Search Results — 2000 specimen records retrieved (1378 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
  UCD41096  Abelia X grandiflora N. Nicola 2003-6-23 374 Yolo Base of foothill of inner North coast range, Capay Valley; North of Capay off Rd. 15B, Good Humus Farm. Comment
  SFV12411  Abutilon theophrasti D. L. Koutnik, J. Sowell 1978-10-27 578 Yolo Sacramento Valley Along dirt road 1 mile south of Putah Creek, east of County Road 106 and west of Yolo Causeway. 6 Comment
  UCD116167  Abutilon theophrasti Beecher Crampton 1976-8-9 9407 Yolo Road 29 W of Hwy. 113. Comment
  CAS-BOT-BC331641  Acer macrophyllum C. F. Baker 1903-5-8 2981 Yolo Cache Creek canon Comment
  UCD117012  Acer macrophyllum K. Esau 1936-3-27 s.n. Yolo Putah Canyon. Comment
  UCD117061  Acer macrophyllum M. Wiesendanger 1927-5-4 636 Yolo Putah Canyon. Comment
  SEINET10692509 Image available Acer macrophyllum Charles F. Baker 1903-5-8 Baker 2981 Yolo Cache Creek canon. Comment
  SBBG14320  Acer negundo L. B. Hendrix 1962-4-28 26 Yolo University of Californica campus, Davis Comment
  UCD117114  Acer negundo H. MacKenzie 1949-6-1 25 Yolo University of California Davis, campus. Comment
  UCD141675  Acer negundo Ellen Dean; M. Taylor 2013-6-18 7796 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 MBN Plot 5A of the Putah Creek vegetation survey. 9 Comment
  HSC62842  Acer negundo var. californicum J. M. DiTomaso 1979-5-12 991 Yolo Next to Putah Creek below Monticello Dam 91 Comment
  UCD141693  Acer saccharinum Ellen Dean; M. Taylor 2013-6-20 7805 Yolo North side of Putah Creek east of City of Winters. South of Russell Blvd. on east side HWY 505. Yolo County Housing Authority area. Plot YHA 2D of Putah Creek vegetation survey. 6 Comment
  UCD128291  Achillea millefolium J. Buck 1996-5-9 5 Yolo City of Davis, off of Covell Boulevard. 15 Comment
  UCD128317  Achillea millefolium 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
  UCD73616  Achillea millefolium Ellen Dean; Elizabeth Goebel 2008-4-7 4743 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat, near Dry Creek road crossing. 76 Comment
  UCD128328  Achillea millefolium J. McGrath 1963-3-17 12 Yolo State Highway 128, 8 miles west of Winters. 121 Comment
  RSA416218  Achillea millefolium var. californica Glenn A. Gorelick 1965-8-2 s.n. Yolo In field approx. 5 miles east of Woodland Comment
  UCD128383  Achyrachaena mollis H. A. Borthwick 1925-5-11 1894 Yolo Davis. Comment
  UCD41162  Achyrachaena mollis D. Lowry 2002-4-10 172 Yolo Eastern foothills of inner north coast range, Berryessa Valley, about 2.5 miles west of Winters. Comment
  UCD128381  Achyrachaena mollis C. G. Baughn 1949-4-29 37 Yolo Hungry Hollow Hills, 2 miles west of Zamora. Comment
  UCD128398  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
  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
  SD133938  Acmispon grandiflorus var. grandiflorus Barbara Ertter, Annetta Carter 1989-5-28 8529 Yolo Rayhouse Road, 4.3 miles from Highway 16, east side of ridge between Blue Ridge and Little Blue Ridge, 0.4 mile below crest at large roadcut. 730 Comment
  UCD168495  Acmispon strigosus Ellen Dean; C. Thomsen and M. Hoshovsky 2017-3-29 9285 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
  CHSC100173  Acmispon wrangelianus John Dittes 2007-5-6 1448 Yolo Inner North Coast Range; eastern edge of Vaca Mountains; Audubon Bobcat Ranch; ca. 4.0 air miles west by northwest of Winters,ca. 4.1 air miles northeast of Monticello Dam; ca., 0.6 air mile southwest of confluence of Enos Creek and Dry Creek. 111 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
  UCD23223  Acmispon wrangelianus A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCD39174  Acmispon wrangelianus Beecher Crampton 1953-5-5 1211 Yolo 1.5 miles northest Davis. 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
  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
  UCD104537  Acmispon wrangelianus J. D. Skoss 1948-6-5 11 Yolo 2 miles northeast of Davis, along Southern Pacific Railroad tracks. Comment
  UCD35425  Acroptilon repens Beecher Crampton 1956-7-13 3718 A Yolo Harbor Blvd. and Deluth St., West Sacramento. Comment
  CAS-BOT-BC133141  Adenostoma fasciculatum Roxana Stinchfield 1916-6-26 354 Yolo Foothills west of Dunnigan near Buckeye Cr. Comment
  UCD112625  Adenostoma fasciculatum H. B. Nidever 1951-5-26 36 Yolo 2 miles N of Rumsey, Cache Creek Canyon. 137 Comment
  SEINET11722725  Adiantum jordanii Unknown 1997-4-25 8 Yolo along Putah Creek just E of Hwy 128 across from Stebbin's Reserve parking area 170 Comment
  SEINET240105  Aegilops cylindrica Beecher Crampton 1961-4-20 T.O. 2622 a Yolo UC Davis agronomy experimental area, plant introduction nursery, row 20. Comment
  SEINET240106  Aegilops speltoides Beecher Crampton 1961-5-8 T.O. 2621 a Yolo UC Davis agronomy experimental area, plant introduction nursery, row E - 81. Comment
  CDA1672  Aegilops triuncialis C. Justus 1958-5-28 Yolo Cabel Ranch, Winters. 0 Comment
  SEINET11695731  Aegilops triuncialis Unknown 1959-5-26 5255 Yolo 2.5 mi W of Winters, CA 128 Comment
  HSC62868  Aesculus californica J. M. DiTomaso 1979-5-12 983 Yolo 3.9 mi. E of Yolo-Colusa co. line on Hwy. 128, below Lake Berryessa, about 30 ft. from bank of Putah Creek. 76 Comment
  UCD15650  Aesculus californica Rachelle Raymond 1989-5-29 606 Yolo Outside Stebbins Reserve, Rd 128. 121 Comment
  RSA634245  Aesculus californica Robert M. Rhode, B. Nemeth 1997-5-21 154 Yolo Stebbins reserve (University of California Nature Reserve) Cold Canyon Creek; 0.5 miles south of Solano/Yolo county line (Putah Creek) near CA Highway 128. Beside creek; 50 meters from entrance (Highway 128). 185 Comment
  SEINET5743817 Image available Aesculus californica Clinton C. Shock 1980-1 78 Yolo State Hwy 16, 4.7 miles S of Yolo County line; along Cache Creek.; Cache Creek 152 Comment
  UCD62729  Agoseris heterophylla Alan Yip; 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. 118 Comment
  UCD41153  Agrostemma githago K. Arhangelsky 2002-5-9 205 Yolo Eastern foothills of inner north coast range, Capay Valley. North of Guinda, Rd 43 off Hwy 16; Fullbelly Farm. Comment
  UCD37230  Agrostis avenacea Beecher Crampton 1958-6-27 4978 Yolo Yolo County, 1.3 miles south of Dunnigan, U.S. Highway 99. Comment
  UCD51798  Agrostis avenacea Beecher Crampton 1960-5-9 5505 Yolo 1/4 mile south Saxon Station. Comment
  CDA1704  Agrostis capillaris N. van Kleeck 1974-11-4 Yolo 1407 Whittier Drive, Davis. 0 Comment
  UCD51858  Agrostis capillaris Leonard 1919-6-13 3065 Yolo Davis. 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
  SEINET3917312  Agrostis castellana Beecher Crampton 1960-6-3 T.O. 2463 Yolo Uc Davis agronomy experiment area, plant introduction nursery; planted from seed obtained from Australia harvest Jan 1957. Seed received 2 Sept. 1958 from T.H. Silsbury in Portugal. Plant Introduction #18821.; 0 Comment
  UCD160365  Agrostis gigantea Jean Shepard 2006-6-25 794 Yolo City of Davis, yard, 1800 block Myrtle Place. 15 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
  UCD53531  Agrostis stolonifera Leonard 1919-6-13 x 3066 Yolo Davis. Comment
  RSA697341  Aira danthonioides Lois Weston 1942-4-20 s.n. Yolo Davis. Comment
  UCD116180  Alcea rosea C. P. Pease 1995-6-6 s.n. Yolo East side of University of California, Davis campus, Experimental College gardens. 16 Comment
  UCD116181  Alcea rosea C. P. Pease 1995-6-6 s.n. Yolo East side of University of California, Davis campus, Experimental College gardens. 16 Comment
  UC735742  Alisma plantago-aquatica Charles B. Heiser Jr. 1947-7-22 1965 Yolo n of Davis Comment
  SEINET196522  Alisma triviale Walter Russell 1948-8-16 Yolo Roadside ditch near rice field, ca. 2 miles north of Davis Comment
  UCD137994  Alisma triviale C. B. Heiser Jr. 1947-7-22 1965 Yolo north of Davis. Comment
  SEINET10846601  Allium cepa Stephanie Frischie 2000-10-14 Frischie 148 Yolo Davis Farmers' Market, Davis, CA. Comment
  UCD138641  Allium serra M. Wiesendanger 1927-4-29 618 Yolo Esparto. Comment
  UCD82081  Allium serra Robin McMaster 1973-4-15 308 Yolo 3 mi NW from Rumsey. Comment
  SEINET219061  Allium triquetrum June McCaskill 1967-4-2 717 Yolo In garden at 815 E. 9th Street, Davis. Comment
  UCD55984  Alopecurus Beecher Crampton 1973-4-16 8919 Yolo Saxon S.W. 1. Comment
  UCD55815  Alopecurus pratensis Beecher Crampton 1960-3-31 s.n. Yolo Agronomy Experimental Area, Davis Campus, Forage Crop Nursery. Comment
  UCD21239  Alopecurus saccatus J. Shepard 2000-4-9 122 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
  UCD21245  Alopecurus saccatus J. Shepard 2000-4-13 129 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. South of entrance road, past parking lots on the south side, ca 50 feet farther south of depressed rectangular area. 12 Comment
  UCD36209  Alopecurus saccatus Beecher Crampton 1953-4-16 1107 Yolo Yolo County, 1.5 miles north of city of Davis. Comment
  UCD55922  Alopecurus saccatus M. Wiesendanger 1927-4-29 597 Yolo Davis. Comment
  UCD55958  Alopecurus saccatus P. B. Kennedy 1915-4-26 s.n. Yolo Outskirts of Davis. Comment
  UCR220406  Alopecurus saccatus Jean V. Shepard 2000-4-9 122 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. Field south of entrance road, east of all archery ranges 12 Comment
  UCR141758  Amaranthus Beecher Crampton 1953-10-15 1688 Yolo Sacramento Valley, city of Davis, University of California campus Agronomy Plots 16 Comment
  UCD39251  Amaranthus albus Beecher Crampton 1956-11-6 3885 Yolo 2.5 miles northwest of Davis. Comment
  UCD108107  Amaranthus arenicola A. M. Shapiro 2011-9-15 s.n. Yolo West Sacramento, 1 km W of intersection of W. Capitol Ave. and Enterprise Blvd. Yolo Bypass. Comment
  UCR197931  Amaranthus blitoides Beecher Crampton 1952-10-11 854 Yolo Sacramento Valley, 1 mi north of Davis, waste lot 12 Comment
  UCD36087  Amaranthus blitoides Beecher Crampton 1952-10-11 854 Yolo Yolo County, city of Davis, waste lot. Comment
  UCD97082  Amaranthus cruentus Beecher Crampton 1969-10-2 8515 Yolo Davis. Comment
  UCD97411  Amaranthus hypochondriacus Clinton V. Kellner 1978-8-10 s.n. Yolo Garden area south of Orchard Park housing complex, University of California campus, Davis. Comment
  UCD82142  Amaranthus palmeri Jean Shepard 2009-8-8 825 Yolo Fremont Weir Wildlife Sanctuary. North of parking lot, on bank of Sacramento River. Comment
  RSA97928  Amaranthus palmeri Beecher Crampton 1953-10-15 1689 Yolo U.C. Davis campus Comment
  UCD57354  Amaranthus powellii J. Shepard 2000-6-2 287 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
  UCD97530  Amaranthus powellii C. J. W. 1913-9-1 313 Yolo Davis. Comment
  CDA16257  Amaranthus retroflexus G. F. Hrusa 1997-10-13 14120 Yolo Sacramento Valley; Sacramento R. immediately S of I-5 ~ 5 mi E of Woodland (near tule canal). 8 Comment
  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
  UCD19125  Amaranthus tuberculatus var. rudis A. M. Shapiro 1988-9-2 s.n. Yolo NW corner of junction of Yolo County Rds. 6 and 99W, near Dunningan exit from I-5. Comment
  HSC101440  Ambrosia artemisiifolia Thomas W. Nelson, Jane P. Nelson 1983-8-27 7613 Yolo Along alluvial terrace of Cache Creek just south of Guinda, CA.; just upstream from road 57 at picnic area 107 Comment
  CDA16115  Ambrosia psilostachya G. F. Hrusa 1999-8-28 15269 Yolo Sacramento Valley; Tule canal. Levee Rd., Rd. 107, +/- 1/4 mi N of I-5. 7 Comment
  UCD128815  Ambrosia psilostachya A. S. Crafts 1926-7-8 436 Yolo University Farm Campus, Davis. Comment
  UCD142964  Ambrosia psilostachya Ellen Dean; N. Gonzales 2013-8-8 7937 Yolo Downstream of Monticello Dam along Hwy 128, north side of Putah Creek in Putah Creek Vegetation Survey Plot INT 2A. 45 Comment
  CAS-BOT-BC64720  Ambrosia psilostachya Roxana Stinchfield 1916-6-25 339 Yolo Buckeye Creek, College City -- Dunnigan Road Comment
  SEINET12350282  Amelichloa brachychaeta Unknown 1961-5-29 T.O.s.n. Yolo UC Davis Campus, Agronomy Experimental Areas, seedhouse area row B-4 Comment
  UC1191600  Ammannia coccinea Malcolm A. Nobs and S. Galen Smith 1949-7-18 1004 Yolo n. Winters (Sacramento Valley); Sacramento Valley Comment
  UCD102873  Ammannia robusta K. Esau; D. Hartmann 1941-7-17 s.n. Yolo Near Zamora. 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
  RSA470802  Ammi visnaga Robert Gustafson 1985-6-15 3179 Yolo Jct of Road 25 and 103, SE of Woodland (private wildlife sanctuary) Comment
  SBBG14311  Amorpha californica J. McCaskill, R. Gankin 1962-5-2 650 Yolo ca. 20 yards above rd, State Hwy 16, 2.7 mi S of jct with State Hwy 20 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
  UC1178226  Amsinckia intermedia Peter M. Ray 1950-4-15 1701 Yolo 1 mi n Guinda (on Cal. Hwy 16, just n of bridge) Comment
  UC1178288  Amsinckia intermedia Ray and Chisaki 1952-4-3 K 123 Yolo Guinda Comment
  UCD119280  Amsinckia intermedia A. S. Crafts 1926-7-8 483 Yolo University Farm Campus, Davis. Comment
  UCD75872  Amsinckia intermedia Pamela G. Riley; B. Harker, J. MacLean 2002-4-27 117 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
  UCR235400  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 65 Comment
  CDA16696  Amsinckia intermedia G. F. Hrusa 1998-3-21 14159 Yolo North Coast Biodiversity Arena; Hwy 16 along Cache Creek at the rafting put-in nr. Lake County line. Comment
  SEINET5612762 Image available Amsinckia intermedia Unknown 1974-1 6 Yolo California: Yolo County, Davis F street; Grassy field along roadside, disturbed soil. Flws. orange-yellow. Comment
  UCD119283  Amsinckia intermedia Alan P. Godlewski 1974-4-26 5 Yolo South of Envir. Hort. On UC Davis campus. Comment
  UCD119695  Amsinckia intermedia Peter M. Ray 1950-4-15 1701 Yolo Slope near road, just north of bridge. On California Highway 16, 1 mile north of Guinda. 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
  UCD144438  Amsinckia lycopsoides Carol W. Witham 2003-4-11 935 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD21252  Amsinckia lycopsoides J. Shepard 2000-4-13 135 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 S side. 12 Comment
  UCD41005  Amsinckia lycopsoides Carol W. Witham 2003-4-11 935 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD119765  Amsinckia menziesii P. Thompson 1996-4-14 24 Yolo Davis; south side of town, path parallel to Valdora Road. 17 Comment
  UCD119769  Amsinckia menziesii K. Twitchell 1996-4-21 16 Yolo Davis, Road 96. Near Russell Blvd. 22 Comment
  UCD20793  Amsinckia menziesii N. Nicola 2001-3-14 009 Yolo Sacramento Valley, 4 miles west of Woodland, at Cache Creek Nature Preserve, riparian zone of Cache Creek. Comment
  UCD119773  Amsinckia menziesii M. Wiesendanger 1927-4-29 610 Yolo Woodland. Comment
  UC1178224  Amsinckia tessellata var. gloriosa Peter M. Ray 1950-4-15 1706 Yolo 6 mi n Rumsey (on Cal Hwy #16, n side of canyon of Cache Creek); Cache Creek Comment
  UCD147030  Anagallis arvensis Robert E. Preston 2012-5-16 2874 c Yolo 6.6 mi SW of Dunnigan, in Wood Canyon. 175 Comment
  UCD21256  Anagallis arvensis J. Shepard 2000-4-21 143 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
  UC405429  Ancistrocarphus filagineus Blankinship 1893-4-15 Yolo Capay Comment
  UCD56039  Andropogon glomeratus Beecher Crampton 1953-10-29 1732 Yolo Putah Canyon 7-8 miles west of Winters. Comment
  UCD114662  Anemone X hybrida Duane Gooden 1998-9-15 s.n. Yolo city of Davis, UC Davis campus, near bicycle underpass on east side of Shields Library. Comment
  UCD59359  Angelica californica Ellen Dean; Kate Mawdsley 2007-5-11 3783 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
  CAS-BOT-BC137752  Anthoxanthum odoratum Clarence R. Quick 1969-5-15 69 -01 Yolo Garden, Merritt Island, near junction of county roads #140 & 142, 3.5 miles south of Clarksburg. Comment
  RSA261396  Anthriscus caucalis R. T. Wurster 1960-4-3 s.n. Yolo State Highway 16, in town of Capay 37 Comment
  UCD127274  Anthriscus caucalis D. E. Schmidt 1960-4-3 18 Yolo Capay. 36 Comment
  UCD13179  Antirrhinum vexillocalyculatum C. H. Pinney 1975-6-4 175 Yolo 4.6 mi W of Winters, along hwy 128. 76 Comment
  UC630434  Apiastrum angustifolium Ethel Crum, Annetta Carter 1938-5-7 1370 Yolo 3.5 mi n of Rumsey (Inner North Coast Range, Comanche Hills); Inner North Coast Range, Comanche Hills 213 Comment
  RSA401383  Apocynum sibiricum Glenn A. Gorelick 1966-5-15 s.n. Yolo Along Cache Creek, parallel to Hwy 16, 2.2 miles north of Rumsey 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
  UCD169007  Arctostaphylos manzanita subsp. laevigata Ellen Dean; E. Moores and M. Hoshovsky 2017-4-7 9310 Yolo Audubon Bobcat Ranch. Lands to the north of Hwy 128, northwest of ranch headquarters near Rattlesnake Rock. Along undeveloped road. Area has burned three times in the last three years. 213 Comment
  SEINET11998675  Arctostaphylos manzanita subsp. laevigata Unknown 1988-1 80175 Yolo Blue Ridge just S of Lowery Summit 853 Comment
  UCD53006  Arctostaphylos pajaroensis Roman Gankin 1967-1-16 s.n. Yolo Davis. Comment
  UCD151015  Arctotheca calendula D. S. Park; D. Potter 2010-5-15 95 Yolo Davis greenbelt. Comment
  CAS-BOT-BC146315  Aristida ternipes var. gentilis Roxana Stinchfield 1916-6-26 336 Yolo D'Oyly Sheep Ranch Foothills above Buckeye Creek. Comment
  UCD34850  Aristida ternipes var. gentilis Beecher Crampton 1963-9-19 6896 Yolo Yolo County, 2.5 miles west of Winters on Hwy. 128. Comment
  UC1116682  Aristida ternipes var. hamulosa Beecher Crampton 1961-6-6 5895 Yolo 2 mi w Winters Comment
  UC1151596  Aristida ternipes var. hamulosa Beecher Crampton 1962-9-11 6667 Yolo 2.5 mi w Winters Comment
  SFV8400  Aristolochia californica G. L. Webster 1967-3-23 7500 Yolo North Coast Ranges Vaca Mountains. Along Putah Creek about 1 mile east of bridge below Monticello Dam. 61 Comment
  UC762341  Aristolochia californica R. F. Hoover 1938-2-22 2769 Yolo Putah Creek 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
  RSA91861  Aristolochia californica Beecher Crampton 1953-2-14 980 Yolo Putah creek canyon about 6 miles west of Winters Comment
  UCD149336  Artemisia dracunculus Collector Unknown 1953-12-23 s.n. Yolo City of Woodland. 25 Comment
  UCD35939  Arthrocnemum subterminale Beecher Crampton 1973-6-22 8961 Yolo Yolo County, 3 miles S.E. of Woodland (in direct line), county roads 25 and 103. Comment
  UCD81065  Arthrocnemum subterminale Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5599 Yolo city of Woodland. Woodland Regional Park. East side of County Road 102, just south of County Road 25. Back horse pasture area on east side of drainage pond. By fence on east side of pasture. 9 Comment
  RSA0059616  Arthrocnemum subterminale Beecher Crampton 1952-11-4 908 Yolo Woodlan Sewage Disposal area, 1.5 miles east of city of Woodland. Comment
  UCD56077  Arundo donax R. Tofsrud 1941-10-1 150 Yolo Davis. Comment
  UCD58037  Asclepias cordifolia Ellen Dean; K. Mawdsley 2007-4-6 3576 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
  UCD97110  Asclepias cordifolia Ellen Dean; C. Loughran, A. Fuller 2011-5-8 7010 Yolo Yolo County. Audubon Bobcat Ranch. Lands to the north of Hwy 128, just E of Monticello Dam. Bray Canyon. About two thirds of the way up the canyon in uplands on east side of creek. Along ridge between two side canyons. Comment
  JEPS49854  Asclepias eriocarpa Willis L. Jepson 1892-7-27 14534 Yolo Putah Pass, Yolo-Napa county line Putah Canyon Comment
  CDA39848  Asclepias fascicularis T. C. Fuller 1957-10-7 s.n. Yolo Davis, 1 mile east of town. 0 Comment
  HSC36206  Asclepias fascicularis John Rehling 1975-7-21 101 Yolo Near the S Pacific tracks on disturbed ground. Comment
  RSA401266  Asclepias fascicularis Glenn A. Gorelick 1965-8-26 s.n. Yolo By railroad tracks just before Low Water bridge, Davis Comment
  UCD121329  Asclepias fascicularis Chas. Heiser 1946-8-19 1838 Yolo Along S.P. railroad tracks, near Davis. Comment
  UCD121358  Asclepias fascicularis M. Wiesendanger 1927-10-1 812 Yolo 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
  UCD149329  Asclepias speciosa Collector Unknown 1925-6-13 s.n. Yolo University of California, Davis. University Farm. 15 Comment
  UCD41154  Asclepias speciosa N. Williams 2002-6-12 232 Yolo Eastern foothills of inner north coast range, Capay Valley. North of Guinda, Rd 43 off Hwy 16; Fullbelly Farm. Comment
  UCD121371  Asclepias speciosa Jeanette Van Emon 1983-7-22 s.n. Yolo East Davis, vacant lot north side of 5th Street, across street from City of Davis Recycle Center. Comment
  UCD121372  Asclepias speciosa C. B. Heiser Jr. 1946-8-19 1838 Yolo Along Southern Pacific Railroad, near Davis. Comment
  UCD121374  Asclepias speciosa C. B. Heiser Jr. 1947-6-14 1935 Yolo Davis. Comment
  UCD121376  Asclepias speciosa June McCaskill; Katherine Onaga 1959-5-18 596 Yolo North of and adjacent to County Road 32-A and west of County Road 103-B, Willowbank area. Comment
  UCD20594  Astragalus clevelandii E. Dean; with M. Bibbo 2002-7-5 1137 Yolo McLaughlin UC Reserve. 0.6 road miles S of Rayhouse Road reserve gate, along road to Soda Springs. 487 Comment
  RSA733923  Astragalus didymocarpus Beecher Crampton 1963-5-24 6810 Yolo Yolo County: Davis, field just northeast of West David School. Comment
  UCD35849  Astragalus douglasii Beecher Crampton 1965-4-27 7292 Yolo 3 miles n.w. of Dunnigan County Road 86. Comment
  UCD32888  Astragalus gambelianus Beecher Crampton 1965-4-27 7297 Yolo Yolo County, 3 miles N.W. of Dunnigan, County road between forks of Buckeye Creek, 14.5 miles N. Capay. 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
  CAS-BOT-BC193222  Astragalus tener var. ferrisiae Roxana S. Ferris 1917-4-20 706 Yolo Tule land west of Dunnigan Comment
  UCD41030  Astragalus tener var. ferrisiae Carol W. Witham 2003-4-26 962 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 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
  UCD105438  Astragalus tener var. tener D. H. Hartmann 1942-4-12 s.n. Yolo Along the railroad track 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
  UCD38348  Astragalus tener var. tener Beecher Crampton 1955-3-28 2347 Yolo About 4.5 to 5 miles southeast of Woodland. Junction County roads 103 and 25. Comment
  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
  UCD18481  Atriplex A. M. Shapiro 1988-8-1 s.n. Yolo West Sacramento, vacant lot. Comment
  RSA97526  Atriplex Beecher Crampton 1954-8-20 2263 Yolo Along old Putah Creek channel, Davis. Comment
  RSA97529  Atriplex argentea Beecher Crampton 1952-10-24 871 Yolo 1.5 miles north of Davis. Comment
  SBBG115893  Atriplex argentea var. expansa B. Crampton 1985-9-5 10017 Yolo ca. 3.5 mi SE of Woodland, on Rd 25 Comment
  UCD97255  Atriplex argentea var. expansa M. Phillips 1929-10-1 2051 Yolo near Davis. Comment
  UCR119108  Atriplex cordulata Beecher Crampton 1952-10-24 872 Yolo Sacramento Valley, 1.5 miles north of city of Davis, along Southern Pacific Railroad property. 15 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
  UCD38761  Atriplex dioica Beecher Crampton 1957-10-25 4643 Yolo West Sacramento, along the US Hwy. 40 freeway. Comment
  SEINET4135009  Atriplex hortensis Jean Shepard 2004-7-25 776 Yolo City of Davis, yard 1800 block Myrtle Place.; 0 Comment
  CHSC106023  Atriplex joaquinana Ellen Dean; K. Mawdsley 2008-4-16 4800 Yolo Southeast side of Woodland, Woodland Regional Park, just south of the intersection of County Roads 102 and 25, east side of road 102. Easternmost part of park on eastern side of reservoir area and horse paddock along roadside. 0 Comment
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Mar 31 2015
  JEPS100802  Atriplex joaquinana Dean W. Taylor 1993-7-9 13851 Yolo 3 air mi from Woodland; Central Valley 10 Comment
  RSA10422  Atriplex joaquinana C. B. Wolf 1928-5-8 2151 Yolo Sacramento Valley; 12 miles north of Dixon Comment
  SEINET4135107  Atriplex joaquinana Howard C. Stutz 1991-5-30 95515 Yolo Woodland.; 0 Comment
  SEINET4135115  Atriplex joaquinana Erica Smith 2008-4-18 12 Yolo City of Woodland Alkali Grassland Preserve managed by Center for Natural Land Management at the intersection of County Roads 103 and 25. South side of County Road 25.; 0 5 Comment
  SEINET4135119  Atriplex joaquinana Ellen Dean, K. F. Mawdsley 2008-4-16 4800 Yolo Southeast side of Woodland, Woodland Regional Park, just south of the intersection of County Roads 102 and 25, east side of road 102. Easternmost part of park on eastern side of reservoir area and horse paddock along roadside. Area is used as air field and for rodeos and is disturbed and mowed.; 0 0 Comment
  SEINET4135122  Atriplex joaquinana Erica Smith 2007-6-28 6 Yolo City of Woodland Alkali Grassland Preserve managed by Center for Natural Land Management at the intersection of County Roads 103 and 25. South side of County Road 25.; 0 5 Comment
  UCD33817  Atriplex joaquinana Beecher Crampton 1973-6-22 8963 Yolo Yolo County, 3 miles S.E. of Woodland (in direct line), county roads 25 and 103. Comment
  UCD34573  Atriplex joaquinana Beecher Crampton 1985-9-5 10018 Yolo Yolo County, 3.5 miles S.E. of Woodland on road 25, (T9N R2E sect. 11). Comment
  UCD62931  Atriplex joaquinana Erica Smith 2008-4-18 12 Yolo City of Woodland Alkali Grassland Preserve managed by Center for Natural Land Management at the intersection of County Roads 103 and 25. South side of County Road 25 4 Comment
  UCR100890  Atriplex joaquinana H. C. Stutz 1991-4-12 95461 Yolo Sacramento Valley, 'Jct of Rd. 25 and Rd. 103, SE of Woodland', [c. 1 mile south of Woodland, toward Davis] 30 Comment
  UCR212356  Atriplex joaquinana Erica Smith 2007-7-12 09 Yolo City of Woodland Alkali Grassland Preserve, managed by Center fro Natural Land Management, at the intersection of County Roads 103 and 25. South side of County Road 25. 5 Comment
  SEINET4135104  Atriplex joaquinana Howard C. Stutz 1991-4-12 95461 Yolo Junction of Road 25 and Road 103, southeast of Woodland.; 0 Comment
  CAS-BOT-BC168433  Atriplex parishii var. depressa H. C. Stutz 1995-8-7 9799 Yolo SE corner of Rd 25 and 103 Comment
  UCD38278  Atriplex prostrata B. Crampton 1952-10-28 895 Yolo 1 mile east of Winters. Comment
  UCD97617  Atriplex prostrata P. N. Annand 1929-10-19 2078 Yolo west end of Yolo Causeway. Comment
  UCD82141  Atriplex rosea Jean Shepard 2009-8-8 826 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
  UCD97698  Atriplex semibaccata K. Esau 1941-6-28 s.n. Yolo Agronomy Plots in Davis. Comment
  UCD97734  Atriplex semibaccata G. J. W. 1914-10-1 s.n. Yolo Cereal Plots, University Cereal Farm, Davis. Comment
  RSA697342  Avena barbata Keith E. Hoffmaster 1941-3-26 s.n. Yolo Putah can. Comment
  UCD14599  Avena barbata Wendy Weber 1989-6-10 23 Yolo California, Yolo Co.; Davis, at the east end of Loyola Road, 1/4 mile north along a drainage ditch, near 'Anderson Ranch'; 13 Comment
  UCD15598  Avena fatua Lisa Montany 1985-5-4 12 Yolo Stevenson's Bridge (Stevenson's Road) over Putah Creek. 27 Comment
  UCD19445  Avena fatua J. Shepard 2000-2-18 37 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 100 yd. along unpaved entrance road, on south side of road. 12 Comment
  UCD36833  Avena fatua Beecher Crampton 1955-12-13 3212 Yolo 1/4 mile S of Davis. Along U.S. Hwy. 40, junction of Davis Road. Comment
  UCD56321  Avena fatua Cay Collette 1975-4-5 1 Yolo Knight's Landing. Along levee. Approx. 100' from Sacrameto River. 15 Comment
  UCD56375  Avena fatua A. A. Beetle 1945-3-8 4199 Yolo Putah Creek Canyon. West of Winters. Comment
  UCD56384  Avena fatua Beecher Crampton 1969-5-21 8447 Yolo East of Davis. El Macero. Mace and Chiles Road. Comment
  UCD56457  Avena fatua Beecher Crampton 1976-12-30 9448 Yolo Mace Blvd. Off ramp I. S. Hwy. 80 east. Comment
  UCD80908  Avena fatua Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5312 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
  SEINET3919678  Avena fatua Steven Slagle 1964-3-17 22 Yolo 1 mile west of Davis.; 0 15 Comment
  SEINET3919697  Avena fatua var. sativa C. B. Shah 1960-5-15 23 Yolo University of California campus, Davis.; 0 16 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
  UCD37514  Avena sativa Beecher Crampton 1961-4-3 5849 Yolo Yolo County, city of Davis, Southern Pacific Railroad Station. Comment
  UCD56466  Avena sativa Beecher Crampton 1961-4-3 5849 Yolo Davis. Southern Pacific R. R. Station. Comment
  UCD56499  Avena sterilis P. B. Kennedy 1915-1 s.n. Yolo Davis. Grass Garden (Thorburn). Comment
  UCD81539  Baccharis douglasii W. W. Robbins; W. D. Norton 1928-8-1 1425 Yolo near Clarksburg. Comment
  CHSC74945  Baccharis pilularis Sabbina M. Lau 1989-6-7 12 Yolo West of Winters along Hwy 128, Stebbin's Cold Canyon Reserve. 350 meters from entrance. 122 Comment
  UCD62800  Baccharis salicifolia Susan Zhang; Plant Biology 102 students 2008-5-3 7 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. Along Bray Creek. 103 Comment
  UCD129303  Baccharis salicifolia subsp. salicifolia Beecher Crampton 1975-8-22 9246 Yolo county road 104 1 1/2 miles north of county road 28. Comment
  UCD34075  Baccharis salicifolia subsp. salicifolia Beecher Crampton 1976-3-20 9362 Yolo Vaca Mtns. Putah Creek canyon, ca. 8 miles west of Winters. Comment
  UCD129483  Baccharis salicifolia subsp. salicifolia Kay Ryugo 1952-4-12 1022 Yolo Putah Creek, 5 miles west of Winters. Comment
  UCD150780  Bauhinia Robert Deering 1954-11-4 s.n. Yolo Yolo County, University of California, Davis Landscape Management Greenhouse. 15 Comment
  UCD35744  Bellis perennis Beecher Crampton 1953-3-29 1037 Yolo Davis. Comment
  UCD119643  Berberis aquifolium var. dictyota Andrew Fulks 2012-2-4 s.n. Yolo close to the border with Napa County. Eastern slope of Blue Ridge above Lake Berryessa, north of Berryessa Peak. 811 Comment
  CHSC117413  Beta vulgaris B. Castro; Tom Boullion, Jessica Boyt 2008-10-21 1770 Yolo Sacramento Valley. Ca 3 air mi SE of Knights Landing, via Road 116B, W of 'Wild Irishman Bend' on topo map, on W bank of the Sacramento at RM 85.6. 10 Comment
  UCR197976  Bidens frondosa Beecher Crampton 1953-9-30 1633 Yolo Knights Landing, Sycamore Slough Comment
  RSA41143  Boisduvalia cleistogama Robert F. Hoover 1937-5-19 2300 Yolo Near Zamora Comment
  RSA654049  Boisduvalia cleistogama Beecher Crampton 1975-6-18 9222 Yolo Junction of county roads 38 and 106 off the SW corner Comment
  SEINET8225701  Bolboschoenus fluviatilis Jo Nixon 1951-5-19 25 Yolo under Yolo causeway (highway #40), 7 miles east of Davis. 15 Comment
  UCD35964  Bolboschoenus glaucus Beecher Crampton 1952-10-31 902 Yolo Yolo County. Comment
  UCD56827  Bothriochloa laguroides subsp. torreyana Beecher Crampton 1968-9-6 8337 Yolo 2 miles west of Winters. Along State Hwy. 128. Comment
  UCD20183  Boussingaultia Cynthia Cheney 1969-8-22 s.n. Yolo Growing on south side of house at 411 University Avenue, Davis. Comment
  UCD114720  Brassica P. B. Kennedy 1918-6-6 s.n. Yolo Univ. Farm, Davis. Comment
  UCD114724  Brassica P. B. Kennedy 1918-6-6 s.n. Yolo Univ. Farm, Davis. Comment
  RSA0107420  Brassica kaber George K. Helmkamp, Mary Alice Barnes 2013-5-8 20523 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
  UCR257210  Brassica kaber George K. Helmkamp, Mary Alice Barnes 2013-5-8 20523 Yolo Southern Sacramento Valley, Yolo Bypass Wildlife Area, 0.9 mile southeast of the junction of Chiles Road and I-80, between Sacramento and Davis 13 Comment
  CAS-BOT-BC106311  Brickellia californica Roxana Stinchfield 1916-6-25 447 Yolo Buckeye Creek - Goodin Ranch Comment
  JEPS84593  Brickellia californica John W. Willoughby 1979-8-13 4395 Yolo fishing access along State Highway 128 about 2.9 mi nw of the junction of the highway and County Road 86 Vaca Mountains, Putah Creek 60 Comment
