Search Results — 2000 specimen records retrieved (1349 records with coordinates)
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Results for search: County=SAN MATEO; Source=All;   

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

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC233752  Abronia umbellata C. F. Baker 1902-10-1 1742 San Mateo Pillar Point Comment
  CAS-BOT-BC233753  Abronia umbellata L. R. Abrams 1909-8-2 4276 San Mateo Pebble Beach Hotel, Pescadero, Santa Cruz Peninsula Comment
  SEINET7042346  Abronia villosa A. G. Vestal 1962-3-26 s.n. San Mateo Laguna Salada. San Francisco South quadrangle UTM Zone 10, 545384mE, 4164305mN. Comment
  CAS-BOT-BC451118  Acaena pinnatifida var. californica Reed C. Rollins 1942-4-30 3015 San Mateo San Bruno Hills, 1 mile south of Daly City. Comment
  POM141269  Acaena pinnatifida var. californica C. F. Baker 1902-5-1 688 San Mateo Crystal Springs Lake. Comment
  SJSU8181  Acaena pinnatifida var. californica S. H. Casey 1969-4-17 228 San Mateo Colma Canyon, San Bruno Mountain Comment
  RSA18356  Acaena pinnatifida var. californica Carl B. Wolf 1929-5-25 3732 San Mateo N of Pigeon Pt, San Mateo Comment
  CAS-BOT-BC219602  Acanthomintha duttonii John H. Thomas 1972-4-16 16065 A San Mateo Near Cyrstal [Crystal] Springs Reservoir near Highway 92 Comment
  CAS-BOT-BC219609  Acanthomintha duttonii Hester R. Davis 1920-6-2 182 San Mateo Back of Redwood City Comment
  UC311590  Acanthomintha duttonii Harry A. Dutton and Miss H. A. Walker May 26 1915-May 29 1915 3819 San Mateo near Menlo Golf Club Comment
  RSA116909  Acer macrophyllum I. L. Wiggins 1929-3-23 3372 San Mateo Road to Mud Lake, near Stanford University Comment
  UCD117104  Acer negundo R. E. Dengler 1960-4-20 17 San Mateo near Corte de Madera Creek, 0.5 mile from its drainage into Searseville Lake, Jasper Ridge, Stanford Biological Reserve. 375 Comment
  RSA152264  Acer negundo subsp. californicum I. L. Wiggins 1925-4-11 1633 San Mateo Hillside across from Schroders, 1.5 miles above Stanford University Comment
  CAS-BOT-BC21587  Achillea millefolium Fred Hemphill 1973-4-8 601 San Mateo San Carlos. North of Malabar Rd. and Melendy Dr. 207 Comment
  JROH443  Achillea millefolium John H. Thomas 1973-6-10 16823 San Mateo Jasper Ridge Biological Preserve, Stanford University 190 Comment
  SBBG25068  Achillea millefolium D. Myrick 1966-6-11 1446 San Mateo off Hwy 1, S of San Francisco near Pescadero Comment
  UCD18525  Achillea millefolium June McCaskill 1954-5-8 300 San Mateo Moss Beach. Comment
  CAS-BOT-BC21578  Achillea millefolium John H. Thomas 1971-5-2 15819 San Mateo Near intersection of Canada Road and Edgewater [sic] Road, about three miles westward from Redwood City 152 Comment
  CAS-BOT-BC21599  Achillea millefolium Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountain. Colma Canyon. Comment
  JROH459  Achyrachaena mollis John H. Thomas 1963-5-12 10079 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH472  Achyrachaena mollis John Hunter Thomas 1983-4-21 21641 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC29102  Achyrachaena mollis Elizabeth McClintock 1978-4-24 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  JROH2055  Acmispon americanus var. americanus John H. Thomas 1971-5-30 15962 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET957844  Acmispon brachycarpus A. D. E. Elmer 1903-1 3698 San Mateo Leland Stanford universoty. Belmont. Comment
  JROH2068  Acmispon glaber var. glaber G. H. Mallory 1919-7-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2079  Acmispon strigosus John H. Thomas 1975-4-18 17787 a San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2102  Acmispon wrangelianus John Hunter Thomas 1978-4-25 19152 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU15213  Acmispon wrangelianus Toni Corelli 2012-4-13 800 San Mateo Pigeon Point Light Station, north of light station, bluff top west of Pigeon Point Road 8 Comment
  JROH3400  Actaea rubra Carol Zabel 1989-8-27 32 San Mateo Jasper Ridge Biological Preserve, Stanford University. From the "redwood circle" on Trail 1, go east 10-12 m. South side of trail just before a 1-m-high rock. Comment
  CAS-BOT-BC391681  Actaea rubra Roland Block 1924-7-1 s.n. San Mateo King Mountain Comment
  POM270478  Actaea rubra subsp. arguta Lyman Benson 1937-7-15 8450 San Mateo Upper San Francisquito Creek, Santa Cruz Mountains; San Francisco Bay watershed. 244 Comment
  RSA523414  Actaea rubra subsp. arguta G. H. True 1936-4-5 390 San Mateo Canyon between San Gregorio and Pescadero 152 Comment
  CAS-BOT-BC29291  Adenocaulon bicolor H. L. Mason 1921-7-1 s.n. San Mateo Butano Creek Comment
  CAS-BOT-BC29293  Adenocaulon bicolor Josephine D. Randall 1907-6-29 41 San Mateo Kings Moutain Road Comment
  CAS-BOT-BC139956  Adenostoma fasciculatum David D. Keck 1932-5-25 1781 San Mateo Hills two miles west of Belmont Comment
  JROH3581  Adenostoma fasciculatum var. fasciculatum Gelsomina Smith 1951-6-5 122 San Mateo Jasper Ridge Biological Preserve, Stanford University 121 Comment
Read comments
Feb 26 2015
  RSA453174  Adenostoma fasciculatum var. fasciculatum L. S. Rose 1935-6-9 35212 San Mateo Emerald lake, W. of Redwood City. Comment
  JROH84  Adiantum aleuticum H. J. Dengler 1965-11-27 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. In the crevice immediately below the west side of the Searsville Dam, and up about 30 feet from the level of the pond below the dam 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
  SEINET1908063  Aesculus californica Carl B. Wolf 1934-1 6242 San Mateo Menlo Park, in vacant area at Cambridge Ave. & Cornell Rd., N.W. of San Francisco Creek 15 Comment
  JEPS19378  Agoseris apargioides Rimo Bacigalupi and L. R. Heckard, Tsan-Iang Chuang 1937-4-11 73 San Mateo along, (s of San Francisco) Skyline Boulevard; San Francisco Comment
  SD41371  Agoseris apargioides Edith A. Purer 1933-8-25 5515 San Mateo Sand dunes, near Skyline Drive. Comment
  CAS-BOT-BC23021  Agoseris grandiflora var. grandiflora A. D. E. Elmer 1903-4-1 4490 San Mateo Crystal Springs Lake Comment
  JROH481  Agoseris grandiflora var. grandiflora John H. Thomas 1971-5-30 15976 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC23018  Agoseris grandiflora var. grandiflora W. R. Dudley 1894-4-21 s.n. San Mateo San Mateo ravine Comment
  JROH492  Agoseris heterophylla John Hunter Thomas 1978-4-20 19074 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA18312  Agoseris heterophylla var. heterophylla C. B. Wolf 1927-7-14 599 San Mateo Summit of Kings Mountain Rd. Comment
  CAS-BOT-BC15246  Agoseris hirsuta John Thomas Howell 1924-10-19 693 San Mateo Daly City Comment
  CAS-BOT-BC15250  Agoseris hirsuta A. D. E. Elmer 1903-4-1 4930 San Mateo Cemeteries Comment
  CAS-BOT-BC15228  Agoseris hirsuta W. R. Dudley 1899-12-3 s.n. San Mateo Top of range below Goat Ranch Road near Corte de Madera Creek Comment
  CAS-BOT-BC15239  Agoseris hirsuta Josephine D. Randall 1907-11-9 s.n. San Mateo Alpine road to Black Mountain Comment
  JROH4776  Agrostis avenacea John Hunter Thomas 1982-11-6 21211 San Mateo Jasper Ridge Biological Preserve, Stanford University; old bathing beach, edge of Searsville Lake 113 Comment
  JEPS82921  Agrostis blasdalei James A. West 1983-8-14 189 San Mateo exposed coastal bluffs ca 2 km s of the Pigeon Point Lighthouse, +/- overlooking Columbia Beach Comment
Read comments
Dec 20 2015
  CAS-BOT-BC127481  Agrostis capillaris John Thomas Howell 1975-9-25 51509 San Mateo San Bruno Mountain. Comment
  JROH4780  Agrostis capillaris John Rawlings 2011-6-20 1072 San Mateo Jasper Ridge Biological Preserve, Stanford University. South side of Caretaker Residence. 105 Comment
  POM207135  Agrostis exarata Copeland 1903-6-10 3333 San Mateo Montara Point. Comment
  SEINET7594094 Image available Agrostis microphylla E. B. Copeland 1903-1 3308 San Mateo Montara Point Comment
  UCD53094  Agrostis pallens August L. Hormay 1932-5-29 s.n. San Mateo San Mateo County. Comment
  JROH4158  Ailanthus altissima John Hunter Thomas 1982-7-2 21055 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low-flow crossing 87 Comment
  RSA591524  Aira caryophyllea D. D. Keck 1932-3-6 1480 San Mateo Open hillside just west of Millbrae Highlands. 15 Comment
  CAS-BOT-BC138240  Aira caryophyllea var. caryophyllea Margaret A. Barry 1937-5-15 105 San Mateo Coal Mine Ridge. Comment
  CAS-BOT-BC138248  Aira caryophyllea var. caryophyllea W. R. Dudley 1906-5-13 s.n. San Mateo Santa Cruz Mountain Peninsula. Hills southwest of San Mateo. Comment
  CAS-BOT-BC445395  Alisma plantago-aquatica Roxana S. Ferris 1920-9-3 2045 San Mateo Second Mud Lake, Coal Mine Ridge, Santa Cruz Mountains Comment
  CAS-BOT-BC467291  Allium dichlamydeum Walter Knight; Irja Knight 1964-5-30 603 San Mateo North facing slope, Colma Canyon Comment
  POM169881  Allium falcifolium A. D. E. Elmer 1903-06 4831 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC132029  Allium peninsulare var. franciscanum L. R. A. 1902-5-4 2411 San Mateo Woodside Comment
  CAS-BOT-BC474307  Allium unifolium R. S. Ferris 1921-5-29 2183 San Mateo New Years Pt. Comment
  POM281276  Alnus rhombifolia Lyman Benson 1929-2-18 946 San Mateo Bed of San Francisquito Creek at Stanford Convalescent Home. Comment
  CAS-BOT-BC169347  Alnus rubra S. B. Show 1907-2-18 19 San Mateo VIcinity of Stanford University Comment
  POM192775  Alnus rubra L. R. Abrams 1907-08 s.n. San Mateo Near Pescadero on road to Half-Moon Bay. Comment
  SJSU10489  Alopecurus pratensis S. H. Casey & C. A. Brock 1975-6-20 546 San Mateo by Old Woodside Store, Woodside 134 Comment
  POM192784  Amaranthus deflexus W. R. Dudley 1895-9-21 s.n. San Mateo By R.R. back of Menlo Park Station Comment
  RSA176781  Ambrosia chamissonis John H. Thomas 1963-7-19 10187 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz. Exposed rocks are Monterey shale. Comment
  UCSC007715  Ambrosia chamissonis Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  JROH3597  Amelanchier utahensis Ruth Porter 1999-5-10 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; between lake and fire road E Comment
  SEINET12280466  Amsinckia intermedia M. T. Doutt 1931-1 246 San Mateo S of San Francisco, near Salada Comment
  CAS-BOT-BC222455  Amsinckia lunaris Alice Eastwood 1917-5-12 s.n. San Mateo San Bruno Hills Comment
  RSA0089730  Amsinckia lunaris W. R. Dudley 1894-4-27 s.n. San Mateo San Mateo Ravine. Santa Cruz Mountain Peninsula. Comment
  JROH1347  Amsinckia menziesii John Hunter Thomas 1981-4-21 20459 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA0089968  Amsinckia retrorsa Arthur L. Cohen 1935-4-21 622 San Mateo Jasper Ridge, Stanford University. Santa Cruz Mtn Range, San Francisco Bay Watershed. 152 Comment
  JEPS127880  Anagallis arvensis Adam C. Schneider 2013-5-17 134 San Mateo Crystal Springs Reservoir Comment
  RSA116746  Anagallis arvensis Josephine Randall 1907-6-8 s.n. San Mateo Portola Valley. Santa Cruz Peninsula. Comment
  CAS-BOT-BC389663  Anagallis arvensis Gail Metzger 1963-3-30 s.n. San Mateo Coyote Point Comment
  UCSC007718  Anagallis arvensis Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC45189  Anaphalis margaritacea R. E. Frenkel 1964-8-21 754 San Mateo On Spring Valley Ridge Road at the junction of Spring Valley Ridge and Whiting Ridge Roads, SFWD. 347 Comment
  CAS-BOT-BC391920  Anemone grayi unspecified 1906-6-10 s.n. San Mateo Near King's Mt. House Comment
  SEINET12087662  Anemone grayi L. S. Rose 1931-1 s.n. San Mateo Kings Mountain Comment
  CAS-BOT-BC221455  Angelica hendersonii W. R. Dudley 1909-10-4 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Mussel Rock Comment
  JROH189  Angelica tomentosa John Hunter Thomas 1986-5-17 24052 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC273182  Anisocarpus madioides James I. McMurphy 1909-5-25 s.n. San Mateo Above Pulpit Rock, San Mateo Canyon Comment
  CAS-BOT-BC273189  Anisocarpus madioides L. S. Rose 1941-7-2 41287 San Mateo Kings Mountain 540 Comment
  UC662642  Anisocarpus madioides L. S. Rose 1941-7-2 41287 San Mateo Kings Mountain 540 Comment
  HSC24049  Anisocarpus madioides Mary Katherine Wicksten 1971-6-16 36 San Mateo Bank at Huddart Park, by Werder Flat Comment
  SEINET5539055  Antennaria luzuloides H. S. Gentry 1931-1 84 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  JROH503  Anthemis cotula John Hunter Thomas 1978-7-14 19263 San Mateo Jasper Ridge Biological Preserve, Stanford University; near the low flow crossing of San Francisquito Cr. Comment
  CAS-BOT-BC102291  Anthemis cotula George Oberlander 1954-5-21 154 San Mateo Upper San Mateo Creek Comment
  CAS-BOT-BC280638  Anthoxanthum occidentale L. R. A. 1902-1-7 2258 San Mateo Kings Mountain Comment
  JEPS5265  Antirrhinum kelloggii R. F. Hoover 1941-4-23 4905 San Mateo Redwood City hills Redwood City Comment
  RSA201193  Aponogeton distachyos Peter Rubtzoff 1955-4-2 1767 San Mateo Skyline Blvd. near the junction of Chinese Cemetery Road. Comment
  UC118822  Aquilegia formosa C. F. B. 1902-3-30 422 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC405854  Aquilegia formosa Ray H. Yanis 1951-4-19 22 San Mateo King's Mountain. 15 Comment
  UC635107  Aquilegia formosa H. L. Mason 1927-4-23 3674 San Mateo summit of rd betw La Hunda and Pescadero Creek Comment
  CAS-BOT-BC17317  Arabis blepharophylla Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mountains. Cable Ravine. 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
  JEPS83068  Arabis blepharophylla Roy E. Buck, Randall A. Morgan, and James A. West 1983-7-15 435 San Mateo 3.2 km nw Pilarcitos Dam (and 2.4 km wsw of San Andres Dam, along crest of Fifield Ridge, w of gravel rd, San Francisco Watershed Reserve); Fifield Ridge, San Francisco Watershed Reserve 388 Comment
  POM143334  Arabis blepharophylla A. D. E. Elmer 1903-04 4936 San Mateo San Bruno Hills Comment
  SEINET10454399  Aralia californica Mary Susan Taylor 1978-8-30 Taylor 1853 San Mateo Comment
  CAS-BOT-BC128670  Arbutus menziesii J. H. Thomas 1949-4-14 275 San Mateo King's Mountain Comment
  CAS-BOT-BC24170  Arctostaphylos andersonii W. R. Dudley 1905-6-12 s.n. San Mateo Trail below China Pt., Pescadero Creek. Comment
  RSA252169  Arctostaphylos andersonii G. D. Wallace 1974-12-28 1375 San Mateo Northern Santa Cruz Mtns., S of Upper Crystal Springs Res. along Skyline Blvd. 2.8 mi N of jct. of King Mtn. Rd. opposite Farwell's Rhododendron Nursery. Within fog belt. 640 Comment
  SEINET11989210  Arctostaphylos andersonii E. McClintock, Knight, W.; Knight, I. 1982-1 4632 San Mateo San Pedro County Park, near Pacifica Comment
  SEINET12001640  Arctostaphylos andersonii W. R. Dudley 1906-1 5 San Mateo Kings Mt., Santa Cruz Range, Santa Cruz Peninsula 610 Comment
  RSA681634  Arctostaphylos bakeri subsp. bakeri Annuschka Deb 1989-3-17 35 San Mateo Louis edmunds Saratoga Horticulture Foundation. YBN Demonstration Garden. Comment
  SEINET11988252  Arctostaphylos crustacea Unknown 1959-1 322 San Mateo 2.8 mi from junction Ca 5 on King's Mountain Rd Comment
  SEINET2030220 Image available Arctostaphylos crustacea L. S. Rose 1942-3-30 42007 San Mateo Kings Mountain. Type locality 600 Comment
  JROH1927  Arctostaphylos crustacea subsp. crustacea Mrs. S. H. Babcock 1895-2-23 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Comment
  JROH1934  Arctostaphylos crustacea subsp. crustacea John H. Thomas 1974-4-25 17208 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville end of ridge Comment
  RSA130907  Arctostaphylos hookeri subsp. hookeri E. K. Balls 1958-7-19 23563 San Mateo State Highway 5, 2 miles NW of junction with road from Big Basin State Park 671 Comment
  CAS-BOT-BC24482  Arctostaphylos imbricata R. F. Hoover 1964-4-24 8742 San Mateo San Bruno Mt., n. side near summit. Comment
  CAS-BOT-BC24488  Arctostaphylos imbricata Lewis S. Rose 1955-2-25 55002 San Mateo San Bruno Hills. Type Locality. Comment
  CAS-BOT-BC24490  Arctostaphylos imbricata William Knight; Irja Knight; Elizabeth McClintock 1963-9-2 s.n. San Mateo Power Line Ridge, San bruno Mtn. Comment
  CAS-BOT-BC24500  Arctostaphylos imbricata James B. Roof 1961-4-18 s.n. San Mateo From ne. face of San Bruno Mountain, northern San Mateo Co. 335 Comment
  JEPS91231  Arctostaphylos imbricata Dean W. Taylor 1988-4-29 9584 San Mateo San Bruno Mountain, northern slope of mountain 0.3 miles N22d W of summit, 371 Comment
  RSA195588  Arctostaphylos imbricata John H. Thomas 1961-5-7 9319 San Mateo San Bruno Mountain in northern part of county. 305 Comment
  RSA632766  Arctostaphylos imbricata Jon E. Keeley 1996-6-24 27565 San Mateo On knob below end of paved road at top of San Bruno Mountain. 350 Comment
  SJSU5745  Arctostaphylos imbricata L. S. Rose 1955-2-23 55002 San Mateo TYPE LOCALITY; San Bruno Hills Comment
  SJSU6163  Arctostaphylos imbricata S. H. Casey 1969-5-18 San Mateo ridge-top firebreak, San Bruno Mt Comment
  CAS-BOT-BC27160  Arctostaphylos montaraensis W. Knight; Irja Knight 1967-1-19 2056 San Mateo Montara Mt. 335 Comment
  CAS-BOT-BC38523  Arctostaphylos montaraensis Jacob Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-11 4087 San Mateo Collected from near Pacific Rock on San Bruno Mt. Comment
  CAS-BOT-BC40168  Arctostaphylos montaraensis Arthur Menzies 1963-2-5 6 San Mateo San Bruno Mountain Comment
  SBBG83970  Arctostaphylos montaraensis R. Gankin 1966-5-17 740 b San Mateo Montara Mtn Comment
  UCD51756  Arctostaphylos montaraensis Walter Knight; Irja Knight and Elizabeth McClintock 1982-3-27 4496 San Mateo Downhill and north from Pacific Rock; San Bruno Mountain. 304 Comment
  UCD51770  Arctostaphylos montaraensis Roman Gankin; W. R. Hildreth 1966-5-17 738 San Mateo Southeast-facing slope of Montara Mountain. Comment
  CAS-BOT-BC45602  Arctostaphylos montaraensis Elizabeth McClintock 1974-11-13 s.n. San Mateo Trillium Ravine, on old fire road, near Knife Edge Rock. Comment
  JEPS26639  Arctostaphylos pacifica James Roof 1961-4-18 San Mateo spur that lies 1/4 mi ne summit; San Bruno Mountain 335 Comment
  CAS-BOT-BC44735  Arctostaphylos regismontana Josephine D. Randall 1908-3-28 s.n. San Mateo Santa Cruz Peninsula - King's Mt. Road Comment
  CAS-BOT-BC44737  Arctostaphylos regismontana E. A. McGregor 1908-3-28 s.n. San Mateo King's Mountain 548 Comment
  CAS-BOT-BC44741  Arctostaphylos regismontana C. F. Baker 1902-1-15 271 San Mateo Kings Mountain Comment
  CAS-BOT-BC44743  Arctostaphylos regismontana J. Burtt Davy 1895-4-20 1049 San Mateo Lake Pilarcitos Comment
  OBI14513  Arctostaphylos regismontana Lewis S. Rose 1961-2-16 61003 San Mateo Kings Mountain 610 Comment
  RSA636747  Arctostaphylos regismontana Jon E. Keeley, Melanie Baer Keeley 1993-9-8 24627 San Mateo NW side of Montara Mtn. 150 Comment
  RSA636750  Arctostaphylos regismontana Jon E. Keeley, Melanie Baer Keeley 1993-9-8 24636 San Mateo NW side of Montara Mtn. 150 Comment
  UC549743  Arctostaphylos regismontana J. E. Adams 1935-4-7 1044 San Mateo Skyline Blvd. Comment
  UC762307  Arctostaphylos regismontana R. F. Hoover 1941-2-12 4768 San Mateo Kings Mountain Comment
  CDA34054  Arctostaphylos sensitiva D. G. Kelch, David Gernandt, Steffi Ickert-Bond, Yingli Guo 2011-4-22 11 .155 San Mateo Santa Cruz Mountains; Along Route 9, ~5 km E of Big Basin Redwoods. Comment
  JEPS101965  Arctostaphylos tomentosa subsp. crustacea Dean W. Taylor 1997-2-12 15906 San Mateo Kings Peak Road; Santa Cruz Mountains, Kings Mtn., on road to archery area under high-voltage, steel-tower eletrical transmission line 533 Comment
  POM131601  Arctostaphylos tomentosa subsp. crustacea C. F. Baker 1902-3-18 328 San Mateo King's Mountain. Comment
  RSA48822  Arctostaphylos tomentosa subsp. crustacea E. K. Balls 1948-3-19 7870 San Mateo 2 mi. N. of S end of State Rt. 5. 305 Comment
  SEINET11989278  Arctostaphylos tomentosa var. tomentosiformis Unknown 1966-1 739 San Mateo ca 0.4 mi NE of Peak Mountain of Montara Mountain range 488 Comment
  JEPS108605  Arctostaphylos uva-ursi Roger Raiche 1984-7-18 10153 San Mateo San Bruno Mountain, Kamchatka Point Comment
  RSA0077993  Arctostaphylos uva-ursi B. A. Stein 1981-2-22 421 San Mateo San Bruno Mountain, just E of summit. 396 Comment
  SEINET11987195  Arctostaphylos uva-ursi var. suborbiculata W. Knight, Knight, I. 1981-1 3917 San Mateo Tilden Botanic Garden, Berkeley, orig. from Kamchatka Point on San Bruno Mt Comment
  CAS-BOT-BC401713  Argemone munita subsp. munita J. E. McClellan 1968-8-2 s.n. San Mateo Westerly side of highway 1 about 1/4 mile north from Cascade Ranch entrance, north of Ano Nuevo Pt., near highway post No. 5 M.3039 Comment
  POM204327  Armeria maritima subsp. californica I. L. Wiggins 1929-7-4 3801 San Mateo Pescadero Beach Comment
  CAS-BOT-BC84885  Artemisia californica Walter Knight; Irja Knight; Elizabeth McClintock 1964-9-11 s.n. San Mateo San Bruno Mountain, Point San Bruno Comment
  CAS-BOT-BC84887  Artemisia californica Elizabeth McClintock 1965-3-28 s.n. San Mateo San Bruno Mountain, burned area in Devil's Arroyo Comment
  JROH518  Artemisia douglasiana John H. Thomas 1976-10-16 18439 San Mateo Jasper Ridge Biological Preserve, Stanford University; along or near San Francisquito Creek from the low flow crossing to the vicinity of the old fireplace ruins downstream Comment
  CAS-BOT-BC93933  Artemisia douglasiana George Oberlander 1949-9-25 380 San Mateo San Francisco Watershed Reserve, along stream entering San Andreas Lake Comment
  SEINET8734602 Image available Artemisia heterophylla Lewis S. Rose 1938-1 38232 San Mateo San Mateo 30 Comment
  CAS-BOT-BC384619  Asarum caudatum J. Lovelle 1973-8-5 75 San Mateo Pomponio Canyon Comment
  CAS-BOT-BC400512  Asarum caudatum W. R. Dudley 1898-4-24 s.n. San Mateo Santa Cruz Mountain Peninsula. Near El Corte de Madera Creek Comment
  JROH432  Asclepias fascicularis John H. Thomas 1974-6-27 17444 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH434  Asclepias fascicularis John Hunter Thomas 1977-6-7 18729 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA14211  Aster chilensis C. B. Wolf 1927-1-24 198 San Mateo Near Portola Comment
  SEINET946308  Asteraceae C. B. Wolf 1934-1 6240 San Mateo Coastal bluff, 200 yds. South of Pigeon Pt. Lighthouse 15 Comment
  CAS-BOT-BC186753  Astragalus gambelianus Lois E. James 1946-4-16 1741 San Mateo Back of Redwood City. High Road off Woodside Road Comment
  CAS-BOT-BC186759  Astragalus gambelianus Margaret A. Barry 1937-5-8 60 San Mateo On Coal Mine Ridge Comment
  JROH1985  Astragalus gambelianus John H. Thomas 1956-4-7 5614 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC186760  Astragalus gambelianus L. R. A. 1902-5-4 2402 San Mateo Woodside Comment
  RSA60159  Astragalus gambelianus Lois E. James 1947-4-11 1758 San Mateo Hills back of Redwood City. Comment
  SD40165  Astragalus nuttallii var. virgatus Edith A. Purer 1933-7-27 5356 San Mateo High stabilized sand dunes, Pigeon Point. Comment
  CAS-BOT-BC193092  Astragalus pycnostachyus var. pycnostachyus J. H. Thomas 1958-8-1 7372 San Mateo Just north of mouth of San Gregorio Creek 30 Comment
  CAS-BOT-BC193093  Astragalus pycnostachyus var. pycnostachyus Alice Eastwood; John Thomas Howell 1938-6-26 6057 San Mateo Near Pescadero Comment
  CDA26741  Astragalus pycnostachyus var. pycnostachyus T. C. Fuller 1967-8-23 16295 San Mateo West of coast highway (Highway 1), 1 mile northwest of Pescadero. 0 Comment
  CAS-BOT-BC389701  Asyneuma prenanthoides Lorene Sigal 1969-7-1 s.n. San Mateo Butano Girl Scout Camp Comment
  CAS-BOT-BC68678  Athyrium filix-femina var. californicum Elizabeth McClintock; Baki Kasapligil; Walter Knight; Irja Knight 1967-7-18 s.n. San Mateo San Bruno Mountain - Near old quarry at mouth of Colma Canyon. Comment
  CAS-BOT-BC17585  Athysanus pusillus LeRoy Abrams 1898-4-1 198 San Mateo Portola. Comment
  CAS-BOT-BC17587  Athysanus pusillus Peter H. Raven 1951-2-18 2734 San Mateo Summit Ridge San Bruno Mountains. Comment
  JROH1437  Athysanus pusillus John Rawlings 2007-4-1 1064 San Mateo Jasper Ridge Biological Preserve, Stanford University. Serpentine slope above and south of Big Inlet drainage, 176 Comment
  SBBG29939  Atriplex hortensis R. S. Ferris 1932-9-12 8270 San Mateo Bay Shore Hwy at Redwood City Comment
  UCD97426  Atriplex hortensis Malcolm A. Nobs; S. Galen Smith 1949-8-27 1619 San Mateo E of Redwood City. Comment
  UC205348  Atriplex leucophylla Katharine Brandegee 1913-8-11 San Mateo Tobin Comment
  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
  SJSU16016  Avena barbata John Rawlings, Ken Hickman 2016-5-26 1812 San Mateo Serpentine seep area (Fountain thistle seep) up-slope from the Hwy 92 west onramp to Hwy 280 north; down-slope from San Francisco Watershed fence line 122 Comment
  CAS-BOT-BC145955  Avena fatua Ned Cahill 1974-4-30 221 San Mateo Near the intersection of Canada and Edgewood roads, about 3 miles westward from Redwood City. Comment
  JROH6  Azolla filiculoides Lawrence J. Winship 1974-11-16 16 San Mateo Jasper Ridge Biological Preserve, Stanford University. On and below Searsville Dam Comment
  UC42329  Azolla filiculoides F. T. Bioletti 1893-6-15 San Mateo Boden Comment
  CAS-BOT-BC98699  Baccharis douglasii W. R. Dudley 1894-9-22 s.n. San Mateo Searsville - Santa Cruz Mountain Peninsula Comment
  POM216547  Baccharis douglasii D. D. Keck 1931-9-27 1271 San Mateo Dumbarton bridge Comment
  RSA18494  Baccharis douglasii C. B. Wolf 1927-7-14 626 San Mateo 1 mile west of summit of La Honda Grade Comment
  RSA40259  Baccharis douglasii L. S. Rose 1946-7-14 46220 San Mateo Searsville Lake 69 Comment
  JROH534  Baccharis glutinosa John H. Thomas 1970-7-5 15669 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH541  Baccharis glutinosa John Hunter Thomas 1982-7-22 21089 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD39659  Baccharis glutinosa Edith A. Purer 1932-7-18 4019 San Mateo Near Pigeon Point Comment
  CAS-BOT-BC99511  Baccharis pilularis J. H. Thomas 1949-10-16 1144 San Mateo just north of outlet of San Gregorio Creek Comment
  CAS-BOT-BC99513  Baccharis pilularis L. R. Abrams 1914-10-14 5137 San Mateo Tunitas Comment
  CAS-BOT-BC99522  Baccharis pilularis Ned Cahill 1974-4-30 240 San Mateo near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC99528  Baccharis pilularis P. C. Everett 1934-8-19 6068 San Mateo Pescadero 198 Comment
  POM350441  Baccharis pilularis D. D. Keck 1931-10-5 1283 San Mateo 1 mile north of Salada Beach 91 Comment
  RSA1947  Baccharis pilularis C. B. Wolf 1930-11-5 1063 San Mateo 4 mi. S of Pescadero. 8 Comment
  RSA40138  Baccharis pilularis L. S. Rose 1948-11-25 48240 San Mateo San Mateo County, Kings Mtn. 549 Comment
  UC942900  Baccharis pilularis Lewis S. Rose 1949-9-20 49181 San Mateo Sharp Park Comment
  CAS-BOT-BC16620  Barbarea orthoceras Fred Hemphill 1973-4-8 621 San Mateo San Carlos. Area north of Malabar Road and Melendy Drive. 207 Comment
  CAS-BOT-BC16635  Barbarea orthoceras Alice Eastwood 1914-3-12 s.n. San Mateo San Bruno Hills. Comment
  CAS-BOT-BC16643  Barbarea orthoceras George Oberlander 1949-4-30 94 San Mateo San Francisco Watershed Reserve. North boundary. Comment
  JROH1444  Barbarea orthoceras John H. Thomas 1974-4-4 17081 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA482825  Barbarea orthoceras Glenn A. Gorelick 1967-4-4 s.n. San Mateo San Bruno Mts; overlooking Daly City near San Francisco. Comment
  JEPS26846  Bellardia trixago Rimo Bacigalupi with J. H. Thomas and L. Heckard 1961-5-23 7709 San Mateo at summit Monte Bello Ridge (along Page Mill Road, just nw of O'Neal Ranch, San Mateo-Santa Clara County boundary) 708 Comment
  JROH3914  Bellardia trixago John H. Thomas 1974-5-19 17382 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low flow crossing Comment
  JROH3927  Bellardia trixago John Hunter Thomas 1988-4-28 24419 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA159407  Bellardia trixago John H. Thomas 1961-5-14 9376 San Mateo Just north of dam on San Mateo Creek. 122 Comment
  CAS-BOT-BC100194  Bellis perennis John H. Thomas 1974-5-7 17326 San Mateo San Bruno Mountain. Along Guadalupe Parkway opposite school Comment
  CAS-BOT-BC75868  Berberis pinnata W. R. Dudley 1899-5-14 s.n. San Mateo Santa Cruz Peninsula. Hills west of San Andreas Reservoir. Comment
  CAS-BOT-BC75877  Berberis pinnata John H. Thomas 1962-4-24 9846 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  CAS-BOT-BC75882  Berberis pinnata Robert Setzer 1969-3-29 2138 San Mateo Coloma Canyon, San Bruno Mountain. Comment
  UC1126280  Berberis pinnata H. S. Yates 1935-2-3 5003 San Mateo 1/2 mi se Pigeon Pt; Santa Cruz Quadrangle Comment
  UC306615  Berberis pinnata A. D. E. Elmer April, 1903 4820 San Mateo San Bruno Hills Comment
  CAS-BOT-BC100320  Blennosperma nanum var. robustum A. D. E. Elmer 1903-4-1 4521 San Mateo San Bruno Hills Comment
  POM55208  Blennosperma nanum var. robustum A. D. E. Elmer 1903-04 s.n. San Mateo San Bruno Hills Comment
  CAS-BOT-BC31092  Bolboschoenus maritimus George Thomas Oberlander 1949-7-24 311 San Mateo Marsh, Upper Crystal Spr. Lake Comment
  CAS-BOT-BC95348  Bowlesia incana Ned Cahill 1975-1-8 391 San Mateo Near jct. of Canada and Edgewood roads, about 3 mi. W of Redwood City Comment
  CAS-BOT-BC95342  Bowlesia incana Walter Knight; Irja Knight 1965-5-9 1099 San Mateo Devil's Arroyo, San Bruno Mountain 274 Comment
  CAS-BOT-BC145403  Brachypodium distachyon Bonnie McClellan; J. Ed. McClellan 1971-5-31 s.n. San Mateo Butano State Park. Comment
  JROH4864  Brachypodium distachyon John Hunter Thomas 1992-5-14 25221 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD57119  Brachypodium distachyon Peter H. Raven 1957-6-30 11015 San Mateo 1.8 miles east of Pescadero on road to La Honda. Comment
  CHSC91953  Brachypodium sylvaticum K. Melo 2003-12-1 1387519 San Mateo San Francisco Peninsula. Hwy 84 at Grandview Terrace and Schilling lake. Martin Creek drainage. Comment
  UCR162537  Brachypodium sylvaticum John Beall 2003-12-4 s.n. San Mateo Santa Cruz Mtns., Woodside, on Hwy 84 at Grandview Dr., about 1 mile from Skyline Road summit 427 Comment
  CDA37735  Brachypodium sylvaticum Breckenridge/Filippini 2010-7-22 s.n. San Mateo Woodside; across a number of properties. 0 Comment
  CAS-BOT-BC30268  Brassica nigra R. Bacigalupi 1946-7-6 2794 San Mateo Near junction of Belmont-Las Pulgas roads, close to Crystal Springs Lake. Comment
  CAS-BOT-BC36665  Brassica oleracea Phillip C. Wheeler 1965-6-19 s.n. San Mateo San Bruno Mountains. Brisbane Lagoon. Comment
  CAS-BOT-BC36792  Brassica rapa J. H. Thomas 1949-10-16 1143 San Mateo Just north of outlet of San Gregorio Creek. Comment
  JROH1459  Brassica rapa John H. Thomas 1967-4-20 12704 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC2049864  Brassica rapa H. W. Johansen 1955-4-23 82 a San Mateo Crystal Springs road, 2 miles W of San Mateo Comment
  CAS-BOT-BC36798  Brassica rapa Daniel Cohen 1953-5-9 71 San Mateo Top of sea cliff at Pescadero. Comment
  CAS-BOT-BC145328  Briza minor George Oberlander 1950-4-23 745 San Mateo San Francisco Watershed Reserve. Sawyer Ridge. Comment
  CAS-BOT-BC145341  Briza minor Walter Knight; Irja Knight 1965-4-24 1027 San Mateo San Bruno Mountain. Point San Bruno. Comment
  JROH4886  Briza minor John Hunter Thomas 1981-4-23 20469 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA623794  Briza minor Ralph Hopping 1929-4-27 107 San Mateo Jasper Ridge. Stanford Campus. Comment
  UC144492  Briza minor Copeland 1903-5-24 3257 San Mateo above Crystal Springs Lake Comment
  UCD57379  Briza minor D. H. Hartmann 1941-4-26 s.n. San Mateo West of Palo Alto. Comment
  JROH5753  Briza minor M. Day 1982-5-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Whiskey Hill Gate Comment
  SEINET3884838  Brodiaea coronaria var. macropoda K. Harper 1984-4-25 84 -3 San Mateo Along crest of Jasper Ridge, Research Preserve, Stanford University.; 0 Comment
