Search Results — 2000 specimen records retrieved (1337 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/consortium/).
 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
  SEINET11941811  Abronia latifolia Unknown 1932-1 9119 San Mateo Half Moon Bay Comment
  SEINET11941813  Abronia latifolia M. T. Doutt 1931-1 190 San Mateo Ano Nuevo Pt Comment
  NY679494  Abronia umbellata C. F. Baker 1902-10-1 1742 San Mateo Pillar Point. Comment
  UC577087  Abronia umbellata Lewis S. Rose 1935-10-12 35654 San Mateo Salada 3 Comment
  CAS-BOT-BC451123  Acaena pinnatifida var. californica George Oberlander 1950-5-6 876 San Mateo Grassland about San Andreas Lake; San Francisco Watershed Reserve Comment
  CAS-BOT-BC451132  Acaena pinnatifida var. californica W. R. Dudley 1902-5-11 s.n. San Mateo Near Colma; Santa Cruz Peninsula Comment
  POM308816  Acaena pinnatifida var. californica I. L. Wiggins 1942-5-26 10096 San Mateo 2.5 miles S of Pescaderon, on the old Coast road Comment
  CAS-BOT-BC219608  Acanthomintha duttonii L. R. Abrams 1920-6-1 7500 San Mateo Santa Cruz Mountain Peninsula. Back of Redwood City Comment
  LA55133  Acanthomintha ilicifolia Harry A. Dutton; Harriet A. Walker 1915-5-29 3819 San Mateo near the Menlo Golf Club Comment
Read comments
Jul 30 2017
  POM294370  Acanthomintha obovata subsp. duttonii Dutton, Walker 1915-1 s.n. San Mateo Menlo Park Comment
  RSA0076539  Acanthomintha obovata subsp. duttonii Paul R. Hichborn 1920-6-1 s.n. San Mateo Back of Redwood City. Comment
  CAS-BOT-BC333291  Acer macrophyllum A. D. E. Elmer 1903-5-1 4509 San Mateo Portola Comment
  CAS-BOT-BC333293  Acer macrophyllum George Oberlander 1950-4-2 583 San Mateo San Francisco Watershed Reserve. South, Lake Pilarcitos Comment
  JROH158  Acer macrophyllum John H. Thomas 1975-6-5 17948 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below Searsville Dam 91 Comment
  JROH167  Acer negundo John H. Thomas 1968-3-17 14175 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake 106 Comment
  CAS-BOT-BC336919  Acer negundo var. californicum C. F. Baker 1902-4-6 472 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC21590  Achillea millefolium H. A. Dutton 1900-2-1 s.n. San Mateo Woodside Serpentine Comment
  CAS-BOT-BC21593  Achillea millefolium Javier Penalosa 1963-3-30 2750 San Mateo North of Randolph Drive at Hillside Blvd. in SSF 289 Comment
  JROH5896  Achillea millefolium M. Ray 1982-5-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trailside near Whiskey Hill Gate 180 Comment
  SJSU8173  Achillea millefolium R. J. Plant 1965-10-23 San Mateo San Gregorio Beach Comment
  UCD18525  Achillea millefolium June McCaskill 1954-5-8 300 San Mateo Moss Beach. Comment
  SEINET10758616  Achillea millefolium Thomas B. Croat 1966-6-20 Croat 1997 San Mateo 1 mile N of Montara, sandy banks along Pacific. Comment
  POM284475  Achyrachaena mollis Arthur L. Cohen 1935-4-21 625 San Mateo Jasper Ridge; Mt.Range: Coast; Watershed: Searsville. 183 Comment
  CAS-BOT-BC29102  Achyrachaena mollis Elizabeth McClintock 1978-4-24 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  SBBG34038  Acmispon americanus L. S. Rose 1964-9-5 64071 San Mateo Emerald Lake, W of Redwood City 243 Comment
  JROH2064  Acmispon americanus var. americanus Carol Zabel 1989-9-4 37 San Mateo Jasper Ridge Biological Preserve, Stanford University; "Assembly area" by old docent center Comment
  UC2049889  Acmispon brachycarpus H. W. Johansen 1958-5-18 44 San Mateo Jones Gulch, 5 miles S of La Honda. Comment
  SEINET957844  Acmispon brachycarpus A. D. E. Elmer 1903-1 3698 San Mateo Leland Stanford universoty. Belmont. Comment
  JROH2053  Acmispon parviflorus G. C. Kimber & Lucile Roush 1918-4-11 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2093  Acmispon wrangelianus John H. Thomas 1966-4-24 11578 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM270478  Actaea rubra subsp. arguta Lyman Benson 1937-7-15 8450 San Mateo Upper San Francisquito Creek, Santa Cruz Mountains; San Francisco Bay watershed. 244 Comment
  RSA176544  Actaea rubra subsp. arguta John H. Thomas 1963-5-6 10062 San Mateo Summit of La Honda Road at Skyline Blvd. 610 Comment
  CAS-BOT-BC139952  Adenostoma fasciculatum Fred Hemphill 1973-4-22 744 San Mateo San Carlos, area north of Malabar Rd. and Melendy Dr. 207 Comment
  SEINET191610  Adenostoma fasciculatum Lewis S. Rose 1941-6-12 41270 San Mateo Hills of Redwood City Emerald Lake. 122 Comment
  JROH3590  Adenostoma fasciculatum var. fasciculatum John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS59980  Adiantum aleuticum John D. Daly 1934-1 432 San Mateo upper Corte de Madera Canyon Corte de Madera Canyon Comment
  JROH93  Adiantum jordanii John Hunter Thomas 1982-11-8 21257 D San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH2707  Aesculus californica John H. Thomas 1971-5-30 15972 San Mateo Jasper Ridge Biological Preserve, Stanford University 120 Comment
  RSA131266  Aesculus californica Lucile Roush 1917-6-3 s.n. San Mateo Jasper Ridge, Santa Cruz Mountain Peninsula. Comment
  UCSB17806  Aesculus californica Schulte, John 1963-4-26 San Mateo Jasper Ridge, 3 miles SW of Stanford Campus, between Santa Clara Valley and Santa Cruz Mountains 137 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
  SEINET196521 Image available Agoseris grandiflora W. A. Harvey, J. M. Tucker 1948-6-29 1707 San Mateo Portola State Park ; Road to Portola State Park just west of junction with Highway 5 (Skyline Boulevard). Comment
  CAS-BOT-BC22976  Agoseris grandiflora var. grandiflora David D. Keck 1932-5-6 1460 San Mateo Belmont Comment
  CAS-BOT-BC23020  Agoseris grandiflora var. grandiflora Alice Eastwood 1915-6-13 4718 San Mateo Granada Comment
  CAS-BOT-BC23025  Agoseris grandiflora var. grandiflora George Oberlander 1949-7-30 333 San Mateo Grassland near San Andreas Lake Comment
  CAS-BOT-BC23017  Agoseris grandiflora var. grandiflora A. G. Vestal 1926-5-29 s.n. San Mateo San Bruno Mt north end Comment
  CAS-BOT-BC23023  Agoseris grandiflora var. grandiflora E. McClintock; Phillip Wheeler 1965-5-23 s.n. San Mateo Top of ridge, east of Nike station Comment
  CAS-BOT-BC15246  Agoseris hirsuta John Thomas Howell 1924-10-19 693 San Mateo Daly City Comment
  RSA116783  Agoseris hirsuta W. R. Dudley 1901-5-11 s.n. San Mateo Near Colma Comment
  RSA18496  Agoseris hirsuta C. B. Wolf 1927-7-14 624 San Mateo 1 mile south of summit of Kings Mt on Skyline Drive. Comment
  CAS-BOT-BC376133  Agrostis Ricardo Villasenor, Jr. 1993-7-1 s.n. San Mateo San Francisco International Airport, west of Hwy. 101 Comment
  SEINET3916034  Agrostis californica Beecher Crampton 1962-6-11 6489 San Mateo Northern city limits of Pacifica, along State Highway 1, just southwest of its junction with Skyline Boulevard.; 0 Comment
  JROH5601  Agrostis capillaris John Rawlings 2013-6-26 1204 San Mateo Jasper Ridge Biological Preserve, Stanford University. A few meters from the semaphore grass vernal depression west of Rd. C 121 Comment
  SEINET10790038  Agrostis exarata var. monolepis Edwin B. Copel 1903-8-13 Copeland 3308 San Mateo Montara Point. Comment
  POM199091  Agrostis hallii A. D. E. Elmer 1903-06 4264 San Mateo Alpine School House. Comment
  JROH4801  Agrostis pallens John Rawlings 2010-6-23 0992 San Mateo Jasper Ridge Biological Preserve, Stanford University. Thirty yards up trail from lumber-reinforced section of Trail 5 on uphill side of trail. 119 Comment
  RSA457455  Agrostis pallens Lyman Benson 1937-6-24 8390 a San Mateo Coal Mine Ridge. South of Stanford University. 396 Comment
Read comments
Aug 8 2011
  SJSU15958  Agrostis pallens John Rawlings, Ken Hickman 2016-5-26 1835 A 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
  SEINET7594107 Image available Agrostis pallens Henry E. Meser 1932-1 s. n. San Mateo Black Mountain Road, Hillborough Hills near Burlingame Comment
  JROH4805  Agrostis stolonifera Toni Corelli 2006-9-20 339 San Mateo Jasper Ridge Biological Preserve, Stanford University; below Trail 12, upper embankment just above Corte Madera Creek. 108 Comment
  JROH4808  Agrostis stolonifera John Rawlings 2009-7-23 1047 San Mateo Jasper Ridge Biological Preserve, Stanford University. Dry creek bed of San Francisquito Creek about 100 yards upstream from the entrance path to the creek nearest the Dennis Martin site. 71 Comment
  JROH4831  Aira caryophyllea John Hunter Thomas 1985-5-22 23681 San Mateo Jasper Ridge Biological Preserve, Stanford University 91 Comment
  JROH4835  Aira caryophyllea John Hunter Thomas 1989-5-11 24739 San Mateo Jasper Ridge Biological Preserve, Stanford University 167 Comment
  RSA320915  Aira caryophyllea Robert A. Norris 1984-3-21 4652 San Mateo Blue Blossom Hill, San Bruno Mts. 357 Comment
  RSA87687  Aira caryophyllea Le Roy Abrams 1902-5-4 2405 San Mateo Woodside. Comment
  CAS-BOT-BC138233  Aira caryophyllea var. caryophyllea Fred Hemphill 1973-4-22 800 San Mateo San Carlos. North of Malabar Road and Melendy Drive. 207 Comment
  CAS-BOT-BC138241  Aira caryophyllea var. caryophyllea H. L. Mason 1921-5-29 s.n. San Mateo Roadside near Arroyo de los Frijoles. Comment
  CAS-BOT-BC138243  Aira caryophyllea var. caryophyllea Fred Hemphill 1973-4-15 674 San Mateo San Carlos. North of Malabar Road and Melendy Drive. 207 Comment
  CAS-BOT-BC138251  Aira caryophyllea var. caryophyllea H. L. Mason 1921-5-29 s.n. San Mateo Near Arroyo de las Frijoles. 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-BC445396  Alisma plantago-aquatica Margaret A. Barry 1937-6-27 174 San Mateo Mud Lakes on Coal Mine Ridge Comment
  JROH4298  Alisma triviale L. R. Abrams 1917-10-9 6865 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake Comment
  JROH4303  Alisma triviale Carol Zabel 2006-4-19 56 San Mateo Jasper Ridge Biological Preserve, Stanford University; off first bridge on Trail 12 (end of Road E), northeast side of bridge Comment
  JROH4569  Allium John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC467297  Allium dichlamydeum Hester R. Davis 1920-6-1 s.n. San Mateo Serpentine Creek of Redwood City Comment
  UC796644  Allium falcifolium Ira L. Wiggins 1949-4-23 12049 San Mateo w Redwood City (hills near Emerald Lakes); Emerald Lakes Comment
  CAS-BOT-BC469035  Allium falcifolium Ira L. Wiggins 1949-4-23 12049 San Mateo Near Emerald Lakes, west of Redwood City. Comment
  CAS-BOT-BC469036  Allium falcifolium A. D. E. Elmer 1903-6-1 4831 San Mateo Crystal Springs Lake Comment
  SEINET12043965  Allium falcifolium L. S. Rose 1933-1 33177 San Mateo Crystal Springs Lake Comment
  SEINET182862  Allium peninsulare John Campbell 1925-1-1 San Mateo Burlingme Comment
  CAS-BOT-BC132027  Allium peninsulare var. franciscanum A. A. Heller 1907-5-23 8564 San Mateo Back of San Mateo on the Half Moon Bay road Comment
  CAS-BOT-BC132035  Allium peninsulare var. franciscanum Alice Eastwood 1912-6-10 s.n. San Mateo Crystal Springs Comment
  CAS-BOT-BC132036  Allium peninsulare var. franciscanum D. E. Breedlove 1963-5-13 4942 San Mateo On the SE corner of the junction of Crystal Springs Road and Polhemus Rd, W of San Mateo Comment
  CAS-BOT-BC474305  Allium unifolium J. H. Thomas 1949-6-4 570 San Mateo Along the coast, 1.4 miles south of road to Pescadero Comment
  CAS-BOT-BC474306  Allium unifolium L. R. Abrams 1922-5-25 s.n. San Mateo Emerald Lake, back of Redwood City Comment
  CAS-BOT-BC169347  Alnus rubra S. B. Show 1907-2-18 19 San Mateo VIcinity of Stanford University Comment
  RSA6311  Alopecurus saccatus D. D. Keck 1932-5-6 1472 San Mateo Burlingame. Comment
  RSA177003  Amaranthus albus John H. Thomas 1964-11-15 10522 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto Comment
  RSA22216  Amaranthus powellii J. T. Howell 1938-5-1 13772 San Mateo Colma Canyon Comment
  JROH178  Amaranthus retroflexus John H. Thomas 1974-10-29 17651 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD97767  Amaranthus retroflexus John Thomas Howell 1978-7-18 53187 San Mateo McClellan residence, 1356 Bernal Ave., Burlingame. Comment
  UC577093  Ambrosia chamissonis Lewis S. Rose 1935-9-29 35653 San Mateo sandy ocean beach Granada 3 Comment
  JROH5617  Amelanchier utahensis Ann Lambrecht 2014-4-29 49 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 14, about midway between dam and road C. 98 Comment
  CAS-BOT-BC136833  Amelanchier utahensis Elizabeth McClintock 1972-4-23 s.n. San Mateo Slope above Fern Rock Comment
  SEINET11674266  Ammophila arenaria E. A. Purer 1933-1 5390 San Mateo 2 mi S of Pigeon Point Comment
  UCD78151  Amsinckia lunaris Robert E. Preston 2008-4-3 2603 San Mateo Near Lower Crystal Springs Reservoir, ca. 200 ft E of Sawyer Camp Trail, 0.5 mi NNE of its jct with Skyline Blvd 109 Comment
  JROH1352  Amsinckia menziesii John Hunter Thomas 1987-4-7 24178 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Dam Comment
  JROH3370  Anagallis minima John H. Thomas 1961-4-29 9180 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC45191  Anaphalis margaritacea W. R. Dudley 1894-7-28 s.n. San Mateo Between Pescadero and La Honda Comment
  CAS-BOT-BC391917  Anemone grayi Le Roy Abrams 1902-3-16 2275 San Mateo King's Mountain Comment
  POM87778  Anemone grayi L. R. Abrams 1902-3-16 2275 San Mateo Kings Mountain. Comment
  POM176875  Anemone grayi W. R. Dudley 1894-3-26 s.n. San Mateo Redwoods beyond King's Mt. House Comment
  UC913108  Anisocarpus madioides David D. Keck 1932-5-11 1497 San Mateo above Woodside (on La Honda road, e slope of Santa Cruz Mtns.); Santa Cruz Mtns. 228 Comment
  CAS-BOT-BC273184  Anisocarpus madioides W. R. Dudley 1895-6-5 s.n. San Mateo Unspecified Comment
  HSC24049  Anisocarpus madioides Mary Katherine Wicksten 1971-6-16 36 San Mateo Bank at Huddart Park, by Werder Flat Comment
  JROH508  Anthemis cotula John Hunter Thomas 1982-7-2 21053 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing Comment
  RSA116720  Anthemis cotula W. R. Dudley 1893-6-8 s.n. San Mateo Near Cedro Cottage, Stanford University Comment
  CAS-BOT-BC280648  Anthoxanthum occidentale C. F. B. 1902-1-15 247 San Mateo West side King's Mountain Comment
  UC2013133  Antirrhinum orontium Neal Kramer 2012-4-27 2044 San Mateo Moss Beach Hills approximately 3/4 mile north of the Half Moon Bay Airport entrance. Comment
  CAS-BOT-BC454492  Aphanes occidentalis Ned Cahill 1974-4-29 197 San Mateo Serpentine fields bordered by chapparal near the intersection of Canada and Edgewood Roads, about 3 miles westward from Redwood City Comment
  CAS-BOT-BC451568  Aponogeton distachyos M. P. Johnson 1967-2-18 10014 San Mateo On east side of State Highway 5, 4.6 miles south of southern boundary of San Francisco. Comment
  SD71033  Aponogeton distachyos Peter Rubtzoff 1955-4-2 1767 San Mateo In a small pool near the road, Skyline Boulevard near the junction of Chinese Cemetery Road. (IPB 4/07) Comment
  CAS-BOT-BC392065  Aquilegia eximia A. D. E. Elmer 1903-7-1 4952 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC392066  Aquilegia eximia W. R. Dudley 1902-9-21 s.n. San Mateo Santa Cruz Peninsula. Southeast of Crystal Springs Lake Comment
  UC465556  Aquilegia formosa Milo S. Baker May, 1904 San Mateo near Burlingame Comment
  UCR122980  Aquilegia formosa George K. Helmkamp, E. A. Helmkamp 2001-6-2 6772 San Mateo San Francisco Bay Region, Purisima Creek Road, east of Half Moon Bay at Purisima Creek, 3.2 miles east of CA Hwy 1 244 Comment
  CAS-BOT-BC405854  Aquilegia formosa Ray H. Yanis 1951-4-19 22 San Mateo King's Mountain. 15 Comment
  CAS-BOT-BC405898  Aquilegia formosa Peter Rubtzoff 1963-5-14 1353 San Mateo Brushy hills near the road east of Pilarcitos Lake Comment
  SEINET12087099  Aquilegia formosa G. C. Kimber, Roush, L. 1918-1 s.n. San Mateo no further locality Comment
  RSA87797  Aquilegia formosa var. truncata L. R. Abrams 1902-4-13 23463 San Mateo Crystal Spring. 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
  JEPS90964  Arabis blepharophylla Dean W. Taylor 1992-3-19 12334 San Mateo in saddle just e of San Pedro Mountain reached via old paved road from San Pedro Valley (Santa Cruz Mountains, Montara Mountain); Santa Cruz Mountains, Montara Mountain 274 Comment
  UC75343  Arabis blepharophylla C. F. Baker 1903-4-6 1881 San Mateo San Bruno Hills Comment
  UC967208  Arabis blepharophylla L. Constance, R. Bacigalupi, and C. R. Bell 1951-3-25 3369 San Mateo se side Colma Canyon 60 Comment
  SEINET11971579  Arabis blepharophylla L. Constance, Bacigalupi, R.; Bell, C. R. 1951-1 3369 San Mateo SE side of Colma Canyon 61 Comment
  JROH1921  Arbutus menziesii J. H. Thomas 1977-4-29 18578 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA22357  Arceuthobium campylopodum E. L. Labadie 1959-10-16 San Mateo Nursery, Burlingame. 0 Comment
  CAS-BOT-BC24172  Arctostaphylos andersonii John H. Thomas 1968-12-18 14876 San Mateo Along Skyline Blvd. between Gulch Road and la Honda Rd. 457 Comment
  CAS-BOT-BC24198  Arctostaphylos andersonii A. T. Harrison 1970-3-13 s.n. San Mateo San Francisco Watershed reserve. On ridge west of Old Whipple Rd. on western extension of Edgewood Rd. Comment
  CAS-BOT-BC24199  Arctostaphylos andersonii W. R. Dudley 1897-12-29 s.n. San Mateo On Butano, Pescadero Ridge. Comment
  UCD50284  Arctostaphylos andersonii Roman Gankin 1959-3-22 323 San Mateo Kings Mountain Road, 1.2 miles east of junction with State Highway 5, ca. 5 miles west of Woodside. Comment
  UCD50298  Arctostaphylos andersonii Roman Gankin 1959-2-22 324 San Mateo 1.2 miles from junction of State Hwy 5 on King's Mr. Road. Comment
Read comments
Jun 24 2020
  LA26778  Arctostaphylos crustacea Lewis S. Rose; 1942-3-30 42007 San Mateo Kings Mountain 600.0 Comment
  JROH1925  Arctostaphylos crustacea subsp. crustacea John H. Thomas 1974-6-30 17463 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1928  Arctostaphylos crustacea subsp. crustacea Josephine D. Randall 1906-1-27 138 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC24731  Arctostaphylos glandulosa subsp. glandulosa Walter Knight; Roger Raiche 1982-1-23 4417 San Mateo San Bruno Mtn. Buckeye Canyon on Oak Ridge. 137 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-BC24493  Arctostaphylos imbricata Marian L. Campbell 1915-6-17 s.n. San Mateo San Bruno Hills. Comment
  RSA632767  Arctostaphylos imbricata Jon E. Keeley 1996-6-24 27566 San Mateo On knob below end of paved road at top of San Bruno Mountain. 350 Comment
  SBBG33914  Arctostaphylos imbricata L. S. Rose 1964-4-24 64022 San Mateo San Bruno Hills 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
  POM131959  Arctostaphylos manzanita subsp. manzanita Stewart H. Burnham 1894-1 6565 San Mateo Above Searsville. Comment
  UC21804  Arctostaphylos montaraensis J. Burtt Davy 1895-4-20 1049 San Mateo Lake Pilarcitos Comment
  UCD144586  Arctostaphylos montaraensis Greg Escoto 2014-2-21 s.n. San Mateo San Pedro Valley Park, a county park located at 600 Oddstad Blvd. Along Hazelnut Trail. 152 Comment
  RSA633500  Arctostaphylos pacifica Jon E. Keeley 1996-6-24 27569 San Mateo On knob below end of paved road at top of San Bruno Mountain. 350 Comment
  POM212013  Arctostaphylos regismontana C. B. Wolf 1930-11-6 1811 or 1067 San Mateo 2 mi N of Summit of Kings Mountain, Skyline Blvd. 640 Comment
  POM285164  Arctostaphylos regismontana Lyman Benson 1929-3-5 975 San Mateo Summit of Kings Mountain 762 Comment
  RSA636741  Arctostaphylos regismontana Jon E. Keeley, Melanie Baer Keeley 1993-9-8 24632 San Mateo NW side of Montara Mtn. 150 Comment
  UC1120847  Arctostaphylos regismontana A. E. Wieslander 1936-8-21 658 San Mateo Sierra Moreno Mt. Santa Cruz Quadrangle Comment
  UC1543114  Arctostaphylos regismontana Donald G. Nelson 1938-11-13 592 San Mateo on Skyline Blvd n summit of Kings Mountain Comment
  UC83852  Arctostaphylos regismontana C. F. Baker 1902-1-15 271 San Mateo about summit; King's Mountain Comment
  UC876529  Arctostaphylos regismontana Lewis S. Rose 1934-2-10 34026 San Mateo Skyline Blvd 4 mi s Kings Mountain (region of type) Comment
  CAS-BOT-BC44670  Arctostaphylos sensitiva W. R. Dudley 1906-3-10 s.n. San Mateo By road S. W. of Crystal Spr Reservoir. - Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC44673  Arctostaphylos sensitiva W. R. Dudley 1897-12-29 s.n. San Mateo Butano Ridge, between Butano & Pescadero Crs. - Santa Cruz Peninsula Comment
  RSA636847  Arctostaphylos tomentosa subsp. crustacea Jon E. Keeley, Melanie Baer-Keeley 1993-9-8 24650 San Mateo NW side of Montara Mtn. 150 Comment
  RSA636851  Arctostaphylos tomentosa subsp. crustacea Jon E. Keeley 1979-6-18 7313 San Mateo Jasper Ridge. Comment
Read comments
Sep 19 2011
  POM285160  Arctostaphylos tomentosa subsp. tomentosiformis Lyman Benson 1929-3-2 986 San Mateo Hill east of Lake Searsville. Comment
  POM367465  Arctostaphylos tomentosa subsp. tomentosiformis L. S. Rose 1942-3-30 42007 San Mateo Kings Mountain. 610 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
  JEPS27353  Arctostaphylos uva-ursi Rimo Bacigalupi with L. Heckard and J. Roof 1961-4-24 7614 San Mateo just below rocky spur due north of true summit of mountain (directly below and ne of KQED radio power station); San Bruno Mt. 342 Comment
  CDA24519  Argemone mexicana John Beall 2007-8-8 PDR# 1461634 San Mateo San Mateo; Golden Nursery, 1122 2nd Ave. Comment
  CAS-BOT-BC47697  Armeria maritima subsp. californica W. R. Dudley 1896-4-17 s.n. San Mateo Pebble Beach, Pescadero Comment
  LA44122  Armeria maritima subsp. californica Ira L. Wiggins; 1929-7-4 3801 San Mateo Pescadero Beach Comment
  UC1123303  Armeria maritima subsp. californica W. W. Akey 1935-5-28 24 San Mateo 1 1/2 mi n Bolsa POint; Santa Cruz Quadrangle Comment
  JROH512  Arnica discoidea Herbert L. Mason 1921-5-18 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Redwood area Comment
  JROH4838  Arrhenatherum elatius John Rawlings 2008-5-7 1021 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along Road L in disturbed grassy area, under large valley oak. 107 Comment
  SD41464  Artemisia pycnocephala Edith A. Purer 1933-7-27 5387 San Mateo Partially stabilized sand dunes 2 miles south of Pigeon Point Comment
  JROH428  Asclepias fascicularis Richard L. Garber 1971-7-13 57 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
  RSA18383  Asclepias fascicularis C. B. Wolf 1927-7-1 s.n. San Mateo Above Emerald Lake, back of Redwood City Comment
  SDSU6358  Aster subspicatus D. F. Howe 1967-8-6 4369 San Mateo By Half Moon Bay. Comment
  JROH1986  Astragalus gambelianus Duncan M. Porter 1960-5-5 676 B San Mateo Jasper Ridge Biological Preserve, Stanford University; meadow near crest of N-facing slope above Webb Ranch. Quadrat H-5 Comment
  CAS-BOT-BC186768  Astragalus gambelianus W. R. Dudley 1894-4-21 s.n. San Mateo Below Crystal Springs Dam Comment
  POM16234  Astragalus nuttallii C. F. Baker 1902-10-1 1736 San Mateo Pillar Point. Comment
  RSA90716  Astragalus nuttallii F. W. Peirson 1925-9-13 6424 San Mateo Rockaway Beach Comment
  SBBG34010  Astragalus nuttallii var. virgatus L. S. Rose 1969-9-20 69112 San Mateo Thornton Beach 24 Comment
  UCD35773  Astragalus nuttallii var. virgatus Beecher Crampton 1962-6-11 6495 San Mateo Pacifica, north city limits, along State Hwy. 1 just southwest of its junction with Skyline Blvd. Comment
  CAS-BOT-BC177970  Astragalus nuttallii var. virgatus A. A. Heller 1906-6-8 8385 San Mateo Near Ocean View, San Francisco, on the Lake Merced side of the Ocean Shore tracks in soil. Comment
  BLMAR756  Astragalus pycnostachyus var. pycnostachyus Clara Sander 2005-7-5 756 San Mateo San Gregorio, Coastal bluff 25 Comment
  CAS-BOT-BC66141  Athyrium filix-femina var. cyclosorum W. R. Dudley 1895-6-6 s.n. San Mateo near Pescadero Creek, Santa Cruz Mts. Comment
  CDA2953  Atriplex hortensis T. C. Fuller 1961-11-1 7188 San Mateo East of Industrial Way at Garden Street, north limits of Redwood City. 0 Comment
  RSA478327  Atriplex leucophylla L. S. Rose 1933-7-20 33305 San Mateo Granada. 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
  SJSU16064  Atriplex prostrata Toni Corelli 2009-9-9 440 San Mateo Half Moon Bay State Beach, in low dunes Comment
  JROH5936  Atriplex prostrata Ann Lambrecht 2007-9-5 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek, left bank below Bear Creek confluence Comment
  CAS-BOT-BC146124  Avena barbata Catherine A. Toschi 1963-2-23 63 :31 San Mateo North slope San Bruno Mountains above Crocker Avenue. 152 Comment
  JROH4847  Avena fatua John Hunter Thomas 1990-5-8 24854 San Mateo Jasper Ridge Biological Preserve, Stanford University. Low-flow crossing 81 Comment
  UC1192362  Azolla filiculoides Malcolm A. Nobs and S. Galen Smith 1949-8-26 1593 San Mateo marshes at mouth of Pescadero Creek Comment
  UC42329  Azolla filiculoides F. T. Bioletti 1893-6-15 San Mateo Boden Comment
  RSA176408  Baccharis douglasii John H. Thomas 1964-10-2 10513 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Edge of Searsville Lake near Bridge. Comment
  JROH533  Baccharis glutinosa John H. Thomas 1968-5-31 12938 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH545  Baccharis glutinosa John Hunter Thomas 1992-7-24 25385 San Mateo Jasper Ridge Biological Preserve, Stanford University; along causeway 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-BC99517  Baccharis pilularis Carl B. Wolf 1930-11-5 1807 San Mateo 4 miles south of Pescadero 7 Comment
  CAS-BOT-BC99520  Baccharis pilularis George Oberlander 1949-8-20 361 San Mateo Sweeney Ridge Comment
  CAS-BOT-BC99523  Baccharis pilularis Ned Cahill 1974-4-18 118 San Mateo near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC99525  Baccharis pilularis W. R. Dudley 1895-10-19 s.n. San Mateo Near San Francisquito Creek, toward Searsville 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
  SEINET11861776  Baccharis pilularis Unknown 1933-8-4 10464 San Mateo along Bayshore Highway Comment
  JROH549  Baccharis pilularis subsp. consanguinea John H. Thomas 1970-7-5 15663 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH550  Baccharis pilularis subsp. consanguinea Richard L. Garber 1971-7-13 62 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  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-BC16623  Barbarea orthoceras Fred Hemphill 1973-3-9 704 San Mateo San Carlos. Area north of Malabar Road and Melendy Drive. 207 Comment
  CAS-BOT-BC16625  Barbarea orthoceras Fred Hemphill 1973-3-17 712 San Mateo San Carlos. Area north of Malabar Road and Melendy Drive. 207 Comment
  JROH1450  Barbarea orthoceras John Hunter Thomas 1982-7-8 21078 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing Comment
  CAS-BOT-BC16641  Barbarea orthoceras R. E. Frenkel 1964-4-2 417 San Mateo On Spring Valley Ridge Road, SFWD, at junction of Spring Valley Ridge Road and Whiting Ridge Road. 347 Comment
  RSA788847  Barbarea orthoceras Peter Rubtzoff 1975-5-21 7962 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction Comment
  SD99578  Barbarea orthoceras Darley F. Howe 1968-4-14 San Mateo San Francisco Game Reserve near San Bruno. Comment
  JEPS35291  Bellardia trixago J. H. Thomas 1962-5-8 9852 San Mateo Pigeon Point Comment
  JROH3920  Bellardia trixago John Hunter Thomas 1980-5-8 19937 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR122983  Bellardia trixago George K. Helmkamp, E. A. Helmkamp 2001-6-2 6777 San Mateo San Francisco Bay Region, Purisima Creek Road, east of Half Moon Bay at Purisima Creek, 3.2 miles east of CA Hwy 1 244 Comment
  JROH3919  Bellardia trixago John Hunter Thomas 1980-5-6 19931 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC75878  Berberis pinnata John H. Thomas 1977-3-26 18506 San Mateo Butano State Park, redwood region. Comment
  CAS-BOT-BC75879  Berberis pinnata G. Edelbrock 1975-3-21 021 San Mateo On ridge at end of Crocker Street, San Bruno Mountain. 152 Comment
  UC306615  Berberis pinnata A. D. E. Elmer April, 1903 4820 San Mateo San Bruno Hills Comment
  JROH4850  Brachypodium distachyon John Hunter Thomas 1981-5-25 20626 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR160099  Brachypodium sylvaticum K. Melo 2003-11-10 1387519 San Mateo 4506 Oak Knoll Dr, Emerald Hills Comment
  CAS-BOT-BC28047  Brassica fruticulosa Elizabeth McClintock; Paul Reeberg 1989-2-4 s.n. San Mateo San Bruno Mountains. Near horse corral, off Bayshore. Comment
  JEPS26851  Brassica nigra Rimo Bacigalupi with J. H. Thomas and L. R. Heckard 1961-5-23 7714 San Mateo along Alpine Road near site of abandoned Alpine School Alpine School; Alpine Road 487 Comment
Read comments
Mar 12 2009
  CAS-BOT-BC36669  Brassica oleracea L. R. Abrams; Ira L. Wiggins 1939-6-3 439 San Mateo 2 miles north of Pigeon Point Lighthouse. Comment
  JROH1470  Brassica rapa John Hunter Thomas 1989-5-23 24747 San Mateo Jasper Ridge Biological Preserve, Stanford University; near old bridge over two parts of lake Comment
  JROH1466  Brassica rapa John Hunter Thomas 1978-5-23 19221 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC186699  Brassicaceae Fred Hemphill 1973-3-17 713 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC145495  Briza maxima John R. Barth 1963-5-23 42 San Mateo Pebble Beach. Comment
  CAS-BOT-BC145325  Briza minor H. A. Dutton 1900-4-17 s.n. San Mateo Santa Cruz Peninsula. Just east of Jasper on south side of roadside. Comment
  CAS-BOT-BC145326  Briza minor A. D. E. Elmer 1903-5-1 4912 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC145337  Briza minor Elizabeth McClintock; David Schooly; Kim Marcus 1975-4-13 s.n. San Mateo San Bruno Mountain. Above Hillcrest Boulevard, South San Francisco. Comment
  JROH4890  Briza minor W. Lennihan 1989-4-6 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 9, halfway to top Comment
  CAS-BOT-BC484343  Brodiaea elegans subsp. elegans P. R. Hichborn 1920-6-1 280 San Mateo Santa Cruz Mountain Peninsula back of Redrood City Comment
  CAS-BOT-BC484351  Brodiaea elegans subsp. elegans W. R. Dudley 1893-5-27 s.n. San Mateo By Arey's residence near Stanford University Comment
  JROH4586  Brodiaea terrestris subsp. terrestris Elmer I. Applegate 1895-5-11 700 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM169541  Brodiaea terrestris subsp. terrestris E. B. Copeland 1903-6-5 3297 San Mateo Montara Point. Comment
  SJSU9943  Brodiaea terrestris subsp. terrestris J. R. Verbarg 1955-5-14 44 San Mateo Crystal Springs Hills Comment
  UC1442900  Brodiaea terrestris subsp. terrestris Theodore F. Niehaus 1965-3-23 364 San Mateo e of Crystal Springs (100 yards e of San Mateo Juvenile Probation Center) Comment
  UC843600  Brodiaea terrestris subsp. terrestris Lewis S. Rose 1935-5-4 35150 San Mateo Burlingame Comment
  CAS-BOT-BC483171  Brodiaea terrestris subsp. terrestris Lewis S. Rose 1970-4-8 70024 San Mateo Black Mountain west of San Mateo 121 Comment
  POM196558  Brodiaea terrestris subsp. terrestris C. Dudley 1909-4-27 s.n. San Mateo Santa Cruz Mountain Peninsula. Comment
  CAS-BOT-BC144139  Bromus Ned Cahill 1974-5-30 325 San Mateo Near the intersection of Canada and Edgewood roads, about 3 miles westward from Redwood City. 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
  CAS-BOT-BC148979  Bromus carinatus var. carinatus J. H. Thomas 1954-4-3 3837 San Mateo Pilarcitos Creek Road, 3.5 miles northeast of Halfmoon Bay. 121 Comment
  JEPS113029  Bromus carinatus var. carinatus Dean W. Taylor 1988-3-30 9482 San Mateo San Bruno Mountain, northern slope of southeast ridge of the mountain, near the ridgecrest; right-of-way of eastern-most set of PGandE high-voltage powerlines crossing the mountain 176 Comment
  JROH4900  Bromus carinatus var. carinatus John Rawlings 2013-4-16 1136 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along the Escobar Gate fenceline about 100 m east of the gate 149 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
  POM236902  Bromus diandrus Lyman Benson 1930-5-1 2074 San Mateo San Lorenzo Mt. Range, Stanford University, Portola Road 152 Comment
