Search Results — 2000 specimen records retrieved (1405 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/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  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
  UCD33836  Abutilon theophrasti Beecher Crampton 1973-7-30 8990 Yolo Yolo County, Davis, one plant along Covell blvd. Comment
  UCSB31256  Acacia confusa Vernon I. Cheadle 1958-8-13 Lab#G 509 Yolo collected from U S Plant introduction Garden, Coconut Grove Florida, Botany Department Greenhouse, University of California, Davis Comment
  SEINET10407697 Image available Acacia dealbata B. J. McCaskill 1954-1 226 Yolo In parking on south side of 3rd Street just west of B Street, Davis Comment
  SEINET947386  Acacia neriifolia Marian Mors 1959-1 s.n. Yolo University of California campus, Davis Comment
  POM136911  Acer macrophyllum C. F. Baker 1903-5-8 2981 Yolo Cache Creek Canyon Comment
  UCD117012  Acer macrophyllum K. Esau 1936-3-27 s.n. Yolo Putah Canyon. Comment
  UCD117030  Acer macrophyllum B. J. McCaskill 1954-3-12 220 Yolo Highway 16, 1.7 miles northwest of Rumsey. 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
  SBBG4089  Acer negundo G. V. Morejohn 1954-4-23 14 Yolo 4.5 mi W of Davis Comment
  SEINET3195241 Image available Acer negundo var. californicum David Lawfer 1952-3-19 127 Yolo Bank of Putah Creek, 4 miles west of Davis Comment
  UCD22770  Acer paxii A. T. Leiser Date Unknown s.n. Yolo Map 81, Environmental Horticulture building at UC Davis. Comment
  SEINET6700517 Image available Achillea millefolium G. Cook 1959-3-28 3 Yolo Collected 4 miles from Winters, along highway 128 351 Comment
  UCD128291  Achillea millefolium J. Buck 1996-5-9 5 Yolo City of Davis, off of Covell Boulevard. 15 Comment
  RSA416218  Achillea millefolium var. californica Glenn A. Gorelick 1965-8-2 s.n. Yolo In field approx. 5 miles east of Woodland Comment
  SEINET5712610  Achillea millefolium var. californica Russel Hopper 1975-1 22 Yolo 3.5 miles west of Winters on State Hwy 128.; Winters 56 Comment
  RSA0028971  Achnatherum coronatum Lois Weston 1942-4-20 1131 Yolo Davis. Comment
  UCD124983  Achyrachaena mollis M. Wiesendanger 1927-4-29 604 Yolo Davis. Comment
  UCD144272  Achyrachaena mollis Carol W. Witham 2003-4-9 918 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD81443  Achyrachaena mollis M. Wiesendanger 1927-4-29 604 Yolo Davis. 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
  UCD104096  Acmispon brachycarpus M. Wiesendanger 1927-5-4 638 Yolo Putah Canyon. Comment
  UCD47972  Acmispon brachycarpus M. Furuyama; M. Atamian, R. Brush, S. Olmsted, C. Owens 2000-4-29 4 Yolo Yolo Co, 1 mile north of Knoxville as the crow flies, 300 m east of an old dirt road that intersects the Yolo/Napa Co line. 640 Comment
  UCD168486  Acmispon glaber Ellen Dean 2017-3-15 9275 Yolo Audubon Bobcat Ranch, lands north of Hwy 128, just east of Monticello Dam. Bray Canyon and vicinity on the western side of ranch. Ranch burned once each year in 2014, 2015, 2016. 2017 has been a high rainfall year. East-facing slopes on west side of Bray Canyon. 209 Comment
  UCD20871  Acmispon glaber N. Nicola 2001-5-8 088 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  UCD104110  Acmispon glaber Beecher Crampton 1959-5-26 5256 Yolo Above Putah Creek, Vaca Mtns. Ca. 8 miles west of Winters. Comment
  UCD104522  Acmispon wrangelianus Ogden C. Riddle 1942-3-30 52 Yolo Putah Creek, 4 miles west of Recreation Beach. (Note: 4 mi west is near Wragg Canyon in what used to be Putah Canyon in Napa County. Collector may have meant 4 mi east, which is also in Putah Canyon but in Yolo County. Record is georeferenced in Napa County). 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
  UCD104537  Acmispon wrangelianus J. D. Skoss 1948-6-5 11 Yolo 2 miles northeast of Davis, along Southern Pacific Railroad tracks. Comment
  CDA15225  Acroptilon repens G. F. Hrusa, T. D. Wilfred 1998-10-7 14840 A Yolo Central Valley; Along Tule Canal extending S from Rd. 124, approx. 1/4 km from gate. Comment
  CDA6757  Acroptilon repens T. C. Fuller 1959-9-17 3929 Yolo North side of freeway, 1 mile west of Harbor Boulevard, West Sacramento. 0 Comment
  UCD128502  Acroptilon repens Charles B. Heiser 1947-6-10 1934 Yolo near midget auto tracks, West Sacramento. Comment
  OBI68587  Acroptilon repens J. Young 2001-6-1 PDR 050662 Yolo Along roadside near the jctn of E Main St and Hwy 128, Winters. T08N, R01W, sect 22 BM:M Comment
  CAS-BOT-BC133141  Adenostoma fasciculatum Roxana Stinchfield 1916-6-26 354 Yolo Foothills west of Dunnigan near Buckeye Cr. Comment
  UCD15641  Adenostoma fasciculatum Rachelle Raymond 1989-6-2 702 Yolo Outside Stebbins Reserve. 121 Comment
  UCD68001  Adenostoma fasciculatum S. M. Smukler 1995-5-19 5 Yolo Quail Ridge Preserve, 1 mile from the University Cabin, next to the trail. 450 Comment
  UCSB63811  Adiantum cuneatum Gankin, Roman 1962-4-11 Yolo In Botany Dept greenhouse, UC Davis 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
  UCD37321  Aegilops triuncialis Beecher Crampton 1959-5-26 5255 Yolo Yolo County, 2.5 miles west of city of Winters, State Highway 128. Comment
  UCD51576  Aegilops triuncialis Beecher Crampton 1959-5-26 5255 Yolo along State Hwy. 128, 2.5 miles west of Winters. Comment
  UCD59306  Aegilops triuncialis Ellen Dean; Kate Mawdsley 2007-5-11 3730 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
  UCD81600  Aegilops triuncialis Collector Unknown 1955-7-11 s.n. Yolo Western Yolo Range. Comment
  UCR152065  Aegilops triuncialis Beecher Crampton 1961-4-28 5859 Yolo 2 mi west of city of Winters, along Road 87 Comment
  SEINET1908055  Aesculus californica Gary Bolton 1975-1 32 Yolo Interior coast range, 2.3 miles east of Napa County line on State Highway 128 Comment
  UCD136654  Aesculus californica Clinton C. Shock 1980-5-3 78 Yolo State Highway 16, 4.7 miles south of Yolo county line. Along Cache Creek. 152 Comment
  UCD23469  Aesculus californica Jean V. Shepard 2003-9-9 617 Yolo UC Davis campus, north of Hutchison Hall by loading dock. Comment
  UCD81041  Aesculus californica Agnieszka Zalicka; with PLB 102 class 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. On the edge of Bray Creek, near the mouth of Bray Canyon. East side of creek. 71 Comment
  UCD136657  Aesculus californica Carole Eastman 1976-4-1 s.n. Yolo at Arboretum on left side of Putah Creek to left area of bridge. Comment
  UCD58031  Agoseris heterophylla Ellen Dean; K. Mawdsley 2007-4-6 3570 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
  SEINET3915914  Agropyron libanoticum M. Nazir Sankary 1971-5-15 s.n. Yolo Raised from seed in field near Botany Department greenhouses, University of California campus, Davis, CA.; 0 Comment
  SACT000054  Agropyron repens 1925-5-25 Yolo Comment
  SEINET3915945  Agropyron repens Beecher Crampton 1955-6-6 2818 Yolo City of Davis.; 0 Comment
  UCD41037  Agrostis avenacea Carol W. Witham 2003-4-26 969 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  CDA1704  Agrostis capillaris N. van Kleeck 1974-11-4 Yolo 1407 Whittier Drive, Davis. 0 Comment
  CDA1705  Agrostis capillaris N. van Kleeck 1971-8-3 Yolo 1400 Whittier Drive, Davis. 0 Comment
  SEINET9356837  Agrostis castellana Unknown 1961-6-9 T.O. s. n. Yolo Yolo Comment
  UCD53492  Agrostis stolonifera Leonard 1919-6-14 X 3064 Yolo Davis. Comment
Read comments
Jul 22 2006
  UCR197986  Agrostis stolonifera Beecher Crampton 1953-8-27 1614 Yolo city of Davis, Davis High School 15 Comment
  UCD59340  Aira caryophyllea Ellen Dean; Kate Mawdsley 2007-5-11 3764 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Central part of ranch. 546 Comment
  UCD166124  Alisma lanceolatum Luis Espino 2016-10-11 s.n. Yolo southeast of the city of Davis. Just southeast of intersection of county roads 106 and 35. 5 Comment
  UC735742  Alisma plantago-aquatica Charles B. Heiser Jr. 1947-7-22 1965 Yolo n of Davis Comment
  UCD34136  Allium neapolitanum Beecher Crampton 1977-4-1 9460 Yolo Davis. Comment
  UC630440  Allium serra Annetta Carter 1938-5-7 1361 Yolo 3.6 mi n Rumsey; Inner North Coast Range, Cache Creek canyon 152 Comment
  UCD48259  Allium serra Ryan Knox; E. McDermott, G. Walden 2002-4-13 13 Yolo Yolo Co., McLaughlin UC Reserve, W side of Davis Creek Reservoir, along road that goes from Soda Spring area to Rayhouse Rd. ).5 airline mile due N of Soda Springs and 1.0 airline mile WNW of UC Davis Aquatic Lab facility. 465 Comment
  UCD81045  Allium serra Agnieszka Zalicka; with PLB 102 class 2009-4-26 4 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Lower reaches of Bray Canyon on west side of creek. 103 Comment
  UCD82081  Allium serra Robin McMaster 1973-4-15 308 Yolo 3 mi NW from Rumsey. Comment
  SEINET9366157  Alopecurus Unknown 1962-4-10 T.O. 2524 Yolo Yolo Comment
  RSA197606  Alopecurus saccatus Le Roy Abrams 1928-5-8 12606 Yolo Between Woodland and Davis. Comment
  UCD21429  Alopecurus saccatus J. Shepard 2002-4-18 525 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road to north - south access road. South to dip in road at vernal pool area. 12 Comment
  UCD40995  Alopecurus saccatus Carol W. Witham 2003-4-11 925 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD55962  Alopecurus saccatus A. A. Beetle 1946-7-13 4693 Yolo Putah Canyon. Comment
  UCD55977  Alopecurus saccatus Fleur Ng'weno 1989-5-5 DQ 31 Yolo D-Q University County Road 31, 9 miles west of Davis city center. 30 Comment
  UCD84321  Alopecurus saccatus Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCD114090  Alyssum simplex Arthur M. Shapiro 1986-3-31 s.n. Yolo Broderick, near Marina Inn parking lot, ca. 500 feet from west bank of Sacramento River and ca. 350 feet north of West Capitol Avenue. Comment
  UCD23338  Amaranthus A. M. Shapiro 2003-1-5 s.n. Yolo West Sacramento. Weed in safflower. Plants 1-1.7 meters tall. Comment
  UCD36490  Amaranthus Beecher Crampton 1953-10-15 1688 Yolo Yolo County, city of Davis, University of California Sprinkler Plots. Comment
  UC735710  Amaranthus albus Charles B. Heiser Jr. 1947-5-30 1921 Yolo Davis Comment
  UCD39253  Amaranthus californicus B. Crampton 1952-11-11 907 Yolo About 1.5 miles east of Woodland. Comment
  UCD97216  Amaranthus caudatus R. N. Raynor 1941-10-3 s.n. Yolo Near Davis. Comment
  UCD39250  Amaranthus deflexus B. Crampton 1952-10-11 855 Yolo Davis. Waste lot in adobe soil. Comment
  UCD36489  Amaranthus palmeri Beecher Crampton 1953-10-15 1689 Yolo Yolo County, city of Davis, University of California Sprinkler Plots. Comment
  UCD13412  Amaranthus powellii K. Meares 1996-9-24 017 Yolo City of Davis, northern part. On greenbelt between Jalisco and Grande. 15 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
  UCD149324  Amaranthus retroflexus Collector Unknown 1925-5-30 s.n. Yolo City of Davis. 15 Comment
  UCD97752  Amaranthus retroflexus A. S. Crafts 1926-7-8 479 Yolo University Farm Campus, Davis. Comment
  UCR197933  Amaranthus retroflexus Beecher Crampton 1952-10-11 853 Yolo Sacramento Valley, 1 mi north of Davis, waste lot 12 Comment
  UCD36086  Amaranthus retroflexus Beecher Crampton 1952-10-11 853 Yolo Yolo County, city of Davis, waste lot. Comment
  UCD97756  Amaranthus retroflexus D. Hartmann 1941-7-24 s.n. Yolo In vacant lot, Davis. 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
  CAS-BOT-BC64718  Ambrosia psilostachya A. J. Babbinger 1920-10-24 s.n. Yolo Upper Capay Valley Comment
  UCD128766  Ambrosia psilostachya Beecher Crampton 1952-10-11 856 Yolo 1 mile north of city of Davis. Comment
  UCD149340  Ambrosia psilostachya Carl Schoner 1955-9-1 s.n. Yolo City of Woodland. 25 Comment
  UCD81557  Ambrosia psilostachya W. W. Robbins; W. D. Norton 1927-10-1 s.n. Yolo West of Davis. Comment
  RSA312868  Ammannia auriculata Malcolm A. Nobs, S. Galen Smith 1949-7-18 1004 Yolo Winters, Sacramento Valley Comment
  UCD81538  Ammannia robusta W. W. Robbins; W. D. Norton 1927-10-1 823 Yolo West of Davis. Comment
  UCD127165  Ammi visnaga G. F. Hrusa; T. D. Wilfred 1996-12-19 13592 Yolo on orachard side of levee along Tule Canal approx. 1/2 mile east of Interstate 5 and 1/4 mile north of Sacramento River on south side of Yolo Bypass. 15 Comment
  UCD20898  Ammi visnaga N. Nicola 2001-5-16 126 Yolo Southern Sacramento Valley, near town of Knights Landing Comment
  UCD37759  Ammi visnaga Beecher Crampton 1961-10-25 6042 Yolo 4 miles NW of Bryte, Yolo Bypass, S of Todhunter's Lake. Comment
  CDA5348  Ammi visnaga C. Justus 1961-7-1 Yolo State Highway #16, River Road between Woodland and Sacramento. 0 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
  CAS-BOT-BC213989  Amsinckia Peter H. Raven 1955-4-16 8274 Yolo Fields about Davis Comment
  CDA36937  Amsinckia intermedia CDFA Staff 1998-4-22 s.n. Yolo Rominger Prop., north of County Road 19, east of County Road 92C, west of County Road 94B. 0 Comment
  CDA37072  Amsinckia intermedia CDFA Staff s.n. Yolo Rominger Prop., north of County Road 19, east of County Road 92C, west of County Road 94B. 0 Comment
  UC1178292  Amsinckia intermedia Ray and Chisaki 1952-4-13 K 105 Yolo Guinda Comment
  UCD160472  Amsinckia intermedia Ellen Dean; Craig Thomsen 2015-3-21 8590 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. 146 Comment
  UCD80940  Amsinckia intermedia Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5343 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Old rodeo area. Buildings gone now. 9 Comment
  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
  HSC31625  Amsinckia intermedia Glenn McGourty 1974-4-20 10 Yolo On corner of Route 99W and Rd. 56 Comment
  UCD119685  Amsinckia intermedia June McCaskill; Katherine Onaga 1962-4-16 649 Yolo On west side of H Street, 0.3 mile north of intersection of H and 11th streets, Davis. Comment
  UCD119686  Amsinckia intermedia June McCaskill; Katherine Onaga 1963-5-2 664 Yolo Southwest of Gilmore Hall, University of California campus, Davis. Comment
  UCD119688  Amsinckia intermedia Fleur Ng'weno 1989-4-19 DQ 8 Yolo D-Q University County Road 31, 9 mi. west of Davis city center. 30 Comment
  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
  UCD21201  Amsinckia lycopsoides J. Shepard 2000-2-28 56 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. Northeast of parking lot, east of archery range at edge of open field. 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
  UC725952  Amsinckia lycopsoides A. A. Heller 1941-3-26 15912 Yolo road w of Hwy 99 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
  UCD119757  Amsinckia menziesii Peter M. Ray 1950-4-15 1707 Yolo North side of canyon of Cache Creek; on California Highway 16, 6 miles north of Rumsey. Comment
  UCD147030  Anagallis arvensis Robert E. Preston 2012-5-16 2874 c Yolo 6.6 mi SW of Dunnigan, in Wood Canyon. 175 Comment
  SEINET5733528 Image available Anagallis arvensis R. C. Herner 1965-1 5 Yolo Near Orchard Park Apartments, Univ. of CA.; Davis 15 Comment
  UCD117435  Anagallis arvensis Edwin A. Crosby 1952-4-23 21 Yolo beside old picnic ground, UC Davis campus. Comment
  UC405429  Ancistrocarphus filagineus Blankinship 1893-4-15 Yolo Capay Comment
  POM57371  Ancistrocarphus filagineus C. F. Baker 1903-5-8 2888 Yolo Cache Creek cannon [Canyon] Comment
  UCD56061  Andropogon glomeratus var. pumilus Beecher Crampton 1962-10-30 6710 Yolo ca. 8.5 miles west of Winters, Putah Creek Canyon. Comment
  SEINET10868929  Andropogon glomeratus var. pumilus Alan A. Beetle 1946-7-13 Beetle 4691 Yolo 1 mile below Cannon Ball Point, spring seepage assoc. Cynodon dactylon & Gaspalum distichum. Comment
  POM303756  Andropogon virginicus A. A. Beetle 1946-7-13 4691 Yolo 1 mile below cannon ball point, spring seepage. Comment
  CAS-BOT-BC391770  Anemone deltoidea Mrs. H. C. Cantelow 1932-8-17 369 Yolo Unspecified Comment
  SEINET5717761 Image available Anemopsis californica Shirley C. Tucker 1988-1 28886 Yolo Cultivated in courtyard of Robbins Hall (Botany Dept.) University of California, Davis.; Univ. of California, Davis Comment
  UCD161030  Angelica californica Craig Thomsen 2006-5-31 s.n. Yolo Along Ridgeline Trail (accessed at turn-out across the road from Camp Haswell), approximately 0.5 mile south of Hwy 16. 457 Comment
  SD257169  Anthemis cotula George K. Helmkamp, Mary Alice Barnes 2013-5-8 20525 Yolo Southern Sacramento Valley: Yolo Bypass Wildlife Area, p.9 mile southeast of the junction of Chiles Road and I-80, between Sacramento and Davis. (Davis 7.5'Q) 13 Comment
  UCD21410  Anthemis cotula J. Shepard 2001-5-13 460 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east 0.5 miles along unpaved entrance road and north 20 yards. 12 Comment
  UCD39103  Anthemis cotula Beecher Crampton 1964-5-11 6949 Yolo Saxon Station. Comment
  UCR206349  Anthemis cotula George K. Helmkamp, E. A. Helmkamp 2009-5-20 14724 Yolo Western Sacramento Valley, Capay Valley; along CA-16, 1.5 miles west of Capay 70 Comment
  RSA261396  Anthriscus caucalis R. T. Wurster 1960-4-3 s.n. Yolo State Highway 16, in town of Capay 37 Comment
  UCD41138  Antirrhinum vexillocalyculatum C. Holn 2002-7-2 238 Yolo Eastern foothills of inner north coast range, Capay Valley. Just north of Rumsey, off Rd. 41. Comment
  UCD168427  Aphanes macrosepala Ellen Dean 2017-3-15 9251 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. 57 Comment
  UCD121520  Apocynum cannabinum P. B. Kennedy 1920-6-23 s.n. Yolo Clarksburg-Sacramento River. Holland Land Co. Comment
  UCD39746  Arachis hypogaea Beecher Crampton 1954-8-2 s.n. Yolo P.F. Knowles Oil Exper. Plot, UC Agronomy, Davis. Comment
  UCD39937  Arachis hypogaea Beecher Crampton 1954-9-21 s.n. Yolo UC Davis Campus, Agronomy Experimental Area, P.F. Knowles experimental plots. Comment
  UCD59353  Arceuthobium campylopodum Ellen Dean; Kate Mawdsley 2007-5-11 3777 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
  SBBG50839  Arctostaphylos manzanita M. A. Brayton 1964-3-13 8 Yolo Cache Crk Cyn on Hwy 16, 2.5 mi NW of Rumsey 152 Comment
  UCD168421  Arctostaphylos manzanita subsp. laevigata Ellen Dean; M. Hoshovsky 2017-4-18 9332 Yolo Audubon Bobcat Ranch. Lands to the north of Hwy 128. Eastern part of ranch northwest of ranch headquarters; ridge northeast of Rattlesnake Rock. Area has burned three times in the past three years. 252 Comment
  CAS-BOT-BC38892  Arctostaphylos manzanita subsp. manzanita R. B. Griffith 1949-3-14 2 Yolo North bank of Putah Creek, 8.6 miles west of Winters Comment
  UCD53006  Arctostaphylos pajaroensis Roman Gankin 1967-1-16 s.n. Yolo Davis. Comment
  CAS-BOT-BC146316  Aristida ternipes var. gentilis Beecher Crampton 1962-9-11 6667 Yolo 2.5 miles west of Winters. Comment
  UCD169002  Aristida ternipes var. gentilis Ellen Dean; Dash Weidhofer and Audubon trip participants 2017-4-1 9303 Yolo Audubon Bobcat Ranch. Lands north of Hwy 128 and Putah Creek west of town of Winters. Area burned three times in the past three years. Central part of ranch. Ridge extending south from undeveloped road west of headquarters. 157 Comment
  UCD33377  Aristida ternipes var. gentilis Beecher Crampton 1967-6-20 8130 Yolo Yolo County, ca. 5 miles west of Winters on Hwy. 128. Comment
  UCD56567  Aristida ternipes var. gentilis L. F. Lane 1950-5-22 s.n. Yolo west of Winters. Comment
  UCD56863  Aristida ternipes var. gentilis Jack Major 1961-6-13 542 Yolo along Putah Creek, 1.2 miles west of junction of State Highway 128 and Pleasants Valley Road. Comment
  UC1543118  Aristolochia californica Charlotte G. Nast 1936-3-27 25 Yolo Putah Canyon east Comment
  UCD137810  Aristolochia californica H. A. Borthwick 1931-4-2 2175 Yolo Putah Canyon. Comment
  UCD137824  Aristolochia californica G. L. Webster 1967-3-23 7500 Yolo Along Putah Creek c. 1 mile east of bridge below Monticello Dam. 60 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
  UCD60450  Artemisia biennis A. M. Shapiro 2007-9-28 s.n. Yolo Yolo Bypass, West Sacramento. Comment
  UCR198145  Artemisia biennis Arthur M. Shapiro 2007-9-28 s.n. Yolo Sacramento Valley, Yolo Bypass, west Sacramento Comment
  UCD37761  Artemisia douglasiana Beecher Crampton 1961-10-25 6044 A Yolo 4 miles NW of Bryte, Yolo Bypass, S of Todhunter's Lake. Comment
  CDA11163  Artemisia vulgaris G. F. Hrusa 1993-11-1 11575 Yolo Central Valley; Originally dug alongside railroad at Tisdale Dr. S. Sacramento. Current site of Meadowview Light Rail Station. Comment
  UCD16086  Arthrocnemum subterminale A. M. Shapiro 1999-10-8 s. n. Yolo California. Yolo County: about 1/3 mile east of Rd. 102, along north levee of Willow Slough Bypass. 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
  UCD56049  Arundo donax var. versicolor Beecher Crampton 1962-11-3 s.n. 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
  UCD81554  Asclepias fascicularis W. W. Robbins; W. D. Norton 1927-10-1 s.n. Yolo West of Davis. Comment
  CDA39848  Asclepias fascicularis T. C. Fuller 1957-10-7 s.n. Yolo Davis, 1 mile east of town. 0 Comment
  RSA401266  Asclepias fascicularis Glenn A. Gorelick 1965-8-26 s.n. Yolo By railroad tracks just before Low Water bridge, Davis Comment
  UCD22747  Asclepias fascicularis Samantha Corte 1988-6-7 13 Yolo 1/4 mi. east on Sikes, on Tremont. 13 Comment
  UC1245154  Asclepias linaria June McCaskill and Katherine Onaga 1962-11-6 661 Yolo just e Solano Park bridge (University of California campus, Davis, Arboretum); University of California campus, Davis, e of Solano Park bri 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
  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
  HSC36205  Asclepias speciosa John Rehling 1975-7-21 100 Yolo Near the S Pacific tracks just W of Davis. Comment
  RSA401107  Asclepias speciosa Glenn A. Gorelick 1965-8-26 s.n. Yolo Davis Comment
  UCD121368  Asclepias speciosa Mark F. Bean 1976-8-10 s.n. Yolo Next to community gardens opposite PG and E, 5th Street, Davis. Comment
  UCD121372  Asclepias speciosa C. B. Heiser Jr. 1946-8-19 1838 Yolo Along Southern Pacific Railroad, near Davis. Comment
  UCD121373  Asclepias speciosa C. B. Heiser Jr. 1946-9-18 1862 Yolo Along Southern Pacific Railroad, near Davis. Comment
  UCD138673  Asparagus officinalis subsp. officinalis Clarence R. Quick 1968-8-25 68 .04 Yolo Merritt Island. Near junction of country roads #140 and 142. 3.5 miles S of Clarksburg. Comment
  CHSC100545  Astragalus didymocarpus Beecher Crampton 1963-5-24 6810 Yolo Yolo County: Davis, field just northeast of West Davis School. Comment
  CAS-BOT-BC177881  Astragalus didymocarpus var. didymocarpus Beecher Crampton 1963-5-24 6810 Yolo Davis, field northeast of West Davis 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
  CAS-BOT-BC173211  Astragalus tener Beecher Crampton 1998-4-21 10346 Yolo Ca. 3.5 miles S.E. of Woodland along county road 102, east of Mavis - Hanson field Comment
  UCD105342  Astragalus tener var. ferrisiae Elwood Peters 1954-4-27 s.n. Yolo Causeway. Comment
  UCD84343  Astragalus tener var. ferrisiae Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCD105436  Astragalus tener var. tener K. Esau 1935-5-1 s.n. Yolo Near Davis. Comment
  UCD105438  Astragalus tener var. tener D. H. Hartmann 1942-4-12 s.n. Yolo Along the railroad track north of Davis. Comment
  UCD105441  Astragalus tener var. tener C. O. Jacobs 1916-4-1 s.n. Yolo Around Davis. Comment
  UCD33930  Astragalus tener var. tener Beecher Crampton 1975-4-18 9159 Yolo Yolo County, 3 miles S.E. of Woodland. Comment
  UCD35010  Astragalus tener var. tener Beecher Crampton 1998-4-21 10346 Yolo Yolo County, ca. 3.5 miles S.E. of Woodland along county road 102, east of Mavis - Hanson field. Comment
  UCD38297  Astragalus tener var. tener Beecher Crampton 1954-4-8 1758 Yolo 2 miles NE of Davis. 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
  UCD60340  Astragalus tener var. tener Carol W. Witham 2003-4-9 917 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD72412  Astragalus tener var. tener Ellen Dean; Kate Mawdsley 2008-4-16 4817 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
  CAS-BOT-BC17437  Athysanus pusillus Alice Eastwood 1927-3-28 14208 Yolo Winters. 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
  UCD56699  Athysanus pusillus Ellen Dean; M. Bibbo 2007-3-23 3392 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
  UCD37731  Atriplex Beecher Crampton 1961-9-19 5980 Yolo Yolo County, 0.5 mile north of city limits of Davis, along Anderson Road. Comment
  UCD97232  Atriplex argentea var. expansa Rimo Bacigalupi; L. R. Heckard, C. L. Custer 1965-10-4 9121 Yolo along Kentucky Ave. (Road 20), 0.25 mile north of Sewage Disposal Plant. 1 and 1/8 miles east northeast of Woodland. 10 Comment
  UCD97262  Atriplex argentea var. expansa Collector unknown 1929-10-1 2049 Yolo near Davis. Comment
  JEPS41114  Atriplex argentea var. mohavensis Rimo Bacigalupi, L. R. Heckard, and C. L. Custer 1965-10-4 9118 Yolo 1.8 mi ene Woodland ((measured from U.S. 99W), adjacent to air-strip (landing field) and sewage disposal (treatment) plant); ene of Woodland 10 Comment
  UCR118987  Atriplex depressa Beecher Crampton 1978-9-13 9662 Yolo Sacramento Valley, about 3 miles east of Woodland along Hwy. 16, 1 mile east of its junction with county road 102 9 Comment
  UCD44953  Atriplex hortensis Jean V. Shepard 2004-7-25 776 Yolo City of Davis, yard 1800 block Myrtle Place. Comment
  JEPS41117  Atriplex joaquinana Rimo Bacigalupi, L. R. Heckard, and C. L. Custer 1965-10-4 9117 Yolo in fallow fields adjacent to air-strip (landing field) and sewage disposal (treatment) plant 1.8 mi ene Woodland ((measured from U.S. 99W)); ene of Woodland 10 Comment
  RSA612728  Atriplex joaquinana H. C. Stutz 1991-5-30 95515 Yolo Woodland Comment
  SEINET4135115  Atriplex joaquinana Erica Smith 2008-4-18 12 Yolo City of Woodland Alkali Grassland Preserve managed by Center for Natural Land Management at the intersection of County Roads 103 and 25. South side of County Road 25.; 0 5 Comment
  SEINET4135118  Atriplex joaquinana Erica Smith 2007-7-12 9 Yolo City of Woodland Alkali Grassland Preserve managed by Center for Natural Land Management at the intersection of County Roads 103 and 25. South side of County Road 25 throughout alkali grassland.; 0 5 Comment
  SEINET4135121  Atriplex joaquinana Erica Smith 2007-7-12 11 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
  UCD21413  Atriplex joaquinana J. Shepard 2001-6-16 466 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east 0.5 miles along unpaved entrance road. Then, south 400 yards and about 10 yards west of Department of Defense fence, between 2 large vernal pools. 12 Comment
  UCD62891  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 4 Comment
  UCD62894  Atriplex joaquinana Erica Smith 2007-7-12 9 Yolo City of Woodland Alkali Grassland Preserve managed by Center for Natural Land Management at the intersection of County Roads 103 and 25. South side of County Road 25 4 Comment
  UCD62895  Atriplex joaquinana Erica Smith 2007-7-12 10 Yolo City of Woodland Alkali Grassland Preserve managed by Center for Natural Land Management at the intersection of County Roads 103 and 25. South side of County Road 25 4 Comment
  UCD63224  Atriplex joaquinana Ellen Dean; K. Mawdsley 2008-4-16 4802 Yolo southeast side of Woodland, Woodland Regional Park, just south of the intersection of County Roads 102 and 25, east side of road 102. Parking area between rodeo corrals and area just south of reservoir. 0 Comment
  UCD80925  Atriplex joaquinana Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5328 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
  UCD81018  Atriplex joaquinana Ellen Dean; D. Bales, M. Krug, L. Snyder, D. Dhakal, A. Franco 2009-4-1 5359 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
  UCD81054  Atriplex joaquinana Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5590 Yolo city of Woodland. Woodland Regional Park. East side of County Road 102, just south of County Road 25. Old rodeo area with bare areas where buildings used to be. 9 Comment
  UCD97457  Atriplex joaquinana Rimo Bacigalupi; L. R. Heckard, C. L. Custer 1965-10-4 9117 Yolo 1.8 miles east northeast of Woodland (measured from US 99W.) 10 Comment
  UCD97492  Atriplex joaquinana M. Wiesendanger 1927-4-29 601 Yolo Davis. Comment
  UCR212310  Atriplex joaquinana Erica Smith 2007-7-12 11 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
  UCR228275  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 0 Comment
  SEINET271593  Atriplex joaquinana H. C. Stutz 1993-5-1 95781 Yolo unspecified Comment
  SD247395  Atriplex micrantha George K. Helmkamp, E. A. Helmkamp 2011-12-7 18500 Yolo Southern Sacramento Valley: midway between Davis and Sacramento along Highway 80, between Chiles Road (County Road 32B) and Levee Road, west edge of Yolo Bypass Wildlife Area. 10 Comment
  UCD97635  Atriplex prostrata Daryl Koutnik; John Sowell 1978-10-27 572 Yolo Putah Creek, east of County Road 106 and west of Yolo Causeway. 6 Comment
  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
  SBBG115957  Atriplex rosea B. Crampton 1985-9-5 10018 Yolo ca. 3.5 mi SE of Woodland, on Rd 25 Comment
  UC194954  Atriplex rosea H. M. Hall 1916-8-10 10263 Yolo Woodland Comment
  UCD81883  Atriplex rosea Ellen Dean; K. Anderson and ethnobotany foraging group 2009-7-13 5782 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
  UCD97667  Atriplex rosea P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co., Clarksburg, Sacramento River. Comment
  UCD97710  Atriplex semibaccata P. B. Kennedy 1914-7-1 s.n. Yolo University Farm, Davis. Comment
  UCD97794  Atriplex serenana K. Esau 1931-8-28 2257 Yolo Davis. Comment
  UCD56157  Avena barbata Beecher Crampton 1956-3-29 3236 Yolo 3 miles northeast of Davis. Along County Road 29. Comment
  UCD73578  Avena barbata Ellen Dean; Elizabeth Goebel 2008-4-7 4722 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
  UCD147280  Avena fatua Carol W. Witham 2003-4-11 950 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  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
  UCD34127  Avena fatua Beecher Crampton 1976-12-30 9448 Yolo Yolo County, Davis, Mace blvd. offramp from Hwy. 80. Comment
  UCD56363  Avena fatua A. A. Beetle 1944-5-17 1990 Yolo 3 miles W of Sacramento. Comment
  UCD56497  Avena sterilis Madson 1919-3-6 s.n. Yolo Davis. Comment
  UCR118968  Baccharis salicifolia Beecher Crampton 1975-8-22 9245 Yolo Sacramento Valley, County Road 104, 1.5 miles north of County Road 28. 15 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
  UC1259002  Bacopa eisenii J. L. Strother 1976-6-24 1243 Yolo ca 6 mi w Knights Landing (nnw of Woodland, near intersection of Road 12 and Road 97) Comment
  CAS-BOT-BC16370  Barbarea orthoceras John F. Emmel 1971-4-4 337 Yolo Thompson Canyon, north-northeast of Monticello Dam. 243 Comment
  UCD56452  Bellis perennis J. Shepard 2007-3-4 806 Yolo City of Davis, Slide Hill Park, south side of Temple Drive at Myrtle Place. 15 Comment
  SEINET7239928 Image available Bellis perennis Schank 1959-3-29 s.n. Yolo Davis 9 Comment
