Search Results — 2000 specimen records retrieved (1387 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
  SEINET944090  Acacia dealbata June McCaskill 1954-1 226 Yolo In parking on south side of 3rd Street just west of B Street, Davis Comment
  SEINET10407697 Image available Acacia dealbata B. J. McCaskill 1954-1 226 Yolo In parking on south side of 3rd Street just west of B Street, Davis Comment
  UCD39750  Acacia longifolia Beecher Crampton 1957-3-18 s.n. Yolo University of California, Davis Campus. Comment
  SEINET947386  Acacia neriifolia Marian Mors 1959-1 s.n. Yolo University of California campus, Davis Comment
  CAS-BOT-BC234973  Acer William C. Overton, Jr. 1982-5-3 s.n. Yolo City of Davis, UC Davis campus, across road from Mrak bridge, east of parking lot with orange trees, tree off SE (?) corner of little brown shingled building that once housed Arbie Hdqtrs. Comment
  UCD117030  Acer macrophyllum B. J. McCaskill 1954-3-12 220 Yolo Highway 16, 1.7 miles northwest of Rumsey. Comment
  UCD117061  Acer macrophyllum M. Wiesendanger 1927-5-4 636 Yolo Putah Canyon. Comment
  JEPS84692  Acer negundo var. californicum John W. Willoughby 1976-3-21 1230 Yolo along State Highway 128 between Monticello Dam and junction <of the highway> with County Road 86 (Pleasants Valley Road) (side of road next to Putah Creek (Solano Lake), n end of range Vaca Mountains); n end Vaca Mountains, Putah Creek (Solano Lake) 73 Comment
  UCD34781  Achnatherum brachychaetum Beecher Crampton 1989-8-17 10226 Yolo Yolo County, UC Davis agricultural services area. Comment
  UCD128413  Achyrachaena mollis P. B. Kennedy 1915-4-26 s.n. Yolo Davis. Comment
  UCD72417  Achyrachaena mollis Ellen Dean; Kate Mawdsley 2008-4-16 4822 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
  UCD128400  Achyrachaena mollis G. F. Hrusa; S. Larson 1995-4-10 12052 Yolo Field between Interstate 505 and onramp at Highway 16 (Woodland Main Street Extension). 100 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
  UCD20808  Acmispon brachycarpus N. Nicola; C. Kremen 2001-3-16 024 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  SEINET957851  Acmispon brachycarpus F. W. Gould 1938-1 273 Yolo One-half mile north-east of Rumsey. Comment
  UCD59349  Acmispon glaber Ellen Dean; Kate Mawdsley 2007-5-11 3773 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. Northeastern section of ranch. 445 Comment
  UCD144795  Acmispon wrangelianus Carol W. Witham 2003-4-9 916 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD40986  Acmispon wrangelianus Carol W. Witham 2003-4-9 916 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD56766  Acmispon wrangelianus Ellen Dean; M. Bibbo 2007-3-23 3458 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. 619 Comment
  UCD62726  Acmispon wrangelianus Alan Yip; 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. 118 Comment
  UCD84333  Acmispon wrangelianus Ayzik Solomeshch 2009-5-11 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCD104505  Acmispon wrangelianus Mannix Mendoza Date unknown 16 Yolo Roadside Hwy. 128, c. 1.5 mi w. Winters. Comment
  UCD35569  Acmispon wrangelianus Beecher Crampton 1958-4-21 4706 Yolo 1.6 miles northwest of Rumsey. Comment
  UCD128494  Acroptilon repens R. Breckenridge 2002-7-2 PDR 120455 7 Yolo around equipment yard and ditches at Highway 128 and E Main St, Winters. Comment
  CAS-BOT-BC133141  Adenostoma fasciculatum Roxana Stinchfield 1916-6-26 354 Yolo Foothills west of Dunnigan near Buckeye Cr. Comment
  UC466768  Adenostoma fasciculatum W. P. Taylor 1912-6-27 Yolo Rumsey 152 Comment
  UC466770  Adenostoma fasciculatum Francis Ramaley 1917-5-29 11310 Yolo 8 mi. e. Winters 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
  UCD68001  Adenostoma fasciculatum S. M. Smukler 1995-5-19 5 Yolo Quail Ridge Preserve, 1 mile from the University Cabin, next to the trail. 450 Comment
  SEINET240105  Aegilops cylindrica Beecher Crampton 1961-4-20 T.O. 2622 a Yolo UC Davis agronomy experimental area, plant introduction nursery, row 20. 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
  CDA29458  Aegilops triuncialis Robin Breckenridge 2009-5-26 PDR# 1313570 Yolo In the vicinity of Madison and Winters. Along CR 89, between CR 25 and CR 20. 0 Comment
  CDA8338  Aegilops triuncialis Robin Breckenridge 2008-5-12 PDR# 1313561 Yolo Capay, 23585 Hwy 16. 0 Comment
  UCD21292  Aegilops triuncialis J. Shepard 2000-5-8 231 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. To defined track (rutted) running south. Along side of rutted track. 12 Comment
  UCD81600  Aegilops triuncialis Collector Unknown 1955-7-11 s.n. Yolo Western Yolo Range. 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
  CAS-BOT-BC206888  Aesculus californica Lara Hawthorne 1989-6-3 17 Yolo Hwy 128 near Stebbins Reserve 97 Comment
  SEINET1908055  Aesculus californica Gary Bolton 1975-1 32 Yolo Interior coast range, 2.3 miles east of Napa County line on State Highway 128 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
  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
  SEINET241286 Image available Agropyron fragile Beecher Crampton 1960-6-24 T.O. 2516 Yolo UC Davis Agronomy experimental area, plant introduction nursery, planted as seed obtained from SCS Plant Materials Cen. Comment
  UCD97908  Agrostemma githago var. githago P. B. Kennedy 1918-1 s.n. Yolo Davis, University Farm. Comment
  CDA1700  Agrostis capillaris N. van Kleeck 1975-2-4 Yolo 1407 Whittier Drive, Davis. 0 Comment
  SEINET241292  Agrostis castellana Beecher Crampton 1960-6-3 T.O. 2462 Yolo CULTIVATED; UC Davis agronomy experimental area, plant introduction nursery, row D - 202 Comment
  SEINET242365  Agrostis castellana Beecher Crampton 1960-6-3 T.O. 2455 Yolo CULTIVATED; UC Davis agronomy experimental area, plant introduction nursery Comment
  SEINET251727  Agrostis castellana Beecher Crampton 1960-6-3 T.O. 2455 Yolo CULTIVATED; UC Davis agronomy experimental area; plant introduction nursery; Comment
  UCD37766  Agrostis exarata Beecher Crampton 1961-10-25 6057 Yolo Yolo County, 2 miles west of Bryte, along County Road 127, junction of Sacramento Bypass and Yolo Bypass. Comment
  UCD52091  Agrostis exarata Beecher Crampton 1974-6-28 9057 Yolo 6 miles west Winters, along Putah Creek. Comment
  UCD52279  Agrostis exarata var. microphylla P. B. Kennedy 1920-7-31 x 3592 Yolo Davis. Field - campus - Berkeley. Comment
  UCD141660  Agrostis stolonifera Ellen Dean; M. Taylor, K. MacMillan 2013-6-13 7788 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 1A of the Putah Creek vegetation survey. 9 Comment
  UCD53451  Agrostis stolonifera Beecher Crampton 1958-5-28 4836 Yolo north Davis. Comment
  UCD53530  Agrostis stolonifera Leonard 1919-6-13 x 3068 Yolo Davis. Comment
  UCD53533  Agrostis stolonifera Leonard 1919-6-13 x 3063 Yolo Davis. Comment
  SACT000224  Agrostis tenuis John Willoughby 1976-7-29 Yolo Pleasants Valley Rd elevation 200. In moist ground along Putah Creek, riparian woodland. Comment
  UCD21255  Ailanthus altissima J. Shepard 2000-4-13 139 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. Near entrance road, just to the north between road and parking lot to N of entrance road. 12 Comment
  UCD164530  Aira caryophyllea Craig D. Thomsen 2006-5-10 2695 Yolo Camp Haswell County Park, at edge of turnout along Hwy 16. 137 Comment
  UCD166124  Alisma lanceolatum Luis Espino 2016-10-11 s.n. Yolo southeast of the city of Davis. Just southeast of intersection of county roads 106 and 35. 5 Comment
  SEINET12051856  Allium fimbriatum Unknown 1986-1 60080 Yolo NE of former site of Knoxville, Little Blue Ridge, near dam of Davis Lake, or E of site of Reid Mine 475 Comment
  CAS-BOT-BC468994  Allium fimbriatum var. fimbriatum Roger Raiche 1986-4-21 60080 Yolo Northeast of former site of Knoxville, Little Blue Ridge, near dam of Davis Lake, or east of site of Reid Mine (cinnabar) 475 Comment
  UCD135954  Allium neapolitanum Barry Rice 2012-4-14 BR 120402 Yolo Exact location unknown. 11 Comment
  UCD34136  Allium neapolitanum Beecher Crampton 1977-4-1 9460 Yolo Davis. Comment
  SEINET194961  Allium parvum A. A. Heller 1938-5-21 15104 Yolo Plain about the airfield W of Chester Comment
  UCD59342  Allium serra Ellen Dean; Kate Mawdsley 2007-5-11 3766 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. 546 Comment
  CAS-BOT-BC475458  Allium serra Annetta Carter 1938-5-7 1361 Yolo Cache Creek canyon, 3.6 miles north of Rumsey, Inner North Coast range 152 Comment
  UCD141816  Allium serra L. K. Mann 1957-4-7 s.n. Yolo 3 miles north of Rumsey, California on road 16 toward Clear Lake. Comment
  SEINET8544311 Image available Allium triquetrum June McCaskill 1967-4-2 717 Yolo In garden at 815 E. 9th Street, Davis. Comment
  SBBG115351  Alnus rhombifolia M. Henry 1972-1-28 Yolo UC Davis Arboretum, Law School Comment
  SEINET241283  Alopecurus Beecher Crampton 1962-4-10 T.O. 2524 Yolo UC Davis agronomy experimental area, plant introduction nursery, row D - 188. Comment
  UCD55984  Alopecurus Beecher Crampton 1973-4-16 8919 Yolo Saxon S.W. 1. Comment
  UCD55985  Alopecurus P. B. Kennedy 1915-4-26 s.n. Yolo Outskirts of Davis. Comment
  SEINET9366157  Alopecurus Unknown 1962-4-10 T.O. 2524 Yolo Yolo Comment
  UCD55815  Alopecurus pratensis Beecher Crampton 1960-3-31 s.n. Yolo Agronomy Experimental Area, Davis Campus, Forage Crop Nursery. Comment
  CAS-BOT-BC137945  Alopecurus saccatus L. R. Abrams 1928-5-8 12606 Yolo Between Woodland and Davis. Comment
  HSC8891  Alopecurus saccatus J. W. Lenz 1947-4-24 Yolo Alkali area N of Davis, Hwy. 99W Comment
  UCD37915  Alopecurus saccatus Beecher Crampton 1962-5-1 6361 Yolo 0.25 mile south of Saxon Station, at junction of County Roads 106 and 38. Comment
  UCD40995  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
  UCD55958  Alopecurus saccatus P. B. Kennedy 1915-4-26 s.n. Yolo Outskirts of Davis. Comment
  UCD55962  Alopecurus saccatus A. A. Beetle 1946-7-13 4693 Yolo Putah Canyon. Comment
  UC735710  Amaranthus albus Charles B. Heiser Jr. 1947-5-30 1921 Yolo Davis Comment
  UCD81844  Amaranthus albus Ellen Dean; M. Showers, G. Harrington 2009-6-3 5762 Yolo Woodland Regional Park. City of Woodland property on the E side of County Road 102, just S of County Road 25. Old rodeo area with buildings now removed. 9 Comment
  CDA3260  Amaranthus albus M. S. Bergseng 1958-10-12 1589 -58 Yolo Highway # 16-24, near Elkhorn Village, west of Sacramento. 0 Comment
  UCR242094  Amaranthus arenicola Arthur M. Shapiro 2011-9-15 s.n. Yolo West Sacramento, 1 km west of intersection of West Capitol Ave and Enterprise Blvd. Yolo Bypass Comment
  UC917189  Amaranthus blitoides P. B. Kaufman 1950-5-20 42 Yolo near Botany Building; Univ. of Calif. Campus, Davis Comment
  UCD21318  Amaranthus blitoides J. Shepard 2000-5-26 275 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. Between ruts in gravel road 12 Comment
  UCD97200  Amaranthus blitoides P. B. Kaufman 1950-5-20 42 Yolo Near Botany Building, University of California campus, Davis. Comment
  UCR213678  Amaranthus blitum Jean V. Shepard 2008-7-22 819 Yolo Sacramento Valley, City of Davis, Covell Blvd. to Alhambra Dr., at entrance to Mace Ranch subdivision. 12 Comment
  RSA654912  Amaranthus californicus Beecher Crampton 1952-11-4 907 Yolo Woodlan Sewage Disposal area, 1.5 miles east of city of Woodland. Comment
  UCD39253  Amaranthus californicus B. Crampton 1952-11-11 907 Yolo About 1.5 miles east of Woodland. Comment
  UCD39250  Amaranthus deflexus B. Crampton 1952-10-11 855 Yolo Davis. Waste lot in adobe soil. Comment
  UCD18427  Amaranthus deflexus Gabor Bethlenfalvay 1973-5-28 23 Yolo city of Davis, UC Davis campus, in waste place, near UCD Botany Greenhouse. 15 Comment
  RSA97928  Amaranthus palmeri Beecher Crampton 1953-10-15 1689 Yolo U.C. Davis campus Comment
  UCD149324  Amaranthus retroflexus Collector Unknown 1925-5-30 s.n. Yolo City of Davis. 15 Comment
  CDA3274  Amaranthus retroflexus N. Sokoloff Jun 1924 3 Yolo Agr. 99 - near Davis. 0 Comment
  UCD97753  Amaranthus retroflexus H. R. Drever 1945-6-13 Yolo Davis. Comment
  UCD97772  Amaranthus retroflexus P. B. Kennedy 1914-7-1 s.n. Yolo University Farm, Davis. Comment
  CAS-BOT-BC64718  Ambrosia psilostachya A. J. Babbinger 1920-10-24 s.n. Yolo Upper Capay Valley Comment
  UCD128822  Ambrosia psilostachya P. B. Kennedy 1916-7-23 s.n. Yolo location unknown. Comment
  CAS-BOT-BC64720  Ambrosia psilostachya Roxana Stinchfield 1916-6-25 339 Yolo Buckeye Creek, College City -- Dunnigan Road Comment
  CDA29808  Ambrosia psilostachya M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 209 Yolo Putah Creek. Downstream of the Monticello Dam, on sloping bank of the creek, adjacent to and on the same side as Highway 128. 0 Comment
  UCD128828  Ambrosia psilostachya J. M. Tucker 1950-8-26 . 1992 Yolo University arboretum, University of California, Davis. Comment
  UCD125573  Amelichloa caudata John Anderson 2012-6-1 s.n. Yolo north of town of Winters on west side of Sacramento Valley. 21740 County Rd. 88 at the intersection of County Road 27. Hedgerow Farms near main office. 54 Comment
  UCD102901  Ammannia robusta Fleur Ng'weno 1991-11-1 DQ 50 Yolo D-Q University County Road 31, 9 miles west of Davis city center. 29 Comment
  UCD127169  Ammi visnaga J. M. Tucker 1952-10-13 2628 Yolo Darneille Ranch, County Road 15C, around 5 miles south of Knights Landing. Comment
  RSA167161  Ammi visnaga June McCaskill 1963-8-14 668 Yolo South side of 2nd Street, 1 mile east of its junction with L Street, Davis Comment
  CDA36937  Amsinckia intermedia 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
  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
  SEINET3828383  Amsinckia intermedia George K. Helmcamp, E. A. Helmkamp 2012-1 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 7.5. 65 Comment
  UC1178226  Amsinckia intermedia Peter M. Ray 1950-4-15 1701 Yolo 1 mi n Guinda (on Cal. Hwy 16, just n of bridge) Comment
  UC1191035  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
  UCD63069  Amsinckia intermedia Ellen Dean 2008-4-9 4778 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. 598 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
  UCD119264  Amsinckia intermedia Beecher Crampton 1977-3-14 9458 Yolo Davis. Comment
  UCD119682  Amsinckia intermedia G. F. Hrusa 1998-3-21 14159 Yolo Hwy 16 along Cache Creek at the rafting put-in. Nr. Lake County line. 225 Comment
  UCD119684  Amsinckia intermedia B. A. Madson 1925-4-28 s.n. Yolo Davis. Comment
  UCD119688  Amsinckia intermedia Fleur Ng'weno 1989-4-19 DQ 8 Yolo D-Q University County Road 31, 9 mi. west of Davis city center. 30 Comment
  UCD15291  Amsinckia intermedia Claire Warshaw 1985-4-5 3 Yolo 4 miles west of the intersection of Highway 128 and Pleasants Valley Road; Comment
  UCD81433  Amsinckia intermedia M. Wiesendanger 1927-4-29 s.n. Yolo Woodland.. Comment
  UCD160105  Amsinckia lycopsoides Taylor Wolzen 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. 176 Comment
  UCD82147  Amsinckia lycopsoides Jean Shepard 2000-3-5 60 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
  UCR219519  Amsinckia lycopsoides Jean V. Shepard 2000-5-13 241 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
  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
  UC638712  Amsinckia menziesii var. menziesii Ethel Crum 1938-5-7 1987 Yolo 4 mi n Rumsey (Cache Creek); Inner North Coast Range, Cache Creek 152 Comment
  UCD117435  Anagallis arvensis Edwin A. Crosby 1952-4-23 21 Yolo beside old picnic ground, UC Davis campus. Comment
  SBBG21215  Andropogon glomeratus B. Crampton 1953-10-29 Yolo 5 mi W of Winters, Putah Crk Comment
  UCD56066  Andropogon glomeratus var. pumilus A. A. Beetle 1946-7-13 4691 Yolo Putah Canyon. Comment
  UCR151942  Andropogon glomeratus var. pumilus Beecher Crampton 1962-10-30 6710 Yolo Putah Creek Canyon, Vaca Mtns: 8.5 mi west of Winters, on State Hwy 128 Comment
  UCD39908  Andropogon hallii Beecher Crampton 1961-10-30 s.n. Yolo UC Davis Campus, Agronomy Experimental Area, Summer Seed Production Field. Comment
  UCD56099  Andropogon virginicus R. Tofsrud 1948-9-1 s.n. Yolo Putah Creek Canyon. Comment
  CAS-BOT-BC391770  Anemone deltoidea Mrs. H. C. Cantelow 1932-8-17 369 Yolo Unspecified Comment
  CDA30586  Anthemis cotula M. Beyers 2010-5-12 439 Yolo In the vicinity of Esparto, along the east side of County Road 87, where it bridges Cache Creek on its north. 55 Comment
  UCD72428  Apiastrum angustifolium Ellen Dean 2008-4-25 4855 Yolo Tuleyome Ireland Ranch, central part of ranch along path that has been cut through chaparral to access southwestern portion of ranch. 620 Comment
  UCD81565  Apocynum cannabinum W. W. Robbins; W. D. Norton 1928-8-1 1417 Yolo near Clarksburg. Comment
  RSA401384  Apocynum sibiricum Glenn A. Gorelick 1966-6-1 s.n. Yolo At UC Davis, next to the railroad tracks, near the radiology labs Comment
  UCD39745  Arachis hypogaea Beecher Crampton 1972-1-1 s.n. Yolo seed lab Cal Crop Improvement. Comment
  CHSC83109  Arbutus unedo Robert B. Deering 1956-11-28 450 Yolo Landscape Management Lath House; U.C.; Davis. Comment
  UCD81288  Arctostaphylos G. L. Stebbins Jr. 1966-2-22 6308 Yolo Summit ridge of Glasscock Mountain. 731 Comment
  SBBG50839  Arctostaphylos manzanita M. A. Brayton 1964-3-13 8 Yolo Cache Crk Cyn on Hwy 16, 2.5 mi NW of Rumsey 152 Comment
  UC917246  Arctostaphylos manzanita subsp. manzanita R. B. Griffith 1949-3-14 2 Yolo n bank of creek 8.6 mi w Winters; Putah Creek Comment
  UCD56737  Arctostaphylos manzanita subsp. manzanita Ellen Dean; M. Bibbo 2007-3-23 3429 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
  UCD51069  Arctostaphylos stanfordiana subsp. bakeri Susan Sturgeon 1974-2-13 s.n. Yolo Manzanita area, south bank near 3 large Pinus and 1 valley oak in direct line with large cottonwood across the creek. Comment
  UCD38016  Aristida ternipes var. gentilis Beecher Crampton 1962-9-11 6667 Yolo Yolo County, 2.5 miles west of city of Winters. Comment
  UCD56858  Aristida ternipes var. gentilis Beecher Crampton 1961-6-6 5895 Yolo 2 miles west of Winters. Comment
  UCD56872  Aristida ternipes var. gentilis Beecher Crampton 1953-8-24 1600 Yolo 2 miles west of Winters. Comment
  UCD137810  Aristolochia californica H. A. Borthwick 1931-4-2 2175 Yolo Putah Canyon. Comment
  UCD164524  Aristolochia californica Craig D. Thomsen 2009-5-15 2915 Yolo Camp Haswell County Park, along secondary drainage south of parking lot. 129 Comment
  UCD58066  Aristolochia californica Ellen Dean; K. Mawdsley 2007-4-6 3606 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
  UCD62874  Aristolochia californica Chris Mosser; Plant Biology 102 students 2008-5-3 4 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
  UCD56020  Arrhenatherum elatius D. H. Hartmann 1941-7-9 s.n. Yolo City of Davis. Campus of University of CA, Davis. Agronomy Plots. Comment
  UCD129291  Artemisia douglasiana Daryl Koutnik; John Sowell 1978-10-27 571 Yolo Putah Creek, east of County Road 106 and west of Yolo Causeway. 6 Comment
  UCD37761  Artemisia douglasiana Beecher Crampton 1961-10-25 6044 A Yolo 4 miles NW of Bryte, Yolo Bypass, S of Todhunter's Lake. Comment
  UCD129307  Artemisia douglasiana Carole Eastman 1976-6-9 s.n. Yolo at last willow stand on left side of Road 31 at roadside, just before approaching DQU entrance road. Comment
  JEPS100801  Arthrocnemum subterminale Dean W. Taylor 1993-7-9 13852 Yolo 3 air mi from Woodland; Central Valley 10 Comment
  UCD34259  Arthrocnemum subterminale Beecher Crampton 1978-6-27 9615 Yolo Yolo County, 4 miles S.E. of Woodland, T9N R2E sect. 11 N.E. 1/4. Comment
  UCD56080  Arundo donax R. Tofsrud 1941-10-1 23 Yolo Davis. Comment
  UCD39910  Arundo donax var. versicolor Beecher Crampton 1962-11-3 s.n. Yolo City of Davis. Comment
  UC735738  Asclepias fascicularis Charles B. Heiser Jr. 1947-6-15 1936 Yolo near judging pavilion (on campus); Davis Comment
  UCD141695  Asclepias fascicularis Ellen Dean; M. Taylor 2013-6-21 7807 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
  SEINET9360086  Asclepias fascicularis Unknown 1976-5-18 11 Yolo E Davis, N side of railroad tracks at jct of Mace Blvd and Road 115. Comment
  UCD121323  Asclepias fascicularis H. R. Drever 1945-6-22 s.n. Yolo Unversity of California campus, Davis. Comment
  UCD121347  Asclepias fascicularis W. W. Robbins 1931-8-2 2228 Yolo 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
  CDA10241  Aster chilensis O. Wright 1958-10-28 Yolo Willow Slough. 0 Comment
  CDA16242  Aster chilensis G. F. Hrusa 1997-12-13 14134 Yolo Sacramento Valley; Tule Canal. On bank of S levee along canal. 0 Comment
  RSA733923  Astragalus didymocarpus Beecher Crampton 1963-5-24 6810 Yolo Yolo County: Davis, field just northeast of West David School. Comment
  UCD149380  Astragalus douglasii Trongren 1956-1 s.n. Yolo City of Dunnigan. 184 Comment
  UCD35849  Astragalus douglasii Beecher Crampton 1965-4-27 7292 Yolo 3 miles n.w. of Dunnigan County Road 86. 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
  UCD34226  Astragalus tener Beecher Crampton 1978-5-8 9579 Yolo Yolo County, 1/4 mile south of Saxon Station, T7N R3E Sect. 17, N.E. quarter. Comment
  UCD105338  Astragalus tener var. ferrisiae Beecher Crampton 1978-5-8 9578 Yolo Yolo County, 1/4 mile south of Saxon Station. Comment
  UCR212299  Astragalus tener var. ferrisiae Ellen Dean, Carol W. Witham, Robert E. Preston, Jennifer Buck 2007-4-20 3705 Yolo Dept. of Fish and Game Tule Ranch property, SW of the intersction of county roads 106 and 38 (south through gate on extension of C.R. 106, west to farm structures). 1 Comment
  RSA653947  Astragalus tener var. tener Beecher Crampton 1966-4-19 7654 Yolo 1 mile S.W. of Saxon Station Comment
  RSA657072  Astragalus tener var. tener Beecher Crampton 1955-3-28 2347 Yolo 4.5 to 5 miles southeast of Woodland, at Junction County roads 103 and 25. Comment
  UCD105436  Astragalus tener var. tener K. Esau 1935-5-1 s.n. Yolo Near Davis. Comment
  UCD105444  Astragalus tener var. tener J. M. Tucker 1951-3-25 2054 Yolo Beside the road (and in an adjacent field) paralleling the railroad to Woodland, 1.1 miles north of Davis. Comment
  UCD18243  Astragalus tener var. tener E. A. Dean; A. Efstratis, K. Mawdsley, T. and M. Starbuck 1998-5-8 450 Yolo SE side of city of Woodland, SE junction of roads 102 and 25, south side of road 25. Comment
  UCD33930  Astragalus tener var. tener Beecher Crampton 1975-4-18 9159 Yolo Yolo County, 3 miles S.E. of Woodland. Comment
  UCD168440  Athysanus pusillus Ellen Dean 2017-3-15 9262 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 east side of creek on roadbank of east side of road. 82 Comment
  UCD38949  Atriplex Beecher Crampton 1961-9-19 5980 Yolo 1/2 mile north city limits of Davis, Anderson Road. Comment
  UCD34572  Atriplex argentea Beecher Crampton 1985-9-5 10017 Yolo Yolo County, 3.5 miles S.E. of Woodland on road 25, (T9N R2E sect. 11). Comment
  RSA97529  Atriplex argentea Beecher Crampton 1952-10-24 871 Yolo 1.5 miles north of Davis. Comment
  UCD97262  Atriplex argentea var. expansa Collector unknown 1929-10-1 2049 Yolo near Davis. Comment
  JEPS90592  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
  UCD62893  Atriplex depressa Erica Smith 2007-6-28 8 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
  UCD97399  Atriplex depressa Robert E. Preston 1993-7-25 627 Yolo SE of Woodland, N of Willow Slough, in field NW of jct Roads 25 and 103. 9 Comment
  JEPS41117  Atriplex joaquinana Rimo Bacigalupi, L. R. Heckard, and C. L. Custer 1965-10-4 9117 Yolo in fallow fields adjacent to air-strip (landing field) and sewage disposal (treatment) plant 1.8 mi ene Woodland ((measured from U.S. 99W)); ene of Woodland 10 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
  UCD97457  Atriplex joaquinana Rimo Bacigalupi; L. R. Heckard, C. L. Custer 1965-10-4 9117 Yolo 1.8 miles east northeast of Woodland (measured from US 99W.) 10 Comment
  UCD97492  Atriplex joaquinana M. Wiesendanger 1927-4-29 601 Yolo Davis. Comment
  UCR80854  Atriplex joaquinana Robert E. Preston 1993-7-25 626 Yolo SE of Woodland, north of Willow Slough, field NW of junction of Roads 25 and 103. 9 Comment
  SEINET4135669  Atriplex parishii var. depressa Howard C. Stutz 1995-8-7 9799 Yolo Woodland, SE corner of Road 25 and 103.; 0 Comment
  UCD97635  Atriplex prostrata Daryl Koutnik; John Sowell 1978-10-27 572 Yolo Putah Creek, east of County Road 106 and west of Yolo Causeway. 6 Comment
  UCD97617  Atriplex prostrata P. N. Annand 1929-10-19 2078 Yolo west end of Yolo Causeway. Comment
  SBBG115957  Atriplex rosea B. Crampton 1985-9-5 10018 Yolo ca. 3.5 mi SE of Woodland, on Rd 25 Comment
  UC194954  Atriplex rosea H. M. Hall 1916-8-10 10263 Yolo Woodland Comment
  UCD142974  Atriplex rosea Ellen Dean; C. Robbins 2013-8-28 7991 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
  UCD97708  Atriplex semibaccata P. B. Kennedy 1914-7-1 s.n. Yolo University Farm, Davis. Comment
  UCD97710  Atriplex semibaccata P. B. Kennedy 1914-7-1 s.n. Yolo University Farm, Davis. Comment
  POM164927  Atriplex serenana H. M. Hall 1916-8-10 10263 Yolo Woodland. Comment
  CAS-BOT-BC176600  Atriplex serenana var. serenana C. R. Quick 1974-11-5 74 -6 Yolo Merritt Island, 1/2 to 3/4 mile south of road 142, just east of Elk Slough Comment
  UCD35377  Avena barbata Beecher Crampton 1956-3-29 3236 Yolo Yolo County, 3 miles northwest of Davis. Comment
  UCD56179  Avena barbata C. J. W. 1914-4-1 s.n. Yolo Davis. Comment
  CDA30900  Avena fatua M. Beyers 2010-4-3 341 Yolo Roadside along Highway 128, adjacent to Putah Creek Public Fishing Access #2. Comment
  CDA36940  Avena fatua CDFA Staff s.n. Yolo Rominger Prop., north of County Road 19, east of County Road 92C, west of County Road 94B. 0 Comment
  UCD56308  Avena fatua E. G. Cakin 1947-3-27 s.n. Yolo Davis. Comment
  SACT000413  Avena fatua M. Wiesendanger 1927-4-29 Yolo grain field 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
  HSC100287  Avena sativa J. P. Smith 2011-4-27 13132 Yolo North - West of the junction of Hwy. 16 and Co. Rd 22. 39 Comment
  CAS-BOT-BC98619  Baccharis pilularis Roxana Stinchfield 1916-6-26 353 Yolo Fotthills wash of Dunnigan near Buckeye Creek Comment
  UCD129464  Baccharis pilularis K. Wagnon 1932-1-1 2271 Yolo Putah Canyon. 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
  UCD129450  Baccharis salicifolia subsp. salicifolia K. Esau 1931-4-26 2184 Yolo Putah Canyon. Comment
  UCD20818  Baccharis salicifolia subsp. salicifolia N. Nicola 2001-3-28 034 Yolo Sacramento Valley, 4 miles west of Woodland, at Cache Creek Nature Preserve, along Cache Creek. Comment
  UC1259001  Bacopa rotundifolia J. L. Strother 1976-6-24 1244 Yolo ca 1.5 mi n Knights Landing (on Route 113) Comment
  SEINET10732932  Beta vulgaris Stephanie Frischie 2000-10-14 Frischie 145 Yolo Davis Farmers' Market, Davis, CA. Comment
  CDA21290  Bidens frondosa G. F. Hrusa, C. & E. Dogwin 2007-10-18 17077 Yolo Sacramento Delta; Merritt boat launch on W side of Sacramento River approx. 1 mi. N of Hood. 3 Comment
  UCD36460  Bidens frondosa Beecher Crampton 1953-9-30 1633 Yolo Knights Landing, Sycamore Slough. Comment
  RSA21595  Blennosperma nanum var. nanum C. B. Wolf 1937-3-28 8320 Yolo Sacramento Valley, 6.5 miles south of Woodland. 18 Comment
  RSA654049  Boisduvalia cleistogama Beecher Crampton 1975-6-18 9222 Yolo Junction of county roads 38 and 106 off the SW corner 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
  UCD142936  Bolboschoenus fluviatilis Ellen Dean; T. Starbuck 2013-10-5 8004 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 #3D 15 Comment
  JEPS41106  Bolboschoenus maritimus Rimo Bacigalupi, L. R. Heckard, and C. L. Custer 1965-10-4 9128 Yolo 1.9 mi ene Woodland (along north-south lateral (rd.) 0.9 mi n of Hebron siding (Sacramento Northern Railway)); ne of Woodland 10 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
  UCD56827  Bothriochloa laguroides subsp. torreyana Beecher Crampton 1968-9-6 8337 Yolo 2 miles west of Winters. Along State Hwy. 128. Comment
  UCR219530  Brassica geniculata Jean V. Shepard 2009-8-23 829 Yolo Sacramento Valley, city of Davis, east side. Wildhorse greenbelt east of Wildhorse golf course, south side of bridge over slough 13 Comment
  UCD40547  Brassica nigra Kristine L . Preston 1988-5-3 12 Yolo Empty lot 100 yards west of the intersection of Hwy 110 and Riverbank Road, West Sacramento. 6 Comment
  UCD114744  Brassica nigra Beecher Crampton 1972-5-24 8808 Yolo Yolo County, Davis, Covell blvd. near Hwy. 113. Comment
  SEINET10735080  Brassica rapa Stephanie Frischie 2000-10-7 Frischie 103 Yolo Davis Farmers' Market, Davis, CA. Comment
  UCD38765  Brassica rapa Beecher Crampton 1958-1-7 4656 Yolo West Sacramento, Harbor Blvd. and West Capitol Ave. Comment
  CAS-BOT-BC106311  Brickellia californica Roxana Stinchfield 1916-6-25 447 Yolo Buckeye Creek - Goodin Ranch Comment
  CAS-BOT-BC278146  Bridelia cathartica Eva Bayon 2012-10-19 3005 Yolo University of California, Davis. Botanical Conservatory 15 Comment
  UCD57275  Briza maxima P. B. Kennedy 1915-1 s.n. Yolo Davis. Grass Garden (Thorburn). Comment
  UCD21257  Briza minor J. Shepard 2000-4-21 145 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, then east of parking lots on S side of road. 12 Comment
  SACT000471  Briza minor 1925-4-9 Yolo Comment
  SEINET196503  Brodiaea capitata R. B. Griffith 1949-3-20 4 Yolo Putah Canyon Comment
