Search Results — 2000 specimen records retrieved (1369 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SFV12411  Abutilon theophrasti D. L. Koutnik, J. Sowell 1978-10-27 578 Yolo Sacramento Valley Along dirt road 1 mile south of Putah Creek, east of County Road 106 and west of Yolo Causeway. 6 Comment
  UCD116178  Abutilon theophrasti Herman Timm; June McCaskill 1976-9-1 s.n. Yolo In Herman Timm's (Vegetable Crops Department) potato plots at Campbell Tract, University of California, Davis. Comment
  UCD33836  Abutilon theophrasti Beecher Crampton 1973-7-30 8990 Yolo Yolo County, Davis, one plant along Covell blvd. Comment
  UCD50408  Acer Jean Shepard 2004-7-23 s.n. Yolo CA: Yolo Co.: UCD Campus Courtyard behind Buehler Alumni Center. Comment
  CAS-BOT-BC331641  Acer macrophyllum C. F. Baker 1903-5-8 2981 Yolo Cache Creek canon Comment
  SBBG4085  Acer macrophyllum B. J. McCaskill 1954-3-12 220 Yolo Hwy 16, 1.7 mi NW of Rumsey Comment
  SEINET3098688 Image available Acer macrophyllum Michelle Yeargan 1973-3-23 Y 013 Yolo Near Putah Creek, north bank; 0.125 miles southeast of Monticello Dam. Comment
  UCD117012  Acer macrophyllum K. Esau 1936-3-27 s.n. Yolo Putah Canyon. Comment
  UCD117061  Acer macrophyllum M. Wiesendanger 1927-5-4 636 Yolo Putah Canyon. Comment
  UCR206287  Acer macrophyllum George K. Helmkamp, E. A. Helmkamp 2009-5-20 14731 Yolo Inner Coast Range, west side of Cache Creek along CA-16, 5.5 miles southeast of the Colusa County line 177 Comment
  SEINET10692509 Image available Acer macrophyllum Charles F. Baker 1903-5-8 Baker 2981 Yolo Cache Creek canon. Comment
  UC917125  Acer negundo H. MacKenzie 1949-6-1 25 Yolo University of California campus, Davis Comment
  UCD117090  Acer negundo Cay Collete 1975-4-12 5 Yolo Knight's Landing, approximately 20 feet from Sacramento River. 15 Comment
  UCD39759  Acer negundo Beecher Crampton 1976-3-20 9360 Yolo Along Putah Creek, Vaca Mnts., ca. 8 miles west of Winters. Comment
  UCD40988  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
  UCD58021  Achyrachaena mollis Ellen Dean; K. Mawdsley 2007-4-6 3560 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
  RSA695594  Achyrachaena mollis Keith E. Hoffmaster 1946-4-19 1050 Yolo 3-4 miles NE of Davis. Comment
  SEINET2429223  Achyrachaena mollis Robert T. Stahmer Jr. 1972-4-16 28 Yolo On dry grassy slop; M.E.M. Ranch off State Highway 128 and 1 mile west of Winters, Yolo County, California. Comment
  UCD128381  Achyrachaena mollis C. G. Baughn 1949-4-29 37 Yolo Hungry Hollow Hills, 2 miles west of Zamora. Comment
  UCD128398  Achyrachaena mollis G. F. Hrusa; S. Larson 1995-4-10 12052 Yolo Field between Interstate 505 and onramp at Highway 16 (Woodland Main Street Extension). 100 Comment
  UCD128431  Achyrachaena mollis DQU Science Class 1989-4-25 DQ 3 Yolo D-Q University. County Road 31; 9 miles west of Davis city center. 29 Comment
  UCD21532  Acmispon americanus var. americanus J. Shepard 2000-7-29 334 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. Southeast to a grove of trees planted Spring 2000. 12 Comment
  UCD38887  Acmispon americanus var. americanus Beecher Crampton 1959-10-5 5464 Yolo 2 miles north of Davis. Comment
  UCD104096  Acmispon brachycarpus M. Wiesendanger 1927-5-4 638 Yolo Putah Canyon. Comment
  UCD20808  Acmispon brachycarpus N. Nicola; C. Kremen 2001-3-16 024 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  SEINET957851  Acmispon brachycarpus F. W. Gould 1938-1 273 Yolo One-half mile north-east of Rumsey. Comment
  UCD104483  Acmispon wrangelianus A. A. Beetle 1945-3-8 4204 Yolo Putah Creek Canyon, west of Winters. Comment
  UCD23223  Acmispon wrangelianus A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCD39174  Acmispon wrangelianus Beecher Crampton 1953-5-5 1211 Yolo 1.5 miles northest Davis. Comment
  UCD40986  Acmispon wrangelianus Carol W. Witham 2003-4-9 916 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD62726  Acmispon wrangelianus Alan Yip; Plant Biology 102 students 2008-4-6 2 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. 118 Comment
  UCD104495  Acmispon wrangelianus G. F. Hrusa 1998-3-21 14158 Yolo Hwy 16 along Cache Creek at the rafting put-in, Nr. Lake County line. 225 Comment
  UCD128571  Acroptilon repens W. D. Norton 1931-5-1 2201 Yolo location unknown. Comment
  UCD35425  Acroptilon repens Beecher Crampton 1956-7-13 3718 A Yolo Harbor Blvd. and Deluth St., West Sacramento. Comment
  CDA18853  Acroptilon repens J. King 1999-6-21 PDR 1224531 Yolo Woodland. 0 Comment
  UCD128494  Acroptilon repens R. Breckenridge 2002-7-2 PDR 120455 7 Yolo around equipment yard and ditches at Highway 128 and E Main St, Winters. Comment
  UCD59320  Adenostoma fasciculatum Ellen Dean; Kate Mawdsley 2007-5-11 3744 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
  UCD62793  Adiantum jordanii Susan Zhang; 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
  SEINET11722725  Adiantum jordanii Unknown 1997-4-25 8 Yolo along Putah Creek just E of Hwy 128 across from Stebbin's Reserve parking area 170 Comment
  SEINET240105  Aegilops cylindrica Beecher Crampton 1961-4-20 T.O. 2622 a Yolo UC Davis agronomy experimental area, plant introduction nursery, row 20. Comment
  SEINET3915564  Aegilops speltoides Beecher Crampton 1961-5-8 2621 A Yolo Uc Davis agronomy experimental area, plant introduction nursery, row -81; planted from seeds obtained from Iraq thru USDA Regional Plant Introduction Station, Ames, Iowa, USDA plant introduction #254-865. Seed received Aug. 22, 1960.; 0 Comment
  CDA29458  Aegilops triuncialis Robin Breckenridge 2009-5-26 PDR# 1313570 Yolo In the vicinity of Madison and Winters. Along CR 89, between CR 25 and CR 20. 0 Comment
  CHSC114891  Aegilops triuncialis Breckewidge 2008-5-12 Yolo Capay, 23585 Hwy 16. Comment
  SBBG21209  Aegilops triuncialis B. Crampton 1959-5-26 Yolo 2.5 mi W of Winters 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
  UCD51553  Aegilops triuncialis Beecher Crampton 1961-4-28 5859 Yolo 2 miles west of Winters, County Road 87. 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
  UCD15547  Aesculus californica Lara Hawthorne 1989-6-3 17 Yolo Hwy 128 near Stebbins Reserve. 97 Comment
  UCD23469  Aesculus californica Jean V. Shepard 2003-9-9 617 Yolo UC Davis campus, north of Hutchison Hall by loading dock. Comment
  UCD128438  Agoseris heterophylla Beecher Crampton 1955-4-14 2479 Yolo Yolo County; 7.5 miles west of Davis, Moon Ranch. Comment
  SEINET242443 Image available Agropyron desertorum Beecher Crampton 1955-5-25 T.O.s.n. Yolo UC Davis Campus, Agronomy Experimental Area Comment
  SEINET241286 Image available Agropyron fragile Beecher Crampton 1960-6-24 T.O. 2516 Yolo UC Davis Agronomy experimental area, plant introduction nursery, planted as seed obtained from SCS Plant Materials Cen. Comment
  SEINET251727  Agrostis castellana Beecher Crampton 1960-6-3 T.O. 2455 Yolo CULTIVATED; UC Davis agronomy experimental area; plant introduction nursery; Comment
  UCD141660  Agrostis stolonifera Ellen Dean; M. Taylor, K. MacMillan 2013-6-13 7788 Yolo City of Davis South Fork Preserve, along Mace Blvd. (County Road 104) south of the City of Davis boundary. North bank of Putah Creek in Plot MBN 1A of the Putah Creek vegetation survey. 9 Comment
  UCD53451  Agrostis stolonifera Beecher Crampton 1958-5-28 4836 Yolo north Davis. Comment
  UCD53492  Agrostis stolonifera Leonard 1919-6-14 X 3064 Yolo Davis. Comment
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Jul 22 2006
  UCD53530  Agrostis stolonifera Leonard 1919-6-13 x 3068 Yolo Davis. 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
  UCD15446  Alisma lanceolatum Jean Shepard 1997-7-28 s.n. Yolo California, Yolo Co.; city of Davis, a volunteer in the Mace Ranch Subdivision landscaping, along East Covell Blvd., ca. 10 meters east of the intersection with Alhambra Blvd.; Comment
  UCD135954  Allium neapolitanum Barry Rice 2012-4-14 BR 120402 Yolo Exact location unknown. 11 Comment
  CAS-BOT-BC472799  Allium neapolitanum Peter H. Raven 1955-4-17 8278 Yolo Davis Comment
  UCD41084  Allium serra N. Nicola 2003-4-21 251 Yolo Eastern foothills of inner north coast range, Capay Valley. Cache Creek Riparian Preserve. Comment
  UCD110023  Alnus rhombifolia Janine Sabaloni 1975-8-6 s.n. Yolo U.C. Davis Arboretum. Comment
  UCD110027  Alnus rhombifolia J. T. Shugrue 1960-5-16 65 Yolo Across from Apiary, University of California campus, Davis. Comment
  UCD20402  Alnus rhombifolia Warren G. Roberts and Eda Lim 1977-1-18 s. n. Yolo Yolo County, UC Davis Arboretum. Comment
  CAS-BOT-BC137944  Alopecurus saccatus Doris K. Kildale 1928-5-8 5040 Yolo 12 miles north of Dixon. Comment
  HSC8891  Alopecurus saccatus J. W. Lenz 1947-4-24 Yolo Alkali area N of Davis, Hwy. 99W Comment
  UCD21304  Alopecurus saccatus J. Shepard; Vince Forcella 2000-5-13 245 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
  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
  UCD55816  Alopecurus saccatus A. A. Beetle 1946-4-15 4376 Yolo Woodland airport. Comment
  UCD55978  Alopecurus saccatus Fleur Ng'weno 1989-4-30 DQ 21 Yolo D-Q University, County Road 31, 9 mi. west of Davis city center. 30 Comment
  SEINET242179  Amaranthus Beecher Crampton 1953-10-15 1688 Yolo City of Davis, University of California Sprinkler Plots Comment
  UCD81844  Amaranthus albus Ellen Dean; M. Showers, G. Harrington 2009-6-3 5762 Yolo Woodland Regional Park. City of Woodland property on the E side of County Road 102, just S of County Road 25. Old rodeo area with buildings now removed. 9 Comment
  CDA3260  Amaranthus albus M. S. Bergseng 1958-10-12 1589 -58 Yolo Highway # 16-24, near Elkhorn Village, west of Sacramento. 0 Comment
  UCD39251  Amaranthus albus Beecher Crampton 1956-11-6 3885 Yolo 2.5 miles northwest of Davis. Comment
  UCD97174  Amaranthus albus R. N. Raynor 1939-1-9 s.n. Yolo Botany greenhouse, University Farm. Comment
  UCD108107  Amaranthus arenicola A. M. Shapiro 2011-9-15 s.n. Yolo West Sacramento, 1 km W of intersection of W. Capitol Ave. and Enterprise Blvd. Yolo Bypass. Comment
  UCR213678  Amaranthus blitum Jean V. Shepard 2008-7-22 819 Yolo Sacramento Valley, City of Davis, Covell Blvd. to Alhambra Dr., at entrance to Mace Ranch subdivision. 12 Comment
  UCD39250  Amaranthus deflexus B. Crampton 1952-10-11 855 Yolo Davis. Waste lot in adobe soil. Comment
  UCD81063  Amaranthus hybridus Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5597 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
  UCD97508  Amaranthus palmeri A. M. Shapiro 1993-9-26 s.n. Yolo West Sacramento, I-80 near east levee of Yolo Bypass. Comment
  UCD97530  Amaranthus powellii C. J. W. 1913-9-1 313 Yolo Davis. Comment
  CDA16257  Amaranthus retroflexus G. F. Hrusa 1997-10-13 14120 Yolo Sacramento Valley; Sacramento R. immediately S of I-5 ~ 5 mi E of Woodland (near tule canal). 8 Comment
  UC735712  Amaranthus retroflexus Charles B. Heiser Jr. 1947-5-30 1919 Yolo Davis Comment
  CDA29808  Ambrosia psilostachya M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 209 Yolo Putah Creek. Downstream of the Monticello Dam, on sloping bank of the creek, adjacent to and on the same side as Highway 128. 0 Comment
  IRVC9308  Ambrosia psilostachya var. californica B. T. Gittins 1966-8-9 1512 Yolo N side Putah Creek; just below Monticello Dam. Comment
  UCD125573  Amelichloa caudata John Anderson 2012-6-1 s.n. Yolo north of town of Winters on west side of Sacramento Valley. 21740 County Rd. 88 at the intersection of County Road 27. Hedgerow Farms near main office. 54 Comment
  RSA312868  Ammannia auriculata Malcolm A. Nobs, S. Galen Smith 1949-7-18 1004 Yolo Winters, Sacramento Valley Comment
  UC1191600  Ammannia coccinea Malcolm A. Nobs and S. Galen Smith 1949-7-18 1004 Yolo n. Winters (Sacramento Valley); Sacramento Valley 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
  RSA167161  Ammi visnaga June McCaskill 1963-8-14 668 Yolo South side of 2nd Street, 1 mile east of its junction with L Street, Davis Comment
  CAS-BOT-BC213989  Amsinckia Peter H. Raven 1955-4-16 8274 Yolo Fields about Davis Comment
  CAS-BOT-BC26852  Amsinckia congruens Alice Eastwood 1927-3-28 14240 Yolo Near Winters Comment
  UCR206545  Amsinckia eastwoodiae George K. Helmkamp, E. A. Helmkamp 2009-3-17 14408 Yolo Inner North Coast Ranges Foothills, along CA-20 and Cache Creek, 4.3 miles southeast of the Colusa County line 159 Comment
  CDA30728  Amsinckia intermedia M. Beyers 2010-5-12 445 Yolo In the vicinity of Esparto, along the east side of County Road 87, where it bridges Cache Creek on its north. 55 Comment
  SD240914  Amsinckia intermedia George K Helmkamp, E. A. Helmkamp 2012-4-17 18775 Yolo Sacramento Valley: along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland (Madison 7.45'Q) 64 Comment
  UC1178288  Amsinckia intermedia Ray and Chisaki 1952-4-3 K 123 Yolo Guinda Comment
  UC1191034  Amsinckia intermedia Peter M. Ray 1950-4-15 1708 Yolo 6 mi n Rumsey (on Cal Hwy 16, n side of canyon of Cache Creek, 1/4 mi inside Yolo-Colusa county line); Cache Creek Comment
  UCD119264  Amsinckia intermedia Beecher Crampton 1977-3-14 9458 Yolo Davis. Comment
  UCD119270  Amsinckia intermedia A. A. Beetle 1945-2-22 4194 Yolo Cottonwood Slough, southwest of Madison. 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
  UCD19505  Amsinckia intermedia Terry Reedy 1974-4-4 64 Yolo University of California, Davis campus; bend in road south from Hutchison Dr. to Institute of Ecology. 19 Comment
  UCD144438  Amsinckia lycopsoides Carol W. Witham 2003-4-11 935 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD21252  Amsinckia lycopsoides J. Shepard 2000-4-13 135 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. South of entrance road past parking lots on the S side. 12 Comment
  SEINET12519223  Amsinckia lycopsoides Stephen R. Chapman 1963-1 23 Yolo North side of Willow Slough, 0.5 mile west of County Road 102 Comment
  UC725952  Amsinckia lycopsoides A. A. Heller 1941-3-26 15912 Yolo road w of Hwy 99 Comment
  UCD119729  Amsinckia lycopsoides Stephen R. Chapman 1963-4-12 23 Yolo North side of Willow Slough, 0.5 mile west of County Road 102. Comment
  UCD56717  Amsinckia menziesii Ellen Dean; M. Bibbo 2007-3-23 3410 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SW portion of ranch. 649 Comment
  UCD119773  Amsinckia menziesii M. Wiesendanger 1927-4-29 610 Yolo Woodland. Comment
  UC638713  Amsinckia menziesii var. menziesii Ethel Crum 1938-5-7 1986 Yolo 4 mi n Rumsey (Cache Creek); Inner North Coast Range, Cache Creek 152 Comment
  UCD117435  Anagallis arvensis Edwin A. Crosby 1952-4-23 21 Yolo beside old picnic ground, UC Davis campus. Comment
  UCD56066  Andropogon glomeratus var. pumilus A. A. Beetle 1946-7-13 4691 Yolo Putah Canyon. Comment
  UCR151942  Andropogon glomeratus var. pumilus Beecher Crampton 1962-10-30 6710 Yolo Putah Creek Canyon, Vaca Mtns: 8.5 mi west of Winters, on State Hwy 128 Comment
  UCD56099  Andropogon virginicus R. Tofsrud 1948-9-1 s.n. Yolo Putah Creek Canyon. Comment
  CAS-BOT-BC391770  Anemone deltoidea Mrs. H. C. Cantelow 1932-8-17 369 Yolo Unspecified Comment
  CDA30586  Anthemis cotula M. Beyers 2010-5-12 439 Yolo In the vicinity of Esparto, along the east side of County Road 87, where it bridges Cache Creek on its north. 55 Comment
  CDA6813  Anthemis cotula D. G. Kelch 2007-5-18 7 .327 Yolo Yolo Causeway, 0.4 mi E of Levee Rd. / RR crossing. Comment
  RSA758528  Anthemis cotula George K. Helmkamp, E. A. Helmkamp 2009-5-20 14724 Yolo Capay Valley; along CA-16, 1.5 miles west of Capay 70 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
  CDA30588  Anthriscus caucalis M. Beyers 2010-5-12 448 Yolo In the vicinity of Esparto, along the east side of County Road 87, where it bridges Cache Creek on its north. 55 Comment
  UCD41113  Antirrhinum majus K. Arhangelsky 2002-5-9 204 Yolo Eastern foothills of inner north coast range, Capay Valley. North of Guinda, Rd 43 off Hwy 16; Fullbelly Farm. Comment
  UCD123493  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Glen Holstein 1977-5-15 s.n. Yolo near mouth of Bray Canyon, 0.5 mile east of bridge over Putah Creek in vicinity of Monticello Dam, near State Highway 128. Comment
  UCD47827  Apiastrum angustifolium J. Pierner; S. Burgess, A. Hufton, A. Ryan, and B. Takahashi 2000-4-29 13 Yolo Yolo Co/Napa Co line; McLaughling Reserve, 1 mile (as the crow flies) N of old town Knoxville. 640 Comment
  UCD89143  Apocynum cannabinum Carla Essenberg 2008-7-23 s.n. Yolo McLaughlin Reserve, north edge of Davis Creek Reservoir. Comment
  RSA401384  Apocynum sibiricum Glenn A. Gorelick 1966-6-1 s.n. Yolo At UC Davis, next to the railroad tracks, near the radiology labs Comment
  UCD39746  Arachis hypogaea Beecher Crampton 1954-8-2 s.n. Yolo P.F. Knowles Oil Exper. Plot, UC Agronomy, Davis. Comment
  UCD34982  Arctium lappa Beecher Crampton 1997-6-27 10340 Yolo Yolo County, ca. 2 miles south of Woodland along county road 25A between county roads 99 and 99E. Comment
  UCD73676  Arctostaphylos manzanita Ayzik Solomeshch 2004-5-5 s. n. Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Northeastern part of ranch, Maxwell Flat area, accessed by private road that is at the end of Moody Slough Rd. 71 Comment
  UCD169007  Arctostaphylos manzanita subsp. laevigata Ellen Dean; E. Moores and M. Hoshovsky 2017-4-7 9310 Yolo Audubon Bobcat Ranch. Lands to the north of Hwy 128, northwest of ranch headquarters near Rattlesnake Rock. Along undeveloped road. Area has burned three times in the last three years. 213 Comment
  UCD56737  Arctostaphylos manzanita subsp. manzanita Ellen Dean; M. Bibbo 2007-3-23 3429 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SW portion of ranch. 703 Comment
  SEINET11998353  Arctostaphylos mariposa Unknown 1988-1 80159 Yolo Blue Ridge area (ridge between Big Blue Ridge & Little Blue Ridge or between Fiske Creek & Davis Cr) 622 Comment
  SEINET4342626  Aristida hamulosa B. Crampton 1963-9-19 6896 Yolo 2.5 miles west of Winters on Hwy. 128 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
  SBBG21219  Aristida ternipes var. gentilis B. Crampton 1963-9-19 6896 Yolo 2.5 mi W of Winters, St Hwy 128 Comment
  UCD34783  Aristida ternipes var. gentilis Beecher Crampton 1989-8-22 10228 Yolo Yolo County, 5 miles west of Winters on Hwy. 128. Comment
  UCD56872  Aristida ternipes var. gentilis Beecher Crampton 1953-8-24 1600 Yolo 2 miles west of Winters. Comment
  RSA261547  Aristolochia californica G. L. Webster 1967-3-23 7500 Yolo Along Putah Creek c. 1 mi E of bridge below Monticello Dam 61 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
  RSA91861  Aristolochia californica Beecher Crampton 1953-2-14 980 Yolo Putah creek canyon about 6 miles west of Winters Comment
  RSA97978  Aristolochia californica G. V. Morejohn 1954-3-12 13 Yolo Near Cache Creek, along Hwy 128, 1.7 miles northwest of Rumsey Comment
  CAS-BOT-BC278145  Aristolochia elegans Eva Bayon 2012-10-19 3004 Yolo University of California, Davis. Botanical Conservatory 15 Comment
  UCD56016  Arrhenatherum elatius Leonard 1919-6-13 3072 Yolo City of Davis. Comment
  UCD129265  Artemisia biennis A. M. Shapiro 1994-10-24 s.n. Yolo near E. leeve Yolo Causeway, west Sacramento. Comment
  UCD60450  Artemisia biennis A. M. Shapiro 2007-9-28 s.n. Yolo Yolo Bypass, West Sacramento. Comment
  UCD129306  Artemisia douglasiana A. S. Crafts 1926-7-8 453 Yolo University Farm Campus, Davis. Comment
  UCD149336  Artemisia dracunculus Collector Unknown 1953-12-23 s.n. Yolo City of Woodland. 25 Comment
  UCD34259  Arthrocnemum subterminale Beecher Crampton 1978-6-27 9615 Yolo Yolo County, 4 miles S.E. of Woodland, T9N R2E sect. 11 N.E. 1/4. Comment
  RSA0059616  Arthrocnemum subterminale Beecher Crampton 1952-11-4 908 Yolo Woodlan Sewage Disposal area, 1.5 miles east of city of Woodland. Comment
  HSC102729  Arundo donax J. P. Smith 2013-8-23 13778 Yolo Roadside along State Route 16. 98 Comment
  UCD56080  Arundo donax R. Tofsrud 1941-10-1 23 Yolo Davis. Comment
  UCD97112  Asclepias cordifolia Ellen Dean; C. Loughran, A. Fuller 2011-5-8 7012 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
  UCD121267  Asclepias cordifolia H. B. Nidever 1951-5-26 37 Yolo Cache Creek Canyon, 2 miles above Rumsey. Comment
  JEPS49858  Asclepias eriocarpa W. L. Jepson 1927-6-19 12251 Yolo Dunnigan Comment
  UCD121297  Asclepias eriocarpa Mark F. Bean 1976-8-13 s.n. Yolo County Road 19, west of County Road 97, northwest of Woodland. Comment
  SEINET11262202  Asclepias fascicularis Mark Wilkerson 1976-6-1 20 Yolo Junction of Interstate 80 and Road 95 in Davis.; 0 18 Comment
  SEINET215295  Asclepias fascicularis Robert Owens 1969-5-25 47 Yolo Near railroad tracks on G. Street at intersection with 10th Street, Davis. 15 Comment
  UCD121320  Asclepias fascicularis C. J. W. Date unknown s.n. Yolo Found in spots near Davis. Comment
  RSA261482  Asclepias speciosa S. L. Morrison 1974-6-2 34 Yolo Along Southern Pacific Railroad tracks; 0.8 mile east on County Road 32 from its junction with Mace Boulevard 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
  CAS-BOT-BC478850  Asparagus officinalis Clarence R. Quick 1968-8-25 68 -04 Yolo Merritt Island, near Junction of county roads #140 and 142, 3.5 miles south of Clarksburg Comment
  CDA13742  Aster chilensis G. F. Hrusa, T. D. Wilfred 1996-9-26 13578 Yolo Central Valley; Tule Canal approx. 1/2 mi. E of Int. 5 & 1/4 mi N of Sacramento River on S side of Yolo Bypass. Comment
  UCD20594  Astragalus clevelandii E. Dean; with M. Bibbo 2002-7-5 1137 Yolo McLaughlin UC Reserve. 0.6 road miles S of Rayhouse Road reserve gate, along road to Soda Springs. 487 Comment
  RSA733923  Astragalus didymocarpus Beecher Crampton 1963-5-24 6810 Yolo Yolo County: Davis, field just northeast of West David School. Comment
  SBBG117232  Astragalus didymocarpus B. Crampton 1963-5-24 6810 Yolo Davis, just NE of W 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
  UCD149380  Astragalus douglasii Trongren 1956-1 s.n. Yolo City of Dunnigan. 184 Comment
  UCD34226  Astragalus tener Beecher Crampton 1978-5-8 9579 Yolo Yolo County, 1/4 mile south of Saxon Station, T7N R3E Sect. 17, N.E. quarter. Comment
  UCD105342  Astragalus tener var. ferrisiae Elwood Peters 1954-4-27 s.n. Yolo Causeway. Comment
  UCD41030  Astragalus tener var. ferrisiae Carol W. Witham 2003-4-26 962 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCR212299  Astragalus tener var. ferrisiae Ellen Dean, Carol W. Witham, Robert E. Preston, Jennifer Buck 2007-4-20 3705 Yolo Dept. of Fish and Game Tule Ranch property, SW of the intersction of county roads 106 and 38 (south through gate on extension of C.R. 106, west to farm structures). 1 Comment
  CAS-BOT-BC193346  Astragalus tener var. tener Beecher Crampton 1966-4-19 7654 Yolo 1 mile s.w. Saxon Station Comment
  UC1228144  Astragalus tener var. tener Beecher Crampton 1960-5-9 5493 Yolo 1 1/4 mi sw Saxon Station; sw of Saxon Station Comment
  UCD15877  Astragalus tener var. tener Craig D. Thomsen 1998-6-4 s.n. Yolo Field south of Road 25, about 200 m. west of Road 103, between Davis and Woodland. Comment
  UCD33057  Astragalus tener var. tener Beecher Crampton 1966-4-19 7654 Yolo Yolo County, 1 mile S.W. of Saxon Station. 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
  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
  UCD34572  Atriplex argentea Beecher Crampton 1985-9-5 10017 Yolo Yolo County, 3.5 miles S.E. of Woodland on road 25, (T9N R2E sect. 11). Comment
  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
  UCD97255  Atriplex argentea var. expansa M. Phillips 1929-10-1 2051 Yolo near Davis. Comment
  UCD97262  Atriplex argentea var. expansa Collector unknown 1929-10-1 2049 Yolo near Davis. Comment
  CDA23226  Atriplex argentea var. mohavensis G. D. Barbe 1976-10-2 2226 Yolo West side of Jefferson Boulevard, 8 km south of barge canal, West Sacramento. 0 Comment
  JEPS41113  Atriplex argentea var. mohavensis Rimo Bacigalupi, L. R. Heckard, and C. L. Custer 1965-10-4 9121 Yolo along Kentucky Ave. (Road 20) ca 1/4 mi n Sewage Disposal Plant (1 1/8 mi ene of Woodland); ene of Woodland, n of Sewage Disposal Plant 10 Comment
  JEPS41115  Atriplex argentea var. mohavensis Rimo Bacigalupi, L. R. Heckard, and C. L. Custer 1965-10-4 9123 Yolo along Kentucky Ave. (Road 20) ca 1/4 mi n Sewage Disposal Plant (1 1/8 mi ene of Woodland); ene of Woodland, n of Sewage Disposal Plant 10 Comment
  SEINET3140452  Atriplex depressa H. Stutz 1993-10-29 95979 Yolo Woodland Comment
  UCD38285  Atriplex depressa B. Crampton 1952-10-24 873 Yolo Alkali flats, 1.5 miles north of Davis. Comment
  UCD38761  Atriplex dioica Beecher Crampton 1957-10-25 4643 Yolo West Sacramento, along the US Hwy. 40 freeway. Comment
  CHSC106023  Atriplex joaquinana Ellen Dean; K. Mawdsley 2008-4-16 4800 Yolo Southeast side of Woodland, Woodland Regional Park, just south of the intersection of County Roads 102 and 25, east side of road 102. Easternmost part of park on eastern side of reservoir area and horse paddock along roadside. 0 Comment
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Mar 31 2015
  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
  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
  UCD34254  Atriplex joaquinana Beecher Crampton 1978-6-27 9611 Yolo Yolo County, 4 miles S.E. of Woodland, T9N R2E sect. 11 N.E. 1/4. 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
  UCD62896  Atriplex joaquinana Erica Smith 2008-4-18 12 Yolo City of Woodland Alkali Grassland Preserve managed by Center for Natural Land Management at the intersection of County Roads 103 and 25. South side of County Road 25 4 Comment
  UCD62898  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 4 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
  UCD97479  Atriplex joaquinana Brad D. Schafer 2002-8-17 111 Yolo South of the Glide Ranch, 2 milse south of County Road and 1.5 miles east of the Northern Railroad. 4 Comment
  UCD97492  Atriplex joaquinana M. Wiesendanger 1927-4-29 601 Yolo Davis. Comment
  SEINET9345117  Atriplex parishii Unknown 1952-10-24 873 Yolo Alkali flats 1.5 mi N of Davis. Comment
  CAS-BOT-BC168432  Atriplex parishii var. depressa H. C. Stutz 1995-8-7 9799 Yolo SE corner of Road 25 and 103 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
  UC194954  Atriplex rosea H. M. Hall 1916-8-10 10263 Yolo Woodland Comment
  UCD142974  Atriplex rosea Ellen Dean; C. Robbins 2013-8-28 7991 Yolo Eastern edge of the City of Woodland. Property owned by the City of Woodland. North of Gibson Road extension on E side of Pole Line Rd. (County Rd. 102); north of existing sewer plant in an area that once had evaporation ponds. Area was recently used as borrow pit for the raised soil slab that has been prepared for the Woodland- Davis water treatment plant construction project (for clean drinking water.) Borrow pit is just south of that slab. 0 Comment
  UCD81882  Atriplex rosea Ellen Dean; K. Anderson and ethnobotany foraging group 2009-7-13 5781 Yolo city of Woodland. Woodland Regional Park. East side of County Road 102, just south of County Road 25. Old rodeo area with bare areas where buildings used to be. 9 Comment
  CDA2945  Atriplex rosea M. S. Bergseng 1958-10-12 1859 Yolo Near Elkhorn Village. 0 Comment
  UCD56121  Avena barbata Cay Collette 1975-5-10 11 Yolo Knight's Landing. Approximately 40 feet from the Sacramento River. 15 Comment
  UCD56179  Avena barbata C. J. W. 1914-4-1 s.n. Yolo Davis. Comment
  UCD56203  Avena barbata P. B. Kaufman 1950-3-19 13 Yolo Davis. UC Davis. Comment
  CDA37067  Avena fatua CDFA Staff s.n. Yolo Rominger Prop., north of County Road 19, east of County Road 92C, west of County Road 94B. 0 Comment
  RSA699765  Avena fatua Keith E. Hoffmaster 1946-4-15 s.n. Yolo Davis. Comment
  UCD15598  Avena fatua Lisa Montany 1985-5-4 12 Yolo Stevenson's Bridge (Stevenson's Road) over Putah Creek. 27 Comment
  UCD38524  Avena fatua Beecher Crampton 1956-3-1 3219 Yolo Southern city limits of Davis. Comment
  UCD56321  Avena fatua Cay Collette 1975-4-5 1 Yolo Knight's Landing. Along levee. Approx. 100' from Sacrameto River. 15 Comment
  UCD56378  Avena fatua Beecher Crampton 1956-3-1 3219 Yolo Southern city limits of Davis. Comment
  UCD56383  Avena fatua Beecher Crampton 1955-12-13 3212 Yolo 1/4 mile S of Davis. Along U.S. Hwy. 40, junction of Davis Road. Comment
  SEINET3919678  Avena fatua Steven Slagle 1964-3-17 22 Yolo 1 mile west of Davis.; 0 15 Comment
  SEINET3919689  Avena fatua David Charlton 1990-3-3 4163 Yolo Abandoned agricultural field at the Davis Motel just north of the UC Davis Campus and adjacent to Hwy. 80.; 0 15 Comment
  SEINET4116766  Avena fatua M. P. Dunford 1961-1 1038 Yolo Dry, steep hillside, slope 30 degrees N,1/4 mi W of Monticello Dam, State Hwy 128. 91 Comment
  CHSC24883  Azolla filiculoides T. L. Reynolds 1976-4-17 51 Yolo In Putah Creek ca. 50 yds s of Road 128 and ca. 10 yds nw of Low Water Bridge, 4.5 mi sw of Winters. 60 Comment
  UCD81540  Baccharis douglasii W. W. Robbins; W. D. Norton 1928-8-1 1425 Yolo near Clarksburg. Comment
  UCD38760  Baccharis glutinosa Beecher Crampton 1957-10-25 4642 Yolo West Sacramento, fields along the US Hwy. 40 freeway. Comment
  UCD96940  Baccharis pilularis Ellen Dean; C. Loughran, A. Fuller 2011-5-8 7004 Yolo Yolo County. Audubon Bobcat Ranch. Lands to the north of Hwy 128, just E of Monticello Dam. Bray Canyon. Two thirds of the way up canyon. Comment
  UCD62800  Baccharis salicifolia Susan Zhang; Plant Biology 102 students 2008-5-3 7 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. Along Bray Creek. 103 Comment
  UCD129450  Baccharis salicifolia subsp. salicifolia K. Esau 1931-4-26 2184 Yolo Putah Canyon. Comment
  UCD164521  Baccharis salicifolia subsp. salicifolia Craig D. Thomsen 2006-8-16 2708 Yolo Camp Haswell County Park, Pocket Gulch near entry. 137 Comment
  UCD129483  Baccharis salicifolia subsp. salicifolia Kay Ryugo 1952-4-12 1022 Yolo Putah Creek, 5 miles west of Winters. Comment
  UCD34089  Baccharis salicifolia subsp. salicifolia Beecher Crampton 1976-4-17 9379 Yolo UC Davis campus, south of university airport along Putah Creek. Comment
  UCD101226  Barbarea verna Alexis Fuller; Ellen Dean and Clare Loughran 2011-5-8 5 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Two thirds of the way up Bray Canyon. East side of Bray creek. 131 Comment
  UCD35744  Bellis perennis Beecher Crampton 1953-3-29 1037 Yolo Davis. Comment
  UCR197976  Bidens frondosa Beecher Crampton 1953-9-30 1633 Yolo Knights Landing, Sycamore Slough Comment
  UCD129597  Blennosperma nanum Carol W. Witham 2003-4-7 891 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  RSA167153  Boisduvalia glabella June McCaskill, Katherine Onaga 1963-6-26 665 Yolo South side of 2nd Street, 2 miles east of its junction with L Street, Davis Comment
  SEINET240471  Boissiera pumilio Beecher Crampton 1964-5-11 T.O. 3547 Yolo UC Davis agronomy experimental area, plant introduction nursery, row J-52 Comment
  UCD142936  Bolboschoenus fluviatilis Ellen Dean; T. Starbuck 2013-10-5 8004 Yolo UC Davis Restoria site on north side of Putah Creek between Old Davis Road and the railroad overpass. Putah Creek Vegetation Survey Plot DRR #3D 15 Comment
  UCD139995  Bolboschoenus fluviatilis C. F. Ehlig 1951-5-19 46 Yolo 7 miles east of Davis. Comment
  SEINET3915169  Bolboschoenus maritimus subsp. paludosus R. J. Planck 1963-5-15 41 Yolo On G Street, 2 miles north of 11th Street, Davis.; 0 15 Comment
  UCD150644  Bolboschoenus robustus Laird Miers 1972-6-5 s.n. Yolo Putah Creek approx. 7 mi. W of Davis. Comment
