UC150823  Equisetum telmateia subsp. braunii C. F. Baker 1902-3-18 324 San Mateo w side King's Mt. Comment
  CAS-BOT-BC299884  Erechtites glomeratus Fred Hemphill 1973-5-14 804 San Mateo North of Malabar Road and Melendy Drive, San Carlos 207 Comment
  JROH5587  Erigeron foliosus var. foliosus Winkie Lennihan 1989-6-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; north of Hillside Lab just south of Trail 7 152 Comment
  CAS-BOT-BC295083  Erigeron glaucus Robert Robertson 1954-5-1 123 San Mateo Pebble Beach 12 Comment
  SD234039  Erigeron glaucus Virginia Pinkus Ryder 1964-2-21 77 San Mateo 1 mile past Greyound Rock. 29 Comment
  CAS-BOT-BC300065  Erigeron philadelphicus Philip Wheeler 1965-6-16 s.n. San Mateo San Bruno Mountain. Colma Canyon and April Brook junction Comment
  CAS-BOT-BC216247  Eriodictyon californicum Lewis S. Rose 1941-7-2 41288 San Mateo King's Mountain 480 Comment
  CAS-BOT-BC216250  Eriodictyon californicum Volney Rattan 1881-1-1 s.n. San Mateo Belmont Comment
  JROH2717  Eriodictyon californicum John H. Thomas 1959-4-5 7667 San Mateo Jasper Ridge Biological Preserve, Stanford University; at the western end of ridge Comment
  JROH2734  Eriodictyon californicum John Hunter Thomas 1992-7-24 25396 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  LA205654  Eriodictyon californicum Lewis S. Rose; 1932-5-3 32220 San Mateo Belmont 182 Comment
  POM222784  Eriodictyon californicum S. S. Berry 1909-4-23 s.n. San Mateo Road near Los Francos Creek 61 Comment
  RSA15207  Eriodictyon californicum Carl B. Wolf 1926-10-19 90 San Mateo La Honda Grade. Santa Cruz Mtns. Comment
  RSA18287  Eriodictyon californicum Carl B. Wolf 1927-6-21 430 San Mateo East slope of Kings Mt. Comment
  UCSB16624  Eriodictyon californicum 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
  CAS-BOT-BC250545  Eriogonum gracile Paul H. Arnaud, Jr. 1959-8-2 s.n. San Mateo Hills above Redwood City Comment
  CAS-BOT-BC251979  Eriogonum latifolium John H. Thomas 1964-4-30 10352 San Mateo San Bruno Mountain in northern part of county 914 Comment
  CAS-BOT-BC251985  Eriogonum latifolium Louis F. Pitelka 1973-6-16 s.n. San Mateo Bolsa Point, about 1 mi N of Pigeon Point and about 39 mi S of San Francisco. On bluffs in open areas Comment
  SBBG1532  Eriogonum latifolium H. and M. Dearing 1951-8-17 6944 San Mateo Pigeon Point on Hwy 1 N of Santa Cruz Comment
  UCR121581  Eriogonum latifolium George K. Helmkamp, E. A. Helmkamp 1999-6-28 4986 San Mateo Pescadero Creek Watershed, Pescadero Road just north of Loma Mar 107 Comment
  UCSB461  Eriogonum latifolium Myrick, Donald 1966-6-11 San Mateo Pigeon Point on Highway #1 south of San Francisco Comment
  SEINET10479506  Eriogonum latifolium Mary Susan Taylor 1978-8-30 Taylor 1870 San Mateo Comment
  UCSC007632  Eriogonum latifolium Randall Morgan 2004-7-23 4254 San Mateo Rockaway Beach Comment
  SD12577  Eriogonum luteolum Edith A. Purer 1933-8-25 5510 San Mateo Along Skyline Drive Comment
  JROH3236  Eriogonum luteolum var. luteolum John Hunter Thomas 1988-8-21 24564 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1206485  Eriogonum luteolum var. luteolum Le Roy Abrams 1902-9-21 2988 San Mateo Crystal Lake - Woodside Comment
  CAS-BOT-BC268995  Eriogonum nudum var. auriculatum A. D. E. Elmer 1903-6-1 4311 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC269004  Eriogonum nudum var. auriculatum Cherie Wetzel 1969-6-20 873 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  RSA169305  Eriogonum nudum var. auriculatum L. S. Rose 1964-9-9 64074 San Mateo Emerald Lake, west of Redwood City 244 Comment
  UCD100537  Eriogonum nudum var. auriculatum Lewis S. Rose 1964-9-9 64074 San Mateo Emerald Lake west of Redwood City. 243 Comment
  SEINET11938130  Eriogonum nudum var. auriculatum Unknown 1932-1 9110 San Mateo Btw road and Sring Valley Lakes Comment
  UCD100531  Eriogonum nudum var. auriculatum Marilyn Ivey 1973-5-30 67 San Mateo Farm Hill Blvd., 2 miles east of Canada College. Comment
  SD5712  Eriophyllum Ulysses S. Grant IV 1925-6-5 San Mateo Burlingame Comment
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Jul 10 2010
  CAS-BOT-BC304073  Eriophyllum confertiflorum Fred Hemphill 1973-4-22 769 San Mateo San Carlos. N of Malabar Rd and Melendry Dr 207 Comment
  CAS-BOT-BC304078  Eriophyllum confertiflorum Elizabeth McClintock 1978-4-24 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  RSA175141  Eriophyllum confertiflorum R. F. Thorne, Percy C. Everett 1963-6-9 32234 San Mateo Top of San Bruno Mountain 335 Comment
  RSA418518  Eriophyllum confertiflorum Jerry A. Powell 1972-3-10 910 San Mateo Mt. San Bruno Comment
  JROH701  Eriophyllum confertiflorum var. confertiflorum John H. Thomas 1974-6-30 17456 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH703  Eriophyllum confertiflorum var. confertiflorum John H. Thomas 1976-5-26 18148 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC301268  Eriophyllum lanatum var. arachnoideum Josephine D. Randall 1907-6-29 68 San Mateo Santa Cruz Peninsula. Kings Mt. Road Comment
  POM53930  Eriophyllum lanatum var. arachnoideum C. F. Baker 1902-5-10 797 San Mateo Kings Mountain. Comment
  RSA116760  Eriophyllum lanatum var. arachnoideum C. F. Leitholt 1893-5-27 s.n. San Mateo Near Summit Springs, Kings Mountain; Santa Cruz Mountain Peninsula Comment
  RSA116762  Eriophyllum lanatum var. arachnoideum Josephine Randall 1907-6-29 68 San Mateo Santa Cruz Peninsula, King's Mountain Road. Comment
  RSA463086  Eriophyllum lanatum var. arachnoideum Lyman Benson 1930-5-3 2113 San Mateo Above Woodside, Mt. Range: Santa Cruz. 366 Comment
  CAS-BOT-BC301261  Eriophyllum lanatum var. arachnoideum W. R. Dudley 1906-6-12 s.n. San Mateo W. Union Gulch, back of winery Comment
  JEPS28876  Eriophyllum latilobum V. F. Hesse 1962-6-26 3152 San Mateo 9 mi n of Saratoga Summit Highway 5; ; <State route 5 became state route 35> 609 Comment
Read comments
Sep 8 2011
  POM358129  Eriophyllum staechadifolium E. A. Purer 1933-7-27 5395 San Mateo 2 miles south of Pigeon Point. Comment
  UCR240615  Eriophyllum staechadifolium T. B. Salvato, Lia V. D. Mansfield, Joel-Henry J. Mansfield 2008-6-14 3531 San Mateo Central Coast, Pebble Beach State Beach, 12.5 mi north of Santa Cruz Co. line, along Hwy 1, Pacific Coast Hwy, 1.65 mi south of road to Pesacadero and 16 mi south of Half Moon Bay 11 Comment
  CAS-BOT-BC301963  Eriophyllum staechadifolium John H. Thomas 1963-5-20 10123 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  CAS-BOT-BC301968  Eriophyllum staechadifolium L. R. Abrams 1907-8-1 s.n. San Mateo Between Pescadero and Half Moon Bay Comment
  CAS-BOT-BC301981  Eriophyllum staechadifolium Ella Dales Cantelow 1940-9-2 3408 San Mateo N. of Davenport Comment
  JROH2595  Erodium botrys John H. Thomas 1969-4-12 14888 a San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam 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
  JROH5639  Eryngium jepsonii John Rawlings 2014-6-7 1262 San Mateo Jasper Ridge Biological Preserve, Stanford University. 100 yards west from Escobar Gate, 20 yards north of road F. 161 Comment
  CAS-BOT-BC54875  Erysimum franciscanum C. F. Baker 1903-4-6 1885 San Mateo San Bruno Hills. Comment
  CAS-BOT-BC54878  Erysimum franciscanum Peter H. Raven 1950-4-16 1781 San Mateo San Bruno Mountains. Colma Canyon. 182 Comment
  JEPS53557  Erysimum franciscanum William S. Cooper 1925-5-28 16 San Mateo Salada Comment
  RSA101866  Erysimum franciscanum G. B. Rossbach 1938-4-3 806 San Mateo San Bruno Hills 305 Comment
  RSA102110  Erysimum franciscanum G. B. Rossbach 1955-3-12 566 San Mateo SE end of Buriburi Ridge, NW side of San Mateo Creek 76 Comment
  UC1034733  Erysimum franciscanum G. B. Rossbach 1940-4-23 925 San Mateo s San Pedro Valley (nw of Peak Mt., steep sea-facing ledges about 1 mi inland); Montara Mts. 121 Comment
  UC1034761  Erysimum franciscanum G. B. Rossbach 1955-3 572 San Mateo high seaward slope 2 mi s San Francisco line (3 mi n of Sharp Park (Salada)) Comment
  UC1034937  Erysimum franciscanum G. B. and R. P. Rossbach 1939-3 900 a&b San Mateo 2.5 mi n Montara (near Devil's Slide, steep granitic slope above sea) Comment
  CAS-BOT-BC403531  Eschscholzia californica Louis F. Pitelka 1973-4-30 s.n. San Mateo Bolsa Point, about 1 mi N of Pigeon Point and about 39 mi S of San Francisco Comment
  CAS-BOT-BC403538  Eschscholzia californica A. D. E. Elmer 1903-6-1 4680 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC403551  Eschscholzia californica Ned Cahill 1974-4-18 125 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC403553  Eschscholzia californica Javier Penalosa 1963-3-30 2706 San Mateo San Bruno Mountain. North of Randolph Drive at Hillside Blvd. in SSF 91 Comment
  POM149416  Eschscholzia californica C. F. Baker 1903-5-14 3256 San Mateo Crystal Springs, Lake Comment
  SD40077  Eschscholzia californica Edith A. Purer 1933-7-27 5384 San Mateo 2.0 miles south of Pigeon Point. Comment
  CAS-BOT-BC403533  Eschscholzia californica Dr. Barton W. Evermann 1924-6-22 s.n. San Mateo Ano [Ano] Nuevo Island Comment
  OBI48876  Eschscholzia californica S. Bagley 1969-3-28 San Mateo Near the San Fernando Game refuge 145 Comment
  CAS-BOT-BC202734  Euonymus occidentalis W. R. Dudley 1910-5-26 s.n. San Mateo Santa Cruz Mountain Peninsula. Los Trancos Creek, above Judge Allen's Comment
  CAS-BOT-BC206912  Euonymus occidentalis D. E. Breedlove 1974-5-13 36208 San Mateo Slopes of San Pedro Valley Park, Pacifica. 152 Comment
  POM202650  Euonymus occidentalis Alice Eastwood 1933-5-31 18843 San Mateo Butano Canyon. Comment
  RSA100720  Euonymus occidentalis A. D. E. Elmer 1903-1 4317 San Mateo Butano Creek Comment
  SEINET12131905  Euonymus occidentalis Unknown 1932-1 9164 San Mateo Canons San Madero Creek Comment
  JROH1966  Euphorbia lathyris Carol Zabel and Ruth Porter 1999-5-17 41 b San Mateo Jasper Ridge Biological Preserve, Stanford University; north side of trail 12 Comment
  UC1795595  Euphorbia oblongata J. Beall 2002-6-3 PDR 120145 San Mateo Pope at San Francisquito Creek Comment
  JROH1951  Euphorbia serpillifolia subsp. serpillifolia John H. Thomas 1959-8-22 8083 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1536887  Eurybia radulina G. H. True Jr. 1937-7-31 829 San Mateo near, (Alpine Road near Skyline Blvd.) Skyline Blvd. 182 Comment
  CAS-BOT-BC459225  Euthamia occidentalis David D. Keck 1931-9-27 1272 San Mateo Dumbarton Bridge Comment
  RSA507774  Euthamia occidentalis J. C. Semple, S. Heard 1986-8-23 8596 San Mateo 7.5 km N of Santa Cruz County line on CA-1 Comment
  JROH5156  Festuca arundinacea John Hunter Thomas 1985-5-21 23661 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near bridge. Comment
  JROH5166  Festuca arundinacea John Hunter Thomas 1988-6-2 24504 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near old bridge. Comment
  SJSU16063  Festuca arundinacea Toni Corelli 2009-9-22 446 San Mateo Ano Nuevo State Park, adjacent to Gazos Creek parking lot Comment
  SEINET10887997  Festuca arundinacea P. Rubtzoff 1976-6-13 Rubtzoff 8633 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction and northwest of Fog Forest. Comment
  JROH5727  Festuca bromoides John Rawlings 2015-3-8 1307 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 8 though chaparral. 134 Comment
  JEPS101932  Festuca californica Dean W. Taylor 1988-4-8 9504 San Mateo San Bruno Mountain, northern slope of southeast ridge of the mountain, near the ridgecrest- right-of-way of eastern-most set of PGandE high-voltage powerlines crossing the mountain: 237 Comment
  CAS-BOT-BC278350  Festuca californica subsp. californica L. R. A. 1902-5-11 2461 San Mateo Crystal Springs Comment
  CAS-BOT-BC278356  Festuca californica subsp. californica W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. Ravine north of Seal Cove Comment
  CAS-BOT-BC278360  Festuca californica subsp. californica Catherine A. Toschi 1963-3-17 63 :50 San Mateo San Bruno Mountain. Northeast slope below radio station Comment
  POM296651  Festuca californica var. californica Lyman Benson 1930-5-3 2100 San Mateo Above Woodside, Mt. Range: Santa Cruz 244 Comment
  RSA135730  Festuca californica var. californica W. R. Dudley 1900-3-17 s.n. San Mateo Ravine north of Seal Cove. Comment
  CAS-BOT-BC278477  Festuca idahoensis L. R. A. 1902-5-11 2450 San Mateo Crystal Springs Comment
  POM193633  Festuca idahoensis Le Roy Abrams 1902-5-11 2450 San Mateo Crystal Springs. Comment
  JROH5498  Festuca myuros John H. Thomas 1974-4-19 17166 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC278860  Festuca occidentalis W. R. Dudley 1898-7-1 s.n. San Mateo Pescadero Creek Comment
  CAS-BOT-BC278862  Festuca occidentalis W. R. Dudley 1895-6-1 s.n. San Mateo Santa Cruz Mountain Peninsula. Pescadero Creek Comment
  JROH5508  Festuca octoflora Herb Dengler 1963-5-26 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Top of Ridge. Comment
  SEINET175509 Image available Festuca rubra David D. Keck 1932-5-6 1478 San Mateo Above Millbrae Highlands Comment
  JROH5297  Festuca temulenta John Rawlings 2007-5-30 1014 San Mateo Jasper Ridge Biological Preserve, Stanford University; edge of mowed area (fire truck turn around) near Goya Gate 192 Comment
  RSA10389  Fragaria californica H. A. Barker 1926-5-15 626 San Mateo King Mt. Comment
  CHSC39808  Fragaria chiloensis Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  POM182829  Fragaria chiloensis R. L. Pendleton 1907-4-20 629 San Mateo Colma Comment
  UC466551  Fragaria chiloensis Franklin P. Nutting Apr 1895 San Mateo Comment
  JROH3664  Fragaria vesca John H. Thomas 1976-10-16 18427 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC457511  Fragaria vesca subsp. californica Elizabeth McClintock; Paul Reeberg 1989-2-4 s.n. San Mateo Between Poison Oak Ravine and Tank Ravine, San Bruno Mountains Comment
  CAS-BOT-BC457518  Fragaria vesca subsp. californica James McMurphy 1906-4-30 s.n. San Mateo on top of grade between Portola and Woodside Comment
  CAS-BOT-BC457521  Fragaria vesca subsp. californica C. F. Leitholdt 1893-6-2 s.n. San Mateo Between Woodside and Kings Mountain, Santa Cruz Pennisula Comment
  CAS-BOT-BC457523  Fragaria vesca subsp. californica Elizabeth McClintock; Arthur Menzies 1963-2-16 s.n. San Mateo Below top of mountain in vicinity of radio station, San Bruno Mountain Comment
  CAS-BOT-BC52675  Frangula californica subsp. californica George Oberlander 1949-7-30 246 San Mateo Crest of Sweeney Ridge Comment
  CAS-BOT-BC52676  Frangula californica subsp. californica W. R. Dudley 1899-12-2 s.n. San Mateo near Gazos Creek, Big Basin Comment
  CAS-BOT-BC52678  Frangula californica subsp. californica Margaret A. Barry 1937-9-24 221 San Mateo on Coal Mine Ridge Comment
  CAS-BOT-BC53597  Frangula californica subsp. tomentella John H. Thomas 1969-10-19 15484 San Mateo near Canada College, Redwood City, just off of Farm Hill Blvd Comment
  CAS-BOT-BC53600  Frangula californica subsp. tomentella Carl B. Wolf 1927-12-31 1472 San Mateo 1/2 way up Kings Mt. Comment
  CAS-BOT-BC53602  Frangula californica subsp. tomentella Alice Eastwood 1922-5-30 11333 San Mateo Crystal Springs lakes Comment
  JROH3571  Frangula californica subsp. tomentella John H. Thomas 1974-5-29 17409 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA391412  Frankenia salina L. S. Rose 1938-8-18 38230 San Mateo Brisbane 2 Comment
  UC136741  Frankenia salina Dr. E. B. Copeland 1903-6-18 3313 San Mateo Half Moon Bay Half Moon Bay (on sea coast on edge of cliff) Comment
  CAS-BOT-BC211609  Frankenia salina John Thomas Howell 1924-9-28 659 San Mateo Leslie Salt Refinery Comment
  POM130919  Fraxinus latifolia A. D. E. Elmer 1903-07 4615 San Mateo San Mateo Creek Comment
  UC878097  Fraxinus latifolia E. W. Rust 1908-4-25 San Mateo vicinity Stanford University; Los Trancos Creek 60 Comment
Read comments
Sep 30 2011
  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
  RSA196570  Fritillaria affinis W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Peninsula; ravine above Pillar Point and below Montara Mountains Comment
  JEPS61962  Fritillaria biflora var. ineziana Inez Smith 1914-3-12 San Mateo San Mateo Comment
  SD39122  Fritillaria liliacea McCallum, Marie Cummings 1933-4-12 2148 San Mateo Open hills near Skyline Boulevard, above La Honda. Comment
  RSA0037218  Fumaria Peter Rubtzoff 1988-5-12 9921 San Mateo San Bruno Mountain. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction; NW part of the area, near the old Guadalupe Road between Bog Trail and Saddle Trail Junctions. Comment
  CDA20772  Fumaria capreolata D. Pendleton 2006-6-13 PDR 1381606 San Mateo Old Jackson Orchard Nursery, Pescadero Creek Rd.. Comment
  JEPS83069  Galium Roy E. Buck, Randall A. Morgan, James A. West 1983-7-15 434 San Mateo along crest of ridge w gravel road (ca 3.2 km nw of Pilarcitos Dam and 2.4 km wsw of San Andreas Dam); San Francisco Watershed Reserve, Fifield Ridge 388 Comment
  CAS-BOT-BC164660  Galium aparine Peter Rubtzoff; Roman Gankin 1974-12-17 7943 San Mateo San Bruno Mountain. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  JEPS21692  Galium murale R. S. Ferris, W. R. Ernst and John H. Thomas 1958-5-10 7138 San Mateo about 5 mi sw Palo Alto; Jasper Ridge 152 Comment
  JROH3803  Galium murale John Hunter Thomas 1984-4-24 23314 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3788  Galium murale John H. Thomas 1961-4-29 9177 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3812  Galium porrigens var. porrigens John Hunter Thomas 1981-5-25 20619 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  OBI9909  Galium triflorum L. T. Dempster 1956-5-15 1001 San Mateo Lake Pilarcitos Comment
  CAS-BOT-BC303463  Gamochaeta ustulata John H. Thomas 1961-5-12 9325 San Mateo San Bruno Mt in N part of county 396 Comment
  POM58032  Gamochaeta ustulata E. B. Copeland 1903-6-18 3312 San Mateo Montara Point. Comment
  UCD84710  Gamochaeta ustulata Robert E. Preston 2009-6-16 2688 San Mateo Santa Cruz Mtns, ca. 0.5 mi NW of Waterman Gap. 347 Comment
  CAS-BOT-BC303468  Gamochaeta ustulata Paul F. Covel 1936-4-24 272 San Mateo Skyline Blvd Comment
  CAS-BOT-BC194571  Garrya elliptica A. D. E. Elmer 1903-2-1 4469 San Mateo Portola Comment
  JROH2540  Garrya elliptica W. R. Dudley 1899-6-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA116710  Garrya elliptica Josephine Randall 1910-02 s.n. San Mateo Los Traucos Creek. Comment
  RSA181585  Garrya elliptica E. A. McGregor 1907-2-10 s.n. San Mateo Jasper Ridge. Comment
  UC1140923  Garrya elliptica W. R. Dudley 1895-2-10 San Mateo San Mateo Ravine Santa Cruz Peninsula (by road above point of rocks) Comment
  CAS-BOT-BC59634  Gaultheria shallon Arthur Menzies 1964-1-12 s.n. San Mateo San Bruno Mountain. Comment
  CAS-BOT-BC219144  Genista monspessulana Ira L. Wiggins 1929-7-4 3790 San Mateo Moist ravine 4 mi. W. of La Honda on Hill road to Pescadero Beach Comment
  CHSC56539  Genista monspessulana Steven Triano 1988-5-24 177 San Mateo On the sw corner of the jct. of Portola Road and Old La Honda Road, ca 3.2 mi s of Woodside. 115 Comment
  JROH1999  Genista monspessulana John H. Thomas 1960-4-22 8594 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2000  Genista monspessulana John H. Thomas 1960-4-22 8594 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2018  Genista monspessulana John Hunter Thomas 1987-4-30 24213 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2610  Geranium dissectum John H. Thomas 1966-4-24 11577 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC166727  Geranium dissectum Peter Rubtzoff 1977-6-7 9028 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  JROH2624  Geranium molle John H. Thomas 1956-4-7 5609 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2629  Geranium molle John Hunter Thomas 1978-4-8 19059 C San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2630  Geranium molle John Hunter Thomas 1984-5-3 23335 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2627  Geranium molle John H. Thomas 1975-4-18 17782 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM65904  Gilia achilleifolia C. F. Baker 1902-4-6 467 San Mateo Crystal Springs Lake. Comment
  JROH3152  Gilia achilleifolia subsp. multicaulis John H. Thomas 1967-4-28 12722 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3155  Gilia achilleifolia subsp. multicaulis John H. Thomas 1977-4-19 18533 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD38797  Gilia achilleifolia subsp. multicaulis E. A. Purer 1933-5-16 3638 San Mateo Alpine Road Comment
  JEPS101989  Gilia clivorum Dean W. Taylor 1994-5-10 14266 San Mateo Edgewood Park; ca. 300 meters SE of junction of Edgewood Road and Canada Road, ca. 200 m W of trail parallel to and on west side of Highway 280 137 Comment
  JROH3165  Gilia clivorum John H. Thomas 1971-4-10 15756 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC266511  Githopsis diffusa Margaret A. Barry 1937-5-15 s.n. San Mateo On Coal Mine Ridge Comment
  UCR240781  Glehnia littoralis subsp. leiocarpa T. B. Salvato, Lia V. D. Mansfield, Joel-Henry J. Mansfield 2008-6-14 3515 San Mateo Central Coast, Pebble Beach State Beach, 12.5 mi north of Santa Cruz Co. line, along Hwy 1, Pacific Coast Hwy, 1.65 mi south of road to Pesacadero and 16 mi south of Half Moon Bay 11 Comment
  POM55189  Gnaphalium californicum A. D. E. Elmer 1903-06 4291 San Mateo Crystal Springs Lake. Comment
  POM261103  Gnaphalium chilense L. R. Abrams, I. L. Wiggins 1939-6-3 428 San Mateo Ano Nuevo Point. Comment
  RSA17890  Gnaphalium chilense C. B. Wolf 1927-6-15 s.n. San Mateo Skyline Boulevard, S of San Francisco Comment