  UCD33962  Brodiaea coronaria Beecher Crampton 1975-5-23 9200 Yolo 3/4 mile S.W. of Saxon Station. Comment
  UCD139141  Brodiaea elegans subsp. elegans 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
  UCD125576  Bromus Laurel Goldsmith 2012-11-1 s.n. Yolo Near Arcata. Humboldt Bay National Wildlife Refuge. Lanphere Dunes Unit, just outside main office. 6800 Lanphere Road. 5 Comment
  UCD33166  Bromus Beecher Crampton 1967-5-1 7844 Yolo Yolo County, Davis, B st. between 3rd. and 4th. streets. Comment
  UCR179379  Bromus alopecuros J. M. DiTomaso 2003-4-23 Yolo West of Winters, off Road 87 Comment
  RSA655135  Bromus arizonicus Beecher Crampton 1956-4-19 3270 Yolo Davis. Along railroad embankment. Comment
  UCD57670  Bromus arizonicus Beecher Crampton 1956-3-30 3238 Yolo Davis. Comment
  UCD57697  Bromus arizonicus Beecher Crampton 1956-3-19 3231 Yolo Davis. Comment
  CAS-BOT-BC155809  Bromus catharticus C. R. Quick 1973-5-7 73 -2 Yolo Edge of county road 142, east of Elk Slough. Merritt Island, about 20 miles south southwest of Sacramento, southeast corner of county. Comment
  CAS-BOT-BC155810  Bromus catharticus Beecher Crampton 1970-3-9 8534 Yolo UC Davis. Dairy road. Comment
  CDA11342  Bromus catharticus G. F. Hrusa 1995-3-17 12023 Yolo Lawn grass at 178 1/2 Elm Street, Woodland. Lawn overgrown in very wet winter, this species flowered before cutting. 30 Comment
  SBBG47320  Bromus catharticus C. R. Quick 1970-5-10 70 -05 Yolo Merritt Island near Clarksburg (garden of Nettie N. Pylman) Comment
  UCD21324  Bromus catharticus J. Shepard 2000-6-2 288 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 gravelly area of parking lot north of entrance road. 12 Comment
  UCD33559  Bromus catharticus Beecher Crampton 1970-3-9 8534 Yolo Yolo County, UC Davis, Dairy road. Comment
  UCD33692  Bromus catharticus Beecher Crampton 1972-3-29 8778 Yolo Yolo County, UC Davis campus. Comment
  UCD58324  Bromus catharticus D. A. Akana 1950-5-10 s.n. Yolo Davis. Campus. Comment
  UCD58362  Bromus catharticus Joseph M. DiTomaso 1976-3-21 340 Yolo Davis. Comment
  UCD58479  Bromus commutatus Beecher Crampton 1958-6-3 4869 Yolo Davis. Comment
  CAS-BOT-BC155607  Bromus diandrus Clarence R. Quick 1970-5-10 70 -04 Yolo Edge of Nettie M. Pylman garden and on levee, Merritt Island, near Clarksburg. Comment
  HSC101405  Bromus diandrus J. P. Smith 2011-4-27 13140 Yolo Along State Route 16 at its junction with County Road 8 93 Comment
  UCD37799  Bromus diandrus Beecher Crampton 1962-4-10 6127 Yolo Yolo County, city of Davis, vacant lot on 6th Street. Comment
  UCD37800  Bromus diandrus Beecher Crampton 1962-4-10 6128 Yolo Yolo County, city of Davis, vacant lot on 6th Street. Comment
  UCD58598  Bromus diandrus Cay Collette 1975-4-5 2 Yolo Knight's Landing. Along levee. Approx. 100' from Sacrameto River. 15 Comment
  UCD59465  Bromus diandrus Beecher Crampton 1957-11-11 4648 Yolo East of West Davis Elementary School, Davis. 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
  UCD58529  Bromus diandrus M. Wiesendanger 1927-4-29 s.n. Yolo Woodland. Comment
  CAS-BOT-BC155290  Bromus hordeaceus W. D. Hamilton 1946-4-19 s.n. Yolo Along S.P. R.R. about 4 miles north of Davis. Comment
  UCD147285  Bromus hordeaceus Carol W. Witham 2003-4-11 948 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD58672  Bromus hordeaceus Anne Sutherland 1963-5-5 18 Yolo State Highway 128. 5 miles west of Winters. Comment
  UCD58679  Bromus hordeaceus A. A. Beetle 1942-6-1 3731 Yolo Davis. Comment
  CDA1819  Bromus hordeaceus M. K. Bellue 1933-5-3 Yolo 0 Comment
  SEINET240101 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
  UCD58943  Bromus laevipes R. Tofsrud 1947-5-8 s.n. Yolo Near Rumsey. Comment
  SACT000639  Bromus madritensis John Willoughby 1977-4-27 Yolo south-facing slope on llow foothills north of hwy 128, 1.3 miles east of intersection 48.77 Comment
  CDA31258  Bromus madritensis subsp. rubens M. Beyers 2010-5-12 446 Yolo In the vicinity of Esparto, along the east side of County Road 87, where it bridges Cache Creek on its north. 55 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
  UCD164511  Bromus sterilis Craig Thomsen 2006-5-4 2687 Yolo Camp Haswell County Park. In parking lot, west of Cache Creek. 144 Comment
  UCD37833  Bromus sterilis Beecher Crampton 1962-4-18 6223 Yolo Yolo County, city of Davis, Southern Pacific Railroad Station. Comment
  UCD73106  Bromus sterilis Ellen Dean; Susan Xhang, Christa Lindsey, Chris Mosser 2008-5-3 4897 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Along Bray Creek. 88 Comment
  UCR152294  Bromus sterilis Beecher Crampton 1956-4-2 3239 Yolo Sacramento Valley, city of Davis, Southern Pacific Railroad Triangle 16 Comment
  UCD59752  Bromus tectorum Beecher Crampton 1980-5-17 9721 Yolo Davis. Comment
  UCD59770  Bromus tectorum var. glabratus Beecher Crampton 1959-5-11 5207 Yolo Putah Creek Canyon, Vaca Mtns. along State Hwy. 128. Comment
  SEINET3923676  Bromus willdenowii Beecher Crampton 1970-3-9 8534 Yolo Uc Davis, Dairy road. Parking lot planting.; 0 Comment
  UCD105597  Caesalpinia gilliesii J. Shepard 1997-7-25 s.n. Yolo City of Davis. Found along the west side of Fifth Street near Pena. Comment
  SDSU972  Calamagrostis bolanderi T. Cass 1974-10-21 1208 Yolo Project No.: 74-692 Comment
  CAS-BOT-BC438635  Calandrinia ciliata Clarence R. Quick 1971-4-20 71 -33 Yolo Pylman-Quick garden, Merritt Island, near Clarksburg Comment
  CAS-BOT-BC438637  Calandrinia ciliata Alice Eastwood 1927-3-28 14238 Yolo Near Winters Comment
  JEPS52600  Calandrinia ciliata Louise Nash 1919-3-9 Yolo Davis Comment
  UCR206550  Calandrinia ciliata George K. Helmkamp, E. A. Helmkamp 2009-3-17 14401 Yolo Inner North Coast Ranges Foothills, along CA-20 and Cache Creek, 4.3 miles southeast of the Colusa County line 159 Comment
  HSC17636  Calandrinia ciliata M. Dole 1963-4-7 10 Yolo 3 mi. N of Hwy. 16 on Elkhorn Rd. Comment
  HSC83329  Calandrinia ciliata Patricia Kirchgatter 1975-4-12 1 Yolo Intersection of Rd. 113 and Russell Boulevard 14 Comment
  UCD100247  Calandrinia ciliata Mrs. L. H. Phillips 1929-3-14 1758 Yolo University Farm. Comment
  UCD102981  California macrophylla Beecher Crampton 1955-5-12 2773 Yolo Yolo County, 7.5 miles west of city of Davis, Moon Ranch. Comment
  UCD102983  California macrophylla P. B. Kennedy 1929-4-1 s.n. Yolo Agronomy Experimental Areas, Davis Campus. Comment
  UCD73611  Callitriche marginata Ellen Dean; Elizabeth Goebel 2008-4-7 4739 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
  UCD82191  Callitriche marginata J. Shepard 2004-3-21 644 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
  UCD70434  Calochortus amabilis J. D. Clark 1995-5-27 16 Yolo Robert Lewis Stevenson State Park. East of hwy 129; 1/1-3/4 mi from trailhead along trail. 548 Comment
  SEINET8194291  Calochortus amabilis Unknown 1967-4-19 s.n. Yolo Winters area. 213 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
  SEINET9359698  Calycadenia oppositifolia Unknown 1954-5-6 1827 Yolo Yolo Comment
  CAS-BOT-BC270865  Calycadenia pauciflora Gerald D. Carr 1971-9-28 676 Yolo 7.5 miles SW of Brooks, 1.5 miles N of Berryessa Peak, 300 yards E of road 640 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
  UC1876631  Calycadenia pauciflora Gerald D. Carr 1971-9-15 659 Yolo 3.0 mi E of Lake Co. line on Rieff-Rayhouse Rd. Comment
  UCD129896  Calycadenia pauciflora Gerald D. Carr 1971-9-15 659 Yolo 3.0 miles east of Lake County line on Rieff-Rayhouse Road. Comment
  UCD129899  Calycadenia pauciflora Gerald D. Carr 1971-9-16 661 Yolo 4.2 miles southwest of Guinda on Road 53. 495 Comment
  RSA97983  Calycanthus occidentalis E. M. Gifford, Vernon Cheadle 1951-6-4 s.n. Yolo Putah Creek, Davis. 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
  UCD73239  Calystegia occidentalis subsp. occidentalis Ellen Dean; Susan Xhang, Christa Lindsey, Chris Mosser 2008-5-3 4903 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Near main gate to Bray Canyon area. 59 Comment
  UCR244758  Calystegia occidentalis subsp. occidentalis Jean V. Shepard 2011-8-20 853 Yolo NE of Woodland, from intersection of county roads 102 & 16, east on road 16 to T. Right on Rd 16A around Gray's Bend about 2 miles to private dirt road on left. Site is just east of Sutter Co. line. 14 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
  POM248193  Camissonia ignota Robert F. Hoover 1938-4-23 3199 Yolo Grade on Rumsey - Arbuckle Road. Comment
  UC763012  Camissoniopsis ignota R. F. Hoover 1938-4-23 3199 Yolo grade on Rumsey-Arbuckle road Comment
  UCD168499  Camissoniopsis intermedia Ellen Dean; C. Thomsen and M. Hoshovsky 2017-3-29 9290 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
  CDA3670  Capsella bursa-pastoris T. C. Fuller 1962-3-27 7894 Yolo Road to Davis, 3 miles east of Winters. 0 Comment
  UCD114123  Capsella bursa-pastoris Beecher Crampton 1957-3-26 3898 Yolo Landscape Management Plots, UC Davis Campus. Comment
  UCD14253  Capsella bursa-pastoris Wayne Padgett 1974-5-7 35 Yolo Yolo County, University of California at Davis campus, in experimental garden area behind Briggs Hall; Comment
  SEINET10780129  Capsicum annuum Stephanie Frischie 2000-1 Yolo Comment
  UCD167660  Capsicum frutescens Paul G. Smith 1959-1 SA 59 Yolo University of California at Davis. Department of Vegetable Crops (Truck Crops) greenhouse. Planted from seed collected in a market in Honda, Colombia. Said to be wild. 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
  UCD35021  Cardamine Beecher Crampton 1998-5-18 10361 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
  UCD114193  Cardamine californica Robert Kehlor 1951-4-28 s.n. Yolo above Recreation Beach, Putah Canyon, 10 miles west of Winters. Comment
  UCD83576  Cardamine hirsuta Jean Shepard 2010-4-3 836 Yolo City of Davis, Mace Ranch subdivision. Intersection Costa Mesa and Carmelo, SW corner. Comment
  UCR179182  Cardamine hirsuta Tom Lanini 2002-4-3 s.n. Yolo Sacramento Valley, UC Davis greenhouse 18 Comment
  UCD161223  Cardamine oligosperma Jean Shepard 2011-3-5 s.n. Yolo West of Woodland, Co Rd 16 to Guinda. W on Forest Ave (Co Rd 53) about 1 mi to gate. Continue about 1 mi past gate. 198 Comment
  UCD41026  Cardamine oligosperma Carol W. Witham 2003-4-11 957 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  CDA3656  Cardaria chalepensis G. D. Barbe 1991-4-26 4409 Yolo 41370 Jefferson Boulevard (Highway 84), 0.4 mile south of Road 158. 0 Comment
  CDA36934  Carduus pycnocephalus CDFA Staff s.n. Yolo Rominger Prop., north of County Road 19, east of County Road 92C, west of County Road 94B. 0 Comment
  UCD15245  Carduus pycnocephalus Barry Montoya 1981-5-30 18 Yolo Along Highway 128, west of Winters, 20 meters inside Stebbins Cold Canyon Reserve, on both sides of the entrance path. 124 Comment
  UCD20858  Carduus pycnocephalus N. Nicola 2001-2-5 075 Yolo Sacramento Valley, 4 miles west of Woodland, at Cache Creek Nature Preserve, riparian zone of Cache Creek. Comment
  UCD58057  Carduus pycnocephalus Ellen Dean; K. Mawdsley 2007-4-6 3597 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. 555 Comment
  UCD73806  Carduus pycnocephalus Ellen Dean 2008-11-19 s. n. Yolo Putah Creek. Near Winters. Comment
  UCD150944  Carduus pycnocephalus subsp. pycnocephalus D. S. Park; K. Mawdsley 2010-4-22 25 Yolo Stebbins Cold Canyon area west of creek. 81 Comment
  CAS-BOT-BC19386  Carex barbarae J. McGrath 1963-3-8 6 Yolo Highway 128, 8 miles west of Winters. Wet pools adjacent to Putah Creek. 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
  UCD35422  Carthamus tinctorius Beecher Crampton 1956-7-13 3715 Yolo Yolo bypass. Comment
  CDA15538  Carthamus tinctorius G. F. Hrusa 1998-7-11 14706 Yolo Central Valley; Hwy 16 at S edge of Woodland approx. 1/3 mi. N of Rd. 25a. Comment
  UCD144416  Carthamus tinctorius G. F. Hrusa 1998-7-11 14706 Yolo Highway 16 at south edge of Woodland approximately 1/3 mile north of Road 25a. 15 Comment
  UCD123068  Castilleja A. A. Beetle 1945-1-20 3078 Yolo west of Winters in Putah Canyon. Comment
  UCD82080  Castilleja applegatei Robin McMaster 1973-4-15 303 Yolo 3 mi NW Rumsey on Hwy 16. 152 Comment
  JEPS5856  Castilleja applegatei subsp. martinii R. W. Cleveland 1951-2-23 8 Yolo 3.5 mi nw Rumsey; Cache Creek Canyon Comment
  UC630439  Castilleja applegatei subsp. martinii Annetta Carter 1938-5-7 1362 Yolo Cache Creek Canyon, 3.6 miles north of Rumsey, Inner North Coast Range Comment
  RSA305819  Castilleja applegatei subsp. martinii James R. Shevock 1972-3-25 1431 Yolo Hwy 128; Putah Creek. 61 Comment
  SEINET12350271  Castilleja attenuata Unknown 1998-4-28 7 Yolo near base of Monticello Dam 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
  UCD19503  Castilleja exserta subsp. exserta Terry Reedy 1974-4-6 72 Yolo 2.5 mi. west of Winters on Highway 128, beside road. 45 Comment
  UCD55502  Caulanthus lasiophyllus J. Shepard 2001-3-16 400 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 .2 mi. along unpaved entrance road, then nearly .5 mi south toward Co. Rd. 36, 20 yd. north of the road. 12 Comment
  UCR219516  Caulanthus lasiophyllus Jean V. Shepard 2000-4-9 112 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., 1 mi east along unpaved entrance 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
  RSA589906  Ceanothus cuneatus Michael A. Vincent, Robert M. Rhode 1996-3-30 7270 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16 , ca. 2 miles S of Colusa Co. Line. 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
  UC912400  Ceanothus integerrimus Ethel Crum 1938-5-7 1999 Yolo Cache Creek canyon Inner North Coast Ranges (4 mi n of Rumsey.) 152 Comment
  UCD20567  Ceanothus maritimus A. T. Leiser 1981-3-13 HN 24 Yolo Yolo County, Davis, UC Davis Environmental Horticulture, B-6, row 32, plant 43. Comment
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Jan 10 2015
  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
  UC735718  Centaurea calcitrapa Charles B. Heiser Jr. 1947-6-1 1923 Yolo Davis Comment
  CAS-BOT-BC276976  Centaurea calcitrapa A. S. Crafts No date on label s.n. Yolo Near Davis Comment
  UCD130004  Centaurea calcitrapa Chas. B. Heiser Jr. 1947-7-10 1923 -a Yolo Davis. Comment
  UCD38832  Centaurea calcitrapa Beecher Crampton 1958-7-24 5044 Yolo 4 miles north of Davis. 0.9 miles east U.S. Hwy 99W. Comment
  UCD159355  Centaurea cyanus D. S. Park; G. J. Harrington 2010-6-10 140 Yolo 26412 Robin St, Esparto, weed in garden. Comment
  CDA7229  Centaurea iberica B. Elliott, R. Perkins 1974-9-25 Yolo Glide Tule Ranch south of Davis on Mace Boulevard. 0 Comment
  UCD129958  Centaurea jacea R. Tofsrud Date Unknown s.n. Yolo Davis. Comment
  UCD81043  Centaurea melitensis Agnieszka Zalicka; with PLB 102 class 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. On a southeast-facing slope on the west side of Bray Canyon. 57 Comment
  CDA7286  Centaurea melitensis M. K. Bellue 1945-5-15 Yolo Near Woodland. 0 Comment
  NY532387  Centaurea repens B. Crampton 1956-7-13 3718 -B Yolo Harbor Blvd. and Deluth St., West Sacramento. Comment
  UCD130071  Centaurea solstitialis J. K. Couch 1995-6-5 38 Yolo In Community Gardens in Davis, CA. 1.5 miles north of Putah Creek, bordering 113. 16 Comment
  UCD149330  Centaurea solstitialis Collector Unknown 1925-6-17 s.n. Yolo University of California, Davis. University Farm. 15 Comment
  UCR237588  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2012-3-9 18604 Yolo Sacramento Valley, East Main Street (Co. Rd. 22), Woodland (parallel to I-5), 0.4 mile west of the Sacramento River 7 Comment
  CAS-BOT-BC284494  Centaurea solstitialis M. P. Bellue 1931-9-4 1 Yolo Near Davis Comment
  CDA7315  Centaurea solstitialis G. D. Barbe 1980-4-16 2573 Yolo Southwest corner County Roads 14 & 88, north of Esparto. 0 Comment
  SEINET3477477  Centaurea solstitialis M. P. Bellue 1931-9-4 Yolo Near Davis, Near Davis Comment
  UCD130084  Centaurea solstitialis B. Crampton 1957-7-16 4395 Yolo north of Hunt Hall, University of California, Davis Campus. Comment
  UCD41106  Centranthus ruber D. Lowry 2002-4-12 182 Yolo Eastern foothills of inner north coast range, Capay Valley. Cache Creek Riparian Preserve. Comment
  JEPS41109  Centromadia parryi subsp. parryi Rimo Bacigalupi, L. R. Heckard, and C. L. Custer 1965-10-4 9120 Yolo 1.8 mi ene (measured from US 99W) Woodland (fields adjacent to air strip (landing field) and sewage disposal (treatment) plant) 10 Comment
  CAS-BOT-BC279098  Centromadia parryi subsp. rudis A. J. Bassinger 1920-11-1 s.n. Yolo Woodland 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
  CAS-BOT-BC279108  Centromadia parryi subsp. rudis H. M. Hall 1923-10-11 11919 Yolo W. end of Yolo Causeway Comment
  JEPS81968  Centromadia parryi subsp. rudis Rimo Bacigalupi, L. R. Heckard, and C. L. Custer 1965-10-4 9120 Yolo 1.8 mi ene (measured from US 99W) Woodland (fields adjacent to air strip (landing field) and sewage disposal (treatment) plant) 10 Comment
  SFV12381  Centromadia parryi subsp. rudis D. L. Koutnik, J. Sowell 1978-10-27 568 Yolo Putah Creek, east of County Road 106 and west of Yolo Causeway. 6 Comment
  UCD130151  Centromadia parryi subsp. rudis Daryl Koutnik; John Sowell 1978-10-27 568 Yolo Putah Creek, east of county road 106 and west of Yolo Causeway. 6 Comment
  UCD135690  Centromadia parryi subsp. rudis Bruce G. Baldwin 1985-10-15 545 Yolo west edge of Yolo Causeway between Interstate 80 and the Davis-Sacramento railroad tracks. Comment
  UCD38756  Centromadia pungens Beecher Crampton 1957-10-25 4638 Yolo West Sacramento, along the US Hwy. 40 freeway. Comment
  UCD130209  Centromadia pungens J. Skoss 1948-6-5 12 Yolo along Southern Pacific Railroad, 2 miles north of Davis along county road. Comment
  CAS-BOT-BC228576  Centromadia pungens subsp. pungens Tom Kearney 1973-3-12 s.n. Yolo West side of Sacramento River, about 5 miles north of Knights Landing Comment
  CAS-BOT-BC279408  Centromadia pungens subsp. pungens Doris K. Kildale 1928-5-8 5038 Yolo 12 miles north of Dixon Comment
  CAS-BOT-BC223003  Cephalanthus occidentalis H. Keith Wagnon 1981-6-3 s.n. Yolo West side of Sacramento River ca. 3 mi. s. of West Sacramento Comment
  JEPS12452  Cephalanthus occidentalis var. californicus W. L. Jepson 1934-7-28 16743 Yolo Capay Valley Comment
  UCD144786  Cerastium glomeratum Carol W. Witham 2003-4-9 919 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  SEINET5736135 Image available Ceratonia siliqua Shirley C. Tucker 1988-1 28888 Yolo Univ. of CA Arboretum near Horticulture Dept. headquarters building, S of Putah Creek.; Davis Comment
  CAS-BOT-BC207763  Cercis occidentalis Lincoln Constance 1938-3-27 2046 Yolo Monticello-Winters road, 8 mi NW of Winters, Vaca Mountains, Inner North Coast Ranges, on Putah Creek 304 Comment
  RSA29316  Cercis occidentalis Joseph A. Ewan 1934-3-18 8688 Yolo Putah Creek, 8 miles above Winters. Comment
  SEINET6330022 Image available 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
  UC917182  Cercis occidentalis T. Tomich 1949-4-11 4 Yolo 8 mi nw Rumsey; Cache Creek Canyon Comment
  UCD105630  Cercis occidentalis Beecher Crampton 1952-10-28 893 Yolo Yolo County, 5 miles west of city of Winters, on south bank of Putah Creek. Comment
  UCD105655  Cercis occidentalis Jackie Sinkey 1976-4-14 s.n. Yolo Davis. Comment
  UCD105666  Cercis occidentalis M. Wiesendanger 1927-5-4 643 Yolo Putah Canyon. Comment
  UCD56740  Cercis occidentalis Ellen Dean; M. Bibbo 2007-3-23 3432 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
  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
  RSA739227  Cercocarpus betuloides Keith E. Hoffmaster 1946-4-13 1227 Yolo Putah Canyon. 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
  UCD168412  Cercocarpus betuloides Ellen Dean; M. Hoshovsky 2017-4-18 9321 Yolo Audubon Bobcat Ranch. Lands to the north of Hwy 128. Eastern portion of ranch north of ranch headquarters in a canyon to the south of Rattlesnake Rock. Area has burned three times in the past three years. 179 Comment
  UCD48195  Cercocarpus betuloides var. betuloides Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 12 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
  UCD22838  Ceropegia Roman Gankin 1962-1 s.n. Yolo Comment
  UCD169005  Chaenactis glabriuscula var. heterocarpha Ellen Dean; Dash Weidhofer and Audubon trip participants 2017-4-1 9306 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
  UCD18531  Chaenomeles June McCaskill 1954-4-13 229 Yolo city of Davis, 427 L St., in yard. Comment
  UCD38523  Chenopodium X pseudostriatum Beecher Crampton 1956-1-3 3214 Yolo 3/4 mile north of Davis. Comment
  UCD21333  Chenopodium album J. Shepard 2000-6-30 316 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 the south side. Between entrance road and easternmost parking lot in a 4 foot pile of topsoil. 12 Comment
  UCD34175  Chenopodium album Beecher Crampton 1977-8-22 9521 Yolo Davis, Russell Blvd. Comment
  UCD81847  Chenopodium berlandieri Ellen Dean; M. Showers, G. Harrington 2009-6-3 5766 Yolo Woodland Regional Park. City of Woodland property on the E side of County Road 102, just S of County Road 25. Old rodeo area with buildings now removed. 9 Comment
  UCD167904  Chenopodium murale Art M. Shapiro 2016-9-12 s.n. Yolo Winters. Under Railroad Ave. bridge over Putah Creek. Comment
  UCD105588  Chenopodium murale Chas. Heiser 1947-7-9 1950 Yolo On campus, Davis. Comment
  UCD63137  Chenopodium murale A. M. Shapiro 2007-8-30 s.n. Yolo California. Yolo County: UC Davis campus. Comment
  UCD98311  Chenopodium murale Beecher Crampton 1953-11-16 1735 Yolo Vacant lot, Davis. Comment
  UCD38929  Chenopodium rubrum Beecher Crampton 1961-10-25 6059 Yolo 2 miles west of Bryte, County Road 127, confluence of the Sacramento and Yolo Bypass. 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
  UCD20549  Chionanthus virginicus A. T. Leiser 1981-11-11 Yolo Yolo County, Davis, UC Davis Campus, Tercero complex. Comment
  CAS-BOT-BC184890  Chloris virgata Beecher Crampton 1955-8-27 3140 Yolo Along US Highway 99W, 3 miles north of Davis. Comment
  SBBG21232  Chloris virgata B. Crampton 1955-8-23 Yolo 3 mi N of Davis; US Hwy 99 Comment
  UC1040705  Chloris virgata Beecher Crampton 1955-8-27 3140 Yolo along US Hwy 99W 3 mi n 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
  UCD57949  Chloris virgata A. M Shapiro 1996-7-4 s.n. Yolo Northern California, approximately 2 miles north of Davis, opposite end of F Street, Road 29. Comment
  UCD57951  Chloris virgata Beecher Crampton 1955-8-23 3140 Yolo 3 miles north of Davis, ditchbed along U.S. Hwy. 99 W. Comment
  UCD13311  Chlorogalum pomeridianum Bill Chally 1989-6-2 18 Yolo Yolo CO. Stebbins Reserve. Elevation 440 feet. 134 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
  CHSC106024  Chorizanthe membranacea Ayzik Solomeschch 2005-4-10 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
  UC762661  Chorizanthe membranacea R. F. Hoover 1938-4-23 3200 Yolo grade on Rumsey- Arbuckle Road; Rumsey-Arbuckle Road Comment
  UCD59329  Chorizanthe membranacea Ellen Dean; Kate Mawdsley 2007-5-11 3753 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. 637 Comment
  UCD130478  Cichorium intybus A. S. Crafts 1926-7-8 481 Yolo University Farm Campus, Davis. Comment
  SEINET5713148  Cichorium intybus Barbara Bogert 1970-1 28 Yolo Woodland Sewage Disposal Plant. 30 Comment
  UCD130495  Cichorium intybus J. D. Skoss 1948-8-12 87 Yolo University of California campus, Davis. Comment
  UC494270  Cirsium occidentale var. venustum Tracy J. Storer 1912-7-1 Yolo Rumsey Comment
  UCD20577  Cirsium occidentale var. venustum E. Dean; with M. Bibbo 2002-7-5 1118 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 3.4 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 640 Comment
  UCD80920  Cirsium vulgare Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5323 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
  UCD160096  Clarkia affinis Lauren Bradt 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
  UCD23194  Clarkia affinis A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  CAS-BOT-BC162560  Clarkia affinis A. A. Heller; H. E. Brown 1902-5-22 s.n. Yolo Banks of Putah Creek near Winters Comment
  SFV8308  Clarkia concinna R. Inokuchi 1971-5-8 36 Yolo North Coast Ranges Along Cache Creek, 3 miles northwest of Capay. 100 Comment
  UCD104437  Clarkia concinna H. B. Nidever 1951-5-26 39 Yolo 2 miles N of Rumsey, Cache Creek Canyon. 106 Comment
  POM32011  Clarkia concinna subsp. concinna C. F. Baker 1903-5-8 2982 Yolo Cache Creek canyon Comment
  UCD41039  Clarkia gracilis subsp. gracilis Carol W. Witham 2003-4-26 971 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD104845  Clarkia purpurea Beecher Crampton 1972-4-19 8791 Yolo 2 miles W of Winters. Comment
  POM32290  Clarkia purpurea subsp. purpurea C. F. Baker 5065 Yolo Cache Creek Canyon Comment
  HSC62911  Clarkia purpurea subsp. quadrivulnera J. M. DiTomaso 1979-5-12 984 Yolo 3.9 mi. E of Yolo-Colusa County line on Rd. 128, below Lake Berryessa 76 Comment
  CDA30843  Clarkia unguiculata M. Beyers 2010-5-12 438 Yolo Vicinity of Esparto, east side of County Road 87, at Cache Creek bridge. 55 Comment
  SEINET5740172 Image available Clarkia unguiculata John R. Bowen 1973-1 26 Yolo State Hwy 16, 12 miles S of its junction with State Hwy 20, W side of Cache Creek Canyon.; Cache Creek Canyon 213 Comment
  UCD100580  Claytonia exigua Rolf Y. Berg 1964-3-14 8018 Yolo State Highway 16, ca. 2.5 miles northwest of Rumsey, on steep, north-facing slope south of bridge. Comment
  UCD100727  Claytonia perfoliata Alan P. Godlewski 1974-4-15 1 Yolo behind Envir. Hort. On U.C. Davis campus. Comment
  CAS-BOT-BC440065  Claytonia perfoliata subsp. perfoliata R. H. Miller 1949-5-7 45 Yolo About 3 miles west of Winters, beside Putah Canyon road Comment
  SEINET10335281 Image available Clematis armandii B. J. McCaskill 1954-3-13 221 Yolo On front of Student Health Center, University of California, Davis Comment
  UCD15643  Clematis lasiantha Rachelle Raymond 1989-6-2 703 Yolo Outside Stebbins Reserve. 121 Comment
  UCD20574  Clematis lasiantha E. Dean; with M. Bibbo 2002-7-5 1116 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 3.5 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 640 Comment
  UCD56734  Clematis lasiantha Ellen Dean; M. Bibbo 2007-3-23 3426 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
  UCR141659  Clematis lasiantha Katherine Esau 1933-5-24 s.n. Yolo Coast Range, Putah Canyon [Solano Co.?] 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
  RSA0117398  Collinsia concolor Keith E. Hoffmaster 1939-4-6 918 Yolo Putah Canyon. Comment
  RSA734138  Collinsia concolor Lois Weston 1942-4-24 1174 Yolo Putah Canyon. Comment
  UCD123652  Collinsia sparsiflora R. B. Griffith 1949-4-11 16 B Yolo east of Cache Creek, 5.5 miles north of Rumsey. Comment
  UC917151  Collinsia sparsiflora var. collina R. B. Griffith 1949-4-11 16 B Yolo 5.5 mi n Rumsey (e of Cache Creek); e of Cache Creek Comment
  UCD123667  Collinsia sparsiflora var. collina James Arthur 1966-2-5 14 Yolo 3/4 mile east of Monticello Dam, State Highway 128. Comment
  UC596287  Collinsia sparsiflora var. sparsiflora R. F. Hoover 1938-2-22 2767 Yolo Putah Creek Canyon Comment
  UC766271  Collinsia sparsiflora var. sparsiflora R. F. Hoover 1938-2-22 2767 Yolo Putah Creek Canyon Comment
  UCD126335  Conium maculatum Beecher Crampton 1956-3-27 3234 Yolo city of West Sacramento, eastern bank of Yolo Causeway. Comment
  UCD36841  Conium maculatum Beecher Crampton 1956-3-27 3234 Yolo city of West Sacramento, eastern bank of Yolo Causeway. Comment
  UCD126207  Convolvulus arvensis M. Ramos 1996-5-25 24 Yolo north side of Davis. 12 Comment
  UCD69415  Convolvulus arvensis S. Quick 1996-5-19 12 Yolo City of Davis. F Street, within 10 meters of the railroad tracks, between 12th and 14th Streets. Disturbed rocky field, dominated by grasses. Herb densely decumbent to spreading vine. Flowers white with pink edging along sepal margins. 17 Comment
  SFV8756  Convolvulus arvensis D. Barber 1974-5-28 41 Yolo Sacramento Valley Davis. Alogn bike path at corner of Russell Boulevard and La Rue Road. Comment
  UCD14213  Convolvulus arvensis Joan Alleguer 1974-5-20 43 Yolo Yolo County; U.C. Davis campus, near the medical school 15 Comment
  UCD15692  Convolvulus arvensis David Uyeno 1989-6-8 15 Yolo Covell Blvd., Davis. 12 Comment
  CDA16249  Conyza canadensis G. F. Hrusa 1997-11-11 14129 Yolo Sacramento Valley; Sacramento bypass entrance into Yolo bypass at crossing of River Rd. in W Sacramento, ~ 1/4 mi W of Sacramento River outflow. 0 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
  RSA420750  Cordylanthus palmatus Robert Gustafson 1985-6-15 3180 Yolo Jct of Road 25 and 103, SE of Woodland (private wildlife sanctuary) Comment
  UC1278026  Cordylanthus palmatus B. Crampton 1952-11-4 909 Yolo 1.5 mi e Woodland (vicinity of Woodland sewage disposal plant) Comment
  UCD123096  Cordylanthus rigidus subsp. rigidus A. M. Shapiro 1994-9-7 s.n. Yolo West Sacramento; along jeep trail N of RR embankment, near E levee of Yolo bypass. Comment
  CDA3691  Coronopus squamatus G. D. Barbe 1987-4-14 4267 Yolo Yolo Bypass north of I-80, 5 miles east of Davis. 0 Comment
  CAS-BOT-BC190028  Cortaderia selloana June McCaskill; Katherine Onaga 1964-10-2 690 Yolo Lining dirt road skirting south side of Home Economics Building, University of California campus, Davis. Comment