  UCD56827  Bothriochloa laguroides subsp. torreyana Beecher Crampton 1968-9-6 8337 Yolo 2 miles west of Winters. Along State Hwy. 128. Comment
  UCD57094  Brachypodium distachyon Beecher Crampton 1961-5-5 s.n. Yolo Davis Campus. Agronomy experimental areas. 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
  RSA0107420  Brassica kaber George K. Helmkamp, Mary Alice Barnes 2013-5-8 20523 Yolo Southern Sacramento Valley: Yolo Bypass Wildlife Area, 0.9 mile southeast of the junction of Chiles Road and I-80, between Sacramento and Davis. 13 Comment
  UCD114737  Brassica nigra A. S. Crafts 1932-6-6 2 Yolo 1 mi. e. of Davis. Comment
  UCD38765  Brassica rapa Beecher Crampton 1958-1-7 4656 Yolo West Sacramento, Harbor Blvd. and West Capitol Ave. Comment
  UCD128349  Brassica tournefortii A. M. Shapiro 2011-1-4 s.n. Yolo West Sacramento. Roadside along West Capitol Avenue. Comment
  UCD33962  Brodiaea coronaria Beecher Crampton 1975-5-23 9200 Yolo 3/4 mile S.W. of Saxon Station. Comment
  UCD73701  Brodiaea elegans subsp. elegans Ayzik Solomeshch 2004-4-28 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 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
  UC1155614  Bromus G. L. Stebbins Jr. 1943-4-15 Yolo University of California, Davis Comment
  UCD34471  Bromus Beecher Crampton 1985-4-17 9915 Yolo Yolo County, Davis, 3rd. street near A street and University ave. Comment
  SEINET242019  Bromus arenarius Beecher Crampton 1960-5-26 T.O. 2509 Yolo UC Davis agronomy experimental area, plant introduction nursery Comment
  UCD57591  Bromus arenarius B. Crampton 1960-5-26 s.n. Yolo Davis campus. Agronomy Experimental Areas. Comment
  UCD36192  Bromus arizonicus Beecher Crampton 1953-4-11 1073 Yolo Davis, vacant lot. Comment
  UCD36843  Bromus arizonicus Beecher Crampton 1956-3-30 3238 Yolo Yolo Couhty, city of Davis, Southern Pacific Railroad Station. Comment
  SEINET242452  Bromus brevis Beecher Crampton 1962-4-26 T.O.s.n. Yolo UC Davis agronomy experimental area, plant introduction nursery; row E-117, acc # E-117 Comment
  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
  UCD142961  Bromus caroli-henrici Ellen Dean; N. Gonzales 2013-8-8 7934 Yolo Downstream of Monticello Dam along Hwy 128, north side of Putah Creek in Putah Creek Vegetation Survey Plot INT 2B. 48 Comment
  CAS-BOT-BC155806  Bromus catharticus Clarence R. Quick 1968-8-25 68 -14 Yolo Merritt Island, near junction of county roads #140 and 142, 3.5 miles south of Clarksburg. Comment
  CDA11342  Bromus catharticus G. F. Hrusa 1995-3-17 12023 Yolo Lawn grass at 178 1/2 Elm Street, Woodland. Lawn overgrown in very wet winter, this species flowered before cutting. 30 Comment
  UCD36162  Bromus catharticus Beecher Crampton 1953-3-19 1012 Yolo Yolo County, city of Davis, at edge of field by overpass. Comment
  UCD58323  Bromus catharticus A. A. Beetle 1946-5-1 4708 Yolo Davis Campus. Comment
  UCD58381  Bromus catharticus Beecher Crampton 1980-7-22 s.n. Yolo Davis. College Park X Russell Blvd. Comment
  UCD58405  Bromus catharticus Carl Schoner 1975-1-13 s.n. Yolo Esparto area. Comment
  CAS-BOT-BC155606  Bromus diandrus W. D. Hamilton 1946-4-19 s.n. Yolo 5 miles north of 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
  UCD37800  Bromus diandrus Beecher Crampton 1962-4-10 6128 Yolo Yolo County, city of Davis, vacant lot on 6th Street. Comment
  UCD37836  Bromus diandrus Beecher Crampton 1962-4-18 6226 Yolo Yolo County, city of Davis, Southern Pacific Railroad Station. Comment
  UCR119009  Bromus diandrus Beecher Crampton 1962-4-11 6130 Yolo Sacramento Valley, Dixon 91 Comment
  UCR207826  Bromus diandrus George K. Helmkamp, E. A. Helmkamp 2009-3-24 14444 Yolo Inner North Coast Ranges, along CA-128, 4.4 miles west of Winters and beside Putah Creek 43 Comment
  SEINET238816 Image available Bromus grandis Beecher Crampton 1956-5-31 3492 Yolo 3.5 miles west of city of Winters, Pleasant Valley Road. Comment
  HSC9234  Bromus hordeaceus J. V. Lenz 1947-4-23 Yolo 3 mi. N of Davis Comment
  RSA697039  Bromus hordeaceus Keith E. Hoffmaster 1946-4-19 1068 Yolo Davis Comment
  UCD81037  Bromus hordeaceus Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5582 Yolo city of Woodland. Woodland Regional Park. East side of County Road 102, just south of County Road 25. Old rodeo parking area. 9 Comment
  CDA1801  Bromus hordeaceus M. K. Bellue 1933-5-3 Yolo 0 Comment
  SEINET240101 Image available Bromus hordeaceus subsp. molliformis Beecher Crampton 1962-5-5 T.O. 2799 Yolo CULTIVATED; UC Davis agronomy experimental area, plant introduction nursery, row G - 31. Comment
  SEINET242432 Image available Bromus hordeaceus subsp. molliformis Beecher Crampton 1978-11-4 T.O. 4778 Yolo CULTIVATED; UC Davis agronomy experimental area, plant introduction nursery. Comment
  UCD39898  Bromus macrostachys Beecher Crampton 1967-6-23 s.n. Yolo UC Davis Campus, Genetics Experimental Area, lathouse around benches; origin from T.O. 4281. Comment
  UCD56758  Bromus madritensis subsp. rubens Ellen Dean; M. Bibbo 2007-3-23 3450 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Western/Central portion of ranch near unimproved access loop road. 624 Comment
  UCD59276  Bromus racemosus M. Wiesendanger 1927-5-4 655 Yolo Putah Canyon. Comment
  CAS-BOT-BC161622  Bromus sterilis Beecher Crampton 1956-4-2 3239 Yolo In the triangle, Southern Pacific Rail Road Station. Davis. Comment
  UCD73106  Bromus sterilis Ellen Dean; Susan Xhang, Christa Lindsey, Chris Mosser 2008-5-3 4897 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Along Bray Creek. 88 Comment
  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
  SEINET241291 Image available Bromus trinii Beecher Crampton 1961-9-30 T.O. 2483 Yolo UC Davis agronomy experimental area, plant introduction nursery, row 20. Comment
  UCD41148  Buddleja davidii N. Nicola 2002-6-12 230 Yolo Eastern foothills of inner north coast range, Capay Valley. North of Guinda, Rd 43 off Hwy 16; Fullbelly Farm. Comment
  CHSC59795  Calandrinia ciliata Seri Rudolph 1975-4-9 3 Yolo Univ of Calif Davis campus. 9/10 mi s of Hutchinson Rd on rd marked 'University Airport, Bee Biology, A Phi O Area'. Plants more or less in groups beside rd. Comment
  UC735707  Calandrinia ciliata Walter Russell 1947-4-5 1894 a Yolo Davis Comment
  UCD146828  Calandrinia ciliata Carol W. Witham 2003-4-7 890 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD21211  Calandrinia ciliata J. Shepard 2000-3-12 76 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. North of parking lot and barn, by archery range. 12 Comment
  UCD80929  Calandrinia ciliata Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5332 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
  UCR206550  Calandrinia ciliata George K. Helmkamp, E. A. Helmkamp 2009-3-17 14401 Yolo Inner North Coast Ranges Foothills, along CA-20 and Cache Creek, 4.3 miles southeast of the Colusa County line 159 Comment
  UCD100157  Calandrinia ciliata F. H. Bolster 1912-4-1 s.n. Yolo Davis. Comment
  UCD15293  Calandrinia ciliata Claire Warshaw 1985-4-10 1 Yolo city of Davis, near intersection of Highway 113 and Hutchison Drive. 12 Comment
  UCD67388  Calandrinia ciliata Christine Armer 1992-4-18 1 Yolo Davis, Putah Creek Road near Stevenson Bridge Road, edge of orchard. 15 Comment
  UCD144777  Callitriche marginata Carol W. Witham 2003-4-11 936 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD41006  Callitriche marginata Carol W. Witham 2003-4-11 936 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD55510  Callitriche marginata J. Shepard 2004-3-7 634 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
  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
  UCD112246  Calochortus Christopher Mallek 2008-5-13 s.n. Yolo Cedar Basin (incl. Smith Flat). 597 Comment
  RSA734213  Calochortus amabilis Keith E. Hoffmaster 1946-4-13 1208 Yolo Putah Canyon Comment
Read comments
May 14 2010
  CAS-BOT-BC270869  Calycadenia pauciflora Roxana Stichfield 1916-7-1 368 Yolo [D'Ayly?] Sheep Ranch, above Buckeye Creek Comment
  UCD164514  Calycadenia pauciflora Craig D. Thomsen 2006-8-16 2702 Yolo Camp Haswell County Park. 304 Comment
  CAS-BOT-BC270864  Calycadenia pauciflora Gerald D. Carr 1971-9-16 661 Yolo 4.2 miles SE of Guinda on Road 53 Comment
  RSA255529  Calycadenia pauciflora Gerald D. Carr 1971-9-15 659 Yolo 3 miles east of Lake County line on Rieff-Rayhouse Road Comment
  UCD129896  Calycadenia pauciflora Gerald D. Carr 1971-9-15 659 Yolo 3.0 miles east of Lake County line on Rieff-Rayhouse Road. Comment
  HSC62900  Calycanthus occidentalis J. M. DiTomaso 1979-5-14 1000 Yolo Next to Cache Creek on Hwy. 16 213 Comment
  UCD137882  Calycanthus occidentalis S. C. Hanson 1949-5-5 6 Yolo Putah Canyon, about 3 miels from Winters. Comment
  UCD137912  Calycanthus occidentalis M. Ramos 1996-5-7 9 Yolo Mix Canyon Road. 396 Comment
  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
  UCD106206  Calystegia occidentalis subsp. occidentalis Jean Shepard 2011-8-20 853 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
  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
  POM248193  Camissonia ignota Robert F. Hoover 1938-4-23 3199 Yolo Grade on Rumsey - Arbuckle Road. Comment
  UC763012  Camissoniopsis ignota R. F. Hoover 1938-4-23 3199 Yolo grade on Rumsey-Arbuckle road Comment
  CAS-BOT-BC184980  Capillipedium parviflorum Beecher Crampton 1957-9-24 s.n. Yolo Agronomy experimental areas, Davis Campus. Comment
  UCD39907  Capillipedium parviflorum Beecher Crampton 1957-9-24 s.n. Yolo UC Davis Campus, Agronomy Experimental Area. Comment
  CAS-BOT-BC37054  Capsella bursa-pastoris W. D. Hamilton 1946-3-5 s.n. Yolo Davis. Comment
  RSA0054904  Capsella bursa-pastoris Keith E. Hoffmaster 1946-04 1056 Yolo Davis. Comment
  UCD114160  Capsella bursa-pastoris M. R. Wanzer 1948-5-15 22 Yolo just south of judging pavilion, University of California, Davis campus. Comment
  UCD14255  Capsella bursa-pastoris Eileen F. Chun 1974-5-14 83 Yolo Yolo County, Davis, Experimental College Gardens; 15 Comment
  UCD167843  Capsicum Paul G. Smith 1959-1 SA 393 Yolo University of California at Davis. Department of Vegetable Crops (Truck Crops) greenhouse. Origin of seed: in brush near village of Quincemil, Department Cuzco, Peru. Comment
  UCD167660  Capsicum frutescens Paul G. Smith 1959-1 SA 59 Yolo University of California at Davis. Department of Vegetable Crops (Truck Crops) greenhouse. Planted from seed collected in a market in Honda, Colombia. Said to be wild. Comment
  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
  SEINET8414740  Cardamine oligosperma J. M. Tucker 1958-3-29 3372 Yolo Botany Greenhouse; University of California, Davis. Comment
  UCD114566  Cardamine oligosperma J. M. Tucker 1958-3-29 3372 Yolo Botany Greenhouse, University of California, Davis. Comment
  UCD62872  Carduus pycnocephalus Chris Mosser; Plant Biology 102 students 2008-5-3 2 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. West side of Bray Creek. 100 Comment
  UCD150944  Carduus pycnocephalus subsp. pycnocephalus D. S. Park; K. Mawdsley 2010-4-22 25 Yolo Stebbins Cold Canyon area west of creek. 81 Comment
  UCD135904  Carduus pycnocephalus subsp. pycnocephalus T. C. Fuller 1964-5-14 11958 Yolo North side of River Rd., e. limits of Woodland. Comment
  UCD141698  Carex barbarae Ellen Dean; M. Taylor 2013-6-21 7810 Yolo North side of Putah Creek east of City of Winters. South of Russell Blvd. on east side HWY 505. Yolo County Housing Authority area. In or near Plot YHA 2A of Putah Creek vegetation survey. 6 Comment
  UCD59362  Carex barbarae Ellen Dean; Kate Mawdsley 2007-5-11 3786 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Crooker Springs, northeastern corner of ranch. 337 Comment
  UCR37039  Carex barbarae A. C. Sanders 1984-6-18 5066 Yolo Sacramento Valley, Sacramento Bypass near Bryte, just NW of Sacramento, bed of the bypass 1 mi west of the Sacramento River 5 Comment
  UCD131687  Carex divulsa subsp. divulsa Sally Barrett 2013-4-24 s.n. Yolo Western outskirts of the City of Woodland. Garden of residence at 32567 County Road 20, just west of the Cache Creek Nature Preserve. 36 Comment
  HSC79004  Carex praegracilis A. C. Sanders 1984-6-18 5067 Yolo Sacramento Bypass near Bryte, just NW of Sacramento, bed of the bypass 1 mi. W of the Sacramento River 5 Comment
  UCD140752  Carex praegracilis Everett H. Everson 1951-4-19 34 Yolo 9.4 miles southeast of Davis, beside county road 34A. Comment
  UCD140774  Carex praegracilis Unknown Collector 1925-3-12 1762 Yolo Davis. Comment
  CAS-BOT-BC117397  Carex senta Clarence Roy Quick 1972-7-22 72 -14 Yolo On E band of E levee of Merritt Island, at jtn of road 142, ca 20 mi SSW of Sacramento, Comment
  UCD142941  Carya illinoinensis Ellen Dean; T. Starbuck 2013-10-5 8009 Yolo UC Davis Russell Ranch Riparian Reserve. South of Russell Road, and on north side of Putah Creek. Near parking area close to creek (Place where road spur descends near middle of creek access road.) 30 Comment
  SEINET9327283  Castanea dentata June McCaskill, Tucker, J. 1957-8-30 539 Yolo City of Davis, 1 mi W of UC Davis campus, just W of University Airport, E of Bee House, on Stralock farms. Comment
  UCD122265  Castilleja affinis R. H. Ramsey 1961-3-18 11 Yolo On steep, southwest slope of Cache Creek canyon; State Highway 16, 3 miles northwest of Rumsey. Comment
  UCD58087  Castilleja applegatei Ellen Dean; K. Mawdsley 2007-4-6 3625 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
  JEPS42531  Castilleja applegatei subsp. martinii G. L. Stebbins Jr. 1966-2-22 6306 Yolo s slope Glasscock Mountain (n side of Cache Creek Canyon); Cache Creek Canyon 457 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
  UCD122267  Castilleja applegatei subsp. martinii Rolf Y. Berg 1964-3-14 8006 Yolo State Highway 16, ca. 2.5 miles northwest of Rumsey. Comment
  UCD122292  Castilleja applegatei subsp. martinii R. H. Miller 1949-5-8 51 Yolo Putah Canyon. 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
  UCD146931  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
  UCD122335  Castilleja attenuata J. M. Tucker 1951-3-25 2056 Yolo 1.1 miles north of Davis. Comment
  UCD122411  Castilleja exserta J. D. Skoss 1948-6-6 27 Yolo Putah Canyon, 2 miles below Yolo-Napa county line. Comment
  UCD122445  Castilleja exserta Michael A. Vincent; Ethan H. Freid 1998-4-7 8154 Yolo Above St. Rt. 128, 4 road miles west of Winters. Comment
  UCD14912  Castilleja exserta John Wassen 1977-4-17 9 Yolo in a north-facing side canyon along Highway 128, 3.7 miles west of the junction with County Road 86. Comment
  HSC90170  Castilleja exserta subsp. exserta Andrew Enberg, Brad Penkala, Dan Scofield 1990-4-23 53 Yolo Hwy. 16, 1/2 mi. S of Colusa County line 221 Comment
  SEINET5739668 Image available Castilleja exserta subsp. exserta C. B. Shah 1960-1 5 Yolo Hilly area, sloping south side toward creek, near scout cabin along Cache Creek Canyon, State Hwy 16, ca. 2 miles NW of Rumsey.; Rumsey 122 Comment
  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
  UCD56756  Castilleja foliolosa Ellen Dean; M. Bibbo 2007-3-23 3448 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
  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
  UCD55506  Caulanthus lasiophyllus J. Shepard 2003-4-27 603 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
  UCD82202  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
  RSA589906  Ceanothus cuneatus Michael A. Vincent, Robert M. Rhode 1996-3-30 7270 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16 , ca. 2 miles S of Colusa Co. Line. Comment
  UCD56733  Ceanothus cuneatus Ellen Dean; M. Bibbo 2007-3-23 3425 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
  UCD160170  Ceanothus cuneatus var. cuneatus Laura Losmozos 2015-4-12 3 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. Along undeveloped road near stock pond. 202 Comment
  UCD34944  Ceanothus griseus var. horizontalis Beecher Crampton 1992-5-27 s.n. Yolo Yolo County, Davis. Comment
  RSA273226  Ceanothus thyrsiflorus Glenn A. Gorelick 1966-2-12 s.n. Yolo Yolo County: Arboretum, University of Califronia, Davis, along Putah Creek, Davis Comment
  SEINET8058041 Image available Cedrus deodara June McCaskill, Katherine Onaga 1963-9-4 669 Yolo Davis, Southwest corner of Quadrangle, University of California campus Comment
  UCD57834  Cenchrus longispinus Beecher Crampton 1965-7-7 7439 Yolo Putah Creek Canyon, Hwy. 128, 7.4 miles west of Winters. Comment
  CAS-BOT-BC276977  Centaurea calcitrapa Beecher Crampton 1958-7-24 5044 Yolo Along County Road 29, ca. 4 miles north of Davis Comment
  CDA32099  Centaurea calcitrapa Dave Minnesang & Phyllis Hiatt 1979-6-7 Yolo Glides Tule Ranch, south of Davis on Rd. 106 0 Comment
  UCD130004  Centaurea calcitrapa Chas. B. Heiser Jr. 1947-7-10 1923 -a Yolo Davis. Comment
  UCD38832  Centaurea calcitrapa Beecher Crampton 1958-7-24 5044 Yolo 4 miles north of Davis. 0.9 miles east U.S. Hwy 99W. Comment
  CHSC107010  Centaurea iberica Dave Minnesang; Phyllis Hiatt 1979-6-7 Yolo Glides Tule Ranch, south of Davis on Rd. 106. 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
  NY532387  Centaurea repens B. Crampton 1956-7-13 3718 -B Yolo Harbor Blvd. and Deluth St., West Sacramento. Comment
  UCD19197  Centaurea solstitialis June McCaskill 1988-4-15 s.n. Yolo up Putah Canyon Rd. Comment
  UCD20572  Centaurea solstitialis E. Dean; with M. Bibbo 2002-7-5 1113 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. In drainage ditch on N side of road. 701 Comment
  UCR237588  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2012-3-9 18604 Yolo Sacramento Valley, East Main Street (Co. Rd. 22), Woodland (parallel to I-5), 0.4 mile west of the Sacramento River 7 Comment
  CAS-BOT-BC284494  Centaurea solstitialis M. P. Bellue 1931-9-4 1 Yolo Near Davis Comment
  CAS-BOT-BC284495  Centaurea solstitialis M. P. Bellue 1931-9-4 1 Yolo Near Davis Comment
  RSA273247  Centaurea solstitialis Glenn A. Gorelick 1965-10-3 s.n. Yolo Davis Comment
  UCD15685  Centaurea solstitialis David Uyeno 1989-6-4 8 Yolo Chiles Rd, Davis. 12 Comment
  UCD69723  Centaurea solstitialis Glen Luft 1982-6-4 5 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
  JEPS46946  Centaurium trichanthum Willis L. Jepson 1892-7-27 14636 Yolo w of Winters; Mountain Region of Clear Lake, Putah Canyon, Devils Gate Comment
  RSA433716  Centranthus ruber Glenn A. Gorelick 1966-6-1 s.n. Yolo Along side of street, D St and 5th St in Davis. Comment
  CAS-BOT-BC288507  Centromadia fitchii Roxana Stinchfield 1916-6-25 341 Yolo Mouth of Buckeye Creek Comment
  SBBG8415  Centromadia fitchii J. M. Tucker 1941-9-20 390 Yolo above Putah Crk, E side of Vaca Range Comment
  UCD81541  Centromadia fitchii W. W. Robbins; W. D. Norton 1927-10-1 822 Yolo West of Davis. Comment
  CAS-BOT-BC279098  Centromadia parryi subsp. rudis A. J. Bassinger 1920-11-1 s.n. Yolo Woodland Comment
  CAS-BOT-BC279102  Centromadia parryi subsp. rudis David D. Keck 1932-7-7 1731 Yolo About 6 mi. S. of Woodland, (3 mi. N. of intersection with Sacramento road) 30 Comment
  CAS-BOT-BC279107  Centromadia parryi subsp. rudis H. M. Hall 1916-8-10 10278 Yolo Woodland, Sacramento Valley 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
  UCD130202  Centromadia pungens P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Company. Clarksburg, Sacramento River. Comment
  UCD23238  Centromadia pungens Tom Kearney 1973-3-12 s.n. Yolo West side of Sacramento River, about 5 miles north of Knights Landing. Comment
  UCD33819  Centromadia pungens Beecher Crampton 1973-6-22 8965 Yolo 3 miles S.E. of Woodland (in direct line), county roads 25 and 103. Comment
  CAS-BOT-BC228576  Centromadia pungens subsp. pungens Tom Kearney 1973-3-12 s.n. Yolo West side of Sacramento River, about 5 miles north of Knights Landing Comment
  CAS-BOT-BC279411  Centromadia pungens subsp. pungens Clarence R. Quick 1969-8-18 69 -18 Yolo Garden, Merritt Island near junction of county roads #140 & 142, 3.5 miles south of Clarksburg Comment
  CAS-BOT-BC279413  Centromadia pungens subsp. pungens David D. Keck 1932-7-7 1731 Yolo About 6 mi. S. of Woodland, (3 mi. N. of intersection with Sacramento road) 30 Comment
  CAS-BOT-BC279414  Centromadia pungens subsp. pungens David D. Keck 1932-7-7 1730 Yolo About 6 miles S. of Woodland, (3 miles N. of intersection with Sacramento road) 30 Comment
  CAS-BOT-BC279415  Centromadia pungens subsp. pungens David D. Keck 1932-7-7 1730 Yolo About 6 miles S. of Woodland, (3 mi. N. of intersection with Sacramento road) 30 Comment
  CAS-BOT-BC223000  Cephalanthus occidentalis Beecher Crampton 1977-10-8 9541 Yolo Putah Creek Canyon, Vaca Mtns., Hwy. 128 Comment
  UCD41156  Cephalanthus occidentalis N. Nicola 2002-6-27 239 Yolo Eastern foothills of inner north coast range, Berryessa Valley. About 1.2 miles as the crow flies east of Monticello Dam, off of Hwy 128, south side of creek. Comment
  UCD160178  Cerastium glomeratum Leonardo Tuchman 2015-4-12 5 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, adjacent to ranch house headquarters. 99 Comment
  UCD21361  Cerastium glomeratum J. Shepard 2001-3-16 396 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 4.0 mi. south on Mace Blvd. (County Road 104), thence east along County Road 36 about 0.5 mi. Growing in a swath about 20 yards north from south fence (at County Road 36). 12 Comment
  UCD80944  Cerastium glomeratum Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5347 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
  HSC4102  Cerastium glomeratum M. Dole 1963-4-10 27 Yolo 3 mi. N of Hwy. 16 on Elkhorn Rd. Comment
  CAS-BOT-BC207760  Cercis occidentalis Camille F. Nowell 2011-6-13 11 Yolo McLaughlin Natural Reserve. Approx. 13 mi. E of Lower Lake on the Davis Creek access road. 1/2 mi. N from Knoxville-Berryessa Road. 598 Comment
  CDA29539  Cercis occidentalis M. K. Beyers 2009-7-18 170 Yolo Putah Creek; along trail leading from a pull-off on Highway 128 towards creek, downstream from the Monticello Dam. Adjacent to the small island (AKA Coyote-tooth Island) that forks Putah Creek. 0 Comment
  CDA30819  Cercis occidentalis M. Beyers 2010-4-3 338 Yolo Roadside along Highway 128, adjacent to Putah Creek Public Fishing Access #2. 54 Comment
  HSC98221  Cercis occidentalis W. R. Rogers 1966-5-8 245 Yolo Hwy. 16, 3 mi. W of Rumsey. Comment
  JEPS64778  Cercis occidentalis W. L. Jepson 1924-5-8 10410 Yolo Devil's Gate Putah Pass, Putah Creek (banks of creek) Comment
  POM128980  Cercis occidentalis W. P. Taylor 1912-6-26 s.n. Yolo Rumsey Comment
  RSA181686  Cercis occidentalis L. Williams 1927-3-20 s.n. Yolo Putah Canyon Comment
  RSA29316  Cercis occidentalis Joseph A. Ewan 1934-3-18 8688 Yolo Putah Creek, 8 miles above Winters. Comment
  RSA600823  Cercis occidentalis Joseph A. Ewan 1934-3-18 8688 Yolo Putah Creek, 8 miles above Winters. Comment
  UCD105658  Cercis occidentalis P. Thompson 1996-4-14 7 Yolo Davis, south side of town, path parallel to Valdora Road. 17 Comment
  UCD105665  Cercis occidentalis M. Wiesendanger 1928-4-5 355 Yolo Putah Canyon. Comment
  UCD36107  Cercis occidentalis Beecher Crampton 1952-10-28 893 Yolo Yolo County, 5 miles west of city of Winters, on Monticello Road, on south bank of Putah Creek. Comment
  UCR206282  Cercis occidentalis George K. Helmkamp, E. A. Helmkamp 2009-5-20 14729 Yolo Inner Coast Range, west side of Cache Creek along CA-16, 5.5 miles southeast of the Colusa County line 177 Comment
  UCR206542  Cercis occidentalis George K. Helmkamp, E. A. Helmkamp 2009-3-17 14405 Yolo Inner North Coast Ranges Foothills, along CA-20 and Cache Creek, 4.3 miles southeast of the Colusa County line 159 Comment
  UCD113018  Cercocarpus betuloides Amelie Blyth 1952-4-6 4- 4 Yolo Bank of Putah Creek, about 5 miles W of Winters, on highway between Winters and Monticello. Comment
  UCD168412  Cercocarpus betuloides Ellen Dean; M. Hoshovsky 2017-4-18 9321 Yolo Audubon Bobcat Ranch. Lands to the north of Hwy 128. Eastern portion of ranch north of ranch headquarters in a canyon to the south of Rattlesnake Rock. Area has burned three times in the past three years. 179 Comment
  SEINET2029500 Image available Chaenactis glabriuscula var. heterocarpha Annetta Carter 1938-5-7 1364 Yolo Steep north-facing slope; Cache Creek Canyon, 3.6 miles north of Rumsey, Inner North Coast Range 213 Comment
  UCD169005  Chaenactis glabriuscula var. heterocarpha Ellen Dean; Dash Weidhofer and Audubon trip participants 2017-4-1 9306 Yolo Audubon Bobcat Ranch. Lands north of Hwy 128 and Putah Creek west of town of Winters. Area burned three times in the past three years. Central part of ranch. Ridge extending south from undeveloped road west of headquarters. Above stockpond. 137 Comment
  UCD81465  Chamomilla suaveolens M. Wiesendanger 1927-4-29 600 Yolo Davis. Comment
  UCD34228  Chamomilla suaveolens Beecher Crampton 1978-5-8 9581 Yolo 1/4 mile south of Saxon Station. 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
  UCD81550  Chenopodium album W. W. Robbins; W. D. Norton 1928-8-1 1424 Yolo near Clarksburg. Comment
  UCD81846  Chenopodium album Ellen Dean; M. Showers, G. Harrington 2009-6-3 5765 Yolo Woodland Regional Park. City of Woodland property on the E side of County Road 102, just S of County Road 25. Old rodeo area with buildings now removed. 9 Comment
  UCD97754  Chenopodium album Beecher Crampton 1977-8-22 9521 Yolo Davis. Comment
  UCR265183  Chenopodium ambrosioides Barbara Ertter 1988-10-21 7988 Yolo Sacramento Valley, Cache Creek at Rd 89 crossing just west of I-505, east of gravel pits 1.5 mi north of Madison, c. 10 air miles west of Woodland 37 Comment
  CDA3050  Chenopodium ambrosioides M. S. Bergseng, S. Wagener 1958-11-4 1498 A-58 Yolo Sacramento River bank, Tower Bridge Marina, Broderick. 0 Comment
  UCD23198  Chenopodium berlandieri A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCD55176  Chenopodium berlandieri Joe DiTomaso 2006-9-6 s.n. Yolo UC Davis campus, southwest corner of Plant and Environmental Sciences building in the Vinca minor garden. Comment
  UCR213927  Chenopodium glaucum Jean V. Shepard 2008-6-27 816 Yolo Sacramento Valley, City of Davis, Covell Blvd. to Alhambra Dr., at entrance to Mace Ranch subdivision. 12 Comment
  CDA3037  Chenopodium murale J. M. DiTomaso 2006-9-6 s.n. Yolo UC Davis campus, southwest corner of Plant and Environmental Sciences building. 0 Comment
  UCD98366  Chenopodium rubrum A. M. Shapiro 1994-10-24 s.n. Yolo West Sacramento, E. Levee Yolo Bypass. Comment
  UCD98469  Chenopodium rubrum A. M. Shapiro 1994-9-19 s.n. Yolo West Sacramento, near E levee Yolo Bypass. Comment
  CAS-BOT-BC474758  Chenopodium rubrum var. rubrum Ellen Dean; C. Robbins 2013-8-28 7994 Yolo Eastern edge of city of Woodland, city property. N of Gibson Rd extension on E side of Pole Line Rd (Cty Rd 102); N of sewer plant (formerly evaporation ponds) 0 Comment
  UCD35611  Chenopodium strictum Beecher Crampton 1958-11-10 5138 Yolo UC Davis Campus, Pomology. Comment
  UCD20599  Chenopodium vulvaria E. Dean; with M. Bibbo 2002-7-5 1143 Yolo McLaughlin UC Reserve. 0.8 road miles S of Rayhouse Road reserve gate, along road to Soda Springs, W side of Davis Creek Resevoir. 493 Comment
  UCD21315  Chenopodium vulvaria J. Shepard 2000-5-20 266 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. Parking lot on north side of entrance road. 12 Comment
  UCD34699  Chloris virgata Beecher Crampton 1988-9-6 10143 Yolo Yolo County, along road 98 just north of jct. with road 25A. Comment
  UCD57951  Chloris virgata Beecher Crampton 1955-8-23 3140 Yolo 3 miles north of Davis, ditchbed along U.S. Hwy. 99 W. Comment
  CAS-BOT-BC238012  Chloropyron palmatum Beecher Crampton 1978-6-26 9606 Yolo 4 miles S.E. of Woodland Comment
  UCD34249  Chloropyron palmatum Beecher Crampton 1978-6-26 9606 Yolo 4 miles S.E. of Woodland. Comment
  SEINET12239573  Choisya ternata R. E. Tanner 1955-3-21 24 Yolo 614 Oak Avenue, Davis Comment
  UCD33487  Chorispora tenella Beecher Crampton 1969-4-7 8395 Yolo Yolo County, Woodland, Cross and East streets. Comment
  CHSC106024  Chorizanthe membranacea Ayzik Solomeschch 2005-4-10 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Northeastern part of ranch, Maxwell Flat area, accessed by private road that is at the end of Moody Slough Rd. 71 Comment
  UCD160166  Chorizanthe membranacea Heather Castro 2015-4-12 4 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. 113 Comment
  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
  UCD130488  Cichorium intybus Daryl Koutnik; John Sowell 1978-10-27 565 Yolo Putah Creek, east of county road 106 and west of Yolo Causeway. 6 Comment
  CAS-BOT-BC286384  Cirsium occidentale var. venustum Roxana Stinchfield 1916-6-26 344 Yolo Buckeye Creek West of R.R. crossing Comment
  UCD41065  Cirsium vulgare Carol W. Witham 2003-8-8 996 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  SEINET10811441  Citrus reticulata Stephanie Frischie 2000-10-12 Frischie 131 Yolo Nugget Market, Oaktree Plaza, 1414 E. Covell Blvd., Davis, CA. 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
  UCD23194  Clarkia affinis A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCD48062  Clarkia concinna Ryan Knox; E. McDermott, G. Walden 2002-4-13 16 Yolo McLaughlin UC Reserve, W side of Davis Creek Reservoir, along road that goes from Soda Spring area to Rayhouse Rd. 0.5 airline mile due N of Soda Springs and 1.0 airline mile WNW of UC Davis Aquatic Lab facility. 491 Comment
  UCR206283  Clarkia concinna subsp. concinna George K. Helmkamp, E. A. Helmkamp 2009-5-20 14728 Yolo Inner Coast Range, west side of Cache Creek along CA-16, 5.5 miles southeast of the Colusa County line 177 Comment
  UCD73714  Clarkia purpurea Ayzik Solomeshch 2004-5-14 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 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
  CDA30843  Clarkia unguiculata M. Beyers 2010-5-12 438 Yolo Vicinity of Esparto, east side of County Road 87, at Cache Creek bridge. 55 Comment
  UCD59345  Clarkia unguiculata Ellen Dean; Kate Mawdsley 2007-5-11 3769 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Central part of ranch. 539 Comment
  UCD81013  Claytonia parviflora subsp. parviflora Jose-Luis Rayas; with PLB 102 students 2009-4-26 5 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Bray Canyon, along old road. 113 Comment
  UCD21195  Claytonia perfoliata J. Shepard 2000-2-19 49 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, found near entrance road to the north. 12 Comment
  UCD21365  Claytonia perfoliata J. Shepard 2001-3-16 401 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, thence south on track toward County Road 36. About 20 yards before reaching fence at County Road 36, east. 12 Comment
  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
  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
  RSA701431  Clematis lasiantha Keith E. Hoffmaster 1946-3-29 s.n. Yolo Putah Canyon, near cannon-ball Comment
  UCD15643  Clematis lasiantha Rachelle Raymond 1989-6-2 703 Yolo Outside Stebbins Reserve. 121 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
  SEINET5718384 Image available Clematis lasiantha Don C. Elfving 1964-1 51 Yolo Cache Creek, ca. 5 miles north of Rumsey.; Rumsey 152 Comment
  UCD35816  Clematis ligusticifolia B. Crampton 1962-8-27 6643 Yolo 4.6 miles s.e. of Knight's Landing, along the Sacramento River. Comment
  UCD95586  Clematis ligusticifolia S. C. Hanson 1949-6-10 30 Yolo Bank of Putah Creek, near Horse Barn, University Farm, Davis. Comment
  RSA734138  Collinsia concolor Lois Weston 1942-4-24 1174 Yolo Putah Canyon. Comment
