Search Results — 2000 specimen records retrieved (1402 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SFV12411  Abutilon theophrasti D. L. Koutnik, J. Sowell 1978-10-27 578 Yolo Sacramento Valley Along dirt road 1 mile south of Putah Creek, east of County Road 106 and west of Yolo Causeway. 6 Comment
  SEINET3195255 Image available Acer macrophyllum B. J. McCaskill 1954-3-12 220 Yolo Highway 16, 1.7 miles northwest of Rumsey Comment
  UCD117012  Acer macrophyllum K. Esau 1936-3-27 s.n. Yolo Putah Canyon. Comment
  SBBG14320  Acer negundo L. B. Hendrix 1962-4-28 26 Yolo University of Californica campus, Davis Comment
  UCD81459  Acer negundo var. californicum M. Wiesendanger 1927-5-4 635 Yolo Putah Canyon. Comment
  UCD141693  Acer saccharinum Ellen Dean; M. Taylor 2013-6-20 7805 Yolo North side of Putah Creek east of City of Winters. South of Russell Blvd. on east side HWY 505. Yolo County Housing Authority area. Plot YHA 2D of Putah Creek vegetation survey. 6 Comment
  SEINET6700517 Image available Achillea millefolium G. Cook 1959-3-28 3 Yolo Collected 4 miles from Winters, along highway 128 351 Comment
  UCD128293  Achillea millefolium J. K. Couch 1995-5-14 3 Yolo in Community Gardens in Davis. 1.5 miles north of Putah Creek, bordering 113. 16 Comment
  CDA11628  Achyrachaena mollis G. F. Hrusa, S. Larson 1995-4-1 12052 Yolo North Coast Biodiversity Arena; between Interstate 505 and onramp at Hwy 16 (Woodland Main street extension). Comment
  UCD128383  Achyrachaena mollis H. A. Borthwick 1925-5-11 1894 Yolo Davis. Comment
  UCD160159  Achyrachaena mollis Heather Castro 2015-4-12 1 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. 188 Comment
  UCD80969  Achyrachaena mollis Ellen Dean; R. Rawson, J. Herford, A. Weidling, H. McGinnis 2009-4-1 5352 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Western side of property used by model airplane club. 9 Comment
  UCD21532  Acmispon americanus var. americanus J. Shepard 2000-7-29 334 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. Southeast to a grove of trees planted Spring 2000. 12 Comment
  UCD104040  Acmispon brachycarpus Beecher Crampton 1958-4-21 4719 Yolo 6.5 miles northwest of Rumsey, NW Yolo county, along State Hwy. 16. Comment
  UCD104054  Acmispon brachycarpus K. Esau 1935-3-8 s.n. Yolo Putah Canyon. Comment
  UCD160087  Acmispon brachycarpus Jessica Sanchez 2015-4-12 4 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. 113 Comment
  UCD47972  Acmispon brachycarpus M. Furuyama; M. Atamian, R. Brush, S. Olmsted, C. Owens 2000-4-29 4 Yolo Yolo Co, 1 mile north of Knoxville as the crow flies, 300 m east of an old dirt road that intersects the Yolo/Napa Co line. 640 Comment
  UCD59313  Acmispon brachycarpus Ellen Dean; Kate Mawdsley 2007-5-11 3737 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Central part of ranch near western portion of loop road. 638 Comment
  UCD104138  Acmispon glaber D. Sanchez-Mata 1998-6-24 s.n. Yolo Rumsey. Cache Creek Ridge. Cache Creek Canyon Regional Park. 210 Comment
  UCD149379  Acmispon glaber Trongren 1956-1 s.n. Yolo Dunnigan foothills. 184 Comment
  UCD39174  Acmispon wrangelianus Beecher Crampton 1953-5-5 1211 Yolo 1.5 miles northest Davis. Comment
  UCD35569  Acmispon wrangelianus Beecher Crampton 1958-4-21 4706 Yolo 1.6 miles northwest of Rumsey. Comment
  CDA15225  Acroptilon repens G. F. Hrusa, T. D. Wilfred 1998-10-7 14840 A Yolo Central Valley; Along Tule Canal extending S from Rd. 124, approx. 1/4 km from gate. Comment
  UCD35425  Acroptilon repens Beecher Crampton 1956-7-13 3718 A Yolo Harbor Blvd. and Deluth St., West Sacramento. Comment
  UCD38759  Acroptilon repens Beecher Crampton 1957-10-25 4641 Yolo West Sacramento, along the US Hwy. 40 freeway. Comment
  UCD70766  Actinidia chinensis J. Shepard 1998-5-10 3 Yolo City of Davis, yard in East Davis on Myrtle Place. 15 Comment
  CAS-BOT-BC133141  Adenostoma fasciculatum Roxana Stinchfield 1916-6-26 354 Yolo Foothills west of Dunnigan near Buckeye Cr. Comment
  UCD20872  Adenostoma fasciculatum N. Nicola 2001-9-5 99 Yolo Capay Valley, 0.9 miles as the crow flies N of Rumsey; Lowrey Ranch. Comment
  UCD80987  Adenostoma fasciculatum Angelica Sauceda; Ellen Dean, Clare Loughran 2009-4-26 7 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Lower reaches of Bray Canyon. West of creek. 91 Comment
  SEINET11722725  Adiantum jordanii Unknown 1997-4-25 8 Yolo along Putah Creek just E of Hwy 128 across from Stebbin's Reserve parking area 170 Comment
  SEINET240104 Image available Aegilops neglecta Beecher Crampton 1961-5-8 T.O. 2623 Yolo CULTIVATED; UC Davis agronomy experimental area, plant introduction nursery, row E-84; USDA plant introduction #170-194. Comment
  SEINET3915564  Aegilops speltoides Beecher Crampton 1961-5-8 2621 A Yolo Uc Davis agronomy experimental area, plant introduction nursery, row -81; planted from seeds obtained from Iraq thru USDA Regional Plant Introduction Station, Ames, Iowa, USDA plant introduction #254-865. Seed received Aug. 22, 1960.; 0 Comment
  CDA8338  Aegilops triuncialis Robin Breckenridge 2008-5-12 PDR# 1313561 Yolo Capay, 23585 Hwy 16. 0 Comment
  CHSC107298  Aegilops triuncialis R. Breckinridge 2009-5-26 PDR 1313570 Yolo In the vicinity of Madison and Winters. Along CR 89, between CR 25 and CR 20. Comment
  UCD51569  Aegilops triuncialis Beecher Crampton 1972-5-28 8809 Yolo Road 95 west of Airstrip. Comment
  UCD51574  Aegilops triuncialis A. Haig 1958-10-1 s.n. Yolo Fred Coble Ranch, 2 miles west of Winters. Comment
  CDA37725  Aegilops triuncialis R. Breckenridge/K. Filippini 2009-5-15 s.n. Yolo Near Guinda, Tompkins Ranch. 0 Comment
  SEINET11695731  Aegilops triuncialis Unknown 1959-5-26 5255 Yolo 2.5 mi W of Winters, CA 128 Comment
  SEINET240107  Aegilops triuncialis Beecher Crampton TO 2618 Yolo CULTIVATED; UC Davis agronomy experimental area, plant introduction nursery Comment
  HSC13493  Aesculus californica W. R. Rogers 1965-6-25 302 Yolo Co. Rd. 40 Fiske Creek Ridge Comment
  SEINET1908059  Aesculus californica Everett H. Everson 1951-1 46 Yolo Putah Canyon, 4.8 miles west of Winters Comment
  UCD14643  Aesculus californica Deanna Lynn Pfleger 1989-6-7 8 Yolo Stebbins Cold Canyon Reserve. 100 yards from road to Stebbins Reserve; 97 Comment
  UCD15547  Aesculus californica Lara Hawthorne 1989-6-3 17 Yolo Hwy 128 near Stebbins Reserve. 97 Comment
  UCD63072  Agoseris heterophylla Ellen Dean 2008-4-9 4781 Yolo Tuleyome Ireland Ranch. Central part of Ranch. Upper reaches of main canyon that starts near upper part of main loop road. In drainage that leads to canyon downslope of stock pond. 602 Comment
  SEINET242443 Image available Agropyron desertorum Beecher Crampton 1955-5-25 T.O.s.n. Yolo UC Davis Campus, Agronomy Experimental Area Comment
  UC1151660  Agrostis avenacea Beecher Crampton 1958-6-27 4978 Yolo along the railroad 1.3 mi s Dunnigan Comment
  UCD51798  Agrostis avenacea Beecher Crampton 1960-5-9 5505 Yolo 1/4 mile south Saxon Station. Comment
  RSA654917  Agrostis densiflora Beecher Crampton 1963-6-20 3108 Yolo UC Davis Agrostis Nursery, A-G. Grown from seed collected July 27, 1955 in Mendocino County, 4 miles south of Fort Bragg, 1.5 miles north of Caspar along State Highway 1, near Jughandle Creek Comment
  UCD52091  Agrostis exarata Beecher Crampton 1974-6-28 9057 Yolo 6 miles west Winters, along Putah Creek. Comment
  UCD52262  Agrostis exarata Beecher Crampton 1961-10-25 6057 Yolo 2 miles west of Bryte, County Road 127, confluence Sacramento and Yolo Bypass. Comment
  UCD53530  Agrostis stolonifera Leonard 1919-6-13 x 3068 Yolo Davis. Comment
  RSA697341  Aira danthonioides Lois Weston 1942-4-20 s.n. Yolo Davis. Comment
  UCD39774  Ajuga reptans Beecher Crampton 1964-4-23 s.n. Yolo Ground cover planting about Freeborn Hall. Comment
  UCD137994  Alisma triviale C. B. Heiser Jr. 1947-7-22 1965 Yolo north of Davis. Comment
  UCD48251  Allium amplectens M. K. Voigt; E. Sweeney and M. Miller 2002-4-13 11 Yolo McLaughlin UC Reserve. W side of Davis Creek Reservoir, 10 m S of road that goes from Soda Spring area to Rayhouse Rd. Ca. 0.5 airline mile due N of Soda Springs and Ca. 1.0 airline WNW of UC Davis Aquatic Lab facility. Along edges of running stream and slopes to the north and south of stream on the W side of the road. 487 Comment
  UCD135954  Allium neapolitanum Barry Rice 2012-4-14 BR 120402 Yolo Exact location unknown. 11 Comment
  CAS-BOT-BC472800  Allium neapolitanum Beecher Crampton 1977-4-1 9460 Yolo Davis Comment
  UCD48259  Allium serra Ryan Knox; E. McDermott, G. Walden 2002-4-13 13 Yolo Yolo Co., McLaughlin UC Reserve, W side of Davis Creek Reservoir, along road that goes from Soda Spring area to Rayhouse Rd. ).5 airline mile due N of Soda Springs and 1.0 airline mile WNW of UC Davis Aquatic Lab facility. 465 Comment
  CAS-BOT-BC475500  Allium triquetrum June McCaskill 1967-4-2 717 Yolo 815 E. 9th Street, Davis Comment
  UCD55985  Alopecurus P. B. Kennedy 1915-4-26 s.n. Yolo Outskirts of Davis. Comment
  UCD147279  Alopecurus saccatus Carol W. Witham 2003-4-11 925 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD21245  Alopecurus saccatus J. Shepard 2000-4-13 129 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. South of entrance road, past parking lots on the south side, ca 50 feet farther south of depressed rectangular area. 12 Comment
  UCD37594  Alopecurus saccatus Beecher Crampton 1955-4-14 2494 Yolo Yolo County, 2 miles northwest of Dunnigan. Comment
  UCD55816  Alopecurus saccatus A. A. Beetle 1946-4-15 4376 Yolo Woodland airport. Comment
  UCD55922  Alopecurus saccatus M. Wiesendanger 1927-4-29 597 Yolo Davis. Comment
  UCD55958  Alopecurus saccatus P. B. Kennedy 1915-4-26 s.n. Yolo Outskirts of Davis. Comment
  UCD97170  Amaranthus albus P. B. Kennedy 1920-6-23 s.n. Yolo Clarksburg -- Sacramento River. Holland Land Co. Comment
  UCD97082  Amaranthus cruentus Beecher Crampton 1969-10-2 8515 Yolo Davis. Comment
  UCD39250  Amaranthus deflexus B. Crampton 1952-10-11 855 Yolo Davis. Waste lot in adobe soil. Comment
  UCD97411  Amaranthus hypochondriacus Clinton V. Kellner 1978-8-10 s.n. Yolo Garden area south of Orchard Park housing complex, University of California campus, Davis. Comment
  UCD97530  Amaranthus powellii C. J. W. 1913-9-1 313 Yolo Davis. Comment
  CDA16257  Amaranthus retroflexus G. F. Hrusa 1997-10-13 14120 Yolo Sacramento Valley; Sacramento R. immediately S of I-5 ~ 5 mi E of Woodland (near tule canal). 8 Comment
  UC735712  Amaranthus retroflexus Charles B. Heiser Jr. 1947-5-30 1919 Yolo Davis Comment
  UCD97752  Amaranthus retroflexus A. S. Crafts 1926-7-8 479 Yolo University Farm Campus, Davis. Comment
  UCR197933  Amaranthus retroflexus Beecher Crampton 1952-10-11 853 Yolo Sacramento Valley, 1 mi north of Davis, waste lot 12 Comment
  UCD128766  Ambrosia psilostachya Beecher Crampton 1952-10-11 856 Yolo 1 mile north of city of Davis. Comment
  IRVC9308  Ambrosia psilostachya var. californica B. T. Gittins 1966-8-9 1512 Yolo N side Putah Creek; just below Monticello Dam. Comment
  UC735740  Ammannia coccinea Chas. Heiser 1927-7-8 1952 Yolo n. Davis Comment
  UCD81537  Ammannia robusta W. W. Robbins; W. D. Norton 1927-10-1 823 Yolo West of Davis. Comment
  UCD102873  Ammannia robusta K. Esau; D. Hartmann 1941-7-17 s.n. Yolo Near Zamora. Comment
  UCD126105  Ammi visnaga Beecher Crampton 1961-10-25 6042 Yolo 4 miles NW of Bryte, Yolo Bypass, S of Todhunter's Lake. Comment
  SEINET10408279 Image available Amorpha californica June McCaskill, Roman Gankin 1962-5-2 650 Yolo ca. 20 yards above road; State Highway 16, 2.7 miles south of junction with State Highway 20 Comment
  CDA30728  Amsinckia intermedia M. Beyers 2010-5-12 445 Yolo In the vicinity of Esparto, along the east side of County Road 87, where it bridges Cache Creek on its north. 55 Comment
  SD240914  Amsinckia intermedia George K Helmkamp, E. A. Helmkamp 2012-4-17 18775 Yolo Sacramento Valley: along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland (Madison 7.45'Q) 64 Comment
  UC1178292  Amsinckia intermedia Ray and Chisaki 1952-4-13 K 105 Yolo Guinda Comment
  UC1191034  Amsinckia intermedia Peter M. Ray 1950-4-15 1708 Yolo 6 mi n Rumsey (on Cal Hwy 16, n side of canyon of Cache Creek, 1/4 mi inside Yolo-Colusa county line); Cache Creek Comment
  UCD80940  Amsinckia intermedia Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5343 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Old rodeo area. Buildings gone now. 9 Comment
  HSC31625  Amsinckia intermedia Glenn McGourty 1974-4-20 10 Yolo On corner of Route 99W and Rd. 56 Comment
  UCD119683  Amsinckia intermedia P. B. Kennedy 1915-4-26 s.n. Yolo Alk belt -- outskirts -- Davis. Comment
  UCD119686  Amsinckia intermedia June McCaskill; Katherine Onaga 1963-5-2 664 Yolo Southwest of Gilmore Hall, University of California campus, Davis. Comment
  UCD15502  Amsinckia intermedia Fred Tulley 1984-5-6 10 Yolo Davis Equestrian Field. 19 Comment
  UCD119765  Amsinckia menziesii P. Thompson 1996-4-14 24 Yolo Davis; south side of town, path parallel to Valdora Road. 17 Comment
  UCD56717  Amsinckia menziesii Ellen Dean; M. Bibbo 2007-3-23 3410 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SW portion of ranch. 649 Comment
  UCD117548  Anagallis arvensis P. Thompson 1996-4-14 10 Yolo Davis. South side of town, path parallel to Valdora Road. 17 Comment
  UCD81003  Anagallis arvensis Drew Maraglia 2009-4-15 5 Yolo Mavis Henson Field, owned by city of Woodland. East side of County Road 102, just south of County Road 25. Old rodeo parking area. 9 Comment
  UCD117435  Anagallis arvensis Edwin A. Crosby 1952-4-23 21 Yolo beside old picnic ground, UC Davis campus. Comment
  UCD56039  Andropogon glomeratus Beecher Crampton 1953-10-29 1732 Yolo Putah Canyon 7-8 miles west of Winters. Comment
  UC1151617  Andropogon glomeratus var. pumilus Beecher Crampton 1962-10-30 6710 Yolo State Hwy 128, 8.5 mi w Winters; Vaca Mtns., Putah Creek Canyon Comment
  UC793827  Andropogon glomeratus var. pumilus A. A. Beetle 1946-7-13 4691 Yolo 1 mi below Canon Ball Pt.; below Canon Ball Pt. Comment
  CAS-BOT-BC391770  Anemone deltoidea Mrs. H. C. Cantelow 1932-8-17 369 Yolo Unspecified Comment
  UCR148786  Anredera cordifolia Cynthia Cheney 1969-8-22 s.n. Yolo 411 University Avenue, Davis Comment
  CDA6813  Anthemis cotula D. G. Kelch 2007-5-18 7 .327 Yolo Yolo Causeway, 0.4 mi E of Levee Rd. / RR crossing. Comment
  UCD149363  Anthemis cotula Collector Unknown 1925-5-11 s.n. Yolo City of Davis. 15 Comment
  UCR36575  Anthemis cotula A. C. Sanders 1984-6-18 5061 Yolo Sacramento Valley, Sacramento Bypass near Bryte, just NW of Sacramento, bed of the bypass 1 mi west of the Sacramento River 5 Comment
  UCD41133  Anthriscus caucalis N. Nicola 2002-4-10 169 Yolo Eastern foothills of inner North coast range, Berryessa Valley, approx. 3.5 miles as the crow flies east of Monticello dam, off of Hwy 128, north side of creek. Comment
  UCD123493  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Glen Holstein 1977-5-15 s.n. Yolo near mouth of Bray Canyon, 0.5 mile east of bridge over Putah Creek in vicinity of Monticello Dam, near State Highway 128. Comment
  UCD149342  Apocynum cannabinum Collector Unknown 1938-7-20 s.n. Yolo Causeway. 4 Comment
  UCD81565  Apocynum cannabinum W. W. Robbins; W. D. Norton 1928-8-1 1417 Yolo near Clarksburg. Comment
  UCD39745  Arachis hypogaea Beecher Crampton 1972-1-1 s.n. Yolo seed lab Cal Crop Improvement. Comment
  UCD81288  Arctostaphylos G. L. Stebbins Jr. 1966-2-22 6308 Yolo Summit ridge of Glasscock Mountain. 731 Comment
  SBBG118099  Arctostaphylos manzanita C. Bornstein, E. Collins, R. Lutsko 2004-6-18 Yolo Hwy 16, 11.4 mi S of jct w/ Hwy 20, along Cache Crk 160 Comment
Read comments
May 17 2010
  UCD52066  Arctostaphylos manzanita Beecher Crampton 1970-2-10 8532 Yolo 2 miles W of Winters. Comment
  UCD56692  Arctostaphylos manzanita Ellen Dean 2006-10-27 3301 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. 640 Comment
  CHSC83123  Arctostaphylos pajaroensis Roman Gankin 1967-1-16 Yolo UCD Arboretum. Davis. Comment
  SEINET4342626  Aristida hamulosa B. Crampton 1963-9-19 6896 Yolo 2.5 miles west of Winters on Hwy. 128 Comment
  CAS-BOT-BC146316  Aristida ternipes var. gentilis Beecher Crampton 1962-9-11 6667 Yolo 2.5 miles west of Winters. Comment
  UCD169002  Aristida ternipes var. gentilis Ellen Dean; Dash Weidhofer and Audubon trip participants 2017-4-1 9303 Yolo Audubon Bobcat Ranch. Lands north of Hwy 128 and Putah Creek west of town of Winters. Area burned three times in the past three years. Central part of ranch. Ridge extending south from undeveloped road west of headquarters. 157 Comment
  UCD37680  Aristida ternipes var. gentilis Beecher Crampton 1961-6-6 5895 Yolo Yolo County, 2 miles west of Winters. Comment
  UCD56863  Aristida ternipes var. gentilis Jack Major 1961-6-13 542 Yolo along Putah Creek, 1.2 miles west of junction of State Highway 128 and Pleasants Valley Road. Comment
  LA76971  Aristolochia californica J. A. Ewan; 1934-3-18 8687 Yolo Putah Creek, 8 mi. above Winters Comment
  RSA696207  Aristolochia californica Keith E. Hoffmaster 1939-2-25 947 Yolo Putah canyon, Coast Range west of Winters Comment
  UC762341  Aristolochia californica R. F. Hoover 1938-2-22 2769 Yolo Putah Creek canyon Comment
  UCD137813  Aristolochia californica K. Esau 1931-2-22 2174 Yolo Putah Canyon. Comment
  UCD70194  Aristolochia californica D. Sanchez-Mata 1998-6-24 s.n. Yolo Capay Valley. Salt Creek between Capay and Cadenasso. 100 Comment
  UCD56016  Arrhenatherum elatius Leonard 1919-6-13 3072 Yolo City of Davis. Comment
  UCD56033  Arrhenatherum elatius F. J. Campbell 1948-6-6 s.n. Yolo City of Davis. Campus of University of CA, Davis. University Farms. Comment
  CAS-BOT-BC90269  Artemisia douglasiana Roxana Stinchfield 1916-6-25 333 Yolo Buckeye Creek - Goodin Ranch Comment
  JEPS100801  Arthrocnemum subterminale Dean W. Taylor 1993-7-9 13852 Yolo 3 air mi from Woodland; Central Valley 10 Comment
  UCD33822  Arthrocnemum subterminale Beecher Crampton 1973-6-22 8961 Yolo Yolo County, 3 miles S.E. of Woodland (in direct line), county roads 25 and 103. Comment
  UCD35248  Arthrocnemum subterminale Beecher Crampton 1952-11-4 908 Yolo Roadside bank, alkali flats, about 1.5 miles east of Woodland. Comment
  SEINET11696156  Arundo donax var. versicolor Unknown 1962-11-3 s.n. Yolo city of Davis Comment
  UCD56049  Arundo donax var. versicolor Beecher Crampton 1962-11-3 s.n. Yolo Davis. Comment
  HSC82061  Asclepias cordifolia Thomas W. Nelson, Jane P. Nelson 1980-4-27 5104 Yolo Along SR 16, 100 m E of bridge over Cache Creek, 4.2 mi. from county line 152 Comment
  UCD160102  Asclepias cordifolia Emily Howard 2015-4-12 4 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. 137 Comment
  UCD121267  Asclepias cordifolia H. B. Nidever 1951-5-26 37 Yolo Cache Creek Canyon, 2 miles above Rumsey. Comment
  SEINET955315  Asclepias curassavica Patricia Williams 1965-1 Yolo University of California campus, Davis. Comment
  HSC36206  Asclepias fascicularis John Rehling 1975-7-21 101 Yolo Near the S Pacific tracks on disturbed ground. Comment
  SEINET11262202  Asclepias fascicularis Mark Wilkerson 1976-6-1 20 Yolo Junction of Interstate 80 and Road 95 in Davis.; 0 18 Comment
  UCD121320  Asclepias fascicularis C. J. W. Date unknown s.n. Yolo Found in spots near Davis. Comment
  UCD141599  Asclepias speciosa Ellen Dean; M. Taylor 2013-6-3 7770 Yolo Along Putah Creek between the Yolo Bypass and Mace Blvd. (County Road 104). On private agricultural land (Los Rios Farms), North of County Road 35, and East of County Road 106 on the North side of Putah Creek. Plot PCS 1D of Putah Creek vegetation survey. Also in Plot 1E and others here. 6 Comment
  UCD121368  Asclepias speciosa Mark F. Bean 1976-8-10 s.n. Yolo Next to community gardens opposite PG and E, 5th Street, Davis. Comment
  UCD121373  Asclepias speciosa C. B. Heiser Jr. 1946-9-18 1862 Yolo Along Southern Pacific Railroad, near Davis. Comment
  UCD121376  Asclepias speciosa June McCaskill; Katherine Onaga 1959-5-18 596 Yolo North of and adjacent to County Road 32-A and west of County Road 103-B, Willowbank area. Comment
  UC1221003  Astragalus didymocarpus Beecher Crampton 1963-5-24 6810 Yolo ne West Davis School (Davis, edge of field); Davis, ne of West Davis School Comment
  UCD160477  Astragalus gambelianus Ellen Dean; Craig Thomsen 2015-3-21 8593 Yolo Audubon Bobcat Ranch. Western part of ranch, just north of Hwy 128 and N of Putah Creek. Area E of Bray Canyon near base of large escarpment labeled 'spring' on topo maps. Burned in 2014. 182 Comment
  CAS-BOT-BC173211  Astragalus tener Beecher Crampton 1998-4-21 10346 Yolo Ca. 3.5 miles S.E. of Woodland along county road 102, east of Mavis - Hanson field Comment
  UCD105340  Astragalus tener var. ferrisiae Beecher Crampton 1978-5-8 9579 Yolo Yolo County, 1/4 mile south of Saxon Station. Comment
  UCD72401  Astragalus tener var. ferrisiae Ellen Dean; C. Witham, R. Preston, J. Buck 2007-4-20 3705 Yolo Dept. of Fish and Game Tule Ranch property, SW of the intersection of County Roads 106 and 38 (continue S through gate on extension of C.R. 106, turn west to farm structures). 1 Comment
  UC2014133  Astragalus tener var. ferrisiae Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo County: Yolo Bypass. Glide Ranch. Comment
  UCD36882  Astragalus tener var. tener Beecher Crampton 1956-4-26 3315 Yolo Yolo County, 7 miles northeast of city of Davis, County Road 103. Comment
  UCD38348  Astragalus tener var. tener Beecher Crampton 1955-3-28 2347 Yolo About 4.5 to 5 miles southeast of Woodland. Junction County roads 103 and 25. Comment
  CAS-BOT-BC17437  Athysanus pusillus Alice Eastwood 1927-3-28 14208 Yolo Winters. Comment
  UCD37593  Athysanus pusillus Beecher Crampton 1955-4-14 2493 Yolo Yolo County, 2 miles northwest of Dunnigan. Comment
  UCD19082  Atriplex A. M. Shapiro 1983-8-23 s.n. Yolo city of Davis, Old Davis rd. ca. 1/8 mi. south of I-80 interchange, roadside. Comment
  UCD38949  Atriplex Beecher Crampton 1961-9-19 5980 Yolo 1/2 mile north city limits of Davis, Anderson Road. Comment
  UCD97232  Atriplex argentea var. expansa Rimo Bacigalupi; L. R. Heckard, C. L. Custer 1965-10-4 9121 Yolo along Kentucky Ave. (Road 20), 0.25 mile north of Sewage Disposal Plant. 1 and 1/8 miles east northeast of Woodland. 10 Comment
  CDA23226  Atriplex argentea var. mohavensis G. D. Barbe 1976-10-2 2226 Yolo West side of Jefferson Boulevard, 8 km south of barge canal, West Sacramento. 0 Comment
  JEPS41113  Atriplex argentea var. mohavensis Rimo Bacigalupi, L. R. Heckard, and C. L. Custer 1965-10-4 9121 Yolo along Kentucky Ave. (Road 20) ca 1/4 mi n Sewage Disposal Plant (1 1/8 mi ene of Woodland); ene of Woodland, n of Sewage Disposal Plant 10 Comment
  JEPS100803  Atriplex depressa Dean W. Taylor 1993-7-9 13850 Yolo 3 air mi from Woodland; Central Valley 10 Comment
  JEPS41116  Atriplex depressa Rimo Bacigalupi, L. R. Heckard, and C. L. Custer 1965-10-4 9125 Yolo 1 1/8 mi ene Woodland (along Kentucky Ave. (Road 20) ca 1/4 mi n of Sewage Disposal Plant); ne of Woodland 10 Comment
  JEPS90595  Atriplex depressa Dean W. Taylor 1993-8-30 14059 Yolo ca. 100 m se <junction of> Road 102 <and> Rd. 25 (ca. 6 mi n of Davis); Sacramento Valley Comment
  RSA612722  Atriplex depressa H. C. Stutz 1995-8-7 9795 Yolo SE corner of Road 25 and 103 Comment
  UCD38285  Atriplex depressa B. Crampton 1952-10-24 873 Yolo Alkali flats, 1.5 miles north of Davis. Comment
  RSA97530  Atriplex depressa Beecher Crampton 1952-10-24 873 Yolo 1.5 miles north of Davis. Comment
  UCD44953  Atriplex hortensis Jean V. Shepard 2004-7-25 776 Yolo City of Davis, yard 1800 block Myrtle Place. Comment
  UCD44966  Atriplex hortensis Jean V. Shepard 2004-8-25 778 Yolo City of Davis, yard 1800 block Myrtle Place. Comment
  CHSC106022  Atriplex joaquinana Erica Smith 2008-4-18 12 Yolo City of Woodland Alkali Grassland Preserve managed by Center for Natural Land Management at the intersection of County Roads 103 and 25. South side of County Road 25. Throughout alkali grassland. In uplands near wet areas growing with Distichlis. UTM: 10S, 611779, 4278233. 4 Comment
  RSA612728  Atriplex joaquinana H. C. Stutz 1991-5-30 95515 Yolo Woodland Comment
  SEINET271590  Atriplex joaquinana H. C. Stutz 1990-8-15 95329 Yolo 3.5 mi. S-SE of Woodland Jct. of Rd. 25 and Rd. 103. Comment
  SEINET4135115  Atriplex joaquinana Erica Smith 2008-4-18 12 Yolo City of Woodland Alkali Grassland Preserve managed by Center for Natural Land Management at the intersection of County Roads 103 and 25. South side of County Road 25.; 0 5 Comment
  SEINET4135118  Atriplex joaquinana Erica Smith 2007-7-12 9 Yolo City of Woodland Alkali Grassland Preserve managed by Center for Natural Land Management at the intersection of County Roads 103 and 25. South side of County Road 25 throughout alkali grassland.; 0 5 Comment
  UCD62895  Atriplex joaquinana Erica Smith 2007-7-12 10 Yolo City of Woodland Alkali Grassland Preserve managed by Center for Natural Land Management at the intersection of County Roads 103 and 25. South side of County Road 25 4 Comment
  UCD63224  Atriplex joaquinana Ellen Dean; K. Mawdsley 2008-4-16 4802 Yolo southeast side of Woodland, Woodland Regional Park, just south of the intersection of County Roads 102 and 25, east side of road 102. Parking area between rodeo corrals and area just south of reservoir. 0 Comment
  UCD81054  Atriplex joaquinana Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5590 Yolo city of Woodland. Woodland Regional Park. East side of County Road 102, just south of County Road 25. Old rodeo area with bare areas where buildings used to be. 9 Comment
  UCD35224  Atriplex lentiformis Beecher Crampton 1954-10-24 2298 Yolo Yolo county; UC Davis campus, slopes of old channel of Putah Creek. Comment
  CAS-BOT-BC168433  Atriplex parishii var. depressa H. C. Stutz 1995-8-7 9799 Yolo SE corner of Rd 25 and 103 Comment
  SEINET4135669  Atriplex parishii var. depressa Howard C. Stutz 1995-8-7 9799 Yolo Woodland, SE corner of Road 25 and 103.; 0 Comment
  JEPS41107  Atriplex prostrata Rimo Bacigalupi, L. R. Heckard, and C. L. Custer 1965-10-4 9127 Yolo along n-s lateral (rd.) 0.9 mi n of Hebron siding (Sacramento Northern Railway) 1.9 mi ene Woodland (flanking waste water dispoal areas on bothsides road); ne of Woodland, n of Hebron siding 10 Comment
  UCD143966  Atriplex prostrata Ellen Dean; T. Starbuck 2013-10-26 8014 a Yolo North side of Putah Creek, west of the Yolo Bypass at Los Rios Farms. In Putah Creek Vegetation Survey Plot LRF 4E. 6 Comment
  UCD97617  Atriplex prostrata P. N. Annand 1929-10-19 2078 Yolo west end of Yolo Causeway. Comment
  SEINET5641784  Atriplex rosea Ellen Dean, K. Anderson 2009-7-13 5781 Yolo City of Woodland. Woodland Regional Park. East side of County Road 102, just S of County Road 25. Old rodeo area with bare areas where buildings used to be.; 0 9 Comment
  UCD81053  Atriplex rosea Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5589 Yolo city of Woodland. Woodland Regional Park. East side of County Road 102, just south of County Road 25. Old rodeo area with bare areas where buildings used to be. 9 Comment
  UCD81882  Atriplex rosea Ellen Dean; K. Anderson and ethnobotany foraging group 2009-7-13 5781 Yolo city of Woodland. Woodland Regional Park. East side of County Road 102, just south of County Road 25. Old rodeo area with bare areas where buildings used to be. 9 Comment
  UCD97708  Atriplex semibaccata P. B. Kennedy 1914-7-1 s.n. Yolo University Farm, Davis. Comment
  UCD150373  Atriplex serenana var. serenana A. M. Shapiro 2014-8-30 s.n. Yolo Winters. N end of old Railroad Ave. bridge over Putah Creek. Comment
  HSC9005  Avena barbata J. V. Lenz 1947-5-8 Yolo Rumsey Comment
  UCD14599  Avena barbata Wendy Weber 1989-6-10 23 Yolo California, Yolo Co.; Davis, at the east end of Loyola Road, 1/4 mile north along a drainage ditch, near 'Anderson Ranch'; 13 Comment
  UCD37835  Avena barbata Beecher Crampton 1962-4-18 6225 Yolo Yolo County, city of Davis, Southern Pacific Railroad Station. Comment
  UCD56146  Avena barbata Beecher Crampton 1962-4-18 6225 Yolo Davis. Southern Pacific Railroad Station. Comment
  UCD56206  Avena barbata R. Koch 1996-6-1 13 Yolo Davis. Along bike path in West Davis. 15 Comment
  SEINET7297397 Image available Avena barbata Beecher Crampton 1956-1 3236 Yolo Grassy bank along county road 29, 3 miles northwest Davis Comment
  CAS-BOT-BC145893  Avena fatua W. D. Hamilton 1946-4-19 s.n. Yolo 4 miles north of Davis. Comment
  RSA699765  Avena fatua Keith E. Hoffmaster 1946-4-15 s.n. Yolo Davis. Comment
  UCD15598  Avena fatua Lisa Montany 1985-5-4 12 Yolo Stevenson's Bridge (Stevenson's Road) over Putah Creek. 27 Comment
  UCD34127  Avena fatua Beecher Crampton 1976-12-30 9448 Yolo Yolo County, Davis, Mace blvd. offramp from Hwy. 80. Comment
  UCD41020  Avena fatua Carol W. Witham 2003-4-11 950 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD59346  Avena fatua Ellen Dean; Kate Mawdsley 2007-5-11 3770 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Central part of ranch. 539 Comment
  SEINET3919689  Avena fatua David Charlton 1990-3-3 4163 Yolo Abandoned agricultural field at the Davis Motel just north of the UC Davis Campus and adjacent to Hwy. 80.; 0 15 Comment
  SACT000421  Avena sativa 1925-5-9 Yolo Comment
  CHSC24883  Azolla filiculoides T. L. Reynolds 1976-4-17 51 Yolo In Putah Creek ca. 50 yds s of Road 128 and ca. 10 yds nw of Low Water Bridge, 4.5 mi sw of Winters. 60 Comment
  UCD136016  Azolla filiculoides W. R. Russell; C. B. Heiser Jr. 1947-5-3 1908 f Yolo Under Yolo Causeway. Comment
  UCD81539  Baccharis douglasii W. W. Robbins; W. D. Norton 1928-8-1 1425 Yolo near Clarksburg. Comment
  UCD33998  Baccharis glutinosa Beecher Crampton 1975-8-22 9245 Yolo Yolo County, county road 104 1 1/2 miles north of county road 28. Comment
  CAS-BOT-BC98619  Baccharis pilularis Roxana Stinchfield 1916-6-26 353 Yolo Fotthills wash of Dunnigan near Buckeye Creek Comment
  CAS-BOT-BC98216  Baccharis salicifolia Roxana Stinchfield 1916-6-25 340 Yolo Mouth of Buckeye Cr. in creek gravel. Comment
  SBBG83448  Baccharis salicifolia D. Reed 1975-5-10 34 Yolo Putah Crk, ca. 0.7 mi W of jct of St Hwy 128 and County Rd 86 91 Comment
  UCD62800  Baccharis salicifolia Susan Zhang; Plant Biology 102 students 2008-5-3 7 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. Along Bray Creek. 103 Comment
  UCD151006  Baccharis salicifolia subsp. salicifolia D. S. Park 2010-5-14 86 Yolo UCD Arboretum. 14 Comment
  UCD34089  Baccharis salicifolia subsp. salicifolia Beecher Crampton 1976-4-17 9379 Yolo UC Davis campus, south of university airport along Putah Creek. Comment
  UC1259001  Bacopa rotundifolia J. L. Strother 1976-6-24 1244 Yolo ca 1.5 mi n Knights Landing (on Route 113) Comment
  UCD97584  Bassia hyssopifolia R. N. Raynor 1941-8-11 s.n. Yolo near Clarksburg. Comment
  UC1872560  Bellis perennis Jean Shepard 2007-3-4 806 Yolo City of Davis, Slide Hill Park, south side of Temple Drive at Myrtle Place. Comment
  UCD56452  Bellis perennis J. Shepard 2007-3-4 806 Yolo City of Davis, Slide Hill Park, south side of Temple Drive at Myrtle Place. 15 Comment
  UCD35744  Bellis perennis Beecher Crampton 1953-3-29 1037 Yolo Davis. Comment
  SEINET10732931  Beta vulgaris Stephanie Frischie 2000-10-7 Frischie 104 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET10732932  Beta vulgaris Stephanie Frischie 2000-10-14 Frischie 145 Yolo Davis Farmers' Market, Davis, CA. Comment
  UCD129596  Blennosperma nanum J. M. Tucker 1951-2-22 2032 Yolo roadside around 1.5 miles north of Davis. Comment
  JEPS114055  Boehmeria cylindrica Robert E. Preston 2007-10-4 2581 Yolo 2.5 mi S of Clarksburg, along Sacramento River, ca. 200 m S of the boat ramp. Comment
  SEINET10764140  Boehmeria cylindrica George F. Hrusa, C. Dogwin; E. Dogwin 2007-10-18 Hrusa 17081 Yolo Boat launch area on W side of Sacramento River approx. 1 mi. N of Hood. 3 Comment
  UCD80883  Boehmeria cylindrica Robert E. Preston 2007-10-4 2581 Yolo 2.5 miles S of Clarksburg, along Sacramento River, ca. 200 m S of the boat ramp. 1 Comment
  RSA167153  Boisduvalia glabella June McCaskill, Katherine Onaga 1963-6-26 665 Yolo South side of 2nd Street, 2 miles east of its junction with L Street, Davis Comment
  SEINET240472  Boissiera squarrosa Beecher Crampton 1964-5-4 T.O. 3505 Yolo UC Davis agronomy experimental area, plant introduction nursery, row J-53 Comment
  SEINET3920068  Boissiera squarrosa Beecher Crampton 1964-5-4 3505 Yolo Uc Davis agronomy experimental area, plant introduction nursery, row J-53; planted from seed obtained from Germany, Rostock, Botanischer Garten der Universitat, seed index number #59.; 0 Comment
  CAS-BOT-BC28210  Bolboschoenus fluviatilis Roxana Judkins [later Mrs. Ferris q.v.] Stinchfield 1916-6-11 s.n. Yolo Tule at mouth of Buckeye Cr. Comment
  SEINET8574352 Image available Bolboschoenus fluviatilis C. F. Ehling 1951-5-19 46 Yolo Yolo bypass, 7 miles east of Davis 3 Comment
  UCD139995  Bolboschoenus fluviatilis C. F. Ehlig 1951-5-19 46 Yolo 7 miles east of Davis. Comment
  UCD38960  Bolboschoenus fluviatilis Beecher Crampton 1961-8-11 5967 Yolo UC Davis campus, southeast of the airport along Putah Creek. Comment
  UCD142977  Bolboschoenus glaucus Ellen Dean; C. Robbins 2013-8-28 7995 Yolo Eastern edge of the City of Woodland. Property owned by the City of Woodland. North of Gibson Road extension on E side of Pole Line Rd. (County Rd. 102); north of existing sewer plant in an area that once had evaporation ponds. Area was recently used as borrow pit for the raised soil slab that has been prepared for the Woodland- Davis water treatment plant construction project (for clean drinking water.) Borrow pit is just south of that slab. 0 Comment
  UCD140013  Bolboschoenus maritimus Rimo Bacigalupi; L. R. Heckard, C. L. Custer 1965-10-4 9128 Yolo Along north-south lateral (rd.) 0.9 mile north of Hebron siding (Sacramento Northern Railway). 1.9 miles east of Woodland flanking waste water disposal areas on both sides of road. 10 Comment
  SEINET3915169  Bolboschoenus maritimus subsp. paludosus R. J. Planck 1963-5-15 41 Yolo On G Street, 2 miles north of 11th Street, Davis.; 0 15 Comment
  UCD20183  Boussingaultia Cynthia Cheney 1969-8-22 s.n. Yolo Growing on south side of house at 411 University Avenue, Davis. Comment
  UCD56856  Bouteloua curtipendula Beecher Crampton 1961-10-25 6039 Yolo 2.5 miles south of Woodland. Along County Road 98. Comment
  UCD57094  Brachypodium distachyon Beecher Crampton 1961-5-5 s.n. Yolo Davis Campus. Agronomy experimental areas. Comment
  UCD81773  Brachypodium distachyon Ellen Dean 2009-4-26 5473 Yolo Bobcat Ranch lands to the north of Hwy 128, just east of Monticello Dam. Bray Canyon. West side of Bray Creek. 76 Comment
  UCD114738  Brassica nigra A. S. Crafts 1932-6-6 2 Yolo 1 mi. e. of Davis. Comment
  UCD114812  Brassica rapa P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co. Clarksburg -- Sacramento River. Comment
