Search Results — 2000 specimen records retrieved (1313 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
  CAS-BOT-BC383896  Abronia latifolia J. H. Thomas 1954-4-3 3830 San Mateo Dunes Beach, about 1.5 miles NW of Half Moon Bay. Altitude about sea level Comment
  SD41411  Abronia latifolia Edith A. Purer 1966-7-27 5381 San Mateo Two miles South of Pigeon Point Comment
  CAS-BOT-BC383898  Abronia latifolia W. R. Dudley 1896-11-15 s.n. San Mateo Santa Cruz Peninsula. Spanish town Comment
  JROH1981  Acacia John Hunter Thomas 1983-6-29 22693 San Mateo Jasper Ridge Biological Preserve, Stanford University. Low-flow crossing of San Francisquito Creek Comment
  SJSU948  Acacia longifolia C. P. Hoyt 1948-2-28 San Mateo residence, San Mateo Comment
  CAS-BOT-BC219598  Acanthomintha duttonii Carl B. Wolf 1929-5-24 3723 San Mateo Above Upper Emerald Lake back of Redwood City Comment
  CAS-BOT-BC219610  Acanthomintha duttonii Lewis S. Rose 1933-5-17 33171 San Mateo Redwood City Comment
  UC517976  Acanthomintha duttonii Lewis S. Rose 1933-5-17 33171 San Mateo Redwood City Comment
  SD27833  Acanthomintha obovata Carl B. Wolf 1929-5-24 3723 San Mateo Open grassy hills above upper Emerald Lake back of Redwood City. Comment
  POM63305  Acanthomintha obovata subsp. duttonii A. D. E. Elmer 1903-05 4538 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC333209  Acer macrophyllum R. Hoffough 1988-4-6 800 San Mateo La Honda grade Comment
  CAS-BOT-BC333294  Acer macrophyllum Josephine D. Randall 1906-3-1 1 San Mateo Santa Cruz Peninsula, San Francisquito Creek near Stanford Univ. Comment
  CAS-BOT-BC333295  Acer macrophyllum Margaret A. Barry 1938-4-21 236 San Mateo Los Trancos Creek near Coal Mine Ridge Comment
  CAS-BOT-BC333212  Acer macrophyllum W. R. Dudley 1906-6-30 s.n. San Mateo Santa Cruz Mountain Peninsula. LosTrancos Road near Las Trancos Dairy Comment
  CAS-BOT-BC336919  Acer negundo var. californicum C. F. Baker 1902-4-6 472 San Mateo Crystal Springs Lake Comment
  SEINET7898512  Acer saccharum D. Nyquist 1960-4-18 44 San Mateo San Francisco. Comment
  JEPS121480  Achillea millefolium Adam C. Schneider with C. Matt Guilliams 2013-4-7 94 San Mateo Crystal Springs Reservoir Comment
  JROH444  Achillea millefolium John H. Thomas 1975-6-5 17943 San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack 154 Comment
  JROH448  Achillea millefolium John Hunter Thomas 1981-4-23 20489 San Mateo Jasper Ridge Biological Preserve, Stanford University 130 Comment
  JROH5896  Achillea millefolium M. Ray 1982-5-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trailside near Whiskey Hill Gate 180 Comment
  JROH455  Achyrachaena mollis Arthur Spiegler 1952-5-10 70 San Mateo Jasper Ridge Biological Preserve, Stanford University; north of Searsville Lake Comment
  JROH476  Achyrachaena mollis John Hunter Thomas 1989-5-9 24712 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM284475  Achyrachaena mollis Arthur L. Cohen 1935-4-21 625 San Mateo Jasper Ridge; Mt.Range: Coast; Watershed: Searsville. 183 Comment
  CAS-BOT-BC29100  Achyrachaena mollis David D. Keck 1932-5-6 1484 San Mateo Hills just west of Millbrae Highlands 120 Comment
  SD2527  Acmispon americanus Ulysses S. Grant IV Jun 1925 San Mateo Burlingame 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
  JEPS128393  Acmispon wrangelianus Adam C. Schneider 2013-5-17 131 San Mateo Crystal Springs Reservoir. Comment
  JROH2091  Acmispon wrangelianus John H. Thomas 1961-4-8 9075 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2097  Acmispon wrangelianus John H. Thomas 1968-5-3 14445 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC202840  Actaea rubra A. D. E. Elmer May, 1903 4703 San Mateo Butano Creek Comment
  RSA176544  Actaea rubra subsp. arguta John H. Thomas 1963-5-6 10062 San Mateo Summit of La Honda Road at Skyline Blvd. 610 Comment
  CAS-BOT-BC29290  Adenocaulon bicolor E. S. Spalding 1924-6-28 2967 San Mateo La Hondo Comment
  CAS-BOT-BC139953  Adenostoma fasciculatum Ned Cahill 1974-5-13 260 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC139960  Adenostoma fasciculatum Linda Fox 1969-6-20 1001 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  JROH3586  Adenostoma fasciculatum var. fasciculatum John H. Thomas 1974-8-3 17591 San Mateo Jasper Ridge Biological Preserve, Stanford University 137 Comment
  JROH3590  Adenostoma fasciculatum var. fasciculatum John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5909  Adiantum jordanii M. Ray 1982-5-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail along San Francisquito Creek, near Redwood Grove Comment
  CAS-BOT-BC202671  Aesculus californica A. D. E. Elmer 1903-6-1 4258 San Mateo Crystal Springs Lake Comment
  UCR3560  Aesculus californica Wm. Horn Jr. 1963-6-10 630610- 2 San Mateo San Francisco Bay Region, Hillsborough [Burlingame], 2240 Redington Road 30 Comment
  SEINET12232132  Aesculus californica Unknown 1933-1 126 San Mateo Toward Woodside Comment
  CAS-BOT-BC29526  Agoseris apargioides W. R. Dudley 1896-11-15 s.n. San Mateo Near shore, Spanishtown Comment
  RSA18512  Agoseris grandiflora C. B. Wolf 1927-7-14 608 San Mateo Summit of Kings Mountain Rd. Comment
  RSA18497  Agoseris heterophylla var. heterophylla C. B. Wolf 1927-7-14 623 San Mateo 1 mile south of summit of Kings Mt on Skyline Drive. Comment
  POM52180  Agoseris hirsuta C. F. Baker 1902-5-4 884 San Mateo Crystal Springs Lake Comment
  UC1100106  Agrostis alba Malcolm A. Nobs and S. Galen Smith 1949-8-25 1550 San Mateo marshes Sharp Park Comment
  CAS-BOT-BC210070  Agrostis capillaris Peter Rubtzoff 1978-7-8 9223 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Upper part of East Fork Colma Creek Canyon area. Comment
  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
  RSA796393  Agrostis capillaris Peter Rubtzoff 1978-7-8 9223 San Mateo Saddle' area on north side of Guadalupe Canyon Parkway, West of Radio Road junction. Upper part of East Fork Colma Creek Canyon area. Comment
  JEPS129817  Agrostis exarata John Rawlings, Ken Hickman 2017-6-3 2095 B San Mateo Highway 92 west on ramp to Highway 280 north (Caltrans Right Way). Comment
  CAS-BOT-BC139459  Agrostis hallii Elizabeth McClintock; Paul Reeberg 1989-6-1 s.n. San Mateo San Bruno Mountains. Juncus Ravine. 182 Comment
  CAS-BOT-BC138976  Agrostis pallens A. D. E. Elmer 1903-6-1 4264 San Mateo Alpine School House. Comment
  CDA926  Agrostis pallens D. G. Kelch, B. G. Baldwin, Sue Bainbridge, Abigail Moore 2005-6-21 5 .369 San Mateo S.F. Water District land, near Spring Valley. NE corner Pilarcitos Lake. Comment
  JEPS101121  Aira caryophyllea Dean W. Taylor 1991-5-20 11786 San Mateo coastal bluffs near south bank of Pescadero Creek at Highway 1 9 Comment
  JROH5613  Aira caryophyllea John Rawlings 2014-4-11 1216 San Mateo Jasper Ridge Biological Preserve, Stanford University; in road G immediately north of its intersection with Rd. J. 144 Comment
  CAS-BOT-BC138235  Aira caryophyllea var. caryophyllea Elizabeth McClintock 1964-4-17 s.n. San Mateo San Bruno Mountain. Slope on top of mountain. Comment
  CAS-BOT-BC445396  Alisma plantago-aquatica Margaret A. Barry 1937-6-27 174 San Mateo Mud Lakes on Coal Mine Ridge Comment
  UC398649  Allium dichlamydeum L. R. Abrams 1926-5-26 San Mateo a short distance s original station <type locality?> (w slope of San Bruno Hills); San Bruno Hills Comment
  CAS-BOT-BC467296  Allium dichlamydeum Ned Cahill 1974-5-13 245 San Mateo Chaparral near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City. Comment
  RSA52685  Allium falcifolium I. L. Wiggins 1949-4-23 12049 San Mateo Near Emerald Lakes, west of Redwood City. Comment
  CAS-BOT-BC469033  Allium falcifolium G. C. Kimber; Lucile Roush 1918-4-11 s.n. San Mateo Jasper Ridge; Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC471100  Allium lacunosum var. lacunosum Lewis S. Rose 1931-5-15 s.n. San Mateo Emerald Lake, west of Redwood City Comment
  JROH4567  Allium lacunosum var. lacunosum John Hunter Thomas 1978-4-20 19082 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA928  Allium peninsulare D. G. Kelch, B. G. Baldwin, Sue Bainbridge, Abigail Moore 2005-6-21 5 .366 San Mateo S.F. Water District land, near Spring Valley. NE corner Pilarcitos Lake. Comment
  CAS-BOT-BC132034  Allium peninsulare var. franciscanum A. D. E. Elmer 1903-6-1 4595 San Mateo San Mateo Comment
  CAS-BOT-BC132035  Allium peninsulare var. franciscanum Alice Eastwood 1912-6-10 s.n. San Mateo Crystal Springs Comment
  JEPS33718  Allium peninsulare var. franciscanum D. E. Breedlove 1963-5-13 4942 San Mateo w San Mateo (on the se corner of the junction of Crystal Springs Rd. and Polhemus Rd.) Comment
  JROH4561  Allium peninsulare var. franciscanum Toni Corelli 2003-5-28 259 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
  RSA10362  Allium peninsulare var. franciscanum H. A. Barker 1926-5-5 594 San Mateo Near Searsville Lake Comment
  CAS-BOT-BC475449  Allium serra Ned Cahill 1974-5-13 246 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CDA33772  Allium triquetrum D. G. Kelch 2011-3-13 11 .046 San Mateo Pacifica. Along sea bluffs Comment
  JROH1329  Alnus rhombifolia John Hunter Thomas 1992-5-26 25351 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek near bridge & below the dam Comment
  CAS-BOT-BC169339  Alnus rubra J. W. Gillespie 1925-4-18 s.n. San Mateo Ano [Ano] Nuevo Pt. Comment
  RSA107019  Alnus rubra L. S. Rose 1955-11-7 55189 San Mateo Tunitos. 30 Comment
  CAS-BOT-BC137916  Alopecurus saccatus James McMurphy 1906-5-8 s.n. San Mateo Pond near head of Crystal Springs Lakes. Comment
  UC1108513  Alopecurus saccatus James McMurphy 1906-5-8 San Mateo pond near head of Crystal Springs Lakes Comment
  CAS-BOT-BC137918  Alopecurus saccatus James McMurphy 1906-5-8 s.n. San Mateo Pond near head of Crystal Springs Lakes. Comment
  UC188946  Alopecurus saccatus Michener Sept 1891 124 San Mateo San Bruno Rd. Comment
  RSA177003  Amaranthus albus John H. Thomas 1964-11-15 10522 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto Comment
  JROH179  Amaranthus retroflexus John H. Thomas 1974-10-29 17651 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC44930  Ambrosia chamissonis Lewis S. Rose 1956-8-13 56144 San Mateo Princeton sand dunes 6 Comment
  RSA123305  Ambrosia chamissonis N. K. Carlson 1935-7-5 120 San Mateo [Unspecified] 0 Comment
  SEINET11855111  Ambrosia chamissonis Unknown 1932-1 9246 San Mateo Half Moon Bay Comment
  CAS-BOT-BC136834  Amelanchier utahensis A. D. E. Elmer 1903-5-1 4659 San Mateo [Slates] Slate Creek (Pescadero) Comment
  CAS-BOT-BC136835  Amelanchier utahensis L. R. Abrams 1916-4-22 5577 San Mateo Pilarcitos [Canon] Canyon 3 Comment
  JEPS13156  Ammannia coccinea V. F. Hesse 1955-10-10 1719 San Mateo 4 mi from Pescadero (near Butano road) Comment
  CHSC57108  Ammophila arenaria Steven Triano 1988-5-24 203 San Mateo Located ca 750 ft s of Hwy. 1 and 2.9 mi s of Pigeon Point Light Station. 24 Comment
  SD41374  Ammophila arenaria Edith A. Purer 1932-7-18 4023 San Mateo Near Pigeon Point, sandy area. Comment
  CAS-BOT-BC214046  Amsinckia Mrs. E. C. Sutliffe 1933-5-25 s.n. San Mateo Purissima Canyon Comment
  CAS-BOT-BC214048  Amsinckia Lewis S. Rose 1933-5-17 33174 A San Mateo Redwood City Comment
  UC24619  Amsinckia lycopsoides Alice Eastwood April, 1896 San Mateo near San Mateo Comment
  JROH1354  Amsinckia menziesii John Hunter Thomas 1987-5-15 24281 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing Comment
  CHSC57069  Amsinckia spectabilis var. spectabilis Steven Triano 1988-5-24 213 San Mateo Located ca 750 ft s of Hwy. 1 and 2.9 mi s of Pigeon Point Light Station. 24 Comment
  UC1084383  Amsinckia tessellata var. gloriosa G. Thomas Robbins 1937-4-11 77 San Mateo above Colma (along Skyline Blvd, s of San Francisco) Comment
  CAS-BOT-BC45192  Anaphalis margaritacea Josephine D. Randall 1907-7-23 47 San Mateo Near Crystal Springs Lake Comment
  RSA246189  Anaphalis margaritacea E. K. Balls 1969-9-18 12173 San Mateo 6 mi. S along the La Honda Road (Hwy 84) past jct. hwy 84 and hwy 35. Beside San Gergorio Creek. 137 Comment
  CAS-BOT-BC391914  Anemone grayi J. H. Thomas 1949-4-14 274 San Mateo Kings Mountain Comment
  CAS-BOT-BC391915  Anemone grayi W. R. Dudley 1894-3-26 s.n. San Mateo Santa Cruz Peninsula. Beyond King's Mt. House Comment
  CAS-BOT-BC221459  Angelica hendersonii Alice Eastwood 1914-10-1 s.n. San Mateo Mussel Rock Comment
  CDA38223  Angelica hendersonii T. C. Fuller 1957-10-2 407 -57 San Mateo San Gregorio. 0 Comment
  JROH192  Angelica tomentosa John Hunter Thomas 1989-6-17 24776 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM132762  Angelica tomentosa var. tomentosa C. F. Baker 1903-6-30 3354 San Mateo Crystal Springs Comment
  HSC24049  Anisocarpus madioides Mary Katherine Wicksten 1971-6-16 36 San Mateo Bank at Huddart Park, by Werder Flat Comment
  SEINET3127888  Anthoxanthum odoratum Unknown 1902-6-7 2258 San Mateo Kings Mt Comment
  JROH3600  Aphanes occidentalis John H. Thomas 1963-4-17 10036 A San Mateo Jasper Ridge Biological Preserve, Stanford University; near the "riders shack" at the Searsville end of the ridge Comment
  CAS-BOT-BC454479  Aphanes occidentalis Walter & Irja Knight 1965-3-21 949 San Mateo North Power Line Ridge, San Bruno Mountain Comment
  CAS-BOT-BC392068  Aquilegia eximia Miss. H. D. Geis 1901-7-1 s.n. San Mateo Pulpit Rock Canon [Canyon]. Near stage road, from S. Mateo to Crystal Springs Res. Dam Comment
  CAS-BOT-BC405852  Aquilegia formosa Le Roy Abrams 1902-4-13 2343 San Mateo Crystal springs Comment
  CAS-BOT-BC405897  Aquilegia formosa 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
  CHSC57095  Aquilegia formosa var. truncata Steven Triano 1988-5-24 206 San Mateo Along S side of Old La Honda Road ca 0.3 mi E of its jct. With La Honda Road. 365 Comment
  CHSC57096  Aquilegia formosa var. truncata Steven Triano 1988-5-24 206 San Mateo Along S side of Old La Honda Road ca 0.3 mi E of its jct. With La Honda Road. 365 Comment
  CAS-BOT-BC17336  Arabis blepharophylla Reed Clark Rollins 1942-4-30 3006 San Mateo Southeast slope of the San Bruno Hills about 1 mile west of Brisbane. 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
  UC1137192  Arctostaphylos G. Ward 1940-8-5 2 San Mateo San Bruno Mt. San Mateo Quadrangle Comment
  UC1212008  Arctostaphylos James Roof 1961-4-18 San Mateo mt. spur 1/4 mi ne summit; San Bruno Mountain 335 Comment
  UC83010  Arctostaphylos C. F. Baker 1902-5-10 817 San Mateo King's Mountain Comment
  UCD50280  Arctostaphylos andersonii Roman Gankin 1959-3-22 324 San Mateo Kings Mountain Road, 1.2 miles east of junction with State Highway 5, ca. 5 miles west of Woodside. Comment
  CAS-BOT-BC23507  Arctostaphylos crustacea George Oberlander 1949-4-9 50 San Mateo Sawyer Ridge Comment
  CAS-BOT-BC23514  Arctostaphylos crustacea John Thomas Howell 1931-1-18 5725 San Mateo King Mt. Comment
  CAS-BOT-BC23548  Arctostaphylos crustacea Robert Francis Hoover 1941-2-12 4763 San Mateo Northwest of Saratoga Summit 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
  SEINET12524566 Image available Arctostaphylos crustacea L. S. Rose 1942-1 42007 San Mateo Kings mountain. 600 Comment
  SBBG83928  Arctostaphylos crustacea subsp. crustacea R. Gankin 1959-2-22 322 San Mateo 2.8 mi from jct with Hwy 5 on King's Mtn Rd Comment
  UC571190  Arctostaphylos imbricata H. L. Mason 1928-2-22 4164 San Mateo San Bruno Mountain Comment
  UCD50868  Arctostaphylos imbricata James Roof 1961-4-18 San Mateo From the northeast face of San Bruno Mt. 335 Comment
  CAS-BOT-BC40167  Arctostaphylos montaraensis Roman Gankin; W. R. Hildreth 1966-5-17 738 San Mateo Southeast-facing slope of Montara Mountain. Comment
  UC21804  Arctostaphylos montaraensis J. Burtt Davy 1895-4-20 1049 San Mateo Lake Pilarcitos Comment
  CAS-BOT-BC44707  Arctostaphylos regismontana Walter Knight; Irja Knight 1964-9-14 846 San Mateo On Peak Mt. 304 Comment
  CAS-BOT-BC44738  Arctostaphylos regismontana Carl B. Wolf 1930-11-6 1067 San Mateo 2 miles north of summit of Kings Mt., Skyline Blvd. 640 Comment
  CAS-BOT-BC44748  Arctostaphylos regismontana W. R. Dudley 1902-5-17 s.n. San Mateo Near King's Mountain Road 457 Comment
  POM222789  Arctostaphylos regismontana S. S. Berry 1909-3-13 s.n. San Mateo King's Mt. Road. 548 Comment
  RSA119223  Arctostaphylos regismontana John H. Thomas 1954-2-13 3686 San Mateo Along Skyline Highway between Kings Mt. Road and La Honda Road. 609 Comment
  RSA141485  Arctostaphylos regismontana B. O. Schreiber 1938-10-16 2564 San Mateo On Kings Mountain. 609 Comment
  RSA636746  Arctostaphylos regismontana Jon E. Keeley, Melanie Baer Keeley 1993-9-8 24630 San Mateo NW side of Montara Mtn. 150 Comment
  UC1120831  Arctostaphylos regismontana A. E. Wieslander and B. O. Schreiber 1940-3-5 4 San Mateo road from Woodside to King's Mt.; Santa Cruz Quadrangle 304 Comment
  UC1120845  Arctostaphylos regismontana C. M. Belshaw 1935-1-25 1467 San Mateo KIngs Mt. Rd. 6 mi w Woodside; Santa Cruz Quadrangle Comment
  UC1120846  Arctostaphylos regismontana C. M. Belshaw 1935-1-25 1466 San Mateo Kings Mt. Rd 4.7 mi w Woodside; Santa Cruz Quadrangle 609 Comment
  CAS-BOT-BC44671  Arctostaphylos sensitiva W. R. Dudley 1899-1-2 s.n. San Mateo On dry hills between Butano Cr. and Little Butano Cr. - Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC47321  Arctostaphylos tomentosa Walter Knight; Irja Knight 1964-9-14 843 San Mateo Peak Mountain, ca. 1 mi. w. of summit. Comment
  POM131770  Arctostaphylos tomentosa subsp. crustacea C. F. Baker 1902-5-10 817 San Mateo Kings Mountain. Comment
  RSA44374  Arctostaphylos tomentosa subsp. crustacea L. S. Rose 1949-3-18 49006 San Mateo Hills west of Belmont. 91 Comment
  RSA81913  Arctostaphylos tomentosa subsp. crustacea E. K. Balls, Percy C. Everett, B. K. Balls 1953-10-16 18680 San Mateo Hwy 5, 30.8 mi. s.e. of San Francisco - San Mateo Co. line. 762 Comment
  SD38436  Arctostaphylos tomentosa subsp. crustacea Edith A. Purer 1933-5-23 3607 San Mateo Skylline Comment
  UCD51721  Arctostaphylos tomentosa var. crinita Roman Gankin 1959-2-22 325 San Mateo 1.2 miles from junction State Hwy 5 on King's Mt. Road, San Mateo County, California. Comment
  CAS-BOT-BC46829  Arctostaphylos uva-ursi Peter H. Raven 1951-3-12 2743 San Mateo Summit ridge San Bruno Mts. 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
  SEINET11987153  Arctostaphylos uva-ursi var. coactilis W. Knight, Knight, I. 1981-1 4055 San Mateo Tilden Botanic Garden, Berkeley, orig. about 200 yds E of summit parking lot of San Bruno Mt Comment
  CAS-BOT-BC400410  Aristolochia californica Elizabeth McClintock 1969-3-9 s.n. San Mateo San Bruno Mountain. Edge of southern ravine of Glen Park Canyon, next to fence dividing Crocker property from City of Brisbane. Eastern portion of mountain Comment
  CAS-BOT-BC47704  Armeria maritima subsp. californica John R. Berth 1963-5-23 40 San Mateo Pigeon Point 3 Comment
  POM204327  Armeria maritima subsp. californica I. L. Wiggins 1929-7-4 3801 San Mateo Pescadero Beach Comment
  UC877854  Armeria maritima subsp. californica Alice Eastwood 1915-6-13 4712 San Mateo Granada Comment
  CAS-BOT-BC82514  Arnica discoidea Josephine D. Randall 1907-6-29 50 San Mateo [King's] Kings Mt. Road Comment
  POM288964  Artemisia biennis Lyman Benson 1928-11-25 788 San Mateo Stanford Univ-- Lake Searsville. Santa Cruz Mts. 152 Comment
  JROH513  Artemisia biennis Roxana S. Ferris 1924-10-6 4096 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake on Portola Highway Comment
  RSA116788  Artemisia biennis Roxana S. Ferris 1924-10-6 4096 San Mateo Searville Lake on Portola Hwy. Comment
  CAS-BOT-BC84880  Artemisia californica James McMurphy 1905-10-1 s.n. San Mateo Corte de Madera Creek Comment
  UC892419  Artemisia douglasiana Lewis S. Rose 1938-8-18 38232 San Mateo San Mateo 30 Comment
  SACT000356  Arundo donax Malcolm Nobs, S. Smith 1949-8-25 San Mateo on bank in marsh, 6-12 feet tall, with typha, scirpus, potameton, polygonum, and lactuca. Brackish marsh Comment
  CAS-BOT-BC400510  Asarum caudatum A. D. E. Elmer 1903-6-1 4421 San Mateo Butano Creek Comment
  UC6193  Asarum caudatum McLean Jun 1874 San Mateo Pescadero Comment
  SJSU10590  Asarum caudatum W. F. Larson 1973-4-16 San Mateo 5 mi E of La Honda 457 Comment
  JROH430  Asclepias fascicularis John H. Thomas 1973-6-10 16826 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA97496  Aster chilensis L. S. Rose 1954-8-29 54112 San Mateo Tunitas 30 Comment
  CAS-BOT-BC478065  Asteraceae H. A. Dutton 1900-5-6 s.n. San Mateo Santa Cruz Mountain Peninsula, Woodside Comment
  CAS-BOT-BC186769  Astragalus gambelianus Lewis S. Rose 1956-7-2 56113 San Mateo Skyline Blvd., hills w. of San Mateo 182 Comment
  JROH1987  Astragalus gambelianus Duncan M. Porter 1960-5-5 675 San Mateo Jasper Ridge Biological Preserve, Stanford University; meadow near crest of N-facing slope above Webb Ranch. Quadrat H-5 Comment
  RSA60155  Astragalus gambelianus Lois E. James 1946-4-16 1741 San Mateo Hills back of Redwood City. High Road off Woodside Road. Comment
  SEINET948341  Astragalus gambelianus Lois E. James 1946-1 1741 San Mateo Serpentine hills back of redwood city. High Road off Woodside Road. Comment
  UC903410  Astragalus gambelianus Lois E. James 1947-4-11 1757 San Mateo hills back of Redwood City back of Redwood City Comment
  UCD104788  Astragalus gambelianus Lois E. James 1947-4-11 1758 San Mateo Hills back of Redwood City. Comment
  SD87780  Astragalus menziesii Frank W. Peirson 1925-9-13 6424 San Mateo Rockaway Beach, in detritus at the foot of cliffs at sea level Comment
  POM16331  Astragalus nuttallii C. F. Baker 1903-6-30 3358 San Mateo Pillar Point Comment
  CAS-BOT-BC177969  Astragalus nuttallii var. virgatus W. R. Dudley 1896-4-17 s.n. San Mateo Pasture near Pebble Beach, Pescadero - Santa Cruz Peninsula Comment
  CAS-BOT-BC186569  Astragalus nuttallii var. virgatus C. F. B. 1903-6-30 3358 San Mateo Pillar Point Comment
  CAS-BOT-BC194430  Astragalus nuttallii var. virgatus Copeland 1905-6-3 3299 San Mateo Montara Pt. Comment
  SD40165  Astragalus nuttallii var. virgatus Edith A. Purer 1933-7-27 5356 San Mateo High stabilized sand dunes, Pigeon Point. Comment
  UCD35773  Astragalus nuttallii var. virgatus Beecher Crampton 1962-6-11 6495 San Mateo Pacifica, north city limits, along State Hwy. 1 just southwest of its junction with Skyline Blvd. Comment
  CAS-BOT-BC177972  Astragalus nuttallii var. virgatus A. A. Heller 1906-6-8 8385 San Mateo Near Ocean View, San Francisco, on the Lake Merced side of the Ocean Shore tracks in soil. Comment
  RSA294164  Astragalus pycnostachyus var. pycnostachyus Robert A. Norris, John L. Inase, Allen Nakagawa 1981-7-25 4225 San Mateo N of mouth of Pescadero Creek, Pescadero State Beach. Comment
  UC75368  Atriplex californica C. F. Baker 1902-10-1 1743 San Mateo Pillar Point Pillar Point (on banks along the coast) Comment
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Feb 2 2012
  JEPS118232  Atriplex prostrata Dean W. Taylor with Alison Colwell 2005-9-26 19492 San Mateo 1 mile south along the coast from Franklin Point, Ano Nuevo State Reserve 0 Comment
  RSA187167  Avena barbata John H. Thomas 1954-4-3 3836 San Mateo Pilarcitos Creek Road, 3.5 miles NE of Halfmoon Bay., Lat. N 37 29.5, Long 122.5 W. 122 Comment
  CAS-BOT-BC145960  Avena fatua Elizabeth McClintock; Paul Reeberg 1989-3-19 s.n. San Mateo San Bruno Mountains. Shearwater. 91 Comment
  JROH5975  Avena fatua John Rawlings 2017-5-2 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Scattered along brick path from visitor parking lot to field station 121 Comment
  JROH544  Baccharis glutinosa John Hunter Thomas 1988-10-17 24593 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake Comment
  CAS-BOT-BC99519  Baccharis pilularis John H. Thomas 1976-10-7 18397 San Mateo Along coast highway #1, 0.6 miles north of northern most road to Pigeon Pt. Lighthouse. About 4.2 miles almost due south 30 Comment
  CAS-BOT-BC99520  Baccharis pilularis George Oberlander 1949-8-20 361 San Mateo Sweeney Ridge Comment
  CAS-BOT-BC99535  Baccharis pilularis Louis F. Pitelka 1974-5-28 s.n. San Mateo Bolsa Point, about 1 mi N of Pigeon Point and about 39 mi S of San Francisco Comment
  POM222816  Baccharis pilularis S. S. Berry, K. L. Dole 1909-4-3 s.n. San Mateo Bear Creek Canyon Road 427 Comment
  RSA40138  Baccharis pilularis L. S. Rose 1948-11-25 48240 San Mateo San Mateo County, Kings Mtn. 549 Comment
  RSA51370  Baccharis pilularis L. S. Rose 1949-9-20 49182 San Mateo Sharp Park Comment
  UC87151  Baccharis pilularis C. F. Baker 1902-10-1 1740 San Mateo Pillar Point Pacific Coast Comment
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Feb 2 2012
  RSA93165  Baccharis pilularis F. W. Peirson 1925-9-13 6425 San Mateo Rockaway beach. Comment
  SEINET3387422 Image available Baeria hirsutula Lewis S. Rose 1933-5-3 33141 San Mateo Montara, Ocean Bluffs Comment
  JEPS90454  Barbarea orthoceras Dean W. Taylor 1992-3-19 12336 San Mateo Montara Mt. in saddle just e. San Pedro Mt. (reached via old paved rd. from San Pedro Valley, along ridge at BM 924); Santa Cruz Mts., Montara Mt. 7 1/2 Quad. (1980) 274 Comment
  UCR279901  Barbarea orthoceras var. dolichocarpa Peter Rubtzoff 1975-5-21 7962 San Mateo Central Coast, San Bruno Mountains, 'saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road Junction 220 Comment
  JROH3913  Bellardia trixago John H. Thomas 1969-5-16 15047 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3928  Bellardia trixago John Hunter Thomas 1988-6-6 24510 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Lakeside Laboratory Comment
  UC1733840  Bellardia trixago Kay H. Beach 1941-4-26 1077 San Mateo S of San Francisco city limits Skyline Drive 76 Comment
  HSC81971  Bellardia trixago Thomas W. Nelson, James Nelson 1980-5-3 5131 San Mateo Intersection of Hwy. 92 and Hwy. 280, W of San Mateo. Comment
  CAS-BOT-BC75871  Berberis pinnata Alice Eastwood 1915-3-13 s.n. San Mateo San Bruno Hills. Comment
  CAS-BOT-BC75874  Berberis pinnata A. D. E. Elmer 1903-4-1 4820 San Mateo San Bruno Hills. Comment
  CAS-BOT-BC75881  Berberis pinnata Art Menzies; Barbara Menzies 1965-3-14 s.n. San Mateo San Bruno Mountain. Reservoir Hill. Comment
  UC1191932  Berula erecta Malcolm A. Nobs, S. Galen Smith 1949-8-25 1561 San Mateo at Sharp Park Sharp Park Comment
  UCR251686  Beta vulgaris Detlef Bartsch 2014-6-13 s.n. San Mateo Menlo Park, Bayfront Park at Marsh Road 3 Comment
  CAS-BOT-BC66298  Blechnum spicant L. R. Abrams 1912-4-1 5000 San Mateo Butano Canyon Comment
  RSA465634  Boisduvalia stricta E. S. Spalding 1923-8-3 s.n. San Mateo Pulgas Tunnel, east side. Comment
  UCD140047  Bolboschoenus robustus Herbert L. Mason; Verne Grant 1946-8-28 13077 San Mateo mouth of Tolay Creek. Comment
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Aug 16 2015
  RSA119849  Bowlesia incana Hester R. Davis 1920-4-6 s.n. San Mateo Near San Francisquite Creek. Comment
  JROH4849  Brachypodium distachyon Herb Dengler 1977-6-4 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. West of Searsville Lake above beach Comment
  JROH4864  Brachypodium distachyon John Hunter Thomas 1992-5-14 25221 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET244250 Image available Brachypodium sylvaticum K. Melo 2003-12-1 PDR 138951 San Mateo Hwy 84 at Grandview Terrace and Schilling Lake. Martin Creek drainage. Comment
  CAS-BOT-BC30257  Brassica nigra Alice Eastwood; John Thomas Howell 1939-7-9 7439 San Mateo Skyline Blvd. east of La Honda. Comment
  JROH1463  Brassica rapa John H. Thomas 1975-4-5 17707 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR136582  Brassica rapa George K. Helmkamp, E. A. Helmkamp 1999-6-28 5014 San Mateo Pescadero Creek Watershed, Bean Hollow Road 0.3 mi south of Pescadero Road (SW of Pescadero). Slopes above Butano Creek 61 Comment
  CAS-BOT-BC36798  Brassica rapa Daniel Cohen 1953-5-9 71 San Mateo Top of sea cliff at Pescadero. Comment
  CAS-BOT-BC145325  Briza minor H. A. Dutton 1900-4-17 s.n. San Mateo Santa Cruz Peninsula. Just east of Jasper on south side of roadside. Comment
  CAS-BOT-BC145331  Briza minor John H. Thomas 1961-5-13 9344 San Mateo At Franklin Point. Comment
  CAS-BOT-BC145340  Briza minor Elizabeth McClintock 1965-6-13 s.n. San Mateo San Bruno Mountain. Lower slope on south side above Olivet Cemetery. Comment
  CHSC57109  Briza minor Steven Triano; Josephine Boyd 1988-5-24 197 San Mateo Located ca 750 ft s of Hwy. 1 and 2.9 mi s of Pigeon Point Light Station. 24 Comment
  JROH4889  Briza minor John Hunter Thomas 1983-6-2 22334 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC144492  Briza minor Copeland 1903-5-24 3257 San Mateo above Crystal Springs Lake Comment
  UCR121574  Briza minor George K. Helmkamp, E. A. Helmkamp 1999-6-28 5006 San Mateo Pescadero Creek Watershed, Bean Hollow Road 0.3 mi south of Pescadero Road (SW of Pescadero). Slopes above Butano Creek 61 Comment
  SEINET10932599  Brodiaea elegans Walter 1919-6-9 Walter s.n. 1919 San Mateo Woodside Comment
  CAS-BOT-BC484344  Brodiaea elegans subsp. elegans Cherie Wetzel 1969-6-20 867 San Mateo Canada College, Redrood City, just off of Farm Hill Blvd. Comment
  CAS-BOT-BC484345  Brodiaea elegans subsp. elegans Ned Cahill 1974-5-30 323 San Mateo near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City. Comment
  POM169541  Brodiaea terrestris subsp. terrestris E. B. Copeland 1903-6-5 3297 San Mateo Montara Point. Comment
  UC1442900  Brodiaea terrestris subsp. terrestris Theodore F. Niehaus 1965-3-23 364 San Mateo e of Crystal Springs (100 yards e of San Mateo Juvenile Probation Center) Comment
  CAS-BOT-BC483184  Brodiaea terrestris subsp. terrestris George Oberlander 1950-4-16 683 San Mateo Sawyer Ridge Comment
  CAS-BOT-BC483185  Brodiaea terrestris subsp. terrestris Philip C. Wheeler 1965-5-25 s.n. San Mateo Brisbane Ridge, south of power lines, San Bruno Mountain Comment
  UCD57754  Bromus berteroanus Margaret Joy Marshall 1977-4-9 s.n. San Mateo San Mateo. Canada and Edgewood Rd. Comment
  CAS-BOT-BC148976  Bromus carinatus var. carinatus Lewis S. Rose 1956-5-7 56069 San Mateo Skyline Boulevard west of San Mateo. 182 Comment
  CAS-BOT-BC148978  Bromus carinatus var. carinatus John Thomas Howell 1960-4-20 35210 A San Mateo In garden of Frances Payne Stickney, Hillcrest Road, San Mateo. Comment
  CAS-BOT-BC149018  Bromus carinatus var. carinatus R. E. Frenkel 1963-12-7 329 San Mateo San Francisco Water District. Whiting Ridge Road, ca. 0.8 mile southwest of Spring Valley Road, at Fire Warden's Gate. Comment
  JROH4895  Bromus carinatus var. carinatus John Hunter Thomas 1977-6-16 18740 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC148763  Bromus carinatus var. marginatus V. F. Hesse 1964-5-26 3209 San Mateo Near (south of) Pigeon Point. 15 Comment
  CAS-BOT-BC156177  Bromus catharticus John Thomas Howell 1954-7-8 30010 San Mateo Skyline Boulevard above San Bruno. Comment
  CAS-BOT-BC155720  Bromus diandrus George Oberlander 1949-5-13 188 San Mateo San Francisco Watershed Reserve. San Andreas Valley. Comment
  JROH4909  Bromus diandrus John H. Thomas 1967-4-20 12704 B San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5628  Bromus diandrus John Rawlings 2013-4-9 1225 San Mateo Jasper Ridge Biological Preserve, Stanford University. Where the brick path ends at the visitor parking lot of the Sun Field Station. 120 Comment
  CDA1794  Bromus diandrus Wm. Davis 1958-5-13 San Mateo Joos Nursery, Colma 0 Comment
  CAS-BOT-BC155134  Bromus hordeaceus George Oberlander 1950-5-28 1000 San Mateo San Francisco Watershed Reserve. North boundary. Comment
  JROH4915  Bromus hordeaceus Duncan M. Porter 1960-4-29 667 San Mateo Jasper Ridge Biological Preserve, Stanford University. Meadow near crest of N-facing slope above Webb Ranch Comment