  UCD57135  Briza maxima Wayne Fregien 1963-5-1 s.n. Yolo Ca. 4 miles east of Davis. County Road 104. Hansen Ranch. Comment
  UCD57422  Briza minor Elizabeth Wilson Fall 1936 s.n. Yolo Davis. Comment
  SEINET196503  Brodiaea capitata R. B. Griffith 1949-3-20 4 Yolo Putah Canyon Comment
  UCD23217  Brodiaea coronaria A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. 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
  UCD168750  Brodiaea terrestris subsp. terrestris Ellen Dean; T and F Starbuck, J Little, B Barnett, J and S Shepard 2017-4-29 9340 Yolo Yolo County Grasslands Park. Eastern side of park just north of southern playa pool. 3 Comment
  SEINET239849 Image available Bromus Beecher Crampton 1978-11-4 4779 Yolo CULTIVATED; UC Davis agronomy experimental area, plant introduction nursery; Comment
  CAS-BOT-BC144294  Bromus arizonicus Beecher Crampton 1956-3-29 3238 Yolo Around S.P. railroad Station, Davis. Comment
  UCD57698  Bromus arizonicus Beecher Crampton 1953-4-11 1073 Yolo Davis. Comment
  SEINET7296799 Image available Bromus arizonicus Beecher Crampton 1956-1 3231 Yolo Southern Pacific RR Triangle, Davis Comment
  UCD57772  Bromus berteroanus Beecher Crampton 1960-4-19 T. O. 2483 Yolo UC Davis campus. Agronomy experimental areas. Comment
  UCD57808  Bromus berteroanus Beecher Crampton 1961-4-10 T. O. 2483 Yolo Davis Campus. Agronomy Experimental Areas. Comment
  SEINET242452  Bromus brevis Beecher Crampton 1962-4-26 T.O.s.n. Yolo UC Davis agronomy experimental area, plant introduction nursery; row E-117, acc # E-117 Comment
  UCD142961  Bromus caroli-henrici Ellen Dean; N. Gonzales 2013-8-8 7934 Yolo Downstream of Monticello Dam along Hwy 128, north side of Putah Creek in Putah Creek Vegetation Survey Plot INT 2B. 48 Comment
  UCD73728  Bromus caroli-henrici Ayzik Solomeshch 2004-5-23 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  UCD58323  Bromus catharticus A. A. Beetle 1946-5-1 4708 Yolo Davis Campus. Comment
  UCD58341  Bromus catharticus E. G. Cakin 1947-4-29 s.n. Yolo Davis. Comment
  UCD81602  Bromus catharticus Collector Unknown 1950-6-1 s.n. Yolo Capay Valley, Bruhn Burn Plots. Comment
  CAS-BOT-BC242663  Bromus diandrus Beecher Crampton 1964-4-7 6917 Yolo Davis, Southern Pacific Railroad Comment
  CHSC79394  Bromus diandrus Beecher Crampton 1970-4-2 8550 Yolo Davis, Russell blvd. and College Park, vacant lot. Comment
  CHSC8170  Bromus diandrus Dave Isle 1969-5-6 429 Yolo 40 yards S. of E. 8th St. and Eureka St. intersection on W. side of Eureka St., Davis. 45 Comment
  RSA655137  Bromus diandrus Beecher Crampton 1956-4-19 3273 Yolo Davis. Comment
  UCD58598  Bromus diandrus Cay Collette 1975-4-5 2 Yolo Knight's Landing. Along levee. Approx. 100' from Sacrameto River. 15 Comment
  UCR237586  Bromus diandrus George K. Helmkamp, E. A. Helmkamp 2012-3-9 18606 Yolo Sacramento Valley, East Main Street (Co. Rd. 22), Woodland (parallel to I-5), 1.7 mile west of the Sacramento River 7 Comment
  CDA1816  Bromus diandrus M. K. Bellue, C. R. Ball 1933-5-1 Yolo 0 Comment
  CAS-BOT-BC155288  Bromus hordeaceus P. F. Knowles 1941-1-1 s.n. Yolo Davis. Greenhouse. Comment
  HSC9234  Bromus hordeaceus J. V. Lenz 1947-4-23 Yolo 3 mi. N of Davis Comment
  UC1543157  Bromus hordeaceus Charlotte G. Nast 1936-4-17 129 Yolo n of Davis (Woodland Highway); Woodland Highway Comment
  UCD21194  Bromus hordeaceus J. Shepard 2000-2-19 48 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, found north of parking lot to north of entrance road. 12 Comment
  UCD37382  Bromus hordeaceus Beecher Crampton 1960-4-26 5488 Yolo City of Davis. Comment
  UCD37840  Bromus hordeaceus Beecher Crampton 1962-4-23 6234 Yolo Yolo County, 3 miles north of city of Davis, Pole Line Road. Comment
  UCD56712  Bromus hordeaceus Ellen Dean; M. Bibbo 2007-3-23 3405 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
  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
  UCD58809  Bromus hordeaceus Beecher Crampton 1956-5-10 3364 Yolo Yolo County, city of Davis, University of California campus, arboretum, old Putah Creek. Comment
  UCR118895  Bromus hordeaceus Beecher Crampton 1985-4-17 9915 Yolo Sacramento Valley, Davis. 3rd Street near A Street and University Ave. 15 Comment
  UCR151584  Bromus hordeaceus Beecher Crampton 1960-4-26 5488 Yolo Sacramento Valley, city of Davis, along railroad 16 Comment
  SEINET242432 Image available Bromus hordeaceus subsp. molliformis Beecher Crampton 1978-11-4 T.O. 4778 Yolo CULTIVATED; UC Davis agronomy experimental area, plant introduction nursery. Comment
  UCD39898  Bromus macrostachys Beecher Crampton 1967-6-23 s.n. Yolo UC Davis Campus, Genetics Experimental Area, lathouse around benches; origin from T.O. 4281. Comment
  UCD162341  Bromus madritensis Craig Thomsen 2006-5-10 2639 Yolo Along ridgeline trail (accessed at turn-out across the road from Camp Haswell), approximately 0.5 mile south of Hwy 16. Yolo County park adjacent to Cache Creek. Rumsey Canyon. 457 Comment
  UCD56758  Bromus madritensis subsp. rubens Ellen Dean; M. Bibbo 2007-3-23 3450 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
  SACT000589  Bromus mollis Lester Varozza 1960-4-24 Yolo 11 miles southwest of Davis; valley grasslands Comment
  SACT000585  Bromus mollis 1925-4-9 Yolo Comment
  UCD59275  Bromus racemosus M. Wiesendanger 1927-4-29 605 Yolo Davis. Comment
  SEINET3922236  Bromus rigidus W. P. Hackett 1960-5-14 32 Yolo On dirt road 0.3 mile south of Pomology Department's spray shed, University of California campus, Davis, CA.; 0 Comment
  UCD59567  Bromus rubens E. G. Cakin 1947-3-27 s.n. Yolo Davis. Comment
  UCD59570  Bromus rubens M. Wiesendanger 1927-5-4 653 Yolo Putah Canyon. Comment
  UCD59616  Bromus rubens Beecher Crampton 1957-5-14 4022 Yolo 1.3 miles west of Zamora. Comment
  RSA733913  Bromus sterilis Beecher Crampton 1956-3-19 3233 Yolo Davis, along railroad. Comment
  UCD59718  Bromus sterilis Beecher Crampton 1957-3-12 3897 Yolo Triangle, Southern Pacific R. R. Station, Davis. 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
  UCR119148  Bromus sterilis Beecher Crampton 1962-4-2 6111 Yolo Sacramento Valley, City of Davis, along Southern Pacific Railroad 15 Comment
  UCR152294  Bromus sterilis Beecher Crampton 1956-4-2 3239 Yolo Sacramento Valley, city of Davis, Southern Pacific Railroad Triangle 16 Comment
  SEINET9331103  Bromus sterilis Unknown 1956-3-19 3233 Yolo Yolo Comment
  UCD59752  Bromus tectorum Beecher Crampton 1980-5-17 9721 Yolo Davis. Comment
  UCR152275  Bromus tectorum Beecher Crampton 1959-5-11 5207 Yolo Vaca Mountains, 7 mi west of City of Winters, Putah Creek Canyon, Cannon Ball Recreation Area Comment
  SEINET240100 Image available Bromus trinii Beecher Crampton 1961-9-30 T.O. 2483 Yolo UC Davis agronomy experimental area, plant introduction nursery, row 20. Comment
  SEINET241291 Image available Bromus trinii Beecher Crampton 1961-9-30 T.O. 2483 Yolo UC Davis agronomy experimental area, plant introduction nursery, row 20. Comment
  SEINET3923676  Bromus willdenowii Beecher Crampton 1970-3-9 8534 Yolo Uc Davis, Dairy road. Parking lot planting.; 0 Comment
  UCD41148  Buddleja davidii N. Nicola 2002-6-12 230 Yolo Eastern foothills of inner north coast range, Capay Valley. North of Guinda, Rd 43 off Hwy 16; Fullbelly Farm. Comment
  UCD105594  Caesalpinia gilliesii H. W. Chandler 1964-9-28 s.n. Yolo Along roadside, Rd. 89, 1 mi. S. of Madison. Comment
  RSA0054947  Calandrinia caulescens Lois Weston 1942-4-7 1163 Yolo Davis campus. Comment
  UC735707  Calandrinia ciliata Walter Russell 1947-4-5 1894 a Yolo Davis Comment
  UCD160546  Calandrinia ciliata Ellen Dean; Craig Thomsen 2015-3-21 8600 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
  UCR106849  Calandrinia ciliata Claire Warshaw 1985-4-10 01 Yolo City of Davis, near intersection of Highway 113 and Hutchison Drive 12 Comment
  HSC17636  Calandrinia ciliata M. Dole 1963-4-7 10 Yolo 3 mi. N of Hwy. 16 on Elkhorn Rd. Comment
  UCD19517  Calandrinia ciliata Terry Reedy 1974-4-10 113 Yolo Davis; east of end of 5th Street, west of city boundary. 15 Comment
  UCD67388  Calandrinia ciliata Christine Armer 1992-4-18 1 Yolo Davis, Putah Creek Road near Stevenson Bridge Road, edge of orchard. 15 Comment
  HSC93545  Calendula arvensis G. Fred Hrusa 1994-6-11 11887 Yolo south of Environmental Horticulture Dept. 50 Comment
  UCD36602  California macrophylla Beecher Crampton 1955-5-12 2773 Yolo Yolo County, 7.5 miles west of city of Davis, Moon Ranch. Comment
  UCD55486  Callitriche longipedunculata J. Shepard 2004-3-21 638 Yolo East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east on unpaved entrance road nearly to DOD fence, thence south .2 mi. to finger of vernal pool straddling DOD fence. 10 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
  RSA734213  Calochortus amabilis Keith E. Hoffmaster 1946-4-13 1208 Yolo Putah Canyon Comment
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May 14 2010
  UCR196221  Calochortus amabilis S. Olmsted, M. Atamian, R. Brush, M. Furuyama, C. Owens 2000-4-29 01 Yolo UC McLaughlin Reserve, 1 mi north of Knoxville as the crow flies, 300 m east of an old dirt road tht intersects the Yolo/Napa Co line 640 Comment
  SEINET8194291  Calochortus amabilis Unknown 1967-4-19 s.n. Yolo Winters area. 213 Comment
  UCD59308  Calochortus luteus Ellen Dean; Kate Mawdsley 2007-5-11 3732 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Central part of ranch near western section of loop road. 615 Comment
  CAS-BOT-BC270869  Calycadenia pauciflora Roxana Stichfield 1916-7-1 368 Yolo [D'Ayly?] Sheep Ranch, above Buckeye Creek Comment
  UCD164514  Calycadenia pauciflora Craig D. Thomsen 2006-8-16 2702 Yolo Camp Haswell County Park. 304 Comment
  UCD137882  Calycanthus occidentalis S. C. Hanson 1949-5-5 6 Yolo Putah Canyon, about 3 miels from Winters. Comment
  UCD137912  Calycanthus occidentalis M. Ramos 1996-5-7 9 Yolo Mix Canyon Road. 396 Comment
  UCD137920  Calycanthus occidentalis Richard E. Tanner 1955-6-5 71 Yolo on North Quad, across from Soils and Irrigation Building, UC Campus. 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
  POM256525  Camissonia graciliflora E. K. Crum 1938-5-7 2006 Yolo Comanche Hills, Inner North Coast Range, 3.5 miles northwest of Rumsey 213 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
  UCD57792  Capillipedium parviflorum Beecher Crampton 1957-9-24 s.n. Yolo UC Davis Campus, Agronomy Experimental Areas. Comment
  UCD114150  Capsella bursa-pastoris Ogden C. Riddle 1942-3-1 2 Yolo near greenhouse on UC Davis campus. Comment
  SEINET5341009  Capsella bursa-pastoris G. Cook 1959-3-27 5 Yolo Collected 2 miles west of Davis. 12 Comment
  SEINET800705  Capsella bursa-pastoris Anne Sutherl 1963-1 2 Yolo University of California, Davis 15 Comment
  SFV8745  Capsella bursa-pastoris J. Glover 1972-3-17 14 Yolo Sacramento Valley Davis. University of California campus. Field across from Briggs Hall. Comment
  UCD114156  Capsella bursa-pastoris J. M. Tucker 1951-2-14 2024 Yolo south of Agricultural Engineering Machinery Yard, University of California, Davis campus, Davis. Comment
  UCD14255  Capsella bursa-pastoris Eileen F. Chun 1974-5-14 83 Yolo Yolo County, Davis, Experimental College Gardens; 15 Comment
  SEINET10780129  Capsicum annuum Stephanie Frischie 2000-1 Yolo Comment
  UCD167659  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
  CAS-BOT-BC474553  Cardamine hirsuta Jean Shepard 2010-3-14 832 Yolo City of David, 1700 block Myrtle Place. Comment
  UCD114536  Cardamine oligosperma Rolf Y. Berg 1964-3-14 s.n. Yolo Cache Creek Canyon, along State Highway 16, 2-5 miles northwest of Rumsey. Comment
  CDA3666  Cardaria chalepensis T. C. Fuller 1961-5-31 6268 Yolo East end of Yolo Causeway Bridge, West Sacramento. 0 Comment
  CDA3645  Cardaria draba G. D. Barbe 1991-4-26 4408 Yolo Corner of Jefferson Boulevard at Courtland Road, west of Elkhorn Slough. 0 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
  UCR37039  Carex barbarae A. C. Sanders 1984-6-18 5066 Yolo Sacramento Valley, Sacramento Bypass near Bryte, just NW of Sacramento, bed of the bypass 1 mi west of the Sacramento River 5 Comment
  CAS-BOT-BC19386  Carex barbarae J. McGrath 1963-3-8 6 Yolo Highway 128, 8 miles west of Winters. Wet pools adjacent to Putah Creek. Comment
  RSA374497  Carex barbarae A. C. Sanders 1984-6-18 5066 Yolo Sacramento Bypass near Bryte, just northwest of Sacramento, bed of the bypass 1 mile west of the Sacramento River., (Near 121d 34 W, 38d 36 N). Comment
  UCD140506  Carex lenticularis var. limnophila Cay Collette 1975-5-31 22 Yolo Knight's Landing. 25' from Sacramento River. 15 Comment
  SEINET8700377 Image available Carex praegracilis Everett Everson 1951-4-19 34 Yolo 9.4 miles southeast of Davis, beside county road 34A Comment
  CAS-BOT-BC117397  Carex senta Clarence Roy Quick 1972-7-22 72 -14 Yolo On E band of E levee of Merritt Island, at jtn of road 142, ca 20 mi SSW of Sacramento, Comment
  CAS-BOT-BC117396  Carex senta Anne Sutherland 1963-3-8 11 Yolo Putah creek canyon, Hwy 128 near Recreation Beach on creek side of road. Comment
  UCD142935  Carya illinoinensis Ellen Dean; T. Starbuck 2013-10-5 8003 Yolo UC Davis Restoria site on north side of Putah Creek between Old Davis Road and the railroad overpass. Putah Creek Vegetation Survey Plot DRR #2A 15 Comment
  UCD142966  Carya illinoinensis Ellen Dean; K. MacMillen 2013-8-9 7939 Yolo Downstream of Monticello Dam along Hwy 128, north side of Putah Creek in Putah Creek Vegetation Survey Plot INT3A. 45 Comment
  UCD21526  Casimiroa edulis Duane Gooden 2003-3-14 s.n. Yolo UC Davis campus, north of Buehler Alumni/Visitors Center : Environmental Horticulture Garden. Tree, 20'. Comment
  HSC82086  Castilleja applegatei subsp. martinii Thomas W. Nelson, Jane P. Nelson 1980-4-27 5108 Yolo Along SR 16, 100 m E of bridge over Cache Creek, 4.2 mi. from county line 152 Comment
  JEPS103909  Castilleja applegatei subsp. martinii T. I. and F. M. Chuang 1991-6-23 7837 Yolo 3 mi S of Colusa and Yolo Co. line, on highway 16. Comment
  JEPS5855  Castilleja applegatei subsp. martinii E. H. Everson 1951-2-24 Yolo 3.5 mi nw Rumsey; Cache Creek Comment
  JEPS77482  Castilleja applegatei subsp. martinii Douglas W. James Jr. 1973-4-10 34 Yolo Lake Berryessa, on small dirt road just below the bridge below dam Thompson Canyon 228 Comment
  UCD122278  Castilleja applegatei subsp. martinii K. Esau 1932-3-5 s.n. Yolo Putah Canyon. Comment
  UCD81047  Castilleja applegatei subsp. martinii Agnieszka Zalicka; with PLB 102 class 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. Middle reaches of Bray Canyon on west side of creek. 120 Comment
  RSA305819  Castilleja applegatei subsp. martinii James R. Shevock 1972-3-25 1431 Yolo Hwy 128; Putah Creek. 61 Comment
  SFV8661  Castilleja applegatei subsp. martinii M. Ivey 1973-4-24 27 Yolo Putah Parklands, State Highway 128. West facing slope. Comment
  CDA36936  Castilleja attenuata CDFA Staff 1998-4-22 s.n. Yolo Rominger Prop., north of County Road 19, east of County Road 92C, west of County Road 94B. 0 Comment
  SEINET12350271  Castilleja attenuata Unknown 1998-4-28 7 Yolo near base of Monticello Dam Comment
  UCD73622  Castilleja attenuata Ellen Dean; Elizabeth Goebel 2008-4-7 4749 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat, west of Dry Creek road crossing. 83 Comment
  SEINET13767993  Castilleja densiflora Schank 1959-3-28 s.n. Yolo Above the Monticello Dam, ca 4 miles W of Winters. 305 Comment
  UCD122455  Castilleja exserta M. Wiesendanger 1927-4-29 632 Yolo Capay. Comment
  SFV8325  Castilleja exserta D. C. Fruchtenicht 1965-4-27 11 Yolo Along Putah Creek. 3 miles west of Winters. On steep, south-facing roadbank. 152 Comment
  HSC83324  Castilleja exserta subsp. exserta Robert E. Sholars 1975-5-6 26 Yolo N side of Putah Creek, 3/4 mi. W of Southern Pacific Railroad bridge, Winters Comment
  SEINET5739668 Image available Castilleja exserta subsp. exserta C. B. Shah 1960-1 5 Yolo Hilly area, sloping south side toward creek, near scout cabin along Cache Creek Canyon, State Hwy 16, ca. 2 miles NW of Rumsey.; Rumsey 122 Comment
  SEINET5739671 Image available Castilleja exserta subsp. exserta Rob Lee 1975-1 1 Yolo Steep west facing roadbank, State Hwy 128, 5 miles west of Winters.; Winters 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
  JEPS103915  Castilleja foliolosa T. I. and F. M. Chuang 1991-6-23 7836 Yolo 3 mi S of Colusa and Yolo Co. line, on highway 16. Comment
  UCD122534  Castilleja foliolosa M. Ramos 1996-5-7 8 Yolo Mix Canyon Road. 396 Comment
  UCD160542  Caulanthus lasiophyllus Ellen Dean; Craig Thomsen 2015-3-21 8596 Yolo Audubon Bobcat Ranch. Western part of ranch, just north of Hwy 128 and N of Putah Creek. Area E of Bray Canyon at base of large escarpment labeled 'spring' on topo maps. Burned in 2014. 220 Comment
  JEPS84702  Ceanothus John W. Willoughby 1976-4-21 1565 Yolo at fishing access along Putah Creek, off Hwy 128 Vaca Mountains, at N end of range 60 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
  SACT002916  Ceanothus cuneatus John Willoughby 1977-3-16 Yolo Collected just west of junction of State HIghway 128 and Pleasants Valley Road, riparian woodland. Comment
  UC917293  Ceanothus cuneatus var. cuneatus T. Tomich 1949-4-11 3 Yolo 4 mi n. Rumsey Comment
  UCD34944  Ceanothus griseus var. horizontalis Beecher Crampton 1992-5-27 s.n. Yolo Yolo County, Davis. Comment
  UCD111958  Ceanothus integerrimus A. S. Crafts 1926-4-10 56 Yolo U.C. Campus, Davis. 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
  UCD20545  Celtis spinosa Glen Forister 1981-5-27 Yolo Yolo County, Davis, UC Davis Environmental Horticulture, west of can yard. Comment
  UCD57828  Cenchrus longispinus Beecher Crampton 1968-9-6 8341 Yolo Vaca Mtns., Putah Creek Canyon, State Hwy. 128, 7.9 miles west of Winters. Comment
  UCR119150  Cenchrus longispinus Beecher Crampton 1965-7-7 7439 Yolo Vaca Mountains, 7.4 miles west of Winters, Hwy. 128, Putah Creek Canyon. 91 Comment
  CAS-BOT-BC276974  Centaurea calcitrapa E. D. Tompkins 1968-4-21 s.n. Yolo H. Willis Tompkins prop., Co. Rd. 57 & Hwy 16, Guinda Comment
  CAS-BOT-BC276976  Centaurea calcitrapa A. S. Crafts No date on label s.n. Yolo Near Davis Comment
  CAS-BOT-BC276977  Centaurea calcitrapa Beecher Crampton 1958-7-24 5044 Yolo Along County Road 29, ca. 4 miles north of Davis Comment
  CDA7093  Centaurea calcitrapa L. Moore 1953-4-1 Yolo 1 mile east of Guinda. 0 Comment
  CDA7095  Centaurea calcitrapa D. Tompkins 1968-4-21 Yolo H. Willis Tompkins property, County Road 57 & Highway 16, Guinda. 0 Comment
  UCD130001  Centaurea calcitrapa Beecher Crampton 1961-2-20 s.n. Yolo 3.5 miles north of Davis, around barn. 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
  UCD81560  Centaurea calcitrapa W. W. Robbins; W. D. Norton 1927-10-1 s.n. Yolo West of Davis. Comment
  CDA7228  Centaurea iberica G. D. Barbe 1984-6-28 4174 Yolo Glide Ranch east of Road 106, 1.4 miles south of Road 36, west of Yolo Bypass flood plain. 0 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
  UCD130065  Centaurea melitensis W. T. P. 1916-9-1 s.n. Yolo barley field near Davis. Comment
  RSA657108  Centaurea repens Beecher Crampton 1956-7-13 3718 B Yolo Harbor Blvd. and Deluth St., West Sacramento Comment
  UC735717  Centaurea solstitialis Charles B. Heiser Jr. 1947-5-30 1918 Yolo Davis Comment
  UCD149330  Centaurea solstitialis Collector Unknown 1925-6-17 s.n. Yolo University of California, Davis. University Farm. 15 Comment
  CDA7317  Centaurea solstitialis G. D. Barbe 1980-4-16 2572 Yolo Southwest corner County Roads 14 & 88, north of Esparto. 0 Comment
  RSA273247  Centaurea solstitialis Glenn A. Gorelick 1965-10-3 s.n. Yolo Davis Comment
  RSA433716  Centranthus ruber Glenn A. Gorelick 1966-6-1 s.n. Yolo Along side of street, D St and 5th St in Davis. Comment
  UCD21319  Centromadia fitchii J. Shepard 2000-5-26 277 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road almost to east boundary of park. Then approximately 50 feet south in low area. 12 Comment
  UCD35454  Centromadia fitchii Beecher Crampton 1956-9-28 3877 Yolo 4.5 miles west of Winters, Vaca Mtns. Comment
  CAS-BOT-BC279101  Centromadia parryi subsp. rudis A. A. Heller 1940-9-16 15838 Yolo About a mile north of Zamora on U. S. Highway #99W Comment
  UC532127  Centromadia parryi subsp. rudis David D. Keck 1933-10-28 2592 Yolo .5 mi W of Yolo Causway on road from Sacramento to Davis Comment
  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
  UCD35197  Centromadia parryi subsp. rudis Beecher Crampton 1953-9-30 1628 Yolo 1.5 miles northeast of Davis. Comment
  UCD130202  Centromadia pungens P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Company. Clarksburg, Sacramento River. Comment
  UCD144281  Centromadia pungens Carol W. Witham 2003-8-8 977 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  CAS-BOT-BC279117  Centromadia pungens subsp. laevis David D. Keck 1932-7-7 1730 Yolo About 6 miles S. of Woodland, (3 mi. N. of intersection with Sacramento Road) 30 Comment
  CAS-BOT-BC279118  Centromadia pungens subsp. laevis W. D. Hamilton 1946-4-19 s.n. Yolo 3 miles No. of Davis Comment
  CAS-BOT-BC279410  Centromadia pungens subsp. pungens A. A. Heller; H. E. Brown 1902-4-30 5433 Yolo Near Black's Comment
  CAS-BOT-BC279411  Centromadia pungens subsp. pungens Clarence R. Quick 1969-8-18 69 -18 Yolo Garden, Merritt Island near junction of county roads #140 & 142, 3.5 miles south of Clarksburg Comment
  UCD121533  Cephalanthus occidentalis Beecher Crampton 1977-10-8 9541 Yolo Putah Creek Canyon, Vaca Mtns. Comment
  UCD160178  Cerastium glomeratum Leonardo Tuchman 2015-4-12 5 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, adjacent to ranch house headquarters. 99 Comment
  UCD40989  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
  CAS-BOT-BC388244  Cerastium glomeratum Alice Eastwood 1927-3-28 14236 Yolo Near Winters Comment
  UCD98033  Cerastium glomeratum Beecher Crampton 1965-4-2 s.n. Yolo UC Davis Campus. Comment
  CAS-BOT-BC207762  Cercis occidentalis Alice Eastwood 1927-3-28 14227 Yolo Near Winters Comment
  CDA26894  Cercis occidentalis T. C. Fuller 1962-3-27 7887 Yolo Putah Creek Canyon, road to Monticello Dam, 4 miles east of Winters. 0 Comment
  RSA801720  Cercis occidentalis Lois Weston 1942-4-24 1138 Yolo Putah Canyon. Comment
  SEINET803186  Cercis occidentalis W. P. Hachett 1960-1 26 Yolo In an exposed shallow basin 20 Feet from roadside and ca. 50 yards from Cache Creek. On State Highway 128 ca. 6.1 miles north from Rumsey. 137 Comment
  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
  UCD105657  Cercis occidentalis Andreas Stohr 1996-4-21 1 Yolo Along Road 128, near to Cold Canyon Preserve. Comment
  UCD105658  Cercis occidentalis P. Thompson 1996-4-14 7 Yolo Davis, south side of town, path parallel to Valdora Road. 17 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
  UCR206542  Cercis occidentalis George K. Helmkamp, E. A. Helmkamp 2009-3-17 14405 Yolo Inner North Coast Ranges Foothills, along CA-20 and Cache Creek, 4.3 miles southeast of the Colusa County line 159 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
  UCD22838  Ceropegia Roman Gankin 1962-1 s.n. Yolo Comment
  UCD18531  Chaenomeles June McCaskill 1954-4-13 229 Yolo city of Davis, 427 L St., in yard. Comment
  CDA4793  Chamaesyce maculata N. V. Wetering 1961-8-16 Yolo West Sacramento. 0 Comment
  CDA11823  Chamaesyce nutans G. F. Hrusa, B. Follansbee 1995-8-25 12460 Yolo Urban Weeds of California; Sunwise Co-op, Westernesse Rd. in West Davis. Comment
  RSA140834  Chamaesyce serpillifolia John H. Thomas 1960-8-30 8871 Yolo 5 miles S of Winters along Hwy to Vacaville. Comment
  UCD149332  Chenopodium album Collector Unknown 1925-6-12 s.n. Yolo University of California, Davis. University Farm. 15 Comment
  UCD81420  Chenopodium album J. Shepard 2000-5-20 254 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 of road. 12 Comment
  UCD34175  Chenopodium album Beecher Crampton 1977-8-22 9521 Yolo Davis, Russell Blvd. Comment
  UCD97754  Chenopodium album Beecher Crampton 1977-8-22 9521 Yolo Davis. Comment
  UCD23198  Chenopodium berlandieri A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  CDA16699  Chenopodium californicum G. F. Hrusa 1998-3-21 14154 Yolo North Coast Biodiversity Arena; Hwy 16 along Cache Creek at the rafting put-in nr. Lake County line. Comment
  UCD73833  Chenopodium glaucum Jean Shepard 2008-6-27 816 Yolo City of Davis, Covell Blvd. at Alhambra Dr., at entrace to Mace Ranch subdivision. Comment
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Jun 16 2010
  JEPS84729  Chenopodium murale John W. Willoughby 1976-7-29 1801 Yolo along State Hwy 128 about 1.2 mi nw junction <with> County Road 86 (Pleasants Valley Road) (at fishing access, beside parking lot); Vaca Mountains, Putah Creek 60 Comment
  UCD98310  Chenopodium murale A. S. Crafts 1926-7-8 427 Yolo University Farm Campus, Davis. Comment
  UCD63144  Chenopodium murale A. M. Shapiro 2007-9-20 s.n. Yolo California. Yolo County: UC Davis campus, north side of Wellman Hall. Comment
  UCD98313  Chenopodium murale H. R. Drever 1945-6-1 s.n. Yolo Davis. Comment
  UCD21322  Chenopodium vulvaria J. Shepard 2000-6-2 285 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 south of entrance road. 12 Comment
  UCD57914  Chloris truncata R. Tofsrud 1942-9-1 s.n. Yolo Davis. Comment
  CDA1899  Chloris virgata Arthur M. Shapiro 1996-7-4 s.n. Yolo Road 29, opposite end of F Street, approximately 2 miles north of Davis. 0 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
  UCD138437  Chlorogalum pomeridianum R. Tofsrud 1950 (?) s.n. Yolo North of Rumsey. Comment
  UCD170327  Chloropyron palmatum Beecher Crampton 1978-6-26 9606 Yolo 4 miles S.E. of Woodland. Comment
  UCD170328  Chloropyron palmatum Beecher Crampton 1978-6-26 9606 Yolo 4 miles S.E. of Woodland. Comment
  UC762661  Chorizanthe membranacea R. F. Hoover 1938-4-23 3200 Yolo grade on Rumsey- Arbuckle Road; Rumsey-Arbuckle Road Comment
  UCD130488  Cichorium intybus Daryl Koutnik; John Sowell 1978-10-27 565 Yolo Putah Creek, east of county road 106 and west of Yolo Causeway. 6 Comment
  UCD149344  Cichorium intybus Collector Unknown 1925-6-1 s.n. Yolo Causeway. 4 Comment
  UCD81559  Cichorium intybus W. W. Robbins; W. D. Norton 1928-8-1 1420 Yolo near Clarksburg. Comment
  UCD130494  Cichorium intybus J. D. Skoss 1948-8-12 87 Yolo University of California campus, Davis. Comment
  UCD39743  Cinnamomum zeylanicum Beecher Crampton 1978-10-25 s.n. Yolo Collected Univ. Hawaii Agric. Exper. Sta. Kauai Branch Sta. Near Wailua. Plantation of shrubs to 8 ft. Comment
  UC494270  Cirsium occidentale var. venustum Tracy J. Storer 1912-7-1 Yolo Rumsey Comment
  UCD104015  Clarkia affinis L. P. Thibault 1995-5-21 45 Yolo NW edge of Highway 128, ca. 1/2 mile E of Monticello Dam. 125 Comment
  UCD48062  Clarkia concinna Ryan Knox; E. McDermott, G. Walden 2002-4-13 16 Yolo McLaughlin UC Reserve, W side of Davis Creek Reservoir, along road that goes from Soda Spring area to Rayhouse Rd. 0.5 airline mile due N of Soda Springs and 1.0 airline mile WNW of UC Davis Aquatic Lab facility. 491 Comment
  UCD72448  Clarkia concinna Ellen Dean 2008-4-25 4871 Yolo Tuleyome Ireland Ranch, western part of ranch near Crooker Spring. 332 Comment
  RSA758526  Clarkia concinna subsp. concinna George K. Helmkamp, E. A. Helmkamp 2009-5-20 14728 Yolo west side of Cache Creek along CA-16, 5.5 miles southeast of the Colusa County line 177 Comment
  POM32011  Clarkia concinna subsp. concinna C. F. Baker 1903-5-8 2982 Yolo Cache Creek canyon Comment
  UCD73665  Clarkia gracilis 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
  UCD20866  Clarkia purpurea N. Nicola 2001-5-8 83 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  UCD104845  Clarkia purpurea Beecher Crampton 1972-4-19 8791 Yolo 2 miles W of Winters. Comment
  CHSC74996  Clarkia purpurea subsp. quadrivulnera E. D. Appenzeller 1995-5-28 19 Yolo West of city of Winters; off hwy 128 near Stebbins Cold Canyon. Comment
  UCD59345  Clarkia unguiculata Ellen Dean; Kate Mawdsley 2007-5-11 3769 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Central part of ranch. 539 Comment
  UCD105068  Clarkia unguiculata K. O'Keefe 1995-6-3 s.n. Yolo Upper west bank of Cold Creek, 200m. from confluence wth Putah Creek. Below and E of Lake Berryessa, off of Highway 128. 120 Comment
  UCR206546  Claytonia parviflora subsp. parviflora George K. Helmkamp, E. A. Helmkamp 2009-3-17 14409 Yolo Inner North Coast Ranges Foothills, along CA-20 and Cache Creek, 4.3 miles southeast of the Colusa County line 159 Comment
  UCD21365  Claytonia perfoliata J. Shepard 2001-3-16 401 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, thence south on track toward County Road 36. About 20 yards before reaching fence at County Road 36, east. 12 Comment
  UCD100834  Claytonia perfoliata J. M. Tucker 1951-2-14 2025 Yolo south of Agricultural Engineering Machinery Yard, University of California campus, Davis. Comment
  UCD14402  Claytonia perfoliata Katherine Courtney 1983-4-22 1 Yolo 4 miles east of Winters along Highway 128; on the south side of the road. Comment
  UCD41025  Claytonia perfoliata subsp. perfoliata Carol W. Witham 2003-4-11 956 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  CAS-BOT-BC440065  Claytonia perfoliata subsp. perfoliata R. H. Miller 1949-5-7 45 Yolo About 3 miles west of Winters, beside Putah Canyon road Comment
  SEINET215094 Image available Claytonia perfoliata subsp. perfoliata W. P. Hackett 1960-3-13 2 Yolo Davis, E of airport, Univ. of CA. at Davis. Comment
  SEINET10335281 Image available Clematis armandii B. J. McCaskill 1954-3-13 221 Yolo On front of Student Health Center, University of California, Davis Comment
  CAS-BOT-BC91339  Clematis lasiantha W. D. Hamilton 1946-3-29 s.n. Yolo Putah Canyon. Comment
  CHSC57496  Clematis lasiantha Steven Triano 1987-4-13 41 Yolo Ca. 37 mi nw of Woodland, ca. 30 ft e of Hwy 16. 167 Comment
  HSC43965  Clematis lasiantha Robert M. Specht 1977-4-12 639 Yolo NE facing slope above Davis Creek 640 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
  UCD95606  Clematis lasiantha Joseph M. DiTomaso 1976-4-9 387 Yolo Below Monticello Dam, Lake Berryessa, south facing slope above Putah Creek. 121 Comment
  UCD142979  Clematis ligusticifolia Ellen Dean; L. Epstein 2013-9-5 8000 Yolo Downstream of Monticello Dam, north side of Putah Creek, south of HWY 128, near Putah Creek Vegetation Survey Plot INT 3A. 45 Comment
  SEINET13394094  Collinsia heterophylla Unknown 1967-4-19 s.n. Yolo Winters area. 183 Comment
  UC638790  Collinsia heterophylla Ethel Crum 1938-5-7 1982 Yolo 4 mi n of Rumsey (Inner North Ranges, Cache Creek Canyon); Inner North Ranges, Cache Creek Canyon 152 Comment
  UCD19171  Collinsia sparsiflora A. M. Shapiro 1988-3-21 s.n. Yolo Willow slough bypass. Comment
  UCD123667  Collinsia sparsiflora var. collina James Arthur 1966-2-5 14 Yolo 3/4 mile east of Monticello Dam, State Highway 128. Comment
  UC766271  Collinsia sparsiflora var. sparsiflora R. F. Hoover 1938-2-22 2767 Yolo Putah Creek Canyon Comment
  UCD41169  Consolida regalis K. Arhangelsky 2002-5-9 208 Yolo Eastern foothills of inner north coast range, Capay Valley. North of Guinda, Rd 43 off Hwy 16; Fullbelly Farm. Comment
  CAS-BOT-BC216008  Convolvulus C. R. Quick 1974-7-21 74 -2 Yolo East levee of Elk Slough, west side of levee-top road (Road 144), south of Road 142, Merritt Island, about 20 mile SSW of Sacramento Comment
  SD257249  Convolvulus arvensis George K. Helmkamp, Mary Alice Barnes 2013-5-8 20519 Yolo Southern Sacramento Valley: Yolo Bypass Wildlife Area, 0.9 mile southeast of the junction of Chiles Road and I-80, between Sacramento and Davis. 13 Comment