  SEINET10732931  Beta vulgaris Stephanie Frischie 2000-10-7 Frischie 104 Yolo Davis Farmers' Market, Davis, CA. Comment
  UCD129590  Blennosperma nanum S. E. Keeton; E. H. Hyde 1938-4-4 s.n. Yolo roadside northeast of Davis. Comment
  SEINET10764140  Boehmeria cylindrica George F. Hrusa, C. Dogwin; E. Dogwin 2007-10-18 Hrusa 17081 Yolo Boat launch area on W side of Sacramento River approx. 1 mi. N of Hood. 3 Comment
  UCD53887  Boerhavia diffusa A. M. Shapiro 2005-8-26 s.n. Yolo West Sacramento, off West Capitol Avenue, 1/2 mi. E of E levee of Yolo Bypass. Comment
  SEINET240472  Boissiera squarrosa Beecher Crampton 1964-5-4 T.O. 3505 Yolo UC Davis agronomy experimental area, plant introduction nursery, row J-53 Comment
  CHSC79376  Bolboschoenus glaucus Beecher Crampton 1952-10-31 902 Yolo Edge of a Typha stand. Comment
  UCD150644  Bolboschoenus robustus Laird Miers 1972-6-5 s.n. Yolo Putah Creek approx. 7 mi. W of Davis. Comment
  UCD56829  Bothriochloa laguroides subsp. torreyana Beecher Crampton 1973-8-6 s.n. Yolo UC Davis campus. Agronomy Experimental Area. Plant Introduction Nursery. Comment
  UCD56856  Bouteloua curtipendula Beecher Crampton 1961-10-25 6039 Yolo 2.5 miles south of Woodland. Along County Road 98. Comment
  UCD56998  Brachypodium distachyon Beecher Crampton 1959-5-11 5205 Yolo Ca. 7 miles west of Winters. Vaca Mts. Putah Creek Canyon. Cannonball Recreation area. Comment
  UCD56895  Brachypodium rupestre L. Y. Leonard 1919-6-13 X 3049 Yolo Davis. Comment
  UCR219530  Brassica geniculata Jean V. Shepard 2009-8-23 829 Yolo Sacramento Valley, city of Davis, east side. Wildhorse greenbelt east of Wildhorse golf course, south side of bridge over slough 13 Comment
  UCD114607  Brassica juncea R. Raynor 1937-4-27 s.n. Yolo Davis. Comment
  UCD114615  Brassica juncea R. Raynor 1937-4-27 s.n. Yolo Davis. Comment
  UCD114752  Brassica nigra K. Twitchell 1996-4-21 13 Yolo Road 96, near Russel Blvd, Davis. 22 Comment
  UCD13306  Brassica nigra Bill Chally 1989-6-2 23 Yolo Yolo CO. T8N, R2W, sec 29, SE 1/4. Stebbins Reserve. Elevation 440 feet. 134 Comment
  RSA482911  Brassica nigra Glenn A. Gorelick 1966-3-6 s.n. Yolo 3 miles W of Davis, Hwy 128 (Russell Blvd.) Comment
  UCD41120  Brassica oleracea S. Greenleaf 2002-4-2 155 Yolo Eastern foothills of inner north coast range, Capay Valley. About 0.4 miles as the crow flies west of Guinda. Comment
  HSC6590  Brassica rapa M. Dole 1963-4-10 28 Yolo 0.5 mi. S of Hwy. 40 on Rd. 104 Comment
  UCD57275  Briza maxima P. B. Kennedy 1915-1 s.n. Yolo Davis. Grass Garden (Thorburn). Comment
  RSA638774  Briza minor Michael A. Vincent, Ethan H. Freid 1998-4-7 8157 Yolo Above State Rt. 128, 4 miles west of Winters. Comment
  UCD73716  Brodiaea elegans subsp. elegans Ayzik Solomeshch 2004-5-14 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  UCD33164  Bromus Beecher Crampton 1967-4-26 7842 Yolo Yolo County, Davis, B st. between 3rd. and 4th. streets. Comment
  UCD60273  Bromus Beecher Crampton 1964-4-28 s.n. Yolo UC-Davis Campus, Agronomy Experimental Area, Plant Introduction Nursery. Comment
  UCD57631  Bromus arenarius Beecher Crampton 1958-4-21 4708 Yolo Cache Creek, along State Hwy. 16. 2.4 miles northwest of Rumsey. Comment
  SBBG117244  Bromus arizonicus B. Crampton 1956-3-30 3238 Yolo Davis, Southern Pacific Railroad Stn Comment
  UCD57700  Bromus arizonicus Beecher Crampton 1956-3-19 3231 Yolo Davis. Davis Station. Southern Pacific RR Triangle. Comment
  UCR119175  Bromus arizonicus Beecher Crampton 1953-4-11 1073 Yolo Sacramento Valley, City of Davis. 15 Comment
  UCR152411  Bromus arizonicus Beecher Crampton 1956-4-19 3270 Yolo Sacramento Valley, city of Davis 16 Comment
  SEINET3921447  Bromus arizonicus Beecher Crampton 1956-3-30 3238 Yolo Citiy of davis, Southern Pacific Railroad Station.; 0 Comment
  UCD57808  Bromus berteroanus Beecher Crampton 1961-4-10 T. O. 2483 Yolo Davis Campus. Agronomy Experimental Areas. Comment
  SEINET254047 Image available Bromus carinatus var. carinatus John Anderson 2007-1 Yolo Winters, grown by John Anderson from seed collected at Colusa County at Highway 20 near Bear Creek. Comment
  UCD62680  Bromus caroli-henrici Joe DiTomaso 2003-4-23 s.n. Yolo west of Winters, off Road 87. Comment
  SACT000487  Bromus catharticus Brian Brown 1975-12-27 Yolo dry habitat Comment
  UCD36162  Bromus catharticus Beecher Crampton 1953-3-19 1012 Yolo Yolo County, city of Davis, at edge of field by overpass. Comment
  UCD37539  Bromus catharticus Beecher Crampton 1955-3-24 2341 Yolo Yolo County, city of Davis, University of California campus, Horticulture Lath House. Comment
  UCD58391  Bromus catharticus Beecher Crampton 1962-4-18 6230 Yolo Davis. Southern Pacific R. R. Station. Comment
  UCD58394  Bromus catharticus Beecher Crampton 1954-10-25 s.n. Yolo UC-Davis Campus. In horticulture lath houses. Comment
  UCD58395  Bromus catharticus Beecher Crampton 1969-7-29 8504 Yolo Davis. Russell Blvd. X College Park. Comment
  UCD58413  Bromus catharticus P. Stern 1988-5-19 11 Yolo Davis. Between the Domes and Russell Park complex just W of UCD campus. Comment
  UCD58479  Bromus commutatus Beecher Crampton 1958-6-3 4869 Yolo Davis. 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
  UCD33165  Bromus diandrus Beecher Crampton 1967-4-30 7843 Yolo Yolo County, Davis, around buildings. Comment
  UCD34858  Bromus diandrus Beecher Crampton 1964-4-7 6917 Yolo Yolo County, Davis, Southern Pacific Railroad. Comment
  UCD58515  Bromus diandrus M. Wiesendanger 1927-5-4 656 Yolo Putah Canyon. Comment
  UCD58558  Bromus diandrus Beecher Crampton 1956-4-19 3273 Yolo Davis. Southern Pacific Railroad. Comment
  UCD59466  Bromus diandrus A. A. Beetle 1942-6-1 3733 Yolo Davis. Comment
  UCD59499  Bromus diandrus B. A. Madson 1925-4-20 s.n. Yolo Davis, vacant lot. Comment
Read comments
Dec 18 2011
  CDA1812  Bromus diandrus M. K. Bellue, C. R. Ball 1933-5-1 Yolo 0 Comment
  UCD59453  Bromus diandrus A. A. Beetle 1941-4-22 1710 Yolo 4 miles west of Davis, via U. S. H. 40. Comment
  HSC9234  Bromus hordeaceus J. V. Lenz 1947-4-23 Yolo 3 mi. N of Davis Comment
  RSA696344  Bromus hordeaceus Lois Weston 1942-4-20 1123 Yolo 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
  UCD41017  Bromus hordeaceus Carol W. Witham 2003-4-11 948 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD58683  Bromus hordeaceus Beecher Crampton 1963-5-14 6804 Yolo 4 miles east of Woodland. County Road 25, City dump area. Comment
  UCD80906  Bromus hordeaceus Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5310 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
  UCR151584  Bromus hordeaceus Beecher Crampton 1960-4-26 5488 Yolo Sacramento Valley, city of Davis, along railroad 16 Comment
  UCD58846  Bromus inermis L. Y. Leonard 1919-6-13 X 3062 Yolo Davis. Comment
  UC1040708  Bromus laevipes Beecher Crampton 1956-5-31 3492 Yolo foothills 3.5 mi w of Winters (border of Yolo-Solano Counties) 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
  UCD59555  Bromus rubens E. G. Cakin 1947-4-29 s.n. Yolo Davis. Comment
  UCD59570  Bromus rubens M. Wiesendanger 1927-5-4 653 Yolo Putah Canyon. Comment
  SEINET249951 Image available Bromus sterilis Beecher Crampton 1956-3-19 3233 Yolo Davis. Comment
  UCD34859  Bromus sterilis Beecher Crampton 1964-4-7 6918 Yolo Yolo County, Davis, Southern Pacific Railroad. Comment
  UCD59694  Bromus sterilis Beecher Crampton 1956-4-2 3239 Yolo Weedy in Southern Pacific Triangle. Comment
  UCR119148  Bromus sterilis Beecher Crampton 1962-4-2 6111 Yolo Sacramento Valley, City of Davis, along Southern Pacific Railroad 15 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
  SEINET240474 Image available Bromus trinii Beecher Crampton 1962-4-13 T.O. 2483 Yolo UC Davis agronomy experimental area, plant introduction nursery. Comment
  RSA0054946  Calandrinia caulescens Keith E. Hoffmaster 1946-4-13 1217 Yolo Davis. Comment
  CAS-BOT-BC438635  Calandrinia ciliata Clarence R. Quick 1971-4-20 71 -33 Yolo Pylman-Quick garden, Merritt Island, near Clarksburg Comment
  JEPS52600  Calandrinia ciliata Louise Nash 1919-3-9 Yolo Davis Comment
  UCD20812  Calandrinia ciliata N. Nicola; C. Kremen 2002-3-16 027 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  UCD56770  Calandrinia ciliata Ellen Dean; M. Bibbo 2007-3-23 3462 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Western/Central portion of ranch near unimproved access loop road. 619 Comment
  UCD82188  Calandrinia ciliata J. Shepard 2004-3-7 631 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 50 yds. 12 Comment
  HSC83329  Calandrinia ciliata Patricia Kirchgatter 1975-4-12 1 Yolo Intersection of Rd. 113 and Russell Boulevard 14 Comment
  HSC93545  Calendula arvensis G. Fred Hrusa 1994-6-11 11887 Yolo south of Environmental Horticulture Dept. 50 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
  UCD160565  Callitriche marginata Ellen Dean; Craig Thomsen 2015-3-21 8614 Yolo Audubon Bobcat Ranch. Southwestern part of ranch, just north of Hwy 128 and N of Putah Creek. Area E of Bray Canyon where transmissionl lines are present. Bottom of drainage that flows downslope from escarpment labeled 'spring' on topo maps. Near undeveloped road. 118 Comment
  UCR219525  Callitriche marginata Jean V. Shepard 2004-3-7 634 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, 3.5 mi south on Mace Blvd. (Co. Road 104) from intersection of Hwy I-80 and Mace Blvd., 0.4 mi east on unpaved entrance road, and 0.2 south 12 Comment
  SEINET3863098 Image available Callitris glauca A. T. Leiser 1986-9-30 s.n. Yolo Ucd (UC Davis) D-2 Row 7 Plant 1.; 0 Comment
  CHSC42779  Calochortus amabilis Don Neubacher 1975-5-2 15 Yolo 2.3 miles north of Rumsey on State Highway 16, near Cache Creek. Comment
  RSA734213  Calochortus amabilis Keith E. Hoffmaster 1946-4-13 1208 Yolo Putah Canyon Comment
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May 14 2010
  UCD48261  Calochortus amabilis S. Olmsted; M. Atamian, R. Brush, M. Furuyama, C. Owens 2000-4-29 01 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. 609 Comment
  UCD59343  Calochortus amabilis Ellen Dean; Kate Mawdsley 2007-5-11 3767 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Central part of ranch. 546 Comment
  UCD62863  Calochortus amabilis Tavis Forrester; Plant Biology 102 students 2008-4-6 2 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. 109 Comment
  UCD70442  Calochortus amabilis E. D. Appenzeller 1995-5-28 15 Yolo West of city of Winters; off hwy 128 near Stebbins Cold Canyon. Oak woodland, shady slope. Flowers yellow. Comment
  UCD73702  Calochortus luteus Ayzik Solomeshch 2004-4-28 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  UCD41155  Calycadenia N. Nicola 2002-6-19 235 Yolo Eastern foothills of inner north coast range, Capay Valley. Just north of Rumsey, Rd. 41, Lowrey Ranch. Comment
  CAS-BOT-BC270864  Calycadenia pauciflora Gerald D. Carr 1971-9-16 661 Yolo 4.2 miles SE of Guinda on Road 53 Comment
  CAS-BOT-BC270868  Calycadenia pauciflora Gerald D. Carr 1971-9-15 659 Yolo 3.0 miles E of Lake County line on Rieff - Rayhouse Road, NE Roadside slope Comment
  RSA255586  Calycadenia pauciflora Gerald D. Carr 1971-9-28 676 Yolo 7.5 miles SW of Brooks, 1.5 miles north of Berryessa Peak, 300 yards east of road 640 Comment
  UC1516206  Calycanthus occidentalis W. H. Brewer 1862-8-6 1318 Yolo Rag Canyon Comment
  UCD137920  Calycanthus occidentalis Richard E. Tanner 1955-6-5 71 Yolo on North Quad, across from Soils and Irrigation Building, UC Campus. Comment
  UCD100313  Calyptridium quadripetalum Mark A. Hershkovitz ca. 10 Jun 1991 Yolo Yolo (?) Co.: nr. Lake and Napa Cos.: Along Rayhouse Rd. (becomes Reiff Rd.) e. of descent to Knoxville-Berryessa Rd. Comment
  UCD63077  Calystegia occidentalis Ellen Dean 2008-4-9 4786 Yolo Tuleyome Ireland Ranch. Central part of Ranch along main canyon. 591 Comment
  UCR244758  Calystegia occidentalis subsp. occidentalis Jean V. Shepard 2011-8-20 853 Yolo NE of Woodland, from intersection of county roads 102 & 16, east on road 16 to T. Right on Rd 16A around Gray's Bend about 2 miles to private dirt road on left. Site is just east of Sutter Co. line. 14 Comment
  UCD20573  Calystegia purpurata E. Dean; with M. Bibbo 2002-7-5 1114 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. 685 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
  RSA41330  Camissonia ignota Robert F. Hoover 1938-4-23 3199 Yolo Grade on Rumsey - Arbuckle Road. Comment
  UCD39907  Capillipedium parviflorum Beecher Crampton 1957-9-24 s.n. Yolo UC Davis Campus, Agronomy Experimental Area. Comment
  RSA530964  Capsella bursa-pastoris Glenn A. Gorelick 1966-4-1 s.n. Yolo 418-1/2 2nd St., Davis. 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
  UCD114116  Capsella bursa-pastoris F. H. Bolster 1912-4-9 s.n. Yolo Davis. Comment
  UCD114123  Capsella bursa-pastoris Beecher Crampton 1957-3-26 3898 Yolo Landscape Management Plots, UC Davis Campus. 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
  UCD114163  Capsella bursa-pastoris M. Wiesendanger 1927-4-29 611 Yolo Woodland. Comment
  UCD14260  Capsella bursa-pastoris Peter Stekel 1974-4-4 2 Yolo Davis, along road to University of California, Davis Zoological Area, more or less 1 mile south of Russell Blvd. and Highway 113. 19 Comment
  UCD41014  Capsella bursa-pastoris Carol W. Witham 2003-4-11 944 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  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
  UCD83372  Cardamine hirsuta Jean Shepard 2010-3-14 832 Yolo City of Davis, 1700 block Myrtle Place. Comment
  UCD20159  Cardamine hirsuta Tom Lanini 2002-4-3 s.n. Yolo UC Davis greenhouse. Contaminant in greenhouse soil. Comment
  UCD161223  Cardamine oligosperma Jean Shepard 2011-3-5 s.n. Yolo West of Woodland, Co Rd 16 to Guinda. W on Forest Ave (Co Rd 53) about 1 mi to gate. Continue about 1 mi past gate. 198 Comment
  UCD168433  Cardamine oligosperma Ellen Dean 2017-3-15 9255 Yolo Audubon Bobcat Ranch, lands north of Hwy 128, just east of Monticello Dam. Bray Canyon and vicinity on the western side of ranch. Ranch burned once each year in 2014, 2015, 2016. 2017 has been a high rainfall year. Lower reaches of Bray Canyon on west side of creek. 57 Comment
  UCD41026  Cardamine oligosperma Carol W. Witham 2003-4-11 957 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  RSA531017  Cardaria draba Glenn A. Gorelick 1966-5-15 s.n. Yolo 5 miles E of Woodland on Hwy 16. Comment
  CDA36934  Carduus pycnocephalus CDFA Staff s.n. Yolo Rominger Prop., north of County Road 19, east of County Road 92C, west of County Road 94B. 0 Comment
  UCR257982  Carex divulsa subsp. divulsa Jean V. Shepard 2012-4-30 867 Yolo City of Davis, yard in 1800 block Myrtle Place 15 Comment
  UCD141593  Carex nudata Ellen Dean; A. Ayalon 2013-5-16 7764 Yolo Along Putah Creek, west of Old Davis Rd., east of Railroad overpass. UC Davis Putah Creek Reserve. In plot DRR 2E of Putah Creek vegetation survey. 15 Comment
  UCR37037  Carex praegracilis A. C. Sanders 1984-6-18 5067 Yolo Sacramento Valley, Sacramento Bypass near Bryte, just NW of Sacramento, bed of the bypass 1 mi west of the Sacramento River 5 Comment
  CAS-BOT-BC118327  Carex praegracilis Ethel Hyde 1937-5-5 s.n. Yolo Davis Comment
  UCD140750  Carex praegracilis Beecher Crampton 1953-4-23 1133 Yolo 4 miles west of city of Davis. Comment
  CDA19175  Carthamus creticus J. King 2001-6-5 PDR 1143171 Yolo Sacramento Valley; County Rd. 54, Guinda. 0 Comment
  UCD35422  Carthamus tinctorius Beecher Crampton 1956-7-13 3715 Yolo Yolo bypass. Comment
  CDA7001  Carthamus tinctorius T. C. Fuller 1959-10-1 3163 Yolo Taylor Monument, ca. 3 miles northwest of Bryte. 0 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
  UCD39935  Cassia occidentalis Beecher Crampton 1964-10-27 s.n. Yolo UC Davis Campus, Veg. Crop grown. Comment
  JEPS43522  Castilleja applegatei subsp. martinii Richard H. Ramsey 1961-3-18 11 Yolo Cache Creek Canyon, 3 miles northwest of Rumsey on Hwy. 16 Comment
  JEPS5855  Castilleja applegatei subsp. martinii E. H. Everson 1951-2-24 Yolo 3.5 mi nw Rumsey; Cache Creek Comment
  JEPS86178  Castilleja applegatei subsp. martinii L. R. Heckard 1988-4-2 6672 Yolo ca 3 mi nw Rumsey; Cache Creek Canyon 250 Comment
  JEPS88818  Castilleja applegatei subsp. martinii T. I. Chuang and F. M. Chuang 1991-6-23 7837 Yolo 3 mi s Colusa and Yolo county line (on Highway 16) Comment
  UC917109  Castilleja applegatei subsp. martinii R. H. Miller 1949-5-8 51 Yolo Putah Canyon Comment
  UCD122267  Castilleja applegatei subsp. martinii Rolf Y. Berg 1964-3-14 8006 Yolo State Highway 16, ca. 2.5 miles northwest of Rumsey. 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
  UCD146930  Castilleja attenuata Carol W. Witham 2003-4-7 887 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD149350  Castilleja attenuata R. Gay 1954-4-14 s.n. Yolo City of Madison, V. Mast Ranch. 44 Comment
  UCD56755  Castilleja attenuata Ellen Dean; M. Bibbo 2007-3-23 3447 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Western/Central portion of ranch near unimproved access loop road. 624 Comment
  CAS-BOT-BC241257  Castilleja campestris Lowell Ahart 2007-5-12 13816 Yolo About 100 yards southwest of the second power tower, about 300 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 28 Comment
  UCD122400  Castilleja exserta R. H. Miller 1949-4-3 9 Yolo East entrance to Putah Canyon. Comment
  UCD63066  Castilleja exserta subsp. exserta Ellen Dean 2008-4-9 4775 Yolo Tuleyome Ireland Ranch. Central part of Ranch. Upper reaches of main canyon that starts near upper part of main loop road. Above stockpond. 595 Comment
  HSC90179  Castilleja foliolosa Andrew Enberg, Brad Penkala, Dan Scofield 1990-4-23 Yolo Hwy. 16, approx. 2 mi. N of Rumsey 213 Comment
  UCD168488  Castilleja foliolosa Ellen Dean 2017-3-15 9278 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. South-facing hillslope above tributary to Bray Creek on west side of Bray Canyon. 182 Comment
  HSC20873  Castilleja lineariloba M. Dole 1963-4-9 19 Yolo 2 mi. W of Zamora on Rd. 15 Comment
  UCD23197  Castilleja rubicundula subsp. lithospermoides A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCD39884  Casuarina cunninghamiana Beecher Crampton 1986-10-6 s.n. Yolo City of Davis; near L st. 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
  UCD55501  Caulanthus lasiophyllus J. Shepard 2000-5-18 253 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 south along track. 12 Comment
  UCD55504  Caulanthus lasiophyllus J. Shepard 2001-5-6 451 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 Department of Defense property fence, then south 150 yd. 12 Comment
  UCD55505  Caulanthus lasiophyllus J. Shepard 2002-4-6 503 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east 200 yd. along unpaved entrance road. On south side of road. 12 Comment
  UCD59380  Ceanothus cuneatus Ellen Dean; Kate Mawdsley 2007-6-8 3855 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. 621 Comment
  UCD73673  Ceanothus cuneatus Ayzik Solomeshch 2004-5-3 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
  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
  SEINET5743564 Image available Ceanothus leucodermis Ray Prag 1971-1 179 Yolo In Arboretum, Univ. of California campus, Davis.; Univ. of California, Davis Comment
  UCD20477  Ceanothus maritimus ATL 1981-3-13 HN 025 Yolo California, Yolo County: Davis. University of California campus. Environmental Horticulture. Comment
  UCD20545  Celtis spinosa Glen Forister 1981-5-27 Yolo Yolo County, Davis, UC Davis Environmental Horticulture, west of can yard. Comment
  UCD57820  Cenchrus longispinus Beecher Crampton 1970-8-3 8644 Yolo State Hwy. 128, 7 miles west of Winters, Putah Creek Canyon. Comment
  UC735728  Centaurea calcitrapa Chas. Heiser 1947-7-10 1923 a Yolo Davis Comment
  CDA18062  Centaurea calcitrapa J. Young 1999-7-29 PDR 1226231 Yolo Winters. 0 Comment
  CDA32099  Centaurea calcitrapa Dave Minnesang & Phyllis Hiatt 1979-6-7 Yolo Glides Tule Ranch, south of Davis on Rd. 106 0 Comment
  CDA7225  Centaurea iberica G. D. Barbe 1984-4-25 4153 Yolo 0.3 mile east of ranch headquarters, Glide Ranch; east of Road 106, 1.4 miles south of Road 36; also around corral west of headquarters. 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
  UCD130039  Centaurea melitensis A. S. Crafts 1926-7-8 443 Yolo University Farm Campus, Davis. Comment
  UCD59350  Centaurea melitensis Ellen Dean; Kate Mawdsley 2007-5-11 3774 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
  UCD39206  Centaurea melitensis Beecher Crampton 1953-5-19 1311 Yolo 6 miles west of Winters. Roadside bank along Putah Creek. Comment
  UCD21289  Centaurea solstitialis J. Shepard 2000-5-8 228 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road past parking lots on the south side. Growing in 6 foot mounds of topsoil behind archery ranges. 12 Comment
  CAS-BOT-BC284495  Centaurea solstitialis M. P. Bellue 1931-9-4 1 Yolo Near Davis Comment
  UCD15685  Centaurea solstitialis David Uyeno 1989-6-4 8 Yolo Chiles Rd, Davis. 12 Comment
  UCD69707  Centaurea solstitialis William Wong 1982-6-4 10 Yolo Along Chiles Road, in open field. Valley Grassland. With Asteraceae. On dry loam soil in full light. 2 ft. tall with yellow flowers. 12 Comment
  UCD41141  Centaurium C. Holn 2002-5-24 222 Yolo Eastern foothills of inner north coast range, Capay Valley. Just north of Brooks. Comment
  JEPS46947  Centaurium trichanthum Willis L. Jepson 1892-7-27 14637 Yolo near Winters Comment
  UCD81541  Centromadia fitchii W. W. Robbins; W. D. Norton 1927-10-1 822 Yolo West of Davis. Comment
  CAS-BOT-BC272820  Centromadia parryi subsp. parryi C. R. Quick 1972-8-8 72 -38 Yolo South edge of county road 142. Merritt Island, about 20 miles SSW of Sacramento, just west of the Sacramento River, SE Yolo Co. Comment
  UCD77503  Centromadia parryi subsp. rudis Robert E. Preston 1999-9-11 1241 Yolo 3 mi SE of Woodland, in fields N of Road 25. 9 Comment
  SD27845  Centromadia pungens Carl B. Wolf 1928-5-8 2146 Yolo Sacramento Valley, 12 miles north of Dixon. 29 Comment
  UCD120209  Centromadia pungens Ellen Dean 2012-4-19 7323 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
  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
  UCD73030  Centromadia pungens Ellen Dean; Erika Smith and Casey Woodall 2008-5-12 4911 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
  UCD130208  Centromadia pungens H. Sevier 1931-6-24 2232 Yolo Davis. Comment
  UCD130254  Centromadia pungens M. Wiesendanger 1927-4-29 609 Yolo Woodland. Comment
  UCD69691  Centromadia pungens Ravinder Hundal 1982-6-6 29 Yolo Davis, in field south of Faro and F Street junction. 150 yards south of Faro and 100 yards west of F Street. Dominant, growing with bunch grass. In very dry soil. Herb, 30cm tall with yellow flowers. 13 Comment
  CAS-BOT-BC228576  Centromadia pungens subsp. pungens Tom Kearney 1973-3-12 s.n. Yolo West side of Sacramento River, about 5 miles north of Knights Landing Comment
  JEPS81443  Centromadia pungens subsp. pungens M. A. Showers 1981-5-20 2085 Yolo approx. 2 mi se Woodland (at jct of Rd. 25 and Rd. 103) Comment
  CAS-BOT-BC223001  Cephalanthus occidentalis C. R. Quick 1972-7-30 72 -27 Yolo On east levee of Elk Slough, road 144, Merritt Island, 20 miles SSW of Sacramento, SW corner of Yolo Co. Comment
  UCD164527  Cephalanthus occidentalis Craig D. Thomsen 2009-5-15 2917 Yolo Camp Haswell County Park, along secondary drainage south of parking lot. 129 Comment
  UCD34608  Cephalanthus occidentalis Beecher Crampton 1986-8-26 10055 Yolo Yolo County, ca. 5-6 miles west of Winters along Putah Creek, public access area. Comment
  UCD35815  Cephalanthus occidentalis B. Crampton 1962-8-27 6644 Yolo 4.6 miles s.e. of Knight's Landing, along the Sacramento River. Comment
  JEPS12451  Cephalanthus occidentalis var. californicus W. L. Jepson 1936-7-6 17655 Yolo near Devils Gate (Putah Creek canyon, Yolo-Solano-Napa county boundary); Putah Pass Comment
  RSA696189  Cerastium glomeratum Keith E. Hoffmaster 1939-4-6 s.n. Yolo Putah Canyon Comment
  UCD21378  Cerastium glomeratum J. Shepard 2001-3-26 419 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. About 50 yards north of fence at road and 100 yards west of Department of Defense property fence. 12 Comment
  CAS-BOT-BC388243  Cerastium glomeratum W. D. Hamilton 1946-3-29 s.n. Yolo Putah Canyon Comment
  SEINET5736135 Image available Ceratonia siliqua Shirley C. Tucker 1988-1 28888 Yolo Univ. of CA Arboretum near Horticulture Dept. headquarters building, S of Putah Creek.; Davis Comment
  CAS-BOT-BC207763  Cercis occidentalis Lincoln Constance 1938-3-27 2046 Yolo Monticello-Winters road, 8 mi NW of Winters, Vaca Mountains, Inner North Coast Ranges, on Putah Creek 304 Comment
  RSA170981  Cercis occidentalis Robert F. Thorne, Percy C. Everett, K. Thorne 1964-10-18 34144 Yolo Along Cache Creek, 12 miles SSE of junction of Hwys 20. and 16, 3 miles NW of Rumsey. 107 Comment
  RSA29316  Cercis occidentalis Joseph A. Ewan 1934-3-18 8688 Yolo Putah Creek, 8 miles above Winters. 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
  UC614588  Cercis occidentalis L. Constance 1938-3-27 2046 Yolo Monticello-Winters road 8 mi nw Winters; Inner North Coast Ranges, Vaca Mountains, Putah Creek 304 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
  UCD105665  Cercis occidentalis M. Wiesendanger 1928-4-5 355 Yolo Putah Canyon. Comment
  UCD105666  Cercis occidentalis M. Wiesendanger 1927-5-4 643 Yolo Putah Canyon. Comment
  UCD20587  Cercis occidentalis E. Dean; with M. Bibbo 2002-7-5 1130 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
  UCR207823  Cercis occidentalis George K. Helmkamp, E. A. Helmkamp 2009-3-24 14447 Yolo Inner North Coast Range, along CA-128, 6.1 miles west of Winters and beside Putah Creek 49 Comment
  UCD113018  Cercocarpus betuloides Amelie Blyth 1952-4-6 4- 4 Yolo Bank of Putah Creek, about 5 miles W of Winters, on highway between Winters and Monticello. Comment
  CAS-BOT-BC284546  Chaenactis glabriuscula var. heterocarpha Annetta Carter 1938-5-7 1364 Yolo Cache Creek Canyon, 3.6 miles norht of Rumsey, Innner North Coast Range 213 Comment
  UC630436  Chaenactis glabriuscula var. heterocarpha Annetta Carter 1938-5-7 1366 Yolo 3.6 mi n of Rumsey (Cache Creek canyon); Inner North Coast Range, Cache Creek 213 Comment
  UCD105668  Chamaecrista fasciculata R. A. Pendleton 1934-8-3 s.n. Yolo Davis. 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
  UCD34228  Chamomilla suaveolens Beecher Crampton 1978-5-8 9581 Yolo 1/4 mile south of Saxon Station. Comment
  UCD149332  Chenopodium album Collector Unknown 1925-6-12 s.n. Yolo University of California, Davis. University Farm. 15 Comment
  UCD21310  Chenopodium album J. Shepard 2000-5-20 255 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
  UCD21333  Chenopodium album J. Shepard 2000-6-30 316 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, past parking lot on the south side. Between entrance road and easternmost parking lot in a 4 foot pile of topsoil. 12 Comment
  UCD38889  Chenopodium album Beecher Crampton 1959-11-12 5470 Yolo Putah Creek bed. UCD Arboretum. Comment
  UCD97760  Chenopodium album Chas. Heiser 1947-7-9 1949 Yolo On campus, Davis. Comment
  CHSC117349  Chenopodium ambrosioides var. suffruticosum B. Castro; Tom Boullion 2008-9-17 1769 Yolo Sacramento Valley. CA 3 air mi SE of Knights Landing, via Road 116B, W of 'Wild Irishman Bend' on tpo map, on W band of the Sacramento River at RM 85.6. Not far above river, along lower fenceline of disturbed, irrigated 2 year-old riparian revegetation site. 10 Comment
  RSA97532  Chenopodium botrys Beecher Crampton 1953-10-15 1699 Yolo Cache Creek, Capay. Comment
  UCD98310  Chenopodium murale A. S. Crafts 1926-7-8 427 Yolo University Farm Campus, Davis. Comment
  UCD98313  Chenopodium murale H. R. Drever 1945-6-1 s.n. Yolo Davis. Comment
  UCD57914  Chloris truncata R. Tofsrud 1942-9-1 s.n. Yolo Davis. Comment
  UCD57915  Chloris truncata R. Tofsrud 1942-9-1 85 Yolo Davis. Comment
  CAS-BOT-BC184890  Chloris virgata Beecher Crampton 1955-8-27 3140 Yolo Along US Highway 99W, 3 miles north of Davis. Comment
  UC1040705  Chloris virgata Beecher Crampton 1955-8-27 3140 Yolo along US Hwy 99W 3 mi n Davis Comment
  UCD36777  Chloris virgata Beecher Crampton 1955-8-23 3140 Yolo Yolo County, 3 miles north of city of Davis, along U.S. Highway 99W. Comment
  UCD57949  Chloris virgata A. M Shapiro 1996-7-4 s.n. Yolo Northern California, approximately 2 miles north of Davis, opposite end of F Street, Road 29. Comment
  UCD59682  Chloris virgata Beecher Crampton 1969-10-2 8517 Yolo ca. 7.5 miles west Davis; County Road 31 just west of its junction with County Road 95. Comment
  CAS-BOT-BC238012  Chloropyron palmatum Beecher Crampton 1978-6-26 9606 Yolo 4 miles S.E. of Woodland Comment
  UCD114616  Chorispora tenella Beecher Crampton 1969-4-7 8395 Yolo Woodland, at Cross and East streets. Comment
  UCR212370  Chorizanthe membranacea Ayzik Solomeshch 2005-4-10 s.n. Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Northeastern part of the ranch, Maxwell Flat area, accessed by private road that is at the end of Moody Slough Rd. 71 Comment
  UCD130478  Cichorium intybus A. S. Crafts 1926-7-8 481 Yolo University Farm Campus, Davis. Comment
  HSC81599  Clarkia affinis Thomas W. Nelson, Jane P. Nelson 1980-4-27 5107 Yolo Along SR 16, 100 m E of bridge over Cache Creek, 4.2 mi. from county line 152 Comment
  UCD62785  Clarkia affinis Susan Zhang; Plant Biology 102 students 2008-5-3 1 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. West side of Bray Creek. 103 Comment
  CAS-BOT-BC162560  Clarkia affinis A. A. Heller; H. E. Brown 1902-5-22 s.n. Yolo Banks of Putah Creek near Winters Comment
  UCD104437  Clarkia concinna H. B. Nidever 1951-5-26 39 Yolo 2 miles N of Rumsey, Cache Creek Canyon. 106 Comment
  UCD23420  Clarkia concinna John Warren 1977-5-15 17 Yolo Side canyon north of Hwy 128, 3.7 miles west of junction with Rd. 86. Comment
  POM32011  Clarkia concinna subsp. concinna C. F. Baker 1903-5-8 2982 Yolo Cache Creek canyon Comment
  UCD104845  Clarkia purpurea Beecher Crampton 1972-4-19 8791 Yolo 2 miles W of Winters. Comment
  POM32290  Clarkia purpurea subsp. purpurea C. F. Baker 5065 Yolo Cache Creek Canyon Comment
  UCD59312  Clarkia purpurea subsp. quadrivulnera Ellen Dean; Kate Mawdsley 2007-5-11 3736 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
  UCD104943  Clarkia purpurea subsp. quadrivulnera F. W. Martin; M. N. Martin 1960-5-1 s.n. Yolo Near Cache Creek, ca. 10 miles N of Rumsey. 152 Comment
  UCD15533  Clarkia purpurea subsp. quadrivulnera Lara Hawthorne 1989-6-3 24 Yolo Highway 128 near Stebbins. 97 Comment
  RSA273214  Clarkia unguiculata Glenn A. Gorelick 1966-5-15 s.n. Yolo 2.2 miles N of Rumsey along Highway 16. 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