  SEINET11849362  Gnaphalium chilense E. H. Graham 1931-1 6933 San Mateo Ano Nuevo Pt., S of San Francisco Comment
  JROH787  Gnaphalium palustre John Hunter Thomas 1980-11-27 20186 San Mateo Jasper Ridge Biological Preserve, Stanford University; delta Comment
  JROH828  Grindelia John H. Thomas 1972-5-5 16079 San Mateo Jasper Ridge Biological Preserve, Stanford University 123 Comment
  SEINET11835917  Grindelia E. A. Purer 1933-1 5369 San Mateo Pigeon Point Comment
  CAS-BOT-BC304533  Grindelia hirsutula Lewis S. Rose 1933-7-21 33306 San Mateo Montara Comment
  CAS-BOT-BC304549  Grindelia hirsutula Javier Penalosa 1963-3-30 2736 San Mateo San Bruno Mountain. North of Randolph Drive at Hillside Blvd. in SSF 289 Comment
  CAS-BOT-BC304551  Grindelia hirsutula Margaret A. Barry 1937-6-22 161 San Mateo Slope on Coal Mine Ridge Comment
  CAS-BOT-BC304558  Grindelia hirsutula Walter Knight; Irja Knight 1964-3-15 s.n. San Mateo San Bruno Mountain. Colma Canyon, south ridge Comment
  CAS-BOT-BC304563  Grindelia hirsutula W. R. Dudley 1900-5-19 s.n. San Mateo Santa Cruz Mountain Peninsula. By stage road 1/2 mile west of La Honda Summit Comment
  POM57689  Grindelia hirsutula C. F. Baker 1903-4-8 s.n. San Mateo San Andreas Lake Comment
  UC1599358  Grindelia hirsutula L. R. Heckard 1961-7-16 1264 San Mateo across road from transmitting station KQED (near summit of mt.); San Bruno Mt. 335 Comment
  JROH818  Grindelia hirsutula John Hunter Thomas 1978-5-12 19203 San Mateo Jasper Ridge Biological Preserve, Stanford University; draw to Ridge from near the dam Comment
  JROH822  Grindelia hirsutula John Hunter Thomas 1981-5-25 20630 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH824  Grindelia hirsutula John Hunter Thomas 1983-6-2 22328 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET5709422 Image available Grindelia hirsutula var. hirsutula Delzie Demaree 1933-1 10424 San Mateo Spring Valley road. Comment
  POM216546  Grindelia stricta var. angustifolia D. D. Keck 1931-9-27 1273 San Mateo Dumbarton Bridge. Comment
  RSA0110999  Grindelia stricta var. angustifolia E. A. Purer 1933-8-26 5525 San Mateo Along highway. [No further location information.] Comment
  SD71025  Grindelia stricta var. angustifolia John Thomas Howell 1964-12-6 41032 San Mateo Millbrae, vacant lot near Southern Pacific Railway Station Comment
  RSA18368  Grindelia stricta var. platyphylla C. B. Wolf 1927-6-29 540 San Mateo South of Pebble Beach near Pescadero Comment
  UCR240778A  Grindelia stricta var. platyphylla T. B. Salvato, Lia V. D. Mansfield, Joel-Henry J. Mansfield 2008-6-14 3518 San Mateo Central Coast, Pebble Beach State Beach, 12.5 mi north of Santa Cruz Co. line, along Hwy 1, Pacific Coast Hwy, 1.65 mi south of road to Pesacadero and 16 mi south of Half Moon Bay 11 Comment
  CAS-BOT-BC282868  Hainardia cylindrica A. G. Vestal 1926-5-1 s.n. San Mateo San Pedro Point Comment
  JROH439  Hedera helix John H. Thomas 1967-6-1 12974 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH833  Helenium puberulum John H. Thomas 1970-7-5 15658 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH840  Helenium puberulum John Hunter Thomas 1980-11-27 20178 San Mateo Jasper Ridge Biological Preserve, Stanford University; along causeway Comment
  SJSU15964  Helenium puberulum John Rawlings, Ken Hickman 2016-5-26 1841 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
  UC407001  Helenium puberulum Josephine D. Randall 1907-7-24 San Mateo near Crystal Springs Lake Comment
  HSC23988  Helenium puberulum Mary Katherine Wicksten 1971-6-22 93 San Mateo Huddart Park; by Madrone Area, toward Miwok Shelter Comment
  JROH831  Helenium puberulum John H. Thomas 1964-11-29 10548 San Mateo Jasper Ridge Biological Preserve, Stanford University; eastern arm of Searsville Lake, just above high water mark Comment
  CAS-BOT-BC305365  Helianthus annuus J. H. Thomas 1959-12-18 8521 San Mateo Near Palo Alto Yacht Harbor Comment
  SJSU8350  Helianthus californicus J. L. Bonora 1963-10-11 San Mateo Redwood City Recreationn Center, Redwood City Comment
  CAS-BOT-BC306177  Hemizonia congesta subsp. congesta J. McMurphy 1909-6-13 s.n. San Mateo Santa Cruz Mountain Peninsula. Summit of ridge between Colma & San Bruno Comment
  CAS-BOT-BC313459  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1935-9-21 35652 San Mateo Redwood City Comment
  POM51989  Hemizonia congesta subsp. luzulifolia C. F. Baker 1903-6-30 3350 San Mateo Crystal Springs 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-BC314925  Hemizonia congesta subsp. luzulifolia W. R. Dudley 1909-4-27 s.n. San Mateo Crystal Springs Reservoir, Santa Cruz Mountain Peninsula Comment
  SD30842  Hemizonia congesta subsp. luzulifolia Edith A. Purer 1933-8-4 5398 San Mateo Along roadsides of Bayshore Highway. Comment
  POM360252  Hemizonia corymbosa subsp. corymbosa E. A. Purer 1933-7-27 5339 San Mateo Pigeon Point Comment
  RSA184852  Hemizonia luzulifolia L. S. Rose 1965-8-27 65094 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
  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
  RSA18317  Heracleum maximum C. B. Wolf 1929-5-20 3720 San Mateo No. end of Searsville Lake. Comment
  UCSB18565  Heracleum maximum Schulte, John 1963-4-28 San Mateo Sausal Creek, Jasper Ridge Area, 3 miles SW of Stanford, between Santa Clara Valley and main front of Santa Cruz Mountains 121 Comment
  JROH879  Hesperevax sparsiflora var. sparsiflora R. R. Hichborn 1920-4-12 67 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH880  Hesperevax sparsiflora var. sparsiflora John H. Thomas 1955-5-6 4980 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA187311  Hesperocnide tenella John H. Thomas 10307 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  CAS-BOT-BC176209  Hesperolinon congestum L. R. Abrams 1910-5-7 s.n. San Mateo Crystal Springs Lake Comment
  SJSU12753  Hesperolinon congestum S. C. Sommers 1986-5-8 San Mateo W side Edgewood County Park near junction of Hwy 280 & Edgewood Rd, Redwood City Comment
  SJSU7855  Hesperolinon congestum J. R. Verbarg 1955-5-14 San Mateo Redwood City Hills back of Redwood City Comment
  UC1219880  Hesperolinon congestum John H. Thomas 1961-5-14 9379 San Mateo road bank and outcropping just n dam on San Mateo Creek 121 Comment
  JROH2926  Hesperolinon micranthum John H. Thomas 1968-5-22 14460 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1212270  Hesperolinon micranthum Helen K. Sharsmith 1947-6-3 3975 San Mateo above Redwood City; Outer South Coast Ranges 152 Comment
  POM149362  Hesperomecon linearis A. D. E. Elmer 1903-06 4594 San Mateo San Bruno Hills Comment
  CAS-BOT-BC148464  Heteromeles arbutifolia John H. Thomas 1971-5-2 15865 San Mateo Near intersection of Canada and Edgewater Roads. About 4 miles SW of center of Redwood City. 304 Comment
  HSC23976  Heteromeles arbutifolia Mary Katherine Wicksten 1971-6-29 136 San Mateo Huddart Park, along Zweirlein Trail Comment
  CAS-BOT-BC311097  Heterotheca oregona var. scaberrima W. R. Dudley 1896-10-11 s.n. San Mateo Santa Cruz Mountain Peninsula. On railroad track between Menlo Park and Palo Alto Comment
  CAS-BOT-BC310762  Heterotheca sessiliflora subsp. echioides E. A. McGregor 1906-9-23 s.n. San Mateo Corte de Madera 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-BC424378  Heuchera micrantha var. hartwegii Walter & Irja Knight 1963-7-14 s.n. San Mateo Base of Quarry 2; San Bruno Mountain Comment
  CAS-BOT-BC424428  Heuchera pilosissima Ira L. Wiggins 1925-5-24 1742 San Mateo Along county road from Pescadero to Pebble Beach just before coming to the artichoke lands of the American Produce Co. Comment
  CAS-BOT-BC319633  Hieracium albiflorum George Oberlander 1950-5-6 997 San Mateo Sawyer Ridge, San Francisco Watershed Reserve Comment
  RSA120374  Hierochloe occidentalis Le Roy Abrams 1904-3-7 s.n. San Mateo Bear Gulch, Santa Cruz Mountains Comment
  CAS-BOT-BC55441  Hirschfeldia incana Ned Cahill 1974-5-30 331 San Mateo About 3 miles westward from Redwood City. Near the intersection of Canada and Edgewood Roads. Next to Edgewood Road. Comment
  CAS-BOT-BC55444  Hirschfeldia incana George Oberlander 1949-7-24 290 San Mateo San Francisco Watershed. Grassland about San Andreas Lake. Comment
  JROH5640  Holcus lanatus John Rawlings 2014-6-2 1255 San Mateo Jasper Ridge Biological Preserve, Stanford University. Down stream a few feet from the low flow crossing of San Francisquito Creek. 81 Comment
  LA207940  Holodiscus discolor David D. Keck; 1932-6-1 1795 San Mateo Santa Cruz Mountains, Above Searsville Lake, on road between Woodside and Skyline Blvd Comment
  RSA176728  Holodiscus discolor John H. Thomas 1962-7-15 9916 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  JROH3691  Holodiscus discolor var. discolor John H. Thomas 1974-5-29 17399 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5931  Holodiscus discolor var. discolor L. Nordby 1982-4-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail behind weather station on the top of Jasper Ridge. Comment
  RSA149153  Hordeum brachyantherum John H. Thomas 1961-5-13 9341 San Mateo Coastal sand dunes at Franklin Point. 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-BC284685  Hordeum brachyantherum subsp. brachyantherum Louis F. Pitelka 1973-4-30 s.n. San Mateo Bolsa Point, about 1 mi N of Pigeon Point and about 39 mi S of San Francisco Comment
  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-BC285148  Hordeum marinum subsp. gussoneanum H. A. Borthwick 1920-6-1 207 San Mateo Santa Cruz Mountain Peninsula. Back of Redwood City Comment
  JROH5235  Hordeum marinum subsp. gussoneanum John H. Thomas 1955-5-6 4982 San Mateo Jasper Ridge Biological Preserve, Stanford University. Open serpentine area on top of ridge and adjacent grassy slopes. Comment
  CAS-BOT-BC289397  Hordeum murinum subsp. glaucum Ira L. Wiggins 1975-4-17 22143 San Mateo NE side of Southern Pacific righ-of-way between San Francisquito Creek and Willow Road, Menlo Park Comment
  RSA138203  Hordeum murinum subsp. glaucum Paul R. Hichborn 1920-5-18 236 San Mateo Woodside; Santa Cruz Mountain Peninsula Comment
  JROH5256  Hordeum murinum subsp. leporinum John H. Thomas 1967-5-12 12881 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  CAS-BOT-BC271351  Hordeum vulgare John H. Thomas 1969-4-24 14922 San Mateo Near Canada College, Redwood City, near Farm Hill Drive Comment
  CAS-BOT-BC271353  Hordeum vulgare J. H. Thomas 1962-5-12 9862 San Mateo Franklin Point, about sea level Comment
  CAS-BOT-BC271358  Hordeum vulgare Ned Cahill 1974-5-13 269 San Mateo Near the intersection of Canada and Edgwood Roads about 3 mi. westward from Redwood City Comment
  CAS-BOT-BC271361  Hordeum vulgare W. R. Dudley 1896-4-4 s.n. San Mateo Near Crystal Springs, Santa Cruz Mountain Peninsula Comment
  JEPS29415  Horkelia californica L. R. Heckard 1962-7-16 1262 San Mateo near summit of San Bruno Mt. (w-facing slope to the ne of transmitting station KQED) 335 Comment
  CAS-BOT-BC536145  Horkelia californica J. W. Congdon 1897-8-11 s.n. San Mateo San Gregorio Comment
  SEINET7097934  Horkelia californica subsp. californica 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
  JEPS47190  Horkelia cuneata subsp. cuneata E. K. Crum 1930-4-27 710 San Mateo near Pescadero (n of Davenport); Santa Cruz Coast Comment
  LA47914  Hosackia gracilis C. F. Baker; 1902-5-1 689 San Mateo Crystal Springs Lake Comment
  UCD77838  Hosackia stipularis Robert E. Preston 2001-6-1 1538 San Mateo Ca. 7 mi nw of Boulder Creek. 658 Comment
  CAS-BOT-BC400965  Hypericum anagalloides Elizabeth McClintock; Philip Wheeler 1967-6-11 s.n. San Mateo San Bruno Mountains. North facing slope to south of new Guadalupe Parkway just before it meets Radio Road Comment
  RSA784606  Hypericum androsaemum Peter Rubtzoff 1976-6-30 8704 San Mateo San Bruno Mountains:Saddle area on N side of Guadalupe Canyon Parkway west of Radio Road junction. Westernmost part of the area on a slope across fence. Comment
  UCR121587  Hypericum calycinum George K. Helmkamp, E. A. Helmkamp 1999-6-28 4966 San Mateo Coast Range; Santa Cruz Mtns, Sky Londa; junction of Calif. Hwy 84 and Calif. Hwy 35, 5 mi south of central Redwood City 457 Comment
  JEPS117923  Hypericum canariense John Dittes, Josephine Guardino 2007-6-30 1457 San Mateo undesignated section of Punta Del Ano Nuevo Land Grant east side of Highway 1 on slope south and east of (Central Coast; Ano Nuevo State Reserve, coastal terrace ca. 2.4 air-mile SE of Pidgeon Point Lighthouse); Gazos Creek 21 Comment
  CAS-BOT-BC311397  Hypochaeris glabra Fred Hemphill 1973-4-22 778 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CHSC56086  Hypochaeris glabra Jan M. Karaz 1979-5-27 53 San Mateo 3 mi east of Hwy 280 intersection with Woodside Road, 1.2 mi east of Woodside on Mountain Home Road. 7 Comment
  JROH921  Hypochaeris glabra John Hunter Thomas 1986-5-6 24012 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH923  Hypochaeris glabra John Hunter Thomas 1989-5-9 24720 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC101765  Hypochaeris glabra Katharine Brandegee 1891-6-1 San Mateo South San Francisco Comment
Read comments
Apr 1 2009
  CAS-BOT-BC311479  Hypochaeris radicata J. H. Thomas 1949-10-16 1155 San Mateo Just north of outlet of San Gregorio Creek Comment
  CAS-BOT-BC311485  Hypochaeris radicata A. D. E. Elmer 1903-4-1 4861 San Mateo Lake San Andreas Comment
  JROH932  Hypochaeris radicata John Hunter Thomas 1981-7-24 20733 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH934  Hypochaeris radicata John Hunter Thomas 1981-10-25 20775 San Mateo Jasper Ridge Biological Preserve, Stanford University; on causeway Comment
  JROH938  Hypochaeris radicata John Hunter Thomas 1986-5-6 24011 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET10560664  Hystrix californica Adolph D. E. Elmer Elmer 4700 San Mateo Crystal Springs Lake. Comment
  RSA127080  Iris douglasiana John H. Thomas 1959-4-4 7656 San Mateo About 0.7 miles S. of Gazos Creek. About 6.5 miles southward from Pescadero. 46 Comment
  RSA171165  Iris douglasiana Robert F. Thorne, Percy C. Everett 1963-6-9 32240 San Mateo On top of San Bruno Mountain. 335 Comment
  RSA6296  Iris douglasiana D. D. Keck 1932-5-6 1486 San Mateo Hills just west of Millbrae Highlands 120 Comment
  CAS-BOT-BC133656  Iris longipetala John H. Thomas 1955-4-6 4838 San Mateo East facing slope of San Bruno Mountain just north of South San Francisco 91 Comment
  CAS-BOT-BC133660  Iris longipetala L. R. A. 1902-4-13 2337 San Mateo Lake San Andreas Comment
  CAS-BOT-BC133662  Iris longipetala Alice Eastwood 1918-5-4 s.n. San Mateo San Bruno Hills Comment
  CAS-BOT-BC133666  Iris longipetala Walter Knight; Irja Knight 1965-3-21 956 San Mateo Along ridge near power lines at Brisbane end Comment
  IRVC9079  Iris macrosiphon P. W. Rundel 1963-6-11 1116 San Mateo San Fransisco Bay drainage area; Old La Honda Road. Santa Cruz Mountain Range 305 Comment
  POM168926  Iris macrosiphon E. B. Copeland 1903-5-9 3052 San Mateo Big Basin of Pescadero Creek. Comment
  JROH4434  Iris pseudacorus John Hunter Thomas 1981-7-12 20693 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of lake Comment
  JEPS67913  Isoetes howellii L. R. Heckard and J. J. Thomas 1972-4-16 2896 San Mateo sw of Upper Crystal Springs Reservoir (ca 1 1/2 mi s of Pulgas Water Temple, along Old Canada Rd (private)) 121 Comment
  CAS-BOT-BC112627  Isolepis cernua H. L. Mason 1921-6-2 s.n. San Mateo Pebble Beach, near Pescadero. Comment
  CAS-BOT-BC112607  Isolepis cernua Herbert L. Mason 1949-7-7 14027 San Mateo Nouth of Gazos Creek near the ocean. Southern part of county. Comment
  CAS-BOT-BC112630  Isolepis cernua Elizabeth McClintock; P. Reeberg 1989-5-2 s.n. San Mateo In lower Owl Canyon 45 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
  UC1192236  Jaumea carnosa Herbert L. Mason 1949-7-7 14033 San Mateo marshes at mouth Pescadero Creek Comment
  CAS-BOT-BC340138  Jaumea carnosa Walter Knight; Irja Knight 1964-9-2 718 San Mateo San Bruno Mountain. At Pt. San Bruno Comment
  CAS-BOT-BC101874  Juglans J. H. Thomas 1954-4-21 3943 San Mateo San Francisquito Creek near SPRR tracks between Palo Alto and Menlo Park Comment
  CAS-BOT-BC173706  Juncus balticus Peter Rubtzoff 1977-11-24 9146 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  SEINET3877740  Juncus bufonius Ira L. Wiggins, Roxana S. Ferris 1939-8-2 9291 San Mateo Ano Nuevo Point.; 0 Comment
  RSA368183  Juncus bufonius var. bufonius L. S. Rose 1932-6-26 32362 San Mateo Pilarcitos Lake. Comment
  SJSU16038  Juncus bufonius var. bufonius Toni Corelli, John Rawlings 2016-4-29 1765 San Mateo Cascade Field along Cascade Cr. Trail, Ano Nuevo State Park 21 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
  JROH4458  Juncus bufonius var. occidentalis John H. Thomas 1956-4-7 5619 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4468  Juncus bufonius var. occidentalis John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR244744  Juncus effusus var. brunneus 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 213 Comment
  CAS-BOT-BC176164  Juncus effusus var. pacificus Peter Rubtzoff; Roman Gankin 1975-9-11 8373 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  SEINET3879467  Juncus ensifolius K. Thorne, J. Chandler 1986-7-25 4934 San Mateo Half Moon Bay, 2 miles south of Moss Beach at Dune Beach.; 0 Comment
  UC1100998  Juncus lescurii Malcolm A. Nobs and S. Galen Smith 1949-8-26 1600 San Mateo Mouth of Pescadero Creek Comment
  JROH4495  Juncus occidentalis John Hunter Thomas 1987-5-26 24314 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC473496  Juncus occidentalis Kellogg and Brannan 1870-6-1 San Mateo San Gregorio Creek Comment
  JEPS128399  Juncus patens Adam C. Schneider 2013-5-17 129 San Mateo Crystal Springs Reservoir. Comment
  RSA18448  Juncus patens Carl B. Wolf 1927-6-29 559 San Mateo South of Pebble Beach near Pescadero Comment
  CAS-BOT-BC227612  Juncus patens Peter Rubtzoff; Elizabeth McClintock; Paul Reeberg 1989-6-3 s.n. San Mateo San Bruno Mountains. Shearwater 22 Comment
  UCD164603  Juncus patens Peter Rubtzoff; Roman Gankin 1975-9-11 8375 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  JEPS67130  Juncus phaeocephalus unknown 1925-5-28 2 San Mateo Salada Comment
  UC842781  Juncus phaeocephalus L. R. Abrams and I. L. Wiggins 1939-6-3 429 San Mateo Ano Nuevo Point Comment
  CAS-BOT-BC210054  Juncus phaeocephalus Peter Rubtzoff 1976-6-30 8706 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Westernmost part of the area on slope across fence. Comment
  CAS-BOT-BC210121  Juncus phaeocephalus Peter Rubtzoff 1978-7-8 9232 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  UCD163589  Juncus phaeocephalus Peter Rubtzoff 1980-8-4 9561 San Mateo Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Westernmost part of the area on slope across fence. Comment
  RSA783798  Juncus phaeocephalus var. paniculatus Peter Rubtzoff 1980-8-4 9563 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  JROH4513  Juncus xiphioides John Hunter Thomas 1978-4-20 19087 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4045  Kickxia spuria John Hunter Thomas 1980-11-12 20161 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4042  Kickxia spuria H. J. Dengler 1965-8-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; in S.F. Creek bed just below N. bend Comment
  CAS-BOT-BC273730  Koeleria pyramidata Elizabeth McClintock 1963-6-9 s.n. San Mateo San Bruno Mountain. Slope below parking lot Comment
  CAS-BOT-BC273732  Koeleria pyramidata Phillip C. Wheeler 1965-4-27 s.n. San Mateo San Bruno Mountain. Sierra Point Comment
  CAS-BOT-BC273736  Koeleria pyramidata W. R. Dudley 1896-4-4 s.n. San Mateo Santa Cruz Mountain Peninsula. Crystal Springs Lake Comment
  CAS-BOT-BC272320  Lachnagrostis filiformis George Oberlander 1950-5-6 923 San Mateo Upper Crystal Springs Lake, San Francisco Watershed Reserve Comment
  JROH945  Lactuca saligna John H. Thomas 1974-6-30 17459 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR256305  Lactuca virosa Peter Rubtzoff, Roman Gankin 1975-9-11 8374 San Mateo San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 213 Comment
  UCD133509  Lactuca virosa John Thomas Howell 1954-9-8 30108 San Mateo Skyline Blvd. at San Andreas Lake, 2 miles west of San Bruno. Comment
  CAS-BOT-BC341628  Lagophylla ramosissima James I. McMurphy 1905-9-15 s.n. San Mateo Goat Ranch, just south of junction of State Highway 5 (Skyline Blvd.) and Old La Honda Road Comment
  JROH969  Lagophylla ramosissima Carol Zabel, Ann Lambrecht, John Rawlings 2004-8-25 0053 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM283266  Lamium amplexicaule Lyman Benson 1930-4-17 2078 San Mateo Stanford University, foothills. Upper Sonoran. 122 Comment
  SD99497  Lamium amplexicaule Ira L. Wiggins 1971-4-27 21108 San Mateo Menolo Park, Vacant Lot Sw corner of Woodland Ave and Pope S. Comment
  CAS-BOT-BC339071  Lasthenia californica John Thomas Howell 1933-5-3 11204 San Mateo San Bruno Hills Comment
  POM288356  Lasthenia californica Lyman Benson 1931-3-15 2645 San Mateo Emerald Lake; Redwood City; Mt. Range: Santa Cruz; Watershed: San Francisco Bay 152 Comment
  CAS-BOT-BC339078  Lasthenia californica H. A. Dutton 1910-3-25 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  JEPS98730  Lasthenia californica subsp. californica Raymund Chan 1998-5-9 98031 San Mateo Mori Point Pacifica Comment
  JROH5789  Lasthenia californica subsp. californica John Rawlings 2016-5-3 1781 San Mateo Jasper Ridge Biological Preserve, Stanford University; bare, rocky, sepentinite about 30 yards west of Rd F in Area C 177 Comment