  HSC6590  Brassica rapa M. Dole 1963-4-10 28 Yolo 0.5 mi. S of Hwy. 40 on Rd. 104 Comment
  UCD33166  Bromus Beecher Crampton 1967-5-1 7844 Yolo Yolo County, Davis, B st. between 3rd. and 4th. streets. Comment
  UCD34471  Bromus Beecher Crampton 1985-4-17 9915 Yolo Yolo County, Davis, 3rd. street near A street and University ave. Comment
  SEINET240102  Bromus arenarius Beecher Crampton 1960-5-26 T.O. 2509 Yolo UC Davis agronomy experimental area, plant introduction nursery. Comment
  UCD36211  Bromus arizonicus Beecher Crampton 1953-4-19 1114 Yolo Yolo County, city of Davis. Comment
  UCD57699  Bromus arizonicus Beecher Crampton 1953-5-4 1206 Yolo Davis. Comment
  UCR152411  Bromus arizonicus Beecher Crampton 1956-4-19 3270 Yolo Sacramento Valley, city of Davis 16 Comment
  SEINET3921447  Bromus arizonicus Beecher Crampton 1956-3-30 3238 Yolo Citiy of davis, Southern Pacific Railroad Station.; 0 Comment
  UCD73728  Bromus caroli-henrici Ayzik Solomeshch 2004-5-23 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  CAS-BOT-BC155808  Bromus catharticus Clarence R. Quick 1970-5-10 70 -05 Yolo Merritt Island, near Clarksburg. Levees and gardens of Nettie M. Pylman. Comment
  SACT000487  Bromus catharticus Brian Brown 1975-12-27 Yolo dry habitat Comment
  UCD58322  Bromus catharticus Clarence R. Quick 1969-5-17 69 03 Yolo Merritt Island. Near junction of country roads #140 and 142. 3.5 miles S of Clarksburg. Comment
  UCD58341  Bromus catharticus E. G. Cakin 1947-4-29 s.n. Yolo Davis. Comment
  UCD58405  Bromus catharticus Carl Schoner 1975-1-13 s.n. Yolo Esparto area. Comment
  UCD58413  Bromus catharticus P. Stern 1988-5-19 11 Yolo Davis. Between the Domes and Russell Park complex just W of UCD campus. Comment
  CAS-BOT-BC155608  Bromus diandrus Beecher Crampton 1956-3-28 3235 Yolo Along Putah Creek, Davis, Yolo-Solano county border. Comment
  CDA30901  Bromus diandrus M. Beyers 2010-4-3 340 Yolo Along Highway 128, adjacent to Putah Creek Public Fishing Access #2. Comment
  RSA562683  Bromus diandrus D. Charlton 1990-3-3 4174 Yolo Southwest of University of California, Davis, frontage road off Highway 80. 15 Comment
  UCD147281  Bromus diandrus Carol W. Witham 2003-4-7 903 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD34858  Bromus diandrus Beecher Crampton 1964-4-7 6917 Yolo Yolo County, Davis, Southern Pacific Railroad. Comment
  UCD56713  Bromus diandrus Ellen Dean; M. Bibbo 2007-3-23 3406 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SW portion of ranch. 649 Comment
  UCD59465  Bromus diandrus Beecher Crampton 1957-11-11 4648 Yolo East of West Davis Elementary School, Davis. Comment
  UCD59501  Bromus diandrus Beecher Crampton 1965-5-4 7313 Yolo Davis. Comment
  UCR119173  Bromus diandrus Beecher Crampton 1967-4-30 7843 Yolo Sacramento Valley, Davis 15 Comment
  UCR207826  Bromus diandrus George K. Helmkamp, E. A. Helmkamp 2009-3-24 14444 Yolo Inner North Coast Ranges, along CA-128, 4.4 miles west of Winters and beside Putah Creek 43 Comment
  SEINET3922306  Bromus diandrus David Charlton 1990-3-3 4172 Yolo Abandoned agricultural field at the Davis Motel just north of the UC Davis Campus and adjacent to Hwy. 80.; 0 15 Comment
  SEINET3922490  Bromus haenkeanus Beecher Crampton 1955-3-24 2341 Yolo City of Davis, University of California campus, Horticulture Lath House.; 0 Comment
  CAS-BOT-BC155289  Bromus hordeaceus A. A. Beetle 1942-6-1 3731 Yolo Davis. Comment
  HSC101406  Bromus hordeaceus J. P. Smith 2011-4-27 13141 Yolo Along State Route 16 at its junction with County Road 8 93 Comment
  RSA697039  Bromus hordeaceus Keith E. Hoffmaster 1946-4-19 1068 Yolo Davis Comment
  UCD37382  Bromus hordeaceus Beecher Crampton 1960-4-26 5488 Yolo City of Davis. Comment
  UCD58620  Bromus hordeaceus Beecher Crampton 1956-5-10 3364 Yolo Putah Creek. In the UC-Davis arboretum. Comment
  UCD58672  Bromus hordeaceus Anne Sutherland 1963-5-5 18 Yolo State Highway 128. 5 miles west of Winters. Comment
  UCD58798  Bromus hordeaceus B. A. Madson 1925-4-20 s.n. Yolo Davis. Vacant lot. Comment
  UCD58809  Bromus hordeaceus Beecher Crampton 1956-5-10 3364 Yolo Yolo County, city of Davis, University of California campus, arboretum, old Putah Creek. Comment
  UCR151584  Bromus hordeaceus Beecher Crampton 1960-4-26 5488 Yolo Sacramento Valley, city of Davis, along railroad 16 Comment
  SEINET242020 Image available Bromus hordeaceus subsp. molliformis Beecher Crampton 1962-5-5 T.O. 2799 Yolo CULTIVATED; UC Davis agronomy experimental area, plant introduction nursery, row G-31 Comment
  UCD36905  Bromus mollis Beecher Crampton 1956-5-10 3364 Yolo Yolo County, city of Davis, University of California campus, arboretum, old Putah Creek. Comment
  SACT000585  Bromus mollis 1925-4-9 Yolo Comment
  SEINET219758 Image available Bromus rubens F. P. Guerrero 1961-4-25 14 Yolo Near Monticello Dam State Highway 128 ca. 15 miles west of Winters. 183 Comment
  UCD59616  Bromus rubens Beecher Crampton 1957-5-14 4022 Yolo 1.3 miles west of Zamora. Comment
  UCD81438  Bromus rubens M. Wiesendanger 1927-5-4 s.n. Yolo Putah Canyon. Comment
  UCD59665  Bromus stamineus Beecher Crampton 1958-5-27 4835 Yolo Along pathway, Hunt Hall, UC Davis Campus. Comment
  RSA733913  Bromus sterilis Beecher Crampton 1956-3-19 3233 Yolo Davis, along railroad. Comment
  UCR152294  Bromus sterilis Beecher Crampton 1956-4-2 3239 Yolo Sacramento Valley, city of Davis, Southern Pacific Railroad Triangle 16 Comment
  SEINET240474 Image available Bromus trinii Beecher Crampton 1962-4-13 T.O. 2483 Yolo UC Davis agronomy experimental area, plant introduction nursery. Comment
  SEINET242021 Image available Bromus trinii Beecher Crampton 1961-9-30 T.O. 2483 Yolo UC Davis agronomy experimental area, plant introduction nursery, row 20 Comment
  CAS-BOT-BC438635  Calandrinia ciliata Clarence R. Quick 1971-4-20 71 -33 Yolo Pylman-Quick garden, Merritt Island, near Clarksburg Comment
  UCD146827  Calandrinia ciliata Carol W. Witham 2003-4-7 890 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD21350  Calandrinia ciliata J. Shepard 2001-2-16 362 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. North of parking lot on the north side, in archery range. 12 Comment
  HSC17636  Calandrinia ciliata M. Dole 1963-4-7 10 Yolo 3 mi. N of Hwy. 16 on Elkhorn Rd. Comment
  UCD100252  Calandrinia ciliata Ogden C. Riddle 1942-4-7 57 Yolo Agronomy farm, Davis. Comment
  UCD80826  Callitriche marginata Ellen Dean 2009-3-22 5284 Yolo city of Woodland. Mavis Henson Field property on the east side of county road 102, just south of county road 25. Property owned by city of Woodland. Field near center of property previously used for parking for rodeo shows. NE corner of field. 9 Comment
  SEINET3863098 Image available Callitris glauca A. T. Leiser 1986-9-30 s.n. Yolo Ucd (UC Davis) D-2 Row 7 Plant 1.; 0 Comment
  CDA12109  Calochortus amabilis G. F. Hrusa 1989-4-16 5924 Yolo North Coast Biodiversity Arena; Hwy 16 and Cache Creek immed. N of Capay Valley. 76 Comment
  UCD39217  Calochortus amabilis Beecher Crampton 1953-4-7 1060 Yolo Capay Valley. Comment
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Feb 17 2006
  UCD139485  Calochortus amabilis M. Wiesendanger 1927-5-4 692 Yolo Monticello - Napa Road. Comment
  UCD73702  Calochortus luteus Ayzik Solomeshch 2004-4-28 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  SEINET8495396 Image available Calochortus pulchellus C. W. Rottschalk 1954-4-28 41 Yolo South slope of Putah Canyon; beside State Highway 28, 10 miles west of Winters. Comment
  CHSC79124  Calycadenia oppositifolia Beecher Crampton 1954-5-6 1827 Yolo Foothill area 3 miles southwest of Winters. Comment
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Nov 15 2020
  CAS-BOT-BC270869  Calycadenia pauciflora Roxana Stichfield 1916-7-1 368 Yolo [D'Ayly?] Sheep Ranch, above Buckeye Creek Comment
  UCD164514  Calycadenia pauciflora Craig D. Thomsen 2006-8-16 2702 Yolo Camp Haswell County Park. 304 Comment
  CAS-BOT-BC270867  Calycadenia pauciflora Gerald D. Carr 1971-9-15 659 Yolo 3.0 miles E of Lake County line on Rieff - Rayhouse Road, NE Roadside slope Comment
  UCD129899  Calycadenia pauciflora Gerald D. Carr 1971-9-16 661 Yolo 4.2 miles southwest of Guinda on Road 53. 495 Comment
  UCD137925  Calycanthus occidentalis M. Wiesendanger 1927-5-4 644 Yolo Putah Canyon. Comment
  UCD39205  Calycanthus occidentalis Beecher Crampton 1953-5-19 1310 Yolo 9 miles west of Winters, along canyon slopes of Putah Creek. Comment
  UCD100313  Calyptridium quadripetalum Mark A. Hershkovitz ca. 10 Jun 1991 Yolo Yolo (?) Co.: nr. Lake and Napa Cos.: Along Rayhouse Rd. (becomes Reiff Rd.) e. of descent to Knoxville-Berryessa Rd. Comment
  HSC62856  Calystegia purpurata subsp. purpurata J. M. DiTomaso 1979-5-12 988 Yolo Next to Putah Creek below Monticello Dam 91 Comment
  UCD62882  Camissonia contorta Christopher Michael Bronny 2008-4-4 s.n. Yolo West Sacramento, Land-side toe of levee on South River Road. River Mile 57.2. 6 Comment
  UCD103449  Camissoniopsis hirtella Collector Unknown 1932-5-1 s.n. Yolo Putah Creek. Comment
  SEINET800705  Capsella bursa-pastoris Anne Sutherl 1963-1 2 Yolo University of California, Davis 15 Comment
  UCD114156  Capsella bursa-pastoris J. M. Tucker 1951-2-14 2024 Yolo south of Agricultural Engineering Machinery Yard, University of California, Davis campus, Davis. Comment
  UCD114160  Capsella bursa-pastoris M. R. Wanzer 1948-5-15 22 Yolo just south of judging pavilion, University of California, Davis campus. Comment
  UCD41014  Capsella bursa-pastoris Carol W. Witham 2003-4-11 944 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD81454  Capsella bursa-pastoris M. Wiesendanger 1927-4-29 611 Yolo Woodland. Comment
  SEINET11241619  Cardamine B. Crampton 1998-5-18 10361 Yolo Ca 2.5 miles N of Davis, along County Road 29, just W of its junction with County Road 101A. Comment
  UCR179182  Cardamine hirsuta Tom Lanini 2002-4-3 s.n. Yolo Sacramento Valley, UC Davis greenhouse 18 Comment
  UCD168433  Cardamine oligosperma Ellen Dean 2017-3-15 9255 Yolo Audubon Bobcat Ranch, lands north of Hwy 128, just east of Monticello Dam. Bray Canyon and vicinity on the western side of ranch. Ranch burned once each year in 2014, 2015, 2016. 2017 has been a high rainfall year. Lower reaches of Bray Canyon on west side of creek. 57 Comment
  UCD58078  Cardamine oligosperma Ellen Dean; K. Mawdsley 2007-4-6 3617 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. Along Loop Road. 471 Comment
  UCD114536  Cardamine oligosperma Rolf Y. Berg 1964-3-14 s.n. Yolo Cache Creek Canyon, along State Highway 16, 2-5 miles northwest of Rumsey. Comment
  JEPS53328  Cardaria chalepensis M. K. Bellue 1933-4-21 Yolo Tiger Inn Comment
  UCD62872  Carduus pycnocephalus Chris Mosser; Plant Biology 102 students 2008-5-3 2 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. West side of Bray Creek. 100 Comment
  UCD85576  Carduus pycnocephalus Alan P. Godlewski 1974-5-5 s.n. Yolo Growing near Putah Creek approximately 5 miles West of Winters. Comment
  UCD135904  Carduus pycnocephalus subsp. pycnocephalus T. C. Fuller 1964-5-14 11958 Yolo North side of River Rd., e. limits of Woodland. Comment
  RSA797294  Carex Keith E. Hoffmaster 1939-4-26 s.n. Yolo Putah Canyon, Coast Ranges. Comment
  HSC79007  Carex barbarae A. C. Sanders 1984-6-18 5066 Yolo Sacramento Bypass near Bryte, just NW of Sacramento, bed of the bypass 1 mi. W of the Sacramento River 5 Comment
  UCR37039  Carex barbarae A. C. Sanders 1984-6-18 5066 Yolo Sacramento Valley, Sacramento Bypass near Bryte, just NW of Sacramento, bed of the bypass 1 mi west of the Sacramento River 5 Comment
  CAS-BOT-BC19388  Carex barbarae Charles Piper Smith 1914-6-11 2843 Yolo Cache Creek. Comment
  UCR257982  Carex divulsa subsp. divulsa Jean V. Shepard 2012-4-30 867 Yolo City of Davis, yard in 1800 block Myrtle Place 15 Comment
  HSC79004  Carex praegracilis A. C. Sanders 1984-6-18 5067 Yolo Sacramento Bypass near Bryte, just NW of Sacramento, bed of the bypass 1 mi. W of the Sacramento River 5 Comment
  UCR37037  Carex praegracilis A. C. Sanders 1984-6-18 5067 Yolo Sacramento Valley, Sacramento Bypass near Bryte, just NW of Sacramento, bed of the bypass 1 mi west of the Sacramento River 5 Comment
  UCD140750  Carex praegracilis Beecher Crampton 1953-4-23 1133 Yolo 4 miles west of city of Davis. Comment
  UCD140774  Carex praegracilis Unknown Collector 1925-3-12 1762 Yolo Davis. Comment
  CAS-BOT-BC117397  Carex senta Clarence Roy Quick 1972-7-22 72 -14 Yolo On E band of E levee of Merritt Island, at jtn of road 142, ca 20 mi SSW of Sacramento, Comment
  CAS-BOT-BC117396  Carex senta Anne Sutherland 1963-3-8 11 Yolo Putah creek canyon, Hwy 128 near Recreation Beach on creek side of road. Comment
  CDA19175  Carthamus creticus J. King 2001-6-5 PDR 1143171 Yolo Sacramento Valley; County Rd. 54, Guinda. 0 Comment
  UCD142935  Carya illinoinensis Ellen Dean; T. Starbuck 2013-10-5 8003 Yolo UC Davis Restoria site on north side of Putah Creek between Old Davis Road and the railroad overpass. Putah Creek Vegetation Survey Plot DRR #2A 15 Comment
  UCD143963  Carya illinoinensis Ellen Dean; A. Lal 2013-7-16 7823 Yolo North side of Putah Creek at town of Winters. Property of M. Barbour, south of walnut orchard at end of Liwai Village Court near confluence of Putah Creek and Dry Creek. Putah Creek vegetation Survey areas DCC 1 and 2 at Dry Creek confluence site. 39 Comment
  CDA12107  Castilleja affinis subsp. affinis G. F. Hrusa 1989-4-16 5923 Yolo North Coast Biodiversity Arena; Hwy 16 and Cache Creek immed. N of Capay Valley. 76 Comment
  JEPS43522  Castilleja applegatei subsp. martinii Richard H. Ramsey 1961-3-18 11 Yolo Cache Creek Canyon, 3 miles northwest of Rumsey on Hwy. 16 Comment
  JEPS5856  Castilleja applegatei subsp. martinii R. W. Cleveland 1951-2-23 8 Yolo 3.5 mi nw Rumsey; Cache Creek Canyon Comment
  JEPS66537  Castilleja applegatei subsp. martinii John F. Emmel 1971-4-4 338 Yolo nne of Monticello Dam; Thompson Canyon 76 Comment
  JEPS86178  Castilleja applegatei subsp. martinii L. R. Heckard 1988-4-2 6672 Yolo ca 3 mi nw Rumsey; Cache Creek Canyon 250 Comment
  UCD122273  Castilleja applegatei subsp. martinii J. Buck 1996-5-12 8 Yolo Below Monticello Dam, off of Highway 128. 30 Comment
  SFV8661  Castilleja applegatei subsp. martinii M. Ivey 1973-4-24 27 Yolo Putah Parklands, State Highway 128. West facing slope. Comment
  CDA36936  Castilleja attenuata CDFA Staff 1998-4-22 s.n. Yolo Rominger Prop., north of County Road 19, east of County Road 92C, west of County Road 94B. 0 Comment
  UCD56755  Castilleja attenuata Ellen Dean; M. Bibbo 2007-3-23 3447 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Western/Central portion of ranch near unimproved access loop road. 624 Comment
  SEINET13767993  Castilleja densiflora Schank 1959-3-28 s.n. Yolo Above the Monticello Dam, ca 4 miles W of Winters. 305 Comment
  UCD14912  Castilleja exserta John Wassen 1977-4-17 9 Yolo in a north-facing side canyon along Highway 128, 3.7 miles west of the junction with County Road 86. Comment
  HSC90179  Castilleja foliolosa Andrew Enberg, Brad Penkala, Dan Scofield 1990-4-23 Yolo Hwy. 16, approx. 2 mi. N of Rumsey 213 Comment
  UCD122490  Castilleja foliolosa Joseph M. DiTomaso 1976-4-9 395 Yolo Below Monticello Dam at Lake Berryessa, south facing slope above Putah Creek. 134 Comment
  UCD168990  Castilleja foliolosa Ellen Dean; C. Thomsen and M. Hoshovsky 2017-3-29 9293 Yolo Audubon Bobcat Ranch, west side of ranch, north of Hwy 128, near western property boundary. Top of rock outcrops above Hwy 128 and Bray Canyon north of transmission power lines tower. Area has burned three times in the last three years. 241 Comment
  HSC20873  Castilleja lineariloba M. Dole 1963-4-9 19 Yolo 2 mi. W of Zamora on Rd. 15 Comment
  UCD146933  Castilleja rubicundula subsp. lithospermoides Carol W. Witham 2003-4-11 953 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD160542  Caulanthus lasiophyllus Ellen Dean; Craig Thomsen 2015-3-21 8596 Yolo Audubon Bobcat Ranch. Western part of ranch, just north of Hwy 128 and N of Putah Creek. Area E of Bray Canyon at base of large escarpment labeled 'spring' on topo maps. Burned in 2014. 220 Comment
  UCD55505  Caulanthus lasiophyllus J. Shepard 2002-4-6 503 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east 200 yd. along unpaved entrance road. On south side of road. 12 Comment
  UCD114681  Caulanthus lasiophyllus Robert E. Preston 1984-5-4 439 Yolo Cold Canyon, ca. 0.4 mile S of Highway 128. 121 Comment
  UCD33157  Caulanthus lasiophyllus Beecher Crampton 1967-4-20 7833 Yolo 1 mile NW of Davis, jct. of Road 31 and Hwy. 99. Comment
  UCD20813  Ceanothus cuneatus N. Nicola 2001-4-4 029 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  RSA0054820  Ceanothus cuneatus Lois Weston 1942-4-24 1168 Yolo Putah can. Comment
  UCD160170  Ceanothus cuneatus var. cuneatus Laura Losmozos 2015-4-12 3 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. Along undeveloped road near stock pond. 202 Comment
  UCD34944  Ceanothus griseus var. horizontalis Beecher Crampton 1992-5-27 s.n. Yolo Yolo County, Davis. Comment
  SBBG50600  Ceanothus oliganthus var. sorediatus R. D. Deragisch 1969-4-20 6 Yolo 5St, Hwy 16, 5.3 mi S of Colusa County line Comment
  RSA273226  Ceanothus thyrsiflorus Glenn A. Gorelick 1966-2-12 s.n. Yolo Yolo County: Arboretum, University of Califronia, Davis, along Putah Creek, Davis Comment
  UCD57820  Cenchrus longispinus Beecher Crampton 1970-8-3 8644 Yolo State Hwy. 128, 7 miles west of Winters, Putah Creek Canyon. Comment
  UC735718  Centaurea calcitrapa Charles B. Heiser Jr. 1947-6-1 1923 Yolo Davis Comment
  CDA7093  Centaurea calcitrapa L. Moore 1953-4-1 Yolo 1 mile east of Guinda. 0 Comment
  CDA7094  Centaurea calcitrapa A. S. Crafts 1932-6-6 Yolo 1 mile east of Davis. 0 Comment
  CDA7202  Centaurea calcitrapa G. D. Barbe 1984-6-28 4175 Yolo Eastern shore of Lake Berryessa, west of Running Deer Ranch near lake shore; 2.5 miles south of Berryessa-Knoxville Road. 0 Comment
  UCD130001  Centaurea calcitrapa Beecher Crampton 1961-2-20 s.n. Yolo 3.5 miles north of Davis, around barn. Comment
  UCD130013  Centaurea calcitrapa J. Young 1999-7-29 PDR 122623 1 Yolo Winters. Comment
  UCD81560  Centaurea calcitrapa W. W. Robbins; W. D. Norton 1927-10-1 s.n. Yolo West of Davis. Comment
  UCD18492  Centaurea cyanus C. P. Pease 1995-6-2 s.n. Yolo city of Davis, east side of UCD campus, Experimental College gardens. 16 Comment
  RSA44385  Centaurea repens C. B. Heiser Jr. 1947-6-10 1934 Yolo Near midget auto tracks, West Sacramento Comment
  CAS-BOT-BC284495  Centaurea solstitialis M. P. Bellue 1931-9-4 1 Yolo Near Davis Comment
  UCD130076  Centaurea solstitialis June McCaskill 1961-8-14 632 Yolo east side of G Street where 7th Street intersects it, Davis. 15 Comment
  UCD41141  Centaurium C. Holn 2002-5-24 222 Yolo Eastern foothills of inner north coast range, Capay Valley. Just north of Brooks. Comment
  CAS-BOT-BC279103  Centromadia parryi subsp. rudis David D. Keck 1932-7-7 1731 Yolo About 6 mi. S. of Woodland, (3 mi. N. of intersection with Sacramento road) 30 Comment
  CAS-BOT-BC279104  Centromadia parryi subsp. rudis David D. Keck 1933-10-28 2592 Yolo 1/2 mi. W. of Yolo Causeway, on road from Sacramento to Davis Comment
  UC532127  Centromadia parryi subsp. rudis David D. Keck 1933-10-28 2592 Yolo .5 mi W of Yolo Causway on road from Sacramento to Davis Comment
  UCD159497  Centromadia parryi subsp. rudis D. S. Park 2010-8-25 247 Yolo West Sacramento. Growing along E. Main St. between road and railroad. Disturbed. Weedy habitat. 5 Comment
  UCD41046  Centromadia pungens Carol W. Witham 2003-8-8 977 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  CAS-BOT-BC279118  Centromadia pungens subsp. laevis W. D. Hamilton 1946-4-19 s.n. Yolo 3 miles No. of Davis Comment
  CAS-BOT-BC279405  Centromadia pungens subsp. pungens Beecher Crampton 1978-9-13 9665 Yolo Ca. 3 miles east of Woodland along Hwy. 16, 1 mile east of its junction with county road 102 Comment
  CAS-BOT-BC279412  Centromadia pungens subsp. pungens David D. Keck 1933-10-28 2590 Yolo 1 mi. W. of Sacramento River, W. of Sacramento on road to Davis Comment
  CAS-BOT-BC279417  Centromadia pungens subsp. pungens David D. Keck 1933-10-28 2591 Yolo 1/2 mi. E. of Yolo Causeway, 3 mi. W. of Sacramento River Comment
  CAS-BOT-BC223001  Cephalanthus occidentalis C. R. Quick 1972-7-30 72 -27 Yolo On east levee of Elk Slough, road 144, Merritt Island, 20 miles SSW of Sacramento, SW corner of Yolo Co. Comment
  UCD34191  Cephalanthus occidentalis Beecher Crampton 1977-10-8 9541 Yolo Putah Creek Canyon, Vaca Mtns., Hwy. 128. Comment
  UCD35815  Cephalanthus occidentalis B. Crampton 1962-8-27 6644 Yolo 4.6 miles s.e. of Knight's Landing, along the Sacramento River. Comment
  CDA9362  Cephalanthus occidentalis var. californicus G. F. Hrusa, J. Wheeler 2011-8-19 18445 Yolo Sacramento River Delta; Elk Slough, west side Sacramento River, across from Courtland. 10 Comment
  CHSC101552  Cephalanthus occidentalis var. californicus G. F. Hrusa 2007-7-22 17074 Yolo On shoreline in sandy intertidal area at Yolo County Boat Launch, W side Sacramento River, +/- 1 mile N of Hood (Sacramento Co.). 3 Comment
  UCR118989  Cephalanthus occidentalis var. californicus Beecher Crampton 1977-10-8 9541 Yolo Vaca Mountains, Putah Creek Canyon, Hwy. 128. 91 Comment
  UCD98010  Cerastium fontanum subsp. vulgare Michelle Mahoney 1965-5-20 21 Yolo Davis, southwest corner of 3rd and J streets. 15 Comment
  RSA696189  Cerastium glomeratum Keith E. Hoffmaster 1939-4-6 s.n. Yolo Putah Canyon Comment
  UCD98038  Cerastium glomeratum Doulgas Drewe 1967-4-30 s.n. Yolo 3rd and D streets in Davis. Comment
  CAS-BOT-BC207760  Cercis occidentalis Camille F. Nowell 2011-6-13 11 Yolo McLaughlin Natural Reserve. Approx. 13 mi. E of Lower Lake on the Davis Creek access road. 1/2 mi. N from Knoxville-Berryessa Road. 598 Comment
  RSA29316  Cercis occidentalis Joseph A. Ewan 1934-3-18 8688 Yolo Putah Creek, 8 miles above Winters. Comment
  RSA600823  Cercis occidentalis Joseph A. Ewan 1934-3-18 8688 Yolo Putah Creek, 8 miles above Winters. Comment
  SEINET803186  Cercis occidentalis W. P. Hachett 1960-1 26 Yolo In an exposed shallow basin 20 Feet from roadside and ca. 50 yards from Cache Creek. On State Highway 128 ca. 6.1 miles north from Rumsey. 137 Comment
  UC764601  Cercis occidentalis R. F. Hoover 1939-3-5 3900 Yolo Rumsey Comment
  UC917182  Cercis occidentalis T. Tomich 1949-4-11 4 Yolo 8 mi nw Rumsey; Cache Creek Canyon Comment
  UCD105666  Cercis occidentalis M. Wiesendanger 1927-5-4 643 Yolo Putah Canyon. Comment
  UCR207823  Cercis occidentalis George K. Helmkamp, E. A. Helmkamp 2009-3-24 14447 Yolo Inner North Coast Range, along CA-128, 6.1 miles west of Winters and beside Putah Creek 49 Comment
  UCD113018  Cercocarpus betuloides Amelie Blyth 1952-4-6 4- 4 Yolo Bank of Putah Creek, about 5 miles W of Winters, on highway between Winters and Monticello. Comment
  UCD56762  Cercocarpus betuloides Ellen Dean; M. Bibbo 2007-3-23 3454 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Western/Central portion of ranch near unimproved access loop road. 624 Comment
  CAS-BOT-BC136993  Cercocarpus betuloides var. betuloides John F. Emmel 1971-4-4 339 Yolo Thompson Canyon, NNE of Monticello Dam 243 Comment
  POM256527  Chaenactis glabriuscula var. heterocarpha Annetta Carter 1938-5-7 1364 Yolo Cache Creek Canyon, 3.6 miles N of Rumsey, Inner N Coast Range 213 Comment
  SEINET2029500 Image available Chaenactis glabriuscula var. heterocarpha Annetta Carter 1938-5-7 1364 Yolo Steep north-facing slope; Cache Creek Canyon, 3.6 miles north of Rumsey, Inner North Coast Range 213 Comment
  UC630436  Chaenactis glabriuscula var. heterocarpha Annetta Carter 1938-5-7 1366 Yolo 3.6 mi n of Rumsey (Cache Creek canyon); Inner North Coast Range, Cache Creek 213 Comment
  RSA140834  Chamaesyce serpillifolia John H. Thomas 1960-8-30 8871 Yolo 5 miles S of Winters along Hwy to Vacaville. Comment
  UCD34228  Chamomilla suaveolens Beecher Crampton 1978-5-8 9581 Yolo 1/4 mile south of Saxon Station. Comment
  UCD149332  Chenopodium album Collector Unknown 1925-6-12 s.n. Yolo University of California, Davis. University Farm. 15 Comment
  UCD21317  Chenopodium album J. Shepard 2000-5-26 273 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. Parking lot on north side of entrance road. 12 Comment
  UCR220394  Chenopodium album Jean V. Shepard 2000-5-26 273 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, from intersection of I-80 and Mace Blvd., 3.5 miles south on Mace Blvd. (County Rd 104), east along unpaved entrance road. Parking lot on north side of entrance road 12 Comment
  CDA2990  Chenopodium album M. S. Bergseng 1958-10-12 Yolo Highway # 16-24, near Elkhorn Village, west of Sacramento. 0 Comment
  SFV8397  Chenopodium album R. Beaver 1965-5-19 161 Yolo Sacramento Valley Along dry creek bed about 200 yards south of Barthel Mobile Park, south of Davis. 15 Comment
  UCD97760  Chenopodium album Chas. Heiser 1947-7-9 1949 Yolo On campus, Davis. Comment
  UCR213927  Chenopodium glaucum Jean V. Shepard 2008-6-27 816 Yolo Sacramento Valley, City of Davis, Covell Blvd. to Alhambra Dr., at entrance to Mace Ranch subdivision. 12 Comment
  UCR214051  Chenopodium glaucum Jean V. Shepard 2008-7-5 817 Yolo Sacramento Valley, City of Davis, Covell Blvd. to Alhambra Dr., at entrance to Mace Ranch subdivision. 12 Comment
  JEPS84729  Chenopodium murale John W. Willoughby 1976-7-29 1801 Yolo along State Hwy 128 about 1.2 mi nw junction <with> County Road 86 (Pleasants Valley Road) (at fishing access, beside parking lot); Vaca Mountains, Putah Creek 60 Comment
  UCD63137  Chenopodium murale A. M. Shapiro 2007-8-30 s.n. Yolo California. Yolo County: UC Davis campus. Comment
  UCD21524  Chenopodium rubrum A. M. Shapiro 2002-10-17 s.n. Yolo West Sacramento, 0.5 miles west of Harbor Blvd. Comment
  UCD98367  Chenopodium rubrum A. M. Shapiro 2002-10-17 s.n. Yolo West Sacramento, 0.5 miles west of Harbor Blvd. Comment
  UCR178426  Chenopodium rubrum Arthur M. Shapiro 2002-10-17 s.n. Yolo Sacramento Valley, West Sacramento, 0.5 miles west of Harbor Blvd. along railroad track 3 Comment
  CAS-BOT-BC474758  Chenopodium rubrum var. rubrum Ellen Dean; C. Robbins 2013-8-28 7994 Yolo Eastern edge of city of Woodland, city property. N of Gibson Rd extension on E side of Pole Line Rd (Cty Rd 102); N of sewer plant (formerly evaporation ponds) 0 Comment
  UCD143932  Chenopodium rubrum var. rubrum Ellen Dean; C. Robbins 2013-8-28 7994 Yolo Eastern edge of the City of Woodland. Property owned by the City of Woodland. North of Gibson Road extension on E side of Pole Line Rd. (County Rd. 102); north of existing sewer plant in an area that once had evaporation ponds. Area was recently used as borrow pit for the raised soil slab that has been prepared for the Woodland- Davis water treatment plant construction project (for clean drinking water.) Borrow pit is just south of that slab. 0 Comment
  UCD35611  Chenopodium strictum Beecher Crampton 1958-11-10 5138 Yolo UC Davis Campus, Pomology. Comment
  UC1053303  Chilopsis linearis subsp. arcuata June McCaskill 1954-8-6 355 Yolo in garden at 631 Oak Ave. Davis Comment
  UCD20549  Chionanthus virginicus A. T. Leiser 1981-11-11 Yolo Yolo County, Davis, UC Davis Campus, Tercero complex. Comment
  UCD57913  Chloris elata Beecher Crampton 1973-8-6 s.n. Yolo UC Davis Campus, Agronomy Experimental Area, Plant Introduction Nursery, volunteer in a rabbit study area just south of Agronomy field B-11. Comment
  UCD57914  Chloris truncata R. Tofsrud 1942-9-1 s.n. Yolo Davis. Comment
  UCD36777  Chloris virgata Beecher Crampton 1955-8-23 3140 Yolo Yolo County, 3 miles north of city of Davis, along U.S. Highway 99W. Comment
  UCD73682  Chlorogalum pomeridianum Christa Lindsey; Plant Biology 102 students 2008-5-3 6 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. West side of Bray Creek. 103 Comment
  UCD18245  Chloropyron palmatum E. A. Dean; A. Efstratis, K. Mawdsley, T. and M. Starbuck 1998-5-8 452 Yolo SE side of city of Woodland, SE of junction of roads 102 and 25, south side of road 25, in county park, NE of old rodeo stables, along dirt road, southeast corner of manmade pond. Comment
  UCD34249  Chloropyron palmatum Beecher Crampton 1978-6-26 9606 Yolo 4 miles S.E. of Woodland. Comment
  UCD170327  Chloropyron palmatum Beecher Crampton 1978-6-26 9606 Yolo 4 miles S.E. of Woodland. Comment
  UCD33487  Chorispora tenella Beecher Crampton 1969-4-7 8395 Yolo Yolo County, Woodland, Cross and East streets. Comment
  UCD20381  Chorizanthe membranacea K. Esau 1934-5-8 s. n. Yolo Putah Canyon. Comment
  UCD149344  Cichorium intybus Collector Unknown 1925-6-1 s.n. Yolo Causeway. 4 Comment
  SEINET8194558 Image available Cinnamomum camphora Houston B. Couch 1953-5-6 26 Yolo Cultivated on University of California campus, Davis Comment
  SFV8284  Clarkia affinis E. F. Beukman 1964-4-19 12 Yolo North Coast Ranges Cache Creek Canyon. State Highway 16, 2.5 miles north of Rumsey. 150 Comment
  UCD160161  Clarkia affinis Aaron Goodman 2015-4-12 4 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. 144 Comment
  UCD48062  Clarkia concinna Ryan Knox; E. McDermott, G. Walden 2002-4-13 16 Yolo McLaughlin UC Reserve, W side of Davis Creek Reservoir, along road that goes from Soda Spring area to Rayhouse Rd. 0.5 airline mile due N of Soda Springs and 1.0 airline mile WNW of UC Davis Aquatic Lab facility. 491 Comment
  UCD72448  Clarkia concinna Ellen Dean 2008-4-25 4871 Yolo Tuleyome Ireland Ranch, western part of ranch near Crooker Spring. 332 Comment
  CHSC74995  Clarkia concinna subsp. concinna E. D. Appenzeller 1995-5-28 18 Yolo West of city of Winters; off hwy 128 near Stebbins Cold Canyon. Comment
  UC638704  Clarkia concinna subsp. concinna Ethel Crum 1938-5-7 1995 Yolo 4 mi n Rumsey; Inner North Coast Range, Cache Creek Canyon 152 Comment
  SEINET9311530  Clarkia purpurea Unknown 1989-6-3 24 Yolo Yolo County Comment
  UCD104845  Clarkia purpurea Beecher Crampton 1972-4-19 8791 Yolo 2 miles W of Winters. Comment
  JEPS43588  Clarkia purpurea subsp. quadrivulnera Elizabeth Ferguson 1920-5-15 342 Yolo w Winters; Putah Creek Comment
  UCD160165  Clarkia purpurea subsp. quadrivulnera Heather Castro 2015-4-12 3 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. 185 Comment
  UCD15533  Clarkia purpurea subsp. quadrivulnera Lara Hawthorne 1989-6-3 24 Yolo Highway 128 near Stebbins. 97 Comment
  UCD105068  Clarkia unguiculata K. O'Keefe 1995-6-3 s.n. Yolo Upper west bank of Cold Creek, 200m. from confluence wth Putah Creek. Below and E of Lake Berryessa, off of Highway 128. 120 Comment
  UCD149325  Claytonia perfoliata Collector Unknown 1925-2-21 s.n. Yolo City of Davis. 15 Comment
  UCD73108  Claytonia perfoliata Ellen Dean; Susan Xhang, Christa Lindsey, Chris Mosser 2008-5-3 4898 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Along Bray Creek, by creek crossing. 100 Comment
  UCD14402  Claytonia perfoliata Katherine Courtney 1983-4-22 1 Yolo 4 miles east of Winters along Highway 128; on the south side of the road. Comment
  UCD41025  Claytonia perfoliata subsp. perfoliata Carol W. Witham 2003-4-11 956 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  CAS-BOT-BC440066  Claytonia perfoliata subsp. perfoliata W. D. Hamilton 1946-3-27 s.n. Yolo Davis Comment
  SEINET215094 Image available Claytonia perfoliata subsp. perfoliata W. P. Hackett 1960-3-13 2 Yolo Davis, E of airport, Univ. of CA. at Davis. Comment
  UCD100822  Claytonia perfoliata subsp. perfoliata R. H. Miller 1949-5-7 45 Yolo about 3 miles west of Winters, beside Putah Canyon road. Comment
  UCD35495  Claytonia perfoliata subsp. perfoliata Beecher Crampton 1957-3-26 3903 Yolo UC Davis campus. Pomology orchard. Comment
  HSC43965  Clematis lasiantha Robert M. Specht 1977-4-12 639 Yolo NE facing slope above Davis Creek 640 Comment
  JEPS84653  Clematis ligusticifolia John W. Willoughby 1979-8-13 4414 Yolo fishing access along State Hwy. 128 ca. 1.2 mi. n.w. of junction of the hwy. and Pleasants Valley Rd. (County Rd. 86) Putah Creek; Vaca Mts., Putah Creek 60 Comment
  UCD95586  Clematis ligusticifolia S. C. Hanson 1949-6-10 30 Yolo Bank of Putah Creek, near Horse Barn, University Farm, Davis. Comment
  UCD95594  Clematis ligusticifolia J. D. Skoss 1948-8-12 74 Yolo Bank of Putah Creek, UC Davis campus, UC Davis. Comment
  UCD170945  Cleome gynandra 2018-6-19 s.n. Yolo University of California, Davis. Agricultural fields to the south of Hutchison Drive to the west of Hwy 113 and the east of the airport. Old Vegetable Crops Field Headquarters area. 18 Comment
  SEINET893259  Coleus blumei H. H. Dickson 1950-1 11 Yolo Landscape Gardening greenhouse, University of California campus, Davis Comment
  RSA0117398  Collinsia concolor Keith E. Hoffmaster 1939-4-6 918 Yolo Putah Canyon. Comment
  UC917279  Collinsia heterophylla H. B. Currier and C. B. Heiser Jr. 1947-4-10 1901 Yolo 1 mi nw of Rumsey (just off Highway 16) Comment
  UCD35567  Collinsia heterophylla Beecher Crampton 1958-4-21 4712 Yolo 2.7 miles northwest of Rumsey, along State Hwy. 16 above Cache Creek. Comment
  UCD56698  Collinsia sparsiflora Ellen Dean; M. Bibbo 2007-3-23 3391 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SW portion of ranch. 649 Comment
  UC596287  Collinsia sparsiflora var. sparsiflora R. F. Hoover 1938-2-22 2767 Yolo Putah Creek Canyon Comment
  UCD39211  Conium maculatum Beecher Crampton 1953-5-28 1345 Yolo 2 miles west of West Sacramento. East end of the Yolo Causeway. Comment
  SD257249  Convolvulus arvensis George K. Helmkamp, Mary Alice Barnes 2013-5-8 20519 Yolo Southern Sacramento Valley: Yolo Bypass Wildlife Area, 0.9 mile southeast of the junction of Chiles Road and I-80, between Sacramento and Davis. 13 Comment
  UCD67917  Convolvulus arvensis Greg Vita 1978-5-21 32 Yolo Route 128, 3.3 miles east of Monticello Dam. Foothill woodland, full shade, along river. 60 Comment
  CDA21267  Conyza canadensis G. F. Hrusa, C. & E. Dogwin 2007-10-24 17084 Yolo Sacramento Delta; Yolo Co. Boat Launch, W side of Sacramento River, approx. 1 mi. N of Hood (Sacramento Co.). 7 Comment
  JEPS84583  Conyza canadensis John W. Willoughby 1979-8-13 4412 Yolo fishing access along State Highway 128 about 1.2 mi w of the junction of the highway and Pleasants Valley Road Putah Creek (in open disturbed area near parking lot); Vaca Mountains, Putah Creek 60 Comment
  POM51570  Conyza canadensis Roxana Stinchfield 1916-6-26 343 Yolo Mouth of Buckeye Creek Comment
  JEPS82992  Cordylanthus palmatus L. R. Heckard 1963-8-10 6145 Yolo about 3 mi se Woodland (just n of Road 25 and w of Road 103) Comment
  UCD22757  Cotoneaster dammeri Collector unknown 1988-2-8 s.n. Yolo Environmental Horticulture building. Comment