  SEINET3926230  Cortaderia selloana June McCaskill, Katherine Onaga 1964-10-2 690 Yolo Lining dirt road skirting south side of Home Economics Building, University of California campus, Davis.; 0 Comment
  UCD22757  Cotoneaster dammeri Collector unknown 1988-2-8 s.n. Yolo Environmental Horticulture building. Comment
  SEINET11248513 Image available Cotoneaster franchetii Mary L. Mello 1949-12-16 Yolo University of California campus, Davis Comment
  SEINET11248504 Image available Cotoneaster pannosus Charles C. Adamson 1960-5-22 39 Yolo County Road 98, 1.5 miles west of Davis Comment
  UCR219958  Cotula australis Ayzik Solomeshch 2004-5-14 s.n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of the ranch. Grassland restoration and weed contol plots of Emilio Laca and Joe DiTomaso 84 Comment
  UCD130878  Cotula australis Chas. Heiser Jr. 1947-2-15 1878 Yolo Davis. Comment
  UCD80825  Crassula aquatica Ellen Dean 2009-3-22 5283 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
  UCD101828  Crassula connata Robert C. Bechtel 1952-3-16 23 Yolo Putah Canyon. 60 Comment
  HSC41163  Cressa truxillensis D. E. Anderson 1977-5-15 15699 Yolo N of Yolo bypass, Ca. 20 mi. N of Sacramento along I-5. Under Southern Pacific Railroad trestle. 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
  RSA657060  Cressa truxillensis Beecher Crampton 1956-7-13 3704 Yolo Yolo Bypass. 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
  SEINET4207100  Cressa truxillensis T. J. Mumma 1910-9-2 s.n. Yolo Dunnigan, CA.; 0 Comment
  UCD125724  Cressa truxillensis Beecher Crampton 1978-6-27 9617 Yolo 4 miles S.E. of Woodland. Comment
  UC1360437  Crossandra infundibuliformis Edward B. Risley 1968-6-7 Yolo In greenhouse at 620 B street, Davis, Yolo County, California. Comment
  UCD19198  Croton setiger June McCaskill 1988-4-15 s.n. Yolo up Putah Canyon Rd. 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
  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
  UCD142137  Croton setiger Fleur Ng'weno 1989-5-7 DQ 41 Yolo D-Q University County Road 31, 9 mi. west of Davis city center. 29 Comment
  UCD37720  Crypsis schoenoides Beecher Crampton 1961-8-1 5965 Yolo Davis. Southern Pacific Railroad. Comment
  UCD41059  Crypsis schoenoides Carol W. Witham 2003-8-8 990 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD36494  Crypsis vaginiflora Beecher Crampton 1953-10-15 1695 Yolo Yolo County, Capay, along Cache Creek. 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
  POM64395  Cryptantha excavata C. F. Baker 1903-5-8 2886 Yolo Cache Creek cannon [Canyon] Comment
  UCD160547  Cryptantha flaccida Ellen Dean; Craig Thomsen 2015-3-21 8601 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
  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
  UCD37598  Cryptantha flaccida Beecher Crampton 1955-4-18 2502 Yolo Yolo County, 2 miles west of Winters. Comment
  UC762457  Cryptantha microstachys R. F. Hoover 1938-4-23 3190 Yolo grade on Rumsey to Arbuckle road 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
  UCD35449  Cuscuta brachycalyx Beecher Crampton 1956-9-27 3872 Yolo 3 miles west of Davis. Comment
  CDA39921  Cuscuta californica M. Pryor 1958-8-11 1003 -58 Yolo County Road 99 near Davis. 0 Comment
  UCD38922  Cuscuta campestris Beecher Crampton 1961-10-25 6041 Yolo 4 miles NW of Bryte, Yolo Bypass, S of Todhunter's Lake. Comment
  UCD67396  Cuscuta campestris Julia Curlette 1992-5-5 5 Yolo Yolo county : Pedric Rd. Along roadside. Comment
  UCD41041  Cuscuta howelliana Carol W. Witham 2003-8-8 972 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD126323  Cuscuta indecora var. indecora Collector Unknown 1950-8-1 s.n. Yolo Solano Tract, U.C. Campus, Davis. Comment
  OBI68589  Cuscuta japonica Bill Lyon 2006-11-28 1441246 Yolo West Sacramento; 1912 Proctor Ave 4 Comment
  UCR197306  Cuscuta japonica Bill Lyon 2006-11-28 PDR 1441246 Yolo Sacramento Valley, West Sacramento, 1912 Proctor Avenue 4 Comment
  CHSC96771  Cuscuta pentagona T. C. Fuller 1960-11-7 5307 Yolo Sacramento Valley. Yolo County. In Yolo Bypass, along River Rd. E of Woodland. Comment
  UCD54471  Cuscuta pentagona R. Keith Glenn 1973-10-9 s.n. Yolo Sugar beat field ca. 2 miles south of Interstate hwy 80 on east edge of Yolo Bypass. Comment
  UCD15539  Cuscuta salina Lara Hawthorne 1989-6-3 18 Yolo 6 miles east of Winters. 15 Comment
  SEINET242426  Cuscuta subinclusa W. A. Harvey 1953-10-20 s.n. Yolo Pole Line Road (County road #102) ca. 4 mi N of Davis. Comment
  UCD169012  Cyclospermum leptophyllum Ellen Dean 2017-4-5 9308 Yolo City of Davis. In lawn of house on southwest corner of the intersection of Anderson and 8th streets. Comment
  UCR198097  Cynodon Beecher Crampton 1970-6-24 8624 Yolo Sacramento Valley, UC Davis campus sewer air exhaust site 16 Comment
  POM302060  Cynodon barberi A. A. Beetle 1945-8-20 4022 Yolo Davis, on Univ. of Calif. farm Comment
  UCD60009  Cynodon barberi R. Tofsrud 1947-12-13 s. n. Yolo U. C. Davis campus. Back of old Agronomy Division buildings. Comment
  SACT000832  Cynodon dactylon Brian Brown 1975-10-10 Yolo dry habitat Comment
  SACT000838  Cynodon dactylon John Willoughby 1977-4-27 Yolo State Highway 128 at fishing access point, 1.2 miles northwest of the junction with County Road 86. South-facing slope on north side of road, grassland. 65.0 Comment
  UCD37780  Cynodon dactylon Beecher Crampton 1962-1-8 6084 Yolo Yolo County, 2.5 miles west of Winters, State Highway 128. Comment
  UCD60097  Cynodon dactylon J. K. Couch 1995-6-1 33 Yolo In Community Gardens in Davis. 1.5 miles north of Putah Creek, bordering 113. 16 Comment
  UCD60116  Cynodon dactylon P. B. Kennedy 1915-1 s. n. Yolo Davis. Comment
  CAS-BOT-BC190204  Cynodon dactylon Bellue 1933-6-11 s.n. Yolo Unspecified. Comment
  CDA1943  Cynodon dactylon M. K. Bellue 1933-6-11 Yolo 0 Comment
  RSA99597  Cynodon dactylon P. H. Raven 1952-6-28 4219 Yolo Davis Comment
  UCD119180  Cynoglossum grande Marvin Nies 1951-2-23 5 Yolo 5 miles north of Rumsey. Comment
  UC1563964  Cyperus eragrostis Barbara Ertter 1988-10-21 7993 Yolo 1.5 mi. n. Madison (ca. 10 airmiles w. of Woodland, Cache Creek at Rd. 89 crossing just w. of I-505, e. of gravel pits); Sacramento Valley, Cache Creek 36 Comment
  UC569553  Cyperus eragrostis H. S. Yates 1936-8-14 6124 Yolo 8 mi. n.e. Knights Landing; Dunnigan Quad. 15 Comment
  RSA92356  Cyperus erythrorhizos Beecher Crampton 1954-9-28 2281 Yolo Rice levee, 5 miles east of Davis Comment
  UCD141040  Cyperus erythrorhizos B. Crampton 1954-9-28 2281 Yolo 5 miles eact of Davis. Comment
  UCD141070  Cyperus esculentus Otto Andersen 1955-7-14 s.n. Yolo Aggie Villa, Davis. Comment
  SEINET893037  Cytisus canariensis June McCaskill 1954-1 301 Yolo West side of Construction and Repair Building, University of California, Davis. 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
  UCD62877  Datisca glomerata Chris Mosser; 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. Found on west-facing slope on the east bank of Bray Creek as well as in the creek. 100 Comment
  UCD126514  Datura ferox Beecher Crampton 1953-10-15 1693 Yolo 2 miles west of Madison. Comment
  CAS-BOT-BC474703  Datura wrightii Jean Shepard 2001-6-16 467 Yolo Co. Rd. 104, 2.2 mi S of intersection I-80, 100 yd S of bridge over Putah Creek, on W side of road 10 Comment
  UC1088740  Datura wrightii R. Snow 1957-10-2 322 -1 Yolo s Davis (Putah Creek); Putah Creek Comment
  UCR242100  Daucus carota Heidi Haugen 1984-4-15 023 Yolo Sacramento Valley, Corner of Road 28 & Road 104, Yolo County Sanitary Landfill 15 Comment
  UCD127418  Daucus pusillus Jack Maze 1963-4-27 16 Yolo 3/4 mile east of Recreation Beach, State Highway 128. Comment
  UCR206294  Daucus pusillus George K. Helmkamp, E. A. Helmkamp 2009-5-20 14734 Yolo Inner Coast Range, west side of Cache Creek along CA-16, 5.5 miles southeast of the Colusa County line 177 Comment
  UCD95701  Delphinium decorum Ogden C. Riddle 1942-3-29 21 Yolo Road west of Recreation Beach in Putah Canyon. Comment
  LA207397  Delphinium hansenii H. Lewis; Carl Epling 1946-5-5 606 Yolo Bridge 2234, 3.8 mi. W of Winters Comment
  UC1031394  Delphinium hansenii H. Lewis and G. Mehlquist 1941-5-9 Yolo State Hwy 28 3.6 mi w Winters Comment
  UCD67391  Delphinium hesperium Cindy Marie Clem 1992-4-25 20 Yolo Just outside Stebbins Preserve, along hwy 128, W of Winters, among annual grasses in a canyon. Growing in oak woodland in low to moderate moisture and part sun with Quercus, Aesculus, and Ceanothus dominant. 5 dm tall herb with stem scapose, puberulent, leaves 3-cleft, palmate, finely divided. Inflorescense an interrupted raceme with blue/white flowers and sepals extending into a spur. Moderately abundant. 182 Comment
  CAS-BOT-BC9912  Delphinium nudicaule Edna Hannibal 1918-4-14 s.n. Yolo Capay Valley Comment
  UCD96533  Delphinium patens K. Esau 1934-3-5 s. n. Yolo Putah Canyon. Comment
  SEINET12093967  Delphinium patens K. G. Weinstock 1975-1 4 Yolo State Highway 128, 12.6 mi SW of Road 89 and Road 32 intersection Comment
  UCD82327  Delphinium variegatum Robin McMaster 1973-4-15 317 Yolo 7 mi NW Rumsey on Hwy 16. Comment
  UCD160168  Delphinium variegatum subsp. variegatum Laura Losmozos 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
  CAS-BOT-BC192648  Deschampsia danthonioides Roxana S. Ferris 1926-4-24 6467 Yolo 3 miles south of Dunnigan Comment
  UCD21248  Deschampsia danthonioides J. Shepard 2000-4-13 132 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
  UCD33233  Deschampsia danthonioides Beecher Crampton 1967-5-18 7949 Yolo 1 mile north of Davis. Comment
  UCD40994  Deschampsia danthonioides Carol W. Witham 2003-4-11 924 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD62553  Deschampsia danthonioides Beecher Crampton 1955-4-14 2486 Yolo 2 miles south of Zamora. Comment
  UCD62865  Deschampsia danthonioides Fleur Ng'weno 1989-4-27 DQ 18 Yolo D-Q University, County Road 31, 9 miles W of Davis city center. 29 Comment
  UCD72414  Deschampsia danthonioides Ellen Dean; Kate Mawdsley 2008-4-16 4819 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
  CHSC117589  Deschampsia elongata B. Castro; Tom Boullion 2009-6-26 1796 Yolo Sacramento Valley. Ca 6 road mi NW of Knights Landing, via Hwy 45, ca 0.5 mi W of 'El Dorado Bend' on topo map, on W bank of the Sacramento River at RM99.5. 8 Comment
  UCD33597  Dianthus armeria Beecher Crampton 1970-6-22 8622 Yolo Yolo County, UC Davis campus, Dairy barn lawn. Comment
  UCD20799  Dichelostemma capitatum N. Nicola 2001-3-16 15 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  UCD48274  Dichelostemma capitatum A. Laffin; S. Holck, A. Randall 2002-4-13 9 Yolo Yolo County, McLaughlin UC Reserve. W side of Davis Creek Reservoir, alogn 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, 8 yards from the N side of the road. 488 Comment
  UCR207818  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, E. A. Helmkamp 2009-3-24 14440 Yolo Inner North Coast Ranges, along CA-128, 4.4 miles west of Winters and beside Putah Creek 43 Comment
  HSC62922  Dichelostemma volubile J. M. DiTomaso 1979-5-12 994 Yolo Below Monticello Dam near Putah Creek 91 Comment
  HSC81615  Dichelostemma volubile Thomas W. Nelson, Jane P. Nelson 1980-4-27 5105 Yolo Along SR 16, 100 m E of bridge over Cache Creek, 4.2 mi. from county line 152 Comment
  UC333352  Dichelostemma volubile unknown 1891-5-28 Yolo Capay Valley Comment
  UCD63933  Digitaria ischaemum A. A. Beetle 1946-7-1 4702 Yolo Davis. Comment
  UCR197987  Digitaria ischaemum Beecher Crampton 1953-8-27 1616 Yolo city of Davis, Davis High School 15 Comment
  CAS-BOT-BC242659  Digitaria sanguinalis Beecher Crampton 1962-9-11 6670 Yolo 3 miles west of city of Winters Comment
  UCD64002  Digitaria sanguinalis Beecher Crampton 1955-9-29 3162 Yolo U.S. Hwy. 99 W, 1.5 miles north of Davis. Comment
  UCD64129  Digitaria sanguinalis A. S. Crafts 1926-7-8 475 Yolo University Farm Campus, Davis. Comment
  SEINET3927982  Digitaria sanguinalis Beecher Crampton 1966-10-11 7812 Yolo UC Davis agronomy field.; 0 Comment
  SEINET13768859 Image available Diplacus aurantiacus Jack Maze 1963-1 8 Yolo State Highway 128, 3/4 mile west of Recreation Beach Comment
  CAS-BOT-BC151331  Diplacus tricolor A. A. Heller; H. E. Brown 1902-4-29 s.n. Yolo Near Madison Comment
  UCD114709  Diplotaxis tenuifolia A. M. Shapiro 2004-10-31 s.n. Yolo Davis, apparently growing as a weed in community gardens opposite 1818 Fifth Street. Comment
  CAS-BOT-BC474705  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
  UCD36098  Distichlis Beecher Crampton 1952-10-24 869 Yolo Yolo County, I.5 miles north of city of Davis, along Southern Pacific Railroad property. Comment
  SACT000989  Distichlis spicata John Willoughby 1977-4-27 Yolo About 2 miles north-west of the junction of the highway and County Road 86, along drainage ditch on north side of highway. 65.0 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
  UCD64569  Distichlis spicata Beecher Crampton 1962-4-19 6228 Yolo Davis. Southern Pacific R. R. Station. Comment
  UCD81776  Distichlis spicata Ellen Dean 2009-4-26 5476 Yolo Bobcat Ranch lands to the north of Hwy 128, just east of Monticello Dam. In side canyon that goes east from upper reaches of Bray Canyon. 147 Comment
  UCR119012  Distichlis spicata Beecher Crampton 1958-6-20 4940 Yolo Sacramento Valley, 3-4 miles east of Woodland, along State Hwy. 16 and 224. 15 Comment
  UCD64489  Distichlis spicata var. stricta R. N. Raynor 1939-9-10 Yolo 4 miles SE of Woodland. Comment
  UCD64490  Distichlis spicata var. stricta A. A. Beetle 1946-5-11 4703 Yolo Davis. By railroad tower. Comment
  SEINET197736 Image available Dodecatheon hendersonii Everett H. Everson 1951-2-23 1 Yolo Cache Creek Canyon, 5.3 miles Northwest of Rumsey, near border of Yolo and Colusa counties. Comment
  UCD20803  Dodecatheon hendersonii N. Nicola; C. Kremen 2001-3-16 19 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  SEINET5733608 Image available Dodecatheon hendersonii E. F. Beukman 1964-1 6 Yolo On State Hwy 16, ca. 2.5 mi. N of Rumsey.; Rumsey Comment
  UCD118837  Dodecatheon hendersonii C. G. Baughn 1949-4-11 10 Yolo 5.5 miles northwest of Rumsey. 129 Comment
  UCD34232  Downingia bicornuta var. picta Beecher Crampton 1978-5-8 9586 Yolo Yolo County, 1 mile south of Saxon Station, T7N R3E sect. 17 N.W. quarter. Comment
  UCD55050  Downingia concolor M. Phillips 1929-4-30 s.n. Yolo Putah Canyon. Comment
  UC765620  Downingia insignis R. F. Hoover 1937-5-19 2299 Yolo near Zamora 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
  UCD21280  Downingia insignis J. Shepard 2000-5-1 175 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
  UCD21396  Downingia insignis J. Shepard 2001-5-6 440 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 about 400 yards in the largest vernal pool straddling Department of Defense fence. 12 Comment
  UCD21425  Downingia insignis J. Shepard 2002-4-18 521 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
  RSA654051  Downingia insignis Beecher Crampton 1978-5-8 9584 Yolo 1/4 mile S of Saxon Station. Comment
  SFV3645  Downingia insignis D. Ahrenholz 1964-4-27 11 Yolo Sacramento Valley Field off county roads 36 and 106A, Mace Ranch, southeast of Davis. Comment
  UCD170374  Downingia insignis 21 Apr l 2000 s.n. Yolo Site of Greyhawk Housing Development, North of City of Winters. Comment
  UCD41306  Downingia ornatissima Ellen Dean; Jean Shepard 2003-5-18 1809 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
  RSA0016961  Downingia ornatissima T. Tomich 1949-5-20 s.n. Yolo 2 miles W of Davis. Comment
  UC1116670  Downingia ornatissima var. ornatissima Beecher Crampton 1960-5-9 5500 Yolo 1.25 mi sw Saxon Station Comment
  UCD144783  Downingia ornatissima var. ornatissima Carol W. Witham 2003-4-7 884 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD81462  Downingia pulchella M. Wiesendanger 1927-4-29 584 Yolo Davis. Comment
  SEINET8039648  Downingia pulchella B. Crampton 1953-3-31 1049 Yolo Madison, along railroad. Comment
  UCD98712  Dysphania botrys H. A. Borthwick 1925-5-5 1854 Yolo Putah Canyon. Comment
  SEINET241772 Image available Echinochloa Beecher Crampton 1965-7-27 7472 c Yolo 5.1 miles east of Woodland. Comment
  HSC87775  Echinochloa colona June McCaskill, Margene Griggs, W. A. Harvey 1968-8-1 737 Yolo 1/2 mile east of University of California, Davis. Comment
  SBBG21238  Echinochloa colona B. Crampton 1961-7-21 Yolo 2.5 mi W of Davis Comment
  SEINET246027 Image available Echinochloa colona Beecher Crampton 1954-9-9 2268 Yolo 2 miles north of Davis. Comment
  UCD32995  Echinochloa colona Beecher Crampton 1965-10-5 7535 Yolo Yolo County, UC Davis agronomy field house area. Comment
  UCD36446  Echinochloa colona Beecher Crampton 1953-8-24 1602 Yolo Yolo County, 1 mile west of city of Winters. Comment
  UCD60746  Echinochloa colona Michael Mount 1996-7-8 s. n. Yolo Road 27, 3/4 of a mile West of Road 98. Found in an irrigated agricultural area. Comment
  UCD60795  Echinochloa colona Beecher Crampton 1953-8-24 1601 Yolo 1 mile west of Winters. Comment
  CAS-BOT-BC197084  Echinochloa crus-galli John Thomas Howell; Gordon H. True 1967-6-11 42552 Yolo NW. of Woodland Comment
  CAS-BOT-BC227241  Echinochloa crus-galli Beecher Crampton 1965-8-18 7484 Yolo 3 miles west of Knight's Landing Comment
  SEINET242182 Image available Echinochloa crus-galli Beecher Crampton 1965-7-27 7472 b Yolo 5.1 miles east of Woodland. 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
  UCD32952  Echinochloa crus-galli Beecher Crampton 1965-7-27 7472 b Yolo Yolo County, 5.1 miles east of Woodland. Comment
  UCD32960  Echinochloa crus-galli Beecher Crampton 1965-8-18 7482 a 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
  UCD32968  Echinochloa crus-galli Beecher Crampton 1965-8-18 7489 Yolo Road 99E. Comment
  UCD36775  Echinochloa crus-galli Beecher Crampton 1955-8-22 3134 Yolo Yolo County, city of Davis, University of California campus, pomology orchards. Comment
  UCR141751  Echinochloa crus-galli Beecher Crampton 1965-7-27 7472 b Yolo 5.1 mi east of Woodland Comment
  SEINET8465057 Image available Echinochloa crus-galli Beecher Crampton 1965-8-18 7484 Yolo 3 miles west of Knights Landing. Comment
  CDA21293  Echinochloa muricata G. F. Hrusa, C. & E. Dogwin 2007-10-18 17080 Yolo Sacramento Delta; Boat launch area on W side of Sacramento River approx. 1 mi. N of Hood. Uncommon annual immed. above water line on sandy bank. 4 ft. tall. 3 Comment
  CAS-BOT-BC197271  Echinochloa muricata var. microstachya Roxana Stinchfield 1916-6-25 324 Yolo Near mouth of Buckeye Creek Comment
  UC735745  Echinodorus berteroi Charles B. Heiser Jr. 1947-7-22 1964 Yolo rice field n. of Davis Comment
  CAS-BOT-BC445583  Echinodorus berteroi Thomas H. Kearney 1950-9-3 s.n. Yolo Flood bed of Putah Creek at Winters Comment
  UCD131243  Eclipta prostrata K. Esau; K. Hartmann 1941-8-19 s.n. Yolo Knights Landing, U.S. #45. Comment
  UCD81564  Eclipta prostrata W. D. Norton 1928-9-1 1432 Yolo Woodland. Comment
  UCR197966  Ehrharta panicea Beecher Crampton 1953-10-15 1687 Yolo Sacramento Valley, city of Davis, University of California campus Agronomy Plots 16 Comment
  UCD21054  Elatine californica Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-4-5 234 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
  UCD49586  Eleocharis dulcis Chong. I. Chim 1961-10-18 s.n. Yolo Water Chesnut. Origin: Commercial source. Comment
  UCD49594  Eleocharis engelmannii W. A. Harvey 1950-7-10 765 Yolo Rice Field southwest of Woodland, Yolo County, California. Comment
  UCD160564  Eleocharis macrostachya Ellen Dean; Craig Thomsen 2015-3-21 8613 Yolo Audubon Bobcat Ranch. Southwestern part of ranch, just north of Hwy 128 and N of Putah Creek. Area E of Bray Canyon where transmissionl lines are present. Bottom of drainage that flows downslope from escarpment labeled 'spring' on topo maps. Near undeveloped road. 118 Comment
  UCD20748  Eleocharis macrostachya E. Dean; with M. Bibbo 2002-7-5 1146 Yolo McLaughlin UC Reserve. Clover Valley, W of main road that goes N-S through valley. 457 Comment
  UCD49750  Eleocharis macrostachya M. Wiesendanger 1927-4-29 630 Yolo Common Spike Rush. Madison. Comment
  UCD49785  Eleocharis macrostachya R. Tofsrud 1947-4-24 s.n. Yolo North of Davis. Comment
  UCD49787  Eleocharis macrostachya B. Crampton 1941-4-13 129 Yolo Common spikerush', 'Wiregrass'. 5 miles west of Merced, Merced County, California. Comment
  SEINET201484  Eleocharis palustris Paul H. Calberley 1961-5-14 527 Yolo 4 miles west of Davis on State Highway 128, Comment
  UCD49815  Eleocharis palustris Fleur Ng'weno 1989-5-8 DQ 44 Yolo D-Q University County Road 31, 9 mi. west of Davis city center. 29 Comment
  RSA654059  Eleusine indica Beecher Crampton 1977-9-8 9524 Yolo Davis, UC Davis campus quad lawn. Comment
  UCD61263  Eleusine indica Luther Jones 1962-8-10 Yolo UC - Davis campus. Comment
  UCR119085  Eleusine indica Beecher Crampton 1964-7-29 7135 Yolo Sacramento Valley, UC Davis campus, baseball diamond. 15 Comment
  SEINET3929192  Eleusine indica Beecher Crampton 1952-10-3 852 Yolo Yolo County, City of Davis.; 0 Comment
  UCD164528  Elymus glaucus Craig D. Thomsen 2006-6-13 2659 Yolo Camp Haswell County Park, flat above turnout along Hwy 16. 137 Comment
  UCD37783  Elymus repens Beecher Crampton 1962-3-19 6088 Yolo Yolo County, city of Davis, Southern Pacific Railroad station. Comment
  UCD37838  Elymus repens Beecher Crampton 1962-4-18 6229 Yolo Yolo County, city of Davis, Southern Pacific Railroad Station. Comment
  UCD37934  Elymus repens Beecher Crampton 1962-5-4 6401 Yolo Yolo County, city of Davis, Southern Pacific Railroad station. Comment
  UCD62572  Elymus repens Beecher Crampton 1962-4-18 6229 Yolo Southern Pacific R. R. Station, Davis. Comment
  UCD168485  Emmenanthe penduliflora Ellen Dean 2017-3-15 9274 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. East-facing slopes on west side of lower reaches of Bray Canyon. 176 Comment
  UCD168500  Emmenanthe penduliflora Ellen Dean; C. Thomsen and M. Hoshovsky 2017-3-29 9289 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
  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
  UCD37037  Epilobium campestre Beecher Crampton 1956-7-13 3706 Yolo Yolo Bypass. Comment
  UCD105940  Epilobium campestre June McCaskill; Katherine Onaga 1963-6-26 665 Yolo Davis. South side of 2nd Street, 2 miles E of its junction with L Street. Comment
  UCD33984  Epilobium campestre Beecher Crampton 1975-6-18 9224 Yolo Junction of County Roads 38 and 106 off the SW corner. Comment
  UCD38841  Epilobium campestre Beecher Crampton 1958-6-27 4989 Yolo Along County Road 99. ca. 3 miles northwest of Davis. Comment
  UCD73101  Epilobium canum Ellen Dean; Susan Xhang, Christa Lindsey, Chris Mosser 2008-5-3 4894 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. On west side of Bray Canyon. 100 Comment
  CAS-BOT-BC166146  Epilobium canum subsp. canum Georgia Bentley 1919-10-1 39 Yolo [Punta] Puntah Creek [Canon] Canyon 15 mi above Winters Comment
  UCD105425  Epilobium canum subsp. canum M. Phillips 1929-10-1 2070 Yolo Putah Canyon. Comment
  UCD161107  Epilobium cleistogamum Jean Shepard 2000-6-3 297 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 of park. South approximately 200 yards to a low area and vernal pools. 12 Comment
  UCD34221  Epilobium cleistogamum Beecher Crampton 1978-5-8 9572 Yolo 1/4 mile south of Saxon Station. Comment
  UCD41009  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
  UCD33972  Epilobium cleistogamum Beecher Crampton 1975-6-11 9211 Yolo Junction of County Roads 38 and 106 off the SW corner. Comment
  CAS-BOT-BC57096  Equisetum X ferrissii Clarence R. Quick 1969-6-4 69 -12 Yolo Garden, Merritt Island, near junction of county roads #140 & 142, 3.5 miles south of Clarksburg 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
  UCD40550  Equisetum laevigatum Collector Unknown 1974-4-27 114 Yolo 1/2 mi. northeast of Guinda riverbed in Cache Creek. 121 Comment
  RSA670128  Eragrostis June McCaskill 1976-9-9 s.n. Yolo City of Davis, Front yard of 731 A St. Comment
  HSC102725  Eragrostis barrelieri J. P. Smith 2013-8-23 13774 Yolo Weed in a walnut orchard. 134 Comment
  UCD19295  Eragrostis cilianensis Michael W. Hair 1990-8-12 s.n. Yolo Davis, UC Davis campus, west of State Hwy 113, experimental plot A-12. Comment
  UCD33466  Eragrostis cilianensis Beecher Crampton 1968-9-6 8339 Yolo Yolo County, 3 miles west of Winters on Hwy. 128. Comment
  UCD62941  Eragrostis cilianensis Beecher Crampton 1968-9-6 8339 Yolo 3 miles west of Winters, State Hwy. 128. Comment
  UCD62973  Eragrostis cilianensis Beecher Crampton 1952-9-24 843 Yolo U. C. - Davis. Comment
  UCD62986  Eragrostis cilianensis Beecher Crampton 1957-9-16 4608 Yolo Along County Road 27, 6 miles northwest of Davis. Comment
  SEINET10753955  Eragrostis cilianensis B. Crampton 1953-10-15 Crampton 1985 Yolo City of Davis, University of California Agronomy Plots. Comment
  CAS-BOT-BC213549  Eragrostis curvula Beecher Crampton 1962-8-27 6641 Yolo 4 mi. S of Woodland Jct. county Roads 98 and 25A Comment
  HSC9764  Eragrostis curvula L. S. Rose 1967-6-11 67101 Yolo 2 mi. NW of Woodland Comment
  RSA189470  Eragrostis curvula L. S. Rose 1967-6-11 67101 Yolo 2 mi. nw. of Woodland 6 Comment
  SBBG32316  Eragrostis curvula L. S. Rose 1967-6-11 67101 Yolo 2 mi NW of Woodland Rd 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
  UCD63085  Eragrostis curvula Beecher Crampton 1963-6-11 6852 Yolo Yolo County, 1 mile south of Dunnigan along Hwy. 99W. Comment
  UCD62994  Eragrostis curvula var. curvula Lewis S. Rose 1967-6-11 67101 Yolo 2 mi nw. of Woodland. 6 Comment
  UCD36495  Eragrostis hypnoides Beecher Crampton 1953-10-15 1697 Yolo Yolo County, Capay, along Cache Creek. Comment
  UCD63366  Eragrostis hypnoides Beecher Crampton 1953-10-15 1697 Yolo Yolo County, Capay, along Cache Creek. 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
  UCD63476  Eragrostis mexicana subsp. virescens Morris Halperin 1932-8-11 s.n. Yolo Davis, nr cor G and 3rd Sts. Comment
  UCD33417  Eragrostis minor Beecher Crampton 1967-10-16 8217 Yolo Yolo County, UC Davis agronomy field weed. Comment
  UCD63405  Eragrostis minor Beecher Crampton 1967-10-16 8217 Yolo UC Davis agronomy field. Comment
  UCD63440  Eragrostis minor Collector Unknown 1941-10-1 Yolo near Davis. Comment
  UCD64329  Eragrostis pectinacea Beecher Crampton 1953-10-16 1701 Yolo 4 miles east of city of Davis, along U.S. Highway 40. Comment
  HSC83364  Eragrostis pectinacea var. pectinacea J. M. Tucker 1981-7-22 Yolo U. C. Davis Campus, SE corner of Wellman Hall Comment
  UCD64464  Eragrostis pectinacea var. pectinacea J. M Tucker 1981-7-22 4460 Yolo University of California, Davis, campus, southeast corner of Wellman Hall. Comment
  UCD37754  Eragrostis pilosa Beecher Crampton 1961-10-25 6033 Yolo 1.5 miles southwest of Woodland, along County Road 98. Comment
  UCR119123  Eragrostis tef Beecher Crampton 1960-9-21 5781 Yolo Sacramento Valley, City of Davis. University of California Agronomy plots. 15 Comment
  UCR206547  Ericameria linearifolia George K. Helmkamp, E. A. Helmkamp 2009-3-17 14404 Yolo Inner North Coast Ranges Foothills, along CA-20 and Cache Creek, 4.3 miles southeast of the Colusa County line 159 Comment
  UCD33785  Erigeron Beecher Crampton 1973-4-9 8912 Yolo Yolo County, Woodland, Courthouse N. Comment
  UCD150995  Erigeron bonariensis D. S. Park; S. Nicole 2010-5-11 74 Yolo UCD near Scince Lecture Bld. 10 Comment
  UCD19451  Erigeron sumatrensis J. Shepard 2000-2-19 43 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 north past parking lot to archery range. 12 Comment
  UCD34849  Eriochloa contracta Beecher Crampton 1963-9-18 6895 Yolo N.W. Davis, Anderson road. Comment
  UCD36782  Eriochloa contracta Beecher Crampton 1955-9-6 3148 Yolo 5 miles northwest of city of Davis, along County Road 29. Comment
  UC75287  Eriodictyon californicum C. F. Baker 1903-5-7 2930 Yolo Rumsey Comment
  UCD15559  Eriodictyon californicum E. D. Appenzeller 1995-5-28 s.n. Yolo Off Hwy 128, near Stebbins Cold Canyon. Comment
  UCD35474  Eriodictyon californicum Beecher Crampton 1957-4-23 3944 Yolo Yolo County; Vaca Mountains, Putah Creek Canyon, one mile east of Recreation Beach. Comment
  CDA40323  Eriodictyon californicum T. C. Fuller 1958-4-23 352 -58 Yolo 1 mile north of Rumsey. 0 Comment
  UCD99845  Eriogonum crocatum T. E. Weier 1942-6-26 s.n. Yolo Davis, University Abroretum. Comment
  CAS-BOT-BC242585  Eriogonum dasyanthemum Rowena Beans 1913-10-9 s.n. Yolo Guinda Comment
  SD22310  Eriogonum dasyanthemum Rowena Beans 1913-10-9 Yolo Guinda Comment
  UCD99905  Eriogonum dasyanthemum M. Phillips 1929-10-1 2069 Yolo Putah Canyon. Comment
  RSA97549  Eriogonum dasyanthemum Beecher Crampton 1954-9-9 2266 Yolo Valley plains, 2 miles west of Winters Comment
  UCD99891  Eriogonum dasyanthemum Beecher Crampton 1954-9-9 2266 Yolo 2 miles west of winters. 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
  CAS-BOT-BC261707  Eriogonum nudum var. oblongifolium 1920-10-29 s.n. Yolo Capay Valley Comment
  UC1229890  Eriogonum nudum var. pubiflorum Jerry Powell 1962-8-16 305 Yolo ca. 4 mi w Winters (just s of Putah Creek) Comment
  CAS-BOT-BC268487  Eriogonum wrightii var. wrightii Tim Lowrey 1972-7-30 s.n. Yolo On edge of Cache Creek, 1 mile north of Rumsey Bridge Comment