  SEINET10932599  Brodiaea elegans Walter 1919-6-9 Walter s.n. 1919 San Mateo Woodside Comment
  CAS-BOT-BC484346  Brodiaea elegans subsp. elegans J. H. Thomas 1960-6-8 8774 A San Mateo Dry roadbank between Stanford and Searsville along San Hill road Comment
  SEINET12044664  Brodiaea terrestris P. R. Hichborn 1920-1 s.n. San Mateo near Spring Valley Lakes, Santa Cruz Mountain Peninsula Comment
  JROH4589  Brodiaea terrestris subsp. terrestris John H. Thomas 1974-4-25 17201 San Mateo Jasper Ridge Biological Preserve, Stanford University. Serpentine grasslands on top of ridge. Comment
  JROH4967  Bromus berteroanus H. J. Dengler 1961-4-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Lower edge of gully near the last or northwest-most enclosure, just N. of serpentine Comment
  POM234978  Bromus carinatus I. L. Wiggins 1928-4-22 2946 San Mateo Moss Beach Comment
  POM286980  Bromus carinatus Lyman Benson 1930-5-1 2059 San Mateo Stanford University. San Lorenzo Mt. Range. 122 Comment
  CAS-BOT-BC149021  Bromus carinatus var. carinatus Ned Cahill 1974-4-29 184 San Mateo Near the intersection of Canada and Edgewood Roads, About 3 miles westward from Redwood City. Comment
  CAS-BOT-BC210145  Bromus diandrus Peter Rubtzoff 1977-6-21 9056 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. East Fork Colma Creek Canyon area. Comment
  JROH4909  Bromus diandrus John H. Thomas 1967-4-20 12704 B San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  OBI23249  Bromus diandrus Ira L. Wiggins 1975-5-26 22153 San Mateo Bed of San Francisquito Crk, ca 150 m upstream from Chaucer/Pope St bridge, Menlo Comment
  RSA101049  Bromus diandrus G. Oberlander 1949-5-13 188 San Mateo San Andreas Valley, San Francisco Watershed Reserve Comment
  UC1037112  Bromus diandrus Leo Whitney 1935-3-20 2267 San Mateo 10 mi s of Cliff House (Bayshore Highway, San Francisco); San Francisco Comment
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Nov 12 2011
  CAS-BOT-BC155137  Bromus hordeaceus Ned Cahill 1974-4-29 175 San Mateo Near the intersection of Canada and Edgewood Roads, about 3 miles westward from Redwood City. Comment
  CAS-BOT-BC155162  Bromus hordeaceus Duncan M. Porter 1960-4-29 667 San Mateo Above Webb Ranch, Jasper Ridge Biological Preserve. Quadrant H-4. Comment
  JROH4928  Bromus hordeaceus Winkie Lennihan 1990-4-4 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; along north side of Rd. F in grassy area east of the serpentine contact 161 Comment
  UCD58780  Bromus hordeaceus L. Whitney 1935-3-20 s.n. San Mateo Bayshore Highway--10 miles south of Cliff House, San Francisco. Comment
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Nov 12 2011
  UCD58971  Bromus madritensis Beecher Crampton 1962-6-11 6485 San Mateo 5 miles west of Belmont, junction Ralston Ave. and Skyline Blvd. Comment
  JROH4942  Bromus madritensis subsp. madritensis John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4948  Bromus madritensis subsp. rubens John Hunter Thomas 1988-6-2 24503 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near old bridge 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
  RSA135733  Bromus marginatus W. R. Dudley 1901-5-14 s.n. San Mateo between Colma and Lake Merced. Comment
  RSA320909  Bromus marginatus Robert A. Norris 1984-3-21 4656 San Mateo Blue Blossom Hill, San Bruno Mts. 366 Comment
  CAS-BOT-BC162227  Bromus maritimus John H. Thomas 1963-7-19 10196 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles northwest of Santa Cruz. Comment
  CAS-BOT-BC161749  Bromus rubens Fred Hemphill 1973-4-22 787 San Mateo San Carlos. Area north of Malabar Road and Melendy Drive. 207 Comment
  JROH5589  Bromus sterilis John Rawlings 2013-4-10 1145 B San Mateo Jasper Ridge Biological Preserve, Stanford University. Near power poles in partial shade on Rattlesnake Rocks trail off of Rd. D. 131 Comment
  CAS-BOT-BC185394  Bromus vulgaris W. R. Dudley 1896-7-29 s.n. San Mateo Santa Cruz Mountain Peninsula. La Honda. Comment
  JROH4971  Bromus vulgaris John Rawlings 2010-6-16 1060 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 1, 25 yards northwest of first redwood grove under coast live oak. 86 Comment
  UC1195194  Buddleja davidii John H. Thomas 1960-6-25 8794 San Mateo along or near a small creek running into Redwood Slough between El Camino Real and R.R. tracks Redwood City (near Maple St.) 7 Comment
  CAS-BOT-BC36866  Cakile edentula var. edentula Reed Clark Rollins 1941-7-19 2961 San Mateo Half Moon Bay, along the beach. Comment
  UCSC004915  Cakile maritima Monica Larenas 1985-6-1 19 San Mateo Hwy 1, 0.5 mi S of Pescadero State Beach Comment
  CAS-BOT-BC36956  Cakile maritima var. maritima Ira L. Wiggins 1949-7-2 12196 San Mateo Pescadero Beach. Comment
  CAS-BOT-BC185141  Calamagrostis nutkaensis Elizabeth McClintock 1967-6-24 s.n. San Mateo San Bruno Mountain. Top of mountain between radio stations on Radio Road. Comment
  POM199093  Calamagrostis nutkaensis A. D. E. Elmer 1903-05 5051 San Mateo San Pedro Comment
  JEPS121454  Calandrinia ciliata Adam C. Schneider with C. Matt Guilliams 2013-2-2 190 San Mateo Crystal Springs Reservoir, between power transmission lines and Interstate 280. Comment
  UC1084413  Calandrinia ciliata G. Thomas Robbins 1937-4-11 105 San Mateo grassy meadow near Spring Valley Lakes (along road to Woodside) Comment
  JROH1642  Callitriche marginata Paul Heiple 2010-4-5 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; along side of Rd E Comment
  CAS-BOT-BC492213  Calochortus albus Fred Hemphill 1973-5-6 757 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  JROH4601  Calochortus albus John H. Thomas 1973-4-14 16572 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA292629  Calochortus albus Lyman Benson 1930-5-12 2120 San Mateo San Mateo County: Lake Searsville. 152 Comment
  UC13852  Calochortus albus W. C. Blasdale 1893-6-23 San Mateo San Mateo Comment
  CAS-BOT-BC492205  Calochortus albus Le Roy Abrams 1901-5-1 1571 San Mateo Woodside Comment
  CAS-BOT-BC492212  Calochortus albus Ned Cahill 1974-5-13 270 San Mateo Chaparral near the intersection of Canda and Edgewood rods, about 3 mi westward from Redwood City. Comment
  SEINET12044764  Calochortus albus L. S. Rose 1935-1 35214 San Mateo 9 mi W of Stanford U Comment
  JROH4614  Calochortus argillosus James McMurphy 1909-6-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4634  Calochortus luteus John H. Thomas 1974-5-29 17404 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC389720  Calochortus luteus M. K. Wicksten 1970-6-16 39 San Mateo San Mateo Comment
  CAS-BOT-BC491980  Calochortus luteus R. Hoffough 1929-5-25 214 San Mateo Sand Hill Road, Palo Alto Comment
  HSC23982  Calochortus luteus Mary Katherine Wicksten 1971-6-17 40 San Mateo Huddart Park, grassy hill above Oak Area Comment
  POM196564  Calochortus tolmiei W. R. Dudley 1895-6-6 s.n. San Mateo Pescadero Creek Comment
  CAS-BOT-BC496829  Calochortus tolmiei J. H. Thomas 1949-5-7 505 San Mateo King's Mountain Road Comment
  CAS-BOT-BC132540  Calochortus umbellatus M N. Paulson 1915-4-10 s.n. San Mateo Kings Mountain Comment
  JEPS22891  Calycadenia multiglandulosa John H. Thomas 1958-11-22 7506 San Mateo about 5 mi sw of Palo Alto (Jasper Ridge); Jasper Ridge 152 Comment
  JROH566  Calycadenia multiglandulosa John H. Thomas 1974-4-25 17207 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH574  Calycadenia multiglandulosa John Hunter Thomas 1987-6-7 24335 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM263769  Calycadenia multiglandulosa L. S. Rose 1941-6-12 41268 San Mateo Emerald Lake, hills west of Redwood City. 120 Comment
  RSA132468  Calycadenia multiglandulosa subsp. robusta John H. Thomas 1959-8-22 8077 San Mateo Jasper Ridge, about 5 miles SW of Palo Alto 152 Comment
  UCR51651  Calystegia macrostegia subsp. cyclostegia 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-BC436446  Calystegia occidentalis Phillip C. Wheeler 1965-6-16 s.n. San Mateo San Bruno Mountain, Colma Canyon east Comment
  CAS-BOT-BC224657  Calystegia purpurata subsp. purpurata W. R. Dudley 1894-4-21 s.n. San Mateo Santa Cruz Peninsula. Near San Mateo Creek road Comment
  CAS-BOT-BC224661  Calystegia purpurata subsp. purpurata James McMurphy 1905-9-15 s.n. San Mateo Goat Ranch, near Stanford University Comment
  UC909351  Calystegia soldanella Ira L. Wiggins 1950-5-20 12351 San Mateo Pescadero Beach Pescadero Beach (upper margin beach) Comment
  SD38402  Calystegia subacaulis Edith A. Purer 1933-5-30 3641 San Mateo Spring Valley Lakes. Comment
  JROH1844  Calystegia subacaulis subsp. subacaulis John H. Thomas 1957-4-16 6652 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC160324  Camissoniopsis cheiranthifolia subsp. cheiranthifolia W. R. Dudley 1901-7-5 s.n. San Mateo Pescadero Comment
  CAS-BOT-BC160330  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Robert Robertson 1954-5-1 130 San Mateo Near San Gregorio Creek 6 Comment
  JEPS43862  Camissoniopsis cheiranthifolia subsp. cheiranthifolia William S. Cooper 1924-11-19 37 San Mateo Ano Nuevo Pt. Comment
  UC874076  Camissoniopsis micrantha John Thomas Howell 1938-5-1 13773 San Mateo Colma Canyon Comment
  UC153882  Campanula prenanthoides L. R. Abrams 1907-8-26 San Mateo Kings Mt. Comment
  SEINET10462891  Campanula prenanthoides LeRoy R. Abrams 1907-8-26 Abrams s.n. San Mateo KINGS MT, MOIST SHADED REDWOODS Comment
  SEINET10463045  Campanula prenanthoides Randall 1907-6-29 RANDALL 17 San Mateo King's Mountain Road Comment
  SEINET10840327  Campanula prenanthoides Leithold 1894-7-28 LEITHOLD s.n. San Mateo LA HONDA ROAD Comment
  SEINET10939009  Campanula prenanthoides William R. Dudley 1894-7-7 Dudley s.n. San Mateo Bear Gulch Comment
  JROH1650  Cannabis sativa Ruth Porter 1982-1-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC37161  Capsella bursa-pastoris David D. Keck 1932-2-16 1378 San Mateo Portola. Comment
  JROH1475  Capsella bursa-pastoris John Hunter Thomas 1980-4-10 19877 San Mateo Jasper Ridge Biological Preserve, Stanford University; by dam Comment
  CAS-BOT-BC37163  Capsella bursa-pastoris George Oberlander 1949-5-13 169 San Mateo San Francisco Watershed. North boundary. Comment
  CAS-BOT-BC37667  Cardamine californica LeRoy Abrams 1902-3-16 2274 San Mateo Kings Mountain Road. Comment
  CAS-BOT-BC37672  Cardamine californica J. H. Thomas 1949-4-1 211 San Mateo West of Redwood City. Comment
  CAS-BOT-BC37687  Cardamine californica Lewis S. Rose 1936-3-11 36021 San Mateo Kings Mountain. 304 Comment
  CAS-BOT-BC37678  Cardamine californica LeRoy Ellsworth Detling 1935-4-3 1530 San Mateo Redwoods, La Honda Grade, 2 miles west of Skyline Boulevard Intersection. Comment
  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
  POM176891  Cardamine californica var. integrifolia W. R. Dudley 1893-2-18 s.n. San Mateo La Honda. Santa Cruz Peninsula. Comment
  JROH1492  Cardamine oligosperma John H. Thomas 1968-3-17 14182 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1498  Cardamine oligosperma John Hunter Thomas 1983-4-5 21322 San Mateo Jasper Ridge Biological Preserve, Stanford University; low-flow crossing Comment
  JROH581  Carduus pycnocephalus subsp. pycnocephalus John Hunter Thomas 1981-5-8 20567 B San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH583  Carduus tenuiflorus Suzanne Biossat 1943-5-7 75 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSC006297  Carex Randall Morgan 2001-10-19 3778 San Mateo Half Moon Bay, Moist flat on RMC Lonestar property, upper San Vincente Ck watershed Comment
  NY38978  Carex aequa E. L. Greene 1902-5-10 811 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC17849  Carex amplifolia W. R. Dudley 1906-6-8 s.n. San Mateo The Santa Cruz Mountain Peninsula. In Squealer Gulch above water trough. Comment
  CAS-BOT-BC19325  Carex barbarae Walter Knight; Irja Knight 1965-4-15 s.n. San Mateo San Bruno Mountain. Mouth of Colma Canyon. Comment
  CAS-BOT-BC19327  Carex barbarae Walter Knight; Irja Knight; Elizabeth McClintock 1964-9-11 s.n. San Mateo San Bruno Mountain. Frontage Road north City Limits of South San Francisco. Comment
  CAS-BOT-BC19544  Carex bolanderi C. F. Leitholt 1894-8-13 s.n. San Mateo Sant Cruz Mountain Peninsula. Devil's Canyon. Comment
  SEINET7552599 Image available Carex bolanderi Lewis S. Rose 1933-6-23 s.n. San Mateo Kings Mountain Steams. Comment
  CAS-BOT-BC34076  Carex brevicaulis Alice Eastwood; John Thomas Howell; J. W. Stacey 1938-4-24 5250 San Mateo Tunitas. Comment
  CAS-BOT-BC18922  Carex densa Alice Eastwood; John Thomas Howell 1937-5-7 4328 San Mateo Visatacion Valley. Comment
  CAS-BOT-BC18928  Carex densa A. D. E. Elmer 1903-6-1 4428 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC18946  Carex densa Kellogg; Brannan 1870-6-1 s.n. San Mateo San Gregorio Creek. Comment
  JROH4328  Carex densa John H. Thomas 1967-6-1 12946 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC18939  Carex densa W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. Field north of Seal Cove. Comment
  RSA304146  Carex densa J. T. Howell 1938-5-1 13785 San Mateo Near South San Francisco. Comment
  SEINET7556706 Image available Carex densa John Thomas Howell 1938-5-1 13786 San Mateo Near south San Francisco. Comment
  UC823331  Carex densa Lewis S. Rose 1937-5-16 37279 San Mateo S San Francisco 15 Comment
  JROH4342  Carex globosa John Hunter Thomas 1990-5-8 24851 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Rattlesnake Rock. Comment
  CAS-BOT-BC21815  Carex harfordii Alice Eastwood; John Thomas Howell 1938-6-26 6059 San Mateo Near Pescadero. Comment
  JROH4348  Carex harfordii Carol Zabel 2006-5-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Near the semaphore grass vernal depression. Comment
  JROH4350  Carex harfordii John Rawlings 2010-5-19 1049 A San Mateo Jasper Ridge Biological Preserve, Stanford University. Just beyond NE terminus of Leonard's Bridge, a large clump on the SE verge of the trail. 107 Comment
  SEINET3904235  Carex montereyensis John A. Churchill 1974-4-14 7441413 San Mateo Half Moon Bay.; 0 Comment
  JROH4353  Carex nudata W. Lennihan 1989-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Before low-flow crossing, edge of San Francisquito Creek. also in middle of creek. Comment
  CAS-BOT-BC119444  Carex nudata W. L. Scofield 1908-4-2 s.n. San Mateo Near Roble Bridge, Stanford University Comment
  CAS-BOT-BC119345  Carex obnupta W. R. Dudley 1896-4-17 s.n. San Mateo Pebble Peach Pasture, Pescadearo, Santa Cruz Mountain. Comment
  UCR279853  Carex obnupta Peter Rubtzoff 1978-5-18 9174 San Mateo San Francisco Bay Region, San Bruno Mountains, 'saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 220 Comment
  UC2013125  Carex serratodens Neal Kramer 2012-3-3 2031 San Mateo Stulsaft Park Redwood City. Comment
  CAS-BOT-BC539276  Carex subbracteata John Rawlings; Sara Timby; Toni Corelli 2016-4-23 1731 A San Mateo Along Bean HOllow bluff trail, W of Hwy 1, S of Pescadero 8 Comment
  UC1159367  Carex subbracteata J. H. Thomas 1959-4-4 7657 San Mateo about 0.7 mi s Gazos Creek (about 6.5 mi s from Pescadero) 45 Comment
  CAS-BOT-BC116827  Carex subbracteata var. subbracteata W. R. Dudley 1908-6-26 s.n. San Mateo Edge of Pond, near Coal Mine Ridge Road. Comment
  JROH4367  Carex tumulicola John Hunter Thomas 1981-4-27 20502 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC826092  Carex tumulicola Wilhelm N. Suksdorf 1913-6-30 377 San Mateo Crystal Springs Lake Comment
  UC836649  Carex tumulicola W. R. Dudley 1910-5-26 San Mateo near Black Mt. (Coal Mine Ridge) Comment
  CAS-BOT-BC115510  Carex tumulicola Phillip C. Wheeler 1965-5-18 s.n. San Mateo In area adjacent to Olivet Cemetery. Comment
  JROH4371  Carex tumulicola W. Lennihan 1989-5-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 12 (Mapache), left side of trail in dense section before coming out to meadow. Comment
  UCD165065  Carex tumulicola Peter Rubtzoff 1975-5-21 7974 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC230108  Carpobrotus chilensis Louis F. Pitelka 1973-4-30 s.n. San Mateo Bolsa Point, about 1 mile N of Pigeon Point and about 39 miles S of San Francisco Comment
  SEINET12027448  Castanopsis chrysophylla Unknown 1932-1 9240 San Mateo Kings Mtn Comment
  JROH4012  Castilleja H. J. Dengler 1961-4-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC249187  Castilleja affinis James McMurphy 1902-4-6 s.n. San Mateo Coal Mine Ridge Comment
  POM15426  Castilleja affinis C. F. Baker 1903-4-12 505 San Mateo San Gregorio. Comment
  POM15472  Castilleja affinis C. F. Baker 1903-4-6 1877 San Mateo San Bruno Hills near S.F. [San Francisco] Comment
  RSA10376B  Castilleja affinis H. A. Barker 1926-5-1 606 San Mateo Kings Mt. Comment
  RSA82256  Castilleja affinis F. W. Peirson 1932-7-5 10243 San Mateo Just south of Pescadero. Comment
  SD38139  Castilleja affinis Delzie Demaree 1932-4-9 3615 San Mateo Woods, Gov. Rolf Estate Comment
  CHSC57099  Castilleja affinis subsp. affinis Steven Triana 1988-5-24 200 San Mateo Along w side of Old La Honda Road ca 0.8 mi s of Portola Road and 4.0 mi s of Woodside. 201 Comment
  JEPS103885  Castilleja affinis subsp. affinis T. I. Chuang 1991-7-20 7878 San Mateo Mussel Rock Comment
  JEPS47391  Castilleja affinis subsp. affinis L. R. Heckard 1964-6-24 1402 San Mateo e of Upper Crystal Springs Reservoir (near upper end) Comment
  JEPS6925  Castilleja affinis subsp. affinis Rimo Bacigalupi with G. Thomas Robbins 1954-6-18 4552 San Mateo 0.25 mi below Portola State Park road junction with the Alpine Road (along road to Portola State Park) Comment
  JROH3934  Castilleja affinis subsp. affinis Joseph J. Schweitzer 1951-4-21 36 San Mateo Jasper Ridge Biological Preserve, Stanford University 152 Comment
  JROH3947  Castilleja affinis subsp. affinis John H. Thomas 1981-4-23 20467 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5776  Castilleja affinis subsp. affinis John Rawlings 2016-3-22 1700 San Mateo Jasper Ridge Biological Preserve, Stanford University; near high point of steep serpentinite bank south of Bear Creek 95 Comment
  UCR121541  Castilleja affinis subsp. affinis George K. Helmkamp, E. A. Helmkamp 1999-6-28 4996 San Mateo Pescadero Creek Watershed, Bean Hollow Road 0.3 mi south of Pescadero Road (SW of Pescadero). Slopes above Butano Creek 61 Comment
  POM190538  Castilleja ambigua subsp. ambigua D. D. Keck 1932-4-29 1453 San Mateo Burlington - San Mateo city limits, Bayshore Highway. Along San Francisco Bay. Comment
  POM21102  Castilleja ambigua subsp. ambigua Alice Eastwood 1912-6-2 208 San Mateo Granada. Comment
  SD88447  Castilleja ambigua subsp. ambigua Darley F. Howe 1972-6-25 San Mateo 7.5 miles north of Half Moon Bay Comment
  JROH3962  Castilleja attenuata John Hunter Thomas 1978-4-22 19110 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS86228  Castilleja densiflora subsp. densiflora L. R. Heckard 1970-5-5 2453 San Mateo Brisbane, ne edge of San Bruno Mountain San Bruno Mountain Comment
  JROH3985  Castilleja densiflora subsp. densiflora John Hunter Thomas 1985-5-2 23581 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS86225  Castilleja exserta subsp. exserta L. R. Heckard 1970-5-5 2450 San Mateo above Bay Shore Freeway (e end of San Bruno Mountain); San Bruno Mountain 91 Comment
  RSA15299  Castilleja foliolosa Carl B. Wolf 1927-4-3 269 San Mateo 1 mile above La Honda. Santa Cruz Mountains. Comment
  NY68074  Castilleja franciscana F. W. Pennell 1940-5-15 25420 San Mateo E of upper Crystal Springs Lake, SW of San Mateo. 61.0 Comment
  CAS-BOT-BC243826  Castilleja latifolia Katharine Brandegee 1917-7-29 s.n. San Mateo Tunitas Station, Ocean Shore R.R. Comment
  CAS-BOT-BC243832  Castilleja latifolia Walter Knight 1964-9-14 829 San Mateo Peak Mt., Montara Range Comment
  CAS-BOT-BC243833  Castilleja latifolia Peter H. Raven 1950-4-30 1961 San Mateo Montara 24 Comment
  CAS-BOT-BC243839  Castilleja latifolia John Thomas Howell 1933-4-9 10964 San Mateo Granada Comment
  SD38276  Castilleja latifolia Edith A. Purer 1933-7-27 5355 San Mateo High stabilized sand dunes, Pigeon Point Comment
  JEPS112712  Castilleja rubicundula subsp. lithospermoides Dean W. Taylor 1994-5-10 14271 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
  JROH4005  Castilleja rubicundula subsp. lithospermoides John Hunter Thomas 1982-4-30 20879 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC535783  Castilleja rubicundula subsp. lithospermoides Elmer I. Applegate 1895-5-11 392 San Mateo near Searsville Comment
  JEPS18907  Castilleja subinclusa subsp. franciscana Rimo Bacigalupi with G. Thomas Robbins 1955-8-4 5447 San Mateo just n Montara Point Lighthouse (at the town of Montara); Montara Comment
  JEPS47396  Castilleja wightii L. R. Heckard 1964-6-24 1394 San Mateo near San Bruno Mt. summit (slope n of (below) transmitting station); San Bruno Mt. 304 Comment
  RSA18450  Castilleja wightii Carl B. Wolf 1927-6-29 557 San Mateo South of Pebble Beach near Pescadero. Comment
  RSA428365B  Castilleja wightii Glenn A. Gorelick 1967-4-4 s.n. San Mateo San Bruno Mts; overlooking Daly City near San Francisco. Comment
  UC1618077  Castilleja wightii Donald G. Nelson 1939-6-14 624 San Mateo 3 mi s San Francisco Co. line (Skyline Blvd, due e of Mussel Rock on the coast) Comment
  UC729641  Castilleja wightii Carl B. Wolf 1929-5-25 3730 San Mateo s of Pescadero (Pebble Beach); Pebble Beach Comment
  CDA41387  Castilleja wightii T. I. & F. M. Chuang 1991-7-1 7846 San Mateo 1.1 mile north of Montara. 0 Comment
  RSA189726  Castilleja wightii Noel Holmgren, James L. Reveal 1966-6-5 2632 San Mateo Skyline Boulevard (California 35), 0.25 mile south of junction with California 1. Comment
  RSA294161  Castilleja wightii Robert A. Norris, John L. Inase, Allen Nakagawa 1981-7-25 4229 San Mateo Alongside footpath on brushy slope about 50 ft. above a marshy lagoon border, N of mouth of Pescadero Creek, Pescadero State Beach. Comment
  UCD123037  Castilleja wightii Lewis S. Rose 1965-4-22 65026 San Mateo San Bruno Mountain, south of parking lot. 365 Comment
  CAS-BOT-BC39379  Caulanthus lasiophyllus L. R. Abrams 1917-4-12 6434 San Mateo Near Crystal Springs Lake. Comment
  CAS-BOT-BC40392  Caulanthus lasiophyllus W. R. Dudley 1896-4-4 s.n. San Mateo Santa Cruz Peninsula. Near Crystal Springs Lake. Comment
  CDA24867  Caulanthus lasiophyllus D. G. Kelch 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  JEPS127814  Caulanthus lasiophyllus Adam C. Schneider with C. Matt Guilliams 2013-4-7 78 San Mateo Comment
  CAS-BOT-BC39384  Caulanthus lasiophyllus Walter Knight; Irja Knight 1965-5-9 1103 San Mateo San Bruno Mountains. Devil's Arroyo. Comment
  CAS-BOT-BC40398  Caulanthus lasiophyllus Elizabeth McClintock 1965-4-11 s.n. San Mateo San Bruno Mountain. Adjacent to Guadalupe Road. Comment
  CAS-BOT-BC48394  Ceanothus cuneatus var. cuneatus Lewis S. Rose 1964-3-23 64011 San Mateo Emerald Lake, w. of Redwood City 121 Comment
  UCSB18615  Ceanothus cuneatus var. ramulosus Schulte, John 1963-4-14 San Mateo Jasper Ridge, 3 miles SW of Stanford Campus between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  RSA10378  Ceanothus oliganthus H. A. Barker 1926-5-1 604 San Mateo Kings Mt. Comment
  CAS-BOT-BC51593  Ceanothus oliganthus var. sorediatus A. D. E. Elmer 1903-5-1 4479 San Mateo Portola Comment
  CAS-BOT-BC51600  Ceanothus oliganthus var. sorediatus W. R. Dudley 1893-4-1 s.n. San Mateo Foothills - McDuough Place near portola Comment
  JROH3532  Ceanothus oliganthus var. sorediatus John H. Thomas 1978-4-8 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC51239  Ceanothus papillosus E. H. Richardson 1906-4-1 s.n. San Mateo Kings Mt. Comment
  CAS-BOT-BC51246  Ceanothus papillosus Le Roy Abrams 1902-5-20 2412 San Mateo King's Mountain Comment
  RSA77705  Ceanothus papillosus D. D. Keck 1932-5-11 1774 San Mateo E side of Kings Mtn, on Kings Mtn road. 503 Comment
  CAS-BOT-BC52279  Ceanothus thyrsiflorus Elizabeth McClintock 1963-2-16 s.n. San Mateo unspecified Comment
  CAS-BOT-BC52284  Ceanothus thyrsiflorus L. R. A. 1901-4-20 1549 San Mateo King's Mountain Comment
  CAS-BOT-BC52292  Ceanothus thyrsiflorus John H. Thomas 1961-5-7 9295 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC52298  Ceanothus thyrsiflorus Miss O. Boring 1897-8-25 s.n. San Mateo Near Kings Mt. House, Kings Mountain Comment
  CAS-BOT-BC52306  Ceanothus thyrsiflorus Mrs. Ernest Meiere 1920-5-2 s.n. San Mateo Los Altos Comment
  UC1071406  Ceanothus thyrsiflorus G. E. Sindel 1935-8-13 327 San Mateo San Gregoria Creek 91 Comment
  UC1219870  Ceanothus thyrsiflorus John H. Thomas 1961-5-7 9295 San Mateo San Bruno Mountain in northern part of county. 304 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
  CAS-BOT-BC274588  Centaurea calcitrapa John H. Thomas 1955-4-6 4831 San Mateo East facing slope of San Bruno Mountain just north of South San Francisco 91 Comment
  JROH594  Centaurea calcitrapa John Hunter Thomas 1989-5-9 24702 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC463564  Centaurea calcitrapa L. R. Abrams and I. L. Wiggins 1930-11-13 174 San Mateo above Crystal Springs Lake Comment
  CAS-BOT-BC274596  Centaurea calcitrapa R. E. Frenkel 1963-12-7 318 San Mateo San Francisco Water District, Whiting Ridge Road, ca. 0.4 mile north of the junction with Spring Valley Ridge Road Comment
  UCD130007  Centaurea calcitrapa P. B. Kennedy 1916-5-7 s.n. San Mateo vacants lots around Burlingame. Comment
  RSA133890  Centaurea melitensis John H. Thomas 1958-6-11 7224 San Mateo About 4.3 miles due E of Belmont near Crystal Springs Reservoir. 91 Comment
  JROH607  Centaurea solstitialis John Hunter Thomas 1982-6-7 21027 San Mateo Jasper Ridge Biological Preserve, Stanford University; old sandy beach Comment
  CAS-BOT-BC277229  Centaurea solstitialis Phillip C. Wheeler 1965-6-19 s.n. San Mateo San Bruno Mountain. Brisbane Lagoon Comment
  RSA187357  Centranthus ruber John H. Thomas 1958-11-9 7503 San Mateo Along El Camino Real at northern end of San Carlos. 30 Comment
  CAS-BOT-BC279326  Centromadia pungens subsp. pungens Lewis S. Rose 1965-9-20 65106 San Mateo Burlingame, Trousdale Dr. & California Dr. 9 Comment
  CAS-BOT-BC384958  Cerastium arvense W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. Ravine north of Seal Cove Comment
  CAS-BOT-BC384962  Cerastium arvense A. A. Heller 1907-4-20 8446 San Mateo Near Lake Merced Comment
  CAS-BOT-BC388388  Cerastium glomeratum A. D. E. Elmer 1903-4-1 4473 San Mateo San Bruno Hills Comment
  CAS-BOT-BC388396  Cerastium glomeratum Catherine A. Toschi 1963-2-23 63 :16 San Mateo North slope San Bruno Mountains above Crocker Avenue 152 Comment
  CAS-BOT-BC166933  Cerastium holosteoides Peter Rubtzoff 1977-11-24 9141 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  JROH3628  Cercocarpus betuloides var. betuloides John Hunter Thomas 1987-5-19 24297 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1947  Chamaesyce maculata John Hunter Thomas 1990-7-28 24939 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1817  Chenopodium berlandieri var. sinuatum John Rawlings 2011-8-2 1100 San Mateo Jasper Ridge Biological Preserve, Stanford University. Dry bed of San Francisquito Creek near Dennis Martin site marker. 71 Comment
  UC1076471  Chenopodium multifidum Herbert L. Mason 1924-10-19 1115 San Mateo Colma Comment
Read comments
Apr 6 2009
  JROH4647  Chlorogalum pomeridianum var. pomeridianum John H. Thomas 1974-6-27 17454 San Mateo Jasper Ridge Biological Preserve, Stanford University; near the low flow crossing below Searsville Dam Comment
  CAS-BOT-BC32865  Chorizanthe cuspidata var. marginata Adolph Daniel Edward Elmer 1903-5-1 4828 San Mateo San Pedro Comment
  SEINET3828530 Image available Chorizanthe cuspidata var. marginata A. D. E. Elmer 1903-1 4828 San Mateo San Pedro. Comment
  JROH3223  Chorizanthe diffusa W. R. Dudley 1910-5-29 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC125349  Chorizanthe robusta Katharine Brandegee June 1905 San Mateo Colma Comment
  CAS-BOT-BC36405  Chrysolepis chrysophylla George Oberlander 1949-8-8 411 San Mateo Southern Cahill Ridge Comment
  RSA121897  Chrysolepis chrysophylla C. M. Belshaw 1936-1-25 1462 San Mateo Kings Mountain road, 4.5 miles west of Woodside; South Coast Range. Comment
  UC1135217  Chrysolepis chrysophylla var. minor C. M. Belshaw 1935-1-25 1469 San Mateo 2.5 mi nw Sierra Moreno Peak; Santa Cruz Quad. 457 Comment
Read comments
Oct 3 2011
  JROH2583  Cicendia quadrangularis John H. Thomas 1966-4-2 11545 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR240607  Cirsium T. B. Salvato, Lia V. D. Mansfield, Joel-Henry J. Mansfield 2008-6-14 3529 San Mateo Central Coast, Pebble Beach State Beach, 12.5 mi north of Santa Cruz Co. line, along Hwy 1, Pacific Coast Hwy, 1.65 mi south of road to Pesacadero and 16 mi south of Half Moon Bay 11 Comment
  SEINET3383254 Image available Cirsium fontinale Lewis S. Rose 1933-6-9 33223 San Mateo Crystal Springs Lake Springs. Comment
  CDA1230  Cirsium fontinale var. fontinale T. C. Fuller 1970-5-13 19532 -B San Mateo East side of I-280, 100 yds. s. of junction Hwy 92 w. to Half Moon Bay. E slope above Crystal Springs Reservoir. Comment
  SJSU2899  Cirsium fontinale var. fontinale G. E. Pilz 1965-7-12 114 San Mateo E side Crystal Springs Reservoir in outer S Coast Ranges 121 Comment
  UC306684  Cirsium fontinale var. fontinale A. D. E. Elmer 1903-6-1 4292 San Mateo Crystal Springs Lake Comment
  UC91574  Cirsium fontinale var. fontinale Alice Eastwood 1897-6-1 San Mateo Crystal Springs Comment
  UC922267  Cirsium fontinale var. fontinale H. K. Sharsmith 1937-6-3 3952 San Mateo about 3 mi w of San Mateo; Crystal Springs Lake 152 Comment
  UC30792  Cirsium occidentale var. candidissimum J. Burtt Davy 1895-4-20 1053 San Mateo Lake Pilarcitos Comment
  CAS-BOT-BC285670  Cirsium occidentale var. occidentale John H. Thomas 1963-5-20 10118 San Mateo Anu Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  UC614959  Cirsium occidentale var. venustum Beryl O. Schreiber 1932-5-29 312 San Mateo Crystal Springs Comment
  RSA18506  Cirsium occidentale var. venustum C. B. Wolf 1927-7-14 614 San Mateo Summit of Kings Mountain Rd. Comment
  RSA34005  Cirsium occidentale var. venustum J. Wendell Howe 1930-5-21 s.n. San Mateo Hillside near Alpine Creek Comment
  CAS-BOT-BC280507  Cirsium quercetorum J. H. Thomas 1954-6-11 4287 San Mateo About 0.25 miles north of Pigeon Point Light House Comment
  CAS-BOT-BC280516  Cirsium quercetorum R. S. Ferris 1921-5-1 2184 San Mateo Arroyo de Los Frijoles Comment
  CAS-BOT-BC280523  Cirsium quercetorum A. D. E. Elmer 1903-6-1 4290 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC280529  Cirsium quercetorum Alice Eastwood; John Thomas Howell 1938-6-26 6078 San Mateo Crystal Springs Lake Comment
  CDA1535  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
  JEPS80473  Cirsium quercetorum L. R. Heckard 1981-5-25 5663 San Mateo on e side of the s end Lower Crystal Springs Reservoir (nw of junction (freeway interchange) of highway state <sic> 92 and U. S. 280) Comment
  UC134771  Cirsium quercetorum Dr. E. B. Copeland 1903-6-7 3316 San Mateo Montara Point Pacific Coast, Montara Point Comment
  SJSU11877  Cirsium quercetorum G. I. Tourtlotte 1968-5-22 San Mateo S side Guadalupe Canyon, San Bruno Mts. Comment
  JROH635  Cirsium vulgare John H. Thomas 1970-7-5 15670 San Mateo Jasper Ridge Biological Preserve, Stanford University 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-BC285863  Cirsium vulgare John H. Thomas 1963-5-20 10107 A San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  CAS-BOT-BC285869  Cirsium vulgare George Oberlander 1949-8-20 335 San Mateo San Francisco Watershed Reserve. Sawyer Ridge Comment
