Search Results — 2000 specimen records retrieved (1286 records with coordinates)
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Results for search: County=SAN MATEO; Source=All;   

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

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC233752  Abronia umbellata C. F. Baker 1902-10-1 1742 San Mateo Pillar Point Comment
  CAS-BOT-BC233753  Abronia umbellata L. R. Abrams 1909-8-2 4276 San Mateo Pebble Beach Hotel, Pescadero, Santa Cruz Peninsula Comment
  RSA0025967  Abronia umbellata L. S. Rose 1935-10-12 35654 San Mateo Salada. 3 Comment
  JROH1981  Acacia John Hunter Thomas 1983-6-29 22693 San Mateo Jasper Ridge Biological Preserve, Stanford University. Low-flow crossing of San Francisquito Creek Comment
  CAS-BOT-BC177043  Acacia dealbata George Oberlander 1950-2-1 451 San Mateo San Andreas Dam Comment
  JEPS83041  Acaena pinnatifida var. californica Roy E. Buck, Randall A. Morgan, and James A. West 1983-7-15 433 San Mateo ca. 3.2 km. n.w. of Pilarcitos Dam (and 2.4 km. w.-s.w. of San Andreas Dam, along crest of Fifield Ridge, w. of gravel rd.); San Francisco Watershed Reserve 388 Comment
  CAS-BOT-BC451127  Acaena pinnatifida var. californica Elizabeth McClintock 1965-3-28 s.n. San Mateo At Flower Garden adjacent to April Brook; San Bruno Mountains Comment
  UC638681  Acaena pinnatifida var. californica Ethel Crum 1932-4-17 1386 San Mateo South Coast Range, San Gregorio 121 Comment
  UC1187063  Acanthomintha duttonii David D. Keck 1940-5-15 5034 San Mateo w of Redwood City (Emerald Lake); Emerald Lake Comment
  UC1397619  Acanthomintha duttonii H. Dutton and Miss H. Walker May 26 1915-May 29 1915 321 San Mateo near Menlo Golf Club Comment
  CAS-BOT-BC333211  Acer macrophyllum Ira L. Wiggins 1925-4-1 1687 San Mateo First bridge across small creek on Kings Mountain Road above Woodside Comment
  SEINET12234141  Acer macrophyllum Unknown 1932-1 8932 San Mateo La Honda Road Comment
  JROH443  Achillea millefolium John H. Thomas 1973-6-10 16823 San Mateo Jasper Ridge Biological Preserve, Stanford University 190 Comment
  JROH444  Achillea millefolium John H. Thomas 1975-6-5 17943 San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack 154 Comment
  JROH447  Achillea millefolium John Hunter Thomas 1980-5-8 19954 San Mateo Jasper Ridge Biological Preserve, Stanford University 124 Comment
  JROH450  Achillea millefolium John Hunter Thomas 1986-5-6 24016 San Mateo Jasper Ridge Biological Preserve, Stanford University 181 Comment
  UCD18525  Achillea millefolium June McCaskill 1954-5-8 300 San Mateo Moss Beach. Comment
  HSC23987  Achillea millefolium Mary Katherine Wicksten 1971-6-24 109 San Mateo Huddart Park, side of park entrance Comment
  JROH468  Achyrachaena mollis John Hunter Thomas 1981-4-30 20514 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH471  Achyrachaena mollis John Hunter Thomas 1982-5-18 20939 San Mateo Jasper Ridge Biological Preserve, Stanford University; old racing oval 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
  JROH2067  Acmispon glaber var. glaber W. R. Dudley 1893-7-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lake Comment
  OBI12966  Acmispon glaber var. glaber Robert F. Hoover 1964-9-10 9290 San Mateo Devil's slide, between Pedro-Point and Montara Comment
  JROH2053  Acmispon parviflorus G. C. Kimber & Lucile Roush 1918-4-11 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2078  Acmispon strigosus John H. Thomas 1963-5-12 10083 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2085  Acmispon wrangelianus John H. Thomas 1956-4-7 5614 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC2049899  Acmispon wrangelianus H. W. Johansen 1955-4-23 77 San Mateo Crystal Springs Road, 2 miles W of San Mateo. Comment
  JROH3399  Actaea rubra Shaun Donovan 1972-4-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Redwood area along San Francisquito Creek Comment
  SEINET10962249  Actaea rubra Adolph D. E. Elmer Elmer 4703 San Mateo Comment
  LA27800  Adenostoma fasciculatum L. S. Rose; 1941-6-12 41270 San Mateo Rocky ridges, Emerald lake, hills W. of Redwood City 120.0 Comment
  JROH3581  Adenostoma fasciculatum var. fasciculatum Gelsomina Smith 1951-6-5 122 San Mateo Jasper Ridge Biological Preserve, Stanford University 121 Comment
Read comments
Feb 26 2015
  RSA112393  Adenostoma fasciculatum var. fasciculatum W. R. Dudley 1895-6-14 s.n. San Mateo Top of ridge near Searsville Dam. Comment
  CAS-BOT-BC65674  Adiantum jordanii Walter Knight; Irja Knight 1965-4-25 1049 San Mateo in Owl's Canyon 182 Comment
  SBBG7505  Agoseris apargioides var. eastwoodiae H. and M. Dearing 1938-6-21 2038 San Mateo Golden Gate Comment
Read comments
Jan 8 2022
  POM52830  Agoseris grandiflora A. D. E. Elmer 1903-04 s.n. San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC23025  Agoseris grandiflora var. grandiflora George Oberlander 1949-7-30 333 San Mateo Grassland near San Andreas Lake Comment
  CAS-BOT-BC46126  Agoseris heterophylla Ned Cahill 1974-4-29 195 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  JROH489  Agoseris heterophylla John H. Thomas 1970-4-28 15611 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC46174  Agoseris heterophylla John H. Thomas 1974-4-11 17137 San Mateo To the SE of Canada Road and Edgewood Road. NW of Woodside. 152 Comment
  POM52180  Agoseris hirsuta C. F. Baker 1902-5-4 884 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC15231  Agoseris hirsuta W. R. Dudley 1905-6-19 s.n. San Mateo Alpine School House, Black Mountain Comment
  JROH4770  Agrostis avenacea John Hunter Thomas 1979-9-9 19727 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Searsville Lake 110 Comment
  CAS-BOT-BC210070  Agrostis capillaris Peter Rubtzoff 1978-7-8 9223 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Upper part of East Fork Colma Creek Canyon area. Comment
  CAS-BOT-BC127465  Agrostis densiflora Beecher Crampton 1957-6-9 4166 San Mateo State Highway 1, ca. 5-6 miles south of San Francisco. Comment
  JROH4781  Agrostis exarata W. R. Dudley 1903-1-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lake Comment
  RSA523957  Agrostis exarata Gordon H. True Jr. 1937-10-16 849 San Mateo Near Thornton Beach 259 Comment
  JROH4794  Agrostis hallii John Rawlings 2011-6-21 1085 San Mateo Jasper Ridge Biological Preserve, Stanford University; adjacent to Horse Trail in opening in chaparral a few hundred feet from Escobar Road 125 Comment
  CAS-BOT-BC138865  Agrostis microphylla Le Roy Abrams 1902-5-11 2458 San Mateo Crsystal Springs. Comment
  JROH5781  Agrostis microphylla John Rawlings 2016-5-3 1777 San Mateo Jasper Ridge Biological Preserve, Stanford University; vernally wet area in Serpentine prairie (Area C) 170 Comment
  JROH4795  Agrostis pallens John Rawlings 2011-10-7 1102 San Mateo Jasper Ridge Biological Preserve, Stanford University. Just inside Escobar gate south of Road F and east of the gate near the fenceline. 160 Comment
  JROH4797  Agrostis pallens W. R. Dudley 1903-1-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lake Comment
  JROH4802  Agrostis pallens John Rawlings 2011-6-14 1073 San Mateo Jasper Ridge Biological Preserve, Stanford University. Uphill side of Trail 5. 119 Comment
  JROH4803  Agrostis pallens John Rawlings 2013-5-21 1162 San Mateo Jasper Ridge Biological Preserve, Stanford University. Uphill from power poles near path to Rattlesnake Rocks from Rd. D. 133 Comment
  SJSU16010  Agrostis pallens John Rawlings, Toni Corelli 2016-5-27 1847 San Mateo Bean Hollow bluff trail, west of Hwy 1 south of Pescadero 8 Comment
  UCD53094  Agrostis pallens August L. Hormay 1932-5-29 s.n. San Mateo San Mateo County. Comment
  UC766883  Agrostis viridis R. F. Hoover 1940-9-1 4548 San Mateo La Honda summit La Honda Comment
  JROH4162  Ailanthus altissima John Hunter Thomas 1992-5-26 25353 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along SLAC corridor 82 Comment
  JEPS101121  Aira caryophyllea Dean W. Taylor 1991-5-20 11786 San Mateo coastal bluffs near south bank of Pescadero Creek at Highway 1 9 Comment
  POM199071  Aira caryophyllea A. D. E. Elmer 1903-05 4705 San Mateo Crystal Springs Lake. Comment
  RSA195578  Aira caryophyllea John H. Thomas 1966-4-22 11570 San Mateo Jasper Ridge Biological Experimental Area. About 5 miles SW of Palo Alto. Comment
  SEINET3917685  Aira caryophyllea K. Harper 1984-4-25 84 -7 San Mateo Along crest of Jasper Ridge, Research Preserve, Stanford University.; 0 Comment
  CAS-BOT-BC138231  Aira caryophyllea var. caryophyllea Walter Knight; Irja Knight 1965-5-9 s.n. San Mateo San Bruno Mountain. Devil's Arroyo. Comment
  CAS-BOT-BC138234  Aira caryophyllea var. caryophyllea David D. Keck 1932-5-6 1480 San Mateo Just west of Millbrae Highlands. 50 Comment
  CAS-BOT-BC138235  Aira caryophyllea var. caryophyllea Elizabeth McClintock 1964-4-17 s.n. San Mateo San Bruno Mountain. Slope on top of mountain. Comment
  CAS-BOT-BC138238  Aira caryophyllea var. caryophyllea John H. Thomas 1965-4-29 10614 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  CAS-BOT-BC138239  Aira caryophyllea var. caryophyllea A. D. E. Elmer 1903-5-1 4705 San Mateo Crystal Springs Lake. Comment
  JROH4566  Allium John H. Thomas 1976-5-26 18153 San Mateo Jasper Ridge Biological Preserve, Stanford University 148 Comment
  SEINET8534224 Image available Allium dichlamydeum A. A. Heller 1907-5-23 8564 San Mateo Back of San Mateo on the Half Moon Bay road. Comment
  JROH4551  Allium falcifolium John H. Thomas 1968-5-3 14440 San Mateo Jasper Ridge Biological Preserve, Stanford University. North side of ridge in grasslands Comment
  CAS-BOT-BC469034  Allium falcifolium Robert F. Hoover 1941-4-23 4907 San Mateo Redwood City Hills 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-BC469038  Allium falcifolium Lawrence Beane 1949-4-23 188 San Mateo Hillsides west of Redwood City Comment
  SD39066  Allium falcifolium Marie Cummings 1933-4-14 18 San Mateo Spring Valley. Comment
  POM169411  Allium peninsulare var. franciscanum C. F. Baker 1902-5-10 809 San Mateo Crystal Springs Lake. Comment
  SEINET5626583 Image available Allocarya chorisiana Unknown 1907-1 8439 San Mateo Near Lake Merced Comment
  JROH1329  Alnus rhombifolia John Hunter Thomas 1992-5-26 25351 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek near bridge & below the dam Comment
  CAS-BOT-BC170158  Alnus rhombifolia George Oberlander 1950-4-2 508 San Mateo San Mateo Creek Canyon Comment
  UC5355  Alnus rubra J. Burtt Davy 1895-4-21 1062 San Mateo Pilarcitos Creek Comment
  CAS-BOT-BC137917  Alopecurus saccatus J. I. McMurphy 1906-5-8 s.n. San Mateo Santa Cruz Mountain Peninsula. Pond near head of Crystal Springs Lakes. Comment
  JROH176  Amaranthus albus John Hunter Thomas 1977-6-16 18786 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC44925  Ambrosia chamissonis Robert T. Orr 1961-7-13 s.n. San Mateo Ano Nuevo Island Comment
  OBI49178  Ambrosia chamissonis Lewis S. Rose 1938-8-14 38226 San Mateo El Granada 3 Comment
  CAS-BOT-BC44928  Ambrosia chamissonis Lewis S. Rose 1956-8-13 56144 San Mateo Princeton sand dunes 6 Comment
  JROH3594  Amelanchier utahensis John H. Thomas 1973-5-5 16766 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3595  Amelanchier utahensis John H. Thomas 1980-5-6 19935 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3597  Amelanchier utahensis Ruth Porter 1999-5-10 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; between lake and fire road E Comment
  UC204200  Amelanchier utahensis A. D. E. Elmer May 1903 4659 San Mateo Slate's Creek Comment
  SD41381  Ammophila arenaria Edith A. Purer 1933-7-27 5390 San Mateo Open sand dune area, two miles south of Pigeon Point. Comment
  CAS-BOT-BC214046  Amsinckia Mrs. E. C. Sutliffe 1933-5-25 s.n. San Mateo Purissima Canyon Comment
  JEPS26834  Amsinckia intermedia Rimo Bacigalupi with H. G. Baker and L. R. Heckard 1961-5-14 7697 San Mateo 3/4 mi below and se of Stone Dam Resevoir (in canyon of Pilarcitos Creek, w base of Cahill Ridge); Pilarcitos Creek 152 Comment
  JROH1340  Amsinckia intermedia John Hunter Thomas 1982-4-4 20821 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1356  Amsinckia intermedia H. J. Dengler 1972-4-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; in the field by Sand Hill Road opposite Whiskey Hill Road Comment
  UC1220416  Amsinckia lunaris Jerry Powell 1963-5-3 356 San Mateo s and se facing slopes San Bruno Mountain (north tank hill) Comment
  UCD119714  Amsinckia lunaris Gene B. Newcomb 1953-5-20 116 San Mateo Road west of San Mateo City to Skyline Blvd., 1.7 miles below junction to Skyline opposite pit, (Hillsborough). Comment
  UCD117546  Anagallis arvensis S. Seiki; Patricia Carter 1998-5-2 2 San Mateo city of Pacifica, Montara Mountain, approx. 2.4 miles from San Pedro Valley along Devil's Slide heading west. Comment
  UCD117431  Anagallis arvensis Richard W. Cleveland 1951-4-28 37 San Mateo 2.2 miles south of Pescadero. Comment
  JROH3371  Anagallis minima John H. Thomas 1968-4-6 14280 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC45181  Anaphalis margaritacea John Hunter Thomas 1963-9-11 10265 San Mateo San Bruno Mountain, in northern part of country 396 Comment
  CAS-BOT-BC45192  Anaphalis margaritacea Josephine D. Randall 1907-7-23 47 San Mateo Near Crystal Springs Lake Comment
  JEPS17915  Anaphalis margaritacea Rimo Bacigalupi 1955-8-4 5448 San Mateo at, just n of Montara Point Lighthouse Montara Comment
  CAS-BOT-BC45190  Anaphalis margaritacea D. D. Keck 1931-10-5 1284 San Mateo 1 mile north of Salada Beach, 300 feet from ocean Comment
  SD30738  Anaphalis margaritacea Edith A. Purer 1933-8-4 5402 San Mateo Bayshore Highway, near Redwood City. Comment
  UC634955  Anemone oregana Herbert L. Mason 1927-4-24 3698 San Mateo La Honda Comment
  CAS-BOT-BC273187  Anisocarpus madioides Eric Walther 1919-6-9 s.n. San Mateo Woodside Comment
  UC614963  Anisocarpus madioides Beryl O. Schreiber 1932-5-29 300 San Mateo near San Mateo (Spring Valley Water Company Road) Comment
  UC830895  Anisocarpus madioides Lewis S. Rose 1941-7-2 41287 San Mateo Kings Mountain 548 Comment
  CAS-BOT-BC102288  Anthemis cotula Phillip Wheeler 1965-6-8 s.n. San Mateo Old County Road-Brisbane Comment
  JROH498  Anthemis cotula John H. Thomas 1963-6-23 10173 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Westridge end of ridge Comment
  RSA492536  Anthriscus caucalis Lyman Benson 1935-5-5 6521 San Mateo Lake Searsville 152 Comment
  JROH3601  Aphanes occidentalis John H. Thomas 1968-3-17 14195 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA181419  Apocynum cannabinum James I. McMurphy 1908-8-20 s.n. San Mateo Ravine near shore this side of Crystal Springs 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
  UC1285700  Aponogeton distachyos Rolf Benseler 1966-4-10 San Mateo 100 yards s of King Drive (formerly Chinese Cemetery Road), e side of Highway No. 5, Skyline Boulevard, northern end of San Mateo County King Drive; e side Highway No. 5, Skyline Boulevard Comment
  CAS-BOT-BC392062  Aquilegia eximia A. D. E. Elmer 1903-6-1 4271 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC392063  Aquilegia eximia A. D. E. Elmer 1903-6-1 4271 San Mateo Crystal Springs Lake Comment
  UC463319  Aquilegia eximia W. R. Dudley 1902-9-21 San Mateo sw Crystal Springs Lake; Santa Cruz Peninsula Comment
  CAS-BOT-BC405852  Aquilegia formosa Le Roy Abrams 1902-4-13 2343 San Mateo Crystal springs Comment
  CAS-BOT-BC405853  Aquilegia formosa David D. Keck 1932-5-11 1771 San Mateo Three miles west of Kings Mountain, on the road to Tunitas, west slope of Santa Cruz Mountains. 450 Comment
  CAS-BOT-BC405856  Aquilegia formosa George Oberlander 1949-4-30 66 San Mateo Pilarcitos Canyon Comment
  SEINET5721773 Image available Aquilegia formosa Johnny O. Johnson 1974-1 29 San Mateo Bear Gulch Road, 2 miles north of its intersection with State Hwy 84. Comment
  RSA523415  Aquilegia formosa var. truncata G. H. True 1936-4-5 388 San Mateo Canyon between San Gregorio and Pescadero 152 Comment
  CAS-BOT-BC17334  Arabis blepharophylla Peter H. Raven 1967-2-18 20828 San Mateo Off Crocker Avenue, Daly City, just south of San Francisco County Line. Comment
  UC311117  Arabis blepharophylla A. D. E. Elmer Apr 1903 4936 San Mateo San Bruno Hills Comment
  CAS-BOT-BC17326  Arabis blepharophylla W. R. Dudley 1900-3-18 s.n. San Mateo Santa Cruz Peninsula. 1st high hill between Salado Valley and Colma. Comment
  UC1300998  Arabis glabra Helen K. Sharsmith 1963-2-16 5142 San Mateo above Daly City (lower slopes of San Bruno Mountain); San Francisco Bay Region, San Bruno Mountain 106 Comment
  RSA0125754  Arabis glabra John F. Emmel 1972-4-2 398 San Mateo 0.5 air mile SW of 1314 summit, along SW base of San Bruno Mts. 168 Comment
  CAS-BOT-BC128672  Arbutus menziesii Margaret A. Barry 1937-4-21 12 San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC128673  Arbutus menziesii B. Bartholomew; L. R. Landrum; H. W. Li; T. S. Ying 1985-11-6 3676 San Mateo Just S of the juction of State Highway 35 with La Honda Road 460 Comment
  UCSB11754  Arbutus menziesii Olson, Jim 1962-4-17 San Mateo 1 mile south of La Honda on Skyline Boulevard 670 Comment
  CAS-BOT-BC24156  Arctostaphylos John H. Thomas 1967-2-9 12402 San Mateo Montara Mountain in Northern part of county. Between Pacifica and Montara. Comment
  SEINET11989292  Arctostaphylos S. W. Edwards 1982-1 s.n. San Mateo Foothill Park Comment
  CAS-BOT-BC24127  Arctostaphylos andersonii C. F. Baker 1902-1-15 271 San Mateo King's Mountain Comment
  JEPS110501  Arctostaphylos andersonii Robert E. Preston 2004-6-9 2251 San Mateo Ca. 8 mi NW of Boulder Creek, in Pescadero Creek watershed. 160 Comment
  UCD50305  Arctostaphylos andersonii var. imbricata Walter and Irja Knight; Elizabeth McClintock 1982-3-25 4425 San Mateo Kamchatka Point, San Bruno Mountain. Comment
  SEINET11988252  Arctostaphylos crustacea Unknown 1959-1 322 San Mateo 2.8 mi from junction Ca 5 on King's Mountain Rd Comment
  SEINET11988253  Arctostaphylos crustacea Unknown 1959-1 321 San Mateo 3.5 mi from junction CA 5 on Kings Mt. Rd Comment
  SEINET12524566 Image available Arctostaphylos crustacea L. S. Rose 1942-1 42007 San Mateo Kings mountain. 600 Comment
  JROH1928  Arctostaphylos crustacea subsp. crustacea Josephine D. Randall 1906-1-27 138 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1930  Arctostaphylos crustacea subsp. crustacea John H. Thomas 1970-7-5 15665 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1940  Arctostaphylos crustacea subsp. crustacea John Hunter Thomas 1979-5-10 19547 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA681640  Arctostaphylos edmundsii Annuschka Deb 1989-4-20 125 San Mateo Woodside. Comment
  SEINET11988203  Arctostaphylos glandulosa W. Knight, Raiche, R. 1982-1 4416 San Mateo San Bruno Mountain, up Buckeye Canyon on Oak Ridge 91 Comment
  CAS-BOT-BC24493  Arctostaphylos imbricata Marian L. Campbell 1915-6-17 s.n. San Mateo San Bruno Hills. Comment
  SBBG32379  Arctostaphylos imbricata L. S. Rose 1961-3-2 61014 San Mateo San Bruno Hills 365 Comment
  SBBG33914  Arctostaphylos imbricata L. S. Rose 1964-4-24 64022 San Mateo San Bruno Hills Comment
  RSA502351  Arctostaphylos imbricata D. W. Taylor 1988-4-29 9584 San Mateo San Bruno Mountain, northern slope of mountain 0.3 miles N22deg. W of summit (as depicted on San Francisco South 7.5' USGS quadrangle) 371 Comment
  RSA380888  Arctostaphylos montaraensis Roman Gankin, W. Richard Hildreth 1966-5-17 738 San Mateo Montara Mountain Comment
Read comments
Mar 6 2010
  UC21802  Arctostaphylos montaraensis J. Burtt Davy Jun 21 1893-Jun 23 1893 San Mateo Pilarcitos Lake and Canyon 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
  CAS-BOT-BC27197  Arctostaphylos pacifica James B. Roof 1961-4-18 s.n. San Mateo NE face of San Bruno Mountain 335 Comment
  CAS-BOT-BC39821  Arctostaphylos pacifica Arthur Menzies 1963-3-9 s.n. San Mateo San Bruno Hills - N.E. ridge from road at end of parking lot Comment
  JEPS98893  Arctostaphylos pacifica James Roof 1961-4-18 San Mateo type locality; Pacific Ridge, San Bruno Mountain Comment
  RSA633498  Arctostaphylos pacifica Jon E. Keeley 1996-6-24 27568 San Mateo On knob below end of paved road at top of San Bruno Mountain. 350 Comment
  CAS-BOT-BC44744  Arctostaphylos regismontana Mrs. E. C. Sutliffe 1934-2-2 s.n. San Mateo Kings Mountain Comment
  CAS-BOT-BC44750  Arctostaphylos regismontana Eric Walther 1919-8-1 s.n. San Mateo Woodside Comment
  POM367226  Arctostaphylos regismontana E. C. Sutliffe 1934-2-2 s.n. San Mateo Kings Mountain. Comment
  RSA1939  Arctostaphylos regismontana C. B. Wolf 1930-11-6 1067 San Mateo 2 mi N of Summit of Kings Mountain, Skyline Blvd. 640 Comment
  RSA636740  Arctostaphylos regismontana Jon E. Keeley, Melanie Baer Keeley 1993-9-8 24633 San Mateo NW side of Montara Mtn. 150 Comment
  RSA636741  Arctostaphylos regismontana Jon E. Keeley, Melanie Baer Keeley 1993-9-8 24632 San Mateo NW side of Montara Mtn. 150 Comment
  UC1120837  Arctostaphylos regismontana A. E. Wieslander and B. O. Schreiber 1940-3-5 8 San Mateo road from Woodside to King's Mt.; Santa Cruz Quadrangle 487 Comment
  UC1424961  Arctostaphylos regismontana Gary D. Wallace 1974-12-28 1375 San Mateo along Skyline Blvd. s Upper Crystal Springs Res. (2.8 mi n of jct. of King Mtn. Rd. opposite Farwell's Rhododendron Nursery); Northern Santa Cruz Mtns. 640 Comment
  UC762307  Arctostaphylos regismontana R. F. Hoover 1941-2-12 4768 San Mateo Kings Mountain Comment
  CAS-BOT-BC44669  Arctostaphylos sensitiva George Oberlander 1950-4-2 521 San Mateo Southern Cahill Ridge 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-BC44672  Arctostaphylos sensitiva W. R. Dudley 1899-1-2 s.n. San Mateo On dry hills between Butano Cr. and Little Butano Cr. - Santa Cruz Mountain Peninsula Comment
  UCD166159  Arctostaphylos sensitiva Jack Major; M. Forde and S. Bamberg 1962-4-3 741 b San Mateo Near Ano Nuevo Point. (Exact location unknown. Coordinates estimated by label maker.) Comment
Read comments
Oct 15 2021
  SEINET11989293  Arctostaphylos tomentosa S. W. Edwards 1982-1 s.n. San Mateo Foothill Park near summit of SW ridge Comment
  JEPS101965  Arctostaphylos tomentosa subsp. crustacea Dean W. Taylor 1997-2-12 15906 San Mateo Kings Peak Road; Santa Cruz Mountains, Kings Mtn., on road to archery area under high-voltage, steel-tower eletrical transmission line 533 Comment
  POM131601  Arctostaphylos tomentosa subsp. crustacea C. F. Baker 1902-3-18 328 San Mateo King's Mountain. Comment
  RSA139987  Arctostaphylos tomentosa subsp. crustacea A. E. Wieslander 1929-3-19 46 San Mateo Kings Mt. Road, head of Peter's Creek. 701 Comment
  RSA636843  Arctostaphylos tomentosa subsp. crustacea Jon E. Keeley, Melanie Baer-Keeley 1993-9-8 24644 San Mateo NW side of Montara Mtn. 150 Comment
  RSA636846  Arctostaphylos tomentosa subsp. crustacea Jon E. Keeley, Melanie Baer-Keeley 1993-9-8 24642 San Mateo NW side of Montara Mtn. 150 Comment
  RSA636848  Arctostaphylos tomentosa subsp. crustacea Jon E. Keeley, Melanie Baer-Keeley 1993-9-8 24648 San Mateo NW side of Montara Mtn. 150 Comment
  POM367475  Arctostaphylos tomentosa subsp. tomentosa L. H. Jones 1909-3-5 s.n.. San Mateo Summit and West side of Jasper Ridge, Stanford University. 183 Comment
  POM285160  Arctostaphylos tomentosa subsp. tomentosiformis Lyman Benson 1929-3-2 986 San Mateo Hill east of Lake Searsville. Comment
  POM367466  Arctostaphylos tomentosa subsp. tomentosiformis L. S. Rose 1949-3-18 49006 San Mateo Hills west of Belmont. 91 Comment
  UCD51721  Arctostaphylos tomentosa var. crinita Roman Gankin 1959-2-22 325 San Mateo 1.2 miles from junction State Hwy 5 on King's Mt. Road, San Mateo County, California. Comment
  CAS-BOT-BC46825  Arctostaphylos uva-ursi Arthur L. Menzies 1963-3-10 s.n. San Mateo San Bruno Hills Comment
  CAS-BOT-BC46827  Arctostaphylos uva-ursi Arthur L. Menzies 1963-3-10 s.n. San Mateo San Bruno Hills, N.W. of first Television Tower Comment
  CAS-BOT-BC46837  Arctostaphylos uva-ursi Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mt. Few hundred yards up Cable Ravine Comment
  UCD51963  Arctostaphylos uva-ursi Robert F. Thorne 1963-6-9 32218 San Mateo Prostrate shrub in north coastal scrub on top of San Bruno Mt. near TV tower. Comment
  SEINET11989204  Arctostaphylos uva-ursi W. Knight, Knight, I.; McClintock, E. 1982-1 4639 San Mateo NE of parking loc, San Bruno Mountain 335 Comment
  SEINET11987484  Arctostaphylos uva-ursi var. coactilis J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4201 San Mateo Strybing Arboretum, Golden Gate Park, San Francisco, orig. from San Bruno Mt Comment
  SEINET11987491  Arctostaphylos uva-ursi var. coactilis J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4208 San Mateo Strybing Arboretum, Golden Gate Park, San Francisco, orig. from upper Cable Ravine, San Bruno Mt Comment
  SEINET11989209  Arctostaphylos uva-ursi var. suborbiculata E. McClintock, Knight, W.; Knight, I. 1982-1 4634 San Mateo windy Kamchatka Point, San Bruno Mountains Comment
  CAS-BOT-BC47707  Armeria maritima subsp. californica W. R. Dudley 1896-4-18 s.n. San Mateo Pebble Beach Pasture, Pescadero Comment
  UC1537507  Armeria maritima subsp. californica Gordon H. True Jr. 1936-6-7 485 San Mateo 4 mi s Pescadero (top of ocean bluff) 15 Comment
  JROH512  Arnica discoidea Herbert L. Mason 1921-5-18 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Redwood area Comment
  RSA6284  Arnica discoidea D. D. Keck 1932-5-11 1775 San Mateo East side of Kings Mountain, on Kings Mountain Road 350 Comment
  UC943016  Artemisia douglasiana Lewis S. Rose 1940-8-10 49155 San Mateo Crystal Springs Lake Comment
  SBBG33991  Artemisia douglasiana L. S. Rose 1969-8-8 69090 San Mateo Skyline Blvd and Half Moon Bay Rd, Cahill Ridge 243 Comment
  UCR240608  Artemisia pycnocephala T. B. Salvato, Lia V. D. Mansfield, Joel-Henry J. Mansfield 2008-6-14 3528 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-BC400510  Asarum caudatum A. D. E. Elmer 1903-6-1 4421 San Mateo Butano Creek Comment
  UCD137830  Asarum caudatum R. E. Dengler 1960-4-13 32 San Mateo Purissima Creek Canyon. 251 Comment
  JROH436  Asclepias fascicularis John Hunter Thomas 1982-9-23 21161 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR254764  Aster chilensis Peter Rubtzoff, Roman Gankin 1975-9-11 8377 San Mateo San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 213 Comment
  POM261373  Aster chilensis H. C. Cauteloro 1940-9-2 s.n. San Mateo North of Pescadero Comment
  RSA128844  Aster chilensis W. R. Dudley 1895-9-21 s.n. San Mateo Meulo Park Comment
  RSA249496  Aster chilensis John F. Emmel 1971-9-6 386 San Mateo Ravine 0.3 air miles southeast of 1314' summit, NE slope of San Bruno Mts. 320 Comment
  POM87776  Aster radulinus L. R. Abrams 1902-9-28 3004 San Mateo New Grade Road- Portola Comment
  SEINET946245  Asteraceae J. A. Reese 1962-1 San Mateo In rear of home of J.J. Reese; 286 Whiskey Hill Road, Woodside 122 Comment
  JROH1995  Astragalus gambelianus John Hunter Thomas 1982-4-28 20876 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1997  Astragalus gambelianus John Hunter Thomas 1992-4-29 25170 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA18446  Astragalus nuttallii C. B. Wolf 1927-6-29 s.n. San Mateo South of Pebble Beach near Pescadero Comment
  CAS-BOT-BC177967  Astragalus nuttallii var. virgatus V. F. Hesse 1921-7-30 70 San Mateo Salada Comment
  SD40165  Astragalus nuttallii var. virgatus Edith A. Purer 1933-7-27 5356 San Mateo High stabilized sand dunes, Pigeon Point. Comment
  CDA26741  Astragalus pycnostachyus var. pycnostachyus T. C. Fuller 1967-8-23 16295 San Mateo West of coast highway (Highway 1), 1 mile northwest of Pescadero. 0 Comment
  HSC24025  Asyneuma prenanthoides Mary Katherine Wicksten 1971-7-7 155 San Mateo Huddart Park, along road to family campground. Comment
  CAS-BOT-BC170572  Atriplex John H. Thomas 1968-10-6 14844 San Mateo Vicinity of railroad tracks and Dumbarton Bridge casueway entrance. East of Palo Alto. Comment
  POM164684  Atriplex californica C. F. Baker 1902-10-1 1743 San Mateo Pillar Point. Comment
  UC1191296  Atriplex triangularis Malcolm A. Nobs, S. Galen Smith 1949-8-26 1595 San Mateo marshes at mouth Pescadero Creek mouth Pescadero Creek Comment
Read comments
Feb 28 2011
  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
  CAS-BOT-BC146125  Avena barbata Elizabeth McClintock; Carlyn Halde; Walter Knight; Walter Knight 1963-6-23 s.n. San Mateo San Bruno Mountain. Lower part of Colma Canyon. Comment
  JROH4842  Avena barbata W. Lennihan 1989-4-6 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 9 Comment
  CAS-BOT-BC146214  Avena brevis John Thomas Howell 1954-6-16 30003 San Mateo Belmont. Raslton Avenue at 6th. Comment
  CAS-BOT-BC389748  Avena fatua M. Danielson 1966-4-23 s.n. San Mateo Hillside east of Canada Road Comment
  JROH1  Azolla John Hunter Thomas 1981-6-4 20669 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low flow crossing of San Francisquito Creek 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
  RSA40259  Baccharis douglasii L. S. Rose 1946-7-14 46220 San Mateo Searsville Lake 69 Comment
  JROH536  Baccharis glutinosa John H. Thomas 1974-8-3 17497 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH544  Baccharis glutinosa John Hunter Thomas 1988-10-17 24593 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake Comment
  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-BC99533  Baccharis pilularis David D. Keck 1931-10-5 1283 San Mateo 1 mile north of Salada Beach Comment
  SEINET11861776  Baccharis pilularis Unknown 1933-8-4 10464 San Mateo along Bayshore Highway Comment
  UC1119670  Baccharis pilularis G. E. Sindel 1935-10-18 381 San Mateo 1 3/8 mi n of Langley Hill; Santa Cruz Quad. 518 Comment
  JROH547  Baccharis pilularis subsp. consanguinea John H. Thomas 1964-11-29 10547 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
  JROH554  Baccharis pilularis subsp. consanguinea John Hunter Thomas 1988-10-17 24599 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET5556641  Baeria californica H. S. Gentry 1931-1 95 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. 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
  CAS-BOT-BC16627  Barbarea orthoceras Fred Hemphill 1973-4-22 736 San Mateo San Carlos. Area north of Malabar Road and Melendy Drive. 207 Comment
  CAS-BOT-BC16628  Barbarea orthoceras Fred Hemphill 1973-5-6 748 San Mateo San Carlos. Area north of Malabar Road and Melendy Drive. 207 Comment
  CAS-BOT-BC16635  Barbarea orthoceras Alice Eastwood 1914-3-12 s.n. San Mateo San Bruno Hills. Comment
  CAS-BOT-BC16638  Barbarea orthoceras James McMurphy 1907-5-25 s.n. San Mateo San Francisquito Creek, near Stone Crusher. Comment
  CAS-BOT-BC16640  Barbarea orthoceras Peter Rubtzoff 1953-5-14 1346 San Mateo Pilarcitos Creek Canyon 1 to 2 miles downstream from Pilarcitos Lake. Comment
  CAS-BOT-BC16642  Barbarea orthoceras W. R. Dudley 1900-3-18 s.n. San Mateo Santa Cruz Peninsula. Near head of San Andreas Lake. Comment
  JROH3916  Bellardia trixago John H. Thomas 1975-6-5 17930 San Mateo Jasper Ridge Biological Preserve, Stanford University; near lowflow crossing Comment
  JROH3925  Bellardia trixago John Hunter Thomas 1986-6-7 24083 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU945  Berberis aquifolium W. M. Bybee 1948-2-20 San Mateo residence, Burlingame Comment
  CAS-BOT-BC75663  Berberis nervosa Paul Arnaud 1941-6-5 s.n. San Mateo Redwood City, Woodrow Street. Comment
  CAS-BOT-BC75877  Berberis pinnata John H. Thomas 1962-4-24 9846 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  CAS-BOT-BC75881  Berberis pinnata Art Menzies; Barbara Menzies 1965-3-14 s.n. San Mateo San Bruno Mountain. Reservoir Hill. Comment
  RSA465634  Boisduvalia stricta E. S. Spalding 1923-8-3 s.n. San Mateo Pulgas Tunnel, east side. Comment
  CAS-BOT-BC31087  Bolboschoenus maritimus Alice Eastwood 1915-6-13 4714 San Mateo Granada Comment
  CAS-BOT-BC31088  Bolboschoenus maritimus Ira L. Wiggins 1980-8-29 22258 San Mateo Bed and lower bank of San Francisquito Creek, ca 200 m upstream from Pope St Bridge Comment
  SEINET10927832  Bolboschoenus maritimus Lewis S. Rose 1935-8-13 Rose 35565 San Mateo Salada. Salt marsh. 3 Comment
  SEINET8728895 Image available Bougainvillea spectabilis A. T. Whittemore 2001-1 01 -022 San Mateo 418 Hillway Dr., Redwood City. 98 Comment
  JROH4858  Brachypodium distachyon John Hunter Thomas 1989-5-9 24725 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD57119  Brachypodium distachyon Peter H. Raven 1957-6-30 11015 San Mateo 1.8 miles east of Pescadero on road to La Honda. Comment