  UCD20838  Eriophyllum lanatum N. Nicola 2001-5-4 54 Yolo Eastern foothills of inner North coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  JEPS34591  Eriophyllum lanatum var. achilleoides E. V. Ferguson 1920-5-15 339 Yolo Putah Creek Putah Creek (w Yolo Co.) Comment
  RSA695586  Eriophyllum lanatum var. achilleoides Keith E. Hoffmaster 1939-4-26 935 Yolo Putah Canyon. Comment
  UC638702  Eriophyllum lanatum var. achilleoides Ethel Crum 1938-5-7 2000 Yolo n-facing slope above creek (Cache Creek canyon, 4 mi n of Rumsey); Immer North Coast Range <sic>, Cache Creek canyon 152 Comment
  CDA12909  Erodium botrys G. F. Hrusa 1996-4-1 12744 Yolo Central Valley; W side of Tule Canal, 1/2 miles N of Interstate 5 and 4 m. S of Woodland. 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
  UCD58034  Erodium botrys Ellen Dean; K. Mawdsley 2007-4-6 3573 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
  UCD103121  Erodium brachycarpum Beecher Crampton 1960-4-26 5487 Yolo Davis, along the railroad. 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
  UCD103237  Erodium cicutarium M. Wiesendanger 1928-1-1 1407 Yolo Davis. Comment
  UCD82324  Erodium cicutarium Robin McMaster 1973-4-15 312 Yolo 3 mi NW Rumsey on Hwy 16. 152 Comment
  UCD103263  Erodium moschatum P. B. Kennedy 1929-4-23 K- 1391 Yolo UC Campus, Berkeley. Comment
  UCD114816  Eruca vesicaria subsp. sativa J. W. Gilmore 1938-4-7 s.n. Yolo Davis. Comment
  UCD55509  Eryngium J. Shepard; E. Dean, B. Rice, P. and R. Unger, B. Salvia 2004-3-28 655 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 .4 mi. along unpaved entrance road, then .2 mi. south. 12 Comment
  UCD82169  Eryngium aristulatum J. Shepard 2001-3-16 391 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 DOD fence, thence south about .1 mi. 12 Comment
  UCR198242  Eryngium aristulatum Dean Kelch 2007-5-18 07 .320 Yolo Yolo Causeway, 0.4 mi east of Levee Road/RR Crossing 4 Comment
  UCD84313  Eryngium aristulatum var. aristulatum Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCR212322  Eryngium aristulatum var. aristulatum Ayzik Solomeshch 2003-5-30 s.n. Yolo Dept. of Fish and Game Glide Tule Ranch, about 8 miles SE of Davis 6 Comment
  SBBG82133  Eryngium castrense A. C. Sanders 1984-6-18 5063 Yolo Sacramento Bypass near Bryte, just NW of Sacramento, bed of the bypass 1 mi W of the Sacramento River 4 Comment
  UCD54559  Eryngium oblanceolatum J. Shepard 2000-7-9 326 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 almost to east boundary of park, then about 50 ft. south. 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
  UCD81556  Eryngium vaseyi W. W. Robbins; W. D. Norton 1927-10-1 s.n. Yolo West of Davis. Comment
  UCD114990  Erysimum capitatum var. capitatum Beecher Crampton 1958-4-21 4713 Yolo above Cache Creek, 2.7 miles northwest of Rumsey. Along State Highway 16. Comment
  UCD115002  Erysimum capitatum var. capitatum Jack Maze 1963-3-8 9 Yolo 0.75 mile east of Recreation Beach, State Highway 128. 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
  UCD94049  Eschscholzia caespitosa Shannon M. Still 2006-3-23 55 Yolo California. Yolo County: CA-128 approx. 5 mi W of Winters, CA. 54 Comment
  SEINET10825963 Image available Eschscholzia caespitosa Charles F. Baker 1903-5-8 Baker 2995 Yolo Summit of Yolo Mountains. Large tufts occasional among Adenostoma chaparral. Comment
  UCD95346  Eschscholzia californica M. Wiesendanger 1927-4-29 s.n. Yolo Capay. Comment
  UCR235412  Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2012-4-17 18787 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
  UCD15552  Eschscholzia californica Lara Hawthorne 1989-6-3 19 Yolo UC Davis, Experimental Gardens. 15 Comment
  SEINET6942968  Eucalyptus tereticornis Robert A. Evers, Clara V. Evers 1975-8-23 115020 Yolo Rest area along I-5, 0.5 mile (0.8 km) north of Dunniston exit. Comment
  UCD150649  Eucalyptus tereticornis Dave Ross 1974-8-6 s.n. Yolo Yolo Bypass. Comment
  UCD168435  Eucrypta chrysanthemifolia var. chrysanthemifolia Ellen Dean 2017-3-15 9257 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
  UCD142380  Euphorbia crenulata H. B. Nidever 1951-5-26 38 Yolo Cache Creek Canyon, 2 miles N of Rumsey. Comment
  UCD142477  Euphorbia peplus Alice Warrick 1979-5-19 27 Yolo Davis. East side of E St. ca. 100 feet north of 2nd St. 13 Comment
  RSA432512  Euphorbia spathulata Glenn A. Gorelick 1966-4-28 s.n. Yolo Growing in backyard as a weed, 418 1/2 2nd Street, David. Comment
  UC1562578  Euthamia occidentalis Barbara Ertter 1988-10-21 7986 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
  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
  SEINET242022 Image available Festuca mairei Beecher Crampton 1959-5-31 T.O. 2443 Yolo CULTIVATED; UC Davis agronomy experimental area, plant introduction nursery, row G-44 Comment
  UCR118986  Festuca microstachys Beecher Crampton 1954-4-15 1775 Yolo Sacramento Valley, 2 miles west of city of Winters. 46 Comment
  UCR119168  Festuca microstachys Beecher Crampton 1954-4-15 1771 Yolo Sacramento Valley, 2 miles west of city of Winters. 46 Comment
  UCR235398  Festuca myuros var. hirsuta George K. Helmkamp, E. A. Helmkamp 2012-4-17 18772 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
  UCD66386  Festuca rubra D. C. Sumner 1956-5-25 Yolo Agronomy Division Grass Garden, Davis. Comment
  UCD161192  Ficus carica Jean Shepard 2013-6-14 874 Yolo City of Davis. Myrtle Pl. Comment
  CAS-BOT-BC62975  Frangula californica subsp. tomentella E. L. Greene 1903-5-7 3071 Yolo Rumsey. Comment
  UCD58076  Frangula californica subsp. tomentella Ellen Dean; K. Mawdsley 2007-4-6 3615 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
  UCD33823  Frankenia salina Beecher Crampton 1973-6-22 8962 Yolo Yolo County, 3 miles S.E. of Woodland (in direct line), county roads 25 and 103. Comment
  UCD81020  Frankenia salina Ellen Dean; D. Bales, M. Krug, L. Snyder, D. Dhakal, A. Franco 2009-4-1 5361 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
  UCR119147  Frankenia salina Beecher Crampton 1973-6-22 8962 Yolo Sacramento Valley, 3 miles southeast of Woodland (in direct line), county roads 25 and 103. 15 Comment
  UCD161412  Fraxinus Jean Shepard 2013-7-6 879 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. 8 Comment
  UCD48064  Fraxinus dipetala A. Laffin; S. Holck, A. Randall 2002-4-13 17 Yolo Yolo County, McLaughlin Reservoir. 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. 488 Comment
  UCD69744  Fraxinus dipetala Glenn Luft 1989-4-8 15 Yolo Outside of Winters. 134 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
  UCD116326  Fremontodendron californicum Cyd Yonker 1991-5-6 5 Yolo East side of Russell Boulevard and Highway 113, Davis. Comment
  UCD67992  Fremontodendron californicum M. Thibodeau 1995-4-20 12 Yolo University of California, Davis campus, West side of King Hall. Comment
  RSA208863  Fritillaria agrestis Carl B. Wolf 1937-3-28 8324 Yolo 1.5 mile N of Dunnigan. 30 Comment
  UC672100  Fritillaria pluriflora Guy Smith 1932-4-1 Yolo hills w of Winters 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
  JEPS52926  Galium californicum subsp. flaccidum G. L. Stebbins Jr. 1965-10-28 Yolo Davis Comment
Read comments
Jan 17 2007
  UCD160164  Galium murale Aaron Goodman 2015-4-12 5 b Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, near ranch house headquarters . 99 Comment
  UCD41131  Galium porrigens K. Arhangelsky 2002-3-31 143 Yolo Eastern foothills of inner north coast range, Capay Valley. Ranch near Rumsey. Comment
  UCD56715  Galium porrigens Ellen Dean; M. Bibbo 2007-3-23 3408 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
  UCR198146  Galium porrigens Ellen Dean, Mark Bibbo 2007-3-23 3408 Yolo Inner Coast Range, Tuleyome Ireland Ranch, northwest of the city of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain, southwest portion of ranch 649 Comment
  UCD160177  Galium porrigens var. porrigens Leonardo Tuchman 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
  RSA518634  Galium porrigens var. tenue Barbara Ertter, Annetta Carter 1989-5-28 8532 Yolo 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. 732 Comment
  CDA42208  Galium tricornutum Wm. Comfort 1972-5-8 s.n. Yolo County Road 80, Brooks. 0 Comment
  CDA42210  Galium tricornutum C. H. Justus 1965-3-23 s.n. Yolo County Road 42, Guinda. 0 Comment
  UCD56691  Gastridium phleoides Ellen Dean 2006-10-27 3300 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
  UCD22754  Genista lydia Collector unknown 1988-2-11 s.n. Yolo Environmental Horticulture building. Comment
  UCD164656  Geranium bicknellii Henry House 1995-5-27 1995- 27 Yolo Approximately 5.5 km north of the latitude of Winters, about 1.25 km west of Road 89, on the high side of the Winters Canal. Comment
  UCR235429  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2012-4-17 18776 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
  JEPS91370  Geranium molle Dean W. Taylor 1972-3-28 1385 Yolo near power lines at Monticello Dam, Lake Berryessa 304 Comment
  UCD103407  Geranium molle Beecher Crampton 1954-5-6 1829 Yolo Hwy 128, Putah Canyon, 9 miles west of Winters. Comment
  UCD20869  Gilia capitata N. Nicola 2001-8-5 086 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. 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
  SEINET12532295 Image available Gilia scopulorum A. A. Heller 1940-1 15838 Yolo Along U.S. Highway 99 N, and in adjoining fields between Zamora and Dunnigan. Upper Sonoran Life Zone. Comment
  UCD23446  Gilia tricolor 1947-4-10 1897 Yolo One mile northwest of Rumsey, in canyon just off Highway 16. In rocky places along creek. 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
  UCD73664  Gilia tricolor 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
  RSA0054883  Gilia tricolor Keith E. Hoffmaster 1946-3-29 1213 Yolo Putah can. Comment
  UCD33700  Gladiolus Beecher Crampton 1972-4-19 8787 Yolo Yolo County, 2 miles west of Winters. 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
  SEINET242449 Image available Glyceria declinata Beecher Crampton 1954-4-15 T.O. 2243 Yolo CULTIVATED; UC Davis agronomy experimental area, plant introduction nursery Comment
  UCD105810  Glycyrrhiza lepidota Chas. Heiser 1947-6-10 1933 Yolo Railroad right-of-way, north of Davis. Comment
  SEINET952159  Glycyrrhiza lepidota var. glutinosa M. F. Wojciechowski 1997-1 714 Yolo Roadside along Frontage Rd. about 4 mi E of Davis, Just north of Interstate-80 15 Comment
  UCD38839  Gnaphalium palustre Beecher Crampton 1958-6-27 4991 Yolo along county road 99 about three miles northwest of Davis. 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
  UCD131657  Grindelia camporum Beecher Crampton 1956-7-13 3708 Yolo Yolo bypass. Comment
  UCD41052  Grindelia camporum var. camporum Carol W. Witham 2003-8-8 983 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-BC314679  Grindelia hirsutula A. A. Heller; H. E. Brown 1902-5-21 5578 Yolo Near Madison Comment
  JEPS41916  Grindelia hirsutula W. L. Jepson 1927-6-19 12252 Yolo Dunnigan Comment
  JEPS84579  Grindelia hirsutula John W. Willoughby 1979-8-13 4401 Yolo fishing access along State Highway 128 about 2.9 mi nw of junction Highway and Pleasants Valley Road; Vaca Mountains, Putah Creek 60 Comment
  POM58284  Grindelia hirsutula var. davyi A. A. Heller, H. E. Brown 1902-5-21 5578 Yolo Near Madison Comment
  UCD55499  Guillenia lasiophylla J. Shepard 2000-3-24 91 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 of residence west of archery targets. 12 Comment
  RSA96670  Gutierrezia californica Percy C. Everett, E. K. Balls 1954-10-19 20366 Yolo Cache Creek, 5.8 miles NW of Rumsey on Highway 16 to Madison 152 Comment
  UCD23211  Hainardia cylindrica A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. 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
  CAS-BOT-BC305490  Helianthus annuus T. C. Fuller 1965-7-23 13851 Yolo At base of n. levee for 0.1 mi. in Sacramento Bypass, 0.1 mi. w. of weir, 1 mi. n.w. of Bryte Comment
  UCD132792  Helianthus annuus B. Crampton 1957-10-30 s.n. Yolo Agronomy Experimental Areas, Davis Campus. Comment
  JEPS34861  Helianthus bolanderi W. L. Jepson 1929-10-1 15346 Yolo Zamora 25 Comment
  UCD119440  Heliotropium curassavicum var. oculatum J. D. Skoss 1948-6-6 24 Yolo Putah Canyon, 2 miles below Yolo-Napa county line. Comment
  HSC62901  Heliotropium curassavicum var. oculatum J. M. DiTomaso 1979-5-14 1011 Yolo Cache Creek Regional Park, 9.8 mi. N of Guinda on Hwy. 16 213 Comment
  UCR71487  Heliotropium europaeum Barbara Ertter 1988-10-21 7983 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
  UCD119464  Heliotropium europaeum W. R. Russell 1965-5-19 s.n. Yolo In garden at Russell residence, Sharon Avenue, Binning subdivision, ca. 2 miles north of Davis. Comment
  UCD132027  Helminthotheca echioides Beecher Crampton 1957-10-25 4637 Yolo West Sacramento, along the US Hwy. 40 freeway. Comment
  UCD21308  Hemizonia congesta subsp. luzulifolia J. Shepard 2000-5-18 250 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. Field on south side. 12 Comment
  UCD21330  Hemizonia congesta subsp. luzulifolia J. Shepard 2000-6-9 302 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 Air Force facility boundary and thence south in field. 12 Comment
  UCD56696  Hemizonia congesta subsp. luzulifolia Ellen Dean 2006-10-27 3305 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
  UCD35451  Hemizonia congesta subsp. luzulifolia Beecher Crampton 1956-9-28 3874 Yolo 4 miles west of Davis. Comment
  UCD73732  Hemizonia fitchii Ayzik Solomeshch 2004-5-23 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 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
  POM360359  Hemizonia parryi Robert Gustafson 1985-6-15 3182 Yolo Jct of Road 25 and 103, SE of Woodland (private wildlife sanctuary) Comment
  UCR262437  Hemizonia parryi subsp. parryi George K. Helmkamp, E. A. Helmkamp 2011-12-7 18499 Yolo Southern Sacramento Valley, midway between Davis and Sacramento along Hwy 80, between Chiles Road (County Road 32B) and Levee Road, west edge of Yolo Bypass Wildlife Area 11 Comment
  UCR36569  Hemizonia pungens A. C. Sanders 1984-6-18 5051 Yolo Sacramento Valley, Sacramento Bypass near Bryte, just NW of Sacramento, bed of the bypass 1 mi west of the Sacramento River 5 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
  RSA695595  Hemizonia pungens subsp. pungens Keith E. Hoffmaster 1946-4-19 1051 Yolo [Unspecified] Comment
  JEPS29502  Hesperevax acaulis var. robustior R. F. Hoover 1938-4-23 3188 Yolo grade on Rumsey-Arbuckle Road Comment
  SEINET8119139 Image available Hesperocyparis arizonica J. M. Tucker 1951-1 2020 Yolo just south of Library and Administration Building, University of California, Davis Comment
  UCD20516  Hesperolinon disjunctum E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1088 Yolo McLaughlin UC Reserve. W of Reed mine along Rayhouse Rd. 1.8 road mines W of intersection with Soda Springs Rd. 731 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
  UCD113318  Heteromeles arbutifolia G. K. Helmkamp; E. A. Helmkamp 2007-9-17 12974 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
  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
  UCD15546  Heteromeles arbutifolia Lara Hawthorne 1989-6-3 13 Yolo Hwy 128 near Stebbins Reserve. Comment
  CAS-BOT-BC311036  Heterotheca oregona var. compacta Beecher Crampton 1986-9-10 10075 Yolo 2 miles north of Esparto, Cache Creek Comment
  UCD34629  Heterotheca oregona var. compacta Beecher Crampton 1986-9-10 10075 Yolo 2 miles north of Esparto, Cache Creek. 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
  UCR119026  Heterotheca oregona var. oregona Beecher Crampton 1954-9-9 2267 Yolo Sacramento Valley, 2 miles west of Winters 46 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
  UCD115102  Hirschfeldia incana K. Esau 1934-5-8 s.n. Yolo Putah Canyon. 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
  UCD82145  Hirschfeldia incana Jean Shepard 2000-5-20 261 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 the south side. Between entrance road and easternmost parking lot, growing in a 4-foot mound of topsoil used as an archery backstop. 12 Comment
  UCD106237  Hoita macrostachya Jean Shepard 2011-8-20 854 Yolo NE of Woodland, from intersection of County Roads 102 and 16, E on Rd. 16 to T. Right on Rd. 16A around Gray's Bend about 2 mi to private dirt road on left. Site is just E of Sutter County line. Comment
  UCD84983  Holcus lanatus Collector Unknown 1955-2-10 s.n. Yolo Davis. Lawn of T.J. Kelly, 824 Campus Way. Comment
  CAS-BOT-BC320311  Holocarpha virgata Roxana Stinchfield 1916-6-26 347 Yolo D'Oyly Sheep ranch Comment
  UCD164516  Holocarpha virgata Craig D. Thomsen 2006-8-16 2703 Yolo Camp Haswell County Park. 304 Comment
  SEINET5728876 Image available Homalocladium platycladum Bijan Dehgan 1972-1 s.n. Yolo University of California; Davis Comment
  UCD142978  Hordeum brachyantherum Ellen Dean; C. Robbins 2013-8-28 7996 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
  UCD36159  Hordeum brachyantherum Beecher Crampton 1953-3-16 1008 Yolo City of Madison. 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
  HSC10214  Hordeum brachyantherum subsp. brachyantherum J. V. Lenz 1947-4-16 Yolo 3 mi N of Davis Comment
  UCD85288  Hordeum brachyantherum subsp. brachyantherum Beecher Crampton 1953-4-11 1072 Yolo ca. 6 miles southeast of city of Woodland, near ditch supplying rice field. Comment
  UCD85575  Hordeum brachyantherum subsp. californicum Collector Unknown 1925-5-11 2082 Yolo Davis. Comment
  CAS-BOT-BC285014  Hordeum depressum Peter H. Raven 1955-4-17 8279 Yolo Davis Comment
  UCD21418  Hordeum depressum J. Shepard 2002-4-21 509 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 Department of Defense fence. South to first large vernal pool - just north of pool. 12 Comment
  UCD35375  Hordeum depressum Beecher Crampton 1956-4-9 3241 Yolo Winters. Comment
  UCD36515  Hordeum depressum Beecher Crampton 1954-4-1 1749 Yolo 2 miles north of city of Davis. Comment
  UCD37536  Hordeum depressum Beecher Crampton 1955-3-21 2332 Yolo 2.5 miles northeast of city of Davis, along Road 102. Comment
  UCD85600  Hordeum depressum Beecher Crampton 1954-3-23 1748 Yolo 1.5 miles north of Davis. Comment
  UCD85603  Hordeum depressum Beecher Crampton 1955-4-14 2497 Yolo 1 mile south of Dunnigan. Comment
  UCD85610  Hordeum depressum Beecher Crampton 1962-5-1 6358 Yolo Saxon Station, northern R.R. 7 miles southeast of Davis (in direct line.) Comment
  UCD85633  Hordeum depressum R. Tofsrud 1949-4-1 s.n. Yolo Davis Railroad Tower. Comment
  CAS-BOT-BC285085  Hordeum marinum subsp. gussoneanum A. A. Heller 1902-4-30 5422 Yolo Black's Comment
  CDA2197  Hordeum marinum subsp. gussoneanum T. C. Fuller 1958-5-2 3959 Yolo Niessen property, 2 miles southwest of Esparto. 0 Comment
  UCD147293  Hordeum marinum subsp. gussoneanum Carol W. Witham 2003-4-7 904 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD21400  Hordeum marinum subsp. gussoneanum J. Shepard 2001-5-6 444 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 0.1 miles along unpaved entrance road, on the north side. Growing in the Soaring Society field. 12 Comment
  UCD85905  Hordeum marinum subsp. gussoneanum M. Wiesendanger 1927-4-29 586 Yolo Davis. Comment
  UCD86224  Hordeum murinum Morris Halperin 1931-3-7 s.n. Yolo Davis. Near Agronomy Bldg. Comment
  SEINET9335722  Hordeum murinum Unknown 1962-4-2 6098 Yolo Winters Comment
  UC1151612  Hordeum murinum subsp. glaucum Beecher Crampton 1962-3-30 6095 Yolo Davis Comment
  UCD37788  Hordeum murinum subsp. glaucum Beecher Crampton 1962-3-30 6096 Yolo Davis. Comment
  UCR151575  Hordeum murinum subsp. glaucum Beecher Crampton 1962-3-30 6096 Yolo Sacramento Valley, City of Davis 15 Comment
  CAS-BOT-BC284913  Hordeum murinum subsp. leporinum W. D. Hamilton 1946-4-1 s.n. Yolo Davis Comment
  SEINET3828566  Hordeum murinum subsp. leporinum George K. Helmkamp, E. A. Helmkamp 2012-1 18785 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
  UCD36326  Hordeum murinum subsp. leporinum Beecher Crampton 1953-5-26 1343 Yolo Davis. Vacant lot. Comment
  UCD41012  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
  UCD85914  Hordeum murinum subsp. leporinum A. A. Beetle 1944-5-17 1991 Yolo 3 miles W of Sacramento. Comment
  UCD86137  Hordeum murinum subsp. leporinum Beecher Crampton 1953-5-26 1344 Yolo Davis. Vacant lot. Comment
  UCD86140  Hordeum murinum subsp. leporinum Beecher Crampton 1956-3-30 3237 Yolo Davis. Comment
  UCD86466  Hordeum murinum subsp. leporinum P. Stern 1988-4-30 6 Yolo Davis. In waste places, fields, and roadsides. Comment
  UCD80904  Hordeum murinum subsp. murinum Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5308 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
  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
  UCD36839  Hordeum vulgare Beecher Crampton 1955-12-13 3213 Yolo 1/4 mile S of Davis. Along U.S. Hwy. 40, junction of Davis Road. Edge of a Milo field. Comment
  UCD86532  Hordeum vulgare J. Hardison 1989-5-11 132 Yolo Davis. Between Russell Blvd. and bike path. Comment
  CDA21265  Hypericum mutilum G. F. Hrusa, C. & E. Dogwin 2007-10-24 17082 Yolo Sacramento Delta; Yolo Co. Boat Launch, W side of Sacramento River, approx. 1 mi. N of Hood (Sacramento Co.). 7 Comment
  UCD133389  Hypochaeris glabra M. Wiesendanger 1927-5-4 660 Yolo Putah Canyon. Comment
  UCD20833  Hypochaeris glabra N. Nicola 2001-4-4 49 Yolo Eastern foothills of inner North coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  UCD58028  Hypochaeris glabra Ellen Dean; K. Mawdsley 2007-4-6 3567 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
  CAS-BOT-BC508355  Ipheion June McCaskill; W. A. Harvey; Katherine Onaga 1965-3-31 696 Yolo 316 C Street, Davis Comment
  UCD126557  Ipomoea hederifolia W. W. Mackie 1924-9-6 s.n. Yolo University Farm, Davis. Comment
  UCD67999  Iris macrosiphon S. M. Smukler 1995-5-5 7 Yolo Quail Ridge Preserve, 1/4 mile from the University Cabin. In a riparian plant association, next to trail in canyon, in a moist area. Erect herbaceous perennial. 100 Comment
  SBBG115832  Iva axillaris B. Crampton 1959-5-11 5206 Yolo ca. 7 mi W of Winters, Vaca Mts, margin of floodplain of Putah Crk Comment
  UCD38282  Iva axillaris B. Crampton 1952-10-18 865 Yolo Along railroad, 1 mile east of Davis. Comment
  UCD22755  Jasminum mesnyi Collector unknown 1988-2-8 s.n. Yolo Collected at Mrak quad fence. Comment
  UCD22766  Jasminum mesnyi Collector unknown 1988-2-8 s.n. Yolo Collected at Mrak quad. Comment
  SEINET10911495  Juglans Stephanie Frischie 2000-10-14 Frischie 150 Yolo Davis Farmers' Market, Davis, CA. Comment
  UCD163602  Juglans Ellen Dean 2016-4-12 8836 Yolo city of Davis. Along Russell Blvd. between Arthur and Arlington, south side of the street. 15 Comment
  SBBG50628  Juglans hindsii V. Rakvidhyasastra 1969-5-3 26 Yolo Putah Crk area, 3 mi from Hutchison Drive 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
  UCD110270  Juglans hindsii Lynn. M. Holstein 1979-5-18 3 Yolo Corner of 5th and Pole line Rd. Comment
  UCD142933  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
  CHSC93641  Juglans microcarpa Paul Kirk 2001-10-26 15 Yolo Wolfskill Orchard at the USDA-ARS National Clonal Germplasm Repository in Winters, Ca. Clone accession # DJUG 53.3 A located in orchard at block B 11 25. 35 Comment
Read comments
Jun 12 2008
  UCD141407  Juncus bufonius M. Wiesendanger 1927-4-29 602 Yolo Davis. Comment
  UCD147180  Juncus bufonius Carol W. Witham 2003-4-9 910 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 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
  UCD34978  Juncus bufonius Beecher Crampton 1996-4-22 10336 Yolo 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. 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
  UCD59374  Juncus patens Ellen Dean; Kate Mawdsley 2007-6-8 3849 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. Immediately north of berm. 627 Comment
  UCD97115  Juncus patens Ellen Dean; C. Loughran, A. Fuller 2011-5-8 7015 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
  UCD21055  Juncus uncialis Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-4-5 235 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
  UCD73097  Juncus xiphioides Ellen Dean; Susan Xhang, Christa Lindsey, Chris Mosser 2008-5-3 4890 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Along small tributary that feeds Bray Creek, west side of Bray Canyon. 100 Comment
  UCD70203  Keckiella breviflora var. glabrisepala D. Sanchez-Mata 1998-6-24 s.n. Yolo Rumsey. Cache Creek Ridge. Cache Creek Canyon Regional Park. Shrubland plant communities on basaltic rocky slopes and talus. 170 Comment
  JEPS24501  Kickxia elatine J. H. Thomas 1960-8-30 8870 Yolo about 5 mi s Winters (along highway to Vacaville) Comment
  UC1585953  Kickxia elatine Barbara Ertter 1988-10-21 7984 Yolo 1.5 mi n Madison (Cache Creek at Road 89 crossing, just w of I-505, e of gravel pits, ca 10 air mi w of Woodland); Sacramento Valley, Cache Creek 36 Comment
  UC917165  Kickxia elatine H. R. Drever 1945-8-18 Yolo University of California campus Davis Comment
  OBI72039  Kickxia elatine Barbara Ertter 1988-10-21 7984 Yolo Cache Crk 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
  UCD123845  Kickxia elatine Collector Unknown 1924-8-2 s.n. Yolo Muir Farm, Davis. Comment
  UCD123887  Kickxia elatine R. N. Raynor 1939-12-1 s.n. Yolo University Farm, Davis. Comment
  UCD81845  Kickxia spuria Ellen Dean; M. Showers, G. Harrington 2009-6-3 5764 Yolo Woodland Regional Park. City of Woodland property on the E side of County Road 102, just S of County Road 25. Old rodeo area with buildings now removed. 9 Comment
  RSA0054931  Kickxia spuria Keith E. Hoffmaster 1939-4-26 931 Yolo Putah can. Comment
  RSA141300  Kochia scoparia June McCaskill, Katherine Onaga 1960-9-29 609 Yolo Behind Boy Scout Cabin at 1st Street and Richards Blvd., Davis. Comment
  SEINET5727867 Image available Kochia scoparia Bryant Washburn 1981-1 s.n. Yolo Interstate Highway 80, just west of Yolo Bypass, ca. 7 miles east of Davis.; Davis Comment
  UCD59331  Koeleria macrantha Ellen Dean; Kate Mawdsley 2007-5-11 3755 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. 589 Comment
  UCD21338  Lactuca saligna J. Shepard 2000-7-29 332 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, then north thorugh parking lot and past shed, to a low mowed area. 12 Comment
  UCD132425  Lactuca serriola Beecher Crampton 1957-10-25 4640 Yolo West Sacramento, along the US Hwy. 40 freeway. Comment
  UCD149337  Lactuca serriola Collector Unknown 1938-6-30 s.n. Yolo City of Woodland. 25 Comment
  CDA16256  Lactuca serriola G. F. Hrusa 1997-10-13 14124 Yolo Sacramento Valley; Riparian zone of Sacramento R. immediately S of I-5 ~ 5 mi E of Woodland (near tule canal). 0 Comment
  UCD133536  Lactuca serriola Beecher Crampton 1961-8-1 s.n. Yolo UC Davis campus. Comment
  UCD18425  Lactuca serriola Gabor Bethlenfalvay 1973-4-23 9 Yolo city of Davis, Russell Blvd. and La Rue Rd. 15 Comment
  UCD35198  Lactuca serriola Beecher Crampton 1953-9-30 1629 Yolo 3 miles northeast of Davis. Comment
  RSA409533  Lamium amplexicaule Glenn A. Gorelick 1966-3-22 s.n. Yolo Behind Hoagland Hall, UCD [Univ. of California Davis] campus. Comment
  SEINET7949739  Lamium amplexicaule Schank 1959-3-28 s.n. Yolo 4 miles W of Winters along an old road which branched off Hwy 128 and led into some slight foothills. 305 Comment
  UCD124754  Lamium amplexicaule Beecher Crampton 1955-3-7 2317 Yolo city of Davis, University of California Agronomy Plots. Comment
  UCD138086  Landoltia punctata Rosalie B. Lopopolo 1967-4-15 19 Yolo on Putah Creek. Around 50 yards from Putah Recreation Lodge bridge. University of California campus, Davis. 15 Comment
  RSA695578  Lasthenia Keith E. Hoffmaster 1940-4-28 953 Yolo Davis, 2 mi. north. Comment
  RSA10424  Lasthenia fremontii C. B. Wolf 1928-5-8 2144 Yolo Sacramento Valley; 12 miles north of Dixon. Comment
  SBBG115699  Lasthenia fremontii B. Crampton 1996-4-22 10332 Yolo 3.5 mi SE of Woodland, along Mavis Henson (Field) Rd, just E of jct with county Rd 102 and just S of Rd 25 Comment
  UC657693  Lasthenia fremontii M. Wiesendanger 1927-4-29 590 Yolo Grain Field Davis 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
  UCD21427  Lasthenia fremontii J. Shepard 2002-4-18 523 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
  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
  UCD35752  Lasthenia glabrata Beecher Crampton 1953-3-16 1004 Yolo 1.5 miles north of Davis. Comment
  CAS-BOT-BC328110  Lasthenia glabrata subsp. coulteri Roxana S. Ferris 1917-4-20 697 Yolo Tule land near Dunnigan Comment
  CAS-BOT-BC352792  Lasthenia glabrata subsp. glabrata David D. Keck 1946-4-27 5535 Yolo West end of Yolo Causeway, between Sacramento and Davis 6 Comment
  JEPS35384  Lasthenia glabrata subsp. glabrata W. L. Jepson 1940-5-17 19927 Yolo 7 mi e Davis Comment
  JEPS4794  Lasthenia glabrata subsp. glabrata H. F. Copeland 1943-4-24 1654 Yolo e of Davis Comment
  UC1191982  Lasthenia glabrata subsp. glabrata Malcolm A. Nobs and S. Galen Smith 1951-4-2 1915 Yolo along Highway #40 (between Yolo Causeway and Davis) Comment
  UCD144292  Lasthenia glabrata subsp. glabrata Carol W. Witham 2003-4-7 878 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 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
  CAS-BOT-BC352794  Lasthenia glabrata subsp. glabrata A. A. Heller 1920-4-25 13381 Yolo Along the Yolo causeway Comment