  UCD72424  Claytonia parviflora Ellen Dean 2008-4-25 4852 Yolo Tuleyome Ireland Ranch, central part of ranch along path that has been cut through chaparral to access southwestern portion of ranch. 620 Comment
  UCD15582  Claytonia perfoliata J. D. Clarck 1995-5-27 7 Yolo Mix Canyon Rd, approx. 1/2 mile from intersection with Pleasant Valley Rd in Winters. 45 Comment
  SEINET5727678 Image available Claytonia perfoliata Diane de Polo 1964-1 5 Yolo Cache Creek canyon, ca. 2.5 miles northwest of Rumsey.; Rumsey Comment
  UCD146829  Claytonia perfoliata subsp. perfoliata Carol W. Witham 2003-4-11 956 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  CAS-BOT-BC440066  Claytonia perfoliata subsp. perfoliata W. D. Hamilton 1946-3-27 s.n. Yolo Davis Comment
  SEINET215094 Image available Claytonia perfoliata subsp. perfoliata W. P. Hackett 1960-3-13 2 Yolo Davis, E of airport, Univ. of CA. at Davis. Comment
  UCD100820  Claytonia perfoliata subsp. perfoliata B. A. Madsm 1925-3-19 s.n. Yolo Agron. Tract, 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
  RSA701431  Clematis lasiantha Keith E. Hoffmaster 1946-3-29 s.n. Yolo Putah Canyon, near cannon-ball 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
  UC917249  Clematis ligusticifolia J. D. Skoss 1948-8-12 74 Yolo bank of Putah Creek Davis (U.C. California campus); , U.C. California campus Comment
  UCD170943  Cleome gynandra 2018-6-19 s.n. Yolo University of California, Davis. Agricultural fields to the south of Hutchison Drive to the west of Hwy 113 and the east of the airport. Old Vegetable Crops Field Headquarters area. 18 Comment
  RSA0117398  Collinsia concolor Keith E. Hoffmaster 1939-4-6 918 Yolo Putah Canyon. Comment
  UCD48211  Collinsia heterophylla Ryan Knox; E. McDermott, G. Walden 2002-4-13 15 Yolo Yolo Co., McLaughlin 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. 487 Comment
  UCD48214  Collinsia heterophylla A. Laffin; S. Holck, A. Randall 2002-4-13 15 Yolo Yolo County, McLaughlin UC Reserve, W side of Davis Creek Reservoir, along road that goes from Soda Springs to Rayhouse Rd.; due N of Soda Spring 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. 40 yds. From the N side of the road. 488 Comment
  RSA412228  Collinsia sparsiflora Joseph A. Ewan 1934-3-18 8680 Yolo Putah Creek, 8 miles above Winters. Comment
  UC917151  Collinsia sparsiflora var. collina R. B. Griffith 1949-4-11 16 B Yolo 5.5 mi n Rumsey (e of Cache Creek); e of Cache Creek Comment
  UC596287  Collinsia sparsiflora var. sparsiflora R. F. Hoover 1938-2-22 2767 Yolo Putah Creek Canyon Comment
  SEINET892897  Colutea arborescens June McCaskill 1954-1 302 Yolo At rear of Ed Gedling's house, near Grounds Building; University of California, Davis, Yolo County. Comment
  UCD127312  Conium maculatum H. B. Nidever 1951-4-12 13 Yolo about 3 miles NE of Davis. 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
  UCR257078  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
  CDA36797  Convolvulus arvensis K. Davis 1976-6-3 1 Yolo Sutter Island; bank of Sacramento River. 0 Comment
  UCD125709  Convolvulus arvensis Beecher Crampton 1976-6-7 9400 Yolo Yolo County, Davis, College Park and Russell blvd., vacant lot on N.W. corner. Comment
  UCD126186  Convolvulus arvensis David Barnett 1982-5-11 46 Yolo West Davis on Road 97 0.2 mile north Road 32. 15 Comment
  UCD126188  Convolvulus arvensis M. P. Bellue 1931-9-4 s.n. Yolo Davis. Comment
  UCD14213  Convolvulus arvensis Joan Alleguer 1974-5-20 43 Yolo Yolo County; U.C. Davis campus, near the medical school 15 Comment
  UCD15692  Convolvulus arvensis David Uyeno 1989-6-8 15 Yolo Covell Blvd., Davis. 12 Comment
  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
  UCD70452  Convolvulus arvensis E. D. Appenzeller 1995-5-29 11 Yolo City of Davis; Hutchinson Rd; near agricultural fields of UC Davis. Flowers pink and white. Comment
  JEPS80668  Cordylanthus palmatus L. R. Heckard with Dave and Mary Anne Showers 1981-5-30 5516 Yolo about 3 mi s Woodland (s of Road 25 and w of Road 103) Comment
  UC1278026  Cordylanthus palmatus B. Crampton 1952-11-4 909 Yolo 1.5 mi e Woodland (vicinity of Woodland sewage disposal plant) Comment
  UC1360402  Coriandrum sativum June McCaskill and Katherine Onaga 1968-4-22 732 Yolo Davis; nw corner of intersection of Russell Blvd. and State Highway 113, in rubble of torn down Chinese restaurant Comment
  UCD127342  Coriandrum sativum Nancy A. Gee 1986-5-1 40 Yolo State Highway 113, Hutchinson Drive overpass, Davis. 15 Comment
  CAS-BOT-BC209748  Cornus glabrata Clarence Quick 1970-5-4 70 -01 Yolo Merritt Island near Clarksburg Comment
  SEINET3926230  Cortaderia selloana June McCaskill, Katherine Onaga 1964-10-2 690 Yolo Lining dirt road skirting south side of Home Economics Building, University of California campus, Davis.; 0 Comment
  UCD22757  Cotoneaster dammeri Collector unknown 1988-2-8 s.n. Yolo Environmental Horticulture building. Comment
  UCR219958  Cotula australis Ayzik Solomeshch 2004-5-14 s.n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of the ranch. Grassland restoration and weed contol plots of Emilio Laca and Joe DiTomaso 84 Comment
  CAS-BOT-BC287246  Cotula australis Beecher Crampton 1957-4-5 3917 Yolo University of California, Davis Campus Comment
  UCD81416  Crassula aquatica J. Shepard 2003-4-27 599 -B 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
  UCD101828  Crassula connata Robert C. Bechtel 1952-3-16 23 Yolo Putah Canyon. 60 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
  UCD55491  Crassula connata J. Shepard; E. Dean, B. Rice, P. and R. Unger, B. Salvia 2004-3-28 657 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
  UCD73721  Crassula connata Ayzik Solomeshch 2004-5-14 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  UCR51827  Cressa truxillensis D. E. Anderson 1977-5-15 15699 Yolo Sacramento River floodplain, N of Yolo bypass c. 20 mi. north of Sacramento along Hwy I-5. Under Southern Pacific Railroad trestle. Comment
  UCD125724  Cressa truxillensis Beecher Crampton 1978-6-27 9617 Yolo 4 miles S.E. of Woodland. Comment
  UCD20603  Croton setiger E. Dean; with M. Bibbo 2002-7-5 1148 Yolo McLaughlin UC Reserve. Clover Valley, W of main road that goes N-S through valley. 457 Comment
  UCD20900  Croton setiger N. Nicola 2001-9-12 128 Yolo Southern Sacramento Valley, city of Davis. Comment
  UCD21300  Croton setiger J. Shepard 2000-5-13 240 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, in parking lot on south side. 12 Comment
  UCD73706  Croton setiger Ayzik Solomeshch 2004-6-15 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  UCD142089  Croton setiger H. R. Drever 1945-8-11 s.n. Yolo University of California campus, Davis. 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
  UCD142199  Croton setiger C. J. W. 1913-10-1 308 Yolo Davis. Comment
  UCD67915  Croton setiger Allen Hahus 1978-5-22 31 Yolo Near city of Davis, 0.5 miles N of Covell Blvd. along rd 99. Valley Grassland. 15 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
  UCD41059  Crypsis schoenoides Carol W. Witham 2003-8-8 990 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD59933  Crypsis schoenoides R. N. Raynor 1940-10-20 s. n. Yolo North of Yolo Bypass. Comment
  UCR220396  Crypsis schoenoides Jean V. Shepard 2000-6-11 303 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 nearly to Air Force facility boundary and 500 ft south to disked vernal pool 12 Comment
  UCD41058  Crypsis vaginiflora Carol W. Witham 2003-8-8 989 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD149398  Cryptantha ambigua Collector Unknown 1949-1 s.n. Yolo Yolo County. Capay Valley. Hungry Hollow 53 Comment
  UC762406  Cryptantha flaccida R. F. Hoover 1938-4-23 3198 Yolo grade on Rumsey to Arbuckle road Comment
  UCD160092  Cryptantha flaccida Mayra Huerta 2015-4-12 5 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, near ranch headquarters. 99 Comment
  SEINET10734695  Cucumis melo Stephanie Frischie 2000-9-30 Frischie 101 Yolo Davis Farmers' Market, Davis, CA. Comment
  CAS-BOT-BC532593  Cupressus macnabiana G. Ledyard Stebbins 1954-2-1 s.n. Yolo Cedar Basin. [No county given in original location info; this could be a Cedar Basin in a different county] Comment
  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
  UCD35449  Cuscuta brachycalyx Beecher Crampton 1956-9-27 3872 Yolo 3 miles west of Davis. Comment
  UCD67396  Cuscuta campestris Julia Curlette 1992-5-5 5 Yolo Yolo county : Pedric Rd. Along roadside. Comment
  UCR119107  Cuscuta salina Beecher Crampton 1961-7-25 5942 Yolo Sacramento Valley, 1 mile southwest of Saxon Station. 15 Comment
  UCD35597  Cuscuta salina Beecher Crampton 1958-7-15 5012 Yolo Ca. 3 miles northeast of Davis. Comment
  UCD98531  Cycloloma atriplicifolium R. Raynor 1943-9-1 s.n. Yolo Railroad right-of-way, West Sacramento. Comment
  UCD60009  Cynodon barberi R. Tofsrud 1947-12-13 s. n. Yolo U. C. Davis campus. Back of old Agronomy Division buildings. Comment
  JEPS84688  Cynodon dactylon John W. Willoughby 1977-4-27 2325 Yolo foothills n of State Highway 128, 1.3 mi e junction with Pleasants Valley Road (County Road 86); Vaca Mountains 48 Comment
  SACT000832  Cynodon dactylon Brian Brown 1975-10-10 Yolo dry habitat Comment
  SEINET242436 Image available Cynodon dactylon Beecher Crampton 1954-9-1 s.n. Yolo UC Davis, agronomy division grass garden. Comment
  UCD150923  Cynodon dactylon James A. Neilson Jr. 1961-7-1 s.n. Yolo 5 milies N of Rumsey. Cache Creek. (elevation estimated by label-maker using Google Earth). 176 Comment
  UCD37287  Cynodon dactylon Beecher Crampton 1959-3-24 5144 Yolo Yolo County, city of Davis. Comment
  UCD39911  Cynodon dactylon Beecher Crampton 1954-9-1 s.n. Yolo UC Davis, agronomy division grass garden, grown from rhizomes from Tifton, Georgia. Comment
  UCD69701  Cynodon dactylon Kathy Baker 1982-6-6 32 Yolo Davis, Adams Street. In field, 50 yards from last house, 10 yards from side of road. With bunch grass and Centaurea solstitialis. On dry, rocky soil in full sun. Grass, 25cm tall. 13 Comment
  UCD73595  Cynodon dactylon Ellen Dean; Elizabeth Goebel 2008-4-7 4730 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
  RSA797398  Cyperus Keith E. Hoffmaster 1939-4-26 s.n. Yolo Putah Canyon. Comment
  RSA127042  Cyperus difformis H. S. Yates 1936-8-14 6142 Yolo 8 mi NE of Knights Landing 15 Comment
  UCD141028  Cyperus difformis Collector Unknown 1950-1 s.n. Yolo exact location unknown. Comment
  RSA518724  Cyperus difformis Barbara Ertter 1988-10-21 7995 Yolo Cache Creek at Rd 89 crossing just W of I-505, E of gravel pits 1.5 mi N of Madison, ca 10 airmiles W of Woodland, Sacramento Valley 37 Comment
  CDA21292  Cyperus erythrorhizos G. F. Hrusa, C. & E. Dogwin 2007-10-18 17079 Yolo Sacramento Delta; Boat launch area on W side of Sacramento River approx. 1 mi. N of Hood (E bank). 3 Comment
  CHSC83233  Cyperus erythrorhizos M. Tu 1999-5-19 133 Yolo Cosumnes River Preserve. Collected at Orchard Park greenhouses in Davis. 1 Comment
  RSA92356  Cyperus erythrorhizos Beecher Crampton 1954-9-28 2281 Yolo Rice levee, 5 miles east of Davis Comment
  UCSC000114  Cyperus erythrorhizos H. S. Yates 1936-8-14 6141 Yolo 8 miles northeast of Knights Landing 15 Comment
  UCD34358  Cyperus esculentus Beecher Crampton 1980-8-1 9755 Yolo Davis. Comment
  UC1563676  Cyperus odoratus Barbara Ertter 1988-10-21 7994 Yolo e. of gravel pits 1.5 mi. n. Madison (ca. 10 airmiles w. of Woodland, Cache Creek at Rd. 89 crossing just w. of I-505); Sacramento Valley, Cache Creek 36 Comment
  UCD165543  Cyperus odoratus Emily Griswold 2016-8-17 s.n. Yolo UC Davis Arboretum waterway, western end near Putah Creek Lodge. 14 Comment
  UCD33554  Cyperus odoratus Beecher Crampton 1969-10-21 8524 Yolo Putah Creek bed, S.E. of University airport. Comment
  UCD35256  Cyperus odoratus Beecher Crampton 1954-9-28 2280 Yolo Yolo County; 5 miles east of Davis. Comment
  CDA2600  Cyperus rotundus MacBride 1939-11-24 Yolo School, Clarksburg. 0 Comment
  UCD60292  Dactylis glomerata Beecher Crampton 1962-4-18 6231 Yolo Davis. Southern Pacific R. R. Station. Comment
  UC914227  Damasonium californicum Verne Grant and Alva Grant 1946-4-15 7672 Yolo Yolo Bypass Comment
  RSA82764  Damasonium californicum Jo Nixon 1951-5-19 23 Yolo Hwy 40, W of causeway, 6 miles E of Davis. Comment
  UCD73681  Datisca glomerata Chris Mosser; Plant Biology 102 students 2008-5-3 6 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. Found on west-facing slope on the east bank of Bray Creek as well as in the creek. 100 Comment
  UCD106249  Datura ferox Jean Shepard 2011-8-20 856 Yolo NE of Woodland, from intersection of County Roads 102 and 16, E on Rd. 16 to T. Right on Rd. 16A around Gray's Bend about 2 mi to private dirt road on left. Site is just E of Sutter County line. Comment
  UCD125901  Datura ferox A. M. Shapiro 2005-10-18 s.n. Yolo West Sacramento; along service road parallel to railroad tracks; ~0.5 miles west of E. levee of Yolo Bypass. Comment
  UCD126515  Datura ferox Daryl Koutnik; John Sowell 1978-10-27 577 Yolo one mile south of Putah Creek, east of county road 106 and west of Yolo Causeway. 6 Comment
  SEINET212395 Image available Datura stramonium Timothy K. Lowery 1973-8-15 2 Yolo 1/2 m N of Rumsey in a waste field by side of hyw. 16 91 Comment
  UCD126522  Datura stramonium K. Esau 1929-10-1 s. n. Yolo Putah Canyon. Comment
  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
  UCD41093  Daucus N. Nicola 2003-4-22 250 Yolo Eastern foothills if inner north coast range, Capay Valley. Hwy 16, Rd 70, Murphy property. Comment
  LA207397  Delphinium hansenii H. Lewis; Carl Epling 1946-5-5 606 Yolo Bridge 2234, 3.8 mi. W of Winters Comment
  UC1031394  Delphinium hansenii H. Lewis and G. Mehlquist 1941-5-9 Yolo State Hwy 28 3.6 mi w Winters Comment
  LA207394  Delphinium hansenii H. Lewis; G. Mehlquist 1941-9-5 sn Yolo State Highway #28, 3.6 mi. W of Winters Comment
  CHSC100175  Delphinium hesperium subsp. pallescens John Dittes 2007-5-6 1146 Yolo Inner North Coast Range; eastern edge of Vaca Mountains; Audubon Bobcat Ranch; ca.2.7 air miles west by northwest of Winters, ca., 1.1 air mile southwest of confluence of Enos Creek and Dry Creek; ca. 0.7 air mile east x northeast of Grapevine Spring. 97 Comment
  UCD160106  Delphinium hesperium subsp. pallescens Taylor Wolzen 2015-4-12 3 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. 144 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
  CHSC52461  Delphinium patens subsp. patens Keith G. Weinstock 1975-5-4 4 Yolo State Highway 128, 12.6 miles southwest of Road 89 and Road 32 intersection. Comment
  UCD58058  Delphinium patens subsp. patens Ellen Dean; K. Mawdsley 2007-4-6 3598 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
  UCD48151  Delphinium variegatum A. Laffin; S. Holck, A. Randall 2002-4-13 12 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, 9 yards from the N side of the road. 488 Comment
  UCD82327  Delphinium variegatum Robin McMaster 1973-4-15 317 Yolo 7 mi NW Rumsey on Hwy 16. Comment
  CAS-BOT-BC16948  Delphinium variegatum subsp. variegatum Alice Eastwood 1927-3-28 14220 Yolo near Winters Comment
  CHSC79403  Deschampsia danthonioides Beecher Crampton 1955-4-14 2496 Yolo 1 mile south of Dunnigan, along U. S. Highway 99W. Comment
  UCD21248  Deschampsia danthonioides J. Shepard 2000-4-13 132 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. South of entrance road, past parking lots on the south side, ca 50 feet farther south of depressed rectangular area. 12 Comment
  UCD36175  Deschampsia danthonioides Beecher Crampton 1953-3-29 1040 Yolo Yolo County, 1.5 miles north of city of Davis. Comment
  UCD40994  Deschampsia danthonioides Carol W. Witham 2003-4-11 924 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  CHSC117589  Deschampsia elongata B. Castro; Tom Boullion 2009-6-26 1796 Yolo Sacramento Valley. Ca 6 road mi NW of Knights Landing, via Hwy 45, ca 0.5 mi W of 'El Dorado Bend' on topo map, on W bank of the Sacramento River at RM99.5. 8 Comment
  UCD41168  Dianthus barbatus K. Arhangelsky 2002-5-9 206 Yolo Eastern foothills of inner north coast range, Capay Valley. North of Guinda, Rd 43 off Hwy 16; Fullbelly Farm. Comment
  UC143057  Dichelostemma capitatum C. F. Baker 1903-5-7 3072 Yolo Rumsey Comment
  UCD54300  Dichelostemma capitatum A. Laffin; S. Holck, A. Randall 2002-4-13 9 Yolo Yolo County, McLaughlin UC Reserve. W side of Davis Creek Reservoir, alogn road that goes from Soda Spring area to Rayhouse Rd. Ca. 0.5 airline mile due N of Soda Springs and ca. 1.0 airline mile WNW of UC Davis Aquatic Lab facility, south of running stream, 8 yards from the N side of the road. 488 Comment
  CAS-BOT-BC483642  Dichelostemma capitatum Beecher Crampton 1982-3-8 9815 Yolo 5 miles west of Winters Comment
  UCD34200  Dichelostemma capitatum Beecher Crampton 1978-3-16 9550 Yolo Winters, western edge of town. Comment
  UCD139224  Dichelostemma capitatum subsp. capitatum F. W. Hayes 1927-1-30 580 Yolo Putah Canyon. Comment
  UCD160553  Dichelostemma capitatum subsp. capitatum Ellen Dean; Craig Thomsen 2015-3-21 8605 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
  UCR207818  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, E. A. Helmkamp 2009-3-24 14440 Yolo Inner North Coast Ranges, along CA-128, 4.4 miles west of Winters and beside Putah Creek 43 Comment
  SEINET8472346  Dichelostemma capitatum subsp. capitatum G. Cook 1959-3-28 9 Yolo 2 miles E of Winter, along Hwy 128. 152 Comment
  UCD139264  Dichelostemma volubile Mary N. Artist 1965-5-15 19 Yolo north side of State Highway 128, just west of Markley Cove at Lake Berryessa. Comment
  UCD63934  Digitaria ischaemum Beecher Crampton 1953-8-27 1616 Yolo Davis High School, Davis. Comment
  UCD63937  Digitaria ischaemum Beecher Crampton 1953-8-27 1616 Yolo Davis High School, Davis. Comment
  UCD63949  Digitaria ischaemum Beecher Crampton 1956-10-1 3883 Yolo City Hall, Davis. Comment
  SBBG21236  Digitaria sanguinalis B. Crampton 1961-9-15 Yolo University of California Davis campus Comment
  SEINET238877 Image available Digitaria sanguinalis Beecher Crampton 1966-10-11 7812 Yolo UC Davis agronomy field. Comment
  UCD33498  Digitaria sanguinalis Beecher Crampton 1969-7-25 8499 Yolo Yolo County, Davis, Russell blvd. Comment
  UCD63964  Digitaria sanguinalis Beecher Crampton 1972-10-3 8884 Yolo Davis. Comment
  UCD63967  Digitaria sanguinalis C. B. Heiser Jr. 1946-9-3 Yolo Davis. Comment
  UCD64001  Digitaria sanguinalis A. A. Beetle 1942-10-1 1896 Yolo At Davis. Comment
  UCD64004  Digitaria sanguinalis Beecher Crampton 1955-9-29 3162 Yolo U.S. Hwy. 99 W, 1.5 miles north of Davis. Comment
  UCD64155  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
  CHSC57518  Diplacus aurantiacus Steven Triano 1987-4-13 43 Yolo Ca. 37 mi nw of Woodland, ca. 300 ft e of Hwy 16. 167 Comment
  UCD53914  Diplotaxis tenuifolia A. M. Shapiro 2004-10-31 s.n. Yolo Davis, apparently growing as a weed in community gardens opposite 1818 Fifth Street. Comment
  UCD161197  Dipsacus fullonum Jean Shepard 2013-7-6 880 Yolo City of Davis. ENE Wildhorse Golf Course. From intersection of Covell Blvd. and Monarch Ln., about 0.1 mi E and about 0.1 mi N. Comment
  UCD64589  Distichlis spicata Beecher Crampton 1956-7-13 3708 Yolo Yolo Bypass. Comment
  UCD81776  Distichlis spicata Ellen Dean 2009-4-26 5476 Yolo Bobcat Ranch lands to the north of Hwy 128, just east of Monticello Dam. In side canyon that goes east from upper reaches of Bray Canyon. 147 Comment
  UCD64491  Distichlis spicata var. stricta A. A. Beetle 1946-7-13 4716 Yolo Putah Canyon. Comment
  UCD18437  Dittrichia graveolens A. M. Shapiro 1999-10-29 s.n. Yolo West Sacramento, ca. 0.5 km west of Harbor Blvd., north of West Capitol Ave., along jeep trail on south side of railroad embarkment. Comment
  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
  SEINET9340548  Dittrichia graveolens Unknown 2003-12-3 Yolo Yolo Comment
  SEINET8561757  Dodecatheon hendersonii G. Cook 1959-3-27 4 Yolo 5 miles W of Winters along Hwy 128. 305 Comment
  UC1116672  Downingia bicornuta var. bicornuta Beecher Crampton 1960-5-9 5501 Yolo 1.25 mi sw Saxon Station Comment
  UCD144779  Downingia bicornuta var. bicornuta Carol W. Witham 2003-4-7 883 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCR198116  Downingia bicornuta var. picta Beecher Crampton 1978-5-8 9586 Yolo 1 mi south of Saxon Station 5 Comment
  SD27860  Downingia insignis Carl B. Wolf 1928-5-8 2134 Yolo Sacramento Valley, 4.0 miles north of Zamora. 39 Comment
  UCD144781  Downingia insignis Carol W. Witham 2003-4-7 879 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD21391  Downingia insignis J. Shepard 2001-4-27 435 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east 0.5 miles along unpaved entrance road. Then, south about 400 yards in a large vernal pool on east border of of park and Department of Defense land. 12 Comment
  UCD21397  Downingia insignis J. Shepard 2001-5-6 441 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east 0.5 miles along unpaved entrance road. Then, south about 400 yards in the largest vernal pool straddling Department of Defense fence. 12 Comment
  UCD34230  Downingia insignis Beecher Crampton 1978-5-8 9584 Yolo Yolo County, 1/4 mile south of Saxon Station, T7N R3E Sect. 17, N.E. quarter. Comment
  UCD37587  Downingia insignis Beecher Crampton 1955-4-14 2482 Yolo Yolo County, 2 miles south of Zamora, along U.S. Highway 99W. Comment
  UCD55108  Downingia insignis Beecher Crampton 1978-5-8 9584 Yolo Yolo County, 1/4 mile south of Saxon Station, T7N R3E Sect. 17, N.E. quarter. Comment
  UCD55109  Downingia insignis Everett H. Everson 1951-4-19 38 Yolo 8.2 miles southeast of Davis on county road 34A. Comment
  UCD72406  Downingia insignis Ellen Dean; Kate Mawdsley 2008-4-16 4811 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
  RSA654051  Downingia insignis Beecher Crampton 1978-5-8 9584 Yolo 1/4 mile S of Saxon Station. Comment
  UCD33963  Downingia ornatissima var. eximia Beecher Crampton 1975-5-23 9201 Yolo Yolo County, 1 mile S.W. of Saxon Station. Comment
  JEPS108443  Downingia ornatissima var. ornatissima Lisa Schultheis 1995-6-3 204 -95 Yolo Near Madison and Woodland. S side of Rd. 19, .1 mi E from Rd. 96. Comment
  UC1001277  Downingia pulchella W. L. Jepson 1940-5-17 19924 Yolo 7 mi e Davis (Plumtree sta.); Yolo Causeway Comment
  UC66144  Downingia pulchella A. A. Heller and H. E. Brown 1902-4-29 5421 Yolo near Madison Comment
  UCD21259  Downingia pulchella J. Shepard 2000-4-21 148 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, a rectangular depression and open field, all on the south side. South along track through field. At edge of ruts, being driven over. 12 Comment
  UCR225271  Downingia pulchella Ayzik Solomeshch 2009-5-11 s.n. Yolo Yolo Bypass, Glide Ranch 4 Comment
  UCD98718  Dysphania botrys K. Esau 1935-7-4 s.n. Yolo Putah Canyon. Comment
  UCD98769  Dysphania chilensis P. B. Kennedy 1915-1 s.n. Yolo Davis. Comment
  UCD60913  Echinochloa Beecher Crampton 1959-11-2 5468 Yolo Yolo County, 7.5 miles west of city of Davis. Comment
  SBBG21238  Echinochloa colona B. Crampton 1961-7-21 Yolo 2.5 mi W of Davis Comment
  SEINET219764 Image available Echinochloa colona J. McCaskill, M Griggs; WA Harvey 1968-8-1 737 Yolo Weed around Agronomy field plot A-8 ca 1/2 mi E of University Airpost University of California Davis Comment
  UCD37722  Echinochloa colona Beecher Crampton 1961-7-21 5940 Yolo Yolo County, 2.5 miles west of city of Davis, along Russell Boulevard. Comment
  UCD60772  Echinochloa colona Beecher Crampton 1954-9-9 2268 Yolo 2 miles north of Davis. Comment
  UCD60793  Echinochloa colona Beecher Crampton 1961-10-10 6027 Yolo 5 miles west of Davis. Comment
  UCR119169  Echinochloa colona Beecher Crampton 1965-7-7 7437 Yolo Sacramento Valley, Northern city limits of Winters. 30 Comment
  SEINET11685199  Echinochloa colona J. McCaskill, Griggs, M.; Harvey, W. A. 1968-1 737 Yolo ca 0.5 mi E of University Airport, University of California, Davis Comment
  CDA13138  Echinochloa crus-galli G. F. Hrusa 1996-6-24 13073 Yolo North Coast Biodiversity Arena; Along Rd. 102 immed. S of intersection with Gibson Rd. Comment
  SACT001028  Echinochloa crus-galli Brian Brown 1975-10-27 Yolo Semi-moist habitat. Comment
  SBBG115365  Echinochloa crus-galli B. Crampton 1965-7-7 7440 Yolo ca. 8.2 mi W of Winters on Hwy 128, Putah Crk Cyn Comment
  SEINET245835 Image available Echinochloa crus-galli Beecher Crampton 1964-10-14 7219 Yolo UC Daivs agrimony nursery weed Comment
  UCD32951  Echinochloa crus-galli Beecher Crampton 1965-7-27 7472 a Yolo 5.1 miles E of Woodland. Comment
  UCD32954  Echinochloa crus-galli Beecher Crampton 1965-7-27 7473 Yolo Yolo County, 2.5 miles east of Woodland on rd. 102. Comment
  UCD32968  Echinochloa crus-galli Beecher Crampton 1965-8-18 7489 Yolo Road 99E. Comment
  UCD36775  Echinochloa crus-galli Beecher Crampton 1955-8-22 3134 Yolo Yolo County, city of Davis, University of California campus, pomology orchards. Comment
  UCD60827  Echinochloa crus-galli Beecher Crampton 1961-10-25 6037 Yolo 2.5 miles south of Woodland, along County Road 98. Comment
  UCD60840  Echinochloa crus-galli Beecher Crampton 1964-10-14 7219 Yolo UC - Davis, Agronomy Experimental area. Comment
  UCD60903  Echinochloa crus-galli H. R. Drever 1945-6-1 Yolo University of California campus, Davis. Comment
  UCD38762  Echinochloa crus-galli var. mitis Beecher Crampton 1957-11-5 4644 Yolo East of West Davis Elementary School, Davis. Comment
  UCD60812  Echinochloa crus-galli var. mitis Beecher Crampton 1957-11-5 4644 Yolo East of West Davis Elementary School, Davis. Comment
  UCD139526  Echinochloa esculenta Chuck Buckingham 1948-7-24 s.n. Yolo rice field east of the intersection of County Road 35 and 106A. 6 Comment
  HSC101766  Echinochloa muricata var. microstachya J. P. Smith 2011-9-24 13430 Yolo Along State Route 16 west of Esparto 21 Comment
  HSC9657  Echinochloa muricata var. microstachya J. V. Lenz 1947-5-14 Yolo Putah Canyon Comment
  UC735746  Echinodorus berteroi Charles B. Heiser Jr. 1947-7-22 1964 Yolo rice field n. of Davis Comment
  CAS-BOT-BC445583  Echinodorus berteroi Thomas H. Kearney 1950-9-3 s.n. Yolo Flood bed of Putah Creek at Winters Comment
  RSA261480  Echinodorus berteroi Sonia Cook 1972-5-27 s.n. Yolo On N side of Putah Creek, S of Cal Aggie airstrip, University of California at Davis campus. Comment
  UCD131243  Eclipta prostrata K. Esau; K. Hartmann 1941-8-19 s.n. Yolo Knights Landing, U.S. #45. 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
  UCD39914  Ehrharta calycina Beecher Crampton 1964-4-14 s.n. Yolo UC Davis Campus, foundation of Mission. Comment
  UCD36488  Ehrharta erecta Beecher Crampton 1953-10-15 1687 Yolo Yolo County, city of Davis, University of California Agronomy Plots. Comment
  UCD20748  Eleocharis macrostachya E. Dean; with M. Bibbo 2002-7-5 1146 Yolo McLaughlin UC Reserve. Clover Valley, W of main road that goes N-S through valley. 457 Comment
  SEINET238862 Image available Eleusine indica Beecher Crampton 1977-9-8 9524 Yolo Davis UC Davis campus quad lawn. Comment
  UCD61264  Eleusine indica Beecher Crampton 1971-9-7 8757 Yolo University of California Davis Campus. Comment
  UCD61265  Eleusine indica D. H. Hartmann 1941-8-10 Yolo Davis. Comment
  SEINET3929192  Eleusine indica Beecher Crampton 1952-10-3 852 Yolo Yolo County, City of Davis.; 0 Comment
  UCD61235  Eleusine tristachya Jim Sherar 1991-6-1 026 Yolo On the UC Davis Campus, adjacent to the horse pastures along Garrod Drive. Comment
  UCD59375  Elymus glaucus Ellen Dean; Kate Mawdsley 2007-6-8 3850 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 on berm just north of stock pond. 627 Comment
  CAS-BOT-BC234101  Elymus multisetus A. A. Heller 1902-5-21 5577 Yolo Near Madison Comment
  CAS-BOT-BC213816  Elymus repens Beecher Crampton 1962-5-4 6401 Yolo Davis, Southern Pacific RR station Comment
  UCD62559  Elymus repens Beecher Crampton 1955-6-6 2818 Yolo Davis. Comment
  UCD62572  Elymus repens Beecher Crampton 1962-4-18 6229 Yolo Southern Pacific R. R. Station, Davis. Comment
  UCR119163  Elymus repens Beecher Crampton 1962-4-18 6229 Yolo Sacramento Valley, City of Davis, Southern Pacific railroad station 15 Comment
  UCD35647  Elymus trachycaulus var. majus Beecher Crampton 1959-6-10 5349 Yolo North Davis, along County Road 31, just east of its junction with Anderson Road. Comment
  UCD38973  Elymus trachycaulus var. majus Beecher Crampton 1961-6-1 5880 Yolo North city limits Davis, along County Road 31. Comment
  SACT001157  Elymus triticoides 1925-6-15 Yolo no determiner/collector listed. Comment
  UC1151609  Elytrigia repens Beecher Crampton 1962-5-4 6401 Yolo Southern Pacific R.R. station Davis Comment
  UCD168485  Emmenanthe penduliflora Ellen Dean 2017-3-15 9274 Yolo Audubon Bobcat Ranch, lands north of Hwy 128, just east of Monticello Dam. Bray Canyon and vicinity on the western side of ranch. Ranch burned once each year in 2014, 2015, 2016. 2017 has been a high rainfall year. East-facing slopes on west side of lower reaches of Bray Canyon. 176 Comment
  UCD105365  Epilobium brachycarpum G. K. Helmkamp; E. A. Helmkamp 2007-9-17 12970 Yolo Sacramento Valley: along CA-16 at Madison, at junction with County Road-89, about 9 miles west of Brower's Corner in Woodland. 43 Comment
  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
  UCD36091  Epilobium brachycarpum Beecher Crampton 1952-10-12 859 Yolo 5 miles west of city of Davis, on Winters Road. Comment
  UCD55494  Epilobium campestre J. Shepard 2004-6-13 668 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
  UCD73725  Epilobium campestre Ayzik Solomeshch 2004-5-23 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  UCD84312  Epilobium campestre Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCD33960  Epilobium campestre Beecher Crampton 1975-5-23 9198 Yolo Junction of County Roads 38 and 106. Comment
  UCD38279  Epilobium canum Beecher Crampton 1952-10-27 896 Yolo Creek bank leading into Putah Creek, 5 miles west of Winters. Comment
  CAS-BOT-BC166146  Epilobium canum subsp. canum Georgia Bentley 1919-10-1 39 Yolo [Punta] Puntah Creek [Canon] Canyon 15 mi above Winters Comment
  UCD161049  Epilobium canum subsp. canum Craig Thomsen 2006-6-30 2619 Yolo Camp Haswell. West side of Cache Creek. 144 Comment
  RSA96671  Epilobium canum subsp. canum Percy C. Everett, E. K. Balls 1954-10-19 20367 Yolo Cache Creek, 5.8 miles NW of Rumsey on Highway 16 to Madison 152 Comment
  UCD105414  Epilobium canum subsp. latifolium Beecher Crampton 1975-11-18 9338 Yolo Vaca Mountains. Putah Creek Canyon entrance, ca. 6 miles west of Winters. 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
  RSA41104A  Epilobium minutum Robert F. Hoover 1938-4-23 3203 Yolo Grade on Rumsey - Arbuckle Road. Comment
  CAS-BOT-BC57096  Equisetum X ferrissii Clarence R. Quick 1969-6-4 69 -12 Yolo Garden, Merritt Island, near junction of county roads #140 & 142, 3.5 miles south of Clarksburg Comment