  CAS-BOT-BC285870  Cirsium vulgare Ned Cahill 1975-1-18 398 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC172000  Clarkia epilobioides Robert F. Hoover 1941-4-23 4904 San Mateo Redwood City Hills Comment
  UCD104853  Clarkia purpurea W. A. Harvey; J. M. Tucker 1948-6-29 1710 San Mateo Beside road to Portola State Park, just W of junction with Highway 5 (Skyline Boulevard). Comment
  CAS-BOT-BC163977  Clarkia purpurea subsp. quadrivulnera W. R. Dudley 1894-7-7 s.n. San Mateo Summit of Bear Gulch 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-BC165152  Clarkia rubicunda Daniel Cohen 1953-6-3 106 San Mateo Los Trancos Woods Comment
  CAS-BOT-BC165173  Clarkia rubicunda W. R. Dudley 1902-9-21 s.n. San Mateo Near Crystal Springs Reservoir Comment
  CAS-BOT-BC165179  Clarkia rubicunda L. R. Abrams 1907-8-26 s.n. San Mateo Kings Mt. Comment
  JEPS29416  Clarkia rubicunda L. R. Heckard 1961-7-16 1263 San Mateo ne transmitting station KQED (near summit of mountain); San Bruno Mt. 335 Comment
  JROH3017  Clarkia rubicunda Raymond R. White 1974-6-3 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; area H Comment
  JROH3024  Clarkia rubicunda John Hunter Thomas 1978-7-2 19244 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA78149  Clarkia rubicunda A. D. E. Elmer 1903-06 4310 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC165131  Clarkia rubicunda Carl B. Wolf 1927-6-29 566 San Mateo On the coast 3 mi. so. of San Gregorio Comment
  CAS-BOT-BC165159  Clarkia rubicunda Lewis S. Rose 1957-7-6 57117 San Mateo Skyline Blvd. w. of San Mateo 182 Comment
  CAS-BOT-BC165160  Clarkia rubicunda W. R. Dudley 1905-6-19 s.n. San Mateo By road above Evans near Iverson place Comment
  CAS-BOT-BC165172  Clarkia rubicunda W. R. Dudley 1894-5-30 s.n. San Mateo Near Redwood City Comment
  RSA113581  Clarkia rubicunda Peter H. Raven 1957-6-30 11012 San Mateo Near bridge over Tunitas Creek along State Highway 1 Comment
  RSA15204  Clarkia rubicunda Carl B. Wolf 1926-10-19 86 San Mateo West of La Honda; Santa Cruz Mountains Comment
  CAS-BOT-BC165605  Clarkia unguiculata Kent E. Holsinger 1979-5-16 10 b San Mateo Jasper Ridge Biological Preserve; 5 mi. SW of Stanford Univ. campus, on south facing slope of Searsville Lake 109 Comment
  JROH3334  Claytonia exigua subsp. exigua John H. Thomas 1975-4-5 17717 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  JROH5709  Claytonia parviflora subsp. parviflora John Rawlings 2015-3-15 1348 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 8 110 Comment
  CAS-BOT-BC439591  Claytonia parviflora subsp. parviflora John H. Thomas 1963-5-20 10097 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz. Comment
  CAS-BOT-BC439988  Claytonia perfoliata subsp. mexicana Elizabeth McClintock 1965-3-21 s.n. San Mateo San Bruno Mountain. Summit east of Brisbane Power Line 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
  JROH3347  Claytonia perfoliata subsp. perfoliata John H. Thomas 1967-4-28 12725 San Mateo Jasper Ridge Biological Preserve, Stanford University; near "Oaks" Comment
  JROH3403  Clematis lasiantha John H. Thomas 1956-4-7 5628 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD49791  Clematis lasiantha John H. Thomas 1959-4-5 7666 San Mateo Jasper Ridge, about 5 miles southwest of Palo Alto, western end 152 Comment
  POM169898  Clintonia andrewsiana A. D. E. Elmer 1903-05 4331 San Mateo Butano Creek Comment
  CAS-BOT-BC499369  Clintonia andrewsiana W. R. Dudley 1915-9-1 s.n. San Mateo El Corte de Madera Creek Comment
  OBI78393  Collinsia heterophylla Rimo Bacigalupi, G. T. Robbins 1954-6-18 4551 San Mateo Roadbank along Alpine Rd, 1/4 mi W of Skyline blvd 701 Comment
  CAS-BOT-BC240925  Collinsia multicolor C. F. B. 1902-4-6 647 San Mateo Crystal Springs Lake Comment
  CHSC56998  Collinsia multicolor Josephine Boyd 1988-5-11 San Mateo Along the old stagecoach roal parallel to Crystal Springs Road ca 250 ft sw of its jct. with Polhemus Road in San Mateo. 83 Comment
  POM50569  Collinsia sparsiflora var. collina L. R. Abrams 1902-4-13 2322 San Mateo San Andreas Lake. 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
  JEPS26835  Collomia heterophylla Rimo Bacigalupi with L. R. Heckard 1961-5-14 7698 San Mateo in canyons of creek about 3/4 mi below and se Stone Dam Reservoir (w base of ridge); Pilarcitos Creek, Cahill Ridge 152 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
  RSA176753  Collomia heterophylla John H. Thomas 1961-5-5 9217 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Along San Francisquito Creek below Searsville Dam. 76 Comment
  HSC23940  Collomia heterophylla Mary Katherine Wicksten 1971-7-12 166 San Mateo Huddart Park; beside Archery Trail above Archery Flat Comment
  CDA3338  Conicosia pugioniformis G. D. Barbe 1977-11-17 2355 San Mateo Thornton Beach State Park. 0 Comment
  JROH206  Conium maculatum John H. Thomas 1964-7-3 10442 San Mateo Jasper Ridge Biological Preserve, Stanford University; along road above Searsville Lake Comment
  CAS-BOT-BC286208  Conyza canadensis Walter Knight; Irja Knight 1964-5-30 s.n. San Mateo San Bruno Mountain. Colma Canyon Comment
  JEPS64360  Corallorhiza striata Inez Smith Mar. 1915 San Mateo Hillsboro Comment
  JEPS20324  Cordylanthus pilosus subsp. pilosus Lewis S. Rose 1941-8-9 41362 San Mateo Woodside 548 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
  RSA412335  Cordylanthus pilosus subsp. pilosus E. S. Spalding 1923-8-3 s.n. San Mateo Near Pulgas Tunnel. Comment
  CAS-BOT-BC101482  Corethrogyne filaginifolia L. R. A. 1902-5-11 2459 San Mateo Crystal Springs Comment
  CAS-BOT-BC101483  Corethrogyne filaginifolia George Oberlander 1950-4-3 863 San Mateo Grassland east of Lower Crystal Spr. Lake Comment
  POM190259  Corethrogyne filaginifolia var. californica D. D. Keck 1932-5-25 1785 San Mateo East side of Crystal Springs Lake Comment
  POM287565  Cornus californica Lyman Benson 1937-7-25 8477 San Mateo Lake Searsville; Mt. range: Santa Cruz; Drainage area: San Francisco Bay. 122 Comment
  CAS-BOT-BC210357  Cornus sericea Margaret A. Barry 1938-5-6 s.n. San Mateo Los Trancos Creek near Coal Mine Ridge Comment
  UCR3565  Cornus sericea subsp. sericea Wm. Horn Jr. 1964-6-11 630611- 01 San Mateo San Francisco Bay region, Hillsborough [Burlingame], 2240 Redington Road 30 Comment
  JROH5668  Cortaderia selloana John Rawlings 2013-12-3 1242 San Mateo Jasper Ridge Biological Preserve, Stanford University; west side of the Corte Madera Creek main channel, visible from Trail 13. 109 Comment
  CAS-BOT-BC180278  Corylus cornuta subsp. californica Phillip Wheeler 1965-6-7 s.n. San Mateo Lower Owls Canyon ridge. San Bruno Mountain Comment
  CAS-BOT-BC180364  Corylus cornuta subsp. californica W. R. Dudley 1903-7-10 23 San Mateo Corte de Madera Canon [canyon], Santa Cruz Mts., Santa Cruz Peninsula Comment
  JROH1334  Corylus cornuta subsp. californica John H. Thomas 1974-5-3 17246 San Mateo Jasper Ridge Biological Preserve, Stanford University; in redwood area below dam Comment
  SEINET12034013  Corylus rostrata var. californica Unknown 1930-1 7313 A San Mateo Los Francoo Woods 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
  CAS-BOT-BC141553  Cotoneaster pannosus Walter Knight; Irja Knight 1964-9-2 s.n. San Mateo Crocker Avenue near Guadalupe Road - San Bruno Mountain Comment
  JROH3642  Cotoneaster pannosus John Hunter Thomas 1983-4-28 21777 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near green shack Comment
  CAS-BOT-BC287308  Cotula australis Peter H. Raven 1951-2-8 2731 San Mateo Summit ridge, San Bruno Mts Comment
  CHSC22928  Cotula coronopifolia Robert A. Schlising; Glenn Keator 1962-2-3 2047 San Mateo California Coast Ranges. Along Gazos Creek at Highway 1. Comment
  CAS-BOT-BC291467  Cotula coronopifolia John H. Thomas 1963-7-19 10193 San Mateo Ano Nuevo Island about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  CAS-BOT-BC291471  Cotula coronopifolia Margaret A. Barry 1938-5-14 254 San Mateo In Mud Lake on Coal Mine Ridge Comment
  SEINET11841252  Cotula coronopifolia E. H. Graham 1931-1 6928 San Mateo Ano Nuevo Point Comment
  CAS-BOT-BC427607  Crassula aquatica W. R. Dudley 1910-5-26 s.n. San Mateo Santa Cruz Mountain Peninsula. Coal Mine Ridge, Black Mountain Comment
  CAS-BOT-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
  JROH1889  Crassula connata John Hunter Thomas 1982-5-23 20813 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  JROH3650  Crataegus monogyna John H. Thomas 1965-4-10 10560 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3653  Crataegus monogyna John H. Thomas 1967-6-1 12972 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1962  Croton setiger John Hunter Thomas 1988-8-21 24565 San Mateo Jasper Ridge Biological Preserve, Stanford University; along "main road" Comment
  SD38456  Croton setiger Edith A. Purer 1933-8-25 5513 San Mateo Skyline Drive, along the roadside Comment
  JROH4976  Crypsis schoenoides Herbert Dengler 1961-1-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Pond bottom (W. of Portola Road). Comment
  JROH4980  Crypsis schoenoides John Hunter Thomas 1980-11-12 20168 San Mateo Jasper Ridge Biological Preserve, Stanford University. Delta Comment
  JEPS18858  Cryptantha clevelandii V. F. Hesse 1957-6-20 2233 San Mateo 1 mi n Saratoga Summit (near Highway 5) 762 Comment
Read comments
Oct 22 2021
  JEPS127873  Cryptantha flaccida Adam C. Schneider 2013-5-17 183 San Mateo Crystal Springs Reservoir Comment
  JROH1362  Cryptantha flaccida John Hunter Thomas 1991-5-2 25023 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD84709  Cryptantha torreyana Robert E. Preston 2009-6-16 2688 b San Mateo Santa Cruz Mtns, ca. 0.5 mi NW of Waterman Gap. 347 Comment
  JROH1385  Cryptantha torreyana var. pumila Herbert Dengler 1961-4-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near round enclosure -- top of J.R. Comment
  RSA735620  Cupressus abramsiana subsp. butanoensis John Silba 2004-12-28 B- 423 San Mateo Pescadero County Park, on Butano Ridge, ca. 5.0-5.5 miles east of Dearborn Park Road 396 Comment
  CAS-BOT-BC80652  Cupressus goveniana Harry A. Dutton 1949-9-1 s.n. San Mateo Butano Ridge between Pescadero and Butano Creeks, Santa Cruz Mountains. Comment
  CAS-BOT-BC80790  Cupressus macrocarpa J. H. Thomas 1964-6-19 10423 San Mateo About 1/2 mi below Skyline Blvd. on Half Moon Bay Road toward Crystal Springs Reservoir. Comment
  CAS-BOT-BC224412  Cuscuta californica George Oberlander 1950-7-15 1040 San Mateo San Francisco Watershed Reserve Comment
  CAS-BOT-BC224413  Cuscuta californica Josephine D. Randall 1907-7-23 107 San Mateo Santa Cruz Peninsula. Near Crystal Springs Lake Comment
  JROH1859  Cuscuta californica var. californica John Hunter Thomas 1978-7-2 19240 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Rider's Shack Comment
  SEINET12278070  Cuscuta salina E. A. Purer 1933-1 5408 San Mateo Near Baden Station Comment
  CDA39983  Cuscuta subinclusa E. L. Labadie Jr. 1960-9-7 s.n. San Mateo 11510 Terrace Drive, Los Altos. 0 Comment
  CAS-BOT-BC287340  Cynara cardunculus John Thomas Howell 1956-11-14 31961 San Mateo Bayshore Highway just S of Main St, Redwood City Comment
  JROH5005  Cynodon dactylon John Hunter Thomas 1987-5-26 24313 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CHSC42086  Cynoglossum grande Rusti Gammon 1986-3-30 2 San Mateo Ca. 8 mi s of Saratoga, 4.1 mi w off hwy 9. 569 Comment
  RSA130416  Cynoglossum grande Josephine Randall 1908-2-16 s.n. San Mateo Corte de Madera Canyon near Alpine Road. Comment
  RSA176667  Cynoglossum grande P. H. Raven 1964-2-16 18744 San Mateo Just south of Lake San Andreas. Comment
  RSA291933  Cynoglossum grande Robert A. Norris, John L. Inase, Willie J. Roberts, Nelson R. Powers 1982-1-30 4326 San Mateo Perennials along Chickadee Trail, Huddart County Park, ca. 3 1/2 miles W Woodside. 274 Comment
  UCR121491  Cynosurus echinatus George K. Helmkamp, E. A. Helmkamp 1999-6-28 4958 San Mateo Coast Range; Santa Cruz Mtns, Sky Londa; junction of Calif. Hwy 84 and Calif. Hwy 35, 5 mi south of central Redwood City 457 Comment
  JROH4380  Cyperus eragrostis John Hunter Thomas 1981-5-14 20577 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1100540  Cyperus eragrostis Malcolm A. Nobs and S. Galen Smith 1949-8-16 1586 San Mateo ca. 1 mi. s. Half Moon Bay Comment
  CAS-BOT-BC114457  Cyperus eragrostis W. R. Dudley 1908-6-19 s.n. San Mateo Road from Tanforan to Jersey Dairy. Comment
  CAS-BOT-BC114461  Cyperus eragrostis George Thomas Oberlander 1949-7-24 318 San Mateo Marsh, Lower Crystal Spr. Lake. Comment
  SEINET3909461  Cyperus eragrostis Lewis S. Rose 1965-9-20 65107 San Mateo Burlingame, Trousdale Dr. & California Dr.; 0 9 Comment
  UCD18539  Cyperus eragrostis Roman Gankin 1950-7-4 7 San Mateo east side of the Peninsula Coast Range, off of the King's Mtn. Rd. behind Woodside. 609 Comment
  SEINET10535609  Cystopteris Mary Susan Taylor 1978-8-30 Taylor 1860 A San Mateo Comment
  CAS-BOT-BC198194  Cytisus scoparius Phillip C. Wheeler 1965-4-27 s.n. San Mateo Sierra Point, Brisbane, San Bruno Mountain Comment
  RSA128366  Cytisus scoparius Peter H. Raven 1950-6-3 2259 A San Mateo Near San Andreas Lake. Comment
  CAS-BOT-BC198212  Cytisus striatus Elizabeth McClintock; Paul Reeberg 1988-3-15 s.n. San Mateo Olivet Ravine, San Bruno Mountains Comment
  JROH5018  Dactylis glomerata John Hunter Thomas 1979-5-22 19576 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC192237  Danthonia californica A. D. E. Elmer 1903-6-1 4707 San Mateo Crystal Springs Lake Comment
  HSC82084  Danthonia californica Thomas W. Nelson, Jane P. Nelson 1980-5-3 5133 San Mateo Intersection of Hwy. 92 and Hwy. 280, W of San Mateo. Comment
  JROH5038  Danthonia californica John H. Thomas 1968-5-3 14437 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD60479  Danthonia californica R. Tofsrud 1947-6-14 s.n. San Mateo 1-2 mi. N of Pescadero on road to San Gregorio. Comment
  UCD60673  Danthonia californica var. americana Ira L. Wiggins 1929-5-10 3673 San Mateo Coastal bluff at Pigeon Point. Comment
  RSA176777  Daucus pusillus John H. Thomas 1963-5-20 10137 San Mateo Ano Nuevo Island, 1/2 mile off shore and about 20 miles NW of Santa Cruz. Comment
  UCSC007739  Daucus pusillus Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  UC1177095  Deinandra corymbosa Peter H. Raven 1950-6-3 2264 San Mateo near San Andreas Lake 121 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-BC299210  Deinandra corymbosa subsp. corymbosa L. S. Rose 1941-8-9 41361 San Mateo Moss Beach 16 Comment
  CAS-BOT-BC299218  Deinandra corymbosa subsp. corymbosa Elsie Zeile 1909-5-20 s.n. San Mateo Burlingame Comment
  CAS-BOT-BC300004  Deinandra lobbii Josephine D. Randall 1907-11-3 s.n. San Mateo Los Trancos Road near Standford University, Santa Cruz Peninsula Comment
  JEPS23534  Delairea odorata J. H. Thomas 1958-12-18 7509 San Mateo just w San Bruno (along Skyline Blvd.) 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
  UC311529  Delphinium californicum A. D. E. Elmer July 1903 4548 San Mateo Pilarcitos Stone Dam Comment
  CAS-BOT-BC9218  Delphinium californicum M. K. Curran 1884-1-1 s.n. San Mateo at Colma near San Francisco Comment
  JROH3424  Delphinium californicum subsp. californicum Lyman Benson 1930-5-12 2127 San Mateo Jasper Ridge Biological Preserve, Stanford University 152 Comment
  CAS-BOT-BC9245  Delphinium decorum W. R. Dudley 1900-3-17 s.n. San Mateo South side of summit of Montara Mountain Comment
  RSA15301  Delphinium decorum Carl B. Wolf 1927-4-3 271 San Mateo 1 mile above La Honda. Santa Cruz Mountains. Comment
  RSA51292  Delphinium decorum Peter H. Raven 1950-4-16 1788 San Mateo Colma Canyon, San Bruno Mountains. 183 Comment
  CAS-BOT-BC10292  Delphinium hesperium Elizabeth McClintock 1979-5-28 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  JROH3444  Delphinium hesperium subsp. hesperium John H. Thomas 1976-5-26 18155 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC570175  Delphinium hesperium subsp. hesperium N. K. Carlson 1935-6-29 107 San Mateo 1 mi s Pescadero 91 Comment
  JROH3459  Delphinium patens subsp. patens John Hunter Thomas 1985-4-11 23521 San Mateo Jasper Ridge Biological Preserve, Stanford University. Grassy area below and to the east of Searsville Dam Comment
  POM177524  Delphinium variegatum W. R. Dudley 1896-4-4 s.n. San Mateo Near Crystal Springs Lake Comment
  CAS-BOT-BC116531  Delphinium variegatum J. Chandler 1900-3-1 s.n. San Mateo near San Bruno Comment
  CAS-BOT-BC7894  Delphinium variegatum C. F. Baker 1902-5-1 748 San Mateo not specified Comment
  UC518022  Delphinium variegatum Lewis S. Rose 1933-4-30 33125 San Mateo open hills Redwood City Comment
  CAS-BOT-BC192598  Deschampsia cespitosa subsp. holciformis L. R. Abrams 1927-6-15 s.n. San Mateo Spring Valley Lakes Comment
  CAS-BOT-BC192601  Deschampsia cespitosa subsp. holciformis George Oberlander 1950-4-22 724 San Mateo Cahill Ridge Comment
  CAS-BOT-BC192634  Deschampsia danthonioides H. A. Dutton 1900-4-25 s.n. San Mateo Woodside Comment
  JROH5056  Deschampsia danthonioides John Hunter Thomas 1991-5-7 25036 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC201911  Deschampsia elongata W. R. Dudley 1895-6-6 s.n. San Mateo Pescadero Creek near Iverson's [Iverson] Comment
  JROH5070  Deschampsia elongata John Hunter Thomas 1985-5-22 23670 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU112  Dicentra formosa T. Rogers 1929-5-30 San Mateo Kings Mt Comment
  CAS-BOT-BC705  Dicentra formosa subsp. formosa Walter Knight; Irja Knight 1964-5-30 614 San Mateo Guadalupe Road near big rock at Guadalupe Creek. Comment
  UC1300934  Dichelostemma capitatum Helen K. Sharsmith 1963-2-16 5140 San Mateo above Daly City; San Francisco Bay Region, San Bruno Mountain 106 Comment
  CAS-BOT-BC389662  Dichelostemma capitatum Wm. McCauley 1963-3-30 s.n. San Mateo Coyote Point Comment
  CAS-BOT-BC500891  Dichelostemma capitatum Ned Cahill 1974-4-19 152 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC500926  Dichelostemma capitatum Rimo Bacigalupi 1922-5-25 s.n. San Mateo Redwood Highlands Comment
  CAS-BOT-BC500933  Dichelostemma capitatum Catherine A. Toschi 1963-2-23 63 :21 San Mateo North slope San Bruno Mountains above Crocker Avenue 152 Comment
  POM276997  Dichelostemma capitatum subsp. capitatum Lyman Benson 1931-3-15 2634 San Mateo Emerald Lake; Redwood City; Mt. Range: Santa Cruz 152 Comment
  SBBG39530  Dichelostemma capitatum subsp. capitatum L. S. Rose 1970-4-8 San Mateo Black Mtn, W of San Mateo 121 Comment
  UCSB11443  Dichelostemma capitatum subsp. capitatum Olson, Jim 1962-4-17 San Mateo 10 miles east of Halfmoon Bay on Canada Road 30 Comment
  CAS-BOT-BC502168  Dichelostemma congestum Fred Hemphill 1973-4-22 693 San Mateo San Carlos. Chaparral area north of Malabar Road and Melendy Drive. 207 Comment
  JROH4662  Dichelostemma congestum John H. Thomas 1964-4-29 10333 San Mateo Jasper Ridge Biological Preserve, Stanford University. Oakwoodland near Searsville end of ridge Comment
  JROH5081  Digitaria sanguinalis John Hunter Thomas 1991-11-21 25103 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low-flow crossing of San Francisquito Creek. Comment
  CAS-BOT-BC150452  Diplacus aurantiacus Margaret A. Barry 1937-5-23 146 San Mateo On Coal Mine Ridge Comment
  CAS-BOT-BC150459  Diplacus aurantiacus Robert Robertson 1954-5-1 108 San Mateo 2 miles E. of Pescadero 30 Comment
  CAS-BOT-BC150460  Diplacus aurantiacus J. H. Thomas 1954-4-3 3811 San Mateo Sand Hill Road, about 1 mile W. of Junipero Serra Blvd. 91 Comment
  CAS-BOT-BC151991  Diplacus douglasii W. R. Dudley 1900-3-26 s.n. San Mateo Beyond Woodside, half way up the Mt. - Santa Cruz Peninsula Comment
  RSA780382  Dipsacus fullonum Lyman Benson 1937-7-25 8472 San Mateo Lake Searsville; Mt. range: Santa Cruz; Drainage area: San Francisco Bay. 122 Comment
  RSA133892  Dipsacus sativus John H. Thomas 1958-6-11 7229 San Mateo About 4.3 miles due E of Belmont near Crystal Springs Reservoir. 91 Comment
  CAS-BOT-BC121867  Dirca occidentalis G. Edelbrock 1975-2-8 1 San Mateo San Francisco Watershed 152 Comment
  POM202469  Dirca occidentalis L. S. Rose 1933-6-9 s.n. San Mateo San Andreas Lake Comment
  POM274504  Dirca occidentalis Lyman D. Benson 1929-3-2 992 San Mateo East of Lake Searsville Comment
  RSA15243  Dirca occidentalis Carl B. Wolf 1927-2-17 204 San Mateo Los Trancos Creek, 2 miles back of 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
Read comments
Jul 18 2011
  RSA396845  Dirca occidentalis D. E. Breedlove 1964-2-7 5916 San Mateo In San Andreas Canyon below the dam Comment
  SBBG39502  Dirca occidentalis L. S. Rose 1970-1-30 70002 San Mateo 1 mi SE of San Andreas Lake; Santa Cruz Mts 304 Comment
  SJSU4530  Dirca occidentalis L. S. Rose 1964-3-9 64004 San Mateo N end Crystal Springs L 121 Comment
  UCD64382  Distichlis spicata var. stolonifera A. A. Beetle 1942-10-1 1889 San Mateo Near San Mateo. Borders of San Francisco Bay. Comment
  JROH3385  Dodecatheon hendersonii John H. Thomas 1968-3-17 14179 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC389755  Dodecatheon hendersonii J. Nieri 1969-2-26 s.n. San Mateo Hillsborough Comment
  JROH1512  Draba verna John Hunter Thomas 1985-4-10 23517 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam near bridge over San Francisquito Creek Comment
  CAS-BOT-BC389714  Drymocallis glandulosa Sharon Rogers 1966-4-23 s.n. San Mateo Area in Crystal Springs watershed, between North and South Gates of Filoli Estate Comment
  CAS-BOT-BC159546  Drymocallis glandulosa var. glandulosa John H. Thomas 1965-4-29 10600 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  CAS-BOT-BC159550  Drymocallis glandulosa var. glandulosa Alice Eastwood 1912-6-10 327 San Mateo Crystal Springs Comment
  CAS-BOT-BC159537  Drymocallis glandulosa var. glandulosa W. R. Dudley 1894-5-30 s.n. San Mateo Near San Carlos - Santa Cruz Peninsula Comment
  JROH3734  Drymocallis glandulosa var. wrangelliana John H. Thomas 1967-6-1 12973 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM267960  Drymocallis glandulosa var. wrangelliana Jens Clausen 1941-7-1 1872 San Mateo Summit of Montara Mtn 274 Comment
  CAS-BOT-BC67882  Dryopteris arguta C. F. Baker 1902-1-15 320 San Mateo West side King's Mountain Comment
  CAS-BOT-BC67888  Dryopteris arguta Ira L. Wiggins 1928-4-14 2920 San Mateo Alpine Creek Road Comment
  JROH33  Dryopteris arguta John H. Thomas 1976-11-5 18433 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  JROH37  Dryopteris arguta John Hunter Thomas 1980-11-12 20162 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH39  Dryopteris arguta John Hunter Thomas 1981-2-14 20219 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  CAS-BOT-BC67894  Dryopteris arguta G. Edelbrock 1975-2-8 003 San Mateo SF watershed - Along roadcut at Stone Dam below Pilarcitos Lake 121 Comment
  JEPS49939  Dudleya caespitosa W. L. Jepson 1910-8-18 4164 San Mateo Gazos Creek Pescadero Comment
  CAS-BOT-BC428369  Dudleya farinosa Alice Eastwood 1937-7-25 18883 San Mateo Pebble Beach, Pescadero Comment
  CAS-BOT-BC428363  Dudleya farinosa L. R. Abrams 1909-8-2 4273 San Mateo Santa Cruz Peninsula. Pebble Beach hotel, Pescadero 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
  JROH5722  Echinochloa crus-galli John Rawlings 2015-9-22 1641 San Mateo Jasper Ridge Biological Preserve, Stanford University. In mud of Corte Madera Creek delta near open water 104 Comment
  CAS-BOT-BC197265  Echinochloa muricata var. microstachya George Oberlander 1949-9-25 394 San Mateo San Francisco Watershed Reserve. Upper Crystal Spr. Lake Comment
  JROH1914  Elatine John Hunter Thomas 1984-4-8 23276 San Mateo Jasper Ridge Biological Preserve, Stanford University 166 Comment
  CAS-BOT-BC112956  Eleocharis macrostachya Copeland 1903-3-1 3340 San Mateo Searsville Comment
  JROH4405  Eleocharis macrostachya John Hunter Thomas 1981-7-12 20691 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near boat dock. 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
  SEINET3910868  Eleocharis montevidensis Lewis S. Rose 1950-5-20 50146 San Mateo Emerald Lake region hills w. of Redwood City.; 0 244 Comment
  CAS-BOT-BC203879  Elymus X hansenii Elizabeth McClintock; Paul Reeberg 1989-5-30 s.n. San Mateo San Bruno Mountains. Owl Canyon 121 Comment
  JROH5116  Elymus X hansenii Toni Corelli 2005-6-1 290 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 11 before Trail 9. 112 Comment
  UC50673  Elymus californicus Kellogg and Brennon San Mateo San Gregorio's Redwoods Comment
  CAS-BOT-BC203679  Elymus glaucus subsp. glaucus Walter Knight; Irja Knight 1965-5-15 s.n. San Mateo San Bruno Mountain. Bitter Cherry Ravine Comment
  JROH5104  Elymus glaucus subsp. glaucus John H. Thomas 1971-5-30 15979 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU16011  Elymus glaucus subsp. virescens John Rawlings, Toni Corelli 2016-5-27 1845 San Mateo Bean Hollow bluff trail, west of Hwy 1 south of Pescadero 8 Comment
  CAS-BOT-BC235205  Elymus multisetus Ned Cahill 1974-5-30 306 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JROH5120  Elymus multisetus D. E. Breedlove 1971-5-31 19389 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH5131  Elymus multisetus John Hunter Thomas 1986-6-7 24086 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5136  Elymus multisetus John Hunter Thomas 1992-5-25 25340 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  LA14855  Elymus multisetus David D. Keck; 1932-5-6 1469 San Mateo Belmont Comment
  RSA159423  Elymus multisetus John H. Thomas 1961-5-14 9384 B San Mateo Serpentine road bank and outcropping just north of dam on San Mateo Creek. 122 Comment
  CAS-BOT-BC204302  Elymus trachycaulus subsp. trachycaulus L. R. A. 1902-5-11 2452 San Mateo Crystal Springs Comment
  CAS-BOT-BC204303  Elymus trachycaulus subsp. trachycaulus L. R. A. 1902-5-11 2452 San Mateo Crystal Springs Comment
  POM87686  Elymus trachycaulus subsp. trachycaulus Le Roy Abrams 1902-5-11 2452 San Mateo Crystal Springs. Comment
  SJSU15315  Elymus trachycaulus subsp. trachycaulus John Rawlings 2014-5-28 1243 San Mateo In the vicinity of the Edgewood Preserve's West Kiosk (intersection of Edgewood and Serpentine Loop trails). 184 Comment
Read comments
Feb 18 2015
  JROH3044  Epilobium brachycarpum John H. Thomas 1972-8-18 16152 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA184928  Epilobium brachycarpum L. S. Rose 1966-8-6 66077 San Mateo San Bruno Mountain, head of Colma Canyon 213 Comment
  UCR3568  Epilobium ciliatum Wm. Horn Jr. 1963-6-10 630610- 01 San Mateo San Francisco Bay Region, Hillsborough [Burlingame], 2240 Redington Road 30 Comment
  UC306525  Epilobium densiflorum A. D. E. Elmer June, 1903 4273 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC389734  Equisetum J. Lovelle 1973-8-5 48 San Mateo Pomponio Canyon Comment
  UCD135303  Equisetum arvense J. D. Skoss 1948-7-25 49 San Mateo San Vicente Canyon near Montara. Comment
  UCD164092  Equisetum arvense Peter Rubtzoff 1978-4-2 9153 San Mateo San Bruno Mountains.'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  RSA30891  Equisetum hyemale var. affine Roxana S. Ferris 1921-3-20 2113 San Mateo Pescadero near mouth of canon. The Santa Cruz Mtn Peninsula. Comment
  CAS-BOT-BC57598  Equisetum telmateia Elizabeth McClintock 1965-3-28 s.n. San Mateo Devil's Arroyo Comment
  CAS-BOT-BC57606  Equisetum telmateia L. R. Abrams 1904-3-7 6343 San Mateo Bear Gulch near Time Falls Comment
  POM281823  Equisetum telmateia var. braunii Lyman Benson 1930-5-3 2106 San Mateo Above Woodside, Mt. Range: Santa Cruz 244 Comment
  JROH5143  Eragrostis pectinacea var. pectinacea W. Lennihan 1980-11-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Delta in Searsville Lake (formed by Corte Madera Creek). Comment
  CAS-BOT-BC291202  Erechtites glomeratus E. McClintock; Phillip Wheeler 1965-5-23 s.n. San Mateo San Bruno Mountain. Top of ridge, east of Nike station Comment
  CAS-BOT-BC291242  Erechtites minimus J. H. Thomas 1955-12-6 5515 San Mateo Growing on the upstream face of Pilarcitos Lake Dam Comment
  CAS-BOT-BC291243  Erechtites minimus Elizabeth McClintock; Walter Knight; Irja Knight 1963-9-2 s.n. San Mateo San Bruno Mountain. Power Line Ridge Comment
  SEINET7042863  Eremalche rotundifolia A. G. Vestal 1962-3-26 s.n. San Mateo Laguna Salada. San Francisco South quadrangle UTM Zone 10, 545384mE, 4164305mN. Comment
  JROH3145  Eriastrum abramsii John H. Thomas 1961-6-7 9533 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU14204  Eriastrum abramsii Toni Corelli 1989-4-25 202 San Mateo Edgewood County Park 219 Comment
  JROH650  Erigeron canadensis John H. Thomas 1976-10-16 18399 San Mateo Jasper Ridge Biological Preserve, Stanford University; now dry delta in Searsville Lake at the mouth of Corte de Madera Creek Comment
  RSA136093  Erigeron foliosus var. franciscensis W. R. Dudley 1895-6-14 s.n. San Mateo Santa Cruz Mtn Peninsula. Comment
  CAS-BOT-BC295087  Erigeron glaucus Walter Knight; Irja Knight; Elizabeth McClintock 1963-9-2 s.n. San Mateo San Bruno Mountain. Power Line Ridge Comment
  JEPS89680  Erigeron glaucus Dean W. Taylor 1988-3-30 9466 San Mateo northern slope of se ridge of San Bruno Mountain (near the ridgecrest, right-of-way of eastern-most set of PG&E high-voltage powerlines crossing the mountain); Central Coast Region (CCo), San Bruno Mountain 176 Comment
  SD40122  Erigeron glaucus Edith A. Purer 1933-7-27 5382 San Mateo Two miles south of Pigeon Point. Comment
  CAS-BOT-BC300246  Erigeron reductus var. angustatus John Thomas Howell 1930-11-9 s.n. San Mateo Crystal Springs Lake Comment
  JROH695  Erigeron sumatrensis Toni Corelli 2011-8-30 371 b San Mateo Jasper Ridge Biological Preserve, Stanford University. Below Dennis Martin site, above San Francisquito Creek 71 Comment
  JROH5627  Erigeron sumatrensis Ann Lambrecht 2006-11-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Behind outbuildings near caretaker's residence (Sector 29 D3) Comment
  JROH2717  Eriodictyon californicum John H. Thomas 1959-4-5 7667 San Mateo Jasper Ridge Biological Preserve, Stanford University; at the western end of ridge Comment
  JROH2724  Eriodictyon californicum John H. Thomas 1973-5-5 16767 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM222784  Eriodictyon californicum S. S. Berry 1909-4-23 s.n. San Mateo Road near Los Francos Creek 61 Comment
  CAS-BOT-BC250544  Eriogonum gracile John H. Thomas 1969-10-19 15478 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  CAS-BOT-BC251987  Eriogonum latifolium J. H. Thomas 1949-6-4 575 San Mateo Along coast, 1.4 miles S. of road to Pescadero Comment
  UC311072  Eriogonum latifolium A. D. E. Elmer July, 1903 4557 San Mateo Half Moon Bay Comment
  CAS-BOT-BC264776  Eriogonum luteolum L. S. Rose 1941-9-2 41432 San Mateo Emerald Lake, west of Redwood City 90 Comment
  RSA120436  Eriogonum luteolum Hester R. Davis 1920-6-1 177 San Mateo Back of Redwood City Comment
  JROH3236  Eriogonum luteolum var. luteolum John Hunter Thomas 1988-8-21 24564 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  LA27120  Eriogonum luteolum var. luteolum L. S. Rose; 1941-9-2 41432 San Mateo W of Redwood City, Emerald Lake 90.0 Comment
  CAS-BOT-BC268996  Eriogonum nudum var. auriculatum A. D. E. Elmer 1903-6-1 4311 San Mateo Crystal Springs Lake Comment
  HSC17314  Eriogonum nudum var. auriculatum L. S. Rose 1964-9-9 64074 San Mateo Emerald Lake W of Redwood City 244 Comment
  JEPS127777  Eriogonum nudum var. auriculatum Adam C. Schneider with C. Matt Guilliams 2013-3-9 30 San Mateo Comment
  JROH3240  Eriogonum nudum var. auriculatum J. H. Thomas 1962-11-4 10013 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Westridge end. Comment
  RSA169305  Eriogonum nudum var. auriculatum L. S. Rose 1964-9-9 64074 San Mateo Emerald Lake, west of Redwood City 244 Comment