  POM55147  Lasthenia platycarpha A. A. Heller, H. E. Brown 1902-4-30 s.n. Yolo Near Black's. Comment
  UC1363818  Lasthenia platycarpha Robert Ornduff 1958-4-19 4900 Yolo 3 mi n Davis (on road to Woodland (Alternate Hwy 40)) 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
  UCD133879  Lasthenia platycarpha K. Esau 1937-5-18 s.n. Yolo highway between Davis and 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
  UCD37391  Lathyrus jepsonii var. californicus Beecher Crampton 1960-5-9 5510 Yolo Yolo County, 1 mile north of Saxon Station. Comment
  UCD38967  Lathyrus jepsonii var. californicus Beecher Crampton 1961-5-8 5863 Yolo Davis, north city limits along County Road 31. Comment
  UCD96941  Lathyrus vestitus var. vestitus Ellen Dean; C. Loughran, A. Fuller 2011-5-8 7005 Yolo Yolo County. Audubon Bobcat Ranch. Lands to the north of Hwy 128, just E of Monticello Dam. Bray Canyon. About three quarters of the way up the canyon. Comment
  CHSC79240  Lavandula dentata Richard E. Tanner 1955-3-6 4 Yolo South side, Student Health Center, California Ave., U. C. campus, Davis. Comment
  RSA10425  Layia chrysanthemoides C. B. Wolf 1928-5-8 2143 Yolo Sacramento Valley; 12 miles north of Dixon. Comment
  UC657690  Layia chrysanthemoides M. Wiesendanger 1927-4-29 589 Yolo Davis 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
  UCD84347  Layia chrysanthemoides Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  RSA695574  Layia chrysanthemoides Keith E. Hoffmaster 1946-4-19 1052 Yolo 3-4 miles N of Davis. Comment
  CAS-BOT-BC321737  Layia fremontii A. A. Heller; H. E. Brown 1902-4-29 5413 Yolo Near Madison Comment
  UCD81430  Layia platyglossa M. Wiesendanger 1927-4-29 s.n. Yolo 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
  SACT001390  Leersia oryzoides Brian Brown 1975-10-10 Yolo Moist habitat Comment
  UCD63512  Leersia oryzoides Beecher Crampton 1953-9-30 1634 Yolo 1/2 mile northwest of Knights Landing. Comment
  UCD63597  Leersia oryzoides Collector Unknown 1941-10-1 3 Yolo along old canal of Putah Cr., bordering Davis Farm. 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
  UCD115210  Lepidium acutidens K. Esau 1941-4-20 s.n. Yolo North of Davis. Comment
  UCD115267  Lepidium appelianum A. S. Crafts 1937-9-4 s.n. Yolo Davis. Comment
  UCD115272  Lepidium appelianum A. S. Crafts 1937-9-4 s.n. Yolo Davis. Comment
  UCD115274  Lepidium appelianum A. S. Crafts 1935-9-15 s.n. Yolo Woodland. Comment
  CAS-BOT-BC88881  Lepidium chalepense Bess Cowley 1932-7-1 s.n. Yolo West Sacramento. Comment
  CHSC96782  Lepidium coronopus G. D. Barbe 1987-4-14 4267 Yolo Field access road, Yolo By-pass north of I-80, 5 miles east of Davis, Yolo County. S3 T8N R3E MD. Comment
  UCD81028  Lepidium dictyotum Ellen Dean 2009-4-1 5371 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
  JEPS81233  Lepidium dictyotum var. acutidens L. R. Heckard, and J. C. Hickman 1982-4-7 5829 Yolo about 3 mi se Woodland (at corner of road 25A and Road 103) Comment
  CAS-BOT-BC89071  Lepidium didymum Clarence R. Quick 1968-8-25 68 -13 Yolo Merritt Island, near junction of county roads #140 and 142, 3.5 miles south of Clarksburg. Comment
  UCD21299  Lepidium didymum J. Shepard 2000-5-10 239 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 east boundary of park, near ruts in road. 12 Comment
  UCD115343  Lepidium didymum G. K. Swingle 1943-5-4 s.n. Yolo Ranch. Comment
  CAS-BOT-BC89248  Lepidium draba M. P. Bellue 1932-8-10 s.n. Yolo Tiger Inn, West Sacramento. Comment
  UCD115371  Lepidium draba Dr. A. S. Crafts 1935-9-13 s.n. Yolo Woodland. Comment
  UCD115373  Lepidium draba Dr. A. S. Crafts 1936-3-10 s.n. Yolo Woodland. Comment
  SD257227  Lepidium latifolium George K. Helmkamp, Mary Alice Barnes 2013-5-8 20527 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
  UCR257087  Lepidium latifolium George K. Helmkamp, Mary Alice Barnes 2013-5-8 20527 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
  UCR36579  Lepidium latifolium A. C. Sanders 1984-6-18 5059 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-BC89746  Lepidium latifolium M. K. Bellue 1946-10-1 s.n. Yolo Lisbon District. Grain field bordering railroad. Comment
  UCD115711  Lepidium latifolium R. N. Raynor 1939-6-20 s.n. Yolo 1 mile north of Clarksburg, Lisbon Tract. Comment
  CAS-BOT-BC89805  Lepidium latipes Doris K. Kildale 1928-5-8 5039 Yolo 12 miles north of Dixon. Comment
  CAS-BOT-BC89807  Lepidium latipes A. A. Heller; H. E. Brown 1902-4-30 s.n. Yolo Near Black's. 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
  RSA696169  Lepidium latipes Keith E. Hoffmaster 1940-4-28 955 Yolo 2 miles north of Davis Comment
  SD131819  Lepidium latipes L. R. Heckard, J. C. Hickman 1982-4-7 5828 Yolo At corner of road 25A and road 103, ca. 3.0 miles southeast of Woodland. Comment
  UCD144463  Lepidium latipes Carol W. Witham 2003-4-7 895 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD21040  Lepidium latipes Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-4-4 226 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, UTMs: 10S0615920; 4255225. 2 Comment
  UCD21266  Lepidium latipes J. Shepard 2000-4-30 156 Yolo 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
  UCD63230  Lepidium latipes Ellen Dean; K. Mawdsley 2008-4-16 4805 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
  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
  UCD73032  Lepidium latipes Ellen Dean; Erika Smith and Casey Woodall 2008-5-12 4913 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
  UCD80827  Lepidium latipes Ellen Dean 2009-3-22 5285 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
  UCD80971  Lepidium latipes Ellen Dean; R. Rawson, J. Herford, A. Weidling, H. McGinnis 2009-4-1 5354 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
  UCD84330  Lepidium latipes Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  CAS-BOT-BC89847  Lepidium nitidum A. A. Beetle 1945-1-20 3076 Yolo West of Winters in Putah Canyon. Comment
  UCD115780  Lepidium nitidum Shirley L. Cotter 1952-3-2 s.n. Yolo Putah Canyon. Comment
  UCD115798  Lepidium nitidum P. B. Kennedy 1916-3-1 s.n. Yolo Davis Farm -- Davis. Comment
  UCD115825  Lepidium nitidum J. M. Tucker 1951-2-22 2029 Yolo ca. 1 mile north of Davis. Comment
  UCR219524  Lepidium nitidum var. nitidum Jean V. Shepard 2004-3-7 629 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 to Dept. of Defense fence, and 50 yards south 12 Comment
  CDA34526  Lepidium nitidum var. oreganum R. A. Price 2010-4-9 1612 Yolo Woodland; south-east corner of city. Just east of County Road 102 and south of County Road 25 (old Woodland Areomodelers s site). 0 Comment
  UCD115755  Lepidium oblongum Beecher Crampton 1977-5-31 9498 Yolo Davis, at the Davis Senior High School. Comment
  UCD34467  Lepidium oxycarpum Beecher Crampton 1985-4-10 9911 Yolo Yolo County, 3.5 miles S.E. of Woodland. Comment
  SEINET11279585  Lepidium oxycarpum B. Crampton 1985-4-10 9911 Yolo 3 miles SE of Woodland. Comment
  UCD169971  Lepidium pinnatifidum Breckenridge 2001-4-17 PDR 994075 Yolo Along I-5 from Dunnigan to Woodland. Comment
  UCD72512  Lepidium pinnatifidum Joe DiTomaso 2008-4-25 s. n. Yolo Woodland, Spring Lake Housing development. Comment
  UCD132724  Lepidium sativum A. M. Shapiro 2010-12-21 s.n. Yolo West Sacramento. Drainage ditch west of Harbor Blvd. This ditch runs from the east levee of the Yolo Bypass to Harbor Blvd. and beyond, to the north of and approx. parallel to West Capitol Avenue. Plant collected in the ditch ca. 0.3 mi E of the freeway overpass over the RR tracks. 7 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
  CAS-BOT-BC12896  Lepidium strictum Clarence R. Quick 1971-4-29 71 -38 Yolo Pylman-Quick garden, Merritt Island. Near Clarksburg. Comment
  UCD21237  Lepidium strictum J. Shepard 2000-4-9 119 b 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
  UCR119162  Leptochloa fascicularis Beecher Crampton 1952-10-31 899 Yolo Sacramento Valley, 10 miles east of city of Davis. Yolo Causeway, at railroad right of way. 15 Comment
  SACT001397  Leptochloa fascicularis John Willoughby 1976-7-29 Yolo Along road. Comment
  RSA212163  Leptochloa fusca subsp. fascicularis L. S. Rose 1969-6-23 69041 Yolo 2 miles SW. of Knights Landing 15 Comment
  UCD36109  Leptochloa fusca subsp. fascicularis Beecher Crampton 1952-10-31 899 Yolo Yolo County, 10 miles east of city of Davis, Yolo Causeway, at railroad right of way. Comment
  UCD63654  Leptochloa fusca subsp. fascicularis Beecher Crampton 1955-8-23 3138 Yolo Yolo County, 3 miles north of city of Davis. 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
  UC963940  Leptosiphon latisectus R. F. Hoover 1938-3-12 2843 Yolo near Rumsey (Cache Creek canyon); Cache Creek Canyon Comment
  HSC17106  Leptosiphon liniflorus C. B. Wolf 1928-5-8 2137 Yolo 12 mi. N of Dixon on the Pacific Hwy. Comment
  SBBG115669  Leptosiphon liniflorus B. Crampton 1957-4-23 3945 Yolo 3 mi NE of city of Davis Comment
  UC87987  Lessingia hololeuca Blankinship 1892-9-25 Yolo Woodland Comment
  UCD38802  Leucanthemum vulgare Beecher Crampton 1958-5-27 4834 Yolo UC Davis campus. Hunt Hall. Comment
  UCD21344  Leymus condensatus J. Shepard 2000-10-8 344 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.7 mi. south on Mace Blvd. (County Road 104), thence east approximately 100 yards to row of Quercus lobata seedlings/saplings. 12 Comment
  UCD65591  Leymus triticoides R. Tofsrud 1942-11-1 70 Yolo Davis. 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
  UCD35026  Limnanthes alba Beecher Crampton 1995-4-26 10287 Yolo Yolo County, Davis, raised from seed collected in Sacramento County, 3 miles S.E. of Florin, Boswell dr. and Vintage Parks, seed collected May 1994. Comment
  UC880333  Linanthus ciliatus Lewis S. Rose 1936-4-27 36171 Yolo 3 mi nw Rumsey 152 Comment
  CDA19200  Linaria dalmatica R. Breckenridge, Kratville 2001-5-3 PDR 1204577 Yolo Sacramento Valley; S-bound Interstate Hwy 5, Woodland. 0 Comment
  SEINET8190534 Image available Liriodendron tulipifera John Buckhouse 1965-5-23 43 Yolo Lawn area south of Dining Commons, University of California campus, Davis Comment
  UCD58061  Lithophragma affine Ellen Dean; K. Mawdsley 2007-4-6 3601 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. 555 Comment
  UCD115921  Lobularia maritima M. Wiesendanger 1927-7-1 768 Yolo Campus. Comment
  UCD65611  Lolium A. A. Beetle 1942-6-1 3729 Yolo Davis. 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
  UCD36090  Lolium multiflorum Beecher Crampton 1952-10-11 858 Yolo Yolo County, 1 mile north of Davis, roadside. Comment
  UCD66016  Lolium multiflorum H. R. Drever 1945-6-23 Yolo Near Agronomy Building; University of California campus, Davis. Comment
  UCD66067  Lolium multiflorum Beecher Crampton 1957-11-5 4646 Yolo East of West Davis Elementary School, Davis. Comment
  UCD66298  Lolium multiflorum R. Tofsrud 1942-5-1 166 Yolo Davis. Putah Creek. Comment
  UCD15541  Lolium perenne Lara Hawthorne 1989-6-3 15 Yolo Covell Rd, 6 miles east of Winters. 15 Comment
  UCD20613  Lolium perenne E. Dean; with M. Bibbo 2002-7-5 1160 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
  SACT001463  Lolium perenne 1925-6-3 Yolo No collector/determiner listed Comment
  CHSC83144  Lolium temulentum 1955-3-31 Yolo UC Davis campus; greenhouse grown from seed submitted from Mexicali. Comment
  UCD66626  Lolium temulentum Beecher Crampton 1965-4-27 7301 Yolo 3 miles northwest of Dunnigan, along County Road 2. Comment
  UC630441  Lomatium californicum Annetta Carter 1938-5-7 1360 Yolo 3.6 mi. n. Rumsey (Cache Creek canyon); Inner North Coast Range, Cache Creek canyon 152 Comment
  UCD47847  Lomatium californicum M. K. Voigt; E. Sweeney and M. Miller 2002-4-13 17 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. Ca. 1600 ft. Comment
  UCD58048  Lomatium californicum Ellen Dean; K. Mawdsley 2007-4-6 3588 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
  RSA0051241  Lomatium californicum Keith E. Hoffmaster 1946-4-13 1184 Yolo Putah can. Comment
  CDA38379  Lomatium dasycarpum subsp. tomentosum T. C. Fuller 1958-4-23 353 -58 Yolo 1 mile north of Rumsey. 0 Comment
  SFV8552  Lomatium macrocarpum E. F. Beukman 1964-4-19 11 Yolo North Coast Ranges Cache Creek Canyon. State Highway 16, 2.5 miles north of Rumsey. 150 Comment
  UCD72443  Lomatium macrocarpum Ellen Dean 2008-4-25 4866 Yolo Tuleyome Ireland Ranch, central part of ranch, top of hill. 644 Comment
  UC1441357  Lomatium utriculatum Joseph M. DiTomaso 1979-5-12 987 Yolo 3.9 mi. e. of Yolo-Colusa Co. line on rd. 128 below Lake Berryessa 76 Comment
  UCD160093  Lomatium utriculatum Lauren Bradt 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
  UCD56743  Lomatium utriculatum Ellen Dean; M. Bibbo 2007-3-23 3435 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
  CDA43465  Lonicera japonica Kevin Matryn 2015-9-28 PDR# 570 P06364034 Yolo Davis; West Pond, near Covell Blvd. 0 Comment
  UCD69417  Lonicera japonica S. Quick 1996-5-19 14 Yolo City of Davis. F Street, within 10 meters of railroad tracks, between 12th and 14th Streets. Disturbed rocky field dominated by grasses. Twining shrub, roughly 2 meters tall. Flowers paired in axils, white, yellowing with maturity. 17 Comment
  CAS-BOT-BC198621  Lotus Alice Eastwood 1927-3-28 14226 Yolo Near Winters. Comment
  UC80892  Lotus grandiflorus C. F. Baker 1903-5-8 2993 Yolo Summit of Yolo Mountains Comment
  RSA537640  Lotus grandiflorus var. grandiflorus Barbara J. Ertter, Annetta Carter 1989-5-28 8529 Yolo 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. 732 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
  RSA590186  Lotus humistratus Michael A. Vincent, Robert Rhode, Karl Vincent 1996-3-30 7269 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16 , ca. 2 miles S of Colusa Co. Line. Comment
  RSA0028967  Lotus humistratus Keith E. Hoffmaster 1939-4-26 936 Yolo Putah Canyon. Comment
  RSA0028968  Lotus humistratus Lois Weston 1942-4-24 1140 Yolo Putah Canyon. 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
  UC917167  Lotus wrangelianus H. Popenoe 1949-4-11 2 Yolo 5.5 mi n Rumsey; Cache Creek 167 Comment
  UCD75888  Ludwigia peploides subsp. montevidensis B. J. Grewell 2007-10-15 07- 105 -LU Yolo Cache Creek at Rumsey Bridge, Yolo County. 124 Comment
  CDA6776  Luffa acutangula D. H. Adams 1974-9-3 Yolo 1416 Claremont Drive, Davis. 0 Comment
  UCD38378  Lupinus albifrons Beecher Crampton 1953-2-26 986 Yolo Hills above Putah Creek, 5 miles west of Winters. 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
  UC727038  Lupinus albifrons var. albifrons A. A. Heller March 1941 15913 Yolo on U.S. Highway #99W Buckeye Creek Comment
  JEPS84543  Lupinus bicolor John W. Willoughby 1977-3-16 1915 Yolo low foothills n of State Highway 128, 1.3 mi e of its junction with Pleasants Valley Road (County Road 86) ( large turnout on n side of highway); Vaca Mountains 48 Comment
  UCD107270  Lupinus bicolor P. B. Kennedy 1915-4-26 27 Yolo Nedicagoplats - Univ Farm, Davis. Comment
  UCD107330  Lupinus bicolor M. I Wibawa 1996-4-13 3 Yolo along Hwy 128, 1 mi W of Railroad Ave. 17 Comment
  UCD20800  Lupinus bicolor N. Nicola; C. Kremen 2001-3-16 16 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  UCD80923  Lupinus bicolor Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5326 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
  UCD84344  Lupinus bicolor Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCR206280  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2009-5-20 14723 Yolo Western Sacramento Valley, Capay Valley; along CA-16, 1.5 miles west of Capay 70 Comment
  UCD33688  Lupinus bicolor Beecher Crampton 1972-3-13 8772 Yolo 3 miles west of Winters. Comment
  UCD33892  Lupinus bicolor Beecher Crampton 1975-3-12 9110 Yolo roadbank 5 miles west of Winters. Comment
  SEINET10841275  Lupinus bicolor var. umbellatus Brown 1966-3-25 Brown 8 Yolo On open hills with an occasional tree; putah canyon, 2 mi. W of winters and .7 Mi. N of state hwy 128 on road 87b (toward gil krisor's place), yolo co, calif. Comment
  SEINET10870963  Lupinus bicolor var. umbellatus Brown 1966-3-25 Brown 8 Yolo On open hills with an occasional tree; putah canyon, 2 mi. W of winters and .7 Mi. N of state hwy 128 on road 87b (toward gil krisor's place), yolo co, calif. Comment
  RSA10433  Lupinus densiflorus var. aureus Carl B. Wolf 1928-5-8 2135 Yolo Sacramento Valley, 7 # miles north of Zamora. Comment
  UCD107765  Lupinus formosus P. B. Kennedy 1916-7-23 20 Yolo Exact location unknown. Comment
  UCD35963  Lupinus microcarpus Beecher Crampton 1953-3-31 1047 Yolo Madison. Comment
  UCD33623  Lupinus microcarpus Beecher Crampton 1971-4-21 8674 Yolo 6 miles W.N.W. of Davis, county road 96 between county roads 30 and 31. Comment
  UC532188  Lupinus microcarpus var. densiflorus L. F. Robbins 1928-4-15 Yolo Capay Valley Comment
  UC727200  Lupinus microcarpus var. densiflorus A. A. Heller 1942-4-22 16433 Yolo 2 mi s Dunnigan Comment
  UCD108748  Lupinus microcarpus var. densiflorus M. Ramos 1996-4-10 2 Yolo found along side of Road 128, 8 mi west of Winters. 137 Comment
  UCD84345  Lupinus microcarpus var. microcarpus Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCD108887  Lupinus microcarpus var. microcarpus J. Skoss 1948-6-5 13 Yolo railroad embankment, 2 miles northeast of Davis. Comment
  UCD36859  Lupinus microcarpus var. microcarpus Beecher Crampton 1956-4-18 3269 Yolo 1 mile west of Madison. Comment
  UC764128  Lupinus nanus R. F. Hoover 1938-2-22 2764 Yolo Putah Creek Canyon Comment
  UCD108965  Lupinus nanus K. Esau 1938-3-26 s. n. Yolo Yolo County, Putah Canyon. Comment
  UCD170025  Lupinus nanus Keith E. Hoffmaster 1939-4-6 906 Yolo Putah Canyon. 75 Comment
  UCR198143  Lupinus nanus Ellen Dean, Mark Bibbo 2007-3-23 3390 Yolo Inner Coast Range, Tuleyome Ireland Ranch, northwest of the city of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain, southwest portion of ranch 649 Comment
  UCD109094  Lupinus nanus B. G. Madson 1925-3-29 s.n. Yolo roadside near Copoy Comment
  UCD109257  Lupinus nanus J. M. Tucker; C. H. Lamoureux 1958-4-7 3379 Yolo north side of State Highway 128, ca. 2 3/4 miles south-west of Winters. Comment
  UCD34198  Lupinus nanus Beecher Crampton 1978-3-16 9548 Yolo 2 miles west of Winters. Comment
  UCR148124  Lupinus nanus var. apricus Beecher Crampton 1982-3-8 9814 Yolo 5 mi west of Wintes on Hwy 128 54 Comment
  SEINET11091449 Image available Lupinus subvexus I. L. Eaks 1951-3-28 21 Yolo 3 miles north of Davis Comment
  UCD33628  Lupinus subvexus Beecher Crampton 1971-4-26 8677 Yolo Yolo County, 1/2 mile south of Saxon Station. Comment
  SEINET12170754  Lupinus succulentus Unknown 1998-4-28 5 Yolo near base of Monticello Dam Comment
  UC753996  Lupinus succulentus H. F. Copeland 1943-4-24 1592 Yolo e Davis; e of Davis Comment
  UCD109608  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
  SBBG19582  Lupinus succulentus H. F. Copeland 1943-5-24 1592 Yolo E of Davis Comment
  SEINET10489003  Lupinus succulentus Thomas W. Nelson, Jane P. Nelson 1980-4-27 Nelson 5101 Yolo Morgan valley quad. Along state route 16, 6 mi from colusa co line. 152 Comment
  SEINET7040226 Image available Lupinus succulentus A. G. Vestal 1962-4-6 s.n. Yolo West of Winters on north side of Route 128. Winters Quadrangle UTM Zone 10, 586704mE, 4262943mN. Comment
  SFV1905  Lupinus succulentus B. J. McCaskill, K. Onaga 1962-4-12 648 Yolo Sacramento Valley Davis. 0.1 miles east of intersection of L and 2nd streets. Comment
  UCD109634  Lupinus succulentus June McCaskill; Katherine Onaga 1962-4-12 648 Yolo 0.1 mile east of intersection of L and 2nd streets, Davis. Comment
  UCD109643  Lupinus succulentus M. Wiesendanger 1927-4-29 613 Yolo Woodland. Comment
  UCD82153  Lupinus succulentus Jean Shepard 2000-4-1 109 Yolo City of Davis. Intersection of Cowell Blvd. and Chiles Rd. Comment
  SEINET7040228 Image available Lupinus vallicola A. G. Vestal 1962-4-6 s.n. Yolo West of Winters on north side of Route 128. Winters Quadrangle UTM Zone 10, 586704mE, 4262943mN. Comment
  SEINET10490291  Lupinus vallicola subsp. apricus Thomas W. Nelson, Jane P. Nelson 1980-4-27 Nelson 5103 Yolo Along state route 16 ca 100 m e of bridge over cache creek, 4.2 mi from colusa Co line. 152 Comment
  CDA29234  Lycianthes ciliolata D. G. Kelch 2005-9-21 6 .482 Yolo U.C. Davis Conservatory. Comment
  UCD126601  Lycium barbarum J. A. Ogle 1924-6-1 12 Yolo Davis (Armstrongs), Comment
  SEINET10780225  Lycopersicon esculentum Stephanie Frischie 2000-9-27 Frischie 79 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET10780228  Lycopersicon esculentum Stephanie Frischie 2000-9-27 Frischie 83 Yolo Davis Farmers' Market, Davis, CA. Comment
  UCD126617  Lycopersicon esculentum J. D. Atkin 1952-6-1 52 Yolo growing at Truck Crops Field, University of California, Davis. Comment
  UCD142948  Lycopus americanus Ellen Dean; A. Lal, M. Taylor 2013-7-8 7820 Yolo Russell Ranch UC Davis Riparian Reserve on south side of Russell Blvd. between City of Davis and City of Winters. Found in Putah Creek Vegetation Survey Plot RRR 1D. 30 Comment
  UCD41111  Lythrum californicum J. Kim 2002-8-9 246 Yolo Eastern foothills of inner north coast range, Capay Valley. Park area just south of Guinda. Comment
  SEINET2441871  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, Sacramento Valley; T10N R1W, ca 120'. Comment
  UCD38517  Lythrum californicum Beecher Crampton 1955-9-29 3164 Yolo US Hwy 99W. 1.5 miles north of Davis. Comment
  JEPS100848  Lythrum hyssopifolia Dean Wm. Taylor with Mey Akasah 1999-6-4 17225 Yolo Dunnigan Hills, along County Road E4 0.5 miles South of junction with Road 86 91 Comment
  UCD63355  Lythrum hyssopifolia Daniel Sanchez-Mata 2006-6-15 s.n. Yolo Winters-Moskowite Corners. Putah Creek Public Fishing Area. 70 Comment
  UCD19490  Lythrum hyssopifolia Terry Reedy 1974-5-7 200 Yolo 1/4 mile E of Davis boundary on County Road 32. 21 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
  JEPS100847  Lythrum tribracteatum Dean Wm. Taylor with Mey Akasah 1999-6-4 17226 Yolo Dunnigan Hills, along County Road E4 0.5 miles South of junction with Road 86 91 Comment
  UCD160091  Madia citriodora Mayra Huerta 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. 126 Comment
  UCR206347  Madia elegans subsp. vernalis George 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 177 Comment
  SEINET8191883 Image available Magnolia grandiflora June McCaskill, J. M. Tucker 1957-6-13 529 Yolo Along main walkway across Quadrangle, University of California, Davis Comment
  UCD134378  Malacothrix floccifera K. Esau 1935-5-8 s.n. Yolo Putah Canyon. Comment
  JEPS36819  Malacothrix floccifera W. L. Jepson 1920-5-25 9051 Yolo Putah Pass Inner North Coast Range, Putah Pass Comment
  UCD18358  Mallotus japonicus Duane Gooden 1997-1 s.n. Yolo city of Davis, UC Davis campus. Comment
  UCD116609  Malva nicaeensis M. Ramos 1996-5-25 23 Yolo North side of Davis. 12 Comment
  UCD21288  Malva nicaeensis J. Shepard 2000-5-8 227 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 the south side. Growing in 6 foot mounds of topsoil behind archery ranges. 12 Comment
  UCD116547  Malva nicaeensis David Barnett 1982-5-4 37 Yolo Davis, near intersection of Russell and Lake Blvds. 15 Comment
  UCD14328  Malva nicaeensis Heidi Haugen 1984-4-15 15 Yolo Yolo Co.; South Fork of Putah Creek; 15 Comment
  UCD41164  Malva parviflora N. Nicola 2002-4-4 159 Yolo Eastern foothills of inner north coast range, Capay Valley. Just west of town of Capay, Barsotti farm. Comment
  RSA273272  Malva parviflora Glenn A. Gorelick 1966-5-1 s.n. Yolo Growing along side of house as a weed, 418-1/2 2nd Street, Davis, Yolo Co., California Comment
  UCD116678  Malva sylvestris Mrs. Nora Cruse 1938-5-26 s.n. Yolo 412 Lincoln Ave., Woodland. Comment
  UC735708  Malvella leprosa Charles B. Heiser Jr. 1947-5-29 1917 Yolo Davis Comment
  UCD116695  Malvella leprosa P. B. Kennedy 1916-7-23 s.n. Yolo location unknown. Comment
  UCD36089  Malvella leprosa Beecher Crampton 1952-10-11 857 Yolo Yolo County, 1 mile north of Davis. Comment
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Jan 22 2008
  UCD81066  Malvella leprosa Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5600 Yolo city of Woodland. Woodland Regional Park. East side of County Road 102, just south of County Road 25. Mavis Henson Field. In area closest to County Road 102, near fence. 9 Comment
  UCD81551  Malvella leprosa W. W. Robbins; W. D. Norton 1928-8-1 1419 Yolo near Clarksburg. Comment
  UCD116717  Malvella leprosa C. J. W. 1913-9-1 306 Yolo Davis. Comment
  UCD20685  Malvella leprosa Laura F. Galloway 1988-5-18 18 Yolo Yolo County, Davis, 'G' and Sweet Briar Sts., empty urban lot. 13 Comment
Read comments
Jan 22 2008
  UCD35642  Malvella leprosa Beecher Crampton 1959-6-10 5342 Yolo Just north of Davis, along County Road 31. Comment
Read comments
Jan 22 2008
  UCD160368  Manihot esculenta Jean Shepard 2005-10-21 847 Yolo UC Davis campus. Planted on south side of Kerr Hall. Comment
  UCD107632  Marah fabacea Chas. Heiser 1947-4-21 1907 Yolo Putah Creek, campus, Davis. Comment
  UCD21387  Marah fabacea J. Shepard 2001-4-13 430 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 50 feet. Then south about 150 feet into archery ranges. 12 Comment
  SEINET4584961 Image available Marah fabacea Vijai Rakvidhyasastra 1969-5-3 23 Yolo Near bank of Putah Creel, University of California - Davis campus Comment
  UCD107659  Marah fabacea Bob Threlkel 1964-3-27 1 Yolo Cache Creek, State Highway 16, 3.5 miles northwest of Rumsey. 152 Comment
  UCD56735  Marah watsonii Ellen Dean; M. Bibbo 2007-3-23 3427 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
  CDA31213  Marrubium vulgare M. Beyers 2010-5-12 441 Yolo In the vicinity of Esparto, along the east side of County Road 87, where it bridges Cache Creek on its north. 55 Comment
  UCD125020  Marrubium vulgare P. B. Kaufman 1950-5-9 39 Yolo Arboretum, University of California campus, Davis. 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
  UCD68022  Marrubium vulgare C. P. Pease 1995-5-20 S.N. Yolo East side of University of California, Davis campus, Experimental College gardens. 16 Comment
  SBBG50622  Marrubium vulgare L. Dodge 1974-5-13 42 Yolo N bank of Putah Crk at end of Airport Rd, 2 mi SW of Davis 12 Comment
  UCD136572  Marsilea vestita subsp. vestita C. B. Heiser Jr. 1947-5-3 1908 c Yolo Under Yolo Causeway. Highway 99W. Comment
  CDA30607  Matricaria discoidea M. Beyers 2010-4-3 331 Yolo Along Highway 128, immediately adjacent to westbound traffic just northeast of Putah Creek (and Lake Solano County Park). 48 Comment
  UC735733  Matricaria discoidea Walter Russell 1957-4-5 63 Yolo Univ. Farm Davis Comment
  UCD144275  Matricaria discoidea Carol W. Witham 2003-4-7 898 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD18491  Matricaria discoidea C. P. Pease 1995-5-6 s.n. Yolo city of Davis, east side of UCD campus, Experimental College gardens. 16 Comment
  CAS-BOT-BC348254  Matricaria discoidea Alice Eastwood 1927-3-28 s.n. Yolo Winters Comment
  UCD13322  Matricaria discoidea Bill Chally 1989-4-27 12 Yolo Stebbins Reserve, W of Winters, along hwy 128. 243 Comment
  UCD134605  Matricaria discoidea Jack A. Thiel 1955-5-27 s.n. Yolo Yolo Causeway, 6 miles east of Davis. 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
  UCD170106  Matricaria discoidea M. K. Bellue; Goodwin 1932-4-22 s.n. Yolo Davis. Comment
  UC178612  Matricaria occidentalis J. W. B. 1892-1 Yolo Woodland Comment
  UCD107727  Medicago lupulina Morris Halperin 1930-7-29 s.n. Yolo Davis. Football turf, N.C. 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
  UCD146733  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
  UCD21214  Medicago polymorpha J. Shepard 2000-3-18 80 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 south side of main entrance road. 12 Comment
  UCD48031  Medicago polymorpha Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 9 Yolo McLaughlin UC Reserve. W side of Davis Creek Reservoir, along road that goes from Soda Spring are 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. 487 Comment
  RSA699932  Medicago polymorpha Lois Weston 1942-4-24 1141 Yolo Putah Canyon. 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
  UCD107901  Medicago polymorpha Joy Woo 1989-4-18 2 Yolo Parkside Apts. Davis. Comment
  UCD63140  Medicago praecox A. M. Shapiro 2008-4-17 s.n. Yolo California. Yolo County: Central Davis, Eureka Avenue. Comment
  UCD107931  Medicago sativa F. E. Hadly 1920-3-28 s.n. Yolo Univ. Farm, Davis. Comment
  SEINET11695727  Melica Unknown 1962-8-24 T.O. 2573 Yolo UC Davis agronomy experimental area, plant introduction nursery, row E-66 Comment
  RSA0048651  Melica bella Lois Weston 1942-4-24 1127 Yolo Putah Can. Comment
  UCD86355  Melica bulbosa D. H. Hartmann 1941-7-9 s.n. Yolo Agronomy Plots, Davis. Comment
  UCD86383  Melica bulbosa M. Wiesendanger 1927-4-28 619 Yolo Esparto. 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
  UCD56757  Melica californica Ellen Dean; M. Bibbo 2007-3-23 3449 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
  UCD86454  Melica californica Beecher Crampton 1958-4-21 4709 Yolo Cache Creek, along State Hwy. 16. 2.4 miles northwest of Rumsey. Comment
  UCD86933  Melica californica Beecher Crampton 1967-5-3 7850 Yolo Yolo County, 2 miles west of Winters. Comment