  SEINET3892511  Bromus diandrus R. L. Johnson 2012-4-6 12 -003 San Mateo Half Moon Bay, roadside on Redondo Beach Rd.; 0 25 Comment
  JROH4930  Bromus hordeaceus John Rawlings 2010-4-28 1092 San Mateo Jasper Ridge Biological Preserve, Stanford University; on slope south of the visitor parking lot 119 Comment
  SD30516  Bromus hordeaceus 1933-4-10 2 San Mateo Stanford University; Botany Garden Comment
Read comments
Apr 12 2012
  JROH5957  Bromus laevipes John Rawlings 2017-5-22 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 14, between dam spillway and Trail 8 intersection 111 Comment
  JROH4946  Bromus madritensis subsp. madritensis John Rawlings 2013-4-14 1150 A San Mateo Jasper Ridge Biological Preserve, Stanford University; uphill from Trail 14 about 25 yards from the Rd E intersection 112 Comment
  JROH4951  Bromus madritensis subsp. rubens John Hunter Thomas 1989-5-11 24740 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4952  Bromus madritensis subsp. rubens W. Lennihan 1990-4-4 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Escobar - across trail, on edge, from hybrid oak - about 4' further along the trail. Comment
  JROH4955  Bromus madritensis subsp. rubens John Rawlings 2013-4-9 1146 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along brick path leading from visitor parking to Sun Field Station. 120 Comment
  JROH4958  Bromus madritensis subsp. rubens John Rawlings 2013-4-30 1181 B San Mateo Jasper Ridge Biological Preserve, Stanford University; along Road B near south boundary fence 78 Comment
  RSA320909  Bromus marginatus Robert A. Norris 1984-3-21 4656 San Mateo Blue Blossom Hill, San Bruno Mts. 366 Comment
  UCD59044  Bromus maritimus Roxana S. Ferris 1920-4-27 1981 San Mateo Santa Cruz Mountain Peninsula. Ano Nuevo. 0 Comment
  SEINET10523819  Bromus rigidus Delzie Demaree 1932-4-27 Demaree 9021 San Mateo Mud lakes, Los Francos Woods. Comment
  CAS-BOT-BC161747  Bromus rubens John H. Thomas 1965-4-29 10626 San Mateo San Bruno Mountains in northern part of county. 396 Comment
  JEPS26836 Image available Bromus vulgaris Rimo Bacigalupi with L. R. Heckard 1961-5-14 7699 San Mateo about 3/4 mi below and se of Stone Dam Reservoir (canyon of Pilarcitos Creek, w base of Cahill Ridge); Cahill Ridge 152 Comment
  JEPS26847  Bromus vulgaris Rimo Bacigalupi with J. H. Thomas and L. Heckard 1961-5-23 7710 San Mateo 1/4 mi w of crossing with Skyline Boulevard (along Alpine Road); Alpine Road 685 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
  JROH5650  Bromus vulgaris John Rawlings 2014-5-28 1245 San Mateo Jasper Ridge Biological Preserve, Stanford University. Dry bed of San Francisquito Creek at at the Dennis Martin site. 71 Comment
  CAS-BOT-BC36866  Cakile edentula var. edentula Reed Clark Rollins 1941-7-19 2961 San Mateo Half Moon Bay, along the beach. Comment
  UCSC007725  Cakile maritima Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  JROH4972  Calamagrostis koelerioides John H. Thomas 1962-7-15 9913 San Mateo Jasper Ridge Biological Preserve, Stanford University. Oak woodland near northern end of ridge Comment
  CAS-BOT-BC185148  Calamagrostis nutkaensis A. D. E. Elmer 1903-5-1 5040 San Mateo San Pedro. Comment
  JROH5602  Calamagrostis rubescens John Rawlings 2014-3-18 1208 San Mateo Jasper Ridge Biological Preserve, Stanford University; near jct of and between trails 5 and 2. 83 Comment
  JROH3323  Calandrinia ciliata John H. Thomas 1973-3-11 16478 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC635366  Calandrinia ciliata Herbert L. Mason 1927-4-23 3691 San Mateo roadside between La Honda and Pescadero Creek Comment
  CAS-BOT-BC438539  Calandrinia ciliata John H. Thomas 1974-4-11 17128 San Mateo To the SE of Canada Road and Edgewood Road. NW of Woodside. 152 Comment
  JROH1639  Callitriche marginata John H. Thomas 1973-2-12 16452 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC492166  Calochortus albus Fred Hemphill 1973-5-14 802 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC492214  Calochortus albus Fred Hemphill 1973-5-6 757 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  JROH4607  Calochortus albus John H. Thomas 1977-4-21 18539 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4612  Calochortus albus John Hunter Thomas 1986-5-1 23999 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA18306  Calochortus albus Carl B. Wolf 1927-5-31 410 San Mateo Searsville Lake Comment
  UC306641  Calochortus albus A. D. E. Elmer May 1903 4846 San Mateo San Mateo Comment
  UCR101611  Calochortus albus George K. Helmkamp, E. A. Helmkamp 1998-5-16 3748 San Mateo Portola Valley, Golden Hills Rd along Los Trancos Creek 107 Comment
  CAS-BOT-BC492201  Calochortus albus George Oberlander 1950-5-21 975 San Mateo Pilarcitos Canyon Comment
  CAS-BOT-BC492222  Calochortus albus Dr. A. Kellogg; W. G. W. Harford 1861-6-10 991 San Mateo San - handwriting illegible Comment
  HSC23997  Calochortus albus Mary Katherine Wicksten 1971-6-16 45 San Mateo Huddart Park, woods near Oak Flat Comment
  IRVC9082  Calochortus albus P. W. Rundel 1963-6-11 1117 San Mateo San Fransisco Bay drainage area; Old La Honda Road. Santa Cruz Mountain Range 305 Comment
  SEINET12044654  Calochortus coeruleus J. D. Randall 1907-1 224 San Mateo Kings Mt Comment
  JEPS127872  Calochortus luteus Adam C. Schneider 2013-5-17 159 San Mateo Crystal Springs Reservoir Comment
  JROH4637  Calochortus luteus John Hunter Thomas 1981-5-25 20628 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4641  Calochortus luteus John Hunter Thomas 1989-5-30 24753 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near dam Comment
  IRVC9063  Calochortus luteus P. W. Rundel 1964-7-8 1362 San Mateo La Honda Road; 1.5 mi. N of Portola Road Santa Cruz Mtns 274 Comment
  POM258692  Calochortus luteus Marion Ownbey, Ruth P. Ownbey 1938-7-7 1699 San Mateo Santa Cruz Mountains, above Searsville Lake Comment
  CAS-BOT-BC493995  Calochortus tolmiei Le Roy Abrams 1902-5-20 s.n. San Mateo King's Mountain Comment
  CAS-BOT-BC496829  Calochortus tolmiei J. H. Thomas 1949-5-7 505 San Mateo King's Mountain Road Comment
  SEINET12045035  Calochortus uniflorus D. D. Keck 1932-1 1496 San Mateo above Woodside on La Honda Rd. E slope of Santa Cruz Mts Comment
  JROH570  Calycadenia multiglandulosa John Hunter Thomas 1983-6-29 22717 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH573  Calycadenia multiglandulosa John Hunter Thomas 1987-5-5 24252 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
  SEINET3480492  Calycadenia multiglandulosa L. S. Rose 1941-6-12 1897 San Mateo Emerald Lake, Emerald Lake, West of Redwood City 120 Comment
  JEPS27354  Calystegia purpurata Rimo Bacigalupi with L. Heckard and J. Roof 1961-4-24 7615 San Mateo on grass-covered shoulder of spur facing almost due eastward from KQED radio tower and power station (San Bruno Mountain summit); San Bruno Mountain summit 350 Comment
  CAS-BOT-BC224649  Calystegia purpurata subsp. purpurata George Oberlander 1949-7-24 308 San Mateo San Franciso Watershed Reserve. Sawyer Ridge Comment
  CAS-BOT-BC224659  Calystegia purpurata subsp. purpurata Ned Cahill 1974-5-13 278 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC224661  Calystegia purpurata subsp. purpurata James McMurphy 1905-9-15 s.n. San Mateo Goat Ranch, near Stanford University Comment
  JEPS10201  Calystegia soldanella Rimo Bacigalupi with G. T. Robbins 1954-6-18 4558 San Mateo one-half mi n Pigeon Point; one-half mi n of Pigeon Point Comment
  RSA60634  Calystegia soldanella I. L. Wiggins 1950-5-20 12351 San Mateo Pescadero Beach Comment
  CAS-BOT-BC224345  Calystegia subacaulis subsp. subacaulis A. D. E. Elmer 1903-6-1 4826 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC224346  Calystegia subacaulis subsp. subacaulis Margaret A. Barry 1937-5-8 57 San Mateo Exposed slopes of Coal Mine Ridge Comment
  UC1594174  Calystegia subacaulis subsp. subacaulis Jerry Powell 1991-6-1 1605 San Mateo Edgewood County Park. Comment
  POM32101  Camissonia graciliflora L. R. Abrams 1917-3-15 6396 San Mateo Woodside - Crystal Springs Road, 2 miles north of Woodside Comment
  RSA130597  Camissonia ovata Lucile Roush 1918-3-31 s.n. San Mateo Santa Cruz Peninsula; foot of Sierra Morena Comment
  RSA187227  Camissonia ovata John H. Thomas 1955-4-6 4839 San Mateo East facing slope of San Bruno Mountain just north of South San Francisco 30 Comment
  JEPS43862  Camissoniopsis cheiranthifolia subsp. cheiranthifolia William S. Cooper 1924-11-19 37 San Mateo Ano Nuevo Pt. Comment
  SEINET10463189  Campanula prenanthoides Gray 1872-1 GRAY s.n. San Mateo SANTA CRUZ REDWOODS Comment
  SEINET10905906  Campanula prenanthoides Wicksten 1971-7-7 WICKSTEN 155 San Mateo HUDDART PARK, ROAD CUT ALONG RD TO FAMILY CAMPGROUND Comment
  SEINET10939004  Campanula prenanthoides Wolf 1927-8-13 WOLF 714 San Mateo LA HONDA GRADE, SANTA CRUZ MTNS Comment
  CAS-BOT-BC37662  Cardamine californica W. R. Dudley 1903-5-9 s.n. San Mateo Santa Cruz Peninsula. Iverson's near Peters Creek. Comment
  CAS-BOT-BC37668  Cardamine californica Reed Clark Rollins 1941-3-30 2954 San Mateo 4 miles northwest of Woodside. Comment
  CAS-BOT-BC37686  Cardamine californica Everett Winder Rust 1907-4-27 125 San Mateo Kings Mountain. Comment
  CAS-BOT-BC37669  Cardamine californica Reed Clark Rollins 1941-3-16 2943 San Mateo Santa Cruz Mountains. East slope of Kings Mountain, 6 miles west of Woodside. Comment
  CHSC56974  Cardamine californica var. integrifolia Steven Triano 1988-5-24 184 San Mateo Redwood forest ca 0.1 mi w of Old La Honda Road near Martin Creek and 0.4 air miles e of SkyLonda. 381 Comment
  RSA3919  Cardamine californica var. integrifolia Josephine Randall 1907-6-8 118 San Mateo Portola. Santa Cruz Peninsula. Comment
  UC1301008  Cardamine californica var. integrifolia Helen K. Sharsmith 1963-2-16 5132 San Mateo slopes San Bruno Mountain (above Daly City); San Francisco Bay Region, , Daly City 106 Comment
  UC483498  Cardamine californica var. integrifolia Ira L. Wiggins 1931-2-21 5089 a San Mateo 1/2 mi n Pebble Beach Hotel (Pescadero Beach); , n of Pebble Beach Hotel Comment
  UC136067  Cardamine californica var. sinuata C. F. Baker 1902-4-12 501 San Mateo La Honda Comment
  JEPS127781  Cardamine oligosperma Adam C. Schneider with C. Matt Guilliams 2014-3-9 42 San Mateo Comment
  JROH1489  Cardamine oligosperma Roxana Stinchfield 1914-2-28 155 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake Comment
  JROH1490  Cardamine oligosperma L. R. Abrams 1916-3-26 5586 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Ridge Comment
  JROH1500  Cardamine oligosperma John Hunter Thomas 1985-4-10 23515 San Mateo Jasper Ridge Biological Preserve, Stanford University; Whiskey Hill gate Comment
  CDA6895  Carduus tenuiflorus T. C. Fuller 1960-4-2 4078 San Mateo West of Skyline Boulevard, 1.6 miles south of Half Moon Bay Road. 0 Comment
  HSC23961  Carduus tenuiflorus Mary Katherine Wicksten 1971-7-15 27 San Mateo Huddart Park Comment
  JEPS48963  Carex amplifolia James G. Daly 1934-1 424 San Mateo upper Corte de Madera Canyon Comment
  CAS-BOT-BC17852  Carex amplifolia George Oberlander 1950-5-21 958 San Mateo San Francisco Watershed Reserve. Pilarcitos Canyon. Comment
  JROH5579  Carex barbarae John Rawlings 2013-7-2 1194 San Mateo Jasper Ridge Biological Preserve, Stanford University. In rocky bed of San Francisquito Creek, north side, opposite 2013 slide on Trail 1. 80 Comment
  JROH4322  Carex bolanderi Toni Corelli 2005-8-10 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Along Causeway, Trail 13, west of Leonard's Bridge. 106 Comment
  JROH4325  Carex bolanderi John Rawlings 2010-5-19 1050 B San Mateo Jasper Ridge Biological Preserve, Stanford University; 5 yards north (lakeside) of Leonard's Bridge 106 Comment
  CAS-BOT-BC34075  Carex brevicaulis Alice Eastwood; John Thomas Howell 1938-6-26 6051 San Mateo Montara Mountain. Above Point San Pedro. Comment
  CAS-BOT-BC18923  Carex densa John Thomas Howell 1938-5-1 13781 San Mateo Near South San Francisco. Comment
  CAS-BOT-BC18924  Carex densa John Thomas Howell 1938-5-1 13786 San Mateo Near South San Francisco. Comment
  CAS-BOT-BC18931  Carex densa George Oberlander 1950-5-6 917 San Mateo San Francisco Watershed Reserve. Pilarcitos Canyon. Comment
  CAS-BOT-BC18937  Carex densa Alice Eastwood; John Thomas Howell 1937-5-7 4328 San Mateo Visatacion Valley. Comment
  JROH4333  Carex densa Toni Corelli 2005-4-20 285 San Mateo Jasper Ridge Biological Preserve, Stanford University; south of Road F 184 Comment
  UC212817  Carex densa Kellogg and Brannan 1870-6-1 San Mateo San Gregorio Creek Comment
  UC824431  Carex densa Lewis S. Rose 1935-5-4 35152 San Mateo Skyline Blvd. w San Bruno; Skyline Blvd. Comment
  CAS-BOT-BC18925  Carex densa Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo San Bruno Mountains. Crocker Hills. Comment
  RSA91590  Carex densa J. T. Howell 1938-5-1 13786 San Mateo Near South San Francisco. Comment
  UCD140266  Carex densa Alice Eastwood; John Thomas Howell, J. W. Stacey 1938-4-24 5246 San Mateo Half Moon Bay. Comment
  UCD165066  Carex densa Peter Rubtzoff 1975-5-21 7976 San Mateo San Bruno Mountains.'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC21818  Carex harfordii Alice Eastwood; John Thomas Howell 1938-6-26 6070 San Mateo Pigeon Point. Comment
  CAS-BOT-BC21819  Carex harfordii W. R. Dudley 1925-6-12 s.n. San Mateo Pescadero Creek below Peters Creek. Comment
  UC803889  Carex hendersonii G. L. Stebbins Jr. 1949-6-5 3983 San Mateo on Skyline Blvd. w Palo Alto (summit of Kings Mtn.); Kings Mtn. Comment
  CAS-BOT-BC119445  Carex nudata D. D. Davis 1903-4-1 s.n. San Mateo San Francisquito Creek. Comment
  UC70631  Carex nudata J. Burtt Davy 1893-6-17 791 San Mateo Belmont Comment
  CAS-BOT-BC119446  Carex nudata W. R. Dudley 1903-6-6 s.n. San Mateo Below Iversons near margin of Peter;s Creek at mouth. Comment
  CAS-BOT-BC119345  Carex obnupta W. R. Dudley 1896-4-17 s.n. San Mateo Pebble Peach Pasture, Pescadearo, Santa Cruz Mountain. Comment
  CAS-BOT-BC119346  Carex obnupta W. R. Dudley 1896-4-18 s.n. San Mateo Pebble Peach Pasture, Pescadearo, Santa Cruz Mountain. Comment
  CAS-BOT-BC173709  Carex obnupta Peter Rubtzoff; Roman Gankin 1975-5-21 7965 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC117647  Carex serratodens Harry A. Dutton 1900-4-3 s.n. San Mateo Woodside. Comment
  UC823232  Carex serratodens L. R. Abrams 1902-5-4 2425 San Mateo Woodside Comment
  SEINET7575213 Image available Carex serratodens Wilhelm Suksdorf 1913-6-23 252 San Mateo Brooklet east of Crystal Springs Lake. 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
  UC836144  Carex subbracteata John Thomas Howell 1938-5-1 13778 San Mateo near South San Francisco Comment
  RSA788836  Carex subbracteata Peter Rubtzoff 1978-3-18 9172 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  UC750651  Carex subbracteata Lewis S. Rose 1939-4-14 39063 San Mateo South San Franciso 15 Comment
  CAS-BOT-BC116820  Carex subbracteata var. subbracteata Alice Eastwood; John Thomas Howell; J. W. Stacey 1938-4-24 5254 San Mateo 2 mi N of Pescadero Comment
  CAS-BOT-BC116825  Carex subbracteata var. subbracteata George Thomas Oberlander 1950-4-22 633 San Mateo Marsh, Pilarcitos Canyon Comment
  CAS-BOT-BC116826  Carex subbracteata var. subbracteata Walter Knight; Irja Knight 1965-6-20 s.n. San Mateo Crystal Cave Canyon in wet spot. Comment
  CAS-BOT-BC115511  Carex tumulicola W. R. Dudley 1910-5-26 s.n. San Mateo Coal Mine Ridge near Black Mountain Comment
  RSA15335  Carpobrotus chilensis C. B. Wolf 1927-1-29 146 San Mateo Pescadero Comment
  JEPS6875  Castilleja Rimo Bacigalupi with G. T. Robbins 1954-6-18 4549 San Mateo along Skyline Blvd, 1 1/2 mi N of the crossing of the page Mill (Alpine) road Comment
  CAS-BOT-BC249188  Castilleja affinis J. H. Thomas 1954-4-3 3831 San Mateo Pilarcitos Creek Road, 3.5 miles NE of Halfmoon [Half Moon] Bay 121 Comment
  POM88003  Castilleja affinis L. R. Abrams 1902-5-11 2437 San Mateo Crystal Springs Lake. Comment
  RSA425889  Castilleja affinis Glenn A. Gorelick 1967-4-14 s.n. San Mateo San Bruno Mountains, overlooking Daly City near San Francisco. Comment
  POM283660A  Castilleja affinis Lyman Benson 1930-5-1 2072 San Mateo Stanford Univ. San Lorenzo mtn range. 152 Comment
  JROH3949  Castilleja affinis subsp. affinis John Hunter Thomas 1983-4-14 21401 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3953  Castilleja affinis subsp. affinis John Rawlings 2013-4-23 1172 San Mateo Jasper Ridge Biological Preserve, Stanford University. Uphill from Trail c. 180 Comment
  JEPS103890  Castilleja affinis subsp. affinis T. I. Chuang and F. M. Chuang 1991-7-3 7861 San Mateo 1 mile S of Linda Mar, on highway 1 Comment
  JEPS60423  Castilleja affinis subsp. affinis T. I. Chuang and F. M. Chuang 1969-7-21 6663 San Mateo 2.5 mi from Tunitas Road junction with Skyline Boulevard (Tunitas Road) 487 Comment
  UC886508  Castilleja ambigua subsp. ambigua Alice Eastwood 1912-6-2 208 San Mateo Granada Comment
  JROH3964  Castilleja attenuata John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3973  Castilleja densiflora subsp. densiflora Robert Robertson 1954-4-23 93 San Mateo Jasper Ridge Biological Preserve, Stanford University 170 Comment
  SBBG54568  Castilleja exserta F. W. Pennell, D. D. Keck 1940-5-15 25418 San Mateo E of upper Crystal Springs, SW of San Mateo Comment
  JEPS27355  Castilleja exserta subsp. latifolia Rimo Bacigalupi with L. Heckard and J. Roof 1961-4-24 7616 San Mateo due e KQED radio tower and power station (San Bruno Mountain summit); San Bruno Mountain 350 Comment
  CHSC42232  Castilleja foliolosa Rusti Gammon 1986-3-30 14 San Mateo Ca. 8.1 mi se of Saratoga, 4.1 mi w off hwy 9. 569 Comment
  SEINET12288673  Castilleja foliolosa McCallum 1933-1 s.n. San Mateo in Los Trancus Woods Comment
  CAS-BOT-BC243827  Castilleja latifolia David D. Keck 1931-10-5 1294 San Mateo Four miles northeast of Half Moon Bay, on west side of Cahill Ridge, near headwaters of Pilarcitos Creek 150 Comment
  CAS-BOT-BC243835  Castilleja latifolia Peter H. Raven 1950-4-16 1782 San Mateo Colma Canyon, San Bruno Mts. 182 Comment
  CAS-BOT-BC243840  Castilleja latifolia John Thomas Howell 1933-4-9 10966 San Mateo Hills south of Pescadero Comment
  JEPS103897  Castilleja latifolia T. I. Chuang and F. M. Chuang 1991-6-29 7851 San Mateo Ca. 1/3 mile south of Pescadero State Beach Comment
  CAS-BOT-BC243836  Castilleja latifolia Francis W. Pennell 1940-6-29 26032 San Mateo Route 5, 13-14 mi. south of San Francisco 457 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
  JROH3993  Castilleja rubicundula subsp. lithospermoides John H. Thomas 1958-5-10 7147 San Mateo Jasper Ridge Biological Preserve, Stanford University; on the top of ridge Comment
  JROH4010  Castilleja rubicundula subsp. lithospermoides John Hunter Thomas 1989-5-11 24729 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1012134  Castilleja rubicundula subsp. lithospermoides F. W. Pennell and D. D. Keck 1940-5-15 25413 San Mateo above Redwood City (Emerald Lake); Emerald Lake 45 Comment
  JEPS85202  Castilleja subinclusa subsp. franciscana Roy E. Buck and James A. West 1986-8-17 553 San Mateo ca 3.2 air km ene Franklin Point (Cascade Ranch, just s of Whitehouse Canyon Road, next drainage s of Whitehouse Creek drainage, on both sides of old ranch road) 106 Comment
  JEPS88830  Castilleja subinclusa subsp. franciscana T. I. and F. M. Chuang 1991-7-1 7848 San Mateo 0.8 mi n San Gregorio Beach Comment
  UC1032394  Castilleja subinclusa subsp. franciscana N. K. Carlson 1935-6-29 103 San Mateo 1 mi s Pescadero; Santa Cruz Quad. 91 Comment
  SJSU11465  Castilleja subinclusa subsp. franciscana A. J. Hutchko 1962-5-20 San Mateo foot of Grove St, Half Moon Bay Comment
  JEPS19717  Castilleja wightii Peter H. Raven 1957-6-24 10966 San Mateo just s Linda Mar Comment
  RSA428365B  Castilleja wightii Glenn A. Gorelick 1967-4-4 s.n. San Mateo San Bruno Mts; overlooking Daly City near San Francisco. Comment
  SEINET3840786  Castilleja wightii Unknown 2005-6-21 5 .371 San Mateo Northeast corner of Pilarcitos Lake, SF Water District land 250 Comment
  UC198269  Castilleja wightii Katharine Brandegee 1917-7-22 San Mateo Mussel Rock Station, Ocean Shore Railway Comment
  UC202800  Castilleja wightii A. D. E. Elmer Jul 1903 4761 San Mateo San Pedro; ; San Pedro, San Mateo Co. Comment
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Nov 23 2007
  UC76054  Castilleja wightii Harley P. Chandler 1901-3-15 813 San Mateo w of Colma Comment
  HSC20580  Castilleja wightii L. S. Rose 1965-4-22 65026 San Mateo San Bruno Mtn., S of parking lot 366 Comment
  JEPS103882  Castilleja wightii T. I. Chuang and F. M. Chuang 1991-7-1 7847 San Mateo ca. 7 miles South of halfmoon Bay. Comment
  JEPS79097  Castilleja wightii L. R. Heckard 1980-5-3 5191 San Mateo s of Guadalupi Parkway, San Bruno Mt. (on slopes about Fern Rock, n part of San Bruno Mt., in upper end of drainage of Guadalupi Valley); San Bruno Mt., Guadalupi Valley, Fern Rock 182 Comment
  POM248731  Castilleja wightii J. T. Howell 1938-5-1 13767 San Mateo Colma Canyon. 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
  RSA296376  Castilleja wightii R. C. Bacigalupi, G. Thomas Robbins 1954-6-18 4557 San Mateo Road-bank just south of bridge across Arroyo de los Frijoles, along Calif. Highway No 1, 3.3 miles south of Pescadero. Comment
  RSA517382  Castilleja wightii L. R. Heckard 1963-7-18 3142 San Mateo Along La Honda road from SkyLonda to LaHonda, 2 miles below (SW) junction with Skyline Blvd. 366 Comment
  UCD123037  Castilleja wightii Lewis S. Rose 1965-4-22 65026 San Mateo San Bruno Mountain, south of parking lot. 365 Comment
  CAS-BOT-BC39381  Caulanthus lasiophyllus Reed Clark Rollins 1942-4-30 3005 San Mateo Southeast slope of the San Bruno Hills, about 1 mile west of Brisbane. Comment
  CAS-BOT-BC47936  Ceanothus Le Roy Abrams 1902-5-20 2476 San Mateo Kings Mountain Comment
  CAS-BOT-BC47946  Ceanothus arboreus George Oberlander 1950-4-2 588 San Mateo San Andreas Dam Comment
  JROH3517  Ceanothus cuneatus var. cuneatus Le Roy Abrams 1898-3-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3523  Ceanothus cuneatus var. cuneatus John H. Thomas 1970-4-29 15614 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA48819  Ceanothus cuneatus var. dubius E. K. Balls 1948-3-19 7869 San Mateo 2 mi. N. of S end of State Rt. 5. 305 Comment
  CAS-BOT-BC51593  Ceanothus oliganthus var. sorediatus A. D. E. Elmer 1903-5-1 4479 San Mateo Portola Comment
  JROH3531  Ceanothus oliganthus var. sorediatus John H. Thomas 1975-5-12 17847 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1071321  Ceanothus oliganthus var. sorediatus G. E. Sindel 1935-8-29 345 San Mateo 2 1/2 mi nw Black Mt.; Santa Clara Quad. Comment
  UCSB18628  Ceanothus oliganthus var. sorediatus Schulte, John 1963-4-14 San Mateo between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  CAS-BOT-BC51246  Ceanothus papillosus Le Roy Abrams 1902-5-20 2412 San Mateo King's Mountain Comment
  RSA130954  Ceanothus papillosus Josephine Randall 1907-6-29 s.n. San Mateo Santa Cruz Peninsula, King's Mountain Road. Comment
  RSA77705  Ceanothus papillosus D. D. Keck 1932-5-11 1774 San Mateo E side of Kings Mtn, on Kings Mtn road. 503 Comment
  SEINET3814716 Image available Ceanothus papillosus Lewis S. Rose 1939-5-5 39098 San Mateo Skyline Boulevard west of Saratoga Rocky hills. 732 Comment
  CAS-BOT-BC52291  Ceanothus thyrsiflorus Ira L. Wiggins 1925-5-24 1744 San Mateo Along county road from Pescadero to Pebble Beach Comment
  CAS-BOT-BC52297  Ceanothus thyrsiflorus R. Bacigalupi 1922-3-1 s.n. San Mateo lagoon Arroyo de los Frijoles Comment
  POM267961  Ceanothus thyrsiflorus Jens Clausen 1941-7-1 1873 San Mateo Summit of Montara Mtn 274 Comment
  RSA130955  Ceanothus thyrsiflorus James I. McMurphy 1906-5-8 12 San Mateo Woodside Santa Cruz Mts. 122 Comment
  UC91552  Centaurea calcitrapa J. W. Congdon 1901-7-27 San Mateo San Mateo Comment
  CAS-BOT-BC274585  Centaurea calcitrapa G. H. Mallory 1919-7-21 s.n. San Mateo Santa Cruz Mountain Peninsula. Near San Mateo Comment
  CAS-BOT-BC274586  Centaurea calcitrapa L. R. Abrams; I. L. Wiggins 1930-11-13 174 San Mateo Hillside above Crystal Springs Lake Comment
  CAS-BOT-BC274590  Centaurea calcitrapa W. R. Dudley 1909-10-10 s.n. San Mateo Santa Cruz Mountain Peninsula. In San Mateo ravine, Crystal Springs Reservoir Comment
  CAS-BOT-BC274595  Centaurea calcitrapa Phillip C. Wheeler 1965-5-17 s.n. San Mateo San Bruno Mountain. Crocker Hills near Cow Palace 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
  RSA220002  Centaurea calcitrapa R. E. Frenkel 1963-12-7 319 San Mateo San Francisco Water District, Whiting Ridge Road, about 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
  CDA7169  Centaurea melitensis D. G. Kelch 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  CAS-BOT-BC277071  Centaurea melitensis Elizabeth McClintock; Paul Reeberg 1988-7-13 s.n. San Mateo San Bruno Mountains. Near the southwest corner of Guadalupe Valley 76 Comment
  HSC23977  Centaurea melitensis Mary Katherine Wicksten 1971-6-24 118 San Mateo Huddart Park, side of park entrance Comment
  SJSU15427  Centaurium tenuiflorum Toni Corelli 2011-8-25 716 b San Mateo Pescadero State Beach and Marsh Natural Preserve, Round Hill Trail at the end of Water Lane Road 12 Comment
  POM287523  Centaurium venustum Lyman Benson 1930-4-17 2068 San Mateo Stanford University. 122 Comment
  SD5599  Centromadia pungens Ulysses S. Grant IV 1925-9-2 San Mateo Burlingame Comment
  CAS-BOT-BC279331  Centromadia pungens subsp. pungens Ned Cahill 1974-10-8 377 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JROH1688  Cerastium glomeratum John H. Thomas 1957-4-16 6649 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC388394  Cerastium glomeratum Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mountain. South Power Line Ridge Comment
  CAS-BOT-BC400169  Ceratophyllum demersum W. R. Dudley 1909-10-4 s.n. San Mateo Santa Cruz Mountain Peninsula. W. twin-pond near Mussel Rock Comment
  CAS-BOT-BC135472  Cercocarpus betuloides var. betuloides K. Hofpaugh 1929-5-6 585 San Mateo La Honda Grade Comment
  JROH3613  Cercocarpus betuloides var. betuloides W. R. Dudley 1893-12-3 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Dam Comment
  JROH3627  Cercocarpus betuloides var. betuloides John Hunter Thomas 1981-7-24 20730 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA4771  Chamaesyce serpens J. T. Howell 1979-8-11 53359 San Mateo Airport Sheraton, Airport Boulevard, Burlingame. 0 Comment
  RSA299223  Chamaesyce serpens J. T. Howell 1979-8-11 53359 San Mateo Airport Sheraton, Airport Blvd., Burlingame. Comment
  CHSC57077  Chenopodium californicum Steven Triano 1988-5-24 212 San Mateo Located ca 750 ft s of Hwy. 1 and 2.9 mi s of Pigeon Point Light Station. 24 Comment
  JROH1819  Chenopodium californicum John H. Thomas 1966-4-29 11585 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1820  Chenopodium californicum D. E. Breedlove 1971-5-11 19334 San Mateo Jasper Ridge Biological Preserve, Stanford University; at Pinon Road along fence Comment
  POM164765  Chenopodium murale C. F. Baker 1902-9-2 1549 San Mateo Crystal Springs Lake. Comment
  RSA181237  Chenopodium murale John H. Thomas 1963-5-20 10106 San Mateo Ano Nuevo Island, 1/2 mile off shore and about 20 miles NW of Santa Cruz. Comment
  CAS-BOT-BC497726  Chlorogalum pomeridianum Eric Walther 1919-6-9 s.n. San Mateo Woodside Comment
  CAS-BOT-BC499310  Chlorogalum pomeridianum var. divaricatum Elizabeth McClintock 1963-6-9 s.n. San Mateo Plants of San Bruno Mountain Comment
  JROH4645  Chlorogalum pomeridianum var. pomeridianum D. E. Breedlove 1971-5-31 19390 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH4648  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
  RSA133889  Chlorogalum pomeridianum var. pomeridianum John H. Thomas 1958-6-11 7222 San Mateo About 4.3 miles due E of Belmont near Crystal Springs Reservoir. 91 Comment
  CDA33536  Chondrilla juncea John Beall 2010-6-21 PDR# 1621666 San Mateo San Carlos, city block of El Camino Real, Olive Street, Arroyo St, & Laurel Street. 0 Comment
  CDA19860  Chondrilla juncea D. Pendleton 2002-5-2 PDR 065847 San Mateo San Francisco Bay Area; Belmont Ave & El Camino Real, San Carlos. 0 Comment
  CDA20080  Chondrilla juncea J. Beall 2002-11-18 PDR P 205608 San Mateo San Francisco Bay Area; across the street from 3975 Pacific Blvd. 0 Comment
  POM165065  Chorizanthe cuspidata var. cuspidata A. D. E. Elmer 1903-05 s.n. San Mateo San Pedro Comment
  UC125349  Chorizanthe robusta Katharine Brandegee June 1905 San Mateo Colma Comment
  RSA51324  Chrysanthemum segetum Peter H. Raven 1950-4-30 1971 San Mateo along streets, Montara 24 Comment
  UCSB1025  Chrysolepis chrysophylla Muller, Cornelius 1951-1-28 San Mateo South of Pescadero Comment
  CAS-BOT-BC285236  Cichorium intybus J. H. Thomas 1954-5-28 4229 San Mateo Redwood City. Near intersection of Bayshore and Main St. Comment
  CAS-BOT-BC285235  Cichorium intybus Philip Wheeler 1966-10-16 s.n. San Mateo San Bruno Mountain. West end of Crocker Industrial Park. West of quarry Comment
  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
  CAS-BOT-BC100941  Cirsium fontinale var. fontinale Alice B. Wright 1921-4-1 s.n. San Mateo Cyrstal Springs Comment
  CAS-BOT-BC100943  Cirsium fontinale var. fontinale John Thomas Howell 1939-6-16 14746 San Mateo Crystal Springs Lake Comment
  SEINET14157453  Cirsium fontinale var. fontinale Unknown San Mateo 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-BC280520  Cirsium quercetorum A. D. E. Elmer 1903-6-1 4290 San Mateo Crystal Springs Lake Comment
  JEPS121559  Cirsium quercetorum Adam C. Schneider 2013-5-17 168 San Mateo Crystal Springs Reservoir Comment
  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
  CAS-BOT-BC280525  Cirsium quercetorum V. F. Hesse 1964-5-26 3198 San Mateo Whitehouse Creek road 60 Comment
  CAS-BOT-BC280526  Cirsium quercetorum Alice Eastwood; John Thomas Howell 1938-6-26 6054 San Mateo 2 miles south of San Gregorio Comment
  JROH637  Cirsium vulgare John H. Thomas 1973-6-15 16841 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA41290  Clarkia epilobioides Robert F. Hoover 1941-4-23 4904 San Mateo Redwood City hills Comment
  CAS-BOT-BC163970  Clarkia purpurea subsp. quadrivulnera John H. Thomas 1961-5-14 9381 San Mateo Just north of dam on San Mateo Creek 121 Comment
  CAS-BOT-BC163963  Clarkia purpurea subsp. quadrivulnera W. R. Dudley 1903-6-6 s.n. San Mateo Alpine Road, Black Mt., Santa Cruz Range Comment
  JROH3009  Clarkia purpurea subsp. viminea John H. Thomas 1967-5-31 12935 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC164569  Clarkia purpurea subsp. viminea W. R. Dudley 1905-6-18 s.n. San Mateo Field near Iverson's Place naer Peter's Creek Comment
  CAS-BOT-BC165129  Clarkia rubicunda Josephine D. Randall 1907-7-23 268 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC165162  Clarkia rubicunda Alice Eastwood 1912-6-10 331 San Mateo Millbrae Comment
  CAS-BOT-BC165177  Clarkia rubicunda A. D. E. Elmer 1903-6-1 4310 San Mateo Crystal Springs Lake Comment
  JEPS43631  Clarkia rubicunda Dr. L. M. Newlon 1921-1 251 San Mateo between Salada and Mussel Rock Comment
  JROH3026  Clarkia rubicunda John Hunter Thomas 1981-5-25 20646 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM271814  Clarkia rubicunda Lyman Benson 1930-5-12 2122 San Mateo Stanford University, Lake Searsville 152 Comment
  UCD169582  Clarkia rubicunda M. K. Wicksten 1971-8-10 224 San Mateo Moss Beach, bluff above Galway Bay. Comment