  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
  SEINET11614512  Equisetum hyemale subsp. affine Unknown 1997-4-25 5 Yolo 200 m downstream from Monticello Dam along W bank of Putah Creek 150 Comment
  UCD150635  Equisetum hyemale subsp. affine Sandy Pereira 1980-5-24 s.n. Yolo Six miles N of Winters, Putah Creek Fishing [illegible] #5. 121 Comment
  RSA670128  Eragrostis June McCaskill 1976-9-9 s.n. Yolo City of Davis, Front yard of 731 A St. Comment
  UCD18389  Eragrostis June McCaskill 1976-9-9 s.n. Yolo city of Davis, front yard of 731 A Street. Comment
  UCD65699  Eragrostis June McCaskill 1976-9-9 s. n. Yolo city of Davis, front yard of 731 A Street. Comment
  SEINET242440  Eragrostis biflora Beecher Crampton 1963-1-14 1839 Yolo UC Davis Campus, Agronomy Experimental Area, Plant Introduction Nursery Comment
  SBBG26366  Eragrostis cilianensis B. Crampton 1966-10-11 Yolo University of California Davis campus, agronomy field Comment
  UCD149339  Eragrostis cilianensis Carl Schoner 1955-9-1 s.n. Yolo City of Woodland. 25 Comment
  UCD33466  Eragrostis cilianensis Beecher Crampton 1968-9-6 8339 Yolo Yolo County, 3 miles west of Winters on Hwy. 128. Comment
  UCD62940  Eragrostis cilianensis Beecher Crampton 1961-8-29 5972 Yolo 1.5 miles south of Woodland, along County Road 99. Comment
  UCR118792  Eragrostis cilianensis Beecher Crampton 1961-8-29 5972 Yolo Sacramento Valley, 1.5 miles south of Woodland, along County Road 99 15 Comment
Read comments
Jul 3 2008
  UCD63099  Eragrostis curvula Beecher Crampton 1971-9-7 8756 Yolo 1 mile east of Davis (city limits) Covell Blvd. (County Rd. 31). Comment
  CDA31760  Eragrostis hypnoides C. Hardy 5 Oct [year missing] Yolo Woodland 0 Comment
  SEINET4571589  Eragrostis mexicana B. Crampton 1953-10-16 1702 Yolo 4 miles east of city of Davis, along U.S. HWY 40 Comment
  UCD81547  Eragrostis mexicana subsp. virescens W. D. Norton Date Unknown s.n. Yolo Yolo - Nurley Rn. Comment
  UCD63408  Eragrostis minor Beecher Crampton 1953-10-15 1686 Yolo Yolo County, city of Davis, University of California Agronomy Plots. Comment
  UCD63439  Eragrostis minor Collector Unknown 1941-8-1 Yolo Davis. Comment
  UCR119115  Eragrostis orcuttiana Beecher Crampton 1961-11-15 6079 Yolo Sacramento Valley, City of Davis, University of California campus. 15 Comment
  UCD65653  Eragrostis pectinacea var. miserrima Beecher Crampton 1961-8-29 5971 Yolo 1.5 miles south of Woodland, along County Road 99. Comment
  CAS-BOT-BC242654  Eragrostis pectinacea var. pectinacea Beecher Crampton 1953-10-15 1684 Yolo City of Davis, University of California Agronomy Plots Comment
  CHSC59847  Eragrostis pectinacea var. pectinacea J. M. Tucker 1981-7-22 Yolo In a shrubbery planting at the southeast corner of Wellman Hall, University of California, Davis campus. Comment
  UCR118878  Eragrostis pilosa Beecher Crampton 1961-10-25 6033 Yolo Sacramento Valley, 1.5 miles southwest of Woodland, along County Road 98. 30 Comment
  UCD37498  Eragrostis tef Beecher Crampton 1960-9-21 5781 Yolo Yolo County, city of Davis, University of California Agronomy Plots. Comment
  UCR119123  Eragrostis tef Beecher Crampton 1960-9-21 5781 Yolo Sacramento Valley, City of Davis. University of California Agronomy plots. 15 Comment
  UC1153798  Eragrostis trichodes Beecher Crampton 1957-8-19 Yolo Agronomy Experimental Areas Davis Campus Comment
  UCR206547  Ericameria linearifolia George K. Helmkamp, E. A. Helmkamp 2009-3-17 14404 Yolo Inner North Coast Ranges Foothills, along CA-20 and Cache Creek, 4.3 miles southeast of the Colusa County line 159 Comment
  UCD151019  Erigeron bonariensis D. S. Park 2010-5-28 99 Yolo UCD, east of Science Lecture Bldg. 10 Comment
  UCD159455  Erigeron canadensis D. S. Park 2010-8-5 209 -2 Yolo North Davis. Along W Covell Blvd. Roadside, disturbed. Outskirts of agricultural field. Growing in ditch. 17 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
  UCD21342  Erigeron sumatrensis J. Shepard 2000-9-17 340 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 and manager's residence, on the north side of the road. 12 Comment
  CHSC79409  Eriochloa Beecher Crampton 1955-8-22 3136 Yolo Agronomy experimental plots, UC Davis campus. Comment
  CAS-BOT-BC278501  Eriochloa contracta Beecher Crampton 1955-9-6 3148 Yolo Along County Road 29, about 5 miles northwest of Davis Comment
  UCD65723  Eriochloa contracta Beecher Crampton 1962-10-30 6708 Yolo 2 miles north Davis. Comment
  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
  SD22310  Eriogonum dasyanthemum Rowena Beans 1913-10-9 Yolo Guinda Comment
  UC1229890  Eriogonum nudum var. pubiflorum Jerry Powell 1962-8-16 305 Yolo ca. 4 mi w Winters (just s of Putah Creek) Comment
  JEPS34591  Eriophyllum lanatum var. achilleoides E. V. Ferguson 1920-5-15 339 Yolo Putah Creek Putah Creek (w Yolo Co.) Comment
  JEPS34647  Eriophyllum lanatum var. achilleoides W. L. Jepson 1920-5-23 8958 Yolo near Hershey (Buckeye Creek, w Yolo Co.); Buckeye Creek Comment
  UCD132198  Eriophyllum lanatum var. achilleoides Joseph M. DiTomaso 1976-4-9 405 Yolo below Monticello Dam at Lake Berryessa, above Putah Creek. 121 Comment
  UCD59321  Eriophyllum lanatum var. achilleoides Ellen Dean; Kate Mawdsley 2007-5-11 3745 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
  UCD21261  Erodium botrys J. Shepard 2000-4-30 151 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, on the south side, beyond parking lots on south side, in a rectangular depressed area. 12 Comment
  UCD58034  Erodium botrys Ellen Dean; K. Mawdsley 2007-4-6 3573 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 442 Comment
  UCD103121  Erodium brachycarpum Beecher Crampton 1960-4-26 5487 Yolo Davis, along the railroad. Comment
  UCD103139  Erodium brachycarpum J. M. Tucker 1951-2-22 2030 Yolo Beside road along railroad to Woodland, ca. 1 mile north of Davis. Comment
  SFV1981  Erodium cicutarium J. M. Tucker 1951-2-22 2031 Yolo Sacramento Valley Beside road along railroad to Woodland, about 1 mile north of Davis. 15 Comment
  UCD103164  Erodium cicutarium Edward J. Hall 1951-3-22 2 Yolo 1 mile east of Cannon Ball, Putah Canyon. Comment
  UCD19447  Erodium cicutarium J. Shepard 2000-2-18 39 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; in open field on south side of road. 12 Comment
  UCD103241  Erodium cicutarium Joy Woo 1989-4-18 s.n. Yolo Along H Street. Comment
  UCD82324  Erodium cicutarium Robin McMaster 1973-4-15 312 Yolo 3 mi NW Rumsey on Hwy 16. 152 Comment
  UCD114821  Eruca vesicaria subsp. sativa R. Tofsrud 1948-1 s.n. Yolo Agronomy Experimental Areas, UC Davis Campus. Comment
  UCD55495  Eryngium aristulatum J. Shepard 2004-6-13 669 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
  UCR198242  Eryngium aristulatum Dean Kelch 2007-5-18 07 .320 Yolo Yolo Causeway, 0.4 mi east of Levee Road/RR Crossing 4 Comment
  OBI36649  Eryngium castrense A. C. Sanders 1984-6-18 5063 Yolo Sacramento bypass near Bryte, just nw of Sacramento, bed of the bypass 1 mile w of the Sacramento river 5 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
  SEINET5729534 Image available Erysimum capitatum Robert A. Christison 1960-1 35 Yolo 0.5 miles past Boy Scout cabin on Highway 16.; Davis 46 Comment
  UCD114839  Erysimum capitatum var. capitatum Ogden C. Riddle 1942-3-29 29 Yolo across creek north of 'cannon ball,' Putah Creek. Comment
  SEINET8235428  Erythranthe latidens Carl Epling 1951-4-22 37 Yolo beside Road 29, 5 miles west of Highway 99W. 15 Comment
  UCD94049  Eschscholzia caespitosa Shannon M. Still 2006-3-23 55 Yolo California. Yolo County: CA-128 approx. 5 mi W of Winters, CA. 54 Comment
  UCD95248  Eschscholzia caespitosa D. C. Finfrock 1950-3-26 8 Yolo Putah Canyon. Comment
  UCD18493  Eschscholzia californica C. P. Pease 1995-5-16 s.n. Yolo city of Davis, east side of UCD campus, Experimental College gardens. 16 Comment
  UCD94058  Eschscholzia californica Shannon M. Still 2006-3-23 65 Yolo California. Yolo County: North side of Co. Rd. 19. 38 Comment
  UCD95346  Eschscholzia californica M. Wiesendanger 1927-4-29 s.n. Yolo Capay. Comment
  UCR235412  Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2012-4-17 18787 Yolo Sacramento Valley, along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland 65 Comment
  CAS-BOT-BC402936  Eschscholzia californica A. A. Heller 1928-5-12 14556 Yolo Along the highway two miles north of Yolo Comment
  CDA24557  Eschscholzia californica R. E. Skaggs 1962-4-17 Yolo On railroad right of way, 1st & G Streets, Davis. 0 Comment
  RSA785385  Eschscholzia californica Lois Weston 1942-4-7 1159 Yolo University campus, Davis. Comment
  SEINET5718778 Image available Eschscholzia californica Yee Verna 1974-1 29 Yolo East Eighth Avenue at Pole Line Road, Davis.; Davis Comment
  UCD15552  Eschscholzia californica Lara Hawthorne 1989-6-3 19 Yolo UC Davis, Experimental Gardens. 15 Comment
  UCD95310  Eschscholzia californica L. G. Goar 1930-4-16 s.n. Yolo Davis. Comment
  UCD34199  Eschscholzia lobbii Beecher Crampton 1978-3-16 9549 Yolo Yolo County, 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
  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
  UCD73401  Eucrypta chrysanthemifolia var. chrysanthemifolia Ellen Dean; Vance Russell 2008-4-1 4690 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on west side of Putah Creek, downstream of Monticello Dam. West side of Bray Canyon. 77 Comment
  UCR228276  Eucrypta chrysanthemifolia var. chrysanthemifolia Ellen Dean, Vance Russell 2008-4-1 4690 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on west side of Putah Creek, downstream of Monticelllo Dam, west side of Bray Canyon 78 Comment
  UCD18304  Euonymus japonica Marcel Rejmanek 2001-6-11 s.n. Yolo city of Davis, downtown, 2nd and E Sts. Comment
  UCD142636  Euphorbia nutans June McCaskill 1967-6-11 727 Yolo Davis, just north of 38 College Park. 15 Comment
  UCD33840  Euphorbia nutans Beecher Crampton 1973-9-12 9000 Yolo Davis. Comment
  UCD142473  Euphorbia peplus J. M. Tucker 1951-2-25 2042 Yolo University of California campus, Davis; Landscape Gardening lathhouse. Comment
  UCD161052  Euphorbia serpillifolia Craig Thomsen 2006-6-30 2614 Yolo Camp Haswell. West side of Cache Creek. 144 Comment
  UCD38286  Euphorbia serpillifolia B. Crampton 1952-10-28 891 Yolo 5 miles west of Winters. Comment
  UCD132332  Euthamia occidentalis Daryl Koutnik; John Sowell 1978-10-27 574 Yolo Putah Creek, east of County Road 106 and west of Yolo Causeway. 6 Comment
  UCD37758  Euthamia occidentalis Beecher Crampton 1961-10-25 6040 Yolo 4 miles NW of Bryte, Yolo Bypass, S of Todhunter's Lake. Comment
  UCD98878  Fallopia convolvulus Collector unknown 1966-6-3 s.n. Yolo Agronomy, UC-Davis Campus. Comment
  SEINET240477 Image available Festuca mairei Beecher Crampton 1959-5-31 T.O. 2443 Yolo CULTIVATED; UC Davis agronomy experimental area, plant introduction nursery, row G-44 Comment
  UCR119116  Festuca microstachys Beecher Crampton 1958-4-21 4724 Yolo Vaca Mountains, At the border with Colusa County line, 7.4 miles northwest of Rumsey. Hwy. 16, near jct. of Bear Crk. with Cache Crk. 198 Comment
  UCR235413  Festuca myuros var. hirsuta George K. Helmkamp, E. A. Helmkamp 2012-4-17 18788 Yolo Sacramento Valley, along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland 65 Comment
  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
  UCD66386  Festuca rubra D. C. Sumner 1956-5-25 Yolo Agronomy Division Grass Garden, Davis. Comment
  UCD81008  Ficus carica Jose-Luis Rayas; with PLB 102 students 2009-4-26 1 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. In creekbed. 71 Comment
  SEINET9334052  Foeniculum vulgare Unknown 1988-8-20 18612 Yolo Surely one of the most common weeds of Northern California; along Putah Creek beside CA 128, below Berryessa Lake, at Fishing Area #5. UC Davis Herbarium, The Beecher Crampton Herbarium Collection Comment
  UCD20581  Frangula californica subsp. tomentella E. Dean; with M. Bibbo 2002-7-5 1124 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 2.5 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 518 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
  UC917211  Frankenia salina J. D. Skoss 1948-6-5 10 Yolo 3 mi n Davis (toward Woodland) Comment
  UCD120210  Frankenia salina Ellen Dean 2012-4-19 7324 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
  UCD81020  Frankenia salina Ellen Dean; D. Bales, M. Krug, L. Snyder, D. Dhakal, A. Franco 2009-4-1 5361 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Western side of property, near Mavis Henson sign. 9 Comment
  UCD48064  Fraxinus dipetala A. Laffin; S. Holck, A. Randall 2002-4-13 17 Yolo Yolo County, McLaughlin Reservoir. W side of Davis Creek Reservoir, along road that goes from Soda Spring area to Rayhouse Rd. Ca. 0.5 airline mile due N of Soda Springs and ca. 1.0 airline mile WNW of UC Davis Aquatic Lab facility. 488 Comment
  CDA39692  Fraxinus dipetala B. Cowley Apr 1949 s.n. Yolo Cache Creek, Capay Valley. 0 Comment
  UCD122051  Fraxinus latifolia Cay Collette 1975-5-31 23 Yolo Knight's Landing, 15' from Sacramento River. 15 Comment
  UCD141672  Fraxinus latifolia Ellen Dean; M. Taylor 2013-6-18 7795 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
  RSA25833  Fremontodendron californicum Carl B. Wolf 1941-7-18 11025 Yolo 3 mi. east of Reiff P.O. on Rd. to Reed Mine ( on Knoxville-Rumsey Rd.) 549 Comment
  UC672100  Fritillaria pluriflora Guy Smith 1932-4-1 Yolo hills w of Winters 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
  CAS-BOT-BC422473  Fumaria parviflora Hardy 1935-4-22 s.n. Yolo Near Woodland Comment
  UCD132361  Galinsoga quadriradiata Walter Green 1984-2-6 s.n. Yolo UC Agronomy field. Comment
  JEPS52811  Galium andrewsii subsp. intermedium G. L. Stebbins Jr. 1966-2-22 6307 Yolo n side Cache Creek Canyon (near mt summit); Glasscock Mountain 670 Comment
  UCR119090  Galium aparine Beecher Crampton 1962-4-2 6106 Yolo Sacramento Valley, 2 miles west of Winters, county road 89 59 Comment
  UCD121718  Galium aparine Jack Maze 1963-3-8 1 Yolo ca. 3 1/2 miles east of Monticello Dam on State Highway 128. Comment
  UCD37789  Galium aparine Beecher Crampton 1962-4-2 6106 Yolo Yolo County, 2 miles west of Winters, Road 89. Comment
  JEPS52649  Galium bolanderi Lauramay T. Dempster and G. L. Stebbins 1965-5-23 4107 Yolo 1 mi se Colusa Co. line (along Hwy 16); Cache Creek 182 Comment
  UCR198146  Galium porrigens Ellen Dean, Mark Bibbo 2007-3-23 3408 Yolo Inner Coast Range, Tuleyome Ireland Ranch, northwest of the city of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain, southwest portion of ranch 649 Comment
  UCD160177  Galium porrigens var. porrigens Leonardo Tuchman 2015-4-12 4 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. 131 Comment
  CDA42208  Galium tricornutum Wm. Comfort 1972-5-8 s.n. Yolo County Road 80, Brooks. 0 Comment
  UCD20551  Garrya elliptica Pat Sullivan 1981-1-30 HN 6 Yolo Davis, UC Davis. Comment
  UCD22754  Genista lydia Collector unknown 1988-2-11 s.n. Yolo Environmental Horticulture building. Comment
  UCD20374  Genista monosperma K. Esau 1932-3-10 s. n. Yolo Yolo County, UC Davis Campus. Comment
  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
  UCD164656  Geranium bicknellii Henry House 1995-5-27 1995- 27 Yolo Approximately 5.5 km north of the latitude of Winters, about 1.25 km west of Road 89, on the high side of the Winters Canal. Comment
  RSA696389  Geranium dissectum Keith E. Hoffmaster 1939-4-26 945 Yolo Putah Canyon. 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
  UCD103327  Geranium dissectum Beecher Crampton 1970-5-13 8592 Yolo Davis. Comment
  CDA23033  Geranium molle D. G. Kelch 2008-2-29 08 .016-B Yolo Winters. USDA Germplasm Center. Comment
  UCD103407  Geranium molle Beecher Crampton 1954-5-6 1829 Yolo Hwy 128, Putah Canyon, 9 miles west of Winters. Comment
  UCD70205  Gilia capitata D. Sanchez-Mata 1998-6-24 s.n. Yolo Rumsey. Cache Creek Ridge. Cache Creek Canyon Regional Park. Dense chamise chaparral (Adenostomion fasciculatae Rivas-Martinez 1997). 210 Comment
  SEINET12532295 Image available Gilia scopulorum A. A. Heller 1940-1 15838 Yolo Along U.S. Highway 99 N, and in adjoining fields between Zamora and Dunnigan. Upper Sonoran Life Zone. Comment
  UCD56720  Gilia tricolor Ellen Dean; M. Bibbo 2007-3-23 3413 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SW portion of ranch. 703 Comment
  UCD117961  Gilia tricolor Ogden C. Riddle 1942-3-29 32 Yolo Hill across creek north of 'cannon ball,' Putah Creek. Comment
  UCD39506  Gilia tricolor Beecher Crampton 1982-3-8 9816 Yolo California. Yolo County, 5 miles west of Winters. Comment
  UCR207816  Gilia tricolor subsp. tricolor George K. Helmkamp, E. A. Helmkamp 2009-3-24 14438 Yolo Inner North Coast Ranges, along CA-128, 4.4 miles west of Winters and beside Putah Creek 43 Comment
  SEINET952123  Gleditsia triacanthos June McCaskill 1957-1 541 Yolo University of California, Davis. Comment
  SEINET242449 Image available Glyceria declinata Beecher Crampton 1954-4-15 T.O. 2243 Yolo CULTIVATED; UC Davis agronomy experimental area, plant introduction nursery Comment
  CDA38730  Glycyrrhiza glabra E. Dean, T. Starbuck 2011-8-21 7210 Yolo City of Davis. At SW corner of intersection of Cowell Blvd. and Drummond Ave. On south side of Hwy 80. 0 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
  SEINET952189  Glycyrrhiza lepidota var. glutinosa P. B. Kennedy 1920-1 Yolo Hoeland Land co. Clarlssburg- Sacramento River Comment
  UCD23202  Grindelia camporum A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCD73121  Grindelia camporum Ayzik Solomeshch 2003-6-1 s. n. Yolo Department of Fish and Game Glide Tule Ranch, about 8 mi. southeast of Davis. 6 Comment
  UCR36583  Grindelia camporum A. C. Sanders 1984-6-18 5057 Yolo Sacramento Valley, Sacramento Bypass near Bryte, just NW of Sacramento, bed of the bypass 1 mi west of the Sacramento River 5 Comment
  CDA32972  Grindelia camporum Dave Minnesang & Phyllis Hiatt 1979-6-7 Yolo South of Davis on Road 106; Glides Tule Ranch. 0 Comment
  UCD132744  Helenium puberulum A. S. Crafts 1926-7-8 455 Yolo University Farm Campus, Davis. 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
  CDA6203  Helianthus annuus T. C. Fuller 1965-7-23 13851 Yolo On berm at base of north levee for 0.1 mile in Sacramento Bypass, 0.1 mile west of weir, 1 mile northwest of Bryte. 0 Comment
  UCD132792  Helianthus annuus B. Crampton 1957-10-30 s.n. Yolo Agronomy Experimental Areas, Davis Campus. Comment
  UCD132793  Helianthus annuus Beecher Crampton 1973-10-16 9027 Yolo Winters, 1 mile west of Orchard area. Comment
  UCD132930  Helianthus annuus Chas. Hardy 1933-8-25 s.n. Yolo near Woodland. Comment
  JEPS41111  Helianthus bolanderi Rimo Bacigalupi, L. R. Heckard, and C. L. Custer 1965-10-4 9122 Yolo 1 1/8 mi ene Woodland (along Kentucky Ave. (Road 20), ca 1/4 mi n of Sewage Disposal Plant) 10 Comment
  SEINET9330527  Helianthus bolanderi Unknown 1953-9-30 1626 Yolo 1 mi N of city of Davis, along RR. UC Davis Herbarium, The Beecher Crampton Herbarium Collection Comment
  UCD36458  Helianthus bolanderi Beecher Crampton 1953-9-30 1626 Yolo 1 mile north of city of Davis, along railroad. Comment
  UC735729  Heliotropium curassavicum Charles B. Heiser Jr. 1947-6-1 1925 Yolo R.R. right-of-way Davis 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
  UCD33994  Heliotropium curassavicum var. oculatum Beecher Crampton 1975-7-7 9236 Yolo Yolo County, Davis, F st. adjacent to little league baseball diamond. Comment
  RSA523922  Heliotropium europaeum Barbara Ertter 1988-10-21 7983 Yolo Cache Creek at Rd 89 crossing just W of I-505, E of Gravel pits 1.5 mi N of Madison, ca 10 air miles W of Woodland, SacramentoValley. 37 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
  UCD119455  Heliotropium europaeum Barbara Ertter 1988-10-21 7983 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
  UCD132027  Helminthotheca echioides Beecher Crampton 1957-10-25 4637 Yolo West Sacramento, along the US Hwy. 40 freeway. 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
  JEPS81969  Hemizonia congesta subsp. luzulifolia Rimo Bacigalupi with L. R. Heckard and C. L. Custer 1965-10-4 9119 Yolo 1.8 mi ene (measured from US 99W) Woodland (fields adjacent to air strip (landing field) and sewage disposal (treatment) plant) 10 Comment
  UCD20592  Hemizonia congesta subsp. luzulifolia E. Dean; with M. Bibbo 2002-7-5 1135 Yolo Just E of McLaughlin UC Reserve. N side of Davis Creek Resevoir. 457 Comment
  UCD21192  Hemizonia congesta subsp. luzulifolia J. Shepard 1999-8-10 16 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
  UCD21330  Hemizonia congesta subsp. luzulifolia J. Shepard 2000-6-9 302 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road nearly to Air Force facility boundary and thence south in field. 12 Comment
  UCR220395  Hemizonia congesta subsp. luzulifolia Jean V. Shepard 2000-6-9 302 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 nearly to Air Force facility boundary and south 12 Comment
  UCD133000  Hemizonia congesta subsp. luzulifolia Wm. E. Moon 1961-10-27 s.n. Yolo ca. 7 miles west of Davis. County Road 95. Wm. E. Moon Ranch. Comment
  UCR220398  Hemizonia fitchii Jean V. Shepard 2000-8-26 336 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, from intersection of I-80 and Mace Blvd., 3.5 miles south on Mace Blvd. (County Rd 104), east along unpaved entrance road, south side between road and parking lot 12 Comment
  UCR262437  Hemizonia parryi subsp. parryi George K. Helmkamp, E. A. Helmkamp 2011-12-7 18499 Yolo Southern Sacramento Valley, midway between Davis and Sacramento along Hwy 80, between Chiles Road (County Road 32B) and Levee Road, west edge of Yolo Bypass Wildlife Area 11 Comment
  RSA0089366  Hemizonia pungens Tom Kearney 1973-3-12 s.n. Yolo West side of Sacramento River, about 5 miles north of Knights Landing. Comment
  POM215221  Hemizonia pungens subsp. pungens D. D. Keck 1933-10-28 2591 Yolo 0.5 mile E of Yolo Causeway, 3 miles W of Sacramento River. Comment
  UCD169009  Herniaria hirsuta var. cinerea Ellen Dean; E. Moores and M. Hoshovsky 2017-4-7 9312 Yolo Audubon Bobcat Ranch. Lands to the north of Hwy 128, northwest of ranch headquarters. On north side of undeveloped road, near stock pond, beneath Rattlesnake Rock. Area has burned three times in the last three years. 262 Comment
  JEPS29502  Hesperevax acaulis var. robustior R. F. Hoover 1938-4-23 3188 Yolo grade on Rumsey-Arbuckle Road Comment
  SBBG50766  Heteromeles arbutifolia J. Kruse 1969-5-28 29 Yolo jct of Pleasants Valley Rd and Putah Crk Rd; 10 mi W of Davis 76 Comment
  UCD15546  Heteromeles arbutifolia Lara Hawthorne 1989-6-3 13 Yolo Hwy 128 near Stebbins Reserve. Comment
  UCD160171  Heteromeles arbutifolia Laura Losmozos 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. Along undeveloped road near stock pond. 202 Comment
  RSA0072480  Heteromeles arbutifolia Glenn A. Gorelick 1965-10-3 s.n. Yolo Davis. Comment
  JEPS2481  Heterotheca oregona var. scaberrima W. L. Jepson 1887-9-17 14677 Yolo near Winters; Putah Creek Comment
  UCD133013  Heterotheca oregona var. scaberrima K. Esau; E. H. Hyde 1935-8-23 s.n. Yolo Putah Canyon. Comment
  UCD82164  Hirschfeldia incana J. Shepard 2000-6-30 320 Yolo South of Davis, along Mace Blvd. (County Road 104), south of Putah Creek. 12 Comment
  UCD20596  Hoita macrostachya E. Dean; with M. Bibbo 2002-7-5 1139 Yolo McLaughlin UC Reserve. 0.6 road miles S of Rayhouse Road reserve gate, along road to Soda Springs. 487 Comment
  UCD96936  Hoita macrostachya Ellen Dean; C. Loughran, A. Fuller 2011-5-8 7002 Yolo Yolo County. Audubon Bobcat Ranch. Lands to the north of Hwy 128, just E of Monticello Dam. Bray Canyon. Lower reaches of canyon in rocks of creek. Comment
  UCD84880  Holcus mollis Beecher Crampton 1969-6-17 8456 Yolo Davis. 14th X Eureka aves. Comment
  CAS-BOT-BC320311  Holocarpha virgata Roxana Stinchfield 1916-6-26 347 Yolo D'Oyly Sheep ranch Comment
  UCD147290  Hordeum brachyantherum Carol W. Witham 2003-4-11 949 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD85483  Hordeum brachyantherum M. Wiesendanger 1927-5-4 654 Yolo Putah Canyon. Comment
  CAS-BOT-BC285014  Hordeum depressum Peter H. Raven 1955-4-17 8279 Yolo Davis Comment
  UCD37596  Hordeum depressum Beecher Crampton 1955-4-14 2497 Yolo 1 mile south of Dunnigan, along U.S. Highway 99W. Comment
  UCD80902  Hordeum depressum Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5306 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
  UCD85600  Hordeum depressum Beecher Crampton 1954-3-23 1748 Yolo 1.5 miles north of Davis. Comment
  UCD85610  Hordeum depressum Beecher Crampton 1962-5-1 6358 Yolo Saxon Station, northern R.R. 7 miles southeast of Davis (in direct line.) Comment
  UCD85633  Hordeum depressum R. Tofsrud 1949-4-1 s.n. Yolo Davis Railroad Tower. Comment
  UCR151568  Hordeum depressum Beecher Crampton 1954-4-1 1749 Yolo 2 mi N of city of Davis Comment
  UCD85764  Hordeum jubatum R. Tofsrud 1948-9-1 s.n. Yolo Davis. Railroad Junction. 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
  SBBG115654  Hordeum marinum subsp. gussoneanum B. Crampton 1964-4-7 6919 Yolo ca. 2 mi N of Davis, City Dump Comment
  UCD21272  Hordeum marinum subsp. gussoneanum J. Shepard 2000-5-1 163 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
  UCD21400  Hordeum marinum subsp. gussoneanum J. Shepard 2001-5-6 444 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east 0.1 miles along unpaved entrance road, on the north side. Growing in the Soaring Society field. 12 Comment
  UCR220388  Hordeum marinum subsp. gussoneanum Jean V. Shepard 2000-5-1 163 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, 4 mi south on Mace Blvd. (Co. Road 104) from intersection of Hwy I-80 and Mace Blvd., east along unpaved entrance road, straight to east boundary of park south of track in field 12 Comment
  SEINET10611058  Hordeum marinum subsp. gussoneanum A. Arthur Heller 1902-4-30 Heller 5422 Yolo Black's. Comment
  UCD85933  Hordeum murinum C. G. Baughn 1949-5-15 42 Yolo Davis. Comment
  UCD86453  Hordeum murinum W. R. Russell 1947-4-12 86 Yolo UC Davis. Roadside Comment
  RSA0018629  Hordeum murinum Keith E. Hoffmaster 1946-4-15 1071 Yolo Davis. Comment
  UCD58089  Hordeum murinum subsp. glaucum Ellen Dean; K. Mawdsley 2007-4-6 3628 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Southern/central part of ranch. 537 Comment
  UCD86474  Hordeum murinum subsp. glaucum R. Tofsrud 1949-4-1 s.n. Yolo Davis. Comment
  CDA30736  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
  RSA734063  Hordeum murinum subsp. leporinum Beecher Crampton 1963-3-2 6712 Yolo UCD. campus. Dormitory-orchard area. Comment
  UCD35376  Hordeum murinum subsp. leporinum Beecher Crampton 1956-3-30 3237 Yolo Davis. Comment
  UCD36326  Hordeum murinum subsp. leporinum Beecher Crampton 1953-5-26 1343 Yolo Davis. Vacant lot. Comment
  UCD86137  Hordeum murinum subsp. leporinum Beecher Crampton 1953-5-26 1344 Yolo Davis. Vacant lot. Comment
  UCD86466  Hordeum murinum subsp. leporinum P. Stern 1988-4-30 6 Yolo Davis. In waste places, fields, and roadsides. Comment
  UCR118793  Hordeum murinum subsp. leporinum Beecher Crampton 1953-3-17 1010 Yolo Sacramento Valley, city of Davis, vacant lot along B Street 15 Comment
  UCD14597  Hordeum stebbinsii Wendy Weber 1989-6-10 22 Yolo Davis, at the east end of Loyola Road, 1/4 mile north along a drainage ditch, near 'Anderson Ranch. 13 Comment
  CDA18905  Hypericum perforatum J. Young 2000-5-31 PDR 050401 Yolo Sacramento Valley; near the River Rd. and I-5, West Sacramento. 0 Comment
  CAS-BOT-BC508355  Ipheion June McCaskill; W. A. Harvey; Katherine Onaga 1965-3-31 696 Yolo 316 C Street, Davis Comment
  RSA398416  Ipomoea purpurea Glenn A. Gorelick 1966-6-1 s.n. Yolo 4181/2 2nd St., Davis Comment
  UC1245138  Ipomoea triloba June McCaskill 1959-2-19 589 Yolo grown Botany Dept greenhouse, University of California, Davis Botany Dept greenhouse, University of California, Davis; grown Botany Dept greenhouse, University of California, Davi Comment
  SEINET832095  Ipomopsis aggregata June McCaskill 1960-1 614 Yolo Climbing up post on N. side of house, 815 E. 9th Street, Davis Comment
  CAS-BOT-BC88641  Isatis tinctoria B. Crampton 1955-4-14 2499 Yolo Along road shoulder of US Highway 99 west of Zamora. Comment
  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
  SACT002741  Juglans californica S. Gossard 1974-4-18 Yolo Waldorf School, American River, California Comment
  SFV842  Juglans californica var. hindsii L. B. Hendrix 1962-4-28 27 Yolo Sacramento Valley Davis. University of California campus. Comment
  UC1350118  Juglans californica var. hindsii D. E. Stone 1964-8-4 1775 Yolo on CA 16 at Elkhorn Ferry (near Sacramento River, 7.5 mi e of Woodland) Comment
  HSC62859  Juglans hindsii J. M. DiTomaso 1979-5-12 993 Yolo Next to Putah Creek below Monticello Dam 91 Comment
  UCD110270  Juglans hindsii Lynn. M. Holstein 1979-5-18 3 Yolo Corner of 5th and Pole line Rd. Comment
  UCD142934  Juglans hindsii Ellen Dean; T. Starbuck 2013-10-5 8002 Yolo North side of Putah Creek, west of the Yolo Bypass at Los Rios Farms. Northeast of the intersection of County Roads 35 and 106. Along dirt road in Los Rios Farms bordering Department of Fish and Wildlife lands. 4 Comment
  UCD143938  Juglans hindsii Ellen Dean; T. Starbuck 2013-10-5 8001 Yolo North side of Putah Creek, west of the Yolo Bypass at Los Rios Farms. Northeast of the intersection of County Roads 35 and 106. Along dirt road on edge of agricultural fields. In Putah Creek vegetation survey plot Putah Creek Sinks #3D. 4 Comment
  UCR106831  Juglans hindsii Laurie E. Miller 1974-4-21 130 Yolo Sacramento Valley, along Putah Creek, across from University of California, Davis Aquatic Pest Research Center Lab Comment
  RSA733712  Juncus Keith E. Hoffmaster 1939-4-15 924 Yolo Davis, 1 mi. north. Comment
  UCR37022  Juncus arcticus A. C. Sanders 1984-6-18 5065 Yolo Sacramento Valley, Sacramento Bypass near Bryte, just NW of Sacramento, bed of the bypass 1 mi west of the Sacramento River 5 Comment
  UC1543158  Juncus balticus Charlotte G. Nast 1936-4-17 133 Yolo n of Davis (Woodland highway) Comment
  SEINET8563433 Image available Juncus balticus Everett H. Everson 1951-4-19 33 Yolo Sacramento River, 9.4 miles southeast of Davis on county road 34A Comment
  UCD141352  Juncus balticus subsp. ater M. Wiesendanger 1927-4-29 631 Yolo Madison. Comment
  UCD141326  Juncus balticus subsp. ater Everett H. Everson 1951-4-19 33 Yolo Sacramento River, 9.4 miles southeast of Davis on county road34A. Comment
  UCD147179  Juncus bufonius Carol W. Witham 2003-4-9 910 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD21537  Juncus bufonius J. Shepard 2000-5-8 234 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