  JROH977  Lasthenia californica subsp. californica John Hunter Thomas 1981-4-23 20482 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC202790  Lasthenia californica subsp. californica A. D. E. Elmer 1903-4-1 4738 San Mateo San Bruno Hills Comment
  SD38969  Lasthenia glabrata Delzie Demaree 1932-4-30 9083 San Mateo Alkali field near Moss Landing. Comment
Read comments
Feb 22 2015
  JEPS24276  Lasthenia glabrata subsp. glabrata J. H. Thomas 1954-4-2 3793 San Mateo 1.5 mi e of center Redwood City Comment
  CAS-BOT-BC368186  Lasthenia minor Robert Robertson 1959-5-1 114 San Mateo Pescadero Beach. 9 Comment
  UCD133845  Lasthenia minor June McCaskill 1954-5-8 295 San Mateo Moss Beach. Comment
  UCSC003524  Lasthenia minor Randall Morgan 2001-5-9 3728 San Mateo Bean Hollow State Beach parking area, San Mateo County Comment
  UCSC003528  Lasthenia minor Randall Morgan 2001-5-9 3728 San Mateo Bean Hollow State Beach parking area, San Mateo County Comment
  UCSC007017  Lasthenia minor Randall Morgan 1988-6-5 1235 San Mateo Pescadero, Pigeon Point - Parking area N of Lighthouse Comment
  CHSC57080  Lathyrus littoralis Steven Triano 1988-5-24 207 San Mateo Coastal sand dunes w of Hwy. 1 ca 0.2 mi n of Pescadero Road. 9 Comment
  RSA158048  Lathyrus littoralis W. R. Russell 1961-6-5 s.n. San Mateo 1 block west of business district, north end of Pacifica (formerly Sharp Park). Comment
  POM19355  Lathyrus vestitus subsp. vestitus C. F. Baker 1902-5-10 801 San Mateo Kings Mountain. Comment
  UCD106521  Lathyrus vestitus var. alefeldii Collector unknown Date unknown s.n. San Mateo Daly City. Comment
  UC1128955  Lathyrus vestitus var. vestitus H. S. Yates 1935-5-8 5203 San Mateo 2 mi n Langley Hill; Santa Cruz Quad. 579 Comment
  UC15326  Lathyrus vestitus var. vestitus J. Burtt Davy 1895-4-20 1054 San Mateo Lake Pilarcitos Comment
  CAS-BOT-BC323182  Layia chrysanthemoides John Thomas Howell 1933-5-26 11343 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC323152  Layia chrysanthemoides David D. Keck 1932-5-6 1487 San Mateo Near Skyline Boulevard, west of Millbrae Highlands. Comment
  CAS-BOT-BC323156  Layia chrysanthemoides David D. Keck 1932-5-6 1488 San Mateo 4 miles W of Burlingame on Skyline Boulevard. Comment
  CAS-BOT-BC323180  Layia chrysanthemoides K. Curran 1885-4-1 s.n. San Mateo Millbrae Comment
  SEINET11811293  Layia chrysanthemoides M. T. Doutt 1931-1 413 San Mateo Skyline Blvd., W of Hillbrae Comment
  UC935680  Layia chrysanthemoides David D. Keck 1932-5-6 1488 San Mateo 4 mi w of Burlingame on Skyline Boulevard Comment
  CAS-BOT-BC321068  Layia gaillardioides A. D. E. Elmer 1903-6-1 4261 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC321114  Layia gaillardioides David D. Keck 1932-6-1 1798 San Mateo 1.5 mi. NE of La Honda Santa Cruz Mountains 213 Comment
  CAS-BOT-BC321097  Layia gaillardioides David D. Keck 1932-5-6 1483 San Mateo Skyline Blvd. W of Millbrae Highlands, Santa Cruz Mountains. Comment
  UC30641  Layia gaillardioides Ivar Tidestrom 1894-5-1 San Mateo Comment
  JROH985  Layia hieracioides John H. Thomas 1974-5-3 17236 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC89183  Layia hieracioides Alice Eastwood 1899-5-2 San Mateo near Pt. San Pedro Comment
  UC913102  Layia hieracioides David D. Keck and Wm. M. Hiesey 1940-6-1 5166 San Mateo opposite n end of Lake San Andreas; Skyline Boulevard 135 Comment
  RSA0036458  Layia hieracioides Peter Rubtzoff 1978-7-8 9221 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. In East Fork Colma Creek Canyon area. Comment
  RSA100979  Layia hieracioides G. Oberlander 1949-9-25 368 San Mateo On Sawyer Ridge, San Francisco Watershed Reserve. Comment
  JROH995  Layia platyglossa John H. Thomas 1973-4-14 16565 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH996  Layia platyglossa John H. Thomas 1973-4-14 16565 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC913095  Layia platyglossa David D. Keck 1932-5-6 1491 San Mateo e side Crystal Springs Lake 60 Comment
  CAS-BOT-BC382091  Layia platyglossa Elizabeth McClintock 1978-4-11 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  CAS-BOT-BC382217  Layia platyglossa David D. Keck 1932-6-18 1980 San Mateo Skyline Blvd. at Langley HIll (SW of Stanford Unviersity) 600 Comment
  SEINET10846229  Layia platyglossa John T. Middleton 1937-4-10 Middleton 83 c San Mateo San Mateo Co., Ca. Comment
  CAS-BOT-BC534546  Lemna gibba A. D. E. Elmer 1903-7-1 4765 San Mateo San Pedro Comment
  CAS-BOT-BC221534  Lepechinia calycina D. E. Breedlove 1974-5-13 36206 San Mateo San Pedro Valley Park, Pacifica 152 Comment
  JROH2792  Lepechinia calycina John H. Thomas 1973-5-5 16769 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC25883  Lepechinia calycina Alice Eastwood Apr 1896 San Mateo Crystal Springs Comment
  RSA131154  Lepidium didymum John H. Thomas 1958-8-1 7370 San Mateo About 0.5 mi N of mouth of Pescadero Creek. Sea level. 0 Comment
  CAS-BOT-BC89219  Lepidium draba J. H. Thomas 1956-4-27 4920 San Mateo Along Bayshore Highway, east of San Carlos. Comment
  CAS-BOT-BC12600  Lepidium nitidum Margaret A. Barry 1937-5-8 83 San Mateo On Coal Mine Ridge. Comment
  CAS-BOT-BC12597  Lepidium nitidum Elizabeth McClintock; David Schooly; Kim Marcus 1975-4-13 s.n. San Mateo San Bruno Mountains. Above Hillside Boulevard, South San Francisco. Comment
  JROH1560  Lepidium strictum John Hunter Thomas 1978-4-25 19154 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM176894  Lepidium strictum Helen M. Edwards 1917-2-8 s.n. San Mateo Stanford University. Campus. Comment
  CAS-BOT-BC226609  Leptosiphon ambiguus James McMurphy 1906-5-8 s.n. San Mateo Head of Crystal Springs Lake Comment
  SJSU1074  Leptosiphon ambiguus C. W. Sharsmith 1951-4-6 5824 San Mateo Woodside Hills c. 3 mi W of Woodside 182 Comment
  UCD118420  Leptosiphon ambiguus Robert T. Albertson 1975-5-10 23 San Mateo northwest corner of Farm Hill Boulevard and Eden Bower Lane intersection, Redwood City. 91 Comment
  POM279155  Leptosiphon androsaceus Lyman Benson 1935-5-5 6531 San Mateo Lake Searsville. 152 Comment
  RSA18460  Leptosiphon androsaceus C. B. Wolf 1927-6-29 547 -A San Mateo Along coast south of Pebble Beach near Pescadero. Comment
  OBI43249  Leptosiphon androsaceus Delzie Demaree 1932-4-27 9020 San Mateo Dry fields above Spring Valley Lakes Comment
  POM279125  Leptosiphon androsaceus Lyman Benson 1928-4-16 608 San Mateo Searsville Ridge, Stanford U. 152 Comment
  JROH5708  Leptosiphon parviflorus John Rawlings 2015-3-15 1351 San Mateo Jasper Ridge Biological Preserve, Stanford University; Rd. D. 110 Comment
  CDA5157  Leptospermum laevigatum T. C. Fuller 1969-5-15 18476 San Mateo Hillslope opposite the welfare farm, Highway 92 to San Mateo, east limits of Half Moon Bay. 0 Comment
  CAS-BOT-BC324055  Lessingia arachnoidea John Thomas Howell 1927-4-15 2325 San Mateo Crystal Springs Lake 213 Comment
  CAS-BOT-BC324065  Lessingia arachnoidea L. S. Rose 1941-9-6 41434 San Mateo San Mateo Canyon 90 Comment
  JEPS21657  Lessingia arachnoidea W. R. Dudley 1902-9-21 San Mateo near fork to Alms House; Crystal Springs Reservoir Comment
  SJSU15428  Lessingia germanorum Toni Corelli 2011-9-14 720 a San Mateo Northeast of Hillside Park, above houses 107 Comment
  JROH1008  Lessingia glandulifera var. glandulifera John H. Thomas 1961-6-7 9532 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1010  Lessingia glandulifera var. glandulifera John H. Thomas 1963-5-15 10091 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1029  Lessingia glandulifera var. glandulifera John Hunter Thomas 1992-5-25 25343 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET7063128  Lessingia glandulifera var. pectinata A. G. Vestal 1963-7-12 s.n. San Mateo Jasper Ridge. UTM Zone 10, 568418mE, 4140415mN. (WGS84/NAD83). 174 Comment
  CAS-BOT-BC324174  Lessingia hololeuca Josephine D. Randall 1907-7-23 s.n. San Mateo near Crystal Springs Lake 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
  JROH5816  Lessingia hololeuca John Rawlings, Cary Tronson 2016-10-4 1948 San Mateo Jasper Ridge Biological Preserve, Stanford University. Location may be supplied to researchers on request. 111 Comment
  RSA169310  Lessingia hololeuca L. S. Rose 1964-9-5 s.n. San Mateo Emerald Lake, W of Redwood City. 244 Comment
  JROH5965  Lessingia pectinata var. tenuipes Ann Lambrecht, Alice Cummings 2017-6-13 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Road E overlook bend 118 Comment
  CAS-BOT-BC342092  Leucanthemum vulgare John H. Thomas 1964-6-19 10424 San Mateo 0.9 miles south of Tunitas Creek near Coast Highway 60 Comment
  CAS-BOT-BC342096  Leucanthemum vulgare W. R. Dudley 1908-6-19 s.n. San Mateo Santa Cruz Mountain Peninsula. Hills north of Jersey Farm W. of Baden Comment
  CAS-BOT-BC273563  Leymus californicus A. D. E. Elmer 1903-6-1 4700 San Mateo San Mateo, (toward Crystal Springs Lake) Comment
  CAS-BOT-BC272185  Leymus triticoides Elizabeth McClintock; Paul Reeberg 1988-10-31 s.n. San Mateo South side of Crocker Industrial Park just east of West Powerline, San Bruno Mountains 60 Comment
  UC306537  Ligusticum apiifolium A. D. E. Elmer July 1903 4966 San Mateo San Mateo Comment
  POM132667  Ligusticum apiifolium A. D. E. Elmer 1903-07 4966 San Mateo San Mateo Comment
  JROH2986  Ligustrum vulgare John Rawlings 2007-4-11 1052 San Mateo Jasper Ridge Biological Preserve, Stanford University; near the cleared area of private property bordering the Preserve and Corte Madera Creek 115 Comment
  JROH5831  Ligustrum vulgare Ann Lambrecht, Alice Cummings 2013-6-18 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; at the end of a spur off Trail 12 nearly opposite the intersection with Trail 10. The spur ends in a large patch of Scirpus microcarpus at the edge of Corte Madera Creek. 109 Comment
  UC114028  Lilaea scilloides Katharine Brandegee Jun 1905 San Mateo Colma Comment
  POM193948  Lilaea scilloides W. R. Dudley 1893-05 s.n. San Mateo Santa Cruz Mountain peninsula: Back of Mira Vista, near Stanford University Comment
  CAS-BOT-BC45870  Limnanthes douglasii var. sulphurea William Anderson 1966-4-22 n.s San Mateo Canyon Road Comment
  CAS-BOT-BC45871  Limnanthes douglasii var. sulphurea J. Ed. McClellan; Bonnie McClellan 1968-4-13 n.s San Mateo Butano Creek Canyon Comment
  UC2046448  Limonium californicum Michael Perlmutter 2011-10-2 s.n. San Mateo Coyote Point Marina. County of San Mateo Department of Parks. Comment
  JROH4053  Limosella acaulis John Hunter Thomas 1980-11-12 20166 San Mateo Jasper Ridge Biological Preserve, Stanford University. Ground of delta Comment
  JROH4063  Limosella acaulis John Hunter Thomas 1982-11-6 21212 San Mateo Jasper Ridge Biological Preserve, Stanford University; old bathing beach, edge of Searsville Lake Comment
  SEINET12279017  Linanthus androsaceus Unknown 1932-1 9020 San Mateo Los Francos Woods Comment
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Nov 1 2021
  UC907992  Linanthus androsaceus J. M. Webber 1926-4-29 San Mateo Merced Lake Comment
  SEINET4854778  Linanthus croceus Alice Eastwood 1901-5-19 s.n. San Mateo Blenheim. Comment
  JROH3183  Linanthus dichotomus D. D. Davis 1903-4-5 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Ridge Comment
  SEINET3696412 Image available Linanthus filipes Lewis S. Rose 1932-4-10 32140 San Mateo Redwood City. Comment
  JEPS30889  Linanthus liniflorus J. H. Thomas 1958-5-13 7166 San Mateo about 3 mi sw San Mateo (along Skyline Blvd, 0.3 mi s of intersection of Skyline Blvd with Black Mt Rd) 304 Comment
  JEPS113041  Linanthus liniflorus subsp. pharnaceoides Dean W. Taylor 1994-5-10 14263 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
  JEPS112713  Linanthus parviflorus Dean W. Taylor 1994-5-10 14270 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
  SEINET7076098  Linanthus parviflorus 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
  SEINET12279094  Linanthus pharnaceoides M. T. Doutt 1931-1 418 San Mateo Skyline Blvd Comment
  CAS-BOT-BC389735  Lithocarpus densiflorus J. Lovelle 1973-7-29 26 San Mateo Pescadero Cr. Comment
  CDA34068  Lithocarpus densiflorus D. G. Kelch, David Gernandt, Steffi Ickert-Bond, Yinli Guo 2011-4-22 11 .157 San Mateo Santa Cruz Mountains; Along Route 9, ~5 km E of Big Basin Redwoods. Comment
  UC142600  Lithocarpus densiflorus C. F. Baker 1902-10-1 1759 San Mateo Summit of Coast Range Comment
  CAS-BOT-BC36026  Lithocarpus densiflorus var. densiflorus Ira L. Wiggins 1925-4-1 1661 San Mateo On Kings Mountain Road one mile above Woodise just above the first Pseudotsuga menziesii on the right edge of the road Comment
  POM182580  Lithocarpus densiflorus var. densiflorus D. D. Keck 1931-7-5 1262 San Mateo Skyline Boulevard, due E. of La Honda. 610 Comment
  CAS-BOT-BC430773  Lithophragma affine Elizabeth McClintock 1963-2-16 s.n. San Mateo Romanzoffia Ravine, San Bruno Mountain Comment
  JROH3894  Lithophragma heterophyllum John Hunter Thomas 1983-4-5 21319 San Mateo Jasper Ridge Biological Preserve, Stanford University. Path to redwood area Comment
  JROH3899  Lithophragma heterophyllum John Hunter Thomas 1986-4-22 23973 San Mateo Jasper Ridge Biological Preserve, Stanford University. Wooded slope above east arm of Searsville Lake 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-BC60215  Lobularia maritima Elizabeth McClintock; Paul Reeberg 1988-4-6 s.n. San Mateo San Bruno Mountain. Guadalupe Canyon Parkway. 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-BC342308  Logfia filaginoides Peter H. Raven 1950-4-16 1803 San Mateo Summit ridge, San Bruno Mts. 243 Comment
  JROH747  Logfia gallica John Hunter Thomas 1990-5-29 24863 San Mateo Jasper Ridge Biological Preserve, Stanford University; near picnic area Comment
  CAS-BOT-BC342471  Logfia gallica George Oberlander 1950-4-16 705 San Mateo San Francisco Watershed Reserve. Near San Andreas Lake Comment
  CAS-BOT-BC342473  Logfia gallica Eric Walther 1920-5-1 s.n. San Mateo Woodside Comment
  CAS-BOT-BC283224  Lolium multiflorum John H. Thomas 1971-5-2 15818 San Mateo Near intersection of Canada Road and Edgewater Road, about 3 miles W from Redwood City 152 Comment
  JROH5294  Lolium perenne W. Lennihan 1990-5-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 15 - path turnoff by black oak, bottom of swale. Comment
  UC21261  Lomatium caruifolium var. caruifolium Alice Eastwood April 1896 San Mateo on rd. to Crystal Springs Comment
  SEINET6205051  Lomatium dasycarpum L. S. Rose 1965-1 65027 San Mateo San Bruno Mountain, S of parking lot. Comment
  JEPS17134  Lomatium dasycarpum subsp. dasycarpum W. L. Jepson 1914-3-22 5737 San Mateo Redwood City Comment
  JEPS23880  Lomatium dasycarpum subsp. dasycarpum Le Roy Abrams 1902-5-11 2447 San Mateo Crystal Springs Lake Comment
  RSA452094  Lomatium dasycarpum subsp. dasycarpum Glenn A. Gorelick 1967-2-10 s.n. San Mateo San Bruno Mountains, overlooking Daly City near San Francisco. Comment
  JEPS17120  Lomatium macrocarpum Elena R. Goodwin May, 1914 5739 San Mateo Redwood City Comment
  JROH281  Lomatium macrocarpum John H. Thomas 1975-5-26 17915 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1368794  Lomatium macrocarpum David H. French 1968-4-19 2857 San Mateo w. Redwood City (s.e. of Upper Crystal Springs Reservoir, s.e. side Edgewood Rd., ca. 100 yds. n.e. of intersection w/ Canada Rd.) Comment
  CAS-BOT-BC240429  Lonicera hispidula W. R. Dudley 1895-9-15 s.n. San Mateo El Corte Madera, Canon [Canyon], Sta Cruz Mts Comment
  CAS-BOT-BC240589  Lonicera hispidula J. I. McMurphy 1906-5-20 37 San Mateo Santa Cruz Peninsula. King's Mt., Santa Cruz Mts. Comment
  CAS-BOT-BC240590  Lonicera hispidula Josephine D. Randall 1907-6-29 20 San Mateo Santa Cruz Peninsula. Los Trancos Creek near Stanford University Comment
  CAS-BOT-BC240604  Lonicera hispidula Josephine D. Randall 1907-7-8 22 San Mateo Santa Cruz Peninsula. King's Mt. Road 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
  UC484309  Lonicera hispidula var. vacillans Carl B. Wolf 1930-11-5 1805 San Mateo 2 mi w La Honda; Santa Cruz Mtns. 304 Comment
  CAS-BOT-BC243971  Lonicera involucrata var. ledebourii Carl B. Wolf 1929-5-25 3733 San Mateo 2 mi. from Pescadero on Alpine Creek Comment
  POM250690  Lonicera involucrata var. ledebourii D. D. Keck 1938-5-30 4726 San Mateo San Gregorio. 30 Comment
  UCSC000720  Lonicera involucrata var. ledebourii G. E. Sindel 1935-8-7 325 San Mateo 0.75 mile S. of Pomponio Creek Pomponio Creek - Santa Cruz 107 Comment
  CAS-BOT-BC241415  Lonicera japonica Walter Knight; Irja Knight 1964-9-2 947 a San Mateo San Bruno Mountain. Crocker Avenue, an escape near Guadalupe Road Comment
  UCR101648  Lotus corniculatus George K. Helmkamp, E. A. Helmkamp 1998-5-16 3742 San Mateo Portola Valley, Golden Hills Rd along Los Trancos Creek 107 Comment
  UC203061  Lotus humistratus A. D. E. Elmer 1903-5-1 4722 San Mateo Belmont Comment
  RSA159410  Lotus wrangelianus John H. Thomas 1961-5-14 9384 San Mateo Just north of dam on San Mateo Creek. 122 Comment
  RSA195433  Lupinus C. P. Smith 1922-6-10 3548 San Mateo South San Francisco 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
  POM10874  Lupinus affinis C. F. Baker 1903-4-6 471 San Mateo Crystal Springs Lake. Comment
  POM10879  Lupinus affinis C. F. Baker 1902-4-6 473 San Mateo Crystal Springs Lake. Comment
  UC126955  Lupinus affinis J. Burtt Davy 1895-4-20 1087 San Mateo San Mateo Creek Comment
  SEINET10488359  Lupinus affinis Charles F. Baker 1902-4-6 Baker 473 San Mateo Crystal springs lake. Colonies frequent along banks and grassy slopes, Especially near borders of thickets Comment
  SEINET12154347  Lupinus albicaulis L. K. Henry 1956-1 s.n. San Mateo along Pacific Ocean, at Pigeon Pt. Lighthouse on Rt 1 Comment
  JEPS64922  Lupinus albifrons W. L. Jepson 1921-4-3 9108 San Mateo Colma Canyon near Colma; Colma Canyon Comment
  CAS-BOT-BC195803  Lupinus albifrons var. albifrons Delzie Demaree 1933-8-13 10508 San Mateo Red-Wood [Redwood] City Comment
  CAS-BOT-BC195811  Lupinus albifrons var. albifrons Fred Hemphill 1973-4-8 719 San Mateo San Carlos. North of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC195818  Lupinus albifrons var. albifrons C. F. B. 1902-3-22 341 San Mateo Crystal Springs Lake Comment
  RSA15300  Lupinus albifrons var. albifrons Carl B. Wolf 1927-4-3 270 San Mateo 1 mile above La Honda. Santa Cruz Mountains. Comment
  CAS-BOT-BC195813  Lupinus albifrons var. albifrons W. R. Dudley 1894-4-21 s.n. San Mateo Ravine of San Mateo Creek 3 miles above town Comment
  CAS-BOT-BC196106  Lupinus albifrons var. collinus Javier Penalosa 1963-3-9 2685 San Mateo 1/2 mi. east of 1314 ft. summit 304 Comment
  CAS-BOT-BC196120  Lupinus albifrons var. collinus Charles Piper Smith 1908-5-31 1437 San Mateo South San Francisco, in town Comment
  CAS-BOT-BC196122  Lupinus albifrons var. collinus J. F. Emmel 1969-3-19 146 San Mateo Crest of San Bruno Mts., 2 air miles west of Sierra Point 304 Comment
  CAS-BOT-BC196126  Lupinus albifrons var. collinus A. A. Heller 1907-4-25 8462 San Mateo San Bruno Hills Comment
  UC1300892  Lupinus albifrons var. collinus Helen K. Sharsmith 1963-2-16 5139 San Mateo lower open slopes San Bruno Mountain (above Daly City); San Francisco Bay Region, slopes of San Bruno Mountain 106 Comment
  CAS-BOT-BC196433  Lupinus arboreus John Thomas Howell 1933-4-9 10973 San Mateo 2 miles n. of Pigeon Pt. Comment
  JEPS85208  Lupinus arboreus Roy E. Buck, James A. West 1985-4-29 523 San Mateo along n side of Whitehouse Canyon Rd. just w of minor gulch, e of first curve in from CA Hwy 1 ca 0.7 air km ne Whitehouse Canyon Rd. - CA 1 jct (2.0 air km e of Franklin Point, Cascade Ranch); e of Franklin Point, Cascade Ranch 60 Comment
  SEINET10488460  Lupinus arboreus Didley 1906-6-10 DIDLEY s.n. San Mateo Santa cruz mountain peninsula. By road, s cabil ridge Comment
  POM349925  Lupinus arboreus var. arboreus E. A. Purer 1933-7-27 18256 San Mateo Two miles south of Pigeon Point Comment
  JROH5695  Lupinus bicolor John Rawlings 2015-3-31 1415 San Mateo Jasper Ridge Biological Preserve, Stanford University. In old quarry off of Trail 12 77 Comment
  HSC43288  Lupinus bicolor Dunn 1946-5-16 2596 San Mateo 1 block N of Sloat Blvd. at Vale Ave. Comment
  CAS-BOT-BC215064  Lupinus chamissonis Charles Piper Smith 1948-4-23 48146 San Mateo Junction of SF County Jail Road, Highway 5 Comment
  SEINET12154485  Lupinus chamissonis M. T. Doutt 1931-1 238 San Mateo S of San Francisco Comment
  SEINET12154528  Lupinus densiflorus var. aureus G. A. McCallum 1933-1 s.n. San Mateo Los Franus ranch Comment
  UC127062 Image available Lupinus eximius J. Burtt Davy 1895-4-20 1050 San Mateo Lake Pilarcitos; ; Lake Pilarcitos, San Mateo Co. Comment
  RSA130909  Lupinus formosus var. formosus E. K. Balls 1958-7-22 23592 San Mateo Highway 5, at turn-off to San Bruno, San Bruno Hills. 213 Comment
  RSA0003448  Lupinus lasiotropis Edward L. Greene 470 San Mateo Crystal Springs Lake. Frequent along banks, specially shady places. Comment
  RSA51345  Lupinus latifolius Peter H. Raven 1950-4-30 1985 San Mateo Montara Mountains 122 Comment
  SD27830  Lupinus menziesii Carl B. Wolf 1929-5-17 3712 San Mateo Alpine Road east of Skyline Blvd. 305 Comment
  JROH2142  Lupinus nanus John Hunter Thomas 1991-4-25 24995 San Mateo Jasper Ridge Biological Preserve, Stanford University; Rattlesnake Rocks Comment
  SBBG66998  Lupinus nanus L. R. Abrams 1914-4-20 5128 San Mateo confluence of Los Troncos and San Francisquito crks Comment
  JROH5865  Lupinus nanus John H. Thomas 1975-4-5 17716 B San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD109095  Lupinus nanus Carl B. Mankinen 1967-4-5 s.n. San Mateo on State Highway 1, 1.8 miles northwest of Gazos Creek. Comment