  UCD126137  Convolvulus arvensis M. Wiesendanger 1927-5-4 647 Yolo Putah Canyon. Comment
  UCD126189  Convolvulus arvensis Cay Collette 1975-5-17 15 Yolo Knight's Landing. Along levee roadside, 50 feet from Sacramento River. 15 Comment
  UCD126207  Convolvulus arvensis M. Ramos 1996-5-25 24 Yolo north side of Davis. 12 Comment
  UCD21260  Convolvulus arvensis J. Shepard 2000-4-21 149 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 on the south side of road. 12 Comment
  RSA394808  Convolvulus arvensis Glenn A. Gorelick 1966-6-1 s.n. Yolo On campus at U.C. Davis. Comment
  UCD14213  Convolvulus arvensis Joan Alleguer 1974-5-20 43 Yolo Yolo County; U.C. Davis campus, near the medical school 15 Comment
  UCD14600  Convolvulus arvensis Wendy Weber 1989-6-10 25 Yolo Davis, at the east end of Loyola Road, 1/4 mile north along a drainage ditch, near 'Anderson Ranch', 13 Comment
  UCD15237  Convolvulus arvensis Claire Warshaw 1985-5-31 24 Yolo California, Yolo Co.; ca. 1 mile north on F street from Covell Blvd., outside of the green-belt; 12 Comment
  UCD67917  Convolvulus arvensis Greg Vita 1978-5-21 32 Yolo Route 128, 3.3 miles east of Monticello Dam. Foothill woodland, full shade, along river. 60 Comment
  JEPS82992  Cordylanthus palmatus L. R. Heckard 1963-8-10 6145 Yolo about 3 mi se Woodland (just n of Road 25 and w of Road 103) Comment
  SEINET11248513 Image available Cotoneaster franchetii Mary L. Mello 1949-12-16 Yolo University of California campus, Davis Comment
  SEINET11248511 Image available Cotoneaster horizontalis Mary L. Mello 1949-12-21 Yolo East of Horticulture Building, University of California, Davis Comment
  UCD101829  Crassula connata A. A. Beetle 1945-2-15 4182 Yolo Putah Creek Canyon, west of Winters. Comment
  UCD160468  Crassula connata Ellen Dean; Craig Thomsen 2015-3-21 8588 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
  UCD81413  Crassula connata J. Shepard 2003-4-27 599 -A 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 .2 mi along unpaved entrance road, then south along the north-south access road. 12 Comment
  SFV8767  Crassula connata D. Kurtak 1969-4-5 11 Yolo About 5 miles west of Winters on State Highway 128. Comment
  UCD21329  Cressa truxillensis J. Shepard 2000-6-3 300 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 boundary by Air Force facility and thence 500 feet south to disked and dry vernal pool. 12 Comment
  UCD149343  Croton setiger Collector Unknown 1925-5-21 s.n. Yolo Causeway. 4 Comment
  UCD160107  Croton setiger Taylor Wolzen 2015-4-12 4 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. 113 Comment
  UCD142089  Croton setiger H. R. Drever 1945-8-11 s.n. Yolo University of California campus, Davis. 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
  UCD142147  Croton setiger K. O'Keefe 1995-6-3 s.n. Yolo North side of Putah Creek road at its intersection with Olive School Lane. Near Winters, CA.; Coast Range. 80 Comment
  UCD142151  Croton setiger W. T. Pope 1916-10-5 s.n. Yolo University Farm. Comment
  CAS-BOT-BC190140  Crypsis schoenoides R. N. Raynor 1940-10-20 s.n. Yolo North of Yolo Bypass. Comment
  SEINET212947 Image available Crypsis schoenoides T. Lowrey 1973-8-15 12 Yolo 1.25 mi north of Rumsey Bridge on bank of Cache Creek Comment
  UCD36106  Crypsis schoenoides Beecher Crampton 1952-10-28 892 Yolo Yolo County, 5 miles west of city of Winters, on Monticello Road, along Putah Creek. Comment
  UCD37720  Crypsis schoenoides Beecher Crampton 1961-8-1 5965 Yolo Davis. Southern Pacific Railroad. Comment
  UCD59922  Crypsis schoenoides R. Tofsrud 1942-8-1 7 Yolo Davis. Putah Creek. Comment
  UCD160939  Cryptantha flaccida J. Shepard 2012-4-7 864 Yolo West of Woodland, Co Rd 16 to Guinda. W on Forest Ave (Co Rd 53) about 1 mi to gate. Continue 3/4 - 1 mi past gate. Comment
  UCD37176  Cryptantha flaccida Beecher Crampton 1958-4-21 4718 Yolo Yolo County, 6.5 miles northwest of Rumsey, Highway 16. Comment
  UCD37598  Cryptantha flaccida Beecher Crampton 1955-4-18 2502 Yolo Yolo County, 2 miles west of Winters. Comment
  SEINET10734695  Cucumis melo Stephanie Frischie 2000-9-30 Frischie 101 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET10734707  Cucurbita pepo Stephanie Frischie 2000-9-27 Frischie 74 Yolo Safeway Store #1205, 1431 West Covell, Davis, CA 95616. Comment
  SEINET10848439  Cucurbita pepo Stephanie Frischie 2000-9-27 Frischie 69 Yolo Safeway Store #1205, 1431 West Covell, Davis, CA 95616. Comment
  UCD34574  Cuscuta Beecher Crampton 1985-9-5 10019 Yolo 3.5 miles S.E. of Woodland on road 25, (T9N R2E sect. 11). Comment
  UCD33827  Cuscuta brachycalyx Beecher Crampton 1973-7-9 8974 Yolo 3 miles S.E. of Woodland (in direct line), county roads 25 X 103. Comment
  CDA39921  Cuscuta californica M. Pryor 1958-8-11 1003 -58 Yolo County Road 99 near Davis. 0 Comment
  UCD126277  Cuscuta campestris Peter Menth 1992-6-2 2 Yolo E. side of highway along edge. 2 mi s. Gibson Road on Poleline Road. Comment
  UCD67396  Cuscuta campestris Julia Curlette 1992-5-5 5 Yolo Yolo county : Pedric Rd. Along roadside. Comment
  UCD126300  Cuscuta howelliana Jim Sherar 1992-6-16 s.n. Yolo south of Dixon. Comment
  UCD34165  Cuscuta indecora var. indecora Beecher Crampton 1977-6-16 9502 Yolo county road 32, 2 miles west of the Fairfield school. 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
  UCR119107  Cuscuta salina Beecher Crampton 1961-7-25 5942 Yolo Sacramento Valley, 1 mile southwest of Saxon Station. 15 Comment
  UCD60010  Cynodon barberi R. Tofsrud 1947-12-13 s. n. Yolo U. C. Davis campus. Back of old Agronomy Division buildings. Comment
  UCD13304  Cynodon dactylon Bill Chally 1989-6-6 25 Yolo UC. Davis. 12 Comment
  UCD60100  Cynodon dactylon Beecher Crampton 1970-6-24 8624 Yolo U. C. Davis Campus. Comment
  SEINET10515380  Cynodon dactylon Alan A. Beetle 1945-8-20 Beetle 4022 Yolo On Univ. of Calif. farm, with Ustilago cynondontis. Comment
  UCD119180  Cynoglossum grande Marvin Nies 1951-2-23 5 Yolo 5 miles north of Rumsey. Comment
  CAS-BOT-BC114576  Cyperus eragrostis Clarence Roy Quick 1972-7-22 72 -19 Yolo Occasional near river's edge. On E levee of Merritt Island, at junction of road 142. Comment
  UCD141664  Cyperus eragrostis Ellen Dean; M. Taylor, K. MacMillan 2013-6-13 7791 Yolo City of Davis South Fork Preserve, along Mace Blvd. (County Road 104) south of the City of Davis boundary. North bank of Putah Creek in Plot MBN 4E of the Putah Creek vegetation survey. 9 Comment
  UCD150589  Cyperus eragrostis David Coles 1980-5-29 14 Yolo 1 mi. NW of Co. Rds. 102 and 29. 15 Comment
  UC590016  Cyperus erythrorhizos H. S. Yates 1936-8-14 6141 Yolo 8 mi. n.e. Knights' Landing; <Dunningan> Quad. 15 Comment
  UCD37279  Cyperus erythrorhizos Beecher Crampton 1958-9-29 5120 Yolo 7 miles west of city of Davis, just south of Moon Ranch. Comment
  UCR148106  Cyperus ferax Beecher Crampton 1969-10-21 8524 Yolo Putah Creek bed, south of University airport 2 Comment
  UCD35256  Cyperus odoratus Beecher Crampton 1954-9-28 2280 Yolo Yolo County; 5 miles east of Davis. Comment
  CAS-BOT-BC114002  Cyperus rotundus 1932-4-20 s.n. Yolo From a backyard in Davis. Comment
  CDA2600  Cyperus rotundus MacBride 1939-11-24 Yolo School, Clarksburg. 0 Comment
  SACT000876  Dactylis glomerata Lester Varozza 1960-4-24 Yolo 11 miles southwest of Davis, Ca Comment
  UC914227  Damasonium californicum Verne Grant and Alva Grant 1946-4-15 7672 Yolo Yolo Bypass Comment
  UC917163  Damasonium californicum R. H. Miller 1949-5-11 52 Yolo s. side of w. end of Yolo Causeway Comment
  UCR196223  Datisca glomerata Ellen Dean, Mark Bibbo 2002-7-5 1129 Yolo East of McLaughlin UC Reserve and Davis reservoir. West of Cach Creek drainage, along Rayhouse Road 1.8 road mi east of junction with road to Soda Springs and gate into McLughlin reserve 457 Comment
  CDA13748  Datura ferox G. F. Hrusa, T. D. Wilfred 1996-12-19 13593 Yolo Central Valley; On orchard side of levee along Tule Canal approx. 3/4 mi. E of Int. 5 & 1/4 mi N of Sacramento River on S side of Yolo Bypass. Comment
  UCR244759  Datura ferox Jean V. Shepard 2011-8-20 856 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
  UCD68069  Datura ferox Art Shapiro 1996-9-23 s.n. Yolo University of California, Davis, on North side of Wellman Hall, in a planter box. Comment
  SEINET212395 Image available Datura stramonium Timothy K. Lowery 1973-8-15 2 Yolo 1/2 m N of Rumsey in a waste field by side of hyw. 16 91 Comment
  UCD126533  Datura stramonium M. Phillips 1929-10-1 2067 Yolo Putah Canyon. Comment
  UCD55482  Datura stramonium J. Shepard 2000-7-9 325 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 past parking lots and archery range on north, thence north past horseshoe pits to archery backstop/brush pile. 12 Comment
  UCD126530  Datura stramonium Lodoro 1924-4-6 17 Yolo Putah Creek, near Davis. 85 Comment
  CAS-BOT-BC474702  Datura wrightii Jean Shepard 2000-8-28 338 Yolo City of Davis. South of Fifth St., off Del Rio Pl. 10 Comment
  UCD127409  Daucus pusillus H. A. Borthwick 1925-5-25 1857 Yolo Putah Canyon. Comment
  UCD47831  Daucus pusillus J. Pierner; S. Burgess, A. Hufton, A. Ryan, and B. Takahashi 2000-4-29 14 Yolo Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of old town of Knoxville. 640 Comment
  UCD67904  Delairea odorata E. Dean 1996-12-12 365 Yolo City of Davis, UC Davis campus. Comment
  UCD41115  Delphinium X belladonna K. Arhangelsky 2002-5-9 210 Yolo Eastern foothills of inner north coast range, Capay Valley. North of Guinda, Rd 43 off Hwy 16; Fullbelly Farm. Comment
  LA207499  Delphinium hesperium H. Lewis; G. Mehlquist 1941-9-5 sn Yolo Putah Creek, 0.1 mi. E of the Napa Co. line Comment
  UCD95815  Delphinium hesperium Beecher Crampton 1978-5-15 9588 Yolo Yolo County, ca. 3 miles west of Winters on Hwy. 128. Comment
  UCD73684  Delphinium nudicaule Christa Lindsey; 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. 103 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
  CAS-BOT-BC116450  Delphinium patens subsp. patens Ella D. Cantelow 1940-3-9 4277 Yolo Putah Canyon opp. Devil's Gate Comment
  SEINET5714473 Image available Dennstaedtia cicutaria Dennis W. Stevenson 1973-1 s.n. Yolo Cultivated in Botany Department Greenhouse, University of California campus, Davis.; Univ. of California, Davis Comment
  JEPS72968  Deschampsia danthonioides W. L. Jepson 1940-5-17 19931 Yolo 7 mi. e. Davis (w. end of Yolo Causeway, near Plumtree R.R. flag station) Comment
  RSA653960  Deschampsia danthonioides Beecher Crampton 1967-5-18 7949 Yolo 1 mile north of Davis Comment
  UCD36175  Deschampsia danthonioides Beecher Crampton 1953-3-29 1040 Yolo Yolo County, 1.5 miles north of city of Davis. Comment
  UCD62775  Deschampsia danthonioides var. gracilis A. A. Beetle Date Unknown 4372 Yolo Woodland Airport. Comment
  UCD37586  Descurainia sophia Beecher Crampton 1955-4-14 2481 Yolo Yolo County, city of Woodland. Comment
  SEINET241294 Image available Desmazeria sicula Beecher Crampton 1965-5-12 T.O. 3400 Yolo UC Davis agronomy experimental area, plant introduction nursery, row L-113 Comment
  UCD139234  Dichelostemma capitatum P. Thompson 1996-4-21 31 Yolo Davis, south side of town, path parallel to Valdora Road. 17 Comment
  SEINET7040225  Dichelostemma capitatum 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
  UCD21375  Dichelostemma capitatum subsp. capitatum J. Shepard 2001-3-26 416 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 Department of Defense property fence. Then, south along pathway, about 150 yards, growing on the east side of the path. 12 Comment
  UCD139204  Dichelostemma capitatum subsp. capitatum Rolf Y. Berg 1963-2-10 s.n. Yolo along Solano Lake, between resort and Pleasants Valley Road, Putah Creek Canyon. Comment
  UCD59363  Dichelostemma congestum Ellen Dean; Kate Mawdsley 2007-5-11 3787 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, northeastern corner of ranch. 337 Comment
  UC333351  Dichelostemma volubile unknown 1891-5-28 Yolo Capay Valley Comment
  UC333352  Dichelostemma volubile unknown 1891-5-28 Yolo Capay Valley Comment
  UCD59318  Dichelostemma volubile Ellen Dean; Kate Mawdsley 2007-5-11 3742 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
  HSC3102  Dichelostemma volubile W. R. Rogers 1965-6-25 251 Yolo Fisk Creek Ridge, 6 mi. S Hwy. 16 Comment
  SEINET10533887  Dichelostemma volubile Charles F. Baker 1903-5-7 Baker 3072 Yolo Rumsey, Calif. Comment
  UCD63906  Digitaria eriantha Beecher Crampton 1957-10-30 Yolo Agronomy Experimental Areas, Davis campus. Comment
  UCD37727  Digitaria ischaemum Beecher Crampton 1961-9-15 5974 Yolo Yolo County, city of Davis, University of California campus. Comment
  CAS-BOT-BC209026  Digitaria sanguinalis Clarence R. Quick 1968-8-25 68 -07 Yolo Merritt Island near junction of county roaads #140 & 142, 3.5 miles south of Clarksburg Comment
  CAS-BOT-BC242659  Digitaria sanguinalis Beecher Crampton 1962-9-11 6670 Yolo 3 miles west of city of Winters Comment
  SBBG26364  Digitaria sanguinalis B. Crampton 1966-10-11 7812 Yolo University of California Davis campus, agronomy field Comment
  SEINET238951 Image available Digitaria sanguinalis Beecher Crampton 1969-7-25 8499 Yolo Davis, Russell blvd. Divider strip. Comment
  UCD58490  Digitaria sanguinalis J. Shepard 2007-7-6 812 Yolo City of Davis. In greenbelt south of and parallel to Loyola Drive between Tulip Lane and Monarch Lane. Comment
  UCD63983  Digitaria sanguinalis Beecher Crampton 1968-9-6 8338 Yolo 2 miles west of Winters, State Hwy. 128. Comment
  UCD64159  Digitaria sanguinalis Beecher Crampton 1966-10-11 7812 Yolo Yolo County, UC Davis agronomy field. Comment
  SACT000983  Digitaria sanguinalis 1925-6-29 Yolo No determiner/collecter listed Comment
  CAS-BOT-BC151332  Diplacus tricolor A. A. Heller; H. E. Brown 1902-4-29 5417 Yolo Near Madison Comment
  UCD64639  Distichlis Beecher Crampton 1954-9-30 2283 Yolo 3 miles N of Davis. Comment
  UCD41053  Distichlis spicata Carol W. Witham 2003-8-8 984 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  SACT000987  Distichlis spicata 1925-6-5 Yolo No collector/determiner listed. Comment
  UCD64491  Distichlis spicata var. stricta A. A. Beetle 1946-7-13 4716 Yolo Putah Canyon. Comment
  CDA33551  Dittrichia graveolens Robin Breckenridge & Katie Filippini 2009-12-15 PDR# 1313585 Yolo Interstate 505 N just before County Road 14 exit. 0 Comment
  UCD40554  Dittrichia graveolens A. M. Shapiro 2003-12-3 s.n. Yolo U.C. Davis campus, about 20 meters northwest of the Rec Pool Lodge. 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
  UCD168430  Dodecatheon hendersonii Ellen Dean 2017-3-15 9252 Yolo Audubon Bobcat Ranch, lands north of Hwy 128, just east of Monticello Dam. Bray Canyon and vicinity on the western side of ranch. Ranch burned once each year in 2014, 2015, 2016. 2017 has been a high rainfall year. Lower reaches of Bray Canyon on west side of creek. 57 Comment
  UCD56729  Dodecatheon hendersonii Ellen Dean; M. Bibbo 2007-3-23 3421 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
  SEINET8561757  Dodecatheon hendersonii G. Cook 1959-3-27 4 Yolo 5 miles W of Winters along Hwy 128. 305 Comment
  UC765620  Downingia insignis R. F. Hoover 1937-5-19 2299 Yolo near Zamora 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
  UCD55043  Downingia insignis K. Esau; M. Phillips 1929-4-11 1892 Yolo Davis. 15 Comment
  UCD55102  Downingia insignis L. P. Thibault 1995-5-9 9 Yolo Road 104; approx. 0.25 mi. north of Rd. 28H; west of Co. Landfill. 10 Comment
  UCD55106  Downingia insignis Beecher Crampton 1973-4-16 8916 Yolo Saxon SW 1. 5 Comment
  UCD34975  Downingia insignis Beecher Crampton 1996-4-22 10333 Yolo Yolo County, 3.5 miles S.E. of Woodland, along Mavis-Henson (Field) road, just east of its jct. with county road 102 and just south of road 25, T9N R2E, sect 11. Comment
  UCD55165  Downingia ornatissima Fleur Ng'weno 1989-4-30 DQ 20 Yolo D-Q University; County Road 31, 9 miles west of Davis city Center. 30 Comment
  UCD33963  Downingia ornatissima var. eximia Beecher Crampton 1975-5-23 9201 Yolo Yolo County, 1 mile S.W. of Saxon Station. Comment
  UCD54990  Downingia pulchella J. Skoss 1948-6-5 14 Yolo Swampy, low-lying area at west end Sacramento-Davis Causeway. 4 Comment
  UCD54993  Downingia pulchella R. H. Miller 1949-4-16 39 Yolo Near west end of Yolo Causeway. Comment
  UCD84337  Downingia pulchella Ayzik Solomeshch 2009-5-11 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCD84357  Downingia pulchella Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCD37381  Downingia pulchella Beecher Crampton 1960-4-25 5484 Yolo 0.5 miles W of Madison. Comment
  UC635710  Downingia pulcherrima D. Tebbe 1930-4-5 140 Yolo near Woodland; Sacramento Valley Comment
  UCD98688  Dysphania ambrosioides M. Wiesendanger 1927-10-1 811 Yolo Davis. University Farm. Comment
  SEINET11989050  Ecballium elaterium J. McCaskill, Onaga, K. 1965-1 709 Yolo N side of Botany greenhouse #10, University of California campus, Davis Comment
  SEINET241772 Image available Echinochloa Beecher Crampton 1965-7-27 7472 c Yolo 5.1 miles east of Woodland. Comment
  SEINET241774 Image available Echinochloa Beecher Crampton 1965-8-18 7482 q Yolo 3 miles NW of Davis on County Rd. 99 between roads 30 and 31. Comment
  CAS-BOT-BC197017  Echinochloa colona John Thomas Howell; Gordon H. True 1969-6-23 45796 Yolo Along highway 2 miles west of Knights Landing 15 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
  SBBG115752  Echinochloa colona B. Crampton 1965-10-5 7535 Yolo University of California Davis agronomy field house area Comment
  UCD32793  Echinochloa colona Beecher Crampton 1954-9-9 2268 Yolo Yolo County, 2 miles north of Davis, bean field. Comment
  UCD38017  Echinochloa colona Beecher Crampton 1962-9-11 6668 Yolo Yolo County, 3 miles west of city of Winters. Comment
  UCD60772  Echinochloa colona Beecher Crampton 1954-9-9 2268 Yolo 2 miles north of Davis. Comment
  UCR197957  Echinochloa colona Beecher Crampton 1953-8-24 1602 Yolo 1 mi west of city of Winters Comment
  SACT001028  Echinochloa crus-galli Brian Brown 1975-10-27 Yolo Semi-moist habitat. Comment
  UCD32862  Echinochloa crus-galli Beecher Crampton 1964-10-14 7219 Yolo Yolo County, UC Davis agronomy nursery weed Comment
  UCD32965  Echinochloa crus-galli Beecher Crampton 1965-8-18 7486 Yolo 3 miles W of Knight's Landing. Comment
  UCD37710  Echinochloa crus-galli Beecher Crampton 1961-7-21 5941 Yolo Yolo County, 5.5 miles west of city of Davis, along Russell Boulevard. Comment
  UCD37755  Echinochloa crus-galli Beecher Crampton 1961-10-25 6034 Yolo Yolo County, 2.5 miles south of Woodland, along County Road 98. Comment
  UCD60828  Echinochloa crus-galli Beecher Crampton 1961-7-21 5941 Yolo 5.5 miles west of Davis along Russell Blvd. Comment
  UCR141629  Echinochloa crus-galli Beecher Crampton 1964-10-14 7219 Yolo Sacramento Valley, UC Davis agronomy nursery 16 Comment
  UCD38762  Echinochloa crus-galli var. mitis Beecher Crampton 1957-11-5 4644 Yolo East of West Davis Elementary School, Davis. Comment
  UCD61096  Echinochloa muricata W. W. Mackie 1919-10-1 Yolo Yolo Co. Comment
  UC735746  Echinodorus berteroi Charles B. Heiser Jr. 1947-7-22 1964 Yolo rice field n. of Davis Comment
  RSA518822  Eclipta prostrata Barbara Ertter 1988-10-21 7985 Yolo Cache Creek at Rd 89 crossing just W of I-505, E of gravel pits 1.5 mi N of Madison, ca 10 airmiles W of Woodland. 37 Comment
  UCD131243  Eclipta prostrata K. Esau; K. Hartmann 1941-8-19 s.n. Yolo Knights Landing, U.S. #45. Comment
  UCD15439  Eclipta prostrata A. M. Shapiro 1995-9-29 s.n. Yolo California, Yolo Co.; West Sacramento, ca. 1/2 mile north of West Capitol Ave, (near the CHP Academy); Comment
  UCD131242  Eclipta prostrata Barbara Ertter 1988-10-21 7985 Yolo Cache Creek at Rd 89 crossing just W of I-505, E of gravel pits 1.5 mi N of Madison, ca 10 airmiles W of Woodland, Sacramento Valley. 36 Comment
  UCD81564  Eclipta prostrata W. D. Norton 1928-9-1 1432 Yolo Woodland. Comment
  UCD20606  Ehrendorferia chrysantha E. Dean; with M. Bibbo 2002-7-5 1120 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 3.0 road miles E of jct with road to Soda Springs and gate into McLaughlin Reserve. 579 Comment
  UCD61188  Ehrharta calycina George Mason 1959-3-11 Yolo Along drive at Sewage Treatment Plant, University of California campus, Davis. Comment
  UCD41307  Elaeagnus angustifolia Ellen Dean; Jean Shepard 2003-5-18 1820 Yolo UC Davis property along Russell Blvd. at intersection with Stevens Bridge Road, east side of Stevens Bridge Road. 15 Comment
  UCD49593  Eleocharis engelmannii W. D. Norton 1927-8-1 765 Yolo Yolo County. Comment
  UCD141690  Eleocharis macrostachya Ellen Dean; M. Taylor 2013-6-20 7802 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
  SEINET8820835 Image available Eleocharis macrostachya Margery Twining 1964-5-20 31 Yolo County Road 101A, .5 mi N of County Road 31, N of Davis Comment
  UCD49785  Eleocharis macrostachya R. Tofsrud 1947-4-24 s.n. Yolo North of Davis. 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
  UCD61266  Eleusine indica June McCaskill 1957-7-22 531 Yolo In front of Room 9, Temporary Building 4, University of California, Davis. Comment
  UCD61271  Eleusine indica Beecher Crampton 1952-9-30 852 Yolo Davis. Comment
  UCD61272  Eleusine indica Beecher Crampton 1957-8-19 Yolo Davis. Agronomy Division Grass Garden. Comment
  UCR119085  Eleusine indica Beecher Crampton 1964-7-29 7135 Yolo Sacramento Valley, UC Davis campus, baseball diamond. 15 Comment
  UCR197934  Eleusine indica Beecher Crampton 1952-10-3 852 Yolo Sacramento Valley, city of Davis 16 Comment
  SEINET3929192  Eleusine indica Beecher Crampton 1952-10-3 852 Yolo Yolo County, City of Davis.; 0 Comment
  JEPS84733  Elodea canadensis John W. Willoughby 1979-8-13 4423 Yolo Putah Creek Vaca Mountains, Putah Creek (fishing access along State Highway 128, about 1.2 mi nw of the junction with Pleasants Valley Road (County Rd 86), w end of fishing access) 60 Comment
  CAS-BOT-BC234101  Elymus multisetus A. A. Heller 1902-5-21 5577 Yolo Near Madison Comment
  UCD37510  Elymus repens Beecher Crampton 1961-3-13 5828 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
  UCD105387  Epilobium brachycarpum Daryl Koutnik; John Sowell 1978-10-27 570 Yolo Putah Creek, east of County Road 106 and west of Yolo Causeway. 6 Comment
  UCD21340  Epilobium brachycarpum J. Shepard 2000-8-26 335 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. On the south side between road and parking lot. 12 Comment
  UCD80945  Epilobium brachycarpum Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5348 Yolo City of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Old rodeo area. Buildings gone now. 9 Comment
  UCD35450  Epilobium brachycarpum Beecher Crampton 1956-9-28 3873 Yolo 3 miles west of Davis. 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
  UCD105941  Epilobium campestre Fleur Ng'weno 1989-5-15 DQ 48 Yolo D-Q University County Road 31, 9 miles west of Davis city center. 29 Comment
  UCD33960  Epilobium campestre Beecher Crampton 1975-5-23 9198 Yolo Junction of County Roads 38 and 106. Comment
  UCD33973  Epilobium campestre Beecher Crampton 1975-6-11 9212 Yolo Junction of County Roads 38 and 106 off the SW corner. Comment
  UCD141692  Epilobium ciliatum Ellen Dean; M. Taylor 2013-6-20 7804 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
  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
  UCD73140  Epilobium cleistogamum Ayzik Solomeshch 2003-5-30 s. n. Yolo Department of Fish and Game Glide Tule Ranch, about 8 mi. southeast of Davis. 6 Comment
  UCR212350  Epilobium cleistogamum Ayzik Solomeshch 2003-5-30 s.n. Yolo Dept. of Fish and Game Glide Tule Ranch, about 8 miles SE of Davis 6 Comment
  UCD33959  Epilobium cleistogamum Beecher Crampton 1975-5-23 9197 Yolo Junction of County Roads 38 and 106 off the SW corner. Comment
  UCD138942  Epipactis gigantea Patti Paige 1960-5-5 19 Yolo bank of Cache Creek, south of Boy Scout Campground, State Highway 16, 3 miles northwest of Rumsey. Comment
  UCD142962  Equisetum X ferrissii Ellen Dean; N. Gonzales 2013-8-8 7935 Yolo Downstream of Monticello Dam along Hwy 128, north side of Putah Creek in Putah Creek Vegetation Survey Plot INT 2A. 45 Comment
  UCD135611  Equisetum laevigatum Beecher Crampton 1975-1-20 9105 Yolo North of Elkhorn Bridge over the Sacramento River. IS Hwy.5. Comment
  SEINET242406 Image available Eragrostis June McCaskill 1976-9-9 s.n. Yolo City of Davis, front yard of 731 A Street. Comment
  CDA205  Eragrostis cilianensis P. B. Kennedy Yolo Grass Garden, Davis. 0 Comment
  RSA653961  Eragrostis cilianensis Beecher Crampton 1966-10-11 7811 Yolo UC Davis agronomy field. Comment
  SBBG26366  Eragrostis cilianensis B. Crampton 1966-10-11 Yolo University of California Davis campus, agronomy field Comment
  SD148007  Eragrostis cilianensis Michael W. Hair 1990-8-12 Yolo Davis, University of California, experimental plot A-12, west of State Highway 113 Comment
  UCD36486  Eragrostis cilianensis Beecher Crampton 1953-10-15 1685 Yolo Yolo County, city of Davis, University of California Agronomy Plots. Comment
  UCD62959  Eragrostis cilianensis W. W. Robbins 1943-8-1 Yolo Lowe Ranch north of Woodland. Comment
  UCD62973  Eragrostis cilianensis Beecher Crampton 1952-9-24 843 Yolo U. C. - Davis. Comment
  CAS-BOT-BC213550  Eragrostis curvula P. B. Kennedy 1915-1-1 s.n. Yolo Davis Comment
  CAS-BOT-BC213551  Eragrostis curvula John Thomas Howell; Gordon H. True 1967-6-11 42553 Yolo Roadside NW of Woodland Comment
  SEINET208620 Image available Eragrostis curvula L. S. Rose 1967-6-11 67101 Yolo 2 mi nw of Woodland 6 Comment
  UCD62994  Eragrostis curvula var. curvula Lewis S. Rose 1967-6-11 67101 Yolo 2 mi nw. of Woodland. 6 Comment
  UCD63209  Eragrostis hypnoides R. Tofsrud 1942-11-1 163 Yolo Near Davis. Comment
  UCR151938  Eragrostis megastachya Beecher Crampton 1964-7-28 7132 Yolo Sacramento Valley, UC Davis campus, central garage 16 Comment
  SEINET4571589  Eragrostis mexicana B. Crampton 1953-10-16 1702 Yolo 4 miles east of city of Davis, along U.S. HWY 40 Comment
  UCD36478  Eragrostis mexicana subsp. virescens Beecher Crampton 1953-10-9 1665 Yolo Yolo County, city of Davis, University of California campus. Comment
  UCD37826  Eragrostis mexicana subsp. virescens Beecher Crampton 1961-11-15 6079 Yolo Yolo County, city of Davis, University of California campus, around parking area and greenhouse north of Robbins Hall. Comment
  UCD63638  Eragrostis mexicana subsp. virescens Beecher Crampton 1961-3-20 5841 Yolo city of Davis, University of California Botany Greenhouse area. Comment
  UCD64329  Eragrostis pectinacea Beecher Crampton 1953-10-16 1701 Yolo 4 miles east of city of Davis, along U.S. Highway 40. Comment
  UCR197995  Eragrostis poaeoides Beecher Crampton 1953-10-15 1686 Yolo Sacramento Valley, city of Davis, University of California campus Agronomy Plots 16 Comment
  UCD151019  Erigeron bonariensis D. S. Park 2010-5-28 99 Yolo UCD, east of Science Lecture Bldg. 10 Comment
  UCD151029  Erigeron bonariensis D. S. Park 2010-6-1 110 Yolo UCD Arboretum. Disturbed site/hillside near bridge. 15 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
  UCD32790  Eriochloa Beecher Crampton 1954-9-1 2264 Yolo U.C. Agronomy, strawberry clover plots. Comment
  UCD34570  Eriochloa Beecher Crampton 1985-7-27 10015 Yolo Davis, G st. between 3 and 4 th streets. Comment
  CAS-BOT-BC278501  Eriochloa contracta Beecher Crampton 1955-9-6 3148 Yolo Along County Road 29, about 5 miles northwest of Davis Comment
  RSA734062  Eriochloa contracta Beecher Crampton 1960-9-21 5780 Yolo Yolo County, city of Davis, University of California Agronomy Plots. Comment
  UCD37497  Eriochloa contracta Beecher Crampton 1960-9-21 5780 Yolo city of Davis, University of California Agronomy Plots. Comment
  UCD14642  Eriodictyon californicum Deanna Lynn Pfleger 1989-6-7 9 Yolo California, Yolo Co.; Stebbins Reserve; 97 Comment
  UCD20853  Eriodictyon californicum N. Nicola 2001-4-23 070 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  UCD33711  Eriodictyon californicum Beecher Crampton 1972-5-3 8804 Yolo Yolo County, ca. 10 miles west of Davis on County road 31 just west of its junction with County road 92E. Comment
  UCR198052  Eriodictyon californicum Lisa Montany 1985-5-4 14 Yolo Old Putah Creek Road, 1/2 mi east of Hwy 505 30 Comment
  CDA40323  Eriodictyon californicum T. C. Fuller 1958-4-23 352 -58 Yolo 1 mile north of Rumsey. 0 Comment
  SEINET12350272  Eriodictyon californicum Unknown 1998-6-4 22 Yolo 4 mi W of Winters on Hwy 128, 0.5 m W of road 140 Comment
  SD22310  Eriogonum dasyanthemum Rowena Beans 1913-10-9 Yolo Guinda Comment
  UCD20906  Eriogonum dasyanthemum N. Nicola 2001-10-14 134 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  UCD99891  Eriogonum dasyanthemum Beecher Crampton 1954-9-9 2266 Yolo 2 miles west of winters. Comment
  SEINET5728877 Image available Eriogonum umbellatum Mohamed Shagrun 1960-1 s.n. Yolo University farm, University of California; Davis Comment
  UC1504697  Eriogonum wrightii Tim Lowrey 1972-7-30 Yolo bank on edge of Cache Creek 1 mi n Rumsey Bridge; Cache Creek 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
  SEINET8526772  Erodium botrys G. Cook 1959-3-27 10 Yolo Collected 2 miles east of Davis, found along highway 99 W 15 Comment
  UCD103028  Erodium botrys Beecher Crampton 1959-4-7 5156 Yolo Davis, along railroad. Comment
  UCD81022  Erodium brachycarpum Ellen Dean; D. Bales, M. Krug, L. Snyder, D. Dhakal, A. Franco 2009-4-1 5364 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
  CDA4399  Erodium cicutarium D. G. Kelch 2007-5-18 7 .321 Yolo Yolo Causeway, 0.4 mi E of Levee Rd. / RR crossing. Comment
  UCD56711  Erodium cicutarium Ellen Dean; M. Bibbo 2007-3-23 3404 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SW portion of ranch. 649 Comment
  UCD62868  Erodium cicutarium Tavis Forrester; Plant Biology 102 students 2008-4-6 6 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. 109 Comment
  UCR257135  Erodium cicutarium George K. Helmkamp, Mary Alice Barnes 2013-5-8 20509 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
  HSC8491  Erodium cicutarium M. Dole 1963-4-7 1 Yolo 1 mi. S of Hwy. 40 on Rd. 104 Comment
  RSA696385  Erodium cicutarium Keith E. Hoffmaster 1941-3-15 997 Yolo University campus, Davis. Back of heating plant, campus not crowded. Comment
  UCD103184  Erodium cicutarium P. B. Kennedy 1926-5-10 s.n. Yolo University Farm, Davis. Comment
  UC1040704  Erodium macrophyllum Beecher Crampton 1955-5-12 2773 Yolo 7.5 mi w Davis (Wm. Moon Ranch) Comment
  UCR237638  Erodium moschatum George K. Helmkamp, E. A. Helmkamp 2012-3-9 18614 A 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
  UCD103259  Erodium moschatum G. F. Hrusa 1996-4-10 12743 Yolo Central Valley, W side of Tule Canal, 1/2 miles N of Interstate 5 and 4 m. S of Woodland. 20 Comment
  UC874909  Eryngium aristulatum var. aristulatum John Thomas Howell 1934-6-17 12248 Yolo 5 mi. s.w. Woodland Comment
  JEPS114044  Eryngium jepsonii Robert E. Preston 2007-4-20 2434 Yolo 7.6 mi S of Davis, on Tule Ranch Comment
  UCD54558  Eryngium oblanceolatum J. Shepard 2000-5-26 276 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 to low area. 12 Comment
  UCD21174  Eryngium oblanceolatum Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-6-4 349 Yolo near the town of Davis. SE of Road 104 and Road 38. Glide/Tule Ranch site. Pool # GLI002. 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