  UCD86938  Melica californica Beecher Crampton 1972-4-3 8780 Yolo Yolo County, 2.25 miles north of Saxon Station (direct line is 4 miles S.E. of Davis) Comment
  CAS-BOT-BC262487  Melica torreyana C. F. B. 1903-5-6 2885 Yolo Cache Creek Canon [Canyon] Comment
  UCD20593  Melilotus albus E. Dean; with M. Bibbo 2002-7-5 1136 Yolo McLaughlin UC Reserve. 0.6 road miles S of Rayhouse Road reserve gate, along road to Soda Springs. 487 Comment
  CDA30597  Melilotus indicus M. Beyers 2010-5-12 442 Yolo In the vicinity of Esparto, along the east side of County Road 87, where it bridges Cache Creek on its north. 55 Comment
  UCD13411  Melilotus indicus K. Meares 1996-10-8 023 Yolo City of Davis, northern part. Next to the North Davis Pond. 15 Comment
  SBBG115415  Melilotus officinalis B. Crampton 1964-1 s.n. Yolo UC Davis agronomy experimental area Comment
  CHSC83208  Mentha canadensis Beecher Crampton 1953-10-15 1691 Yolo 2 miles west of Madison. Comment
  JEPS84663  Mentha canadensis John W. Willoughby 1976-7-29 1829 Yolo along State Hwy 128 about 1.2 mi nw junction <with> County Road 86 (Pleasants Valley Road) (at fishing access; Putah Creek); Vaca Mountains, Putah Creek 60 Comment
  SEINET5644910  Mentha pulegium Gary R. Adamson 1960-5-7 21 Yolo Davis.; 0 Comment
  UCD39747  Mentha pulegium Beecher Crampton 1976-7-6 s.n. Yolo Davis. Comment
  UCD20896  Mentzelia laevicaulis N. Nicola 2001-3-5 124 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  UC1299207  Mentzelia micrantha Freed W. Hoffman 1947-6-18 1643 Yolo Between Knoxville Cache Creek (northwestern) 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
  UCD102823  Micranthes californica Jack Maze 1964-3-13 29 Yolo State Highway 16, 2.5 miles north of Rumsey. 182 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
  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
  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
  UCD80928  Microseris douglasii Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5331 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
  UCD132848  Microseris douglasii Beecher Crampton 1953-4-11 1069 Yolo Along the road 1.5 miles north of Davis. Comment
  UCD21243  Microseris elegans J. Shepard 2000-4-13 127 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. 12 Comment
  UCR220405  Microseris elegans Jean V. Shepard 2000-4-13 127 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, 3.5mi south on Mace Blvd. (Co. Road 104) from intersection of Hwy I-80 and Mace Blvd., 1 mi east along unpaved entrance road. South of entrance road, past parking lots on the south side 12 Comment
  UCD80983  Mimulus aurantiacus Angelica Sauceda; Ellen Dean, Clare Loughran 2009-4-26 5 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. 88 Comment
  UCD122264  Mimulus aurantiacus var. aurantiacus C. G. Baughn 1949-4-29 36 Yolo 1 mile north of Rumsey. Comment
  JEPS10556  Mimulus bolanderi R. F. Hoover 1938-4-23 3197 Yolo hills n Rumsey (grade on Rumsey-Arbuckle rd) Comment
  SEINET4678055  Mimulus guttatus M. C. Johnston 1995-5-7 4 Yolo Across the road from the Monticello Dam.; 0 Comment
  UCD20372  Mimulus kelloggii K. Esau 1938-3-26 s. n. Yolo Putah Canyon. Comment
  UCD96002  Mimulus latidens Dena Grossenbacher; Brian Green 2008-4-6 757 Yolo Yolo County Grasslands Regional Park, 3.5 miles south on Mace Blvd from I-80, near Sacramento Valley Soaring Society parking lot in southeast corner of the park. 9 Comment
  UCD19286  Mimulus latidens Gene M. Miyao 1986-4-15 s.n. Yolo ca. 1 mi. south of Madison, Circle G Ranch on County Rd. 89. 45 Comment
  JEPS10881  Mimulus pilosus W. L. Jepson 1887-9-17 21454 Yolo near Winters; Putah Comment
  UCR220392  Mimulus tricolor Jean V. Shepard 2000-5-13 248 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 County Road 36 c. 0.4 mi to southeast corner of park inside disked area 12 Comment
  UCD125286  Monardella Collector Unknown Date Unknown s. n. Yolo Northwest part of county. Comment
  RSA0054949  Montia Keith E. Hoffmaster 1939-4-6 903 Yolo Putah can. Comment
  UCD146830  Montia fontana Carol W. Witham 2003-4-11 940 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD21379  Montia fontana J. Shepard 2001-3-26 420 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 along County Road 36. Near east border with Department of Defense property. Approximately 5 yards east of fence and 200 yards north of County Road 36. 12 Comment
  UCD55512  Montia fontana J. Shepard 2004-3-21 645 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
  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
  UCD139281  Muilla maritima 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
  UCD21369  Myosurus minimus J. Shepard 2001-3-22 406 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 southeast corner of park by Road 36 and the fence between park and Department of Defense property. 12 Comment
  UCD21424  Myosurus minimus J. Shepard 2002-4-18 520 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 north to south access road. South to dip in road at vernal pool area. 12 Comment
  UCD80824  Myosurus minimus Ellen Dean 2009-3-22 5282 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
  UCD96295  Myosurus minimus Beecher Crampton 1978-5-8 9575 Yolo Yolo County, 1/4 mile south of Saxon Station. 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
  POM316258  Myosurus minimus var. filiformis K. J. Tucker, J. M. Tucker 1950-3-26 1927 Yolo Yolo County: beside Hwy 99W, 3 miles NW of Davis Comment
  JEPS80670  Myosurus sessilis L. R. Heckard with Dave and Mary Ann Showers 1981-5-30 5520 Yolo 3 mi se Woodland (s of Road 25 and e of Road 103) Comment
  RSA10403  Myosurus sessilis Carl B. Wolf 1928-5-8 2150 Yolo Sacramento Valley; 12 miles north of Dixon. Comment
  UCD96286  Myosurus sessilis Beecher Crampton 1952-11-7 916 Yolo Yolo County, 3 miles northwest of city of Davis. 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
  UCD141689  Myriophyllum spicatum Ellen Dean; M. Taylor 2013-6-20 7801 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 1E of Putah Creek vegetation survey. 6 Comment
  SBBG29008  Nassella cernua B. Crampton 1967-5-11 7923 Yolo 5 mi W of Winters; St Hwy 128 Comment
  UCD164513  Nassella lepida Craig Thomsen 2006-5-27 2696 Yolo Camp Haswell County Park, west of Hwy 16. 137 Comment
  UCD73111  Nassella lepida Ellen Dean; Susan Xhang, Christa Lindsey, Chris Mosser 2008-5-3 4899 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. On hillside on west side of canyon. 76 Comment
  UCD73675  Nassella lepida Ayzik Solomeshch 2004-5-5 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
  CAS-BOT-BC260115  Nassella pulchra Beecher Crampton 1982-3-22 9823 Yolo 5 miles W of Winters on Highway 128 Comment
  UCD34401  Nassella pulchra Beecher Crampton 1982-3-22 9823 Yolo Yolo County, 5 miles west of Winters on Hwy. 128. Comment
  UCD37516  Nassella pulchra Beecher Crampton 1961-4-17 5857 Yolo Yolo County, 3 miles northeast of city of Davis, city dump and rifle range. Comment
  UCD73572  Nassella pulchra Ellen Dean; Elizabeth Goebel 2008-4-7 4720 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
  UCD87474  Nassella pulchra Beecher Crampton 1958-4-17 4701 Yolo 4.5 miles west of city of Winters, along State Hwy. 128. Comment
  CAS-BOT-BC230251  Navarretia cotulifolia A. A. Heller; H. E. Brown 1902-4-30 s.n. Yolo Near Black's Comment
  CAS-BOT-BC230269  Navarretia cotulifolia Beecher Crampton 1960-5-9 5506 Yolo 0.25 miles S of Saxon Station Comment
  RSA83073  Navarretia cotulifolia Verne Grant, Alva Grant 1946-4-12 7690 Yolo Near Woodland Comment
  UCD36881  Navarretia cotulifolia Beecher Crampton 1956-4-26 3312 Yolo Yolo County, 7 miles northeast of city of Davis, County Road 103. Comment
  UCD37103  Navarretia cotulifolia Beecher Crampton 1957-4-23 3946 Yolo Yolo County, 3 miles northeast of city of Davis. Comment
  UCD39050  Navarretia cotulifolia Beecher Crampton 1962-5-1 6351 Yolo 5.5 miles southeast Davis (in direct line) jct. County Roads 106 A and 35. Comment
  UCD39053  Navarretia cotulifolia Beecher Crampton 1962-5-1 6360 Yolo 1/4 mile south Saxon Station, jct. County Roads 106 and 38. Comment
  UCD48346  Navarretia cotulifolia Beecher Crampton 1958-5-10 4778 Yolo 2 miles north of Davis. Comment
  CAS-BOT-BC230271  Navarretia cotulifolia B. Crampton 1956-4-26 3312 Yolo Along County Road 103, ca. 7 miles NE of Davis Comment
  CDA9628  Navarretia intertexta D. G. Kelch 2007-5-18 7 .323 Yolo Yolo Causeway, 0.4 mi E of Levee Rd. / RR crossing. Comment
  UCD37196  Navarretia intertexta subsp. intertexta Beecher Crampton 1958-5-28 4837 Yolo Yolo County, city of Davis. Comment
  SBBG117350  Navarretia leucocephala B. Crampton 1953-4-21 1120 Yolo ca. 3 mi N of Winters Comment
  UCD38894  Navarretia leucocephala Beecher Crampton 1960-5-9 5499 Yolo 1.25 miles southwest of Saxon Station. Comment
  UCD73129  Navarretia leucocephala Ayzik Solomeshch 2003-5-30 s. n. Yolo Department of Fish and Game Glide Tule Ranch, about 8 mi. southeast of Davis. 6 Comment
  UCR178859  Navarretia leucocephala Ayzik Solomeshch 2002-4-30 s.n. Yolo Sacramento Valley, Glide Ranch, 2.5 mi SSE from intersection of Road 105 and Road 38 6 Comment
  CDA40128  Navarretia leucocephala G. D. Barbe 1984-5-7 4158 Yolo Yolo Bypass, east of the Glide Ranch headquarters. Comment
  SD180578  Navarretia leucocephala Beecher Crampton 1960-5-9 5499 Yolo 1.25 miles southwest of Saxon Station. Vernal meadow Comment
  UCD33985  Navarretia leucocephala Beecher Crampton 1975-6-18 9223 Yolo Yolo County, 1/4 mile south of Saxon Station. Comment
  UCD48543  Navarretia leucocephala W. R. Russell; C. B. Heiser 1947-5-3 1908 d Yolo Under Yolo Causeway. Comment
  RSA91816  Navarretia leucocephala subsp. leucocephala Beecher Crampton 1954-5-6 1826 Yolo 3 miles southwest of Winters Comment
  UCD32596  Navarretia leucocephala subsp. leucocephala Beecher Crampton 1954-6-14 1953 Yolo Yolo County, 9 miles east of Woodland, bottomlands of Yolo bypass. Comment
  UCD48540  Navarretia leucocephala subsp. leucocephala Beecher Crampton 1965-6-29 7391 Yolo 5 miles E of Davis, Yolo Bypass. Comment
  UCD59365  Navarretia mellita Ellen Dean; Kate Mawdsley 2007-6-8 3841 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
  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
  UCD48619  Navarretia pubescens Beecher Crampton 1954-6-11 1951 Yolo 3 miles west of Rescue foothills flat. Comment
  JEPS3227  Nemophila heterophylla L. Constance 1938-3-27 2045 Yolo on Monticello-Winters Road 9 mi nw Winters (bluff above Putah Creek, Vaca Mountains, Inner North Coast Ranges); Inner North Coast Ranges, Vaca Mountains, Putah Creek 304 Comment
  UC596366  Nemophila heterophylla R. F. Hoover 1938-3-12 2846 Yolo Cache Creek Canyon near Rumsey; Cache Creek Canyon near Rumsey Comment
  UCD73094  Nemophila heterophylla Ellen Dean; Plant Biology 102 students 2008-4-6 4717 Yolo 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 creek near old road cut that ascends slope. 82 Comment
  UCD120000  Nemophila heterophylla R. B. Griffith 1949-4-11 15 Yolo Hillside east of Cache Creek, 5.5 miles north of Rumsey. Comment
  UCD56723  Nemophila menziesii Ellen Dean; M. Bibbo 2007-3-23 3415 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
  UCD39924  Nepeta cataria Beecher Crampton 1995-8-9 s.n. Yolo City of Davis. Comment
  UCD22845  Nephrolepis exaltata Bijou Dehgan 1971-4-10 s.n. Yolo In Mrs. Hendrickson's garden on Anderson Road. Comment
  UCD126648  Nicotiana glauca A. S. Crafts 1926-7-8 464 Yolo University Farm Campus, Davis. Comment
  UCD14615  Nicotiana glauca Nathan Horn 1989-6-1 22 Yolo along Old Davis Road, ca. 1/2 mile east of University of California, Davis. 15 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
  UCD126717  Nicotiana quadrivalvis J. D. Skoss 1948-6-5 16 Yolo along Putah Creek bed, University of California, Davis campus. Comment
  UCD126725  Nicotiana quadrivalvis C. J. W. Date Unknown s.n. Yolo Davis. Comment
  UCD41151  Nigella damascena K. Arhangelsky 2002-5-9 207 Yolo Eastern foothills of inner north coast range, Capay Valley. North of Guinda, Rd 43 off Hwy 16; Fullbelly Farm. Comment
  UCD137737  Nuphar polysepala N. Tobin 1929-5-1 1923 Yolo Woodland. Comment
  UCD59356  Oemleria cerasiformis Ellen Dean; Kate Mawdsley 2007-5-11 3780 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. Crooker Springs drainage, northeastern corner of ranch. 360 Comment
  UCD84799  Oenothera elata subsp. hirsutissima Thaddeus Hunt 2010-7-9 s.n. Yolo north of the town of Winters. Along Winters Canal at 'school house drain. Comment
  UCD122094  Olea europaea Don K. Sexton 1956-3-2 149 Yolo Behind Dairy Industry Bldg., north side of Hutchinson Drive, U.C. campus, Davis. Comment
  UCD39744  Origanum dictamnus Beecher Crampton 1976-7-5 s.n. Yolo Davis. Comment
  UCD141774  Orobanche californica Ellen Dean; M. Taylor, K. McMillan 2013-6-13 7794 A 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 4E of the Putah Creek vegetation survery. 9 Comment
  UCD88435  Oryza rufipogon W. W. Mackie 1919-10-1 s.n. Yolo Yolo County. Comment
  UCD36102  Oryza sativa Beecher Crampton 1952-10-27 886 Yolo Yolo County, 3 miles north of city of Davis, along Road 101A. 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
  SEINET240090  Oryzopsis holciformis Beecher Crampton TO 2148 Yolo UC Davis agronomy experimental area, plant introduction nursery Comment
  UCD39913  Oryzopsis miliacea Beecher Crampton 1961-8-11 s.n. Yolo UC Davis Campus, Agronomy Seed House. Comment
  SEINET242448  Oryzopsis miliacea subsp. thomasii Beecher Crampton 1962-6-14 T.O. 2223 a Yolo UC Davis agronomy experimental area, plant introduction nursery, row D-132 Comment
  SEINET240093  Oryzopsis miliacea subsp. thomasii Beecher Crampton 1962-6-14 T.O. 2223 a Yolo UC Davis agronomy experimental area, plant introduction nursery, row D-132 Comment
  HSC16699  Oxalis corniculata J. V. Lenz 1946-4-1 Yolo W Sacramento Comment
  UCD110756  Oxalis corniculata Beecher Crampton 1982-4-21 s.n. Yolo UC Davis campus. Comment
  UCD110784  Oxalis corniculata Joy Woo 1989-4-18 3 Yolo edge of lawn, Parkside Apartments, Davis. Comment
  UCD20788  Oxalis pes-caprae N. Nicola 2001-3-14 004 Yolo Sacramento Valley, 4 miles west of Woodland, at Cache Creek Nature Preserve, along Cache Creek. Comment
  UCD111012  Oxalis pes-caprae Beecher Crampton 1980-3-4 9697 Yolo Davis Comment
  UCD34311  Oxalis pes-caprae Beecher Crampton 1980-3-4 9697 Yolo Davis Comment
  SEINET8465066 Image available Panicum capillare Beecher Crampton 1953-10-15 1694 Yolo Capay, along Cache Creek Comment
  UCD89507  Panicum capillare H. B. Currier 1941-9-22 s.n. Yolo Davis. Comment
  SEINET7293745 Image available Panicum capillare subsp. hillmanii Beecher Crampton 1964-1 7201 Yolo 3 miles NW of Davis Junction Count Roads 99 and 29 Comment
  UCD32856  Panicum capillare subsp. hillmanii Beecher Crampton 1964-9-22 7202 Yolo Yolo County, 3.5 miles west of Davis, Russell Blvd.. Comment
  UCD89774  Panicum capillare subsp. hillmanii Beecher Crampton 1967-7-25 8134 Yolo 2 miles west of Davis on Russell Blvd. and County Road 98. 'Cactus Corner. Comment
  UCD89793  Panicum capillare subsp. hillmanii Beecher Crampton 1969-9-8 8511 Yolo 3/4 mile west of the old Elkhorn Ferry, Sacramento River. State Highway 16. Comment
  UCD89701  Panicum dichotomiflorum R. Tofsrud 1942-11-1 116 Yolo Davis. Comment
  CAS-BOT-BC253780  Panicum hillmanii Beecher Crampton 1977-10-25 9544 Yolo UC Davis agricultural service yard Comment
  CAS-BOT-BC253862  Panicum miliaceum J. Rumsey 1933-9-1 s.n. Yolo Woodland Comment
  CAS-BOT-BC253930  Parapholis incurva L. R. Abrams 1928-5-8 12594 Yolo Between Woodland and Davis Comment
  UCD32629  Parapholis incurva Beecher Crampton 1954-6-21 2003 Yolo Yolo County, 3 miles north of Davis. Comment
  UCD34252  Parapholis incurva Beecher Crampton 1978-6-26 9609 Yolo Yolo County, 4 miles S.E. of Woodland, T9N R2E sect. 11 N.E. 1/4. Comment
  UCD88637  Parapholis incurva Beecher Crampton 1972-5-21 8807 Yolo Davis. W. 14th and Eureka, SW corner. Comment
  UCD88640  Parapholis incurva Beecher Crampton 1972-5-21 8966 Yolo 3 miles s.e. Woodland (in direct line) County Roads 25 X 103. 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
  SEINET4691099  Parapholis incurva B. Crampton 1989-5-12 10159 Yolo Davis, 1203 Eureka Ave. Comment
  UC1245121  Parkinsonia aculeata June McCaskill and Katherine Onaga 1962-7-2 654 Yolo Davis; garden at 1001 D Street Comment
  SEINET11124396 Image available Parkinsonia aculeata June McCaskill 1954-5-1 334 Yolo Northeast corner of Student Store, university of California, Davis Comment
  UCD41070  Paspalum dilatatum Carol W. Witham 2003-8-8 1001 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-BC259751  Paspalum distichum P. B. Kennedy 1920-6-21 s.n. Yolo Merritt Island, Sacramento River Comment
  CHSC101516  Paspalum distichum G. F. Hrusa 2007-6-27 17048 Yolo Colony on shoreline in sandy intertidal area at Yolo Co. Boat Launch, west side of Sacramento River +/- 1 mile north of Hood (Sacramento Co.). 3 Comment
  UCD36093  Paspalum distichum Beecher Crampton 1952-10-12 861 Yolo Yolo County, city of Davis, along Putah Creek. Comment
  UCD84353  Paspalum distichum Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCD88903  Paspalum distichum Alan A. Beetle 1946-7-13 4717 Yolo Putah Canyon. Comment
  UCD88944  Paspalum distichum R. Tofsrud 1942-11-1 s.n. Yolo Old Putah channel along back of Davis Farm. Comment
  SEINET4344385 Image available Paspalum distichum Unknown 1988-10-21 7996 Yolo Cache Creek 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
  UCD123335  Pedicularis densiflora T. E. Weier 1942-2-15 s.n. Yolo Putah Canyon. Comment
  UCD137573  Pellaea andromedifolia A. A. Beetle 1945-1-20 3075 Yolo West of Winters in Putah canyon. Comment
  UCD162953  Pellaea andromedifolia Craig Thomsen 2006-6-8 2630 Yolo Camp Haswell. West side of Cache Creek. 144 Comment
  UCD62795  Pellaea andromedifolia Susan Zhang; Plant Biology 102 students 2008-5-3 5 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
  UCD137582  Pellaea andromedifolia C. B. Heiser Jr. 1947-4-10 1900 Yolo Northwest of Highway 6, about 1 mile north of Rumsey. Comment
  UCD160199  Pellaea mucronata var. mucronata Taylor Blevins 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. 160 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
  SEINET242380 Image available Pennisetum Beecher Crampton T.O. 4192 Yolo UC Davis agronomy experimental area, plant introduction nursery Comment
  RSA0054892  Penstemon Lois Weston 1942-4-24 1181 Yolo Putah can. Comment
  NY583848  Penstemon centranthifolius R. S. Ferris 1917-4-20 715 Yolo Road along Buckeye Creek, 3 miles west of Railroad Comment
  UCD124070  Penstemon centranthifolius Beecher Crampton 1965-4-27 7291 Yolo 3 miles northwest of Dunnigan County Road 86. Comment
  UCD67961  Penstemon centranthifolius Dixie Paussa 1974-5-8 49 Yolo 5 miles North of Capay, 2 miles up a PG and E access road, at the end of road 13, off road 85a. Foothill Woodland area, dominated by Quercus douglasii. Growing in open sun on cow trail, west facing slope, side of canyon. On clay soil. Comment
  UCD70200  Penstemon laetus subsp. sagittatus D. Sanchez-Mata 1998-6-24 s.n. Yolo Rumsey. Cache Creek Ridge. Cache Creek Canyon Regional Park. Shrubland plant communities on basaltic rocky slopes and talus. 170 Comment
  UCD41097  Perideridia N. Nicola 2003-6-24 377 Yolo Eastern Foothills. Capay Valley. Hwy 16, Rd 70, Murphy property. 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
  UCD99737  Persicaria maculosa W. T. Pope 1916-8-1 s.n. Yolo West Sacramento. Comment
  UCD143965  Persicaria punctata Ellen Dean; T. Starbuck 2013-10-26 8013 Yolo East of the town of Winters and just east of Hwy 505, on north bank of Putah Creek, just south of Yolo Housing Authority housing area. Putah Creek vegetation survey plot YHA 3E. 30 Comment
  RSA638773  Petrorhagia dubia Michael A. Vincent, Ethan H. Freid 1998-4-7 8156 Yolo Above State Rt. 128, 4 miles west of Winters. Comment
  UCD98393  Petrorhagia dubia Michael A. Vincent; Ethan H. Freid 1998-4-7 8156 Yolo above St. Rt. 128, 4 road miles west of winters. Comment
  UCD15910  Petroselinum crispum Leticia Mosqueda 1975-2-2 s.n. Yolo City of Woodland. Obtained from the Mosqueda family (Alicia and Concepcion) at 319 North Walnut Street. Comment
  UCD120337  Phacelia ciliata Shirley L. Cotter 1952-4-27 3456 B Yolo Beside Putah Creek, 1 mile west of Winters. Comment
  UCD160557  Phacelia imbricata Ellen Dean; Craig Thomsen 2015-3-21 8607 Yolo Audubon Bobcat Ranch. Western part of ranch, just north of Hwy 128 and N of Putah Creek. Area E of Bray Canyon at northwest end of large escarpment labeled 'spring' on topo maps. Burned in 2014. 260 Comment
  UCD80980  Phacelia imbricata Angelica Sauceda; Ellen Dean, Clare Loughran 2009-4-26 4 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. 88 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
  JEPS81242  Phacelia marcescens Gregory Lee 1982-6-18 Yolo in greenhouse Davis Comment
  UCD41086  Phacelia tanacetifolia N. Nicola 2003-6-13 343 Yolo Sacramento Valley, UC Davis, west of main campus off Hutchison Rd. Comment
  SACT001694  Phalaris aquatica John Willoughby 1979-8-13 Yolo Fishing access along state Highway 128 about 2.9 miles northwest of the junction of the highway and Pleasants Valley Road, in riparian woodland and adjacent open areas. 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
  UCD81469  Phalaris arundinacea M. Wiesendanger 1927-4-29 s.n. Yolo Davis. Comment
  UCD88337  Phalaris brachystachys Fred Bertetta 1957-5-16 115 Yolo Ca. 5 miles E of Davis. Comment
  UCD88340  Phalaris brachystachys Beecher Crampton 1965-8-18 7487 Yolo 3 miles W of Knight's Landing. Comment
  CDA309  Phalaris caroliniana P. B. Kennedy 1915-4-26 Yolo Outskirts of Davis. 0 Comment
  SEINET11696017  Phalaris coerulescens Unknown 1963-6-4 s.n. Yolo UC Davis Campus, Agronomy Experimental Areas, Forage Crops Nursery Comment
  CAS-BOT-BC265930  Phalaris lemmonii David D. Keck 1946-4-27 5537 Yolo West end of Yolo Causeway between Sacramento and Davis 6 Comment
  HSC10564  Phalaris lemmonii Beecher Crampton 1958-5-19 4826 Yolo Along railroad, Dunnigan Comment
  HSC10565  Phalaris lemmonii Beecher Crampton 1958-5-19 4826 Yolo Along railroad, Dunnigan Comment
  RSA696981  Phalaris lemmonii Keith E. Hoffmaster 1939-4-15 s.n. Yolo Davis Comment
  SBBG115582  Phalaris lemmonii B. Crampton 1953-5-5 1209 Yolo ca. 2.5 mi NE of Davis, Rd 102 Comment
  UCD36178  Phalaris lemmonii Beecher Crampton 1953-3-31 1048 Yolo Madison. Comment
  UCD89001  Phalaris lemmonii P. B. Kennedy 1915-4-26 s.n. Yolo Outskirts of Davis. Comment
  SEINET11696166  Phalaris lemmonii Unknown 1953-3-31 1048 Yolo Madison Comment
  SEINET4691173  Phalaris lemmonii B. Crampton 1953-5-5 1209 Yolo 2.5 miles northeast of Davis, Rd. 102, small depression in alkaline plain Comment
  CAS-BOT-BC250676  Phalaris minor John Thomas Howell; Gordon H. True 1967-6-11 42554 Yolo North of Woodland near Cache Creek Comment
  CDA37112  Phalaris minor CDFA Staff 2004-6-1 s.n. Yolo Rominger Prop., north of County Road 19, east of County Road 92C, west of County Road 94B. 0 Comment
  CDA38771  Phalaris minor G. F. Hrusa 2013-4-16 18513 Yolo Sacramento Valley; Yolo Bypass Wildlife Area Headquarters on Chiles Rd. east of Davis. 7 Comment
  HSC8522  Phalaris minor J. V. Lenz 1947-5-10 Yolo Davis Comment
  SEINET219760 Image available Phalaris minor R. Eichner 1960-5-22 22 Yolo Davis University of California-Davis campus between Titus & Beckett Residence Halls Comment
  UCD21408  Phalaris minor J. Shepard 2001-5-13 457 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 20 yards from Department of Defense fence, thence south about 500 yards on west edge of vernal pool finger. 12 Comment
  UCD89051  Phalaris minor A. A. Beetle 1946-5-1 4711 Yolo Davis 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
  UCD89170  Phalaris minor Beecher Crampton 1966-6-7 s.n. Yolo UC Davis. Agronomy Experimental Area. Plant Introduction Nursery. Comment
  HSC10575  Phalaris paradoxa J. V. Lenz 1947-5-10 Yolo Davis Comment
  HSC10577  Phalaris paradoxa Beecher Crampton 1958-5-20 4829 Yolo County Rd. 27 about 4 mi. S of Woodland. 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
  UCD41032  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
  UCD81598  Phalaris paradoxa Collector Unknown 1925-5-5 s.n. Yolo Causeway. Comment
  UCD89419  Phalaris paradoxa M. Wiesendanger 1927-5-4 658 Yolo Putah Canyon. Comment
  CDA11606  Phoradendron macrophyllum G. F. Hrusa, T. D. Wilfred 1994-1-29 11590 Yolo Putah Creek Riparian Reserve; Along Putah Creek in UC Putah Creek Reserve approx. 1 m W of University airport. Comment
  UC1078783  Phoradendron macrophyllum Job Kuijt 1958-4-20 1507 Yolo 5 mi. n. Guinda (at Cache Creek); Cache Creek Comment
  UC1078898  Phoradendron macrophyllum Lauramay T. Dempster 1957-10-14 1426 Yolo in garden at Davis Davis Comment
  UCR115042  Phoradendron macrophyllum G. Fred Hrusa 1994-1-2 11590 Yolo Sacramento Valley, Along Putah Creek in UC Putah Creek Reserve c. 1 mi west of University Airport 75 Comment
  SEINET5740888 Image available Phoradendron macrophyllum subsp. macrophyllum Franklin Martin, Madelain Martin 1960-1 4 Yolo By Putah Creek, University of California picnic grounds, Davis.; Putah Creek Comment
  CAS-BOT-BC141059  Phoradendron serotinum subsp. macrophyllum G. F. Hrusa 1994-1-29 11590 Yolo Along Putah Creek Reserve approx. 1 m W of University airport 75 Comment
  UCD102187  Phoradendron serotinum subsp. macrophyllum D. H. Hartmann 1941-1-18 s.n. Yolo Near Putah Creek, Davis. Comment
  UCD127891  Phoradendron serotinum subsp. macrophyllum E. Dean 2011-12-6 2769 Yolo City of Davis. UC Davis Campus. Along Storer Mall. 15 Comment
  UCD127925  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
  UCD33888  Phoradendron serotinum subsp. macrophyllum Beecher Crampton 1975-1-20 9103 Yolo Yolo County, Elkhorn Bridge, Hwy. 5 over Sacramento river. Comment
  UCD69399  Phoradendron serotinum subsp. macrophyllum J. Shepard 1997-10-24 s.n. Yolo City of Davis. Along College Park (a street just north of campus). Parasitic epiphyte, blown down onto sidewalk. Comment
  RSA0115714  Phyla nodiflora George K. Helmkamp, Mary Alice Barnes 2013-5-8 20526 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
  UCD125912  Phyla nodiflora A. S. Crafts 1926-7-8 461 Yolo University Farm Campus, Davis. Comment
  UCD161037  Phyla nodiflora Craig Thomsen 2006-6-30 2613 Yolo Camp Haswell. West side of Cache Creek. 144 Comment
  RSA181984  Phyla nodiflora W. L. Jepson 1940-5-17 19930 Yolo W end of Yolo Causeway, 7 mi E of Davis. (Nr. Plumtree, rr. flag sta.) Comment
  UCD125918  Phyla nodiflora Edward J. Hall 1951-5-25 40 Yolo under west end of Yolo Causeway, Comment
  UCD125935  Phyla nodiflora Collector Unknown Date Unknown s.n. Yolo Davis campus. Comment
  SBBG115420  Physalis acutifolia B. Crampton 1994-7-13 10270 Yolo 14th St, Davis Comment
  UCD126739  Physalis acutifolia J. M. Tucker 1962-8-1 3639 Yolo 1101 Ovejas Avenue, Davis. Comment
  SEINET12323492  Physalis ixocarpa Unknown 1966-1 s.n. Yolo Fred Tadlock property just W of deep water channel & ca 0.5 mi N of Southern Pacific RR tracks Comment
  UCD126005  Physalis peruviana Beecher Crampton 1963-9-1 s.n. Yolo UC-Davis Campus; outside Department of Plant Pathology greenhouses. Comment
  CDA36943  Picris echioides CDFA Staff s.n. Yolo Rominger Prop., north of County Road 19, east of County Road 92C, west of County Road 94B. 0 Comment
  UCD41002  Pilularia americana Carol W. Witham 2003-4-11 932 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  SEINET240096  Piptatherum microcarpum E. Smith 338 Yolo UC Davis agronomy experimental area, plant introduction nursery, row B - 42 Comment
  UCD35416  Piptatherum miliaceum Beecher Crampton 1956-7-12 3703 Yolo Davis, banks of Putah Creek. Comment
  UCD89659  Piptatherum miliaceum A. A. Beetle 1942-10-1 1893 Yolo Near Davis. Comment
  UCD89660  Piptatherum miliaceum A. A. Beetle 1944-2-1 s.n. Yolo Campus, UC Davis. Comment
  SEINET242445  Piptatherum miliaceum subsp. thomasii Beecher Crampton 1961-6-30 2223 Yolo UC Davis agronomy experimental area, plant introduction nursery. Comment
  SEINET12216215  Pittosporum tenuifolium Unknown 1950-1 s.n. Yolo Davis, University of California campus Comment
  UCD121070  Plagiobothrys P. B. Kennedy 1915-4-26 s.n. Yolo Davis. Comment
  UC78196  Plagiobothrys bracteatus J. W. Blankinship 1893-4-15 Yolo Cap<ay?> Valley 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
  UCD21254  Plagiobothrys canescens J. Shepard 2000-4-13 137 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. Near entrance road, east of parking lots on the south side. 12 Comment
  UCD82150  Plagiobothrys canescens Jean Shepard 2000-3-24 95 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
  UCD38432  Plagiobothrys canescens Beecher Crampton 1955-4-18 2504 Yolo Yolo County; 2 miles west of Winters. Comment
  UC1278096  Plagiobothrys canescens var. canescens Beecher Crampton 1955-4-11 2479 Yolo ca 7 mi w Davis; Moon Ranch Comment
  UCD168414  Plagiobothrys canescens var. canescens Ellen Dean; M. Hoshovsky 2017-4-18 9330 Yolo Audubon Bobcat Ranch. Lands to the north of Hwy 128. Eastern part of ranch northwest of ranch headquarters; ridge northeast of Rattlesnake Rock. Area has burned three times in the past three years. 286 Comment