  SEINET251703 Image available Brachypodium sylvaticum John Beall 2003-12-4 San Mateo Santa Cruz Mountains, Woodside on Hwy 84 at Grandview Dr., about 1 mile from Skyline Road summit. 427 Comment
  RSA187280  Brassica rapa John H. Thomas 1965-4-29 10605 San Mateo San Bruno Mountain in northern part of county. 305 Comment
  POM272668  Brassica rapa Lyman Benson 1939-7-1 9677 San Mateo Skyline Bouldevard; San Francisco City Limits. 30 Comment
  SEINET3292600 Image available Brassica rapa David D. Keck 1932-2-16 1377 San Mateo Portola, in cultivated orchards, roadside Potola Comment
  CAS-BOT-BC145492  Briza maxima Elizabeth McClintock; Paul Reeberg 1988-4-15 s.n. San Mateo San Bruno Mountains. East of Powerline and south of Guadalupe Canyon Parkway. 99 Comment
  CAS-BOT-BC145493  Briza maxima Elizabeth McClintock; Paul Reeberg 1988-4-15 s.n. San Mateo San Bruno Mountains. East of East Powerline. 99 Comment
  RSA119338  Briza maxima S. S. Tillett, I. Sternback 1956-6-25 551 San Mateo Along roadside, Skyline Drive. 488 Comment
  UCSB841  Brodiaea coronaria Walker, Clifford 1954-4-20 San Mateo Corner of Jefferson and Canada Rds. Comment
  JROH4586  Brodiaea terrestris subsp. terrestris Elmer I. Applegate 1895-5-11 700 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4593  Brodiaea terrestris subsp. terrestris John Hunter Thomas 1986-5-8 24030 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC483177  Brodiaea terrestris subsp. terrestris Mary Helen Kelson 1956-4-22 138 San Mateo On Alberta Way, Hillsborough, 1 mile from Sklyine Blvd. Comment
  CAS-BOT-BC149396  Bromus berteroanus Richard Hobbs 1982-4-23 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University, about 5 miles SW of the downtown section of Palo Alto. The Preserve consists of about 1400 acres. This from Area C Comment
  CDA7725  Bromus carinatus D. G. Kelch 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  UCD58154  Bromus carinatus Janet Jacob 1951-4-1 64 San Mateo 7 miles east of Pescadero. Comment
  UCSC007722  Bromus carinatus Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park 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
  CAS-BOT-BC148984  Bromus carinatus var. carinatus Ira L. Wiggins 1928-4-22 2946 San Mateo Moss Beach. Comment
  CAS-BOT-BC148985  Bromus carinatus var. carinatus W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. Ravine north of Seal Cove. Comment
  CAS-BOT-BC148988  Bromus carinatus var. carinatus Margaret A. Barry 1937-5-15 99 San Mateo Coal Mine RIdge. Comment
  UC1131001  Bromus carinatus var. carinatus H. S. Yates 1935-5-8 5198 San Mateo 2 mi n of Langley Hill 579 Comment
  CAS-BOT-BC156176  Bromus catharticus John H. Thomas 1969-4-24 14902 San Mateo Near Canada College, Redwood City, near Farm Hill Drive. Comment
  JROH4911  Bromus diandrus John Rawlings 2011-8-5 1083 San Mateo Jasper Ridge Biological Preserve, Stanford University; in gravel bed of Bear Creek near confluence with San Francisquito Creek 81 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
  JROH4922  Bromus hordeaceus Stephen N. Turitzin 1975-5-7 1 San Mateo Jasper Ridge Biological Preserve, Stanford University 190 Comment
  POM286725  Bromus hordeaceus Lyman Benson 1931-4-26 2757 San Mateo Behind Stanford University. Corte Madre Creek. Santa Cruz Mtn. Range Comment
  RSA181249  Bromus laevipes John H. Thomas 1961-5-7 9256 San Mateo San Bruno Mountain in northern part of county. 305 Comment
  JROH5700  Bromus madritensis subsp. madritensis John Rawlings 2015-4-7 1458 San Mateo Jasper Ridge Biological Preserve, Stanford University; Road F in serpentine prairie west of Escobar Gate 166 Comment
  JROH4950  Bromus madritensis subsp. rubens W. Lennihan 1989-5-4 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Right of Trail 9 -- going west (north side) Comment
  RSA135733  Bromus marginatus W. R. Dudley 1901-5-14 s.n. San Mateo between Colma and Lake Merced. Comment
  RSA320909  Bromus marginatus Robert A. Norris 1984-3-21 4656 San Mateo Blue Blossom Hill, San Bruno Mts. 366 Comment
  CAS-BOT-BC161752  Bromus rubens R. E. Frenkel 1964-5-26 511 San Mateo On Portola Ridge Road, SFWD, 0.7 mile north of Sawyer Ridge Road. 320 Comment
  CAS-BOT-BC161753  Bromus rubens Ned Cahill 1974-4-30 217 San Mateo Near the inersection of Canada and Edgewood Roads, about 3 miles westward from Redwood City. Comment
  SEINET3923291  Bromus rubens Robert A. Norris 1984-3-21 4655 San Mateo Blue Blossom Hill, San Bruno Mts.; 0 366 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
  POM277332  Bromus vulgaris Lyman Benson 1937-7-15 8452 San Mateo Upper San Francisquito Creek. Santa Cruz Mt. Range. 244 Comment
  RSA119336  Bromus vulgaris S. S. Tillett, I. Sternback 1956-6-24 534 San Mateo Middleton property, behind (N.) Portola Camp Store, just outside Portola State Park. 396 Comment
  UC676750  Cakile edentula Reed C. Rollins 1941-7-19 2961 San Mateo along beach at Half Moon Bay Half Moon Bay Comment
  RSA176866  Cakile maritima John H. Thomas 1963-5-20 10116 San Mateo Ano Nuevo Island, 1/2 mile off shore and about 20 miles NW of Santa Cruz. Comment
  CAS-BOT-BC36947  Cakile maritima var. maritima J. H. Thomas 1949-6-4 577 San Mateo 1.4 miles south of road to Pescadero. Comment
  POM199093  Calamagrostis nutkaensis A. D. E. Elmer 1903-05 5051 San Mateo San Pedro Comment
  CAS-BOT-BC438532  Calandrinia ciliata Le Roy Abrams 1902-5-4 2406 San Mateo Woodside Comment
  CHSC39803  Calandrinia ciliata Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  JROH3324  Calandrinia ciliata John H. Thomas 1973-4-14 16550 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3327  Calandrinia ciliata John H. Thomas 1977-4-8 18516 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD38112  Calandrinia ciliata Marie Cummings 1933-5-3 69 San Mateo Woodside Comment
  CAS-BOT-BC438533  Calandrinia ciliata Philip C. Wheeler 1965-5-12 s.n. San Mateo San Bruno Mountain. Pig Ranch Ravine. Comment
  JROH1640  Callitriche marginata John H. Thomas 1973-4-20 16578 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4611  Calochortus albus John Hunter Thomas 1985-4-25 23560 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA14949  Calochortus albus Lewis S. Rose 1935-6-11 35214 San Mateo 9 mi W of Stanford University. Comment
  SD39096  Calochortus albus Marie Cummings 1933-5-8 79 San Mateo Steven's Creek. Comment
  JROH4622  Calochortus argillosus John H. Thomas 1974-6-30 17458 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS127872  Calochortus luteus Adam C. Schneider 2013-5-17 159 San Mateo Crystal Springs Reservoir Comment
  SEINET12053937  Calochortus luteus Unknown 1932-1 9159 San Mateo no further locality Comment
  POM196564  Calochortus tolmiei W. R. Dudley 1895-6-6 s.n. San Mateo Pescadero Creek Comment
  CAS-BOT-BC493994  Calochortus tolmiei Josephine D. Randall 1907-4-27 225 San Mateo Kings Mt.; Santa Cruz Peninsula Comment
  RSA18366  Calochortus tolmiei Carl B. Wolf 1929-5-22 3722 San Mateo Near east base of La Honda grade Comment
  UC423011  Calochortus umbellatus J. Burtt Davy 1893-6-17 795 San Mateo Belmont Comment
  JROH568  Calycadenia multiglandulosa John H. Thomas 1974-10-26 17634 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA124773  Calycadenia multiglandulosa subsp. robusta John H. Thomas 1958-11-22 7506 San Mateo Jasper Ridge, about 5 miles SW of Palo Alto 152 Comment
  RSA81618  Calycadenia multiglandulosa subsp. robusta James I. McMurphy 1909-6-7 s.n. San Mateo Jasper Ridge Comment
  JEPS109222  Calystegia occidentalis subsp. occidentalis D. W. Taylor 2005-9-26 19491 San Mateo 1 mile S along coast from Franklin Point, Ano Nuevo State Reserve. 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
  RSA296719  Calystegia purpurata Clark L. Miller 1978-6-15 1 -59 San Mateo Collected off old hwy. 1, approx. 4 miles south of Half Moon Bay. Comment
  JROH1839  Calystegia purpurata subsp. purpurata John H. Thomas 1968-4-19 14294 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC436440  Calystegia subacaulis George Oberlander 1950-4-16 739 San Mateo San Francisco Watershed Reserve, south boundary Comment
  CHSC447  Calystegia subacaulis V. Holt 1943-4-21 San Mateo 6 Comment
  CAS-BOT-BC224345  Calystegia subacaulis subsp. subacaulis A. D. E. Elmer 1903-6-1 4826 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC224349  Calystegia subacaulis subsp. subacaulis A. D. E. Elmer 1903-6-1 4826 San Mateo Crystal Springs Lake Comment
  UCSC007726  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  JEPS43863  Camissoniopsis micrantha William S. Cooper 1925-5-28 14 San Mateo Salada Comment
  SEINET10463021  Campanula prenanthoides Wolf 1927-7-14 WOLF 618 San Mateo SUMMIT OF KINGS MTN ROAD Comment
  SEINET10463046  Campanula prenanthoides Leitholt LEITHOLT s.n. San Mateo Pascadero Comment
  SEINET10463066  Campanula prenanthoides Wolf 1927-8-13 WOLF 714 San Mateo Summit La Honda Grade Comment
  SEINET10939004  Campanula prenanthoides Wolf 1927-8-13 WOLF 714 San Mateo LA HONDA GRADE, SANTA CRUZ MTNS Comment
  SEINET10939009  Campanula prenanthoides William R. Dudley 1894-7-7 Dudley s.n. San Mateo Bear Gulch Comment
  JROH1471  Capsella bursa-pastoris John H. Thomas 1974-4-6 17094 San Mateo Jasper Ridge Biological Preserve, Stanford University; along path west side of dam Comment
  JROH1480  Capsella bursa-pastoris John Hunter Thomas 1988-4-6 24370 San Mateo Jasper Ridge Biological Preserve, Stanford University; road and adjacent areas, below dam Comment
  CAS-BOT-BC37160  Capsella bursa-pastoris Walter Knight; Irja Knight 1964-4-13 634 San Mateo San Bruno Mountains. Power Line Ridge. Comment
  CAS-BOT-BC37663  Cardamine californica W. R. Dudley 1904-4-7 s.n. San Mateo Santa Cruz Mountain Peninsula. By Los Francos Creek 1.5 mile above Judge Allens. Comment
  CAS-BOT-BC37682  Cardamine californica C. F. Baker 1902-4-12 501 San Mateo La Honda. Comment
  CAS-BOT-BC37691  Cardamine californica Alice Eastwood 1933-4-30 s.n. San Mateo Lake Pilarcitos. Comment
  POM204309  Cardamine californica var. integrifolia I. L. Wiggins 1931-2-21 5089 -a San Mateo Pescadero Beach, 0.5 mile N of Pebble Beach hotel. Comment
  CAS-BOT-BC37985  Cardamine oligosperma John H. Thomas 1961-5-14 9372 San Mateo San Francisco Watershed Reserve. Vicinity of Pilarcitos Stone Dam on Pilarcitos Creek. 152 Comment
  CAS-BOT-BC37987  Cardamine oligosperma John H. Thomas 1964-8-30 10372 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  JEPS23926  Cardamine oligosperma LeRoy Abrams 1902-4-5 2308 San Mateo Searsville Comment
  JROH1498  Cardamine oligosperma John Hunter Thomas 1983-4-5 21322 San Mateo Jasper Ridge Biological Preserve, Stanford University; low-flow crossing Comment
  POM272675  Cardamine oligosperma Lyman Benson 1929-3-2 990 San Mateo Hill east of Lake Searsville. Comment
  CAS-BOT-BC37988  Cardamine oligosperma George Oberlander 1949-4-30 123 San Mateo San Francisco Watershed Reserve. Pilarcitos Canyon. Comment
  UCD166155  Carex Jack Major; M. Forde and S. Bamberg 1962-4-3 739 San Mateo Above Coastways Ranch on Finney Creek. (Exact location unknown. Coordinates estimated by label maker). Comment
  CAS-BOT-BC18187  Carex Roxana S. Ferris 1918-3-31 753 San Mateo Edge of Helvetio (Mud) Lake, Coal Mine Ridge. Comment
  UCSC006296  Carex Randall Morgan 2001-10-19 3778 San Mateo Half Moon Bay, Moist flat on RMC Lonestar property, upper San Vincente Ck watershed Comment
  SEINET7273593 Image available Carex amplifolia L. S. Rose 1933-6-23 33250 San Mateo Kings Mountain Comment
  UC822664  Carex amplifolia H. A. Borthwick 1920-5-18 157 San Mateo Sierra Morena Santa Cruz Mountain Peninsula, Sierra Morena Comment
  UC70629  Carex barbarae J. Burtt Davy 1893-6-17 782 San Mateo Belmont 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
  JROH4323  Carex bolanderi John Rawlings 2010-5-13 1056 San Mateo Jasper Ridge Biological Preserve, Stanford University; 100 feet west of Leonard's Bridge at time of collection. Bridge subsequently extended covering this site. 106 Comment
  CAS-BOT-BC19545  Carex bolanderi W. R. Dudley 1899-5-14 s.n. San Mateo Sant Cruz Mountain Peninsula. Ravine west of Upper San Mateo Creek. Comment
  CAS-BOT-BC34071  Carex brevicaulis W. R. Dudley 1900-3-17 s.n. San Mateo The Santa Cruz Mountain Peninsula. Field north of Seal Cove. Comment
  CAS-BOT-BC176396  Carex densa Peter Rubtzoff 1975-5-21 7976 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC18924  Carex densa John Thomas Howell 1938-5-1 13786 San Mateo Near South San Francisco. Comment
  CAS-BOT-BC18926  Carex densa W. R. Dudley 1894-5-1 s.n. San Mateo Santa Cruz Mountain Peninsula. Woodside to Crystal Springs. Comment
  CAS-BOT-BC18929  Carex densa A. D. E. Elmer 1903-6-1 4428 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC18936  Carex densa Alice Eastwood; John Thomas Howell; J. W. Stacey 1938-4-24 5246 San Mateo Half Moon Bay. Comment
  CAS-BOT-BC18934  Carex densa Lewis S. Rose 1937-5-16 37279 San Mateo South San Francisco. 15 Comment
  CAS-BOT-BC18939  Carex densa W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. Field north of Seal Cove. Comment
  JROH4336  Carex divulsa subsp. divulsa John Rawlings 2013-5-7 1175 San Mateo Jasper Ridge Biological Preserve, Stanford University; on the lake side and near east end of Leonard's Bridge on the bank of the channel 107 Comment
  SEINET4291981 Image available Carex harfordii A. L. Hipp, Pollock, J 1999-1 ah 282 San Mateo Marsh at the mouth of Pescadero Creek, near Pescadero State Beach. North pond, along the edge of trail. Comment
  UCR279902  Carex harfordii Peter Rubtzoff 1975-5-21 7968 San Mateo Central Coast, San Bruno Mountains, 'saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road Junction 220 Comment
  CAS-BOT-BC21808  Carex harfordii Elizabeth McClintock; Paul Reeberg 1989-5-2 s.n. San Mateo Lower Owl Canyon. 45 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-BC119342  Carex obnupta Elizabeth McClintock 1974-11-8 s.n. San Mateo Seepage area on N side of Guadalupe Parkway in the saddle. San Bruno Mt. Comment
  CAS-BOT-BC119343  Carex obnupta Walter Knight; Irja Knight 1963-10-7 323 San Mateo Cow Trough Ravine. San Bruno Mt. Comment
  CAS-BOT-BC176400  Carex obnupta Peter Rubtzoff 1976-6-30 8711 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  RSA796405  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
  CHSC109976  Carex pendula John Rawlings 2011-7-3 San Mateo 200 m E of junction of Purisima Creek Trail and path to Judson Redwood Grove, about 0.5 air miles E of Higgins Canyon Road, Purisima Creek Redwoods Open Space Preserve, W slope of Santa Cruz Mountains, San Francisco Bay (SnFrB). 165 Comment
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Jan 26 2018
  CAS-BOT-BC117642  Carex serratodens LeRoy Abrams 1902-5-4 s.n. San Mateo Woodside. Comment
  CAS-BOT-BC117643  Carex serratodens LeRoy Abrams 1902-5-4 2425 San Mateo Woodside. Comment
  POM193944  Carex serratodens Le Roy Abrams 1902-5-4 2425 San Mateo Woodside. Comment
  UC143773  Carex serratodens C. F. Baker 1902-5-10 811 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC117650  Carex serratodens Lewis Samuel Rose 1936-5-28 36304 San Mateo Emerald L., W of Redwood City. Comment
  SEINET3100624  Carex serratodens Neal Kramer 2012-3-3 2031 a San Mateo Stulsart Park, Redwood City Comment
  SEINET7575213 Image available Carex serratodens Wilhelm Suksdorf 1913-6-23 252 San Mateo Brooklet east of Crystal Springs Lake. Comment
  CAS-BOT-BC173826  Carex subbracteata Peter Rubtzoff; Roman Gankin 1975-5-21 7975 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  SEINET4152292  Carex subbracteata Unknown 1938-5-1 13782 San Mateo Near south San Francisco Comment
  RSA783466  Carex subbracteata Peter Rubtzoff, Roman Gankin 1975-5-21 7975 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction Comment
  RSA789962  Carex subbracteata Peter Rubtzoff 1976-6-30 8707 San Mateo San Bruno Mtns: Saddlle area on north side of Guadalupe Canyon Parkway west of Radio Road junction, westernmost part of the area. Comment
  CAS-BOT-BC115506  Carex tumulicola John Thomas Howell 1938-5-1 13777 San Mateo San Bruno Hills. Comment
  UCD140941  Carex tumulicola S. S. Tillett; I. Sternback 1956-6-25 543 San Mateo On Middleton property s. of road to Portola State Park, just before entrance. 396 Comment
  UC295990  Carpobrotus chilensis H. M. Hall 1926-4-29 12235 San Mateo s of San Francisco (Salida Beach); San Francisco Bay Region, Salida Beach Comment
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Apr 7 2009
  UC32963  Carthamus lanatus F. T. Bioletti 1892-7-31 San Mateo South San Francisco Comment
  SD38150  Castilleja affinis Delzie Demaree 1932-4-9 8976 San Mateo Woods, Gov. Ralph Estate Comment
  JEPS47425  Castilleja affinis subsp. affinis L. R. Heckard 1964-7-26 1423 San Mateo below old road from Skyline Blvd to Edgemar Comment
  JEPS86227  Castilleja affinis subsp. affinis L. R. Heckard 1970-5-5 2452 San Mateo n side San Bruno Mountain (n spur) 60 Comment
  JROH3941  Castilleja affinis subsp. affinis John H. Thomas 1969-6-4 15109 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS88800  Castilleja affinis subsp. affinis T. I. and F. M. Chuang 1991-7-3 7860 San Mateo 1.8 mi sw Interstate 280 junction with Route 92 (on Route 92) Comment
  UCR139351  Castilleja ambigua David D. Keck 1932-4-29 1453 San Mateo San Francisco Bay Region, Burlingame-San Mateo city limits, Bayshore Highway 3 Comment
  POM194753  Castilleja ambigua subsp. ambigua D. D. Keck 1927-6-10 394 San Mateo Radio Station, Montara Point. 0 Comment
  SJSU15806  Castilleja ambigua subsp. ambigua Toni Corelli 2015-5-3 1194 San Mateo Northern edge of Fitzgerald Marine Reserve, and private property adjacent in Moss Beach also know as Vallemar Bluff 14 Comment
  SBBG40478  Castilleja ambigua subsp. ambigua W. J. Dress 1951-5-12 3339 San Mateo 4.5 mi N of Pigeon Point Comment
  SEINET7063806  Castilleja brevistyla A. G. Vestal 1947-4-24 s.n. San Mateo Enclosure at jasper Ridge. UTM Zone 10, 568421mE, 4140420mN. (WGS84/NAD83). 174 Comment
  JROH3980  Castilleja densiflora subsp. densiflora John Hunter Thomas 1978-4-25 19149 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS20314  Castilleja densiflora subsp. densiflora Lewis S. Rose 1956-5-7 56064 San Mateo w of San Mateo (Skyline Blvd) 182 Comment
  CHSC42072  Castilleja foliolosa J. P. Arts 1986-3-30 17 San Mateo Ca. 4.1 miles w of Saratoga on Hwy. 9, ca. 8 miles n of Boulder Creek. 914 Comment
  SD38143  Castilleja foliolosa Delzie Demaree 1932-4-9 8973 San Mateo Dry hillsides. Gov. Rolf Estate Comment
  RSA101001  Castilleja franciscana G. Oberlander 1950-4-23 897 San Mateo North Cahill Ridge, San Francisco Watershed Reserve. Comment
  SD38138  Castilleja franciscana Marie Cummings 1933-5-23 3673 San Mateo Spring Valley Lake 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
  JROH3998  Castilleja rubicundula subsp. lithospermoides John H. Thomas 1974-4-25 17197 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge near the Searsville end Comment
  JROH4009  Castilleja rubicundula subsp. lithospermoides John Hunter Thomas 1989-5-11 24729 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS3599  Castilleja subinclusa subsp. franciscana J. H. Thomas 1949-6-4 597 San Mateo 4 mi w La Honda (on road to Pescadero) Comment
  JEPS103883  Castilleja subinclusa subsp. franciscana T. I. Chuang and F. M. Chuang 1991-7-1 7848 San Mateo 0.8 mile North of San Gregorio Beach Comment
  JEPS88801  Castilleja subinclusa subsp. franciscana T. I. and F. M. Chuang 1991-7-3 7859 San Mateo 0.8 mi sw Interstate 280 junction with Route 92 (on Route 92) Comment
  SJSU11465  Castilleja subinclusa subsp. franciscana A. J. Hutchko 1962-5-20 San Mateo foot of Grove St, Half Moon Bay Comment
  CDA930  Castilleja wightii D. G. Kelch, B. G. Baldwin, Sue Bainbridge, Abigail Moore 2005-6-21 5 .371 San Mateo S.F. Water District land, near Spring Valley. NE corner Pilarcitos Lake. Comment
  JEPS18908  Castilleja wightii Rimo Bacigalupi with G. Thomas Robbins 1955-8-4 5446 San Mateo 1.1 mi n Montara, n limits of town (along Calif Hwy 1, a w end of Montara Mountain); Montara Mountain Comment
  JEPS20780  Castilleja wightii Lawrence Beane 1949-6-2 484 San Mateo s of Pescadero (beyond lighthouse on hillside, Highway 1) Comment
  JEPS21809  Castilleja wightii Alvin W. Urquhart 1958-4-20 36 San Mateo n of Pomponio Creek (along State Hwy 1) 124 Comment
  JEPS60422  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-21 6662 b San Mateo about 2 mi s Half Moon Bay road junction and Skyline Boulevard Comment
  JEPS6880  Castilleja wightii Rimo Bacigalupi with J. R. Sweeney 1954-8-3 4739 San Mateo lower slopes Lobitos Canyon (0.25 mi e of and above the junction of the road up the canyon with the old coast road) 97 Comment
  UC144532  Castilleja wightii unknown May 1902 799 San Mateo King's Mt. Comment
  JEPS6921  Castilleja wightii Rimo Bacigalupi with G. Thomas Robbins 1954-6-18 4553 San Mateo 0.25 mi w (and below) Alpine Road junction with road to Portola State Park (along Alpine Road) 426 Comment
  JEPS88829  Castilleja wightii T. I. and F. M. Chuang 1991-7-1 7847 San Mateo ca 7 mi s Halfmoon Bay Comment
  SJSU11476  Castilleja wightii S. H. Casey 1969-5-18 250 San Mateo San Bruno Mt below Fern Rock Comment
  CAS-BOT-BC39389  Caulanthus lasiophyllus Ned Cahill 1974-4-29 170 San Mateo Near the intersection of Canada and Edgewood roads, about 3 miles westward from Redwood City. Comment
  JROH1524  Caulanthus lasiophyllus John H. Thomas 1967-5-31 12940 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1527  Caulanthus lasiophyllus John H. Thomas 1971-4-10 15759 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1531  Caulanthus lasiophyllus John Rawlings, Ann Lambrecht 2010-5-5 1098 San Mateo Jasper Ridge Biological Preserve, Stanford University; open area up-slope side of the long, straight stretch of Trail 9 158 Comment
  CAS-BOT-BC39384  Caulanthus lasiophyllus Walter Knight; Irja Knight 1965-5-9 1103 San Mateo San Bruno Mountains. Devil's Arroyo. Comment
  CAS-BOT-BC39386  Caulanthus lasiophyllus Roxania Strichfield 1910-4-30 490 San Mateo Santa Cruz Mountain Peninsula. Hills near Felt Lake. Comment
  CAS-BOT-BC47932  Ceanothus Fred Hemphill 1973-4-15 669 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 182 Comment
  CAS-BOT-BC48395  Ceanothus cuneatus var. cuneatus A. D. E. Elmer 1903-3-1 4578 San Mateo Portola Comment
  CAS-BOT-BC48397  Ceanothus cuneatus var. cuneatus Mrs. Campbell; Mrs. Miere 1920-3-1 s.n. San Mateo Los Altos Comment
  RSA169355  Ceanothus cuneatus var. dubius L. S. Rose 1964-3-23 64011 San Mateo Emerald Lake, hills W of Redwood City. 122 Comment
  CAS-BOT-BC50042  Ceanothus incanus Walter Knight; James B. Roof 1965-5-9 1136 San Mateo Brotherhood Way - Daly City Comment
  CAS-BOT-BC51605  Ceanothus oliganthus var. sorediatus Brandegee 1889-4-1 38 San Mateo Mts. bet. San Francisco and Santa Cruz Comment
  CAS-BOT-BC51608  Ceanothus oliganthus var. sorediatus James McMurphy 1906-4-4 s.n. San Mateo Los Trancos Creek, above Judge Allan's Comment
  JROH3528  Ceanothus oliganthus var. sorediatus Arthur Spiegler 1952-4-12 12 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3529  Ceanothus oliganthus var. sorediatus John H. Thomas 1967-4-20 12710 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM136517  Ceanothus oliganthus var. sorediatus A. D. E. Elmer 1903-05 4479 San Mateo Towards San Mateo; Crystal Springs Lake. Comment
  RSA15203  Ceanothus oliganthus var. sorediatus Carl B. Wolf 1926-10-19 s.n. San Mateo Near La Honda. Santa Cruz Mts. Comment
  CAS-BOT-BC52295  Ceanothus thyrsiflorus J. I. McMurphy 1906-5-8 12 San Mateo Woodside, Santa Cruz Mts. 121 Comment
  CAS-BOT-BC52298  Ceanothus thyrsiflorus Miss O. Boring 1897-8-25 s.n. San Mateo Near Kings Mt. House, Kings Mountain Comment
  CAS-BOT-BC52304  Ceanothus thyrsiflorus A. D. E. Elmer 1903-6-1 4603 San Mateo Lake San Andreas Comment
  CAS-BOT-BC52306  Ceanothus thyrsiflorus Mrs. Ernest Meiere 1920-5-2 s.n. San Mateo Los Altos Comment
  CAS-BOT-BC52309  Ceanothus thyrsiflorus Josephine D. Randall 1907-6-29 322 San Mateo Kings Mt. Comment
  HSC18329  Ceanothus thyrsiflorus L. S. Rose 1963-4-27 63004 San Mateo La Honda 122 Comment
  SJSU5728  Ceanothus thyrsiflorus L. S. Rose 1963-4-27 63004 San Mateo La Honda 121 Comment
  UCSB3904  Ceanothus thyrsiflorus var. griseus Walker, Clifford 1954-4-20 San Mateo Woodside Rd. 1 mi. E. Woodside 3 Comment
  JROH589  Centaurea calcitrapa John H. Thomas 1974-8-3 17500 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC274587  Centaurea calcitrapa George Oberlander 1949-9-25 395 San Mateo San Francisco Watershed Reserve. North of San Andreas Lake Comment
  CAS-BOT-BC277124  Centaurea melitensis J. H. Thomas 1958-6-11 7224 San Mateo About 4.3 miles due east of Belmont near Crystal Springs Reservoir 91 Comment
  CDA7169  Centaurea melitensis D. G. Kelch 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  JROH598  Centaurea melitensis John H. Thomas 1962-6-10 9909 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM54379  Centaurea melitensis A. D. E. Elmer 1903-06 4281 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC277121  Centaurea melitensis Margaret A. Barry 1937-6-22 167 San Mateo Exposed top of Coal Mine Ridge Comment
  CAS-BOT-BC277125  Centaurea melitensis Walter Knight; Irja Knight 1964-5-30 606 San Mateo San Bruno Mountain. Along north side of freeway - Colma Canyon. About across from Indian Head Rock Comment
  CAS-BOT-BC277128  Centaurea melitensis John H. Thomas 1963-7-19 10199 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  JROH606  Centaurea solstitialis John Hunter Thomas 1981-10-25 20769 San Mateo Jasper Ridge Biological Preserve, Stanford University; near main gate Comment
  SJSU15418  Centaurium tenuiflorum Toni Corelli 2011-8-25 708 San Mateo Ano Nuevo State Park, Cove Beach 7 Comment
  CAS-BOT-BC272815  Centromadia parryi subsp. parryi James McMurphy 1908-10-18 s.n. San Mateo Cooley's Landing Comment
  CAS-BOT-BC272819  Centromadia parryi subsp. parryi Lewis S. Rose 1931-8-28 s.n. San Mateo Salada Comment
  SEINET8734815 Image available Centromadia pungens Lewis S. Rose 1938-1 38231 San Mateo San Mateo 6 Comment
  JEPS85229  Centunculus minimus Roy E. Buck, James A. West 1985-4-29 525 San Mateo 1.9 air km ene of Franklin Point (Cascade Ranch, 0.8 air km ne of Whitehouse Canyon Rd and Hwy 1 jct, just n of Whitehouse Canyon Rd,); Cascade Ranch 365 Comment
  JROH1695  Cerastium glomeratum John H. Thomas 1975-4-18 17786 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1697  Cerastium glomeratum John Hunter Thomas 1992-4-23 25145 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1694  Cerastium glomeratum John H. Thomas 1975-4-5 17709 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC166933  Cerastium holosteoides Peter Rubtzoff 1977-11-24 9141 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  CAS-BOT-BC400167  Ceratophyllum demersum James McMurphy 1905-10-29 s.n. San Mateo Lake above Portola Comment
  JROH3616  Cercocarpus betuloides var. betuloides L. R. Abrams 1916-2-22 7242 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake Comment
  JROH3625  Cercocarpus betuloides var. betuloides D. E. Breedlove 1971-5-31 19374 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  CDA4771  Chamaesyce serpens J. T. Howell 1979-8-11 53359 San Mateo Airport Sheraton, Airport Boulevard, Burlingame. 0 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
  SEINET5765025 Image available Chenopodium macrospermum var. halophilum L. R. Abrams, I. L. Wiggins 1930-1 I 78 San Mateo Salada Beach Comment
  UC1076471  Chenopodium multifidum Herbert L. Mason 1924-10-19 1115 San Mateo Colma Comment
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Apr 6 2009
  RSA10407  Chenopodium murale C. B. Wolf 1927-6-15 2167 San Mateo Along Skyline Drive, 8 mi. S of San Francisco. Comment
  JEPS59761  Chenopodium rubrum L. M. Booth 1932-10-29 2116 San Mateo between San Bruno Mt. and R.R. track (bottom of dry pond); South San Francisco Comment
  JROH5858  Chenopodium rubrum var. humile Toni Corelli 2003-11-29 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; dry lake bed, Corte Madera Creek delta Comment
  CAS-BOT-BC497723  Chlorogalum pomeridianum Fred Hemphill 1973-5-14 818 San Mateo San Carlos, Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC497722  Chlorogalum pomeridianum Cherie Wetzel 1969-6-20 868 San Mateo Serpentine near Canada College, Redwood City, just off of Farm Hill Blvd Comment
  CAS-BOT-BC497731  Chlorogalum pomeridianum George Oberlander 1950-6-3 1039 San Mateo South San Andreas Lake Comment
  HSC15442  Chlorogalum pomeridianum var. divaricatum J. Wendell Howe 1930-5-27 152 San Mateo Pebble Beach, near ocean Comment
  JROH4650  Chlorogalum pomeridianum var. pomeridianum John Hunter Thomas 1981-5-19 20605 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC162391  Chorizanthe cuspidata var. cuspidata A. A. Heller 1906-6-8 8383 San Mateo near Ocean View, San Francisco; near Ocean View, San Francisco Comment
  SEINET10623943 Image available Chorizanthe cuspidata var. marginata Adolph D. E. Elmer Elmer 4828 San Mateo San Pedro, California. Comment
  CAS-BOT-BC36406  Chrysolepis chrysophylla D. E. Breedlove 1974-5-13 36213 San Mateo Brushy slopes San Pedro Valley Park, Pacifica 152 Comment
  POM270420  Chrysolepis chrysophylla Lyman Benson 1932-7-25 3953 San Mateo Kings Mt. above Woodside; San Francisquito Cr. watershed. 305 Comment
  UC1135216  Chrysolepis chrysophylla var. minor C. M. Belshaw 1935-1-25 1468 San Mateo 2.5 mi nw Sierra Moreno Peak; Santa Cruz Quad. 457 Comment
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Oct 3 2011
  SD38231  Chrysolepis sempervirens Edith A. Purer 1932-7-18 4001 San Mateo King Mountain Comment
  JROH2586  Cicendia quadrangularis John H. Thomas 1973-4-20 16579 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA3890  Cirsium brevistylum I. L. Wiggins 1929-7-4 3787 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  CAS-BOT-BC277884  Cirsium brevistylum Mrs. E. C. Sutliffe 1933-7-26 s.n. San Mateo Lobitos Canyon Comment
  CAS-BOT-BC277885  Cirsium brevistylum George Oberlander 1949-7-24 283 San Mateo San Francisco Watershed Reserve. North of San Andreas L. Comment
  CAS-BOT-BC277888  Cirsium brevistylum Phillip C. Wheeler 1965-5-11 s.n. San Mateo San Bruno Mountain. Southwest ravine below NBC Towers Comment
  CAS-BOT-BC100940  Cirsium fontinale var. fontinale Lewis S. Rose 1959-6-18 59027 San Mateo Crystal Springs Lake near County Relief Home. Type Locality 121 Comment
  UC1416521  Cirsium fontinale var. fontinale George E. Pilz 1965-7-12 114 San Mateo e side of Crystal Springs Reservoir South Coast Ranges 121 Comment
  RSA0008390  Cirsium fontinale var. fontinale J. T. Howell 1939-6-16 14743 San Mateo Crystal Springs Lake. Comment
  JROH629  Cirsium occidentale var. occidentale John H. Thomas 1974-6-30 17466 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM54352  Cirsium occidentale var. venustum A. D. E. Elmer 1903-06 4259 San Mateo Crystal Springs Lake. Comment
  RSA176529  Cirsium occidentale var. venustum John H. Thomas 1963-6-23 10169 San Mateo Jasper Ridge Biological Experimental Area, about 5 mi SW of Palo Alto. Along road at Westridge end of ridge Comment
  UC306686  Cirsium occidentale var. venustum A. D. E. Elmer 1903-6-1 4259 San Mateo Crystal Springs Lake Comment
  UC30812  Cirsium occidentale var. venustum Alice Eastwood 1896-5-1 San Mateo Crystal Springs Comment
  RSA101025  Cirsium occidentale var. venustum G. Oberlander 1949-6-25 251 San Mateo E of Sawyer Ridge, San Francisco Watershed Reserve Comment
  RSA18506  Cirsium occidentale var. venustum C. B. Wolf 1927-7-14 614 San Mateo Summit of Kings Mountain Rd. Comment
  UC1211948  Cirsium vulgare Otto T. Solbrig 1958-8-3 2920 San Mateo near road Highway 5; Crystal Spring Lake 30 Comment
  RSA155840  Cirsium vulgare Peter H. Raven 1961-8-24 16585 San Mateo East side of Crystal Springs Lake Comment
  CAS-BOT-BC160925  Clarkia amoena subsp. amoena David D. Keck 1934-7-7 2937 San Mateo South of the mouth of Tunitas Creek, on slopes overlooking the ocean Comment
  POM271758A  Clarkia purpurea subsp. purpurea Lyman Benson 1930-5-12 2121 San Mateo Lake Searsville, Stanford University; Santa Cruz mountain range, San Francisco Bay drainage area. 152 Comment
  CAS-BOT-BC163922  Clarkia purpurea subsp. quadrivulnera A. A. Heller 1906-6-8 8382 San Mateo Near Ocean View, San Francisco, on the Lake Merced side of the Ocean Shore tracks Comment