  UCD146832  Crassula connata Carol W. Witham 2003-4-9 909 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD73620  Crassula tillaea Ellen Dean; Elizabeth Goebel 2008-4-7 4747 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat, west of Dry Creek road crossing. 83 Comment
  RSA273433  Cressa truxillensis D. E. Anderson 1977-5-15 15699 Yolo North of Yolo Bypass ca. 20 miles north of Sacramento along Interstate 5. Comment
  UCD120211  Cressa truxillensis Ellen Dean 2012-4-19 7325 Yolo Along C.R. 103 near Conaway Ranch, east side of road. About 1 mile south of C.R. 25. Remnant alkali plain vegetation in weedy roadside. 10 Comment
  UCD126215  Cressa truxillensis Charles B. Heiser Jr. 1947-7-10 1932 Yolo West Sacramento. Comment
  UCD126222  Cressa truxillensis P. B. Kennedy 1916-7-23 s.n. Yolo Holland Land Company, Clasksburg-Sacramento River. Comment
  UCD126224  Cressa truxillensis Robbins; Norton 1928-8-1 1418 Yolo near Clarksburg. Comment
  UCR51827  Cressa truxillensis D. E. Anderson 1977-5-15 15699 Yolo Sacramento River floodplain, N of Yolo bypass c. 20 mi. north of Sacramento along Hwy I-5. Under Southern Pacific Railroad trestle. Comment
  SEINET6632236 Image available Crossandra infundibuliformis Edward B. Risley 1968-1 s.n. Yolo raised from seed in green-house at residence at 620B Street, Davis Comment
  UCD20603  Croton setiger E. Dean; with M. Bibbo 2002-7-5 1148 Yolo McLaughlin UC Reserve. Clover Valley, W of main road that goes N-S through valley. 457 Comment
  UCD20900  Croton setiger N. Nicola 2001-9-12 128 Yolo Southern Sacramento Valley, city of Davis. Comment
  UCD21300  Croton setiger J. Shepard 2000-5-13 240 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, in parking lot on south side. 12 Comment
  UCD142089  Croton setiger H. R. Drever 1945-8-11 s.n. Yolo University of California campus, Davis. Comment
  UCD142151  Croton setiger W. T. Pope 1916-10-5 s.n. Yolo University Farm. Comment
  RSA45348  Crypsis schoenoides R. N. Raynor 1940-10-20 s.n. Yolo No. of Yolo Bypass [county uncertain; no county specified on label] Comment
  UCD19294  Crypsis schoenoides Jim Sherar 1991-9-1 s.n. Yolo Yolo Causeway. Comment
  UCD36097  Crypsis schoenoides Beecher Crampton 1952-10-24 868 Yolo Yolo County, I.5 miles north of city of Davis, along Southern Pacific Railroad property. Comment
  UCD36106  Crypsis schoenoides Beecher Crampton 1952-10-28 892 Yolo Yolo County, 5 miles west of city of Winters, on Monticello Road, along Putah Creek. Comment
  UCD59818  Crypsis schoenoides R. N. Raynor 1940-10-10 Yolo Conaway Ranch, North of Bypass. Comment
  UCR119088  Crypsis schoenoides Beecher Crampton 1952-10-24 868 Yolo Sacramento Valley, 1.5 miles north of city of Davis, along Southern Pacific Railroad property. 15 Comment
  UCD59981  Crypsis vaginiflora K. Esau and D. Hartmann 1941-7-17 s. n. Yolo Near Zamora. Comment
  UCD81850  Crypsis vaginiflora Ellen Dean; M. Showers, G. Harrington 2009-6-3 5769 Yolo Woodland Regional Park. City of Woodland property on the E side of County Road 102, just S of County Road 25. Along E edge of drainage pond. 9 Comment
  UCD149398  Cryptantha ambigua Collector Unknown 1949-1 s.n. Yolo Yolo County. Capay Valley. Hungry Hollow 53 Comment
  RSA733634  Cryptantha flaccida Keith E. Hoffmaster 1946-3-29 76 Yolo Putah Canyon, near Napa County line. Comment
  UC1278110  Cryptantha flaccida Beecher Crampton 1955-4-18 2502 Yolo 2 mi w Winters Comment
  UCD160092  Cryptantha flaccida Mayra Huerta 2015-4-12 5 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, near ranch headquarters. 99 Comment
  UCD58055  Cryptantha flaccida Ellen Dean; K. Mawdsley 2007-4-6 3595 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 515 Comment
  SEINET10734695  Cucumis melo Stephanie Frischie 2000-9-30 Frischie 101 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET10848439  Cucurbita pepo Stephanie Frischie 2000-9-27 Frischie 69 Yolo Safeway Store #1205, 1431 West Covell, Davis, CA 95616. Comment
  CHSC59934  Cupressus guadalupensis Warren Roberts; Bill Sacks 1981-1-15 Yolo Northeast of Mrak Bridge, section V A of Arboretum, University of California, Davis. Comment
  CAS-BOT-BC532593  Cupressus macnabiana G. Ledyard Stebbins 1954-2-1 s.n. Yolo Cedar Basin. [No county given in original location info; this could be a Cedar Basin in a different county] Comment
  UCR224670  Cuscuta brachycalyx Jean V. Shepard 2010-8-15 845 Yolo Yolo County Grasslands Park, east of Davis, from intersection of I-80 and Mace Blvd., 3.5 miles south on Mace Blvd. (Co. Rd. 104), thence east along unpaved entrance road to Sacramento Valley Soaring Society field, to the north 12 Comment
  UCD38922  Cuscuta campestris Beecher Crampton 1961-10-25 6041 Yolo 4 miles NW of Bryte, Yolo Bypass, S of Todhunter's Lake. Comment
  UCD54468  Cuscuta campestris Keith Glenn 1973-8-2 s.n. Yolo South side of Interstae Hwy 80 on west side of Yolo County Bypass. Comment
  UCD67389  Cuscuta campestris Jane Lorre 1992-6-5 15 Yolo Along Road 102 by Pole Line Road. 10 Comment
  UCD67396  Cuscuta campestris Julia Curlette 1992-5-5 5 Yolo Yolo county : Pedric Rd. Along roadside. Comment
  UCD126300  Cuscuta howelliana Jim Sherar 1992-6-16 s.n. Yolo south of Dixon. Comment
  UCD37277  Cuscuta indecora var. indecora Beecher Crampton 1958-9-29 5117 Yolo 7 miles west of city of Davis, just south of Moon Ranch. Comment
  UCR119107  Cuscuta salina Beecher Crampton 1961-7-25 5942 Yolo Sacramento Valley, 1 mile southwest of Saxon Station. 15 Comment
  UCD37711  Cuscuta salina Beecher Crampton 1961-7-25 5942 Yolo 1 mile southwest of Saxon Station. Comment
  SBBG115927  Cuscuta subinclusa W. A. Harvey 1953-10-20 Yolo Pole Line Rd (County Rd 102), ca. 4 mi N of Davis Comment
  UCD98531  Cycloloma atriplicifolium R. Raynor 1943-9-1 s.n. Yolo Railroad right-of-way, West Sacramento. Comment
  JEPS84688  Cynodon dactylon John W. Willoughby 1977-4-27 2325 Yolo foothills n of State Highway 128, 1.3 mi e junction with Pleasants Valley Road (County Road 86); Vaca Mountains 48 Comment
  SACT000835  Cynodon dactylon John Willoughby 1976-7-29 Yolo at fishing access along State Highway 128 about 1.2 miles northwest of the junction of the highway and the county road 86. In moist ground along Putah Creek, riparian. Comment
  UCD150923  Cynodon dactylon James A. Neilson Jr. 1961-7-1 s.n. Yolo 5 milies N of Rumsey. Cache Creek. (elevation estimated by label-maker using Google Earth). 176 Comment
  UCD37287  Cynodon dactylon Beecher Crampton 1959-3-24 5144 Yolo Yolo County, city of Davis. Comment
  UCD60030  Cynodon dactylon E. G. Cakin 1947-5-8 s.n. Yolo Davis. UC Davis, University Farm. Clear Lake ditch. Comment
  UCD119180  Cynoglossum grande Marvin Nies 1951-2-23 5 Yolo 5 miles north of Rumsey. Comment
  RSA518724  Cyperus difformis Barbara Ertter 1988-10-21 7995 Yolo Cache Creek at Rd 89 crossing just W of I-505, E of gravel pits 1.5 mi N of Madison, ca 10 airmiles W of Woodland, Sacramento Valley 37 Comment
  CAS-BOT-BC114576  Cyperus eragrostis Clarence Roy Quick 1972-7-22 72 -19 Yolo Occasional near river's edge. On E levee of Merritt Island, at junction of road 142. Comment
  UCD141664  Cyperus eragrostis Ellen Dean; M. Taylor, K. MacMillan 2013-6-13 7791 Yolo City of Davis South Fork Preserve, along Mace Blvd. (County Road 104) south of the City of Davis boundary. North bank of Putah Creek in Plot MBN 4E of the Putah Creek vegetation survey. 9 Comment
  UCD97116  Cyperus eragrostis Ellen Dean; C. Loughran, A. Fuller 2011-5-8 7016 Yolo Yolo County. Audubon Bobcat Ranch. Lands to the north of Hwy 128, just E of Monticello Dam. Bray Canyon. About one third of the way up the canyon on west side of creek. Comment
  UCR36570  Cyperus eragrostis A. C. Sanders 1984-6-18 5064 Yolo Sacramento Valley, Sacramento Bypass near Bryte, just NW of Sacramento, bed of the bypass 1 mi west of the Sacramento River 5 Comment
  CDA32264  Cyperus erythrorhizos G. F. Hrusa 2007-6-27 17047 Yolo Sacramento Delta; Yolo Co. Boat Launch, W side Sacramento R. +/- 1 mile N of Hood (Sacramento Co.). 7 Comment
  CAS-BOT-BC114001  Cyperus rotundus June McCaskill 1955-3-14 380 Yolo In gallon can in Agronomy Greenhouse. University of California, Davis. Comment
  UCD20534  Cyphomandra betacea Cliff Low 1983-7-19 s.n. Yolo Yolo County, Davis, 214 Second St. Comment
  SACT000876  Dactylis glomerata Lester Varozza 1960-4-24 Yolo 11 miles southwest of Davis, Ca Comment
  UCD60191  Dactylis glomerata Collector unknown 1941-8-1 s.n. Yolo Davis Farm. Comment
  UCD60292  Dactylis glomerata Beecher Crampton 1962-4-18 6231 Yolo Davis. Southern Pacific R. R. Station. Comment
  CAS-BOT-BC445499  Damasonium californicum Mrs. H. C. Cantelow 1940-5-13 3185 Yolo 9 1/2 mi. w. of Sacramento Comment
  CAS-BOT-BC445500  Damasonium californicum Mrs. H. C. Cantelow 1940-5-13 s.n. Yolo 9 1/2 miles w. of Sacramento Comment
  UCD137985  Damasonium californicum Everett H. Everson 1951-4-19 37 Yolo Sacramento River, 9.2 miles southeast of Davis on county road 34A. Comment
  UCD138011  Damasonium californicum W. R. Russell; C. B. Heiser 1947-5-3 1908 -c Yolo under Yolo Causeway. Comment
  UCD60858  Danthonia californica var. americana Beecher Crampton 1961-7-21 5939 Yolo 2.5 miles west of Davis, along Russell Blvd. Comment
  UCD54322  Datura A. M. Shapiro 2005-10-11 s.n. Yolo Davis, UCD Campus; in gardens between Environmental Horticulture and University Club. Comment
  UCD126515  Datura ferox Daryl Koutnik; John Sowell 1978-10-27 577 Yolo one mile south of Putah Creek, east of county road 106 and west of Yolo Causeway. 6 Comment
  SEINET212395 Image available Datura stramonium Timothy K. Lowery 1973-8-15 2 Yolo 1/2 m N of Rumsey in a waste field by side of hyw. 16 91 Comment
  UCD126522  Datura stramonium K. Esau 1929-10-1 s. n. Yolo Putah Canyon. Comment
  UCD126535  Datura stramonium W. W. Robbins 1932-6-27 s.n. Yolo University Farm, Davis. Comment
  CAS-BOT-BC474702  Datura wrightii Jean Shepard 2000-8-28 338 Yolo City of Davis. South of Fifth St., off Del Rio Pl. 10 Comment
  UC1094503  Datura wrightii Richard Snow 1957-10-2 322 -5 Yolo Putah Creek Comment
  UCD127401  Daucus carota Collector Unknown 1925-6-19 400 Yolo University Farm Campus, Davis. Comment
  UC1031394  Delphinium hansenii H. Lewis and G. Mehlquist 1941-5-9 Yolo State Hwy 28 3.6 mi w Winters Comment
  LA207394  Delphinium hansenii H. Lewis; G. Mehlquist 1941-9-5 sn Yolo State Highway #28, 3.6 mi. W of Winters Comment
  UCD95772  Delphinium hansenii H. Lewis; G. Mehlquist 1941-5-9 s.n. Yolo State Highway #28, 3.6 miles W of Winters. Comment
  LA38203  Delphinium hesperium Mehlquist; Baker 315 Yolo Putah Creek Canyon, 8 mi. W of Winters Comment
  UCD34233  Delphinium hesperium Beecher Crampton 1978-5-15 9588 Yolo Yolo County, ca. 3 miles west of Winters on Hwy. 128. Comment
  CAS-BOT-BC116450  Delphinium patens subsp. patens Ella D. Cantelow 1940-3-9 4277 Yolo Putah Canyon opp. Devil's Gate Comment
  CAS-BOT-BC16948  Delphinium variegatum subsp. variegatum Alice Eastwood 1927-3-28 14220 Yolo near Winters Comment
  SEINET5714473 Image available Dennstaedtia cicutaria Dennis W. Stevenson 1973-1 s.n. Yolo Cultivated in Botany Department Greenhouse, University of California campus, Davis.; Univ. of California, Davis Comment
  CAS-BOT-BC192648  Deschampsia danthonioides Roxana S. Ferris 1926-4-24 6467 Yolo 3 miles south of Dunnigan Comment
  CDA31663  Deschampsia danthonioides P. B. Kennedy 1925-4-26 Yolo Davis 0 Comment
  UCD33233  Deschampsia danthonioides Beecher Crampton 1967-5-18 7949 Yolo 1 mile north of Davis. Comment
  UCD62552  Deschampsia danthonioides Beecher Crampton 1955-4-14 2496 Yolo 1 mile south of Dunnigan. Comment
  UCD62686  Deschampsia danthonioides var. gracilis P. B. Kennedy 1915-4-26 s.n. Yolo Outskirts of Davis. Comment
  UCD62764  Deschampsia danthonioides var. gracilis R. Tofsrud 1942-5-1 79 Yolo Yolo Bypass. Comment
  SFV771  Dichelostemma capitatum R. Y. Berg 1963-2-10 s. n. Yolo Putah Creek Canyon. Along Solano Lake, between resort and Pleasants Valley Road. Comment
  UCD139224  Dichelostemma capitatum subsp. capitatum F. W. Hayes 1927-1-30 580 Yolo Putah Canyon. Comment
  UCD62730  Dichelostemma capitatum subsp. capitatum Alan Yip; Plant Biology 102 students 2008-4-6 6 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. 118 Comment
  POM169657  Dichelostemma volubile C. F. Baker 1903-5-7 3072 Yolo Rumsey. Comment
  UC333352  Dichelostemma volubile unknown 1891-5-28 Yolo Capay Valley Comment
  UCD20868  Dichelostemma volubile N. Nicola 2001-8-5 085 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  UCD73253  Dichelostemma volubile Ellen Dean; Susan Xhang, Christa Lindsey, Chris Mosser 2008-4-17 4832 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. 77 Comment
  CAS-BOT-BC208965  Digitaria ischaemum Clarence R. Quick 1968-8-25 68 -23 Yolo Garden, Merritt Island, near junction of county roads #140 &142, 3.5 miles south of Clarksburg Comment
  CHSC79404  Digitaria sanguinalis Beecher Crampton 1955-9-29 3162 Yolo 1.5 miles north of city of Davis, along U. S. Highway 99W. Comment
  SBBG21236  Digitaria sanguinalis B. Crampton 1961-9-15 Yolo University of California Davis campus Comment
  UCD38018  Digitaria sanguinalis Beecher Crampton 1962-9-11 6670 Yolo Yolo County, 3 miles west of city of Winters. Comment
  UCD58490  Digitaria sanguinalis J. Shepard 2007-7-6 812 Yolo City of Davis. In greenbelt south of and parallel to Loyola Drive between Tulip Lane and Monarch Lane. Comment
  SACT000983  Digitaria sanguinalis 1925-6-29 Yolo No determiner/collecter listed Comment
  SEINET13768859 Image available Diplacus aurantiacus Jack Maze 1963-1 8 Yolo State Highway 128, 3/4 mile west of Recreation Beach Comment
  UCD161135  Dipsacus fullonum Jean Shepard 2001-7-1 471 Yolo East of Woodland. From intersection of Co. Rds. 102 and 22, 3.2 mi E on Co. Rd. 22. 100 yd. N of Co. Rd. 22; 50 yd. N of RR trestle running parallel to Co. Rd. 22. Comment
  UCD161197  Dipsacus fullonum Jean Shepard 2013-7-6 880 Yolo City of Davis. ENE Wildhorse Golf Course. From intersection of Covell Blvd. and Monarch Ln., about 0.1 mi E and about 0.1 mi N. Comment
  UCD37378  Distichlis Beecher Crampton 1960-2-11 5476 Yolo Yolo County, 4-5 miles west of city of Winters, entrance to Putah Creek Canyon. Comment
  SEINET249771 Image available Distichlis spicata Beecher Crampton 1958-6-20 4940 Yolo 3-4 miles east of Woodland, along State Hwy. 16 and 24. Comment
  UCD20598  Distichlis spicata E. Dean; with M. Bibbo 2002-7-5 1142 Yolo McLaughlin UC Reserve. 0.8 road miles S of Rayhouse Road reserve gate, along road to Soda Springs, W side of Davis Creek Resevoir. 493 Comment
  UCD35417  Distichlis spicata Beecher Crampton 1956-7-13 3708 Yolo Yolo bypass. Comment
  UCD64569  Distichlis spicata Beecher Crampton 1962-4-19 6228 Yolo Davis. Southern Pacific R. R. Station. Comment
  UCD64577  Distichlis spicata Beecher Crampton 1958-6-30 4992 Yolo Davis, S. P. RR Station. Comment
  UCD64589  Distichlis spicata Beecher Crampton 1956-7-13 3708 Yolo Yolo Bypass. Comment
  UCR119095  Distichlis spicata Beecher Crampton 1954-9-30 2283 Yolo Sacramento Valley, 3 miles north of Davis. 15 Comment
  UCD18437  Dittrichia graveolens A. M. Shapiro 1999-10-29 s.n. Yolo West Sacramento, ca. 0.5 km west of Harbor Blvd., north of West Capitol Ave., along jeep trail on south side of railroad embarkment. Comment
  UC445044  Dodecatheon clevelandii subsp. patulum Franklin P. Nutting April 1892 Yolo Comment
  UCD144779  Downingia bicornuta var. bicornuta Carol W. Witham 2003-4-7 883 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UC1116676  Downingia insignis Beecher Crampton 1960-5-9 5502 Yolo 1.25 mi sw Saxon Station Comment
  UCD144781  Downingia insignis Carol W. Witham 2003-4-7 879 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD55109  Downingia insignis Everett H. Everson 1951-4-19 38 Yolo 8.2 miles southeast of Davis on county road 34A. Comment
  UCD84356  Downingia insignis Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  CDA42326  Downingia insignis G. D. Barbe 1984-4-25 4154 Yolo Western edge of Yolo By-pass at Glide Ranch, east of Road 106 and 1.4 miles south of Road 36. Comment
  UCD170374  Downingia insignis 21 Apr l 2000 s.n. Yolo Site of Greyhawk Housing Development, North of City of Winters. Comment
  UCD34975  Downingia insignis Beecher Crampton 1996-4-22 10333 Yolo Yolo County, 3.5 miles S.E. of Woodland, along Mavis-Henson (Field) road, just east of its jct. with county road 102 and just south of road 25, T9N R2E, sect 11. Comment
  UCD35025  Downingia insignis Beecher Crampton 1998-5-18 10365 Yolo Yolo County, ca. 2.5 miles north of Davis along county road 29 just west of its jct. with county road 101A, T9N R2E sect 28. Comment
  UCD34231  Downingia ornatissima var. eximia Beecher Crampton 1978-5-8 9585 Yolo Yolo County, 1 mile south of Saxon Station, T7N R3E sect. 17 N.W. quarter. Comment
  CHSC79276  Downingia ornatissima var. ornatissima Beecher Crampton 1978-5-8 9585 Yolo 1 mile south of Saxon Station. Comment
  UCD144785  Downingia pulchella Carol W. Witham 2003-4-7 882 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD36179  Downingia pulchella Beecher Crampton 1953-3-31 1049 Yolo Yolo County, Madison. Comment
  UCD54986  Downingia pulchella Marvin Nies 1951-4-28 50 Yolo 4 miles north of Davis. 12 Comment
  UCD18289  Downingia pulchella Craig D. Thomsen 1998-6-4 s.n. Yolo SE of city of Woodland, south of road 25, 200 m west of road 103, in drying alkaline vernal pool. Comment
  UCD36217  Downingia pulchella Beecher Crampton 1953-4-23 1132 Yolo Yolo County, 3 miles west of city of Davis. Comment
  CHSC59594  Duchesnea indica Lisa L. Serafini 1982-6-6 28 Yolo University of California, Davis campus, courtyard of Cuarto Hall. 16 Comment
  UCD98580  Dysphania ambrosioides Beecher Crampton 1961-10-25 6044 Yolo 4 miles northwest of Bryte, Yolo Bypass. Comment
  SEINET1910266  Dysphania ambrosioides Barbara Ertter 1988-1 7988 Yolo Cache Creek at Rd 89 crossing just W of I-505, E of gravel pits 1.5 mi N of Madison, ca 10 airmiles E of Woodland, Sacramento Valley 37 Comment
  UCD98712  Dysphania botrys H. A. Borthwick 1925-5-5 1854 Yolo Putah Canyon. Comment
  UCD98771  Dysphania chilensis P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co., Clarksburg -- Sacramento River. Comment
  UCD98774  Dysphania chilensis J. A. Ogle 1924-6-1 29 Yolo W. Sacramento roadside. Comment
  UCD32964  Echinochloa Beecher Crampton 1965-8-18 7485 Yolo 3 miles W of Knight's Landing. Comment
  HSC102726  Echinochloa colona J. P. Smith 2013-8-23 13775 Yolo Weed in a walnut orchard. 134 Comment
  SEINET219764 Image available Echinochloa colona J. McCaskill, M Griggs; WA Harvey 1968-8-1 737 Yolo Weed around Agronomy field plot A-8 ca 1/2 mi E of University Airpost University of California Davis Comment
  UCD60742  Echinochloa colona Beecher Crampton 1968-5-7 8258 Yolo UC - Davis Agronomy field. Weed about greenhouses. Comment
  UCD60793  Echinochloa colona Beecher Crampton 1961-10-10 6027 Yolo 5 miles west of Davis. Comment
  UCR119084  Echinochloa colona Beecher Crampton 1961-7-21 5940 Yolo Sacramento Valley, 2.5 miles west of city of Davis, along Russell Boulevard. 15 Comment
  UCR119169  Echinochloa colona Beecher Crampton 1965-7-7 7437 Yolo Sacramento Valley, Northern city limits of Winters. 30 Comment
  UCR197957  Echinochloa colona Beecher Crampton 1953-8-24 1602 Yolo 1 mi west of city of Winters Comment
  CAS-BOT-BC197084  Echinochloa crus-galli John Thomas Howell; Gordon H. True 1967-6-11 42552 Yolo NW. of Woodland Comment
  SACT001028  Echinochloa crus-galli Brian Brown 1975-10-27 Yolo Semi-moist habitat. Comment
  SEINET241776 Image available Echinochloa crus-galli Beecher Crampton 1965-8-18 7482 c Yolo 3 miles NW of Davis on County rd. 99 between roads 30 and 31. Comment
  UCD32912  Echinochloa crus-galli Beecher Crampton 1965-7-7 7434 Yolo Yolo County, 2.5 miles W.N.W. of Davis, jct. of county roads 98 and 31. Comment
  UCD32961  Echinochloa crus-galli Beecher Crampton 1965-8-18 7482 b Yolo Yolo County, 3 miles N.W. of Davis on County rd. 99 between roads 30 and 31. Comment
  UCD32963  Echinochloa crus-galli Beecher Crampton 1965-8-18 7484 Yolo 3 miles W of Knight's Landing. Comment
  UCD32967  Echinochloa crus-galli Beecher Crampton 1965-8-18 7483 Yolo Yolo County, 1 mile N.E. of Yolo County road 16A. Comment
  UCD60828  Echinochloa crus-galli Beecher Crampton 1961-7-21 5941 Yolo 5.5 miles west of Davis along Russell Blvd. Comment
  UCD60844  Echinochloa crus-galli Beecher Crampton 1958-11-3 5131 Yolo Campbell Tract, UC-D campus. Comment
  UCR141751  Echinochloa crus-galli Beecher Crampton 1965-7-27 7472 b Yolo 5.1 mi east of Woodland Comment
  SACT001027  Echinochloa crus-galli 1925-6-10 Yolo No collector/determiner listed. Comment
  SEINET8465057 Image available Echinochloa crus-galli Beecher Crampton 1965-8-18 7484 Yolo 3 miles west of Knights Landing. Comment
  CAS-BOT-BC197271  Echinochloa muricata var. microstachya Roxana Stinchfield 1916-6-25 324 Yolo Near mouth of Buckeye Creek Comment
  HSC9657  Echinochloa muricata var. microstachya J. V. Lenz 1947-5-14 Yolo Putah Canyon Comment
  UC735745  Echinodorus berteroi Charles B. Heiser Jr. 1947-7-22 1964 Yolo rice field n. of Davis Comment
  UCD35257  Eclipta alba Beecher Crampton 1954-9-28 2282 Yolo 5 miles east of Davis. Comment
  RSA518822  Eclipta prostrata Barbara Ertter 1988-10-21 7985 Yolo Cache Creek at Rd 89 crossing just W of I-505, E of gravel pits 1.5 mi N of Madison, ca 10 airmiles W of Woodland. 37 Comment
  UC1562717  Eclipta prostrata Barbara Ertter 1988-10-21 7985 Yolo creek at Rd 89 crossing just w I-505 (e of gravel pits 1.5 mi n of Madison, ca 10 air mi w of Woodland); Sacramento Valley, Cache Creek 36 Comment
  UCR71526  Eclipta prostrata Barbara Ertter 1988-10-21 7985 Yolo Sacramento Valley, Cache Creek at Rd 89 crossing just west of I-505, east of gravel pits 1.5 mi north of Madison, c. 10 air miles west of Woodland 37 Comment
  UCSB61618  Eclipta prostrata Ertter, Barbara 1988-10-21 Yolo Cache Creek at Rd. 89 crossing just W of I-505, E of gravel pits 1.5 mi. N of Madison, ca. 10 airmiles W of Woodland, Sacramento Valley; T10N R1W, ca. 120' Comment
  UCD39914  Ehrharta calycina Beecher Crampton 1964-4-14 s.n. Yolo UC Davis Campus, foundation of Mission. Comment
  UCD81604  Ehrharta calycina Collector Unknown 1950-6-1 s.n. Yolo Capay Valley, Bruhn Burn Plots. Comment
  UCD20163  Ehrharta erecta Bob Laben 2002-1-24 s.n. Yolo Davis. From Bob Laben's garden, 502 Oak Ave. Comment
  RSA797397  Eleocharis Keith E. Hoffmaster 1946-4-13 s.n. Yolo Putah Canyon Comment
  UCD84364  Eleocharis acicularis var. acicularis Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCD49586  Eleocharis dulcis Chong. I. Chim 1961-10-18 s.n. Yolo Water Chesnut. Origin: Commercial source. Comment
  UCD49593  Eleocharis engelmannii W. D. Norton 1927-8-1 765 Yolo Yolo County. Comment
  UCD49594  Eleocharis engelmannii W. A. Harvey 1950-7-10 765 Yolo Rice Field southwest of Woodland, Yolo County, California. Comment
  UCD49750  Eleocharis macrostachya M. Wiesendanger 1927-4-29 630 Yolo Common Spike Rush. Madison. Comment
  UCD49818  Eleocharis macrostachya Collector unknown Date Unknown s.n. Yolo Yolo County, California. Comment
  UCD81432  Eleocharis palustris M. Wiesendanger 1927-4-29 s.n. Yolo Madison.. Comment
  SBBG26341  Eleusine indica B. Crampton 1964-7-29 7135 Yolo University of California Davis campus Comment
  SEINET238862 Image available Eleusine indica Beecher Crampton 1977-9-8 9524 Yolo Davis UC Davis campus quad lawn. Comment
  UCD61266  Eleusine indica June McCaskill 1957-7-22 531 Yolo In front of Room 9, Temporary Building 4, University of California, Davis. Comment
  SEINET3929192  Eleusine indica Beecher Crampton 1952-10-3 852 Yolo Yolo County, City of Davis.; 0 Comment
  UCD61907  Elymus glaucus R. Tofsrud 1951-1 Yolo Agronomy Division Grass Garden, Davis. Comment
  POM205418  Elymus multisetus A. A. Heller 1902-5-21 5577 Yolo Near Madison Comment
  CAS-BOT-BC213816  Elymus repens Beecher Crampton 1962-5-4 6401 Yolo Davis, Southern Pacific RR station Comment
  UCD37510  Elymus repens Beecher Crampton 1961-3-13 5828 Yolo Yolo County, city of Davis, Southern pacific Railroad Station. Comment
  UCD62560  Elymus repens Beecher Crampton 1961-5-2 5862 Yolo Southern Pacific Railroad Station, Davis. Comment
  SBBG115723  Elytrigia repens B. Crampton 1962-5-4 6401 Yolo city of Davis, Southern Pacific Railroad Stn Comment
  UCD105365  Epilobium brachycarpum G. K. Helmkamp; E. A. Helmkamp 2007-9-17 12970 Yolo Sacramento Valley: along CA-16 at Madison, at junction with County Road-89, about 9 miles west of Brower's Corner in Woodland. 43 Comment
  UCD73734  Epilobium brachycarpum Ayzik Solomeshch 2004-5-28 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  UCD80945  Epilobium brachycarpum Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5348 Yolo City of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Old rodeo area. Buildings gone now. 9 Comment
  UCD105383  Epilobium brachycarpum P. B. Kennedy 1920-6-23 s.n. Yolo Clarksburg-Sacramento River. Comment
  UCD35450  Epilobium brachycarpum Beecher Crampton 1956-9-28 3873 Yolo 3 miles west of Davis. Comment
  UCD36091  Epilobium brachycarpum Beecher Crampton 1952-10-12 859 Yolo 5 miles west of city of Davis, on Winters Road. Comment
  UCD37037  Epilobium campestre Beecher Crampton 1956-7-13 3706 Yolo Yolo Bypass. Comment
  UCD41055  Epilobium campestre Carol W. Witham 2003-8-8 986 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD84312  Epilobium campestre Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCD38841  Epilobium campestre Beecher Crampton 1958-6-27 4989 Yolo Along County Road 99. ca. 3 miles northwest of Davis. Comment
  CHSC79326  Epilobium canum subsp. canum Beecher Crampton 1975-11-18 9338 Yolo Ca. 6 miles west of Winters along Hwy. 128. Comment
  UCD34064  Epilobium canum subsp. latifolium Beecher Crampton 1975-11-18 9338 Yolo Vaca Mountains. Putah Creek Canyon entrance, ca. 6 miles west of Winters along Hwy. 128. Comment
  UCD120658  Epilobium cleistogamum Ellen Dean; Mary Schiedt 2012-7-12 7420 Yolo Dept. of Fish and Game Glide Tule Ranch. Large vernal pool near barn SW of intersection of county roads 38 and 106 (entrance gate to land). 6 Comment
  UCD146825  Epilobium cleistogamum Carol W. Witham 2003-4-11 939 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCR212350  Epilobium cleistogamum Ayzik Solomeshch 2003-5-30 s.n. Yolo Dept. of Fish and Game Glide Tule Ranch, about 8 miles SE of Davis 6 Comment
  UC762770  Epilobium foliosum R. F. Hoover 1938-4-23 3203 Yolo Grade on Rumsey-Arbuckle Rd. Comment
  CAS-BOT-BC57095  Equisetum X ferrissii Clarence R. Quick 1969-6-14 69 -12 Yolo Garden, Merritt Island, near junction of county roads #140 & 142, 3.5 miles south of Clarksburg Comment
  CAS-BOT-BC56956  Equisetum arvense C. R. Quick 1972-7-22 72 -15 Yolo East bank of Merrit Island at junction of road 142 Comment
  UCD70568  Equisetum arvense Art Shapiro 1998-4-10 s.n. Yolo City of Davis, UC Davis campus. Parking lot N of La Rue Ave. tennis courts. In gravelly non-native soil in divider. Prostrate mat at ground level. Comment
  SEINET11614512  Equisetum hyemale subsp. affine Unknown 1997-4-25 5 Yolo 200 m downstream from Monticello Dam along W bank of Putah Creek 150 Comment
  UCD150635  Equisetum hyemale subsp. affine Sandy Pereira 1980-5-24 s.n. Yolo Six miles N of Winters, Putah Creek Fishing [illegible] #5. 121 Comment
  POM307392  Equisetum hyemale var. affine Lyman Benson 1949-6-15 13732 Yolo Sacramento River levee, 10 miles NW of Sacramento. Sacramento River drainage area. 15 Comment
  UCD135611  Equisetum laevigatum Beecher Crampton 1975-1-20 9105 Yolo North of Elkhorn Bridge over the Sacramento River. IS Hwy.5. Comment
  UCD40550  Equisetum laevigatum Collector Unknown 1974-4-27 114 Yolo 1/2 mi. northeast of Guinda riverbed in Cache Creek. 121 Comment
  SEINET9352879  Eragrostis Unknown 1976-9-9 Yolo Davis Comment
  RSA653961  Eragrostis cilianensis Beecher Crampton 1966-10-11 7811 Yolo UC Davis agronomy field. Comment
  UCD149339  Eragrostis cilianensis Carl Schoner 1955-9-1 s.n. Yolo City of Woodland. 25 Comment
  UCD32818  Eragrostis cilianensis Beecher Crampton 1964-7-28 7132 Yolo Yolo County, UC Davis campus, central garage. Comment
  UCD36486  Eragrostis cilianensis Beecher Crampton 1953-10-15 1685 Yolo Yolo County, city of Davis, University of California Agronomy Plots. Comment
  CAS-BOT-BC213550  Eragrostis curvula P. B. Kennedy 1915-1-1 s.n. Yolo Davis Comment
  OBI21801  Eragrostis curvula Lewis S. Rose 1967-6-11 67101 Yolo 2 mi NW of Woodland 6 Comment
  UCD62995  Eragrostis curvula Beecher Crampton 1965-4-27 7299 Yolo 3 miles northwest of Dunnigan County Road 2 just east of its junction with County road 86. Comment
  UCD63088  Eragrostis curvula Beecher Crampton 1962-8-27 6641 Yolo Yolo County, 4 miles south of Woodland, at junction of County Roads 98 and 25A. Comment
  UCD63090  Eragrostis curvula Beecher Crampton 1969-10-30 8528 Yolo 4 miles west of Davis. County Road 97 near its junction with County Rd. 31. Comment
  CHSC83242  Eragrostis curvula var. curvula Beecher Crampton 1962-8-27 6641 Yolo 4 miles south of Woodland, at junction of County Roads 98 and 25A. Along roadshoulder. Comment
  UCD63209  Eragrostis hypnoides R. Tofsrud 1942-11-1 163 Yolo Near Davis. Comment
  SEINET238195 Image available Eragrostis megastachya Beecher Crampton 1966-10-11 7811 Yolo UC Davis agronomy field. Comment
  UCD36491  Eragrostis mexicana subsp. virescens Beecher Crampton 1953-10-15 1690 Yolo Yolo County, city of Davis, University of California campus, greenhouse flats. Comment
  UCD36497  Eragrostis mexicana subsp. virescens Beecher Crampton 1953-10-16 1702 Yolo Yolo County, 4 miles east of city of Davis, along U.S. Highway 40. Comment
  UCD37826  Eragrostis mexicana subsp. virescens Beecher Crampton 1961-11-15 6079 Yolo Yolo County, city of Davis, University of California campus, around parking area and greenhouse north of Robbins Hall. Comment
  UCD64025  Eragrostis mexicana subsp. virescens A. A. Beetle 1942-10-1 1897 Yolo Davis. Comment
  UCD63405  Eragrostis minor Beecher Crampton 1967-10-16 8217 Yolo UC Davis agronomy field. Comment
  UCD63436  Eragrostis minor A. A. Beetle 1942-10-1 1894 Yolo near Davis. Comment
  CAS-BOT-BC242654  Eragrostis pectinacea var. pectinacea Beecher Crampton 1953-10-15 1684 Yolo City of Davis, University of California Agronomy Plots Comment
  SEINET8465061 Image available Eragrostis pilosa Beecher Crampton 1953-10-16 1701 Yolo Sacramento Valley; 4 mi east of city of Davis, along US Hwy 40 Comment
  SEINET10753542  Eragrostis poaeoides B. Crampton 1953-10-15 Crampton 1686 Yolo City of Davis, University of California Agronomy Plots. Comment
  UCD37498  Eragrostis tef Beecher Crampton 1960-9-21 5781 Yolo Yolo County, city of Davis, University of California Agronomy Plots. Comment
  UCD65679  Eremopyrum triticeum Beecher Crampton 1963-4-29 Yolo UC Davis Campus, Agronomy Experimental Area. Row G 11-13. Comment
  CHSC79409  Eriochloa Beecher Crampton 1955-8-22 3136 Yolo Agronomy experimental plots, UC Davis campus. Comment
  UCD14586  Eriochloa Greg Elmore 1985-8-12 s.n. Yolo Yolo Co.; Road 101 between Roads 14 and 15, approximately 5 miles north of the town of Woodland; Comment
  UCD32790  Eriochloa Beecher Crampton 1954-9-1 2264 Yolo U.C. Agronomy, strawberry clover plots. Comment
  UCD38519  Eriochloa Beecher Crampton 1955-8-22 3136 Yolo Agronomy experimental plots, UC Davis Campus. Comment
  CAS-BOT-BC278501  Eriochloa contracta Beecher Crampton 1955-9-6 3148 Yolo Along County Road 29, about 5 miles northwest of Davis Comment
  UCD65723  Eriochloa contracta Beecher Crampton 1962-10-30 6708 Yolo 2 miles north Davis. Comment
  UCD65724  Eriochloa contracta Beecher Crampton 1963-9-18 6895 Yolo N.W. Davis, Anderson Road. Comment
  UC638703  Eriodictyon californicum Ethel Crum 1938-5-7 1998 Yolo four mi n Rumsey (Cache Creek Canyon); Inner North Coast Range, Cache Creek Canyon 152 Comment
  UCD149378  Eriodictyon californicum Trongren 1956-1 s.n. Yolo Dunnigan foothills. 184 Comment
  CDA40323  Eriodictyon californicum T. C. Fuller 1958-4-23 352 -58 Yolo 1 mile north of Rumsey. 0 Comment
  SEINET3000771  Eriogonum dasyanthemum Rivina Beans 1913-10-9 s.n. Yolo Guinda Comment
  UCD81048  Eriogonum nudum Agnieszka Zalicka; with PLB 102 class 2009-4-26 7 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. In a side canyon on the east side of Bray canyon with a tributary of Bray Creek. 147 Comment
  SEINET5728877 Image available Eriogonum umbellatum Mohamed Shagrun 1960-1 s.n. Yolo University farm, University of California; Davis Comment
  UCD132168  Eriophyllum lanatum Shirley L. Cotter 1952-4-27 3457 Yolo Along Putah Creek, 1 mile west of Winters. Comment
  RSA695586  Eriophyllum lanatum var. achilleoides Keith E. Hoffmaster 1939-4-26 935 Yolo Putah Canyon. Comment
  UCD103060  Erodium botrys G. F. Hrusa 1996-4-10 12744 Yolo Central Valley, W side of Tule Canal, 1/2 miles N of Interstate 5 and 4 m. S of Woodland. 20 Comment
  UCD21261  Erodium botrys J. Shepard 2000-4-30 151 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, on the south side, beyond parking lots on south side, in a rectangular depressed area. 12 Comment
  SEINET8526772  Erodium botrys G. Cook 1959-3-27 10 Yolo Collected 2 miles east of Davis, found along highway 99 W 15 Comment
  CDA4399  Erodium cicutarium D. G. Kelch 2007-5-18 7 .321 Yolo Yolo Causeway, 0.4 mi E of Levee Rd. / RR crossing. Comment
  UCD103143  Erodium cicutarium Collector unknown 1925-6-3 1687 Yolo Causeway. Comment
  UCD103164  Erodium cicutarium Edward J. Hall 1951-3-22 2 Yolo 1 mile east of Cannon Ball, Putah Canyon. Comment
  UCD19450  Erodium cicutarium J. Shepard 2000-2-19 42 Yolo Grasslands Regional Park. East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east 1/4 mi. along unpaved entrance road; growing on north side of road. 12 Comment
  UCD56711  Erodium cicutarium Ellen Dean; M. Bibbo 2007-3-23 3404 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SW portion of ranch. 649 Comment
  UCD62868  Erodium cicutarium Tavis Forrester; Plant Biology 102 students 2008-4-6 6 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. 109 Comment
  UCD103229  Erodium cicutarium J. M. Tucker 1951-2-22 2031 Yolo Beside road along railroad to Woodland, ca. 1 mile north of Davis. Comment
  UCD103237  Erodium cicutarium M. Wiesendanger 1928-1-1 1407 Yolo Davis. Comment
  UCD103241  Erodium cicutarium Joy Woo 1989-4-18 s.n. Yolo Along H Street. Comment
  UCD21206  Erodium moschatum J. Shepard 2000-3-5 64 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. North of parking lot in archery ranges. 12 Comment
  RSA696386  Erodium moschatum Keith E. Hoffmaster 1946-04 1067 Yolo Davis. Comment
  UCD19425  Eruca vesicaria subsp. sativa A. M Shapiro 2001-7-17 s.n. Yolo West Sacramento, Harbor Blvd., 1/4 mile N. West Capitol Ave. Comment
  UCD114821  Eruca vesicaria subsp. sativa R. Tofsrud 1948-1 s.n. Yolo Agronomy Experimental Areas, UC Davis Campus. Comment