  UCD160934  Plagiobothrys fulvus var. campestris J. Shepard 2012-4-7 861 Yolo West of Woodland, Co Rd 16 to Guinda. W on Forest Ave (Co Rd 53) about 1 mi to gate.Continue 1/4 - 1/2 mi past gate. Comment
  UCR119105  Plagiobothrys fulvus var. campestris Beecher Crampton 1955-4-14 2473 Yolo Sacramento Valley, 7 miles west of city of Davis, Moon Ranch 30 Comment
  UCD55492  Plagiobothrys humistratus J. Shepard; E. Dean, B. Rice, P. and R. Unger, B. Salvia 2004-3-28 659 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 40 yd. west of DOD fence, thence south .25 mi. South of posted vernal pool area. 10 Comment
  POM197465  Plagiobothrys leptocladus L. R. Abrams 1928-5-8 12600 Yolo Between Woodland and Davis. Comment
  RSA21597  Plagiobothrys leptocladus C. B. Wolf 1937-3-28 8322 Yolo Sacramento Valley, 6.5 miles south of Woodland. 18 Comment
  RSA589925  Plagiobothrys nothofulvus Michael A. Vincent, Robert M. Rhode 1996-3-30 7255 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16, ca. 2 miles S of Colusa Co. Line. Comment
  UCD120891  Plagiobothrys nothofulvus Edwin A. Crosby 1952-4-12 10 Yolo 2.8 miles west of Winters, on state highway 28. Comment
  UC917322  Plagiobothrys stipitatus J. D. Skoss 1948-5-30 Yolo 3 mi n Davis (county road) Comment
  UCD35741  Plagiobothrys stipitatus Beecher Crampton 1953-3-29 1043 Yolo 1.5 miles north of Davis. Comment
  SEINET12350539  Plagiobothrys stipitatus Unknown 1953-3-29 1043 Yolo 1.5 mi N of Davis Comment
  SEINET5612793 Image available Plagiobothrys stipitatus Unknown 1974-1 11 Yolo California: Yolo County, Davis north of Covell. Thuis cheery little flower was found along side of the road boarding the agricultural area near Woodland. ; Flws. white and showy with yellow centers. Comment
  UCD120989  Plagiobothrys stipitatus Fleur Ng'weno 1989-4-19 DQ 5 Yolo D-Q University County Road 31, 9 mi. west of Davis city center. 29 Comment
  UCD35019  Plagiobothrys stipitatus Beecher Crampton 1998-5-18 10359 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
  CDA9633  Plagiobothrys stipitatus var. micranthus D. G. Kelch 2007-5-18 7 .33 Yolo Yolo Causeway, 0.4 mi E of Levee Rd. / RR crossing. 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
  UCD21276  Plagiobothrys stipitatus var. micranthus J. Shepard 2000-5-1 168 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
  UCD73606  Plagiobothrys stipitatus var. micranthus Ellen Dean; Elizabeth Goebel 2008-4-7 4735 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
  SEINET5732080 Image available Plagiobothrys stipitatus var. micranthus Gerald Pullman 1974-1 52 Yolo Sacramento Causeway, 7 miles east of Davis.; Davis 30 Comment
  UCD121018  Plagiobothrys stipitatus var. micranthus Steven Slagle 1964-4-7 50 Yolo Yolo Bypass, 1 mile north of Causeway. Comment
  UCD144445  Plagiobothrys stipitatus var. stipitatus Carol W. Witham 2003-4-7 876 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD84338  Plagiobothrys stipitatus var. stipitatus Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  RSA0054823  Plantago Keith E. Hoffmaster 1939-4-15 929 Yolo Davis, 1 mi North. Comment
  UCD33657  Plantago Beecher Crampton 1971-5-29 8716 Yolo Yolo County, 1 mile north of Davis (city limits) Comment
  JEPS81236  Plantago elongata L. R. Heckard, and J. C. Hickman 1982-4-7 5832 Yolo about 3 mi se Woodland (at corner of Road 25A and Road 103) Comment
  UCD124419  Plantago elongata W. Russell; J. M. Tucker 1950-3-17 1921 Yolo Highway 99W, about 3 miles northwest of Davis. Comment
  POM181672  Plantago erecta G. Thomas Robbins 1927-3-26 s.n. Yolo Canyon of Putah Creek. Comment
  UC917129  Plantago erecta R. H. Miller 1949-4-3 10 Yolo Putah Canyon Comment
  UCD124461  Plantago erecta R. H. Miller 1949-4-3 10 Yolo Putah Canyon. Comment
  UCD124498  Plantago erecta M. Wiesendanger 1927-4-29 620 Yolo Esparto. Comment
  UCD56728  Plantago erecta Ellen Dean; M. Bibbo 2007-3-23 3420 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
  UCD62864  Plantago erecta Tavis Forrester; Plant Biology 102 students 2008-4-6 3 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
  UCD19301  Platanus X hispanica Terry Reedy 1974-5-18 242 Yolo city of Davis, ca. 1 mi. north of Covell Blvd., along first large irrigation ditch crossing Pole Line Rd, east of Pole Line Rd. 6 Comment
  SEINET8057874 Image available Platycladus orientalis June McCaskill 1963-1 670 Yolo Animal Science building, University of California campus, Davis Comment
  RSA801979  Plectritis ciliosa Keith E. Hoffmaster 1939-4-6 907 Yolo Putah Canyon. Comment
  UCD56748  Plectritis ciliosa Ellen Dean; M. Bibbo 2007-3-23 3440 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
  UCD137576  Plectritis ciliosa Ogden C. Riddle 1942-3-29 20 Yolo across road west of Recreation Beach in Putah Canyon. Comment
  UCD58071  Plectritis congesta subsp. brachystemon Ellen Dean; K. Mawdsley 2007-4-6 3611 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
  UCD62851  Plectritis congesta subsp. brachystemon Michael J. Bower; 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. 100 Comment
  UC999828  Plectritis macrocera S. C. Dyal, A. Carter, E. Crum 1938-5-6 694 Yolo in northern Yolo County northern Yolo County Comment
  UCD48236  Plectritis macrocera Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 19 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
  UCD137600  Plectritis macrocera J. D. Atkin 1952-5-1 1 A Yolo Portuguese Canyon, ca. 1 mile up to Putah Canyon from Recreation Beach. Comment
  UCD147300  Pleuropogon californicus Carol W. Witham 2003-4-11 941 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD90152  Pleuropogon californicus var. californicus Beecher Crampton 1973-4-16 8918 Yolo Saxon S.W. 1 Comment
  UCD39944  Poa D. Summer 1954-5-27 s.n. Yolo UC Davis Campus, Agronomy Experimental Area. Voulnteer in breeders seed of Merion Bluegrass from Beltsville Maryland. Comment
  RSA734401  Poa annua Keith E. Hoffmaster 1946-4-15 1070 Yolo Davis. Comment
  UCD90346  Poa annua Beecher Crampton 1960-3-2 5478 Yolo Yolo County, city of Davis, University of California campus. Comment
  UCD90360  Poa annua P. B. Kaufman 1950-3-20 14 Yolo Davis. UC Davis. Comment
  UCD168426  Poa bulbosa Ellen Dean 2017-3-15 9250 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. Near entrance to Bray Canyon by Hwy 128 entrance to ranch. 45 Comment
  UCD90626  Poa bulbosa Beecher Crampton 1967-4-3 7823 Yolo West Sacramento. Comment
  UCD91922  Poa pratensis L. Y. Leonard 1919-6-1 x 3051 Yolo Davis. Comment
  UCD58023  Poa secunda Ellen Dean; K. Mawdsley 2007-4-6 3562 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
  UCD58040  Poa secunda Ellen Dean; K. Mawdsley 2007-4-6 3579 Yolo Tuleyome Ireland Ranch. In inner coast range, NW of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 450 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
  SEINET11695799  Poa secunda Unknown 1953-3-23 1017 Yolo 6 mi W of Winters, Putah Canyon Comment
  UCD37920  Poa secunda subsp. secunda Beecher Crampton 1962-5-1 6368 Yolo 1.5 miles SW of Saxon Station, Sacramento Northern Railroad, at junction of County Roads 105 and 38. Comment
  UCD91989  Poa sinaica M. Nazir Sankary 1971-5-15 s.n. Yolo Davis. In field near Botany Department greenhouses, UC Davis campus. Comment
  UCD91990  Poa sinaica M. Nazir Sankary 1971-5-15 s.n. Yolo Davis. In field near Botany Department greenhouses, UC Davis campus. Comment
  RSA654046  Pogogyne douglasii Beecher Crampton 1975-5-23 9202 Yolo 1 mile SW of Saxon Station Comment
  UCD125254  Pogogyne douglasii Beecher Crampton 1975-5-23 9202 Yolo 1 mile S.W. of Saxon Station. Comment
  UCD125403  Pogogyne douglasii W. R. Russell; C. B. Heiser 1947-5-3 1908 g Yolo Under Yolo Causeway. Comment
  HSC99334  Pogogyne douglasii subsp. douglasii C. B. Wolf 1928-5-8 2138 Yolo 12 mi. N of Dixon on the Pacific Hwy. Comment
  UCD125417  Pogogyne douglasii subsp. parviflora Collector unknown 1925-3-21 1808 Yolo Causeway. Comment
  UCD125478  Pogogyne zizyphoroides Carol W. Witham 2003-4-7 892 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCR148092  Polycarpon tetraphyllum Beecher Crampton 1989-5-12 10158 Yolo Davis, 1203 Eureka Ave. Comment
  CDA2836  Polygonum arenastrum P. M. Goodwin 1932-5-3 Yolo Davis. 0 Comment
  SEINET3442589  Polygonum arenastrum Goodwin 1932-5-3 Yolo Davis, Davis Comment
  UCD99885  Polygonum argyrocoleon M. Ensign 1943-5-31 349 Yolo University Farm. Comment
  UCD20600  Polygonum aviculare subsp. depressum E. Dean; with M. Bibbo 2002-7-5 1144 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
  UCD100055  Polygonum aviculare subsp. depressum Cynthia Hodges 1982-4-7 6 Yolo 0.5 mi e. Winters, immediately north of Highway 128. 6 Comment
  UCD99955  Polygonum aviculare subsp. depressum Rimo Bacigalupi; L. R. Heckard, C. L. Custer 1965-10-4 9130 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
  UCD99957  Polygonum aviculare subsp. depressum F. H. Bolster 1912-4-1 s.n. Yolo Davis. Comment
  UCR190479  Polygonum lapathifolium George K. Helmkamp, E. A. Helmkamp 2007-9-17 12971 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
  POM181760  Polygonum lapathifolium H. F. Copeland 1925-9-20 562 Yolo Yolo County: W bank of Sacramento River. Comment
  UCD51637  Polypogon interruptus B. A. Madson 1940-5-29 s.n. Yolo Davis. Comment
  UCD84350  Polypogon maritimus Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 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
  POM113069  Polypogon monspeliensis Chas. H. Quibell 1926-08 s.n. Yolo Bed of North Branch of Putah Creek near Davis. 15 Comment
  SACT002042  Polypogon monspeliensis John Willoughby 1976-7-29 Yolo At the fishing access point, in moist ground along Putah Creek riparian woodland. Comment
  UCD21303  Polypogon monspeliensis J. Shepard; Vince Forcella 2000-5-13 244 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, along track to the south in field. 12 Comment
  UCD36112  Polypogon monspeliensis Beecher Crampton 1952-11-1 905 Yolo Yolo County, 1.5 miles north of city of Davis. Comment
  UCD59367  Polypogon monspeliensis Ellen Dean; Kate Mawdsley 2007-6-8 3843 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
  UCD81040  Polypogon monspeliensis Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5584 Yolo city of Woodland. Woodland Regional Park. East side of County Road 102, just south of County Road 25. South side of drainage pond. 9 Comment
  UCD91312  Polypogon monspeliensis K. Esau 1937-5-12 s.n. Yolo Putah Canyon. Comment
  UCD91486  Polypogon viridis M. Wiesendanger 1927-5-4 1580 Yolo Putah Canyon. Comment
  UCD69404  Populus alba J. Shepard 1997-10-24 s.n. Yolo City of Davis, UC Davis Campus, courtyard of Robbins Hall. Very large tree. Comment
  CDA11629  Populus fremontii G. F. Hrusa, T. D. Wilfred 1995-4-12 12065 Yolo Sacramento Valley; Tule Canal immediately E of Sacramento River at Interstate 5 crossing. Comment
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Jun 12 2008
  UCD110620  Populus fremontii subsp. fremontii Cay Collette 1975-4-12 8 Yolo Knight's Landing. Approx. 15' from Sacramento River. 15 Comment
  UCD110627  Populus fremontii subsp. fremontii Lynn B. Hendrix 1962-4-28 30 Yolo UC Davis. Comment
  UCD15640  Populus fremontii subsp. fremontii Rachelle Raymond 1989-5-29 604 Yolo Outside Stebbins Reserve. 121 Comment
  UCD34631  Populus fremontii subsp. fremontii Beecher Crampton 1986-9-23 10077 Yolo Yolo County, Putah Creek south of University airport. Comment
  CAS-BOT-BC445256  Portulaca oleracea Clarence R. Quick 1970-7-3 70 -26 Yolo Merritt Island near Clarksburg Comment
  UCD100111  Portulaca oleracea Morris Halperin 1932-7-18 s.n. Yolo Univ. Farm Campus, Davis. Comment
  UC441346  Potamogeton nodosus J. E. Roadhouse 1907-8-15 2 Yolo Moore Ditch Comment
  CDA19096  Potamogeton pectinatus T. Koschnick 2000-10-2 s.n. Yolo Cottonwood Canal, W of Woodland. Ballooned plant. Fertilizer runoff? 0 Comment
  SEINET3992293 Image available Potamogeton praelongus Unknown 1972-5-27 Yolo Putah Creek, south of Cal Aggie airstrip, University of California at Davis campus. 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
  UCD146709  Proboscidea louisianica subsp. louisianica G. F. Hrusa 1998-7-5 14667 Yolo immediately south of Guinda on Highway 16. 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
  UCD122087  Proboscidea lutea Barry Rice 2006-11-22 BR 061102 Yolo Yolo County. Comment
  SEINET5737703 Image available Prosopis pubescens Shirley C. Tucker 1988-1 28889 Yolo Arboretum, University of California, Davis.; Univ. of California, Davis Comment
  UCD149738  Prunus dulcis Ellen Dean 2014-3-20 s.n. Yolo California, Yolo County, Davis. Backyard of 708 Mulberry Lane. 18 Comment
  SEINET10771534  Prunus persica Stephanie Frischie 2000-9-27 Frischie 89 Yolo Davis Farmers' Market, Davis, CA. Comment
  CAS-BOT-BC357193  Pseudognaphalium luteoalbum Clarence R. Quick 1970-5-31 70 -18 Yolo Merritt Island near Clarksburg Comment
  CAS-BOT-BC357195  Pseudognaphalium luteoalbum Clarence R. Quick 1970-7-3 70 -23 Yolo In yard of Nettie M. Pylman, Merritt Island near Clarksburg Comment
  UCD151018  Pseudognaphalium luteoalbum D. S. Park 2010-5-28 98 Yolo UCD, east of Science Lecture Bldg. 10 Comment
  UCD21196  Pseudognaphalium luteoalbum J. Shepard 2000-2-19 50 Yolo 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. Northeast of parking lot, south of mound of soil behind archery target. 12 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
  RSA654914  Psilocarphus brevissimus Beecher Crampton 1952-11-7 911 Yolo About 3 miles northwest of Davis. Comment
  UCD135264  Psilocarphus brevissimus H. A. Borthwick 1925-5-21 1651 Yolo Causeway. 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
  UCD37917  Psilocarphus brevissimus Beecher Crampton 1962-5-1 6363 Yolo 0.25 mile south of Saxon Station, at junction of County Roads 106 and 38. Comment
  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
  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
  CDA8507  Psilocarphus oregonus University Farm 1925-5-21 1652 Yolo Causeway. 0 Comment
  UCD73726  Psilocarphus tenellus var. globiferus Ayzik Solomeshch 2004-5-23 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  UCD34177  Pterocarya stenoptera Beecher Crampton 1977-8-23 9523 Yolo Yolo County, Davis, Stree tree along 5th street between C and D streets. Comment
  SEINET239036 Image available Puccinellia nuttalliana Beecher Crampton 1978-6-26 9604 Yolo 4 miles SE of Woodland. 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
  UCD92229  Puccinellia simplex Beecher Crampton 1960-3-10 5480 Yolo 2 miles north of Davis. Comment
  UCD92251  Puccinellia simplex R. Tofsrud 1949-4-1 s.n. Yolo Near Davis dump. Comment
  UCD56593  Quercus Russell Gripp 1984-11-21 s.n. Yolo 223 Gibson Road. In backyard of Chauncey and Avis Irvine. Comment
  HSC24340  Quercus X morehus J. P. Smith, J. O. Sawyer 1972-2-20 5067 Yolo 3 mi E of Solano Co. line along Putah Creek Comment
  UCD162951  Quercus berberidifolia Craig Thomsen 2006-6-13 2669 Yolo 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
  UCD164519  Quercus berberidifolia Craig D. Thomsen 2006-8-16 2706 Yolo Camp Haswell County Park. 182 Comment
  UCD45212  Quercus berberidifolia Don K. Sexton 1955-10-16 s.n. Yolo (appears to be form of southern California islands, approaching Q. macdonaldi Green). By railroad signal across from trailer court along Old Davis Highway (Olive Road). Davis, Yolo County, California Comment
  UCD72435  Quercus berberidifolia Ellen Dean 2008-4-25 4860 Yolo Tuleyome Ireland Ranch, central part of ranch, near east end of path that has been cut into chaparral to access southwest part of ranch. 617 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
  RSA589917  Quercus douglasii Michael A. Vincent, Robert Rhode 1996-3-30 7268 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16 , ca. 2 miles S of Colusa Co. Line. Comment
  UC993155  Quercus douglasii J. M. Tucker 1948-9-22 1870 Yolo 1.3 mi w Guinda Comment
  UC993157  Quercus douglasii J. M. Tucker 1948-9-22 1870 Yolo 1.3 mi w Guinda Comment
  UCD45649  Quercus douglasii D. Q. Cavagnaro 1963-10-18 222 Yolo Beside road across fence from apricot orchard. Elevation 50 feet; 2 miles west of Winters, Yolo County, California. 15 Comment
  UCD45763  Quercus douglasii Beecher Crampton 1968-8-6 8340 Yolo 3 miles west of Winters, along State Hwy. 128. Comment
  UCD20529  Quercus lobata A. Torres-L. (atl) 1983-7-29 s.n. Yolo Yolo County, UC Davis Campus, about 45 degrees to the North of Mrak Hall, from a tree in a group of Quercus. Comment
  UCD46790  Quercus lobata H. B. Nidever 1951-5-19 40 Yolo 4 miles south of Woodland, near dry creek bed, Yolo County, California. Comment
  UCD81458  Quercus lobata M. Wiesendanger 1927-5-4 637 Yolo Putah Canyon. Comment
  SEINET13953541 Image available Quercus lobata Eilif Dahl 1962-1 Yolo Davis Comment
  UCD46873  Quercus lobata K. Esau 1932-3-13 s.n. Yolo Putah. Comment
  UCD47276  Quercus shumardii Don K. Sexton 1955-10-16 s.n. Yolo Interstate 80, Highway 40, along railroad tracks just north of Davis, California, near Armco plant. Comment
  UC1228171  Rafinesquia californica Beecher Crampton 1961-5-22 5875 Yolo 5 mi w Winters (along Calif Hwy 128) Comment
  UCD160157  Ranunculus aquatilis var. diffusus Aaron Goodman 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
  UCD95802  Ranunculus canus H. T. Hartmann 1942-3-30 s.n. Yolo 5 miles east of Winters. Comment
  UC118267  Ranunculus canus var. canus J. W. B. 1893-3-8 Yolo Woodland Comment
  UC118242  Ranunculus hebecarpus J. W. Blankinship 1893-4-15 Yolo Madison Comment
  UCD96136  Ranunculus hebecarpus Rolf Y. Berg 1964-3-14 8010 Yolo State Highway 16, 2.5 miles northwest of Rumsey. Comment
  UCD96142  Ranunculus hebecarpus R. B. Griffith 1949-4-11 17 Yolo east of Cache Creek, 5.5 miles north of Rumsey. Comment
  SEINET215114  Ranunculus occidentalis A. Sutherland 1963-2-20 3 Yolo CA Hwy 128 ca 10 mi E of boat landing on Lake Berryessa Comment
  SEINET5338813  Ranunculus occidentalis G. Cook 1959-3-28 2 Yolo Collected 2 miles west of Davis. In a meadow on the right side of Highway 128 14 Comment
  UCD80917  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
  SEINET10735196  Raphanus sativus Stephanie Frischie 2000-10-7 Frischie 102 Yolo Davis Farmers' Market, Davis, CA. Comment
  UCR237590  Raphanus sativus George K. Helmkamp, E. A. Helmkamp 2012-3-9 18615 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 17 Comment
  CDA16211  Raphanus sativus G. F. Hrusa 1999-4-25 15025 Yolo Sacramento Valley; Roadside at I-5 exit to River Rd., +- 3-4 mi S of Woodland on W side. 0 Comment
  SEINET11261085  Raphanus sativus Larry Reynolds 1984-5-5 3 Yolo Putah Creek at Pedrick Raod.; 0 Comment
  UCD115171  Raphanus sativus Beecher Crampton 1953-4-27 s.n. Yolo 3 miles west of Winters. Comment
  UCD124695  Rhamnus davurica John M. Tucker 1981-5-19 4455 Yolo California, Yolo Co.; University of California, Davis, Dept. of Environmental Horticulture shrub block; Comment
  UCD160562  Rhamnus ilicifolia Ellen Dean; Craig Thomsen 2015-3-21 8611 Yolo Audubon Bobcat Ranch. Western part of ranch, just north of Hwy 128 and N of Putah Creek. Area E of Bray Canyon at northwest end of large escarpment labeled 'spring' on topo maps. Burned in 2014. 243 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
  SEINET8042208  Rhus aromatica R. R. Halse 2010-3-21 7831 Yolo Along State Hwy 16, ca 7.6 miles S of its junction with State Hwy. 20 or 5.7 miles northwest of Rumsey. 180 Comment
  UC449687  Rhus trilobata W. P. Taylor 1912-6-26 Yolo Rumsey Comment
  UCD168418  Rigiopappus leptocladus Ellen Dean; M. Hoshovsky 2017-4-18 9331 Yolo Audubon Bobcat Ranch. Lands to the north of Hwy 128. Eastern part of ranch northwest of ranch headquarters; ridge northeast of Rattlesnake Rock. Area has burned three times in the past three years. 264 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
  UCD96086  Romneya coulteri C. P. Pease 1995-6-3 s.n. Yolo City of Davis, east of UC Davis campus; next to Experimental College Gardens. 16 Comment
  CAS-BOT-BC74442  Rorippa curvisiliqua Roxana S. Ferris 1917-4-20 696 Yolo Tule land near Dunnigan. Comment
  CAS-BOT-BC147395  Rosa californica Beecher Crampton 1986-9-8 10071 Yolo Sacramento River, 3.5 miles north of Elkhorn Comment
  UCD113413  Rosa californica Carole Eastman 1976-6-9 s.n. Yolo At land willow stand on left side of Road 31, just before approaching DQU entrance road. Comment
  UCD34651  Rosa californica Beecher Crampton 1987-4-25 10095 Yolo Solano County border, Mace road crossing of south fork of Putah Creek, ca. 3 miles SE of Davis. Comment
  UCR146299  Rosa californica Beecher Crampton 1987-4-25 10095 Yolo Sacramento Valley, Yolo / Solano County border, Mace Blvd. crossing of south fork of Putah Creek, c. 3 mi SE of Davis 9 Comment
  CAS-BOT-BC146874  Rosa rubiginosa Beecher Crampton 1986-11-5 10078 Yolo Solano County border, ca. 3 miles S.E. of Davis, Mace road crossing at south fork of Putah Creek Comment
  UCD21529  Rostraria cristata Joe DiTomaso 2003-4-23 s.n. Yolo west of Winters, off Road 87. Comment
  UCD32889  Rostraria cristata Beecher Crampton 1965-4-27 7298 Yolo Yolo County, 3 miles N.W. of Dunnigan, County road between forks of Buckeye Creek, 14.5 miles N. Capay. Comment
  UCD36592  Rostraria cristata Beecher Crampton 1955-5-5 2745 Yolo Yolo County, 6 miles west of city of Winters, Monticello Road, at Recreation Beach along Putah Creek. Comment
  UCD92277  Rostraria cristata Beecher Crampton 1955-5-5 2745 Yolo along Putah Creek, Recreation Beach, 9 miles west of city of Winters, Vaca Mtns. Comment
  UCD92309  Rostraria cristata R. Tofsrud 1949-5-1 s.n. Yolo ca. 3 miles west of Winters. Comment
  UCD113997  Rubus ursinus Ellen Dean; Kate Mawdsley 2007-6-8 3867 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. Southeastern quadrant of ranch Crooker Springs, and drainage leading upsream from it. 337 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
  UCD81034  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
  SEINET5728116 Image available Rumex crispus Lorraine Perry 1967-1 24 Yolo Putah Creek, near Woodland Freeway.; Davis 15 Comment
  UCR198248  Rumex dentatus Dean Kelch 2007-5-18 07 .328 Yolo Yolo Causeway, 0.4 mi east of Levee Road/RR Crossing 4 Comment
  UCD100939  Rumex dentatus Robert E. Preston 1994-8-13 679 Yolo ca. 2 mi n of Davis, on ne corner of the jct of County Rds 29 and 100A. 14 Comment
  UCD62875  Rumex salicifolius Chris Mosser; Plant Biology 102 students 2008-5-3 5 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. Found on west-facing slope on the east bank of Bray Creek. 100 Comment
  UCD81061  Rumex stenophyllus Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5595 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
  UCSB31252  Sabal texana Vernon I. Cheadle 1958-8-13 G 513 Yolo collected in the Botany Department Greenhouse of the University of California, Davis Botany Dept. Greenhouse Comment
  CDA19779  Saccharum ravennae J. Chesi 2001-8-11 s.n. Yolo Northern California; Route 16 mile marker 3.22, E side of road in water seepage area along Cache Creek. 6-7 ft tall, common in area. 0 Comment
  UCD138025  Sagittaria longiloba R. N. Raynor 1943-9-1 s.n. Yolo Knights' Landing. Comment
  CHSC79155  Salicornia subterminalis B. Crampton 1952-11-4 908 Yolo About 1.5 miles east of Woodland. Comment
  UCD39828  Salix babylonica Beecher Crampton 1986-9-9 s.n. Yolo City of Davis, NE corner of Oak and 8th street. Comment
  UCD41073  Salix babylonica Carol W. Witham 2003-8-8 1004 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  CHSC9582  Salix breweri E. L. Smith 1971-4-29 956 Yolo Ca. 12.8 km w of Winters. In Putah Creek Canyon about 2 km below Monicello Dam. 76 Comment
  SBBG34168  Salix breweri E. L. Smith 1967-5-7 Yolo Putah Crk Cyn, 7 mi W of Winters 76 Comment
  UCR19793  Salix breweri Mike McCloskey 1974-7-4 s.n. Yolo 8 mi west of Winters along Putah Creek Comment
  CDA12889  Salix exigua G. F. Hrusa 1996-3-25 12695 Yolo Central Valley; S bank of Tule Canal, approx. 1/2 mile E of Interstate 5 on S side of Yolo Bypass. Comment
  CDA12890  Salix exigua G. F. Hrusa 1996-3-25 12696 Yolo Central Valley; S bank of Tule Canal, approx. 1/2 mile E of Interstate 5 on S side of Yolo Bypass. Comment
  CDA12893  Salix exigua G. F. Hrusa 1996-3-25 12699 Yolo Central Valley; S bank of Tule Canal, approx. 1/2 mile E of Interstate 5 on S side of Yolo Bypass. Comment
  UCD110933  Salix exigua P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co. Clarksburg -- Sacramento River. Comment
  UCD15079  Salix exigua Steven E. Smith 1977-4-15 12 Yolo Yolo Co.; U.C. Davis, on the north bank of the South Fork of Putah Creek (1/4 mile) east of Old Davis Road, 1.3 miles south of Mrak Hall; 15 Comment
  UCR146300  Salix exigua Beecher Crampton 1987-3-31 10091 Yolo 6.5 mi west of Winters along Putah Creek Comment
  UCR237582  Salix exigua George K. Helmkamp, E. A. Helmkamp 2012-3-9 18611 Yolo Sacramento Valley, East Main Street (Co. Rd. 22), Woodland (parallel to I-5), 1.7 mile west of the Sacramento River 7 Comment
  UCD22644  Salix exigua var. stenophylla Joseph Laferriere 1982-5-7 42 Yolo Alpha Phi Omega picnic grounds, south of UC Davis airport on Putah Creek. 12 Comment
  CAS-BOT-BC104026  Salix gooddingii C. F. B. 1903-5-7 2936 Yolo Rumsey Comment
  POM167013  Salix gooddingii C. F. Baker 1903-5-7 2936 Yolo Rumsey. Comment
  UCD110960  Salix gooddingii G. F. Hrusa 1996-3-25 12697 Yolo S bank of Tule Canal, approx. 1/2 mile E of Interstate 5 on S side of Yolo Bypass. 30 Comment
  UCD80934  Salix gooddingii Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5337 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. SE corner of drainage pond near old rodeo area. 9 Comment
  UCR235435  Salix gooddingii George K. Helmkamp, E. A. Helmkamp 2012-4-17 18783 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
  SEINET4855857  Salix gooddingii var. variabilis Carl F. Baker 1903-5-7 2936 Yolo Rumsey. Comment
  UCD111121  Salix laevigata Charles B. Heiser Jr. 1947-4-4 1894 Yolo Along Putah Creek, campus, Davis. 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
  UCD164522  Salix laevigata Craig D. Thomsen 2006-8-16 2709 Yolo Camp Haswell County Park, Pocket Gulch near entry. 137 Comment
  CAS-BOT-BC227866  Salix lasiandra Beecher Crampton 1986-9-3 10062 Yolo 4 miles N.W. of Davis, Willow Slough and road 99 Comment
  UCD34616  Salix lasiandra var. lasiandra Beecher Crampton 1986-9-3 10063 a Yolo Yolo County, 4.5 miles north of Davis, Willow Slough and road 27. 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
  CAS-BOT-BC228571  Salix lasiolepis Beecher Crampton 1986-9-8 10069 Yolo Sacramento River, 3.5 miles north of Elkhorn Comment
  RSA794004  Salix lasiolepis George K. Helmkamp, E. A. Helmkamp 2012-3-9 18609 Yolo East Main Street (Co. Rd. 22), Woodland (parallel to I-5), 1.7 mile west of the Sacramento River 7 Comment
  UCD33987  Salix lasiolepis Beecher Crampton 1975-6-24 9227 Yolo Yolo County, Putah Creek Canyon, 6.5 miles west of Winters. 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
  UCD34622  Salix lasiolepis Beecher Crampton 1986-9-8 10068 Yolo Yolo County, Sacramento River, 3.5 miles north of Elkhorn, sandy flat. Comment
  UCD34642  Salix lasiolepis Beecher Crampton 1987-3-31 10087 Yolo Yolo County, 6.5 miles west of Winters along Putah Creek. Comment
  UCR237584  Salix lasiolepis George K. Helmkamp, E. A. Helmkamp 2012-3-9 18609 Yolo Sacramento Valley, East Main Street (Co. Rd. 22), Woodland (parallel to I-5), 1.7 mile west of the Sacramento River 7 Comment
  CAS-BOT-BC403784  Salpichroa origanifolia Q. L. Holdeman 1970-6-12 s.n. Yolo N.W. corner of 5th & G Streets, Davis Comment
  UCD126789  Salpichroa origanifolia Q. L. Holdeman 1970-6-12 s.n. Yolo Davis, northwest corner of 5th and G Streets. Comment
  UCD162399  Salpichroa origanifolia R. N. Raynor 1937-9-10 s.n Yolo Davis. Comment
  UCD162400  Salpichroa origanifolia Q. L. Holdeman 1970-6-12 s.n. Yolo Davis, northwest corner of 5th and G streets. Comment
  UCD38302  Salpichroa rhomboidea Beecher Crampton 1953-11-30 1741 Yolo UC Davis. Comment
  UC735747  Salsola tragus Charles B. Heiser Jr 1947-7-18 1963 Yolo Davis Comment
  UCD21347  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
  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
  UCD15597  Sambucus mexicana Lisa Montany 1985-5-1 11 Yolo North bank of Putah Creek, approx. 0.25 miles west of Rd 98. 21 Comment
  UCD22633  Sambucus mexicana Joseph Laferriere 1982-5-7 29 Yolo Alpha Phi Omega picnic ground on Putah Creek south of UCD airport, 2 miles west of Davis. 19 Comment
  CAS-BOT-BC245831  Sambucus nigra subsp. caerulea Clarence R. Quick 1971-4-20 71 -35 Yolo Pylman-Quick garden, Merritt Island, near Clarksburg Comment
  UCD13193  Sambucus nigra subsp. caerulea Steven Scardaci 1976-4-28 26 Yolo Davis. 100 ft from the intersection of Russell Blvd. and La Rue Rd. Comment
  UCD137197  Sambucus nigra subsp. caerulea P. B. Kaufman 1950-5-9 38 Yolo Arboretum, University of California campus, Davis. Comment
  UCD137233  Sambucus nigra subsp. caerulea L. P. Thibault 1995-5-16 35 Yolo north Davis Farm Road, Davis. 15 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
  CAS-BOT-BC227677  Sanguisorba Don Sexton 1963-5-24 s.n. Yolo Unspecified Comment
  UCD127643  Sanicula bipinnata Beecher Crampton 1978-3-16 9545 Yolo 2 miles west of Winters. Comment
  CDA38529  Sanicula bipinnatifida T. C. Fuller 1962-3-27 7888 Yolo Putah Creek Canyon, road to Monticello Dam, 4 miles east of Winters. 0 Comment