  UCR3564  Clarkia rubicunda Wm. Horn Jr. 1963-8-26 630826- 03 San Mateo 1.5 mi. east of Tunitas Beach, on Tunitas Creek Road 76 Comment
  SJSU11021  Clarkia rubicunda A. H. Lilliberg 1961-5-22 San Mateo by Woodside Heights Rd near Woodside Comment
  UC917340  Clarkia rubicunda W. A. Harvey and J. M. Tucker 1948-6-29 1709 San Mateo just w Highway 5 (Skyline Boulevard) (beside road to Portola State Park) Comment
  UCD104827  Clarkia rubicunda H. F. Copeland 1929-7-4 s.n. San Mateo La Honda Grade. Comment
  SEINET4149816  Clarkia speciosa E. Crawford 1982-9-25 s.n. San Mateo About 2 miles west of San Gregario on San Gregario Road 37 Comment
  JROH3039  Clarkia unguiculata John Rawlings, Ann Lambrecht 2010-6-23 0932 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along Trail 2 through small meadow about 700 yards east of the Trail 3 intersection. 81 Comment
  CAS-BOT-BC439294  Claytonia exigua subsp. exigua John H. Thomas 1971-5-2 15854 San Mateo Near intersection of Canada and Edgewater roads. About 4 miles SW of center of Redwood City. 304 Comment
  JROH3332  Claytonia exigua subsp. exigua John H. Thomas 1969-4-20 14895 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM164075  Claytonia exigua subsp. exigua C. F. Baker 1903-4-6 1884 San Mateo San Bruno Hills near S.F. [San Francisco] Comment
  CAS-BOT-BC439590  Claytonia parviflora subsp. parviflora Margaret A. Barry 1937-5-15 98 San Mateo On Coal Mine Ridge Comment
  JROH5734  Claytonia parviflora subsp. parviflora John Rawlings 2015-4-5 1654 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near base of scree slope in old quarry off of Trail 12 111 Comment
  CAS-BOT-BC439595  Claytonia parviflora subsp. parviflora E. McClintock; Phillip Wheeler 1965-5-23 s.n. San Mateo San Bruno Mountain. Slope below Nike station. Comment
  CAS-BOT-BC439805  Claytonia perfoliata Ned Cahill 1974-4-29 168 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City. Comment
  CAS-BOT-BC439993  Claytonia perfoliata subsp. mexicana George Oberlander 1949-3-2 18 San Mateo San Francisco Watershed Reserve. Sawyer Ridge Comment
  RSA276897  Claytonia perfoliata subsp. mexicana J. M. Miller 1977-3-23 590 San Mateo Purisimo Canyon, 1.4 miles E of Hwy 1 on Purisimo Canyon Road. Comment
  JROH3347  Claytonia perfoliata subsp. perfoliata John H. Thomas 1967-4-28 12725 San Mateo Jasper Ridge Biological Preserve, Stanford University; near "Oaks" Comment
  JROH3416  Clematis lasiantha John H. Thomas 1979-4-12 19450 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET12099146  Clematis lasiantha J. H. Thomas 1959-1 7666 San Mateo Jasper Ridge, 5 mi SW of Palo Alto 152 Comment
  UCSC007734  Clinopodium douglasii Becky Hendricks, Chris Lay 2012-6-22 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC499375  Clintonia andrewsiana A. Kellogg 1870-5-16 s.n. San Mateo San Gregoria Creek Comment
  SEINET12046246  Clintonia andrewsiana W. R. Dudley 1893-1 s.n. San Mateo Santa Cruz Penninsula, between Woodside and Summit Springs Comment
  OBI49269  Collinsia heterophylla Lewis S. Rose 1939-5-5 39091 San Mateo San Mateo Cyn 46 Comment
  UC676737  Collinsia multicolor Reed C. Rollins 1941-3-22 2953 San Mateo 2 mi se of Daly City (San Bruno Hills); San Bruno Hills Comment
  CAS-BOT-BC240929  Collinsia multicolor W. R. Dudley 1906-5-13 s.n. San Mateo Santa Cruz Mountain Peninsula. Hills S.W. of San Mateo Comment
  JROH206  Conium maculatum John H. Thomas 1964-7-3 10442 San Mateo Jasper Ridge Biological Preserve, Stanford University; along road above Searsville Lake Comment
  JROH1849  Convolvulus arvensis John Hunter Thomas 1982-7-2 21056 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low-flow crossing Comment
  SEINET5547340  Convolvulus arvensis H. S. Gentry 1931-1 94 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  JROH5743  Corallorhiza striata L. Nordby 1982-5-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. 2 km east of redwood stands Comment
  JEPS80893  Cordylanthus pilosus subsp. pilosus Monty Knudsen 1981-8-13 San Mateo w Redwood City; Edgewood Park Comment
  JROH4029  Cordylanthus pilosus subsp. pilosus John H. Thomas 1974-8-11 17508 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS70048  Cordylanthus rigidus subsp. rigidus L. R. Heckard 1971-9-26 2828 San Mateo Kings Mt. road 4.4 mi above junction route 84 457 Comment
  JROH4036  Cordylanthus rigidus subsp. rigidus Toni Corelli 2006-8-30 325 San Mateo Jasper Ridge Biological Preserve, Stanford University; upslope of Hermits Cabin site 189 Comment
  JROH5812  Cordylanthus rigidus subsp. rigidus A. Lambrecht, R. Reynolds, A. Cummings 2016-8-23 50 San Mateo Trail 9 near upper WiFi station 199 Comment
  CAS-BOT-BC101480  Corethrogyne filaginifolia J. I. McMurphy 1906-5-8 s.n. San Mateo Between Crystal Springs & Belmont Grade Comment
  LA205836  Corethrogyne filaginifolia D. Keck; 1932-5-25 1785 San Mateo E side of Crystal Springs Lake Comment
  RSA212483  Cornus californica P. H. Raven 1954-5-16 6967 San Mateo North of mouth of Lobos Creek, Presidio Comment
  CAS-BOT-BC209820  Cornus glabrata Alice Eastwood 1912-6-10 344 San Mateo Crystal Springs Comment
  UC527529  Cornus glabrata C. B. Wolf 1931-8-20 San Mateo 3 mi. w. Mayfield (on rd. to La Honda) 91 Comment
  RSA0034444  Cornus glabrata C. B. Wolf 1931-8-20 2329 San Mateo 3 miles west of Mayfield on road to La Honda. 91 Comment
  CAS-BOT-BC210355  Cornus sericea J. H. Thomas 1954-4-3 3817 San Mateo Along San Gregorio Creek about 1.5 miles west of La Honda 106 Comment
  CAS-BOT-BC210356  Cornus sericea George Oberlander 1950-5-6 897 San Mateo San Francisco Watershed Reserve. Pilarcitos Canyon Comment
  JROH1864  Cornus sericea subsp. sericea John H. Thomas 1961-5-5 9211 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below Searsville Dam 76 Comment
  JROH1873  Cornus sericea subsp. sericea John Hunter Thomas 1983-4-21 21643 San Mateo Jasper Ridge Biological Preserve, Stanford University; along causeway Comment
  JROH5906  Cornus sericea subsp. sericea M. Ray 1982-4-25 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; swamp trail about 1 km from Mapache Gate Comment
  UC1191448  Coronopus didymus Malcolm A. Nobs, S. Galen Smith 1949-8-26 1594 San Mateo at mouth of Pescadero Creek Pescadero Creek Comment
  CAS-BOT-BC190044  Cortaderia jubata J. H. Thomas 1958-9-15 7472 San Mateo 0.4 mile north of dam on San Mateo Creek along Skyline Boulevard. 91 Comment
  JROH4975  Cortaderia selloana John Hunter Thomas 1982-7-3 21060 San Mateo Jasper Ridge Biological Preserve, Stanford University. Lake edge Comment
  CAS-BOT-BC180276  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1965-5-15 1110 San Mateo Upper Bitter Cherry Ravine. 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
  UCD110057  Corylus cornuta subsp. californica Franklin W. Martin; Madelain N. Martin 1960-3-26 47 San Mateo YMCA camp 10 miles east of Pescadero. 152 Comment
  RSA481441  Corylus cornuta var. californica L. S. Rose 1938-2-23 38079 San Mateo Woodside. 152 Comment
  SEINET12034011  Corylus cornuta var. californica J. H. Thomas 1959-1 7668 San Mateo Jasper Ridge,about 5 mi SW of Palo Alto 91 Comment
  JROH659  Cotula australis John H. Thomas 1979-4-8 19445 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA176543  Cotula coronopifolia John H. Thomas 1963-5-8 10063 San Mateo San Bruno Mtn in northern part of county. 305 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
  JEPS50002  Crassula aquatica F. T. Bioletti June, 1893 San Mateo Lake Pilarcitos Comment
  UC1101408  Crassula aquatica Malcolm A. Nobs and S. Galen Smith 1949-8-16 1580 San Mateo ca. 1 mi. s. Half Moon Bay Comment
  CAS-BOT-BC344962  Crataegus monogyna Peter Rubtzoff 1975-11-8 8435 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. Comment
  JROH668  Crepis vesicaria subsp. taraxacifolia John Hunter Thomas 1986-6-7 24082 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU4570  Crepis vesicaria subsp. taraxacifolia C. S. Hendrich 1963-3-20 San Mateo Sharon Estate by Sand hill Road near Stanford Comment
  RSA152117  Crocosmia X crocosmiiflora John H. Thomas 1961-8-27 9700 San Mateo Western end of San Bruno Mountain 244 Comment
  JROH4995  Crypsis schoenoides John Hunter Thomas 1988-10-17 24598 San Mateo Jasper Ridge Biological Preserve, Stanford University; on delta in lake Comment
  JROH4998  Crypsis schoenoides John Rawlings 2009-9-9 0999 San Mateo Jasper Ridge Biological Preserve, Stanford University; in drying bed of Middle Lake 104 Comment
  JROH1358  Cryptantha flaccida Robert Robertson 1954-4-23 92 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1375  Cryptantha micromeres D. E. Breedlove 1971-5-11 19331 San Mateo Jasper Ridge Biological Preserve, Stanford University; at Pinon Road along fence Comment
  JROH1371  Cryptantha microstachys Herbert Dengler 1960-5-31 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; firetrail on top of Nolan Ridge (the ridge N.E. of Corte Madera Cr. in chaparral -- about 200 yds W. of Westridge border) Comment
  JROH1378  Cryptantha microstachys John Hunter Thomas 1978-5-16 19213 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5670  Cryptantha microstachys John Rawlings 2015-5-7 1264 San Mateo Jasper Ridge Biological Preserve, Stanford University; along Rd E south side of Big Inlet. 117 Comment
  JROH1384  Cryptantha torreyana var. pumila Herbert Dengler 1960-5-31 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; firetrail on top of Nolan Ridge (the ridge N.E. of Corte Madera Cr.) -- about 200 yds W. of Westridge border Comment
  SD38407  Cuscuta pacifica var. pacifica Edith A. Purer 1933-8-13 5408 San Mateo Small bottom near Baden Station Comment
  SEINET12278070  Cuscuta salina E. A. Purer 1933-1 5408 San Mateo Near Baden Station Comment
  SEINET891435  Cuscuta salina var. major Lewis S. Rose 1949-1 49167 San Mateo On Salicornia ambigue, Michx South San Francisco. Salt marshes. Comment
  UCD163787  Cyclospermum leptophyllum Peter Rubtzoff 1988-6-25 9927 San Mateo Menlo Park, on Willow Road near Alma Street. Comment
  CAS-BOT-BC287329  Cynara cardunculus J. H. Thomas 1958-10-21 7487 San Mateo Near intersection of Bayshore Highway and Main St, Redwood City, near slough Comment
  JEPS22117  Cynara cardunculus subsp. cardunculus J. H. Thomas 1958-10-21 7487 San Mateo near intersection of Bayshore Highway and Main Street; Redwood City Comment
  RSA141091  Cynara scolymus John H. Thomas 1960-6-25 8800 San Mateo Redwood City. Along or near a small creek running into Redwood Slough between El Camino Real and railroad tracks, near Maple Street. 8 Comment
  JROH5000  Cynodon dactylon John H. Thomas 1966-4-24 11581 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS68165  Cynoglossum grande Elsa Kraeger 1926-2-21 San Mateo along roadside near La Honda Comment
  JROH1392  Cynoglossum grande John H. Thomas 1967-5-31 12941 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC217971  Cynosurus echinatus Elizabeth McClintock; Paul Reeberg 1989-6-18 s.n. San Mateo Saddle Area, San Bruno Mountains 213 Comment
  JROH5016  Cynosurus echinatus John Rawlings 2013-4-13 1127 San Mateo Jasper Ridge Biological Preserve, Stanford University. Crest of ridge above Bear Creek serpentine. 96 Comment
  UC457144  Cyperus eragrostis David D. Keck 1263 San Mateo desiccated swamp near Searsville Lake 75 Comment
  CAS-BOT-BC114457  Cyperus eragrostis W. R. Dudley 1908-6-19 s.n. San Mateo Road from Tanforan to Jersey Dairy. Comment
  SEINET3909444  Cyperus eragrostis K. Thorne, J. Chandler 1986-7-25 4926 San Mateo Half Moon Bay, 2 mi S of Moss Beach at Dune Beach.; 0 Comment
  CAS-BOT-BC133771  Cypripedium fasciculatum Mrs. C. S. Jordan 1915-4-1 s.n. San Mateo Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC136518  Cypripedium montanum Wm. Cranston 1915-4-1 s.n. San Mateo Field redacted by CAS, contact the data manager for more information Comment
  JROH22  Cystopteris fragilis Richard Jeffers 1981-4-19 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  CAS-BOT-BC198195  Cytisus scoparius Phillip C. Wheeler 1965-4-27 s.n. San Mateo Brisbane, San Bruno Mountain Comment
  UCSB11177  Cytisus scoparius Connelly, Dianne 1962-4-21 San Mateo Corner of Milbrae and Sky Line Boulevard; 12 miles southeast of San Francisco 121 Comment
  JROH5030  Dactylis glomerata John Hunter Thomas 1988-5-25 24491 San Mateo Jasper Ridge Biological Preserve, Stanford University. SLAC corridor. Comment
  CAS-BOT-BC192231  Danthonia californica Ira L. Wiggins 1929-5-10 3673 San Mateo At Pigeon Point Comment
  CAS-BOT-BC192233  Danthonia californica L. R. A. 1902-5-11 2451 San Mateo Crystal Springs Comment
  CAS-BOT-BC192241  Danthonia californica R. S. Ferris 1921-5-28 2189 San Mateo Near Pescadero, coast road Comment
  CAS-BOT-BC192243  Danthonia californica A. D. E. Elmer 1903-6-1 4707 San Mateo Crystal Springs Lake Comment
  UC127291  Deinandra corymbosa Katharine Brandegee 1908-3-8 San Mateo San Pedro Pt. Comment
  JEPS35779  Deinandra corymbosa V. F. Hesse 1964-5-26 3201 San Mateo near coast Whitehouse Creek Road 45 Comment
  CAS-BOT-BC299218  Deinandra corymbosa subsp. corymbosa Elsie Zeile 1909-5-20 s.n. San Mateo Burlingame Comment
  CAS-BOT-BC299221  Deinandra corymbosa subsp. corymbosa Alice Eastwood 1921-7-17 s.n. San Mateo Granada Comment
  CAS-BOT-BC9221  Delphinium californicum George Thomas Oberlander 1949-6-25 241 San Mateo Pilarcitos Canyon Comment
  CAS-BOT-BC9223  Delphinium californicum J. H. Thomas 1961-5-7 9279 San Mateo San Bruno Mountain in northern part of county 396 Comment
  UC511171  Delphinium californicum Lyman Benson 1930-5-12 2127 San Mateo Lake Searsville San Francisco Bay watershed, Santa Cruz Mt. Range, Stanford 152 Comment
  CAS-BOT-BC9215  Delphinium californicum Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo San Bruno Mountain, Romanzoffia Ravine 396 Comment
  CAS-BOT-BC9229  Delphinium decorum Elizabeth McClintock 1965-3-28 s.n. San Mateo San Bruno Mountains, between April Brook and Radio Road Comment
  CAS-BOT-BC9248  Delphinium decorum Elizabeth McClintock 1972-4-23 s.n. San Mateo San Bruno Mountains, above Fern Rock Comment
  RSA15301  Delphinium decorum Carl B. Wolf 1927-4-3 271 San Mateo 1 mile above La Honda. Santa Cruz Mountains. Comment
  RSA394480  Delphinium decorum subsp. decorum Glenn A. Gorelick 1968-5-12 s.n. San Mateo San Bruno Mtns, Overlooking Daly City near San Francisco Comment
  JROH3446  Delphinium hesperium subsp. hesperium John Hunter Thomas 1977-6-16 18775 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
  CAS-BOT-BC116530  Delphinium patens subsp. patens W. Dudley 1894-5-1 s.n. San Mateo Woodside to Crystal Springs Reservoir Comment
  JROH3452  Delphinium patens subsp. patens John H. Thomas 1972-4-1 16050 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3458  Delphinium patens subsp. patens John Hunter Thomas 1980-4-10 19872 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam, grassy area Comment
  CAS-BOT-BC7893  Delphinium variegatum C. F. Baker 1902-4-6 458 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC7894  Delphinium variegatum C. F. Baker 1902-5-1 748 San Mateo not specified Comment
  CAS-BOT-BC7899  Delphinium variegatum Harry A. Dutton 1900-3-11 s.n. San Mateo not specified Comment
  CAS-BOT-BC7935  Delphinium variegatum Lewis S. Rose 1933-4-30 33125 San Mateo Redwood City Comment
  CAS-BOT-BC7897  Delphinium variegatum subsp. variegatum W. R. Dudley 1896-4-4 s.n. San Mateo near Crystal Springs Comment
  CAS-BOT-BC628  Dendromecon rigida subsp. rigida Daniel Cohen 1953-5-9 83 San Mateo Near Skylind Drive on La Honda Road. Comment
  UC204139  Deschampsia A. D. E. Elmer June, 1903 4693 San Mateo San Pedro Comment
  JEPS83606  Deschampsia cespitosa subsp. holciformis Roy E. Buck and Randall A. Morgan 1984-6-17 505 San Mateo ca. 5.7 km. s.w. of Redwood City (in area bounded by Hwy. I-280 & Edgewood Rd. & Canada Rd.); San Francisco Watershed Reserve 152 Comment
  CAS-BOT-BC192633  Deschampsia danthonioides David D. Keck 1932-4-29 1448 San Mateo Redwood City Comment
  JROH5051  Deschampsia danthonioides John H. Thomas 1983-6-29 22718 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5052  Deschampsia danthonioides John Hunter Thomas 1986-4-30 23983 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5071  Deschampsia elongata John Hunter Thomas 1987-5-15 24285 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along road from low flow crossing to the west side of the dam. Comment
  JROH5075  Deschampsia elongata W. Lennihan 1990-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Mapache Trail (12) before swale, just before going uphill onto Trail 10, right and left of path. Comment
  UCD63588  Deschampsia elongata A. A. Beetle 1942-6-11 3598 San Mateo Rt. 5, 15 miles south of San Bruno. Comment
  JROH4656  Dichelostemma capitatum subsp. capitatum John H. Thomas 1967-5-10 12843 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4660  Dichelostemma capitatum subsp. capitatum John Hunter Thomas 1991-4-25 25003 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC209018  Digitaria sanguinalis Lewis S. Rose 1965-9-20 65108 San Mateo Trousdale Dr. & California Dr., Burlingame 9 Comment
  JROH5078  Digitaria sanguinalis John H. Thomas 1974-10-29 17648 San Mateo Jasper Ridge Biological Preserve, Stanford University. Small peninsula created by drainage channel cut to accomodate water from Corte Madera Cr. Comment
  OBI22313  Digitaria sanguinalis Lewis S. Rose 1965-9-20 65108 San Mateo Burlingame, Trousdale Dr & Californica Dr 9 Comment
  CAS-BOT-BC150445  Diplacus aurantiacus Saichi Kawahara 1968-7-29 465 San Mateo Old Stage Road, south bank of Pomponio Creek 36 Comment
  CAS-BOT-BC150446  Diplacus aurantiacus Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo Base of Quarry 2 Comment
  CAS-BOT-BC150455  Diplacus aurantiacus Elizabeth McClintock 1965-3-28 s.n. San Mateo North Power Line Ridge Comment
  CAS-BOT-BC150456  Diplacus aurantiacus J. I. McMurphy 1906-5-20 25 San Mateo King's Mt., Santa Cruz Mts. 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
  CAS-BOT-BC151993  Diplacus douglasii Roxana S. Ferris 1918-3-31 758 San Mateo Bare hill above Helveto Lake- Mud Lakes, Coal Mine Ridge - Santa Cruz Mountain Peninsula Comment
  CDA6696  Dipsacus sativus T. C. Fuller 1960-4-2 4066 San Mateo Crystal Springs Reservoir, road to Half Moon Bay. 0 Comment
  CAS-BOT-BC121857  Dirca occidentalis Lewis S. Rose 1964-3-9 64004 San Mateo N end of Crystal Springs Lake 121 Comment
  CAS-BOT-BC121868  Dirca occidentalis Alice Eastwood 1922-5-31 11334 San Mateo Crystal Springs Lakes Comment
  JROH4216  Dirca occidentalis Carol Zabel 1989-2-20 1 San Mateo Jasper Ridge Biological Preserve, Stanford University. This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA130910  Dirca occidentalis E. K. Balls 1958-7-22 23593 San Mateo North end of Searsville Lake 183 Comment
  SEINET3821107 Image available Dirca occidentalis Lewis S. Rose 1933-6-9 33222 San Mateo San Andreas Lake. Comment
  UC518034  Dirca occidentalis Lewis S. Rose 1933-6-9 33222 San Mateo San Andreas Lake Comment
  SEINET10776854 Image available Dirca occidentalis Lewis S. Rose 1939-4-12 Rose 39060 San Mateo Crystal Springs Lake 152 Comment
  SEINET6957402  Dirca occidentalis Lorin I. Nevling 1996-2-16 347 San Mateo Edgewood Park, Sylvan Trail from entrance at Old Stage Day Camp. "Western Leatherwood." Comment
  RSA15305  Disporum hookeri var. hookeri Carl B. Wolf 1927-4-3 275 San Mateo 1 mile above La Honda. Santa Cruz Mountains Comment
  POM169800  Disporum smithii A. D. E. Elmer 1903-05 4697 San Mateo Butano Creek Comment
  POM196567  Disporum smithii W. R. Dudley 1896-4-17 s.n. San Mateo By road beyond La Honda Summit. Comment
  CAS-BOT-BC195719  Distichlis spicata Walter Knight; Irja Knight 1964-9-2 s.n. San Mateo Black Point, San Bruno Comment
  CDA43448  Dittrichia graveolens John Beall 2015-10-7 PDR# 410 P06280645 San Mateo Pescadero; 6099 Pescadero Creek Road, near Dearborn Park Road. 0 Comment
  SEINET215104 Image available Dodecatheon hendersonii R. E. Dengler 1960-4-12 25 San Mateo Stanford Biological Preserve; Jasper Ridge. 130 Comment
  RSA112455  Dodecatheon hendersonii subsp. cruciatum I. L. Wiggins 1929-3-24 3383 San Mateo On road to Searville Lake, back of Stanford University. Comment
  CAS-BOT-BC159547  Drymocallis glandulosa var. glandulosa John H. Thomas 1961-5-7 s.n. San Mateo San Bruno Mountain in northern part of county. 396 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
  RSA112450  Drymocallis glandulosa var. wrangelliana Josephine Randall 1907-7-7 340 San Mateo Kings Mtn. Comment
  UC903192  Drymocallis glandulosa var. wrangelliana Ethel Crum 1930-4-27 707 San Mateo Woodside 152 Comment
  CAS-BOT-BC67879  Dryopteris arguta John H. Thomas 1961-5-7 9296 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  CAS-BOT-BC67892  Dryopteris arguta David D. Keck 1932-2-12 1361 San Mateo La Honda Road, east slope of Coast Range above Searsville Lake 304 Comment
  JROH29  Dryopteris arguta Lawrence J. Winship 1974-11-2 9 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  CAS-BOT-BC389731  Dryopteris arguta J. Lovelle 1973-7-22 s.n. San Mateo Mt. Ellen Comment
  SD38414  Dudleya caespitosa Edith A. Purer 1933-7-27 5383 San Mateo 2.0 miles south of Pigeon Point. Comment
  CAS-BOT-BC428367  Dudleya farinosa Robt. T. Orr 1961-7-28 s.n. San Mateo Ano [Ano] Nuevo Island Comment
  CAS-BOT-BC197079  Echinochloa crus-galli Ira L. Wiggins 1985-9-28 22301 San Mateo N side of San Francisquito Creek, ca 125 m upstream from Pope Street bridge, Menlo Park Comment
  JROH5084  Echinochloa crus-galli John H. Thomas 1974-10-29 17652 San Mateo Jasper Ridge Biological Preserve, Stanford University. Small peninsula created by drainage channel cut to accommodate water from Corte Madera Cr. Comment
  JROH5095  Echinochloa crus-galli John Hunter Thomas 1988-10-17 24596 San Mateo Jasper Ridge Biological Preserve, Stanford University. Growing on delta in lake Comment
  JROH1914  Elatine John Hunter Thomas 1984-4-8 23276 San Mateo Jasper Ridge Biological Preserve, Stanford University 166 Comment
  CAS-BOT-BC113594  Eleocharis acicularis W. R. Dudley 1908-6-26 s.n. San Mateo Pond W of Scofield Pond, Coal Mine Ridge, Santa Cruz Mountain Peninsula. Comment
  CAS-BOT-BC112953  Eleocharis macrostachya W. R. Dudley 1908-6-19 s.n. San Mateo By pond S of Road from Tanforan to Jersey Farm Dairy. Comment
  RSA63026  Eleocharis montevidensis L. S. Rose 1950-5-20 50146 San Mateo Emerald Lake region, hills w. of Redwood City. 244 Comment
  JROH5115  Elymus X hansenii D. E. Breedlove 1971-5-31 19368 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  RSA580523  Elymus glaucus H. F. Copeland 1929-7-4 1241 San Mateo La Honda Grade Comment
  CAS-BOT-BC203681  Elymus glaucus subsp. glaucus John H. Thomas 1961-5-14 9366 San Mateo Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. San Francisco Watershed Reserve 152 Comment
  JROH5107  Elymus glaucus subsp. glaucus John H. Thomas 1977-5-14 18605 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5112  Elymus glaucus subsp. glaucus W. Lennihan 1989-4-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 10, on hill by trail. Comment
  CAS-BOT-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
  CAS-BOT-BC235206  Elymus multisetus Ned Cahill 1974-5-30 316 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JROH5118  Elymus multisetus John H. Thomas 1967-6-1 12949 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5137  Elymus multisetus John Hunter Thomas 1992-6-8 25370 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC204302  Elymus trachycaulus subsp. trachycaulus L. R. A. 1902-5-11 2452 San Mateo Crystal Springs Comment
  CAS-BOT-BC166142  Epilobium canum subsp. canum Walter Knight; Irja Knight 1965-5-15 1112 San Mateo Pig Ranch Ravine. Up about half way on south facing slope 213 Comment
  UCR121551  Epilobium ciliatum George K. Helmkamp, E. A. Helmkamp 1999-6-28 4998 San Mateo Pescadero Creek Watershed, Bean Hollow Road 0.3 mi south of Pescadero Road (SW of Pescadero). Slopes above Butano Creek 61 Comment
  JROH3054  Epilobium ciliatum subsp. ciliatum John Hunter Thomas 1981-7-12 20689 San Mateo Jasper Ridge Biological Preserve, Stanford University; near boat dock Comment
  UC306521  Epilobium ciliatum subsp. watsonii A. D. E. Elmer July, 1903 4962 San Mateo Crystal Springs Lake Comment
  SDSU8797  Epilobium ciliatum subsp. watsonii D. F. Howe 1967-8-6 4368 San Mateo Swamp at Half Moon Bay Comment
  UC306525  Epilobium densiflorum A. D. E. Elmer June, 1903 4273 San Mateo Crystal Springs Lake Comment
  UC136743  Epilobium minutum C. F. Baker 1902-5-4 749 San Mateo Woodside Comment
  CDA39514  Epipactis helleborine T. C. Fuller 1970-5-12 19528 San Mateo Emily Brown property, 3045 Ralston Avenue, Burlingame. 0 Comment
  UCR253354  Equisetum A. C. Sanders 2014-8-3 41236 San Mateo San Francisco Bay, South San Francisco, San Francisco Bay Trail in vicinity of S Airport Drive, Utah Ave., and Haskins Way, between Hwy 101 and San Francisco Bay 6 Comment
  JROH63  Equisetum arvense John Hunter Thomas 1990-5-8 24856 San Mateo Jasper Ridge Biological Preserve, Stanford University 87 Comment
  UCD135303  Equisetum arvense J. D. Skoss 1948-7-25 49 San Mateo San Vicente Canyon near Montara. 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
  JROH67  Equisetum telmateia subsp. braunii Lawrence J. Winship 1974-11-2 4 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH73  Equisetum telmateia subsp. braunii John Hunter Thomas 1982-11-6 21206 San Mateo Jasper Ridge Biological Preserve, Stanford University. Delta along edge of Searsville Lake Comment
  MACF014295  Equisetum telmateia subsp. braunii E. Jordan 1969-1-4 12 A- San Mateo Low open area amid redwood forest. East side coast range 609 Comment
  POM25737  Equisetum telmateia var. braunii A. D. E. Elmer 1903-05 4602 San Mateo Cemeteries. Comment
  RSA15287  Equisetum telmateia var. braunii C. B. Wolf 1927-4-3 255 San Mateo 1 mile above La Honda. Santa Cruz Mountains Comment
  JROH5145  Eragrostis mexicana subsp. virescens John Rawlings 2009-7-23 1027 San Mateo Jasper Ridge Biological Preserve, Stanford University. In the dry creek bed of San Francisquito Creek near the Dennis Martin site 71 Comment
  JROH5142  Eragrostis pectinacea var. pectinacea John H. Thomas 1976-10-16 18407 San Mateo Jasper Ridge Biological Preserve, Stanford University. Dry delta in Searsville Lake at the mouth of Corte de Madera Creek. 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
  SEINET12141700  Eremocarpus setiger E. A. Purer 1933-1 5513 San Mateo Skyline Blvd Comment
  JROH3144  Eriastrum abramsii John Pelton 1958-6-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH677  Erigeron canadensis Toni Corelli 2006-9-20 327 San Mateo Jasper Ridge Biological Preserve, Stanford University. Above Corte Madera Creek, west of Trail 12 106 Comment
  UCD131896  Erigeron floribundus John Thomas Howell 1975-9-25 51508 San Mateo San Bruno Mountain. 396 Comment
  UC31473  Erigeron foliosus var. franciscensis J. Burtt Davy 1893-6-17 804 San Mateo Belmont Comment
  CAS-BOT-BC300612  Erigeron foliosus var. franciscensis Phillip C. Wheeler 1965-7-8 s.n. San Mateo San Bruno Mountain. Buckeye Canyon Comment
  CAS-BOT-BC295082  Erigeron glaucus John H. Thomas 1961-5-12 9327 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC295074  Erigeron glaucus Barrett Anderson; Peter Rubtzoff 1988-4-26 3674 San Mateo San Bruno Mountain. Radio Road south of Guadalupe Parkway 365 Comment
  CAS-BOT-BC295092  Erigeron glaucus Catherine A. Toschi 1963-3-17 63 :58 San Mateo East slope of San Bruno Mountains below radio station 213 Comment
  JROH692  Erigeron karvinskianus Herbert Dengler 1965-6-25 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; S.F. Cr. about 2' above water - N.W. of Searsville Rocks - (about 200' below Dennis Martin mill site of ca. 1849) Comment
  CAS-BOT-BC216126  Eriodictyon californicum A. D. E. Elmer 1903-4-1 4801 San Mateo Lake San Andreas Comment
  CAS-BOT-BC251979  Eriogonum latifolium John H. Thomas 1964-4-30 10352 San Mateo San Bruno Mountain in northern part of county 914 Comment
  CAS-BOT-BC251987  Eriogonum latifolium J. H. Thomas 1949-6-4 575 San Mateo Along coast, 1.4 miles S. of road to Pescadero Comment
  CAS-BOT-BC251997  Eriogonum latifolium Elsie Zeile 1909-8-23 s.n. San Mateo Granada. Open sandy cliff, bordering beach Comment
  SBBG1532  Eriogonum latifolium H. and M. Dearing 1951-8-17 6944 San Mateo Pigeon Point on Hwy 1 N of Santa Cruz Comment
  SD214602  Eriogonum latifolium Edith A. Purer 1933-7-27 5379 San Mateo Sand dunes, two miles south of Pigeon Point Comment
  SD38689  Eriogonum latifolium Edith A. Purer 1933-7-27 5370 San Mateo Sand dunes, rwo miles south of Pigeon Point Comment
  UC849505  Eriogonum latifolium Mrs. E. C. Phipps July 1922 San Mateo Tunitas Creek Comment
  UCR121581  Eriogonum latifolium George K. Helmkamp, E. A. Helmkamp 1999-6-28 4986 San Mateo Pescadero Creek Watershed, Pescadero Road just north of Loma Mar 107 Comment
  POM279949  Eriogonum latifolium Lyman Benson 1930-8-15 2565 San Mateo San Gregorio. Comment
  POM165227  Eriogonum luteolum C. F. Baker 1902-9-10 1674 San Mateo Crystal Springs Lake Comment
  RSA120436  Eriogonum luteolum Hester R. Davis 1920-6-1 177 San Mateo Back of Redwood City Comment
  RSA169306  Eriogonum luteolum L. S. Rose 1964-9-9 64073 San Mateo Emerald Lake, west of Redwood City 244 Comment
  UC614886  Eriogonum nudum var. auriculatum Beryl O. Schreiber 1932-5-29 306 San Mateo Crystale Springs Comment
  SEINET11938131  Eriogonum nudum var. auriculatum E. A. Purer 1933-1 5401 San Mateo Bayshore Highway near Redwood City Comment
  CAS-BOT-BC304087  Eriophyllum confertiflorum Ned Cahill 1974-4-30 235 San Mateo N slope of the knoll, near the intersection of Canada and Edgewood roads, about 3 miles westward from Redwood City Comment
  CAS-BOT-BC304079  Eriophyllum confertiflorum C. F. Leitholt 1894-5-30 s.n. San Mateo Santa Cruz Mt Peninsula. Hill back of Spring Valley Water Works below Belmont Comment
  POM288449  Eriophyllum confertiflorum Lyman Benson 1937-6-24 8389 San Mateo Caol Mine Ridge, Stanford University, Santa Cruz Mt. Range, S. F. Bay Watershed 366 Comment
Read comments
Oct 24 2014
  CAS-BOT-BC301263  Eriophyllum lanatum var. arachnoideum Josephine D. Randall 1907-6-29 68 San Mateo Santa Cruz Peninsula. Kings Mt. Road Comment
  CAS-BOT-BC301270  Eriophyllum lanatum var. arachnoideum W. R. Dudley 1895-9-15 s.n. San Mateo Santa Cruz Mountain Peninsula. El Corte Madera road down to Lumber Camp Comment
  JROH722  Eriophyllum lanatum var. arachnoideum John Hunter Thomas 1985-5-22 23672 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM54247  Eriophyllum latilobum A. D. E. Elmer 1903-06 4397 San Mateo San Mateo Comment
  UC1080175  Eriophyllum latilobum Sherwin Carlquist 1952-4-26 305 San Mateo 1 mi w on San Mateo-Half Moon Bay Road San Mateo Comment
  JEPS30882  Eriophyllum staechadifolium J. H. Thomas 1949-10-16 1151 San Mateo just n of outlet San Gregorio Creek Comment
  CAS-BOT-BC301964  Eriophyllum staechadifolium John H. Thomas 1963-7-19 10188 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  RSA116669  Eriophyllum staechadifolium W. R. Dudley 1894-3-26 s.n. San Mateo By road from Pescadero to San Gregorio Comment
  RSA479800  Eriophyllum staechadifolium Jerry A. Powell 1972-3-10 909 San Mateo Mt. San Bruno Comment
  SEINET11850781  Eriophyllum staechadifolium var. artemisiaefolium Unknown 1932-1 9155 San Mateo Gov. Rolph Estate Comment
  CDA5407  Eriophyllum staechadifolium var. artemisiifolium F. E. Blanc 1960-6-28 4566 San Mateo 1 mile north of Half Moon Bay. 0 Comment
  JROH2596  Erodium botrys John H. Thomas 1971-4-10 15762 C San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2603  Erodium brachycarpum W. R. Dudley 1903-4-10 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Serpentine ridge east of Searsville Reservoir. Comment