  RSA143002  Lupinus nanus subsp. nanus John H. Thomas 1960-4-26 8597 San Mateo Along Sand Hill Road, between Menlo Park and Searsville. 91 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
  UC187796 Image available Lupinus succulentus var. layneae Katharine Brandegee 1918-6-23 San Mateo Farallon City Comment
  SD39057  Lupinus tidestromii Edith A. Purer 1932-7-18 4009 San Mateo Half Moon Bay Comment
  JEPS34467  Lupinus variicolor L. Heckard and R. Bacigalupi 1963-7-2 1356 San Mateo trail to Montara Peak above old county road Comment
  POM10796  Lupinus variicolor E. B. Copeland 1903-6-3 3301 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
  UC82051  Lupinus variicolor Dr. E. B. Copeland 1903-6-3 3302 San Mateo Montara Point Comment
  SEINET10489095  Lupinus variicolor Walter Knight, Irja Knight 1965-3-28 Knight 974 San Mateo San bruno mtn. In grassy area. April brook. Only occasional plant. Comment
  SEINET12154795  Lupinus variicolor M. T. Doutt 1931-1 423 San Mateo Skyline Blvd, W of Hillbrae Comment
  JROH4526  Luzula comosa var. comosa John H. Thomas 1973-3-12 16494 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC23971  Luzula multiflora subsp. multiflora Mary Katherine Wicksten 1971-6-29 139 San Mateo Huddart Park below Redwood Shelter Comment
  CAS-BOT-BC441374  Luzula subsessilis R. E. Frenkel 1964-5-22 505 San Mateo San Francisco Water District, 0.3 mile N of Sawyer Ridge Road, on Portola Ridge Road 268 Comment
  UCD41235  Lysichiton americanus Rebecca L. Moehlmann 1977-4-19 1 San Mateo 0.8 miles east of Cloverdale Road on Canyon Road. 15 miles south of Halfmoon Bay and Highway 1, turn east ( left) on Pescadero Road, go 2 miles than turn South (right) on Cloverdale Road. About 2 1/2 miles till Canyon Road. Comment
  CAS-BOT-BC290600  Lythrum Peter Rubtzoff 1987-8-26 9837 San Mateo San Bruno Mountain, Saddle area on N side of Guadalupe Canyon. Parkway west of Radio Road junction; northwestern part of the area along old Guadalupe Road. Comment
  UC1190031  Lythrum hyssopifolia J. H. Thomas 1954-5-28 4242 San Mateo just n of South San Francisco (San Bruno Mountain); San Bruno Mountain 30 Comment
  JEPS40339  Madia elegans John Thomas Howell 1926-10-9 2221 San Mateo between Crystal Springs Lake and San Mateo Comment
  RSA81525  Madia elegans subsp. densifolia James I. McMurphy 1907-8-8 s.n. San Mateo San Francisquito Creek; San Mateo - Santa Clara county line Comment
  RSA11149  Madia elegans subsp. elegans C. B. Wolf 1929-5-17 3713 San Mateo 1 mile W of Skyline Drive on Alpine Road. Comment
  JROH1044  Madia exigua John H. Thomas 1969-5-28 15090 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1047  Madia exigua John H. Thomas 1975-5-26 17903 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1049  Madia exigua John Hunter Thomas 1977-6-16 18779 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC344486  Madia exigua H. A. Dutton 1900-5-6 s.n. San Mateo Santa Cruz Mountain Peninsula. Woodside Comment
  JEPS112942  Madia gracilis Dean W. Taylor 1994-5-10 14275 San Mateo San Mateo Creek drainage; along Crystal Springs Road 0.3 mi East of junction of Tartan Trail 67 Comment
  JROH1072  Madia gracilis D. E. Breedlove 1971-5-31 19342 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH1084  Madia gracilis John Hunter Thomas 1985-5-7 23642 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM298352  Madia gracilis D. D. Keck 1932-6-1 1787 San Mateo Above Woodside on the La Honda road, east slope of the Santa Cruz Mountains 305 Comment
  POM263770  Madia madioides L. S. Rose 1941-7-2 41287 San Mateo Kings Mountain 540 Comment
  POM298347  Madia madioides D. D. Keck 1932-5-11 1497 San Mateo Above Woodside on La Honda road, east slope of Santa Cruz Mountains 229 Comment
  JROH1111  Madia sativa John Hunter Thomas 1983-7-7 22814 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing Comment
  JROH1116  Madia sativa John Hunter Thomas 1988-10-17 24594 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC483494  Madia sativa Ira L. Wiggins 1929-7-4 3796 San Mateo sea bluffs at Pescadero Beach Comment
  CAS-BOT-BC345119  Madia sativa David D. Keck 1932-8-11 1745 San Mateo Skyline Blvd., about 1 mi. S. of junction with Alpine Creek road, Santa Cruz Mts., Santa Clara--San Mateo Co. line 640 Comment
  CAS-BOT-BC345133  Madia sativa Peter H. Raven 1950-6-3 2218 San Mateo Millbrae Ave., Millbrae 60 Comment
  POM298334  Madia sativa D. D. Keck 1930-10-15 988 San Mateo SW of Woodside 457 Comment
  JROH4698  Maianthemum racemosum John Hunter Thomas 1985-4-22 23544 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4702  Maianthemum racemosum John Hunter Thomas 1989-6-17 24777 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5749  Maianthemum racemosum L. Nordby 1982-4-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Near San Francisquito Creek, north of Rattlesnake rock Comment
  UCSB33561  Maianthemum racemosum Brownell, Kathleen 1979-3-27 San Mateo Gazoos Road; 0.6 miles from Highway 1; Near Butano State Park; Foothills of Santa Cruz Mountains 76 Comment
  CAS-BOT-BC512109  Maianthemum racemosum subsp. amplexicaule Fred Hemphill 1973-4-22 701 San Mateo San Carlos. Chaparral area north of Malabar Road and Melendy Drive 207 Comment
  SD39133  Maianthemum racemosum subsp. amplexicaule Marie Cummings 1933-4-11 12 San Mateo Pescadero. Comment
  CHSC27884  Maianthemum stellatum Susan Perkins 1978-3-24 5 San Mateo Hwy 84 (La Honda Rd), 1.5 road mi ne of Skylonda, 1.5 road mi s jct Hwy 84 and Portola Rd. Ca. 2 mi s of Woodside. 292 Comment
  JROH4705  Maianthemum stellatum John H. Thomas 1970-5-16 15629 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4713  Maianthemum stellatum John Hunter Thomas 1981-4-5 20260 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM226215  Maianthemum stellatum Lewis S. Rose 1933-4-9 33070 San Mateo Belmont Comment
  CAS-BOT-BC514170  Maianthemum stellatum Walter & Irja Knight 1965-3-21 991 San Mateo North facing slope of Power Line Ridge Comment
  SD27772  Maianthemum stellatum Carl B. Wolf 1927-4-3 250 San Mateo 1 mile above La Honda. 244 Comment
  RSA176727  Malacothamnus arcuatus John H. Thomas 1962-6-6 9906 San Mateo Jasper Ridge Biological Expermental Area, about 5 miles SW of Palo Alto; just above Searsville Lake. Comment
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Nov 5 2009
  HSC16067  Malacothamnus fasciculatus J. Wendell Howe 1930-6-5 186 San Mateo Coast range W Palo Alto Comment
  CAS-BOT-BC204084  Malacothamnus hallii John Thomas Howell 1935-4-11 12579 San Mateo West end of Hayward - San Mateo Bridge Comment
  HSC16000  Malva arborea P. A. Murphy 1965-4-16 45 San Mateo Half Moon Bay Comment
  SEINET7248024  Malva assurgentiflora Robert C. Bechtel 1952-1 84 San Mateo Colma Comment
  CHSC57018  Malva parviflora Steven Triano 1988-5-24 188 San Mateo Ca 100 ft sw of Hwy. 1, 750 ft s of Gazos Creek and 2.4 mi s of Pigeon Point Light Station. 6 Comment
  SD39324  Malvella leprosa Edith Purer 1933-8-13 5424 San Mateo Field, Santa Clara Valley near Belmont Comment
  JROH1899  Marah fabacea Daniel Cohen 1953-4-11 25 San Mateo Jasper Ridge Biological Preserve, Stanford University; near west end of Searsville Lake Comment
  JROH5744  Marah fabacea J. C. Gaither 1982-5-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; ~ .5 km along fire road from Escobar Gate. Comment
  RSA440956  Marah fabacea K. M. Stocking 1947-5-15 39 San Mateo 2 miles W of Redwood City, just E of Woodside. Comment
  UC1746100  Marah oregana Annetta Carter, Helen Sharsmith 1937-5-23 1319 San Mateo Just S of Crystal Springs Lake. Comment
  CDA5694  Marrubium vulgare C. M. Sill 1961-7-1 San Mateo Laurel School, Menlo Park. 0 Comment
  CAS-BOT-BC67843  Marsilea vestita Peter H. Raven 1950-6-3 2269 San Mateo San Andreas Lake 121 Comment
  CAS-BOT-BC348195  Matricaria discoidea Peter H. Raven 1950-6-3 2211 San Mateo Along Millbrae Ave., Millbrae 60 Comment
  JROH616  Matricaria discoidea John H. Thomas 1967-5-12 12886 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM176886  Meconella californica W. R. Dudley 1894-3-26 s.n. San Mateo San Mateo to Crystal Springs Reservoir, Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC422675  Meconella californica W. R. Dudley 1894-4-4 s.n. San Mateo Santa Cruz Peninsula. Near Crystal Springs Lake Comment
  JROH2177  Medicago arabica John H. Thomas 1976-10-16 18421 San Mateo Jasper Ridge Biological Preserve, Stanford University; along or near San Francisquito Creek from the low flow crossing to the vicinity of the old fireplace ruins downstream Comment
  JROH2174  Medicago polymorpha John Hunter Thomas 1988-5-5 24451 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2163  Medicago polymorpha John H. Thomas 1967-5-10 12864 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC157964  Medicago polymorpha var. brevispina Peter Rubtzoff 1978-7-8 9236 San Mateo San Bruno Mountains. Saddle area on N side of Guadalupe Canyon Parkway west of Radio Road junction Comment
  CAS-BOT-BC269446  Melica californica Phillip C. Wheeler 1965-5-18 s.n. San Mateo San Bruno Mountain. Base of the mountain near Olivet Cemetery Comment
  CAS-BOT-BC269474  Melica californica L. R. A. 1902-5-4 2407 San Mateo Woodside Comment
  JROH5299  Melica californica W. H. Lennihan 1990-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Right side of trail leading from serpentine hill to oak woodlands. Comment
  UC1738811  Melica californica var. californica Dean W. Taylor 1988-3-30 9489 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
  JROH5306  Melica imperfecta John Hunter Thomas 1980-5-8 24852 San Mateo Jasper Ridge Biological Preserve, Stanford University. Low-flow crossing. Comment
  CDA9445  Melica subulata D. G. Kelch 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  CAS-BOT-BC264241  Melica torreyana Robert Robertson 1954-4-23 97 San Mateo Jaspers Ridge near Searsville Lake 170 Comment
  CAS-BOT-BC264248  Melica torreyana W. R. Dudley 1899-5-1 s.n. San Mateo Road from San Andreas Rs. to Pilarcitos, Santa Cruz Mountain Peninsula Comment
  JROH2179  Melilotus albus John H. Thomas 1976-10-16 18401 San Mateo Jasper Ridge Biological Preserve, Stanford University; in Searsville Lake at the mouth of Corte de Madera Creek Comment
  JEPS121449  Melilotus indicus Adam C. Schneider with C. Matt Guilliams 2013-3-9 51 San Mateo Crystal Springs Reservoir Comment
  JROH2190  Melilotus indicus John H. Thomas 1978-5-23 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC311106  Melilotus indicus A. D. E. Elmer June, 1903 4278 San Mateo Crystal Springs Lake Comment
  JROH2802  Melissa officinalis Carol Zabel 1989-8-7 21 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 13, half way from causeway bridge to Leonard's bridge, north side of trail Comment
  JROH2805  Mentha pulegium David D. Keck 1939-7-17 5012 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake 115 Comment
  JROH2821  Mentha pulegium John Hunter Thomas 1982-11-6 21209 San Mateo Jasper Ridge Biological Preserve, Stanford University; edge of Searsville Lake near Searsville Lab Comment
  UCD142325  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-BC428898  Micranthes californica James McMurphy 1902-3-22 s.n. San Mateo Above Portola Comment
  RSA176742  Micropus californicus John H. Thomas 1963-5-12 10086 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto Comment
  RSA292406  Micropus californicus Lyman Benson 1935-5-5 6539 San Mateo Lake Searsville. Stanford University. Santa Cruz Mtn range. S.F. Bay watershed. 152 Comment
  JROH1123  Micropus californicus var. californicus John H. Thomas 1967-5-10 12862 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC348573  Micropus californicus var. californicus George Oberlander 1949-7-24 286 San Mateo San Francisco Watershed Reserve. Northern Cahill Ridge Comment
  RSA130390  Micropus californicus var. subvestitus W. R. Dudley 1906-5-13 s.n. San Mateo Open hills southwest of San Mateo Comment
  CAS-BOT-BC349021  Microseris douglasii subsp. douglasii LeRoy Abrams 1902-5-4 2418 San Mateo Woodside Comment
  CAS-BOT-BC349028  Microseris douglasii subsp. douglasii Ned Cahill 1974-4-29 202 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JROH1136  Microseris douglasii subsp. douglasii John H. Thomas 1955-5-6 4993 San Mateo Jasper Ridge Biological Preserve, Stanford University; open serpentine area on top of ridge and adjacent grassy slopes Comment
  JROH1143  Microseris douglasii subsp. douglasii John H. Thomas 1967-5-10 12853 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM52854  Microseris douglasii subsp. douglasii A. D. E. Elmer 1903-05 4721 San Mateo Crystal Springs Lake Comment
  SBBG39524  Microseris douglasii subsp. douglasii L. S. Rose 1970-4-23 70030 San Mateo Black Mtn, Skyline Blvd, W of San Mateo 121 Comment
  CAS-BOT-BC349018  Microseris douglasii subsp. douglasii W. R. Dudley 1906-5-8 s.n. San Mateo Santa Cruz Mountain Peninsula. Alpine Road near Strawberry Bend Comment
  CAS-BOT-BC349039  Microseris douglasii subsp. douglasii Elizabeth McClintock 1978-4-24 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  JROH1155  Microseris douglasii subsp. tenella John Rawlings, Ann Lambrecht 2007-4-18 1040 San Mateo Jasper Ridge Biological Preserve, Stanford University. Road F in Area H. 170 Comment
  RSA184976  Microseris douglasii subsp. tenella L. S. Rose 1966-5-2 66037 -B San Mateo Emerald Lake, west of Redwood City. 91 Comment
  CAS-BOT-BC7487  Microseris leucocarpha Charles Fuller Baker 1902-5-4 808 San Mateo Woodside Comment
  JROH5943  Microsteris gracilis John Rawlings 2017-3-17 1981 San Mateo Jasper Ridge Biological Preserve, Stanford University; in and along Road F in East Serpentine near Escobar Gate. 161 Comment
  SEINET12269789  Mimulus aurantiacus J. I. McMurphy 1906-1 25 San Mateo Kings Mt., Santa Cruz Mts., Santa Cruz Peninsula Comment
  JROH4074  Mimulus aurantiacus var. aurantiacus John H. Thomas 1975-6-5 17936 San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack Comment
  JROH4077  Mimulus aurantiacus var. aurantiacus John Hunter Thomas 1980-6-5 19998 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM5073  Mimulus aurantiacus var. aurantiacus Stewart H. Burnham 1894-4-21 s.n. San Mateo [Unspecified] Comment
  RSA10375  Mimulus aurantiacus var. aurantiacus H. A. Barker 1926-5-1 607 San Mateo Kings Mt. Comment
  POM5152  Mimulus cardinalis A. D. E. Elmer 1903-07 4941 San Mateo Lake San Andreas. Comment
  JROH4082  Mimulus douglasii Le Roy Abrams 1902-4-5 2293 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Comment
  POM5170A  Mimulus douglasii C. F. Baker 1903-4-12 515 San Mateo Near San Mateo Co. Comment
  POM5178B  Mimulus guttatus C. F. Baker 1902-5-4 759 San Mateo Woodside. Comment
  JROH4085  Mimulus guttatus Herbert Dengler 1961-4-3 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; at highest point of J.R. Preserve Comment
  SEINET5561542  Mimulus guttatus H. S. Gentry 1931-1 93 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  UCD122715  Mimulus microphyllus R. S. Woglum 1935-5-25 996 San Mateo King City-Coalinga, along State Highway 198. Comment
  CAS-BOT-BC388827  Minuartia douglasii A. D. E. Elmer 1903-4-1 5042 San Mateo San Bruno Hills Comment
  CAS-BOT-BC388836  Minuartia douglasii H. A. Dutton 1900-3-11 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  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-BC388832  Minuartia douglasii Ned Cahill 1974-5-9 169 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JROH1707  Minuartia douglasii Ruth Porter 1991-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Area C Comment
  CAS-BOT-BC214070  Monardella villosa Charles Piper Smith 1908-5-31 1444 San Mateo San Mateo Canyon Comment
  CAS-BOT-BC214072  Monardella villosa C. F. Leithold 1896-7-29 s.n. San Mateo Stanford University, Santa Cruz Peninsula Comment
  CAS-BOT-BC214076  Monardella villosa Elizabeth McClintock 1965-8-1 s.n. San Mateo Slope above April Brook, San Bruno Mountain Comment
  UCD125292  Monardella villosa J. M Tucker 1951-8-6 2219 San Mateo On northwest-facing hillslope; M. R. Mattei ranch, ca. 1.5 miles northeast of Pescadero. Comment
  SEINET10582380  Monardella villosa subsp. franciscana A. Graff 1993-7-13 Graff 187 San Mateo Devil's Slide, in arroyos on inland side of Hwy. 1. Mostly past bloom. Coastal scrub. Comment
  SEINET10829418  Monardella villosa subsp. franciscana A. Graff 1993-7-13 Graff 182 San Mateo Devil's Slide, in arroyos on inland side of Hwy. 1. Mostly past bloom. Coastal scrub. Comment
  JEPS127892  Monardella villosa subsp. villosa Adam C. Schneider with C. Matt Guilliams and Will Freyman 2013-6-24 306 San Mateo Crystal Springs Reservoir Comment
  JROH2841  Monardella villosa subsp. villosa Raymond R. White 1974-5-30 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2833  Monardella villosa subsp. villosa John H. Thomas 1961-6-7 9529 San Mateo Jasper Ridge Biological Preserve, Stanford University; just above Searsville Lake Comment
  UC50083  Monolopia gracilens J. Burtt Davy Jun 21 1893-Jun 23 1893 San Mateo Pilarcitos Lake and Canyon Comment
  CAS-BOT-BC444954  Montia fontana George Oberlander 1950-4-16 632 San Mateo San Francisco Watershed Reserve. Below San Andreas Dam Comment
  UC119712  Muilla maritima C. F. Baker 1902-3-30 423 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC508580  Muilla maritima Lawrence Beane 1949-3-30 150 San Mateo Above Redwood City Comment
  CAS-BOT-BC508582  Muilla maritima George Oberlander 1950-4-16 686 San Mateo Below San Andreas Dam Comment
  CAS-BOT-BC508586  Muilla maritima Le Roy Abrams 1902-4-13 2330 San Mateo Crystal Springs Lake Comment
  CDA34567  Myosotis latifolia M. Beyers, Z. Bakman, L. Feely, & D. Sozanni 2011-4-4 876 San Mateo Pacifica: San Pedro Valley County Park, along Brooks Creek Trail. 148 Comment
  RSA133650  Myosotis latifolia John H. Thomas 1954-4-3 3815 San Mateo La Honda Creek, about 1 mile north of La Honda. 152 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
  HSC23339  Myosotis sylvatica L. A. Wright Jr. 1971-4-4 25 San Mateo 0.5 mi. E on Gazos Creek Rd. from junction with Cloverdale Rd., 6.5 mi. S off of Pescadero Rd., about 3 mi. E off of Hwy. 1. On N side of Gazos Creek, about 25 ft. from the creek and about 100 ft. from the road 91 Comment
  UC1135945  Myrica californica N. K. Carlson 1935-7-5 29 San Mateo 3 mi. s. Bellvale; Santa Cruz Quad. Comment
  JROH2978  Myrtus communis John H. Thomas 1967-6-1 12980 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5836  Narcissus pseudonarcissus Ann Lambrecht 2007-3-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Planted in Old Garden near Douglas Iris site off Trail 20 toward San Francisquito Creek Comment
  JROH6206  Narcissus tazetta Ann Lambrecht 2007-3-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; east of Rd. 20 and south of the Douglas Iris Site. 85 Comment
  CAS-BOT-BC260021  Nassella lepida W. R. Dudley 1900-3-17 s.n. San Mateo By road half way up S slope of Montara Mountain Comment
  CAS-BOT-BC260233  Nassella pulchra A. D. E. Elmer 1903-6-1 4712 San Mateo Crystal Springs Lake Comment
  RSA106988  Nassella pulchra L. S. Rose 1956-5-7 56071 San Mateo Skyline Blvd west of San Mateo. 183 Comment
  JROH1571  Nasturtium officinale John H. Thomas 1973-6-15 16830 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3198  Navarretia heterodoxa John Pelton 1958-6-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1124145  Navarretia squarrosa G. E. Sindel 1935-7-25 317 San Mateo 2.5 mi nnw Pescadero; Santa Cruz Quad. 121 Comment
  JROH2737  Nemophila menziesii var. menziesii D. D. Davis 1903-4-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Ridge Comment
  JROH2739  Nemophila menziesii var. menziesii John H. Thomas 1976-4-3 18079 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2740  Nemophila menziesii var. menziesii John Hunter Thomas 1992-4-9 25134 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC219479  Nemophila parviflora B. S. Miller 1959-5-2 34 San Mateo Alpine Road 243 Comment
  JROH5862  Nerium oleander Cary Tronson 2012-8-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Near caretakers house along Sand Hill Rd. fence 109 Comment
  JROH4169  Nicotiana acuminata var. multiflora Ann Lambrecht, John Rawlings 2007-11-7 0038 San Mateo Jasper Ridge Biological Preserve, Stanford University. 115 Comment
  JROH4167  Nicotiana acuminata var. multiflora Herb Dengler 1982-7-26 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. A single plant next to locked gate to S.F. Cr. crossing above Dennis Martin Mill site. Comment
  CAS-BOT-BC140428  Oemleria cerasiformis Margaret A. Barry 1938-5-1 s.n. San Mateo On Coal Mine Ridge Comment
  CAS-BOT-BC140439  Oemleria cerasiformis George Oberlander 1949-4-2 37 San Mateo Pilarcitos Canyon Comment
  CAS-BOT-BC140443  Oemleria cerasiformis Eric Walther 1919-6-9 s.n. San Mateo Woodside Comment
  JROH3704  Oemleria cerasiformis John H. Thomas 1958-2-15 6983 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3709  Oemleria cerasiformis John H. Thomas 1975-5-2 17852 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC860384  Oemleria cerasiformis S. B. Show 1907-2-18 8 San Mateo San Francisquito Creek 213 Comment
  CHSC1969  Oenanthe sarmentosa A. Goekler 1929-5-10 San Mateo Moss Beach. Comment
  JROH291  Oenanthe sarmentosa John Hunter Thomas 1989-6-13 24771 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM132876  Oenanthe sarmentosa A. D. E. Elmer 1903-07 4690 San Mateo Alpine School House. Comment
  RSA269270  Oenothera perennis T. C. Fuller 1970-5-12 19529 San Mateo Emily (Mrs. Hillary) Brown Prop., 3045 Ralston Ave., Burlingame Comment