  CAS-BOT-BC269007  Eriogonum nudum var. auriculatum L. S. Rose 1927-5-24 s.n. San Mateo San Mateo Comment
  RSA18381  Eriogonum nudum var. auriculatum Carl B. Wolf 1927-7-1 527 San Mateo Above Emerald Lake, back of Redwood City. Comment
  SD12580  Eriogonum nudum var. auriculatum Edith A. Purer 1933-8-4 5401 San Mateo Along the Bayshore Highway, near Redwood City Comment
  SD38955  Eriogonum nudum var. auriculatum Edith A. Purer 1933-7-27 5401 San Mateo Along Bayshore Highway near Redwood City Comment
  SBBG32434  Eriogonum vimineum L. S. Rose 1964-9-9 64073 San Mateo Emerald Lake, W of Redwood City 243 Comment
  JROH702  Eriophyllum confertiflorum var. confertiflorum John H. Thomas 1975-6-5 17942 San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack Comment
  JROH717  Eriophyllum confertiflorum var. confertiflorum John Hunter Thomas 1992-5-5 25210 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC31696  Eriophyllum confertiflorum var. confertiflorum J. Burtt Davy 1893-6-17 772 San Mateo Belmont Comment
  JEPS83062  Eriophyllum lanatum var. arachnoideum Roy E. Buck, Randall A. Morgan, and James A. West 1983-7-23 451 San Mateo 1.4 km w of San Andreas Dam (at n end of Sawyer Ridge, on raodcut and sw-facing slope above last curve in gravel ridge road before intersection above San Andreas Dam.); San Francisco Watershed Reserve, Sawyer Ridge Comment
  JROH720  Eriophyllum lanatum var. arachnoideum John H. Thomas 1962-7-15 9912 San Mateo Jasper Ridge Biological Preserve, Stanford University; near northern end of ridge Comment
  CAS-BOT-BC301271  Eriophyllum lanatum var. arachnoideum W. R. Dudley 1894-4-21 s.n. San Mateo Santa Cruz Mountain Peninsula. By county road below Dam, San Mateo Creek 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
  NY168698  Eriophyllum latilobum A. A. Heller 1907-5-28 8584 San Mateo This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC301980  Eriophyllum staechadifolium Elizabeth McClintock 1963-6-9 s.n. San Mateo San Bruno Mountain Comment
  JEPS34470  Eriophyllum staechadifolium L. R. Heckard and Rimo Bacigalupi 1963-7-2 1359 San Mateo trail to (nw slope) Montara Peak (above old county road) 304 Comment
  SEINET3146689  Eriophyllum staechadifolium L. S. Rose 1938-8-18 38233 San Mateo Skyline Blvd., 3 mi. S of San Francisco Co. line 61 Comment
  CAS-BOT-BC301975  Eriophyllum staechadifolium Saichi Kawahara 1968-6-15 436 San Mateo Pescadero Beach, 150 yards south of mouth of Pescadero Creek, Highway 1 4 Comment
  RSA116669  Eriophyllum staechadifolium W. R. Dudley 1894-3-26 s.n. San Mateo By road from Pescadero to San Gregorio Comment
  CDA5404  Eriophyllum staechadifolium var. artemisiifolium T. R. Haig 1959-6-22 2639 San Mateo Half Moon Bay. 0 Comment
  JROH2594  Erodium botrys John H. Thomas 1969-4-12 14888 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH2605  Erodium cicutarium John H. Thomas 1977-4-19 18536 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC41437  Eruca vesicaria subsp. sativa Elsie Z. Lovegrove 1948-2-22 s.n. San Mateo Coast road near Montara. Comment
  JROH5794  Eryngium jepsonii John Rawlings 2016-6-15 1885 San Mateo Jasper Ridge Biological Preserve, Stanford University. North side of road F, 157 yards east of its intersection with Trail 15 165 Comment
  CAS-BOT-BC54819  Erysimum franciscanum H. E. Parks; S. T. Parks 1930-3-10 0401 San Mateo Spring Valley Lakes. Comment
  CAS-BOT-BC54833  Erysimum franciscanum G. B. Rossbach 1955-3-12 567 San Mateo Lower west slope Pulgas Ridge above east shore Crystal Spring Lake. 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-BC54866  Erysimum franciscanum G. B. Rossbach 1940-5-24 932 San Mateo San Bruno Hills. Ridge 0.5 to 1 mile southeast of highest peak. 358 Comment
  CAS-BOT-BC54886  Erysimum franciscanum James McMurphy 1909-3-20 s.n. San Mateo Crystal Springs. Comment
  CDA24853  Erysimum franciscanum D. G. Kelch 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  LA204415  Erysimum franciscanum H. E. Parks; S. T. Parks 1930-3-10 401 San Mateo Spring Valley Lakes Comment
  RSA101923  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. 122 Comment
  RSA102123  Erysimum franciscanum G. B. Rossbach 1955-3-26 576 San Mateo Upper N slope of San Bruno Mountain, N of radio tower 335 Comment
  UC1034934  Erysimum franciscanum G. B. and R. P. Rossbach 1939-3 905 a&b San Mateo creek ravine below Crystal Springs Lake; San Mateo Cr. 60 Comment
  UC1034950  Erysimum franciscanum G. B. Rossbach 1940-5-24 932 San Mateo exposed crest of ridge one-half to one mi se highest peak; San Bruno Hills 358 Comment
  UC10577  Erysimum franciscanum J. Burtt Davy 1895-4-20 1070 San Mateo Crystal Springs Lake Comment
  UC1084387  Erysimum franciscanum G. Thomas Robbins 1937-4-11 93 San Mateo meadow near Spring Valley Lakes (along road to Woodside) Comment
  CAS-BOT-BC54831  Erysimum franciscanum W. R. Dudley 1906-5-13 s.n. San Mateo Santa Cruz Peninsula. Hills southwest of San Mateo. Comment
  PGM188  Erysimum franciscanum Vern Yadon 1968-4-5 San Mateo Pigeon Pt Lighthouse area Highway 1, Pigeon Pt Lighthouse just S of Comment
  CAS-BOT-BC403539  Eschscholzia californica A. A. Heller 1907-5-28 8571 San Mateo Above Crystal Springs on the Half Moon Bay road Comment
  CAS-BOT-BC403551  Eschscholzia californica Ned Cahill 1974-4-18 125 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CHSC22755  Eschscholzia californica Robert A. Schlising 1962-2-24 2083 San Mateo the California Coastal Ranges. Roadside, along Cabrillo Hwy (No 1) .7 mi N of county line. Comment
  JROH3098  Eschscholzia californica John H. Thomas 1975-4-5 17713 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC403545  Eschscholzia californica H. L. Mason 1922-3-26 s.n. San Mateo Mouth of Gazos Creek Comment
  UCSB18389  Eschscholzia californica Schulte, John 1963-4-12 San Mateo Jasper Ridge, 3 miles SW of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 137 Comment
  POM149355  Eschscholzia californica subsp. californica A. D. E. Elmer 1903-06 4680 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC110570  Eschscholzia crocea T. S. Brandegee May 22 s.n. San Mateo La Honda. Comment
  CAS-BOT-BC202742  Euonymus occidentalis Eric Walther 1919-6-9 s.n. San Mateo Woodside Comment
  CAS-BOT-BC202743  Euonymus occidentalis G. H. Mallory 1919-8-20 s.n. San Mateo La Honda Comment
  CAS-BOT-BC206912  Euonymus occidentalis D. E. Breedlove 1974-5-13 36208 San Mateo Slopes of San Pedro Valley Park, Pacifica. 152 Comment
  POM124471  Euonymus occidentalis A. D. E. Elmer 1903-1 317 San Mateo Butano Creek Comment
  RSA116735  Euonymus occidentalis W. R. Dudley 1910-5-26 s.n. San Mateo Los Trancos Creek, above Judge Allen's; Santa Cruz Mountain Peninsula. Comment
  RSA14368  Euonymus occidentalis Elmer I. Applegate 1895-5-11 67 San Mateo Searsville road. Comment
  JROH1803  Euonymus occidentalis var. occidentalis Carol Zabel 1989-5-5 14 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 1 on sandstone slope east of redwoods Comment
  UC565994  Euonymus occidentalis var. occidentalis A. E. Wieslander 1925-9-25 1 San Mateo Pescadero Creek Santa Cruz Quad., Pescadero Creek 152 Comment
  CDA19875  Euphorbia oblongata D. Pendleton 2002-5-24 PDR P 120140 San Mateo San Francisco Bay Area; N side of Westride Dr, 50 m E of Bolivar Ln, Portola Valley. 0 Comment
  CAS-BOT-BC310620  Eurybia radulina A. D. E. Elmer 1903-7-1 4973 San Mateo Portola Comment
  CAS-BOT-BC459225  Euthamia occidentalis David D. Keck 1931-9-27 1272 San Mateo Dumbarton Bridge 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
  JROH5158  Festuca arundinacea John Hunter Thomas 1985-5-21 23664 San Mateo Jasper Ridge Biological Preserve, Stanford University; near bridge Comment
  JROH5473  Festuca bromoides John Hunter Thomas 1983-4-20 21536 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low-flow crossing. Comment
  CAS-BOT-BC278286  Festuca californica W. R. Dudley 1900-3-17 s.n. San Mateo Ravine north of Seal Cove Comment
  LA130809  Festuca californica David D. Keck; 1932-5-11 1499 San Mateo above Woodside on La Honda rd, E slope of Santa Cruz Mountains Comment
  CAS-BOT-BC278355  Festuca californica subsp. californica W. R. Dudley 1900-3-16 s.n. San Mateo Santa Cruz Mountain Peninsula. By road to Kings Mt near junction of trail from Tripp Store Comment
  UCD65904  Festuca californica subsp. californica Rimo Bacigalupi; L. Heckard, J. Roof 1961-4-24 7613 San Mateo Due north of true summit of San Bruno Mountain, directly below and northeast of KQED radio power station. 342 Comment
  CAS-BOT-BC278474  Festuca idahoensis L. R. A. 1902-5-11 2450 San Mateo Crystal Springs Comment
  JROH5486  Festuca microstachys A. G. Vestal 1923-5-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5500  Festuca myuros W. Lennihan 1989-3-13 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSB18778  Festuca myuros Schulte, John 1963-4-28 San Mateo Jasper Ridge; 3 miles SW of Stanford Campus; between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
Read comments
Oct 17 2011
  CAS-BOT-BC278864  Festuca occidentalis W. R. Dudley 1895-6-6 s.n. San Mateo Santa Cruz Mountain Peninsula. Pescadero Creek near Iverson's Place Comment
  JROH5291  Festuca perennis John Hunter Thomas 1988-5-3 24439 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC77694  Ficus carica John H. Thomas 1960-6-25 8795 San Mateo Redwood City, running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street 7 Comment
  JROH2975  Ficus carica John Hunter Thomas 1979-9-9 19710 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH246  Foeniculum vulgare Le Roy Abrams 1901-10-1 1025 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Comment
  POM87792  Fragaria californica L. R. Abrams 1902-5-20 2469 San Mateo Kings Mountain Comment
  SEINET3814856 Image available Fragaria californica Lewis S. Rose 1933-6-23 33251 San Mateo Kings Mountain. Comment
  SD39962  Fragaria chiloensis Edith A. Purer 1933-7-27 5386 San Mateo sand dunes, two miles south of Pigeon Point Comment
  CAS-BOT-BC437032  Fragaria chiloensis W. R. Dudley 1900-3-18 s.n. San Mateo San Pedro Valley near beach, Santa Cruz Peninsula Comment
  CAS-BOT-BC437033  Fragaria chiloensis Robert Robertson 1954-4-17 79 San Mateo North of Moss Beach (Montara) 9 Comment
  JROH3667  Fragaria vesca John Hunter Thomas 1981-4-21 20461 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3671  Fragaria vesca John Hunter Thomas 1985-4-25 23564 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC859948  Fragaria vesca Lewis S. Rose 1933-6-23 33251 San Mateo Kings Mountain Comment
  CAS-BOT-BC457518  Fragaria vesca subsp. californica James McMurphy 1906-4-30 s.n. San Mateo on top of grade between Portola and Woodside Comment
  CAS-BOT-BC457524  Fragaria vesca subsp. californica Elizabeth McClintock 1965-3-28 s.n. San Mateo along stream at April Brook, San Bruno Mountain Comment
  CAS-BOT-BC457530  Fragaria vesca subsp. californica J. H. Thomas 1949-4-14 281 San Mateo Kings Mountain Comment
  SEINET6697562  Fragaria vesca subsp. californica R. L. Oliver 1976-4-18 s.n. San Mateo La Honda. San Mateo Memorial Park. Comment
  JROH3551  Frangula californica subsp. californica John Hunter Thomas 1987-5-26 24312 San Mateo Jasper Ridge Biological Preserve, Stanford University. Causeway Comment
  JROH3570  Frangula californica subsp. tomentella D. E. Breedlove 1971-5-31 19345 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH3573  Frangula californica subsp. tomentella John Hunter Thomas 1981-2-14 20214 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC223553  Fraxinus latifolia A. D. E. Elmer 1903-7-1 4615 San Mateo San Mateo Creek Comment
  JROH4685  Fritillaria affinis John H. Thomas 1977-4-29 18573 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC130144  Fritillaria affinis W. R. Dudley 1893-3-24 s.n. San Mateo Below B. Heywood's, Pescadero Creek Comment
  UCSB18941  Fritillaria affinis Muirhead, M. 1964-4-17 San Mateo Crocker Estate, Hillsborough, California 91 Comment
  SEINET3886766  Fritillaria lanceolata Lois R. O'Brien 1963-3-9 85 San Mateo San Bruno Mountains, on Radio Road 3 miles from Estrada Way.; 0 213 Comment
  CAS-BOT-BC130378  Fritillaria liliacea Volney Rattan 1880-1-1 s.n. San Mateo South San Francisco Comment
  SD39122  Fritillaria liliacea McCallum, Marie Cummings 1933-4-12 2148 San Mateo Open hills near Skyline Boulevard, above La Honda. Comment
  UCR248734  Fumaria capreolata Peter Rubtzoff, B. Anderson 1988-4-12 9900 San Mateo San Bruno Mountain, 'saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction; NW part of the area, near old Guadalupe Road between Bog Trail and Saddle Trail junction 213 Comment
  JEPS35285  Galium murale John H. Thomas 1961-4-29 9177 San Mateo about 5 mi sw Palo Alto; Jasper Ridge Biological Experimental Area, Jasper Ridge Comment
  JROH3785  Galium murale John H. Thomas 1958-5-10 7138 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3800  Galium murale John H. Thomas 1976-4-30 18103 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  JROH3803  Galium murale John Hunter Thomas 1984-4-24 23314 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3817  Galium porrigens var. porrigens John Hunter Thomas 1986-5-17 24046 San Mateo Jasper Ridge Biological Preserve, Stanford University. Dam to Rattlesnake Rock Comment
  RSA502332  Galium trifidum var. pacificum D. W. Taylor 1987-8-20 9310 San Mateo Cascade Ranch state park area, between Whitehorse Creek and Cascade Creek. Comment
  RSA120734  Galium triflorum S. S. Tillett, I. Sternback 1956-6-24 530 San Mateo Middleton property, behind (N.) Portola Camp Store, just outside Portola State Park. 396 Comment
  JROH806  Gamochaeta ustulata John Hunter Thomas 1992-5-5 25208 San Mateo Jasper Ridge Biological Preserve, Stanford University; near picnic area and vicinity Comment
  UC483490  Gamochaeta ustulata Ira L. Wiggins 1929-7-4 3772 San Mateo 4 mi w La Honda (on hill road to Pescadero Beach) 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
  POM280064  Garrya elliptica Lyman Benson 1928-12-15 833 San Mateo Near La Honda, Santa Cruz Mt. Range. 305 Comment
  RSA681650  Garrya elliptica Annuschka Deb 1989-3-17 39 San Mateo Woodside. Comment
  CAS-BOT-BC278664  Gastridium phleoides C. F. Leitholt 1894-8-13 s.n. San Mateo Santa Cruz Mountain Peninsula. Devils Canon [Canyon], Mill Cr. Comment
  JROH5188  Gastridium phleoides John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5199  Gastridium phleoides John Hunter Thomas 1992-5-25 25348 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC278712  Gastridium ventricosum Elizabeth McClintock; Paul Reeberg 1988-8-12 s.n. San Mateo San Bruno Mountain. Along drainage ditch west of the Quarry; Crocker Industrial Park 45 Comment
  CAS-BOT-BC278713  Gastridium ventricosum Elizabeth McClintock; Paul Reeberg 1989-5-23 s.n. San Mateo San Bruno Mountain. Wax Myrtle Ravine 121 Comment
  CAS-BOT-BC59636  Gaultheria shallon Walter Knight; Irja Knight 1964-9-30 s.n. San Mateo Lower Kamchatka Point. Comment
  CAS-BOT-BC526238  Gazania Elizabeth McClintock; Paul Reeberg 1988-4-7 s.n. San Mateo San Bruno Mountains; near Picnic Area Comment
  CAS-BOT-BC219141  Genista monspessulana T. C. Fuller 1960-4-20 4086 San Mateo roadside, Page Mill Road, 0.5 mi above (SW) Moody Road, Los Altos Hills Comment
  RSA0028486  Geranium dissectum John H. Thomas 1954-4-3 3825 San Mateo San Gregorio Creek drainage, 1.2 miles inland from San Gregorio. 61 Comment
  JROH3160  Gilia achilleifolia subsp. multicaulis John Hunter Thomas 1992-4-23 25148 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  SEINET10464411  Githopsis diffusa subsp. robusta Barry 1937-5-15 BARRY s.n. San Mateo Comment
  POM284863  Githopsis specularioides Lyman Benson 1930-4-17 2082 San Mateo Stanford University, foothills. Upper Sonoran. 122 Comment
  CAS-BOT-BC303680  Glebionis coronaria J. H. Thomas 1961-5-7 9321 San Mateo San Bruno Mt. At W end of mountain 243 Comment
  SEINET8687951 Image available Glebionis segetum K. Thorne, J. Chandler 1986-7-25 4941 San Mateo Half Moon Bay, 2 miles south of Moss Beach at Dune Beach Comment
  JROH2027  Glycyrrhiza lepidota Toni Corelli 2006-8-9 317 San Mateo Jasper Ridge Biological Preserve, Stanford University; top of slope at beginning of Trail 12, above smaller quarried area 106 Comment
  RSA218022  Gnaphalium californicum Walter Knight, I. Knight 1964-4-13 711 San Mateo Power Line Ridge Comment
  CAS-BOT-BC344857  Gnaphalium palustre Peter Rubtzoff 1975-10-11 8423 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. Comment
  RSA195655  Gnaphalium ramosissimum John H. Thomas 1958-8-1 7376 San Mateo Just N of mouth of San Gregorio Creek 30 Comment
  UCR254881  Gnaphalium ramosissimum Peter Rubtzoff 1978-9-16 9272 San Mateo San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 213 Comment
  SD12565  Grindelia arenicola Edith A. Purer 1933-7-27 5369 San Mateo 2 miles south of Pigeon Point Comment
  CAS-BOT-BC304508  Grindelia hirsutula W. R. Dudley 1894-1-28 s.n. San Mateo Santa Cruz Peninsula. Redwood Creek Comment
  CAS-BOT-BC304540  Grindelia hirsutula Alice Eastwood 1912-6-10 322 San Mateo Crystal Springs Comment
  JEPS121472  Grindelia hirsutula Adam C. Schneider with Alison Colwell 2013-6-23 291 San Mateo Pacifica State Beach, west of CA State Highway 1. Comment
  JEPS29411  Grindelia hirsutula L. R. Heckard 1961-7-16 1258 San Mateo slope to the ne transmitting station KQED (near summit of San Bruno Mt.); San Bruno Mt. 335 Comment
  SEINET3146830  Grindelia hirsutula L. S. Rose 1938-8-18 38229 San Mateo Brisbane 2 Comment
  SJSU1660  Grindelia hirsutula R. E. Bousquet 1955-5-14 40 San Mateo E side Crystal Springs Reseroir Comment
  UC1118555  Grindelia hirsutula G. E. Sindel 1935-7-25 309 San Mateo 0.25 mi n of Pescadero Creek (near mouth) Santa Cruz Quadrangle 6 Comment
  JROH827  Grindelia hirsutula John Hunter Thomas 1988-5-3 24442 San Mateo Jasper Ridge Biological Preserve, Stanford University; powerline draw Comment
  RSA93068  Grindelia hirsutula var. hirsutula D. D. Keck 1932-5-25 1783 San Mateo Hills 2 miles W of Belmont Comment
  SD30784  Grindelia stricta var. angustifolia Edith A. Purer 1933-8-4 5414 San Mateo Baden Station Comment
  CAS-BOT-BC282868  Hainardia cylindrica A. G. Vestal 1926-5-1 s.n. San Mateo San Pedro Point Comment
  JROH441  Hedera helix Ann Lambrecht 2008-2-6 42 San Mateo Jasper Ridge Biological Preserve, Stanford University; on Trail 2 above San Francisquito Creek Comment
  CAS-BOT-BC309541  Helenium puberulum A. D. E. Elmer 1903-7-1 4968 San Mateo San Mateo Comment
  JEPS35417  Helenium puberulum L. M. Newlon 1921-7-30 254 San Mateo seashore from Salada to Mussel Comment
  POM161134  Helenium puberulum Josephine Randall 1907-7-24 s.n. San Mateo Near Crystal Springs Lake. Comment
  POM54261  Helenium puberulum A. D. E. Elmer 1903-07 4972 San Mateo Crystal Springs Lake Comment
  RSA3886  Helenium puberulum I. L. Wiggins 1929-7-4 3791 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  SJSU15964  Helenium puberulum John Rawlings, Ken Hickman 2016-5-26 1841 San Mateo Serpentine seep area up-slope from the Hwy 92 west onramp to Hwy 280 north; down-slope from San Francisco Watershed fence line 122 Comment
  UC1598595  Helenium puberulum A. D. E. Elmer Jul 1903 4968 San Mateo San Mateo Comment
  UCR141419  Helenium puberulum June Latting 1975-6-8 s.n. San Mateo Central Coast, slough across from Pescadero dump (on Bean Hollow Rd.), west of Pescadero 9 Comment
  CAS-BOT-BC309528  Helenium puberulum Philip Wheeler 1965-6-16 s.n. San Mateo San Bruno Mountain. In Colma Canyon Comment
  CAS-BOT-BC309534  Helenium puberulum W. R. Dudley 1895-9-15 s.n. San Mateo Santa Cruz Peninsula. El Corte Madera road Comment
  JROH854  Helianthella californica var. californica John Hunter Thomas 1980-5-8 19942 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH861  Helianthella californica var. californica John Hunter Thomas 1989-5-9 24722 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH863  Helianthella californica var. californica John Hunter Thomas 1991-5-9 25042 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1837  Helianthemum scoparium John H. Thomas 1969-5-28 15077 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC305922  Helminthotheca echioides Ira L. Wiggins 1979-8-26 22243 San Mateo Alley between Central and Woodland Avenues, running from Pope to Gilbert Streets, Menlo Park Comment
  CAS-BOT-BC305923  Helminthotheca echioides Ira L. Wiggins 1977-7-23 22188 San Mateo Bed of San Francispuito [Francisquito] Creek, ca 150 m upstream from Pope Street bridge, Menlo Park side of center line Comment
  CAS-BOT-BC314919  Hemizonia congesta subsp. luzulifolia John H. Thomas 1959-8-22 8078 San Mateo Jasper Ridge, about 5 miles southwest of Palo Alto 182 Comment
  CAS-BOT-BC314939  Hemizonia congesta subsp. luzulifolia John H. Thomas 1969-10-19 15480 San Mateo Near Canada College, Redwood City just off of Farm Hill Blvd. Comment
  CAS-BOT-BC314945  Hemizonia congesta subsp. luzulifolia A. D. E. Elmer 1903-5-1 4805 San Mateo Crystal Springs Lake 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
  SBBG28541  Hemizonia congesta subsp. luzulifolia L. R. Abrams 1914-7-15 5140 San Mateo Crystal Springs Comment
  SJSU8831  Hemizonia congesta subsp. luzulifolia S. Anderson 1962-5-12 San Mateo Crystal Springs Hills Comment
  UC193427  Hemizonia congesta subsp. luzulifolia H. M. Hall 1916-7-14 10232 San Mateo hills w Millbrae; Region of San Francisco Bay Comment
  CAS-BOT-BC314926  Hemizonia congesta subsp. luzulifolia W. R. Dudley 1894-4-21 s.n. San Mateo Crystal Springs Comment
  CAS-BOT-BC314933  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1908-8-20 s.n. San Mateo Near causeway between Cr. Srp. Lakes Comment
  CAS-BOT-BC314951  Hemizonia congesta subsp. luzulifolia Alice Eastwood 1919-9-1 s.n. San Mateo San Mateo Comment
  OBI16216  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-9-5 64070 San Mateo Emeral Lake, W of Redwood City 244 Comment
  POM53161  Hemizonia corymbosa subsp. corymbosa C. F. Baker 1902-5-1 686 San Mateo Crystal Springs Lake. Comment
  RSA81631  Hemizonia luzulifolia James I. McMurphy 1909-6-13 s.n. San Mateo Millbrae hills. Comment
  RSA81636  Hemizonia luzulifolia James I. McMurphy 1909-5-25 s.n. San Mateo Summit between San Mateo and Crystal Springs Lakes. Comment
  SEINET11848430  Hemizonia luzulifolia E. A. Purer 1933-1 5398 San Mateo Bayshore Highway Comment
  SEINET7883478 Image available Hemizonia luzulifolia Lewis S. Rose 1941-1 41470 San Mateo Belmont 6 Comment
  RSA81595  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1910-8-24 s.n. San Mateo Corte Madera Creek. Comment
  RSA212183  Hemizonia luzulifolia subsp. rudis L. S. Rose 1970-7-26 70078 San Mateo Hillsborough, Black Mountain, Skyline Blvd. 122 Comment
  RSA81652  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1908-8-20 s.n. San Mateo 2/3 [of the way] from causeway to entrance of canyon, Crystal Springs Lakes. Comment
  JROH886  Hesperevax sparsiflora var. sparsiflora John Hunter Thomas 1978-4-20 19084 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH900  Hesperevax sparsiflora var. sparsiflora John Hunter Thomas 1991-5-9 25044 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC310246  Hesperevax sparsiflora var. sparsiflora John H. Thomas 1974-4-11 17126 San Mateo To the SE of Canada Road and Edgewood Road. NW of Woodside 152 Comment
  CAS-BOT-BC310250  Hesperevax sparsiflora var. sparsiflora George Oberlander 1949-7-30 322 San Mateo San Francisco Watershed Reserve. On Sweeney Ridge Comment
  CAS-BOT-BC176214  Hesperolinon congestum Hester R. Davis 1920-6-1 179 San Mateo Back of Redwood City Comment
  UC1187062  Hesperolinon congestum David D. Keck 1940-5-15 5035 San Mateo e side Upper Crystal Springs Lake 100 Comment
  UC725506  Hesperolinon congestum A. A. Heller 1907-5-28 8572 San Mateo near Crystal Springs Comment
  JROH2924  Hesperolinon micranthum John H. Thomas 1967-5-31 12943 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  JROH3680  Heteromeles arbutifolia John H. Thomas 1974-5-29 17406 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC310769  Heterotheca sessiliflora subsp. echioides John H. Thomas 1961-8-27 9702 San Mateo San Bruno Mountain in northern part of county 396 Comment
  JEPS27369  Heuchera micrantha Rimo Bacigalupi with J. Roof and L. Heckard 1961-4-24 7629 San Mateo below and se of end of paved ridge-top road just e of KRON television tower and station San Bruno Mt summit (Guadalupe Valley side of); San Bruno Mt 304 Comment
  UC729863  Heuchera micrantha var. diversifolia Carl B. Wolf 1929-6-8 3747 San Mateo along head of San Francisquito Creek; Searsville Lake 91 Comment
Read comments
Jul 14 2009
  CAS-BOT-BC420890  Heuchera micrantha var. diversifolia W. R. Dudley 1894-7-30 s.n. San Mateo La Honda Road Comment
  CAS-BOT-BC420898  Heuchera micrantha var. erubescens L. S. Rose 1895-6-6 s.n. San Mateo Pescadero Creek near Iverson's Comment
  UC858020  Heuchera micrantha var. erubescens Lewis S. Rose 1939-6-16 39280 San Mateo Kings Mountain 670 Comment
  CAS-BOT-BC424380  Heuchera micrantha var. hartwegii W. R. Dudley 1893-5-27 s.n. San Mateo Redwoods near top of Kings Mountain Comment
  CHSC56591  Heuchera micrantha var. pacifica Steven Triano 1988-5-24 167 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
  SEINET191615  Heuchera micrantha var. pacifica L. S. Rose 1941-7-2 41289 San Mateo Kings Mt 610 Comment
  CAS-BOT-BC319633  Hieracium albiflorum George Oberlander 1950-5-6 997 San Mateo Sawyer Ridge, San Francisco Watershed Reserve Comment
  HSC23782  Hieracium albiflorum Mary Katherine Wicksten 1971-6-17 56 San Mateo Huddart Park; near Werder Flat, on the road to family campground Comment
  POM207955  Hierochloe occidentalis C. F. Baker 1902-1-15 247 San Mateo West side of King's Mountain Comment
  SBBG30746  Hierochloe occidentalis C. Bornstein 1994-6-7 San Mateo Gazos Crk Rd, 3.6 mi E of Hwy 1 Comment
  JROH1532  Hirschfeldia incana John H. Thomas 1964-11-15 10528 San Mateo Jasper Ridge Biological Preserve, Stanford University; above Searsville Lake Comment
  CAS-BOT-BC55439  Hirschfeldia incana Saichi Kawahara 1968-6-15 440 San Mateo Pescadero Beach, 150 yards south of mouth of Pescadero Creek, Highway 1. 4 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-BC289252  Holcus lanatus Walter Knight; Irja Knight; Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo Lower Part of Colma Canyon, San Bruno Mountain Comment
  CAS-BOT-BC289253  Holcus lanatus Philip Wheeler 1965-6-8 s.n. San Mateo Crocker Industrial Park, San Bruno Mountain Comment
  JROH5219  Holcus lanatus W. Lennihan 1989-6-27 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 12 (Mapache), low area before Trail 10 goes uphill; left side of trail coming from lake. Comment
  RSA128789  Holcus lanatus P. H. Raven 1950-6-3 2268 San Mateo Near San andreas Lake. Comment
  CAS-BOT-BC389678  Holodiscus discolor Mary Wicksten 1968-7-19 s.n. San Mateo Creek trail near Sequoia Flat Road - Memorial Park Comment
  CAS-BOT-BC150065  Holodiscus discolor var. discolor Walter Knight 1964-9-14 839 San Mateo Ridge between Peak Mt. and highway 1 Comment
  SEINET6205028  Hordeum brachyantherum L. S. Rose 1963-1 63001 San Mateo Skyline Blvd, W of San Mateo Comment
  CAS-BOT-BC284674  Hordeum brachyantherum subsp. brachyantherum Javier Penalosa 1963-3-30 2733 San Mateo San Bruno Mountain. North of Randolph Drive at Hillside Blvd. in SSF 289 Comment
  SJSU15413  Hordeum brachyantherum subsp. brachyantherum Toni Corelli 2010-5-21 671 San Mateo Pescadero State Beach and Marsh Natural Preserve. North Pond Trail 9 Comment
  CAS-BOT-BC289538  Hordeum brachyantherum subsp. californicum Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo Crocker Hills, San Bruno Mountain Comment
  JROH5225  Hordeum brachyantherum subsp. californicum John Hunter Thomas 1979-5-22 19575 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS71235  Hordeum murinum subsp. leporinum William S. Cooper 1924-11-19 35 San Mateo Ano Nuevo Point Comment
  JROH5257  Hordeum murinum subsp. leporinum John H. Thomas 1975-4-18 17783 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA254233  Hordeum murinum subsp. leporinum Robert A. Norris 1975-3-31 2293 San Mateo Near Crocker Avenue, San Bruno Mountains. Comment
  CAS-BOT-BC536148  Horkelia californica Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo Below parking lot, San Bruno Mountain Comment
  CAS-BOT-BC400964  Hypericum anagalloides Carl B. Wolf 1929-5-25 3729 San Mateo Pebble Beach so. of Pescadero Comment
  RSA784606  Hypericum androsaemum Peter Rubtzoff 1976-6-30 8704 San Mateo San Bruno Mountains:Saddle area on N side of Guadalupe Canyon Parkway west of Radio Road junction. Westernmost part of the area on a slope across fence. Comment
  JEPS117923  Hypericum canariense John Dittes, Josephine Guardino 2007-6-30 1457 San Mateo undesignated section of Punta Del Ano Nuevo Land Grant east side of Highway 1 on slope south and east of (Central Coast; Ano Nuevo State Reserve, coastal terrace ca. 2.4 air-mile SE of Pidgeon Point Lighthouse); Gazos Creek 21 Comment
  SD39737  Hypochaeris radicata Edith A. Purer 1932-7-18 4005 San Mateo Half Moon Bay Comment
  UC1069667  Hypochaeris radicata G. E. Sindel 1935-7-30 316 San Mateo 2.5 mi nnw Pescadero; Santa Cruz Quad. Comment
  UCR121563  Hypochaeris radicata George K. Helmkamp, E. A. Helmkamp 1999-6-28 4968 San Mateo Coast Range; Santa Cruz Mtns, Sky Londa; junction of Calif. Hwy 84 and Calif. Hwy 35, 5 mi south of central Redwood City 457 Comment
  CAS-BOT-BC311487  Hypochaeris radicata W. R. Dudley 1906-6-10 s.n. San Mateo Santa Cruz Mountain Peninsula. So. Cahill Ridge Comment
  UCR266160  Ilex aquifolium A. C. Sanders 2015-12-22 41886 San Mateo San Francisco Bay Region, San Bruno Mountain, Summit Loop Trail above April Brook 274 Comment
  SJSU2307  Iris douglasiana C. W. Sharsmith 1950-4-16 6636 San Mateo near Pescadero Point near Pescadero Comment
  RSA24256  Iris douglasiana Carl B. Wolf 1940-11-12 9787 San Mateo North base of San Bruno Mountain or just south of Visitation Valley 152 Comment
  RSA3090  Iris douglasiana Carl B. Wolf 1931-8-21 2332 San Mateo 0.5 mi above east base of La Honda Grade; Santa Cruz Mountains 244 Comment
  SEINET10529078  Iris douglasiana R. D. Sage 1992-1-6 Sage 13394 -1 San Mateo Collected along purisima creek rd trail in purisima creek redwoods open space preserve. 9 Km w woodside. 244 Comment
  SEINET4170688  Iris douglasiana Unknown 1950-4-16 San Mateo Summitt Ridge, San Bueno Mts. 244 Comment
  SEINET8529508 Image available Iris douglasiana Phyllis Kuehn 1967-5-7 18 San Mateo Skyline Blvd. Comment
  CAS-BOT-BC133651  Iris longipetala Elizabeth McClintock; David Schooly; Kim Marcus 1975-4-13 s.n. San Mateo Slope above Hillside Blvd., South San Francisco Comment
  CAS-BOT-BC133667  Iris longipetala Javier Penalosa 1963-2-23 2655 San Mateo San Bruno Mtn. Ravine south of Crocker Ave. 213 Comment
  IRVC9079  Iris macrosiphon P. W. Rundel 1963-6-11 1116 San Mateo San Fransisco Bay drainage area; Old La Honda Road. Santa Cruz Mountain Range 305 Comment
  POM168923  Iris missouriensis C. F. Baker 1902-3-22 348 San Mateo South San Francisco. Comment
  CAS-BOT-BC112628  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
  JEPS63785  Isolepis cernua J. Burtt Davy 1893-6-17 San Mateo Belmont Belmont (mdw back of salt marsh) Comment
  JEPS15532  Jaumea carnosa G. Thomas Robbins 1956-8-18 3738 San Mateo mouth of Pomponio Creek (at Pacific Ocean) Comment
  SD37602  Jaumea carnosa Edith A. Purer 1933-7-27 5367 San Mateo Pigeon Point Comment
  JROH2775  Juglans hindsii John H. Thomas 1980-11-18 20174 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC109971  Juncus James McMurphy 1909-10-17 s.n. San Mateo San Gregorio. Lagoon. Comment
