Search Results — 2000 specimen records retrieved (1372 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CDA4912  Abutilon theophrasti T. C. Fuller 1959-10-1 3265 Yolo Yolo Bypass at railroad trestle, River Road, ca. 4 miles east of Woodland. 0 Comment
  CAS-BOT-BC234973  Acer William C. Overton, Jr. 1982-5-3 s.n. Yolo City of Davis, UC Davis campus, across road from Mrak bridge, east of parking lot with orange trees, tree off SE (?) corner of little brown shingled building that once housed Arbie Hdqtrs. Comment
  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
  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
  SBBG25336  Acer negundo P. Paige 1960-3-23 4 Yolo bank of Putah Crk, Davis Comment
  RSA695988  Acer negundo subsp. californicum Keith E. Hoffmaster 1941-3-15 1003 Yolo Putah Creek bank on University Campus, Davis Comment
  HSC62842  Acer negundo var. californicum J. M. DiTomaso 1979-5-12 991 Yolo Next to Putah Creek below Monticello Dam 91 Comment
  UCD18421  Acer truncatum Duane Gooden 2000-5-30 s.n. Yolo city of Davis, UC Davis campus, NE of Storer Hall. Comment
  UCD41220  Achillea borealis subsp. californica David Rhode 1977-4-30 5 Yolo 0.5 mile south of Camp Haswell, on Highway 16. 167 Comment
  UCD128343  Achillea millefolium J. D. Skoss 1948-6-6 22 Yolo Putah Canyon, 1 mile below Yolo-Napa county line. Comment
  RSA416218  Achillea millefolium var. californica Glenn A. Gorelick 1965-8-2 s.n. Yolo In field approx. 5 miles east of Woodland Comment
  SEINET5712610  Achillea millefolium var. californica Russel Hopper 1975-1 22 Yolo 3.5 miles west of Winters on State Hwy 128.; Winters 56 Comment
  CDA30585  Achyrachaena mollis M. Beyers 2010-5-12 437 Yolo On strip of median that separates north and southbound I-505. 43 Comment
  UCD128383  Achyrachaena mollis H. A. Borthwick 1925-5-11 1894 Yolo Davis. Comment
  UCD23208  Achyrachaena mollis A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCD80969  Achyrachaena mollis Ellen Dean; R. Rawson, J. Herford, A. Weidling, H. McGinnis 2009-4-1 5352 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Western side of property used by model airplane club. 9 Comment
  RSA695591  Achyrachaena mollis Keith E. Hoffmaster 1939-4-15 923 Yolo Davis Comment
  UCD103782  Acmispon americanus var. americanus A. S. Crafts 1926-7-8 484 Yolo University Farm Campus, Davis. 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
  UCD73713  Acmispon americanus var. americanus Ayzik Solomeshch 2004-5-14 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  UCD104138  Acmispon glaber D. Sanchez-Mata 1998-6-24 s.n. Yolo Rumsey. Cache Creek Ridge. Cache Creek Canyon Regional Park. 210 Comment
  UCD104139  Acmispon glaber D. Sanchez-Mata 1998-6-24 s.n. Yolo Rumsey. Cache Creek Ridge. Cache Creek Canyon Regional Park. 210 Comment
  UCD104484  Acmispon wrangelianus R. A. Blanchard 1932-4-22 2277 Yolo Yolo Causeway, Davis to Sacramento. Comment
  UCD104566  Acmispon wrangelianus Fleur Ng'weno 1989-5-5 DQ 36 Yolo D-Q University County Road 31, 9 miles west of Davis city center. 30 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
  UCD84333  Acmispon wrangelianus Ayzik Solomeshch 2009-5-11 s.n. Yolo Yolo Bypass. Glide Ranch. 4 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
  UCD128502  Acroptilon repens Charles B. Heiser 1947-6-10 1934 Yolo near midget auto tracks, West Sacramento. Comment
  UCD128511  Acroptilon repens W. D. Norton 1931-4-24 2182 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
  CDA19179  Acroptilon repens J. Young 2001-6-1 PDR 050662 Yolo Sacramento Valley; near the junction of East Main St. and Hwy 128, Winters. 0 Comment
  CDA37715  Acroptilon repens Breckenridge/Filippini 2007-6-15 s.n. Yolo Near Winters. 0 Comment
  CDA6756  Acroptilon repens R. Perkins 1971-9-16 Yolo California Fruit Exchange, Winters. 0 Comment
  UCD159964  Adiantum capillus-veneris Ellen Dean; Layne Huiet 2015-4-5 8620 Yolo 3.2 road miles south of border with Colusa County, along Hwy 16. East side of road at highway marker 3.22. 179 Comment
  UCD58047  Adiantum jordanii Ellen Dean; K. Mawdsley 2007-4-6 3587 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
  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
  CDA1672  Aegilops triuncialis C. Justus 1958-5-28 Yolo Cabel Ranch, Winters. 0 Comment
  CHSC107298  Aegilops triuncialis R. Breckinridge 2009-5-26 PDR 1313570 Yolo In the vicinity of Madison and Winters. Along CR 89, between CR 25 and CR 20. Comment
  UCD168256  Aegilops triuncialis Timithy Blank 2017-5-12 s.n. Yolo Front yard of 25 N. Cleveland St., Woodland. [Exact location unknown. Coordinates added by label maker.] Comment
  UCD37517  Aegilops triuncialis Beecher Crampton 1961-4-28 5859 Yolo Yolo County, 2 miles west of city of Winters, along Road 87. Comment
  UCD51569  Aegilops triuncialis Beecher Crampton 1972-5-28 8809 Yolo Road 95 west of Airstrip. Comment
  UCD55533  Aegilops triuncialis Beecher Crampton 1966-5-6 7711 Yolo 2 miles west of Winters, County Road 87. Comment
  UCD59306  Aegilops triuncialis Ellen Dean; Kate Mawdsley 2007-5-11 3730 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Central part of ranch near western section of loop road. 615 Comment
  UCD15600  Aesculus californica Lisa Montany 1985-5-4 15 Yolo Old Putah Creek Rd., 1/2 mile east of Hwy 505. 30 Comment
  UCD23469  Aesculus californica Jean V. Shepard 2003-9-9 617 Yolo UC Davis campus, north of Hutchison Hall by loading dock. Comment
  SEINET242443 Image available Agropyron desertorum Beecher Crampton 1955-5-25 T.O.s.n. Yolo UC Davis Campus, Agronomy Experimental Area Comment
  SACT000054  Agropyron repens 1925-5-25 Yolo Comment
  CDA3362  Agrostemma githago P. B. Kennedy 1918-1 Yolo University Farm, Davis. 0 Comment
  UCD97908  Agrostemma githago var. githago P. B. Kennedy 1918-1 s.n. Yolo Davis, University Farm. Comment
  UCD37230  Agrostis avenacea Beecher Crampton 1958-6-27 4978 Yolo Yolo County, 1.3 miles south of Dunnigan, U.S. Highway 99. Comment
  UCD51798  Agrostis avenacea Beecher Crampton 1960-5-9 5505 Yolo 1/4 mile south Saxon Station. Comment
  CDA1704  Agrostis capillaris N. van Kleeck 1974-11-4 Yolo 1407 Whittier Drive, Davis. 0 Comment
  CDA1705  Agrostis capillaris N. van Kleeck 1971-8-3 Yolo 1400 Whittier Drive, Davis. 0 Comment
  UCD51858  Agrostis capillaris Leonard 1919-6-13 3065 Yolo Davis. Comment
  SEINET251727  Agrostis castellana Beecher Crampton 1960-6-3 T.O. 2455 Yolo CULTIVATED; UC Davis agronomy experimental area; plant introduction nursery; Comment
  SEINET3917312  Agrostis castellana Beecher Crampton 1960-6-3 T.O. 2463 Yolo Uc Davis agronomy experiment area, plant introduction nursery; planted from seed obtained from Australia harvest Jan 1957. Seed received 2 Sept. 1958 from T.H. Silsbury in Portugal. Plant Introduction #18821.; 0 Comment
  RSA654917  Agrostis densiflora Beecher Crampton 1963-6-20 3108 Yolo UC Davis Agrostis Nursery, A-G. Grown from seed collected July 27, 1955 in Mendocino County, 4 miles south of Fort Bragg, 1.5 miles north of Caspar along State Highway 1, near Jughandle Creek Comment
  SEINET4339460  Agrostis densiflora B. Crampton 1964-6-2 s.n. Yolo Cultivated at UC Davis old Agrostis nursery (A-4), seed from type specimen 3102, collected July 27, 1955 in Mendocino county 4 miles south of Fort Bragg, 1.5 miles north of Caspar along Hwy 1 near Jughandle Creek Comment
  UCD52281  Agrostis exarata var. microphylla P. B. Kennedy 1920-7-31 x 3592 Yolo Davis, Field - campus - Berkeley. Comment
  UCD36386  Agrostis stolonifera Beecher Crampton 1953-6-14 1452 Yolo Yolo County, city of Davis. Comment
  UCD164530  Aira caryophyllea Craig D. Thomsen 2006-5-10 2695 Yolo Camp Haswell County Park, at edge of turnout along Hwy 16. 137 Comment
  UCD73107  Aira caryophyllea Ellen Dean; Susan Xhang, Christa Lindsey, Chris Mosser 2008-5-3 4898 a 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
  RSA697343  Aira danthonioides Keith E. Hoffmaster 1939-4-15 s.n. Yolo Davis Comment
  UCD39774  Ajuga reptans Beecher Crampton 1964-4-23 s.n. Yolo Ground cover planting about Freeborn Hall. Comment
  SEINET8470108 Image available Alisma triviale Charles B. Heiser Jr. 1947-7-22 1965 Yolo North of Davis Comment
  SEINET12051856  Allium fimbriatum Unknown 1986-1 60080 Yolo NE of former site of Knoxville, Little Blue Ridge, near dam of Davis Lake, or E of site of Reid Mine 475 Comment
  NY663906  Allium neapolitanum B. Crampton 1977-4-1 9460 Yolo Comment
  UCD34136  Allium neapolitanum Beecher Crampton 1977-4-1 9460 Yolo Davis. Comment
  HSC39426  Allium serra Robert M. Specht, John Rehling 1976-3-25 244 Yolo 4.4mi S of Yolo County and Colusa County border on Hwy. 16 in Cache Creek Canyon Comment
  UCD82081  Allium serra Robin McMaster 1973-4-15 308 Yolo 3 mi NW from Rumsey. Comment
  CAS-BOT-BC475500  Allium triquetrum June McCaskill 1967-4-2 717 Yolo 815 E. 9th Street, Davis Comment
  SEINET219061  Allium triquetrum June McCaskill 1967-4-2 717 Yolo In garden at 815 E. 9th Street, Davis. Comment
  UCD141697  Alnus rhombifolia Ellen Dean; M. Taylor 2013-6-21 7809 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
  SEINET9366157  Alopecurus Unknown 1962-4-10 T.O. 2524 Yolo Yolo Comment
  UCD55815  Alopecurus pratensis Beecher Crampton 1960-3-31 s.n. Yolo Agronomy Experimental Area, Davis Campus, Forage Crop Nursery. Comment
  UCD55958  Alopecurus saccatus P. B. Kennedy 1915-4-26 s.n. Yolo Outskirts of Davis. Comment
  UCD55962  Alopecurus saccatus A. A. Beetle 1946-7-13 4693 Yolo Putah Canyon. Comment
  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
  UCD149323  Amaranthus albus Collector Unknown 1920-6-13 s.n. Yolo City of Davis. 15 Comment
  UCD97170  Amaranthus albus P. B. Kennedy 1920-6-23 s.n. Yolo Clarksburg -- Sacramento River. Holland Land Co. Comment
  UCD39251  Amaranthus albus Beecher Crampton 1956-11-6 3885 Yolo 2.5 miles northwest of Davis. Comment
  UCR242094  Amaranthus arenicola Arthur M. Shapiro 2011-9-15 s.n. Yolo West Sacramento, 1 km west of intersection of West Capitol Ave and Enterprise Blvd. Yolo Bypass Comment
  UC735711  Amaranthus blitoides Charles B. Heiser Jr. 1947-5-30 1920 Yolo Davis Comment
  UCD21318  Amaranthus blitoides J. Shepard 2000-5-26 275 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. Past parking lot on north side of entrance road. Between ruts in gravel road 12 Comment
  UCD97200  Amaranthus blitoides P. B. Kaufman 1950-5-20 42 Yolo Near Botany Building, University of California campus, Davis. Comment
  UCD97193  Amaranthus blitoides R. L. Ferral 1954-5-31 29 Yolo In an unoccupied greenhouse, third from east in row north of Soils and Irrigation Building, University of California, Davis. Comment
  UCD40546  Amaranthus hybridus Samantha Corte 1988-6-7 15 Yolo 1/4 mi. east of Sikes Road, on Tremont. 13 Comment
  UCD97411  Amaranthus hypochondriacus Clinton V. Kellner 1978-8-10 s.n. Yolo Garden area south of Orchard Park housing complex, University of California campus, Davis. Comment
  UCD57354  Amaranthus powellii J. Shepard 2000-6-2 287 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. In gravelly area of parking lot north of entrance road. 12 Comment
  UCD97530  Amaranthus powellii C. J. W. 1913-9-1 313 Yolo Davis. Comment
  CDA16257  Amaranthus retroflexus G. F. Hrusa 1997-10-13 14120 Yolo Sacramento Valley; Sacramento R. immediately S of I-5 ~ 5 mi E of Woodland (near tule canal). 8 Comment
  UCD97753  Amaranthus retroflexus H. R. Drever 1945-6-13 Yolo Davis. Comment
  UCD97755  Amaranthus retroflexus R. B. Griffith 1949-5-28 31 Yolo University Farm, Davis. Comment
  UCD147054  Amaranthus tuberculatus var. rudis Robert E. Preston 2007-10-4 2582 Yolo 2.5 mi S of Clarksburg, along Sacramento River, at boat ramp; river's edge. Comment
  UCD102904  Ammannia coccinea Malcolm A. Nobs; S. Galen Smith 1949-7-18 1004 Yolo North of Winters, Sacramento Valley. Alkaline 'Grasslands' of the San Joaquin Valley. Comment
  UCD102885  Ammannia robusta P. B. Kennedy 1916-7-21 s.n. Yolo Yolo County. Comment
  SFV1771  Amorpha californica var. napensis B. J. McCaskill, R. Gankin 1962-5-2 650 Yolo State Highway 16, 2.7 miles south of junction with State Highway 20. About 20 yards above road. Comment
Read comments
Jul 23 2013
  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
  UCD119280  Amsinckia intermedia A. S. Crafts 1926-7-8 483 Yolo University Farm Campus, Davis. Comment
  UCD80940  Amsinckia intermedia Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5343 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Old rodeo area. Buildings gone now. 9 Comment
  UCR235400  Amsinckia intermedia George K. Helmkamp, E. A. Helmkamp 2012-4-17 18775 Yolo Sacramento Valley, along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland 65 Comment
  HSC31625  Amsinckia intermedia Glenn McGourty 1974-4-20 10 Yolo On corner of Route 99W and Rd. 56 Comment
  UCD119264  Amsinckia intermedia Beecher Crampton 1977-3-14 9458 Yolo Davis. Comment
  UCD15502  Amsinckia intermedia Fred Tulley 1984-5-6 10 Yolo Davis Equestrian Field. 19 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
  UCD81433  Amsinckia intermedia M. Wiesendanger 1927-4-29 s.n. Yolo Woodland.. Comment
  UCD82326  Amsinckia intermedia Robin McMaster 1973-4-15 316 Yolo 7 mi NW Rumsey on Hwy 16. Comment
  UCR219519  Amsinckia lycopsoides Jean V. Shepard 2000-5-13 241 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, 4 mi south on Mace Blvd. (Co. Road 104) from intersection of Hwy I-80 and Mace Blvd., east along unpaved entrance road, east of parking lot on the south side of road 12 Comment
  UCD20793  Amsinckia menziesii N. Nicola 2001-3-14 009 Yolo Sacramento Valley, 4 miles west of Woodland, at Cache Creek Nature Preserve, riparian zone of Cache Creek. Comment
  UC638712  Amsinckia menziesii var. menziesii Ethel Crum 1938-5-7 1987 Yolo 4 mi n Rumsey (Cache Creek); Inner North Coast Range, Cache Creek 152 Comment
  UCD18463  Anagallis monelli Garrett Gibson 1988-6-8 16 Yolo city of Davis, drainage ditch behind Dos Pinos Housing Cooperative. Comment
  UCD56099  Andropogon virginicus R. Tofsrud 1948-9-1 s.n. Yolo Putah Creek Canyon. Comment
  SEINET5717760 Image available Anemopsis californica J. M. Tucker 1976-1 4371 Yolo From a planting at west end of courtyard of Robbins Hall, University of California, Davis.; Univ. of California, Davis Comment
  UCD129049  Anthemis cotula Beecher Crampton 1964-5-11 6949 Yolo Saxon Station. Comment
  UCD149363  Anthemis cotula Collector Unknown 1925-5-11 s.n. Yolo City of Davis. 15 Comment
  UCD159499  Anthemis cotula D. S. Park 2010-8-25 249 Yolo West Sacramento. E main St. Under bridge. Abundant along water. 2 Comment
  UCR257088  Anthemis cotula George K. Helmkamp, Mary Alice Barnes 2013-5-8 20525 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
  RSA261396  Anthriscus caucalis R. T. Wurster 1960-4-3 s.n. Yolo State Highway 16, in town of Capay 37 Comment
  UCD41133  Anthriscus caucalis N. Nicola 2002-4-10 169 Yolo Eastern foothills of inner North coast range, Berryessa Valley, approx. 3.5 miles as the crow flies east of Monticello dam, off of Hwy 128, north side of creek. Comment
  UCD123493  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Glen Holstein 1977-5-15 s.n. Yolo near mouth of Bray Canyon, 0.5 mile east of bridge over Putah Creek in vicinity of Monticello Dam, near State Highway 128. Comment
  UCD168427  Aphanes macrosepala Ellen Dean 2017-3-15 9251 Yolo Audubon Bobcat Ranch, lands north of Hwy 128, just east of Monticello Dam. Bray Canyon and vicinity on the western side of ranch. Ranch burned once each year in 2014, 2015, 2016. 2017 has been a high rainfall year. Lower reaches of Bray Canyon on east side of creek. 57 Comment
  SEINET8470679 Image available Aponogeton distachyos June McCaskill 1968-2-29 731 Yolo 14 Parkside Drive, Davis, CA Comment
  UCD94979  Arceuthobium campylopodum Alexis Fuller; Ellen Dean and Clare Loughran 2011-5-8 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 creek. 82 Comment
  CAS-BOT-BC102246  Arctium lappa P. B. Kennedy 1920-6-21 s.n. Yolo Merrit Island - Sacramento R. Comment
  UCD168421  Arctostaphylos manzanita subsp. laevigata Ellen Dean; M. Hoshovsky 2017-4-18 9332 Yolo Audubon Bobcat Ranch. Lands to the north of Hwy 128. Eastern part of ranch northwest of ranch headquarters; ridge northeast of Rattlesnake Rock. Area has burned three times in the past three years. 252 Comment
  SEINET11998675  Arctostaphylos manzanita subsp. laevigata Unknown 1988-1 80175 Yolo Blue Ridge just S of Lowery Summit 853 Comment
  UC917246  Arctostaphylos manzanita subsp. manzanita R. B. Griffith 1949-3-14 2 Yolo n bank of creek 8.6 mi w Winters; Putah Creek Comment
  UCD56737  Arctostaphylos manzanita subsp. manzanita Ellen Dean; M. Bibbo 2007-3-23 3429 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SW portion of ranch. 703 Comment
  UCD51069  Arctostaphylos stanfordiana subsp. bakeri Susan Sturgeon 1974-2-13 s.n. Yolo Manzanita area, south bank near 3 large Pinus and 1 valley oak in direct line with large cottonwood across the creek. Comment
  SEINET4342626  Aristida hamulosa B. Crampton 1963-9-19 6896 Yolo 2.5 miles west of Winters on Hwy. 128 Comment
  UCD56858  Aristida ternipes var. gentilis Beecher Crampton 1961-6-6 5895 Yolo 2 miles west of Winters. Comment
  RSA696207  Aristolochia californica Keith E. Hoffmaster 1939-2-25 947 Yolo Putah canyon, Coast Range west of Winters Comment
  UCD70194  Aristolochia californica D. Sanchez-Mata 1998-6-24 s.n. Yolo Capay Valley. Salt Creek between Capay and Cadenasso. 100 Comment
  UCR206549  Aristolochia californica George K. Helmkamp, E. A. Helmkamp 2009-3-17 14402 Yolo Inner North Coast Ranges Foothills, along CA-20 and Cache Creek, 4.3 miles southeast of the Colusa County line 159 Comment
  RSA92880  Aristolochia californica Annetta Carter 1934-3-18 453 Yolo About seven miles from Winters, Putah Creek road Comment
  UCD56021  Arrhenatherum elatius E. G. Cakin 1947-4-29 s.n. Yolo City of Davis. Campus of University of CA, Davis. University Farm. Agronomy Grass Plots. Comment
  UCD129261  Artemisia biennis P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Company. Clarksburg, Sacramento River. Comment
  UCD59358  Artemisia douglasiana Ellen Dean; Kate Mawdsley 2007-5-11 3782 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
  UCD149336  Artemisia dracunculus Collector Unknown 1953-12-23 s.n. Yolo City of Woodland. 25 Comment
  CDA11163  Artemisia vulgaris G. F. Hrusa 1993-11-1 11575 Yolo Central Valley; Originally dug alongside railroad at Tisdale Dr. S. Sacramento. Current site of Meadowview Light Rail Station. Comment
  HSC100291  Arundo donax J. P. Smith 2011-4-27 13139 Yolo Along Hwy. 16 near junction with Tabers Corner 99 Comment
  UCD56080  Arundo donax R. Tofsrud 1941-10-1 23 Yolo Davis. Comment
  UCD39910  Arundo donax var. versicolor Beecher Crampton 1962-11-3 s.n. Yolo City of Davis. Comment
  CDA39755  Asclepias eriocarpa G. D. Barbe, Carl Miller 1976-5-28 2180 Yolo South of Road 68, about 0.25 miles west of Highway 16, south of Guinda. 0 Comment
  JEPS49955  Asclepias fascicularis Miss Rowena Beans Oct. 1913 Yolo Guinda Comment
  RSA401266  Asclepias fascicularis Glenn A. Gorelick 1965-8-26 s.n. Yolo By railroad tracks just before Low Water bridge, Davis Comment
  UCD121312  Asclepias fascicularis Collector unknown Date unknown s.n. Yolo Near Woodland. Comment
  UCD149329  Asclepias speciosa Collector Unknown 1925-6-13 s.n. Yolo University of California, Davis. University Farm. 15 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
  UCD138673  Asparagus officinalis subsp. officinalis Clarence R. Quick 1968-8-25 68 .04 Yolo Merritt Island. Near junction of country roads #140 and 142. 3.5 miles S of Clarksburg. Comment
  UCD35849  Astragalus douglasii Beecher Crampton 1965-4-27 7292 Yolo 3 miles n.w. of Dunnigan County Road 86. Comment
  UCD160477  Astragalus gambelianus Ellen Dean; Craig Thomsen 2015-3-21 8593 Yolo Audubon Bobcat Ranch. Western part of ranch, just north of Hwy 128 and N of Putah Creek. Area E of Bray Canyon near base of large escarpment labeled 'spring' on topo maps. Burned in 2014. 182 Comment
  CHSC79292  Astragalus tener Beecher Crampton 1966-4-19 7654 Yolo 1 mile S.W. of Saxon Station. Comment
  UC2014133  Astragalus tener var. ferrisiae Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo County: Yolo Bypass. Glide Ranch. Comment
  CAS-BOT-BC193346  Astragalus tener var. tener Beecher Crampton 1966-4-19 7654 Yolo 1 mile s.w. Saxon Station Comment
  UC1330016  Astragalus tener var. tener Beecher Crampton 1966-4-19 7654 Yolo 1 mi sw Saxon Station; sw Saxon Station Comment
  UCD105438  Astragalus tener var. tener D. H. Hartmann 1942-4-12 s.n. Yolo Along the railroad track north of Davis. Comment
  UCD105444  Astragalus tener var. tener J. M. Tucker 1951-3-25 2054 Yolo Beside the road (and in an adjacent field) paralleling the railroad to Woodland, 1.1 miles north of Davis. Comment
  UCD33057  Astragalus tener var. tener Beecher Crampton 1966-4-19 7654 Yolo Yolo County, 1 mile S.W. of Saxon Station. Comment
  UCD38348  Astragalus tener var. tener Beecher Crampton 1955-3-28 2347 Yolo About 4.5 to 5 miles southeast of Woodland. Junction County roads 103 and 25. Comment
  UCD114232  Athysanus pusillus Richard W. Cleveland 1951-2-23 7 Yolo Cache Creek Canyon, 5.3 miles northwest of Rumsey, border of Yolo and Colusa Counties. 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
  UCD97249  Atriplex argentea var. expansa M. Phillips 1929-10-1 2049 Yolo near Davis. Comment
  UCD38284  Atriplex cordulata B. Crampton 1952-10-24 872 Yolo 1.5 miles north of Davis along Southern Pacific Railroad property. Comment
  SEINET3140452  Atriplex depressa H. Stutz 1993-10-29 95979 Yolo Woodland Comment
  UCD32630  Atriplex depressa Beecher Crampton 1954-6-21 2004 Yolo Yolo County, 3 miles north of Davis. Comment
  CHSC106021  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. Throughout alkali grassland. In uplands near wet areas growing with Distichlis. UTM: 10S, 611779, 4278233. 4 Comment
  CHSC106022  Atriplex joaquinana Erica Smith 2008-4-18 12 Yolo City of Woodland Alkali Grassland Preserve managed by Center for Natural Land Management at the intersection of County Roads 103 and 25. South side of County Road 25. Throughout alkali grassland. In uplands near wet areas growing with Distichlis. UTM: 10S, 611779, 4278233. 4 Comment
  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
  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
  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
  UCD62928  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
  UCD62931  Atriplex joaquinana Erica Smith 2008-4-18 12 Yolo City of Woodland Alkali Grassland Preserve managed by Center for Natural Land Management at the intersection of County Roads 103 and 25. South side of County Road 25 4 Comment
  UCD97492  Atriplex joaquinana M. Wiesendanger 1927-4-29 601 Yolo Davis. Comment
  UCD35224  Atriplex lentiformis Beecher Crampton 1954-10-24 2298 Yolo Yolo county; UC Davis campus, slopes of old channel of Putah Creek. Comment
  CAS-BOT-BC168432  Atriplex parishii var. depressa H. C. Stutz 1995-8-7 9799 Yolo SE corner of Road 25 and 103 Comment
  SEINET4135668  Atriplex parishii var. depressa Howard C. Stutz 1993-9-2 95911 Yolo 5 mi. SE of Woodland.; 0 Comment
  UCD38278  Atriplex prostrata B. Crampton 1952-10-28 895 Yolo 1 mile east of Winters. Comment
  UCD97617  Atriplex prostrata P. N. Annand 1929-10-19 2078 Yolo west end of Yolo Causeway. Comment
  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
  UCD81883  Atriplex rosea Ellen Dean; K. Anderson and ethnobotany foraging group 2009-7-13 5782 Yolo city of Woodland. Woodland Regional Park. East side of County Road 102, just south of County Road 25. Old rodeo area with bare areas where buildings used to be. 9 Comment
  UCR212354  Atriplex rosea Erica Smith 2007-6-28 07 Yolo City of Woodland Alkali Grassland Preserve, managed by Center fro Natural Land Management, at the intersection of County Roads 103 and 25. South side of County Road 25. 5 Comment
  CDA2945  Atriplex rosea M. S. Bergseng 1958-10-12 1859 Yolo Near Elkhorn Village. 0 Comment
  SEINET4135953  Atriplex rosea Beecher Crampton 1985-9-5 10018 Yolo 3.5 miles SE of Woodland on road 25.; 0 Comment
  UCD37835  Avena barbata Beecher Crampton 1962-4-18 6225 Yolo Yolo County, city of Davis, Southern Pacific Railroad Station. Comment
  UCD73578  Avena barbata Ellen Dean; Elizabeth Goebel 2008-4-7 4722 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat in the northeastern part of the ranch that is accessed by a private road at the end of Moody Slough Road. 70 Comment
  UCD56308  Avena fatua E. G. Cakin 1947-3-27 s.n. Yolo Davis. Comment
  UCD69702  Avena fatua Kathy Baker 1982-6-6 33 Yolo Davis, field on west side of Adams Street. 50 yards from last house, 10 yards from road. On dry, rocky soil in full sun. 13 Comment
  UCR152295  Avena fatua Beecher Crampton 1955-12-13 3212 Yolo 0.25 mi south of Davis city limits, along US Hwy 40 at junction with Davis Road Comment
  UCD56467  Avena sativa C. B. Shah 1960-5-15 23 Yolo Davis. University of California campus. 15 Comment
  UCD56497  Avena sterilis Madson 1919-3-6 s.n. Yolo Davis. Comment
  UCD56499  Avena sterilis P. B. Kennedy 1915-1 s.n. Yolo Davis. Grass Garden (Thorburn). Comment
  UCD56538  Avena sterilis Beecher Crampton 1978-5-24 s.n. Yolo UC Davis campus. Agronomy Experimental area. Plant Introduction Nursery. Comment
  SEINET11695728  Avena sterilis Unknown 1965-5-12 T.O. 3722 Yolo UC Davis agronomy experimental area, plant introduction nursery, block L Comment
  UCD136016  Azolla filiculoides W. R. Russell; C. B. Heiser Jr. 1947-5-3 1908 f Yolo Under Yolo Causeway. Comment
  CAS-BOT-BC98751  Baccharis douglasii C. R. Quick 1972-7-30 72 -25 Yolo On bank of main drainage canal, along road 143, west of main pumping station south end of Merritt Island, about 20 miles Comment
  SBBG83448  Baccharis salicifolia D. Reed 1975-5-10 34 Yolo Putah Crk, ca. 0.7 mi W of jct of St Hwy 128 and County Rd 86 91 Comment
  UCD129450  Baccharis salicifolia subsp. salicifolia K. Esau 1931-4-26 2184 Yolo Putah Canyon. Comment
  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
  UCD97584  Bassia hyssopifolia R. N. Raynor 1941-8-11 s.n. Yolo near Clarksburg. Comment
  UC1872560  Bellis perennis Jean Shepard 2007-3-4 806 Yolo City of Davis, Slide Hill Park, south side of Temple Drive at Myrtle Place. Comment
  CDA21290  Bidens frondosa G. F. Hrusa, C. & E. Dogwin 2007-10-18 17077 Yolo Sacramento Delta; Merritt boat launch on W side of Sacramento River approx. 1 mi. N of Hood. 3 Comment
  UCD129457  Bidens frondosa Beecher Crampton 1953-9-30 1633 Yolo Knights Landing, Sycamore Slough. Comment
  UCD144274  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
  UCD129596  Blennosperma nanum J. M. Tucker 1951-2-22 2032 Yolo roadside around 1.5 miles north of Davis. Comment
  SEINET240472  Boissiera squarrosa Beecher Crampton 1964-5-4 T.O. 3505 Yolo UC Davis agronomy experimental area, plant introduction nursery, row J-53 Comment
  SEINET8574352 Image available Bolboschoenus fluviatilis C. F. Ehling 1951-5-19 46 Yolo Yolo bypass, 7 miles east of Davis 3 Comment
  UCD56820  Bothriochloa bladhii Beecher Crampton 1958-10-17 s.n. Yolo UC Davis campus. Comment
  UCD20183  Boussingaultia Cynthia Cheney 1969-8-22 s.n. Yolo Growing on south side of house at 411 University Avenue, Davis. Comment
  CDA31561  Bouteloua curtipendula Sartain & Rominger 1973-6-25 Yolo Northwest of Dunnigan, County Road #2 0 Comment
  UCD73105  Brachypodium distachyon Ellen Dean; Susan Xhang, Christa Lindsey, Chris Mosser 2008-5-3 4896 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
  UCD114606  Brassica juncea R. Raynor 1937-4-27 s.n. Yolo Davis. 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
  UCD114737  Brassica nigra A. S. Crafts 1932-6-6 2 Yolo 1 mi. e. of Davis. Comment
  UCD35640  Brassica nigra Beecher Crampton 1959-6-10 5340 Yolo Davis, north part of H St. Comment
  HSC6590  Brassica rapa M. Dole 1963-4-10 28 Yolo 0.5 mi. S of Hwy. 40 on Rd. 104 Comment
  UCD128349  Brassica tournefortii A. M. Shapiro 2011-1-4 s.n. Yolo West Sacramento. Roadside along West Capitol Avenue. Comment
  CAS-BOT-BC278146  Bridelia cathartica Eva Bayon 2012-10-19 3005 Yolo University of California, Davis. Botanical Conservatory 15 Comment
  UCD57135  Briza maxima Wayne Fregien 1963-5-1 s.n. Yolo Ca. 4 miles east of Davis. County Road 104. Hansen Ranch. Comment
  UCD147284  Briza minor Carol W. Witham 2003-4-8 911 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD57422  Briza minor Elizabeth Wilson Fall 1936 s.n. Yolo Davis. Comment
  SACT000471  Briza minor 1925-4-9 Yolo Comment
  UCD160169  Brodiaea elegans subsp. elegans Laura Losmozos 2015-4-12 2 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. 188 Comment
  UCD70206  Brodiaea elegans subsp. elegans D. Sanchez-Mata 1998-6-24 s.n. Yolo Rumsey. Cache Creek Ridge. Cache Creek Canyon Regional Park. 210 Comment
  UCD33164  Bromus Beecher Crampton 1967-4-26 7842 Yolo Yolo County, Davis, B st. between 3rd. and 4th. streets. Comment
  UCD60273  Bromus Beecher Crampton 1964-4-28 s.n. Yolo UC-Davis Campus, Agronomy Experimental Area, Plant Introduction Nursery. Comment
  UCR179379  Bromus alopecuros J. M. DiTomaso 2003-4-23 Yolo West of Winters, off Road 87 Comment
  SEINET240102  Bromus arenarius Beecher Crampton 1960-5-26 T.O. 2509 Yolo UC Davis agronomy experimental area, plant introduction nursery. Comment