  JROH3087  Orobanche John Hunter Thomas 1991-12-28 25118 San Mateo Jasper Ridge Biological Preserve, Stanford University; Rattlesnake Rocks along path to redwoods Comment
  JROH3084  Orobanche bulbosa John Hunter Thomas 1977-6-16 18748 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS19482  Orobanche californica subsp. californica Herbert L. Mason 1927-7-28 3983 San Mateo Pigeon Point. Comment
  UC1076287  Orobanche californica subsp. californica Herbert L. Mason 1927-7-28 3983 San Mateo Pigeon Point. Comment
  CAS-BOT-BC500319  Orobanche uniflora subsp. occidentalis L. R. Abrams 1904-4-10 s.n. San Mateo San Mateo Canyon Comment
  JROH3089  Orobanche vallicola James McMurphy 1906-8-6 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake Comment
  CAS-BOT-BC238395  Orthocarpus James McMurphy 1909-5-25 s.n. San Mateo San Mateo Canyon Comment
  POM319954  Orthocarpus densiflorus Barbara Shervanick 1973-4-1 800 San Mateo San Bruno Mt. first summit on Crocker Road; Mt. Range: San Bruno Mountains; Drainage Area: San Francisco Bay. Comment
  CAS-BOT-BC166766  Orthocarpus erianthus var. roseus Peter Rubtzoff 1979-4-7 9276 San Mateo San Bruno Mountains. South of the junction of Whittier Street with Frankfort Street, between it and Crocker Avenue. Comment
  RSA155567  Orthocarpus erianthus var. roseus L. S. Rose 1961-4-5 61034 San Mateo San Bruno Mountains. 366 Comment
  POM15377  Orthocarpus floribundus A. D. E. Elmer 1903-04 4522 San Mateo South San Francisco. Comment
  RSA516520  Orthocarpus floribundus W. L. Jepson 1919-4-19 8231 San Mateo S San Francisco. Comment
  POM15668  Orthocarpus lithospermoides A. D. E. Elmer 1903-06 4420 San Mateo Crystal Springs Lake. Comment
  RSA402039A  Orthocarpus lithospermoides Francis W. Pennell, D. D. Keck 1940-5-15 25413 San Mateo Emerald Lake, above Redwood City. 46 Comment
  RSA407968  Orthocarpus purpurascens Francis W. Pennell, D. D. Keck 1940-5-15 25418 San Mateo E of Upper Crystal Springs Lake, SW of San Mateo. 61 Comment
  JROH293  Osmorhiza berteroi John H. Thomas 1961-5-5 9213 San Mateo Jasper Ridge Biological Preserve, Stanford University; long San Francisquito Creek below Searsville Dam 76 Comment
  CAS-BOT-BC166730  Oxalis albicans subsp. pilosa Peter Rubtzoff; Roman Gankin 1975-5-21 7964 San Mateo San Bruno Mountains. Saddle area north of Guadalupe Canyon Parkway and west of Radio Road junction. Comment
  RSA0089401  Oxalis articulata subsp. rubra Dean Wm. Taylor 2016-2-23 21612 San Mateo Moss Beach; western shoulder bank of Highway 1 on the western ROW edge as it parallels Vallenman Street. 18 Comment
  POM278945  Oxalis corniculata Lyman Benson 1930-4-6 2042 San Mateo Moss Beach. West slope. 15 Comment
  POM353455  Oxalis oregana J. Doty 1969-3-26 602 San Mateo State Highway 34, 6 miles north of its junction with State Highway 38. Comment
  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
  SEINET10969325  Oxalis oregana R. D. Sage 1992-1-6 Sage 13395 -1 San Mateo Collected at purisima creek rd trail in purisima creek redwoods open space preserve. 9 Km w woodside. 244 Comment
  UCSB11440  Oxalis pes-caprae Olson, Jim 1962-4-17 San Mateo 1 mile east of Halfmoon Bay on Halfmoon Bay to San Mateo Road 15 Comment
  LA14373  Parapholis incurva A. Hornay; 1932-5-29 sn San Mateo San Bruno Comment
  JROH5342  Paspalum distichum W. R. Dudley 1903-1-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Upper end of Searsville Lake. Comment
  UCD88918  Paspalum distichum David Hanson 1975-11-24 s.n. San Mateo Half Moon Bay. Comment
  JROH1403  Pectocarya pusilla John H. Thomas 1981-4-27 20499 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4100  Pedicularis densiflora John H. Thomas 1956-4-7 5602 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent slopes 182 Comment
  JROH4118  Pedicularis densiflora John Hunter Thomas 1982-1-3 20794 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA130342  Pedicularis densiflora E. W. Rust 1907-4-27 135 San Mateo King's Mountain. Comment
  POM15589  Pedicularis densiflora E. B. Copeland 1903-5-9 3050 San Mateo Big Basin of Pescadero Creek. Comment
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Jun 12 2020
  RSA40106  Pedicularis densiflora L. S. Rose 1946-3-31 48031 San Mateo Millbrae Highlands. 91 Comment
  NY90895  Pedicularis dudleyi A. D. E. Elmer 06 1903 4289 San Mateo Pescadero Comment
  CAS-BOT-BC207021  Pelargonium vitifolium L. R. Abrams; I. L. Wiggins 1939-6-3 437 San Mateo 2 miles north of Pigeon Point Lighthouse Comment
  CAS-BOT-BC207028  Pelargonium vitifolium Roland M. Block 1894-5-1 s.n. San Mateo King's Mountain Comment
  JROH97  Pellaea andromedifolia John H. Thomas 1974-6-30 17465 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JEPS22894  Pentachaeta alsinoides John H. Thomas 1958-5-10 7155 San Mateo about 5 mi sw Palo Alto; Jasper Ridge 152 Comment
  RSA137339  Pentachaeta alsinoides John H. Thomas 1958-5-10 7155 San Mateo Jasper Ridge, about 5 miles southwest of Palo Alto. 152 Comment
  CAS-BOT-BC77009  Pentagramma triangularis subsp. triangularis Ira L. Wiggins 1928-4-14 2918 San Mateo Alpine Creek Road Comment
  UC812463  Pentagramma triangularis subsp. triangularis Lewis S. Rose 1938-2-23 38082 San Mateo Woodside 152 Comment
  JROH312  Perideridia kelloggii John H. Thomas 1975-7-31 17981 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM132815  Perideridia kelloggii A. D. E. Elmer 1901-09 3411 San Mateo Crystal Springs Comment
  JROH3243  Persicaria amphibia W. R. Dudley 1909-10-31 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Searsville Lake. Comment
  CAS-BOT-BC330252  Petasites frigidus var. palmatus A. W. Herre; Ira L. Wiggins 1939-3-25 19 A San Mateo Headwaters of Pescadero Creek, about 8 miles N of Big Basin Redwood Park 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-BC330312  Petasites frigidus var. palmatus W. R. Dudley 1894-3-23 s.n. San Mateo Santa Cruz Mountain Peninsula. By La Honda Creek, Redwoods above hotel Comment
  JROH2758  Phacelia distans John Rawlings 2008-4-23 1031 San Mateo Jasper Ridge Biological Preserve, Stanford University. Just west of Rd C in small, grassy opening on slope uphill from blue metal bridge near beginning of Rd 19 that leaves Rd. C 30 meters south of the main San Francisquito Creek/Rd C bridge. 92 Comment
  SJSU7544  Phacelia distans L. S. Rose 1963-5-23 63060 San Mateo Thornton Beach Park 30 Comment
  UC881073  Phacelia distans Lewis S. Rose 1939-4-13 39065 San Mateo near Crystal Springs Lake; San Mateo Canyon 60 Comment
  UC735096  Phacelia imbricata subsp. imbricata Lincoln Constance 1946-6-7 3077 San Mateo Skyline Drive about 2 mi sw Portola 457 Comment
  CDA929  Phacelia malvifolia D. G. Kelch, B. G. Baldwin, Sue Bainbridge, Abigail Moore 2005-6-21 5 .367 San Mateo S.F. Water District land, near Spring Valley. NE corner Pilarcitos Lake. Comment
  RSA184848  Phacelia malvifolia L. S. Rose 1965-5-3 65057 San Mateo San Bruno Mountain, Colma Canyon. 61 Comment
  SD38340  Phacelia ramosissima Edith A. Purer 1933-5-27 3651 San Mateo Spring Valley Lakes. Comment
  CAS-BOT-BC258934  Phalaris aquatica Cecilia Murray 1963-7-23 s.n. San Mateo Portola Valley Comment
  JROH5353  Phalaris aquatica John H. Thomas 1973-6-15 16839 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5363  Phalaris aquatica John Hunter Thomas 1982-7-2 21058 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low-flow crossing. Comment
  JROH5377  Phalaris aquatica John Hunter Thomas 1989-6-6 24760 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR101609  Phalaris aquatica George K. Helmkamp, E. A. Helmkamp 1998-5-16 3743 San Mateo Portola Valley, Golden Hills Rd along Los Trancos Creek 107 Comment
  UCD88021  Phalaris aquatica Alison Blake 2003-4-16 8 San Mateo Woodside. Filoli Center. S edge of Lower Parking Lot, along fenceline between Parking Lot and Heritage Orchard. Comment
  CAS-BOT-BC250640  Phalaris minor J. H. Thomas 1962-5-12 9861 San Mateo Franklin Point Comment
  UC820505  Phalaris minor John Thomas Howell 1937-7-5 13099 San Mateo along Bayshore Highway Redwood City Comment
  JROH5385  Phleum pratense John Rawlings 2009-7-1 1023 San Mateo Jasper Ridge Biological Preserve, Stanford University. Bear Creek. 82 Comment
  UC52847  Phlox gracilis J. Burtt Davy Jun 21 1893-Jun 23 1893 1044 San Mateo Pilarcitos Lake and Canyon Comment
  JROH2768  Pholistoma auritum var. auritum John Hunter Thomas 1981-5-5 20540 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC171184  Phoradendron serotinum subsp. tomentosum Lewis S. Rose 1930-12-14 s.n. San Mateo Woodside Comment
  JROH4291  Phoradendron serotinum subsp. tomentosum John H. Thomas 1965-12-19 11460 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC142179  Physocarpus capitatus A. D. E. Elmer 1903-7-1 4804 San Mateo Portola Comment
  JROH3728  Physocarpus capitatus John Hunter Thomas 1979-6-12 19593 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low-flow crossing Comment
  POM139635  Physocarpus capitatus A. D. E. Elmer 1903-07 4804 San Mateo Portola. Comment
  UC114306  Physocarpus capitatus C. F. Baker 1902-5-4 747 San Mateo Woodside Comment
  CAS-BOT-BC202258  Pickeringia montana var. montana 1893-5-23 s.n. San Mateo Mountain above Woodside Comment
  CAS-BOT-BC206937  Pickeringia montana var. montana Daniel Cohen 1953-5-9 86 San Mateo La Honda Road nera Skyline Drive Comment
  CAS-BOT-BC206940  Pickeringia montana var. montana George Oberlander 1950-2-1 412 San Mateo Southern Cahill - San Francisco Watershed Reserve Comment
  CAS-BOT-BC206942  Pickeringia montana var. montana J. I. McMurphy 1906-5-20 80 San Mateo King's Mt. Road, Santa Cruz Mts. - Santa Cruz Peninsula 457 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
  RSA472045  Picris echioides E. A. Purer 1933-8-13 5417 San Mateo Belmont Comment
  CAS-BOT-BC78644  Pinus halepensis Elizabeth McClintock; Paul Reeberg 1988-4-6 s.n. San Mateo above Brisbane, on ridge 750 feet west of Brisbane Ravine 121 Comment
  CDA33410  Pinus radiata D. G. Kelch, David Gernandt, Steffi Ickert-Bond, Yingli Guo 2011-4-22 11 .178-B San Mateo Swanton Rd just S of Ano Nuevo above Weddell Creek. Comment
  JROH122  Pinus radiata John Hunter Thomas 1987-4-23 24207 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSC007746  Pinus radiata Becky Hendricks, Chris Lay 2012-6-22 s.n. San Mateo Ano Nuevo State Park 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
  CAS-BOT-BC137314  Piperia elegans W. R. Dudley 1896-2-16 s.n. San Mateo Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC135929  Pittosporum tenuifolium Elizabeth McClintock; Paul Reeberg 1989-8-31 s.n. San Mateo Willow Pond - San Bruno Mountains Comment
  UC1063805  Plagiobothrys chorisianus H. S. Yates 1935-5-8 5216 San Mateo 2 mi s Pescadero; Santa Cruz Quad. 60 Comment
  UC579690  Plagiobothrys chorisianus H. S. Yates 1935-5-8 5216 San Mateo 2 mi s Pescadero; Santa Cruz Quad. 60 Comment
  UCR70806  Plagiobothrys chorisianus David D. Keck 1932-4-18 1435 San Mateo San Francisco Bay Region, Burlingame; on the shore of San Francisco Bay 2 Comment
  RSA589903  Plagiobothrys chorisianus W. R. Dudley 1894-4-21 s.n. San Mateo Near Cyrstal Springs Reservoir Comment
  CAS-BOT-BC228164  Plagiobothrys chorisianus var. chorisianus J. I. McMurphy 1906-5-8 s.n. San Mateo The Santa Cruz Mountain Peninsula. Pond by road between Woodside and Byrne's Store Comment
  JEPS120462  Plagiobothrys chorisianus var. chorisianus Daniel Slakey 2013-4-6 53 San Mateo Ano Nuevo State Reserve, just north of the Cascade Creek Trail and west of the Atkinson Bluff Trail. 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
  JROH1412  Plagiobothrys chorisianus var. hickmanii John H. Thomas 1971-4-25 15781 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SDSU5437  Plagiobothrys chorisianus var. hickmanii D. F. Howe 1967-4-13 4342 San Mateo Pebble Beach. Comment
  SD129730  Plagiobothrys reticulatus var. reticulatus Roy E. Buck, James A. West 1985-4-29 527 San Mateo Cascade Ranch Comment
  JROH3111  Plantago erecta John H. Thomas 1974-4-4 17084 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3123  Plantago erecta John Hunter Thomas 1986-5-1 23994 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  OBI11658  Plantago erecta Lewis S. Rose 1965-5-3 65056 San Mateo San Bruno Mtn, North end 183 Comment
  POM283961  Plantago erecta Lyman Benson 1931-3-10 2650 San Mateo Redwood City. Santa Cruz mtn range, Emerald Lake. 152 Comment
  POM61248  Plantago lanceolata Copeland 1903-6-5 3325 San Mateo Montara Point. Comment
  UC2049867  Plantago lanceolata H. W. Johansen 1955-4-23 81 San Mateo Crystal Springs Road, 2 miles W of San Mateo Comment
  UCSC007768  Plantago lanceolata Becky Hendricks, Chris Lay 2012-6-22 s.n. San Mateo Ano Nuevo State Park Comment
  JROH3131  Plantago major James McMurphy 1906-8-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Comment
  CAS-BOT-BC164028  Plantago major Peter Rubtzoff 1975-10-11 8424 San Mateo San Bruno Mountain. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction, NW of Fog Forest Comment
  UCD124622  Plantago maritima G. Thomas Robbins 1953-8-29 3617 San Mateo Just south of the Olympic Golf Club and the San Francisco City and County line. Comment
  CAS-BOT-BC92023  Platystemon californicus Ynez Whilton Winblad 1941-4-13 s.n. San Mateo 1 mile north of Crystal Springs Reservoir. Comment
  CAS-BOT-BC92025  Platystemon californicus W. R. Ernst 1957-4-2 103 San Mateo Near junction to Burlingame on Skyline Boulevard (Highway 5). Roadside near houses. Comment
  POM149360  Platystemon californicus var. californicus A. D. E. Elmer 1903-06 4853 San Mateo Crystal Springs Lake. Comment
  UC912455  Plectritis brachystemon Herbert L. Mason 1927-4-23 3689 San Mateo between La Honda and Pescadero Creek Comment
  POM284728  Plectritis macrocera subsp. macrocera Arthur L. Cohen 1935-4-21 635 San Mateo Jasper Ridge, Stanford University. Santa Cruz Mtn Range, San Francisco Bay Watershed. 152 Comment
  CAS-BOT-BC260961  Pleuropogon californicus var. californicus J. I. McMurphy 1906-5-8 s.n. San Mateo Road near head of Crystal Springs Lakes by road from Woodside to Byrnes Store Comment
  CAS-BOT-BC260963  Pleuropogon californicus var. californicus A. D. E. Elmer 1903-6-1 4848 San Mateo Milbrae Comment
  POM296628  Poa Lyman Benson 1935-5-5 6536 San Mateo Lake Searsville; Santa Cruz Mt. Range. S. F. Bay watershed 152 Comment
  UC1537245  Poa annua Gordon H. True Jr. 1937-3-31 619 San Mateo Salada Beach Rd 60 Comment
  CAS-BOT-BC261644  Poa infirma Peter Rubtzoff 1988-5-3 9912 San Mateo San Bruno Mountain, Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road Junction, near old Guadalupe Road in the northwest part of the Saddle area, east of Saddle Trail Junction. Comment
  RSA135745  Poa kelloggii Roxana S. Ferris 1920-4-26 1963 San Mateo Near mouth of Canon of Pescadero Creek 244 Comment
  JROH5416  Poa pratensis subsp. pratensis John Hunter Thomas 1977-6-16 18801 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET3130238  Poa secunda L. R. Abrams 1902-5-4 2408 San Mateo Woodside Comment
  CAS-BOT-BC243116  Poa secunda subsp. secunda John H. Thomas 1971-5-2 15839 San Mateo Near the intersection of Canada and Edgewood roads, about 3 miles W from Redwood City 152 Comment
  CAS-BOT-BC243120  Poa secunda subsp. secunda W. R. Dudley 1900-3-16 s.n. San Mateo By Redwood stage road Comment
  CAS-BOT-BC243122  Poa secunda subsp. secunda Abrams 1901-3-1 1016 San Mateo Menlo Park Reservoir Comment
  CAS-BOT-BC243126  Poa secunda subsp. secunda H. A. Dutton 1900-3-11 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  CAS-BOT-BC539283  Poa secunda subsp. secunda John Rawlings; Ken Hickman 2015-6-8 1575 San Mateo Caltrans right-of-way above Hwy 92 E of Hwy 280, downslope from San Francisco Watershed fenceline 118 Comment
  JROH5710  Poa secunda subsp. secunda John Rawlings 2015-3-15 1352 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 5 124 Comment
  UCD164387  Poa trivialis Peter Rubtzoff 1977-6-7 9030 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC244255  Poa unilateralis Javier Penalosa 1963-3-30 2755 San Mateo San Bruno Mountain. Crest of ridge SW of Brisbane, NW of power lines 304 Comment
  JEPS85226  Pogogyne serpylloides Roy E. Buck and James A. West 1985-6-3 532 San Mateo Cascade Ranch. On old ranch road S of Whitehouse Canyon Rd. Just E of minor gulch draining SSE into small lake ca. 2.1 air km NE of Whitehouse Canyon Rd. CA Hwy. 1 junction 3.2 air km ENE of Franklin Point. 97 Comment
  SD73212  Pogogyne serpylloides Darley F. Howe 1969-6-10 4642 San Mateo 18.5 miles north of San Mateo-Santa Cruz county line on Highway 1. Comment
  UC23975  Polemonium carneum C. T. Blake 1893-5-27 San Mateo Pilarcitos Reservoir Comment
  UC1481762  Polygonum C. C. Hall 1922-5-17 108 -7 San Mateo Montara Comment
  CAS-BOT-BC413757  Polygonum argyrocoleon John Thomas Howell 1953-6-3 29057 San Mateo Bayshore Highway, Redwood City Comment
  CAS-BOT-BC413945  Polygonum aviculare subsp. aviculare E. M. Zeile 1921-7-31 s.n. San Mateo Salada Comment
  JEPS81638  Polygonum aviculare subsp. aviculare J. C. Hickman 1981-7-21 1004 San Mateo Ano Nuevo Reserve; near center 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
  JROH3262  Polygonum aviculare subsp. depressum John Hunter Thomas 1980-11-27 20187 San Mateo Jasper Ridge Biological Preserve, Stanford University. Delta. Comment
  CAS-BOT-BC6613  Polygonum coccineum f. terrestre Charles Fuller Baker 1902-10-20 1835 San Mateo Searsville Comment
  CAS-BOT-BC109241  Polygonum paronychia Carl B. Wolf 1929-5-25 3726 San Mateo Pebble Beach south of Pescadero. Comment
  UC150374  Polypodium C. F. Baker 1902-1-15 235 San Mateo w side King's Mt. Comment
  CAS-BOT-BC76904  Polypodium californicum Roxana S. Ferris 1921-4-7 2133 San Mateo Santa Cruz Mountain Peninsula - San Bruno Mt. 213 Comment
  CAS-BOT-BC76947  Polypodium californicum Ned Cahill 1974-5-13 249 San Mateo Chaparral near the intersection of Canada and Edgewood Roads, about 3 mi westward from Redwood City. Comment
  CAS-BOT-BC76902  Polypodium californicum George Oberlander 1951-3-11 1157 San Mateo San Francisco Watershed Reserve - Pilarcitos Canyon Comment
  JROH79  Polypodium californicum John H. Thomas 1972-4-1 16045 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  CAS-BOT-BC76805  Polypodium glycyrrhiza W. R. Dudley 1898-3-5 s.n. San Mateo Santa Cruz Peninsula - King's Mountain Comment
  UCD150642  Polypodium scouleri Collector unknown 1974-5-30 28 San Mateo San Bruno Mtn. Radio Rd., before first radio station, and west of Radio Rd. below first radio station. On roadcut. 365 Comment
  JEPS48462  Polypogon australis James G. Daly 1934-1 444 San Mateo sw La Honda (n-facing slopes in lower San Gregorio Canyon); lower San Gregorio Canyon Comment
  JROH5436  Polypogon interruptus W. Lennihan 1989-6-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. San Francisquito creek -- above low-flow causeway on left, under trees in rocks. 81 Comment
  CAS-BOT-BC237354  Polypogon monspeliensis C. F. Leithold 1894-8-13 s.n. San Mateo Santa Cruz Mountain Peninsula. Devil's Canyon Comment
  JROH5443  Polypogon monspeliensis John H. Thomas 1973-6-15 16836 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM313142  Polypogon monspeliensis H. L. Mason, Verne Grant 1946-8-28 13094 San Mateo On highway 5, about 3 miles south of Daly City Road. Comment
  SEINET10593693  Polypogon monspeliensis Gordon H. True 1937-7-23 True 808 San Mateo North of Salada Beach. 30 Comment
  CAS-BOT-BC237587  Polypogon viridis George Oberlander 1949-7-10 243 San Mateo San Francisco Watershed Reserve. Upper Crystal Spring Lake Comment
  RSA100973  Polypogon viridis G. Oberlander 1949-7-10 243 San Mateo Marsh, Upper Crystal Springs Lake, San Francisco. Watershed Reserve Comment
  SBBG51403  Polystichum dudleyi J. Doty 1969-3-27 609 San Mateo N side of St Hwy 84, ca. 50' W of Bridge No 35-165, ca. 6 mi E of St Hwy 1 Comment
  CAS-BOT-BC384614  Polystichum munitum M. K. Wicksten 1991-7-8 s.n. San Mateo Huddart PRK Comment
  RSA0016814  Polystichum munitum B. J. Hoshizaki 1991-10-4 91 -4 [B] San Mateo Along road between Yerba Buena Nursery and Langly Hill Quarry. Woodside Ranch, 19500 Skyline Blvd., Redwood City. Comment
  JROH5510  Potamogeton crispus Alan Grundman 1976-5-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake Comment
  UC652560  Potamogeton gramineus Ira L. Wiggins and Roxana S. Ferris 1939-8-2 9292 San Mateo Ano Nuevo Point Comment
  UC813943  Potamogeton nodosus Ira L. Wiggins and Roxana S. Ferris 1939-8-2 9292 San Mateo Ano Nuevo Point Comment
  CAS-BOT-BC453836  Potamogeton nodosus Ira L. Wiggins; Roxana S. Ferris 1939-8-2 9292 San Mateo Ano [Ano] Nuevo Point Comment
  POM193749  Potamogeton nodosus H. L. Mason 1921-5-28 s.n. San Mateo Unspecified. Comment
  UC430  Potamogeton pectinatus J. Burtt Davy Jun 21 1893-Jun 23 1893 1131 San Mateo Pilarcitos Lake and Canyon Pilarcitos Lake Comment
  CAS-BOT-BC453998  Potamogeton pectinatus George Oberlander 1950-7-15 1074 San Mateo San Francisco Watershed Reserve. San Andreas Lake Comment
  CAS-BOT-BC454002  Potamogeton pectinatus W. R. Dudley 1909-10-4 s.n. San Mateo Santa Cruz Mountain Peninsula. E. twin-pond near Mussel Rock. Comment
  CAS-BOT-BC454010  Potamogeton pectinatus Ira L. Wiggins 1935-6-29 8051 San Mateo Pescadero Creek, about 1 mile west of Pescadero Comment
  UC204845  Potamogeton pusillus var. pusillus W. R. Dudley July 1893 San Mateo Searsville Pond Comment
  CAS-BOT-BC143305  Potentilla hickmanii Mrs. E. C. Sutliffe 1933-5-6 s.n. San Mateo Above Moss Beach Comment