  CAS-BOT-BC163967  Clarkia purpurea subsp. quadrivulnera W. R. Dudley 1894-7-30 s.n. San Mateo Near La Honda Comment
  JEPS127894  Clarkia purpurea subsp. quadrivulnera Adam C. Schneider 2013-5-17 178 San Mateo Comment
  RSA448311  Clarkia purpurea subsp. quadrivulnera H. F. Copeland 1929-7-4 1250 San Mateo La Honda Grade Comment
  CAS-BOT-BC164564  Clarkia purpurea subsp. viminea Ned Cahill 1974-4-29 208 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City 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-BC165146  Clarkia rubicunda Phillip C. Wheeler 1965-6-19 s.n. San Mateo [Serra] Sierra Point Comment
  CAS-BOT-BC165170  Clarkia rubicunda L. R. Abrams 1907-8-26 s.n. San Mateo Kings Mountain Comment
  JROH3019  Clarkia rubicunda John H. Thomas 1974-6-30 17457 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC107828  Clarkia rubicunda Katharine Brandegee 1905-6-20 San Mateo near Half Moon Bay; Moss Beach Comment
  UC762860  Clarkia rubicunda R. F. Hoover 1941-5-20 5108 San Mateo Redwood City hills Comment
  UCR253362  Clarkia rubicunda R. F. Thorne, Percy C. Everett 1965-8-1 35076 San Mateo 21.5 miles south of Golden Gate Bridge 69 Comment
  CAS-BOT-BC165166  Clarkia rubicunda A. G. Vestal 1937-6-15 s.n. San Mateo About 1/4 mi north from site of former hotel Pebble Beach near Pescadero Comment
  UCD104830  Clarkia rubicunda W. A. Harvey; J. M. Tucker 1948-6-29 1709 San Mateo Beside road to Portola State Park, just W of junction with Highway 5 (Skyline Boulevard). Comment
  RSA209471  Clarkia rubicunda subsp. blasdalei R. Setzer 1969-7-18 3366 San Mateo Montara Beach Comment
  SEINET4149811  Clarkia rubicunda subsp. blasdalei K. Brandegee s.n. San Mateo Between San Pedro and Moss Beach Comment
  CAS-BOT-BC165599  Clarkia unguiculata A. D. E. Elmer 1903-6-1 4293 San Mateo Alpine School House Comment
  CAS-BOT-BC165598  Clarkia unguiculata A. J. Dengler 1972-6-25 s.n. San Mateo Where the trail from the top of J. R. joins that along S. F. Cr. Comment
  JROH3331  Claytonia exigua subsp. exigua John H. Thomas 1958-2-15 6992 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC439290  Claytonia exigua subsp. exigua H. A. Dutton 1900-2-25 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  CAS-BOT-BC439593  Claytonia parviflora subsp. parviflora H. A. Dutton 1900-2-11 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  JROH3341  Claytonia parviflora subsp. parviflora John Rawlings, Ann Lambrecht 2010-5-5 1096 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 9 just south of the dwarf interior live oaks. 144 Comment
  CAS-BOT-BC439592  Claytonia parviflora subsp. parviflora W. R. Dudley 1896-4-17 s.n. San Mateo Pescadero Creek Comment
  SJSU10609  Clematis lasiantha E. C. Carbett 1961-4-8 284 San Mateo Searsville L Park at head of San Francisquito Cr Comment
  JROH2873  Clinopodium douglasii John H. Thomas 1970-1-1 15499 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC499400  Clintonia andrewsiana W. R. Dudley 1895-6-4 s.n. San Mateo Pescadero Creek near Iverson's Comment
  SEINET12044200  Clintonia andrewsiana D. D. Keck 1932-1 1797 San Mateo 1 mi W of Skyline Blvd. on La Honda Rd, Santa Cruz Mts Comment
  JEPS6369  Collinsia heterophylla Rimo Bacigalupi and G. T. Robbins 1954-6-18 4551 San Mateo 1/4 mi w, along Alpine Rd Skyline Blvd 701 Comment
  CAS-BOT-BC240922  Collinsia multicolor Dr. E Goodman 1922-5-23 s.n. San Mateo San Bruno hills Comment
  CAS-BOT-BC240923  Collinsia multicolor A. A. Heller 1907-4-25 8463 San Mateo San Bruno Hills Comment
  CAS-BOT-BC240931  Collinsia multicolor C. F. B. 1902-4-6 647 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC240934  Collinsia multicolor Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo San Bruno Mountain. Colma Canyon Comment
  JEPS127810  Collinsia sparsiflora Adam C. Schneider with C. Matt Guilliams 2013-4-7 72 San Mateo Comment
  JROH4020  Collinsia sparsiflora var. collina Kent E. Holsinger 1981-4-15 342 San Mateo Jasper Ridge Biological Preserve, Stanford University; at the junction of the road to the green shack and the trail up from San Francisquito Creek 160 Comment
  UC729639  Collomia heterophylla Carl B. Wolf 1929-5-25 3725 San Mateo 1/2 mi n La Honda Grade (on road to Woodside) 121 Comment
  UCR121542  Collomia heterophylla George K. Helmkamp, E. A. Helmkamp 1999-6-28 4978 San Mateo Pescadero Creek Watershed, Pescadero Road just north of Loma Mar 107 Comment
  RSA101013  Collomia heterophylla G. Oberlander 1950-4-23 816 San Mateo Pilarcitos Canyon, San Francisco Watershed Reserve Comment
  RSA59639  Collomia heterophylla Verne Grant, Alva Grant 1950-6-28 8921 San Mateo west side of Kings Mt. on Tunitas Creek road Comment
  UC1348938  Conioselinum pacificum Robert F. Thorne and P. Everett 1963-6-9 32237 San Mateo top of San Bruno Mountain 335 Comment
  JROH212  Conium maculatum John H. Thomas 1977-4-29 18576 San Mateo Jasper Ridge Biological Preserve, Stanford University; below Searsville Dam Comment
  UC1122927  Conium maculatum G. E. Sindel 1935-7-22 293 San Mateo 1 mi s of Pescadero 30 Comment
  UC140526  Conium maculatum C. F. Baker 1902-12-1 196 San Mateo Pacific Coast, Summit of Coast Range Coast Range; Pacific Coast, Coast Range Comment
  JROH1853  Convolvulus arvensis John Hunter Thomas 1986-6-3 24078 San Mateo Jasper Ridge Biological Preserve, Stanford University; old racing bowl Comment
  JROH1848  Convolvulus arvensis John Hunter Thomas 1978-5-12 19200 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA120503  Corallorhiza maculata S. S. Tillett, I. Sternback 1956-6-24 533 San Mateo Middleton property, behind (N.) Portola Camp Store, just outside Portola State Park. 396 Comment
  SEINET5796159 Image available Cordylanthus pilosus L. S. Rose 1941-1 41362 San Mateo Woodside. Comment
  POM263616  Cordylanthus pilosus subsp. pilosus L. S. Rose 1941-8-9 41362 San Mateo Woodside. 60 Comment
  RSA181266  Cordylanthus pilosus subsp. pilosus John H. Thomas 1958-8-1 7377 San Mateo Between Searsville and Skyline. Comment
  RSA130827  Cordylanthus rigidus subsp. rigidus W. R. Dudley 1902-9-1 s.n. San Mateo Whipple Road near Crystal Springs Lake. Comment
  CAS-BOT-BC101475  Corethrogyne filaginifolia J. H. Thomas 1958-6-11 7221 San Mateo About 4.3 miles due east of Belmont near Crystal Springs Reservoir 91 Comment
  CAS-BOT-BC101478  Corethrogyne filaginifolia C. F. B. 1902-5-10 810 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC101481  Corethrogyne filaginifolia W. R. Dudley 1896-4-6 s.n. San Mateo Near Crystal Springs Comment
  UC87472  Corethrogyne filaginifolia Katharine Brandegee 1905-6-20 San Mateo near Lake Pilarcitos Comment
  POM57992  Corethrogyne filaginifolia var. californica C. F. Baker 1902-5-10 810 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC209817  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-BC210352  Cornus sericea J. I. McMurphy 1906-5-11 22 San Mateo Santa Cruz Peninsula. Los Trancos Creek, Santa Cruz Mts. Comment
  CAS-BOT-BC210353  Cornus sericea W. R. Dudley 1894-4-21 s.n. San Mateo Santa Cruz Peninsula. San Mateo Creek Comment
  CAS-BOT-BC210360  Cornus sericea Walter Knight; Walter Knight 1963-6-24 s.n. San Mateo San Bruno Mountain. Quarry 4 Comment
  SJSU128  Cornus sericea T. Merson 1933-10-4 San Mateo by Mud Lakes near Coal Mine Ridge above Corte Madera Cr 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
  JROH1867  Cornus sericea subsp. sericea John Hunter Thomas 1981-4-21 20460 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1878  Cornus sericea subsp. sericea John Hunter Thomas 1987-5-26 24311 San Mateo Jasper Ridge Biological Preserve, Stanford University; along causeway Comment
  JROH1885  Cornus sericea subsp. sericea John Hunter Thomas 1992-7-24 25383 San Mateo Jasper Ridge Biological Preserve, Stanford University; causeway and boat ramp, 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
  LA204122  Corylus cornuta subsp. californica D. Keck; 1932-2-12 1362 San Mateo Santa Cruz Mountains, La Honda road, E-slope of Coast Range above Searsville Lake 300.0 Comment
  UCD110057  Corylus cornuta subsp. californica Franklin W. Martin; Madelain N. Martin 1960-3-26 47 San Mateo YMCA camp 10 miles east of Pescadero. 152 Comment
  JROH3641  Cotoneaster pannosus John Hunter Thomas 1982-10-16 21181 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC291415  Cotula coronopifolia Josephine D. Randall 1911-3-27 s.n. San Mateo Between Pacific Grove and Moss Beach, Monterey Peninsula Comment
Read comments
Oct 27 2021
  CAS-BOT-BC291477  Cotula coronopifolia John Thomas Howell 1924-9-28 660 San Mateo Leslie Salt Rifinery, San Mateo Comment
  UC1192140  Cotula coronopifolia Malcolm A. Nobs and S. Galen Smith 1949-8-26 1591 San Mateo marshes at mouth Pescadero Creek Comment
Read comments
Feb 28 2011
  JEPS50002  Crassula aquatica F. T. Bioletti June, 1893 San Mateo Lake Pilarcitos Comment
  CAS-BOT-BC427607  Crassula aquatica W. R. Dudley 1910-5-26 s.n. San Mateo Santa Cruz Mountain Peninsula. Coal Mine Ridge, Black Mountain Comment
  CAS-BOT-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
  CDA21572  Crepis vesicaria subsp. taraxacifolia D. G. Kelch 2000-4-8 0 .139 San Mateo S of Woodside along I-680. Comment
  JROH1838  Crocanthemum scoparium John H. Thomas 1977-5-4 18600 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4976  Crypsis schoenoides Herbert Dengler 1961-1-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Pond bottom (W. of Portola Road). Comment
  CAS-BOT-BC189264  Cryptantha W. R. Dudley 1906-6-9 s.n. San Mateo Tunitas Road Comment
  RSA10273  Cryptantha clevelandii var. florosa H. A. Barker 1927-5-14 671 San Mateo North of Half Moon Bay. Comment
  UCSC007737  Cryptantha leiocarpa Becky Hendricks 2012-5-15 s.n. San Mateo Ano Nuevo State Park Comment
  JROH5593  Cryptantha micromeres John Rawlings 2013-4-19 1179 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Trail 11 in chaparral. 144 Comment
  JROH1381  Cryptantha microstachys Toni Corelli 2007-5-2 334 San Mateo Jasper Ridge Biological Preserve, Stanford University. Upslope along Trail b 142 Comment
  JROH6202  Cryptantha torreyana var. pumila John Rawlings 2014-5-6 1231 San Mateo Jasper Ridge Biological Preserve, Stanford University; on the top of Trevor's Knoll, about 70 m north of Trail 10. 181 Comment
  RSA704404  Cupressus abramsiana subsp. butanoensis John Silba 2004-12-28 B- 424 San Mateo CA., San Mateo County., Pescadero County Park, on Botano Ridge, ca. 5-5.5 miles East of Dearborn Park Road, 375 Comment
  RSA735619  Cupressus abramsiana subsp. butanoensis John Silba 2004-12-28 B- 421 San Mateo Pescadero County Park, on Butano Ridge, ca. 5 miles east of Dearborn Park Road. 427 Comment
  CAS-BOT-BC80654  Cupressus goveniana W. R. Dudley s.n. San Mateo Ridge between Pescadero and Butano. Santa Cruz Mountains Comment
  SEINET3863379 Image available Cupressus macrocarpa Lois R. O'Brien 1963-3-9 95 San Mateo San Bruno Mountains, on Radio Road 1 mile from Estrada Way. Southeast facing slope at road.; 0 137 Comment
  CAS-BOT-BC224412  Cuscuta californica George Oberlander 1950-7-15 1040 San Mateo San Francisco Watershed Reserve Comment
  CAS-BOT-BC224413  Cuscuta californica Josephine D. Randall 1907-7-23 107 San Mateo Santa Cruz Peninsula. Near Crystal Springs Lake Comment
  RSA130967  Cuscuta salina S. D. Halsey 1908-9-26 s.n. San Mateo near Cooley's Landing Comment
  CDA5329  Cyclospermum leptophyllum J. T. Howell 1975-9-13 51507 San Mateo Hillside Street just west of El Camino, Burlingame. 0 Comment
  UCD127346  Cyclospermum leptophyllum John Thomas Howell 1975-9-13 51507 San Mateo Hillside Street just west of El Camino, Burlingame. Comment
  UCD34111  Cyclospermum leptophyllum Beecher Crampton 1976-7-31 9404 San Mateo Redwood City. Comment
  CAS-BOT-BC287337  Cynara cardunculus John Thomas Howell 1956-11-14 31961 San Mateo Bayshore Highway just S of Main St, Redwood City Comment
  CAS-BOT-BC287341  Cynara cardunculus John Thomas Howell 1956-11-14 31961 San Mateo Bayshore Highway just S of Main St, Redwood City Comment
  CAS-BOT-BC190209  Cynodon dactylon Ira L. Wiggins 1980-8-29 22257 San Mateo Gravelly bed of San Francisquito Creek, ca. 75 m upstream from Pope Street bridge, Menlo Park. Comment
  JROH1394  Cynoglossum grande John Hunter Thomas 1981-5-14 20573 San Mateo Jasper Ridge Biological Preserve, Stanford University; near old shack riders shack Comment
  RSA291933  Cynoglossum grande Robert A. Norris, John L. Inase, Willie J. Roberts, Nelson R. Powers 1982-1-30 4326 San Mateo Perennials along Chickadee Trail, Huddart County Park, ca. 3 1/2 miles W Woodside. 274 Comment
  UC572651  Cynoglossum grande Howard T. Morse 1937-4-13 San Mateo Loma Mar Comment
  UC676736  Cynoglossum grande Reed C. Rollins 1941-2-22 2942 San Mateo 8 mi. n.w. Palo Alto Comment
  POM290779  Cyperus eragrostis Lyman Benson 1937-7-8 8446 San Mateo Lake Searsville, Stanford University; Santa Cruz Mt. Range 122 Comment
  UCD141113  Cyperus eragrostis Lewis S. Rose 1965-9-20 65107 San Mateo Burlingame, Trousdale Dr. and California Dr. 9 Comment
  CAS-BOT-BC198211  Cytisus striatus Elizabeth McClintock; Paul Reeberg 1988-4-7 s.n. San Mateo Base of Quarry, San Bruno Mountains Comment
  JROH5020  Dactylis glomerata John Hunter Thomas 1980-5-27 19990 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5038  Danthonia californica John H. Thomas 1968-5-3 14437 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5039  Danthonia californica John H. Thomas 1970-4-28 15606 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4163  Datura stramonium John H. Thomas 1976-10-16 18409 San Mateo Jasper Ridge Biological Preserve, Stanford University. Now dry delta in Searsville Lake at the mouth of Corte de Madera Creek Comment
  JEPS20107  Deinandra corymbosa Peter H. Raven 1957-9-1 11295 San Mateo 1.1 mi s Pigeon Point Lighthouse Comment
Read comments
Aug 2 2007
  SFV3974  Deinandra corymbosa J. Turner, F. M. Ball 1962-7-7 s. n. San Mateo Highway 1, almost 10 miles north of Santa Cruz County line Open roadside. 30 Comment
  UC897706  Deinandra corymbosa Lewis S. Rose 1937-8-29 37644 San Mateo Moss Beach 15 Comment
  CAS-BOT-BC299197  Deinandra corymbosa subsp. corymbosa J. H. Thomas 1949-10-16 1152 San Mateo Just north of outlet of San Gregorio Creek Comment
  CAS-BOT-BC299213  Deinandra corymbosa subsp. corymbosa Fred Hemphill 1973-5-14 819 San Mateo Area north of Malabar Road adn Melendy Drive 207 Comment
  CAS-BOT-BC299212  Deinandra corymbosa subsp. corymbosa R. F. Hoover 1966-8-27 9942 San Mateo Half Moon Bay Comment
  CAS-BOT-BC299230  Deinandra corymbosa subsp. corymbosa David D. Keck 1931-10-5 1295 San Mateo Skyline Boulevard, summit of Cahill Ridge, 1.5 miles south of Half Moon Bay Road 450 Comment
  UC897723  Deinandra lobbii Roxana Stinchfield 1915-10-14 258 San Mateo near Stanford University (hills above Basaltic Columns); Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC389749  Delphinium M. Danielson 1967-4-30 s.n. San Mateo Old road above Crystal Springs Rd. on S.F. Watershed lands Comment
  CAS-BOT-BC9218  Delphinium californicum M. K. Curran 1884-1-1 s.n. San Mateo at Colma near San Francisco Comment
  JROH3428  Delphinium californicum subsp. californicum John H. Thomas 1969-5-28 15080 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3440  Delphinium californicum subsp. californicum John Hunter Thomas 1989-5-11 24730 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along road near and below dam Comment
  CAS-BOT-BC10290  Delphinium hesperium Ned Cahill 1974-5-13 277 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi. westward from Redwood City Comment
  UC9179  Delphinium hesperium subsp. pallescens J. Burtt Davy Jun 21 1893-Jun 23 1893 1152 San Mateo Pilarcitos Lake and Canyon Comment
  CAS-BOT-BC9869  Delphinium nudicaule Oliver Norvell 1931-4-18 1417 San Mateo Kings Mountain road. Comment
  RSA18089  Delphinium patens Carl B. Wolf 1929-4-26 3659 San Mateo Woodside. Comment
  CAS-BOT-BC116526  Delphinium patens subsp. patens C. B. Wolf 1929-4-26 3659 San Mateo Woodside Comment
  JROH3461  Delphinium patens subsp. patens John Hunter Thomas 1991-4-11 24987 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC7893  Delphinium variegatum C. F. Baker 1902-4-6 458 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC7888  Delphinium variegatum LeRoy Abrams 1902-5-4 2410 San Mateo not specified Comment
  CAS-BOT-BC7892  Delphinium variegatum H. Paul Arnaud 1941-5-3 s.n. San Mateo Jefferson Avenue, Redwood City Comment
  CAS-BOT-BC7938  Delphinium variegatum John Hunter Thomas 1967-5-2 12815 San Mateo Along Skyline Blvd. 0.4 miles S of Black Mt. Road intersection, Hillsborough Comment
  SEINET12099656  Delphinium variegatum M. T. Doutt 1931-1 s.n. San Mateo Skyline Blvd, W of Hillbrae Comment
  SEINET13094860  Delphinium variegatum f. superbum David D. Keck 1933-5-11 2309 San Mateo Crystal Springs Lake, on open slopes about east side of lake. Comment
  JEPS127792  Delphinium variegatum subsp. variegatum Adam C. Schneider with C. Matt Guilliams 2013-4-7 63 San Mateo 1+ m away from dirt road running parallel to overhead power transmission lines. GPS coordinates approximate. Comment
  JEPS23360  Delphinium variegatum subsp. variegatum W. L. Jepson 1914-3-22 5734 San Mateo Redwood Farm Redwood City (home of Mr. and Mrs. J. W. Goodwin) 30 Comment
  CAS-BOT-BC192596  Deschampsia cespitosa subsp. holciformis L. R. Abrams 1932-5-26 s.n. San Mateo Hillside Drive, Burlingame Comment
  CAS-BOT-BC192600  Deschampsia cespitosa subsp. holciformis H. L. Mason 1921-5-28 s.n. San Mateo Pebble Beach near Pescadero Comment
  JROH5048  Deschampsia danthonioides John H. Thomas 1975-5-26 17917 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5053  Deschampsia danthonioides John Hunter Thomas 1989-5-3 24653 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA1962  Desmazeria rigida W. Davis 1971-5-27 San Mateo 263 Cerrito Avenue, Redwood City. 0 Comment
  CAS-BOT-BC905  Dicentra chrysantha Mrs. Ernest Meiere 1916-6-1 s.n. San Mateo Mt. Diablo Comment
  UCR51654  Dicentra formosa R. Ascanio 1988-4-17 s.n. San Mateo E on Gazo Creek Road off Hwy 1, c. 2 mi. north of Ano Nuevo State Reserve 85 Comment
  CAS-BOT-BC704  Dicentra formosa subsp. formosa Peter Rubtzoff 1953-5-14 1340 San Mateo Pilarcitos Creek canyon, 1 to 2 miles downstream from Pilarcitos Lake. Comment
  CAS-BOT-BC705  Dicentra formosa subsp. formosa Walter Knight; Irja Knight 1964-5-30 614 San Mateo Guadalupe Road near big rock at Guadalupe Creek. Comment
  CAS-BOT-BC500928  Dichelostemma capitatum Ned Cahill 1974-4-23 164 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC500929  Dichelostemma capitatum John H. Thomas 1971-5-2 15849 San Mateo Near the intersection of Canada and Edgewood roads, about 4 mi SW of center of Redwood City 304 Comment
  CAS-BOT-BC500932  Dichelostemma capitatum Javier Penalosa 1963-2-23 2661 San Mateo San Bruno Mtn. Ravine south of Crocker Ave. 182 Comment
  CAS-BOT-BC500933  Dichelostemma capitatum Catherine A. Toschi 1963-2-23 63 :21 San Mateo North slope San Bruno Mountains above Crocker Avenue 152 Comment
  SEINET10833780  Dichelostemma capitatum Charles F. Baker 1902-5-4 Baker 76 San Mateo Woodside, Calif. Common in places near rocky outcrops. Comment
  IRVC9053  Dichelostemma capitatum subsp. capitatum P. W. Rundel 1962-4-15 1030 San Mateo La Canada Road; 1 mi. N of Pulgas Water Temple. 122 Comment
  CHSC56594  Digitalis purpurea Steven Triano 1988-5-24 168 San Mateo Along se side of Old La Honda Road ca 0.5 air miles e of SkyLonda. 405 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
  JEPS127891  Dipsacus sativus Adam C. Schneider with C. Matt Guilliams and Will Freyman 2014-6-24 301 San Mateo Crystal Springs Reservoir Comment
  RSA187291  Dipsacus sativus John H. Thomas 1964-11-15 10528 -A San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto Comment
  CAS-BOT-BC121865  Dirca occidentalis Quinn P. Sinnott; Kathy A. Sinnott 1975-3-1 611 San Mateo Along road about 1 miles N of Stone Dam. San Francisco Watershed at Crystal Springs. 243 Comment
  CAS-BOT-BC121869  Dirca occidentalis Dennis E. Breedlove 1964-2-7 5916 San Mateo In San Andreas Canyon below the dam. Comment
  HSC67074  Dirca occidentalis Richard Spjut, Donald Stoffey 1980-5-16 6197 San Mateo Crystal Springs Reservoir, 2 mi. W of San Mateo. 61 Comment
  JROH4200  Dirca occidentalis John H. Thomas 1967-3-13 12409 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  OBI78487  Dirca occidentalis Lewis S. Rose 1964-3-9 64004 San Mateo N end of Crystal Springs Lake 122 Comment
  RSA15243  Dirca occidentalis Carl B. Wolf 1927-2-17 204 San Mateo Los Trancos Creek, 2 miles back of Stanford University. Comment
  RSA18298  Dirca occidentalis Carl B. Wolf 1927-5-31 418 San Mateo Searsville Lake Comment
  CAS-BOT-BC121861  Dirca occidentalis Roberta Gilbert 1933-5-14 s.n. San Mateo Near San Geronimo Creek Comment
  POM134412  Dirca occidentalis Stewart H. Burnham 1894-2-3 s.n. San Mateo Redwood Forest, outer coast range Comment
  SEINET5548310  Disporum hookeri H. S. Gentry 1931-1 32 San Mateo Collected 2 miles W of San Bruno. Comment
  POM169800  Disporum smithii A. D. E. Elmer 1903-05 4697 San Mateo Butano Creek Comment
  UC673409  Dodecatheon clevelandii subsp. patulum Elmer I. Applegate 1895-3-9 324 San Mateo near Woodside; near Woodside Comment
  JROH3380  Dodecatheon hendersonii Le Roy Abrams 1901-3-3 1119 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET215104 Image available Dodecatheon hendersonii R. E. Dengler 1960-4-12 25 San Mateo Stanford Biological Preserve; Jasper Ridge. 130 Comment
  RSA112451  Drymocallis glandulosa H. A. Borthwick 1920-4-28 101 San Mateo Portola Valley Comment
  CAS-BOT-BC159529  Drymocallis glandulosa var. glandulosa Josephine D. Randall 1907-6-8 339 San Mateo Portola Valley - Santa Cruz Peninsula Comment
  CAS-BOT-BC159532  Drymocallis glandulosa var. glandulosa Margaret A. Barry 1937-5-15 111 San Mateo Woods on Coal Mine Ridge Comment
  CAS-BOT-BC159533  Drymocallis glandulosa var. glandulosa Ethel Crum 1930-4-27 707 San Mateo Woodside 152 Comment
  CAS-BOT-BC159504  Drymocallis glandulosa var. glandulosa Elizabeth McClintock; David Schooly; Kim Marcus 1975-4-13 s.n. San Mateo Grassy slope above Hillside Blvd., South San Francisco - San Bruno Mountain Comment
  CAS-BOT-BC159505  Drymocallis glandulosa var. glandulosa Elizabeth McClintock; Phillip Wheeler 1967-5-14 s.n. San Mateo Vicinity of fence separating Brisbane from Crocker Estate Company position of San Bruno Mountain, on east side of Mountain, above Harold Ave. Comment
  RSA152268  Drymocallis glandulosa var. wrangelliana John H. Thomas 1961-5-7 9300 San Mateo San Bruno Mountain in northern part of county. 305 Comment
  UC1128209  Drymocallis glandulosa var. wrangelliana H. S. Yates 1935-2-3 5009 San Mateo 1/2 mi se Pigeon Pt.; Santa Cruz Quadrangle Comment
  CAS-BOT-BC67881  Dryopteris arguta G. Isenberg 1971-12-1 s.n. San Mateo Butano Creek 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
  JROH25  Dryopteris arguta John H. Thomas 1970-1-1 15495 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH32  Dryopteris arguta John H. Thomas 1976-4-2 18076 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH37  Dryopteris arguta John Hunter Thomas 1980-11-12 20162 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  UC1063776  Dryopteris arguta G. E. Sindel 1935-8-2 321 San Mateo head of Harington Creek; Santa Cruz Quadrangle Comment
  UC1063780  Dryopteris arguta T. Tyrrell 1928-9-26 6 San Mateo 2 mi s San Gregorio (Plot 13); Santa Cruz Quadrangle 91 Comment
  CAS-BOT-BC67890  Dryopteris arguta W. R. Dudley 1905-6-19 s.n. San Mateo Santa Cruz Peninsula, Santa Cruz Mountains - by road near top of New Grade road to Black Mt. Comment
  RSA11000  Dryopteris arguta C. B. Wolf 1928-3-14 1537 San Mateo La Honda grade in the Santa Cruz Mountains 152 Comment
  JEPS83070  Dudleya caespitosa Roy E. Buck, Randall A. Morgan, and James A. West 1983-7-15 436 San Mateo 3.2 km nw Pilarcitos Dam (along crest of Fifield Ridge, w of gravel rd, 2.4 km wsw of San Andreas Dam); San Francisco Watershed Reserve 388 Comment
  CAS-BOT-BC410866  Dudleya caespitosa Dr. Barton W. Evermann 1924-6-22 s.n. San Mateo Ano Nuevo Isl. Comment
  CDA33784  Dudleya farinosa D. G. Kelch 2011-3-13 11 .051-B San Mateo Pacifica. Along sea bluffs Comment
  JROH1809  Dysphania ambrosioides John H. Thomas 1974-10-29 17642 San Mateo Jasper Ridge Biological Preserve, Stanford University; small peninsula created by drainage channel cut to accommodate water from Corte Madera Cr. Comment
  CAS-BOT-BC208921  Echinochloa crus-galli Ira L. Wiggins 1980-8-29 22266 San Mateo Bed of San Francisquito Creek, ca 240 m upstream from Pope Street Bridge, Manlo [Menlo] Park Comment
  JROH5085  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
  CDA5627  Echium pininana T. C. Fuller 1967-8-23 16296 San Mateo North side of road to Crystal Springs, 1.2 miles east of Highway 1 at Half Moon Bay. 0 Comment
  JROH4410  Eleocharis macrostachya Carol Zabel 2006-4-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. West side of "road" leading into Bike bowl, Comment
  JEPS83040  Elymus californicus Roy E. Buck, Randall A. Morgan, James A. West 1983-7-15 429 San Mateo near crest of Cahill Ridge (w of gravel road, 0.7 mi nw of gate and 3.3 km nnw of intersection of Cal Hwys 35 and 92, along Cahill Ridge to above Pilarcitos Lake); San Francisco Watershed Reserve 327 Comment
  POM319918  Elymus glaucus Barbara Shervanick 1973-4-1 797 San Mateo San Bruno Mts.; first summit on Crocker Rd. Comment
  SJSU16011  Elymus glaucus subsp. virescens John Rawlings, Toni Corelli 2016-5-27 1845 San Mateo Bean Hollow bluff trail, west of Hwy 1 south of Pescadero 8 Comment
  UCD62412  Elymus glaucus subsp. virescens P. B. Kennedy 1916-4-1 San Mateo Colma Canyon, Daly City, S. San Francisco. Comment
  UCSC007753  Elymus mollis subsp. mollis Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  JROH5119  Elymus multisetus D. E. Breedlove 1971-5-31 19370 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  RSA582099  Elymus multisetus D. D. Keck 1932-5-6 1469 San Mateo Belmont Comment
  SJSU15941  Elymus trachycaulus subsp. trachycaulus John Rawlings, Kem Hickman 2016-5-26 1816 B 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
  JROH5814  Epilobium brachycarpum Rebecca Reynolds 2016-8-8 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. On south-facing steep road bank opposite Tr. 14/Rd E intersection 92 Comment
  POM254417  Epilobium brachycarpum F. W. Peirson 1925-9-13 6428 San Mateo Rockaway beach Comment
  OBI11877  Epilobium canum Lewis S. Rose 1965-9-4 65099 San Mateo Skyline Blvd and Half Moon Bay Rd. Cahill ridge 244 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
  RSA40474  Epilobium canum subsp. canum W. R. Dudley 1893-7-22 s.n. San Mateo Santa Cruz Mountain Peninsula: Guadalupe Valley Comment
  RSA40475  Epilobium canum subsp. canum C. F. Leithold 1894-8-13 s.n. San Mateo Santa Cruz Mountain Peninsula: Devil s Canyon, branch of Pescadero and Mill Cr. Black Mt. 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
  JROH3057  Epilobium ciliatum subsp. ciliatum Ann Lambrecht 2006-8-14 26 San Mateo Jasper Ridge Biological Preserve, Stanford University; spillway of dam, western half, top tier Comment
  JROH3062  Epilobium densiflorum John H. Thomas 1971-8-7 16018 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3063  Epilobium densiflorum H. J. Dengler 1972-8-17 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; edge of water along W. Searsville inlet Comment
  CAS-BOT-BC389737  Epipactis gigantea J. Lovelle 1973-7-8 6 San Mateo Field redacted by CAS, contact the data manager for more information Comment
  JROH5606  Epipactis helleborine John Rawlings, Ann Lambrecht 2011-6-21 1212 San Mateo Jasper Ridge Biological Preserve, Stanford University. Vicinity of an abandoned camper shell near a small drainage west of the switchback zone of the Escobar/Webb Ranch horse trail on north side of ridge. 100 Comment
  CDA39515  Epipactis helleborine C. M. Sill 1975-8-4 s.n. San Mateo Woodside, 439 Glenwood Ave. 0 Comment
  UCR279844  Equisetum arvense Peter Rubtzoff 1976-3-14 8444 San Mateo San Francisco Bay Region, San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction; upper part of East Fork Colma Creek Canyon 220 Comment
  RSA785879  Equisetum arvense Peter Rubtzoff 1978-4-2 9153 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC57602  Equisetum telmateia Ira L. Wiggins 1925-4-1 1669 San Mateo First bridge across small creek on Kings Mountain Road above Woodside Comment
  CAS-BOT-BC57599  Equisetum telmateia Walter Knight; Irja Knight 1964-5-30 616 San Mateo Colma Creek Comment
  CAS-BOT-BC57613  Equisetum telmateia A. D. E. Elmer 1903-5-1 4602 San Mateo Cemeteries Comment
  UCSB23419  Equisetum telmateia Masero, Ann 1967-3-21 San Mateo S side of Butano Creek, 3.7 mi E of junction of Cloverdale Road and Canyon Road in Butano Canyon. 131 Comment
  JROH70  Equisetum telmateia subsp. braunii John H. Thomas 1978-4-8 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CHSC90173  Equisetum telmateia var. braunii Diane Mastalir 1988-3-27 4 San Mateo Near drainage ditch, 6.7 mi south of junction of Hwy 1 and Hwy 92, 1.7 mi east of Pescadero Road. 30 Comment
  RSA15198  Equisetum telmateia var. braunii C. B. Wolf 1926-10-19 75 San Mateo La Honda Grade. Santa Cruz Mtns. Comment
  RSA684684  Equisetum telmateia var. braunii J. Doty 1969-3-27 608 San Mateo S side of State Hwy 84, ca 500 W of Bridge No. 35-165, ca 6 miles E of State Hwy 1. Comment
  SEINET11859536  Erechtites argutus E. A. Purer 1933-8-13 5422 San Mateo near Belmont Comment
  CAS-BOT-BC299882  Erechtites glomeratus Phillip C. Wheeler 1965-6-19 s.n. San Mateo Crocker Land Park, Brisbane, San Bruno Mountain Comment
  CAS-BOT-BC299883  Erechtites glomeratus Elizabeth McClintock 1963-6-9 s.n. San Mateo San Bruno Mountain Comment
  CAS-BOT-BC299890  Erechtites glomeratus John H. Thomas 1967-5-2 12805 San Mateo About 1/4 mile up Market Street from new school in canyon, San Bruno Mountain Comment
  RSA191936  Erechtites glomeratus R. F. Thorne, Percy C. Everett 1963-6-9 32212 San Mateo On top of San Bruno Mountain. 335 Comment
  CAS-BOT-BC291242  Erechtites minimus J. H. Thomas 1955-12-6 5515 San Mateo Growing on the upstream face of Pilarcitos Lake Dam Comment
  CAS-BOT-BC291243  Erechtites minimus Elizabeth McClintock; Walter Knight; Irja Knight 1963-9-2 s.n. San Mateo San Bruno Mountain. Power Line Ridge Comment
  JROH3148  Eriastrum abramsii John Hunter Thomas 1977-6-16 18770 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU12768  Eriastrum abramsii Toni Corelli 1986-5-22 San Mateo Edgewood County Park near junction of Edgewood Rd & Hwy 280, Redwood City 219 Comment
  UCSC007741  Ericameria ericoides Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  CHSC320  Erigeron glaucus B. Richardson 1929-5-11 San Mateo Moss Beach. 9 Comment
  JEPS89680  Erigeron glaucus Dean W. Taylor 1988-3-30 9466 San Mateo northern slope of se ridge of San Bruno Mountain (near the ridgecrest, right-of-way of eastern-most set of PG&E high-voltage powerlines crossing the mountain); Central Coast Region (CCo), San Bruno Mountain 176 Comment
  UC1536738  Erigeron glaucus G. H. True Jr. 1936-6-7 482 San Mateo top of seaside bluff at cove 2 mi s of Pescadero 15 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-BC295079  Erigeron glaucus R. Stinchfield 1916-3-10 481 San Mateo Santa Cruz Mountain Peninsula. Farralone City Comment
  CAS-BOT-BC295081  Erigeron glaucus W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. Montara Mountains Comment
  CAS-BOT-BC295084  Erigeron glaucus David D. Keck 1931-10-5 1290 San Mateo One km. north of Salada Beach Comment
  CAS-BOT-BC295085  Erigeron glaucus Elizabeth McClintock 1972-5-10 s.n. San Mateo San Bruno Mountain. Slope east of Parking Lot at summit of mountain Comment
  CAS-BOT-BC295088  Erigeron glaucus Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo San Bruno Mountain. East facing slope below parking lot Comment
  JEPS111095  Eriogonum gracile Zoe Ellis Chandik 1992-9-19 s.n. San Mateo Hwy 280 right-of-way, west side bordering Edgewood County Nature Preserve/San Francisco watershed lands (triangle) Comment
  CAS-BOT-BC251976  Eriogonum latifolium Elizabeth McClintock; David Schooly; Kim Marcus 1975-4-13 s.n. San Mateo above Hillside Blvd., South San Francisco Comment
  CAS-BOT-BC251982  Eriogonum latifolium Robt. T. Orr 1961-7-28 s.n. San Mateo Ano [Ano] Nuevo Island Comment