  UCD35420  Eryngium aristulatum var. aristulatum Beecher Crampton 1956-7-13 3712 Yolo Yolo bypass. Comment
  UCD80861  Eryngium jepsonii Robert E. Preston 2007-4-20 2434 Yolo 7.6 mi S of Davis, on Tule Ranch. 12 Comment
  UCD72415  Eryngium vaseyi Ellen Dean; Kate Mawdsley 2008-4-16 4820 Yolo Woodland Regional Park, SE side of Woodland, just south of the intersection of County Roads 102 and 25, Aeromodelers field, just east of road 102. 0 Comment
  SEINET5729534 Image available Erysimum capitatum Robert A. Christison 1960-1 35 Yolo 0.5 miles past Boy Scout cabin on Highway 16.; Davis 46 Comment
  UCD168496  Erysimum capitatum var. capitatum Ellen Dean; C. Thomsen and M. Hoshovsky 2017-3-29 9286 Yolo Audubon Bobcat Ranch, west side of ranch, north of Hwy 128, near western property boundary. Top of rock outcrops above Hwy 128 and Bray Canyon north of transmission power lines tower. Area has burned three times in the last three years. 241 Comment
  UCD114839  Erysimum capitatum var. capitatum Ogden C. Riddle 1942-3-29 29 Yolo across creek north of 'cannon ball,' Putah Creek. Comment
  UCD58752  Erysimum repandum A. M. Shapiro 2007-4-22 s.n. Yolo West Sacramento. Yolo Bypass. Comment
  UCD160548  Eschscholzia caespitosa Ellen Dean; Craig Thomsen 2015-3-21 8602 Yolo Audubon Bobcat Ranch. Western part of ranch, just north of Hwy 128 and N of Putah Creek. Area E of Bray Canyon at base of large escarpment labeled 'spring' on topo maps. Burned in 2014. 234 Comment
  UCD94048  Eschscholzia caespitosa Shannon M. Still 2006-3-23 54 Yolo California. Yolo County: CA-128 approx. 5 mi W of Winters, CA. 50 Comment
  UCD94057  Eschscholzia caespitosa Shannon M. Still 2006-3-23 64 Yolo California. Yolo County: Bear Valley on north side of CA-16 in turnout. 184 Comment
  CAS-BOT-BC402937  Eschscholzia californica Alice Eastwood 1927-3-28 14243 Yolo Near Winters Comment
  UCD13319  Eschscholzia californica Bill Chally 1989-5-26 14 Yolo Yolo Co. Stebbins Reserve, W of Winters, along hwy 128. T8N, R2W, Sect. 29, SE 1/4. Elev. 440 ft. 134 Comment
  UCD94051  Eschscholzia californica Shannon M. Still 2006-3-23 57 Yolo California. Yolo County: CA-128 approx 6 mi W of Winters, in larger grassy parking area between 128 and Putah Creek. 47 Comment
  CAS-BOT-BC402936  Eschscholzia californica A. A. Heller 1928-5-12 14556 Yolo Along the highway two miles north of Yolo Comment
  CDA24557  Eschscholzia californica R. E. Skaggs 1962-4-17 Yolo On railroad right of way, 1st & G Streets, Davis. 0 Comment
  RSA785385  Eschscholzia californica Lois Weston 1942-4-7 1159 Yolo University campus, Davis. Comment
  UCD95279  Eschscholzia californica Curtis Clark 1975-4-28 489 Yolo State Highway 128, 5.6 miles west of Winters. Comment
  UCD34199  Eschscholzia lobbii Beecher Crampton 1978-3-16 9549 Yolo Yolo County, 2 miles west of Winters. Comment
  UCD95362  Eschscholzia lobbii Beecher Crampton 1978-3-16 9549 Yolo 2 miles west of Winters. Comment
  UCD41128  Eucalyptus N. Nicola 2002-4-4 162 Yolo Eastern foothills of inner north coast range, Capay Valley. Farm just north of town of Capay. Comment
  SFV8293  Eucalyptus camaldulensis E. Bramlett 1966-5-13 28 Yolo Sacramento Valley CA-Highway 128, about 6 miles west from Davis. 30 Comment
  UCR228276  Eucrypta chrysanthemifolia var. chrysanthemifolia Ellen Dean, Vance Russell 2008-4-1 4690 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on west side of Putah Creek, downstream of Monticelllo Dam, west side of Bray Canyon 78 Comment
  UCD68019  Euphorbia lathyris C. P. Pease 1995-6-6 S.N. Yolo East side of University of California, Davis campus, Experimental College gardens. 16 Comment
  UCD38898  Euphorbia maculata Beecher Crampton 1959-7-6 5415 Yolo Davis. Comment
  CDA18008  Euphorbia oblongata G. F. Hrusa 1999-5-21 15050 A Yolo On SE corner of B St. and 6th St., Davis. 0 Comment
  SEINET12515071 Image available Euphorbia peplus S. T. Senewiratne 1955-4-2 28 Yolo Davis Comment
  UCD142448  Euphorbia peplus K. Esau 1933-4-20 s.n. Yolo Davis. Comment
  UCR55550  Euphorbia serpens D. L. Koutnik 1988-8-20 s.n. Yolo Sacramento Valley, city of Davis, Hanover Drive behind Lucky's Market, east of Anderson Road 23 Comment
  UCD142758  Euphorbia serpens Daryl Koutnik 1988-8-20 s.n. Yolo City of Davis on Hanover Drive behind Lucky's Market, east of Anderson Road. 22 Comment
  UCD142975  Euphorbia serpillifolia subsp. serpillifolia Ellen Dean; C. Robbins 2013-8-28 7992 Yolo Eastern edge of the City of Woodland. Property owned by the City of Woodland. North of Gibson Road extension on E side of Pole Line Rd. (County Rd. 102); north of existing sewer plant in an area that once had evaporation ponds. Area was recently used as borrow pit for the raised soil slab that has been prepared for the Woodland- Davis water treatment plant construction project (for clean drinking water.) Borrow pit is just south of that slab. 0 Comment
  UCD82337  Euphorbia spathulata Robin McMaster 1973-4-15 323 Yolo 100 yd from Hwy 16 junction with 20. Comment
  RSA518888  Euthamia occidentalis Barbara Ertter 1988-10-21 7986 Yolo Cache Creek at Rd 89 crossing just W of I-505, E of gravel pits 1.5 mi N of Madison, ca 10 airmiles W of Woodland. 37 Comment
  UCD132332  Euthamia occidentalis Daryl Koutnik; John Sowell 1978-10-27 574 Yolo Putah Creek, east of County Road 106 and west of Yolo Causeway. 6 Comment
  UCD36459  Euthamia occidentalis Beecher Crampton 1953-9-30 1631 Yolo Knights Landing, Sycamore Slough. Comment
  UCD41139  Euthamia occidentalis N. Nicola 2002-7-3 241 Yolo Eastern foothills of inner north coast range, Capay Valley. North of Guinda, Rd 43 off Hwy 16; Fullbelly Farm. Comment
  UCD98878  Fallopia convolvulus Collector unknown 1966-6-3 s.n. Yolo Agronomy, UC-Davis Campus. Comment
  UCD147287  Festuca arundinacea Carol W. Witham 2003-4-26 970 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCR119116  Festuca microstachys Beecher Crampton 1958-4-21 4724 Yolo Vaca Mountains, At the border with Colusa County line, 7.4 miles northwest of Rumsey. Hwy. 16, near jct. of Bear Crk. with Cache Crk. 198 Comment
  UCR119168  Festuca microstachys Beecher Crampton 1954-4-15 1771 Yolo Sacramento Valley, 2 miles west of city of Winters. 46 Comment
  UCR235413  Festuca myuros var. hirsuta George K. Helmkamp, E. A. Helmkamp 2012-4-17 18788 Yolo Sacramento Valley, along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland 65 Comment
  UCR257211  Festuca perennis George K. Helmkamp, Mary Alice Barnes 2013-5-8 20522 Yolo Southern Sacramento Valley, Yolo Bypass Wildlife Area, 0.9 mile southeast of the junction of Chiles Road and I-80, between Sacramento and Davis 13 Comment
  CHSC111074  Festuca roemeri var. klamathensis John Anderson 2014-6-15 Yolo Hedgerow Farm, Winters. Comment
  CDA16116  Foeniculum vulgare G. F. Hrusa 1999-8-28 15270 Yolo Sacramento Valley; Tule canal. Levee Rd., Rd. 107, +/- 1/4 mi N of I-5. Sheet 1 of 2 0 Comment
  UCD41116  Frangula californica K. Arhangelsky 2002-5-9 212 Yolo Eastern foothills of inner north coast range, Capay Valley. North of Guinda, Rd 43 off Hwy 16; Fullbelly Farm. Comment
  UCD34258  Frankenia salina Beecher Crampton 1978-6-27 9614 Yolo Yolo County, 4 miles S.E. of Woodland, T9N R2E sect. 11 N.E. 1/4. Comment
  UCD35419  Frankenia salina Beecher Crampton 1956-7-13 3711 Yolo Yolo bypass. Comment
  UCD38280  Frankenia salina B. Crampton 1952-10-31 897 Yolo Alkaline soil along railroad property. Comment
  JEPS84722  Fraxinus latifolia John W. Willoughby 1976-7-29 1806 Yolo about 1.2 mi nw State Highway 128 jct w/County Road 86 (Pleasants Valley Rd) (along State Highway 128, at fishing access to Putah Creek); Vaca Mountains, Putah Creek 60 Comment
  UCD122051  Fraxinus latifolia Cay Collette 1975-5-31 23 Yolo Knight's Landing, 15' from Sacramento River. 15 Comment
  RSA700903  Fraxinus oregona Keith E. Hoffmaster 1939-4-26 s.n. Yolo Putah Canyon. Comment
  UCD116326  Fremontodendron californicum Cyd Yonker 1991-5-6 5 Yolo East side of Russell Boulevard and Highway 113, Davis. Comment
  SEINET6947381  Fremontodendron californicum J. B. Taft 1988-8-18 535 Yolo University of California, Davis campus. Comment
  UCD139659  Fritillaria agrestis J. M. Tucker 1955-3-13 2759 a Yolo ca. 3 miles northeast of Davis. Comment
  UCD139708  Fritillaria pluriflora T. I. Storer 1932-3-14 s.n. Yolo Capay Valley, near Rumsey. Comment
  SEINET5711498  Gaillardia aristata June McCaskill 1971-1 767 Yolo Cultivated in Robbins Hall courtyard, University of California, Davis.; Davis Comment
  CAS-BOT-BC124037  Galium ambiguum Townsend Stith Brandegee 1892-9-20 s.n. Yolo West end of Yolo Causeway, between Sacramento and Davis, 6 Comment
  UCD162343  Galium andrewsii Craig Thomsen 2006-6-13 2665 Yolo Along ridgeline trail (accessed at turn-out across the road from Camp Haswell), approximately 0.5 mile south of Hwy 16. Yolo County park adjacent to Cache Creek. Rumsey Canyon. 457 Comment
  UCD72429  Galium andrewsii Ellen Dean 2008-4-25 4856 Yolo Tuleyome Ireland Ranch, central part of ranch along path that has been cut through chaparral to access southwestern portion of ranch. 620 Comment
  UCD164873  Galium aparine Henry House 1995-5-23 1995- 16 Yolo Davis. 15 Comment
  UCD56705  Galium aparine Ellen Dean; M. Bibbo 2007-3-23 3398 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SW portion of ranch. 649 Comment
  UCD62850  Galium aparine Elaine Chow; Plant Biology 102 students 2008-4-6 7 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. 109 Comment
  UCD121703  Galium aparine G. F. Hrusa 1998-3-21 14157 Yolo Hwy 16 along Cache Creek at the rafting put-in. Nr. Lake County line. North Coast Biodiversity Arena. 225 Comment
  UCD82328  Galium aparine Robin McMaster 1973-4-15 318 Yolo 7 mi NW Rumsey on Hwy 16. Comment
  RSA590137  Galium porrigens var. tenue Michael A. Vincent, Robert Rhode 1996-3-30 7266 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16 , ca. 2 miles S of Colusa Co. Line. Comment
  UCD121926  Galium tricornutum C. H. Justus 1965-3-23 s.n. Yolo Co. Rd. 42, Guinda. Comment
  UCD73733  Gastridium phleoides Ayzik Solomeshch 2004-5-23 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  UCR119089  Gastridium ventricosum Beecher Crampton 1952-10-27 887 Yolo Sacramento Valley, 3 miles west of city of Winters, on road to Monticello. 30 Comment
  UCD22754  Genista lydia Collector unknown 1988-2-11 s.n. Yolo Environmental Horticulture building. Comment
  UCD20374  Genista monosperma K. Esau 1932-3-10 s. n. Yolo Yolo County, UC Davis Campus. Comment
  SEINET951934  Genista monosperma Ed L. Gedling 1966-1 Yolo Cultivated in cans in Grounds Nursery, University of California campus, Davis. Comment
  UCD81774  Geranium dissectum Ellen Dean 2009-4-26 5474 Yolo Bobcat Ranch lands to the north of Hwy 128, just east of Monticello Dam. Bray Canyon. West side of Bray Creek. 76 Comment
  UCR198125  Geranium dissectum S. Olmsted, M. Atamian, R. Brush, M. Furuyama, C. Owens 2000-4-29 02 Yolo UC McLaughlin Reserve, 1 mi north of Knoxville as the crow flies, 300 m east of an old dirt road tht intersects the Yolo/Napa Co line 640 Comment
  UCD103327  Geranium dissectum Beecher Crampton 1970-5-13 8592 Yolo Davis. Comment
  UCD103334  Geranium dissectum Everett H. Everson 1951-4-19 36 Yolo Sacramento River, 9.0 miles southeast of Davis on county road 34A. Comment
  CDA23033  Geranium molle D. G. Kelch 2008-2-29 08 .016-B Yolo Winters. USDA Germplasm Center. Comment
  UCD56700  Geranium molle Ellen Dean; M. Bibbo 2007-3-23 3393 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SW portion of ranch. 649 Comment
  UCD62836  Geranium molle Elaine Chow; Plant Biology 102 students 2008-4-6 2 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. 109 Comment
  UCR196285  Gilia capitata subsp. staminea Christopher M. Bronny 2008-4-4 s.n. Yolo Central Valley, West Sacramento, land-side toe of levee on South River Road. River Mile 57.2 7 Comment
  UCD160550  Gilia clivorum Ellen Dean; Craig Thomsen 2015-3-21 8604 a Yolo Audubon Bobcat Ranch. Western part of ranch, just north of Hwy 128 and N of Putah Creek. Area E of Bray Canyon at base of large escarpment labeled 'spring' on topo maps. Burned in 2014. 234 Comment
  UCD20796  Gilia tricolor N. Nicola; C. Kremen 2001-3-16 012 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  UCD56720  Gilia tricolor Ellen Dean; M. Bibbo 2007-3-23 3413 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SW portion of ranch. 703 Comment
  SEINET5732136 Image available Gilia tricolor Roy H. Saigo 1961-1 4 Yolo 4 miles west of Winters.; Winters Comment
  UC106696  Gilia tricolor subsp. tricolor J. W. Blankinship 1893-1 Yolo Woodland Comment
  SEINET952123  Gleditsia triacanthos June McCaskill 1957-1 541 Yolo University of California, Davis. Comment
  SEINET11056142 Image available Gleditsia triacanthos June McCaskill 1957-9-3 541 Yolo In lawn on north side of Hughes Hall, University of California, Davis Comment
  UCD73133  Gnaphalium palustre Ayzik Solomeshch 2003-5-30 s. n. Yolo Department of Fish and Game Glide Tule Ranch, about 8 mi. southeast of Davis. 6 Comment
  CDA6133  Grindelia camporum D. G. Kelch 2007-5-18 7 .319 Yolo Yolo Causeway, 0.4 mi E of Levee Rd. / RR crossing. Comment
  UCD131655  Grindelia camporum G. F. Hrusa; T. D. Wilfred 1996-12-19 13594 Yolo on canal side of levee along Tule Canal approx. 1/3 mile east of Interstate 5 and 1/4 mile north of Sacramento River on south side of Yolo Bypass. 15 Comment
  UCD55500  Guillenia lasiophylla J. Shepard 2000-4-9 112 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east .1 mi. along unpaved entrance road, then north past parking lot near barn. 12 Comment
  SD48363  Gutierrezia californica E. K. Balls 1957-9-9 22687 Yolo Cache Creek, 5.8 miles northwest of Rumsey on Highway 16. 149 Comment
  UC1043522  Gutierrezia californica P. C. Everett and E. K. Balls 1954-10-19 20366 Yolo 5.8 mi nw Rumsey (on Hwy 16 to Madison); Foothill Woodland Community 152 Comment
  UCD164525  Gutierrezia californica Craig D. Thomsen 2009-5-15 2916 Yolo Camp Haswell County Park, along secondary drainage south of parking lot. 129 Comment
  UCD86151  Hainardia cylindrica Beecher Crampton 1953-5-5 1208 Yolo Yolo County, 2.5 miles northeast of city of Davis, along County Road 102. Comment
  CDA9376  Helenium puberulum G. F. Hrusa, J. Wheeler 2011-8-19 18443 Yolo Sacramento River Delta; Elk Slough, west side Sacramento River, across from Courtland. 10 Comment
  UCD161409  Helianthella californica Craig Thomsen 2006-6-10 2654 Yolo Along ridgeline trail (accessed at turn-out across the road from Camp Haswell), approximately 0.5 mile south of Hwy 16. Yolo County park adjacent to Cache Creek. Rumsey Canyon. 457 Comment
  CDA6195  Helianthus annuus T. C. Fuller 1958-7-18 889 -58 Yolo Railroad, Woodland. 0 Comment
  CDA6199  Helianthus annuus T. C. Fuller 1965-7-23 13851 Yolo On berm at base of north levee for 0.1 mile in Sacramento Bypass, 0.1 mile west of weir, 1 mile northwest of Bryte. 0 Comment
  UC1278034  Helianthus bolanderi B. Crampton 1957-9-30 1626 Yolo along the Southern Pacific Railroad 1 mi n Davis Comment
  SEINET4008332 Image available Helianthus bolanderi C. B. Heiser, W. Meagher; M. Meagher 1946-1 1851 Yolo 4.7 miles north of Yolo, Comment
  SEINET9330527  Helianthus bolanderi Unknown 1953-9-30 1626 Yolo 1 mi N of city of Davis, along RR. UC Davis Herbarium, The Beecher Crampton Herbarium Collection Comment
  UCD41088  Heliotropium N. Nicola 2003-7-3 400 Yolo Sacramento Valley, Davis residence. Comment
  UCD119427  Heliotropium curassavicum var. oculatum P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co., Clarksburg -- Sacramento River. Comment
  UCD35650  Heliotropium curassavicum var. oculatum Beecher Crampton 1959-6-11 5353 Yolo West Sacramento. Comment
  UCD81552  Heliotropium curassavicum var. oculatum W. W. Robbins; W. D. Norton 1928-8-1 1423 Yolo near Clarksburg. Comment
  UC1563849  Heliotropium europaeum Barbara Ertter 1988-10-21 7983 Yolo e. of gravel pits 1.5 mi. n. of Madison (ca. 10 airmiles w. of Woodland, Cache Creek at Rd. 89 crossing just w. of I-505); Sacramento Valley, Cache Creek 36 Comment
  UCD161036  Heliotropium europaeum Craig Thomsen 2006-6-30 2612 Yolo Camp Haswell. West side of Cache Creek. 144 Comment
  SFV3122  Heliotropium europaeum W. R. Russell 1965-6-21 s. n. Yolo Sacramento Valley In garden at Russell residence. Sharon Ave., Binning subdivision, about 2 miles north of Davis. Comment
  SBBG115851  Helminthotheca echioides B. Crampton 1985-7-12 10000 Yolo Davis, along 4th Street between University Ave and A Street Comment
  UCD23195  Hemizonia congesta subsp. luzulifolia A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCD133000  Hemizonia congesta subsp. luzulifolia Wm. E. Moon 1961-10-27 s.n. Yolo ca. 7 miles west of Davis. County Road 95. Wm. E. Moon Ranch. Comment
  UCR220398  Hemizonia fitchii Jean V. Shepard 2000-8-26 336 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, from intersection of I-80 and Mace Blvd., 3.5 miles south on Mace Blvd. (County Rd 104), east along unpaved entrance road, south side between road and parking lot 12 Comment
  CDA32974  Hemizonia pungens Dave Minnesang & Phyllis Hiatt 1979-6-7 Yolo South of Davis on Road 106; Glides Tule Ranch. 0 Comment
  RSA0089366  Hemizonia pungens Tom Kearney 1973-3-12 s.n. Yolo West side of Sacramento River, about 5 miles north of Knights Landing. Comment
  POM215221  Hemizonia pungens subsp. pungens D. D. Keck 1933-10-28 2591 Yolo 0.5 mile E of Yolo Causeway, 3 miles W of Sacramento River. Comment
  UCD169009  Herniaria hirsuta var. cinerea Ellen Dean; E. Moores and M. Hoshovsky 2017-4-7 9312 Yolo Audubon Bobcat Ranch. Lands to the north of Hwy 128, northwest of ranch headquarters. On north side of undeveloped road, near stock pond, beneath Rattlesnake Rock. Area has burned three times in the last three years. 262 Comment
  JEPS29502  Hesperevax acaulis var. robustior R. F. Hoover 1938-4-23 3188 Yolo grade on Rumsey-Arbuckle Road Comment
  JEPS122880  Hesperolinon disjunctum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 627 Yolo North side of Rayhouse Rd. along north shore Davis Reservoir on McLaughlin Reserve (just east of intersection of Road 40 and Road 8052) Comment
  JEPS122881  Hesperolinon micranthum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 628 Yolo Along top of slope west of fire road at top of Rayhouse Rd east of Davis Reservoir Comment
  SBBG50766  Heteromeles arbutifolia J. Kruse 1969-5-28 29 Yolo jct of Pleasants Valley Rd and Putah Crk Rd; 10 mi W of Davis 76 Comment
  UCD113335  Heteromeles arbutifolia M. I. Wibawa 1996-6-2 28 Yolo Along weedy roadside, Rd 87-E, 1 mi S of Hwy 128, 2 mi W of city of Winters. 17 Comment
  UCD96934  Heteromeles arbutifolia Ellen Dean; C. Loughran, A. Fuller 2011-5-8 7000 Yolo Yolo County. Audubon Bobcat Ranch. Lands to the north of Hwy 128, just E of Monticello Dam. Bray Canyon. Lower reaches of canyon on west side of Bray Creek. Comment
  UCD35254  Heterotheca oregona Beecher Crampton 1954-9-9 2267 Yolo 2 miles west of Winters. Comment
  JEPS84586  Heterotheca oregona var. compacta John W. Willoughby 1979-8-13 4432 Yolo 1.2 mi nw Pleasant Valley Road (fishing access along State Highway 128); Putah Creek 60 Comment
  UCD142960  Heterotheca oregona var. oregona Ellen Dean; N. Gonzales 2013-8-8 7933 Yolo Downstream of Monticello Dam along Hwy 128, north side of Putah Creek in Putah Creek Vegetation Survey Plot INT 2B. 48 Comment
  UCD18444  Hibiscus trionum A. M. Shapiro 2000-7-1 s.n. Yolo city of Woodland, near railroad tracks and Gibson Rd. Comment
  JEPS84637  Hirschfeldia incana John W. Willoughby 1976-7-29 1807 Yolo Putah Creek, at fishing access along State Highway 128 about 1.2 mi NW of the junction of the highway and County Road 86 (Pleasants Valley Road) 60 Comment
  UCD20862  Hirschfeldia incana N. Nicola 2001-2-5 079 Yolo Sacramento Valley, 4 miles west of Woodland, at Cache Creek Nature Preserve, riparian zone of Cache Creek. Comment
  UCD55483  Hirschfeldia incana J. Shepard 2003-6-15 608 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east on unpaved entrance road .1 mi. to parking lot on south side of road. 12 Comment
  UCD41019  Hordeum brachyantherum Carol W. Witham 2003-4-11 949 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCR152272  Hordeum brachyantherum Beecher Crampton 1953-4-11 1072 Yolo 6 mi SE of Woodland, near ditch supplying rice field Comment
  POM205107  Hordeum depressum A. A. Heller 1902-4-30 5422 Yolo Black's Comment
  SBBG115384  Hordeum depressum B. Crampton 1985-4-10 9913 Yolo ca. 3.5 mi SE of Woodland Comment
  UCD21388  Hordeum depressum J. Shepard 2001-4-13 432 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east 0.5 miles along unpaved entrance road. Then, south 400 yards, located west of south (large) vernal pool just west of Department of Defense fence. 12 Comment
  UCD21402  Hordeum depressum J. Shepard 2001-5-6 446 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east 0.5 miles along unpaved entrance road, and south about 400 yards. About 50 yards north of northern most large vernal pool straddling Department of Defense fence, approximately 5 yards west of fence. 12 Comment
  UCD34469  Hordeum depressum Beecher Crampton 1985-4-10 9913 Yolo 3.5 miles S.E. of Woodland. Comment
  UCD35375  Hordeum depressum Beecher Crampton 1956-4-9 3241 Yolo Winters. Comment
  UCD85602  Hordeum depressum Beecher Crampton 1955-3-21 2332 Yolo 2.5 miles northeast of city of Davis, along Road 102. Comment
  UCD85633  Hordeum depressum R. Tofsrud 1949-4-1 s.n. Yolo Davis Railroad Tower. Comment
  UCD85634  Hordeum depressum R. Tofsrud 1949-4-1 s.n. Yolo Davis Railroad Tower. Comment
  UCD21264  Hordeum marinum subsp. gussoneanum J. Shepard 2000-4-30 154 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, on the south side, past parking lots in field. 12 Comment
  UCD34860  Hordeum marinum subsp. gussoneanum Beecher Crampton 1964-4-7 6919 Yolo 2 miles north of Davis, City Dump. Comment
  UCD84326  Hordeum marinum subsp. gussoneanum Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCD164512  Hordeum murinum Craig Thomsen 2006-5-4 2690 Yolo Camp Haswell County Park. At edge of large turnout, just west of Hwy 16. 137 Comment
  UCD73581  Hordeum murinum Ellen Dean; Elizabeth Goebel 2008-4-7 4724 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat in the northeastern part of the ranch that is accessed by a private road at the end of Moody Slough Road. 70 Comment
  UCD85940  Hordeum murinum E. G. Cakin 1947-3-27 s.n. Yolo Vacant lot in Davis. Comment
  UCD86241  Hordeum murinum P. B. Kaufman 1950-3-19 12 Yolo Davis. UC Davis. Comment
  UCD86487  Hordeum murinum M. Wiesendanger 1927-4-29 587 Yolo Davis. Comment
  SEINET9335722  Hordeum murinum Unknown 1962-4-2 6098 Yolo Winters Comment
  CAS-BOT-BC284774  Hordeum murinum subsp. glaucum John Thomas Howell 1954-5-15 s.n. Yolo Woodland Comment
  UCD86243  Hordeum murinum subsp. glaucum R. Koch 1996-6-1 17 Yolo Davis. Along bike path in West Davis. 15 Comment
  UCD86473  Hordeum murinum subsp. glaucum R. Tofsrud 1949-4-1 s.n. Yolo Davis. Comment
  UCD86474  Hordeum murinum subsp. glaucum R. Tofsrud 1949-4-1 s.n. Yolo Davis. Comment
  UCR151575  Hordeum murinum subsp. glaucum Beecher Crampton 1962-3-30 6096 Yolo Sacramento Valley, City of Davis 15 Comment
  UCD147294  Hordeum murinum subsp. leporinum Carol W. Witham 2003-4-11 942 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD36326  Hordeum murinum subsp. leporinum Beecher Crampton 1953-5-26 1343 Yolo Davis. Vacant lot. Comment
  UCD86127  Hordeum murinum subsp. leporinum Cay Collette 1975-4-12 4 Yolo Knight's Landing. Along levee. Approx. 100' from Sacrameto River. 15 Comment
  UCD86132  Hordeum murinum subsp. leporinum Beecher Crampton 1953-1-23 969 Yolo Davis. In a lawn. Comment
  UCR151941  Hordeum murinum subsp. leporinum Beecher Crampton 1963-3-2 6712 Yolo Sacramento Valley, UC Davis campus, dormitory-orchard area 16 Comment
  CDA2212  Hordeum murinum subsp. leporinum Margaret Bellue 1933-6-3 Yolo 0 Comment
  UCD14597  Hordeum stebbinsii Wendy Weber 1989-6-10 22 Yolo Davis, at the east end of Loyola Road, 1/4 mile north along a drainage ditch, near 'Anderson Ranch. 13 Comment
  CDA30587  Hypochaeris glabra M. Beyers 2010-5-12 443 Yolo Nr. Esparto, east side of County Road 87, where it bridges Cache Creek on its north. 55 Comment
  SEINET7247646  Ipomoea alba June McCaskill, Katherine Onaga 1962-1 659 Yolo To top of 5 foot wooden fence in backyard at 816 Miller Drive, Davis Comment
  CAS-BOT-BC88641  Isatis tinctoria B. Crampton 1955-4-14 2499 Yolo Along road shoulder of US Highway 99 west of Zamora. Comment
  CAS-BOT-BC324751  Iva axillaris Beecher Crampton 1959-5-11 5206 Yolo About 7 miles west of Winters, Vaca Mtns., margin of flood plain of Putah Creek Comment
  UCD63352  Iva axillaris subsp. robustior Daniel Sanchez-Mata 2006-6-15 s.n. Yolo Winters-Moskowite Corners. Putah Creek Public Fishing Area. 70 Comment
  UCD22766  Jasminum mesnyi Collector unknown 1988-2-8 s.n. Yolo Collected at Mrak quad. Comment
  SACT002741  Juglans californica S. Gossard 1974-4-18 Yolo Waldorf School, American River, California Comment
  UCD110268  Juglans hindsii G. K. Helmkamp; E. A. Helmkamp 2007-9-17 12976 Yolo West edge of Sacramento Valley: Capay Valley, Brick Chimney Canyon; along County Road-78A, 2.4 miles southwest of its junction with CA-16 and about 3 miles west of Capay. 113 Comment
  UCD143938  Juglans hindsii Ellen Dean; T. Starbuck 2013-10-5 8001 Yolo North side of Putah Creek, west of the Yolo Bypass at Los Rios Farms. Northeast of the intersection of County Roads 35 and 106. Along dirt road on edge of agricultural fields. In Putah Creek vegetation survey plot Putah Creek Sinks #3D. 4 Comment
  UCD15686  Juglans hindsii David Uyeno 1989-6-4 7 Yolo Off Covell Blvd., Davis. 22 Comment
  UCR106831  Juglans hindsii Laurie E. Miller 1974-4-21 130 Yolo Sacramento Valley, along Putah Creek, across from University of California, Davis Aquatic Pest Research Center Lab Comment
  RSA733712  Juncus Keith E. Hoffmaster 1939-4-15 924 Yolo Davis, 1 mi. north. Comment
  UCR37022  Juncus arcticus A. C. Sanders 1984-6-18 5065 Yolo Sacramento Valley, Sacramento Bypass near Bryte, just NW of Sacramento, bed of the bypass 1 mi west of the Sacramento River 5 Comment
  UC1543158  Juncus balticus Charlotte G. Nast 1936-4-17 133 Yolo n of Davis (Woodland highway) Comment
  UCD141391  Juncus bufonius Fleur Ng'weno 1989-5-8 DQ 45 Yolo D-Q University County Road 31, 9 mi. west of Davis city center. 29 Comment
  CHSC52484  Juncus patens Edward L. Wong 1975-5-31 33 Yolo At streamside, 6.3 miles west of Winters from intersection of Railroad Avenue and Grant Avenue on State Highway 128. 121 Comment
  UCD20745  Juncus patens E. Dean; with M. Bibbo 2002-7-5 1150 Yolo McLaughlin UC Reserve. Clover Valley, W of main road that goes N-S through the valley, alongside of dried drainage, S of stock pond. 457 Comment
  UCD59382  Juncus xiphioides Ellen Dean; Kate Mawdsley 2007-6-8 3857 Yolo Tuleyome Ireland Ranch, Inner Coast Ranges, northwest of the city of Winters, between Salt Creek and Enos Creek, just N of Wild Cow Mtn. Central part of ranch below main loop road. Near dried stock pond and the small drainage that feeds it. 584 Comment
  SEINET8055970 Image available Juniperus chinensis June McCaskill 1959-1 588 Yolo Student health center, University of California Comment
  UCD20533  Juniperus oxycedrus Andrew T. Leiser 1984-3-18 s.n. Yolo Yolo County, Clarksburg, Clarksburg Community Church. Comment
  SEINET11740923  Juniperus oxycedrus A. T. Leiser 1984-3-18 s.n. Yolo Clarksburg, Clarksburg Community Church Comment
  SEINET7249302 Image available Justicia spicigera June McCaskill 1958-1 551 Yolo Landscape Management Greenhouse at Field Headquarters, University of California, Davis. Comment
  UCD160038  Keckiella lemmonii Catherine Koehler 2013-6-11 s.n. Yolo McLaughlin UC Reserve. Clover Valley, where chaparral comes close to the road, past Seabloom Meadow. 457 Comment
  UCD160039  Keckiella lemmonii Catherine Koehler 2013-6-11 s.n. Yolo McLaughlin UC Reserve. Erysimum Hill behind Mine Pit. 518 Comment
  UCD41144  Keckiella lemmonii C. Holn 2002-1 237 Yolo Eastern foothills of inner north coast range, Capay Valley. Just north of Rumsey, Rd. 41, Lowrey Ranch. Comment
  RSA140618  Kickxia elatine John H. Thomas 1960-8-30 8870 Yolo 5 miles S of Winters along Hwy to Vacaville. Comment
  UCD123847  Kickxia elatine Roy Y. Berg 1964-6-29 8183 Yolo University of California at Davis, Arboretum, along Putah Creek in Redwood Area. Comment
  UCD123884  Kickxia elatine Daryl Koutnik; John Sowell 1978-10-27 579 Yolo one mile south of Putah Creek, east of county road 106 and west of Yolo Causeway. 6 Comment
  UCD149374  Kickxia elatine Collector Unknown 1952-1 s.n. Yolo City of Esparto. 58 Comment
  UCD21314  Kickxia elatine J. Shepard 2000-5-20 263 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. Parking lot on north side of entrance road. 12 Comment
  UCR5801  Kickxia elatine O. F. Clarke 1966-8-5 660805- 01 Yolo Davis Comment
  UCD123841  Kickxia elatine Collector Unknown Date Unknown s.n. Yolo Campus, Davis. Comment
  UCD123845  Kickxia elatine Collector Unknown 1924-8-2 s.n. Yolo Muir Farm, Davis. Comment
  UCD123853  Kickxia elatine H. R. Drever 1945-8-18 s.n. Yolo University of California campus, Davis. Comment
  UCD123882  Kickxia elatine P. B. Kennedy 1917-9-14 s.n. Yolo Plats, Davis. Comment
  UCR118991  Koeleria gerardi Beecher Crampton 1965-4-27 7298 Yolo Sacramento Valley, 2 miles northwest of Dunnigan; county road between forks of Buckeye Creek. 14.5 Miles north of Copay 30 Comment
  UCD133525  Lactuca saligna J. D. Skoss 1948-8-12 83 Yolo Armstrong Tract, University of California campus, Davis. Comment
  SEINET10945189  Lactuca sativa Stephanie Frischie 2000-10-14 Frischie 140 Yolo Davis Farmers' Market, Davis, CA. Comment
  UCD133534  Lactuca serriola A. S. Crafts 1926-7-8 419 Yolo University Farm Campus. Davis. Comment
  UCD159453  Lactuca serriola D. S. Park 2010-8-5 208 -2 Yolo North Davis. Along W Covell Blvd. Roadside, disturbed. Outskirts of agricultural field. Growing in ditch. 14 Comment
  UCD168436  Lactuca serriola Ellen Dean 2017-3-15 9258 Yolo Audubon Bobcat Ranch, lands north of Hwy 128, just east of Monticello Dam. Bray Canyon and vicinity on the western side of ranch. Ranch burned once each year in 2014, 2015, 2016. 2017 has been a high rainfall year. Lower reaches of Bray Canyon. 62 Comment
  UCD38757  Lactuca serriola Beecher Crampton 1957-10-25 4639 Yolo West Sacramento, along the US Hwy. 40 freeway. Comment
  UCR119028  Lactuca serriola Beecher Crampton 1954-10-20 2297 Yolo Sacramento Valley, 5 miles east of Davis. 15 Comment
  UCD35198  Lactuca serriola Beecher Crampton 1953-9-30 1629 Yolo 3 miles northeast of Davis. Comment
  POM53164  Lagophylla minor C. F. Baker 1903-5-8 2892 Yolo Cache Creek canyon Comment
  UCD59317  Lagophylla ramosissima Ellen Dean; Kate Mawdsley 2007-5-11 3741 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Central part of ranch near western portion of loop road. 638 Comment
  CAS-BOT-BC341454  Lagophylla ramosissima Mabel Wiesendanger Phillips 1925-6-3 s.n. Yolo Causeway Comment
  RSA409533  Lamium amplexicaule Glenn A. Gorelick 1966-3-22 s.n. Yolo Behind Hoagland Hall, UCD [Univ. of California Davis] campus. Comment
  UCD124754  Lamium amplexicaule Beecher Crampton 1955-3-7 2317 Yolo city of Davis, University of California Agronomy Plots. Comment
  UCD125081  Lamium amplexicaule H. T. Hartmann 1942-4-5 s.n. Yolo University Orchard, Davis, CA. Comment
  UCD37782  Lamium amplexicaule Beecher Crampton 1962-3-13 6087 Yolo Davis, University of California campus, Agronomy plot east of warehouse. Comment
  UCD81027  Lasthenia californica subsp. californica Ellen Dean 2009-4-1 5370 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Western side of property, near Mavis Henson sign. 9 Comment
  UCD35472  Lasthenia californica subsp. californica Beecher Crampton 1957-4-23 3950 Yolo Yolo County; 3 miles northeast of Davis. Comment
  RSA10424  Lasthenia fremontii C. B. Wolf 1928-5-8 2144 Yolo Sacramento Valley; 12 miles north of Dixon. Comment
  UCD21372  Lasthenia fremontii J. Shepard 2001-3-23 412 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. Growing in the more northerly of two main vernal pools along the Department of Defense property fence. 12 Comment
  UCD33931  Lasthenia fremontii Beecher Crampton 1975-4-18 9160 Yolo Yolo County, 3 miles S.E. of Woodland. Comment
  UCD72407  Lasthenia fremontii Ellen Dean; Kate Mawdsley 2008-4-16 4812 Yolo Woodland Regional Park, SE side of Woodland, just south of the intersection of County Roads 102 and 25, Aeromodelers field, just east of road 102. 0 Comment
  UCD82192  Lasthenia fremontii J. Shepard 2004-4-4 661 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east 0.5 miles along unpaved entrance road. About 10 yards west of Department of Defense fence, thence south about 500 yards to swale of large vernal pool straddling fence. 12 Comment
  CAS-BOT-BC352766  Lasthenia fremontii Beecher Crampton 1996-4-22 10332 Yolo 3.5 miles SE of Woodland, along Mavis-Henson (Field) road, just E of its jct. with county road 102 and just S of road 25 Comment
  UC90069  Lasthenia fremontii J. W. Blankinship 1893-5-6 Yolo Jules. Woodland Comment
  UCD133701  Lasthenia fremontii Rolf Y. Berg 1963-3-30 s.n. Yolo opposite City Refuse Dump, Road 102 (Pole Line Road), around 1.1 miles north of Davis City limit. Comment
  UCR212288  Lasthenia glaberrima Ayzik Solomeshch 2003-5-30 s.n. Yolo Dept. of Fish and Game Glide Tule Ranch, about 8 miles SE of Davis 6 Comment
  CDA25773  Lasthenia glabrata D. G. Kelch 2008-2-11 8 .013 Yolo West Sacramento. In round formed by I-80 exit at Harbor Blvd (SE corner). 0 Comment
  UCD132537  Lasthenia glabrata Beecher Crampton 1973-4-16 8921 Yolo Saxon SW 1. Comment
  UCD133768  Lasthenia glabrata Malcolm A. Nobs; S. Galen Smith 1951-4-2 1915 Yolo along Highway #40, between Yolo Causeway and Davis. Comment
  UCD35752  Lasthenia glabrata Beecher Crampton 1953-3-16 1004 Yolo 1.5 miles north of Davis. Comment
  UC90038  Lasthenia glabrata subsp. glabrata J. W. Blankinship 1893-5-6 Yolo Woodlands Comment
  UCD21037  Lasthenia glabrata subsp. glabrata Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-4-4 223 Yolo near the city of Davis. Along Road 38, approximately 1.2 miles S of its intersection with Road 105. Glide/Tule Ranch site, pool # GLI001. 2 Comment
  UCD80830  Lasthenia glabrata subsp. glabrata Ellen Dean 2009-3-22 5287 Yolo city of Woodland. Mavis Henson Field property on the east side of county road 102, just south of county road 25. Property owned by city of Woodland. NE corner of property, E of drainage pond. 9 Comment
  UCD84340  Lasthenia glabrata subsp. glabrata Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCR212349  Lasthenia glabrata subsp. glabrata Ayzik Solomeshch 2003-5-30 s.n. Yolo Dept. of Fish and Game Glide Tule Ranch, about 8 miles SE of Davis 6 Comment