  JROH4921  Bromus hordeaceus John H. Thomas 1974-4-19 17163 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4927  Bromus hordeaceus W. Lennihan 1990-3-27 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Behind Searsville lab. Comment
  JROH4931  Bromus hordeaceus John Rawlings 2010-4-28 1093 San Mateo Jasper Ridge Biological Preserve, Stanford University. SW corner of Sun Field Station. 119 Comment
  SD30516  Bromus hordeaceus 1933-4-10 2 San Mateo Stanford University; Botany Garden Comment
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Apr 12 2012
  UCD58829  Bromus hordeaceus Beecher Crampton 1962-6-11 6504 San Mateo Sharp Park. Mori's Point Road just west of State Hwy. 1. Comment
  JROH4937  Bromus laevipes W. Lennihan 1990-4-20 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Eastern draw, 40 yards down. Comment
  JROH4953  Bromus madritensis subsp. rubens John Hunter Thomas 1992-4-23 25160 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Rattlesnake Rocks and along trail to redwoods Comment
  POM204676  Bromus marginatus H. F. Copeland 1903-6-10 1630 San Mateo Montara Point. Comment
  UCSC007724  Bromus maritimus Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC185396  Bromus vulgaris W. R. Dudley 1894-7-28 s.n. San Mateo Santa Cruz Mountain Peninsula. Between Pescadero and La Honda. Comment
  CAS-BOT-BC36872  Cakile edentula var. edentula W. R. Dudley 1897-10-10 s.n. San Mateo Near Pilar Point. Comment
  RSA26885  Cakile maritima R. C. Rollins 1941-7-19 2962 San Mateo Half Moon Bay. Comment
  CAS-BOT-BC36947  Cakile maritima var. maritima J. H. Thomas 1949-6-4 577 San Mateo 1.4 miles south of road to Pescadero. Comment
  RSA128368  Cakile maritima var. maritima P. H. Raven 1950-4-30 1965 San Mateo Montara. Comment
  CAS-BOT-BC36957  Cakile maritima var. maritima Saichi Kawahara 1968-6-15 439 San Mateo Pescadero Beach, 150 yards south of mouth of Pescadero Creek, Highway 1. 3 Comment
  RSA17938  Calamagrostis nutkaensis C. B. Wolf, Le Roy Abrams 1927-6-4 s.n. San Mateo Pescadero. Comment
  CAS-BOT-BC438532  Calandrinia ciliata Le Roy Abrams 1902-5-4 2406 San Mateo Woodside Comment
  CAS-BOT-BC438538  Calandrinia ciliata John H. Thomas 1971-5-2 15805 San Mateo Near intersection of Canada and Edgewater roads. About 4 miles SW of center of Redwood City. 304 Comment
  CHSC39803  Calandrinia ciliata Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  CAS-BOT-BC438536  Calandrinia ciliata Elizabeth McClintock 1967-4-16 s.n. San Mateo San Bruno Mountain. Buckeye Canyon. Comment
  JROH1639  Callitriche marginata John H. Thomas 1973-2-12 16452 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR101611  Calochortus albus George K. Helmkamp, E. A. Helmkamp 1998-5-16 3748 San Mateo Portola Valley, Golden Hills Rd along Los Trancos Creek 107 Comment
  UCR104959  Calochortus albus Tom Paradise 1993-5-3 11 San Mateo San Francisco Bay area, Woodside; Huddart County Park, along Kings Mountain Road, 3 - 4 mi east of Skyline Blvd. 116 Comment
  CAS-BOT-BC492201  Calochortus albus George Oberlander 1950-5-21 975 San Mateo Pilarcitos Canyon Comment
  CAS-BOT-BC492203  Calochortus albus W. R. Dudley 1894-4-21 s.n. San Mateo Side of hill near San Mateo ravine Comment
  CAS-BOT-BC492220  Calochortus albus Otto M. Sokol 1953-5-29 117 San Mateo Bear Creek Road Comment
  UCD78194  Calochortus argillosus Robert E. Preston 2008-6-11 2641 b San Mateo Between Lower Crystal Springs Reservoir and Skyline Blvd, ca. 0.5 mi NW of jct Skyline Blvd and Crystal Springs Rd 99 Comment
  SD39099  Calochortus coeruleus Marie Cummings 1933-5-23 114 San Mateo La Honda. Comment
  CAS-BOT-BC491979  Calochortus luteus Otto M. Sokol 1953-5-29 113 San Mateo Near Sharon Estate, along Sand Hill Road Comment
  JROH555  Calycadenia multiglandulosa James I. McMurphy 1909-6-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH559  Calycadenia multiglandulosa John H. Thomas 1959-8-22 8077 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH560  Calycadenia multiglandulosa Duncan M. Porter 1960-10-12 728 San Mateo Jasper Ridge Biological Preserve, Stanford University; SW edge of main meadow next to chaparral (near area C) Comment
  SEINET3480492  Calycadenia multiglandulosa L. S. Rose 1941-6-12 1897 San Mateo Emerald Lake, Emerald Lake, West of Redwood City 120 Comment
  RSA63100  Calystegia purpurata L. S. Rose 1950-5-20 50141 San Mateo Emerald Lake region, hills w. of Redwood City. 244 Comment
  CAS-BOT-BC224655  Calystegia purpurata subsp. purpurata Theo. C. Zschokke 1903-7-10 s.n. San Mateo Santa Cruz Mountain Peninsula. Goat Ranch Road, Corte de [Corte] Madera Cr. Comment
  CAS-BOT-BC224670  Calystegia purpurata subsp. purpurata Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo San Bruno Mountain Comment
  JROH1839  Calystegia purpurata subsp. purpurata John H. Thomas 1968-4-19 14294 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC224647  Calystegia purpurata subsp. purpurata Mary Helen Kelson 1956-6-2 229 San Mateo Page Mill Road, 3 miles from Skyline Boulevard 213 Comment
  CAS-BOT-BC436441  Calystegia subacaulis Lewis S. Rose 1956-5-28 56080 San Mateo Skyline Blvd west of San Mateo 182 Comment
  CAS-BOT-BC224349  Calystegia subacaulis subsp. subacaulis A. D. E. Elmer 1903-6-1 4826 San Mateo Crystal Springs Lake Comment
  NY679557  Camissonia cheiranthifolia subsp. cheiranthifolia A. D. E. Elmer 03 1903 4942 San Mateo San Pedro. Comment
  POM32415  Camissonia micrantha A. D. E. Elmer 1903-05 4813 San Mateo San Pedro. Comment
  POM49683  Camissonia ovata L. R. Abrams 1902-4-6 2316 San Mateo Portola Comment
  CAS-BOT-BC160329  Camissoniopsis cheiranthifolia subsp. cheiranthifolia John H. Thomas 1963-5-20 10108 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  SD38657  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Edith A. Purer 1934-8-14 5916 San Mateo Half Moon Bay. Comment
  UCSC007727  Camissoniopsis micrantha Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  POM204507  Campanula prenanthoides I. L. Wiggins 1929-7-4 3779 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  POM60089  Campanula prenanthoides A. D. E. Elmer 1903-06 4283 San Mateo Pescadero Creek Comment
  SEINET10463044  Campanula prenanthoides Rose 1953-7-27 Rose 53054 San Mateo Kings Mountain, redwood forest. 610 Comment
  SEINET10463045  Campanula prenanthoides Randall 1907-6-29 RANDALL 17 San Mateo King's Mountain Road Comment
  SEINET10463047  Campanula prenanthoides Leitholt 1894-7-28 LEITHOLT s.n. San Mateo La Honda Road Comment
  SEINET10463048  Campanula prenanthoides David D. Keck 1934-7-7 Keck 2929 San Mateo Kings Mountain, west of summit 610 Comment
  SEINET10463189  Campanula prenanthoides Gray 1872-1 GRAY s.n. San Mateo SANTA CRUZ REDWOODS Comment
  SEINET10463364  Campanula prenanthoides Elvander 1970-7-5 ELVANDER 287 San Mateo 1 mile on Water Pant road from intersection with entrance to Butano State Park. Sandy loam, redwood forest. 152 Comment
  JROH1474  Capsella bursa-pastoris John Hunter Thomas 1978-5-9 19196 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC37163  Capsella bursa-pastoris George Oberlander 1949-5-13 169 San Mateo San Francisco Watershed. North boundary. Comment
  JROH1472  Capsella bursa-pastoris John H. Thomas 1975-4-5 17710 San Mateo Jasper Ridge Biological Preserve, Stanford University 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-BC37677  Cardamine californica A. D. E. Elmer 1903-4-1 4468 San Mateo Portola. Comment
  CAS-BOT-BC37687  Cardamine californica Lewis S. Rose 1936-3-11 36021 San Mateo Kings Mountain. 304 Comment
  CAS-BOT-BC37690  Cardamine californica Oliver W. Norvell 1931-2-28 1356 San Mateo Kings Mountain Grade. Comment
  JROH1481  Cardamine californica D. D. Davis 1903-4-5 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Ridge Comment
  CAS-BOT-BC37665  Cardamine californica Elizabeth McClintock 1972-4-23 s.n. San Mateo San Bruno Mountains. Above Fern Rock. Comment
  JEPS90450  Cardamine californica var. integrifolia Dean W. Taylor 1992-3-19 12335 San Mateo Montara Mt. in saddle just e. San Pedro Mt. (reached via old paved rd. from San Pedro Valley, along ridge at BM 924); Santa Cruz Mts., Montara Mt. 7 1/2 Quad. (1980) 274 Comment
  CAS-BOT-BC37986  Cardamine oligosperma John H. Thomas 1963-5-20 10119 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles northwest of Santa Cruz. Comment
  JROH1487  Cardamine oligosperma Le Roy Abrams 1901-3-1 1118 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Comment
  CAS-BOT-BC37976  Cardamine oligosperma Walter Knight; Irja Knight 1965-3-21 959 San Mateo San Bruno Mountain. Ramanzoffia Ravine. Comment
  CAS-BOT-BC37991  Cardamine oligosperma Javier Penalosa 1963-3-9 2686 San Mateo San Bruno Mountain. Ravine 0.5 mile east of 1314 foot summit. 304 Comment
  JROH1502  Cardamine oligosperma John Hunter Thomas 1989-4-20 24641 A San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  CAS-BOT-BC18186  Carex W. R. Dudley 1899-4-13 s.n. San Mateo San Francisquito Creek below Cedro Cottage Bridge, Stanford University. Comment
  CAS-BOT-BC17850  Carex amplifolia W. R. Dudley 1906-6-8 s.n. San Mateo The Santa Cruz Mountain Peninsula. In Squealer Gulch above water trough. Comment
  JROH4313  Carex barbarae John H. Thomas 1974-5-3 17240 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC19542  Carex bolanderi Lewis S. Rose 1933-6-23 33253 San Mateo Kings Mountain. Comment
  SEINET7552599 Image available Carex bolanderi Lewis S. Rose 1933-6-23 s.n. San Mateo Kings Mountain Steams. Comment
  CAS-BOT-BC34071  Carex brevicaulis W. R. Dudley 1900-3-17 s.n. San Mateo The Santa Cruz Mountain Peninsula. Field north of Seal Cove. Comment
  CAS-BOT-BC18930  Carex densa LeRoy Abrams 1902-5-11 2444 San Mateo Crystal Springs. Comment
  CAS-BOT-BC18940  Carex densa W. R. Dudley 1910-5-26 s.n. San Mateo Santa Cruz Mountain Peninsula. Coal Mine Ridge, near Black Mountain. Comment
  JROH4328  Carex densa John H. Thomas 1967-6-1 12946 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM193987  Carex densa W. R. Dudley 1896-4-4 s.n. San Mateo Santa Cruz Mountain Peninsula; Near Summit Springs, Kings Mt. Comment
  UC823332  Carex densa John Thomas Howell 1938-5-1 13786 San Mateo near South San Francisco Comment
  UC824434  Carex densa W. R. Dudley 1896-4-4 San Mateo near Summit Springs, Kings Mountain Comment
  RSA88794  Carex densa Alice Eastwood, John Thomas Howell 1937-5-7 4328 San Mateo Visatacion Valley. Comment
  SEINET3128102  Carex densa Unknown 1902-5-11 2444 San Mateo Crystal S? Comment
  UCD140265  Carex densa John Thomas Howell 1938-5-1 13785 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
  CAS-BOT-BC28411  Carex gracilior W. R. Dudley 1900-3-17 s.n. San Mateo A field N of Seal Cove Comment
  SEINET7560149 Image available Carex gracilior Charles Piper Smith 1905-4-26 874 San Mateo Portola Searsville Lake. 98 Comment
  JROH4349  Carex harfordii John Rawlings 2009-5-13 1055 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
  RSA789960  Carex harfordii Peter Rubtzoff 1975-5-21 7968 San Mateo San Bruno Mtns: Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  CAS-BOT-BC119445  Carex nudata D. D. Davis 1903-4-1 s.n. San Mateo San Francisquito Creek. Comment
  CAS-BOT-BC119444  Carex nudata W. L. Scofield 1908-4-2 s.n. San Mateo Near Roble Bridge, Stanford University Comment
  JROH4356  Carex nudata John Hunter Thomas 1979-6-12 19587 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  CAS-BOT-BC119344  Carex obnupta J. H. Thomas 1959-4-4 7658 San Mateo Ca 0.7 mi S of Gazos Creek. Ca 6.5 mi S from Pescadero. 45 Comment
  CAS-BOT-BC119345  Carex obnupta W. R. Dudley 1896-4-17 s.n. San Mateo Pebble Peach Pasture, Pescadearo, Santa Cruz Mountain. Comment
  JROH4362  Carex subbracteata John Rawlings 2010-5-19 1053 San Mateo Jasper Ridge Biological Preserve, Stanford University. At west edge of California semaphore grass vernal depression. 122 Comment
  POM248568  Carex subbracteata Alice Eastwood, John Thomas Howell, J. W. Stacey 1938-4-24 5256 San Mateo Pescadero. Comment
  UC836144  Carex subbracteata John Thomas Howell 1938-5-1 13778 San Mateo near South San Francisco Comment
  RSA100974  Carex subbracteata G. Oberlander 1950-4-22 633 San Mateo Pilarcitos Canyon, San Francisco Watershed Reserve. Comment
  RSA789962  Carex subbracteata Peter Rubtzoff 1976-6-30 8707 San Mateo San Bruno Mtns: Saddlle area on north side of Guadalupe Canyon Parkway west of Radio Road junction, westernmost part of the area. Comment
  CAS-BOT-BC115515  Carex tumulicola W. R. Dudley 1894-5-1 s.n. San Mateo Woodside to Crystal Springs. Comment
  CAS-BOT-BC115514  Carex tumulicola W. R. Dudley 1894-5-1 s.n. San Mateo Between Woodside and Crystal Springs. Comment
  LA209094  Castilleja affinis A. A. Heller; 1907-4-20 8442 San Mateo Near Lake Merced 60 Comment
  POM15426  Castilleja affinis C. F. Baker 1903-4-12 505 San Mateo San Gregorio. Comment
  POM15460  Castilleja affinis C. F. Baker 1902-5-1 777 San Mateo Crystal Springs Lake. Comment
  JEPS86227  Castilleja affinis subsp. affinis L. R. Heckard 1970-5-5 2452 San Mateo n side San Bruno Mountain (n spur) 60 Comment
  JROH3938  Castilleja affinis subsp. affinis John H. Thomas 1955-5-6 5013 San Mateo Jasper Ridge Biological Preserve, Stanford University 182 Comment
  JROH3940  Castilleja affinis subsp. affinis John H. Thomas 1961-4-29 9187 B San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3949  Castilleja affinis subsp. affinis John Hunter Thomas 1983-4-14 21401 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1032440  Castilleja affinis subsp. affinis H. S. Yates 1935-5-8 5201 San Mateo 2 mi n Langley Hill; Santa Cruz Quad. 579 Comment
  JEPS103888  Castilleja affinis subsp. affinis T. I. Chuang 1991-7-6 7862 San Mateo 3 mi E of Fort Bragg, on route 20 Comment
  JEPS47393  Castilleja affinis subsp. affinis L. R. Heckard 1964-6-24 1400 San Mateo along upper part of Monterey Road Pacifica Comment
  JEPS47424  Castilleja affinis subsp. affinis L. R. Heckard 1964-7-15 1422 San Mateo about 2 mi below Skyline Boulevard (along Tunitas Road) 518 Comment
  UCSC005957  Castilleja ambigua Randall Morgan 1995-6-6 2724 San Mateo Common at Bean Hollow State Beach Comment
  JEPS9140  Castilleja ambigua subsp. ambigua N. L. Gardner 1914-7-11 San Mateo Moss Beach Comment
  JROH3955  Castilleja attenuata John H. Thomas 1967-5-10 12857 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3956  Castilleja attenuata John H. Thomas 1973-4-14 16562 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3964  Castilleja attenuata John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET7063806  Castilleja brevistyla A. G. Vestal 1947-4-24 s.n. San Mateo Enclosure at jasper Ridge. UTM Zone 10, 568421mE, 4140420mN. (WGS84/NAD83). 174 Comment
  UCR136714  Castilleja densiflora L. S. Rose 1948-5-16 48113 San Mateo San Francisco Bay Region, Emerald Lake, hills west of Redwood City 152 Comment
  JROH3973  Castilleja densiflora subsp. densiflora Robert Robertson 1954-4-23 93 San Mateo Jasper Ridge Biological Preserve, Stanford University 170 Comment
  JROH3980  Castilleja densiflora subsp. densiflora John Hunter Thomas 1978-4-25 19149 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1012313  Castilleja exserta F. W. Pennell and L. R. Abrams 1940-5-16 25432 San Mateo 2 mi sw Skyline Boulevard (on Alpine Creek Road) 579 Comment
  JEPS19713  Castilleja exserta subsp. latifolia Peter H. Raven 1957-6-24 10970 San Mateo Pebble Beach Comment
  CHSC39846  Castilleja foliolosa Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  RSA15299  Castilleja foliolosa Carl B. Wolf 1927-4-3 269 San Mateo 1 mile above La Honda. Santa Cruz Mountains. Comment
  NY68073  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
  RSA294162  Castilleja franciscana Robert A. Norris, John L. Inase, Allen Nakagawa 1981-7-25 4228 San Mateo Along footpath 70 ft above a marshy lagoon border, N of mouth of Pescadero Creek, Pescadero State Beach. Comment
  SEINET12288716  Castilleja latifolia Unknown 1932-1 8989 San Mateo between Sky Line Drive & Half Moon Bay Comment
  JROH3995  Castilleja rubicundula subsp. lithospermoides John H. Thomas 1961-4-29 9188 San Mateo Jasper Ridge Biological Preserve, Stanford University; at western end of serpentine outcroppings Comment
  JROH3996  Castilleja rubicundula subsp. lithospermoides John H. Thomas 1969-5-28 15092 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4003  Castilleja rubicundula subsp. lithospermoides John Hunter Thomas 1981-4-23 20477 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
  UC311191  Castilleja subinclusa subsp. franciscana A. D. E. Elmer May 1903 4527 San Mateo San Bruno Hills Comment
  JEPS103891  Castilleja subinclusa subsp. franciscana T. I. Chuang and F. M. Chuang 1991-7-3 7859 San Mateo 0.8 mile SW from junction of Interstate 280 and rt. 92 on rt. 92 Comment
  CAS-BOT-BC32579  Castilleja wightii Adolph Daniel Edward Elmer 1903-7-1 4761 San Mateo San Pedro Comment
  JEPS29412  Castilleja wightii L. R. Heckard 1961-7-16 1259 San Mateo near San Bruno Mt. summit (ne of transmitting station KQED); San Bruno Mt. 335 Comment
  JEPS8516  Castilleja wightii Elsie M. Zeile 1925-3-22 San Mateo Colma Canyon Comment
  UC1039783  Castilleja wightii H. L. Mason 1927-4-24 3699 San Mateo Mouth of San Gregorio Creek Comment
  UC198266  Castilleja wightii Katharine Brandegee 1917-7-22 San Mateo Mussel Rock Station, Ocean Shore R.R. Comment
  UC76054  Castilleja wightii Harley P. Chandler 1901-3-15 813 San Mateo w of Colma Comment
  JEPS103881  Castilleja wightii T. I. Chuang and F. M. Chuang 1991-7-1 7846 San Mateo 1.1 mile N or Montara Comment
  OBI78360  Castilleja wightii Lewis S. Rose 1965-4-22 65026 San Mateo San Bruno Mtn, S of parking lot 366 Comment
  POM283640  Castilleja wightii Lyman Benson 1930-4-7 2046 San Mateo Moss Beach. Pacific Ocean Bluffs. 15 Comment
  RSA18294  Castilleja wightii Carl B. Wolf 1927-6-21 423 San Mateo East slope of Kings Mt. Comment
  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
  RSA505397  Castilleja wightii R. C. Bacigalupi, G. Thomas Robbins 1955-8-4 5451 San Mateo Along Skyline Blvd. (Calif. Highway No. 5) just west of Crystal Springs Lake (south lake); at a point 6.2 miles north of the junction with Kings Mtn. (not the La Honda) road. 396 Comment
  RSA517381  Castilleja wightii L. R. Heckard, R. C. Bacigalupi 1963-7-2 1330 San Mateo Along old country road over San Pedro and Montara mountains; northern flank of San Pedro Mt. 152 Comment
  CAS-BOT-BC39382  Caulanthus lasiophyllus Fred Hemphill 1973-4-15 685 San Mateo North of Malabar Road and Melendy Drive. 207 Comment
  CAS-BOT-BC40396  Caulanthus lasiophyllus Walter Knight; Irja Knight 1965-5-9 1103 San Mateo San Bruno Mountain. In Devil's Arroyo. Comment
  POM136267  Ceanothus X regius C. F. Baker 1902-5-10 804 San Mateo Kings Mountain. Comment
  CAS-BOT-BC48305  Ceanothus cuneatus W. R. Dudley 1894-3-1 s.n. San Mateo Ridge between Los Trancos Creek and San Francisquito Creek Comment
  CAS-BOT-BC48397  Ceanothus cuneatus var. cuneatus Mrs. Campbell; Mrs. Miere 1920-3-1 s.n. San Mateo Los Altos Comment
  JROH3524  Ceanothus cuneatus var. cuneatus John H. Thomas 1975-5-2 17848 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA169355  Ceanothus cuneatus var. dubius L. S. Rose 1964-3-23 64011 San Mateo Emerald Lake, hills W of Redwood City. 122 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
  CAS-BOT-BC51605  Ceanothus oliganthus var. sorediatus Brandegee 1889-4-1 38 San Mateo Mts. bet. San Francisco and Santa Cruz Comment
  CAS-BOT-BC51245  Ceanothus papillosus Josephine D. Randall 1907-4-27 317 San Mateo Santa Cruz Peninsula - King's Mountain Comment
  CAS-BOT-BC52274  Ceanothus thyrsiflorus C. F. B. 1902-4-12 511 San Mateo La Honda Comment
  CAS-BOT-BC52284  Ceanothus thyrsiflorus L. R. A. 1901-4-20 1549 San Mateo King's Mountain Comment
  CAS-BOT-BC52299  Ceanothus thyrsiflorus W. R. Dudley 1894-3-25 s.n. San Mateo By road from San Gregorio to Pescadero Comment
  CAS-BOT-BC52308  Ceanothus thyrsiflorus Josephine D. Randall 1907-6-8 320 San Mateo Portola Valley Comment
  RSA153472  Ceanothus thyrsiflorus John H. Thomas 1961-5-7 9295 San Mateo San Bruno Mountain in northern part of county. 305 Comment
  RSA122365  Ceanothus thyrsiflorus N. K. Carlson 1935-7-5 60 San Mateo 3 miles S of Bellvale. 91 Comment
  SEINET12210826  Ceanothus thyrsiflorus W. Knight, Knight, I. 1982-1 4469 San Mateo Tilden Botanic Garden, Berkeley Comment
  UCSB3905  Ceanothus thyrsiflorus var. griseus Walker, Clifford 1954-4-20 San Mateo Woodside Rd. 1 mi. E. Woodside 2 Comment
  JROH594  Centaurea calcitrapa John Hunter Thomas 1989-5-9 24702 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC274591  Centaurea calcitrapa A. D. E. Elmer 1903-7-1 4961 San Mateo Crystal Springs Lake Comment
  SEINET11860702  Centaurea calcitrapa E. A. Purer 1933-8-13 5423 San Mateo Santa Clara Valley, near Belmont Comment
  JROH598  Centaurea melitensis John H. Thomas 1962-6-10 9909 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC277128  Centaurea melitensis John H. Thomas 1963-7-19 10199 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  SJSU15418  Centaurium tenuiflorum Toni Corelli 2011-8-25 708 San Mateo Ano Nuevo State Park, Cove Beach 7 Comment
  CAS-BOT-BC272815  Centromadia parryi subsp. parryi James McMurphy 1908-10-18 s.n. San Mateo Cooley's Landing Comment
  CAS-BOT-BC279329  Centromadia pungens subsp. pungens L. R. Abrams 1903-9-27 4017 San Mateo Menlo Park Comment
  CAS-BOT-BC279332  Centromadia pungens subsp. pungens Alice Eastwood 1919-9-1 s.n. San Mateo San Mateo Comment
  SBBG32413  Centromadia pungens subsp. pungens L. S. Rose 1965-9-20 San Mateo Burlingame, Trousdale Dr and California Drive 9 Comment
  UC1080532  Centromadia pungens subsp. pungens Sherwin Cariquist 1957-7-5 411 San Mateo 4 mi s of San Carlos; Highway 101 (Bayshore Highway) Comment
  CAS-BOT-BC388391  Cerastium glomeratum Fred Hemphill 1973-3-17 618 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  JROH1692  Cerastium glomeratum John H. Thomas 1969-4-20 14897 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC388393  Cerastium glomeratum Margaret A. Barry 1937-5-15 89 San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC400169  Ceratophyllum demersum W. R. Dudley 1909-10-4 s.n. San Mateo Santa Cruz Mountain Peninsula. W. twin-pond near Mussel Rock Comment
  RSA112373  Cercocarpus betuloides James I. McMurphy 1906-4-4 18 San Mateo Los Francos Creek, Santa Cruz Mts Comment
  JROH3616  Cercocarpus betuloides var. betuloides L. R. Abrams 1916-2-22 7242 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake Comment
  JROH3631  Cercocarpus betuloides var. betuloides John Hunter Thomas 1989-5-30 24754 San Mateo Jasper Ridge Biological Preserve, Stanford University. Knoll to the west of the dam Comment
  JROH1947  Chamaesyce maculata John Hunter Thomas 1990-7-28 24939 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA176411  Chenopodium ambrosioides var. ambrosioides John H. Thomas 1964-10-2 10514 a San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Edge of Searsville Lake near Bridge. Comment
  JROH1820  Chenopodium californicum D. E. Breedlove 1971-5-11 19334 San Mateo Jasper Ridge Biological Preserve, Stanford University; at Pinon Road along fence Comment
  UC1076471  Chenopodium multifidum Herbert L. Mason 1924-10-19 1115 San Mateo Colma Comment
Read comments
Apr 6 2009
  POM164765  Chenopodium murale C. F. Baker 1902-9-2 1549 San Mateo Crystal Springs Lake. Comment
  JROH1829  Chenopodium vulvaria Ann Lambrecht, Carol Zabel 2005-8-24 19 San Mateo Jasper Ridge Biological Preserve, Stanford University; Bear Creek crossing, east bank Comment
  CAS-BOT-BC497723  Chlorogalum pomeridianum Fred Hemphill 1973-5-14 818 San Mateo San Carlos, Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC499311  Chlorogalum pomeridianum var. divaricatum J. H. Thomas 1958-6-11 s.n. San Mateo About 4.3 miles due east of Belmont near Crystal Springs Reservoir 91 Comment
  JROH4649  Chlorogalum pomeridianum var. pomeridianum John H. Thomas 1975-6-5 17933 San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack Comment
  RSA18265  Chlorogalum pomeridianum var. pomeridianum Carl B. Wolf 1927-6-27 458 San Mateo Los Troncos Creek, 2 mi back of Stanford University Comment
  POM165065  Chorizanthe cuspidata var. cuspidata A. D. E. Elmer 1903-05 s.n. San Mateo San Pedro Comment
  SEINET3828530 Image available Chorizanthe cuspidata var. marginata A. D. E. Elmer 1903-1 4828 San Mateo San Pedro. Comment
  JEPS78655  Chrysolepis chrysophylla Edward Lee 1936-1-26 1727 San Mateo 4.5 mi out Woodside (Kings Mountain Road, e side of Cahill Ridge); Cahill Ridge Comment
  RSA118979  Chrysolepis chrysophylla Oliver W. Norvell 1931-2-22 1320 San Mateo Kings Mt. Road. Comment
  JROH2582  Cicendia quadrangularis John H. Thomas 1961-4-29 9182 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2584  Cicendia quadrangularis John H. Thomas 1966-4-6 11554 San Mateo Jasper Ridge Biological Preserve, Stanford University 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-BC100942  Cirsium fontinale var. fontinale J. W. Congdon 1901-7-27 s.n. San Mateo Spring Valley Comment
  JEPS26070  Cirsium fontinale var. fontinale Lewis S. Rose 1959-6-18 59027 San Mateo near County Relief Home; Crystal Springs Lake 121 Comment
  JEPS80472  Cirsium fontinale var. fontinale L. R. Heckard 1981-5-25 5662 San Mateo nw of junction (freeway interchange) of State Highway 92 U.S. 280 (on e side of the s end of Lower Crystal Springs Reservoir); Lower Crystal Springs Reservoir Comment
  UC175461  Cirsium fontinale var. fontinale W. N. Suksdorf 1913-6-22 113 San Mateo Crystal Springs Lake Comment
  UC30807  Cirsium fontinale var. fontinale Alice Eastwood 1897-6-1 San Mateo Crystal Springs Comment
  UC922264  Cirsium fontinale var. fontinale H. K. Sharsmith 1937-6-3 3951 San Mateo about 3 mi w of San Mateo (Crystal Springs Lake); Crystal Springs Lake 152 Comment
  CAS-BOT-BC280131  Cirsium occidentale var. venustum Margaret A. Barry 1937-7-17 201 San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC280133  Cirsium occidentale var. venustum George Oberlander 1949-6-25 251 San Mateo San Francisco Watershed Reserve. East of Sawyer Ridge Comment
  RSA18266  Cirsium occidentale var. venustum C. B. Wolf 1927-6-27 457 San Mateo Los Troncos Creek, 2 mi back of Stanford University. Comment
  CAS-BOT-BC280505  Cirsium quercetorum Roxana S. Ferris 1921-4-7 2144 San Mateo Santa Cruz Mountain Peninsula. San Bruno Mountain 213 Comment
  CAS-BOT-BC280530  Cirsium quercetorum John H. Thomas 1961-5-7 9271 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CDA1534  Cirsium quercetorum T. C. Fuller 1971-6-1 19882 San Mateo Crystal Springs Reservoir E shore, 0.3 mi. SE of center causeway; Belmont. Comment
  CAS-BOT-BC280504  Cirsium quercetorum L. R. Abrams 1918-4-30 7065 San Mateo Bayshore Road, San Bruno Hills Comment
  CAS-BOT-BC280513  Cirsium quercetorum Walter Knight; Irja Knight 1964-4-25 588 San Mateo San Bruno Mountain. Ridge near Nike base Comment
  CAS-BOT-BC285862  Cirsium vulgare Otto T. Solbrig 1958-8-3 2920 San Mateo On Highway 5, Crystal Spring Lake 30 Comment
  CAS-BOT-BC285866  Cirsium vulgare Ned Cahill 1974-10-8 380 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC285868  Cirsium vulgare Phillip C. Wheeler 1965-8-14 s.n. San Mateo San Bruno Mountain. Brisbane Lagoon Comment
  HSC24013  Cirsium vulgare Mary Katherine Wicksten 1971-6-30 142 San Mateo Huddart Park, by horse ring Comment
  RSA155840  Cirsium vulgare Peter H. Raven 1961-8-24 16585 San Mateo East side of Crystal Springs Lake Comment
  CAS-BOT-BC172089  Clarkia davyi Peter H. Raven 1959-6-1 14455 San Mateo Pigeon Point Comment
  CAS-BOT-BC172090  Clarkia davyi Alice Eastwood 1912-6-10 335 San Mateo Crystal Springs Comment
  JROH3005  Clarkia purpurea subsp. quadrivulnera John Hunter Thomas 1981-5-5 20537 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3006  Clarkia purpurea subsp. quadrivulnera John Rawlings, Ann Lambrecht 2011-6-22 0934 San Mateo Jasper Ridge Biological Preserve, Stanford University. North side of main ridge down slope from Escobar Gate. 130 Comment
  UC1536827  Clarkia purpurea subsp. quadrivulnera Gordon H. True Jr. 1936-6-14 504 San Mateo canyon s Salada Beach 304 Comment
  UC917332  Clarkia purpurea subsp. quadrivulnera W. A. Harvey and J. M. Tucker 1948-6-29 1710 San Mateo just w Highway 5 (Skyline Boulevard) (beside road to Portola State Park) Comment
  CAS-BOT-BC164565  Clarkia purpurea subsp. viminea Ned Cahill 1974-5-18 284 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City 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
  RSA176537  Clarkia purpurea subsp. viminea John H. Thomas 1963-6-23 10164 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles SW of Palo Alto Comment
  CAS-BOT-BC165149  Clarkia rubicunda Walter Knight; Walter Knight 1963-6-24 s.n. San Mateo Quarry 4 Comment
  CAS-BOT-BC165175  Clarkia rubicunda Hester R. Davis 1920-6-1 180 San Mateo Back of Redwood City Comment
  JEPS82913  Clarkia rubicunda Roy E. Buck, Randall A. Morgan 1983-6-7 335 San Mateo in triangle of Edgewood and Canada Rds. and Hwy. I-280, n of small watercourse San Francisco Watershed Reserve 158 Comment
  SD39467  Clarkia rubicunda Edith A. Purer 1932-7-16 San Mateo Near Halfmoon Bay. Comment
  UC1279951  Clarkia rubicunda Peter H. Raven 1957-6-30 11012 San Mateo near bridge Tunitas Creek (along State Highway 1) Comment
  CAS-BOT-BC165163  Clarkia rubicunda Peter H. Raven 1957-6-30 11012 San Mateo Near bridge over Tunitas Creek along state Highway 1 Comment
  CAS-BOT-BC165174  Clarkia rubicunda Peter H. Raven 1957-6-30 11017 San Mateo 3.0 miles from State Highway 5 (Skyline Boulevard) on road to Portola State Park Comment
  RSA118919  Clarkia rubicunda L. S. Rose 1957-7-6 57117 San Mateo Skyline Blvd. west of San Mateo 183 Comment
  RSA18311  Clarkia rubicunda Carl B. Wolf 1927-7-14 600 San Mateo Summit of Kings Mountain Rd. Comment
  RSA18508  Clarkia rubicunda Carl B. Wolf 1927-7-14 612 San Mateo Summit of Kings Mountain Rd. Comment
  SD56674  Clarkia rubicunda Darley F. Howe 1963-7-31 3648 San Mateo 3 miles North of Pacifica on #1, on sea bluff. Comment
  SDSU8697  Clarkia rubicunda D. F. Howe 1963-7-31 3648 San Mateo Sea bluff, 3 miles south of Pacifica on #1 Comment
  UC1279932  Clarkia rubicunda Peter H. Raven 1957-6-30 11013 San Mateo 1.8 mi n of bridge Pescadero Creek (State Highway 1) Comment
  RSA23202  Clarkia rubicunda subsp. blasdalei I. L. Wiggins 1938-7-9 8933 San Mateo Pigeon Point, about one half mile north of the Light House. Comment
  RSA108438  Clarkia rubicunda subsp. blasdalei Harlan Lewis, M. Lewis 1951-6-28 859 San Mateo 1.8 mile south of Sharp Park. Comment
  CAS-BOT-BC439289  Claytonia exigua subsp. exigua L. R. Abrams 1904-4-10 s.n. San Mateo Santa Cruz Mountain Peninsula. Road from Woodside to Crystal Springs near junction of Redwood City Road. Comment
  CAS-BOT-BC439290  Claytonia exigua subsp. exigua H. A. Dutton 1900-2-25 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  UCSC007733  Claytonia parviflora Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC439592  Claytonia parviflora subsp. parviflora W. R. Dudley 1896-4-17 s.n. San Mateo Pescadero Creek Comment
  JEPS121443  Claytonia perfoliata subsp. perfoliata Adam C. Schneider with C. Matt Guilliams 2013-2-2 2 San Mateo Crystal Springs Reservoir, 100 yards west from the intersection of Lexington Ave. and Allegheny Way, Highlands-Baywood Park, CA. Comment