  SEINET6333695  Juncus bufonius B. 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
  UCD141391  Juncus bufonius Fleur Ng'weno 1989-5-8 DQ 45 Yolo D-Q University County Road 31, 9 mi. west of Davis city center. 29 Comment
  UC142116  Juncus oxymeris A. A. Heller 1902-5-21 5574 Yolo near Madison Comment
  SEINET6174904  Juncus oxymeris A. A. Heller 1902-5-21 5574 Yolo Near Madison Comment
  UCD141755  Juncus patens H. A. Borthwick 1925-5-25 1797 Yolo Putah Canyon. 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
  UCD40991  Juncus uncialis Carol W. Witham 2003-4-11 921 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD73097  Juncus xiphioides Ellen Dean; Susan Xhang, Christa Lindsey, Chris Mosser 2008-5-3 4890 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Along small tributary that feeds Bray Creek, west side of Bray Canyon. 100 Comment
  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
  UC1745988  Keckiella corymbosa Annetta M. Carter and Louise Kellogg 1953-6-20 3238 Yolo Cache Creek, 4 mi. N of Rumsey. 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
  JEPS11335  Kickxia elatine C. J. Weisendanger Aug 1915 Yolo near Davis (banks of Putah Creek); Putah Creek Comment
  UCD70768  Kickxia elatine J. Shepard 1998-8-20 5 Yolo City of Davis, intersection of W. Eighth and Eureka, SE corner. Vacant lot, unirrigated. Prostrate, much branched, spreading herb. Flower 2-lipped, 2 petals above deep purple, joined; three petals below yellow, joined, extending to a spur at the base. Four stamens, anthers U-shaped. Seeds numerous, dark, deeply pitted. Associates: Avena, Cynodon dactylon. Comment
  UCR119131  Kickxia elatine Beecher Crampton 1952-10-12 863 Yolo Sacramento Valley, City of Davis, in walkway along Putah Creek. 15 Comment
  UCR5801  Kickxia elatine O. F. Clarke 1966-8-5 660805- 01 Yolo Davis Comment
  UCD123833  Kickxia elatine Beecher Crampton 1952-10-12 863 Yolo Yolo County, city of Davis, in walkway along Putah Creek. Comment
  UCD36095  Kickxia elatine Beecher Crampton 1952-10-12 863 Yolo Yolo County, city of Davis, in walkway along Putah Creek. Comment
  UC1183412  Kochia scoparia June McCaskill and Katherine Onaga 1960-9-29 609 Yolo behind Boy Scout Cabin at 1st. St. and Richards Blvd., beside R.R. maintenance crew shack Davbis Comment
  UCD99039  Kochia scoparia subsp. scoparia Bryant Washburn 1981-7-7 s.n. Yolo Interstate Highway 80, just west of Yolo Bypass, ca. 7 miles east of Davis. Comment
  UCR118991  Koeleria gerardi Beecher Crampton 1965-4-27 7298 Yolo Sacramento Valley, 2 miles northwest of Dunnigan; county road between forks of Buckeye Creek. 14.5 Miles north of Copay 30 Comment
  SBBG26328  Koeleria phleoides B. Crampton 1965-4-27 7298 Yolo 3 mi NW of Dunnigan Comment
  UCD159422  Lactuca serriola D. S. Park 2010-7-14 181 Yolo UC Davis campus, east of Science Lecture Bldg. 10 Comment
  UCD80975  Lactuca serriola Ellen Dean; R. Rawson, J. Herford, A. Weidling, H. McGinnis 2009-4-1 5358 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
  UCD133536  Lactuca serriola Beecher Crampton 1961-8-1 s.n. Yolo UC Davis campus. Comment
  UCD32804  Lactuca serriola Beecher Crampton 1954-10-20 2297 Yolo 5 miles east of Davis, banks of irrigation ditch for rice fields. Comment
  UCD35198  Lactuca serriola Beecher Crampton 1953-9-30 1629 Yolo 3 miles northeast of Davis. Comment
  SEINET12477351 Image available Lagenaria siceraria Unknown Yolo University of Davis; Grounds Building Nursery bed Comment
  POM53164  Lagophylla minor C. F. Baker 1903-5-8 2892 Yolo Cache Creek canyon Comment
  UCD33986  Lagophylla ramosissima Beecher Crampton 1975-6-24 9225 Yolo 2 miles west of Winters Comment
  UCD20910  Lamium amplexicaule N. Nicola 2002-3-13 139 Yolo Capay Valley, near town of Guinda Comment
  UCD41119  Lamium amplexicaule N. Nicola 2002-3-13 139 Yolo Eastern foothills of inner north coast range, Capay Valley. North of Guinda off Hwy 16; Fullbelly Farm. Comment
  CDA5662  Lamium amplexicaule T. C. Fuller 1962-3-27 7896 Yolo Road to Davis, 3 miles east of Winters. 0 Comment
  SEINET7949739  Lamium amplexicaule Schank 1959-3-28 s.n. Yolo 4 miles W of Winters along an old road which branched off Hwy 128 and led into some slight foothills. 305 Comment
  UCD41022  Lamium amplexicaule Carol W. Witham 2003-4-11 952 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  RSA695578  Lasthenia Keith E. Hoffmaster 1940-4-28 953 Yolo Davis, 2 mi. north. 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
  UCD80829  Lasthenia fremontii Ellen Dean 2009-3-22 5286 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
  RSA176724  Lasthenia fremontii D. E. Breedlove 1963-4-20 4626 Yolo 6 miles S of Winters. Comment
  UCD33788  Lasthenia glaberrima Beecher Crampton 1973-4-16 8917 Yolo 1 mile SW of Saxon Station. Comment
  UCD73132  Lasthenia glaberrima Ayzik Solomeshch 2003-5-30 s. n. Yolo Department of Fish and Game Glide Tule Ranch, about 8 mi. southeast of Davis. 6 Comment
  CDA25772  Lasthenia glabrata D. G. Kelch 2008-2-11 8 .013 Yolo West Sacramento. In round formed by I-80 exit at Harbor Blvd (SE corner). 0 Comment
  UCD132537  Lasthenia glabrata Beecher Crampton 1973-4-16 8921 Yolo Saxon SW 1. Comment
  UCD35753  Lasthenia glabrata Beecher Crampton 1953-3-16 1004 Yolo 1.5 miles north of Davis. Comment
  UC1191982  Lasthenia glabrata subsp. glabrata Malcolm A. Nobs and S. Galen Smith 1951-4-2 1915 Yolo along Highway #40 (between Yolo Causeway and Davis) Comment
  UCD133769  Lasthenia glabrata subsp. glabrata Collector unknown 1925-5-21 1636 Yolo Yolo Causeway. Comment
  UCD21037  Lasthenia glabrata subsp. glabrata Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-4-4 223 Yolo near the city of Davis. Along Road 38, approximately 1.2 miles S of its intersection with Road 105. Glide/Tule Ranch site, pool # GLI001. 2 Comment
  UCD73127  Lasthenia glabrata subsp. glabrata Ayzik Solomeshch 2003-5-30 s. n. Yolo Department of Fish and Game Glide Tule Ranch, about 8 mi. southeast of Davis. 6 Comment
  UCD80830  Lasthenia glabrata subsp. glabrata Ellen Dean 2009-3-22 5287 Yolo city of Woodland. Mavis Henson Field property on the east side of county road 102, just south of county road 25. Property owned by city of Woodland. NE corner of property, E of drainage pond. 9 Comment
  UCD84325  Lasthenia glabrata subsp. glabrata Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCD84340  Lasthenia glabrata subsp. glabrata Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UC905687  Lasthenia glabrata subsp. glabrata David D. Keck 1946-4-27 5535 Yolo 6 Comment
  CAS-BOT-BC370789  Lasthenia platycarpha Doris K. Kildale 1928-5-8 5036 Yolo 12 miles north of Dixon Comment
  CAS-BOT-BC370798  Lasthenia platycarpha A. A. Heller; H. E. Brown 1902-4-30 5426 Yolo Near Black's Comment
  UC1543156  Lasthenia platycarpha Charlotte G. Nast 1936-4-17 128 Yolo Woodland hwy n Davis Comment
  CAS-BOT-BC370790  Lasthenia platycarpha W. D. Hamilton 1946-4-19 s.n. Yolo 4 miles No. of Davis Comment
  HSC5157  Lasthenia platycarpha M. Dole 1963-4-9 23 Yolo one mi. E of Zamora on Road 15 Comment
  UCD133877  Lasthenia platycarpha Ethel H. Hyde 1940-4-8 s.n. Yolo north of Davis. Comment
  UC1228145  Lathyrus jepsonii var. californicus Beecher Crampton 1960-5-9 5510 Yolo 1 mi n Saxon Station Comment
  UCD68017  Lathyrus latifolius C. P. Pease 1995-6-6 S.N. Yolo East side of University of California, Davis campus, Experimental College gardens. Found on an uncultivated site in the partially disturbed Experimental College gardens. A climbing perennial. Flowers, pink. 16 Comment
  UCD41118  Lavandula K. Arhangelsky 2002-5-28 223 Yolo Eastern foothills of inner north coast range, Capay Valley. North of Guinda, Rd 43 off Hwy 16; Fullbelly Farm. Comment
  CAS-BOT-BC323861  Layia chrysanthemoides L. R. Abrams 1928-5-8 12596 Yolo Between Woodland and Davis. Comment
  HSC31624  Layia chrysanthemoides Glenn McGourty 1974-4-20 9 Yolo On corner of Route 99W and Rd. 56 Comment
  JEPS13434  Layia septentrionalis R. F. Hoover 1938-4-23 3196 Yolo grade on Rumsey; Arbuckle road Comment
  SACT001390  Leersia oryzoides Brian Brown 1975-10-10 Yolo Moist habitat Comment
  UCD36094  Leersia oryzoides Beecher Crampton 1952-10-12 862 Yolo Yolo County, city of Davis, along Putah Creek. Comment
  UCD33555  Leersia oryzoides Beecher Crampton 1969-10-21 8525 Yolo Yolo County, Putah Creek bed, S.E. of University airport. 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
  SBBG50623  Lepechinia calycina C. Weed 1967-5-21 Yolo beside Putah crk, ca. 0.5 mi E of Monticello Dam 22 Comment
  UCD124960  Lepechinia calycina Cynthia Weed 1967-5-21 s.n. Yolo beside Putah Creek, ca. 1/2 mile east of Monticello Dam. 22 Comment
  UCD20519  Lepechinia calycina E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1091 Yolo just outside of McLaughlin UC Reserve. Along Rayhouse Rd. 3.5 road miles E of intersection with Soda Springs road. 609 Comment
  CAS-BOT-BC88688  Lepidium acutidens Carl B. Wolf 1937-3-28 8323 Yolo Sacramento Valley, 6.5 miles south of Woodland. 18 Comment
  UCD115210  Lepidium acutidens K. Esau 1941-4-20 s.n. Yolo North of Davis. Comment
  UCD115221  Lepidium acutidens Robert E. Preston 1996-3-23 909 Yolo ca. 1.9 mi NNE of Davis, on N side of Rd 28H, 0.4 mi E of Rd 103. 9 Comment
  CAS-BOT-BC88748  Lepidium appelianum A. S. Crafts 1935-9-15 s.n. Yolo Woodland. Comment
  UCD115261  Lepidium appelianum A. S. Crafts 1937-9-4 s.n. Yolo Davis. Comment
  UCD115267  Lepidium appelianum A. S. Crafts 1937-9-4 s.n. Yolo Davis. Comment
  UCD115270  Lepidium appelianum A. S. Crafts 1937-9-4 s.n. Yolo Davis. Comment
  UCD35867  Lepidium coronopus Beecher Crampton 1965-6-29 7390 Yolo 5 miles east of Davis; Yolo Bypass. Comment
  CDA31099  Lepidium dictyotum var. acutidens Viola Popescu 2010-3-17 s.n. Yolo Aeromodelling Club. Rte 102 between Davis and Woodland. Comment
  JEPS105143  Lepidium dictyotum var. acutidens Dean W. Taylor 1995-3-17 14766 Yolo ca. 100 m SE junction Road 102 and Road 25 (site is 6 miles N of Davis) Comment
  JEPS81233  Lepidium dictyotum var. acutidens L. R. Heckard, and J. C. Hickman 1982-4-7 5829 Yolo about 3 mi se Woodland (at corner of road 25A and Road 103) Comment
  RSA20862  Lepidium dictyotum var. acutidens C. B. Wolf 1937-3-28 8323 Yolo Sacramento Valley, 6.5 miles south of Woodland. 18 Comment
  CAS-BOT-BC89072  Lepidium didymum Clarence R. Quick 1971-3-22 71 -11 Yolo Pylman-Quick garden, Merritt Island. Near Clarksburg. Comment
  CAS-BOT-BC89073  Lepidium didymum P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co. Clarksburg-Sacramento River. Comment
  UCD115347  Lepidium didymum Sonia Cook 1977-4-28 s.n. Yolo 883 Linden Lane, Davis. Comment
  UCD115357  Lepidium didymum Walter Russell 1947-3-22 17 Yolo Yard at 216 D Street, Davis. Comment
  UCD80974  Lepidium draba Ellen Dean; R. Rawson, J. Herford, A. Weidling, H. McGinnis 2009-4-1 5357 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Western side of property used by model airplane club. 9 Comment
  CAS-BOT-BC89246  Lepidium draba Bellue; Cowley 1932-7-1 s.n. Yolo Unspecified. Comment
  UCD115371  Lepidium draba Dr. A. S. Crafts 1935-9-13 s.n. Yolo Woodland. Comment
  CAS-BOT-BC89743  Lepidium latifolium John Thomas Howell 1976-8-4 52223 Yolo West Sacramento. Comment
  CAS-BOT-BC89744  Lepidium latifolium John Thomas Howell 1976-8-4 52223 Yolo West Sacramento. Comment
  UCD161091  Lepidium latifolium Jean Shepard 1999-3-27 11 Yolo City of Davis, Fifth St., south side, .25 mi E of intersection with Poleline Rd. Comment
  UCD115710  Lepidium latifolium R. N. Raynor 1939-6-20 s.n. Yolo 1 mile north of Clarksburg, Lisbon Tract. Comment
  RSA479488  Lepidium latipes L. R. Heckard, J. Hickman 1982-4-7 5828 Yolo At corner of road 25A and road 103, about 3 miles SE of Woodland. Comment
  UCD115721  Lepidium latipes Fleur Ng'weno 1989-5-5 DQ 30 Yolo D-Q University County Road 31, 9 mi. west of Davis city center. 30 Comment
  UCD72402  Lepidium latipes Ellen Dean; C. Witham, R. Preston, J. Buck 2007-4-20 3706 Yolo Dept. of Fish and Game Tule Ranch property, SW of the intersection of County Roads 106 and 38 (continue S through gate on extension of C.R. 106, turn west to farm structures). 1 Comment
  UCD80971  Lepidium latipes Ellen Dean; R. Rawson, J. Herford, A. Weidling, H. McGinnis 2009-4-1 5354 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Western side of property used by model airplane club. 9 Comment
  UC2014149  Lepidium latipes Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo County: Yolo Bypass. Glide Ranch. Comment
  UCR225258B  Lepidium latipes var. latipes Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass, Glide Ranch 4 Comment
  RSA590188  Lepidium nitidum Michael A. Vincent, Robert M. Rhode 1996-3-30 7262 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16, ca. 2 miles S of Colusa Co. Line. Comment
  UCD80921  Lepidium nitidum Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5324 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
  UCD115798  Lepidium nitidum P. B. Kennedy 1916-3-1 s.n. Yolo Davis Farm -- Davis. Comment
  UCD115812  Lepidium nitidum Robert E. Preston 1996-3-23 910 Yolo ca. 1.9 mi NNE of Davis, on N side of Rd 28H, 0.4 mi E of Rd 103. 9 Comment
  UCD115813  Lepidium nitidum Robert E. Preston 1996-3-23 912 Yolo ca. 1 mi N of Davis; at edge of field along E side of Rd 102. 9 Comment
  UCD115825  Lepidium nitidum J. M. Tucker 1951-2-22 2029 Yolo ca. 1 mile north of Davis. Comment
  CDA34527  Lepidium nitidum var. oreganum R. A. Price 2010-4-9 1611 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
  UCD34467  Lepidium oxycarpum Beecher Crampton 1985-4-10 9911 Yolo Yolo County, 3.5 miles S.E. of Woodland. Comment
  CDA33313  Lepidium strictum V. Popescu, Dale Woods 2010-3-23 s.n. Yolo Grassland Park; vernal pool area. 0 Comment
  UCD21237  Lepidium strictum J. Shepard 2000-4-9 119 b Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. In field south of entrance road, east of all archery ranges. 12 Comment
  UCR119162  Leptochloa fascicularis Beecher Crampton 1952-10-31 899 Yolo Sacramento Valley, 10 miles east of city of Davis. Yolo Causeway, at railroad right of way. 15 Comment
  RSA212163  Leptochloa fusca subsp. fascicularis L. S. Rose 1969-6-23 69041 Yolo 2 miles SW. of Knights Landing 15 Comment
  UCD41067  Leptochloa fusca subsp. fascicularis Carol W. Witham 2003-8-8 998 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD63786  Leptochloa fusca subsp. fascicularis Collector Unknown 1941-10-1 Yolo Putah Creek, bordering Davis Farm. Comment
  UCD63911  Leptochloa fusca subsp. fascicularis M. Phillips 1929-10-1 2052 Yolo near Davis. 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
  UCD63961  Leptochloa fusca subsp. uninervia Beecher Crampton 1963-10-14 Yolo Davis. Comment
  UCD63976  Leptochloa fusca subsp. uninervia Beecher Crampton 1958-7-31 5056 Yolo University of California Davis, north of Hunt Hall. 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
  UCD23445  Leptosiphon androsaceus 1947-4-10 1899 Yolo One mile northwest of Rumsey, in canyon just off Highway 16. Comment
  UCD56754  Leptosiphon androsaceus Ellen Dean; M. Bibbo 2007-3-23 3446 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
  UCD58088  Leptosiphon androsaceus Ellen Dean; K. Mawdsley 2007-4-6 3626 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Southern/central part of ranch. 537 Comment
  RSA0078644  Leptosiphon androsaceus Keith E. Hoffmaster 1946-4-13 1214 Yolo Putah can. Comment
  UCD23444  Leptosiphon bicolor 1947-4-10 1896 Yolo One mile northwest of Rumsey, in canyon just off Highway 16. Comment
  UCD72450  Leptosiphon bicolor Ellen Dean 2008-4-25 4873 Yolo Tuleyome Ireland Ranch, western part of ranch near Crooker Spring. 332 Comment
  HSC82275  Leptosiphon ciliatus Thomas W. Nelson, Jane P. Nelson 1980-4-27 5112 Yolo Along SR 16, 100 m E of bridge over Cache Creek, 4.2 mi. from county line 152 Comment
  RSA589924  Leptosiphon ciliatus Michael A. Vincent, Robert M. Rhode 1996-3-30 7253 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16, ca. 2 miles S of Colusa Co. Line. 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
  CAS-BOT-BC283896  Leymus cinereus P. B. Kennedy 1920-5-28 s.n. Yolo Univ. Farm, Davis Comment
  CAS-BOT-BC283502  Leymus triticoides Clarence R. Quick 1972-7-24 72 -7 Yolo Road 141 and main drainage canal of Merritt Island, about 20 miles SSW of Sacramento, SE corner of county Comment
  CAS-BOT-BC283675  Leymus triticoides Clarence R. Quick 1969-6-4 69 -13 Yolo Merritt Island, near junction of county roads 140 and 142, 3.5 miles S of Clarksburg 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
  UCD141592  Leymus triticoides Ellen Dean 2013-5-15 7763 Yolo Along Putah Creek, just East of Old Davis Rd. crossing. Plot DRR 1D of Putah Creek vegetation sampling project. 15 Comment
  UCD86630  Leymus triticoides A. A. Beetle 1946-6-1 4709 Yolo Davis Campus. Comment
  CDA32473  Leymus triticoides T. C. Fuller 1958-5-2 3934 Yolo Between freeway and railroad, 1 mile east of Davis. 0 Comment
  CDA20718  Limonium duriusculum B. Lyon 2006-7-24 PDR 1340754 Yolo County Road 96, Woodland. Comment
  UC1277999  Linanthus liniflorus B. Crampton 1957-4-23 3945 Yolo 3 mi ne Davis Comment
  UC963945  Linanthus pygmaeus R. F. Hoover 1938-4-23 3191 Yolo grade on Rumsey to Arbuckle road Comment
  UCD123832  Linaria dalmatica subsp. dalmatica Breckenridge; Kratville 2001-5-3 PDR 120457 7 Yolo along median of south-bound Interstate hwy 5, Woodland. Comment
  UCD58061  Lithophragma affine Ellen Dean; K. Mawdsley 2007-4-6 3601 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 555 Comment
  UCD58067  Lithophragma heterophyllum Ellen Dean; K. Mawdsley 2007-4-6 3607 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
  UCD65612  Lolium Beecher Crampton 1959-6-10 5348 Yolo Along County Road 31, just north of Davis. Comment
  UCD66007  Lolium multiflorum Jean Dougherty 1986-5-17 86 -20 Yolo 2.1 miles northwest of Russell Blvd. 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
  UCD66187  Lolium multiflorum Lynn M. Holstein 1979-5-18 4 Yolo Corner of 5th and Poleline Rds. in Davis. Comment
  UCD66226  Lolium multiflorum Beecher Crampton 1955-6-7 2819 Yolo South end of the Campbell Tract, Univ. of Calif. Davis Campus. Comment
  UCD20613  Lolium perenne E. Dean; with M. Bibbo 2002-7-5 1160 Yolo McLaughlin UC Reserve. Along road leading from Davis Creek Reservoir to Clover Valley, N of valley, where stream crosses road (southernmost of two stream crossings). Adjacent to the culvert. 441 Comment
  CHSC83144  Lolium temulentum 1955-3-31 Yolo UC Davis campus; greenhouse grown from seed submitted from Mexicali. Comment
  RSA10423  Lolium temulentum C. B. Wolf 1928-5-8 2145 Yolo Sacramento Valley; 12 miles north of Dixon Comment
  UCD37679  Lolium temulentum Beecher Crampton 1961-6-1 5886 Yolo Yolo County, 3 miles south of city of Woodland, along County Road 27. Comment
  UCR119176  Lolium temulentum Beecher Crampton 1961-6-1 5886 Yolo Sacramento Valley, 3 miles south of city of Woodland, along County Road 27. 15 Comment
  UCD47847  Lomatium californicum M. K. Voigt; E. Sweeney and M. Miller 2002-4-13 17 Yolo McLaughlin UC Reserve. W side of Davis Creek Reservoir, S of road that goes from Soda Spring area to Rayhouse Rd. ca. 0.5 airline mile due N of Soda Springs and Ca. 1.0 airline mile WNW of UC Davis Aquatic Lab facility. Along edges of running stream and slopes to the north and south of stream on the W side of the road. Ca. 1600 ft. Comment
  UCD58048  Lomatium californicum Ellen Dean; K. Mawdsley 2007-4-6 3588 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 515 Comment
  UCD72443  Lomatium macrocarpum Ellen Dean 2008-4-25 4866 Yolo Tuleyome Ireland Ranch, central part of ranch, top of hill. 644 Comment
  UCD127723  Lomatium utriculatum Amelie Blyth 1952-3-2 2- 3 Yolo about 2 miles west of Capay, near Cache Creek. Comment
  UCD160093  Lomatium utriculatum Lauren Bradt 2015-4-12 1 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. 188 Comment
  UCR206544  Lomatium utriculatum George K. Helmkamp, E. A. Helmkamp 2009-3-17 14407 Yolo Inner North Coast Ranges Foothills, along CA-20 and Cache Creek, 4.3 miles southeast of the Colusa County line 159 Comment
  UCD127722  Lomatium utriculatum James Arthur 1966-2-5 15 Yolo 3/4 mile east of Monticello Dam, State Highway 128. Comment
  CDA43465  Lonicera japonica Kevin Matryn 2015-9-28 PDR# 570 P06364034 Yolo Davis; West Pond, near Covell Blvd. 0 Comment
  CAS-BOT-BC235133  Lonicera standishii Ed Gedling 1963-4-18 s.n. Yolo Northeast end of Ag. Eng. building Comment
  UCD144794  Lotus corniculatus Carol W. Witham 2003-4-7 905 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD38957  Lotus corniculatus Beecher Crampton 1961-8-1 5961 Yolo Davis, SP R.R. Station. Comment
  RSA590186  Lotus humistratus Michael A. Vincent, Robert Rhode, Karl Vincent 1996-3-30 7269 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16 , ca. 2 miles S of Colusa Co. Line. Comment
  RSA0028969  Lotus humistratus Keith E. Hoffmaster 1939-4-26 942 Yolo Putah Canyon. 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
  UC638709  Lotus wrangelianus Ethel Crum 1938-5-7 1990 Yolo 4 mi n Rumsey (Cache Creek canyon); Inner North Coast Ranges, Cache Creek Canyon 152 Comment
  UCD66037  Ludwigia hexapetala B. J. Grewell; Robert McKee 2006-8-8 06- 32 -LU Yolo Winchester Lake, north Sacramento - San Joaquin Delta. 0 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
  UCD66061  Ludwigia peploides subsp. montevidensis B. J. Grewell; Robert McKee 2006-8-15 06- 39 -LU Yolo Yolo Bypass Wildlife Area within the Yolo Bypass floodplain west of the Sacramento River, east of Davis, CA, and s. of I-80 hwy. NE edge of pond across from drain canal at #3 stop on refuge auto tour map. 2 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
  RSA735209  Lupinus Keith E. Hoffmaster 1940-4-28 966 Yolo 2 miles north of Davis Comment
  RSA735202  Lupinus Lois Weston 1942-4-24 1147 Yolo Putah Canyon. Comment
  CDA36922  Lupinus bicolor 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
  UCD107270  Lupinus bicolor P. B. Kennedy 1915-4-26 27 Yolo Nedicagoplats - Univ Farm, Davis. Comment
  UCD144797  Lupinus bicolor Carol W. Witham 2003-4-7 873 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCR206280  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2009-5-20 14723 Yolo Western Sacramento Valley, Capay Valley; along CA-16, 1.5 miles west of Capay 70 Comment
  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
  HSC81484  Lupinus densiflorus var. aureus Thomas W. Nelson, Jane P. Nelson 1980-4-27 5097 Yolo Along State Route 16, 6 mi. from Colusa County line. 152 Comment
  SEINET10937079  Lupinus densiflorus var. aureus Thomas W. Nelson, Jane P. Nelson 1980-4-27 Nelson 5097 Yolo Morgan valley quad. Along state rte 16, 6 mi. From colusa co line. Corolla White aging yellow. Comment
  UC1200776  Lupinus formosus P. B. Kennedy 1916-7-23 Yolo Comment
  JEPS84545  Lupinus microcarpus var. densiflorus John W. Willoughby 1976-3-21 1226 Yolo along State Highway 128 between Monticello Dam and junction with County Road 86 (Pleasants Valley road) side of road next to Putah Creek (Solano Lake) (Solano Lake); n end range Vaca Mountains, next to Putah Creek 73 Comment
  UC726767  Lupinus microcarpus var. densiflorus A. A. Heller 1940-5-9 15599 Yolo along Putah Creek five mi w Winters; along Putah Creek Comment
  UC727200  Lupinus microcarpus var. densiflorus A. A. Heller 1942-4-22 16433 Yolo 2 mi s Dunnigan Comment
  UCD62879  Lupinus microcarpus var. densiflorus Chris Mosser; Plant Biology 102 students 2008-5-3 8 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 trail on east side of Bray Creek. 91 Comment
  UCD108751  Lupinus microcarpus var. densiflorus E. H. Stanford 1940-4-28 s.n. Yolo Putah. Comment
  UCD15311  Lupinus microcarpus var. densiflorus June McCaskill; and Katherine Onaga 1963-4-20 680 Yolo California, Yolo Co.; the city of Davis, on the University of California campus, in the Arboretum, ca. 0.1 mile east of California Avenue bridge; Comment
  CHSC79301  Lupinus microcarpus var. microcarpus Beecher Crampton 1956-4-18 3269 Yolo 1 mile west of Madison. Comment
  UC532186  Lupinus microcarpus var. microcarpus L. F. Robbins 1928-4-15 Yolo Capay Valley Comment
  UCD36859  Lupinus microcarpus var. microcarpus Beecher Crampton 1956-4-18 3269 Yolo 1 mile west of Madison. Comment
  JEPS84537  Lupinus nanus John W. Willoughby 1977-3-27 1971 Yolo hills n of State Highway 128 at fishing access 1.2 mi nw of the junction of the highway and Pleasants Valley Road (County Road 86); Vaca Mountains, n of State Highway 128 60 Comment
  UCD109268  Lupinus nanus Cay Collette 1975-5-17 14 Yolo Knight's Landing Comment
  UCD33942  Lupinus nanus Beecher Crampton 1975-4-23 9174 Yolo 1 mile west of Winters. Comment
  UCD34198  Lupinus nanus Beecher Crampton 1978-3-16 9548 Yolo 2 miles west of Winters. Comment
  UCD35837  Lupinus nanus Beecher Crampton 1965-4-6 7256 Yolo 3.5 miles west of Winters, along State Hwy. 128. Comment
  SEINET10484053  Lupinus nanus subsp. nanus Martin 1960-3-22 Martin 30 Yolo On s-facing slope in canyon s of putah creek and draining into it. Associated With grasses and plagiobothrys nothofulvus; 1/4 mi e of monticello dam, Yolo-solano co border. Comment
  UCD33691  Lupinus pachylobus Beecher Crampton 1972-3-27 8777 Yolo 2 miles west of Winters. Comment
  UCR119104  Lupinus subvexus Beecher Crampton 1955-4-14 2477 Yolo Sacramento Valley, 7 miles west of city of Davis, Moon Ranch 30 Comment
  SEINET10486269  Lupinus subvexus Thomas W. Nelson, Jane P. Nelson 1980-4-27 Nelson 5098 Yolo Morgan valley quad. Along state route 16, 6 mi from colusa co line. Corolla Bright pink. Comment
  SEINET12170817  Lupinus subvexus Unknown 1953-3-31 1047 Yolo Madison Comment
  RSA31945  Lupinus subvexus var. subvexus A. A. Heller 1929-4-21 14847 Yolo Madison 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
  HSC2144  Lupinus succulentus J. V. Lenz 1946-3-29 Yolo Putah Canyon Comment
  UC753996  Lupinus succulentus H. F. Copeland 1943-4-24 1592 Yolo e Davis; e of Davis Comment
  UCD109607  Lupinus succulentus P. B. Kennedy 1915-4-26 21 Yolo Davis. Comment
  UCD82172  Lupinus succulentus J. Shepard 2001-3-26 428 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. About 50 yards north of fence at road and 100 yards west of Department of Defense property fence. 12 Comment
  UCR206551  Lupinus succulentus George K. Helmkamp, E. A. Helmkamp 2009-3-17 14400 Yolo Inner North Coast Ranges Foothills, along CA-20 and Cache Creek, 4.3 miles southeast of the Colusa County line 159 Comment
  UCSB3358  Lupinus succulentus Copeland, H. 1943-4-24 Yolo East of Davis Comment
  SBBG19582  Lupinus succulentus H. F. Copeland 1943-5-24 1592 Yolo E of Davis Comment
  UCD109634  Lupinus succulentus June McCaskill; Katherine Onaga 1962-4-12 648 Yolo 0.1 mile east of intersection of L and 2nd streets, Davis. Comment
  UCD109645  Lupinus succulentus Joy Woo 1989-5-3 5 Yolo Near Greenbelt #4. North Davis. Comment
  UCD34647  Lupinus succulentus Beecher Crampton 1987-3-31 10092 a Yolo 7 miles west of Winters along US 128. Comment
  SEINET7040228 Image available Lupinus vallicola A. G. Vestal 1962-4-6 s.n. Yolo West of Winters on north side of Route 128. Winters Quadrangle UTM Zone 10, 586704mE, 4262943mN. Comment
  SEINET10490284  Lupinus vallicola subsp. apricus Tucker 1958-4-7 TUCKER 3379 Yolo Abundant in open, level pasture; n side of state hwy 128, ca 2 3/4 mi sw of Winters. Comment
  CDA29234  Lycianthes ciliolata D. G. Kelch 2005-9-21 6 .482 Yolo U.C. Davis Conservatory. Comment
  SEINET10637646  Lycopersicon esculentum Stephanie Frischie 2000-10-7 Frischie 120 Yolo Davis Farmers' Market, Davis, CA. Comment
  UCD39922  Lycopersicon esculentum Beecher Crampton 24 Oct. ? s.n. Yolo UC Davis Campus, Ag. Service yard. Comment
  UCD142948  Lycopus americanus Ellen Dean; A. Lal, M. Taylor 2013-7-8 7820 Yolo Russell Ranch UC Davis Riparian Reserve on south side of Russell Blvd. between City of Davis and City of Winters. Found in Putah Creek Vegetation Survey Plot RRR 1D. 30 Comment
  UCR141761  Lythrum californicum Beecher Crampton 1953-10-15 1692 Yolo 2 mi west of Madison 53 Comment
  UCD36513  Lythrum californicum Beecher Crampton 1953-11-22 1737 Yolo 1 mile north of city of Davis, along railroad. 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
  UCD20628  Lythrum hyssopifolia E. Dean; with M. Bibbo 2002-7-5 1154 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
  UCD37039  Lythrum hyssopifolia Beecher Crampton 1956-7-13 3717 Yolo Yolo Bypass. Comment
  UCD63355  Lythrum hyssopifolia Daniel Sanchez-Mata 2006-6-15 s.n. Yolo Winters-Moskowite Corners. Putah Creek Public Fishing Area. 70 Comment
  UCR225220  Lythrum tribracteatum Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass, Glide Ranch 4 Comment
  HSC100289  Maclura pomifera J. P. Smith 2011-4-27 13136 Yolo Along Hwy. 16 near junction with Oakdale Ranch Road, E of Esparto 61 Comment
  UCD150945  Madia D. S. Park; D. Potter 2010-4-22 26 -1 Yolo 128 roadside east, edge of parking area. Small population. 81 Comment
  UCD150946  Madia D. S. Park; D. Potter 2010-4-22 26 -2 Yolo 128 roadside east, edge of parking area. Small population. 81 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
  UCD168409  Madia gracilis Ellen Dean; M. Hoshovsky 2017-4-18 9319 Yolo Audubon Bobcat Ranch. Lands to the north of Hwy 128. Eastern portion of ranch north of ranch headquarters in a canyon to the south of Rattlesnake Rock. Area has burned three times in the past three years. 179 Comment
  UCR226144  Madia gracilis Elaine Chow, Plant Biology 102 students 2008-4-6 003 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128, on north side of Putah Creek downstream of Monticello Dam, Bray Canyon 109 Comment
  UCD82336  Madia gracilis Robin McMaster 1973-4-15 322 Yolo 7 mi NW Rumsey on Hwy 16. Comment
  UC185752  Malacothamnus fremontii T. S. Brandegee 1899-10-20 Yolo Yolo Comment
  UCD161408  Malacothamnus fremontii Craig Thomsen 2006-5-18 s.n. Yolo Otis Camp Haswell County Park. Approximately 1/2 mile from Hwy 16. 286 Comment
  UCD18358  Mallotus japonicus Duane Gooden 1997-1 s.n. Yolo city of Davis, UC Davis campus. Comment
  UCD116609  Malva nicaeensis M. Ramos 1996-5-25 23 Yolo North side of Davis. 12 Comment
  UCR220407  Malva nicaeensis Jean V. Shepard 2000-4-9 111 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, 4 mi south on Mace Blvd. (Co. Road 104) from intersection of Hwy I-80 and Mace Blvd., 1 mi east along unpaved entrance road 12 Comment
  UCR257134  Malva nicaeensis George K. Helmkamp, Mary Alice Barnes 2013-5-8 20511 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
  CDA5042  Malva nicaeensis Goodwin, Margaret Bellue 1933-6-7 Yolo 0 Comment
  RSA552156  Malva nicaeensis D. Charlton 1990-3-3 4164 Yolo Abandoned agricultural field at the Davis Motel just north of the UC Davis Campus and adjacent to Hwy. 80. 15 Comment