  CAS-BOT-BC251983  Eriogonum latifolium John H. Thomas 1963-7-19 10185 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW 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
  UC1377660  Eriogonum latifolium W. J. Dress 1951-8-29 4134 San Mateo about 4.5 mi n Pigeon Point Comment
  UC1442465  Eriogonum latifolium James L. Reveal 1968-8-6 San Mateo San Gregorio Beach Comment
  CAS-BOT-BC251986  Eriogonum latifolium C. F. Leitholt 1894-7-29 s.n. San Mateo Pescadero Comment
  CAS-BOT-BC251990  Eriogonum latifolium Mrs. E. C. Sutliffe 1934-7-12 s.n. San Mateo Along the Ocean Shore road Comment
  SEINET11938061  Eriogonum latifolium E. A. Purer 1933-1 5379 San Mateo 2 mi S of Pigeon Point Comment
  JEPS111094  Eriogonum luteolum Zoe Ellis Chandik 1992-7-14 92 -2 San Mateo Crystal Springs Reservoir, south edge of serpentine (sludge) talus slope, below Hwy 280 on San Francisco Watershed land, 0.1 mi N of Hwy 92 (Ralston Ave.) east of junction with Skyline Blvd 121 Comment
  RSA187318  Eriogonum luteolum John H. Thomas 1964-7-3 10441 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto Comment
  SEINET5330457  Eriogonum luteolum J. L. Reveal, John H. Thomas 1975-7-31 3911 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto, on oak covered hillsides south of San Francisquito Creek, on a low, serpentine ridge 183 Comment
  UC662513  Eriogonum luteolum var. luteolum L. S. Rose 1941-9-2 41432 San Mateo w Redwood City; Emerald Lake 90 Comment
  SD12580  Eriogonum nudum var. auriculatum Edith A. Purer 1933-8-4 5401 San Mateo Along the Bayshore Highway, near Redwood City Comment
  SEINET11938129  Eriogonum nudum var. auriculatum Unknown 1933-1 10521 San Mateo Spring Valley Lakes Comment
  SBBG32434  Eriogonum vimineum L. S. Rose 1964-9-9 64073 San Mateo Emerald Lake, W of Redwood City 243 Comment
  SD5712  Eriophyllum Ulysses S. Grant IV 1925-6-5 San Mateo Burlingame Comment
Read comments
Jul 10 2010
  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
  JROH700  Eriophyllum confertiflorum var. confertiflorum Raymond R. White 1974-6-3 7 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH707  Eriophyllum confertiflorum var. confertiflorum John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH711  Eriophyllum confertiflorum var. confertiflorum John Hunter Thomas 1981-5-8 20562 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  LA203569  Eriophyllum confertiflorum var. confertiflorum Lewis S. Rose; 1933-5-17 33176 San Mateo Redwood City Comment
  JROH722  Eriophyllum lanatum var. arachnoideum John Hunter Thomas 1985-5-22 23672 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM358129  Eriophyllum staechadifolium E. A. Purer 1933-7-27 5395 San Mateo 2 miles south of Pigeon Point. Comment
  SEINET3146689  Eriophyllum staechadifolium L. S. Rose 1938-8-18 38233 San Mateo Skyline Blvd., 3 mi. S of San Francisco Co. line 61 Comment
  UCR121572  Eriophyllum staechadifolium George K. Helmkamp, E. A. Helmkamp 1999-6-28 5004 San Mateo Pescadero Creek Watershed, Bean Hollow Road 0.3 mi south of Pescadero Road (SW of Pescadero). Slopes above Butano Creek 61 Comment
  CAS-BOT-BC301971  Eriophyllum staechadifolium Carl B. Wolf 1930-11-5 1808 San Mateo 2 miles south of San Gregorio 60 Comment
  CAS-BOT-BC301975  Eriophyllum staechadifolium Saichi Kawahara 1968-6-15 436 San Mateo Pescadero Beach, 150 yards south of mouth of Pescadero Creek, Highway 1 4 Comment
  CAS-BOT-BC301979  Eriophyllum staechadifolium Elizabeth McClintock; Walter Knight; Irja Knight; Baki Kasapligil 1967-7-18 s.n. San Mateo San Bruno Mountain. In Colma Canyon Comment
  UCSB10755  Eriophyllum staechadifolium Myrick, Donald 1966-6-11 San Mateo Near Pescadero Creek off Highway #1 south of San Francisco Comment
  JROH2592  Erodium botrys John H. Thomas 1968-3-31 14257 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2593  Erodium botrys John H. Thomas 1968-3-31 14257 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET12182126  Erodium botrys G. A. McCallum 1933-1 s.n. San Mateo near Woodside Comment
  JEPS121446  Erodium cicutarium Adam C. Schneider with C. Matt Guilliams 2013-2-2 14 San Mateo Crystal Springs Reservoir Comment
  JROH2606  Erodium cicutarium John H. Thomas 1977-5-14 18612 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH236  Eryngium jepsonii John H. Thomas 1964-7-9 10443 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH243  Eryngium jepsonii John Hunter Thomas 1978-7-4 19254 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH244  Eryngium jepsonii John Hunter Thomas 1992-6-8 25368 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5794  Eryngium jepsonii John Rawlings 2016-6-15 1885 San Mateo Jasper Ridge Biological Preserve, Stanford University. North side of road F, 157 yards east of its intersection with Trail 15 165 Comment
  POM272834  Erysimum capitatum Lyman Benson 1929-3-16 1012 San Mateo Crystal Springs Lake, Spring Valley 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-BC54819  Erysimum franciscanum H. E. Parks; S. T. Parks 1930-3-10 0401 San Mateo Spring Valley Lakes. Comment
  CAS-BOT-BC54843  Erysimum franciscanum G. B. Rossbach; R. P. Rossbach 1938-4-3 806 San Mateo Crests and steep upper slopes of the San Bruno Hills. 365 Comment
  CAS-BOT-BC54861  Erysimum franciscanum G. B. Rossbach; R. P. Rossbach 1939-6-4 914 San Mateo Above southeast shore of Crystal Springs Lake, southwest base Pulgas Ridge. 91 Comment
  RSA101912  Erysimum franciscanum G. B. Rossbach 1939-5-12 900 San Mateo 2.5 miles N of Montara near Devil s Slide Comment
  SEINET14046269 Image available Erythranthe guttata Ynez Whilton Winblad 1941-1 San Mateo 1 Mile north of Crystal Springs Res. Comment
  CAS-BOT-BC403531  Eschscholzia californica Louis F. Pitelka 1973-4-30 s.n. San Mateo Bolsa Point, about 1 mi N of Pigeon Point and about 39 mi S of San Francisco Comment
  CAS-BOT-BC403539  Eschscholzia californica A. A. Heller 1907-5-28 8571 San Mateo Above Crystal Springs on the Half Moon Bay road Comment
  CAS-BOT-BC403547  Eschscholzia californica John H. Thomas 1963-5-20 10099 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  UCSC007745  Eschscholzia californica Becky Hendricks 2012-5-16 s.n. San Mateo Ano Nuevo State Park Comment
  RSA445604  Eschscholzia californica subsp. californica E. A. Purer 1933-7-27 5384 San Mateo Two miles south of Pigeon Point Comment
  CAS-BOT-BC202532  Euphorbia John H. Thomas 1968-10-6 14848 San Mateo Vicinity of railroad tracks and Dumbarton Bridge causeway entrance. East of Palo Alto Comment
  UC17678  Euphorbia crenulata J. Burtt Davy Jun 21 1893-Jun 23 1893 San Mateo Pilarcitos Lake and Pilarcitos Canyon; Pilarcitos Canyon, Pilarcitos Lake Comment
  RSA176863  Euphorbia epithymoides John H. Thomas 1964-4-30 10342 San Mateo Palo Alto. San Francisquito Creek at University Avenue bridge. Comment
  CDA19205  Euphorbia oblongata D. Pendleton 2001-4-3 PDR 064453 San Mateo San Francisco Peninusla; Along Sandhill Rd, next to Jasper Ridge Biological Reserve, Portola Valley. 0 Comment
  JROH1970  Euphorbia spathulata Herbert Dengler 1963-4-21 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; 500' N.E. of serp. Comment
  UC306651  Eurybia radulina A. D. E. Elmer Jul 1903 4973 San Mateo Portola Comment
  JROH5162  Festuca arundinacea John Hunter Thomas 1988-5-12 24457 San Mateo Jasper Ridge Biological Preserve, Stanford University; near bridge between the two parts of Searsville Lake Comment
  JROH5163  Festuca arundinacea John Hunter Thomas 1988-5-12 24456 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Lakeside Laboratory Comment
  SJSU15416  Festuca arundinacea Toni Corelli 2010-5-21 672 San Mateo Pescadero State Beach and Marsh Natural Preserve. North Pond Trail 5 Comment
  JEPS128400  Festuca bromoides Adam C. Schneider 2013-5-17 132 San Mateo Crystal Springs Reservoir. Comment
  POM87695  Festuca californica var. californica Le Roy Abrams 1902-5-11 2461 San Mateo Crystal Springs. Comment
  RSA6292  Festuca californica var. californica D. D. Keck 1932-5-11 1499 San Mateo Above Woodside on La Honda Road, east slope of Santa Cruz Mountains Comment
  CAS-BOT-BC278860  Festuca occidentalis W. R. Dudley 1898-7-1 s.n. San Mateo Pescadero Creek Comment
  JROH5281  Festuca perennis John H. Thomas 1967-6-1 12956 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC279050  Festuca rubra Elizabeth McClintock; Paul Reeberg 1989-5-19 s.n. San Mateo San Bruno Mountains. Upper slopes of Firth Canyon, above Brisbane 182 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
  JROH247  Foeniculum vulgare Toni Corelli 2005-8-1 297 San Mateo Jasper Ridge Biological Preserve, Stanford University; along road C, southwest of low flow crossing 82 Comment
  CAS-BOT-BC437034  Fragaria chiloensis J. H. Thomas 1949-6-4 576 San Mateo 1.4 miles south of road to Pescadero Comment
  CAS-BOT-BC437035  Fragaria chiloensis Daniel Cohen 1953-5-9 99 San Mateo Top of bluff between Pescadero and San Gregorio Comment
  CAS-BOT-BC437038  Fragaria chiloensis Elizabeth McClintock 1965-3-28 s.n. San Mateo April Brook, San Bruno Mountain Comment
  CAS-BOT-BC437039  Fragaria chiloensis Walter Knight; Irja Knight 1964-4-25 688 San Mateo West of Radio Road, San Bruno Mountain Comment
  UC1127972  Fragaria vesca H. S. Yates 1935-2-3 5006 San Mateo 0.5 mi se Pigeon Pt.; Santa Cruz Quad. 30 Comment
  UC1334693  Fragaria vesca R. S. Woglum 1935-5-25 1158 San Mateo Skyline Drive s to Big Basin Redwoods; San Francisco Area Comment
  UC859948  Fragaria vesca Lewis S. Rose 1933-6-23 33251 San Mateo Kings Mountain Comment
  CAS-BOT-BC166910  Frangula californica Peter Rubtzoff 1975-10-24 8428 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction; (tributary of East Fork Colma Creek). Comment
  HSC23908  Frangula californica Mary Katherine Wicksten 1971-6-17 78 San Mateo Huddart Park, along Chickadee Trail Comment
  JROH3570  Frangula californica subsp. tomentella D. E. Breedlove 1971-5-31 19345 San Mateo Jasper Ridge Biological Preserve, Stanford University; short ridge east of stream leading into Searsville Lake Comment
  SEINET6671073 Image available Frankenia grandifolia Malcolm A. Nobs, S. Galen Smith 1949-1 1599 San Mateo Mouth of Pescadero Creek Comment
  CAS-BOT-BC223552  Fraxinus latifolia George Oberlander 1949-8-20 367 San Mateo San Francisco Watershed Reserve. Below San Andreas Dam Comment
  CAS-BOT-BC223553  Fraxinus latifolia A. D. E. Elmer 1903-7-1 4615 San Mateo San Mateo Creek Comment
  CAS-BOT-BC130134  Fritillaria affinis John Hunter Thomas 1954-4-3 3821 San Mateo Along San Gregorio Creek about 1.5 miles west of La Honda 106 Comment
  CAS-BOT-BC130135  Fritillaria affinis B. 1903-3-1 5047 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC130138  Fritillaria affinis Eric Walther 1920-5-9 s.n. San Mateo Woodside Comment
  POM278014  Fritillaria affinis Lyman Benson 1935-5-5 6542 San Mateo Lake Searsville 152 Comment
  CAS-BOT-BC130126  Fritillaria affinis W. R. Dudley 1900-3-17 s.n. San Mateo On side of Ravine above Pillar Pt. and below Montara Mts. Comment
  RSA196570  Fritillaria affinis W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Peninsula; ravine above Pillar Point and below Montara Mountains Comment
  SEINET12054471  Fritillaria affinis Cummings, McCallum, G. A. 1933-1 s.n. San Mateo near La Honda Comment
  SJSU14166  Fritillaria biflora H. R. Himes 1989-3-17 San Mateo S end of Buri Buri Ridge on W side of Hwy 280 Comment
  SEINET3886766  Fritillaria lanceolata Lois R. O'Brien 1963-3-9 85 San Mateo San Bruno Mountains, on Radio Road 3 miles from Estrada Way.; 0 213 Comment
  UCD78148  Fumaria capreolata Robert E. Preston 2008-4-1 2600 San Mateo Lower Crystal Springs Reservoir, at jct Hwy 92 and Hwy 35 92 Comment
  UCD95125  Fumaria officinalis A. P. N. 1960-3-11 517 San Mateo Highway 1, south of Montara. Comment
  JROH3786  Galium murale John H. Thomas 1958-5-10 7138 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3804  Galium murale John Hunter Thomas 1987-4-30 24219 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3792  Galium murale John H. Thomas 1968-3-17 14189 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3793  Galium murale John H. Thomas 1969-4-12 14891 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near redwoods below dam Comment
  JROH3807  Galium murale John Hunter Thomas 1992-4-23 25159 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near Rattlesnake Rocks and along trail to redwoods Comment
  JROH3812  Galium porrigens var. porrigens John Hunter Thomas 1981-5-25 20619 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3813  Galium porrigens var. porrigens John Hunter Thomas 1983-2-21 21281 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA120734  Galium triflorum S. S. Tillett, I. Sternback 1956-6-24 530 San Mateo Middleton property, behind (N.) Portola Camp Store, just outside Portola State Park. 396 Comment
  JROH803  Gamochaeta ustulata John Hunter Thomas 1987-5-5 24245 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
  CAS-BOT-BC344858  Gamochaeta ustulata Peter Rubtzoff 1975-10-24 8431 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. Comment
  JROH5183  Gastridium phleoides John H. Thomas 1967-5-31 12920 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD66730  Gastridium phleoides Malcolm A. Nobs; S. Galen Smith 1949-8-26 1610 San Mateo About 1 mile south of Pigeon Point. Comment
  JROH2009  Genista monspessulana John Hunter Thomas 1978-4-22 19107 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2611  Geranium dissectum John H. Thomas 1967-4-20 12705 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  PASA675  Geranium dissectum Mabel B. Peirson 1926-2-24 San Mateo Moss beach Comment
  JROH2622  Geranium molle John H. Thomas 1955-5-6 5005 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC23939  Geranium retrorsum Mary Katherine Wicksten 1971-7-22 187 San Mateo Huddart Park, near park entrance Comment
  UC909020  Gilia achilleifolia subsp. achilleifolia Herbert L. Mason 1927-4-23 3677 San Mateo summit of road between La Honda and Pescadero Creek; summit of road between La Honda and Pescadero Creek Comment
  RSA185797  Gilia capitata subsp. abrotanifolia Josephine Randall 1908-5-1 s.n. San Mateo Corte de Madera Canon near Alpine RoadSanta Cruz Peninsula Comment
  JROH3164  Gilia clivorum John H. Thomas 1971-4-10 15756 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3167  Gilia clivorum John Hunter Thomas 1991-4-11 24980 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  CAS-BOT-BC123797  Gilia mellita Edward Lee Greene 1886-6-23 s.n. San Mateo Belmont Comment
  CAS-BOT-BC266510  Githopsis diffusa Fred Hemphill 1973-4-8 614 San Mateo San Carlos. N of Malabar Road and Melendy Drive 243 Comment
  JEPS89470  Glebionis coronaria Dean W. Taylor 1988-4-8 9516 San Mateo n slope of se ridge of San Bruno Mountain ((near the ridgecrest), Right-of-way of eastern-most set of PG&E high-voltage powerlines crossing the mountain, Santa Cruz Mountains); Santa Cruz Mountains, San Bruno Mountain 237 Comment
  RSA184920  Gnaphalium chilense L. S. Rose 1966-8-6 66079 San Mateo Colma Canyon, San Bruno Mountain 122 Comment
  RSA249493  Gnaphalium luteoalbum John F. Emmel 1971-9-25 390 San Mateo Along Radio Road, at 1000 ft. contour, NW end of San Bruno Mts., 0.3 air mile NW of 1314 ft summit. 305 Comment
  POM58047  Gnaphalium palustre C. F. Baker 1902-10-20 1860 San Mateo Searsville Comment
  SEINET11849477  Gnaphalium palustre Unknown 1932-1 9161 San Mateo Gov. Rolph Estate Comment
  POM358931  Gnaphalium ramosissimum E. S. Spalding 1923-8-3 s.n. San Mateo 3 miles W of Redwood City, near Pulgas Tunnel. Comment
  JROH811  Grindelia camporum G. H. Mallory 1909-7-15 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; south end of Jasper Ridge Comment
  CAS-BOT-BC304518  Grindelia hirsutula Alice Eastwood 1937-7-25 18885 San Mateo Pebble Beach, Pescadero Comment
  CAS-BOT-BC304557  Grindelia hirsutula J. T. Howell 1933-12-5 11731 San Mateo Crystal Springs Lake Comment
  JEPS20069  Grindelia hirsutula Peter H. Raven 1957-9-1 11297 San Mateo at junction of State Highway 1 and Tunitas Creek Comment
  POM203263  Grindelia hirsutula J. T. Howell 1933-5-26 11348 San Mateo Crystal Springs Lake. Comment
  UC897072  Grindelia hirsutula Alice Eastwood 1912-6-10 322 San Mateo Crystal Springs Comment
  CAS-BOT-BC304511  Grindelia hirsutula Robert Robertson 1954-4-14 77 San Mateo N.W. of Palo Alto Yacht Club 3 Comment
  CAS-BOT-BC304520  Grindelia hirsutula V. F. Hesse 1961-8-24 3026 San Mateo Near, north of, Pigeon Point 4 Comment
  JROH822  Grindelia hirsutula John Hunter Thomas 1981-5-25 20630 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET7010152  Grindelia humilis R. A. Evers, Clara V. Evers 1975-8-24 115023 San Mateo Trailer Villa, Redwood City. Comment
  POM288781  Grindelia stricta var. platyphylla Lyman Benson 1934-7-4 6101 San Mateo Moss Beach; Pacific Ocean watershed 15 Comment
  POM359102  Grindelia stricta var. platyphylla E. A. Purer 1933-7-27 18776 San Mateo Two miles south of Pigeon Point Comment
  CAS-BOT-BC282868  Hainardia cylindrica A. G. Vestal 1926-5-1 s.n. San Mateo San Pedro Point Comment
  OBI4246  Hedera canariensis Carol Wong 1970-3-28 28 San Mateo Emerald Lake, Redwood City. On the side of the lake just after crossing the bridge. Comment
  JROH440  Hedera helix John H. Thomas 1967-6-1 12974 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC309542  Helenium puberulum A. D. E. Elmer 1903-7-1 4972 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC309543  Helenium puberulum A. D. E. Elmer 1903-7-1 4972 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC309527  Helenium puberulum Walter Knight; Irja Knight; James B. Roof 1963-8-4 s.n. San Mateo San Bruno Mountain. April Brook Comment
  CAS-BOT-BC344859  Helenium puberulum Peter Rubtzoff 1976-6-30 8710 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction, San Bruno Mountains. Comment
  POM296643  Helenium puberulum L. S. Rose 1941-9-13 41439 San Mateo San Mateo Canyon. 30 Comment
  CAS-BOT-BC305338  Helianthella castanea G. Ward 1941-4-12 s.n. San Mateo Brisbane hills Comment
  CAS-BOT-BC305334  Helianthella castanea Miss E. Cannon 1892-6-1 s.n. San Mateo Hills near the Bay, South S.F. Comment
  CAS-BOT-BC224051  Helianthemum scoparium Fred Hemphill 1973-4-22 832 San Mateo San Carlos. North of Malabar Rd. and Melendy Dr. 207 Comment
  JROH1169  Helminthotheca echioides John H. Thomas 1974-10-26 17629 San Mateo Jasper Ridge Biological Preserve, Stanford University 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-BC314946  Hemizonia congesta subsp. luzulifolia A. D. E. Elmer 1903-5-1 4805 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC314950  Hemizonia congesta subsp. luzulifolia L. R. Abrams 1914-7-15 5140 San Mateo Crystal Springs Comment
  JROH872  Hemizonia congesta subsp. luzulifolia John Hunter Thomas 1981-5-25 20642 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  LA203702  Hemizonia congesta subsp. luzulifolia Lewis S. Rose; 1935-9-21 35652 San Mateo Redwood City Comment
  SJSU15950  Hemizonia congesta subsp. luzulifolia John Rawlings, Ken Hickman 2016-5-26 1828 A San Mateo Serpentine seep area up-slope from the Hwy 92 west onramp to Hwy 280 north, down-slope from the San Francisco Watershed boundary fence 122 Comment
  UCD133004  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-9-5 64070 San Mateo Emerald Lake, west of Redwood City. 243 Comment
  UCSB57493  Hemizonia congesta subsp. luzulifolia Abrams, L. 1914-7-15 San Mateo Crystal Springs Comment
  CAS-BOT-BC314942  Hemizonia congesta subsp. luzulifolia H. M. Hall 1915-8-28 10113 San Mateo East side of Crystal Springs Lake 121 Comment
  CAS-BOT-BC314943  Hemizonia congesta subsp. luzulifolia H. M. Hall 1916-7-13 10225 San Mateo Near Crystal Springs Lake Comment
  UC193426  Hemizonia congesta subsp. luzulifolia H. M. Hall 1916-7-14 10232 San Mateo Hills west of Milbrae, near summit of road from Milbrae west to the lakes Comment
  SEINET6205044  Hemizonia corymbosa L. S. Rose 1965-1 65100 San Mateo Skyline Blvd & Halt Moon Bay Rd Comment
  POM296654B  Hemizonia luzulifolia L. S. Rose 1941-10-24 41470 San Mateo Belmont. 6 Comment
  RSA124753  Hemizonia luzulifolia subsp. rudis John H. Thomas 1958-11-22 7507 San Mateo Jasper Ridge, 5 miles SW of Palo Alto. 152 Comment
  RSA132469  Hemizonia luzulifolia subsp. rudis John H. Thomas 1959-8-22 8078 San Mateo Jasper Ridge, about 5 miles southwest of Palo Alto. 152 Comment
  UC1084378  Heracleum lanatum G. Thomas Robbins 1937-4-11 75 San Mateo along Skyline Blvd. s. of San Francisco Comment
  JROH250  Heracleum maximum John H. Thomas 1975-4-30 17845 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM287747  Heracleum maximum Lyman Benson 1931-4-13 2710 San Mateo Behind Stanford University, bottom land at junction with Corte Madera Creek Comment
  JROH4229  Hesperocnide tenella John H. Thomas 1974-5-19 17384 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC176207  Hesperolinon congestum H. A. Dutton 1900-4-29 s.n. San Mateo Woodside Comment
  RSA112351  Hesperolinon congestum L. R. Abrams 1920-6-1 7497 San Mateo Back of Redwood City. Comment
  JROH2922  Hesperolinon micranthum John H. Thomas 1963-5-15 10093 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC422604  Hesperomecon linearis A. D. E. Elmer 1903-5-1 4594 San Mateo San Bruno Hills Comment
  CAS-BOT-BC148471  Heteromeles arbutifolia Fred Hemphill 1973-4-15 681 San Mateo San Carlos, chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  JROH3680  Heteromeles arbutifolia John H. Thomas 1974-5-29 17406 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC860403  Heteromeles arbutifolia Lewis S. Rose 1937-10-31 37726 San Mateo hills w Tanforan 91 Comment
  RSA471598  Heterotheca sessiliflora subsp. bolanderi E. A. Purer 1933-8-4 5400 San Mateo Along Bayshore Hwy near Redwood City. Comment
  SD30675  Heterotheca sessiliflora subsp. bolanderi Edith A. Purer 1933-8-4 5400 San Mateo Along Bayshore Highway near Redwood City. Comment
  HSC24041  Heuchera micrantha Mary Katherine Wicksten 1971-6-30 143 San Mateo Huddart Park, by W Union Creek, near Meadow Area Comment
  CAS-BOT-BC420889  Heuchera micrantha var. diversifolia Kellogg; Brannan 1880-5-31 s.n. San Mateo Redwoods Comment
  UC662649  Heuchera micrantha var. erubescens L. S. Rose 1941-7-2 41289 San Mateo Kings Mountain 600 Comment
  RSA0063064  Heuchera pilosissima I. L. Wiggins 1925-5-24 1742 San Mateo Along county road from Pescadero to Pebble Beach along rich swamp land just before coming to the artichoke lands of the American Produce Co. Comment
  CAS-BOT-BC319631  Hieracium albiflorum C. F. Leithold 1894-8-13 s.n. San Mateo Devil's Canyon, Black Mountain, Santa Cruz Mountain Peninsula Comment
  SEINET954025  Hoita orbicularis Lewis S. Rose 1959-1 59031 San Mateo San Mateo, Black Mtn. Rd. near Skyline Blvd. 122 Comment
  CAS-BOT-BC228580  Holodiscus discolor Peter W. Fritsch; Lu Lu; Lisa Fritsch; Nathan Fritsch 2012-6-30 1938 San Mateo San Bruno State Park, Summit Loop Trail just above the Eucalyptus grove N of the road from the parking area, NE-facing slope 238 Comment
  RSA101035  Holodiscus discolor G. Oberlander 1949-5-21 183 San Mateo Sawyer Ridge, San Francisco Watershed Reserve. Comment
  RSA112370  Holodiscus discolor W. R. Dudley 1894-7-7 s.n. San Mateo Santa Cruz Peninsula. Near summit of Mountains, Bear Gulch Road. Comment
  RSA449783  Holodiscus discolor D. D. Keck 1932-6-1 1795 San Mateo Above Searsville Lake, on road between Woodside and Skyline Blvd. Santa Cruz Mountains. Comment
  CAS-BOT-BC150051  Holodiscus discolor var. discolor George Oberlander 1949-5-21 183 San Mateo Sawyer Ridge Comment
  CAS-BOT-BC150058  Holodiscus discolor var. discolor John H. Thomas 1961-5-7 9281 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC150059  Holodiscus discolor var. discolor Robert Robertson 1954-5-1 110 San Mateo By road 2 miles east of Pescadero 30 Comment
  JROH3698  Holodiscus discolor var. discolor John Hunter Thomas 1987-5-19 24289 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near lake Comment
  SEINET10867105  Hookera terrestris Helen M. Edwards 1917-4-12 Edwards s.n. 1917 San Mateo Crystal Sprngs Lake Comment
  POM205104  Hordeum brachyantherum E. B. Copeland 1903-6-10 3304 San Mateo Montara Point. Comment
  SEINET6205028  Hordeum brachyantherum L. S. Rose 1963-1 63001 San Mateo Skyline Blvd, W of San Mateo Comment
  JROH5229  Hordeum brachyantherum subsp. californicum John Hunter Thomas 1981-4-27 20510 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET6851597  Hordeum geniculatum Robert A. Evers, Clara V. Evers 1975-8-24 115025 -B San Mateo Trailer Villa, Redwood City. Comment
  CAS-BOT-BC285150  Hordeum marinum subsp. gussoneanum H. A. Borthwick 1920-5-18 151 San Mateo Santa Cruz Mountain Peninsula. Woodside Comment
  CAS-BOT-BC289458  Hordeum murinum subsp. leporinum John H. Thomas 1963-5-20 10123 San Mateo Ano Nuevo Island about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  JROH5256  Hordeum murinum subsp. leporinum John H. Thomas 1967-5-12 12881 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC536151  Horkelia californica Elizabeth McClintock 1965-6-13 s.n. San Mateo Colma Canyon, San Bruno Mountain Comment
  CAS-BOT-BC536154  Horkelia californica David D. Keck 1939-7-1 5008 San Mateo 3 miles south of Pescadero, 1 mile from the ocean 60 Comment
  SEINET5554737  Horkelia californica H. S. Gentry 1931-1 76 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  UC625417  Horkelia californica L. R. Abrams and I. L. Wiggins 1939-6-3 436 San Mateo 1/2 mi inland the sand dunes (along cultivated field); Ano Nuevo Point Comment
  UCD113402  Horkelia californica Lewis S. Rose 1966-8-20 66086 San Mateo San Bruno Mountain, head of Colma Canyon. 205 Comment
  SJSU16037  Hosackia gracilis Toni Corelli, John Rawlings 2016-4-29 1766 San Mateo Cascade Field along Atkinson Bluff Trail, north of Cascade Cr. Trail, in Ano Nuevo State Park 11 Comment
  JROH926  Hypochaeris radicata John H. Thomas 1967-6-1 12965 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH928  Hypochaeris radicata John H. Thomas 1974-5-3 17237 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH931  Hypochaeris radicata John Hunter Thomas 1977-6-16 18759 San Mateo Jasper Ridge Biological Preserve, Stanford University; near old racing oval Comment
  UC1069667  Hypochaeris radicata G. E. Sindel 1935-7-30 316 San Mateo 2.5 mi nnw Pescadero; Santa Cruz Quad. Comment
  UC1069670  Hypochaeris radicata N. K. Carlson 1935-6-29 109 San Mateo 1 mi s Pescadero; Santa Cruz Quad. Comment
  CAS-BOT-BC311491  Hypochaeris radicata E. N. Crane 1915-5-1 s.n. San Mateo Burlingame Comment
  UC306610  Iris douglasiana A. D. E. Elmer Jun 1903 4806 San Mateo San Mateo Comment
  RSA171165  Iris douglasiana Robert F. Thorne, Percy C. Everett 1963-6-9 32240 San Mateo On top of San Bruno Mountain. 335 Comment
  UC143469  Iris douglasiana Alice Eastwood Apr 1898 San Mateo Purissima Comment
  UCD138710  Iris douglasiana Ogden C. Riddle 1941-4-6 65 San Mateo Finney Ridge, near Half Moon Bay. 243 Comment
  CAS-BOT-BC133656  Iris longipetala John H. Thomas 1955-4-6 4838 San Mateo East facing slope of San Bruno Mountain just north of South San Francisco 91 Comment
  CAS-BOT-BC133672  Iris longipetala Javier Penalosa 1963-3-30 2707 San Mateo North of Randolph Drive at Hillside Blvd. in SSF 91 Comment
  CAS-BOT-BC133673  Iris longipetala Javier Penalosa 1963-3-30 2707 San Mateo North of Randolph Drive at Hillside Blvd. in SSF 91 Comment
  IRVC9079  Iris macrosiphon P. W. Rundel 1963-6-11 1116 San Mateo San Fransisco Bay drainage area; Old La Honda Road. Santa Cruz Mountain Range 305 Comment
  SD168142  Iris macrosiphon Phil Rundel 1963-6-11 1116 San Mateo La Honda Road. (IPB 12/07) 459 Comment
  CAS-BOT-BC57730  Isoetes howellii W. R. Dudley 1909-10-31 s.n. San Mateo Woodside Valley Pond Comment
  SJSU15912  Isolepis carinata John Rawlings, Sara Timby, Toni Corelli 2016-4-23 1738 San Mateo South end of Bean Hollow bluff trail west of Hwy 1 south of Pescadero 8 Comment
  CAS-BOT-BC112609  Isolepis cernua John Hunter Thomas 1955-7-17 5290 San Mateo Along the coast, 1.6 miles S of Dolan Creek. 91 Comment
  CAS-BOT-BC112624  Isolepis cernua E. B. Copeland 1903-6-15 3315 San Mateo Montara Point Comment
  CAS-BOT-BC112625  Isolepis cernua E. B. Copeland 1903-6-15 3315 San Mateo Montara Point Comment
  CAS-BOT-BC112628  Isolepis cernua H. L. Mason 1921-6-2 s.n. San Mateo Pebble Beach, near Pescadero. Comment
  SEINET4170779 Image available Isolepis cernua Ira L. Wiggins, Roxana S. Ferris 1939-8-2 9290 San Mateo Ano Nuevo Point Comment
  RSA40141  Isolepis cernua L. S. Rose 1948-12-3 48242 San Mateo Ocean Shore Blvd., 6 miles S of San Francisco County line. Comment
  CAS-BOT-BC340136  Jaumea carnosa LeRoy Abrams 1901-9-1 2224 San Mateo Cooley's Landing Comment
  POM312326  Jaumea carnosa Malcolm A. Nobs, S. Galen Smith 1949-8-26 1598 San Mateo Marshes at the mouth of Pescadero Creek. Comment
  SJSU4270  Jaumea carnosa D. R. Conradson 1968-10-9 San Mateo by Palo Alto Yacht Harbor Comment
  SEINET11788499  Juncus bolanderi Unknown 1932-1 9111 San Mateo above Spring Valley Lakes Comment
  UC1101045  Juncus bufonius Herbert L. Mason 1949-7-7 14028 San Mateo Mouth of Gazos Creek Comment
  SEINET8544724  Juncus bufonius Charles Piper Smith 1905-4-1 728 San Mateo Stanford Univ. Roadside near Stockfarm bridge. Comment
  JROH4466  Juncus bufonius var. occidentalis John H. Thomas 1974-4-4 17086 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU15214  Juncus capitatus Toni Corelli 2011-4-28 700 San Mateo Ano Nuevo, Cascade Field, junction of Cascade Creek Trail and Atkinson Bluff Trail 9 Comment
  CAS-BOT-BC227613  Juncus effusus subsp. pacificus Peter Rubtzoff; Elizabeth McClintock; Paul Reeberg 1989-6-3 s.n. San Mateo San Bruno Mountains. PG&E Marsh 15 Comment
  SEINET3879467  Juncus ensifolius K. Thorne, J. Chandler 1986-7-25 4934 San Mateo Half Moon Bay, 2 miles south of Moss Beach at Dune Beach.; 0 Comment
  UC1100998  Juncus lescurii Malcolm A. Nobs and S. Galen Smith 1949-8-26 1600 San Mateo Mouth of Pescadero Creek Comment
  UC1601735  Juncus lescurii J. Burtt Davy 1893-6-22 758 San Mateo head of Lake Pilarcitos Lake Pilarcitos Comment
  CAS-BOT-BC227612  Juncus patens Peter Rubtzoff; Elizabeth McClintock; Paul Reeberg 1989-6-3 s.n. San Mateo San Bruno Mountains. Shearwater 22 Comment
  JROH5797  Juncus phaeocephalus John Rawlings 2016-5-3 1779 San Mateo Jasper Ridge Biological Preserve, Stanford University. South of Trail 9 and west of Rd F in contact drainage 185 Comment
  UC1101087  Juncus phaeocephalus Verne Grant and Herbert L. Mason 1946-8-28 13086 San Mateo entrance to San Francisco County prison Comment
  CAS-BOT-BC210050  Juncus phaeocephalus Peter Rubtzoff 1978-7-8 9229 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC210092  Juncus phaeocephalus Peter Rubtzoff 1978-8-17 9262 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  JROH4510  Juncus xiphioides John H. Thomas 1975-7-31 17982 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4038  Kickxia elatine Herbert Dengler 1961-9-24 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; S.F. Creek bed -- about midway between tiger lily site and old Zoology Cabin site -- directly below nesting sites of Kingfisher and Rough-winged Swallow Comment
  JROH4048  Kickxia spuria John Hunter Thomas 1981-10-25 20772 San Mateo Jasper Ridge Biological Preserve, Stanford University; near main gate Comment
  JROH4049  Kickxia spuria John Hunter Thomas 1982-11-8 21257 A San Mateo Jasper Ridge Biological Preserve, Stanford University; near low flow crossing Comment
  CAS-BOT-BC273736  Koeleria pyramidata W. R. Dudley 1896-4-4 s.n. San Mateo Santa Cruz Mountain Peninsula. Crystal Springs Lake Comment
  UCR256305  Lactuca virosa Peter Rubtzoff, Roman Gankin 1975-9-11 8374 San Mateo San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 213 Comment
  JROH955  Lagophylla ramosissima L. R. Abrams 1914-6-2 5111 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville Lake Comment
  JROH961  Lagophylla ramosissima John H. Thomas 1969-5-28 15087 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2781  Lamium amplexicaule John Hunter Thomas 1991-4-6 24973 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  UCSC003372  Lasthenia Randall Morgan 2001-5-9 3726 San Mateo Bean Hollow State Beach, San Mateo County Comment
  CAS-BOT-BC339059  Lasthenia californica H. L. Mason 1921-6-1 s.n. San Mateo Pebble Beach near Pescadero Comment
  CAS-BOT-BC339071  Lasthenia californica John Thomas Howell 1933-5-3 11204 San Mateo San Bruno Hills Comment