  RSA655135  Bromus arizonicus Beecher Crampton 1956-4-19 3270 Yolo Davis. Along railroad embankment. Comment
  SBBG117244  Bromus arizonicus B. Crampton 1956-3-30 3238 Yolo Davis, Southern Pacific Railroad Stn Comment
  UCD36192  Bromus arizonicus Beecher Crampton 1953-4-11 1073 Yolo Davis, vacant lot. Comment
  UCD37837  Bromus arizonicus Beecher Crampton 1962-4-18 6227 Yolo Yolo County, city of Davis, Southern Pacific Railroad Station. Comment
  UCD57696  Bromus arizonicus Beecher Crampton 1972-4-5 8781 Yolo Davis. College Park and Eureka Ave. Comment
  SEINET7296799 Image available Bromus arizonicus Beecher Crampton 1956-1 3231 Yolo Southern Pacific RR Triangle, Davis Comment
  UCD57808  Bromus berteroanus Beecher Crampton 1961-4-10 T. O. 2483 Yolo Davis Campus. Agronomy Experimental Areas. Comment
  UCD58013  Bromus carinatus Gus H. Wendt 1915-4-17 s.n. Yolo Davis campus. Comment
  UCR152423  Bromus carinatus var. carinatus Beecher Crampton 1967-5-1 7844 Yolo Davis, B St. between 3rd and 4th Streets Comment
  UCD136167  Bromus caroli-henrici Andrew Raeburn 2013-7-1 s.n. Yolo in foothills of the Inner North Coast Range north of the town of Winters. At west end of County Road 87, near Union School Slough. Private land recently purchased by John Anderson. 113 Comment
  UCD33559  Bromus catharticus Beecher Crampton 1970-3-9 8534 Yolo Yolo County, UC Davis, Dairy road. Comment
  UCD33692  Bromus catharticus Beecher Crampton 1972-3-29 8778 Yolo Yolo County, UC Davis campus. Comment
  UCD36162  Bromus catharticus Beecher Crampton 1953-3-19 1012 Yolo Yolo County, city of Davis, at edge of field by overpass. Comment
  UCD58341  Bromus catharticus E. G. Cakin 1947-4-29 s.n. Yolo Davis. Comment
  UCD58362  Bromus catharticus Joseph M. DiTomaso 1976-3-21 340 Yolo Davis. Comment
  UCD58381  Bromus catharticus Beecher Crampton 1980-7-22 s.n. Yolo Davis. College Park X Russell Blvd. Comment
  UCD58413  Bromus catharticus P. Stern 1988-5-19 11 Yolo Davis. Between the Domes and Russell Park complex just W of UCD campus. Comment
  UCD58479  Bromus commutatus Beecher Crampton 1958-6-3 4869 Yolo Davis. Comment
  UCD21198  Bromus diandrus J. Shepard 2000-2-28 52 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. Near rows of Lombardy poplars. 12 Comment
  UCD32891  Bromus diandrus Beecher Crampton 1965-5-7 7313 Yolo Yolo County, Davis. Comment
  UCD80907  Bromus diandrus Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5311 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
  CDA1812  Bromus diandrus M. K. Bellue, C. R. Ball 1933-5-1 Yolo 0 Comment
  SEINET3922490  Bromus haenkeanus Beecher Crampton 1955-3-24 2341 Yolo City of Davis, University of California campus, Horticulture Lath House.; 0 Comment
  CAS-BOT-BC155289  Bromus hordeaceus A. A. Beetle 1942-6-1 3731 Yolo Davis. Comment
  RSA697039  Bromus hordeaceus Keith E. Hoffmaster 1946-4-19 1068 Yolo Davis Comment
  UCD21194  Bromus hordeaceus J. Shepard 2000-2-19 48 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, found north of parking lot to north of entrance road. 12 Comment
  UCD41017  Bromus hordeaceus Carol W. Witham 2003-4-11 948 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD56712  Bromus hordeaceus Ellen Dean; M. Bibbo 2007-3-23 3405 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SW portion of ranch. 649 Comment
  UCD58620  Bromus hordeaceus Beecher Crampton 1956-5-10 3364 Yolo Putah Creek. In the UC-Davis arboretum. 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
  UCR118895  Bromus hordeaceus Beecher Crampton 1985-4-17 9915 Yolo Sacramento Valley, Davis. 3rd Street near A Street and University Ave. 15 Comment
  UCR235434  Bromus hordeaceus George K. Helmkamp, E. A. Helmkamp 2012-4-17 18784 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
  CDA1801  Bromus hordeaceus M. K. Bellue 1933-5-3 Yolo 0 Comment
  HSC98353  Bromus laevipes J. V. Lenz 1947-5-8 Yolo Rumsey Comment
  UC1040708  Bromus laevipes Beecher Crampton 1956-5-31 3492 Yolo foothills 3.5 mi w of Winters (border of Yolo-Solano Counties) Comment
  UCD59348  Bromus laevipes Ellen Dean; Kate Mawdsley 2007-5-11 3772 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 part of ranch. 472 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
  SACT000589  Bromus mollis Lester Varozza 1960-4-24 Yolo 11 miles southwest of Davis; valley grasslands Comment
  UCD59526  Bromus rubens Beecher Crampton 1963-6-4 T.O 2887 Yolo UC-Davis Campus, Agronomy Experimental Area, Plant Introduction Nursery. Comment
  UCD59555  Bromus rubens E. G. Cakin 1947-4-29 s.n. Yolo Davis. Comment
  SEINET249951 Image available Bromus sterilis Beecher Crampton 1956-3-19 3233 Yolo Davis. Comment
  UCD34859  Bromus sterilis Beecher Crampton 1964-4-7 6918 Yolo Yolo County, Davis, Southern Pacific Railroad. Comment
  UCD36844  Bromus sterilis Beecher Crampton 1956-4-2 3239 Yolo Yolo County, city of Davis, Southern Pacific Railroad Triangle. Comment
  UCR119148  Bromus sterilis Beecher Crampton 1962-4-2 6111 Yolo Sacramento Valley, City of Davis, along Southern Pacific Railroad 15 Comment
  UCR152275  Bromus tectorum Beecher Crampton 1959-5-11 5207 Yolo Vaca Mountains, 7 mi west of City of Winters, Putah Creek Canyon, Cannon Ball Recreation Area Comment
  SEINET7992307  Buddleja scordioides T. R. Van Devender 2004-8-2 2004 -757 Yolo Davis Mountains, N of the Davis Mountain. 6.5 km S of Kent on TEX 118 Comment
  SEINET10587316  Bulbostylis capillaris John H. Redfield 1872-8-17 Redfield 8609 Yolo In pratis Jylo Semite, Calif. Comment
  SEINET3269554 Image available Caesalpinia gilliesii M. F. Wojciechowski 2000-4-15 882 Yolo Davis, residential area, east side of town. Comment
  RSA0054947  Calandrinia caulescens Lois Weston 1942-4-7 1163 Yolo Davis campus. 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
  UCR106849  Calandrinia ciliata Claire Warshaw 1985-4-10 01 Yolo City of Davis, near intersection of Highway 113 and Hutchison Drive 12 Comment
  CAS-BOT-BC438636  Calandrinia ciliata R. H. Miller 1949-4-16 30 Yolo University Farm, Davis Comment
  CAS-BOT-BC438638  Calandrinia ciliata W. D. Hamilton 1946-3-15 s.n. Yolo Davis Comment
  UCD67388  Calandrinia ciliata Christine Armer 1992-4-18 1 Yolo Davis, Putah Creek Road near Stevenson Bridge Road, edge of orchard. 15 Comment
  UCD55486  Callitriche longipedunculata J. Shepard 2004-3-21 638 Yolo East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east on unpaved entrance road nearly to DOD fence, thence south .2 mi. to finger of vernal pool straddling DOD fence. 10 Comment
  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
  RSA255586  Calycadenia pauciflora Gerald D. Carr 1971-9-28 676 Yolo 7.5 miles SW of Brooks, 1.5 miles north of Berryessa Peak, 300 yards east of road 640 Comment
  UC1876270  Calycadenia pauciflora Gerald D. Carr 1971-9-16 661 Yolo 4.2 mi SW of Guinda on Rd. 53. 495 Comment
  UC1876640  Calycadenia pauciflora Gerald D. Carr 1971-9-28 676 Yolo 7.5 mi SW of Brooks, 1.5 mi N of Berryessa Peak. 300 yards E of road. 640 Comment
  UCD63077  Calystegia occidentalis Ellen Dean 2008-4-9 4786 Yolo Tuleyome Ireland Ranch. Central part of Ranch along main canyon. 591 Comment
  HSC62856  Calystegia purpurata subsp. purpurata J. M. DiTomaso 1979-5-12 988 Yolo Next to Putah Creek below Monticello Dam 91 Comment
  UCD62882  Camissonia contorta Christopher Michael Bronny 2008-4-4 s.n. Yolo West Sacramento, Land-side toe of levee on South River Road. River Mile 57.2. 6 Comment
  RSA41330  Camissonia ignota Robert F. Hoover 1938-4-23 3199 Yolo Grade on Rumsey - Arbuckle Road. Comment
  RSA41320  Camissonia intermedia Robert F. Hoover 1938-4-23 3195 Yolo Grade on Rumsey - Arbuckle Road. Comment
  UCD103449  Camissoniopsis hirtella Collector Unknown 1932-5-1 s.n. Yolo Putah Creek. Comment
  UC763012  Camissoniopsis ignota R. F. Hoover 1938-4-23 3199 Yolo grade on Rumsey-Arbuckle road Comment
  UCD168499  Camissoniopsis intermedia Ellen Dean; C. Thomsen and M. Hoshovsky 2017-3-29 9290 Yolo Audubon Bobcat Ranch, west side of ranch, north of Hwy 128, near western property boundary. Top of rock outcrops above Hwy 128 and Bray Canyon north of transmission power lines tower. Area has burned three times in the last three years. 241 Comment
  CDA22250  Cannabis sativa M. K. Bellue 1933-9-1 Yolo 0 Comment
  CAS-BOT-BC184980  Capillipedium parviflorum Beecher Crampton 1957-9-24 s.n. Yolo Agronomy experimental areas, Davis Campus. Comment
  UCD57792  Capillipedium parviflorum Beecher Crampton 1957-9-24 s.n. Yolo UC Davis Campus, Agronomy Experimental Areas. Comment
  UCD114165  Capsella A. A. Beetle 1945-2-22 4190 Yolo Cottonwood Slough, southwest of Madison. Comment
  UCD114150  Capsella bursa-pastoris Ogden C. Riddle 1942-3-1 2 Yolo near greenhouse on UC Davis campus. Comment
  UCD19421  Capsella bursa-pastoris J. Shepard 2000-2-7 33 Yolo Grasslands Regional Park. East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd.(County Road 104), thence east along unpaved entrance road; immediately to the north in a graveled parking lot. 12 Comment
  CAS-BOT-BC37055  Capsella bursa-pastoris Oakley Shields 1970-3-19 66 Yolo Thompson Canyon, 1 mile northeast of Monticello, Vaca Mountains, west of Winters. Comment
  SEINET800705  Capsella bursa-pastoris Anne Sutherl 1963-1 2 Yolo University of California, Davis 15 Comment
  UCD114123  Capsella bursa-pastoris Beecher Crampton 1957-3-26 3898 Yolo Landscape Management Plots, UC Davis Campus. Comment
  UCD114163  Capsella bursa-pastoris M. Wiesendanger 1927-4-29 611 Yolo Woodland. Comment
  UCD14253  Capsella bursa-pastoris Wayne Padgett 1974-5-7 35 Yolo Yolo County, University of California at Davis campus, in experimental garden area behind Briggs Hall; Comment
  UCD14255  Capsella bursa-pastoris Eileen F. Chun 1974-5-14 83 Yolo Yolo County, Davis, Experimental College Gardens; 15 Comment
  UCD14260  Capsella bursa-pastoris Peter Stekel 1974-4-4 2 Yolo Davis, along road to University of California, Davis Zoological Area, more or less 1 mile south of Russell Blvd. and Highway 113. 19 Comment
  UCD20159  Cardamine hirsuta Tom Lanini 2002-4-3 s.n. Yolo UC Davis greenhouse. Contaminant in greenhouse soil. Comment
  UCD161223  Cardamine oligosperma Jean Shepard 2011-3-5 s.n. Yolo West of Woodland, Co Rd 16 to Guinda. W on Forest Ave (Co Rd 53) about 1 mi to gate. Continue about 1 mi past gate. 198 Comment
  UCD168433  Cardamine oligosperma Ellen Dean 2017-3-15 9255 Yolo Audubon Bobcat Ranch, lands north of Hwy 128, just east of Monticello Dam. Bray Canyon and vicinity on the western side of ranch. Ranch burned once each year in 2014, 2015, 2016. 2017 has been a high rainfall year. Lower reaches of Bray Canyon on west side of creek. 57 Comment
  UCD41026  Cardamine oligosperma Carol W. Witham 2003-4-11 957 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD73088  Cardamine oligosperma Ellen Dean; Plant Biology 102 students 2008-4-6 4711 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. 77 Comment
  UCD114536  Cardamine oligosperma Rolf Y. Berg 1964-3-14 s.n. Yolo Cache Creek Canyon, along State Highway 16, 2-5 miles northwest of Rumsey. Comment
  CDA3645  Cardaria draba G. D. Barbe 1991-4-26 4408 Yolo Corner of Jefferson Boulevard at Courtland Road, west of Elkhorn Slough. 0 Comment
  CDA3647  Cardaria draba G. D. Barbe 1991-4-26 4408 Yolo Corner of Jefferson Boulevard at Courtland Road, west of Elkhorn Slough. 0 Comment
  RSA531017  Cardaria draba Glenn A. Gorelick 1966-5-15 s.n. Yolo 5 miles E of Woodland on Hwy 16. 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
  CDA16213  Carex barbarae G. F. Hrusa 1998-4-3 14193 Yolo Sacramento Valley; Tule canal. Ditch at intersection of Tule canal & Main St. exit (Hwy 16), +- 5 m, E oWoodland. Common here, rhizomatous. 0 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
  RSA374497  Carex barbarae A. C. Sanders 1984-6-18 5066 Yolo Sacramento Bypass near Bryte, just northwest of Sacramento, bed of the bypass 1 mile west of the Sacramento River., (Near 121d 34 W, 38d 36 N). Comment
  SEINET8700377 Image available Carex praegracilis Everett Everson 1951-4-19 34 Yolo 9.4 miles southeast of Davis, beside county road 34A Comment
  CAS-BOT-BC117396  Carex senta Anne Sutherland 1963-3-8 11 Yolo Putah creek canyon, Hwy 128 near Recreation Beach on creek side of road. Comment
  CDA19175  Carthamus creticus J. King 2001-6-5 PDR 1143171 Yolo Sacramento Valley; County Rd. 54, Guinda. 0 Comment
  CDA37690  Carthamus lanatus Robin Breckenridge 2005-5-6 s.n. Yolo Guinda, near the edges of Cache Creek. 0 Comment
  UCD144416  Carthamus tinctorius G. F. Hrusa 1998-7-11 14706 Yolo Highway 16 at south edge of Woodland approximately 1/3 mile north of Road 25a. 15 Comment
  UCD21526  Casimiroa edulis Duane Gooden 2003-3-14 s.n. Yolo UC Davis campus, north of Buehler Alumni/Visitors Center : Environmental Horticulture Garden. Tree, 20'. Comment
  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
  JEPS103909  Castilleja applegatei subsp. martinii T. I. and F. M. Chuang 1991-6-23 7837 Yolo 3 mi S of Colusa and Yolo Co. line, on highway 16. Comment
  JEPS5855  Castilleja applegatei subsp. martinii E. H. Everson 1951-2-24 Yolo 3.5 mi nw Rumsey; Cache Creek Comment
  UC630439  Castilleja applegatei subsp. martinii Annetta Carter 1938-5-7 1362 Yolo Cache Creek Canyon, 3.6 miles north of Rumsey, Inner North Coast Range Comment
  UCR206548  Castilleja applegatei subsp. pinetorum George K. Helmkamp, E. A. Helmkamp 2009-3-17 14403 Yolo Inner North Coast Ranges Foothills, along CA-20 and Cache Creek, 4.3 miles southeast of the Colusa County line 159 Comment
  UCD149350  Castilleja attenuata R. Gay 1954-4-14 s.n. Yolo City of Madison, V. Mast Ranch. 44 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
  HSC20885  Castilleja exserta subsp. exserta M. Dole 1963-4-9 17 Yolo 2 mi. W of Zamora on Rd. 15 Comment
  UCD19503  Castilleja exserta subsp. exserta Terry Reedy 1974-4-6 72 Yolo 2.5 mi. west of Winters on Highway 128, beside road. 45 Comment
  JEPS8774  Castilleja foliolosa W. L. Jepson 1934-7-28 16745 Yolo Rumsey Comment
  UCD122544  Castilleja foliolosa D. Sanchez-Mata 1998-6-24 s.n. Yolo Rumsey. Cache Creek Ridge. Cache Creek Canyon Regional Park. 170 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
  UCD122538  Castilleja foliolosa Ogden C. Riddle 1942-3-29 26 Yolo Putah Canyon. Comment
  UCD55501  Caulanthus lasiophyllus J. Shepard 2000-5-18 253 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east .2 mi. along unpaved entrance road, then south along track. 12 Comment
  UCD58085  Caulanthus lasiophyllus Ellen Dean; K. Mawdsley 2007-4-6 3623 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. Along Loop Road. 478 Comment
  CAS-BOT-BC49335  Ceanothus cuneatus Ella Dales Cantelow 1940-3-9 4290 Yolo Putah Creek Canyon near Red Bud Park Comment
  SACT002916  Ceanothus cuneatus John Willoughby 1977-3-16 Yolo Collected just west of junction of State HIghway 128 and Pleasants Valley Road, riparian woodland. Comment
  UCD111767  Ceanothus cuneatus Marvin L. Nies 1951-2-23 4 Yolo 5 miles northwest of Rumsey. 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
  UCD73673  Ceanothus cuneatus Ayzik Solomeshch 2004-5-3 s. n. Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Northeastern part of ranch, Maxwell Flat area, accessed by private road that is at the end of Moody Slough Rd. 71 Comment
  UCD34944  Ceanothus griseus var. horizontalis Beecher Crampton 1992-5-27 s.n. Yolo Yolo County, Davis. Comment
  SBBG50600  Ceanothus oliganthus var. sorediatus R. D. Deragisch 1969-4-20 6 Yolo 5St, Hwy 16, 5.3 mi S of Colusa County line Comment
  CAS-BOT-BC184961  Cenchrus longispinus Beecher Crampton 1981-10-13 9794 Yolo 6 miles west of Winters along Highway 128, Putah Creek Canyon. Comment
  UCD34380  Cenchrus longispinus Beecher Crampton 1981-10-13 9794 Yolo Yolo County, 6 miles west of Winters along Hwy. 128, Putah Creek Canyon. Comment
  UC735718  Centaurea calcitrapa Charles B. Heiser Jr. 1947-6-1 1923 Yolo Davis Comment
  CAS-BOT-BC276976  Centaurea calcitrapa A. S. Crafts No date on label s.n. Yolo Near Davis Comment
  CDA7094  Centaurea calcitrapa A. S. Crafts 1932-6-6 Yolo 1 mile east of Davis. 0 Comment
  CDA7202  Centaurea calcitrapa G. D. Barbe 1984-6-28 4175 Yolo Eastern shore of Lake Berryessa, west of Running Deer Ranch near lake shore; 2.5 miles south of Berryessa-Knoxville Road. 0 Comment
  UCD130004  Centaurea calcitrapa Chas. B. Heiser Jr. 1947-7-10 1923 -a Yolo Davis. Comment
  CDA7226  Centaurea iberica G. D. Barbe 1984-4-25 4153 Yolo 0.3 mile east of ranch headquarters, Glide Ranch; east of Road 106, 1.4 miles south of Road 36; also around corral west of headquarters. Comment
  UCD130065  Centaurea melitensis W. T. P. 1916-9-1 s.n. Yolo barley field near Davis. Comment
  UCD39206  Centaurea melitensis Beecher Crampton 1953-5-19 1311 Yolo 6 miles west of Winters. Roadside bank along Putah Creek. Comment
  RSA44385  Centaurea repens C. B. Heiser Jr. 1947-6-10 1934 Yolo Near midget auto tracks, West Sacramento Comment
  SEINET11262180  Centaurea solstitialis Glen Luft 1982-6-4 5 Yolo Along Chiles Road.; 0 12 Comment
  SEINET13203111 Image available Centaurea solstitialis George K. Helmkamp, Mary Alice Barnes 2013-1 20517 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
  UCD130071  Centaurea solstitialis J. K. Couch 1995-6-5 38 Yolo In Community Gardens in Davis, CA. 1.5 miles north of Putah Creek, bordering 113. 16 Comment
  UCD149330  Centaurea solstitialis Collector Unknown 1925-6-17 s.n. Yolo University of California, Davis. University Farm. 15 Comment
  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
  UCD21348  Centaurea solstitialis J. Shepard 2000-11-11 359 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. Growing in an open field approximately 0.25 miles east of entrance. 12 Comment
  CDA7315  Centaurea solstitialis G. D. Barbe 1980-4-16 2573 Yolo Southwest corner County Roads 14 & 88, north of Esparto. 0 Comment
  CDA7317  Centaurea solstitialis G. D. Barbe 1980-4-16 2572 Yolo Southwest corner County Roads 14 & 88, north of Esparto. 0 Comment
  CDA7318  Centaurea solstitialis M. K. Bellue 1931-9-4 Yolo Near Davis. 0 Comment
  NY444436  Centaurea solstitialis R. H. Miller 1117 Yolo Comment
  UCD130076  Centaurea solstitialis June McCaskill 1961-8-14 632 Yolo east side of G Street where 7th Street intersects it, Davis. 15 Comment
  UCD15685  Centaurea solstitialis David Uyeno 1989-6-4 8 Yolo Chiles Rd, Davis. 12 Comment
  CAS-BOT-BC279096  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-BC279098  Centromadia parryi subsp. rudis A. J. Bassinger 1920-11-1 s.n. Yolo Woodland Comment
  CAS-BOT-BC279101  Centromadia parryi subsp. rudis A. A. Heller 1940-9-16 15838 Yolo About a mile north of Zamora on U. S. Highway #99W Comment
  CAS-BOT-BC279103  Centromadia parryi subsp. rudis David D. Keck 1932-7-7 1731 Yolo About 6 mi. S. of Woodland, (3 mi. N. of intersection with Sacramento road) 30 Comment
  CAS-BOT-BC279104  Centromadia parryi subsp. rudis David D. Keck 1933-10-28 2592 Yolo 1/2 mi. W. of Yolo Causeway, on road from Sacramento to Davis Comment
  CAS-BOT-BC279107  Centromadia parryi subsp. rudis H. M. Hall 1916-8-10 10278 Yolo Woodland, Sacramento Valley Comment
  UC197505  Centromadia parryi subsp. rudis H. M. Hall 1916-8-10 10278 Yolo Woodland Sacramento Valley, Woodland Comment
  UCD135690  Centromadia parryi subsp. rudis Bruce G. Baldwin 1985-10-15 545 Yolo west edge of Yolo Causeway between Interstate 80 and the Davis-Sacramento railroad tracks. Comment
  UCD77496  Centromadia parryi subsp. rudis Robert E. Preston 1999-8-20 1235 Yolo 3.1 mi E of Mace Blvd in Davis, at W end of the Yolo Causeway, in low area between Interstate 80 and the frontage road, T8N R2E SE 1/4 Sec 4 4 Comment
  UCD120209  Centromadia pungens Ellen Dean 2012-4-19 7323 Yolo Along C.R. 103 near Conaway Ranch, east side of road. About 1 mile south of C.R. 25. Remnant alkali plain vegetation in weedy roadside. 10 Comment
  UCD130202  Centromadia pungens P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Company. Clarksburg, Sacramento River. Comment
  UCD41296  Centromadia pungens Ellen Dean; Jean Shepard 2003-5-18 1800 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
  UCD73030  Centromadia pungens Ellen Dean; Erika Smith and Casey Woodall 2008-5-12 4911 Yolo City of Woodland Alkali Grassland Preserve managed by Center for Natural Land Management on the south side of County Road 25, west of Road 103. 4 Comment
  UCD81064  Centromadia pungens Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5598 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
  UCD130208  Centromadia pungens H. Sevier 1931-6-24 2232 Yolo Davis. Comment
  UCD130209  Centromadia pungens J. Skoss 1948-6-5 12 Yolo along Southern Pacific Railroad, 2 miles north of Davis along county road. Comment
  UCD14952  Centromadia pungens Lori Ann Doi 1977-5-19 10 Yolo 0.5 miles east of Road 99 along Road 29 in north Davis. Comment
  CAS-BOT-BC279410  Centromadia pungens subsp. pungens A. A. Heller; H. E. Brown 1902-4-30 5433 Yolo Near Black's Comment
  CAS-BOT-BC279406  Centromadia pungens subsp. pungens H. M. Hall 1930-8-11 12878 Yolo West Sacramento Comment
  UCD35815  Cephalanthus occidentalis B. Crampton 1962-8-27 6644 Yolo 4.6 miles s.e. of Knight's Landing, along the Sacramento River. Comment
  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
  CHSC101552  Cephalanthus occidentalis var. californicus G. F. Hrusa 2007-7-22 17074 Yolo On shoreline in sandy intertidal area at Yolo County Boat Launch, W side Sacramento River, +/- 1 mile N of Hood (Sacramento Co.). 3 Comment
  JEPS12452  Cephalanthus occidentalis var. californicus W. L. Jepson 1934-7-28 16743 Yolo Capay Valley Comment
  UCD144786  Cerastium glomeratum Carol W. Witham 2003-4-9 919 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD21378  Cerastium glomeratum J. Shepard 2001-3-26 419 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 4 mi. south on Mace Blvd. (County Road 104), thence east 0.5 miles along County Road 36. About 50 yards north of fence at road and 100 yards west of Department of Defense property fence. 12 Comment
  UCD73600  Cerastium glomeratum Ellen Dean; Elizabeth Goebel 2008-4-7 4732 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
  CAS-BOT-BC207763  Cercis occidentalis Lincoln Constance 1938-3-27 2046 Yolo Monticello-Winters road, 8 mi NW of Winters, Vaca Mountains, Inner North Coast Ranges, on Putah Creek 304 Comment
  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
  RSA29316  Cercis occidentalis Joseph A. Ewan 1934-3-18 8688 Yolo Putah Creek, 8 miles above Winters. Comment
  RSA801720  Cercis occidentalis Lois Weston 1942-4-24 1138 Yolo Putah Canyon. Comment
  UC334393  Cercis occidentalis unknown 1891-5-28 Yolo Capay Valley Comment
  UC723821  Cercis occidentalis Joseph Andorfer Ewan 1934-3-18 8688 Yolo 8 mi above Winters; Putah Creek 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
  UCD18531  Chaenomeles June McCaskill 1954-4-13 229 Yolo city of Davis, 427 L St., in yard. Comment
  CHSC117311  Chamaesyce nutans B. Castro; Tom Boullion 2008-9-17 1768 Yolo Sacramento Valley. Ca 2.7 air mi SE of Knights Landing, via Road 116B, just W of 'Wild Irishman Bend' on topo map, on W bank of the Sacramento River at RM 85.6, not far off road. 11 Comment
  UCD34228  Chamomilla suaveolens Beecher Crampton 1978-5-8 9581 Yolo 1/4 mile south of Saxon Station. Comment
  UCD97773  Chenopodium album P. B. Kennedy 1920-6-23 s.n. Yolo Clarksburg -- Sacramento River. Holland Land Co. Comment
  CDA2990  Chenopodium album M. S. Bergseng 1958-10-12 Yolo Highway # 16-24, near Elkhorn Village, west of Sacramento. 0 Comment
  SFV8397  Chenopodium album R. Beaver 1965-5-19 161 Yolo Sacramento Valley Along dry creek bed about 200 yards south of Barthel Mobile Park, south of Davis. 15 Comment
  UCD97760  Chenopodium album Chas. Heiser 1947-7-9 1949 Yolo On campus, Davis. Comment
  RSA771183  Chenopodium ambrosioides Barbara Ertter 1988-10-21 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 W of Woodland. 37 Comment
  CHSC117349  Chenopodium ambrosioides var. suffruticosum B. Castro; Tom Boullion 2008-9-17 1769 Yolo Sacramento Valley. CA 3 air mi SE of Knights Landing, via Road 116B, W of 'Wild Irishman Bend' on tpo map, on W band of the Sacramento River at RM 85.6. Not far above river, along lower fenceline of disturbed, irrigated 2 year-old riparian revegetation site. 10 Comment
  JEPS84728  Chenopodium berlandieri John W. Willoughby 1979-8-13 4402 Yolo fishing access along State Hwy 128 about 2.9 mi nw junction of highway and Pleasants Valley Rd (County Rd 86); Vaca Mountains, Putah Creek 60 Comment
  UCD81847  Chenopodium berlandieri Ellen Dean; M. Showers, G. Harrington 2009-6-3 5766 Yolo Woodland Regional Park. City of Woodland property on the E side of County Road 102, just S of County Road 25. Old rodeo area with buildings now removed. 9 Comment
  SEINET9338763  Chenopodium californicum Unknown 1998-3-21 Yolo Hwy 16 along Cache Creek at the rafting put-in. 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
  UCD73834  Chenopodium glaucum Jean Shepard 2008-7-5 817 Yolo City of Davis, Covell Blvd. to Alhambra Dr., at entrace to Mace Ranch subdivision. Comment
Read comments
Jun 16 2010
  UCD63137  Chenopodium murale A. M. Shapiro 2007-8-30 s.n. Yolo California. Yolo County: UC Davis campus. Comment
  UCD98313  Chenopodium murale H. R. Drever 1945-6-1 s.n. Yolo Davis. Comment
  UCR266502  Chenopodium rubrum var. rubrum Ellen Dean, C. Robbins 2013-8-28 7994 Yolo Sacramento Valley, 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
  CDA1899  Chloris virgata Arthur M. Shapiro 1996-7-4 s.n. Yolo Road 29, opposite end of F Street, approximately 2 miles north of Davis. 0 Comment
  CHSC79399  Chloris virgata Beecher Crampton 1955-8-23 3140 Yolo 3 miles north of city of Davis, along U. S. Highway 99W. Comment
  SBBG21232  Chloris virgata B. Crampton 1955-8-23 Yolo 3 mi N of Davis; US Hwy 99 Comment
  UC1040705  Chloris virgata Beecher Crampton 1955-8-27 3140 Yolo along US Hwy 99W 3 mi n Davis Comment
  UCD34699  Chloris virgata Beecher Crampton 1988-9-6 10143 Yolo Yolo County, along road 98 just north of jct. with road 25A. Comment
  SEINET3926099  Chloris virgata Beecher Crampton 1988-9-6 10143 Yolo Along road 98 just north of jct. with road 25A.; 0 Comment
  CAS-BOT-BC39660  Chorispora tenella Beecher Crampton 1969-4-7 8395 Yolo Woodland, Cross and East streets. Comment
  UCD33487  Chorispora tenella Beecher Crampton 1969-4-7 8395 Yolo Yolo County, Woodland, Cross and East streets. Comment
  UCD33532  Chorispora tenella Beecher Crampton 1969-5-12 8444 Yolo Yolo County, Woodland at Cross street and the Southern Pacific railroad. Comment
  CHSC100176  Chorizanthe membranacea John Dittes 2007-5-20 1451 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
  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
  UCD99747  Chorizanthe membranacea K. Esau 1935-5-8 s. n. Yolo Yolo County, Putah Canyon. Comment
  POM165152  Chorizanthe membranacea C. F. Baker 1903-5-8 2992 Yolo Summit of Yolo Mountains 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
  UCD130482  Cichorium intybus S. C. Hanson 1949-5-15 22 Yolo Yolo Bypass, 2 miles southwest of Sacramento. Comment
  UCD130494  Cichorium intybus J. D. Skoss 1948-8-12 87 Yolo University of California campus, Davis. Comment
  UCD33460  Cichorium intybus Beecher Crampton 1968-7-31 8317 Yolo Davis. Comment
  SEINET8194558 Image available Cinnamomum camphora Houston B. Couch 1953-5-6 26 Yolo Cultivated on University of California campus, Davis Comment
  SEINET8194561 Image available Cinnamomum camphora J. M. Tucker 1948-5-22 1678 Yolo University of California campus, Davis Comment
  CAS-BOT-BC286384  Cirsium occidentale var. venustum Roxana Stinchfield 1916-6-26 344 Yolo Buckeye Creek West of R.R. crossing Comment
  UCD34439  Clarkia affinis Beecher Crampton 1983-5-23 9871 Yolo 2 miles W of Winters. Comment
  UCD15645  Clarkia concinna Rachelle Raymond 1989-5-29 605 Yolo Off road 128, few miles below Stebbins. 121 Comment
  CAS-BOT-BC163396  Clarkia purpurea subsp. purpurea B. 5065 Yolo Cache Creek [Canon] Canyon Comment
  CHSC74996  Clarkia purpurea subsp. quadrivulnera E. D. Appenzeller 1995-5-28 19 Yolo West of city of Winters; off hwy 128 near Stebbins Cold Canyon. Comment
  JEPS43588  Clarkia purpurea subsp. quadrivulnera Elizabeth Ferguson 1920-5-15 342 Yolo w Winters; Putah Creek Comment
  SEINET5740172 Image available Clarkia unguiculata John R. Bowen 1973-1 26 Yolo State Hwy 16, 12 miles S of its junction with State Hwy 20, W side of Cache Creek Canyon.; Cache Creek Canyon 213 Comment
  UCD48080  Claytonia parviflora Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 20 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
  SFV8733  Claytonia parviflora subsp. parviflora R. H. Saigo 1961-4-24 16 Yolo Sacramento Valley Davis. 703 3rd Street. 15 Comment
  UCD149325  Claytonia perfoliata Collector Unknown 1925-2-21 s.n. Yolo City of Davis. 15 Comment
  UCD21354  Claytonia perfoliata J. Shepard 2001-2-25 382 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. In the southeast corner of the park, bounded by DOD fence and County Road 36. 12 Comment
  SEINET197465 Image available Claytonia perfoliata subsp. perfoliata Everett H. Everson 1951-2-23 2 Yolo Cache Creek Canyon, 5.3 mi NW of Rumsey, border of Yolo and Colusa counties. 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