  JROH3378  Primula clevelandii var. patula John H. Thomas 1977-2-27 18472 San Mateo Jasper Ridge Biological Preserve, Stanford University. Westridge end of Jasper Ridge Comment
  CAS-BOT-BC516355  Prosartes hookeri W. R. Dudley 1894-4-21 s.n. San Mateo Bank by upper road near Crystal Springs Lake, Santa Cruz Peninsula Comment
  CAS-BOT-BC517395  Prosartes smithii H. L. Mason 1917-4-1 s.n. San Mateo Kings Mountain Comment
  CAS-BOT-BC158175  Prunus emarginata L. R. Abrams 1916-4-22 5575 San Mateo Pilarcitos [Canon] Canyon Comment
  POM139640  Prunus emarginata A. D. E. Elmer 1903-05 4523 San Mateo Searsville Lake Comment
  UC136492  Prunus emarginata C. F. Baker 1902-5-1 691 San Mateo Crystal Springs Lake Comment
  JROH3748  Prunus ilicifolia subsp. ilicifolia John Hunter Thomas 1981-7-24 20729 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC156355  Prunus virginiana var. demissa Phillip C. Wheeler 1965-5-18 s.n. San Mateo Mouth of Colma Canyon, north facing slope Comment
  JROH3750  Prunus virginiana var. demissa Toni Corelli 2006-8-9 319 San Mateo Jasper Ridge Biological Preserve, Stanford University; down slope along fire Road E, above deep inlet 109 Comment
  SD37658  Prunus virginiana var. demissa Edith A. Purer 1933-5-6 3628 San Mateo Alpine Road Comment
  JROH756  Pseudognaphalium californicum John H. Thomas 1962-7-15 9926 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below dam Comment
  CAS-BOT-BC356864  Pseudognaphalium californicum Philip C. Wheeler 1965-5-8 s.n. San Mateo San Bruno Mountain. Sierra Point Comment
  JROH775  Pseudognaphalium luteoalbum John H. Thomas 1970-7-5 15657 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD30773  Pseudognaphalium luteoalbum Edith A. Purer 1933-8-13 5427 San Mateo Belmont, along roadside Comment
  CAS-BOT-BC357117  Pseudognaphalium luteoalbum John H. Thomas 1976-5-2 12804 San Mateo San Bruno Mountain. About 1/4 mile up Market St. from new school in canyon Comment
  SBBG45073  Pseudognaphalium luteoalbum L. S. Rose 1936-2-12 San Mateo Burlingame 91 Comment
  UC917227  Pseudognaphalium stramineum J. D. Skoss 1948-7-25 44 San Mateo Montara Comment
  HSC24038  Pseudognaphalium thermale Mary Katherine Wicksten 1971-6-17 55 San Mateo Huddart Park on Chickadee Trail Comment
  RSA107418  Pseudotsuga menziesii L. S. Rose 1955-9-19 55178 San Mateo Skyline Boulevard, 7 miles west of Saratoga. 686 Comment
  JROH124  Pseudotsuga menziesii var. menziesii John H. Thomas 1970-1-1 15492 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH128  Pseudotsuga menziesii var. menziesii John Hunter Thomas 1983-4-28 21776 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  NY63873  Pseudotsuga menziesii var. menziesii L. S. Rose 1955-9-19 55178 San Mateo Skyline Boulevard, 7 miles west of Saratoga 685.8 Comment
  UCSC007773  Pseudotsuga menziesii var. menziesii Becky Hendricks, Chris Lay 2012-6-22 s.n. San Mateo Ano Nuevo State Park Comment
  SBBG28043  Psilocarphus tenellus L. S. Rose 1933-5-3 33140 San Mateo Montara Comment
  JROH1183  Psilocarphus tenellus D. E. Breedlove 1971-5-5 19326 San Mateo Jasper Ridge Biological Preserve, Stanford University; on bluff above San Francisquito Creek, 500 yards below Searsville Dam Comment
  CAS-BOT-BC72656  Pteridium aquilinum Elizabeth McClintock 1965-3-28 s.n. San Mateo North Power Line Ridge 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
  UC474203  Pteridium aquilinum var. pubescens H. F. Copeland 1920-5-18 174 San Mateo King's Mt Comment
  SJSU2275  Pterostegia drymarioides C. W. Sharsmith 1947-4-13 6756 San Mateo Pescadero Beach near Pescadero Point Comment
  CAS-BOT-BC421318  Pterostegia drymarioides Art Menzies; Barbara Menzies 1965-3-14 s.n. San Mateo San Bruno Mountain. South Power Line Ridge Comment
  UCSC003366  Puccinellia Randall Morgan 2001-5-20 3735 San Mateo San Gregorio State Beach, San Mateo County Comment
  CAS-BOT-BC460837  Pyrola aphylla A. D. E. Elmer 1903-6-1 4297 San Mateo Pescadero Comment
  RSA0082792  Pyrola aphylla A. D. E. Elmer 1903-06 4297 San Mateo Pescadero. Comment
  CAS-BOT-BC308932  Pyrrocoma E. A. McGregor 1906-9-29 s.n. San Mateo Cooley Landing Comment
  JROH2539  Quercus X chasei Carol Zabel 2001-9-1 44 San Mateo Jasper Ridge Biological Preserve, Stanford University; lower Trail 5 going down below switchback, first oak past valley oak with exposed roots, creek side of trail Comment
  JROH2537  Quercus X jolonensis Lucile Roush 1917-10-9 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2534  Quercus X morehus W. K. Fisher 1898-3-19 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
Read comments
Oct 31 2016
  CAS-BOT-BC104410  Quercus X subconvexa Lewis S. Rose 1964-9-5 64069 San Mateo Emerald Lake, W of Redwood City 243 Comment
  CAS-BOT-BC61710  Quercus agrifolia Ned Cahill 1974-5-13 258 San Mateo near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC61712  Quercus agrifolia Ned Cahill 1974-4-30 237 San Mateo near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  SJSU16069  Quercus agrifolia Allen W. Jacobs 1936-12-8 32 San Mateo Found in Jasper Ridge. Comment
  UCD45030  Quercus agrifolia J. M. Tucker 1946-3-2 1373 San Mateo Tree on a hillside, associated with Q. wislizenii; about 4 miles east of Pescadero, San Mateo County, California. Comment
  CAS-BOT-BC62303  Quercus chrysolepis Walter Knight; Irja Knight; Elizabeth McClintock 1963-9-2 s.n. San Mateo Crocker Hills Comment
  CAS-BOT-BC62306  Quercus chrysolepis William R. Dudley 1893-1-1 s.n. San Mateo Near Searsville (Bear G. Road) [Bear Gulch Road - San Mateo Co.?] Comment
  CAS-BOT-BC85952  Quercus douglasii Ned Cahill 1974-5-30 327 San Mateo near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwwod City. Comment
  SEINET12034352  Quercus durata Unknown 1930-1 7294 San Mateo ridges near Searsville Lake Common Chaparral Comment
  JROH2478  Quercus durata var. durata W. R. Dudley 1901-1-28 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2481  Quercus durata var. durata John H. Thomas 1968-5-22 14458 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2514  Quercus kelloggii John Hunter Thomas 1989-5-11 24734 San Mateo Jasper Ridge Biological Preserve, Stanford University; to the west of dam along road Comment
  POM270254  Quercus kelloggii Lyman Benson 1930-5-3 21100 San Mateo Above Woodside, Mt. Range: Santa Cruz 366 Comment
  SEINET262925  Quercus kelloggii R. A. Kocher 1908-3-28 e 7 San Mateo Santa Cruz Mountain Peninsula road to Kings Mountain from Woodside 366 Comment
  UCD46676  Quercus kelloggii Ira L. Wiggins 1946-5-2 s.n. San Mateo La Honda road, above Searsville Reservoir, San Mateo County, California. 457 Comment
  SEINET12034577  Quercus kelloggii Unknown 1832-1 8931 San Mateo La Honda Road to Sky Line Drive Comment
  JROH2519  Quercus lobata John H. Thomas 1971-8-5 16011 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA101043  Quercus lobata G. Oberlander 1949-7-30 346 San Mateo Southern boundary, San Francisco Watershed Reserve. Comment
  UCD47154  Quercus parvula var. shrevei John M. Tucker 1994-9-9 s.n. San Mateo Huddart Park on NE facing slope nr. Miwok Shelter. 365 Comment
  CAS-BOT-BC362548  Rafinesquia californica Philip C. Wheeler 1965-5-11 s.n. San Mateo San Bruno Mountain. Pig Ranch Ravine Comment
  CAS-BOT-BC379081  Ranunculus aquatilis var. diffusus Roxana Ferris 1918-3-31 756 San Mateo at edge of Helvetio (Mud) Lake; Coal Mine Ridge Comment
  SEINET3816595 Image available Ranunculus bloomeri Lewis S. Rose 1934-3-11 34051 San Mateo Visitacion Valley. Comment
  UC135552  Ranunculus californicus C. F. Baker 1902-4-12 504 San Mateo San Gregorio; hills along coast Comment
  UC9411  Ranunculus californicus J. Burtt Davy 1895-4-20 1014 San Mateo Millbrae Comment
  JROH3470  Ranunculus californicus John H. Thomas 1968-3-31 14258 San Mateo Jasper Ridge Biological Preserve, Stanford University. Meadow near crest of NE facing slope above Webb Ranch Comment
  UC750526  Ranunculus californicus Lewis S. Rose 1947-4-14 47094 San Mateo Skyline Blvd. e Sharps Park 152 Comment
  JROH3494  Ranunculus hebecarpus John Rawlings 2013-4-9 1158 San Mateo Jasper Ridge Biological Preserve, Stanford University; verge of Trail 11 through chaparral 144 Comment
  UC575705  Ranunculus hebecarpus Lewis S. Rose 1935-5-1 35136 San Mateo Redwood City Comment
  POM148961  Ranunculus lobbii A. D. E. Elmer 1903-04 s.n. San Mateo Alpine School House. Comment
  RSA119758  Ranunculus lobbii James I. McMurphy 1904-1 s.n. San Mateo Coal Mine Road Comment
  JROH3497  Ranunculus muricatus John Hunter Thomas 1983-5-23 22238 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near shack side and low-flow crossing Comment
  JROH3499  Ranunculus muricatus John Hunter Thomas 1985-4-10 23513 San Mateo Jasper Ridge Biological Preserve, Stanford University. Grassy areas, east of low flow crossing. Comment
  POM282733  Ranunculus orthorhynchus var. bloomeri L. S. Rose 1934-3-11 35051 San Mateo Wet fields, Visitacion Valley Comment
  CDA3486  Ranunculus trilobus P. Greer 2002-4-17 s.n. San Mateo Highway 101, in Half Moon Bay. 0 Comment
  JROH1576  Raphanus sativus John H. Thomas 1969-6-4 15106 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  OBI27163  Raphanus sativus Laura Wells 1970-2-1 8 San Mateo Half Moon Bay about 14 mi W of San Mateo Comment
  UCD115167  Raphanus sativus L. Angst 1917-4-21 14 San Mateo south of San Francisco. Comment
  JROH3560  Rhamnus crocea John H. Thomas 1963-3-20 10029 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Westridge end of ridge Comment
  CAS-BOT-BC55889  Rhamnus crocea R. Hoffough 1929-5-8 793 San Mateo Los Altos Hills Comment
  RSA7859  Rhamnus tomentella subsp. tomentella Carl B. Wolf 1928-2-11 1473 San Mateo 1/2 way up Kings Mt Comment
  RSA121957  Rhododendron macrophyllum N. K. Carlson 1935-7-2 112 San Mateo 5 miles south of Bellvale. 305 Comment
  UC1121088  Rhododendron macrophyllum N. K. Carlson 1935-7-2 112 San Mateo 5 mi s of Bellvale 304 Comment
  CAS-BOT-BC56669  Rhododendron occidentale W. R. Dudley 1908-9-21 s.n. San Mateo Pescadero Cr. (Iversons') Comment
  CAS-BOT-BC437978  Ribes Eric Walther 1920-5-30 s.n. San Mateo Woodside Comment
  CAS-BOT-BC92488  Ribes aureum var. gracillimum James McMurphy 1906-4-4 s.n. San Mateo Creek above Judge Allen's, Santa Cruz Mountains. Comment
  CAS-BOT-BC92490  Ribes aureum var. gracillimum A. D. E. Elmer 1903-5-1 4514 San Mateo Portola. Comment
  CAS-BOT-BC92492  Ribes aureum var. gracillimum Margaret A. Barry 1938-4-21 241 San Mateo By Los Trancos Creek near Coal Mine Ridge. Comment
  JEPS49330  Ribes californicum W. L. Jepson 1922-3-19 9540 San Mateo Lake San Andreas Comment
  POM202466  Ribes californicum L. S. Rose 1933-6-9 33226 San Mateo Belmont Comment
  RSA176616  Ribes californicum John H. Thomas 1964-4-7 10302 San Mateo Near edge of Searsville Lake. Jasper Ridge Biological experiment area, about 5 miles SW of Palo Alto. Coordinates are approximate. Comment
  SBBG27519  Ribes californicum L. S. Rose 1933-6-9 33226 San Mateo Belmont Comment
  UC204126  Ribes californicum A. D. E. Elmer March 1903 4683 San Mateo Portola Comment
  CAS-BOT-BC93013  Ribes californicum var. californicum George Oberlander 1950-3-18 527 San Mateo San Francisco Watershed Reserve. Pilarcitos Canyon. Comment
  JROH2644  Ribes californicum var. californicum John Hunter Thomas 1981-2-14 20217 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  UC1736497  Ribes divaricatum var. pubiflorum Dean W. Taylor 1989-4-18 10219 San Mateo Montara Mountain; ridgetop between Ox Hill and Scarper Peak 472 Comment
  CAS-BOT-BC173468  Ribes malvaceum Paul F. Covel 1936-4-24 281 San Mateo Skyline Blvd. Comment
  UCSB17066  Ribes malvaceum var. malvaceum Schulte, John 1963-4-14 San Mateo 3 miles southwest of Stanford Campus; between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  CAS-BOT-BC212819  Ribes menziesii L. R. Abrams 1916-4-22 5580 San Mateo Pilarcitos Canyon, near the little upper lake Comment
  CAS-BOT-BC212831  Ribes menziesii George Oberlander 1950-4-23 822 San Mateo Pilarcitos Canyon Comment
  CAS-BOT-BC212833  Ribes menziesii W. R. Dudley 1893-3-23 s.n. San Mateo Canada Cr. near Searsville Comment
  CAS-BOT-BC144604  Ribes sanguineum var. glutinosum J. H. Thomas 1949-3-31 204 San Mateo King's Mountain Comment
  JROH2689  Ribes sanguineum var. glutinosum John Hunter Thomas 1992-4-7 25131 San Mateo Jasper Ridge Biological Preserve, Stanford University. Causeway. Comment
  UCR70842  Ribes sanguineum var. glutinosum L. S. Rose 1947-3-11 47027 San Mateo Kings Mountain 610 Comment
  CAS-BOT-BC144644  Ribes sanguineum var. glutinosum Reed C. Rollins 1941-3-16 2945 San Mateo dry ravine, west slope of the Santa Cruz Mts., about 35 miles south of San Francisco Comment
  SEINET12220348  Ribes sanguineum var. glutinosum Unknown 1932-1 8919 San Mateo La Honda Road to Sky Line Drive Comment
  SJSU15949  Rigiopappus leptocladus John Rawlings, Ken Hickman 2016-5-26 1827 San Mateo Serpentine seep area up-slope from the Hwy 92 west onramp to Hwy 280 north; about 25 yards down-slope from the San Francisco Watershed boundary fence 122 Comment
  UC75100  Rigiopappus leptocladus C. F. Baker 1902-5-4 754 San Mateo Woodside Comment
  UC881303  Romanzoffia californica L. R. Abrams 1916-4-22 5582 San Mateo at the little upper lake Pilarcitos Canyon; Santa Cruz Mt.Peninsula, Pilarcitos Canyon Comment
  CAS-BOT-BC74649  Rorippa curvisiliqua W. R. Dudley 1906-6-10 s.n. San Mateo Santa Cruz Mountain Peninsula. South Cahil Ridge. Comment
  SD37966  Rorippa curvisiliqua var. curvisiliqua Jane T. Turner 1933-5-15 3671 San Mateo Mud Lake Comment
  CAS-BOT-BC147619  Rosa californica C. B. Wolf 1931-8-20 2327 San Mateo Los Trancos Creek, 2 miles back of Stanford University, near Schenkel's Camp 91 Comment
  CAS-BOT-BC147631  Rosa californica C. B. Wolf 1931-8-20 2327 San Mateo Los Trancos Creek, 2 miles back of Stanford University, near Schenkel's Camp 91 Comment
  CAS-BOT-BC147633  Rosa californica Eric Walther 1919-8-1 s.n. San Mateo Woodside Comment
  POM223624  Rosa californica S. S. Berry 1909-2-27 s.n. San Mateo Roadside near Adalanta Villa. 46 Comment
  CAS-BOT-BC146691  Rosa gymnocarpa Walter Knight; Irja Knight 1964-5-30 601 San Mateo Colma Canyon Comment
  CAS-BOT-BC146698  Rosa gymnocarpa W. R. Dudley 1906-5-8 65 San Mateo Near Crystal Springs Lake, Santa Cruz Mts. 91 Comment
  RSA159405  Rosa gymnocarpa John H. Thomas 1961-5-14 9367 San Mateo Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. San Francisco Watershed Reserve. 152 Comment
  CAS-BOT-BC146704  Rosa gymnocarpa Elizabeth McClintock 1965-3-28 s.n. San Mateo Romanzoffia Ravine Comment
  CAS-BOT-BC156575  Rubus John Thomas Howell 1938-6-4 13891 San Mateo Burlingame Comment
  CAS-BOT-BC152872  Rubus parviflorus W. S. Atkinson 1901-7-1 s.n. San Mateo Pescadero Cr., Santa Cruz Peninsula Comment
  JROH3776  Rubus parviflorus John Hunter Thomas 1985-5-22 23683 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC156767  Rubus spectabilis Walter Knight; Irja Knight 1964-4-25 692 San Mateo San Bruno Mountain Comment
  SJSU10411  Rubus spectabilis R. B. Blake 1966-4-10 San Mateo Gazos Cr, Big Basin State Park Comment
Read comments
Dec 7 2010
  CAS-BOT-BC157070  Rubus ursinus Alice Eastwood; John Thomas Howell 1938-6-26 6055 San Mateo Near Pescadero Comment
  CAS-BOT-BC157072  Rubus ursinus L. R. Abrams 1914-10-14 5129 San Mateo [Tunitos Canon] Tunitas Canyon Comment
  CAS-BOT-BC157076  Rubus ursinus L. R. Abrams 1914-10-14 5130 San Mateo At Tunitas Comment
  CAS-BOT-BC157109  Rubus ursinus John Thomas Howell 1938-6-4 13887 San Mateo Burlingame Comment
  CAS-BOT-BC389668  Rubus ursinus M. Wicksten 1968-6-20 s.n. San Mateo Memorial Park Comment
  CDA33681  Rubus ursinus D. G. Kelch, D. A. Weinstein 2011-3-13 11 .055-B San Mateo Near Half Moon Bay along Capistrano Creek. Comment
  POM139627  Rubus vitifolius A. D. E. Elmer 1903-06 4664 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC422080  Rumex acetosella John H. Thomas 1958-3-19 7064 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco. 91 Comment
  RSA264999  Rumex acetosella I. L. Wiggins 1928-3-25 2945 San Mateo Moss Beach Comment
  UCR12025  Rumex acetosella Coleta A. Lawler 1964-4-19 55 San Mateo 4.5 miles east of Half Moon Bay; Pilarcitos Rd, 0.5 mi NE jct Half Moon Bay Rd. 76 Comment
  CAS-BOT-BC421818  Rumex conglomeratus John H. Thomas 1960-6-25 8792 San Mateo Redwood City. Along or near a small creek running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street. -7 Comment
  CAS-BOT-BC421821  Rumex conglomeratus Phillip C. Wheeler 1965-8-16 s.n. San Mateo San Bruno Mountain. April Brook. Comment
  CAS-BOT-BC421823  Rumex conglomeratus Carl B. Wolf 1929-4-26 3658 San Mateo Woodside Comment
  JROH3298  Rumex conglomeratus John H. Thomas 1974-6-27 17452 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near the low flow crossing below Searsville Dam. Comment
  CAS-BOT-BC433356  Rumex crispus A. D. E. Elmer 1903-6-1 4266 San Mateo San Mateo Comment
  CAS-BOT-BC433360  Rumex crispus David D. Keck 1932-5-6 1459 San Mateo Belmont Comment
  CAS-BOT-BC433362  Rumex crispus George Oberlander 1949-7-30 328 San Mateo San Francisco Watershed Reserve. Cahill Ridge Comment
  CAS-BOT-BC433366  Rumex crispus Margaret Barry 1938-5-14 257 San Mateo Near Mud Lakes, Coal Mine Ridge Comment
  CAS-BOT-BC433827  Rumex pulcher Margaret A. Barry 1938-6-22 s.n. San Mateo Slope on Coal Mine Ridge Comment
  CAS-BOT-BC433830  Rumex pulcher Javier Penalosa 1963-3-30 2728 San Mateo San Bruno Mountain. North of Randolph Drive at Hillside Blvd. in SSF. 91 Comment
  CAS-BOT-BC434000  Rumex salicifolius David D. Keck 1932-5-6 1457 San Mateo Belmont Comment
  RSA788844  Rumex salicifolius var. denticulatus Peter Rubtzoff 1980-8-4 9564 San Mateo Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  UC1191281  Rumex salicifolius var. transitorius Herbert L. Mason and Verne Grant 1946-8-28 13080 San Mateo n of San Francisco county prison Comment
  POM16737  Rupertia physodes A. D. E. Elmer 1903-06 4270 San Mateo Crystal Springs Lake. Comment
  RSA112462  Rupertia physodes Ynez Henderson 1920-05 s.n. San Mateo Near Searsville Lake. Comment
  JROH2222  Rupertia physodes John Hunter Thomas 1981-5-14 20571 San Mateo Jasper Ridge Biological Preserve, Stanford University; old shack riders shack Comment
  UCD23435  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
  UC583143  Ruppia maritima Lewis S. Rose 1936-9-6 36724 San Mateo Granada 1 Comment
  CDA38605  Rytidosperma caespitosum Eric Wrubel, Joe Woods 2011-7-5 NPS 19 San Mateo Pacifica. Golden Gate National Recreation Area, Sweeney Ridge Trail, 1/2 mile south of Vista College. 0 Comment
  UC1191410  Salicornia europaea S. Galen Smith 1951-6-28 1917 San Mateo ca 1 mi n San Mateo (along the Bayshore Highway 101) Comment
  RSA312360  Salicornia maritima H. L. Mason, Malcolm Nobs 1948-12-11 713 San Mateo Hwy 101 near shore of bay, at Whipple Avenue intersection, Redwood City. Comment
  SEINET4174272  Salicornia virginica G. E. Sindel 1935-7-25 303 San Mateo Mouth of Pescadero Creek Comment
  RSA185023  Salix exigua L. S. Rose 1965-3-8 65003 San Mateo Searsville Lake. 122 Comment
  HSC19942  Salix exigua var. hindsiana L. S. Rose 1965-3-8 65003 San Mateo Searsville Lake 122 Comment
  JROH3856  Salix laevigata W. R. Dudley 1894-7-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Near bridge at Ramsay's above Searsville Comment
  HSC19979  Salix lasiandra L. S. Rose 1965-3-16 65007 San Mateo Searsville Lake 122 Comment
  JROH3870  Salix lasiandra var. lasiandra John H. Thomas 1968-5-17 14177 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3861  Salix lasiolepis L. R. Abrams 1904-3-7 67 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake 121 Comment
  POM167483  Salix lasiolepis A. D. E. Elmer 1903-03 4875 San Mateo Searsville Lake. Comment
  UC1618082  Salix lasiolepis Donald G. Nelson 1939-6-14 621 San Mateo 3 mi. s of San Francisco Co, line (Skyline Blvd. due e. of Mussel Rock on coast, large permanent Sag Pond) Comment
  UC481897  Salix lasiolepis C. R. Ball and G. W. Hendry 1931-2-22 15 San Mateo in arroyo near San Gregorio Creek (100 m from ocean); San Gregorio Comment
  UCR279849  Salix lasiolepis Peter Rubtzoff 1976-3-14 8446 San Mateo San Francisco Bay Region, San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction; upper part of East Fork Colma Creek Canyon 220 Comment
  CAS-BOT-BC107248  Salix lasiolepis var. bigelovii Peter Rubtzoff 1987-11-27 9888 San Mateo San Bruno Mountains, Saddle area on north side of Guadelupe Canyon, Parkway west of Radio Road junction; northwestern part of the area along old Guadelupe Road, Upper part of East Fork Colma Creek canyon. Comment
  CAS-BOT-BC108251  Salix lasiolepis var. bigelovii Peter Rubtzoff; Patricia Fallon 1987-8-26 9846 San Mateo San Bruno Mountains - Main part of Saddle area, at edge of marshy area. Comment
  CAS-BOT-BC108253  Salix lasiolepis var. bigelovii Alice Eastwood 1920-3-15 s.n. San Mateo San Bruno Hills Comment
  CAS-BOT-BC108261  Salix lasiolepis var. bigelovii C. R. Ball; G. W. Hendry 1931-2-22 15 San Mateo In arroyo near San Gregoio Creek, 100 m. from ocean. Near sea level. Comment
  CAS-BOT-BC124482  Salix lasiolepis var. lasiolepis Walter Knight; Irja Knight 1964-5-4 986 San Mateo Abandoned quarry south side of Colma Creek in Colma Canyon Comment
  RSA184900  Salix lucida subsp. lasiandra L. S. Rose 1965-3-16 65007 San Mateo Searsville Lake. 122 Comment
  CAS-BOT-BC129069  Salix scouleriana A. D. E. Elmer 1903-6-1 4864 San Mateo Iverson's Place on the Pescadero Comment
  CAS-BOT-BC126514  Salix sitchensis Lewis S. Rose 1964-3-14 64006 San Mateo Princeton 6 Comment