  CDA8121  Lasthenia glabrata subsp. glabrata G. D. Barbe 1987-4-3 4263 Yolo Yolo By-Pass, north of I-80, 5 miles east of Davis. 0 Comment
  RSA517748  Lasthenia platycarpha Charlotte G. Nast 1936-3-29 90 Yolo Woodland highway, N of Davis. Comment
  UCD133876  Lasthenia platycarpha K. Esau 1936-3-31 s.n. Yolo south of Woodland. Comment
  CAS-BOT-BC213335  Lathyrus jepsonii subsp. californicus C. R. Quick 1972-7-22 72 -17 Yolo On levee on east bank of Merritt Island at junction of Road 142. Comment
  CHSC116586  Lathyrus jepsonii var. californicus B. Castro; Tom Boullion 2010-5-25 1818 Yolo Sacramento Valley. Ca 6 air mi NW of Knight's Landing, ca 300 ft E of Hwy 45 opposite the 'Rough and Ready' powerhouse, on upper terrace within levee, overlooking a riprap-lined bend in the Sacramento River (River-mile 99.5). 5 Comment
  UCD106254  Lathyrus jepsonii var. californicus P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co. Clarksburg -- Sacramento River. Comment
  UCD68017  Lathyrus latifolius C. P. Pease 1995-6-6 S.N. Yolo East side of University of California, Davis campus, Experimental College gardens. Found on an uncultivated site in the partially disturbed Experimental College gardens. A climbing perennial. Flowers, pink. 16 Comment
  UCD21527  Lathyrus odoratus J. Shepard 2003-3-27 597 Yolo City of Davis, Fifth St. Community Garden. Comment
  UCD41165  Lathyrus vestitus C. Holn 2002-4-15 187 Yolo Eastern foothills of inner north coast range, Capay Valley. Just west of town of Capay. Comment
  UCD82082  Lathyrus vestitus Robin McMaster 1973-4-15 310 Yolo 3 mi NW Rumsey on Hwy 16. Comment
  CHSC83161  Laurus nobilis Pat Sullivan 1982-2-4 HN 074 Yolo Davis. University of California campus. Environmental Horticulture. Comment
  UCD20476  Laurus nobilis Pat Sullivan 1982-2-4 HN 074 Yolo California, Yolo County: Davis. University of California campus. Environmental Horticulture. Comment
  UCD39773  Lavandula stoechas Beecher Crampton 1973-5-16 s.n. Yolo UC- Davis: Tercero Area. Comment
  UCD21283  Layia chrysanthemoides J. Shepard 2000-5-1 178 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road to eastern boundary of park. South approximately 200 yards to a low area and vernal pools. A wide strip has been disked through this area. Water still in 2 pools which extend across fence into undisked area. 12 Comment
  UCD133942  Layia chrysanthemoides Ethel H. Hyde 1940-4-8 s.n. Yolo north of Davis. Comment
  UCD37912  Layia fremontii Beecher Crampton 1962-5-1 6356 Yolo Saxon Station, 7 miles southeast of city of Davis. Comment
  JEPS13434  Layia septentrionalis R. F. Hoover 1938-4-23 3196 Yolo grade on Rumsey; Arbuckle road Comment
  UC625454  Layia septentrionalis Frank W. Gould 1938-4-22 282 Yolo on road from Rumsey to, near the county line Arbuckley; Capay Valley Comment
  UCD57653  Layia septentrionalis Ellen Dean; with Kate Mawdsley 2007-4-6 3627 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Southern/Central part of ranch. 537 Comment
  UCD36094  Leersia oryzoides Beecher Crampton 1952-10-12 862 Yolo Yolo County, city of Davis, along Putah Creek. Comment
  UCD63600  Leersia oryzoides D. H. Hartmann 1941-8-17 Yolo near Woodland. Comment
  UCR119082  Leersia oryzoides Beecher Crampton 1952-10-12 862 Yolo Sacramento Valley, City of Davis, along Putah Creek. 15 Comment
  UCD33555  Leersia oryzoides Beecher Crampton 1969-10-21 8525 Yolo Yolo County, Putah Creek bed, S.E. of University airport. Comment
  SEINET10609889  Leersia oryzoides var. oryzoides Alan A. Beetle 1945-9-28 Beetle 4033 Yolo Old bed of Putah Creek among tules & cat-tails at Davis. Comment
  UCD138101  Lemna gibba June McCaskill; Roman Gankin 1959-4-24 592 Yolo near foot bridge across Putah Creek canal, University Arboretum, University of California campus, Davis. Comment
  UCD124960  Lepechinia calycina Cynthia Weed 1967-5-21 s.n. Yolo beside Putah Creek, ca. 1/2 mile east of Monticello Dam. 22 Comment
  UCD96937  Lepechinia calycina Ellen Dean; C. Loughran, A. Fuller 2011-5-8 7003 Yolo Yolo County. Audubon Bobcat Ranch. Lands to the north of Hwy 128, just E of Monticello Dam. Bray Canyon. Two thirds of the way up canyon. Comment
  UCD115210  Lepidium acutidens K. Esau 1941-4-20 s.n. Yolo North of Davis. Comment
  UCD115223  Lepidium acutidens Robert E. Preston 1996-3-23 911 Yolo ca. 1 mi N of Davis; at edge of field along E side of Rd 102. 9 Comment
  CAS-BOT-BC88748  Lepidium appelianum A. S. Crafts 1935-9-15 s.n. Yolo Woodland. Comment
  UCD115261  Lepidium appelianum A. S. Crafts 1937-9-4 s.n. Yolo Davis. Comment
  UCD115265  Lepidium appelianum A. S. Crafts 1937-9-4 s.n. Yolo Davis. Comment
  UCD115267  Lepidium appelianum A. S. Crafts 1937-9-4 s.n. Yolo Davis. Comment
  UCD115270  Lepidium appelianum A. S. Crafts 1937-9-4 s.n. Yolo Davis. Comment
  CDA37114  Lepidium chalepense D. B. Joley 1976-6-11 9 Yolo Vicinity of Clarksburg. 0 Comment
  UCD14670  Lepidium coronopus A. M. Shapiro 1997-5-18 s.n. Yolo California, Yolo Co.; Davis, on the lawn of Davis High School; Comment
  UCD82175  Lepidium dictyotum J. Shepard 2002-4-6 505 Yolo East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east 0.1 mi along unpaved entrance road, then south along north-south access road. 12 Comment
  RSA20862  Lepidium dictyotum var. acutidens C. B. Wolf 1937-3-28 8323 Yolo Sacramento Valley, 6.5 miles south of Woodland. 18 Comment
  UCD115343  Lepidium didymum G. K. Swingle 1943-5-4 s.n. Yolo Ranch. Comment
  UCD80974  Lepidium draba Ellen Dean; R. Rawson, J. Herford, A. Weidling, H. McGinnis 2009-4-1 5357 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Western side of property used by model airplane club. 9 Comment
  UCD115368  Lepidium draba M. K. Bellue 1933-5-26 s.n. Yolo Tiger Inn. Comment
  UCD115373  Lepidium draba Dr. A. S. Crafts 1936-3-10 s.n. Yolo Woodland. Comment
  UC1607602  Lepidium latifolium Barbara Ertter 1988-10-21 7987 Yolo 1.5 mi n Madison (Cache Creek at Rd 89 crossing just w of I-505, e of gravel pits, ca 10 air mi w of Woodland, Sacramento Valley); Sacramento Valley, Cache Creek 36 Comment
  UCD21287  Lepidium latifolium J. Shepard 2000-5-1 182 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road to eastern boundary of park. South approximately 200 yards to a low area and vernal pools. A wide strip has been disked through this area. Water still in 2 pools which extend across fence into undisked area. 12 Comment
  CAS-BOT-BC89746  Lepidium latifolium M. K. Bellue 1946-10-1 s.n. Yolo Lisbon District. Grain field bordering railroad. Comment
  CDA32973  Lepidium latifolium Dave Minnesang & Phyllis Hiatt 1979-6-7 Yolo South of Davis on Road 106; Glides Tule Ranch. 0 Comment
  UCD115695  Lepidium latifolium Kevin Fort Date unknown 17 Yolo 0.2 mi s. dead center. S. Putah Creek off Road 95A c. 25 yards e. bridge and 50 feet from creek. Comment
  UCD115711  Lepidium latifolium R. N. Raynor 1939-6-20 s.n. Yolo 1 mile north of Clarksburg, Lisbon Tract. Comment
  UCD41062  Lepidium latifolium Carol W. Witham 2003-8-8 993 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  HSC6847  Lepidium latipes C. B. Wolf 1928-5-8 2147 Yolo 12 mi. N of Dixon on the Pacific Hwy. Comment
  OBI59420  Lepidium latipes L. R. Heckard & J. C. Hickman, J. C. Hickman 1982-4-7 5828 Yolo At corner of rd 25A and rd 103, ca 3 mi SE of woodland Comment
  POM197463  Lepidium latipes L. R. Abrams 1928-5-8 12605 Yolo Between Woodland and Davis. Comment
  RSA479488  Lepidium latipes L. R. Heckard, J. Hickman 1982-4-7 5828 Yolo At corner of road 25A and road 103, about 3 miles SE of Woodland. Comment
  UCD115717  Lepidium latipes K. Esau; M. Phillips 1929-4-11 1889 Yolo Davis. Comment
  UCD21044  Lepidium latipes Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-4-5 230 Yolo S of the city of Davis. Along Road 38, approximately 0.25 miles S of its intersection with Road 105. Glide/Tule Ranch site, pool # GLI002. 2 Comment
  UCD23190  Lepidium latipes A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCD72404  Lepidium latipes Ellen Dean; Kate Mawdsley 2008-4-16 4810 Yolo Woodland Regional Park, SE side of Woodland, just south of the intersection of County Roads 102 and 25, Aeromodelers field, just east of road 102. 0 Comment
  UCD84330  Lepidium latipes Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  JEPS84897  Lepidium latipes var. heckardii L. R. Heckard 1981-5-30 5518 Yolo ca. 3 mi. s.e. Woodland (s. of rd. 25 & w. of rd. 103) Comment
  CAS-BOT-BC89847  Lepidium nitidum A. A. Beetle 1945-1-20 3076 Yolo West of Winters in Putah Canyon. Comment
  RSA590188  Lepidium nitidum Michael A. Vincent, Robert M. Rhode 1996-3-30 7262 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16, ca. 2 miles S of Colusa Co. Line. Comment
  UCD115782  Lepidium nitidum K. Esau; M. Phillips 1929-4-11 1890 Yolo Davis. Comment
  UCD115811  Lepidium nitidum Robert E. Preston 1996-3-23 907 Yolo SE of Woodland, NW of int Rd 25 and Rd 103. 9 Comment
  UCD144774  Lepidium nitidum Carol W. Witham 2003-4-7 900 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD41299  Lepidium nitidum Ellen Dean; Jean Shepard 2003-5-18 1803 Yolo Russell Ranch Property belonging to UC Davis, west of Davis, south of Russell Blvd. Parcels west and east of road 95A, south of Putah Creek and Stevens Bridge. 15 Comment
  UCD115777  Lepidium nitidum Roy Y. Berg 1965-2-28 RYB 8375 Yolo County Rd. 101A (extending N from H-Street along railroad tracks), 0.7 miles N of intersection with county Rd. 31. Between road and railroad track. Comment
  UCD115756  Lepidium oblongum Joseph M. DiTomaso 1995-3-30 s.n. Yolo Across from Shields library, Univ. of California, Davis. Comment
  NY76578  Lepidium oxycarpum A. A. Heller 1902-4-30 5430 Yolo Near Black's Comment
  UCD34467  Lepidium oxycarpum Beecher Crampton 1985-4-10 9911 Yolo Yolo County, 3.5 miles S.E. of Woodland. Comment
  UCD81059  Lepidium pinnatifidum Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5594 Yolo city of Woodland. Woodland Regional Park. East side of County Road 102, just south of County Road 25. Old rodeo area with bare areas where buildings used to be. 9 Comment
  UCD145065  Lepidium sativum A. M. Shapiro 2014-3-10 s.n. Yolo West Sacramento. By service road adjacent to RR embankment, ca. 1/4 mile N of West Capitol Avenue. 7 Comment
  JEPS84689  Leptochloa fascicularis John W. Willoughby 1976-7-29 1800 Yolo at junction of State Hwy 128 and County Road 86 (Pleasants Valley Road) 60 Comment
  UCR151947  Leptochloa fascicularis Beecher Crampton 1955-8-23 3138 Yolo 3 mi N of the city of Davis Comment
  CHSC106695  Leptochloa fusca subsp. fascicularis Barbara Ertter 1988-10-21 7992 Yolo Cache Creek at Rd 89 crossing just W of I-505, E of gravel pits 1.5 mi N of Madison, ca 10 airmiles W of Woodland. 36 Comment
  CAS-BOT-BC274008  Leptochloa fusca subsp. fascicularis Lewis S. Rose 1969-6-23 69041 Yolo 2 mi. sw of Knights Landing 15 Comment
  UCD63966  Leptochloa fusca subsp. uninervia Beecher Crampton 1969-10-24 8527 Yolo Davis, Road 31 just east of its junction with Pole Line Road. Comment
  UCD63976  Leptochloa fusca subsp. uninervia Beecher Crampton 1958-7-31 5056 Yolo University of California Davis, north of Hunt Hall. Comment
  RSA0078645  Leptosiphon androsaceus J A Johnston 1995-5-7 8 Yolo Across the road from the parking area near Stebbins Cold Canyon on hwy 128. 500 Comment
  UCD58088  Leptosiphon androsaceus Ellen Dean; K. Mawdsley 2007-4-6 3626 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Southern/central part of ranch. 537 Comment
  UCD23444  Leptosiphon bicolor 1947-4-10 1896 Yolo One mile northwest of Rumsey, in canyon just off Highway 16. Comment
  HSC82275  Leptosiphon ciliatus Thomas W. Nelson, Jane P. Nelson 1980-4-27 5112 Yolo Along SR 16, 100 m E of bridge over Cache Creek, 4.2 mi. from county line 152 Comment
  UCD39051  Leptosiphon liniflorus Beecher Crampton 1962-5-1 6353 Yolo 5.5 miles southeast of Davis (in direct line) jct. County Roads 106 A and 35. Comment
  UCD134051  Lessingia hololeuca P. B. Kennedy 1916-7-23 s.n. Yolo location unknown. Comment
  UCD38802  Leucanthemum vulgare Beecher Crampton 1958-5-27 4834 Yolo UC Davis campus. Hunt Hall. Comment
  CAS-BOT-BC283502  Leymus triticoides Clarence R. Quick 1972-7-24 72 -7 Yolo Road 141 and main drainage canal of Merritt Island, about 20 miles SSW of Sacramento, SE corner of county Comment
  UCD141592  Leymus triticoides Ellen Dean 2013-5-15 7763 Yolo Along Putah Creek, just East of Old Davis Rd. crossing. Plot DRR 1D of Putah Creek vegetation sampling project. 15 Comment
  UCD141594  Leymus triticoides Ellen Dean; A. Ayalon 2013-5-17 7765 Yolo Along Putah Creek, west of Old Davis Road, between Railroad overpass and HWY 80. UC Davis Putah Creek reserve Restoria site. In plot DRR 4A of Putah creek vegetation sampling project. 15 Comment
  UCD64646  Leymus triticoides Beecher Crampton 1957-5-14 4010 Yolo Knights Landing, banks of the Sacramento River. Comment
  UCD86630  Leymus triticoides A. A. Beetle 1946-6-1 4709 Yolo Davis Campus. Comment
  UCD86635  Leymus triticoides A. A. Beetle 1946-6-1 4709 Yolo Davis Campus. Comment
  SBBG115634  Limnanthes alba B. Crampton 1995-4-26 10287 Yolo 3 mi SE of Florin, Boswell Driver and Vintage Parks Comment
  CDA20718  Limonium duriusculum B. Lyon 2006-7-24 PDR 1340754 Yolo County Road 96, Woodland. Comment
  UCR225272  Limosella acaulis Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass, Glide Ranch 4 Comment
  RSA734152  Linanthus Keith E. Hoffmaster 1939-4-6 914 Yolo Putah Canyon Comment
  RSA0031661  Linanthus bicolor Keith E. Hoffmaster 1939-4-6 916 Yolo Putah can. Comment
  UCD37591  Linanthus ciliatus Beecher Crampton 1955-4-14 2489 Yolo Yolo County, 2 miles northwest of Dunnigan. Comment
  JEPS58545  Linanthus pygmaeus R. F. Hoover 1938-4-23 3191 Yolo grade on Rumsey to Arbuckle road Comment
  SEINET8190533 Image available Liriodendron tulipifera June McCaskill 1954-5-4 289 Yolo Along north side of Temporary Building 1 at southeast end of Administration Building, University of California, Davis Comment
  UC917300  Lithophragma R. B. Griffith 1949-4-11 14 Yolo 5.5 mi n Rumsey (e of Cache Creek); e of Cache Creek Comment
  UCD58025  Lithophragma affine Ellen Dean; K. Mawdsley 2007-4-6 3564 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 442 Comment
  UCD41297  Logfia gallica Ellen Dean; Jean Shepard 2003-5-18 1801 Yolo Russell Ranch Property belonging to UC Davis, west of Davis, south of Russell Blvd. Parcels west and east of road 95A, south of Putah Creek and Stevens Bridge. 15 Comment
  UCD36219  Logfia gallica Beecher Crampton 1953-4-27 1140 Yolo 2 miles northwest of city of Winters, on Road 87. Comment
  UCD36629  Lolium Beecher Crampton 1955-6-7 2819 Yolo Yolo County, city of Davis, University of California Agronomy Fields, Armstrong Tract. Comment
  UCD15236  Lolium multiflorum Claire Warshaw 1985-5-31 25 Yolo California, Yolo Co.; ca. 1 mile north on F street from Covell Blvd.; 12 Comment
  UCD21240  Lolium multiflorum J. Shepard 2000-4-9 123 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. In field south of entrance road, east of all archery ranges. 12 Comment
  UCD66016  Lolium multiflorum H. R. Drever 1945-6-23 Yolo Near Agronomy Building; University of California campus, Davis. Comment
  UCD66195  Lolium multiflorum Joy Woo 1989-5-16 12 Yolo Davis. Along railroad tracks on H. St. Comment
  UCD66226  Lolium multiflorum Beecher Crampton 1955-6-7 2819 Yolo South end of the Campbell Tract, Univ. of Calif. Davis Campus. Comment
  UCD15541  Lolium perenne Lara Hawthorne 1989-6-3 15 Yolo Covell Rd, 6 miles east of Winters. 15 Comment
  UCD66480  Lolium perenne Beecher Crampton 1965-6-29 7392 Yolo 5 miles E of Davis, Yolo Bypass. Comment
  UCD81615  Lolium perenne Collector Unknown 1925-6-3 s.n. Yolo Causeway. Comment
  RSA701647  Lolium perenne subsp. multiflorum Lois Weston 1942-4-20 s.n. Yolo Davis. Comment
  SEINET3815514 Image available Lolium perenne subsp. multiflorum George K. Helmkamp, E. A. Helmkamp 2012-4-17 18768 Yolo Sacramento Valley: along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland 65 Comment
  UCR235380  Lolium perenne subsp. multiflorum George K. Helmkamp, E. A. Helmkamp 2012-4-17 18768 Yolo Sacramento Valley, along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland 65 Comment
  CAS-BOT-BC271204  Lolium temulentum Doris K. Kildale 1928-5-8 5037 Yolo 12 miles north of Dixon Comment
  RSA10423  Lolium temulentum C. B. Wolf 1928-5-8 2145 Yolo Sacramento Valley; 12 miles north of Dixon Comment
  UCD66647  Lolium temulentum R. Tofsrud 1947-5-19 Yolo Davis. Comment
  UCR119176  Lolium temulentum Beecher Crampton 1961-6-1 5886 Yolo Sacramento Valley, 3 miles south of city of Woodland, along County Road 27. 15 Comment
  UCD41134  Lomatium dasycarpum N. Nicola 2002-4-5 164 Yolo Eastern foothills of inner north coast range, Capay Valley. Just north of Rumsey, Rd. 41, Lowrey Ranch. Comment
  SEINET13944553 Image available Lomatium marginatum L. Constance 1970-1 3881 Yolo Open grassland, Sacramento Valley, junction of Fairfield-Winters & Vacaville-Allendale roads Comment
  CDA12079  Lomatium utriculatum G. F. Hrusa 1989-4-8 5914 Yolo North Coast Biodiversity Arena; Hwy 16 and Cache Creek immed. N of Capay Valley. 76 Comment
  JEPS84631  Lomatium utriculatum John W. Willoughby 1977-3-16 1910 Yolo low foothills n. of State Hwy. 128 1.3 mi. e. of its junction w/ Pleasnats Valley Rd. (County Rd. 86) Vaca Mts. (large turnout n. side of hwy, apricot orchard s. of hwy.) 48 Comment
  UCD127722  Lomatium utriculatum James Arthur 1966-2-5 15 Yolo 3/4 mile east of Monticello Dam, State Highway 128. Comment
  UCD127795  Lomatium utriculatum K. Esau; E. Hyde 1938-5-5 s.n. Yolo near bridge at entrance to Putah Canyon. Comment
  UCD137360  Lonicera japonica M. Klapp 1996-6-4 20 Yolo north of UC Davis Campus on Oak Ave. Located around a fence at one of the residences, approximately 100 m north of Russel Blvd. 20 Comment
  CAS-BOT-BC198621  Lotus Alice Eastwood 1927-3-28 14226 Yolo Near Winters. Comment
  CDA30747  Lotus humistratus M. Beyers 2010-4-3 332 Yolo Along Highway 128, immediately adjacent to westbound traffic just northeast of Putah Creek (and Lake Solano County Park). 48 Comment
  HSC1849  Lotus humistratus J. V. Lenz 1947-3-24 Yolo Putah Canyon Comment
  UC638710  Lotus humistratus Ethel Crum 1938-5-7 1989 Yolo 4 mi n Rumsey (Cache Creek canyon); Inner North Coast Range, Cache Creek Canyon 152 Comment
  CDA33724  Lotus purshianus D. G. Kelch 2010-6-3 10 .244 Yolo 1 km E of Mace Blvd exit between Hwy I-80 and RR tracks. Comment
  CDA27309  Lotus purshianus Sartain, Rominger 1973-6-25 Yolo Buckeye Creek at Road 88, 3 miles north of Dunnigan. 0 Comment
  UCD38970  Lotus purshianus Beecher Crampton 1961-5-17 5869 Yolo 3 miles S of Woodland. Comment
  SEINET5736946 Image available Lotus scoparius Mary N. Artist 1965-1 13 Yolo 50 yards E from Recreation Beach Store and Motel, State Hwy 128. 137 Comment
  UC638709  Lotus wrangelianus Ethel Crum 1938-5-7 1990 Yolo 4 mi n Rumsey (Cache Creek canyon); Inner North Coast Ranges, Cache Creek Canyon 152 Comment
  UCR225219  Lotus wrangelianus Ayzik Solomeshch 2009-5-11 s.n. Yolo Yolo Bypass, Glide Ranch 4 Comment
  UCD66037  Ludwigia hexapetala B. J. Grewell; Robert McKee 2006-8-8 06- 32 -LU Yolo Winchester Lake, north Sacramento - San Joaquin Delta. 0 Comment
  UCD65958  Ludwigia peploides subsp. montevidensis B. J. Grewell 2007-10-16 07- 103 -LU Yolo Cache Creek immediately upstream of Rumsey Bridge, Rumsey, CA. 124 Comment
  UCD66058  Ludwigia peploides subsp. montevidensis B. J. Grewell; Robert McKee 2006-8-15 06- 38 -LU Yolo Yolo Bypass Wildlife Area within the Yolo Bypass floodplain west of the Sacramento River, east of Davis, CA, and s. of I-80 hwy. NE edge of pond across from drain canal at #3 stop on refuge auto tour map. 1 Comment
  UCD66060  Ludwigia peploides subsp. montevidensis B. J. Grewell 2005-8-23 05- 15 -LU Yolo Putah Creek at upstream of Los Rios Ranch seasonal crossing, Rd 105 and Rd 35. 7 Comment
  RSA735206  Lupinus Keith E. Hoffmaster 1939-4-6 911 Yolo Putah Canyon. Comment
  HSC81835  Lupinus albifrons var. albifrons Thomas W. Nelson, Jane P. Nelson 1980-4-27 5099 Yolo Along State Route 16, 6 mi. from Colusa County line. 152 Comment
  UCD107271  Lupinus bicolor P. B. Kennedy 1915-4-26 28 Yolo Davis. Comment
  UCD23475  Lupinus bicolor Beecher Crampton 1972-3-21 8776 Yolo Davis N-1. Comment
  UCD33892  Lupinus bicolor Beecher Crampton 1975-3-12 9110 Yolo roadbank 5 miles west of Winters. Comment
  RSA699931  Lupinus bicolor subsp. bicolor Keith E. Hoffmaster 1946-3-29 1088 . Yolo Putah Canyhon, south hill slope near Cannonball. Comment
  RSA520691  Lupinus densiflorus var. densiflorus Glenn A. Gorelick 1966-5-15 s.n. Yolo 2.2 miles N of Rumsey along Highway 16. Comment
  UCD107765  Lupinus formosus P. B. Kennedy 1916-7-23 20 Yolo Exact location unknown. Comment
  UC726767  Lupinus microcarpus var. densiflorus A. A. Heller 1940-5-9 15599 Yolo along Putah Creek five mi w Winters; along Putah Creek Comment
  UCD108764  Lupinus microcarpus var. densiflorus Collector Unknown 1952-4-21 s.n. Yolo 5 miles west of Winters, in Putah Canyon. Comment
  UCD108751  Lupinus microcarpus var. densiflorus E. H. Stanford 1940-4-28 s.n. Yolo Putah. Comment
  UC532186  Lupinus microcarpus var. microcarpus L. F. Robbins 1928-4-15 Yolo Capay Valley Comment
  UC726543  Lupinus microcarpus var. microcarpus A. A. Heller 1929-4-21 14847 Yolo Madison Comment
  UCD84345  Lupinus microcarpus var. microcarpus Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCR235433  Lupinus microcarpus var. microcarpus George K. Helmkamp, E. A. Helmkamp 2012-4-17 18780 Yolo Sacramento Valley, along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland 65 Comment
  UCD108836  Lupinus microcarpus var. microcarpus Beecher Crampton 1962-5-1 6365 Yolo 1/4 mile south Saxon Station, jct. County Roads 106 and 38. Comment
  UCD108966  Lupinus nanus K. Esau 1938-3-26 s. n. Yolo Yolo County, Putah Canyon. Comment
  UCD73584  Lupinus nanus Ellen Dean; Elizabeth Goebel 2008-4-7 4726 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat in the northeastern part of the ranch that is accessed by a private road at the end of Moody Slough Road. 70 Comment
  SFV1910  Lupinus nanus J. M. Tucker 1958-4-7 3379 Yolo North side of State Highway 128, about 2.75 miles southwest of Winters. Comment
  UCD33687  Lupinus nanus Beecher Crampton 1972-3-13 8770 Yolo 2 miles west of Winters. Comment
  UCD34394  Lupinus nanus Beecher Crampton 1982-3-8 9814 Yolo 5 miles west of Winters on Hwy. 128. Comment
  UCR118883  Lupinus pachylobus Beecher Crampton 1972-3-27 8777 Yolo Sacramento Valley, 2 miles west of Winters. 46 Comment
  NY16028  Lupinus subvexus A. A. Heller 1902-4-29 5415 Yolo Near Madison Comment
  UCD109607  Lupinus succulentus P. B. Kennedy 1915-4-26 21 Yolo Davis. Comment
  UCD81004  Lupinus succulentus Drew Maraglia 2009-4-15 7 Yolo Mavis Henson Field, owned by city of Woodland. East side of County Road 102, just south of County Road 25. Edge of road in old rodeo parking area. 9 Comment
  UCR235396  Lupinus succulentus George K. Helmkamp, E. A. Helmkamp 2012-4-17 18770 Yolo Sacramento Valley, along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland 65 Comment
  UCD109643  Lupinus succulentus M. Wiesendanger 1927-4-29 613 Yolo Woodland. Comment
  RSA733863  Lycium barbarum Keith E. Hoffmaster 1946-8-4 1254 Yolo Davis Comment
  UCD126604  Lycium barbarum Carl Schoner; June McCaskill 1972-6-19 s.n. Yolo in vacant lot along U.S. Highway 99W, in Zamora. Comment
  UCD35253  Lycium barbarum Beecher Crampton 1954-9-14 2270 Yolo east Davis. Comment
  SEINET10877215  Lycopersicon esculentum Stephanie Frischie 2000-10-7 Frischie 117 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET10910102  Lycopersicon esculentum Stephanie Frischie 2000-10-7 Frischie 115 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET10943325  Lycopersicon esculentum Stephanie Frischie 2000-10-7 Frischie 113 Yolo Davis Farmers' Market, Davis, CA. Comment
  SBBG115726  Lythrum californicum B. Crampton 1953-10-15 1692 Yolo 2 mi W of Madison Comment
  UC1619947  Lythrum californicum Barbara Ertter 1988-10-21 7991 Yolo ca. 10 airmiles w. Woodland (Cache Creek at Rd. 89 crossing just w. of I-505, e. of gravel pits 1.5 mi. n. of Madison); Sacramento Valley, Cache Creek 36 Comment
  CDA19170  Lythrum californicum Carri Benefield 2000-7-12 s.n. Yolo Sacramento Valley; Cache Creek off of Rumsey Bridge. 0 Comment
  RSA0015100  Lythrum californicum Barbara Ertter 1988-10-21 7991 Yolo Cache Creek at Rd 89 crossing just W of I-505, E of gravel pits 1.5 mi N of Madison, ca 10 airmiles W of Woodland. 37 Comment
  UCD160098  Lythrum hyssopifolia Emily Howard 2015-4-12 1 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. 188 Comment
  UCR129825  Lythrum hyssopifolia Beecher Crampton 1956-7-13 3716 Yolo Sacramento Valley, Yolo Bypass 5 Comment
  UCD19490  Lythrum hyssopifolia Terry Reedy 1974-5-7 200 Yolo 1/4 mile E of Davis boundary on County Road 32. 21 Comment
  CDA15694  Lythrum salicaria J. King, Young 1999-7-27 PDR 1202567 Yolo Sacramento Valley; West side of Sacramento R. 1/4 mi. S of Elkhorn Bridge, immed. E of Woodland. 0 Comment
  CDA5129  Lythrum salicaria David Spencer 1999-1 s.n. Yolo Cache Creek Nature Preserve. Along Cache Creek, N of Woodland Municipal Airport, upstream of gravel mining area, W of road 94B, between road 20 and Hwy 16 0 Comment
  HSC82067  Madia elegans Thomas W. Nelson, Jane P. Nelson 1980-4-27 5114 Yolo Along SR 16, 100 m E of bridge over Cache Creek, 4.2 mi. from county line 152 Comment
  JEPS119420  Madia elegans subsp. vernalis G. K. Helmkamp, E. A. Helmkamp 2009-5-20 14726 Yolo Inner Coast Range, west side of Cache Creek along CA-16, 5.5 miles southeast of the Colusa County line Comment
  HSC82081  Madia gracilis Thomas W. Nelson, Jane P. Nelson 1980-4-27 5110 Yolo Along SR 16, 100 m E of bridge over Cache Creek, 4.2 mi. from county line 152 Comment
  UCD59319  Madia gracilis Ellen Dean; Kate Mawdsley 2007-5-11 3743 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Central part of ranch near western portion of loop road. 638 Comment
  UC185752  Malacothamnus fremontii T. S. Brandegee 1899-10-20 Yolo Yolo Comment
  UCD161408  Malacothamnus fremontii Craig Thomsen 2006-5-18 s.n. Yolo Otis Camp Haswell County Park. Approximately 1/2 mile from Hwy 16. 286 Comment
  UCD169004  Malacothrix floccifera Ellen Dean; Dash Weidhofer and Audubon trip participants 2017-4-1 9305 Yolo Audubon Bobcat Ranch. Lands north of Hwy 128 and Putah Creek west of town of Winters. Area burned three times in the past three years. Central part of ranch. Ridge extending south from undeveloped road west of headquarters. Above stockpond. 137 Comment
  CAS-BOT-BC347373  Malacothrix floccifera A. A. Heller; H. E. Brown 1902-5-22 5585 Yolo Banks of Putah Creek near Winters Comment
  UCD35564  Malacothrix obtusa Beecher Crampton 1958-4-21 4716 Yolo 6.5 miles northwest of Rumsey. Northwestern Yolo County. Comment
  UCD81021  Malva nicaeensis Ellen Dean; D. Bales, M. Krug, L. Snyder, D. Dhakal, A. Franco 2009-4-1 5363 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Western side of property, near Mavis Henson sign. 9 Comment
  UCD116555  Malva nicaeensis B. Crampton 1953-4-26 1135 Yolo Davis. Comment
  UCD116614  Malva nicaeensis Howard S. Shellhammer 1959-5-2 32 Yolo On California Street directly across from south end of Haring Hall, University of California campus, Davis. Comment
  UCD149327  Malva parviflora Collector Unknown 1925-4-18 s.n. Yolo City of Davis. 15 Comment
  UCD21230  Malva parviflora J. Shepard 2000-4-1 107 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. Along north side of entrace road. 12 Comment
  UCD69416  Malva parviflora S. Quick 1996-5-19 13 Yolo City of Davis. F Street, within 10 meters of railroad tracks, between 12th and 14th Streets. Disturbed rocky field dominated by grasses. Herb dense, decumbent, flowers white. 17 Comment
  UCD116678  Malva sylvestris Mrs. Nora Cruse 1938-5-26 s.n. Yolo 412 Lincoln Ave., Woodland. Comment
  UCD116714  Malvella leprosa A. S. Crafts 1926-7-8 440 Yolo University Farm Campus, Davis. Comment
  UCD55484  Malvella leprosa J. Shepard 2003-8-31 615 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east on unpaved entrance road nearly to DOD fence, thence south 50 yd. 12 Comment
  UCD116700  Malvella leprosa W. T. Pope 1916-10-1 s.n. Yolo University Farm. Comment
  UCD116718  Malvella leprosa Charles B. Heiser Jr. 1947-5-29 1917 Yolo Davis. Comment
  UCD20789  Marah fabacea N. Nicola 2001-3-14 005 Yolo Sacramento Valley, 4 miles west of Woodland, at Cache Creek Nature Preserve, along Cache Creek. Comment
  UCD107577  Marah fabacea Collector unknown 1925-3-24 1748 Yolo Davis. Comment
  UCD107582  Marah fabacea F. H. Bolata 1912-4-1 s.n. Yolo Davis. Comment
  UCD107630  Marah fabacea B. L. Hanson 1961-3-27 12 Yolo State Highway 16 at County Road 78A, near Brooks. 91 Comment
  UCD107659  Marah fabacea Bob Threlkel 1964-3-27 1 Yolo Cache Creek, State Highway 16, 3.5 miles northwest of Rumsey. 152 Comment
  UCD107665  Marah fabacea Janey Veneman 1974-4-22 38 Yolo Under Rd. 98 bridge along Putah Creek. 15 Comment
  UCD125032  Marrubium vulgare A. S. Crafts 1926-7-8 452 Yolo University Farm Campus, Davis. Comment
  UCD15648  Marrubium vulgare Rachelle Raymond 1989-6-2 709 Yolo Outside Stebbins Reserve, on road. 121 Comment
  UCD164655  Marrubium vulgare Henry House 1995-5-27 1995- 28 Yolo Approximately 5.5 km north of the latitude of Winters, about 1.25 km west of Road 89, on the high side of Winters Canal. 53 Comment
  RSA733976  Marrubium vulgare Lois Weston 1942-4-24 1136 Yolo Putah Canyon. Comment
  UCD125034  Marrubium vulgare Charles B. Heiser 1947-6-1 1926 Yolo along Putah Creek, Davis. Comment
  POM25152  Marsilea vestita Roxana Stinchfield 1916-7-1 360 Yolo Mouth of Buckeye Creek. Comment
  UCD134593  Matricaria discoidea Walter Russell 1947-4-5 63 Yolo Campus, University Farm Davis. Comment
  UCD160167  Matricaria discoidea Heather Castro 2015-4-12 5 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, next to ranch house headquarters. 99 Comment
  UCD21218  Matricaria discoidea J. Shepard 2000-3-18 85 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. 12 Comment
  UCD73625  Matricaria discoidea Ellen Dean; Elizabeth Goebel 2008-4-7 4752 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat, west of Dry Creek road crossing. 83 Comment
  UCR257143  Matricaria discoidea George K. Helmkamp, Mary Alice Barnes 2013-5-8 20515 Yolo Southern Sacramento Valley, Yolo Bypass Wildlife Area, 0.9 mile southeast of the junction of Chiles Road and I-80, between Sacramento and Davis 13 Comment
  CAS-BOT-BC348256  Matricaria discoidea Bellue; Goodwin 1932-4-22 s.n. Yolo Davis Comment
  CDA7373  Matricaria discoidea M. K. Bellue, Goodwin 1932-4-22 Yolo Davis 0 Comment
  UCD134459  Matricaria discoidea Goodwin-Bellue 1932-4-22 s.n. Yolo Davis. Comment
  UCD134470  Matricaria discoidea Lynn. M. Holstein 1979-5-18 5 Yolo Corner of 5th and Pole line Rd. Comment
  UCD134618  Matricaria discoidea M. Wiesendanger 1927-4-29 600 Yolo Davis. Comment
  UCD134621  Matricaria discoidea Joy Woo 1989-5-3 8 Yolo one mile north of Covell Blvd. on F Street, Davis. Comment
  UCD15638  Matricaria discoidea Rachelle Raymond 1989-5-29 601 Yolo Stebbins Reserve Road. 121 Comment
  SEINET9312618  Matricaria occidentalis Unknown 1978-5-8 9580 Yolo 0.25 mi S of Saxon Station, T7N R3E Sect 17 NE 1/4 Btwn rd and fence. UC Davis Herbarium, The Beecher Crampton Herbarium Collection Comment
  UCD38684  Matricaria occidentalis Beecher Crampton 1957-5-13 4002 Yolo 3.5 miles northeast of Davis. Comment
  CDA4195  Medicago arabica P. B. Kennedy 1915-4-26 Yolo Chin. Farm, Davis. 0 Comment
  SEINET4560759  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2012-1 18771 Yolo Sacramento Valley: along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland. 65 Comment
  SFV1923  Medicago polymorpha E. B. Risley 1961-3-12 120 Yolo Sacramento Valley Davis. 644 I Street. 14 Comment
  UCD144798  Medicago polymorpha Carol W. Witham 2003-4-7 897 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD56714  Medicago polymorpha Ellen Dean; M. Bibbo 2007-3-23 3407 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SW portion of ranch. 649 Comment
  UCR118886  Medicago polymorpha Beecher Crampton 1955-3-21 2334 Yolo Sacramento Valley, 8.5 miles west of Davis, Moon Ranch. 30 Comment
  SEINET5737398 Image available Medicago polymorpha Chris Bornman 1962-1 24 Yolo On north slope of Putah Creek bank; experimental farm, University of California, Davis.; Univ. of California, Davis 9 Comment
  UCD18336  Medicago polymorpha Edwin A. Crosby 1952-5-13 37 Yolo city of Davis, UC Davis, open field 750 ft. SW of apiary. Comment
  UCD35829  Medicago polymorpha Beecher Crampton 1963-5-20 6809 Yolo Davis, field just NE of West Davis Elementary School. Comment
  UCD107931  Medicago sativa F. E. Hadly 1920-3-28 s.n. Yolo Univ. Farm, Davis. Comment
  RSA0048651  Melica bella Lois Weston 1942-4-24 1127 Yolo Putah Can. Comment
  UCD160200  Melica californica Taylor Blevins 2015-4-12 4 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. 131 Comment
  UCD36163  Melica californica Beecher Crampton 1953-3-23 1015 Yolo Yolo Coutny, 6 miles west of city of Winters, Putah Canyon. Comment
  UCD54297  Melica californica George P. Hrusa; Marcel Rejmanek 1993-4-18 10787 Yolo Stebbins Cold Canyon Reserve, steep east facing slope on west side of Cold Creek, near reserve southern boundary. Comment
  UCD86933  Melica californica Beecher Crampton 1967-5-3 7850 Yolo Yolo County, 2 miles west of Winters. Comment
  POM204768  Melica torreyana C. F. Baker 1903-5-6 2885 Yolo Cache Creek Canyon. Comment
  UCD58062  Melica torreyana Ellen Dean; K. Mawdsley 2007-4-6 3602 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 531 Comment
  UCD73266  Melica torreyana Ellen Dean; Susan Xhang, Christa Lindsey, Chris Mosser 2008-4-17 4840 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. 77 Comment
  UCR257077  Melilotus indicus George K. Helmkamp, Mary Alice Barnes 2013-5-8 20520 Yolo Southern Sacramento Valley, Yolo Bypass Wildlife Area, 0.9 mile southeast of the junction of Chiles Road and I-80, between Sacramento and Davis 13 Comment
  SEINET5737483 Image available Melilotus indicus Charles C. Adamson 1960-1 12 Yolo Along Southern Pacific railroad tracks, near NE Davis city limit.; Davis 46 Comment
  UCD108066  Melilotus indicus B. Crampton 1953-4-19 1109 Yolo Along the rr, 1.5 miles north of Davis. Comment
  UCD108074  Melilotus indicus Lynn M. Holstein 1979-5-18 1 Yolo Corner of 5th and Poleline Rds. In Davis. Comment
  UCD15905  Mentha spicata Leticia Mosqueda 1975-2-10 s.n. Yolo City of Woodland. Obtained from the Olvera family (Santos and Maria) at 1247 Armfield Rd. Comment
  UCD117356  Mentzelia laevicaulis M. Phillips 1929-10-1 2065 Yolo Putah Canyon. Comment