  UC917279  Collinsia heterophylla H. B. Currier and C. B. Heiser Jr. 1947-4-10 1901 Yolo 1 mi nw of Rumsey (just off Highway 16) Comment
  UCD123620  Collinsia heterophylla M. Wiesendanger 1927-4-29 623 Yolo Esparto. 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
  UCD123606  Collinsia heterophylla J. McGrath 1963-3-8 4 Yolo at Recreation Beach along Putah Creek, State Highway 128, 8 miles west of Winters. 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
  UCSB50182  Consolida ajacis Gray, John 1976-4-25 Yolo In empty lot near Aggie-Villa, Davis; T 8N R 3E Sec 15 15 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
  UCD20891  Convolvulus arvensis N. Nicola 2001-5-1 119 Yolo Eastern foothills of inner north coast range, Capay Valley, on roadside of Hwy. 16, about 1.5 mi. NW of Rumsey. Comment
  UCD21260  Convolvulus arvensis J. Shepard 2000-4-21 149 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, past parking lots on the south side. Growing on the south side of road. 12 Comment
  UCD69415  Convolvulus arvensis S. Quick 1996-5-19 12 Yolo City of Davis. F Street, within 10 meters of the railroad tracks, between 12th and 14th Streets. Disturbed rocky field, dominated by grasses. Herb densely decumbent to spreading vine. Flowers white with pink edging along sepal margins. 17 Comment
  UCD81460  Convolvulus arvensis M. Wiesendanger 1927-5-4 647 Yolo Putah Canyon. Comment
  RSA394808  Convolvulus arvensis Glenn A. Gorelick 1966-6-1 s.n. Yolo On campus at U.C. Davis. Comment
  UCD14212  Convolvulus arvensis Dan Ray 1974-6-2 66 Yolo Yolo County; Road 103 at Chiles Road; 15 Comment
  UCD15237  Convolvulus arvensis Claire Warshaw 1985-5-31 24 Yolo California, Yolo Co.; ca. 1 mile north on F street from Covell Blvd., outside of the green-belt; 12 Comment
  UCD15572  Convolvulus arvensis Collector Unknown Date Unknown s.n. Yolo Putah Creek, near lake Berryessa. 30 Comment
  CAS-BOT-BC286046  Conyza canadensis Roxana Stinchfield 1916-6-26 343 Yolo Mouth of Buckeye Cr. Comment
  UC1278026  Cordylanthus palmatus B. Crampton 1952-11-4 909 Yolo 1.5 mi e Woodland (vicinity of Woodland sewage disposal plant) Comment
  UCR198032  Cordylanthus pilosus Arthur M. Shapiro 1994-9-7 s.n. Yolo West Sacramento, along jeep trail north of RR embankment, near east levee of Yolo Bypass Comment
  UCD123096  Cordylanthus rigidus subsp. rigidus A. M. Shapiro 1994-9-7 s.n. Yolo West Sacramento; along jeep trail N of RR embankment, near E levee of Yolo bypass. Comment
  UCD127339  Coriandrum sativum P. B. Kennedy 1914-7-1 s.n. Yolo Agronomy plots, Davis. Comment
  CAS-BOT-BC474756  Cornus glabrata Ellen Dean; K. MacMillen 2013-8-9 7942 Yolo Downstream of Monticello Dam along Hwy 128, N side of Putah Creek in Putah Creek Vegetation Survey Plot 1NT4B 45 Comment
  UCD142969  Cornus glabrata Ellen Dean; K. MacMillen 2013-8-9 7942 Yolo Downstream of Monticello Dam along Hwy 128, north side of Putah Creek in Putah Creek Vegetation Survey Plot INT4B. 45 Comment
  CDA37701  Coronopus squamatus R. Breckenridge/K. Filippini 2006-6-15 s.n. Yolo Near Davis; southern Yolo by-pass, California Department of Fish & Game Preserve lands and access roads. 0 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
  UCD73723  Cotula australis Ayzik Solomeshch 2004-5-14 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  UCD35487  Cotula australis Beecher Crampton 1957-4-5 3917 Yolo UC Davis campus, east of Animal Science Building. Comment
  UCD150996  Cotula coronopifolia D. S. Park; S. Nicole 2010-5-11 75 Yolo Davis wetlands. Comment
  UCD146832  Crassula connata Carol W. Witham 2003-4-9 909 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  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
  UCD73620  Crassula tillaea Ellen Dean; Elizabeth Goebel 2008-4-7 4747 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat, west of Dry Creek road crossing. 83 Comment
  UCD37036  Cressa truxillensis Beecher Crampton 1956-7-13 3704 Yolo Yolo Bypass. Comment
  UCD126221  Cressa truxillensis P. B. Kennedy 1916-7-23 s.n. Yolo Exact location unknown. Comment
  UCD162345  Crocanthemum scoparium Craig Thomsen 2006-6-8 2655 Yolo Camp Haswell Otis Ranch Regional Park. West side of Cache Creek. Vicinity of ridgeline trail 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
  UCD41060  Crypsis alopecuroides Carol W. Witham 2003-8-8 991 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  SBBG21242  Crypsis schoenoides B. Crampton 1961-8-1 5965 Yolo Davis Comment
  SD28268  Crypsis schoenoides R. N. Raynor 1940-10-20 Yolo North of Yolo Bypass Comment
  UCD21331  Crypsis schoenoides J. Shepard 2000-6-11 303 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 500 feet south to disked vernal pool. 12 Comment
  UCD59818  Crypsis schoenoides R. N. Raynor 1940-10-10 Yolo Conaway Ranch, North of 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
  UCD145280  Crypsis schoenoides Barry Hammel 1976-5-28 460 Yolo near Interstate 80 bridge around 2 miles west of Davis. Comment
  UCD149398  Cryptantha ambigua Collector Unknown 1949-1 s.n. Yolo Yolo County. Capay Valley. Hungry Hollow 53 Comment
  UC78705  Cryptantha excavata C. F. Baker 1903-5-8 2886 Yolo Cache Creek canyon Cache Creek Comment
  CHSC79260  Cryptantha flaccida Beecher Crampton 1955-4-18 2502 Yolo 2 miles west of Winters. Comment
  UCD58055  Cryptantha flaccida Ellen Dean; K. Mawdsley 2007-4-6 3595 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 515 Comment
  UCD63070  Cryptantha flaccida Ellen Dean 2008-4-9 4779 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
  UCD37176  Cryptantha flaccida Beecher Crampton 1958-4-21 4718 Yolo Yolo County, 6.5 miles northwest of Rumsey, Highway 16. Comment
  UCD18430  Cucumis melo Bijan Dehgan 1975-8-11 s.n. Yolo city of Davis, grown in UCD greenhouse. 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
  UCD126277  Cuscuta campestris Peter Menth 1992-6-2 2 Yolo E. side of highway along edge. 2 mi s. Gibson Road on Poleline Road. Comment
  UCD67389  Cuscuta campestris Jane Lorre 1992-6-5 15 Yolo Along Road 102 by Pole Line Road. 10 Comment
  UCD126300  Cuscuta howelliana Jim Sherar 1992-6-16 s.n. Yolo south of Dixon. Comment
  RSA273243  Cuscuta indecora Glenn A. Gorelick 1965-10-3 s.n. Yolo Found along Putah Creek. Davis 0 Comment
  OBI68589  Cuscuta japonica Bill Lyon 2006-11-28 1441246 Yolo West Sacramento; 1912 Proctor Ave 4 Comment
  UCD54471  Cuscuta pentagona R. Keith Glenn 1973-10-9 s.n. Yolo Sugar beat field ca. 2 miles south of Interstate hwy 80 on east edge of Yolo Bypass. Comment
  UCR119107  Cuscuta salina Beecher Crampton 1961-7-25 5942 Yolo Sacramento Valley, 1 mile southwest of Saxon Station. 15 Comment
  UCD126345  Cuscuta subinclusa W. A. Harvey 1953-10-20 s.n. Yolo Pole Line Road (#202), ca. 4 miles north of Davis. Comment
  CDA3126  Cycloloma atriplicifolium C. Justus 1958-5-2 425 Yolo 0 Comment
  UCD169012  Cyclospermum leptophyllum Ellen Dean 2017-4-5 9308 Yolo City of Davis. In lawn of house on southwest corner of the intersection of Anderson and 8th streets. Comment
  SACT000838  Cynodon dactylon John Willoughby 1977-4-27 Yolo State Highway 128 at fishing access point, 1.2 miles northwest of the junction with County Road 86. South-facing slope on north side of road, grassland. 65.0 Comment
  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
  CDA1943  Cynodon dactylon M. K. Bellue 1933-6-11 Yolo 0 Comment
  UC765558  Cynoglossum grande R. F. Hoover 1938-3-12 2847 Yolo Cache Creek Canyon near Rumsey Comment
  UCD47945  Cynoglossum grande Yumee Kim; L. Bachman, and P. Lalbhai 2002-4-13 10 Yolo McLaughlin UC Reserve. W side of Davis Creek Reservoir, along road that goes from Soda Spring area to Rayhouse Rd. Ca. 0.5 airline mile due N of Soda Springs and ca. 1.0 airline mile WNW of UC Davis Aquatic Lab facility. Along edges of running stream and slopes to the north and south stream on the W side of the road. 487 Comment
  UCD73104  Cynosurus echinatus Ellen Dean; Susan Xhang, Christa Lindsey, Chris Mosser 2008-5-3 4895 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Along Bray Creek. 88 Comment
  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
  SD131803  Cyperus difformis Barbara Ertter 1988-10-21 7995 Yolo Sacramento Valley; ca. 10 airmiles west of Woodland; Cache Creek at Road 89 crossing just west of I-505; east of gravel pits 1.5 miles north of Madison; shallow backwater pool; gravelly. 36 Comment
  CAS-BOT-BC114576  Cyperus eragrostis Clarence Roy Quick 1972-7-22 72 -19 Yolo Occasional near river's edge. On E levee of Merritt Island, at junction of road 142. Comment
  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
  CAS-BOT-BC114278  Cyperus esculentus Clarence Roy Quick 1968-8-25 68 -12 Yolo Garden, Merritt Island. Near junction of county roads #140 & 142, Comment
  UCD34358  Cyperus esculentus Beecher Crampton 1980-8-1 9755 Yolo Davis. Comment
  UCD38253  Cyperus esculentus Beecher Crampton 1953-8-23 1599 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
  CAS-BOT-BC114002  Cyperus rotundus 1932-4-20 s.n. Yolo From a backyard in Davis. Comment
  CDA2600  Cyperus rotundus MacBride 1939-11-24 Yolo School, Clarksburg. 0 Comment
  UCD20534  Cyphomandra betacea Cliff Low 1983-7-19 s.n. Yolo Yolo County, Davis, 214 Second St. Comment
  SACT000876  Dactylis glomerata Lester Varozza 1960-4-24 Yolo 11 miles southwest of Davis, Ca Comment
  UCD60292  Dactylis glomerata Beecher Crampton 1962-4-18 6231 Yolo Davis. Southern Pacific R. R. Station. Comment
  CAS-BOT-BC445499  Damasonium californicum Mrs. H. C. Cantelow 1940-5-13 3185 Yolo 9 1/2 mi. w. of Sacramento Comment
  UCD138004  Damasonium californicum R. H. Miller 1949-5-11 56 Yolo along the road north out of Davis. Comment
  UCR244759  Datura ferox Jean V. Shepard 2011-8-20 856 Yolo NE of Woodland, from intersection of county roads 102 & 16, east on road 16 to T. Right on Rd 16A around Gray's Bend about 2 miles to private dirt road on left. Site is just east of Sutter Co. line. 14 Comment
  UCD126533  Datura stramonium M. Phillips 1929-10-1 2067 Yolo Putah Canyon. Comment
  UCD126535  Datura stramonium W. W. Robbins 1932-6-27 s.n. Yolo University Farm, Davis. Comment
  UCD161040  Datura wrightii Jean Shepard 2000-8-28 338 Yolo City of Davis. South of Fifth St., off Del Rio Pl. 10 Comment
  UCD126643  Datura wrightii Collector unknown Date unknown s.n. Yolo Davis. Comment
  UCD67991  Datura wrightii M. Thibodeau 1995-5-29 14 Yolo Along Putah Creek, at University of California, Davis picnic grounds. 17 Comment
  UCD20852  Daucus pusillus N. Nicola 2001-4-19 069 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  LA207398  Delphinium hansenii Mehlquist; Baker 314 Yolo 3.5 mi. W of Winters Putah Creek Canyon Comment
  UC1031394  Delphinium hansenii H. Lewis and G. Mehlquist 1941-5-9 Yolo State Hwy 28 3.6 mi w Winters Comment
  JEPS84646  Delphinium hansenii John W. Willoughby 1977-5-12 2392 Yolo along State Hwy 128 just E of jct with Pleasants Valley Road (County Road 86) Vaca Mountains 45 Comment
  LA207394  Delphinium hansenii H. Lewis; G. Mehlquist 1941-9-5 sn Yolo State Highway #28, 3.6 mi. W of Winters Comment
  LA207499  Delphinium hesperium H. Lewis; G. Mehlquist 1941-9-5 sn Yolo Putah Creek, 0.1 mi. E of the Napa Co. line Comment
  UCD34233  Delphinium hesperium Beecher Crampton 1978-5-15 9588 Yolo Yolo County, ca. 3 miles west of Winters on Hwy. 128. Comment
  CAS-BOT-BC10071  Delphinium hesperium subsp. pallescens H. Lewis; G. Mehlquist 1941-5-9 s.n. Yolo State Highway 28, 3.6 miles 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
  UCD96057  Delphinium nudicaule J. M. Tucker 1951-2-23 2036 Yolo 4 miles northwest of Rumsey. Comment
  UCD168994  Delphinium patens Ellen Dean; C. Thomsen and M. Hoshovsky 2017-3-29 9297 Yolo Audubon Bobcat Ranch. West side of ranch, north of Hwy 128, near western property boundary. Along undeveloped road on the west side of Bray Canyon. About halfway to top of slope. Area has burned three times in the last three years. 177 Comment
  CAS-BOT-BC116450  Delphinium patens subsp. patens Ella D. Cantelow 1940-3-9 4277 Yolo Putah Canyon opp. Devil's Gate Comment
  UCD20011  Delphinium variegatum C. H. Lamoureux; Jack, Marie, and Susan Sheets 1957-4-28 1228 Yolo Capay Canyon. Hwy 16, 7.1 miles NW of Rumsey. 0.1 mile SE of Yolo-Colusa County line. 304 Comment
  CDA31663  Deschampsia danthonioides P. B. Kennedy 1925-4-26 Yolo Davis 0 Comment
  CHSC79403  Deschampsia danthonioides Beecher Crampton 1955-4-14 2496 Yolo 1 mile south of Dunnigan, along U. S. Highway 99W. Comment
  UCD36099  Deschampsia danthonioides Beecher Crampton 1952-10-27 877 Yolo Yolo County, I.5 miles north of city of Davis, along Southern Pacific Railroad property. Comment
  UCD37588  Deschampsia danthonioides Beecher Crampton 1955-4-14 2486 Yolo Yolo County, 2 miles south of Zamora, along U.S. Highway 99W. Comment
  UCD37595  Deschampsia danthonioides Beecher Crampton 1955-4-14 2496 Yolo Yolo County, 1 mile south of Dunnigan, along U.S. Highway 99W. Comment
  UCD62542  Deschampsia danthonioides M. Wiesendanger 1927-4-29 593 Yolo Davis. Comment
  UCD62775  Deschampsia danthonioides var. gracilis A. A. Beetle Date Unknown 4372 Yolo Woodland Airport. 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
  UCD37586  Descurainia sophia Beecher Crampton 1955-4-14 2481 Yolo Yolo County, city of Woodland. Comment
  UC143057  Dichelostemma capitatum C. F. Baker 1903-5-7 3072 Yolo Rumsey 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
  SEINET8472319  Dichelostemma capitatum subsp. capitatum Schank 1959-3-28 s.n. Yolo About 2 miles W of Winter along Hwy 128. 152 Comment
  UCD139204  Dichelostemma capitatum subsp. capitatum Rolf Y. Berg 1963-2-10 s.n. Yolo along Solano Lake, between resort and Pleasants Valley Road, Putah Creek Canyon. Comment
  HSC82058  Dichelostemma volubile Thomas W. Nelson, Jane P. Nelson 1980-4-27 5105 Yolo Along SR 16, 100 m E of bridge over Cache Creek, 4.2 mi. from county line 152 Comment
  HSC3102  Dichelostemma volubile W. R. Rogers 1965-6-25 251 Yolo Fisk Creek Ridge, 6 mi. S Hwy. 16 Comment
  UCD63906  Digitaria eriantha Beecher Crampton 1957-10-30 Yolo Agronomy Experimental Areas, Davis campus. Comment
  SBBG115400  Digitaria sanguinalis B. Crampton 1966-10-11 7812 Yolo University of California Davis agronomy field Comment
  UC1137095  Digitaria sanguinalis August L. Hormay Yolo Davis Comment
  UCD63995  Digitaria sanguinalis Beecher Crampton 1969-7-25 8499 Yolo Davis, Russell Blvd. divider strip. 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
  CAS-BOT-BC151332  Diplacus tricolor A. A. Heller; H. E. Brown 1902-4-29 5417 Yolo Near Madison 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
  UCD36098  Distichlis Beecher Crampton 1952-10-24 869 Yolo Yolo County, I.5 miles north of city of Davis, along Southern Pacific Railroad property. Comment
  UCD37378  Distichlis Beecher Crampton 1960-2-11 5476 Yolo Yolo County, 4-5 miles west of city of Winters, entrance to Putah Creek Canyon. Comment
  UCR119083  Distichlis Beecher Crampton 1952-10-24 869 Yolo Sacramento Valley, 1.5 miles north of city of Davis, along Southern Pacific Railroad property. 15 Comment
  SEINET249771 Image available Distichlis spicata Beecher Crampton 1958-6-20 4940 Yolo 3-4 miles east of Woodland, along State Hwy. 16 and 24. Comment
  UCD20598  Distichlis spicata E. Dean; with M. Bibbo 2002-7-5 1142 Yolo McLaughlin UC Reserve. 0.8 road miles S of Rayhouse Road reserve gate, along road to Soda Springs, W side of Davis Creek Resevoir. 493 Comment
  UCD38784  Distichlis spicata Beecher Crampton 1958-6-20 4940 Yolo 3-4 miles E of Woodland, along State Hwy. 16 and 24. Comment
  UCD81033  Distichlis spicata Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5580 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
  UCD95023  Distichlis spicata Beecher Crampton 1958-6-20 4940 Yolo 3-4 miles E of Woodland, along State Hwy. 16 and 24. Comment
  UCR119095  Distichlis spicata Beecher Crampton 1954-9-30 2283 Yolo Sacramento Valley, 3 miles north of Davis. 15 Comment
  CDA33551  Dittrichia graveolens Robin Breckenridge & Katie Filippini 2009-12-15 PDR# 1313585 Yolo Interstate 505 N just before County Road 14 exit. 0 Comment
  SEINET197736 Image available Dodecatheon hendersonii Everett H. Everson 1951-2-23 1 Yolo Cache Creek Canyon, 5.3 miles Northwest of Rumsey, near border of Yolo and Colusa counties. Comment
  UCD56729  Dodecatheon hendersonii Ellen Dean; M. Bibbo 2007-3-23 3421 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SW portion of ranch. 703 Comment
  UCD37387  Downingia bicornuta Beecher Crampton 1960-5-9 5501 Yolo Yolo County, 1.25 miles southwest of Saxon Station, along County Road 105. Comment
  RSA10434  Downingia insignis C. B. Wolf 1928-5-8 2134 Yolo Sacramento Valley; 4 miles N of Zamora. Comment
  SD27860  Downingia insignis Carl B. Wolf 1928-5-8 2134 Yolo Sacramento Valley, 4.0 miles north of Zamora. 39 Comment
  HSC3850  Downingia insignis M. Dole 1963-4-14 66 Yolo 1/2 mi. S of US 40 on Road 104 Comment
  SD225747  Downingia insignis Beecher Crampton 1960-5-9 5504 Yolo Yolo County, 0.75 miles southwest of Saxon Station, along County Road 38. Comment
  CHSC79276  Downingia ornatissima var. ornatissima Beecher Crampton 1978-5-8 9585 Yolo 1 mile south 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
  UCD36179  Downingia pulchella Beecher Crampton 1953-3-31 1049 Yolo Yolo County, Madison. Comment
  UCD54993  Downingia pulchella R. H. Miller 1949-4-16 39 Yolo Near west end of Yolo Causeway. Comment
  UCD18289  Downingia pulchella Craig D. Thomsen 1998-6-4 s.n. Yolo SE of city of Woodland, south of road 25, 200 m west of road 103, in drying alkaline vernal pool. Comment
  UC635710  Downingia pulcherrima D. Tebbe 1930-4-5 140 Yolo near Woodland; Sacramento Valley Comment
  UCD101884  Dudleya cymosa R. F. Denno 1967-3-29 23 Yolo 0.5 mile east of Monticello Dam. 76 Comment
  UCD62899  Dudleya cymosa subsp. cymosa Christa Lindsey; Plant Biology 102 students 2008-5-3 1 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
  SEINET1910266  Dysphania ambrosioides Barbara Ertter 1988-1 7988 Yolo Cache Creek at Rd 89 crossing just W of I-505, E of gravel pits 1.5 mi N of Madison, ca 10 airmiles E of Woodland, Sacramento Valley 37 Comment
  UCD81431  Dysphania ambrosioides M. Wiesendanger 1927-10-1 s.n. Yolo Davis. University Farm. Comment
  UCD98788  Dysphania chilensis J. D. Skoss 1948-5-30 s.n. Yolo Roadside, U.S. Highway 40, 2 miles west of Sacramento. Comment
  HSC87775  Echinochloa colona June McCaskill, Margene Griggs, W. A. Harvey 1968-8-1 737 Yolo 1/2 mile east of University of California, Davis. Comment
  HSC93575  Echinochloa colona G. Fred Hrusa 1997-8-28 14090 Yolo NE corner of Walnut and North, Woodland. 50 Comment
  SBBG115752  Echinochloa colona B. Crampton 1965-10-5 7535 Yolo University of California Davis agronomy field house area Comment
  UCD32995  Echinochloa colona Beecher Crampton 1965-10-5 7535 Yolo Yolo County, UC Davis agronomy field house area. Comment
  UCD36445  Echinochloa colona Beecher Crampton 1953-8-24 1601 Yolo Yolo County, 1 mile west of city of Winters. Comment
  UCD60775  Echinochloa colona Beecher Crampton 1954-7-28 2226 Yolo 1 mile 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
  UCR197957  Echinochloa colona Beecher Crampton 1953-8-24 1602 Yolo 1 mi west of city of Winters Comment
  CAS-BOT-BC242673  Echinochloa crus-galli Beecher Crampton 1965-7-7 7436 Yolo Northern city limits of Winters 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
  SEINET241775 Image available Echinochloa crus-galli Beecher Crampton 1965-8-18 7482 b Yolo 3 milew NW of Davis on County Rd. 99 between roads 30 and 31. Comment
  SEINET249962 Image available Echinochloa crus-galli Beecher Crampton 1961-7-21 5941 Yolo 5.5 miles west of city of Davis, along Russell Boulevard. Comment
  UCD32817  Echinochloa crus-galli Beecher Crampton 1964-7-28 7131 Yolo Yolo County, UC Davis campus, central garage. Comment
  UCD32911  Echinochloa crus-galli Beecher Crampton 1965-7-7 7433 Yolo Yolo County, UC Davis, Campbell tract around irrigation valve. Comment
  UCD32930  Echinochloa crus-galli Beecher Crampton 1965-7-8 7449 Yolo Yolo County, 8 miles N.W. of knight's Landing. Comment
  UCD32952  Echinochloa crus-galli Beecher Crampton 1965-7-27 7472 b Yolo Yolo County, 5.1 miles east of Woodland. Comment
  UCD32960  Echinochloa crus-galli Beecher Crampton 1965-8-18 7482 a Yolo Yolo County, 3 miles N.W. of Davis on County rd. 99 between roads 30 and 31. Comment
  UCD32961  Echinochloa crus-galli Beecher Crampton 1965-8-18 7482 b Yolo Yolo County, 3 miles N.W. of Davis on County rd. 99 between roads 30 and 31. Comment
  UCD60838  Echinochloa crus-galli Beecher Crampton 1957-9-16 4612 Yolo County Road 27, 8 miles northwest Davis. Comment
  UCD60872  Echinochloa crus-galli Beecher Crampton 1955-8-22 3134 Yolo UC - Davis campus. Comment
  UCD60903  Echinochloa crus-galli H. R. Drever 1945-6-1 Yolo University of California campus, Davis. Comment
  UCR119117  Echinochloa crus-galli Beecher Crampton 1965-7-7 7433 Yolo Sacramento Valley, UC Davis. 15 Comment
  UCR119161  Echinochloa crus-galli Beecher Crampton 1961-7-21 5941 Yolo Sacramento Valley, 5.5 miles west of city of Davis, along Russell Boulevard. 15 Comment
  UC735745  Echinodorus berteroi Charles B. Heiser Jr. 1947-7-22 1964 Yolo rice field n. of Davis Comment
  UCD137948  Echinodorus berteroi Sonia Cook 1972-5-27 s.n. Yolo on north side of Putah Creek, south of Cal Aggie airstrip, University of California at Davis campus. Comment
  SEINET240089 Image available Ehrharta longiflora Beecher Crampton 1951-1 T.O. 2036 Yolo CULTIVATED; UC Davis agronomy experimental area, plant introduction nursery, row 20. Comment
  UCD84365  Elatine californica Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCD49586  Eleocharis dulcis Chong. I. Chim 1961-10-18 s.n. Yolo Water Chesnut. Origin: Commercial source. Comment
  UCD141690  Eleocharis macrostachya Ellen Dean; M. Taylor 2013-6-20 7802 Yolo North side of Putah Creek east of City of Winters. South of Russell Blvd. on east side HWY 505. Yolo County Housing Authority area. Plot YHA 1E of Putah Creek vegetation survey. 6 Comment
  UCD49818  Eleocharis macrostachya Collector unknown Date Unknown s.n. Yolo Yolo County, California. Comment
  SEINET201484  Eleocharis palustris Paul H. Calberley 1961-5-14 527 Yolo 4 miles west of Davis on State Highway 128, Comment
  UCD36085  Eleusine indica Beecher Crampton 1952-10-3 852 Yolo Yolo County, city of Davis, adventive in lawn. Comment
  UCD61264  Eleusine indica Beecher Crampton 1971-9-7 8757 Yolo University of California Davis Campus. Comment
  UCD61266  Eleusine indica June McCaskill 1957-7-22 531 Yolo In front of Room 9, Temporary Building 4, University of California, Davis. Comment
  UCR197934  Eleusine indica Beecher Crampton 1952-10-3 852 Yolo Sacramento Valley, city of Davis 16 Comment
  UCD164528  Elymus glaucus Craig D. Thomsen 2006-6-13 2659 Yolo Camp Haswell County Park, flat above turnout along Hwy 16. 137 Comment
  POM205418  Elymus multisetus A. A. Heller 1902-5-21 5577 Yolo Near Madison Comment
  UCD37510  Elymus repens Beecher Crampton 1961-3-13 5828 Yolo Yolo County, city of Davis, Southern pacific Railroad Station. Comment
  UCD37838  Elymus repens Beecher Crampton 1962-4-18 6229 Yolo Yolo County, city of Davis, Southern Pacific Railroad Station. Comment
  UCD62560  Elymus repens Beecher Crampton 1961-5-2 5862 Yolo Southern Pacific Railroad Station, Davis. Comment
  UCD62573  Elymus repens Beecher Crampton 1961-3-13 5828 Yolo Southern Pacific R. R. station, Davis. Comment
  UCR152277  Elymus repens Beecher Crampton 1955-6-6 2818 Yolo Sacramento Valley, city of Davis 16 Comment
  UCD37677  Elymus trachycaulus var. majus Beecher Crampton 1961-6-1 5880 Yolo Yolo County, northern city limit of Davis, along County Road 31. Comment
  HSC9741  Elymus triticoides J. V. Lenz 1947-5-8 Yolo Esparto Comment
  UC1151609  Elytrigia repens Beecher Crampton 1962-5-4 6401 Yolo Southern Pacific R.R. station Davis Comment
  UCD14590  Epilobium David S. Wilson 1985-8-27 s.n. Yolo Davis, at the Calvin Cassel Ranch, north of the tank house, on Sycamore North, just behind the Davis Christian Assembly. 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
  UCD73734  Epilobium brachycarpum Ayzik Solomeshch 2004-5-28 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  UCD105383  Epilobium brachycarpum P. B. Kennedy 1920-6-23 s.n. Yolo Clarksburg-Sacramento River. Comment
  UCD35450  Epilobium brachycarpum Beecher Crampton 1956-9-28 3873 Yolo 3 miles west of Davis. Comment
  UCD84352  Epilobium campestre Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCD38841  Epilobium campestre Beecher Crampton 1958-6-27 4989 Yolo Along County Road 99. ca. 3 miles northwest of Davis. Comment
  CHSC79327  Epilobium canum Beecher Crampton 1975-6-11 9211 Yolo Junction of county roads 38 and 106 off the S.W. corner. Comment
  UCD161049  Epilobium canum subsp. canum Craig Thomsen 2006-6-30 2619 Yolo Camp Haswell. West side of Cache Creek. 144 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
  UCD84311  Epilobium cleistogamum Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCD33983  Epilobium cleistogamum Beecher Crampton 1975-6-18 9222 Yolo Junction of County Roads 38 and 106 off the SW corner. Comment
  UCD161034  Epipactis gigantea Craig Thomsen 2006-6-30 2611 Yolo Camp Haswell. West side of Cache Creek. 144 Comment
  RSA0037240  Equisetum Keith E. Hoffmaster 1941-3-15 s.n. Yolo Sacramento river levee. Comment
  UCD164520  Equisetum arvense Craig D. Thomsen 2006-8-16 2707 Yolo Camp Haswell County Park, Pocket Gulch near entry. 137 Comment
  UCD65700  Eragrostis Beecher Crampton 1955-8-22 3135 Yolo Univ. of Calif. - Davis Campus, Agronomy Experimental plots. Comment
  RSA622136  Eragrostis cilianensis Michael W. Hair 1990-8-12 s.n. Yolo Davis, University of California, experimental plot A-12, west of State Highway 113 Comment
  UCD62940  Eragrostis cilianensis Beecher Crampton 1961-8-29 5972 Yolo 1.5 miles south of Woodland, along County Road 99. Comment
  UCD62941  Eragrostis cilianensis Beecher Crampton 1968-9-6 8339 Yolo 3 miles west of Winters, State Hwy. 128. Comment
  UCD62945  Eragrostis cilianensis K. Esau 1941-6-28 Yolo Truck Crops Fields, Davis. Comment
  CAS-BOT-BC213550  Eragrostis curvula P. B. Kennedy 1915-1-1 s.n. Yolo Davis Comment
  HSC9764  Eragrostis curvula L. S. Rose 1967-6-11 67101 Yolo 2 mi. NW of Woodland Comment
  UCD62987  Eragrostis curvula Beecher Crampton 1974-5-7 9049 Yolo 1 mile east of Winters. Along on - ramp Interstate Hwy. 5 north to Redding. Comment
  UCD63097  Eragrostis curvula Beecher Crampton 1961-10-25 6038 Yolo 2.5 miles south of Woodland, along County Road 98. Comment
  CDA31760  Eragrostis hypnoides C. Hardy 5 Oct [year missing] Yolo Woodland 0 Comment
  UCD63209  Eragrostis hypnoides R. Tofsrud 1942-11-1 163 Yolo Near Davis. Comment
  UCD36478  Eragrostis mexicana subsp. virescens Beecher Crampton 1953-10-9 1665 Yolo Yolo County, city of Davis, University of California campus. Comment
  UCD37511  Eragrostis mexicana subsp. virescens Beecher Crampton 1961-3-20 5841 Yolo Yolo County, city of Davis, University of California Botany Greenhouse area. Comment
  UCD63813  Eragrostis mexicana subsp. virescens Beecher Crampton 1957-2-7 3896 Yolo Southside of a greenhouse, University of California, Davis Campus. Comment
  UCD64025  Eragrostis mexicana subsp. virescens A. A. Beetle 1942-10-1 1897 Yolo Davis. Comment
  UCR119115  Eragrostis orcuttiana Beecher Crampton 1961-11-15 6079 Yolo Sacramento Valley, City of Davis, University of California campus. 15 Comment
  CDA20761  Eragrostis pectinacea G. F. Hrusa, Charles & Emma Dogwin 2006-10-13 16935 Yolo Sacramento Delta; Annual growing out of eroded sandy bank of Sacramento River, +/- 1 mi. upstream of Hood on W side of river at boat launching site. 7 Comment
  UCD64464  Eragrostis pectinacea var. pectinacea J. M Tucker 1981-7-22 4460 Yolo University of California, Davis, campus, southeast corner of Wellman Hall. Comment
  UCD37724  Eragrostis pilosa Beecher Crampton 1961-8-29 5971 Yolo 1.5 miles south of Woodland, along County Road 99. Comment
  UCD37754  Eragrostis pilosa Beecher Crampton 1961-10-25 6033 Yolo 1.5 miles southwest of Woodland, along County Road 98. 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
  UCR246496  Eragrostis pilosa Beecher Crampton 1953-10-16 1701 Yolo Sacramento Valley, 4 mi east of city of Davis, along US Hwy 40 Comment
  SEINET241284 Image available Eragrostis polytricha Beecher Crampton 1954-6-29 T.O. 1764 Yolo CULTIVATED; UC Davis agronomy experimental area, plant introduction nursery. Comment
  SEINET242003  Eragrostis polytricha Beecher Crampton 1954-6-29 T.O. 1764 Yolo UC Davis agronomy experimental area, plant introduction nursery Comment
  UCD65679  Eremopyrum triticeum Beecher Crampton 1963-4-29 Yolo UC Davis Campus, Agronomy Experimental Area. Row G 11-13. 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
  UCD159454  Erigeron canadensis D. S. Park 2010-8-5 209 -1 Yolo North Davis. Along W Covell Blvd. Roadside, disturbed. Outskirts of agricultural field. Growing in ditch. 17 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
  UCD14586  Eriochloa Greg Elmore 1985-8-12 s.n. Yolo Yolo Co.; Road 101 between Roads 14 and 15, approximately 5 miles north of the town of Woodland; Comment
  SBBG116112  Eriochloa contracta B. Crampton 1969-10-30 8529 Yolo ca. 4 mi W of Davis at jct of Rds 31 and 97 Comment
  UCD36782  Eriochloa contracta Beecher Crampton 1955-9-6 3148 Yolo 5 miles northwest of city of Davis, along County Road 29. Comment
  UCD65723  Eriochloa contracta Beecher Crampton 1962-10-30 6708 Yolo 2 miles north Davis. Comment
  UCD65727  Eriochloa contracta Beecher Crampton 1969-10-30 8529 Yolo 4 miles west of Davis at jct. of County Roads 31 and 97. Comment
  UC75287  Eriodictyon californicum C. F. Baker 1903-5-7 2930 Yolo Rumsey Comment
  UCD14642  Eriodictyon californicum Deanna Lynn Pfleger 1989-6-7 9 Yolo California, Yolo Co.; Stebbins Reserve; 97 Comment
  UCD15599  Eriodictyon californicum Lisa Montany 1985-5-4 14 Yolo Old Putah Creek Rd., 1/2 mile east of Hwy 505. 30 Comment
  UCD168491  Eriodictyon californicum Ellen Dean; C. Thomsen and M. Hoshovsky 2017-3-29 9281 Yolo Audubon Bobcat Ranch, west side of ranch, north of Hwy 128, near western property boundary on east-facing slope above Bray Canyon. Area has burned three times in the past three years. 175 Comment
  CAS-BOT-BC242584  Eriogonum dasyanthemum Rowena Beans 1913-10-9 s.n. Yolo Guinda, Capay Valley 106 Comment
  JEPS57026  Eriogonum dasyanthemum Miss Rowena Beans 1913-10-9 Yolo Guinda Comment
  SD22310  Eriogonum dasyanthemum Rowena Beans 1913-10-9 Yolo Guinda Comment
  SEINET3000771  Eriogonum dasyanthemum Rivina Beans 1913-10-9 s.n. Yolo Guinda Comment
  UCD81048  Eriogonum nudum Agnieszka Zalicka; with PLB 102 class 2009-4-26 7 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. In a side canyon on the east side of Bray canyon with a tributary of Bray Creek. 147 Comment
  UC1229890  Eriogonum nudum var. pubiflorum Jerry Powell 1962-8-16 305 Yolo ca. 4 mi w Winters (just s of Putah Creek) Comment
  UC14090  Eriogonum wrightii var. trachygonum W. L. Jepson 1887-9-17 Yolo near Winters Comment
  JEPS34647  Eriophyllum lanatum var. achilleoides W. L. Jepson 1920-5-23 8958 Yolo near Hershey (Buckeye Creek, w Yolo Co.); Buckeye Creek Comment
  POM51572  Eriophyllum lanatum var. achilleoides Roxana Stinchfield 1916-6-25 316 Yolo Buckeye Creek, near mouth. Comment