  UCD100820  Claytonia perfoliata subsp. perfoliata B. A. Madsm 1925-3-19 s.n. Yolo Agron. Tract, Davis. Comment
  CAS-BOT-BC91339  Clematis lasiantha W. D. Hamilton 1946-3-29 s.n. Yolo Putah Canyon. Comment
  CHSC57496  Clematis lasiantha Steven Triano 1987-4-13 41 Yolo Ca. 37 mi nw of Woodland, ca. 30 ft e of Hwy 16. 167 Comment
  UCD48212  Collinsia heterophylla Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 14 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
  UCD58049  Collinsia heterophylla Ellen Dean; K. Mawdsley 2007-4-6 3589 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
  UCD123572  Collinsia heterophylla H. Currier; C. B. Heiser, Jr 1947-4-10 1901 Yolo off Higway 16, ca. 1 mile northwest of Rumsey. Comment
  POM181668  Collinsia sparsiflora L. Williams 1927-3-22 s.n. Yolo Canyon of Putah Creek. Comment
  UCD168439  Collinsia sparsiflora Ellen Dean 2017-3-15 9261 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
  UCD20795  Collinsia sparsiflora N. Nicola; C. Kremen 2001-3-16 11 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. 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
  UCD48208  Collinsia sparsiflora var. sparsiflora M. K. Voigt; E. Sweeney and M. Miller 2002-4-13 12 Yolo McLaughlin UC Reserve. W side of Davis Creek Reservoir, 10 m S of road that goes form 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 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
  CHSC79239  Comarostaphylis diversifolia subsp. planifolia Don K. Sexton 1956-3-25 204 Yolo Area 3, U. C. Arboretum, Davis. Comment
  UCD20859  Conium maculatum N. Nicola 2001-2-5 076 Yolo Sacramento Valley, 4 miles west of Woodland, at Cache Creek Nature Preserve, riparian zone of Cache Creek. Comment
  UCD36841  Conium maculatum Beecher Crampton 1956-3-27 3234 Yolo city of West Sacramento, eastern bank of Yolo Causeway. Comment
  UCD39211  Conium maculatum Beecher Crampton 1953-5-28 1345 Yolo 2 miles west of West Sacramento. East end of the Yolo Causeway. 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
  UCD13410  Convolvulus arvensis K. Meares 1996-9-24 15 Yolo City of Davis, northern part. In field at end of Encina Ave. 15 Comment
  CDA36797  Convolvulus arvensis K. Davis 1976-6-3 1 Yolo Sutter Island; bank of Sacramento River. 0 Comment
  SEINET233342 Image available Convolvulus arvensis Steven Clendenning 1973-5-22 141 Yolo U.C. Davis campus, north of Briggs Hall 20 Comment
  SFV8756  Convolvulus arvensis D. Barber 1974-5-28 41 Yolo Sacramento Valley Davis. Alogn bike path at corner of Russell Boulevard and La Rue Road. Comment
  UCD126199  Convolvulus arvensis P. B. Kennedy 1920-6-23 s.n. Yolo Clarksburg, Sacramento River. Comment
  UCD14213  Convolvulus arvensis Joan Alleguer 1974-5-20 43 Yolo Yolo County; U.C. Davis campus, near the medical school 15 Comment
  UCD14215  Convolvulus arvensis Steven Clendenning 1973-5-22 141 Yolo Yolo County; U.C. Davis campus, north of Briggs Hall; 15 Comment
  UCD14600  Convolvulus arvensis Wendy Weber 1989-6-10 25 Yolo Davis, at the east end of Loyola Road, 1/4 mile north along a drainage ditch, near 'Anderson Ranch', 13 Comment
  UCR219957  Conyza bonariensis Ayzik Solomeshch 2004-5-14 s.n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of the ranch. Grassland restoration and weed contol plots of Emilio Laca and Joe DiTomaso 84 Comment
  CDA16249  Conyza canadensis G. F. Hrusa 1997-11-11 14129 Yolo Sacramento Valley; Sacramento bypass entrance into Yolo bypass at crossing of River Rd. in W Sacramento, ~ 1/4 mi W of Sacramento River outflow. 0 Comment
  CDA16255  Conyza canadensis G. F. Hrusa 1997-10-13 14122 Yolo Sacramento Valley; Sacramento R. immediately S of I-5 ~ 5 mi E of Woodland (near Tule Canal). Mostly along railroad tracks parallel to river on N side. 0 Comment
  JEPS82992  Cordylanthus palmatus L. R. Heckard 1963-8-10 6145 Yolo about 3 mi se Woodland (just n of Road 25 and w of Road 103) Comment
  UCR246504  Cordylanthus palmatus Beecher Crampton 1978-6-26 9606 Yolo Sacramento Valley, 4 miles southeast of Woodland 15 Comment
  UC1360402  Coriandrum sativum June McCaskill and Katherine Onaga 1968-4-22 732 Yolo Davis; nw corner of intersection of Russell Blvd. and State Highway 113, in rubble of torn down Chinese restaurant Comment
  SFV8561  Coriandrum sativum N. Schaad 1966-5-3 33 Yolo Sacramento Valley Comstock Golf Course, U. S. Highway 99W, 3 miles north of Davis. 15 Comment
  SEINET241297 Image available Cornucopiae cucullatum Beecher Crampton 1965-4-7 T.O. 3328 Yolo UC Davis agronomy experimental area, plant introduction nursery, row L-105 Comment
  CAS-BOT-BC209748  Cornus glabrata Clarence Quick 1970-5-4 70 -01 Yolo Merritt Island near Clarksburg Comment
  SEINET11248504 Image available Cotoneaster pannosus Charles C. Adamson 1960-5-22 39 Yolo County Road 98, 1.5 miles west of Davis Comment
  UCD80938  Cotula coronopifolia Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5341 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
  UCD80825  Crassula aquatica Ellen Dean 2009-3-22 5283 Yolo city of Woodland. Mavis Henson Field property on the east side of county road 102, just south of county road 25. Property owned by city of Woodland. Field near center of property previously used for parking for rodeo shows. NE corner of field. 9 Comment
  UCD81416  Crassula aquatica J. Shepard 2003-4-27 599 -B Yolo Grasslands Regional Park. East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd.(County Road 104), thence east .2 mi along unpaved entrance road, then south along the north-south access road. 12 Comment
  UCD101828  Crassula connata Robert C. Bechtel 1952-3-16 23 Yolo Putah Canyon. 60 Comment
  UCD101829  Crassula connata A. A. Beetle 1945-2-15 4182 Yolo Putah Creek Canyon, west of Winters. Comment
  UCD160468  Crassula connata Ellen Dean; Craig Thomsen 2015-3-21 8588 Yolo Audubon Bobcat Ranch. Western part of ranch, just north of Hwy 128 and N of Putah Creek. Area E of Bray Canyon near drainages that descend from large escarpment labeled 'spring' on topo maps. 102 Comment
  UCD55491  Crassula connata J. Shepard; E. Dean, B. Rice, P. and R. Unger, B. Salvia 2004-3-28 657 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east on unpaved entrance road nearly to DOD fence, thence south .2 mi. to vernal pool straddling fence. 10 Comment
  UCD160470  Crassula tillaea Ellen Dean; Craig Thomsen 2015-3-21 8589 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
  UCD161173  Crassula tillaea Jean Shepard 2010-3-24 833 Yolo City of Davis. Myrtle Pl. Comment
  RSA273433  Cressa truxillensis D. E. Anderson 1977-5-15 15699 Yolo North of Yolo Bypass ca. 20 miles north of Sacramento along Interstate 5. Comment
  UCD120211  Cressa truxillensis Ellen Dean 2012-4-19 7325 Yolo Along C.R. 103 near Conaway Ranch, east side of road. About 1 mile south of C.R. 25. Remnant alkali plain vegetation in weedy roadside. 10 Comment
  UCD125734  Cressa truxillensis Beecher Crampton 1956-7-13 3704 Yolo Yolo Bypass. Comment
  UCD126222  Cressa truxillensis P. B. Kennedy 1916-7-23 s.n. Yolo Holland Land Company, Clasksburg-Sacramento River. Comment
  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
  CDA28860  Croton setiger M. K. Beyers 2009-7-18 178 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
  UCD35452  Croton setiger Beecher Crampton 1956-9-28 3875 Yolo 4 miles west of Winters, Vaca Mtns., Putah Creek Canyon. Comment
  UCD41043  Croton setiger Carol W. Witham 2003-8-8 974 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD142089  Croton setiger H. R. Drever 1945-8-11 s.n. Yolo University of California campus, Davis. Comment
  UCD142137  Croton setiger Fleur Ng'weno 1989-5-7 DQ 41 Yolo D-Q University County Road 31, 9 mi. west of Davis city center. 29 Comment
  UCD142151  Croton setiger W. T. Pope 1916-10-5 s.n. Yolo University Farm. 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
  CAS-BOT-BC190139  Crypsis schoenoides Thomas H. Kearney 1950-9-3 s.n. Yolo Floodbed of Putah Creek at Winters. Comment
  SEINET212947 Image available Crypsis schoenoides T. Lowrey 1973-8-15 12 Yolo 1.25 mi north of Rumsey Bridge on bank of Cache Creek Comment
  UCD19294  Crypsis schoenoides Jim Sherar 1991-9-1 s.n. Yolo Yolo Causeway. Comment
  UCD36097  Crypsis schoenoides Beecher Crampton 1952-10-24 868 Yolo Yolo County, I.5 miles north of city of Davis, along Southern Pacific Railroad property. Comment
  UCD36106  Crypsis schoenoides Beecher Crampton 1952-10-28 892 Yolo Yolo County, 5 miles west of city of Winters, on Monticello Road, along Putah Creek. Comment
  UCD37720  Crypsis schoenoides Beecher Crampton 1961-8-1 5965 Yolo Davis. Southern Pacific Railroad. Comment
  UCD41059  Crypsis schoenoides Carol W. Witham 2003-8-8 990 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD59924  Crypsis schoenoides R. Tofsrud 1948-8-1 s. n. Yolo Between Davis and Woodland. Comment
  UCD81885  Crypsis schoenoides Ellen Dean; Chiao-Yi Cheng, Jennifer Billick 2009-6-17 5770 Yolo Woodland Regional Park. City of Woodland property located on the E side of County Road 102, just S of County Road 25. 9 Comment
  UCD59366  Crypsis vaginiflora Ellen Dean; Kate Mawdsley 2007-6-8 3842 Yolo Tuleyome Ireland Ranch, Inner Coast Ranges, northwest of the city of Winters, between Salt Creek and Enos Creek, just N of Wild Cow Mtn. Western part of ranch near stock pond. 627 Comment
  CHSC79260  Cryptantha flaccida Beecher Crampton 1955-4-18 2502 Yolo 2 miles west of Winters. Comment
  JEPS67593  Cryptantha flaccida W. L. Jepson 1920-5-23 8957 Yolo near Hershey (Buckeye Creek bed, w Yolo County); Buckeye Creek Comment
  RSA733634  Cryptantha flaccida Keith E. Hoffmaster 1946-3-29 76 Yolo Putah Canyon, near Napa County line. 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
  UC596356  Cryptantha microstachys R. F. Hoover 1938-4-23 3190 Yolo grade on Rumsey, Arbuckle road Rumsey Comment
  SEINET10848437  Cucumis melo Stephanie Frischie 2000-10-14 Frischie 137 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET11740549  Cupressus guadalupensis D. Hildreth, Milam, K. 1966-1-19 s.n. Yolo U.C. Davis Arboretum, Davis Comment
  UCD112249  Cupressus macnabiana Christopher Mallek 2008-5-13 s.n. Yolo Cedar Basin (incl. Smith Flat). 597 Comment
  UCD160556  Cupressus macnabiana G. Ledyard Stebbins 1954-2-1 s.n. Yolo Cedar Basin. No county given in original location information. This could be a Cedar Basin in a different county. Comment
  UCD33827  Cuscuta brachycalyx Beecher Crampton 1973-7-9 8974 Yolo 3 miles S.E. of Woodland (in direct line), county roads 25 X 103. Comment
  UCD34250  Cuscuta brachycalyx Beecher Crampton 1978-6-26 9607 Yolo 4 miles S.E. of Woodland, T9N R2E sect. 11 N.E. 1/4. Comment
  UCR224670  Cuscuta brachycalyx Jean V. Shepard 2010-8-15 845 Yolo Yolo County Grasslands Park, east of Davis, from intersection of I-80 and Mace Blvd., 3.5 miles south on Mace Blvd. (Co. Rd. 104), thence east along unpaved entrance road to Sacramento Valley Soaring Society field, to the north 12 Comment
  CDA39942  Cuscuta campestris T. C. Fuller 1960-11-7 5307 Yolo In Yolo Bypass, Along River Road, east of Woodland. 0 Comment
  UCD126270  Cuscuta campestris T. C. Fuller 1960-11-7 5307 Yolo in Yolo Bypass, along River Road, East of Woodland. 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
  UCD54468  Cuscuta campestris Keith Glenn 1973-8-2 s.n. Yolo South side of Interstae Hwy 80 on west side of Yolo County Bypass. Comment
  UCD67396  Cuscuta campestris Julia Curlette 1992-5-5 5 Yolo Yolo county : Pedric Rd. Along roadside. Comment
  SBBG35421  Cuscuta indecora M. L. Long 1969-8-7 Yolo 1 mi N of Zamora Comment
  UCD126323  Cuscuta indecora var. indecora Collector Unknown 1950-8-1 s.n. Yolo Solano Tract, U.C. Campus, Davis. Comment
  CDA1351  Cuscuta japonica Bill Lyon 2006-11-28 PDR# 1441246 Yolo West Sacramento; 1912 Proctor Ave. Comment
  CDA33343  Cuscuta japonica Ramona Robison 2010-11-1 PDR# 1470296 Yolo Clarksburg; North River Road, north of Babel Slough Road. 0 Comment
  CDA33840  Cuscuta japonica R. Breckenridge & K. Filippini 2010-10-4 PDR# 1313511 Yolo West Sacramento; South River Road & Babel Slough Rd. 0 Comment
  UCR243151  Cuscuta pentagona R. Keith Glenn 1973-10-9 s.n. Yolo C. 2 miles south of Interstate Hwy 80 on east edge of Yolo Bypass 4 Comment
  UCR119107  Cuscuta salina Beecher Crampton 1961-7-25 5942 Yolo Sacramento Valley, 1 mile southwest of Saxon Station. 15 Comment
  UCD37711  Cuscuta salina Beecher Crampton 1961-7-25 5942 Yolo 1 mile southwest of Saxon Station. Comment
  UCD60011  Cynodon barberi A. A. Beetle 1942-10-1 1895 Yolo Near Davis. Comment
  JEPS84688  Cynodon dactylon John W. Willoughby 1977-4-27 2325 Yolo foothills n of State Highway 128, 1.3 mi e junction with Pleasants Valley Road (County Road 86); Vaca Mountains 48 Comment
  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
  UCD60030  Cynodon dactylon E. G. Cakin 1947-5-8 s.n. Yolo Davis. UC Davis, University Farm. Clear Lake ditch. Comment
  UCR151574  Cynodon dactylon Beecher Crampton 1962-1-10 6086 Yolo Sacramento Valley, city of Davis 16 Comment
  SEINET10515380  Cynodon dactylon Alan A. Beetle 1945-8-20 Beetle 4022 Yolo On Univ. of Calif. farm, with Ustilago cynondontis. Comment
  SEINET219759 Image available Cynodon dactylon var. dactylon S. Pearman 1964-5-24 32 Yolo Davis Ca. 14 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
  CAS-BOT-BC114748  Cyperus alternifolius Clarence Roy Quick 1972-8-3 72 -33 Yolo Merritt Island, about 20 mi SSW of Sacramento, just W of the Sacramento River. Comment
  UCD141028  Cyperus difformis Collector Unknown 1950-1 s.n. Yolo exact location unknown. Comment
  RSA92357  Cyperus difformis Beecher Crampton 1953-9-15 1698 Yolo Cache Creek, Capay 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
  UCD41079  Cyperus eragrostis Carol W. Witham 2003-8-8 1010 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCR36570  Cyperus eragrostis A. C. Sanders 1984-6-18 5064 Yolo Sacramento Valley, Sacramento Bypass near Bryte, just NW of Sacramento, bed of the bypass 1 mi west of the Sacramento River 5 Comment
  UCD38928  Cyperus erythrorhizos Beecher Crampton 1961-10-25 6053 Yolo 2 miles west of Bryte, County Road 127, confluence of the Sacramento and Yolo Bypass. Comment
  UCD38266  Cyperus esculentus Beecher Crampton 1953-10-21 1724 Yolo Davis. Comment
  UC1563868  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
  RSA92355  Cyperus odoratus Beecher Crampton 1954-9-28 2280 Yolo Rice levee, 5 miles east of Davis Comment
  CDA15358  Cyperus rotundus G. F. Hrusa 1996-10-2 13581 Yolo Central Valley; Corner of North & Walnut in City of Woodland. Comment
  CAS-BOT-BC114001  Cyperus rotundus June McCaskill 1955-3-14 380 Yolo In gallon can in Agronomy Greenhouse. University of California, Davis. Comment
  CDA2600  Cyperus rotundus MacBride 1939-11-24 Yolo School, Clarksburg. 0 Comment
  SEINET893037  Cytisus canariensis June McCaskill 1954-1 301 Yolo West side of Construction and Repair Building, University of California, Davis. Comment
  POM181676  Damasonium californicum L. F. Robbins 1927-5-17 s.n. Yolo Near the Causeway. Comment
  UCD20586  Datisca glomerata E. Dean; with M. Bibbo 2002-7-5 1129 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 1.8 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 457 Comment
  UCR196223  Datisca glomerata Ellen Dean, Mark Bibbo 2002-7-5 1129 Yolo East of McLaughlin UC Reserve and Davis reservoir. West of Cach Creek drainage, along Rayhouse Road 1.8 road mi east of junction with road to Soda Springs and gate into McLughlin reserve 457 Comment
  UCD126514  Datura ferox Beecher Crampton 1953-10-15 1693 Yolo 2 miles west of Madison. 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
  CAS-BOT-BC474702  Datura wrightii Jean Shepard 2000-8-28 338 Yolo City of Davis. South of Fifth St., off Del Rio Pl. 10 Comment
  UC1088740  Datura wrightii R. Snow 1957-10-2 322 -1 Yolo s Davis (Putah Creek); Putah Creek Comment
  UC1088741  Datura wrightii R. Snow 1957-10-2 322 -8 Yolo s Davis (Putah Creek); Putah Creek Comment
  UCD161040  Datura wrightii Jean Shepard 2000-8-28 338 Yolo City of Davis. South of Fifth St., off Del Rio Pl. 10 Comment
  UCD40914  Daucus carota Heidi Haugen 1984-4-15 23 Yolo Corner of Road 28 and Road 104. Yolo County Sanitary Landfill. 15 Comment
  UCD62788  Daucus pusillus Susan Zhang; 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. 103 Comment
  UCD95701  Delphinium decorum Ogden C. Riddle 1942-3-29 21 Yolo Road west of Recreation Beach in Putah Canyon. Comment
  UC1031394  Delphinium hansenii H. Lewis and G. Mehlquist 1941-5-9 Yolo State Hwy 28 3.6 mi w Winters Comment
  UCD95772  Delphinium hansenii H. Lewis; G. Mehlquist 1941-5-9 s.n. Yolo State Highway #28, 3.6 miles W of Winters. Comment
  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
  UC1040692  Delphinium hesperium subsp. pallescens Beecher Crampton 1956-4-16 3248 Yolo 6 mi s of Davis Comment
  UCD62905  Delphinium nudicaule Christa Lindsey; Plant Biology 102 students 2008-5-3 4 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. West side of Bray Creek. 103 Comment
  UCD48151  Delphinium variegatum A. Laffin; S. Holck, A. Randall 2002-4-13 12 Yolo Yolo County, McLaughlin UC Reserve. W side of Davis Creek Reservoir, along road that goes from Soda Spring area to Rayhouse Rd. Ca. 0.5 airline mile due N of Soda Springs and ca. 1.0 airline mile WNW of UC Davis Aquatic Lab facility, south of running stream, 9 yards from the N side of the road. 488 Comment
  CAS-BOT-BC192648  Deschampsia danthonioides Roxana S. Ferris 1926-4-24 6467 Yolo 3 miles south of Dunnigan Comment
  CDA31663  Deschampsia danthonioides P. B. Kennedy 1925-4-26 Yolo Davis 0 Comment
  UCD21248  Deschampsia danthonioides J. Shepard 2000-4-13 132 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. South of entrance road, past parking lots on the south side, ca 50 feet farther south of depressed rectangular area. 12 Comment
  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
  UCD62553  Deschampsia danthonioides Beecher Crampton 1955-4-14 2486 Yolo 2 miles south of Zamora. Comment
  UCD72414  Deschampsia danthonioides Ellen Dean; Kate Mawdsley 2008-4-16 4819 Yolo Woodland Regional Park, SE side of Woodland, just south of the intersection of County Roads 102 and 25, Aeromodelers field, just east of road 102. 0 Comment
  UCD80910  Deschampsia danthonioides Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5314 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
  UCD41168  Dianthus barbatus K. Arhangelsky 2002-5-9 206 Yolo Eastern foothills of inner north coast range, Capay Valley. North of Guinda, Rd 43 off Hwy 16; Fullbelly Farm. Comment
  UC917352  Dichelostemma capitatum R. H. Miller 1949-3-27 5 Yolo Putah Canyon Comment
  UCD20799  Dichelostemma capitatum N. Nicola 2001-3-16 15 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  UCD56708  Dichelostemma capitatum Ellen Dean; M. Bibbo 2007-3-23 3401 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
  UCD21366  Dichelostemma capitatum subsp. capitatum J. Shepard 2001-3-22 403 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 1/2 mile and 130 yards west of fence separating park from Department of Defense land, then six yards north. 12 Comment
  UCD62730  Dichelostemma capitatum subsp. capitatum Alan Yip; Plant Biology 102 students 2008-4-6 6 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. 118 Comment
  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
  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
  UC333351  Dichelostemma volubile unknown 1891-5-28 Yolo Capay Valley Comment
  UCD59318  Dichelostemma volubile Ellen Dean; Kate Mawdsley 2007-5-11 3742 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Central part of ranch near western portion of loop road. 638 Comment
  UCD73253  Dichelostemma volubile Ellen Dean; Susan Xhang, Christa Lindsey, Chris Mosser 2008-4-17 4832 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. 77 Comment
  CAS-BOT-BC208965  Digitaria ischaemum Clarence R. Quick 1968-8-25 68 -23 Yolo Garden, Merritt Island, near junction of county roads #140 &142, 3.5 miles south of Clarksburg Comment
  UCD63934  Digitaria ischaemum Beecher Crampton 1953-8-27 1616 Yolo Davis High School, Davis. Comment
  UCR197987  Digitaria ischaemum Beecher Crampton 1953-8-27 1616 Yolo city of Davis, Davis High School 15 Comment
  SEINET239724 Image available Digitaria natalensis Beecher Crampton 1970-9-18 4156 Yolo UC Davis agronomy experimental area, plant introduction nursery. Comment
  CAS-BOT-BC209025  Digitaria sanguinalis Clarence R. Quick 1968-8-25 68 -09 Yolo Merritt Island near junction of county roaads #140 & 142, 3.5 miles south of Clarksburg Comment
  CHSC79404  Digitaria sanguinalis Beecher Crampton 1955-9-29 3162 Yolo 1.5 miles north of city of Davis, along U. S. Highway 99W. Comment
  SBBG26364  Digitaria sanguinalis B. Crampton 1966-10-11 7812 Yolo University of California Davis campus, agronomy field Comment
  SEINET238877 Image available Digitaria sanguinalis Beecher Crampton 1966-10-11 7812 Yolo UC Davis agronomy field. Comment
  UCD58490  Digitaria sanguinalis J. Shepard 2007-7-6 812 Yolo City of Davis. In greenbelt south of and parallel to Loyola Drive between Tulip Lane and Monarch Lane. Comment
  UCD63967  Digitaria sanguinalis C. B. Heiser Jr. 1946-9-3 Yolo Davis. Comment
  UCD63995  Digitaria sanguinalis Beecher Crampton 1969-7-25 8499 Yolo Davis, Russell Blvd. divider strip. Comment
  UCD64001  Digitaria sanguinalis A. A. Beetle 1942-10-1 1896 Yolo At Davis. Comment
  UCD64004  Digitaria sanguinalis Beecher Crampton 1955-9-29 3162 Yolo U.S. Hwy. 99 W, 1.5 miles north of Davis. Comment
  UCD64155  Digitaria sanguinalis Beecher Crampton 1966-10-11 7812 Yolo Yolo County, UC Davis agronomy field. Comment
  UCR119119  Digitaria sanguinalis Beecher Crampton 1961-9-15 5973 Yolo Sacramento Valley, City of Davis, University of California campus. Comment
  SACT000983  Digitaria sanguinalis 1925-6-29 Yolo No determiner/collecter listed Comment
  CAS-BOT-BC474705  Dipsacus fullonum Jean Shepard 2013-7-6 880 Yolo City of Davis, ENE Wildhorse Golf Course. From intersection of Covell Blvd. and Monarch Ln, about 0.1 mi E and about 0.1 mi N Comment
  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
  CDA31695  Distichlis spicata T. C. Fuller 1958-5-2 3949 Yolo Between freeway and railroad, 1 mile east of Davis. 0 Comment
  SACT000989  Distichlis spicata John Willoughby 1977-4-27 Yolo About 2 miles north-west of the junction of the highway and County Road 86, along drainage ditch on north side of highway. 65.0 Comment
  UCD38784  Distichlis spicata Beecher Crampton 1958-6-20 4940 Yolo 3-4 miles E of Woodland, along State Hwy. 16 and 24. Comment
  UCD41053  Distichlis spicata Carol W. Witham 2003-8-8 984 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  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
  UCD64491  Distichlis spicata var. stricta A. A. Beetle 1946-7-13 4716 Yolo Putah Canyon. Comment
  CDA31429  Dittrichia graveolens Robin Breckenridge, K. Filippini 2009-12-15 PDR# 1313583 Yolo Woodland: Highway 16, near I-5. 0 Comment
  UCR178667  Dittrichia graveolens Arthur M. Shapiro 2003-12-3 s.n. Yolo Sacramento Valley, UC Davis campus, c. 20 m NW of the Recreation Pool Lodge 16 Comment
  UC445044  Dodecatheon clevelandii subsp. patulum Franklin P. Nutting April 1892 Yolo Comment
  SEINET8561757  Dodecatheon hendersonii G. Cook 1959-3-27 4 Yolo 5 miles W of Winters along Hwy 128. 305 Comment
  UC1116676  Downingia insignis Beecher Crampton 1960-5-9 5502 Yolo 1.25 mi sw Saxon Station Comment
  UC765620  Downingia insignis R. F. Hoover 1937-5-19 2299 Yolo near Zamora Comment
  UCD164891  Downingia insignis Henry House 1995-5-3 1995- 4 Yolo About 2 km SES of the intersection of Delhi Road and Levee Road. 2 Comment
  UCD21396  Downingia insignis J. Shepard 2001-5-6 440 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east 0.5 miles along unpaved entrance road. Then, south about 400 yards in the largest vernal pool straddling Department of Defense fence. 12 Comment
  UCD37587  Downingia insignis Beecher Crampton 1955-4-14 2482 Yolo Yolo County, 2 miles south of Zamora, along U.S. Highway 99W. Comment
  UCD37909  Downingia insignis Beecher Crampton 1962-4-28 6348 Yolo Yolo County, 2 miles northeast of city of Davis, near city dump. Comment
  UCD55042  Downingia insignis Everett H. Everson 1951-4-19 38 Yolo 8.2 miles southeast of Davis on county road 34A. 6 Comment
  UCD55046  Downingia insignis H. B. Nidever 1951-4-26 23 A Yolo 2.5 miles east of Davis. Comment
  UCD72406  Downingia insignis Ellen Dean; Kate Mawdsley 2008-4-16 4811 Yolo Woodland Regional Park, SE side of Woodland, just south of the intersection of County Roads 102 and 25, Aeromodelers field, just east of road 102. 0 Comment
  UCD35025  Downingia insignis Beecher Crampton 1998-5-18 10365 Yolo Yolo County, ca. 2.5 miles north of Davis along county road 29 just west of its jct. with county road 101A, T9N R2E sect 28. Comment
  UCD37388  Downingia insignis Beecher Crampton 1960-5-9 5504 Yolo Yolo County, 0.75 miles southwest of Saxon Station, along County Road 38. Comment
  UCD41306  Downingia ornatissima Ellen Dean; Jean Shepard 2003-5-18 1809 Yolo Russell Ranch Property belonging to UC Davis, west of Davis, south of Russell Blvd. Parcels west and east of road 95A, south of Putah Creek and Stevens Bridge. 15 Comment
  UCD55113  Downingia ornatissima T. Tomich 1949-5-20 51 Yolo Two miles west of Davis. 18 Comment
  UCD34231  Downingia ornatissima var. eximia Beecher Crampton 1978-5-8 9585 Yolo Yolo County, 1 mile south of Saxon Station, T7N R3E sect. 17 N.W. quarter. Comment
  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
  UC1116669  Downingia pulchella Beecher Crampton 1960-4-25 5484 Yolo 0.5 mi w Madison (along old railroad) Comment
  UCD37381  Downingia pulchella Beecher Crampton 1960-4-25 5484 Yolo 0.5 miles W of Madison. Comment
  UCD72574  Draba verna Rick Karban 2006-5-24 s. n. Yolo UC Davis campus, volunteer in lath house. Comment
  UCD20591  Drymocallis glandulosa E. Dean; with M. Bibbo 2002-7-5 1134 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 1.8 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 457 Comment
  CDA13501  Echinochloa colona G. F. Hrusa 1997-8-28 14090 Yolo Central Valley; Colony in strip between parking lot of old school at NE corner of Walnut and North in Woodland, CA. Site dry. Annual. Comment
  HSC87775  Echinochloa colona June McCaskill, Margene Griggs, W. A. Harvey 1968-8-1 737 Yolo 1/2 mile east of University of California, Davis. Comment
  SBBG21238  Echinochloa colona B. Crampton 1961-7-21 Yolo 2.5 mi W of Davis Comment
  UCD32995  Echinochloa colona Beecher Crampton 1965-10-5 7535 Yolo Yolo County, UC Davis agronomy field house area. Comment
  UCD37751  Echinochloa colona Beecher Crampton 1961-10-10 6027 Yolo Yolo County, 5 miles west of city of Davis, at junction of Road 32 (Russell Boulevard) and Road 95A. Comment
  UCD60775  Echinochloa colona Beecher Crampton 1954-7-28 2226 Yolo 1 mile north of Davis. Comment
  SBBG115365  Echinochloa crus-galli B. Crampton 1965-7-7 7440 Yolo ca. 8.2 mi W of Winters on Hwy 128, Putah Crk Cyn Comment
  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
  SEINET241776 Image available Echinochloa crus-galli Beecher Crampton 1965-8-18 7482 c Yolo 3 miles NW of Davis on County rd. 99 between roads 30 and 31. Comment
  SEINET245842 Image available Echinochloa crus-galli Beccher Crampton 1965-8-18 7489 Yolo road 99e. Comment
  UCD32921  Echinochloa crus-galli Beecher Crampton 1965-7-7 7440 Yolo Yolo County, 8.2 miles west of Winters on Hwy. 128, Putah Creek Canyon. Comment
  UCD32950  Echinochloa crus-galli Beecher Crampton 1965-7-27 7471 Yolo Yolo County, 3 miles east of Woodland. Comment
  UCD32963  Echinochloa crus-galli Beecher Crampton 1965-8-18 7484 Yolo 3 miles W of Knight's Landing. Comment
  UCD32967  Echinochloa crus-galli Beecher Crampton 1965-8-18 7483 Yolo Yolo County, 1 mile N.E. of Yolo County road 16A. Comment
  UCD60824  Echinochloa crus-galli Beecher Crampton 1957-9-24 4634 Yolo Along Co. Rd.. 99, 3 miles north of Davis. Comment
  UCD60828  Echinochloa crus-galli Beecher Crampton 1961-7-21 5941 Yolo 5.5 miles west of Davis along Russell Blvd. Comment
  UCD60838  Echinochloa crus-galli Beecher Crampton 1957-9-16 4612 Yolo County Road 27, 8 miles northwest Davis. Comment
  UCD60840  Echinochloa crus-galli Beecher Crampton 1964-10-14 7219 Yolo UC - Davis, Agronomy Experimental area. Comment
  UCD60927  Echinochloa crus-galli W. W. Mackie 1919-10-1 Yolo Yolo Co. Comment
  SEINET3928683  Echinochloa crus-galli Beecher Crampton 1965-7-7 7434 Yolo 2.5 miles W.N.W of Davis, jct. of county roads 98 and 31.; 0 Comment
  SEINET8465057 Image available Echinochloa crus-galli Beecher Crampton 1965-8-18 7484 Yolo 3 miles west of Knights Landing. Comment
  UCD38762  Echinochloa crus-galli var. mitis Beecher Crampton 1957-11-5 4644 Yolo East of West Davis Elementary School, Davis. Comment
  SEINET11266285  Echinochloa esculenta Chuck Buckingham 1948-7-24 s.n. Yolo Rice field east of the intersection of County Road 35 and 106A.; 0 6 Comment
  CAS-BOT-BC197271  Echinochloa muricata var. microstachya Roxana Stinchfield 1916-6-25 324 Yolo Near mouth of Buckeye Creek Comment
  HSC9657  Echinochloa muricata var. microstachya J. V. Lenz 1947-5-14 Yolo Putah Canyon Comment
  POM198507  Echinochloa muricata var. microstachya Roxana Stinchfield 1916-6-25 324 Yolo In tule near Buckeye Creek Comment