  UCSC007744  Erodium cicutarium Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  UC619415  Eryngium armatum Wilhelm N. Suksdorf 1913-6-23 278 San Mateo Crystal Springs Lake Comment
  SEINET12005811  Erysimum asperum M. T. Doutt 1931-1 240 San Mateo S of San Francisco Comment
  CAS-BOT-BC54507  Erysimum capitatum Alice Eastwood; John Thomas Howell 1938-6-26 6053 San Mateo 2 miles south of San Gregorio. Comment
  CAS-BOT-BC54820  Erysimum franciscanum Javier Penalosa 1963-3-30 2735 San Mateo San Bruno Mountains. North of Randolph Drive at Hillside Boulevard. In South San Francisco. 289 Comment
  CAS-BOT-BC54823  Erysimum franciscanum A. D. E. Elmer 1903-5-1 4480 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC54824  Erysimum franciscanum A. D. E. Elmer 1903-5-1 4480 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC54841  Erysimum franciscanum G. B. Rossbach; R. P. Rossbach 1939-6-4 914 San Mateo Above southeast shore of Crystal Springs Lake, soutwest base Pulgas Ridge. 91 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-BC54856  Erysimum franciscanum G. B. Rossbach; R. P. Rossbach 1939-4-2 908 a fl. 908b fr. San Mateo Just above and west of south end of San Andreas Lake. 213 Comment
  CAS-BOT-BC54863  Erysimum franciscanum G. B. Rossbach 1940-4-23 925 San Mateo About 1 mile inland, Montara Mountains, south of San Pedro Valley and northwest of Peak Mountain. 121 Comment
  CAS-BOT-BC54864  Erysimum franciscanum G. B. Rossbach 1940-4-23 925 San Mateo About 1 mile inland, Montara Mountains, south of San Pedro Valley and northwest of Peak Mountain. 121 Comment
  CAS-BOT-BC54865  Erysimum franciscanum G. B. Rossbach 1940-4-23 925 San Mateo About 1 mile inland, Montara Mountains, south of San Pedro Valley and northwest of Peak Mountain. 121 Comment
  CAS-BOT-BC54871  Erysimum franciscanum J. H. Thomas 1960-3-11 8540 San Mateo Near intersection of Bunker Hill Road and Skyline Drive. 91 Comment
  CAS-BOT-BC54877  Erysimum franciscanum Peter H. Raven 1950-2-25 1374 San Mateo San Bruno Mountains. Between Brisbane and N.B.C. Television Station. 243 Comment
  CAS-BOT-BC54891  Erysimum franciscanum Vernal L. Yadon 1968-4-5 s.n. San Mateo Just south of Ano Nuevo Point. Comment
  JEPS90155  Erysimum franciscanum Dean W. Taylor 1994-5-10 14277 San Mateo along Crystal Springs Road 0.3 mi e of junction of Tartan Trail (Santa Cruz Mountains, San Mateo Creek drainage); Santa Cruz Mountains, San Mateo Creek drainage 67 Comment
  RSA101842A  Erysimum franciscanum G. B. Rossbach 1939-4-2 908 -a San Mateo Just above and west of South end of San andreas Lake 213 Comment
  RSA101842B  Erysimum franciscanum G. B. Rossbach 1939-4-2 908 -b San Mateo Just above and west of South end of San andreas Lake 213 Comment
  RSA102129  Erysimum franciscanum G. B. Rossbach 1955-3-12 568 San Mateo Inland and SE of Devil s Slide, W edge of Montata Mountains 122 Comment
  RSA51239  Erysimum franciscanum P. H. Raven 1950-4-16 1781 San Mateo Colma Canyon, San Bruno Mountains. 183 Comment
  RSA530223  Erysimum franciscanum Glenn A. Gorelick 1967-11-10 s.n. San Mateo San Bruno Mountains, overlooking Daly City near San Francisco Comment
  UC1034712  Erysimum franciscanum G. B. Rossbach 1955-3-12 569 San Mateo n face of slide s Pedro Point (w edge of Montara Mts.); Devil's Slide 121 Comment
  UC1034761  Erysimum franciscanum G. B. Rossbach 1955-3 572 San Mateo high seaward slope 2 mi s San Francisco line (3 mi n of Sharp Park (Salada)) Comment
  UC1034948  Erysimum franciscanum G. B. and R. P. Rossbach 1939-6-4 914 San Mateo knoll above se shore Crystal Springs Lake (sw base of ridge); Pulgas Ridge 91 Comment
  UC1560433  Erysimum franciscanum Craig P. Martz 1988-2-1 270 San Mateo top of knoll and on roadcut between State Route 92 and Upper Crystal Spring Reservoir n SR92/I280 interchange; San Mateo 7.5' USGS Quadrangle 114 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
  SEINET10667980  Erythranthe arvensis Edward L. Greene Greene s.n. San Mateo Belmont. Comment
  SEINET14287519  Erythranthe guttata A. A. Heller 1906-6-8 8376 San Mateo Near Ocean View, San Francisco (on the Lake Merced side of the Ocean Shore tracks). Comment
  SD234189  Erythranthe guttata Virginia Pinkus Ryder 1964-2-21 78 San Mateo Near Davenport. 3 Comment
  CAS-BOT-BC403534  Eschscholzia californica Le Roy Abrams 1902-5-11 2453 San Mateo Crystal Springs Lake Comment
  JROH3094  Eschscholzia californica John H. Thomas 1967-6-1 12963 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD40077  Eschscholzia californica Edith A. Purer 1933-7-27 5384 San Mateo 2.0 miles south of Pigeon Point. Comment
  CAS-BOT-BC202745  Euonymus occidentalis W. R. Dudley 1895-6-6 s.n. San Mateo Santa Cruz Mountain Peninsula. Along Pescadero Creek, near Iversons Comment
  CAS-BOT-BC202746  Euonymus occidentalis W. R. Dudley 1910-5-26 s.n. San Mateo Santa Cruz Mountain Peninsula. Los Trancos Creek, above Judge Allen's Comment
  CAS-BOT-BC389665  Euonymus occidentalis Jeff Mitchell 1971-7-1 159 San Mateo Memorial Park Comment
  RSA100720  Euonymus occidentalis A. D. E. Elmer 1903-1 4317 San Mateo Butano Creek Comment
  JROH1969  Euphorbia peplus John H. Thomas 1967-6-1 12978 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC389751  Euphorbia peplus J. Nieri 1953-1-28 s.n. San Mateo Redwood City Comment
  UC202830  Euphorbia spathulata A. D. E. Elmer Apr 1903 4740 San Mateo Crystal Springs Lake Comment
  UC1536887  Eurybia radulina G. H. True Jr. 1937-7-31 829 San Mateo near, (Alpine Road near Skyline Blvd.) Skyline Blvd. 182 Comment
  JROH530  Eurybia radulina Carol Zabel 2005-8-1 54 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC310722  Euthamia occidentalis John H. Thomas 1976-10-7 18393 San Mateo Along coast highway #1, 0.6 miles north of northern most road to Pigeon Pt. Lighthouse. About 4.2 miles almost due south of Pescadero 30 Comment
  SJSU16002  Euthamia occidentalis John Rawlings, Toni Corelli 2016-8-22 1942 San Mateo Franklin Point Trail, Ano Nuevo State Park 10 Comment
  JROH5160  Festuca arundinacea John Hunter Thomas 1987-5-26 24320 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5689  Festuca bromoides John Rawlings 2015-2-21 1281 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 4 on north side of Jasper Ridge 167 Comment
  JROH5727  Festuca bromoides John Rawlings 2015-3-8 1307 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 8 though chaparral. 134 Comment
  UCSC007754  Festuca bromoides Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  JROH5176  Festuca californica John H. Thomas 1967-5-12 12866 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD65864  Festuca californica subsp. californica P. B. Kennedy 1916-4-1 San Mateo Daly City, Colma Canyon, S San Francisco. Comment
  CAS-BOT-BC278472  Festuca idahoensis George Oberlander 1950-4-23 799 San Mateo San Francisco Watershed Reserve Comment
  UCD163541  Festuca idahoensis Peter Rubtzoff 1980-5-3 9436 San Mateo San Bruno Mountains. The Edward Preston Lee Memorial Site and vicinity. Comment
  JROH5481  Festuca microstachys John H. Thomas 1963-5-15 10093 B San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5482  Festuca microstachys John H. Thomas 1964-4-5 10296 San Mateo Jasper Ridge Biological Preserve, Stanford University. Toward Searsville end of ridge. 152 Comment
  JROH5485  Festuca microstachys John Rawlings 2005-3-30 1016 San Mateo Jasper Ridge Biological Preserve, Stanford University. Growing around and in cracks of serpentine rock outcrops in north-facing serpentine grassland (Area H), uphill and west of the exclosure. 146 Comment
  JROH5494  Festuca myuros Herbert Dengler 1957-4-21 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5504  Festuca myuros W. Lennihan 1989-4-6 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. By parking lot near marsh. 108 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-BC278859  Festuca occidentalis W. R. Dudley 1895-6-1 s.n. San Mateo Santa Cruz Mountain Peninsula. Pescadero Creek Comment
  CAS-BOT-BC278861  Festuca occidentalis W. R. Dudley 1900-5-19 s.n. San Mateo Santa Cruz Mountain Peninsula. Above La Honda Comment
  JROH5283  Festuca perennis John H. Thomas 1973-6-15 16851 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5962  Festuca perennis John Rawlings 2017-5-24 2082 San Mateo Jasper Ridge Biological Preserve, Stanford University. SE corner of Sun Field Station along paved vehicle road to Sun Field Station loading zone 187 Comment
  UC429787  Festuca roemeri LeRoy Abrams 1902-5-11 2450 San Mateo Crystal Springs Comment
  JEPS101936  Festuca rubra Dean W. Taylor 1988-4-8 9508 San Mateo San Bruno Mountain, northern slope of southeast ridge of the mountain, near the ridgecrest- right-of-way of eastern-most set of PGandE high-voltage powerlines crossing the mountain: 237 Comment
  JROH5297  Festuca temulenta John Rawlings 2007-5-30 1014 San Mateo Jasper Ridge Biological Preserve, Stanford University; edge of mowed area (fire truck turn around) near Goya Gate 192 Comment
  RSA159417  Filago gallica John H. Thomas 1961-5-7 9249 San Mateo Colma, near intersection of El Camino Real and F Street 46 Comment
  POM87792  Fragaria californica L. R. Abrams 1902-5-20 2469 San Mateo Kings Mountain Comment
  RSA134237  Fragaria californica John H. Thomas 1950-3-19 1299 San Mateo Near intersection of Coast Hwy and road to Swanton, 1 mile SE of mouth of Waddell Creek. 30 Comment
  RSA499366  Fragaria californica T. Gertrude Williamson 1928-6-28 s.n. San Mateo La Honda Comment
  CHSC1548  Fragaria chiloensis G. Herrington 1930-5-1 San Mateo Moss Beach. Comment
  RSA499458  Fragaria chiloensis E. A. Purer 1933-7-27 5386 San Mateo Two miles south of Pigeon Point. Comment
  RSA523866  Fragaria chiloensis Chris E. True 1937-3-31 616 San Mateo Salada Beach. 610 Comment
  UC1127972  Fragaria vesca H. S. Yates 1935-2-3 5006 San Mateo 0.5 mi se Pigeon Pt.; Santa Cruz Quad. 30 Comment
  UCD113234  Fragaria vesca W. A. Harvey; J. M. Tucker 1948-6-29 1705 San Mateo Beside road to Portola State Park, just west of junction with Highway 5 (Skyline Boulevard). Comment
  SEINET11915234  Fragaria vesca subsp. californica L. S. Gill 1930-1 s.n. San Mateo Kuig Mt Comment
  CAS-BOT-BC52677  Frangula californica subsp. californica W. R. Dudley 1899-5-14 s.n. San Mateo Baden Brook hills Comment
  JROH3535  Frangula californica subsp. californica John H. Thomas 1961-6-14 9540 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC211608  Frankenia salina David D. Keck 1931-9-27 1269 San Mateo Dumbarton Bridge Comment
  SD38247  Frankenia salina Edith A. Purer 1933-8-13 5415 San Mateo Near bay, Belmont. Comment
  SEINET3151930  Frankenia salina L. S. Rose 1938-8-18 38230 San Mateo Brisbane 2 Comment
  UC872058  Frankenia salina Lewis S. Rose 1938-8-18 38230 San Mateo Brisbane 1 Comment
  CAS-BOT-BC223554  Fraxinus latifolia A. D. E. Elmer 1903-7-1 4615 San Mateo San Mateo Comment
  SEINET6694664 Image available Fraxinus oregona W. R. Dudley 1893-1 San Mateo San francisquita creek near big tree Comment
  CAS-BOT-BC130119  Fritillaria affinis L. S. Rose 1927-3-24 s.n. San Mateo Crystal Springs Lakes Comment
  CAS-BOT-BC130130  Fritillaria affinis A. D. E. Elmer 1903-5-1 5045 San Mateo Portola Comment
  CAS-BOT-BC130145  Fritillaria affinis R. Bacigalupi 1922-3-1 s.n. San Mateo Pescadero Beach Comment
  CAS-BOT-BC130146  Fritillaria affinis J. H. Thomas 1954-6-11 4268 San Mateo Along San Gregorio Creek about 1.5 mi. W. of La Honda 106 Comment
  JEPS55687  Fritillaria affinis W. Roderick 1962-2-10 San Mateo Mount San Bruno 3 Comment
  CAS-BOT-BC130210  Fritillaria agrestis Roxana S. Ferris 1921-3-21 2120 San Mateo New Years Point - [Ann] Ano Nuevo Comment
  CAS-BOT-BC130379  Fritillaria liliacea James McMurphy 1909-3-20 s.n. San Mateo Crystal Springs Comment
  POM273462  Fritillaria liliacea Lyman Benson 1929-3-16 s.n. San Mateo Crystal Springs Lake, Spring Valley Comment
  CDA20772  Fumaria capreolata D. Pendleton 2006-6-13 PDR 1381606 San Mateo Old Jackson Orchard Nursery, Pescadero Creek Rd.. Comment
  JROH3103  Fumaria capreolata John Rawlings, Toni Corelli 2012-5-15 1123 San Mateo Jasper Ridge Biological Preserve, Stanford University. Road H at Bear Creek crossing 85 Comment
  UCD95125  Fumaria officinalis A. P. N. 1960-3-11 517 San Mateo Highway 1, south of Montara. Comment
  CAS-BOT-BC389733  Galium J. Lovelle 1973-8-5 37 San Mateo Mt. Ellen Trail Comment
  JEPS127813  Galium aparine Adam C. Schneider with C. Matt Guilliams 2013-4-7 77 San Mateo Comment
  RSA130682  Galium aparine James I. McMurphy 1906-5-8 s.n. San Mateo Near head of Crystal Springs Lakes Comment
  JROH3789  Galium murale John H. Thomas 1963-4-13 10032 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville end of lake near the riders shack. Comment
  JROH5704  Galium parisiense John Rawlings 2015-4-7 1456 San Mateo Jasper Ridge Biological Preserve, Stanford University; quarry off Trail 12 110 Comment
  JROH3814  Galium porrigens var. porrigens John Hunter Thomas 1983-4-28 21782 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1143094  Galium porrigens var. porrigens H. S. Yates 1935-2-3 509 San Mateo 1/2 mi se Pigeon Pt.; Santa Cruz Quadrangle Comment
  UC496159  Galium porrigens var. porrigens W. F. Wight 1900-1-28 San Mateo trail to Bukhorn Ranch above Prestons (old La Honda Rd.) Comment
  SEINET10902556  Galium triflorum Mary Susan Taylor 1978-8-30 Taylor 1857 San Mateo Comment
  JROH802  Gamochaeta ustulata John Hunter Thomas 1987-5-5 24254 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM204331  Gamochaeta ustulata I. L. Wiggins 1929-7-4 3772 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  RSA502345  Gamochaeta ustulata D. W. Taylor 1988-4-8 9506 San Mateo San Bruno Mountain, northern slope of southeast ridge of the mountain, near the ridgecrest. 238 Comment
  CAS-BOT-BC194567  Garrya elliptica W. R. Dudley 1895-2-10 s.n. San Mateo San Mateo Ravine by Road above Pt. of Rocks 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
  OBI14169  Garrya elliptica Lewis S. Rose 1962-2-5 62001 San Mateo San Andreas Lake 152 Comment
  POM132460  Garrya elliptica A. D. E. Elmer 1903-02 4469 San Mateo Portola. Comment
  RSA116710  Garrya elliptica Josephine Randall 1910-02 s.n. San Mateo Los Traucos Creek. 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
  JEPS121494  Genista monspessulana Adam C. Schneider with C. Matt Guilliams 2013-3-9 43 San Mateo Crystal Springs Reservoir Comment
  JROH2019  Genista monspessulana John Hunter Thomas 1991-5-2 25005 San Mateo Jasper Ridge Biological Preserve, Stanford University; low-flow crossing Comment
  SD227830  Geranium carolinianum G. K. Helmkamp, E. A. Helmkamp 1998-5-16 3738 San Mateo Portola Valley: Golden Hills Rd. along Los Trancos Creek. 106 Comment
  UCR101651  Geranium carolinianum George K. Helmkamp, E. A. Helmkamp 1998-5-16 3738 San Mateo Portola Valley, Golden Hills Rd along Los Trancos Creek 107 Comment
  RSA0028369  Geranium carolinianum W. R. Dudley 1898-4-24 s.n. San Mateo Field near Corte de Madera Bridge. Comment
  JROH2622  Geranium molle John H. Thomas 1955-5-6 5005 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3169  Gilia John Hunter Thomas 1983-4-20 21534 San Mateo Jasper Ridge Biological Preserve, Stanford University. Low-flow crossing Comment
  RSA128903  Gilia achilleifolia subsp. multicaulis Harry A. Dutton 1900-4-19 A. San Mateo Santa Cruz Peninsula Comment
  UC75487  Gilia clivorum C. F. Baker Apr 1903 1930 San Mateo Crystal Springs Lake 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
  RSA3894  Gnaphalium chilense I. L. Wiggins 1929-7-4 3792 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach Comment
  RSA130389  Gnaphalium palustre W. R. Dudley 1909-10-31 s.n. San Mateo Searsville Lake. The Santa Cruz Mtn Peninsula. Comment
  POM223282  Gnaphalium ramosissimum L. S. Rose 1935-8-13 35568 San Mateo Salada. 30 Comment
  POM358931  Gnaphalium ramosissimum E. S. Spalding 1923-8-3 s.n. San Mateo 3 miles W of Redwood City, near Pulgas Tunnel. Comment
  SD12565  Grindelia arenicola Edith A. Purer 1933-7-27 5369 San Mateo 2 miles south of Pigeon Point Comment
  CAS-BOT-BC304518  Grindelia hirsutula Alice Eastwood 1937-7-25 18885 San Mateo Pebble Beach, Pescadero Comment
  CAS-BOT-BC304521  Grindelia hirsutula J. T. Howell No date on label s.n. San Mateo Pigeon Pt. Comment
  CAS-BOT-BC304523  Grindelia hirsutula H. E. McMinn 1922-6-22 252 San Mateo Near Half Moon Bay (?). Coast road to Half Moon Bay Comment
  CAS-BOT-BC304542  Grindelia hirsutula W. R. Dudley 1894-5-30 s.n. San Mateo Santa Cruz Peninsula. Near Redwood City Comment
  CAS-BOT-BC304552  Grindelia hirsutula W. R. Dudley 1899-5-14 s.n. San Mateo Santa Cruz Peninsula. By road from Pilarcitos to San Andreas Comment
  JEPS29417  Grindelia hirsutula L. R. Heckard 1961-7-16 1264 San Mateo across road from transmitting station KQED (near summit of San Bruno Mt.); San Bruno Mt. 335 Comment
  JEPS78925  Grindelia hirsutula Rimo Bacigalupi with G. T. Robbins 1954-6-18 4550 San Mateo road bank along Alpine Road 1/4 mi w Skyline Boulevard 701 Comment
  POM57689  Grindelia hirsutula C. F. Baker 1903-4-8 s.n. San Mateo San Andreas Lake Comment
  POM57690  Grindelia hirsutula C. F. Baker 1902-5-1 687 San Mateo Crystal Springs Lake. Comment
  UC1599358  Grindelia hirsutula L. R. Heckard 1961-7-16 1264 San Mateo across road from transmitting station KQED (near summit of mt.); San Bruno Mt. 335 Comment
  UC483491  Grindelia hirsutula Ira L. Wiggins 1929-7-4 3799 San Mateo sea bluffs at Pescadero Beach Pescadero Beach Comment
  JROH818  Grindelia hirsutula John Hunter Thomas 1978-5-12 19203 San Mateo Jasper Ridge Biological Preserve, Stanford University; draw to Ridge from near the dam Comment
  CHSC22931  Grindelia stricta Robert A. Schlising; Glenn Keator 1962-2-3 2050 San Mateo Coast Ranges. Shore; along area at Gazos Creek and Highway 1. Comment
  RSA21911  Grindelia stricta var. angustifolia L. S. Rose 1938-8-18 38229 San Mateo Brisbane 2 Comment
  RSA0110999  Grindelia stricta var. angustifolia E. A. Purer 1933-8-26 5525 San Mateo Along highway. [No further location information.] Comment
  POM51491  Grindelia stricta var. platyphylla Katherine Brandegee 1917-7-15 s.n. San Mateo Moss Beach. Comment
  CAS-BOT-BC282868  Hainardia cylindrica A. G. Vestal 1926-5-1 s.n. San Mateo San Pedro Point Comment
  SEINET11849180  Haplopappus ericoides E. A. Purer 1933-1 5511 San Mateo Skyline Drive Comment
  CAS-BOT-BC309541  Helenium puberulum A. D. E. Elmer 1903-7-1 4968 San Mateo San Mateo 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
  CAS-BOT-BC309533  Helenium puberulum George Oberlander 1949-7-30 318 San Mateo San Francisco Watershed Reserve. Pilarcitos Canyon Comment
  JROH856  Helianthella californica var. californica John Hunter Thomas 1981-5-8 20564 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC224057  Helianthemum scoparium George Oberlander 1949-6-25 225 San Mateo San Francisco Watershed Reserve Comment
  RSA176823  Helianthemum scoparium var. scoparium John H. Thomas 1961-5-5 9220 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. 152 Comment
  CAS-BOT-BC453465  Hemitomes congestum Louise Koenig 1928-6-1 s.n. San Mateo Skyline Boulevard in a canyon at the head of La Honda Creek Comment
  CAS-BOT-BC453466  Hemitomes congestum R. S. Ferris 1923-5-26 3787 San Mateo Chris Iverson Trail, Butano Ridge Comment
  CAS-BOT-BC314927  Hemizonia congesta subsp. luzulifolia Ned Cahill 1974-4-29 188 San Mateo Near the intersection of Canada and Edgewood Roads about 3 mi. westward from Redwood City Comment
  CAS-BOT-BC314936  Hemizonia congesta subsp. luzulifolia C. F. Baker 1903-6-30 3350 San Mateo Crystal Springs Comment
  CAS-BOT-BC314940  Hemizonia congesta subsp. luzulifolia Linda Fox 1969-6-20 1002 San Mateo Near Canada College, Redwood City just off of Farm Hill Blvd. Comment
  CAS-BOT-BC314950  Hemizonia congesta subsp. luzulifolia L. R. Abrams 1914-7-15 5140 San Mateo Crystal Springs Comment
  SBBG55408  Hemizonia congesta subsp. luzulifolia L. R. Abrams 1914-7-15 5140 San Mateo Crystal Springs Comment
  UC614964  Hemizonia congesta subsp. luzulifolia Beryl O. Schreiber 1932-5-29 308 San Mateo Crystal Springs Comment
  CAS-BOT-BC314930  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1909-5-20 s.n. San Mateo Summit between San Mateo and Crystal Springs Lakes Comment
  CAS-BOT-BC314935  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1956-5-28 56082 San Mateo Skyline Blvd. w. of San Mateo 182 Comment
  POM360252  Hemizonia corymbosa subsp. corymbosa E. A. Purer 1933-7-27 5339 San Mateo Pigeon Point Comment
  POM53591  Hemizonia luzulifolia C. F. Baker 1903-6-30 3350 San Mateo Crystal Springs Comment
  RSA81636  Hemizonia luzulifolia James I. McMurphy 1909-5-25 s.n. San Mateo Summit between San Mateo and Crystal Springs Lakes. Comment
  SEINET7883478 Image available Hemizonia luzulifolia Lewis S. Rose 1941-1 41470 San Mateo Belmont 6 Comment
  RSA212183  Hemizonia luzulifolia subsp. rudis L. S. Rose 1970-7-26 70078 San Mateo Hillsborough, Black Mountain, Skyline Blvd. 122 Comment
  UC1084378  Heracleum lanatum G. Thomas Robbins 1937-4-11 75 San Mateo along Skyline Blvd. s. of San Francisco Comment
  JROH252  Heracleum maximum John Hunter Thomas 1986-5-1 23989 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low flow crossing near San Francisquito Creek Comment
  RSA128900  Heracleum maximum P. H. Raven 1950-6-3 2237 San Mateo Woods around San Andres Lake 122 Comment
  CAS-BOT-BC403867  Hesperocnide tenella George Oberlander 1950-4-16 695 San Mateo San Francisco Watershed Reserve. Pilarcitos Canyon Comment
  JROH116  Hesperocyparis macrocarpa John Hunter Thomas 1979-9-9 19734 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC176212  Hesperolinon congestum H. A. Dutton 1900-4-29 s.n. San Mateo Woodside Comment
  RSA187337  Hesperolinon congestum Fay Gilbert 1920-6-1 s.n. San Mateo Back of Redwood City. Comment
  UC1219880  Hesperolinon congestum John H. Thomas 1961-5-14 9379 San Mateo road bank and outcropping just n dam on San Mateo Creek 121 Comment
  JROH2939  Hesperolinon micranthum John Hunter Thomas 1992-5-25 25342 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  OBI12527  Hesperolinon micranthum Lewis S. Rose 1956-6-11 56093 San Mateo Emerald Lake, Hills W of Redwood city 183 Comment
  JROH3679  Heteromeles arbutifolia John H. Thomas 1973-6-10 16814 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3680  Heteromeles arbutifolia John H. Thomas 1974-5-29 17406 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD37681  Heteromeles arbutifolia Edith A. Purer 1932-7-18 4002 San Mateo King's Mountain Comment
  CAS-BOT-BC420892  Heuchera micrantha var. diversifolia George Oberlander 1950-5-28 955 San Mateo Pilarcitos Canyon Comment
  RSA0063101  Heuchera micrantha var. hartwegii L. S. Rose 1941-7-2 41289 San Mateo Kings Mountain. 600 Comment
  SEINET191646  Heuchera micrantha var. pacifica L. S. Rose 1941-7-2 41289 San Mateo Kings Mt 600 Comment
  POM87688  Hierochloe occidentalis Le Roy Abrams 1902-1-7 2258 San Mateo Kings Mts. Comment
  CAS-BOT-BC55436  Hirschfeldia incana Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountains. Base of Quarry 2. 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-BC289249  Holcus lanatus George Oberlander 1949-7-10 262 San Mateo San Francisco Watershed Reserve, south boundary Comment
  JROH5210  Holcus lanatus John Hunter Thomas 1981-6-4 20672 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near lake. Comment
  LA207940  Holodiscus discolor David D. Keck; 1932-6-1 1795 San Mateo Santa Cruz Mountains, Above Searsville Lake, on road between Woodside and Skyline Blvd Comment
  CAS-BOT-BC150057  Holodiscus discolor var. discolor Jay B. Walker; Noah Goldstein 1994-8-14 908 San Mateo Pomponio Creek Road. 5 km south of jct Hwy 84 and Hwy 1 10 Comment
  JROH3702  Holodiscus discolor var. discolor John Hunter Thomas 1991-5-17 25054 San Mateo Jasper Ridge Biological Preserve, Stanford University. Woodland between dam and San Francisquito Creek near pump house Comment
  RSA6305  Hordeum brachyantherum D. D. Keck 1965-5-6 1465 San Mateo Belmont Comment
  UCD85414  Hordeum brachyantherum Lewis S. Rose 1963-4-27 63001 San Mateo Skyline Blvd. West of San Mateo. 91 Comment
  CDA32405  Hordeum brachyantherum G. M. Gregory 1962-5-1 San Mateo Crocker Hills, Brisbane 0 Comment
  CAS-BOT-BC284677  Hordeum brachyantherum subsp. brachyantherum Dr. E. B. Copeland 1903-6-10 3304 San Mateo Montara Point Comment
  CAS-BOT-BC289531  Hordeum brachyantherum subsp. californicum Ira L. Wiggins 1950-5-20 12352 A San Mateo Pescadero Beach Comment
  CAS-BOT-BC289533  Hordeum brachyantherum subsp. californicum Ned Cahill 1974-4-29 183 San Mateo Near the intersection of Canada and Edgewood Roads about 3 mi westward from Redwood City Comment
  JROH5229  Hordeum brachyantherum subsp. californicum John Hunter Thomas 1981-4-27 20510 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA107078  Hordeum brachyantherum subsp. californicum L. S. Rose 1956-5-7 56070 San Mateo Skyline Blvd west of San Mateo. 183 Comment
  SEINET10598962  Hordeum californicum LeRoy R. Abrams Abrams 1651 San Mateo Cooley Landing. Comment
  SEINET6851597  Hordeum geniculatum Robert A. Evers, Clara V. Evers 1975-8-24 115025 -B San Mateo Trailer Villa, Redwood City. Comment
  SEINET10927335  Hordeum jubatum Lewis S. Rose 1932-5-3 Rose 32226 San Mateo Redwood City. Comment
  CAS-BOT-BC285149  Hordeum marinum subsp. gussoneanum P. R. Hichborn 1920-5-18 236 San Mateo Santa Cruz Mountain Peninsula. Woodside Comment
  SEINET11678403  Hordeum murinum E. A. Purer 1933-1 5372 San Mateo 2 mi S of Pigeon Point Comment
  CAS-BOT-BC289397  Hordeum murinum subsp. glaucum Ira L. Wiggins 1975-4-17 22143 San Mateo NE side of Southern Pacific righ-of-way between San Francisquito Creek and Willow Road, Menlo Park Comment
  CAS-BOT-BC173824  Hordeum murinum subsp. leporinum Peter Rubtzoff 1976-6-13 8630 San Mateo 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 northwest corner of Fog Forest. Comment
  JROH5257  Hordeum murinum subsp. leporinum John H. Thomas 1975-4-18 17783 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5261  Hordeum murinum subsp. leporinum John Rawlings 2013-3-24 1125 San Mateo Jasper Ridge Biological Preserve, Stanford University; grassy verge of Rd C at Rd D intersection 158 Comment
  SD39730  Hordeum murinum subsp. leporinum Edith A. Purer 1933-7-27 5372 San Mateo Sand dunes, two miles south of Pigeon Point Comment
  CAS-BOT-BC271353  Hordeum vulgare J. H. Thomas 1962-5-12 9862 San Mateo Franklin Point, about sea level Comment
  RSA138172  Hordeum vulgare W. R. Dudley 1896-4-4 s.n. San Mateo Near Crystal Springs Comment
  CAS-BOT-BC536141  Horkelia californica W. R. Dudley 1897-10-11 s.n. San Mateo Near Half Moon Bay (Spanishtown) Comment
  CAS-BOT-BC536143  Horkelia californica L. R. Abrams 1926-5-26 11219 San Mateo San Bruno Hills near Daly City Comment
  CAS-BOT-BC536151  Horkelia californica Elizabeth McClintock 1965-6-13 s.n. San Mateo Colma Canyon, San Bruno Mountain Comment
  CAS-BOT-BC143927  Horkelia cuneata var. sericea A. A. Heller 1906-6-8 8374 San Mateo Near Ocean View, San Francisco, on the Lake Merced side of the Ocean Shore tracks Comment
  UC936149  Hydrocotyle moschata O. M. Scott and Sons 1950-4-10 San Mateo San Mateo Comment
  CDA5496  Hydrocotyle sibthorpioides T. C. Fuller 1970-5-12 19531 San Mateo Emily Brown property, 3045 Ralston Avenue, Burlingame. 0 Comment
  UCD160239  Hypericum canariense Christopher Dillis 2015-5-15 1 San Mateo South of Pescadero on Hwy 1 (Cabrillo Hwy), 400 m south of Highway Brewing Company, then east 200 m on unmarked 1-lane dirt road; 60 m north-northeast of intersection with Old Coast Highway. 200 Comment
  CAS-BOT-BC311395  Hypochaeris glabra Fred Hemphill 1973-5-14 820 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC311396  Hypochaeris glabra Fred Hemphill 1973-5-6 835 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC311485  Hypochaeris radicata A. D. E. Elmer 1903-4-1 4861 San Mateo Lake San Andreas Comment
  JROH939  Hypochaeris radicata John Hunter Thomas 1988-5-3 24441 San Mateo Jasper Ridge Biological Preserve, Stanford University; near causeway Comment
  JROH940  Hypochaeris radicata John Hunter Thomas 1988-5-16 24464 San Mateo Jasper Ridge Biological Preserve, Stanford University; near low flow crossing Comment
  CAS-BOT-BC311486  Hypochaeris radicata Roxana S. Ferris 1917-10-19 727 San Mateo Crystal Springs Lakes Comment
  CAS-BOT-BC311490  Hypochaeris radicata Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain. East end of Summit Ridge Comment
  JROH935  Hypochaeris radicata John Hunter Thomas 1983-7-7 22821 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM196487  Iris douglasiana W. R. Dudley 1903-5-21 s.n. San Mateo Santa Cruz Peninsula, upper Pescadero Beach 152 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-BC133653  Iris longipetala Roxana Stinchfield 1910-5-3 267 San Mateo Half Moon Bay - near town Comment
  CAS-BOT-BC133669  Iris longipetala W. S. Cooper 1925-4-3 s.n. San Mateo New Years Point Comment
  RSA185867  Iris missouriensis John H. Thomas 1955-4-6 4838 San Mateo East facing slope of San Bruno Mountain just north of South San Francisco 30 Comment
  RSA32647  Iris missouriensis Carl B. Wolf 1943-3-3 11443 San Mateo Visitation Point, along the Bayshore Highway, just north of community of Brisbane 61 Comment
  CAS-BOT-BC57730  Isoetes howellii W. R. Dudley 1909-10-31 s.n. San Mateo Woodside Valley Pond Comment
  CAS-BOT-BC57733  Isoetes howellii L. R. Abrams 1923-4-19 10108 San Mateo Alameda de los Pulgas back of Menlo Park Comment
  CAS-BOT-BC112611  Isolepis cernua John Hunter Thomas 1963-7-19 10181 A San Mateo Ano Nuevo Point. Comment
  CAS-BOT-BC112628  Isolepis cernua H. L. Mason 1921-6-2 s.n. San Mateo Pebble Beach, near Pescadero. Comment
  SD37490  Isolepis cernua Edith A. Purer 1933-7-27 5380 San Mateo Moist places in sand dunes, two miles south of Pigeon Point. (IPB 11/07) Comment
  UC1100777  Isolepis cernua Malcolm A. Nobs, S. Galen Smith 1949-8-25 1565 San Mateo marshes at Sharp Park; marshes at Sharp Park Comment
  CAS-BOT-BC112441  Isolepis cernua Lewis Samuel Rose 1956-7-2 56117 San Mateo Skyline Blvd. hills of San Mateo 182 Comment
  SEINET5716637 Image available Isolepis cernua Shirley C. Tucker 1954-1 3796 San Mateo On sea cliffs, 17 mi. S of San Francisco.; Moss Beach Comment
  CAS-BOT-BC340138  Jaumea carnosa Walter Knight; Irja Knight 1964-9-2 718 San Mateo San Bruno Mountain. At Pt. San Bruno Comment
  CAS-BOT-BC101874  Juglans J. H. Thomas 1954-4-21 3943 San Mateo San Francisquito Creek near SPRR tracks between Palo Alto and Menlo Park Comment
  CAS-BOT-BC102323  Juglans hindsii Ed Holm; Field Biol. Class, San Mateo High School 1984-7-24 s.n. San Mateo In creekbed of San Mateo Creek next to Polhemus Rd. just before it joins Crystal Springs Rd. and about 100 yds. below Comment
  SEINET3877729  Juncus bufonius Kaye H. Thorne, J. Chandler 1986-7-25 4921 San Mateo Half Moon Bay, 2 mi S of Moss Beach at Dune Beach. Sand dunes and beach area adjacent to the Pacific Ocean.; 0 Comment
  JROH4449  Juncus bufonius var. bufonius John H. Thomas 1974-5-19 17384 C San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA14198  Juncus bufonius var. congestus J. Ferguson 1998-4-17 PDR 1117376 San Mateo San Francisco Bay Area; Public lawn area in Redwood City. 0 Comment
  SEINET6328838  Juncus effusus A. A. Heller 1906-6-8 8386 San Mateo Near Ocean View, San Francisco Comment
  RSA18441  Juncus effusus subsp. pacificus Carl B. Wolf 1927-6-29 567 San Mateo 3 miles south of San Gregorio. Comment