  JROH3413  Clematis lasiantha John H. Thomas 1973-3-12 16490 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2872  Clinopodium douglasii John H. Thomas 1969-6-4 15110 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2881  Clinopodium douglasii John Hunter Thomas 1986-6-7 24087 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC499372  Clintonia andrewsiana J. H. Thomas 1954-4-3 3823 San Mateo Along San Gregorio Creek, 1.5 mi w of La Honda 106 Comment
  CAS-BOT-BC499369  Clintonia andrewsiana W. R. Dudley 1915-9-1 s.n. San Mateo El Corte de Madera Creek Comment
  UC729634  Collinsia heterophylla Carl B. Wolf 1929-5-17 3714 San Mateo 1 mi w of Skyline Boulevard (on Alpine Road); Alpine Road 304 Comment
  POM273510  Collinsia heterophylla Lyman D. Benson 1931-4-26 2759 San Mateo Behind Stanford U., Brookside Park, Santa Cruz mtn range. 244 Comment
  CAS-BOT-BC240932  Collinsia multicolor Elizabeth McClintock 1965-3-28 s.n. San Mateo San Bruno Mountain. In Devil's Arroyo Comment
  CAS-BOT-BC240929  Collinsia multicolor W. R. Dudley 1906-5-13 s.n. San Mateo Santa Cruz Mountain Peninsula. Hills S.W. of San Mateo Comment
  CAS-BOT-BC240936  Collinsia multicolor Miss E. Cannon No date on label s.n. San Mateo Hills near the Bay, South San Francisco Comment
  CHSC55725  Collomia heterophylla Steven Triano 1988-5-24 260 San Mateo Along Old La Honda Road ca 0.6 mi s of its jct. with Portola Road and 3.8 mi s of Woodside. 176 Comment
  JROH3139  Collomia heterophylla John H. Thomas 1961-5-5 9217 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below Searsville Dam 76 Comment
  POM65104  Collomia heterophylla L. R. Abrams 1901-05 1557 San Mateo Portola Comment
  RSA653552  Collomia heterophylla George K. Helmkamp, E. A. Helmkamp 1999-6-28 4978 San Mateo Pescadero Rd just N of Loma Mar. 107 Comment
  UC1348938  Conioselinum pacificum Robert F. Thorne and P. Everett 1963-6-9 32237 San Mateo top of San Bruno Mountain 335 Comment
  JROH210  Conium maculatum John H. Thomas 1969-5-28 15081 San Mateo Jasper Ridge Biological Preserve, Stanford University; edge of lake Comment
  JROH1854  Convolvulus arvensis John Hunter Thomas 1987-5-19 24298 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA0104570  Convolvulus arvensis Sandra M. Namoff 70 San Mateo Half Moon Bay, near Francis Beach State Park, on Kelly Ave SW of intersection with Hwy 1, easement. 18 Comment
  CAS-BOT-BC285995  Conyza bonariensis John H. Thomas 1961-8-27 9692 San Mateo Colma. Near intersection of El Camino Real and F Street 45 Comment
  CAS-BOT-BC285994  Conyza bonariensis Elizabeth McClintock; Walter Knight; Irja Knight 1967-8-1 s.n. San Mateo San Bruno Mountain. Along Hillside Blvd, southeast of Pig Ranch Ravine Comment
  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
  SEINET5796159 Image available Cordylanthus pilosus L. S. Rose 1941-1 41362 San Mateo Woodside. Comment
  JROH4032  Cordylanthus pilosus subsp. pilosus Carol Zabel 1989-8-7 20 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 12, near Mapache Gate Comment
  POM273538  Cordylanthus pilosus subsp. pilosus Lyman Benson 1934-7-28 6106 San Mateo Stanford University. Santa Cruz mtn range, S.F. Bay watershed. 152 Comment
  RSA51367  Cordylanthus rigidus subsp. rigidus L. S. Rose 1949-8-14 49163 San Mateo Emerald Lake, hills west of Redwood City. 122 Comment
  JROH4034  Cordylanthus rigidus subsp. rigidus Deane Bowers 1980-8-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University, outskirts just down the road from the Escobar entrance Comment
  RSA93120  Corethrogyne californica var. californica D. D. Keck 1932-5-25 1785 San Mateo E side of Crystal Springs Lake Comment
  JEPS30902  Corethrogyne filaginifolia J. H. Thomas 1958-6-11 7221 San Mateo about 4.3 mi due e of Belmont; Crystal Springs Reservoir 91 Comment
  UC87483  Corethrogyne filaginifolia C. F. Baker 1902-5-10 810 San Mateo Crystal Springs Lake Comment
  SEINET3161670  Cornus californica L. S. Rose 1939-5-5 39094 San Mateo San Mateo Canyon 46 Comment
  SEINET3407584 Image available Cornus sericea Lewis S. Rose 1939-5-5 39094 San Mateo San Mateo Canyon. 46 Comment
  SEINET12137024  Cornus sericea subsp. occidentalis J. I. McMurphy 1906-1 22 San Mateo Los Francos Creek, Santa Cruz Mts Comment
  JROH1865  Cornus sericea subsp. sericea John H. Thomas 1967-5-31 12933 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC539291  Cortaderia selloana John Rawlings; Ken Hickman 2016-10-15 1951 San Mateo Caltrans right-of-way upslope from Hwy 92 W onramp to Hwy 280 N 122 Comment
  JROH4975  Cortaderia selloana John Hunter Thomas 1982-7-3 21060 San Mateo Jasper Ridge Biological Preserve, Stanford University. Lake edge Comment
  CAS-BOT-BC180369  Corylus cornuta subsp. californica David D. Keck 1932-2-12 1362 San Mateo La Honda road, E slope of Coast Range above Searsville Lake 304 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
  LA204122  Corylus cornuta subsp. californica D. Keck; 1932-2-12 1362 San Mateo Santa Cruz Mountains, La Honda road, E-slope of Coast Range above Searsville Lake 300.0 Comment
  UCD110057  Corylus cornuta subsp. californica Franklin W. Martin; Madelain N. Martin 1960-3-26 47 San Mateo YMCA camp 10 miles east of Pescadero. 152 Comment
  POM270391  Corylus cornuta var. californica Lyman Benson 1931-2-28 2613 San Mateo Town: Woodside; Mt. Range: Santa Cruz; River: San Francisquito Cr. 183 Comment
  CAS-BOT-BC453503  Cotoneaster lacteus Elizabeth McClintock; Paul Reeberg 1988-4-26 s.n. San Mateo Colma Canyon; San Bruno Mountains Comment
  CAS-BOT-BC453501  Cotoneaster lacteus John H. Thomas 1968-10-6 14842 San Mateo Vicinity of railroad tracks and Dumbarton Bridge causeway entrance. East of Palo Alto. Comment
  CHSC27886  Cotula coronopifolia Susan Perkins 1978-3-24 7 San Mateo San Gregorio Beach, at jct Hwys 1 and 84. 30 yds s of San Gregorio Creek. 6 Comment
  RSA187304  Cotula coronopifolia John H. Thomas 1963-7-19 10193 San Mateo Ano Nuevo Island, about 0.5 mile off shore and about 20 mi. NW of Santa Cruz. Comment
  CAS-BOT-BC291460  Cotula coronopifolia Elizabeth McClintock; Paul Reeberg 1989-4-6 s.n. San Mateo Base of Owl Canyon, San Bruno Mountains 45 Comment
  POM312498  Cotula coronopifolia Malcolm A. Nobs, S. Galen Smith 1949-8-26 1591 San Mateo Marshes at the mouth of Pescadero Creek. Comment
  UCR121261  Cotula mexicana Don Pendleton 2002-4-8 s.n. San Mateo San Francisco Bay Region, Sharp Park Golf Course, Pacifica 15 Comment
  CAS-BOT-BC427606  Crassula aquatica George Oberlander 1949-8-20 374 San Mateo San Francisco Watershed Reserve. About San Andreas Lake Comment
  CAS-BOT-BC427608  Crassula aquatica Peter Rubtzoff 1965-10-19 5663 San Mateo Margin of Pilarcitos Lake Comment
  CAS-BOT-BC427829  Crassula connata John H. Thomas 1958-3-19 7053 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco. 91 Comment
  CAS-BOT-BC427832  Crassula connata John H. Thomas 1961-5-7 9260 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  CAS-BOT-BC427836  Crassula connata Elizabeth McClintock 1965-4-11 s.n. San Mateo San Bruno Mountain. Near Guadalupe Road in Crocker Hills. Comment
  CAS-BOT-BC427838  Crassula connata Ned Cahill 1975-2-21 407 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City. Comment
  UCSC007735  Crassula connata Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  UC1219869  Crocosmia X crocosmiiflora John H. Thomas 1961-8-27 9700 San Mateo w end San Bruno Mountain (n San Mateo County) 243 Comment
  CAS-BOT-BC389725  Croton setiger M. K. Wicksten 1971-7-20 148 San Mateo Huddart Pk. Comment
  SJSU15763  Cryptantha leiocarpa Toni Corelli 2010-5-17 627 San Mateo Pescadero State Beach and Marsh Natural Preserve, west side of Hwy. 1, along trail in dunes south of north parking lot 6 Comment
  JROH1365  Cryptantha micromeres John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA735619  Cupressus abramsiana subsp. butanoensis John Silba 2004-12-28 B- 421 San Mateo Pescadero County Park, on Butano Ridge, ca. 5 miles east of Dearborn Park Road. 427 Comment
  UC1303040  Cupressus macrocarpa J. H. Thomas 1964-6-19 10423 San Mateo 0.5 mi below Skyline Blvd. (on Half Moon Bay Road toward Crystal Springs Reservoir); Half Moon Bay Road Comment
  UC153904  Cuscuta salina var. major L. R. Abrams 1906-9-30 San Mateo Cooley's Landing 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-BC287333  Cynara cardunculus J. H. Thomas 1958-10-21 7487 San Mateo Near intersection of Bayshore Highway and Main St, Redwood City, near slough Comment
  UC1195195  Cynara cardunculus subsp. cardunculus John H. Thomas 1960-6-25 8800 San Mateo between railroad tracks and El Camino Real (along creek running into Redwood Slough, near Maple Street, Redwood City); Redwood City, Redwood Slough 7 Comment
  UC1195196  Cynara cardunculus subsp. cardunculus John H. Thomas 1960-6-25 8800 San Mateo near Maple Street (between El Camino Real and railroad tracks, along or near a small creek running into Redwood Slough); Redwood City, Redwood Slough Comment
  RSA120949  Cynara scolymus J. T. Howell 1956-11-14 31961 San Mateo Bayshore Highway just south of Main Street, Redwood City. Comment
  RSA141091  Cynara scolymus John H. Thomas 1960-6-25 8800 San Mateo Redwood City. Along or near a small creek running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street. 8 Comment
  JROH5003  Cynodon dactylon John H. Thomas 1973-6-10 16819 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1392  Cynoglossum grande John H. Thomas 1967-5-31 12941 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM128514  Cynoglossum grande L. R. Abrams 1902-4-6 2317 San Mateo Searsville. Comment
  CAS-BOT-BC114777  Cyperus acuminatus Ira L. Wiggins 1973-7-29 22046 San Mateo Bed of San Francisquito Creek, 50-200 m upstream from Pope Street Bridge. Comment
  JROH4389  Cyperus eragrostis John H. Thomas 1974-10-29 17647 San Mateo Jasper Ridge Biological Preserve, Stanford University. Small peninsula created by drainage channel cut to accommodate water from Corte Madera Cr. Comment
  CAS-BOT-BC114459  Cyperus eragrostis Ira L. Wiggins 1980-8-29 22264 San Mateo Bed of San Francisquite Creek, ca 200 m upstream from Pope Street bridge, Menlo Park Comment
  JROH4395  Cyperus erythrorhizos John Hunter Thomas 1979-9-9 19714 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4400  Cyperus erythrorhizos John Hunter Thomas 1988-10-17 24597 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  CAS-BOT-BC435184  Cypselea humifusa George Oberlander 1949-8-20 372 San Mateo San Francisco Watershed Reserve. Upper Crystal Spr. Lake Comment
  JEPS64797  Cytisus scoparius W. L. Jepson 1922-3-19 9534 San Mateo Millbrae 182 Comment
  CAS-BOT-BC198210  Cytisus striatus Elizabeth McClintock; Paul Reeberg 1989-9-4 s.n. San Mateo West end of industrial park, San Bruno Mountains Comment
  JROH5022  Dactylis glomerata John Hunter Thomas 1982-6-7 21031 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5024  Dactylis glomerata John Hunter Thomas 1985-5-21 23665 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near bridge Comment
  SJSU15434  Dactylis glomerata Toni Corelli 2010-5-17 674 San Mateo Pescadero State Beach and Marsh Natural Preserve, south of north parking lot 6 Comment
  CAS-BOT-BC445492  Damasonium californicum Alice Eastwood 1922-4-24 11200 San Mateo On road between Princeton and Morman Comment
  CAS-BOT-BC192233  Danthonia californica L. R. A. 1902-5-11 2451 San Mateo Crystal Springs Comment
  JROH5034  Danthonia californica Herbert Dengler unspecified s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. In grassland about 200' N.E of serp. Comment
  POM347040  Danthonia californica var. americana Lyman Benson 1930-4-26 2071 San Mateo Stanford University. 122 Comment
  UCD60673  Danthonia californica var. americana Ira L. Wiggins 1929-5-10 3673 San Mateo Coastal bluff at Pigeon Point. Comment
  UCD61017  Danthonia californica var. americana A. A. Beetle 1942-6-11 3516 San Mateo 5 miles south of San Bruno. Comment
  JROH4163  Datura stramonium John H. Thomas 1976-10-16 18409 San Mateo Jasper Ridge Biological Preserve, Stanford University. Now dry delta in Searsville Lake at the mouth of Corte de Madera Creek Comment
  SJSU15419  Datura stramonium Toni Corelli 2011-8-31 718 San Mateo Half Moon Bay east of of Hwy. 1 and south of Higgins Canyon Road 30 Comment
  JROH232  Daucus pusillus John Hunter Thomas 1991-5-2 25020 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM133419  Daucus pusillus E. B. Copeland 1903-6-8 3337 San Mateo Montara Point. Comment
Read comments
Jan 23 2011
  HSC23959  Daucus pusillus Mary Katherine Wicksten 1971-6-24 120 San Mateo Huddart Park, side of park entrance Comment
  JEPS30900  Deinandra corymbosa J. H. Thomas 1959-8-16 8067 San Mateo about 2 mi n of Pigeon Point 15 Comment
  JEPS59962  Deinandra corymbosa Lewis S. Rose 1969-8-22 69097 San Mateo Skyline and Half Moon Bay Road; Cahill Ridge 243 Comment
  OBI48631  Deinandra corymbosa Lewis S. Rose 1937-8-29 37644 San Mateo Moss Beach 15 Comment
  UC127291  Deinandra corymbosa Katharine Brandegee 1908-3-8 San Mateo San Pedro Pt. Comment
  SD30843  Deinandra corymbosa Marie Cummings 1933-6-5 2124 San Mateo Near Spring Valley Lake Comment
  UC1069489  Deinandra corymbosa G. E. Sindel 1935-7-25 305 San Mateo mouth Pescadero Creek 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-BC299202  Deinandra corymbosa subsp. corymbosa James I. McMurphy 1907-8-6 s.n. San Mateo Between Woodside and Crystal Springs Comment
  CAS-BOT-BC299227  Deinandra corymbosa subsp. corymbosa David D. Keck 1932-5-25 1784 San Mateo Hills two miles west of Belmont Comment
  CAS-BOT-BC9216  Delphinium californicum J. H. Thomas 1974-5-7 17322 San Mateo San Bruno Mountain, along Guadalupe Parkway opposite school, western side of mountain Comment
  CAS-BOT-BC9223  Delphinium californicum J. H. Thomas 1961-5-7 9279 San Mateo San Bruno Mountain in northern part of county 396 Comment
  JROH3428  Delphinium californicum subsp. californicum John H. Thomas 1969-5-28 15080 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC10285  Delphinium hesperium Joseph J. Schweitzer 1951-6-5 57 San Mateo Searsville Lake 121 Comment
  CAS-BOT-BC10293  Delphinium hesperium Elizabeth McClintock 1979-5-28 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  JROH3449  Delphinium hesperium subsp. hesperium John Hunter Thomas 1983-6-2 22330 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC136329  Delphinium nudicaule C. F. Baker 1902-5-10 795 San Mateo along banks King's Mt. Comment
  JROH3456  Delphinium patens subsp. patens John H. Thomas 1977-4-21 18540 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC7889  Delphinium variegatum LeRoy Abrams 1902-5-11 2454 San Mateo Crystal Springs Lake Comment
  POM177524  Delphinium variegatum W. R. Dudley 1896-4-4 s.n. San Mateo Near Crystal Springs Lake Comment
  RSA32657  Delphinium variegatum Doris K. Kildale 1930-4-21 9221 San Mateo Emerald Lake Comment
  SJSU19  Delphinium variegatum C. D. Duncan 1925-5-21 San Mateo S end Portola Valley Comment
  JROH3462  Delphinium variegatum subsp. variegatum Roger L. von Preissig 1954-4-23 25 San Mateo Jasper Ridge Biological Preserve, Stanford University 167 Comment
  CAS-BOT-BC192595  Deschampsia cespitosa subsp. holciformis Henry E. Wieser 1932-5-25 s.n. San Mateo Hills back of Burlingame on Hillside Drive Comment
  CAS-BOT-BC192594  Deschampsia cespitosa subsp. holciformis Harold E. Stark 1959-6-4 s.n. San Mateo S. F. Watershed and Wildlife Refuge 1/2 mi. w. San Bruno, N. end of Lake San Andreas Comment
  UCD63821  Deschampsia cespitosa subsp. holciformis R. Tofsrud 1949-6-1 San Mateo Hwy. #5, ca. 6 mi. from S.F. Co. line. Comment
  JROH5045  Deschampsia danthonioides H. L. Mason 1921-5-13 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5046  Deschampsia danthonioides John H. Thomas 1957-4-16 6654 B San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5059  Deschampsia elongata John H. Thomas 1969-6-4 15115 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC901  Dicentra chrysantha George T. Ruddock Sept 1917 s.n. San Mateo San Carlos Peak Comment
  CLARK-A1528-683  Dicentra formosa William Horn, Jr. 1963-4-13 630413 #1 San Mateo Hillsborough 30 Comment
  UC137117  Dicentra formosa C. F. Baker 1902-3-22 344 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC500927  Dichelostemma capitatum Ned Cahill 1974-4-18 128 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  SEINET10533994  Dichelostemma capitatum Kimber 1918-4-25 KIMBER s.n. San Mateo Plants of the Santa Cruz Mountain Peninsula. Jasper Ridge. Serpentine. Comment
  SEINET10833780  Dichelostemma capitatum Charles F. Baker 1902-5-4 Baker 76 San Mateo Woodside, Calif. Common in places near rocky outcrops. Comment
  JROH4656  Dichelostemma capitatum subsp. capitatum John H. Thomas 1967-5-10 12843 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  RSA3928  Dichelostemma capitatum subsp. capitatum Harry A. Dutton 1900-3-25 s.n. San Mateo The Santa Cruz Peninsula Comment
  JROH4662  Dichelostemma congestum John H. Thomas 1964-4-29 10333 San Mateo Jasper Ridge Biological Preserve, Stanford University. Oakwoodland near Searsville end of ridge Comment
  JROH4664  Dichelostemma congestum John Hunter Thomas 1977-6-16 18777 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC150443  Diplacus aurantiacus J. F. Emmel 1970-2-22 256 San Mateo 0.3 air mile SE of 1314 summit, on NE slope of San Bruno Mt. Comment
  JROH1908  Dipsacus sativus John H. Thomas 1964-11-15 10528 A San Mateo Jasper Ridge Biological Preserve, Stanford University; to the northeast of the dam Comment
  CAS-BOT-BC121859  Dirca occidentalis Lewis S. Rose 1933-6-9 33222 San Mateo San Andreas Lake Comment
  JROH4203  Dirca occidentalis John H. Thomas 1968-2-11 14144 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA3067  Dirca occidentalis Carl B. Wolf 1931-8-20 2324 San Mateo Los Trancos Creek, 2 miles back of Stanford University, near Schenkel's Camp. 91 Comment
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Jul 18 2011
  RSA392566  Dirca occidentalis L. S. Rose 1933-3-2 33002 San Mateo San Andreas Lake Comment
  UC860256  Disporum hookeri Lewis S. Rose 1939-5-5 39095 San Mateo San Mateo Canyon 45 Comment
  CAS-BOT-BC195721  Distichlis spicata Ray Pestrong 1963-11-8 s.n. San Mateo South San Francisco Bay, in the marsh near East Palo Alto, Dumbarton Bridge Comment
  UC38050  Distichlis spicata J. Burtt Davy 1893-6-17 San Mateo Belmont Comment
  CAS-BOT-BC128568  Dodecatheon E. A. McGregor 1908-3-9 s.n. San Mateo Coal Mine Ridge Comment
  JEPS30787  Dodecatheon clevelandii subsp. patulum G. Thomas Robbins 1937-4-11 89 San Mateo above San Mateo (on road to Woodside); above San Mateo Comment
  JROH3376  Dodecatheon clevelandii subsp. patulum Ellen Searby 1955-4-1 78 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5680  Dodecatheon hendersonii John Rawlings 2015-3-3 1314 San Mateo Jasper Ridge Biological Preserve, Stanford University; small opening off trail 8 in oak woodland. 126 Comment
  UC1019562  Dodecatheon hendersonii H. J. Thompson 1952-3-6 1516 San Mateo 2 mi w Woodside (Kings Mountain Road); , w of Woodside Comment
  RSA15250  Dodecatheon hendersonii Carl B. Wolf 1927-2-19 211 San Mateo Skyline Blvd. above Spring Valley Lakes, near where Belmont Road crosses Comment
  JROH1518  Draba verna John Hunter Thomas 1991-4-6 24975 San Mateo Jasper Ridge Biological Preserve, Stanford University; on west side of dam Comment
  CAS-BOT-BC159501  Drymocallis glandulosa var. glandulosa Catherine A. Toschi 1963-2-23 63 :28 San Mateo North slope San Bruno Mountains above Crocker Avenue 152 Comment
  CAS-BOT-BC159503  Drymocallis glandulosa var. glandulosa Elizabeth McClintock 1963-6-9 s.n. San Mateo Exposed slopes below top of mountain - San Bruno Mountain Comment
  JROH3735  Drymocallis glandulosa var. wrangelliana D. E. Breedlove 1971-5-31 19349 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH3736  Drymocallis glandulosa var. wrangelliana John H. Thomas 1973-6-15 16842 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA152261  Drymocallis glandulosa var. wrangelliana I. L. Wiggins 1925-04 1662 San Mateo On Kings Mtn Road three fourths of a mile above Woodside. Comment
  CAS-BOT-BC67892  Dryopteris arguta David D. Keck 1932-2-12 1361 San Mateo La Honda Road, east slope of Coast Range above Searsville Lake 304 Comment
  JROH29  Dryopteris arguta Lawrence J. Winship 1974-11-2 9 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH31  Dryopteris arguta Lawrence J. Winship 1974-11-16 21 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  SEINET10530141  Dryopteris arguta Mary Susan Taylor 1978-8-30 Taylor 1861 San Mateo Comment
  POM281632  Dryopteris expansa Lyman Benson 1930-5-26 2139 San Mateo Stanford University, Lake Searsville 152 Comment
  CAS-BOT-BC410867  Dudleya caespitosa Phipps 1922-7-1 s.n. San Mateo Tunitas Creek Comment
  JROH1807  Dysphania ambrosioides John H. Thomas 1964-10-2 10514 a San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH5086  Echinochloa crus-galli John H. Thomas 1976-10-16 18412 San Mateo Jasper Ridge Biological Preserve, Stanford University. Dry delta in Searsville Lake at the mouth of Corte de Madera Creek. Comment
  JROH5090  Echinochloa crus-galli John Hunter Thomas 1981-9-24 20749 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5099  Ehrharta erecta Ann Lambrecht 2003-11-5 7 San Mateo Jasper Ridge Biological Preserve, Stanford University. About 10 m downstream from low flow crossing, N side of stream. 81 Comment
  JROH1912  Elatine brachysperma John Hunter Thomas 1982-8-13 21137 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC112956  Eleocharis macrostachya Copeland 1903-3-1 3340 San Mateo Searsville Comment
  JROH5655  Eleocharis macrostachya John Rawlings 2014-5-23 1271 San Mateo Jasper Ridge Biological Preserve, Stanford University; up-slope from boat dock (aka Searsville Lab Landing). 104 Comment
  UC1811  Eleocharis macrostachya J. Burtt Davy 1893-6-21 764 San Mateo Lake San Andreas Comment
  CAS-BOT-BC112952  Eleocharis macrostachya Roxana S. Ferris 1920-9-3 2041 San Mateo Upper Mud Lake, Coalmine Ridge. Comment
  CAS-BOT-BC229011  Eleocharis palustris Elizabeth McClintock; Paul Reeberg 1989-4-6 s.n. San Mateo San Bruno Mountains. At the base of Owl Canyon 45 Comment
  POM144786  Eleocharis palustris A. D. E. Elmer 1903-07 4767 San Mateo San Pedro. Comment
  RSA580523  Elymus glaucus H. F. Copeland 1929-7-4 1241 San Mateo La Honda Grade Comment
  CAS-BOT-BC203680  Elymus glaucus subsp. glaucus Phillip Wheeler 1965-6-19 s.n. San Mateo San Bruno Mountain. Crystal Cave Canyon east of quarry 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
  JROH5114  Elymus glaucus subsp. virescens John Rawlings 2009-9-16 1017 San Mateo Jasper Ridge Biological Preserve, Stanford University. A few yards uphill of Trail a, about 35 yards from the lower Trail a terminus, near a large rock outcrop at the serpentine contact. 91 Comment
  CAS-BOT-BC235209  Elymus multisetus David D. Keck 1932-5-6 1469 San Mateo Belmont Comment
  SJSU15851  Elymus trachycaulus subsp. trachycaulus John Rawlings, Ken Hickman 2015-6-8 1579 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
  CDA2063  Elytrigia repens R. G. Lauder 1958-10-2 1451 San Mateo San Mateo. 0 Comment
  JROH3043  Epilobium brachycarpum John H. Thomas 1972-8-18 16152 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU15818  Epilobium brachycarpum John Rawlings, Ken Hickman 2016-7-21 1905 San Mateo Serpentine seep area up-slope from the Hwy 92 west onramp to Hwy 280 north; near a concrete drainage ditch a few yards down-slope from the San Francisco Watershed boundary fence 122 Comment
  UC873502  Epilobium brachycarpum Roxana Stinchfield 1915-10-14 261 San Mateo Cedro Villa Stanford University Comment
  RSA184928  Epilobium brachycarpum L. S. Rose 1966-8-6 66077 San Mateo San Bruno Mountain, head of Colma Canyon 213 Comment
  CAS-BOT-BC166142  Epilobium canum subsp. canum Walter Knight; Irja Knight 1965-5-15 1112 San Mateo Pig Ranch Ravine. Up about half way on south facing slope 213 Comment
  RSA184862  Epilobium canum subsp. canum L. S. Rose 1965-9-4 65099 San Mateo Skyline Blvd and half Moon Bay Road, Cahill Ridge 244 Comment
  UC1122298  Epilobium canum subsp. canum G. E. Sindel 1935-8-19 335 San Mateo 1 mi sw Langley Hill; Santa Cruz Quadrangle Comment
  UC873365  Epilobium ciliatum subsp. watsonii Alice Eastwood 1912-6-3 215 San Mateo Granada Comment
  JROH3061  Epilobium densiflorum John H. Thomas 1971-8-7 16018 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC136743  Epilobium minutum C. F. Baker 1902-5-4 749 San Mateo Woodside Comment
  JROH3070  Epilobium minutum John H. Thomas 1963-5-15 10092 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA39515  Epipactis helleborine C. M. Sill 1975-8-4 s.n. San Mateo Woodside, 439 Glenwood Ave. 0 Comment
  JROH60  Equisetum arvense John Hunter Thomas 1983-5-3 21879 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low-flow crossing Comment
  CAS-BOT-BC57598  Equisetum telmateia Elizabeth McClintock 1965-3-28 s.n. San Mateo Devil's Arroyo Comment
  CAS-BOT-BC57601  Equisetum telmateia Ira L. Wiggins 1931-3-15 5103 San Mateo between Skyline Boulevard and La Honda Comment
  CAS-BOT-BC57604  Equisetum telmateia Ira L. Wiggins 1931-3-15 5103 San Mateo between Skyline Blvd. and La Honda Comment
  JROH71  Equisetum telmateia subsp. braunii John Hunter Thomas 1979-9-9 19717 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC150823  Equisetum telmateia subsp. braunii C. F. Baker 1902-3-18 324 San Mateo w side King's Mt. Comment
  RSA20414  Equisetum telmateia var. braunii I. L. Wiggins 1931-3-15 5103 San Mateo Between Skyline Blvd and La Honda. Comment
  SEINET3866732  Equisetum telmateia var. braunii L. Thorne, N. Thorne 1990-7-4 14 San Mateo Butano Canyon above Pescadero.; 0 Comment
  SJSU15447  Eragrostis curvula John Rawlings 2009-5-1 1048 A San Mateo This ornamental grass appeared along a short stretch of San Hill Rd. at the entrance to the Horse Park at Woodside. 119 Comment
Read comments
Feb 18 2015
  CAS-BOT-BC204641  Eragrostis mexicana subsp. virescens John H. Thomas 1971-10-27 16028 San Mateo Near intersection of Alpine Road and Interstate Highway 280, behind the Stanford Campus Comment
  JROH5141  Eragrostis pectinacea var. pectinacea John H. Thomas 1974-10-29 17646 San Mateo Jasper Ridge Biological Preserve, Stanford University. Small peninsula created by drainage channel cut to accommodate water from Corte Madera Cr. Comment
  JROH5147  Eragrostis pectinacea var. pectinacea John Rawlings 2012-7-27 1124 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near the NE corner of the Caretaker's Residence by the garden fence and the blackberry bush. 106 Comment
  CAS-BOT-BC299884  Erechtites glomeratus Fred Hemphill 1973-5-14 804 San Mateo North of Malabar Road and Melendy Drive, San Carlos 207 Comment
  CAS-BOT-BC299885  Erechtites glomeratus Robert F. Thorne; P. Everett 1963-6-9 32212 San Mateo Near TV tower on top of San Bruno Mountain 335 Comment
  JEPS112717  Eriastrum abramsii Dean W. Taylor 1994-5-10 14261 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
  UCR126191  Erica canaliculata H. Schironi 1979-1-18 s.n. San Mateo Near Half Moon Bay Comment
  SD40104  Ericameria ericoides subsp. ericoides Edith A. Purer 1933-8-25 5511 San Mateo Skyline Drive Comment
  JROH646  Erigeron bonariensis John H. Thomas 1976-10-16 18411 San Mateo Jasper Ridge Biological Preserve, Stanford University; now dry delta in Searsville Lake at the mouth of Corte de Madera Creek Comment
  JROH653  Erigeron canadensis John Hunter Thomas 1988-10-17 24600 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD131896  Erigeron floribundus John Thomas Howell 1975-9-25 51508 San Mateo San Bruno Mountain. 396 Comment
  JEPS83065  Erigeron foliosus var. franciscensis Roy E. Buck, Randall A. Morgan, and James A. West 1983-7-23 448 San Mateo n end Sawyer Ridge (on sw-facing slope above last curve in gravel ridge before intersection above San Andreas Dam); San Francisco Watershed Reserve, Sawyer Ridge 312 Comment
  CAS-BOT-BC300614  Erigeron foliosus var. franciscensis Elizabeth McClintock; Walter Knight; Irja Knight; Baki Kasapligil 1967-7-18 s.n. San Mateo San Bruno Mountain. In old quarry in Colma Canyon Comment
  CAS-BOT-BC295074  Erigeron glaucus Barrett Anderson; Peter Rubtzoff 1988-4-26 3674 San Mateo San Bruno Mountain. Radio Road south of Guadalupe Parkway 365 Comment
  CAS-BOT-BC295075  Erigeron glaucus Daniel Cohen 1953-5-9 91 San Mateo Between Pescadero and San Gregorio Comment
  CAS-BOT-BC295091  Erigeron glaucus Javier Penalosa 1963-3-9 2675 San Mateo San Bruno Mountain. Slopes southeast of 1314 ft. summit 381 Comment
  CAS-BOT-BC300246  Erigeron reductus var. angustatus John Thomas Howell 1930-11-9 s.n. San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC216131  Eriodictyon californicum Fred Hemphill 1973-5-6 753 San Mateo North of Malabar Road and Melendy Dr., San Carlos 207 Comment
  CAS-BOT-BC216247  Eriodictyon californicum Lewis S. Rose 1941-7-2 41288 San Mateo King's Mountain 480 Comment
  JROH2724  Eriodictyon californicum John H. Thomas 1973-5-5 16767 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2734  Eriodictyon californicum John Hunter Thomas 1992-7-24 25396 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET3479294  Eriodictyon californicum L. S. Rose 1941-7-2 41288 San Mateo Kings Mountains, Kings Mountains 480 Comment
  CAS-BOT-BC253242  Eriogonum fasciculatum var. foliolosum Claire Etienne 1973-5-1 s.n. San Mateo Ca. 1 mi. north of Jtn. with Hwy. 84 (to Woodside) on Hwy. 280 Comment
  CAS-BOT-BC250541  Eriogonum gracile Phillip C. Wheeler 1965-7-7 s.n. San Mateo San Bruno Mountain. Canyon south of Pig Ranch Comment
  RSA17962  Eriogonum gracile var. gracile Carl B. Wolf 1927-8-15 718 San Mateo Jasper Ridge near Searsville Lake Comment
  CAS-BOT-BC251976  Eriogonum latifolium Elizabeth McClintock; David Schooly; Kim Marcus 1975-4-13 s.n. San Mateo above Hillside Blvd., South San Francisco Comment
  CAS-BOT-BC251980  Eriogonum latifolium John H. Thomas 1961-5-7 9264 San Mateo San Bruno Mountain in northern part of county. 914 Comment
  SD38688  Eriogonum latifolium Edith A. Purer 1933-7-27 5379 San Mateo small dunes near strand, two miles south of Pigeon Point Comment
  UC1537277  Eriogonum latifolium Gordon H. True Jr. 1936-6-7 486 San Mateo cove 2 mi s Pescadero 15 Comment
  UC566073  Eriogonum latifolium G. E. Sindel 1935-7-25 302 San Mateo mouth of Pescadero Creek Santa Cruz Quadrangle, Pescadero Creek 3 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
  CAS-BOT-BC251969  Eriogonum latifolium Elizabeth McClintock; Paul Reeberg 1988-4-26 s.n. San Mateo at southern tip of ridge dividing Sage and Poison Oak Ravines 137 Comment
  CAS-BOT-BC251999  Eriogonum latifolium Lewis S. Rose 1933-7-21 33307 San Mateo Montara. Sandy ocean bluffs Comment
  SDSU6740  Eriogonum latifolium D. F. Howe 1962-7-26 3356 San Mateo 1.1 miles south of San Mateo-Santa Cruz Co. line Comment
  CAS-BOT-BC264773  Eriogonum luteolum Paul R. Hichborn 1920-6-1 284 San Mateo Back of Redwood City, Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC266072  Eriogonum luteolum A. D. E. Elmer 1903-6-1 4309 San Mateo Belmont Comment
  POM165227  Eriogonum luteolum C. F. Baker 1902-9-10 1674 San Mateo Crystal Springs Lake Comment
  RSA423120  Eriogonum luteolum L. S. Rose 1937-9-21 37661 San Mateo Emerald Lake, west of Redwood City. 183 Comment
  UCR80214  Eriogonum luteolum L. S. Rose 1937-9-21 37661 San Mateo Emerald Lake, west of Redwood City 160 Comment
  SEINET5330457  Eriogonum luteolum J. L. Reveal, John H. Thomas 1975-7-31 3911 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto, on oak covered hillsides south of San Francisquito Creek, on a low, serpentine ridge 183 Comment
  CAS-BOT-BC269003  Eriogonum nudum var. auriculatum Margaret A. Barry 1938-6-22 171 San Mateo On Coal Mine Ridge Comment