  POM143102  Erysimum capitatum var. capitatum C. F. Baker 1903-5-8 2893 Yolo Cache Creek cannon [Canyon] Comment
  SEINET12104672  Eschscholzia californica Unknown 1998-6-6 32 Yolo N of Davis, 4 km N from Covell Blvd on F Street, on eastern side of road next to railroad tracks 13 Comment
  UCD73718  Eschscholzia californica Ayzik Solomeshch 2004-5-14 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  CDA24557  Eschscholzia californica R. E. Skaggs 1962-4-17 Yolo On railroad right of way, 1st & G Streets, Davis. 0 Comment
  UCD39512  Eschscholzia lobbii Beecher Crampton 1978-3-16 9549 Yolo California. Yolo Country: 2 miles west of Winters foothills. Comment
  UCD95364  Eschscholzia lobbii Beecher Crampton 1978-3-16 9549 Yolo 2 miles west of Winters. Comment
  UCD103098  Eucalyptus camaldulensis Cynthia Hodges 1982-4-16 17 Yolo 5 miles W of Davis on SE corner of Russell Blvd. and Stevenson Bridge Road. Comment
  UCD151232  Eucalyptus camaldulensis Ellen Dean; Whitney Krupp 2015-2-9 8586 Yolo University of California at Davis campus. Vicinity of the soccer field north of Kleiber Hall Drive, near large parking lot. Near NE corner of the soccer just north of field, adjacent to pedestrian path and bike path. 15 Comment
  UCD151231  Eucalyptus polyanthemos Ellen Dean; Whitney Krupp 2015-2-9 8585 Yolo University of California at Davis campus. Vicinity of the soccer field north of Kleiber Hall Drive, near large parking lot. Near NE corner of the soccer just SE of bicycle circle, adjacent to new BOG plantings and the Mann Laboratory. 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
  CDA29467  Euphorbia oblongata Robin Breckenridge 2009-5-26 s.n. Yolo In the vicinity of Madison and Winters. Along CR 89, between CR 25 and CR 20. 0 Comment
  CDA33556  Euphorbia oblongata Jenni King 2010-5-21 PDR# 1520110 Yolo Near Woodland at intersection of County Road 25A and County Road 99 0 Comment
  UCD14571  Euphorbia oblongata Michelle Mahoney 1965-5-20 22 Yolo Davis, on K Street bewteen 3rd and 4th streets. Comment
  SEINET12515074 Image available Euphorbia peplus Jo Nixon 1951-5-3 Yolo Weed on campus Comment
  SFV2094  Euphorbia peplus J. M. Tucker 1951-2-25 2042 Yolo Sacramento Valley Davis. University of California Davis campus. Landscape Gardening lathhouse. Comment
  UCR55550  Euphorbia serpens D. L. Koutnik 1988-8-20 s.n. Yolo Sacramento Valley, city of Davis, Hanover Drive behind Lucky's Market, east of Anderson Road 23 Comment
  UCD161052  Euphorbia serpillifolia Craig Thomsen 2006-6-30 2614 Yolo Camp Haswell. West side of Cache Creek. 144 Comment
  UCD20602  Euphorbia serpillifolia E. Dean; with M. Bibbo 2002-7-5 1147 Yolo McLaughlin UC Reserve. Clover Valley, W of main road that goes N-S through valley. 457 Comment
  UCD38286  Euphorbia serpillifolia B. Crampton 1952-10-28 891 Yolo 5 miles west of Winters. Comment
  UCD142975  Euphorbia serpillifolia subsp. serpillifolia Ellen Dean; C. Robbins 2013-8-28 7992 Yolo Eastern edge of the City of Woodland. Property owned by the City of Woodland. North of Gibson Road extension on E side of Pole Line Rd. (County Rd. 102); north of existing sewer plant in an area that once had evaporation ponds. Area was recently used as borrow pit for the raised soil slab that has been prepared for the Woodland- Davis water treatment plant construction project (for clean drinking water.) Borrow pit is just south of that slab. 0 Comment
  UCD21036  Euphorbia spathulata Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-4-4 222 Yolo near the city of Davis. Approximately 1.2 miles S of intersection of Road 105 and Road 38. Glide/Tule Ranch site. 2 Comment
  CAS-BOT-BC310662  Euthamia occidentalis Clarence R. Quick 1971-8-26 71 -60 Yolo Pylman-Quick garden, Merritt Island, near Clarksburg Comment
  CDA5283  Euthamia occidentalis P. Arnaud 1952-9-18 Yolo West Sacramento. 0 Comment
  CDA5285  Euthamia occidentalis T. C. Fuller 1959-9-17 3930 Yolo Harbor Boulvard & Freeway, West Sacramento. 0 Comment
  RSA518888  Euthamia occidentalis Barbara Ertter 1988-10-21 7986 Yolo Cache Creek at Rd 89 crossing just W of I-505, E of gravel pits 1.5 mi N of Madison, ca 10 airmiles W of Woodland. 37 Comment
  UCD39939  Fagopyrum tataricum Beecher Crampton 1964-11-18 s.n. Yolo UC Davis Campus. Comment
  SEINET4560674  Festuca myuros George K. Helmkamp, E. A. Helmkamp 2012-1 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
  UCR212295  Festuca myuros var. hirsuta Ellen Dean, Susan Xhang, Christa Lindsey, Chris Mosser 2008-5-3 4894 A Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Montecello Dam; west side of Bray Canyon 101 Comment
  UCD147295  Festuca perennis Carol W. Witham 2003-4-11 945 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD41015  Festuca perennis Carol W. Witham 2003-4-11 945 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCR257211  Festuca perennis George K. Helmkamp, Mary Alice Barnes 2013-5-8 20522 Yolo Southern Sacramento Valley, Yolo Bypass Wildlife Area, 0.9 mile southeast of the junction of Chiles Road and I-80, between Sacramento and Davis 13 Comment
  CHSC111074  Festuca roemeri var. klamathensis John Anderson 2014-6-15 Yolo Hedgerow Farm, Winters. Comment
  UCD66294  Festuca rubra Beecher Crampton 1979-3-11 Yolo Davis. Comment
  UCD111856  Ficus carica Cay Collette 1975-4-12 9 Yolo Knight's Landing. Approx. 15' from Sacramento River. 15 Comment
  HSC101754  Ficus carica J. M. DiTomaso 1979-5-12 980 Yolo Road 128, 6 miles west of Davis Comment
  UCR119137  Filago gallica Beecher Crampton 1953-4-27 1140 Yolo Sacramento Valley, 2 miles northwest of city of Winters, on Road 87 46 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
  UCD34258  Frankenia salina Beecher Crampton 1978-6-27 9614 Yolo Yolo County, 4 miles S.E. of Woodland, T9N R2E sect. 11 N.E. 1/4. Comment
  UCD99601  Frankenia salina H. Popenoe 1949-5-26 26 Yolo banks of Pole Road canal 3 miles northeast of Davis. 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
  UCD35565  Fraxinus dipetala Beecher Crampton 1958-4-21 4715 Yolo 2.7 miles NW of Rumsey. Along State Hwy 16 above Cache Creek. Comment
  UCD122051  Fraxinus latifolia Cay Collette 1975-5-31 23 Yolo Knight's Landing, 15' from Sacramento River. 15 Comment
  UCD164523  Fraxinus latifolia Craig D. Thomsen 2009-5-15 2914 Yolo Camp Haswell County Park, along secondary drainage south of parking lot. 129 Comment
  UCD15589  Fremontodendron californicum J. A. Johnston 1995-5-16 20 Yolo UC Davis Campus, north edge of the Experimental College Gardens. 50 Comment
  UCD139659  Fritillaria agrestis J. M. Tucker 1955-3-13 2759 a Yolo ca. 3 miles northeast of Davis. Comment
  CDA39332  Fritillaria pluriflora Mr. Clement 1930-2-25 s.n. Yolo Capay Valley. 0 Comment
  UCD77733  Fumaria parviflora Robert E. Preston 2001-3-29 1500 Yolo Woodland, along w side of County Road E-8, 0.2 mi s of E. Kentucky Ave. 10 Comment
  UCD95138  Fumaria parviflora Robert E. Preston 2001-3-29 1500 Yolo Woodland, along west side of County Road E-8, 0.2 mile south of E Kentucky Avenue. 10 Comment
  UCD162343  Galium andrewsii Craig Thomsen 2006-6-13 2665 Yolo Along ridgeline trail (accessed at turn-out across the road from Camp Haswell), approximately 0.5 mile south of Hwy 16. Yolo County park adjacent to Cache Creek. Rumsey Canyon. 457 Comment
  UCD121624  Galium aparine Rolf Y. Berg 1964-3-14 8009 Yolo State Highway 16, ca. 2.5 miles northwest of Rumsey. Comment
  UCD48157  Galium aparine A. Laffin; S. Holck, A. Randall 2002-4-13 11 Yolo Yolo County, McLaughlin UC Reserve. W side of Davis Creek Reservoir, along road that goes from Soda Spring area to Rayhouse Rd. Ca. 0.5 airline mile due N of Soda Springs and ca. 1.0 airline mile WNW of UC Davis Aquatic Lab facility, south of running stream, 20 yards from the N side of the road. 488 Comment
  UCD121662  Galium aparine Beecher Crampton 1962-4-2 6106 Yolo Yolo County, 2 miles west of Winters, County Road 89. Comment
  UCD37789  Galium aparine Beecher Crampton 1962-4-2 6106 Yolo Yolo County, 2 miles west of Winters, Road 89. Comment
  UCD73602  Galium murale Ellen Dean; Elizabeth Goebel 2008-4-7 4732 a Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat in the northeastern part of the ranch that is accessed by a private road at the end of Moody Slough Road. 70 Comment
  UCD20612  Galium parisiense E. Dean; with M. Bibbo 2002-7-5 1159 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
  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
  UC1562739  Galium porrigens var. tenue Barbara Ertter with 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, ca 5 air mi wsw of Rumsey) 731 Comment
  UCD81011  Galium porrigens var. tenue Jose-Luis Rayas; with PLB 102 students 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. West side of canyon. 89 Comment
  CDA30592  Galium tricornutum M. Beyers 2010-5-12 452 Yolo Just east of County Road 87, along County Road 19. 54 Comment
  UCD121926  Galium tricornutum C. H. Justus 1965-3-23 s.n. Yolo Co. Rd. 42, Guinda. Comment
  UCD20551  Garrya elliptica Pat Sullivan 1981-1-30 HN 6 Yolo Davis, UC Davis. Comment
  UCD23214  Gastridium phleoides A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCR219959  Gastridium ventricosum Ayzik Solomeshch 2004-5-23 s.n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of the ranch. Grassland restoration and weed control plots of Emilio Laca and Joe DiTomaso 84 Comment
  UCD20374  Genista monosperma K. Esau 1932-3-10 s. n. Yolo Yolo County, UC Davis Campus. Comment
  UCD56719  Geranium Ellen Dean; M. Bibbo 2007-3-23 3412 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
  UCD41125  Geranium dissectum N. Nicola 2002-4-5 166 Yolo Eastern foothills of inner north coast range, Capay Valley. About 0.4 miles as the crow flies west of Guinda. Comment
  UCD48037  Geranium dissectum S. Olmsted; M. Atamian, R. Brush, M. Furuyama, C. Owens 2000-4-29 2 Yolo Yolo Co, 1 mile north of Knoxville as the crow flies, 300 m east of an old dirt road that intersects the Yolo/Napa Co line. 640 Comment
  UCD81774  Geranium dissectum Ellen Dean 2009-4-26 5474 Yolo Bobcat Ranch lands to the north of Hwy 128, just east of Monticello Dam. Bray Canyon. West side of Bray Creek. 76 Comment
  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
  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
  RSA0054877  Gilia capitata Keith E. Hoffmaster 1939-4-26 934 Yolo Putah can. Comment
  RSA0054883  Gilia tricolor Keith E. Hoffmaster 1946-3-29 1213 Yolo Putah can. Comment
  UCD39506  Gilia tricolor Beecher Crampton 1982-3-8 9816 Yolo California. Yolo County, 5 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
  SEINET240094 Image available Glyceria declinata Beecher Crampton 1954-4-15 T.O. 2243 Yolo CULTIVATED; UC Davis agronomy experimental area, plant introduction nursery. Comment
  UCR242397  Glycyrrhiza glabra Ellen Dean, T. Starbuck 2001-8-21 7210 Yolo City of Davis, at SW corner of intersection of Cowell Blvd. and Drummond Ave., on south side of Hwy 80 12 Comment
  CDA27060  Glycyrrhiza lepidota G. D. Barbe 1985-9-12 4255 Yolo East side of Sacramento Deep Water Channel, west of Jefferson Boulevard. 0 Comment
  UCD105770  Glycyrrhiza lepidota Beecher Crampton 1953-10-29 1729 Yolo Along Putah Creek, 5 miles west of Winters. Comment
  UCD105771  Glycyrrhiza lepidota Beecher Crampton 1974-6-18 9055 Yolo 6 miles west of Winters, Putah Creek. Comment
  UCD105808  Glycyrrhiza lepidota D. H. Hartmann 1941-8-10 s.n. Yolo 10 mi. N. of Woodland on #24. Comment
  CAS-BOT-BC303347  Gnaphalium palustre A. A. Heller; H. E. Brown 1902-5-21 5575 Yolo Near Madison Comment
  UCD38839  Gnaphalium palustre Beecher Crampton 1958-6-27 4991 Yolo along county road 99 about three miles northwest of Davis. Comment
  UCD131655  Grindelia camporum G. F. Hrusa; T. D. Wilfred 1996-12-19 13594 Yolo on canal side of levee along Tule Canal approx. 1/3 mile east of Interstate 5 and 1/4 mile north of Sacramento River on south side of Yolo Bypass. 15 Comment
  CAS-BOT-BC314673  Grindelia hirsutula John Thomas Howell 1964-5-10 40698 Yolo Along railroad near Winters 39 Comment
  CAS-BOT-BC314679  Grindelia hirsutula A. A. Heller; H. E. Brown 1902-5-21 5578 Yolo Near Madison Comment
  SEINET3139961  Grindelia hirsutula M. P. Dunford 1959-9-11 529 Yolo 1/2 mi W of W end of Yolo Causeway Comment
  UCD59352  Helianthella californica var. californica Ellen Dean; Kate Mawdsley 2007-5-11 3776 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
  UCD41048  Helianthus annuus Carol W. Witham 2003-8-8 979 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-BC305491  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
  UCD132894  Helianthus bolanderi A. S. Crafts 1926-7-8 434 Yolo University Farm Campus, Davis. Comment
  SEINET4008332 Image available Helianthus bolanderi C. B. Heiser, W. Meagher; M. Meagher 1946-1 1851 Yolo 4.7 miles north of Yolo, Comment
  UCD35878  Helianthus bolanderi Beecher Crampton 1965-10-8 7538 Yolo 2 miles e.n.e. of Woodland, County Road 20. Comment
  UCD169599  Helianthus tuberosus Jan Tetreault; Gerald Solly 2017-11-3 s.n. Yolo City of Woodland, S side of Lincoln St. between College and Elm Sts. 21 Comment
  UCD41088  Heliotropium N. Nicola 2003-7-3 400 Yolo Sacramento Valley, Davis residence. Comment
  UCD119451  Heliotropium curassavicum var. oculatum M. I. Wibawa 1996-6-2 38 Yolo Putah Creek Reserve, 200 yds W of Old Davis Rd. 17 Comment
  UCD20899  Heliotropium curassavicum var. oculatum N. Nicola 2001-5-17 127 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  UCD81552  Heliotropium curassavicum var. oculatum W. W. Robbins; W. D. Norton 1928-8-1 1423 Yolo near Clarksburg. Comment
  SBBG117340  Heliotropium curassavicum var. oculatum B. Crampton 1959-6-11 5353 Yolo W Sacramento, industrial lot Comment
  UCD33994  Heliotropium curassavicum var. oculatum Beecher Crampton 1975-7-7 9236 Yolo Yolo County, Davis, F st. adjacent to little league baseball diamond. Comment
  SFV3122  Heliotropium europaeum W. R. Russell 1965-6-21 s. n. Yolo Sacramento Valley In garden at Russell residence. Sharon Ave., Binning subdivision, about 2 miles north of Davis. Comment
  CHSC59300  Hemizonia congesta subsp. luzulifolia Fleur Ng'weno 1991-11-1 DQ 51 Yolo D-Q University County Road 31, 9 mi. west of Davis city center. 29 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
  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
  RSA10406  Hemizonia pungens subsp. pungens C. B. Wolf 1928-5-8 2146 Yolo Sacramento Valley; 12 miles north of Dixon. Comment
  UCD144282  Hesperevax caulescens Carol W. Witham 2003-4-7 886 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD144283  Hesperevax caulescens Carol W. Witham 2003-4-7 886 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD84348  Hesperevax caulescens Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCD18216  Hesperis matronalis Joe Ditomaso 2001-4-10 s.n. Yolo City of Davis, 8th St. and Eureka. Comment
  JEPS122881  Hesperolinon micranthum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 628 Yolo Along top of slope west of fire road at top of Rayhouse Rd east of Davis Reservoir Comment
  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
  UCD15546  Heteromeles arbutifolia Lara Hawthorne 1989-6-3 13 Yolo Hwy 128 near Stebbins Reserve. Comment
  UCR206543  Heteromeles arbutifolia George K. Helmkamp, E. A. Helmkamp 2009-3-17 14406 Yolo Inner North Coast Ranges Foothills, along CA-20 and Cache Creek, 4.3 miles southeast of the Colusa County line 159 Comment
  UCD33889  Heterotheca grandiflora Beecher Crampton 1975-1-20 9104 Yolo north of Elkhorn Bridge over Sacramento river, on Hwy 5. 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
  JEPS2481  Heterotheca oregona var. scaberrima W. L. Jepson 1887-9-17 14677 Yolo near Winters; Putah Creek Comment
  UCD115094  Hirschfeldia incana Cay Collette 1975-5-31 18 Yolo Knight's Landing. Rip-rapp, along levee roadside-Sacramento River. 15 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
  UCD80977  Hirschfeldia incana Angelica Sauceda; Ellen Dean, Clare Loughran 2009-4-26 2 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Mouth of Bray Canyon. Upland from creek. 56 Comment
  UCD38255  Hirschfeldia incana Beecher Crampton 1953-8-18 1597 Yolo Davis. Comment
  UCD84852  Holcus lanatus A. S. Crafts 1926-7-8 474 Yolo University Farm Campus, 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
  UCD35375  Hordeum depressum Beecher Crampton 1956-4-9 3241 Yolo Winters. Comment
  UCD85633  Hordeum depressum R. Tofsrud 1949-4-1 s.n. Yolo Davis Railroad Tower. Comment
  UCD85634  Hordeum depressum R. Tofsrud 1949-4-1 s.n. Yolo Davis Railroad Tower. Comment
  UCR151568  Hordeum depressum Beecher Crampton 1954-4-1 1749 Yolo 2 mi N of city of Davis Comment
  UCR220402  Hordeum depressum Jean V. Shepard 2001-4-13 432 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. C. 400 yards south of the large vernal pool west of Dept. of Defense fence 12 Comment
  SEINET218336 Image available Hordeum leporinum C. Wray 1964-5-2 28 Yolo Putah Creek bank near Primate Center and sewage treatment plant University of California-Davis Comment
  UCD21264  Hordeum marinum subsp. gussoneanum J. Shepard 2000-4-30 154 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, on the south side, past parking lots in field. 12 Comment
  UCD21301  Hordeum marinum subsp. gussoneanum J. Shepard 2000-5-13 242 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
  UCD36158  Hordeum marinum subsp. gussoneanum Beecher Crampton 1953-3-16 1007 Yolo 3 miles north of city of Davis, on pullout embankment at side of railroad. Comment
  UCD85801  Hordeum marinum subsp. gussoneanum A. A. Beetle 1946-4-15 4374 Yolo Woodland airport. Comment
  UCD85905  Hordeum marinum subsp. gussoneanum M. Wiesendanger 1927-4-29 586 Yolo Davis. Comment
  UCD85933  Hordeum murinum C. G. Baughn 1949-5-15 42 Yolo Davis. Comment
  UCD86224  Hordeum murinum Morris Halperin 1931-3-7 s.n. Yolo Davis. Near Agronomy Bldg. Comment
  UCD86241  Hordeum murinum P. B. Kaufman 1950-3-19 12 Yolo Davis. UC Davis. Comment
  UCD86487  Hordeum murinum M. Wiesendanger 1927-4-29 587 Yolo Davis. Comment
  SEINET9314228  Hordeum murinum Unknown 1963-3-2 6712 Yolo UC Davis Campus Comment
  CAS-BOT-BC284774  Hordeum murinum subsp. glaucum John Thomas Howell 1954-5-15 s.n. Yolo Woodland Comment
  UCD37786  Hordeum murinum subsp. glaucum Beecher Crampton 1962-3-30 6095 Yolo Davis, Vacant lot on eastern side of B Street between 1st and 2nd Streets. Comment
  CHSC114893  Hordeum murinum subsp. leporinum M. Beyers 2010-4-3 330 Yolo Along Highway 128, immediately adjacent to westbound traffic just northeast of Putah Creek (and Lake Solano County Park). 48 Comment
  LA206388  Hordeum murinum subsp. leporinum I. L. Eaks; 1951-5-2 42 Yolo Truck Crops plots, 2 mi. W of Davis Comment
  CDA2212  Hordeum murinum subsp. leporinum Margaret Bellue 1933-6-3 Yolo 0 Comment
  UCD85669  Hordeum pusillum Beecher Crampton 1968-5-21 s.n. Yolo UC Davis Campus. Agronomy Experimental Area. Plant Introduction Nursery. Row B-12 Comment
  UCD86533  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
  UCD160541  Hornungia procumbens Ellen Dean; Craig Thomsen 2015-3-21 8595 Yolo Audubon Bobcat Ranch. Western part of ranch, just north of Hwy 128 and N of Putah Creek. Area E of Bray Canyon at base of large escarpment labeled 'spring' on topo maps. Burned in 2014. 220 Comment
  UCD94039  Hunnemannia fumariifolia Shannon M. Still 2006-3-31 19 Yolo California. Yolo County: UC Davis campus on south side of Storer Hall. 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
  UCD110321  Hypericum patulum R. Koch 1996-6-5 22 Yolo city of Davis. Along roadside on Russell Blvd. in North Davis. Comment
  CDA36939  Hypochaeris glabra 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
  UCD144284  Hypochaeris glabra Carol W. Witham 2003-4-19 960 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 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
  UC691036  Incarvillea diffusa A. Hansen 1944-9-30 Yolo Davis Campus, University of Calif. 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
  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
  SEINET10911495  Juglans Stephanie Frischie 2000-10-14 Frischie 150 Yolo Davis Farmers' Market, Davis, CA. Comment
  UCD110267  Juglans hindsii S. C. Hanson 1949-5-18 3 Yolo South of Highway 99, near Davis. 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
  UCD14614  Juglans hindsii Nathan Horn 1989-6-7 23 Yolo California, Yolo Co.; along Old Davis Road, ca. 1 mile south of University of California, Davis; 15 Comment
  UCR106826  Juglans hindsii Glen Luft 1982-6-4 6 Yolo Sacramento Valley, Outside Davis, along Covell Road. 22 Comment
  UC1543158  Juncus balticus Charlotte G. Nast 1936-4-17 133 Yolo n of Davis (Woodland highway) Comment
  SEINET3877628  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.; 0 Comment
  SEINET6174904  Juncus oxymeris A. A. Heller 1902-5-21 5574 Yolo Near Madison Comment
  CHSC52484  Juncus patens Edward L. Wong 1975-5-31 33 Yolo At streamside, 6.3 miles west of Winters from intersection of Railroad Avenue and Grant Avenue on State Highway 128. 121 Comment
  UCD20745  Juncus patens E. Dean; with M. Bibbo 2002-7-5 1150 Yolo McLaughlin UC Reserve. Clover Valley, W of main road that goes N-S through the valley, alongside of dried drainage, S of stock pond. 457 Comment
  UCD56694  Juncus patens Ellen Dean 2006-10-27 3303 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
  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
  UCD60333  Juncus xiphioides Ellen Dean; Kate Mawdsley 2007-6-8 3868 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
  UCD20518  Juniperus californica E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1090 Yolo McLaughlin UC Reserve. Along Rayhouse Rd. N side of Davis Creek resevoir. 0.6 road miles E of intersection with Soda Springs road. Downslope side of road. 463 Comment
  SEINET11740553  Juniperus chinensis Unknown 1972-6-19 s.n. Yolo University of California Davis, EH 68.573 (from Monrovia Nursery) Comment
  SEINET8055970 Image available Juniperus chinensis June McCaskill 1959-1 588 Yolo Student health center, University of California Comment
  UCD20532  Juniperus oxycedrus Andrew T. Leiser 1984-3-18 s.n. Yolo Yolo County, Clarksburg, Clarksburg Community Church. Comment
  SEINET11740552  Juniperus scopulorum Unknown 1972-6-19 s.n. Yolo University of California Davis, EH 68.603 (from Monrovia Nursery) Comment
  SEINET8057807 Image available Juniperus virginiana June McCaskill 1955-8-4 389 Yolo In front of Davis High School, 23 Russell Boulevard, Davis Comment
  SEINET7249302 Image available Justicia spicigera June McCaskill 1958-1 551 Yolo Landscape Management Greenhouse at Field Headquarters, University of California, Davis. 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
  CAS-BOT-BC237819  Keckiella lemmonii Roxana Stinchfield 1916-6-26 351 Yolo Road crossing Buckeye Cr. near County line warehouse Comment
  UCD160038  Keckiella lemmonii Catherine Koehler 2013-6-11 s.n. Yolo McLaughlin UC Reserve. Clover Valley, where chaparral comes close to the road, past Seabloom Meadow. 457 Comment
  CDA41412  Keckiella lemmonii Sartain & Rominger s.n. Yolo Cottonwood Creek, south of Esparto. 0 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
  UCD102193  Kickxia elatine Daniel Sanchez-Mata; Tomas Santamaria 2008-7-15 s.n. Yolo Winters. Liwai Village Court. Barbour-Whitworth's property. 400 Comment
  UCD149374  Kickxia elatine Collector Unknown 1952-1 s.n. Yolo City of Esparto. 58 Comment
  RSA26489  Kickxia elatine E. H. Hyde 1940-6-19 s.n. Yolo University of California Farm, Davis. Comment
  SEINET10782597  Kickxia elatine Barbara J. Ertter 1988-10-21 Ertter 7984 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. 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
  UCD36095  Kickxia elatine Beecher Crampton 1952-10-12 863 Yolo Yolo County, city of Davis, in walkway along Putah Creek. Comment
  CAS-BOT-BC180845  Kochia scoparia June McCaskill; Katherine Onaga 1960-9-29 609 Yolo Beside railroad maintenance crew shack, behind Boy Scout Cabin at 1st Street and Richards Boulevard, 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
  UCD161038  Lactuca saligna Jean Shepard 2000-6-29 315 Yolo City of Davis. Intersection of Tulip Ln. and Cascade Pl. 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
  UCD133515  Lactuca saligna Charles B. Heiser Jr. 1946-9-1 s.n. Yolo Davis. Comment
  UCD133525  Lactuca saligna J. D. Skoss 1948-8-12 83 Yolo Armstrong Tract, University of California campus, Davis. Comment
  SEINET10760724  Lactuca sativa Stephanie Frischie 2000-10-14 Frischie 141 Yolo Davis Farmers' Market, Davis, CA. Comment
  UCD132424  Lactuca serriola Beecher Crampton 1957-10-25 4640 Yolo West Sacramento, along the US Hwy. 40 freeway. Comment
  UCD133534  Lactuca serriola A. S. Crafts 1926-7-8 419 Yolo University Farm Campus. Davis. Comment
  UCD159422  Lactuca serriola D. S. Park 2010-7-14 181 Yolo UC Davis campus, east of Science Lecture Bldg. 10 Comment
  UCD168436  Lactuca serriola Ellen Dean 2017-3-15 9258 Yolo Audubon Bobcat Ranch, lands north of Hwy 128, just east of Monticello Dam. Bray Canyon and vicinity on the western side of ranch. Ranch burned once each year in 2014, 2015, 2016. 2017 has been a high rainfall year. Lower reaches of Bray Canyon. 62 Comment
  UCD55508  Lactuca serriola J. Shepard 2003-6-15 609 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
  UCD160108  Lagophylla minor Taylor Wolzen 2015-4-12 5 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, next to ranch house headquarters. 106 Comment
  UCD59328  Lagophylla minor Ellen Dean; Kate Mawdsley 2007-5-11 3752 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, along trail leaving loop road and heading east. 626 Comment
  CAS-BOT-BC341455  Lagophylla ramosissima Roxana Stinchfield 1916-6-25 319 Yolo Mouth of Buckeye Creek Comment
  UC194223  Lagophylla ramosissima H. M. Hall 1916-8-10 10264 Yolo near Dunnigan (northern Yolo County) Comment
  UC1610642  Lamium amplexicaule Helen Kennedy 1967-4-2 1 Yolo vacant lot at corner of 7th. & D Streets Davis Comment
  UCD81026  Lamium amplexicaule Ellen Dean; Gordon Harrington 2009-4-1 5369 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Near drainage basin. 9 Comment
  HSC14210  Lamium amplexicaule M. Dole 1963-4-7 2 Yolo 3 mi. N of Hwy. 16 on Elkhorn Rd. Comment
  SEINET5734481 Image available Lamium amplexicaule G. D. Barbe 1962-1 644 Yolo On adobe soil in vacant lot, 'B' street and Shephard's Lane, Davis.; Davis 15 Comment
  UCD125100  Lamium amplexicaule R. Tofsrud Date unknown s.n. Yolo Yolo County. 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
  UCD35472  Lasthenia californica subsp. californica Beecher Crampton 1957-4-23 3950 Yolo Yolo County; 3 miles northeast of Davis. Comment
  CAS-BOT-BC324475  Lasthenia ferrisiae A. A. Heller; H. E. Brown 1902-4-30 5425 Yolo Near Black's Comment
  CAS-BOT-BC352765  Lasthenia fremontii L. R. Abrams 1928-5-8 12608 Yolo Between Woodland and Davis Comment
  UCD133739  Lasthenia fremontii M. Wiesendanger 1927-4-29 590 Yolo Davis. Comment
  UCD144286  Lasthenia fremontii Carol W. Witham 2003-4-7 881 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD23203  Lasthenia fremontii A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCD33931  Lasthenia fremontii Beecher Crampton 1975-4-18 9160 Yolo Yolo County, 3 miles S.E. of Woodland. Comment
  UCR148119  Lasthenia fremontii Beecher Crampton 1996-4-22 10332 Yolo 3.5 m SE of Woodland, along Mavis-Henson (Field) road, just east of its jct. with county road 102 and just south of road 25 12 Comment
  RSA176724  Lasthenia fremontii D. E. Breedlove 1963-4-20 4626 Yolo 6 miles S of Winters. Comment
  SEINET9366469  Lasthenia glaberrima Unknown 1953-3-16 1004 Yolo RR banks above alkaline depressions, 1.5 mi N of Davis UC Davis Herbarium, The Beecher Crampton Herbarium Collection Comment
  UCD132537  Lasthenia glabrata Beecher Crampton 1973-4-16 8921 Yolo Saxon SW 1. Comment
  UCD164889  Lasthenia glabrata Henry House 1995-5-3 1995- 6 Yolo About 2 km SES of the intersection of Delhi Road and Levee Road. 2 Comment
  UCD23204  Lasthenia glabrata A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCD133764  Lasthenia glabrata Steven Slagle 1964-4-7 48 Yolo Yolo Bypass, 1 mile north of Causeway. Comment
  JEPS4794  Lasthenia glabrata subsp. glabrata H. F. Copeland 1943-4-24 1654 Yolo e of Davis Comment
  UCD84325  Lasthenia glabrata subsp. glabrata Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  CAS-BOT-BC370789  Lasthenia platycarpha Doris K. Kildale 1928-5-8 5036 Yolo 12 miles north of Dixon 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
  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
  SEINET9367787  Lathyrus tingitanus Unknown 1996-5-7 15 Yolo Mix Canyon Rd, on steep slope rdside, moist soil Comment
  UCD82082  Lathyrus vestitus Robin McMaster 1973-4-15 310 Yolo 3 mi NW Rumsey on Hwy 16. Comment
  UCD18397  Laurus J. McCaskill and B. Kasapligil 197_? s.n. Yolo city of Davis, NE corner of 3rd and G Sts. Comment
  SEINET12323493  Lavandula dentata W. R. Russell 1954-1 s.n. Yolo Davis, University of California campus, along S side of Health Center Comment
  HSC31624  Layia chrysanthemoides Glenn McGourty 1974-4-20 9 Yolo On corner of Route 99W and Rd. 56 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
  UCD141645  Leersia oryzoides Ellen Dean; M. Taylor 2013-6-12 7784 Yolo Along Putah Creek by Los Rios Farms, between Mace Blvd. (County Road 104) and the Yolo bypass wildlife area. Los Rios Farms is on the border of DFG lands northeast of the junction of County road 106 and County road 35. Plot LRF 3A of Putah Creek vegetation survey. 6 Comment
  RSA141290  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
  SEINET8199174 Image available 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
  UCD141666  Lemna minuta Ellen Dean; M. Taylor, K. MacMillan 2013-6-13 7792 Yolo City of Davis South Fork Preserve, along Mace Blvd. (County Road 104) south of the City of Davis boundary. North bank of Putah Creek in Plot MBN 4E of the Putah Creek vegetation survey. 9 Comment
  UCD120207  Lepidium acutidens Ellen Dean 2012-4-19 7322 Yolo Along C.R. 103 near Conaway Ranch, east side of road. About 1 mile south of C.R. 25. Remnant alkali plain vegetation in weedy roadside. 10 Comment
  UCD80823  Lepidium acutidens Ellen Dean 2009-3-22 5281 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
  UCD115223  Lepidium acutidens Robert E. Preston 1996-3-23 911 Yolo ca. 1 mi N of Davis; at edge of field along E side of Rd 102. 9 Comment
  CAS-BOT-BC88748  Lepidium appelianum A. S. Crafts 1935-9-15 s.n. Yolo Woodland. Comment
  UCD115260  Lepidium appelianum M. K. Bellue 1933-5-26 s.n. Yolo Tiger Inn. Comment
  UCD115261  Lepidium appelianum A. S. Crafts 1937-9-4 s.n. Yolo Davis. Comment
  UCD115262  Lepidium appelianum A. S. Crafts 1937-9-4 s.n. Yolo Davis. Comment
  UCD115263  Lepidium appelianum A. S. Crafts 1937-9-4 s.n. Yolo Davis. Comment
  UCD115266  Lepidium appelianum A. S. Crafts 1937-9-4 s.n. Yolo Davis. Comment
  UCD115275  Lepidium appelianum A. S. Crafts 1935-9-15 s.n. Yolo Woodland. Comment
  CAS-BOT-BC88880  Lepidium chalepense M. P. Bellue 1932-8-10 s.n. Yolo Tiger Inn, West Sacramento. Comment
  UCR152291  Lepidium chalepense Beecher Crampton 1959-6-11 5351 Yolo West Sacramento, along Galveston Street 5 Comment
  CAS-BOT-BC88669  Lepidium coronopus Beecher Crampton 1965-6-29 7390 Yolo 5 miles east of Davis, Yolo Bypass. Comment
  UCD14897  Lepidium coronopus A. M. Shapiro 1995-5-16 s.n. Yolo Yolo Co.; Davis, Community Park near tennis courts; Comment