  UC19599  Mentzelia laevicaulis var. laevicaulis Willis L. Jepson July, 1892 Yolo near Devil's Gate; Putah Canyon Comment
  UCD96992  Mesembryanthemum crystallinum W. A. Harvey 1948-7-27 s.n. Yolo Harvey's Hacienda. Comment
  UCD18983  Mesembryanthemum roseum J. J. Dunning 1958-4-7 s.n. Yolo city of Woodland, # 2 Cross St., in yard at Simpson Residence. Comment
  UCD48201  Micranthes californica Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 11 Yolo McLaughlin UC Reserve. W side of Davis Creek Reservoir, along road that goes from Soda Spring area to Rayhouse Rd. Ca. 0.5 airline mile due N of Soda Springs and ca. 1.0 airline mile WNW of UC Davis Aquatic Lab facility. Along edges of running stream and slopes to the north and south stream on the W side of the road. 487 Comment
  UCD48203  Micranthes californica M. K. Voigt; E. Sweeney and M. Miller 2002-4-13 14 Yolo McLaughlin UC Reserve. W side of Davis Creek Reservoir, 20 m S of road that goes from Soda Spring area to Rayhouse Rd. Ca. 0.5 airline mile due N of Soda Springs and ca. 1.0 airline mile WNW of UC Davis Aquatic Lab facility. Along edges of running stream and slopes to the north and south of stream on the W side of the road. 487 Comment
  UCD56750  Micropus californicus Ellen Dean; M. Bibbo 2007-3-23 3442 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SW portion of ranch. 649 Comment
  UCR212289  Micropus californicus Ayzik Solomeshch 2005-4-10 s.n. Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Northeastern part of the ranch, Maxwell Flat area, accessed by private road that is at the end of Moody Slough Rd. 71 Comment
  CAS-BOT-BC348438  Micropus californicus var. californicus Roxana S. Ferris 1917-4-20 710 Yolo Road along Buckeye Creek 3 mi west of Railroad Comment
  CAS-BOT-BC348445  Micropus californicus var. californicus C. F. Baker 1903-5-7 2932 Yolo Rumsey Comment
  SEINET202284  Micropus californicus var. californicus J. Maze 1963-4-27 17 Yolo .75 mi E of Recreation Beach State Hwy 128 Comment
  UC75178  Micropus californicus var. californicus C. F. Baker 1903-5-7 2932 Yolo Rumsey Comment
  RSA695731  Micropus californicus var. californicus Keith E. Hoffmaster 1940-4-28 951 Yolo West of Winters Comment
  UCD63227  Microseris douglasii Ellen Dean; K. Mawdsley 2008-4-16 4804 Yolo southeast side of Woodland, Woodland Regional Park, just south of the intersection of County Roads 102 and 25, east side of road 102. Parking area between rodeo corrals and area just south of reservoir. 0 Comment
  UCD15246  Microseris douglasii V. Polito 1974-4-14 33 Yolo Along County Road 32, about 1 mile west of Cactus Corners. 15 Comment
  POM53415  Microseris lindleyi C. F. Baker 1903-5-8 2887 Yolo Cache Creek cannon [Canyon] Comment
  UCD169010  Microseris sylvatica Ellen Dean; E. Moores and M. Hoshovsky 2017-4-7 9313 Yolo Audubon Bobcat Ranch. Lands to the north of Hwy 128, northwest of ranch headquarters. Ridge extending south from undeveloped road downhill from Rattlesnake Rock. Area has burned three times in the last three years. 274 Comment
  UCD41160  Mimulus arvensis C. Holn 2002-4-10 173 Yolo Eastern foothills of inner north coast range, Berryessa Valley. About 1.2 miles as the crow flies east of Monticello Dam, off of Hwy 128, south side of creek. Comment
  UCD122251  Mimulus aurantiacus Ogden C. Riddle 1942-3-29 24 Yolo Putah Canyon. Hill across creek north of 'cannon ball'. Comment
  UCD20814  Mimulus aurantiacus N. Nicola; C. Kremen 2001-3-16 030 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  HSC82083  Mimulus aurantiacus var. aurantiacus Thomas W. Nelson, Jane P. Nelson 1980-4-27 5109 Yolo Along SR 16, 100 m E of bridge over Cache Creek, 4.2 mi. from county line 152 Comment
  UC917317  Mimulus aurantiacus var. aurantiacus S. C. Hanson 1949-5-5 18 Yolo Putah Canyon Comment
  UCD122302  Mimulus aurantiacus var. aurantiacus M. Wiesendanger 1927-5-4 641 Yolo Putah Canyon. Comment
  UCD41419  Mimulus bolanderi Susan Harrison 2003-6-10 s.n. Yolo BLM land east of McLaughlin UC Reserve. Comment
  RSA0054844  Mimulus guttatus subsp. arvensis Keith E. Hoffmaster 1946-4-13 1247 Yolo Putah can. Comment
  UCD20604  Mimulus pilosus E. Dean; with M. Bibbo 2002-7-5 1149 Yolo McLaughlin UC Reserve. Clover Valley, W of main road that goes N-S through valley. 457 Comment
  UCD41143  Mimulus pilosus N. Nicola 2002-6-19 236 Yolo Eastern foothills of inner north coast range, Capay Valley. Just north of Rumsey, Rd. 41, Lowrey Ranch. Comment
  SEINET8335057  Mimulus tricolor Beecher Crampton 1953-3-31 1051 Yolo 3 miles north of Winters. Comment
  UCD122951  Mimulus tricolor C. F. Ehlig 1951-4-22 35 Yolo 5 miles west of US 99W on Road 29. 15 Comment
  UCD125039  Monarda citriodora L. Mitich 1994-6-20 s.n. Yolo UC Davis, UCD Experiemental farm A12, south of Veg. Crops. Comment
  UCD58082  Monardella villosa Ellen Dean; K. Mawdsley 2007-4-6 3620 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. Along Loop Road. 478 Comment
  RSA408694  Monardella villosa subsp. villosa R. D. Moon 1973-5-26 61 Yolo 7 miles north of Guinda on Highway 16. 518 Comment
  RSA0054949  Montia Keith E. Hoffmaster 1939-4-6 903 Yolo Putah can. Comment
  CAS-BOT-BC445133  Montia parvifolia Mrs. H. C. Cantelow 1932-8-17 368 Yolo Unspecified Comment
  UCD141701  Morus alba Ellen Dean; M. Taylor 2013-6-21 7813 Yolo North side of Putah Creek east if the City of Winters. South of Russell Blvd. on east side HWY 505. Yolo County Housing Authority area. In or near Plot YHA 2E of Putah Creek vegetation survey. 6 Comment
  RSA91890  Muilla maritima Beecher Crampton 1953-3-29 1041 Yolo Railroad embankment, 1.5 miles north of Davis. Comment
  SEINET3992260  Muilla maritima June McCaskill, Katherine Onaga 1967-4-28 718 Yolo Just E. of Davis Refuse Dump, Co. Rd. 102, ca. 1 mi N. of Co. Rd. 31, N. of Davis 15 Comment
  UCD21422  Myosurus minimus J. Shepard 2002-4-21 513 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. South along north to south access road to vernal pool area - in dip. 12 Comment
  UCD55511  Myosurus minimus J. Shepard 2004-3-21 642 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east on unpaved entrance road .4 mi., about 20 yd. west of DOD fence, thence .4 mi. south, about 40 yd. north of Co. Rd. 36. 12 Comment
  UCD96304  Myosurus minimus Beecher Crampton 1973-6-22 8958 Yolo 3 miles S.E. Woodland (in direct line), County roads 25 X 103. Comment
  UCD96303  Myosurus minimus Beecher Crampton 1952-11-1 904 Yolo 1.5 miles north of Davis. Comment
  UCD96606  Myosurus minimus J. M. Tucker; K. J. Tucker 1950-3-26 1927 Yolo Beside Highway 99W, about 3 miles northwest of Davis. Comment
  RSA10403  Myosurus sessilis Carl B. Wolf 1928-5-8 2150 Yolo Sacramento Valley; 12 miles north of Dixon. Comment
  RSA10404  Myosurus sessilis Carl B. Wolf 1928-5-8 2149 Yolo Sacramento Valley; 12 miles north of Dixon. Comment
  UC917100  Myosurus sessilis K. J. and J. M. Tucker 1950-3-26 1926 Yolo 3 mi nw Davis (beside Highway 99W) Comment
  UCR47950  Myosurus sessilis R. Robichaux 1975-4-20 29 Yolo Culltivated field southwest of CA Hwy 16 and 78 intersection, 0.5 mi south of Brooks 91 Comment
  UCD96292  Myosurus sessilis J. M. Tucker; K. J. Tucker 1950-3-26 1926 Yolo Beside Highway 99W, about 3 miles northwest of Davis. Comment
  JEPS84735  Myriophyllum spicatum John W. Willoughby 1976-7-29 1814 Yolo at fishing access along State Hwy. 129 Putah Creek (ca. 1.2 mi. n.w. of junction of the hwy. & County Rd. 86 (Pleasants Valley Rd.)) 60 Comment
  SBBG26345  Nassella cernua B. Crampton 1965-4-27 7294 Yolo 3 mi NW of Dunnigan Comment
  SBBG29008  Nassella cernua B. Crampton 1967-5-11 7923 Yolo 5 mi W of Winters; St Hwy 128 Comment
  UCD32887  Nassella cernua Beecher Crampton 1965-4-27 7294 Yolo Yolo County, 3 miles N.W. of Dunnigan, County road between forks of Buckeye Creek, 14.5 miles N. Capay. Comment
  UCD33222  Nassella cernua Beecher Crampton 1967-5-11 7923 Yolo Yolo County, 5 miles west of Winters on Hwy. 128. Comment
  UCD87413  Nassella cernua Beecher Crampton 1953-5-7 1221 Yolo Yolo County, 2 miles northwest of Dunnigan, along extension of Road 4. Comment
  UCD87417  Nassella cernua Beecher Crampton 1958-4-17 4700 Yolo Yolo Coutny, 4.5 miles west of city of Winters, along State Hwy. 128, near entrance to Putah Canyon. Comment
  UCD59314  Nassella pulchra Ellen Dean; Kate Mawdsley 2007-5-11 3738 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Central part of ranch near western portion of loop road. 638 Comment
  UCD59378  Nassella pulchra Ellen Dean; Kate Mawdsley 2007-6-8 3853 Yolo Tuleyome Ireland Ranch, Inner Coast Ranges, northwest of the city of Winters, between Salt Creek and Enos Creek, just N of Wild Cow Mtn. Central part of ranch, just W of main loop road. 609 Comment
  UCD87512  Nassella pulchra Beecher Crampton 1982-3-22 9823 Yolo 5 miles west of Winters along State Hwy 128. Comment
  UCD87650  Nassella pulchra Jack Maze 1963-3-8 49 Yolo Ca. 2 miles E of Monticello Dam on State Highway 128. Comment
  RSA696980  Navarretia Keith E. Hoffmaster 1939-4-15 s.n. Yolo Davis Comment
  UCD162958  Navarretia atractyloides Craig D. Thomsen 2006-6-13 2658 Yolo Camp Haswell Regional Park. On flat just above turnout along Hwy 16, just across from Camp Haswell. Comment
  CAS-BOT-BC230251  Navarretia cotulifolia A. A. Heller; H. E. Brown 1902-4-30 s.n. Yolo Near Black's Comment
  CHSC79188  Navarretia cotulifolia Beecher Crampton 1952-11-7 910 Yolo 3 miles northwest of city of Davis. Comment
  RSA113801  Navarretia cotulifolia Beecher Crampton 1956-4-26 s.n. Yolo Count road 103, about 7 miles northeast of Davis Comment
  RSA654911  Navarretia cotulifolia Beecher Crampton 1952-11-7 910 Yolo 3 miles northwest of city of Davis Comment
  UCD35662  Navarretia cotulifolia Beecher Crampton 1960-5-9 5506 Yolo 0.25 mile south of Saxon Station. Comment
  UCD39053  Navarretia cotulifolia Beecher Crampton 1962-5-1 6360 Yolo 1/4 mile south Saxon Station, jct. County Roads 106 and 38. Comment
  UCD48344  Navarretia cotulifolia Beecher Crampton 1962-5-1 6351 Yolo 5.5 miles southeast of Davis (in direct line) jct. County Roads 106 A and 35; vernal meadow. Comment
  UCD48347  Navarretia cotulifolia Beecher Crampton 1962-5-1 6360 Yolo 1/4 mi. s. of Saxon Station, jct. County Roads 106 and 38. Comment
  UCD33985  Navarretia leucocephala Beecher Crampton 1975-6-18 9223 Yolo Yolo County, 1/4 mile south of Saxon Station. Comment
  UCD35866  Navarretia leucocephala Beecher Crampton 1965-6-29 7391 Yolo 5 miles east of Davis; Yolo Bypass. Comment
  UC917325  Navarretia leucocephala subsp. leucocephala H. Popenoe 1949-5-22 23 Yolo between Davis and Sacramento; Yolo Causeway Comment
  UCD20383  Navarretia leucocephala subsp. leucocephala K. Esau 1933-5-24 s.n. Yolo Yolo County, Putah Canyon. Comment
  UCD84363  Navarretia leucocephala subsp. leucocephala Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCR225218  Navarretia leucocephala subsp. leucocephala Ayzik Solomeshch 2009-5-11 s.n. Yolo Yolo Bypass, Glide Ranch 4 Comment
  UCD36213  Navarretia leucocephala subsp. leucocephala Beecher Crampton 1953-4-21 1120 Yolo Yolo County, 3 miles north of city of Winters, between highway and railroad. Comment
  UCD20389  Navarretia pubescens K. Esau 1937-3-12 s.n. Yolo Putah Canyon. Comment
  UCD20610  Navarretia pubescens E. Dean; with M. Bibbo 2002-7-5 1157 Yolo McLaughlin UC Reserve. Along road leading from Davis Creek Reservoir to Clover Valley, N of valley, where stream crosses road (southernmost of two stream crossings). Adjacent to the culvert. 441 Comment
  UCD59311  Navarretia pubescens Ellen Dean; Kate Mawdsley 2007-5-11 3735 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Central part of ranch near western section of loop road. 615 Comment
  UCD59441  Navarretia pubescens K. O'Keefe 1995-6-3 s.n. Yolo 100 m from west side of Cold Creek, 250 m from confluence with Putah Creek. Below and east of Lake Berryessa, on side of Highway 128. 120 Comment
  UCD73731  Navarretia pubescens Ayzik Solomeshch 2004-5-23 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  UCD48619  Navarretia pubescens Beecher Crampton 1954-6-11 1951 Yolo 3 miles west of Rescue foothills flat. Comment
  SEINET14160502  Navarretia tagetina B. Crampton 1953-4-19 1312 Yolo 3 mi west of Winters along Hwy 128 51 Comment
  UCD37114  Navarretia tagetina Beecher Crampton 1957-5-14 4019 Yolo Yolo County, 1.3 miles west of Zamora. Comment
  UCD120041  Nemophila heterophylla R. H. Miller 1949-3-14 1 Yolo Hillslopes of Putah Canyon. Comment
  UCD48046  Nemophila heterophylla Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 16 Yolo McLaughlin UC Reserve. W side of Davis Creek Reservoir, along road that goes from Soda Spring area to Rayhouse Rd. Ca. 0.5 airline mile due N of Soda Springs and ca. 1.0 airline mile WNW of UC Davis Aquatic Lab facility. Along edges of running stream and slopes to the north and south of stream on the W side of the road. 487 Comment
  UCD120037  Nemophila heterophylla G. F. Hrusa 1998-3-21 14155 Yolo Hwy 16 along Cache Creek at the rafting put-in. Nr. Lake County line. 225 Comment
  UCD120231  Nemophila menziesii E. H. Stanford 1940-4-1 s.n. Yolo Putah. Comment
  UCD21320  Neostapfia colusana J. Shepard 2000-5-26 278 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road almost to east boundary of park by Air Force facility. Thence, south approx. 50 feet to vernal pool straddling fence, recently disked on park side of fence. 12 Comment
  UCR220399  Neostapfia colusana Jean V. Shepard 2000-5-26 278 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, from intersection of I-80 and Mace Blvd., 3.5 miles south on Mace Blvd. (County Rd 104), east along unpaved entrance road almost to east boundary of park by Air Force facility, south c. 50 ft to vernal pool straddling fence 12 Comment
  UCD126661  Nicotiana glauca J. M. Tucker; C. H. Lamoureux 1958-6-8 3401 Yolo State Highway 128, Putah Canyon, 1.2 - 2.0 miles east of Recreation Beach. Comment
  UCD33618  Nicotiana glauca Beecher Crampton 1971-1-21 8657 Yolo UC Davis campus, S.E. of the University airport along the north bank of Putah Creek. Comment
  UCD70351  Nicotiana glauca E. D. Appenzeller 1995-5-29 10 Yolo UC Davis campus; next to Putah Creek. Tree; corollas yellow. Comment
  UCD80989  Nicotiana glauca Clare Loughran; Ellen Dean, Angelica Sauceda 2009-4-26 7 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Side canyon on the east side of Bray Canyon. 147 Comment
  UCR242995  Nicotiana glauca Cathleen Chapton 1983-5-24 26 Yolo On Road 128, 1.5 miles east of Lake Berryessa (Davis side) 76 Comment
  UCR260805  Nicotiana glauca Naomi Erickson 1998-5-9 10 Yolo Inner Coast Range, 4.0 miles west of Winters along Hwy 128, just off roadside to the southwest 49 Comment
  UCD126710  Nicotiana quadrivalvis K. Esau 1931-4-26 2183 Yolo Putah Canyon. Comment
  SEINET12197065  Oenothera speciosa Unknown 1998-5-10 11 Yolo city of Davis, 0.25 mi W of Student Experimental Farm 17 Comment
  SEINET8564248  Olea europaea R. H. Miller None 1119 Yolo University farm, University of Calif., Davis Comment
  CDA19185  Onopordum acanthium J. Young 2001-5-24 PDR 050651 Yolo Sacramento Valley; near junction of County Rd 8 and Interstate Hwy 5, S-bound, Dunnigan 0 Comment
  UCD39925  Origanum X majoricum Beecher Crampton 1995-8-9 s.n. Yolo City of Davis. Comment
  UCD168067  Orobanche ramosa Gene Miyao 2017-6-28 s.n. Yolo North of Woodland, between County Road 102 and State Route 113, in the vicinity of County Road 18 C, near the former Spreckels Sugar location. 16 Comment
  UCD161068  Orobanche uniflora Craig Thomsen 2006-5-10 2650 Yolo Along ridgeline trail (accessed at turn-out across the road from Camp Haswell), approximately 0.5 mile south of Hwy 16. Yolo County park adjacent to Cache Creek. Rumsey Canyon. 457 Comment
  UCD88429  Oryza rufipogon W. W. Mackie 1919-10-1 s.n. Yolo Yolo County. Comment
  UCD88432  Oryza rufipogon W. W. Mackie 1919-10-1 s.n. Yolo Yolo County. Comment
  UCD81549  Oryza sativa W. W. Robbins; W. D. Norton 1927-10-1 s.n. Yolo West of Davis. Comment
  SEINET242447  Oryzopsis coerulescens Beecher Crampton 1962-4-26 T.O. 2323 Yolo UC Davis agronomy experimental rea, plant introduction nursery, row D-117 Comment
  UCD39913  Oryzopsis miliacea Beecher Crampton 1961-8-11 s.n. Yolo UC Davis Campus, Agronomy Seed House. Comment
  UCD81024  Oxalis corniculata Ellen Dean; Gordon Harrington 2009-4-1 5367 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Near drainage basin. 9 Comment
  UCD110781  Oxalis corniculata T. Tomich 1949-5-30 62 Yolo Davis. Comment
  UCD35743  Oxalis corniculata Beecher Crampton 1953-3-29 1036 Yolo Along walkway in Davis. Comment
  RSA141298  Oxalis hirta June McCaskill 1959-3-24 590 Yolo Botany Department greenhouse, University of California, David. Comment
  UCD111018  Oxalis pes-caprae E. Frost 1996-4-13 1 Yolo north Davis, along Northernmost end of Greenbelt. 13 Comment
  UCD111012  Oxalis pes-caprae Beecher Crampton 1980-3-4 9697 Yolo Davis Comment
  UC1183408  Pandorea jasminoides June McCaskill and Katherine Onaga 1960-9-29 610 Yolo Climbing about post of east side of Landscape Horticulture Field Headquarters, University of California campus, Davis, Yolo County, California. Comment
  UCD34194  Panicum capillare Beecher Crampton 1977-10-25 9544 Yolo Yolo County, UC Davis agricultural services yard. Comment
  UCD89399  Panicum capillare Beecher Crampton 1953-10-15 1694 Yolo Capay, along Cache Creek. Comment
  UCD89536  Panicum capillare R. Raynor 1939-9-27 s.n. Yolo Davis. Comment
  UCR197936  Panicum capillare Beecher Crampton 1952-8-25 850 Yolo Sacramento Valley, city of Davis 16 Comment
  UCD34841  Panicum capillare subsp. hillmanii Beecher Crampton 1963-8-5 6866 Yolo Yolo County, 1/4 mile south of west Plainfield store on county road 99. Comment
  UCD89572  Panicum capillare subsp. hillmanii Beecher Crampton 1964-9-10 7201 Yolo 3 miles N.W. of Davis, jct. of County roads 99 and 29. Comment
  UCD89701  Panicum dichotomiflorum R. Tofsrud 1942-11-1 116 Yolo Davis. Comment
  UCD89703  Panicum dichotomiflorum R. Tofsrud 1942-11-1 117 Yolo Davis. Comment
  CAS-BOT-BC253780  Panicum hillmanii Beecher Crampton 1977-10-25 9544 Yolo UC Davis agricultural service yard Comment
  UCR118988  Panicum hillmanii Beecher Crampton 1977-10-25 9544 Yolo Sacramento Valley, UC Davis agricultural services yard. 15 Comment
  CAS-BOT-BC242669  Panicum hillmanii Beecher Crampton 1964-9-10 7201 Yolo 3 miles N.W. of Davis, jct. of county roads 99 and 29 Comment
  CAS-BOT-BC242670  Panicum hillmanii Beecher Crampton 1964-9-22 7202 Yolo 3.5 miles west of Davis, Russell Blvd. Comment
  CAS-BOT-BC253893  Panicum rigidulum C. R. Quick 1972-7-22 72 -12 Yolo On E bank of E levee of Merritt Island, at junction of road 142, about 20 miles SSW of Sacramento, SE corner of county Comment
  UCD89970  Panicum virgatum Beecher Crampton 1954-9-10 s.n. Yolo UC Davis Campus. Agronomy Experimental Area. Comment
  UCD170767  Papaver rhoeas 1997-4-29 22 Yolo 16 road mi west of Covell Blvd. and Sycamore Ln. along Hwy 128/Covell Blvd. 50 Comment
  UCD34715  Parapholis incurva Beecher Crampton 1989-5-12 10159 Yolo Yolo County, Davis, 1203 Eureka ave. Comment
  UCD88642  Parapholis incurva Beecher Crampton 1978-6-26 9609 Yolo 4 miles S.E. of Woodland. Comment
  SEINET10226584 Image available Parapholis incurva R. F. Norris 1971-5-11 Yolo on old Hackett Ranch (property owned by Heidrick Farms) just north of Road l8c (which runs east and west between State Route 113 and County Road 102) and ca. 0.5 mile west of County Road 101, northeast of town of Woodland Comment
  UCD161051  Paspalum dilatatum Craig Thomsen 2006-6-30 2626 Yolo Camp Haswell. West side of Cache Creek. 144 Comment
  UCD88730  Paspalum dilatatum Beecher Crampton 1963-4-4 6714 Yolo 3.5 miles west Davis, Russell Blvd. Comment
  UC1949273  Paspalum distichum Barbara Ertter 1988-10-21 7996 Yolo Cache Creek at Rd 89 crossing just W of I-505, E of gravel pits 1.5 mi N of Madison, ca 10 airmiles W of Woodland Sacramento Vally Comment
  UCD36093  Paspalum distichum Beecher Crampton 1952-10-12 861 Yolo Yolo County, city of Davis, along Putah Creek. Comment
  UCD81544  Paspalum distichum W. D. Norton 1933-1 s.n. Yolo Esparto. Comment
  UCD39946  Paspalum umbrosum Beecher Crampton 1978-11-4 ? Yolo UC Davis Campus, Agronomy Experimental Area; grown from seed obtained from Brazil (Plant Introduction # 203882). Comment
  UCD137592  Pellaea andromedifolia Jack Maze 1963-4-27 19 Yolo State Highway 128, 3/4 mile east of Recreation Beach. Comment
  UCD162954  Pellaea mucronata Craig Thomsen 2006-6-13 2672 Yolo Camp Haswell. West side of Cache Creek. 144 Comment
  UCD59336  Pellaea mucronata var. mucronata Ellen Dean; Kate Mawdsley 2007-5-11 3760 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Central part of ranch. 564 Comment
  UC691042  Penstemon gloxinioides Alva D. Hansen 1944-8-6 Yolo Garden; Davis, Calif. Comment
  UCD124229  Penstemon heterophyllus J. D. Skoss 1948-6-6 19 Yolo Putah Canyon. Comment
  UCD124235  Penstemon heterophyllus var. purdyi Richard Eichner 1960-4-26 9 Yolo Cache Creek Canyon, State Highway 16, 12.2 miles northwest of Capay. Comment
  UCD47774  Pentagramma triangularis subsp. triangularis M. K. Voigt; E. Sweeney and M. Miller 2002-4-13 10 Yolo Mclaughlin UC Reserve. W side of Davis Creek Reservoir, along road that goes from Soda Spring area to Rayhouse Rd. Ca. 0.5 airline mile due N of Soda Spring and Ca. 1.0 airline mile WNW of UC Davis Aquatic Lab facility. Along edges of running stream and slopes to the north and south of stream on the W side of the road. 487 Comment
  UCD20890  Perideridia kelloggii N. Nicola 2001-5-30 118 Yolo Eastern foothills of inner north coast range, Capay Valley, on roadside of Hwy. 16, about 1.5 mi. NW of Rumsey. Comment
  UCD41152  Perovskia atriplicifolia N. Nicola 2002-7-23 242 Yolo Eastern foothills of inner north coast range, Capay Valley. North of Guinda, Rd 43 off Hwy 16; Fullbelly Farm. Comment
  UCD81057  Persicaria maculosa Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5593 Yolo city of Woodland. Woodland Regional Park. East side of County Road 102, just south of County Road 25. Old rodeo area with bare areas where buildings used to be. 9 Comment
  UCD99578  Persicaria maculosa Daryl Koutnik; John Sowell 1978-10-27 580 Yolo One mile south of Putah Creek, east of County Road 106 and west of Yolo Causeway. 6 Comment
  UCD41072  Persicaria maculosa Carol W. Witham 2003-8-8 1003 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD141651  Persicaria punctata Ellen Dean; M. Taylor 2013-6-12 7786 Yolo Along Putah Creek by Los Rios Farms, between Mace Blvd. (County Road 104) and the Yolo bypass wildlife area. Los Rios Farms is on the border of DFG lands northeast of the junction of County road 106 and County road 35. Plot LRF 2D of Putah Creek vegetation survey. 6 Comment
  UCD120349  Phacelia ciliata H. Popenoe 1949-5-26 25 Yolo Along banks of small canal 3 miles northeast of Davis. Comment
  UCD120582  Phacelia imbricata A. A. Beetle 1945-3-8 4205 Yolo Putah Creek Canyon, west of Winters. Comment
  RSA428027  Phacelia imbricata subsp. imbricata Glenn A. Gorelick 1966-5-15 s.n. Yolo 2.2 miles north of Rumsey on Highway 16. Comment
  UCD88027  Phalaris aquatica Beecher Crampton 1963-5-21 s.n. Yolo UC Davis. Agronomy Experimental Areas. Foundation Seed Field. Comment
  SEINET7294748 Image available Phalaris aquatica var. minor Beecher Crampton 1957-1 2424 Yolo [No precise loc] Comment
  SEINET240103 Image available Phalaris arundinacea Beecher Crampton T.O. 2517 Yolo UC Davis agronomy experimental area, plant introduction nursery Comment
  UCD144612  Phalaris arundinacea Katie Holzer 2013-5-2 s.n. Yolo East of City of Guinda, along road 57 at Cache Creek where bridge crosses creek. Along west banks of creek. 103 Comment
  UCD88340  Phalaris brachystachys Beecher Crampton 1965-8-18 7487 Yolo 3 miles W of Knight's Landing. Comment
  UCD88777  Phalaris canariensis Beecher Crampton 1961-5-17 5873 Yolo 3 miles S of Woodland. Comment
  UCD88781  Phalaris canariensis P. B. Kennedy 1914-7-1 s.n. Yolo Davis. Roseman Plots. Comment
  UCD88783  Phalaris canariensis R. Koch 1996-6-1 9 Yolo Davis. Along bike path in West Davis. 15 Comment
  SD27859  Phalaris lemmonii Carl B. Wolf 1928-5-8 2131 Yolo Sacramento Valley. 4 mi no. of Zamora 42 Comment
  UCD147298  Phalaris lemmonii Carol W. Witham 2003-4-9 912 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD23212  Phalaris lemmonii A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCD35907  Phalaris lemmonii Beecher Crampton 1960-5-9 5498 Yolo Saxon Station area. Comment
  UCD36177  Phalaris lemmonii Beecher Crampton 1953-3-31 1050 Yolo 6 miles N of city of Winters, along railroad tracks at Arroz railroad siding. Comment
  UCD39173  Phalaris lemmonii Beecher Crampton 1953-5-5 1209 Yolo 2.5 miles NE of Davis Road 102. Comment
  UCD88868  Phalaris lemmonii Collector Unknown 1942-5-1 s.n. Yolo Yolo Basin. W end of causeway. Comment
  CAS-BOT-BC250677  Phalaris minor Peter H. Raven 1955-4-16 8273 Yolo Fields about Davis Comment
  CAS-BOT-BC250679  Phalaris minor John Thomas Howell; Gordon H. True 1974-5-3 50330 Yolo About 7 miles north of Madison Comment
  CAS-BOT-BC265943  Phalaris minor W. D. Hamilton 1946-4-19 s.n. Yolo 5 miles No. of Davis Comment
  RSA10438  Phalaris minor C. B. Wolf 1928-5-8 2130 Yolo Sacramento Valley; 4 miles N of Zamora. Comment
Read comments
Jul 28 2014
  UCD15534  Phalaris minor Lara Hawthorne 1989-6-3 12 Yolo Covell Rd, 6 miles east of Winters. 15 Comment
  UCD20607  Phalaris minor E. Dean; with M. Bibbo 2002-7-5 1153 Yolo McLaughlin UC Reserve. Clover Valley, W of main road that goes N-S through the valley, alongside of dried drainage, S of stock pond. 457 Comment
  UCD21273  Phalaris minor J. Shepard 2000-5-1 165 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, straight to eastern boundary of park. South of track in field. 12 Comment
  UCD88183  Phalaris minor P. Stern 1988-5-19 9 Yolo Davis. Between the Domes and Russell Park complex just W of UCD campus. Comment
  UCD89056  Phalaris minor A. A. Beetle 1946-5-1 4713 Yolo Davis campus. Comment
  UCD89067  Phalaris minor A. S. Crafts 1926-7-8 429 Yolo University Farm Campus, Davis. Comment
  UCD89270  Phalaris minor M. Wiesendanger 1927-4-29 608 Yolo Woodland. Comment
  CDA108  Phalaris paradoxa D. G. Kelch 2007-5-18 7 .322 Yolo Yolo Causeway, 0.4 mi E of Levee Rd. / RR crossing. Comment
  HSC10576  Phalaris paradoxa Beecher Crampton 1958-5-19 4827 Yolo NW part of Davis. Comment
  JEPS72983  Phalaris paradoxa W. L. Jepson 1940-6-14 19962 Yolo just n Cache Creek (near Madison); just n of Cache Creek Comment
  UCD147299  Phalaris paradoxa Carol W. Witham 2003-4-26 964 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD102190  Phoradendron serotinum subsp. macrophyllum G. F. Hrusa 1994-1-29 11590 Yolo Along Putah Creek in UC Putah Creek Reserve approx. 1 m W of University airport. 75 Comment
  UCD127888  Phoradendron serotinum subsp. macrophyllum A. M. Shapiro 2011-12-5 s.n. Yolo City of Davis. U.C. Davis campus. On a leafless deciduous tree at the NW corner of California Way and Storer Mall. 15 Comment
  UCD34366  Phoradendron serotinum subsp. macrophyllum Beecher Crampton 1980-2-19 9696 Yolo Yolo County, Davis. Comment
  UCD78302  Phoradendron serotinum subsp. macrophyllum C. Gasser 2009-3-4 s. n. Yolo Davis. Intersection of Russell Blvd. and Arthur St. Comment
  JEPS39021  Phyla caespitosa W. L. Jepson 1940-5-17 19930 Yolo 7 mi E of Davis (W end of Yolo Causeway (near Plumtree, rr flag sta.)) Comment
  UCD125934  Phyla nodiflora M. I. Wibawa 1996-6-2 38 Yolo on north side of Putah Creek, 200 meters west of Old Davis Road. 17 Comment
  UCD41050  Phyla nodiflora Carol W. Witham 2003-8-8 981 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCR212344  Phyla nodiflora Ayzik Solomeshch 2003-6-1 s.n. Yolo Dept. of Fish and Game, Glide Tule Ranch, about 8 miles SE of Davis 66 Comment
  UCD125918  Phyla nodiflora Edward J. Hall 1951-5-25 40 Yolo under west end of Yolo Causeway, Comment
  UCD125927  Phyla nodiflora Fleur Ng'weno 1989-5-16 DQ 49 Yolo D-Q University County Road 31, 9 miles west of Davis city center. 29 Comment
  CHSC117306  Phyla nodiflora var. nodiflora B. Castro; Tom Boullion 2009-5-22 1783 Yolo Levee Repair Site Revegetation Monitoring: RM 85.6R.Sacramento Valley. Ca 3 air mi SE of Knights Landing, via Road 116B, W of 'Wild Irishman Bend' on topo map, on W bank of the Sacramento River at RM 85.6. 9 Comment
  JEPS84724  Phyla nodiflora var. nodiflora John W. Willoughby 1979-8-13 4421 Yolo fishing access along State Highway 128 about 1.2 mi nw junction of Hwy 128 and Pleasants Valley Rd (County Rd 86) (Putah Creek); Vaca Mountains, Putah Creek 60 Comment
  SBBG115420  Physalis acutifolia B. Crampton 1994-7-13 10270 Yolo 14th St, Davis Comment
  UCD126783  Physalis philadelphica Donald Penner 1964-7-24 s.n. Yolo on northeast corner of 7th and F streets, Davis. Comment
  CDA16259  Phytolacca americana G. F. Hrusa 1997-10-13 14118 Yolo Sacramento Valley; Sacramento R. immediately S of I-5 ~ 5 mi E of Woodland (near tule canal). 0 Comment
  UCD55489  Pilularia americana J. Shepard; E. Dean, B. Rice, P. and R. Unger, B. Salvia 2004-3-28 651 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east on unpaved entrance road nearly to DOD fence, thence south .2 mi. to vernal pool straddling fence. 10 Comment
  UCR235436  Pinus halepensis George K. Helmkamp, E. A. Helmkamp 2012-4-17 18782 Yolo Sacramento Valley, along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland 65 Comment
  CAS-BOT-BC72813  Pinus sabiniana Roxana Stinchfield 1916-6-26 355 Yolo Foothills along Buckeay Creek, D'Oyly ranch Comment
  SEINET242450  Piptatherum microcarpum Beecher Crampton 1962-4-26 T.O. 2430 Yolo UC Davis agronomy experimental area, plant instruction nursery, row B-42 Comment
  SEINET240096  Piptatherum microcarpum E. Smith 338 Yolo UC Davis agronomy experimental area, plant introduction nursery, row B - 42 Comment
  UCD81607  Piptatherum miliaceum Collector Unknown 1950-6-1 s.n. Yolo Capay Valley Plots. Comment
  UCD89664  Piptatherum miliaceum Beecher Crampton 1959-6-9 5334 Yolo Along US Hwy. 40 freeway, 1 mile east of Davis. Comment
  UCD89671  Piptatherum miliaceum Beecher Crampton 1971-10-1 8758 Yolo Davis, College Park X Russell Blvd. Northwest corner, in vacant lot. Comment
  UCD89673  Piptatherum miliaceum Beecher Crampton 1974-6-18 9056 Yolo Yolo County, ca. 6 miles west of Winters (State Hwy. 128). Comment
  UCD142971  Pistacia atlantica Ellen Dean; K. MacMillen 2013-8-9 7944 Yolo Downstream of Monticello Dam along Hwy 128, north side of Putah Creek in Putah Creek Vegetation Survey Plot INT4E. 45 Comment
  CHSC79264  Plagiobothrys canescens Beecher Crampton 1955-4-18 2504 Yolo 2 miles west of Winters. Comment
  UC583158  Plagiobothrys canescens Lewis S. Rose 1936-4-27 36167 Yolo Guinda 117 Comment
  UCD82149  Plagiobothrys canescens Jean Shepard 2000-3-24 86 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, on south side of road. 12 Comment
  UCR119101  Plagiobothrys canescens Beecher Crampton 1955-4-14 2479 Yolo Sacramento Valley, 7 miles west of city of Davis, Moon Ranch 30 Comment
  UCR219517  Plagiobothrys canescens Jean V. Shepard 2000-4-21 144 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, 4 mi south on Mace Blvd. (Co. Road 104) from intersection of Hwy I-80 and Mace Blvd., east along unpaved entrance road, east of parking lot on the south side of road 12 Comment
  SEINET9289754  Plagiobothrys canescens Unknown 1955-4-18 2504 Yolo 2 mi. W of Winters. Dry, gravelly creek bed, oak woodland area. Comment
  UCD144440  Plagiobothrys hystriculus Carol W. Witham 2003-4-7 872 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  RSA21597  Plagiobothrys leptocladus C. B. Wolf 1937-3-28 8322 Yolo Sacramento Valley, 6.5 miles south of Woodland. 18 Comment
  UC917267  Plagiobothrys nothofulvus H. Popenoe 1949-4-11 3 Yolo above Rumsey on Cache Creek 167 Comment
  UC480674  Plagiobothrys stipitatus W. Williams 1927-3-22 Yolo Putah Creek Comment
  UCD120977  Plagiobothrys stipitatus DQU Science Class 1989-4-25 DQ 1 Yolo Yolo Couinty: D-Q University. County Road 31; 9 miles west of Davis city center. 30 Comment
  UCD120991  Plagiobothrys stipitatus Fleur Ng'weno 1989-4-27 DQ 12 Yolo D-Q University County Road 31, 9 mi. west of Davis city center. 29 Comment
  UCD120995  Plagiobothrys stipitatus Ogden C. Riddle 1942-3-30 56 Yolo 4 mi. west of Winters entrance to Putah Canyon. Comment
  RSA634242  Plagiobothrys stipitatus Robert M. Rhode, B. Nemeth 1998-5-13 178 Yolo In the vicinity of Guinda; W of the intersection of State Hwy 16 and County Road 53, on County Rd 53; 0.5 km W of gate. Comment
  SEINET12350539  Plagiobothrys stipitatus Unknown 1953-3-29 1043 Yolo 1.5 mi N of Davis Comment
  UCD21043  Plagiobothrys stipitatus var. micranthus Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-4-5 229 Yolo S of the city of Davis. Along Road 38, approximately 0.25 miles S of its intersection with Road 105. Glide/Tule Ranch site, pool # GLI002. 2 Comment
  UCD21284  Plagiobothrys stipitatus var. micranthus J. Shepard 2000-5-1 179 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road to eastern boundary of park. South approximately 200 yards to a low area and vernal pools. A wide strip has been disked through this area. Water still in 2 pools which extend across fence into undisked area. 12 Comment
  UCD23188  Plagiobothrys stipitatus var. micranthus A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCD121004  Plagiobothrys stipitatus var. micranthus K. Esau 1937-4-22 s.n. Yolo Putah. Comment
  UCD35020  Plagiobothrys stipitatus var. micranthus Beecher Crampton 1998-5-18 10360 Yolo Yolo County, ca. 2.5 miles north of Davis along county road 29 just west of its jct. with county road 101A, T9N R2E sect 28. Comment
  JEPS81235  Plagiobothrys stipitatus var. stipitatus L. R. Heckard and J. C. Hickman 1982-4-7 5831 Yolo about 3 mi se Woodland (at corner of Road 25A and Road 103) Comment
  UCD21039  Plagiobothrys stipitatus var. stipitatus Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-4-4 225 Yolo near the city of Davis. Along Road 38, approximately 1.2 miles S of its intersection with Road 105. Glide/Tule Ranch site, pool # GLI001. 2 Comment
  CAS-BOT-BC60840  Planodes virginica Beecher Crampton 1963-3-20 6713 Yolo University of California Davis Campus. Alden Pond - irrigation project. Comment
  RSA0054823  Plantago Keith E. Hoffmaster 1939-4-15 929 Yolo Davis, 1 mi North. Comment
  UCR137664  Plantago coronopus Arthur M. Shapiro 1995-9-3 s.n. Yolo W Sacramento, in mud along slough north of W Capitol Avenue Comment
  UCD73036  Plantago elongata Ellen Dean; Erika Smith and Casey Woodall 2008-5-12 4917 Yolo City of Woodland Alkali Grassland Preserve managed by Center for Natural Land Management on the south side of County Road 25, west of Road 103. 4 Comment
  UCD124419  Plantago elongata W. Russell; J. M. Tucker 1950-3-17 1921 Yolo Highway 99W, about 3 miles northwest of Davis. Comment