  UC75017  Salvia columbariae C. F. Baker 1902-4-6 546 San Mateo Crystal Springs Lake Comment
  UC1176935  Salvia spathacea Peter H. Raven 1950-4-16 1787 San Mateo Colma Canyon; San Bruno Mts. 121 Comment
  UC1219867  Salvia spathacea John H. Thomas 1961-5-7 9299 San Mateo San Bruno Mountain; n part of San Mateo County 304 Comment
  RSA320910  Salvia spathacea Robert A. Norris 1984-3-21 4658 San Mateo Blue Blossom Hill, San Bruno Mts. 366 Comment
  SJSU15329  Salvia spathacea A. Hicks 1979-11-23 41 San Mateo near creek above gully at Chestnut and Hillside Blvd., South- west facing slope of San Bruno Mts., South San Francisco. 182 Comment
  POM46725  Sambucus microbotrys A. D. E. Elmer 1903-05 4663 San Mateo Butano Creek Comment
  CAS-BOT-BC246021  Sambucus nigra subsp. caerulea Phillip C. Wheeler 1965-5-12 s.n. San Mateo Ravine at Sierra Point, San Bruno Mountain 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
  JEPS127879  Sambucus nigra subsp. caerulea Adam C. Schneider 2013-5-17 143 San Mateo Crystal Springs Reservoir Comment
  JROH1669  Sambucus nigra subsp. caerulea John H. Thomas 1963-6-23 10171 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1673  Sambucus nigra subsp. caerulea John Hunter Thomas 1981-5-5 20544 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC236459  Sambucus racemosa subsp. racemosa A. D. E. Elmer 1903-5-1 4663 San Mateo Butano Creek Comment
  CHSC9110  Sambucus racemosa var. racemosa M. Banning 1970-3-22 371 San Mateo 1/2 mi S of junction of Hwy 35 and 92, on the former. 76 Comment
  JEPS185  Sanicula arctopoides W. L. Jepson 1922-3-19 9535 San Mateo Lake San Andreas Comment
  SEINET13945102 Image available Sanicula arctopoides Lewis S. Rose 1965-1 65012 San Mateo San Bruno Mts, N end. Ca 400 ft 122 Comment
  JROH5547  Sanicula bipinnata John Rawlings 2013-4-15 1169 San Mateo Jasper Ridge Biological Preserve, Stanford University. Southeast side of creek and about 75 meters upstream of bridge on Trail 11. 136 Comment
  JROH322  Sanicula bipinnatifida John H. Thomas 1967-5-12 12885 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH324  Sanicula bipinnatifida John H. Thomas 1975-4-5 17708 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH328  Sanicula crassicaulis Ynez Henderson 1920-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lake Comment
  JROH331  Sanicula crassicaulis John H. Thomas 1967-5-12 12877 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH333  Sanicula crassicaulis John H. Thomas 1971-5-30 15978 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH340  Sanicula crassicaulis John H. Thomas 1975-6-5 17947 San Mateo Jasper Ridge Biological Preserve, Stanford University; below Searsville Dam Comment
  UCR124188  Sanicula crassicaulis George K. Helmkamp, E. A. Helmkamp 2001-6-2 6784 San Mateo San Francisco Bay Region, Purisima Creek Road, east of Half Moon Bay at Purisima Creek, 3.2 miles east of CA Hwy 1 244 Comment
  JEPS85243  Sanicula hoffmannii Roy E. Buck and James A. West 1985-6-3 533 San Mateo on upper ne-facing slope of large gulch draining nw to Whitehouse Creek (ca 2.5 air km ne of Whitehouse Canyon Rd-CA Hwy 1 jct., 3.7 km nne of Franklin Point); Cascade Ranch 182 Comment
  UC202777  Sanicula laciniata A. D. E. Elmer April, 1903 4498 San Mateo Portola; ; Portola, San Mateo Co. Comment
  POM142249  Saxifraga californica C. F. Baker 1902-4-6 465 San Mateo Crystal Springs Lake. Comment
  UCD137506  Scabiosa atropurpurea Collector Unknown 1925-6-15 s.n. San Mateo Pescadero, Santa Cruz Road. Comment
  RSA320754  Schedonorus arundinaceus Robert A. Norris 1984-5-9 4729 San Mateo By Olivet Memorial Park Throughway, Colma. Comment
  CAS-BOT-BC283615  Schedonorus pratensis Elizabeth McClintock; Paul Reeberg 1989-5-30 s.n. San Mateo San Bruno Mountains. In a seep above Lipman School 60 Comment
  JROH4417  Schoenoplectus acutus var. occidentalis John Hunter Thomas 1988-6-2 24502 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near old bridge. Comment
  SD37482  Schoenoplectus pungens var. badius Edith A. Purer 1933-7-27 5391 San Mateo Moist place in the sand dunes, 2 miles south of Pigeon Point. Comment
  UC75027  Scirpus cernuus Dr. E. B. Copeland 1903-6-15 3315 San Mateo Montara Point Comment
  CAS-BOT-BC111062  Scirpus microcarpus Walter Knight; Irja Knight 1964-5-30 s.n. San Mateo Colma Canyon Comment
  UC1100829  Scirpus microcarpus Malcolm A. Nobs, S. Galen Smith 1949-8-25 1559 San Mateo marshes at Sharp Park Comment
  CAS-BOT-BC111060  Scirpus microcarpus Phillip C. Wheeler 1965-5-18 s.n San Mateo April Brook toward the meadow Comment
  UC1100802  Scirpus pungens Herbert L. Mason 1949-7-7 14025 San Mateo mouth Gazos Creek (near ocean, s San Mateo Co.) Comment
  UC143720  Scirpus pungens Dr. E. B. Copeland 1903-6-15 3336 San Mateo Montara Point; along sea coast Comment
  JEPS62104  Scoliopus bigelovii Inez Smith March 1915 San Mateo Hillsboro Comment
  POM51487  Scoliopus bigelovii H. R. Ebright 1922-03 s.n. San Mateo Lake Pilarcitos. Comment
  CAS-BOT-BC519004  Scoliopus bigelovii George Oberlander 1949-4-17 87 San Mateo Pilarcitos Canyon Comment
  CAS-BOT-BC519014  Scoliopus bigelovii James McMurphy 1906-3-9 s. n. San Mateo Below Kings Mountain Comment
  RSA69519  Scoliopus bigelovii D. D. Keck 1932-2-12 1359 San Mateo La Honda Road, east slope of Coast Range above Searsville Lake 305 Comment
  SEINET12057692  Scoliopus bigelovii F. H. Utech, Sato, T.; Ohara, M. 1990-5-4 90 -223 San Mateo 0.5 mi from junction of Kings Mt Rd & CA 35, on the former, near Skyline Trail head 580 Comment
  CDA7622  Scolymus hispanicus T. C. Fuller 1965-7-8 13755 San Mateo D. McBryde property, 140 Eleanor Drive, Woodside. 0 Comment
  CDA7624  Scolymus hispanicus T. C. Fuller 1965-7-8 13755 San Mateo D. McBryde property, 140 Eleanor Drive, Woodside. 0 Comment
  JROH5784  Scribneria bolanderi John Rawlings 2016-5-3 1778 San Mateo Jasper Ridge Biological Preserve, Stanford University; bare, rocky, sepentinite about 30 yards west of Rd F in Area C 177 Comment
  UCR141418  Scrophularia californica 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
  SEINET12287674  Scrophularia californica Unknown 1933-1 104 San Mateo Mud Lake Comment
  JROH2886  Scutellaria tuberosa John Hunter Thomas 1978-4-22 19104 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC59051  Sedum spathulifolium Phillip C. Wheeler 1965-7-8 s.n. San Mateo Canyon adjacent to quarry, San Bruno Mountain Comment
  CAS-BOT-BC59054  Sedum spathulifolium John F. Emmel 1970-5-17 279 San Mateo Slope 1.2 air miles ESE of 1314 foot summit, on NE slipe of San Bruno Mts. 304 Comment
  CAS-BOT-BC363382  Senecio aronicoides John H. Thomas 1965-4-29 10610 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC363386  Senecio aronicoides Walter Knight; Irja Knight 1965-2-28 869 San Mateo Pacifica ca 300-400 yds E. of parking area Comment
  JROH1216  Senecio aronicoides D. D. Davis 1903-5-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville vicinity Comment
  RSA0012756  Senecio aronicoides C. F. Baker 1902-5-4 746 San Mateo Woodside. Comment
  CAS-BOT-BC365648  Senecio elegans John H. Thomas 1975-1-12 17673 San Mateo Thornton Beach State Park in NW part of county Comment
  CAS-BOT-BC364633  Senecio vulgaris Fred Hemphill 1973-4-8 625 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC80289  Sequoia sempervirens David D. Keck 1932-2-14 1368 San Mateo La Honda road, east slope of Coast Range above Searsville Lake 304 Comment
  CAS-BOT-BC85779  Sequoia sempervirens W. R. Dudley 1900-2-1 s.n. San Mateo Santa Cruz Mountain Peninsula, near King's Mt. house. Comment
  CDA28813  Sequoia sempervirens D. G. Kelch 2009-6-9 9 .406 San Mateo Santa Cruz Mts.; Chert outcrop and adjacent mixed evergreen forest along Skyline Blvd ~1 km W of Skegg s Point. Comment
Read comments
Sep 21 2011
  JROH133  Sequoia sempervirens W. R. Dudley 1901-1-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  NY804119  Sequoia sempervirens C. R. Broome 1978-7-2 2224 San Mateo Kings Mountain Road, 1.5 miles West of its junction with California Highway 84. Comment
  SEINET5334846  Sequoia sempervirens R. L. Oliver 1976-4-18 s.n. San Mateo La Honda. San Mateo Memorial Park. Redwood forest. Comment
  SEINET5334860  Sequoia sempervirens R. L. Oliver 1976-4-18 s.n. San Mateo La Honda. San Mateo Memorial Park. Comment
  JROH5462  Setaria viridis John Hunter Thomas 1981-9-24 20748 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5465  Setaria viridis John Rawlings 2011-7-28 1077 San Mateo Jasper Ridge Biological Preserve, Stanford University. San Francisquito Creek near Dennis Martin site. 71 Comment
  JROH3832  Sherardia arvensis John H. Thomas 1974-4-4 17077 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA6642  Sherardia arvensis Wm. Davis 1958-6-5 San Mateo San Bruno. 0 Comment
  SBBG83432  Sherardia arvensis B. Bowman 1961-3-30 30 San Mateo corner of Sebastian Drive and Lassuen Court; Burlingame 9 Comment
  SD39293  Sidalcea diploscypha Janet Turner 1933-5-30 3669 San Mateo Woodside. Comment
  POM61910  Sidalcea malviflora subsp. laciniata A. D. E. Elmer 1903-05 4687 San Mateo San Bruno Hills. 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
  RSA7439  Sidalcea malviflora subsp. malviflora J. T. Howell 1933-4-9 10974 San Mateo 2 miles N. of Pigeon Pt. Comment
  CHSC39826  Sidalcea malviflora subsp. purpurea Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
Read comments
Aug 5 2010
  CHSC22898  Sidalcea malviflora subsp. rostrata Robert A. Schlising 1963-2-23 2434 San Mateo California Coast Ranges. 21 miles north of Davenport, along highway 1. Comment
  UC8421  Silene californica J. Burtt Davy Jun 21 1893-Jun 23 1893 1158 San Mateo Pilarcitos Lake and Canyon Comment
  CAS-BOT-BC384433  Silene coronaria Alexander Locke 1963-5-19 32 San Mateo 714 Alameda de los Pulgas, Belmont Comment
  CAS-BOT-BC386853  Silene gallica John H. Thomas 1961-5-7 9309 San Mateo San Bruno Mountain in northern part of county 396 Comment
  POM286433  Silene gallica Lyman Benson 1930-4-6 2040 San Mateo Moss Beach. West slope. 15 Comment
  CAS-BOT-BC386851  Silene gallica Walter Knight; Irja Knight 1965-4-4 s.n. San Mateo San Bruno Mountain. Bitter Cherry Ravine. Comment
  CAS-BOT-BC386861  Silene gallica G. Edelbrock 1975-3-21 022 San Mateo On ridge ar end of crocker Street; San bruno Mountain 152 Comment
  CAS-BOT-BC389893  Silene scouleri subsp. scouleri John H. Thomas 1961-5-7 9289 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC389891  Silene scouleri subsp. scouleri Phillip C. Wheeler 1965-6-21 s.n. San Mateo San Bruno Mountain. Sierra Point Comment
  CAS-BOT-BC175278  Silene verecunda Elizabeth McClintock 1972-5-10 s.n. San Mateo East of Parking Lot summit of mountain. San Bruno Mountain Comment
  POM273726B  Sisymbrium officinale Lyman Benson 1935-5-5 6533 San Mateo Lake Searsville. Stanford University. Santa Cruz Mtn range. S.F. Bay watershed. 152 Comment
  JROH4439  Sisyrinchium bellum Donald A. Johansen 1933-5-18 708 San Mateo Jasper Ridge Biological Preserve, Stanford University. Hills above Searsville Lake Comment
  JROH4440  Sisyrinchium bellum John H. Thomas 1964-4-19 10322 San Mateo Jasper Ridge Biological Preserve, Stanford University. Oakwoodland near Searsville end of ridge Comment
  POM291007  Sisyrinchium bellum Lyman Benson 1931-3-15 2640 San Mateo Emerald Lake; Redwood City; Mt. Range: Santa Cruz 152 Comment
  RSA155568  Sisyrinchium bellum Lewis S. Rose 1961-4-5 61031 San Mateo San Bruno Mountains. 366 Comment
  RSA26886  Sisyrinchium bellum R. C. Rollins 1941-3-22 2948 San Mateo 1 mile north of Belmont Comment
  RSA647584  Sisyrinchium bellum J. Doty 1969-3-26 607 San Mateo San Gregorio Beach State Park. 15 Comment
Read comments
Jan 26 2017
  POM196491  Sisyrinchium californicum Roxana S. Ferris 1920-4-26 1973 San Mateo Near mouth of Arroyo de los Frijoles 30 Comment
  UC1084412  Smilacina racemosa G. Thomas Robbins 1937-4-11 110 San Mateo hillside above Redwood City Comment
  JROH4196  Solanum John Hunter Thomas 1980-11-12 20164 San Mateo Jasper Ridge Biological Preserve, Stanford University. On delta Comment
  SJSU7787  Solanum americanum C. A. Staicer 1976-9-25 San Mateo San Francisquito Cr near El Camino Real, Menlo Park Comment
  UCD165017  Solanum americanum Peter Rubtzoff 1974-12-17 7942 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  SEINET12274723  Solanum douglasii M. T. Doutt 1931-1 s.n. San Mateo Ano Nuevo Pt Comment
  JEPS12100  Solanum furcatum W. L. Jepson 1923-10-15 10256 San Mateo hills w of colma ( vicinity of San Francisco Bay) Comment
  UC1327228  Solanum furcatum John T. Doyen 1966-3-28 34 San Mateo San Bruno Mountains, near Radio Towers on top San Bruno Mountains Comment
  RSA202892  Solanum furcatum G. Ledyard Stebbins, E. F. Paddock 1940-9-7 101 San Mateo At Junction of three upper forks of San Pedro Creek, about 100 foot countour level and a mile from the seashore. Comment
  UCD126846  Solanum furcatum E. F. Paddock; G. L. Stebbins Jr. 1940-7-28 89 San Mateo Tobin. Comment
  POM280568  Solanum umbelliferum Arthur L. Cohen 1935-4-21 605 San Mateo Jasper Ridge. Stanford U. Santa Cruz Mt Range. Comment
  SEINET7262176 Image available Solanum umbelliferum L. R. Abrams 1914-4-2 5073 San Mateo San Mateo County Comment
  UCD136058  Solidago Collector Unknown 1925-6-15 1662 San Mateo Pescadero - Santa Cruz Road. Comment
  RSA34004  Solidago canadensis subsp. elongata J. Wendell Howe 1930-5-27 s.n. San Mateo Pigeon Point Road. Comment
  UCR256295  Solidago canadensis subsp. elongata Peter Rubtzoff 1976-10-5 8909 San Mateo San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 213 Comment
  RSA97497  Solidago canadensis subsp. elongata L. S. Rose 1954-8-29 54113 San Mateo Trinitas. 30 Comment
  LA203952  Solidago elongata Lewis B. Rose; 1931-9-19 San Mateo Kings Mt Comment
  UC473553  Solidago elongata Lewis B. Rose 1931-9-9 San Mateo Kings Mt. Comment
  JEPS6048  Solidago spathulata V. F. Hesse 1954-7-30 1341 San Mateo near Pebble Beach 15 Comment
  JROH1236  Solidago velutina subsp. californica John Hunter Thomas 1989-6-17 24779 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC365926  Soliva sessilis John H. Thomas 1958-3-19 7062 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco 91 Comment
  CAS-BOT-BC365937  Soliva sessilis Ira L. Wiggins 1950-5-20 12352 San Mateo Pescadero Beach Comment
  CAS-BOT-BC365922  Soliva sessilis Le Roy Abrams 1902-5-4 2428 San Mateo Woodside Comment
  CAS-BOT-BC374491  Sonchus asper Fred Hemphill 1973-4-22 786 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC374498  Sonchus asper J. H. Thomas 1949-4-14 286 San Mateo Kings Mountain Comment
  JROH1255  Sonchus asper subsp. asper John H. Thomas 1967-5-31 12927 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC374709  Sonchus oleraceus Elizabeth McClintock 1963-3-14 s.n. San Mateo San Bruno Mountain. South Power Line Ridge Comment
  JROH1262  Sonchus oleraceus John H. Thomas 1974-4-6 17092 San Mateo Jasper Ridge Biological Preserve, Stanford University; west side of dam Comment
  CAS-BOT-BC236581  Sorghum halepense John H. Thomas 1968-10-6 14846 San Mateo Vicinity of railroad tracks and Dumbarton Bridge causeway entrance, east of Palo Alto Comment
  CAS-BOT-BC236583  Sorghum halepense Phillip C. Wheeler 1965-6-19 s.n. San Mateo Brisbane Lagoon, San Bruno Mountain Comment
  POM182582  Sparganium erectum subsp. stoloniferum D. D. Keck 1931-8-6 1264 San Mateo Near Searsville Lake. 75 Comment
  JROH5524  Sparganium eurycarpum var. eurycarpum John Hunter Thomas 1979-5-22 19574 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5529  Sparganium eurycarpum var. eurycarpum John Hunter Thomas 1990-6-7 24866 San Mateo Jasper Ridge Biological Preserve, Stanford University; boat ramp near bridge over the 2 halves of Searsville Lake Comment
  UC625361  Spartina foliosa Ira L. Wiggins 1938-11-25 9213 San Mateo Dumbarton Bridge approach; Dumbarton Bridge Comment
  JROH2225  Spartium junceum Ann Lambrecht 2009-6-4 36 San Mateo Jasper Ridge Biological Preserve, Stanford University; San Francisquito Creek, south side, opposite Dennis Martin marker Comment
  CAS-BOT-BC390006  Spergula arvensis Javier Penalosa 1963-3-30 2751 San Mateo San Bruno Mountain. Crest of ridge SW of Brisbane, 750ft. NW of power lines 304 Comment
  JROH1748  Spergula arvensis John Hunter Thomas 1985-4-10 23512 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low flow crossing Comment
  JEPS51204  Spergula arvensis subsp. arvensis W. L. Jepson 1923-10-18 10257 San Mateo hills w. Colma (near ocean) Comment
  JROH1750  Spergularia bocconi John H. Thomas 1967-5-12 12891 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CHSC56977  Spergularia macrotheca Josephine Boyd 1988-5-3 San Mateo On Sand Point in the Menlo Park Baylands at the e end of The Embarcadero, ca 0.5 mi e of the Palo Alto Municipal Airport and 0.3 mi nw of the San Mateo County-Santa Clara County boundary. 4 Comment
  SJSU15797  Spergularia macrotheca var. macrotheca Toni Corelli 2010-6-1 677 San Mateo Wavecrest, west of Highway 1 in Half Moon Bay 23 Comment
  CAS-BOT-BC390472  Spergularia macrotheca var. macrotheca G. B. Rossbach; R. P. Rossbach 1940-6-20 738 San Mateo 1 mile south of Montara Point Comment
  UCD169489  Spergularia marina Peter H. Raven 1950-5-7 2039 San Mateo Moss Beach. 24 Comment
  CAS-BOT-BC390697  Spergularia rubra George Oberlander 1949-6-25 229 San Mateo San Francisco Watershed Reserve Comment
  POM224475  Stachys ajugoides L. S. Rose 1936-5-23 s.n. San Mateo E. of Crystal Springs Lake. 152 Comment
  RSA131287  Stachys ajugoides W. R. Dudley 1894-05 s.n. San Mateo Woodside to Crystal Springs Reservoir Comment
  RSA785891  Stachys ajugoides Peter Rubtzoff 1977-6-21 9067 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  JROH2905  Stachys bullata John Hunter Thomas 1980-11-27 20177 San Mateo Jasper Ridge Biological Preserve, Stanford University; along causeway Comment
  SBBG6546  Stachys bullata H. and M. Dearing 1933-5-14 San Mateo Skyline Drive, S of San Francisco Comment
  UC25935  Stachys bullata J. Burtt Davy Jun 21 1893-Jun 23 1893 1141 San Mateo Pilarcitos Lake and Canyon Comment
  UC306580  Stachys bullata A. D. E. Elmer June, 1903 4417 San Mateo San Mateo Comment
  UCLA71403  Stachys bullata Ira L. Wiggins 1929-7-4 3783 San Mateo 4 mi w La Honda (on hill road to Pescadero) Comment
  JEPS82914  Stachys pycnantha Roy E. Buck and Randall A. Morgan 1983-6-7 334 San Mateo San Francisco Watershed Reserve; in triangle of Edgewood and Canada Rds and Hwy I-280 152 Comment
  RSA446690  Stachys rigida subsp. quercetorum Glenn A. Gorelick 1967-4-14 s.n. San Mateo San Bruno Mts. overlooking Daly City near San Francisco. Comment
  CAS-BOT-BC5590  Stachys rigida var. quercetorum A. A. Heller 1907-5-28 8577 San Mateo Above Crystal Springs on the Half Moon Bay road 137 Comment
  CAS-BOT-BC394056  Stellaria media John H. Thomas 1963-5-20 10125 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz. Comment
  CAS-BOT-BC394060  Stellaria media Josephine D. Randall 1907-6-8 34 San Mateo Portola Valley; Santa Cruz Peninsula Comment
  CAS-BOT-BC394062  Stellaria media Fred Hemphill 1973-3-9 641 San Mateo 347 Alberta Way, Hillsborough (1 mile from Skyline Blvd.) Comment
  JROH1788  Stellaria nitens John H. Thomas 1958-2-15 6993 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1177277  Stephanomeria elata John Thomas Howell 1939-10-8 15369 San Mateo Point San Pedro Comment
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Jun 6 2008
  JROH5322  Stipa lepida John H. Thomas 1967-5-31 12944 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5390  Stipa miliacea var. miliacea Ann Lambrecht 2002-9-18 4 San Mateo Jasper Ridge Biological Preserve, Stanford University. Off Trail 13, Leonard's Bridge section, 2-3 meters W of bridge, not far from its S end. Comment
  UCR182946A  Stipa tenuissima L. Kuwahara 2006-6-1 PDR- 1359399 San Mateo east side of Skyline Blvd., 3/4 mile south of State Hwy 92 360 Comment
  POM149336  Stylomecon heterophylla C. F. Baker 1902-5-4 745 San Mateo Woodside. Comment
  SD38069  Stylomecon heterophylla Edith A. Purer 1933-5-5 3630 San Mateo Woodside Road. Comment
  CAS-BOT-BC271602  Symphoricarpos albus var. laevigatus Elizabeth McClintock; Philip Wheeler 1967-6-11 s.n. San Mateo Radio Road, San Bruno Mountain Comment
  CAS-BOT-BC271637  Symphoricarpos albus var. laevigatus C. F. Baker 1901-9-5 238 San Mateo West side Kings Mt. Comment
  CAS-BOT-BC271640  Symphoricarpos albus var. laevigatus J. I. McMurphy 1906-5-8 s.n. San Mateo Near Crystal Springs Lake, Santa Cruz Mountain Peninsula Comment
  RSA246190  Symphoricarpos albus var. laevigatus E. K. Balls 1965-9-18 12170 San Mateo 1 mile W from Skywood along Hwy 81 from Woodside to junction with Hwy 35. Comment
  CAS-BOT-BC237064  Symphoricarpos mollis Ira L. Wiggins 1925-4-1 1651 San Mateo On Kings Mountain Road three fourths of a mile above Woodside in the old cut over redwood belt. Comment
  HSC5051  Symphyotrichum chilense L. S. Rose 1966-8-15 66083 San Mateo Pillar Point 2 Comment
  UC1536888  Symphyotrichum subspicatum G. H. True Jr. 1936-6-14 507 San Mateo in canyon s of Salada Beach 304 Comment
  UC57661  Symphyotrichum subspicatum unknown 1874-9-19 San Mateo Belmont Comment
  SJSU11814  Symphyotrichum subspicatum R. R. Regnart 1961-5-7 San Mateo by Purissima Creek Road by Purissima Creek 0.5 mi E of Purissima Comment
  CDA34383  Tamarix parviflora E. Finley 1992-3-25 PDR 962382 San Mateo W side of Hwy 1. 0 Comment
  JROH1283  Tanacetum parthenium John Hunter Thomas 1992-5-26 25357 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing Comment