  POM259791  Juncus lescurii I. L. Wiggins, Roxana S. Ferris 1939-8-2 9289 San Mateo Ano Nuevo Point Comment
  JROH4487  Juncus occidentalis John Hunter Thomas 1981-5-5 20541 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4493  Juncus occidentalis John Hunter Thomas 1987-5-19 24302 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC473496  Juncus occidentalis Kellogg and Brannan 1870-6-1 San Mateo San Gregorio Creek Comment
  UC14912  Juncus occidentalis Joseph Burtt Davy 1893-6-22 761 San Mateo Lake Vilarcitos Comment
  JEPS128399  Juncus patens Adam C. Schneider 2013-5-17 129 San Mateo Crystal Springs Reservoir. Comment
  RSA132400  Juncus patens John H. Thomas 1959-7-8 8023 San Mateo About 1/2 mile S of Pescadero beach along the coast highway. Comment
  RSA18448  Juncus patens Carl B. Wolf 1927-6-29 559 San Mateo South of Pebble Beach near Pescadero Comment
  UC1101090  Juncus patens Malcolm A. Nobs and S. Galen Smith 1949-8-26 1587 San Mateo about 1 mi s Half Moon Bay Comment
  HSC23957  Juncus patens Mary Katherine Wicksten 1971-8-23 210 San Mateo Huddart Park, ditch on way to Miwok Area Comment
  UC1101087  Juncus phaeocephalus Verne Grant and Herbert L. Mason 1946-8-28 13086 San Mateo entrance to San Francisco County prison Comment
  UC1601807  Juncus phaeocephalus J. Burtt Davy 1893-6-17 751 San Mateo Salt Marsh Belmont Comment
  CAS-BOT-BC182768  Juncus phaeocephalus Peter Rubtzoff; Roman Gankin 1976-6-30 8702 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
  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
  UCR244655  Juncus phaeocephalus var. paniculatus Peter Rubtzoff 1980-8-4 9563 San Mateo Central Coast, San Bruno Mountains. 'Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction; westernmost part of the area on slope across fence 220 Comment
  SJSU15417  Juncus phaeocephalus var. phaeocephalus Toni Corelli 2009-9-23 432 San Mateo Tunitas Creek, San Mateo County west of Hwy. 1 4 Comment
  JROH4521  Juncus xiphioides Toni Corelli 2009-7-22 352 San Mateo Jasper Ridge Biological Preserve, Stanford University. South of Road B, Below Dennis Martin Marker site in San Francisquito Creek 71 Comment
  JROH5666  Juncus xiphioides John Rawlings 2011-8-10 0997 San Mateo Jasper Ridge Biological Preserve, Stanford University. Corte Madera Creek delta near open water. 104 Comment
  JROH5265  Koeleria macrantha H. J. Dengler 1961-4-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Lower serpentine margin of gully on east serpentine near first or east-most enclosure. Comment
  JROH5268  Koeleria macrantha John H. Thomas 1968-5-22 14454 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA191942  Koeleria macrantha R. F. Thorne, P. Everett 1963-6-9 32229 San Mateo On top of San Bruno Mountain. 335 Comment
  CAS-BOT-BC273738  Koeleria pyramidata Ned Cahill 1974-4-30 226 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC272319  Lachnagrostis filiformis John Thomas Howell 1954-6-1 s.n. San Mateo Pulgas Water Temple, near southern end of Lower Crystal Springs Reservoir Comment
  JEPS23959  Lactuca saligna John H. Thomas 1959-8-22 8074 San Mateo about 5 mi sw Palo Alto; Jasper Ridge 152 Comment
  CAS-BOT-BC353467  Lactuca serriola Peter Rubtzoff 1975-9-11 8379 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. Comment
  CAS-BOT-BC341627  Lagophylla ramosissima Linda Fox 1969-6-20 1000 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  CAS-BOT-BC341635  Lagophylla ramosissima John Thomas Howell 1926-10-9 2215 San Mateo Lake San Andreas Comment
  JROH957  Lagophylla ramosissima John H. Thomas 1958-5-10 7173 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC341636  Lagophylla ramosissima E. A. McGregor 1906-9-23 s.n. San Mateo Corte de Madera Comment
  RSA128849  Lagophylla ramosissima L. R. Abrams 1914-6-2 5111 San Mateo Searsville Lake. Comment
  JROH5632  Lapsana communis John Rawlings 2014-5-28 1244 San Mateo Jasper Ridge Biological Preserve, Stanford University. NW end of the Low Flow Crossing, San Francisquito Creek. 81 Comment
  JROH5638  Lapsana communis John Rawlings 2014-6-2 1250 San Mateo Jasper Ridge Biological Preserve, Stanford University. Bear Creek and Preserve Boundary. 87 Comment
  JROH5845  Lapsana communis Paul Heiple 2007-7-25 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Bear Creek near Preserve boundary, east bank about one meter from stream Comment
  CAS-BOT-BC339052  Lasthenia californica A. D. E. Elmer 1903-4-1 4738 San Mateo San Bruno Hills Comment
  CAS-BOT-BC339091  Lasthenia californica John H. Thomas 1971-5-2 15825 San Mateo Near intersection of Canada Road and Edgewater Road, about three miles westward from Redwood City 152 Comment
  CAS-BOT-BC339093  Lasthenia californica Donald A. Johansen 1932-5-21 686 San Mateo Pigeon Point, west of Pescadero Comment
  CAS-BOT-BC339083  Lasthenia californica W. R. Dudley 1893-5-17 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Millbrae 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
  JROH979  Lasthenia californica subsp. californica John Hunter Thomas 1982-4-28 20877 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS23589  Lasthenia californica subsp. macrantha Adele Lewis Grant 1917-5-6 939 San Mateo Pebble Beach near Pescadero 3 Comment
  SEINET11811267  Lasthenia chrysostoma Unknown 1932-1 9113 San Mateo Spring Valley Lake Comment
  SEINET11811269  Lasthenia chrysostoma Unknown 1933-1 49 San Mateo Jasper Ridges Comment
  CAS-BOT-BC355498  Lasthenia glaberrima W. R. Dudley 1906-5-22 s.n. San Mateo Largest Pond, Coal Mine Ridge Comment
  RSA116648  Lasthenia glaberrima W. R. Dudley 1906-5-22 s.n. San Mateo Coal Mine Ridge. Comment
  POM55211  Lasthenia glabrata subsp. glabrata A. D. E. Elmer 1903-05 4426 San Mateo Millbrae. Comment
  RSA262209  Lasthenia glabrata subsp. glabrata John H. Thomas 1971-5-2 15794 San Mateo Near intersection of Canada and Edgewater roads; about 3 miles westward from Redwood City. 152 Comment
  CAS-BOT-BC355539  Lasthenia glabrata var. glabrata John H. Thomas 1956-4-8 5629 San Mateo Near Bayshore Highway about 2 miles east of Redwood City Comment
  CAS-BOT-BC360402  Lasthenia glabrata var. glabrata Ned Cahill 1974-4-18 130 San Mateo Near intersection of Canada and Edgewood Roads, about 3 mi westward from Redwood City. Comment
  RSA585990  Lasthenia gracilis Adree M. Desrochers 1989-4-17 447 San Mateo Near Palo Alto. Jasper Ridge, Biological Preserve of Stanford University. Comment
  CAS-BOT-BC368189  Lasthenia minor Peter H. Raven 1950-4-30 1953 San Mateo Montara 15 Comment
  JEPS35423  Lasthenia minor W. L. Jepson 1921-4-3 9112 San Mateo near Colma; Colma Canyon Comment
  SEINET2053255  Lasthenia minor C. W. Sharsmith 1947-3-13 6745 San Mateo Pescadero Beach near Pescadero Point. Comment
  SJSU2268  Lasthenia minor C. W. Sharsmith 1947-3-13 6745 San Mateo Pescadero Beach near Pescadero Point Comment
  UCD133845  Lasthenia minor June McCaskill 1954-5-8 295 San Mateo Moss Beach. Comment
  SD39834  Lathyrus littoralis Edith A. Purer 1932-7-18 4007 San Mateo Half Moon Bay, sand dunes Comment
  SEINET12153905  Lathyrus littoralis M. T. Doutt 1931-1 244 San Mateo S of San Francisco, nr Salada Comment
  SEINET956312  Lathyrus vestitus Ira L. Wiggins 1925-1 1661 San Mateo On King Mountain Road three fourths of a mile above Woodside in the old cut over redwood. Comment
  UC864588  Lathyrus vestitus var. vestitus Lewis S. Rose 1932-5-3 32208 San Mateo San Bruno 182 Comment
  UCR253353  Lavatera cretica A. C. Sanders 2014-8-3 41239 San Mateo San Francisco Bay, South San Francisco, San Francisco Bay Trail in vicinity of S Airport Drive, Utah Ave., and Haskins Way, between Hwy 101 and San Francisco Bay 6 Comment
  CAS-BOT-BC323160  Layia chrysanthemoides David D. Keck 1932-4-29 1450 San Mateo Redwood City. Comment
  UCR70763  Layia chrysanthemoides Donald A. Johansen 1933-5-27 803 San Mateo San Francisco Bay Region, along Skyline Blvd. at junction of side road leading to Burlingame 193 Comment
  UC935680  Layia chrysanthemoides David D. Keck 1932-5-6 1488 San Mateo 4 mi w of Burlingame on Skyline Boulevard Comment
  CAS-BOT-BC321069  Layia gaillardioides Lewis S. Rose 1935-5-4 35149 San Mateo Burlingame Comment
  UC30646  Layia gaillardioides J. Burtt Davy Apr 21 1893-Apr 23 1893 1161 San Mateo Pilarcitos Lake and Canyon Comment
  CAS-BOT-BC321092  Layia gaillardioides Kellogg 1890-5-16 s.n. San Mateo Unspecified Comment
  CAS-BOT-BC327460  Layia hieracioides Fred Hemphill 1973-4-15 689 San Mateo San Carlos. Chaparral area N of Malabar Rd and Melendy Dr. 207 Comment
  UC913102  Layia hieracioides David D. Keck and Wm. M. Hiesey 1940-6-1 5166 San Mateo opposite n end of Lake San Andreas; Skyline Boulevard 135 Comment
  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
  CAS-BOT-BC327454  Layia hieracioides David D. Keck 1933-5-11 2306 San Mateo Skyline Boulevard, east of Salada, northern San Mateo County. Comment
  CAS-BOT-BC327509  Layia hieracioides W. R. Dudley 1900-5-19 s.n. San Mateo La Honda Stage Road below Grand View Saloon Comment
  CAS-BOT-BC327510  Layia hieracioides W. R. Dudley 1900-5-19 s.n. San Mateo La Honda Stage Road below Grand View Saloon Comment
  RSA92182  Layia hieracioides D. D. Keck 1932-5-11 1760 San Mateo Above Searsville Lake, on La Honda Road, E slope of Santa Cruz Mountains. Comment
  CAS-BOT-BC382085  Layia platyglossa Ned Cahill 1975-1-8 392 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JROH992  Layia platyglossa John H. Thomas 1956-4-7 5622 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC30671  Layia platyglossa J. Burtt Davy 1895-4-20 1052 San Mateo Lake Pilarcitos Comment
  CAS-BOT-BC382086  Layia platyglossa Ned Cahill 1974-4-8 117 San Mateo Near the intersection of Canada and Edgewood Roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC382090  Layia platyglossa Elizabeth McClintock 1978-3-25 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  CAS-BOT-BC382215  Layia platyglossa David D. Keck 1933-5-11 2305 San Mateo Skyline Blvd., east of Salada, northern San Mateo County Comment
  CAS-BOT-BC382216  Layia platyglossa David D. Keck 1932-6-18 1980 San Mateo Skyline Blvd. at Langley Hill (SW of Stanford University) 600 Comment
  RSA18086  Lemna gibba Carl B. Wolf 1929-4-29 3662 San Mateo Small reservoir, 1 mile S of Portola, San Mateo Comment
  JROH4533  Lemna minor John H. Thomas 1970-4-4 15539 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake at dam Comment
  CAS-BOT-BC221521  Lepechinia calycina Kellogg 1870-5-1 s.n. San Mateo Unspecified Comment
  JROH2796  Lepechinia calycina John Hunter Thomas 1982-7-3 21068 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM190253  Lepechinia calycina D. D. Keck 1932-5-25 1779 San Mateo Hills 2 miles W of Belmont Comment
  POM202471  Lepechinia calycina L. S. Rose 1933-6-9 33225 San Mateo Belmont Comment
  RSA131154  Lepidium didymum John H. Thomas 1958-8-1 7370 San Mateo About 0.5 mi N of mouth of Pescadero Creek. Sea level. 0 Comment
  CAS-BOT-BC89138  Lepidium didymum Walter Knight; Irja Knight 1964-5-30 105 San Mateo San Bruno Mountains. Along freeway in Colma Canyon. Comment
  CAS-BOT-BC89139  Lepidium didymum Elizabeth McClintock 1965-4-11 s.n. San Mateo San Bruno Mountains. Crocker Hills. Near Guadalupe Road. Comment
  UCD115355  Lepidium didymum Malcolm A. Nobs; S. Galen Smith 1949-8-26 1594 San Mateo At the mouth of Pescadero Creek. Comment
  CDA3808  Lepidium latifolium J. T. Howell 1978-7-18 53189 San Mateo Airport Sheraton, Airport Boulevard., Burlingame 0 Comment
  UCD115700  Lepidium latifolium John Thomas Howell 1978-7-18 53189 San Mateo Airport Sheraton, Airport Blvd., Burlingame. Comment
  CAS-BOT-BC12598  Lepidium nitidum H. A. Dutton 1900-2-1 s.n. San Mateo Santa Cruz Peninsula. Woodside. Comment
  JROH1546  Lepidium nitidum John H. Thomas 1977-2-20 18468 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
  JROH1555  Lepidium nitidum John Rawlings 2008-3-14 1032 San Mateo Jasper Ridge Biological Preserve, Stanford University. West Serpentine Chaparral 169 Comment
  CAS-BOT-BC12844  Lepidium pinnatifidum Phillip C. Wheeler 1965-6-19 s.n. San Mateo San Bruno Mountain. Brisbane Lagoon. Comment
  JROH1558  Lepidium strictum John H. Thomas 1968-3-17 14186 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC226595  Leptosiphon ambiguus John H. Thomas 1971-5-2 15815 San Mateo Near intersection of Canada Road and Edgewater [Edgewood] Road, about three miles westward from Redwood City 152 Comment
  CAS-BOT-BC226596  Leptosiphon ambiguus A. D. E. Elmer 1903-4-1 4913 San Mateo Crystal Springs Lake 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
  POM65040  Leptosiphon ambiguus A. D. E. Elmer 1903-04 s.n. San Mateo Crystal Springs Lake. Comment
  JEPS58097  Leptosiphon androsaceus Adele Lewis Grant 936 San Mateo near Pescadero; Pebble Beach 3 Comment
  RSA18460  Leptosiphon androsaceus C. B. Wolf 1927-6-29 547 -A San Mateo Along coast south of Pebble Beach near Pescadero. Comment
  CAS-BOT-BC226624  Leptosiphon grandiflorus W. R. Dudley 1896-7-30 s.n. San Mateo Summit of hill just beyond La Honda Comment
  POM128438  Leptosiphon liniflorus L. R. Abrams 1902-5-4 2416 San Mateo Woodside. Comment
  POM65847  Leptosiphon liniflorus C. F. Baker 1902-5-4 760 San Mateo Woodside. Comment
  RSA101022  Leptosiphon liniflorus G. Oberlander 1949-4-18 84 San Mateo South boundary, San Francisco Watershed Reserve Comment
  SD38816  Leptosiphon liniflorus Marie Cummings 1933-5-23 3718 San Mateo Spring Valley Comment
  UCD118865  Leptosiphon liniflorus Irene Brown 1959-5-15 148 San Mateo 6 miles south of entrance to refuge, San Francisco Game Refuge. 21 Comment
  UCD68981  Leptosiphon parviflorus P. Rodriguez-Rojo 1997-3-27 San Mateo Jaspen Ridge. Serpentine annual grasslands. UTM: 10SEM4168 155 Comment
  CAS-BOT-BC324052  Lessingia arachnoidea W. R. Dudley 1909-10-10 s.n. San Mateo East side of Crystal Springs Reservoir, Santa Cruz Mountains Comment
  JEPS20591  Lessingia arachnoidea John Thomas Howell 1926-10-9 2220 A San Mateo near Crystal Springs Lake 91 Comment
  JEPS21657  Lessingia arachnoidea W. R. Dudley 1902-9-21 San Mateo near fork to Alms House; Crystal Springs Reservoir Comment
  OBI15796  Lessingia arachnoidea Lewis S. Rose 1964-9-9 64075 San Mateo Crystal Srpings Lakes; W of San Mateo 244 Comment
  POM197775  Lessingia arachnoidea John T. Howell 1926-10-9 2220 San Mateo Between Lake San Andreas and Crystal Springs Lake Comment
  UC1280011  Lessingia arachnoidea Peter H. Raven 1957-9-1 11301 San Mateo along Skyline Boulevard at Woodside Road Comment
  UC1287458  Lessingia arachnoidea Willard Spence 1960-10-16 634 San Mateo Skyline Blvd. Crystal Springs Lake (along roadside) Comment
  NY180564  Lessingia bakeri C. F. Baker 1902-10-20 1834 San Mateo Searsville Comment
  JROH1013  Lessingia glandulifera var. glandulifera John H. Thomas 1975-5-26 17902 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1027  Lessingia glandulifera var. glandulifera Carol Zabel 1989-9-4 36 San Mateo Jasper Ridge Biological Preserve, Stanford University; near side of Road E, 100 yards down from intersection of Roads D, E, and F Comment
  CAS-BOT-BC324174  Lessingia hololeuca Josephine D. Randall 1907-7-23 s.n. San Mateo near Crystal Springs Lake Comment
  CAS-BOT-BC324182  Lessingia hololeuca Lewis S. Rose 1964-9-5 64072 San Mateo Emerald Lake, W of Redwood City 152 Comment
  RSA210919  Lessingia hololeuca Cherie Wetzel 1969-7-28 998 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  JROH5965  Lessingia pectinata var. tenuipes Ann Lambrecht, Alice Cummings 2017-6-13 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Road E overlook bend 118 Comment
  JROH5841  Leucanthemum maximum Ann Lambrecht 2009-7-22 35 San Mateo Jasper Ridge Biological Preserve, Stanford University; in now-dry bed of San Francisquito Creek below Dennis Martin marker Comment
  CAS-BOT-BC342094  Leucanthemum vulgare John Thomas Howell 1949-7-4 25356 San Mateo On Skyline Blvd. north of Millbrae Comment
  CAS-BOT-BC272276  Leymus mollis J. H. Thomas 1963-5-11 10076 San Mateo Pescadero Beach Comment
  CAS-BOT-BC272187  Leymus triticoides Phillip C. Wheeler 1965-8-14 s.n. San Mateo Brisbane Lagoon, San Bruno Mountain Comment
  CAS-BOT-BC436532  Ligusticum apiifolium A. D. E. Elmer 1903-6-1 4803 San Mateo San Mateo Comment
  JROH2982  Ligustrum lucidum John Hunter Thomas 1978-5-23 19223 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC173838  Lilaea scilloides Peter Rubtzoff 1975-5-21 7960 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC451667  Lilaea scilloides Carl B. Wolf 1929-4-29 3663 San Mateo 1 mi. so. of Portola in sm. reservoir Comment
  CAS-BOT-BC451672  Lilaea scilloides W. R. Dudley 1909-10-31 s.n. San Mateo Santa Cruz Mountain Peninsula. Woodside valley pond Comment
  POM193948  Lilaea scilloides W. R. Dudley 1893-05 s.n. San Mateo Santa Cruz Mountain peninsula: Back of Mira Vista, near Stanford University Comment
  CAS-BOT-BC130797  Lilium pardalinum Ira L. Wiggins 1929-7-4 3771 San Mateo 4 mi. W. of La Honda on hill road to Pescadero Comment
  RSA700355  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
  JROH4057  Limosella acaulis John Hunter Thomas 1981-7-12 20709 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4065  Limosella acaulis John Hunter Thomas 1985-8-7 23707 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4061  Limosella acaulis John Hunter Thomas 1982-8-15 21143 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Searsville Lake Comment
  CAS-BOT-BC238362  Limosella aquatica W. R. Dudley 1909-10-10 s.n. San Mateo The Santa Cruz Mountain Peninsula. Near boat-landing of Club-House, Crystal Springs Reservoir Comment
  JEPS58174  Linanthus ambiguus W. L. Jepson 1914-3-22 5731 San Mateo vicinity San Francisco Bay; Redwood City Comment
  SEINET12279071  Linanthus filipes L. S. Rose 1932-1 32140 San Mateo Redwood City Comment
  SJSU12175  Linaria maroccana V. J. Haley 1985-3-6 San Mateo near El Monte & Moody Rds, Los Altos Hills Comment
  SD39367  Linum californicum McCallum 1933-5-24 3707 San Mateo Fields on Stanford Campus. Comment
  JROH3886  Lithophragma affine John H. Thomas 1970-4-4 15543 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC436217  Lithophragma heterophyllum John H. Thomas 1961-5-14 9361 San Mateo Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. San Francisco Watershed Reserve. 152 Comment
  JROH1567  Lobularia maritima John Hunter Thomas 1983-2-21 21284 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC342465  Logfia gallica John H. Thomas 1955-4-6 4849 San Mateo East facing slope of San Bruno Mountain just north of South San Francisco 91 Comment
  CAS-BOT-BC342466  Logfia gallica John H. Thomas 1961-5-7 9265 San Mateo San Bruno Mountain in northern part of county 396 Comment
  JROH735  Logfia gallica D. E. Breedlove 1971-5-31 19361 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  JROH737  Logfia gallica John H. Thomas 1977-5-14 18607 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH740  Logfia gallica John Hunter Thomas 1981-5-8 20552 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH743  Logfia gallica John Hunter Thomas 1982-5-18 20944 San Mateo Jasper Ridge Biological Preserve, Stanford University; near main gate Comment
  CAS-BOT-BC342471  Logfia gallica George Oberlander 1950-4-16 705 San Mateo San Francisco Watershed Reserve. Near San Andreas Lake Comment
  JROH739  Logfia gallica John Hunter Thomas 1980-5-8 19947 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC283220  Lolium multiflorum Paul Reeberg 1989-6-18 s.n. San Mateo San Bruno Mountains. In area N of PG&E Marsh, Guadalupe Hills 60 Comment
  CAS-BOT-BC269174  Lolium temulentum No date on label s.n. San Mateo Colma Comment
  JROH264  Lomatium dasycarpum subsp. dasycarpum John H. Thomas 1973-4-20 16582 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA452094  Lomatium dasycarpum subsp. dasycarpum Glenn A. Gorelick 1967-2-10 s.n. San Mateo San Bruno Mountains, overlooking Daly City near San Francisco. Comment
  UC306544  Lomatium dasycarpum subsp. dasycarpum A. D. E. Elmer April, 1903 4818 San Mateo Crystal Springs Lake Comment
  HSC21554  Lomatium dasycarpum subsp. dasycarpum L. S. Rose 1965-4-22 65027 San Mateo San Bruno Mountain, S of parking lot 579 Comment
  JEPS17119  Lomatium macrocarpum W. L. Jepson 1914-3-22 5736 San Mateo Redwood City Comment
  JROH280  Lomatium macrocarpum John H. Thomas 1975-5-26 17909 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC240429  Lonicera hispidula W. R. Dudley 1895-9-15 s.n. San Mateo El Corte Madera, Canon [Canyon], Sta Cruz Mts Comment
  CAS-BOT-BC240584  Lonicera hispidula Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountain. Radio Road Comment
  CAS-BOT-BC384624  Lonicera hispidula Mary Wicksten 1969-6-24 sn. San Mateo Miwok area - Huddart Park Comment
  JROH1663  Lonicera hispidula John Hunter Thomas 1987-5-26 24315 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC290619  Lotus Peter Rubtzoff 1987-7-31 9821 San Mateo Best Products Company parking lot on east side of Gellert Blvd. north of Westborough Blvd. intersection, South San Francisco. Comment
  RSA276357  Lotus corniculatus Jane Turner, Francis M. Ball 1962-7-7 1088 San Mateo Highway 1, ca. 10 miles N of Santa Cruz County line. Comment
  UC80966  Lotus formosissimus Katharine Brandegee 1905-6-20 San Mateo seashore of Halfmoon Bay Halfmoon Bay Comment
  UC69628  Lotus micranthus J. Burtt Davy 1895-4-20 1045 San Mateo Lake Pilarcitos Comment
  SEINET3558576 Image available Lotus scoparius Lewis S. Rose 1934-6-2 34282 San Mateo Belmont. Comment
  RSA120411  Lotus scoparius var. scoparius W. R. Dudley 1893-07 s.n. San Mateo Near Searsville Lake. Comment
  CAS-BOT-BC60246  Lunaria annua E. W. Rust 1908-3-28 s.n. San Mateo Vicinity of Stanford University. Woodside Post Office. Comment
  UCSC006526  Lupinus Randall Morgan 1990-6-8 1752 San Mateo Colony along road just above Sandy Point ranger station (Sec 35, Franklin Point Quad) Comment
  UC127029  Lupinus affinis Alice Eastwood April 1896 San Mateo Crystal Springs Comment
  JROH2113  Lupinus affinis H. J. Dengler 1972-3-26 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; 100 yds. +/- Quercus chrysolepis site in field Comment
  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
  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-BC195818  Lupinus albifrons var. albifrons C. F. B. 1902-3-22 341 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC195821  Lupinus albifrons var. albifrons L. R. Abrams 1904-4-10 38 San Mateo San Mateo Canon [Canyon], Santa Cruz Mts. 121 Comment
  POM10889  Lupinus albifrons var. albifrons C. F. Baker 1902-3-22 341 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC196111  Lupinus albifrons var. collinus Elizabeth McClintock; Walter Knight; Irja Knight; Baki Kasapligil 1967-7-18 s.n. San Mateo In Colma Canyon Comment
  CAS-BOT-BC196128  Lupinus albifrons var. collinus A. D. E. Elmer 1903-5-1 4642 San Mateo San Bruno Hills Comment
  RSA134041  Lupinus albifrons var. collinus Roxana S. Ferris 1921-4-7 2131 San Mateo San Bruno mountain near San Francisco 213 Comment
  CAS-BOT-BC27394  Lupinus apricus C. P. Smith 1908-3-30 1374 San Mateo Stanford University, Cedro Cottage Field. Comment
  CAS-BOT-BC8523  Lupinus apricus C. P. Smith 1908-5-2 1427 San Mateo Stanford University. Stockfarm bridge. Comment
  CAS-BOT-BC196434  Lupinus arboreus W. R. Dudley 1893-5-17 s.n. San Mateo Above pass between Spring Valley Reservoir and Millbrae Comment
  SD39024  Lupinus arboreus Edith A. Purer 1932-7-18 4007 San Mateo Half Moon Bay, sand dunes Comment
  JROH5635  Lupinus bicolor John Rawlings 2014-5-28 1247 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Dennis Martin Site Marker near path to San Francisquito Creek crossing 77 Comment
  UC2049881  Lupinus bicolor H. W. Johansen 1955-4-9 29 San Mateo Jones Gulch, 5 miles S of La Honda. Comment
  SEINET12154472  Lupinus bicolor Unknown 1932-1 9116 San Mateo Half Moon Bay Comment
  POM10642  Lupinus bicolor subsp. tridentatus C. F. Baker 1903-4-8 1921 San Mateo San Andreas Lake Comment
  UC127061 Image available Lupinus eximius J. Burtt Davy 1895-4-20 1050 San Mateo Lake Pilarcitos; ; Lake Pilarcitos, San Mateo Co Comment
  POM276449  Lupinus formosus var. formosus Lyman D. Benson 1932-7-25 3955 San Mateo Menlo Park. 30 Comment
  RSA130909  Lupinus formosus var. formosus E. K. Balls 1958-7-22 23592 San Mateo Highway 5, at turn-off to San Bruno, San Bruno Hills. 213 Comment
  CAS-BOT-BC8329  Lupinus lasiotropis Charles Fuller Baker 470 San Mateo Crystal Springs Lake Comment
  RSA0003448  Lupinus lasiotropis Edward L. Greene 470 San Mateo Crystal Springs Lake. Frequent along banks, specially shady places. Comment
  JROH5799  Lupinus latifolius var. latifolius John Rawlings 2016-4-4 1701 San Mateo Jasper Ridge Biological Preserve, Stanford University; Douglas Iris site 94 Comment
  CDA27504  Lupinus microcarpus var. microcarpus T. C. Fuller 1967-6-13 15946 San Mateo East above Crystal Springs Like, 0.2 mile east of Skyline Boulevard, road to San Mateo. 0 Comment
  UC15978  Lupinus nanus Ivar Tidestrom May 1894 San Mateo Comment
  SEINET10936508  Lupinus nanus subsp. latifolius Walter Knight, Irja Knight 1964-9-2 Knight s.n. San Mateo Mouth of colma canyon in sand. Comment
  SEINET10871083  Lupinus polycarpus David B. Dunn, Howard Brown 1946-5-15 Dunn 2545 San Mateo Collected in open lush meadow in the hilltops of the san francisco peninsula, On hwy. From woodside to la honda, 3.7 mi ne of la honda on the se side of the Hwy. Comment
  RSA212124  Lupinus succulentus L. S. Rose 1970-5-9 70039 San Mateo Chateau Drive near Skyline, Hillsborough. 91 Comment
  SD37926  Lupinus succulentus Delzie Demaree 1932-4-9 2135 San Mateo Comment
  SEINET10969931  Lupinus succulentus Walter Knight, Irja Knight 1964-3-16 Knight s.n. San Mateo San bruno mtns. San bruno pt. Comment
  RSA414432  Lupinus tidestromii E. A. Purer 1932-7-18 4009 San Mateo Half Moon Bay Comment
  RSA3803  Lupinus vallicola subsp. apricus L. R. Abrams 1914-4-20 5128 San Mateo At the confluence of Los Troncos and San Francisquito creeks. Comment
  SEINET10969725  Lupinus vallicola subsp. apricus LeRoy R. Abrams 1914-4-20 Abrams 5128 San Mateo Type locality: the type was collected by baker, no. 610, 1902, At the same Station as the present specimens. The collector of the present specimens was With mr. Baker when the original specimens were collected. Grassy fields at The confluence of los troncos and san franciscquito creeks. Comment
  POM181506  Lupinus variicolor H. F. Copeland 1928-2-25 983 San Mateo Montara. Comment
  SEINET10489089  Lupinus variicolor Elizabeth M. McClintock 1963-6-9 McClintock 134 San Mateo San bruno mtn. Exposed slopes below top of mtn. Comment
  POM290432  Luzula comosa Lyman Benson 1931-2-16 2584 San Mateo Stanford University. Corte Madra Creek. 152 Comment
  JROH4525  Luzula comosa var. comosa John H. Thomas 1967-4-20 12712 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4166  Lycopersicon esculentum Toni Corelli 2002-10-11 249 San Mateo Jasper Ridge Biological Preserve, Stanford University; Road H, below road inside JRBP that is parallel to Sand Hill Road 121 Comment
  JROH3366  Lysimachia arvensis John H. Thomas 1975-4-19 17791 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC290600  Lythrum Peter Rubtzoff 1987-8-26 9837 San Mateo San Bruno Mountain, Saddle area on N side of Guadalupe Canyon. Parkway west of Radio Road junction; northwestern part of the area along old Guadalupe Road. Comment
  JROH5961  Lythrum hyssopifolia John Rawlings 2017-5-9 2053 San Mateo Jasper Ridge Biological Preserve, Stanford University; drainage ditch along road south of visitor oarking lot near trail up slope to Global Change site. 115 Comment
  SJSU10438  Lythrum hyssopifolia S. R. Piazza 1963-6-27 San Mateo by Hwy 1, 2 mi N of Pigeon Point Lighthouse Comment
  UC796711  Lythrum hyssopifolia Ira L. Wiggins 1949-7-2 12195 San Mateo on Pescadero Beach Pescadero Beach Comment
  JROH2954  Lythrum hyssopifolia John H. Thomas 1967-6-1 12955 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA210921  Madia Cherie L. Wetzel 1969-7-28 994 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  HSC23936  Madia elegans Mary Katherine Wicksten 1971-7-22 185 San Mateo Huddart Park, by park entrance Comment
  POM362144  Madia elegans subsp. elegans E. A. Purer 1933-8-13 5421 San Mateo Santa Clara Valley, near Belmont Comment
  POM362143  Madia elegans subsp. elegans D. D. Keck 1931-10-5 1279 San Mateo Crystal Springs lake, E side Comment
  JROH1043  Madia exigua John H. Thomas 1967-5-31 12925 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1059  Madia exigua John Hunter Thomas 1983-6-2 22333 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC343337  Madia gracilis David D. Keck 1932-6-1 1787 San Mateo Above Woodside on the La Honda road, east slope of the Santa Cruz Mtns. 305 Comment
  CHSC56970  Madia gracilis Steven Triano 1988-5-24 182 San Mateo Along w side of Old La Honda Road ca 0.6 mi s of Portola Road and 3.8 mi s of Woodside. 201 Comment
  JROH1079  Madia gracilis John Hunter Thomas 1981-5-19 20602 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1080  Madia gracilis John Hunter Thomas 1981-5-21 20645 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM298349  Madia gracilis D. D. Keck 1932-6-1 1788 San Mateo Above Woodside on the La Honda road, east slope of the Santa Cruz Mountains 305 Comment
  RSA3891  Madia gracilis I. L. Wiggins 1929-7-4 3780 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. 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
  RSA120834  Madia madioides S. S. Tillett, I. Sternback 1956-6-24 529 San Mateo Middleton property, behind (N.) Portola Camp Store, just outside Portola State Park. 396 Comment
  CAS-BOT-BC345127  Madia sativa D. E. Breedlove 1973-9-26 35554 San Mateo Pescadero Creek County Park 365 Comment
  JEPS30896  Madia sativa J. H. Thomas 1959-8-16 8064 San Mateo about 2 mi sw Pescadero 60 Comment
  JROH1099  Madia sativa John H. Thomas 1967-11-5 14132 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR256296  Madia sativa Peter Rubtzoff 1979-7-26 9300 San Mateo 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction, San Bruno Mountains 213 Comment
  CAS-BOT-BC345119  Madia sativa David D. Keck 1932-8-11 1745 San Mateo Skyline Blvd., about 1 mi. S. of junction with Alpine Creek road, Santa Cruz Mts., Santa Clara--San Mateo Co. line 640 Comment
  CAS-BOT-BC345130  Madia sativa David D. Keck 1932-8-11 1744 San Mateo Skyline Blvd., about 1 mi. S. of junction with Alpine Creek road, Santa Cruz Mts., Santa Clara--San Mateo Co. line 640 Comment
  SEINET11810637  Madia sativa Unknown 1932-1 9191 San Mateo Los Francos Woods Comment
  CHSC20345  Maianthemum racemosum L. A. Wright Jr. 1971-4-4 21 San Mateo 0.6 miles on Bean Hollow Road off of Pescadero Road, ca. 1.0 mi e of Highway 1. About 10 ft off of the n edge of the road. 60 Comment
  JROH4696  Maianthemum racemosum John H. Thomas 1979-4-8 19443 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSB11486  Maianthemum racemosum Olson, Jim 1962-4-17 San Mateo 5 miles southeast of Halfmoon Bay on road to San Mateo. 45 Comment
  CAS-BOT-BC512107  Maianthemum racemosum subsp. amplexicaule Fred Hemphill 1973-3-17 638 San Mateo San Carlos. Chaparral area north of Malabar Road and Melendy Drive 207 Comment
  JROH4703  Maianthemum stellatum John H. Thomas 1964-4-19 10326 San Mateo Jasper Ridge Biological Preserve, Stanford University. Area below dam in among redwoods near creek Comment
  CAS-BOT-BC514169  Maianthemum stellatum Walter & Irja Knight 1964-5-4 s. n. San Mateo Colma Canyon, south ridge Comment
  RSA40108  Maianthemum stellatum Lewis S. Rose 1948-3-31 48035 San Mateo Skyline Blvd., west of Tanforan 91 Comment