  JROH5851  Juncus bufonius var. bufonius John Rawlings 2016-5-19 1759 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 2 about 115 meters from wooden trail marker near Preserve boundary fence east of Escobar Gate. 104 Comment
  POM259790  Juncus bufonius var. bufonius I. L. Wiggins, Roxana S. Ferris 1939-8-2 9291 San Mateo Ano Nuevo Point Comment
  POM290138  Juncus bufonius var. bufonius Lyman Benson 1930-5-26 2145 A San Mateo Stanford University. Lake Searsville. 152 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
  JROH4470  Juncus bufonius var. occidentalis John Hunter Thomas 1983-5-23 22251 A San Mateo Jasper Ridge Biological Preserve, Stanford University. Near shack side and low-flow crossing. 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
  RSA790891  Juncus lescurii Peter Rubtzoff 1976-6-30 8708 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
  JROH4481  Juncus occidentalis John Hunter Thomas 1978-4-20 19078 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4497  Juncus occidentalis John Hunter Thomas 1988-5-25 24489 San Mateo Jasper Ridge Biological Preserve, Stanford University. Road near low flow crossing. Comment
  UC14912  Juncus occidentalis Joseph Burtt Davy 1893-6-22 761 San Mateo Lake Vilarcitos Comment
  UCD164095  Juncus occidentalis Peter Rubtzoff 1978-5-18 9170 San Mateo San Bruno Mountians.'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Marshy area northwest of Fog Forest. Comment
  RSA18448  Juncus patens Carl B. Wolf 1927-6-29 559 San Mateo South of Pebble Beach near Pescadero Comment
  UC1601846  Juncus patens J. Burtt Davy 1893-6-22 760 San Mateo Lake Pilarcitos 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
  UC1601805  Juncus phaeocephalus J. Burtt Davy 1893-6-22 756 San Mateo head of Lake Pilarcitos Lake Pilarcitos Comment
  CAS-BOT-BC154127  Juncus phaeocephalus var. paniculatus Peter Rubtzoff 1979-7-26 9298 San Mateo San Bruno Mountain. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  JROH4503  Juncus phaeocephalus var. paniculatus Toni Corelli, John Rawlings 2007-9-26 0341 San Mateo Jasper Ridge Biological Preserve, Stanford University. Seasonally wet area east of Trail 10. 178 Comment
  JROH4038  Kickxia elatine Herbert Dengler 1961-9-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; S.F. Creek bed -- about midway between tiger lily site and old Zoology Cabin site -- directly below nesting sites of Kingfisher and Rough-winged Swallow Comment
  JROH4051  Kickxia spuria John Hunter Thomas 1990-7-28 24937 San Mateo Jasper Ridge Biological Preserve, Stanford University; near main JRBP gate Comment
  JROH5263  Koeleria macrantha W. Lennihan unspecified s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Serpentine, 50' east of fire road, east of moisture tubes in neutron probes. Comment
  POM347043  Koeleria macrantha Lyman Benson 1935-5-5 6535 San Mateo Lake Searsville; Santa Cruz Mt. Range 152 Comment
  RSA582055  Koeleria macrantha D. D. Keck 1932-5-6 1476 San Mateo Above Millbrae Highlands Comment
  CAS-BOT-BC273733  Koeleria pyramidata Walter Knight; Irja Knight 1964-4-25 s.n. San Mateo San Bruno Mountain. Near Nike base Comment
  JROH957  Lagophylla ramosissima John H. Thomas 1958-5-10 7173 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH965  Lagophylla ramosissima John Hunter Thomas 1983-6-29 22722 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH968  Lagophylla ramosissima John Hunter Thomas 1986-6-7 24084 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  UCD125097  Lamium amplexicaule J. D. Skoss 1948-8-22 105 San Mateo San Vicente Canyon, near Montara. Comment
  CAS-BOT-BC339061  Lasthenia californica V. F. Hesse 1964-5-26 3205 San Mateo Pigeon Point 4 Comment
  CAS-BOT-BC339057  Lasthenia californica Lewis S. Rose 1956-5-28 56081 San Mateo Skyline Blvd w. of San Mateo 182 Comment
  CAS-BOT-BC339084  Lasthenia californica W. R. Dudley No date on label s.n. San Mateo Ocean View near San Francisco Comment
  RSA8340  Lasthenia californica L. S. Rose 1933-4-30 33128 San Mateo Redwood City Comment
  JEPS17982  Lasthenia californica subsp. californica George B. Rossbach 1955-3-26 517 San Mateo n radio tower (upper n slope of mountain); San Bruno Mountain 335 Comment
  JROH980  Lasthenia californica subsp. californica John Hunter Thomas 1988-5-3 24440 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS20311  Lasthenia californica subsp. californica Lewis S. Rose 1956-5-28 56081 San Mateo Skyline Blvd. w San Mateo 182 Comment
  JEPS23589  Lasthenia californica subsp. macrantha Adele Lewis Grant 1917-5-6 939 San Mateo Pebble Beach near Pescadero 3 Comment
  JEPS9674  Lasthenia californica subsp. macrantha Adele Lewis Grant 1917-5-6 939 San Mateo Pebble Beach near Pescadero 3 Comment
  RSA116648  Lasthenia glaberrima W. R. Dudley 1906-5-22 s.n. San Mateo Coal Mine Ridge. Comment
  UC1598598  Lasthenia glabrata subsp. glabrata A. D. E. Elmer 1903-5-1 4426 San Mateo Millbrae Comment
Read comments
Sep 9 2011
  CAS-BOT-BC355542  Lasthenia glabrata var. glabrata John H. Thomas 1954-4-2 3793 San Mateo 1.5 miles east of center of Redwood City 0 Comment
  CAS-BOT-BC355543  Lasthenia glabrata var. glabrata David D. Keck 1932-4-29 1452 San Mateo Redwood City Comment
  RSA585990  Lasthenia gracilis Adree M. Desrochers 1989-4-17 447 San Mateo Near Palo Alto. Jasper Ridge, Biological Preserve of Stanford University. Comment
  RSA116657  Lasthenia macrantha subsp. macrantha H. L. Mason 1921-6-1 s.n . San Mateo Pebble Beach near Pescadero Comment
  RSA18351  Lasthenia macrantha subsp. macrantha C. B. Wolf 1927-1-29 s.n. San Mateo Pescadero Comment
  UCD133845  Lasthenia minor June McCaskill 1954-5-8 295 San Mateo Moss Beach. Comment
  CAS-BOT-BC368191  Lasthenia minor K. L. Chambers 1956-6-20 1044 San Mateo Mouth of Pescadero Creek on bluff between Hwy. 1 and the ocean; around parking area Comment
  POM19355  Lathyrus vestitus subsp. vestitus C. F. Baker 1902-5-10 801 San Mateo Kings Mountain. Comment
  SEINET11062224 Image available Lathyrus vestitus subsp. vestitus A. A. Heller 1907-4-20 454 San Mateo San Bruno Hills Comment
  CAS-BOT-BC323153  Layia chrysanthemoides David D. Keck 1932-5-6 1487 San Mateo Near Skyline Boulevard, west of Millbrae Highlands. Comment
  CAS-BOT-BC323159  Layia chrysanthemoides David D. Keck 1932-4-29 1450 San Mateo Redwood City. Comment
  RSA132690  Layia chrysanthemoides Donald A. Johansen 1933-5-27 803 San Mateo Field along Skyline Blvd. at jct of side road leading to Burlingame Comment
  UC89164  Layia chrysanthemoides K. Brandegee 1885-5-1 San Mateo Millbrae Comment
Read comments
Sep 9 2011
  CAS-BOT-BC323152  Layia chrysanthemoides David D. Keck 1932-5-6 1487 San Mateo Near Skyline Boulevard, west of Millbrae Highlands. Comment
  CAS-BOT-BC323179  Layia chrysanthemoides William R. Dudley 1893-5-17 s.n. San Mateo Near Millbrae. Comment
  POM298210  Layia chrysanthemoides D. D. Keck 1932-5-6 1488 San Mateo 4 miles west of Burlingame, on the Skyline Blvd. Comment
  POM298262  Layia chrysanthemoides D. D. Keck 1932-5-6 1487 San Mateo Near Skyline Blvd, W of Millbrae Highlands. Comment
  SEINET11811293  Layia chrysanthemoides M. T. Doutt 1931-1 413 San Mateo Skyline Blvd., W of Hillbrae Comment
  UC935680  Layia chrysanthemoides David D. Keck 1932-5-6 1488 San Mateo 4 mi w of Burlingame on Skyline Boulevard Comment
  CAS-BOT-BC321065  Layia gaillardioides Alice M. King 1917-4-24 s.n. San Mateo San Bruno Hills Comment
  CAS-BOT-BC321089  Layia gaillardioides James I. McMurphy 1909-5-25 s.n. San Mateo Fields above Pulpit Rock, San Mateo Canyon 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
  UCR256307  Layia hieracioides Peter Rubtzoff 1978-7-8 9221 San Mateo San Francisco Bay Region, San Bruno Mountains, 'saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 220 Comment
  UCR70738  Layia hieracioides David D. Keck 1932-5-11 1760 San Mateo Santa Cruz Mtns, Above Searsville Lake, on La Honda Road, E slope of mountains. 250 Comment
  CAS-BOT-BC327480  Layia hieracioides Walter Knight; Irja Knight 1965-4-25 1238 San Mateo San Bruno Mountain; Power Line Ridge. Comment
  POM298308  Layia hieracioides D. D. Keck, Wm Hiesey 1940-6-1 5166 San Mateo Skyline Blvd. opposite N end of Lake San Andreas. 137 Comment
  RSA100979  Layia hieracioides G. Oberlander 1949-9-25 368 San Mateo On Sawyer Ridge, San Francisco Watershed Reserve. Comment
  SEINET5556738  Layia hieracioides H. S. Gentry 1931-1 98 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  CAS-BOT-BC382079  Layia platyglossa A. D. E. Elmer 1903-4-1 5022 San Mateo Crystal Srpings Lake Comment
  CAS-BOT-BC382217  Layia platyglossa David D. Keck 1932-6-18 1980 San Mateo Skyline Blvd. at Langley HIll (SW of Stanford Unviersity) 600 Comment
  JROH5750  Layia platyglossa L. Nordby 1982-4-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Serpentine grassland, top of Jasper Ridge Comment
  SEINET10879172  Layia platyglossa John T. Middleton 1937-4-10 Middleton s.n. San Mateo San Mateo Co., Ca. 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
  UC202834  Lemna gibba A. D. E. Elmer July, 1903 4765 San Mateo San Pedro Comment
  CAS-BOT-BC534548  Lemna gibba W. R. Dudley 1898-1-5 s.n. San Mateo Santa Cruz Peninsula, between Pescadero and Swanton Comment
  JROH4537  Lemna minor John Hunter Thomas 1981-6-4 20670 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low flow crossing of San Francisquito Creek Comment
  RSA135760  Leontodon leysseri John H. Thomas 1956-7-2 6040 San Mateo Along Graham Hill Road, 1.9 miles from Felton RR Station. 183 Comment
  CAS-BOT-BC221530  Lepechinia calycina David D. Keck 1932-5-25 1779 San Mateo Hills two miles west of Belmont Comment
  JROH2792  Lepechinia calycina John H. Thomas 1973-5-5 16769 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC89133  Lepidium didymum Ira L. Wiggins 1949-7-2 12198 San Mateo Pescadero Beach. Comment
  JROH1505  Lepidium didymum Toni Corelli 2004-5-19 275 San Mateo Jasper Ridge Biological Preserve, Stanford University. Road H, West stream bank along fence at Bear Creek crossing 82 Comment
  RSA176593  Lepidium didymum John H. Thomas 1961-8-27 9686 San Mateo Colma; open sandy field near intersection of El Camino Real and F Street 46 Comment
  CAS-BOT-BC89219  Lepidium draba J. H. Thomas 1956-4-27 4920 San Mateo Along Bayshore Highway, east of San Carlos. Comment
  CAS-BOT-BC89706  Lepidium latifolium John Thomas Howell 1978-7-18 53189 San Mateo At Airport Sheraton, Airport Boulevard, Burlingame. Comment
  JROH1538  Lepidium nitidum E. A. McGregor 1907-2-10 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1551  Lepidium nitidum John Hunter Thomas 1983-2-21 21283 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC12751  Lepidium oxycarpum Le Roy Abrams 1902-5-16 2277 San Mateo Cooley's Landing. Comment
  CAS-BOT-BC12753  Lepidium oxycarpum David D. Keck 1932-3-24 1401 San Mateo Redwood City. At border of San Francisco Bay. Comment
  JROH1556  Lepidium pinnatifidum Herbert Dengler 1972-9-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; edge of S.F. Cr. by old bridge site -- where entrance opposite Whiskey Hill leads some 1000' to S.F. Cr. crossing Comment
  JROH5274  Leptochloa fusca subsp. uninervia W. Lennihan 1980-11-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Delta in Searsville Lake (formed by Corte Madera Creek). Comment
  CAS-BOT-BC226608  Leptosiphon ambiguus Arthur Spiegler 1952-4-26 27 San Mateo 4 miles from Woodside on Canada Road to Skyline Boulevard Comment
  RSA10321  Leptosiphon androsaceus H. A. Barker 1926-4-25 547 San Mateo Kings Mt. Comment
  SD27819  Leptosiphon androsaceus Carl B. Wolf 1929-5-25 3731 San Mateo Pebble Beach, south of Pescadero. Comment
  UC106675  Leptosiphon croceus Katharine Brandegee 1905-6-19 San Mateo Moss Beach (Wienke's) Moss Beach Comment
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Jun 26 2010
  CAS-BOT-BC226726  Leptosiphon latisectus W. R. Dudley 1901-5-11 s.n. San Mateo Santa Cruz Peninsula. Land due west of Lake Merced Comment
  JROH3191  Leptosiphon parviflorus John Hunter Thomas 1981-4-23 20479 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3187  Leptosiphon parviflorus Daniel Cohen 1953-4-11 26 San Mateo Jasper Ridge Biological Preserve, Stanford University; near top of Jasper Ridge Comment
  JROH3196  Leptosiphon pygmaeus subsp. continentalis Toni Corelli 2005-6-1 291 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 11 144 Comment
  CHSC1270  Leptosiphon rosaceus H. Pearl 1930-5-1 San Mateo Moss Beach. Comment
  RSA285921  Leptospermum laevigatum T. C. Fuller 1969-5-15 18476 San Mateo Hillslope opposite the welfare farm, Hwy 92 to San Mateo, E limits of half Moon Bay. Comment
  OBI15796  Lessingia arachnoidea Lewis S. Rose 1964-9-9 64075 San Mateo Crystal Srpings Lakes; W of San Mateo 244 Comment
  POM263773  Lessingia arachnoidea L. S. Rose 1941-9-6 41434 San Mateo San Mateo Canyon 90 Comment
  SEINET3071639 Image available Lessingia arachnoidea C. F. Baker 1902-9-2 1548 San Mateo Crystal Spring Lake. Comment
  SJSU15430  Lessingia germanorum Toni Corelli 2011-9-14 720 c San Mateo Northeast of Hillside Park, above houses 107 Comment
  JROH1003  Lessingia glandulifera var. glandulifera C. F. Leitholt 1893-7-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Comment
  CAS-BOT-BC324182  Lessingia hololeuca Lewis S. Rose 1964-9-5 64072 San Mateo Emerald Lake, W of Redwood City 152 Comment
  CAS-BOT-BC324183  Lessingia hololeuca LeRoy Abrams 1902-9-21 2987 San Mateo Crystal Springs Comment
  SEINET10958233 Image available Lessingia hololeuca Charles F. Baker 1902-10-20 Baker 1834 San Mateo Small colonies on grassy slopes. Comment
  SEINET10617599 Image available Lessingia hololeuca var. arachnoidea Charles F. Baker 1902-9-2 Baker 1548 San Mateo Crystal Springs Lake. Large colonies along roadsides. Comment
  JROH1037  Leucanthemum maximum Toni Corelli 2009-7-22 353 San Mateo Jasper Ridge Biological Preserve, Stanford University. San Francisquito Creek bed below Dennis Martin marker 71 Comment
  CAS-BOT-BC342091  Leucanthemum vulgare Elizabeth McClintock; Paul Reeberg 1987-6-12 s.n. San Mateo San Bruno Mountains. Along road to Camp Silverspot Comment
  CAS-BOT-BC273562  Leymus californicus Dr. Kellogg No date on label s.n. San Mateo Unspecified Comment
  CAS-BOT-BC273563  Leymus californicus A. D. E. Elmer 1903-6-1 4700 San Mateo San Mateo, (toward Crystal Springs Lake) Comment
  UCD61319  Leymus californicus G. L. Stebbins Jr. 1941-4-26 3089 San Mateo 1 mile Northeast of La Honda, along San Gregorio Creek. Comment
  UCD64549  Leymus condensatus David L. Morgan 1955-7-29 San Mateo Lower San Mateo County: 1 mi. N of Santa Cruz county line, State Hwy 1. 22 Comment
  UCD64593  Leymus mollis David L. Hanson 1976-3-23 San Mateo Half Moon Bay. Comment
  CAS-BOT-BC272187  Leymus triticoides Phillip C. Wheeler 1965-8-14 s.n. San Mateo Brisbane Lagoon, San Bruno Mountain Comment
  JEPS71202  Leymus triticoides William S. Cooper 1925-5-28 7 San Mateo Salada Comment
  UC37061  Leymus triticoides unknown San Mateo San Mateo Comment
  POM132683  Ligusticum apiifolium A. D. E. Elmer 1903-06 4803 San Mateo San Mateo Comment
  CAS-BOT-BC451669  Lilaea scilloides K. Hoppaugh 1929-5-8 164 San Mateo Portola Road near Palo Alto Comment
  RSA10411  Lilaea scilloides Carl B. Wolf 1927-6-15 2163 San Mateo Along Skyline Drive, 8 mi. S of San Francisco. Comment
  CAS-BOT-BC130795  Lilium pardalinum W. S. Atkinson 1901-7-6 s.n. San Mateo Pescadero Creek near Harrison P.O. 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
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Apr 7 2021
  UC1740209  Limnanthes macounii Rudolf Schmid 2000-2-24 2000 -2 San Mateo opposite Half Moon Bay Airport (along E side of Hwy 1) 10 Comment
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Aug 5 2007
  UCD169374  Limnanthes macounii T. W. Henrich 2004-4-21 s.n. San Mateo Moss Beach. Adjacent to Hwy 1 and immediately east of Half Moon Bay Airport, on Cabrillo Ranch property. Comment
  RSA409968  Limonium californicum L. S. Rose 1942-8-11 42225 San Mateo Brisbane. 1 Comment
  CAS-BOT-BC258032  Limosella Peter Rubtzoff 1965-10-19 5661 San Mateo Pilarcitos Lake. Comment
  POM259951  Limosella acaulis I. L. Wiggins, Roxana S. Ferris 1939-8-2 9294 San Mateo Ano Nuevo Point Comment
  UC23367  Linanthus androsaceus J. Burtt Davy 1895-4-20 1072 San Mateo Crystal Springs Lake Comment
  UC202814  Linanthus androsaceus A. D. E. Elmer Apr 1903 4746 San Mateo Comment
  SEINET8729325 Image available Linanthus androsaceus subsp. croceus Herbert L. Mason 1935-1 8315 San Mateo Pebble Beach, Pescadero Comment
  CDA982  Linanthus liniflorus D. G. Kelch 2002-5-6 2 .011 San Mateo Crystal Springs Reservoir. Comment
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Oct 24 2021
  SEINET3696192 Image available Linanthus liniflorus Lewis S. Rose 1932-5-3 32217 San Mateo San Bruno. 183 Comment
  JEPS113041  Linanthus liniflorus subsp. pharnaceoides Dean W. Taylor 1994-5-10 14263 San Mateo Edgewood Park; ca. 300 meters SE of junction of Edgewood Road and Canada Road, ca. 200 m W of trail parallel to and on west side of Highway 280 137 Comment
  UCSC005674  Linanthus parviflorus Randall Morgan 1994-4-2 2172 San Mateo Jasper Ridge Comment
  JROH5967  Linaria bipartita John Hunter Thomas 1982-5-25 20964 San Mateo Jasper Ridge Biological Preserve; roadside [Sand Hill Rd.] Comment
  CDA6307  Linaria purpurea T. C. Fuller 1968-10-3 17659 San Mateo Christie s Crescent Nursery, Half Moon Bay. 0 Comment
  RSA187534  Linum usitatissimum John H. Thomas 1953-7-25 3517 B San Mateo Near San Mateo/Santa Cruz Co. border along Whitehouse Road. Comment
  UC198505  Linum usitatissimum Katharine Brandegee 1917-8-29 San Mateo Moss Beach Comment
  JEPS85571  Lithocarpus densiflorus Craig Dremann 1986-8-30 320 San Mateo La Honda; along Calif Highway 84 (La Honda-Woodside Rd) at mile marker 8.37 at intersection of Pescadero Rd Comment
  POM166732  Lithocarpus densiflorus var. densiflorus C. F. Baker 1902-10-1 1759 San Mateo Summit of Coast Range. Comment
  JROH3889  Lithophragma affine John H. Thomas 1979-4-12 19449 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC430775  Lithophragma affine W. R. Dudley 1894-4-6 s.n. San Mateo Road to Black Mt. along Corte de Madera Cr. Comment
  UC402461  Lithophragma heterophyllum Milo S. Baker May 1904 San Mateo near Burlingame; near Burlingame Comment
  JROH3901  Lithophragma heterophyllum Brenda Butner and Toni Corelli 1990-3-30 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 3 Comment
  CAS-BOT-BC342309  Logfia filaginoides Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mountain. South Power Line Ridge Comment
  JROH744  Logfia gallica John Hunter Thomas 1988-5-3 24436 San Mateo Jasper Ridge Biological Preserve, Stanford University; picnic area Comment
  UC1132203  Lolium multiflorum H. S. Yates 1935-5-8 5224 San Mateo 1 mi n Bolsa Pt.; Santa Cruz Quad. Comment
  CAS-BOT-BC283227  Lolium multiflorum Henry E. Wieser 1932-6-1 s.n. San Mateo W of Skyline Blvd betweeen intersection of Hillside and Easton Drives, Burlingame Comment
  CAS-BOT-BC269124  Lolium perenne W. R. Dudley No date on label s.n. San Mateo Santa Cruz Mountain Peninsula. Top of higher hills from Jersey Farm to Sneath's Ranch Comment
  RSA184982  Lolium perenne subsp. multiflorum L. S. Rose 1966-5-2 66036 San Mateo Emerald Lake, west of Redwood City. 91 Comment
  RSA786667  Lolium perenne subsp. multiflorum Peter Rubtzoff 1976-6-13 8629 San Mateo San Bruno Mountains: 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction. In area of uppermost part of East Fork Colma Creek, at the NW corner of Fog Forest. Comment
  JEPS127851  Lomatium caruifolium var. caruifolium Adam C. Schneider with C. Matt Guilliams 2013-3-9 36 San Mateo Comment
  UC21278  Lomatium caruifolium var. caruifolium J. Burtt Davy 1895-4-20 1031 San Mateo Lake San Andreas Comment
  SEINET13944393 Image available Lomatium dasycarpum Lewis S. Rose 1950-1 50137 San Mateo Emerald Lake region. Hills W of Redwood City. Alt ca 800 ft 244 Comment
  SEINET13944401 Image available Lomatium dasycarpum C. F. Baker 1902-1 461 San Mateo Crystal Springs Lake. Comment
  JROH261  Lomatium dasycarpum subsp. dasycarpum John H. Thomas 1967-6-1 12969 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH263  Lomatium dasycarpum subsp. dasycarpum John H. Thomas 1973-4-20 16582 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH254  Lomatium dasycarpum subsp. dasycarpum Anne Hornby 1952-5-10 111 San Mateo Jasper Ridge Biological Preserve, Stanford University; in hills above Searsville Lake Comment
  SJSU1078  Lomatium macrocarpum C. W. Sharsmith 1951-4-6 5821 San Mateo Woodside Hills c. 3 mi W of Woodside 182 Comment
  CAS-BOT-BC240588  Lonicera hispidula W. R. Dudley 1896-9-15 s.n. San Mateo Santa Cruz Mountain Peninsula. El Corte Madera Creek, Santa Cruz Mts. Comment
  CAS-BOT-BC240596  Lonicera hispidula A. D. E. Elmer 1903-7-1 4596 San Mateo Lake San Andreas Comment
  CAS-BOT-BC240605  Lonicera hispidula Josephine D. Randall 1907-6-8 19 San Mateo Santa Cruz Peninsula. Portola Valley Comment
  JROH1653  Lonicera hispidula John H. Thomas 1971-5-30 15967 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET12266796  Lonicera hispidula J. I. Murphy 1906-1 37 San Mateo Kings Mt. Santa Cruz Mts., Santa Cruz Peninsula Comment
  JEPS85576  Lonicera hispidula var. vacillans Craig Dremann 1986-8-30 323 San Mateo e La Honda (along Cal. Highway 84 (Woodside-La Honda Road), mile marker 6.68, 150 ft w between road and creek) Comment
  SEINET12266824  Lonicera involucrata Unknown 1932-1 8994 San Mateo between Sky Line Drive & Half Moon Bay Comment
  CAS-BOT-BC241540  Lonicera involucrata var. ledebourii David D. Keck 1938-5-30 4726 San Mateo San Gregorio 30 Comment
  CAS-BOT-BC243962  Lonicera involucrata var. ledebourii John H. Thomas 1964-6-19 10429 San Mateo 0.9 miles south of Tunitas Creek near Coast Highway 60 Comment
  CAS-BOT-BC243963  Lonicera involucrata var. ledebourii D. E. Breedlove 1974-5-13 36219 San Mateo San Pedro Valley Park, Pacific 152 Comment
  CAS-BOT-BC243970  Lonicera involucrata var. ledebourii David D. Keck 1938-5-30 4726 San Mateo San Gregorio 30 Comment
  POM46728  Lonicera involucrata var. ledebourii A. D. E. Elmer 1903-06 4272 San Mateo Lake San Andreas. Comment
  RSA181234  Lonicera involucrata var. ledebourii John H. Thomas 1964-6-19 10429 San Mateo 0.9 miles S of Tunitas Creek near Coast Hwy, 61 Comment
  RSA788374  Lonicera involucrata var. ledebourii Peter Rubtzoff 1980-12-11 9635 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. East Fork Colma Creek Canyon area. Comment
  SBBG112484  Lonicera involucrata var. ledebourii C. Bornstein 1994-6-7 San Mateo Gazos Crk Rd, 2.3 mi E of Hwy 1 38 Comment
  JEPS34466  Lotus benthamii L. R. Heckard, and R. Bacigalupi 1963-7-2 1335 San Mateo trail to Montara Peak (nw slope), above old county road Montara Peak 335 Comment
  JEPS91401  Lotus benthamii Dean W. Taylor 1989-8-1 10412 San Mateo Montara Mountain, saddle between North Peak and Montara Knob 518 Comment
  UCR121554  Lotus corniculatus George K. Helmkamp, E. A. Helmkamp 1999-6-28 4990 San Mateo Pescadero Creek Watershed, Bean Hollow Road 0.3 mi south of Pescadero Road (SW of Pescadero). Slopes above Butano Creek 61 Comment
  RSA18332  Lotus formosissimus Carl B. Wolf 1929-5-10 3703 San Mateo Coast at Pigeon Pt. South of Pescadero. Comment
  UC81142  Lotus formosissimus Katharine Brandegee Jun 1905 San Mateo Moss Beach near Halfmoon Bay; Moss Beach Comment
  UC80760  Lotus stipularis var. stipularis C. F. Baker 1902-5-10 805 San Mateo Kings Mt. Comment
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May 17 2013
  SEINET12151372  Lotus subpinnatus Unknown 1932-1 9137 San Mateo Sky Line Drive Comment
  POM276640  Lotus wrangelianus Lyman Benson 1935-5-5 6538 San Mateo Lake Searsville. 152 Comment
  POM276636  Lotus wrangelianus Lyman Benson 1931-3-15 2648 San Mateo Redwood City 152 Comment
  CAS-BOT-BC60245  Lunaria annua Emma Millett 1917-4-4 s.n. San Mateo Kings Mountain. Comment
  SBBG33485  Lupinus affinis A. D. E. Elmer -Apr-1903 5021 San Mateo Portola Comment
  SEINET5766860 Image available Lupinus affinis Dunn, Brown 1946-1 2542 San Mateo 3.7 miles northeast of La Honda on the southeast side of the Hwy; Sann Francisco Peninsula on Hwy from Woodside to la Honda Comment
  UC15757  Lupinus affinis Alice Eastwood April 1896 San Mateo near Crystal Springs; near Crystal Springs Comment
  SD116302  Lupinus affinis David B. Dunn, Brown 1946-5-15 2542 San Mateo Open lush meadow in the hilltops of the San Francisco Peninsula, 3.7 miles NE of La Honda on the SE side of the highway from Woodside to La Honda Comment
  SEINET10488359  Lupinus affinis Charles F. Baker 1902-4-6 Baker 473 San Mateo Crystal springs lake. Colonies frequent along banks and grassy slopes, Especially near borders of thickets Comment
  UCD105911  Lupinus albifrons Leslie Fenster 1964-3-22 11 San Mateo 3 miles up (south) Polhemus Road, Cahill Ridge. 152 Comment
  SEINET10488443  Lupinus albifrons Charles F. Baker 1902-5-4 Baker UMO 71685 San Mateo Crystal spring. Open sides of gulches, 9-18 dm high Comment
  CAS-BOT-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-BC195807  Lupinus albifrons var. albifrons Charles Piper Smith 1948-6-21 48457 San Mateo Highway 5, junction Sharps Park Road Comment
  CAS-BOT-BC196114  Lupinus albifrons var. collinus R. Hoffough 1929-5-18 611 San Mateo Crystal Springs Lake - Skyline Blvd near San Francisco Comment
  CAS-BOT-BC196120  Lupinus albifrons var. collinus Charles Piper Smith 1908-5-31 1437 San Mateo South San Francisco, in town Comment
  RSA750173  Lupinus albifrons var. collinus Robert F. Thorne 1963-6-9 32209 San Mateo On top of San Bruno Mountain. 335 Comment
  UCD106267  Lupinus albifrons var. collinus A. A. Heller 1907-4-25 8462 San Mateo San Bruno Hills. Comment
  SEINET10484535  Lupinus albifrons var. collinus Walter Knight, Irja Knight 1965-3-15 Knight 1225 San Mateo Low growing on open slopes. Colma canyon. San bruno mountains Comment
  SEINET10970193  Lupinus albifrons var. collinus J. C. Downey 1955-4-2 Downey 212 San Mateo Near the twin peaks 213 Comment
  CAS-BOT-BC27394  Lupinus apricus C. P. Smith 1908-3-30 1374 San Mateo Stanford University, Cedro Cottage Field. Comment
  UC1129348  Lupinus arboreus G. E. Sindel 1935-8-15 333 San Mateo 1/2 mi n Palomares; Sata Cruz Quadrangle Comment
  UC1354416  Lupinus arboreus Delzie Demaree 1933-6-12 10377 San Mateo South San Francisco Post Office, Baden Station Baden Station; South San Francisco Post Office, Baden Station Comment
  UC1543208  Lupinus arboreus Donald G. Nelson 1938-7-28 580 San Mateo Moss Beach Comment
  POM11077  Lupinus arboreus var. arboreus A. D. E. Elmer 1903-05 4414 San Mateo Colma. Comment
  JROH2115  Lupinus bicolor John H. Thomas 1975-4-19 17794 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC2049881  Lupinus bicolor H. W. Johansen 1955-4-9 29 San Mateo Jones Gulch, 5 miles S of La Honda. Comment
  UC725853  Lupinus bicolor A. A. Heller 1907-4-20 8451 San Mateo near Lake Merced; near Lake Merced Comment
  UC764739  Lupinus bicolor R. F. Hoover 1939-4-21 4054 San Mateo 2 mi s Colma; s of Colma Comment
  UC1048668  Lupinus bicolor Lewis S. Rose 1942-3-30 42006 San Mateo Mills Field 1 Comment
  CAS-BOT-BC215066  Lupinus chamissonis Charles Piper Smith 1948-4-20 48107 San Mateo Highway 1, Edgemar sand dunes Comment
  SEINET12154485  Lupinus chamissonis M. T. Doutt 1931-1 238 San Mateo S of San Francisco Comment
  UC703121  Lupinus formosus Alice Eastwood, John Thomas Howell 1941-7-4 9688 San Mateo Crystal Spring Lakes Comment
  CAS-BOT-BC8329  Lupinus lasiotropis Charles Fuller Baker 470 San Mateo Crystal Springs Lake Comment
  SEINET4853650  Lupinus lasiotropis Carl F. Baker Not on sheet 470 San Mateo Crystal Springs Lake. Comment
  SEINET10961856 Image available Lupinus latifolius Charles F. Baker Baker 470 San Mateo Crystal Springs Lake. Comment
  POM276515  Lupinus latifolius subsp. latifolius Lyman D. Benson 1930-5-3 2092 San Mateo Above Woodside, La Honda Grade; Mt. range: Santa Cruz. 244 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
  UC127015  Lupinus latifolius var. latifolius J. Burtt Davy 1895-4-20 1085 San Mateo San Mateo Creek Comment
  SD27830  Lupinus menziesii Carl B. Wolf 1929-5-17 3712 San Mateo Alpine Road east of Skyline Blvd. 305 Comment
  HSC103498  Lupinus microcarpus var. microcarpus Thomas W. Nelson, Jane Nelson 1981-4-28 6460 San Mateo Along roadside, ~100 yds, E of junction of State Route 280 & 92. Comment
  CHSC57381  Lupinus nanus Sandy Trimble 1987-4-13 12 San Mateo On s slope of Hwy 84, 8.1 mi w of Hwy 1 and 7.2 mi e of Hwy 35. 335 Comment
  JROH2129  Lupinus nanus John H. Thomas 1975-4-19 17801 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SBBG66998  Lupinus nanus L. R. Abrams 1914-4-20 5128 San Mateo confluence of Los Troncos and San Francisquito crks Comment
  SEINET11072117 Image available Lupinus nanus subsp. latifolius Carl Mankinen 1967-4-5 San Mateo State Highway 1, 1.8 miles northwest of Gazos Creek Comment
  SEINET10486130  Lupinus polycarpus David B. Dunn, Howard Brown 1946-5-15 Dunn 2591 San Mateo Collected in vacant lots on both sides of sloat blvd. Just west of riverton Drive in san francisco. Comment
  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
  SEINET11072303 Image available Lupinus polycarpus Lewis S. Rose 1942-3-30 42006 San Mateo Mills Fields 2 Comment
  UCD23305  Lupinus polyphyllus Alan T. Whittemore 1976-5-29 107 San Mateo Crystal Springs Canyon, about 1/2 mile below (East of) dam. 39 Comment
  HSC34853  Lupinus succulentus Thomas W. Nelson San Mateo Beside Hwy. 280 S of San Francisco Comment
  POM10801  Lupinus variicolor E. B. Copeland 1903-6-3 3302 San Mateo Montara Point Comment
  POM226366  Lupinus variicolor Adele Lewis Grant 1917-5-6 938 San Mateo Pebble Beach near Pescadero. Comment
  SEINET10936779  Lupinus variicolor Smith 1948-4-23 Smith 48138 San Mateo Hwy 1, montara, government property. Comment
  UCD109674  Lupinus variicolor Kathyrn L. Koch 1965-5-1 47 San Mateo just south of State Highway 1 junction, across from Playa de las Frijoles State Park. Comment
  SEINET13198377 Image available Lupinus versicolor A. G. Vestal 1937-6-15 s.n. San Mateo Comment
  SJSU10398  Luzula comosa E. C. Garbett 1961-4-8 San Mateo Searsville Lake Park at head of San Francisquito Creek Comment
  JROH5679  Luzula comosa var. comosa John Rawlings 2015-3-3 1315 San Mateo Jasper Ridge Biological Preserve, Stanford University; small opening off trail 8 in oak woodland. 126 Comment
  CAS-BOT-BC441268  Luzula macrantha Ira L. Wiggins 1925-4-1 1684 San Mateo First bridge across small creek on Kings Mountain Road above Woodside Comment
  CAS-BOT-BC210034  Luzula subsessilis Peter Rubtzoff 1978-4-2 9151 San Mateo San Bruno Mtns. Saddle area on N side of Guadalupe Canyon Parkway west of Radio Road junction, on E rim of East Fork Colma Creek Canyon 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
  UCD164090  Luzula subsessilis Peter Rubtzoff 1978-4-2 9151 San Mateo San Bruno Mtns. 'Saddle' area on N side of Guadalupe Canyon Parkway west of Radio Road junction, on E rim of East Fork Colma Creek Canyon. Comment
  JROH4165  Lycopersicon esculentum John Hunter Thomas 1981-10-25 20767 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3362  Lysimachia arvensis H. A. Dutton 1900-2-27 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA0015076  Lythrum californicum L. R. Abrams 1901-09 2219 San Mateo Menlo Park, borders of Bay. Comment
  SD39672  Lythrum hyssopifolia Edith A. Purer 1933-7-27 5366 San Mateo 2.0 miles south of Pigeon Point. Comment
  SFV2436  Lythrum hyssopifolia J. Turner, F. M. Ball 1962-7-7 s. n. San Mateo Highway 1 about 10 miles north of Santa Cruz County line. Drainage ditch beside road. 30 Comment