  RSA766372  Eriogonum nudum var. auriculatum Delzie Demaree 1933-7-8 10423 San Mateo Spring Valley Road Comment
  SD12580  Eriogonum nudum var. auriculatum Edith A. Purer 1933-8-4 5401 San Mateo Along the Bayshore Highway, near Redwood City Comment
  CAS-BOT-BC261452  Eriogonum nudum var. nudum Elizabeth McClintock; Paul Reeberg 1988-4-14 s.n. San Mateo San Bruno Mountains. On easternmost ridge above Shearwater Comment
  CAS-BOT-BC304070  Eriophyllum confertiflorum Philip Wheeler 1965-5-12 s.n. San Mateo SW canyon below NBC towers, San Bruno Mt Comment
  CAS-BOT-BC304088  Eriophyllum confertiflorum Ned Cahill 1974-5-13 267 San Mateo Near the intersection of Canada and Edgewood roads, about 3 miles westward from Redwood City Comment
  POM288449  Eriophyllum confertiflorum Lyman Benson 1937-6-24 8389 San Mateo Caol Mine Ridge, Stanford University, Santa Cruz Mt. Range, S. F. Bay Watershed 366 Comment
Read comments
Oct 24 2014
  JROH696  Eriophyllum confertiflorum var. confertiflorum John H. Thomas 1967-5-31 12942 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH709  Eriophyllum confertiflorum var. confertiflorum John Hunter Thomas 1980-6-5 19996 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
  RSA169298  Eriophyllum lanatum var. arachnoideum L. S. Rose 1964-6-3 64057 San Mateo N end of Bodega Bay 6 Comment
  CAS-BOT-BC301751  Eriophyllum latilobum L. Constance 1938-5-16 2242 San Mateo On San Mateo Creek, Half Moon Bay road 2 miles SW. of San Mateo 45 Comment
  CAS-BOT-BC301977  Eriophyllum staechadifolium Alice Eastwood 1937-7-25 18890 San Mateo Pebble Beach, Pescadero Comment
  POM358130  Eriophyllum staechadifolium Glenn A. Gorelick 1967-5-5 s.n. San Mateo San Bruno Mts., overlooking Daly City near San Francisco Comment
  UC1118210  Eriophyllum staechadifolium T. Tyrrell 1928-9-26 7 San Mateo 2 mi s San Gregorio; Santa Cruz Quad. 182 Comment
  RSA479800  Eriophyllum staechadifolium Jerry A. Powell 1972-3-10 909 San Mateo Mt. San Bruno Comment
  UCSC007744  Erodium cicutarium Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC54509  Erysimum capitatum James McMurphy 1909-5-25 s.n. San Mateo La Honda. Comment
  CAS-BOT-BC54510  Erysimum capitatum D. D. Davis 1903-5-1 s.n. San Mateo La Honda grove. Comment
  CAS-BOT-BC54828  Erysimum franciscanum W. R. Dudley 1894-3-27 s.n. San Mateo Santa Cruz Peninsula. On ledges below Crystal Springs Dam. Comment
  CAS-BOT-BC54837  Erysimum franciscanum G. B. Rossbach 1955-3-26 576 San Mateo Upper north slope of San Bruno Mountain north of Radio tower. 335 Comment
  CAS-BOT-BC54847  Erysimum franciscanum G. B. Rossbach; R. P. Rossbach 1939-3-26 900 a and 900b ripe pods San Mateo 2.5 miles north of Montara near Devil's Slide. Comment
  CAS-BOT-BC54857  Erysimum franciscanum G. B. Rossbach; R. P. Rossbach 1939-4-2 908 a fl. 908b fr. San Mateo Just above and west of south end of San Andreas Lake. 213 Comment
  CAS-BOT-BC54865  Erysimum franciscanum G. B. Rossbach 1940-4-23 925 San Mateo About 1 mile inland, Montara Mountains, south of San Pedro Valley and northwest of Peak Mountain. 121 Comment
  CAS-BOT-BC54877  Erysimum franciscanum Peter H. Raven 1950-2-25 1374 San Mateo San Bruno Mountains. Between Brisbane and N.B.C. Television Station. 243 Comment
  CAS-BOT-BC54887  Erysimum franciscanum Oliver W. Norvell 1931-3-2 1410 San Mateo Near Crystal Springs Lake. Comment
  CAS-BOT-BC54890  Erysimum franciscanum Elizabeth McClintock; Arthur Menzies 1963-2-16 s.n. San Mateo San Bruno Mountain. Below top of mountain in vicinity of the radio station. Comment
  CHSC37823  Erysimum franciscanum J. F. Esperance 1982-3-6 San Mateo Top of San Bruno Mtn., 0.5 mi s of parking area along ridge top. 304 Comment
  PGM1716  Erysimum franciscanum Helen Lind 1977-3-12 San Mateo Devils Slide Area Highway 1 Devils, Highway 1 in Devil's Slide Area Comment
  POM143342  Erysimum franciscanum A. D. E. Elmer 1903-05 s.n. San Mateo Crystal Springs Lake. Comment
  SJSU8507  Erysimum franciscanum P. F. Canziani 1979-3-2 San Mateo SW of intersection of Hillside Blvd & Chestnut Ave., San Bruno Mt Comment
  UC1034935  Erysimum franciscanum G. B. and R. P. Rossbach 1939-3 901 a&b San Mateo dunes just back of high sea cliff very near Sharp Park Comment
  CAS-BOT-BC164031  Erythranthe grandis Peter Rubtzoff 1976-6-30 8705 San Mateo San Bruno Mountain. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Westernmost part of the area on a slope across fence Comment
  CAS-BOT-BC403530  Eschscholzia californica Alice Eastwood 1937-7-25 18893 San Mateo Pebble Beach, Pescadero Comment
  CAS-BOT-BC403543  Eschscholzia californica H. A. Dutton 1900-2-11 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  JEPS51735  Eschscholzia californica Dr. L. M. Newlon 1921-1 238 San Mateo sea shore from Salada to Mussel Comment
  JROH3101  Eschscholzia californica John Hunter Thomas 1981-5-19 20610 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  OBI48876  Eschscholzia californica S. Bagley 1969-3-28 San Mateo Near the San Fernando Game refuge 145 Comment
  CAS-BOT-BC202739  Euonymus occidentalis A. D. E. Elmer 1903-6-1 4280 San Mateo Lake San Andreas Comment
  CAS-BOT-BC206912  Euonymus occidentalis D. E. Breedlove 1974-5-13 36208 San Mateo Slopes of San Pedro Valley Park, Pacifica. 152 Comment
  SEINET10453530  Euonymus occidentalis Mary Susan Taylor 1978-8-30 Taylor 1856 San Mateo Comment
  POM282553  Euphorbia crenulata Lyman Benson 1930-5-3 2089 San Mateo Above Woodside, Mt. Range: Santa Cruz 244 Comment
  RSA130686  Euphorbia crenulata Roxana S. Ferris 1921-3-20 2114 San Mateo Pescadero - La Honda Road. 183 Comment
  SJSU8501  Euphorbia oblongata L. F. Wagner 1979-5-1 46 San Mateo N side Chaucer St Bridge, Menlo Park-Palo Alto boundary Comment
  JEPS127811  Euphorbia spathulata Adam C. Schneider with C. Matt Guilliams 2013-4-7 74 San Mateo Comment
  JROH1972  Euphorbia spathulata John H. Thomas 1970-4-28 15609 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1974  Euphorbia spathulata John H. Thomas 1974-4-4 17083 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA499127  Euphorbia spathulata L. S. Rose 1935-5-4 35151 San Mateo Burlingame. Comment
  JEPS20288  Eurybia radulina Lewis S. Rose 1955-9-19 55174 San Mateo Skyline Boulevard, 7 mi w of Saratoga 685 Comment
  JROH530  Eurybia radulina Carol Zabel 2005-8-1 54 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC310721  Euthamia occidentalis John H. Thomas 1968-10-6 14853 San Mateo Vicinity of railroad tracks and Dumbarton Bridge causeway entrance. East of Palo Alto Comment
  UCSC007760  Euthamia occidentalis Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC239710  Fabaceae W. R. Dudley 1894-3-26 s.n. San Mateo Reservoir, San Mateo Comment
  SJSU6623  Felicia amelloides T. M. Morton 1972-4-1 San Mateo residence 735 Laurelwood Dr, San Mateo Comment
  CAS-BOT-BC183620  Festuca arundinacea Peter Rubtzoff 1976-6-13 8632 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction and northwest of Fog Forest. 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
  JROH5475  Festuca bromoides John Hunter Thomas 1984-5-3 23334 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC278357  Festuca californica subsp. californica W. R. Dudley 1902-4-26 s.n. San Mateo By Alpine Road Comment
  CAS-BOT-BC278479  Festuca idahoensis Elizabeth McClintock 1963-6-9 s.n. San Mateo San Bruno Mountain Comment
  CAS-BOT-BC210029  Festuca idahoensis Peter Rubtzoff 1980-5-3 9436 San Mateo San Bruno Mountains. The Edward Preston Lee Memorial Site and vicinity. Comment
  CAS-BOT-BC278862  Festuca occidentalis W. R. Dudley 1895-6-1 s.n. San Mateo Santa Cruz Mountain Peninsula. Pescadero Creek Comment
  JROH5506  Festuca octoflora John H. Thomas 1966-4-20 11561 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5286  Festuca perennis John Hunter Thomas 1984-4-24 23305 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5290  Festuca perennis John Hunter Thomas 1987-5-15 24287 A San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low flow crossing. Comment
  SD30561  Festuca perennis Edith A. Purer 1933-8-13 5418 San Mateo Santa Clara Valley near Belmont Comment
  SJSU16015  Festuca perennis John Rawlings, Ken Hickman 2016-5-26 1810 San Mateo Serpentine seep area (Fountain thistle seep) up-slope from the Hwy 92 west onramp to Hwy 280 north; down-slope from San Francisco Watershed fence line 122 Comment
  JEPS101936  Festuca rubra Dean W. Taylor 1988-4-8 9508 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
  JROH5181  Festuca rubra John Rawlings 2009-5-20 1043 San Mateo Jasper Ridge Biological Preserve, Stanford University; growing 5 yards from the paved lakeside road under the canopy of a valley oak (water spigot near tree trunk) 106 Comment
  JROH6207  Festuca rubra John Rawlings 2014-4-4 1239 San Mateo Jasper Ridge Biological Preserve, Stanford University; verge of Goya Rd. at its terminus near Preserve entrance. 199 Comment
  UCD66325  Festuca rubra P. B. Kennedy 1914-7-5 San Mateo Moss Beach, Pacific Grove. Comment
  RSA10389  Fragaria californica H. A. Barker 1926-5-15 626 San Mateo King Mt. Comment
  SJSU2271  Fragaria chiloensis C. W. Sharsmith 1947-4-11 6752 San Mateo Pescadero Beach near Pescadero Point Comment
  CAS-BOT-BC437037  Fragaria chiloensis Louis F. Pitelka 1973-4-30 s.n. San Mateo Bolsa Point about 1 mile north of Pigeon Point and about 39 miles south of San Francisco Comment
  UC1127972  Fragaria vesca H. S. Yates 1935-2-3 5006 San Mateo 0.5 mi se Pigeon Pt.; Santa Cruz Quad. 30 Comment
  CAS-BOT-BC457520  Fragaria vesca subsp. californica Le Roy Abrams 1902-5-20 2469 San Mateo Kings Mountain Comment
  JROH3534  Frangula californica subsp. californica John H. Thomas 1961-6-14 9540 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3546  Frangula californica subsp. californica John Hunter Thomas 1978-7-2 19250 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM130919  Fraxinus latifolia A. D. E. Elmer 1903-07 4615 San Mateo San Mateo Creek Comment
  CAS-BOT-BC223549  Fraxinus latifolia W. R. Dudley 1894-4-13 s.n. San Mateo Santa Cruz Peninsula. By San Francisquito Creek near Big Tree Comment
  SEINET6694664 Image available Fraxinus oregona W. R. Dudley 1893-1 San Mateo San francisquita creek near big tree Comment
  CAS-BOT-BC130145  Fritillaria affinis R. Bacigalupi 1922-3-1 s.n. San Mateo Pescadero Beach Comment
  CAS-BOT-BC130120  Fritillaria affinis W. R. Dudley 1894-4-21 s.n. San Mateo On upper road near Crystal Springs Lake Comment
  RSA371591  Fritillaria affinis Thomas S. Elias 1987-4-10 10336 San Mateo Along Canyon Road, north of Butano State Park Comment
  SD27773  Fritillaria affinis Carl B. Wolf 1927-4-3 254 San Mateo About 1 mile above La Honda, Santa Cruz Mountains. 244 Comment
  SEINET12054472  Fritillaria affinis Unknown 1932-1 8965 San Mateo La Honda Road Comment
  SJSU8738  Fritillaria affinis C. H. Bracker 1966-4-14 San Mateo by Sawyer Camp Rd along Crystal Springs Reservoir Comment
  CAS-BOT-BC130384  Fritillaria liliacea Marion Gallagher 1978-3-3 s.n. San Mateo At Farm Hill School Site, above Redwood City and opposite [Canada] Canada College, just off 280 at Farm Hill off ramp Comment
  CAS-BOT-BC130385  Fritillaria liliacea Marion Gallagher; Gladys L. Smith 1978-6-3 4804 San Mateo Farm Hill above Redwood City Comment
  UC1057446  Fritillaria liliacea G. Thomas Robbins 1937-4-11 88 San Mateo near Spring Valley Lakes (on road to Woodside) 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
  UCD78148  Fumaria capreolata Robert E. Preston 2008-4-1 2600 San Mateo Lower Crystal Springs Reservoir, at jct Hwy 92 and Hwy 35 92 Comment
  CAS-BOT-BC389733  Galium J. Lovelle 1973-8-5 37 San Mateo Mt. Ellen Trail 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
  JROH3782  Galium aparine John H. Thomas 1966-4-22 11566 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM59550  Galium aparine A. D. E. Elmer 1903-05 4424 San Mateo San Mateo Comment
  CDA9440  Galium californicum D. G. Kelch 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  JROH3784  Galium californicum subsp. californicum James McMurphy 1906-8-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM284029  Galium californicum subsp. californicum Delzie Demaree 1933-6-23 10379 San Mateo White House Creek. Comment
  JROH3800  Galium murale John H. Thomas 1976-4-30 18103 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  HSC23986  Galium triflorum Mary Katherine Wicksten 1971-6-17 53 San Mateo Huddart Park on Chickadee Trail Comment
  UC134943  Gamochaeta ustulata E. B. Copeland 1903-6-14 3312 San Mateo Montara Point Pacific Coast Comment
  CAS-BOT-BC303469  Gamochaeta ustulata R. E. Frenkel 1964-4-2 415 San Mateo On Spring Valley Ridge Rd, SFWD, at junction of Spring Valley Ridge Rd and Whiting Ridge Rd 347 Comment
  CAS-BOT-BC303472  Gamochaeta ustulata W. R. Dudley 1900-3-18 s.n. San Mateo Santa Cruz Mt Peninsula. Hill E of Salada Valley Comment
  CAS-BOT-BC194569  Garrya elliptica Lewis S. Rose 1962-2-5 62001 San Mateo San Andreas Lake 152 Comment
  CAS-BOT-BC194572  Garrya elliptica W. R. Dudley 1895-2-9 s.n. San Mateo On Alpine Road two miles below watering place near Stanford University Comment
  JROH2542  Garrya elliptica Herbert Dengler 1975-5-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; below and uphill from spring, S.W. Jasper Ridge Comment
  POM132534  Garrya veatchii Jos. Burtt Davy 1893-06 s.n. San Mateo Pilarcitos Lake and Canon [Canyon]. Comment
  JROH5187  Gastridium phleoides John H. Thomas 1977-4-29 18568 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA135780  Gastridium phleoides C. F. Leitholt 1894-7-30 s.n. San Mateo La Honda. Comment
  SJSU15819  Gastridium phleoides John Rawlings, Ken Hickman 2016-7-21 1907 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
  RSA18344  Gastridium phleoides C. B. Wolf 1927-7-14 597 San Mateo Summit of Kings Mountain Rd. Comment
  JROH2002  Genista monspessulana John Hunter Thomas 1978-5-23 19222 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
  SD227830  Geranium carolinianum G. K. Helmkamp, E. A. Helmkamp 1998-5-16 3738 San Mateo Portola Valley: Golden Hills Rd. along Los Trancos Creek. 106 Comment
  JROH2612  Geranium dissectum John H. Thomas 1968-4-19 14305 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR279851  Geranium dissectum Peter Rubtzoff 1976-5-22 8546 San Mateo San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 213 Comment
  JROH3154  Gilia achilleifolia subsp. multicaulis John H. Thomas 1971-4-25 15783 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3165  Gilia clivorum John H. Thomas 1971-4-10 15756 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3166  Gilia clivorum John Hunter Thomas 1981-4-27 20506 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC535968  Gilia clivorum Elmer I. Applegate 1895-5-11 343 San Mateo near Searsville; near Searsville Comment
  CAS-BOT-BC303684  Glebionis coronaria Elizabeth McClintock 1967-9-24 s.n. San Mateo San Bruno Mt. Crocker Ave Comment
  CAS-BOT-BC303685  Glebionis coronaria Phillip C. Wheeler 1965-5-8 s.n. San Mateo San Bruno Mt. Sierra Point Comment
  JROH2023  Glycyrrhiza lepidota John H. Thomas 1962-7-15 9923 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below dam Comment
  RSA130389  Gnaphalium palustre W. R. Dudley 1909-10-31 s.n. San Mateo Searsville Lake. The Santa Cruz Mtn Peninsula. Comment
  CAS-BOT-BC302083  Grindelia Paul Reeberg 1989-5-19 s.n. San Mateo San Bruno Mountains. On ridge between Firth Canron [Canyon] & Brisbane Ravine, uphill water tank 152 Comment
  POM359103  Grindelia D. D. Keck 1931-9-27 1273 San Mateo Dumbarton Bridge. Comment
  SEINET11835917  Grindelia E. A. Purer 1933-1 5369 San Mateo Pigeon Point Comment
  CAS-BOT-BC304504  Grindelia hirsutula Alice Eastwood 1914-12-16 s.n. San Mateo Redwood City Comment
  CAS-BOT-BC304505  Grindelia hirsutula David D. Keck 1931-9-27 1273 San Mateo Dumbarton Bridge Comment
  CAS-BOT-BC304513  Grindelia hirsutula John Thomas Howell 1964-12-6 41032 San Mateo Vacant lot near S. P. R. R. station, Millbrae Comment
  CAS-BOT-BC304530  Grindelia hirsutula L. R. A. 1909-8-2 4249 San Mateo Pebble Beach, Pescadero Comment
  CAS-BOT-BC304543  Grindelia hirsutula W. R. Dudley 1906-6-10 s.n. San Mateo Santa Cruz Mountain Peninsula. By Cahill Ridge Road nor. of McFarland's Comment
  JEPS17019  Grindelia hirsutula Rimo Bacigalupi with J. R. Sweeney, G. Bacigalupi Jr., and C. Fenneman 1954-8-3 4738 San Mateo rocky road berm directly above Point San Pedro Comment
  JEPS41871  Grindelia hirsutula W. L. Jepson 1896-1 San Mateo Santa Cruz Mountains Comment
  JEPS78925  Grindelia hirsutula Rimo Bacigalupi with G. T. Robbins 1954-6-18 4550 San Mateo road bank along Alpine Road 1/4 mi w Skyline Boulevard 701 Comment
  JEPS89739  Grindelia hirsutula Dean W. Taylor 1988-3-30 9480 San Mateo n. slope of s.e. ridge San Bruno Mt. (near ridgecrest, right-of-way of eastern-most set of PG & E high-voltage powerlines crossing the mt.); Santa Cruz Mts., San Francisco South 7 1/2 Quad., San Bruno 237 Comment
  SJSU23  Grindelia hirsutula C. D. Duncan 1925-5-23 San Mateo S end Jasper Ridge above Searsville L Comment
  RSA184825  Grindelia stricta var. platyphylla L. S. Rose 1965-9-4 65102 San Mateo Pillar Point. 15 Comment
  SJSU11709  Grindelia stricta var. platyphylla L. V. Giacomino 1966-5-7 San Mateo Montara Comment
  JROH5203  Hainardia cylindrica John Rawlings 2012-5-23 1117 San Mateo Jasper Ridge Biological Preserve, Stanford University; at back of field station at edge of brick patio 121 Comment
  UC943014  Helenium puberulum Lewis S. Rose 1949-8-10 49157 San Mateo Skyline Blvd. w Tanforan 121 Comment
  CAS-BOT-BC309535  Helenium puberulum W. R. Dudley 1895-6-14 s.n. San Mateo Santa Cruz Peninsula. By San Francisquito Creek near St. Michaels Church Comment
  JEPS35430  Helenium puberulum James G. Daly 239 San Mateo San Gregorio watershed Santa Cruz Mts., San Gregorio Comment
  UCD18540  Helenium puberulum Roman Gankin 1950-7-4 8 San Mateo east side of the Peninsula Coast Range, off of the King's Mtn. Rd. behind Woodside. 609 Comment
  CAS-BOT-BC305334  Helianthella castanea Miss E. Cannon 1892-6-1 s.n. San Mateo Hills near the Bay, South S.F. Comment
  RSA176823  Helianthemum scoparium var. scoparium John H. Thomas 1961-5-5 9220 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. 152 Comment
  CAS-BOT-BC305630  Helianthus californicus L. R. Abrams 1902-9-21 2989 San Mateo Woodside - Crystal Springs Comment
  CAS-BOT-BC305929  Helminthotheca echioides Walter Knight; Walter Knight 1963-6-24 s.n. San Mateo San Bruno Mountain. Quarry 4 Comment
  CAS-BOT-BC453466  Hemitomes congestum R. S. Ferris 1923-5-26 3787 San Mateo Chris Iverson Trail, Butano Ridge Comment
  CAS-BOT-BC306178  Hemizonia congesta subsp. congesta James I. McMurphy 1909-6-13 s.n. San Mateo Summit, between Colma and San Bruno Comment
  CAS-BOT-BC314909  Hemizonia congesta subsp. luzulifolia Ned Cahill 1974-4-30 224 San Mateo Near the intersection of Canada and Edgewood Roads about 3 mi. westward from Redwood City Comment
  CAS-BOT-BC314912  Hemizonia congesta subsp. luzulifolia Ned Cahill 1974-7-14 360 San Mateo Near the intersection of Canada and Edgewood Roads about 3 mi. westward from Redwood City Comment
  CAS-BOT-BC314916  Hemizonia congesta subsp. luzulifolia J. H. Thomas 1958-6-11 7228 San Mateo About 4.3 miles due east of Belmont near Crystal Springs Reservoir 91 Comment
  CAS-BOT-BC314918  Hemizonia congesta subsp. luzulifolia John H. Thomas 1958-11-22 7507 San Mateo Jasper Ridge, about 5 miles southwest of Palo Alto 182 Comment
  CAS-BOT-BC314946  Hemizonia congesta subsp. luzulifolia A. D. E. Elmer 1903-5-1 4805 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC314948  Hemizonia congesta subsp. luzulifolia L. R. Abrams 1914-7-15 5140 San Mateo Crystal Springs Comment
  JEPS23956  Hemizonia congesta subsp. luzulifolia John H. Thomas 1959-8-22 8078 San Mateo about 5 mi sw of Palo Alto; Jasper Ridge 152 Comment
  CAS-BOT-BC314937  Hemizonia congesta subsp. luzulifolia Cherie Wetzel 1969-7-8 923 San Mateo Near Canada College, Redwood City just off of Farm Hill Blvd. Comment
  CAS-BOT-BC314942  Hemizonia congesta subsp. luzulifolia H. M. Hall 1915-8-28 10113 San Mateo East side of Crystal Springs Lake 121 Comment
  SD30842  Hemizonia congesta subsp. luzulifolia Edith A. Purer 1933-8-4 5398 San Mateo Along roadsides of Bayshore Highway. Comment
  SEINET7883474 Image available Hemizonia congesta var. luzulifolia Lewis S. Rose 1937-1 37662 San Mateo Emerald Lake, W. of Redwood City 183 Comment
  SEINET11848417  Hemizonia corymbosa E. A. Purer 1933-1 5339 San Mateo Pigeon Point Comment
  RSA94181  Hemizonia corymbosa subsp. corymbosa D. D. Keck 1932-5-11 1765 San Mateo 1 mile E of San Gregorio. 50 Comment
  RSA184852  Hemizonia luzulifolia L. S. Rose 1965-8-27 65094 San Mateo Emerald Lake, West of Redwood City 183 Comment
  RSA185016  Hemizonia pungens subsp. maritima L. S. Rose 1965-9-20 65106 San Mateo Burlingame, Trousdale Dr. and California Dr. 9 Comment
  RSA18317  Heracleum maximum C. B. Wolf 1929-5-20 3720 San Mateo No. end of Searsville Lake. Comment
  JROH878  Hesperevax sparsiflora var. sparsiflora H. A. Borthwick 1920-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4234  Hesperocnide tenella John Hunter Thomas 1992-4-23 25149 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Rattlesnake Rocks and along trail to redwoods 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
  JROH2929  Hesperolinon micranthum D. E. Breedlove 1971-5-31 19382 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH2939  Hesperolinon micranthum John Hunter Thomas 1992-5-25 25342 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1601216  Hesperolinon micranthum Helen K. Sharsmith 1947-6-3 3976 San Mateo near upper Crystal Springs Lake; Outer South Coast Ranges 152 Comment
  CAS-BOT-BC148463  Heteromeles arbutifolia John H. Thomas 1969-10-19 15485 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  JROH3676  Heteromeles arbutifolia John H. Thomas 1958-11-22 7504 San Mateo Jasper Ridge Biological Preserve, Stanford University. North central portion of ridge Comment
  UC942934  Heteromeles arbutifolia Lewis S. Rose 1948-11-25 48241 San Mateo Woodside 365 Comment
  RSA0072444  Heteromeles arbutifolia L. S. Rose 1948-11-25 48241 San Mateo Woodside. 366 Comment
  JROH905  Heterotheca grandiflora Monica Bjorkman 1991-11-20 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; SLAC corridor Comment
  RSA471598  Heterotheca sessiliflora subsp. bolanderi E. A. Purer 1933-8-4 5400 San Mateo Along Bayshore Hwy near Redwood City. Comment
  SD30675  Heterotheca sessiliflora subsp. bolanderi Edith A. Purer 1933-8-4 5400 San Mateo Along Bayshore Highway near Redwood City. Comment
  CAS-BOT-BC310767  Heterotheca sessiliflora subsp. echioides Lewis S. Rose 1966-8-20 66087 San Mateo San Bruno Mountain, Summit 365 Comment
  JROH909  Heterotheca sessiliflora subsp. echioides Carol Zabel 2006-7-24 59 San Mateo Jasper Ridge Biological Preserve, Stanford University; slope by trail to old boat landing below Field Station Comment
  CAS-BOT-BC420887  Heuchera micrantha var. diversifolia David D. Keck 1932-6-1 1794 San Mateo Above Woodside on La Honda road, east slope of Santa Cruz Mtns. Comment
  CAS-BOT-BC420894  Heuchera micrantha var. diversifolia Margaret A. Barry 1938-5-29 262 San Mateo Corte Madera Creek near Coal Mine Ridge Comment
  CAS-BOT-BC420895  Heuchera micrantha var. diversifolia A. D. E. Elmer 1903-7-1 4762 San Mateo Pilarcitos Stone Dam Comment
  UC858020  Heuchera micrantha var. erubescens Lewis S. Rose 1939-6-16 39280 San Mateo Kings Mountain 670 Comment
  RSA0063102  Heuchera micrantha var. hartwegii G. Oberlander 1950-5-28 955 San Mateo Pilarcitos Canyon. San Francisco Watershed Reserve. Comment
  UCR141450  Heuchera pilosissima June Latting 1975-6-8 s.n. San Mateo Santa Cruz Mtns., Pescasero Road, 8 miles east of highway Calif. Hwy 1 122 Comment
  CAS-BOT-BC424429  Heuchera pilosissima W. R. Dudley 1900-3-17 s.n. San Mateo By down grade from Montara Mts to San Pedro Comment
  UC897793  Hieracium albiflorum Lewis S. Rose 1939-6-16 39279 San Mateo Kings Mountain 670 Comment
  UC1137088  Hierochloe occidentalis August L. Hormay 1932-3-6 San Mateo near Pescadero (redwood belt); Blumequist Mill Comment
  UCD78192  Hoita orbicularis Robert E. Preston 2008-6-10 2640 San Mateo Between Lower Crystal Springs Reservoir and Crystal Springs Golf Course, ca. 0.33 mi W of jct Golf Course Rd and I-280 99 Comment
  CAS-BOT-BC289253  Holcus lanatus Philip Wheeler 1965-6-8 s.n. San Mateo Crocker Industrial Park, San Bruno Mountain 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
  CAS-BOT-BC150054  Holodiscus discolor var. discolor Margaret A. Barry 1937-6-24 180 San Mateo On Coal Mine Ridge Comment
  JROH3693  Holodiscus discolor var. discolor John Hunter Thomas 1978-7-2 19249 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET7297786 Image available Hordeum brachyantherum David D. Keck 1932-1 1463 San Mateo Belmont; Common in fields near the salt marshes of San Francisco Bay. Comment
  CAS-BOT-BC284679  Hordeum brachyantherum subsp. brachyantherum David D. Keck 1932-5-6 1463 San Mateo Belmont Comment
  SEINET10610448  Hordeum brachyantherum subsp. brachyantherum Edwin B. Copel 1903-6-10 Copeland 3304 San Mateo Montara Point. Comment
  JEPS128401  Hordeum brachyantherum subsp. californicum Adam C. Schneider 2013-5-17 133 San Mateo Crystal Springs Reservoir. Comment
  JROH5222  Hordeum brachyantherum subsp. californicum John H. Thomas 1975-5-26 17916 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5224  Hordeum brachyantherum subsp. californicum John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA0115578  Hordeum hystrix L. S. Rose 1953-4-17 53015 San Mateo Redwood City, along Bayshore Highway 3 Comment
  CAS-BOT-BC285152  Hordeum marinum subsp. gussoneanum W. R. Dudley 1902-4-1 s.n. San Mateo Unspecified Comment
  JROH5234  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
  JROH5245  Hordeum marinum subsp. gussoneanum John Hunter Thomas 1984-4-24 23306 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5246  Hordeum marinum subsp. gussoneanum John Hunter Thomas 1986-5-17 24050 San Mateo Jasper Ridge Biological Preserve, Stanford University. Dam to Rattlesnake Rock. Comment
  CAS-BOT-BC289457  Hordeum murinum subsp. leporinum John H. Thomas 1963-5-20 10152 San Mateo Ano Nuevo Island about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  CAS-BOT-BC289462  Hordeum murinum subsp. leporinum Javier Penalosa 1963-3-30 2741 San Mateo North of Randolph Drive at Hillside Blvd. in SSF, San Bruno Mountain 289 Comment
  JROH5259  Hordeum murinum subsp. leporinum John Hunter Thomas 1987-5-15 24287 B San Mateo Jasper Ridge Biological Preserve, Stanford University. Low flow crossing. Comment
  CAS-BOT-BC271359  Hordeum vulgare George Oberlander 1950-6-3 1041 San Mateo Upper Crystal Spr. Lake, San Francisco Watershed Reserve Comment
  RSA498673  Horkelia californica E. A. Purer 1933-7-27 5341 San Mateo Pigeon Point Comment
  SD39947  Horkelia californica Edith A. Purer 1933-7-27 5341 San Mateo High stabilized sand dunes, Pigeon Point Comment
  CAS-BOT-BC536141  Horkelia californica W. R. Dudley 1897-10-11 s.n. San Mateo Near Half Moon Bay (Spanishtown) 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
  SJSU2301  Hosackia gracilis C. W. Sharsmith 1950-4-16 6630 San Mateo near Pescadero Point, Pescadero Comment
  CDA5496  Hydrocotyle sibthorpioides T. C. Fuller 1970-5-12 19531 San Mateo Emily Brown property, 3045 Ralston Avenue, Burlingame. 0 Comment
  UCD133374  Hypochaeris glabra J. Skoss 1948-8-22 111 -A San Mateo San Vincente Canyon, near Montara. Comment
  CAS-BOT-BC311482  Hypochaeris radicata Louis F. Pitelka 1973-4-15 650 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  JROH940  Hypochaeris radicata John Hunter Thomas 1988-5-16 24464 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low flow crossing Comment
  UC1598591  Hypochaeris radicata A. D. E. Elmer 1903-4-1 4861 San Mateo Lake San Andreas Comment
  CAS-BOT-BC311486  Hypochaeris radicata Roxana S. Ferris 1917-10-19 727 San Mateo Crystal Springs Lakes Comment
  CAS-BOT-BC311488  Hypochaeris radicata W. R. Dudley 1908-6-19 s.n. San Mateo Santa Cruz Mountain Peninsula. W. of Baden Comment
  JROH929  Hypochaeris radicata John H. Thomas 1974-5-19 17383 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA34446  Iris douglasiana M. Beyers, Z. Bakman, L. Feely, & D. Sozanni 2011-4-4 877 San Mateo Pacifica: San Pedro Valley County Park, along Brooks Creek Trail. 148 Comment
  POM168922  Iris douglasiana C. F. Baker 1902-3-22 343 San Mateo Crystal Springs Lake Comment
  SEINET7097928  Iris douglasiana 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
  SJSU2307  Iris douglasiana C. W. Sharsmith 1950-4-16 6636 San Mateo near Pescadero Point near Pescadero Comment
  UC1206487  Iris douglasiana Le Roy Abrams 1902-5-11 2441 San Mateo San Mateo Canyon Comment
  POM250983  Iris douglasiana Lyman Benson 1935-4-27 6417 San Mateo La Honda Road, Santa Cruz Mts, east of Skyline Blvd., San Francisco Bay watershed. 457 Comment
  OBI2898  Iris longipetala Lewis S. Rose 1968-3-26 68009 San Mateo South base of San Bruno Mts, South San Francisco 30 Comment
  SEINET5883393 Image available Iris longipetala L. S. Rose 1964-1 64020 San Mateo S San Francisco, San Bruno Mtn, alt ca 200 ft Comment
  UC494237  Iris macrosiphon Anna E. Ehlers 281 San Mateo San Andreas Comment
  POM193638  Iris missouriensis Le Roy Abrams 1902-4-13 2337 San Mateo San Andreas Lake. Comment
  CAS-BOT-BC57728  Isoetes howellii W. R. Dudley 1910-5-26 s.n. San Mateo Coal Mine Ridge, near Black Mountain Comment
  CAS-BOT-BC112608  Isolepis cernua Herbert L. Mason 1921-6-2 s.n. San Mateo Pebble Beach near Pescadero Comment
  CAS-BOT-BC112627  Isolepis cernua H. L. Mason 1921-6-2 s.n. San Mateo Pebble Beach, near Pescadero. Comment
  JEPS63782  Isolepis cernua William S. Cooper 1919-7-22 204 San Mateo Ano Nuevo Pt Comment
  SEINET4170779 Image available Isolepis cernua Ira L. Wiggins, Roxana S. Ferris 1939-8-2 9290 San Mateo Ano Nuevo Point Comment
  CAS-BOT-BC112606  Isolepis cernua Guy Thomas Robbins 1958-9-1 3934 San Mateo At edge of Cordonices Creek near its mouth, just E of the Eastshore Freeway Comment
  CAS-BOT-BC112619  Isolepis cernua W. R. Dudley 1906-10-12 s.n. San Mateo Near sink 14. Comment
  SEINET7589109 Image available Isolepis cernua Lewis S. Rose 1956-7-2 56117 San Mateo Skyline Blvd, hills W of San Mateo. 183 Comment
  SEINET7589110 Image available Isolepis cernua E. B. Copeland 1903-6-15 3315 San Mateo Montara Point. Comment
  UCD49893  Isolepis cernua S. Galen Smith; Malcolm A. Nobs 1949-8-25 1565 San Mateo Marshes at Sharp Park, San Mateo County. Comment
  POM312326  Jaumea carnosa Malcolm A. Nobs, S. Galen Smith 1949-8-26 1598 San Mateo Marshes at the mouth of Pescadero Creek. Comment
  SEINET3877740  Juncus bufonius Ira L. Wiggins, Roxana S. Ferris 1939-8-2 9291 San Mateo Ano Nuevo Point.; 0 Comment
  JROH5673  Juncus bufonius var. bufonius John Rawlings 2014-6-10 1275 San Mateo Jasper Ridge Biological Preserve, Stanford University; Corte Madera Creek delta near open water. 104 Comment
  RSA276358  Juncus bufonius var. congestus Jane Turner, Francis M. Ball 1962-7-7 SK&F- 1083 San Mateo Highway 1, ca. 10 miles N of Santa Cruz County line. Comment
  SJSU16033  Juncus capitatus Toni Corelli, John Rawlings 2016-4-29 1773 San Mateo Cascade Field along Atkinson Bluff Trail, north of Cascade Cr. Trail, in Ano Nuevo State Park 11 Comment
  HSC23990  Juncus confusus Mary Katherine Wicksten 1971-7-2 153 San Mateo Huddart Park at Miwok area Comment