  POM53932  Eriophyllum lanatum var. achilleoides C. F. Baker 1903-5-7 2934 Yolo Rumsey. Comment
  UC638702  Eriophyllum lanatum var. achilleoides Ethel Crum 1938-5-7 2000 Yolo n-facing slope above creek (Cache Creek canyon, 4 mi n of Rumsey); Immer North Coast Range <sic>, Cache Creek canyon 152 Comment
  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
  CAS-BOT-BC301395  Eriophyllum lanatum var. grandiflorum Roxana S. Ferris 1917-4-20 714 Yolo Along Buckeye Creek 3 miles west of railroad Comment
  UCD19448  Erodium botrys J. Shepard 2000-2-18 40 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
  UCD20809  Erodium botrys N. Nicola; C. Kremen 2001-3-16 025 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. 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
  UCD103025  Erodium botrys B. Crampton 1953-4-27 1136 Yolo Along railroad, 1 mile north of Winters. Comment
  UCD103121  Erodium brachycarpum Beecher Crampton 1960-4-26 5487 Yolo Davis, along the railroad. 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
  UCD62868  Erodium cicutarium Tavis Forrester; Plant Biology 102 students 2008-4-6 6 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. 109 Comment
  UCR237639  Erodium cicutarium George K. Helmkamp, E. A. Helmkamp 2012-3-9 18614 B 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
  UCD82324  Erodium cicutarium Robin McMaster 1973-4-15 312 Yolo 3 mi NW Rumsey on Hwy 16. 152 Comment
  UCD21206  Erodium moschatum J. Shepard 2000-3-5 64 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. North of parking lot in archery ranges. 12 Comment
  UCD80913  Erodium moschatum Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5317 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
  UCR237638  Erodium moschatum George K. Helmkamp, E. A. Helmkamp 2012-3-9 18614 A Yolo Sacramento Valley, County Road 16, 2.1 miles east of its junction with County Road 102; at the area where the road turns sharply north, c. 4 miles NE of Woodland 17 Comment
  RSA0045322  Erodium moschatum Lois Weston 1942-4-7 1122 Yolo Univ. campus, Davis. Comment
  UCD103263  Erodium moschatum P. B. Kennedy 1929-4-23 K- 1391 Yolo UC Campus, Berkeley. Comment
  UCD55509  Eryngium J. Shepard; E. Dean, B. Rice, P. and R. Unger, B. Salvia 2004-3-28 655 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east .4 mi. along unpaved entrance road, then .2 mi. south. 12 Comment
  UC874909  Eryngium aristulatum var. aristulatum John Thomas Howell 1934-6-17 12248 Yolo 5 mi. s.w. Woodland Comment
  UCD35420  Eryngium aristulatum var. aristulatum Beecher Crampton 1956-7-13 3712 Yolo Yolo bypass. Comment
  UCD80861  Eryngium jepsonii Robert E. Preston 2007-4-20 2434 Yolo 7.6 mi S of Davis, on Tule Ranch. 12 Comment
  UCD23185  Eryngium oblanceolatum A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCD54557  Eryngium oblanceolatum J. Shepard 1999-8-10 15 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. 12 Comment
  UCD77687  Eryngium oblanceolatum Robert E. Preston 2000-8-6 1428 Yolo 4 mi se of Davis, at Yolo County Grasslands Park, 8 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
  UCD13113  Erysimum capitatum var. capitatum Rick A. Harris 1974-4-16 15 Yolo Yolo CO., 2.6 mi N. of Rumsey on Calif. 16, west side of road on slope above Cache Creek. Elevation 700'. 213 Comment
  POM143102  Erysimum capitatum var. capitatum C. F. Baker 1903-5-8 2893 Yolo Cache Creek cannon [Canyon] Comment
  UC917112  Eschscholzia caespitosa D. C. Finfrock 1950-3-26 8 Yolo Putah Canyon Comment
  UCD160548  Eschscholzia caespitosa Ellen Dean; Craig Thomsen 2015-3-21 8602 Yolo Audubon Bobcat Ranch. Western part of ranch, just north of Hwy 128 and N of Putah Creek. Area E of Bray Canyon at base of large escarpment labeled 'spring' on topo maps. Burned in 2014. 234 Comment
  UCD94052  Eschscholzia caespitosa Shannon M. Still 2006-3-23 58 Yolo California. Yolo County: CA-128 on steep slope on northern side of road. 60 Comment
  UCD168996  Eschscholzia californica Ellen Dean; C. Thomsen and M. Hoshovsky 2017-3-29 9299 Yolo Audubon Bobcat Ranch. Along Hwy 128, north of highway near western boundary of property. Area has burned three times in the last three years. 63 Comment
  UCD19449  Eschscholzia californica J. Shepard 2000-2-19 41 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. 12 Comment
  UCD95278  Eschscholzia californica Curtis Clark 1975-4-28 488 Yolo State Highway 128, 1 mile west of junction with Railroad Avenue in Winters. Terrace of Dry Creek. Comment
  UCD95279  Eschscholzia californica Curtis Clark 1975-4-28 489 Yolo State Highway 128, 5.6 miles west of Winters. Comment
  UCD94128  Eschscholzia palmeri Shannon M. Still 2007-8-1 182 Yolo California. Yolo County: UC Davis campus. Comment
  UCD18304  Euonymus japonica Marcel Rejmanek 2001-6-11 s.n. Yolo city of Davis, downtown, 2nd and E Sts. Comment
  UCD142380  Euphorbia crenulata H. B. Nidever 1951-5-26 38 Yolo Cache Creek Canyon, 2 miles N of Rumsey. Comment
  UCD84640  Euphorbia helioscopia D. L. Koutnik 1982-6-3 s.n. Yolo UC Davis Range greenhouses. Comment
  UCD142636  Euphorbia nutans June McCaskill 1967-6-11 727 Yolo Davis, just north of 38 College Park. 15 Comment
  CDA29467  Euphorbia oblongata Robin Breckenridge 2009-5-26 s.n. Yolo In the vicinity of Madison and Winters. Along CR 89, between CR 25 and CR 20. 0 Comment
  CDA4866  Euphorbia oblongata M. Mahoney 1965-5-2 22 Yolo On K Street between 3rd and 4th Streets, Davis. Comment
  UCD142657  Euphorbia ocellata J. D. Skoss 1948-6-6 29 Yolo Putah Canyon 8 miles below Yolo-Napa county line. Comment
  SEINET12515074 Image available Euphorbia peplus Jo Nixon 1951-5-3 Yolo Weed on campus Comment
  UCD142471  Euphorbia peplus T. Tomich 1949-5-24 52 Yolo Davis. Comment
  UCD142824  Euphorbia serpillifolia M. Phillips 1929-10-1 2073 Yolo Putah Canyon. Comment
  UCD161052  Euphorbia serpillifolia Craig Thomsen 2006-6-30 2614 Yolo Camp Haswell. West side of Cache Creek. 144 Comment
  UCD81849  Euphorbia serpillifolia Ellen Dean; M. Showers, G. Harrington 2009-6-3 5768 Yolo Woodland Regional Park. City of Woodland property on the E side of County Road 102, just S of County Road 25. 9 Comment
  UCD146835  Euphorbia spathulata Carol W. Witham 2003-4-11 954 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD82337  Euphorbia spathulata Robin McMaster 1973-4-15 323 Yolo 100 yd from Hwy 16 junction with 20. Comment
  CAS-BOT-BC310662  Euthamia occidentalis Clarence R. Quick 1971-8-26 71 -60 Yolo Pylman-Quick garden, Merritt Island, near Clarksburg Comment
  UC1562578  Euthamia occidentalis Barbara Ertter 1988-10-21 7986 Yolo 1.5 mi n Madison (Cache Creek at Rd 89 crossing just w of I-505, e of gravel pits, ca 10 air mi w of Woodland, Sacramento Valley); Sacramento Valley, Cache Creek 36 Comment
  UCD141699  Euthamia occidentalis Ellen Dean; M. Taylor 2013-6-21 7811 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
  UCD37758  Euthamia occidentalis Beecher Crampton 1961-10-25 6040 Yolo 4 miles NW of Bryte, Yolo Bypass, S of Todhunter's Lake. Comment
  UC2014134  Extriplex joaquinana Erica Smith 2007-7-12 60 Yolo Yolo County: City of Woodland Alkali Grassland Preserve managed by Center for Natural Land Management at the intersection of County Roads 103 and 25. South side of County Road 25. Throughout alkali grassland. In uplands near wet areas growing with Distichlis. UTM: 10S, 611779, 4278233. Comment
  UCR119168  Festuca microstachys Beecher Crampton 1954-4-15 1771 Yolo Sacramento Valley, 2 miles west of city of Winters. 46 Comment
  SD180624  Festuca microstachys Beecher Crampton 1954-4-15 1775 Yolo 2 miles west of city of Winters Comment
  UCR237591  Festuca myuros var. hirsuta George K. Helmkamp, E. A. Helmkamp 2012-3-9 18603 Yolo Sacramento Valley, East Main Street (Co. Rd. 22), Woodland (parallel to I-5), 0.4 mile west of the Sacramento River 7 Comment
  UCR119000  Festuca myuros var. myuros Beecher Crampton 1965-4-27 7298 b Yolo Sacramento Valley, 2 miles northwest of Dunnigan; county road between forks of Buckeye Creek. 14.5 Miles north of Copay 30 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
  UCD161192  Ficus carica Jean Shepard 2013-6-14 874 Yolo City of Davis. Myrtle Pl. Comment
  UCD39880  Ficus pumila Beecher Crampton 1973-10-19 s.n. Yolo UC Davis campus; main library. Comment
  UCR119001  Filago gallica Beecher Crampton 1965-4-27 7298 a Yolo Sacramento Valley, 2 miles northwest of Dunnigan; county road between forks of Buckeye Creek. 14.5 Miles north of Copay 30 Comment
  CDA16116  Foeniculum vulgare G. F. Hrusa 1999-8-28 15270 Yolo Sacramento Valley; Tule canal. Levee Rd., Rd. 107, +/- 1/4 mi N of I-5. Sheet 1 of 2 0 Comment
  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
  UCD81389  Foeniculum vulgare M. Wiesendanger 1927-9-1 809 Yolo Davis. University Farm. 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
  UCD34258  Frankenia salina Beecher Crampton 1978-6-27 9614 Yolo Yolo County, 4 miles S.E. of Woodland, T9N R2E sect. 11 N.E. 1/4. Comment
  UCD38280  Frankenia salina B. Crampton 1952-10-31 897 Yolo Alkaline soil along railroad property. Comment
  UCD73033  Frankenia salina Ellen Dean; Erika Smith and Casey Woodall 2008-5-12 4914 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
  UCD35565  Fraxinus dipetala Beecher Crampton 1958-4-21 4715 Yolo 2.7 miles NW of Rumsey. Along State Hwy 16 above Cache Creek. Comment
  UCD56759  Fraxinus dipetala Ellen Dean; M. Bibbo 2007-3-23 3451 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
  UCD73093  Fraxinus dipetala Ellen Dean; Plant Biology 102 students 2008-4-6 4716 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
  CDA39692  Fraxinus dipetala B. Cowley Apr 1949 s.n. Yolo Cache Creek, Capay Valley. 0 Comment
  UCD15569  Fremontodendron californicum D. J. Doo 1995-5-10 s.n. Yolo Along Hwy 113 and Covell Rd. 15 Comment
  UC672100  Fritillaria pluriflora Guy Smith 1932-4-1 Yolo hills w of Winters Comment
  UCD168413  Galium Ellen Dean; M. Hoshovsky 2017-4-18 9325 Yolo Audubon Bobcat Ranch. Lands to the north of Hwy 128. Eastern portion of ranch northwest of ranch headquarters, south of Rattlesnake Rock. Dark narrow canyon below tuff formation. West side of ridge below Rattlesnake Rock. Area has burned three times in the past three years. 178 Comment
  CAS-BOT-BC124037  Galium ambiguum Townsend Stith Brandegee 1892-9-20 s.n. Yolo West end of Yolo Causeway, between Sacramento and Davis, 6 Comment
  UCD162343  Galium andrewsii Craig Thomsen 2006-6-13 2665 Yolo Along ridgeline trail (accessed at turn-out across the road from Camp Haswell), approximately 0.5 mile south of Hwy 16. Yolo County park adjacent to Cache Creek. Rumsey Canyon. 457 Comment
  UCD121703  Galium aparine G. F. Hrusa 1998-3-21 14157 Yolo Hwy 16 along Cache Creek at the rafting put-in. Nr. Lake County line. North Coast Biodiversity Arena. 225 Comment
  UCD82328  Galium aparine Robin McMaster 1973-4-15 318 Yolo 7 mi NW Rumsey on Hwy 16. Comment
  JEPS52926  Galium californicum subsp. flaccidum G. L. Stebbins Jr. 1965-10-28 Yolo Davis Comment
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Jan 17 2007
  UCD160164  Galium murale Aaron Goodman 2015-4-12 5 b Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, near ranch house headquarters . 99 Comment
  UCD121839  Galium nuttallii J. D. Skoss 1948-6-6 31 Yolo Putah Canyon 10 miles below Yolo-Napa county line. 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
  JEPS52739  Galium porrigens var. tenue Lauramay T. Dempster and G. L. Stebbins 1965-5-23 4107 A Yolo along Hwy 16 1 mi se Colusa Co. line; Cache Creek 182 Comment
  UCD56691  Gastridium phleoides Ellen Dean 2006-10-27 3300 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. 640 Comment
  UCD36103  Gastridium phleoides Beecher Crampton 1952-10-27 887 Yolo 3 miles west of city of Winters, on road to Monticello. Comment
  SEINET11052817 Image available Genista canariensis June McCaskill 1954-5-12 301 Yolo West side of construction and Repair Building, University of California, Davis Comment
  RSA696388  Geranium dissectum Keith E. Hoffmaster 1939-4-6 909 Yolo Putah Canyon. Comment
  RSA696389  Geranium dissectum Keith E. Hoffmaster 1939-4-26 945 Yolo Putah Canyon. Comment
  RSA789881  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2012-4-17 18776 Yolo Along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland 65 Comment
  UCD103329  Geranium dissectum Eleftherios Dariotis; A. Norton, A. Verenkoff 2002-4-27 17 Yolo W of the town of Davis. University of California Department of Wildlife, Fish, and Conservation Biology Ecosystem Reserve, N side of Putah Creek, just W of the UC Davis Landfill on Pedrick Rd., display pond area of the Reserve, 8 m E from pond. 22 Comment
  UCD80933  Geranium dissectum Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5336 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
  UCR198125  Geranium dissectum S. Olmsted, M. Atamian, R. Brush, M. Furuyama, C. Owens 2000-4-29 02 Yolo UC McLaughlin Reserve, 1 mi north of Knoxville as the crow flies, 300 m east of an old dirt road tht intersects the Yolo/Napa Co line 640 Comment
  UCR235429  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2012-4-17 18776 Yolo Sacramento Valley, along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland 65 Comment
  UCD103409  Geranium molle Joseph M. DiTomaso 1976-4-9 408 Yolo Below Monticello Dam at Lake Berryessa, above Putah Creek. Comment
  UCD62836  Geranium molle Elaine Chow; Plant Biology 102 students 2008-4-6 2 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. 109 Comment
  UCR196285  Gilia capitata subsp. staminea Christopher M. Bronny 2008-4-4 s.n. Yolo Central Valley, West Sacramento, land-side toe of levee on South River Road. River Mile 57.2 7 Comment
  UCD160552  Gilia clivorum Ellen Dean; Craig Thomsen 2015-3-21 8604 b 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
  UCD168417  Gilia clivorum Ellen Dean; M. Hoshovsky 2017-4-18 9326 Yolo Audubon Bobcat Ranch. Lands to the north of Hwy 128. Eastern portion of ranch northwest of ranch headquarters, top of small canyon south of Rattlesnake Rock. Area has burned three times in the past three years. 254 Comment
  UCD117959  Gilia tricolor R. H. Miller 1949-3-27 7 Yolo North hillside at east entrance to Putah Canyon. Comment
  RSA0054883  Gilia tricolor Keith E. Hoffmaster 1946-3-29 1213 Yolo Putah can. Comment
  UCD39506  Gilia tricolor Beecher Crampton 1982-3-8 9816 Yolo California. Yolo County, 5 miles west of Winters. Comment
  JEPS84568  Gilia tricolor subsp. tricolor John W. Willoughby 1977-3-27 1964 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
  SEINET11056142 Image available Gleditsia triacanthos June McCaskill 1957-9-3 541 Yolo In lawn on north side of Hughes Hall, University of California, Davis Comment
  SEINET240094 Image available Glyceria declinata Beecher Crampton 1954-4-15 T.O. 2243 Yolo CULTIVATED; UC Davis agronomy experimental area, plant introduction nursery. Comment
  UCD41117  Glycyrrhiza lepidota N. Nicola 2002-5-13 216 Yolo Eastern foothills of inner north coast range, Berryessa Valley. About 1.2 miles as the crow flies east of Monticello Dam, off of Hwy 128, north side of creek. Comment
  CDA27060  Glycyrrhiza lepidota G. D. Barbe 1985-9-12 4255 Yolo East side of Sacramento Deep Water Channel, west of Jefferson Boulevard. 0 Comment
  UCD105770  Glycyrrhiza lepidota Beecher Crampton 1953-10-29 1729 Yolo Along Putah Creek, 5 miles west of Winters. Comment
  UCD105771  Glycyrrhiza lepidota Beecher Crampton 1974-6-18 9055 Yolo 6 miles west of Winters, Putah Creek. Comment
  UCD33864  Glycyrrhiza lepidota Beecher Crampton 1974-6-18 9055 Yolo Yolo County, ca. 6 miles west of Winters. Comment
  UCD105813  Glycyrrhiza lepidota var. glutinosa P. B. Kennedy 23 Jun 192? s.n. Yolo Clarksburg, Sacramento River. Holland Land Co. Comment
  UCD59379  Grindelia camporum Ellen Dean; Kate Mawdsley 2007-6-8 3854 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, along main loop road. 616 Comment
  CAS-BOT-BC314673  Grindelia hirsutula John Thomas Howell 1964-5-10 40698 Yolo Along railroad near Winters 39 Comment
  CAS-BOT-BC314679  Grindelia hirsutula A. A. Heller; H. E. Brown 1902-5-21 5578 Yolo Near Madison Comment
  CAS-BOT-BC314674  Grindelia hirsutula W. J. Williamson 1919-5-30 180 Yolo Near French Flat 426 Comment
  UCD81056  Hainardia cylindrica Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5592 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
  UCD22762  Hebe salicifolia Collector unknown 1988-2-8 s.n. Yolo Environmental Horticulture building. Comment
  CDA9376  Helenium puberulum G. F. Hrusa, J. Wheeler 2011-8-19 18443 Yolo Sacramento River Delta; Elk Slough, west side Sacramento River, across from Courtland. 10 Comment
  UCD132744  Helenium puberulum A. S. Crafts 1926-7-8 455 Yolo University Farm Campus, Davis. Comment
  CAS-BOT-BC305492  Helianthus annuus T. C. Fuller 1965-7-23 13851 Yolo At base of n. levee for 0.1 mi. in Sacramento Bypass, 0.1 mi. w. of weir, 1 mi. n.w. of Bryte Comment
  CDA6195  Helianthus annuus T. C. Fuller 1958-7-18 889 -58 Yolo Railroad, Woodland. 0 Comment
  JEPS34861  Helianthus bolanderi W. L. Jepson 1929-10-1 15346 Yolo Zamora 25 Comment
  UCD37278  Helianthus bolanderi Beecher Crampton 1958-9-29 5119 Yolo 7 miles west of city of Davis, just south of Moon Ranch. Comment
  UCD169600  Helianthus tuberosus Jan Tetreault; Gerald Solly 2017-11-3 s.n. Yolo City of Woodland, S side of Lincoln St. between College and Elm Sts. 21 Comment
  UCD41088  Heliotropium N. Nicola 2003-7-3 400 Yolo Sacramento Valley, Davis residence. Comment
  UCD119427  Heliotropium curassavicum var. oculatum P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co., Clarksburg -- Sacramento River. Comment
  HSC62901  Heliotropium curassavicum var. oculatum J. M. DiTomaso 1979-5-14 1011 Yolo Cache Creek Regional Park, 9.8 mi. N of Guinda on Hwy. 16 213 Comment
  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
  UCD119464  Heliotropium europaeum W. R. Russell 1965-5-19 s.n. Yolo In garden at Russell residence, Sharon Avenue, Binning subdivision, ca. 2 miles north of Davis. Comment
  UCD73727  Hemizonia congesta subsp. luzulifolia Ayzik Solomeshch 2004-5-23 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  UCD133005  Hemizonia congesta subsp. luzulifolia Carl Schoner 1977-5-13 s.n. Yolo Smyth Ranch, end of County Road 32A and south of Dry Creek, ca. 5 miles northeast of Winters. Comment
  UCD35451  Hemizonia congesta subsp. luzulifolia Beecher Crampton 1956-9-28 3874 Yolo 4 miles west of Davis. Comment
  CDA32974  Hemizonia pungens Dave Minnesang & Phyllis Hiatt 1979-6-7 Yolo South of Davis on Road 106; Glides Tule Ranch. 0 Comment
  UCD38803  Herniaria hirsuta var. cinerea Beecher Crampton 1958-5-26 4832 Yolo Yolo County; Davis. Comment
  UCD23205  Hesperevax caulescens A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCD161074  Hesperocyparis macnabiana G. Ledyard Stebbins 1954-2-1 s.n. Yolo Cedar Basin. No county given in original location information. (Note from label maker: This could be a Cedar Basin in a different county). Comment
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Apr 19 2017
  JEPS122880  Hesperolinon disjunctum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 627 Yolo North side of Rayhouse Rd. along north shore Davis Reservoir on McLaughlin Reserve (just east of intersection of Road 40 and Road 8052) Comment
  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
  UCD20889  Heteromeles arbutifolia N. Nicola 2001-5-30 117 Yolo Eastern foothills of inner north coast range, Capay Valley, on roadside of Hwy. 16, about 1.5 mi. NW of Rumsey. Comment
  UCR190480  Heteromeles arbutifolia George K. Helmkamp, E. A. Helmkamp 2007-9-17 12974 Yolo West edge of Sacramento Valley, Capay Valley, Brick Chimney Canyon; along County Road-78A, 2.4 miles southwest of its junction with CA-16 and about 3 miles west of Capay 113 Comment
  UCR206543  Heteromeles arbutifolia George K. Helmkamp, E. A. Helmkamp 2009-3-17 14406 Yolo Inner North Coast Ranges Foothills, along CA-20 and Cache Creek, 4.3 miles southeast of the Colusa County line 159 Comment
  UCD142960  Heterotheca oregona var. oregona Ellen Dean; N. Gonzales 2013-8-8 7933 Yolo Downstream of Monticello Dam along Hwy 128, north side of Putah Creek in Putah Creek Vegetation Survey Plot INT 2B. 48 Comment
  UCR119026  Heterotheca oregona var. oregona Beecher Crampton 1954-9-9 2267 Yolo Sacramento Valley, 2 miles west of Winters 46 Comment
  JEPS2481  Heterotheca oregona var. scaberrima W. L. Jepson 1887-9-17 14677 Yolo near Winters; Putah Creek Comment
  CDA30912  Hirschfeldia incana M. Beyers 2010-5-12 440 Yolo In the vicinity of Esparto, along the east side of County Road 87, where it bridges Cache Creek on its north. 55 Comment
  UCD115130  Hirschfeldia incana P. B. Kennedy Date unknown s.n. Yolo Univ. Farm - Davis. Comment
  UCD106237  Hoita macrostachya Jean Shepard 2011-8-20 854 Yolo NE of Woodland, from intersection of County Roads 102 and 16, E on Rd. 16 to T. Right on Rd. 16A around Gray's Bend about 2 mi to private dirt road on left. Site is just E of Sutter County line. Comment
  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
  UCD164516  Holocarpha virgata Craig D. Thomsen 2006-8-16 2703 Yolo Camp Haswell County Park. 304 Comment
  UCD85405  Hordeum brachyantherum Fleur Ng'weno 1989-5-5 DQ 37 Yolo D-Q University County Road 31, 9 miles west of Davis city center. 30 Comment
  UCR152272  Hordeum brachyantherum Beecher Crampton 1953-4-11 1072 Yolo 6 mi SE of Woodland, near ditch supplying rice field Comment
  UCD85575  Hordeum brachyantherum subsp. californicum Collector Unknown 1925-5-11 2082 Yolo Davis. Comment
  UCD21388  Hordeum depressum J. Shepard 2001-4-13 432 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east 0.5 miles along unpaved entrance road. Then, south 400 yards, located west of south (large) vernal pool just west of Department of Defense fence. 12 Comment
  UCD73135  Hordeum depressum Ayzik Solomeshch 2003-5-30 s.n. Yolo Department of Fish and Game Glide Tule Ranch, about 8 mi. southeast of Davis. 6 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
  UCR220402  Hordeum depressum Jean V. Shepard 2001-4-13 432 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, 3.5mi south on Mace Blvd. (Co. Road 104) from intersection of Hwy I-80 and Mace Blvd., 1 mi east along unpaved entrance road. C. 400 yards south of the large vernal pool west of Dept. of Defense fence 12 Comment
  CDA2197  Hordeum marinum subsp. gussoneanum T. C. Fuller 1958-5-2 3959 Yolo Niessen property, 2 miles southwest of Esparto. 0 Comment
  UCD34860  Hordeum marinum subsp. gussoneanum Beecher Crampton 1964-4-7 6919 Yolo 2 miles north of Davis, City Dump. Comment
  UCD37907  Hordeum marinum subsp. gussoneanum Beecher Crampton 1962-4-28 6345 Yolo 2 miles northeast of city of Davis, near city dump. Comment
  UCD59383  Hordeum marinum subsp. gussoneanum Ellen Dean; Kate Mawdsley 2007-6-8 3858 Yolo Tuleyome Ireland Ranch, Inner Coast Ranges, northwest of the city of Winters, between Salt Creek and Enos Creek, just N of Wild Cow Mtn. Central part of ranch below main loop road. Near dried stock pond and the small drainage that feeds it. 584 Comment
  UCD85900  Hordeum marinum subsp. gussoneanum R. Tofsrud 1949-4-1 s.n. Yolo Near Davis dump. Comment
  UCD85905  Hordeum marinum subsp. gussoneanum M. Wiesendanger 1927-4-29 586 Yolo Davis. Comment
  UCD35379  Hordeum murinum subsp. glaucum Beecher Crampton 1956-3-19 3230 Yolo Davis. 5th St. between C and D St. Comment
  UCD86243  Hordeum murinum subsp. glaucum R. Koch 1996-6-1 17 Yolo Davis. Along bike path in West Davis. 15 Comment
  UCR151575  Hordeum murinum subsp. glaucum Beecher Crampton 1962-3-30 6096 Yolo Sacramento Valley, City of Davis 15 Comment
  UCD35376  Hordeum murinum subsp. leporinum Beecher Crampton 1956-3-30 3237 Yolo Davis. Comment
  UCD85914  Hordeum murinum subsp. leporinum A. A. Beetle 1944-5-17 1991 Yolo 3 miles W of Sacramento. Comment
  UCD86127  Hordeum murinum subsp. leporinum Cay Collette 1975-4-12 4 Yolo Knight's Landing. Along levee. Approx. 100' from Sacrameto River. 15 Comment
  UCD86136  Hordeum murinum subsp. leporinum Beecher Crampton 1953-5-26 1343 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
  UCD86472  Hordeum murinum subsp. leporinum R. Tofsrud 1942-5-1 165 Yolo Davis. Putah Creek. Comment
  UCR119174  Hordeum murinum subsp. leporinum Beecher Crampton 1962-3-30 6094 Yolo Sacramento Valley, City of Davis 15 Comment
  UCD86533  Hordeum vulgare Beecher Crampton 1955-12-13 3213 Yolo 1/4 mile S of Davis. Along U.S. Hwy. 40, junction of Davis Road. Edge of a Milo field. Comment
  UCD160541  Hornungia procumbens Ellen Dean; Craig Thomsen 2015-3-21 8595 Yolo Audubon Bobcat Ranch. Western part of ranch, just north of Hwy 128 and N of Putah Creek. Area E of Bray Canyon at base of large escarpment labeled 'spring' on topo maps. Burned in 2014. 220 Comment
  UCD94129  Hunnemannia hintoniorum Shannon M. Still 2007-8-1 185 Yolo California. Yolo County: UC Davis campus. Comment
  UCD110321  Hypericum patulum R. Koch 1996-6-5 22 Yolo city of Davis. Along roadside on Russell Blvd. in North Davis. Comment
  UCD144284  Hypochaeris glabra Carol W. Witham 2003-4-19 960 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD62847  Hypochaeris glabra Elaine Chow; Plant Biology 102 students 2008-4-6 6 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. 109 Comment
  CAS-BOT-BC508355  Ipheion June McCaskill; W. A. Harvey; Katherine Onaga 1965-3-31 696 Yolo 316 C Street, Davis Comment
  UCD126554  Ipomoea hederacea P. B. Kennedy 1924-9-22 s.n. Yolo University Farm, Davis. Comment
  RSA158054  Ipomoea triloba June McCaskill 1959-3-24 589 Yolo Botany Department greenhouse, University of California, David. Comment
  UCD110267  Juglans hindsii S. C. Hanson 1949-5-18 3 Yolo South of Highway 99, near Davis. Comment
  UCD142940  Juglans hindsii Ellen Dean; T. Starbuck 2013-10-5 8008 Yolo UC Davis Russell Ranch Riparian Reserve. South of Russell Road, and on north side of Putah Creek. Putah Creek Vegetation Survey Plot RRR #3A. 30 Comment
  UCD18222  Juglans regia Mike Payne 2001-5-22 s.n. Yolo City of Davis, NE corner of Temple Dr. and Cork Pl. Comment
  UC1543158  Juncus balticus Charlotte G. Nast 1936-4-17 133 Yolo n of Davis (Woodland highway) Comment
  UCD141352  Juncus balticus subsp. ater M. Wiesendanger 1927-4-29 631 Yolo Madison. Comment
  CDA36930  Juncus bufonius CDFA Staff 1995-5-1 s.n. Yolo Rominger Prop., north of County Road 19, east of County Road 92C, west of County Road 94B. 0 Comment
  UCD80946  Juncus bufonius Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5349 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
  UCD20745  Juncus patens E. Dean; with M. Bibbo 2002-7-5 1150 Yolo McLaughlin UC Reserve. Clover Valley, W of main road that goes N-S through the valley, alongside of dried drainage, S of stock pond. 457 Comment
  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
  UCD59376  Juncus patens Ellen Dean; Kate Mawdsley 2007-6-8 3851 Yolo Tuleyome Ireland Ranch, Inner Coast Ranges, northwest of the city of Winters, between Salt Creek and Enos Creek, just N of Wild Cow Mtn. Central part of ranch, just W of main loop road. 609 Comment
  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
  SEINET11070501  Juniperus oxycedrus A. T. Leiser 1984-3-18 s.n. Yolo Clarksburg Community Church, Clarksburg. Comment
  SEINET8057807 Image available Juniperus virginiana June McCaskill 1955-8-4 389 Yolo In front of Davis High School, 23 Russell Boulevard, Davis Comment
  UCD70203  Keckiella breviflora var. glabrisepala D. Sanchez-Mata 1998-6-24 s.n. Yolo Rumsey. Cache Creek Ridge. Cache Creek Canyon Regional Park. Shrubland plant communities on basaltic rocky slopes and talus. 170 Comment
  CAS-BOT-BC237819  Keckiella lemmonii Roxana Stinchfield 1916-6-26 351 Yolo Road crossing Buckeye Cr. near County line warehouse Comment
  NY790326  Keckiella lemmonii R. J. Stinchfield 1916-6-26 351 Yolo Road crossing Buckeye Creek near County line warehouse Comment
  UCD41144  Keckiella lemmonii C. Holn 2002-1 237 Yolo Eastern foothills of inner north coast range, Capay Valley. Just north of Rumsey, Rd. 41, Lowrey Ranch. Comment
  JEPS24501  Kickxia elatine J. H. Thomas 1960-8-30 8870 Yolo about 5 mi s Winters (along highway to Vacaville) Comment
  UCD123884  Kickxia elatine Daryl Koutnik; John Sowell 1978-10-27 579 Yolo one mile south of Putah Creek, east of county road 106 and west of Yolo Causeway. 6 Comment
  UCD149374  Kickxia elatine Collector Unknown 1952-1 s.n. Yolo City of Esparto. 58 Comment
  RSA0054931  Kickxia spuria Keith E. Hoffmaster 1939-4-26 931 Yolo Putah can. Comment
  CAS-BOT-BC180846  Kochia scoparia June McCaskill; Katherine Onaga 1960-9-29 609 Yolo Beside railroad maintenance crew shack, behind Boy Scout Cabin at 1st Street and Richards Boulevard, Davis Comment
  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
  SEINET10846149  Lactuca sativa Stephanie Frischie 2000-10-14 Frischie 139 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET10911891  Lactuca sativa Stephanie Frischie 2000-10-14 Frischie 143 Yolo Davis Farmers' Market, Davis, CA. Comment
  UCD168436  Lactuca serriola Ellen Dean 2017-3-15 9258 Yolo Audubon Bobcat Ranch, lands north of Hwy 128, just east of Monticello Dam. Bray Canyon and vicinity on the western side of ranch. Ranch burned once each year in 2014, 2015, 2016. 2017 has been a high rainfall year. Lower reaches of Bray Canyon. 62 Comment
  SEINET12477351 Image available Lagenaria siceraria Unknown Yolo University of Davis; Grounds Building Nursery bed Comment
  UCD149348  Lamium amplexicaule W. M. Herms 1949-3-10 s.n. Yolo Putah Canyon. 60 Comment
  UCD81026  Lamium amplexicaule Ellen Dean; Gordon Harrington 2009-4-1 5369 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Near drainage basin. 9 Comment
  UCR237589  Lamium amplexicaule George K. Helmkamp, E. A. Helmkamp 2012-3-9 18616 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
  UCD125081  Lamium amplexicaule H. T. Hartmann 1942-4-5 s.n. Yolo University Orchard, Davis, CA. Comment
  UCD125089  Lamium amplexicaule P. B. Kaufman 1950-3-20 15 Yolo UC Davis campus, Davis. Comment
  UCD125100  Lamium amplexicaule R. Tofsrud Date unknown s.n. Yolo Yolo County. Comment
  UCD37782  Lamium amplexicaule Beecher Crampton 1962-3-13 6087 Yolo Davis, University of California campus, Agronomy plot east of warehouse. 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
  UCD14951  Lasthenia californica subsp. californica Steven E. Smith 1977-4-8 1 Yolo California, Yolo Co.; near a pool next to (100 meters east of) Road 105, 1/2 mile south of Road 38 and 4.3 miles north-east of Yolano; 15 Comment
  CAS-BOT-BC352765  Lasthenia fremontii L. R. Abrams 1928-5-8 12608 Yolo Between Woodland and Davis Comment
  UC657693  Lasthenia fremontii M. Wiesendanger 1927-4-29 590 Yolo Grain Field Davis Comment
  UCD133739  Lasthenia fremontii M. Wiesendanger 1927-4-29 590 Yolo Davis. Comment
  UCD144286  Lasthenia fremontii Carol W. Witham 2003-4-7 881 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD21295  Lasthenia fremontii J. Shepard 2000-5-8 235 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road almost to east boundary of park, and south along fenceline (ca. 200 yards). 12 Comment
  UCR220403  Lasthenia fremontii Jean V. Shepard 2001-5-6 442 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, 3.5mi south on Mace Blvd. (Co. Road 104) from intersection of Hwy I-80 and Mace Blvd., 1 mi east along unpaved entrance road. C. 400 yards south of the largest vernal pool straddling Dept. of Defense fence 12 Comment