  CDA31099  Lepidium dictyotum var. acutidens Viola Popescu 2010-3-17 s.n. Yolo Aeromodelling Club. Rte 102 between Davis and Woodland. 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
  CAS-BOT-BC89072  Lepidium didymum Clarence R. Quick 1971-3-22 71 -11 Yolo Pylman-Quick garden, Merritt Island. Near Clarksburg. Comment
  UCD149358  Lepidium didymum Collector Unknown 1951-5-11 s.n. Yolo City of Clarksburg. 5 Comment
  UCD115367  Lepidium draba Bellue-Cowley 1932-7-1 s.n. Yolo location unknown. Comment
  UCD115368  Lepidium draba M. K. Bellue 1933-5-26 s.n. Yolo Tiger Inn. 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
  CDA32973  Lepidium latifolium Dave Minnesang & Phyllis Hiatt 1979-6-7 Yolo South of Davis on Road 106; Glides Tule Ranch. 0 Comment
  CDA3792  Lepidium latifolium R. Perkins, William J. Ferlatte 1976-4-1 Yolo American Crystal Sugar Company plant, Clarksburg . 0 Comment
  UCD115708  Lepidium latifolium Peter Menth 1992-6-2 14 Yolo Empty lot behind 1263 E. Oak Ave. 16 Comment
  UCD41062  Lepidium latifolium Carol W. Witham 2003-8-8 993 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  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
  RSA696169  Lepidium latipes Keith E. Hoffmaster 1940-4-28 955 Yolo 2 miles north of Davis Comment
  SBBG50441  Lepidium latipes B. Crampton 1957-4-23 3947 Yolo 3 mi NE of Davis [Isotype of var. heckardii] Comment
Read comments
Oct 27 2014
  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
  UCD21051  Lepidium latipes Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-4-5 231 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
  UCD73029  Lepidium latipes Ellen Dean; Erika Smith and Casey Woodall 2008-5-12 4910 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
  UCD84330  Lepidium latipes Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UC2014149  Lepidium latipes Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo County: Yolo Bypass. Glide Ranch. Comment
  UCD18244  Lepidium latipes var. heckardii E. A. Dean; A. Efstratis, K. Mawdsley, T. and M. Starbuck 1998-5-8 451 Yolo SE side of city of Woodland, SE junction of roads 102 and 25, south side of road 25. Comment
  UCR179378  Lepidium latipes var. heckardii Carol W. Witham 2003-4-7 871 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105 Comment
  CAS-BOT-BC89848  Lepidium nitidum Alice Eastwood 1927-3-28 14206 Yolo Winters. Comment
  UCD144774  Lepidium nitidum Carol W. Witham 2003-4-7 900 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD41299  Lepidium nitidum Ellen Dean; Jean Shepard 2003-5-18 1803 Yolo Russell Ranch Property belonging to UC Davis, west of Davis, south of Russell Blvd. Parcels west and east of road 95A, south of Putah Creek and Stevens Bridge. 15 Comment
  UCD21236  Lepidium nitidum var. nitidum J. Shepard 2000-4-9 119 a Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. In field south of entrance road, east of all archery ranges. 12 Comment
  UCD73590  Lepidium nitidum var. nitidum Ellen Dean; Elizabeth Goebel 2008-4-7 4728 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
  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
  CDA34529  Lepidium oxycarpum R. A. Price 2010-4-9 1608 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
  UCD72512  Lepidium pinnatifidum Joe DiTomaso 2008-4-25 s. n. Yolo Woodland, Spring Lake Housing development. Comment
  UCD81058  Lepidium pinnatifidum Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5594 Yolo city of Woodland. Woodland Regional Park. East side of County Road 102, just south of County Road 25. Old rodeo area with bare areas where buildings used to be. 9 Comment
  UCD115857  Lepidium pinnatifidum Beecher Crampton 1960-5-9 s.n. Yolo 1/4 mile south of Saxon Station. 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
  RSA590199  Lepidium strictum Michael A. Vincent, Robert M. Rhode 1996-3-30 7263 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16, ca. 2 miles S of Colusa Co. Line. Comment
  CAS-BOT-BC274010  Leptochloa fusca subsp. fascicularis John Thomas Howell; Gordon H. True 1969-6-23 45798 Yolo Along highway 2 miles west of Knights Landing 15 Comment
  RSA734061  Leptochloa fusca subsp. fascicularis Beecher Crampton 1961-5-22 5876 Yolo Yolo Count, 3 miles west of city of Winters, along State Highway 128. Comment
  CAS-BOT-BC274008  Leptochloa fusca subsp. fascicularis Lewis S. Rose 1969-6-23 69041 Yolo 2 mi. 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
  UCD36111  Leptochloa fusca subsp. fascicularis Beecher Crampton 1952-10-31 900 Yolo Yolo County, east of city of Davis, Yolo Causeway. Comment
  SEINET10589096  Leptochloa fusca subsp. fusca Lewis S. Rose 1969-6-23 Rose 69041 Yolo 2 mi SW of Knights Landing. Open fields. 15 Comment
  UCR119178  Leptochloa uninervia Beecher Crampton 1961-5-22 5876 Yolo Sacrramento Valley, 3 miles west of city of Winters, along State Highway 128. 46 Comment
  UCD118986  Leptosiphon androsaceus 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
  UCD56765  Leptosiphon bicolor Ellen Dean; M. Bibbo 2007-3-23 3457 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. 646 Comment
  UCD58053  Leptosiphon ciliatus Ellen Dean; K. Mawdsley 2007-4-6 3593 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
  UCD63083  Leptosiphon jepsonii Ellen Dean 2008-4-9 4792 Yolo Tuleyome Ireland Ranch. Central part of Ranch adjacent to southern boundary in small canyon that is east of main canyon. 593 Comment
  UC963940  Leptosiphon latisectus R. F. Hoover 1938-3-12 2843 Yolo near Rumsey (Cache Creek canyon); Cache Creek Canyon Comment
  RSA115532  Leptosiphon liniflorus Beecher Crampton 1957-4-23 3945 Yolo 3 miles northeast Davis Comment
  SBBG115669  Leptosiphon liniflorus B. Crampton 1957-4-23 3945 Yolo 3 mi NE of city of Davis Comment
  UC1087490  Leucophyllum frutescens June McCaskill 1956-10-17 509 Yolo in front yard at 61 College Park, Davis, Yolo County, California. 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
  CDA14299  Leymus triticoides G. F. Hrusa, T. D. Wilfred 1996-5-16 12935 Yolo Central Valley; Rhizomatous colony on e edge of Tule Canal immed. above the tree edge at high water mark. Approx. 3/4 mi. N of I-5. Comment
  UCD141662  Leymus triticoides Ellen Dean; M. Taylor, K. MacMillan 2013-6-13 7790 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
  UCD36328  Leymus triticoides Beecher Crampton 1953-5-28 1348 Yolo Bryte. Comment
  UCD37954  Leymus triticoides Beecher Crampton 1962-5-28 6470 Yolo Davis. Along Southern Pacific Railroad. Comment
  UCD86641  Leymus triticoides E. G. Cakin 1947-5-8 s.n. Yolo Davis. UC Davis, University Farm. Comment
  UCD116511  Limnanthes douglasii subsp. nivea K. Esau 1932-3-26 s.n. Yolo Putah Canyon. Comment
  JEPS19558  Limnanthes douglasii subsp. rosea Mrs. L. D. Lawhead 1909-4-8 Yolo Woodland Comment
  RSA0031661  Linanthus bicolor Keith E. Hoffmaster 1939-4-6 916 Yolo Putah can. Comment
  CDA19200  Linaria dalmatica R. Breckenridge, Kratville 2001-5-3 PDR 1204577 Yolo Sacramento Valley; S-bound Interstate Hwy 5, Woodland. 0 Comment
  UCR36557  Lippia nodiflora A. C. Sanders 1984-6-18 5052 Yolo Sacramento Valley, Sacramento Bypass near Bryte, just NW of Sacramento, bed of the bypass 1 mi west of the Sacramento River 5 Comment
  UCD58025  Lithophragma affine Ellen Dean; K. Mawdsley 2007-4-6 3564 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 442 Comment
  UCD168434  Lithophragma heterophyllum Ellen Dean 2017-3-15 9256 Yolo Audubon Bobcat Ranch, lands north of Hwy 128, just east of Monticello Dam. Bray Canyon and vicinity on the western side of ranch. Ranch burned once each year in 2014, 2015, 2016. 2017 has been a high rainfall year. Lower reaches of Bray Canyon on west side of creek. 57 Comment
  UCD36219  Logfia gallica Beecher Crampton 1953-4-27 1140 Yolo 2 miles northwest of city of Winters, on Road 87. Comment
  UCD36629  Lolium Beecher Crampton 1955-6-7 2819 Yolo Yolo County, city of Davis, University of California Agronomy Fields, Armstrong Tract. Comment
  UCD65611  Lolium A. A. Beetle 1942-6-1 3729 Yolo Davis. Comment
  UCD65612  Lolium Beecher Crampton 1959-6-10 5348 Yolo Along County Road 31, just north of Davis. Comment
  CAS-BOT-BC283544  Lolium multiflorum W. D. Hamilton 1946-4-19 s.n. Yolo 4 miles N of Davis Comment
  CAS-BOT-BC283566  Lolium multiflorum John Thomas Howell; Gordon H. True 1974-5-3 50331 Yolo About 7 miles N of Madison Comment
  UCD66063  Lolium multiflorum Beecher Crampton 1961-6-1 5883 Yolo 3 miles S of Woodland. Comment
  UCD66064  Lolium multiflorum Beecher Crampton 1961-6-1 5884 Yolo 3 miles S of Woodland. Comment
  UCD66067  Lolium multiflorum Beecher Crampton 1957-11-5 4646 Yolo East of West Davis Elementary School, Davis. Comment
  UCD66239  Lolium multiflorum R. Tofsrud 1942-5-1 167 Yolo Davis. Putah Creek. Comment
  UCD66301  Lolium multiflorum Beecher Crampton 1961-6-1 5885 Yolo 3 miles S of Woodland. Comment
  UCD15541  Lolium perenne Lara Hawthorne 1989-6-3 15 Yolo Covell Rd, 6 miles east of Winters. 15 Comment
  SEINET3828340  Lolium perenne subsp. multiflorum George K. Helmcamp, E. A. Helmkamp 2012-1 18768 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
  UCR235380  Lolium perenne subsp. multiflorum George K. Helmkamp, E. A. Helmkamp 2012-4-17 18768 Yolo Sacramento Valley, along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland 65 Comment
  CAS-BOT-BC271204  Lolium temulentum Doris K. Kildale 1928-5-8 5037 Yolo 12 miles north of Dixon Comment
  HSC10322  Lolium temulentum C. B. Wolf 1928-5-8 2145 Yolo 12 mi. N of Dixon on the Pacific Hwy. 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
  UCD127036  Lomatium californicum Beecher Crampton 1955-5-5 2746 Yolo 6 miles west of city of Winters, bank above Recreation Beach along Putah Creek. Comment
  JEPS15820  Lomatium caruifolium var. caruifolium J. W. Blankinship 1893-4-15 Yolo Comment
  JEPS15821  Lomatium caruifolium var. caruifolium J. W. Blankinship 1893-4-15 Yolo Comment
  UC1382124  Lomatium caruifolium var. denticulatum L. Constance 1970-3-29 3881 Yolo junction of Fairfield-Winters & Vacaville-Allendale rds. Yolo Co.; Sacramento Valley Comment
  UCD41134  Lomatium dasycarpum N. Nicola 2002-4-5 164 Yolo Eastern foothills of inner north coast range, Capay Valley. Just north of Rumsey, Rd. 41, Lowrey Ranch. Comment
  RSA590200  Lomatium dasycarpum subsp. tomentosum Michael A. Vincent, Robert Rhode 1996-3-30 7258 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16, ca. 2 miles S of Colusa Co. Line. Comment
  UC337576  Lomatium dasycarpum subsp. tomentosum unknown 1891-5-28 Yolo Capay Valley Comment
  CDA38382  Lomatium dasycarpum subsp. tomentosum T. C. Fuller 1958-4-23 s.n. 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
  UCD33491  Lomatium macrocarpum Beecher Crampton 1969-4-28 8400 Yolo 2.5 miles west of Winters. Comment
  SEINET13944553 Image available Lomatium marginatum L. Constance 1970-1 3881 Yolo Open grassland, Sacramento Valley, junction of Fairfield-Winters & Vacaville-Allendale roads Comment
  JEPS84631  Lomatium utriculatum John W. Willoughby 1977-3-16 1910 Yolo low foothills n. of State Hwy. 128 1.3 mi. e. of its junction w/ Pleasnats Valley Rd. (County Rd. 86) Vaca Mts. (large turnout n. side of hwy, apricot orchard s. of hwy.) 48 Comment
  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
  UCD127798  Lomatium utriculatum Carl A. Huether Jr. 1964-3-13 11 Yolo State Highway 16, 2.5 miles north of Rumsey. Comment
  SEINET215144  Lomatium utriculatum Jim Arthur 1966-2-5 15 Yolo State Highway 128 3/4 miles east of Monticello Dam Comment
  UCD127809  Lomatium utriculatum Kay Ryugo 1952-4-12 1020 Yolo 3 miles west of Winters. 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
  UC1585950  Lotus grandiflorus var. grandiflorus Barbara Ertter with Annetta Carter 1989-5-28 8529 Yolo about 5 air mi wsw Rumsey (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, nw Yolo Co.) 731 Comment
  RSA18320  Lotus grandiflorus var. grandiflorus C. F. Baker 1903-5-8 29938 Yolo Summit of Yolo mountains. Comment
  UCR207875  Lotus humistratus George K. Helmkamp, E. A. Helmkamp 2009-3-24 14436 Yolo Inner North Coast Ranges, along CA-128, 4.4 miles west of Winters and beside Putah Creek 43 Comment
  SEINET5736946 Image available Lotus scoparius Mary N. Artist 1965-1 13 Yolo 50 yards E from Recreation Beach Store and Motel, State Hwy 128. 137 Comment
  CDA36931  Lotus wrangelianus 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
  CDA36932  Lotus wrangelianus CDFA Staff 1996-1 s.n. Yolo Rominger Prop., north of County Road 19, east of County Road 92C, west of County Road 94B. 0 Comment
  RSA10426  Lotus wrangelianus Carl B. Wolf 1928-5-8 2141 Yolo Sacramento Valley; 12 miles north of Dixon. Comment
  UC917167  Lotus wrangelianus H. Popenoe 1949-4-11 2 Yolo 5.5 mi n Rumsey; Cache Creek 167 Comment
  UCR257209  Ludwigia hexapetala George K. Helmkamp, Mary Alice Barnes 2013-5-8 20524 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
  CDA37730  Ludwigia hexapetala R. Breckenridge/K. Filippini 2009-8-15 s.n. Yolo Cache Creek. 0 Comment
  UCD65958  Ludwigia peploides subsp. montevidensis B. J. Grewell 2007-10-16 07- 103 -LU Yolo Cache Creek immediately upstream of Rumsey Bridge, Rumsey, CA. 124 Comment
  UCD66059  Ludwigia peploides subsp. montevidensis B. J. Grewell 2005-8-23 05- 15 -LU Yolo Putah Creek at upstream of Los Rios Ranch seasonal crossing, Rd 105 and Rd 35. 7 Comment
  UCD66060  Ludwigia peploides subsp. montevidensis B. J. Grewell 2005-8-23 05- 15 -LU Yolo Putah Creek at upstream of Los Rios Ranch seasonal crossing, Rd 105 and Rd 35. 7 Comment
  UCD75891  Ludwigia peploides subsp. montevidensis B. J. Grewell 2007-10-19 07- 109 -LU Yolo USDA-ARS pond at 2705 Levee Road, Putah Creek-University of California, Davis Putah Creek Riparian Reserve. 15 Comment
  UCD78327  Ludwigia peploides subsp. montevidensis B. J. Grewell 2007-10-19 07- 110 -LU Yolo University of California, Davis. Pond at USDA-ARS research facility, 2705 Levee Road. 20 Comment
  UCD41061  Ludwigia peploides subsp. montevidensis Carol W. Witham 2003-8-8 992 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  RSA735207  Lupinus Keith E. Hoffmaster 1939-4-6 906 Yolo Putah Canyon. Comment
  SEINET194859  Lupinus acutilobus A. A. Heller 1941-3-26 15913 Yolo Buckeye Creek, on U.S. Highway 99W. Comment
  SEINET10488394  Lupinus albifrons Thomas W. Nelson, Jane P. Nelson 1980-4-27 Nelson 5099 -A Yolo Morgan Valley Quad. Along State Route 16, 6 mi from Colusa County line. 152 Comment
  JEPS14594  Lupinus benthamii Peter H. Raven with G. Thomas Robbins 1956-4-28 9045 Yolo on State Highway 24 on a roadside bank formed by a fill 1.6 mi s Freeport; s of Freeport Comment
  SEINET7062984 Image available Lupinus bicolor A. G. Vestal 1955-4-5 s.n. Yolo Grassey field at Rumesy in the north Capray valley. UTM Zone 10, 566133mE, 4304650mN. (WGS84/NAD83). 128 Comment
  UCD21251  Lupinus bicolor J. Shepard 2000-4-13 134 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 S side. 12 Comment
  UCD23475  Lupinus bicolor Beecher Crampton 1972-3-21 8776 Yolo Davis N-1. Comment
  UCD33693  Lupinus bicolor Beecher Crampton 1972-4-3 8779 Yolo 2.25 miles north of Saxon Station (direct line is 4 miles S.E. of Davis). Comment
  UCD107127  Lupinus bicolor A. A. Beetle 1944-3-27 1964 Yolo near Davis. Comment
  UCD107159  Lupinus bicolor DQU Science Class 1989-4-26 DQ 4 Yolo Yolo Couinty: D-Q University. County Road 31, 9 mi. west of Davis city center. 29 Comment
  SEINET10484972  Lupinus bicolor var. umbellatus Guerrero 1961-4-15 GUERRERO 32 Yolo Annual herbs with dark blue flowers, banner spotted white; mountain slope near Cache creek, state hwy 16, 12 mi. Sw of esparto, 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
  HSC82438  Lupinus densiflorus Thomas W. Nelson, Jane P. Nelson 1980-4-27 5098 Yolo Along State Route 16, 6 mi. from Colusa County line. 152 Comment
  HSC90035  Lupinus densiflorus var. aureus Andrew Enberg, Brad Penkala, Dan Scofield 1990-4-23 54 Yolo Hwy. 16, 1/2 mi. S of Colusa County line 221 Comment
  UCD107765  Lupinus formosus P. B. Kennedy 1916-7-23 20 Yolo Exact location unknown. Comment
  UCD23207  Lupinus microcarpus A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCD35963  Lupinus microcarpus Beecher Crampton 1953-3-31 1047 Yolo Madison. Comment
  UCD108614  Lupinus microcarpus Beecher Crampton 1971-4-26 8679 Yolo 1/2 mile south of Saxon Station. Comment
  UC727200  Lupinus microcarpus var. densiflorus A. A. Heller 1942-4-22 16433 Yolo 2 mi s Dunnigan Comment
  UCD108692  Lupinus microcarpus var. densiflorus L. G. Goar 1930-4-20 s.n. Yolo Putah Canyon. Comment
  UCD108761  Lupinus microcarpus var. densiflorus Collector Unknown 1925-5-11 1723 Yolo Davis. Comment
  UCD108763  Lupinus microcarpus var. densiflorus Collector Unknown 1925-5-16 1721 Yolo Winters. Comment
  CAS-BOT-BC8264  Lupinus microcarpus var. microcarpus Amos Arthur Heller; H. E. Brown 1902-4-29 5415 Yolo Near Madison Comment
  UC532186  Lupinus microcarpus var. microcarpus L. F. Robbins 1928-4-15 Yolo Capay Valley Comment
  UC726674  Lupinus microcarpus var. microcarpus A. A. Heller 1920-4-25 13377 Yolo Yolo Causeway Comment
  UCR235433  Lupinus microcarpus var. microcarpus George K. Helmkamp, E. A. Helmkamp 2012-4-17 18780 Yolo Sacramento Valley, along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland 65 Comment
  UCD108966  Lupinus nanus K. Esau 1938-3-26 s. n. Yolo Yolo County, Putah Canyon. Comment
  UCD56697  Lupinus nanus Ellen Dean; M. Bibbo 2007-3-23 3390 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
  UCD109094  Lupinus nanus B. G. Madson 1925-3-29 s.n. Yolo roadside near Copoy Comment
  UCD34394  Lupinus nanus Beecher Crampton 1982-3-8 9814 Yolo 5 miles west of Winters on Hwy. 128. Comment
  RSA677159  Lupinus pachylobus Beecher Crampton 1972-3-27 8777 Yolo 2 miles west of Winters. Comment
  NY16029  Lupinus subvexus A. A. Heller 1902-4-29 5415 Yolo Near Madison Comment
  UCD33628  Lupinus subvexus Beecher Crampton 1971-4-26 8677 Yolo Yolo County, 1/2 mile south of Saxon Station. Comment
  CDA12062  Lupinus succulentus G. F. Hrusa, J. Messina 1989-3-3 5869 Yolo North Coast Biodiversity Arena; Hwy 128 along Putah Creek below Lake Berryessa. Comment
  UCD20790  Lupinus succulentus N. Nicola 2001-3-14 6 Yolo Sacramento Valley: 4 miles west of Woodland, at Cache Creek Nature Preserve; riparian zone of Cache Creek. Comment
  UCR207824  Lupinus succulentus George K. Helmkamp, E. A. Helmkamp 2009-3-24 14446 Yolo Inner North Coast Range, along CA-128, 6.1 miles west of Winters and beside Putah Creek 49 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
  SEINET11091445 Image available Lupinus succulentus June McCaskill, Katherine Onaga 1962-4-12 648 Yolo 1 mi. E of intersection of L and 2nd streets, Davis Comment
  UCD34647  Lupinus succulentus Beecher Crampton 1987-3-31 10092 a Yolo 7 miles west of Winters along US 128. Comment
  CDA29234  Lycianthes ciliolata D. G. Kelch 2005-9-21 6 .482 Yolo U.C. Davis Conservatory. Comment
  UCD126605  Lycium barbarum R. Tofsrud 1949-1 s.n. Yolo Davis. Comment
  SEINET10780229  Lycopersicon esculentum Stephanie Frischie 2000-9-30 Frischie 98 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET10844326  Lycopersicon esculentum Stephanie Frischie 2000-10-7 Frischie 114 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET10877215  Lycopersicon esculentum Stephanie Frischie 2000-10-7 Frischie 117 Yolo Davis Farmers' Market, Davis, CA. Comment
  UCD41069  Lycopus americanus Carol W. Witham 2003-8-8 1000 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-BC240286  Lygodium japonicum 1968-10-25 s.n. Yolo UC Davis Botanical Greenhouse Comment
  JEPS45947  Lythrum californicum Willis L. Jepson 1892-7-27 14097 Yolo w of Winters (Putah Canyon); Putah Canyon Comment
  SBBG115726  Lythrum californicum B. Crampton 1953-10-15 1692 Yolo 2 mi W of Madison 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
  UCD161504  Lythrum hyssopifolia Craig Thomsen 2015-10-5 2610 Yolo Otis-Camp Haswell Yolo County Park. Rumsey Canyon. West side of Cache Creek. 144 Comment
  RSA0016011  Lythrum hyssopifolia S. L. Morrison 1974-6-2 32 Yolo South side of Southern Pacific Railroad causeway, 3.5 miles east of Mace Boulevard overpass and US Interstate 80. Comment
  UCD19490  Lythrum hyssopifolia Terry Reedy 1974-5-7 200 Yolo 1/4 mile E of Davis boundary on County Road 32. 21 Comment
  UCD102937  Lythrum salicaria David Spencer 1999-1 s.n. Yolo Cache Creek Nature Preserve, along Cache Creek, north of Woodland Municipal Airport, upstream of gravel mining area, west of road 94B, between road 20 and highway 16. Comment
  UCD16098  Lythrum salicaria David Spencer 1999-1 s.n. Yolo Cache Creek Nature Preserve, along Cache Creek, north of Woodland Municipal Airport, upstream of gravel mining area, west of road 94B, between road 20 and highway 16. Comment
  UCD41157  Madia C. Holn 2002-4-26 196 Yolo Eastern foothills of inner north coast range, Capay Valley. Just north of Rumsey, Rd. 41, Lowrey Ranch. Comment
  HSC82081  Madia gracilis Thomas W. Nelson, Jane P. Nelson 1980-4-27 5110 Yolo Along SR 16, 100 m E of bridge over Cache Creek, 4.2 mi. from county line 152 Comment
  UCD59351  Madia gracilis Ellen Dean; Kate Mawdsley 2007-5-11 3775 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
  UCD59390  Madia gracilis Ellen Dean; Kate Mawdsley 2007-6-8 3864 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, along loop road. 462 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
  UC185752  Malacothamnus fremontii T. S. Brandegee 1899-10-20 Yolo Yolo Comment
  UC630437  Malacothrix floccifera Ethel Crum and Annetta Carter 1938-5-7 1365 Yolo 3.6 mi n Rumsey; Inner North Coast Range, Cache Creek Canyon 213 Comment
  RSA518809  Malacothrix floccifera Barbara Ertter, Annetta Carter 1989-5-28 8528 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
  UCD21232  Malva nicaeensis J. Shepard 2000-4-9 111 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. By parking lot on north side of entrance road. 12 Comment
  UCD81021  Malva nicaeensis Ellen Dean; D. Bales, M. Krug, L. Snyder, D. Dhakal, A. Franco 2009-4-1 5363 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Western side of property, near Mavis Henson sign. 9 Comment
  UCD116671  Malva parviflora W. T. P. 1917-4-1 s.n. Yolo University Farm. Comment
  UCD116695  Malvella leprosa P. B. Kennedy 1916-7-23 s.n. Yolo location unknown. Comment
  UCD81551  Malvella leprosa W. W. Robbins; W. D. Norton 1928-8-1 1419 Yolo near Clarksburg. Comment
  UCD116700  Malvella leprosa W. T. Pope 1916-10-1 s.n. Yolo University Farm. Comment
  RSA590201  Marah fabacea Michael A. Vincent, Robert M. Rhode 1996-3-30 7257 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16, ca. 2 miles S of Colusa Co. Line. Comment
  UC765588  Marah fabacea R. F. Hoover 1938-2-22 2768 Yolo Putah Creek canyon Comment
  UCD107632  Marah fabacea Chas. Heiser 1947-4-21 1907 Yolo Putah Creek, campus, Davis. Comment
  UCD13099  Marah fabacea R. Fernau 1974-4-22 38 Yolo YOLO COUNTY Under Rd. 98 bridge along Putah Creek twisted around base of a cottonwood tree. Elevation 50'. 15 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
  UCD107630  Marah fabacea B. L. Hanson 1961-3-27 12 Yolo State Highway 16 at County Road 78A, near Brooks. 91 Comment
  UCD107665  Marah fabacea Janey Veneman 1974-4-22 38 Yolo Under Rd. 98 bridge along Putah Creek. 15 Comment
  UC596048  Marah watsonii R. F. Hoover 1938-3-12 2842 Yolo near Rumsey; Cache Creek Canyon Comment
  UCR206541  Marah watsonii George K. Helmkamp, E. A. Helmkamp 2009-3-17 14399 Yolo Inner North Coast Ranges Foothills, along CA-20 and Cache Creek, 4.3 miles southeast of the Colusa County line 159 Comment
  UCD125031  Marrubium vulgare J. K. Couch 1995-5-26 26 Yolo Community Gardens in Davis. 1.5 miles north of Putah Creek, bordering 113. 16 Comment
  UCD125032  Marrubium vulgare A. S. Crafts 1926-7-8 452 Yolo University Farm Campus, Davis. Comment
  UCD13310  Marrubium vulgare Bill Chally 1989-6-2 19 Yolo Yolo CO. T8N R2W, Sec. 29, SE 1/4. Stebbins Reserve. Elevation 440 feet. 134 Comment
  RSA409857  Marrubium vulgare Glenn A. Gorelick 1966-6-8 s.n. Yolo Davis Comment
  UCD150997  Matricaria chamomilla D. S. Park; S. Nicole 2010-5-11 76 Yolo Davis wetlands. 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
  UCD21218  Matricaria discoidea J. Shepard 2000-3-18 85 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. 12 Comment
  UCD58091  Matricaria discoidea Ellen Dean; K. Mawdsley 2007-4-6 3630 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 along Loop Road. 619 Comment
  UCD80939  Matricaria discoidea Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5342 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
  SFV8421  Matricaria discoidea C. Meeker 1973-4-28 20 Yolo Sacramento Valley Beside Putah Creek Road at intersection with Canal Land (?), west of Davis. Comment
  UCD134470  Matricaria discoidea Lynn. M. Holstein 1979-5-18 5 Yolo Corner of 5th and Pole line Rd. Comment
  UCR235432  Matricaria matricarioides George K. Helmkamp, E. A. Helmkamp 2012-4-17 18779 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
  POM362450  Matricaria matricarioides Glenn A. Gorelick 1966-4-1 s.n. Yolo Davis Comment
  UC178612  Matricaria occidentalis J. W. B. 1892-1 Yolo Woodland Comment
  UCD107732  Medicago lupulina de Herrera 1958-1-27 s.n. Yolo Ferry Morse Seed Co., residence in Davis. 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
  UC1543119  Medicago polymorpha Charlotte G. Nast 1936-3-27 13 Yolo Putah Canyon; entrance Comment
  UCR237583  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2012-3-9 18610 Yolo Sacramento Valley, East Main Street (Co. Rd. 22), Woodland (parallel to I-5), 1.7 mile west of the Sacramento River 7 Comment
  RSA563553  Medicago polymorpha D. Charlton 1990-3-6 4156 Yolo SW of UC Davis, frontage RD off HWY 80 15 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
  UCD18336  Medicago polymorpha Edwin A. Crosby 1952-5-13 37 Yolo city of Davis, UC Davis, open field 750 ft. SW of apiary. Comment
  UCD35267  Medicago polymorpha Beecher Crampton 1955-3-21 2334 Yolo Yolo County, 8.5 miles west of Davis, Moon Ranch. Comment
  UCD38361  Medicago polymorpha Beecher Crampton 1955-3-30 2377 Yolo Southern Pacific Station, Davis. Comment
  UCD63140  Medicago praecox A. M. Shapiro 2008-4-17 s.n. Yolo California. Yolo County: Central Davis, Eureka Avenue. Comment
  OBI54920  Medicago sativa Kathleen Faustini 1980-4-21 12 Yolo Rte E6 near Rd 32 Comment
  UCD107931  Medicago sativa F. E. Hadly 1920-3-28 s.n. Yolo Univ. Farm, Davis. Comment
  UCD107932  Medicago sativa D. Hartmann 1941-7-24 s.n. Yolo Davis. Comment
  HSC100016  Melia azedarach J. P. Smith 2011-9-24 13434 Yolo Roadside along Hwy. 16, NW of Guinda 159 Comment
  UCD72430  Melica bulbosa Ellen Dean 2008-4-25 4857 Yolo Tuleyome Ireland Ranch, central part of ranch along path that has been cut through chaparral to access southwestern portion of ranch. 620 Comment
  UCD33170  Melica californica Beecher Crampton 1967-5-3 7850 Yolo Yolo County, 2 miles west of Winters. Comment
  UCD54297  Melica californica George P. Hrusa; Marcel Rejmanek 1993-4-18 10787 Yolo Stebbins Cold Canyon Reserve, steep east facing slope on west side of Cold Creek, near reserve southern boundary. Comment
  CAS-BOT-BC262487  Melica torreyana C. F. B. 1903-5-6 2885 Yolo Cache Creek Canon [Canyon] Comment
  UCD21312  Melilotus indicus J. Shepard 2000-5-20 257 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. Growing in piles of topsoil used as target backstops, close to entrance road. 12 Comment
  UCD81044  Melilotus indicus Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5585 Yolo city of Woodland. Woodland Regional Park. East side of County Road 102, just south of County Road 25. East side of drainage pond. 9 Comment
  UCD84334  Melilotus indicus Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCD142949  Mentha canadensis Ellen Dean; A. Lal, M. Taylor 2013-7-8 7821 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
  UCD125030  Mentha canadensis Beecher Crampton 1953-10-15 1691 Yolo 2 miles west of Madison. Comment
  UCR36548  Mentha pulegium A. C. Sanders 1984-6-18 5055 Yolo Sacramento Valley, Sacramento Bypass near Bryte, just NW of Sacramento, bed of the bypass 1 mi west of the Sacramento River 5 Comment
  UCD39747  Mentha pulegium Beecher Crampton 1976-7-6 s.n. Yolo Davis. Comment
  UCD15905  Mentha spicata Leticia Mosqueda 1975-2-10 s.n. Yolo City of Woodland. Obtained from the Olvera family (Santos and Maria) at 1247 Armfield Rd. Comment
  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
  UC19601  Mentzelia laevicaulis var. laevicaulis Willis L. Jepson July 1892 Yolo near the Devil's Gate; Putah Canyon 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
  UCD168431  Micranthes californica Ellen Dean 2017-3-15 9253 Yolo Audubon Bobcat Ranch, lands north of Hwy 128, just east of Monticello Dam. Bray Canyon and vicinity on the western side of ranch. Ranch burned once each year in 2014, 2015, 2016. 2017 has been a high rainfall year. Lower reaches of Bray Canyon on west side of creek. 57 Comment
  UCD20797  Micranthes californica N. Nicola; C. Kremen 2001-3-16 013 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  POM57376  Micropus californicus var. californicus C. F. Baker 1903-5-7 2932 Yolo Rumsey. Comment
  UC75178  Micropus californicus var. californicus C. F. Baker 1903-5-7 2932 Yolo Rumsey Comment
  UCD134495  Micropus californicus var. californicus Jack Maze 1963-4-27 17 Yolo 3/4 mile east of Recreation Beach, State Highway 128. Comment
  UCD132849  Microseris douglasii Ellen Dean; Jean Shepard 2003-5-18 1808 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
  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
  POM53403  Microseris douglasii subsp. douglasii C. F. Baker 1913-5-8 2889 Yolo Cache Creek Canyon Comment
  UC537997  Microseris sylvatica Dana Cox 1935-4-17 Yolo 5 to 10 mi w Winters; Putah Creek Comment
  UCD56701  Microsteris gracilis Ellen Dean; M. Bibbo 2007-3-23 3394 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
  UCR146281  Mimulus Gene Miyao 1986-4-15 s.n. Yolo c. 1 mi south of Madison, Circle G Ranch on County Rd. 89 47 Comment
  UCD122251  Mimulus aurantiacus Ogden C. Riddle 1942-3-29 24 Yolo Putah Canyon. Hill across creek north of 'cannon ball'. Comment
  UCD168989  Mimulus aurantiacus Ellen Dean; C. Thomsen and M. Hoshovsky 2017-3-29 9292 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
  UCD58033  Mimulus aurantiacus Ellen Dean; K. Mawdsley 2007-4-6 3572 Yolo Yolo County.: 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
  UCD70204  Mimulus aurantiacus D. Sanchez-Mata 1998-6-24 s.n. Yolo Rumsey. Cache Creek Ridge. Cache Creek Canyon Regional Park. 170 Comment
  HSC90178  Mimulus aurantiacus var. aurantiacus Andrew Enberg, Brad Penkala, Dan Scofield 1990-4-23 52 Yolo Hwy. 16, approx. 2 mi. N of Rumsey 213 Comment
  UCD122302  Mimulus aurantiacus var. aurantiacus M. Wiesendanger 1927-5-4 641 Yolo Putah Canyon. Comment
  UCD167385  Mimulus congdonii Kathy Toll 2016-5-1 2 Yolo McLaughlin UC Reserve. Clover Valley. 457 Comment
  POM315784  Mimulus kelloggii A. A. Heller, H. E. Brown 1902-4-29 5417 Yolo Near Madison. Comment
  UCD122713  Mimulus microphyllus M. Wiesendanger 1927-5-4 642 Yolo Putah Canyon. Comment
  JEPS10881  Mimulus pilosus W. L. Jepson 1887-9-17 21454 Yolo near Winters; Putah Comment
  UCD122964  Mimulus tricolor Carol W. Witham 2003-4-7 889 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD36180  Mimulus tricolor Beecher Crampton 1953-3-31 1051 Yolo 3 miles north of Winters. Comment