  UCD81561  Echinodorus cordifolius W. D. Norton 1928-9-1 1431 Yolo Woodland. Comment
  HSC89863  Eclipta prostrata Barbara Ertter 1988-10-21 7985 Yolo Cache Creek at Rd. 89 crossing just W of I-505, E of gravel pits 1.5 mi. N of Madison, ca 10 air mi. W of Woodland. 37 Comment
  UC1562857  Eclipta prostrata Barbara Ertter 1988-10-21 7985 Yolo creek at Rd 89 crossing just w I-505 (e of gravel pits 1.5 mi n of Madison, ca 10 air mi w of Woodland); Sacramento Valley, Cache Creek 36 Comment
  UCD131243  Eclipta prostrata K. Esau; K. Hartmann 1941-8-19 s.n. Yolo Knights Landing, U.S. #45. Comment
  UCD131242  Eclipta prostrata Barbara Ertter 1988-10-21 7985 Yolo Cache Creek at Rd 89 crossing just W of I-505, E of gravel pits 1.5 mi N of Madison, ca 10 airmiles W of Woodland, Sacramento Valley. 36 Comment
  UCD81564  Eclipta prostrata W. D. Norton 1928-9-1 1432 Yolo Woodland. Comment
  UCSB61618  Eclipta prostrata Ertter, Barbara 1988-10-21 Yolo Cache Creek at Rd. 89 crossing just W of I-505, E of gravel pits 1.5 mi. N of Madison, ca. 10 airmiles W of Woodland, Sacramento Valley; T10N R1W, ca. 120' Comment
  UCD61188  Ehrharta calycina George Mason 1959-3-11 Yolo Along drive at Sewage Treatment Plant, University of California campus, Davis. Comment
  UCD61204  Ehrharta erecta Bob Laben 2002-1-24 s.n. Yolo Davis. From Bob Laben's garden, 502 Oak Ave. Comment
  UCD84364  Eleocharis acicularis var. acicularis Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCD49593  Eleocharis engelmannii W. D. Norton 1927-8-1 765 Yolo Yolo County. Comment
  UCD141690  Eleocharis macrostachya Ellen Dean; M. Taylor 2013-6-20 7802 Yolo North side of Putah Creek east of City of Winters. South of Russell Blvd. on east side HWY 505. Yolo County Housing Authority area. Plot YHA 1E of Putah Creek vegetation survey. 6 Comment
  UCD49818  Eleocharis macrostachya Collector unknown Date Unknown s.n. Yolo Yolo County, California. Comment
  SBBG26341  Eleusine indica B. Crampton 1964-7-29 7135 Yolo University of California Davis campus Comment
  UCD61264  Eleusine indica Beecher Crampton 1971-9-7 8757 Yolo University of California Davis Campus. Comment
  UCD61272  Eleusine indica Beecher Crampton 1957-8-19 Yolo Davis. Agronomy Division Grass Garden. Comment
  UCD61235  Eleusine tristachya Jim Sherar 1991-6-1 026 Yolo On the UC Davis Campus, adjacent to the horse pastures along Garrod Drive. Comment
  UCD164528  Elymus glaucus Craig D. Thomsen 2006-6-13 2659 Yolo Camp Haswell County Park, flat above turnout along Hwy 16. 137 Comment
  UCD37934  Elymus repens Beecher Crampton 1962-5-4 6401 Yolo Yolo County, city of Davis, Southern Pacific Railroad station. Comment
  UCD62559  Elymus repens Beecher Crampton 1955-6-6 2818 Yolo Davis. 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
  UCR141628  Elymus repens Beecher Crampton 1962-5-4 6401 Yolo Sacramento Valley, city of Davis, Southern Pacific Railroad station 16 Comment
  UCD38882  Elymus trachycaulus var. majus Beecher Crampton 1959-6-10 5349 Yolo North of Davis. Junction of Anderson Road and County Road 31. Comment
  SACT001157  Elymus triticoides 1925-6-15 Yolo no determiner/collector listed. Comment
  UC1153917  Elytrigia intermedia subsp. intermedia Beecher Crampton 1957-7-10 Yolo Agronomy Experimental Areas Davis Campus Comment
  SBBG115723  Elytrigia repens B. Crampton 1962-5-4 6401 Yolo city of Davis, Southern Pacific Railroad Stn Comment
  UCD105365  Epilobium brachycarpum G. K. Helmkamp; E. A. Helmkamp 2007-9-17 12970 Yolo Sacramento Valley: along CA-16 at Madison, at junction with County Road-89, about 9 miles west of Brower's Corner in Woodland. 43 Comment
  UCD41055  Epilobium campestre Carol W. Witham 2003-8-8 986 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD84312  Epilobium campestre Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCD84352  Epilobium campestre Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  CHSC79327  Epilobium canum Beecher Crampton 1975-6-11 9211 Yolo Junction of county roads 38 and 106 off the S.W. corner. Comment
  CHSC79326  Epilobium canum subsp. canum Beecher Crampton 1975-11-18 9338 Yolo Ca. 6 miles west of Winters along Hwy. 128. Comment
  UC1043523  Epilobium canum subsp. canum P. C. Everett and E. K. Balls 1954-10-19 20367 Yolo 5.8 mi nw Rumsey (on Hwy 16 to Madison); Cache Creek 152 Comment
  SBBG5123  Epilobium canum subsp. latifolium J. M. Tucker 1941-9-20 389 Yolo above Putah Crk, E side of Vaca Range 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
  UCD34064  Epilobium canum subsp. latifolium Beecher Crampton 1975-11-18 9338 Yolo Vaca Mountains. Putah Creek Canyon entrance, ca. 6 miles west of Winters along Hwy. 128. Comment
  UCD146825  Epilobium cleistogamum Carol W. Witham 2003-4-11 939 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD73140  Epilobium cleistogamum Ayzik Solomeshch 2003-5-30 s. n. Yolo Department of Fish and Game Glide Tule Ranch, about 8 mi. southeast of Davis. 6 Comment
  RSA41104A  Epilobium minutum Robert F. Hoover 1938-4-23 3203 Yolo Grade on Rumsey - Arbuckle Road. Comment
  RSA0037239  Equisetum Keith E. Hoffmaster 1939-4-26 s.n. Yolo Putah can. Comment
  SEINET11614512  Equisetum hyemale subsp. affine Unknown 1997-4-25 5 Yolo 200 m downstream from Monticello Dam along W bank of Putah Creek 150 Comment
  UCD150635  Equisetum hyemale subsp. affine Sandy Pereira 1980-5-24 s.n. Yolo Six miles N of Winters, Putah Creek Fishing [illegible] #5. 121 Comment
  UCD20609  Equisetum laevigatum E. Dean; with M. Bibbo 2002-7-5 1156 Yolo McLaughlin UC Reserve. Along road leading from Davis Creek Reservoir to Clover Valley, N of valley, where stream crosses road (southernmost of two stream crossings). Adjacent to the culvert. 441 Comment
  RSA670128  Eragrostis June McCaskill 1976-9-9 s.n. Yolo City of Davis, Front yard of 731 A St. Comment
  UCD65699  Eragrostis June McCaskill 1976-9-9 s. n. Yolo city of Davis, front yard of 731 A Street. Comment
  SEINET9352879  Eragrostis Unknown 1976-9-9 Yolo Davis Comment
  UCD33146  Eragrostis cilianensis Beecher Crampton 1966-10-11 7811 Yolo Yolo County, UC Davis agronomy field. Comment
  UCR106834  Eragrostis cilianensis Michael W. Hair 1990-8-12 s.n. Yolo Davis, University of California, experimental plot A-12, west of State Hwy 113 Comment
  UCR118792  Eragrostis cilianensis Beecher Crampton 1961-8-29 5972 Yolo Sacramento Valley, 1.5 miles south of Woodland, along County Road 99 15 Comment
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Jul 3 2008
  UCR119091  Eragrostis cilianensis Beecher Crampton 1966-10-11 7811 Yolo Sacramento Valley, UC Davis agronomy field. 15 Comment
  CAS-BOT-BC213549  Eragrostis curvula Beecher Crampton 1962-8-27 6641 Yolo 4 mi. S of Woodland Jct. county Roads 98 and 25A Comment
  CAS-BOT-BC213551  Eragrostis curvula John Thomas Howell; Gordon H. True 1967-6-11 42553 Yolo Roadside NW of Woodland Comment
  SBBG32316  Eragrostis curvula L. S. Rose 1967-6-11 67101 Yolo 2 mi NW of Woodland Rd 6 Comment
  SEINET208620 Image available Eragrostis curvula L. S. Rose 1967-6-11 67101 Yolo 2 mi nw of Woodland 6 Comment
  UCD34832  Eragrostis curvula Beecher Crampton 1963-6-11 6852 Yolo Yolo County, 1 mile south of Dunnigan along Hwy. 99W. Comment
  UCD63085  Eragrostis curvula Beecher Crampton 1963-6-11 6852 Yolo Yolo County, 1 mile south of Dunnigan along Hwy. 99W. Comment
  UCD63090  Eragrostis curvula Beecher Crampton 1969-10-30 8528 Yolo 4 miles west of Davis. County Road 97 near its junction with County Rd. 31. Comment
  SEINET10552662  Eragrostis curvula Lewis S. Rose 1967-6-11 Rose 67101 Yolo 2 mi NW of Woodland. Roadside ditch. 6 Comment
  UCD36495  Eragrostis hypnoides Beecher Crampton 1953-10-15 1697 Yolo Yolo County, Capay, along Cache Creek. Comment
  UCD63366  Eragrostis hypnoides Beecher Crampton 1953-10-15 1697 Yolo Yolo County, Capay, along Cache Creek. Comment
  SEINET10850090  Eragrostis hypnoides Crampton 1953-10-15 CRAMPTON 1697 Yolo Capay, along Cache Creek, Growing gravelly, sany creek bed. Comment
  UCD36497  Eragrostis mexicana subsp. virescens Beecher Crampton 1953-10-16 1702 Yolo Yolo County, 4 miles east of city of Davis, along U.S. Highway 40. Comment
  UCD63812  Eragrostis mexicana subsp. virescens Beecher Crampton 1953-10-15 1690 Yolo Yolo County, city of Davis, University of California campus, greenhouse flats. Comment
  UCD64025  Eragrostis mexicana subsp. virescens A. A. Beetle 1942-10-1 1897 Yolo Davis. Comment
  UCD33417  Eragrostis minor Beecher Crampton 1967-10-16 8217 Yolo Yolo County, UC Davis agronomy field weed. Comment
  UCD63436  Eragrostis minor A. A. Beetle 1942-10-1 1894 Yolo near Davis. 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
  UCD64542  Eragrostis pectinacea Collector Unknown 1942-9-1 Yolo Davis. 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
  SEINET8465061 Image available Eragrostis pilosa Beecher Crampton 1953-10-16 1701 Yolo Sacramento Valley; 4 mi east of city of Davis, along US Hwy 40 Comment
  SEINET242439 Image available Eragrostis poaeoides Beecher Crampton 1954-9-10 s.n. Yolo UC Davis campus, Agronomy experimental area, plant introduction nursery. Comment
  UC1153798  Eragrostis trichodes Beecher Crampton 1957-8-19 Yolo Agronomy Experimental Areas Davis Campus Comment
  SEINET11695839  Eremopyrum orientale Unknown 1965-4-30 T.O. 3259 Yolo UC Davis agronomy experimental area, plant introduction nursery Comment
  UCD150995  Erigeron bonariensis D. S. Park; S. Nicole 2010-5-11 74 Yolo UCD near Scince Lecture Bld. 10 Comment
  UCD151029  Erigeron bonariensis D. S. Park 2010-6-1 110 Yolo UCD Arboretum. Disturbed site/hillside near bridge. 15 Comment
  UCD73717  Erigeron bonariensis Ayzik Solomeshch 2004-5-14 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  UCD159455  Erigeron canadensis D. S. Park 2010-8-5 209 -2 Yolo North Davis. Along W Covell Blvd. Roadside, disturbed. Outskirts of agricultural field. Growing in ditch. 17 Comment
  UCD58075  Erigeron foliosus Ellen Dean; K. Mawdsley 2007-4-6 3614 b 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. Near Loop Road. 459 Comment
  UCD38519  Eriochloa Beecher Crampton 1955-8-22 3136 Yolo Agronomy experimental plots, UC Davis Campus. Comment
  CAS-BOT-BC278501  Eriochloa contracta Beecher Crampton 1955-9-6 3148 Yolo Along County Road 29, about 5 miles northwest of Davis Comment
  CAS-BOT-BC278503  Eriochloa contracta Beecher Crampton 1960-9-21 5780 Yolo UC. Davis Campus Comment
  UCD33557  Eriochloa contracta Beecher Crampton 1969-10-30 8529 Yolo 4 miles west of Davis at jct. of roads 31 and 97. Comment
  UCD34849  Eriochloa contracta Beecher Crampton 1963-9-18 6895 Yolo N.W. Davis, Anderson road. Comment
  UCD65724  Eriochloa contracta Beecher Crampton 1963-9-18 6895 Yolo N.W. Davis, Anderson Road. Comment
  UCD65728  Eriochloa contracta Beecher Crampton 1961-8-8 5966 Yolo Davis. Comment
  UCD33711  Eriodictyon californicum Beecher Crampton 1972-5-3 8804 Yolo Yolo County, ca. 10 miles west of Davis on County road 31 just west of its junction with County road 92E. Comment
  UCR198052  Eriodictyon californicum Lisa Montany 1985-5-4 14 Yolo Old Putah Creek Road, 1/2 mi east of Hwy 505 30 Comment
  CDA40323  Eriodictyon californicum T. C. Fuller 1958-4-23 352 -58 Yolo 1 mile north of Rumsey. 0 Comment
  UCD20906  Eriogonum dasyanthemum N. Nicola 2001-10-14 134 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  CAS-BOT-BC250379  Eriogonum gracile A. J. Bassinger 1920-10-29 s.n. Yolo Upper Capay Valley along Arbuckle Road Comment
  UC1504697  Eriogonum wrightii Tim Lowrey 1972-7-30 Yolo bank on edge of Cache Creek 1 mi n Rumsey Bridge; Cache Creek Comment
  CAS-BOT-BC268487  Eriogonum wrightii var. wrightii Tim Lowrey 1972-7-30 s.n. Yolo On edge of Cache Creek, 1 mile north of Rumsey Bridge Comment
  JEPS34591  Eriophyllum lanatum var. achilleoides E. V. Ferguson 1920-5-15 339 Yolo Putah Creek Putah Creek (w Yolo Co.) Comment
  UCD160176  Eriophyllum lanatum var. achilleoides Leonardo Tuchman 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. 131 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
  CDA30842  Erodium botrys M. Beyers 2010-5-12 447 Yolo In the vicinity of Esparto, along the east side of County Road 87, where it bridges Cache Creek on its north. 55 Comment
  SEINET8526772  Erodium botrys G. Cook 1959-3-27 10 Yolo Collected 2 miles east of Davis, found along highway 99 W 15 Comment
  UCD103025  Erodium botrys B. Crampton 1953-4-27 1136 Yolo Along railroad, 1 mile north of Winters. Comment
  UCD103028  Erodium botrys Beecher Crampton 1959-4-7 5156 Yolo Davis, along railroad. Comment
  UCD103119  Erodium brachycarpum B. Crampton 1953-4-27 1137 Yolo Along railroad, 1 mile north of Winters. Comment
  CDA4399  Erodium cicutarium D. G. Kelch 2007-5-18 7 .321 Yolo Yolo Causeway, 0.4 mi E of Levee Rd. / RR crossing. Comment
  UCD103143  Erodium cicutarium Collector unknown 1925-6-3 1687 Yolo Causeway. Comment
  UCD19450  Erodium cicutarium J. Shepard 2000-2-19 42 Yolo Grasslands Regional Park. East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east 1/4 mi. along unpaved entrance road; growing on north side of road. 12 Comment
  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
  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
  RSA0045322  Erodium moschatum Lois Weston 1942-4-7 1122 Yolo Univ. campus, Davis. Comment
  CDA9627  Eryngium aristulatum D. G. Kelch 2007-5-18 7 .32 Yolo Yolo Causeway, 0.4 mi E of Levee Rd. / RR crossing. Comment
  UCD73128  Eryngium aristulatum Ayzik Solomeshch 2003-5-30 s. n. Yolo Department of Fish and Game Glide Tule Ranch, about 8 mi. southeast of Davis. 6 Comment
  UCD81843  Eryngium aristulatum Ellen Dean; M. Showers, G. Harrington 2009-6-3 5761 Yolo Woodland Regional Park. City of Woodland property on the E side of County Road 102, just S of County Road 25. Mavis Henson Field near County Road 102, leased by Yolo Fliers. 9 Comment
  UCD82169  Eryngium aristulatum J. Shepard 2001-3-16 391 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road nearly to DOD fence, thence south about .1 mi. 12 Comment
  UCR198242  Eryngium aristulatum Dean Kelch 2007-5-18 07 .320 Yolo Yolo Causeway, 0.4 mi east of Levee Road/RR Crossing 4 Comment
  UCD80861  Eryngium jepsonii Robert E. Preston 2007-4-20 2434 Yolo 7.6 mi S of Davis, on Tule Ranch. 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
  UCD115018  Erysimum repandum L. G. Goar 1935-4-18 s.n. Yolo University Farm, Davis. Comment
  SEINET8235428  Erythranthe latidens Carl Epling 1951-4-22 37 Yolo beside Road 29, 5 miles west of Highway 99W. 15 Comment
  UCD94050  Eschscholzia caespitosa Shannon M. Still 2006-3-23 56 Yolo California. Yolo County: CA-128 approx. 5 mi W of Winters, CA. 53 Comment
  UCD95301  Eschscholzia californica A. S. Crafts 1926-7-8 430 Yolo Davis, University Farm Campus. Comment
  UCD95346  Eschscholzia californica M. Wiesendanger 1927-4-29 s.n. Yolo Capay. Comment
  UCR235412  Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2012-4-17 18787 Yolo Sacramento Valley, along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland 65 Comment
  CAS-BOT-BC402936  Eschscholzia californica A. A. Heller 1928-5-12 14556 Yolo Along the highway two miles north of Yolo Comment
  CDA24557  Eschscholzia californica R. E. Skaggs 1962-4-17 Yolo On railroad right of way, 1st & G Streets, Davis. 0 Comment
  CDA24559  Eschscholzia californica R. E. Skaggs 1962-4-17 Yolo On railroad right of way, 1st & G Streets, Davis. 0 Comment
  RSA785385  Eschscholzia californica Lois Weston 1942-4-7 1159 Yolo University campus, Davis. Comment
  SEINET5339904  Eschscholzia californica G. Cook 1959-3-28 14 Yolo Collected 4 miles east of Winter. 76 Comment
  UCD15574  Eschscholzia californica Collector Unknown Date Unknown s.n. Yolo Roadside in South Davis. Comment
  UCD95323  Eschscholzia californica June McCaskill; Katherine Onaga 1962-4-12 647 Yolo 0.1 mile east of intersection of L and 2nd streets, Davis. Comment
  UCD95364  Eschscholzia lobbii Beecher Crampton 1978-3-16 9549 Yolo 2 miles west of Winters. Comment
  UCD168435  Eucrypta chrysanthemifolia var. chrysanthemifolia Ellen Dean 2017-3-15 9257 Yolo Audubon Bobcat Ranch, lands north of Hwy 128, just east of Monticello Dam. Bray Canyon and vicinity on the western side of ranch. Ranch burned once each year in 2014, 2015, 2016. 2017 has been a high rainfall year. Lower reaches of Bray Canyon. 62 Comment
  UCD18304  Euonymus japonica Marcel Rejmanek 2001-6-11 s.n. Yolo city of Davis, downtown, 2nd and E Sts. Comment
  UCD142367  Euphorbia crenulata unknown collector Date Unknown 410 Yolo Davis. Comment
  UCD68019  Euphorbia lathyris C. P. Pease 1995-6-6 S.N. Yolo East side of University of California, Davis campus, Experimental College gardens. 16 Comment
  UCD38898  Euphorbia maculata Beecher Crampton 1959-7-6 5415 Yolo Davis. Comment
  CDA18008  Euphorbia oblongata G. F. Hrusa 1999-5-21 15050 A Yolo On SE corner of B St. and 6th St., Davis. 0 Comment
  UCD58083  Euphorbia peplus Ellen Dean; K. Mawdsley 2007-4-6 3621 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. Along Loop Road. 478 Comment
  UCD142471  Euphorbia peplus T. Tomich 1949-5-24 52 Yolo Davis. Comment
  UCD142477  Euphorbia peplus Alice Warrick 1979-5-19 27 Yolo Davis. East side of E St. ca. 100 feet north of 2nd St. 13 Comment
  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
  UCD21036  Euphorbia spathulata Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-4-4 222 Yolo near the city of Davis. Approximately 1.2 miles S of intersection of Road 105 and Road 38. Glide/Tule Ranch site. 2 Comment
  SEINET10739595  Euphorbia spathulata Ethel K. Crum 1938-5-7 Crum 1983 Yolo Cache Creek canyon, Inner North Coast Range, four miles north of Rumsey. 152 Comment
  CAS-BOT-BC310662  Euthamia occidentalis Clarence R. Quick 1971-8-26 71 -60 Yolo Pylman-Quick garden, Merritt Island, near Clarksburg Comment
  UCD37758  Euthamia occidentalis Beecher Crampton 1961-10-25 6040 Yolo 4 miles NW of Bryte, Yolo Bypass, S of Todhunter's Lake. Comment
  UCD41139  Euthamia occidentalis N. Nicola 2002-7-3 241 Yolo Eastern foothills of inner north coast range, Capay Valley. North of Guinda, Rd 43 off Hwy 16; Fullbelly Farm. Comment
  UCR118986  Festuca microstachys Beecher Crampton 1954-4-15 1775 Yolo Sacramento Valley, 2 miles west of city of Winters. 46 Comment
  UCR235413  Festuca myuros var. hirsuta George K. Helmkamp, E. A. Helmkamp 2012-4-17 18788 Yolo Sacramento Valley, along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland 65 Comment
  UCD147295  Festuca perennis Carol W. Witham 2003-4-11 945 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD41015  Festuca perennis Carol W. Witham 2003-4-11 945 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD66386  Festuca rubra D. C. Sumner 1956-5-25 Yolo Agronomy Division Grass Garden, Davis. Comment
  HSC100290  Ficus carica J. P. Smith 2011-4-27 13138 Yolo In Esparto at junction of Hwy. 16 and County Rd. 21A 61 Comment
  UCD161192  Ficus carica Jean Shepard 2013-6-14 874 Yolo City of Davis. Myrtle Pl. Comment
  UCD81008  Ficus carica Jose-Luis Rayas; with PLB 102 students 2009-4-26 1 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Mouth of Bray Canyon. In creekbed. 71 Comment
  CDA40917  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 2 of 2 0 Comment
  UCD41116  Frangula californica K. Arhangelsky 2002-5-9 212 Yolo Eastern foothills of inner north coast range, Capay Valley. North of Guinda, Rd 43 off Hwy 16; Fullbelly Farm. Comment
  UCD120210  Frankenia salina Ellen Dean 2012-4-19 7324 Yolo Along C.R. 103 near Conaway Ranch, east side of road. About 1 mile south of C.R. 25. Remnant alkali plain vegetation in weedy roadside. 10 Comment
  UCD33823  Frankenia salina Beecher Crampton 1973-6-22 8962 Yolo Yolo County, 3 miles S.E. of Woodland (in direct line), county roads 25 and 103. Comment
  UCD72418  Frankenia salina Ellen Dean; Kate Mawdsley 2008-4-16 4823 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. Comment
  UCD69744  Fraxinus dipetala Glenn Luft 1989-4-8 15 Yolo Outside of Winters. 134 Comment
  JEPS84722  Fraxinus latifolia John W. Willoughby 1976-7-29 1806 Yolo about 1.2 mi nw State Highway 128 jct w/County Road 86 (Pleasants Valley Rd) (along State Highway 128, at fishing access to Putah Creek); Vaca Mountains, Putah Creek 60 Comment
  UCD164523  Fraxinus latifolia Craig D. Thomsen 2009-5-15 2914 Yolo Camp Haswell County Park, along secondary drainage south of parking lot. 129 Comment
  SEINET6947381  Fremontodendron californicum J. B. Taft 1988-8-18 535 Yolo University of California, Davis campus. Comment
  RSA208863  Fritillaria agrestis Carl B. Wolf 1937-3-28 8324 Yolo 1.5 mile N of Dunnigan. 30 Comment
  CDA39332  Fritillaria pluriflora Mr. Clement 1930-2-25 s.n. Yolo Capay Valley. 0 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
  UCR119090  Galium aparine Beecher Crampton 1962-4-2 6106 Yolo Sacramento Valley, 2 miles west of Winters, county road 89 59 Comment
  SEINET5739094 Image available Galium aparine James K. McGrath 1963-1 26 Yolo Growing in shaded ravines of steep hillsides; southern exposure; State Hwy 128 below Recreation Beach.; Recreation Beach 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
  UC917335  Galium bolanderi J. D. Skoss 1948-6-6 31 Yolo 10 mi below Yolo-Napa county line (boggy area alongside road); Putah Canyon Comment
  UCD33513  Galium murale Beecher Crampton 1969-5-2 8401 Yolo Yolo County, Davis, Central Park. Comment
  UCD160163  Galium parisiense Aaron Goodman 2015-4-12 5 a Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, near ranch house headquarters . 99 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
  RSA590137  Galium porrigens var. tenue Michael A. Vincent, Robert Rhode 1996-3-30 7266 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16 , ca. 2 miles S of Colusa Co. Line. Comment
  CDA42210  Galium tricornutum C. H. Justus 1965-3-23 s.n. Yolo County Road 42, Guinda. 0 Comment
  UCD162952  Garrya congdonii Craig Thomsen 2006-6-8 2670 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
  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
  RSA696389  Geranium dissectum Keith E. Hoffmaster 1939-4-26 945 Yolo Putah Canyon. Comment
  UCD41125  Geranium dissectum N. Nicola 2002-4-5 166 Yolo Eastern foothills of inner north coast range, Capay Valley. About 0.4 miles as the crow flies west of Guinda. Comment
  CDA23033  Geranium molle D. G. Kelch 2008-2-29 08 .016-B Yolo Winters. USDA Germplasm Center. Comment
  JEPS91370  Geranium molle Dean W. Taylor 1972-3-28 1385 Yolo near power lines at Monticello Dam, Lake Berryessa 304 Comment
  UCD103407  Geranium molle Beecher Crampton 1954-5-6 1829 Yolo Hwy 128, Putah Canyon, 9 miles west of Winters. Comment
  UCD160550  Gilia clivorum Ellen Dean; Craig Thomsen 2015-3-21 8604 a Yolo Audubon Bobcat Ranch. Western part of ranch, just north of Hwy 128 and N of Putah Creek. Area E of Bray Canyon at base of large escarpment labeled 'spring' on topo maps. Burned in 2014. 234 Comment
  UCD117959  Gilia tricolor R. H. Miller 1949-3-27 7 Yolo North hillside at east entrance to Putah Canyon. Comment
  CDA40021  Gilia tricolor T. C. Fuller 1962-3-27 7891 Yolo Putah Creek Canyon, road to Monticello Dam, 4 miles west of Winters. 0 Comment
  UCD117961  Gilia tricolor Ogden C. Riddle 1942-3-29 32 Yolo Hill across creek north of 'cannon ball,' Putah Creek. 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
  UC106696  Gilia tricolor subsp. tricolor J. W. Blankinship 1893-1 Yolo Woodland Comment
  UCD105753  Gleditsia triacanthos A. Godlewski 1973-8-3 s.n. Yolo S. side Library, University of California, Davis. Department of Environmental Horticulture. 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
  UCD105759  Glycine max B. Crampton 1958-6-23 s.n. Yolo Agronomy Experimental Areas, Davis Campus. Comment
  UCD141677  Glycyrrhiza lepidota Ellen Dean; M. Taylor 2013-6-19 7797 Yolo Along Putah Creek by Los Rios Farms between Mace Blvd. (County Road 104) and the Yolo bypass wildlife area. Los Rios Farms is on the border of DFG lands northeast of the intersection of County Roads 35 and 106. These plants were found in, or near, LRF Plot 3E of the Putah Creek vegetation survey. 6 Comment
  UCD105772  Glycyrrhiza lepidota Beecher Crampton 1975-6-24 9229 Yolo 5.5 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
  UCD59381  Gnaphalium palustre Ellen Dean; Kate Mawdsley 2007-6-8 3856 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
  UCD38839  Gnaphalium palustre Beecher Crampton 1958-6-27 4991 Yolo along county road 99 about three miles northwest of Davis. Comment
  UCD132484  Grindelia camporum Daryl Koutnik; John Sowell 1978-10-27 573 Yolo Putah Creek, east of County Road 106 and west of Yolo Causeway. 6 Comment
  UCD159498  Grindelia camporum D. S. Park 2010-8-25 248 Yolo West Sacramento. Growing along E. Main St. between road and railroad. Disturbed. Weedy habitat. 5 Comment
  UCD73121  Grindelia camporum Ayzik Solomeshch 2003-6-1 s. n. Yolo Department of Fish and Game Glide Tule Ranch, about 8 mi. southeast of Davis. 6 Comment
  CDA32972  Grindelia camporum Dave Minnesang & Phyllis Hiatt 1979-6-7 Yolo South of Davis on Road 106; Glides Tule Ranch. 0 Comment
  UCD132567  Grindelia hirsutula M. Wiesendanger 1927-4-29 629 Yolo Esparto. Comment
  UCD164525  Gutierrezia californica Craig D. Thomsen 2009-5-15 2916 Yolo Camp Haswell County Park, along secondary drainage south of parking lot. 129 Comment
  RSA96670  Gutierrezia californica Percy C. Everett, E. K. Balls 1954-10-19 20366 Yolo Cache Creek, 5.8 miles NW of Rumsey on Highway 16 to Madison 152 Comment
  SBBG115414  Hainardia cylindrica B. Crampton 1953-5-5 1208 Yolo ca. 2.5 mi NE of city of Davis, along Rd 102 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
  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
  CDA6199  Helianthus annuus T. C. Fuller 1965-7-23 13851 Yolo On berm at base of north levee for 0.1 mile in Sacramento Bypass, 0.1 mile west of weir, 1 mile northwest of Bryte. 0 Comment
  UCD132792  Helianthus annuus B. Crampton 1957-10-30 s.n. Yolo Agronomy Experimental Areas, Davis Campus. Comment
  UCD132793  Helianthus annuus Beecher Crampton 1973-10-16 9027 Yolo Winters, 1 mile west of Orchard area. Comment
  UCD37278  Helianthus bolanderi Beecher Crampton 1958-9-29 5119 Yolo 7 miles west of city of Davis, just south of Moon Ranch. Comment
  RSA771185  Heliotropium curassavicum var. oculatum Barbara Ertter 1988-10-21 7982 Yolo Cache Creek at Rd 89 crossing just W of I-505, E of gravel pits 1.5 mi N of Madison, ca 10 airmiles W of Woodland. 37 Comment
  UC1949223  Heliotropium curassavicum var. oculatum Barbara Ertter 1988-10-21 7982 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
  UCD35650  Heliotropium curassavicum var. oculatum Beecher Crampton 1959-6-11 5353 Yolo West Sacramento. Comment
  UCD81552  Heliotropium curassavicum var. oculatum W. W. Robbins; W. D. Norton 1928-8-1 1423 Yolo near Clarksburg. Comment
  UCSB61643  Heliotropium europaeum Ertter, Barbara 1988-10-21 Yolo Cache Creek at Rd. 89 crossing just W of I-505; E of gravel pits 1.5 mi. N of Madison; ca. 10 airmiles W of Woodland; Sacramento Valley; T10N R1W 36 Comment
  CAS-BOT-BC309972  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-10-28 2593 Yolo 1/2 mi. W. of Yolo Causeway, on road from Sacramento to Davis Comment
  CAS-BOT-BC309975  Hemizonia congesta subsp. luzulifolia A. A. Heller 1940-9-16 15837 Yolo Between Zamora and Dunnigan, along U. S. Highway #99W Comment
  UCD21330  Hemizonia congesta subsp. luzulifolia J. Shepard 2000-6-9 302 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road nearly to Air Force facility boundary and thence south in field. 12 Comment
  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
  UCD73732  Hemizonia fitchii Ayzik Solomeshch 2004-5-23 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  UCR36569  Hemizonia pungens A. C. Sanders 1984-6-18 5051 Yolo Sacramento Valley, Sacramento Bypass near Bryte, just NW of Sacramento, bed of the bypass 1 mi west of the Sacramento River 5 Comment
  POM197563  Hemizonia pungens subsp. pungens L. R. Abrams 1928-5-8 12602 Yolo Between Woodland and Davis. Comment
  POM56195  Hemizonia pungens subsp. pungens A. A. Heller, H. E. Brown 1902-4-30 5433 Yolo Near Black's. Comment
  UCD144282  Hesperevax caulescens Carol W. Witham 2003-4-7 886 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD18216  Hesperis matronalis Joe Ditomaso 2001-4-10 s.n. Yolo City of Davis, 8th St. and Eureka. Comment
  UCD112248  Hesperocyparis macnabiana Christopher Mallek 2008-5-13 s.n. Yolo Cedar Basin (incl. Smith Flat). 597 Comment
  UCD20516  Hesperolinon disjunctum E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1088 Yolo McLaughlin UC Reserve. W of Reed mine along Rayhouse Rd. 1.8 road mines W of intersection with Soda Springs Rd. 731 Comment
  UCD113318  Heteromeles arbutifolia G. K. Helmkamp; E. A. Helmkamp 2007-9-17 12974 Yolo West edge of Sacramento Valley: Capay Valley, Brick Chimney Canyon; along County Road-78A, 2.4 miles southwest of its junction with CA-16 and about 3 miles west of Capay. 113 Comment
  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
  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
  RSA0072480  Heteromeles arbutifolia Glenn A. Gorelick 1965-10-3 s.n. Yolo Davis. Comment
  SEINET6710050  Heteromeles arbutifolia var. macrocarpa R. H. Miller NONE 1118 Yolo Campus, University of California, Davis Comment
  UCD115094  Hirschfeldia incana Cay Collette 1975-5-31 18 Yolo Knight's Landing. Rip-rapp, along levee roadside-Sacramento River. 15 Comment