  UC1101015  Juncus effusus subsp. pacificus Malcolm A. Nobs and S. Galen Smith 1949-8-26 1589 San Mateo about 1 mi s Half Moon Bay Comment
  UC1133660  Juncus lescurii G. E. Sindel 1935-7-25 308 San Mateo 1 mi w Pescadero; Santa Cruz Quad. 1 Comment
  UCD141619  Juncus nevadensis Frank W. Gould 1939-5-6 657 San Mateo on coast Highway 13 miles north of Santa Cruz County line. 15 Comment
  JROH4493  Juncus occidentalis John Hunter Thomas 1987-5-19 24302 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM176267  Juncus occidentalis E. B. Copeland 1903-03 3341 San Mateo Searsville. Comment
  RSA368314  Juncus patens J. Doty 1969-3-26 599 San Mateo San Mateo County: 100 yards E of jct Hwy 35 & 92, near summit of Caost Range, San Francisco Peninsula. Comment
  SEINET11789769  Juncus patens W. R. Dudley 1895-1 San Mateo along San Francisquito Creek, Stanford Univ., Santa Cruz Peninsula Comment
  JROH5797  Juncus phaeocephalus John Rawlings 2016-5-3 1779 San Mateo Jasper Ridge Biological Preserve, Stanford University. South of Trail 9 and west of Rd F in contact drainage 185 Comment
  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
  JROH4505  Juncus xiphioides John H. Thomas 1967-6-1 12960 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4510  Juncus xiphioides John H. Thomas 1975-7-31 17982 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4519  Juncus xiphioides John Hunter Thomas 1981-4-29 20513 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4045  Kickxia spuria John Hunter Thomas 1980-11-12 20161 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4050  Kickxia spuria Carol Zabel 1989-8-26 31 San Mateo Jasper Ridge Biological Preserve, Stanford University; just inside main gate on Sand Hill Road Comment
  JROH5268  Koeleria macrantha John H. Thomas 1968-5-22 14454 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC272320  Lachnagrostis filiformis George Oberlander 1950-5-6 923 San Mateo Upper Crystal Springs Lake, San Francisco Watershed Reserve Comment
  CAS-BOT-BC340469  Lactuca saligna Walter Knight; Irja Knight 1963-10-7 328 San Mateo San Bruno Mountain. Cow Trough Ravine Comment
  CAS-BOT-BC340704  Lactuca virosa Ira L. Wiggins 1979-8-26 22244 San Mateo Alley between Central and Woodland Avenues, running from Pope to Gilbert Streets, Menlo Park Comment
  CAS-BOT-BC340705  Lactuca virosa Walter Knight; Irja Knight 1963-9-18 s.n. San Mateo San Bruno Mountain Comment
  CAS-BOT-BC341632  Lagophylla ramosissima LeRoy Abrams 1902-9-28 3003 San Mateo Portola Comment
  CAS-BOT-BC341629  Lagophylla ramosissima James I. McMurphy 1906-9-24 s.n. San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC341636  Lagophylla ramosissima E. A. McGregor 1906-9-23 s.n. San Mateo Corte de Madera Comment
  CAS-BOT-BC341638  Lagophylla ramosissima David D. Keck; W. M. Heusi 1929-10-24 500 San Mateo Summit of Coast Range, Alpine Creek Road 765 Comment
  RSA128849  Lagophylla ramosissima L. R. Abrams 1914-6-2 5111 San Mateo Searsville Lake. Comment
  JROH5638  Lapsana communis John Rawlings 2014-6-2 1250 San Mateo Jasper Ridge Biological Preserve, Stanford University. Bear Creek and Preserve Boundary. 87 Comment
  UCSC003372  Lasthenia Randall Morgan 2001-5-9 3726 San Mateo Bean Hollow State Beach, San Mateo County Comment
  CAS-BOT-BC339053  Lasthenia californica A. D. E. Elmer 1903-4-1 4507 San Mateo San Bruno Hills Comment
  CAS-BOT-BC339060  Lasthenia californica John H. Thomas 1961-5-7 9251 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC346776  Lasthenia californica John H. Thomas 1955-5-6 5002 San Mateo San Mateo; Jasper Ridge about 3.5 miles southwest of Stanford University. Comment
  CAS-BOT-BC339051  Lasthenia californica Alex Briggs 1922-5-27 s.n. San Mateo Mirimar [Miramar] Comment
  JEPS97024  Lasthenia californica subsp. californica John M. Tucker 1941-4-6 212 San Mateo meadow at roadside Pigeon Point Comment
  JEPS98730  Lasthenia californica subsp. californica Raymund Chan 1998-5-9 98031 San Mateo Mori Point Pacifica Comment
  JEPS9674  Lasthenia californica subsp. macrantha Adele Lewis Grant 1917-5-6 939 San Mateo Pebble Beach near Pescadero 3 Comment
  SEINET11811271  Lasthenia chrysostoma L. K. Henry 1956-1 s.n. San Mateo along Pacific Ocean at Pigeon Point Lighthouse on Rt. 1 Comment
  CAS-BOT-BC355540  Lasthenia glabrata var. glabrata John H. Thomas 1954-4-2 3792 San Mateo 1.5 miles east of center of Redwood City 0 Comment
  CAS-BOT-BC360402  Lasthenia glabrata var. glabrata Ned Cahill 1974-4-18 130 San Mateo Near intersection of Canada and Edgewood Roads, about 3 mi westward from Redwood City. Comment
  RSA116657  Lasthenia macrantha subsp. macrantha H. L. Mason 1921-6-1 s.n . San Mateo Pebble Beach near Pescadero Comment
  CAS-BOT-BC368192  Lasthenia minor K. L. Chambers 1956-6-20 1047 San Mateo Pebble Beach near Pescadero Point, between Hwy 1 and the ocean, on bluff near parking area. Comment
  UCSC003524  Lasthenia minor Randall Morgan 2001-5-9 3728 San Mateo Bean Hollow State Beach parking area, San Mateo County Comment
  CAS-BOT-BC370795  Lasthenia platycarpha David D. Keck 1932-3-24 1402 San Mateo Redwood City. At border of San Francisco Bay. Comment
  SFV1827  Lathyrus littoralis W. R. Russell 1961-6-5 s. n. San Mateo North end of Pacifica (formerly Sharp Park), sand hills about 1 block west of business district. Comment
  POM277778  Lathyrus polyphyllus Lyman Benson 1930-5-3 2103 San Mateo Above Woodside, Mt. Range: Santa Cruz 244 Comment
  SEINET956172  Lathyrus vestitus subsp. puberulus A. D. E. Elmer 1903-1 4745 San Mateo San Mateo Comment
  CAS-BOT-BC321089  Layia gaillardioides James I. McMurphy 1909-5-25 s.n. San Mateo Fields above Pulpit Rock, San Mateo Canyon Comment
  CAS-BOT-BC321090  Layia gaillardioides James I. McMurphy 1909-5-26 s.n. San Mateo Above La Honda Comment
  CAS-BOT-BC321100  Layia gaillardioides David D. Keck 1932-6-1 1798 San Mateo 1.5 mi. NE of La Honda (5 mi SW of Skyline Blvd) Comment
  CAS-BOT-BC327482  Layia hieracioides M. S. Jussel 1931-4-18 s.n. San Mateo Colma Canyon Comment
  JEPS82095  Layia hieracioides Rimo Bacigalupi with Jim Roof and L. Heckard 1961-4-24 7621 San Mateo lateral ridge below and se of end of paved ridge-top road just e KRON television tower and station (Guadalupe Valley side of mt.); San Bruno Mountain 304 Comment
  JROH6201  Layia hieracioides John Rawlings 2014-5-6 1230 San Mateo Jasper Ridge Biological Preserve, Stanford University; on the top of Trevor's Knoll, about 70 m north of Trail 10. 181 Comment
  JROH990  Layia hieracioides John Hunter Thomas 1983-4-21 21636 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC327454  Layia hieracioides David D. Keck 1933-5-11 2306 San Mateo Skyline Boulevard, east of Salada, northern San Mateo County. Comment
  CAS-BOT-BC327455  Layia hieracioides David D. Keck 1933-5-11 2306 San Mateo Skyline Boulevard, east of Salada, northern San Mateo County. Comment
  CAS-BOT-BC327470  Layia hieracioides John H. Thomas 1967-5-7 12825 San Mateo Sunset Beach State Park, about 4.5 miles SW of Watsonville. Comment
  CAS-BOT-BC327486  Layia hieracioides George Oberlander 1949-9-25 368 San Mateo San Francisco Watershed Reserve. Sawyer Ridge. Comment
  RSA502396  Layia hieracioides D. W. Taylor 1989-4-18 10215 San Mateo Ridgetop between Ox Hill and Scarper Peak. 473 Comment
  SEINET5556738  Layia hieracioides H. S. Gentry 1931-1 98 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  JEPS127807  Layia platyglossa Adam C. Schneider with C. Matt Guilliams 2013-4-7 69 San Mateo Along dirt road running parallel to overhead power lines. GPS coordinates approximate. Comment
  SBBG39520  Layia platyglossa L. S. Rose 1970-5-3 San Mateo Black Mtn, Skyline Blvd, W of San Mateo 121 Comment
  UC913095  Layia platyglossa David D. Keck 1932-5-6 1491 San Mateo e side Crystal Springs Lake 60 Comment
  CAS-BOT-BC382084  Layia platyglossa J. I. McMurphy 1906-5-8 s.n. San Mateo Santa Cruz Mountain Peninsula: Between Schoolhouse and Head of Crystal Springs Lakes Comment
  CAS-BOT-BC382223  Layia platyglossa Vesta F. Hesse 1952-5-12 938 San Mateo Pigeon Point 15 Comment
  POM190415  Layia platyglossa subsp. campestris D. D. Keck 1932-6-18 1980 San Mateo Skyline Boulevard, at Langley Hill (SW of Stanford University) 610 Comment
  RSA128853  Layia platyglossa subsp. campestris W. R. Dudley 1909-4-27 s.n. San Mateo Whipple Road near Blacksmith shop between Woodside and Crystal Springs Lake. Plants of the Santa Cruz Mountain Peninsula. Comment
  CAS-BOT-BC266606  Legenere limosa W. R. Dudley 1906-5-22 s.n. San Mateo Santa Cruz Mountain Peninsula. Ponds, Coal Mine Ridge Comment
  RSA18088  Lemna minuta Carl B. Wolf 1929-4-29 3660 San Mateo 10 miles south of San Francisco, Skyline Drive Comment
  CAS-BOT-BC221525  Lepechinia calycina Daniel Cohen 1953-6-5 111 San Mateo Los Trancos Woods Comment
  CAS-BOT-BC221533  Lepechinia calycina Lewis S. Rose 1937-5-23 37320 San Mateo Belmont 91 Comment
  JROH2786  Lepechinia calycina John H. Thomas 1959-2-1 7515 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2790  Lepechinia calycina John H. Thomas 1971-5-30 15970 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM202471  Lepechinia calycina L. S. Rose 1933-6-9 33225 San Mateo Belmont Comment
  RSA6280  Lepechinia calycina D. D. Keck 1932-5-25 1779 San Mateo Hills 2 miles W of Belmont Comment
  CAS-BOT-BC89218  Lepidium draba J. H. Thomas 1956-4-27 4920 San Mateo Along Bayshore Highway, east of San Carlos. Comment
  RSA285070  Lepidium latifolium J. T. Howell 1978-7-18 53189 San Mateo Airport Sheraton, Airport Blvd., Burlingame. Comment
  CAS-BOT-BC12600  Lepidium nitidum Margaret A. Barry 1937-5-8 83 San Mateo On Coal Mine Ridge. Comment
  UC10674  Lepidium nitidum Mrs. Brandegee 1892-4-9 San Mateo South San Francisco Comment
  CAS-BOT-BC12746  Lepidium oxycarpum David D. Keck 1932-3-24 1401 San Mateo Redwood City. At border of San Francisco Bay. Comment
  POM216309  Lepidium strictum D. D. Keck 1933-5-11 2301 San Mateo Montara Summit, Montara Mountain. Comment
  CAS-BOT-BC226609  Leptosiphon ambiguus James McMurphy 1906-5-8 s.n. San Mateo Head of Crystal Springs Lake Comment
  POM65040  Leptosiphon ambiguus A. D. E. Elmer 1903-04 s.n. San Mateo Crystal Springs Lake. Comment
  POM65197  Leptosiphon ambiguus C. F. Baker 1902-5-4 s.n. San Mateo Woodside. Comment
  RSA128848  Leptosiphon androsaceus Roxana S. Ferris 1921-5-24 2192 San Mateo Bluffs, Pebble Beach near Pescadero. Comment
  RSA6298  Leptosiphon androsaceus D. D. Keck 1932-5-6 1481 San Mateo Open hillside just west of Millbrae Highlands. 50 Comment
  SEINET3861922  Leptosiphon croceus Genevieve K. Walden 2009-6-22 203 San Mateo Moss Beach State Beach, Wylvale Rd. on cliff above beach.; 0 Comment
  RSA159411  Leptosiphon liniflorus John H. Thomas 1961-5-14 9380 San Mateo Serpentine road bank and outcropping just north of dam on San Mateo Creek. 122 Comment
  UCSB12382  Leptosiphon liniflorus Dearing, Hugh; Dearing, Margaret 1933-5-14 San Mateo Skyline Drive, so. of San Francisco Comment
  CAS-BOT-BC300525  Leptosiphon liniflorus R. K. Wellman 1981-5-14 027 San Mateo Sawyer Camp Rd. in Hillborough [Hillsborough] city limits. 1/2 mi in from rd. start 15 Comment
  RSA107079  Leptosiphon liniflorus L. S. Rose 1956-5-7 56068 San Mateo Skyline Blvd west of San Mateo. 183 Comment
  JROH5570  Leptosiphon pygmaeus subsp. continentalis John Rawlings 2005-6-1 1153 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 11 in chaparral. 144 Comment
  RSA0103658  Leptosiphon rosaceus E. B. Copeland 1903-6-6 3300 San Mateo Montara Point. Comment
  CAS-BOT-BC324069  Lessingia arachnoidea J. H. Thomas 1958-9-15 7473 San Mateo 0.4 miles north of dam on San Mateo Creek along Skyline Blvd. 91 Comment
  CHSC98697  Lessingia arachnoidea Samantha Mackey Hillaire 2007-7-17 1245 San Mateo Pulgas Ridge, near south end of Lower Crystal Springs Reservoir, and north end of Upper Crystal Springs Reservoir. North of intersection of Skyline Blvd and Hwy 35, on sides of a small access road. UTM 10 557433E, 4151982N. 106 Comment
  JEPS21657  Lessingia arachnoidea W. R. Dudley 1902-9-21 San Mateo near fork to Alms House; Crystal Springs Reservoir Comment
  RSA114147  Lessingia arachnoidea P. H. Raven 1957-9-1 s.n. San Mateo Along Skyline Blvd. at Woodside Road Comment
  SBBG39542  Lessingia arachnoidea L. S. Rose 1970-7-26 70077 San Mateo Skyline Blvd., Hillsborough, Black Mtn 121 Comment
  SEINET3445401  Lessingia arachnoidea L. S. Rose 1941-9-6 1901 San Mateo San Mateo Canyon, San Mateo Canyon 90 Comment
  RSA0001373  Lessingia bakeri C. F. Baker 1902-10-20 1834 San Mateo Searsville. Comment
  SJSU15430  Lessingia germanorum Toni Corelli 2011-9-14 720 c San Mateo Northeast of Hillside Park, above houses 107 Comment
  CAS-BOT-BC324072  Lessingia germanorum Elizabeth McClintock; Paul Reeberg 1989-8-19 s.n. San Mateo San Bruno Mountains, Reservoir Hill. 137 Comment
  JROH1011  Lessingia glandulifera var. glandulifera John H. Thomas 1967-5-31 12924 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1025  Lessingia glandulifera var. glandulifera John Hunter Thomas 1986-6-9 24095 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC324171  Lessingia hololeuca Cherie Wetzel 1969-7-8 924 San Mateo near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  CAS-BOT-BC324173  Lessingia hololeuca John H. Thomas 1969-10-19 15479 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  HSC23932  Lessingia hololeuca Mary Katherine Wicksten 1971-8-20 205 San Mateo Huddart Park below Redwood Shelter. Comment
  JEPS88020  Lessingia hololeuca S. Markos, Noel Johnson 1996-9-17 147 San Mateo Docent Center, Jasper Ridge; Jasper Ridge Biological Preserve Comment
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Oct 15 2013
  JROH1035  Lessingia hololeuca John Hunter Thomas 1982-9-23 21164 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  UCD65579  Leymus triticoides August L. Hormay 1932-5-29 s.n. San Mateo Near San Bruno. Comment
  CAS-BOT-BC436530  Ligusticum apiifolium Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo San Bruno Mountain, below parking lot Comment
  POM132667  Ligusticum apiifolium A. D. E. Elmer 1903-07 4966 San Mateo San Mateo Comment
  CAS-BOT-BC173819  Lilaea scilloides Peter Rubtzoff 1978-7-8 9224 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  CAS-BOT-BC451674  Lilaea scilloides Alice Eastwood 1922-4-24 11196 San Mateo Between Princeton & Morman Comment
  CAS-BOT-BC389724  Lilium pardalinum M. K. Wicksten 1972-6-30 39 San Mateo Unspecified Comment
  JROH4689  Lilium pardalinum subsp. pardalinum John Hunter Thomas 1989-6-17 24776 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek Comment
  SJSU15432  Limnanthes douglasii subsp. ornduffii Toni Corelli 2010-4-30 625 San Mateo Agriculture field along east side of Hwy 1 south of Moss Beach and directly opposite Half Moon Bay airport. Type locality. 17 Comment
Read comments
Apr 7 2021
  UCR247566  Limonium binervosum Michael Perlmutter 2011-6-15 s.n. San Mateo Burlingame, Sanchez Marsh Comment
  UC2046448  Limonium californicum Michael Perlmutter 2011-10-2 s.n. San Mateo Coyote Point Marina. County of San Mateo Department of Parks. Comment
  CHSC114258  Limonium ramosissimum Michael Perlmutter 2011-6-15 San Mateo Burlingame, Sanchez Marsh. Comment
  CAS-BOT-BC238361  Limosella aquatica L. R. Abrams; I. L. Wiggins 1939-6-3 424 San Mateo Ano Nuevo Point Comment
  CAS-BOT-BC238363  Limosella aquatica W. R. Dudley 1906-10-12 s.n. San Mateo The Santa Cruz Mountain Peninsula. Pond 15 Comment
  SEINET12279017  Linanthus androsaceus Unknown 1932-1 9020 San Mateo Los Francos Woods Comment
  SEINET5556991  Linanthus androsaceus H. S. Gentry 1931-1 91 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  UC125987  Linanthus liniflorus C. F. Baker 1902-5-4 760 San Mateo Woodside Comment
  SJSU12175  Linaria maroccana V. J. Haley 1985-3-6 San Mateo near El Monte & Moody Rds, Los Altos Hills Comment
  CDA6306  Linaria purpurea T. C. Fuller 1968-10-3 17659 San Mateo Christie s Crescent Nursery, Half Moon Bay. 0 Comment
  POM182580  Lithocarpus densiflorus var. densiflorus D. D. Keck 1931-7-5 1262 San Mateo Skyline Boulevard, due E. of La Honda. 610 Comment
  POM270415A  Lithocarpus densiflorus var. densiflorus Lyman Benson 1932-7-25 3952 San Mateo Kings Mt. above Woodside; San Francisquito Cr. watershed. 305 Comment
  JROH3893  Lithophragma affine John Hunter Thomas 1991-4-25 24998 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below Rattlesnake Rocks 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
  JROH729  Logfia gallica John H. Thomas 1961-4-29 9193 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH734  Logfia gallica John H. Thomas 1971-5-30 15961 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH738  Logfia gallica John Hunter Thomas 1977-6-16 18750 San Mateo Jasper Ridge Biological Preserve, Stanford University; near old racing oval Comment
  UC1132203  Lolium multiflorum H. S. Yates 1935-5-8 5224 San Mateo 1 mi n Bolsa Pt.; Santa Cruz Quad. Comment
  UC38772  Lolium perenne Alice Eastwood May 1894 San Mateo South San Francisco Comment
  CAS-BOT-BC269127  Lolium perenne W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. Road at top of Matara Mt. Comment
  CAS-BOT-BC269174  Lolium temulentum No date on label s.n. San Mateo Colma Comment
  POM132621  Lomatium caruifolium C. F. Baker 1902-3-30 426 San Mateo Crystal Springs Lake Comment
  OBI8888  Lomatium dasycarpum Lewis S. Rose 1965-4-22 65027 San Mateo San Bruno Mtn, S of parking lot 366 Comment
  SEINET196566  Lomatium dasycarpum Pete Rowen 1950-4-16 89 San Mateo Colma Canyon San Brumo Mts. Comment
  JEPS17133  Lomatium dasycarpum subsp. dasycarpum W. L. Jepson 1914-3-22 5737 a San Mateo Redwood City Comment
  JEPS23880  Lomatium dasycarpum subsp. dasycarpum Le Roy Abrams 1902-5-11 2447 San Mateo Crystal Springs Lake Comment
  JROH271  Lomatium dasycarpum subsp. dasycarpum John Hunter Thomas 1988-5-16 24461 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH277  Lomatium macrocarpum John H. Thomas 1974-4-13 17149 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU1078  Lomatium macrocarpum C. W. Sharsmith 1951-4-6 5821 San Mateo Woodside Hills c. 3 mi W of Woodside 182 Comment
  POM202458  Lomatium macrocarpum L. S. Rose 1933-5-17 33168 San Mateo Redwood City Comment
  CAS-BOT-BC240584  Lonicera hispidula Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountain. Radio Road Comment
  CAS-BOT-BC240585  Lonicera hispidula A. D. E. Elmer 1903-7-1 4596 San Mateo Lake San Andreas Comment
  CAS-BOT-BC240604  Lonicera hispidula Josephine D. Randall 1907-7-8 22 San Mateo Santa Cruz Peninsula. King's Mt. Road Comment
  JROH1652  Lonicera hispidula John H. Thomas 1970-7-5 15664 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1666  Lonicera hispidula John Hunter Thomas 1992-7-24 25382 San Mateo Jasper Ridge Biological Preserve, Stanford University; causeway and boat launching ramp Comment
  RSA3893  Lonicera hispidula var. vacillans I. L. Wiggins 1929-6-4 3774 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  UC1125236  Lonicera hispidula var. vacillans G. E. Sindel 1935-7-23 296 San Mateo 3/4 mi s Alpine Creek; Santa Cruz Quadrangle Comment
  CAS-BOT-BC243964  Lonicera involucrata var. ledebourii Roxana S. Ferris 1920-3-8 1762 San Mateo Crystal Springs - Half Moon Bay Road 426 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
  CAS-BOT-BC243973  Lonicera involucrata var. ledebourii W. R. Dudley 1894-3-26 s.n. San Mateo Near Lobitos Creek, Santa Cruz Mountain Peninsula Comment
  SBBG53038  Lonicera involucrata var. ledebourii C. Bornstein 1994-6-7 San Mateo Gazos Crk Rd, 0.9 mi E of Hwy 1 22 Comment
  UC1536785  Lonicera involucrata var. ledebourii G. H. True 1936-4-5 387 San Mateo canyon between San Gregorio and Pescadero 30 Comment
  CAS-BOT-BC243965  Lonicera involucrata var. ledebourii Walter Knight 1964-9-14 834 San Mateo Ridge between Peak Mt. and Highway 1 Comment
  JROH2051  Lotus corniculatus Carol Zabel 1989-6-1 17 San Mateo Jasper Ridge Biological Preserve, Stanford University; San Francisquito Creek bank, just downstream from low-flow crossing on Road C Comment
  UCD106718  Lotus corniculatus B. Crampton 1962-6-11 6490 San Mateo Pacifica, north city limits, along State Hwy. 1 just southwest of its junction with Skyline Blvd. Comment
  SEINET3696856 Image available Lotus formosissimus Ethel Crum 1934-4-29 1701 San Mateo South of Pescadero 30 Comment
  CDA28794  Lotus junceus D. G. Kelch 2009-6-9 9 .397 San Mateo Santa Cruz Mts.; Chert outcrop and adjacent mixed evergreen forest along Skyline Blvd ~1 km W of Skegg s Point. Comment
  UC69628  Lotus micranthus J. Burtt Davy 1895-4-20 1045 San Mateo Lake Pilarcitos Comment
  SEINET3558576 Image available Lotus scoparius Lewis S. Rose 1934-6-2 34282 San Mateo Belmont. Comment
  UC311102  Lotus scoparius A. D. E. Elmer 1903-6-1 4447 San Mateo Belmont Comment
  RSA788951  Lotus tenuis Peter Rubtzoff 1976-6-13 8631 San Mateo San Bruno Mountains. Saddle area on N side of Guadalupe Canyon Parkway, west of Radio Road junction, margin of marshy area NW of Fog Forest. Comment
  HSC23870  Lotus unifoliolatus var. unifoliolatus Mary Katherine Wicksten 1971-6-15 24 San Mateo Huddart Park Rd. bank near office Comment
  UC1594176  Lotus wrangelianus Jerry Powell 1991-5-14 1602 San Mateo Edgewood Park Comment
  CAS-BOT-BC60244  Lunaria annua Miss H. Thompson 1907-4-6 s.n. San Mateo Roadside near Woodside. Comment
  JEPS83227  Lupinus Adele Lewis Grant 1917-3-6 938 San Mateo Pebble Beach near Pescadero; near Pescadero, Pebble Beach 3 Comment
  UC311390  Lupinus A. D. E. Elmer May 1903 4827 San Mateo Portola Comment
  JROH5696  Lupinus affinis John Rawlings 2013-4-2 1414 San Mateo Jasper Ridge Biological Preserve, Stanford University. Bank above Rd E at eastern terminus of Trail 13. 110 Comment
  JROH2113  Lupinus affinis H. J. Dengler 1972-3-26 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; 100 yds. +/- Quercus chrysolepis site in field Comment
  SEINET10488355  Lupinus affinis David B. Dunn, Howard Brown 1946-5-16 Dunn 2601 San Mateo At the top of canyon road. 0.7 Mile e of the junction with skyline blvd, Junction being 20.8 miles from bridge on n side of boulder creek, on the summit Of the rolling hills of san francisco penninsula Comment
  CAS-BOT-BC195797  Lupinus albifrons var. albifrons Charles Piper Smith 1948-6-21 48466 San Mateo Highway 5 - C.S. Dam-Bridge, 0.5 miles south Comment
  CAS-BOT-BC195821  Lupinus albifrons var. albifrons L. R. Abrams 1904-4-10 38 San Mateo San Mateo Canon [Canyon], Santa Cruz Mts. 121 Comment
  CAS-BOT-BC196111  Lupinus albifrons var. collinus Elizabeth McClintock; Walter Knight; Irja Knight; Baki Kasapligil 1967-7-18 s.n. San Mateo In Colma Canyon Comment
  CAS-BOT-BC196113  Lupinus albifrons var. collinus John H. Thomas 1955-4-6 4833 San Mateo East facing slope of San Bruno Mountain just north of South San Francisco 91 Comment
  CAS-BOT-BC27391  Lupinus apricus C. P. Smith 1908-4-13 1404 San Mateo Stanford University, Cedro Cottage Field. Comment
  CAS-BOT-BC196433  Lupinus arboreus John Thomas Howell 1933-4-9 10973 San Mateo 2 miles n. of Pigeon Pt. Comment
  UCD106655  Lupinus arboreus June McCaskill 1954-5-8 297 San Mateo Moss Beach. Comment
  SEINET5327651  Lupinus arboreus E. Crawford 1982-9-25 s.n. San Mateo On west side of Highway 1 at intersection with Bonny Doon Road. 12 Comment
  POM349927  Lupinus arboreus var. arboreus Ynez Whilton Winblad 1934-7-4 s.n. San Mateo Taken in the sand dunes at Pescadero Beach. Comment
  RSA10285  Lupinus arboreus var. arboreus H. A. Barker 1927-5-14 664 San Mateo North of Half Moon Bay. Comment
  POM11367  Lupinus arboreus var. eximius C. P. Smith 1922-4-29 3503 San Mateo Montara Mountains, above Lake Pilarcitos. Comment
  UC73188  Lupinus bicolor Harley P. Chandler 1901-3-14 794 San Mateo Colma Comment
  UC865038  Lupinus bicolor L. R. Abrams 1918-5-1 7053 San Mateo San Bruno Hills; Bay shore road Comment
  SEINET7545231  Lupinus bicolor subsp. pipersmithii C. P. Smith 1908-1 1403 San Mateo Stanford University. Cedro Cottage Field Comment
  SEINET10903830  Lupinus bicolor var. umbellatus Walter Knight, Irja Knight 1964-4-13 Knight 709 San Mateo Power line ridge in grassland. Comment
  RSA413555  Lupinus densiflorus var. densiflorus E. A. Purer 1933-8-25 5512 San Mateo Skyline Drive. Comment
  POM11076  Lupinus densiflorus var. palustris A. D. E. Elmer 1903-06 4413 San Mateo Lake San Andreas. Comment
  UC865157  Lupinus formosus var. formosus Alice Eastwood, John Thomas Howell 1938-6-26 6077 San Mateo Crystal Springs Lake Comment
  SEINET3131584  Lupinus latifolius L. S. Rose 1939-5-5 39096 San Mateo San Mateo Canyon 46 Comment
  POM276512  Lupinus latifolius subsp. latifolius Lyman D. Benson 1935-4-27 6420 San Mateo La Honda Road, Santa Cruz Mts, east of Skyline Blvd., San Francisco Bay watershed. 457 Comment
  SD37896  Lupinus latifolius var. latifolius Delzie Demaree 1932-4-9 8979 San Mateo Near entrance to [Gov.?] Ralph Estate Comment
  UCSC011283  Lupinus latifolius var. latifolius Unknown 1972-5-26 s.n. San Mateo Waddell Creek Area Comment
  CDA27504  Lupinus microcarpus var. microcarpus T. C. Fuller 1967-6-13 15946 San Mateo East above Crystal Springs Like, 0.2 mile east of Skyline Boulevard, road to San Mateo. 0 Comment
  JROH2128  Lupinus nanus John H. Thomas 1975-4-5 17716 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2138  Lupinus nanus John Hunter Thomas 1983-4-7 21334 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH2140  Lupinus nanus John Hunter Thomas 1988-4-28 24423 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET12154596  Lupinus nanus M. T. Doutt 1931-1 s.n. San Mateo Skyline Blvd, W of Hillbrae Comment
  UC15978  Lupinus nanus Ivar Tidestrom May 1894 San Mateo Comment
  SEINET10490156  Lupinus nanus subsp. latifolius Charles Piper Smith 1948-4-23 Smith 48137 San Mateo Hwy 1, moss peach p.o. Comment
  SEINET10903924  Lupinus polycarpus David B. Dunn, Howard Brown 1946-5-16 Dunn 2602 San Mateo Collected at the top of the canyon rd, .7 mi e of the jct. With skyline drive, Grassy roadbanks. Summit of the rolling hills of the san francisco hills. Comment
  JEPS125910  Lupinus variicolor Dean W. Taylor 2002-3-20 17955 San Mateo Franklin Point, coastal bluff, about 1 mile SE along the coast from actual point. Comment
  POM10796  Lupinus variicolor E. B. Copeland 1903-6-3 3301 San Mateo Montara Point Comment
  SEINET7076091 Image available Lupinus variicolor 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
  POM190281  Lupinus variicolor D. D. Keck 1932-5-11 1967 San Mateo Two miles north of San Gregorio. 15 Comment
  RSA134069  Lupinus variicolor W. R. Dudley 1900-3-17 s.n. San Mateo Grade south side Montara Mts. Comment
  UCD109673  Lupinus variicolor P. B. Kennedy 1921-6-3 s.n. San Mateo back of Millbrae Ranch. Comment
  SJSU10398  Luzula comosa E. C. Garbett 1961-4-8 San Mateo Searsville Lake Park at head of San Francisquito Creek Comment
  POM290438  Luzula comosa Arthur L. Cohen 1935-4-21 634 San Mateo Jasper Ridge, Stanford University. Santa Cruz Mtn Range, San Francisco Bay Watershed. 152 Comment
  CAS-BOT-BC441267  Luzula macrantha E. A. McGregor 1908-3-9 s.n. San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC441363  Luzula subsessilis Elizabeth McClintock 1964-4-17 s.n. San Mateo San Bruno Mountain: on top of mountain 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
  JROH2954  Lythrum hyssopifolia John H. Thomas 1967-6-1 12955 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA0011335  Lythrum hyssopifolia Josephine Randall 1907-6-29 247 San Mateo Portola Valley. Comment
  CAS-BOT-BC342588  Madia Paul Reeberg 1989-5-30 s.n. San Mateo San Bruno Mountains. Owl Canyon Comment
  CAS-BOT-BC343907  Madia elegans Bruce G. Baldwin 1985-10-19 547 San Mateo 3.3 miles south of junction with California State Highway 92 along Canada Road Comment
  JROH1044  Madia exigua John H. Thomas 1969-5-28 15090 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1042  Madia exigua Herb Dengler 1963-5-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; S E S L site Comment
  JROH1069  Madia gracilis Oz Garton 1968-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1071  Madia gracilis John H. Thomas 1969-5-28 15093 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1077  Madia gracilis John Hunter Thomas 1980-5-8 19946 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC917256  Madia gracilis W. A. Harvey and J. M. Tucker 1948-6-29 1703 San Mateo beside road to, just w of junction with Highway 5 Portola State Park; Skyline Boulevard Comment
  CAS-BOT-BC343324  Madia gracilis Elizabeth McClintock; Philip C. Wheeler 1967-5-14 s.n. San Mateo San Bruno Mountain. East side of mountain, above Harold Ave., Brisbane. Near fence separating Brisbane from Crocker Estate portion of mountain Comment
  CAS-BOT-BC343331  Madia gracilis George Oberlander 1949-7-24 270 San Mateo San Francisco Watershed Reserve. Near Pilarcitos Lake Comment
  CAS-BOT-BC343340  Madia gracilis James I. McMurphy 1909-5-25 s.n. San Mateo San Mateo Canyon 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
  CAS-BOT-BC353466  Madia sativa Peter Rubtzoff 1975-9-11 8378 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. Comment
  JROH1098  Madia sativa John H. Thomas 1963-6-23 10163 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Westridge end of ridge Comment
  JROH1100  Madia sativa John H. Thomas 1971-8-7 16020 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1116  Madia sativa John Hunter Thomas 1988-10-17 24594 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1069902  Madia sativa N. K. Carlson 1935-6-29 101 San Mateo 1 1/2 mi se Pescadero Pt.; Santa Cruz Quad., San Mateo Comment
  CAS-BOT-BC345121  Madia sativa James I. McMurphy 1906-9-24 s.n. San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC345123  Madia sativa Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain. Quarry 4 Comment
  POM298334  Madia sativa D. D. Keck 1930-10-15 988 San Mateo SW of Woodside 457 Comment
  UCD134343  Madia sativa Lewis S. Rose 1966-8-6 66078 San Mateo San Bruno Mountain, head of Colma Canyon. 213 Comment
  JROH4695  Maianthemum racemosum John H. Thomas 1964-4-19 10325 San Mateo Jasper Ridge Biological Preserve, Stanford University. Area below dam in among redwoods near creek Comment
  CAS-BOT-BC512102  Maianthemum racemosum subsp. amplexicaule P. C. Wheeler 1966-4-24 s.n. San Mateo Trillium Canyon; San Bruno Mountain Comment
  SEINET12055169  Maianthemum racemosum subsp. amplexicaule Unknown 1914-1 s.n. San Mateo San Francisquito Creek Comment
  CHSC13506  Maianthemum stellatum S. Villard 1974-4-28 7 San Mateo Found on King's Mt. Rd., ca. 1.5 mi w of Mounted Patrol Grounds, Woodside. 182 Comment
  JROH4704  Maianthemum stellatum John H. Thomas 1969-4-12 14885 San Mateo Jasper Ridge Biological Preserve, Stanford University. Redwoods below dam Comment
  CAS-BOT-BC514168  Maianthemum stellatum Philip Wheeler 1965-6-13 s. n. San Mateo Colma Canyon Comment
  UC575701  Malacothamnus davidsonii Lewis S. Rose 1935-6-11 35213 San Mateo 3 mi w Stanford University Foothills Comment
  UCD116405  Malva arborea Ellen Dean; Tom Starbuck, Margaret Starbuck 2005-10-16 2745 San Mateo Town of Miramar, N of Half Moon Bay. Along Mirada Rd. on coastal bluff overlooking beach. Comment
  JROH2965  Malva nicaeensis John H. Thomas 1970-7-5 15672 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2966  Malva nicaeensis John H. Thomas 1970-7-5 15672 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SBBG51307  Malva sylvestris J. Doty 1969-3-24 580 San Mateo N side of Embarcadero Rd, just W of W boundary of Byxbee Marshlands Wildlife Preserve, Menlo Park 1 Comment
  SD39324  Malvella leprosa Edith Purer 1933-8-13 5424 San Mateo Field, Santa Clara Valley near Belmont Comment