  RSA261510  Minuartia californica M. P. Dunford 1961-3-17 1016 Yolo On road embankment; on Pleasants Valley Road, 0.6 mile S of junction with State Hwy 128, SW of Winters. 61 Comment
  UCD39273  Mollugo verticillata Beecher Crampton 1953-10-5 1654 Yolo 3 miles s. of Davis. Comment
  RSA408694  Monardella villosa subsp. villosa R. D. Moon 1973-5-26 61 Yolo 7 miles north of Guinda on Highway 16. 518 Comment
  UCD168442  Monolopia major Ellen Dean 2017-3-15 9264 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, upslope of road in oak woodland, lower on slope. 88 Comment
  CDA16253  Morus alba G. F. Hrusa 1997-10-13 14123 Yolo Sacramento Valley; Riparian zone of Sacramento R. immediately S of I-5 ~ 5 mi E of Woodland (near Tule Canal). Mostly along railroad tracks parallel to river on N side. 0 Comment
  UCD41076  Muhlenbergia rigens Carol W. Witham 2003-8-8 1007 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD36116  Myosurus sessilis Beecher Crampton 1952-11-7 916 Yolo Yolo County, 3 miles northwest of city of Davis. Comment
  UCD63226  Myosurus sessilis Ellen Dean; K. Mawdsley 2008-4-16 4803 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
  SBBG26345  Nassella cernua B. Crampton 1965-4-27 7294 Yolo 3 mi NW of Dunnigan Comment
  UCD164513  Nassella lepida Craig Thomsen 2006-5-27 2696 Yolo Camp Haswell County Park, west of Hwy 16. 137 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
  UCD87977  Nassella lepida M. Wiesendanger 1927-5-4 627 Yolo Putah Canyon. Comment
  SEINET215131  Nassella pulchra Dan Kurtak 1969-4-5 10 Yolo 5 miles west of Winters. Comment
  UCD87499  Nassella pulchra Beecher Crampton 1970-4-13 8555 Yolo 1 mile N of Davis along Pole Line Road. Comment
  UCD87501  Nassella pulchra Beecher Crampton 1971-4-26 8680 Yolo 2.25 miles north of Saxon Station, 4 miles southeast of Davis (in direct line). County Road 106 just south of its junction with County Road 35. Comment
  UCD87512  Nassella pulchra Beecher Crampton 1982-3-22 9823 Yolo 5 miles west of Winters along State Hwy 128. Comment
  RSA696980  Navarretia Keith E. Hoffmaster 1939-4-15 s.n. Yolo Davis Comment
  CAS-BOT-BC230269  Navarretia cotulifolia Beecher Crampton 1960-5-9 5506 Yolo 0.25 miles S of Saxon Station Comment
  UC1059016  Navarretia cotulifolia Beecher Crampton 1956-4-26 3312 Yolo 7 mi ne Davis (along County Road 103) Comment
  UC1221771  Navarretia cotulifolia Beecher Crampton 1958-5-10 4778 Yolo ca 2 mi ne Davis (City of Davis dump area) Comment
  UCD37389  Navarretia cotulifolia Beecher Crampton 1960-5-9 5506 Yolo Yolo County, 0.25 miles southwest of Saxon Station. 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
  UCD147029  Navarretia heterandra Robert E. Preston 2012-5-16 2874 b Yolo 6.6 mi SW of Dunnigan, in Wood Canyon. 175 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
  UCD81435  Navarretia intertexta M. Wiesendanger 1927-4-29 s.n. Yolo Esparto. Comment
  UCD37196  Navarretia intertexta subsp. intertexta Beecher Crampton 1958-5-28 4837 Yolo Yolo County, city of Davis. Comment
  CHSC79335  Navarretia leucocephala Beecher Crampton 1956-7-13 3707 Yolo Yolo Bypass. Comment
  JEPS70352  Navarretia leucocephala W. L. Jepson 1940-5-17 19925 Yolo 7 mi e Davis (near Plumtree station); Yolo Causeway Comment
  UC1283717  Navarretia leucocephala Beecher Crampton 1965-6-29 7391 Yolo 5 mi e Davis Comment
  UCD21293  Navarretia leucocephala J. Shepard 2000-5-8 232 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road almost to east boundary of park - Air Force installation - and south along narrow track. 12 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
  UCD84315  Navarretia leucocephala Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCR212353  Navarretia leucocephala Ayzik Solomeshch 2003-5-30 s.n. Yolo Dept. of Fish and Game Glide Tule Ranch, about 8 miles SE of Davis 6 Comment
  UCD33985  Navarretia leucocephala Beecher Crampton 1975-6-18 9223 Yolo Yolo County, 1/4 mile south of Saxon Station. Comment
  UCR225218  Navarretia leucocephala subsp. leucocephala Ayzik Solomeshch 2009-5-11 s.n. Yolo Yolo Bypass, Glide Ranch 4 Comment
  UCD33974  Navarretia leucocephala subsp. leucocephala Beecher Crampton 1975-6-11 9213 Yolo Yolo County, junction of county roads 38 and 106 off the S.W. corner. Comment
  UCD48485  Navarretia leucocephala subsp. leucocephala Beecher Crampton 1953-4-27 1138 Yolo Winters north city limits. Depression along the railroad. Comment
  UCD48541  Navarretia leucocephala subsp. leucocephala Beecher Crampton 1955-5-12 2772 Yolo 7.5 miles west of Davis Moon Ranch. Comment
  UCD48542  Navarretia leucocephala subsp. leucocephala Beecher Crampton 1960-5-9 5499 Yolo 1 1/4 mile s.w. Saxon Station. Comment
  UCD147031  Navarretia nigelliformis subsp. nigelliformis Robert E. Preston 2012-5-16 2875 a Yolo 6.6 mi SW of Dunnigan, in Wood Canyon. 175 Comment
  UCD147032  Navarretia pubescens Robert E. Preston 2012-5-16 2876 a Yolo 6.6 mi SW of Dunnigan, in Wood Canyon. 175 Comment
  UCD59441  Navarretia pubescens K. O'Keefe 1995-6-3 s.n. Yolo 100 m from west side of Cold Creek, 250 m from confluence with Putah Creek. Below and east of Lake Berryessa, on side of Highway 128. 120 Comment
  UCD16089  Nemesia caerulea Glen Holstein 1999-12-22 s.n. Yolo California. Yolo County: Davis, private garden. Comment
  UC767570  Nemophila heterophylla R. F. Hoover 1938-3-12 2846 Yolo Cache Creek Canyon near Rumsey; Cache Creek Canyon near Rumsey Comment
  UCD56744  Nemophila heterophylla Ellen Dean; M. Bibbo 2007-3-23 3436 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
  UCD120037  Nemophila heterophylla G. F. Hrusa 1998-3-21 14155 Yolo Hwy 16 along Cache Creek at the rafting put-in. Nr. Lake County line. 225 Comment
  UCD120077  Nemophila menziesii A. A. Beetle 1945-2-15 4181 Yolo Putah Creek Canyon, west of Winters. Comment
  UCD160960  Nicotiana acuminata var. multiflora Jean Shepard 2001-6-16 468 Yolo City of Davis, East Fifth St., about .1 mi W of Cantrill Dr. Comment
  HSC62738  Nicotiana glauca J. M. DiTomaso 1979-5-12 982 Yolo 3.9 mi. E of Yolo-Colusa County line on Rd. 128, below Lake Berryessa 76 Comment
  UCD126661  Nicotiana glauca J. M. Tucker; C. H. Lamoureux 1958-6-8 3401 Yolo State Highway 128, Putah Canyon, 1.2 - 2.0 miles east of Recreation Beach. Comment
  UCD33618  Nicotiana glauca Beecher Crampton 1971-1-21 8657 Yolo UC Davis campus, S.E. of the University airport along the north bank of Putah Creek. Comment
  SEINET6174922  Nicotiana glauca G. Cook 1959-3-29 15 Yolo 4 miles W of Winters. 100 Comment
  UCD126710  Nicotiana quadrivalvis K. Esau 1931-4-26 2183 Yolo Putah Canyon. Comment
  UCD126714  Nicotiana quadrivalvis J. M. Tucker; C. H. Lamoureux 1958-6-8 3400 Yolo Putah Creek, 3.2 miles east of Recreation Beach. 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
  SEINET12197065  Oenothera speciosa Unknown 1998-5-10 11 Yolo city of Davis, 0.25 mi W of Student Experimental Farm 17 Comment
  UCD22741  Oenothera speciosa Anne Doehne 1988-6-6 26 Yolo In front and to left of Mrak Hall, along bike path past chain link fence, UC Davis campus. 18 Comment
  SEINET8564248  Olea europaea R. H. Miller None 1119 Yolo University farm, University of Calif., Davis Comment
  UC625446  Orobanche fasciculata Frank W. Gould 1938-4-23 283 Yolo At head of Capay Valley on road from Rumsey to Arbuckle near the county line. Comment
  UCD48057  Orobanche uniflora M. K. Voigt; E. Sweeney, and M. Miller 2002-4-13 15 Yolo McLaughlin UC Reserve. W side of Davis Creek Reservoir, 20 m S of road that goes from Soda Spring area to Rayhouse Rd. Ca. 0.5 airline mile due N of Soda Spring and Ca. 1.0 airline mile WNW of UC Davis Aquatic Lab facility. Along edges of running stream and slopes to the north and south of stream on the W side of the road. 487 Comment
  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
  SACT001626  Oryza sativa Earl Kemp 1934-7-19 Yolo Comment
  SEINET240091  Oryzopsis holciformis Beecher Crampton TO 2148 Yolo UC Davis agronomy experimental area, plant introduction nursery Comment
  SEINET240092  Oryzopsis miliacea subsp. thomasii Beecher Crampton 1961-6-30 T.O. 2223 Yolo UC Davis agronomy experimental area, plant introduction nursery, row D-132 Comment
  UCD35743  Oxalis corniculata Beecher Crampton 1953-3-29 1036 Yolo Along walkway in Davis. Comment
  SEINET8465066 Image available Panicum capillare Beecher Crampton 1953-10-15 1694 Yolo Capay, along Cache Creek Comment
  UCD149376  Panicum capillare Yolo County 4H Club 1932-10-1 s.n. Yolo City of Dunnigan. 184 Comment
  UCD36084  Panicum capillare Beecher Crampton 1952-8-25 850 Yolo Yolo County, city of Davis, waste lot. Comment
  UCD89398  Panicum capillare A. S. Crafts 1926-7-8 449 Yolo University Farm Campus, Davis. Comment
  UCD89485  Panicum capillare Beecher Crampton 1954-9-8 2265 Yolo 5 miles west of Davis. Comment
  UCD89497  Panicum capillare Beecher Crampton 1962-9-11 6671 Yolo 7 miles west of Winters, State Hwy. 128, Putah Canyon, Vaca Mtns. Comment
  UCD89507  Panicum capillare H. B. Currier 1941-9-22 s.n. Yolo Davis. Comment
  UCD89542  Panicum capillare R. Tofsrud 1941-10-1 137 Yolo near Davis. Comment
  UCR197936  Panicum capillare Beecher Crampton 1952-8-25 850 Yolo Sacramento Valley, city of Davis 16 Comment
  UCD38867  Panicum capillare subsp. hillmanii Beecher Crampton 1962-10-30 6709 Yolo 2 miles west of Winters. State Hwy. 128. Comment
  UCD32916  Panicum dichotomiflorum Beecher Crampton 1965-7-7 7438 Yolo Northern city limits of Winters. Comment
  UC1151594  Panicum hillmanii Beecher Crampton 1962-9-11 6666 Yolo 2 mi w Winters; 2 mi w of Winters Comment
  CAS-BOT-BC242670  Panicum hillmanii Beecher Crampton 1964-9-22 7202 Yolo 3.5 miles west of Davis, Russell Blvd. Comment
  CAS-BOT-BC253893  Panicum rigidulum C. R. Quick 1972-7-22 72 -12 Yolo On E bank of E levee of Merritt Island, at junction of road 142, about 20 miles SSW of Sacramento, SE corner of county Comment
  UCD89969  Panicum rigidulum Clarence R. Quick 1972-7-22 72 12 Yolo E levee of Merritt Island at Road 142, SE corner. Comment
  UCD89971  Panicum virgatum Beecher Crampton 1961-8-1 5962 Yolo Davis. Southern Pacific Railroad. Comment
  UCD88611  Parapholis incurva Beecher Crampton 1954-6-14 1954 Yolo 4 miles east of Woodland, on roadside and banks of road. Comment
  UCD88612  Parapholis incurva Beecher Crampton 1954-6-21 2003 Yolo 3 miles north of Davis. Comment
  UCD18420  Parietaria judaica A. M. Shapiro 2000-5-21 s.n. Yolo West Sacramento, in dense shade under north-facing pier of I-80 overpass over railroad tracks. Comment
  SEINET921123  Parkinsonia aculeata J. McCaskill, Katherine Onaga 1962-1 654 Yolo In front garden at 1001 D Street, Davis Comment
  UC1245121  Parkinsonia aculeata June McCaskill and Katherine Onaga 1962-7-2 654 Yolo Davis; garden at 1001 D Street Comment
  SEINET11124400 Image available Parkinsonia aculeata June McCaskill, Katherine Onaga 1962-7-2 654 Yolo 1001 D Street, Davis, Yolo County Comment
  UCD161051  Paspalum dilatatum Craig Thomsen 2006-6-30 2626 Yolo Camp Haswell. West side of Cache Creek. 144 Comment
  UCD84353  Paspalum distichum Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCD88899  Paspalum distichum A. A. Beetle 1945-9-28 4034 Yolo Putah Creek at Davis. Comment
  UCD88909  Paspalum distichum Beecher Crampton 1957-9-16 4609 Yolo County Road 27, 6 miles northwest of Davis. Comment
  UCD88944  Paspalum distichum R. Tofsrud 1942-11-1 s.n. Yolo Old Putah channel along back of Davis Farm. Comment
  UCD88965  Paspalum distichum Collector Unknown 1941-11-1 324 Yolo Putah Creek bed near Davis. Comment
  SEINET242431 Image available Paspalum molle Beecher Crampton 1978-11-4 sn Yolo UC Davis Campus, Agronomy experimental area, grown from seed from Brazil (#203882) Comment
  HSC47946  Paspalum urvillei Michael A. Watkins 1978-6-11 22 Yolo Hwy. 20, 1 mi. S of Brooks. Comment
  UCD160611  Passiflora Jean Shepard 2015-5-11 897 Yolo City of Davis. East Davis, on south side of Covell Blvd. .1 mi west of Harper Junior High School, in strip between sidewalk and highway. 9 Comment
  UCD160612  Passiflora Jean Shepard 2015-5-11 897 Yolo City of Davis. East Davis, on south side of Covell Blvd. .1 mi west of Harper Junior High School, in strip between sidewalk and highway. 9 Comment
  UCD70769  Passiflora J. Shepard 1998-9-7 6 Yolo City of Davis, Fifth St. between Poleline and 'L', Community Garden. Woody twining vine 4-5' high, supported on trellis. Three bracts below 5 sepals, greenish on underside, whitish above. Petals less greenish below than sepals, whitish above; petals thinner and narrower than sepals. Much-fringed corona with outside band of lavender, middle band of white, and inner band of reddish purple. Comment
  UCD123308  Pedicularis densiflora A. A. Beetle 1945-2-22 4192 Yolo Cottonwood Slough, southwest of Madison. 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
  UCD73638  Pellaea andromedifolia Michael J. Bower; Plant Biology 102 students 2008-4-6 7 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon, along Bray Creek. 82 Comment
  UCD137546  Pellaea andromedifolia Beecher Crampton 1953-2-14 983 Yolo 6 miles west of Winters, emptying into Putah Creek. 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
  UCD89431  Pennisetum clandestinum Beecher Crampton 1960-9-19 5778 Yolo UC Davis Campus. NW corner of Shields Avenue and A Street. Comment
  UCD58092  Penstemon centranthifolius Ellen Dean; K. Mawdsley 2007-4-6 3631 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. Along Access Road to Ireland Ranch. 411 Comment
  UCD56738  Pentagramma triangularis Ellen Dean; M. Bibbo 2007-3-23 3430 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
  UCD20570  Perideridia kelloggii E. Dean; with M. Bibbo 2002-7-5 1111 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road just W of summit of road in Little Blue Ridge hills. 3.9 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 701 Comment
  UCD54309  Perideridia kelloggii E. Dean; with M. Bibbo 2002-7-5 1111 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road just W of summit of road in Little Blue Ridge hills. 3.9 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 701 Comment
  UCD59370  Perideridia kelloggii Ellen Dean; Kate Mawdsley 2007-6-8 3845 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
  UCD99363  Persicaria amphibia P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co. Clarksburg, Sacramento River. Comment
  UCD99364  Persicaria amphibia P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co. Clarksburg, Sacramento River. Comment
  UCD143812  Persicaria hydropiper Beecher Crampton 1983-9-22 s.n. Yolo UC Davis. Comment
  UCD41072  Persicaria maculosa Carol W. Witham 2003-8-8 1003 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD141691  Persicaria punctata Ellen Dean; M. Taylor 2013-6-20 7803 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
  UCD41071  Persicaria punctata Carol W. Witham 2003-8-8 1002 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  JEPS22658  Petrorhagia dubia Rimo Bacigalupi with Drs. Herbert and Lucille Mason 1958-4-22 6277 Yolo about 2.5 mi nw Rumsey (along roadside of California Highway 16 in canyon of Cache Creek, just e of mouth of Pocket Gulch); in canyon of Cache Creek, e of mouth Pocket Gulch 160 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
  POM261894  Phacelia ciliata A. A. Heller, H. E. Brown 1902-4-30 5427 Yolo Near Black's. Comment
  HSC13634  Phacelia ciliata M. Dole 1963-4-8 72 Yolo 1/2 mi. N of Hwy. 40 on Rd. 104 Comment
  POM181665  Phacelia egena L. Williams 1927-3-22 s.n. Yolo Canyon of Putah Creek. 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
  UCD120599  Phacelia imbricata Ogden C. Riddle 1942-3-29 25 Yolo Putah Canyon. Comment
  UCD120721  Phacelia tanacetifolia G. F. Hrusa 1990-4-8 7671 Yolo Hwy 16 approx. 10 m. N of Rumsey, along Cache Creek. 300 Comment
  UCD160558  Phacelia tanacetifolia Ellen Dean; Craig Thomsen 2015-3-21 8608 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. 304 Comment
  UCD120712  Phacelia tanacetifolia Collector unknown 1925-5-9 1790 Yolo Davis. Comment
  UCD33194  Phacelia tanacetifolia Beecher Crampton 1967-5-8 7879 Yolo UC Davis agronomy field. Comment
  UCD88777  Phalaris canariensis Beecher Crampton 1961-5-17 5873 Yolo 3 miles S of Woodland. Comment
  UCD39956  Phalaris coerulescens Beecher Crampton 1963-6-4 s.n. Yolo UC Davis Campus. Agronomy Experimental Areas. Forage Crops Nursery. Comment
  CAS-BOT-BC265927  Phalaris lemmonii L. R. Abrams 1928-5-8 12597 Yolo Between Woodland and Davis Comment
  CAS-BOT-BC265928  Phalaris lemmonii L. R. Abrams 1928-5-8 12603 Yolo Between Woodland and Davis Comment
  HSC8523  Phalaris lemmonii J. V. Lenz 1947-4-24 Yolo Alkali area N of Davis, US 99W. Comment
  RSA696981  Phalaris lemmonii Keith E. Hoffmaster 1939-4-15 s.n. Yolo Davis Comment
  UCD39173  Phalaris lemmonii Beecher Crampton 1953-5-5 1209 Yolo 2.5 miles NE of Davis Road 102. Comment
  CAS-BOT-BC250676  Phalaris minor John Thomas Howell; Gordon H. True 1967-6-11 42554 Yolo North of Woodland near Cache Creek Comment
  CAS-BOT-BC250677  Phalaris minor Peter H. Raven 1955-4-16 8273 Yolo Fields about Davis Comment
  CAS-BOT-BC250678  Phalaris minor Doris K. Kildale 1928-5-8 5022 Yolo 4 miles north of Zamora Comment
  RSA10438  Phalaris minor C. B. Wolf 1928-5-8 2130 Yolo Sacramento Valley; 4 miles N of Zamora. Comment
Read comments
Jul 28 2014
  RSA696378  Phalaris minor Keith E. Hoffmaster 1946-4-19 1074 Yolo 3-4 miles NE of Davis Comment
  SD257146  Phalaris minor George K. Helmkamp, Mary Alice Barnes 2013-5-8 20514 Yolo Southern Sacramento Valley: Yolo Bypass Wildlife Area, 0.9 mile southeast of the junction of Chiles Road and I-80, between Sacramento and Davis (Davis 7.5'Q) 13 Comment
  UCD21273  Phalaris minor J. Shepard 2000-5-1 165 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, straight to eastern boundary of park. South of track in field. 12 Comment
  UCD88183  Phalaris minor P. Stern 1988-5-19 9 Yolo Davis. Between the Domes and Russell Park complex just W of UCD campus. Comment
  UCD89048  Phalaris minor A. A. Beetle 1946-5-1 4711 Yolo Davis campus. Comment
  UCD89053  Phalaris minor A. A. Beetle 1946-5-1 4711 Yolo Davis campus. Comment
  UCD89054  Phalaris minor A. A. Beetle 1946-5-1 4712 Yolo Davis campus. Comment
  UCD89169  Phalaris minor Beecher Crampton 1968-6-13 8292 Yolo UC Davis Arboretum. Along Putah Creek. Comment
  SACT001719  Phalaris minor 1925-5-9 Yolo No collector/determiner listed Comment
  HSC10575  Phalaris paradoxa J. V. Lenz 1947-5-10 Yolo Davis Comment
  UCD23213  Phalaris paradoxa A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCD59385  Phalaris paradoxa Ellen Dean; Kate Mawdsley 2007-6-8 3859 a Yolo Tuleyome Ireland Ranch, Inner Coast Ranges, northwest of the city of Winters, between Salt Creek and Enos Creek, just N of Wild Cow Mtn. Central part of ranch below main loop road. Near dried stock pond and the small drainage that feeds it. 584 Comment
  UCD89633  Phleum pratense Clarence R. Quick 1970-7-8 70 29 Yolo Just south of house of Nettie M. Pylman, Merritt Island near Clarksbrug. Comment
  UCD56693  Phoradendron leucarpum subsp. tomentosum Ellen Dean 2006-10-27 3302 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
  CDA22388  Phoradendron macrophyllum G. D. Barbe 1968-1-11 861 Yolo University of California campus, west of extension of Anderson Road, 1/4 miles south of Russell Boulevard, Davis. 0 Comment
  RSA262362  Phoradendron macrophyllum John E. Moeur 1971-5-14 22 Yolo Parasitic on Juglans sp.; south Solanno Lake, 1/4 mi. west of the Putah Creek Diversion Dam. 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-BC141060  Phoradendron serotinum subsp. macrophyllum Oakley Shields 1970-1-10 65 Yolo Jefferson Blvd. 10 miles S of Sacramento Comment
  CAS-BOT-BC278130  Phoradendron serotinum subsp. macrophyllum A. M. Shapiro 2011-12-5 s.n. Yolo City of Davis. U.C. Davis campus 15 Comment
  UCD102187  Phoradendron serotinum subsp. macrophyllum D. H. Hartmann 1941-1-18 s.n. Yolo Near Putah Creek, Davis. Comment
  UCD102190  Phoradendron serotinum subsp. macrophyllum G. F. Hrusa 1994-1-29 11590 Yolo Along Putah Creek in UC Putah Creek Reserve approx. 1 m W of University airport. 75 Comment
  UCD102196  Phoradendron serotinum subsp. macrophyllum J. M. Tucker 1951-2-14 2023 Yolo Creek bank in arboretum, University of California, 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
  UCD89826  Phragmites australis H. B. Currier 1940-8-25 s.n. Yolo Yolo Causeway. Comment
  SEINET13203089 Image available Phyla nodiflora George K. Helmkamp, Mary Alice Barnes 2013-1 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 (Davis 7.5' Q.) 13 Comment
  UCD149331  Phyla nodiflora Collector Unknown 1925-6-19 s.n. Yolo University of California, Davis. University Farm. 15 Comment
  UCD160089  Phyla nodiflora Mayra Huerta 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. 160 Comment
  UCD161037  Phyla nodiflora Craig Thomsen 2006-6-30 2613 Yolo Camp Haswell. West side of Cache Creek. 144 Comment
  UCD38924  Phyla nodiflora Beecher Crampton 1961-10-25 6046 Yolo 4 miles NW of Bryte, Yolo Bypass. 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
  UCD125927  Phyla nodiflora Fleur Ng'weno 1989-5-16 DQ 49 Yolo D-Q University County Road 31, 9 miles west of Davis city center. 29 Comment
  UCD125928  Phyla nodiflora W. R. Russell; C. B. Heiser Jr. 1947-5-3 1908 e Yolo Under Yolo Causeway. 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
  CDA43430  Physalis lancifolia Kevin Martyn 2015-6-9 PDR# 570 P06217309 Yolo West of Knights Landing; River Garden Farms, Site A69. 0 Comment
  UCD126763  Physalis lancifolia M. Ramos 1996-5-21 21 Yolo south side of Davis. 13 Comment
  UCD126764  Physalis lancifolia W. W. Robbins; W. D. Norton 1927-10-1 825 Yolo West of Davis. Comment
  UCD36455  Physalis lancifolia Beecher Crampton 1953-9-17 1622 Yolo city of Davis, Davis High School. Comment
  CDA30761  Picris echioides M. Beyers 2010-5-12 451 Yolo Just east of County Road 87, along County Road 19. 54 Comment
  UCD55489  Pilularia americana J. Shepard; E. Dean, B. Rice, P. and R. Unger, B. Salvia 2004-3-28 651 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east on unpaved entrance road nearly to DOD fence, thence south .2 mi. to vernal pool straddling fence. 10 Comment
  SEINET10611985  Pinus canariensis Michael H. Nee 1988-8-18 Nee 36786 Yolo on Campus of U of California Comment
  UCR235436  Pinus halepensis George K. Helmkamp, E. A. Helmkamp 2012-4-17 18782 Yolo Sacramento Valley, along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland 65 Comment
  UCD20611  Piptatherum miliaceum E. Dean; with M. Bibbo 2002-7-5 1158 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
  UCD89662  Piptatherum miliaceum Beecher Crampton 1956-7-12 3703 Yolo Banks of Putah Creek (old channel) under concrete bridge US Hwy. 40 Over crossing, Hamel Ranch, 3/4 miles south of Davis, Solano. Comment
  UCD89666  Piptatherum miliaceum Beecher Crampton 1961-8-11 s.n. Yolo UC Davis campus, Agronomy Seed House. Comment
  SEINET12350281  Piptatherum miliaceum Unknown 1961-8-11 s.n. Yolo UC Davis Campus, Agronomy Seed House Comment
  SEINET10740517  Pistacia vera Stephanie Frischie 2000-10-7 Frischie 129 Yolo Davis Farmers' Market, Davis, CA. Comment
  UCD33163  Pisum sativum Beecher Crampton 1967-4-26 7841 Yolo Yolo County, Davis, site of old central school between B and C and 3rd. streets. Comment
  UCD82168  Plagiobothrys canescens J. Shepard 2001-3-16 390 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 20 m west of DOD fence, thence south along path. 12 Comment
  UC1278097  Plagiobothrys fulvus Beecher Crampton 1955-4-11 2473 Yolo ca 7 mi w Davis; Moon Ranch Comment
  UCD35936  Plagiobothrys fulvus var. campestris Beecher Crampton 1953-4-9 1062 B Yolo 3 miles west of Winters. Comment
  UCR119138  Plagiobothrys greenei Beecher Crampton 1967-4-12 7830 Yolo Sacramento Valley, 2 miles west of Winters. 46 Comment
  UCR220397  Plagiobothrys leptocladus Jean V. Shepard 2001-5-13 458 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, 4 mi south on Mace Blvd. (Co. Road 104) from intersection of Hwy I-80 and Mace Blvd., 0.5 mi east along unpaved entrance road. C. 10 yards west of Dept. of Defnse fence, 500 yards south to large vernal pool straddling fence 12 Comment
  UC917267  Plagiobothrys nothofulvus H. Popenoe 1949-4-11 3 Yolo above Rumsey on Cache Creek 167 Comment
  UCD56721  Plagiobothrys nothofulvus Ellen Dean; M. Bibbo 2007-3-23 3414 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
  UCD120921  Plagiobothrys nothofulvus H. Popenoe 1949-4-11 3 Yolo Above Rumsey on Cache Creek. 167 Comment
  UCD120991  Plagiobothrys stipitatus Fleur Ng'weno 1989-4-27 DQ 12 Yolo D-Q University County Road 31, 9 mi. west of Davis city center. 29 Comment
  UCD120992  Plagiobothrys stipitatus Fleur Ng'weno 1989-5-5 DQ 28 Yolo D-Q University County Road 31, 9 mi. west of Davis city center. 30 Comment
  UCD120990  Plagiobothrys stipitatus Fleur Ng'weno 1989-4-19 DQ 6 Yolo D-Q University County Road 31, 9 mi. west of Davis city center. Side of path near old culvert. 29 Comment
  UCD120996  Plagiobothrys stipitatus J. D. Skoss 1948-5-30 s.n. Yolo County road 3 miles north of Davis. 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
  UCR220404  Plagiobothrys stipitatus var. micranthus Jean V. Shepard 2000-4-13 131 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
  CDA40657  Plagiobothrys stipitatus var. micranthus G. D. Barbe 1987-4-3 4265 Yolo Yolo By-Pass, north of I-80, east of west levee, 5 miles east of Davis. 0 Comment
  SBBG115674  Plagiobothrys stipitatus var. micranthus B. Crampton 1998-5-18 10360 Yolo ca. 2.5 mi N of Davis along county rd 29 just W of its jct with county rd 101A Comment
  UCD81002  Plantago coronopus Drew Maraglia 2009-4-15 3 Yolo Mavis Henson Field, owned by city of Woodland. East side of County Road 102, just south of County Road 25. On west side of drainage pond. 9 Comment
  UCD37386  Plantago elongata Beecher Crampton 1960-5-9 5497 Yolo Yolo County, 1.25 miles southwest of Saxon Station, along County Road 105. Comment
  UCD35488  Plantago elongata Beecher Crampton 1957-4-4 3916 Yolo Yolo County; ca. six miles northeast of Davis, along County Road 103. Comment
  CHSC100183  Plantago erecta John Dittes 2007-5-6 1450 Yolo Inner North Coast Range; Vaca Mountains (eastern edge); Audubon Bobcat Ranch; ca.4.0 air miles west by northwest of Winters, ca. 4.1 air miles northeast of Monticello Dam, ca., 0.6 air mile southwest of confluence of Enos Creek and Dry Creek. 111 Comment
  JEPS20850  Plantago erecta B. Crampton 1953-3-30 1045 Yolo about 9 mi w Dunnigan (Durst Ranch) Comment
  POM181672  Plantago erecta G. Thomas Robbins 1927-3-26 s.n. Yolo Canyon of Putah Creek. Comment
  SFV8384  Plantago erecta K. Mullich 1972-4-2 6 Yolo North Coast Ranges Capay Valley. County Road 41, 2 miles east of Rumsey. 137 Comment
  UC735741  Plantago major Chas. Heiser 1947-7-6 1947 Yolo Davis Comment
  UCD124511  Plantago major Chas. B. Heiser Jr. 1947-7-6 s.n. Yolo Davis. Comment
  UCD141696  Platanus X hispanica Ellen Dean; M. Taylor 2013-6-21 7808 Yolo North side of Putah Creek east of City of Winters. South of Russell Blvd. on east side HWY 505. Yolo County Housing Authority area. In or near Plot YHA 2A of Putah Creek vegetation survey. 6 Comment
  RSA801979  Plectritis ciliosa Keith E. Hoffmaster 1939-4-6 907 Yolo Putah Canyon. Comment
  UCD168441  Plectritis ciliosa Ellen Dean 2017-3-15 9263 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, upslope of road in oak woodland. 98 Comment
  UCR119151  Plectritis ciliosa Beecher Crampton 1967-5-3 7851 Yolo Sacramento Valley, 2 miles west of Winters. 46 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
  UCD20837  Plectritis macrocera N. Nicola 2001-5-4 53 Yolo Eastern foothills of inner North coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  SEINET5741125 Image available Plectritis macrocera var. eichleriana R. H. Ramsey 1961-1 22 Yolo Steep north slope of Putah Creek Canyon, in open places in foothill woodland; State Highway 128, 5 miles west of Winters.; Winters Comment
  UCD58072  Poa Ellen Dean; K. Mawdsley 2007-4-6 3612 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 462 Comment
  RSA563487  Poa annua D. Charlton 1990-3-6 4155 Yolo SW of UC Davis, frontage RD off HWY 80 15 Comment
  UCD36834  Poa annua Beecher Crampton 1956-2-7 3216 Yolo Yolo County, city of Winters eastern city limits. Comment
  SEINET242434 Image available Poa pratensis Beecher Crampton 1961-4-10 s.n. Yolo UC Davis campus, Agronomy Experimental Area, row B-14. T.O. 2426, Oryzopsis coerulescens. Comment
  UCD91884  Poa pratensis Beecher Crampton 1962-4-26 s.n. Yolo Davis Campus, Agronomy Experimental Areas, Plant Introductory Nursery. Comment
  UCD90766  Poa secunda subsp. secunda Beecher Crampton 1953-5-5 1210 Yolo 1.5 miles NE of Davis. Comment
  UCD22768  Podocarpus gracilior Collector unknown 1988-1-4 s.n. Yolo Environmental Horticulture building. Comment
  SDSU21405  Pogogyne douglasii Carol Witham 2015-5-8 1473 Yolo CDFW Ranch. Vernal Pool approximately 230 meters southeast of junction of roads 38 and 105 Comment
  UCD125257  Pogogyne douglasii A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCR212352  Pogogyne douglasii Ayzik Solomeshch 2003-5-30 s.n. Yolo Dept. of Fish and Game Glide Tule Ranch, about 8 miles SE of Davis 6 Comment
  UCD146922  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
  UCD21285  Pogogyne zizyphoroides J. Shepard 2000-5-1 180 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
  CDA2836  Polygonum arenastrum P. M. Goodwin 1932-5-3 Yolo Davis. 0 Comment
  CHSC60003  Polygonum aviculare Mark S. Lubinski 1975-5-16 36 Yolo Open sandy hillside; recreation pool next to volleyball courts on University of California, Davis campus. Comment
  SEINET5728967 Image available Polygonum aviculare Jeffrey Lowe 1967-1 8 Yolo ca. 100 yards behind administration Building, University of California; Davis 15 Comment
  CAS-BOT-BC414160  Polygonum aviculare subsp. aviculare John Thomas Howell 1963-6-2 39382 Yolo Woodland Comment
  CAS-BOT-BC414296  Polygonum aviculare subsp. depressum Clarence R. Quick 1968-8-25 68 -21 Yolo Garden, Merritt Island, near junction of county roads #140 & 142, 3.5 miles south of Clarksburg Comment
  UCD100096  Polygonum aviculare subsp. depressum R. N. Raynor 1939-1-9 s.n. Yolo Botany greenhouse, University Farm. Comment
  UCD35236  Polygonum californicum Beecher Crampton 1952-10-31 901 Yolo Yolo Causeway. Comment
  UCD38281  Polygonum ramosissimum subsp. ramosissimum B. Crampton 1952-10-27 881 Yolo About 3 miles north of Davis. Comment
  UCD47762  Polypodium calirhiza A. Laffin; S. Holck and A. Randall 2002-4-13 7 Yolo Yolo County, Mclaughlin UC Reserve, W side of Davis Creek Reservoir, along road that goes from Soda Springs to Rayhouse Rd. and ca. 1.0 airline mile WNW of UC Davis Aquatic Lab facility, Along S side of running stream where road travels east-west for a short distance, ca. 11 yds. From the N side of the road. 488 Comment
  UCD169939  Polypogon interruptus Beecher Crampton 1953-10-29 1731 Yolo Yolo County, 5 miles west of city of Winters, Putah Canyon. Comment
  UCD51637  Polypogon interruptus B. A. Madson 1940-5-29 s.n. Yolo Davis. Comment
  UCD51650  Polypogon interruptus Collector unknown Fall 1941 Yolo probably about Davis. Comment
  UCD84350  Polypogon maritimus Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  SACT002042  Polypogon monspeliensis John Willoughby 1976-7-29 Yolo At the fishing access point, in moist ground along Putah Creek riparian woodland. Comment