  UCD165456  Hirschfeldia incana Kai Battenberg 2016-8-6 KB 14 -1 Yolo Yolo County; Davis. Off of Research Park Drive. 150m West from Drew Avenue. 15 Comment
  UCD115130  Hirschfeldia incana P. B. Kennedy Date unknown s.n. Yolo Univ. Farm - Davis. Comment
  UCD84983  Holcus lanatus Collector Unknown 1955-2-10 s.n. Yolo Davis. Lawn of T.J. Kelly, 824 Campus Way. Comment
  UCD41047  Holocarpha virgata subsp. virgata Carol W. Witham 2003-8-8 978 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD41019  Hordeum brachyantherum Carol W. Witham 2003-4-11 949 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD85286  Hordeum brachyantherum E. G. Cakin 1947-4-6 s.n. Yolo Roadside, 1/2 mile N of Davis. Comment
  UCR152272  Hordeum brachyantherum Beecher Crampton 1953-4-11 1072 Yolo 6 mi SE of Woodland, near ditch supplying rice field Comment
  CAS-BOT-BC285013  Hordeum depressum Beecher Crampton 1959-4-7 5155 Yolo Southern Pacific R.R. Station, Davis Comment
  CAS-BOT-BC285014  Hordeum depressum Peter H. Raven 1955-4-17 8279 Yolo Davis Comment
  UCD34857  Hordeum depressum Beecher Crampton 1964-4-7 6916 Yolo Davis, Southern Pacific Railroad. Comment
  UCD37536  Hordeum depressum Beecher Crampton 1955-3-21 2332 Yolo 2.5 miles northeast of city of Davis, along Road 102. Comment
  UCD85633  Hordeum depressum R. Tofsrud 1949-4-1 s.n. Yolo Davis Railroad Tower. Comment
  UCD85764  Hordeum jubatum R. Tofsrud 1948-9-1 s.n. Yolo Davis. Railroad Junction. Comment
  CDA2197  Hordeum marinum subsp. gussoneanum T. C. Fuller 1958-5-2 3959 Yolo Niessen property, 2 miles southwest of Esparto. 0 Comment
  UCD147292  Hordeum marinum subsp. gussoneanum Carol W. Witham 2003-4-7 904 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD147293  Hordeum marinum subsp. gussoneanum Carol W. Witham 2003-4-7 904 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD34860  Hordeum marinum subsp. gussoneanum Beecher Crampton 1964-4-7 6919 Yolo 2 miles north of Davis, City Dump. Comment
  UCD36158  Hordeum marinum subsp. gussoneanum Beecher Crampton 1953-3-16 1007 Yolo 3 miles north of city of Davis, on pullout embankment at side of railroad. Comment
  UCD37907  Hordeum marinum subsp. gussoneanum Beecher Crampton 1962-4-28 6345 Yolo 2 miles northeast of city of Davis, near city dump. Comment
  UCD80903  Hordeum marinum subsp. gussoneanum Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5307 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
  UCD85900  Hordeum marinum subsp. gussoneanum R. Tofsrud 1949-4-1 s.n. Yolo Near Davis dump. Comment
  SBBG116099  Hordeum murinum B. Crampton 1953-3-17 1010 Yolo city of Davis, vacant lot along B Street Comment
  UCD73581  Hordeum murinum Ellen Dean; Elizabeth Goebel 2008-4-7 4724 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat in the northeastern part of the ranch that is accessed by a private road at the end of Moody Slough Road. 70 Comment
  UCD86224  Hordeum murinum Morris Halperin 1931-3-7 s.n. Yolo Davis. Near Agronomy Bldg. Comment
  SEINET9348938  Hordeum murinum Unknown 1988-8-16 18656 Yolo UC Davis Campus Comment
  UCD37788  Hordeum murinum subsp. glaucum Beecher Crampton 1962-3-30 6096 Yolo Davis. Comment
  UCD58089  Hordeum murinum subsp. glaucum Ellen Dean; K. Mawdsley 2007-4-6 3628 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Southern/central part of ranch. 537 Comment
  CAS-BOT-BC284775  Hordeum murinum subsp. glaucum Bellue 1933-6-1 s.n. Yolo Unspecified Comment
  CHSC114893  Hordeum murinum subsp. leporinum M. Beyers 2010-4-3 330 Yolo Along Highway 128, immediately adjacent to westbound traffic just northeast of Putah Creek (and Lake Solano County Park). 48 Comment
  SEINET3828566  Hordeum murinum subsp. leporinum George K. Helmkamp, E. A. Helmkamp 2012-1 18785 Yolo Sacramento Valley: along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland. 65 Comment
  UCD21202  Hordeum murinum subsp. leporinum J. Shepard 2000-2-28 58 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, near barn. At south end of archery range. 12 Comment
  UCD36327  Hordeum murinum subsp. leporinum Beecher Crampton 1953-5-26 1344 Yolo Davis. Vacant lot. Comment
  UCD85932  Hordeum murinum subsp. leporinum Bradford Bearce 1965-4-11 24 Yolo Davis. Little League Ball Park. SW corner of County Road 31 and H St. Comment
  UCD86132  Hordeum murinum subsp. leporinum Beecher Crampton 1953-1-23 969 Yolo Davis. In a lawn. Comment
  UCD86136  Hordeum murinum subsp. leporinum Beecher Crampton 1953-5-26 1343 Yolo Davis. Vacant lot. 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
  CDA2212  Hordeum murinum subsp. leporinum Margaret Bellue 1933-6-3 Yolo 0 Comment
  UCD85668  Hordeum pusillum Beecher Crampton 1960-5-25 s.n. Yolo UC Davis Campus. Agronomy Experimental Area. Comment
  SEINET242457 Image available Hordeum vulgare Beecher Crampton 1986-12-3 T.O.s.n. Yolo CULTIVATED; UC Davis Campus, Agronomy Experimental Area Comment
  UCD86535  Hordeum vulgare Beecher Crampton 1961-6-1 5887 Yolo 3 miles S of Woodland. Comment
  CDA30587  Hypochaeris glabra M. Beyers 2010-5-12 443 Yolo Nr. Esparto, east side of County Road 87, where it bridges Cache Creek on its north. 55 Comment
  UCD14496  Ilex rotunda John M. Tucker 1981-5-19 4456 Yolo California, Yolo Co.; University of California, Davis, Dept. of Environmental Horticulture shrub block; Comment
  SEINET7247646  Ipomoea alba June McCaskill, Katherine Onaga 1962-1 659 Yolo To top of 5 foot wooden fence in backyard at 816 Miller Drive, Davis Comment
  SEINET10880657  Ipomoea batatas Stephanie Frischie 2000-9-27 Frischie 70 Yolo Safeway Store #1205, 1431 West Covell, Davis, CA 95616. Comment
  UCD161199  Ipomoea indica Jean Shepard 2014-5-27 886 Yolo City of Davis. East 8th St., east of Mesquite Dr. Comment
  SFV842  Juglans californica var. hindsii L. B. Hendrix 1962-4-28 27 Yolo Sacramento Valley Davis. University of California campus. Comment
  RSA273225  Juglans hindsii Glenn A. Gorelick 1966-6-8 s.n. Yolo Davis Comment
  UCD110260  Juglans hindsii Carole Eastman 1976-6-9 s.n. Yolo Collected near second bridge before approaching DQU entrance road on Road 31 going west from Davis. Comment
  UCD110267  Juglans hindsii S. C. Hanson 1949-5-18 3 Yolo South of Highway 99, near Davis. Comment
  UCD110272  Juglans hindsii G. F. Hrusa 1994-4-9 11736 Yolo University of California, Davis: Putah Creek Riparian Reserve. Approximately 1/2 m. W of Hopkins Rd. terminus. 50 Comment
  UCD41123  Juglans regia K. Arhangelsky 2002-4-5 165 Yolo Eastern foothills of inner north coast range, Capay Valley. Farm near Rumsey. Comment
  UCR37022  Juncus arcticus A. C. Sanders 1984-6-18 5065 Yolo Sacramento Valley, Sacramento Bypass near Bryte, just NW of Sacramento, bed of the bypass 1 mi west of the Sacramento River 5 Comment
  UCD41049  Juncus balticus subsp. ater Carol W. Witham 2003-8-8 980 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD73124  Juncus balticus subsp. ater Ayzik Solomeshch 2003-6-1 s. n. Yolo Department of Fish and Game Glide Tule Ranch, about 8 mi. southeast of Davis. 6 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
  UCD34978  Juncus bufonius Beecher Crampton 1996-4-22 10336 Yolo 3.5 miles S.E. of Woodland, along Mavis-Henson (Field) road, just east of its jct. with county road 102 and just south of road 25. Comment
  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
  UCD21055  Juncus uncialis Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-4-5 235 Yolo S of the city of Davis. Along Road 38, approximately 0.25 miles S of its intersection with Road 105. Glide/Tule Ranch site, pool # GLI002. 2 Comment
  SEINET8055970 Image available Juniperus chinensis June McCaskill 1959-1 588 Yolo Student health center, University of California Comment
  UCD20533  Juniperus oxycedrus Andrew T. Leiser 1984-3-18 s.n. Yolo Yolo County, Clarksburg, Clarksburg Community Church. Comment
  SEINET11070501  Juniperus oxycedrus A. T. Leiser 1984-3-18 s.n. Yolo Clarksburg Community Church, Clarksburg. Comment
  UCD97109  Keckiella lemmonii Ellen Dean; C. Loughran, A. Fuller 2011-5-8 7009 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, small side canyon mouth (just north of side canyon with salt spring) on east side of Bray Creek. Comment
  UCD21314  Kickxia elatine J. Shepard 2000-5-20 263 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. Parking lot on north side of entrance road. 12 Comment
  UCR78373  Kickxia elatine Barbara Ertter 1988-10-21 7984 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
  OBI72039  Kickxia elatine Barbara Ertter 1988-10-21 7984 Yolo Cache Crk at Rd 89 crossing just W of I-505, E of gravel pits 1.5 mi N of Madison, ca 10 airmiles W of Woodland, Sacramento Valley 37 Comment
  UCD123833  Kickxia elatine Beecher Crampton 1952-10-12 863 Yolo Yolo County, city of Davis, in walkway along Putah Creek. Comment
  UCD123853  Kickxia elatine H. R. Drever 1945-8-18 s.n. Yolo University of California campus, Davis. Comment
  UCD36095  Kickxia elatine Beecher Crampton 1952-10-12 863 Yolo Yolo County, city of Davis, in walkway along Putah Creek. Comment
  RSA0054931  Kickxia spuria Keith E. Hoffmaster 1939-4-26 931 Yolo Putah can. Comment
  CAS-BOT-BC180845  Kochia scoparia June McCaskill; Katherine Onaga 1960-9-29 609 Yolo Beside railroad maintenance crew shack, behind Boy Scout Cabin at 1st Street and Richards Boulevard, Davis Comment
  SEINET10945189  Lactuca sativa Stephanie Frischie 2000-10-14 Frischie 140 Yolo Davis Farmers' Market, Davis, CA. Comment
  CDA5613  Lactuca serriola A. S. Crafts 1926-7-8 417 Yolo University Farm Campus, Davis. 0 Comment
  UCD149337  Lactuca serriola Collector Unknown 1938-6-30 s.n. Yolo City of Woodland. 25 Comment
  UCD159452  Lactuca serriola D. S. Park 2010-8-5 208 -1 Yolo North Davis. Along W Covell Blvd. Roadside, disturbed. Outskirts of agricultural field. Growing in ditch. 14 Comment
  UCD38758  Lactuca serriola Beecher Crampton 1957-10-25 4640 Yolo West Sacramento, along the US Hwy. 40 freeway. Comment
  UCR119028  Lactuca serriola Beecher Crampton 1954-10-20 2297 Yolo Sacramento Valley, 5 miles east of Davis. 15 Comment
  UCD133553  Lactuca serriola R. N. Raynor 1938-8-15 s.n. Yolo Davis. Comment
  UCD32804  Lactuca serriola Beecher Crampton 1954-10-20 2297 Yolo 5 miles east of Davis, banks of irrigation ditch for rice fields. Comment
  UCD38688  Lagophylla ramosissima Beecher Crampton 1957-5-14 4020 Yolo 1.3 miles west of Zamora. Comment
  CAS-BOT-BC274321  Lagurus ovatus P. B. Kennedy No date on label s.n. Yolo Davis Comment
  SFV3167  Lamium amplexicaule E. B. Risley 1961-3-19 135 Yolo Capay Valley. North of Brooks on Highway 16. 90 Comment
  UCD124754  Lamium amplexicaule Beecher Crampton 1955-3-7 2317 Yolo city of Davis, University of California Agronomy Plots. Comment
  UCD125100  Lamium amplexicaule R. Tofsrud Date unknown s.n. Yolo Yolo County. Comment
  UCD35472  Lasthenia californica subsp. californica Beecher Crampton 1957-4-23 3950 Yolo Yolo County; 3 miles northeast of Davis. Comment
  POM53052  Lasthenia ferrisiae A. A. Heller, H. E. Brown 1902-4-30 5425 Yolo Near Black's. Comment
  CAS-BOT-BC352765  Lasthenia fremontii L. R. Abrams 1928-5-8 12608 Yolo Between Woodland and Davis Comment
  UCD133739  Lasthenia fremontii M. Wiesendanger 1927-4-29 590 Yolo Davis. Comment
  UCD33931  Lasthenia fremontii Beecher Crampton 1975-4-18 9160 Yolo Yolo County, 3 miles S.E. of Woodland. Comment
  UCR148119  Lasthenia fremontii Beecher Crampton 1996-4-22 10332 Yolo 3.5 m SE of Woodland, along Mavis-Henson (Field) road, just east of its jct. with county road 102 and just south of road 25 12 Comment
  UC90069  Lasthenia fremontii J. W. Blankinship 1893-5-6 Yolo Jules. Woodland Comment
  UCD34974  Lasthenia fremontii Beecher Crampton 1996-4-22 10332 Yolo 3.5 miles S.E. of Woodland, along Mavis-Henson (Field) road, just east of its jct. with county road 102 and just south of road 25. Comment
  UCD144289  Lasthenia glaberrima Carol W. Witham 2003-4-7 880 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD33788  Lasthenia glaberrima Beecher Crampton 1973-4-16 8917 Yolo 1 mile SW of Saxon Station. Comment
  UCR212288  Lasthenia glaberrima Ayzik Solomeshch 2003-5-30 s.n. Yolo Dept. of Fish and Game Glide Tule Ranch, about 8 miles SE of Davis 6 Comment
  JEPS35384  Lasthenia glabrata subsp. glabrata W. L. Jepson 1940-5-17 19927 Yolo 7 mi e Davis Comment
  UCD97002  Lasthenia glabrata subsp. glabrata Christopher Michael Bronny 2011-4-25 34 Yolo city of Woodland. Woodland Regional park property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Near northwest corner of the property, northwest of landfill. 11 Comment
  UCR212349  Lasthenia glabrata subsp. glabrata Ayzik Solomeshch 2003-5-30 s.n. Yolo Dept. of Fish and Game Glide Tule Ranch, about 8 miles SE of Davis 6 Comment
  CDA8121  Lasthenia glabrata subsp. glabrata G. D. Barbe 1987-4-3 4263 Yolo Yolo By-Pass, north of I-80, 5 miles east of Davis. 0 Comment
  UCD133759  Lasthenia glabrata subsp. glabrata Everett H. Everson 1951-4-19 35 Yolo Sacramento River, 9.4 miles southeast of Davis. On county road 34A. Comment
  SD70388  Lasthenia platycarpha Robert Ornduff 1958-4-19 4900 Yolo 3.0 miles north of Davis on road to Woodland. Comment
  UCD133879  Lasthenia platycarpha K. Esau 1937-5-18 s.n. Yolo highway between Davis and Woodland. Comment
  CAS-BOT-BC213334  Lathyrus jepsonii subsp. californicus Roxana Stinchfield 1916-6-25 332 Yolo Buckeye Creek, Goodin Ranch Comment
  UCR119142  Lathyrus jepsonii subsp. californicus Beecher Crampton 1961-5-8 5863 Yolo Sacramento Valley, Davis; north city limits along County Road 31. 15 Comment
  UC1228145  Lathyrus jepsonii var. californicus Beecher Crampton 1960-5-9 5510 Yolo 1 mi n Saxon Station Comment
  UCD34624  Lathyrus jepsonii var. californicus Beecher Crampton 1986-9-8 10070 Yolo Yolo County, Sacramento River, 3.5 miles north of Elkhorn, sandy flat. Comment
  UCD68017  Lathyrus latifolius C. P. Pease 1995-6-6 S.N. Yolo East side of University of California, Davis campus, Experimental College gardens. Found on an uncultivated site in the partially disturbed Experimental College gardens. A climbing perennial. Flowers, pink. 16 Comment
  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
  UCD20476  Laurus nobilis Pat Sullivan 1982-2-4 HN 074 Yolo California, Yolo County: Davis. University of California campus. Environmental Horticulture. Comment
  RSA10425  Layia chrysanthemoides C. B. Wolf 1928-5-8 2143 Yolo Sacramento Valley; 12 miles north of Dixon. Comment
  UCD133947  Layia chrysanthemoides P. B. Kennedy 1915-4-26 s.n. Yolo Davis. Comment
  UCD84329  Layia chrysanthemoides Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  SFV4004  Layia chrysanthemoides E. B. Risley 1961-3-25 141 Yolo Woodland highway at Southern Pacific railroad tracks near Teicherts. 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
  UCD63515  Leersia oryzoides A. A. Beetle 1945-9-28 4033 Yolo Old bed of Putah Creek, Davis. Comment
  UCD33555  Leersia oryzoides Beecher Crampton 1969-10-21 8525 Yolo Yolo County, Putah Creek bed, S.E. of University airport. Comment
  UCD80823  Lepidium acutidens Ellen Dean 2009-3-22 5281 Yolo city of Woodland. Mavis Henson Field property on the east side of county road 102, just south of county road 25. Property owned by city of Woodland. Field near center of property previously used for parking for rodeo shows. NE corner of field. 9 Comment
  CAS-BOT-BC88748  Lepidium appelianum A. S. Crafts 1935-9-15 s.n. Yolo Woodland. Comment
  UCD115260  Lepidium appelianum M. K. Bellue 1933-5-26 s.n. Yolo Tiger Inn. Comment
  UCD115261  Lepidium appelianum A. S. Crafts 1937-9-4 s.n. Yolo Davis. Comment
  UCD115266  Lepidium appelianum A. S. Crafts 1937-9-4 s.n. Yolo Davis. Comment
  UCD115267  Lepidium appelianum A. S. Crafts 1937-9-4 s.n. Yolo Davis. Comment
  UCD115272  Lepidium appelianum A. S. Crafts 1937-9-4 s.n. Yolo Davis. Comment
  UCD115273  Lepidium appelianum A. S. Crafts 1935-9-15 s.n. Yolo Woodland. Comment
  UCD115275  Lepidium appelianum A. S. Crafts 1935-9-15 s.n. Yolo Woodland. Comment
  UCD14897  Lepidium coronopus A. M. Shapiro 1995-5-16 s.n. Yolo Yolo Co.; Davis, Community Park near tennis courts; 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
  JEPS105143  Lepidium dictyotum var. acutidens Dean W. Taylor 1995-3-17 14766 Yolo ca. 100 m SE junction Road 102 and Road 25 (site is 6 miles N of Davis) Comment
  RSA388902  Lepidium didymum P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co., Clarksburg, Sacramento River. Comment
  UCD115352  Lepidium didymum P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co. Clarksburg -- Sacramento River. Comment
  CAS-BOT-BC89248  Lepidium draba M. P. Bellue 1932-8-10 s.n. Yolo Tiger Inn, West Sacramento. Comment
  UCD115367  Lepidium draba Bellue-Cowley 1932-7-1 s.n. Yolo location unknown. Comment
  CAS-BOT-BC89247  Lepidium draba Bellue; Cowley 1932-7-1 s.n. Yolo Unspecified. Comment
  UCD115372  Lepidium draba Dr. A. S. Crafts 1935-9-13 s.n. Yolo Woodland. Comment
  SD257227  Lepidium latifolium George K. Helmkamp, Mary Alice Barnes 2013-5-8 20527 Yolo Southern Sacramento Valley: Yolo Bypass Wildlife Area. 0.9 mile southeast of the junction of Chiles Road and I-80, between Sacramento and Davis. 13 Comment
  UC1607602  Lepidium latifolium Barbara Ertter 1988-10-21 7987 Yolo 1.5 mi n Madison (Cache Creek at Rd 89 crossing just w of I-505, e of gravel pits, ca 10 air mi w of Woodland, Sacramento Valley); Sacramento Valley, Cache Creek 36 Comment
  UCD115704  Lepidium latifolium Daryl Koutnik; John Sowell 1978-10-27 569 Yolo Putah Creek, east of county road 106 and west of Yolo Causeway. 6 Comment
  CAS-BOT-BC89745  Lepidium latifolium Margaret K. Bellue 1946-11-1 s.n. Yolo Lisbon District. Comment
  CAS-BOT-BC89746  Lepidium latifolium M. K. Bellue 1946-10-1 s.n. Yolo Lisbon District. Grain field bordering railroad. Comment
  CDA31082  Lepidium latipes Viola Popescu 2010-3-17 s.n. Yolo Aeromodelling Club. Rte 102 between Davis and Woodland. Comment
  JEPS84896  Lepidium latipes L. R. Heckard with Dave and Mary Anne Showers 5519 Yolo ca 3 mi se Woodland (s of Road 25 and w of Road 103) Comment
  SD131819  Lepidium latipes L. R. Heckard, J. C. Hickman 1982-4-7 5828 Yolo At corner of road 25A and road 103, ca. 3.0 miles southeast of Woodland. Comment
  UCD21266  Lepidium latipes J. Shepard 2000-4-30 156 Yolo East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, past parking lots in field. In and between a rutted dirt track going south. 12 Comment
  UCD63230  Lepidium latipes Ellen Dean; K. Mawdsley 2008-4-16 4805 Yolo southeast side of Woodland, Woodland Regional Park, just south of the intersection of County Roads 102 and 25, east side of road 102. Parking area between rodeo corrals and area just south of reservoir. 0 Comment
  UCD81052  Lepidium latipes Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5588 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
  JEPS84897  Lepidium latipes var. heckardii L. R. Heckard 1981-5-30 5518 Yolo ca. 3 mi. s.e. Woodland (s. of rd. 25 & w. of rd. 103) Comment
  UCD115776  Lepidium nitidum A. A. Beetle 1945-1-20 3076 Yolo West of Winters in Putah Canyon. Comment
  UCD21381  Lepidium nitidum J. Shepard 2001-3-26 423 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 4 mi. south on Mace Blvd. (County Road 104), thence east along County Road 36. Five yards from east boundary and the Department of Defense property fence and approximately 200 yards north of County Road 36. 12 Comment
  UCD80921  Lepidium nitidum Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5324 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Old rodeo parking area. 9 Comment
  CAS-BOT-BC89857  Lepidium nitidum W. D. Hamilton 1946-4-22 s.n. Yolo 7 miles west of Winters. Comment
  UCD115777  Lepidium nitidum Roy Y. Berg 1965-2-28 RYB 8375 Yolo County Rd. 101A (extending N from H-Street along railroad tracks), 0.7 miles N of intersection with county Rd. 31. Between road and railroad track. Comment
  UCD115825  Lepidium nitidum J. M. Tucker 1951-2-22 2029 Yolo ca. 1 mile north of Davis. 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
  UCD115756  Lepidium oblongum Joseph M. DiTomaso 1995-3-30 s.n. Yolo Across from Shields library, Univ. of California, Davis. Comment
  UCD115768  Lepidium oxycarpum J. M. Tucker 1951-2-24 2037 Yolo Off Highway 99W, ca. 3 miles northwest of Davis. Comment
  UCD169971  Lepidium pinnatifidum Breckenridge 2001-4-17 PDR 994075 Yolo Along I-5 from Dunnigan to Woodland. Comment
  UCD115857  Lepidium pinnatifidum Beecher Crampton 1960-5-9 s.n. Yolo 1/4 mile south of Saxon Station. Comment
  CAS-BOT-BC12895  Lepidium strictum Clarence R. Quick 1969-5-27 69 -10 Yolo Merritt Island, near junction of country roads #140 and 142, 3.5 miles south of Clarksburg. Comment
  CAS-BOT-BC12896  Lepidium strictum Clarence R. Quick 1971-4-29 71 -38 Yolo Pylman-Quick garden, Merritt Island. Near Clarksburg. Comment
  CDA33313  Lepidium strictum V. Popescu, Dale Woods 2010-3-23 s.n. Yolo Grassland Park; vernal pool area. 0 Comment
  JEPS84689  Leptochloa fascicularis John W. Willoughby 1976-7-29 1800 Yolo at junction of State Hwy 128 and County Road 86 (Pleasants Valley Road) 60 Comment
  CHSC106695  Leptochloa fusca subsp. fascicularis Barbara Ertter 1988-10-21 7992 Yolo Cache Creek at Rd 89 crossing just W of I-505, E of gravel pits 1.5 mi N of Madison, ca 10 airmiles W of Woodland. 36 Comment
  RSA734061  Leptochloa fusca subsp. fascicularis Beecher Crampton 1961-5-22 5876 Yolo Yolo Count, 3 miles west of city of Winters, along State Highway 128. Comment
  UCD36776  Leptochloa fusca subsp. fascicularis Beecher Crampton 1955-8-23 3138 Yolo Yolo County, 3 miles north of city of Davis. Comment
  UCD63654  Leptochloa fusca subsp. fascicularis Beecher Crampton 1955-8-23 3138 Yolo Yolo County, 3 miles north of city of Davis. 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
  UCD118986  Leptosiphon androsaceus K. O'Keefe 1995-6-3 s.n. Yolo 100 m from west side of Cold Creek, 250 m from confluence with Putah Creek. Below and east of Lake Berryessa, on side of Highway 128. 120 Comment
  UCD15041  Leptosiphon androsaceus Bruce Potter 1977-4-11 8 Yolo California, Yolo Co,; 1.6 miles east of Monticello Dam along Highway 128, approx. 0.5 miles west of Putah Creek Public Fishing Access and directly above Bray Canyon; 121 Comment
  UCD73092  Leptosiphon bicolor Ellen Dean; Plant Biology 102 students 2008-4-6 4715 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. 77 Comment
  HSC82275  Leptosiphon ciliatus Thomas W. Nelson, Jane P. Nelson 1980-4-27 5112 Yolo Along SR 16, 100 m E of bridge over Cache Creek, 4.2 mi. from county line 152 Comment
  UCD58053  Leptosiphon ciliatus Ellen Dean; K. Mawdsley 2007-4-6 3593 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 515 Comment
  UC963940  Leptosiphon latisectus R. F. Hoover 1938-3-12 2843 Yolo near Rumsey (Cache Creek canyon); Cache Creek Canyon Comment
  HSC17106  Leptosiphon liniflorus C. B. Wolf 1928-5-8 2137 Yolo 12 mi. N of Dixon on the Pacific Hwy. Comment
  SBBG115669  Leptosiphon liniflorus B. Crampton 1957-4-23 3945 Yolo 3 mi NE of city of Davis Comment
  UCD20546  Leptospermum rotundifolium A. T. Leiser 1981-5-4 Yolo Yolo County, Davis, UC Davis Environmental Horticulture, can yard. Comment
  UCD21344  Leymus condensatus J. Shepard 2000-10-8 344 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.7 mi. south on Mace Blvd. (County Road 104), thence east approximately 100 yards to row of Quercus lobata seedlings/saplings. 12 Comment
  CAS-BOT-BC283501  Leymus triticoides Clarence R. Quick 1969-6-4 69 -14 Yolo Merritt Island, near junction of county roads 140 and 142, 3.5 miles S of Clarksburg Comment
  UCD141662  Leymus triticoides Ellen Dean; M. Taylor, K. MacMillan 2013-6-13 7790 Yolo City of Davis South Fork Preserve, along Mace Blvd. (County Road 104) south of the City of Davis boundary. North bank of Putah Creek in Plot MBN 1A of the Putah Creek vegetation survey. 9 Comment
  UCD144315  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
  UCD65591  Leymus triticoides R. Tofsrud 1942-11-1 70 Yolo Davis. Comment
  UCD86634  Leymus triticoides A. A. Beetle 1946-6-1 4709 Yolo Davis Campus. Comment
  UCD116511  Limnanthes douglasii subsp. nivea K. Esau 1932-3-26 s.n. Yolo Putah Canyon. Comment
  UCD40996  Limnanthes douglasii subsp. rosea Carol W. Witham 2003-4-11 926 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  CDA15886  Linanthus androsaceus G. F. Hrusa 1998-3-21 14156 Yolo North Coast Biodiversity Arena; Hwy 16 along Cache Creek at the rafting put-in. Nr. Lake County line. Comment
  UCD123832  Linaria dalmatica subsp. dalmatica Breckenridge; Kratville 2001-5-3 PDR 120457 7 Yolo along median of south-bound Interstate hwy 5, Woodland. Comment
  UC1254518  Lolium A. A. Beetle May 1945 Yolo Davis Comment
  UCD15236  Lolium multiflorum Claire Warshaw 1985-5-31 25 Yolo California, Yolo Co.; ca. 1 mile north on F street from Covell Blvd.; 12 Comment
  UCD36960  Lolium multiflorum Beecher Crampton 1956-5-31 3499 Yolo Yolo County, 2 miles west of city of Davis, on road to Winters, at 'Four Corners. Comment
  UCD66010  Lolium multiflorum Cay Collette 1975-5-10 12 Yolo Knight's Landing, approx. 25' from Sacramento River. 15 Comment
  UCD66067  Lolium multiflorum Beecher Crampton 1957-11-5 4646 Yolo East of West Davis Elementary School, Davis. Comment
  UCD66239  Lolium multiflorum R. Tofsrud 1942-5-1 167 Yolo Davis. Putah Creek. Comment
  UCD66298  Lolium multiflorum R. Tofsrud 1942-5-1 166 Yolo Davis. Putah Creek. Comment
  UCD66304  Lolium multiflorum R. Tofsrud 1942-1 97 Yolo Near Davis. Comment
  UCD66480  Lolium perenne Beecher Crampton 1965-6-29 7392 Yolo 5 miles E of Davis, Yolo Bypass. Comment
  SACT001463  Lolium perenne 1925-6-3 Yolo No collector/determiner listed Comment
  RSA701647  Lolium perenne subsp. multiflorum Lois Weston 1942-4-20 s.n. Yolo Davis. Comment
  UCR235380  Lolium perenne subsp. multiflorum George K. Helmkamp, E. A. Helmkamp 2012-4-17 18768 Yolo Sacramento Valley, along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland 65 Comment
  UCD66627  Lolium temulentum Beecher Crampton 1970-4-9 8554 Yolo 5 miles west of Winters, along State Hwy. 128. Comment
  UCD66629  Lolium temulentum Beecher Crampton 1961-6-1 5886 Yolo 3 miles S of Woodland. Comment
  UC630442  Lomatium californicum Annetta Carter 1938-5-7 1360 Yolo 3.6 mi. n. Rumsey (Cache Creek canyon); Inner North Coast Range, Cache Creek canyon 152 Comment
  UCD127603  Lomatium californicum Shirley L. Cotter 1952-3-29 3427 -B Yolo Putah Canyon. Comment
  UCD47848  Lomatium californicum Ryan Knox; E. McDermott and G. Walden 2002-4-13 20 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. 490 Comment
  SEINET215150  Lomatium californicum L. L. Creasy, MT Creasy 1962-3-17 10 Yolo Along Putah Creek; State highway 128 6 miles west of Winters Comment
  UCD20012  Lomatium dasycarpum subsp. tomentosum C. H. Lamoureux; Jack, Marie, and Susan Sheets 1957-4-28 1227 Yolo Capay Canyon. Hwy 16, 7.1 miles NW of Rumsey. 0.1 mile SE of Yolo-Colusa County line. 304 Comment
  CDA38379  Lomatium dasycarpum subsp. tomentosum T. C. Fuller 1958-4-23 353 -58 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
  SEINET13944553 Image available Lomatium marginatum L. Constance 1970-1 3881 Yolo Open grassland, Sacramento Valley, junction of Fairfield-Winters & Vacaville-Allendale roads Comment
  UCD127798  Lomatium utriculatum Carl A. Huether Jr. 1964-3-13 11 Yolo State Highway 16, 2.5 miles north of Rumsey. Comment
  UCD56764  Lomatium utriculatum Ellen Dean; M. Bibbo 2007-3-23 3456 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Western/Central portion of ranch near unimproved access loop road. 646 Comment
  UCD127795  Lomatium utriculatum K. Esau; E. Hyde 1938-5-5 s.n. Yolo near bridge at entrance to Putah Canyon. Comment
  UCD69417  Lonicera japonica S. Quick 1996-5-19 14 Yolo City of Davis. F Street, within 10 meters of railroad tracks, between 12th and 14th Streets. Disturbed rocky field dominated by grasses. Twining shrub, roughly 2 meters tall. Flowers paired in axils, white, yellowing with maturity. 17 Comment
  UCD41108  Lotus corniculatus D. Lowry 2002-4-26 195 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey. Lowrey ranch, off Rd 41. Comment
  UCD38970  Lotus purshianus Beecher Crampton 1961-5-17 5869 Yolo 3 miles S of Woodland. Comment
  CDA4197  Lotus uliginosus L. B. Howard 1947-2-28 Yolo Northrup-King Trial yards-BorK 0 Comment
  SD257316  Ludwigia hexapetala George K. Helmkamp, Mary Alice Barnes 2013-5-8 20524 Yolo Southern Sacramento Valley: Yolo Bypass Wildlife Area, 0.9 mile southeast of the junction of Chiles Road and I-80, between Sacramento and Davis. (Davis 7.5'Q) 13 Comment
  UCD107115  Ludwigia peploides Chas. Heiser 1947-6-25 1941 Yolo Under E end of Yolo Causeway. Comment
  UCD75888  Ludwigia peploides subsp. montevidensis B. J. Grewell 2007-10-15 07- 105 -LU Yolo Cache Creek at Rumsey Bridge, Yolo County. 124 Comment
  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
  RSA735206  Lupinus Keith E. Hoffmaster 1939-4-6 911 Yolo Putah Canyon. Comment
  UCD38378  Lupinus albifrons Beecher Crampton 1953-2-26 986 Yolo Hills above Putah Creek, 5 miles west of Winters. Comment
  UCD21251  Lupinus bicolor J. Shepard 2000-4-13 134 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. South of entrance road past parking lots on the S side. 12 Comment