  SEINET5729252 Image available Malva nicaeensis Vijai Rakvidhyasastra 1969-1 3 Yolo Putah Creek, near University of California campus, Davis.; Davis 15 Comment
  UCD116555  Malva nicaeensis B. Crampton 1953-4-26 1135 Yolo Davis. Comment
  UCD149327  Malva parviflora Collector Unknown 1925-4-18 s.n. Yolo City of Davis. 15 Comment
  UCD69416  Malva parviflora S. Quick 1996-5-19 13 Yolo City of Davis. F Street, within 10 meters of railroad tracks, between 12th and 14th Streets. Disturbed rocky field dominated by grasses. Herb dense, decumbent, flowers white. 17 Comment
  RSA262378  Malva parviflora W. F. Hackett 1960-3-21 8 Yolo Stralloch tract, University of California Davis. 15 Comment
  UCD116714  Malvella leprosa A. S. Crafts 1926-7-8 440 Yolo University Farm Campus, Davis. Comment
  LA36326  Malvella leprosa H. Popenoe; 1949-6-2 29 Yolo by Davis-Winters flight strip Comment
  UCD116717  Malvella leprosa C. J. W. 1913-9-1 306 Yolo Davis. Comment
  UCD20789  Marah fabacea N. Nicola 2001-3-14 005 Yolo Sacramento Valley, 4 miles west of Woodland, at Cache Creek Nature Preserve, along Cache Creek. Comment
  UCD107647  Marah fabacea Jack Maze 1963-3-8 2 Yolo 3 1/2 miles east of Monticello Dam on State Highway 128. Comment
  UC765587  Marah watsonii R. F. Hoover 1938-3-12 2842 Yolo near Rumsey; Cache Creek Canyon Comment
  UCD56741  Marah watsonii Ellen Dean; M. Bibbo 2007-3-23 3433 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
  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
  UCD125020  Marrubium vulgare P. B. Kaufman 1950-5-9 39 Yolo Arboretum, University of California campus, Davis. Comment
  UCD164655  Marrubium vulgare Henry House 1995-5-27 1995- 28 Yolo Approximately 5.5 km north of the latitude of Winters, about 1.25 km west of Road 89, on the high side of Winters Canal. 53 Comment
  UCD68022  Marrubium vulgare C. P. Pease 1995-5-20 S.N. Yolo East side of University of California, Davis campus, Experimental College gardens. 16 Comment
  UCD125014  Marrubium vulgare C. J. W. 1913-4-1 310 Yolo Davis. Comment
  UCD19186  Marrubium vulgare Patrick F. Fields 1976-4-25 10 Yolo 1.7 mi. west of Pleasents Valley Rd. on road E6, 20 yards from creek. 121 Comment
  UCD136572  Marsilea vestita subsp. vestita C. B. Heiser Jr. 1947-5-3 1908 c Yolo Under Yolo Causeway. Highway 99W. Comment
  UC735733  Matricaria discoidea Walter Russell 1957-4-5 63 Yolo Univ. Farm Davis Comment
  OBI54933  Matricaria discoidea Kathleen Faustini 1980-4-21 7 Yolo Rte E6 near rd 31 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
  UCD15638  Matricaria discoidea Rachelle Raymond 1989-5-29 601 Yolo Stebbins Reserve Road. 121 Comment
  UCD15909  Matricaria discoidea Leticia Mosqueda 1975-2-2 s.n. Yolo City of Woodland. Obtained from the Mosqueda family (Alicia and Concepcion) at 319 North Walnut Street. Comment
  RSA790655  Matricaria matricarioides George K. Helmkamp, E. A. Helmkamp 2012-4-17 18779 Yolo 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
  UCD38684  Matricaria occidentalis Beecher Crampton 1957-5-13 4002 Yolo 3.5 miles northeast of Davis. Comment
  UCD35372  Medicago Beecher Crampton 1956-4-9 3244 Yolo Yolo County; 1.5 miles north of Davis. Comment
  UCD39308  Medicago arborea Beecher Crampton 1959-5-31 s.n. Yolo UC Davis agronomy experimental introduction program; thought to have been grown in UC Davis introduction nursery. 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
  UCD21214  Medicago polymorpha J. Shepard 2000-3-18 80 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. Along south side of main entrance road. 12 Comment
  UCD48031  Medicago polymorpha Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 9 Yolo McLaughlin UC Reserve. W side of Davis Creek Reservoir, along road that goes from Soda Spring are to Rayhouse Rd. Ca. 0.5 airline mile due N of Soda Springs and ca. 1.0 airline mile WNW of UC Davis Aquatic Lab facility. 487 Comment
  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
  UCD107785  Medicago polymorpha W. Biehler 1950-1 s.n. Yolo On Davis campus. Comment
  UCD107901  Medicago polymorpha Joy Woo 1989-4-18 2 Yolo Parkside Apts. Davis. Comment
  UCD107931  Medicago sativa F. E. Hadly 1920-3-28 s.n. Yolo Univ. Farm, Davis. Comment
  UCD68037  Medicago sativa Dennis J. DaVia 1976-5-31 27 Yolo Road 96, 1.2 mile North of Road 31. Found in an area dominated by bunchgrass, on roadside, in clay loam soil. An erect plant. Flowers, blue. Comment
  UCD86383  Melica bulbosa M. Wiesendanger 1927-4-28 619 Yolo Esparto. Comment
  SEINET202611 Image available Melica californica Jack Maze 1963-3-8 10 Yolo .75 miles east of Recreation Beach, State Highway 128. Comment
  UCD56757  Melica californica Ellen Dean; M. Bibbo 2007-3-23 3449 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Western/Central portion of ranch near unimproved access loop road. 624 Comment
  UCD86425  Melica californica A. A. Beetle 1944-3-27 1969 Yolo 3 miles west of Winters, entrance to Putah Creek Canyon. Comment
  UCD86933  Melica californica Beecher Crampton 1967-5-3 7850 Yolo Yolo County, 2 miles west of Winters. Comment
  UC75174  Melica torreyana C. F. Baker 1903-5-5 2885 Yolo Cache Creek Canyon Comment
  POM348177  Melilotus albus Glenn A. Gorelick 1965-8-28 s.n. Yolo Along Putah Creek at Low Water Bridge, Davis.. Comment
  CDA30597  Melilotus indicus M. Beyers 2010-5-12 442 Yolo In the vicinity of Esparto, along the east side of County Road 87, where it bridges Cache Creek on its north. 55 Comment
  UCD62796  Melilotus indicus Susan Zhang; Plant Biology 102 students 2008-5-3 6 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. In and along Bray Creek. 103 Comment
  UCD80916  Melilotus indicus Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5320 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
  SFV8456  Melilotus indicus J. W. Riekels 1961-4-9 18 Yolo Along Putah Creek on CA-Highway 128, about 8 miles west of Winters. Comment
  UCD15242  Melilotus indicus Kathryn A. Specht 1984-5-26 26 Yolo In the city of Davis near intersection of Chiles Road and Research Park Drive. 12 Comment
  UCD38685  Melilotus indicus Beecher Crampton 1957-5-13 4003 Yolo 3.5 miles northeast of Davis. Comment
  UCD125047  Mentha canadensis P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co., Clarksburg, Sacramento River. Comment
  UCSB32174  Mentzelia laevicaulis Bingham, R. F. (Mrs.) 1889-1 Yolo Donsville Comment
  SEINET6645722  Mesembryanthemum roseum J. J. Dunning 1958-4-7 s.n. Yolo City of Woodland, #2 Cross St., in yard at Simpson Residence Comment
  UCR212289  Micropus californicus Ayzik Solomeshch 2005-4-10 s.n. Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Northeastern part of the ranch, Maxwell Flat area, accessed by private road that is at the end of Moody Slough Rd. 71 Comment
  CAS-BOT-BC348445  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
  UCD134492  Micropus californicus var. californicus R. H. Miller 1949-4-3 11 Yolo Putah Canyon. Comment
  UCD63227  Microseris douglasii Ellen Dean; K. Mawdsley 2008-4-16 4804 Yolo southeast side of Woodland, Woodland Regional Park, just south of the intersection of County Roads 102 and 25, east side of road 102. Parking area between rodeo corrals and area just south of reservoir. 0 Comment
  UCD132848  Microseris douglasii Beecher Crampton 1953-4-11 1069 Yolo Along the road 1.5 miles north of Davis. Comment
  UCD134535  Microseris douglasii Shirley L. Cotter 1952-4-27 3454 A Yolo Two miles north of Davis. Comment
  UCD15246  Microseris douglasii V. Polito 1974-4-14 33 Yolo Along County Road 32, about 1 mile west of Cactus Corners. 15 Comment
  UCD169010  Microseris sylvatica Ellen Dean; E. Moores and M. Hoshovsky 2017-4-7 9313 Yolo Audubon Bobcat Ranch. Lands to the north of Hwy 128, northwest of ranch headquarters. Ridge extending south from undeveloped road downhill from Rattlesnake Rock. Area has burned three times in the last three years. 274 Comment
  UCD20806  Microsteris gracilis N. Nicola; C. Kremen 2001-3-16 022 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  UCD118905  Microsteris gracilis E. H. Everson 1951-2-23 4 Yolo Yolo and Colusa County Line: Cache Creek Canyon, 5.3 miles northwest of Rumsey. 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
  UCD13321  Mimulus aurantiacus Bill Chally 1989-4-27 11 Yolo Yolo Co. Stebbins Reserve, W of Winters, along hwy 128. T8N, R2W, Sect. 28, SE 1/4. Elev. 800 ft. 243 Comment
  UCD15591  Mimulus aurantiacus Elmo Agatep; with David Gutierrez 1995-5-20 2 Yolo Route 128, next to Putah Creek. 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
  UCD70204  Mimulus aurantiacus D. Sanchez-Mata 1998-6-24 s.n. Yolo Rumsey. Cache Creek Ridge. Cache Creek Canyon Regional Park. 170 Comment
  HSC82083  Mimulus aurantiacus var. aurantiacus Thomas W. Nelson, Jane P. Nelson 1980-4-27 5109 Yolo Along SR 16, 100 m E of bridge over Cache Creek, 4.2 mi. from county line 152 Comment
  UCD122264  Mimulus aurantiacus var. aurantiacus C. G. Baughn 1949-4-29 36 Yolo 1 mile north of Rumsey. Comment
  UCD122286  Mimulus aurantiacus var. aurantiacus Jack Maze 1963-4-17 8 Yolo State Highway 128, 3/4 mile west of Recreation Beach. Comment
  SEINET4678055  Mimulus guttatus M. C. Johnston 1995-5-7 4 Yolo Across the road from the Monticello Dam.; 0 Comment
  POM315784  Mimulus kelloggii A. A. Heller, H. E. Brown 1902-4-29 5417 Yolo Near Madison. Comment
  UCD167384  Mimulus nasutus Kathy Toll 2016-5-1 1 Yolo McLaughlin UC Reserve. Clover Valley. 457 Comment
  UCD122852  Mimulus pilosus Lynn R. Patterson 1978-5-27 91 Yolo Dunnigan, 3 miles north of Road 6 on Road 86. Dunnigan foothills. 30 Comment
  UCD21394  Mimulus tricolor J. Shepard 2001-4-27 438 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 the southeast corner of park. 12 Comment
  UCD125286  Monardella Collector Unknown Date Unknown s. n. Yolo Northwest part of county. Comment
  UCD97113  Monardella villosa Ellen Dean; C. Loughran, A. Fuller 2011-5-8 7013 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
  RSA408694  Monardella villosa subsp. villosa R. D. Moon 1973-5-26 61 Yolo 7 miles north of Guinda on Highway 16. 518 Comment
  CAS-BOT-BC445133  Montia parvifolia Mrs. H. C. Cantelow 1932-8-17 368 Yolo Unspecified Comment
  RSA0054948  Montia perfoliata Lois Weston 1942-4-7 1164 Yolo Davis campus. 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
  UCD141701  Morus alba Ellen Dean; M. Taylor 2013-6-21 7813 Yolo North side of Putah Creek east if the City of Winters. South of Russell Blvd. on east side HWY 505. Yolo County Housing Authority area. In or near Plot YHA 2E of Putah Creek vegetation survey. 6 Comment
  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
  SEINET3243473  Muilla maritima June McCaskill, Katherine Onaga 1967-1 718 Yolo just east of Davis Refuse Dump, County Road 102, ca. 1 mile north of County Road 31, north of Davis 15 Comment
  SEINET3992260  Muilla maritima June McCaskill, Katherine Onaga 1967-4-28 718 Yolo Just E. of Davis Refuse Dump, Co. Rd. 102, ca. 1 mi N. of Co. Rd. 31, N. of Davis 15 Comment
  UCD139285  Muilla maritima Franklin W. Martin; Madelain N. Martin 1960-3-20 45 Yolo 1/2 mile north of Davis. 9 Comment
  UCD139286  Muilla maritima June McCaskill; Katherine Onaga 1967-4-28 718 Yolo just east of Davis Refuse Dump, County Road 102, ca. 1 mile north of County Road 31, north of Davis. 15 Comment
  UCD96303  Myosurus minimus Beecher Crampton 1952-11-1 904 Yolo 1.5 miles north of Davis. Comment
  POM316258  Myosurus minimus var. filiformis K. J. Tucker, J. M. Tucker 1950-3-26 1927 Yolo Yolo County: beside Hwy 99W, 3 miles NW of Davis Comment
  UCD55515  Myosurus sessilis J. Shepard; E. Dean, B. Rice, P. and R. Unger, B. Salvia 2004-3-28 656 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east .4 mi. along unpaved entrance road, then .2 mi. south. 12 Comment
  RSA97527  Myosurus sessilis Beecher Crampton 1952-11-7 916 Yolo 3 miles northwest of city of Davis. Comment
  UCD102554  Myriophyllum hippuroides R. N. Raynor 1943-10-1 s.n. Yolo Knights Landing. Comment
  JEPS84735  Myriophyllum spicatum John W. Willoughby 1976-7-29 1814 Yolo at fishing access along State Hwy. 129 Putah Creek (ca. 1.2 mi. n.w. of junction of the hwy. & County Rd. 86 (Pleasants Valley Rd.)) 60 Comment
  UCD36260  Nassella cernua Beecher Crampton 1953-5-7 1221 Yolo Yolo County, 2 miles northwest of Dunnigan, along extension of Road 4. Comment
  UCD87417  Nassella cernua Beecher Crampton 1958-4-17 4700 Yolo Yolo Coutny, 4.5 miles west of city of Winters, along State Hwy. 128, near entrance to Putah Canyon. Comment
  UCD87805  Nassella lepida Alan A. Beetle 1946-4-6 4377 Yolo Yolo-Solano County, Putah Creek Canyon. Comment
  CAS-BOT-BC260115  Nassella pulchra Beecher Crampton 1982-3-22 9823 Yolo 5 miles W of Winters on Highway 128 Comment
  JEPS84717  Nassella pulchra John W. Willoughby 1977-4-27 2244 Yolo 1.2 mi nw County Road 86 (State Highway 128; foothills n of highway); Vaca Mountains Comment
  UCD34401  Nassella pulchra Beecher Crampton 1982-3-22 9823 Yolo Yolo County, 5 miles west of Winters on Hwy. 128. Comment
  UCD87449  Nassella pulchra A. A. Beetle 1944-3-27 1967 Yolo 3 miles west of Winters, entrance to Putah Creek Canyon. Comment
  UCD18415  Nassella tenuissima Dave Bayer 2000-5-25 s.n. Yolo south of city of Davis. Comment
  UCD73609  Navarretia Ellen Dean; Elizabeth Goebel 2008-4-7 4737 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
  UCD162958  Navarretia atractyloides Craig D. Thomsen 2006-6-13 2658 Yolo Camp Haswell Regional Park. On flat just above turnout along Hwy 16, just across from Camp Haswell. Comment
  SD225884  Navarretia cotulifolia Beecher Crampton 1960-5-9 5506 Yolo 0.25 south of Saxon Station. Comment
  UCD39050  Navarretia cotulifolia Beecher Crampton 1962-5-1 6351 Yolo 5.5 miles southeast Davis (in direct line) jct. County Roads 106 A and 35. Comment
  UCD39053  Navarretia cotulifolia Beecher Crampton 1962-5-1 6360 Yolo 1/4 mile south Saxon Station, jct. County Roads 106 and 38. Comment
  UCD48346  Navarretia cotulifolia Beecher Crampton 1958-5-10 4778 Yolo 2 miles north of Davis. Comment
  SBBG117350  Navarretia leucocephala B. Crampton 1953-4-21 1120 Yolo ca. 3 mi N of Winters 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
  UCD36213  Navarretia leucocephala subsp. leucocephala Beecher Crampton 1953-4-21 1120 Yolo Yolo County, 3 miles north of city of Winters, between highway and railroad. Comment
  UCD37910  Navarretia leucocephala subsp. leucocephala Beecher Crampton 1962-5-1 6349 Yolo 5 miles southeast of city of Davis, at junction of County Roads 106A and 35. Comment
  UCD162955  Navarretia pubescens Craig Thomsen 2006-5-31 2646 Yolo Ridgeline trail (accessed at turn-out across the road from Camp Haswell), approximately 0.5 mile south of Hwy 16. Yolo County park adjacent to Cache Creek. Rumsey Canyon. 457 Comment
  UCD20610  Navarretia pubescens E. Dean; with M. Bibbo 2002-7-5 1157 Yolo McLaughlin UC Reserve. Along road leading from Davis Creek Reservoir to Clover Valley, N of valley, where stream crosses road (southernmost of two stream crossings). Adjacent to the culvert. 441 Comment
  UCD37114  Navarretia tagetina Beecher Crampton 1957-5-14 4019 Yolo Yolo County, 1.3 miles west of Zamora. Comment
  UC596366  Nemophila heterophylla R. F. Hoover 1938-3-12 2846 Yolo Cache Creek Canyon near Rumsey; Cache Creek Canyon near Rumsey Comment
  UCD120041  Nemophila heterophylla R. H. Miller 1949-3-14 1 Yolo Hillslopes of Putah Canyon. Comment
  UCD20802  Nemophila heterophylla N. Nicola; C. Kremen 2001-3-16 018 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  UCD73094  Nemophila heterophylla Ellen Dean; Plant Biology 102 students 2008-4-6 4717 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Bray Canyon, west side of creek near old road cut that ascends slope. 82 Comment
  CDA15887  Nemophila heterophylla G. F. Hrusa 1998-3-21 14155 Yolo North Coast Biodiversity Arena; Hwy 16 along Cache Creek at the rafting put-in. Nr. Lake County line. Comment
  UCD120005  Nemophila heterophylla Charles B. Heiser Jr. 1947-4-10 1903 Yolo In canyon, northwest of Highway 16, 1 mile north of Rumsey. Comment
  UCD120044  Nemophila heterophylla Ogden C. Riddle 1942-3-29 18 Yolo Across road west of Recreation Beach, Putah Canyon. Comment
  UCD120077  Nemophila menziesii A. A. Beetle 1945-2-15 4181 Yolo Putah Creek Canyon, west of Winters. Comment
  UCD89680  Nemophila menziesii Kara Moore 2006-4-24 s.n. Yolo McLaughlin Reserve; Davis Creek Reservoir, Hobbit Hill. 466 Comment
  UCD19423  Nemophila menziesii var. menziesii J. Shepard 2000-2-7 35 Yolo Grasslands Regional Park. East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd.(County Road 104), thence east 1/4 mi along unpaved entrance road, then south about 200 yd. 12 Comment
  UCD105391  Neostapfia colusana Robert Holland 1993-6-10 s.n. Yolo Air Force Antenna Farm. Comment
  UCD125250  Nepeta cataria Beecher Crampton 1995-8-9 s.n. Yolo City of Davis. Comment
  CDA9357  Nicotiana glauca M. Beyers, M. Keyhani 2013-11-23 1037 Yolo Inner North Coast Ranges; Highway 128, south side of highway's edge. West of the Monticello Dam near a fishing pull-out on the north side of Putah Creek. 51 Comment
  SFV8334  Nicotiana glauca T. Persico 1971-5-15 24 Yolo North Coast Ranges Vaca Mountains. 3 miles east of Monticello Dam. 30 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
  SEINET6174922  Nicotiana glauca G. Cook 1959-3-29 15 Yolo 4 miles W of Winters. 100 Comment
  SEINET6174928  Nicotiana glauca Schank 1959-3-29 s.n. Yolo 4 miles W of Winters. 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
  UCD126717  Nicotiana quadrivalvis J. D. Skoss 1948-6-5 16 Yolo along Putah Creek bed, University of California, Davis campus. Comment
  CDA18025  Oenothera elata subsp. hirsutissima J. Young 1999-7-12 PDR 1197015 Yolo West Sacramento. 0 Comment
  UCD106941  Oenothera elata subsp. hirsutissima J. Young 1999-7-12 PDR 119701 5 Yolo West Sacramento. 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
  RSA634965  Orthocarpus purpurascens var. pallidus Michael A. Vincent, Ethan H. Freid 1998-4-7 8154 Yolo Above State Rt. 128, 4 miles west of Winters. Comment
  UCD88432  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
  SEINET242456  Oryzopsis holciformis Beecher Crampton 1961-4-10 T.O. 2324 a Yolo UC Davis agronomy experimental area, plant introduction nursery, row D-167 Comment
  HSC16699  Oxalis corniculata J. V. Lenz 1946-4-1 Yolo W Sacramento Comment
  UCD35743  Oxalis corniculata Beecher Crampton 1953-3-29 1036 Yolo Along walkway in Davis. Comment
  UCD111012  Oxalis pes-caprae Beecher Crampton 1980-3-4 9697 Yolo Davis Comment
  UCD111013  Oxalis pes-caprae Beecher Crampton 1980-3-4 9697 Yolo Davis Comment
  CAS-BOT-BC242650  Panicum capillare Beecher Crampton 1952-8-25 850 Yolo City of Davis, waste lot Comment
  UCD89507  Panicum capillare H. B. Currier 1941-9-22 s.n. Yolo Davis. Comment
  SEINET239026 Image available Panicum capillare subsp. hillmanii Beecher Crampton 1977-10-25 9544 Yolo UC Davis agricultural services yard. Comment
  UCD89773  Panicum capillare subsp. hillmanii Beecher Crampton 1965-10-8 7537 Yolo 1 mile northeast of Woodland, Kentucky Ave. Comment
  SEINET7293745 Image available Panicum capillare subsp. hillmanii Beecher Crampton 1964-1 7201 Yolo 3 miles NW of Davis Junction Count Roads 99 and 29 Comment
  UCD38867  Panicum capillare subsp. hillmanii Beecher Crampton 1962-10-30 6709 Yolo 2 miles west of Winters. State Hwy. 128. Comment
  UCD89572  Panicum capillare subsp. hillmanii Beecher Crampton 1964-9-10 7201 Yolo 3 miles N.W. of Davis, jct. of County roads 99 and 29. Comment
  UCD89770  Panicum capillare subsp. hillmanii Beecher Crampton 1964-9-22 7202 Yolo 3.5 miles west of Davis, Russell Blvd.. Comment
  UCD89803  Panicum capillare subsp. hillmanii Beecher Crampton 1977-10-25 9544 Yolo UC Davis campus, Agricultural Services yard. Comment
  SEINET249959 Image available Panicum capillare var. occidentale Beecher Crampton 1954-9-9 2265 Yolo 5 miles west of Davis, roadside, in adjacent irrigated pasture. Comment
  UCD38010  Panicum dichotomiflorum subsp. dichotomiflorum Beecher Crampton 1962-8-27 6646 Yolo 4.6 miles SE of Knight's Landing, along Sacramento River. Comment
  CAS-BOT-BC242670  Panicum hillmanii Beecher Crampton 1964-9-22 7202 Yolo 3.5 miles west of Davis, Russell Blvd. Comment
  CAS-BOT-BC253862  Panicum miliaceum J. Rumsey 1933-9-1 s.n. Yolo Woodland Comment
  UCD89745  Panicum miliaceum subsp. miliaceum Beecher Crampton 1967-9-25 s.n. Yolo Davis. Comment
  UCD168156  Papaver rhoeas Katherine Courtney 1983-4-24 6 Yolo 3/4 mile west of the junction of raod 32 and 92, west of Davis. Comment
  UCD34252  Parapholis incurva Beecher Crampton 1978-6-26 9609 Yolo Yolo County, 4 miles S.E. of Woodland, T9N R2E sect. 11 N.E. 1/4. Comment
  UCD88642  Parapholis incurva Beecher Crampton 1978-6-26 9609 Yolo 4 miles S.E. of Woodland. Comment
  SEINET11124400 Image available Parkinsonia aculeata June McCaskill, Katherine Onaga 1962-7-2 654 Yolo 1001 D Street, Davis, Yolo County Comment
  CDA29548  Paspalum dilatatum M. K. Beyers 2009-7-18 171 Yolo Putah Creek; along trail, parallel with creek s edge. Downstream from the Monticello Dam and adjacent to the small island (AKA Coyote-tooth Island) that forks Putah Creek. 0 Comment
  UCD81070  Paspalum dilatatum Ellen Dean; Drew Maraglia 2009-4-15 5434 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
  CDA28399  Paspalum distichum G. F. Hrusa 2007-6-27 17048 Yolo Sacramento Delta; Colony on shoreline in sandy intertidal area at Yolo Co. Boat Launch, W side Sacramento R. +/- 1 mile N of Hood (Sacramento Co.). 7 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
  UCD88903  Paspalum distichum Alan A. Beetle 1946-7-13 4717 Yolo Putah Canyon. Comment
  UCD88963  Paspalum distichum Collector Unknown 1941-10-1 326 Yolo along Putah Creek, bordering Davis Farm. Comment
  SEINET4344385 Image available Paspalum distichum Unknown 1988-10-21 7996 Yolo Cache Creek Rd 89 crossing just W of I-505, E of gravel pits 1.5 mi N of Madison, ca 10 airmiles W of Woodland, Sacramento Valley. 37 Comment
  HSC47946  Paspalum urvillei Michael A. Watkins 1978-6-11 22 Yolo Hwy. 20, 1 mi. S of Brooks. 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
  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
  UCD160199  Pellaea mucronata var. mucronata Taylor Blevins 2015-4-12 3 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. 160 Comment
  UCR242396  Pennisetum setaceum Paul Washburn 2011-7-14 s.n. Yolo City of Davis, along Covell Blvd. between Lake and Denali streets 15 Comment
  UCD67961  Penstemon centranthifolius Dixie Paussa 1974-5-8 49 Yolo 5 miles North of Capay, 2 miles up a PG and E access road, at the end of road 13, off road 85a. Foothill Woodland area, dominated by Quercus douglasii. Growing in open sun on cow trail, west facing slope, side of canyon. On clay soil. Comment
  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
  CAS-BOT-BC413678  Persicaria amphibia Clarence R. Quick 1971-8-26 71 -58 Yolo Pylman-Quick garden, Merritt Island, near Clarksburg Comment
  CAS-BOT-BC413677  Persicaria amphibia Roxana Stinchfield 1916-6-25 326 Yolo Near Buckeye Cr. Comment
  UCD81057  Persicaria maculosa Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5593 Yolo city of Woodland. Woodland Regional Park. East side of County Road 102, just south of County Road 25. Old rodeo area with bare areas where buildings used to be. 9 Comment
  UCD99737  Persicaria maculosa W. T. Pope 1916-8-1 s.n. Yolo West Sacramento. Comment
  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
  UCD149396  Phacelia ciliata Collector Unknown 1949-1 s.n. Yolo Yolo County. Capay Valley. Hungry Hollow 53 Comment
  HSC13634  Phacelia ciliata M. Dole 1963-4-8 72 Yolo 1/2 mi. N of Hwy. 40 on Rd. 104 Comment
  UCD120581  Phacelia imbricata Collector unknown 1925-5-25 1789 Yolo Putah Canyon. Comment
  UCD20840  Phacelia imbricata N. Nicola 2001-4-5 56 Yolo Eastern foothills of inner North coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  UCD80980  Phacelia imbricata Angelica Sauceda; Ellen Dean, Clare Loughran 2009-4-26 4 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Lower reaches of Bray Canyon. 88 Comment
  POM181664  Phacelia tanacetifolia L. Williams 1927-3-22 s.n. Yolo Canyon of Putah Creek. 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
  UCD88340  Phalaris brachystachys Beecher Crampton 1965-8-18 7487 Yolo 3 miles W of Knight's Landing. Comment
  UCD37678  Phalaris canariensis Beecher Crampton 1961-6-1 5882 Yolo 3 miles S of city of Woodland, along County Road 27. Comment
  UCD88776  Phalaris canariensis A. A. Beetle 1945-2-15 4175 Yolo Putah Creek Canyon, W of Winters. Comment
  UCR152066  Phalaris canariensis Beecher Crampton 1961-6-1 5882 Yolo Sacramento Valley, 3 miles south of city of Woodland, along County Road 27. 15 Comment
  CDA9249  Phalaris elongata G. F. Hrusa 2013-4-29 18515 Yolo Sacramento Valley; Yolo Bypass Visitor Center, County Rd. 32B, 1.25 miles east of Mace Blvd. 7 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
  UCD23212  Phalaris lemmonii A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCD36177  Phalaris lemmonii Beecher Crampton 1953-3-31 1050 Yolo 6 miles N of city of Winters, along railroad tracks at Arroz railroad siding. Comment
  UCD84316  Phalaris lemmonii Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCD89001  Phalaris lemmonii P. B. Kennedy 1915-4-26 s.n. Yolo Outskirts of Davis. Comment
  UCD89017  Phalaris lemmonii R. Tofsrud 1947-4-24 s.n. Yolo A few miles N of Davis. Comment
  RSA10438  Phalaris minor C. B. Wolf 1928-5-8 2130 Yolo Sacramento Valley; 4 miles N of Zamora. Comment
Read comments
Jul 28 2014
  UCD36210  Phalaris minor Beecher Crampton 1953-4-19 1108 Yolo 1.5 miles N of city of Davis. Comment
  UCD89048  Phalaris minor A. A. Beetle 1946-5-1 4711 Yolo Davis campus. Comment
  UCD89067  Phalaris minor A. S. Crafts 1926-7-8 429 Yolo University Farm Campus, Davis. Comment
  UCD89169  Phalaris minor Beecher Crampton 1968-6-13 8292 Yolo UC Davis Arboretum. Along Putah Creek. Comment
  UCD89184  Phalaris minor P. B. Kennedy 1915-4-26 s.n. Yolo Davis. Comment
  SEINET11696147  Phalaris minor S. M. Sebalo 1998-5-31 20 Yolo city of Davis, off Garrod Dr., about 0.5 mi from Campbell Rd. cross street 18 Comment
  JEPS72983  Phalaris paradoxa W. L. Jepson 1940-6-14 19962 Yolo just n Cache Creek (near Madison); just n of Cache Creek Comment
  UCD21222  Phalaris paradoxa J. Shepard 2000-3-24 92 Yolo Yolo County Grasslands Park: E of Davis, from intersection of I-80 and Mace Blvd., 3 miles S on Mace Blvd. (County Road 104). NW corner of park boundary, at SE corner of intersection of County Roads 104 and 35. 12 Comment
  UCD41217  Phalaris paradoxa John Snelling 1986-5-8 2 - Yolo City of Davis, Alvarado Avenue at Sycamore Avenue. Comment
  UCD89616  Phleum pratense Beecher Crampton 1959-6-21 5405 Yolo Davis. 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
  UC1078898  Phoradendron macrophyllum Lauramay T. Dempster 1957-10-14 1426 Yolo in garden at Davis Davis Comment
  UCR115042  Phoradendron macrophyllum G. Fred Hrusa 1994-1-2 11590 Yolo Sacramento Valley, Along Putah Creek in UC Putah Creek Reserve c. 1 mi west of University Airport 75 Comment
  UCD102184  Phoradendron serotinum subsp. macrophyllum Beecher Crampton 1980-2-19 9696 Yolo Yolo County, Davis. Comment
  UCD102187  Phoradendron serotinum subsp. macrophyllum D. H. Hartmann 1941-1-18 s.n. Yolo Near Putah Creek, Davis. Comment
  UCD22537  Phoradendron serotinum subsp. macrophyllum Collector unknown 2002-12-15 s.n. Yolo Near Memorial Union. Comment
  UCD67993  Phoradendron serotinum subsp. macrophyllum M. Thibodeau 1995-5-21 2 Yolo Road 95A, North side of Putah Creek, next to bridge crossing the creek. In a riparian plant association. Growing in large mass, host plant was a California Black Walnut tree. 17 Comment
  UCD69399  Phoradendron serotinum subsp. macrophyllum J. Shepard 1997-10-24 s.n. Yolo City of Davis. Along College Park (a street just north of campus). Parasitic epiphyte, blown down onto sidewalk. Comment
  UCD78302  Phoradendron serotinum subsp. macrophyllum C. Gasser 2009-3-4 s. n. Yolo Davis. Intersection of Russell Blvd. and Arthur St. 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
  UCD125934  Phyla nodiflora M. I. Wibawa 1996-6-2 38 Yolo on north side of Putah Creek, 200 meters west of Old Davis Road. 17 Comment
  UCR257076  Phyla nodiflora George K. Helmkamp, Mary Alice Barnes 2013-5-8 20526 Yolo Southern Sacramento Valley, Yolo Bypass Wildlife Area, 0.9 mile southeast of the junction of Chiles Road and I-80, between Sacramento and Davis 13 Comment
  UCD81568  Phyla nodiflora var. reptans W. W. Robbins; W. D. Norton 1928-8-1 1422 Yolo near Clarksburg. Comment
  UCD81555  Physalis acutifolia W. W. Robbins; W. D. Norton 1927-10-1 s.n. Yolo West of Davis. Comment
  SEINET10890184  Physalis ixocarpa Stephanie Frischie 2000-10-7 Frischie 122 Yolo Davis Farmers' Market, Davis, CA. Comment
  UC985940  Physalis lancifolia Malcolm A. Nobs and S. Galen Smith 1949-7-18 1002 Yolo n of Winters; Sacramento Valley Comment
  UCD126003  Physalis lancifolia Beecher Crampton 1953-8-17 1622 Yolo city of Davis, Davis High School. Comment
  UCD126782  Physalis philadelphica Cynthia Hodges 1982-4-7 5 Yolo 0.5 mi e. Winters, immediately north of Highway 128. 6 Comment
  UCD147181  Pilularia americana Carol W. Witham 2003-4-11 932 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  RSA790656  Pinus halepensis George K. Helmkamp, E. A. Helmkamp 2012-4-17 18782 Yolo along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland 65 Comment
  UCD94971  Pinus sabiniana Alexis Fuller; Ellen Dean and Clare Loughran 2011-5-8 2 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Lower reaches of Bray Canyon. West side of Bray creek. 82 Comment
  SEINET4067175  Pinus sabiniana J. M. Tucker 1962-1 3643 Yolo Tree just east of California Avenue Bridge in arboretum, University of California Campus, davis. Comment
  RSA657064  Piptatherum miliaceum Beecher Crampton 1956-7-12 3703 Yolo Davis, Putah Creek 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
  UCD89671  Piptatherum miliaceum Beecher Crampton 1971-10-1 8758 Yolo Davis, College Park X Russell Blvd. Northwest corner, in vacant lot. Comment
  CDA20514  Pistacia atlantica N. Patterson 2004-9-28 PDR 1295822 Yolo Sacramento Valley; Hwy 128 & Valley Oak, Winters. 0 Comment
  SEINET10740517  Pistacia vera Stephanie Frischie 2000-10-7 Frischie 129 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET12216215  Pittosporum tenuifolium Unknown 1950-1 s.n. Yolo Davis, University of California campus Comment
  UCD82149  Plagiobothrys canescens Jean Shepard 2000-3-24 86 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, on south side of road. 12 Comment