  RSA141087  Malvella leprosa John H. Thomas 1960-6-25 8787 San Mateo Redwood City. Along or near a small creek running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street. 8 Comment
  UC1746099  Marah fabacea Annetta Carter, Helen Sharsmith 1937-5-23 1320 San Mateo N end of Crystal Springs Lake. Comment
  RSA92812  Marah oregana P. H. Raven 1950-4-16 1786 San Mateo Colma Canyon, San Bruno Mts. 122 Comment
  JROH615  Matricaria discoidea John H. Thomas 1965-5-12 10647 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC348194  Matricaria discoidea Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo San Bruno Mountain. Crocker Hills Comment
  CAS-BOT-BC348195  Matricaria discoidea Peter H. Raven 1950-6-3 2211 San Mateo Along Millbrae Ave., Millbrae 60 Comment
  CAS-BOT-BC422679  Meconella californica A. D. E. Elmer 1903-4-1 4499 San Mateo San Mateo toward Crystal Springs Lake Comment
  UC635442  Meconella californica H. L. Mason 1928-2-22 4162 San Mateo San Bruno Mtns Comment
  JROH2155  Medicago arabica John Hunter Thomas 1992-4-23 25156 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Rattlesnake Rocks and along trail to redwoods Comment
  CHSC39845  Medicago polymorpha Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  JROH2164  Medicago polymorpha John H. Thomas 1967-5-10 12840 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5299  Melica californica W. H. Lennihan 1990-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Right side of trail leading from serpentine hill to oak woodlands. Comment
  CAS-BOT-BC281408  Melica imperfecta Walter & Irja Knight 1964-5-30 s.n. San Mateo San Bruno Mt. Colma Canyon Comment
  RSA187302  Melica imperfecta John H. Thomas 1964-4-12 10301 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  CAS-BOT-BC264186  Melica subulata L. R. Abrams 1915-6-14 5560 San Mateo Kings Mountain Road, first bridge Comment
  CAS-BOT-BC264188  Melica subulata W. R. Dudley 1898-4-24 s.n. San Mateo El Corte Madera, Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC264240  Melica torreyana John H. Thomas 1961-5-14 9374 A San Mateo Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek, San Francisco Watershed Reserve 152 Comment
  JROH5313  Melica torreyana John H. Thomas 1964-4-12 10310 San Mateo Jasper Ridge Biological Preserve, Stanford University. On slope to the east of the dam. Comment
  UCSB424  Melica torreyana Kraebel, C. 1932-7-24 San Mateo Cahill Ridge and Pilarcitos Creek Comment
  JROH2180  Melilotus albus John H. Thomas 1976-10-16 18418 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
  UCD18538  Melilotus albus Roman Gankin 1950-7-2 6 San Mateo east side of the Peninsula Coast Range, off of the King's Mtn. Rd. behind Woodside. 609 Comment
  JROH2196  Melilotus indicus John Hunter Thomas 1987-5-5 24243 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM16744  Melilotus indicus A. D. E. Elmer 1903-06 4278 San Mateo Crystal Springs Lake. Comment
  JROH2195  Melilotus indicus John Hunter Thomas 1983-5-23 22240 A San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack side & low-flow crossing Comment
  RSA582110  Mentha canadensis L. S. Rose 1936-9-13 36730 San Mateo Granada 2 Comment
  JROH2812  Mentha pulegium John Hunter Thomas 1979-9-9 19725 San Mateo Jasper Ridge Biological Preserve, Stanford University; edge of Searsville Lake Comment
  RSA132455  Mentha pulegium John H. Thomas 1959-8-22 8079 San Mateo Jasper Ridge, about 5 miles SW of Palo Alto 152 Comment
  JROH5838  Mentha suaveolens Ann Lambrecht 2007-8-15 30 San Mateo Jasper Ridge Biological Preserve, Stanford University; Corte Madera Creek Comment
  CDA4873  Mercurialis annua T. C. Fuller 1960-6-23 4542 San Mateo East fence line, Sanchez Adobe House, south side Linda Mar Boulevard, Pedro Valley. 0 Comment
  CDA31212  Mercurialis annua J. Eide 2010-2-19 PDR# 1527850 San Mateo East Palo Alto: in residential garden. 0 Comment
  CDA4872  Mercurialis annua T. C. Fuller 1958-10-16 1444 -58 San Mateo Just east of Sanchez Adobe House, south side of Linda Mar Boulevard, Pedro Valley. 0 Comment
  CAS-BOT-BC438142  Mesembryanthemum nodiflorum Malcom A. Nobs 1948-12-20 721 San Mateo Redwood City yacht harbor Comment
  CAS-BOT-BC348570  Micropus californicus var. californicus John H. Thomas 1971-5-2 15843 San Mateo Near intersection of Canada Road and Edgewater Road, about three miles westward from Redwood City 152 Comment
  UC88389  Micropus californicus var. subvestitus E. L. Greene 1886-5-9 San Mateo Belmont 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
  UC203060  Microseris douglasii subsp. douglasii A. D. E. Elmer May, 1903 4721 San Mateo Crystal Springs Lake Comment
  UC50038  Microseris douglasii subsp. douglasii J. Burtt Davy 1895-4-20 1073 San Mateo Crystal Springs Lake Comment
  RSA107061  Microseris douglasii subsp. douglasii L. S. Rose 1956-5-28 56079 San Mateo Skyline Blvd W of San Mateo. 183 Comment
  POM87985  Microseris douglasii subsp. tenella L. R. Abrams 1902-5-4 2425 San Mateo Woodside- Serpentine Hills Comment
  UC92108  Microseris douglasii subsp. tenella T. S. Brandegee, E. L. Greene 1886-5-9 San Mateo Belmont Comment
  UCD23299  Mimulus grandis Alan T. Whittemore 1976-5-29 s.n. San Mateo San Francisco Fish and Game Refuge. East side of Lower Crystal Springs Lake, on Sawyer's Camp Road, between L. San Andreas and Crystal Springs Lake. 100 Comment
  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
  JROH4086  Mimulus guttatus Duncan M. Porter 1961-4-8 750 San Mateo Jasper Ridge Biological Preserve, Stanford University; below large meadow on crest of ridge Comment
  POM87730  Minuartia douglasii L. R. Abrams 1901-05 1563 San Mateo Woodside Comment
  JROH1706  Minuartia douglasii Carol Zabel 1989-5-5 15 San Mateo Jasper Ridge Biological Preserve, Stanford University; Herb's serpentine loop, top of Trail 5 Comment
  RSA63116  Monardella purpurea L. S. Rose 1950-5-20 50135 San Mateo Emerald Lake region, hills w. of Redwood City. 244 Comment
  CAS-BOT-BC214071  Monardella villosa Charles Piper Smith 1908-5-31 1444 San Mateo San Mateo Canyon Comment
  CAS-BOT-BC214176  Monardella villosa Ned Cahill 1974-6-21 334 San Mateo Near the interesection of Canada and Edgewood Roads about 3 mi westward from Redwood City Comment
  RSA176713  Monardella villosa John H. Thomas 1963-6-23 10166 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles SW of Palo Alto Comment
  CAS-BOT-BC214073  Monardella villosa George Oberlander 1949-6-25 219 San Mateo Cahill Ridge, San Francisco Watershed Reserve Comment
  UC1537603  Monardella villosa subsp. franciscana Gordon H. True Jr. 1936-6-14 513 San Mateo 1 mile from Skyline Blvd. on road to Salada Beach 182 Comment
  SEINET10582378  Monardella villosa subsp. franciscana A. Graff 1993-7-13 Graff 181 San Mateo Devil's Slide, in arroyos on inland side of Hwy. 1. Mostly past bloom. Coastal scrub. Comment
  JROH2841  Monardella villosa subsp. villosa Raymond R. White 1974-5-30 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC104640  Monardella villosa subsp. villosa Katharine Brandegee 1905-6-20 San Mateo Near Lake Pilarcitos Comment
  JROH2847  Monardella villosa subsp. villosa John Hunter Thomas 1982-6-7 21026 San Mateo Jasper Ridge Biological Preserve, Stanford University; above Searsville Lake Comment
  CAS-BOT-BC327788  Monolopia gracilens Eric Walther 1920-5-9 s.n. San Mateo Woodside Comment
  CAS-BOT-BC444951  Montia fontana Evelina Cannon 1895-4-9 s.n. San Mateo South San Francisco Comment
  CAS-BOT-BC445197  Montia parvifolia W. R. Dudley 1909-4-27 s.n. San Mateo Santa Cruz Mountain Peninsula. Pulpit Rock, San Mateo Canon [Canyon] Comment
  POM164023  Montia parvifolia A. D. E. Elmer 1903-05 4577 San Mateo Iversons Place Comment
  UCD163600  Morella californica Peter Rubtzoff 1980-12-11 9634 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  CAS-BOT-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
  CAS-BOT-BC508588  Muilla maritima L. S. Rose 1927-3-25 s.n. San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC515667  Muscari botryoides J. H. Thomas 1960-3-30 8560 San Mateo San Francisco Creek near El Camino, Menlo Park. Comment
  RSA133650  Myosotis latifolia John H. Thomas 1954-4-3 3815 San Mateo La Honda Creek, about 1 mile north of La Honda. 152 Comment
  UCR198041  Myosotis latifolia S. Seiki 1998-6-1 05 San Mateo San Bruno Mountain, city of San Bruno, c. 10 yards from Skyline College parking lot 192 Comment
  CAS-BOT-BC166663  Myosotis latifolia Peter Rubtzoff 1977-4-16 8949 San Mateo San Bruno Mountains. Comment
  RSA18201  Myosotis latifolia C. B. Wolf 1929-5-25 3735 San Mateo 2 miles from Pescadero on Alpine Creek. Comment
  HSC59828  Myosotis sylvatica Clark L. Miller 1978-6-15 266 San Mateo 6 mi. S of Half Moon Bay, off Hwy. 1, on Verde Rd. 61 Comment
  CAS-BOT-BC101771  Myrica californica John H. Thomas 1976-10-7 18394 San Mateo Along coast highway #1, 0.6 miles north of northern most road to Pigeon Pt. Lighthouse. About 4.2 miles almost due south 30 Comment
  CAS-BOT-BC101773  Myrica californica Walter Knight 1964-9-14 832 San Mateo Peak Mt. Comment
  JEPS85566  Myrica californica Craig Dremann 1986-8-30 327 San Mateo near Pescadero (Bear Hollow Rd., 1/4 mi. n. of Hwy. 1 intersection) Comment
Read comments
Sep 4 2011
  RSA18326  Myrica californica Carl B. Wolf 1929-5-10 3709 San Mateo Coast at Pigeon Pt. South of Pescadero. Comment
  SEINET7040215  Nama demissa A. G. Vestal 1962-3-26 s.n. San Mateo Laguna Salada. San Francisco South Quadrangle UTM Zone 10, 545384mE, 4164305mN. Comment
  UCD87837  Nassella lepida Beecher Crampton 1962-6-11 6506 San Mateo Sharp Park, suburb of Pacifica, Mori's Point Road west of State Hwy. 1. Comment
  CAS-BOT-BC260241  Nassella pulchra Javier Penalosa 1963-3-9 2670 San Mateo San Bruno Mountain. SE of 1314 ft. summit 381 Comment
  RSA176741  Nassella pulchra John H. Thomas 1963-3-20 10023 A San Mateo Jasper Ridge Biological Experimental Area, about five miles southwest of Palo Alto. Comment
  CAS-BOT-BC260230  Nassella pulchra W. R. Dudley 1900-5-18 s.n. San Mateo Grade on slope E of Salida Valley Comment
  CAS-BOT-BC60477  Nasturtium officinale Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain. Base of Quarry 2. Comment
  LA206599  Navarretia heterodoxa Lewis S. Rose; 1941-6-12 41269 San Mateo W of Redwood City, Emerald Lake 120.0 Comment
  JROH3205  Navarretia heterodoxa (John H. Thomas) 1983-6-29 22715 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3210  Navarretia squarrosa John H. Thomas 1973-6-15 16835 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM65123  Navarretia squarrosa C. F. Baker 1903-6-30 3360 San Mateo Pilarcitos Comment
  CAS-BOT-BC389710  Navarretia squarrosa L. Sigal 1969-7-1 s.n. San Mateo Belmont Canyon out of Water Dog Lake Comment
  UCSC007750  Nemophila humifusa Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  SD38536  Nemophila menziesii Janet Turner 1933-4-19 3728 San Mateo Above Emerald Lake Comment
  UC202791  Nemophila menziesii A. D. E. Elmer April, 1903 4737 San Mateo Cemeteries Comment
  POM289745  Nemophila menziesii var. menziesii Lyman Benson 1930-5-1 2067 San Mateo Stanford University. San Lorenzo Mt. Range. 91 Comment
  CAS-BOT-BC219479  Nemophila parviflora B. S. Miller 1959-5-2 34 San Mateo Alpine Road 243 Comment
  JROH2746  Nemophila parviflora var. parviflora John Rawlings 2007-4-1 1062 San Mateo Jasper Ridge Biological Preserve, Stanford University. Rock outcrop in dry creek bed forming NW border of the Herb Dengler Transect. 73 Comment
  CAS-BOT-BC140434  Oemleria cerasiformis Javier Penalosa 1963-3-9 2701 San Mateo Ravine 1/2 mi. east of 1314ft. summit. 304 Comment
  CAS-BOT-BC140435  Oemleria cerasiformis Walter Knight; Irja Knight 1965-4-4 1011 San Mateo Bitter Cherry Ravine Comment
  JROH3711  Oemleria cerasiformis John Hunter Thomas 1981-2-14 20220 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM139643  Oemleria cerasiformis A. D. E. Elmer 1903-03 4579 San Mateo Woodside. Comment
  RSA451812  Oemleria cerasiformis L. S. Rose 1937-3-14 37002 San Mateo Moist Hills, Emerald Lake. 198 Comment
  RSA15259  Oemleria cerasiformis Carl B. Wolf 1927-2-26 222 San Mateo In chaparral on east side of La Honda grade. Comment
  UC652594  Oenothera elata subsp. hookeri L. R. Abrams and Ira Wiggins 1939-6-3 438 San Mateo 2 mi n Pigeon Point Lighthouse Comment
  RSA648323  Oenothera ovata J. Doty 1969-3-27 606 San Mateo San Gregorio State Beach Park. 15 Comment
  SEINET5766933  Orobanche californica W. A. Setchell 1909-8-29 173 San Mateo Farallone City Comment
  JEPS11666  Orobanche californica subsp. californica Mrs. Clara Hunt Sep 1908 San Mateo Farallone City. Comment
  UC1215057  Orobanche californica subsp. californica Richard Snow 1959-9-20 887 San Mateo Pigeon Point. Comment
  RSA40251  Orthocarpus densiflorus L. S. Rose 1948-5-16 48113 San Mateo Emerald Lake, west of Redwood City. 152 Comment
  RSA130958  Orthocarpus erianthus var. erianthus Hester R. Davis 1920-4-8 s.n. San Mateo Near San Francisquito Creek. Comment
  RSA130824  Orthocarpus faucibarbatus var. albidus W. R. Dudley 1896-4-17 s.n. San Mateo Near Pebble Beach, Pescadero. Comment
  SEINET10829382  Orthocarpus floribundus Robert F. Hoover 1939-4-21 Hoover 4057 San Mateo 2 miles south of Colma. Comment
  RSA184977  Orthocarpus lithospermoides L. S. Rose 1966-5-2 66034 San Mateo Emerald Lake, west of Redwood City. 91 Comment
  RSA6294  Orthocarpus lithospermoides D. D. Keck 1932-5-6 1493 San Mateo East side of Crystal Springs Lake. 61 Comment
  RSA88573  Orthocarpus lithospermoides L. S. Rose 1954-5-17 54043 San Mateo Emerald Lake, E of Redwood City. 183 Comment
  SEINET12265143  Orthocarpus lithospermoides G. A. McCallum 1933-1 s.n. San Mateo in Spring Valley Comment
  UC571124  Oxalis albicans subsp. pilosa Herbert L. Mason 1927-4-23 3677 a San Mateo between La Honda and Pescadero Summit of rd Comment
  CHSC118350  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
  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
  UC1130246  Oxalis oregana N. K. Carlson 1935-7-3 114 San Mateo 3 mi s Bellvale; Santa Cruz quad 91 Comment
  UC311197  Oxalis oregana A. D. E. Elmer March, 1903 4532 San Mateo Portola Comment
  SBBG51534  Oxalis oregana J. Doty 1969-3-26 602 San Mateo St Hwy 34, 6 mi N of its jct with St Hwy 38, San Francisco Peninsula Comment
  SEINET3347652 Image available Oxalis oregana Janet Jacob 1951-4-1 60 San Mateo 7 miles E of Pescadero Comment
  JROH5338  Panicum capillare Ann Lambrecht 2006-8-23 29 San Mateo Jasper Ridge Biological Preserve, Stanford University. San Francisquito Creek near Dennis Martin marker. 71 Comment
  JROH5340  Panicum miliaceum subsp. miliaceum Ann Lambrecht 2000-9-11 1 San Mateo Jasper Ridge Biological Preserve, Stanford University. Corte Madera Creek. Comment
  UCD88918  Paspalum distichum David Hanson 1975-11-24 s.n. San Mateo Half Moon Bay. Comment
  JROH4099  Pedicularis densiflora John H. Thomas 1955-5-6 5014 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4114  Pedicularis densiflora John H. Thomas 1976-4-2 18080 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM286384  Pedicularis densiflora Lyman Benson 1931-2-28 2610 San Mateo Town: Woodside; Mt. Range: Santa Cruz; River: San Francisquito Cr. 183 Comment
  RSA130980  Pedicularis densiflora A. M. Patterson 1907-4-27 s.n. San Mateo Kings Mt. Santa Cruz Peninsula. Comment
  JROH4108  Pedicularis densiflora John H. Thomas 1961-4-8 9068 San Mateo Jasper Ridge Biological Preserve, Stanford University; at Searsville Lake end of ridge Comment
  CAS-BOT-BC7096  Pedicularis dudleyi Adolph Daniel Edward Elmer 1903-6-1 4289 San Mateo Iverson's Place. Pescadero Creek. Comment
  CAS-BOT-BC207019  Pelargonium vitifolium Charles Piper Smith 1950-5-15 50140 San Mateo Pescadero Creek Bridge - Highway 1, 3.9 miles south Comment
  JROH5702  Pellaea mucronata var. mucronata John Rawlings 2015-3-3 1312 San Mateo Jasper Ridge Biological Preserve, Stanford University. Rocky outcrop south side of low divide north of Trail 9. 114 Comment
  JROH6183  Pellaea mucronata var. mucronata John Rawlings 2017-12-19 2308 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near south border of Preserve just east of Westridge fork of Corte Madera Creek. 134 Comment
  CAS-BOT-BC330478  Pentachaeta alsinoides Elizabeth McClintock; Phillip Wheeler 1967-5-14 s.n. San Mateo San Bruno Mountain. Wheeler's 3-aces, above Harold Road, Brisbane Comment
  SJSU14193  Pentachaeta bellidiflora Toni Corelli 1989-4-2 201 San Mateo watershed triangle between Edgewood & Canada Rds 170 Comment
  POM88666  Pentachaeta exilis L. R. Abrams 1902-4-13 2326 San Mateo San Andreas Lake. Comment
  UC133379  Pentachaeta exilis C. F. Baker 1902-4-4 446 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC77012  Pentagramma triangularis subsp. triangularis David D. Keck 1932-2-12 1365 San Mateo La Honda Road, east slope of Coast Range above Searsville Lake. 304 Comment
  CAS-BOT-BC222703  Perideridia gairdneri subsp. gairdneri V. F. Hesse 1954-7-30 1344 San Mateo Near Pebble Beach 15 Comment
  JROH309  Perideridia kelloggii John H. Thomas 1972-8-18 16148 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM132815  Perideridia kelloggii A. D. E. Elmer 1901-09 3411 San Mateo Crystal Springs Comment
  HSC23968  Perideridia kelloggii Mary Katherine Wicksten 1971-7-22 183 San Mateo Huddart Park, near park entrance Comment
  SJSU7873  Persea americana C. A. Staicer 1976-11-24 San Mateo 91 Inglewood Lane, Atherton 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-BC413610  Persicaria amphibia W. R. Dudley 1909-10-31 s.n. San Mateo Santa Cruz Mountain Peninsula. Hooper's Pond, Woodside Comment
  CAS-BOT-BC418849  Persicaria hydropiperoides Roxana S. Ferris 1920-9-3 2047 San Mateo Santa Cruz Mountain Peninsula. 2nd Mud Lake, Coal Mine Ridge Comment
  JROH3270  Persicaria lapathifolia John H. Thomas 1976-10-16 18406 San Mateo Jasper Ridge Biological Preserve, Stanford University. Dry delta in Searsville Lake at the mouth of Corte de Madera Creek. Comment
  JROH3279  Persicaria maculosa Toni Corelli 2004-10-20 281 a San Mateo Jasper Ridge Biological Preserve, Stanford University; below low flow crossing along Road C, on a moist embankment 79 Comment
  CAS-BOT-BC389692  Persicaria maculosa Mary K. Wicksten 1972-6-9 78 San Mateo San Francisquito Creek Comment
  JROH3283  Persicaria punctata John H. Thomas 1976-10-16 18414 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
  CAS-BOT-BC330311  Petasites frigidus var. palmatus L. R. Abrams 1904-3-7 s.n. San Mateo Santa Cruz Mountain Peninsula. Bear Gulch Comment
  UC1301047  Petasites frigidus var. palmatus Helen K. Sharsmith 1963-3-23 5249 San Mateo Alpine Creek Canyon San Francisco Bay Region, Santa Cruz Mountains 243 Comment
  RSA116726  Petasites palmatus L. R. Abrams 1904-3-7 s.n. San Mateo Bear Gulch. Santa Cruz Mountain Peninsula. Comment
  JROH4172  Petunia parviflora W. R. Dudley 1909-10-31 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake Comment
  POM87739  Petunia parviflora L. R. Abrams 1902-9-21 2994 San Mateo Crystal Lake Comment
  UC1211925  Phacelia californica John H. Weiler and B. Hirano 1961-3-22 6136 San Mateo steep bluff along Hwy 1 0.2 mi s Devil's Slide (n of Moss Beach) Comment
  UC511347  Phacelia divaricata Lyman Benson 1931-3-15 2639 San Mateo Emerald Lake San Francisco Bay Watershed, Santa Cruz Mt. Range, Redwood C 152 Comment
  UC672334  Phacelia divaricata Herbert L. Mason 1927-4-23 3687 San Mateo roadside between La Honda and Pescadero Creek Comment
  POM128436  Phacelia divaricata L. R. Abrams 1902-4-13 2324 San Mateo Crystal Spring. Comment
  RSA128863  Phacelia divaricata W. R. Dudley 1895-6-8 s.n. San Mateo Along the road near the alpine school house, Black Mt. Comment
  SD67316  Phacelia imbricata Darley F. Howe 1967-4-14 4352 San Mateo 7.0 miles from San Mateo on road to Half Moon Bay. 121 Comment
  UC735097  Phacelia imbricata subsp. imbricata Lincoln Constance 1946-6-7 3078 San Mateo Skyline Drive about 5 mi se Portola 457 Comment
  JROH2759  Phacelia imbricata var. imbricata John Rawlings, Ann Lambrecht 2010-6-23 0931 San Mateo Jasper Ridge Biological Preserve, Stanford University. West of blue bridge on Trail 19, several yards uphill from Rd C 91 Comment
  SEINET3840788  Phacelia malvifolia Unknown 2005-6-21 5 .367 San Mateo Northeast corner of Pilarcitos Lake, SF Water District land 250 Comment
  CAS-BOT-BC258934  Phalaris aquatica Cecilia Murray 1963-7-23 s.n. San Mateo Portola Valley Comment
  CAS-BOT-BC258935  Phalaris aquatica John H. Thomas 1968-12-18 14871 San Mateo About 0.9 miles inland from the coast along road toward Pescadero Comment
  JROH5355  Phalaris aquatica John Hunter Thomas 1978-7-2 19243 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5373  Phalaris aquatica John Hunter Thomas 1987-5-26 24324 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD227705  Phalaris aquatica G. K. Helmkamp, E. A. Helmkamp 1998-5-16 3743 San Mateo Portola Valley: Golden Hills Rd along Los Trancos Creek 106 Comment
  JROH5380  Phalaris brachystachys John Rawlings 2005-5-25 1003 San Mateo Jasper Ridge Biological Preserve, Stanford University; 100 yards west from Escobar Gate, 20 yards north of Road F 161 Comment
  CAS-BOT-BC259007  Phalaris californica Walter Knight; Irja Knight 1965-6-20 s.n. San Mateo San Bruno Mountain. Crystal Cave Canyon Comment
  RSA100972  Phalaris californica G. Oberlander 1949-4-2 27 San Mateo North Cahill; San Francisco Watershed Reserve Comment
  SEINET4692076  Phalaris californica A. D. E. Elmer 1903-1 4699 San Mateo Crystal Springs Lake Comment
  RSA22129  Phalaris minor J. T. Howell 1937-7-5 13099 San Mateo Redwood City, along Bayshore Highway Comment
  JROH5855  Phalaris paradoxa Herb Dengler 1980-6-20 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; ca. 100 yards due N. of 2nd enclosure 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-BC222503  Pholistoma auritum var. auritum Philip Wheeler 1965-6-16 s.n. San Mateo San Bruno Mountain. Gladys Canyon in Brisbane Comment
  JROH4286  Phoradendron serotinum subsp. tomentosum John H. Thomas 1955-5-6 5018 San Mateo Jasper Ridge Biological Preserve, Stanford University 182 Comment
  SEINET9341363  Phyllospadix scouleri Unknown 1966-8-8 San Mateo Half Moon Bay Comment
  JROH4174  Physalis philadelphica Toni Corelli 2011-7-12 370 San Mateo Jasper Ridge Biological Preserve, Stanford University; south of Road B 77 Comment
  SD37696  Physocarpus capitatus Janet Turner 1933-5-15 3667 San Mateo Alpine Creek Rd. Comment
  UC1206475  Physocarpus capitatus Le Roy Abrams 1902-5-4 2397 San Mateo foothills near Redwood Comment
  CAS-BOT-BC206937  Pickeringia montana var. montana Daniel Cohen 1953-5-9 86 San Mateo La Honda Road nera Skyline Drive Comment
  JROH2202  Pickeringia montana var. montana John H. Thomas 1975-6-5 17937 San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack Comment
  RSA18288  Pickeringia montana var. montana Carl B. Wolf 429 San Mateo East slope of Kings Mt. Comment
  JEPS121040  Pinus radiata Adam C. Schneider with C. Matt Guilliams 2013-3-8 40 San Mateo Crystal Springs Reservoir, Northern part of western margin of San Francisco Public Utilities Commission land. Comment
  JROH118  Pinus radiata John H. Thomas 1977-4-4 18511 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC400305  Pinus radiata none San Mateo Pescadero Coast Comment
  CAS-BOT-BC137320  Piperia elegans Phillip Wheeler 1965-8-16 s.n. San Mateo Field redacted by CAS, contact the data manager for more information Comment
  RSA0059036  Pityrogramma triangularis var. triangularis Lewis S. Rose 1938-2-23 38082 San Mateo Woodside. 152 Comment
  CAS-BOT-BC228123  Plagiobothrys chorisianus E. L. Greene 1902-3-30 429 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC228134  Plagiobothrys chorisianus Edward Lee Greene 1886-5-10 s.n. San Mateo Belmont Comment
  CAS-BOT-BC228135  Plagiobothrys chorisianus Josephine D. Randall 1907-7-23 12 San Mateo The Santa Cruz Peninsula. Near Crystal Springs Lake Comment
  UC200768  Plagiobothrys chorisianus C. F. Baker 1902-3-30 429 San Mateo Crystal Springs Lake Comment
  UC24559  Plagiobothrys chorisianus Alice Eastwood Apr 1896 San Mateo Crystal Springs Comment
  UC579690  Plagiobothrys chorisianus H. S. Yates 1935-5-8 5216 San Mateo 2 mi s Pescadero; Santa Cruz Quad. 60 Comment
  CAS-BOT-BC228156  Plagiobothrys chorisianus var. chorisianus W. R. Dudley 1896-4-17 s.n. San Mateo The Santa Cruz Mountain Peninsula. Pasture near Pebble Beach, Pescadero Comment
  CAS-BOT-BC228167  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
  JROH1408  Plagiobothrys chorisianus var. hickmanii John H. Thomas 1967-4-28 12726 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1414  Plagiobothrys chorisianus var. hickmanii D. E. Breedlove 1971-5-5 19327 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
  UC25045  Plagiobothrys nothofulvus Alice Eastwood April 1896 San Mateo Crystal Springs Comment
  UC24576  Plagiobothrys undulatus J. Burtt Davy Jun 21 1893-Jun 23 1893 1143 San Mateo Pilarcitos Lake and Canyon Pilarcitos Canyon, Pilarcitos Lake Comment
  CHSC57023  Plantago coronopus Steven Triano 1988-5-24 194 San Mateo Located ca. 750 ft s of Hwy. 1 and 2.9 mi s of Pigeon Point Light Station. 24 Comment
  SJSU2269  Plantago coronopus C. W. Sharsmith 1947-3-23 6746 San Mateo Pescadero Beach near Pescadero Point Comment
  JROH3107  Plantago erecta John H. Thomas 1955-5-6 5006 San Mateo Jasper Ridge Biological Preserve, Stanford University 182 Comment
  UCSB17043  Plantago erecta Schulte, John 1963-4-14 San Mateo Jasper Ridge; 3 miles SW of Stanford University; between Santa Clara Valley and Santa Cruz Mountains 152 Comment
  JROH3129  Plantago lanceolata John H. Thomas 1970-4-29 15616 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM61248  Plantago lanceolata Copeland 1903-6-5 3325 San Mateo Montara Point. Comment
  CAS-BOT-BC157692  Plantago major Peter Rubtzoff; Roman Gankin 1975-9-11 8371 San Mateo San Bruno Mountain. Pond NW of and across old Guadalupe Road from Saddle area (which is located on N side of Guadalupe Canyon Parkway, W of Radio Road junction Comment
  SEINET12284426  Plantago maritima Unknown 1933-1 10441 San Mateo near Pigeon Point Comment
  UC931954  Plantago maritima var. californica Verne Grant and Alva Grant 1946-6-23 7696 San Mateo s of Daly City; San Francisco Peninsula Comment
  UC1736686  Plantago subnuda Dean W. Taylor 1991-5-20 11790 San Mateo coastal bluffs near south bank of Pescadero Creek at Highway 1 9 Comment
  JEPS6470  Plantago subnuda Rimo Bacigalupi with J. R. Sweeney 1954-8-3 4736 San Mateo along upper slopes of the Edgeman road 121 Comment
  RSA18360  Platanthera leucostachys Carl B. Wolf 1929-5-25 3728 San Mateo Pebble Beach, S of Pescadero. Comment
  UC28852  Plectritis ciliosa subsp. ciliosa Ivar Tidestrom May 1894 San Mateo San Mateo County Comment
  JROH4245  Plectritis congesta subsp. brachystemon John Hunter Thomas 1981-4-23 20490 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4250  Plectritis macrocera John H. Thomas 1971-4-24 15773 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  NY278707  Plectritis nitida A. A. Heller 1907-5-28 8578 San Mateo Above Crystal Springs on the Half Moon Bay road Comment
  UCD92187  Poa August L. Hormay 1932-5-29 s.n. San Mateo San Bruno to San Francisco Bay Shore Highway. Comment
  CAS-BOT-BC255562  Poa annua John H. Thomas 1971-5-2 15868 San Mateo Near intersection of Canada Road and Edgewater Road, about three miles westward from Redwood City 152 Comment
  CAS-BOT-BC258900  Poa annua Peter Rubtzoff 1988-5-3 9913 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
  JROH5396  Poa annua John H. Thomas 1965-2-22 10551 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5543  Poa annua John Rawlings 2011-4-5 0993 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 11 S of footbridge. 130 Comment
  CAS-BOT-BC254907  Poa bulbosa W. L. Plummer 1963-3-27 s.n. San Mateo Alvin Peters property, Skyline Boulevard, Redwood City Comment
  JEPS21703  Poa douglasii W. R. Dudley 1900-3-18 San Mateo San Pedro Beach Comment
  JROH5409  Poa howellii John H. Thomas 1964-4-19 10329 San Mateo Jasper Ridge Biological Preserve, Stanford University. Area below dam in among redwoods near creek. Comment
  CAS-BOT-BC255844  Poa kelloggii Roxana S. Ferris 1920-4-26 1963 San Mateo Near mouth of canyon of Pescadero Creek, Santa Cruz Mountain Peninsula 243 Comment
  CAS-BOT-BC243123  Poa secunda subsp. secunda L. R. A. 1902-5-4 2408 San Mateo Woodside Comment
  CAS-BOT-BC244253  Poa unilateralis Walter & Irja Knight 1965-3-21 s.n. San Mateo San Bruno Mountain. E of Brisbane power lines on ridge Comment
  SJSU15794  Poa unilateralis subsp. unilateralis Toni Corelli 2010-7-8 643 San Mateo Bean Hollow State Beach along Arroyo de los Frijoles Trail 10 Comment
  CAS-BOT-BC232874  Polemonium carneum Mrs. E. C. Sutliffe 1921-4-3 s.n. San Mateo Lake Pilarcitos Comment
  JROH1710  Polycarpon tetraphyllum var. tetraphyllum John Hunter Thomas 1983-7-7 22827 San Mateo Jasper Ridge Biological Preserve, Stanford University; old beach area Comment
  SEINET10904450  Polygonum amphibium var. emersum Mary Susan Taylor 1978-8-30 Taylor 1869 San Mateo Comment
  UC204251  Polygonum amphibium var. stipulaceum A. D. E. Elmer July, 1903 4650 San Mateo San Pedro Comment
  CAS-BOT-BC413757  Polygonum argyrocoleon John Thomas Howell 1953-6-3 29057 San Mateo Bayshore Highway, Redwood City Comment
  JROH3261  Polygonum aviculare subsp. depressum John Hunter Thomas 1977-6-16 18795 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5583  Polygonum aviculare subsp. depressum John Rawlings 2013-7-16 1192 San Mateo Jasper Ridge Biological Preserve, Stanford University; a few yards downstream from the Low Flow Crossing, San Francisquito Cr. 80 Comment
  JROH3267  Polygonum aviculare subsp. depressum John Hunter Thomas 1992-5-26 25356 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low-flow crossing. Comment
  RSA176406  Polygonum coccineum John H. Thomas 1964-10-2 10510 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Edge of Searsville Lake near Bridge. Comment
  UC563966  Polygonum convolvulus Ira L. Wiggins 1935-8-24 8159 San Mateo roadside 2 mi e Half Moon Bay Comment
  CAS-BOT-BC76905  Polypodium californicum Lewis S. Rose 1964-2-6 64001 San Mateo Kings Mountain 609 Comment
  JROH80  Polypodium californicum Lawrence J. Winship 1974-11-16 18 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH82  Polypodium californicum John H. Thomas 1977-4-2 18510 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  CAS-BOT-BC76804  Polypodium glycyrrhiza W. R. Dudley 1898-3-5 s.n. San Mateo Santa Cruz Peninsula - King's Mountain Comment
  UC42919  Polypodium scouleri J. Burtt Davy 1893-6-22 San Mateo top of Pilarcitos Canyon Comment
  CAS-BOT-BC72108  Polypodium scouleri Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo Wax Myrtle Ravine Comment
  UC42915  Polypodium scouleri J. Burtt Davy 1893-6-22 San Mateo top of Pilarcitos Comment
  CAS-BOT-BC233152  Polypogon interruptus H. A. Borthwick 1920-6-1 203 San Mateo Santa Cruz Mountain Peninsula. Back of Redwood City Comment
  CAS-BOT-BC233156  Polypogon interruptus A. D. E. Elmer 1903-7-1 4694 San Mateo Pilarcitos Stone Dam Comment
  JROH5427  Polypogon interruptus John H. Thomas 1959-8-22 8085 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along stream below dam. Comment
  JROH5431  Polypogon interruptus John H. Thomas 1977-6-16 18812 San Mateo Jasper Ridge Biological Preserve, Stanford University. Delta in Searsville Lake. Comment
  JROH5437  Polypogon interruptus John Rawlings 2011-10-7 1087 San Mateo Jasper Ridge Biological Preserve, Stanford University. San Francisquito Creek bed downstream from the bridge across Road C. 85 Comment