  CAS-BOT-BC343916  Madia elegans Rosenbaum 1916-9-30 s.n. San Mateo Near San Mateo Co. Almshouse Comment
  HSC23936  Madia elegans Mary Katherine Wicksten 1971-7-22 185 San Mateo Huddart Park, by park entrance Comment
  POM177455  Madia elegans subsp. densifolia L. R. Abrams, I. L. Wiggins 1930-11-13 173 -A San Mateo Hillside above Crystal Springs Lake Comment
  CAS-BOT-BC344498  Madia exigua John H. Thomas 1971-5-2 15867 San Mateo Near intersection of Canada Road and Edgewater Road, about three miles westward from Redwood City 152 Comment
  JROH1044  Madia exigua John H. Thomas 1969-5-28 15090 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1111618  Madia exigua Lewis S. Rose 1956-5-28 56083 San Mateo w of Redwood City (hills); Emerald Lake 182 Comment
  CAS-BOT-BC343329  Madia gracilis Elizabeth McClintock 1965-6-13 s.n. San Mateo San Bruno Mountain. Lower slope on south side above Olivet Cemetery Comment
  CAS-BOT-BC343336  Madia gracilis David D. Keck 1932-6-1 1788 San Mateo Above Woodside on the La Honda road, east slope of the Santa Cruz Mtns. 305 Comment
  RSA11165  Madia gracilis C. B. Wolf 1927-7-14 595 San Mateo Summit of Kings Mountain road at junction with Skyline Blvd. 610 Comment
  CAS-BOT-BC345109  Madia sativa Louis F. Pitelka 1974-5-28 s.n. San Mateo Bolsa Point, about 1 mi N of Pigeon Point and about 39 mi S of San Francisco Comment
  CAS-BOT-BC345115  Madia sativa David D. Keck 1933-11-2 2628 San Mateo 3.5 mi. S.W. of Pescadero, within 100 m. of ocean Comment
  CAS-BOT-BC345127  Madia sativa D. E. Breedlove 1973-9-26 35554 San Mateo Pescadero Creek County Park 365 Comment
  CAS-BOT-BC345142  Madia sativa J. H. Thomas 1959-8-16 8064 San Mateo About 2 miles SW of Pescadero 60 Comment
  HSC24008  Madia sativa Mary Katherine Wicksten 1971-6-15 21 San Mateo Huddart Park near horse ring 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
  LA83388  Madia sativa O. H. Kappler; 1947-5-23 San Mateo Pescadero Beach Comment
  CAS-BOT-BC345143  Madia sativa David D. Keck 1930-10-15 988 San Mateo South-west of Woodside 450 Comment
  CAS-BOT-BC512104  Maianthemum racemosum subsp. amplexicaule Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo Romanzoffia ravine; San Bruno Mountain Comment
  CAS-BOT-BC512111  Maianthemum racemosum subsp. amplexicaule John H. Thomas 1967-5-7 12835 San Mateo Near intersection of Bean Hollow Rd. and Pescadero Rd., about 1/2 mile westward from Pescadero. 91 Comment
  SEINET12055170  Maianthemum racemosum subsp. amplexicaule R. S. Croker 1929-1 s.n. San Mateo Summit Jasper Ridge Comment
  CAS-BOT-BC514166  Maianthemum stellatum George Oberlander 1950-3-18 513 San Mateo Pilarcites Canyon Comment
  POM193594  Maianthemum stellatum W. R. Dudley 1893-2-19 s.n. San Mateo Santa Cruz peninsula: Road from La Honda to Alpine Comment
  SEINET12044094  Maianthemum stellatum W. R. Dudley 1902-1 s.n. San Mateo by Alpine Road on Corte de Madera Creek, Santa Cruz Peninsula Comment
  JROH2959  Malacothamnus fasciculatus John H. Thomas 1969-5-28 15085 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC206319  Malacothamnus fremontii J. W. Congdon 1897-7-27 s.n. San Mateo Belmont Comment
  SJSU10824  Malva arborea E. C. Garbett 1961-6-1 397 San Mateo Moss Beach Comment
  JROH1898  Marah fabacea James Newman 1951-4-21 41 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake Comment
  JROH1901  Marah fabacea John Hunter Thomas 1991-5-17 25055 San Mateo Jasper Ridge Biological Preserve, Stanford University; between dam and San Francisquito Creek near pump house Comment
  JROH5783  Matricaria discoidea John Rawlings 2016-4-26 1758 San Mateo Jasper Ridge Biological Preserve, Stanford University. Rd E near Trail 13. 105 Comment
  UC635442  Meconella californica H. L. Mason 1928-2-22 4162 San Mateo San Bruno Mtns Comment
  CAS-BOT-BC422685  Meconella californica Arthur Menzies 1972-4-9 s.n. San Mateo San Bruno Mountain. Buckeye Canyon south of Crocker Industrial Park. Comment
  JROH2154  Medicago arabica John Hunter Thomas 1990-5-8 24853 San Mateo Jasper Ridge Biological Preserve, Stanford University; low-flow crossing Comment
  JROH2177  Medicago arabica John H. Thomas 1976-10-16 18421 San Mateo Jasper Ridge Biological Preserve, Stanford University; along or near San Francisquito Creek from the low flow crossing to the vicinity of the old fireplace ruins downstream Comment
  JROH2166  Medicago polymorpha John H. Thomas 1973-3-12 16481 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC2049895  Medicago polymorpha H. W. Johansen 1958-5-18 32 San Mateo Jones Gulch, 5 miles S of La Honda Comment
  JROH2161  Medicago polymorpha John H. Thomas 1963-6-23 10174 & 10175 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Westridge end of ridge Comment
  RSA254227  Medicago polymorpha Robert A. Norris 2287 San Mateo Near Crocker Ave., San Bruno Mts. Comment
  CAS-BOT-BC269472  Melica californica L. R. A. 1902-5-4 2407 San Mateo Woodside Comment
  CAS-BOT-BC269473  Melica californica LeRoy Abrams 1901-5-1 1568 San Mateo Woodside Comment
  CAS-BOT-BC269479  Melica californica George Oberlander 1950-4-23 808 San Mateo San Francisco Watershed Reserve. Sawyer Ridge Comment
  SBBG44985  Melica californica L. R. Abrams 1902-5-4 2407 San Mateo Woodside Comment
  UCD87172  Melica californica Ogden C. Riddle 1941-4-6 74 San Mateo Near Half Moon Bay, Finney Ridge. 243 Comment
  CAS-BOT-BC264248  Melica torreyana W. R. Dudley 1899-5-1 s.n. San Mateo Road from San Andreas Rs. to Pilarcitos, Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC264256  Melica torreyana Walter Knight; Irja Knight 1965-5-12 s.n. San Mateo Southwest Canyon, San Bruno Mountain Comment
  RSA101010  Melilotus albus G. Oberlander 1949-10-8 404 San Mateo Lower Crystal Springs Lake, San Francisco Watershed Reserve. Comment
  JEPS121449  Melilotus indicus Adam C. Schneider with C. Matt Guilliams 2013-3-9 51 San Mateo Crystal Springs Reservoir Comment
  JROH2184  Melilotus indicus John H. Thomas 1970-7-5 15674 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2190  Melilotus indicus John H. Thomas 1978-5-23 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC634880  Mentha pulegium Herbert L. Mason Oct. 1923 785 San Mateo near summit of Jasper Ridge (toward the Hermits); near summit of Jasper Ridge toward the Hermits Comment
Read comments
Sep 19 2011
  RSA131298  Mentha pulegium Roxana S. Ferris 1920-9-3 2050 San Mateo 2nd Mud Lake; Coal Mine Ridge Comment
  JROH2827  Mentha suaveolens Ann Lambrecht 2007-8-15 30 San Mateo Jasper Ridge Biological Preserve, Stanford University; Corte Madera Creek Comment
  JROH5838  Mentha suaveolens Ann Lambrecht 2007-8-15 30 San Mateo Jasper Ridge Biological Preserve, Stanford University; Corte Madera Creek Comment
  POM177458  Mercurialis annua L. R. Abrams, I. L. Wiggins 1930-11-13 179 San Mateo 3 miles S of Rockaway Beach (Pedro Valley) Comment
  CAS-BOT-BC438138  Mesembryanthemum nodiflorum T. Winfield 1973-10-10 1222 San Mateo San Francisco Bay: Redwood City Comment
  JROH3906  Micranthes californica John H. Thomas 1973-3-12 16483 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC348579  Micropus californicus var. californicus W. R. Dudley 1906-6-11 s.n. San Mateo Santa Cruz Mountain Peninsula. Field E. of Kings Mt. House Comment
  JEPS40609  Micropus californicus var. californicus R. F. Hoover 1941-4-23 4909 San Mateo Redwood City Hills Comment
  JROH1119  Micropus californicus var. californicus John H. Thomas 1958-5-10 7152 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1125  Micropus californicus var. californicus John Hunter Thomas 1980-5-8 19949 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5948  Micropus californicus var. californicus John Rawlings 2016-4-20 1726 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 11 at lower Trail 9 118 Comment
  UCSB17192  Micropus californicus var. californicus Schulte, John 1963-4-26 San Mateo Jasper Ridge, 3 miles southwest of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mounatins 152 Comment
  UC218911  Microseris bigelovii A. Eastwood San Mateo San Bruno Range Comment
  OBI15616  Microseris douglasii Lewis S. Rose 1966-5-2 66037 A San Mateo Emeral Lake, W of Redwood City 91 Comment
  CAS-BOT-BC349020  Microseris douglasii subsp. douglasii LeRoy Abrams 1902-5-4 2421 San Mateo Woodside Comment
  JROH1139  Microseris douglasii subsp. douglasii John H. Thomas 1956-4-7 5615 San Mateo Jasper Ridge Biological Preserve, Stanford University; open serpentine area on top of ridge and adjacent slopes Comment
  JROH1145  Microseris douglasii subsp. douglasii John Hunter Thomas 1980-5-8 19958 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC349034  Microseris douglasii subsp. douglasii Lewis S. Rose 1956-5-28 56079 San Mateo Skyline Blvd w. of San Mateo 182 Comment
  CAS-BOT-BC349145  Microseris douglasii subsp. tenella Lewis S. Rose 1933-4-30 33129 San Mateo Redwood City Comment
  CAS-BOT-BC349139  Microseris douglasii subsp. tenella K. L. Chambers 1953-5-12 462 San Mateo 3.2 mi. n. of Woodside on road to Crystal Springs Lake Comment
  JEPS87275  Mimulus aurantiacus var. aurantiacus David M. Thompson 1992-6-3 1105 San Mateo 1.2 mi s Hwy. 35 (Skyline Blvd.) (along Hwy. 84 (La Honda Road)) 340 Comment
  JROH4073  Mimulus aurantiacus var. aurantiacus John H. Thomas 1974-5-29 17405 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD122291  Mimulus aurantiacus var. aurantiacus June McCaskill 1954-5-8 298 San Mateo Highway 5, ca. 2 miles northeast of junction with Halfmoon Bay Road. 883 Comment
  UCR75957  Mimulus aurantiacus var. aurantiacus D. M. Thompson 1992-6-3 1105 San Mateo 1.2 mi south of Hwy 35 (Skyline Blvd) along Hwy 84 (La Honda Road) 378 Comment
  UCSB11439  Mimulus aurantiacus var. aurantiacus Olson, Jim 1962-4-17 San Mateo 1 mile east of Halfmoon Bay on road to San Mateo 18 Comment
  UC306596  Mimulus cardinalis A. D. E. Elmer July, 1903 4941 San Mateo Lake San Andreas Comment
  UC26963  Mimulus grandis J. Burtt Davy Jun 21 1893-Jun 23 1893 1138 San Mateo Pilarcitos Lake and Canyon Comment
  SBBG33480  Mimulus guttatus A. D. E. Elmer -Aug-1903 4857 San Mateo Crystal Springs Lake Comment
  SEINET4678016  Mimulus guttatus K. Thorne, J. Chandler 1986-7-25 4939 San Mateo Half Moon Bay, 2 miles south of Moss Beach at Dune Beach.; 0 Comment
  JROH1701  Minuartia douglasii John H. Thomas 1971-4-10 15752 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  CAS-BOT-BC214069  Monardella villosa C. F. Baker 1903-6-30 3353 San Mateo Crystal Springs Comment
  CAS-BOT-BC214063  Monardella villosa Lewis S. Rose 1965-6-15 65080 San Mateo South of parking lot near summit, San Bruno Mountain 365 Comment
  CAS-BOT-BC214078  Monardella villosa Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo Quarry 4, San Bruno Mountain Comment
  SEINET10582385  Monardella villosa subsp. franciscana A. Graff 1993-6-14 Graff 1 San Mateo 0.2 miles down Bean Hollow Road south from its intersection with Pescadero Road, along right road cut. Windy, exposed, dry, steep, rocky cuts. Locally infrequent, with Artemisia californica, Baccharis pilularis, Mimulus aurantiacus, Eriophyllum stachaedifolium, Anaphalis margaritacea, Dudleya sp., Scrophularia californica, Eriogonum sp., grasses. Comment
  SEINET10961433  Monardella villosa subsp. franciscana A. Graff 1993-6-14 Graff 2 San Mateo 0.35 miles down Bean Hollow Road from its intersection with Pescadero Road, along right road cut. Windy, exposed, dry, steep, rocky cuts. Locally infrequent, with Artemisia californica, Baccharis pilularis, Mimulus aurantiacus, Eriophyllum stachaedifolium, Anaphalis margaritacea, Dudleya sp., Scrophularia californica, Eriogonum sp., grasses. Comment
  JROH2834  Monardella villosa subsp. villosa John H. Thomas 1961-6-7 9529 San Mateo Jasper Ridge Biological Preserve, Stanford University; just above Searsville Lake 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
  UCSC007765  Morella californica Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC508581  Muilla maritima Cynthia Steele 1948-4-18 34 San Mateo Redwood City Comment
  CDA28803  Myosotis latifolia D. G. Kelch 2009-6-9 9 .403 San Mateo Santa Cruz Mts.; Chert outcrop and adjacent mixed evergreen forest along Skyline Blvd ~1 km W of Skegg s Point. Comment
  CAS-BOT-BC166663  Myosotis latifolia Peter Rubtzoff 1977-4-16 8949 San Mateo San Bruno Mountains. Comment
  UCD119519  Myosotis latifolia Alison Blake 2003-4-14 1 San Mateo 10' East of SE Corner of Volunteer Parking Lot off of S.Dr on Filoli property, NW of Filoli S.Gate at Canada Rd. 518 Comment
  SEINET218191  Myosotis sylvatica Cynthia Taylor 1971-7-11 208 San Mateo Skyline Boulevard near La Honda Road., Santa Cruz Mountains. 445 Comment
  CAS-BOT-BC101769  Myrica californica W. R. Dudley 1894-9-22 s.n. San Mateo Preston's Ravine, Portola Valley Comment
  CAS-BOT-BC101770  Myrica californica W. R. Dudley 1893-2-18 s.n. San Mateo near La Honda Comment
  CAS-BOT-BC101778  Myrica californica D. E. Breedlove 1973-9-26 35554 San Mateo Pescadero Creek County Park 365 Comment
  RSA130858  Myrica californica R. C. Bacigalupi 1922-03 s.n. San Mateo Along coast near lagoon at Arroyo de los Frijoles. Comment
  UC1135945  Myrica californica N. K. Carlson 1935-7-5 29 San Mateo 3 mi. s. Bellvale; Santa Cruz Quad. Comment
  JROH2697  Myriophyllum aquaticum John Hunter Thomas 1987-5-26 24321 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake. Comment
  JROH2700  Myriophyllum aquaticum John Hunter Thomas 1989-6-6 24758 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1101504  Myriophyllum sibiricum Herbert L. Mason and Verne Grant 1946-8-28 13079 San Mateo Sag Pond N of San Francisco County Prison. Comment
  UCD102559  Myriophyllum sibiricum Herbert L. Mason; Verne Grant 1946-8-28 13079 San Mateo North of San Francisco County Prison. Comment
  CDA5310  Myriophyllum spicatum subsp. spicatum G. D. Barbe, Tom Palmer, M. Keffer, J. Reppas 1978-11-8 2471 San Mateo East shore of Lower Crystal Springs Reservoir, 0.8 km (0.5 mile) northwest of San Mateo Creek dam. 0 Comment
  JROH6206  Narcissus tazetta Ann Lambrecht 2007-3-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; east of Rd. 20 and south of the Douglas Iris Site. 85 Comment
  RSA128469  Nassella lepida J. T. Howell 1952-5-28 28316 San Mateo Crystal Springs Lake. Comment
  UCD87964  Nassella lepida R. Tofsrud 1949-6-1 s.n. San Mateo East side of Crystal Springs Lake. Comment
  CAS-BOT-BC260226  Nassella pulchra Ned Cahill 1974-5-30 307 San Mateo Near the intersection of Canada and Edgewood roads, about 3 miles W from Redwood City Comment
  CAS-BOT-BC260233  Nassella pulchra A. D. E. Elmer 1903-6-1 4712 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC260239  Nassella pulchra H. A. Borthwick 1920-6-1 186 San Mateo Santa Cruz Mountain Peninsula. Back of Redwood City Comment
  CDA20725  Nassella tenuissima L. Kuwahara 2006-6-1 PDR 1359399 San Mateo East side of Skyline Blvd., 3/4 mile south of State Hwy. 92. =Stipa tenuissima, 2nd confirmed natural occurrence, 3 (so far) reported. Potential pest. Comment
  JROH1570  Nasturtium officinale John H. Thomas 1967-6-1 12979 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3204  Navarretia heterodoxa John Hunter Thomas 1983-6-29 22705 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET191609  Navarretia heterodoxa Lewis S. Rose 1941-6-12 41269 San Mateo Emerald Lake, hills west of Redwood City 122 Comment
  RSA95822  Navarretia heterodoxa L. S. Rose 1953-6-29 53044 San Mateo Emerald Lake, hills w. of Redwood City 91 Comment
  POM65127  Navarretia squarrosa Copeland 1903-6-5 3323 San Mateo Montara Point. Comment
  UC52679  Navarretia squarrosa J. Burtt Davy 1893-6-17 781 San Mateo Belmont Comment
  UCSC005138  Nemophila Randall Morgan 1994-3-12 2154 San Mateo Coal Mine Ridge Comment
  POM65294  Nemophila menziesii var. menziesii C. F. Baker 1903-4-6 1970 San Mateo San Bruno hills, San Francisco. Comment
  POM65449  Nemophila menziesii var. menziesii A. D. E. Elmer 1903-04 4737 San Mateo Cemeteries Comment
  SBBG41706  Nemophila parviflora J. T. Howell 1971-4-12 San Mateo Butano St Park, Santa Cruz Mtns Comment
  UC75163  Nemophila parviflora C. F. Baker 1902-4-12 509 San Mateo La Honda Comment
  CAS-BOT-BC219476  Nemophila parviflora Mrs. E. C. Sutliffe 1933-5-11 s.n. San Mateo Memorial Park, near La Honda Comment
  POM65250  Nemophila parviflora var. parviflora C. F. Baker 1902-4-12 509 San Mateo La Honda. Comment
  RSA15282  Nemophila parviflora var. parviflora Carl B. Wolf 1927-4-3 249 San Mateo 1 mile above La Honda. Santa Cruz Mountains. Comment
  CAS-BOT-BC140428  Oemleria cerasiformis Margaret A. Barry 1938-5-1 s.n. San Mateo On Coal Mine Ridge Comment
  CAS-BOT-BC140441  Oemleria cerasiformis E. G. Dudley 1904-3-3 42 San Mateo Portola Valley, Santa Cruz Mts. Comment
  JROH3706  Oemleria cerasiformis John H. Thomas 1965-2-22 10552 San Mateo Jasper Ridge Biological Preserve, Stanford University. Above edge of Searsville Lake Comment
  RSA112471  Oemleria cerasiformis E. A. Dudley 1904-3-3 s.n. San Mateo Portola Valley, Santa Cruz Mts. Comment
  UCD23290  Oemleria cerasiformis Alan T. Whittemore 1976-5-29 102 San Mateo Intersection of Polyhemus Creek Road and Ticonderoga Street, San Mateo. 140 Comment
  SEINET12189809  Oenothera elata L. K. Henry 1956-1 s.n. San Mateo along Pacific Ocean at Pigeon Point Lighthouse on Rt 1 Comment
  UC2061401  Oenothera elata subsp. hookeri H. W. Johansen 1958-5-18 23 San Mateo Coast Hwy 1, S of Pescadero Comment
  JEPS43966  Oenothera glazioviana W. L. Jepson 1910-8-17 4156 San Mateo Purissima Ck. Comment
  JROH2989  Olea europaea John H. Thomas 1967-6-1 12981 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC499690  Orobanche californica subsp. californica Helen D. Geis 1901-10-26 s.n. San Mateo Half Moon Bay Comment
  JROH3089  Orobanche vallicola James McMurphy 1906-8-6 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake Comment
  CAS-BOT-BC502962  Orobanche vallicola James McMurphy 1906-8-6 s.n. San Mateo Searsville Lake Comment
  POM319954  Orthocarpus densiflorus Barbara Shervanick 1973-4-1 800 San Mateo San Bruno Mt. first summit on Crocker Road; Mt. Range: San Bruno Mountains; Drainage Area: San Francisco Bay. Comment
  POM126839  Orthocarpus erianthus var. roseus M. S. Baker 1904-05 s.n. San Mateo Ocean View. Comment
  RSA407968  Orthocarpus purpurascens Francis W. Pennell, D. D. Keck 1940-5-15 25418 San Mateo E of Upper Crystal Springs Lake, SW of San Mateo. 61 Comment
  CAS-BOT-BC173631  Orthocarpus pusillus Peter Rubtzoff 1977-4-14 8941 San Mateo San Bruno Mountain. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  POM126843  Orthocarpus pusillus R. L. Pendleton 1907-4-20 590 San Mateo Lake Merced. 46 Comment
  SEINET244349  Osmorhiza chilensis David H. French 1968-4-12 2843 San Mateo Near Palo Alto coast (Pescadero) Road, 11.7 mi. E. of Pescadero. 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
  SEINET6948092  Oxalis corniculata Robert A. Evers, Clara V. Evers 1975-8-24 115022 San Mateo Trailer Villa, Redwood City. Comment
  RSA120752  Oxalis oregana S. S. Tillett, I. Sternback 1956-6-24 524 San Mateo Middleton property, behind (N.) Portola Camp Store, just outside Portola State Park. 396 Comment
  RSA130345  Oxalis oregana Roxana Stinchfield 1914-2-28 s.n. San Mateo Hills back of Woodside Comment
  CAS-BOT-BC318250  Packera breweri Otto Holm 1930-5-8 s.n. San Mateo Berenda Farm, near Redwood City. Comment
  UCSC000079  Parapholis incurva A. Hormay 1932-5-29 16 San Mateo San Bruno 0 Comment
  JROH5870  Parthenocissus quinquefolia Ann Lambrecht 2011-7-5 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; at Bear Creek crossing near Preserve boundary fence Comment
  JROH5342  Paspalum distichum W. R. Dudley 1903-1-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Upper end of Searsville Lake. Comment
  JROH1400  Pectocarya pusilla J. I. McMurphy 1911-5-11 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1403  Pectocarya pusilla John H. Thomas 1981-4-27 20499 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA130342  Pedicularis densiflora E. W. Rust 1907-4-27 135 San Mateo King's Mountain. Comment
  JROH4097  Pedicularis densiflora Daniel Cohen 1953-4-11 18 San Mateo Jasper Ridge Biological Preserve, Stanford University; about 1/3 of the way up Jasper Ridge Road from Searsville Lake Comment
  LA209451  Pedicularis densiflora R. L. A.; 1902-3-16 2278 San Mateo Woodside 60.0 Comment
  SEINET12182596  Pelargonium L. K. Henry 1956-1 s.n. San Mateo along Pacific Ocean at Pigeon Point Lighthouse on Rt 1 Comment
  UC729633  Pelargonium vitifolium Carl B. Wolf 1929-5-10 3704 San Mateo s of Pescadero (Pigeon Pt); Pigeon Pt. 30 Comment
  JROH5818  Pennisetum setaceum John Rawlings 2016-10-8 1949 San Mateo Sand Hill Rd. near the SLAC fence-line opposite the entrance to the Horse Park at Woodside, San Mateo Co. 118 Comment
  CAS-BOT-BC265731  Pennisetum villosum John H. Thomas 1969-6-6 15517 San Mateo Menlo Park, near El Camino and Cambridge Comment
  CAS-BOT-BC330500  Pentachaeta bellidiflora Lewis S. Rose 1946-4-7 46026 San Mateo Skyline Blvd., above San Andreas Lake. 152 Comment
  UC133379  Pentachaeta exilis C. F. Baker 1902-4-4 446 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC77005  Pentagramma triangularis subsp. triangularis Elizabeth McClintock 1967-4-16 s.n. San Mateo San Bruno Mountains - Buckeye Canyon Comment
  CAS-BOT-BC77010  Pentagramma triangularis subsp. triangularis Ned Cahill 1974-5-13 244 San Mateo Chaparral near the intersection of Canada and Edgewood Roads, about 3 mi westward from Redwood City. Comment
  JROH109  Pentagramma triangularis subsp. triangularis John H. Thomas 1968-3-17 14194 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  UC652563  Perideridia gairdneri subsp. gairdneri Ira L. Wiggins and Roxana S. Ferris 1939-8-2 9295 San Mateo Ano Nuevo Point Comment
  JROH309  Perideridia kelloggii John H. Thomas 1972-8-18 16148 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET192395  Perideridia lemmonii Ira Wiggins, Roxana Ferris 1939-8-2 9295 San Mateo Ano Nuevo Point Comment
  CAS-BOT-BC423362  Peritoma serrulata Mrs. Brandegee No date on label s.n. San Mateo Montera [Montara] Comment
  JROH3243  Persicaria amphibia W. R. Dudley 1909-10-31 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Searsville Lake. Comment
  JROH6176  Persicaria maculosa John Rawlings, Ann Lambrecht 2017-10-3 2303 San Mateo Jasper Ridge Biological Preserve, Stanford University; Corte Madera Creek Delta 103 Comment
  JROH3282  Persicaria punctata Roxana S. Ferris 1924-10-6 4093 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake in Portola Highway. Comment
  RSA120041  Petunia parviflora W. R. Dudley 1909-10-31 s.n. San Mateo Searsville Lake. The Santa Cruz Mtn Peninsula. Comment
  UC131512  Phacelia distans C. F. Baker 1902-4-4 442 San Mateo Crystal Springs Lake 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
  UC881192  Phacelia malvifolia John Thomas Howell 1938-5-1 13768 San Mateo Colma Canyon Comment
  JROH5353  Phalaris aquatica John H. Thomas 1973-6-15 16839 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD88567  Phalaris californica P. B. Kennedy 1916-5-1 s.n. San Mateo Crocker Estate, Burlingame. Comment
  UCD88576  Phalaris californica P. B. Kennedy 1928-5-2 s.n. San Mateo E of Daly City. Comment
  CAS-BOT-BC250643  Phalaris minor A. D. E. Elmer 1903-6-1 4427 San Mateo Crystal Springs Lake Comment
  JROH5383  Phalaris paradoxa John Rawlings 2011-6-21 1074 San Mateo Jasper Ridge Biological Preserve, Stanford University; 80m west of Escobar Gate downhill from Road F on north side of ridge near the serpentine/sandstone contact 153 Comment
  UC52847  Phlox gracilis J. Burtt Davy Jun 21 1893-Jun 23 1893 1044 San Mateo Pilarcitos Lake and Canyon Comment
  JROH4287  Phoradendron serotinum subsp. tomentosum John H. Thomas 1959-8-22 8080 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4291  Phoradendron serotinum subsp. tomentosum John H. Thomas 1965-12-19 11460 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD18545  Phyla nodiflora Roman Gankin 1950-7-8 13 San Mateo city of Menlo Park, Hermosa Way, along roadside. 30 Comment
  SJSU4276  Phyllospadix scouleri E. B. Woon 1957-5-31 227 San Mateo Pigeon Point Comment
  UC2056117  Phyllospadix scouleri K. Dickey 2015-6-18 San Mateo Pescadero, beds south of promontory Comment
  CAS-BOT-BC142180  Physocarpus capitatus Margaret A. Barry 1937-5-15 112 San Mateo Woods on Coal Mine Ridge Comment
  UC114306  Physocarpus capitatus C. F. Baker 1902-5-4 747 San Mateo Woodside Comment
  RSA130411  Pickeringia montana var. montana Josephine Randall 1907-6-29 s.n. San Mateo Kings Mt. Road. Comment
  CDA33410  Pinus radiata D. G. Kelch, David Gernandt, Steffi Ickert-Bond, Yingli Guo 2011-4-22 11 .178-B San Mateo Swanton Rd just S of Ano Nuevo above Weddell Creek. Comment
  CAS-BOT-BC158326  Piperia Peter Rubtzoff; Randall Morgan 1987-8-28 9847 San Mateo Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC137315  Piperia elegans L. R. Abrams 1909-8-2 4274 San Mateo Field redacted by CAS, contact the data manager for more information Comment
  JROH4767  Piperia elegans subsp. elegans Linda Knox 1969-8-10 1 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC228134  Plagiobothrys chorisianus Edward Lee Greene 1886-5-10 s.n. San Mateo Belmont Comment
  RSA262234  Plagiobothrys chorisianus John H. Thomas 1961-5-7 9258 San Mateo San Bruno Mountain, in northern part of county. 305 Comment
  CAS-BOT-BC228120  Plagiobothrys chorisianus David D. Keck 1933-5-11 2294 San Mateo Montara Light House and Radio Station Comment
  RSA320763  Plagiobothrys chorisianus Robert A. Norris 1984-3-21 4650 San Mateo along trail in saddle between Parking Lot (and summit) and Blue Blossom Hill, San Bruno Mountains 305 Comment
  CAS-BOT-BC228175  Plagiobothrys chorisianus var. hickmanii W. R. Dudley 1900-3-16 s.n. San Mateo The Santa Cruz Mountain Peninsula. Along road between King's [Kings] Mountain and Half Moon Bay Comment
  JROH1424  Plagiobothrys nothofulvus John H. Thomas 1969-4-12 14879 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  UC25045  Plagiobothrys nothofulvus Alice Eastwood April 1896 San Mateo Crystal Springs Comment
  CHSC39820  Plantago Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  JEPS22019  Plantago elongata G. Thomas Robbins with S. Galen Smith 1958-6-9 3860 San Mateo .12 mi w State Highway 1 (0.5 mi n of bridge crossing Pescadero Creek) Comment
  POM61247  Plantago elongata subsp. pentasperma Copeland 1903-6-5 3327 San Mateo Montara Point. Comment
  JROH3119  Plantago erecta John Hunter Thomas 1981-5-25 20643 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3125  Plantago erecta John Hunter Thomas 1991-5-2 25017 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM283961  Plantago erecta Lyman Benson 1931-3-10 2650 San Mateo Redwood City. Santa Cruz mtn range, Emerald Lake. 152 Comment
  UCSC007768  Plantago lanceolata Becky Hendricks, Chris Lay 2012-6-22 s.n. San Mateo Ano Nuevo State Park Comment
  JEPS15530  Plantago maritima var. californica G. Thomas Robbins 1956-8-18 3736 San Mateo near mouth of Pomponio Creek Comment
  JEPS7154  Plantago maritima var. californica James G. Daly 1934-1 478 San Mateo mouth of San Gregorio Creek San Gregorio Creek Comment
  UC1192029  Plantago subnuda Malcolm A. Nobs and S. Galen Smith 1949-8-26 1583 San Mateo about 1 mi s Half Moon Bay Comment
  CAS-BOT-BC92014  Platystemon californicus John H. Thomas 1974-5-7 17317 San Mateo San Bruno Mountain. Along Guadalupe Parkway opposite school. Comment
  UC1057447  Platystemon californicus G. Thomas Robbins 1937-4-11 95 San Mateo along road to Woodside near Spring Valley Lakes; near Springs Valley Lakes Comment
  UC855242  Platystemon californicus Lewis S. Rose 1937-4-24 37230 San Mateo w Redwood City (Emerald Lake); Emerald Lake 106 Comment
  UC912455  Plectritis brachystemon Herbert L. Mason 1927-4-23 3689 San Mateo between La Honda and Pescadero Creek Comment
  JROH4245  Plectritis congesta subsp. brachystemon John Hunter Thomas 1981-4-23 20490 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5922  Plectritis congesta subsp. brachystemon H. J. Dengler 1964-3-29 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Grass island Comment
  JROH5394  Pleuropogon californicus var. californicus Ann Lambrecht 2006-5-1 34 San Mateo Jasper Ridge Biological Preserve, Stanford University. Vernally wet area between Sand Hill Road and main entry road to preserve. 121 Comment
  CAS-BOT-BC255567  Poa annua George Oberlander 1949-4-30 112 San Mateo San Francisco Watershed Reserve. Sawyer Ridge Comment
  CAS-BOT-BC257691  Poa annua Peter Rubtzoff 1988-5-3 9915 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, near its crossing of the upper part of East Fork Colma Creek. Comment
  UC188935  Poa annua Michener apr. 1891 118 San Mateo San Bruno Rd Comment
  UCD163746  Poa annua Peter Rubtzoff 1988-5-3 9911 San Mateo San Bruno Mountain, 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road Junction, near old Guadalupe Road in the northwest part of the 'Saddle' area, east of Saddle Trail Junction. Comment
  CAS-BOT-BC246709  Poa howellii Roxana S. Ferris 1921-3-20 2175 San Mateo Santa Cruz Mountain Peninsula. Road from Alpine Creek to Pescadero Creek 304 Comment
  JROH5412  Poa howellii John Rawlings 2013-4-16 1137 A San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 2 extension south of the Dengler Transect after a short uphill section where the trail passes below a boulder. 84 Comment
  RSA135727  Poa howellii W. R. Dudley 1900-3-17 s.n. San Mateo Ravine north of Seal Cove. Comment
  CAS-BOT-BC255785  Poa infirma John H. Thomas 1965-4-29 10628 San Mateo San Bruno Mountain in northern part of county 396 Comment
  JROH5418  Poa pratensis subsp. pratensis John Rawlings 2007-6-1 0906 San Mateo Jasper Ridge Biological Preserve, Stanford University; west side of Road L 107 Comment
  JROH5950  Poa secunda subsp. secunda John Rawlings 2017-4-3 2013 San Mateo Jasper Ridge Biological Preserve, Stanford University; around seep in opening in serpentine chaparral, upper Big Inlet drainage of Searsville Lake 149 Comment
  JROH6180  Poa secunda subsp. secunda John Rawlings 2004-5-8 796 San Mateo Jasper Ridge Biological Preserve, Stanford University; east serpentine about 150 m west of Escobar Gate; 166 Comment
  RSA785877  Poa trivialis Peter Rubtzoff 1977-6-7 9030 San Mateo Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC244245  Poa unilateralis G. L. Stebbins, Jr. 1943-4-8 3349 San Mateo San Bruno Hills, 1 mile E of Daly City Comment
  CAS-BOT-BC244251  Poa unilateralis Louis F. Pitelka 1973-4-30 s.n. San Mateo Bolsa Point, about 1 mile N of Pigeon Point and about 39 miles S of San Francisco Comment
  SJSU15435  Poa unilateralis subsp. unilateralis Toni Corelli 2010-5-14 673 San Mateo Southern end of Pillar Point Bluff, San Mateo County. 32 Comment
  JROH2855  Pogogyne serpylloides John H. Thomas 1966-4-29 11588 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2862  Pogogyne serpylloides John Hunter Thomas 1981-4-23 20493 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM64835  Polemonium carneum L. R. Abrams 1916-4-22 5576 San Mateo Santa Cruz Mountains Peninsula: Pilarcitos Canyon Comment
  UC1101136  Polygonum amphibium var. stipulaceum Verne Grant and Herbert L. Mason 1946-8-28 13082 San Mateo San Francisco county prison; sag pond at entrance Comment
  CAS-BOT-BC389685  Polygonum aviculare Jeanie Nieri 1953-2-3 23 San Mateo Growing three miles west of Hillsdale Comment
  JEPS81638  Polygonum aviculare subsp. aviculare J. C. Hickman 1981-7-21 1004 San Mateo Ano Nuevo Reserve; near center Comment
  JROH3258  Polygonum aviculare subsp. depressum John H. Thomas 1974-8-3 17498 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3265  Polygonum aviculare subsp. depressum John Hunter Thomas 1982-7-22 21087 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Saersville Lab. Comment