  SEINET11447686 Image available Lasthenia fremontii B. Crampton 1996-4-22 10332 Yolo 3.5 m SE of Woodland, along Mavis-Henson (Field) road, just east of its jct. with county road 102 and just south of road 25 Comment
  UC90069  Lasthenia fremontii J. W. Blankinship 1893-5-6 Yolo Jules. Woodland Comment
  CAS-BOT-BC355509  Lasthenia glaberrima David D. Keck 1946-4-27 5538 Yolo West end of Yolo Causeway, between Sacramento and Davis, 6 Comment
  UCD132537  Lasthenia glabrata Beecher Crampton 1973-4-16 8921 Yolo Saxon SW 1. Comment
  UCD164889  Lasthenia glabrata Henry House 1995-5-3 1995- 6 Yolo About 2 km SES of the intersection of Delhi Road and Levee Road. 2 Comment
  UCD133764  Lasthenia glabrata Steven Slagle 1964-4-7 48 Yolo Yolo Bypass, 1 mile north of Causeway. 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
  UCD21037  Lasthenia glabrata subsp. glabrata Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-4-4 223 Yolo near the city of Davis. Along Road 38, approximately 1.2 miles S of its intersection with Road 105. Glide/Tule Ranch site, pool # GLI001. 2 Comment
  UCD80830  Lasthenia glabrata subsp. glabrata Ellen Dean 2009-3-22 5287 Yolo city of Woodland. Mavis Henson Field property on the east side of county road 102, just south of county road 25. Property owned by city of Woodland. NE corner of property, E of drainage pond. 9 Comment
  POM312516  Lasthenia glabrata subsp. glabrata Malcolm A. Nobs, S. Galen Smith 1951-4-2 1915 Yolo Along Hwy 40, between Yolo Causeway and Davis. Comment
  UC1363818  Lasthenia platycarpha Robert Ornduff 1958-4-19 4900 Yolo 3 mi n Davis (on road to Woodland (Alternate Hwy 40)) Comment
  HSC5157  Lasthenia platycarpha M. Dole 1963-4-9 23 Yolo one mi. E of Zamora on Road 15 Comment
  UCD133876  Lasthenia platycarpha K. Esau 1936-3-31 s.n. Yolo south of Woodland. Comment
  UCD19454  Lathyrus J. Shepard 2000-2-19 46 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
  CAS-BOT-BC213334  Lathyrus jepsonii subsp. californicus Roxana Stinchfield 1916-6-25 332 Yolo Buckeye Creek, Goodin Ranch Comment
  CAS-BOT-BC213335  Lathyrus jepsonii subsp. californicus C. R. Quick 1972-7-22 72 -17 Yolo On levee on east bank of Merritt Island at junction of Road 142. Comment
  CHSC116586  Lathyrus jepsonii var. californicus B. Castro; Tom Boullion 2010-5-25 1818 Yolo Sacramento Valley. Ca 6 air mi NW of Knight's Landing, ca 300 ft E of Hwy 45 opposite the 'Rough and Ready' powerhouse, on upper terrace within levee, overlooking a riprap-lined bend in the Sacramento River (River-mile 99.5). 5 Comment
  UCD106254  Lathyrus jepsonii var. californicus P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co. Clarksburg -- Sacramento River. Comment
  UCD96941  Lathyrus vestitus var. vestitus Ellen Dean; C. Loughran, A. Fuller 2011-5-8 7005 Yolo Yolo County. Audubon Bobcat Ranch. Lands to the north of Hwy 128, just E of Monticello Dam. Bray Canyon. About three quarters of the way up the canyon. Comment
  UCD20475  Laurus canariensis Pat Sullivan 1982-5-4 HN 076 Yolo California, Yolo County: Davis. University of California campus. Environmental Horticulture. Comment
  SEINET12323493  Lavandula dentata W. R. Russell 1954-1 s.n. Yolo Davis, University of California campus, along S side of Health Center Comment
  UCD133947  Layia chrysanthemoides P. B. Kennedy 1915-4-26 s.n. Yolo Davis. Comment
  UCD23364  Layia chrysanthemoides Steven E. Smith 1977-4-8 2 Yolo Yellow corolla, white on petal margins, plants erect, 20-30 cm in height, taprooted. Valley grassland (pasture) edge of dry vernal pool. Heavy clay soil, low soil moisture. Pool 100 meters east of Road 105, half mile south of Road 38, 4.3 miles northeast of Yolano. 15 Comment
  UCD37912  Layia fremontii Beecher Crampton 1962-5-1 6356 Yolo Saxon Station, 7 miles southeast of city of Davis. Comment
  SEINET5614223 Image available Layia platyglossa Unknown 1974-1 7 Yolo Yolo County, Davis north of Covell twards Woodland. In a grassy field near roadside, dry dirt. Flws. yellow with white tips and black centers. Comment
  UCD63082  Layia septentrionalis Ellen Dean 2008-4-9 4791 Yolo Tuleyome Ireland Ranch. Central part of Ranch adjacent to southern boundary in small canyon that is east of main canyon. 593 Comment
  SBBG116111  Leersia oryzoides B. Crampton 1969-10-21 8525 Yolo Putah Crk bed, SE of University airport Comment
  UC1254519  Leersia oryzoides Alan A. Beetle 1945-9-28 4033 Yolo Putah Creek, at Davis Putah Creek; Davis, Putah Creek Comment
  UCD36094  Leersia oryzoides Beecher Crampton 1952-10-12 862 Yolo Yolo County, city of Davis, along Putah Creek. Comment
  UCR119082  Leersia oryzoides Beecher Crampton 1952-10-12 862 Yolo Sacramento Valley, City of Davis, along Putah Creek. 15 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
  UCD115212  Lepidium acutidens K. Esau; M. Phillips 1929-4-11 1891 Yolo Davis. Comment
  CAS-BOT-BC88743  Lepidium appelianum M. P. Bellue 1932-8-10 s.n. Yolo Tiger Inn, West Sacramento. Comment
  UCD115260  Lepidium appelianum M. K. Bellue 1933-5-26 s.n. Yolo Tiger Inn. Comment
  UCD115261  Lepidium appelianum A. S. Crafts 1937-9-4 s.n. Yolo Davis. Comment
  UCD115268  Lepidium appelianum A. S. Crafts 1937-9-4 s.n. Yolo Davis. Comment
  UCD115269  Lepidium appelianum A. S. Crafts 1937-9-4 s.n. Yolo Davis. Comment
  UCD115274  Lepidium appelianum A. S. Crafts 1935-9-15 s.n. Yolo Woodland. Comment
  CAS-BOT-BC88881  Lepidium chalepense Bess Cowley 1932-7-1 s.n. Yolo West Sacramento. Comment
  CAS-BOT-BC88669  Lepidium coronopus Beecher Crampton 1965-6-29 7390 Yolo 5 miles east of Davis, Yolo Bypass. Comment
  HSC103374  Lepidium coronopus G. D. Barbe 1987-4-14 4267 Yolo Yolo By-pass north of I-80, 5 mi. east of Davis Comment
  UCD115339  Lepidium coronopus G. D. Barbe 1987-4-14 4267 Yolo Yolo By-pass north of I-80, 5 miles east of Davis. Comment
  UCD115255  Lepidium dictyotum Robert E. Preston 1996-3-23 906 Yolo SE of Woodland, NW of int Rd 25 and Rd 103. 9 Comment
  UCD81028  Lepidium dictyotum Ellen Dean 2009-4-1 5371 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Western side of property, near Mavis Henson sign. 9 Comment
  CAS-BOT-BC89071  Lepidium didymum Clarence R. Quick 1968-8-25 68 -13 Yolo Merritt Island, near junction of county roads #140 and 142, 3.5 miles south of Clarksburg. Comment
  RSA388902  Lepidium didymum P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co., Clarksburg, Sacramento River. Comment
  UCD115370  Lepidium draba Dr. A. S. Crafts 1935-9-13 s.n. Yolo Woodland. Comment
  UCD115371  Lepidium draba Dr. A. S. Crafts 1935-9-13 s.n. Yolo Woodland. Comment
  UCD115448  Lepidium draba J. D. Skoss 1948-5-30 s.n. Yolo Radio Station KFBK, U.S. Highway 40. Comment
  CAS-BOT-BC89743  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
  UCD115708  Lepidium latifolium Peter Menth 1992-6-2 14 Yolo Empty lot behind 1263 E. Oak Ave. 16 Comment
  UCD115709  Lepidium latifolium Burt Ray 1964-8-10 s.n. Yolo 8 miles e.s.e of Dixon. Comment
  UCD115710  Lepidium latifolium R. N. Raynor 1939-6-20 s.n. Yolo 1 mile north of Clarksburg, Lisbon Tract. Comment
  UCD115711  Lepidium latifolium R. N. Raynor 1939-6-20 s.n. Yolo 1 mile north of Clarksburg, Lisbon Tract. Comment
  CAS-BOT-BC89806  Lepidium latipes B. Crampton 1957-4-23 3947 Yolo 3 miles northeast of Davis. Comment
  RSA10405  Lepidium latipes C. B. Wolf 1928-5-8 2147 Yolo Sacramento Valley; 12 miles north of Dixon Comment
  RSA696169  Lepidium latipes Keith E. Hoffmaster 1940-4-28 955 Yolo 2 miles north of Davis Comment
  SD131820  Lepidium latipes L. R. Heckard, J. C. Hickman 1982-4-7 5827 Yolo At corner of road 25A and road 103, ca. 3.0 miles southeast of Woodland. Comment
  UCD21044  Lepidium latipes Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-4-5 230 Yolo S of the city of Davis. Along Road 38, approximately 0.25 miles S of its intersection with Road 105. Glide/Tule Ranch site, pool # GLI002. 2 Comment
  UCD63230  Lepidium latipes Ellen Dean; K. Mawdsley 2008-4-16 4805 Yolo southeast side of Woodland, Woodland Regional Park, just south of the intersection of County Roads 102 and 25, east side of road 102. Parking area between rodeo corrals and area just south of reservoir. 0 Comment
  UCD80971  Lepidium latipes Ellen Dean; R. Rawson, J. Herford, A. Weidling, H. McGinnis 2009-4-1 5354 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Western side of property used by model airplane club. 9 Comment
  UCD84330  Lepidium latipes Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UC2014149  Lepidium latipes Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo County: Yolo Bypass. Glide Ranch. Comment
  UCD21377  Lepidium latipes var. latipes J. Shepard 2001-3-26 417 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road nearly to Department of Defense property fence. Thence, south approximately 100 yards past two large vernal pools straddling fence, growing 3 yards west of fence. 12 Comment
  UCD115782  Lepidium nitidum K. Esau; M. Phillips 1929-4-11 1890 Yolo Davis. Comment
  UCD144775  Lepidium nitidum Carol W. Witham 2003-4-7 900 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD56767  Lepidium nitidum Ellen Dean; M. Bibbo 2007-3-23 3459 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
  UCD82171  Lepidium nitidum J. Shepard 2001-3-26 418 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 4.0 mi. south on Mace Blvd. (County Road 104), to Co. Rd. 36; thence ~.5 mi east along road to DOD fence; then 100 yd north of Co. Rd 36 along east side of DOD fence. 12 Comment
  CAS-BOT-BC89857  Lepidium nitidum W. D. Hamilton 1946-4-22 s.n. Yolo 7 miles west of Winters. Comment
  CDA34528  Lepidium nitidum var. nitidum R. A. Price 2010-4-9 1610 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
  CDA34526  Lepidium nitidum var. oreganum R. A. Price 2010-4-9 1612 Yolo Woodland; south-east corner of city. Just east of County Road 102 and south of County Road 25 (old Woodland Areomodelers s site). 0 Comment
  UCD34467  Lepidium oxycarpum Beecher Crampton 1985-4-10 9911 Yolo Yolo County, 3.5 miles S.E. of Woodland. Comment
  UCD38299  Lepidium oxycarpum Beecher Crampton 1954-3-23 1746 Yolo 1.5 miles north of Davis. Comment
  CDA34529  Lepidium oxycarpum R. A. Price 2010-4-9 1608 Yolo Woodland; south-east corner of city. Just east of County Road 102 and south of County Road 25 (old Woodland Areomodelers s site). 0 Comment
  SEINET11279585  Lepidium oxycarpum B. Crampton 1985-4-10 9911 Yolo 3 miles SE of Woodland. Comment
  UCD81059  Lepidium pinnatifidum Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5594 Yolo city of Woodland. Woodland Regional Park. East side of County Road 102, just south of County Road 25. Old rodeo area with bare areas where buildings used to be. 9 Comment
  CAS-BOT-BC12896  Lepidium strictum Clarence R. Quick 1971-4-29 71 -38 Yolo Pylman-Quick garden, Merritt Island. Near Clarksburg. Comment
  UCD160930  Lepidium strictum J. Shepard 1998-5-5 2 Yolo UC Davis Campus. Corner of North Quad and West Quad. 10 Comment
  UCR151947  Leptochloa fascicularis Beecher Crampton 1955-8-23 3138 Yolo 3 mi N of the city of Davis Comment
  SACT001397  Leptochloa fascicularis John Willoughby 1976-7-29 Yolo Along road. Comment
  SBBG33909  Leptochloa fusca subsp. fascicularis L. S. Rose 1969-6-23 69041 Yolo 2 mi SW of Knights Landing 15 Comment
  UC1950418  Leptochloa fusca subsp. fascicularis Barbara Ertter 1988-10-21 7992 Yolo Cache Creek at Rd 89 crossing just W of I-505, E of gravel pits 1.5 mi N of Madison, ca 10 airmiles W of Woodland, Sacramento Valley Comment
  UCD37763  Leptochloa fusca subsp. fascicularis Beecher Crampton 1961-10-25 6051 Yolo Yolo County, 2 miles west of Bryte, along County Road 127, junction of Sacramento Bypass and Yolo Bypass. Comment
  UCD63846  Leptochloa fusca subsp. fascicularis Donald O. Santana 1976-9-1 Yolo ca. 0.5 mi. south of county Road 27 and ca. 0.5 mi. west of State Highway 113. 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
  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
  UCD62857  Leptosiphon androsaceus Tavis Forrester; Plant Biology 102 students 2008-4-6 1 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
  UCD72450  Leptosiphon bicolor Ellen Dean 2008-4-25 4873 Yolo Tuleyome Ireland Ranch, western part of ranch near Crooker Spring. 332 Comment
  HSC17106  Leptosiphon liniflorus C. B. Wolf 1928-5-8 2137 Yolo 12 mi. N of Dixon on the Pacific Hwy. Comment
  UC87987  Lessingia hololeuca Blankinship 1892-9-25 Yolo Woodland Comment
  UCD141594  Leymus triticoides Ellen Dean; A. Ayalon 2013-5-17 7765 Yolo Along Putah Creek, west of Old Davis Road, between Railroad overpass and HWY 80. UC Davis Putah Creek reserve Restoria site. In plot DRR 4A of Putah creek vegetation sampling project. 15 Comment
  UCD64644  Leymus triticoides Beecher Crampton 1953-5-28 1348 Yolo Bryte. Comment
  UCD64646  Leymus triticoides Beecher Crampton 1957-5-14 4010 Yolo Knights Landing, banks of the Sacramento River. Comment
  UCD65607  Leymus triticoides G. F. Hrusa; T. D. Wilfred 1996-5-16 12935 Yolo Central Valley, E edge of Tule Canal, approx. 3/4 miles N of I-5. Comment
  UCD81612  Leymus triticoides Collector Unknown 1950-6-1 s.n. Yolo Capay Valley. Comment
  UCD86629  Leymus triticoides A. A. Beetle 1946-6-1 4709 Yolo Davis Campus. Comment
  UCD86633  Leymus triticoides A. A. Beetle 1946-6-1 4709 Yolo Davis Campus. Comment
  SEINET11695804  Leymus triticoides Unknown 1962-5-28 6470 Yolo Davis, along Southern Pacific Railroad Comment
  UCD37591  Linanthus ciliatus Beecher Crampton 1955-4-14 2489 Yolo Yolo County, 2 miles northwest of Dunnigan. Comment
  CDA19200  Linaria dalmatica R. Breckenridge, Kratville 2001-5-3 PDR 1204577 Yolo Sacramento Valley; S-bound Interstate Hwy 5, Woodland. 0 Comment
  SEINET8190533 Image available Liriodendron tulipifera June McCaskill 1954-5-4 289 Yolo Along north side of Temporary Building 1 at southeast end of Administration Building, University of California, Davis Comment
  UCD58025  Lithophragma affine Ellen Dean; K. Mawdsley 2007-4-6 3564 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 442 Comment
  UCD41167  Lithophragma bolanderi C. Holn 2002-4-10 171 Yolo Eastern foothills of inner north coast range, Berryessa Valley. About 1.2 miles as the crow flies east of Monticello Dam, off of Hwy 128, south side of creek. Comment
  UCD115925  Lobularia maritima Joy Woo 1989-5-21 18 Yolo Corner of Valencia Ave. and Anderson Rd. Davis, CA. Comment
  UCD41297  Logfia gallica Ellen Dean; Jean Shepard 2003-5-18 1801 Yolo Russell Ranch Property belonging to UC Davis, west of Davis, south of Russell Blvd. Parcels west and east of road 95A, south of Putah Creek and Stevens Bridge. 15 Comment
  UCD134151  Logfia gallica Fleur Ng'weno 1989-5-7 DQ 40 Yolo D-Q University County Road 31, 9 mi. west of Davis city center. 30 Comment
  UC1254518  Lolium A. A. Beetle May 1945 Yolo Davis Comment
  UCD65612  Lolium Beecher Crampton 1959-6-10 5348 Yolo Along County Road 31, just north of Davis. Comment
  CDA2229  Lolium multiflorum T. C. Fuller 1958-5-2 3950 Yolo Between freeway and railroad, 1 miles east of Davis. 0 Comment
  UCD66063  Lolium multiflorum Beecher Crampton 1961-6-1 5883 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
  UCD66195  Lolium multiflorum Joy Woo 1989-5-16 12 Yolo Davis. Along railroad tracks on H. St. Comment
  UCD66304  Lolium multiflorum R. Tofsrud 1942-1 97 Yolo Near Davis. Comment
  UCD59307  Lolium perenne Ellen Dean; Kate Mawdsley 2007-5-11 3731 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
  UCD66620  Lolium temulentum J. D. Skoss 1947-5-10 s.n. Yolo Putah Canyon. 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
  JEPS15820  Lomatium caruifolium var. caruifolium J. W. Blankinship 1893-4-15 Yolo Comment
  JEPS15821  Lomatium caruifolium var. caruifolium J. W. Blankinship 1893-4-15 Yolo Comment
  UCD161147  Lomatium dasycarpum subsp. dasycarpum Craig Thomsen 2006-6-8 2674 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
  CDA38382  Lomatium dasycarpum subsp. tomentosum T. C. Fuller 1958-4-23 s.n. Yolo 1 mile north of Rumsey. 0 Comment
  UCD127726  Lomatium dasycarpum subsp. tomentosum R. R. Kehlor 1951-4-28 34 Yolo in Putah Canyon at Recreation Beach. Comment
  JEPS78639  Lomatium utriculatum John W. Willoughby 1977-3-16 1950 Yolo along State Hwy. 128 Vaca Mts. (1.3 mi. e. of junction with Rd. 86, n. side of rd.) Comment
  JEPS84631  Lomatium utriculatum John W. Willoughby 1977-3-16 1910 Yolo low foothills n. of State Hwy. 128 1.3 mi. e. of its junction w/ Pleasnats Valley Rd. (County Rd. 86) Vaca Mts. (large turnout n. side of hwy, apricot orchard s. of hwy.) 48 Comment
  UCD127795  Lomatium utriculatum K. Esau; E. Hyde 1938-5-5 s.n. Yolo near bridge at entrance to Putah Canyon. Comment
  RSA0048654  Lomatium vaginatum Lois Weston 1942-4-24 1256 Yolo Putah Can. Comment
  CDA43465  Lonicera japonica Kevin Matryn 2015-9-28 PDR# 570 P06364034 Yolo Davis; West Pond, near Covell Blvd. 0 Comment
  UCD137360  Lonicera japonica M. Klapp 1996-6-4 20 Yolo north of UC Davis Campus on Oak Ave. Located around a fence at one of the residences, approximately 100 m north of Russel Blvd. 20 Comment
  CAS-BOT-BC235133  Lonicera standishii Ed Gedling 1963-4-18 s.n. Yolo Northeast end of Ag. Eng. building Comment
  UC1585950  Lotus grandiflorus var. grandiflorus Barbara Ertter with Annetta Carter 1989-5-28 8529 Yolo about 5 air mi wsw Rumsey (Rayhouse Road 4.3 mi from Hwy 16, e side of ridge between Blue Ridge and Little Blue Ridge, 0.4 mi below crest at large roadcut, nw Yolo Co.) 731 Comment
  JEPS55894  Lotus scoparius W. L. Jepson 1920-5-23 8959 Yolo near Hershey (in Buckeye Creek bed, w Yolo Co.); Buckeye Creek Comment
  CDA16697  Lotus wrangelianus G. F. Hrusa 1998-3-21 14158 Yolo North Coast Biodiversity Arena; Hwy 16 along Cache Creek at the rafting put-in. Nr. Lake County line. 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
  UCD66058  Ludwigia peploides subsp. montevidensis B. J. Grewell; Robert McKee 2006-8-15 06- 38 -LU Yolo Yolo Bypass Wildlife Area within the Yolo Bypass floodplain west of the Sacramento River, east of Davis, CA, and s. of I-80 hwy. NE edge of pond across from drain canal at #3 stop on refuge auto tour map. 1 Comment
  UCD78326  Ludwigia peploides subsp. montevidensis B. J. Grewell 2007-10-19 07- 111 -LU Yolo University of California, Davis. Pond at USDA-ARS research facility, 2705 Levee Road. 20 Comment
  UCD168489  Lupinus albifrons Ellen Dean 2017-3-15 9279 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
  SEINET10488394  Lupinus albifrons Thomas W. Nelson, Jane P. Nelson 1980-4-27 Nelson 5099 -A Yolo Morgan Valley Quad. Along State Route 16, 6 mi from Colusa County line. 152 Comment
  HSC81835  Lupinus albifrons var. albifrons Thomas W. Nelson, Jane P. Nelson 1980-4-27 5099 Yolo Along State Route 16, 6 mi. from Colusa County line. 152 Comment
  RSA32942  Lupinus albifrons var. eminens A. A. Heller 1941-3-26 15913 Yolo Buckeye Creek, no U. S. HIghway #99W. Comment
  JEPS14594  Lupinus benthamii Peter H. Raven with G. Thomas Robbins 1956-4-28 9045 Yolo on State Highway 24 on a roadside bank formed by a fill 1.6 mi s Freeport; s of Freeport Comment
  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
  UCD107330  Lupinus bicolor M. I Wibawa 1996-4-13 3 Yolo along Hwy 128, 1 mi W of Railroad Ave. 17 Comment
  UCD22967  Lupinus bicolor J. Shepard 2002-3-16 496 Yolo Grasslands Regional Park. East of Davis, from intersection of I-80 and Mace Blvd., 4.0 mi. south on Mace Blvd. (County Road 104), thence east along County Road 36 about 0.4 mi to southeast corner of park, about 50 yd. north of County Road 36 and 300 yd. west of the DOD fence forming the eastern boundary of the park. 12 Comment
  UCD73603  Lupinus bicolor Ellen Dean; Elizabeth Goebel 2008-4-7 4733 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
  UCR207819  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2009-3-24 14441 Yolo Inner North Coast Ranges, along CA-128, 4.4 miles west of Winters and beside Putah Creek 43 Comment
  UCD107127  Lupinus bicolor A. A. Beetle 1944-3-27 1964 Yolo near Davis. Comment
  UCD33688  Lupinus bicolor Beecher Crampton 1972-3-13 8772 Yolo 3 miles west of Winters. Comment
  UCD34971  Lupinus bicolor Beecher Crampton 1996-4-22 10329 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, T9N R2E, sect 11. Comment
  RSA699931  Lupinus bicolor subsp. bicolor Keith E. Hoffmaster 1946-3-29 1088 . Yolo Putah Canyhon, south hill slope near Cannonball. Comment
  POM10730  Lupinus densiflorus var. aureus C. F. Baker 1903-5-7 3070 Yolo Rumsey. Comment
  HSC90035  Lupinus densiflorus var. aureus Andrew Enberg, Brad Penkala, Dan Scofield 1990-4-23 54 Yolo Hwy. 16, 1/2 mi. S of Colusa County line 221 Comment
  UCD107763  Lupinus formosus P. B. Kennedy 1916-7-23 19 Yolo Knights Landing. Comment
  UCD107765  Lupinus formosus P. B. Kennedy 1916-7-23 20 Yolo Exact location unknown. Comment
  UC532188  Lupinus microcarpus var. densiflorus L. F. Robbins 1928-4-15 Yolo Capay Valley Comment
  UCD108756  Lupinus microcarpus var. densiflorus M. Wiesendanger 1927-4-29 615 Yolo Esparto. Comment
  UCD108641  Lupinus microcarpus var. densiflorus Shirley L. Cotter 1952-4-27 3458 Yolo Beside Putah Creek, 1 mile west of Winters. Comment
  CAS-BOT-BC8264  Lupinus microcarpus var. microcarpus Amos Arthur Heller; H. E. Brown 1902-4-29 5415 Yolo Near Madison Comment
  UC532186  Lupinus microcarpus var. microcarpus L. F. Robbins 1928-4-15 Yolo Capay Valley Comment
  UC726674  Lupinus microcarpus var. microcarpus A. A. Heller 1920-4-25 13377 Yolo Yolo Causeway Comment
  UCR235433  Lupinus microcarpus var. microcarpus George K. Helmkamp, E. A. Helmkamp 2012-4-17 18780 Yolo Sacramento Valley, along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland 65 Comment
  UCD108842  Lupinus microcarpus var. microcarpus I. L. Eaks 1951-3-28 21 Yolo along railroad 3 miles north of Davis. Comment
  UCD108887  Lupinus microcarpus var. microcarpus J. Skoss 1948-6-5 13 Yolo railroad embankment, 2 miles northeast of Davis. Comment
  UCD108892  Lupinus microcarpus var. microcarpus Joy Woo 1989-5-3 4 Yolo Near Greenbelt #4. North Davis. Comment
  UCD73231  Lupinus nanus Ellen Dean; Susan Xhang, Christa Lindsey, Chris Mosser 2008-5-3 4900 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. On hillside on west side of canyon. 91 Comment
  UCR119141  Lupinus nanus Beecher Crampton 1965-4-6 7256 Yolo Sacramento Valley, 3.5 miles west of Winters along State Highway 128. 46 Comment
  UCD108936  Lupinus nanus Beecher Crampton 1972-3-13 8771 Yolo 6 miles west of Winters. Comment
  UCD108969  Lupinus nanus Alan P. Godlewski 1974-4-26 3 Yolo South of Envir. Hort. On UC Davis campus. Comment
  UCD39001  Lupinus nanus Beecher Crampton 1962-4-2 6109 Yolo 1.5 miles west of Winters, Putah Creek. Comment
  SEINET10490090  Lupinus nanus subsp. latifolius Sutherland 1963-2-27 SUTHERLAND 5 Yolo Erect annual herbs, petals blue with white spot on banner; among rocks on dry Hillside, in direct sun; on roadside opposite creek near recreation beach, Putah canyon, state hwy 128. Comment
  UCD33691  Lupinus pachylobus Beecher Crampton 1972-3-27 8777 Yolo 2 miles west of Winters. Comment
  SEINET10737374 Image available Lupinus subvexus A. Arthur Heller 1902-4-29 Heller 5415 Yolo Near Madison. 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
  UCR207824  Lupinus succulentus George K. Helmkamp, E. A. Helmkamp 2009-3-24 14446 Yolo Inner North Coast Range, along CA-128, 6.1 miles west of Winters and beside Putah Creek 49 Comment
  UCR219515  Lupinus succulentus Jean V. Shepard 2000-4-1 102 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, 3.5 - 4.0 mi south on Mace Blvd. (Co. Road 104) from intersection of Hwy I-80 and Mace Blvd., east along unpaved entrance road 12 Comment
  UCD109593  Lupinus succulentus A. A. Beetle 1944-3-27 1965 Yolo near Davis. Comment
  SEINET10637647  Lycopersicon esculentum Stephanie Frischie 2000-10-7 Frischie 119 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET10780231  Lycopersicon esculentum Stephanie Frischie 2000-10-7 Frischie 112 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET10780232  Lycopersicon esculentum Stephanie Frischie 2000-10-14 Frischie 133 Yolo Davis Farmers' Market, Davis, CA. Comment
  UCD126618  Lycopersicon esculentum Beecher Crampton 1977-10-26 s.n. Yolo UC Davis Campus, Agricultural Services Area. Comment
  CDA40733  Lycopus americanus Margaret Bellue 1933-1 s.n. Yolo Near Causeway, Davis Highway. 0 Comment
  SEINET2441871  Lythrum californicum Barbara Ertter 1988-10-21 7991 Yolo Cache Creek at Rd 89 crossing just W of I-505, E of gravel pits 1.5 mi. N of Madison, ca 10 airmiles W of Woodland, Sacramento Valley; T10N R1W, ca 120'. Comment
  UCD38517  Lythrum californicum Beecher Crampton 1955-9-29 3164 Yolo US Hwy 99W. 1.5 miles north of Davis. Comment
  UCD161504  Lythrum hyssopifolia Craig Thomsen 2015-10-5 2610 Yolo Otis-Camp Haswell Yolo County Park. Rumsey Canyon. West side of Cache Creek. 144 Comment
  UCD37039  Lythrum hyssopifolia Beecher Crampton 1956-7-13 3717 Yolo Yolo Bypass. Comment
  UCR129825  Lythrum hyssopifolia Beecher Crampton 1956-7-13 3716 Yolo Sacramento Valley, Yolo Bypass 5 Comment
  RSA0016011  Lythrum hyssopifolia S. L. Morrison 1974-6-2 32 Yolo South side of Southern Pacific Railroad causeway, 3.5 miles east of Mace Boulevard overpass and US Interstate 80. Comment
  UCR148156  Lythrum salicaria David Spencer 1999-1 s.n. Yolo Cache Creek Nature Preserve, Along Cache Creek, N of Woodland Municipal Airport, upstream of gravel mining area, west of road 94B, between road 20 and Hwy 16 Comment
  CDA5129  Lythrum salicaria David Spencer 1999-1 s.n. Yolo Cache Creek Nature Preserve. Along Cache Creek, N of Woodland Municipal Airport, upstream of gravel mining area, W of road 94B, between road 20 and Hwy 16 0 Comment
  UCD102937  Lythrum salicaria David Spencer 1999-1 s.n. Yolo Cache Creek Nature Preserve, along Cache Creek, north of Woodland Municipal Airport, upstream of gravel mining area, west of road 94B, between road 20 and highway 16. Comment
  JEPS100847  Lythrum tribracteatum Dean Wm. Taylor with Mey Akasah 1999-6-4 17226 Yolo Dunnigan Hills, along County Road E4 0.5 miles South of junction with Road 86 91 Comment
  UCD84361  Lythrum tribracteatum Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 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
  HSC82067  Madia elegans Thomas W. Nelson, Jane P. Nelson 1980-4-27 5114 Yolo Along SR 16, 100 m E of bridge over Cache Creek, 4.2 mi. from county line 152 Comment
  SEINET9293318  Madia elegans Unknown 2009-5-20 14726 Yolo Glasscock Mountain Comment
  UCD59351  Madia gracilis Ellen Dean; Kate Mawdsley 2007-5-11 3775 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Northeastern section of ranch. 445 Comment
  UCD62839  Madia gracilis Elaine Chow; Plant Biology 102 students 2008-4-6 3 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. 109 Comment
  UCD62903  Madia gracilis Christa Lindsey; Plant Biology 102 students 2008-5-3 3 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. West side of Bray Creek. 103 Comment
  UC630437  Malacothrix floccifera Ethel Crum and Annetta Carter 1938-5-7 1365 Yolo 3.6 mi n Rumsey; Inner North Coast Range, Cache Creek Canyon 213 Comment
  UCD21288  Malva nicaeensis J. Shepard 2000-5-8 227 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road past parking lots on the south side. Growing in 6 foot mounds of topsoil behind archery ranges. 12 Comment
  CDA20336  Malva nicaeensis M. Stephenson 2000-5-31 Yolo Sacramento Valley; Alley betw. D & E. streets, Davis 0 Comment
  UCD116555  Malva nicaeensis B. Crampton 1953-4-26 1135 Yolo Davis. Comment
  UCD21230  Malva parviflora J. Shepard 2000-4-1 107 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. Along north side of entrace road. 12 Comment
  UCD116678  Malva sylvestris Mrs. Nora Cruse 1938-5-26 s.n. Yolo 412 Lincoln Ave., Woodland. Comment
  UCD116696  Malvella leprosa P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co. Clarksburg -- Sacramento River. Comment
  UCD41042  Malvella leprosa Carol W. Witham 2003-8-8 973 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD116700  Malvella leprosa W. T. Pope 1916-10-1 s.n. Yolo University Farm. Comment
  UCD116718  Malvella leprosa Charles B. Heiser Jr. 1947-5-29 1917 Yolo Davis. Comment
  UCD20685  Malvella leprosa Laura F. Galloway 1988-5-18 18 Yolo Yolo County, Davis, 'G' and Sweet Briar Sts., empty urban lot. 13 Comment
Read comments
Jan 22 2008
  UCD35642  Malvella leprosa Beecher Crampton 1959-6-10 5342 Yolo Just north of Davis, along County Road 31. Comment
Read comments
Jan 22 2008
  JEPS84709  Marah fabacea John W. Willoughby 1977-3-16 1918 Yolo just w of junction State Highway 128 and Pleasants Valley Road (County Road 86); Vaca Mountains, Putah Creek 48 Comment
  UCD107627  Marah fabacea R. B. Griffith 1949-3-14 3 Yolo Putah Canyon. Comment
  UCD80982  Marah fabacea Clare Loughran; Ellen Dean, Angelica Sauceda 2009-4-26 3 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Lower reaches of Bray Canyon. West Side of Bray Canyon. 88 Comment
  SEINET4584961 Image available Marah fabacea Vijai Rakvidhyasastra 1969-5-3 23 Yolo Near bank of Putah Creel, University of California - Davis campus Comment
  UCD107630  Marah fabacea B. L. Hanson 1961-3-27 12 Yolo State Highway 16 at County Road 78A, near Brooks. 91 Comment
  UCD41224  Marah fabacea Ken McPherson 1976-5-2 17 Yolo 100 feet west of the Putah Creek bridge, Road 26 near Davis. Comment
  UCD68022  Marrubium vulgare C. P. Pease 1995-5-20 S.N. Yolo East side of University of California, Davis campus, Experimental College gardens. 16 Comment
  SBBG50622  Marrubium vulgare L. Dodge 1974-5-13 42 Yolo N bank of Putah Crk at end of Airport Rd, 2 mi SW of Davis 12 Comment
  SEINET5734566 Image available Marrubium vulgare Mary Anne Brayton 1964-1 33 Yolo Along Hwy 128, 10 miles west of Winters.; Winters Comment
  UCD125034  Marrubium vulgare Charles B. Heiser 1947-6-1 1926 Yolo along Putah Creek, Davis. Comment
  UCD81461  Marrubium vulgare M. Wiesendanger 1927-4-29 612 Yolo Woodland. Comment
  CAS-BOT-BC67840  Marsilea vestita Roxana Stinchfield 1916-7-1 360 Yolo Tule at mouth of Buckeye Comment
  UCD18491  Matricaria discoidea C. P. Pease 1995-5-6 s.n. Yolo city of Davis, east side of UCD campus, Experimental College gardens. 16 Comment
  UCD73625  Matricaria discoidea Ellen Dean; Elizabeth Goebel 2008-4-7 4752 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat, west of Dry Creek road crossing. 83 Comment
  CDA16214  Matricaria discoidea G. F. Hrusa 1998-4-1 14194 Yolo Sacramento Valley; Levee road along Tule Canal. 0 Comment
  SEINET9344120  Matricaria discoidea Unknown 1978-5-8 9581 Yolo 0.25 mi S of Saxon Station, T7N R3E Sect 17, NE 1/4. Roadside UC Davis Herbarium, The Beecher Crampton Herbarium Collection 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
  UCD134618  Matricaria discoidea M. Wiesendanger 1927-4-29 600 Yolo Davis. Comment
  UCR235432  Matricaria matricarioides George K. Helmkamp, E. A. Helmkamp 2012-4-17 18779 Yolo Sacramento Valley, along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland 65 Comment
  RSA695728  Matricaria matricarioides Lois Weston 1942-4-5 1109 Yolo Davis campus Comment
  UCD106770  Medicago arabica Carl Schoner 1965-4-30 s.n. Yolo 4 miles north of Elkhorn Ferry, Hershey Ranch. Comment
  UCD107724  Medicago lupulina Beecher Crampton 1958-5-27 4833 Yolo Hunt Hall, UC Davis campus. Comment