  CAS-BOT-BC203908  Malacothamnus aboriginum Alice Eastwood; John Thomas Howell 1939-6-30 7435 San Mateo Los Trancos Creek near Stanford University Comment
  RSA14939  Malacothamnus arcuatus J. T. Howell 1935-4-11 12579 San Mateo West end of Hayward-San Mateo Bridge Comment
  JROH2963  Malacothamnus fasciculatus John Hunter Thomas 1977-6-7 18732 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SBBG53017  Malva arborea M. R. Benedict 1978-5-7 San Mateo Moss Beach near Princeton Comment
  SD39324  Malvella leprosa Edith Purer 1933-8-13 5424 San Mateo Field, Santa Clara Valley near Belmont Comment
  RSA8532  Marah fabacea J. T. Howell 1933-4-9 10970 San Mateo Between Pescadero and Pigeon Pt. Comment
  CAS-BOT-BC348195  Matricaria discoidea Peter H. Raven 1950-6-3 2211 San Mateo Along Millbrae Ave., Millbrae 60 Comment
  JEPS51536  Meconella californica Ivar Tidestrom 1894-3-22 San Mateo Comment
  JROH2159  Medicago lupulina Ann Lambrecht 2005-8-1 18 San Mateo Jasper Ridge Biological Preserve, Stanford University; Road C just south of low-flow crossing, west side of road Comment
  RSA101048  Medicago sativa G. Oberlander 1949-9-25 382 San Mateo Lower Crystal Springs Lake, San Francisco Watershed Reserve. Comment
  CAS-BOT-BC269474  Melica californica L. R. A. 1902-5-4 2407 San Mateo Woodside Comment
  CAS-BOT-BC264248  Melica torreyana W. R. Dudley 1899-5-1 s.n. San Mateo Road from San Andreas Rs. to Pilarcitos, Santa Cruz Mountain Peninsula Comment
  JROH2179  Melilotus albus John H. Thomas 1976-10-16 18401 San Mateo Jasper Ridge Biological Preserve, Stanford University; in Searsville Lake at the mouth of Corte de Madera Creek Comment
  JROH2180  Melilotus albus John H. Thomas 1976-10-16 18418 San Mateo Jasper Ridge Biological Preserve, Stanford University; along or near San Francisquito Creek from the low flow crossing to the vicinity of the old fireplace ruins downstream Comment
  UCSC007763  Melilotus indicus Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  POM284511  Melissa officinalis Lyman Benson 1937-8-15 8489 San Mateo Upper San Francisquito Creek, Santa Cruz Mountains. 244 Comment
  UC583160  Mentha canadensis Lewis S. Rose 1936-9-13 36730 San Mateo Granada 1 Comment
  JROH2804  Mentha pulegium M. N. Paulson 1914-10-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA177005  Mentha pulegium John H. Thomas 1964-11-29 10533 San Mateo Jasper Ridge Biological Experimantal Area, about 5 miles SW of Palo Alto; W end of Searsville Dam Comment
  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
  JROH2827  Mentha suaveolens Ann Lambrecht 2007-8-15 30 San Mateo Jasper Ridge Biological Preserve, Stanford University; Corte Madera Creek Comment
  CDA4873  Mercurialis annua T. C. Fuller 1960-6-23 4542 San Mateo East fence line, Sanchez Adobe House, south side Linda Mar Boulevard, Pedro Valley. 0 Comment
  RSA185806  Mercurialis annua John H. Thomas 1966-9-13 12391 San Mateo Pacifica. San Pedro Valley near St. Peter's Catholic Church near Oostad Blvd. and Linda Mar Blvd. Comment
  RSA190717  Mercurialis annua T. C. Fuller 1967-8-23 16293 San Mateo Coastways Ranch, 0.2 mi. e. of the Coast Hwy (Hwy 1), 0.2 mi. n. of the county line of Santa Cruz Co. in San Mateo Co. Comment
  SBBG119130  Mercurialis annua M. C. Carroll 2006-2-28 San Mateo near jct of St Hwy 84 and Portola Ave, Woodside 198 Comment
  UCD142325  Mercurialis annua T. C. Fuller 1958-10-16 1444 San Mateo Pedro Valley, E of Sanchez Adobe House, S of Linda Mar Blvd. Comment
  RSA100997  Micropus californicus G. Oberlander 1949-7-24 286 San Mateo Northern Cahill Ridge, San Francisco Watershed Reserve Comment
  UCD69082  Micropus californicus P. Rodriguez-Rojo 1997-5-31 San Mateo Jaspen Ridge. Serpentine annual grasslands. UTM: 10SEM4168 155 Comment
  CAS-BOT-BC348578  Micropus californicus var. californicus Eric Walther 1920-5-9 s.n. San Mateo Woodside Comment
  JROH1119  Micropus californicus var. californicus John H. Thomas 1958-5-10 7152 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1594161  Microseris bigelovii Jerry Powell 1991-6-1 1603 San Mateo Edgewood County Park Comment
  CAS-BOT-BC348720  Microseris bigelovii John H. Thomas 1966-4-30 11591 San Mateo Bluffs at San Gregorio Beach Comment
  CAS-BOT-BC349029  Microseris douglasii subsp. douglasii Ned Cahill 1974-4-19 150 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JROH1149  Microseris douglasii subsp. douglasii John Hunter Thomas 1988-5-3 24438 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1153  Microseris douglasii subsp. douglasii John Rawlings, Toni Corelli 2010-5-19 0928 San Mateo Jasper Ridge Biological Preserve, Stanford University. Uphill from Trail 20. 88 Comment
  POM52854  Microseris douglasii subsp. douglasii A. D. E. Elmer 1903-05 4721 San Mateo Crystal Springs Lake Comment
  POM87986  Microseris douglasii subsp. douglasii L. R. Abrams 1902-5-4 2418 San Mateo Woodside. Comment
  UC518013  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
  JROH4068  Mimulus aurantiacus var. aurantiacus W. R. Dudley 1893-7-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lake Comment
  JROH4077  Mimulus aurantiacus var. aurantiacus John Hunter Thomas 1980-6-5 19998 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4083  Mimulus douglasii Herbert Dengler 1971-3-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS22487  Minuartia douglasii C. E. Durrell 1909-4-21 San Mateo Burlingame Comment
  UC1111631  Minuartia douglasii Lewis S. Rose 1956-5-7 56067 San Mateo Skyline Blvd. w San Mateo 182 Comment
  UC204185  Minuartia douglasii A. D. E. Elmer April, 1903 5042 San Mateo San Bruno Hills Comment
  JEPS27350  Moehringia macrophylla Rimo Bacigalupi with L. R. Heckard and Jim Roof 1961-4-24 7611 San Mateo just below rocky spur due n of true summit San Bruno Mountain (directly below and ne of KQED radio power station); due n of true summit of San Bruno Mountain 342 Comment
  CAS-BOT-BC214174  Monardella villosa L. R. Abrams 1920-6-1 7496 San Mateo Back of Redwood City, Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC214078  Monardella villosa Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo Quarry 4, San Bruno Mountain Comment
  CAS-BOT-BC214081  Monardella villosa Cherie Wetzel 1969-7-8 920 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  CAS-BOT-BC220660  Monardella villosa Elizabeth McClintock 1978-4-24 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  SEINET13948729 Image available Monardella villosa Lewis S. Rose 1950-1 50135 San Mateo Emerald Lake region, hills W of Redwood City, alt ca 800 ft 244 Comment
  UCD125295  Monardella villosa subsp. franciscana Botany 102 Student 1974-5-30 s.n. San Mateo west of Radio Road near Nike Base Road, San Bruno Mountain. 381 Comment
  JROH2843  Monardella villosa subsp. villosa John Hunter Thomas 1980-6-5 19995 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  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
  UC729683  Montia fontana Carl B. Wolf 1929-4-29 3661 San Mateo 1 mi n of summit of La Honda (on Skyline Boulevard); Santa Cruz Mountains Comment
  CAS-BOT-BC444949  Montia fontana K. Hoppaugh 1929-4-29 373 San Mateo 10 mi. so. of San Francisco, Skyline Boulevard Comment
  POM192787  Montia parvifolia W. R. Dudley 1895-6-6 s.n. San Mateo Pescadero Creek Comment
  CAS-BOT-BC445195  Montia parvifolia W. R. Dudley 1895-6-6 s.n. San Mateo Santa Cruz Peninsula. By Pescadero Cr above Iversons. Comment
  CAS-BOT-BC445196  Montia parvifolia W. R. Dudley 1903-6-6 s.n. San Mateo Santa Cruz Peninsula. On Pescadero Cr. below Peter's Cr. Comment
  CAS-BOT-BC508577  Muilla maritima John H. Thomas 1969-4-24 14910 San Mateo Near Canada College, Redwood City, near Farm Hill Drive Comment
  CDA5599  Myosotis discolor Wm. Davis 1959-5-15 2398 San Mateo Woodlawn Cemetery, Colma. 0 Comment
  JROH1398  Myosotis latifolia John Hunter Thomas 1983-4-5 21326 San Mateo Jasper Ridge Biological Preserve, Stanford University; low-flow crossing Comment
  JEPS85566  Myrica californica Craig Dremann 1986-8-30 327 San Mateo near Pescadero (Bear Hollow Rd., 1/4 mi. n. of Hwy. 1 intersection) Comment
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Sep 4 2011
  RSA15308  Myrica californica Carl B. Wolf 1927-4-3 278 San Mateo 1 mi. west of Summit of La Honda grade, Santa Cruz Mts. Comment
  UC1101507  Myriophyllum sibiricum Malcolm A. Nobs and S. Galen Smith 1949-8-25 1553 San Mateo Marshes at Sharp Point. Comment
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Aug 8 2011
  CAS-BOT-BC260027  Nassella lepida John H. Thomas 1971-5-2 15855 San Mateo Near intersection of Canada Road and Edgewater Road, about 3 miles W from Redwood City 152 Comment
  RSA128469  Nassella lepida J. T. Howell 1952-5-28 28316 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC260229  Nassella pulchra W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. S side of Montara Mountain Comment
  SBBG32478  Nassella pulchra L. S. Rose 1963-4-27 63000 San Mateo Skyline Blvd, W of San Mateo 91 Comment
  JROH1572  Nasturtium officinale John Hunter Thomas 1978-7-2 19242 San Mateo Jasper Ridge Biological Preserve, Stanford University; on dam Comment
  UCD77883  Nasturtium officinale Robert E. Preston 2001-5-30 1535 San Mateo Ca. 9 mi nnw of Boulder Creek. 304 Comment
  LA206599  Navarretia heterodoxa Lewis S. Rose; 1941-6-12 41269 San Mateo W of Redwood City, Emerald Lake 120.0 Comment
  SEINET8729365 Image available Navarretia heterodoxa L. S. Rose 1941-1 41269 San Mateo Hills west of Redwood City, Emerald Lake 120 Comment
  LA206579  Navarretia squarrosa Ira L. Wiggins; 1929-7-4 3777 San Mateo 4 mi. W. of La Honda on hill road to Pescadero Beach Comment
  UC1124148  Navarretia squarrosa A. E. Wieslander 1935-2-3 504 San Mateo 0.5 mi se Pigeon Pt.; Santa Cruz Quad. 30 Comment
  UC125564  Navarretia squarrosa C. F. Baker 1903-6-30 3360 San Mateo Pilarcitos; ; Pilarcitos, San Mateo Co. Comment
  UC796712  Navarretia squarrosa Ira L. Wiggins 1949-7-2 12197 San Mateo Pescadero Beach Comment
  JROH2748  Nemophila John Hunter Thomas 1981-4-5 20287 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek Comment
  JROH2756  Nemophila John Hunter Thomas 1992-4-23 25150 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Rattlesnake Rocks and along trail to redwoods Comment
  JROH2737  Nemophila menziesii var. menziesii D. D. Davis 1903-4-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Ridge Comment
  CAS-BOT-BC219483  Nemophila parviflora Ira L. Wiggins 1925-4-1 1670 San Mateo On Kings Mountain Road above Woodside Comment
  JROH2745  Nemophila parviflora var. parviflora John H. Thomas 1972-4-1 16049 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4170  Nicotiana acuminata var. multiflora John Rawlings, Ann Lambrecht 2007-11-7 0911 San Mateo Jasper Ridge Biological Preserve, Stanford University. 115 Comment
  HSC23906  Notholithocarpus densiflorus var. densiflorus Mary Katherine Wicksten 1971-6-17 84 San Mateo Huddart Park; along road to family campground, near Madrone Area Comment
  CAS-BOT-BC140444  Oemleria cerasiformis Mrs. Geo. H. C. Meyer 1915-3-1 s.n. San Mateo Easton Comment
  POM275613  Oemleria cerasiformis Lyman D. Benson 1929-3-5 978 San Mateo Road from Searsville Lake to King's Mountain. Comment
  JROH283  Oenanthe sarmentosa James McMurphy 1906-8-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Comment
  SEINET12189806  Oenothera elata Unknown 1933-1 10375 San Mateo Boden Station, South san Francisco Comment
  JROH3082  Oenothera elata subsp. hookeri Fay Gilbert 1920-5-31 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake Comment
  RSA648323  Oenothera ovata J. Doty 1969-3-27 606 San Mateo San Gregorio State Beach Park. 15 Comment
  JROH2994  Olea europaea John Hunter Thomas 1983-4-28 21778 San Mateo Jasper Ridge Biological Preserve, Stanford University; near green shack Comment
  UC1076287  Orobanche californica subsp. californica Herbert L. Mason 1927-7-28 3983 San Mateo Pigeon Point. Comment
  UC124996  Orobanche californica subsp. californica W. A. Setchell 1908-11-1 San Mateo Farallone City. Comment
  JEPS121488  Orobanche fasciculata Adam C. Schneider with C. Matt Guilliams 2013-5-17 189 San Mateo Crystal Springs Reservoir Comment
  JROH3088  Orobanche uniflora John H. Thomas 1968-5-3 14444 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC500320  Orobanche uniflora subsp. occidentalis George Oberlander 1951-3-30 1172 San Mateo San Francisco Watershed Reserve: San Andreas Valley Comment
  CAS-BOT-BC502964  Orobanche vallicola Frank Tose 1927-10-1 s.n. San Mateo On the road to San Mateo Comment
  RSA40251  Orthocarpus densiflorus L. S. Rose 1948-5-16 48113 San Mateo Emerald Lake, west of Redwood City. 152 Comment
  RSA401985B  Orthocarpus densiflorus Francis W. Pennell, D. D. Keck 1940-5-15 25425 San Mateo Route 101, 4 miles west of Burlingame. 152 Comment
  RSA51311  Orthocarpus erianthus var. roseus Peter H. Raven 1950-4-16 1814 San Mateo Between Geneva Ave, San Francisco Co and San Bruno Mts. 183 Comment
  POM286544  Orthocarpus faucibarbatus Lyman D. Benson 1930-5-1 2066 San Mateo Stanford University, San Lorenzo mtn range. 122 Comment
  POM226857  Orthocarpus pusillus L. R. Abrams 1935-4-2 5079 San Mateo Menlo Heights. Comment
  JROH295  Osmorhiza berteroi John Hunter Thomas 1985-5-2 23580 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH299  Osmorhiza berteroi John Hunter Thomas 1986-5-17 24048 San Mateo Jasper Ridge Biological Preserve, Stanford University; dam to Rattlesnake Rock Comment
  RSA152259  Osmorhiza berteroi I. L. Wiggins 1925-04 1681 San Mateo First bridge across small creek on Kings Mountain Road above Woodside Comment
  UCSB9892  Oxalis articulata subsp. rubra Walker, Clifford 1954-4-20 San Mateo 50 yds from ocean, 1 mi. S. of Half Moon Bay Comment
  POM278945  Oxalis corniculata Lyman Benson 1930-4-6 2042 San Mateo Moss Beach. West slope. 15 Comment
  SEINET6948092  Oxalis corniculata Robert A. Evers, Clara V. Evers 1975-8-24 115022 San Mateo Trailer Villa, Redwood City. Comment
  CHSC25146  Oxalis oregana R. N. Bowman 1971-4-5 17 San Mateo On embankment along E. side of Gazos Creek, ca. 7.6 mi. N.W. of Big Basin State Park office and ca. 25 yards W. of Gazos Creek Rd. 121 Comment
  UC137426  Oxalis oregana C. F. B. 1902-3-18 325 San Mateo King's Mountain Comment
  SEINET3347652 Image available Oxalis oregana Janet Jacob 1951-4-1 60 San Mateo 7 miles E of Pescadero Comment
  CAS-BOT-BC318250  Packera breweri Otto Holm 1930-5-8 s.n. San Mateo Berenda Farm, near Redwood City. Comment
  RSA152077  Parapholis incurva John H. Thomas 1962-5-12 9859 San Mateo Franklin Point. 0 Comment
  UCD88650  Parapholis incurva August L. Hormay 1932-5-29 s.n. San Mateo San Bruno. Comment
  CDA15877  Parietaria judaica J. Xerogeanes 2000-1-4 PDR 1242905 San Mateo North Coast; Chorry Rd., San Bruno. 0 Comment
  CAS-BOT-BC259639  Paspalum dilatatum Walter & Irja Knight; Peter Rubtzoff 1987-10-16 6071 San Mateo San Bruno Mountain, ca. 0.25 mile from Randolph Avenue on Old Bayshore Highway, South San Francisco 4 Comment
  JROH5343  Paspalum distichum W. R. Dudley 1903-1-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Upper end of Searsville Lake. Comment
  RSA177004  Paspalum distichum John H. Thomas 1964-11-15 10521 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto Comment
  JROH1401  Pectocarya pusilla L. Roush & G. Kimber 1918-5-2 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1402  Pectocarya pusilla John H. Thomas 1975-5-2 17858 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1405  Pectocarya pusilla Toni Corelli 2004-4-18 270 San Mateo Jasper Ridge Biological Preserve, Stanford University. On trail 9 182 Comment
  JROH5690  Pectocarya pusilla John Rawlings 2015-4-7 1455 San Mateo Jasper Ridge Biological Preserve, Stanford University; quarry off Trail 12 110 Comment
  JROH4102  Pedicularis densiflora John H. Thomas 1958-2-15 6985 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4117  Pedicularis densiflora John Hunter Thomas 1981-5-25 20631 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA130980  Pedicularis densiflora A. M. Patterson 1907-4-27 s.n. San Mateo Kings Mt. Santa Cruz Peninsula. Comment
  SD27762  Pedicularis densiflora Carl B. Wolf 1927-3-2 235 San Mateo Searsville Lake 121 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
  SFV8311  Pedicularis densiflora L. Fenster 1964-3-22 18 San Mateo Sawyer Ridge Mountain Range. Crystal Springs Lake drainage area. Sawyer Camp Road, 3 miles from Skyline Blvd. Flat top of east facing slope. 152 Comment
  LA209494  Pedicularis dudleyi E. B. Copeland; 1982-4-9 707 San Mateo big basin of Pescadero creek Comment
Read comments
Jun 12 2020
  CAS-BOT-BC207028  Pelargonium vitifolium Roland M. Block 1894-5-1 s.n. San Mateo King's Mountain Comment
  CDA4422  Pelargonium vitifolium T. C. Fuller 1960-10-5 5198 San Mateo Along old highway right-of-way, Highway 1, 2.5 miles south of Pebble Beach State Park. 0 Comment
  JROH103  Pellaea andromedifolia John Hunter Thomas 1982-11-8 21257 B San Mateo Jasper Ridge Biological Preserve, Stanford University. Path below dam Comment
  CAS-BOT-BC330496  Pentachaeta bellidiflora Ned Cahill 1974-4-29 205 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City. Comment
  CAS-BOT-BC77007  Pentagramma triangularis subsp. triangularis George Oberlander 1950-2-1 400 San Mateo San Francisco Watershed Reserve - Pilarcitos Canyon Comment
  CAS-BOT-BC222702  Perideridia gairdneri subsp. gairdneri V. F. Hesse 1954-7-30 1344 San Mateo Near Pebble Beach 15 Comment
  JROH309  Perideridia kelloggii John H. Thomas 1972-8-18 16148 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC23968  Perideridia kelloggii Mary Katherine Wicksten 1971-7-22 183 San Mateo Huddart Park, near park entrance Comment
  CAS-BOT-BC413607  Persicaria amphibia A. D. E. Elmer 1903-7-1 4650 San Mateo San Pedro Comment
  JROH3249  Persicaria amphibia John Hunter Thomas 1979-9-9 19728 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Searsville Lake. Comment
  CAS-BOT-BC419155  Persicaria maculosa Ira L. Wiggins 1980-8-29 22262 San Mateo Bed of San Francisquito Creek ca 75 m upstream from Pope Street bridge Comment
  CAS-BOT-BC419156  Persicaria maculosa George Oberlander 1949-7-24 317 San Mateo San Francisco Watershed Reserve. San Andreas Lake Comment
  CDA8457  Petasites frigidus var. palmatus T. C. Fuller 1960-4-2 4084 San Mateo Alpine Road, 0.8 mile east of Pescadero Road, 2.8 miles southeast of La Honda. 0 Comment
  JROH1164  Petasites frigidus var. palmatus Carol Zabel 1989-8-11 27 San Mateo Jasper Ridge Biological Preserve, Stanford University; San Francisquito Creek near confluence with Bear Creek Comment
  RSA342247  Phacelia californica Robert F. Thorne, P. C. Everett 1963-6-9 32213 San Mateo On top of San Bruno Mountain, near TV tower. 335 Comment
  RSA426083  Phacelia distans L. S. Rose 1939-4-13 39065 San Mateo San Mateo Canyon near Crystal Springs Lake. 61 Comment
  JROH2760  Phacelia nemoralis subsp. nemoralis John H. Thomas 1967-5-31 12939 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC259007  Phalaris californica Walter Knight; Irja Knight 1965-6-20 s.n. San Mateo San Bruno Mountain. Crystal Cave Canyon Comment
  RSA100972  Phalaris californica G. Oberlander 1949-4-2 27 San Mateo North Cahill; San Francisco Watershed Reserve Comment
  RSA17944  Phalaris paradoxa C. B. Wolf, Le Roy Abrams 1927-6-4 s.n. San Mateo San Gregorio Comment
  JROH4292  Phoradendron serotinum subsp. tomentosum John H. Thomas 1972-4-18 16150 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1974571  Phyllospadix torreyi Kristen Kusic 2002-11-21 San Mateo Pigeon Point Comment
  UC2056116  Phyllospadix torreyi 2015-6-18 San Mateo Pescadero. beds south of promontory Comment
  CAS-BOT-BC452027  Phyllospadix torreyi Duncan M. Porter 1960-5-12 s.n. San Mateo At the foot of Beach Street, Moss Beach. Comment
  RSA232065  Physalis philadelphica John H. Thomas 1971-10-27 16026 San Mateo Near intersection of Alpine Road and Interstate Hwy 280, behind the Stanford Campus. Comment
  CAS-BOT-BC142184  Physocarpus capitatus W. R. Dudley 1894-4-21 s.n. San Mateo San Mateo Creek - Santa Cruz Peninsula Comment
  JROH3723  Physocarpus capitatus John H. Thomas 1975-6-5 17928 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near lowflow crossing Comment
  SD37696  Physocarpus capitatus Janet Turner 1933-5-15 3667 San Mateo Alpine Creek Rd. Comment
  CAS-BOT-BC206940  Pickeringia montana var. montana George Oberlander 1950-2-1 412 San Mateo Southern Cahill - San Francisco Watershed Reserve Comment
  JROH2199  Pickeringia montana var. montana John H. Thomas 1973-5-5 16765 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM20258  Pickeringia montana var. montana C. F. Baker 1902-5-10 802 San Mateo Kings Mountain. Comment
  RSA472045  Picris echioides E. A. Purer 1933-8-13 5417 San Mateo Belmont Comment
  JEPS121040  Pinus radiata Adam C. Schneider with C. Matt Guilliams 2013-3-8 40 San Mateo Crystal Springs Reservoir, Northern part of western margin of San Francisco Public Utilities Commission land. Comment
  UCSB23893  Pinus radiata Haller, John 1967-10-7 San Mateo Coastways Ranch near Ano Nuevo Creek, 0.5 miles inland from Ano Nuevo Bay, about 20 miles by road northwest of Santa Cruz 30 Comment
  CAS-BOT-BC137311  Piperia elegans James McMurphy 1906-8-24 s.n. San Mateo Field redacted by CAS, contact the data manager for more information Comment
  UC1023962  Plagiobothrys Margaret A. Barry 1937-5-8 69 San Mateo Coal Mine Ridge Comment
  SJSU15930  Plagiobothrys bracteatus Toni Corelli, John Rawlings 2016-4-29 1768 San Mateo Cascade Field along Atkinson Bluff Trail, north of Cascade Cr. Trail, in Ano Nuevo State Park 11 Comment
  RSA187365  Plagiobothrys chorisianus W. R. Dudley 1894-4-21 s.n. San Mateo Santa Cruz Mountain peninsula, near Crystal Springs Reservoir Comment
  UC573060  Plagiobothrys chorisianus H. L. Mason 1927-4-23 3692 San Mateo between Pescadero Creek and La Honda Comment
  UC73677  Plagiobothrys chorisianus Harley P. Chandler 1901-3-15 806 San Mateo cliffs w Colma Comment
  UC78191  Plagiobothrys chorisianus Mrs. K. Brandegee 1890-5-22 San Mateo La Honda Comment
  CAS-BOT-BC228116  Plagiobothrys chorisianus Daniel Cohen 1953-5-9 77 San Mateo Top of sea cliff at Pescadero Comment
  CAS-BOT-BC228159  Plagiobothrys chorisianus var. chorisianus W. R. Dudley 1896-4-4 s.n. San Mateo The Santa Cruz Mountain Peninsula. Near Crystal Springs Lake Comment
  CAS-BOT-BC228161  Plagiobothrys chorisianus var. chorisianus W. R. Dudley 1908-6-19 s.n. San Mateo The Santa Cruz Mountain Peninsula. W of Jersey Farm Dairy Comment
  SD73208  Plagiobothrys chorisianus var. chorisianus Darley F. Howe 1969-6-10 4640 San Mateo 18.5 miles north of San Mateo Santa Cruz County line. Comment
  CAS-BOT-BC228170  Plagiobothrys chorisianus var. hickmanii David D. Keck 1938-5-30 4728 San Mateo Pescadero, on bluffs overlooking the ocean 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
  JROH1423  Plagiobothrys nothofulvus John H. Thomas 1968-4-19 14291 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1435  Plagiobothrys tenellus P. R. Hickborn 1920-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR253350  Plantago coronopus A. C. Sanders 2014-8-3 41233 San Mateo San Francisco Bay, South San Francisco, San Francisco Bay Trail in vicinity of S Airport Drive, Utah Ave., and Haskins Way, between Hwy 101 and San Francisco Bay 6 Comment
  UCD124413  Plantago elongata June McCaskill 1954-5-8 293 San Mateo Moss Beach. Comment
  SBBG33953  Plantago erecta L. S. Rose 1966-5-2 San Mateo Emerald Lake, W of Redwood City 91 Comment
  UCSC007768  Plantago lanceolata Becky Hendricks, Chris Lay 2012-6-22 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC157692  Plantago major Peter Rubtzoff; Roman Gankin 1975-9-11 8371 San Mateo San Bruno Mountain. Pond NW of and across old Guadalupe Road from Saddle area (which is located on N side of Guadalupe Canyon Parkway, W of Radio Road junction Comment
  JROH3133  Plantago major John H. Thomas 1959-8-22 8082 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM61259  Plantago maritima E. B. Copeland 1903-6-5 3331 San Mateo Montara Point. Comment
  RSA176766  Plantago maritima John H. Thomas 1963-5-20 10139 San Mateo Ano Nuevo Island, 1/2 mile off shore and about 20 miles NW of Santa Cruz. Comment
  UC888462  Plantago maritima var. californica Lewis S. Rose 1937-9-5 37645 San Mateo Mussel Rocks 60 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
  UCD124564  Plantago subnuda G. Thomas Robbins 1953-8-29 3616 San Mateo Along State Highway 1, 1.5 - 2 miles south of San Francisco City and County line. Comment
  CAS-BOT-BC92022  Platystemon californicus David D. Keck 1932-5-6 1473 San Mateo Burlingame. North city limits. Comment
  LA206262  Platystemon californicus David D. Keck; 1932-5-6 1473 San Mateo Burlingame, N city limits Comment
  CAS-BOT-BC389703  Platystemon californicus L. Sigal 1969-5-1 s.n. San Mateo Skyline Boulevard - Burlingame Comment
  SEINET12102792  Platystemon californicus L. S. Rose 1938-1 37230 San Mateo Emerald Lake, W of Redwood City 107 Comment
  UC1018907  Plectritis brachystemon S. C. Dyal, C. G. Nast 1938-5-4 718 San Mateo 1 mi w of San Mateo Comment
  JROH4252  Plectritis macrocera John H. Thomas 1977-4-29 18572 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC204163  Pleuricospora fimbriolata A. D. E. Elmer Jun 1903 5075 San Mateo on Big Basin trail, Iverson's Place Comment
  UCD92189  Poa August L. Hormay 1932-5-29 s.n. San Mateo Bay shore, San Bruno. Comment
  CAS-BOT-BC255565  Poa annua Ira L. Wiggins 1928-4-22 2944 San Mateo Moss Beach Comment
  CAS-BOT-BC255566  Poa annua Ira L. Wiggins 1975-4-17 22142 San Mateo NE side of Southern Pacific right-of-way, between San Francisquito Creek and Willow Road, Menlo Park Comment
  JROH5399  Poa annua John H. Thomas 1975-4-3 17702 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC254907  Poa bulbosa W. L. Plummer 1963-3-27 s.n. San Mateo Alvin Peters property, Skyline Boulevard, Redwood City Comment
  UC1537366  Poa douglasii Gordon H. True Jr. 1937-3-31 618 San Mateo Salada Beach 60 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
  CAS-BOT-BC246710  Poa howellii George Oberlander 1950-4-23 850 San Mateo San Francisco Watershed Reserve. Cahill Ridge Comment
  JROH5409  Poa howellii John H. Thomas 1964-4-19 10329 San Mateo Jasper Ridge Biological Preserve, Stanford University. Area below dam in among redwoods near creek. Comment
  RSA135727  Poa howellii W. R. Dudley 1900-3-17 s.n. San Mateo Ravine north of Seal Cove. Comment
  CAS-BOT-BC261644  Poa infirma Peter Rubtzoff 1988-5-3 9912 San Mateo San Bruno Mountain, Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road Junction, near old Guadalupe Road in the northwest part of the Saddle area, east of Saddle Trail Junction. Comment
  CAS-BOT-BC243123  Poa secunda subsp. secunda L. R. A. 1902-5-4 2408 San Mateo Woodside Comment
  CAS-BOT-BC244252  Poa unilateralis Dr. E. B. Copeland 1903-6-17 3306 San Mateo Montara Point Comment
  UC156969  Poa unilateralis Dr. E. B. Copeland 1903-6-17 3306 San Mateo Montera Point Comment
  JROH2859  Pogogyne serpylloides John H. Thomas 1976-4-30 18104 A San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  SD73212  Pogogyne serpylloides Darley F. Howe 1969-6-10 4642 San Mateo 18.5 miles north of San Mateo-Santa Cruz county line on Highway 1. Comment
  UC203050  Polemonium carneum A. D. E. Elmer July, 1903 4771 San Mateo Pilarcitos Stone Dam Comment
  CDA34563  Polygala californica M. Beyers, Z. Bakman, L. Feely, & D. Sozanni 2011-4-4 873 San Mateo Pacifica: San Pedro Valley County Park, along Brooks Creek Trail. 148 Comment
  SEINET10904450  Polygonum amphibium var. emersum Mary Susan Taylor 1978-8-30 Taylor 1869 San Mateo Comment
  POM165063  Polygonum amphibium var. stipulaceum A. D. E. Elmer 1903-07 4650 San Mateo San Pedro. Comment
  JEPS81638  Polygonum aviculare subsp. aviculare J. C. Hickman 1981-7-21 1004 San Mateo Ano Nuevo Reserve; near center Comment
  CAS-BOT-BC6613  Polygonum coccineum f. terrestre Charles Fuller Baker 1902-10-20 1835 San Mateo Searsville Comment
  JEPS50613  Polygonum paronychia Adele Lewis Grant 1917-5-6 944 San Mateo near Pescadero; Pebble Beach 3 Comment
  LA51064  Polygonum paronychia Ira L. Wiggins; 1929-7-4 3795 San Mateo Pescadero Beach Comment
  RSA18362  Polygonum paronychia Carl B. Wolf 1929-5-25 3726 San Mateo Pebble Beach, S of Pescadero Comment
  UC1187045  Polygonum paronychia V. F. Hesse 1956-11-15 2137 San Mateo coastal bluff between Pigeon Point and Pebble Beach 6 Comment
  HSC1135  Polypodium californicum L. S. Rose 1964-2-6 64001 San Mateo Kings Mtn. 610 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
  JROH77  Polypodium californicum John H. Thomas 1967-4-28 12729 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  SJSU2297  Polypodium californicum C. W. Sharsmith 1950-4-16 6626 San Mateo seaward rim of coastal bluff near Pescadero Point near Pescadero Comment
  SEINET10602416  Polypogon interruptus Adolph D. E. Elmer Elmer 4694 San Mateo Pilarcitos Creek. Comment
  JROH5439  Polypogon monspeliensis H. J. Dengler 1961-7-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek not far from where it trends east from Jasper Ridge. Comment
  JROH5608  Polypogon monspeliensis John Rawlings 2013-5-28 1210 San Mateo Jasper Ridge Biological Preserve, Stanford University. Small drainage west of Goya Gate. 177 Comment
  SEINET200159 Image available Polypogon monspeliensis Malcolm A. Nobbs, S. Galen Smith 1949-8-25 1563 San Mateo Marshes at Sharp Park. Comment
  SBBG51403  Polystichum dudleyi J. Doty 1969-3-27 609 San Mateo N side of St Hwy 84, ca. 50' W of Bridge No 35-165, ca. 6 mi E of St Hwy 1 Comment
  CAS-BOT-BC76647  Polystichum munitum Eric Walther 1919-6-9 s.n. San Mateo Woodside Comment
  CHSC39836  Polystichum munitum Maxey-Jones 1928-4-21 San Mateo La Honda Redwoods. Comment
Read comments
Jul 7 2010
  CAS-BOT-BC76611  Polystichum munitum Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain - Quarry 3 Comment
  IRVC3912  Polystichum munitum P. W. Rundel 1963-6-11 1128 San Mateo San Fransisco Bay drainage area; Old La Honda Road. Santa Cruz Mountain Range 305 Comment
  RSA11001  Polystichum munitum C. B. Wolf 1928-3-14 1538 San Mateo La Honda Grade, Santa Cruz Mountains. Comment
  CAS-BOT-BC410033  Populus X parryi W. R. Dudley 1895-3-11 s.n. San Mateo San Fransicquito Creek, S of Railroad bridge Comment
  RSA681612  Populus fremontii Annuschka Deb 1989-7-28 328 San Mateo YBN Demonstration Garden. Comment
  CAS-BOT-BC267167  Potamogeton foliosus H. L. Mason 1921-5-28 s.n. San Mateo Lagoon back of Near Years Pl Comment
  JROH5513  Potamogeton illinoensis John H. Thomas 1964-10-2 10509 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Searsville Lake near bridge Comment
  CAS-BOT-BC453734  Potamogeton illinoensis George Oberlander 1949-8-20 386 San Mateo San Francisco Watershed Reserve. San Andreas Lake Comment
  JEPS42973  Potamogeton nodosus W. L. Jepson 1910-8-18 4165 San Mateo White House Creek Comment
  UC652561  Potamogeton pectinatus Ira L. Wiggins and Roxana S. Ferris 1939-8-2 9293 San Mateo Ano Nuevo Point Comment
  CAS-BOT-BC453998  Potamogeton pectinatus George Oberlander 1950-7-15 1074 San Mateo San Francisco Watershed Reserve. San Andreas Lake Comment
  UC279589  Potamogeton pectinatus W. A. Setchell, C. B. Setchell, H. E. Parks 1925-4-29 San Mateo Comment
  CAS-BOT-BC454052  Potamogeton pusillus subsp. pusillus Charles W. O'Brien 1964-8-31 s.n. San Mateo Lake Pilarcitos Comment
  CAS-BOT-BC389769  Potentilla anserina R. D. Hennessey 1964-4-26 68 San Mateo Area in which Pilarcitos Creek empties into ocean 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