  CAS-BOT-BC414234  Polygonum aviculare subsp. depressum Elizabeth McClintock 1965-6-13 s.n. San Mateo San Bruno Mountain. Colma Canyon Comment
  UCD164344  Polygonum aviculare subsp. depressum Peter Rubtzoff 1977-4-16 8953 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
  SJSU2298  Polygonum paronychia C. W. Sharsmith 1950-4-16 6627 San Mateo near Pescadero Point, near Pescadero Comment
  CAS-BOT-BC76915  Polypodium californicum J. H. Thomas 1949-3-29 197 San Mateo King's Mountain. Comment
  JROH75  Polypodium californicum John H. Thomas 1964-4-19 10313 San Mateo Jasper Ridge Biological Preserve, Stanford University. At Searsville end of ridge Comment
  CAS-BOT-BC76949  Polypodium californicum Elizabeth McClintock 1963-2-16 s.n. San Mateo San Bruno Mountain Comment
  CAS-BOT-BC72062  Polypodium calirhiza Ira L. Wiggins 1939-11-5 s.n. San Mateo Corte Madera Creek about 1/2 mile below the Rolph Place Comment
  CAS-BOT-BC76805  Polypodium glycyrrhiza W. R. Dudley 1898-3-5 s.n. San Mateo Santa Cruz Peninsula - King's Mountain Comment
  JEPS79496  Polypodium glycyrrhiza Edward Lee with A. Carter, E. Crum, and C. Belshaw 1936-1-26 1721 San Mateo 2.6 mi out of Woodside (e side Cahill Ridge, Kings Mt. Rd.) Comment
  UC42920  Polypodium scouleri J. Burtt Davy 1893-6-22 San Mateo top of Pilarcitos Canyon Comment
  SJSU15799  Polypogon interruptus Toni Corelli 2010-6-4 679 San Mateo Cowell Ranch Beach 33 Comment
  CAS-BOT-BC237346  Polypogon monspeliensis George Oberlander 1949-7-24 312 San Mateo San Francisco Watershed Reserve. Pilarcitos Canyon Comment
  CAS-BOT-BC237350  Polypogon monspeliensis Verne Grant; Herbert L. Mason 1946-8-28 13094 San Mateo On Highway 5, about 3 miles S of Daly City Road Comment
  JROH5451  Polypogon monspeliensis John Hunter Thomas 1981-7-12 20685 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near boat dock. Comment
  JROH5456  Polypogon monspeliensis John Hunter Thomas 1987-5-5 24242 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA187461  Polypogon monspeliensis John H. Thomas 1965-12-19 11458 San Mateo Jasper Ridge Biological Experimental Area, 5 miles SW of Palo. Comment
  CAS-BOT-BC237358  Polypogon monspeliensis V. F. Hesse No date on label 3203 San Mateo Whitehouse Creek road, near coast 30 Comment
  CAS-BOT-BC237588  Polypogon viridis George Oberlander 1950-6-3 1028 San Mateo San Francisco Watershed Reserve. Upper Crystal Spring Lake Comment
  CAS-BOT-BC72229  Polystichum dudleyi Alice Eastwood 1933-5-31 s.n. San Mateo Butano Canyon Comment
  JROH46  Polystichum dudleyi Lawrence J. Winship 1974-11-2 2 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  CAS-BOT-BC76606  Polystichum munitum George Oberlander 1949-5-21 211 San Mateo San Francisco Watershed Reserve - Cahill Ridge Comment
  RSA157754  Polystichum munitum I. L. Wiggins 1925-5-24 1731 San Mateo Along county road from Pescadero to Pebble Beach along rich swamp land just before coming to the artichoke lands of the American Produce Co. Comment
  RSA785881  Polystichum munitum Peter Rubtzoff 1976-10-5 8905 San Mateo eSaddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, upper part of East Fork Colma Creek Canyon. Comment
  POM223174  Populus trichocarpa S. S. Berry 1909-2-27 s.n. San Mateo Near Los Francos Creek. 46 Comment
  CAS-BOT-BC445246  Portulaca oleracea Fay Gilbert 1920-6-1 s.n. San Mateo Santa Cruz Mountain Peninsula. Redwood City Comment
  CAS-BOT-BC267167  Potamogeton foliosus H. L. Mason 1921-5-28 s.n. San Mateo Lagoon back of Near Years Pl Comment
  UC652560  Potamogeton gramineus Ira L. Wiggins and Roxana S. Ferris 1939-8-2 9292 San Mateo Ano Nuevo Point Comment
  CAS-BOT-BC453832  Potamogeton nodosus V. F. Hesse 1961-8-24 3020 San Mateo About 4 miles south of Pescadero 60 Comment
  CAS-BOT-BC453833  Potamogeton nodosus H. L. Mason 1921-5-28 s.n. San Mateo Lagoon back of New Years Pt. Comment
  UC1099838  Potamogeton pectinatus Verne Grant, Herbert L. Mason 1946-8-30 13078 San Mateo n of San Francisco County Prison Comment
  CDA857  Potamogeton pusillus Wm. Davis 1964-6-17 San Mateo Lake on Purcell property, San Mateo. 0 Comment
  CAS-BOT-BC141929  Potentilla anserina subsp. pacifica Elizabeth McClintock; Carlyn Halde; Walter Knight 1963-6-23 s.n. San Mateo Lower part of Colma Canyon - San Bruno Mountains Comment
  CAS-BOT-BC516357  Prosartes hookeri Ira L. Wiggins 1928-4-14 2912 San Mateo Alpine Creek Road Comment
  CAS-BOT-BC516361  Prosartes hookeri Elizabeth McClintock 1965-3-28 s.n. San Mateo Devil's Arroyo, San Bruno Mountain Comment
  CAS-BOT-BC517389  Prosartes smithii D. D. Davis 1903-5-1 s.n. San Mateo Santa Cruz Peninsula, near summit La Honda Road Comment
  CAS-BOT-BC517394  Prosartes smithii W. R. Dudley 1904-3-1 s.n. San Mateo Goat Ranch, summit of Santa Cruz Mountains near old La Honda Road crossing Comment
  SFV3190  Prunella vulgaris subsp. vulgaris K. A. Wilson 1961-6-24 1238 San Mateo Santa Cruz Mountains Skyline Blvd. (California Highway 5). 625 Comment
  JROH2868  Prunella vulgaris var. lanceolata Toni Corelli 2005-7-13 294 b San Mateo Jasper Ridge Biological Preserve, Stanford University; lower fire Road C, about 20 m south of low flow crossing along road 80 Comment
  CAS-BOT-BC158177  Prunus emarginata A. D. E. Elmer 1903-5-1 4523 San Mateo Searsville Lake Comment
  CAS-BOT-BC154505  Prunus ilicifolia Elizabeth McClintock; Paul Reeberg 1988-6-7 s.n. San Mateo Islay Ravine Comment
  JROH3747  Prunus ilicifolia subsp. ilicifolia John Hunter Thomas 1981-5-5 20545 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC154655  Prunus subcordata A. D. E. Elmer 1903-4-1 4533 San Mateo Portola Comment
  UC311194  Prunus subcordata A. D. E. Elmer April, 1903 4583 San Mateo Portola Comment
  CAS-BOT-BC156357  Prunus virginiana var. demissa D. E. Breedlove 1974-5-13 36207 San Mateo San Pedro Valley Park, Pacifica 152 Comment
  CAS-BOT-BC156361  Prunus virginiana var. demissa George Oberlander 1949-6-25 245 San Mateo Pilarcitos Canyon Comment
  CAS-BOT-BC356471  Pseudognaphalium beneolens Josephine D. Randall 1907-7-28 76 San Mateo Santa Cruz Peninsula. Black Mt. Road near Iverson's 335 Comment
  CAS-BOT-BC356857  Pseudognaphalium californicum Josephine D. Randall 1907-7-23 47 San Mateo Santa Cruz Peninsula. Near Crystal Springs Lake Comment
  JROH769  Pseudognaphalium californicum John Hunter Thomas 1983-7-20 22893 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC357121  Pseudognaphalium luteoalbum Fred Hemphill 1973-4-22 725 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  SD30773  Pseudognaphalium luteoalbum Edith A. Purer 1933-8-13 5427 San Mateo Belmont, along roadside 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
  JROH773  Pseudognaphalium luteoalbum J. H. Thomas 1958-12-21 7510 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake Comment
  JROH782  Pseudognaphalium luteoalbum John Hunter Thomas 1980-11-27 20184 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC357510  Pseudognaphalium ramosissimum George Oberlander 1950-7-15 1082 San Mateo San Francisco Watershed Reserve. Cahill Ridge Comment
  UC1536874  Pseudognaphalium stramineum G. H. True Jr. 1936-6-7 489 San Mateo 2 mi s Pescadero 15 Comment
  CAS-BOT-BC361566  Pseudognaphalium stramineum Phillip Wheeler 1965-5-17 s.n. San Mateo San Bruno Mountain. Cow Palace area Comment
  CAS-BOT-BC85915  Pseudotsuga menziesii Miss O. Boring 1897-8-31 s.n. San Mateo Santa Cruz Peninsula, King's Mt. Comment
  POM223619  Pseudotsuga menziesii S. S. Berry 1909-3-13 s.n. San Mateo King s Mountain. 640 Comment
  CAS-BOT-BC85904  Pseudotsuga menziesii unspecified 1893-12-3 s.n. San Mateo Fr. Lyon's Gate Comment
  JROH125  Pseudotsuga menziesii var. menziesii John H. Thomas 1970-1-1 15492 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC362028  Psilocarphus tenellus Margaret A. Barry 1937-5-8 70 San Mateo On Coal Mine Ridge Comment
  JROH1187  Psilocarphus tenellus John Hunter Thomas 1980-5-8 19948 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1196  Psilocarphus tenellus John Hunter Thomas 1992-4-23 25146 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC362020  Psilocarphus tenellus Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mountain. South Power Line Ridge Comment
  JROH1191  Psilocarphus tenellus John Hunter Thomas 1984-4-12 23290 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH17  Pteridium aquilinum var. pubescens John Hunter Thomas 1985-5-22 23677 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH19  Pteridium aquilinum var. pubescens John Hunter Thomas 1985-5-22 23677 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH13  Pteridium aquilinum var. pubescens John Hunter Thomas 1981-4-5 20284 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek from Redwood area to Zoology Cabin ruins Comment
  SJSU2275  Pterostegia drymarioides C. W. Sharsmith 1947-4-13 6756 San Mateo Pescadero Beach near Pescadero Point Comment
  CAS-BOT-BC421313  Pterostegia drymarioides Elizabeth McClintock; Paul Reeberg 1988-3-29 s.n. San Mateo San Bruno Mountains. Colma Canyon. 121 Comment
  CAS-BOT-BC460838  Pyrola aphylla W. R. Dudley 1895-6-7 s.n. San Mateo Santa Cruz Peninsula: 4000 feet above Iverson's; Butano Ridge Comment
  SEINET8229663  Pyrola aphylla A. D. E. Elmer 1903-1 4297 San Mateo Pescadero. Comment
  CAS-BOT-BC362361  Pyrrocoma racemosa var. racemosa L. R. Abrams 1906-9-29 s.n. San Mateo Cooley's [Cooley] Landing Comment
  CAS-BOT-BC104281  Quercus X morehus G. Ward 1941-4-12 s.n. San Mateo Sant Bruno Hills Comment
  CAS-BOT-BC105387  Quercus X morehus W. R. Dudley 1904-4-10 s.n. San Mateo Santa Cruz Mountain Peninsula, junction of Alpine and Great Round road, in a few yards E of junction of Corte Madera & Comment
  CAS-BOT-BC104410  Quercus X subconvexa Lewis S. Rose 1964-9-5 64069 San Mateo Emerald Lake, W of Redwood City 243 Comment
  CAS-BOT-BC61706  Quercus agrifolia Elizabeth McClintock; Walter Knight; Irja Knight 1964-9-11 s.n. San Mateo Point San Bruno. On bluff near shoreline, San Bruno Mountain Comment
  JEPS121484  Quercus agrifolia var. agrifolia Adam C. Schneider with C. Matt Guilliams 2013-2-2 7 San Mateo Crystal Springs Reservoir Comment
  JROH2462  Quercus agrifolia var. agrifolia John H. Thomas 1974-6-30 17461 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC62307  Quercus chrysolepis Stkinson 1902-11-30 s.n. San Mateo Santa Cruz Mountain Peninsula, King's Mt. Comment
  CAS-BOT-BC94274  Quercus durata Lewis S. Rose 1964-9-5 64068 San Mateo Emerald Lake, W of Redwood City 243 Comment
  SEINET13953265 Image available Quercus durata Lewis S. Rose 1950-1 50136 San Mateo Emerald Lake region; hills w. of Redwood City; alt. ca. 800 ft. 244 Comment
  JROH2479  Quercus durata var. durata Arthur Spiegler 1952-5-10 87 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SBBG39513  Quercus durata var. durata L. S. Rose 1970-7-21 San Mateo Emerald Lake, W of Redwood City 243 Comment
  JROH2509  Quercus kelloggii John Hunter Thomas 1987-5-26 24323 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5942  Quercus kelloggii John Rawlings, Sara Timby 2017-3-3 1964 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 5 96 Comment
  RSA477344  Quercus kelloggii L. H. Jones 1909-3-5 s.n. San Mateo On the west side of Jasper Ridge, Stanford University. 137 Comment
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Sep 19 2011
  UCD46676  Quercus kelloggii Ira L. Wiggins 1946-5-2 s.n. San Mateo La Honda road, above Searsville Reservoir, San Mateo County, California. 457 Comment
  JROH2522  Quercus lobata John H. Thomas 1978-5-23 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM270142  Quercus lobata Lyman Benson 1932-8-1 4032 San Mateo Stanford University, Santa Cruz Mt. Range, Corte Madera Creek watershed. 122 Comment
  SEINET12034641  Quercus lobata Unknown 1930-1 7321 San Mateo Jaspar Ridge Comment
  CDA22092  Quercus parvula var. shrevei J. M. Tucker 1994-9-9 s.n. San Mateo Huddart Park on northeast facing slope near Miwok Shelter. Comment
  POM270261  Quercus wislizeni var. wislizeni Lyman Benson 1932-8-1 4028 San Mateo Stanford University, Santa Cruz Mt. Range, Corte Madera Creek watershed. 122 Comment
  CAS-BOT-BC362543  Rafinesquia californica Fred Hemphill 1973-5-6 782 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC362549  Rafinesquia californica John R. Barth 1963-6-3 56 San Mateo Coal Mine Ridge, about 7 miles south of Palo Alto 335 Comment
  JROH3475  Ranunculus californicus Toni Corelli 2005-4-13 284 San Mateo Jasper Ridge Biological Preserve, Stanford University; east of Trail 10 178 Comment
  POM268414  Ranunculus californicus Lyman Benson 1931-3-15 s.n. San Mateo Emerald Lake; Redwood City; Mt. Range: Santa Cruz 152 Comment
  POM268421  Ranunculus californicus Lyman Benson 1930-3-20 1953 San Mateo S San Francisco. 91 Comment
  RSA399415  Ranunculus californicus J. Doty 1969-3-26 600 San Mateo 100 yards E of jct Hwy 35 and 92, near summit of Caost Range, San Francisco Peninsula. Comment
  SEINET13717384  Ranunculus californicus Unknown 1914-3-22 5730 San Mateo In hard adobe soil. Redwood City. Comment
  UC750526  Ranunculus californicus Lewis S. Rose 1947-4-14 47094 San Mateo Skyline Blvd. e Sharps Park 152 Comment
  JEPS127782  Ranunculus californicus var. californicus Adam C. Schneider with C. Matt Guilliams 2013-3-9 48 San Mateo Comment
  CAS-BOT-BC378529  Ranunculus californicus var. californicus Elizabeth McClintock; Virginia Ryder 1964-2-16 s.n. San Mateo San Bruno Mountain, Guadalupe Road Comment
  CAS-BOT-BC378536  Ranunculus californicus var. californicus Daniel Cohen 1953-4-11 12 San Mateo grassy meadow on north shore of Searsville Lake Comment
  JROH3492  Ranunculus hebecarpus John Hunter Thomas 1988-4-7 24382 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC83417  Ranunculus lobbii J. I. McMurphy 1906-5-8 s.n. San Mateo Santa Cruz Mountain Peninsula. Pond near Head of Crystal Springs Lakes. 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
  RSA101003  Ranunculus lobbii George Oberlander 1950-3-18 s.n. San Mateo Upper Crystal Springs Lake, San Francisco Watershed Reserve Comment
  UCR49694  Ranunculus lobbii J. J. McMurphy 1906-5-8 s.n. San Mateo Santa Cruz Mountain Peninsula. Pond near Head of Crystal (?) Springs Lakes 85 Comment
  POM268819  Ranunculus repens W. R. Dudley 1906-10-12 s.n. San Mateo Pond 15 Comment
  UCD20153  Ranunculus trilobus Phil Greer 2002-4-17 s.n. San Mateo Hwy 101, in Half Moon Bay. Comment
  UCD97311  Ranunculus trilobus Phil Greer 2002-4-17 s.n. San Mateo Hwy 101, in Half Moon Bay. Comment
  CAS-BOT-BC74196  Raphanus raphanistrum E. H. Quayle 1920-5-1 s.n. San Mateo Lomitas School near Menlo Park. Comment
  OBI27163  Raphanus sativus Laura Wells 1970-2-1 8 San Mateo Half Moon Bay about 14 mi W of San Mateo Comment
  POM283034  Rhamnus californica Lyman Benson 1937-7-8 8447 San Mateo Lake Searsville, Stanford, Mt. Range: Santa Cruz; Watershed: San Francisco Bay 122 Comment
  CAS-BOT-BC55888  Rhamnus crocea Margaret A. Barry 1938-4-21 238 San Mateo North slope on Coal Mine Ridge Comment
  CAS-BOT-BC55890  Rhamnus crocea H. A. Dutton 1900-2-1 s.n. San Mateo unspecified Comment
  JROH3556  Rhamnus crocea H. L. Mason 1921-3-9 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3564  Rhamnus crocea John H. Thomas 1977-4-28 18566 B San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM282946  Rhamnus crocea Lyman Benson 1937-7-25 8473 San Mateo Lake Searsville; Mt. range: Santa Cruz; Drainage area: San Francisco Bay. 122 Comment
  RSA7771  Rhamnus tomentella subsp. tomentella John W. Gillespie 1925-8-9 191 San Mateo Searsville road Comment
  CAS-BOT-BC56668  Rhododendron occidentale A. D. E. Elmer 1903-6-1 4298 San Mateo Butano Creek Comment
  JROH2632  Ribes aureum var. gracillimum D. E. Breedlove 1971-5-31 19354 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  RSA44518  Ribes californicum L. S. Rose 1949-3-18 49007 San Mateo Hills west of Belmont. 91 Comment
  JROH2638  Ribes californicum var. californicum Duncan M. Porter 1961-2-8 742 San Mateo Jasper Ridge Biological Preserve, Stanford University. N face of sandstone cliff at N end of ridge above San Francisquito Creek. Comment
  CAS-BOT-BC173088  Ribes divaricatum var. pubiflorum W. R. Dudley 1900-5-19 s.n. San Mateo Aove Week's Ranch by La Honda Road Comment
  JROH2656  Ribes divaricatum var. pubiflorum John Hunter Thomas 1988-4-28 24415 San Mateo Jasper Ridge Biological Preserve, Stanford University. Causeway. Comment
  CAS-BOT-BC173080  Ribes divaricatum var. pubiflorum E. H. Richardson 1906-2-1 s.n. San Mateo Page Mill Road, Black Mt. Comment
  RSA0025027  Ribes divaricatum var. pubiflorum A. D. E. Elmer 1903-05 4511 San Mateo Searsville Lake Comment
  UC202806  Ribes malvaceum A. D. E. Elmer March 1903 4750 San Mateo Portola Comment
  CAS-BOT-BC173469  Ribes malvaceum Walter Knight 1964-9-14 827 San Mateo Near summit Peak Mt. Comment
  CAS-BOT-BC173478  Ribes malvaceum L. R. Abrams 1904-1-18 58 San Mateo Hills near Stanford Univ. 213 Comment
  JROH2664  Ribes malvaceum var. malvaceum John H. Thomas 1968-2-11 14146 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC212838  Ribes menziesii W. R. Dudley 1893-4-1 s.n. San Mateo Near San Francisquito Creek above Searsville Resevoir Comment
  UC202789  Ribes menziesii A. D. E. Elmer April, 1903 4496 San Mateo Portola Comment
  CAS-BOT-BC212818  Ribes menziesii W. R. Dudley 1906-6-12 s.n. San Mateo Back of winery, West Union Gulch Comment
  JROH2670  Ribes menziesii var. menziesii John Hunter Thomas 1981-4-5 20276 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek. Comment
  CAS-BOT-BC144604  Ribes sanguineum var. glutinosum J. H. Thomas 1949-3-31 204 San Mateo King's Mountain Comment
  CAS-BOT-BC144631  Ribes sanguineum var. glutinosum Lewis S. Rose 1931-1-25 s.n. San Mateo Belmont Comment
  JROH2681  Ribes sanguineum var. glutinosum John Hunter Thomas 1982-11-6 21216 San Mateo Jasper Ridge Biological Preserve, Stanford University. On causeway. Comment
  CAS-BOT-BC144611  Ribes sanguineum var. glutinosum W. R. Dudley 1894-7-29 s.n. San Mateo Hill just beyond La Honda Comment
  RSA0019105  Ribes sanguineum var. glutinosum D. D. Keck 1932-6-1 1786 San Mateo 3 miles north of La Honda, Santa Cruz Mountains. 366 Comment
  RSA0019108  Ribes sanguineum var. glutinosum Paul C. Silva 1948-1-31 2620 San Mateo Skyline Blvd. just north of junction of Alpine Creek Road. 701 Comment
  JROH1204  Rigiopappus leptocladus John H. Thomas 1963-5-15 10089 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2207  Robinia pseudoacacia Carol Zabel 2007-4-30 66 San Mateo Jasper Ridge Biological Preserve, Stanford University; caretaker's garden area Comment
  CAS-BOT-BC341025  Robinia pseudoacacia L. R. Abrams 1921-5-3 s.n. San Mateo Prop. Tallocks garden, Stanford University Comment
  RSA119750  Romanzoffia californica W. R. Dudley 1894-3-26 s.n. San Mateo Between San Mateo and Crystal Springs Reservoir; Santa Cruz Mt Peninsula. Comment
  POM65802  Romanzoffia californica L. R. Abrams 1915-3-23 5568 San Mateo Crystal Springs - San Mateo Road on rocky bluff. Comment
Read comments
Dec 31 2014
  RSA0110964  Romanzoffia californica L. R. Abrams 1915-3-23 5568 San Mateo Crystal Springs - San Mateo Road on rocky bluff. Comment
  SBBG29827  Romanzoffia suksdorfii W. R. Dudley 1909-4-27 San Mateo ponds between Woodside and Crystal Springs Reservoir Comment
  UC1736041  Romulea rosea var. australis Dean W. Taylor 1995-3-14 14751 San Mateo Buri Buri Ridge; west of Hillsborough; west of Skyline Blvd.; San Francisco Fish & Game Refuge, San Francisco Water Department lands 152 Comment
  JROH1581  Rorippa palustris subsp. palustris John Hunter Thomas 1977-6-16 18808 San Mateo Jasper Ridge Biological Preserve, Stanford University; delta in Searsville Lake Comment
  CAS-BOT-BC389728  Rosa J. Lovelle 1973-8-19 127 San Mateo Pomponio Canyon Comment
  CAS-BOT-BC147619  Rosa californica C. B. Wolf 1931-8-20 2327 San Mateo Los Trancos Creek, 2 miles back of Stanford University, near Schenkel's Camp 91 Comment
  CAS-BOT-BC147626  Rosa californica George Oberlander 1949-8-20 370 San Mateo Pilarcitos Canyon Comment
  CAS-BOT-BC147632  Rosa californica J. I. McMurphy 1906-4-30 64 San Mateo Woodside, Santa Cruz Mts. Comment
  CAS-BOT-BC147633  Rosa californica Eric Walther 1919-8-1 s.n. San Mateo Woodside Comment
  CAS-BOT-BC146696  Rosa gymnocarpa Margaret A. Barry 1937-5-15 85 San Mateo On Coal Mine Ridge Comment
  POM222902  Rosa gymnocarpa S. S. Berry 1909-4-3 s.n. San Mateo Bear Creek Canyon Road 335 Comment
  RSA112449  Rosa gymnocarpa W. R. Dudley 1906-5-8 65 San Mateo Near Crystal Springs Lake. Santa Cruz Mtns. Santa Cruz peninsula. 91 Comment
  JROH3762  Rosa gymnocarpa var. gymnocarpa John Hunter Thomas 1982-9-12 21158 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC5991  Rosa piscatoria Adolph Daniel Edward Elmer 1903-5-1 4923 San Mateo On the Pescadero Creek, Iverson's Place Comment
  SEINET5550871  Rubiaceae H. S. Gentry 1931-1 89 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  CAS-BOT-BC152832  Rubus parviflorus Josephine D. Randall 1907-7-28 345 San Mateo Iverson's near Peter's Creek - Santa Cruz Peninsula Comment
  CAS-BOT-BC152833  Rubus parviflorus Josephine D. Randall 1907-7-28 345 San Mateo Iverson's near Peter's Creek - Santa Cruz Peninsula Comment
  CAS-BOT-BC152871  Rubus parviflorus Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo Above the quarry - San Bruno Mountain Comment
  CDA33988  Rubus parviflorus D. G. Kelch 2011-3-13 11 .057 San Mateo Near Half Moon Bay along Capistrano Creek. Comment
  UC706966  Rubus parviflorus Ira L. Wiggins 1939-8-12 9296 A San Mateo about 5 mi inland from coast (along banks of Gazos Creek); Gazos Creek Comment
  CAS-BOT-BC156765  Rubus spectabilis W. R. Dudley 1894-3-26 s.n. San Mateo Near [Lobetas] Lobitos Comment
  CAS-BOT-BC157071  Rubus ursinus L. R. Abrams 1914-10-14 5128 San Mateo [Tunitos Canon] Tunitas Canyon 121 Comment
  CAS-BOT-BC157090  Rubus ursinus J. Clausen 1948-5-9 2079 San Mateo Tunitas Creek road 121 Comment
  CAS-BOT-BC157098  Rubus ursinus John Thomas Howell 1938-6-4 13889 San Mateo Burlingame Comment
  LA208244  Rubus ursinus Ira L. Wiggins; 1929-7-4 3775 San Mateo 4 mi. W. of La Honda on hill road to Pescadero Beach Comment
  RSA26246  Rubus ursinus Alice Eastwood, John T. Howell 1938-6-26 6050 San Mateo Montara Mtn above Point San Pedro Comment
  CHSC39822  Rumex acetosella Maibelle Williams 1929-5-10 San Mateo Moss Beach. 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
  UCR12025  Rumex acetosella Coleta A. Lawler 1964-4-19 55 San Mateo 4.5 miles east of Half Moon Bay; Pilarcitos Rd, 0.5 mi NE jct Half Moon Bay Rd. 76 Comment
  CAS-BOT-BC422089  Rumex acetosella Elizabeth McClintock; Philip Wheeler 1967-5-15 s.n. San Mateo San Bruno Mountain. East side of mountain, above Harold Ave., Brisbane. Grassy slope above Philip Wheeler's house. Comment
  CAS-BOT-BC422094  Rumex acetosella George Oberlander 1949-4-9 59 San Mateo San Francisco Watershed Reserve. Cahill Ridge Comment
  UCD101037  Rumex acetosella E. M. Johnston 1916-6-1 11 San Mateo Millbrae. Comment
  JROH3301  Rumex conglomeratus John Hunter Thomas 1982-6-7 21030 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC421576  Rumex crassus Saichi Kawahara 1968-6-15 434 San Mateo Pescadero Beach, 150 yards south of mouth of Pescadero Creek, Highway 1 3 Comment
  UC1191273  Rumex maritimus Herbert L. Mason and Verne Grant 1946-8-28 13090 San Mateo pond between Santa Cruz and Daly City (on Highway 5) Comment
  CAS-BOT-BC433825  Rumex pulcher John H. Thomas 1961-5-7 9293 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  JROH3306  Rumex pulcher John H. Thomas 1967-6-1 12964 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC433817  Rumex pulcher David D. Keck 1932-5-6 1458 San Mateo Belmont Comment
  JROH3314  Rumex salicifolius Toni Corelli 2006-8-9 320 San Mateo Jasper Ridge Biological Preserve, Stanford University; road E near intersection of Trail 14 118 Comment
  CAS-BOT-BC182771  Rumex salicifolius var. transitorius Peter Rubtzoff 1979-7-26 9299 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  JROH2213  Rupertia physodes John H. Thomas 1974-6-27 17455 San Mateo Jasper Ridge Biological Preserve, Stanford University; near the low flow crossing below Searsville Dam Comment
  RSA112462  Rupertia physodes Ynez Henderson 1920-05 s.n. San Mateo Near Searsville Lake. Comment
  UC1738942  Rytidosperma caespitosum Glenn Clifton 1992-8-4 San Mateo between Whitehorse Creek and Cascade Creek Santa Cruz Mountains, Cascade Ranch State Park 15 Comment
  JROH1714  Sagina apetala John H. Thomas 1966-4-6 11548 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3844  Salix exigua var. hindsiana H. J. Dengler 1972-4-30 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Along levee road, south end of Searsville Lake Comment
  SBBG33940  Salix exigua var. hindsiana L. S. Rose 1965-3-8 65003 San Mateo Searsville Lake 121 Comment
  CAS-BOT-BC125368  Salix lasiandra var. lasiandra W. R. Dudley 1904-3-26 s.n. San Mateo San Gregorio Comment
  CAS-BOT-BC125379  Salix lasiandra var. lasiandra A. D. E. Elmer 1900-4-1 2166 San Mateo Spanishtown Comment
  CAS-BOT-BC107126  Salix lasiolepis Walter Knight; Irja Knight 1965-2-28 868 San Mateo Colma Canyon - San Bruno Mt. Comment
  CAS-BOT-BC107132  Salix lasiolepis Ira L. Wiggins 1976-4-20 22178 San Mateo Along N bank of San Francisquito Creek, near Pope Street Bridge, Menlo Park Comment
  CAS-BOT-BC107133  Salix lasiolepis Peter H. Raven 1964-2-16 18742 San Mateo Just south of Lake San Andreas Comment
  JROH3859  Salix lasiolepis A. D. E. Elmer 1903-3-1 4875 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake Comment
  SBBG33482  Salix lasiolepis A. D. E. Elmer -Mar-1903 San Mateo Searsville Lake 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
  UCD164611  Salix lasiolepis Peter Rubtzoff 1975-10-24 8433 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-BC108251  Salix lasiolepis var. bigelovii Peter Rubtzoff; Patricia Fallon 1987-8-26 9846 San Mateo San Bruno Mountains - Main part of Saddle area, at edge of marshy area. Comment
  CAS-BOT-BC124482  Salix lasiolepis var. lasiolepis Walter Knight; Irja Knight 1964-5-4 986 San Mateo Abandoned quarry south side of Colma Creek in Colma Canyon Comment
  CAS-BOT-BC124483  Salix lasiolepis var. lasiolepis Javier Penalosa 1963-3-30 2762 San Mateo Guadalupe Valley Comment
  CAS-BOT-BC124494  Salix lasiolepis var. lasiolepis Margaret A. Barry 1938-5-6 s.n. San Mateo Los Trancos Creek near Coal Mine Ridge Comment
  SBBG1241  Salix lucida subsp. lasiandra J. W. Congdon -Aug-1897 San Mateo Pescadero Comment
  SBBG33942  Salix lucida subsp. lasiandra L. S. Rose 1965-3-8 65002 San Mateo Searsville Lake 121 Comment
  UC5090  Salix scouleriana Harry A. Dutton 1899-12-10 San Mateo above Searsville (on rd. below Buck Horn Ranch) Comment
  CAS-BOT-BC126478  Salix sitchensis W. R. Dudley 1903-5-2 s.n. San Mateo Near Redwood Villa, La Honda Comment
  CAS-BOT-BC126491  Salix sitchensis A. D. E. Elmer 1903-5-1 4917 San Mateo Portola Comment
  CAS-BOT-BC126502  Salix sitchensis W. R. Dudley 1904-3-7 69 San Mateo Bear Gulch, Santa Cruz Mts. 213 Comment
  CAS-BOT-BC126503  Salix sitchensis W. R. Dudley 1903-5-1 s.n. San Mateo Iverson's near Pescadero Creek Comment
  CAS-BOT-BC126515  Salix sitchensis L. R. A. 1902-3-1 2272 San Mateo Kings Mountain Comment
  CDA3229  Salsola soda W. Anderson 1968-8-16 San Mateo West end of Dumbarton Bridge. 0 Comment
  RSA262204  Salsola soda John H. Thomas 1974-10-6 17615 San Mateo San Mateo County. Palo Alto Yacht Harbor near airport. 0 Comment
Read comments
Apr 3 2009
  CAS-BOT-BC176912  Salsola tragus Phillip C. Wheeler 1965-6-19 s.n. San Mateo Brisbane Lagoon Comment
  POM62858  Salvia columbariae Edward L. Greene 1902-4-6 s.n. San Mateo Crystal Springs Lake, San Mateo County. Comment
  SJSU5408  Salvia officinalis A. J. Cortopassi 1959-5-9 San Mateo 2319 Hillside Dr, Burlingame Comment
  UC25752  Salvia spathacea Ivar Tidestrom May 1894 San Mateo Comment
  CAS-BOT-BC246021  Sambucus nigra subsp. caerulea Phillip C. Wheeler 1965-5-12 s.n. San Mateo Ravine at Sierra Point, San Bruno Mountain Comment
  JEPS127879  Sambucus nigra subsp. caerulea Adam C. Schneider 2013-5-17 143 San Mateo Crystal Springs Reservoir Comment
  JROH1671  Sambucus nigra subsp. caerulea John H. Thomas 1973-6-15 16853 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1676  Sambucus nigra subsp. caerulea John Hunter Thomas 1989-5-9 24724 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC204143  Sambucus racemosa var. racemosa A. D. E. Elmer June, 1903 5080 San Mateo Butano Creek Comment
  SEINET13945102 Image available Sanicula arctopoides Lewis S. Rose 1965-1 65012 San Mateo San Bruno Mts, N end. Ca 400 ft 122 Comment
  SEINET13945107 Image available Sanicula arctopoides C. F. Baker 1902-1 425 San Mateo Crystal Springs Lake. Comment
  JROH325  Sanicula bipinnatifida John Hunter Thomas 1977-4-28 18561 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA40105  Sanicula bipinnatifida L. S. Rose 1948-3-31 48033 San Mateo Skyline Blvd. above San Andreas Lake. 152 Comment
  RSA185818  Sanicula crassicaulis John H. Thomas 1958-3-19 7066 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco 30 Comment
  RSA40292  Sanicula crassicaulis L. S. Rose 1948-5-9 48108 San Mateo W. of Burlingame 122 Comment
  POM283188  Satureja douglasii Lyman Benson 1930-5-26 s.n. San Mateo Stanford University. Lake Searsville. 152 Comment
  RSA128598  Satureja douglasii Peter H. Raven 1950-4-30 1988 San Mateo Montara Mountains 122 Comment
  JROH362  Scandix pecten-veneris John Hunter Thomas 1986-5-1 23990 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA134131  Scandix pecten-veneris John H. Thomas 1955-4-6 4830 San Mateo Disturbed ground along San Francisco Bay, about 1 mi. SE of Broadway, Burlingame. 5 Comment
  RSA320754  Schedonorus arundinaceus Robert A. Norris 1984-5-9 4729 San Mateo By Olivet Memorial Park Throughway, Colma. Comment
  JROH4412  Schoenoplectus acutus var. occidentalis W. R. Dudley 1909-10-31 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake Comment
  RSA366009  Schoenoplectus californicus Carolyn Clements s.n. San Mateo San Mateo Comment
  UC840923  Scirpus maritimus Alice Eastwood 1915-6-13 4714 San Mateo Granada Comment
  CAS-BOT-BC111059  Scirpus microcarpus James McMurphy 1909-10-8 s.n San Mateo Gazos Creek Comment
  CAS-BOT-BC111060  Scirpus microcarpus Phillip C. Wheeler 1965-5-18 s.n San Mateo April Brook toward the meadow Comment
  UC1057748  Scoliopus bigelovii F. A. Pitelka 1946-4-13 San Mateo Pilarcitos Lake Comment
  CAS-BOT-BC519010  Scoliopus bigelovii L. R. Abrams 1904-3-7 s. n. San Mateo Bear Gulch, Santa Cruz Mtn. Penn. Comment
  CAS-BOT-BC519018  Scoliopus bigelovii Alice Eastwood 1933-5-31 18842 San Mateo Butano Canon Comment
  POM193871  Scoliopus bigelovii W. R. Dudley 1895-3-5 s.n. San Mateo Kings Mt.; Plants of the Santa Cruz Peninsula. Comment
  RSA3924  Scoliopus bigelovii Le Roy Abrams 1904-3-7 s.n. San Mateo Bear Gulch. Santa Cruz Mountain Peninsula. Comment
  SEINET12050525  Scoliopus bigelovii F. H. Utech 1988-1 88 -041 San Mateo 3.3 mi from junction of Kings Mt Rd & CA 35 on former enroute to Woodside 260 Comment
  SEINET12050532  Scoliopus bigelovii F. H. Utech 1988-1 88 -142 San Mateo 0.5 mi from jct of Kings Mt. Rd & CA 35 on former enroute to Woodside, Skyline Hiking Trail & jct 580 Comment
  CHSC39825  Scrophularia californica Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  JROH4123  Scrophularia californica John H. Thomas 1962-7-15 9917 San Mateo Jasper Ridge Biological Preserve, Stanford University; near northern end of ridge Comment