  UCD36276  Medicago orbicularis Beecher Crampton 1953-5-13 1254 Yolo Yolo County, University of California, Davis campus, Solano tract. Comment
  UC1543119  Medicago polymorpha Charlotte G. Nast 1936-3-27 13 Yolo Putah Canyon; entrance Comment
  UCR118886  Medicago polymorpha Beecher Crampton 1955-3-21 2334 Yolo Sacramento Valley, 8.5 miles west of Davis, Moon Ranch. 30 Comment
  UCR235397  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2012-4-17 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
  SFV8470  Medicago polymorpha B. Stanfield 1966-3-20 3 Yolo 7 miles west of Winters. 40 Comment
  UCD107785  Medicago polymorpha W. Biehler 1950-1 s.n. Yolo On Davis campus. Comment
  UCD35262  Medicago polymorpha Beecher Crampton 1955-3-21 2333 Yolo Yolo County; 8.5 miles west of Davis, Moon Ranch. Comment
  UCD34113  Medicago sativa Beecher Crampton 1976-8-9 9406 Yolo Road 29 W of Hwy. 113. Comment
  OBI54920  Medicago sativa Kathleen Faustini 1980-4-21 12 Yolo Rte E6 near Rd 32 Comment
  UCD39941  Medicago sativa Beecher Crampton 1955-9-6 s.n. Yolo UC Davis Campus, Campbele tract. Origin: Canada. Comment
  SEINET11695727  Melica Unknown 1962-8-24 T.O. 2573 Yolo UC Davis agronomy experimental area, plant introduction nursery, row E-66 Comment
  UCD86439  Melica californica Beecher Crampton 1956-4-9 3240 Yolo Yolo County, 5 miles west of city of Winters, Vaca Mountains, Putah Creek Canyon. Comment
  UCD86938  Melica californica Beecher Crampton 1972-4-3 8780 Yolo Yolo County, 2.25 miles north of Saxon Station (direct line is 4 miles S.E. of Davis) Comment
  UC75174  Melica torreyana C. F. Baker 1903-5-5 2885 Yolo Cache Creek Canyon Comment
  UCD108065  Melilotus indicus J. Buck 1996-5-9 3 Yolo City of Davis, off of Covell Boulevard. 15 Comment
  UCD81044  Melilotus indicus Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5585 Yolo city of Woodland. Woodland Regional Park. East side of County Road 102, just south of County Road 25. East side of drainage pond. 9 Comment
  UCR257077  Melilotus indicus George K. Helmkamp, Mary Alice Barnes 2013-5-8 20520 Yolo Southern Sacramento Valley, Yolo Bypass Wildlife Area, 0.9 mile southeast of the junction of Chiles Road and I-80, between Sacramento and Davis 13 Comment
  UCD38300  Melilotus indicus Beecher Crampton 1953-3-11 1745 Yolo 1.5 miles north of Davis. Comment
  UCD39212  Melilotus officinalis Beecher Crampton 1953-5-28 1347 Yolo Bryte. Comment
  UCD36492  Mentha canadensis Beecher Crampton 1953-10-15 1691 Yolo Yolo County, 2 miles west of Madison. Comment
  JEPS42863  Mentzelia laevicaulis var. laevicaulis Tracy I. Storer 1912-6-29 Yolo Rumsey Comment
  UC19601  Mentzelia laevicaulis var. laevicaulis Willis L. Jepson July 1892 Yolo near the Devil's Gate; Putah Canyon Comment
  JEPS98627  Mercurialis annua Dean Kelch 1994-3-24 Yolo outside botany greenhouse 1, near headhouse U. C. Davis campus 20 Comment
  UCD96992  Mesembryanthemum crystallinum W. A. Harvey 1948-7-27 s.n. Yolo Harvey's Hacienda. 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
  UCD102823  Micranthes californica Jack Maze 1964-3-13 29 Yolo State Highway 16, 2.5 miles north of Rumsey. 182 Comment
  UCD48201  Micranthes californica Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 11 Yolo McLaughlin UC Reserve. W side of Davis Creek Reservoir, along road that goes from Soda Spring area to Rayhouse Rd. Ca. 0.5 airline mile due N of Soda Springs and ca. 1.0 airline mile WNW of UC Davis Aquatic Lab facility. Along edges of running stream and slopes to the north and south stream on the W side of the road. 487 Comment
  UCD62866  Micropus californicus Tavis Forrester; 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. 109 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
  POM57376  Micropus californicus var. californicus C. F. Baker 1903-5-7 2932 Yolo Rumsey. Comment
  SEINET202284  Micropus californicus var. californicus J. Maze 1963-4-27 17 Yolo .75 mi E of Recreation Beach State Hwy 128 Comment
  UCD132849  Microseris douglasii Ellen Dean; Jean Shepard 2003-5-18 1808 Yolo Russell Ranch Property belonging to UC Davis, west of Davis, south of Russell Blvd. Parcels west and east of road 95A, south of Putah Creek and Stevens Bridge. 15 Comment
  UCD80928  Microseris douglasii Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5331 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Old rodeo parking area. 9 Comment
  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
  UCD40990  Microseris douglasii subsp. douglasii Carol W. Witham 2003-4-9 920 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCR225400  Microseris douglasii subsp. douglasii Jean V. Shepard 2002-4-21 512 Yolo Yolo County Grasslands Park, east of Davis, from intersection of Hwy I-80 and Mace Blvd, 3.5 mi south on Mace Blvd (Co. Road 104), thence east along unpaved entrance toad to Sacramento Valley Soaring Society field to the north 12 Comment
  POM53403  Microseris douglasii subsp. douglasii C. F. Baker 1913-5-8 2889 Yolo Cache Creek Canyon Comment
  UCR146281  Mimulus Gene Miyao 1986-4-15 s.n. Yolo c. 1 mi south of Madison, Circle G Ranch on County Rd. 89 47 Comment
  UCD122251  Mimulus aurantiacus Ogden C. Riddle 1942-3-29 24 Yolo Putah Canyon. Hill across creek north of 'cannon ball'. Comment
  CDA41710  Mimulus kelloggii K. Esau 1938-3-26 s.n. Yolo Putah Canyon. 0 Comment
  UCD122713  Mimulus microphyllus M. Wiesendanger 1927-5-4 642 Yolo Putah Canyon. Comment
  UCD122633  Mimulus microphyllus Collector Unknown 1925-5-22 1934 Yolo Putah Creek, Campus. Comment
  POM21048  Mimulus pilosus Roxana Stinchfield 1916-6-25 315 Yolo Buckeye Creek, near mouth. Comment
  UCD21306  Mimulus tricolor J. Shepard 2000-5-13 248 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 4.0 mi. south on Mace Blvd. (County Road 104), thence east along County Road 36 about 0.4 mi to southeast corner of park inside disked area. 12 Comment
  SEINET8335057  Mimulus tricolor Beecher Crampton 1953-3-31 1051 Yolo 3 miles north of Winters. Comment
  RSA261510  Minuartia californica M. P. Dunford 1961-3-17 1016 Yolo On road embankment; on Pleasants Valley Road, 0.6 mile S of junction with State Hwy 128, SW of Winters. 61 Comment
  UCD59355  Monardella villosa Ellen Dean; Kate Mawdsley 2007-5-11 3779 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
  CHSC100184  Monardella villosa subsp. villosa John Dittes 2007-5-20 1452 Yolo Inner North Coast Range; Vaca Mountains; Audubon Bobcat Ranch; ridge between Thompson Canyon and Brey Canyon; ca. 6.6 air miles northwest of Winters, ca. 1.7 air miles northeast of Monticello Dam, ca., 1.2 air mile west of Stove Spring. 537 Comment
  UCD41010  Montia fontana Carol W. Witham 2003-4-11 940 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD80822  Muilla maritima Ellen Dean 2009-3-22 5280 Yolo city of Woodland. Mavis Henson Field property on the east side of county road 102, just south of county road 25. Property owned by city of Woodland. Field near center of property previously used for parking for rodeo shows. NE corner of field. 9 Comment
  RSA91890  Muilla maritima Beecher Crampton 1953-3-29 1041 Yolo Railroad embankment, 1.5 miles north of Davis. 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
  UC1474264  Myoporum parvifolium Joseph M. DiTomaso 1979-5-13 1003 Yolo Next to Mrak Hall on University of California at Davis Campus. Comment
  CAS-BOT-BC83400  Myosurus minimus L. R. Abrams 1928-5-8 12609 Yolo Between Woodland & Davis. Comment
  UCD21422  Myosurus minimus J. Shepard 2002-4-21 513 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. South along north to south access road to vernal pool area - in dip. 12 Comment
  UCD55511  Myosurus minimus J. Shepard 2004-3-21 642 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east on unpaved entrance road .4 mi., about 20 yd. west of DOD fence, thence .4 mi. south, about 40 yd. north of Co. Rd. 36. 12 Comment
  CAS-BOT-BC83399  Myosurus minimus K. J. Tucker; J. M. Tucker 1950-3-26 1926 Yolo In pasture beside Highway 99W, about 3 miles northwest of Davis. Comment
  UCD96591  Myosurus minimus Fleur Ng'weno 1989-4-30 DQ 19 Yolo D-Q University, along County Road 31, 9 mi. west of Davis city Center. 30 Comment
  UCD96609  Myosurus minimus J. M. Tucker; K. J. Tucker 1950-3-26 1927 Yolo Beside Highway 99W, about 3 miles northwest of Davis. Comment
  POM316258  Myosurus minimus var. filiformis K. J. Tucker, J. M. Tucker 1950-3-26 1927 Yolo Yolo County: beside Hwy 99W, 3 miles NW of Davis Comment
  UC1731502  Myosurus sessilis Dean W. Taylor 1993-4-23 13366 B Yolo Sacramento Valley, nw of junction Road 102 and Road 25 Sacramento Valley 9 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
  UCD102558  Myriophyllum sibiricum Sonia Cook 1972-5-26 s.n. Yolo north side of Putah Creek; south of Cal Aggie airstrip, University of California at Davis campus. Comment
  UCD141689  Myriophyllum spicatum Ellen Dean; M. Taylor 2013-6-20 7801 Yolo North side of Putah Creek east of City of Winters. South of Russell Blvd. on east side HWY 505. Yolo County Housing Authority area. Plot YHA 1E of Putah Creek vegetation survey. 6 Comment
  SBBG116095  Nassella cernua B. Crampton 1953-5-7 1221 Yolo ca. 2 mi NW of Dunnigan, along extension of Rd 4 Comment
  SBBG26345  Nassella cernua B. Crampton 1965-4-27 7294 Yolo 3 mi NW of Dunnigan Comment
  UCD87418  Nassella cernua Beecher Crampton 1958-4-21 4705 Yolo Yolo county. Gravelly slopes. Along State hwy. 16. 1/2 mile north of Guinda. Capay Valley. Comment
  UCD73111  Nassella lepida Ellen Dean; Susan Xhang, Christa Lindsey, Chris Mosser 2008-5-3 4899 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. On hillside on west side of canyon. 76 Comment
  CAS-BOT-BC260115  Nassella pulchra Beecher Crampton 1982-3-22 9823 Yolo 5 miles W of Winters on Highway 128 Comment
  UCD59378  Nassella pulchra Ellen Dean; Kate Mawdsley 2007-6-8 3853 Yolo Tuleyome Ireland Ranch, Inner Coast Ranges, northwest of the city of Winters, between Salt Creek and Enos Creek, just N of Wild Cow Mtn. Central part of ranch, just W of main loop road. 609 Comment
  UCD87499  Nassella pulchra Beecher Crampton 1970-4-13 8555 Yolo 1 mile N of Davis along Pole Line Road. Comment
  UCD18415  Nassella tenuissima Dave Bayer 2000-5-25 s.n. Yolo south of city of Davis. Comment
  UCD162958  Navarretia atractyloides Craig D. Thomsen 2006-6-13 2658 Yolo Camp Haswell Regional Park. On flat just above turnout along Hwy 16, just across from Camp Haswell. Comment
  RSA113801  Navarretia cotulifolia Beecher Crampton 1956-4-26 s.n. Yolo Count road 103, about 7 miles northeast of Davis Comment
  SEINET246031  Navarretia cotulifolia Beecher Crampton 1952-11-7 910 Yolo 3 miles northwest of city of Davis. Comment
  UC1059016  Navarretia cotulifolia Beecher Crampton 1956-4-26 3312 Yolo 7 mi ne Davis (along County Road 103) Comment
  UC1221771  Navarretia cotulifolia Beecher Crampton 1958-5-10 4778 Yolo ca 2 mi ne Davis (City of Davis dump area) Comment
  UC1228166  Navarretia cotulifolia Beecher Crampton 1960-5-9 5506 Yolo 0.25 mi s Saxon Station Comment
  UCD37103  Navarretia cotulifolia Beecher Crampton 1957-4-23 3946 Yolo Yolo County, 3 miles northeast of city of Davis. Comment
  UCD39053  Navarretia cotulifolia Beecher Crampton 1962-5-1 6360 Yolo 1/4 mile south Saxon Station, jct. County Roads 106 and 38. Comment
  UCD48347  Navarretia cotulifolia Beecher Crampton 1962-5-1 6360 Yolo 1/4 mi. s. of Saxon Station, jct. County Roads 106 and 38. Comment
  UCR119134  Navarretia cotulifolia Beecher Crampton 1962-5-1 6360 Yolo Sacramento Valley, 1/2 mile south Saxon Station., jct. county roads 106 and 38 15 Comment
  UCD48396  Navarretia eriocephala M. Wiesendanger 1927-4-29 621 Yolo Esparto. Habitat- dry hillside. Comment
Read comments
Oct 11 2011
  UC1719864  Navarretia heterandra David Fruchter 1978-9-18 105 Yolo Winters Comment
  CDA9628  Navarretia intertexta D. G. Kelch 2007-5-18 7 .323 Yolo Yolo Causeway, 0.4 mi E of Levee Rd. / RR crossing. Comment
  UCD81435  Navarretia intertexta M. Wiesendanger 1927-4-29 s.n. Yolo Esparto. Comment
  SEINET241998  Navarretia leucocephala Beecher Crampton 1955-5-12 2772 Yolo 7.5 mi west of Davis. Moon Ranch Comment
  UCD84315  Navarretia leucocephala Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCD35866  Navarretia leucocephala Beecher Crampton 1965-6-29 7391 Yolo 5 miles east of Davis; Yolo Bypass. Comment
  UC917325  Navarretia leucocephala subsp. leucocephala H. Popenoe 1949-5-22 23 Yolo between Davis and Sacramento; Yolo Causeway Comment
  UCD48544  Navarretia leucocephala subsp. leucocephala H. A. Borthwick 1925-3-21 1884 Yolo Causeway. Comment
  UCD84331  Navarretia leucocephala subsp. leucocephala Ayzik Solomeshch 2009-5-11 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCD33974  Navarretia leucocephala subsp. leucocephala Beecher Crampton 1975-6-11 9213 Yolo Yolo County, junction of county roads 38 and 106 off the S.W. corner. Comment
  UCD48485  Navarretia leucocephala subsp. leucocephala Beecher Crampton 1953-4-27 1138 Yolo Winters north city limits. Depression along the railroad. Comment
  UCD48546  Navarretia leucocephala subsp. leucocephala Robert A. Owens 1969-5-21 39 Yolo U.S. Interstate 80, west end of Yolo causeway, Yolo County, California. Comment
  UCD59450  Navarretia pubescens Beecher Crampton 1953-5-7 1220 Yolo 2 miles northwest of Dunnigan. Comment
  UCD73705  Navarretia pubescens Ayzik Solomeshch 2004-6-14 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  UCR219833  Navarretia pubescens Ayzik Solomeshch 2004-5-23 s.n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of the ranch. Grassland restoration and weed control plots of Emilio Laca and Joe DiTomaso 84 Comment
  RSA733922  Navarretia pubescens Beecher Crampton 1953-4-27 1139 Yolo West of Winters. Dry foothill slopes. Comment
  UCD16089  Nemesia caerulea Glen Holstein 1999-12-22 s.n. Yolo California. Yolo County: Davis, private garden. Comment
  UC767570  Nemophila heterophylla R. F. Hoover 1938-3-12 2846 Yolo Cache Creek Canyon near Rumsey; Cache Creek Canyon near Rumsey Comment
  UCD48045  Nemophila heterophylla Ryan Knox; McDermott, G. Walden 2002-4-13 22 Yolo Yolo Co., McLaughlin UC Reserve, W side of Davis Creek Reservoir, along road that goes from Soda Spring area to Rayhouse Rd. 0.5 airline mile due N od Soda Spring and 1.0 airline mile WNW of UC Davis Aquatic Lab facility. 516 Comment
  POM248918  Nemophila heterophylla Lincoln Constance 1938-3-27 2045 Yolo Bluff above Putah Creek on Monticello-Winters road 9 miles northwest of Winters, Vaca Mountains, Inner North Coast Range. 305 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
  UCD126647  Nicotiana glauca A. S. Crafts 1926-7-8 456 Yolo University Farm Campus, Davis. Comment
  UCD126651  Nicotiana glauca H. R. Drever 1945-8-18 s.n. Yolo University of California campus, Davis. Comment
  UCD14615  Nicotiana glauca Nathan Horn 1989-6-1 22 Yolo along Old Davis Road, ca. 1/2 mile east of University of California, Davis. 15 Comment
  UCD126725  Nicotiana quadrivalvis C. J. W. Date Unknown s.n. Yolo Davis. Comment
  UCD84799  Oenothera elata subsp. hirsutissima Thaddeus Hunt 2010-7-9 s.n. Yolo north of the town of Winters. Along Winters Canal at 'school house drain. Comment
  UCD122094  Olea europaea Don K. Sexton 1956-3-2 149 Yolo Behind Dairy Industry Bldg., north side of Hutchinson Drive, U.C. campus, Davis. Comment
  UCD39744  Origanum dictamnus Beecher Crampton 1976-7-5 s.n. Yolo Davis. Comment
  UCD162950  Orobanche uniflora Craig Thomsen 2006-5-27 2676 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
  UCD53885  Orobanche vallicola Sara Gillespie 2005-7-20 s.n. Yolo Winters Nature Park (Putah Creek), just north of Putah Creek Road. Comment
  UCD88432  Oryza rufipogon W. W. Mackie 1919-10-1 s.n. Yolo Yolo County. Comment
  RSA129675  Oryza sativa H. S. Yates 1936-8-14 6140 Yolo 8 mi NE of Knights Landing 15 Comment
  SEINET242447  Oryzopsis coerulescens Beecher Crampton 1962-4-26 T.O. 2323 Yolo UC Davis agronomy experimental rea, plant introduction nursery, row D-117 Comment
  SACT001686  Oryzopsis miliacea John Willoughby 1979-8-13 Yolo In riparian woodland. Comment
  UCD110781  Oxalis corniculata T. Tomich 1949-5-30 62 Yolo Davis. Comment
  UCD159962  Oxalis latifolia Ellen Dean 2015-4-5 8621 Yolo City of Davis. Back yard of 708 Mulberry lane. Also weed in side yard of house next to path at south end of Mulberry Lane loop. 14 Comment
  UCD159963  Oxalis latifolia Ellen Dean 2015-4-5 8621 Yolo City of Davis. Back yard of 708 Mulberry lane. Also weed in side yard of house next to path at south end of Mulberry Lane loop. 14 Comment
  UCD111010  Oxalis pes-caprae Beecher Crampton 1958-2-11 4659 Yolo Woodland, West and Court Streets. Comment
  UCD20514  Packera greenei E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1086 Yolo McLaughlin UC Reserve. W of Reed mine along Rayhouse Rd. 1.8 road mines W of intersection with Soda Springs Rd. 731 Comment
  CAS-BOT-BC227240  Panicum capillare Beecher Crampton 1953-10-15 1694 Yolo Capay, along Cache Creek Comment
  UCD149376  Panicum capillare Yolo County 4H Club 1932-10-1 s.n. Yolo City of Dunnigan. 184 Comment
  UCD89380  Panicum capillare A. A. Beetle 1946-7-13 4692 Yolo Putah Canyon. Comment
  UCD89398  Panicum capillare A. S. Crafts 1926-7-8 449 Yolo University Farm Campus, Davis. Comment
  UCD89399  Panicum capillare Beecher Crampton 1953-10-15 1694 Yolo Capay, along Cache Creek. Comment
  UCD89485  Panicum capillare Beecher Crampton 1954-9-8 2265 Yolo 5 miles west of Davis. Comment
  UCR119097  Panicum capillare Beecher Crampton 1954-9-9 2265 Yolo Sacramento Valley, 5 miles west of Davis. 15 Comment
  UCR197936  Panicum capillare Beecher Crampton 1952-8-25 850 Yolo Sacramento Valley, city of Davis 16 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
  UCD89570  Panicum capillare subsp. hillmanii Beecher Crampton 1963-8-5 6866 Yolo 1/4 mile south of west Plainfield Store on County Road 99. Comment
  UCD89803  Panicum capillare subsp. hillmanii Beecher Crampton 1977-10-25 9544 Yolo UC Davis campus, Agricultural Services yard. Comment
  CAS-BOT-BC253779  Panicum hillmanii Beecher Crampton 1962-9-11 6666 Yolo 2 miles W of Winters Comment
  RSA653994  Panicum hillmanii Beecher Crampton 1977-10-25 9544 Yolo UC Davis agricultural services yard Comment
  UCR152421  Panicum hillmanii Beecher Crampton 1968-5-31 8290 Yolo UC Davis arboretum 15 Comment
  CAS-BOT-BC253863  Panicum miliaceum B. Crampton 1955-10-12 s.n. Yolo 0.5 mile N of Davis Comment
  CAS-BOT-BC253892  Panicum rigidulum C. R. Quick 1972-7-22 72 -12 Yolo On E bank of E levee of Merritt Island, at junction of road 142, about 20 miles SSW of Sacramento, SE corner of county Comment
  UCD89969  Panicum rigidulum Clarence R. Quick 1972-7-22 72 12 Yolo E levee of Merritt Island at Road 142, SE corner. Comment
  CAS-BOT-BC253930  Parapholis incurva L. R. Abrams 1928-5-8 12594 Yolo Between Woodland and Davis Comment
  UCD62951  Parapholis incurva Joe DiTomaso 2008-5-5 s. n. Yolo Woodland, 1 mile south of I-5 on Rd. 102, 2000 Hamton Place. Comment
  UCD88642  Parapholis incurva Beecher Crampton 1978-6-26 9609 Yolo 4 miles S.E. of Woodland. Comment
  UCD168576  Parkinsonia aculeata Ellen Dean; John Roncoroni, Jean Shepard 2017-7-13 s.n. Yolo WSW of Davis on University Farm. Comment
  RSA273245  Parthenocissus vitacea Glenn A. Gorelick 1965-9-30 s.n. Yolo Davis. 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
  UC1949273  Paspalum distichum Barbara Ertter 1988-10-21 7996 Yolo Cache Creek at Rd 89 crossing just W of I-505, E of gravel pits 1.5 mi N of Madison, ca 10 airmiles W of Woodland Sacramento Vally Comment
  UCD141641  Paspalum distichum Ellen Dean; M. Taylor 2013-6-12 7783 Yolo Along Putah Creek by Los Rios Farms, between Mace Blvd. (County Road 104) and the Yolo bypass wildlife area. Los Rios Farms is on the border of DFG lands northeast of the junction of County road 106 and County road 35. Plot LRF 3A of Putah Creek vegetation survey. 6 Comment
  UCD88903  Paspalum distichum Alan A. Beetle 1946-7-13 4717 Yolo Putah Canyon. Comment
  UCD123335  Pedicularis densiflora T. E. Weier 1942-2-15 s.n. Yolo Putah Canyon. Comment
  UCD137546  Pellaea andromedifolia Beecher Crampton 1953-2-14 983 Yolo 6 miles west of Winters, emptying into Putah Creek. Comment
  UCD124070  Penstemon centranthifolius Beecher Crampton 1965-4-27 7291 Yolo 3 miles northwest of Dunnigan County Road 86. Comment
  UCD58092  Penstemon centranthifolius Ellen Dean; K. Mawdsley 2007-4-6 3631 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Along Access Road to Ireland Ranch. 411 Comment
  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
  CDA31439  Penstemon centranthifolius Robin Breckenridge 2009-8-15 PDR# 1313584 Yolo Guinda: at Thompkin s Ranch, in rangeland. 0 Comment
  POM21049  Penstemon centranthifolius Roxana Stinchfield 1916-6-26 349 Yolo Road crossing Buckeye Creek near Hershy. Comment
  UCD62728  Pentagramma triangularis Alan Yip; 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. 118 Comment
  UCD20890  Perideridia kelloggii N. Nicola 2001-5-30 118 Yolo Eastern foothills of inner north coast range, Capay Valley, on roadside of Hwy. 16, about 1.5 mi. NW of Rumsey. Comment
  CAS-BOT-BC413677  Persicaria amphibia Roxana Stinchfield 1916-6-25 326 Yolo Near Buckeye Cr. Comment
  UCD99492  Persicaria lapathifolia P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co. Clarksburg, Sacramento River. 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
  POM261894  Phacelia ciliata A. A. Heller, H. E. Brown 1902-4-30 5427 Yolo Near Black's. 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
  UCD41086  Phacelia tanacetifolia N. Nicola 2003-6-13 343 Yolo Sacramento Valley, UC Davis, west of main campus off Hutchison Rd. Comment
  UCD120714  Phacelia tanacetifolia Dr. A. S. Crafts 1935-3-29 s.n. Yolo Davis. Comment
  SEINET241295 Image available Phalaris arundinacea Beecher Crampton 1963-7-14 T.O. 2820 Yolo UC Davis agronomy experimental area, plant introduction nursery, row G-96 Comment
  UCD144612  Phalaris arundinacea Katie Holzer 2013-5-2 s.n. Yolo East of City of Guinda, along road 57 at Cache Creek where bridge crosses creek. Along west banks of creek. 103 Comment
  UCD88341  Phalaris brachystachys Beecher Crampton 1966-6-7 s.n. Yolo UC Davis. Agronomy Experimental Area. Plant Introduction Nursery. Comment
  UCD88775  Phalaris canariensis A. A. Beetle 1945-2-15 4175 Yolo Putah Creek Canyon, W of Winters. Comment
  UCD88782  Phalaris canariensis P. B. Kennedy 1916-5-25 s.n. Yolo Davis. University Farm Comment
  CDA309  Phalaris caroliniana P. B. Kennedy 1915-4-26 Yolo Outskirts of Davis. 0 Comment
  CAS-BOT-BC265927  Phalaris lemmonii L. R. Abrams 1928-5-8 12597 Yolo Between Woodland and Davis Comment
  RSA10436  Phalaris lemmonii C. B. Wolf 1928-5-8 2132 Yolo Sacramento Valley; 4 miles N of Zamora. Comment
  UC791005  Phalaris lemmonii P. B. Kennedy 1915-4-26 Yolo outskirts Davis Comment
  UCD36178  Phalaris lemmonii Beecher Crampton 1953-3-31 1048 Yolo Madison. Comment
  UCR148791  Phalaris lemmonii Beecher Crampton 1953-3-31 1050 Yolo 6 mi N of city of Winters, along railroad tracks at Arroz railroad siding Comment
  CAS-BOT-BC250680  Phalaris minor W. L. Jepson 1911-5-1 4248 Yolo Vacaville 53 Comment
  SD257146  Phalaris minor George K. Helmkamp, Mary Alice Barnes 2013-5-8 20514 Yolo Southern Sacramento Valley: Yolo Bypass Wildlife Area, 0.9 mile southeast of the junction of Chiles Road and I-80, between Sacramento and Davis (Davis 7.5'Q) 13 Comment
  SEINET219760 Image available Phalaris minor R. Eichner 1960-5-22 22 Yolo Davis University of California-Davis campus between Titus & Beckett Residence Halls Comment
  UCD21273  Phalaris minor J. Shepard 2000-5-1 165 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, straight to eastern boundary of park. South of track in field. 12 Comment
  UCD21408  Phalaris minor J. Shepard 2001-5-13 457 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east 0.5 miles along unpaved entrance road. About 20 yards from Department of Defense fence, thence south about 500 yards on west edge of vernal pool finger. 12 Comment
  UCD89050  Phalaris minor A. A. Beetle 1946-5-1 4711 Yolo Davis campus. Comment
  UCD89051  Phalaris minor A. A. Beetle 1946-5-1 4711 Yolo Davis campus. Comment
  UCD89169  Phalaris minor Beecher Crampton 1968-6-13 8292 Yolo UC Davis Arboretum. Along Putah Creek. Comment
  UCR257144  Phalaris minor George K. Helmkamp, Mary Alice Barnes 2013-5-8 20514 Yolo Southern Sacramento Valley, Yolo Bypass Wildlife Area, 0.9 mile southeast of the junction of Chiles Road and I-80, between Sacramento and Davis 13 Comment
  SACT001717  Phalaris minor M. Wiesendanger 1927-6-29 Yolo Comment
  CDA31219  Phalaris paradoxa M. Beyers 2010-5-12 454 Yolo Just east of County Road 87, along County Road 19 and an orchard drainage ditch here. 54 Comment
  HSC10577  Phalaris paradoxa Beecher Crampton 1958-5-20 4829 Yolo County Rd. 27 about 4 mi. S of Woodland. 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
  UCD21406  Phalaris paradoxa J. Shepard 2001-5-13 453 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, about 50 yards north of County Road 36 and 100 yards west of Department of Defense fence. 12 Comment
  UCD41217  Phalaris paradoxa John Snelling 1986-5-8 2 - Yolo City of Davis, Alvarado Avenue at Sycamore Avenue. Comment
  UCD89419  Phalaris paradoxa M. Wiesendanger 1927-5-4 658 Yolo Putah Canyon. Comment
  CAS-BOT-BC250860  Phleum pratense Clarence R. Quick 1970-7-8 70 -29 Yolo In lawn just south of house of Nettie M. Pylman, Merritt Island near Clarksburg Comment
  UCD89633  Phleum pratense Clarence R. Quick 1970-7-8 70 29 Yolo Just south of house of Nettie M. Pylman, Merritt Island near Clarksbrug. Comment
  SEINET893248  Phlomis fruticosa June McCaskill 1954-1 315 Yolo In yard at 914 D Street, Davis Comment
  UC1078898  Phoradendron macrophyllum Lauramay T. Dempster 1957-10-14 1426 Yolo in garden at Davis Davis Comment
  CAS-BOT-BC141060  Phoradendron serotinum subsp. macrophyllum Oakley Shields 1970-1-10 65 Yolo Jefferson Blvd. 10 miles S of Sacramento Comment
  UCD127925  Phoradendron serotinum subsp. macrophyllum A. M. Shapiro 2011-12-5 s.n. Yolo City of Davis. U.C. Davis campus. On a leafless deciduous tree at the NW corner of California Way and Storer Mall. 15 Comment
  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
  UCD125910  Phyla nodiflora Cay Collette 1975-5-10 10 Yolo Knight's Landing. Approximately 20 feet from the Sacramento River. 15 Comment
  UCD125918  Phyla nodiflora Edward J. Hall 1951-5-25 40 Yolo under west end of Yolo Causeway, Comment
  CHSC117306  Phyla nodiflora var. nodiflora B. Castro; Tom Boullion 2009-5-22 1783 Yolo Levee Repair Site Revegetation Monitoring: RM 85.6R.Sacramento Valley. Ca 3 air mi SE of Knights Landing, via Road 116B, W of 'Wild Irishman Bend' on topo map, on W bank of the Sacramento River at RM 85.6. 9 Comment
  JEPS84724  Phyla nodiflora var. nodiflora John W. Willoughby 1979-8-13 4421 Yolo fishing access along State Highway 128 about 1.2 mi nw junction of Hwy 128 and Pleasants Valley Rd (County Rd 86) (Putah Creek); Vaca Mountains, Putah Creek 60 Comment
  UCD126739  Physalis acutifolia J. M. Tucker 1962-8-1 3639 Yolo 1101 Ovejas Avenue, Davis. Comment
  UCD34967  Physalis acutifolia Beecher Crampton 1994-7-13 10270 Yolo Davis, 14th street. Comment
  UCD81555  Physalis acutifolia W. W. Robbins; W. D. Norton 1927-10-1 s.n. Yolo West of Davis. Comment
  CDA43430  Physalis lancifolia Kevin Martyn 2015-6-9 PDR# 570 P06217309 Yolo West of Knights Landing; River Garden Farms, Site A69. 0 Comment
  UCD126003  Physalis lancifolia Beecher Crampton 1953-8-17 1622 Yolo city of Davis, Davis High School. Comment
  UCD126764  Physalis lancifolia W. W. Robbins; W. D. Norton 1927-10-1 825 Yolo West of Davis. Comment
  UCD36455  Physalis lancifolia Beecher Crampton 1953-9-17 1622 Yolo city of Davis, Davis High School. Comment
  UCD136604  Pilularia americana Beecher Crampton 1978-5-8 9587 Yolo 1 mile southwest of Saxon Station. Comment
  SEINET10611985  Pinus canariensis Michael H. Nee 1988-8-18 Nee 36786 Yolo on Campus of U of California 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
  UCR188853  Pinus sabiniana George K. Helmkamp, E. A. Helmkamp 2007-9-17 12975 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
  SEINET242450  Piptatherum microcarpum Beecher Crampton 1962-4-26 T.O. 2430 Yolo UC Davis agronomy experimental area, plant instruction nursery, row B-42 Comment
  SEINET240096  Piptatherum microcarpum E. Smith 338 Yolo UC Davis agronomy experimental area, plant introduction nursery, row B - 42 Comment
  RSA657064  Piptatherum miliaceum Beecher Crampton 1956-7-12 3703 Yolo Davis, Putah Creek Comment
  UCD89659  Piptatherum miliaceum A. A. Beetle 1942-10-1 1893 Yolo Near Davis. Comment
  UCD89671  Piptatherum miliaceum Beecher Crampton 1971-10-1 8758 Yolo Davis, College Park X Russell Blvd. Northwest corner, in vacant lot. Comment
  UCD15444  Pistacia chinensis Jean Shepard 1996-11-14 s.n. Yolo California, Yolo Co.; city of Davis, along 5th street near intersection with 'L' street. Comment
  UCD121070  Plagiobothrys P. B. Kennedy 1915-4-26 s.n. Yolo Davis. 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
  UCR219517  Plagiobothrys canescens Jean V. Shepard 2000-4-21 144 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, 4 mi south on Mace Blvd. (Co. Road 104) from intersection of Hwy I-80 and Mace Blvd., east along unpaved entrance road, east of parking lot on the south side of road 12 Comment
  SEINET9289754  Plagiobothrys canescens Unknown 1955-4-18 2504 Yolo 2 mi. W of Winters. Dry, gravelly creek bed, oak woodland area. Comment
  UC1278095  Plagiobothrys canescens var. canescens Beecher Crampton 1955-4-18 2504 Yolo dry creek bed 2 mi w Winters Comment
  UC1278097  Plagiobothrys fulvus Beecher Crampton 1955-4-11 2473 Yolo ca 7 mi w Davis; Moon Ranch Comment
  UCR119105  Plagiobothrys fulvus var. campestris Beecher Crampton 1955-4-14 2473 Yolo Sacramento Valley, 7 miles west of city of Davis, Moon Ranch 30 Comment
  UCD36522  Plagiobothrys fulvus var. campestris Beecher Crampton 1954-4-15 1770 Yolo 2 miles west of city of Winters. Comment
  UCD55492  Plagiobothrys humistratus J. Shepard; E. Dean, B. Rice, P. and R. Unger, B. Salvia 2004-3-28 659 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east on unpaved entrance road .4 mi., about 40 yd. west of DOD fence, thence south .25 mi. South of posted vernal pool area. 10 Comment
  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
  SBBG115698  Plagiobothrys stipitatus B. Crampton 1996-4-22 10334 Yolo 3.5 mi SE of Woodland, along Mavis-Henson (Field) rd, just E of its jct with county Rd 102, just S of Rd 25 Comment
  UCD120991  Plagiobothrys stipitatus Fleur Ng'weno 1989-4-27 DQ 12 Yolo D-Q University County Road 31, 9 mi. west of Davis city center. 29 Comment
  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
  SEINET9353933  Plagiobothrys stipitatus Unknown 1996-4-22 10334 Yolo 3.5 miles SE of Woodland, along Mavis-Henson (Field) road, just E of its jct. with county road 102 and just south of road 25. Vernal meadow, capay silty clay soil series, dense. Comment
  UCD120989  Plagiobothrys stipitatus Fleur Ng'weno 1989-4-19 DQ 5 Yolo D-Q University County Road 31, 9 mi. west of Davis city center. 29 Comment
  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
  UCD120998  Plagiobothrys stipitatus Steven Slagle 1964-4-7 49 Yolo Yolo Bypass, 1 mile north of Causeway. Comment
  UCD120999  Plagiobothrys stipitatus J. M. Tucker 1951-3-25 2055 Yolo 1.1 miles north of Davis. Comment