  CHSC39829  Potentilla anserina subsp. pacifica Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  JEPS44265  Potentilla hickmanii K. Brandegee 1905-6-20 San Mateo Moss Beach , Moss Beach (Halfmoon Bay) Comment
  UC1952815  Potentilla hickmanii Barbara Ertter with Tony Morosco, Deb Hillyard, Richard Vonarb 1995-6-15 14257 San Mateo Martini Creek at south end of Devil's Slide, north-facing grassy hillside Comment
  UCSB17159  Poterium sanguisorba Schulte, John 1963-4-27 San Mateo Jasper Ridge, 3 miles southwest of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  JROH4676  Prosartes hookeri John Hunter Thomas 1985-4-25 23567 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC516357  Prosartes hookeri Ira L. Wiggins 1928-4-14 2912 San Mateo Alpine Creek Road Comment
  CAS-BOT-BC517388  Prosartes smithii E. W. Rust 1887-4-27 133 San Mateo Kings Mountain Comment
  CAS-BOT-BC517398  Prosartes smithii W. R. Dudley 1895-4-14 s.n. San Mateo Santa Cruz Peninsula, beyond summit on Woodside Road Comment
  RSA18456  Prunella vulgaris var. lanceolata Carl B. Wolf 1927-6-29 551 San Mateo South of Pebble Beach near Pescadero. Comment
  JROH5842  Prunella vulgaris var. vulgaris A. Lambrecht 2005-7-25 s.n. San Mateo West Menlo Park, California 43 Comment
  CAS-BOT-BC158173  Prunus emarginata Peter H. Raven 1950-4-16 1810 San Mateo Above [Visitation] Visitacion Valley, San Bruno Mts. 182 Comment
  CAS-BOT-BC154506  Prunus ilicifolia L. S. Rose 1927-5-21 s.n. San Mateo Pigeon Point 15 Comment
  UC861053  Prunus ilicifolia Lewis S. Rose 1937-10-31 37725 San Mateo Hill w of Tanforan 91 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-BC154654  Prunus subcordata Margaret A. Barry 1938-4-21 248 San Mateo North slope on Los Trancos Creek near Coal Mine Ridge 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
  JROH755  Pseudognaphalium californicum John H. Thomas 1961-6-7 9534 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH757  Pseudognaphalium californicum John H. Thomas 1967-5-10 12851 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH759  Pseudognaphalium californicum John H. Thomas 1971-5-30 15971 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH775  Pseudognaphalium luteoalbum John H. Thomas 1970-7-5 15657 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH777  Pseudognaphalium luteoalbum John H. Thomas 1974-10-29 17649 San Mateo Jasper Ridge Biological Preserve, Stanford University; Small peninsula created by drainage channel cut to accomodate water from Corte Madera Cr. Comment
  UC1177367  Pseudognaphalium luteoalbum Peter H. Raven 1950-6-3 2273 San Mateo on the stand San Anderas Lake 121 Comment
  RSA18445  Pseudognaphalium stramineum C. B. Wolf 1927-6-29 563 San Mateo South of Pebble Beach near Pescadero Comment
  UC1118467  Pseudognaphalium stramineum H. S. Yates 1935-2-3 5004 San Mateo 0.5 mi se Pigeon Pt.; Santa Cruz Quad. 30 Comment
  UC917227  Pseudognaphalium stramineum J. D. Skoss 1948-7-25 44 San Mateo Montara Comment
  CAS-BOT-BC361569  Pseudognaphalium stramineum George Oberlander 1949-7-30 327 San Mateo San Francisco Watershed Reserve. Sawyer Ridge Comment
  CAS-BOT-BC85916  Pseudotsuga menziesii A. D. E. Elmer 1903-4-1 4562 San Mateo King's Mt. Comment
  RSA107418  Pseudotsuga menziesii L. S. Rose 1955-9-19 55178 San Mateo Skyline Boulevard, 7 miles west of Saratoga. 686 Comment
  JROH124  Pseudotsuga menziesii var. menziesii John H. Thomas 1970-1-1 15492 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC362023  Psilocarphus tenellus Peter H. Raven 1950-4-16 1804 San Mateo Summit ridge, San Bruno Mts. 243 Comment
  CAS-BOT-BC362032  Psilocarphus tenellus H. A. Dutton 1900-3-25 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  JROH1187  Psilocarphus tenellus John Hunter Thomas 1980-5-8 19948 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1193  Psilocarphus tenellus John Hunter Thomas 1989-5-9 24711 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC362018  Psilocarphus tenellus George Oberlander No date on label 918 San Mateo San Francisco Watershed Reserve Comment
  CAS-BOT-BC362021  Psilocarphus tenellus Elizabeth McClintock 1965-4-11 s.n. San Mateo San Bruno Mountain. Crocker Hills. Near Guadalupe Road Comment
  JROH3287  Pterostegia drymarioides Herbert Dengler unspecified s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA149177  Pterostegia drymarioides John H. Thomas 1961-5-13 9333 San Mateo Franklin Point. Comment
  CAS-BOT-BC421314  Pterostegia drymarioides W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Peninsula. By grade south slope Montara Mts. Comment
  UCSC003366  Puccinellia Randall Morgan 2001-5-20 3735 San Mateo San Gregorio State Beach, San Mateo County Comment
  UCD92955  Puccinellia maritima A. A. Beetle 1946-6-4 4278 San Mateo San Mateo City limits on San Mateo Bridge approach. On San Francisco Bay margin. Comment
  JROH5759  Punica granatum John H. Thomas 1973-6-15 16854 San Mateo Woodside. [Jasper Ridge Biological Preserve fence line.] Just outside of Stanford Property, near intersection of San Hill and Whisky Hill roads. 121 Comment
  CAS-BOT-BC460837  Pyrola aphylla A. D. E. Elmer 1903-6-1 4297 San Mateo Pescadero Comment
  RSA136301  Pyrrocoma racemosa W. R. Dudley 1901-9-4 s.n. San Mateo Cooley's Landing near Palo Alto. Comment
  JROH2537  Quercus X jolonensis Lucile Roush 1917-10-9 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC61708  Quercus agrifolia Walter Knight; Irja Knight 1964-9-2 722 San Mateo About 1/3 way up Buckeye Canyon - west facing slope, San Bruno Mountain Comment
  CAS-BOT-BC61709  Quercus agrifolia Lewis S. Rose 1964-3-23 64012 San Mateo Emerald Lake, w of Redwood City hills 121 Comment
  CAS-BOT-BC61710  Quercus agrifolia Ned Cahill 1974-5-13 258 San Mateo near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JROH2462  Quercus agrifolia var. agrifolia John H. Thomas 1974-6-30 17461 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC94280  Quercus durata James McMurphy 1908-8-20 s.n. San Mateo near shore this side of Crystal Springs Comment
  CAS-BOT-BC94283  Quercus durata James McMurphy 1906-5-11 51 San Mateo Woodside, Santa Cruz Mountains Comment
  CAS-BOT-BC94284  Quercus durata W. R. Dudley 1909-4-27 s.n. San Mateo between Woodside and Crystal Springs Lake Comment
  JROH2483  Quercus durata var. durata John H. Thomas 1970-4-28 15608 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC105399  Quercus kelloggii J. I. McMurphy 1904-3-7 48 San Mateo Santa Cruz Mountain Peninsula. Foothills near Woodside Comment
  JROH2507  Quercus kelloggii John Hunter Thomas 1981-4-27 20501 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2511  Quercus kelloggii John Hunter Thomas 1988-4-6 24372 San Mateo Jasper Ridge Biological Preserve, Stanford University; along road near dam Comment
  POM270254  Quercus kelloggii Lyman Benson 1930-5-3 21100 San Mateo Above Woodside, Mt. Range: Santa Cruz 366 Comment
  RSA118969  Quercus kelloggii John H. Thomas 1955-3-21 4694 San Mateo New La Honda Road between Searsville and Skyline Blvd., 1.8 miles from Searsville. East slope of the Santa Cruz Mountains. 274 Comment
  RSA571671  Quercus kelloggii D. D. Keck 1932-3-6 1395 San Mateo La Honda road above Searsville Lake, Santa Cruz Mountains. Comment
  UCD46676  Quercus kelloggii Ira L. Wiggins 1946-5-2 s.n. San Mateo La Honda road, above Searsville Reservoir, San Mateo County, California. 457 Comment
  UCSB1185  Quercus kelloggii Haller, John 1950-4-26 San Mateo Stanford University, near highway bridge over cree, at edge of golf course Comment
  JROH2515  Quercus lobata Josephine D. Randall 1907-3-9 130 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Road to Woodside Comment
  JROH2518  Quercus lobata John H. Thomas 1968-4-19 14299 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2524  Quercus lobata John Hunter Thomas 1979-9-9 19733 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD38233  Quercus lobata Delzie Demaree 1929-10-17 3678 San Mateo King's Mountain Comment
  CAS-BOT-BC62889  Quercus lobata W. R. Dudley 1893-12-4 s.n. San Mateo By road Hopperville to Woodside Comment
  CAS-BOT-BC134792  Quercus wislizeni J. H. Thomas 1949-11-5 1227 San Mateo Near airstrip along Butano Fire Break 518 Comment
  CAS-BOT-BC362545  Rafinesquia californica Fred Hemphill 1973-5-14 817 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC362546  Rafinesquia californica Fred Hemphill 1973-5-14 822 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC362550  Rafinesquia californica John H. Thomas 1961-5-7 9294 San Mateo San Bruno Mountain in northern part of county 396 Comment
  JROH3471  Ranunculus californicus John H. Thomas 1974-4-6 17090 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3475  Ranunculus californicus Toni Corelli 2005-4-13 284 San Mateo Jasper Ridge Biological Preserve, Stanford University; east of Trail 10 178 Comment
  RSA15338  Ranunculus californicus Carl B. Wolf 1927-2-5 149 San Mateo Pilarcitos Lake Comment
  POM268416  Ranunculus californicus Lyman Benson 1930-4-6 s.n. San Mateo San Lorenzo Mt: Crystal Springs Lake. 183 Comment
  RSA119760  Ranunculus californicus I. L. Wiggins 1929-3-24 3381 San Mateo On road to Searville Lake, back of Stanford University. Comment
  UC750526  Ranunculus californicus Lewis S. Rose 1947-4-14 47094 San Mateo Skyline Blvd. e Sharps Park 152 Comment
  CAS-BOT-BC378524  Ranunculus californicus var. californicus Margaret A. Barry 1937-5-8 56 San Mateo grassland on Coal Mine Ridge Comment
  CAS-BOT-BC378538  Ranunculus californicus var. californicus M. P. Johnson 1967-2-18 10013 San Mateo open north facing slope off Crocker Avenue just south of San Francisco boundary 183 Comment
  RSA120769  Ranunculus californicus var. cuneatus S. S. Tillett, I. Sternback 1956-6-24 537 San Mateo Middleton property, behind (N.) Portola Camp Store, just outside Portola State Park. 396 Comment
  JROH3478  Ranunculus hebecarpus John H. Thomas 1971-4-25 15788 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3484  Ranunculus hebecarpus John Hunter Thomas 1981-4-21 20457 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3492  Ranunculus hebecarpus John Hunter Thomas 1988-4-7 24382 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS67906  Ranunculus lobbii L. R. Heckard and J. H. Thomas 1972-4-16 2889 San Mateo ca 1 1/2 mi s Pulgas Water Temple (along old Canada road (private), sw of Upper Crystal Springs Reservoir) 121 Comment
  RSA230359  Ranunculus orthorhynchus var. bloomeri L. S. Rose 1937-4-30 37241 San Mateo Brisbane. 6 Comment
  UC13950  Ranunculus orthorhynchus var. bloomeri Alice Eastwood Feb. 1896 San Mateo Comment
  POM269795  Ranunculus pusillus W. R. Dudley 1906-5-8 s.n. San Mateo Road betw woodside and Byrnes store Comment
  UCD20153  Ranunculus trilobus Phil Greer 2002-4-17 s.n. San Mateo Hwy 101, in Half Moon Bay. Comment
  JROH3501  Ranunculus uncinatus John Rawlings 2013-4-16 1144 A San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 1. 79 Comment
  OBI27163  Raphanus sativus Laura Wells 1970-2-1 8 San Mateo Half Moon Bay about 14 mi W of San Mateo Comment
  UC592791  Rhamnus californica unknown 1927-12-31 1472 San Mateo 0.5 way up Kings Mt. Comment
  UC33635  Rhamnus californica subsp. californica Jos. Burtt Davy 1893-6-22 841 San Mateo Lake Pilarcitos Comment
  POM222806  Rhamnus crocea J P Rose 1909-4-17 s.n. San Mateo Los Trancos Creek. 61 Comment
  CAS-BOT-BC55889  Rhamnus crocea R. Hoffough 1929-5-8 793 San Mateo Los Altos Hills Comment
  CAS-BOT-BC389666  Rhododendron occidentale Wicksten 1975-6-19 233 San Mateo Unspecified Comment
  UC311182  Ribes aureum A. D. E. Elmer May, 1903 4514 San Mateo Portola Comment
  JROH2633  Ribes aureum var. gracillimum Carol Zabel 1989-8-7 22 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 12 at bridge nearest Mapache Gate. Comment
  RSA124767  Ribes californicum John H. Thomas 1959-2-23 7518 San Mateo Jasper Ridge, about 5 mi SW of Palo Alto. 152 Comment
  UC204126  Ribes californicum A. D. E. Elmer March 1903 4683 San Mateo Portola Comment
  CAS-BOT-BC93011  Ribes californicum var. californicum Adoph Holme 1929-4-1 s.n. San Mateo Berenda Farm near Redwood City. Comment
  JROH2644  Ribes californicum var. californicum John Hunter Thomas 1981-2-14 20217 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC6176  Ribes deductum Charles Fuller Baker 1902-4-4 441 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC173089  Ribes divaricatum var. pubiflorum F. J. Jack 1894-3-24 s.n. San Mateo Near McDonough Ranch, Portola Comment
  CAS-BOT-BC173463  Ribes malvaceum James Roof; Walter Knight; Irja Knight 1967-7-16 2072 San Mateo On north side of ridge road adjacent to Owl's Canyon 304 Comment
  CAS-BOT-BC173470  Ribes malvaceum James B. Roof; Walter Knight; Irja Knight 1965-6-20 1127 San Mateo Crystal Cave Canyon Comment
  CAS-BOT-BC173475  Ribes malvaceum W. R. Dudley 1893-1-1 s.n. San Mateo Near Belmont Comment
  CAS-BOT-BC173476  Ribes malvaceum W. R. Dudley 1893-1-1 s.n. San Mateo Near Belmont Comment
  CAS-BOT-BC212833  Ribes menziesii W. R. Dudley 1893-3-23 s.n. San Mateo Canada Cr. near Searsville Comment
  CAS-BOT-BC212841  Ribes menziesii J. H. Thomas 1949-3-29 188 San Mateo King's Mountain Comment
  CAS-BOT-BC212822  Ribes menziesii W. R. Dudley 1894-7-7 s.n. San Mateo Road to La Honda, below first long turn beyond the crest Comment
  RSA0021788  Ribes menziesii D. D. Keck 1932-3-6 1397 San Mateo Near La Honda, Santa Cruz Mountains. 200 Comment
  JROH5605  Ribes menziesii var. menziesii John Rawlings 2014-3-25 1211 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along Trail 2 -- one plant upslope and one downslope -- about 400 yards west of Zoology Cabin site. 80 Comment
  UC463132  Ribes menziesii var. senile W. R. Dudley 1894-3-23 San Mateo above Searsville Dam (below McDonough ranch); Santa Cruz Peninsula, Canada Creek Comment
  JEPS48600  Ribes sanguineum Elsa Kraeger 1926-2-21 San Mateo La Honda Comment
  CAS-BOT-BC144605  Ribes sanguineum var. glutinosum Lewis S. Rose 1955-4-1 55041 San Mateo Kings Mountain 609 Comment
  CAS-BOT-BC144606  Ribes sanguineum var. glutinosum Elmer I. Applegate 1895-3-3 198 San Mateo San Gregorio Creek below La Honda Comment
  CAS-BOT-BC144630  Ribes sanguineum var. glutinosum Ira L. Wiggins 1929-3-23 3371 San Mateo Road to Mud Lake, near Stanford University Comment
  CAS-BOT-BC144645  Ribes sanguineum var. glutinosum Josephine D. Randall 1907-3-9 367 San Mateo Kings Mt. Comment
  CAS-BOT-BC144646  Ribes sanguineum var. glutinosum W. R. Dudley 1904-3-1 62 San Mateo Corte de Madera Creek, Santa Cruz Mts. Comment
  CAS-BOT-BC144650  Ribes sanguineum var. glutinosum Ray H. Yanis 1951-4-21 53 San Mateo Searsville Lake edge 15 Comment
  UC676760  Ribes sanguineum var. glutinosum Reed C. Rollins 1941-2-22 2936 San Mateo about 10 mi nw Palo Alto; Coast Range 152 Comment
  JROH1203  Rigiopappus leptocladus John H. Thomas 1963-5-15 10089 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2209  Robinia pseudoacacia Toni Corelli 2011-3-7 366 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below Trail 20; Bear Creek just before confluence of San Francisquito Creek 81 Comment
  CAS-BOT-BC6011  Romanzoffia californica Charles Fuller Baker 1902-4-6 463 San Mateo Crystal Springs Lake Comment
  JEPS25747  Romanzoffia californica L. R. Heckard with R. Bacigalupi 1961-5-14 1232 San Mateo ca. 2 mi. s. Pilarcitos Reservoir (near Stone Dam Reservoir, along Pilarcitos Creek); Pilarcitos Creek 182 Comment
  POM65453  Romanzoffia californica A. D. E. Elmer 1903-05 4482 San Mateo Towards San Mateo; Crystal Springs Lake. Comment
  POM65642  Romanzoffia californica L. R. Abrams 1916-4-22 5582 San Mateo Pilarcitos Canyon at the little upper lake; Santa Cruz Mountain 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
  RSA0003889  Romanzoffia californica C. F. Baker 1902-4-6 s.n. San Mateo Crystal Springs Lake. Comment
  CHSC59705  Rorippa nasturtium-aquaticum Jan M. Karaz 1979-5-28 82 San Mateo 2.5 mi west of Hwy 280 toward San Francisco Bay on Farm Hill Blvd, along Stulsaft Creek in Stulsaft Park. 3 Comment
  JROH1578  Rorippa palustris subsp. palustris James McMurphy 1906-8-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Comment
  JROH1584  Rorippa palustris subsp. palustris John Hunter Thomas 1979-9-9 19722 San Mateo Jasper Ridge Biological Preserve, Stanford University; edge of Searsville Lake Comment
  SEINET11917917  Rosa californica J. C. McMurphy 1906-1 64 &35 San Mateo Santa Cruz Mts & Palo Alto Comment
  CAS-BOT-BC146691  Rosa gymnocarpa Walter Knight; Irja Knight 1964-5-30 601 San Mateo Colma Canyon Comment
  CAS-BOT-BC146693  Rosa gymnocarpa James B. Roof 1965-4-25 s.n. San Mateo Head of Owl's Canyon on ridge Comment
  JROH3766  Rosa spithamea Toni Corelli 2007-10-31 342 San Mateo Jasper Ridge Biological Preserve, Stanford University; along Trail 1 just before 1st redwood grove, north side of trail, above San Francisquito Creek 80 Comment
  JROH5631  Rosmarinus officinalis John Rawlings 2014-4-4 1233 San Mateo Jasper Ridge Biological Preserve, Stanford University; 20 meters east of Goya Gate a few meters inside Preserve fence line. 195 Comment
  UCD92298  Rostraria cristata John Thomas Howell 1973-4-28 49145 San Mateo Burlingame. Comment
  RSA165909  Rubus discolor John H. Thomas 1963-9-11 10263 -A San Mateo San Bruno Mtn. Near intersection of Guadalupe Rd and South Hill Blvd. (Location map on voucher.) 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-BC152869  Rubus parviflorus Walter Knight; Irja Knight 1964-5-30 602 San Mateo Colma Creek - San Bruno Mountain Comment
  JROH3770  Rubus parviflorus John H. Thomas 1970-5-16 15632 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC156662  Rubus spectabilis V. F. Hesse 1959-4-16 2587 San Mateo Gazos Creek near coast 45 Comment
  CAS-BOT-BC156768  Rubus spectabilis Walter Knight; Irja Knight 1964-4-25 1242 San Mateo Half way up Colma Canyon adjacent to creek. San Bruno Mountain Comment
  CAS-BOT-BC157072  Rubus ursinus L. R. Abrams 1914-10-14 5129 San Mateo [Tunitos Canon] Tunitas Canyon Comment
  CAS-BOT-BC157094  Rubus ursinus W. R. Dudley 1895-9-15 s.n. San Mateo [El Corte de Madera] Corte Madera Creek, Lumber Camp Comment
  UC748878  Rubus ursinus Alice Eastwood, John Thomas Howell 1938-6-26 6055 San Mateo near Pescadero; near Pescadero Comment
  RSA89757  Rubus ursinus Philip A. Munz 1954-8-4 19913 San Mateo Montara. Comment
  CAS-BOT-BC422085  Rumex acetosella Ira L. Wiggins 1925-4-1 1674 San Mateo First bridge across small creek on Kings Mountain Road above Woodside. Comment
  CAS-BOT-BC422086  Rumex acetosella Elizabeth McClintock 1967-4-16 s.n. San Mateo San Bruno Mountain. Buckeye Canyon. Comment
  CAS-BOT-BC422090  Rumex acetosella Elizabeth McClintock; Paul Reeberg 1989-8-31 s.n. San Mateo San Bruno Mountains. Willow Pond. Comment
  CAS-BOT-BC433354  Rumex crispus Javier Penalosa 1963-2-23 2656 San Mateo San Bruno Mtn. Ravine south of Crocker Ave. 213 Comment
  CAS-BOT-BC433360  Rumex crispus David D. Keck 1932-5-6 1459 San Mateo Belmont Comment
  CAS-BOT-BC433817  Rumex pulcher David D. Keck 1932-5-6 1458 San Mateo Belmont Comment
  CAS-BOT-BC433829  Rumex pulcher Elizabeth McClintock; Carlyn Halde; Walter Knight; Walter Knight 1963-6-23 s.n. San Mateo San Bruno Mountain. Lower part of Colma Canyon Comment
  SD39773  Rumex salicifolius Edith A. Purer 1932-7-18 4015 San Mateo Half Moon Bay, sand dunes Comment
  CAS-BOT-BC433998  Rumex salicifolius George Oberlander 1949-7-24 306 San Mateo San Francisco Watershed Reserve. About Upper Crystal Spr. Lake Comment
  CAS-BOT-BC434131  Rumex transitorius Walter Knight; Irja Knight; Elizabeth McClintock 1963-9-2 s.n. San Mateo San Bruno Mountain. Crocker Hills Comment
  UC279590  Ruppia maritima W. A. Setchell 1925-8-29 San Mateo Laguna de Salada Comment
  SJSU4472  Ruta chalepensis A. J. Hutchko 1962-5-20 100 San Mateo by seaside walk near foot of Grove St, Half Moon Bay 15 Comment
  CDA38605  Rytidosperma caespitosum Eric Wrubel, Joe Woods 2011-7-5 NPS 19 San Mateo Pacifica. Golden Gate National Recreation Area, Sweeney Ridge Trail, 1/2 mile south of Vista College. 0 Comment
  CDA43028  Rytidosperma caespitosum T. Hyland 2014-6-27 PDR# MVAP 06098549 San Mateo Ano Nuevo State Park, along entrance road. 0 Comment
  JROH1716  Sagina apetala John H. Thomas 1971-4-21 15766 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5580  Sagina apetala John Rawlings 2013-7-2 1200 San Mateo Jasper Ridge Biological Preserve, Stanford University; just downstream from Low Flow Crossing, San Francisquito Cr. 80 Comment
  JEPS59843  Salicornia virginica unknown 1925-5-28 18 San Mateo Tunitas Comment
  SEINET4174272  Salicornia virginica G. E. Sindel 1935-7-25 303 San Mateo Mouth of Pescadero Creek Comment
  CAS-BOT-BC125944  Salix X rubens George Oberlander 1950-4-16 627 San Mateo North of San Andreas Lake Comment
  UCD110943  Salix exigua Lewis S. Rose 1965-3-8 65003 San Mateo Searsville Lake. 121 Comment
  UCD110944  Salix exigua Lewis S. Rose 1965-3-8 65003 San Mateo Searsville Lake. 121 Comment
  JROH3869  Salix lasiandra var. lasiandra John H. Thomas 1967-3-26 12415 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC125371  Salix lasiandra var. lasiandra W. R. Dudley 1900-3-17 s.n. San Mateo South side of Montara Mts. along road Comment
  CAS-BOT-BC107139  Salix lasiolepis W. R. Dudley 1904-3-7 68 San Mateo Bear Gulch, Santa Cruz Mt. - Santa Cruz Peninsula 152 Comment
  RSA119073  Salix lasiolepis L. S. Rose 1958-3-19 58009 San Mateo Princeton. 6 Comment
  RSA176658  Salix lasiolepis Peter H. Raven 1964-2-16 18742 San Mateo Just south of Lake San Andreas. Comment
  CAS-BOT-BC108255  Salix lasiolepis var. bigelovii Peter H. Raven 1950-4-30 1981 San Mateo Along a stream in the Montara Mts. ca 1/2 mile N. of Montara 91 Comment
  CAS-BOT-BC108256  Salix lasiolepis var. bigelovii Peter H. Raven 1964-9-13 19673 San Mateo San Gregorio Comment
  CDA14167  Salix lasiolepis var. bigelovii G. F. Hrusa, B. Meese 1997-2-17 13621 A San Mateo Ano Nuevo State Park; End of Ano Nuevo Pt. Comment
  CAS-BOT-BC124481  Salix lasiolepis var. lasiolepis Elizabeth McClintock 1965-3-28 s.n. San Mateo Devil's Arroyo Comment
  CAS-BOT-BC124491  Salix lasiolepis var. lasiolepis Walter Knight; Irja Knight 1965-2-28 862 San Mateo Radio Road at Summer Seep, San Bruno Mt. Comment
  CAS-BOT-BC124493  Salix lasiolepis var. lasiolepis W. R. Dudley 1894-3-23 s.n. San Mateo Corte de Madera Creek, Portola Valley Comment
  CAS-BOT-BC126487  Salix sitchensis Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo Colma Canyon Comment
  CAS-BOT-BC126501  Salix sitchensis W. R. Dudley 1904-3-7 69 San Mateo Bear Gulch, Santa Cruz Mts. 213 Comment
  CAS-BOT-BC126514  Salix sitchensis Lewis S. Rose 1964-3-14 64006 San Mateo Princeton 6 Comment
  UC306612  Salix sitchensis A. D. E. Elmer March, 1903 4874 San Mateo Portola Comment
  UCR109653  Salsola soda T. C. Fuller 1968-9-25 17640 San Mateo San Francisco Bay Region, Menlo Park, west end of Dumbarton Bridge 2 Comment
Read comments
May 27 2007
  SJSU6456  Salsola soda H. T. Harvey 1971-7-15 570 San Mateo Faber Tract, E Palo Alto Comment
  RSA15302  Salvia columbariae Carl B. Wolf 1927-4-3 s.n. San Mateo 1 mile above La Honda. Santa Cruz Mountains. Comment
  RSA681669  Salvia sonomensis Annuschka Deb 1989-4-19 114 San Mateo YBN Berm near parking lot Comment
  UC1327249  Salvia spathacea John T. Doyen 1966-3-28 32 San Mateo San Bruno Mountains; near Radio Towers at top Comment
  RSA320910  Salvia spathacea Robert A. Norris 1984-3-21 4658 San Mateo Blue Blossom Hill, San Bruno Mts. 366 Comment
  SBBG32342  Sambucus nigra subsp. caerulea L. S. Rose 1966-8-15 San Mateo Pulgas Water Temple 91 Comment
  CAS-BOT-BC236451  Sambucus racemosa subsp. racemosa Philip Wheeler 1965-5-18 s.n. San Mateo Base of mountain near Olivet Cemetery, San Bruno Mountain Comment
  UCSC005903  Sanicula Randall Morgan 1983-2-15 s.n. San Mateo From large extended population in small ravine between El Corte Madera Creek and Bogess Creek (N of San Gregorio Rd.) Comment
  UCD166148  Sanicula arctopoides Jack Major; M. Forde and S. Bamberg 1962-4-3 733 San Mateo 10 miles south of Ano Nuevo Pt., above Scott Creek. (Exact location unknown. Coordinates estimated by label maker). 115 Comment
  SEINET12121123  Sanicula arctopoides E. McClintock, Knight, W.; Knight, I. 1982-1 4642 San Mateo upper elevations of San Bruno Mountain, especially around parking lot area Comment
  SEINET5570625  Sanicula arctopoides H. S. Gentry 1931-1 35 San Mateo Collected 2 miles W of San Bruno. Comment
  SEINET6205025  Sanicula arctopoides L. S. Rose 1965-1 65012 San Mateo San Bruno Mts, N end. Comment
  RSA40105  Sanicula bipinnatifida L. S. Rose 1948-3-31 48033 San Mateo Skyline Blvd. above San Andreas Lake. 152 Comment
  RSA176825  Sanicula crassicaulis John H. Thomas 1961-5-5 9212 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Along San Francisquito Creek below Searsville Dam. 76 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
  JROH348  Scandix pecten-veneris John H. Thomas 1955-5-6 5011 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA320754  Schedonorus arundinaceus Robert A. Norris 1984-5-9 4729 San Mateo By Olivet Memorial Park Throughway, Colma. Comment
  RSA790260  Schedonorus arundinaceus Peter Rubtzoff 1977-6-21 9060 San Mateo Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction northwest of Fog Forest. Comment
  SEINET11754563  Schoenoplectus pungens E. A. Purer 1933-1 5391 San Mateo 2 mi S of Pigeon Point Comment
  SJSU15221  Schoenoplectus pungens var. longispicatus Toni Corelli 2011-5-23 703 San Mateo Bean Hollow State Beach, Arroyo de los Frijoles Trail. Coastal bluff top south of Bean Hollow Beach 7 Comment
  UC1853  Scirpus cernuus J. Burtt Davy 1893-6-17 San Mateo Belmont Belmont (meadow back of Salt Marsh) Comment
  CDA19091  Scirpus maritimus J. Beall 2001-4-24 PDR 064435 San Mateo Belmont Creek at Old Country Rd., Belmont. 0 Comment
  JROH5856  Scirpus microcarpus John Rawlings, Carol Zabel 2006-6-12 0906 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 12. Section 31B5 106 Comment
  UC1100802  Scirpus pungens Herbert L. Mason 1949-7-7 14025 San Mateo mouth Gazos Creek (near ocean, s San Mateo Co.) Comment
  POM169941  Scoliopus bigelovii C. F. Baker 1902-3-18 322 San Mateo Kings Mountain Comment
  CAS-BOT-BC519003  Scoliopus bigelovii L. R. Abrams 1902-3-16 2283 San Mateo Kings Mountain Comment
  CAS-BOT-BC519022  Scoliopus bigelovii C. F. Baker 1902-3-18 322 San Mateo King's Mountain Comment
  RSA100983  Scoliopus bigelovii G. Oberlander 1949-4-17 87 San Mateo Pilarcitos Canyon, San Francisco Watershed Reserve. Comment
  CDA7622  Scolymus hispanicus T. C. Fuller 1965-7-8 13755 San Mateo D. McBryde property, 140 Eleanor Drive, Woodside. 0 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
  UCSC007779  Scrophularia californica Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  CAS-BOT-BC59052  Sedum spathulifolium Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo San Bruno Mountain, below parking lot on the top of the mountain. Comment
  CAS-BOT-BC59058  Sedum spathulifolium W. R. Dudley 1909-4-27 s.n. San Mateo Pulpit Rock, San Mateo Canyon. Comment
  CAS-BOT-BC327388  Senecio aphanactis Fred Hemphill 1973-4-22 798 San Mateo North of Malabar Road adn Melendy Drive, San Carlos 207 Comment
  JEPS82096  Senecio aronicoides Rimo Bacigalupi with Jim Roof and L. Heckard 1961-4-24 7617 a San Mateo just e KRON television tower (on lateral ridge below and se of end of paved ridge-top, on Guadalupe Valley side of summit of San Bruno Mountain); San Bruno Mountain 304 Comment
  JROH1222  Senecio aronicoides John Hunter Thomas 1986-5-17 24053 San Mateo Jasper Ridge Biological Preserve, Stanford University; creek trail downstream from Rattlesnake Rock Comment
  CAS-BOT-BC363389  Senecio aronicoides Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mountain. South Power Line Ridge Comment
  RSA0012700  Senecio aronicoides C. F. Baker 1903-4-6 1900 San Mateo San Bruno Hills, San Francisco. [San Mateo] Comment
  JROH1225  Senecio vulgaris John H. Thomas 1973-3-12 16497 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC364629  Senecio vulgaris John Thomas Howell 1926-4-24 1927 San Mateo Daly City Comment
  CAS-BOT-BC80296  Sequoia sempervirens W. R. Dudley 1895-10-19 s.n. San Mateo By Summit Spr. Road, King's Mt. Comment
  SBBG52369  Sequoia sempervirens F. C. Boutin 1968-3-25 1839 San Mateo Palo Alto, from the "Palo Alto" near the train bridge over San Francisquito Crk Comment
  UC405205  Sequoia sempervirens unknown 1874-1-1 San Mateo Comment
  CAS-BOT-BC85784  Sequoia sempervirens Atkinson 1901-1-27 s.n. San Mateo Santa Cruz Mountain Peninsula, near Preston's Place, Portola Valley Comment
  SEINET5334860  Sequoia sempervirens R. L. Oliver 1976-4-18 s.n. San Mateo La Honda. San Mateo Memorial Park. Comment
  CDA2436  Setaria parviflora E. L. Labadie 1958-7-8 833 -58 San Mateo Redwood City. 0 Comment
  SJSU10484  Setaria viridis S. H. Casey 1975-6-14 490 San Mateo by residence, SW Redwood City Comment
  JROH3828  Sherardia arvensis John H. Thomas 1956-4-7 5611 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3825  Sherardia arvensis John H. Thomas 1955-5-6 4996 San Mateo Jasper Ridge Biological Preserve, Stanford University. Small draw on south side of ridge. 182 Comment
  SBBG83432  Sherardia arvensis B. Bowman 1961-3-30 30 San Mateo corner of Sebastian Drive and Lassuen Court; Burlingame 9 Comment
  SD114361  Sherardia arvensis Darley F. Howe 1967-4-14 4350 San Mateo 7 miles from San Mateo on road to Half Moon Bay 121 Comment
  SD39293  Sidalcea diploscypha Janet Turner 1933-5-30 3669 San Mateo Woodside. Comment
  RSA8253  Sidalcea diploscypha Elmer I. Applegate 1895-5-11 56 San Mateo Hills above Stanford University. [county not specified] Comment
Read comments
Dec 13 2015
  UCD116803  Sidalcea malviflora Gerald W. Sodomka 1963-5-5 36 San Mateo Moss Beach. 30 Comment
  CAS-BOT-BC205603  Sidalcea malviflora Dean Wm. Taylor 1988-3-30 9468 San Mateo Santa Cruz Mountains. San Bruno Mountain, northern slope of southeast ridge of the mountain, near the ridgecrest. Right-of-way of eastern-most set of PGandE high-voltage powerlines crossing the mountain 237 Comment
  SD39303  Sidalcea malviflora Marie Cummings 1933-5-8 3733 San Mateo Woodside Road Comment
  SD67293  Sidalcea malviflora subsp. malviflora Darley F. Howe 1967-4-13 4343 San Mateo Pebble Beach Comment
  CHSC22898  Sidalcea malviflora subsp. rostrata Robert A. Schlising 1963-2-23 2434 San Mateo California Coast Ranges. 21 miles north of Davenport, along highway 1. Comment
  POM151595  Silene californica A. D. E. Elmer 1903-06 4446 San Mateo Crystal Springs Lake. Comment
  RSA18377  Silene californica C. B. Wolf 1927-7-1 531 San Mateo Above Emerald Lake, back of Redwood City. Comment
  CAS-BOT-BC389901  Silene scouleri subsp. scouleri Walter Knight; Irja Knight 1963-7-14 s.n. San Mateo San Bruno Mountain. Above the quarry Comment
  JROH1233  Silybum marianum John H. Thomas 1973-3-12 16493 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC74988  Sinapis arvensis Fred Hemphill 1973-4-8 631 San Mateo San Carlos. North of Malabar Road and Melendy Drive. 207 Comment
  CAS-BOT-BC75349  Sisymbrium officinale John H. Thomas 1969-4-24 14918 San Mateo Near Canada College, Redwood City, near Farm Hill Drive. Comment
  CDA3853  Sisymbrium officinale W. Plummer 1971-7-9 San Mateo Dick Bulles property, Alpine Creek, Pescadero . 0 Comment
  CAS-BOT-BC75378  Sisymbrium orientale Walter Knight; Irja Knight 1965-4-11 s.n. San Mateo San Bruno Mountains. Guadalupe Road about 0.5 mile from Radio Road. Comment
  CAS-BOT-BC75379  Sisymbrium orientale Walter Knight; Irja Knight 1965-4-11 s.n. San Mateo San Bruno Mountains. Guadalupe Road about 0.5 mile from Radio Road. Comment