  CAS-BOT-BC339074  Lasthenia californica Lewis S. Rose 1933-4-30 33128 San Mateo Redwood City Comment
  CAS-BOT-BC339075  Lasthenia californica Margaret A. Barry 1937-5-1 37 San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC339051  Lasthenia californica Alex Briggs 1922-5-27 s.n. San Mateo Mirimar [Miramar] Comment
  CAS-BOT-BC339078  Lasthenia californica H. A. Dutton 1910-3-25 s.n. San Mateo Santa Cruz Peninsula. Woodside Comment
  CAS-BOT-BC339081  Lasthenia californica W. R. Dudley 1900-3-17 s.n. San Mateo Santa Cruz Mountain Peninsula. Above Seal Cove Comment
  CAS-BOT-BC339084  Lasthenia californica W. R. Dudley No date on label s.n. San Mateo Ocean View near San Francisco Comment
  CAS-BOT-BC339089  Lasthenia californica James McMurphy 1907-5-19 s.n. San Mateo Near Lower Pond, Coal Mine Ridge Comment
  POM319929  Lasthenia californica Barbara Shervanick 1973-4-1 802 San Mateo San Bruno Mt. first summit on Crocker Road; Mt. Range: San Bruno Mountains; Drainage Area: San Francisco Bay. Comment
  RSA51348  Lasthenia californica Peter H. Raven 1950-4-30 1952 San Mateo Montara. 15 Comment
  JEPS10183  Lasthenia californica subsp. californica W. L. Jepson 1919-4-19 8230 San Mateo San Bruno Hills Comment
  JEPS89767  Lasthenia californica subsp. californica Dean W. Taylor 1989-3-30 10188 San Mateo ridge separating Guadalupe Valley from Vistacion Valley (Right-of way of easternmost set of PG&E high-voltage powerlines crossing crest of ne ridge of San Bruno Mountain); Santa Cruz Mountains, San Bruno Mountain Comment
  JROH978  Lasthenia californica subsp. californica John Hunter Thomas 1981-5-8 20563 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC517467  Lasthenia californica subsp. californica John Thomas Howell 1933-5-3 11204 San Mateo San Bruno Hills Comment
  RSA14967  Lasthenia glabrata subsp. glabrata L. S. Rose 1935-5-4 35148 San Mateo Burlingame. Comment
  CAS-BOT-BC360401  Lasthenia glabrata var. glabrata Ned Cahill 1974-4-18 138 San Mateo Near intersection of Canada and Edgewood Roads, about 3 mi westward from Redwood City Comment
  POM288365  Lasthenia gracilis Lyman Benson 1930-5-3 2097 San Mateo Above Woodside, Mt. Range: Santa Cruz 244 Comment
  UC311550  Lasthenia gracilis A. D. E. Elmer 1903-4-1 4507 San Mateo San Bruno Hills Comment
  POM361530  Lasthenia gracilis D. D. Keck 1932-3-24 1402 San Mateo Redwood City, at border of San Francisco Bay. Comment
  RSA18351  Lasthenia macrantha subsp. macrantha C. B. Wolf 1927-1-29 s.n. San Mateo Pescadero Comment
  CAS-BOT-BC368184  Lasthenia minor John H. Thomas 1967-5-7 12834 San Mateo Pigeon Point. Altitude about sea level. Near Lighthouse. Comment
  CAS-BOT-BC368185  Lasthenia minor Otto M. Sobol 1953-5-9 s.n. San Mateo Pescadero Beach. Comment
  SEINET7076116  Lasthenia minor A. G. Vestal 1955-5-31 s.n. San Mateo Pescadero Beach [Pescadero State Beach]. (NAD 27; 37.2631? deg. North Latitude, 122.4118? deg. West Longitude, UTM Zone 10, 552155mE, 4124015mN). [GPS Coordinate: WGS84/NAD83]. Comment
  SJSU2270  Lasthenia minor C. W. Sharsmith 1947-3-13 6747 San Mateo Pescadero Beach near Pescadero Point Comment
  CAS-BOT-BC368188  Lasthenia minor Kenton L. Chambers 1956-6-20 1044 San Mateo Mouth of Pescadero Creek, on bluff between Hwy. 1 and the ocean; around parking area Comment
  CAS-BOT-BC204915  Lathyrus James McMurphy 1909-5-25 s.n. San Mateo Grade west of Crystal Springs Comment
  RSA10272  Lathyrus littoralis H. A. Barker 1927-5-14 672 San Mateo North of Half Moon Bay. Comment
  POM223333  Lathyrus vestitus subsp. vestitus L. S. Rose 1935-5-29 35191 San Mateo Kings Mountain Comment
  RSA152255  Lathyrus vestitus subsp. vestitus I. L. Wiggins 1925-04 1661 San Mateo On Kings Mtn Road three fourths of a mile above Woodside. Comment
  JROH2039  Lathyrus vestitus var. vestitus John Hunter Thomas 1985-4-11 23518 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  RSA0110304  Lavatera arborea John H. Thomas 1959-4-4 7660 San Mateo At Pescadero. 61 Comment
  UC1252091  Lavatera arborea J. H. Thomas 1959-4-4 7660 San Mateo roadside on coastal bluffs at Pescadero; at coastal bluffs at Pescadero 60 Comment
  RSA20413  Lavatera arborea I. L. Wiggins 1935-6-29 8050 San Mateo Bluffs near the beach near old Pebble Beach Hotel, between Pescardero and Pingeo Point Comment
  RSA95542  Layia chrysanthemoides L. S. Rose 1953-4-5 53008 San Mateo Redwood City, along Bayshore Highway. 3 Comment
  SEINET11811294  Layia chrysanthemoides Unknown 1932-1 9101 San Mateo above Spring Valley Lake Comment
  UC30646  Layia gaillardioides J. Burtt Davy Apr 21 1893-Apr 23 1893 1161 San Mateo Pilarcitos Lake and Canyon Comment
  CAS-BOT-BC321116  Layia gaillardioides David D. Keck 1932-5-11 1763 San Mateo La Honda road 2 miles W of Skyline Blvd. Comment
  CAS-BOT-BC327461  Layia hieracioides Fred Hemphill 1973-4-22 729 San Mateo San Carlos. Chaparral area N of Malabar Rd and Melendy Dr. 207 Comment
  CAS-BOT-BC327468  Layia hieracioides John H. Thomas 1950-5-14 1871 San Mateo Ben Lomond Sand Hills, along Quail Hollow Road 152 Comment
  CAS-BOT-BC327505  Layia hieracioides J. H. Thomas 1961-5-7 9307 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  POM298251  Layia hieracioides D. D. Keck 1932-6-1 1796 San Mateo Above Searsville Lake, on la Honda Road, east slope of Santa Cruz Mts. Comment
  UCR70738  Layia hieracioides David D. Keck 1932-5-11 1760 San Mateo Santa Cruz Mtns, Above Searsville Lake, on La Honda Road, E slope of mountains. 250 Comment
  CAS-BOT-BC327464  Layia hieracioides John Thomas Howell 1944-6-11 19594 San Mateo 1.5 miles N of Felton Comment
  CAS-BOT-BC327465  Layia hieracioides Alice Eastwood; John Thomas Howell 1938-6-16 60047 San Mateo Ano Nuevo Pines Comment
  CAS-BOT-BC327501  Layia hieracioides John Thomas Howell 1938-5-1 13769 San Mateo Colma Canyon [written on sheet in other hand: San Bruno Hills, acc. J.T.H. notebook] 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
  POM298199  Layia hieracioides D. D. Keck 1933-5-11 2306 San Mateo Skyline Blvd, E of Salada, northern San Mateo County. Comment
  POM298308  Layia hieracioides D. D. Keck, Wm Hiesey 1940-6-1 5166 San Mateo Skyline Blvd. opposite N end of Lake San Andreas. 137 Comment
  RSA502396  Layia hieracioides D. W. Taylor 1989-4-18 10215 San Mateo Ridgetop between Ox Hill and Scarper Peak. 473 Comment
  CAS-BOT-BC382083  Layia platyglossa Arthur Spiegler 1969-6-20 884 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  CHSC68147  Layia platyglossa A. D. E. Elmer 1903-4-1 5022 San Mateo Crystal Springs Lake. Comment
  JROH1002  Layia platyglossa John Hunter Thomas 1981-5-8 20560 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
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Feb 14 2014
  JROH991  Layia platyglossa John H. Thomas 1955-5-6 4085 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC382082  Layia platyglossa Arthur Spiegler 1952-4-26 25 San Mateo 4 miles from Woodside on Canada Road to Skyline Blvd 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
  POM284976  Layia platyglossa subsp. campestris Arthur L. Cohen 1935-4-21 624 San Mateo Jasper Ridge; Mt.Range: Coast; Watershed: Searsville. 183 Comment
  POM185943  Lemna gibba A. D. E. Elmer 1903-07 4765 San Mateo San Pedro. Comment
  CAS-BOT-BC537272  Lemna minor D E Breedlove 1974-5-13 36220 San Mateo Brushy slopes San Pedro Valley Park, Pacifica 152 Comment
  CAS-BOT-BC527270  Lemna minuta Walter Knight; Irja Knight 1963-10-23 376 San Mateo Cow Trough Ravine, San Bruno Mt. Comment
  RSA18088  Lemna minuta Carl B. Wolf 1929-4-29 3660 San Mateo 10 miles south of San Francisco, Skyline Drive Comment
  CDA987  Leontodon taraxacoides D. G. Kelch, B. G. Baldwin, Sue Bainbridge, Abigail Moore 2005-6-21 5 .37 San Mateo S.F. Water District land, near Spring Valley. NE corner Pilarcitos Lake. Comment
  CAS-BOT-BC221540  Lepechinia calycina Fred Hemphill 1973-4-15 717 San Mateo San Carlos. North of Malabar Rd. and Melendy Dr. 207 Comment
  JROH2794  Lepechinia calycina John H. Thomas 1975-6-5 17935 San Mateo Jasper Ridge Biological Preserve, Stanford University; near shack Comment
  RSA229653  Lepechinia calycina Andrew R. Moldenke, Harold N. Moldenke 1971-4-11 25184 San Mateo Jasper Ridge. Comment
  RSA6280  Lepechinia calycina D. D. Keck 1932-5-25 1779 San Mateo Hills 2 miles W of Belmont Comment
  UC25890  Lepechinia calycina J. Burtt Davy 1893-6-17 813 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-BC89137  Lepidium didymum Malcom A. Nobs; Stanley Galen [S. Galen] Smith 1949-8-26 1594 San Mateo Marshes at the south of Pescadero Creek. Comment
  CAS-BOT-BC89140  Lepidium didymum Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo San Bruno Mountains. Below parking lot. Comment
  UCSB2284  Lepidium didymum Walker, Clifford 1954-4-20 San Mateo 100 yards from Ocean on cliff, 1 mi. S Half Moon Bay Comment
  CAS-BOT-BC12598  Lepidium nitidum H. A. Dutton 1900-2-1 s.n. San Mateo Santa Cruz Peninsula. Woodside. Comment
  JROH1541  Lepidium nitidum John H. Thomas 1956-4-7 5618 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC12595  Lepidium nitidum Elizabeth McClintock; Arthur Menzies 1963-2-16 s.n. San Mateo San Bruno Mountains. Below top of mountain in vicinity of radio station. Comment
  CAS-BOT-BC12597  Lepidium nitidum Elizabeth McClintock; David Schooly; Kim Marcus 1975-4-13 s.n. San Mateo San Bruno Mountains. Above Hillside Boulevard, South San Francisco. Comment
  CAS-BOT-BC12746  Lepidium oxycarpum David D. Keck 1932-3-24 1401 San Mateo Redwood City. At border of San Francisco Bay. Comment
  CAS-BOT-BC12752  Lepidium oxycarpum David D. Keck 1932-3-24 1401 San Mateo Redwood City. At border of San Francisco Bay. Comment
  RSA66570  Lepidium oxycarpum D. D. Keck 1932-3-24 1401 San Mateo Redwood City, at border of San Francisco Bay. Comment
  SJSU8368  Lepidium oxycarpum A. H. Lilleberg 1961-4-9 San Mateo SE of Redwood City Marina, Redwood City Comment
  CAS-BOT-BC12954  Lepidium strictum David D. Keck 1933-5-11 2301 San Mateo Montara Summit, Montara Mountain. Comment
  JROH1560  Lepidium strictum John Hunter Thomas 1978-4-25 19154 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC226604  Leptosiphon ambiguus Ned Cahill 1974-4-1 149 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC226605  Leptosiphon ambiguus Le Roy Abrams 1901-5-1 1561 San Mateo Woodside 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
  CAS-BOT-BC226610  Leptosiphon ambiguus George Oberlander 1950-4-22 778 San Mateo San Francisco Watershed Reserve Comment
  POM65197  Leptosiphon ambiguus C. F. Baker 1902-5-4 s.n. San Mateo Woodside. Comment
  JROH3178  Leptosiphon androsaceus John Rawlings 2013-4-2 1157 San Mateo Jasper Ridge Biological Preserve, Stanford University. Northwest side of small drainage upstream from the upper bridge on Trail 11. 134 Comment
  POM279155  Leptosiphon androsaceus Lyman Benson 1935-5-5 6531 San Mateo Lake Searsville. 152 Comment
  SJSU15803  Leptosiphon croceus Toni Corelli 2015-5-3 1193 San Mateo Northern edge of Fitzgerald Marine Reserve, Moss Beach also know as Vallemar Bluff 14 Comment
  UC106675  Leptosiphon croceus Katharine Brandegee 1905-6-19 San Mateo Moss Beach (Wienke's) Moss Beach Comment
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Jun 26 2010
  UC176059  Leptosiphon croceus Miss Kate Cole May 1914 San Mateo Moss Beach Comment
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Feb 8 2016
  CAS-BOT-BC226624  Leptosiphon grandiflorus W. R. Dudley 1896-7-30 s.n. San Mateo Summit of hill just beyond La Honda Comment
  JROH3185  Leptosiphon liniflorus Elmer I. Applegate 1895-5-11 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Comment
  JROH3191  Leptosiphon parviflorus John Hunter Thomas 1981-4-23 20479 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3187  Leptosiphon parviflorus Daniel Cohen 1953-4-11 26 San Mateo Jasper Ridge Biological Preserve, Stanford University; near top of Jasper Ridge Comment
  RSA0103656  Leptosiphon parviflorus H. L. Mason 1935-5-21 8315 San Mateo Pebble Beach, Pescadero. Comment
  RSA0103660  Leptosiphon parviflorus Arthur L. Cohen 1935-4-21 629 San Mateo Jasper Ridge, Stanford U. Santa Cruz Range; San Francisco Bay watershed. 152 Comment
  RSA285921  Leptospermum laevigatum T. C. Fuller 1969-5-15 18476 San Mateo Hillslope opposite the welfare farm, Hwy 92 to San Mateo, E limits of half Moon Bay. Comment
  SEINET5782289 Image available Lessingia arachnoidea L. S. Rose 1941-9-6 41434 San Mateo San Mateo Canyon Comment
  UC1287459  Lessingia arachnoidea Willard Spence 1960-10-16 635 San Mateo Ralston Road 0.2 mi off Skyline Blvd. Comment
  UCR70748  Lessingia arachnoidea David D. Keck 1931-10-5 1280 San Mateo San Francisco Bay Region, Crystal Springs Lake, east side 168 Comment
  JROH1003  Lessingia glandulifera var. glandulifera C. F. Leitholt 1893-7-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Comment
  JROH1014  Lessingia glandulifera var. glandulifera John H. Thomas 1975-5-26 17902 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1032  Lessingia hololeuca John H. Thomas 1972-8-18 16153 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC905072  Leucanthemum vulgare John Thomas Howell 1949-7-4 24356 San Mateo n of Millbrae; Skyline Blvd. Comment
  UCD163782  Leucanthemum vulgare Peter Rubtzoff 1988-5-12 9922 San Mateo San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road Junction, near old Guadalupe Road between Bog Trail and Saddle Trail junctions. Comment
  CAS-BOT-BC272289  Leymus X multiflorus J. H. Thomas 1963-6-23 10159 San Mateo Along Alpine Road near Ladera Comment
  JEPS71202  Leymus triticoides William S. Cooper 1925-5-28 7 San Mateo Salada Comment
  UC37061  Leymus triticoides unknown San Mateo San Mateo Comment
  RSA108327  Leymus triticoides Frank W. Gould 1941-5-10 1292 San Mateo 1 mile north of Pigeon Point lighthouse 15 Comment
  JEPS17501  Ligusticum apiifolium R. L. Pendleton 1907-4-20 627 San Mateo Colma 182 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
  JEPS32129  Lilaea scilloides W. L. Jepson 1923-10-18 10260 San Mateo Colma Comment
  CDA4898  Limnanthes douglasii subsp. ornduffii T. W. Heinrich 2004-4-21 s.n. San Mateo Adjacent to Highway 1 and immediately east of Half Moon Bay Airport, on Cabrillo Ranch property, Moss Beach. 0 Comment
  UCD169374  Limnanthes macounii T. W. Henrich 2004-4-21 s.n. San Mateo Moss Beach. Adjacent to Hwy 1 and immediately east of Half Moon Bay Airport, on Cabrillo Ranch property. Comment
  CDA36142  Limonium binervosum Michael Perlmutter 2011-6-15 San Mateo Burlingame, Sanchez Marsh. 0 Comment
  CDA42388  Limonium binervosum Whitney Thornton 2011-9-19 s.n. San Mateo Greco Island. Comment
  JEPS9660  Limosella acaulis Ira L. Wiggins and Roxana S. Ferris 1939-8-2 9294 San Mateo Ano Nuevo Point Comment
  JROH4065  Limosella acaulis John Hunter Thomas 1985-8-7 23707 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4067  Limosella acaulis Ann Lambrecht, Carol Zabel 2004-6-23 10 San Mateo Jasper Ridge Biological Preserve, Stanford University. At landing below Searsville Lab Comment
  UC885935  Limosella acaulis Ira L. Wiggins and Roxana S. Ferris 1939-8-2 9294 San Mateo Ano Nuevo Point Comment
  UCSB39984  Limosella acaulis Thomas, John 1982-8-15 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto 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
  CAS-BOT-BC238363  Limosella aquatica W. R. Dudley 1906-10-12 s.n. San Mateo The Santa Cruz Mountain Peninsula. Pond 15 Comment
  UC75208  Linanthus ambiguus C. F. Baker 1902-5-4 753 San Mateo Woodside Comment
  SEINET12279017  Linanthus androsaceus Unknown 1932-1 9020 San Mateo Los Francos Woods Comment
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Nov 1 2021
  UC202814  Linanthus androsaceus A. D. E. Elmer Apr 1903 4746 San Mateo Comment
  SEINET8729325 Image available Linanthus androsaceus subsp. croceus Herbert L. Mason 1935-1 8315 San Mateo Pebble Beach, Pescadero Comment
  JROH3184  Linanthus dichotomus Paul R. Hichborn 1920-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CDA982  Linanthus liniflorus D. G. Kelch 2002-5-6 2 .011 San Mateo Crystal Springs Reservoir. Comment
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Oct 24 2021
  UC517491  Linanthus liniflorus John Thomas Howell 1933-5-26 11344 San Mateo Crystal Springs Lake Comment
  JEPS113041  Linanthus liniflorus subsp. pharnaceoides Dean W. Taylor 1994-5-10 14263 San Mateo Edgewood Park; ca. 300 meters SE of junction of Edgewood Road and Canada Road, ca. 200 m W of trail parallel to and on west side of Highway 280 137 Comment
  CDA6307  Linaria purpurea T. C. Fuller 1968-10-3 17659 San Mateo Christie s Crescent Nursery, Half Moon Bay. 0 Comment
  CAS-BOT-BC36075  Lithocarpus densiflorus var. densiflorus Eric Walther 1919-6-9 s.n. San Mateo Woodside Comment
  POM222890  Lithocarpus densiflorus var. densiflorus S. S. Berry 1899-3-13 s.n. San Mateo King's Mountain Road. 549 Comment
  POM270415A  Lithocarpus densiflorus var. densiflorus Lyman Benson 1932-7-25 3952 San Mateo Kings Mt. above Woodside; San Francisquito Cr. watershed. 305 Comment
  JROH3888  Lithophragma affine John H. Thomas 1972-4-1 16048 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3890  Lithophragma affine John Hunter Thomas 1981-4-23 20468 San Mateo Jasper Ridge Biological Preserve, Stanford University. Below dam Comment
  CAS-BOT-BC430767  Lithophragma affine Volney Rattan 1883-4-1 s.n. San Mateo Milbrae Comment
  CAS-BOT-BC436226  Lithophragma heterophyllum Margaret A. Barry 1937-5-15 92 San Mateo on Coal Mine Ridge Comment
  JEPS23933  Lithophragma heterophyllum Volney Rattan Apr 1883 San Mateo Millbrae Comment
  CAS-BOT-BC436222  Lithophragma heterophyllum George Oberlander 1950-4-23 851 San Mateo Pilarcitos Comment
  CAS-BOT-BC436223  Lithophragma heterophyllum Paul Arnaud 1941-4-19 s.n. San Mateo Redwood City - Hills, after Hesler farm entrance. Comment
  JROH3901  Lithophragma heterophyllum Brenda Butner and Toni Corelli 1990-3-30 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 3 Comment
  CAS-BOT-BC173835  Lolium multiflorum Peter Rubtzoff 1977-6-21 9059 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, northwest of Fog Forest. Comment
  JROH5294  Lolium perenne W. Lennihan 1990-5-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 15 - path turnoff by black oak, bottom of swale. Comment
  JROH5295  Lolium perenne John Rawlings 2005-5-15 1009 San Mateo Jasper Ridge Biological Preserve, Stanford University. Road F, 7 yards east of its intersection with the south terminus of Trail 15. In the middle of the road in area subject to regular mowing. 176 Comment
  CAS-BOT-BC269176  Lolium temulentum W. R. Dudley 1900-5-19 s.n. San Mateo Santa Cruz Mountain Peninsula. Summit La Honda stage road Comment
  UC1714473  Lolium temulentum W. C. Blasdale 1893-6-17 San Mateo Belmont Comment
  JEPS127851  Lomatium caruifolium var. caruifolium Adam C. Schneider with C. Matt Guilliams 2013-3-9 36 San Mateo Comment
  UC1327235  Lomatium caruifolium var. caruifolium John T. Doyan 1966-3-28 38 San Mateo near Radio Towers on top San Bruno Mountains Comment
  SEINET196566  Lomatium dasycarpum Pete Rowen 1950-4-16 89 San Mateo Colma Canyon San Brumo Mts. Comment
  SEINET473805  Lomatium dasycarpum L. S. Rose 1932-3-10 3268 San Mateo South San Francisco Comment
  JROH268  Lomatium dasycarpum subsp. dasycarpum John Hunter Thomas 1981-4-27 20504 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH271  Lomatium dasycarpum subsp. dasycarpum John Hunter Thomas 1988-5-16 24461 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1301125  Lomatium dasycarpum subsp. dasycarpum Helen K. Sharsmith 1963-2-16 5145 San Mateo summit San Bruno Mt.; San Francisco Bay Region, San Bruno Mt. 396 Comment
  UC75215  Lomatium dasycarpum subsp. dasycarpum C. F. Baker 1902-4-6 461 San Mateo Crystal Springs Lake Comment
  JROH254  Lomatium dasycarpum subsp. dasycarpum Anne Hornby 1952-5-10 111 San Mateo Jasper Ridge Biological Preserve, Stanford University; in hills above Searsville Lake Comment
  RSA184857  Lomatium dasycarpum subsp. dasycarpum L. S. Rose 1965-4-22 65027 San Mateo San Bruno Mountain, south of parking lot 366 Comment
  CAS-BOT-BC240592  Lonicera hispidula David D. Keck 1932-8-13 1753 San Mateo Alpine Creek Road above Rolph's Ranch, east slope of Santa Cruz Mtns. 550 Comment
  CAS-BOT-BC240593  Lonicera hispidula George Oberlander 1949-5-21 192 San Mateo San Francisco Watershed Reserve. Sawyer Ridge Comment
  JROH1661  Lonicera hispidula John Hunter Thomas 1981-7-24 20732 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET12266796  Lonicera hispidula J. I. Murphy 1906-1 37 San Mateo Kings Mt. Santa Cruz Mts., Santa Cruz Peninsula Comment
  CAS-BOT-BC241541  Lonicera involucrata var. ledebourii A. D. E. Elmer 1903-6-1 4272 San Mateo Lake San Andreas Comment
  RSA181234  Lonicera involucrata var. ledebourii John H. Thomas 1964-6-19 10429 San Mateo 0.9 miles S of Tunitas Creek near Coast Hwy, 61 Comment
  JROH2049  Lotus corniculatus John Hunter Thomas 1983-7-7 22826 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  HSC24031  Lotus corniculatus Mary Katherine Wicksten 1971-6-28 131 San Mateo Huddart Park. Near Park Office. 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
  UC81142  Lotus formosissimus Katharine Brandegee Jun 1905 San Mateo Moss Beach near Halfmoon Bay; Moss Beach Comment
  CDA28794  Lotus junceus D. G. Kelch 2009-6-9 9 .397 San Mateo Santa Cruz Mts.; Chert outcrop and adjacent mixed evergreen forest along Skyline Blvd ~1 km W of Skegg s Point. Comment
  UC15648  Lotus micranthus J. Burtt Davy Jun 21 1893-Jun 23 1893 1156 San Mateo Pilarcitos Lake and Canyon Comment
  UC311102  Lotus scoparius A. D. E. Elmer 1903-6-1 4447 San Mateo Belmont Comment
  POM18624  Lotus stipularis C. F. Baker 1902-5-10 805 San Mateo Kings Mountain. Comment
  POM276599  Lotus stipularis Lyman Benson 1931-5-10 2801 San Mateo Above Woodside; Kings Mountain. 457 Comment
  RSA132358  Lotus wrangelianus John H. Thomas 1955-5-6 4991 San Mateo Jasper Ridge about 3.5 miles southwest of Stanford University. 152 Comment
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Sep 19 2011
  POM276637  Lotus wrangelianus Lyman Benson 1930-5-1 2052 San Mateo Stanford University. 107 Comment
  JEPS83227  Lupinus Adele Lewis Grant 1917-3-6 938 San Mateo Pebble Beach near Pescadero; near Pescadero, Pebble Beach 3 Comment
  RSA253793  Lupinus C. P. Smith 1948-4-23 48142 San Mateo Highway 1, San Pedro Point, north grade. Comment
  UC15757  Lupinus affinis Alice Eastwood April 1896 San Mateo near Crystal Springs; near Crystal Springs Comment
  SEINET10488359  Lupinus affinis Charles F. Baker 1902-4-6 Baker 473 San Mateo Crystal springs lake. Colonies frequent along banks and grassy slopes, Especially near borders of thickets Comment
  SEINET12154347  Lupinus albicaulis L. K. Henry 1956-1 s.n. San Mateo along Pacific Ocean, at Pigeon Pt. Lighthouse on Rt 1 Comment
  UC201970  Lupinus albifrons A. D. E. Elmer May, 1903 4643 San Mateo Belmont Comment
  SEINET10969885  Lupinus albifrons Donald E. Bright 1962-4-16 Bright 225 San Mateo Disturbed roadside, 8 miles ne of santa cruz, near graham hill and sims road, Along hwy 17. Bushy plant ca 2 ft high and 3-4 ft broad Comment
  UCSB11482  Lupinus albifrons Olson, Jim 1962-4-17 San Mateo 10 miles north of Woodside on Canada Road 76 Comment
  CAS-BOT-BC196114  Lupinus albifrons var. collinus R. Hoffough 1929-5-18 611 San Mateo Crystal Springs Lake - Skyline Blvd near San Francisco Comment
  CAS-BOT-BC196115  Lupinus albifrons var. collinus Charles Piper Smith 1908-4-26 1417 San Mateo S. San Francisco - north, base of San Bruno Mt. Comment
  CAS-BOT-BC196118  Lupinus albifrons var. collinus Charles Piper Smith 1908-4-26 1417 San Mateo Side of San Bruno Mt., back of cemeteries Comment
  UC1084380  Lupinus albifrons var. collinus G. Thomas Robbins 1937-4-11 79 San Mateo Skyline Boulevard near County Jail San Francisco (San Francisco); s of San Francisco Comment
  JROH2119  Lupinus bicolor Toni Corelli 2010-3-29 364 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Road E at junction Trail 9 106 Comment
  UC711948  Lupinus bicolor Charles Piper Smith 1908-4-13 1402 San Mateo near Cedro Cottage Stanford University (Stanford University) Comment
  CAS-BOT-BC215066  Lupinus chamissonis Charles Piper Smith 1948-4-20 48107 San Mateo Highway 1, Edgemar sand dunes Comment
  SEINET12154485  Lupinus chamissonis M. T. Doutt 1931-1 238 San Mateo S of San Francisco Comment
  RSA134038  Lupinus latifolius subsp. latifolius W. R. Dudley 1894-4-21 s.n. San Mateo San Mateo Ravine. Comment
  RSA6904  Lupinus latifolius subsp. latifolius Patterson, Wiltz 1907-7-2 s.n. San Mateo San Jose Canyon, Santa Cruz Mountains. Comment
  UC127015  Lupinus latifolius var. latifolius J. Burtt Davy 1895-4-20 1085 San Mateo San Mateo Creek Comment
  UC311393  Lupinus microcarpus var. densiflorus A. D. E. Elmer May, 1903 4847 San Mateo Lake San Andreas Comment
  UC1129636  Lupinus nanus W. W. Akey 1935-5-25 25 San Mateo near Bolsa Point; Santa Cruz quad 30 Comment
  SEINET5628417 Image available Lupinus nanus A. A. Heller 1907-4-20 8452 San Mateo Near Lake Merced. Comment
  SEINET11072117 Image available Lupinus nanus subsp. latifolius Carl Mankinen 1967-4-5 San Mateo State Highway 1, 1.8 miles northwest of Gazos Creek Comment
  POM296673  Lupinus polycarpus L. S. Rose 1942-3-30 42006 San Mateo Mills Field 2 Comment
  SEINET11072303 Image available Lupinus polycarpus Lewis S. Rose 1942-3-30 42006 San Mateo Mills Fields 2 Comment
  JEPS81168  Lupinus polyphyllus Edward Lee with H. L. Mason 1935-6-16 1529 San Mateo between Ano Nuevo and Franklin Point; between Ano Nuevo and Franklin Point Comment
  RSA181297  Lupinus succulentus John H. Thomas 1965-4-13 10565 San Mateo Along El Camino Real in San Carlos. Comment
  SEINET10490986  Lupinus succulentus var. succulentus Smith 1948-4-23 Smith 48142 San Mateo Hwy 1. San Pedro Point, north grade. Comment
  SD39057  Lupinus tidestromii Edith A. Purer 1932-7-18 4009 San Mateo Half Moon Bay Comment
  SEINET10490286  Lupinus vallicola subsp. apricus David B. Dunn, Howard Brown 1946-5-16 Dunn 2600 San Mateo Collected on dry, rocky road out in the e side of the mtns of the san francisco Peninsula; 4.7 mi ne on the canyon rd from the jct with skyline drive (hwy 5). Comment
  POM276547  Lupinus variicolor Lyman D. Benson 1930-4-6 2041 San Mateo Moss Beach. West slope. 15 Comment
  CAS-BOT-BC441367  Luzula subsessilis Alice Eastwood 1914-3-12 s.n. San Mateo San Bruno Hills Comment
  JROH3398  Lysimachia latifolia John Hunter Thomas 1991-4-25 24997 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  RSA0015076  Lythrum californicum L. R. Abrams 1901-09 2219 San Mateo Menlo Park, borders of Bay. Comment
  RSA0011334  Lythrum hyssopifolia John H. Thomas 1954-5-28 4242 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco. 30 Comment
  RSA0011331  Lythrum hyssopifolia Josephine Randall 1907-6-29 244 San Mateo Kings Mt. Road; Santa Cruz Peninsula. Comment
  JEPS79507 Image available Lythrum salicaria Edward Lee 1978-8-24 San Mateo Princeton Marsh Comment
  CAS-BOT-BC342589  Madia Cherie Wetzel 1969-7-28 994 San Mateo Near Canada College, Redwood City, just off of Farm Hill Blvd. Comment
  UC501405  Madia elegans David D. Keck 1932-6-18 1979 San Mateo sw of Stanford University (Skyline Blvd at Langley Hill); Castle Rock Ridge 609 Comment
  POM362144  Madia elegans subsp. elegans E. A. Purer 1933-8-13 5421 San Mateo Santa Clara Valley, near Belmont Comment
  SD27831  Madia elegans subsp. elegans Carl B. Wolf 1929-5-17 3713 San Mateo 1.0 mile west of Skyline Blvd. on Alpine Road. 305 Comment
  RSA124756  Madia exigua John H. Thomas 1958-5-10 7141 San Mateo Jasper Ridge. About 5 miles SW of Palo Alto. 152 Comment
  CAS-BOT-BC344492  Madia exigua David D. Keck 1932-5-11 1761 San Mateo Above Searsville Lake, La Honda road, east slope of Santa Cruz Mountains Comment
  CAS-BOT-BC344493  Madia exigua Walter Knight; Irja Knight 1964-5-19 625 San Mateo San Bruno Mountain. North Power Line at Ridge Road Comment
  CAS-BOT-BC343330  Madia gracilis Fred Hemphill 1973-5-14 815 San Mateo San Carlos. Chaparral area north of Malabar Rd. and Melendy Dr. 207 Comment
  JROH1073  Madia gracilis John H. Thomas 1972-5-5 16080 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM298352  Madia gracilis D. D. Keck 1932-6-1 1787 San Mateo Above Woodside on the La Honda road, east slope of the Santa Cruz Mountains 305 Comment
  UC913111  Madia gracilis David D. Keck 1932-6-1 1787 San Mateo on La Honda Road above Woodside; east slope of the Santa Cruz Mtns. 305 Comment
  CAS-BOT-BC345109  Madia sativa Louis F. Pitelka 1974-5-28 s.n. San Mateo Bolsa Point, about 1 mi N of Pigeon Point and about 39 mi S of San Francisco Comment
  CAS-BOT-BC345110  Madia sativa J. H. Thomas 1963-7-19 10179 San Mateo Ano Nuevo Point Comment
  CAS-BOT-BC345125  Madia sativa Walter Knight; Irja Knight; Elizabeth McClintock 1963-9-2 s.n. San Mateo San Bruno Mountain. Radio Road Comment
  CAS-BOT-BC345136  Madia sativa LeRoy Abrams 1901-9-1 2227 San Mateo Menlo Park Comment
  JROH1112  Madia sativa John Hunter Thomas 1983-7-7 22828 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA11166  Madia sativa C. B. Wolf 1927-6-29 561 San Mateo South of Pebble Beach near Pescadero Comment
  CAS-BOT-BC345108  Madia sativa W. R. Dudley 1901-5-11 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Colma Comment
  CAS-BOT-BC345121  Madia sativa James I. McMurphy 1906-9-24 s.n. San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC345124  Madia sativa Walter Knight; Irja Knight 1965-5-9 1094 San Mateo San Bruno Mountain. Devil's Arroyo Comment
  CAS-BOT-BC345128  Madia sativa Lewis S. Rose 1966-8-6 66078 San Mateo San Bruno Mountain. Head of Colma Canyon 213 Comment
  CAS-BOT-BC345132  Madia sativa David D. Keck 1941-7-1 1869 San Mateo Base of Montara Mountain, near Montara 91 Comment
  CAS-BOT-BC345133  Madia sativa Peter H. Raven 1950-6-3 2218 San Mateo Millbrae Ave., Millbrae 60 Comment
  JROH1113  Madia sativa John Hunter Thomas 1988-6-6 24511 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Lakeside Laboratory Comment
  RSA184909  Madia sativa L. S. Rose 1966-8-6 66078 San Mateo San Bruno Mountain, head of Colma Canyon 213 Comment
  SD38971  Madia sativa Delzie Demaree 1932-5-30 9191 San Mateo Comment
  CHSC27854  Maianthemum racemosum Susan Perkins 1978-3-24 13 San Mateo Stage Road, 4 mi s of San Gregorio, 2.5 mi n of Pescadero, ca. 8 mi sw of La Honda. 60 Comment
  CAS-BOT-BC512108  Maianthemum racemosum subsp. amplexicaule Fred Hemphill 1973-4-8 720 San Mateo San Carlos. Chaparral area north of Malabar Road and Melendy Drive 207 Comment
  CAS-BOT-BC512104  Maianthemum racemosum subsp. amplexicaule Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo Romanzoffia ravine; San Bruno Mountain Comment
  CAS-BOT-BC512105  Maianthemum racemosum subsp. amplexicaule Daniel Cohen 1953-4-11 17 San Mateo About 1/3 of the way up Jasper Ridge Road from Searsville Lake. Comment
  CAS-BOT-BC512110  Maianthemum racemosum subsp. amplexicaule Mrs. S. G. Suttiffe 1921-4-3 s.n. San Mateo Lake Pilarcitos Comment
  CAS-BOT-BC514156  Maianthemum stellatum H. A. Lewis 1908-4-1 s.n. San Mateo Los Trancos Woods Comment
  CAS-BOT-BC514160  Maianthemum stellatum W. R. Dudley 1900-3-18 s. n. San Mateo Near San Andreas Comment
  SEINET3992466  Maianthemum stellatum Unknown 1950-4-6 1809 San Mateo Shaded canyon above Visitation Valley, San Bruno Mountains Comment
  RSA14939  Malacothamnus arcuatus J. T. Howell 1935-4-11 12579 San Mateo West end of Hayward-San Mateo Bridge Comment
  SD58248  Malacothamnus arcuatus R. L. Pendleton 1906-6-10 366 San Mateo Mountain View Road, 1.0 mile north of Saratoga. 130 Comment
  UC575701  Malacothamnus davidsonii Lewis S. Rose 1935-6-11 35213 San Mateo 3 mi w Stanford University Foothills Comment
  SBBG51307  Malva sylvestris J. Doty 1969-3-24 580 San Mateo N side of Embarcadero Rd, just W of W boundary of Byxbee Marshlands Wildlife Preserve, Menlo Park 1 Comment
  SD39324  Malvella leprosa Edith Purer 1933-8-13 5424 San Mateo Field, Santa Clara Valley near Belmont Comment
  CDA34452  Marah oregana M. Beyers, Z. Bakman, L. Feely, & D. Sozanni 2011-4-4 872 San Mateo Pacifica: San Pedro Valley County Park, along Brooks Creek Trail. 148 Comment
  UC131944  Marah oregana C. F. Baker 1902-4-4 450 San Mateo Crystal Springs Lake Comment
  RSA176525  Marrubium vulgare John H. Thomas 1962-7-15 9919 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  JROH615  Matricaria discoidea John H. Thomas 1965-5-12 10647 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2155  Medicago arabica John Hunter Thomas 1992-4-23 25156 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Rattlesnake Rocks and along trail to redwoods Comment