  UCR206280  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2009-5-20 14723 Yolo Western Sacramento Valley, Capay Valley; along CA-16, 1.5 miles west of Capay 70 Comment
  UCD33688  Lupinus bicolor Beecher Crampton 1972-3-13 8772 Yolo 3 miles west of Winters. Comment
  RSA699931  Lupinus bicolor subsp. bicolor Keith E. Hoffmaster 1946-3-29 1088 . Yolo Putah Canyhon, south hill slope near Cannonball. Comment
  SEINET10870963  Lupinus bicolor var. umbellatus Brown 1966-3-25 Brown 8 Yolo On open hills with an occasional tree; putah canyon, 2 mi. W of winters and .7 Mi. N of state hwy 128 on road 87b (toward gil krisor's place), yolo co, calif. Comment
  POM10730  Lupinus densiflorus var. aureus C. F. Baker 1903-5-7 3070 Yolo Rumsey. Comment
  RSA10433  Lupinus densiflorus var. aureus Carl B. Wolf 1928-5-8 2135 Yolo Sacramento Valley, 7 # miles north of Zamora. Comment
  UC1200776  Lupinus formosus P. B. Kennedy 1916-7-23 Yolo Comment
  CHSC100174  Lupinus microcarpus var. densiflorus John Dittes 2007-5-6 1447 Yolo Inner North Coast Range; Vaca Mountains; Audubon Bobcat Ranch; ca. 3.9 air miles west by northwest of Winters, ca. 2.9 air miles northeast of Monticello Dam; ca., 0.8 air mile south of Buckhorn Spring. 160 Comment
  JEPS100594  Lupinus microcarpus var. densiflorus Dean W. Taylor 1972-3-29 1384 Yolo along Highway 120 about 3 miles below Monticello Dam at Lake Berryessa 152 Comment
  UCD108756  Lupinus microcarpus var. densiflorus M. Wiesendanger 1927-4-29 615 Yolo Esparto. Comment
  UCD81456  Lupinus microcarpus var. densiflorus M. Wiesendanger 1927-4-29 615 Yolo Esparto. Comment
  UCR206281  Lupinus microcarpus var. densiflorus George K. Helmkamp, E. A. Helmkamp 2009-5-20 14722 Yolo Western Sacramento Valley, Capay Valley; along CA-16, 1.5 miles west of Capay 70 Comment
  UCD108643  Lupinus microcarpus var. densiflorus Beecher Crampton 1974-5-22 9054 Yolo 1 mile north of Davis. Comment
  UCD108751  Lupinus microcarpus var. densiflorus E. H. Stanford 1940-4-28 s.n. Yolo Putah. Comment
  UCD108763  Lupinus microcarpus var. densiflorus Collector Unknown 1925-5-16 1721 Yolo Winters. Comment
  CAS-BOT-BC8264  Lupinus microcarpus var. microcarpus Amos Arthur Heller; H. E. Brown 1902-4-29 5415 Yolo Near Madison Comment
  UCD37585  Lupinus microcarpus var. microcarpus Beecher Crampton 1955-4-14 2477 Yolo 7 miles west of city of Davis, Moon Ranch. Comment
  JEPS84537  Lupinus nanus John W. Willoughby 1977-3-27 1971 Yolo hills n of State Highway 128 at fishing access 1.2 mi nw of the junction of the highway and Pleasants Valley Road (County Road 86); Vaca Mountains, n of State Highway 128 60 Comment
  UCD170025  Lupinus nanus Keith E. Hoffmaster 1939-4-6 906 Yolo Putah Canyon. 75 Comment
  UCD34399  Lupinus nanus Beecher Crampton 1982-3-22 9821 Yolo 5 miles west of Winters on Hwy. 128. Comment
  UCD73584  Lupinus nanus Ellen Dean; Elizabeth Goebel 2008-4-7 4726 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat in the northeastern part of the ranch that is accessed by a private road at the end of Moody Slough Road. 70 Comment
  SFV1910  Lupinus nanus J. M. Tucker 1958-4-7 3379 Yolo North side of State Highway 128, about 2.75 miles southwest of Winters. Comment
  SEINET10484053  Lupinus nanus subsp. nanus Martin 1960-3-22 Martin 30 Yolo On s-facing slope in canyon s of putah creek and draining into it. Associated With grasses and plagiobothrys nothofulvus; 1/4 mi e of monticello dam, Yolo-solano co border. Comment
  UCD34404  Lupinus pachylobus Beecher Crampton 1982-4-4 9827 Yolo 2 miles west of Winters. Comment
  RSA31945  Lupinus subvexus var. subvexus A. A. Heller 1929-4-21 14847 Yolo Madison Comment
  UC753996  Lupinus succulentus H. F. Copeland 1943-4-24 1592 Yolo e Davis; e of Davis Comment
  UCD81004  Lupinus succulentus Drew Maraglia 2009-4-15 7 Yolo Mavis Henson Field, owned by city of Woodland. East side of County Road 102, just south of County Road 25. Edge of road in old rodeo parking area. 9 Comment
  SEINET10490284  Lupinus vallicola subsp. apricus Tucker 1958-4-7 TUCKER 3379 Yolo Abundant in open, level pasture; n side of state hwy 128, ca 2 3/4 mi sw of Winters. Comment
  CDA29234  Lycianthes ciliolata D. G. Kelch 2005-9-21 6 .482 Yolo U.C. Davis Conservatory. Comment
  RSA733863  Lycium barbarum Keith E. Hoffmaster 1946-8-4 1254 Yolo Davis Comment
  SEINET10637646  Lycopersicon esculentum Stephanie Frischie 2000-10-7 Frischie 120 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET10637647  Lycopersicon esculentum Stephanie Frischie 2000-10-7 Frischie 119 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET10844325  Lycopersicon esculentum Stephanie Frischie 2000-9-30 Frischie 97 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET10844326  Lycopersicon esculentum Stephanie Frischie 2000-10-7 Frischie 114 Yolo Davis Farmers' Market, Davis, CA. Comment
  UCD126617  Lycopersicon esculentum J. D. Atkin 1952-6-1 52 Yolo growing at Truck Crops Field, University of California, Davis. Comment
  UCD142948  Lycopus americanus Ellen Dean; A. Lal, M. Taylor 2013-7-8 7820 Yolo Russell Ranch UC Davis Riparian Reserve on south side of Russell Blvd. between City of Davis and City of Winters. Found in Putah Creek Vegetation Survey Plot RRR 1D. 30 Comment
  CDA40733  Lycopus americanus Margaret Bellue 1933-1 s.n. Yolo Near Causeway, Davis Highway. 0 Comment
  UC1619947  Lythrum californicum Barbara Ertter 1988-10-21 7991 Yolo ca. 10 airmiles w. Woodland (Cache Creek at Rd. 89 crossing just w. of I-505, e. of gravel pits 1.5 mi. n. of Madison); Sacramento Valley, Cache Creek 36 Comment
  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
  UCD38271  Lythrum californicum Beecher Crampton 1953-10-15 1692 Yolo 2 miles west of Madison. Comment
  UCD38517  Lythrum californicum Beecher Crampton 1955-9-29 3164 Yolo US Hwy 99W. 1.5 miles north of Davis. Comment
  UCD20628  Lythrum hyssopifolia E. Dean; with M. Bibbo 2002-7-5 1154 Yolo McLaughlin UC Reserve. Clover Valley, W of main road that goes N-S through the valley, alongside of dried drainage, S of stock pond. 457 Comment
  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
  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
  UCD35423  Lythrum tribracteatum Beecher Crampton 1956-7-13 3716 Yolo Yolo bypass. Comment
  UCD84361  Lythrum tribracteatum Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCR206347  Madia elegans subsp. vernalis George K. Helmkamp, E. A. Helmkamp 2009-5-20 14726 Yolo Inner Coast Range, west side of Cache Creek along CA-16, 5.5 miles southeast of the Colusa County line 177 Comment
  HSC82081  Madia gracilis Thomas W. Nelson, Jane P. Nelson 1980-4-27 5110 Yolo Along SR 16, 100 m E of bridge over Cache Creek, 4.2 mi. from county line 152 Comment
  UCD59344  Madia gracilis Ellen Dean; Kate Mawdsley 2007-5-11 3768 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
  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
  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
  UCR226144  Madia gracilis Elaine Chow, Plant Biology 102 students 2008-4-6 003 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128, on north side of Putah Creek downstream of Monticello Dam, Bray Canyon 109 Comment
  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
  OBI50210  Malacothrix floccifera Barbara Ertter, Annetta Carter 1989-5-28 8528 Yolo NW corner of county. Rayhouse Rd 4.3 mi from Hwy 16, E side of ridge beteen Blue Ridge and Little Blue ridge, 0.4 mi below crest at large roadcut, ca 5 airmiles WSW of Rumsey, T12N, R5W 732 Comment
  UCD35564  Malacothrix obtusa Beecher Crampton 1958-4-21 4716 Yolo 6.5 miles northwest of Rumsey. Northwestern Yolo County. Comment
  UCR220407  Malva nicaeensis Jean V. Shepard 2000-4-9 111 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, 4 mi south on Mace Blvd. (Co. Road 104) from intersection of Hwy I-80 and Mace Blvd., 1 mi east along unpaved entrance road 12 Comment
  SEINET5729251 Image available Malva nicaeensis William Schlack 1975-1 9 Yolo Road 102, 5 miles north of Covell Boulevard. 12 Comment
  UCD116614  Malva nicaeensis Howard S. Shellhammer 1959-5-2 32 Yolo On California Street directly across from south end of Haring Hall, University of California campus, Davis. Comment
  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
  UCD33999  Malva parviflora Beecher Crampton 1975-8-22 9246 Yolo Yolo County, county road 104 1 1/2 miles north of county road 28. Comment
  UCD41164  Malva parviflora N. Nicola 2002-4-4 159 Yolo Eastern foothills of inner north coast range, Capay Valley. Just west of town of Capay, Barsotti farm. Comment
  UCD116678  Malva sylvestris Mrs. Nora Cruse 1938-5-26 s.n. Yolo 412 Lincoln Ave., Woodland. Comment
  UCD116695  Malvella leprosa P. B. Kennedy 1916-7-23 s.n. Yolo location unknown. Comment
  LA36326  Malvella leprosa H. Popenoe; 1949-6-2 29 Yolo by Davis-Winters flight strip Comment
  UCD116710  Malvella leprosa Collector unknown Date unknown 403 Yolo Davis. Comment
  UCD116717  Malvella leprosa C. J. W. 1913-9-1 306 Yolo Davis. Comment
  UCD107582  Marah fabacea F. H. Bolata 1912-4-1 s.n. Yolo Davis. Comment
  UCD107630  Marah fabacea B. L. Hanson 1961-3-27 12 Yolo State Highway 16 at County Road 78A, near Brooks. 91 Comment
  UCD38891  Marah fabacea Beecher Crampton 1960-3-10 5479 Yolo 3 miles south of Woodland. Comment
  UCD125031  Marrubium vulgare J. K. Couch 1995-5-26 26 Yolo Community Gardens in Davis. 1.5 miles north of Putah Creek, bordering 113. 16 Comment
  UCD125023  Marrubium vulgare W. T. P. 1916-9-1 s.n. Yolo Davis. Comment
  UCD81461  Marrubium vulgare M. Wiesendanger 1927-4-29 612 Yolo Woodland. Comment
  UCD136572  Marsilea vestita subsp. vestita C. B. Heiser Jr. 1947-5-3 1908 c Yolo Under Yolo Causeway. Highway 99W. Comment
  UCD21218  Matricaria discoidea J. Shepard 2000-3-18 85 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. 12 Comment
  CAS-BOT-BC348253  Matricaria discoidea W. D. Hamilton 1946-4-16 s.n. Yolo Davis Comment
  CAS-BOT-BC348254  Matricaria discoidea Alice Eastwood 1927-3-28 s.n. Yolo Winters Comment
  OBI54933  Matricaria discoidea Kathleen Faustini 1980-4-21 7 Yolo Rte E6 near rd 31 Comment
  UCD170106  Matricaria discoidea M. K. Bellue; Goodwin 1932-4-22 s.n. Yolo Davis. Comment
  RSA790655  Matricaria matricarioides George K. Helmkamp, E. A. Helmkamp 2012-4-17 18779 Yolo Along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland 65 Comment
  POM362450  Matricaria matricarioides Glenn A. Gorelick 1966-4-1 s.n. Yolo Davis Comment
  RSA695728  Matricaria matricarioides Lois Weston 1942-4-5 1109 Yolo Davis campus Comment
  UC178612  Matricaria occidentalis J. W. B. 1892-1 Yolo Woodland Comment
  UCD134448  Matricaria occidentalis F. Angwin 1941-5-28 s.n. Yolo Davis. Comment
  UCD38684  Matricaria occidentalis Beecher Crampton 1957-5-13 4002 Yolo 3.5 miles northeast of Davis. Comment
  CDA4195  Medicago arabica P. B. Kennedy 1915-4-26 Yolo Chin. Farm, Davis. 0 Comment
  UCD170936  Medicago lupulina Jean Shepard 2018-6-7 917 Yolo City of Davis. Along south side of Fifth St., east of Cantrill Dr., at bus stop. 13 Comment
  UCD21214  Medicago polymorpha J. Shepard 2000-3-18 80 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. Along south side of main entrance road. 12 Comment
  UCD48031  Medicago polymorpha Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 9 Yolo McLaughlin UC Reserve. W side of Davis Creek Reservoir, along road that goes from Soda Spring are to Rayhouse Rd. Ca. 0.5 airline mile due N of Soda Springs and ca. 1.0 airline mile WNW of UC Davis Aquatic Lab facility. 487 Comment
  RSA563553  Medicago polymorpha D. Charlton 1990-3-6 4156 Yolo SW of UC Davis, frontage RD off HWY 80 15 Comment
  UCD35267  Medicago polymorpha Beecher Crampton 1955-3-21 2334 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
  UCD107931  Medicago sativa F. E. Hadly 1920-3-28 s.n. Yolo Univ. Farm, Davis. Comment
  UCD54297  Melica californica George P. Hrusa; Marcel Rejmanek 1993-4-18 10787 Yolo Stebbins Cold Canyon Reserve, steep east facing slope on west side of Cold Creek, near reserve southern boundary. Comment
  UCD86425  Melica californica A. A. Beetle 1944-3-27 1969 Yolo 3 miles west of Winters, entrance to Putah Creek Canyon. 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
  UCD108015  Melilotus albus Daryl Koutnik; John Sowell 1978-10-27 566 Yolo Putah Creek, east of county road 106 and west of Yolo Causeway. 6 Comment
  UCD20860  Melilotus indicus N. Nicola 2001-5-2 077 Yolo Sacramento Valley, 4 miles west of Woodland, at Cache Creek Nature Preserve, riparian zone of Cache Creek. Comment
  UCD62796  Melilotus indicus Susan Zhang; Plant Biology 102 students 2008-5-3 6 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. In and along Bray Creek. 103 Comment
  UCD108074  Melilotus indicus Lynn M. Holstein 1979-5-18 1 Yolo Corner of 5th and Poleline Rds. In Davis. Comment
  UCD142949  Mentha canadensis Ellen Dean; A. Lal, M. Taylor 2013-7-8 7821 Yolo Russell Ranch UC Davis Riparian Reserve on south side of Russell Blvd. between City of Davis and City of Winters. Found in Putah Creek Vegetation Survey Plot RRR 1D. 30 Comment
  UCD125030  Mentha canadensis Beecher Crampton 1953-10-15 1691 Yolo 2 miles west of Madison. Comment
  UC872510  Mentzelia laevicaulis var. laevicaulis Roxana Stinchfield 1916-6-25 337 Yolo Buckeye Creek, Goodin Ranch 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
  UCD20797  Micranthes californica N. Nicola; C. Kremen 2001-3-16 013 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  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
  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
  RSA695731  Micropus californicus var. californicus Keith E. Hoffmaster 1940-4-28 951 Yolo West of Winters Comment
  UCD23201  Microseris douglasii A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCD84327  Microseris douglasii subsp. douglasii Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 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
  UCD118899  Microsteris gracilis Rolf Y. Berg 1964-3-14 8015 Yolo Cache Creek Canyon, State Highway 16, ca. 2-5 miles northwest of Rumsey. Comment
  UCD118905  Microsteris gracilis E. H. Everson 1951-2-23 4 Yolo Yolo and Colusa County Line: Cache Creek Canyon, 5.3 miles northwest of Rumsey. Comment
  UCD122251  Mimulus aurantiacus Ogden C. Riddle 1942-3-29 24 Yolo Putah Canyon. Hill across creek north of 'cannon ball'. Comment
  UCD15554  Mimulus aurantiacus Lara Hawthorne 1989-4-27 4 Yolo Hwy 128, near Lake Berryessa. Comment
  UCD122271  Mimulus aurantiacus var. aurantiacus Joseph M. DiTomaso 1976-4-9 400 Yolo below Monticello Dam at Lake Berryessa, above Putah Creek. 134 Comment
  UCD41419  Mimulus bolanderi Susan Harrison 2003-6-10 s.n. Yolo BLM land east of McLaughlin UC Reserve. Comment
  UCD59396  Mimulus cardinalis Ellen Dean; Kate Mawdsley 2007-6-8 3869 Yolo Tuleyome Ireland Ranch, Inner Coast Ranges, northwest of the city of Winters, between Salt Creek and Enos Creek, just N of Wild Cow Mtn. Southeastern quadrant of ranch Crooker Springs, and drainage leading upsream from it. 337 Comment
  UCD167385  Mimulus congdonii Kathy Toll 2016-5-1 2 Yolo McLaughlin UC Reserve. Clover Valley. 457 Comment
  UCD19286  Mimulus latidens Gene M. Miyao 1986-4-15 s.n. Yolo ca. 1 mi. south of Madison, Circle G Ranch on County Rd. 89. 45 Comment
  UCD122852  Mimulus pilosus Lynn R. Patterson 1978-5-27 91 Yolo Dunnigan, 3 miles north of Road 6 on Road 86. Dunnigan foothills. 30 Comment
  UCD122964  Mimulus tricolor Carol W. Witham 2003-4-7 889 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  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
  UCD36524  Minuartia douglasii Beecher Crampton 1954-4-15 1774 Yolo 3 miles west of city of Winters. Comment
  UCD125286  Monardella Collector Unknown Date Unknown s. n. Yolo Northwest part of county. Comment
  RSA408694  Monardella villosa subsp. villosa R. D. Moon 1973-5-26 61 Yolo 7 miles north of Guinda on Highway 16. 518 Comment
  UCD146830  Montia fontana Carol W. Witham 2003-4-11 940 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD55512  Montia fontana J. Shepard 2004-3-21 645 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east on unpaved entrance road .4 mi., about 20 yd. west of DOD fence, thence .4 mi. south, about 40 yd. north of Co. Rd. 36. 12 Comment
  CAS-BOT-BC445133  Montia parvifolia Mrs. H. C. Cantelow 1932-8-17 368 Yolo Unspecified Comment
  CDA16253  Morus alba G. F. Hrusa 1997-10-13 14123 Yolo Sacramento Valley; Riparian zone of Sacramento R. immediately S of I-5 ~ 5 mi E of Woodland (near Tule Canal). Mostly along railroad tracks parallel to river on N side. 0 Comment
  UCD146948  Muilla maritima Carol W. Witham 2003-4-11 930 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD41000  Muilla maritima Carol W. Witham 2003-4-11 930 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  RSA91890  Muilla maritima Beecher Crampton 1953-3-29 1041 Yolo Railroad embankment, 1.5 miles north of Davis. Comment
  SEINET3992260  Muilla maritima June McCaskill, Katherine Onaga 1967-4-28 718 Yolo Just E. of Davis Refuse Dump, Co. Rd. 102, ca. 1 mi N. of Co. Rd. 31, N. of Davis 15 Comment
  UCD84599  Muilla maritima Rolf Y. Berg 1963-3-30 5991 Yolo Rd. 102 (Pole Line Road) 1.1 miles N of Davis city limit. Uncultivated field opposite Yolo County Landfill. Comment
  UCD96293  Myosurus Beecher Crampton 1973-4-16 8920 Yolo Saxon SW 1. 5 Comment
  CAS-BOT-BC83401  Myosurus minimus L. R. Abrams 1928-5-8 12610 Yolo Between Woodland & Davis. Comment
  UCD164890  Myosurus minimus Henry House 1995-5-3 1995- 5 Yolo About 2 km SES of the intersection of Delhi Road and Levee Road. 2 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
  UCD72411  Myosurus minimus Ellen Dean; Kate Mawdsley 2008-4-16 4816 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
  UCD96295  Myosurus minimus Beecher Crampton 1978-5-8 9575 Yolo Yolo County, 1/4 mile south of Saxon Station. Comment
  UCD96610  Myosurus minimus M. Wiesendanger 1927-4-29 599 Yolo Davis. Comment
  CAS-BOT-BC83398  Myosurus minimus Barrett Anderson; Ric Villasenor 1987-8-26 3612 Yolo East of road 103 between Road 25 and Road 27. 15 Comment
  SBBG115673  Myosurus minimus B. Crampton 1998-5-18 10362 Yolo ca. 2.5 mi N of Davis along county rd 29 just W of its jct with county rd 101A 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
  UCD96605  Myosurus minimus J. M. Tucker 1958-2-23 3362 Yolo A field on west side of the road running north from Davis, beside and parallel to the railroad track, ca. 1 1/2 miles north of Davis. 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
  RSA10404  Myosurus sessilis Carl B. Wolf 1928-5-8 2149 Yolo Sacramento Valley; 12 miles north of Dixon. 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
  HSC77869  Myriophyllum sibiricum Paul Tappel 1977-11-5 Yolo Putah Creek near Lake Solano Comment
  UCD73675  Nassella lepida Ayzik Solomeshch 2004-5-5 s. n. Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Northeastern part of ranch, Maxwell Flat area, accessed by private road that is at the end of Moody Slough Rd. 71 Comment
  UCD87805  Nassella lepida Alan A. Beetle 1946-4-6 4377 Yolo Yolo-Solano County, Putah Creek Canyon. Comment
  CAS-BOT-BC260115  Nassella pulchra Beecher Crampton 1982-3-22 9823 Yolo 5 miles W of Winters on Highway 128 Comment
  UCD59314  Nassella pulchra Ellen Dean; Kate Mawdsley 2007-5-11 3738 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Central part of ranch near western portion of loop road. 638 Comment
  UCD59378  Nassella pulchra Ellen Dean; Kate Mawdsley 2007-6-8 3853 Yolo Tuleyome Ireland Ranch, Inner Coast Ranges, northwest of the city of Winters, between Salt Creek and Enos Creek, just N of Wild Cow Mtn. Central part of ranch, just W of main loop road. 609 Comment
  UCD87474  Nassella pulchra Beecher Crampton 1958-4-17 4701 Yolo 4.5 miles west of city of Winters, along State Hwy. 128. Comment
  UCD87478  Nassella pulchra Beecher Crampton 1961-4-17 5857 Yolo 3 miles northeast of city of Davis, city dump and rifle range. 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
  RSA654911  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
  UC932060  Navarretia cotulifolia Verne Grant and Alva Grant 1946-4-12 7690 Yolo near Woodland Comment
  UCD36114  Navarretia cotulifolia Beecher Crampton 1952-11-7 910 Yolo Yolo County, 3 miles northwest of city of Davis. Comment
  UCD36881  Navarretia cotulifolia Beecher Crampton 1956-4-26 3312 Yolo Yolo County, 7 miles northeast of city of Davis, County Road 103. Comment
  UCD48346  Navarretia cotulifolia Beecher Crampton 1958-5-10 4778 Yolo 2 miles north of Davis. 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
  CDA9628  Navarretia intertexta D. G. Kelch 2007-5-18 7 .323 Yolo Yolo Causeway, 0.4 mi E of Levee Rd. / RR crossing. Comment
  CHSC79335  Navarretia leucocephala Beecher Crampton 1956-7-13 3707 Yolo Yolo Bypass. Comment
  UCD38894  Navarretia leucocephala Beecher Crampton 1960-5-9 5499 Yolo 1.25 miles southwest of Saxon Station. Comment
  UCR119143  Navarretia leucocephala Beecher Crampton 1963-4-27 1138 Yolo Sacramento Valley, Northern city limits of Winters. 30 Comment
  SD180578  Navarretia leucocephala Beecher Crampton 1960-5-9 5499 Yolo 1.25 miles southwest of Saxon Station. Vernal meadow Comment
  UCD23196  Navarretia leucocephala subsp. leucocephala A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCD48540  Navarretia leucocephala subsp. leucocephala Beecher Crampton 1965-6-29 7391 Yolo 5 miles E of Davis, Yolo Bypass. Comment
  UCD73715  Navarretia nigelliformis subsp. nigelliformis Ayzik Solomeshch 2004-5-14 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  UCD162955  Navarretia pubescens Craig Thomsen 2006-5-31 2646 Yolo Ridgeline trail (accessed at turn-out across the road from Camp Haswell), approximately 0.5 mile south of Hwy 16. Yolo County park adjacent to Cache Creek. Rumsey Canyon. 457 Comment
  UCD59311  Navarretia pubescens Ellen Dean; Kate Mawdsley 2007-5-11 3735 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Central part of ranch near western section of loop road. 615 Comment
  CAS-BOT-BC233615  Navarretia pubescens B. Crampton 1953-4-27 1139 Yolo County road 87, 2 miles NW of Winters Comment
  UCD16089  Nemesia caerulea Glen Holstein 1999-12-22 s.n. Yolo California. Yolo County: Davis, private garden. Comment
  UCD63073  Nemophila heterophylla Ellen Dean 2008-4-9 4782 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
  UCD120077  Nemophila menziesii A. A. Beetle 1945-2-15 4181 Yolo Putah Creek Canyon, west of Winters. Comment
  UCD56723  Nemophila menziesii Ellen Dean; M. Bibbo 2007-3-23 3415 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SW portion of ranch. 703 Comment
  UCD13102  Nemophila menziesii D. Levine 1974-4-30 86 Yolo Yolo County, Union School Garden corner of Rd. 29 and Rd. 88. Elevation 65'. 19 Comment
  UCD105391  Neostapfia colusana Robert Holland 1993-6-10 s.n. Yolo Air Force Antenna Farm. Comment
  SEINET4080396  Neostapfia colusana L. M. Boykin, P. M. Hall 2001-1 Yolo Comment
  UCD39924  Nepeta cataria Beecher Crampton 1995-8-9 s.n. Yolo City of Davis. Comment
  POM181662  Nicotiana glauca L. F. Robbins 1927-6-5 s.n. Yolo Near Winters. Comment
  UCD126647  Nicotiana glauca A. S. Crafts 1926-7-8 456 Yolo University Farm Campus, Davis. Comment
  UCD14615  Nicotiana glauca Nathan Horn 1989-6-1 22 Yolo along Old Davis Road, ca. 1/2 mile east of University of California, Davis. 15 Comment
  UCD33618  Nicotiana glauca Beecher Crampton 1971-1-21 8657 Yolo UC Davis campus, S.E. of the University airport along the north bank of Putah Creek. Comment
  UCD81437  Nicotiana glauca M. Wiesendanger 1927-5-4 s.n. Yolo Putah Canyon. Comment
  UC444933  Nicotiana quadrivalvis Tracy J. Storer 1912-6-27 Yolo Rumsey Comment
  UCD126714  Nicotiana quadrivalvis J. M. Tucker; C. H. Lamoureux 1958-6-8 3400 Yolo Putah Creek, 3.2 miles east of Recreation Beach. Comment
  CDA18025  Oenothera elata subsp. hirsutissima J. Young 1999-7-12 PDR 1197015 Yolo West Sacramento. 0 Comment
  CDA19185  Onopordum acanthium J. Young 2001-5-24 PDR 050651 Yolo Sacramento Valley; near junction of County Rd 8 and Interstate Hwy 5, S-bound, Dunnigan 0 Comment
  UCD39744  Origanum dictamnus Beecher Crampton 1976-7-5 s.n. Yolo Davis. Comment
  UCD141774  Orobanche californica Ellen Dean; M. Taylor, K. McMillan 2013-6-13 7794 A Yolo City of Davis. South Fork Preserve, along Mace Blvd. (County Road 104) south of the City of Davis boundary. North bank of Putah Creek in Plot 4E of the Putah Creek vegetation survery. 9 Comment
  UC625446  Orobanche fasciculata Frank W. Gould 1938-4-23 283 Yolo At head of Capay Valley on road from Rumsey to Arbuckle near the county line. Comment
  UCD36102  Oryza sativa Beecher Crampton 1952-10-27 886 Yolo Yolo County, 3 miles north of city of Davis, along Road 101A. Comment
  SEINET242456  Oryzopsis holciformis Beecher Crampton 1961-4-10 T.O. 2324 a Yolo UC Davis agronomy experimental area, plant introduction nursery, row D-167 Comment
  UCR198014  Oryzopsis miliacea Beecher Crampton 1956-7-12 3703 Yolo Sacramento Valley, Davis, banks of Putah Creek 16 Comment
  SEINET242448  Oryzopsis miliacea subsp. thomasii Beecher Crampton 1962-6-14 T.O. 2223 a Yolo UC Davis agronomy experimental area, plant introduction nursery, row D-132 Comment
  UCD110756  Oxalis corniculata Beecher Crampton 1982-4-21 s.n. Yolo UC Davis campus. Comment
  UCD111010  Oxalis pes-caprae Beecher Crampton 1958-2-11 4659 Yolo Woodland, West and Court Streets. Comment
  UCD111016  Oxalis pes-caprae K. Esau 1932-2-27 s.n. Yolo Davis. Comment
  CAS-BOT-BC227240  Panicum capillare Beecher Crampton 1953-10-15 1694 Yolo Capay, along Cache Creek Comment
  SEINET8465066 Image available Panicum capillare Beecher Crampton 1953-10-15 1694 Yolo Capay, along Cache Creek Comment
  UCD149376  Panicum capillare Yolo County 4H Club 1932-10-1 s.n. Yolo City of Dunnigan. 184 Comment
  UCR119097  Panicum capillare Beecher Crampton 1954-9-9 2265 Yolo Sacramento Valley, 5 miles west of Davis. 15 Comment
  UCD32856  Panicum capillare subsp. hillmanii Beecher Crampton 1964-9-22 7202 Yolo Yolo County, 3.5 miles west of Davis, Russell Blvd.. Comment
  UCD33381  Panicum capillare subsp. hillmanii Beecher Crampton 1967-7-25 8134 Yolo Yolo County, 2 miles west of Davis on Russell Blvd. at jct. with county road 98 (cactus corners). Comment
Read comments
Jun 24 2008
  UCD38015  Panicum capillare subsp. hillmanii Beecher Crampton 1962-9-11 6666 Yolo Yolo County, 2 miles west of city of Winters. Comment
  UCD89803  Panicum capillare subsp. hillmanii Beecher Crampton 1977-10-25 9544 Yolo UC Davis campus, Agricultural Services yard. Comment
  UCD89581  Panicum dichotomiflorum subsp. dichotomiflorum Beecher Crampton 1962-8-27 6646 Yolo 4.6 miles SE of Knight's Landing, along Sacramento River. Comment
  CAS-BOT-BC253863  Panicum miliaceum B. Crampton 1955-10-12 s.n. Yolo 0.5 mile N of Davis Comment
  UCD89745  Panicum miliaceum subsp. miliaceum Beecher Crampton 1967-9-25 s.n. Yolo Davis. Comment
  UCR198117  Parapholis incurva Beecher Crampton 1978-6-26 9609 Yolo Sacramento Valley, 4 miles southeast of Woodland 15 Comment
  SEINET4691099  Parapholis incurva B. Crampton 1989-5-12 10159 Yolo Davis, 1203 Eureka Ave. Comment
  SACT001662  Paspalum dilatatum John Willoughby 1976-7-29 Yolo IN moist ground along Putah Creek riparian woodland. Comment
  CDA28399  Paspalum distichum G. F. Hrusa 2007-6-27 17048 Yolo Sacramento Delta; Colony on shoreline in sandy intertidal area at Yolo Co. Boat Launch, W side Sacramento R. +/- 1 mile N of Hood (Sacramento Co.). 7 Comment
  RSA758078  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 Valley 37 Comment
  UCD36093  Paspalum distichum Beecher Crampton 1952-10-12 861 Yolo Yolo County, city of Davis, along Putah Creek. Comment
  UCD37762  Paspalum distichum Beecher Crampton 1961-10-25 6045 Yolo 4 miles NW of Bryte, Yolo Bypass, S of Todhunter's Lake. Comment
  UCD88899  Paspalum distichum A. A. Beetle 1945-9-28 4034 Yolo Putah Creek at Davis. Comment
  UCD88939  Paspalum distichum Carl Schoner 1976-8-12 s.n. Yolo Woodland Flier's Club. Comment
  UCD160612  Passiflora Jean Shepard 2015-5-11 897 Yolo City of Davis. East Davis, on south side of Covell Blvd. .1 mi west of Harper Junior High School, in strip between sidewalk and highway. 9 Comment
  UCD168438  Pedicularis densiflora Ellen Dean 2017-3-15 9260 Yolo Audubon Bobcat Ranch, lands north of Hwy 128, just east of Monticello Dam. Bray Canyon and vicinity on the western side of ranch. Ranch burned once each year in 2014, 2015, 2016. 2017 has been a high rainfall year. Lower reaches of Bray Canyon, on west side of creek on wet north-facing slope on rock face in oak woodland. 76 Comment
  UCD137592  Pellaea andromedifolia Jack Maze 1963-4-27 19 Yolo State Highway 128, 3/4 mile east of Recreation Beach. Comment
  UCD162953  Pellaea andromedifolia Craig Thomsen 2006-6-8 2630 Yolo Camp Haswell. West side of Cache Creek. 144 Comment
  UCD56739  Pellaea andromedifolia Ellen Dean; M. Bibbo 2007-3-23 3431 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
  UCD36148  Pellaea andromedifolia Beecher Crampton 1953-2-14 983 Yolo Yolo County, 6 miles west of Winters, near small creek emptying into Putah Creek. Comment
  SEINET242380 Image available Pennisetum Beecher Crampton T.O. 4192 Yolo UC Davis agronomy experimental area, plant introduction nursery Comment
  UCD89451  Pennisetum glaucum Beecher Crampton 1967-9-25 s.n. Yolo Davis. Comment