  UCD35019  Plagiobothrys stipitatus Beecher Crampton 1998-5-18 10359 Yolo Yolo County, ca. 2.5 miles north of Davis along county road 29 just west of its jct. with county road 101A, T9N R2E sect 28. Comment
  UCD33976  Plagiobothrys stipitatus var. micranthus Beecher Crampton 1975-6-11 9215 Yolo Yolo County, 1/2 mile south of Saxon Station. Comment
  UCD38840  Plagiobothrys stipitatus var. micranthus Beecher Crampton 1958-6-27 4990 Yolo Yolo County; along county road 99 about three miles northwest of Davis. Comment
  CDA31055  Plagiobothrys stipitatus var. stipitatus Viola Popescu 2010-3-17 s.n. Yolo Aeromodelling Club. Rte 102 between Davis and Woodland. Comment
  UCD144444  Plagiobothrys stipitatus var. stipitatus Carol W. Witham 2003-4-7 876 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD164874  Plagiobothrys stipitatus var. stipitatus Henry House 1995-5-24 1995- 20 Yolo about 2 km ESE of the intersection of Delhi Road and Levee Road. 2 Comment
  CDA40652  Plagiobothrys stipitatus var. stipitatus G. D. Barbe 1987-4-3 4264 Yolo Yolo By-Pass, north of I-80, 5 miles east of Davis. 0 Comment
  UCD39081  Planodes virginica Beecher Crampton 1963-3-20 6713 Yolo UC Davis Campus, Alden Pond, Irrigation Dept. Project. Comment
  UCD81002  Plantago coronopus Drew Maraglia 2009-4-15 3 Yolo Mavis Henson Field, owned by city of Woodland. East side of County Road 102, just south of County Road 25. On west side of drainage pond. 9 Comment
  UCD158835  Plantago coronopus A. M. Shapiro 1995-9-3 s.n. Yolo Yolo County, West Sacramento, in mud along slough north of West Capitol Avenue. Comment
  JEPS81236  Plantago elongata L. R. Heckard, and J. C. Hickman 1982-4-7 5832 Yolo about 3 mi se Woodland (at corner of Road 25A and Road 103) Comment
  JEPS20850  Plantago erecta B. Crampton 1953-3-30 1045 Yolo about 9 mi w Dunnigan (Durst Ranch) 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
  UCD56728  Plantago erecta Ellen Dean; M. Bibbo 2007-3-23 3420 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SW portion of ranch. 703 Comment
  UCR148781  Plantago erecta Beecher Crampton 1953-3-30 1045 Yolo 8 mi west of Dunnigan, Durst Ranch 63 Comment
  UCD36176  Plantago erecta Beecher Crampton 1953-3-30 1045 Yolo 8 miles west of Dunnigan, Durst Ranch. Comment
  UCD67942  Plantago erecta Craig Homan 1977-4-8 3 Yolo Hwy. 128, 12 miles south of Winters. Comment
  UC735725  Plantago lanceolata Chas. Heiser 1947-7-6 1946 Yolo Davis Comment
  UC735741  Plantago major Chas. Heiser 1947-7-6 1947 Yolo Davis Comment
  UCD124508  Plantago major A. S. Crafts 1926-7-8 434 Yolo University Farm Campus, Davis. Comment
  UCD124511  Plantago major Chas. B. Heiser Jr. 1947-7-6 s.n. Yolo Davis. Comment
  UCD96080  Platystemon californicus C. J. W. 1914-3-1 s.n. Yolo UC Farm. Comment
  UCD168441  Plectritis ciliosa Ellen Dean 2017-3-15 9263 Yolo Audubon Bobcat Ranch, lands north of Hwy 128, just east of Monticello Dam. Bray Canyon and vicinity on the western side of ranch. Ranch burned once each year in 2014, 2015, 2016. 2017 has been a high rainfall year. Lower reaches of Bray Canyon, on east side of creek, upslope of road in oak woodland. 98 Comment
  UCD56748  Plectritis ciliosa Ellen Dean; M. Bibbo 2007-3-23 3440 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SW portion of ranch. 649 Comment
  UCD137578  Plectritis ciliosa Gary W. Sanderson 1960-4-21 315 Yolo Cache Creek Basin, State Highway 16, ca. 5 miles northwest of Rumsey. Comment
  UCD20804  Plectritis macrocera N. Nicola; C. Kremen 2001-3-16 20 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  UCD48236  Plectritis macrocera Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 19 Yolo McLaughlin UC Reserve. W side of Davis Creek Reservoir, along road that goes from Soda Spring area to Rayhouse Rd. Ca. 0.5 airline mile due N of Soda Springs and ca. 1.0 airline mile WNW of UC Davis Aquatic Lab facility. Along edges of running stream and slopes to the north and south of stream on the W side of the road. 487 Comment
  UCD56724  Plectritis macrocera Ellen Dean; M. Bibbo 2007-3-23 3416 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
  UCD137602  Plectritis macrocera J. D. Atkin 1952-5-1 1 B Yolo Portuguese Canyon, ca. 1 mile up to Putah Canyon from Recreation Beach. Comment
  UCD147300  Pleuropogon californicus Carol W. Witham 2003-4-11 941 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD90152  Pleuropogon californicus var. californicus Beecher Crampton 1973-4-16 8918 Yolo Saxon S.W. 1 Comment
  SEINET242430 Image available Poa D. Summer 1954-5-27 Yolo UC Davis Campus, Agronomy Experiemental Area. Comment
  UCD92177  Poa Beecher Crampton 1954-4-5 1753 Yolo 3 miles west of Winters. Comment
  UCD147301  Poa annua Carol W. Witham 2003-4-11 946 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD37379  Poa annua Beecher Crampton 1960-3-2 5478 Yolo Yolo County, city of Davis, University of California campus. Comment
  UCD90335  Poa annua Beecher Crampton 1962-7-26 s.n. Yolo Agronomy Experimental Areas, Davis Campus. Comment
  UCD90621  Poa bulbosa Beecher Crampton 1961-4-3 5848 Yolo city of Davis, Southern Pacific Railroad Station. Comment
  UCR119155  Poa bulbosa Beecher Crampton 1961-4-3 5848 Yolo Sacramento Valley, City of Davis. Southern Pacific railroad station. 15 Comment
  UCD91144  Poa howellii R. Tofsrud 1947-5-1 178 Yolo Above Ramsey. Comment
  UCD36174  Poa pratensis Beecher Crampton 1953-3-29 1038 Yolo Yolo County, city of Davis. Comment
  UCD91884  Poa pratensis Beecher Crampton 1962-4-26 s.n. Yolo Davis Campus, Agronomy Experimental Areas, Plant Introductory Nursery. Comment
  UCD58040  Poa secunda Ellen Dean; K. Mawdsley 2007-4-6 3579 Yolo Tuleyome Ireland Ranch. In inner coast range, NW of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 450 Comment
  UCD36255  Poa secunda subsp. secunda Beecher Crampton 1953-5-5 1210 Yolo 1.5 miles NE of Davis, along Road 102. Comment
  UCD37920  Poa secunda subsp. secunda Beecher Crampton 1962-5-1 6368 Yolo 1.5 miles SW of Saxon Station, Sacramento Northern Railroad, at junction of County Roads 105 and 38. Comment
  UCD90727  Poa secunda subsp. secunda Beecher Crampton 1953-3-23 1014 Yolo 2 miles W of Winters. Comment
  UCD90766  Poa secunda subsp. secunda Beecher Crampton 1953-5-5 1210 Yolo 1.5 miles NE of Davis. Comment
  UCD90813  Poa secunda subsp. secunda Beecher Crampton 1962-5-1 6368 Yolo 1.5 miles SW of Saxon Station, Sacramento Northern Railroad. Comment
  UCD90854  Poa secunda subsp. secunda Beecher Crampton 1970-4-13 8556 Yolo 1 mile N of Davis along Pole Line Road. Comment
  UCD90858  Poa secunda subsp. secunda Beecher Crampton 1973-4-16 8922 Yolo Winters W-2. Comment
  UCD92109  Poa secunda subsp. secunda M. Wiesendanger 1927-4-29 616 Yolo Esparto. Comment
  UCD125254  Pogogyne douglasii Beecher Crampton 1975-5-23 9202 Yolo 1 mile S.W. of Saxon Station. Comment
  HSC99334  Pogogyne douglasii subsp. douglasii C. B. Wolf 1928-5-8 2138 Yolo 12 mi. N of Dixon on the Pacific Hwy. Comment
  RSA0022176  Pogogyne zizyphoroides Carl B. Wolf 1928-5-8 2138 Yolo Sacramento Valley; 12 miles north of Dixon. Comment
  UCD69388  Poinciana gilliesii J. Shepard 1997-7-25 s.n. Yolo City of Davis. Found along the west side of Fifth Street near Pena. Shrub, flowers yellow, stamens red and exserted. Escaped from cultivation in the area. Comment
  UCD34302  Polycarpon tetraphyllum Beecher Crampton 1979-5-17 9684 Yolo Yolo County, Davis. Comment
  UCR36573  Polygonum argyrocoleon A. C. Sanders 1984-6-18 5062 Yolo Sacramento Valley, Sacramento Bypass near Bryte, just NW of Sacramento, bed of the bypass 1 mi west of the Sacramento River 5 Comment
  UCD99885  Polygonum argyrocoleon M. Ensign 1943-5-31 349 Yolo University Farm. Comment
  CAS-BOT-BC414159  Polygonum aviculare subsp. aviculare P. M. Goodwin 1932-5-3 s.n. Yolo Davis Comment
  UCD20600  Polygonum aviculare subsp. depressum E. Dean; with M. Bibbo 2002-7-5 1144 Yolo McLaughlin UC Reserve. 0.8 road miles S of Rayhouse Road reserve gate, along road to Soda Springs, W side of Davis Creek Resevoir. 493 Comment
  UCD99955  Polygonum aviculare subsp. depressum Rimo Bacigalupi; L. R. Heckard, C. L. Custer 1965-10-4 9130 Yolo Along north-south lateral (rd.) 0.9 mile north of Hebron siding (Sacramento Northern Railway). 1.9 miles east of Woodland flanking waste water disposal areas on both sides of road. 10 Comment
  UCD99836  Polygonum aviculare subsp. neglectum J. A. Ogle 1924-6-1 s.n. Yolo South of Dixon. Comment
  RSA97515  Polygonum californicum Beecher Crampton 1952-10-27 882 Yolo Yolo County: Depression along the railroad, alkaline soil, 3 miles N of Davis Comment
  UCD38281  Polygonum ramosissimum subsp. ramosissimum B. Crampton 1952-10-27 881 Yolo About 3 miles north of Davis. 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
  UCD91163  Polypogon maritimus Collector Unknown 1941-8-1 s.n. Yolo Peterson Ranch, Cache Slough. Comment
  HSC10836  Polypogon monspeliensis C. B. Wolf 1928-5-8 2152 Yolo 12 mi. N of Dixon on the Pacific Hwy. Comment
  UCD21291  Polypogon monspeliensis J. Shepard 2000-5-8 230 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road past parking lots. To defined track (rutted) running south. Along side of rutted track. 12 Comment
  UCD36112  Polypogon monspeliensis Beecher Crampton 1952-11-1 905 Yolo Yolo County, 1.5 miles north of city of Davis. Comment
  UCD91417  Polypogon monspeliensis Roger Zwanziger 1950-5-5 s.n. Yolo Putah Canyon. Comment
  CAS-BOT-BC520404  Polypogon viridis J. Shepard 1999-5-6 13 Yolo City of Davis. Intersection of Monarch Ln. and Campbell Pl, SE corner. 10 Comment
  UCD91448  Polypogon viridis Beecher Crampton 1955-5-24 2803 Yolo Yolo County, city of Davis. Comment
  CAS-BOT-BC102690  Populus fremontii Beecher Crampton 1986-9-23 10077 Yolo Putah Creek south of University airport Comment
  POM167062  Populus fremontii subsp. fremontii A. A. Heller, H. E. Brown 1902-4-29 5420 Yolo Near Madison. Comment
  UCD110620  Populus fremontii subsp. fremontii Cay Collette 1975-4-12 8 Yolo Knight's Landing. Approx. 15' from Sacramento River. 15 Comment
  UCSC001854  Potamogeton pectinatus J. E. Roadhouse 2007-4-15 1 Yolo Moores Ditch Comment
  UCD113974  Poterium sanguisorba D. H. Hartmann 1941-6-28 s.n. Yolo Davis, near Agronomy plots. Comment
  UCD146709  Proboscidea louisianica subsp. louisianica G. F. Hrusa 1998-7-5 14667 Yolo immediately south of Guinda on Highway 16. Comment
  LA26130  Prosopis glandulosa var. torreyana W. R. Russell; 1957-7-22 sn Yolo In neglected yard in central part of town, Winters Comment
  SEINET5737703 Image available Prosopis pubescens Shirley C. Tucker 1988-1 28889 Yolo Arboretum, University of California, Davis.; Univ. of California, Davis Comment
  UCD41091  Prunus N. Nicola 2003-3-13 248 Yolo Foothills of inner North coast range, Berryessa Valley, West of Winters; Terra Firma farm off Hwy 128. Comment
  SEINET10771515  Prunus dulcis Stephanie Frischie 2000-10-7 Frischie 126 Yolo Davis Farmers' Market, Davis, CA. Comment
  UCD113152  Prunus dulcis S. McKinney; C. Buchanan, R. Dippel 2002-4-27 17 Yolo west of the town of Davis. UC Davis Ecosystem Reserve. North side of Putah Creek, just west of the UC Davis Landfill on Pedrick Road. 30 Comment
  UCD20787  Prunus dulcis N. Nicola 2001-2-16 7NN 16 II01 Yolo Eastern foothills of inner North coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  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-BC357192  Pseudognaphalium luteoalbum Clarence R. Quick 1968-8-25 68 -16 Yolo Garden, Merritt Island, near junction of county roads #140 & 142, 3.5 miles south of Clarksburg Comment
  UCD20601  Pseudognaphalium luteoalbum E. Dean; with M. Bibbo 2002-7-5 1145 Yolo McLaughlin UC Reserve. Clover Valley, W of main road that goes N-S through valley. 457 Comment
  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
  RSA695732  Psilocarphus Keith E. Hoffmaster 1940-4-28 950 Yolo Putah Canyon Comment
  UCD35245  Psilocarphus brevissimus Beecher Crampton 1952-11-7 911 Yolo About 3 miles n.w. of Davis. Comment
  UCD63222  Psilocarphus brevissimus Ellen Dean; K. Mawdsley 2008-4-16 4801 Yolo southeast side of Woodland, Woodland Regional Park, just south of the intersection of County Roads 102 and 25, east side of road 102. Parking area between rodeo corrals and area just south of reservoir. 0 Comment
  UCD73037  Psilocarphus brevissimus Ellen Dean; Erika Smith and Casey Woodall 2008-5-12 4918 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
  UCD80926  Psilocarphus brevissimus Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5329 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Old rodeo parking area. 9 Comment
  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
  UCD21286  Psilocarphus brevissimus var. brevissimus J. Shepard 2000-5-1 181 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
  UCD21390  Psilocarphus brevissimus var. brevissimus J. Shepard 2001-4-27 434 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road approximately 0.25 miles. Growing in ruts on north side of road. 12 Comment
  UCD21389  Psilocarphus oregonus J. Shepard 2001-4-27 433 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road approximately 0.25 miles. Growing in ruts on north side of road. 12 Comment
  UCD73612  Psilocarphus oregonus Ellen Dean; Elizabeth Goebel 2008-4-7 4740 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat in the northeastern part of the ranch that is accessed by a private road at the end of Moody Slough Road. 70 Comment
  UCD73678  Psilocarphus tenellus Ayzik Solomeshch 2004-5-7 s. n. Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Northeastern part of ranch, Maxwell Flat area, accessed by private road that is at the end of Moody Slough Rd. 71 Comment
  UCD21415  Psilocarphus tenellus var. tenellus J. Shepard 2002-4-6 506 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. South along north to south access road, approximately 100 yards to vernal pool area. 12 Comment
  RSA0054940  Psoralea Keith E. Hoffmaster 1939-4-26 933 Yolo Putah can. Comment
  SEINET9325382  Pterostegia drymarioides Unknown 1993-4-18 10780 Yolo Stebbins Cold Canyon Reserve Comment
  CAS-BOT-BC239829  Puccinellia nuttalliana Beecher Crampton 1978-6-26 9604 Yolo 4 miles S.E. of Woodland Comment
  UCD93425  Puccinellia nuttalliana Beecher Crampton 1973-6-22 8959 Yolo 3 miles southeast of Woodland (in direct line.) County roads 25 X 103. 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
  UCD34248  Puccinellia simplex Beecher Crampton 1978-6-26 9605 Yolo Yolo County, 4 miles S.E. of Woodland, T9N R2E sect. 11 N.E. 1/4. Comment
  UCD34470  Puccinellia simplex Beecher Crampton 1985-4-10 9914 Yolo Yolo County, 3.5 miles S.E. of Woodland. Comment
  UCD37535  Puccinellia simplex Beecher Crampton 1955-3-21 2331 Yolo Yolo County, 2.5 miles northeast of city of Davis. Comment
  UCD92215  Puccinellia simplex A. A. Beetle 1946-4-15 4370 Yolo Woodland airport. Comment
  UCD92231  Puccinellia simplex Beecher Crampton 1961-3-27 5846 Yolo Yolo County, 1.5 miles north of city of Davis. Comment
  UCD92242  Puccinellia simplex Beecher Crampton 1978-8-14 9663 Yolo Yolo County, ca. 3 miles east of Woodland along Hwy.16, 1 mile east of its junction with county road 102. Comment
  SEINET10508331  Puccinellia simplex Laura A. Blankinship 1893-5-6 Blankinship s.n. Yolo Woodland Comment
  SEINET10825279  Pyrus Stephanie Frischie 2000-10-7 Frischie 125 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET10878031  Pyrus Stephanie Frischie 2000-10-7 Frischie 107 Yolo Davis Farmers' Market, Davis, CA. Comment
  UCD47039  Quercus X morehus Vincent Forcella 1987-11-22 s.n. Yolo California, Yolo County: State Highway 16, ca. a few miles north of Ginda; by a culvert at roadside. Comment
  CAS-BOT-BC105015  Quercus X morehus B. Crampton 1956-2-7 3217 Yolo N bank of Putah Creek, 1/4 mile E of Recreation Beach, Vaca Mtns. Comment
  SEINET4077596  Quercus agrifolia J. M. Tucker 1962-1 3645 Yolo Off northwest corner of Agricultural Engineering Building, University of California campus, Davis. Comment
  SEINET4077597  Quercus agrifolia J. M. Tucker 1962-1 3645 Yolo Off northwest corner of Agricultural Engineering Building, University of California campus, Davis. Comment
  UCD162951  Quercus berberidifolia Craig Thomsen 2006-6-13 2669 Yolo Ridgeline trail (accessed at turn-out across the road from Camp Haswell), approximately 0.5 mile south of Hwy 16. Yolo County park adjacent to Cache Creek. Rumsey Canyon. 457 Comment
  UCD45212  Quercus berberidifolia Don K. Sexton 1955-10-16 s.n. Yolo (appears to be form of southern California islands, approaching Q. macdonaldi Green). By railroad signal across from trailer court along Old Davis Highway (Olive Road). Davis, Yolo County, California Comment
  UCD56695  Quercus berberidifolia Ellen Dean 2006-10-27 3304 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. 640 Comment
  UCD45476  Quercus chrysolepis Don K. Sexton 1955-10-16 s.n. Yolo Along U.S. Highway 40 near point of intersection with Old Davis Highway (Olive Road), ca. 1/2 mile east of Davis, Yolo County, California. Comment
  UC993154  Quercus douglasii J. M. Tucker 1948-9-22 1870 Yolo 1.3 mi w Guinda Comment
  UC993156  Quercus douglasii J. M. Tucker 1948-9-22 1870 Yolo 1.3 mi w Guinda Comment
  UC993158  Quercus douglasii J. M. Tucker 1948-9-22 1870 Yolo 1.3 mi w Guinda Comment
  UCD45763  Quercus douglasii Beecher Crampton 1968-8-6 8340 Yolo 3 miles west of Winters, along State Hwy. 128. Comment
  UCD45872  Quercus dumosa Don Sexton 1955-10-16 85 Yolo Old Davis Highway, by railroad signal across from trailer court, Davis, California. Comment
  JEPS84701  Quercus lobata John W. Willoughby 1977-5-12 2421 Yolo 2.9 mi w State Highway 128 junction with County Road 86 (along State Highway 128, between road and Putah Creek); Vaca Mountains Comment
  SACT002668  Quercus lobata John Willoughby 1977-4-27 Yolo At fishing access along State Highway 128 about 2.9 miles northwest of the junction of the highway and Pleasants Valley Road, riparian woodland. Comment
  UCD20585  Quercus lobata E. Dean; with M. Bibbo 2002-7-5 1128 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 2 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 472 Comment
  UCD46816  Quercus lobata M. Henry 1972-1-28 s.n. Yolo Vally Oak. Mrak Hall, UCD. Comment
  UCD47276  Quercus shumardii Don K. Sexton 1955-10-16 s.n. Yolo Interstate 80, Highway 40, along railroad tracks just north of Davis, California, near Armco plant. Comment
  UCD47278  Quercus shumardii Don K. Sexton 1955-10-16 s.n. Yolo Along railroad tracks along north side of U.S. Highway 40, near Armco Plant ca. 1 mile east of Davis, Yolo County, California. Comment
  UCD160925  Quercus virginiana J. Shepard 2011-11-7 860 Yolo City of Davis. From intersection of Covell and Alhambra, 1/4 mi S on Alhambra, W side of street. 10 Comment
  UCD47483  Quercus virginiana Don K. Sexton 1955-10-16 s.n. Yolo Center strip of U.S. Highway 40, few miles east of Davis, Yolo County, California. Comment
  RSA735199  Quercus wislizeni Keith E. Hoffmaster 1946-3-29 1066 Yolo Putah Canyon, near Napa County line. Comment
  CAS-BOT-BC539331  Quercus wislizeni John M. Tucker 2002-3-27 4550 Yolo University of California Davis, Arboretum, S side of arboretum waterway, ca 100 yds E of Environmental Horticulture buildings Comment
  UC1228171  Rafinesquia californica Beecher Crampton 1961-5-22 5875 Yolo 5 mi w Winters (along Calif Hwy 128) Comment
  UCD38972  Rafinesquia californica Beecher Crampton 1961-5-22 5875 Yolo 5 miles west of Winters along State Hwy. 128. Comment
  UCD95853  Ranunculus aquatilis var. diffusus E. M. Johnston 1916-4-1 s.n. Yolo Woodland. Comment
  UC118242  Ranunculus hebecarpus J. W. Blankinship 1893-4-15 Yolo Madison Comment
  UCD160474  Ranunculus occidentalis Ellen Dean; Craig Thomsen 2015-3-21 8591 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
  UCD22456  Raphanus Joe Di Tomaso 2003-7-15 s.n. Yolo University Farm. Grass flats, Field A. Comment
  UCD80917  Raphanus raphanistrum Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5321 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. 9 Comment
  CDA30836  Raphanus sativus M. Beyers 2010-5-12 436 Yolo On strip of median that separates north and southbound I-505. 43 Comment
  UCD115170  Raphanus sativus Cay Collette 1975-5-10 14 Yolo Knight's Landing. Approximately 100 feet from the Sacramento River. 15 Comment
  UCR237590  Raphanus sativus George K. Helmkamp, E. A. Helmkamp 2012-3-9 18615 Yolo Sacramento Valley, County Road 16, 2.1 miles east of its junction with County Road 102; at the area where the road turns sharply north, c. 4 miles NE of Woodland 17 Comment
  UCD115171  Raphanus sativus Beecher Crampton 1953-4-27 s.n. Yolo 3 miles west of Winters. Comment
  UCD15497  Raphanus sativus Larry Reynolds 1984-5-5 3 Yolo Putah Creek at Pedrick Road. 21 Comment
  UCD39098  Raphanus sativus Beecher Crampton 1964-4-8 6921 Yolo 3 miles west of Winters Hwy. 128. Comment
  RSA96673  Rhamnus tomentella subsp. tomentella Percy C. Everett, E. K. Balls 1954-10-19 20369 Yolo 6.9 miles SW from jct of Hwy 20 on raod from Rumsey to Knoxville and lower Lake. 366 Comment
  UC735732  Rhaponticum repens Chas. Heiser 1947-6-19 1934 Yolo West Sacramento Comment
  SBBG4069  Rhus aromatica H. E. Cott 1949-5-21 122 Yolo Putah Cyn, ca. 2.5 mi from cyn mouth Comment
  SEINET3823157 Image available Rhus aromatica var. trilobata Annetta Carter 1938-5-7 1369 Yolo Cache Creek Canyon, 3.6 mi north of Rumsey 152 Comment
  SEINET4178239 Image available Rhus diversiloba Neil A. Harriman 1988-1 18610 Yolo Along Putah Creek beside state route 128 below Berryessa Lake, at Fishing Area #5. Comment
  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
  SEINET10494637  Rhus trilobata Annetta M. Carter 1938-5-7 Carter 1369 Yolo Shrubs 3 to 4 1/2 ft high, fruit with tart, clammy-viscid coating; forming dense colony 50 ft in diameter; gentle N-facing slope, open Quercus wislizenii, Q. douglasii, Pinus sabiniana association, Cache Creek Canyon, 3.6 mi N of Rumsey. 152 Comment
  UCD102287  Ribes malvaceum C. H. Beardslee 1937-2-15 s.n. Yolo Putah Canyon. Comment
  CAS-BOT-BC74440  Rorippa curvisiliqua Roxana Stinchfield 1916-6-25 318 Yolo In Buckeye Creek bed near Tule. Comment
  CAS-BOT-BC74442  Rorippa curvisiliqua Roxana S. Ferris 1917-4-20 696 Yolo Tule land near Dunnigan. Comment
  CAS-BOT-BC146359  Rosa Beecher Crampton 1987-4-25 10095 Yolo Solano County border, Mace road crossing of south fork of Putah Creek, ca. 3 miles S.E. of Davis Comment
  CDA33736  Rosa californica D. G. Kelch 2010-6-3 10 .242 Yolo 1 km E of Mace Blvd exit between Hwy I-80 and RR tracks. Comment
  UCD20865  Rosa californica N. Nicola 2001-7-5 82 Yolo Sacramento Valley: 4 miles west of Woodland, at Cache Creek Nature Preserve, riparian zone of Cache Creek. Comment
  UCR146299  Rosa californica Beecher Crampton 1987-4-25 10095 Yolo Sacramento Valley, Yolo / Solano County border, Mace Blvd. crossing of south fork of Putah Creek, c. 3 mi SE of Davis 9 Comment
  CAS-BOT-BC146874  Rosa rubiginosa Beecher Crampton 1986-11-5 10078 Yolo Solano County border, ca. 3 miles S.E. of Davis, Mace road crossing at south fork of Putah Creek Comment
  UCD92277  Rostraria cristata Beecher Crampton 1955-5-5 2745 Yolo along Putah Creek, Recreation Beach, 9 miles west of city of Winters, Vaca Mtns. Comment
  UCD92309  Rostraria cristata R. Tofsrud 1949-5-1 s.n. Yolo ca. 3 miles west of Winters. Comment
  RSA262372  Rotala indica J. F. williams 1978-10-8 s.n. Yolo Yuba County: Tanabe Road, NE of Marysville. Comment
  UCD142968  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
  UCD23200  Rumex conglomeratus A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UC452563  Rumex crispus Tracy J. Storer 1912-6-27 Yolo Rumsey Comment
  UCD23199  Rumex crispus A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCR257138  Rumex crispus George K. Helmkamp, Mary Alice Barnes 2013-5-8 20507 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
  HSC83420  Rumex crispus Todd K. Fuller 1975-5-3 3 Yolo Putah Creek at Co. Rd. 98 Comment
  SEINET4199900  Rumex crispus Schank 1959-3-28 s.n. Yolo 10 mi N of Davis on a back country road 15 Comment
  CDA22905  Rumex dentatus D. G. Kelch 2007-5-18 7 .328 Yolo Yolo Causeway, 0.4 mi E of Levee Rd. / RR crossing. Comment
  UCR198248  Rumex dentatus Dean Kelch 2007-5-18 07 .328 Yolo Yolo Causeway, 0.4 mi east of Levee Road/RR Crossing 4 Comment
  CAS-BOT-BC433499  Rumex fueginus Roxana Stinchfield 1916-6-25 313 Yolo Near mouth of Buckeye Creek Comment
  UCD81390  Rumex occidentalis M. Wiesendanger 1927-4-29 591 Yolo Davis. University Farm. Comment
  UCD81391  Rumex occidentalis M. Wiesendanger 1927-4-29 591 Yolo Davis. University Farm. Comment
  UCSB31252  Sabal texana Vernon I. Cheadle 1958-8-13 G 513 Yolo collected in the Botany Department Greenhouse of the University of California, Davis Botany Dept. Greenhouse Comment
  RSA735360  Salix Keith E. Hoffmaster 1946-4-13 1235 Yolo Putah Canyon. Comment
  RSA735361  Salix Keith E. Hoffmaster 1946-4-13 1236 Yolo Putah Canyon. Comment
  UCD41158  Salix N. Nicola 2002-4-10 176 Yolo Eastern foothills of inner north coast range, Berryessa Valley. About 1.2 miles as the crow flies east of Monticello Dam, off of Hwy 128, south side of creek. Comment
  UCD39827  Salix babylonica Beecher Crampton 1987-4-17 s.n. Yolo City of Davis; Davis High School, SW corner. Comment
  UCD41073  Salix babylonica Carol W. Witham 2003-8-8 1004 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  SBBG50696  Salix breweri A. Wheaton 1962-4-23 27 Yolo near St Hwy 128, ca. 1.5 mi W of jct with Pleasants Valley Rd Comment
  UCD110798  Salix breweri Edward L. Smith 1967-8-10 910 Yolo Putah Creek Canyon, 7 miles west of Winters. 76 Comment
  CDA12889  Salix exigua G. F. Hrusa 1996-3-25 12695 Yolo Central Valley; S bank of Tule Canal, approx. 1/2 mile E of Interstate 5 on S side of Yolo Bypass. Comment
  CDA12890  Salix exigua G. F. Hrusa 1996-3-25 12696 Yolo Central Valley; S bank of Tule Canal, approx. 1/2 mile E of Interstate 5 on S side of Yolo Bypass. Comment
  RSA273250  Salix exigua Glenn A. Gorelick 1965-10-3 s.n. Yolo Davis. Near Putah Creek at Low Water Bridge. 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
  UCD34614  Salix exigua Beecher Crampton 1986-9-3 10061 Yolo Yolo County, 4 miles N.W. of Davis, Willow Slough and road 99. Comment
  UC437344  Salix exigua var. hindsiana Tracy I. Storer 1912-6-29 Yolo Rumsey Comment
  CAS-BOT-BC104025  Salix gooddingii H. K. Wagnon 1983-4-25 1716 Yolo West Sacramento near the locks along Sacramento River Comment
  CAS-BOT-BC104029  Salix gooddingii A. A. Heller 1902-4-29 5419 Yolo Near Madison Comment
  CDA12891  Salix gooddingii G. F. Hrusa 1996-3-25 12697 Yolo Central Valley; Tule Canal, approx. 1/2 mile E of Interstate 5 on S side of Yolo Bypass. Comment
  SBBG83455  Salix gooddingii D. Neubacher 1975-5-2 14 Yolo Cache Crk area, St Hwy 16, ca. 2.3 mi N of Rumsey 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
  UC66168  Salix gooddingii A. A. Heller 1902-4-29 5419 Yolo near Madison Madison Comment
  UC75011  Salix gooddingii C. F. Baker 1903-5-7 2936 Yolo Rumsey Comment
  CAS-BOT-BC104059  Salix hindsiana Roxana Stinchfield 1916-7-1 334 Yolo mouth of Buckeye Cr. Comment
  CAS-BOT-BC106959  Salix laevigata Beecher Crampton 1987-3-31 10090 Yolo 6.5 miles west of Winters along Putah Creek Comment
  SBBG83461  Salix laevigata C. de Leon 1975-5-4 29 Yolo Putah Crk, 2 mi E on St Hwy 128 from Monticello Dam 201 Comment
  UCD111107  Salix laevigata Beecher Crampton 1958-4-29 4751 Yolo County road 32 and 95A ca. 5 miles west of Davis. Comment
  UCD111141  Salix laevigata Milton Workman 1953-3-21 14 Yolo Putah Creek bank near rodeo arena, University of California, Davis. 12 Comment
  UCD161080  Salix laevigata Craig Thomsen 2006-6-30 2624 Yolo Rumsey Canyon along Cache Creek. Otis-Camp Haswell Yolo County Park. West side of Cache Creek. 144 Comment
  UCD34605  Salix laevigata Beecher Crampton 1986-8-26 10052 Yolo Yolo County, ca. 5-6 miles west of Winters along Putah Creek, public access area. Comment
  CAS-BOT-BC227678  Salix lasiandra Beecher Crampton 1986-9-3 10063 b Yolo 4.5 miles north of Davis, Willow Slough and road 27 Comment
  CAS-BOT-BC125156  Salix lasiandra var. lasiandra Beecher Crampton 1987-5-11 10117 Yolo County road 103 and Willow Slough 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
  UCD34627  Salix lasiandra var. lasiandra Beecher Crampton 1986-9-10 10073 Yolo Yolo County, 1/2 mile north of Capay, north edge of Cache Creek. Comment
  UCD34672  Salix lasiandra var. lasiandra Beecher Crampton 1987-5-5 10116 Yolo Yolo County, County road 98 and Dry Slough, T9N R2E very S.W. corner of Sect. 30 and N.W. corner of Sect. 31. Comment
  CAS-BOT-BC106976  Salix lasiolepis Beecher Crampton 1976-1-5 9343 Yolo ca. 5.5 miles west of Winters along Hwy. 128. Banks of Putah Creek Comment
  UCD33987  Salix lasiolepis Beecher Crampton 1975-6-24 9227 Yolo Yolo County, Putah Creek Canyon, 6.5 miles west of Winters. Comment
  UCD34643  Salix lasiolepis Beecher Crampton 1987-3-31 10088 Yolo Yolo County, 6.5 miles west of Winters along Putah Creek. 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
  UCD34619  Salix melanopsis Beecher Crampton 1986-9-4 10065 Yolo Yolo County, Solano County border, Mace road crossing at south fork of Putah Creek ca. 3 miles S.E. of Davis. Comment
  CAS-BOT-BC403784  Salpichroa origanifolia Q. L. Holdeman 1970-6-12 s.n. Yolo N.W. corner of 5th & G Streets, Davis Comment
  UCD162404  Salpichroa origanifolia Beecher Crampton 30 Nov1953 1741 Yolo University of California Davis. 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
  SEINET3866171  Salsola tragus J. Shepard 2000-10-24 346 Yolo East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. East of first parking lot on south side.; 0 12 Comment
  UCD149334  Salsola tragus Collector Unknown 1932-5-31 s.n. Yolo City of Woodland. 25 Comment
  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
  UCD15077  Sambucus mexicana Steven E. Smith 1977-5-4 21 Yolo California, Yolo Co.; U.C. Davis, 30 m. north of the bank of the south fork of Putah Creek (1/2 mile) east of Old Davis Road and 1.5 miles south of Mrak Hall; 15 Comment
  CAS-BOT-BC245833  Sambucus nigra subsp. caerulea Roxana Stinchfield 1916-6-25 329 Yolo Buckeye Creek, Goodin Ranch 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
  UCD20861  Sambucus nigra subsp. caerulea N. Nicola 2001-2-5 78 Yolo Sacramento Valley, 4 miles west of Woodland, at Cache Creek Nature Preserve, riparian zone of Cache Creek. Comment
  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
  UCD70451  Sambucus nigra subsp. caerulea E. D. Appenzeller 1995-5-29 13 Yolo City of Davis, UC Davis campus, near Putah Creek. Comment
  UCD137653  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
  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
  UCD128000  Sanicula bipinnata Ogden C. Riddle 1942-3-30 40 Yolo south Putah Canyon. Comment
  UCD47836  Sanicula bipinnata A. Laffin; A. Randall, S. Holck 2002-4-13 19 Yolo Yolo Co, McLaughlin UC Reserve. W side of Davis Creek Reservoir, along road that goes from Soda Spring area to Rayhouse Rd. Ca. 0.5 airline mile due N of Soda Springs and ca. 1.0 airline mile WNW of UC Davis Aquatic Lab facility, south of running stream, 9 yards from north side of road. Ca. 1600 ft. 457 Comment
  HSC62752  Sanicula bipinnatifida J. M. DiTomaso 1979-5-12 986 Yolo 3.9 mi. E of Yolo-Colusa County line on Rd. 128, below Lake Berryessa 76 Comment