  UCR119101  Plagiobothrys canescens Beecher Crampton 1955-4-14 2479 Yolo Sacramento Valley, 7 miles west of city of Davis, Moon Ranch 30 Comment
  UCD120812  Plagiobothrys canescens Fleur Ng'weno 1989-4-19 DQ 7 Yolo D-Q University County Road 31, 9 mi. west of Davis city center. 30 Comment
  UC1278097  Plagiobothrys fulvus Beecher Crampton 1955-4-11 2473 Yolo ca 7 mi w Davis; Moon Ranch Comment
  UCD160099  Plagiobothrys fulvus var. campestris Emily Howard 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. 170 Comment
  UCD160934  Plagiobothrys fulvus var. campestris J. Shepard 2012-4-7 861 Yolo West of Woodland, Co Rd 16 to Guinda. W on Forest Ave (Co Rd 53) about 1 mi to gate.Continue 1/4 - 1/2 mi past gate. Comment
  UCD144440  Plagiobothrys hystriculus Carol W. Witham 2003-4-7 872 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UC917267  Plagiobothrys nothofulvus H. Popenoe 1949-4-11 3 Yolo above Rumsey on Cache Creek 167 Comment
  UCD160559  Plagiobothrys nothofulvus Ellen Dean; Craig Thomsen 2015-3-21 8609 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
  UCD56768  Plagiobothrys nothofulvus Ellen Dean; M. Bibbo 2007-3-23 3460 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Western/Central portion of ranch near unimproved access loop road. 619 Comment
  UCD63075  Plagiobothrys nothofulvus Ellen Dean 2008-4-9 4784 Yolo Tuleyome Ireland Ranch. Central part of Ranch. Upper reaches of main canyon that starts near upper part of main loop road. In drainage that leads to canyon downslope of stock pond. 602 Comment
  UCD120891  Plagiobothrys nothofulvus Edwin A. Crosby 1952-4-12 10 Yolo 2.8 miles west of Winters, on state highway 28. Comment
  UC1543155  Plagiobothrys stipitatus Charlotte G. Nast 1936-3-29 98 Yolo n of Davis (Woodland highway) Comment
  UCD82167  Plagiobothrys stipitatus J. Shepard 2001-2-25 378 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road nearly to DOD fence, thence south about .1 mi to most northerly large vernal pool straddling DOD fence. 12 Comment
  SEINET5612793 Image available Plagiobothrys stipitatus Unknown 1974-1 11 Yolo California: Yolo County, Davis north of Covell. Thuis cheery little flower was found along side of the road boarding the agricultural area near Woodland. ; Flws. white and showy with yellow centers. Comment
  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
  UCD37913  Plagiobothrys stipitatus Beecher Crampton 1962-5-1 6357 Yolo Saxon Station, 7 miles southeast of city of Davis. Comment
  UCD21276  Plagiobothrys stipitatus var. micranthus J. Shepard 2000-5-1 168 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road to eastern boundary of park. South approximately 200 yards to a low area and vernal pools. A wide strip has been disked through this area. Water still in 2 pools which extend across fence into undisked area. 12 Comment
  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
  UC124286  Plantago elongata J. W. Blankinship 1893-4-3 Yolo Woodland Comment
  UCD124421  Plantago elongata J. M. Tucker 1951-3-25 2057 Yolo adjacent to railroad to Woodland, 1.1 miles north of Davis. Comment
  UCD35488  Plantago elongata Beecher Crampton 1957-4-4 3916 Yolo Yolo County; ca. six miles northeast of Davis, along County Road 103. Comment
  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
  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
  UCD124461  Plantago erecta R. H. Miller 1949-4-3 10 Yolo Putah Canyon. Comment
  UCD124498  Plantago erecta M. Wiesendanger 1927-4-29 620 Yolo Esparto. Comment
  UCD124586  Plantago lanceolata Chas. Heiser 1947-7-6 1946 Yolo Davis. Comment
  UCD96058  Platystemon californicus P. B. Kennedy 1916-3-20 s.n. Yolo Davis, on Davis Farm. Comment
  RSA801979  Plectritis ciliosa Keith E. Hoffmaster 1939-4-6 907 Yolo Putah Canyon. Comment
  UCD168410  Plectritis congesta subsp. brachystemon Ellen Dean; M. Hoshovsky 2017-4-18 9320 Yolo Audubon Bobcat Ranch. Lands to the north of Hwy 128. Eastern portion of ranch north of ranch headquarters in a canyon to the south of Rattlesnake Rock. Area has burned three times in the past three years. 179 Comment
  UCD58059  Plectritis congesta subsp. brachystemon Ellen Dean; K. Mawdsley 2007-4-6 3599 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
  JEPS6915  Plectritis macrocera S. C. Dyal, A. Carter, E. Crum 1938-5-6 694 Yolo in northern Yolo County northern Yolo County Comment
  UC999828  Plectritis macrocera S. C. Dyal, A. Carter, E. Crum 1938-5-6 694 Yolo in northern Yolo County northern Yolo County Comment
  UCD147300  Pleuropogon californicus Carol W. Witham 2003-4-11 941 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD21328  Pleuropogon californicus J. Shepard 2000-6-3 299 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
  UCD33055  Pleuropogon californicus Beecher Crampton 1966-4-19 7652 Yolo Yolo County, 1/4 mile south of Saxon station site. Comment
  UCD33789  Pleuropogon californicus Beecher Crampton 1973-4-16 8918 Yolo 1 mile SW of Saxon Station. 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
  UCD18426  Poa annua Gabor Bethlenfalvay 1973-4-23 3 Yolo city of Davis, Covell Blvd. and Anderson Rd. 15 Comment
  UCD36834  Poa annua Beecher Crampton 1956-2-7 3216 Yolo Yolo County, city of Winters eastern city limits. Comment
  UCD90340  Poa annua Beecher Crampton 1956-2-7 3216 Yolo Yolo County, city of Winters eastern city limits. Comment
  UCR119155  Poa bulbosa Beecher Crampton 1961-4-3 5848 Yolo Sacramento Valley, City of Davis. Southern Pacific railroad station. 15 Comment
  UCD36174  Poa pratensis Beecher Crampton 1953-3-29 1038 Yolo Yolo County, city of Davis. Comment
  UCD91921  Poa pratensis P. H. Lehigh 1950-5-14 s.n. Yolo Davis. Comment
  UCD73724  Poa secunda Ayzik Solomeshch 2004-5-14 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  SEINET11695799  Poa secunda Unknown 1953-3-23 1017 Yolo 6 mi W of Winters, Putah Canyon Comment
  UCD92109  Poa secunda subsp. secunda M. Wiesendanger 1927-4-29 616 Yolo Esparto. Comment
  UCD22768  Podocarpus gracilior Collector unknown 1988-1-4 s.n. Yolo Environmental Horticulture building. Comment
  SDSU21412  Pogogyne douglasii Carol Witham 2015-5-8 1473 Yolo CDFW Ranch. Vernal pool approximately 230 meters sautheast of junction of roads 38 and 105. Comment
  RSA654047  Pogogyne douglasii subsp. parviflora Beecher Crampton 1975-5-23 9203 Yolo 1 mile SW of Saxon Station Comment
  JEPS41120  Polygonum aviculare subsp. aviculare Rimo Bacigalupi, L. R. Heckard and C. L. Custer 1965-10-4 9130 Yolo along n-s lateral road 0.9 mi n Hebron Siding (Sacramento Northern Railroad) (1.9 mi ene of Woodland flanking waste water disposal areas on both sides of road) 10 Comment
  UCD99997  Polygonum aviculare subsp. depressum P. M. Goodwin 1932-5-3 s.n. Yolo Davis. Comment
  UCD99836  Polygonum aviculare subsp. neglectum J. A. Ogle 1924-6-1 s.n. Yolo South of Dixon. Comment
  UCR190479  Polygonum lapathifolium George K. Helmkamp, E. A. Helmkamp 2007-9-17 12971 Yolo Sacramento Valley, along CA-16 at Madison, at junction with County Road-89, about 9 miles west of Brower's Corner in Woodland 43 Comment
  POM181760  Polygonum lapathifolium H. F. Copeland 1925-9-20 562 Yolo Yolo County: W bank of Sacramento River. Comment
  UC1562682  Polygonum persicaria Barbara Ertter 1988-10-21 7989 Yolo at Rd 89 crossing just w I-505 (e of gravel pits 1.5 mi n of Madison, ca 10 air mi w of Woodland); Sacramento Valley, Cache Creek 36 Comment
  UC1562671  Polygonum punctatum Barbara Ertter 1988-10-21 7990 Yolo creek at road crossing just w I-505 (e of gravel pits 1.5 mi n of Madison, ca 10 air mi w of Woodland); Sacramento Valley, Cache Creek 36 Comment
  UCD47763  Polypodium calirhiza M. K. Voigt; E. Sweeney and M. Miller 2002-4-13 18 Yolo Mclaughlin UC Reserve. W side of Davis Creek Reservoir, S of road that goes from Soda Spring area to Rayhouse Rd. Ca. 0.5 airline mile due N of Soda Springs and Ca. 1.0 airline mile WNW of UC Davis Aquatic Lab facility. Along edges of running stream and slopes to the north and south of stream on the W side of the road. 487 Comment
  SACT002110  Polypogon interruptus John Willoughby 1976-7-29 Yolo at fishing access, moist ground, riparian woodland 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
  UCD91181  Polypogon maritimus Beecher Crampton 1957-5-14 4023 Yolo 1.3 miles west of Zamora. Comment
  CAS-BOT-BC232561  Polypogon monspeliensis Roxana Stinchfield 1916-6-25 317 Yolo In Tule near mouth of Buckeye Creek Comment
  CDA9626  Polypogon monspeliensis D. G. Kelch 2007-5-18 7 .318 Yolo Yolo Causeway, 0.4 mi E of Levee Rd. / RR crossing. Comment
  HSC10836  Polypogon monspeliensis C. B. Wolf 1928-5-8 2152 Yolo 12 mi. N of Dixon on the Pacific Hwy. Comment
  SACT002032  Polypogon monspeliensis Brian Brown 1975-10-10 Yolo Dry habitat 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
  UCD21303  Polypogon monspeliensis J. Shepard; Vince Forcella 2000-5-13 244 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, past parking lots on south side, along track to the south in field. 12 Comment
  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
  UCD36620  Polypogon viridis Beecher Crampton 1955-5-20 2803 Yolo Yolo County, city of Davis. Comment
  UCD91486  Polypogon viridis M. Wiesendanger 1927-5-4 1580 Yolo Putah Canyon. Comment
  RSA273241  Populus fremontii Glenn A. Gorelick 1965-10-3 s.n. Yolo Along Putah Creek. Davis. Comment
  SBBG15062  Populus fremontii Lynn B. Hendrix 1962-4-28 30 Yolo University of California campus, Davis Comment
  UCR115043  Populus fremontii G. Fred Hrusa, T. D. Wilfred 1995-4-12 12065 Yolo Sacramento Valley, along Tule Canal immediately north [=west] of Sacramento River at Interstate 5 crossing 75 Comment
Read comments
Oct 9 2010
  UCD110620  Populus fremontii subsp. fremontii Cay Collette 1975-4-12 8 Yolo Knight's Landing. Approx. 15' from Sacramento River. 15 Comment
  UCD110638  Populus fremontii subsp. fremontii H. B. Nidever 1951-5-25 25 Yolo 1 mile west of Cannon Ball, Putah Canyon. Comment
  UCD110647  Populus fremontii subsp. fremontii Pamela G. Riley; B. Harker and J. MacLean 2002-4-27 120 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. Comment
  UCD138300  Potamogeton gramineus David F. Spencer 1989-7-13 s.n. Yolo University of California campus, U.S.D.A. Aquatic Weed Laboratory. Comment
  UCD113974  Poterium sanguisorba D. H. Hartmann 1941-6-28 s.n. Yolo Davis, near Agronomy plots. Comment
  UCD34112  Proboscidea Beecher Crampton 1976-8-9 9405 Yolo Road 29 W of Hwy. 113. Comment
  CDA15580  Proboscidea louisianica G. F. Hrusa 1998-7-5 14667 Yolo North Coast Ranges; Immediately S of Guinda on Hwy 16. Comment
  UCD122111  Proboscidea louisianica subsp. louisianica M. Ensign 1943-8-13 s.n. Yolo near Water Works, Davis. Comment
  UCD18510  Prosopis chilensis W. R. Russell 1959-6-26 s.n. Yolo city of Winters, 400 block Main St. Comment
  SEINET5737703 Image available Prosopis pubescens Shirley C. Tucker 1988-1 28889 Yolo Arboretum, University of California, Davis.; Univ. of California, Davis Comment
  SEINET10773927  Prunus Stephanie Frischie 2000-9-30 Frischie 92 Yolo Davis Farmers' Market, Davis, CA. Comment
  UCD149738  Prunus dulcis Ellen Dean 2014-3-20 s.n. Yolo California, Yolo County, Davis. Backyard of 708 Mulberry Lane. 18 Comment
  UCD22751  Prunus subhirtella A. T. Leiser 1979-4-5 s.n. Yolo Block C Plant 19, Tree 1, UCD. Comment
  UCD20569  Pseudognaphalium californicum E. Dean; with M. Bibbo 2002-7-5 1110 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
  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
  CAS-BOT-BC357196  Pseudognaphalium luteoalbum Clarence R. Quick 1970-5-31 70 -18 Yolo Merritt Island near Clarksburg Comment
  UCD21196  Pseudognaphalium luteoalbum J. Shepard 2000-2-19 50 Yolo Grasslands Park. East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. Northeast of parking lot, south of mound of soil behind archery target. 12 Comment
  UCD81023  Pseudognaphalium luteoalbum Ellen Dean; Gordon Harrington 2009-4-1 5366 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. 9 Comment
  CAS-BOT-BC357581  Pseudognaphalium stramineum Clarence R. Quick 1970-7-8 70 -31 Yolo In yard of Nettie M. Plyman, Merrit [Merritt] Island near Clarksburg Comment
  UCD133715  Psilocarphus brevissimus Beecher Crampton 1978-5-8 9573 Yolo 1/4 mile south of Saxon Station. NE. quarter. Comment
  UCD21235  Psilocarphus brevissimus var. brevissimus J. Shepard 2000-4-9 118 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. In field south of entrance road, east of all archery ranges. 12 Comment
  CDA8504  Psilocarphus brevissimus var. multiflorus G. D. Barbe 1984-4-25 4155 Yolo Western edge of Yolo By-pass at Glide Ranch, east of Road 106 and 1.4 miles south of Road 36. Comment
  UC1278028  Psilocarphus oregonus B. Crampton 1952-11-7 912 Yolo 3 mi nw Davis Comment
  UCD21267  Psilocarphus oregonus J. Shepard 2000-4-30 157 a Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, past parking lots in field. In and between a rutted dirt track going south. 12 Comment
  UCD23206  Psilocarphus oregonus A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCD73618  Psilocarphus tenellus Ellen Dean; Elizabeth Goebel 2008-4-7 4745 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat, west of Dry Creek road crossing. 83 Comment
  RSA0054940  Psoralea Keith E. Hoffmaster 1939-4-26 933 Yolo Putah can. Comment
  UCD117079  Ptelea crenulata W. A. Williams 1975-9-18 s.n. Yolo 8 miles NW of Esparto, E slope of Bald Mountain. Comment
  UCD34177  Pterocarya stenoptera Beecher Crampton 1977-8-23 9523 Yolo Yolo County, Davis, Stree tree along 5th street between C and D streets. Comment
  SEINET5728077 Image available Pterostegia drymarioides James K. McGrath 1963-1 13 Yolo On. State Hwy 128, ca. 18 mi. W of Winters, near Recreation Beach.; Winters Comment
  CAS-BOT-BC239829  Puccinellia nuttalliana Beecher Crampton 1978-6-26 9604 Yolo 4 miles S.E. of Woodland Comment
  UCD15448  Puccinellia nuttalliana Gene Bishop 1997-5-15 s.n. Yolo California, Yolo Co.; on Conway Farms property; ca. 400 yards east of Road 103, ca. 1 mile north of the intersection of Road 27 and Road 103; 30 Comment
  UCD93370  Puccinellia nuttalliana Beecher Crampton 1953-5-5 1207 Yolo 6 miles NE Davis. Comment
  SBBG115385  Puccinellia simplex B. Crampton 1985-4-10 9914 Yolo 3.5 mi SE of Woodland Comment
  SBBG115407  Puccinellia simplex B. Crampton 1961-3-27 5846 Yolo ca. 1.5 mi N of city of Davis 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
  UCD37544  Puccinellia simplex Beecher Crampton 1955-3-28 2346 Yolo Yolo County, 4.5-5 miles southeast of Woodland, at junction of County Roads 25 and 103. Comment
  UCD92217  Puccinellia simplex A. A. Beetle 1946-4-15 4672 Yolo Woodland airport. Comment
  UCD92226  Puccinellia simplex Beecher Crampton 1957-5-14 4018 Yolo 2 miles east of Zamora, junction road 13 with road 95. Comment
  HSC10883  Puccinellia simplex J. V. Lenz 1947-4-24 Yolo North of Davis Comment
  UCD18533  Pulmonaria June McCaskill; with C. H. Lamoureux 1954-5-13 305 Yolo city of Davis, UC Davis campus, west side of Robbins Hall Annex. Comment
  SEINET10890763  Punica granatum Stephanie Frischie 2000-10-7 Frischie 123 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET10773906  Pyrus Stephanie Frischie 2000-10-7 Frischie 109 Yolo Davis Farmers' Market, Davis, CA. Comment
  CAS-BOT-BC36630  Quercus C. R. Quick 1972-9-7 7241 Yolo Merritt Island, about 20 miles SSW of Sacramento, just west of the Sacramento River in the SE corner of Yolo County Comment
  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
  UCD56593  Quercus Russell Gripp 1984-11-21 s.n. Yolo 223 Gibson Road. In backyard of Chauncey and Avis Irvine. Comment
  SBBG104700  Quercus X morehus V. C. Forcella 1987-11-22 Yolo St Hwy 16, a few mi N of Guinda Comment
  UCD162344  Quercus X morehus Craig Thomsen 2006-5-18 2699 Yolo Camp Haswell Otis Ranch Regional Park. West side of Cache Creek Comment
  UC993153  Quercus douglasii J. M. Tucker 1948-9-22 1870 Yolo 1.3 mi w Guinda Comment
  UCD45653  Quercus douglasii D. Q. Cavagnaro 1963-10-18 221 Yolo Beside road across fence from apricot orchard. 2 miles west of Winters, Yolo County, California. Elevation 50 feet. 15 Comment
  CDA11240  Quercus lobata G. F. Hrusa, T. D. Wilfred 1994-4-9 11737 Yolo University of California, Davis: Putah Creek Riparian Reserve. Approximately 1/2 m. W of Hopkins Rd. terminus. Comment
  CDA35911  Quercus lobata P. Akers 2002-9-19 StB- 079 Yolo Sacramento Valley; E of Marysville on Smartville & Beale AFB Rd, 0.1 mi S of Waldo Rd. 94 Comment
  UCD34166  Quercus lobata Beecher Crampton 1977-6-16 9503 Yolo county road 32, 1 mile west of the Fairfield school. Comment
  UCD46882  Quercus lobata Beecher Crampton 1977-6-16 9503 Yolo County Road 32, 1 mile west of the Fairfield School. Comment
  UCD63074  Quercus lobata Ellen Dean 2008-4-9 4783 Yolo Tuleyome Ireland Ranch. Central part of Ranch. Upper reaches of main canyon that starts near upper part of main loop road. In drainage that leads to canyon downslope of stock pond. 602 Comment
  UCD47277  Quercus shumardii Don K. Sexton 1955-10-16 90 #5 Yolo Highway 40, center strip, just south of State Forest Nursery, north of Davis, California. Comment
  UCD47280  Quercus shumardii Anju K. Riar 1992-6-4 6 Yolo c. 1 mile e. of Mace Blvd. exit, 20 feet from hwy 80; 10 Comment
  RSA735199  Quercus wislizeni Keith E. Hoffmaster 1946-3-29 1066 Yolo Putah Canyon, near Napa County line. Comment
  UCD59371  Quercus wislizeni Ellen Dean; Kate Mawdsley 2007-6-8 3846 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. North of berm along dry drainage. 627 Comment
  UCR239602  Quercus wislizeni var. wislizeni George K. Helmkamp, E. A. Helmkamp 2007-9-17 12973 Yolo West edge of Sacramento Valley, Capay Valley, Brick Chimney Canyon; along County Road-78A, 2.4 miles southwest of its junction with CA-16 and about 3 miles west of Capay 113 Comment
  UC638699  Rafinesquia californica Ethel Crum 1938-5-7 2004 Yolo 4 mi n Rumsey; Inner North Coast Range, Cache Creek Canyon 152 Comment
  UCD160157  Ranunculus aquatilis var. diffusus Aaron Goodman 2015-4-12 1 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. 188 Comment
  UCD95971  Ranunculus californicus Ogden C. Riddle 1942-3-30 35 Yolo 5 miles west of Davis on Winters Highway. Comment
  UC118267  Ranunculus canus var. canus J. W. B. 1893-3-8 Yolo Woodland Comment
  RSA590185  Ranunculus hebecarpus Michael A. Vincent, Robert M. Rhode 1996-3-30 7270 a Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16 , ca. 2 miles S of Colusa Co. Line. Comment
  RSA82832  Ranunculus hebecarpus R. B. Griffith 1949-4-11 17 Yolo Yolo County: E of Cache Creek, 5.5 miles N of Rumsey Comment
  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
  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
  SEINET10735197  Raphanus sativus Stephanie Frischie 2000-9-27 Frischie 85 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET11261078  Raphanus sativus Michelle Mahoney 1965-5-1 17 Yolo 3rd Street, Davis.; 0 15 Comment
  UCD38822  Raphanus sativus Beecher Crampton 1958-1-7 4657 Yolo West Sacramento. Comment
  UCD115171  Raphanus sativus Beecher Crampton 1953-4-27 s.n. Yolo 3 miles west of Winters. Comment
  CAS-BOT-BC55969  Rhamnus ilicifolia Roxana Stinchfield 1916-6-26 346 Yolo Foothills near Dunnigan De ?ly Sheep Ranch Comment
  SBBG4067  Rhus aromatica S. Shannon 1959-3-20 1 Yolo Cache Crk cyn, 6 mi NW of Rumsey, St Hwy 16 Comment
  RSA783300  Rhus trilobata R. R. Halse 2010-3-21 7831 Yolo Along State Hwy 16 ca. 7.6 miles S of its junction with State Hwy 20 or 5.7 miles NW of Rumsey. 180 Comment
  SEINET3871794  Rhus trilobata Richard R. Halse 2010-3-21 7831 Yolo Along State Hwy. 16 ca 7.6 miles S of its junction with State Hwy. 20 or 5.7 miles northwest of Rumsey.; 0 180 Comment
  UCD142320  Ricinus communis K. Esau; D. Hartmann 1941-8-19 s.n. Yolo Knights Landing. Comment
  UCD108404  Robinia pseudoacacia David Barnett 1982-5-2 36 Yolo W. Davis on Road 97 between Roads 31 and 32 near Butler Nursery. Comment
  SEINET11133090 Image available Robinia pseudoacacia June McCaskill 1954-4-20 232 Yolo along north side of street running between Botany Building and Temporary Building 4, University of California, Davis Comment
  CAS-BOT-BC74439  Rorippa curvisiliqua Roxana Stinchfield 1916-6-25 327 Yolo In Tule near mouth of Buckeye Creek. Comment
  UCD34651  Rosa californica Beecher Crampton 1987-4-25 10095 Yolo Solano County border, Mace road crossing of south fork of Putah Creek, ca. 3 miles SE of Davis. Comment
  UCD32889  Rostraria cristata Beecher Crampton 1965-4-27 7298 Yolo Yolo County, 3 miles N.W. of Dunnigan, County road between forks of Buckeye Creek, 14.5 miles N. Capay. Comment
  UCD143935  Rubus Ellen Dean; K. MacMillen 2013-8-9 7941 Yolo Downstream of Monticello Dam along Hwy 128, north side of Putah Creek in Putah Creek Vegetation Survey Plot INT3D. 45 Comment
  UCD89709  Rubus armeniacus Lindsay Clark 2008-6-16 DVS 3 Yolo In overgrown garden south of Orchard Park Apartments, UC Davis campus just east of 113. 16 Comment
  UCD167574  Rubus ursinus H. Olmo; T. S. Mallah 1952-3-1 52 08 21M Yolo California. Yolo County: UC Davis Experimental Plots. Comment
  UCD141668  Rumex conglomeratus Ellen Dean; M. Taylor, K. MacMillan 2013-6-13 7793 Yolo City of Davis South Fork Preserve, along Mace Blvd. (County Road 104) south of the City of Davis boundary. North bank of Putah Creek in Plot MBN 4E of the Putah Creek vegetation survey. 9 Comment
  UCD101136  Rumex crispus A. S. Crafts 1926-7-8 439 Yolo University Farm Campus, Davis. 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
  SEINET4200294  Rumex crispus G. Cook 1959-3-28 7 Yolo 10 miles north of Davis on a backroad by a drain ditch 15 Comment
  SEINET5728116 Image available Rumex crispus Lorraine Perry 1967-1 24 Yolo Putah Creek, near Woodland Freeway.; Davis 15 Comment
  UCD14393  Rumex crispus G. Robinson 1984-5-1 19 Yolo Yolo Co.; at the intersection of Hutchinson and Airport Road; 15 Comment
  SD257360  Rumex dentatus George K. Helmkamp, Mary Alice Barnes 2013-5-8 20508 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
  UCD100939  Rumex dentatus Robert E. Preston 1994-8-13 679 Yolo ca. 2 mi n of Davis, on ne corner of the jct of County Rds 29 and 100A. 14 Comment
  UCD101308  Rumex hymenosepalus Beecher Crampton 1959-5-18 s.n. Yolo UC Davis: Agronomy Experimental Areas, Davis campus. Comment
  UCD15908  Ruta graveolens Leticia Mosqueda 1975-2-2 s.n. Yolo City of Woodland. Obtained from the Mosqueda family (Alicia and Concepcion) at 319 North Walnut Street. Comment
  CDA19780  Saccharum ravennae J. Chesi 2001-8-11 s.n. Yolo Northern California; Route 16 mile marker 3.22 overlooking level of Cache Creek. 6-7 ft tall, common in area. 0 Comment
  UCD35233  Sagittaria longiloba Beecher Crampton 1954-9-28 2279 Yolo 5 miles east of Davis. Comment
  CHSC79155  Salicornia subterminalis B. Crampton 1952-11-4 908 Yolo About 1.5 miles east of Woodland. Comment
  RSA735360  Salix Keith E. Hoffmaster 1946-4-13 1235 Yolo Putah Canyon. Comment
  UC1786433  Salix breweri Edward L. Smith 1966-4-8 722 Yolo Putah Canyon near Solano/Yolo county line. Comment
  UCD110785  Salix breweri Edward L. Smith 1967-4-8 s.n. Yolo Putah Creek Canyon; at Monticello Dam, ca. 7 miles west of Winters. 76 Comment
  UCD110798  Salix breweri Edward L. Smith 1967-8-10 910 Yolo Putah Creek Canyon, 7 miles west of Winters. 76 Comment
  CHSC9581  Salix exigua E. L. Smith 1971-4-29 955 Yolo Ca. 12.8 km w of Winters, in Putah Creek Canyon about 2 km below Monticello Dam. 76 Comment
  UCD110904  Salix exigua Beecher Crampton 1976-3-20 9361 Yolo Yolo County, Vaca Mtns. Putah Creek canyon, ca. 8 miles west of Winters. Comment
  UCD110922  Salix exigua Carole Eastman 1976-6-9 s.n. Yolo At last willow stand before approaching DQU entrance road located on left going west from Davis. Comment
  UCD15079  Salix exigua Steven E. Smith 1977-4-15 12 Yolo Yolo Co.; U.C. Davis, on the north bank of the South Fork of Putah Creek (1/4 mile) east of Old Davis Road, 1.3 miles south of Mrak Hall; 15 Comment
  UCD22745  Salix exigua Kristine L. Preston 1988-5-3 23 Yolo Empty lot 50 yards west of intersection of Hwy 16 and Riverbank Road, West Sacramento. 6 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-BC227868  Salix exigua var. hindsiana Beecher Crampton 1986-9-3 10061 Yolo 4 miles N.W. of Davis, Willow Slough and road 99 Comment
  HSC62849  Salix exigua var. hindsiana J. M. DiTomaso 1979-5-12 996 Yolo Next to Putah Creek below Monticello Dam 91 Comment
  CAS-BOT-BC227867  Salix fluviatilis Beecher Crampton 1986-9-4 10065 Yolo Solano County border, Mace road crossing at south fork of Putah Creek ca. 3 miles S.E. of Davis Comment
  UCR148139  Salix fluviatilis Beecher Crampton 1986-9-4 10065 Yolo Solano County border, Mace road crossing at S fork of Putah Creek, c. 3 mi SE of Davis Comment
  CAS-BOT-BC104024  Salix gooddingii H. K. Wagnon 1983-4-25 1715 Yolo West Sacramento near the locks along Sacramento River Comment
  CAS-BOT-BC104027  Salix gooddingii Roxana Stinchfield 1916-7-1 480 Yolo mouth of Buckeye Cr. Comment
  CAS-BOT-BC104028  Salix gooddingii A. A. Heller 1902-4-29 5419 Yolo Near Madison Comment
  CHSC114277  Salix gooddingii D. G. Kelch 2007-5-18 07 .317 Yolo Yolo Causeway, 04. mi E of Levee Rd. / RR crossing. 4 Comment
  SEINET3101774  Salix gooddingii Maura Cullinane 1983-5-10 20 Yolo North on Frontage road from Davis, turn left at Golf Course and go until cross stream, site #6. 15 Comment
  UC75011  Salix gooddingii C. F. Baker 1903-5-7 2936 Yolo Rumsey Comment
  UCD110962  Salix gooddingii G. F. Hrusa 1996-3-25 12698 Yolo S bank of Tule Canal, approx. 1/2 mile E of Interstate 5 on S side of Yolo Bypass. 30 Comment
  SBBG1234  Salix laevigata Milton Workman 1953-3-21 16 Yolo Putah Crk near rodeo arena, University of California, Davis 12 Comment
  SBBG1235  Salix laevigata Milton Workman 1953-3-21 14 Yolo Putah Crk bank, near rodeo arena, University of California, Davis Comment
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Jun 12 2008
  UCD111142  Salix laevigata Milton Workman 1953-3-21 16 Yolo Putah Creek bank near rodeo arena, University of California, Davis. 12 Comment
  UCD16132  Salix laevigata Gregory Brickner 1984-4-7 2 Yolo California. Yolo County: along the banks of Putah Creek near Stevenson's Bridge. 24 Comment
  UCD34644  Salix laevigata Beecher Crampton 1987-3-31 10089 Yolo Yolo County, 6.5 miles west of Winters along Putah Creek. Comment
  UCD34645  Salix laevigata Beecher Crampton 1987-3-31 10090 Yolo Yolo County, 6.5 miles west of Winters along Putah Creek. Comment
  UCD34618  Salix lasiandra var. lasiandra Beecher Crampton 1986-9-3 10064 Yolo Yolo County, 3.5 miles S.E. of Woodland, Willow Slough and road 103. Comment
  UCD34673  Salix lasiandra var. lasiandra Beecher Crampton 1987-5-11 10117 Yolo Yolo County, County road 103 and Willow Slough. Comment
  CAS-BOT-BC106977  Salix lasiolepis Beecher Crampton 1987-3-31 10088 Yolo 6.5 miles west of Winters along Putah Creek Comment
  UCD34623  Salix lasiolepis Beecher Crampton 1986-9-8 10069 Yolo Yolo County, Sacramento River, 3.5 miles north of Elkhorn, sandy flat. Comment
  UCD111755  Salix melanopsis Collector unknown 1925-6-20 1929 Yolo Putah Canyon. Comment
  UCD111762  Salix melanopsis Cay Collette 1975-5-31 24 Yolo Knight's Landing. 15' from Sacramento River. 15 Comment
  UCD161081  Salix melanopsis Craig Thomsen 2006-6-30 2625 Yolo Rumsey Canyon along Cache Creek. Otis-Camp Haswell Yolo County Park. West side of Cache Creek. 144 Comment
  UCR119146  Salpichroa origanifolia Beecher Crampton 1977-8-23 9522 Yolo Sacramento Valley, Davis, along G St. between 5th and 6th Streets. 15 Comment
  CAS-BOT-BC403783  Salpichroa origanifolia Beecher Crampton 1977-8-23 9522 Yolo Davis. Vacant lot along G st. between 5 and 6 streets Comment
  UCD126789  Salpichroa origanifolia Q. L. Holdeman 1970-6-12 s.n. Yolo Davis, northwest corner of 5th and G Streets. Comment
  UCD162400  Salpichroa origanifolia Q. L. Holdeman 1970-6-12 s.n. Yolo Davis, northwest corner of 5th and G streets. Comment
  UCD162383  Salpichroa rhomboidea Geraldine Y. Rippengale 1988-10-1 s.n. Yolo just west of Yolo Airport, on Rippengale property, between county roads 29 and 31. West side of County Road 95; around pump area. Comment
  UCD33613  Salpichroa rhomboidea Beecher Crampton 1970-8-31 8649 Yolo Davis. Comment
  UCD21313  Salsola tragus J. Shepard 2000-5-20 260 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. Past parking lot on north side of entrance road. Growing in mounds of soil used as backstops for archery targets. 12 Comment
  UCD21346  Salsola tragus J. Shepard 2000-10-24 346 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. East of first parking lot on south side. 12 Comment
  UCD38944  Salsola tragus Beecher Crampton 1961-10-17 6030 Yolo UC- Davis campus southeast of the airport, along old Putah Creek channel. Comment
  UCD41147  Salvia apiana N. Nicola 2002-6-12 231 Yolo Eastern foothills of inner north coast range, Capay Valley. North of Guinda, Rd 43 off Hwy 16; Fullbelly Farm. Comment
  JEPS15255  Salvia carduacea Rimo Bacigalupi with S. Galen Smith 1950-4-16 3127 Yolo about 5 mi nw Rumsey (at bend in Cache Creek Canyon; at Yolo - Colusa County boundary, e edge of Inner North Coast Ranges); Inner North Coast Ranges Comment
  UCD160549  Salvia columbariae Ellen Dean; Craig Thomsen 2015-3-21 8603 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
  SEINET893233  Salvia microphylla June McCaskill 1954-1 314 Yolo 914 D Street, Davis Comment
  UCD125614  Salvia spathacea J. D. Clark 1995-5-27 5 Yolo along Mix Canyon Road, approximately 1/2 mile from intersection with Pleasant Valley Road in Winters. 45 Comment
  UCD15597  Sambucus mexicana Lisa Montany 1985-5-1 11 Yolo North bank of Putah Creek, approx. 0.25 miles west of Rd 98. 21 Comment
  CAS-BOT-BC245830  Sambucus nigra subsp. caerulea Clarence R. Quick 1970-5-21 70 -14 Yolo Merritt Island near Clarksburg Comment
  CAS-BOT-BC245832  Sambucus nigra subsp. caerulea H. Popenoe 1949-6-2 28 Yolo By Winters-Davis flight strip Comment
  UCD13193  Sambucus nigra subsp. caerulea Steven Scardaci 1976-4-28 26 Yolo Davis. 100 ft from the intersection of Russell Blvd. and La Rue Rd. Comment
  UCD137618  Sambucus nigra subsp. caerulea A. S. Crafts 1926-6-1 163 Yolo University Farm Campus, Davis. Putah Creek. Comment
  UCD67990  Sambucus nigra subsp. caerulea M. Thibodeau 1995-5-24 21 Yolo Along Putah Creek, at University of California, Davis picnic grounds. Found on North side of creek, on streambank. A large shrub. 17 Comment
  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
  UCD137655  Sambucus nigra subsp. caerulea R. Koch 1996-6-5 23 Yolo city of Davis. Along roadside of Arlington Blvd. in West Davis, by Aspen Wildlife area. 15 Comment