  JROH2162  Medicago polymorpha John H. Thomas 1966-4-24 11579 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2163  Medicago polymorpha John H. Thomas 1967-5-10 12864 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SD99483  Medicago polymorpha Ira L. Wiggins 1975-4-12 22139 San Mateo Northeast side of Southern Pacific right-of-way, between San Francisquito Creek and Ravenswood Avenue, Menlo Park. Comment
  POM319880  Melica californica Barbara Shervanick 1973-4-1 795 San Mateo San Bruno Mt. first summit on Crocker Road; Mt. Range: San Bruno Mountains; Drainage Area: San Francisco Bay. Comment
  POM87694  Melica californica Le Roy Abrams 1902-5-4 2407 San Mateo Woodside. Comment
  UCD88813  Melica torreyana A. A. Beetle 1942-6-11 3600 San Mateo Rt. 5, 15 miles south of San Bruno. Comment
  JROH2183  Melilotus indicus John H. Thomas 1970-7-5 15674 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2803  Melissa officinalis John Hunter Thomas 1992-7-24 25384 A San Mateo Jasper Ridge Biological Preserve, Stanford University; along causeway Comment
  JROH2797  Melissa officinalis John H. Thomas 1962-7-15 9919 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below dam Comment
  JROH2802  Melissa officinalis Carol Zabel 1989-8-7 21 San Mateo Jasper Ridge Biological Preserve, Stanford University; Trail 13, half way from causeway bridge to Leonard's bridge, north side of trail Comment
  CAS-BOT-BC290608  Mentha Peter Rubtzoff; Walter Knight; Irja Knight 1987-10-16 9866 San Mateo San Bruno Mountain. Saddle area on north side of Guadelupe Canyon Parkway west of Radio Road junction; NW part of the area along old Guadalupe Road. Comment
  RSA582110  Mentha canadensis L. S. Rose 1936-9-13 36730 San Mateo Granada 2 Comment
  OBI4715  Mercurialis annua T. C. Fuller 1960-6-23 4542 San Mateo E fence line, Sanchez Abode House, S side of Linda Mar Blvd, Pedro Valley Comment
  CDA31212  Mercurialis annua J. Eide 2010-2-19 PDR# 1527850 San Mateo East Palo Alto: in residential garden. 0 Comment
  CAS-BOT-BC438139  Mesembryanthemum nodiflorum W. R. O. 1973-10-10 1230 San Mateo Most stations; mobile estate project. Redwood City Comment
  JROH1135  Micropus californicus var. californicus John Hunter Thomas 1989-5-9 24719 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC348721  Microseris bigelovii John H. Thomas 1963-5-20 10146 San Mateo Ano Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz Comment
  JROH1144  Microseris douglasii subsp. douglasii John H. Thomas 1971-4-10 15749 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1145  Microseris douglasii subsp. douglasii John Hunter Thomas 1980-5-8 19958 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1147  Microseris douglasii subsp. douglasii John Hunter Thomas 1986-5-6 24014 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM289996  Microseris douglasii subsp. douglasii Arthur L. Cohen 1935-4-21 621 San Mateo Jasper Ridge, San Francisquito Creek. 122 Comment
  POM53382  Microseris douglasii subsp. tenella C. F. Baker 1902-5-4 756 San Mateo Woodside. Comment
  CAS-BOT-BC349189  Microseris elegans R. E. Frenkel 1964-5-22 504 San Mateo SFWD, 0.3 mile north of Sawyer Ridge Road, on Portola Ridge Road 268 Comment
  UC2044060  Microseris paludosa Neal Kramer 2005-5-14 CR 440 San Mateo POST Cloverdale Ranch. North end of the Mesa approx. 0.4 mi east of Lake Lucerne. Comment
  RSA120822  Mimulus aurantiacus var. aurantiacus S. S. Tillett, I. Sternback 1956-6-25 539 San Mateo Along road into Portola State Park 396 Comment
  RSA130970  Mimulus aurantiacus var. aurantiacus W. R. Dudley 1895-6-14 s.n. San Mateo Top of ridge near Searsville Dam. Comment
  RSA550794  Mimulus aurantiacus var. aurantiacus David M. Thompson 1992-6-3 1105 San Mateo 1.2 ms S of Hwy 35 (Skyline Blvd) along Hwy 84 (La Honda Road) 335 Comment
  UCSB11439  Mimulus aurantiacus var. aurantiacus Olson, Jim 1962-4-17 San Mateo 1 mile east of Halfmoon Bay on road to San Mateo 18 Comment
  JROH4078  Mimulus cardinalis John H. Thomas 1961-6-14 9544 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  UC567220  Mimulus guttatus H. S. Yates 1935-5-7 5217 San Mateo 2 mi s Pescadero; Santa Cruz Quadrangle 60 Comment
  JROH4085  Mimulus guttatus Herbert Dengler 1961-4-3 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; at highest point of J.R. Preserve Comment
  SEINET5561542  Mimulus guttatus H. S. Gentry 1931-1 93 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  RSA63116  Monardella purpurea L. S. Rose 1950-5-20 50135 San Mateo Emerald Lake region, hills w. of Redwood City. 244 Comment
  CAS-BOT-BC214070  Monardella villosa Charles Piper Smith 1908-5-31 1444 San Mateo San Mateo Canyon Comment
  CAS-BOT-BC214080  Monardella villosa Margaret A. Barry 1937-6-22 158 San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC214062  Monardella villosa W. R. Dudley 1894-7-7 s.n. San Mateo Bear Gulch Road, Santa Cruz Mountain Peninsula Comment
  CAS-BOT-BC214063  Monardella villosa Lewis S. Rose 1965-6-15 65080 San Mateo South of parking lot near summit, San Bruno Mountain 365 Comment
  JROH2832  Monardella villosa subsp. villosa L. R. Abrams 1914-6-2 5112 San Mateo Jasper Ridge Biological Preserve, Stanford University; Searsville ridge Comment
  CAS-BOT-BC444951  Montia fontana Evelina Cannon 1895-4-9 s.n. San Mateo South San Francisco Comment
  JEPS127796  Muilla maritima Adam C. Schneider with C. Matt Guilliams 2013-4-7 65 San Mateo Along dirt road running parallel to the overhead power transmission lines. Comment
  CAS-BOT-BC508582  Muilla maritima George Oberlander 1950-4-16 686 San Mateo Below San Andreas Dam Comment
  CAS-BOT-BC508583  Muilla maritima Helen M. Edwards 1917-4-12 s.n. San Mateo Near Crystal Springs Lake Comment
  POM291273  Muilla maritima Lyman Benson 1931-3-10 2643 San Mateo Redwood City. Santa Cruz mtn range, Emerald Lake. 152 Comment
  CDA28803  Myosotis latifolia D. G. Kelch 2009-6-9 9 .403 San Mateo Santa Cruz Mts.; Chert outcrop and adjacent mixed evergreen forest along Skyline Blvd ~1 km W of Skegg s Point. Comment
  CDA34567  Myosotis latifolia M. Beyers, Z. Bakman, L. Feely, & D. Sozanni 2011-4-4 876 San Mateo Pacifica: San Pedro Valley County Park, along Brooks Creek Trail. 148 Comment
  JROH1397  Myosotis latifolia John H. Thomas 1961-5-5 9207 San Mateo Jasper Ridge Biological Preserve, Stanford University; along San Francisquito Creek below Searsville Dam 76 Comment
  RSA18201  Myosotis latifolia C. B. Wolf 1929-5-25 3735 San Mateo 2 miles from Pescadero on Alpine Creek. Comment
  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
  JROH2700  Myriophyllum aquaticum John Hunter Thomas 1989-6-6 24758 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1236536  Myriophyllum spicatum J. H. Thomas 1955-12-6 5513 San Mateo 5 and 10 feet deep at the southern end of San Andreas Lake. Comment
  CAS-BOT-BC260024  Nassella lepida Phillip C. Wheeler 1965-5-18 s.n. San Mateo San Bruno Mountain. Near base of mountain near Olivet Cemetary Comment
  UCD87837  Nassella lepida Beecher Crampton 1962-6-11 6506 San Mateo Sharp Park, suburb of Pacifica, Mori's Point Road west of State Hwy. 1. Comment
  CAS-BOT-BC260025  Nassella lepida M. E. Lang May, [1913 or 1923] s.n. San Mateo Mud Lakes Comment
  POM199067  Nassella pulchra A. D. E. Elmer 1903-06 4712 San Mateo Crystal Springs Lake. Comment
  UCD37956  Nassella pulchra Beecher Crampton 1962-6-11 6486 San Mateo San Mateo County, 5 miles west of Belmont, at junction of Ralston Avenue and and Skyline Boulevard, at foot of western slope of Pulgas Ridge, along eastern side of lower Crystal Springs Reservoir. Comment
  UCD87481  Nassella pulchra Beecher Crampton 1962-6-11 6486 San Mateo 5 miles west of Belmont, junction Ralston Ave. and Skyline Blvd. Comment
  UCD87671  Nassella pulchra Lewis S. Rose 1963-4-27 63000 San Mateo Skyline Blvd. West of San Mateo. 91 Comment
  JROH1571  Nasturtium officinale John H. Thomas 1973-6-15 16830 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET3479173  Navarretia heterodoxa L. S. Rose 1941-6-12 41269 San Mateo West of Redwood City, West of Redwood City, Emerald Lake 120 Comment
  JROH3210  Navarretia squarrosa John H. Thomas 1973-6-15 16835 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JEPS48591  Navarretia squarrosa James G. Daly 1934-1 382 San Mateo near road to La Honda (San Gregorio watershed, on ridge of Santa Cruz Mts., sw San Mateo County); Santa Cruz Mts., San Gregorio 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
  POM65449  Nemophila menziesii var. menziesii A. D. E. Elmer 1903-04 4737 San Mateo Cemeteries Comment
  RSA14384  Nemophila menziesii var. menziesii Elmer I. Applegate 1895-3-3 355 San Mateo Lobitas. Comment
  CAS-BOT-BC219482  Nemophila parviflora J. H. Thomas 1954-4-15 3906 San Mateo About 1 1/2 mile SW of Searsville Lake 228 Comment
  CAS-BOT-BC219490  Nemophila parviflora John Thomas Howell 1940-5-23 15517 San Mateo Stone Dam near Lake Pilarcitos Comment
  CAS-BOT-BC219476  Nemophila parviflora Mrs. E. C. Sutliffe 1933-5-11 s.n. San Mateo Memorial Park, near La Honda Comment
  CAS-BOT-BC219483  Nemophila parviflora Ira L. Wiggins 1925-4-1 1670 San Mateo On Kings Mountain Road above Woodside Comment
  UCSB1036  Notholithocarpus densiflorus Muller, Cornelius 1951-1-28 San Mateo South of Pescadero Comment
  CAS-BOT-BC140427  Oemleria cerasiformis W. R. Dudley 1900-3-1 s.n. San Mateo By road N. of Summit Springs Comment
  CAS-BOT-BC140446  Oemleria cerasiformis Elizabeth McClintock 1967-6-24 s.n. San Mateo Lower Colma Canyon Comment
  JROH3710  Oemleria cerasiformis John H. Thomas 1977-4-28 18566 C San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM275613  Oemleria cerasiformis Lyman D. Benson 1929-3-5 978 San Mateo Road from Searsville Lake to King's Mountain. Comment
  RSA15259  Oemleria cerasiformis Carl B. Wolf 1927-2-26 222 San Mateo In chaparral on east side of La Honda grade. Comment
  UCSC004918  Oenothera elata Monica Larenas 1985-6-1 22 San Mateo Hwy 1, 1 mi N of Bean Hollow Comment
  UC2061401  Oenothera elata subsp. hookeri H. W. Johansen 1958-5-18 23 San Mateo Coast Hwy 1, S of Pescadero Comment
  HSC23991  Oenothera elata subsp. hookeri Mary Katherine Wicksten 1971-6-27 125 San Mateo Princeton, by Hwy. 1 Comment
  SJSU14729  Ornithostaphylos oppositifolia C. W. Sharsmith 1991-12-14 9231 San Mateo Buena Vista Nursery, Woodside Comment
  SEINET199760  Orobanche californica subsp. californica Herbert L. Mason 1927-7-28 3983 San Mateo Pigeon Point Comment
  CAS-BOT-BC500166  Orobanche fasciculata David D. Keck 1932-6-18 1982 San Mateo Skyline Blvd., at Langley Hill (SW of Stanford Uniersity) 600 Comment
  CAS-BOT-BC500317  Orobanche uniflora subsp. occidentalis Walter Knight; Irja Knight 1965-4-25 1073 San Mateo San Bruno Mountain: Owl's Canyon ner rock ledges Comment
  POM15373  Orthocarpus erianthus var. roseus A. D. E. Elmer 1903-05 4670 San Mateo South San Francisco. Comment
  POM190455  Orthocarpus floribundus D. D. Keck 1932-5-6 1471 San Mateo One mile south of San Mateo, on US Hwy 101. Comment
  POM204462  Orthocarpus floribundus J. T. Howell 1933-5-26 11346 San Mateo Crystal Springs Lake. Comment
  SEINET3159752  Orthocarpus floribundus K. C. sn San Mateo Millbrae Comment
  SEINET10829382  Orthocarpus floribundus Robert F. Hoover 1939-4-21 Hoover 4057 San Mateo 2 miles south of Colma. Comment
  JROH298  Osmorhiza berteroi John Hunter Thomas 1986-5-1 23998 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH302  Osmorhiza berteroi John Hunter Thomas 1992-4-30 25174 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CHSC1970  Osmorhiza chilensis A. Goekler 1929-5-11 San Mateo Moss Beach. Comment
  HSC16710  Oxalis oregana P. A. Murphy 1965-4-16 35 San Mateo 6 mi. from Half Moon Bay in Hatches Woods Comment
  RSA130344  Oxalis oregana W. R. Dudley 1894-3-26 s.n. San Mateo Santa Cruz Peninsula: Redwoods beyond Kings, Santa Cruz Range Comment
  SEINET10870216  Oxalis oregana R. D. Sage 1992-1-6 Sage 13395 -2 San Mateo Collected along purisima creek rd trail in purisima creek redwoods open space preserve. 9 Km w woodside. 244 Comment
  CAS-BOT-BC253972  Parapholis incurva V. F. Hesse 1964-5-26 3210 San Mateo Near (S of) Pigeon Point 15 Comment
  LA14373  Parapholis incurva A. Hornay; 1932-5-29 sn San Mateo San Bruno Comment
  UCSC000079  Parapholis incurva A. Hormay 1932-5-29 16 San Mateo San Bruno 0 Comment
  JROH5346  Paspalum distichum John H. Thomas 1978-9-24 19340 San Mateo Jasper Ridge Biological Preserve, Stanford University. East end of dam. Comment
  JROH1401  Pectocarya pusilla L. Roush & G. Kimber 1918-5-2 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5551  Pectocarya pusilla John Rawlings 2013-4-16 1126 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 2 extension about 120 meters northwest from trail marker, east side of trail 136 Comment
  JROH4119  Pedicularis densiflora John Hunter Thomas 1985-4-22 23550 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD123330  Pedicularis densiflora Lewis S. Rose 1964-3-23 64013 San Mateo Emerald Lake, west of Redwood City. 121 Comment
  RSA125136  Pedicularis dudleyi E. F. Sprague 1957-5-26 1703 San Mateo Portola State Park, about campground headquarters 305 Comment
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Mar 2 2010
  RSA130986  Pedicularis dudleyi W. R. Dudley 1903-5-2 s.n. San Mateo Bank near fork of road to Old Page Mill Comment
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Feb 18 2016
  UCSC003376  Pelargonium grossularioides Randall Morgan 2001-5-5 3724 San Mateo south of Franklin Point, San Mateo County 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
  JEPS23863  Pelargonium vitifolium J. H. Thomas 1959-8-16 8066 San Mateo about 2 mi n Pigeon Point (along the coast) 15 Comment
  UC1063604  Pellaea andromedifolia R. C. Wilson 1935-8-2 244 San Mateo head of Harington Creek; Santa Cruz Quadrangle Comment
  SEINET4555767 Image available Pellaea andromedifolia John P. Young 1925-1-9 San Mateo Burlingame Comment
  CDA35479  Pennisetum villosum Ed Finley 1992-11-1 PDR# 1013531 San Mateo South San Francisco; north of Oyster Point Blvd., Southern Pacific Railroad right-of-way. 0 Comment
  UC197089  Pentachaeta alsinoides E. L. Greene 1886-5-9 San Mateo Belmont Comment
  UCD134867  Pentachaeta alsinoides John H. Thomas 1958-5-10 7155 San Mateo Jasper Ridge, about 5 miles southwest of Palo Alto. 152 Comment
  CAS-BOT-BC330499  Pentachaeta bellidiflora John H. Thomas 1971-5-2 15821 San Mateo Near intersection of Canada Road and Edgewater [Edgewood] Road, about 3 miles westward from Redwood City. 152 Comment
  UC133379  Pentachaeta exilis C. F. Baker 1902-4-4 446 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC77007  Pentagramma triangularis subsp. triangularis George Oberlander 1950-2-1 400 San Mateo San Francisco Watershed Reserve - Pilarcitos Canyon Comment
  JROH109  Pentagramma triangularis subsp. triangularis John H. Thomas 1968-3-17 14194 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  POM132815  Perideridia kelloggii A. D. E. Elmer 1901-09 3411 San Mateo Crystal Springs Comment
  UC1389980  Perideridia kelloggii T. I. Chuang, F. M. Chuang, and S. Banwar 1965-8-3 6012 San Mateo 4.3 mi s Half Moon Bay (on Hwy 1) Comment
  JROH3251  Persicaria amphibia John Hunter Thomas 1981-7-12 20705 San Mateo Jasper Ridge Biological Preserve, Stanford University. On old beach in shallow water. Comment
  JROH3286  Persicaria punctata John Hunter Thomas 1991-11-21 25101 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low-flow crossing of San Francisquito Creek. Comment
  CAS-BOT-BC419389  Persicaria punctata W. R. Dudley 1897-10-11 s.n. San Mateo Santa Cruz Peninsula. Toward PIlar Pt. Comment
  CAS-BOT-BC330312  Petasites frigidus var. palmatus W. R. Dudley 1894-3-23 s.n. San Mateo Santa Cruz Mountain Peninsula. By La Honda Creek, Redwoods above hotel Comment
  CAS-BOT-BC330313  Petasites frigidus var. palmatus Roxana S. Ferris 1918-3-30 750 San Mateo Peters Creek, 1 mi above Evans Creek Comment
  RSA116726  Petasites palmatus L. R. Abrams 1904-3-7 s.n. San Mateo Bear Gulch. Santa Cruz Mountain Peninsula. Comment
  JEPS23907  Petunia parviflora Le Roy Abrams 1902-9-2 2994 San Mateo Crystal Springs Comment
  RSA144781  Phacelia californica John H. Thomas 1958-3-19 7045 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco. 30 Comment
  UCD120300  Phacelia californica J. Doty 1969-3-26 596 San Mateo 100 yards east of the junction of State Highways 35 and 92, near summit of Coast Range. Comment
  SEINET3121782 Image available Phacelia californica John Thomas Howell 1929-8-11 4373 San Mateo King Mountain Comment
  JEPS2271  Phacelia ciliata var. ciliata L. T. Dempster 1935-3-31 San Mateo near east end of San Mateo Bridge Comment
  POM65579  Phacelia distans C. F. Baker 1902-4-4 442 San Mateo Crystal Springs Lake Comment
  POM128434  Phacelia distans L. R. Abrams 1902-4-13 2345 San Mateo San Mateo Canyon. Comment
  RSA426083  Phacelia distans L. S. Rose 1939-4-13 39065 San Mateo San Mateo Canyon near Crystal Springs Lake. 61 Comment
  UC735097  Phacelia imbricata subsp. imbricata Lincoln Constance 1946-6-7 3078 San Mateo Skyline Drive about 5 mi se Portola 457 Comment
  SEINET3840788  Phacelia malvifolia Unknown 2005-6-21 5 .367 San Mateo Northeast corner of Pilarcitos Lake, SF Water District land 250 Comment
  POM65465  Phacelia nemoralis subsp. nemoralis A. D. E. Elmer 1903-06 4419 San Mateo Crystal Springs Lake. Comment
  JROH5376  Phalaris aquatica John Hunter Thomas 1989-6-6 24760 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA187374  Phalaris aquatica John H. Thomas 1958-8-1 7375 San Mateo Just N of mouth of San Gregorio Creek 30 Comment
  POM199083  Phalaris californica A. D. E. Elmer 1903-06 4699 San Mateo Crystal Springs Lake. Comment
  SJSU15792  Phalaris californica Toni Corelli 2010-6-1 641 San Mateo Wavecrest, west of Highway 1 in Half Moon Bay. 23 Comment
  SEINET10887598  Phalaris californica Adolph D. E. Elmer Elmer 4699 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC250641  Phalaris minor David D. Keck 1932-5-6 1464 San Mateo Belmont Comment
  CAS-BOT-BC250644  Phalaris minor J. H. Thomas 1954-4-3 3828 San Mateo San Gregorio Creek drainage, 1.2 miles inland from San Gregorio 60 Comment
  CAS-BOT-BC250645  Phalaris minor L. R. Abrams 1927-6-4 s.n. San Mateo San Gregorio Comment
  UC820505  Phalaris minor John Thomas Howell 1937-7-5 13099 San Mateo along Bayshore Highway Redwood City Comment
  JROH4294  Phoradendron leucarpum subsp. tomentosum John Hunter Thomas 1979-1-31 19348 San Mateo Jasper Ridge Biological Preserve, Stanford University 182 Comment
  CAS-BOT-BC171182  Phoradendron serotinum subsp. tomentosum Paul Arnaud 1941-5-3 s.n. San Mateo Jefferson Avenue in hills, Redwood City Comment
  CAS-BOT-BC171183  Phoradendron serotinum subsp. tomentosum John H. Thomas 1960-3-1 8536 San Mateo Jasper Ridge, about 5 miles SW of Palo Alto 182 Comment
  UC2056116  Phyllospadix torreyi 2015-6-18 San Mateo Pescadero. beds south of promontory Comment
  CAS-BOT-BC142186  Physocarpus capitatus Walter Knight 1963-6-24 s.n. San Mateo Quarry 4 - San Bruno Mountain Comment
  LA205150  Pickeringia montana subsp. montana U. S. Grant; 1926-9-6 sn San Mateo Kings Mountain 609 Comment
  RSA177001  Picris echioides John H. Thomas 1964-11-15 10525 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto; at edge of Searsville Lake. Comment
  CAS-BOT-BC136528  Piperia candida W. R. Dudley 1905-6-18 s.n. San Mateo Field redacted by CAS, contact the data manager for more information Comment
  UC1371043  Piperia elegans Theodore F. Niehaus 1968-8-14 836 San Mateo ne slopes San Bruno Mountain Comment
  CAS-BOT-BC137321  Piperia elegans Elizabeth McClintock 1965-8-1 s.n. San Mateo Field redacted by CAS, contact the data manager for more information Comment
  JROH5802  Piperia transversa John Rawlings, Ann Lambrecht, Diane Renshaw 2016-7-12 1894 San Mateo Jasper Ridge Biological Preserve, Stanford University. Rd E through chaparral 135 Comment
  JEPS125908  Pittosporum crassifolium D. W. Taylor 2002-3-30 17961 San Mateo Sea bluff on S edge outlet of Martini Creek, Montara State Beach Comment
  CAS-BOT-BC228027  Plagiobothrys Mary Nimitz 1952-5-10 77 San Mateo Top of Jasper Ridge above Searsville Lake Comment
  CAS-BOT-BC228141  Plagiobothrys chorisianus Alice Eastwood 1915-6-13 4717 San Mateo Granada Comment
  CAS-BOT-BC228137  Plagiobothrys chorisianus Roxana S. Ferris 1920-4-23 1953 San Mateo The Santa Cruz Mountain Peninsula. On abandoned road above N fork of Peters Creek, about spring 640 Comment
  RSA216143  Plagiobothrys chorisianus P. H. Raven 1954-5-16 s.n. San Mateo North of mouth of Lobos Creek, Presidio Comment
  RSA320763  Plagiobothrys chorisianus Robert A. Norris 1984-3-21 4650 San Mateo along trail in saddle between Parking Lot (and summit) and Blue Blossom Hill, San Bruno Mountains 305 Comment
  CAS-BOT-BC228164  Plagiobothrys chorisianus var. chorisianus J. I. McMurphy 1906-5-8 s.n. San Mateo The Santa Cruz Mountain Peninsula. Pond by road between Woodside and Byrne's Store Comment
  RSA128818  Plagiobothrys chorisianus var. chorisianus W. R. Dudley 1896-4-4 s.n. San Mateo 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
  JROH1416  Plagiobothrys chorisianus var. hickmanii John Hunter Thomas 1982-4-30 20882 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
  JROH1424  Plagiobothrys nothofulvus John H. Thomas 1969-4-12 14879 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  JROH1425  Plagiobothrys nothofulvus John H. Thomas 1970-4-4 15542 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1427  Plagiobothrys nothofulvus John H. Thomas 1975-4-5 17714 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC511480  Plagiobothrys nothofulvus Ira L. Wiggins 1933-4-17 6651 San Mateo 2 mi w Redwood City; Emeral Lake hills Comment
  UCSC007767  Plantago coronopus Becky Hendricks, Chris Lay 2012-6-22 s.n. San Mateo Ano Nuevo State Park Comment
  JEPS22018  Plantago elongata G. Thomas Robbins with S. Galen Smith 1958-6-9 3861 San Mateo about 0.5 mi s Pescadero Point (around the edges of the parking area at Pebble Beach); Pebble Beach Comment
  CHSC24897  Plantago erecta B. A. Rosene 1976-4-18 1 San Mateo Ca. 2.4 km nw of entrance to California State Game Refuge. 182 Comment
  JROH3109  Plantago erecta John H. Thomas 1957-4-16 6656 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent slopes Comment
  JROH3120  Plantago erecta John Hunter Thomas 1982-4-28 20871 A San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5611  Plantago erecta John Rawlings 2014-4-11 1214 San Mateo Jasper Ridge Biological Preserve, Stanford University. In road G immediately north of its intersection with Rd. J. 105 Comment
  SBBG33953  Plantago erecta L. S. Rose 1966-5-2 San Mateo Emerald Lake, W of Redwood City 91 Comment
  UC203055  Plantago erecta A. D. E. Elmer Apr 1903 4795 San Mateo San Bruno Hills Comment
  SEINET6205137  Plantago hookeriana var. californica L. S. Rose 1965-1 65056 San Mateo San Bruno Mtn, N end Comment
  CDA34345  Plantago major E. Finley 1990-10-16 s.n. San Mateo Shoreline Blvd, Mountain View. 0 Comment
  UC1736686  Plantago subnuda Dean W. Taylor 1991-5-20 11790 San Mateo coastal bluffs near south bank of Pescadero Creek at Highway 1 9 Comment
  SD38887  Plectritis ciliosa Cumming, Mc Callum 1933-5-10 3716 San Mateo Near Spring Valley lakes Comment
  CAS-BOT-BC6386  Plectritis congesta subsp. nitida Amos Arthur Heller 1907-5-28 8578 San Mateo Above Crystal Springs Lake Comment
  UC204163  Pleuricospora fimbriolata A. D. E. Elmer Jun 1903 5075 San Mateo on Big Basin trail, Iverson's Place Comment
  CAS-BOT-BC260964  Pleuropogon californicus var. californicus A. D. E. Elmer 1903-6-1 4848 San Mateo Milbrae Comment
  CAS-BOT-BC260965  Pleuropogon californicus var. californicus George Oberlander 1950-6-3 614 San Mateo San Francisco Watershed Reserve Comment
  UCD90352  Poa annua W. R. Dudley 1894-5-1 s.n. San Mateo Crystal Springs. Comment
  JEPS112938  Poa douglasii Dean W. Taylor 2002-3-20 17956 San Mateo Franklin Point, in dune sand just inland from the actual point 3 Comment
  SJSU7645  Poa kelloggii T. J. Sammis 1974-5-16 San Mateo redwood forest between Pescadero Road & Pescadero Creek c. 1 mi W of Loma Mar Comment
  CAS-BOT-BC243127  Poa secunda subsp. secunda George Thomas Oberlander 1950-4-16 653 San Mateo San Francisco Watershed Reserve. Cahill Ridge Comment
  JROH5950  Poa secunda subsp. secunda John Rawlings 2017-4-3 2013 San Mateo Jasper Ridge Biological Preserve, Stanford University; around seep in opening in serpentine chaparral, upper Big Inlet drainage of Searsville Lake 149 Comment
  JROH6180  Poa secunda subsp. secunda John Rawlings 2004-5-8 796 San Mateo Jasper Ridge Biological Preserve, Stanford University; east serpentine about 150 m west of Escobar Gate; 166 Comment
  CAS-BOT-BC244252  Poa unilateralis Dr. E. B. Copeland 1903-6-17 3306 San Mateo Montara Point Comment
  CAS-BOT-BC244253  Poa unilateralis Walter & Irja Knight 1965-3-21 s.n. San Mateo San Bruno Mountain. E of Brisbane power lines on ridge Comment
  POM204731  Poa unilateralis C. F. Baker 1904-5-24 3259 San Mateo Montara Point. Comment
  JROH2858  Pogogyne serpylloides John H. Thomas 1973-6-10 16827 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC166771  Polygonum arenastrum Peter Rubtzoff 1977-4-16 8953 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, East Fork Colma Creek Canyon. Comment
  JEPS81637  Polygonum aviculare subsp. depressum J. C. Hickman 1981-7-21 1003 San Mateo Ano Nuevo Reserve; near center Comment
  UC1187045  Polygonum paronychia V. F. Hesse 1956-11-15 2137 San Mateo coastal bluff between Pigeon Point and Pebble Beach 6 Comment
  UCR240610  Polygonum paronychia T. B. Salvato, Lia V. D. Mansfield, Joel-Henry J. Mansfield 2008-6-14 3526 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
  RSA120434  Polygonum punctatum Roxana S. Ferris 1924-10-6 4093 San Mateo Searville Lake on Portola Hwy. Comment
  UC150374  Polypodium C. F. Baker 1902-1-15 235 San Mateo w side King's Mt. Comment
  CAS-BOT-BC76901  Polypodium californicum Elizabeth McClintock; David Schooly; Kim Marcus 1975-4-13 s.n. San Mateo San Bruno Mountain - grassy slope above Hillside Blvd., south San Francisco Comment
  JROH80  Polypodium californicum Lawrence J. Winship 1974-11-16 18 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  CAS-BOT-BC76805  Polypodium glycyrrhiza W. R. Dudley 1898-3-5 s.n. San Mateo Santa Cruz Peninsula - King's Mountain Comment
  JEPS79496  Polypodium glycyrrhiza Edward Lee with A. Carter, E. Crum, and C. Belshaw 1936-1-26 1721 San Mateo 2.6 mi out of Woodside (e side Cahill Ridge, Kings Mt. Rd.) Comment
  CAS-BOT-BC72111  Polypodium scouleri L. R. Abrams 1926-5-26 11217 San Mateo San Bruno Hills near Daly City Comment
  SEINET8044537  Polypodium vulgare var. intermedium Richard A. Dodge 1957-1 74 San Mateo 1 mi down Pig Ranch Road, from Skyline Boulevard, 3/4 mi from ocean. 91 Comment
  JEPS48462  Polypogon australis James G. Daly 1934-1 444 San Mateo sw La Honda (n-facing slopes in lower San Gregorio Canyon); lower San Gregorio Canyon Comment
  CAS-BOT-BC237344  Polypogon monspeliensis Ned Cahill 1974-5-18 289 San Mateo Near the intersection of Canada and Edgewood roads, about 3 miles W from Redwood City Comment
  CAS-BOT-BC237345  Polypogon monspeliensis Ira L. Wiggins 1973-6-24 22019 San Mateo In bed of San Francisquito Creek, 50-60 m upstream from Pope Street Bridge, along boundary between San Mateo and Santa Clara counties Comment
  CAS-BOT-BC237348  Polypogon monspeliensis L. R. Abrams; I. L. Wiggins 1939-6-3 432 San Mateo Ano Nuevo Point Comment
  JROH5451  Polypogon monspeliensis John Hunter Thomas 1981-7-12 20685 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near boat dock. Comment
  CAS-BOT-BC237585  Polypogon viridis Peter Rubtzoff; Walter & Irja Knight 1987-6-26 9793 San Mateo San Bruno Mountains, saddle area on N side of Guadalupe junction, near road in the area of the uppermost part of East Fork Colma Creek in the NW corner of Fog Forest Comment
  CAS-BOT-BC237588  Polypogon viridis George Oberlander 1950-6-3 1028 San Mateo San Francisco Watershed Reserve. Upper Crystal Spring Lake Comment
  JROH45  Polystichum dudleyi Lawrence J. Winship 1974-11-2 1 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  CAS-BOT-BC72227  Polystichum dudleyi Kate O. Sessions s.n. San Mateo unspecified Comment
  JROH55  Polystichum munitum Lawrence J. Winship 1974-11-16 19 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  CAS-BOT-BC76643  Polystichum munitum Roman Gankin 1987-11-6 9885 San Mateo San Bruno Mountains - saddle area on north side of Guadelupe Canyon Parkway west of Radio Road junction. Comment
  RSA681612  Populus fremontii Annuschka Deb 1989-7-28 328 San Mateo YBN Demonstration Garden. Comment
  JROH3360  Portulaca oleracea John Hunter Thomas 1982-11-6 21200 San Mateo Jasper Ridge Biological Preserve, Stanford University. Delta along edge of Searsville Lake Comment
  JROH5510  Potamogeton crispus Alan Grundman 1976-5-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake Comment
  CAS-BOT-BC257679  Potamogeton illinoensis Peter Rubtzoff 1965-10-19 5664 San Mateo Pilarcitos Lake. Comment
  UC438  Potamogeton illinoensis J. Burtt Davy Jun 21 1893-Jun 23 1893 1132 San Mateo Pilarcito Lake and Canyon Pilarcito Lake Comment
  CAS-BOT-BC454007  Potamogeton pectinatus W. R. Dudley 1903-7-21 s.n. San Mateo Near Hallidie's, Portola Comment
  CAS-BOT-BC454050  Potamogeton pusillus subsp. pusillus W. R. Dudley 1909-10-10 s.n. San Mateo Santa Cruz Mountain Peninsula. Near Club House, Crystal Springs Reservoir Comment
  UCR141424  Potentilla anserina June Latting 1975-6-8 s.n. San Mateo Central Coast, slough across from Pescadero dump (on Bean Hollow Rd.), west of Pescadero 9 Comment
  CAS-BOT-BC389769  Potentilla anserina R. D. Hennessey 1964-4-26 68 San Mateo Area in which Pilarcitos Creek empties into ocean Comment
  CAS-BOT-BC141937  Potentilla anserina subsp. pacifica W. R. Dudley 1896-4-18 s.n. San Mateo Pebble Beach at Pescadero - Santa Cruz Peninsula Comment
  JEPS44182  Potentilla anserina subsp. pacifica Alice King 1908-7-25 San Mateo near San Francisco (Moss Beach); Moss Bearch Comment
  UC1128137  Potentilla anserina subsp. pacifica H. S. Yates 1935-5-8 5221 San Mateo 2 mi sw Pescadero; Santa Cruz Quad. Comment
  SD37699  Potentilla glandulosa Edith A. Purer 1933-5-10 3629 San Mateo Steven's Creek Comment
  CAS-BOT-BC516349  Prosartes hookeri J. H. Thomas 1954-4-3 3819 San Mateo Along San Gregorio Creek about 1.5 miles west of La Honda 106 Comment
  JROH4676  Prosartes hookeri John Hunter Thomas 1985-4-25 23567 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC516348  Prosartes hookeri J. H. Thomas 1949-4-14 269 San Mateo Kings Mountain Comment
  CAS-BOT-BC516361  Prosartes hookeri Elizabeth McClintock 1965-3-28 s.n. San Mateo Devil's Arroyo, San Bruno Mountain Comment
  CAS-BOT-BC517385  Prosartes smithii L. S. Rose 1931-4-4 s.n. San Mateo Kings Mountain Comment
  CAS-BOT-BC517388  Prosartes smithii E. W. Rust 1887-4-27 133 San Mateo Kings Mountain Comment
  SJSU9997  Prosartes smithii R. L. Roney 1974-4-27 San Mateo N side of La Honda Creek 457 Comment
  HSC24024  Prunella vulgaris subsp. lanceolata Mary Katherine Wicksten 1971-6-24 123 San Mateo Huddart Park, near entrance Comment
  CDA40755  Prunella vulgaris subsp. vulgaris Villegas & France 1972-8-7 PDR # 37028 San Mateo 415 Cypress Avenue, Millbrae. 0 Comment
  RSA101018  Prunella vulgaris var. lanceolata G. Oberlander 1941-7-30 331 San Mateo Cahill Ridge, San Francisco Watershed Reserve Comment
  JROH3751  Prunus John Hunter Thomas 1981-4-5 20290 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along San Francisquito Creek Comment
  POM139640  Prunus emarginata A. D. E. Elmer 1903-05 4523 San Mateo Searsville Lake Comment
  UC1128422  Prunus ilicifolia A. Wright 1928-9-16 San Mateo San Andreas Lake 152 Comment
  UC202781  Prunus ilicifolia A. D. E. Elmer July, 1903 4773 San Mateo Pilarcitos Stone Dam Comment
  CAS-BOT-BC156361  Prunus virginiana var. demissa George Oberlander 1949-6-25 245 San Mateo Pilarcitos Canyon Comment
  RSA112470  Prunus virginiana var. demissa James I. McMurphy 1906-4-28 16 San Mateo Corte de Madera Creek. Santa Cruz Mtns. Comment
Read comments
Dec 13 2015
  OBI16449  Pseudognaphalium beneolens Lewis S. Rose 1966-8-15 66082 San Mateo Emerald lake, W of Redwood City 91 Comment