  CAS-BOT-BC233158  Polypogon interruptus Robert Robertson 1954-4-14 76 San Mateo By roadside NW of Palo Alto Yacht Club 3 Comment
  CAS-BOT-BC237344  Polypogon monspeliensis Ned Cahill 1974-5-18 289 San Mateo Near the intersection of Canada and Edgewood roads, about 3 miles W from Redwood City Comment
  CAS-BOT-BC237345  Polypogon monspeliensis Ira L. Wiggins 1973-6-24 22019 San Mateo In bed of San Francisquito Creek, 50-60 m upstream from Pope Street Bridge, along boundary between San Mateo and Santa Clara counties Comment
  JROH5453  Polypogon monspeliensis John Hunter Thomas 1983-5-23 22240 San Mateo Jasper Ridge Biological Preserve, Stanford University. Roadside drainage near shack side & low-flow crossing. Comment
  RSA276359  Polypogon monspeliensis Jane Turner, Francis M. Ball 1962-7-7 SK&F- 1082 San Mateo Highway 1, ca. 10 miles N of Santa Cruz County line. Comment
  CAS-BOT-BC72219  Polystichum dudleyi W. R. Dudley 1902-1-1 s.n. San Mateo upper Gazos Creek Comment
  CAS-BOT-BC72220  Polystichum dudleyi W. R. Dudley 1894-3-24 s.n. San Mateo Near bridge below La Honda Comment
  SEINET11714701  Polystichum munitum Unknown 1932-1 8922 San Mateo Kings Mt Comment
  JROH5510  Potamogeton crispus Alan Grundman 1976-5-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake Comment
  CAS-BOT-BC257679  Potamogeton illinoensis Peter Rubtzoff 1965-10-19 5664 San Mateo Pilarcitos Lake. Comment
  POM193749  Potamogeton nodosus H. L. Mason 1921-5-28 s.n. San Mateo Unspecified. Comment
  UC1099838  Potamogeton pectinatus Verne Grant, Herbert L. Mason 1946-8-30 13078 San Mateo n of San Francisco County Prison 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-BC401044  Potentilla L. Sigal 1970-5-1 s.n. San Mateo Pescadero Marsh Comment
  CHSC56585  Potentilla anserina subsp. pacifica Steven Triano 1988-5-24 211 San Mateo Located ca 750 ft s of Hwy. 1 and 2.9 mi s of Pigeon Point Light Station. 24 Comment
  JEPS44178  Potentilla anserina subsp. pacifica Adele Lewis Grant 1917-5-6 941 San Mateo Pebble Beach nr Pescadero; Pebble Beach nr Pescadero Comment
  CAS-BOT-BC141934  Potentilla anserina subsp. pacifica H. M. Hall 1922-5-17 s.n. San Mateo Point Montara, wet swale at radio sta., coast of San Mateo co. Comment
  CAS-BOT-BC516344  Prosartes hookeri Le Roy Abrams 1902-5-20 2467 San Mateo King's Mountain Comment
  CAS-BOT-BC516357  Prosartes hookeri Ira L. Wiggins 1928-4-14 2912 San Mateo Alpine Creek Road Comment
  CAS-BOT-BC517397  Prosartes smithii H. L. Mason 1917-4-1 s.n. San Mateo Kings Mountain Comment
  RSA181225  Prunella vulgaris var. lanceolata John H. Thomas 1964-6-19 10430 San Mateo 0.9 miles S of Tunitas Creek near Coast Hwy, 61 Comment
  UC449935  Prunella vulgaris var. lanceolata Franklin P. Nutting 1893-7-15 San Mateo near Lake San Andreas; near Lake San Andreas Comment
  CAS-BOT-BC158171  Prunus emarginata Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo San Bruno Mountain. Bitter-cherry [Bitter Cherry] Ridge Comment
  JROH3742  Prunus emarginata A. D. E. Elmer 1903-5-1 4523 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake Comment
  RSA454145  Prunus ilicifolia L. M. Booth 1932-10-29 2119 San Mateo San Bruno Mountain. 61 Comment
  CAS-BOT-BC154657  Prunus subcordata W. R. Dudley 1904-4-10 s.n. San Mateo Alpine road, near the deep ravine bridge Comment
  SBBG33470  Prunus subcordata A. D. E. Elmer -Apr-1903 San Mateo Portola Comment
  CAS-BOT-BC356858  Pseudognaphalium californicum A. D. E. Elmer 1903-6-1 4291 San Mateo Crystal Springs Lake Comment
  JROH751  Pseudognaphalium californicum W. R. Dudley 1895-6-14 299 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH757  Pseudognaphalium californicum John H. Thomas 1967-5-10 12851 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH764  Pseudognaphalium californicum John Hunter Thomas 1978-7-2 19245 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH768  Pseudognaphalium californicum John Hunter Thomas 1983-6-29 22704 San Mateo Jasper Ridge Biological Preserve, Stanford University; top of Rattlesnake Rock Comment
  CAS-BOT-BC356852  Pseudognaphalium californicum R. E. Frenkel 1964-4-2 414 San Mateo On Spring Valley Ridge Road, SFWD, at junction of Spring Valley Ridge Road and Whiting Ridge Road 347 Comment
  CAS-BOT-BC356856  Pseudognaphalium californicum George Oberlander 1949-5-13 152 San Mateo San Francisco Watershed Reserve. Sawyer Ridge Comment
  CAS-BOT-BC356867  Pseudognaphalium californicum Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo San Bruno Mountain. East facing slope below parking lot Comment
  CAS-BOT-BC357123  Pseudognaphalium luteoalbum Fred Hemphill 1973-4-15 645 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  JROH790  Pseudognaphalium luteoalbum John Rawlings 2011-12-23 1099 San Mateo Jasper Ridge Biological Preserve, Stanford University. Boat dock near Searsville Lab (Searsville Lab Landing). 104 Comment
  CAS-BOT-BC357134  Pseudognaphalium luteoalbum Cherie Wetzel 1969-7-8 918 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  CAS-BOT-BC357135  Pseudognaphalium luteoalbum R. E. Frenkel 1963-12-7 326 San Mateo San Francisco Water District, along road edge, ca. 0.5 mile east of Halfmoon [Half Moon] Bay Club toward Pilarcitos Reservoir Comment
  CAS-BOT-BC413801  Pseudognaphalium luteoalbum Robert I. Gilbreath 1977-8-16 105 San Mateo Hillsborough. Cultivated garden area at 366 Alberta Way 160 Comment
  HSC23946  Pseudognaphalium luteoalbum Mary Katherine Wicksten 1971-6-16 13 San Mateo Huddart Park; dry bank by horse ring Comment
  HSC5701  Pseudognaphalium luteoalbum R. E. Jones 1966-4-4 37 San Mateo Ano Nuevo Beach Comment
  JROH784  Pseudognaphalium luteoalbum John Hunter Thomas 1986-5-6 24001 San Mateo Jasper Ridge Biological Preserve, Stanford University; near bath house Comment
  UC575670  Pseudognaphalium ramosissimum Lewis S. Rose 1935-8-13 35568 San Mateo Salada 30 Comment
  CAS-BOT-BC357503  Pseudognaphalium ramosissimum Peter Rubtzoff 1975-10-4 8420 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Dry, open slope just north of Guadalupe Canyon Parkway Comment
  SD39789  Pseudognaphalium stramineum Edith A. Purer 1933-7-27 5359 San Mateo Pigeon Point Comment
  CAS-BOT-BC361569  Pseudognaphalium stramineum George Oberlander 1949-7-30 327 San Mateo San Francisco Watershed Reserve. Sawyer Ridge Comment
  CAS-BOT-BC85915  Pseudotsuga menziesii Miss O. Boring 1897-8-31 s.n. San Mateo Santa Cruz Peninsula, King's Mt. Comment
  RSA15285  Pseudotsuga menziesii C. B. Wolf 1927-4-3 253 San Mateo 1 mile above La Honda. Santa Cruz Mountains Comment
  UCR201596  Pseudotsuga menziesii June Latting 1972-4-21 s.n. San Mateo Central Coast, Santa Cruz Mountains, Pseudotsuga study site 777 Comment
  CAS-BOT-BC362019  Psilocarphus tenellus George Oberlander 1950-5-6 909 San Mateo San Francisco Watershed Reserve. Sawyer Ridge Comment
  JROH1176  Psilocarphus tenellus John H. Thomas 1955-5-6 5001 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1193  Psilocarphus tenellus John Hunter Thomas 1989-5-9 24711 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH13  Pteridium aquilinum var. pubescens John Hunter Thomas 1981-4-5 20284 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek from Redwood area to Zoology Cabin ruins Comment
  CAS-BOT-BC421315  Pterostegia drymarioides John H. Thomas 1961-5-13 9333 San Mateo At Franklin Point. Comment
  CAS-BOT-BC421314  Pterostegia drymarioides W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Peninsula. By grade south slope Montara Mts. Comment
  RSA0082793  Pyrola aphylla S. S. Tillett, I. Sternback 1956-6-24 532 San Mateo Middleton property, behind (n.) Portola Camp Store, just outside Portol State Park. 396 Comment
  JROH2535  Quercus X jolonensis W. R. Dudley 1906-1-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; by road to McDonough Ranch Comment
  JROH2536  Quercus X jolonensis John Gray 1916-10-19 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2466  Quercus berberidifolia John Rawlings 2007-12-26 1065 San Mateo Jasper Ridge Biological Preserve, Stanford University; a few yards uphill of Trail I in serpentine woodland below lost serpentine prairie 85 Comment
  CAS-BOT-BC62307  Quercus chrysolepis Stkinson 1902-11-30 s.n. San Mateo Santa Cruz Mountain Peninsula, King's Mt. Comment
  JROH2488  Quercus durata var. durata John H. Thomas 1974-8-3 17502 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2511  Quercus kelloggii John Hunter Thomas 1988-4-6 24372 San Mateo Jasper Ridge Biological Preserve, Stanford University; along road near dam Comment
  RSA477345  Quercus kelloggii L. H. Jones 1909-3-3 s.n. San Mateo King's Mountain Road, Stanford University. 107 Comment
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Sep 22 2011
  UCSB1185  Quercus kelloggii Haller, John 1950-4-26 San Mateo Stanford University, near highway bridge over cree, at edge of golf course Comment
  JROH2517  Quercus lobata John H. Thomas 1967-5-31 12945 San Mateo Jasper Ridge Biological Preserve, Stanford University; above lake Comment
  POM270142  Quercus lobata Lyman Benson 1932-8-1 4032 San Mateo Stanford University, Santa Cruz Mt. Range, Corte Madera Creek watershed. 122 Comment
  CAS-BOT-BC134779  Quercus wislizeni John Thomas Howell 1971-4-12 47599 San Mateo Butano State Park Comment
  HSC23883  Quercus wislizeni Mary Katherine Wicksten 1971-6-16 16 San Mateo Huddart Park, dry gully by horse ring Comment
  UCD47590  Quercus wislizeni John M. Tucker 1994-9-9 s.n. San Mateo Huddart Park, San Mateo County. Comment
  JROH5828  Quercus wislizeni var. frutescens John Rawlings 2016-12-29 1954 San Mateo Jasper Ridge Biological Preserve, Stanford University; about 120 yards north of Road F opposite its intersection with Trail 17 to Goya Gate 178 Comment
  JROH5864  Quercus wislizeni var. frutescens Toni Corelli 2003-2-21 257 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail c Comment
  CAS-BOT-BC362552  Rafinesquia californica Theo. C. Zschokke 1903-7-10 s.n. San Mateo Santa Cruz Mountain Peninsula. New Grade Road, Black Mt. Comment
  CAS-BOT-BC379190  Ranunculus aquatilis var. aquatilis W. R. Dudley 1906-6-10 s.n. San Mateo pond by North Cahill Ridge Road Comment
  CAS-BOT-BC379084  Ranunculus aquatilis var. diffusus Carl B. Wolf 1929-4-29 3664 San Mateo in small reservoir 1 mi south of Portola Comment
  JEPS54964  Ranunculus californicus W. L. Jepson 1914-3-22 5730 San Mateo Redwood City Comment
  JEPS60724  Ranunculus californicus W. L. Jepson 1921-4-3 9116 San Mateo canyon near Colma Comment
  SD37325  Ranunculus californicus Janet Thomas 1933-4-18 27 San Mateo Emerald Lake Comment
  POM268178  Ranunculus californicus Lyman Benson 1930-5-3 2101 San Mateo Santa Cruz Mt. 244 Comment
  RSA399413  Ranunculus californicus Paul C. Silva 1948-1-31 2627 San Mateo Old La Honda Grade, 1 mi. S of Skyline Blvd. 457 Comment
  CAS-BOT-BC378524  Ranunculus californicus var. californicus Margaret A. Barry 1937-5-8 56 San Mateo grassland on Coal Mine Ridge Comment
  CAS-BOT-BC378525  Ranunculus californicus var. californicus L. R. Abrams 1901-3-1 1148 San Mateo Santa Cruz Mts. Comment
  CAS-BOT-BC378533  Ranunculus californicus var. californicus J. H. Thomas 1959-4-1 209 San Mateo serpentine hills west of Redwood City Comment
  CAS-BOT-BC378540  Ranunculus californicus var. californicus Ned Cahill 1974-4-23 165 San Mateo serpentine fields bordered by chaparral, near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JROH3489  Ranunculus hebecarpus John Hunter Thomas 1986-4-22 23970 San Mateo Jasper Ridge Biological Preserve, Stanford University. Wooded slope above east arm of Searsville Lake Comment
  SEINET12086941  Ranunculus hebecarpus P. R. Hichborn 1920-1 52 San Mateo near Searsville Lake Comment
  JEPS85713  Ranunculus lobbii L. R. Heckard and J. H. Thomas 1972-4-16 2889 San Mateo ca 1 1/2 mi s Pulgas Water Temple (along old Canada road (private), sw of Upper Crystal Springs Reservoir) 121 Comment
  UC202813  Ranunculus lobbii A. D. E. Elmer April, 1903 4734 San Mateo Alpine School House Comment
  JROH3495  Ranunculus muricatus John Hunter Thomas 1978-4-22 19105 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET12100640  Ranunculus orthorhynchus L. S. Rose 1937-1 37241 San Mateo Brisbane 6 Comment
  UC827645  Ranunculus orthorhynchus var. bloomeri Lewis S. Rose 1937-4-30 37241 San Mateo Brisbane 6 Comment
  UC13950  Ranunculus orthorhynchus var. bloomeri Alice Eastwood Feb. 1896 San Mateo Comment
  CAS-BOT-BC74196  Raphanus raphanistrum E. H. Quayle 1920-5-1 s.n. San Mateo Lomitas School near Menlo Park. Comment
  JROH5873  Raphanus sativus Ann Lambrecht 2011-7-5 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; at Bear Creek crossing near Preserve boundary fence Comment
  POM136515  Rhamnus californica A. D. E. Elmer 1903-07 4772 San Mateo Pilarcitos Stone Dam. Comment
  CAS-BOT-BC55885  Rhamnus crocea Elizabeth McClintock; Carlyn Halde; Walter Knight 1963-6-23 s.n. San Mateo Lower part of Colma Canyon Comment
  CAS-BOT-BC55893  Rhamnus crocea Carl B. Wolf 1928-3-16 1540 San Mateo Jasper Ridge, near Searsville Lake Comment
  JROH3559  Rhamnus crocea John H. Thomas 1963-3-20 10029 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Westridge end of ridge. Comment
  JROH3568  Rhamnus ilicifolia John H. Thomas 1972-5-5 16078 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS79673  Rhamnus tomentella subsp. tomentella Edward Lee 1978-8-19 San Mateo road to Scarper Peak Comment
  POM132207  Rhododendron occidentale var. occidentale A. D. E. Elmer 1903-06 4298 San Mateo Butano Creek Comment
  UC11498  Ribes californicum J. Burtt Davy 1895-4-21 1058 San Mateo Pilarcitos Creek Comment
  JROH2641  Ribes californicum var. californicum John H. Thomas 1968-3-17 14178 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD102242  Ribes divaricatum Lewis S. Rose 1965-3-16 65008 San Mateo Searsville Lake. 121 Comment
  CAS-BOT-BC173084  Ribes divaricatum var. pubiflorum F. J. Jack 1894-3-24 s.n. San Mateo La Honda Road Comment
  CAS-BOT-BC173085  Ribes divaricatum var. pubiflorum Elmer I. Applegate 1895-3-9 188 San Mateo Woodside Comment
  CAS-BOT-BC173463  Ribes malvaceum James Roof; Walter Knight; Irja Knight 1967-7-16 2072 San Mateo On north side of ridge road adjacent to Owl's Canyon 304 Comment
  CAS-BOT-BC173474  Ribes malvaceum A. D. E. Elmer 1903-3-1 4750 San Mateo Portola Comment
  CAS-BOT-BC173475  Ribes malvaceum W. R. Dudley 1893-1-1 s.n. San Mateo Near Belmont Comment
  SJSU279  Ribes malvaceum H. W. Marion 1936-3-8 San Mateo 0.25 mi E of Searsville L, near Stanford Univ Comment
  CAS-BOT-BC212829  Ribes menziesii F. V. Coville 1952-4-6 223 San Mateo North-facing slope of Tunitas Creek, on the bend west of the highway bridge Comment
  CAS-BOT-BC212838  Ribes menziesii W. R. Dudley 1893-4-1 s.n. San Mateo Near San Francisquito Creek above Searsville Resevoir Comment
  JROH2672  Ribes menziesii var. menziesii Toni Corelli 2002-8-19 248 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along Trail 1. 82 Comment
  JROH6179  Ribes menziesii var. menziesii John Rawlings, Rebecca Reynolds 2017-11-14 2305 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 2, 400 m east of its intersection with Trail 5 99 Comment
  UC463132  Ribes menziesii var. senile W. R. Dudley 1894-3-23 San Mateo above Searsville Dam (below McDonough ranch); Santa Cruz Peninsula, Canada Creek Comment
  CAS-BOT-BC144631  Ribes sanguineum var. glutinosum Lewis S. Rose 1931-1-25 s.n. San Mateo Belmont Comment
  CAS-BOT-BC144633  Ribes sanguineum var. glutinosum C. F. Baker 1902-1-15 241 San Mateo West side of King's Mt. Comment
  JEPS23909  Ribes sanguineum var. glutinosum Le Roy Abrams 1902-4-13 2333 San Mateo Crystal Springs Comment
  JROH2681  Ribes sanguineum var. glutinosum John Hunter Thomas 1982-11-6 21216 San Mateo Jasper Ridge Biological Preserve, Stanford University. On causeway. Comment
  JROH2687  Ribes sanguineum var. glutinosum Carol Zabel 1989-3-29 7 San Mateo Jasper Ridge Biological Preserve, Stanford University. Leonard's bridge (old Corte Madera Creek bridge). Comment
  UC306757  Ribes sanguineum var. glutinosum A. D. E. Elmer March 1903 4470 San Mateo Portola Comment
  UC676760  Ribes sanguineum var. glutinosum Reed C. Rollins 1941-2-22 2936 San Mateo about 10 mi nw Palo Alto; Coast Range 152 Comment
  UC921843  Ribes sanguineum var. glutinosum Lillian Lockwood 1908-3-9 San Mateo Coal Mine Ridge Comment
  RSA8343  Rigiopappus leptocladus L. S. Rose 1933-4-30 33130 San Mateo Redwood City Comment
Read comments
Jul 24 2013
  CAS-BOT-BC341023  Robinia pseudoacacia L. R. Abrams 1922-5-3 s.n. San Mateo Sutliff Garden, Stanford University Comment
  RSA159406  Romanzoffia californica John H. Thomas 1961-5-14 9369 San Mateo Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. San Francisco Watershed Reserve. 152 Comment
  UC107585  Romanzoffia californica Kellogg 1869-3-16 San Mateo San Bruno Comment
  UC107586  Romanzoffia californica C. F. Baker 1902-4-6 463 San Mateo Crystal Springs Lake; ; Crystal Springs Lake, San Mateo Co. Comment
  UC306561  Romanzoffia californica A. D. E. Elmer May, 1903 4482 San Mateo towards San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC147624  Rosa californica A. A. Heller 1907-5-28 8582 San Mateo Back of San Mateo on the Half Moon Bay road Comment
  CAS-BOT-BC147625  Rosa californica Ned Cahill 1974-6-21 333 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City 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
  CAS-BOT-BC146700  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
  CHSC42087  Rosa gymnocarpa Rusti Gammon 1986-3-30 17 San Mateo Ca. 8.1 mi sw of Saratoga. 4.1 mi w off hwy 9. Ca. 5 yds e up hillside. 569 Comment
  RSA246188  Rosa gymnocarpa E. K. Balls 1969-9-18 12174 San Mateo 6 miles S from jct (crossing) of Hwy 84 with Hwy 35 along the La Honda [road?]. Beside San Gregorio Creek. Comment
  JROH3758  Rosa gymnocarpa var. gymnocarpa W. R. Dudley 1898-4-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC146800  Rosa multiflora Peter Rubtzoff; Elizabeth McClintock; Paul Reeberg 1988-7-28 s.n. San Mateo unspecified Comment
  JROH3769  Rubus armeniacus John Hunter Thomas 1982-11-6 21215 San Mateo Jasper Ridge Biological Preserve, Stanford University. On causeway Comment
  CAS-BOT-BC152829  Rubus parviflorus W. R. Dudley 1894-12-13 s.n. San Mateo La Honda Road - Santa Cruz Peninsula Comment
  CAS-BOT-BC152838  Rubus parviflorus Alice Eastwood; John Thomas Howell 1939-7-9 7438 San Mateo Kings Mt. Comment
  JROH3771  Rubus parviflorus John H. Thomas 1970-5-16 15632 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA152234  Rubus parviflorus var. velutinus I. L. Wiggins 1925-04 1658 San Mateo On Kings Mtn Rd 3/4 mile above Woodside. Comment
  CAS-BOT-BC156769  Rubus spectabilis Walter Knight; Irja Knight 1965-4-11 s.n. San Mateo From bank of Colma Creek. Colma Canyon Comment
  CAS-BOT-BC156772  Rubus spectabilis Peter H. Raven 1951-3-12 2749 San Mateo N. base San Bruno Mountains Comment
  UCR51532  Rubus spectabilis var. franciscanus R. Ascanio 1988-4-17 s.n. San Mateo E on Gazo Creek Road off Hwy 1, c. 2 mi. north of Ano Nuevo State Reserve 85 Comment
  CAS-BOT-BC157071  Rubus ursinus L. R. Abrams 1914-10-14 5128 San Mateo [Tunitos Canon] Tunitas Canyon 121 Comment
  CAS-BOT-BC157073  Rubus ursinus John H. Thomas 1963-5-20 10129 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  CAS-BOT-BC157094  Rubus ursinus W. R. Dudley 1895-9-15 s.n. San Mateo [El Corte de Madera] Corte Madera Creek, Lumber Camp Comment
  CAS-BOT-BC157104  Rubus ursinus A. D. E. Elmer 1903-6-1 4664 San Mateo Crystal Springs Lake, southern end Comment
  CAS-BOT-BC157105  Rubus ursinus Alice Eastwood; John Thomas Howell 1938-6-26 6055 San Mateo Near Pescadero Comment
  CAS-BOT-BC389668  Rubus ursinus M. Wicksten 1968-6-20 s.n. San Mateo Memorial Park Comment
  JROH3777  Rubus ursinus W. R. Dudley 1898-4-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA15290  Rubus ursinus Carl B. Wolf 1927-4-3 258 San Mateo 1 mile above La Honda. Santa Cruz Mountains. Comment
  RSA3892  Rubus ursinus I. L. Wiggins 1929-7-4 3775 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  CAS-BOT-BC157095  Rubus ursinus W. R. Dudley 1897-1-1 s.n. San Mateo Near junction of forks of Butano Cr. Comment
  UCSB17156  Rubus ursinus 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
  RSA187411  Rumex acetosella John H. Thomas 1964-4-30 10362 San Mateo San Bruno Mtn in northern part. Northern Coastal Scrub of Munz and Keck 305 Comment
  CAS-BOT-BC422087  Rumex acetosella Elizabeth McClintock 1965-3-28 s.n. San Mateo San Bruno Mountain. Between April Brook and Radio Road. Comment
  CAS-BOT-BC433359  Rumex crispus Ned Cahill 1974-5-3 275 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City. Comment
  UC1537263  Rumex maritimus Gordon H. True Jr. 1937-10-16 847 San Mateo near Thornton Beach 15 Comment
  SEINET4182631  Rumex maritimus var. persicarioides K. Thorne, J. chandler 1986-7-25 4948 San Mateo Half Moon Bay, 2 miles south of Moss Beach at Dune Beach Comment
  JROH5664  Rumex obtusifolius John Rawlings 2014-6-17 1272 San Mateo Jasper Ridge Biological Preserve, Stanford University; near intersection of Trail 1 and Trail "a" at the small seasonal drainage that crosses Trail 1. 87 Comment
  UC569569  Rumex salicifolius var. crassus James Arata Karakawa 1937-10-20 228 San Mateo near Montara 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
  JROH2218  Rupertia physodes John Hunter Thomas 1980-4-10 19865 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD27758  Rupertia physodes Carl B. Wolf 1927-5-31 414 San Mateo North end of Searsville Lake. Comment
  RSA112461  Rupertia physodes Paul R. Hichborn 1920-5-3 174 San Mateo San Francisquito Creek near Searsville. Comment
  HSC19942  Salix exigua var. hindsiana L. S. Rose 1965-3-8 65003 San Mateo Searsville Lake 122 Comment
  CAS-BOT-BC104050  Salix hindsiana Lewis S. Rose 1965-3-8 65003 San Mateo Searsville Lake 121 Comment
  CAS-BOT-BC125370  Salix lasiandra var. lasiandra W. R. Dudley 1898-4-24 s.n. San Mateo El Corte de Madera Creek Comment
  JROH3876  Salix lasiandra var. lasiandra John H. Thomas 1975-5-2 17854 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM216549  Salix lasiolepis D. D. Keck 1932-1-24 1356 San Mateo Portola. 150 Comment
  UC1618081  Salix lasiolepis Donald G. Nelson 1939-6-14 618 San Mateo 3 mi. s of San Francisco Co, line (Skyline Blvd. due e. of Mussel Rock on coast, large permanent Sag Pond) Comment
  UCSC007752  Salix lasiolepis Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC107249  Salix lasiolepis var. bigelovii Peter Rubtzoff; Patricia Fallon 1987-8-26 9842 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-BC166958  Salix lasiolepis var. bigelovii Peter Rubtzoff 1975-10-24 8433 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  CAS-BOT-BC124491  Salix lasiolepis var. lasiolepis Walter Knight; Irja Knight 1965-2-28 862 San Mateo Radio Road at Summer Seep, San Bruno Mt. Comment
  CDA34015  Salix lucida subsp. lasiandra D. G. Kelch 2011-3-13 11 .052 San Mateo Near Half Moon Bay along Capistrano Creek. Comment
  RSA184900  Salix lucida subsp. lasiandra L. S. Rose 1965-3-16 65007 San Mateo Searsville Lake. 122 Comment
  POM176878  Salix scouleriana W. R. Dudley 1903-5-1 s.n. San Mateo From Peters Creek above Iverson's into Old Mill. Comment
  CAS-BOT-BC129072  Salix scouleriana W. R. Dudley 1900-3-18 s.n. San Mateo Below Jersey Farm near Baden - Santa Cruz Peninsula Comment
  SEINET12003643  Salix scouleriana L. S. Rose 1938-1 38303 San Mateo Skyline Blvd. & La Honda Road Comment
  CAS-BOT-BC126489  Salix sitchensis A. D. E. Elmer 1903-3-1 4874 San Mateo Portola Comment
  CAS-BOT-BC126490  Salix sitchensis A. D. E. Elmer 1903-4-1 4874 San Mateo Portola Comment
  CAS-BOT-BC126507  Salix sitchensis James McMurphy 1907-4-27 s.n. San Mateo Kings Mt. Comment
  POM196587  Salix sitchensis W. R. Dudley 1903-5-1 s.n. San Mateo Iverson's near Pescadero Creek. Santa Cruz Peninsula. Comment
  UCR109653  Salsola soda T. C. Fuller 1968-9-25 17640 San Mateo San Francisco Bay Region, Menlo Park, west end of Dumbarton Bridge 2 Comment
Read comments
May 27 2007
  SEINET5570447  Salvia spathacea H. S. Gentry 1931-1 92 San Mateo Collected about 1 miles SE of Holy Cross Cemetery. Comment
  CAS-BOT-BC246019  Sambucus nigra subsp. caerulea Walter Knight; Walter Knight 1963-6-24 s.n. San Mateo Bottom of Quarry 4 and west ravine, San Bruno Mountain Comment
  CAS-BOT-BC246027  Sambucus nigra subsp. caerulea A. D. E. Elmer 1903-7-1 4689 San Mateo Portola Comment
  CAS-BOT-BC236456  Sambucus racemosa subsp. racemosa W. R. Dudley 1900-3-16 s.n. San Mateo Ner bridge over Pilarcitos Creek, road to Halfmoon Bay, Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC236458  Sambucus racemosa subsp. racemosa A. D. E. Elmer 1903-6-1 5080 San Mateo Butano Creek Comment
  CAS-BOT-BC236452  Sambucus racemosa subsp. racemosa Nancy Kittle 1981-5-15 067 San Mateo 1 mile west of junction of Highway 280 with Sandhill Road 50 Comment
  CAS-BOT-BC235073  Sambucus racemosa var. racemosa A. D. E. Elmer 1903-5-1 4663 San Mateo Butano Creek Comment
  UC204057  Sambucus racemosa var. racemosa A. D. E. Elmer May, 1903 4663 San Mateo Butano Creek Comment
Read comments
Sep 6 2011
  RSA10396  Sanguisorba annua Carl B. Wolf 1927-6-15 2174 San Mateo Along Skyline Drive, 8 mi. S of San Francisco. Comment
  POM133576  Sanicula arctopoides A. D. E. Elmer 1900-04 2365 San Mateo Kings Mountain. Comment
  UC75021  Sanicula arctopoides Dr. E. L. Greene 1902-3-30 425 San Mateo Crystal Springs Lake; Pacific Coast, Crystal Springs Lake Comment
  HSC21617  Sanicula arctopoides L. S. Rose 1965-3-25 65012 San Mateo San Bruno Mtns., N end 122 Comment
  SEINET13945105 Image available Sanicula arctopoides Ray Smith 1915-1 sn San Mateo Burlingame. Comment
  SEINET13945107 Image available Sanicula arctopoides C. F. Baker 1902-1 425 San Mateo Crystal Springs Lake. Comment
  SEINET5625230 Image available Sanicula arctopoides Unknown 1907-1 8444 San Mateo Near Lake Merced Comment
  CAS-BOT-BC223319  Sanicula bipinnatifida Elizabeth McClintock; Philip Wheeler 1967-5-14 s.n. San Mateo San Bruno Mountain. East side of mountain, above Harold Ave., Brisbane Comment
  CHSC56963  Sanicula crassicaulis Steven Triano 1988-5-24 181 San Mateo Along w side of Old La Honda Road ca 0.6 mi s of Portola Road and 3.8 mi s of Woodside. 201 Comment
  JROH329  Sanicula crassicaulis John H. Thomas 1961-5-5 9212 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below Searsville Dam 76 Comment
  JROH334  Sanicula crassicaulis John H. Thomas 1971-5-30 15978 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH338  Sanicula crassicaulis John H. Thomas 1974-5-3 17243 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
  UCD164334  Sanicula crassicaulis Peter Rubtzoff 1976-6-30 8712 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  POM274844  Saxifraga californica Lyman Benson 1930-3-31 2025 San Mateo Stanford University. 122 Comment
  UCD137506  Scabiosa atropurpurea Collector Unknown 1925-6-15 s.n. San Mateo Pescadero, Santa Cruz Road. Comment
  JROH351  Scandix pecten-veneris John H. Thomas 1973-3-12 16484 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH357  Scandix pecten-veneris John Hunter Thomas 1981-5-25 20627 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC283130  Schedonorus arundinaceus John Thomas Howell 1955-5-25 30254 San Mateo Skyline Blvd. causeway, Crystal Springs Lake Comment
  JROH4415  Schoenoplectus acutus var. occidentalis John Hunter Thomas 1981-7-12 20698 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4416  Schoenoplectus acutus var. occidentalis John Hunter Thomas 1986-4-24 23979 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along west side of Searsville Lake between boat ramp and "old beach." Comment
  CAS-BOT-BC227874  Schoenoplectus acutus var. occidentalis Peter Rubtzoff; Elizabeth McClintock; Paul Reeberg 1989-6-3 s.n. San Mateo San Bruno Mountains. PG&E Marsh 4 Comment
  RSA365994  Schoenoplectus pungens Edith A. Purer 1933-7-27 s.n. San Mateo 2 miles south of Pigeon Point. Comment
  SJSU15221  Schoenoplectus pungens var. longispicatus Toni Corelli 2011-5-23 703 San Mateo Bean Hollow State Beach, Arroyo de los Frijoles Trail. Coastal bluff top south of Bean Hollow Beach 7 Comment
  UC1154039  Scirpus cernuus J. Clausen 1939-7-1 1745 San Mateo Ano Nuevo Point Ano Nuevo Point (in depressions in stabilized dunes) Comment
  UC75027  Scirpus cernuus Dr. E. B. Copeland 1903-6-15 3315 San Mateo Montara Point Comment
  JEPS85228  Scirpus koilolepis Roy E. Buck and James A. West 1985-4-29 526 San Mateo 1.9 air km. e.-n.e. Franklin Point (ca. 0.8 air km. n.e. of Whitehouse Canyon Rd.-CA Hwy. 1 jct, just n. of Whitehouse Canyon Rd., shallow watercourse at head of minor gulch); Cascade Ranch 60 Comment
  UC2159  Scirpus microcarpus J. Burtt Davy 1893-6-22 765 San Mateo marsh at head Lake Pilarcitos; marsh at head Lake Pilarcitos Comment
  POM51487  Scoliopus bigelovii H. R. Ebright 1922-03 s.n. San Mateo Lake Pilarcitos. Comment
  RSA132362  Scoliopus bigelovii John H. Thomas 1960-3-1 8539 San Mateo Dense redwood forest along Kings Mt. road about 0.5 mile below Skyline Blve. 610 Comment
  RSA3924  Scoliopus bigelovii Le Roy Abrams 1904-3-7 s.n. San Mateo Bear Gulch. Santa Cruz Mountain Peninsula. Comment
  SEINET926247  Scoliopus bigelovii H. S. Gentry 1931-1 20 San Mateo Collected 1.5 miles W of San Mateo, Half-Moon Bay Road. Comment
  CHSC39825  Scrophularia californica Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  JEPS23869  Scrophularia californica J. H. Thomas 1949-10-16 1153 San Mateo just n of outlet San Gregorio Creek Comment
  RSA131004  Scrophularia californica Deborah Hichborn 1920-4-20 s.n. San Mateo Near San Francisquito Creek. Santa Cruz Mountain Peninsula. Comment
  JROH2887  Scutellaria tuberosa John Hunter Thomas 1986-5-8 24029 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM64273  Scutellaria tuberosa C. F. Baker 1902-4-4 447 San Mateo Crystal Springs Lake Comment
  RSA14791  Scutellaria tuberosa L. S. Rose 1935-5-1 35140 San Mateo Belmont. Comment
  CAS-BOT-BC59052  Sedum spathulifolium Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo San Bruno Mountain, below parking lot on the top of the mountain. Comment
  CAS-BOT-BC59061  Sedum spathulifolium G. B. Rossbach 1939-6-18 756 San Mateo Ledge near 755 on SE slope of North Peak, Montara Mts. 396 Comment
  CAS-BOT-BC327388  Senecio aphanactis Fred Hemphill 1973-4-22 798 San Mateo North of Malabar Road adn Melendy Drive, San Carlos 207 Comment
  JEPS27357  Senecio aronicoides Rimo Bacigalupi with Jim Roof and L. Heckard 1961-4-24 7617 a San Mateo just e KRON television tower (on lateral ridge below and se of end of paved ridge-top, on Guadalupe Valley side of summit of San Bruno Mountain); San Bruno Mountain 304 Comment
  JEPS82096  Senecio aronicoides Rimo Bacigalupi with Jim Roof and L. Heckard 1961-4-24 7617 a San Mateo just e KRON television tower (on lateral ridge below and se of end of paved ridge-top, on Guadalupe Valley side of summit of San Bruno Mountain); San Bruno Mountain 304 Comment
  JROH1217  Senecio aronicoides John H. Thomas 1958-5-10 7163 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC363389  Senecio aronicoides Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mountain. South Power Line Ridge Comment
  CAS-BOT-BC363390  Senecio aronicoides Catherine A. Toschi 1963-3-17 63 :62 San Mateo East slope San Bruno Mountains below radio station 213 Comment
  CAS-BOT-BC353468  Senecio jacobaea Peter Rubtzoff 1975-10-24 8434 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction. Uppermost part of East Fork Colma Creek, at the northwest corner of Fog Forest, San Bruno Mountains. Comment