  SEINET5744983 Image available Sanicula bipinnatifida Janet Hudson 1966-1 6 Yolo Up small canyon off road; State Hwy 128, ca. 3 miles W of Winters.; Winters Comment
  UCD127983  Sanicula crassicaulis Cherry Kline 1964-3-21 4 Yolo Cache Creek Canyon, State Highway 16, north of Rumsey. Comment
  UCD65960  Schedonorus arundinaceus P. Stern 1988-5-21 14 Yolo Davis. Riparian area in greenbelt north of 'F' and Covell Sts. 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
  UCD149345  Schoenoplectus americanus Collector Unknown 1925-6-1 s.n. Yolo Causeway. 4 Comment
  POM219530  Schoenoplectus maritimus H. F. Copeland 1926-5-4 570 Yolo Near Davis Comment
  UCD142967  Schoenoplectus pungens var. longispicatus Ellen Dean; K. MacMillen 2013-8-9 7940 Yolo Downstream of Monticello Dam along Hwy 128, north side of Putah Creek in Putah Creek Vegetation Survey Plot INT3D. 45 Comment
  SEINET215189  Scirpus acutus B. Hess 1973-5-22 41 Yolo .5 mi E of Knights Landing on Hwy 116 Comment
  SEINET4891377  Sclerochloa dura R. B. Rollins 1997-5-8 s.n. Yolo North of Davis, along County Road 29, 0.25 road miles west of the intersection with Route 113, at Davis Golf Course. South of Road 29 in fairways . 15 Comment
  UC444895  Scrophularia californica Francis Ramaley 1917-1-1 11315 Yolo 8 mi w Winters Comment
  UCD124855  Scrophularia californica Collector Unknown 1925-5-22 1932 Yolo Putah Creek, Campus, Davis. Comment
  UC936068  Secale G. L. Stebbins Jr. 1950-8-13 Yolo Davis Comment
  UCD92557  Secale cereale Madson 1919-3-6 s.n. 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
  UCD135826  Senecio vulgaris Ogden C. Riddle 1942-3-1 1 Yolo near greenhouses, Davis campus. Comment
  UCD159328  Senecio vulgaris D. S. Park; J. Perez 2010-4-10 18 Yolo Yolo County.: UC Davis campus, lawn. Comment
  UCD20792  Senecio vulgaris N. Nicola 2001-3-14 008 Yolo Sacramento Valley, 4 miles west of Woodland, at Cache Creek Nature Preserve, riparian zone of Cache Creek. Comment
  UCD135821  Senecio vulgaris P. B. Kaufman 1950-3-18 8 Yolo Davis. UC 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
  SEINET11268178  Sesbania punicea Barry Rice 2004-6-2 s.n. Yolo In the city of Davis.; 0 Comment
  UCD108492  Sesbania punicea Barry Rice 2004-6-2 BR 040601 Yolo Davis. Comment
  UCD19375  Sesbania punicea E. Dean 2001-8-1 880 Yolo City of Davis. 2550 Sycamore Lane, Dos Pinos Housing Cooperative, courtyard of unit 3B. 15 Comment
  UC2061695  Sesuvium verrucosum Ellen Dean, C. Robbins 2013-8-28 7990 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. Comment
  UCD92583  Setaria parviflora Beecher Crampton 1965-7-27 7474 Yolo 2.5 miles N.N.W. of Davis on US Hwy. 99. Comment
  UCD92621  Setaria parviflora Arthur M. Shapiro 1982-8-31 s.n. Yolo UCD campus, edge of bike path near Ryerson Hall just east of La Rue Road. Comment
  CHSC46053  Setaria pumila June McCaskill; Katherine Onaga 1962-8-9 657 Yolo Along ditch at north side of road; County Road 31, .3 mile east of junction with U.S. Highway 99W (Alternate 40). Comment
  UCD36452  Setaria pumila Beecher Crampton 1953-8-26 1613 Yolo Yolo County, city of Davis, University of California campus. Comment
  UCD92697  Setaria pumila Beecher Crampton 1953-8-27 1615 Yolo city of Davis, Davis High School. Comment
  UCD92701  Setaria pumila Beecher Crampton 1955-9-29 3163 Yolo 1.5 north of city of Davis, along U.S. Highway 99W. Comment
  UCD92706  Setaria pumila Beecher Crampton 1961-7-21 5938 Yolo 2.5 miles northwest of city of Davis, along County Road 99. Comment
  SBBG115906  Setaria verticillata B. Crampton 1961-7-14 5930 Yolo city of Davis Comment
  UCD32794  Setaria verticillata Beecher Crampton 1954-9-9 2269 Yolo Yolo County, 2 miles north of Davis, bean field. Comment
  UCD32822  Setaria verticillata Beecher Crampton 1964-8-3 7137 Yolo Yolo County, Davis. Comment
  UCD37705  Setaria verticillata Beecher Crampton 1961-7-14 5930 Yolo Yolo County, city of Davis. Comment
  UCD92812  Setaria verticillata Beecher Crampton 1954-9-9 2269 Yolo 2 miles north of Davis, bean field. Comment
  UCR119096  Setaria verticillata Beecher Crampton 1954-9-9 2269 Yolo Sacramento Valley, 2 miles north of Davis. 15 Comment
  UCD37496  Setaria viridis Beecher Crampton 1960-9-21 5779 Yolo Yolo County, city of Davis, University of California Agronomy Plots. Comment
  UCD37707  Setaria viridis Beecher Crampton 1961-7-21 5937 Yolo Yolo County, city of Davis, University of California campus, Pomology Department orchards. Comment
  UCD92832  Setaria viridis Beecher Crampton 1955-7-29 3130 Yolo west of the gymnasium, UC Davis Campus. Comment
  UCD92852  Setaria viridis August L. Hormay Date unknown s.n. Yolo Davis. UC campus. Comment
  POM61852  Sidalcea diploscypha A. A. Heller, H. E. Brown 1902-4-29 9183 Yolo Near Madison. Comment
  UCD116610  Sidalcea diploscypha H. A. Borthwick 1925-5-25 1819 Yolo Putah Canyon. Comment
  SBBG115639  Sidalcea diploscypha B. Crampton 1955-5-12 2771 Yolo Moon Ranch, 7.5 mi W of city of Davis 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
  UCD147028  Sidalcea keckii Robert E. Preston 2012-5-16 2874 a Yolo 6.6 mi SW of Dunnigan, in Wood Canyon. 175 Comment
  UCD73677  Sidalcea keckii 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
  UC75046  Silene californica C. F. Baker 1903-5-8 2978 Yolo along banks Cache Creek Canyon Cache Creek Canyon Comment
  UCD62849  Silene gallica Michael J. Bower; Plant Biology 102 students 2008-4-6 5 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. 100 Comment
  UCR207829  Silene gallica George K. Helmkamp, E. A. Helmkamp 2009-3-24 14449 Yolo Inner North Coast Range, along CA-128, 6.1 miles west of Winters and beside Putah Creek 49 Comment
  UCD98689  Silene gallica J. D. Skoss 1948-6-6 30 Yolo Putah Canyon, 8 miles below Yolo-Napa county lines. Comment
  UCD135835  Silybum marianum A. S. Crafts 1926-7-8 451 Yolo University Farm Campus, Davis. Comment
  UCD73651  Sinapis Jean Shepard 2006-4-22 792 Yolo City of Davis. 3100 Loyola Dr. Grounds of Korematsu Elementary School. Comment
  UCD115403  Sinapis alba A. S. Crafts 1926-7-8 441 Yolo Davis, University Farm Campus. Comment
  CAS-BOT-BC74908  Sinapis arvensis John Thomas Howell; Gordon H. True 1974-5-3 50332 Yolo About 7 miles north of Madison. Comment
  UCD38767  Sinapis arvensis Beecher Crampton 1958-1-7 4658 Yolo West Sacramento, Harbor Blvd. and West Capitol Ave. Comment
  UCD80937  Sinapis arvensis Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5340 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
  CAS-BOT-BC74923  Sinapis arvensis W. D. Hamilton 1946-3-6 s.n. Yolo Davis. Comment
  CAS-BOT-BC74924  Sinapis arvensis Mrs. H. C. Cantelow 1936-4-11 1162 Yolo Madison. Comment
  RSA562291  Sinapis arvensis D. Charlton 1990-3-3 4174 Yolo Southwest of University of California, Davis, frontage road off Highway 80. 15 Comment
  UCD115474  Sisymbrium altissimum P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co. Clarksberg, Sacramento River. Comment
  UCD35649  Sisymbrium altissimum Beecher Crampton 1959-6-11 5352 Yolo West Sacramento, West Capitol Ave. Comment
  UCD63079  Sisymbrium officinale Ellen Dean 2008-4-9 4788 Yolo Tuleyome Ireland Ranch. Central part of Ranch. Head of smaller canyon that is east of main canyon. 649 Comment
  CAS-BOT-BC75300  Sisymbrium officinale W. D. Hamilton 1946-4-20 s.n. Yolo Davis. Comment
  HSC6921  Sisymbrium officinale M. Dole 1963-4-14 69 Yolo 1 mi. S of Hwy. 40 on Rd. 105 Comment
  CHSC24844  Sisyrinchium bellum T. L. Reynolds 1976-4-17 50 Yolo Ca. 200 yds s of Putah Creek and 1.6 mi se of Low Water Bridge, 3.9 mi sw of Winters. Comment
  UC917177  Solanum americanum J. D. Skoss 1948-6-5 17 Yolo University of California campus, Davis, Yolo County, California Comment
  CDA5910  Solanum cardiophyllum T. C. Fuller 1969-8-7 18855 Yolo Veg. Crops Dept., University of California, Davis. 0 Comment
  UCD68077  Solanum carolinense A. M. Shapiro 1996-5-19 s.n. Yolo University of California, Davis, East of Buehler Alumni Center, in daylily border. Comment
  UC735713  Solanum elaeagnifolium Charles B. Heiser Jr. 1946-5-20 1915 Yolo campus of University of California Davis University of California Davis Comment
  UCR118983  Solanum elaeagnifolium Beecher Crampton 1960-10-4 5784 Yolo Sacramento Valley, UC-Davis campus, northeast of Agronomy Warehouse 15 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
  SEINET246028  Solanum elaeagnifolium Beecher Crampton 1960-10-4 5784 Yolo UC-Davis Campus, northeast of Agronomy Warehouse. Comment
  UCD126035  Solanum elaeagnifolium Beecher Crampton 1964-8-2 7136 Yolo 3 miles north of Davis. Comment
  UCD126898  Solanum elaeagnifolium M. Ensign 1943-8-9 s.n. Yolo University Farm. Comment
  UCD126908  Solanum elaeagnifolium H. Sevier 1931-6-24 2233 Yolo Davis. Comment
  UCD38520  Solanum elaeagnifolium Beecher Crampton 1955-8-11 3132 Yolo UC Davis Campus. Comment
  UCD67387  Solanum elaeagnifolium Kara Bolden 1992-6-5 5 Yolo Davis, south roadside of Garod and West Health Science Drive. 16 Comment
  UCD82158  Solanum nigrum J. Shepard 2000-4-21 147 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, then east of parking lots on S side of road. 12 Comment
  UCR141665  Solanum nigrum Gene Miyao 1981-11-12 s.n. Yolo Yolo County 70 Comment
  CDA6235  Solanum nigrum W. Elliott, R. Perkins 1974-10-23 Yolo University of California Vegetable Crops Department, Davis. 0 Comment
  UCD126946  Solanum nigrum Eddy Allan 1976-8-12 s.n. Yolo south of Cache Creek and west of County Road 102, ca. 4 miles northeast of Woodland. Comment
  UCD18447  Solanum nigrum Gene Miyao 1981-11-12 s.n. Yolo Yolo County Comment
  UCD126973  Solanum parishii S. C. Hanson 1949-5-5 14 Yolo Putah Canyon, 3.5 miles west of Winters. Comment
  UCD126984  Solanum parishii M. Phillips 1929-4-30 1973 Yolo Putah Canyon. Comment
  UCD59316  Solanum parishii Ellen Dean; Kate Mawdsley 2007-5-11 3740 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
  UCD81014  Solanum parishii Jose-Luis Rayas; with PLB 102 students 2009-4-26 6 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. East side of Bray Canyon in side canyon near an alkaline spring. 147 Comment
  UCD126997  Solanum physalifolium var. nitidibaccatum Ken Kimball 1982-4-26 s.n. Yolo exact location unknown. Comment
  CHSC79366  Solanum rostratum Beecher Crampton 1955-7-29 3131 Yolo City of Davis, University of California campus. Comment
  NY820804  Solanum rostratum M. H. Nee 1988-8-14 36778 Yolo Campus of University of California, Davis Comment
  NY820805  Solanum rostratum B. Crampton 1955-7-29 3131 Yolo City of Davis, University of California campus, west of sewage disposal site Comment
  SEINET10780200  Solanum tuberosum Stephanie Frischie 2000-10-14 Frischie 147 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET10780201  Solanum tuberosum Stephanie Frischie 2000-10-14 Frischie 146 Yolo Davis Farmers' Market, Davis, CA. Comment
  UC735730  Solanum umbelliferum Charles B. Heiser Jr. 1947-4-10 1902 Yolo about 1 mi n of Rumsey (nw of Highway 16) Comment
  UCD18980  Solanum villosum Gene Miyau 1996-5-1 s.n. Yolo town of Knights Landing, growing in tomato field near wet area. Comment
  UCR244760  Solanum xanti Alexis Fuller, Ellen Dean, Clare Loughran 2011-5-8 07 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
  CDA36935  Sonchus asper 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
  UCD73712  Sonchus oleraceus Ayzik Solomeshch 2004-5-13 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  UCD80915  Sonchus oleraceus Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5319 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
  RSA474123  Sonchus oleraceus Glenn A. Gorelick 1966-5-1 s.n. Yolo 418.5 2nd St, Davis. Comment
  UCD35513  Sonchus oleraceus Beecher Crampton 1957-7-16 4354 Yolo University of California, Davis Campus. In field north of Hunt Hall. Comment
  CDA2477  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
  UC1476881  Sorghum bicolor T. C. Fuller and G. D. Barbe 1979-9-20 2251 Yolo s.w. Woodland (w. of Co. Rd. 95, between co. rds. 25 & 27) Comment
  UCD36832  Sorghum bicolor subsp. drummondii Beecher Crampton 1955-11-11 3211 Yolo City of Davis, University of California campus. Comment
  HSC47814  Sorghum halepense Michael A. Watkins 1978-6-16 24 Yolo At the corner of F. St. and Covell in the city of Davis. Comment
  UCD92765  Sorghum halepense R. Tofsrud 1947-5-8 s.n. Yolo Near Esparto. Comment
  UCR119177  Sorghum halepense Beecher Crampton 1961-6-1 5881 Yolo Sacramento Valley, 1 mile north of the city of Davis. 15 Comment
  UCD108494  Spartium junceum Collector unknown 1925-5-14 s.n. Yolo Davis. Comment
  UCD144789  Spergularia bocconi Carol W. Witham 2003-4-7 875 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 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
  UCD34465  Spergularia bocconi Beecher Crampton 1985-4-10 9909 Yolo Yolo County, 3.5 miles S.E. of Woodland. Comment
  CAS-BOT-BC390253  Spergularia macrotheca var. leucantha A. A. Heller; H. E. Brown 1902-4-30 5423 Yolo Near Black's Comment
  RSA10427  Spergularia macrotheca var. leucantha C. B. Wolf 1928-5-8 214 Yolo Sacramento Valley; 12 miles north of Dixon. 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
  CAS-BOT-BC390315  Spergularia macrotheca var. macrotheca W. D. Hamilton 1946-4-19 s.n. Yolo 4 miles No. of Davis Comment
  UCD73709  Spergularia rubra Ayzik Solomeshch 2004-6-16 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  UCD99299  Spergularia rubra J. D. Skoss 1948-6-5 9 Yolo 3 miles north of Davis, toward Woodland. Comment
  UCD93169  Sporobolus Beecher Crampton 1953-4-1 s.n. Yolo Davis. UC Davis Campus. Comment
  UCD39903  Sporobolus capensis Beecher Crampton 1954-4-13 s.n. Yolo UC Davis campus, Agronomy Divison, greenhouse grown. Comment
  UCD93110  Sporobolus cryptandrus Beecher Crampton 1965-10-8 7536 Yolo 1 mile NE of Woodland, Kentucky Ave. Comment
  SEINET10716742  Sporobolus cryptandrus Crampton 1965-10-8 CRAMPTON 7536 Yolo 1 mile N.E. of Woodland on Kentucky ave. (County rd 20), just west of its junction with County rd. 101. Roadshoulder, nearly bare, assoc. Cynodon. Comment
  UCD93147  Sporobolus indicus Beecher Crampton 1976-8-28 9408 Yolo Davis. Senior High School. 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
  UCR36550  Stachys ajugoides A. C. Sanders 1984-6-18 5056 Yolo Sacramento Valley, Sacramento Bypass near Bryte, just NW of Sacramento, bed of the bypass 1 mi west of the Sacramento River 5 Comment
  RSA446630  Stachys albens Glenn A. Gorelick 1966-5-15 70097 Yolo 5 miles E of Woodland on Hwy 16. Comment
  JEPS84661  Stachys stricta John W. Willoughby 1979-8-13 4416 Yolo 1.2 mi nw Pleasant Valley Road (County Road 86) (fishing access along State Highway 128); Vaca Mountains, Putah Creek 60 Comment
  UCD168398  Stachys stricta Ellen Dean; M. Hoshovsky 2017-4-18 9315 Yolo Audubon Bobcat Ranch. Lands to the north of Hwy 128. Eastern portion of ranch adjacent to ranch headquarters. Area has burned three times in previous three years. 114 Comment
  UCD19422  Stellaria media J. Shepard 2000-2-7 34 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
  UCD80943  Stellaria media Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5346 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
  UCD99391  Stellaria media Morris Halperin 1931-3-7 s.n. Yolo Davis; near Agronomy Greenhouse. Comment
  UCD99447  Stellaria media Collector unknown 1925-3-12 1613 Yolo Davis. Comment
  UCD99458  Stellaria nitens A. A. Beetle 1945-2-22 4185 Yolo Cottonwood Slough, south of Madison. Comment
  SEINET242441  Stipa lessingiana Beecher Crampton 1968-5-1 T.O. 4079 Yolo UC Davis Campus, Agronomy Experimental Area, Plant Introduction Nursery, row O-79 Comment
  HSC13373  Stipa pulchra J. V. Lenz 1947-3-29 Yolo Putah Canyon Comment
  UCR118967  Stipa pulchra Beecher Crampton 1982-3-22 9823 Yolo Sacramento Valley, 5 miles west of Winters on Hwy 128. 61 Comment
  UCR212311  Stipa pulchra Ayzik Solomeshch 2004-5-5 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
  HSC43966  Streptanthus glandulosus Robert M. Specht 1977-4-12 638 Yolo Along Rayhouse Rd. 610 Comment
  UCD34260  Suaeda calceoliformis Beecher Crampton 1978-6-27 9616 Yolo 4 miles S.E. of Woodland. Comment
  UCD34294  Suaeda calceoliformis Beecher Crampton 1978-11-3 9674 Yolo 4 miles s.e. Woodland. Comment
  UCD38275  Suaeda calceoliformis B. Crampton 1952-10-24 875 Yolo Common on alkali flats, 1.5 miles north of Davis. Comment
  UCD81055  Suaeda nigra Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5591 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
  UCD81536  Symphyotrichum chilense W. W. Robbins; W. D. Norton 1927-10-1 s.n. Yolo West of Davis. Comment
  UC1051439  Symphyotrichum subulatum Herbert L. Mason 1955-8-12 14646 Yolo between Winters and Madison Comment
  UCD159496  Symphyotrichum subulatum var. elongatum D. S. Park 2010-8-25 246 Yolo West Sacramento. Growing along E. Main St. between road and railroad. Disturbed. Weedy habitat. 5 Comment
  UCD134154  Symphyotrichum subulatum var. parviflorum Beecher Crampton 1953-9-30 1632 Yolo Knights Landing, Sycamore Slough. Comment
  UC1245157  Symphytum officinale June McCaskill and Katherine Onaga 1961-5-3 618 Yolo in alley behind garage at 648 D Street Davis Comment
  UCD169498  Tagetes lemmonii Willa Pettygrove 2017-11-27 s.n. Yolo City of Davis, N of 5th St., W of intersection with Poleline Rd. Davis Community Gardens. Near center of garden, just N of tool shed. 12 Comment
  UCD15703  Tagetes minuta A. M. Shapiro 1997-10-21 s.n. Yolo city of Davis, UC Davis campus near bike bridge over Hwy 113, N of Experimental College gardens. Comment
  RSA261392  Tamarix parviflora Elaine J. Imada 1971-4-10 6 Yolo Along Cache Creek; State Hwy 16, 2 miles S of the Colusa-Yolo Co line. Comment
  SBBG50817  Tamarix parviflora F. P. Fisher 1960-4-10 5 Yolo State Hwy 16, near scout cabin ca. 2 mi NW of Rumsey 182 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
  UCD15320  Tanacetum ptarmiciflorum Glen Holstein 1996-2-1 s.n. Yolo California, Yolo Co.; city of Davis, along Pacific Drive; Comment
  UC638698  Tetrapteron graciliflorum Ethel Crum 1938-5-7 2006 Yolo 3.5 mi nw Rumsey; Inner North Coast Range, Comanche Hills 213 Comment
  UCR119140  Thlaspi arvense Beecher Crampton 1967-4-19 7832 Yolo Sacramento Valley, Davis, UC campus. 15 Comment
  CAS-BOT-BC88179  Thysanocarpus curvipes Robert F. Hoover 1938-2-22 2765 Yolo Putah Creek Canyon. 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
  UCD115957  Thysanocarpus curvipes Marvin Nies 1951-2-23 3 Yolo 5 miles NW of Rumsey. Comment
  UCD82325  Thysanocarpus curvipes Robin McMaster 1973-4-15 313 Yolo 3 miles NW Rumsey on Hwy 16. 152 Comment
  UC765050  Thysanocarpus laciniatus R. F. Hoover 1938-3-12 2844 Yolo Cache Creek canyon near Rumsey; Cache Creek canyon Comment
  SEINET11173502 Image available Tipuana tipu J. M. Tucker 1962-11-6 3646 Yolo East side of Solano Park Bridge and on south side of old stream channel, arboretum, University of California campus, Davis Comment
  UC917297  Torilis nodosa J. D. Skoss 1948-6-6 26 Yolo Putah Canyon, 2 miles below Yolo-Napa county line Comment
  UCD128185  Torilis nodosa J. D. Skoss 1948-6-6 26 Yolo Putah Canyon, 2 miles below Yolo-Napa county line. Comment
  UCD160026  Torilis nodosa Ellen Dean 2015-4-16 8625 Yolo City of Davis. Sideyard of house on the southwest corner of the intersection of Pine and Harvard streets. 15 Comment
  UCD20536  Torreya californica A. T. Leiser and Ledyard Stebbins 1983-11-5 s.n. Yolo Yolo County, Ray House Rd., Leviathian Mine, N-NE facing slopes. Comment
  UCD136897  Tragopogon porrifolius B. Tanjoco; E. Larimer 2002-4-27 11 Yolo W. of the town of Davis. UC Davis Ecosystem Reserve. N. side of Putah Creek, just W of the UC Davis Landfill on Pedrick Rd. 21 Comment
  UCD142205  Triadica sebifera Barry Meyers-Rice; Elizabeth Salvia 1999-11-27 MR 991102 Yolo North Ponds' in Davis; near the intersections of F Street and Anderson Road. Comment
  UCD149328  Tribulus terrestris Collector Unknown 1925-6-1 s.n. Yolo University of California, Davis. University Farm. 15 Comment
  SEINET10407759 Image available Tribulus terrestris W. R. Russell 1958-5-13 Yolo Weed just west of California Avenue bridge, in University Arboretum, University of Caifornia, Davis Comment
  UCD38956  Tribulus terrestris Beecher Crampton 1961-8-1 5960 Yolo Davis, SP R.R. Station. Comment
  UCR219960  Trichostema lanceolatum Ayzik Solomeshch 2004-6-15 s.n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of the ranch. Grassland restoration and weed contol plots of Emilio Laca and Joe DiTomaso 84 Comment
  RSA699710  Trifolium Keith E. Hoffmaster 1946-4-13 1203 Yolo Putah Canyon. Comment
  UC764661  Trifolium albopurpureum R. F. Hoover 1938-4-23 3187 Yolo Rumsey Comment
  UCD107580  Trifolium albopurpureum Beecher Crampton 1965-4-6 7253 Yolo 2 miles west of Winters. Comment
  UCD35836  Trifolium albopurpureum Beecher Crampton 1965-4-6 7253 Yolo 2 miles west of Winters. Comment
  UCD35898  Trifolium albopurpureum Beecher Crampton 1966-4-20 7659 Yolo 2 miles west of Winters. Comment
  CDA36928  Trifolium ciliolatum CDFA Staff Apr 1997 s.n. Yolo Rominger Prop., north of County Road 19, east of County Road 92C, west of County Road 94B. 0 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
  UCD160466  Trifolium depauperatum Ellen Dean; Craig Thomsen 2015-3-21 8587 Yolo Audubon Bobcat Ranch. Western part of ranch, just north of Hwy 128 and N of Putah Creek. Area E of Bray Canyon near drainages that descend from large escarpment labeled 'spring' on topo maps. 102 Comment
  UCR118891  Trifolium depauperatum var. amplectens Beecher Crampton 1953-4-19 1110 Yolo Sacramento Valley, 1.5 miles north of Davis. 15 Comment
  UC630974  Trifolium depauperatum var. amplectens P. B. Kennedy 1915-4-26 Yolo 5 mi n Alk. belt (outskirts) Comment
  UCD35889  Trifolium depauperatum var. amplectens Beecher Crampton 1966-4-28 7681 Yolo 1 mile southwest of Saxon Station. (site) Comment
  CDA36923  Trifolium depauperatum var. truncatum CDFA Staff 1995-5-1 s.n. Yolo Rominger Prop., north of County Road 19, east of County Road 92C, west of County Road 94B. 0 Comment
  UCD146736  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
  UCD35009  Trifolium depauperatum var. truncatum Beecher Crampton 1998-4-21 10345 Yolo Cca. 3.5 miles SE of Woodland along County Road 102, east of Mavis - Hanson field. Comment
  UCD96997  Trifolium depauperatum var. truncatum Christopher Michael Bronny 2011-4-25 32 Yolo Woodland. Woodland Regional park property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Near southern boundary of property in area previously known as Mavis Henson Field and rented by the Aeromodelers group until winter of 2011). Just north of gravel access road, just south of airplane landing strip, and just west of parking area for Aeromodeler buildings (now removed). 11 Comment
  UCD81015  Trifolium dubium Jose-Luis Rayas; with PLB 102 students 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. Middle reaches of Bray Canyon. 129 Comment
  RSA190723  Trifolium fragiferum R. E. Skaggs 1967-7-30 s.n. Yolo 1113 Alice Street, Davis. Comment
  UCD108894  Trifolium fragiferum Beecher Crampton 1974-6-24 s.n. Yolo UC Davis. Hunt Hall. Comment
  UCD108949  Trifolium fragiferum R. E. Skaggs 1967-7-30 s.n. Yolo 1113 Alice Street, Davis. Comment
  UC631612  Trifolium fucatum P. B. Kennedy 1915-4-26 Yolo Medicago Flats at University Farm Davis Comment
  UCD21384  Trifolium fucatum J. Shepard 2001-3-26 426 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. Growing in the southeast corner of the park; 10 yards west of Department of Defense fence and 20 yards north of Road 36. 12 Comment
  UCD21403  Trifolium fucatum J. Shepard 2001-5-6 447 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). A few yards west of Department of Defense fence, about 200 yards north of County Road 36. 12 Comment
  RSA653957  Trifolium fucatum Beecher Crampton 1966-4-19 7653 Yolo 1/4 mile south of Saxon station site. Comment
  UCD33787  Trifolium fucatum Beecher Crampton 1973-4-16 8915 Yolo 1/4 mile south of Saxon Station. Comment
  UCD109738  Trifolium gracilentum Collector Unknown 1925-5-11 1736 Yolo Davis. Comment
  UCD38426  Trifolium gracilentum Beecher Crampton 1955-4-14 2484 Yolo 2 miles south of Zamora. Comment
  OBI54919  Trifolium gracilentum Kathleen Faustini 1980-4-21 11 Yolo Rd E6 & 32 Comment
  UCD109741  Trifolium gracilentum C. P. Dutt 1928-4-10 s.n. Yolo Davis. Armstrong Ranch. Comment
  UCD35786  Trifolium gracilentum Beecher Crampton 1962-4-23 6235 Yolo Woodland at S.P. R.R. station. Comment
  UCD21385  Trifolium gracilentum var. gracilentum J. Shepard 2001-3-26 427 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 0.3 miles on County Road 36. Then, 50 yards north into field. 12 Comment
  UCD149375  Trifolium hirtum Dick Bloom 1952-5-1 s.n. Yolo City of Guinda. 191 Comment
  UCD58043  Trifolium hirtum Ellen Dean; K. Mawdsley 2007-4-6 3582 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. 476 Comment
  OBI54921  Trifolium hirtum Kathleen Faustini 1980-4-21 13 Yolo E6 & Rd 32 Comment
  RSA636080  Trifolium hirtum Robert M. Rhode, Barbara Nemeth 1998-5-13 183 Yolo In the vicinity of Guinda; west of the intersection of State Highway #16 and County Road #53, on County Rd. #53. 0.5-1.0 km west of gate on County Rd. #53 at roadside. Comment
  UCD41021  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
  UCD40997  Trifolium hydrophilum Carol W. Witham 2003-4-11 927 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD59322  Trifolium microcephalum Ellen Dean; Kate Mawdsley 2007-5-11 3746 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
  UCD56704  Trifolium oliganthum Ellen Dean; M. Bibbo 2007-3-23 3397 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
  UCD36186  Trifolium olivaceum Beecher Crampton 1953-4-9 1062 Yolo 3 miles west of city of Winters. Comment
  UCD33044  Trifolium olivaceum Beecher Crampton 1966-4-6 7637 Yolo 2 miles W of Winters. Comment
  UCD33154  Trifolium olivaceum Beecher Crampton 1967-4-12 7828 Yolo 2 miles W of Winters. Comment
  UCR152422  Trifolium stenophyllum Beecher Crampton 1967-5-3 7853 Yolo Sacramento Valley, 2 miles west of Winters. 46 Comment
  UCSC011135  Trifolium stenophyllum R. Morgan 2015-4-12 6745 Yolo Occasionally in native field at Tule Ranch 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
  SEINET12170816  Trifolium tridentatum Unknown 1971-4-14 8673 Yolo 2 mi W of Winters on County Road 87 Comment
  SEINET240469  Trifolium tridentatum Beecher Crampton 1962-4-26 2776 Yolo UC Davis agronomy experimental area. 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
  UCD35739  Trifolium variegatum var. major Beecher Crampton 1953-3-31 1046 Yolo Madison. Comment
  UC630790  Trifolium variegatum var. melananthum P. B. Kennedy 1915-4-26 Yolo Davis Comment
  CHSC79319  Trifolium willdenovii Beecher Crampton 1978-5-8 9576 Yolo 1/4 mile south of Saxon Station. Comment
  UCD56771  Trifolium willdenovii Ellen Dean; M. Bibbo 2007-3-23 3463 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. 619 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
  CAS-BOT-BC228544  Trifolium willdenovii Beecher Crampton 1971-4-21 8676 Yolo 6 miles W.N.W. of Davis, county road 96 between county roads 30 and 31 Comment
  OBI60000  Trifolium willdenovii Joseph Anderofer Ewan 1934-3-18 8684 Yolo Side cyn of Putab Crk 8 mi above Winters 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
  UCD19493  Trifolium willdenovii Terry Reedy 1974-5-5 199 Yolo city of Davis, 5th street and Pole Line Road., northeast corner. 21 Comment
  UCD138195  Triglochin scilloides K. Esau; M. Phillips 1929-4-11 1893 Yolo Davis. Comment
  UCD41142  Triodanis biflora N. Nicola 2002-5-16 220 Yolo Eastern foothills of inner north coast range, Capay Valley. About 0.4 miles as the crow flies west of Guinda. Comment
  UCD23186  Triphysaria eriantha A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCD146941  Triphysaria eriantha subsp. eriantha Carol W. Witham 2003-4-7 874 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 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
  UCD55488  Triteleia hyacinthina J. Shepard; E. Dean, B. Rice, P. and R. Unger, B. Salvia 2004-3-28 647 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 20 yd. 10 Comment
  CHSC59841  Triteleia laxa Linda A. Bell 1975-4-15 24 Yolo State Highway 128, 2 miles north of junction with Pleasants Valley Road. 56 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
  UCD73246  Triteleia laxa Ellen Dean; Susan Xhang, Christa Lindsey, Chris Mosser 2008-4-17 4830 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. 77 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
  UCD93330  Triticum Beecher Crampton 1961-5-17 5872 Yolo 3 miles S of Woodland. Comment
  RSA562697  Triticum aestivum D. Charlton 1990-3-6 4156 Yolo SW of UC Davis, frontage RD off HWY 80 15 Comment
  UCD93313  Triticum aestivum Beecher Crampton 1961-6-1 5894 Yolo 3 miles S of Woodland. Comment
  UCD93324  Triticum aestivum Beecher Crampton 1961-6-1 5892 Yolo 3 miles S of Woodland. Comment
  UCD93308  Triticum turgidum Beecher Crampton 1961-6-1 5889 Yolo 3 miles S of Woodland. Comment
  UCD169965  Typha angustifolia Bonnie Hagstrom 1984-5-25 26 Yolo 4.6 miles east of Winters on Road 32, on the north side of the road. Comment