  UCD141687  Polypogon monspeliensis Ellen Dean; M. Taylor 2013-6-19 7800 Yolo Along Putah Creek by Los Rios Farms between Mace Blvd. (County Road 104) and the Yolo bypass wildlife area. Los Rios Farms is on the border of DFG lands northeast of the intersection of County Roads 35 and 106. These plants were found in, or near, LRF Plot 3E of the Putah Creek vegetation survey. 6 Comment
  UCD36101  Polypogon monspeliensis Beecher Crampton 1952-10-27 879 Yolo Yolo County, I.5 miles north of city of Davis, along Road 101A. Comment
  UCD36112  Polypogon monspeliensis Beecher Crampton 1952-11-1 905 Yolo Yolo County, 1.5 miles north of city of Davis. Comment
  UCD37199  Polypogon monspeliensis Beecher Crampton 1958-5-28 4840 Yolo Yolo County, 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
  UCD73138  Polypogon monspeliensis Ayzik Solomeshch 2003-5-30 s. n. Yolo Department of Fish and Game Glide Tule Ranch, about 8 mi. southeast of Davis. 6 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
  UCD91296  Polypogon monspeliensis Beecher Crampton 1958-5-28 4840 Yolo North Davis. Comment
  UCD91300  Polypogon monspeliensis Beecher Crampton 1961-10-25 6058 Yolo Yolo County, 2 miles west of Bryte, along County Road 127, junction of Sacramento Bypass and Yolo Bypass. Comment
  UCR198247  Polypogon monspeliensis Dean Kelch 2007-5-18 07 .318 Yolo Yolo Causeway, 0.4 mi east of Levee Road/RR Crossing 4 Comment
  SACT002062  Polypogon semiverticillatus John Willoughby 1979-8-13 Yolo Collected at fishing access point, in riparian woodland. Comment
  UCD160926  Polypogon viridis J. Shepard 1999-5-6 13 Yolo City of Davis. Intersection of Monarch Ln. and Campbell Pl., SE corner. 10 Comment
  UCD91445  Polypogon viridis A. A. Beetle 1946-5-1 4707 Yolo Davis R.R. Station. 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
  CAS-BOT-BC102688  Populus fremontii A. A. Heller; H. E. Brown 1902-4-29 s.n. Yolo Near Madison Comment
  SBBG115918  Populus fremontii B. Crampton 1986-9-23 10077 Yolo Putah Crk S of University airport Comment
  UCD110630  Populus fremontii subsp. fremontii G. F. Hrusa; T. D. Wilfred 1995-4-12 12065 Yolo Along Tule Canal immediately N of Sacramento River at Interstate 5 crossing. 75 Comment
  UCD138312  Potamogeton gramineus David F. Spencer 1989-7-13 s.n. Yolo University of California campus, U.S.D.A. Aquatic Weed Laboratory. Comment
  UC441346  Potamogeton nodosus J. E. Roadhouse 1907-8-15 2 Yolo Moore Ditch Comment
  UCD34112  Proboscidea Beecher Crampton 1976-8-9 9405 Yolo Road 29 W of Hwy. 113. Comment
  HSC97372  Proboscidea louisianica J. P. Smith 2007-8-1 12406 Yolo State Rte. 16, W of Woodland. 100 Comment
  CDA6516  Proboscidea louisianica T. C. Fuller 1958-7-1 879 -58 Yolo Across Highway 16, 5 miles west of Woodland. 0 Comment
  JEPS27876  Proboscidea louisianica subsp. louisianica Richard Snow 1958-7-14 605 -1 Yolo w Davis; Putah Creek Comment
  UCD146709  Proboscidea louisianica subsp. louisianica G. F. Hrusa 1998-7-5 14667 Yolo immediately south of Guinda on Highway 16. Comment
  UCD122085  Proboscidea lutea Barry Rice 2006-11-19 BR 061101 Yolo on north bank of Willow Slough drainage, east of railroad tracks. Comment
  UCD41091  Prunus N. Nicola 2003-3-13 248 Yolo Foothills of inner North coast range, Berryessa Valley, West of Winters; Terra Firma farm off Hwy 128. Comment
  UCD70207  Pseudognaphalium californicum D. Sanchez-Mata 1998-6-24 s.n. Yolo Rumsey. Cache Creek Ridge. Cache Creek Canyon Regional Park. 210 Comment
  CAS-BOT-BC357193  Pseudognaphalium luteoalbum Clarence R. Quick 1970-5-31 70 -18 Yolo Merritt Island near Clarksburg Comment
  JEPS84601  Pseudognaphalium luteoalbum John W. Willoughby 1979-8-13 4429 Yolo 1.2 mi nw of the junction with County Road 86, along fishing access Highway 128; Vaca Mountains, Putah Creek 60 Comment
  UCD20601  Pseudognaphalium luteoalbum E. Dean; with M. Bibbo 2002-7-5 1145 Yolo McLaughlin UC Reserve. Clover Valley, W of main road that goes N-S through valley. 457 Comment
  UCD40998  Psilocarphus brevissimus Carol W. Witham 2003-4-11 928 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD63222  Psilocarphus brevissimus Ellen Dean; K. Mawdsley 2008-4-16 4801 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
  UCR212351  Psilocarphus brevissimus Ayzik Solomeshch 2003-5-30 s.n. Yolo Dept. of Fish and Game Glide Tule Ranch, about 8 miles SE of Davis 6 Comment
  CHSC40057  Psilocarphus brevissimus var. brevissimus A. A. Heller; H. E. Brown 1902-4-30 Yolo Near Black's. Comment
  SBBG28508  Psilocarphus brevissimus var. brevissimus C. B. Wolf 1928-5-8 2136 Yolo Sacramento Valley, 12 mi N of Dixon (Dick'son) Comment
  UC1278027  Psilocarphus brevissimus var. brevissimus B. Crampton 1952-11-7 911 Yolo about 3 mi nw Davis Comment
  UCD21294  Psilocarphus brevissimus var. brevissimus J. Shepard 2000-5-8 233 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road almost to east boundary of park - Air Force installation - and south along narrow track. 12 Comment
  UCD21321  Psilocarphus brevissimus var. brevissimus J. Shepard 2000-5-26 280 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road almost to east boundary of park by Air Force facility. Thence, south approx. 50 feet to vernal pool straddling fence, recently disked on park side of fence. 12 Comment
  CAS-BOT-BC328196  Psilocarphus brevissimus var. multiflorus L. R. Abrams 1928-5-8 12599 Yolo Between Woodland and Davis Comment
  UCD147033  Psilocarphus chilensis Robert E. Preston 2012-5-16 2876 b Yolo 6.6 mi SW of Dunnigan, in Wood Canyon. 175 Comment
  UC1278028  Psilocarphus oregonus B. Crampton 1952-11-7 912 Yolo 3 mi nw Davis Comment
  UCD21274  Psilocarphus oregonus J. Shepard 2000-5-1 166 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road to eastern boundary of park. South approximately 200 yards to a low area and vernal pools. A wide strip has been disked through this area. Water still in 2 pools which extend across fence into undisked area. 12 Comment
  UCD41304  Psilocarphus oregonus Ellen Dean; Jean Shepard 2003-5-18 1807 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
  UCD73612  Psilocarphus oregonus Ellen Dean; Elizabeth Goebel 2008-4-7 4740 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
  UCR212348  Psilocarphus oregonus Ayzik Solomeshch 2003-6-1 s.n. Yolo Dept. of Fish and Game, Glide Tule Ranch, about 8 miles SE of Davis 66 Comment
  UCD59364  Psilocarphus tenellus Ellen Dean; Kate Mawdsley 2007-6-8 3840 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
  UCD21415  Psilocarphus tenellus var. tenellus J. Shepard 2002-4-6 506 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. South along north to south access road, approximately 100 yards to vernal pool area. 12 Comment
  UCD117079  Ptelea crenulata W. A. Williams 1975-9-18 s.n. Yolo 8 miles NW of Esparto, E slope of Bald Mountain. Comment
  SEINET9325382  Pterostegia drymarioides Unknown 1993-4-18 10780 Yolo Stebbins Cold Canyon Reserve Comment
  SBBG698  Puccinellia nutkaensis A. A. Beetle -- 4727 Yolo 5 mi SE of Woodland Comment
  UCD33967  Puccinellia nuttalliana Beecher Crampton 1975-6-4 9205 Yolo Yolo County, 1 mile north on county road 103 from its junction with county road 27. Comment
  UCD34247  Puccinellia nuttalliana Beecher Crampton 1978-6-26 9604 Yolo Yolo County, 4 miles S.E. of Woodland, T9N R2E sect. 11 N.E. 1/4. Comment
  UCD93370  Puccinellia nuttalliana Beecher Crampton 1953-5-5 1207 Yolo 6 miles NE Davis. Comment
  UCD93427  Puccinellia nuttalliana Beecher Crampton 1978-6-26 9604 Yolo 4 miles S.E. of Woodland. Comment
  SD180611  Puccinellia simplex Beecher Crampton 1954-4-21 1777 Yolo 1.5 miles north of city of Davis, alkali flats Comment
  SEINET208828 Image available Puccinellia simplex R. J. Planck 1963-5-12 34 Yolo G. Street 1 mile north of its intersection with 11th Street Davis. Comment
  UCD37535  Puccinellia simplex Beecher Crampton 1955-3-21 2331 Yolo Yolo County, 2.5 miles northeast of city of Davis. Comment
  UCD92218  Puccinellia simplex Beecher Crampton 1952-10-27 878 Yolo Yolo County, I.5 miles north of city of Davis. Comment
  UCD92231  Puccinellia simplex Beecher Crampton 1961-3-27 5846 Yolo Yolo County, 1.5 miles north of city of Davis. Comment
  UCD92251  Puccinellia simplex R. Tofsrud 1949-4-1 s.n. Yolo Near Davis dump. Comment
  UCR118985  Puccinellia simplex Beecher Crampton 1954-4-21 1777 Yolo Sacramento Valley, 1.5 miles north of city of Davis. 15 Comment
  SEINET10825279  Pyrus Stephanie Frischie 2000-10-7 Frischie 125 Yolo Davis Farmers' Market, Davis, CA. Comment
  UCD46784  Quercus Russell Gripp 1984-11-21 s.n. Yolo California, Yolo County: Woodland, 223 Gibson Road, in backyard of Chauncy and Avis Irvine; 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
  UCD81770  Quercus berberidifolia Ellen Dean 2009-4-26 5470 Yolo Bobcat Ranch lands to the north of Hwy 128, just east of Monticello Dam. Bray Canyon. West side of Bray Creek. 91 Comment
  UCD45489  Quercus chrysolepis Don K. Sexton 1955-10-16 s.n. Yolo Highway 40, center strip, opposite Division of Forestry sign, State Highway Nursery, north of Davis, California. Comment
  UCD45872  Quercus dumosa Don Sexton 1955-10-16 85 Yolo Old Davis Highway, by railroad signal across from trailer court, Davis, California. Comment
  JEPS84701  Quercus lobata John W. Willoughby 1977-5-12 2421 Yolo 2.9 mi w State Highway 128 junction with County Road 86 (along State Highway 128, between road and Putah Creek); Vaca Mountains Comment
  UCD20585  Quercus lobata E. Dean; with M. Bibbo 2002-7-5 1128 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 2 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 472 Comment
  UCD46881  Quercus lobata Beecher Crampton 1977-10-8 9542 Yolo ca. 4.5 miles west of Winters (by road) along State Hwy. 128. Comment
  UCD46882  Quercus lobata Beecher Crampton 1977-6-16 9503 Yolo County Road 32, 1 mile west of the Fairfield School. Comment
  UCD73087  Quercus lobata Ellen Dean; Plant Biology 102 students 2008-4-6 4710 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Entrance to Bray Canyon, ca. 100 ft from Hwy 128. 57 Comment
  SEINET13953541 Image available Quercus lobata Eilif Dahl 1962-1 Yolo Davis Comment
  UCD50412  Quercus macrocarpa Roman Gankin 2004-9-10 s.n. Yolo CA: Yolo County: Front yard tree at 1145 Auburn Dr., Davis, CA. Comment
  UCD47278  Quercus shumardii Don K. Sexton 1955-10-16 s.n. Yolo Along railroad tracks along north side of U.S. Highway 40, near Armco Plant ca. 1 mile east of Davis, Yolo County, California. Comment
  UCD47483  Quercus virginiana Don K. Sexton 1955-10-16 s.n. Yolo Center strip of U.S. Highway 40, few miles east of Davis, Yolo County, California. Comment
  UCD83676  Quercus wislizeni D. Q. Cavagnaro 1963-10-18 223 Yolo 4 mi W of Winters. 15 Comment
  UC1228171  Rafinesquia californica Beecher Crampton 1961-5-22 5875 Yolo 5 mi w Winters (along Calif Hwy 128) Comment
  UCD95853  Ranunculus aquatilis var. diffusus E. M. Johnston 1916-4-1 s.n. Yolo Woodland. Comment
  CAS-BOT-BC378912  Ranunculus californicus var. californicus W. D. Hamilton 1946-3-24 7323 Yolo Davis Comment
  RSA786322  Ranunculus canus Keith E. Hoffmaster 1939-4-6 900 Yolo Putah Canyon. Comment
  UC118269  Ranunculus canus T. S. Brandegee 1893-3-8 Yolo Woodland Comment
  UCD62846  Ranunculus hebecarpus Michael J. Bower; Plant Biology 102 students 2008-4-6 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. 100 Comment
  UCR235381  Ranunculus muricatus George K. Helmkamp, E. A. Helmkamp 2012-4-17 18769 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
  UCD56709  Ranunculus occidentalis Ellen Dean; M. Bibbo 2007-3-23 3402 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
  SEINET215114  Ranunculus occidentalis A. Sutherland 1963-2-20 3 Yolo CA Hwy 128 ca 10 mi E of boat landing on Lake Berryessa Comment
  UCD22456  Raphanus Joe Di Tomaso 2003-7-15 s.n. Yolo University Farm. Grass flats, Field A. Comment
  UCD80918  Raphanus raphanistrum Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5321 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. 9 Comment
  SEINET10735196  Raphanus sativus Stephanie Frischie 2000-10-7 Frischie 102 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET5731468 Image available Raphanus sativus Bradford Bearce 1965-1 17 Yolo On Hwy 128, 7 mi. W of Winters.; Winters Comment
  UCD15497  Raphanus sativus Larry Reynolds 1984-5-5 3 Yolo Putah Creek at Pedrick Road. 21 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
  UCD14495  Rhamnus davurica John M. Tucker 1981-5-19 4455 Yolo California, Yolo Co.; University of California, Davis, Dept. of Environmental Horticulture shrub block; Comment
  SEINET10766064  Rheum rhabarbarum Stephanie Frischie 2000-10-14 Frischie 138 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET4178239 Image available Rhus diversiloba Neil A. Harriman 1988-1 18610 Yolo Along Putah Creek beside state route 128 below Berryessa Lake, at Fishing Area #5. Comment
  RSA696219  Rhus trilobata Keith E. Hoffmaster 898 Yolo Putahcan Comment
  UC629764  Rhus trilobata Annetta Carter 1938-5-7 1369 Yolo 3.6 mi n Rumsey (Cache Creek Canyon); Cache Creek Canyon 152 Comment
  UCD102287  Ribes malvaceum C. H. Beardslee 1937-2-15 s.n. Yolo Putah Canyon. Comment
  CAS-BOT-BC74440  Rorippa curvisiliqua Roxana Stinchfield 1916-6-25 318 Yolo In Buckeye Creek bed near Tule. Comment
  CDA33736  Rosa californica D. G. Kelch 2010-6-3 10 .242 Yolo 1 km E of Mace Blvd exit between Hwy I-80 and RR tracks. Comment
  UCD19507  Rosa californica Terry Reedy 1974-5-7 203 Yolo Davis; ditch along County Road 32, .25 mile east of eastern boundary. 21 Comment
  SEINET5734336 Image available Rosa californica Carlos M. Rivera 1969-1 10 Yolo Ca. 0.5 mi. S of jct. of Pleasants Valley Rd. & Putah Creek Rd.; Winters Comment
  UCD169008  Rostraria cristata Ellen Dean; E. Moores and M. Hoshovsky 2017-4-7 9311 Yolo Audubon Bobcat Ranch. Lands to the north of Hwy 128, northwest of ranch headquarters. On north side of undeveloped road, near stock pond, beneath Rattlesnake Rock. Area has burned three times in the last three years. 262 Comment
  UCD21529  Rostraria cristata Joe DiTomaso 2003-4-23 s.n. Yolo west of Winters, off Road 87. Comment
  UCD73736  Rostraria cristata Ayzik Solomeshch 2004-6-16 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 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
  UCD168443  Rubus armeniacus Ellen Dean 2017-3-15 9265 Yolo Audubon Bobcat Ranch, lands north of Hwy 128, just east of Monticello Dam. Bray Canyon and vicinity on the western side of ranch. Ranch burned once each year in 2014, 2015, 2016. 2017 has been a high rainfall year. Lower reaches of Bray Canyon, in creek on rocky/pebbly island on west bank of creek. 85 Comment
  UCD17690  Rubus armeniacus H. Olmo; T. S. Mallah 1952-1 52 03 Yolo California. Yolo County: 8th and B street in Davis. Comment
  UCD20888  Rubus armeniacus N. Nicola 2001-5-24 116 Yolo Sacramento Valley, 4 miles west of Woodland, at Cache Creek Nature Preserve, riparian zone of Cache Creek. Comment
  UCD68015  Rubus armeniacus C. P. Pease 1995-5-25 S.N. Yolo east side of University of California, Davis campus, Experimental College gardens. 16 Comment
  SBBG50778  Rubus ursinus E. L. Reimers 1963-4-19 34 Yolo near railroad tracks 0.25 mi E of Davis Comment
  UCD59394  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
  JEPS84657  Rumex conglomeratus John W. Willoughby 1976-7-29 1824 Yolo about 1.2 mi nw State Hwy. 128 and County Rd 86 (Pleasants Valley Rd) jct (at fishing access along State Hwy 128, near Putah Creek); Vaca Mountains, Putah Creek 60 Comment
  JEPS84658  Rumex conglomeratus John W. Willoughby 1976-7-29 1816 Yolo about 1.2 mi nw State Hwy. 128 and County Rd 86 (Pleasants Valley Rd) jct (at fishing access along State Hwy 128, along Putah Creek); Vaca Mountains, Putah Creek 60 Comment
  CHSC59794  Rumex crispus Janet Beckman 1975-5-23 34 Yolo 10 feet up bank from water's edge; north side of Dry Slough, 60 feet north of intersection of County Road 98 and Road 29. 18 Comment
  UCD101163  Rumex crispus Carol W. Witham 2003-4-7 899 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD146924  Rumex crispus Carol W. Witham 2003-4-7 899 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD55481  Rumex crispus J. Shepard 2000-4-9 124 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
  UCD97114  Rumex crispus Ellen Dean; C. Loughran, A. Fuller 2011-5-8 7014 Yolo Yolo County. Audubon Bobcat Ranch. Lands to the north of Hwy 128, just E of Monticello Dam. Bray Canyon. About half way up the canyon on east side of creek. Comment
  UCR235430  Rumex crispus George K. Helmkamp, E. A. Helmkamp 2012-4-17 18777 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
  SEINET4199900  Rumex crispus Schank 1959-3-28 s.n. Yolo 10 mi N of Davis on a back country road 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
  UCD101359  Rumex occidentalis R. N. Raynor 1939-1-9 s.n. Yolo Botany greenhouse, University Farm. Comment
  UCD101402  Rumex persicarioides P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co. Clarksburg, Sacramento River. Comment
  UCD81016  Rumex pulcher Drew Maraglia 2009-4-15 4 Yolo Mavis Henson Field, owned by city of Woodland. East side of County Road 102, just south of County Road 25. Southern edge of drainage pond. 9 Comment
  UCD35645  Rumex pulcher Beecher Crampton 1959-6-10 5346 Yolo Just north of Davis, along County Road 31. Comment
  UCD73680  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
  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
  HSC97379  Saccharum ravennae J. P. Smith 2007-8-1 12405 Yolo Hwy. 16, along Cache Creek, just S of the Colusa County line 181 Comment
  JEPS113059  Saccharum ravennae Gordon Leppig 2001-9-13 1612 Yolo Rt. 16. Mile marker 7.17. Comment
  UCD22746  Salix Samantha Corte 1988-6-8 21 Yolo Road 32 after 86, near Putah Creek. 60 Comment
  SBBG115872  Salix babylonica B. Crampton 1986-9-9 s.n. Yolo city of Davis, NE corner of Oak Street and 8th Street Comment
  UCD39827  Salix babylonica Beecher Crampton 1987-4-17 s.n. Yolo City of Davis; Davis High School, SW corner. Comment
  CAS-BOT-BC129705  Salix bonplandiana Gordon H. True 1968-8-6 4575 Yolo Edge of roadside ditch, Hungry Hollow on Dunnigan-Winters Highway, 7 miles sough of [Dinnigan] Dunnigan 30 Comment
  RSA273250  Salix exigua Glenn A. Gorelick 1965-10-3 s.n. Yolo Davis. Near Putah Creek at Low Water Bridge. Comment
  UCD110900  Salix exigua Cay Collette 1975-5-31 20 Yolo Knight's Landing. 10' from Sacramento River. 15 Comment
  UCD110904  Salix exigua Beecher Crampton 1976-3-20 9361 Yolo Yolo County, Vaca Mtns. Putah Creek canyon, ca. 8 miles west of Winters. Comment
  UCD110933  Salix exigua P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co. Clarksburg -- Sacramento River. Comment
  UCD34612  Salix exigua Beecher Crampton 1986-9-3 10059 Yolo Yolo County, ca. 3.5 miles N.W. of Davis, Dry Slough and road 99. Comment
  UCD34626  Salix exigua Beecher Crampton 1986-9-10 10072 Yolo Yolo County, 1/2 mile north of Capay, north edge of Cache Creek. Comment
  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
  RSA0011219  Salix exigua Todd K. Fuller 1975-5-3 1 Yolo Intersection of Putah Creek Road and County Road 98. Comment
  CAS-BOT-BC104025  Salix gooddingii H. K. Wagnon 1983-4-25 1716 Yolo West Sacramento near the locks along Sacramento River Comment
  POM166923  Salix gooddingii Roxana Stinchfield 1916-7-1 480 Yolo Mouth of Buckeye Creek. Comment
  UCD13191  Salix gooddingii Kitty Dooley 1976-5-14 58 Yolo Yolo Co. On S side of rd 93A in irrigation canal. 2.6 mi E of rd 32. Elev. 50 ft. 15 Comment
  UCD81001  Salix gooddingii Drew Maraglia 2009-4-15 2 Yolo Mavis Henson Field, owned by city of Woodland. East side of County Road 102, just south of County Road 25. Western edge of drainage pond. 9 Comment
  SEINET10392472  Salix gooddingii A. A. Heller 1902-4-29 5419 Yolo Near Madison. Comment
  SEINET4855857  Salix gooddingii var. variabilis Carl F. Baker 1903-5-7 2936 Yolo Rumsey. Comment
  CAS-BOT-BC104058  Salix hindsiana Beecher Crampton 1986-9-3 10059 Yolo ca. 3.5 miles N.W. of Davis, Dry Slough and road 99 Comment
  CHSC79360  Salix laevigata Beecher Crampton 1975-6-24 9228 Yolo Putah Creek Canyon, 6.5 miles west of Winters. Comment
  SBBG1235  Salix laevigata Milton Workman 1953-3-21 14 Yolo Putah Crk bank, near rodeo arena, University of California, Davis Comment
Read comments
Jun 12 2008
  SBBG83461  Salix laevigata C. de Leon 1975-5-4 29 Yolo Putah Crk, 2 mi E on St Hwy 128 from Monticello Dam 201 Comment
  UCD81012  Salix laevigata Jose-Luis Rayas; with PLB 102 students 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. Edge of Bray Creek. 83 Comment
  UCD161078  Salix lasiandra var. lasiandra Craig Thomsen 2006-6-30 2622 Yolo Rumsey Canyon along Cache Creek. Otis-Camp Haswell Yolo County Park. West side of Cache Creek. 144 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-BC228571  Salix lasiolepis Beecher Crampton 1986-9-8 10069 Yolo Sacramento River, 3.5 miles north of Elkhorn Comment
  UCD20590  Salix lasiolepis E. Dean; with M. Bibbo 2002-7-5 1133 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 1.8 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 457 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
  UCD34621  Salix lasiolepis Beecher Crampton 1986-9-8 10067 Yolo Yolo County, Sacramento River, 3.5 miles north of Elkhorn, sandy flat. Comment
  UCD34622  Salix lasiolepis Beecher Crampton 1986-9-8 10068 Yolo Yolo County, Sacramento River, 3.5 miles north of Elkhorn, sandy flat. Comment
  UCD34643  Salix lasiolepis Beecher Crampton 1987-3-31 10088 Yolo Yolo County, 6.5 miles west of Winters along Putah Creek. Comment
  UCR148146  Salix lasiolepis Beecher Crampton 1986-8-26 10053 Yolo c. 5-6 mi west of Winters along Putah Creek, public access area Comment
  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
  UCD34619  Salix melanopsis Beecher Crampton 1986-9-4 10065 Yolo Yolo County, Solano County border, Mace road crossing at south fork of Putah Creek ca. 3 miles S.E. of Davis. Comment
  UCD126788  Salpichroa origanifolia Beecher Crampton 1977-8-23 9522 Yolo Davis, vacant lot along G St. between 5th and 6th. Comment
  UCD162399  Salpichroa origanifolia R. N. Raynor 1937-9-10 s.n Yolo Davis. Comment
  UCD20773  Salsola damascena E. A. Dean; J. Shepard 2002-7-11 s.n. Yolo Yolo County. City of Davis. University of California farm. 19 Comment
  SEINET3866171  Salsola tragus J. Shepard 2000-10-24 346 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. East of first parking lot on south side.; 0 12 Comment
  UCD149334  Salsola tragus Collector Unknown 1932-5-31 s.n. Yolo City of Woodland. 25 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
  SEINET239727 Image available Salsola vermiculata Beecher Crampton 1976-10-28 4657 Yolo UC Davis experimental are4a, plant introduction nursery, row B-11. 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-BC245832  Sambucus nigra subsp. caerulea H. Popenoe 1949-6-2 28 Yolo By Winters-Davis flight strip Comment
  UCD13215  Sambucus nigra subsp. caerulea Steve Daniel 1986-5-16 28 Yolo Along hwy 128/Covell Blvd, 8 mi W of Davis, S side of the rd. Comment
  UCD137621  Sambucus nigra subsp. caerulea Kamala Crompton 1996-4-21 5 Yolo along Road 128, on cliff above Putah Creek. 100 Comment
  UCD14613  Sambucus nigra subsp. caerulea Nathan Horn 1989-6-7 24 Yolo along Old Davis Road, ca. 1 mile south of University of California, Davis; 15 Comment
  UCD20861  Sambucus nigra subsp. caerulea N. Nicola 2001-2-5 78 Yolo Sacramento Valley, 4 miles west of Woodland, at Cache Creek Nature Preserve, riparian zone of Cache Creek. Comment
  UCD81038  Sambucus nigra subsp. caerulea Alexis Fuller; Ellen Dean and Clare Loughran 2011-5-8 1 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Lower reaches of Bray Canyon. West side of Bray creek. 81 Comment
  JEPS84636  Sanicula bipinnata John W. Willoughby 1977-3-16 1911 Yolo low foothills n State Highway 128 (1.3 mi e of its junction with Pleasants Valley Rd (County Rd 86), large turnout on n side of hwy, apricot orchard s of hwy); Vaca Mountains 48 Comment
  RSA471436  Sanicula bipinnata Glenn A. Gorelick, Chang 1966-3-22 s.n. Yolo Growing along roadside, Road 22, Putah Canyon, approx. 2 miles from hwy 128. Comment
  UCD58069  Sanicula bipinnata Ellen Dean; K. Mawdsley 2007-4-6 3609 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 507 Comment
  CDA38535  Sanicula bipinnata T. C. Fuller 1958-4-23 s.n. Yolo On bench above Cache Creek, 1 mile northwest of Rumsey. 0 Comment
  UCD34195  Sanicula bipinnata Beecher Crampton 1978-3-16 9545 Yolo 2 miles west of Winters. Comment
  RSA589919  Sanicula bipinnatifida Michael A. Vincent, Robert M. Rhode 1996-3-30 7264 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16, ca. 2 miles S of Colusa Co. Line. Comment
  UCD73629  Sanicula bipinnatifida Ellen Dean; Elizabeth Goebel 2008-4-7 4756 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat, west of Dry Creek road crossing. 83 Comment
  RSA0048660  Sanicula bipinnatifida Keith E. Hoffmaster 1939-4-6 901 Yolo Putah Can. Comment
  UCD128013  Sanicula bipinnatifida E. H. Stanford 1940-4-1 s.n. Yolo Putah. Comment
  UCD127983  Sanicula crassicaulis Cherry Kline 1964-3-21 4 Yolo Cache Creek Canyon, State Highway 16, north of Rumsey. Comment
  UCD128063  Scandix pecten-veneris Vincent Chang 1966-3-24 20 Yolo State Highway 128, 2 miles west of Winters. 39 Comment
  UCD81848  Schoenoplectus pungens Ellen Dean; M. Showers, G. Harrington 2009-6-3 5767 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
  SEINET215189  Scirpus acutus B. Hess 1973-5-22 41 Yolo .5 mi E of Knights Landing on Hwy 116 Comment
  SFV8781  Scirpus acutus var. occidentalis J. Arthur 1966-5-12 59 Yolo Sacramento Valley Davis. Putah Creek. 2 miles west of University of California campus. 15 Comment
  UCD142963  Scirpus microcarpus Ellen Dean; N. Gonzales 2013-8-8 7936 Yolo Downstream of Monticello Dam along Hwy 128, north side of Putah Creek in Putah Creek Vegetation Survey Plot INT 2A. 45 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
  RSA733705  Scrophularia californica Keith E. Hoffmaster 1946-3-29 1253 Yolo Putah Canyon, near cannon-ball Comment
  SFV8323  Scrophularia californica subsp. floribunda F. W. Martin, M. N. Martin 1960-4-22 73 Yolo State Highway 16, 3 miles northwest of Rumsey. 130 Comment
  UCD38856  Senecio flaccidus var. douglasii Beecher Crampton 1962-10-2 6691 Yolo 8 miles west of Winters, Putah Creek Canyon, Vaca Mts. State Hwy. 128. Comment
  CDA7657  Senecio vulgaris T. C. Fuller 1962-3-27 7890 Yolo Road to Monticello Dam, Putah Creek Canyon, 4 miles west of Winters. 0 Comment
  UCD144437  Senecio vulgaris Carol W. Witham 2003-4-7 907 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCR235431  Senecio vulgaris George K. Helmkamp, E. A. Helmkamp 2012-4-17 18778 Yolo Sacramento Valley, along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland 65 Comment
  CAS-BOT-BC364705  Senecio vulgaris Roxana S. Ferris 1917-4-20 700 Yolo Near Dunnigan Comment
  SEINET11696009  Setaria italica Unknown 1959-11-2 s.n. Yolo UC Davis Campus, Agronomy Experimental Area Comment
  SBBG115366  Setaria parviflora B. Crampton 1965-7-27 7474 Yolo ca. 2.5 mi NNW of Davis on US Hwy 99 Comment
  SBBG26322  Setaria parviflora B. Crampton 1965-7-27 Yolo US Hwy 99, 2.5 mi NNW of Davis Comment
  UCD92583  Setaria parviflora Beecher Crampton 1965-7-27 7474 Yolo 2.5 miles N.N.W. of Davis on US Hwy. 99. Comment
  CAS-BOT-BC243655  Setaria pumila Clarence R. Quick 1968-8-25 68 -05 Yolo Garden, Merritt Island, near junction of county roads #140 and #142, 3.5 miles south of Clarksburg Comment
  CHSC117313  Setaria pumila B. Castro; Tom Boullion 2008-8-22 1764 Yolo Sacramento Valley. Ca 2.7 air mi SE of Knights Landing, via Road 116B, W of ' Wild Irishman Bend' on topo map, on W bank of the Sacramento River at RM 85.6. 9 Comment
  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
  UCD92824  Setaria verticillata R. N. Raynor 1939-7-15 s.n. Yolo Yolo County. Comment
  UCR119153  Setaria verticillata Beecher Crampton 1964-8-3 7137 Yolo Sacramento Valley, Davis. 15 Comment
  UCD37707  Setaria viridis Beecher Crampton 1961-7-21 5937 Yolo Yolo County, city of Davis, University of California campus, Pomology Department orchards. Comment
  UCD92886  Setaria viridis Collector unknown 1925-6-16 2116 Yolo University Farm campus. Comment
  UCD58030  Sherardia arvensis Ellen Dean; K. Mawdsley 2007-4-6 3569 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
  UCD116575  Sidalcea hirsuta H. A. Borthwick 1925-5-21 1821 Yolo Causeway. Comment
  UC187416  Sidalcea keckii J. W. Blankinship 1893-5-30 Yolo Capay Valley Comment
  UCD36601  Sidalcea keckii Beecher Crampton 1955-5-12 2771 Yolo Yolo County, 7.5 miles west of city of Davis, Moon Ranch. Comment
  UCD116606  Sidalcea keckii Mary N. Artist 1965-5-2 12 Yolo Pleasants Valley Road, just across first bridge (south) from State Highway 128. Comment
  UCD116636  Sidalcea keckii Craig Thomsen 1993-4-1 1795 Yolo at corner of Road 96 and Yellowstone, NW end of city of Davis. Comment
  SFV8395  Silene gallica M. Cary 1971-4-6 10 Yolo 5.8 miles west of Winters on State Highway 128. Comment
  UCD20850  Silene gallica N. Nicola 2001-4-19 066 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  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
  UCSB71661  Silene gallica Cheadle, Vernon 1955-7-19 Yolo Botany Department Greenhouse; University of California, Davis Comment
  UC735714  Silybum marianum Charles B. Heiser Jr. 1947-5-23 1916 Yolo Davis , campus (campus, <University of California at Davis>) Comment
  UCD20857  Silybum marianum N. Nicola 2001-2-5 074 Yolo Sacramento Valley, 4 miles west of Woodland, at Cache Creek Nature Preserve, riparian zone of Cache Creek. Comment
  UCD21231  Silybum marianum J. Shepard 2000-4-9 110 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. By parking lot on north side of entrance road. 12 Comment
  UCD80973  Silybum marianum Ellen Dean; R. Rawson, J. Herford, A. Weidling, H. McGinnis 2009-4-1 5356 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Western side of property used by model airplane club. 9 Comment
  UCD115403  Sinapis alba A. S. Crafts 1926-7-8 441 Yolo Davis, University Farm Campus. Comment
  CDA30596  Sinapis arvensis M. Beyers 2010-5-12 453 Yolo Just east of County Road 87, along County Road 19. Sheet 1 of 2. 54 Comment
  SD255683  Sinapis arvensis George K Helmkamp, Mary Alice Barnes 2013-5-8 20523 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
  UCD115404  Sinapis arvensis A. S. Crafts 1932-6-6 1 Yolo Boyer Ranch, near Davis. Comment
  UCD115430  Sinapis arvensis J. A. Ogle 1924-6-1 s.n. Yolo Davis. Comment
  UCD115432  Sinapis arvensis Ogden C. Riddle 1942-4-7 61 Yolo 1 mile southwest of Davis. Comment
  UCD115441  Sinapis arvensis M. Sokoloff 1924-6-1 17 Yolo Davis. Comment
  CAS-BOT-BC474704  Sisymbrium irio Jean Shepard 2010-4-24 838 Yolo City of Davis, downtown, between G St. and RR track and beween 3rd and 4th Sts. in an alley Comment
  UCD80936  Sisymbrium irio Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5339 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
  UC1603539  Solanum americanum M. Nee 1988-8-14 36780 Yolo University of Calfornia Davis, campus University of Calfornia Davis Comment
  UC917177  Solanum americanum J. D. Skoss 1948-6-5 17 Yolo University of California campus, Davis, Yolo County, California Comment
  CDA5909  Solanum cardiophyllum T. C. Fuller 1969-8-7 18855 Yolo Veg. Crops Dept., University of California, Davis. 0 Comment