  UCD124421  Plantago elongata J. M. Tucker 1951-3-25 2057 Yolo adjacent to railroad to Woodland, 1.1 miles north of Davis. Comment
  UCD35488  Plantago elongata Beecher Crampton 1957-4-4 3916 Yolo Yolo County; ca. six miles northeast of Davis, along County Road 103. Comment
  RSA10429  Plantago elongata subsp. pentasperma Carl B. Wolf 1928-5-8 2139 Yolo Sacramento Valley; 12 miles north of Dixon. Comment
  UCD124498  Plantago erecta M. Wiesendanger 1927-4-29 620 Yolo Esparto. Comment
  UCR257082  Plantago lanceolata George K. Helmkamp, Mary Alice Barnes 2013-5-8 20512 Yolo Southern Sacramento Valley, Yolo Bypass Wildlife Area, 0.9 mile southeast of the junction of Chiles Road and I-80, between Sacramento and Davis 13 Comment
  UCD141696  Platanus X hispanica Ellen Dean; M. Taylor 2013-6-21 7808 Yolo North side of Putah Creek east of City of Winters. South of Russell Blvd. on east side HWY 505. Yolo County Housing Authority area. In or near Plot YHA 2A of Putah Creek vegetation survey. 6 Comment
  RSA801979  Plectritis ciliosa Keith E. Hoffmaster 1939-4-6 907 Yolo Putah Canyon. Comment
  UCR119151  Plectritis ciliosa Beecher Crampton 1967-5-3 7851 Yolo Sacramento Valley, 2 miles west of Winters. 46 Comment
  UCD137578  Plectritis ciliosa Gary W. Sanderson 1960-4-21 315 Yolo Cache Creek Basin, State Highway 16, ca. 5 miles northwest of Rumsey. Comment
  UCD160563  Plectritis congesta subsp. brachystemon Ellen Dean; Craig Thomsen 2015-3-21 8612 Yolo Audubon Bobcat Ranch. Western part of ranch, just north of Hwy 128 and N of Putah Creek. Area E of Bray Canyon at southeast end of large escarpment labeled 'spring' on topo maps. Burned in 2014. 259 Comment
  SEINET242430 Image available Poa D. Summer 1954-5-27 Yolo UC Davis Campus, Agronomy Experiemental Area. Comment
  UCD58072  Poa Ellen Dean; K. Mawdsley 2007-4-6 3612 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 462 Comment
  SEINET218338 Image available Poa annua G. R. Williams 1961-2-19 5 Yolo In orchard ca 0.25 mi W of sewage disposal plant U of California Campus Davis Comment
  UCD19455  Poa annua J. Shepard 2000-2-19 47 Yolo Grasslands Regional Park. East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, then immediately north in graveled parking lot. 12 Comment
  UCD90346  Poa annua Beecher Crampton 1960-3-2 5478 Yolo Yolo County, city of Davis, University of California campus. Comment
  UCD36174  Poa pratensis Beecher Crampton 1953-3-29 1038 Yolo Yolo County, city of Davis. Comment
  UCD91900  Poa pratensis Beecher Crampton 1969-4-18 8399 Yolo Davis. Russell Blvd. and University Avenue. Comment
  SEINET202613 Image available Poa scabrella Jack Maze 1963-3-8 11 Yolo 3/4 miles east of Recreation Beaach, State highway 128, Yolo county,Cal. Comment
  UCD58090  Poa secunda Ellen Dean; K. Mawdsley 2007-4-6 3629 Yolo Tuleyome Ireland Ranch. In inner coast range, NW of the City of Winters, between Salt Creek and Enos Creek, just N of Wild Cow Mountain. Southern/central part of ranch. 537 Comment
  UCD73577  Poa secunda Ellen Dean; Elizabeth Goebel 2008-4-7 4721 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat in the northeastern part of the ranch that is accessed by a private road at the end of Moody Slough Road. 70 Comment
  UCD81771  Poa secunda Ellen Dean 2009-4-26 5471 Yolo Bobcat Ranch lands to the N of Hwy 128, just E of Monticello Dam. Bray Canyon. West side of Bray Creek. 91 Comment
  UCD36164  Poa secunda subsp. secunda Beecher Crampton 1953-3-23 1017 Yolo 6 miles W of city of Winters, Putah Canyon. Comment
  UCD91990  Poa sinaica M. Nazir Sankary 1971-5-15 s.n. Yolo Davis. In field near Botany Department greenhouses, UC Davis campus. Comment
  UCD147303  Poa trivialis Carol W. Witham 2003-4-26 968 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD41036  Poa trivialis Carol W. Witham 2003-4-26 968 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD73134  Pogogyne douglasii Ayzik Solomeshch 2003-5-30 s. n. Yolo Department of Fish and Game Glide Tule Ranch, about 8 mi. southeast of Davis. 6 Comment
  CDA40766  Pogogyne douglasii G. D. Barbe 1984-5-7 4159 Yolo Yolo Bypass, east of the Glide Ranch headquarters. Comment
  UCD125403  Pogogyne douglasii W. R. Russell; C. B. Heiser 1947-5-3 1908 g Yolo Under Yolo Causeway. Comment
  RSA654047  Pogogyne douglasii subsp. parviflora Beecher Crampton 1975-5-23 9203 Yolo 1 mile SW of Saxon Station Comment
  UCD21263  Pogogyne zizyphoroides J. Shepard 2000-4-30 153 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, on the south side, past parking lots in field. 12 Comment
  UCD21428  Pogogyne zizyphoroides J. Shepard 2002-4-18 524 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east 0.5 miles along unpaved entrance road to Department of Defense fence. South, to second large vernal pool. 12 Comment
  UCD37918  Pogogyne zizyphoroides Beecher Crampton 1962-5-1 6366 Yolo 1.5 miles southwest of Saxon Station, at junction of County Roads 105 and 38. Comment
  UCD69388  Poinciana gilliesii J. Shepard 1997-7-25 s.n. Yolo City of Davis. Found along the west side of Fifth Street near Pena. Shrub, flowers yellow, stamens red and exserted. Escaped from cultivation in the area. Comment
  CDA22753  Polygonum aviculare P. M. Goodwin 1932-5-3 Yolo Davis. 0 Comment
  JEPS41120  Polygonum aviculare subsp. aviculare Rimo Bacigalupi, L. R. Heckard and C. L. Custer 1965-10-4 9130 Yolo along n-s lateral road 0.9 mi n Hebron Siding (Sacramento Northern Railroad) (1.9 mi ene of Woodland flanking waste water disposal areas on both sides of road) 10 Comment
  CAS-BOT-BC414160  Polygonum aviculare subsp. aviculare John Thomas Howell 1963-6-2 39382 Yolo Woodland Comment
  UCD40928  Polygonum aviculare subsp. depressum J. Shepard 2000-5-20 265 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. Parking lot on north side of entrance road. 12 Comment
  CAS-BOT-BC414296  Polygonum aviculare subsp. depressum Clarence R. Quick 1968-8-25 68 -21 Yolo Garden, Merritt Island, near junction of county roads #140 & 142, 3.5 miles south of Clarksburg Comment
  UCD99985  Polygonum aviculare subsp. depressum C. J. W. 1913-4-1 309 Yolo Davis. Comment
  POM181760  Polygonum lapathifolium H. F. Copeland 1925-9-20 562 Yolo Yolo County: W bank of Sacramento River. Comment
  RSA97518  Polygonum patulum Beecher Crampton 1952-10-27 881 Yolo Yolo County: Depression along the railroad, alkaline soil, 3 miles N of Davis Comment
  UC1562682  Polygonum persicaria Barbara Ertter 1988-10-21 7989 Yolo at Rd 89 crossing just w I-505 (e of gravel pits 1.5 mi n of Madison, ca 10 air mi w of Woodland); Sacramento Valley, Cache Creek 36 Comment
  UC1562671  Polygonum punctatum Barbara Ertter 1988-10-21 7990 Yolo creek at road crossing just w I-505 (e of gravel pits 1.5 mi n of Madison, ca 10 air mi w of Woodland); Sacramento Valley, Cache Creek 36 Comment
  UCD47763  Polypodium calirhiza M. K. Voigt; E. Sweeney and M. Miller 2002-4-13 18 Yolo Mclaughlin UC Reserve. W side of Davis Creek Reservoir, S of road that goes from Soda Spring area to Rayhouse Rd. Ca. 0.5 airline mile due N of Soda Springs and Ca. 1.0 airline mile WNW of UC Davis Aquatic Lab facility. Along edges of running stream and slopes to the north and south of stream on the W side of the road. 487 Comment
  UCD47764  Polypodium calirhiza Ryan Knox; E. McDermott and G. Walden 2002-4-13 21 Yolo Yolo Co., Mclaughlin UC Reserve, W side of Davis Creek Reservoir, along road that goes from Soda Springs area to Rayhouse Rd. 0.5 airline mile due N of Soda Springs and 1.0 airline mile WNW of UC Davis Aquatic Lab facility. 488 Comment
  UCD51650  Polypogon interruptus Collector unknown Fall 1941 Yolo probably about Davis. Comment
  UCD59368  Polypogon maritimus Ellen Dean; Kate Mawdsley 2007-6-8 3843 a Yolo Tuleyome Ireland Ranch, Inner Coast Ranges, northwest of the city of Winters, between Salt Creek and Enos Creek, just N of Wild Cow Mtn. Western part of ranch near stock pond. 627 Comment
  UCD91163  Polypogon maritimus Collector Unknown 1941-8-1 s.n. Yolo Peterson Ranch, Cache Slough. Comment
  UCD91181  Polypogon maritimus Beecher Crampton 1957-5-14 4023 Yolo 1.3 miles west of Zamora. Comment
  CAS-BOT-BC232561  Polypogon monspeliensis Roxana Stinchfield 1916-6-25 317 Yolo In Tule near mouth of Buckeye Creek Comment
  UCD91312  Polypogon monspeliensis K. Esau 1937-5-12 s.n. Yolo Putah Canyon. Comment
  UCR212342  Polypogon monspeliensis Ayzik Solomeshch 2003-5-30 s.n. Yolo Dept. of Fish and Game Glide Tule Ranch, about 8 miles SE of Davis 6 Comment
  UCD91448  Polypogon viridis Beecher Crampton 1955-5-24 2803 Yolo Yolo County, city of Davis. Comment
  UCD91486  Polypogon viridis M. Wiesendanger 1927-5-4 1580 Yolo Putah Canyon. Comment
  CAS-BOT-BC102688  Populus fremontii A. A. Heller; H. E. Brown 1902-4-29 s.n. Yolo Near Madison Comment
  SBBG15062  Populus fremontii Lynn B. Hendrix 1962-4-28 30 Yolo University of California campus, Davis Comment
  UCD80979  Populus fremontii Angelica Sauceda; Ellen Dean, Clare Loughran 2009-4-26 3 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Lower reaches of Bray Canyon near creek crossing. 77 Comment
  UCD110638  Populus fremontii subsp. fremontii H. B. Nidever 1951-5-25 25 Yolo 1 mile west of Cannon Ball, Putah Canyon. Comment
  UCD138300  Potamogeton gramineus David F. Spencer 1989-7-13 s.n. Yolo University of California campus, U.S.D.A. Aquatic Weed Laboratory. Comment
  UCD138312  Potamogeton gramineus David F. Spencer 1989-7-13 s.n. Yolo University of California campus, U.S.D.A. Aquatic Weed Laboratory. Comment
  UCD138247  Potamogeton nodosus Charles B. Heiser 1947-6-10 s.n. Yolo south of West Sacramento. Comment
  UCSC001854  Potamogeton pectinatus J. E. Roadhouse 2007-4-15 1 Yolo Moores Ditch Comment
  UCD113972  Poterium sanguisorba B. Crampton 1959-4-29 s.n. Yolo Agronomy Experimental Areas, Davis Campus. Forage Crops Nursery. Comment
  UCD113974  Poterium sanguisorba D. H. Hartmann 1941-6-28 s.n. Yolo Davis, near Agronomy plots. Comment
  CDA15580  Proboscidea louisianica G. F. Hrusa 1998-7-5 14667 Yolo North Coast Ranges; Immediately S of Guinda on Hwy 16. Comment
  JEPS21898  Proboscidea louisianica subsp. louisianica Malcolm A. Nobs and S. Galen Smith 1949-7-18 1005 Yolo n Winters; Alkaline Grasslands of the San Joaquin Valley, Sacramento Comment
  UC1192045  Proboscidea louisianica subsp. louisianica Malcolm A. Nobs and S. Galen Smith 1949-7-18 1005 Yolo n Winters; Alkaline Grasslands of the San Joaquin Valley, Sacramento Comment
  UCD122111  Proboscidea louisianica subsp. louisianica M. Ensign 1943-8-13 s.n. Yolo near Water Works, Davis. Comment
  UCD122128  Proboscidea louisianica subsp. louisianica Malcolm A. Nobs; S. Galen Smith 1949-7-18 1005 Yolo Sacramento Valley, north of Winters. Comment
  UCD18510  Prosopis chilensis W. R. Russell 1959-6-26 s.n. Yolo city of Winters, 400 block Main St. Comment
  SBBG115941  Prosopis glandulosa var. torreyana W. R. Russell 1959-6-26 Yolo 400 block Main St; Winters Comment
  SEINET10771515  Prunus dulcis Stephanie Frischie 2000-10-7 Frischie 126 Yolo Davis Farmers' Market, Davis, CA. Comment
  UCD113152  Prunus dulcis S. McKinney; C. Buchanan, R. Dippel 2002-4-27 17 Yolo west of the town of Davis. UC Davis Ecosystem Reserve. North side of Putah Creek, just west of the UC Davis Landfill on Pedrick Road. 30 Comment
  UCD20787  Prunus dulcis N. Nicola 2001-2-16 7NN 16 II01 Yolo Eastern foothills of inner North coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  SEINET10771533  Prunus persica Stephanie Frischie 2000-10-7 Frischie 110 Yolo Davis Farmers' Market, Davis, CA. Comment
  UCD22751  Prunus subhirtella A. T. Leiser 1979-4-5 s.n. Yolo Block C Plant 19, Tree 1, UCD. Comment
  UCD20895  Pseudognaphalium californicum N. Nicola 2001-1-5 123 Yolo Capay Valley, on roadside of Hwy. 16, about 1.5 mi. NW of Rumsey. Comment
  UCD20601  Pseudognaphalium luteoalbum E. Dean; with M. Bibbo 2002-7-5 1145 Yolo McLaughlin UC Reserve. Clover Valley, W of main road that goes N-S through valley. 457 Comment
  UCD81023  Pseudognaphalium luteoalbum Ellen Dean; Gordon Harrington 2009-4-1 5366 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. 9 Comment
  CAS-BOT-BC357581  Pseudognaphalium stramineum Clarence R. Quick 1970-7-8 70 -31 Yolo In yard of Nettie M. Plyman, Merrit [Merritt] Island near Clarksburg Comment
  UCD81543  Pseudognaphalium stramineum W. W. Robbins; W. D. Norton 1928-8-1 1426 Yolo near Clarksburg. Comment
  UCD135307  Psilocarphus brevissimus Carol W. Witham 2003-4-7 896 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD40998  Psilocarphus brevissimus Carol W. Witham 2003-4-11 928 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD72410  Psilocarphus brevissimus Ellen Dean; Kate Mawdsley 2008-4-16 4815 Yolo Woodland Regional Park, SE side of Woodland, just south of the intersection of County Roads 102 and 25, Aeromodelers field, just east of road 102. 0 Comment
  UCD80926  Psilocarphus brevissimus Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5329 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Old rodeo parking area. 9 Comment
  CAS-BOT-BC361736  Psilocarphus brevissimus var. brevissimus Doris K. Kildale 1928-5-8 5028 Yolo 12 miles north of Dixon Comment
  CHSC40057  Psilocarphus brevissimus var. brevissimus A. A. Heller; H. E. Brown 1902-4-30 Yolo Near Black's. Comment
  UC1278027  Psilocarphus brevissimus var. brevissimus B. Crampton 1952-11-7 911 Yolo about 3 mi nw Davis Comment
  UCD135265  Psilocarphus brevissimus var. brevissimus D. E. Bramlet 2004-3-26 3543 Yolo South Coast Fairview Park in costa Mesa, 183 meters west of Canyon School and 366 meters northwest of intersection of Wilson and Canyon Dr. 24 Comment
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Aug 13 2018
  UCD21235  Psilocarphus brevissimus var. brevissimus J. Shepard 2000-4-9 118 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. In field south of entrance road, east of all archery ranges. 12 Comment
  UCD21390  Psilocarphus brevissimus var. brevissimus J. Shepard 2001-4-27 434 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road approximately 0.25 miles. Growing in ruts on north side of road. 12 Comment
  CDA8504  Psilocarphus brevissimus var. multiflorus G. D. Barbe 1984-4-25 4155 Yolo Western edge of Yolo By-pass at Glide Ranch, east of Road 106 and 1.4 miles south of Road 36. Comment
  UCD21267  Psilocarphus oregonus J. Shepard 2000-4-30 157 a Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, past parking lots in field. In and between a rutted dirt track going south. 12 Comment
  UCD21274  Psilocarphus oregonus J. Shepard 2000-5-1 166 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road to eastern boundary of park. South approximately 200 yards to a low area and vernal pools. A wide strip has been disked through this area. Water still in 2 pools which extend across fence into undisked area. 12 Comment
  UCD23206  Psilocarphus oregonus A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCR212348  Psilocarphus oregonus Ayzik Solomeshch 2003-6-1 s.n. Yolo Dept. of Fish and Game, Glide Tule Ranch, about 8 miles SE of Davis 66 Comment
  UCD73613  Psilocarphus tenellus Ellen Dean; Elizabeth Goebel 2008-4-7 4741 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat in the northeastern part of the ranch that is accessed by a private road at the end of Moody Slough Road. 70 Comment
  UCD73678  Psilocarphus tenellus Ayzik Solomeshch 2004-5-7 s. n. Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Northeastern part of ranch, Maxwell Flat area, accessed by private road that is at the end of Moody Slough Rd. 71 Comment
  UCD34980  Psilocarphus tenellus Beecher Crampton 1996-4-22 10338 Yolo Yolo County, 3.5 miles S.E. of Woodland, along Mavis-Henson (Field) road, just east of its jct. with county road 102 and just south of road 25, T9N R2E, sect 11. Comment
  SEINET241296 Image available Psilurus aristatus Beecher Crampton 1965-5-6 T.O. 3144 Yolo UC Davis agronomy experimental area, plant introduction nursery, row L-228 Comment
  UCD117079  Ptelea crenulata W. A. Williams 1975-9-18 s.n. Yolo 8 miles NW of Esparto, E slope of Bald Mountain. Comment
  SEINET5715504 Image available Pteris tremula Bijan Dehgan 1972-1 s.n. Yolo Weedy in Botany Greenhouse, University of California campus, Davis.; Univ. of California, Davis Comment
  HSC10867  Puccinellia nutkaensis J. V. Lenz 1947-5-13 Yolo Woodland Airpark Comment
  UCD93361  Puccinellia nutkaensis Beecher Crampton 1953-5-5 1207 Yolo Yolo County, 6 miles north of city of Davis, on Road 102. Comment
  UCD15448  Puccinellia nuttalliana Gene Bishop 1997-5-15 s.n. Yolo California, Yolo Co.; on Conway Farms property; ca. 400 yards east of Road 103, ca. 1 mile north of the intersection of Road 27 and Road 103; 30 Comment
  UCD34247  Puccinellia nuttalliana Beecher Crampton 1978-6-26 9604 Yolo Yolo County, 4 miles S.E. of Woodland, T9N R2E sect. 11 N.E. 1/4. Comment
  CHSC79426  Puccinellia simplex Beecher Crampton 1955-3-28 2345 Yolo 4 miles southeast of Woodland, Woodland Air Park, at juction of County Roads 25 and 102. Comment
  SEINET237203 Image available Puccinellia simplex B. Crampton 1955-3-28 2346 Yolo Junction of County Rds 25 and 103 about 4.5 to 5 mi SE of Woodland Comment
  UCD141581  Puccinellia simplex Ellen Dean 2013-4-19 7700 Yolo Along C.R. 103 near Conaway Ranch, east side of road. About 1 mile south of C.R. 25. Remnant alkali plain vegetation along ca. 50 ft. of roadside, in a sea of roadside weeds. 10 Comment
  UCD92221  Puccinellia simplex Beecher Crampton 1955-3-21 2331 Yolo Yolo County, 2.5 miles northeast of city of Davis. Comment
  UCD92223  Puccinellia simplex Beecher Crampton 1955-3-28 2345 Yolo Yolo County, 4 miles southeast of Woodland, Woodland Air Park, at junction of County Roads 25 and 102. Comment
  UCD92224  Puccinellia simplex Beecher Crampton 1955-3-28 2346 Yolo Yolo County, 4.5-5 miles southeast of Woodland, at junction of County Roads 25 and 103. Comment
  UCD92229  Puccinellia simplex Beecher Crampton 1960-3-10 5480 Yolo 2 miles north of Davis. Comment
  UCD92242  Puccinellia simplex Beecher Crampton 1978-8-14 9663 Yolo Yolo County, ca. 3 miles east of Woodland along Hwy.16, 1 mile east of its junction with county road 102. Comment
  UCD92251  Puccinellia simplex R. Tofsrud 1949-4-1 s.n. Yolo Near Davis dump. Comment
  UCD92254  Puccinellia simplex R. Tofsrud 1949-4-1 s.n. Yolo Near Davis dump. Comment
  HSC10883  Puccinellia simplex J. V. Lenz 1947-4-24 Yolo North of Davis Comment
  SEINET10825279  Pyrus Stephanie Frischie 2000-10-7 Frischie 125 Yolo Davis Farmers' Market, Davis, CA. Comment
  CAS-BOT-BC36630  Quercus C. R. Quick 1972-9-7 7241 Yolo Merritt Island, about 20 miles SSW of Sacramento, just west of the Sacramento River in the SE corner of Yolo County Comment
  UCD56593  Quercus Russell Gripp 1984-11-21 s.n. Yolo 223 Gibson Road. In backyard of Chauncey and Avis Irvine. Comment
  SBBG104700  Quercus X morehus V. C. Forcella 1987-11-22 Yolo St Hwy 16, a few mi N of Guinda Comment
  UCD58068  Quercus agrifolia Ellen Dean; K. Mawdsley 2007-4-6 3608 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 507 Comment
  SEINET4077597  Quercus agrifolia J. M. Tucker 1962-1 3645 Yolo Off northwest corner of Agricultural Engineering Building, University of California campus, Davis. Comment
  UCD164519  Quercus berberidifolia Craig D. Thomsen 2006-8-16 2706 Yolo Camp Haswell County Park. 182 Comment
  UCD45469  Quercus chrysolepis Don K. Sexton 1955-10-16 s.n. Yolo Highway 40, along railroad tracks, north of Davis, California. Comment
  UCD45474  Quercus chrysolepis Don K. Sexton 1955-10-16 s.n. Yolo Center strip of U.S. Highway 40, opposite State Nursery Division of Forestry sign, ca. 3 1/2 miles east of Davis, Yolo County, California. Comment
  UCD45489  Quercus chrysolepis Don K. Sexton 1955-10-16 s.n. Yolo Highway 40, center strip, opposite Division of Forestry sign, State Highway Nursery, north of Davis, California. Comment
  CAS-BOT-BC86624  Quercus douglasii Alice Eastwood 1927-3-28 14221 Yolo near Winters Comment
  UC993158  Quercus douglasii J. M. Tucker 1948-9-22 1870 Yolo 1.3 mi w Guinda Comment
  UCD73672  Quercus douglasii Ayzik Solomeshch 2004-5-1 s. n. Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Northeastern part of ranch, Maxwell Flat area, accessed by private road that is at the end of Moody Slough Rd. 71 Comment
  SACT002128  Quercus engelmannii J. Tucker 1958-4-27 Yolo north edge of University Aboretum Comment
  CDA11240  Quercus lobata G. F. Hrusa, T. D. Wilfred 1994-4-9 11737 Yolo University of California, Davis: Putah Creek Riparian Reserve. Approximately 1/2 m. W of Hopkins Rd. terminus. Comment
  SACT002668  Quercus lobata John Willoughby 1977-4-27 Yolo At fishing access along State Highway 128 about 2.9 miles northwest of the junction of the highway and Pleasants Valley Road, riparian woodland. Comment
  UCD20585  Quercus lobata E. Dean; with M. Bibbo 2002-7-5 1128 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 2 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 472 Comment
  UCD46861  Quercus lobata M. Wiesendanger 1927-5-4 637 Yolo Valley Oak. Putah Canyon. Comment
  UCD50412  Quercus macrocarpa Roman Gankin 2004-9-10 s.n. Yolo CA: Yolo County: Front yard tree at 1145 Auburn Dr., Davis, CA. Comment
  UCD47278  Quercus shumardii Don K. Sexton 1955-10-16 s.n. Yolo Along railroad tracks along north side of U.S. Highway 40, near Armco Plant ca. 1 mile east of Davis, Yolo County, California. Comment
  SEINET6696108 Image available Quercus suber J. M. Tucker 1965-1 s.n. Yolo Davis campus, Davis. Comment
  CAS-BOT-BC474555  Quercus virginiana Jean Shepard 2011-11-7 860 Yolo City of David, From intersection of Covell and Alhambra, 1/4 mi S on Alhambra, W side of street 10 Comment
  UCD160925  Quercus virginiana J. Shepard 2011-11-7 860 Yolo City of Davis. From intersection of Covell and Alhambra, 1/4 mi S on Alhambra, W side of street. 10 Comment
  UCD83676  Quercus wislizeni D. Q. Cavagnaro 1963-10-18 223 Yolo 4 mi W of Winters. 15 Comment
  CAS-BOT-BC539331  Quercus wislizeni John M. Tucker 2002-3-27 4550 Yolo University of California Davis, Arboretum, S side of arboretum waterway, ca 100 yds E of Environmental Horticulture buildings Comment
  UCR239602  Quercus wislizeni var. wislizeni George K. Helmkamp, E. A. Helmkamp 2007-9-17 12973 Yolo West edge of Sacramento Valley, Capay Valley, Brick Chimney Canyon; along County Road-78A, 2.4 miles southwest of its junction with CA-16 and about 3 miles west of Capay 113 Comment
  UCD95971  Ranunculus californicus Ogden C. Riddle 1942-3-30 35 Yolo 5 miles west of Davis on Winters Highway. Comment
  RSA786322  Ranunculus canus Keith E. Hoffmaster 1939-4-6 900 Yolo Putah Canyon. Comment
  CDA24314  Ranunculus canus G. M. Cole 1930-4-6 Yolo Between Davis and Winters. 0 Comment
  POM268170  Ranunculus canus var. blankinshipii J. W. Blankinship 1893-4-15 s.n. Yolo Capay. Mt. Range: Inner North Coast. 122 Comment
  RSA82832  Ranunculus hebecarpus R. B. Griffith 1949-4-11 17 Yolo Yolo County: E of Cache Creek, 5.5 miles N of Rumsey Comment
  UC118242  Ranunculus hebecarpus J. W. Blankinship 1893-4-15 Yolo Madison Comment
  UCD96142  Ranunculus hebecarpus R. B. Griffith 1949-4-11 17 Yolo east of Cache Creek, 5.5 miles north of Rumsey. Comment
  RSA481920  Ranunculus hebecarpus Aaron Liston, James D. Morefield 1988-3-20 713 -1 Yolo 1 miles E of Cache Creek County Park, above Cache Creek. 250 Comment
  UCD55496  Ranunculus muricatus J. Shepard 2004-3-24 646 Yolo City of Davis. SE corner of intersection of Tulip Lane and Temple Drive, Slide Hill Park. Comment
  UCD73619  Ranunculus muricatus Ellen Dean; Elizabeth Goebel 2008-4-7 4746 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat, west of Dry Creek road crossing. 83 Comment
  UCD22456  Raphanus Joe Di Tomaso 2003-7-15 s.n. Yolo University Farm. Grass flats, Field A. Comment
  UCD80918  Raphanus raphanistrum Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5321 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. 9 Comment
  CDA16210  Raphanus sativus G. F. Hrusa 1999-4-25 15026 Yolo Sacramento Valley; I-5 exit to River Rd., +- 3-4 mi S of Woodland on W side. 5 Comment
  CDA37070  Raphanus sativus CDFA Staff s.n. Yolo Rominger Prop., north of County Road 19, east of County Road 92C, west of County Road 94B. 0 Comment
  SEINET10735196  Raphanus sativus Stephanie Frischie 2000-10-7 Frischie 102 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET10735198  Raphanus sativus Stephanie Frischie 2000-9-27 Frischie 86 Yolo Davis Farmers' Market, Davis, CA. Comment
  UCD115226  Raphanus sativus K. Twitchell 1996-4-21 15 Yolo Davis, Road 96 near Russell Boulevard. 22 Comment
  UCR237587  Raphanus sativus George K. Helmkamp, E. A. Helmkamp 2012-3-9 18605 Yolo Sacramento Valley, East Main Street (Co. Rd. 22), Woodland (parallel to I-5), 1.7 mile west of the Sacramento River 7 Comment
  SEINET5731468 Image available Raphanus sativus Bradford Bearce 1965-1 17 Yolo On Hwy 128, 7 mi. W of Winters.; Winters Comment
  UCD115179  Raphanus sativus Chas. Heiser 1947-3-7 s.n. Yolo Davis. Comment
  UCD15497  Raphanus sativus Larry Reynolds 1984-5-5 3 Yolo Putah Creek at Pedrick Road. 21 Comment
  SEINET12210761  Rhamnus alaternus E. L. Gedling, McCaskill, J.; Onaga, K. 1965-1 s.n. Yolo Davis, University of California campus, Solano Park student housing complex Comment
  CAS-BOT-BC55969  Rhamnus ilicifolia Roxana Stinchfield 1916-6-26 346 Yolo Foothills near Dunnigan De ?ly Sheep Ranch Comment
  UC80267  Rhamnus tomentella subsp. tomentella C. F. Baker 1903-5-7 3071 Yolo Rumsey Comment
  RSA96673  Rhamnus tomentella subsp. tomentella Percy C. Everett, E. K. Balls 1954-10-19 20369 Yolo 6.9 miles SW from jct of Hwy 20 on raod from Rumsey to Knoxville and lower Lake. 366 Comment
  UC449687  Rhus trilobata W. P. Taylor 1912-6-26 Yolo Rumsey Comment
  RSA140273  Rhus trilobata var. pilosissima Jill S. Miller 1959-4-20 5 Yolo Cache Creek Canyon, 6 miles northwest of Rumsey, State Highway 16 Comment
  UCD164021  Ribes aureum Jean Shepard 2016-2-25 901 Yolo City of Davis. Myrtle Pl. Comment
  UCD72438  Ribes victoris Ellen Dean 2008-4-25 4863 Yolo Tuleyome Ireland Ranch, central part of ranch in drainage that goes downhill from area of loop road where vehicles are normally parked. 598 Comment
  UC638701  Rigiopappus leptocladus Ethel Crum 1938-5-7 2001 Yolo four mi n Rumsey; Inner North Coast Range, Cache Creek Canyon 152 Comment
  CAS-BOT-BC341013  Robinia pseudoacacia J. H. Thomas 1960-8-30 8872 A Yolo About 5 miles south of Winters along highway to Vacaville Comment
  UCD34582  Robinia pseudoacacia Beecher Crampton 1985-10-10 10027 Yolo Yolo County, Russell blvd. and road 98, S.W. corner. Comment
  UCD21529  Rostraria cristata Joe DiTomaso 2003-4-23 s.n. Yolo west of Winters, off Road 87. Comment
  UCD113769  Rubus armeniacus Mark Pearson 1979-4-19 11 Yolo 4.7 miles west of Road 113 on Road 31. Next to dry creekbed. 13 Comment
  UCD168443  Rubus armeniacus Ellen Dean 2017-3-15 9265 Yolo Audubon Bobcat Ranch, lands north of Hwy 128, just east of Monticello Dam. Bray Canyon and vicinity on the western side of ranch. Ranch burned once each year in 2014, 2015, 2016. 2017 has been a high rainfall year. Lower reaches of Bray Canyon, in creek on rocky/pebbly island on west bank of creek. 85 Comment
  UCD20888  Rubus armeniacus N. Nicola 2001-5-24 116 Yolo Sacramento Valley, 4 miles west of Woodland, at Cache Creek Nature Preserve, riparian zone of Cache Creek. Comment
  UCD58488  Rubus armeniacus J. Shepard 2007-7-4 811 Yolo Co. Rd. 22 east of Woodland, 4.8 mi. east of junction with Co. Rd.102. Growing along south side of road near ditch. Comment
  UCD113805  Rubus pensilvanicus K. Lui 1998-4-19 23 Yolo Davis, Orchard Park community plots. 16 Comment
  SBBG50778  Rubus ursinus E. L. Reimers 1963-4-19 34 Yolo near railroad tracks 0.25 mi E of Davis Comment
  JEPS84656  Rumex conglomeratus John W. Willoughby 1976-7-29 1824 Yolo about 1.2 mi nw State Hwy. 128 and County Rd 86 (Pleasants Valley Rd) jct (at fishing access along State Hwy 128, near Putah Creek); Vaca Mountains, Putah Creek 60 Comment
  UCD141668  Rumex conglomeratus Ellen Dean; M. Taylor, K. MacMillan 2013-6-13 7793 Yolo City of Davis South Fork Preserve, along Mace Blvd. (County Road 104) south of the City of Davis boundary. North bank of Putah Creek in Plot MBN 4E of the Putah Creek vegetation survey. 9 Comment
  UCD80935  Rumex conglomeratus Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5338 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Old rodeo area. Buildings gone now. 9 Comment
  CDA30910  Rumex crispus M. Beyers 2010-5-12 449 Yolo Just east of County Road 87, along County Road 19 and an orchard drainage ditch here. 54 Comment
  UC452563  Rumex crispus Tracy J. Storer 1912-6-27 Yolo Rumsey Comment
  UCD101136  Rumex crispus A. S. Crafts 1926-7-8 439 Yolo University Farm Campus, Davis. Comment
  UCD144273  Rumex crispus Carol W. Witham 2003-4-7 906 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  SEINET4199900  Rumex crispus Schank 1959-3-28 s.n. Yolo 10 mi N of Davis on a back country road 15 Comment
  UCD14395  Rumex crispus Heidi Haugen 1984-4-15 12 Yolo near and under a bridge. 15 Comment
  UCD73614  Rumex pulcher Ellen Dean; Elizabeth Goebel 2008-4-7 4741 a Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat in the northeastern part of the ranch that is accessed by a private road at the end of Moody Slough Road. 70 Comment
  UCD81042  Rumex pulcher Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5584 a Yolo city of Woodland. Woodland Regional Park. East side of County Road 102, just south of County Road 25. East side of drainage pond. 9 Comment
  UCD101623  Rumex salicifolius P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co. Clarksburg, Sacramento River. Comment
  UCD18402  Ruta graveolens Elizabeth McClintock 1982-4-26 s.n. Yolo Woodside. Comment
  CDA19780  Saccharum ravennae J. Chesi 2001-8-11 s.n. Yolo Northern California; Route 16 mile marker 3.22 overlooking level of Cache Creek. 6-7 ft tall, common in area. 0 Comment
  UCD144787  Sagina decumbens subsp. occidentalis Carol W. Witham 2003-4-9 908 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD41158  Salix N. Nicola 2002-4-10 176 Yolo Eastern foothills of inner north coast range, Berryessa Valley. About 1.2 miles as the crow flies east of Monticello Dam, off of Hwy 128, south side of creek. Comment
  CAS-BOT-BC129704  Salix bonplandiana Roxana Stinchfield 1916-7-1 364 Yolo Mouth of Buckeye Creek Comment
  UCD110785  Salix breweri Edward L. Smith 1967-4-8 s.n. Yolo Putah Creek Canyon; at Monticello Dam, ca. 7 miles west of Winters. 76 Comment
  UCD110787  Salix breweri Edward L. Smith 1967-4-8 s.n. Yolo Putah Creek Canyon; at Monticello Dam, ca. 7 miles west of Winters. 76 Comment
  UCD110798  Salix breweri Edward L. Smith 1967-8-10 910 Yolo Putah Creek Canyon, 7 miles west of Winters. 76 Comment
  CHSC9581  Salix exigua E. L. Smith 1971-4-29 955 Yolo Ca. 12.8 km w of Winters, in Putah Creek Canyon about 2 km below Monticello Dam. 76 Comment
  UCD110933  Salix exigua P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co. Clarksburg -- Sacramento River. Comment
  UCD34074  Salix exigua Beecher Crampton 1976-3-20 9361 Yolo Yolo County, Vaca Mtns. Putah Creek canyon, ca. 8 miles west of Winters. Comment
  UCD34612  Salix exigua Beecher Crampton 1986-9-3 10059 Yolo Yolo County, ca. 3.5 miles N.W. of Davis, Dry Slough and road 99. Comment
  UCD34626  Salix exigua Beecher Crampton 1986-9-10 10072 Yolo Yolo County, 1/2 mile north of Capay, north edge of Cache Creek. Comment
  UCD80981  Salix exigua Clare Loughran; Ellen Dean, Angelica Sauceda 2009-4-26 2 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Lower reaches of Bray Canyon. Near the first Ceek crossing along old road. 77 Comment
  CAS-BOT-BC104028  Salix gooddingii A. A. Heller 1902-4-29 5419 Yolo Near Madison Comment
  CDA12892  Salix gooddingii G. F. Hrusa 1996-3-25 12698 Yolo Central Valley; Tule Canal, approx. 1/2 mile E of Interstate 5 on S side of Yolo Bypass. Comment
  CHSC114277  Salix gooddingii D. G. Kelch 2007-5-18 07 .317 Yolo Yolo Causeway, 04. mi E of Levee Rd. / RR crossing. 4 Comment
  POM166923  Salix gooddingii Roxana Stinchfield 1916-7-1 480 Yolo Mouth of Buckeye Creek. Comment
  UC599628  Salix gooddingii A. A. Heller 1902-4-29 5419 Yolo near Madison 12 Comment
  UC75011  Salix gooddingii C. F. Baker 1903-5-7 2936 Yolo Rumsey Comment
  UCD110955  Salix gooddingii Edwin A. Crosby 1952-4-11 9 B Yolo University of California at Davis. Comment
  UCD110962  Salix gooddingii G. F. Hrusa 1996-3-25 12698 Yolo S bank of Tule Canal, approx. 1/2 mile E of Interstate 5 on S side of Yolo Bypass. 30 Comment
  UCD16134  Salix gooddingii Maura Cullinane 1983-5-10 20 Yolo California. Yolo County: N. on Frontage Rd. from Davis, turn left at Golf Course and go until cross stream, site #6. 15 Comment
  UCD161080  Salix laevigata Craig Thomsen 2006-6-30 2624 Yolo Rumsey Canyon along Cache Creek. Otis-Camp Haswell Yolo County Park. West side of Cache Creek. 144 Comment
  UCD34630  Salix laevigata Beecher Crampton 1986-9-23 10076 Yolo Yolo County, Putah Creek south of University airport. Comment
  CAS-BOT-BC125156  Salix lasiandra var. lasiandra Beecher Crampton 1987-5-11 10117 Yolo County road 103 and Willow Slough Comment
  CAS-BOT-BC125157  Salix lasiandra var. lasiandra Beecher Crampton 1987-3-31 10094 Yolo Willow Slough and county road 99, 4.5 miles N.W. of Davis Comment
  UCD34618  Salix lasiandra var. lasiandra Beecher Crampton 1986-9-3 10064 Yolo Yolo County, 3.5 miles S.E. of Woodland, Willow Slough and road 103. Comment
  CAS-BOT-BC106976  Salix lasiolepis Beecher Crampton 1976-1-5 9343 Yolo ca. 5.5 miles west of Winters along Hwy. 128. Banks of Putah Creek Comment
  UCD111598  Salix lasiolepis Cay Collette 1975-4-12 7 Yolo Knight's Landing, approx. 10' from Sacramento River. 15 Comment
  UCD34067  Salix lasiolepis Beecher Crampton 1976-1-5 9343 Yolo Yolo County, ca. 5.5 miles west of Winters along Hwy. 128. Comment
  UCD34606  Salix lasiolepis Beecher Crampton 1986-8-26 10053 Yolo Yolo County, ca. 5-6 miles west of Winters along Putah Creek, public access area. Comment
  UCR148146  Salix lasiolepis Beecher Crampton 1986-8-26 10053 Yolo c. 5-6 mi west of Winters along Putah Creek, public access area Comment
  UCD111755  Salix melanopsis Collector unknown 1925-6-20 1929 Yolo Putah Canyon. Comment
  UCD111762  Salix melanopsis Cay Collette 1975-5-31 24 Yolo Knight's Landing. 15' from Sacramento River. 15 Comment
  UCD162380  Salpichroa origanifolia Ernest Fix 1942-6-20 s.n. Yolo Between Davis and Woodland. Comment
  UCD162405  Salpichroa origanifolia Beecher Crampton 1970-4-29 s.n. Yolo Davis. Comment
  UCD20773  Salsola damascena E. A. Dean; J. Shepard 2002-7-11 s.n. Yolo Yolo County. City of Davis. University of California farm. 19 Comment
  UCD149334  Salsola tragus Collector Unknown 1932-5-31 s.n. Yolo City of Woodland. 25 Comment