  UC845034  Sisyrinchium bellum Alice Eastwood 1915-6-13 4716 San Mateo Granada Comment
  UCD138874  Sisyrinchium bellum R. E. Dengler 1960-4-12 24 San Mateo on northeast side of ravine, Jasper Ridge, Stanford Biological Reserve. 129 Comment
  IRVC9074  Smilacina stellata var. sessilifolia P. W. Rundel 1962-4-12 1017 B San Mateo 1 mile East of Skyline Hwy on La Honda Rd. Comment
  UCR122985  Solanum douglasii George K. Helmkamp, E. A. Helmkamp 2001-6-2 6782 San Mateo San Francisco Bay Region, Purisima Creek Road, east of Half Moon Bay at Purisima Creek, 3.2 miles east of CA Hwy 1 244 Comment
  UCD126930  Solanum douglasii E. Jacqueline Garcia 1986-4-19 s.n. San Mateo San Bruno Mountains near San Francisco County Line, 0.5 mile from Summit Loop trailhead on Guadalupe Canyon Road. Comment
  CAS-BOT-BC157631  Solanum umbelliferum B. 1902-1-15 234 San Mateo West side King's Mt. Comment
  JROH4189  Solanum umbelliferum John H. Thomas 1968-3-17 14192 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC139876  Solanum umbelliferum C. F. Baker 1902-1-15 234 San Mateo w side of King's Mountain King's Mountain Comment
  CAS-BOT-BC157038  Solanum umbelliferum P. Arnaud 1941-3-16 s.n. San Mateo Redwood City - Whipple Road 30 Comment
  NY820584  Solanum umbelliferum P. H. Raven 1950-4-16 1797 San Mateo San Bruno Mts. 244 Comment
  RSA130953  Solanum umbelliferum W. R. Dudley 1896-2-16 s.n. San Mateo Near Peters Cr. Santa Cruz Mts. Comment
  UC1537406  Solanum umbelliferum Gordon H. True Jr. 1936-4-5 385 San Mateo between San Gregorio Pescadero (near coast) 30 Comment
  CAS-BOT-BC365749  Solidago spathulata John H. Thomas 1961-5-12 9331 San Mateo San Bruno Mountain in northern part of county 396 Comment
  JEPS6048  Solidago spathulata V. F. Hesse 1954-7-30 1341 San Mateo near Pebble Beach 15 Comment
  JROH1244  Soliva sessilis John Hunter Thomas 1978-5-12 19202 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA320914  Soliva sessilis Robert A. Norris 1984-3-21 4651 San Mateo Along trail in saddle between Parking Area (and summit) and Blue Blossom Hill, San Bruno Mtns. 305 Comment
  CAS-BOT-BC374490  Sonchus asper Elizabeth McClintock; Carlyn Halde; Walter Knight; Walter Knight 1963-6-23 s.n. San Mateo San Bruno Mountain. Lower part of Colma Canyon Comment
  CAS-BOT-BC374495  Sonchus asper Ned Cahill 1974-4-30 227 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC374496  Sonchus asper Le Roy Abrams 1901-3-16 1144 San Mateo Woodside - Menlo Park Comment
  CAS-BOT-BC374699  Sonchus oleraceus John H. Thomas 1965-4-29 10602 San Mateo San Bruno Mountain in northern part of county 396 Comment
  RSA176778  Sonchus oleraceus John H. Thomas 1963-5-20 10112 San Mateo Ano Nuevo Island, 1/2 mile off shore and about 20 miles NW of Santa Cruz. Comment
  UCSB17217  Sonchus oleraceus Schulte, John 1963-4-26 San Mateo Jasper Ridge, 3 miles southwest of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  CAS-BOT-BC235287  Sorghum bicolor J. H. Thomas 1959-11-19 8513 San Mateo Near Bayshore and University Avenue. East Palo Alto Comment
  RSA177000  Sparganium erectum subsp. stoloniferum John H. Thomas 1964-6-3 10412 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  RSA17933  Sparganium erectum subsp. stoloniferum Carl B. Wolf, Le Roy Abrams 1927-6-10 s.n. San Mateo Searsville Lake. Comment
  CAS-BOT-BC236628  Spartina foliosa David D. Keck 1931-9-27 1270 San Mateo Dumbarton Bridge Comment
  CAS-BOT-BC390008  Spergula arvensis John H. Thomas 1964-4-30 10348 San Mateo San Bruno Mountain in northern part of county 396 Comment
  UCSC003832  Spergula arvensis Unknown unknown s.n. San Mateo Half Moon Bay, 2 miles inland. Half Moon Bay Comment
  CAS-BOT-BC390012  Spergula arvensis Elizabeth McClintock 1965-3-28 s.n. San Mateo San Bruno Mountain. April Brook Comment
  CAS-BOT-BC390203  Spergularia bocconi G. B. Rossbach; R. P. Rossbach 1939-5-12 726 San Mateo San Pedro Point Comment
  CAS-BOT-BC390454  Spergularia macrotheca var. macrotheca J. H. Thomas 1954-5-28 4244 San Mateo Guadalupe Valley, about 2 miles south of San Francisco - San Mateo County line 30 Comment
  CAS-BOT-BC390460  Spergularia macrotheca var. macrotheca Ira L. Wiggins; Roxana S. Ferris 1939-8-2 9290 A San Mateo Ano [Ano] Nuevo Point Comment
  CAS-BOT-BC390473  Spergularia macrotheca var. macrotheca G. B. Rossbach; R. P. Rossbach 1937-11-25 610 San Mateo 3 mi. south of Half Moon Bay Comment
  UCD169489  Spergularia marina Peter H. Raven 1950-5-7 2039 San Mateo Moss Beach. 24 Comment
  CAS-BOT-BC390704  Spergularia rubra Javier Penalosa 1963-3-30 2752 San Mateo San Bruno Mountain. Crest of ridge SW of Brisbane, 750 ft NW of power lines 304 Comment
  RSA446593  Stachys ajugoides E. A. Purer 1933-7-27 5338 San Mateo 2 miles south of Pigeon Point. Comment
  RSA446594  Stachys ajugoides E. A. Purer 1933-8-13 5425 San Mateo Santa Clara Valley, near Belmont. Comment
  SEINET13947989 Image available Stachys ajugoides Lewis S. Rose 1941-1 41469 San Mateo Low wet open fields, Belmont. Alt ca 3 m 3 Comment
  SD38742  Stachys ajugoides var. ajugoides Edith A. Purer 1933-8-13 5425 San Mateo Santa Clara Valley, near Belmont. Comment
  UCLA70851  Stachys ajugoides var. rigida A. A. Heller 1907-5-28 San Mateo above Crystal Springs (Half Moon Bay road) Comment
  JROH2899  Stachys bullata John H. Thomas 1971-5-30 15977 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  POM284551  Stachys bullata Lyman Benson 1930-5-26 2136 San Mateo Stanford University. Lake Searsville. 152 Comment
  POM63312  Stachys bullata A. D. E. Elmer 1903-06 4417 San Mateo San Mateo Comment
  RSA116738  Stachys bullata W. R. Dudley 1894-7-7 s.n. San Mateo Bear Gulch Road. The Santa Cruz Mtn Peninsula. Comment
  RSA505403  Stachys bullata Gordon H. True Jr. 1936-6-14 503 San Mateo Near coast, in canyon south of Salada Beach. 152 Comment
  RSA131278  Stachys chamissonis Roxana S. Ferris 1921-5-29 2180 San Mateo Lagoon head of New Years Pt. Comment
  UCR279846  Stachys rigida subsp. quercetorum Peter Rubtzoff 1975-10-11 8425 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
  RSA785892  Stachys rigida subsp. quercetorum Peter Rubtzoff 1977-6-21 9063 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. East Fork Colma Creek Canyon, near upper rim. Comment
  SEINET10499276 Image available Stachys rigida subsp. quercetorum A. Arthur Heller 1907-5-28 Heller 8577 San Mateo Above Crystal Springs on the Half Moon Bay road Comment
  JROH5848  Stachys rigida var. quercetorum Marcel Reeves 1954-4-23 49 San Mateo Jasper Ridge Biological Preserve, Stanford University; above Searsville Lake 167 Comment
  CAS-BOT-BC374795  Stebbinsoseris heterocarpa K. L. Chambers 1952-5-20 414 San Mateo Ladera housing project, adjacent to Alpine Road, ca. 2 mi. s.w. of Stanford Univ. Comment
  CAS-BOT-BC374796  Stebbinsoseris heterocarpa K. L. Chambers 1952-5-24 417 San Mateo 1.7 mi. towards Woodside from Skyline junction of Woodside-La Honda road, (1.7 mi. e. of Skyline Blvd.). [Locality info from collection label and voucher label combined.] Comment
  JEPS51122  Stellaria media W. L. Jepson 1920-3-14 8427 San Mateo Burlingame Comment
  JROH1778  Stellaria media John H. Thomas 1967-3-13 12411 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1784  Stellaria media John Hunter Thomas 1981-4-5 20289 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek Comment
  JROH1792  Stellaria nitens Toni Corelli 2006-3-22 309 San Mateo Jasper Ridge Biological Preserve, Stanford University; along Trail 5, lost serpentine trail 121 Comment
  CAS-BOT-BC375909  Stephanomeria virgata L. R. Abrams 1902-9-28 3002 San Mateo Sta [Santa] Cruz Mts Comment
  CAS-BOT-BC375910  Stephanomeria virgata Josephine D. Randall 1907-11-9 s.n. San Mateo Santa Cruz Peninsula. Alpine Road to Black Mt. Comment
  JROH5327  Stipa lepida W. Lennihan 1989-4-6 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 9, halfway from lake to top. Comment
  JROH5334  Stipa pulchra John H. Thomas 1964-4-12 10311 San Mateo Jasper Ridge Biological Preserve, Stanford University. On slope to the east of the dam. Comment
  OBI22283  Stipa pulchra Lewis S. Rose 1963-4-27 63000 San Mateo Skyline Blvd, W of San Mateo 91 Comment
  CAS-BOT-BC423011  Stylomecon heterophylla W. R. Dudley 1905-5-13 s.n. San Mateo Santa Cruz Mountain Peninsula. S.W. of San Mateo Comment
  CAS-BOT-BC271604  Symphoricarpos albus var. laevigatus Walter Knight; Irja Knight 1964-5-30 594 San Mateo Colma Canyon, San Bruno Mountain Comment
  JROH1682  Symphoricarpos albus var. laevigatus John Hunter Thomas 1978-7-2 19248 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA14209  Symphoricarpos albus var. laevigatus C. B. Wolf 1926-10-19 193 San Mateo Roadside slope, west of La Honda. Comment
  CAS-BOT-BC237059  Symphoricarpos mollis Ned Cahill 1974-5-13 254 San Mateo Near the intersection of Canada and Edgewood Roads, about 3 mi. westward from REdwood City Comment
  CAS-BOT-BC237061  Symphoricarpos mollis Eric Walther 1919-7-4 s.n. San Mateo Woodside Comment
  CAS-BOT-BC237063  Symphoricarpos mollis W. R. Dudley 1893-5-27 s.n. San Mateo Kings Mt., Santa Cruz Range, Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC99052  Symphyotrichum chilense Lewis S. Rose 1933-10-14 33381 San Mateo Visitacion Valley Comment
  UC1119618  Symphyotrichum chilense A. Wright 1928-9-11 San Mateo s of Chinese Cemetary; San Mateo Quad. 548 Comment
  UC912474  Symphyotrichum chilense Herbert L. Mason 1927-10-4 4130 San Mateo Mouth of Waddell Creek, Ano Nuevo Pt. Ano Nuevo Pt., Waddell Creek Comment
  UCD136532  Symphyotrichum chilense Lewis S. Rose 1966-8-15 66083 San Mateo Pillar Point. 1 Comment
  CAS-BOT-BC99058  Symphyotrichum chilense David D. Keck 1930-10-15 989 San Mateo South-west of Woodside 457 Comment
  CAS-BOT-BC99059  Symphyotrichum chilense Walter Knight; Irja Knight 1963-10-7 321 San Mateo San Bruno Mountain - Cow Trough Ravine, South San Francisco Comment
  CAS-BOT-BC99083  Symphyotrichum chilense Le Roy Abrams 1900-10-1 1042 San Mateo Portola Comment
  CAS-BOT-BC99084  Symphyotrichum chilense W. R. Dudley 1895-9-21 s.n. San Mateo Menlo Park - Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC99085  Symphyotrichum chilense W. R. Dudley 1899-12-2 s.n. San Mateo Near the coast between Pebble Beach and White House Creek - Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC99386  Symphyotrichum subspicatum Elizabeth McClintock; Paul Reeberg 1989-8-31 s.n. San Mateo Willow Pond, San Bruno Mountains Comment
  JROH5940  Taraxacum officinale John Rawlings 1917-2-22 1958 San Mateo Jasper Ridge Biological Preserve, Stanford University; in and along Trail 20 85 Comment
  CHSC1159  Taraxia ovata M. Harless 1930-5-2 San Mateo Moss Beach. Comment
  POM132670  Tauschia kelloggii A. D. E. Elmer 1903-04 4928 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC447479  Tellima grandiflora Margaret A. Barry 1938-5-29 261 San Mateo Corte Madera Creek near Coal Mine Ridge Comment
  UC1127673  Tellima grandiflora H. S. Yates 1935-5-8 5213 San Mateo 1.5 mi s Mindego Hill; Santa Cruz Quad. 335 Comment
  UCR121562  Tellima grandiflora George K. Helmkamp, E. A. Helmkamp 1999-6-28 4971 San Mateo Pescadero Creek Watershed, Pescadero Road just north of Loma Mar 107 Comment
  CAS-BOT-BC389698  Tellima grandiflora Mary K. Wicksten 1972-7-5 118 San Mateo Huddart Park Comment
  RSA127726  Tetragonia tetragonoides John H. Thomas 1959-7-8 8015 San Mateo Low moist coastal bluffs at Pescadero Beach. Comment
  CAS-BOT-BC438269  Tetragonia tetragonoides Robert Robertson 1954-4-14 74 San Mateo N.W. of Palo Alto Yacht Club. 3 Comment
  RSA176540  Tetragonia tetragonoides John H. Thomas 1963-8-4 10239 San Mateo Just north of Pigeon Point Lighthouse 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
  JROH3508  Thalictrum fendleri var. polycarpum John H. Thomas 1961-4-29 9196 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC727238  Thalictrum fendleri var. polycarpum W. R. Dudley 1904-4-10 San Mateo Alpine Rd Santa Cruz Mountain Peninsula, Black Mt. Comment
  CAS-BOT-BC66676  Thysanocarpus curvipes Margaret A. Barry 1937-4-21 18 San Mateo On Coal Mine Ridge. Comment
  JROH1598  Thysanocarpus curvipes John Hunter Thomas 1982-4-28 20870 San Mateo Jasper Ridge Biological Preserve, Stanford University 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
  JROH1595  Thysanocarpus curvipes subsp. elegans John Hunter Thomas 1981-4-21 20455 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC447582  Tiarella trifoliata var. unifoliata W. R. Dudley 1905-6-18 s.n. San Mateo Santa Cruz Mountain Peninsula: Iverson's Old Place Pescadero Creek Comment
  JROH396  Torilis nodosa John Hunter Thomas 1986-5-15 24045 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC81497  Torreya californica William R. Dudley 1894-4-24 s.n. San Mateo near La Honda, Santa Cruz Mts. Comment
  JROH186  Toxicodendron diversilobum John H. Thomas 1974-10-26 17625 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA386599  Toxicodendron diversilobum Glenn A. Gorelick 1967-4-15 s.n. San Mateo San Bruno Mountains, overlooking Daly City near San Francisco. Comment
  UCSB17162  Toxicodendron diversilobum Schulte, John 1963-4-23 San Mateo Jasper Ridge, 3 miles southwest of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 137 Comment
  UCR253355  Tragopogon porrifolius A. C. Sanders 2014-8-3 41235 San Mateo San Francisco Bay, South San Francisco, San Francisco Bay Trail in vicinity of S Airport Drive, Utah Ave., and Haskins Way, between Hwy 101 and San Francisco Bay 6 Comment
  RSA681673  Trichostema lanatum Deb Annuschka 1990-11-16 388 San Mateo Yerba Buena Herbarium. Comment
  JROH3389  Trientalis latifolia John H. Thomas 1961-5-5 9215 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below Searsville Dam 76 Comment
  UC1537517  Trientalis latifolia Gordon H. True Jr. 1936-4-5 394 San Mateo Between San Gregorio and Pescadero 45 Comment
  RSA116715  Trientalis latifolia W. R. Dudley 1895-6-8 s.n. San Mateo Santa Cruz Peninsula, in redwoods near Pescadero creek Comment
  JROH2226  Trifolium albopurpureum John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC631539  Trifolium albopurpureum var. albopurpureum A. A. Heller 1907-5-23 8554 San Mateo back of San Mateo (on Half Moon Bay Rd) Comment
  JEPS65852  Trifolium albopurpureum var. dichotomum J. Burtt Davy 1895-4-20 1068 San Mateo Crystal Springs Lake Comment
  JROH2239  Trifolium barbigerum John H. Thomas 1973-4-14 16566 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC903223  Trifolium barbigerum Ethel Crum 1934-4-29 1698 San Mateo s Pescadero (near ocean) Comment
  POM349486  Trifolium bifidum D. D. Keck 1932-6-1 1789 San Mateo Above Woodside on the La Honda road, east slope of the Santa Cruz Mountains 305 Comment
  RSA14963  Trifolium bifidum var. decipiens L. S. Rose 1935-5-1 35134 San Mateo Redwood City Comment
  UCSC005498  Trifolium bifidum var. decipiens Randall Morgan 1995-6-22 2795 San Mateo Ridge west of Waterman Creek Comment
  POM277948  Trifolium ciliolatum Lyman D. Benson 1930-5-3 2112 San Mateo Above Woodside, Mt. Range: Santa Cruz 366 Comment
  RSA131348  Trifolium depauperatum var. amplectens John H. Thomas 1955-5-6 4990 San Mateo Jasper Ridge about 3.5 miles southwest of Stanford University. 152 Comment
  JROH2274  Trifolium depauperatum var. truncatum John Hunter Thomas 1982-4-18 20871 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU15229  Trifolium fragiferum Toni Corelli 2012-7-12 805 San Mateo Wavecrest, west of Highway 1 in Half Moon Bay 22 Comment
  JROH2281  Trifolium fucatum Marie Tifft 1952-5-10 42 San Mateo Jasper Ridge Biological Preserve, Stanford University; above Searsville Lake Comment
  JROH2282  Trifolium fucatum Robert Robertson 1954-4-23 100 San Mateo Jasper Ridge Biological Preserve, Stanford University 170 Comment
  JROH2285  Trifolium fucatum John H. Thomas 1957-4-16 6653 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent slopes Comment
  JROH2288  Trifolium fucatum John H. Thomas 1964-4-19 10321 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC16515  Trifolium fucatum J. Burtt Davy 1893-6-17 769 San Mateo Belmont Comment
  JROH2307  Trifolium fucatum John Hunter Thomas 1990-4-14 24807 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA40291  Trifolium fucatum var. fucatum L. S. Rose 1948-5-9 48109 San Mateo West of Burlingame. 122 Comment
  JROH2312  Trifolium glomeratum Ann Lambrecht 2006-4-21 23 San Mateo Jasper Ridge Biological Preserve, Stanford University; roadside, N side of Road A, in old seven acre lease lot Comment
  RSA120974  Trifolium grayi W. R. Dudley 1896-4-17 s.n. San Mateo Pebble Beach Pasture. Pescadero. Comment
  SBBG33319  Trifolium macraei A. D. E. Elmer -May-1903 4812 San Mateo San Pedro [Point?]; ISOTYPE of T. bicephalum Comment
  RSA120982  Trifolium macraei W. R. Dudley s.n. San Mateo Near Colma Comment
  CDA27997  Trifolium microcephalum T. C. Fuller 1967-6-13 15940 San Mateo Half Moon Bay Harbor, north edge of the town of Half Moon Bay. 0 Comment
  RSA46809  Trifolium microcephalum Doris K. Kildale 1930-6-19 8009 San Mateo 1.5 miles north of La Honda. Comment
  POM20503  Trifolium microdon A. D. E. Elmer 1903-06 4628 San Mateo Portola. Comment
  JROH2341  Trifolium oliganthum John Hunter Thomas 1984-4-24 23309 San Mateo Jasper Ridge Biological Preserve, Stanford University; end of causeway area where earth has been removed Comment
  JROH2360  Trifolium subterraneum John Hunter Thomas 1987-5-7 24264 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2376  Trifolium variegatum John H. Thomas 1957-4-16 6650 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  OBI75561  Trifolium variegatum Lewis S. Rose 1937-5-2 37251 San Mateo Burlingame 91 Comment
  JROH2396  Trifolium willdenovii John H. Thomas 1967-4-28 12720 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2410  Trifolium willdenovii John Hunter Thomas 1986-4-10 23954 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JEPS66103  Trifolium wormskioldii William S. Cooper 1919-7-22 205 San Mateo Ano Nuevo Pt Comment
  CAS-BOT-BC401045  Trillium J. Lovelle 1926-8-1 39 San Mateo Mt. Ellen Trail Comment
  SJSU15758  Trillium albidum Toni Corelli 2009-3-10 425 San Mateo Gazos Creek Road, San Mateo Coast 18 Comment
  JROH4722  Trillium chloropetalum John H. Thomas 1964-4-19 10330 San Mateo Jasper Ridge Biological Preserve, Stanford University. Area below dam in among redwoods near creek Comment
  JROH4733  Trillium chloropetalum John Hunter Thomas 1981-2-14 20225 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam area, redwood area Comment
  UC74959  Trillium chloropetalum C. F. Baker 1902-3-30 431 San Mateo Crystal Springs Lake Comment
  UC844442  Trillium chloropetalum Lewis S. Rose 1937-3-14 37001 San Mateo Emerald Lake 198 Comment
  RSA116750  Trillium chloropetalum var. chloropetalum James I. McMurphy 1902-3-22 s.n. San Mateo Above Portola. Comment
  CAS-BOT-BC521005  Trillium chloropetalum var. chloropetalum Ned Cahill 1974-5-13 247 San Mateo Chaparrel near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC521006  Trillium chloropetalum var. chloropetalum Janet Jones 1981-1-17 s. n. San Mateo On south side of Montara Mountain, Montara Comment
  RSA15264  Trillium chloropetalum var. chloropetalum Carl B. Wolf 1927-2-27 228 San Mateo Near Pescadero, 1/2 mile inland. Comment
  CAS-BOT-BC521064  Trillium chloropetalum var. giganteum Alice Eastwood 1916-3-1 s.n. San Mateo San Mateo Comment
  CAS-BOT-BC133428  Trillium ovatum W. R. Dudley 1896-3-26 s.n. San Mateo Purisima Creek above King's Comment
  CAS-BOT-BC133434  Trillium ovatum L. Smith 1960-4-7 72 San Mateo Huddart State Park, off Highway 5, 50 yards from Pack entrance Comment
  SBBG51419  Trillium ovatum J. Doty 1969-3-26 601 San Mateo St Hwy 34, 6 mi N of its jct with St Hwy 38 Comment
  SEINET12044499  Trillium ovatum P. R. Hichborn 1920-1 115 San Mateo Sierra Moreva Ridge Comment
  CAS-BOT-BC238567  Triphysaria floribunda George Oberlander 1951-3-30 1182 San Mateo San Francisco Watershed Reserve Comment
  CAS-BOT-BC238572  Triphysaria floribunda C. F. B. 1902-3-22 346 San Mateo South San Francisco 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
  JEPS3988  Triphysaria pusilla Dr. L. M. Newlon 1919-4-14 4 San Mateo Moss Beach 22 Comment
  JROH4132  Triphysaria pusilla John H. Thomas 1956-4-7 5608 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent slopes Comment
  JEPS10445  Triphysaria versicolor subsp. versicolor Adele Lewis Grant 1917-5-6 934 San Mateo Pebble Beach 3 Comment
  JEPS4534  Triphysaria versicolor subsp. versicolor Maude Farley 1951-5-20 San Mateo near Pigeon Point; near Pigeon Point Comment
  JEPS6923  Triphysaria versicolor subsp. versicolor Rimo Bacigalupi with G. Thomas Robbins 1954-6-18 4562 San Mateo immediately behind Point Ano Nuevo; behind Point Ano Nuevo Comment
  SBBG40480  Triphysaria versicolor subsp. versicolor W. J. Dress 1951-5-12 San Mateo 4.5 mi N of Pigeon Point Comment
  UCD93599  Trisetum canescens P. B. Kennedy 1916-4-1 s.n. San Mateo Daly City, Colma Canyon, S San Francisco. Comment
  CAS-BOT-BC521593  Triteleia hyacinthina J. I. McMurphy 1906-5-8 s.n. San Mateo Road from Woodside to Crystal Springs Comment
  SD39086  Triteleia hyacinthina Marie Cummings 1933-5-10 96 San Mateo Portola Road. Comment
  CAS-BOT-BC526102  Triteleia ixioides subsp. ixioides Josephine D. Randall 1907-6-8 233 San Mateo Santa Cruz Peninsula, Portola Valley Comment
  HSC23983  Triteleia ixioides subsp. ixioides Mary Katherine Wicksten 1971-6-17 4 San Mateo Huddart Park, grassy hill above Oak Area Comment
  SEINET10833773  Triteleia ixioides subsp. ixioides Ernest A. McGregor McGregor s.n. 1907 San Mateo Plants of the Santa Cruz Mountain Peninsula. Portola Valley. Comment
  JROH4744  Triteleia laxa John H. Thomas 1963-5-12 10080 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1133973  Triteleia laxa W. W. Akey 1935-5-25 26 San Mateo near Bolsa Point; Santa Cruz quad 30 Comment
  CAS-BOT-BC200486  Triticum aestivum Walter Knight; Irja Knight 1965-4-24 1037 San Mateo Point San Bruno Comment
  JROH1626  Tropidocarpum gracile John H. Thomas 1977-4-18 18532 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5534  Typha angustifolia John H. Thomas 1973-6-15 16852 San Mateo Jasper Ridge Biological Preserve, Stanford University. By dam in Searsville Lake. Comment
  POM204316  Typha angustifolia I. L. Wiggins 1929-7-4 3803 San Mateo Marsh near Pescadero Beach. Comment
  POM349815  Ulex europaeus Glenn A. Gorelick 1967-4-20 s.n. San Mateo Overlooking Daly City, near San Francisco. Comment
  RSA563837  Ulex europaeus Don Pendleton 1993-10-28 s.n. San Mateo San Bruno Mountain State/County Park, 0.3 mi. E. of the park gate/parking lot on Guadalupe Canyon Park. 300 Comment
  JROH138  Umbellularia californica John H. Thomas 1968-2-11 14143 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM50398  Umbellularia californica L. R. Abrams, W. W. Eggleston 1924-3-23 19565 San Mateo Coast Range, near Palo Alto. 60 Comment
  CAS-BOT-BC382764  Uropappus lindleyi Lewis S. Rose 1933-4-30 33127 San Mateo Redwood City Comment
  UC36687  Uropappus lindleyi Alice Eastwood Apr 1896 San Mateo Crystal Springs Comment
  UCD111539  Urtica dioica subsp. gracilis G. K. Helmkamp; E. A. Helmkamp 2001-6-2 6780 San Mateo Central CA coast: Purissima Crk Road, E of Half Moon Bay at Purissima Crk, 3.2 miles E of CA-1. 243 Comment
  CAS-BOT-BC403970  Urtica dioica subsp. gracilis Dennis W. Woodland 1970-8-14 1624 San Mateo At Stage Road and Seaside School Road on NE corner Comment
  CAS-BOT-BC404025  Urtica dioica subsp. holosericea Le Roy Abrams 1901-9-1 2218 San Mateo Menlo Park Comment
  CAS-BOT-BC404026  Urtica dioica subsp. holosericea Saichi Kawahara 1968-7-29 463 San Mateo Side road off Old Stage Road at south bank of Pomponio Creek 36 Comment
  CAS-BOT-BC199349  Vaccinium ovatum W. R. Dudley 1900-3-16 s.n. San Mateo By stage road from King's Mt. to Spanish town Comment
  CAS-BOT-BC199359  Vaccinium ovatum L. R. A. 1902-3-16 2281 San Mateo King's [Kings] Mountain Comment
  CAS-BOT-BC199361  Vaccinium ovatum John H. Thomas 1961-5-7 9298 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC199363  Vaccinium ovatum W. R. Dudley 1898-3-5 s.n. San Mateo Kings Mountain Comment
  POM131827  Vaccinium ovatum Edward L. Greene 1902-1-15 242 San Mateo West side King's Mountain. Comment
  RSA174014  Vaccinium ovatum R. F. Thorne, Percy C. Everett, K. Thorne 1963-6-9 32222 San Mateo On Kamchatka Point near TV tower on San Bruno Mountain. 335 Comment
  RSA681682  Vaccinium ovatum Annuschka Deb 1989-6-13 254 San Mateo Woodside. Comment
  UC141803  Vaccinium ovatum C. F. Baker 1902-1-15 242 San Mateo w side Kings Mountain Comment
  CAS-BOT-BC199375  Vaccinium ovatum W. R. Dudley 1902-5-17 s.n. San Mateo King's [Kings] Mountain Ranch, King's [Kings] Mountain Comment
  CAS-BOT-BC199463  Vaccinium parvifolium L. R. Abrams 1909-8-1 4247 San Mateo Between La Honda & Pescadero Comment
  CAS-BOT-BC199470  Vaccinium parvifolium H. L. Mason 1921-1-1 s.n. San Mateo Pescadero Creek Comment
  RSA112361  Vaccinium parvifolium W. R. Dudley 1895-9-15 s.n. San Mateo El Corte de Madera, west side., Santa Cruz Range. Comment
  SBBG33515  Vancouveria planipetala A. D. E. Elmer -May-1903 4922 San Mateo Iverson's Place, Pescadero Crk Comment
  JROH4147  Verbascum thapsus John Hunter Thomas 1981-9-24 20746 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD38891  Verbena lasiostachys Cummings, Mc Callum 1933-5-24 3726 San Mateo Open Hills in Spring Valley Comment
  JROH4258  Verbena lasiostachys var. lasiostachys John H. Thomas 1971-5-30 15975 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4271  Verbena lasiostachys var. lasiostachys John Hunter Thomas 1991-6-9 25069 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4275  Verbena lasiostachys var. scabrida John H. Thomas 1973-6-15 16834 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4278  Verbena lasiostachys var. scabrida John Hunter Thomas 1981-9-24 20742 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC615560  Verbena lasiostachys var. scabrida Beryl O. Schreiber 1932-5-29 307 San Mateo Crystal Springs Comment
  RSA14507  Veronica americana I. L. Wiggins 1935-8-24 8162 San Mateo Marshy creek entering bay at Moss Beach. Comment
  POM283784  Veronica peregrina var. xalapensis Lyman D. Benson 1930-5-21 2143 San Mateo Lake Searsville. 152 Comment
  CDA6415  Veronica persica Wm. Davis 1958-1-13 20 -58 San Mateo Half Moon Bay. 0 Comment
  RSA100980  Vicia americana var. americana G. Oberlander 1949-4-30 122 San Mateo Cahill Ridge, San Francisco Watershed Reserve. Comment
  SD2652  Vicia americana var. truncata Unknown Jun 1925 San Mateo Near La Honda Comment
  RSA788949  Vicia angustifolia Peter Rubtzoff 1977-6-21 9062 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
  UC1130191  Vicia benghalensis N. K. Carlson 1935-6-28 98 A San Mateo 1 mi w Pigeon Pt.; Santa Cruz Quad. 91 Comment
  RSA254231  Vicia dasycarpa Robert A. Norris 1975-3-31 2290 San Mateo Near Crocker Avenue, San Bruno Mountains. Comment
  POM16863  Vicia exigua C. F. Baker 1902-5-4 741 San Mateo Woodside. 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
  JROH2436  Vicia sativa subsp. nigra John Hunter Thomas 1981-4-5 20267 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2440  Vicia sativa subsp. nigra John Hunter Thomas 1991-4-25 24996 San Mateo Jasper Ridge Biological Preserve, Stanford University; Rattlesnake Rocks Comment
  SJSU1012  Vicia sativa subsp. nigra J. E. Hagerty 1950-5-16 San Mateo Stanford Village Comment
  UCD108942  Vicia sativa subsp. sativa Malcolm A. Nobs; S. Galen Smith 1949-8-25 1547 San Mateo Sharp Park. Comment
  CAS-BOT-BC264041  Viola adunca Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mountain. Cable Ravine, on left ridge Comment
  CAS-BOT-BC264051  Viola adunca Roxana S. Ferris 1920-3-8 1767 San Mateo Montara Mountains, vicinity of South Peak 518 Comment
  CAS-BOT-BC264033  Viola adunca W. R. Dudley 1900-3-17 s.n. San Mateo S of Montara Mountains Comment
  SJSU15211  Viola adunca subsp. adunca Toni Corelli 2010-1-5 600 San Mateo Bean Hollow State Beach, Arroyo de los Frijoles Trail 11 Comment
  SJSU2304  Viola adunca subsp. adunca C. W. Sharsmith 1950-4-16 6633 San Mateo near Pescadero Point near Pescadero Comment
  POM135220  Viola glabella C. F. Baker 1902-3-18 332 San Mateo King's Mountain Comment
  RSA130984  Viola glabella M. N. paulson 1915-4-10 s.n. San Mateo Kings Mountain. Comment
  CAS-BOT-BC536826  Viola glabella Josephine D. Randall 1908-3-28 s.n. San Mateo Santa Cruz Peninsula: Kings Mt. Comment
  SD27771  Viola glabella Carl B. Wolf 1927-4-3 244 San Mateo 1 mi. above La Honda, near stream 244 Comment
  JROH4284  Viola ocellata W. R. Dudley 1893-4-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM128420  Viola ocellata L. R. Abrams 1902-3-16 2276 San Mateo Kings Mountain. Comment
  POM286591  Viola ocellata Lyman D. Benson 1931-2-28 2617 San Mateo Town: Woodside; Mt. Range: Santa Cruz; River: San Francisquito Cr. 183 Comment
  RSA181578  Viola ocellata E. A. McGregor 1908-3-28 s.n. San Mateo Kings Mt. Comment
  SD38904  Viola ocellata Edith A. Purer 1933-4-25 3645 San Mateo King's Mountain Road Comment
  UCR64473  Viola ocellata David D. Keck 1932-6-1 1495 San Mateo Coast Range; Santa Cruz Mtns, above Woodside on La Honda road 366 Comment
  RSA184886  Viola pedunculata L. S. Rose 1965-3-25 65009 San Mateo San Bruno Mountains, north end. 122 Comment
  UC74937  Viola pedunculata C. F. Baker 1902-3-22 347 San Mateo South San Francisco Comment
  OBI78517  Viola pedunculata Lewis S. Rose 1965-3-25 65009 San Mateo San Bruno Mts N end 122 Comment
  SBBG32255  Viola pedunculata L. S. Rose 1968-3-26 68010 San Mateo S base of San Bruno Mtn; South San Francisco 30 Comment
  SBBG34009  Viola pedunculata L. S. Rose 1968-3-26 68010 San Mateo S base of San Bruno Mtn; South San Francisco 30 Comment
  RSA10997  Viola sempervirens Carl B. Wolf 1928-3-14 1534 San Mateo La Honda Grade, Santa Cruz Mountains. Comment
  CAS-BOT-BC199848  Vulpia bromoides W. R. Dudley 1901-5-11 s.n. San Mateo Near Colma Comment
  CAS-BOT-BC210155  Vulpia bromoides Peter Rubtzoff 1977-4-16 8948 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC210156  Vulpia bromoides Peter Rubtzoff 1975-5-21 7967 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  POM296530  Vulpia bromoides Lyman Benson 1935-5-5 6540 San Mateo Lake Searsville. Stanford University. Santa Cruz Mtn range. S.F. Bay watershed. 152 Comment
  RSA790263  Vulpia bromoides Peter Rubtzoff 1977-4-16 8948 San Mateo San Bruno Mtn: 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC184042  Vulpia microstachys var. microstachys John H. Thomas 1971-5-2 15798 San Mateo Near intersection of Canada Road and Edgewater Road, about three miles westward from Redwood City 152 Comment
  CAS-BOT-BC184550  Vulpia microstachys var. pauciflora H. A. Dutton 1900-3-11 s.n. San Mateo Woodside Comment
  CAS-BOT-BC185767  Vulpia myuros subsp. megalura Fred Hemphill 1973-4-22 831 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC185772  Vulpia myuros subsp. megalura W. R. Dudley 1900-5-19 s.n. San Mateo Summit La Honda Stage Road Comment
  RSA195509  Vulpia octoflora John H. Thomas 1966-4-20 11561 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  JEPS75356  Wahlenbergia gracilis Mary Ann Hewlett March 1976 San Mateo San Mateo San Bruno Mountain ((Glen Park Canyon?), canyon above Industrial Park, below highway about 100 ft down footpath and to the right); , San Bruno Mountain 152 Comment
  HSC23962  Whipplea modesta Mary Katherine Wicksten 1971-6-17 66 San Mateo Huddart Park near Zwierlein Area Comment
  JROH2712  Whipplea modesta John H. Thomas 1961-5-5 9216 San Mateo