  POM128330  Scrophularia californica R. L. Pendleton 1907-4-20 602 San Mateo Lake Merced. 30 Comment
  CAS-BOT-BC376418  Scrophulariaceae Greg de Nevers 2001-9-26 12630 San Mateo Palo Alto. Comment
  CAS-BOT-BC59272  Sedum spathulifolium W. R. Dudley 1897-6-4 s.n. San Mateo On rocks by Canyon Camp, W. Waddell Cr. Comment
  CAS-BOT-BC363397  Senecio aronicoides Fred Hemphill 1973-5-6 784 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 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
  RSA0012757  Senecio aronicoides Lyman Benson 1930-5-26 2129 -A San Mateo Stanford University, Lake Searsville. 152 Comment
  CAS-BOT-BC363735  Senecio hydrophilus Alice Eastwood; John Thomas Howell 1938-6-26 6058 San Mateo Near Pescadero Comment
  JROH687  Senecio minimus Toni Corelli 2008-3-9 345 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 13, south of Leonard's Bridge 106 Comment
  CAS-BOT-BC364238  Senecio sylvaticus Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo San Bruno Mountain. East facing slope below parking lot Comment
  CAS-BOT-BC364635  Senecio vulgaris Fred Hemphill 1973-3-17 617 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  JROH1223  Senecio vulgaris John H. Thomas 1967-4-20 12706 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC80293  Sequoia sempervirens C. F. B. 1902-1-15 319 San Mateo West side King's Mountain Comment
  LA6407  Sequoia sempervirens David D. Keck; 1932-2-14 1368 San Mateo Santa Cruz Mountains, La Honda road, E-slope of Coast Range above Searsville Lake 300.0 Comment
  POM176867  Sequoia sempervirens E. G. Dudley 1904-1-21 74 San Mateo Santa Cruz Peninsula: Canada de Raymundo, Santa Cruz Mountains 274 Comment
  CDA43035  Setaria parviflora Eaton 2014-7-6 PDR# 010 P06220324 San Mateo Mapache Drive near Westridge Drive, Portola Valley. 0 Comment
  JROH5464  Setaria viridis John Rawlings 2005-9-28 1008 San Mateo Jasper Ridge Biological Preserve, Stanford University. Corte Madera Creek. 110 Comment
  UC575679  Sidalcea diploscypha Lewis S. Rose 1935-6-9 35211 San Mateo w Redwood City (Emerald Lake); Emerald, w of Redwood City Comment
  OBI48733  Sidalcea malviflora subsp. laciniata S. Bagley 1969-3-28 s.n. San Mateo Near the San Francisco Game Refuge 145 Comment
  POM282902  Sidalcea malviflora subsp. malviflora Lyman Benson 1930-4-6 2044 San Mateo Moss Beach. West slope. 15 Comment
  POM151595  Silene californica A. D. E. Elmer 1903-06 4446 San Mateo Crystal Springs Lake. Comment
  JROH1734  Silene gallica John Hunter Thomas 1977-6-16 18756 San Mateo Jasper Ridge Biological Preserve, Stanford University; near old racing oval Comment
  POM286436  Silene gallica Lyman Benson 1930-5-3 2118 San Mateo Lake Searsville, Stanford Univ. San Francisco Bay watershed, Santa Cruz mtn range. 183 Comment
  CAS-BOT-BC386849  Silene gallica Elizabeth McClintock; David Schooly; Kim Marcus 1975-4-13 s.n. San Mateo San Bruno Mountain, slope above Hillside Blvd., South San Francisco Comment
  JROH5886  Silene gallica Ruth Porter 1998-5-4 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  JROH1727  Silene laciniata subsp. californica Raymond R. White 1974-6-3 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Area H Comment
  CAS-BOT-BC384626  Silene laciniata subsp. californica L. Sigal 1969-7-1 s.n. San Mateo Belmont Comment
  CAS-BOT-BC389891  Silene scouleri subsp. scouleri Phillip C. Wheeler 1965-6-21 s.n. San Mateo San Bruno Mountain. Sierra Point Comment
  CAS-BOT-BC364854  Silybum marianum Elizabeth McClintock; Carlyn Halde; Walter Knight; Walter Knight 1963-6-23 s.n. San Mateo San Bruno Mountain. Lower part of Colma Canyon Comment
  JEPS59180  Silybum marianum James G. Daly 1934-1 461 San Mateo San Gregorio watershed , San Gregorio watershed (Santa Cruz Mts.) Comment
  SEINET3876420  Sisyrinchium bellum Lewis S. Rose 1961-4-5 61031 San Mateo San Bruno Mountains.; 0 366 Comment
  UCSB16303  Sisyrinchium bellum Schulte, John 1963-4-14 San Mateo Jasper Ridge; 3 mi SW of Stanford Campus; between Clara Valley and main front of Santa Cruz Mountains 152 Comment
  UC142705  Smilacina stellata C. F. Baker 1903-4-8 1915 San Mateo San Andreas Lake Comment
  UC844207  Smilacina stellata Lewis S. Rose 1939-4-12 39059 San Mateo Crystal Springs Lake 152 Comment
  JEPS101208  Solanum americanum Dean W. Taylor 1989-8-1 10409 San Mateo Montara Mountain, saddle between North Peak and Montara Knob 518 Comment
  JROH4182  Solanum americanum John Hunter Thomas 1991-11-21 25102 San Mateo Jasper Ridge Biological Preserve, Stanford University. 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
  JEPS12100  Solanum furcatum W. L. Jepson 1923-10-15 10256 San Mateo hills w of colma ( vicinity of San Francisco Bay) Comment
  UC1327228  Solanum furcatum John T. Doyen 1966-3-28 34 San Mateo San Bruno Mountains, near Radio Towers on top San Bruno Mountains Comment
  CAS-BOT-BC166662  Solanum furcatum Peter Rubtzoff 1974-12-17 7941 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction. Comment
  RSA14505  Solanum physalifolium var. nitidibaccatum I. L. Wiggins 1935-8-24 8164 San Mateo Pepper field, about 0.5 mile S of Moss Beach. Comment
  NY820567  Solanum umbelliferum L. S. Rose 1939-2-26 39016 San Mateo Emerald Lake 183 Comment
  LA203952  Solidago elongata Lewis B. Rose; 1931-9-19 San Mateo Kings Mt Comment
  UC1070247  Solidago elongata G. E. Sindel 1935-7-22 292 San Mateo 1/4 mi s Pescadero; Santa Cruz Quad. Comment
  UC1777680  Solidago elongata J. D. Skoss 1948-8-22 121 San Mateo San Vicente Canyon Comment
  CAS-BOT-BC365192  Solidago velutina subsp. californica George Oberlander 1949-7-30 357 San Mateo San Francisco Watershed Reserve. Northern crest of Sawyer Ridge Comment
  JROH1236  Solidago velutina subsp. californica John Hunter Thomas 1989-6-17 24779 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC365926  Soliva sessilis John H. Thomas 1958-3-19 7062 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco 91 Comment
  JROH1252  Soliva sessilis John Hunter Thomas 1989-5-9 24709 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1240  Soliva sessilis John H. Thomas 1965-4-28 10598 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS128402  Sonchus asper subsp. asper Adam C. Schneider 2013-5-17 135 San Mateo Crystal Springs Reservoir. Comment
  JROH1258  Sonchus asper subsp. asper John Hunter Thomas 1981-5-8 20555 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC374710  Sonchus oleraceus Walter Knight; Irja Knight 1964-4-25 691 San Mateo San Bruno Mountain. Upper part of ravine adjacent to Radio Rd. Comment
  JROH5524  Sparganium eurycarpum var. eurycarpum John Hunter Thomas 1979-5-22 19574 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC236628  Spartina foliosa David D. Keck 1931-9-27 1270 San Mateo Dumbarton Bridge Comment
  JROH1747  Spergula arvensis John Hunter Thomas 1983-4-5 21325 San Mateo Jasper Ridge Biological Preserve, Stanford University; low flow crossing Comment
  RSA15628  Spergula arvensis C. B. Wolf 1928-2-16 1476 San Mateo Near Alpine Road. Comment
  UCD99161  Spergula arvensis W. A. Harvey 1948-6-28 1694 San Mateo 1 mile south of town of Half Moon Bay. Comment
  UCD99177  Spergula arvensis J. D. Skoss 1948-7-25 51 San Mateo San Vicente Canyon near Montara. Comment
  JROH1762  Spergularia John Hunter Thomas 1983-4-3 21309 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lab Comment
  CAS-BOT-BC390206  Spergularia bocconi Elizabeth McClintock; Paul Reeberg 1988-6-7 s.n. San Mateo San Bruno Mountains. P.G.&E. Marsh Comment
  JROH5559  Spergularia bocconi Herb Dengler 1965-4-18 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; top of Jasper Ridge on "road" about 150 feet out of blue oaks into meadow above Hodge Spring Comment
  RSA0098757  Spergularia macrotheca E. B. Copeland 1903-6-5 3317 San Mateo Montara Point. Comment
  CAS-BOT-BC390465  Spergularia macrotheca var. macrotheca Ira L. Wiggins 1938-7-9 8932 San Mateo Cliffs near Pigeon Point light house Comment
  CAS-BOT-BC390921  Spergularia marina Javier Penalosa 1963-3-30 2768 San Mateo San Bruno Mountain. Guadalupe Valley 30 Comment
  RSA131277  Stachys ajugoides L. R. Abrams 1915-6-7 5244 San Mateo Woodside to Crystal Springs Road. Comment
  SEINET13947993 Image available Stachys ajugoides Lewis S. Rose 1956-1 56112 San Mateo Skyline Blvd. Hills W of San Mateo, alt ca 600 ft 183 Comment
  RSA116741  Stachys bullata Josephine Randall 1907-6-8 187 San Mateo Portola Valley. Santa Cruz Peninsula. Comment
  UC1124917  Stachys bullata N. K. Carlson 1935-7-5 32 San Mateo 3 mi s Bellvale; Santa Cruz Quadrangle Comment
  UC25935  Stachys bullata J. Burtt Davy Jun 21 1893-Jun 23 1893 1141 San Mateo Pilarcitos Lake and Canyon Comment
  UCR121546  Stachys bullata George K. Helmkamp, E. A. Helmkamp 1999-6-28 4962 San Mateo Coast Range; Santa Cruz Mtns, Sky Londa; junction of Calif. Hwy 84 and Calif. Hwy 35, 5 mi south of central Redwood City 457 Comment
  HSC23911  Stachys bullata Mary Katherine Wicksten 1971-6-15 51 San Mateo Huddart Park near residence Comment
  JROH2900  Stachys bullata Herb Dengler 1972-5-28 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; above (W.) of junction of S.F. and Bear Creeks Comment
  RSA116738  Stachys bullata W. R. Dudley 1894-7-7 s.n. San Mateo Bear Gulch Road. The Santa Cruz Mtn Peninsula. Comment
  SEINET12343829  Stachys bullata L. S. Rose 1932-5-3 32215 San Mateo San Bruno 183 Comment
  SJSU15310  Stachys bullata Vince Ortisi 1975-9-27 3 San Mateo Saunders Shingle Mill (historical marker) off Tunitus Creek road. 457 Comment
  JEPS82914  Stachys pycnantha Roy E. Buck and Randall A. Morgan 1983-6-7 334 San Mateo San Francisco Watershed Reserve; in triangle of Edgewood and Canada Rds and Hwy I-280 152 Comment
  POM204001  Stachys pycnantha L. S. Rose 1934-5-27 s.n. San Mateo Emerald Lake. Comment
  NY415794  Stachys quercetorum A. A. Heller 1907-5-28 8577 San Mateo Above Crystal Springs on the Half Moon Bay road Comment
  CDA41578  Stachys rigida A. Gilbert 1997-6-8 s.n. San Mateo San Francisco Bay Area; La Honda. 0 Comment
  CDA38721  Stachys rigida subsp. quercetorum D. G. Kelch, David Gernandt, Steffi Ickert-Bond, Yingli Guo 2011-4-22 11 .17 San Mateo Swanton Rd just S of Ano Nuevo above Weddell Creek. Comment
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Sep 25 2021
  RSA218025  Stachys rigida subsp. quercetorum Elizabeth McClintock, Carlyn Halde 1963-6-23 s.n. San Mateo East-facing slope below parking lot, San Bruno Mountain Comment
  CAS-BOT-BC5590  Stachys rigida var. quercetorum A. A. Heller 1907-5-28 8577 San Mateo Above Crystal Springs on the Half Moon Bay road 137 Comment
  RSA478185  Stellaria media Glenn A. Gorelick 1967-4-15 s.n. San Mateo San Bruno Mountains, overlooking Daly City near San Francisco. Comment
  CAS-BOT-BC394065  Stellaria media Robert Martineau 1974-3-27 11 San Mateo Foothills of the eastern side of the Santa Cruz Mountains. Five miles south of center of Palo Alto; Foothill Park, Palo Alto 548 Comment
  JROH1785  Stellaria media John Hunter Thomas 1981-4-23 20492 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC398981  Stellaria nitens George Oberlander 1950-3-11 446 San Mateo Top of Sawyer Ridge Comment
  UC1536756  Stephanomeria elata G. H. True Jr. 1937-7-31 830 San Mateo near Skyline Blvd. (Alpine Road) 182 Comment
  CAS-BOT-BC375912  Stephanomeria virgata Margaret A. Barry 1937-7-17 200 San Mateo Coal Mine Ridge Comment
  RSA18514  Stephanomeria virgata C. B. Wolf 1927-7-14 606 San Mateo Summit of Kings Mountain Rd. Comment
  JROH5322  Stipa lepida John H. Thomas 1967-5-31 12944 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5748  Stipa pulchra M. Ray 1982-5-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Near the Whiskey Hill Gate Comment
  UCD138364  Stuckenia pectinata Malcolm A. Nobs; S. Galen Smith 1949-8-25 1552 San Mateo Sharp Park. Comment
  POM149358  Stylomecon heterophylla A. D. E. Elmer 1903-04 4921 San Mateo Spanishtown Comment
  SD38068  Stylomecon heterophylla Marie Cummings 1933-5-8 80 San Mateo Steven's Creek. Comment
  CAS-BOT-BC271641  Symphoricarpos albus var. laevigatus J. I. McMurphy 1906-5-8 75 San Mateo Woodside, Santa Cruz Mts., Santa Cruz Mountain Peninsula 152 Comment
  UC527526  Symphoricarpos albus var. laevigatus C. B. Wolf 1931-8-20 San Mateo 2 mi back Stanford University (near Schenkel's Camp, Los Trancos Creek); Los Trancos Creek 91 Comment
  RSA246190  Symphoricarpos albus var. laevigatus E. K. Balls 1965-9-18 12170 San Mateo 1 mile W from Skywood along Hwy 81 from Woodside to junction with Hwy 35. Comment
  CAS-BOT-BC237066  Symphoricarpos mollis Phillip C. Wheeler 1965-4-27 s.n. San Mateo Live Oak Canyon, San Bruno Mountain Comment
  CAS-BOT-BC99061  Symphyotrichum chilense Walter Knight; Irja Knight; Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo San Bruno Mountain - Lower part of Colma Canyon Comment
  CAS-BOT-BC99063  Symphyotrichum chilense Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountain - Dairy Ravine across road from KQED radio tower Comment
  CAS-BOT-BC99083  Symphyotrichum chilense Le Roy Abrams 1900-10-1 1042 San Mateo Portola Comment
  JEPS20079  Symphyotrichum subspicatum Peter H. Raven 1957-9-1 11294 San Mateo 1.1 mi s of, Pigeon Point Lighthouse Comment
  UC1536888  Symphyotrichum subspicatum G. H. True Jr. 1936-6-14 507 San Mateo in canyon s of Salada Beach 304 Comment
  SJSU11814  Symphyotrichum subspicatum R. R. Regnart 1961-5-7 San Mateo by Purissima Creek Road by Purissima Creek 0.5 mi E of Purissima Comment
  RSA0036456  Taraxacum officinale Peter Rubtzoff 1977-4-14 8943 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction. East Fork Colma Creek canyon area at the NW corner of Fog Forest, San Bruno Mountains. Comment
  CHSC1159  Taraxia ovata M. Harless 1930-5-2 San Mateo Moss Beach. Comment
  UC20515  Taraxia ovata J. Burtt Davy 1895-4-20 1018 San Mateo Millbrae Comment
  SD39526  Taraxia ovata Edith A. Purer 1933-4-18 3623 San Mateo Woodside Road. Comment
  UC875689  Tauschia kelloggii Lewis S. Rose 1939-5-5 39092 San Mateo San Mateo Canyon 45 Comment
  CAS-BOT-BC447468  Tellima grandiflora A. D. E. Elmer 1903-6-1 4702 San Mateo Pescadero Comment
  CAS-BOT-BC447479  Tellima grandiflora Margaret A. Barry 1938-5-29 261 San Mateo Corte Madera Creek near Coal Mine Ridge Comment
  UCR56173  Tellima grandiflora Ray Langham 1966-4-3 135 San Mateo [NW] of La Honda, King's Grove [apparently vicin. of Tunitas Creek Rd., Mitchell Creek drainage] 229 Comment
  RSA127726  Tetragonia tetragonoides John H. Thomas 1959-7-8 8015 San Mateo Low moist coastal bluffs at Pescadero Beach. Comment
  JROH3505  Thalictrum fendleri var. polycarpum Daniel Cohen 1953-4-11 14 A San Mateo Jasper Ridge Biological Preserve, Stanford University. Growing near roadside at edge of Searsville Lake Comment
  JROH3512  Thalictrum fendleri var. polycarpum John Hunter Thomas 1981-4-21 20463 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC399851  Thalictrum polycarpum C. F. Baker 1902-5-1 692 San Mateo Crystal Springs Lake Comment
  POM16722  Thermopsis californica var. californica A. D. E. Elmer 1903-05 4824 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC66676  Thysanocarpus curvipes Margaret A. Barry 1937-4-21 18 San Mateo On Coal Mine Ridge. Comment
  JROH1609  Thysanocarpus curvipes John Hunter Thomas 1986-5-1 23993 San Mateo Jasper Ridge Biological Preserve, Stanford University; near old gate and fence (which has now been removed) Comment
  CAS-BOT-BC447581  Tiarella trifoliata var. unifoliata L. R. Abrams 1907-8-26 s.n. San Mateo Spring near King's 762 Comment
  RSA17959  Tiarella trifoliata var. unifoliata L. A. Waitzinger 1927-8-14 722 San Mateo Islam Camp near La Honda. Santa Cruz Mts. Comment
  HSC23958  Torilis nodosa Mary Katherine Wicksten 1971-6-17 62 San Mateo Huddart Park, above Redwood Shelter Comment
  JROH389  Torilis nodosa John Hunter Thomas 1983-4-28 21784 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH403  Torilis nodosa John Hunter Thomas 1989-5-9 24697 San Mateo Jasper Ridge Biological Preserve, Stanford University; near old shack riders shack Comment
  CAS-BOT-BC172904  Toxicodendron diversilobum C. F. Leitholt 1901-3-16 s.n. San Mateo Los Trancos Creek, near Stanford University Comment
  CAS-BOT-BC377135  Tragopogon porrifolius J. H. Thomas 1958-10-28 7493 San Mateo Near intersection of Bayshore highway and Main Street. Redwood City Comment
  JROH4296  Tribulus terrestris Toni Corelli 2005-9-14 305 a San Mateo Jasper Ridge Biological Preserve, Stanford University; along road B just west of entrance to Dennis Martin marker site 168 Comment
  JROH5897  Trientalis latifolia M. Ray 1982-5-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail by San Francisquito Creek, near Redwoods Comment
  UCD117573  Trientalis latifolia D. H. Hartmann 1941-4-26 s.n. San Mateo west of Palo Alto. Comment
  UCSC010359  Trifolium Dylan M. Neubauer 2016-5-19 690 San Mateo (SnFrB) Santa Cruz Mountains, headwaters of Waterman Creek, w of Hwy 9 423 Comment
  RSA40289  Trifolium albopurpureum L. S. Rose 1948-5-16 48114 San Mateo Emerald Lake, west of Redwood City. 152 Comment
  CAS-BOT-BC157982  Trifolium amplectens Peter Rubtzoff; Barbara Deutsch 1979-5-27 9285 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction Comment
  SJSU7966  Trifolium amplectens var. stenophyllum E. C. Garbett 1960-4-13 92 San Mateo W of Skyline Blvd, 3 mi N of its junction with Page Mill Rd Comment
  JROH2241  Trifolium barbigerum John H. Thomas 1974-4-25 17202 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge Comment
  UC165524  Trifolium barbigerum J. Burtt Davy 1895-1 1015 San Mateo Pilacitos Comment
  POM278010  Trifolium bifidum Lyman D. Benson 1935-5-5 6523 San Mateo Lake Searsville 152 Comment
  UC575709  Trifolium bifidum var. decipiens Lewis S. Rose 1935-5-1 35134 San Mateo Redwood City Comment
  UCD107907  Trifolium bifidum var. decipiens Lewis S. Rose 1966-5-2 66035 San Mateo Emerald Lake, west of Redwood City. 91 Comment
  UCSC005926  Trifolium buckwestiorum Randall Morgan 1996-5-18 2955 San Mateo Seed from Coal Mine Ridge Comment
  SBBG33500  Trifolium ciliolatum A. D. E. Elmer -May-1903 San Mateo Portola Comment
  SEINET12157184  Trifolium ciliolatum Unknown 1932-1 9015 San Mateo Los Francos Woods Comment
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Nov 1 2021
  JROH2272  Trifolium depauperatum var. truncatum John H. Thomas 1973-4-14 16567 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2230  Trifolium dichotomum John H. Thomas 1964-4-19 10319 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2233  Trifolium dichotomum John H. Thomas 1975-4-19 17797 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2295  Trifolium fucatum John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2300  Trifolium fucatum John Hunter Thomas 1983-4-21 21639 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SBBG3006  Trifolium fucatum L. S. Rose 1935-5-4 San Mateo open hills, Burlingame Comment
  UC16515  Trifolium fucatum J. Burtt Davy 1893-6-17 769 San Mateo Belmont Comment
  JROH2317  Trifolium gracilentum John H. Thomas 1971-4-24 15776 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SBBG39488  Trifolium hirtum L. S. Rose 1970-4-23 San Mateo Skyline Blvd, W of San Mateo 121 Comment
  UCD111197  Trifolium hirtum John Thomas Howell 1966-5-8 41530 San Mateo At junction of Millbrae Ave. and Bayshore Freeway, Millbrae. Comment
  UCD111316  Trifolium macraei June McCaskill 1954-5-8 292 San Mateo Moss Beach. Comment
  UCSC005900  Trifolium macraei Randall Morgan 1996-5-24 2966 San Mateo Pacifica, From Montara Mtn. Comment
  UC204263  Trifolium microdon A. D. E. Elmer June 1903 4628 San Mateo Portola Comment
  JROH5592  Trifolium oliganthum John Rawlings 2013-4-19 1165 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 11 in chaparral. 144 Comment
  POM278622  Trifolium oliganthum Lyman D. Benson 1935-5-5 6525 San Mateo Lake Searsville. Stanford University. Santa Cruz Mtn range. S.F. Bay watershed. 152 Comment
  UCD109275  Trifolium oliganthum R. Tofsrud 1952-1 2 San Mateo Near Foster. Comment
  UCSC006059  Trifolium oliganthum Randall Morgan 1996-5-24 2972 San Mateo Pescadero Creek Comment
  UC2048923  Trifolium suffocatum Neal Kramer 2016-4-9 2169 a San Mateo Pescadero State Beach Parking Area. Comment
  JROH2375  Trifolium variegatum John H. Thomas 1956-4-7 5606 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent slopes Comment
  OBI75561  Trifolium variegatum Lewis S. Rose 1937-5-2 37251 San Mateo Burlingame 91 Comment
  UC867032  Trifolium variegatum T. R. Abrams 1915-6-14 5564 San Mateo Kings Mtn Rd Comment
  UC165589  Trifolium variegatum var. melananthum J. Burtt Davy 1895-1 1027 San Mateo Pilarcitos Comment
  JROH2392  Trifolium willdenovii G. C. Kimber & Lucile Roush 1918-5-2 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2401  Trifolium willdenovii John H. Thomas 1971-4-24 15777 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2414  Trifolium willdenovii Carol Zabel 1989-4-19 13 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU15438  Trifolium willdenovii Toni Corelli 2010-5-13 605 San Mateo Pedro Point Headlands, Pacifica CA; along Arroyo Trail. 170 Comment
  POM226853  Trifolium willdenovii L. R. Abrams 1914-4-2 5075 San Mateo Menlo Heights. Comment
  POM278617  Trifolium willdenovii Lyman D. Benson 1930-5-1 2057 San Mateo Stanford Univ.; San Lorenzo mt. range. 122 Comment
  RSA46808  Trifolium willdenovii Doris K. Kildale 1929-6-19 8010 San Mateo 1.5 miles from La Honda. Comment
  UCSC005901  Trifolium willdenovii Randall Morgan 1996-5-24 2971 San Mateo Pescadero Creek Comment
  CHSC39828  Trifolium wormskioldii Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  POM20402  Trifolium wormskioldii A. D. E. Elmer 1903-04 4858 San Mateo Lake San Andreas Comment
  RSA51346  Trifolium wormskioldii Peter H. Raven 1950-4-30 s.n. San Mateo Up a road about 1/2 mile N of Montara. 30 Comment
  JROH4728  Trillium chloropetalum John H. Thomas 1976-4-2 18075 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC142121  Trillium chloropetalum Michener and Bioletti March, 1893 San Mateo near Colma Comment
  UC4021  Trillium chloropetalum Michener and Bioletti Mar 1893 4 San Mateo near Colma 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-BC521068  Trillium chloropetalum var. giganteum C. F. B. 1902-3-30 431 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC521072  Trillium chloropetalum var. giganteum Margaret A. Barry 1937-4-21 13 San Mateo Woods on Coal Mine Ridge Comment
  CAS-BOT-BC521206  Trillium chloropetalum var. giganteum C. F. Leithold 1894-3-26 s.n. San Mateo Santa Cruz Peninsula: Lobitos Creek Comment
  SEINET3888575  Trillium chloropetalum var. giganteum D. D. Keck 1932-3-6 1394 San Mateo La Honda road above Searsville Lake, Santa Cruz Mountains, San Mateo County.; 0 Comment
  CAS-BOT-BC133430  Trillium ovatum George Oberlander 1950-3-11 455 San Mateo Pilarcitos Canyon Comment
  RSA134119  Trillium ovatum John H. Thomas 1954-4-3 3822 San Mateo Along San Gregorio Creek about 1.5 miles west of La Honda. 107 Comment
  UC142146  Trillium ovatum Dr. E. L. Greene 1902-3-18 329 San Mateo West side King's Mountain, San Mateo County Comment
  SEINET5577548  Triphysaria eriantha H. S. Gentry 1931-1 73 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  CAS-BOT-BC238561  Triphysaria floribunda L. S. Rose 1927-5-1 s.n. San Mateo San Mateo Comment
  CAS-BOT-BC238577  Triphysaria floribunda M. K. C. 1886-5-1 68 San Mateo Colma Comment
  UCR139346  Triphysaria floribunda David D. Keck 1932-5-6 1471 San Mateo San Francisco Bay Region, 1 mi south of San Mateo on Highway US 101 61 Comment
  JROH4136  Triphysaria pusilla John H. Thomas 1966-4-22 11572 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4140  Triphysaria pusilla John H. Thomas 1978-4-8 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC200080  Trisetum canescens W. R. Dudley 1894-5-1 s.n. San Mateo Woodside to Crystal Springs Lake Comment
  UCD93599  Trisetum canescens P. B. Kennedy 1916-4-1 s.n. San Mateo Daly City, Colma Canyon, S San Francisco. Comment
  UC635229  Triteleia hyacinthina Margaret Stason 1924-5-18 San Mateo Jasper Ridge Sandhill Road Comment
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Sep 19 2011
  SD39086  Triteleia hyacinthina Marie Cummings 1933-5-10 96 San Mateo Portola Road. Comment
  SEINET182864 Image available Triteleia hyacinthina John Campbell 1925-4-12 San Mateo Burlingame Comment
  JROH4742  Triteleia ixioides subsp. ixioides John Rawlings 2011-6-22 1070 San Mateo Jasper Ridge Biological Preserve, Stanford University. North side of ridge down slope from Escobar Gate. 130 Comment
  CAS-BOT-BC523099  Triteleia ixioides subsp. ixioides J. H. Thomas 1949-5-7 504 San Mateo King's Mountain Comment
  CAS-BOT-BC526101  Triteleia ixioides subsp. ixioides L. R. Abrams 1907-8-26 s.n. San Mateo Kings Mountain Comment
  RSA18293  Triteleia ixioides subsp. ixioides Carl B. Wolf 1927-6-21 424 San Mateo East slope of Kings Mt. Comment
  RSA18364  Triteleia ixioides subsp. ixioides Carl B. Wolf 1929-5-24 3724 San Mateo 1/4 mile north of base of La Honda Grade on Woodside road Comment
  JROH4750  Triteleia laxa John H. Thomas 1974-5-29 17400 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4753  Triteleia laxa John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA18305  Triteleia laxa Carl B. Wolf 1927-5-31 411 San Mateo North end of Searsville Lake. Comment
  CAS-BOT-BC526365  Triteleia laxa Philip C. Wheeler 1965-6-21 s.n. San Mateo Sierra Point, San Bruno Mountain Comment
  IRVC9055  Triteleia laxa P. W. Rundel 1963-6-11 1118 San Mateo San Fransisco Bay drainage area; Old La Honda Road. Santa Cruz Mountain Range 305 Comment
  CAS-BOT-BC527392  Triteleia peduncularis Susan Sommers 1980-5-30 s.n. San Mateo Edgewood site, flat zone below hill with serpentine outcrops Comment
  IRVC12855  Triteleia peduncularis Lora Epstein 1967-5-26 43 San Mateo On Woodside Road; 1.5 mi. N of jct with Ridgeway Drive. Comment
  POM273891B  Tropidocarpum gracile Lyman Benson 1930-5-1 2047 San Mateo Stanford University. Mt. Range: San Lorenzo. 122 Comment
  SEINET7951747 Image available Typha angustifolia I. L. Wiggins 1929-7-4 3803 San Mateo near Pescadero Beach Comment
  UC1241808  Typha angustifolia Malcolm A. Nobs and S. Galen Smith 1949-8-25 1556 San Mateo marshes at Sharp Park; marshes at Sharp Park Comment
  POM282152  Typha latifolia Lyman Benson 1931-5-29 2809 San Mateo Santa Cruz Mt. Range, Lake Searsville, upper end of lake. 244 Comment
  CAS-BOT-BC212677  Ulex europaeus Phillip C. Wheeler 1965-5-17 s.n. San Mateo In Crocker Hills near Cow Palace Comment
  JROH4219  Ulmus minor John Hunter Thomas 1977-6-16 18804 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM177516  Umbellularia californica Harry A. Dutton 1900-2-18 s.n. San Mateo Woodside. 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
  CAS-BOT-BC382762  Uropappus lindleyi unspecified Ap-- s.n. San Mateo San Mateo, San Bruno Mts Comment
  JROH1299  Urospermum picroides John Rawlings 2007-8-29 1041 San Mateo Jasper Ridge Biological Preserve, Stanford University. San Francisquito Creek bed at entry point from Dennis Martin site. 71 Comment
  JROH4239  Urtica dioica subsp. holosericea John Hunter Thomas 1989-6-6 24766 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC404023  Urtica dioica subsp. holosericea Mrs. E. C. Sutliffe 1933-7-12 s.n. San Mateo Alpine Creek Road, Skyline Blvd. to La Honda Comment
  CAS-BOT-BC199351  Vaccinium ovatum Elmer I. Applegate 1895-3-9 307 San Mateo Summit Springs, Santa Cruz Mountains, road to La Honda Comment
  CAS-BOT-BC199371  Vaccinium ovatum A. D. E. Elmer 1903-4-1 4561 San Mateo King's [Kings] Mountain Comment
  HSC98190  Vaccinium ovatum L. S. Rose 1969-3-27 69007 San Mateo Kings Mountain Road, 4 mi. W of Woodside 305 Comment
  POM216297  Vaccinium ovatum D. D. Keck 1933-5-11 2302 San Mateo Montara Summit, Montara Mountain. Comment
  RSA624004  Vaccinium ovatum James I. McMurphy 1906-5-20 79 San Mateo Kings Mountain, Santa Cruz Mts. 457 Comment
  RSA112363  Vaccinium parvifolium W. R. Dudley 1903-5-2 s.n. San Mateo Iverson's, Pescadero Creek. Comment
  RSA187270  Vaccinium parvifolium W. R. Dudley 1908-5-2 s.n. San Mateo Iverson's, upper Pescadero Creek. Comment
  CAS-BOT-BC76144  Vancouveria planipetala A. D. E. Elmer 1903-5-1 4922 San Mateo Iverson's Place. Pescadero Creek. Comment
  POM272218  Vancouveria planipetala Lyman Benson 1931-5-10 2795 San Mateo Woodside, Santa Cruz Mountains. 244 Comment
  CDA40703  Verbena lasiostachys var. lasiostachys C. M. Sill 1961-7-1 s.n. San Mateo Laurel School, Menlo Park. 0 Comment
  JROH4260  Verbena lasiostachys var. lasiostachys John H. Thomas 1974-6-30 17467 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near the low flow crossing Comment
  UC112848  Veronica americana Katharine Brandegee July 1908 San Mateo near San Pedro Comment
  UC1192052  Veronica americana Malcolm A. Nobs, S. Galen Smith 1949-8-25 1551 San Mateo Sharp Park Comment
  JROH4152  Veronica persica John H. Thomas 1964-4-11 10308 San Mateo Jasper Ridge Biological Preserve, Stanford University; to the nw of the dam Comment
  RSA397993  Vicia gigantea Emery M. Whilton 1935-2-23 s.n. San Mateo Near Mussel Rock Comment
  UCR101650  Vicia sativa George K. Helmkamp, E. A. Helmkamp 1998-5-16 3749 San Mateo Portola Valley, Golden Hills Rd along Los Trancos Creek 107 Comment
  CAS-BOT-BC157965  Vicia sativa Peter Rubtzoff 1976-6-30 8709 San Mateo San Bruno Mountains. Saddle area on N side of Guadalupe Canyon Parkway west of Radio Road junction, upper part of East Fork Colma Creek Canyon Comment
  CAS-BOT-BC173652  Vicia sativa Peter Rubtzoff 1976-5-22 8552 San Mateo Saddle area on N side of Guadalupe Canyon Parkway west of Radio Road junction, near marshy area NW of Fog Forest Comment
  RSA187266  Vicia sativa John H. Thomas 1960-6-25 8793 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
  JROH2434  Vicia sativa subsp. nigra John H. Thomas 1971-4-3 15744 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2447  Vicia sativa subsp. sativa John Hunter Thomas 1981-4-30 20516 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA5531  Vinca major T. C. Fuller 1960-4-2 4065 San Mateo Skyline Boulevard, Woodside. 0 Comment
  CAS-BOT-BC264043  Viola adunca Catherine A. Toschi 1963-3-17 63 :70 San Mateo San Bruno Mountain. NE slope below radio station Comment
  CAS-BOT-BC264049  Viola adunca Robert Robertson 1954-5-1 121 San Mateo At Pebble Beach 9 Comment
  CAS-BOT-BC264035  Viola adunca W. R. Dudley 1894-3-24 s.n. San Mateo Field E of Pebbly Beach, Pescadero Comment
  CHSC56604  Viola glabella Steven Triano 1988-5-24 169 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
  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
  CAS-BOT-BC536829  Viola glabella Brandegee no date on label s.n. San Mateo San Gregorio Redwoods Comment
  PASA1525  Viola glabella San Mateo Kings Mt. Comment
  RSA181578  Viola ocellata E. A. McGregor 1908-3-28 s.n. San Mateo Kings Mt. Comment
  HSC23943  Viola ocellata Mary Katherine Wicksten 1971-6-17 48 San Mateo Huddart Park; above Oak Area Comment
  RSA412720  Viola pedunculata Glenn A. Gorelick 1967-4-15 s.n. San Mateo San Bruno Mts. overlooking Daly City near San Francisco. Comment
  RSA412722  Viola pedunculata Glenn A. Gorelick 1967-4-14 s.n. San Mateo San Bruno Mountains, overlooking Daly City near San Francisco. Comment
  SBBG32255  Viola pedunculata L. S. Rose 1968-3-26 68010 San Mateo S base of San Bruno Mtn; South San Francisco 30 Comment
  SEINET191584 Image available Viola pedunculata L. S. Rose 1941-3-20 41047 San Mateo Milbrae 122 Comment
  POM128418  Viola sempervirens L. R. Abrams 1902-6-7 2260 San Mateo King's Mountain. Comment
  UC581490  Viola sempervirens Lucile Roush March 19