  UCD124070  Penstemon centranthifolius Beecher Crampton 1965-4-27 7291 Yolo 3 miles northwest of Dunnigan County Road 86. Comment
  CDA31439  Penstemon centranthifolius Robin Breckenridge 2009-8-15 PDR# 1313584 Yolo Guinda: at Thompkin s Ranch, in rangeland. 0 Comment
  UCD124240  Penstemon heterophyllus var. purdyi L. P. Thibault 1995-5-19 37 Yolo northside of Highway 128 north of Lake Solano, approximately 2-3 miles east of Monticello Dam. 125 Comment
  UCD137778  Pentagramma triangularis J. D. Clark 1995-5-27 3 Yolo Along Mix Canyon Rd., approx. 1/2 mile from intersection with Pleasant Valley Rd. in Winters, CA. 45 Comment
  UCD20890  Perideridia kelloggii N. Nicola 2001-5-30 118 Yolo Eastern foothills of inner north coast range, Capay Valley, on roadside of Hwy. 16, about 1.5 mi. NW of Rumsey. Comment
  UCD41152  Perovskia atriplicifolia N. Nicola 2002-7-23 242 Yolo Eastern foothills of inner north coast range, Capay Valley. North of Guinda, Rd 43 off Hwy 16; Fullbelly Farm. Comment
  CAS-BOT-BC413678  Persicaria amphibia Clarence R. Quick 1971-8-26 71 -58 Yolo Pylman-Quick garden, Merritt Island, near Clarksburg Comment
  UCD99454  Persicaria lapathifolia A. S. Crafts 1926-7-8 465 Yolo University Farm Campus, Davis. Comment
  UCD99492  Persicaria lapathifolia P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co. Clarksburg, Sacramento River. Comment
  UCD99578  Persicaria maculosa Daryl Koutnik; John Sowell 1978-10-27 580 Yolo One mile south of Putah Creek, east of County Road 106 and west of Yolo Causeway. 6 Comment
  UCD141651  Persicaria punctata Ellen Dean; M. Taylor 2013-6-12 7786 Yolo Along Putah Creek by Los Rios Farms, between Mace Blvd. (County Road 104) and the Yolo bypass wildlife area. Los Rios Farms is on the border of DFG lands northeast of the junction of County road 106 and County road 35. Plot LRF 2D of Putah Creek vegetation survey. 6 Comment
  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
  JEPS22658  Petrorhagia dubia Rimo Bacigalupi with Drs. Herbert and Lucille Mason 1958-4-22 6277 Yolo about 2.5 mi nw Rumsey (along roadside of California Highway 16 in canyon of Cache Creek, just e of mouth of Pocket Gulch); in canyon of Cache Creek, e of mouth Pocket Gulch 160 Comment
  RSA638773  Petrorhagia dubia Michael A. Vincent, Ethan H. Freid 1998-4-7 8156 Yolo Above State Rt. 128, 4 miles west of Winters. Comment
  UCD149396  Phacelia ciliata Collector Unknown 1949-1 s.n. Yolo Yolo County. Capay Valley. Hungry Hollow 53 Comment
  CDA40339  Phacelia ciliata G. D. Barbe 1980-4-16 2571 Yolo Southwest corner County Roads 14 & 88, north of Esparto. 0 Comment
  POM181665  Phacelia egena L. Williams 1927-3-22 s.n. Yolo Canyon of Putah Creek. Comment
  UCD120582  Phacelia imbricata A. A. Beetle 1945-3-8 4205 Yolo Putah Creek Canyon, west of Winters. Comment
  UCD15649  Phacelia imbricata Rachelle Raymond 1989-6-2 701 Yolo Outside Stebbins Reserve. 121 Comment
  UCD160557  Phacelia imbricata Ellen Dean; Craig Thomsen 2015-3-21 8607 Yolo Audubon Bobcat Ranch. Western part of ranch, just north of Hwy 128 and N of Putah Creek. Area E of Bray Canyon at northwest end of large escarpment labeled 'spring' on topo maps. Burned in 2014. 260 Comment
  UCD20605  Phacelia imbricata E. Dean; with M. Bibbo 2002-7-5 1119 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 3.4 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 670 Comment
  UCD120583  Phacelia imbricata Beecher Crampton 1982-3-22 9820 Yolo Yolo County, 4 miles west of Winters on Hwy. 128. Comment
  UCD120712  Phacelia tanacetifolia Collector unknown 1925-5-9 1790 Yolo Davis. Comment
  UCD33194  Phacelia tanacetifolia Beecher Crampton 1967-5-8 7879 Yolo UC Davis agronomy field. Comment
  SEINET4691118  Phalaris aquatica B. Crampton 1962-1 s.n. Yolo Davis 18 Comment
  UCD88349  Phalaris brachystachys R. Tofsrud 1951-5-1 s.n. Yolo Conway Ranch. Woodland Farms Inc. Comment
  HSC8525  Phalaris canariensis J. V. Lenz 1947-5-20 Yolo Davis Comment
  UCD88775  Phalaris canariensis A. A. Beetle 1945-2-15 4175 Yolo Putah Creek Canyon, W of Winters. Comment
  UCD88783  Phalaris canariensis R. Koch 1996-6-1 9 Yolo Davis. Along bike path in West Davis. 15 Comment
  SEINET11696017  Phalaris coerulescens Unknown 1963-6-4 s.n. Yolo UC Davis Campus, Agronomy Experimental Areas, Forage Crops Nursery Comment
  CAS-BOT-BC242651  Phalaris lemmonii Beecher Crampton 1953-3-31 1048 Yolo Madison Comment
  HSC10564  Phalaris lemmonii Beecher Crampton 1958-5-19 4826 Yolo Along railroad, Dunnigan Comment
  POM197359  Phalaris lemmonii Le Roy Abrams 1928-5-8 12603 Yolo Between Woodland and Davis. Comment
  RSA10437  Phalaris lemmonii C. B. Wolf 1928-5-8 2131 Yolo Sacramento Valley; 4 miles N of Zamora. Comment
  UCD147298  Phalaris lemmonii Carol W. Witham 2003-4-9 912 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD23212  Phalaris lemmonii A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCD36178  Phalaris lemmonii Beecher Crampton 1953-3-31 1048 Yolo Madison. Comment
  UCD88880  Phalaris lemmonii A. A. Beetle 1946-4-15 4371 Yolo Woodland airport. Comment
  UCD89020  Phalaris lemmonii M. Wiesendanger 1927-4-29 596 Yolo Davis. Comment
  CAS-BOT-BC250676  Phalaris minor John Thomas Howell; Gordon H. True 1967-6-11 42554 Yolo North of Woodland near Cache Creek Comment
  CAS-BOT-BC265943  Phalaris minor W. D. Hamilton 1946-4-19 s.n. Yolo 5 miles No. of Davis Comment
  HSC10572  Phalaris minor Beecher Crampton 1958-5-19 4828 Yolo NW part of Davis. Comment
  RSA263847  Phalaris minor J. T. Howell, Gordon H. True 1974-3-3 50330 Yolo About 7 mi north of Madison Comment
  SBBG50428  Phalaris minor J. T. Howell, G. H. True 1974-3-3 50330 Yolo ca. 7 mi N of Madison 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
  UCD144206  Phalaris minor Dean Kelch 2007-5-18 07. 322 Yolo Yolo Causeway, 0.4 mile east of Levee Road. Railroad crossing. 4 Comment
  UCD20607  Phalaris minor E. Dean; with M. Bibbo 2002-7-5 1153 Yolo McLaughlin UC Reserve. Clover Valley, W of main road that goes N-S through the valley, alongside of dried drainage, S of stock pond. 457 Comment
  UCD21296  Phalaris minor J. Shepard 2000-5-8 236 a Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road almost to east boundary of park, and south along fenceline (ca. 200 yards). In an adjacent field. 12 Comment
  UCD89051  Phalaris minor A. A. Beetle 1946-5-1 4711 Yolo Davis campus. Comment
  UCD89054  Phalaris minor A. A. Beetle 1946-5-1 4712 Yolo Davis campus. Comment
  UCD89165  Phalaris minor Beecher Crampton 1957-4-25 3954 Yolo Perkins Gravel Co. Yard, Bryte. Comment
  UCD89169  Phalaris minor Beecher Crampton 1968-6-13 8292 Yolo UC Davis Arboretum. Along Putah Creek. Comment
  CDA32613  Phalaris minor G. M. Cole 1928-6-19 Yolo West of Causeway near Davis. 0 Comment
  HSC10576  Phalaris paradoxa Beecher Crampton 1958-5-19 4827 Yolo NW part of Davis. Comment
  UCD41032  Phalaris paradoxa Carol W. Witham 2003-4-26 964 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD81598  Phalaris paradoxa Collector Unknown 1925-5-5 s.n. Yolo Causeway. Comment
  UCD89420  Phalaris paradoxa Joy Woo 1989-5-21 24 Yolo Davis. Gazelle Place. 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
  UCR115042  Phoradendron macrophyllum G. Fred Hrusa 1994-1-2 11590 Yolo Sacramento Valley, Along Putah Creek in UC Putah Creek Reserve c. 1 mi west of University Airport 75 Comment
  UCD102183  Phoradendron serotinum subsp. macrophyllum Richard W. Cleveland 1951-4-29 39 Yolo 4.8 miles west of Winters, in Putah Canyon. Comment
  UCD22538  Phoradendron serotinum subsp. macrophyllum Collector unknown 2002-12-22 s.n. Yolo Russell Boulevard. Comment
  UCD38980  Phoradendron serotinum subsp. macrophyllum Beecher Crampton 1960-12-7 5812 Yolo UC Davis campus. Comment
  UCD67993  Phoradendron serotinum subsp. macrophyllum M. Thibodeau 1995-5-21 2 Yolo Road 95A, North side of Putah Creek, next to bridge crossing the creek. In a riparian plant association. Growing in large mass, host plant was a California Black Walnut tree. 17 Comment
  UCD69400  Phoradendron serotinum subsp. macrophyllum J. Shepard 1997-10-24 s.n. Yolo City of Davis. University of California, Davis campus. Parasitic epiphyte, blown down in courtyard of Robbins Hall (by dumpster) from Populus tree. Comment
  UCD22764  Photinia fraseri Collector unknown 1988-2-8 s.n. Yolo Environmental Horticulture building. Comment
  UCD149331  Phyla nodiflora Collector Unknown 1925-6-19 s.n. Yolo University of California, Davis. University Farm. 15 Comment
  UCD160089  Phyla nodiflora Mayra Huerta 2015-4-12 2 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. 160 Comment
  UCD38924  Phyla nodiflora Beecher Crampton 1961-10-25 6046 Yolo 4 miles NW of Bryte, Yolo Bypass. Comment
  RSA181984  Phyla nodiflora W. L. Jepson 1940-5-17 19930 Yolo W end of Yolo Causeway, 7 mi E of Davis. (Nr. Plumtree, rr. flag sta.) Comment
  CDA40716  Phyla nodiflora var. nodiflora F. E. Carl 1980-5-12 s.n. Yolo Morris and Courtland Roads, Clarksburg. 0 Comment
  UCD81568  Phyla nodiflora var. reptans W. W. Robbins; W. D. Norton 1928-8-1 1422 Yolo near Clarksburg. Comment
  UCD126739  Physalis acutifolia J. M. Tucker 1962-8-1 3639 Yolo 1101 Ovejas Avenue, Davis. Comment
  SEINET12323492  Physalis ixocarpa Unknown 1966-1 s.n. Yolo Fred Tadlock property just W of deep water channel & ca 0.5 mi N of Southern Pacific RR tracks Comment
  UCD126003  Physalis lancifolia Beecher Crampton 1953-8-17 1622 Yolo city of Davis, Davis High School. Comment
  UCD126005  Physalis peruviana Beecher Crampton 1963-9-1 s.n. Yolo UC-Davis Campus; outside Department of Plant Pathology greenhouses. Comment
  CDA16259  Phytolacca americana G. F. Hrusa 1997-10-13 14118 Yolo Sacramento Valley; Sacramento R. immediately S of I-5 ~ 5 mi E of Woodland (near tule canal). 0 Comment
  SEINET8060373 Image available Pinus sabiniana J. M. Tucker 1951-3-27 2064 Yolo near west end of arboretum, University of California, Davis, Yolo County, California. 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
  UCD35416  Piptatherum miliaceum Beecher Crampton 1956-7-12 3703 Yolo Davis, banks of Putah Creek. Comment
  UCD81607  Piptatherum miliaceum Collector Unknown 1950-6-1 s.n. Yolo Capay Valley Plots. Comment
  UCD89659  Piptatherum miliaceum A. A. Beetle 1942-10-1 1893 Yolo Near Davis. Comment
  SEINET12766602  Pistacia chinensis Jean Shepard 1996-11-14 s.n. Yolo City of Davis, along 5th street near intersection with 'L' Street.; 0 Comment
  UC219346  Plagiobothrys bracteatus H. M. Hall 1921-4-12 11240 Yolo Davis Comment
  UCD149351  Plagiobothrys canescens R. Gay 1954-4-14 s.n. Yolo City of Madison, V. Mast Ranch. 44 Comment
  UCD21254  Plagiobothrys canescens J. Shepard 2000-4-13 137 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. Near entrance road, east of parking lots on the south side. 12 Comment
  UCD82150  Plagiobothrys canescens Jean Shepard 2000-3-24 95 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, on south side of road. 12 Comment
  UCR119101  Plagiobothrys canescens Beecher Crampton 1955-4-14 2479 Yolo Sacramento Valley, 7 miles west of city of Davis, Moon Ranch 30 Comment
  RSA611021  Plagiobothrys canescens L. S. Rose 1936-4-27 36167 Yolo Guinda. 117 Comment
  UCD38432  Plagiobothrys canescens Beecher Crampton 1955-4-18 2504 Yolo Yolo County; 2 miles west of Winters. Comment
  UCD168414  Plagiobothrys canescens var. canescens Ellen Dean; M. Hoshovsky 2017-4-18 9330 Yolo Audubon Bobcat Ranch. Lands to the north of Hwy 128. Eastern part of ranch northwest of ranch headquarters; ridge northeast of Rattlesnake Rock. Area has burned three times in the past three years. 286 Comment
  UC1278097  Plagiobothrys fulvus Beecher Crampton 1955-4-11 2473 Yolo ca 7 mi w Davis; Moon Ranch Comment
  UCD160934  Plagiobothrys fulvus var. campestris J. Shepard 2012-4-7 861 Yolo West of Woodland, Co Rd 16 to Guinda. W on Forest Ave (Co Rd 53) about 1 mi to gate.Continue 1/4 - 1/2 mi past gate. Comment
  UCR118892  Plagiobothrys fulvus var. campestris Beecher Crampton 1953-4-9 1062 B Yolo Sacramento Valley, 3 miles west of Winters 46 Comment
  POM197465  Plagiobothrys leptocladus L. R. Abrams 1928-5-8 12600 Yolo Between Woodland and Davis. Comment
  RSA589925  Plagiobothrys nothofulvus Michael A. Vincent, Robert M. Rhode 1996-3-30 7255 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16, ca. 2 miles S of Colusa Co. Line. Comment
  UCD56768  Plagiobothrys nothofulvus Ellen Dean; M. Bibbo 2007-3-23 3460 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Western/Central portion of ranch near unimproved access loop road. 619 Comment
  UCD63075  Plagiobothrys nothofulvus Ellen Dean 2008-4-9 4784 Yolo Tuleyome Ireland Ranch. Central part of Ranch. Upper reaches of main canyon that starts near upper part of main loop road. In drainage that leads to canyon downslope of stock pond. 602 Comment
  UC480674  Plagiobothrys stipitatus W. Williams 1927-3-22 Yolo Putah Creek Comment
  UCD120977  Plagiobothrys stipitatus DQU Science Class 1989-4-25 DQ 1 Yolo Yolo Couinty: D-Q University. County Road 31; 9 miles west of Davis city center. 30 Comment
  UCD120991  Plagiobothrys stipitatus Fleur Ng'weno 1989-4-27 DQ 12 Yolo D-Q University County Road 31, 9 mi. west of Davis city center. 29 Comment
  UCD21351  Plagiobothrys stipitatus J. Shepard 2001-2-16 364 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 and near vernal pools straddling Department of Defense fence. 12 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
  UCR70804  Plagiobothrys stipitatus C. B. Wolf 1937-3-28 08321 Yolo Sacramento Valley, 6.5 mi south of Woodland. 18 Comment
  POM368991  Plagiobothrys stipitatus C. B. Wolf 1937-3-28 8321 Yolo Sacramento Valley, 6.5 miles south of Woodland. 18 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
  UCD121020  Plagiobothrys stipitatus var. micranthus M. Wiesendanger 1927-4-29 624 Yolo Esparto. Comment
  UCD21043  Plagiobothrys stipitatus var. micranthus Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-4-5 229 Yolo S of the city of Davis. Along Road 38, approximately 0.25 miles S of its intersection with Road 105. Glide/Tule Ranch site, pool # GLI002. 2 Comment
  UCD84323  Plagiobothrys stipitatus var. micranthus Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  SEINET5732080 Image available Plagiobothrys stipitatus var. micranthus Gerald Pullman 1974-1 52 Yolo Sacramento Causeway, 7 miles east of Davis.; Davis 30 Comment
  UCD21278  Plagiobothrys stipitatus var. stipitatus J. Shepard 2000-5-1 170 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
  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
  UCD21419  Plantago coronopus J. Shepard 2002-4-21 510 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 Sacramento Valley Soaring Society field, to the north. 12 Comment
  UCR137664  Plantago coronopus Arthur M. Shapiro 1995-9-3 s.n. Yolo W Sacramento, in mud along slough north of W Capitol Avenue Comment
  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
  UC124286  Plantago elongata J. W. Blankinship 1893-4-3 Yolo Woodland Comment
  UC917130  Plantago elongata W. Russell and J. M. Tucker 1950-3-17 1921 Yolo about 3 mi nw Davis (beside Highway 99W) Comment
  RSA10429  Plantago elongata subsp. pentasperma Carl B. Wolf 1928-5-8 2139 Yolo Sacramento Valley; 12 miles north of Dixon. Comment
  JEPS20850  Plantago erecta B. Crampton 1953-3-30 1045 Yolo about 9 mi w Dunnigan (Durst Ranch) Comment
  UCD62864  Plantago erecta Tavis Forrester; Plant Biology 102 students 2008-4-6 3 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. 109 Comment
  UCR257082  Plantago lanceolata George K. Helmkamp, Mary Alice Barnes 2013-5-8 20512 Yolo Southern Sacramento Valley, Yolo Bypass Wildlife Area, 0.9 mile southeast of the junction of Chiles Road and I-80, between Sacramento and Davis 13 Comment
  UCD15548  Plantago lanceolata Lara Hawthorne 1989-4-15 6 Yolo UC Davis Campus. 15 Comment
  UCD124364  Plantago major Beecher Crampton 1961-10-25 6055 Yolo Yolo County, 2 miles west of Bryte, along County Road 127, confluence of Sacramento Bypass and Yolo Bypass. Comment
  UCD141696  Platanus X hispanica Ellen Dean; M. Taylor 2013-6-21 7808 Yolo North side of Putah Creek east of City of Winters. South of Russell Blvd. on east side HWY 505. Yolo County Housing Authority area. In or near Plot YHA 2A of Putah Creek vegetation survey. 6 Comment
  UCD19301  Platanus X hispanica Terry Reedy 1974-5-18 242 Yolo city of Davis, ca. 1 mi. north of Covell Blvd., along first large irrigation ditch crossing Pole Line Rd, east of Pole Line Rd. 6 Comment
  SEINET8057874 Image available Platycladus orientalis June McCaskill 1963-1 670 Yolo Animal Science building, University of California campus, Davis Comment
  UCD137578  Plectritis ciliosa Gary W. Sanderson 1960-4-21 315 Yolo Cache Creek Basin, State Highway 16, ca. 5 miles northwest of Rumsey. Comment
  UCD160563  Plectritis congesta subsp. brachystemon Ellen Dean; Craig Thomsen 2015-3-21 8612 Yolo Audubon Bobcat Ranch. Western part of ranch, just north of Hwy 128 and N of Putah Creek. Area E of Bray Canyon at southeast end of large escarpment labeled 'spring' on topo maps. Burned in 2014. 259 Comment
  JEPS6915  Plectritis macrocera S. C. Dyal, A. Carter, E. Crum 1938-5-6 694 Yolo in northern Yolo County northern Yolo County Comment
  UC999828  Plectritis macrocera S. C. Dyal, A. Carter, E. Crum 1938-5-6 694 Yolo in northern Yolo County northern Yolo County Comment
  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
  UCD33055  Pleuropogon californicus Beecher Crampton 1966-4-19 7652 Yolo Yolo County, 1/4 mile south of Saxon station site. Comment
  UCD90152  Pleuropogon californicus var. californicus Beecher Crampton 1973-4-16 8918 Yolo Saxon S.W. 1 Comment
  UCD168426  Poa bulbosa Ellen Dean 2017-3-15 9250 Yolo Audubon Bobcat Ranch, lands north of Hwy 128, just east of Monticello Dam. Bray Canyon and vicinity on the western side of ranch. Ranch burned once each year in 2014, 2015, 2016. 2017 has been a high rainfall year. Near entrance to Bray Canyon by Hwy 128 entrance to ranch. 45 Comment
  UCD37513  Poa bulbosa Beecher Crampton 1961-4-3 5848 Yolo Yolo County, city of Davis, Southern Pacific Railroad Station. Comment
  UCD36174  Poa pratensis Beecher Crampton 1953-3-29 1038 Yolo Yolo County, city of Davis. Comment
  UCD91853  Poa pratensis E. G. Cakin 1947-3-27 s.n. Yolo Davis. Comment
  UCD91930  Poa pratensis B. A. Madeon 1925-4-20 s.n. Yolo Davis. Comment
  UC1153861  Poa pratensis subsp. pratensis Beecher Crampton 1956-5-17 Yolo Davis Campus Comment
  UCD58090  Poa secunda Ellen Dean; K. Mawdsley 2007-4-6 3629 Yolo Tuleyome Ireland Ranch. In inner coast range, NW of the City of Winters, between Salt Creek and Enos Creek, just N of Wild Cow Mountain. Southern/central part of ranch. 537 Comment
  UCD33168  Poa secunda subsp. secunda Beecher Crampton 1967-5-3 7849 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
  UCD91710  Poa secunda subsp. secunda Jack Maze 1963-3-8 11 Yolo 3/4 mile E of Recreation Beach, State Highway 128. Comment
  UCD92109  Poa secunda subsp. secunda M. Wiesendanger 1927-4-29 616 Yolo Esparto. Comment
  UCD41036  Poa trivialis Carol W. Witham 2003-4-26 968 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD22768  Podocarpus gracilior Collector unknown 1988-1-4 s.n. Yolo Environmental Horticulture building. Comment
  UCD73134  Pogogyne douglasii Ayzik Solomeshch 2003-5-30 s. n. Yolo Department of Fish and Game Glide Tule Ranch, about 8 mi. southeast of Davis. 6 Comment
  RSA654046  Pogogyne douglasii Beecher Crampton 1975-5-23 9202 Yolo 1 mile SW of Saxon Station Comment
  RSA654047  Pogogyne douglasii subsp. parviflora Beecher Crampton 1975-5-23 9203 Yolo 1 mile SW of Saxon Station Comment
  UCD33965  Pogogyne douglasii subsp. parviflora Beecher Crampton 1975-5-23 9203 Yolo 1 mile S.W. of Saxon Station. 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
  UCR119100  Polycarpon tetraphyllum Beecher Crampton 1979-5-17 9684 Yolo Sacramento Valley, Davis. 15 Comment
  CAS-BOT-BC414158  Polygonum aviculare subsp. aviculare P. M. Goodwin 1932-5-5 s.n. Yolo Davis Comment
  CAS-BOT-BC414294  Polygonum aviculare subsp. depressum Clarence R. Quick 1970-5-31 70 -17 Yolo Merritt Island near Clarksburg Comment
  RSA97518  Polygonum patulum Beecher Crampton 1952-10-27 881 Yolo Yolo County: Depression along the railroad, alkaline soil, 3 miles N of Davis Comment
  UC1562682  Polygonum persicaria Barbara Ertter 1988-10-21 7989 Yolo at Rd 89 crossing just w I-505 (e of gravel pits 1.5 mi n of Madison, ca 10 air mi w of Woodland); Sacramento Valley, Cache Creek 36 Comment
  UCD38281  Polygonum ramosissimum subsp. ramosissimum B. Crampton 1952-10-27 881 Yolo About 3 miles north of Davis. Comment
  UCD47764  Polypodium calirhiza Ryan Knox; E. McDermott and G. Walden 2002-4-13 21 Yolo Yolo Co., Mclaughlin UC Reserve, W side of Davis Creek Reservoir, along road that goes from Soda Springs area to Rayhouse Rd. 0.5 airline mile due N of Soda Springs and 1.0 airline mile WNW of UC Davis Aquatic Lab facility. 488 Comment
  UCD51637  Polypogon interruptus B. A. Madson 1940-5-29 s.n. Yolo Davis. Comment
  SACT002042  Polypogon monspeliensis John Willoughby 1976-7-29 Yolo At the fishing access point, in moist ground along Putah Creek riparian woodland. Comment
  UCD18428  Polypogon monspeliensis Gabor Bethlenfalvay 1973-5-28 15 Yolo city of Davis, UC Davis campus, near UCD Botany Greenhouse. 15 Comment
  UCD37198  Polypogon monspeliensis Beecher Crampton 1958-5-28 4839 Yolo Yolo County, city of Davis. Comment
  UCD73138  Polypogon monspeliensis Ayzik Solomeshch 2003-5-30 s. n. Yolo Department of Fish and Game Glide Tule Ranch, about 8 mi. southeast of Davis. 6 Comment
  UCR212342  Polypogon monspeliensis Ayzik Solomeshch 2003-5-30 s.n. Yolo Dept. of Fish and Game Glide Tule Ranch, about 8 miles SE of Davis 6 Comment
  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
  UCD91486  Polypogon viridis M. Wiesendanger 1927-5-4 1580 Yolo Putah Canyon. Comment
  UCR115043  Populus fremontii G. Fred Hrusa, T. D. Wilfred 1995-4-12 12065 Yolo Sacramento Valley, along Tule Canal immediately north [=west] of Sacramento River at Interstate 5 crossing 75 Comment
Read comments
Oct 9 2010
  UCD34631  Populus fremontii subsp. fremontii Beecher Crampton 1986-9-23 10077 Yolo Yolo County, Putah Creek south of University airport. Comment
  UCD100127  Portulaca pilosa W. W. Robbins; W. D. Norton 1928-8-1 1421 Yolo near Clarksburg. Comment
  UCD138300  Potamogeton gramineus David F. Spencer 1989-7-13 s.n. Yolo University of California campus, U.S.D.A. Aquatic Weed Laboratory. Comment
  UCD138312  Potamogeton gramineus David F. Spencer 1989-7-13 s.n. Yolo University of California campus, U.S.D.A. Aquatic Weed Laboratory. Comment
  UCSC001854  Potamogeton pectinatus J. E. Roadhouse 2007-4-15 1 Yolo Moores Ditch Comment
  UCD113972  Poterium sanguisorba B. Crampton 1959-4-29 s.n. Yolo Agronomy Experimental Areas, Davis Campus. Forage Crops Nursery. Comment
  RSA0005578  Proboscidea louisianica John H. Thomas 1960-8-30 8869 Yolo 5 miles S of Winters along Hwy to Vacaville. Comment
  JEPS21898  Proboscidea louisianica subsp. louisianica Malcolm A. Nobs and S. Galen Smith 1949-7-18 1005 Yolo n Winters; Alkaline Grasslands of the San Joaquin Valley, Sacramento Comment
  UC1192045  Proboscidea louisianica subsp. louisianica Malcolm A. Nobs and S. Galen Smith 1949-7-18 1005 Yolo n Winters; Alkaline Grasslands of the San Joaquin Valley, Sacramento Comment
  RSA0014815  Proboscidea louisianica subsp. louisianica Malcolm A. Nobs, S. Galen Smith 1949-7-18 1005 Yolo Sacramento Valley, north of Winters. Comment
  UCD122132  Proboscidea louisianica subsp. louisianica W. W. Robbins 1932-6-27 s.n. Yolo University Farm, Davis. Comment
  UCD106241  Proboscidea lutea Jean Shepard 2011-8-20 855 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
  UCD122087  Proboscidea lutea Barry Rice 2006-11-22 BR 061102 Yolo Yolo County. Comment
  SEINET5737703 Image available Prosopis pubescens Shirley C. Tucker 1988-1 28889 Yolo Arboretum, University of California, Davis.; Univ. of California, Davis Comment
  SEINET10773928  Prunus Stephanie Frischie 2000-9-30 Frischie 93 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET10771513  Prunus dulcis Stephanie Frischie 2000-10-7 Frischie 127 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET10771534  Prunus persica Stephanie Frischie 2000-9-27 Frischie 89 Yolo Davis Farmers' Market, Davis, CA. 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
  CAS-BOT-BC357195  Pseudognaphalium luteoalbum Clarence R. Quick 1970-7-3 70 -23 Yolo In yard of Nettie M. Pylman, Merritt Island near Clarksburg Comment
  JEPS84601  Pseudognaphalium luteoalbum John W. Willoughby 1979-8-13 4429 Yolo 1.2 mi nw of the junction with County Road 86, along fishing access Highway 128; Vaca Mountains, Putah Creek 60 Comment
  UCD81023  Pseudognaphalium luteoalbum Ellen Dean; Gordon Harrington 2009-4-1 5366 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. 9 Comment
  RSA10435  Psilocarphus brevissimus C. B. Wolf 1928-5-8 2133 Yolo Sacramento Valley; 4 miles N of Zamora. Comment
  UCD135264  Psilocarphus brevissimus H. A. Borthwick 1925-5-21 1651 Yolo Causeway. Comment
  UCD21426  Psilocarphus brevissimus J. Shepard 2002-4-18 522 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east 0.5 miles along unpaved entrance road to Department of Defense fence. South to second large vernal pool. 12 Comment
  CDA8504  Psilocarphus brevissimus var. multiflorus G. D. Barbe 1984-4-25 4155 Yolo Western edge of Yolo By-pass at Glide Ranch, east of Road 106 and 1.4 miles south of Road 36. Comment
  UC1278028  Psilocarphus oregonus B. Crampton 1952-11-7 912 Yolo 3 mi nw Davis Comment
  UCD21274  Psilocarphus oregonus J. Shepard 2000-5-1 166 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road to eastern boundary of park. South approximately 200 yards to a low area and vernal pools. A wide strip has been disked through this area. Water still in 2 pools which extend across fence into undisked area. 12 Comment
  UCD73197  Psilocarphus oregonus Ayzik Solomeshch 2003-6-1 s. n. Yolo Department of Fish and Game Glide Tule Ranch, about 8 mi. southeast of Davis. 6 Comment
  UCD73617  Psilocarphus oregonus Ellen Dean; Elizabeth Goebel 2008-4-7 4744 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat, west of Dry Creek road crossing. 83 Comment
  UCR212348  Psilocarphus oregonus Ayzik Solomeshch 2003-6-1 s.n. Yolo Dept. of Fish and Game, Glide Tule Ranch, about 8 miles SE of Davis 66 Comment
  CDA8507  Psilocarphus oregonus University Farm 1925-5-21 1652 Yolo Causeway. 0 Comment
  UCD73613  Psilocarphus tenellus Ellen Dean; Elizabeth Goebel 2008-4-7 4741 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat in the northeastern part of the ranch that is accessed by a private road at the end of Moody Slough Road. 70 Comment
  UCD73726  Psilocarphus tenellus var. globiferus Ayzik Solomeshch 2004-5-23 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  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
  SEINET241296 Image available Psilurus aristatus Beecher Crampton 1965-5-6 T.O. 3144 Yolo UC Davis agronomy experimental area, plant introduction nursery, row L-228 Comment
  UCD117079  Ptelea crenulata W. A. Williams 1975-9-18 s.n. Yolo 8 miles NW of Esparto, E slope of Bald Mountain. Comment
  UCD34177  Pterocarya stenoptera Beecher Crampton 1977-8-23 9523 Yolo Yolo County, Davis, Stree tree along 5th street between C and D streets. Comment
  UCD73255  Pterostegia drymarioides Ellen Dean; Susan Xhang, Christa Lindsey, Chris Mosser 2008-4-17 4834 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. 77 Comment
  SEINET5728077 Image available Pterostegia drymarioides James K. McGrath 1963-1 13 Yolo On. State Hwy 128, ca. 18 mi. W of Winters, near Recreation Beach.; Winters Comment
  UCD33967  Puccinellia nuttalliana Beecher Crampton 1975-6-4 9205 Yolo Yolo County, 1 mile north on county road 103 from its junction with county road 27. Comment
  SBBG40536  Puccinellia simplex B. Crampton 1961-3-27 5846 Yolo 1.5 mi N of Davis Comment
  UCD37543  Puccinellia simplex Beecher Crampton 1955-3-28 2345 Yolo Yolo County, 4 miles southeast of Woodland, Woodland Air Park, at junction of County Roads 25 and 102. Comment
  UCD37839  Puccinellia simplex Beecher Crampton 1962-4-23 6233 Yolo Yolo County, 3 miles north of city of Davis, Pole Line Road. Comment
  UCD92215  Puccinellia simplex A. A. Beetle 1946-4-15 4370 Yolo Woodland airport. Comment
  UCD92226  Puccinellia simplex Beecher Crampton 1957-5-14 4018 Yolo 2 miles east of Zamora, junction road 13 with road 95. Comment
  UCD92247  Puccinellia simplex Robert E. Preston 1996-3-23 908 Yolo SE of Woodland, NW of int Rd 25 and Rd 103. 9 Comment
  HSC10883  Puccinellia simplex J. V. Lenz 1947-4-24 Yolo North of Davis Comment
  SEINET10773906  Pyrus Stephanie Frischie 2000-10-7 Frischie 109 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET10773907  Pyrus Stephanie Frischie 2000-10-7 Frischie 106 Yolo Davis Farmers' Market, Davis, CA. Comment
  CAS-BOT-BC36630  Quercus C. R. Quick 1972-9-7 7241 Yolo Merritt Island, about 20 miles SSW of Sacramento, just west of the Sacramento River in the SE corner of Yolo County Comment
  UCD56593  Quercus Russell Gripp 1984-11-21 s.n. Yolo 223 Gibson Road. In backyard of Chauncey and Avis Irvine. Comment
  UCD47031  Quercus X morehus Dr. T. H. Jukes 1938-12-6 s.n. Yolo Beyond Redbud Park, Putah Canyon, right side of Highway. Comment