  SEINET11155872  Sanicula bipinnatifida Unknown 1967-3-17 s.n. Yolo Near Winters. Comment
  UCD41124  Sanicula bipinnatifida K. Arhangelsky 2002-3-23 142 Yolo Eastern foothills of inner north coast range, Capay Valley; outside Rumsey. Comment
  RSA29243  Sanicula bipinnatifida Joseph A. Ewan 1934-3-18 8692 Yolo Putah Creek, 6 mi. above Winters. Comment
  RSA0048657  Sanicula menziesii Keith E. Hoffmaster 1946-4-13 1258 Yolo Putah Can. Comment
  UCD47843  Sanicula tuberosa Ryan Knox; E. McDermott, G. Walden 2002-4-13 23 Yolo Yolo Co., McLaughlin UC Reserve, W side of Davis Creek Reservoir, along road that goes from Soda Spring area to Rayhouse Rd. 0.5 airline mile due N of Soda Springs and 1.0 airline mile WNW of UC Davis Aquatic Lab facility. 516 Comment
  UCD39770  Sapium sebiferum Beecher Crampton 1980-7-14 s.n. Yolo UC Davis Campus Faculty Club. Comment
  UCD128063  Scandix pecten-veneris Vincent Chang 1966-3-24 20 Yolo State Highway 128, 2 miles west of Winters. 39 Comment
  UCD65960  Schedonorus arundinaceus P. Stern 1988-5-21 14 Yolo Davis. Riparian area in greenbelt north of 'F' and Covell Sts. Comment
  UCR36586  Schoenoplectus acutus var. occidentalis 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
  UCD81848  Schoenoplectus pungens Ellen Dean; M. Showers, G. Harrington 2009-6-3 5767 Yolo Woodland Regional Park. City of Woodland property on the E side of County Road 102, just S of County Road 25. Along E edge of drainage pond. 9 Comment
  UCD124839  Scrophularia californica Gary W. Sanderson 1960-4-13 253 Yolo Cache Creek Basin, State Highway 16, ca. 5 miles northwest of Rumsey. Comment
  UCR106853  Scrophularia californica subsp. californica Allen Gilbert 1974-4-28 29 Yolo 5 mi east of Monticello dam, on Hwy 128, near Putah Creek 61 Comment
  UCD41137  Scutellaria tuberosa D. Lowry 2002-4-23 192 Yolo Eastern foothills of inner north coast range, Capay Valley. Ranch near Rumsey. Comment
  UCD20792  Senecio vulgaris N. Nicola 2001-3-14 008 Yolo Sacramento Valley, 4 miles west of Woodland, at Cache Creek Nature Preserve, riparian zone of Cache Creek. Comment
  CAS-BOT-BC364703  Senecio vulgaris Beecher Crampton 1977-3-2 9449 Yolo Davis 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
  UCD34128  Senecio vulgaris Beecher Crampton 1977-3-2 9449 Yolo Yolo County, Davis. Comment
  UCD108486  Sesbania herbacea L. D. Davis 1950-8-1 s.n. Yolo About 2 miles south of Knights Landing. Comment
  CDA32085  Sesbania punicea C. Owens 2010-9-2 s.n. Yolo West banks of the Sacramento River at Stan s Yolo Marina. 0 Comment
  UCD19375  Sesbania punicea E. Dean 2001-8-1 880 Yolo City of Davis. 2550 Sycamore Lane, Dos Pinos Housing Cooperative, courtyard of unit 3B. 15 Comment
  UC2061695  Sesuvium verrucosum Ellen Dean, C. Robbins 2013-8-28 7990 Yolo Eastern edge of the City of Woodland. Property owned by the City of Woodland. North of Gibson Road extension on E side of Pole Line Rd. (County Rd. 102); north of existing sewer plant in an area that once had evaporation ponds. Area was recently used as borrow pit for the raised soil slab that has been prepared for the Woodland- Davis water treatment plant construction project (for clean drinking water.) Borrow pit is just south of that slab. Comment
  UCD143934  Sesuvium verrucosum Ellen Dean; C. Robbins 2013-8-28 7990 Yolo Eastern edge of the City of Woodland. Property owned by the City of Woodland. North of Gibson Road extension on E side of Pole Line Rd. (County Rd. 102); north of existing sewer plant in an area that once had evaporation ponds. Area was recently used as borrow pit for the raised soil slab that has been prepared for the Woodland- Davis water treatment plant construction project (for clean drinking water.) Borrow pit is just south of that slab. 0 Comment
  SBBG115366  Setaria parviflora B. Crampton 1965-7-27 7474 Yolo ca. 2.5 mi NNW of Davis on US Hwy 99 Comment
  UCD92583  Setaria parviflora Beecher Crampton 1965-7-27 7474 Yolo 2.5 miles N.N.W. of Davis on US Hwy. 99. Comment
  UCD92621  Setaria parviflora Arthur M. Shapiro 1982-8-31 s.n. Yolo UCD campus, edge of bike path near Ryerson Hall just east of La Rue Road. Comment
  CAS-BOT-BC243655  Setaria pumila Clarence R. Quick 1968-8-25 68 -05 Yolo Garden, Merritt Island, near junction of county roads #140 and #142, 3.5 miles south of Clarksburg Comment
  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
  UCD92701  Setaria pumila Beecher Crampton 1955-9-29 3163 Yolo 1.5 north of city of Davis, along U.S. Highway 99W. Comment
  UCD32794  Setaria verticillata Beecher Crampton 1954-9-9 2269 Yolo Yolo County, 2 miles north of Davis, bean field. Comment
  UCD92824  Setaria verticillata R. N. Raynor 1939-7-15 s.n. Yolo Yolo County. Comment
  UCR119153  Setaria verticillata Beecher Crampton 1964-8-3 7137 Yolo Sacramento Valley, Davis. 15 Comment
  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
  UCD92844  Setaria viridis Beecher Crampton 1973-9-11 8999 Yolo UC Davis campus, rabbit study area in south Agronomy Fields. Comment
  UCD92867  Setaria viridis J. D. Skoss 1948-8-12 86 Yolo Davis. Pomology Orchard on UC campus. Comment
  UC1221007  Sibara virginica Beecher Crampton 1963-3-20 6713 Yolo Alden Pond , Alden Pond (UC Davis campus) Comment
  JEPS50072  Sidalcea diploscypha W. L. Jepson 1884-5-1 14078 Yolo w Winters (Putah Canyon); , w of Winters Comment
  UC187416  Sidalcea keckii J. W. Blankinship 1893-5-30 Yolo Capay Valley Comment
  UCD72403  Sidalcea keckii Ellen Dean; C. Witham, R. Preston, J. Buck 2007-4-20 3707 Yolo Dept. of Fish and Game Tule Ranch property, SW of the intersection of County Roads 106 and 38 (continue S through gate on extension of C.R. 106, turn west to farm structures). 1 Comment
  UCD116623  Sidalcea keckii Fleur Ng'weno 1989-5-1 DQ 27 Yolo D-Q University County Road 31, 9 miles west of Davis city center. 30 Comment
  UCD116638  Sidalcea keckii Craig Thomsen 1993-4-1 1796 Yolo at corner of Road 96 and Yellowstone, NW end of city of Davis. Comment
  UC75046  Silene californica C. F. Baker 1903-5-8 2978 Yolo along banks Cache Creek Canyon Cache Creek Canyon Comment
  POM181694  Silene gallica L. F. Robbins 1927-3-26 s.n. Yolo Putah Canyon. Comment
  UCD149352  Silene gallica R. Gay 1954-4-14 s.n. Yolo City of Madison, V. Mast Ranch. 44 Comment
  UCD135838  Silybum marianum Alan P. Godlewski 1974-4-27 s.n. ` Yolo south of Environmental Horticulture on the UC Davis campus. Comment
  UCD73650  Sinapis Jean Shepard 2006-4-22 791 Yolo City of Davis. 3100 Loyola Ave. Grounds of Korematsu school. Comment
  UCD73651  Sinapis Jean Shepard 2006-4-22 792 Yolo City of Davis. 3100 Loyola Dr. Grounds of Korematsu Elementary School. Comment
  UCD115403  Sinapis alba A. S. Crafts 1926-7-8 441 Yolo Davis, University Farm Campus. Comment
  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
  CDA3902  Sinapis arvensis Margaret Bellue 1933-6-6 Yolo 0 Comment
  UCD115405  Sinapis arvensis A. S. Crafts 1932-6-6 1 Yolo Boyer Ranch, near Davis. Comment
  UCD115441  Sinapis arvensis M. Sokoloff 1924-6-1 17 Yolo Davis. Comment
  CAS-BOT-BC75046  Sisymbrium altissimum P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Company. Clarksburg. Sacramento River. Comment
  UCD160366  Sisymbrium irio Jean Shepard 2010-4-24 838 Yolo City of Davis, downtown, between G St. and RR track and between 3rd and 4th Sts. in an alley. Comment
  UCD62853  Sisymbrium officinale 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. 100 Comment
  UCD115726  Sisymbrium officinale A. S. Gaurrere 1924-6-1 s.n. Yolo near Davis. 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
  CDA5910  Solanum cardiophyllum T. C. Fuller 1969-8-7 18855 Yolo Veg. Crops Dept., University of California, Davis. 0 Comment
  UCD126840  Solanum cardiophyllum Paul Smith 1969-8-21 s.n. Yolo Vegetable Crops Department's Campbell Tract, University of California campis, Davis. Comment
  UCD126841  Solanum cardiophyllum Paul Smith 1969-8-21 s.n. Yolo Vegetable Crops Department's Campbell Tract, University of California campis, Davis. Comment
  UCD68077  Solanum carolinense A. M. Shapiro 1996-5-19 s.n. Yolo University of California, Davis, East of Buehler Alumni Center, in daylily border. Comment
  UCD149360  Solanum elaeagnifolium H. Levier 1931-6-24 s.n. Yolo City of Davis. 15 Comment
  UCR197989  Solanum elaeagnifolium Beecher Crampton 1953-8-17 1623 Yolo Sacramento Valley, city of Davis, University of California campus, north side of Agronomy seed warehouse 16 Comment
  CDA41198  Solanum elaeagnifolium G. D. Barbe 1985-6-18 4234 Yolo Delmonte Street and Harbor Boulevard, Port of Sacramento, West Sacramento. 0 Comment
  NY826941  Solanum elaeagnifolium B. Crampton 1964-8-2 7136 Yolo 3 miles north of Davis. Southern Pacific railroad. Comment
  UCD126034  Solanum elaeagnifolium Beecher Crampton 1960-10-4 5784 Yolo UC-Davis Campus, northeast of Agronomy Warehouse. Comment
  UCD126900  Solanum elaeagnifolium Charles B. Heiser Jr.; Walter Russell 1946-5-20 s.n. Yolo campus, University of California, Davis. Comment
  SEINET10780157  Solanum melongena Stephanie Frischie 2000-9-30 Frischie 99 Yolo Davis Farmers' Market, Davis, CA. Comment
  UCD126958  Solanum melongena C. J. W. 1914-10-1 s.n. Yolo University of California Farm, Davis. 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
  UCD126947  Solanum nigrum Charles B. Heiser Jr. 1947-5-30 s.n. Yolo 1st and F Streets, Davis. Comment
  UCD126962  Solanum parishii Charles F. Battaglia 1998-5-31 027 Yolo Highway 16, approx. 23 miles north of town of Esparto, 2.5 miles north of town of Rumsey. On north-bound lane side, near two pullouts overlooking large pools and waterfalls and just south of sharp turn on Cache Creek. 76 Comment
  UCD126983  Solanum parishii H. B. Nidever 1951-5-26 35 Yolo 2 miles north of Rumsey, Cache Creek Canyon. 137 Comment
  UCD126995  Solanum parishii M. Wiesendanger 1927-5-4 642 Yolo Putah Canyon. 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
  CDA5990  Solanum rostratum T. C. Fuller, J. Bartels 1959-9-1 2993 Yolo County Road 20-96. 0 Comment
  UCD149349  Solanum umbelliferum Yolo County 4H Club 1932-10-6 s.n. Yolo Yolo County. 15 Comment
  UCD20811  Solanum xanti N. Nicola; C. Kremen 2001-3-16 028 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  UCD111530  Soleirolia soleirolii W. R. Russell 1959-4-2 s.n. Yolo 619 F Street, Davis. Comment
  UCR118879  Solidago occidentalis Beecher Crampton 1961-10-25 6040 Yolo Sacramento Valley, 4 miles northwest of Bryte. Yolo Bypass. 15 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
  UCD136128  Sonchus asper subsp. asper A. S. Crafts 1926-7-8 425 Yolo University Farm Campus, Davis. Comment
  UCD151007  Sonchus asper subsp. asper D. S. Park 2010-5-14 87 Yolo UCD Arboretum. Near Creek. 29 Comment
  UCD21311  Sonchus asper subsp. asper J. Shepard 2000-5-20 256 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, past parking lots on south side. 12 Comment
  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
  UCD136177  Sonchus oleraceus K. Esau 1937-5-28 s.n. Yolo Davis. Comment
  SEINET3228402 Image available Sophora japonica M. F. Wojciechowski 1999-10-3 856 Yolo Residential area in Davis, near intersection of 1st St and 3rd St, just north of Amtrak station. Comment
  CDA2486  Sorghum bicolor G. D. Barbe, T. C. Fuller 1979-9-2 2251 Yolo West of County Road 95, between county roads 25 and 27, southwest of Woodland. 0 Comment
  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
  HSC102728  Sorghum halepense J. P. Smith 2013-8-23 13777 Yolo Weed in a walnut orchard. 134 Comment
  UCD92650  Sorghum halepense Beecher Crampton 1955-10-13 3176 Yolo Davis. Comment
  UCD92766  Sorghum halepense R. Tofsrud 1947-5-25 s.n. Yolo Davis R.R. Junction. Comment
  UCD108494  Spartium junceum Collector unknown 1925-5-14 s.n. Yolo Davis. Comment
  HSC83440  Spergularia bocconi J. M. Tucker 1977-5-2 4392 Yolo Around greenhouses, Orchard Park, UC Davis Comment
  UCD99192  Spergularia bocconi Samuel A. Bamberg 1964-4-13 s.n. Yolo just north of Teichert Aggregates, northeast corner of junction of County Road 29 and U.S. Highway Alternate 40, 2 miles northwest of Davis. Comment
  HSC4244  Spergularia macrotheca C. B. Wolf 1928-5-8 2141 Yolo 12 mi. N of Dixon on the Pacific Hwy. Comment
  RSA10427  Spergularia macrotheca var. leucantha C. B. Wolf 1928-5-8 214 Yolo Sacramento Valley; 12 miles north of Dixon. Comment
  SBBG115383  Spergularia macrotheca var. leucantha B. Crampton 1985-4-10 9912 Yolo 3.5 mi SE of Woodland Comment
  UCD33932  Spergularia macrotheca var. leucantha Beecher Crampton 1975-4-18 9161 Yolo Yolo County, 3 miles S.E. of Woodland. Comment
  RSA0098424  Spergularia macrotheca var. leucantha L. R. Abrams 1928-5-8 12601 Yolo Between Woodland and Davis. Comment
  RSA261409  Spergularia macrotheca var. leucantha M. N. Artist 1965-5-22 21 Yolo County Road 100, 1 mile N of junction with County Road 31, Davis. Comment
  UCD21210  Spergularia rubra J. Shepard 2000-3-12 74 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. Found along the west edge of field where model planes are flown. 12 Comment
  UCD39903  Sporobolus capensis Beecher Crampton 1954-4-13 s.n. Yolo UC Davis campus, Agronomy Divison, greenhouse grown. Comment
  UCD93107  Sporobolus cryptandrus Beecher Crampton 1963-6-28 T.O 2777 Yolo UC Davis Campus. Agronomy Experimental Area. Plant Inroduction Nursery. Comment
  RSA32908  Stachys A. A. Heller 1929-6-2 s.n. Yolo Woodland. Comment
  RSA447286  Stachys Robert Gustafson 1985-6-15 3181 Yolo Jct. of Road 25 & 103, southeast of Woodland. Comment
  UCD125786  Stachys ajugoides A. S. Crafts 1926-7-8 438 Yolo University Farm Campus, Davis. Comment
  UCD125554  Stachys ajugoides Beecher Crampton 1961-5-8 5864 Yolo Davis, north city limits along County Road 31. Comment
  UCD125796  Stachys ajugoides J. Marshall 1933-8-1 s.n. Yolo field near Davis. Comment
  UCD38305  Stachys ajugoides Beecher Crampton 1953-11-22 1738 Yolo 1 mile north of Davis. Comment
  UC726310  Stachys ajugoides var. ajugoides A. A. Heller 1929-6-2 14895 Yolo Woodland Comment
  SEINET893245  Stachys lanata J. M. Tucker 1966-1 3946 Yolo In garden at 1200 Harvard Drive, Davis Comment
  UCD20886  Stachys stricta N. Nicola 2001-5-24 114 Yolo Sacramento Valley, 4 miles west of Woodland, at Cache Creek Nature Preserve, riparian zone of Cache Creek. Comment
  CAS-BOT-BC374801  Stebbinsoseris heterocarpa Blankinship 1893-3-19 s.n. Yolo Unspecified Comment
  CDA3548  Stellaria media T. C. Fuller 1962-3-27 7895 Yolo Road to Davis, 3 miles east of Winters. 0 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
  SACT002367  Stipa lepida M. Wiesendanger 1927-5-4 Yolo Comment
  HSC13373  Stipa pulchra J. V. Lenz 1947-3-29 Yolo Putah Canyon Comment
  CDA9260  Stipa tenuissima G. F. Hrusa 2013-10-1 18525 Yolo Sacramento Valley; Landscape planting in front of Small Animal Clinic at UC Davis Vet. Med. Teaching Hospital. 0 Comment
  HSC43966  Streptanthus glandulosus Robert M. Specht 1977-4-12 638 Yolo Along Rayhouse Rd. 610 Comment
  UCD116006  Streptanthus glandulosus subsp. glandulosus F. W. Hays 1927-4-2 583 Yolo Putah Canyon. Comment
  UCD33818  Suaeda nigra Beecher Crampton 1973-6-22 8964 Yolo 3 miles S.E. of Woodland (in direct line), county roads 25 and 103. 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
  UCD34293  Suaeda nigra Beecher Crampton 1978-11-3 9673 Yolo 4 miles S.E. of Woodland. Comment
  UCR118896  Suaeda torreyana Beecher Crampton 1978-6-27 9613 a Yolo Sacramento Valley, 4 miles southeast of Woodland. 15 Comment
  UCD141661  Symphoricarpos albus var. laevigatus Ellen Dean; M. Taylor, K. MacMillan 2013-6-13 7789 Yolo City of Davis South Fork Preserve, along Mace Blvd. (County Road 104) south of the City of Davis boundary. North bank of Putah Creek in Plot MBN 1A of the Putah Creek vegetation survey. 9 Comment
  UCD169985  Symphyotrichum chilense G. F. Hrusa 1997-12-13 14134 Yolo Tule canal. On bank of S levee along canal. Comment
  UCD38923  Symphyotrichum chilense Beecher Crampton 1961-10-25 6043 Yolo 4 miles NW of Bryte, Yolo Bypass. Comment
  UCD36096  Symphyotrichum chilense Beecher Crampton 1952-10-18 864 Yolo I mile east of city of Davis, along railroad. Comment
  CAS-BOT-BC98368  Symphyotrichum subulatum var. parviflorum Clarence R. Quick 1971-10-21 71 -67 Yolo Pylman-Quick garden, Merritt Island, near Clarksburg, edge of yard and field. Comment
  UC1245157  Symphytum officinale June McCaskill and Katherine Onaga 1961-5-3 618 Yolo in alley behind garage at 648 D Street Davis Comment
  UCD15703  Tagetes minuta A. M. Shapiro 1997-10-21 s.n. Yolo city of Davis, UC Davis campus near bike bridge over Hwy 113, N of Experimental College gardens. Comment
  SEINET10962078  Tamarix parviflora John F. Gaskin 1998-7-3 Gaskin 80 Yolo 2 mi N of Hwy CA 16 at Madison, end of road near quarry, along creek. Comment
  UCD40906  Tamarix tetrandra Bif Soper 1984-5-30 28 Yolo 1 mile north of Guinda on Hwy 16. 85 Comment
  UCD136734  Taraxacum officinale Beecher Crampton 1960-9-21 5782 Yolo Davis. Comment
  CAS-BOT-BC88009  Thelypodium Roxana Stinchfield 1916-7-1 359 Yolo Mouth of Buckeye Creek. Comment
  UCD93332  Thinopyrum ponticum Beecher Crampton 1955-7-11 2981 Yolo 2 miles NE of Davis, along County Road 102. Comment
  UCR119140  Thlaspi arvense Beecher Crampton 1967-4-19 7832 Yolo Sacramento Valley, Davis, UC campus. 15 Comment
  SEINET5731488 Image available Thysanocarpus curvipes Susan Danford 1964-1 3 Yolo Cache Creek Valley, 8 mi. NW of Rumsey, on Hwy 16.; Rumsey Comment
  UC765050  Thysanocarpus laciniatus R. F. Hoover 1938-3-12 2844 Yolo Cache Creek canyon near Rumsey; Cache Creek canyon Comment
  UCD58050  Tonella tenella Ellen Dean; K. Mawdsley 2007-4-6 3590 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 515 Comment
  UCD128152  Torilis arvensis J. K. Couch 1995-5-20 17 Yolo In Community Gardens in Davis. 1.5 miles north of Putah Creek, bordering 113. 16 Comment
  UCD160028  Torilis arvensis J. Shepard 2015-4-12 894 Yolo City of Davis. East Davis, intersection of Monarch and Temple, NW corner. 10 Comment
  UCD170671  Torilis arvensis Jean Shepard 2018-2-11 913 Yolo City of Davis. Yard 1800 block Myrtle Place. 15 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
  CDA5390  Torilis arvensis subsp. purpurea R. Stewart 1975-6-16 Yolo Guinda. 0 Comment
  CDA37071  Torilis nodosa CDFA Staff s.n. Yolo Rominger Prop., north of County Road 19, east of County Road 92C, west of County Road 94B. 0 Comment
  UCD128181  Torilis nodosa Marvin Nies 1951-4-30 52 Yolo 5 miles northeast of Davis. Comment
  UCD40911  Torilis nodosa Sutton 1984-5-8 2 Yolo Road 128, along Putah Creek about 3 miles before dam. Comment
  UCD20536  Torreya californica A. T. Leiser and Ledyard Stebbins 1983-11-5 s.n. Yolo Yolo County, Ray House Rd., Leviathian Mine, N-NE facing slopes. Comment
  UCD116984  Toxicodendron diversilobum Chas. Heiser 1947-4-21 1908 Yolo Putah Creek, campus, Davis. Comment
  UCD72425  Toxicoscordion fremontii Ellen Dean 2008-4-25 4853 Yolo Tuleyome Ireland Ranch, central part of ranch along path that has been cut through chaparral to access southwestern portion of ranch. 620 Comment
  UCD139861  Toxicoscordion fremontii Alpaslun Ongun 1961-3-10 4 Yolo Poleline Road north of Davis. Comment
  UCD161090  Tragopogon porrifolius Jean Shepard 1999-3-27 10 Yolo City of Davis, Myrtle Pl. 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
  UCD20010  Tribulus terrestris C. H. Lamoureux; J. M. Tucker 1957-4-29 1229 Yolo 200 yards north of Davis Y on gravel edge of asphalt shoulder on east side of Hwy 99. Comment
  SBBG6572  Trichostema lanceolatum J. M. Tucker 1941-9-20 391 Yolo roadside above Putah Crk, E side of Vaca Range 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
  RSA699711  Trifolium Keith E. Hoffmaster 1940-4-28 970 Yolo Davis, 1 mi. north. Comment
  UCD169003  Trifolium albopurpureum Ellen Dean; Dash Weidhofer and Audubon trip participants 2017-4-1 9304 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
  HSC15106  Trifolium albopurpureum M. Dole 1963-4-9 16 Yolo 2 mi. W of Zamora on Rd. 15 Comment
  SBBG29025  Trifolium albopurpureum B. Crampton 1966-4-11 Yolo 2 mi N of Rumsey, foothill flat above Cache Crk Comment
  UCD107580  Trifolium albopurpureum Beecher Crampton 1965-4-6 7253 Yolo 2 miles west of Winters. Comment
  UCD33047  Trifolium albopurpureum Beecher Crampton 1966-4-11 7641 Yolo 2 miles north of Rumsey, foothill flat above Cache Creek. Comment
  UCD35836  Trifolium albopurpureum Beecher Crampton 1965-4-6 7253 Yolo 2 miles west of Winters. Comment
  UC625441  Trifolium albopurpureum var. albopurpureum Frank W. Gould 1938-4-22 Yolo 1/2 mi ne Rumsey Comment
  UCR119102  Trifolium albopurpureum var. olivaceum Beecher Crampton 1955-4-14 2475 Yolo Sacramento Valley, 7 miles west of city of Davis, Moon Ranch 30 Comment
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Jun 16 2008
  UCD107873  Trifolium bifidum P. B. Kennedy 1915-4-26 s.n. Yolo Davis. Comment
  UCD35274  Trifolium bifidum Beecher Crampton 1955-4-14 2474 Yolo 7.5 miles west of Davis, Moon Ranch. Comment
  UCD41302  Trifolium bifidum Ellen Dean; Jean Shepard 2003-5-18 1805 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
  UCD56702  Trifolium bifidum Ellen Dean; M. Bibbo 2007-3-23 3395 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SW portion of ranch. 649 Comment
  UCD84322  Trifolium bifidum Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCD107856  Trifolium bifidum Beecher Crampton 1965-4-6 7252 Yolo 2 miles west of Winters. Comment
  UCD33043  Trifolium bifidum Beecher Crampton 1966-4-6 7636 Yolo 2 miles west of Winters. Comment
  UCD21395  Trifolium bifidum var. bifidum J. Shepard 2001-4-27 439 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 4 mi. south on Mace Blvd. (County Road 104), thence east 0.5 miles along County Road 36. In the southeast corner of park. 12 Comment
  UCD97107  Trifolium campestre Ellen Dean; C. Loughran, A. Fuller 2011-5-8 7007 Yolo Yolo County. Audubon Bobcat Ranch. Lands to the north of Hwy 128, just E of Monticello Dam. Bray Canyon. About three quarters of the way up the canyon, nearly to Bobcat Ranch property line. East side of the creek in uplands. Stock pond. Comment
  UCD108284  Trifolium ciliolatum Fleur Ng'weno 1989-5-5 DQ 35 Yolo D-Q University County Road 31, 9 miles west of Davis city center. 30 Comment
  UCD160560  Trifolium ciliolatum Ellen Dean; Craig Thomsen 2015-3-21 8610 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. 274 Comment
  UCD82170  Trifolium depauperatum J. Shepard 2001-3-16 397 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 4.0 mi. south on Mace Blvd. (County Road 104), to Co. Rd. 36; thence ~.5 mi east along road; then 20 m north of park fence along Co. Rd 36. 12 Comment
  UCD38294  Trifolium depauperatum var. amplectens Beecher Crampton 1954-4-19 1776 Yolo 1.5 miles north of Davis. Comment
  UCR119136  Trifolium depauperatum var. amplectens Beecher Crampton 1954-4-8 1757 Yolo Sacramento Valley, 2 miles east of Davis Comment
  SEINET9302363  Trifolium depauperatum var. stenophyllum Unknown 2012-3-2 7853 Yolo 1 mi W of Winters. Roadside, oak woodland, low foothills. Comment
  UCD108538  Trifolium depauperatum var. truncatum Fleur Ng'weno 1989-5-1 DQ 25 Yolo D-Q University County Road 31, 9 miles W of Davis city center. 30 Comment
  UCR197974  Trifolium fragiferum Beecher Crampton 1953-8-20 1598 Yolo Sacramento Valley, UC Davis campus 16 Comment
  UCD108893  Trifolium fragiferum Beecher Crampton 1962-7-10 s.n. Yolo UC Davis, Agronomy Experimental Areas, Forage Crops Teaching Nursery. Comment
  UCD108949  Trifolium fragiferum R. E. Skaggs 1967-7-30 s.n. Yolo 1113 Alice Street, Davis. Comment
  SBBG29023  Trifolium fucatum B. Crampton 1966-4-19 7653 Yolo 0.25 mi S Saxon Station Comment
  UC631612  Trifolium fucatum P. B. Kennedy 1915-4-26 Yolo Medicago Flats at University Farm Davis Comment
  UCD21373  Trifolium fucatum J. Shepard 2001-3-23 413 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 4 mi. south on Mace Blvd. (County Road 104), thence east 0.5 miles along County Road 36. Growing in the southeast corner of park. 12 Comment
  UCD21384  Trifolium fucatum J. Shepard 2001-3-26 426 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 4 mi. south on Mace Blvd. (County Road 104), thence east 0.5 miles along County Road 36. Growing in the southeast corner of the park; 10 yards west of Department of Defense fence and 20 yards north of Road 36. 12 Comment
  UCD38427  Trifolium fucatum Beecher Crampton 1955-4-14 2485 Yolo 2 miles south of Zamora. Comment
  UCD84335  Trifolium fucatum Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCR119092  Trifolium fucatum Beecher Crampton 1966-4-19 7653 Yolo Sacramento Valley, 1/4 mile south of Saxon Station site. 15 Comment
  UCR179185  Trifolium fucatum Carol W. Witham 2003-4-11 931 Yolo Sacramento Valley, DFG Tule Ranch vernal pools, c. 8 miles SE of Davis, SE of junction of county roads 38 & 105 5 Comment
  RSA699927  Trifolium fucatum Keith E. Hoffmaster 1946-4-19 1200 Yolo 3-4 miles NE of Davis. Comment
  UCD108998  Trifolium fucatum C. P. Dutt 1928-4-15 s.n. Yolo Davis. Armstrong Ranch. Comment
  UCD109031  Trifolium fucatum H. B. Nidever 1951-4-12 14 Yolo 3 miles NE of Davis. Comment
  UCD97001  Trifolium gracilentum Christopher Michael Bronny 2011-4-25 33 Yolo Woodland. Woodland Regional park property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Near southern boundary of property in area previously known as Mavis Henson Field and rented by the Aeromodelers group until winter of 2011). Just north of gravel access road, just south of airplane landing strip, and just west of parking area for Aeromodeler buildings (now removed). 11 Comment
  POM127054  Trifolium gracilentum Francis Ramaley 11103 Yolo Winters Comment
  SEINET7413844  Trifolium gracilentum B. Crampton 1955-4-14 2484 Yolo 2 miles south of Zamora Comment
  UCD109741  Trifolium gracilentum C. P. Dutt 1928-4-10 s.n. Yolo Davis. Armstrong Ranch. Comment
  UCD48020  Trifolium hirtum S. Olmsted; M. Atamian, R. Brush, M. Furuyama, C. Owens 2000-4-29 06 Yolo 1 mile north of Knoxville as the crow flies, 300 m east of an old dirt road that intersects the Yolo/Napa Co line. 640 Comment
  UCD41126  Trifolium incarnatum K. Arhangelsky 2002-4-12 183 Yolo Eastern foothills of inner north coast range, Capay Valley. Outside Rumsey. Comment
  UCD68073  Trifolium incarnatum Julia Curlette 1992-1 4 Yolo On Portage Bay Road, along the roadside. In an area dominated by convolvulus, and monocots, on dry chunky soil, 15-20 individuals in area. Plant erect and hairy, 6-12 in. high. Leaves, obovate; Flowers, red crimson. Comment
  UCD160476  Trifolium microcephalum Ellen Dean; Craig Thomsen 2015-3-21 8592 Yolo Audubon Bobcat Ranch. Western part of ranch, just north of Hwy 128 and N of Putah Creek. Area E of Bray Canyon near base of large escarpment labeled 'spring' on topo maps. Burned in 2014. 182 Comment
  UCD38434  Trifolium microcephalum Beecher Crampton 1955-4-14 2491 Yolo Yolo County; 2 miles northwest of Dunnigan. Comment
  UCD73261  Trifolium microcephalum Ellen Dean; Susan Xhang, Christa Lindsey, Chris Mosser 2008-4-17 4838 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. 77 Comment
  UCD107344  Trifolium olivaceum Beecher Crampton 1953-4-9 1062 Yolo 3 miles west of Winters. Comment
  UCD35834  Trifolium olivaceum Beecher Crampton 1965-4-6 7251 Yolo 2 miles west of Winters. Comment
  UCD39899  Trifolium pilulare Beecher Crampton 1978-4-17 s.n. Yolo UC Davis Campus, Agronomy Experimental Area, Plant Introduction Nursery, row B-11. Comment
  UCD143714  Trifolium repens Beecher Crampton 1965-2-24 s.n. Yolo UC Davis campus. 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
  SEINET12170818  Trifolium stenophyllum Unknown 1953-3-31 1053 Yolo above Putah Creek, about 4 mi W of Davis Comment
  UCD149357  Trifolium subterraneum Collector Unknown 1952-1 s.n. Yolo City of Madison. 44 Comment
  SEINET12170816  Trifolium tridentatum Unknown 1971-4-14 8673 Yolo 2 mi W of Winters on County Road 87 Comment
  SEINET240469  Trifolium tridentatum Beecher Crampton 1962-4-26 2776 Yolo UC Davis agronomy experimental area. Comment
  UCD41008  Trifolium variegatum Carol W. Witham 2003-4-11 938 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UC630890  Trifolium willdenovii P. B. Kennedy 1915-4-26 Yolo roadsides Davis Comment
  UC630891  Trifolium willdenovii P. B. Kennedy 1915-4-26 Yolo Davis Comment
  UCD109866  Trifolium willdenovii K. O'Keefe 1995-6-3 s.n. Yolo 100 m from west side of Cold Creek, 250 m from confluence with Putah Creek. Below and east of Lake Berryessa, on side of Highway 128. 120 Comment
  UCD20835  Trifolium willdenovii N. Nicola 2001-4-4 51 Yolo Eastern foothills of inner North coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  UCD23218  Trifolium willdenovii A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCD56771  Trifolium willdenovii Ellen Dean; M. Bibbo 2007-3-23 3463 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Western/Central portion of ranch near unimproved access loop road. 619 Comment
  UCD58032  Trifolium willdenovii Ellen Dean; K. Mawdsley 2007-4-6 3571 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
  UCD80970  Trifolium willdenovii Ellen Dean; R. Rawson, J. Herford, A. Weidling, H. McGinnis 2009-4-1 5353 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Western side of property used by model airplane club. 9 Comment
  RSA636067  Trifolium willdenovii Robert M. Rhode, Barbara Nemeth 1998-5-13 181 Yolo In the vicinity of Guinda; west of the intersection of State Highway #16 and County Road #53m on County Rd #53, Comment
  RSA699925  Trifolium willdenovii Lois Weston 1942-4-24 1150 Yolo Putah Canyon. Comment
  SEINET9341395  Trifolium willdenovii Unknown 1966-4-28 7682 Yolo 1 mi SW of Saxon Station. Vernal meadow, adobe soil. Comment
  UCD109844  Trifolium willdenovii Alan P. Godlewski 1974-4-25 s.n. Yolo South of Envir. Hort. On the U.C. Davis campus. Comment
  UCD109864  Trifolium willdenovii Fleur Ng'weno 1989-4-26 DQ 14 Yolo D-Q University County Road 31, 9 mi. west of Davis city center. 29 Comment
  UCD19493  Trifolium willdenovii Terry Reedy 1974-5-5 199 Yolo city of Davis, 5th street and Pole Line Road., northeast corner. 21 Comment
  UCD33622  Trifolium willdenovii Beecher Crampton 1971-4-14 8673 Yolo 2 miles west of Winters on County road 87. Comment
  UCD34397  Trifolium willdenovii Beecher Crampton 1982-3-22 9819 Yolo Yolo County, 2 miles west of Winters on road 87. Comment
  UCD35737  Trifolium willdenovii Beecher Crampton 1953-3-31 1055 Yolo Five miles west of Davis. Comment
  UCD35894  Trifolium willdenovii Beecher Crampton 1966-4-6 7638 Yolo 2 miles west of Winters. Comment
  UCD41031  Triglochin scilloides Carol W. Witham 2003-4-26 963 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD41129  Triphysaria eriantha N. Nicola 2002-3-18 137 Yolo Eastern foothills if inner north coast range, Capay Valley. Rd 63 off Hwy 16, Murphy property. Comment
  UCD67390  Triteleia ixioides Cindy Marie Clem 1992-4-25 19 Yolo Davis, F Street and Grande Street. 12 Comment
  UCD139383  Triteleia laxa P. Thompson 1996-4-14 5 Yolo Davis, south side of town, path parallel to meters. 17 Comment
  CAS-BOT-BC526142  Triteleia laxa Beecher Crampton 1978-3-16 9547 Yolo 2 miles west of Winters. Comment
  RSA639490  Triteleia laxa E. D. Appenzeller 1995-5-28 16 Yolo West of city of Winters. Off Highway 128 near Stebbins Cold Canyon Comment
  SEINET233354  Triteleia laxa Becky Wilson 1973-4-10 10 Yolo 7 miles west on Winters in Thompson Canyon; 183 Comment