  CDA18063  Solanum elaeagnifolium J. King, JY 1999-7-29 PDR 1202573 Yolo Port of Sacramento, West Sacramento. 0 Comment
  UC735713  Solanum elaeagnifolium Charles B. Heiser Jr. 1946-5-20 1915 Yolo campus of University of California Davis University of California Davis Comment
  UCD126905  Solanum elaeagnifolium M. Ramos 1996-5-21 20 Yolo south side of Davis. 13 Comment
  CDA41198  Solanum elaeagnifolium G. D. Barbe 1985-6-18 4234 Yolo Delmonte Street and Harbor Boulevard, Port of Sacramento, West Sacramento. 0 Comment
  NY826941  Solanum elaeagnifolium B. Crampton 1964-8-2 7136 Yolo 3 miles north of Davis. Southern Pacific railroad. Comment
  NY826942  Solanum elaeagnifolium B. Crampton 1960-10-4 5784 Yolo UC-Davis Campus, northeast of Agronomy Warehouse. Comment
  UCD126898  Solanum elaeagnifolium M. Ensign 1943-8-9 s.n. Yolo University Farm. Comment
  UC1053305  Solanum laxum B. J. McCaskill 1954-4-6 223 Yolo in yard at 709 7th Street, Davis, Yolo County, California. Comment
  UCR141665  Solanum nigrum Gene Miyao 1981-11-12 s.n. Yolo Yolo County 70 Comment
  NY759877  Solanum nigrum M. H. Nee 1988-8-14 36780 Yolo Campus of University of California, Davis Comment
  UCD18393  Solanum nigrum K. Glenn 1982-7-7 s.n. Yolo County Rd. 102 and Cache Creek, on SW side in tomato field. Comment
  UCD126962  Solanum parishii Charles F. Battaglia 1998-5-31 027 Yolo Highway 16, approx. 23 miles north of town of Esparto, 2.5 miles north of town of Rumsey. On north-bound lane side, near two pullouts overlooking large pools and waterfalls and just south of sharp turn on Cache Creek. 76 Comment
  UCD126988  Solanum parishii J. D. Skoss 1948-6-6 28 Yolo Putah Canyon, 2 miles below Yolo-Napa county line. Comment
  CDA41189  Solanum parishii T. C. Fuller 1958-4-23 s.n. Yolo On bench slope above Cache Creek, 1 mile northwest of Rumsey. 0 Comment
  UCD126975  Solanum parishii Charles B. Heiser Jr. 1947-4-10 1902 Yolo In canyon, northwest of Highway 16, 1 mile north of Rumsey. Comment
  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
  UCD36774  Solanum rostratum Beecher Crampton 1955-7-29 3131 Yolo city of Davis, University of California campus, horse pasture west of sewage disposal site. Comment
  SEINET10780199  Solanum tuberosum Stephanie Frischie 2000-9-27 Frischie 72 Yolo Safeway Store #1205, 1431 West Covell, Davis, CA 95616. Comment
  SBBG50876  Solanum umbelliferum P. G. Low 1966-4-2 18 Yolo 1 mi E of Monticello Dam 76 Comment
  UCD18980  Solanum villosum Gene Miyau 1996-5-1 s.n. Yolo town of Knights Landing, growing in tomato field near wet area. Comment
  UCD127095  Solanum xanti Kamala Crompton 1996-4-21 6 Yolo along Road 128, near to Cold Canyon Preserve. 100 Comment
  UCD127099  Solanum xanti H. T. Hartmann 1942-3-30 s.n. Yolo 5 miles west of Winters, Putah Canyon. Comment
  UCD73621  Soliva sessilis Ellen Dean; Elizabeth Goebel 2008-4-7 4748 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat, west of Dry Creek road crossing. 83 Comment
  UCD33425  Soliva sessilis Beecher Crampton 1968-3-13 8228 Yolo Yolo County, Vaca Mtns. Putah Creek, just below Monticello Dam. Comment
  UCD146250  Sonchus asper subsp. asper Daniel S. Park; K. Yeo 2010-4-16 19 Yolo Davis, 2nd St. roadside. 14 Comment
  UCD160543  Sonchus asper subsp. asper Ellen Dean; Craig Thomsen 2015-3-21 8597 Yolo Audubon Bobcat Ranch. Western part of ranch, just north of Hwy 128 and N of Putah Creek. Area E of Bray Canyon at base of large escarpment labeled 'spring' on topo maps. Burned in 2014. 220 Comment
  UCD21311  Sonchus asper subsp. asper J. Shepard 2000-5-20 256 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, past parking lots on south side. 12 Comment
  UCD38748  Sonchus asper subsp. asper Beecher Crampton 1957-9-16 4613 Yolo 8.5 miles northwest of Davis. Comment
  UCD136165  Sonchus oleraceus K. Esau 1937-5-28 s.n. Yolo Davis. Comment
  CAS-BOT-BC236537  Sorghum bicolor J. H. Thomas 1960-8-30 8868 Yolo About 5 miles south of Winters along highway to Vacaville Comment
  CAS-BOT-BC236538  Sorghum bicolor T. C. Fuller; G. D. Barbe 1979-9-20 2251 Yolo West of County Road 95, between county roads 25 and 27, southwest of Woodland Comment
  RSA140806  Sorghum bicolor John H. Thomas 1960-8-30 8868 Yolo 5 miles S of Winters along Hwy to Vacaville. Comment
  UCD92784  Sorghum bicolor Beecher Crampton 1957-11-5 4645 Yolo East of West Davis Elementary School, Anderson Road, Davis. Comment
  UCD36805  Sorghum halepense Beecher Crampton 1955-10-13 3176 Yolo Davis. Comment
  UCD37676  Sorghum halepense Beecher Crampton 1961-6-1 5881 Yolo 1 mile N of Davis. Comment
  UCD92765  Sorghum halepense R. Tofsrud 1947-5-8 s.n. Yolo Near Esparto. Comment
  UCR119177  Sorghum halepense Beecher Crampton 1961-6-1 5881 Yolo Sacramento Valley, 1 mile north of the city of Davis. 15 Comment
  UCD94814  Sparganium eurycarpum Beecher Crampton 1961-10-25 6048 Yolo 4 miles NW of Bryte, Yolo Bypass. Comment
  UCD108503  Spartium junceum M. Ramos 1996-5-7 19 Yolo One mile west of Winters on Highway 128. 137 Comment
  CHSC59961  Spergularia bocconi J. M. Tucker 1977-5-2 4392 Yolo Around greenhouses; Orchard Park greenhouse complex (Range 3), University of California campus, Davis. Comment
  UCD21405  Spergularia bocconi J. Shepard 2001-5-6 450 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 100 yards west of Department of Defense fence 12 Comment
  RSA0097267  Spergularia bocconi W. R. Jordan 1967-4-17 35 Yolo Junction of Sutter Bypass and Robbins Reclamation Canal, 5 miles NE of Knights Landing. 15 Comment
  UCD99201  Spergularia bocconi J. M. Tucker 1977-5-2 4392 Yolo Ochard Park greenhouse complex (Range 3), UC campus, Davis. Comment
  SBBG115383  Spergularia macrotheca var. leucantha B. Crampton 1985-4-10 9912 Yolo 3.5 mi SE of Woodland Comment
  UCD33932  Spergularia macrotheca var. leucantha Beecher Crampton 1975-4-18 9161 Yolo Yolo County, 3 miles S.E. of Woodland. Comment
  HSC4267  Spergularia salina C. B. Wolf 1928-5-8 2140 Yolo 12 mi. N of Dixon on the Pacific Hwy. Comment
  UCD99209  Spergularia villosa J. D. Skoss 1948-5-30 s.n. Yolo 3 miles north of Davis on county road. Comment
  RSA321849  Spiraea densiflora James R. Shevock 1979-6-23 6264 Yolo Occasional on a rocky slope above the Yuba River in a lodgepole pine forest adjacent to Interstate 80. Tahoe National Forest Comment
Read comments
Jul 30 2014
  RSA261453  Spirodela polyrhiza Helen North 1967-5-27 46 Yolo Near Putah Lodge, University of California, Davis 0 Comment
  UCD93044  Sporobolus airoides Beecher Crampton 1970-8-28 8648 Yolo 5.5 miles E of Davis. Interstate Hwy 80 westbound. Yolo Causeway Fill. Comment
  UCD93144  Sporobolus indicus Beecher Crampton 1964-8-11 7138 Yolo UC Davis Campus. N of Hunt Hall. Comment
  UCD125554  Stachys ajugoides Beecher Crampton 1961-5-8 5864 Yolo Davis, north city limits along County Road 31. Comment
  UCD19188  Stachys ajugoides Janet Seely 1976-5-16 24 Yolo city of Davis, 315 East 14th St., vacant field east of Yolo County Library. 15 Comment
  UCD20377  Stachys ajugoides K. Esau 1932-5-22 s. n. Yolo Yolo County, near Woodland. Comment
  UCD38305  Stachys ajugoides Beecher Crampton 1953-11-22 1738 Yolo 1 mile north of Davis. Comment
  SEINET893245  Stachys lanata J. M. Tucker 1966-1 3946 Yolo In garden at 1200 Harvard Drive, Davis 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
  JEPS84563  Stebbinsoseris heterocarpa John W. Willoughby 1977-3-27 1977 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) 60 Comment
  SEINET5726717 Image available Stellaria media B. L. Hanson 1961-1 1 Yolo west end of Davis; Davis 15 Comment
  UCD99374  Stellaria media C. G. Baughn 1949-5-15 43 Yolo Davis. Comment
  UCD136460  Stephanomeria virgata subsp. pleurocarpa M. Phillips 1929-10-1 2071 Yolo Putah Canyon. Comment
  UCR119037  Stipa cernua Beecher Crampton 1958-4-21 4705 Yolo Vaca Mountains, 1/2 mile north of Guinda, Copay Valley, along State Hwy. 16. 152 Comment
  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
  SEINET240473  Stipa nutans Beecher Crampton 1953-6-11 1805 Yolo UC Davis agronomy experimental area, plant introduction nursery Comment
  UCR235401  Stipa pulchra George K. Helmkamp, E. A. Helmkamp 2012-4-17 18786 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
  UCD19191  Suaeda calceoliformis A. M. Shapiro 1986-9-28 s.n. Yolo city of Davis, right at north city limits on F. St. extension, ditch along east edge of Old Davis farms. Comment
  UCD141661  Symphoricarpos albus var. laevigatus Ellen Dean; M. Taylor, K. MacMillan 2013-6-13 7789 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
  UCD148279  Symphyotrichum Robert E. Preston 2013-10-23 2942 Yolo Yolo Bypass, at N end of Greens Lake. 3 Comment
  UCD38923  Symphyotrichum chilense Beecher Crampton 1961-10-25 6043 Yolo 4 miles NW of Bryte, Yolo Bypass. Comment
  UCD81536  Symphyotrichum chilense W. W. Robbins; W. D. Norton 1927-10-1 s.n. Yolo West of Davis. Comment
  CDA16254  Symphyotrichum subulatum var. parviflorum G. F. Hrusa 1997-10-13 14121 Yolo Sacramento Valley; Sacramento R. immediately S of I-5 ~ 5 mi E of Woodland (near Tule Canal). 0 Comment
  UCD18364  Symphytum officinale Hank Segall 1999-5-1 s.n. Yolo city of Davis, UC Davis campus, near student domes, Experimental Farm. 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
  UCD15704  Tagetes minuta Jean Shepard 1997-10-19 s.n. Yolo city of Davis, Community Gardens near Poleline on 5th St. Comment
  UCD39936  Tamarix aphylla Beecher Crampton 1979-4-1 s.n. Yolo UC Davis Campus. 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
  SEINET10962078  Tamarix parviflora John F. Gaskin 1998-7-3 Gaskin 80 Yolo 2 mi N of Hwy CA 16 at Madison, end of road near quarry, along creek. Comment
  UCD136809  Taraxacum officinale Collector Unknown 1925-7-14 1631 Yolo Davis. Comment
  SEINET9060020 Image available Tetraclinis articulata S. Ickert Bond, R. Bond 1997-3-19 445 Yolo University of California at Davis Arboretum Comment
  UCD93332  Thinopyrum ponticum Beecher Crampton 1955-7-11 2981 Yolo 2 miles NE of Davis, along County Road 102. Comment
  UCD33156  Thlaspi arvense Beecher Crampton 1967-4-19 7832 Yolo UC Davis, edge of field just NW of new Administration Building. Comment
  CAS-BOT-BC88179  Thysanocarpus curvipes Robert F. Hoover 1938-2-22 2765 Yolo Putah Creek Canyon. Comment
  UC765142  Thysanocarpus curvipes R. F. Hoover 1938-4-23 3202 Yolo Grade on Rumsey-Arbuckle Road Comment
  UCD82325  Thysanocarpus curvipes Robin McMaster 1973-4-15 313 Yolo 3 miles NW Rumsey on Hwy 16. 152 Comment
  RSA0041673  Thysanocarpus curvipes var. elegans Keith E. Hoffmaster 1939-4-6 908 Yolo Putah Canyon. Comment
  UC596389  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
  UCD168432  Tonella tenella Ellen Dean 2017-3-15 9254 Yolo Audubon Bobcat Ranch, lands north of Hwy 128, just east of Monticello Dam. Bray Canyon and vicinity on the western side of ranch. Ranch burned once each year in 2014, 2015, 2016. 2017 has been a high rainfall year. Lower reaches of Bray Canyon on west side of creek. 57 Comment
  UCD58050  Tonella tenella Ellen Dean; K. Mawdsley 2007-4-6 3590 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 515 Comment
  CDA5464  Torilis nodosa T. C. Fuller 1958-5-2 3962 Yolo Niessen property, 2 miles southwest of Esparto. 0 Comment
  UC917297  Torilis nodosa J. D. Skoss 1948-6-6 26 Yolo Putah Canyon, 2 miles below Yolo-Napa county line Comment
  CDA441  Torreya californica W. McGrew 1967-9-6 s.n. Yolo Reid Mine area, NW corner of Yolo Co. 0 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
  SEINET5320888  Torreya californica A. T. Leiser, Ledyard Stebbins 1983-11-5 Yolo Ray House Road, Leviathian Mine, north northeast facing slopes, tree B Comment
  CAS-BOT-BC173003  Toxicodendron diversilobum P. B. Kaufman 1950-4-7 25 Yolo Putah Canyon Comment
  UCD72425  Toxicoscordion fremontii Ellen Dean 2008-4-25 4853 Yolo Tuleyome Ireland Ranch, central part of ranch along path that has been cut through chaparral to access southwestern portion of ranch. 620 Comment
  UCD139861  Toxicoscordion fremontii Alpaslun Ongun 1961-3-10 4 Yolo Poleline Road north of Davis. Comment
  UCD139980  Tradescantia fluminensis Shogo Yamaguchi 1955-6-12 s.n. Yolo Aggie Villa, 1st Street. Comment
  UCD149333  Tragopogon porrifolius Collector Unknown 1932-5-10 s.n. Yolo City of Woodland. 25 Comment
  UCD107388  Tribulus terrestris K. Esau 1931-6-1 2235 Yolo University of Farm Campus. Comment
  UCD84678  Tribulus terrestris J. Shepard 2010-8-15 844 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 edge of parking lot north of entrance road. 12 Comment
  CDA37734  Tribulus terrestris Robin Breckenridge 2010-7-2 s.n. Yolo Brooks. 0 Comment
  SEINET873048  Tribulus terrestris J. M. Tucker, C. H. Lamoureux 1958-1 3399 Yolo University Arboretum, east side of the California Avenue bridge. University of California campus, Davis. Comment
  JEPS63116  Trichostema lanceolatum W. L. Jepson 1929-9-26 15273 Yolo Madison 60 Comment
  JEPS63120  Trichostema lanceolatum Willis L. Jepson 1892-7-27 14881 Yolo W of Winters Comment
  UCD73708  Trichostema lanceolatum Ayzik Solomeshch 2004-6-15 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  UC1999786  Trichostema lanceolatum H. E. M. Dobson 1977-10-15 279 Yolo 3 miles west of Winters Comment
  UC764661  Trifolium albopurpureum R. F. Hoover 1938-4-23 3187 Yolo Rumsey Comment
  UCD111361  Trifolium albopurpureum Beecher Crampton 1955-4-14 2492 Yolo 2 miles northwest of Dunnigan. Comment
  UCD33173  Trifolium albopurpureum Beecher Crampton 1967-5-3 7854 Yolo 2 miles west of Winters. Comment
  UCD34400  Trifolium albopurpureum Beecher Crampton 1982-3-22 9822 Yolo 5 miles W of Winters. Comment
  UCD35898  Trifolium albopurpureum Beecher Crampton 1966-4-20 7659 Yolo 2 miles west of Winters. Comment
  UCD35274  Trifolium bifidum Beecher Crampton 1955-4-14 2474 Yolo 7.5 miles west of Davis, Moon Ranch. Comment
  UCD56702  Trifolium bifidum Ellen Dean; M. Bibbo 2007-3-23 3395 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
  UCR119078  Trifolium bifidum Beecher Crampton 1966-4-6 7636 Yolo Sacramento Valley, 2 miles west of Winters. 30 Comment
  SBBG29018  Trifolium bifidum var. bifidum B. Crampton 1966-4-6 7636 Yolo 2 mi W of Winters Comment
  UCD21395  Trifolium bifidum var. bifidum J. Shepard 2001-4-27 439 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 4 mi. south on Mace Blvd. (County Road 104), thence east 0.5 miles along County Road 36. In the southeast corner of park. 12 Comment
  UC638708  Trifolium bifidum var. decipiens Ethel Crum 1938-5-7 1991 Yolo 4 mi n Rumsey (Cache Creek Canyon); Inner North Coast Ranges 152 Comment
  UCD39097  Trifolium ciliolatum Beecher Crampton 1964-4-8 6922 Yolo 4 miles west of Winters, State Highway 128. Comment
  UCD41303  Trifolium depauperatum Ellen Dean; Jean Shepard 2003-5-18 1806 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
  UCD82189  Trifolium depauperatum J. Shepard 2004-3-21 636 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 30 yds. 12 Comment
  CHSC79314  Trifolium depauperatum var. amplectens Beecher Crampton 1953-4-19 1111 Yolo 1.5 miles north of Davis. 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
  UCD35918  Trifolium depauperatum var. amplectens Beecher Crampton 1953-4-19 1110 Yolo 1.5 miles north of Davis. Comment
  UCD82068  Trifolium depauperatum var. amplectens Beecher Crampton 1966-4-28 7681 Yolo 1 mile southwest of Saxon Station. (site) 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
  UCD108541  Trifolium depauperatum var. truncatum E. H. Stanford 1940-4-1 s.n. Yolo Putah. Comment
  UCD35738  Trifolium depauperatum var. truncatum Beecher Crampton 1953-3-31 1053 Yolo About 4 miles west of Davis. Comment
  UCD41034  Trifolium dubium Carol W. Witham 2003-4-26 966 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD39967  Trifolium eriosphoerum Beecher Crampton 1966-7-6 s.n. Yolo UC Davis Campus, Agronomy Experimental Area; grown from seed of unknown origin. P.I. 290-019. Comment
  UCR197974  Trifolium fragiferum Beecher Crampton 1953-8-20 1598 Yolo Sacramento Valley, UC Davis campus 16 Comment
  CDA4279  Trifolium fragiferum R. E. Skaggs 1967-7-3 Yolo 1113 Alice Street, Davis. 0 Comment
  UCD108949  Trifolium fragiferum R. E. Skaggs 1967-7-30 s.n. Yolo 1113 Alice Street, Davis. Comment
  CHSC79168  Trifolium fucatum Beecher Crampton 1966-4-19 7653 Yolo 1/4 mile south of Saxon station site. Comment
  UC631611  Trifolium fucatum P. B. Kennedy 1915-4-26 Yolo roadside in suburbs Davis Comment
  UC631612  Trifolium fucatum P. B. Kennedy 1915-4-26 Yolo Medicago Flats at University Farm Davis Comment
  UCD108975  Trifolium fucatum Collector Unknown 1925-5-11 1692 Yolo Davis. Comment
  UCD21052  Trifolium fucatum Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-4-5 232 Yolo S of the city of Davis. Along Road 38, approximately 0.25 miles S of its intersection with Road 105. Glide/Tule Ranch site, pool # GLI002. 2 Comment
  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
  UCR220400  Trifolium fucatum Jean V. Shepard 2001-3-23 413 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, from intersection of I-80 and Mace Blvd., 3.5 miles south on Mace Blvd. (County Rd 104), 0.5 mi east along County Road 36, southeast corner of the Park 12 Comment
  RSA699927  Trifolium fucatum Keith E. Hoffmaster 1946-4-19 1200 Yolo 3-4 miles NE of Davis. Comment
  UCD33056  Trifolium fucatum Beecher Crampton 1966-4-19 7653 Yolo 1/4 mile south of Saxon Station. Comment
  UCD33787  Trifolium fucatum Beecher Crampton 1973-4-16 8915 Yolo 1/4 mile south of Saxon Station. Comment
  UCD38426  Trifolium gracilentum Beecher Crampton 1955-4-14 2484 Yolo 2 miles south of Zamora. Comment
  UCD35740  Trifolium gracilentum Beecher Crampton 1953-3-30 1044 Yolo Durst Ranch, about 9 miles west of Dunnigan. Comment
  UCD38429  Trifolium gracilentum Beecher Crampton 1955-4-15 2500 Yolo UC Davis Campus, south end of the Campbell Tract. Comment
  UCD15490  Trifolium incarnatum Ted Graber 1984-4-15 18 Yolo North of Davis suburbs where they are presently building. 12 Comment
  UCD63080  Trifolium microcephalum Ellen Dean 2008-4-9 4789 Yolo Tuleyome Ireland Ranch. Central part of Ranch. Head of smaller canyon that is east of main canyon. 649 Comment
  UCD33060  Trifolium microcephalum Beecher Crampton 1966-4-20 7660 Yolo Yolo County, 2 miles west of Winters. Comment
  UCD35273  Trifolium olivaceum Beecher Crampton 1955-4-14 2475 Yolo 7.5 miles west of Davis, Moon Ranch. Comment
  UCD107579  Trifolium olivaceum Beecher Crampton 1965-4-6 7251 Yolo 2 miles west of Winters. Comment
  UCD39963  Trifolium radiosum Beecher Crampton 1966-7-6 s.n. Yolo UC Davis Campus, Agronomy Experimental Area; grown from seed of unknown origin. P.I. 201-216. Comment
  UCD149357  Trifolium subterraneum Collector Unknown 1952-1 s.n. Yolo City of Madison. 44 Comment
  SEINET12170819  Trifolium tridentatum Unknown 1953-3-31 1055 Yolo ca 5 mi W of Davis, N of Stevenson Bridge 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
  UCD161289  Trifolium willdenovii Jean Shepard 2012-4-7 865 -B Yolo West of Woodland, Co Rd 16 to Guinda. W on Forest Ave (Co Rd 53) about 1 mi to gate. Continue about 2 mi past gate. 262 Comment
  UCD35008  Trifolium willdenovii Beecher Crampton 1998-4-21 10344 Yolo Yolo County, ca. 3.5 miles S.E. of Woodland along county road 102, east of Mavis - Hanson field. Comment
  UCD38893  Trifolium willdenovii Beecher Crampton 1960-5-9 5494 Yolo 1.25 miles southwest of Saxon Station. Comment
  UCD80970  Trifolium willdenovii Ellen Dean; R. Rawson, J. Herford, A. Weidling, H. McGinnis 2009-4-1 5353 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
  UCR220401  Trifolium willdenovii Jean V. Shepard 2001-3-26 425 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, 4 mi south on Mace Blvd. (Co. Road 104) from intersection of Hwy I-80 and Mace Blvd., 0.3 mi east along County Road 36 12 Comment
  OBI54935  Trifolium willdenovii Kathleen Faustini 1980-4-21 9 Yolo Rte E6 and Rd 32 Comment
  UCD109844  Trifolium willdenovii Alan P. Godlewski 1974-4-25 s.n. Yolo South of Envir. Hort. On the U.C. Davis campus. Comment
  UCD18424  Trifolium willdenovii Gabor Bethlenfalvay 1973-4-23 2 Yolo city of Davis, Covell Blvd. and Anderson Rd. 15 Comment
  UCD19493  Trifolium willdenovii Terry Reedy 1974-5-5 199 Yolo city of Davis, 5th street and Pole Line Road., northeast corner. 21 Comment
  UCD33694  Trifolium willdenovii Beecher Crampton 1972-4-3 8781 Yolo Yolo County, 1/4 mile south of Saxon Station at intersection of County roads 106 and 38. Comment
  UCD34397  Trifolium willdenovii Beecher Crampton 1982-3-22 9819 Yolo Yolo County, 2 miles west of Winters on road 87. 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
  UCD20909  Triphysaria eriantha N. Nicola 2002-3-13 137 Yolo Murphy Ranch, near road 63 Comment
  UCD139307  Triteleia hyacinthina M. Wiesendanger 1927-5-4 661 Yolo Putah Canyon. Comment
  CDA30734  Triteleia laxa M. Beyers 2010-4-3 327 Yolo Along Highway 128, immediately adjacent to westbound traffic just northeast of Putah Creek (and Lake Solano County Park). 48 Comment
  UCD139411  Triteleia laxa M. Wiesendanger 1927-4-29 622 Yolo Esparto. 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
  UCD48279  Triteleia laxa C. Owens; M. Atamian, R. Brush, M. Furuyama, S. Olmsted 2000-4-29 05 Yolo Yolo Co, 1 mile north of Knoxville as the crow flies, 300 m east of an old dirt road that intersects the Yolo/Napa Co line. 640 Comment
  CAS-BOT-BC526142  Triteleia laxa Beecher Crampton 1978-3-16 9547 Yolo 2 miles west of Winters. Comment
  RSA639490  Triteleia laxa E. D. Appenzeller 1995-5-28 16 Yolo West of city of Winters. Off Highway 128 near Stebbins Cold Canyon Comment
  SEINET8506559  Triteleia laxa Schank 1959-3-28 s.n. Yolo Ca 2 miles E of Winter above Hwy 128. 152 Comment
  UCD19713  Triteleia laxa C. H. Lamoureux 1956-4-18 1047 Yolo Putah Canyon, 2 miles below recreation beach. Comment
  UCD93328  Triticum Beecher Crampton 1961-5-17 5870 Yolo 3 miles S of Woodland. Comment
  CHSC6710  Triticum aestivum B. Anthony 1968-4-7 443 Yolo 5 miles S. of Woodland on Hwy. 113. Comment
  HSC100288  Triticum aestivum J. P. Smith 2011-4-27 13133 Yolo North - West of the junction of Hwy. 16 and Co. Rd 22. 39 Comment
  UCD93308  Triticum turgidum Beecher Crampton 1961-6-1 5889 Yolo 3 miles S of Woodland. Comment
  UCD144776  Tropidocarpum gracile Carol W. Witham 2003-4-7 893 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD93420  Tuctoria mucronata Robert Holland 1993-6-10 s.n. Yolo Air Force Antenna Farm. Comment
  UCD94645  Typha angustifolia C. Heiser 1947-5-3 1908 a Yolo Under Yolo Causeway. Highway 99W. Comment
  SBBG37933  Typha domingensis M. L. Long 1969-8-7 Yolo edge of rice field, 3 mi NW of Zamora Comment
  UCD94673  Typha domingensis Beecher Crampton 1959-6-15 5359 Yolo Yolo: Winters, Yolo-Solano county line. Along Putah Creek. Comment
  UCD20563  Ulmus carpinifolia Kent Rein 1982-6-15 HN 121 Yolo Yolo County, Davis, UC Davis, W. edge of turf area between Hutchinson and Hoagland Halls. Comment
  UC917197  Ulmus minor J. M. Tucker 1950-6-28 1932 Yolo University of California Campus, Davis Davis, University of California Campus (w side of old Viticulture (formerly Irrigation) Building) Comment
  UCD86366  Urochloa ramosa Beecher Crampton 1967-9-25 s.n. Yolo Davis. University of California, Davis. Comment
  UCD111545  Urtica dioica subsp. holosericea Collector Unknown Date Unknown s.n. Yolo Yolo County. Exact location unknown. Comment
  UCD151003  Venegasia carpesioides D. S. Park; S. Nicole 2010-5-11 83 Yolo UCD near Science Lecture Bldg. 10 Comment
  UCD124706  Veronica anagallis-aquatica Pamela G. Riley; B. Harker and J. MacLean 2002-4-27 119 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
  UCD124770  Veronica peregrina subsp. xalapensis Fleur Ng'weno 1989-4-27 DQ 16 Yolo D-Q University, County Road 31, 9 miles W of Davis city center. 29 Comment
  UCD73626  Veronica peregrina subsp. xalapensis Ellen Dean; Elizabeth Goebel 2008-4-7 4753 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat, west of Dry Creek road crossing. 83 Comment
  UCD81006  Veronica peregrina subsp. xalapensis Drew Maraglia 2009-4-15 6 Yolo Mavis Henson Field, owned by city of Woodland. East side of County Road 102, just south of County Road 25. Old rodeo parking lot. 9 Comment
  UCD124769  Veronica peregrina subsp. xalapensis C. F. Ehlig 1951-4-22 36 Yolo 5 miles west of US 99W on Road 29. 15 Comment
  UCD124771  Veronica peregrina subsp. xalapensis L. H. Phillips 1929-4-3 1851 Yolo Davis. Comment
  SEINET13732412  Veronica peregrina var. xalapensis B. Crampton 1998-5-18 10363 Yolo Ca 2.5 miles N of Davis, along County Road 29, just W of its junction with County Road 101A. Comment
  UCD108724  Vicia americana subsp. americana P. B. Kennedy 1915-4-26 s.n. Yolo Railroad track, Davis. Comment
  UCD108923  Vicia sativa B. A. Madson 1925-4-28 K 241 Yolo Davis. Comment
  UCD108924  Vicia sativa B. A. Madson 1925-5-18 K 238 Yolo Davis. Comment
  UCD59332  Vicia sativa subsp. nigra Ellen Dean; Kate Mawdsley 2007-5-11 3756 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
  UCD82146  Vicia sativa subsp. nigra Jean Shepard 2000-2-19 46 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, north of parking lot on north side of road. Along tree rows flanking archery ranges. 12 Comment
  UCD41130  Vicia sativa subsp. sativa N. Nicola 2002-4-5 167 Yolo Eastern foothills of inner North coast range, Berryessa Valley, approx. 3.5 miles as the crow flies east of Monticello dam, off of Hwy 128, north side of creek. Comment
  UCR207822  Vicia villosa George K. Helmkamp, E. A. Helmkamp 2009-3-24 14437 Yolo Inner North Coast Ranges, along CA-128, 4.4 miles west of Winters and beside Putah Creek 43 Comment
  UCD38989  Vicia villosa subsp. pseudocracca Beecher Crampton 1960-4-10 5856 Yolo 3 miles west of Woodland. Comment
  CDA33926  Vicia villosa subsp. varia M. Beyers 2010-4-3 339 a Yolo Roadside along Highway 128, adjacent to Putah Creek Public Fishing Access #2. 54 Comment
  UCD141987  Vicia villosa subsp. varia M. Beyers 2010-4-3 339 Yolo Roadside along Highway 128, adjacent to Putah Creek Public Fishing Access #2. 54 Comment
  UCD109009  Vicia villosa subsp. villosa Collector unknown 1925-5-9 1716 Yolo Davis. Comment
  UCD35664  Vicia villosa subsp. villosa Beecher Crampton 1960-5-9 5509 Yolo Saxon Station. Comment
  UC422884  Viola douglasii F. P. Nutting 1893-5-24 Yolo Blacks Comment
  RSA424312  Viola odorata Glenn A. Gorelick 1966-2-17 s.n. Yolo 200 block 2nd st, Davis. Comment
  CHSC75026  Vitis californica Sabbina M. Lau 1989-6-7 15 Yolo West of Winters along Hwy 128, Stebbin's Cold Canyon Reserve. 400 meters from entrance on south-facing bank overlooking creekbed. 118 Comment
  SBBG115746  Vitis californica B. Crampton 1986-8-26 10054 Yolo ca. 5-6 mi W of Winters along Putah Crk, public access area Comment
  UCD17425  Vitis californica G. Ishizuka; A. Koyama 1971-3-29 69 550 Yolo California. Yolo County: UC Davis Viticulture Greenhouse (Grown from cuttings collected in Apr 1969 at Hayfork Junction in Trinity County.) Comment
  UCD17430  Vitis californica G. Ishizuka; A. Koyama 1971-3-29 69 557 Yolo California. Yolo County: UC Davis Viticulture Greenhouse (Grown from cuttings collected in Apr 1969 near Covelo in Mendocino County.) Comment
  UCD17433  Vitis californica G. Ishizuka; A. Koyama 1970-1 69 561 Yolo California. Yolo County: UC Davis Viticulture Greenhouse (Grown from cuttings collected in Apr 1969 along Big Jackass Creek in Toulumne County. Near Hwy 49.) Comment
  UCD17434  Vitis californica G. Ishizuka; A. Koyama 1970-3-3 69 562 Yolo California. Yolo County: UC Davis Viticulture Greenhouse (Grown from cuttings collected in Apr 1969 near the junction of Hwy 49 and 120 in Toulumne County.) Comment
  SEINET10844531  Vitis vinifera Stephanie Frischie 2000-9-30 Frischie 96 Yolo Davis Farmers' Market, Davis, CA. Comment
  UCD21277  Vulpia bromoides J. Shepard 2000-5-1 169 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
  UCD21297  Vulpia bromoides J. Shepard 2000-5-8 236 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 almost to east boundary of park, and south along fenceline (ca. 200 yards). In an adjacent field. 12 Comment
  RSA654045  Vulpia microstachys var. ciliata Beecher Crampton 1953-4-9 1063 Yolo Three miles west of city of Winters. Comment
  UCD36187  Vulpia microstachys var. ciliata Beecher Crampton 1953-4-9 1063 Yolo Yolo County, 3 miles west of city of Winters. Comment
  UCD93793  Vulpia microstachys var. ciliata Beecher Crampton 1953-4-9 1063 Yolo 3 miles west of city of Winters. Comment
  UCD93794  Vulpia microstachys var. ciliata Beecher Crampton 1953-4-9 1066 Yolo 2.5 miles west of city of Winters, along Road 87. Comment
  UCD93805  Vulpia microstachys var. ciliata Beecher Crampton 1955-4-14 2488 Yolo 2 miles northwest of Dunnigan. Comment
  UCD93825  Vulpia microstachys var. ciliata Beecher Crampton 1970-4-9 8553 Yolo 2 miles west of Winters. Comment
  UCD36531  Vulpia microstachys var. pauciflora Beecher Crampton 1954-4-26 1785 Yolo 1.5 miles northeas of city of Davis. Comment
  UCD94454  Vulpia microstachys var. pauciflora Beecher Crampton 1953-4-27 1142 Yolo 2.5 miles west of city of Winters. Comment
  UCD94476  Vulpia microstachys var. pauciflora Beecher Crampton 1955-4-14 2487 Yolo 1 mile north of Dunnigan, along U.S. Highway 99W. Comment
  UCD94502  Vulpia microstachys var. pauciflora Beecher Crampton 1957-4-9 3922 Yolo County Road 87, 2 miles west of Winters. Comment
  SACT002561  Vulpia myuros 1925-3-24 Yolo No collector/determiner listed Comment
  UCD103700  Washingtonia robusta Ellen Dean 2011-1-25 s.n. Yolo City of Davis. Southwest corner of the intersection of West 8th St and Mulberry Lane. 15 Comment
  CDA8989  Wyethia angustifolia T. C. Fuller 1958-4-23 Yolo Slope above Cache Creek, 1 mile northwest of Rumsey. 0 Comment
  UCD137150  Xanthium strumarium P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co. Sacramento River - Clarksburg. Comment
  UCD38927  Xanthium strumarium Beecher Crampton 1961-10-25 6052 Yolo 2 miles west of Bryte, County Road 127, confluence of the Sacramento and Yolo Bypass. Comment
  UCD41054  Xanthium strumarium Carol W. Witham 2003-8-8 985 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD38946  Xanthium strumarium Beecher Crampton 1961-9-19 5976 Yolo 6 miles west of Winters. Vaca Mts. Putah Creek Canyon, along State Hwy. 128. Comment
  HSC62744  Yabea microcarpa J. M. DiTomaso 1979-5-12 990 Yolo Slope above Putah Creek, below Monticello Dam 91 Comment
  UCD63356  Zannichellia palustris Daniel Sanchez-Mata 2006-6-15 s.n. Yolo Winters-Moskowite Corners. Putah Creek Public Fishing Area. 60 Comment
  SACT002593  Zea mays Tom Howard 1934-6-25 Yolo Teratological mixture of male and female flowers. Comment
  UCD20531  Zelkova serrata Armando Torres-L. 1984-3-20 s.n. Yolo Yolo County, UC Davis Campus, Environmental Horticulture Dept., near the cold room, EH map. Page #23. Comment
  UCD164509  Zeltnera trichantha Craig D. Thomsen 2006-6-8 2664 Yolo Camp Haswell County Park, along ridgeline trail, west of Hwy 16. 304 Comment
  RSA200864  Zigadenus fremontii Carl B. Wolf 1937-3-28 3825 Yolo 1.5 mile N of Dunnigan. 30 Comment
  UCR196220  Zigadenus micranthus var. fontanus R. Brush, M. Atamian, S. Olmsted, M. Furuyama, C. Owens 2000-4-29 07 Yolo Border of Yolo and Napa Co, McLaughlin Reserve, one mi as the crow flies north of the old town of Knoxville, 300 m east of old road in a burn area (burned October, 1999) 640 Comment



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