  JROH772  Pseudognaphalium beneolens John H. Thomas 1964-11-29 10537 San Mateo Jasper Ridge Biological Preserve, Stanford University; W end of Searsville dam Comment
  CAS-BOT-BC356867  Pseudognaphalium californicum Elizabeth McClintock; Carlyn Halde 1963-6-23 s.n. San Mateo San Bruno Mountain. East facing slope below parking lot Comment
  HSC23984  Pseudognaphalium californicum Mary Katherine Wicksten 1971-6-17 54 San Mateo Huddart Park on Chickadee Trail Comment
  JROH785  Pseudognaphalium luteoalbum Toni Corelli 2006-8-16 324 San Mateo Jasper Ridge Biological Preserve, Stanford University. South of Road B, below Dennis Martin marker site 70 Comment
  UC577203  Pseudognaphalium luteoalbum John Thomas Howell 1935-1-13 12578 San Mateo Lake San Andreas Comment
  CAS-BOT-BC357127  Pseudognaphalium luteoalbum Philip Wheeler 1965-6-13 s.n. San Mateo San Bruno Mountain. Colma Canyon Comment
  UCD135090  Pseudognaphalium luteoalbum J. D. Skoss 1948-7-25 44 San Mateo Montara. Comment
  SBBG45075  Pseudognaphalium ramosissimum L. S. Rose 1935-8-13 35568 San Mateo Salada 30 Comment
  CAS-BOT-BC361562  Pseudognaphalium stramineum Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountain. Radio Road Comment
  CAS-BOT-BC361570  Pseudognaphalium stramineum L. R. Abrams; I. L. Wiggins 1939-6-3 428 San Mateo Ano Nuevo Point Comment
  CAS-BOT-BC361563  Pseudognaphalium stramineum Walter Knight; Irja Knight 1965-3-15 1235 San Mateo North facing - Colma Canyon - San Bruno Mountain Comment
  UCD135229  Pseudognaphalium stramineum Lewis S. Rose 1966-8-6 66079 San Mateo San Bruno Mountain, head of Colma Canyon. 121 Comment
  CAS-BOT-BC85915  Pseudotsuga menziesii Miss O. Boring 1897-8-31 s.n. San Mateo Santa Cruz Peninsula, King's Mt. Comment
  JEPS48299  Pseudotsuga menziesii var. menziesii James G. Daly 1935-1-1 220 San Mateo watershed of San Gregorio Creek; Middle Alpine Canyon Comment
  JROH128  Pseudotsuga menziesii var. menziesii John Hunter Thomas 1983-4-28 21776 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SEINET5334815  Pseudotsuga menziesii var. menziesii R. L. Oliver 1976-4-18 s.n. San Mateo La Honda, San Mateo Memorial Park. Comment
  CAS-BOT-BC362019  Psilocarphus tenellus George Oberlander 1950-5-6 909 San Mateo San Francisco Watershed Reserve. Sawyer Ridge Comment
  JROH1175  Psilocarphus tenellus H. A. Borthwick 1920-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1188  Psilocarphus tenellus John Hunter Thomas 1983-4-14 21406 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-BC362020  Psilocarphus tenellus Elizabeth McClintock 1965-3-14 s.n. San Mateo San Bruno Mountain. South Power Line Ridge Comment
  CAS-BOT-BC421316  Pterostegia drymarioides John H. Thomas 1965-4-29 10625 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  UC635041  Pterostegia drymarioides Herbert L. Mason 1927-4-23 3683 San Mateo along rd. between La Honda and Pescadero Creek Comment
  CAS-BOT-BC460836  Pyrola aphylla H. L. Mason 1921-7-3 s.n. San Mateo Butano Ridge Comment
  SEINET8229663  Pyrola aphylla A. D. E. Elmer 1903-1 4297 San Mateo Pescadero. Comment
  CDA28814  Pyrola picta D. G. Kelch 2009-6-9 9 .405 San Mateo Santa Cruz Mts.; Chert outcrop and adjacent mixed evergreen forest along Skyline Blvd ~1 km W of Skegg s Point. Comment
  CAS-BOT-BC62713  Quercus X chasei B. Bartholomew 1983-8-28 1482 San Mateo 1.2 mi. N of Skyline Blvd. on Page Mill Road on the N side of the road, close to the Santa Clara County line 640 Comment
  SEINET12027457  Quercus agrifolia L. S. Rose 1938-1 38313 San Mateo 122 Comment
  SEINET13953029 Image available Quercus agrifolia Lewis S. Rose 1964-1 64012 San Mateo Emerald Lake, west of Redwood City hills, 400 feet in altitude 122 Comment
  JROH2466  Quercus berberidifolia John Rawlings 2007-12-26 1065 San Mateo Jasper Ridge Biological Preserve, Stanford University; a few yards uphill of Trail I in serpentine woodland below lost serpentine prairie 85 Comment
  JROH5803  Quercus douglasii John Rawlings, Bill Gomez 2016-7-28 1911 A San Mateo Jasper Ridge Biological Preserve, Stanford University; north side Rd F in blue oak woodland west of serpentine prairie 182 Comment
  SEINET12034334  Quercus douglasii Unknown 1929-1 7302 San Mateo Kings Mtn Comment
  CAS-BOT-BC94280  Quercus durata James McMurphy 1908-8-20 s.n. San Mateo near shore this side of Crystal Springs Comment
  POM224196  Quercus durata Annetta Carter 1934-10-13 728 San Mateo Long Branch of Isabel Creek, half mile above jct with Isabel Creek, Mt Hamilton Range. 549 Comment
  RSA13734  Quercus durata Annetta Carter 1934-10-13 728 San Mateo Long Branch of Isabel Creek, half mile above jct with Isabel Creek, Mt Hamilton Range. 549 Comment
  SEINET13953377 Image available Quercus durata Lewis S. Rose 1964-1 64068 San Mateo W. of Redwood City; alt. ca. 800 ft. 244 Comment
  CAS-BOT-BC105397  Quercus kelloggii Ira L. Wiggins 1925-4-1 1664 San Mateo On Kings Mountain Road three fourths of a mile above Woodside in the old cut over redwood (S. sempervirens) belt. Comment
  RSA477344  Quercus kelloggii L. H. Jones 1909-3-5 s.n. San Mateo On the west side of Jasper Ridge, Stanford University. 137 Comment
Read comments
Sep 19 2011
  CAS-BOT-BC62888  Quercus lobata W. R. Dudley 1901-5-4 s.n. San Mateo Coal Mine Canyon Comment
  SEINET12034641  Quercus lobata Unknown 1930-1 7321 San Mateo Jaspar Ridge Comment
  CDA22092  Quercus parvula var. shrevei J. M. Tucker 1994-9-9 s.n. San Mateo Huddart Park on northeast facing slope near Miwok Shelter. Comment
  POM270261  Quercus wislizeni var. wislizeni Lyman Benson 1932-8-1 4028 San Mateo Stanford University, Santa Cruz Mt. Range, Corte Madera Creek watershed. 122 Comment
  POM290129  Rafinesquia californica Lyman Benson 1937-6-27 8391 San Mateo Summit west of Belmont; Santa Cruz Mt. Range; S. F. Bay Watershed. 152 Comment
  UC729684  Ranunculus aquatilis var. capillaceus Carl B. Wolf 1929-4-29 3664 San Mateo small reservoir 1 mi s Portola Comment
  SEINET209201  Ranunculus bloomeri Inez Smith 1915-3-15 San Mateo Hillsboro Comment
  SJSU2306  Ranunculus californicus C. W. Sharsmith 1950-4-16 6635 San Mateo near Pescadero Point near Pescadero Comment
  UC665800  Ranunculus californicus Ira L. Wiggins 1941-4-17 9719 San Mateo near junction of road to California Sanitarium and Woodside-Half Moon Bay road Comment
  JROH3470  Ranunculus californicus John H. Thomas 1968-3-31 14258 San Mateo Jasper Ridge Biological Preserve, Stanford University. Meadow near crest of NE facing slope above Webb Ranch Comment
  RSA399415  Ranunculus californicus J. Doty 1969-3-26 600 San Mateo 100 yards E of jct Hwy 35 and 92, near summit of Caost Range, San Francisco Peninsula. Comment
  UCD95985  Ranunculus californicus R. S. Woglum 1935-5-25 1156 San Mateo San Francisco area, Skyline Drive. Comment
  CAS-BOT-BC378537  Ranunculus californicus var. californicus John H. Thomas 1964-4-30 10357 San Mateo San Bruno Mountain in northern part of county 00000000000000000000000 396 Comment
  CAS-BOT-BC378548  Ranunculus californicus var. californicus Ira L. Wiggins 1941-4-17 9719 San Mateo Roadside near junction of road to California Sanitarium and Woodside-Half Moon Bay road Comment
  CAS-BOT-BC378541  Ranunculus californicus var. californicus Ira L. Wiggins 1929-3-24 3381 San Mateo on road to Searsville Lake, back of Stanford University Comment
  CAS-BOT-BC378549  Ranunculus californicus var. californicus George Oberlander 1949-4-2 20 San Mateo San Francisco Watershed Reserve, grassland top of Sweeney Ridge Comment
  RSA15339  Ranunculus californicus var. cuneatus Carl B. Wolf 1927-1-29 s.n. San Mateo Pebble Beach, along bluffs near Beach Comment
  POM269212  Ranunculus hebecarpus W. R. Dudley 1894-4-11 s.n. San Mateo slope near Menlo Park Comment
  CAS-BOT-BC83417  Ranunculus lobbii J. I. McMurphy 1906-5-8 s.n. San Mateo Santa Cruz Mountain Peninsula. Pond near Head of Crystal Springs Lakes. Comment
  JROH3500  Ranunculus muricatus John Hunter Thomas 1987-5-7 24262 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3495  Ranunculus muricatus John Hunter Thomas 1978-4-22 19105 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5873  Raphanus sativus Ann Lambrecht 2011-7-5 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; at Bear Creek crossing near Preserve boundary fence Comment
  RSA249486  Raphanus sativus John F. Emmel 1972-4-1 396 San Mateo Along Guadalupe Cyn Parkway near NE facing slope, 0.4 airmile SSW of Midway Village School, San Bruno Mtns. 91 Comment
  JROH3556  Rhamnus crocea H. L. Mason 1921-3-9 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA7753  Rhamnus crocea Carl B. Wolf 1927-4-3 283 San Mateo 1/4 mile from Schenkel's Camp, 2 miles back of Stanford Comment
  POM243723  Rhamnus tomentella subsp. tomentella Carl B. Wolf 1927-12-31 1472 San Mateo 1/2 way up Kings Mt. Comment
  RSA7771  Rhamnus tomentella subsp. tomentella John W. Gillespie 1925-8-9 191 San Mateo Searsville road Comment
  UC858641  Ribes Alice Eastwood 1922-5-27 11324 San Mateo La Honda Comment
  CAS-BOT-BC92489  Ribes aureum var. gracillimum James McMurphy 1906-4-4 s.n. San Mateo Creek above Judge Allen's, Santa Cruz Mountains. Comment
  POM222802  Ribes californicum S. S. Berry 1909-2-27 s.n. San Mateo Roadside near Adalanta Villa. 46 Comment
  POM274752  Ribes californicum Lyman Benson 1928-4-21 736 San Mateo North base of Searsville ridge; among redwoods. Stanfornd University. Santa Cruz mtn ranges. San Francisquito Cr. 91 Comment
  RSA101029  Ribes californicum G. Oberlander 1950-3-18 527 San Mateo Pilarcitos Canyon, San Francisco Watershed Reserve. Comment
  CAS-BOT-BC93003  Ribes californicum var. californicum A. D. E. Elmer 1903-3-1 4683 San Mateo Portola. Comment
  CAS-BOT-BC93010  Ribes californicum var. californicum Ned Cahill 1974-5-13 243 San Mateo Near the intersection of Canada and Edgewood Roads, about 3 miles westward from Redwood City. Comment
  JROH2650  Ribes californicum var. californicum Carol Zabel 1989-2-20 2 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 12 near intersection with Trail 10. Comment
  CAS-BOT-BC173081  Ribes divaricatum var. pubiflorum A. D. E. Elmer 1903-5-1 4511 San Mateo Searsville Lake Comment
  CAS-BOT-BC173084  Ribes divaricatum var. pubiflorum F. J. Jack 1894-3-24 s.n. San Mateo La Honda Road Comment
  CAS-BOT-BC173085  Ribes divaricatum var. pubiflorum Elmer I. Applegate 1895-3-9 188 San Mateo Woodside Comment
  CAS-BOT-BC173088  Ribes divaricatum var. pubiflorum W. R. Dudley 1900-5-19 s.n. San Mateo Aove Week's Ranch by La Honda Road Comment
  CAS-BOT-BC212807  Ribes menziesii A. D. E. Elmer 1903-4-1 4496 San Mateo Portola Comment
  CAS-BOT-BC212827  Ribes menziesii A. D. E. Elmer 1903-6-1 4787 San Mateo Lake San Andreas Comment
  CAS-BOT-BC212842  Ribes menziesii J. H. Thomas 1949-3-31 205 San Mateo King's Mountain Comment
  CAS-BOT-BC212843  Ribes menziesii D. E. Breedlove 1974-5-13 36202 San Mateo San Pedro Valley Park, Pacifica 152 Comment
  RSA0021753  Ribes menziesii var. leptosmum S. S. Berry 1909-2-27 s.n. San Mateo Roadside near Adalanta Villa. 46 Comment
  RSA0019104  Ribes sanguineum var. glutinosum L. S. Rose 1947-3-11 47027 San Mateo Kings Mountain. 610 Comment
  RSA0019105  Ribes sanguineum var. glutinosum D. D. Keck 1932-6-1 1786 San Mateo 3 miles north of La Honda, Santa Cruz Mountains. 366 Comment
  RSA0019111  Ribes sanguineum var. glutinosum Lyman Benson 1930-6-14 2159 San Mateo La Honda. Santa Cruz Mountains. 244 Comment
  RSA0019114  Ribes sanguineum var. glutinosum A. D. E. Elmer 1903-03 4470 San Mateo Portola Comment
  CAS-BOT-BC363092  Rigiopappus leptocladus L. R. Abrams 1910-5-7 s.n. San Mateo Santa Cruz Mountain Peninsula. Between Woodside and Crystal Springs Lakes Comment
  CAS-BOT-BC363093  Rigiopappus leptocladus Elizabeth McClintock 1978-4-24 s.n. San Mateo Gilmore McDowell property, Woodside Comment
  CAS-BOT-BC341024  Robinia pseudoacacia J. H. Thomas 1960-6-8 8774 San Mateo Road bank between Stanford and Searsville Lake along Sand Hill Road Comment
  CAS-BOT-BC341025  Robinia pseudoacacia L. R. Abrams 1921-5-3 s.n. San Mateo Prop. Tallocks garden, Stanford University Comment
  NY337220  Romanzoffia californica C. F. Baker 1902-4-6 463 San Mateo Crystal Springs Lake Comment
  POM65453  Romanzoffia californica A. D. E. Elmer 1903-05 4482 San Mateo Towards San Mateo; Crystal Springs Lake. Comment
  UC1084381  Rorippa G. Thomas Robbins 1937-4-11 81 San Mateo along Skyline Boulevard near County Jail (s of San Francisco); s of San Francisco Comment
  CAS-BOT-BC74650  Rorippa curvisiliqua W. R. Dudley 1908-6-19 s.n. San Mateo Santa Cruz Mountain Peninsula. Edge of Earthquake Pond east of Jersey Pond west of Baden. Comment
  SD37966  Rorippa curvisiliqua var. curvisiliqua Jane T. Turner 1933-5-15 3671 San Mateo Mud Lake Comment
  CAS-BOT-BC147627  Rosa californica Elizabeth McClintock; Paul Reeberg 1988-4-30 s.n. San Mateo Buckeye Canyon Comment
  RSA499266  Rosa californica E. S. Spalding 1923-8-3 s.n. San Mateo 3 mi west of Redwood Comment
  UC725850  Rosa californica A. A. Heller 1907-5-28 8582 San Mateo back of San Mateo (on the Half Moon Bay road) Comment
  CAS-BOT-BC146690  Rosa gymnocarpa Walter Knight; Irja Knight 1964-5-4 s.n. San Mateo Bitter-cherry Ridge Comment
  CAS-BOT-BC156575  Rubus John Thomas Howell 1938-6-4 13891 San Mateo Burlingame Comment
  CAS-BOT-BC152874  Rubus parviflorus Gertrude Anthony 1904-4-23 s.n. San Mateo Goat Ranch Road, near Corte Madera - Santa Cruz Mountain Peninsula 243 Comment
  CAS-BOT-BC152875  Rubus parviflorus R. Hoffough 1929-5-11 s.n. San Mateo La Honda Road Comment
  UC311143  Rubus parviflorus A. D. E. Elmer June, 1903 4294 San Mateo Alpine School House Comment
  POM222901  Rubus parviflorus var. velutinus S. S. Berry 1909-4-2 s.n. San Mateo Bear Creek Canyon Grade 244 Comment
  RSA128601  Rubus parviflorus var. velutinus Peter H. Raven 1950-4-30 1982 San Mateo Montara Mtns. Ca 1/2 mile N of Montara. 91 Comment
  CAS-BOT-BC156764  Rubus spectabilis W. R. Dudley 1894-3-26 s.n. San Mateo Ravine of Spanishtown Creek Comment
  CAS-BOT-BC156765  Rubus spectabilis W. R. Dudley 1894-3-26 s.n. San Mateo Near [Lobetas] Lobitos 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
  UCR51532  Rubus spectabilis var. franciscanus R. Ascanio 1988-4-17 s.n. San Mateo E on Gazo Creek Road off Hwy 1, c. 2 mi. north of Ano Nuevo State Reserve 85 Comment
  CAS-BOT-BC157068  Rubus ursinus J. H. Thomas 1949-4-17 296 San Mateo Along bank of San Francisquito Creek near University Ave. and Newell Rd., Palo Alto Comment
  CAS-BOT-BC157069  Rubus ursinus Margaret A. Barry 1938-4-21 243 San Mateo Woods on Coal Mine Ridge Comment
  CAS-BOT-BC157094  Rubus ursinus W. R. Dudley 1895-9-15 s.n. San Mateo [El Corte de Madera] Corte Madera Creek, Lumber Camp Comment
  CAS-BOT-BC157098  Rubus ursinus John Thomas Howell 1938-6-4 13889 San Mateo Burlingame Comment
  CAS-BOT-BC157099  Rubus ursinus John Thomas Howell 1938-6-4 13889 San Mateo Burlingame Comment
  CAS-BOT-BC157107  Rubus ursinus Alice Eastwood; John Thomas Howell 1938-6-26 6055 San Mateo Near Pescadero Comment
  JEPS25749  Rubus ursinus L. R. Heckard with Rimo Bacigalupi 1961-5-14 1234 San Mateo Canyon of Pilarcitos Creek about 0.5 mi below Stone Dam Reservoir; Canyon of Pilarcitos Creek below Stone Dam Reservoir 182 Comment
  UC136500  Rubus ursinus C. F. Baker 1902-1-15 246 San Mateo West side King's Mountain Comment
  CAS-BOT-BC157095  Rubus ursinus W. R. Dudley 1897-1-1 s.n. San Mateo Near junction of forks of Butano Cr. Comment
  UCSB17156  Rubus ursinus Schulte, John 1963-4-14 San Mateo Jasper Ridge 3 miles southwest of Stanford Campus, between Santa Clara Valley and main front of Santa Cruz Mountains 152 Comment
  CAS-BOT-BC422081  Rumex acetosella John H. Thomas 1964-4-30 10362 San Mateo San Bruno Mountain in northern part of county. 396 Comment
  JROH3292  Rumex acetosella John H. Thomas 1975-4-19 17799 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR12025  Rumex acetosella Coleta A. Lawler 1964-4-19 55 San Mateo 4.5 miles east of Half Moon Bay; Pilarcitos Rd, 0.5 mi NE jct Half Moon Bay Rd. 76 Comment
  CAS-BOT-BC422078  Rumex acetosella Elsie Zeile 1911-3-30 s.n. San Mateo S. San Francisco Comment
  CAS-BOT-BC422079  Rumex acetosella Daniel Cohen 1953-5-9 85 San Mateo La Honda Road near Skyline Drive. Comment
  CAS-BOT-BC422089  Rumex acetosella Elizabeth McClintock; Philip Wheeler 1967-5-15 s.n. San Mateo San Bruno Mountain. East side of mountain, above Harold Ave., Brisbane. Grassy slope above Philip Wheeler's house. Comment
  RSA17951  Rumex acetosella Carl B. Wolf 1927-6-4 s.n. San Mateo Summit of La Honda Grade (Pollen for Dr. Malsger - San Francisco) San Mateo County Comment
  CAS-BOT-BC422291  Rumex californicus John H. Thomas 1966-5-25 11636 San Mateo Menlo Park, near Southern Pacific train station. Comment
  JROH3301  Rumex conglomeratus John Hunter Thomas 1982-6-7 21030 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3325  Rumex conglomeratus John Hunter Thomas 1977-6-16 18800 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC1215067  Rumex occidentalis V. F. Hesse 1962-7-19 3164 San Mateo between ocean and Pescadero 9 Comment
  CAS-BOT-BC433708  Rumex occidentalis W. R. Dudley 1894-5-1 s.n. San Mateo Santa Cruz Peninsula. Near San Mateo. Comment
  CAS-BOT-BC433827  Rumex pulcher Margaret A. Barry 1938-6-22 s.n. San Mateo Slope on Coal Mine Ridge Comment
  SD38936  Rumex salicifolius Edith A. Purer 1933-7-27 5357 San Mateo High stabilized sand dunes, Pigeon Point Comment
  UCD23435  Rupertia physodes Alan T. Whittemore 1976-5-31 135 San Mateo Alpine Road, near east end of Corte Madera Creek Trail. Mixed evergreen forest. Sequoia in sheltered spots. Acer, Quercus and Alnus in open areas and by stream. Flowers past, originally purple. Trailing on forest floor. Foliage with somewhat unpleasant odor. Comment
  CDA38781  Rytidosperma caespitosum Eric Wrubel 2012-6-19 NPS 41 San Mateo Golden Gate National Recreation Area; Sweeney Ridge, Baquiano Trail. 0 Comment
  JROH1711  Sagina apetala John H. Thomas 1961-4-8 9073 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1723  Sagina apetala Toni Corelli 2009-3-25 349 San Mateo Jasper Ridge Biological Preserve, Stanford University; Road F along road 152 Comment
  JROH1722  Sagina apetala John Hunter Thomas 1983-4-21 21637 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM163965  Sagina maxima subsp. crassicaulis Copeland 1903-6-5 3329 San Mateo Montara Point. Comment
  UC1191408  Salicornia europaea Malcolm A. Nobs and S. Galen Smith 1949-8-27 1624 San Mateo e of Redwood City Comment
  UC1191410  Salicornia europaea S. Galen Smith 1951-6-28 1917 San Mateo ca 1 mi n San Mateo (along the Bayshore Highway 101) Comment
  CAS-BOT-BC103336  Salix bonplandiana W. R. Dudley 1904-4-7 s.n. San Mateo Above Judge Allen's near Portola Comment
  JROH3845  Salix exigua var. hindsiana John H. Thomas 1976-10-16 18403 San Mateo Jasper Ridge Biological Preserve, Stanford University. Now dry delta in Searsville Lake at the mouth of Corte de Madera Creek Comment
  UC492365  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1932-7-4 640 San Mateo 4/10 mi e. Pescadero (Butano Creek Rd.) Comment
  JROH3869  Salix lasiandra var. lasiandra John H. Thomas 1967-3-26 12415 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH3874  Salix lasiandra var. lasiandra John H. Thomas 1973-4-7 16520 San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Searsville Lake Comment
  JROH3875  Salix lasiandra var. lasiandra John H. Thomas 1975-5-2 17854 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD111568  Salix lasiandra var. lasiandra J. Ed McClellan; Bonnie McClellan 1976-4-1 s.n. San Mateo Princeton. Comment
  CAS-BOT-BC107129  Salix lasiolepis A. D. E. Elmer 1903-3-1 4875 San Mateo Searsville Lake Comment
  CAS-BOT-BC107132  Salix lasiolepis Ira L. Wiggins 1976-4-20 22178 San Mateo Along N bank of San Francisquito Creek, near Pope Street Bridge, Menlo Park Comment
  CAS-BOT-BC107133  Salix lasiolepis Peter H. Raven 1964-2-16 18742 San Mateo Just south of Lake San Andreas Comment
  POM223617  Salix lasiolepis S. S. Berry 1909-2-27 s.n. San Mateo Near Los Francos Creek. 46 Comment
  SD60177  Salix lasiolepis L. R. Abrams 1915-3-13 5161 San Mateo Near junction of San Francisquito and Los Trancos creeks, about 2 miles from Stanford University Comment
  UCD111654  Salix lasiolepis Lewis S. Rose 1965-3-8 65004 San Mateo Searsville Lake. 121 Comment
  SEINET5884190 Image available Salix lasiolepis L. S. Rose 1965-1 65004 San Mateo Searsville Lake. Comment
  CAS-BOT-BC124479  Salix lasiolepis var. lasiolepis Walter Knight; Irja Knight 1987-10-16 6070 San Mateo San Bruno Mt., 100 yds from corner of Hillside Blvd. and Kearney St. Comment
  CAS-BOT-BC124481  Salix lasiolepis var. lasiolepis Elizabeth McClintock 1965-3-28 s.n. San Mateo Devil's Arroyo Comment
  CAS-BOT-BC124484  Salix lasiolepis var. lasiolepis W. R. Dudley 1894-7-11 s.n. San Mateo San Francisquito Cr. near Cedro Cottage, Stanford University Comment
  CAS-BOT-BC124485  Salix lasiolepis var. lasiolepis Josephine D. Randall 1906-3-18 360 San Mateo San Francisquito Creek near Stanford University Comment
  CAS-BOT-BC124488  Salix lasiolepis var. lasiolepis Lewis S. Rose 1965-3-8 65004 San Mateo Searsville Lake 121 Comment
  CAS-BOT-BC129068  Salix scouleriana A. D. E. Elmer 1903-5-1 4864 San Mateo Iverson's Place on the Pescadero Creek Comment
  CAS-BOT-BC129069  Salix scouleriana A. D. E. Elmer 1903-6-1 4864 San Mateo Iverson's Place on the Pescadero Comment
  POM167366  Salix scouleriana A. D. E. Elmer 1903-05 4864 San Mateo Iverson's Place; on the Pescadero Creek. Comment
  POM362921  Salix scouleriana L. S. Rose 1934-2-10 34025 San Mateo Skyline Blvd. 4 miles S Kings Mtn. Comment
  RSA15199  Salix scouleriana Carl B. Wolf 1926-10-19 76 San Mateo La Honda Grade. Santa Cruz Mtns. Comment
  CAS-BOT-BC126479  Salix sitchensis W. R. Dudley 1902-4-26 s.n. San Mateo Alpine Road Comment
  CAS-BOT-BC126481  Salix sitchensis H. A. Dutton 1899-10-15 s.n. San Mateo Above Byrne's store, along road from Crystal Springs to Half Moon Bay Comment
  CAS-BOT-BC126485  Salix sitchensis W. R. Dudley 1906-3-18 s.n. San Mateo [King's] Kings Mt. Road Comment
  CAS-BOT-BC126488  Salix sitchensis Walter Knight; Irja Knight 1965-3-28 s.n. San Mateo Near junction of Colma Creek and April Brook Comment
  CAS-BOT-BC126516  Salix sitchensis W. R. Dudley 1903-5-1 s.n. San Mateo Iverson's near Pescadero Creek Comment
  UC75015  Salix sitchensis unknown 1902-3 San Mateo King's Mt. Comment
  CAS-BOT-BC126484  Salix sitchensis J. W. Congdon 1897-7-21 s.n. San Mateo Coast Range Comment
  RSA262204  Salsola soda John H. Thomas 1974-10-6 17615 San Mateo San Mateo County. Palo Alto Yacht Harbor near airport. 0 Comment
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Apr 3 2009
  UCD99302  Salsola soda William Anderson 1968-8-16 s.n. San Mateo west end of Dumbarton Bridge. Comment
  POM62871  Salvia spathacea C. F. Baker 1903-4-6 1878 San Mateo San Bruno Hills. Comment
  RSA152266  Salvia spathacea John H. Thomas 1961-5-7 9299 San Mateo San Bruno Mountain in northern part of county. 305 Comment
  UC1046499  Salvia spathacea R. Bacigalupi, L. Constance, Ritchie and Sarah Bell 1951-3-25 3204 San Mateo near San Francisco (Colma Canyon); Colma Canyon 137 Comment
  UC1219867  Salvia spathacea John H. Thomas 1961-5-7 9299 San Mateo San Bruno Mountain; n part of San Mateo County 304 Comment
  SEINET10581809  Salvia spathacea Lewis S. Rose 1965-4-22 Rose 65028 San Mateo San Bruno Mountain, Colma Canyon open slopes. 61 Comment
  SJSU15329  Salvia spathacea A. Hicks 1979-11-23 41 San Mateo near creek above gully at Chestnut and Hillside Blvd., South- west facing slope of San Bruno Mts., South San Francisco. 182 Comment
  CAS-BOT-BC235037  Sambucus Roxana S. Ferris 1920-3-8 1765 San Mateo Frenchmans Creek near Ocean Comment
  CAS-BOT-BC246027  Sambucus nigra subsp. caerulea A. D. E. Elmer 1903-7-1 4689 San Mateo Portola Comment
  JROH1670  Sambucus nigra subsp. caerulea John H. Thomas 1973-6-15 16853 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCSB11444  Sambucus racemosa var. racemosa Olson, Jim 1962-4-17 San Mateo 5 miles southeast of Halfmoon Bay on road to San Mateo 45 Comment
  OBI8785  Sanicula arctopoides Lewis S. Rose 1961-4-5 61030 San Mateo San Bruno Mts. 366 Comment
  CAS-BOT-BC223327  Sanicula bipinnatifida John H. Thomas 1958-3-19 7067 San Mateo East facing slope of San Bruno Mountain, just north of South San Francisco 91 Comment
  JROH320  Sanicula bipinnatifida H. A. Borthwick 1920-4-12 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; fields near Searsville Lake Comment
  JROH324  Sanicula bipinnatifida John H. Thomas 1975-4-5 17708 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA15309  Sanicula bipinnatifida C. B. Wolf 1927-4-3 279 San Mateo 1 1/2 miles above east base of La Honda grade, Santa Cruz Mountains. Comment
  JROH335  Sanicula crassicaulis John H. Thomas 1973-4-14 16552 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCR280165  Sanicula crassicaulis Peter Rubtzoff 1977-4-14 8938 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-BC166811  Sanicula crassicaulis Peter Rubtzoff 1976-6-13 8638 San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction; in upper part of East Fork Colma Creek canyon. Comment
  POM204321  Satureja douglasii I. L. Wiggins 1929-7-4 3778 San Mateo 4 miles W of La Honda on hill road to Pescadero Beach. Comment
  UC1601281  Satureja douglasii Ira L. Wiggins 1929-7-4 3778 San Mateo 4 mi w La Honda (on hill road to Pescadero Beach) Comment
  POM202470  Satureja douglasii L. S. Rose 1933-6-9 s.n. San Mateo 3 miles W of San Bruno. Comment
  RSA218024  Satureja douglasii Walter Knight, Elizabeth McClintock, I. Knight 1963-9-2 s.n. San Mateo San Bruno Mountains; Power Line Ridge. Comment
  RSA8352  Satureja douglasii L. S. Rose 1933-6-9 s.n. San Mateo 3 miles W of San Bruno. Comment
  JROH351  Scandix pecten-veneris John H. Thomas 1973-3-12 16484 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH365  Scandix pecten-veneris John Hunter Thomas 1991-5-2 25013 San Mateo Jasper Ridge Biological Preserve, Stanford University; Goya Gate Comment
  RSA176539  Schedonorus arundinaceus John H. Thomas 1963-8-4 10235 San Mateo About 2.5 miles inland from San Gregorio along the highway Comment
  CAS-BOT-BC283615  Schedonorus pratensis Elizabeth McClintock; Paul Reeberg 1989-5-30 s.n. San Mateo San Bruno Mountains. In a seep above Lipman School 60 Comment
  POM265000  Schoenoplectus pungens I. L. Wiggins 1928-4-22 2947 San Mateo Moss Beach Comment
  CAS-BOT-BC519004  Scoliopus bigelovii George Oberlander 1949-4-17 87 San Mateo Pilarcitos Canyon Comment
  CAS-BOT-BC519005  Scoliopus bigelovii W. R. Dudley 1893-4-1 s. n. San Mateo La Honda Creek Comment
  CAS-BOT-BC519008  Scoliopus bigelovii Harold Block 1926-1-24 s. n. San Mateo Kings Mountain Comment
  CAS-BOT-BC519010  Scoliopus bigelovii L. R. Abrams 1904-3-7 s. n. San Mateo Bear Gulch, Santa Cruz Mtn. Penn. Comment
  CAS-BOT-BC519021  Scoliopus bigelovii C. F. Baker 1902-3-18 322 San Mateo King's Mountain Comment
  CDA7621  Scolymus hispanicus T. C. Fuller 1965-7-8 13755 San Mateo D. McBryde property, 140 Eleanor Drive, Woodside. 0 Comment
  RSA46817  Scrophularia californica Doris K. Kildale 1929-6-19 8011 San Mateo 1.5 miles from La Honda. Comment
  UC1012347  Scrophularia californica F. W. Pennell and D. D. Keck 1949-5-14 25416 San Mateo above Redwood City (Emerald Lake) 45 Comment
  CHSC57003  Scrophularia californica subsp. californica Steven Triano 1988-5-24 179 San Mateo Along w side of Old La Honda Road ca 0.8 mi s of Portola Road and 4.0 mi s of Woodside. 201 Comment
  UCR122984  Scrophularia californica subsp. californica George K. Helmkamp, E. A. Helmkamp 2001-6-2 6776 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-BC376418  Scrophulariaceae Greg de Nevers 2001-9-26 12630 San Mateo Palo Alto. Comment
  CAS-BOT-BC64100  Sedum radiatum subsp. radiatum W. R. Dudley 1894-3-26 s.n. San Mateo San mateo trap. hills. Comment
  CAS-BOT-BC59061  Sedum spathulifolium G. B. Rossbach 1939-6-18 756 San Mateo Ledge near 755 on SE slope of North Peak, Montara Mts. 396 Comment
  CAS-BOT-BC59270  Sedum spathulifolium W. R. Dudley 1894-4-1 s.n. San Mateo San Mateo Reservoir. Comment
  CAS-BOT-BC363382  Senecio aronicoides John H. Thomas 1965-4-29 10610 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC363383  Senecio aronicoides John H. Thomas 1961-5-7 9308 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC363403  Senecio aronicoides George Oberlander 1950-5-28 994 San Mateo San Francisco Watershed Reserve. Cahill Ridge 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-BC363386  Senecio aronicoides Walter Knight; Irja Knight 1965-2-28 869 San Mateo Pacifica ca 300-400 yds E. of parking area Comment
  CAS-BOT-BC363402  Senecio aronicoides Kellogg No date on label s.n. San Mateo Crystal Springs Comment
  CDA7644  Senecio elegans G. D. Barbe 1977-11-17 2354 San Mateo Thornton Beach State Park, Daly City. 0 Comment
  UC1219871  Senecio glomeratus J. H. Thomas 1961-5-7 9275 San Mateo San Bruno Mountain 304 Comment
  UC580090  Senecio glomeratus Ira L. Wiggins 1934-8-11 6970 A San Mateo salt flats beside tannery Redwood City Comment
  JEPS37223  Senecio hydrophilus W. L. Jepson 1910-8-18 4162 San Mateo Butano Creek Comment
  JROH1223  Senecio vulgaris John H. Thomas 1967-4-20 12706 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD135850  Senecio vulgaris J. D. Skoss 1948-7-25 45 San Mateo San Vicente, near Montara. Comment
  CAS-BOT-BC80289  Sequoia sempervirens David D. Keck 1932-2-14 1368 San Mateo La Honda road, east slope of Coast Range above Searsville Lake 304 Comment
  UCR19335  Sequoia sempervirens Bernice Bowers 1977-4-4 s.n. San Mateo San Francisco Bay Area, Kings Mtn. Road, 1 mi south of Huddart County Park, 2 mi north of Woodside 549 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
  SEINET5334846  Sequoia sempervirens R. L. Oliver 1976-4-18 s.n. San Mateo La Honda. San Mateo Memorial Park. Redwood forest. Comment
  CDA6645  Sherardia arvensis D. G. Kelch 2002-5-13 s.n. San Mateo Cahill Ridge. 0 Comment
  RSA448568  Sidalcea diploscypha L. S. Rose 1936-5-28 36300 San Mateo Emerald lake, W. of Redwood City. 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
  UCSB18185  Sidalcea malviflora Muirhead, M. 1964-4-17 San Mateo On Crocker Estate, Hillsborough 91 Comment
  UC108870  Sidalcea malviflora subsp. laciniata T. S. Brandegee June 1893 San Mateo Colma Comment
  OBI48733  Sidalcea malviflora subsp. laciniata S. Bagley 1969-3-28 s.n. San Mateo Near the San Francisco Game Refuge 145 Comment
  RSA187474  Sidalcea malviflora subsp. malviflora John H. Thomas 1964-4-30 10360 San Mateo San Bruno Mtn in northern part. Northern Coastal Scrub of Munz and Keck 305 Comment
  POM214348  Sidalcea malviflora subsp. malviflora I. L. Wiggins 1931-2-21 5097 San Mateo Near Pescadero Comment
  RSA15352  Sidalcea malviflora subsp. malviflora Carl B. Wolf 1927-1-29 167 San Mateo Pebble Beach, coast south of Pescadero. Comment
  CAS-BOT-BC386856  Silene gallica Paul Arnaud 1941-4-17 s.n. San Mateo Redwood City, Jefferson Avenue. Comment
  CAS-BOT-BC386860  Silene gallica W. R. Dudley 1897-1-1 s.n. San Mateo Butano Creek, Big Basin. Comment
  JROH1736  Silene gallica John Hunter Thomas 1981-5-14 20584 San Mateo Jasper Ridge Biological Preserve, Stanford University; near edge of lake below Searsville Lab Comment
  JEPS82259  Silene scouleri subsp. grandis Roger Raiche 1983-8-20 30637 San Mateo granite bluffs above saddle of old highway Montara Mt. ((on topomaps between San Pedro Mt. and Montara Mt.)); , between San Pedro Mt. and Montara Mt. 304 Comment
  CAS-BOT-BC389897  Silene scouleri subsp. scouleri Elizabeth McClintock 1963-6-9 s.n. San Mateo San Bruno Mountain 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
  CHSC39827  Sisyrinchium bellum Maibelle Williams 1929-5-10 San Mateo Moss Beach. Comment
  SJSU15344  Sisyrinchium bellum J. A. Nikkel 1985-4-3 19 San Mateo east side of Highway 1, a 1/2 mile south of Pigeon Point; 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
  UCSB18427  Sisyrinchium bellum Muirhead, M. 1964-4-17 San Mateo Crocker Estate; Hillsborough 76 Comment
  CAS-BOT-BC176179  Sisyrinchium californicum Peter Rubtzoff 1975-5-21 7969 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  UC1577337  Smilacina racemosa Cynthia DiGiovanni 1971-4-4 19 San Mateo Alpine Road Menlo Park (foothills) Comment
  CDA39382  Smilacina racemosa var. amplexicaulis T. C. Fuller 1960-4-2 4080 San Mateo La Honda Rd., 1 mile north of La Honda. 0 Comment