  UCD127643  Sanicula bipinnata Beecher Crampton 1978-3-16 9545 Yolo 2 miles west of Winters. Comment
  UCD56747  Sanicula bipinnatifida Ellen Dean; M. Bibbo 2007-3-23 3439 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
  UCD127649  Sanicula bipinnatifida Beecher Crampton 1978-3-16 9546 Yolo 2 miles west of Winters. Foothills. Comment
  RSA0048659  Sanicula menziesii Keith E. Hoffmaster 1924-4-24 1183 Yolo Putah Can. Comment
  UCD128063  Scandix pecten-veneris Vincent Chang 1966-3-24 20 Yolo State Highway 128, 2 miles west of Winters. 39 Comment
  CAS-BOT-BC278222  Schedonorus arundinaceus C. R. Quick 1973-5-7 73 -1 Yolo East of Elk Slough. Merritt Island, about 20 miles SSW of Sacramento, SE corner of Yolo Co. Comment
  UCD50084  Schoenoplectus acutus var. occidentalis S. C. Hanson 1949-5-15 5 Yolo Along irrigation ditch east of Yolo Bypass, 2 miles northwest of Sacramento. Comment
  UCD141684  Schoenoplectus pungens var. longispicatus Ellen Dean; M. Taylor 2013-6-19 7799 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
  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
  UCD168993  Scrophularia californica Ellen Dean; C. Thomsen and M. Hoshovsky 2017-3-29 9296 Yolo Audubon Bobcat Ranch. West side of ranh, north of Hwy 128, near western property boundary. Top of ridge on the west side of Bray Canyon near old undeveloped road that leads to a flat area (old helipad?). Area has burned three times in the last three years. 320 Comment
  UC972272  Secale G. L. Stebbins Jr. 1952-7-17 Yolo Davis Comment
  UC972290  Secale G. L. Stebbins Jr. 1952-10-22 Yolo Davis Comment
  RSA0074776  Sedum spathulifolium C. F. Baker 1907-3-6 3236 Yolo Cache Creek Canyon. Comment
  UCD80912  Senecio vulgaris Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5316 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. 9 Comment
  CAS-BOT-BC364705  Senecio vulgaris Roxana S. Ferris 1917-4-20 700 Yolo Near Dunnigan Comment
  UCD133860  Senecio vulgaris Beecher Crampton 1977-3-2 9449 Yolo Davis. Comment
  UCR179179  Sesbania punicea Barry Rice 2004-6-2 040601 Yolo Sacramento Valley, in the city of Davis 15 Comment
  UCD39904  Setaria italica Beecher Crampton 1959-11-2 s.n. Yolo UC Davis campus, Agronomy Experimental Area. Comment
  UCD32955  Setaria parviflora Beecher Crampton 1965-7-27 7474 Yolo Yolo County, 2.5 miles N.N.W. of Davis on US Hwy. 99. Comment
  UCD92621  Setaria parviflora Arthur M. Shapiro 1982-8-31 s.n. Yolo UCD campus, edge of bike path near Ryerson Hall just east of La Rue Road. Comment
  CHSC46053  Setaria pumila June McCaskill; Katherine Onaga 1962-8-9 657 Yolo Along ditch at north side of road; County Road 31, .3 mile east of junction with U.S. Highway 99W (Alternate 40). Comment
  CHSC79427  Setaria pumila Beecher Crampton 1955-9-29 3163 Yolo 1.5 north of city of Davis, along U. S. Highway 99W. Comment
  SEINET11685197  Setaria pumila J. McCaskill, Onaga, K. 1962-1 657 Yolo County Rd 31, 0.3 mi E of junction with US 99W (Alternate 40) Comment
  SBBG115906  Setaria verticillata B. Crampton 1961-7-14 5930 Yolo city of Davis Comment
  SBBG26365  Setaria verticillata B. Crampton 1964-8-3 7137 Yolo Davis Comment
  UCD32822  Setaria verticillata Beecher Crampton 1964-8-3 7137 Yolo Yolo County, Davis. Comment
  UCD37705  Setaria verticillata Beecher Crampton 1961-7-14 5930 Yolo Yolo County, city of Davis. Comment
  SEINET11696151  Setaria verticillata Unknown 1961-7-14 5930 Yolo city of Davis Comment
  CAS-BOT-BC240214  Setaria viridis Clarence R. Quick 1968-8-25 68 -06 Yolo Garden, Merritt Island, near junction of county roads #140 & 142, 3.5 miles south of Clarksburg Comment
  UCD34780  Setaria viridis Beecher Crampton 1989-8-17 10225 Yolo Yolo County, UC Davis agricultural services area. Comment
  UCD92852  Setaria viridis August L. Hormay Date unknown s.n. Yolo Davis. UC campus. Comment
  UCD92886  Setaria viridis Collector unknown 1925-6-16 2116 Yolo University Farm campus. Comment
  JEPS50072  Sidalcea diploscypha W. L. Jepson 1884-5-1 14078 Yolo w Winters (Putah Canyon); , w of Winters Comment
  JEPS84738  Sidalcea diploscypha John W. Willoughby 1977-4-27 2239 Yolo hills n of State Highway 128 at fishing access 1.2 mi nw of the junction of the highway and Pleasants Valley Road (County Road 86); Vaca Mountains 73 Comment
  POM61702  Sidalcea diploscypha Edward L. Greene 1903-5-7 2931 Yolo Rumsey Comment
  UCD116610  Sidalcea diploscypha H. A. Borthwick 1925-5-25 1819 Yolo Putah Canyon. Comment
  UCD116575  Sidalcea hirsuta H. A. Borthwick 1925-5-21 1821 Yolo Causeway. Comment
  UCD147028  Sidalcea keckii Robert E. Preston 2012-5-16 2874 a Yolo 6.6 mi SW of Dunnigan, in Wood Canyon. 175 Comment
  UCD23191  Sidalcea keckii A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. 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
  SBBG50725  Silene gallica D. Youngberg 1968-4-15 815 Yolo County Rd 96, 1 mi N of Fairfield School 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
  CDA37699  Silybum marianum Breckenridge/Filippini 2006-5-15 s.n. Yolo Near Madison, along Highway 16. 0 Comment
  UCD135837  Silybum marianum B. Crampton 1959-12-3 s.n. Yolo Agronomy, UC Davis Campus. Comment
  UCD73651  Sinapis Jean Shepard 2006-4-22 792 Yolo City of Davis. 3100 Loyola Dr. Grounds of Korematsu Elementary School. Comment
  CDA34914  Sinapis alba David Charlton 1990-3-3 4173 Yolo [Davis]; at the Davis Motel just north of the UC Davis Campus and adjacent to Hwy. 80. Comment
  UCD73623  Sinapis arvensis Ellen Dean; Elizabeth Goebel 2008-4-7 4750 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat, west of Dry Creek road crossing. 83 Comment
  UCD82148  Sinapis arvensis Jean Shepard 2000-3-5 62 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, on south side of road. 12 Comment
  CDA3902  Sinapis arvensis Margaret Bellue 1933-6-6 Yolo 0 Comment
  UCD115430  Sinapis arvensis J. A. Ogle 1924-6-1 s.n. Yolo Davis. Comment
  UCD82165  Sinapis arvensis Jean Shepard 2000-6-30 321 Yolo City of Davis. Intersection of Cowell Blvd. and Chiles Rd., north side. Comment
  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
  UCD19128  Sisymbrium orientale A. M. Shapiro 1985-4-11 s.n. Yolo city of Davis, UC Davis campus, Old Davis Rd. near I-80 junction. Comment
  UCD126829  Solanum americanum J. D. Skoss 1948-6-5 17 Yolo University of California campus, Davis. Comment
  UC735713  Solanum elaeagnifolium Charles B. Heiser Jr. 1946-5-20 1915 Yolo campus of University of California Davis University of California Davis Comment
  SBBG115434  Solanum elaeagnifolium B. Crampton 1964-8-2 7136 Yolo 3 mi N of Davis, Southern Pacific railroad Comment
  SEINET7262406 Image available Solanum elaeagnifolium M. Nee 1988-8-14 36781 Yolo University of California Davis campus Comment
  UCD126900  Solanum elaeagnifolium Charles B. Heiser Jr.; Walter Russell 1946-5-20 s.n. Yolo campus, University of California, Davis. Comment
  UCD39021  Solanum elaeagnifolium Beecher Crampton 1960-10-4 5784 Yolo UC-Davis Campus, northeast of Agronomy Warehouse. Comment
  UCD67387  Solanum elaeagnifolium Kara Bolden 1992-6-5 5 Yolo Davis, south roadside of Garod and West Health Science Drive. 16 Comment
  SEINET10780157  Solanum melongena Stephanie Frischie 2000-9-30 Frischie 99 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET10923182  Solanum melongena Stephanie Frischie 2000-10-7 Frischie 121 Yolo Davis Farmers' Market, Davis, CA. Comment
  UCD82158  Solanum nigrum J. Shepard 2000-4-21 147 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, then east of parking lots on S side of road. 12 Comment
  CDA20310  Solanum nigrum M. Stephenson 2001-7-23 s.n. Yolo Davis, alley east of the 500 block of D Street. 0 Comment
  NY759877  Solanum nigrum M. H. Nee 1988-8-14 36780 Yolo Campus of University of California, Davis Comment
  NY821145  Solanum parishii C. F. Baker 1903-5-8 2890 Yolo Cache Creek canon [canyon] Comment
  UCD126973  Solanum parishii S. C. Hanson 1949-5-5 14 Yolo Putah Canyon, 3.5 miles west of Winters. Comment
  UCD126984  Solanum parishii M. Phillips 1929-4-30 1973 Yolo Putah Canyon. Comment
  UCD59316  Solanum parishii Ellen Dean; Kate Mawdsley 2007-5-11 3740 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Central part of ranch near western portion of loop road. 638 Comment
  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
  NY821170  Solanum parishii B. J. Ertter 1989-5-28 8533 Yolo NW corner of Yolo Co.: Rayhouse Road 4.3 mi from Hwy 16, E side of ridge between Blue Ridge and Little Blue Ridge, 0.4 mi below crest at large roadcut, ca. 5 airmiles WSW of Rumsey 732 Comment
  UCD126997  Solanum physalifolium var. nitidibaccatum Ken Kimball 1982-4-26 s.n. Yolo exact location unknown. Comment
  UCD33866  Solanum rostratum Beecher Crampton 1974-7-8 9060 Yolo UC Davis Campus. 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
  CAS-BOT-BC58515  Solanum umbelliferum R. Stinchfield 1916-6-1 342 Yolo Mouth of Buckeye Creek Comment
  UC735730  Solanum umbelliferum Charles B. Heiser Jr. 1947-4-10 1902 Yolo about 1 mi n of Rumsey (nw of Highway 16) Comment
  UCD33425  Soliva sessilis Beecher Crampton 1968-3-13 8228 Yolo Yolo County, Vaca Mtns. Putah Creek, just below Monticello Dam. Comment
  CDA36935  Sonchus asper CDFA Staff 1998-4-22 s.n. Yolo Rominger Prop., north of County Road 19, east of County Road 92C, west of County Road 94B. 0 Comment
  UCD136147  Sonchus asper subsp. asper Collector unknown Date Unknown s.n. Yolo exact location unknown. Comment
  UCD151028  Sonchus asper subsp. asper D. S. Park 2010-6-1 109 Yolo Dixon. Edges of cornfield across st. from Walmart. 12 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
  UCD21226  Sonchus asper subsp. asper J. Shepard 2000-4-1 99 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 entry road after parking lots on S side. 12 Comment
  UCD80924  Sonchus asper subsp. asper Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5327 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
  UCD73712  Sonchus oleraceus Ayzik Solomeshch 2004-5-13 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  UCD136177  Sonchus oleraceus K. Esau 1937-5-28 s.n. Yolo Davis. Comment
  UCD92879  Sorghum J. H. Edmonds 1932-7-28 s.n. Yolo Near Woodland. Comment
  UC1476881  Sorghum bicolor T. C. Fuller and G. D. Barbe 1979-9-20 2251 Yolo s.w. Woodland (w. of Co. Rd. 95, between co. rds. 25 & 27) Comment
  UCD92784  Sorghum bicolor Beecher Crampton 1957-11-5 4645 Yolo East of West Davis Elementary School, Anderson Road, Davis. Comment
  UCD92787  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
  UCD36780  Sorghum bicolor subsp. drummondii Beecher Crampton 1955-9-6 3146 Yolo City of Davis, University of California abandoned sprinkler plots. Comment
  CAS-BOT-BC236564  Sorghum halepense Beecher Crampton 1989-9-17 10230 Yolo Villanova Drive, Davis Comment
  CDA13139  Sorghum halepense G. F. Hrusa 1996-6-24 13074 Yolo North Coast Biodiversity Arena; Along Rd. 102 immed. S of intersection with Gibson Rd. Comment
  UCD36805  Sorghum halepense Beecher Crampton 1955-10-13 3176 Yolo Davis. Comment
  UCD92666  Sorghum halepense G. F. Hrusa 1996-6-24 13074 Yolo North Coast Biodiversity Arena. Rd. 102 immed. S of intersection with Gibson Road. 15 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
  SFV1238  Spergularia bocconi S. A. Bamberg 1964-4-13 s. n. Yolo Sacramento Valley Just north of Teichert Aggregates, northeast corner of junction of County Road 29 and U. S. Highway Alternate 40, about 2 miles northwest of Davis. Comment
  UCD19487  Spergularia bocconi Terry Reedy 1974-5-18 249 Yolo 2 mi north of Covell Blvd., between Pole Line Road and old settling pond. 21 Comment
  UCD34465  Spergularia bocconi Beecher Crampton 1985-4-10 9909 Yolo Yolo County, 3.5 miles S.E. of Woodland. Comment
  HSC4244  Spergularia macrotheca C. B. Wolf 1928-5-8 2141 Yolo 12 mi. N of Dixon on the Pacific Hwy. Comment
  RSA696202  Spergularia macrotheca Keith E. Hoffmaster 1946-4-19 1044 Yolo 3-4 miles NE of Davis. Comment
  CAS-BOT-BC390252  Spergularia macrotheca var. leucantha L. R. Abrams 1928-5-8 12601 Yolo Between Woodland & Davis Comment
  POM151822  Spergularia macrotheca var. leucantha A. A. Heller, H. E. Brown 1902-4-30 5423 Yolo Near Black's. Comment
  RSA0098424  Spergularia macrotheca var. leucantha L. R. Abrams 1928-5-8 12601 Yolo Between Woodland and Davis. Comment
  UCD141582  Spergularia marina Ellen Dean 2013-4-19 7701 Yolo Along C.R. 103 near Conaway Ranch, east side of road. About 1 mile south of C.R. 25. Remnant alkali plain vegetation along ca. 50 ft. of roadside, in a sea of roadside weeds. 10 Comment
  UCD99209  Spergularia villosa J. D. Skoss 1948-5-30 s.n. Yolo 3 miles north of Davis on county road. Comment
  SEINET12723377 Image available Sphaeralcea ambigua R. H. Miller 1949-1 31 Yolo University of California arboretum, Davis Comment
  UCD93110  Sporobolus cryptandrus Beecher Crampton 1965-10-8 7536 Yolo 1 mile NE of Woodland, Kentucky Ave. Comment
  UCD93146  Sporobolus indicus Beecher Crampton 1968-7-31 8318 Yolo UC Davis Campus. East of gymnasium. Comment
  RSA32908  Stachys A. A. Heller 1929-6-2 s.n. Yolo Woodland. Comment
  UCD125786  Stachys ajugoides A. S. Crafts 1926-7-8 438 Yolo University Farm Campus, Davis. Comment
  SEINET10935817  Stachys ajugoides H. Lewis 1940-6-12 Lewis s.n. Yolo Edge of slough, 5 mi n of davis. Comment
  SEINET9291138  Stachys ajugoides Unknown 1932-5-22 Yolo Near Woodland. Comment
  UCD35641  Stachys ajugoides Beecher Crampton 1959-6-10 5341 Yolo Just north of Davis, along County Road 31. Comment
  UCD38305  Stachys ajugoides Beecher Crampton 1953-11-22 1738 Yolo 1 mile north of Davis. Comment
  RSA446630  Stachys albens Glenn A. Gorelick 1966-5-15 70097 Yolo 5 miles E of Woodland on Hwy 16. Comment
  JEPS84661  Stachys stricta John W. Willoughby 1979-8-13 4416 Yolo 1.2 mi nw Pleasant Valley Road (County Road 86) (fishing access along State Highway 128); Vaca Mountains, Putah Creek 60 Comment
  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
  CAS-BOT-BC374801  Stebbinsoseris heterocarpa Blankinship 1893-3-19 s.n. Yolo Unspecified Comment
  UCD62878  Stellaria media Chris Mosser; Plant Biology 102 students 2008-5-3 7 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. Along Bray Creek. Plant found ~ 8' from creek. 100 Comment
  UCD80943  Stellaria media Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5346 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Old rodeo area. Buildings gone now. 9 Comment
  UCR237642  Stellaria media George K. Helmkamp, E. A. Helmkamp 2012-3-9 18617 Yolo Sacramento Valley, County Road 16, 2.1 miles east of its junction with County Road 102; at the area where the road turns sharply north, c. 4 miles NE of Woodland 17 Comment
  SFV8396  Stellaria media R. Crouse 1960-3-8 18 Yolo Sacramento Valley Along Putah Creek, about 3 miles west of Davis. 15 Comment
  UCD19506  Stellaria media Terry Reedy 1974-4-10 112 Yolo Davis; between end of 5th Street and east edge of town. 21 Comment
  UCD38301  Stellaria media Beecher Crampton 1953-3-6 1744 Yolo Davis. Comment
  UCD99374  Stellaria media C. G. Baughn 1949-5-15 43 Yolo Davis. Comment
  UCD99432  Stellaria media Ogden C. Riddle 1942-3-1 4 Yolo Davis campus, near greenhouses. Comment
  UCD99443  Stellaria media J. M. Tucker 1951-2-22 2034 Yolo county road beside Aboretum, University of California campus, Davis. Comment
  UCD39779  Stevia Beecher Crampton 1975-11-8 s.n. Yolo Greenhouse grown, UC Davis Campus. 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
  SEINET242435  Stipa lagascae Beecher Crampton 1962-5-7 T.O. 2708 Yolo UC Davis agronomy experimental area, plant introduction nursery. Comment
  SEINET242441  Stipa lessingiana Beecher Crampton 1968-5-1 T.O. 4079 Yolo UC Davis Campus, Agronomy Experimental Area, Plant Introduction Nursery, row O-79 Comment
  HSC13373  Stipa pulchra J. V. Lenz 1947-3-29 Yolo Putah Canyon Comment
  SD240815  Stipa pulchra George K. Helmkamp, E. A. Helmkamp 2012-4-7 18786 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'Q) 64 Comment
  UC625472  Streptanthus glandulosus subsp. glandulosus Frank W. Gould 1938-4-22 284 Yolo on road from Rumsey to Arbuckle near Yolo-Colusa County line (on sandy slope at head of valley); Capay Valley 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
  UCD34260  Suaeda calceoliformis Beecher Crampton 1978-6-27 9616 Yolo 4 miles S.E. of Woodland. Comment
  UCD34294  Suaeda calceoliformis Beecher Crampton 1978-11-3 9674 Yolo 4 miles s.e. Woodland. Comment
  CHSC79156  Suaeda moquinii Beecher Crampton 1978-6-27 9613 Yolo 4 miles S.E. of Woodland. Comment
  UCD141583  Suaeda nigra Ellen Dean 2013-4-19 7702 Yolo Along C.R. 103 near Conaway Ranch, east side of road. About 1 mile south of C.R. 25. Remnant alkali plain vegetation along ca. 50 ft. of roadside, in a sea of roadside weeds. 10 Comment
  UCD34256  Suaeda nigra Beecher Crampton 1978-6-27 9613 Yolo 4 miles S.E. of Woodland, T9N R2E sect. 11 N.E. 1/4. Comment
  UCD81055  Suaeda nigra Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5591 Yolo city of Woodland. Woodland Regional Park. East side of County Road 102, just south of County Road 25. Old rodeo area with bare areas where buildings used to be. 9 Comment
  UCD99628  Suaeda nigra T. Kono 1964-9-1 s.n. Yolo Pole Line Rd., 2.5 mi. n. of Davis. 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
  UCD77364  Symphyotrichum chilense Robert E. Preston 1999-10-24 1250 Yolo Vic Fazio Wildlife Area, Causeway Unit. 3 Comment
  UC1051439  Symphyotrichum subulatum Herbert L. Mason 1955-8-12 14646 Yolo between Winters and Madison Comment
  SFV3145  Symphytum officinale B. J. McCaskill, K. Onaga 1961-5-3 618 Yolo Sacramento Valley Davis. In alley behind garage at 648 D Street. Comment
  UC1245157  Symphytum officinale June McCaskill and Katherine Onaga 1961-5-3 618 Yolo in alley behind garage at 648 D Street Davis Comment
  UCD18364  Symphytum officinale Hank Segall 1999-5-1 s.n. Yolo city of Davis, UC Davis campus, near student domes, Experimental Farm. Comment
  UCD142937  Tamarix aphylla Ellen Dean; T. Starbuck 2013-10-5 8005 Yolo UC Davis Putah Creek Reserve. North of Putah Creek along dirt access road by agricultural fields and small reservoir located west of Hopkins Road, adjacent to Putah Creek Vegetation Survey Plot PIC #3C. 15 Comment
  CDA5070  Tamarix parviflora G. D. Barbe 1987-4-3 4266 Yolo Yolo By-Pass, north of I-80, 5 miles east of Davis. 0 Comment
  SEINET10575098  Tamarix parviflora John F. Gaskin 1998-7-3 Gaskin 81 Yolo Hwy CA 16, 1/4 mile N of Capay, Cache Creek. Comment
  SEINET10928808  Tamarix parviflora John F. Gaskin 1998-7-3 Gaskin 83 Yolo Road 98, Putah Creek, Davis. Comment
  UC917147  Tamarix parviflora H. H. Dickson 1950-5-25 31 Yolo 7 mi w Davis (on road to Winters, in a new subdivision); Putah Creek Comment
  UCD20816  Tamarix parviflora N. Nicola 2001-3-28 032 Yolo Sacramento Valley, 4 miles west of Woodland, at Cache Creek Nature Preserve, along Cache Creek. Comment
  UCD150990  Taraxacum officinale D. S. Park 2010-5-5 70 Yolo UCD, disturbed. North-east of SLB. 11 Comment
  UC638698  Tetrapteron graciliflorum Ethel Crum 1938-5-7 2006 Yolo 3.5 mi nw Rumsey; Inner North Coast Range, Comanche Hills 213 Comment
  SEINET237213 Image available Thinopyrum ponticum B. Crampton 1955-1 2981 Yolo Adjacent to old rice fields Co Rd 102 2 mi NE of Davis Comment
  UCD115975  Thysanocarpus curvipes E. H. Stanford 1940-4-1 s.n. Yolo Putah. Comment
  UCD82325  Thysanocarpus curvipes Robin McMaster 1973-4-15 313 Yolo 3 miles NW Rumsey on Hwy 16. 152 Comment
  SEINET5738103 Image available Tipuana tipu Shirley C. Tucker 1988-1 28890 Yolo Near unused concrete bridge over Putah Creek, E end of University of California (Davis) Arboretum, Davis.; Univ. of California, Davis Comment
  SEINET5738104 Image available Tipuana tipu Shirley C. Tucker 1988-1 28890 Yolo Near unused concrete bridge over Putah Creek, E end of University of California (Davis) Arboretum, Davis.; Univ. of California, Davis Comment
  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
  UCD81068  Torilis arvensis Ellen Dean; Drew Maraglia 2009-4-15 5432 Yolo city of Woodland. Woodland Regional Park. East side of County Road 102, just south of County Road 25. 9 Comment
  UCD128148  Torilis arvensis Jeff Adcook 1982-5-25 27 Yolo ca. 5 miles north of Ramsey, 1.5 miles south of Rayhouse Road on Route 16. Comment
  UCD62906  Torilis nodosa Christa Lindsey; 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
  SFV2132  Toxicodendron diversilobum G. W. Sanderson 1960-4-13 214 Yolo Cache Creek Basin, State Highway 16, about 5 miles north of Rumsey. Growing in shade of trees along stream bank. 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
  UCD139980  Tradescantia fluminensis Shogo Yamaguchi 1955-6-12 s.n. Yolo Aggie Villa, 1st Street. Comment
  UCD142295  Triadica sebifera Barry Meyers-Rice; Elizabeth Salvia 1999-11-27 MR 991101 Yolo North Ponds' in Davis; near the intersections of F Street and Anderson Road. Comment
  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
  UCR119129  Tribulus terrestris Beecher Crampton 1961-8-1 5960 Yolo Sacramento Valley, City of Davis, Southern Pacific railroad station 15 Comment
  UCD125853  Trichostema lanceolatum M. Phillips 1929-10-1 2072 Yolo Putah Canyon. Comment
  RSA699710  Trifolium Keith E. Hoffmaster 1946-4-13 1203 Yolo Putah Canyon. Comment
  RSA699922  Trifolium Keith E. Hoffmaster 1946-3-29 1201 Yolo Putah Canyon. Comment
  UCD143712  Trifolium Beecher Crampton 1966-5-25 s.n. Yolo UC Davis agronomy experimental area, plant introduction nursery, seed increased field; planted as seed obtained from Isreal. Plant Introduction #306-627. Comment
  UCD35736  Trifolium albopurpureum Beecher Crampton 1953-4-4 1059 Yolo Rangelands west of Guinda, Capay Valley. Comment
  UCD37592  Trifolium albopurpureum Beecher Crampton 1955-4-14 2492 Yolo 2 miles northwest of Dunnigan. Comment
  SBBG29019  Trifolium albopurpureum B. Crampton 1966-4-6 7637 Yolo foothills, 2 mi W of Winters Comment
  SBBG29025  Trifolium albopurpureum B. Crampton 1966-4-11 Yolo 2 mi N of Rumsey, foothill flat above Cache Crk Comment
  UCD33047  Trifolium albopurpureum Beecher Crampton 1966-4-11 7641 Yolo 2 miles north of Rumsey, foothill flat above Cache Creek. Comment
  UCD35750  Trifolium albopurpureum Beecher Crampton 1953-3-23 1016 Yolo 6 miles west of Winters. Comment
  UCR118890  Trifolium albopurpureum var. olivaceum Beecher Crampton 1953-4-9 1062 Yolo Sacramento Valley, 3 miles west of Winters 46 Comment
  UCD107873  Trifolium bifidum P. B. Kennedy 1915-4-26 s.n. Yolo Davis. Comment
  UCD58022  Trifolium bifidum Ellen Dean; K. Mawdsley 2007-4-6 3561 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
  UCR119078  Trifolium bifidum Beecher Crampton 1966-4-6 7636 Yolo Sacramento Valley, 2 miles west of Winters. 30 Comment
  UCD35835  Trifolium bifidum Beecher Crampton 1965-4-6 7252 Yolo 2 miles west of Winters. Comment
  UCD146735  Trifolium bifidum var. bifidum Carol W. Witham 2003-4-9 914 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 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
  UCD48026  Trifolium bifidum var. bifidum Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 18 Yolo McLaughlin UC Reserve. W side of Davis Creek Reservoir, along road that goes from Soda Spring area to Rayhouse Rd. Ca. 0.5 airline mile due N of Soda Springs and ca. 1.0 airline mile WNW of UC Davis Aquatic Lab facility. Along edges of running stream and slopes to the north and south of stream on the W side of the road. 487 Comment
  UCD73668  Trifolium bifidum var. bifidum Ayzik Solomeshch 2005-4-10 s. n. Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Northeastern part of ranch, Maxwell Flat area, accessed by private road that is at the end of Moody Slough Rd. 71 Comment
  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
  UCD21258  Trifolium bifidum var. decipiens J. Shepard 2000-4-21 146 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 parking lots on S side of road. 12 Comment
  UCD38435  Trifolium ciliolatum Beecher Crampton 1955-4-14 2490 Yolo 2 miles northwest of Dunnigan. Comment
  UCD160466  Trifolium depauperatum Ellen Dean; Craig Thomsen 2015-3-21 8587 Yolo Audubon Bobcat Ranch. Western part of ranch, just north of Hwy 128 and N of Putah Creek. Area E of Bray Canyon near drainages that descend from large escarpment labeled 'spring' on topo maps. 102 Comment
  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
  UCR219526  Trifolium depauperatum Jean V. Shepard 2004-3-21 636 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, 3.5 mi south on Mace Blvd. (Co. Road 104) from intersection of Hwy I-80 and Mace Blvd., 0.5 mi east on unpaved entrance road, to Dept. of Defence fence, and 30 yards south 12 Comment
  CHSC79315  Trifolium depauperatum var. amplectens Beecher Crampton 1967-5-3 7853 Yolo 2 miles west of Winters. 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
  UCD146736  Trifolium depauperatum var. truncatum Carol W. Witham 2003-4-9 915 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD33172  Trifolium depauperatum var. truncatum Beecher Crampton 1967-5-3 7853 Yolo 2 miles west of Winters. Comment
  UCD81019  Trifolium depauperatum var. truncatum Ellen Dean; D. Bales, M. Krug, L. Snyder, D. Dhakal, A. Franco 2009-4-1 5360 Yolo 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
  UCR225256B  Trifolium depauperatum var. truncatum Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass, Glide Ranch 4 Comment
  UCD59325  Trifolium dubium Ellen Dean; Kate Mawdsley 2007-5-11 3749 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
  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
  RSA190723  Trifolium fragiferum R. E. Skaggs 1967-7-30 s.n. Yolo 1113 Alice Street, Davis. Comment
  UCD108949  Trifolium fragiferum R. E. Skaggs 1967-7-30 s.n. Yolo 1113 Alice Street, Davis. Comment
  UC1221000  Trifolium fucatum Beecher Crampton 1962-5-1 6364 Yolo 1/4 mi s Saxon Station (County Rds 106 and 38 junction) Comment
  UC631612  Trifolium fucatum P. B. Kennedy 1915-4-26 Yolo Medicago Flats at University Farm Davis Comment
  UCD38307  Trifolium fucatum Beecher Crampton 1954-4-8 1755 Yolo 2 miles NE of Davis. Comment
  UCD41001  Trifolium fucatum Carol W. Witham 2003-4-11 931 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD72416  Trifolium fucatum Ellen Dean; Kate Mawdsley 2008-4-16 4821 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
  UCR118984  Trifolium fucatum Beecher Crampton 1962-5-1 6364 Yolo Sacramento Valley, 1/2 mile south Saxon Station., jct. county roads 106 and 38 15 Comment
  SBBG29026  Trifolium gracilentum B. Crampton 1966-4-11 7639 Yolo Woodland, along the railroad Comment
  UCD38426  Trifolium gracilentum Beecher Crampton 1955-4-14 2484 Yolo 2 miles south of Zamora. Comment
  UCD41300  Trifolium gracilentum Ellen Dean; Jean Shepard 2003-5-18 1804 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
  UCD55514  Trifolium gracilentum J. Shepard; E. Dean, B. Rice, P. and R. Unger, B. Salvia 2004-3-28 650 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east on unpaved entrance road about .4 mi., thence south 100 yd. 10 Comment
  UCD33045  Trifolium gracilentum Beecher Crampton 1966-4-11 7639 Yolo Woodland, railroad station. Comment
  UCD35740  Trifolium gracilentum Beecher Crampton 1953-3-30 1044 Yolo Durst Ranch, about 9 miles west of Dunnigan. Comment
  UCD146738  Trifolium hirtum Carol W. Witham 2003-4-11 951 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  RSA636080  Trifolium hirtum Robert M. Rhode, Barbara Nemeth 1998-5-13 183 Yolo In the vicinity of Guinda; west of the intersection of State Highway #16 and County Road #53, on County Rd. #53. 0.5-1.0 km west of gate on County Rd. #53 at roadside. Comment
  UCD109765  Trifolium hirtum Beecher Crampton 1962-5-31 s.n. Yolo UC Davis. Agronomy Experimental Areas. Plant Introductory Nursery. Comment
  UCD40997  Trifolium hydrophilum Carol W. Witham 2003-4-11 927 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD96980  Trifolium hydrophilum Christopher Michael Bronny 2011-4-25 31 Yolo city of 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
  UCD15490  Trifolium incarnatum Ted Graber 1984-4-15 18 Yolo North of Davis suburbs where they are presently building. 12 Comment
  UCD38434  Trifolium microcephalum Beecher Crampton 1955-4-14 2491 Yolo Yolo County; 2 miles northwest of Dunnigan. Comment
  UCD73669  Trifolium olivaceum 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
  UCD107344  Trifolium olivaceum Beecher Crampton 1953-4-9 1062 Yolo 3 miles west of Winters. Comment
  UCD107579  Trifolium olivaceum Beecher Crampton 1965-4-6 7251 Yolo 2 miles west of Winters. Comment
  UCD33044  Trifolium olivaceum Beecher Crampton 1966-4-6 7637 Yolo 2 miles W of Winters. Comment
  UCD35834  Trifolium olivaceum Beecher Crampton 1965-4-6 7251 Yolo 2 miles west of Winters. Comment
  UCD39965  Trifolium parviflorum Beecher Crampton 1966-7-6 s.n. Yolo UC Davis Campus, Agronomy Experimental Area; grown from seed of unknown origin. P.I. 302-565. Comment
  UCD39964  Trifolium pilulare Beecher Crampton 1966-7-6 s.n. Yolo UC Davis Campus, Agronomy Experimental Area; grown from seed of unknown origin. P.I. 289998. Comment
  UCD41004  Trifolium repens Carol W. Witham 2003-4-11 934 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCR225401  Trifolium resupinatum Sue A. Nichol 2009-4-30 s.n. Yolo Yolo Bypass Wildlife Area c. 3.5 mi east of city of Davis along Chiles Road Comment
  UCD59324  Trifolium striatum Ellen Dean; Kate Mawdsley 2007-5-11 3748 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
  SEINET12170819  Trifolium tridentatum Unknown 1953-3-31 1055 Yolo ca 5 mi W of Davis, N of Stevenson Bridge Comment
  CDA37065  Trifolium variegatum var. major CDFA Staff 1998-4-22 s.n. Yolo Rominger Prop., north of County Road 19, east of County Road 92C, west of County Road 94B. 0 Comment
  CHSC79318  Trifolium willdenovii Beecher Crampton 1966-4-28 7682 Yolo 1 mile S.W. of Saxon Station. Comment
  RSA167152  Trifolium willdenovii Jack Maze 1963-4-27 18 Yolo 0.75 mile east of Recreation Beach, State Highway 128. Comment
  UC630874  Trifolium willdenovii A. A. Heller 1920-4-25 13378 Yolo along Yolo Causeway; Sacramento River flood plain 30 Comment
  UC630910  Trifolium willdenovii P. B. Kennedy 1915-4-26 Yolo Davis Comment
  UCD146741  Trifolium willdenovii Carol W. Witham 2003-4-7 888 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCR219528  Trifolium willdenovii Jean V. Shepard, Ellen Dean, Barry Rice, P. Unger, R. Unger, B. Salvia 2004-3-28 649 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, 3.5 mi south on Mace Blvd.(Co. Road 104) from intersection of Hwy I-80 and Mace Blvd., 0.4 mi east on unpaved entrance road, and 100 yards south 11 Comment
  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
  RSA634968  Trifolium willdenovii Michael A. Vincent, Ethan H. Freid, Karl Vincent 1998-4-7</