  UCD21313  Salsola tragus J. Shepard 2000-5-20 260 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. Past parking lot on north side of entrance road. Growing in mounds of soil used as backstops for archery targets. 12 Comment
  UCD21346  Salsola tragus J. Shepard 2000-10-24 346 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. East of first parking lot on south side. 12 Comment
  UCD38944  Salsola tragus Beecher Crampton 1961-10-17 6030 Yolo UC- Davis campus southeast of the airport, along old Putah Creek channel. Comment
  UCD41147  Salvia apiana N. Nicola 2002-6-12 231 Yolo Eastern foothills of inner north coast range, Capay Valley. North of Guinda, Rd 43 off Hwy 16; Fullbelly Farm. Comment
  JEPS15255  Salvia carduacea Rimo Bacigalupi with S. Galen Smith 1950-4-16 3127 Yolo about 5 mi nw Rumsey (at bend in Cache Creek Canyon; at Yolo - Colusa County boundary, e edge of Inner North Coast Ranges); Inner North Coast Ranges Comment
  UC1049548  Salvia carduacea Rimo Bacigalupi 1950-4-16 3127 Yolo about 5 mi nw Runsey (at bend of Cache Creek Canyon, to the ne of road, Colusa-Yolo County line); Inner North Coast Ranges, Cache Creek Canyon Comment
  UCD81466  Sambucus mexicana M. Wiesendanger 1927-4-29 626 Yolo Capay. Comment
  SBBG50913  Sambucus nigra subsp. caerulea J. D. Watjen 1969-4-27 30 Yolo State Hwy 128, 7 mi W of Winters, Putah Crk Cyn Comment
  UCD137214  Sambucus nigra subsp. caerulea P. Thompson 1996-4-14 2 Yolo Davis, south side of town, path parallel to Valdora Road. 210 Comment
  UCD137218  Sambucus nigra subsp. caerulea M. Wiesendanger 1927-4-29 626 Yolo Capay. Comment
  UCD137633  Sambucus nigra subsp. caerulea Charles Heiser; Dorothy Heiser 1946-11-9 1873 Yolo along creek near the campus, Davis. Comment
  UCD67990  Sambucus nigra subsp. caerulea M. Thibodeau 1995-5-24 21 Yolo Along Putah Creek, at University of California, Davis picnic grounds. Found on North side of creek, on streambank. A large shrub. 17 Comment
  UCD137655  Sambucus nigra subsp. caerulea R. Koch 1996-6-5 23 Yolo city of Davis. Along roadside of Arlington Blvd. in West Davis, by Aspen Wildlife area. 15 Comment
  UCD47836  Sanicula bipinnata A. Laffin; A. Randall, S. Holck 2002-4-13 19 Yolo Yolo Co, McLaughlin UC Reserve. W side of Davis Creek Reservoir, along road that goes from Soda Spring area to Rayhouse Rd. Ca. 0.5 airline mile due N of Soda Springs and ca. 1.0 airline mile WNW of UC Davis Aquatic Lab facility, south of running stream, 9 yards from north side of road. Ca. 1600 ft. 457 Comment
  UCR131636  Sanicula bipinnata Beecher Crampton 1978-3-16 9545 Yolo Sacramento Valley, 2 miles west of Winters 46 Comment
  UCD128013  Sanicula bipinnatifida E. H. Stanford 1940-4-1 s.n. Yolo Putah. Comment
  UCD127983  Sanicula crassicaulis Cherry Kline 1964-3-21 4 Yolo Cache Creek Canyon, State Highway 16, north of Rumsey. Comment
  RSA0048657  Sanicula menziesii Keith E. Hoffmaster 1946-4-13 1258 Yolo Putah Can. Comment
  RSA0048658  Sanicula menziesii Keith E. Hoffmaster 1946-4-13 1258 Yolo Putah Can. Comment
  UCD22753  Schinus molle Collector unknown 1988-2-8 s.n. Yolo Collected behind music building. Comment
  UCD41078  Schoenoplectus acutus var. occidentalis Carol W. Witham 2003-8-8 1009 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD50084  Schoenoplectus acutus var. occidentalis S. C. Hanson 1949-5-15 5 Yolo Along irrigation ditch east of Yolo Bypass, 2 miles northwest of Sacramento. Comment
  UCD85256  Schoenoplectus americanus Christopher Michael Bronny 2010-9-19 27 Yolo Yolo County; Edge of Capay Dam apron, Cache Creek. 65 Comment
  UCD33865  Scirpus microcarpus Beecher Crampton 1974-6-18 9058 Yolo ca. 6 miles west of Winters, Putah Creek. Comment
  UCR106853  Scrophularia californica subsp. californica Allen Gilbert 1974-4-28 29 Yolo 5 mi east of Monticello dam, on Hwy 128, near Putah Creek 61 Comment
  UC936068  Secale G. L. Stebbins Jr. 1950-8-13 Yolo Davis Comment
  UCD92571  Secale cereale Collector unknown 1925-5-9 2108 Yolo Davis. Comment
  UC144320  Sedum spathulifolium C. F. Baker 1907-5-6 3236 Yolo Cache Creek Canyon Comment
  UCD159328  Senecio vulgaris D. S. Park; J. Perez 2010-4-10 18 Yolo Yolo County.: UC Davis campus, lawn. Comment
  UCD19446  Senecio vulgaris J. Shepard 2000-2-18 38 Yolo Grasslands Regional Park. East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road; immediately to the north in a graveled parking lot. 12 Comment
  UCD80912  Senecio vulgaris Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5316 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. 9 Comment
  SBBG362  Sequoia sempervirens J. McCaskill 1955-4-6 382 Yolo E side of water tower at W end of Temporary Building 4, UC Davis campus Comment
  SEINET8057877 Image available Sequoia sempervirens June McCaskill 1955-1 382 Yolo East side of water tower at west end of Temporary Building 4, University of California, Davis Comment
  CDA32085  Sesbania punicea C. Owens 2010-9-2 s.n. Yolo West banks of the Sacramento River at Stan s Yolo Marina. 0 Comment
  RSA0033963  Sesuvium verrucosum Ellen Dean, C. Robbins 2013-8-28 7990 Yolo Eastern edge of the City of Woodland. North of Gibson Road extension on E side of Pole Line Rd (County Rd 102), north of existing sewer plant in an area that once had evaporation ponds. 0 Comment
  SBBG26322  Setaria parviflora B. Crampton 1965-7-27 Yolo US Hwy 99, 2.5 mi NNW of Davis Comment
  UCD32956  Setaria parviflora Beecher Crampton 1965-8-2 7475 Yolo Yolo County, just north of city limits of Davis on Pole Line rd.. Comment
  UCD92583  Setaria parviflora Beecher Crampton 1965-7-27 7474 Yolo 2.5 miles N.N.W. of Davis on US Hwy. 99. Comment
  UCD92584  Setaria parviflora Beecher Crampton 1965-8-2 7475 Yolo just north of city limits of Davis on Pole Line Rd.. Comment
  HSC87808  Setaria pumila June McCaskill, Katherine Onaga 1962-8-9 657 Yolo County Rd. 31, .3 mi. E of junction with Hwy. 99 W Comment
  UCD36796  Setaria pumila Beecher Crampton 1955-9-29 3163 Yolo Yolo County, 1.5 north of city of Davis, along U.S. Highway 99W. Comment
  UCD37705  Setaria verticillata Beecher Crampton 1961-7-14 5930 Yolo Yolo County, city of Davis. Comment
  UCD92815  Setaria verticillata Beecher Crampton 1961-7-14 5930 Yolo city of Davis. Comment
  UCD92824  Setaria verticillata R. N. Raynor 1939-7-15 s.n. Yolo Yolo County. Comment
  UCD92832  Setaria viridis Beecher Crampton 1955-7-29 3130 Yolo west of the gymnasium, UC Davis Campus. Comment
  UCD92838  Setaria viridis Beecher Crampton 1961-7-21 5937 Yolo city of Davis, University of California campus. Comment
  UCD92886  Setaria viridis Collector unknown 1925-6-16 2116 Yolo University Farm campus. Comment
  UCD15537  Sida hederacea Lara Hawthorne 1989-6-3 20 Yolo 6 miles east of Winters. 15 Comment
Read comments
Jan 22 2008
  RSA699277  Sidalcea Keith E. Hoffmaster 1939-4-6 s.n. Yolo Putah Canyon. Comment
  JEPS84737  Sidalcea keckii John W. Willoughby 1977-4-27 2238 Yolo hills n of State Highway 128 at fishing access 1.2 mi nw of the junction of the highway and Pleasants Valley Road (County Road 86) (Vaca Mountains); Vaca Mountains 73 Comment
  UC187416  Sidalcea keckii J. W. Blankinship 1893-5-30 Yolo Capay Valley Comment
  UCD36601  Sidalcea keckii Beecher Crampton 1955-5-12 2771 Yolo Yolo County, 7.5 miles west of city of Davis, Moon Ranch. Comment
  UCD72403  Sidalcea keckii Ellen Dean; C. Witham, R. Preston, J. Buck 2007-4-20 3707 Yolo Dept. of Fish and Game Tule Ranch property, SW of the intersection of County Roads 106 and 38 (continue S through gate on extension of C.R. 106, turn west to farm structures). 1 Comment
  UCD116638  Sidalcea keckii Craig Thomsen 1993-4-1 1796 Yolo at corner of Road 96 and Yellowstone, NW end of city of Davis. Comment
  UCD20850  Silene gallica N. Nicola 2001-4-19 066 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  UCD41013  Silene gallica Carol W. Witham 2003-4-11 943 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD98968  Silene laciniata subsp. californica H. B. Currier; C. B. Heiser Jr. 1947-4-10 1898 Yolo just off Highway 16, 1 mile northwest of Rumsey. Comment
  UCD38303  Silene vulgaris Beecher Crampton 1953-11-30 1740 Yolo UC Davis. Comment
  SEINET13203171 Image available Silybum marianum George K. Helmkamp, Mary Alice Barnes 2013-1 20521 Yolo Southern Sacramento Valley: Yolo Bypass Wildlife Area, 0.9 mile southeast of the junction of Chiles Road and I-80, between Sacramento and Davis (Davis 7.5' Q.) 13 Comment
  UCD135835  Silybum marianum A. S. Crafts 1926-7-8 451 Yolo University Farm Campus, Davis. Comment
  UCD68014  Silybum marianum C. P. Pease 1995-5-20 S.N. Yolo East side of University of California, Davis campus, Experimental College gardens. 16 Comment
  UCD80973  Silybum marianum Ellen Dean; R. Rawson, J. Herford, A. Weidling, H. McGinnis 2009-4-1 5356 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Western side of property used by model airplane club. 9 Comment
  CAS-BOT-BC364815  Silybum marianum W. D. Hamilton 1946-4-19 s.n. Yolo 5 miles No. of Davis, edge of rice field along SpR.R. Comment
  RSA473582  Silybum marianum Glenn A. Gorelick 1966-5-3 s.n. Yolo C Street and 2nd Street, Davis. Comment
  UCD135837  Silybum marianum B. Crampton 1959-12-3 s.n. Yolo Agronomy, UC Davis Campus. Comment
  UCD135841  Silybum marianum Janet Jacob 1951-4-22 65 Yolo on north side of Putah Creek west of Stevenson's Bridge. Comment
  UCD135847  Silybum marianum R. Molholm 1998-6-5 30 Yolo western side of UC Davis campus, across dirt road from the hydrology laborator, along fence just outside of Putah Creek reserve. 21 Comment
  UCD73650  Sinapis Jean Shepard 2006-4-22 791 Yolo City of Davis. 3100 Loyola Ave. Grounds of Korematsu school. Comment
  UCD73810  Sinapis Jean Shepard 2006-4-22 791 Yolo City of Davis. 3100 Loyola Ave. Grounds of Korematsu school. Comment
  CDA30596  Sinapis arvensis M. Beyers 2010-5-12 453 Yolo Just east of County Road 87, along County Road 19. Sheet 1 of 2. 54 Comment
  CDA3902  Sinapis arvensis Margaret Bellue 1933-6-6 Yolo 0 Comment
  RSA562291  Sinapis arvensis D. Charlton 1990-3-3 4174 Yolo Southwest of University of California, Davis, frontage road off Highway 80. 15 Comment
  UCD115405  Sinapis arvensis A. S. Crafts 1932-6-6 1 Yolo Boyer Ranch, near Davis. Comment
  UCD82165  Sinapis arvensis Jean Shepard 2000-6-30 321 Yolo City of Davis. Intersection of Cowell Blvd. and Chiles Rd., north side. Comment
  HSC6921  Sisymbrium officinale M. Dole 1963-4-14 69 Yolo 1 mi. S of Hwy. 40 on Rd. 105 Comment
  SBBG115668  Sisymbrium orientale A. M. Shapiro 1985-4-11 Yolo University of California Davis campus, Old Davis Rd, near 1-80 jct Comment
  UCD38683  Sisymbrium orientale Beecher Crampton 1957-5-10 4001 Yolo Davis. Comment
  UCD126826  Solanum americanum W. T. P. 1916-10-1 s.n. Yolo Putah Creek near Davis. Comment
  UCD126840  Solanum cardiophyllum Paul Smith 1969-8-21 s.n. Yolo Vegetable Crops Department's Campbell Tract, University of California campis, Davis. Comment
  CDA19899  Solanum elaeagnifolium R. Breckenridge 2002-7-2 PDR 1204556 Yolo Sacramento Valley; Surrounding Winters High School playing field and private residence. 0 Comment
  CDA41198  Solanum elaeagnifolium G. D. Barbe 1985-6-18 4234 Yolo Delmonte Street and Harbor Boulevard, Port of Sacramento, West Sacramento. 0 Comment
  UCD38520  Solanum elaeagnifolium Beecher Crampton 1955-8-11 3132 Yolo UC Davis Campus. Comment
  UCD39021  Solanum elaeagnifolium Beecher Crampton 1960-10-4 5784 Yolo UC-Davis Campus, northeast of Agronomy Warehouse. Comment
  UCD126947  Solanum nigrum Charles B. Heiser Jr. 1947-5-30 s.n. Yolo 1st and F Streets, Davis. Comment
  UCD126984  Solanum parishii M. Phillips 1929-4-30 1973 Yolo Putah Canyon. Comment
  UCD126988  Solanum parishii J. D. Skoss 1948-6-6 28 Yolo Putah Canyon, 2 miles below Yolo-Napa county line. Comment
  NY821170  Solanum parishii B. J. Ertter 1989-5-28 8533 Yolo NW corner of Yolo Co.: Rayhouse Road 4.3 mi from Hwy 16, E side of ridge between Blue Ridge and Little Blue Ridge, 0.4 mi below crest at large roadcut, ca. 5 airmiles WSW of Rumsey 732 Comment
  SBBG50879  Solanum parishii M. N. Artist 1965-5-2 11 Yolo Putah Crk Rd, 1.5 mi E of its jct with Pleasants Valley Rd Comment
  UCD126975  Solanum parishii Charles B. Heiser Jr. 1947-4-10 1902 Yolo In canyon, northwest of Highway 16, 1 mile north of Rumsey. Comment
  UCD126997  Solanum physalifolium var. nitidibaccatum Ken Kimball 1982-4-26 s.n. Yolo exact location unknown. Comment
  UCD36774  Solanum rostratum Beecher Crampton 1955-7-29 3131 Yolo city of Davis, University of California campus, horse pasture west of sewage disposal site. Comment
  UC735730  Solanum umbelliferum Charles B. Heiser Jr. 1947-4-10 1902 Yolo about 1 mi n of Rumsey (nw of Highway 16) Comment
  UCD149349  Solanum umbelliferum Yolo County 4H Club 1932-10-6 s.n. Yolo Yolo County. 15 Comment
  UCD127086  Solanum xanti Ogden C. Riddle 1942-3-30 54 Yolo Putah Canyon, 4 miles west of Recreation Beach. Comment
  UCD94988  Solanum xanti Alexis Fuller; Ellen Dean and Clare Loughran 2011-5-8 7 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Three fourths of the way up Bray Canyon. East side of Bray creek. 135 Comment
  UCD136128  Sonchus asper subsp. asper A. S. Crafts 1926-7-8 425 Yolo University Farm Campus, Davis. Comment
  UCD151028  Sonchus asper subsp. asper D. S. Park 2010-6-1 109 Yolo Dixon. Edges of cornfield across st. from Walmart. 12 Comment
  UCD21311  Sonchus asper subsp. asper J. Shepard 2000-5-20 256 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, past parking lots on south side. 12 Comment
  UCD38748  Sonchus asper subsp. asper Beecher Crampton 1957-9-16 4613 Yolo 8.5 miles northwest of Davis. Comment
  UCD136177  Sonchus oleraceus K. Esau 1937-5-28 s.n. Yolo Davis. Comment
  UCD136191  Sonchus oleraceus June McCaskill 1973-4-9 770 Yolo behind Robbins Hall, University of California campus, Davis. Comment
  UCD136207  Sonchus oleraceus Alice Warrick 1979-5-19 29 Yolo Davis. 870 Linden lane. Growing as a weed in cultivated garden. 13 Comment
  CAS-BOT-BC236537  Sorghum bicolor J. H. Thomas 1960-8-30 8868 Yolo About 5 miles south of Winters along highway to Vacaville Comment
  CDA2486  Sorghum bicolor G. D. Barbe, T. C. Fuller 1979-9-2 2251 Yolo West of County Road 95, between county roads 25 and 27, southwest of Woodland. 0 Comment
  CAS-BOT-BC236564  Sorghum halepense Beecher Crampton 1989-9-17 10230 Yolo Villanova Drive, Davis Comment
  UCD92650  Sorghum halepense Beecher Crampton 1955-10-13 3176 Yolo Davis. Comment
  UCD92655  Sorghum halepense Beecher Crampton 1961-6-1 5881 Yolo 1 mile N of Davis. Comment
  UCD92765  Sorghum halepense R. Tofsrud 1947-5-8 s.n. Yolo Near Esparto. Comment
  UCD94814  Sparganium eurycarpum Beecher Crampton 1961-10-25 6048 Yolo 4 miles NW of Bryte, Yolo Bypass. Comment
  UCD99159  Spergula arvensis K. Esau 1932-4-22 s.n. Yolo Davis; in agronomy plots. Comment
  UCD21271  Spergularia bocconi J. Shepard 2000-5-1 162 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, nearly to eastern boundary (with Air Force property). In track used by vehicles, between ruts. 12 Comment
  HSC4244  Spergularia macrotheca C. B. Wolf 1928-5-8 2141 Yolo 12 mi. N of Dixon on the Pacific Hwy. Comment
  CAS-BOT-BC390253  Spergularia macrotheca var. leucantha A. A. Heller; H. E. Brown 1902-4-30 5423 Yolo Near Black's Comment
  CAS-BOT-BC390254  Spergularia macrotheca var. leucantha A. A. Heller; H. E. Brown 1902-4-30 5423 Yolo Near Black's Comment
  SBBG115383  Spergularia macrotheca var. leucantha B. Crampton 1985-4-10 9912 Yolo 3.5 mi SE of Woodland Comment
  UCD99228  Spergularia macrotheca var. leucantha K. Esau 1935-5-1 s.n. Yolo Near Davis. Comment
  RSA0098424  Spergularia macrotheca var. leucantha L. R. Abrams 1928-5-8 12601 Yolo Between Woodland and Davis. Comment
  UCD84318  Spergularia rubra Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  CAS-BOT-BC391045  Spergularia villosa J. D. Skoss 1948-5-30 s.n. Yolo 3 miles north of Davis on county road Comment
  RSA0004235  Sphaeralcea fremontii var. exfibulosa W. L. Jepson 1934-6-18 16741 Yolo Putah Creek bed, near Winters. [County not specified on label] Comment
  UCD32996  Sporobolus cryptandrus Beecher Crampton 1965-10-8 7536 Yolo 1 mile NE of Woodland on Kentucky Ave. (County Road 20), just W of its junction with Couny Road 101. Comment
  SEINET239028 Image available Sporobolus poiretii Beecher Crampton 1978-7-10 9620 Yolo UC Davis campus. Comment
  UCD73122  Stachys ajugoides Ayzik Solomeshch 2003-6-1 s. n. Yolo Department of Fish and Game Glide Tule Ranch, about 8 mi. southeast of Davis. 6 Comment
  SEINET10935817  Stachys ajugoides H. Lewis 1940-6-12 Lewis s.n. Yolo Edge of slough, 5 mi n of davis. Comment
  UCD20377  Stachys ajugoides K. Esau 1932-5-22 s. n. Yolo Yolo County, near Woodland. Comment
  CAS-BOT-BC374801  Stebbinsoseris heterocarpa Blankinship 1893-3-19 s.n. Yolo Unspecified Comment
  SD240962  Stellaria media George K. Helmkamp, E. A. Helmkamp 2012-3-9 18617 Yolo Sacramento Valley: County Road 16, 2.1 miles east of its junction with County Road 102; at the area where the road turns sharply north, c. 4 miles NE of Woodland (Grays Pond 7.5'Q) 17 Comment
  UCD160104  Stellaria media Taylor Wolzen 2015-4-12 1 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. 188 Comment
  UCD62878  Stellaria media Chris Mosser; Plant Biology 102 students 2008-5-3 7 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. Along Bray Creek. Plant found ~ 8' from creek. 100 Comment
  SFV8396  Stellaria media R. Crouse 1960-3-8 18 Yolo Sacramento Valley Along Putah Creek, about 3 miles west of Davis. 15 Comment
  UCD19506  Stellaria media Terry Reedy 1974-4-10 112 Yolo Davis; between end of 5th Street and east edge of town. 21 Comment
  UCD38301  Stellaria media Beecher Crampton 1953-3-6 1744 Yolo Davis. Comment
  UCD99386  Stellaria media Beecher Crampton 1953-4-1 s.n. Yolo Davis. Comment
  UCD99463  Stellaria nitens Rolf Y. Berg 1964-3-14 8014 Yolo Cache Creek Canyon, State Highway 16, 2.5 miles northwest of Rumsey. Comment
  UCD39779  Stevia Beecher Crampton 1975-11-8 s.n. Yolo Greenhouse grown, UC Davis Campus. Comment
  SEINET11696158  Stipa capensis Unknown 1968-6-28 T.O. 4221 Yolo UC Davis Campus, Agronomy Experimental Area, Plant Introduction Nursery row P-62 Comment
  UCR119037  Stipa cernua Beecher Crampton 1958-4-21 4705 Yolo Vaca Mountains, 1/2 mile north of Guinda, Copay Valley, along State Hwy. 16. 152 Comment
  SACT002379  Stipa lepida M. Wiesendanger 1927-5-4 Yolo Comment
  SEINET240473  Stipa nutans Beecher Crampton 1953-6-11 1805 Yolo UC Davis agronomy experimental area, plant introduction nursery Comment
  HSC13373  Stipa pulchra J. V. Lenz 1947-3-29 Yolo Putah Canyon Comment
  UCR119041  Stipa pulchra Beecher Crampton 1961-4-17 5857 Yolo Sacramento Valley, 3 miles northeast of city of Davis. City dump and rifle range. 15 Comment
  SEINET893279  Styrax officinalis var. californicus R. H. Miller 1949-1 42 Yolo University of California arboretum, Davis Comment
  RSA97927  Suaeda calceoliformis Beecher Crampton 1952-10-24 874 Yolo 1.5 miles north of Davis. Comment
  UCD38275  Suaeda calceoliformis B. Crampton 1952-10-24 875 Yolo Common on alkali flats, 1.5 miles north of Davis. Comment
  UCD77364  Symphyotrichum chilense Robert E. Preston 1999-10-24 1250 Yolo Vic Fazio Wildlife Area, Causeway Unit. 3 Comment
  UCD136694  Symphyotrichum subulatum Daryl Koutnik 1978-10-15 s.n. Yolo city of Davis at the northwest corner of Blackburn Drive and Tulip Lane. 15 Comment
  UCD13395  Symphyotrichum subulatum var. parviflorum K. Meares 1996-9-18 2 Yolo City of Davis, northern part. End of Enicina Ave, where greenbelt ends. Found in crack of pavement under street sign. 15 Comment
  UC1245157  Symphytum officinale June McCaskill and Katherine Onaga 1961-5-3 618 Yolo in alley behind garage at 648 D Street Davis Comment
  UCD21305  Taeniatherum caput-medusae J. Shepard 2000-5-13 246 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 4.0 mi. south on Mace Blvd. (County Road 104), thence east along County Road 36 about 0.2 mi, then north across fence into park. 12 Comment
  UCD86129  Taeniatherum caput-medusae Beecher Crampton 1972-5-28 8810 Yolo Road 95 west of Airstrip. Comment
  UCD39936  Tamarix aphylla Beecher Crampton 1979-4-1 s.n. Yolo UC Davis Campus. Comment
  CDA5070  Tamarix parviflora G. D. Barbe 1987-4-3 4266 Yolo Yolo By-Pass, north of I-80, 5 miles east of Davis. 0 Comment
  SEINET10575098  Tamarix parviflora John F. Gaskin 1998-7-3 Gaskin 81 Yolo Hwy CA 16, 1/4 mile N of Capay, Cache Creek. Comment
  UCD41068  Tamarix parviflora Carol W. Witham 2003-8-8 999 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD150990  Taraxacum officinale D. S. Park 2010-5-5 70 Yolo UCD, disturbed. North-east of SLB. 11 Comment
  UCD136734  Taraxacum officinale Beecher Crampton 1960-9-21 5782 Yolo Davis. Comment
  SEINET9060020 Image available Tetraclinis articulata S. Ickert Bond, R. Bond 1997-3-19 445 Yolo University of California at Davis Arboretum Comment
  CAS-BOT-BC202042  Thinopyrum ponticum Beecher Crampton 1955-7-11 2981 Yolo 2 miles northeast of Davis (Along County Road 102) Comment
  UCD93335  Thinopyrum ponticum Beecher Crampton 1972-7-13 8828 Yolo 2 miles N of Davis, Pole Line Road. Comment
  CDA12081  Thysanocarpus curvipes G. F. Hrusa 1989-4-8 5912 Yolo North Coast Biodiversity Arena; Hwy 16 and Cache Creek immed. N of Capay Valley. 137 Comment
  UC596390  Thysanocarpus curvipes R. F. Hoover 1938-2-22 2765 Yolo Putah Creek Canyon Comment
  SEINET5738104 Image available Tipuana tipu Shirley C. Tucker 1988-1 28890 Yolo Near unused concrete bridge over Putah Creek, E end of University of California (Davis) Arboretum, Davis.; Univ. of California, Davis Comment
  UCD58050  Tonella tenella Ellen Dean; K. Mawdsley 2007-4-6 3590 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 515 Comment
  CDA5390  Torilis arvensis subsp. purpurea R. Stewart 1975-6-16 Yolo Guinda. 0 Comment
  UCD128182  Torilis nodosa Fleur Ng'weno 1989-5-1 DQ 26 Yolo D-Q University County Road 31, 9 mi. west of Davis city center. 30 Comment
  SEINET11740922  Torreya californica A. T. Leiser, Stebbins, L. 1983-11-5 s.n. Yolo Ray House Rd, Leviathian Mine Comment
  CAS-BOT-BC173005  Toxicodendron diversilobum Clarence R. Quick 1971-5-31 71 -53 Yolo Pylman-Quick garden, Merritt Island, near Clarksburg Comment
  UCD139861  Toxicoscordion fremontii Alpaslun Ongun 1961-3-10 4 Yolo Poleline Road north of Davis. Comment
  UCD41102  Tragopogon porrifolius N. Nicola 2002-5-1 202 Yolo Foothills of inner North coast range, Berryessa Valley, West of Winters; Terra Firma farm off Hwy 128. Comment
  UCD142295  Triadica sebifera Barry Meyers-Rice; Elizabeth Salvia 1999-11-27 MR 991101 Yolo North Ponds' in Davis; near the intersections of F Street and Anderson Road. Comment
  UCD20010  Tribulus terrestris C. H. Lamoureux; J. M. Tucker 1957-4-29 1229 Yolo 200 yards north of Davis Y on gravel edge of asphalt shoulder on east side of Hwy 99. Comment
  UCD37719  Tribulus terrestris Beecher Crampton 1961-8-1 5960 Yolo Davis. Southern Pacific Railroad. Comment
  SBBG6572  Trichostema lanceolatum J. M. Tucker 1941-9-20 391 Yolo roadside above Putah Crk, E side of Vaca Range Comment
  UCD73708  Trichostema lanceolatum Ayzik Solomeshch 2004-6-15 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  RSA699710  Trifolium Keith E. Hoffmaster 1946-4-13 1203 Yolo Putah Canyon. Comment
  RSA699922  Trifolium Keith E. Hoffmaster 1946-3-29 1201 Yolo Putah Canyon. Comment
  UCD39968  Trifolium Beecher Crampton 1966-7-6 s.n. Yolo UC Davis Campus, Agronomy Experimental Area; grown from seed of unknown origin. P.I. 290-017. Comment
  UCD35571  Trifolium albopurpureum Beecher Crampton 1958-4-21 4704 Yolo 1/2 mile N of Guinda, Capay Valley, along State Highway 16. Comment
  UCR118890  Trifolium albopurpureum var. olivaceum Beecher Crampton 1953-4-9 1062 Yolo Sacramento Valley, 3 miles west of Winters 46 Comment
  UCD73254  Trifolium bifidum Ellen Dean; Susan Xhang, Christa Lindsey, Chris Mosser 2008-4-17 4833 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. 77 Comment
  UCD21395  Trifolium bifidum var. bifidum J. Shepard 2001-4-27 439 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 4 mi. south on Mace Blvd. (County Road 104), thence east 0.5 miles along County Road 36. In the southeast corner of park. 12 Comment
  UCD73668  Trifolium bifidum var. bifidum Ayzik Solomeshch 2005-4-10 s. n. Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Northeastern part of ranch, Maxwell Flat area, accessed by private road that is at the end of Moody Slough Rd. 71 Comment
  UCR219522  Trifolium bifidum var. bifidum Jean V. Shepard 2001-4-27 439 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, 4 mi south on Mace Blvd. (Co. Road 104) from intersection of Hwy I-80 and Mace Blvd., 0.5 mi east along County Road 36. Southeast corner of the Park, c. 50 yards north of CR 36 and 100 yards west of Dept. of Defense fence 12 Comment
  UCR226143  Trifolium bifidum var. bifidum Elaine Chow, Plant Biology 102 students 2008-4-6 001 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128, on north side of Putah Creek downstream of Monticello Dam, Bray Canyon 109 Comment
  UCD58036  Trifolium ciliolatum Ellen Dean; K. Mawdsley 2007-4-6 3575 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 442 Comment
  UCD73257  Trifolium ciliolatum Ellen Dean; Susan Xhang, Christa Lindsey, Chris Mosser 2008-4-17 4836 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. 77 Comment
  UCD108263  Trifolium ciliolatum K. Esau; E. Hyde 1938-5-5 s.n. Yolo Near bridge at entrance to Putah Canyon. Comment
  UCD108266  Trifolium ciliolatum J. W. Gilmore 1928-6-1 s.n. Yolo Davis. Comment
  UCD39097  Trifolium ciliolatum Beecher Crampton 1964-4-8 6922 Yolo 4 miles west of Winters, State Highway 128. Comment
  UCD21269  Trifolium depauperatum J. Shepard 2000-4-30 158 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, past parking lots in field. In and between a rutted dirt track going south. 12 Comment
  UCD82170  Trifolium depauperatum J. Shepard 2001-3-16 397 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 4.0 mi. south on Mace Blvd. (County Road 104), to Co. Rd. 36; thence ~.5 mi east along road; then 20 m north of park fence along Co. Rd 36. 12 Comment
  RSA699730  Trifolium depauperatum var. amplectens Keith E. Hoffmaster 1946-4-19 1096 Yolo 3-4 miles N of Davis. Comment
  UCD82068  Trifolium depauperatum var. amplectens Beecher Crampton 1966-4-28 7681 Yolo 1 mile southwest of Saxon Station. (site) Comment
  UCD40985  Trifolium depauperatum var. truncatum Carol W. Witham 2003-4-9 915 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCR225256B  Trifolium depauperatum var. truncatum Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass, Glide Ranch 4 Comment
  UCD108538  Trifolium depauperatum var. truncatum Fleur Ng'weno 1989-5-1 DQ 25 Yolo D-Q University County Road 31, 9 miles W of Davis city center. 30 Comment
  UCD108893  Trifolium fragiferum Beecher Crampton 1962-7-10 s.n. Yolo UC Davis, Agronomy Experimental Areas, Forage Crops Teaching Nursery. Comment
  UCD108949  Trifolium fragiferum R. E. Skaggs 1967-7-30 s.n. Yolo 1113 Alice Street, Davis. Comment
  SBBG29023  Trifolium fucatum B. Crampton 1966-4-19 7653 Yolo 0.25 mi S Saxon Station Comment
  UCD21052  Trifolium fucatum Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-4-5 232 Yolo S of the city of Davis. Along Road 38, approximately 0.25 miles S of its intersection with Road 105. Glide/Tule Ranch site, pool # GLI002. 2 Comment
  UCD38307  Trifolium fucatum Beecher Crampton 1954-4-8 1755 Yolo 2 miles NE of Davis. Comment
  UCD84335  Trifolium fucatum Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCR118984  Trifolium fucatum Beecher Crampton 1962-5-1 6364 Yolo Sacramento Valley, 1/2 mile south Saxon Station., jct. county roads 106 and 38 15 Comment
  UCR220400  Trifolium fucatum Jean V. Shepard 2001-3-23 413 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, from intersection of I-80 and Mace Blvd., 3.5 miles south on Mace Blvd. (County Rd 104), 0.5 mi east along County Road 36, southeast corner of the Park 12 Comment
  UCD33056  Trifolium fucatum Beecher Crampton 1966-4-19 7653 Yolo 1/4 mile south of Saxon Station. Comment
  UCD39054  Trifolium fucatum Beecher Crampton 1962-5-1 6364 Yolo 1/4 mile south Saxon Station, Sacramento Northern R.R. junction County Roads 106 and 38 Comment
  SBBG29026  Trifolium gracilentum B. Crampton 1966-4-11 7639 Yolo Woodland, along the railroad Comment
  UCD38426  Trifolium gracilentum Beecher Crampton 1955-4-14 2484 Yolo 2 miles south of Zamora. Comment
  UCD55514  Trifolium gracilentum J. Shepard; E. Dean, B. Rice, P. and R. Unger, B. Salvia 2004-3-28 650 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east on unpaved entrance road about .4 mi., thence south 100 yd. 10 Comment
  SEINET7413844  Trifolium gracilentum B. Crampton 1955-4-14 2484 Yolo 2 miles south of Zamora Comment
  SEINET7413849  Trifolium gracilentum B. Crampton 1955-4-15 2500 Yolo UC Davis Campus, south end of the Campbell Tract Comment
  UCD109762  Trifolium gracilentum M. J. Wright 1948-3-30 s.n. Yolo UC Davis Campus. Comment
  UCD33045  Trifolium gracilentum Beecher Crampton 1966-4-11 7639 Yolo Woodland, railroad station. Comment
  UCD146738  Trifolium hirtum Carol W. Witham 2003-4-11 951 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD48020  Trifolium hirtum S. Olmsted; M. Atamian, R. Brush, M. Furuyama, C. Owens 2000-4-29 06 Yolo 1 mile north of Knoxville as the crow flies, 300 m east of an old dirt road that intersects the Yolo/Napa Co line. 640 Comment
  UCD109769  Trifolium hirtum W. Biehler 1950-1 s.n. Yolo On Davis campus. Comment
  UCD111218  Trifolium hybridum Collector unknown 1925-5-9 1737 Yolo Davis. Comment
  CHSC79308  Trifolium microcephalum Beecher Crampton 1966-4-20 7660 Yolo 2 miles west of Winters. Comment
  UC638707  Trifolium microcephalum Ethel Crum 1938-5-7 1992 Yolo 4 mi n Rumsey (Cache Creek); Inner North Coast Ranges 152 Comment
  UCD168493  Trifolium microcephalum Ellen Dean; C. Thomsen and M. Hoshovsky 2017-3-29 9283 Yolo Audubon Bobcat Ranch, west side of ranch, north of Hwy 128, near western property boundary. Southeast-facing rock face above Bray Canyon. Area has burned three times in past three years. 233 Comment
  RSA636079  Trifolium microcephalum Robert M. Rhode, Barbara Nemeth 1998-5-13 182 Yolo In the vicinity of Guinda; west of the intersection of State Highway #16 and County Road #53, on County Rd. #53, c. 1 km west of gate. Comment
  UCD107344  Trifolium olivaceum Beecher Crampton 1953-4-9 1062 Yolo 3 miles west of Winters. Comment
  CDA28028  Trifolium resupinatum D. G. Kelch 2007-4-4 7 .112 Yolo Davis; Portage Bay East near Russell Blvd. Comment
  UCR152422  Trifolium stenophyllum Beecher Crampton 1967-5-3 7853 Yolo Sacramento Valley, 2 miles west of Winters. 46 Comment
  UCD73596  Trifolium subterraneum Ellen Dean; Elizabeth Goebel 2008-4-7 4731 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat in the northeastern part of the ranch that is accessed by a private road at the end of Moody Slough Road. 70 Comment
  UCD109377  Trifolium subterraneum Collector unknown Date unknown s.n. Yolo Agronomy Experimental Areas, Davis Campus. Comment
  UCD146739  Trifolium variegatum Carol W. Witham 2003-4-11 938 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  CDA37065  Trifolium variegatum var. major CDFA Staff 1998-4-22 s.n. Yolo Rominger Prop., north of County Road 19, east of County Road 92C, west of County Road 94B. 0 Comment
  UCD35739  Trifolium variegatum var. major Beecher Crampton 1953-3-31 1046 Yolo Madison. Comment
  UC630891  Trifolium willdenovii P. B. Kennedy 1915-4-26 Yolo Davis Comment
  UCD109538  Trifolium willdenovii Beecher Crampton 1960-5-9 5494 Yolo 1.25 miles southwest of Saxon Station. Comment
  UCD55513  Trifolium willdenovii J. Shepard; E. Dean, B. Rice, P. and R. Unger, B. Salvia 2004-3-28 649 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east on unpaved entrance road about .4 mi., thence south 100 yd. 10 Comment
  UCR219528  Trifolium willdenovii Jean V. Shepard, Ellen Dean, Barry Rice, P. Unger, R. Unger, B. Salvia 2004-3-28 649 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, 3.5 mi south on Mace Blvd.(Co. Road 104) from intersection of Hwy I-80 and Mace Blvd., 0.4 mi east on unpaved entrance road, and 100 yards south 11 Comment
  OBI54935  Trifolium willdenovii Kathleen Faustini 1980-4-21 9 Yolo Rte E6 and Rd 32 Comment
  RSA636078  Trifolium willdenovii Robert M. Rhode, Barbara Nemeth 1998-5-13 180 Yolo In the vicinity of Guinda; W of the intersection of State Hwy 16 and County Road 53, on County Rd 53; 0.5 km W of gate. Comment
  UCD109864  Trifolium willdenovii Fleur Ng'weno 1989-4-26 DQ 14 Yolo D-Q University County Road 31, 9 mi. west of Davis city center. 29 Comment
  UCD34397  Trifolium willdenovii Beecher Crampton 1982-3-22 9819 Yolo Yolo County, 2 miles west of Winters on road 87. Comment
  UCD35737  Trifolium willdenovii Beecher Crampton 1953-3-31 1055 Yolo Five miles west of Davis. Comment
  UCD35894  Trifolium willdenovii Beecher Crampton 1966-4-6 7638 Yolo 2 miles west of Winters. Comment
  UCD33933  Triphysaria versicolor subsp. faucibarbata Beecher Crampton 1975-4-21 9162 Yolo 5 miles east of Woodland, Interstate Hwy 5 just before the Yolo Bypass. Comment
  UCD139321  Triteleia hyacinthina Fleur Ng'weno 1989-5-7 DQ 42 Yolo D-Q University County Road 31, 9 mi. west of Davis city center. 30 Comment
  CDA30734  Triteleia laxa M. Beyers 2010-4-3 327 Yolo Along Highway 128, immediately adjacent to westbound traffic just northeast of Putah Creek (and Lake Solano County Park). 48 Comment
  UC917111  Triteleia laxa R. B. Griffith 1949-3-20 7 Yolo high rocky roadside bank Putah Canyon Comment
  UCD160085  Triteleia laxa Jessica Sanchez 2015-4-12 2 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. 188 Comment
  CAS-BOT-BC526142  Triteleia laxa Beecher Crampton 1978-3-16 9547 Yolo 2 miles west of Winters. Comment
  UCD139381  Triteleia laxa Ogden C. Riddle 1942-3-30 46 Yolo mouth Putah Canyon. Comment
  UCD139387  Triteleia laxa Rolf Y. Berg 1963-3-3 s.n. Yolo Putah Creek Canyon, along road between Solano Lake and Recreation Beach. Comment
  UCD14269  Triteleia laxa Connie Smith 1973-4-10 7 Yolo Thompson Canyon below Monticello dam, along the canyon's dirt road approximately 1mile or less; 106 Comment
  UCD14271  Triteleia laxa Marianne Lewin 1973-4-10 22 Yolo Yolo County; 7 miles west of Winters in Thompson Canyon near Lake Berryessa, off of Road 128 and 1 mile south of Monticello Dam; Comment
  UCD14273  Triteleia laxa Becky Wilson 1973-4-10 10 Yolo Yolo County; 7 miles west of Winters in Thompson Canyon; 182 Comment
  UCD14279  Triteleia laxa Ed Taub 1974-4-6 1 Yolo Yolo County; in a field off of Highway 128, 2.5 miles west of Winters; 45 Comment
  UCD34197  Triteleia laxa Beecher Crampton 1978-3-16 9547 Yolo 2 miles west of Winters. Comment