  UC142705  Smilacina stellata C. F. Baker 1903-4-8 1915 San Mateo San Andreas Lake Comment
  UCR51662  Solanum douglasii R. Ascanio 1988-4-17 s.n. San Mateo E on Gazo Creek Road off Hwy 1, c. 2 mi. north of Ano Nuevo State Reserve 85 Comment
  SEINET5571744  Solanum douglasii H. S. Gentry 1931-1 88 San Mateo Collected about 1 mile SE of Holy Cross Cemetery. Comment
  UCR247942  Solanum elaeagnifolium John Beall 2010-6-9 PDR- 1621662 San Mateo Brisbane; abandoned train tracks 10 m west of Tunnel Ave., south of Beatty Rd. One half mile south of Bayshore Caltrain station, near San Mateo/San Francisco county line 6 Comment
  UC905073  Solanum furcatum Peter H. Raven 1950-4-16 1773 San Mateo on the outskirts of Colma 60 Comment
  RSA34830  Solanum physalifolium var. nitidibaccatum I. L. Wiggins 1945-9-22 11196 San Mateo Moss Beach. Comment
  SJSU15425  Solanum physalifolium var. nitidibaccatum Toni Corelli 2011-8-31 719 San Mateo Half Moon Bay east of of Hwy. 1 and south of Higgins Canyon Road 30 Comment
  RSA14505  Solanum physalifolium var. nitidibaccatum I. L. Wiggins 1935-8-24 8164 San Mateo Pepper field, about 0.5 mile S of Moss Beach. Comment
  CAS-BOT-BC154182  Solanum umbelliferum J. H. Thomas 1949-10-16 1154 San Mateo Just north of outlet of San Gregorio Creek Comment
  CAS-BOT-BC154183  Solanum umbelliferum R. C. Rollins 1942-4-30 3001 San Mateo S.E. slope of the San Bruno hills, about 1 mile west of Brisbane Comment
  CAS-BOT-BC58480  Solanum umbelliferum F. Hemphill 1973-3-17 616 San Mateo San Carlos. North of Malabar Rd. and Melendy Dr. 207 Comment
  CAS-BOT-BC58482  Solanum umbelliferum R. C. Rollins 1941-3-16 2944 San Mateo E slope of Kings Mountain about 6 miles W of Woodside, Santa Cruz Mts. Comment
  NY820568  Solanum umbelliferum L. S. Rose 1934-2-10 34024 San Mateo Woodside. Canyons in Hills Comment
  UC884945  Solanum umbelliferum Lewis S. Rose 1939-2-26 39016 San Mateo Emerald Lake 182 Comment
  UCD23309  Solanum umbelliferum Alan T. Whittemore 1976-5-29 105 San Mateo Intersection of Polyhemus Creek Road and Ticonderoga Street, San Mateo. 140 Comment
  JROH4183  Solanum umbelliferum Joseph J. Schweitzer 1951-4-21 16 San Mateo Jasper Ridge Biological Preserve, Stanford University. Searsville Lake. Road cut along road up from the lake 121 Comment
  RSA675329  Solidago californica L. S. Rose 1932-10-12 32669 San Mateo Kings Mountain. Comment
  RSA133955  Solidago canadensis subsp. elongata John H. Thomas 1959-8-16 8065 San Mateo About two miles southwest of Pescadero. 61 Comment
  CAS-BOT-BC365537  Solidago elongata J. H. Thomas 1959-8-16 8065 San Mateo About 2 miles SW of Pescadero 60 Comment
  CAS-BOT-BC365192  Solidago velutina subsp. californica George Oberlander 1949-7-30 357 San Mateo San Francisco Watershed Reserve. Northern crest of Sawyer Ridge Comment
  CAS-BOT-BC365193  Solidago velutina subsp. californica Josephine D. Randall 1907-7-4 96 San Mateo Santa Cruz Peninsula. Mill's Lake Comment
  JROH1236  Solidago velutina subsp. californica John Hunter Thomas 1989-6-17 24779 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC365924  Soliva sessilis W. R. Dudley 1895-6-6 s.n. San Mateo Santa Cruz Peninsula. Near Pescadero Creek Comment
  CAS-BOT-BC365929  Soliva sessilis John H. Thomas 1961-5-7 9262 San Mateo San Bruno Mountain in northern part of county 396 Comment
  JROH1246  Soliva sessilis John Hunter Thomas 1981-5-19 20612 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  RSA60662  Soliva sessilis I. L. Wiggins 1950-5-20 12352 San Mateo Pescadero Beach. Comment
  UC909336  Soliva sessilis Ira L. Wiggins 1950-5-20 12352 San Mateo above Pescadero Beach Comment
  CAS-BOT-BC353414  Soliva sessilis Peter Rubtzoff 1976-5-22 8550 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction. East Fork Colma Creek canyon area, San Bruno Mountains. Comment
  CAS-BOT-BC353415  Soliva sessilis Peter Rubtzoff 1977-4-14 8940 San Mateo Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road Junction. East Fork Colma Creek canyon area, San Bruno Mountains. Comment
  CAS-BOT-BC365932  Soliva sessilis Walter Knight; Irja Knight 1964-4-13 635 San Mateo San Bruno Mountain. North Power Line Ridge road Comment
  CAS-BOT-BC365933  Soliva sessilis Elizabeth McClintock 1965-3-28 s.n. San Mateo San Bruno Mountain. Slope at Flower Garden adjacent to April Brook Comment
  CAS-BOT-BC374697  Sonchus oleraceus Ira L. Wiggins 1979-8-26 22247 San Mateo Alley between Central and Woodland Avenues, running from Pope to Gilbert Streets, Menlo Park Comment
  CAS-BOT-BC374707  Sonchus oleraceus Walter Knight; Irja Knight 1963-8-5 s.n. San Mateo San Bruno Mountain. Horseshoe Ridge Comment
  RSA181336  Sorghum bicolor subsp. drummondii John H. Thomas 1965-9-8 11444 San Mateo Near intersection of Bayshore & University Ave., East Palo Alto Comment
  UC441312  Sparganium erectum subsp. stoloniferum Katharine Brandegee 1913-8-11 San Mateo Tobin Comment
  JROH5586  Sparganium eurycarpum var. eurycarpum John Rawlings 2012-7-9 1201 B San Mateo Jasper Ridge Biological Preserve, Stanford University. Near upper lake (west of Portola Rd.) adjacent to power line right-of-way. 106 Comment
  CAS-BOT-BC236630  Spartina foliosa John Thomas Howell 1956-11-22 31962 San Mateo Near Main St. and Bayshore Highway, Redwood City Comment
  RSA430754  Spartina foliosa Lyman Benson 1937-8-26 8493 San Mateo 3 mi south of San Mateo, San Francisco Bay watershed 0 Comment
  UCD93001  Spartina foliosa Ira L. Wiggins 1938-11-25 9213 San Mateo along Dumarton Bridge approach. Comment
  CAS-BOT-BC390012  Spergula arvensis Elizabeth McClintock 1965-3-28 s.n. San Mateo San Bruno Mountain. April Brook Comment
  CAS-BOT-BC390013  Spergula arvensis Elizabeth McClintock; Walter Knight; Irja Knight 1963-9-2 s.n. San Mateo San Bruno Mountain. Top of ridge above Brisbane Comment
  JROH1746  Spergula arvensis John Hunter Thomas 1981-4-7 20297 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Searsville Lab Comment
  CAS-BOT-BC390204  Spergularia bocconi G. B. Rossbach; R. P. Rossbach 1940-6-20 737 San Mateo 1 mile south of Montara Point Comment
  CAS-BOT-BC390205  Spergularia bocconi Elizabeth McClintock; Paul Reeberg 1989-6-3 s.n. San Mateo San Bruno Mountains. P.G.&E. Marsh Comment
  CAS-BOT-BC390208  Spergularia bocconi Alice Eastwood 1937-7-25 18888 San Mateo Pebble Beach, Pescadero Comment
  SEINET1877518 Image available Spergularia bocconi Tom Hensel 1973-7-10 278 -A San Mateo Pigeon Point lighthouse, 8.5 mi N of San Mateo-Santa Cruz Co. line. Comment
  CAS-BOT-BC390451  Spergularia macrotheca var. macrotheca Walter Knight; Irja Knight; Elizabeth McClintock 1964-9-11 s.n. San Mateo San Bruno Mountain. Point San Bruno Comment
  CAS-BOT-BC390458  Spergularia macrotheca var. macrotheca Robert Robertson 1954-5-1 115 San Mateo Bench at Pescadero Beach 9 Comment
  CAS-BOT-BC390459  Spergularia macrotheca var. macrotheca G. B. Rossbach; R. P. Rossbach 1937-10-1 615 San Mateo Near Burlingame Comment
  CAS-BOT-BC390474  Spergularia macrotheca var. macrotheca G. B. Rossbach; R. P. Rossbach 1937-11-25 609 San Mateo 3 mi. south of Half Moon Bay Comment
  CAS-BOT-BC390475  Spergularia macrotheca var. macrotheca G. B. Rossbach; R. P. Rossbach 1937-11-25 608 San Mateo 3 mi. south of Half Moon Bay Comment
  CAS-BOT-BC390917  Spergularia marina C. F. Baker 1902-10-20 1859 San Mateo Searsville Comment
  CAS-BOT-BC390699  Spergularia rubra Ira L. Wiggins 1974-7-27 22108 San Mateo Crest of northerly bank of San Francisquito Creek, opposite 1455 Woodland Avenue, Menlo Park Comment
  CAS-BOT-BC390701  Spergularia rubra Elizabeth McClintock; Walter Knight; Irja Knight 1963-9-2 s.n. San Mateo San Bruno Mountain. Top of ridge above Brisbane Comment
  CAS-BOT-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
  CDA9322  Stachys ajugoides M. Beyers, Z. Bakman, L. Feely, & D. Sozanni 2011-4-4 867 San Mateo Pacifica: San Pedro Valley County Park, along Brooks Creek Trail. 148 Comment
  POM63302  Stachys ajugoides A. D. E. Elmer 1903-06 4260 San Mateo Crystal Springs Lake. Comment
  JROH2906  Stachys bullata John Hunter Thomas 1983-6-29 22699 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UCD125820  Stachys bullata G. K. Helmkamp; E. A. Helmkamp 2001-6-2 6771 San Mateo Central CA coast: Purissima Crk Road, E of Half Moon Bay at Purissima Crk, 3.2 miles E of CA-1. 243 Comment
  JROH2911  Stachys bullata John Hunter Thomas 1990-7-4 24873 San Mateo Jasper Ridge Biological Preserve, Stanford University; along road near picnic area Comment
  POM283278  Stachys bullata Lyman Benson 1930-6-14 2160 San Mateo La Honda. 305 Comment
  RSA116738  Stachys bullata W. R. Dudley 1894-7-7 s.n. San Mateo Bear Gulch Road. The Santa Cruz Mtn Peninsula. Comment
  SEINET12330318  Stachys bullata Unknown 1984-1 RR 40151 San Mateo Pacifica, foothills of Montara Mountain, San Pedro Valley Park 61 Comment
  UC202802  Stachys chamissonis A. D. E. Elmer July 1903 4760 San Mateo Pilarcitos Stone Dam Comment
  RSA0109086  Stachys pycnantha W. R. Dudley 1902-9-21 s.n. San Mateo Near Crystal Springs Lake. Comment
  RSA446690  Stachys rigida subsp. quercetorum Glenn A. Gorelick 1967-4-14 s.n. San Mateo San Bruno Mts. overlooking Daly City near San Francisco. Comment
  RSA63022  Stachys rigida subsp. quercetorum L. S. Rose 1950-5-20 50139 San Mateo Emerald Lake region, hills w. of Redwood City. 244 Comment
  CAS-BOT-BC5588  Stachys rigida var. quercetorum A. A. Heller 1907-5-28 8581 San Mateo Back of San Mateo on the Half Moon Bay road, about 3 miles beyond San Mateo 91 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
  JROH1276  Stephanomeria virgata Toni Corelli 2006-8-8 316 b San Mateo Jasper Ridge Biological Preserve, Stanford University. Edge of Road E at junction of Trail 14 106 Comment
  CAS-BOT-BC375911  Stephanomeria virgata Le Roy Abrams 1902-9-28 3002 San Mateo New Grade Road - near Portola Comment
  RSA128948  Stephanomeria virgata subsp. virgata J. T. Howell 1939-10-8 15369 San Mateo Pt San Pedro. Comment
  JROH5322  Stipa lepida John H. Thomas 1967-5-31 12944 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5323  Stipa lepida John H. Thomas 1977-5-14 18610 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH5336  Stipa pulchra John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  POM296440  Stuckenia pectinata Lyman Benson 1932-6-29 3750 San Mateo Lake Searsville, Santa Cruz Mt. range, San Francisco Bay watershed. 152 Comment
  UC306701  Stylomecon heterophylla A. D. E. Elmer April, 1903 4921 San Mateo Spanishtown Comment
  CAS-BOT-BC271641  Symphoricarpos albus var. laevigatus J. I. McMurphy 1906-5-8 75 San Mateo Woodside, Santa Cruz Mts., Santa Cruz Mountain Peninsula 152 Comment
  CAS-BOT-BC271644  Symphoricarpos albus var. laevigatus George Oberlander 1950-3-18 590 San Mateo San Mateo Creek Comment
  CAS-BOT-BC271645  Symphoricarpos albus var. laevigatus Margaret A. Barry 1937-5-23 152 San Mateo Coal Mine Ridge Comment
  CAS-BOT-BC271648  Symphoricarpos albus var. laevigatus John H. Thomas 1961-5-7 9267 San Mateo San Bruno Mountain in northern part of county 396 Comment
  UC1119937  Symphoricarpos albus var. laevigatus G. E. Sindel 1935-8-2 320 San Mateo Harrington Creek; Santa Cruz Quad. 274 Comment
  CAS-BOT-BC271649  Symphoricarpos albus var. laevigatus Elizabeth McClintock 1965-3-28 s.n. San Mateo San Bruno Mountain Comment
  CAS-BOT-BC237071  Symphoricarpos mollis Fred Hemphill 1973-4-22 790 San Mateo Area north of Malabar Road and Melendy Drive, San Carlos 207 Comment
  SEINET5579326  Symphoricarpos mollis H. S. Gentry 1931-1 78 San Mateo 1 mile SE of Holy Cross Cemetery. Comment
  CAS-BOT-BC99086  Symphyotrichum chilense John H. Thomas 1965-11-26 11454 San Mateo At intersection of Tunitas Creek Road and Lobos Creek cutoff 121 Comment
  SBBG32397  Symphyotrichum chilense L. S. Rose 1966-8-15 66083 San Mateo Pillar Pt 1 Comment
  SD30757  Symphyotrichum chilense Edith A. Purer 1933-8-25 5521 San Mateo Spring Valley, along roadside Comment
  CAS-BOT-BC99051  Symphyotrichum chilense Lewis S. Rose 1955-8-29 54112 San Mateo Tunitas 30 Comment
  HSC23979  Symphyotrichum chilense Mary Katherine Wicksten 1971-6-24 117 San Mateo Huddart Park, by park entrance Comment
  UCR256289  Taraxacum officinale Peter Rubtzoff 1976-5-22 8553 San Mateo San Bruno Mountains, 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction 213 Comment
  JROH370  Tauschia hartwegii John Hunter Thomas 1980-4-24 19897 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH373  Tauschia kelloggii John H. Thomas 1963-3-20 10028 San Mateo Jasper Ridge Biological Preserve, Stanford University; near Westridge end of ridge Comment
  UC875689  Tauschia kelloggii Lewis S. Rose 1939-5-5 39092 San Mateo San Mateo Canyon 45 Comment
  CAS-BOT-BC447468  Tellima grandiflora A. D. E. Elmer 1903-6-1 4702 San Mateo Pescadero Comment
  UCR141449  Tellima grandiflora June Latting 1975-6-8 s.n. San Mateo Santa Cruz Mtns., Pescasero Road, 8 miles east of highway Calif. Hwy 1 122 Comment
  UCR56173  Tellima grandiflora Ray Langham 1966-4-3 135 San Mateo [NW] of La Honda, King's Grove [apparently vicin. of Tunitas Creek Rd., Mitchell Creek drainage] 229 Comment
  RSA127726  Tetragonia tetragonoides John H. Thomas 1959-7-8 8015 San Mateo Low moist coastal bluffs at Pescadero Beach. Comment
  POM16722  Thermopsis californica var. californica A. D. E. Elmer 1903-05 4824 San Mateo Crystal Springs Lake. Comment
  CAS-BOT-BC66675  Thysanocarpus curvipes John H. Thomas 1978-5-2 19530 San Mateo Jasper Ridge Biological Experimental Area, about 5 miles southwest of Palo Alto. Comment
  CAS-BOT-BC66678  Thysanocarpus curvipes Alice Eastwood 1914-3-12 s.n. San Mateo San Bruno Hills. Comment
  JROH1599  Thysanocarpus curvipes John Hunter Thomas 1983-4-2 21303 San Mateo Jasper Ridge Biological Preserve, Stanford University; below dam Comment
  RSA45320  Torreya californica I. L. Wiggins 1945-5-5 11160 San Mateo Along La Honda Creek about 1 mile above La Honda 152 Comment
  JROH4756  Toxicoscordion fremontii John H. Thomas 1971-4-10 15760 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC377137  Tragopogon porrifolius Phillip Wheeler 1965-5-28 s.n. San Mateo San Bruno Mountain. Sierra Point Area Comment
  JROH4297  Tribulus terrestris Carol Zabel 2006-7-26 61 San Mateo Jasper Ridge Biological Preserve, Stanford University. Bear Creek crossing, east side of creek, behind metal stream gate Comment
  CHSC42204  Trientalis latifolia Rusti Gammon 1986-3-30 12 San Mateo Ca. 8.1 mi sw of Saratoga, 4.1 mi w off hwy 9. 569 Comment
  POM160586  Trientalis latifolia Lester Rowntree 1929-6-15 s.n. San Mateo Santa Cruz Mts Comment
  RSA116715  Trientalis latifolia W. R. Dudley 1895-6-8 s.n. San Mateo Santa Cruz Peninsula, in redwoods near Pescadero creek Comment
  UCD117573  Trientalis latifolia D. H. Hartmann 1941-4-26 s.n. San Mateo west of Palo Alto. 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
  SEINET7076095  Trifolium barbigerum var. andrewsii A. G. Vestal 1955-5-31 s.n. San Mateo Near Pebble Beach off Route 1. (NAD 27; 37.2369? deg. North Latitude, 122.4153? deg. West Longitude, UTM Zone 10, 551863mE, 4121109mN). [GPS Coordinate: WGS84/NAD83]. Comment
  UCSC003389  Trifolium barbigerum var. andrewsii Randall Morgan 2001-5-9 3733 San Mateo Bean Hollow State Beach, San Mateo County Comment
  POM18837  Trifolium bifidum C. F. Baker 743 San Mateo Woodside Comment
  JROH2256  Trifolium cernuum Toni Corelli 2012-5-15 376 San Mateo Jasper Ridge Biological Preserve, Stanford University; Road J 115 Comment
  JROH2270  Trifolium depauperatum var. truncatum John H. Thomas 1966-4-6 11550 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2228  Trifolium dichotomum Herbert Dengler 1957-4-7 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2229  Trifolium dichotomum John H. Thomas 1957-4-16 6655 San Mateo Jasper Ridge Biological Preserve, Stanford University; on top of ridge and adjacent slopes Comment
  SJSU7635  Trifolium dubium D. D. Kohler 1963-4-11 San Mateo by Skyline Blvd, 3 mi N of San Bruno Comment
  JROH2281  Trifolium fucatum Marie Tifft 1952-5-10 42 San Mateo Jasper Ridge Biological Preserve, Stanford University; above Searsville Lake Comment
  JROH2294  Trifolium fucatum John Hunter Thomas 1978-4-22 19103 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2295  Trifolium fucatum John H. Thomas 1978-5-16 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH2297  Trifolium fucatum John Hunter Thomas 1981-4-29 20511 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  UC16515  Trifolium fucatum J. Burtt Davy 1893-6-17 769 San Mateo Belmont Comment
  UC631607  Trifolium fucatum A. A. Heller 1907-5-23 8560 San Mateo back of San Mateo (on Half Moon Bay Rd) Comment
  SJSU7974  Trifolium fucatum S. H. Anderson 1962-4-15 San Mateo Burlingame Hills Comment
  POM216312  Trifolium fucatum var. fucatum D. D. Keck 1933-5-11 2295 San Mateo Montara Light House and Radio Station. Comment
  POM223326  Trifolium fucatum var. fucatum L. S. Rose 1935-5-4 35152 San Mateo Burlingame. Comment
  POM88134  Trifolium fucatum var. fucatum L. R. Abrams 1902-5-4 2424 San Mateo Woodside Comment
  RSA95543  Trifolium fucatum var. fucatum L. S. Rose 1953-4-5 53014 San Mateo Redwood City, along Bayshore Highway. 3 Comment
  UCSC003369  Trifolium fucatum var. fucatum Randall Morgan 2001-5-9 3730 San Mateo on bluff at San Gregorio State Beach, San Mateo County Comment
  SJSU15444  Trifolium gracilentum var. gracilentum Toni Corelli 2010-5-13 603 San Mateo Pedro Point Headlands, Pacifica, CA, along South Ridge Trail 180 Comment
  JROH2322  Trifolium hirtum John Hunter Thomas 1984-4-24 23300 San Mateo Jasper Ridge Biological Preserve, Stanford University; Sand Hill Road fence Comment
  JROH5566  Trifolium hirtum John Rawlings 2013-4-30 1197 San Mateo Jasper Ridge Biological Preserve, Stanford University. Along east side of Road C south of the San Francisquito Creek bridge. 89 Comment
  JROH2336  Trifolium hybridum John Hunter Thomas 1983-6-2 22326 San Mateo Jasper Ridge Biological Preserve, Stanford University; near the low-flow crossing Comment
  UC147750  Trifolium macraei J. Burtt Davy 1895-5-20 1048 San Mateo Lake Pilarcitos Comment
  JROH5592  Trifolium oliganthum John Rawlings 2013-4-19 1165 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 11 in chaparral. 144 Comment
  JROH2346  Trifolium subterraneum John Hunter Thomas 1980-4-10 19873 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
  SEINET3131915  Trifolium variegatum L. S. Rose 1937-5-2 37251 San Mateo Burlingame 91 Comment
  UC867026  Trifolium variegatum var. melananthum Lewis S. Rose 1937-5-2 37251 San Mateo Burlingame hills 91 Comment
  POM18844  Trifolium willdenovii C. F. Baker 1902-4-4 445 San Mateo Crystal Springs Lake. Comment
  POM18877  Trifolium willdenovii C. F. Baker 1903-4-8 1925 San Mateo San Andreas Lake Comment
  POM277649  Trifolium willdenovii Lyman D. Benson 1930-5-3 2095 San Mateo Roadside on La Honda Grade. Above Woodside. Santa Cruz Mtn range. 305 Comment
  POM88144  Trifolium willdenovii L. R. Abrams 1902-4-13 2319 San Mateo San Andreas Lake. Comment
  SD39589  Trifolium wormskioldii Edith A. Purer 1933-7-27 5385 San Mateo 2.0 miles south of Pigeon Point. Comment
  UC311114  Trifolium wormskioldii A. D. E. Elmer April, 1903 4858 San Mateo Lake San Andreas Comment
  UC80455  Trifolium wormskioldii Katharine Brandegee June 1905 San Mateo Moss Beach Comment
  UCD164094  Trifolium wormskioldii Peter Rubtzoff 1978-5-5 9166 San Mateo San Bruno Mountains. 'Saddle' area on N side of Guadalupe Canyon Parkway west of Radio Road junction, upper part of East Fork Colma Creek Canyon. Comment
  CAS-BOT-BC451908  Triglochin maritima Le Roy Abrams 1901-3-16 1145 San Mateo Cooley's Landing Comment
  CAS-BOT-BC451910  Triglochin maritima Ira L. Wiggins 1946-4-30 11200 San Mateo On west side of Bayshore Highway 1/2 mile north of Redwood City. Comment
  JROH4728  Trillium chloropetalum John H. Thomas 1976-4-2 18075 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4729  Trillium chloropetalum John H. Thomas 1977-4-21 18538 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC521064  Trillium chloropetalum var. giganteum Alice Eastwood 1916-3-1 s.n. San Mateo San Mateo Comment
  CAS-BOT-BC521065  Trillium chloropetalum var. giganteum Walter & Irja Knight 1965-3-21 996 San Mateo San Bruno Mountain Comment
  CAS-BOT-BC521068  Trillium chloropetalum var. giganteum C. F. B. 1902-3-30 431 San Mateo Crystal Springs Lake Comment
  SEINET12044480  Trillium chloropetalum var. giganteum H. R. Davis 1920-1 s.n. San Mateo Santa Cruz Mountain Peninsula, near Searsville Lake Comment
  CAS-BOT-BC133446  Trillium ovatum J. H. Thomas 1949-3-29 190 San Mateo King's Mountain 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
  OBI9375  Triphysaria eriantha subsp. rosea Lewis S. Rose 1965-3-25 65010 San Mateo San Bruno Mts, N end 122 Comment
  CAS-BOT-BC238553  Triphysaria floribunda Vincent Jones 1921-4-1 s.n. San Mateo San Bruno hills Comment
  CAS-BOT-BC238560  Triphysaria floribunda F. W. Pennell; D. D. Keck 1940-5-15 25426 San Mateo Route 101, 4 miles west of Burlingame 182 Comment
  CAS-BOT-BC238576  Triphysaria floribunda Roxana S. Ferris 1921-4-7 2134 San Mateo The Santa Cruz Mountain Peninsula. San Bruno Mt. 60 Comment
  JEPS47716  Triphysaria floribunda Walter Knight and Irja Knight 1965-4-24 1054 San Mateo eastern end San Bruno Mountain; Point San Bruno, eastern end of San Bruno Mountain Comment
  UC1073370  Triphysaria versicolor subsp. versicolor George B. Rossbach 1955-5-29 482 San Mateo Ano Nuevo Point Comment
  JROH5466  Trisetum canescens John H. Thomas 1967-5-12 12869 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC193500  Trisetum cernuum W. R. Dudley 1910-5-26 s.n. San Mateo Coal Mine Ridge, near Black Mt. - Santa Cruz Mountain Peninsula Comment
  JROH5911  Triteleia hyacinthina J. Nordby 1982-4-25 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University. Serpentine grassland along roadside, near oak woodlands Comment
  CAS-BOT-BC523099  Triteleia ixioides subsp. ixioides J. H. Thomas 1949-5-7 504 San Mateo King's Mountain Comment
  SJSU9940  Triteleia ixioides subsp. ixioides L. S. Chan 1955-6-4 117 San Mateo Kings Mt Rd, 1.5 mi W of Woodside, E slope Santa Cruz Mts 243 Comment
  RSA6306  Triteleia laxa David D. Keck 1932-5-6 1466 San Mateo Belmont. Comment
  UCR101434  Triteleia laxa George K. Helmkamp, E. A. Helmkamp 1998-5-16 3752 San Mateo Portola Valley, Golden Hills Rd along Los Trancos Creek 107 Comment
  CAS-BOT-BC526360  Triteleia laxa H. L. Dale 1920-6-1 s.n. San Mateo Back of Menlo Park Comment
  CAS-BOT-BC526790  Triteleia laxa Josephine D. Randall 1907-6-8 235 San Mateo Santa Cruz Peninsula Comment
  CAS-BOT-BC200487  Triticum aestivum Phillip C. Wheeler 1965-6-19 s.n. San Mateo Brisbane Lagoon Comment
  CAS-BOT-BC539287  Typha angustifolia John Rawlings; Ken Hickman 2016-7-21 1903 San Mateo Caltrans right-of-way upslope from Hwy 92 W onramp to Hwy 280 N; downslope from San Francisco Watershed fenceline 122 Comment
  RSA17882  Typha latifolia Carl B. Wolf 1927-6-10 s.n. San Mateo Searsville Lake. Comment
  POM282152  Typha latifolia Lyman Benson 1931-5-29 2809 San Mateo Santa Cruz Mt. Range, Lake Searsville, upper end of lake. 244 Comment
  CAS-BOT-BC213099  Ulex europaeus Roxana S. Ferris 1921-3-21 2119 San Mateo In ravine at edge of ocean; New Year's Point Comment
  JROH145  Umbellularia californica John H. Thomas 1984-10-22 23488 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  CAS-BOT-BC382763  Uropappus lindleyi Ned Cahill 1974-5-18 294 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC382766  Uropappus lindleyi John H. Thomas 1971-5-2 15842 San Mateo Near intersection of Canada Road and Edgewater Road, about three miles westward from Redwood City 152 Comment
  CAS-BOT-BC382762  Uropappus lindleyi unspecified Ap-- s.n. San Mateo San Mateo, San Bruno Mts 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
  POM87994  Urtica dioica subsp. holosericea L. R. Abrams 1901-09 2218 San Mateo Menlo Park. Comment
  POM580641  Urtica urens Lyman D. Benson 1935-5-12 6548 San Mateo Menlo Park 30 Comment
  CAS-BOT-BC238185  Vaccinium cespitosum Peter W. Fritsch; Doug Allshouse 2012-10-19 1950 San Mateo San Bruno Mountain County Park, west end of San Bruno Mountain, at Kamchatka Point just below the Ridge Trail 318 Comment
  CAS-BOT-BC199355  Vaccinium ovatum Josephine D. Randall 1907-4-27 139 San Mateo Kings Mt. Comment
  CAS-BOT-BC199358  Vaccinium ovatum A. D. E. Elmer 1903-4-1 4561 San Mateo King's [Kings] Mountain Comment
  CAS-BOT-BC199359  Vaccinium ovatum L. R. A. 1902-3-16 2281 San Mateo King's [Kings] Mountain Comment
  CAS-BOT-BC199371  Vaccinium ovatum A. D. E. Elmer 1903-4-1 4561 San Mateo King's [Kings] Mountain Comment
  CAS-BOT-BC199374  Vaccinium ovatum Eric Walther 1919-8-1 s.n. San Mateo Woodside Comment
  OBI14436  Vaccinium ovatum Lewis S. Rose 1964-3-14 64005 San Mateo Kings Mountain 610 Comment
  POM222793  Vaccinium ovatum S. S. Berry 1909-3-13 s.n. San Mateo San Mateo Comment
  POM87997  Vaccinium ovatum L. R. Abrams 1902-3-16 2281 San Mateo Kings Mountain. Comment
  RSA471173  Vaccinium ovatum L. S. Rose 1934-2-23 34036 San Mateo King's Mountain. Comment
  SJSU11091  Vaccinium ovatum S. H. Casey 1969-5-18 260 San Mateo near summit San Bruno Mt Comment
  UC877270  Vaccinium ovatum G. W. Reyburn 1908-3-28 San Mateo vicinity Woodside; Kings Mountain 701 Comment
  CAS-BOT-BC199354  Vaccinium ovatum R. Stinchfield 1913-11-1 176 San Mateo King's Mt. Trail Comment
  CAS-BOT-BC76137  Vancouveria planipetala A. D. E. Elmer 1903-5-1 4922 San Mateo On the Pescadero Creek, Iverson's Place. Comment
  CAS-BOT-BC76138  Vancouveria planipetala A. D. E. Elmer 1903-5-1 4922 San Mateo Iverson's Place. Comment
  CAS-BOT-BC76140  Vancouveria planipetala Dr. E. B. Copeland 1903-5-9 3051 San Mateo Big Basin. Comment
  CAS-BOT-BC76142  Vancouveria planipetala W. R. Dudley 1905-6-12 s.n. San Mateo Santa Cruz Mountain Peninsula. Road beyond Iverson's near Pescadero Creek. Comment
  JROH4256  Verbena bonariensis Carol Zabel 2006-8-21 63 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4270  Verbena lasiostachys var. lasiostachys John Hunter Thomas 1990-7-4 24874 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH4281  Verbena lasiostachys var. scabrida John Hunter Thomas 1983-6-2 22325 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near the low-flow crossing Comment
  JROH5832  Veronica americana Ann Lambrecht, Teri Barry, Nona Chiariello, and Alice Cummings 2014-5-20 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; Corte Madera Creek delta of Searsville Lake Comment
  JROH4155  Veronica persica Carol Zabel 2007-4-30 67 San Mateo Jasper Ridge Biological Preserve, Stanford University; caretaker's garden area and other areas around the caretaker's residence Comment
  UC1084414  Vicia americana var. americana G. Thomas Robbins 1937-4-11 104 San Mateo near Redwood City Comment
  POM278056  Vicia americana var. americana Lyman D. Benson 1935-5-5 6530 San Mateo Lake Searsville. 152 Comment
  POM16746  Vicia gigantea A. D. E. Elmer 1903-06 4445 San Mateo Pescadero Comment
  SFV4290  Vicia gigantea J. Turner, F. M. Ball 1962-7-7 s. n. San Mateo Highway 1, almost 10 miles north of Santa Cruz County line Open roadside. 30 Comment
  RSA101016  Vicia gigantea G. Oberlander 1950-5-28 968 San Mateo Cahill Ridge, San Francisco Watershed Reserve Comment
  UCR123141  Vicia sativa subsp. sativa George K. Helmkamp, E. A. Helmkamp 2001-6-2 6765 San Mateo Central Coast, Pillar Point Harbor, about 4 miles north of Half Moon Bay 6 Comment
  JROH2451  Vicia sativa subsp. sativa John Hunter Thomas 1983-4-3 21311 San Mateo Jasper Ridge Biological Preserve, Stanford University; old beach area Comment
  JEPS112937  Vicia tetrasperma Dean W. Taylor 2002-3-20 17954 San Mateo Franklin Point, along path to the coastal bluff from parking area on Highway 1 15 Comment
  CAS-BOT-BC264036  Viola adunca W. R. Dudley 1894-3-28 s.n. San Mateo Near Pebble Beach, Pescadero Comment
  RSA15353  Viola adunca Carl B. Wolf 1927-1-29 168 San Mateo Pebble Beach, coast south of Pescadero. Comment
  CAS-BOT-BC536828  Viola glabella Roxana S. Ferris 1921-3-20 2110 San Mateo Santa Cruz Mountain Peninsula: Pescadero Creek in canon 6 mi above Pescadero Comment
  CAS-BOT-BC536829  Viola glabella Brandegee no date on label s.n. San Mateo San Gregorio Redwoods Comment
  CAS-BOT-BC536832  Viola glabella Brannan; Kellogg 1870-5-31 s.n. San Mateo Redwoods Comment
  CAS-BOT-BC536833  Viola glabella Roxana S. Ferris 1920-4-26 1961 San Mateo Santa Cruz Mountain Peninsula: near mouth of canon of Pescadero Crek 243 Comment
  RSA130599  Viola ocellata Josephine Randall 1908-3-28 s.n. San Mateo Kings Mt Road. Santa Cruz Peninsula. Comment
  UC1057444  Viola pedunculata G. Thomas Robbins 1937-4-11 84 San Mateo on slopes above Spring Valley Lake (s of San Francisco) Comment
  POM135117  Viola sempervirens C. F. Baker 1902-1-15 232 San Mateo West side of King's Mountain Comment
  SEINET215125 Image available Viola sempervirens C. Hendel 1973-4-15 14 San Mateo Tunitas Creek Road 6.5 mi from its jct. with Skyline Boulevard ca. 9 mi S of San Mateo Comment
  CAS-BOT-BC182766  Vulpia Peter Rubtzoff s.n. San Mateo San Bruno Mountains. Saddle area on north side of Guadalupe Canyon Parkway west of Radio Road junction Comment
  CAS-BOT-BC199818  Vulpia Louis F. Pitelka 1973-4-30 s.n. San Mateo Bolsa Point, about 1 mi N of Pigeon Point and about 39 mi S of San Francisco Comment
  CAS-BOT-BC199819  Vulpia John H. Thomas 1964-4-30 10373 San Mateo San Bruno Mountain in northern part of county 396 Comment
  CAS-BOT-BC199857  Vulpia bromoides Javier Penalosa 1963-3-9 2694 San Mateo Ravine 1/2 mi. east of 1314 ft. summit 304 Comment
  UCD164342  Vulpia bromoides Peter Rubtzoff 1977-4-16 8948 San Mateo San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC185994  Vulpia myuros var. myuros Ira L. Wiggins 1975-4-12 22138 San Mateo NE side of Southern Pacific right-of-way, between San Francisquito Creek and Ravenswood Avenue, Menlo Park Comment
  CAS-BOT-BC185991  Vulpia myuros var. myuros Javier Penalosa 1963-3-9 2688 San Mateo Ravine 1/2 mi. east of 1314ft. summit. San Bruno Mountain 304 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
  JROH9  Woodwardia fimbriata Toni Corelli 2006-6-28 314 B San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 13, lake side of Leonard's bridge 106 Comment
  CAS-BOT-BC383215  Wyethia angustifolia A. D. E. Elmer 1903-5-1 4790 San Mateo Crystal Springs Lake Comment
  CAS-BOT-BC383218  Wyethia angustifolia Alice Eastwood 1912-6-10 332 San Mateo Millbrae Comment
  SJSU2295  Wyethia angustifolia C. W. Sharsmith 1950-4-16 6624 San Mateo near Pescadero Point, near Pescadero Comment
  CAS-BOT-BC383200  Wyethia angustifolia Ferd Simon 1980-4-3 s.n. San Mateo Sweeney Ridge, Pacifica Comment
  CAS-BOT-BC383214  Wyethia angustifolia George Oberlander 1949-5-21 180 San Mateo San Francisco Watershed Reserve. Near San Andreas Lake Comment
  HSC81856  Wyethia angustifolia Thomas W. Nelson, Jane P. Nelson 1980-5-3 5134 San Mateo Intersection of Hwy. 92 and Hwy. 280, W of San Mateo. Comment
  JROH1300  Wyethia angustifolia D. D. Davis 1903-4-1 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; eastern end of Searsville Ridge Comment
  JROH5756  Wyethia angustifolia M. Ray 1982-5-14 s.n. San Mateo Jasper Ridge Biological Preserve, Stanford University; near Rattlesnake rocks on trail from Dam, along San Francisquito Creek toward Redwood grove. Comment
  JROH412  Yabea microcarpa John H. Thomas 1966-4-22 11571 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH421  Yabea microcarpa Toni Corelli 2011-4-19 367 San Mateo Jasper Ridge Biological Preserve, Stanford University. Trail 11 Comment
  SEINET12119994  Yabea microcarpa Unknown 1932-1 9134 San Mateo Sky Line Drive Comment
  CAS-BOT-BC173610  Zantedeschia aethiopica Peter Rubtzoff 1980-6-14 9457 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. In the source area of East Fork Colma Creek. Comment
  JROH2551  Zeltnera muehlenbergii John H. Thomas 1967-11-5 14134 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  SJSU15967  Zeltnera muehlenbergii Toni Corelli, John Rawlings 2016-5-27 1846 San Mateo Bean Hollow bluff trail, west of Hwy 1 south of Pescadero 8 Comment
  UCSC008507  Zeltnera muehlenbergii Randall Morgan 2013-5-24 5530 San Mateo Edge of Lake Lucerne, Bean Hollow Comment
  SEINET12044399  Zigadenus fremontii L. S. Rose 1931-1 s.n. San Mateo Coast Ranges Comment



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