  JROH1225  Senecio vulgaris John H. Thomas 1973-3-12 16497 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC364637  Senecio vulgaris John H. Thomas 1963-5-20 10146 A San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  SEINET5571340  Senecio vulgaris H. S. Gentry 1931-1 96 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  UCD135850  Senecio vulgaris J. D. Skoss 1948-7-25 45 San Mateo San Vicente, near Montara. Comment
  NY804113  Sequoia sempervirens C. R. Broome 1978-7-2 2224 San Mateo Kings Mountain Road, 1.5 miles W of its junction with CA Hwy 84. Comment
  IRVC7617  Sequoia sempervirens P. W. Rundel 1962-4-12 1020 San Mateo 2 mi. E of Sky Line Hwy, on La Honda Road. Coast Range 610 Comment
  SEINET10612347  Sequoia sempervirens H. Mount 1908-3-28 Mount s.n. 1908 San Mateo Kings Mountain, vicinity of woodside. From the Herbarium of Leland Stanford Jr. University. Comment
  CDA6645  Sherardia arvensis D. G. Kelch 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  JROH3831  Sherardia arvensis John H. Thomas 1971-4-10 15762 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA295088  Sherardia arvensis Robert A. Norris 1981-4-7 4124 San Mateo Near small paved road. Vista Point near Interstate Hwy 280. Ca 1.5 miles SE of jct with State Hwy 92. Comment
  SBBG30044  Sidalcea diploscypha L. S. Rose 1935-6-9 San Mateo Emerald Lake, W of Redwood City Comment
  UCSB11675  Sidalcea malviflora Connelly, Dianne 1962-4-21 San Mateo Above main office of Westborough homes development, 10 miles north of San Francisco, Skyline Boulevard 121 Comment
  POM282902  Sidalcea malviflora subsp. malviflora Lyman Benson 1930-4-6 2044 San Mateo Moss Beach. West slope. 15 Comment
  POM282904  Sidalcea malviflora subsp. malviflora Lyman Benson 1931-4-26 2760 San Mateo Behind Stanford U., Brookside Park, Santa Cruz mtn range. 244 Comment
  JEPS127818  Silene gallica Adam C. Schneider with C. Matt Guilliams 2013-4-7 81 San Mateo Crystal Springs Reservoir Comment
  CAS-BOT-BC386858  Silene gallica H. A. Dutton 1900-4-29 s.n. San Mateo Woodside Serpentine Comment
  CAS-BOT-BC389199  Silene laciniata subsp. californica Josephine D. Randall 1907-7-24 30 San Mateo Santa Cruz Peninsula. Near Crystal Springs Lake Comment
  RSA477822  Silene scouleri Glenn A. Gorelick 1967-5-12 s.d. San Mateo San Bruno Mts; overlooking Daly City near San Francisco. Comment
  CAS-BOT-BC175276  Silene verecunda Elizabeth McClintock; Paul Reeberg 1988-8-12 s.n. San Mateo Grassland near Summit. San Bruno Mountains 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
  CAS-BOT-BC364860  Silybum marianum J. H. Thomas 1949-5-25 562 San Mateo Near western approach to the Dumbarton Bay Bridge Comment
  CAS-BOT-BC74987  Sinapis arvensis Fred Hemphill 1973-4-8 615 San Mateo San Carlos. North of Malabar Road and Melendy Drive. 207 Comment
  CAS-BOT-BC74990  Sinapis arvensis Fred Hemphill 1973-5-6 767 San Mateo San Carlos. North of Malabar Road and Melendy Drive. 207 Comment
  POM193639  Sisyrinchium bellum Le Roy Abrams 1902-4-13 2327 San Mateo San Andreas Lake. Comment
  RSA133662  Sisyrinchium bellum John H. Thomas 1950-3-19 1303 San Mateo Near intersection of Coast Hwy and road to Swanton, 1 mile SE of mouth of Waddell Creek. 30 Comment
  UCSB11441  Sisyrinchium bellum Olson, Jim 1962-4-17 San Mateo 1 mile east of Halfmoon Bay; on road to San Mateo 15 Comment
  RSA120320  Sisyrinchium bellum S. S. Tillett, I. Sternback 1956-6-24 541 San Mateo Behind (n.) Portola Camp Store, just outside Portola State Park 396 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
  SEINET12045594  Sisyrinchium bellum Unknown 1932-1 8944 San Mateo Los Francos Woods Comment
  UCD165023  Sisyrinchium californicum Peter Rubtzoff; Roman Gankin 1975-5-21 7969 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  UCR129777  Smilacina stellata var. sessilifolia C. B. Wolf 1927-4-3 00250 San Mateo Santa Cruz Mtns., 1 mile above La Honda 183 Comment
  RSA377731  Smilacina stellata var. sessilifolia Lewis S. Rose 1948-3-31 48035 San Mateo Skyline Blvd., west of Tanforan 91 Comment
  JROH4181  Solanum americanum Carol Zabel 1989-8-11 29 San Mateo Jasper Ridge Biological Preserve, Stanford University. San Francisquito Creek bank about 100 feet upstream from low-flow crossing on Road C. Comment
  JEPS12105  Solanum douglasii W. I. Follett 1934-2-18 10 San Mateo 2.6 mi n of Pigeon Point (beside the main highway) Comment
  RSA130408  Solanum douglasii W. R. Dudley 1897-10-11 s.n. San Mateo Near Half Moon Bay (Spanishtown). Comment
  SEINET12315683  Solanum furcatum M. T. Doutt 1931-1 187 San Mateo Ano Nuevo Pt Comment
  CAS-BOT-BC154180  Solanum umbelliferum A. D. Randall 1907-4-27 406 San Mateo King's Mt. Road Comment
  CAS-BOT-BC58482  Solanum umbelliferum R. C. Rollins 1941-3-16 2944 San Mateo E slope of Kings Mountain about 6 miles W of Woodside, Santa Cruz Mts. Comment
  JROH4187  Solanum umbelliferum John H. Thomas 1967-5-12 12887 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  NY820568  Solanum umbelliferum L. S. Rose 1934-2-10 34024 San Mateo Woodside. Canyons in Hills Comment
  CAS-BOT-BC157037  Solanum umbelliferum A. Menzies; B. Menzies 1965-3-14 s.n. San Mateo South Power Line Ridge Comment
  RSA681607  Solanum umbelliferum Annuschka Deb 1989-4-19 115 San Mateo YBN Berm near parking lot. From Fanny Arnold's ranch. Comment
  UC1537406  Solanum umbelliferum Gordon H. True Jr. 1936-4-5 385 San Mateo between San Gregorio Pescadero (near coast) 30 Comment
  CAS-BOT-BC422310  Soleirolia soleirolii Walter Knight; Irja Knight 1964-9-2 s.n. San Mateo San Bruno Mountain. Crocker Avenue Comment
  RSA507799  Solidago canadensis J. C. Semple, S. Heard 1986-8-23 8591 San Mateo Ca-1 ca. one km south of Pescadero State Beach. Comment
  CDA8732  Solidago canadensis A. Roach 1972-11-17 San Mateo Railroad right-of-way, South San Francisco. 0 Comment
  RSA133955  Solidago canadensis subsp. elongata John H. Thomas 1959-8-16 8065 San Mateo About two miles southwest of Pescadero. 61 Comment
  CAS-BOT-BC365537  Solidago elongata J. H. Thomas 1959-8-16 8065 San Mateo About 2 miles SW of Pescadero 60 Comment
  UC1070254  Solidago elongata T. Tyrrell 1928-9-26 12 San Mateo Pomponio Creek Santa Cruz Quad., , Plot #13 91 Comment
  CAS-BOT-BC365712  Solidago spathulata Phillip C. Wheeler 1965-8-16 s.n. San Mateo San Bruno Mountain. Lower April Brook Comment
  CAS-BOT-BC365746  Solidago spathulata Elizabeth McClintock; Walter Knight; Irja Knight; Baki Kasapligil 1967-7-18 s.n. San Mateo San Bruno Mountain. Colma Canyon near old quarry Comment
  JEPS27367  Solidago spathulata Rimo Bacigalupi with J. Roof and L. Heckard 1961-4-24 7627 San Mateo on lateral ridge below and se of end of paved ridge-top road just e KRON television tower and station (on Guadalupe Valley side of the summit of San Bruno Mountain); Guardalupe Valley side of summit San Bruno Mountain 304 Comment
  JEPS89408  Solidago spathulata Dean W. Taylor 1990-8-30 11535 San Mateo Santa Cruz Mountains, San Bruno Mountain, along the access road on the main ridge 50 feet to the e of locked gate at e end of parking lot near radio tower area San Bruno Mountain; Santa Cruz Mountains, San Bruno Mountain Comment
  UC1555381  Solidago spathulata J. A. DeBenedictis 1988-7-13 1543 San Mateo San Bruno Mountain Comment
  CAS-BOT-BC365186  Solidago velutina subsp. californica Peter Rubtzoff 1975-10-4 8415 San Mateo San Bruno Mountains. On ridge northwest of Fog Forest Comment
  CAS-BOT-BC365188  Solidago velutina subsp. californica Irja Knight; Walter Knight 1963-10-7 333 San Mateo San Bruno Mountain. Cow Trough Ravine Comment
  JROH1235  Solidago velutina subsp. californica W. R. Dudley 1893-7-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Comment
  JROH1236  Solidago velutina subsp. californica John Hunter Thomas 1989-6-17 24779 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1244  Soliva sessilis John Hunter Thomas 1978-5-12 19202 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1242  Soliva sessilis John Hunter Thomas 1978-4-25 19147 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1258  Sonchus asper subsp. asper John Hunter Thomas 1981-5-8 20555 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC235287  Sorghum bicolor J. H. Thomas 1959-11-19 8513 San Mateo Near Bayshore and University Avenue. East Palo Alto Comment
  POM182582  Sparganium erectum subsp. stoloniferum D. D. Keck 1931-8-6 1264 San Mateo Near Searsville Lake. 75 Comment
  CAS-BOT-BC236630  Spartina foliosa John Thomas Howell 1956-11-22 31962 San Mateo Near Main St. and Bayshore Highway, Redwood City Comment
  SEINET11681953  Spartina foliosa Unknown 1933-1 10528 San Mateo San Francisco Bay, Belmont Comment
  JROH1743  Spergula arvensis John Hunter Thomas 1978-4-25 19157 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSC003832  Spergula arvensis Unknown unknown s.n. San Mateo Half Moon Bay, 2 miles inland. Half Moon Bay Comment
  RSA15628  Spergula arvensis C. B. Wolf 1928-2-16 1476 San Mateo Near Alpine Road. Comment
  JEPS51204  Spergula arvensis subsp. arvensis W. L. Jepson 1923-10-18 10257 San Mateo hills w. Colma (near ocean) Comment
  SEINET7062814  Spergula arvensis subsp. arvensis A. G. Vestal 1937-6-15 s.n. San Mateo Pebble Beach west of Pescadero. UTM Zone 10, 551765mE, 4121313mN. (WGS84/NAD83). 0 Comment
  JROH1770  Spergularia John Hunter Thomas 1989-4-20 24637 San Mateo Jasper Ridge Biological Preserve, Stanford University; near caretakers trailers Comment
  CAS-BOT-BC390207  Spergularia bocconi Alice Eastwood 1937-7-25 18888 San Mateo Pebble Beach, Pescadero 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
  CAS-BOT-BC390457  Spergularia macrotheca var. macrotheca John H. Thomas 1967-5-7 12833 San Mateo Pigeon Point. Altitude about sea level. Near lighthouse Comment
  CAS-BOT-BC390468  Spergularia macrotheca var. macrotheca 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-BC390462  Spergularia macrotheca var. macrotheca Robt. T. Orr 1961-7-13 s.n. San Mateo Ano [Ano] Nuevo Island Comment
  CAS-BOT-BC390466  Spergularia macrotheca var. macrotheca W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. By grade, south slope Montara Mts. and near the ocean Comment
  CAS-BOT-BC390916  Spergularia marina John Thomas Howell 1924-9-28 666 San Mateo At the Leslie Salt Refinery Comment
  CAS-BOT-BC390918  Spergularia marina W. R. Dudley 1909-10-4 s.n. San Mateo Santa Cruz Mountain Peninsula. Vicinity of Mussel Rock Comment
  CAS-BOT-BC390701  Spergularia rubra Elizabeth McClintock; Walter Knight; Irja Knight 1963-9-2 s.n. San Mateo San Bruno Mountain. Top of ridge above Brisbane Comment
  CAS-BOT-BC390703  Spergularia rubra Philip C. Wheeler 1965-5-17 s.n. San Mateo San Bruno Mountain. In Crocker Hills near the Cow Palace Comment
  RSA128560  Spergularia salina P. H. Raven 1950-5-7 2039 San Mateo Moss Beach. Comment
  CAS-BOT-BC220977  Stachys B. Carlson 1981-5-10 042 San Mateo Dead end of Native Sons road, off Pescadero Road 152 Comment
  CHSC45762  Stachys bullata Steven Triano 1988-5-24 205 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
  JROH2901  Stachys bullata John Hunter Thomas 1977-6-16 18793 San Mateo Jasper Ridge Biological Preserve, Stanford University; along raised causeway Comment
  POM204318  Stachys bullata I. L. Wiggins 1929-7-4 3783 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  UC25935  Stachys bullata J. Burtt Davy Jun 21 1893-Jun 23 1893 1141 San Mateo Pilarcitos Lake and Canyon Comment
  UCD125820  Stachys bullata G. K. Helmkamp; E. A. Helmkamp 2001-6-2 6771 San Mateo Central CA coast: Purissima Crk Road, E of Half Moon Bay at Purissima Crk, 3.2 miles E of CA-1. 243 Comment
  JROH2907  Stachys bullata John Hunter Thomas 1984-5-27 23407 San Mateo Jasper Ridge Biological Preserve, Stanford University; beyond redwood grove along San Francisquito Creek, about 300 yards to the east Comment
  POM284551  Stachys bullata Lyman Benson 1930-5-26 2136 San Mateo Stanford University. Lake Searsville. 152 Comment
  SEINET3559385 Image available Stachys pycnantha Lewis S. Rose 1934-5-27 34279 San Mateo Emerald Lake. Comment
  UC306579  Stachys pycnantha A. D. E. Elmer June, 1903 4261 San Mateo Alpine School House Comment
  UCR279847  Stachys rigida subsp. quercetorum Peter Rubtzoff 1977-6-21 9063 San Mateo San Francisco Bay Region, San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 213 Comment
  RSA217963  Stachys rigida subsp. quercetorum Elizabeth McClintock 1963-6-9 s.n. San Mateo San Bruno Mountain, slope below parking lot. Comment
  RSA785893  Stachys rigida subsp. quercetorum Peter Rubtzoff 1975-10-11 8425 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Northwest of Fog Forest. Comment
  SEINET10499276 Image available Stachys rigida subsp. quercetorum A. Arthur Heller 1907-5-28 Heller 8577 San Mateo Above Crystal Springs on the Half Moon Bay road Comment
  UC92128  Stebbinsoseris heterocarpa T. S. Brandegee 1890-5-21 San Mateo Searsville Comment
Read comments
Nov 12 2007
  HSC31059  Stebbinsoseris heterocarpa Kenton Chambers 1952-5-24 418 San Mateo 1.2 mi. towards Woodside from Skyline junction of Woodside-La Honda Rd. Comment
  JROH1783  Stellaria media John Hunter Thomas 1978-4-20 19073 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC394063  Stellaria media Margaret A. Barry 1937-5-15 88 San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC398981  Stellaria nitens George Oberlander 1950-3-11 446 San Mateo Top of Sawyer Ridge Comment
  JROH1277  Stephanomeria virgata Toni Corelli 2006-8-8 316 a San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Road E at junction of Trail 14 106 Comment
  JROH5813  Stephanomeria virgata John Rawlings, Diane Renshaw 2016-8-8 1931 San Mateo Jasper Ridge Biological Preserve, Stanford University. On steep south-facing road bank opposite Tr. 14/Rd E intersection, a few additional plants at the Tr. 14/Rd E intersection and along the trail 106 Comment
  CAS-BOT-BC375911  Stephanomeria virgata Le Roy Abrams 1902-9-28 3002 San Mateo New Grade Road - near Portola Comment
  RSA18514  Stephanomeria virgata C. B. Wolf 1927-7-14 606 San Mateo Summit of Kings Mountain Rd. Comment
  JROH5328  Stipa lepida John Hunter Thomas 1992-5-15 25334 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC423011  Stylomecon heterophylla W. R. Dudley 1905-5-13 s.n. San Mateo Santa Cruz Mountain Peninsula. S.W. of San Mateo Comment
  CAS-BOT-BC271601  Symphoricarpos albus var. laevigatus Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo East facing slope below parking lot, San Bruno Mountain Comment
  CAS-BOT-BC271603  Symphoricarpos albus var. laevigatus Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo Horseshoe Ridge, San Bruno Mountain Comment
  CAS-BOT-BC271644  Symphoricarpos albus var. laevigatus George Oberlander 1950-3-18 590 San Mateo San Mateo Creek Comment
  SJSU110  Symphoricarpos albus var. laevigatus C. D. Duncan 1929-5-30 San Mateo Jasper Ridge above Searsville L Comment
  CAS-BOT-BC237060  Symphoricarpos mollis Ned Cahill 1974-5-13 274 San Mateo Near the intersection of Canada and Edgewood Roads, about 3 mi. westward from Redwood City Comment
  HSC23934  Symphoricarpos mollis Mary Katherine Wicksten 1971-7-15 173 San Mateo Huddart Park, on Rd. to Family Campground. Comment
  HSC5051  Symphyotrichum chilense L. S. Rose 1966-8-15 66083 San Mateo Pillar Point 2 Comment
  UC1119620  Symphyotrichum chilense A. E. Wieslander 1935-2-3 506 San Mateo .5 me se of Pigeon Pt.; Santa Cruz Quad. 30 Comment
  UCD136532  Symphyotrichum chilense Lewis S. Rose 1966-8-15 66083 San Mateo Pillar Point. 1 Comment
  CAS-BOT-BC99092  Symphyotrichum chilense W. R. Dudley 1895-9-21 s.n. San Mateo Menlo Park - Santa Cruz Peninsula Comment
  SEINET5540436  Symphyotrichum chilense H. S. Gentry 1931-1 75 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  JEPS81902  Symphyotrichum subspicatum Roger Raiche 1982-9-6 20720 San Mateo Montara Mt. 30 Comment
  UCD107044  Taraxia ovata Ogden C. Riddle 1941-4-6 66 San Mateo Finney Ridge, near Half Moon Bay. 243 Comment
  JROH368  Tauschia hartwegii John H. Thomas 1973-3-12 16488 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM141769  Tellima grandiflora A. D. E. Elmer 1903-06 4702 San Mateo Pescadero. Comment
  RSA176767  Tellima grandiflora John H. Thomas 1961-5-5 9209 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Along San Francisquito Creek below Searsville Dam. 76 Comment
  CAS-BOT-BC389698  Tellima grandiflora Mary K. Wicksten 1972-7-5 118 San Mateo Huddart Park Comment
  CAS-BOT-BC447477  Tellima grandiflora W. R. Dudley 1894-5-27 s.n. San Mateo Near top of King's Mt. Comment
  CAS-BOT-BC447483  Tellima grandiflora Le Roy Abrams 1901-5-1 1558 San Mateo Searsville-Bear Gultch Comment
  CAS-BOT-BC438269  Tetragonia tetragonoides Robert Robertson 1954-4-14 74 San Mateo N.W. of Palo Alto Yacht Club. 3 Comment
  RSA14506  Tetragonia tetragonoides I. L. Wiggins 1935-8-24 8161 San Mateo Inner edge of beach at Moss Beach Comment
  UC634944  Thalictrum fendleri H. L. Mason 1927-4-23 3680 San Mateo summit of road between La Honda and Pescadero Creek Comment
  JROH3503  Thalictrum fendleri var. polycarpum L. R. Abrams 1901-3-1 1171 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC727238  Thalictrum fendleri var. polycarpum W. R. Dudley 1904-4-10 San Mateo Alpine Rd Santa Cruz Mountain Peninsula, Black Mt. 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-BC399843  Thalictrum polycarpum W. R. Dudley 1906-5-19 s.n. San Mateo Santa Cruz Mountain Peninsula. Whipple Road - West of Redwood City Comment
  CAS-BOT-BC66663  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-BC66670  Thysanocarpus curvipes John H. Thomas 1974-4-6 17095 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  CAS-BOT-BC66680  Thysanocarpus curvipes Dr. A. Kellogg; W. G. W. Harford 1868-1-1 49 San Mateo Unspecified. Comment
  JROH1620  Thysanocarpus curvipes John Hunter Thomas 1990-4-19 24809 San Mateo Jasper Ridge Biological Preserve, Stanford University; near old fence and gate Comment
  POM354789  Tiarella trifoliata var. unifoliata E. S. Spalding 1924-6-6 s.n. San Mateo La Honda. Comment
  CAS-BOT-BC447583  Tiarella trifoliata var. unifoliata W. R. Dudley 1895-6-6 s.n. San Mateo Santa Cruz Mountain Peninsula: Pescadero Creek near Iverson's Comment
  JROH388  Torilis nodosa John Hunter Thomas 1981-5-25 20622 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC754285  Torreya californica Ira L. Wiggins 1945-5-5 11160 San Mateo about 1 mi above La Honda (along La Honda Creek); La Honda Creek 152 Comment
  JROH4757  Toxicoscordion fremontii Richard L. Garber 1971-5-18 25 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA7720  Tragopogon dubius I. J. Campbell 1964-11-19 San Mateo State Highway 1 & Whitehouse Ranch Road, Pescadero. 0 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
  CAS-BOT-BC377137  Tragopogon porrifolius Phillip Wheeler 1965-5-28 s.n. San Mateo San Bruno Mountain. Sierra Point Area Comment
  POM128507  Trientalis latifolia L. R. Abrams 1902-5-20 2468 San Mateo Kings Mountain Comment
  UCR66503  Trifolium albopurpureum L. S. Rose 1933-5-17 33172 San Mateo Redwood City 6 Comment
  UC33493  Trifolium albopurpureum var. dichotomum Mr. E. R. Drew April 1888 San Mateo San Pedro Ranch Comment
  POM18837  Trifolium bifidum C. F. Baker 743 San Mateo Woodside Comment
  JEPS127847  Trifolium bifidum var. bifidum Adam C. Schneider with C. Matt Guilliams 2013-4-7 85 San Mateo Comment
  JROH2251  Trifolium bifidum var. bifidum John H. Thomas 1958-5-10 7144 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA120985  Trifolium bifidum var. decipiens G. C. Kimber, Lucile Roush, Clarissa Kimber 1918-4-25 s.n. San Mateo Jasper Ridge Comment
  UC725794  Trifolium bifidum var. decipiens A. A. Heller 1907-5-23 8559 San Mateo near San Mateo (on Half Moon Bay Rd) Comment
  UC165612  Trifolium ciliolatum J. Burtt Davy 1893-6-17 775 San Mateo Belmont Comment
  JROH2257  Trifolium ciliolatum John H. Thomas 1975-4-30 17842 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Escobar Gate Comment
  JEPS101282  Trifolium fucatum Dean W. Taylor 1991-5-20 11792 San Mateo coastal bluffs near south bank of Pescadero Creek at Highway 1 9 Comment
  JROH2291  Trifolium fucatum John H. Thomas 1974-4-25 17204 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge Comment
  JROH2297  Trifolium fucatum John Hunter Thomas 1981-4-29 20511 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC16510  Trifolium fucatum J. Burtt Davy 1895-4-20 1022 San Mateo Millbrae Comment
  RSA40291  Trifolium fucatum var. fucatum L. S. Rose 1948-5-9 48109 San Mateo West of Burlingame. 122 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
  CAS-BOT-BC5350  Trifolium macraei Adolph Daniel Edward Elmer 1903-5-1 4812 San Mateo San Pedro Comment
  UC630795  Trifolium macraei Charles Piper Smith 1908-4-26 1420 San Mateo se cemeteries; base of San Bruno Mtn Comment
  POM20403  Trifolium microcephalum A. D. E. Elmer 1903-04 4856 San Mateo Portola. Comment
  JROH5840  Trifolium microcephalum Monika Bjorkman 1956-4-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; northeast of Escobar Gate Comment
  UCSC006035  Trifolium microdon Randall Morgan 1996-5-24 2965 San Mateo Pacifica, San Pedro Mtn. Comment
  JROH2341  Trifolium oliganthum John Hunter Thomas 1984-4-24 23309 San Mateo Jasper Ridge Biological Preserve, Stanford University; end of causeway area where earth has been removed Comment
  CDA33537  Trifolium resupinatum L. Kuwahara 2010-6-11 PDR# 1621663 San Mateo Menlo Park veterinarian submitted as clover sample. 0 Comment
  JROH2347  Trifolium subterraneum John Hunter Thomas 1980-5-13 19965 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2372  Trifolium variegatum John H. Thomas 1955-5-6 4989 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent grassy slopes Comment
  JROH2374  Trifolium variegatum John H. Thomas 1956-4-7 5605 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent slopes Comment
  JROH2381  Trifolium variegatum John H. Thomas 1971-4-10 15762 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2387  Trifolium variegatum John Hunter Thomas 1981-4-23 20470 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  OBI75561  Trifolium variegatum Lewis S. Rose 1937-5-2 37251 San Mateo Burlingame 91 Comment
  UC165542  Trifolium variegatum var. variegatum J. Burtt Davy 1893-6-22 838 San Mateo Lake Pilarcitos Comment
  UCSC004602  Trifolium vesiculosum Randall Morgan 2004-4-16 4239 San Mateo Dejernosi property NW of Skylanda Comment
  UCSC006033  Trifolium willdenovii Randall Morgan 1996-5-24 2967 San Mateo Pacifica, San Pedro Mt. Comment
  CHSC57084  Trifolium wormskioldii Steven Triano 1988-5-24 210 San Mateo Located ca 750 ft s of Hwy. 1 and 2.9 mi s of Pigeon Point Light Station. 24 Comment
  CHSC996  Trifolium wormskioldii A. Koopman 1929-5-9 San Mateo Moss Beach. 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
  JROH4723  Trillium chloropetalum John H. Thomas 1969-4-12 14892 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD27761  Trillium chloropetalum Carl B. Wolf 1927-2-27 228 San Mateo I(c) mile inland from Pescadero. 14 Comment
  SEINET5577479  Trillium chloropetalum H. S. Gentry 1931-1 1 San Mateo Collected 1.5 miles west of San Mateo, Half-moon Bay road. Comment
  RSA116750  Trillium chloropetalum var. chloropetalum James I. McMurphy 1902-3-22 s.n. San Mateo Above Portola. Comment
  CAS-BOT-BC521006  Trillium chloropetalum var. chloropetalum Janet Jones 1981-1-17 s. n. San Mateo On south side of Montara Mountain, Montara Comment
  CAS-BOT-BC521008  Trillium chloropetalum var. chloropetalum James McMurphy 1902-3-22 s. n. San Mateo Near Portola Comment
  POM50396  Trillium chloropetalum var. chloropetalum Le Roy Abrams, W. W. Eggleston 1924-3-23 19560 San Mateo Coast Range, near Palo Alto. 60 Comment
  CAS-BOT-BC521061  Trillium chloropetalum var. giganteum W. R. Dudley 1894-3-26 s.n. San Mateo Kings Mt. Comment
  CAS-BOT-BC521063  Trillium chloropetalum var. giganteum Elizabeth McClintock 1965-3-28 s.n. San Mateo San Bruno Mountain Comment
  CAS-BOT-BC521202  Trillium chloropetalum var. giganteum W. R. Dudley 1901-3-16 s.n. San Mateo Santa Cruz Peninsula: Los Trancos Creek Comment
  CAS-BOT-BC521206  Trillium chloropetalum var. giganteum C. F. Leithold 1894-3-26 s.n. San Mateo Santa Cruz Peninsula: Lobitos Creek Comment
  CAS-BOT-BC521208  Trillium chloropetalum var. giganteum Ira L. Wiggins 1928-4-14 2917 San Mateo Alpine Creek Road Comment
  CAS-BOT-BC133444  Trillium ovatum C. F. Leithold 1896-3-28 s.n. San Mateo Near Kings Mt. Comment
  CAS-BOT-BC133445  Trillium ovatum W. R. Dudley 1903-5-2 s.n. San Mateo Near Iverson's (Near Pescadero) Comment
  JEPS100825  Triphysaria eriantha subsp. rosea Dean W. Taylor 2000-6-12 17463 San Mateo Highway 1 at junction Pescadero Road, Pescadero State beach 6 Comment
  UC204180  Triphysaria eriantha subsp. rosea A. D. E. Elmer May, 1903 4670 San Mateo South San Francisco Comment
  HSC20846  Triphysaria eriantha subsp. rosea L. S. Rose 1965-3-25 65010 San Mateo San Bruno Mtns., N end 122 Comment
  UC27281  Triphysaria eriantha subsp. rosea Ivar Tidestrom May, 1894 San Mateo Comment
  CAS-BOT-BC238561  Triphysaria floribunda L. S. Rose 1927-5-1 s.n. San Mateo San Mateo Comment
  CAS-BOT-BC238575  Triphysaria floribunda R. S. Ferris; I. L. Wiggins 1932-4-7 8038 A San Mateo Hills above Colma Comment
  JEPS3988  Triphysaria pusilla Dr. L. M. Newlon 1919-4-14 4 San Mateo Moss Beach 22 Comment
  CAS-BOT-BC193499  Trisetum cernuum George Oberlander 1950-6-3 1018 San Mateo Cahill Ridge, San Francisco Watershed Reserve Comment
  SD39087  Triteleia ixioides subsp. ixioides Marie Cummings 1933-5-23 116 San Mateo La Honda. Comment
  JROH4751  Triteleia laxa John H. Thomas 1976-5-26 18157 a San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC526788  Triteleia laxa Ned Cahill 1974-4-29 174 San Mateo Serpentine fields bordered by chaparral near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City. Comment
  CAS-BOT-BC527394  Triteleia peduncularis Elizabeth McClintock 1979-5-28 s.n. San Mateo Drainage below Jane Drive, Gilmore McDowell property, Woodside Comment
  CAS-BOT-BC74059  Turritis glabra Elizabeth McClintock; Paul Reeberg 1988-3-15 s.n. San Mateo San Bruno Mountain. Near Ranger Station (Nike Base). Comment
  UC1176859  Typha domingensis Peter Rubtzoff 1957-11-20 3581 San Mateo 0.2 mi n San Gregorio road junction (ca 60 ft e of the road); ditch near coastal road Comment
  JROH4222  Ulmus minor John Hunter Thomas 1987-4-30 24214 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC73689  Ulmus parvifolia John Thomas Howell 1966-7-24 41997 San Mateo Burlingame - in flower beds near planed trees, Trousdale Ave. just west of El Camino Real. Comment
  JROH142  Umbellularia californica John Hunter Thomas 1981-12-21 20792 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM272291  Umbellularia californica Lyman Benson 1929-3-4 984 San Mateo Hill east of Lake Searsville. Comment
  RSA176662  Umbellularia californica P. H. Raven 1964-2-16 18743 San Mateo Just south of Lake San Andreas. Comment
  CAS-BOT-BC382763  Uropappus lindleyi Ned Cahill 1974-5-18 294 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JROH1298  Urospermum picroides Toni Corelli 2005-5-9 287 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along road F 154 Comment
  SEINET12026865  Urtica dioica Unknown 1932-1 9154 San Mateo Sky Line Drive Comment
  JEPS15041  Utricularia macrorhiza Roxana S. Ferris Oct. 1920 2103 San Mateo 2nd. mud lake Coalmine Ridge; Santa Cruz Mt. Peninsula, Coalmine Ridge Comment
  CAS-BOT-BC199179  Vaccinium cespitosum Elizabeth McClintock; Arthur Menzies 1963-2-16 s.n. San Mateo Near radio station on San Bruno Mountain, Kamchatka Point Comment
  JEPS58746  Vaccinium ovatum A. D. E. Elmer Apr 1903 4561 San Mateo Kings Mountain Comment
  POM222793  Vaccinium ovatum S. S. Berry 1909-3-13 s.n. San Mateo San Mateo Comment
  RSA471173  Vaccinium ovatum L. S. Rose 1934-2-23 34036 San Mateo King's Mountain. Comment
  RSA0074198  Vaccinium ovatum K. Hoppough 1929-5-8 3027 San Mateo King's Mountain. Comment
  UC141744  Vaccinium parvifolium Dr. E. B. Copeland 1903-5-9 3249 San Mateo Big Basin of Pescadero Creek Comment
  CAS-BOT-BC76139  Vancouveria planipetala Eric Walther 1919-6-9 s.n. San Mateo Woodside. Comment
  UC1537693  Verbena lasiostachys Gordon H. True Jr. 1936-6-14 500 San Mateo canyon s of Salada Beach 152 Comment
  UC615560  Verbena lasiostachys var. scabrida Beryl O. Schreiber 1932-5-29 307 San Mateo Crystal Springs Comment
  POM64686  Verbena robusta A. D. E. Elmer 1903-07 4950 San Mateo Crystal Springs Lake. Comment
  POM283828  Veronica persica Lyman D. Benson 1935-5-5 6518 San Mateo Lake Searsville. Stanford University. Santa Cruz Mtn range. S.F. Bay watershed. 152 Comment
  RSA128477  Vicia americana var. americana Peter H. Raven 1950-4-30 1958 San Mateo Montara 15 Comment
  RSA152232  Vicia americana var. americana I. L. Wiggins 1925-04 1655 San Mateo On Kings Mtn Road three fourths of a mile above Woodside. Comment
  UCD108698  Vicia americana var. americana A. A. Heller 1907-4-20 8449 San Mateo Near Lake Merced. Comment
  UC1130203  Vicia gigantea G. E. Sindel 1935-7-26 299 San Mateo 1.5 mi e Mouth of Pomponio Creek; Santa Cruz Quad. 91 Comment
  RSA101016  Vicia gigantea G. Oberlander 1950-5-28 968 San Mateo Cahill Ridge, San Francisco Watershed Reserve Comment
  UC16992  Vicia hassei J. Burtt Davy 1895-4-20 1076 San Mateo San Mateo Creek Comment
  JROH2439  Vicia sativa subsp. nigra John Hunter Thomas 1982-5-18 20945 San Mateo Jasper Ridge Biological Preserve, Stanford University; along Searsville Lake near bridge Comment
  JROH2452  Vicia sativa subsp. sativa John Hunter Thomas 1988-4-21 24403 San Mateo Jasper Ridge Biological Preserve, Stanford University; near bridge over San Francisquito Creek Comment
  UC729850  Vicia villosa subsp. varia Carl B. Wolf 1929-5-27 3737 San Mateo back of Stanford University (Los Trancos Creek); Los Trancos Creek Comment
  SBBG50995  Vinca major J. Doty 1969-3-27 611 San Mateo W side of State Hwy 1, ca. 4 mi N of San Gregorio State Beach Park 30 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
  LA209918  Viola adunca Ira L. Wiggins; 1931-2-21 5091 a San Mateo Pescadero Beach Comment
  CAS-BOT-BC264040  Viola adunca R. E. Frenkel 1963-12-7 321 San Mateo San Francisco Water District, 1.5 miles N of Halfmoon Bay Club Comment
  JEPS91201  Viola glabella Dean W. Taylor 1972-2-27 1336 San Mateo near San Andreas Lake 121 Comment
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Feb 2 2012
  UC19283  Viola glabella J. Burtt Davy 1895-4-20 1056 San Mateo Pilarcitos Creek Comment
  CAS-BOT-BC536831  Viola glabella unspecified no date on label s.n. San Mateo San Gregorio (Redwood) Comment
  CAS-BOT-BC536833  Viola glabella Roxana S. Ferris 1920-4-26 1961 San Mateo Santa Cruz Mountain Peninsula: near mouth of canon of Pescadero Crek 243 Comment
  CHSC56606  Viola ocellata Steven Triano 1988-5-24 171 San Mateo Ca 0.1 mi w of Old La Honda Road near Martin Creek and 0.4 air miles e of Skylonda. 381 Comment
  RSA130982  Viola ocellata Helen M. Edwards 1917-3-8 s.n. San Mateo Woodside. Comment
  JROH4285  Viola ocellata H. J. Dengler 1972-5-8 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Eight feet from S.F. Creek by great boulder at redwood grove by Searsville Rocks. Comment
  JEPS50194  Viola odorata James G. Daly c. 1934 181 San Mateo 4 mi w of Skyline (Upper Corte Madera Canyon); Santa Cruz Mountains, Upper Corte Madera Canyon Comment
  RSA249485  Viola pedunculata John F. Emmel 1971-6-21 397 San Mateo On grassy slope above Guadalupe Cyn