  SJSU15440  Tanacetum parthenium Toni Corelli 2011-8-31 717 San Mateo Pescadero State Beach and Marsh Natural Preserve, Round Hill Trail at the end of Water Lane Road 5 Comment
  CAS-BOT-BC376917  Taraxacum officinale J. H. Thomas 1964-4-30 10337 San Mateo Near intersection of El Camino Real and F St., Colma 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
  UCSB11442  Taraxia ovata Olson, Jim 1962-4-17 San Mateo 1 mile east of Halfmoon Bay; on road to San Mateo 15 Comment
  UCSB11176  Taraxia ovata Connelly, Dianne 1962-4-21 San Mateo above main office of Westhorough homes development; 10 miles north of San Francisco on Highway 5 121 Comment
  JROH367  Tauschia hartwegii H. J. Dengler 1972-4-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; on slope about 100 feet above the east margin of Searsville Lake, and 300 feet south of the dam Comment
  OBI48850  Tauschia kelloggii Lewis S. Rose 1939-5-5 39092 San Mateo San Mateo Cyn 46 Comment
  CAS-BOT-BC447479  Tellima grandiflora Margaret A. Barry 1938-5-29 261 San Mateo Corte Madera Creek near Coal Mine Ridge 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
  JROH3507  Thalictrum fendleri var. polycarpum John H. Thomas 1958-5-10 7159 San Mateo Jasper Ridge Biological Preserve, Stanford University. Fairly common along embankment of trail near Searsville Lake. Comment
  UCSB18684  Thalictrum fendleri var. polycarpum Schulte, John 1963-4-14 San Mateo top of Jasper Ridge, 3 miles SW of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  CAS-BOT-BC399845  Thalictrum polycarpum W. R. Dudley 1900-3-18 s.n. San Mateo Santa Cruz Peninsula. Northwest of San Andreas Reservoir Comment
  SEINET3153451  Thymus vulgaris Unknown 1870-4-10 sn San Mateo Mr. Saulmann's garden at San Mateo Comment
  CAS-BOT-BC66661  Thysanocarpus curvipes John H. Thomas 1968-4-13 14290 A San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  CAS-BOT-BC66664  Thysanocarpus curvipes John H. Thomas 1971-4-3 15745 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  CAS-BOT-BC66677  Thysanocarpus curvipes Margaret A. Barry 1937-4-21 3 San Mateo On Coal Mine Ridge. Comment
  JROH1593  Thysanocarpus curvipes subsp. curvipes John Hunter Thomas 1981-4-7 20299 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  CAS-BOT-BC447578  Tiarella trifoliata var. unifoliata Roland Block 1924-7-1 s.n. San Mateo King Mountain Comment
  JROH379  Torilis arvensis John Hunter Thomas 1990-7-4 24872 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH380  Torilis arvensis John Hunter Thomas 1992-5-14 25230 San Mateo Jasper Ridge Biological Preserve, Stanford University; near boat ramp Comment
  JEPS121588  Toxicodendron diversilobum Adam C. Schneider with C. Matt Guilliams 2013-4-7 116 San Mateo Crystal Springs Reservoir Comment
  JROH5898  Toxicodendron diversilobum M. Ray 1982-5-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; trailside south of Searsville Lake Comment
  SJSU10559  Toxicoscordion fremontii W. J. Cervenka 1962-2-2 San Mateo S end of Portofino Dr, San Carlos Comment
  CHSC57068  Tragopogon porrifolius Steven Triano 1988-5-24 190 San Mateo On the sw corner of the jct. of Portola Road and Old La Honda Road, ca 3.2 mi s of Woodside. 115 Comment
  UCR253355  Tragopogon porrifolius A. C. Sanders 2014-8-3 41235 San Mateo San Francisco Bay, South San Francisco, San Francisco Bay Trail in vicinity of S Airport Drive, Utah Ave., and Haskins Way, between Hwy 101 and San Francisco Bay 6 Comment
  UCSB9321  Tragopogon porrifolius J. R. Haller 1950-4-26 193 San Mateo collected in the hillside W of Fraternity Row, in U C S U C S Comment
  JROH4296  Tribulus terrestris Toni Corelli 2005-9-14 305 a San Mateo Jasper Ridge Biological Preserve, Stanford University; along road B just west of entrance to Dennis Martin marker site 168 Comment
  RSA460866  Trientalis latifolia E. S. Spalding 1924-6-28 s.n. San Mateo San Mateo, La Honda Comment
  UC16489  Trifolium albopurpureum var. dichotomum J. Burtt Davy 1893-6-17 798 San Mateo Belmont Comment
  JROH2242  Trifolium barbigerum John Hunter Thomas 1982-5-18 20941 San Mateo Jasper Ridge Biological Preserve, Stanford University; along SLAC fence Comment
  SEINET11173562 Image available Trifolium barbigerum A. A. Heller 1905-5-15 7842 San Mateo Near Alma Comment
  JROH2245  Trifolium bifidum var. bifidum John Hunter Thomas 1985-5-2 23584 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2253  Trifolium bifidum var. decipiens John H. Thomas 1967-5-12 12879 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2277  Trifolium dubium John H. Thomas 1977-5-18 18614 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2282  Trifolium fucatum Robert Robertson 1954-4-23 100 San Mateo Jasper Ridge Biological Preserve, Stanford University 170 Comment
  JROH2285  Trifolium fucatum John H. Thomas 1957-4-16 6653 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent slopes Comment
  JROH2303  Trifolium fucatum John Hunter Thomas 1986-4-9 23928 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM223326  Trifolium fucatum var. fucatum L. S. Rose 1935-5-4 35152 San Mateo Burlingame. Comment
  SJSU15442  Trifolium glomeratum Toni Corelli 2010-5-13 602 San Mateo Pedro Point Headlands, Pacifica, CA, disturbed area along South Ridge Trail, west of Hwy. 1 100 Comment
  UCD78049  Trifolium glomeratum Robert E. Preston 2004-6-10 2253 San Mateo Ca. 8 miles NW of Boulder Creek, in Pescadero Creek watershed. 162 Comment
  JROH2312  Trifolium glomeratum Ann Lambrecht 2006-4-21 23 San Mateo Jasper Ridge Biological Preserve, Stanford University; roadside, N side of Road A, in old seven acre lease lot Comment
  UC165628  Trifolium gracilentum J. Burtt Davy 1895-1 1026 San Mateo Pilarcitos Comment
  JROH2315  Trifolium gracilentum Ynez Henderson 1920-4-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lake Comment
  JROH2332  Trifolium hirtum John Hunter Thomas 1989-4-20 24644 San Mateo Jasper Ridge Biological Preserve, Stanford University; new bridge below San Francisquito Creek below dam 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
  UCD111316  Trifolium macraei June McCaskill 1954-5-8 292 San Mateo Moss Beach. Comment
  POM20506  Trifolium macraei A. D. E. Elmer 1903-05 4713 San Mateo Lake Merced Comment
  JEPS127794  Trifolium microdon Adam C. Schneider with C. Matt Guilliams 2013-4-7 67 San Mateo Along Dirt Road running parallel to overhead power transmission lines. GPS coordinates approximate. Comment
  UC1130082  Trifolium microdon H. S. Yates 1935-5-8 5205 San Mateo 2 mi n Langley Hill; Santa Cruz Quad. 579 Comment
  JROH2351  Trifolium subterraneum John Hunter Thomas 1983-4-3 21312 San Mateo Jasper Ridge Biological Preserve, Stanford University; roadside near Searsville Lab Comment
  JROH2366  Trifolium subterraneum John Hunter Thomas 1989-4-20 24645 San Mateo Jasper Ridge Biological Preserve, Stanford University; new bridge below San Francisquito Creek below dam Comment
  UC2048924  Trifolium suffocatum Neal Kramer 2016-4-17 2169 b San Mateo Bean Hollow State Beach trail north of parking area. Comment
  JROH2370  Trifolium variegatum Carl B. Wolf 1929-4-24 3657 San Mateo Jasper Ridge Biological Preserve, Stanford University; so. west end of Jasper Ridge 152 Comment
  OBI75561  Trifolium variegatum Lewis S. Rose 1937-5-2 37251 San Mateo Burlingame 91 Comment
  LA205198  Trifolium variegatum LeRoy Abrams; 1914-4-2 5077 San Mateo Menlo Heights Comment
  JROH2397  Trifolium willdenovii John H. Thomas 1967-4-28 12720 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2402  Trifolium willdenovii John H. Thomas 1974-4-12 17144 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2405  Trifolium willdenovii John Hunter Thomas 1980-4-10 19875 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH2413  Trifolium willdenovii John Hunter Thomas 1988-5-3 24446 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU1077  Trifolium willdenovii C. W. Sharsmith 1951-4-7 5828 San Mateo Woodside Hills, 3 mi W of Woodside 182 Comment
  UC137718  Trifolium willdenovii C. F. B. 1902-4-4 451 San Mateo Crystal Springs Comment
  UC485431  Trifolium willdenovii R. L. Pendleton 1907-4-20 609 San Mateo Lake Merced 30 Comment
  POM226853  Trifolium willdenovii L. R. Abrams 1914-4-2 5075 San Mateo Menlo Heights. Comment
  SJSU7998  Trifolium willdenovii M. S. Hall 1965-5-8 136 San Mateo W San Carlos Hills Comment
  UCSC007785  Trifolium wormskioldii Becky Hendricks 2012-6-22 s.n. San Mateo Ano Nuevo State Park Comment
  JROH4721  Trillium chloropetalum John H. Thomas 1958-2-15 6981 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4726  Trillium chloropetalum John H. Thomas 1973-5-5 16759 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  HSC101806  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
  SD27761  Trillium chloropetalum Carl B. Wolf 1927-2-27 228 San Mateo I(c) mile inland from Pescadero. 14 Comment
  RSA15271  Trillium chloropetalum var. chloropetalum Carl B. Wolf 1927-3-6 236 San Mateo Los Trancos Creek, 2 miles back of Stanford University. Comment
  POM290752  Trillium chloropetalum var. giganteum Lyman Benson 1929-3-2 989 San Mateo Hill above Lake Searsville. Comment
  CAS-BOT-BC521065  Trillium chloropetalum var. giganteum Walter & Irja Knight 1965-3-21 996 San Mateo San Bruno Mountain Comment
  CAS-BOT-BC521205  Trillium chloropetalum var. giganteum L. R. A. 1902-4-13 2331 San Mateo Crystal Springs Lake Comment
  SEINET12046255  Trillium chloropetalum var. giganteum C. F. Leithold 1894-1 s.n. San Mateo Santa Cruz Peninsula, Woodside Comment
  SD39140  Trillium sessile Edith A. Purer 1933-4-18 3619 San Mateo No further locality information given on label on specimen sheet. Comment
  CAS-BOT-BC238556  Triphysaria floribunda A. D. E. Elmer 1903-4-1 4522 San Mateo South San Francisco Comment
  CAS-BOT-BC238560  Triphysaria floribunda F. W. Pennell; D. D. Keck 1940-5-15 25426 San Mateo Route 101, 4 miles west of Burlingame 182 Comment
  CAS-BOT-BC238562  Triphysaria floribunda L. R. A. 1902-4-13 2321 San Mateo Lake San Andreas Comment
  CAS-BOT-BC238566  Triphysaria floribunda David D. Keck 1932-5-6 1471 San Mateo One mile south of San Mateo, on highway US 101 Comment
  SD60189  Triphysaria floribunda I. L. Wiggins, R. S. Ferris 1932-4-7 8038 A San Mateo Hills above Colma Comment
  JROH4138  Triphysaria pusilla John H. Thomas 1971-4-10 15753 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR139356  Triphysaria pusilla David D. Keck 1932-5-11 1766 San Mateo San Francisco Bay Region, 2 mi north of San Gregorio 122 Comment
  JEPS10445  Triphysaria versicolor subsp. versicolor Adele Lewis Grant 1917-5-6 934 San Mateo Pebble Beach 3 Comment
  JEPS6923  Triphysaria versicolor subsp. versicolor Rimo Bacigalupi with G. Thomas Robbins 1954-6-18 4562 San Mateo immediately behind Point Ano Nuevo; behind Point Ano Nuevo Comment
  JEPS70094  Triphysaria versicolor subsp. versicolor L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1972-6-14 2946 San Mateo Punta Ano Nuevo Comment
  JROH4741  Triteleia hyacinthina John Hunter Thomas 1981-4-30 20519 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5911  Triteleia hyacinthina J. Nordby 1982-4-25 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Serpentine grassland along roadside, near oak woodlands Comment
  SD39086  Triteleia hyacinthina Marie Cummings 1933-5-10 96 San Mateo Portola Road. Comment
  UCSB811  Triteleia hyacinthina Haller, John 1950-4-26 San Mateo 2 miles northwest of Stanford University, along road to woodside Comment
  CAS-BOT-BC523096  Triteleia ixioides subsp. ixioides Fred Hemphill 1973-5-6 783 San Mateo San Carlos, area north of Malabar Road and Melendy Drive 207 Comment
  CAS-BOT-BC526102  Triteleia ixioides subsp. ixioides Josephine D. Randall 1907-6-8 233 San Mateo Santa Cruz Peninsula, Portola Valley Comment
  CAS-BOT-BC526106  Triteleia ixioides subsp. ixioides Eric Walther 1919-6-9 s.n. San Mateo Woodside Comment
  CAS-BOT-BC526365  Triteleia laxa Philip C. Wheeler 1965-6-21 s.n. San Mateo Sierra Point, San Bruno Mountain Comment
  CAS-BOT-BC526787  Triteleia laxa George Oberlander 1950-5-6 892 San Mateo Under Douglas Fir, Cahill Ridge 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-BC200487  Triticum aestivum Phillip C. Wheeler 1965-6-19 s.n. San Mateo Brisbane Lagoon Comment
  JEPS54258  Tropidocarpum gracile R. J. S. 1908-3-25 San Mateo Los Buellas hills Mt. Hamilton Range Comment
  CAS-BOT-BC74064  Turritis glabra Alice Eastwood 1914-3-12 s.n. San Mateo San Bruno Hills. Comment
  CAS-BOT-BC74061  Turritis glabra W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Peninsula. Top of Montara Mountains. Comment
  UC1241809  Typha angustifolia Herbert L. Mason 1949-7-7 14031 San Mateo mouth of Pescadero Creek Comment
  RSA17882  Typha latifolia Carl B. Wolf 1927-6-10 s.n. San Mateo Searsville Lake. Comment
  CDA19884  Ulex europaeus J. Beall 2002-6-7 PDR P 120147 San Mateo San Francisco Bay Area; Collins Ave, 300 yds W of El Camino Real, Colma. 0 Comment
  RSA254229  Ulex europaeus Robert A. Norris 1975-3-31 2292 San Mateo Near Crocker Avenue, San Bruno Mountains. Comment
  SD232694  Ulex europaeus Don Pendleton 1993-11-20 San Mateo Daly City, at 333 Hickey Blvd. Comment
  JROH140  Umbellularia californica John Hunter Thomas 1981-2-14 20216 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA181986  Umbellularia californica W. L. Jepson 1922-3-19 9541 San Mateo Millbrae 183 Comment
  UC750643  Umbellularia californica Lewis S. Rose 1946-3-9 46017 San Mateo San Mateo Canyon 91 Comment
  UCR2995  Umbellularia californica Wm. Horn Jr. 1963-4-9 630409- 01 San Mateo San Francisco Bay region, Hillsborough, 2240 Redington Rd. 30 Comment
  CAS-BOT-BC382765  Uropappus lindleyi George Oberlander 1949-7-10 714 San Mateo San Francisco Watershed Reserve. Near Skyline Blvd. Comment
  JROH1298  Urospermum picroides Toni Corelli 2005-5-9 287 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along road F 154 Comment
  JEPS43426  Urtica urens W. L. Jepson 1921-4-3 9105 San Mateo Colma, Colma Canyon Colma Canyon; Colma, Colma Canyon Comment
  CAS-BOT-BC199370  Vaccinium ovatum James McMurphy 1907-4-27 js.n. San Mateo Kings Mt. Comment
  UC571033  Vaccinium ovatum Herbert L. Mason 1927-4-23 3671 San Mateo La Honda Comment
  CAS-BOT-BC199372  Vaccinium ovatum Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo Huckleberry Ridge Comment
  CAS-BOT-BC199467  Vaccinium parvifolium A. D. E. Elmer 1903-5-1 4924 San Mateo Butano Creek Comment
  POM149188  Vancouveria planipetala A. D. E. Elmer 1903-05 4922 San Mateo Iverson s Place; on the Pescadero Creek. Comment
  UC511343  Vancouveria planipetala Lyman Benson 1931-5-10 2795 San Mateo Woodside; Santa Cruz Mts., Woodside 243 Comment
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Sep 12 2011
  JROH4257  Verbena lasiostachys var. lasiostachys John H. Thomas 1962-5-31 9895 San Mateo Jasper Ridge Biological Preserve, Stanford University. Oak woodland near Westridge end of ridge Comment
  JROH4264  Verbena lasiostachys var. lasiostachys John Hunter Thomas 1977-6-16 18745 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4273  Verbena lasiostachys var. scabrida John H. Thomas 1968-5-22 14463 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of lake Comment
  RSA82516  Verbena robusta J. T. Howell 1939-6-16 14745 San Mateo Crystal Springs Lake. Comment
  UC1192052  Veronica americana Malcolm A. Nobs, S. Galen Smith 1949-8-25 1551 San Mateo Sharp Park Comment
  UC1252125  Veronica filiformis Mrs. M. C. O'Neil Jr. 1964-5-7 San Mateo 3805 Fernwood Street, San Mateo San Mateo; 3805 Fernwood Street, San Mateo Comment
  JROH4154  Veronica persica John Hunter Thomas 1983-4-20 21535 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing Comment
  RSA172240  Vicia americana var. americana Robert F. Thorne, Percy C. Everett, K. Thorne 1963-6-9 32207 San Mateo On top of San Bruno Mountain, near TV tower. 335 Comment
  JROH2426  Vicia benghalensis John Hunter Thomas 1977-6-16 18797 -1 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC16992  Vicia hassei J. Burtt Davy 1895-4-20 1076 San Mateo San Mateo Creek Comment
  UC1176928  Vicia sativa Peter H. Raven 1950-6-3 2215 San Mateo Millbrae; along Millbrae Ave 60 Comment
  UC1191599  Vicia sativa Malcolm A. Nobs and S. Galen Smith 1949-8-25 1547 San Mateo Sharp Park; marshes at Sharp Park Comment
  JROH2433  Vicia sativa subsp. nigra John H. Thomas 1965-4-10 10559 San Mateo Jasper Ridge Biological Preserve, Stanford University; near west end of Searsville Dam Comment
  UCD164424  Vicia sativa subsp. nigra Peter Rubtzoff 1977-6-21 9062 San Mateo San Bruno Mounains. 'Saddle' area on N side of Guadalupe Canyon Parkway west of Radio Road junction, upper part of East Fork Colma Creek Canyon. Comment
  JROH2441  Vicia sativa subsp. sativa John H. Thomas 1973-3-12 16491 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD108942  Vicia sativa subsp. sativa Malcolm A. Nobs; S. Galen Smith 1949-8-25 1547 San Mateo Sharp Park. Comment
  JEPS112937  Vicia tetrasperma Dean W. Taylor 2002-3-20 17954 San Mateo Franklin Point, along path to the coastal bluff from parking area on Highway 1 15 Comment
  CAS-BOT-BC264031  Viola adunca W. R. Dudley 1896-12-31 s.n. San Mateo Santa Cruz Mountain Peninsula. Between San Gregorio and Pescadero, near sea Comment
  CAS-BOT-BC264038  Viola adunca Rimo Bacigalupi 1922-3-27 s.n. San Mateo Road between Whitehouse Creek and Gazos Creek Comment
  CAS-BOT-BC264049  Viola adunca Robert Robertson 1954-5-1 121 San Mateo At Pebble Beach 9 Comment
  UC483497  Viola adunca Ira L. Wiggins 1931-2-21 5091 a San Mateo Pescadero Beach Comment
  CAS-BOT-BC264033  Viola adunca W. R. Dudley 1900-3-17 s.n. San Mateo S of Montara Mountains Comment
  POM135220  Viola glabella C. F. Baker 1902-3-18 332 San Mateo King's Mountain Comment
  CAS-BOT-BC536570  Viola glabella E. A. McGregor 1908-3-28 s.n. San Mateo Kings Mt. Comment
  CAS-BOT-BC536572  Viola glabella Mrs. E. C. Sutliffe 1921-4-3 s.n. San Mateo Lake Pilarcitos Comment
  POM135301  Viola glabella Stewart H. Burnham 1895-5-8 792 San Mateo Outer Coast Range. Comment
  RSA120705  Viola ocellata S. S. Tillett, I. Sternback 1956-6-24 527 San Mateo Middleton property, behind (N.) Portola Camp Store, just outside Portola State Park. 396 Comment
  RSA130815  Viola ocellata M. N. paulson 1917-04 s.n. San Mateo Kings Mt Road. Comment
  UCR64473  Viola ocellata David D. Keck 1932-6-1 1495 San Mateo Coast Range; Santa Cruz Mtns, above Woodside on La Honda road 366 Comment
  RSA130977  Viola ocellata Lucile Roush 1918-3-31 s.n. San Mateo Santa Cruz Peninsula; Sierra Morena. Comment
  UC499241  Viola pedunculata Ivar Tidestrom 1894-3-29 San Mateo Comment
  UCD111078  Viola pedunculata Lewis S. Rose 1965-3-25 65009 San Mateo San Bruno Mountains, N end. 121 Comment
  UCD166151  Viola purpurea subsp. quercetorum Jack Major; M. Forde and S. Bamberg 1962-4-3 735 San Mateo Above Finney Creek. (Exact location unknown. Coordinates estimated by label maker). 121 Comment
  RSA130764  Viola sempervirens W. R. Dudley 1895-6-6 s.n. San Mateo By road to Moore's above Iverson's, Pescadero Creek. The Santa Cruz Peninsula. Comment
  RSA15293  Viola sempervirens Carl B. Wolf 1927-4-3 262 San Mateo 1 mile above La Honda. Santa Cruz Mountains. Comment
  RSA790283  Vulpia bromoides Peter Rubtzoff 1976-6-13 8635 San Mateo San Bruno Mtn: 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  UC665801  Vulpia microstachys var. pauciflora Ira L. Wiggins 1941-4-17 9720 San Mateo near junction of road to California Sanitarium and Woodside-Half Moon Bay road Comment
  SBBG28187  Whipplea modesta C. Bornstein 1994-6-7 San Mateo Gazos Crk Rd, 6.9 mi E of Hwy 1 312 Comment
  JROH6182  Wolffia A. Lambrecht, T. Barry 2014-8-5 51 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake, shallow water of shoreline, at old boat landing below Searsville Lab. Sector 30 D2 103 Comment
  POM87804  Wyethia angustifolia L. R. Abrams 1902-4-13 2334 San Mateo San Andreas Lake. Comment
  JROH1302  Wyethia angustifolia John H. Thomas 1963-5-1 10042 San Mateo Jasper Ridge Biological Preserve, Stanford University; at western end of ridge Comment
  POM289630  Wyethia angustifolia Lyman Benson 1931-4-26 2761 San Mateo Behind Stanford U., Brookside Park, Santa Cruz mtn range. 244 Comment
  POM289632  Wyethia angustifolia Arthur L. Cohen 1935-4-21 616 San Mateo Jasper Ridge, San Francisquito Creek watershed. 122 Comment
  JROH1313  Wyethia glabra John H. Thomas 1974-4-25 17210 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville end of ridge Comment
  JROH417  Yabea microcarpa John Hunter Thomas 1987-4-30 24218 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC456129  Zannichellia palustris W. R. Dudley 1909-10-10 s.n. San Mateo Santa Cruz Mountain Peninsula. In Crystal Springs Reservoir, N.W. of Club House Comment
  JROH2558  Zeltnera muehlenbergii John H. Thomas 1974-10-26 17628 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2568  Zeltnera muehlenbergii John Hunter Thomas 1982-8-13 21139 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET3558051 Image available Zigadenus fremontii Lewis S. Rose 1932-3-25 32103 San Mateo Belmont. Comment
  CAS-BOT-BC532632  Zigadenus fremontii Roxana S. Ferris 1920-4-26 1967 San Mateo 1 mile from Pescadero on Pigeon Point Road, plants of the Santa Cruz Mountain Peninsula Comment
  SEINET12044400  Zigadenus fremontii H. L. Mason 1921-1 s.n. San Mateo Pescadero, La Honda Road on Pescadero Creek Comment
  UC1719615  Zostera marina Mark Fonseca 2004-4-8 San Mateo Coyote Point; San Francisco Bay Comment



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