  UCD20576  Quercus berberidifolia E. Dean; with M. Bibbo 2002-7-5 1117 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 3.5 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 640 Comment
  UCD81770  Quercus berberidifolia Ellen Dean 2009-4-26 5470 Yolo Bobcat Ranch lands to the north of Hwy 128, just east of Monticello Dam. Bray Canyon. West side of Bray Creek. 91 Comment
  UCD45474  Quercus chrysolepis Don K. Sexton 1955-10-16 s.n. Yolo Center strip of U.S. Highway 40, opposite State Nursery Division of Forestry sign, ca. 3 1/2 miles east of Davis, Yolo County, California. Comment
  CAS-BOT-BC86624  Quercus douglasii Alice Eastwood 1927-3-28 14221 Yolo near Winters Comment
  UCD45649  Quercus douglasii D. Q. Cavagnaro 1963-10-18 222 Yolo Beside road across fence from apricot orchard. Elevation 50 feet; 2 miles west of Winters, Yolo County, California. 15 Comment
  UCD45653  Quercus douglasii D. Q. Cavagnaro 1963-10-18 221 Yolo Beside road across fence from apricot orchard. 2 miles west of Winters, Yolo County, California. Elevation 50 feet. 15 Comment
  SEINET4691478  Quercus ilex D. G. Kelch 2010-1 s.n. Yolo E street in redisential property Comment
  RSA754070  Quercus lobata George K. Helmkamp, E. A. Helmkamp 2007-9-17 12972 Yolo 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
  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
  SACT002670  Quercus lobata S. Gossard 1974-5-2 Yolo Waldrof School, American River, Woodland Comment
  UCD46816  Quercus lobata M. Henry 1972-1-28 s.n. Yolo Vally Oak. Mrak Hall, UCD. Comment
  UCD46882  Quercus lobata Beecher Crampton 1977-6-16 9503 Yolo County Road 32, 1 mile west of the Fairfield School. 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
  SEINET6693926 Image available Quercus suber J. M. Tucker 1965-1 3819 Yolo West Quad, Univ. of California Davis. Comment
  SEINET6696108 Image available Quercus suber J. M. Tucker 1965-1 s.n. Yolo Davis campus, Davis. Comment
  UCD73615  Quercus wislizeni Ellen Dean; Elizabeth Goebel 2008-4-7 4742 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat, near Dry Creek road crossing. 76 Comment
  UCD81046  Rafinesquia californica Agnieszka Zalicka; with PLB 102 class 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. West side of creek in the lower reaches of Bray Canyon. 117 Comment
  UCD160157  Ranunculus aquatilis var. diffusus Aaron Goodman 2015-4-12 1 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. 188 Comment
  UC118180  Ranunculus canus J. W. Blankinship 1893-4-15 Yolo Capay Comment
  CDA24314  Ranunculus canus G. M. Cole 1930-4-6 Yolo Between Davis and Winters. 0 Comment
  UCD95802  Ranunculus canus H. T. Hartmann 1942-3-30 s.n. Yolo 5 miles east of Winters. Comment
  UCD56752  Ranunculus hebecarpus Ellen Dean; M. Bibbo 2007-3-23 3444 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. 618 Comment
  UCD62846  Ranunculus hebecarpus Michael J. Bower; Plant Biology 102 students 2008-4-6 4 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. 100 Comment
  UCD96136  Ranunculus hebecarpus Rolf Y. Berg 1964-3-14 8010 Yolo State Highway 16, 2.5 miles northwest of Rumsey. Comment
  UCD73619  Ranunculus muricatus Ellen Dean; Elizabeth Goebel 2008-4-7 4746 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat, west of Dry Creek road crossing. 83 Comment
  UCR235381  Ranunculus muricatus George K. Helmkamp, E. A. Helmkamp 2012-4-17 18769 Yolo Sacramento Valley, along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland 65 Comment
  UCD48148  Ranunculus occidentalis A. Laffin; S. Holck, A. Randall 2002-4-13 14 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 WNW of UC Davis Aquatic Lab facility. Along S side of running stream where road travels east-west for a short distance, ca. 35 yds. From the N side of the road. 488 Comment
  SEINET5338813  Ranunculus occidentalis G. Cook 1959-3-28 2 Yolo Collected 2 miles west of Davis. In a meadow on the right side of Highway 128 14 Comment
  UCD96914  Ranunculus occidentalis A. A. Beetle 1945-3-1 4195 Yolo Buckeye Creek, inner coast range between Winters and Madison. Comment
  SEINET5731462 Image available Raphanus raphanistrum Robert Sowers 1975-1 2 Yolo Tulip Lane.; Davis 14 Comment
  UCD115169  Raphanus sativus J. Buck 1996-5-9 1 Yolo city of Davis, off Russell Boulevard. 15 Comment
  UCD115170  Raphanus sativus Cay Collette 1975-5-10 14 Yolo Knight's Landing. Approximately 100 feet from the Sacramento River. 15 Comment
  UCD115226  Raphanus sativus K. Twitchell 1996-4-21 15 Yolo Davis, Road 96 near Russell Boulevard. 22 Comment
  SEINET11261085  Raphanus sativus Larry Reynolds 1984-5-5 3 Yolo Putah Creek at Pedrick Raod.; 0 Comment
  UCD115171  Raphanus sativus Beecher Crampton 1953-4-27 s.n. Yolo 3 miles west of Winters. Comment
  UCD56761  Rhamnus ilicifolia Ellen Dean; M. Bibbo 2007-3-23 3453 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
  UC80267  Rhamnus tomentella subsp. tomentella C. F. Baker 1903-5-7 3071 Yolo Rumsey Comment
  UCD62910  Rhus aromatica Christa Lindsey; 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. West side of Bray Creek. 103 Comment
  RSA696219  Rhus trilobata Keith E. Hoffmaster 898 Yolo Putahcan 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
  UCD59354  Ribes malvaceum Ellen Dean; Kate Mawdsley 2007-5-11 3778 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
  UCD142320  Ricinus communis K. Esau; D. Hartmann 1941-8-19 s.n. Yolo Knights Landing. Comment
  UCD39741  Ricinus communis Beecher Crampton 1957-10-30 s.n. Yolo Agronomy Experimental Areas, Davis Campus. Comment
  SEINET12521460 Image available Ricinus communis J. M. Tucker 1950-9-9 Yolo E side of Viticulture Building University of California Campus Comment
  UC638701  Rigiopappus leptocladus Ethel Crum 1938-5-7 2001 Yolo four mi n Rumsey; Inner North Coast Range, Cache Creek Canyon 152 Comment
  UCD108404  Robinia pseudoacacia David Barnett 1982-5-2 36 Yolo W. Davis on Road 97 between Roads 31 and 32 near Butler Nursery. Comment
  UCD34582  Robinia pseudoacacia Beecher Crampton 1985-10-10 10027 Yolo Yolo County, Russell blvd. and road 98, S.W. corner. Comment
  SEINET11133087 Image available Robinia pseudoacacia Joyce Fetter 1962-1 Yolo Near intersection of Russell Boulevard and California Avenue. Davis. Comment
  SEINET11133090 Image available Robinia pseudoacacia June McCaskill 1954-4-20 232 Yolo along north side of street running between Botany Building and Temporary Building 4, University of California, Davis Comment
  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
  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
  UCD73736  Rostraria cristata Ayzik Solomeshch 2004-6-16 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  UCD92277  Rostraria cristata Beecher Crampton 1955-5-5 2745 Yolo along Putah Creek, Recreation Beach, 9 miles west of city of Winters, Vaca Mtns. Comment
  UCD92283  Rostraria cristata Beecher Crampton 1965-4-27 7298 Yolo 3 miles N.W. of Dunnigan, County Road 86. Comment
  UCD68015  Rubus armeniacus C. P. Pease 1995-5-25 S.N. Yolo east side of University of California, Davis campus, Experimental College gardens. 16 Comment
  UCD113805  Rubus pensilvanicus K. Lui 1998-4-19 23 Yolo Davis, Orchard Park community plots. 16 Comment
  UCD113995  Rubus ursinus Cay Collette 1975-4-12 3 Yolo Knight's Landing. 15 Comment
  UCD113999  Rubus ursinus Joseph M. DiTomaso 1976-4-9 391 Yolo Next to Putah Creek below Monticello Dam, Lake Berryessa. Comment
  UCD91399  Rubus ursinus Lindsay Clark 2008-6-16 DVS 2 Yolo In overgrown garden south of Orchard Park Apartments, UC Davis campus just east of Route 113. 16 Comment
  UCD141668  Rumex conglomeratus Ellen Dean; M. Taylor, K. MacMillan 2013-6-13 7793 Yolo City of Davis South Fork Preserve, along Mace Blvd. (County Road 104) south of the City of Davis boundary. North bank of Putah Creek in Plot MBN 4E of the Putah Creek vegetation survey. 9 Comment
  CDA30910  Rumex crispus M. Beyers 2010-5-12 449 Yolo Just east of County Road 87, along County Road 19 and an orchard drainage ditch here. 54 Comment
  UCD101136  Rumex crispus A. S. Crafts 1926-7-8 439 Yolo University Farm Campus, Davis. Comment
  UCD101163  Rumex crispus Carol W. Witham 2003-4-7 899 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD81039  Rumex crispus Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5583 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
  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
  SEINET5728116 Image available Rumex crispus Lorraine Perry 1967-1 24 Yolo Putah Creek, near Woodland Freeway.; Davis 15 Comment
  UCD15551  Rumex crispus Lara Hawthorne 1989-5-5 8 Yolo UC Davis, Experimental Gardens. 15 Comment
  UCR198248  Rumex dentatus Dean Kelch 2007-5-18 07 .328 Yolo Yolo Causeway, 0.4 mi east of Levee Road/RR Crossing 4 Comment
  UCD101359  Rumex occidentalis R. N. Raynor 1939-1-9 s.n. Yolo Botany greenhouse, University Farm. Comment
  UCD81016  Rumex pulcher Drew Maraglia 2009-4-15 4 Yolo Mavis Henson Field, owned by city of Woodland. East side of County Road 102, just south of County Road 25. Southern edge of drainage pond. 9 Comment
  UCD81042  Rumex pulcher Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5584 a Yolo city of Woodland. Woodland Regional Park. East side of County Road 102, just south of County Road 25. East side of drainage pond. 9 Comment
  UCD81061  Rumex stenophyllus Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5595 Yolo city of Woodland. Woodland Regional Park. East side of County Road 102, just south of County Road 25. Old rodeo area with bare areas where buildings used to be. 9 Comment
  HSC97379  Saccharum ravennae J. P. Smith 2007-8-1 12405 Yolo Hwy. 16, along Cache Creek, just S of the Colusa County line 181 Comment
  UCD22746  Salix Samantha Corte 1988-6-8 21 Yolo Road 32 after 86, near Putah Creek. 60 Comment
  SBBG115872  Salix babylonica B. Crampton 1986-9-9 s.n. Yolo city of Davis, NE corner of Oak Street and 8th Street Comment
  UCD39827  Salix babylonica Beecher Crampton 1987-4-17 s.n. Yolo City of Davis; Davis High School, SW corner. Comment
  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
  UC1786432  Salix breweri Edward L. Smith 1966-4-8 721 Yolo Putah Canyon near Solano/Yolo county line. 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
  UCD110900  Salix exigua Cay Collette 1975-5-31 20 Yolo Knight's Landing. 10' from Sacramento River. 15 Comment
  UCD110948  Salix exigua M. I. Wibawa 1996-6-2 39 Yolo Along the N side of Putah Creek. 17 Comment
  UC437344  Salix exigua var. hindsiana Tracy I. Storer 1912-6-29 Yolo Rumsey Comment
  CAS-BOT-BC132730  Salix fluviatilis Beecher Crampton 1987-4-25 10096 Yolo Solano County border, Mace road crossing of south fork of Putah Creek, ca. 3 miles S.E. of Davis Comment
  UCD80934  Salix gooddingii Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5337 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. SE corner of drainage pond near old rodeo area. 9 Comment
  CAS-BOT-BC104058  Salix hindsiana Beecher Crampton 1986-9-3 10059 Yolo ca. 3.5 miles N.W. of Davis, Dry Slough and road 99 Comment
  CHSC79360  Salix laevigata Beecher Crampton 1975-6-24 9228 Yolo Putah Creek Canyon, 6.5 miles west of Winters. Comment
  UCD111121  Salix laevigata Charles B. Heiser Jr. 1947-4-4 1894 Yolo Along Putah Creek, campus, Davis. Comment
  UCD111132  Salix laevigata Jack Maze 1963-4-27 20 Yolo Along Putah Creek, State Highway 128, 3/4 mile east of Recreation Beach. Comment
  UCD161080  Salix laevigata Craig Thomsen 2006-6-30 2624 Yolo Rumsey Canyon along Cache Creek. Otis-Camp Haswell Yolo County Park. West side of Cache Creek. 144 Comment
  UCD164522  Salix laevigata Craig D. Thomsen 2006-8-16 2709 Yolo Camp Haswell County Park, Pocket Gulch near entry. 137 Comment
  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
  UCD34628  Salix laevigata Beecher Crampton 1986-9-10 10074 Yolo Yolo County, 1/2 mile north of Capay, north edge of Cache Creek. Comment
  UCD81012  Salix laevigata Jose-Luis Rayas; with PLB 102 students 2009-4-26 4 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Edge of Bray Creek. 83 Comment
  UCD111138  Salix laevigata Don K. Sexton 1956-3-25 206 Yolo Overhanging east side of Aggie Villa Bridge, Putah Creek, County Road one block south of First Street, U.C. Arboretum. 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
  UCD34650  Salix lasiandra var. lasiandra Beecher Crampton 1987-3-31 10094 Yolo Yolo County, Willow Slough and county road 99, 4.5 miles N.W. of Davis. Comment
  UCD34621  Salix lasiolepis Beecher Crampton 1986-9-8 10067 Yolo Yolo County, Sacramento River, 3.5 miles north of Elkhorn, sandy flat. Comment
  UCD94983  Salix lasiolepis Alexis Fuller; Ellen Dean and Clare Loughran 2011-5-8 4 B 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. 136 Comment
  UCR237584  Salix lasiolepis George K. Helmkamp, E. A. Helmkamp 2012-3-9 18609 Yolo Sacramento Valley, East Main Street (Co. Rd. 22), Woodland (parallel to I-5), 1.7 mile west of the Sacramento River 7 Comment
  UCR118795  Salix lucida subsp. lasiandra Beecher Crampton 1986-9-3 10064 Yolo Sacramento Valley, 3.5 miles southeast of Woodland, Willow Slough and road 103. 15 Comment
  UCD111755  Salix melanopsis Collector unknown 1925-6-20 1929 Yolo Putah Canyon. 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
  CAS-BOT-BC403783  Salpichroa origanifolia Beecher Crampton 1977-8-23 9522 Yolo Davis. Vacant lot along G st. between 5 and 6 streets Comment
  CAS-BOT-BC403784  Salpichroa origanifolia Q. L. Holdeman 1970-6-12 s.n. Yolo N.W. corner of 5th & G Streets, Davis Comment
  UCD162388  Salpichroa origanifolia Milton Workman 1953-6-8 77 Yolo Davis 511 G street. 14 Comment
  UCD162405  Salpichroa origanifolia Beecher Crampton 1970-4-29 s.n. Yolo 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
  UCD38302  Salpichroa rhomboidea Beecher Crampton 1953-11-30 1741 Yolo UC Davis. 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
  UCD161133  Salsola tragus Jean Shepard 2000-11-1 354 Yolo Woodland. From intersection of Co. Rd. 102 and E. Gibson Rd., 0.4 mi west on E. Gibson Rd. Comment
  UCD22633  Sambucus mexicana Joseph Laferriere 1982-5-7 29 Yolo Alpha Phi Omega picnic ground on Putah Creek south of UCD airport, 2 miles west of Davis. 19 Comment
  SFV8438  Sambucus nigra subsp. caerulea J. A. Sheldahl 1968-4-27 38 Yolo Bank of Putah Creek, State Highway 128, 6 miles west of Winters. Comment
  UCD137195  Sambucus nigra subsp. caerulea Cay Collette 1975-5-31 21 Yolo Knight's Landing. 15' from Sacramento River. 15 Comment
  UCD14613  Sambucus nigra subsp. caerulea Nathan Horn 1989-6-7 24 Yolo along Old Davis Road, ca. 1 mile south of University of California, Davis; 15 Comment
  UCD127947  Sanicula bipinnatifida Ogden C. Riddle 1942-3-30 39 Yolo Putah Canyon. Comment
  UCD141671  Schoenoplectus acutus var. occidentalis Ellen Dean; M. Taylor, K. MacMillan 2013-6-13 7794 Yolo City of Davis South Fork Preserve, along Mace Blvd. (County Road 104) south of the City of Davis boundary. North bank of Putah Creek in Plot MBN 4E of the Putah Creek vegetation survey. 9 Comment
  UC444895  Scrophularia californica Francis Ramaley 1917-1-1 11315 Yolo 8 mi w Winters Comment
  UCD124834  Scrophularia californica Ogden C. Riddle 1942-3-30 51 Yolo Putah Creek, 4 miles west of Recreation Beach. (Note: 4 mi west is near Wragg Canyon in what used to be Putah Canyon in Napa County. Collector may have meant 4 mi east, which is also in Putah Canyon but in Yolo County. Record is georeferenced in Napa County). Comment
  SFV8323  Scrophularia californica subsp. floribunda F. W. Martin, M. N. Martin 1960-4-22 73 Yolo State Highway 16, 3 miles northwest of Rumsey. 130 Comment
  UCD41137  Scutellaria tuberosa D. Lowry 2002-4-23 192 Yolo Eastern foothills of inner north coast range, Capay Valley. Ranch near Rumsey. Comment
  UC972287  Secale G. L. Stebbins Jr. 1952-10-21 Yolo Davis Comment
  UC972290  Secale G. L. Stebbins Jr. 1952-10-22 Yolo Davis Comment
  UCD92571  Secale cereale Collector unknown 1925-5-9 2108 Yolo Davis. Comment
  UCD38856  Senecio flaccidus var. douglasii Beecher Crampton 1962-10-2 6691 Yolo 8 miles west of Winters, Putah Creek Canyon, Vaca Mts. State Hwy. 128. Comment
  RSA790653  Senecio vulgaris George K. Helmkamp, E. A. Helmkamp 2012-4-17 18778 Yolo Along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland 65 Comment
  UCD159328  Senecio vulgaris D. S. Park; J. Perez 2010-4-10 18 Yolo Yolo County.: UC Davis campus, lawn. Comment
  CAS-BOT-BC364706  Senecio vulgaris Clarence R. Quick 1971-3-22 71 -4 Yolo Pylman-Quick garden, Merritt Island, near Clarksburg Comment
  UCD133860  Senecio vulgaris Beecher Crampton 1977-3-2 9449 Yolo Davis. Comment
  SEINET11696009  Setaria italica Unknown 1959-11-2 s.n. Yolo UC Davis Campus, Agronomy Experimental Area Comment
  UCD92584  Setaria parviflora Beecher Crampton 1965-8-2 7475 Yolo just north of city limits of Davis on Pole Line Rd.. 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
  UCD92824  Setaria verticillata R. N. Raynor 1939-7-15 s.n. Yolo Yolo County. Comment
  UCR119096  Setaria verticillata Beecher Crampton 1954-9-9 2269 Yolo Sacramento Valley, 2 miles north of Davis. 15 Comment
  UCD34780  Setaria viridis Beecher Crampton 1989-8-17 10225 Yolo Yolo County, UC Davis agricultural services area. Comment
  UCD92838  Setaria viridis Beecher Crampton 1961-7-21 5937 Yolo city of Davis, University of California campus. Comment
  UCD92867  Setaria viridis J. D. Skoss 1948-8-12 86 Yolo Davis. Pomology Orchard on UC campus. Comment
  JEPS84737  Sidalcea keckii John W. Willoughby 1977-4-27 2238 Yolo hills n of State Highway 128 at fishing access 1.2 mi nw of the junction of the highway and Pleasants Valley Road (County Road 86) (Vaca Mountains); Vaca Mountains 73 Comment
  UCD59330  Sidalcea keckii Ellen Dean; Kate Mawdsley 2007-5-11 3754 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Central part of ranch. 637 Comment
  UCD73677  Sidalcea keckii Ayzik Solomeshch 2004-5-7 s. n. Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Northeastern part of ranch, Maxwell Flat area, accessed by private road that is at the end of Moody Slough Rd. 71 Comment
  SBBG50725  Silene gallica D. Youngberg 1968-4-15 815 Yolo County Rd 96, 1 mi N of Fairfield School Comment
  UCD41013  Silene gallica Carol W. Witham 2003-4-11 943 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD98689  Silene gallica J. D. Skoss 1948-6-6 30 Yolo Putah Canyon, 8 miles below Yolo-Napa county lines. Comment
  UCD99131  Silene vulgaris R. Tofsrud 1948-1 s.n. Yolo Davis. Comment
  CDA30825  Silybum marianum M. Beyers 2010-5-12 455 Yolo Just east of County Road 87, along County Road 19. 54 Comment
  SEINET13203171 Image available Silybum marianum George K. Helmkamp, Mary Alice Barnes 2013-1 20521 Yolo Southern Sacramento Valley: Yolo Bypass Wildlife Area, 0.9 mile southeast of the junction of Chiles Road and I-80, between Sacramento and Davis (Davis 7.5' Q.) 13 Comment
  UC735714  Silybum marianum Charles B. Heiser Jr. 1947-5-23 1916 Yolo Davis , campus (campus, <University of California at Davis>) Comment
  UCD20857  Silybum marianum N. Nicola 2001-2-5 074 Yolo Sacramento Valley, 4 miles west of Woodland, at Cache Creek Nature Preserve, riparian zone of Cache Creek. Comment
  UCR257034  Silybum marianum George K. Helmkamp, Mary Alice Barnes 2013-5-8 20521 Yolo Southern Sacramento Valley, Yolo Bypass Wildlife Area, 0.9 mile southeast of the junction of Chiles Road and I-80, between Sacramento and Davis 13 Comment
  UCD73810  Sinapis Jean Shepard 2006-4-22 791 Yolo City of Davis. 3100 Loyola Ave. Grounds of Korematsu school. Comment
  SD255683  Sinapis arvensis George K Helmkamp, Mary Alice Barnes 2013-5-8 20523 Yolo Southern Sacramento Valley: Yolo Bypass Wildlife Area, 0.9 mile southeast of the junction of Chiles Road and I-80, between Sacramento and Davis. 13 Comment
  UCD80909  Sinapis arvensis Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5313 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. 9 Comment
  CAS-BOT-BC74923  Sinapis arvensis W. D. Hamilton 1946-3-6 s.n. Yolo Davis. Comment
  UCD115404  Sinapis arvensis A. S. Crafts 1932-6-6 1 Yolo Boyer Ranch, near Davis. Comment
  UCD115422  Sinapis arvensis P. B. Kennedy 1918-6-6 14 Yolo University Farm, Davis. Comment
  UCD115430  Sinapis arvensis J. A. Ogle 1924-6-1 s.n. 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
  UCD63079  Sisymbrium officinale Ellen Dean 2008-4-9 4788 Yolo Tuleyome Ireland Ranch. Central part of Ranch. Head of smaller canyon that is east of main canyon. 649 Comment
  UCD126826  Solanum americanum W. T. P. 1916-10-1 s.n. Yolo Putah Creek near Davis. Comment
  CDA5909  Solanum cardiophyllum T. C. Fuller 1969-8-7 18855 Yolo Veg. Crops Dept., University of California, Davis. 0 Comment
  UCD68077  Solanum carolinense A. M. Shapiro 1996-5-19 s.n. Yolo University of California, Davis, East of Buehler Alumni Center, in daylily border. Comment
  UCD126905  Solanum elaeagnifolium M. Ramos 1996-5-21 20 Yolo south side of Davis. 13 Comment
  UCD126895  Solanum elaeagnifolium H. R. Drever 1945-8-29 s.n. Yolo near Greenhouse No. 1, University of California campus, Davis. Comment
  UCD126898  Solanum elaeagnifolium M. Ensign 1943-8-9 s.n. Yolo University Farm. Comment
  UCD126908  Solanum elaeagnifolium H. Sevier 1931-6-24 2233 Yolo Davis. Comment
  UCD126909  Solanum elaeagnifolium J. D. Skoss 1948-6-5 18 Yolo University Farm, Davis. Comment
  UCR141665  Solanum nigrum Gene Miyao 1981-11-12 s.n. Yolo Yolo County 70 Comment
  UCD126946  Solanum nigrum Eddy Allan 1976-8-12 s.n. Yolo south of Cache Creek and west of County Road 102, ca. 4 miles northeast of Woodland. Comment
  UCD126947  Solanum nigrum Charles B. Heiser Jr. 1947-5-30 s.n. Yolo 1st and F Streets, Davis. Comment
  UCD41077  Solanum nigrum Carol W. Witham 2003-8-8 1008 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD35568  Solanum parishii Beecher Crampton 1958-4-21 4706 A Yolo 1.6 miles northwest of Rumsey. Comment
  UCD126980  Solanum physalifolium var. nitidibaccatum Eddy Allan 1976-8-12 s.n. Yolo south of Cache Creek and west of County Road 102, ca. 4 miles northeast of Woodland. Comment
  NY820805  Solanum rostratum B. Crampton 1955-7-29 3131 Yolo City of Davis, University of California campus, west of sewage disposal site Comment
  UCD127005  Solanum rostratum June McCaskill; Katherine Onaga 1958-6-25 581 Yolo south side of Arboretum Drive, 0.2 mile west of Sewage Treatment Plant, University of California, Davis. Comment
  SEINET10780201  Solanum tuberosum Stephanie Frischie 2000-10-14 Frischie 146 Yolo Davis Farmers' Market, Davis, CA. Comment
  UC735730  Solanum umbelliferum Charles B. Heiser Jr. 1947-4-10 1902 Yolo about 1 mi n of Rumsey (nw of Highway 16) Comment
  UC917282  Solanum umbelliferum J. D. Skoss 1948-6-6 28 Yolo 2 mi below Yolo-Napa County line (s slope of Putah Canyon); Putah Canyon Comment
  RSA62296  Solanum umbelliferum C. F. Baker 1903-5-8 2890 Yolo Cache Creek cannon [Canyon] Comment
  SBBG50876  Solanum umbelliferum P. G. Low 1966-4-2 18 Yolo 1 mi E of Monticello Dam 76 Comment
  RSA733871  Solanum xanti Keith E. Hoffmaster 1946-4-13 1255 Yolo Putah Canyon. Comment
  UCD127086  Solanum xanti Ogden C. Riddle 1942-3-30 54 Yolo Putah Canyon, 4 miles west of Recreation Beach. Comment
  UCR118879  Solidago occidentalis Beecher Crampton 1961-10-25 6040 Yolo Sacramento Valley, 4 miles northwest of Bryte. Yolo Bypass. 15 Comment
  UCD151028  Sonchus asper subsp. asper D. S. Park 2010-6-1 109 Yolo Dixon. Edges of cornfield across st. from Walmart. 12 Comment
  UCD21311  Sonchus asper subsp. asper J. Shepard 2000-5-20 256 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, past parking lots on south side. 12 Comment
  UCD136179  Sonchus oleraceus K. Esau 1937-5-28 s.n. Yolo Davis. Comment
  SEINET3228401 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
  UCD92880  Sorghum J. H. Edmonds 1932-7-28 s.n. Yolo Near Woodland. J. H. Edmonds' Ranch. Comment
  UCD92787  Sorghum bicolor T. C. Fuller; G. D. Barbe 1979-9-20 2251 Yolo West of County Road 95, between County Roads 25 and 27, southwest of Woodland. Comment
  CHSC79428  Sorghum halepense Beecher Crampton 1955-10-13 3176 Yolo City of Davis. Comment
  HSC47814  Sorghum halepense Michael A. Watkins 1978-6-16 24 Yolo At the corner of F. St. and Covell in the city of Davis. Comment
  UCD92655  Sorghum halepense Beecher Crampton 1961-6-1 5881 Yolo 1 mile N of Davis. Comment
  UCD94814  Sparganium eurycarpum Beecher Crampton 1961-10-25 6048 Yolo 4 miles NW of Bryte, Yolo Bypass. Comment
  CAS-BOT-BC390126  Spergularia bocconi G. B. Rossbach; R. P. Rossbach 1938-5-31 657 Yolo 6 mi. south of Woodland Comment
  SEINET5726656 Image available Spergularia bocconi J. M. Tucker 1977-1 4392 Yolo Orchard Park greenhouse complex (Range 3), University of California campus; Davis 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
  UCD34468  Spergularia macrotheca var. leucantha Beecher Crampton 1985-4-10 9912 Yolo Yolo County, 3.5 miles S.E. of Woodland. Comment
  UCD37104  Spergularia macrotheca var. leucantha Beecher Crampton 1957-4-23 3949 Yolo Yolo County, 3 miles northeast of city of Davis. Comment
  UCD97011  Spergularia macrotheca var. leucantha Christopher Michael Bronny 2011-4-25 36 Yolo city of Woodland. Woodland Regional park property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Near northwest corner of the property, northwest of landfill. 11 Comment
  HSC4267  Spergularia salina C. B. Wolf 1928-5-8 2140 Yolo 12 mi. N of Dixon on the Pacific Hwy. Comment
  CAS-BOT-BC391045  Spergularia villosa J. D. Skoss 1948-5-30 s.n. Yolo 3 miles north of Davis on county road Comment
  RSA261453  Spirodela polyrhiza Helen North 1967-5-27 46 Yolo Near Putah Lodge, University of California, Davis 0 Comment
  UCD93169  Sporobolus Beecher Crampton 1953-4-1 s.n. Yolo Davis. UC Davis Campus. Comment
  UCD39903  Sporobolus capensis Beecher Crampton 1954-4-13 s.n. Yolo UC Davis campus, Agronomy Divison, greenhouse grown. Comment
  UCD93110  Sporobolus cryptandrus Beecher Crampton 1965-10-8 7536 Yolo 1 mile NE of Woodland, Kentucky Ave. Comment
  SEINET10716742  Sporobolus cryptandrus Crampton 1965-10-8 CRAMPTON 7536 Yolo 1 mile N.E. of Woodland on Kentucky ave. (County rd 20), just west of its junction with County rd. 101. Roadshoulder, nearly bare, assoc. Cynodon. Comment
  UCR36550  Stachys ajugoides A. C. Sanders 1984-6-18 5056 Yolo Sacramento Valley, Sacramento Bypass near Bryte, just NW of Sacramento, bed of the bypass 1 mi west of the Sacramento River 5 Comment
  UCD125554  Stachys ajugoides Beecher Crampton 1961-5-8 5864 Yolo Davis, north city limits along County Road 31. 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
  JEPS84563  Stebbinsoseris heterocarpa John W. Willoughby 1977-3-27 1977 Yolo Hills n of State Highway 128 at fishing access 1.2 mi nw of the junction of the highway and Pleasants Valley Road (County Road 86) 60 Comment
  CAS-BOT-BC374801  Stebbinsoseris heterocarpa Blankinship 1893-3-19 s.n. Yolo Unspecified Comment
  UCD160104  Stellaria media Taylor Wolzen 2015-4-12 1 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. 188 Comment
  UCD99458  Stellaria nitens A. A. Beetle 1945-2-22 4185 Yolo Cottonwood Slough, south of Madison. Comment
  UCD136460  Stephanomeria virgata subsp. pleurocarpa M. Phillips 1929-10-1 2071 Yolo Putah Canyon. Comment
  UCR119037  Stipa cernua Beecher Crampton 1958-4-21 4705 Yolo Vaca Mountains, 1/2 mile north of Guinda, Copay Valley, along State Hwy. 16. 152 Comment
  UCR235401  Stipa pulchra George K. Helmkamp, E. A. Helmkamp 2012-4-17 18786 Yolo Sacramento Valley, along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland 65 Comment
  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
  RSA0121907  Streptanthus glandulosus subsp. glandulosus Keith E. Hoffmaster 1941-3-26 1029 Yolo Putah can. Comment
  CHSC79156  Suaeda moquinii Beecher Crampton 1978-6-27 9613 Yolo 4 miles S.E. of Woodland. Comment
  UCD141583  Suaeda nigra Ellen Dean 2013-4-19 7702 Yolo Along C.R. 103 near Conaway Ranch, east side of road. About 1 mile south of C.R. 25. Remnant alkali plain vegetation along ca. 50 ft. of roadside, in a sea of roadside weeds. 10 Comment
  CDA23537  Suaeda nigra T. Kono 1964-9-1 Yolo Pole Line Road, 2.5 miles north of Davis. 0 Comment
  UCD34293  Suaeda nigra Beecher Crampton 1978-11-3 9673 Yolo 4 miles S.E. of Woodland. Comment
  UCD56742  Symphoricarpos albus var. laevigatus Ellen Dean; M. Bibbo 2007-3-23 3434 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
  JEPS41165  Symphyotrichum subulatum Rimo Bacigalupi, and L. Heckard, and C. L. Custer 1965-10-4 9129 Yolo .9 mi n, 1.9 mi ene of Woodland Hebron Siding 10 Comment
  CDA5070  Tamarix parviflora G. D. Barbe 1987-4-3 4266 Yolo Yolo By-Pass, north of I-80, 5 miles east of Davis. 0 Comment
  SEINET10928808  Tamarix parviflora John F. Gaskin 1998-7-3 Gaskin 83 Yolo Road 98, Putah Creek, Davis. Comment
  UCD101737  Tamarix parviflora Joseph M. DiTomaso 1976-4-9 396 Yolo Below Monticello Dam, Lake Berryessa, south facing slope above Putah Creek. 121 Comment
  UCD40906  Tamarix tetrandra Bif Soper 1984-5-30 28 Yolo 1 mile north of Guinda on Hwy 16. 85 Comment
  UCD96954  Tetragonia tetragonoides C. F. Ehlig 1951-5-2 43 Yolo Truck Crops Field Plots, 2 miles west of Davis. Comment
  UC638698  Tetrapteron graciliflorum Ethel Crum 1938-5-7 2006 Yolo 3.5 mi nw Rumsey; Inner North Coast Range, Comanche Hills 213 Comment
  CAS-BOT-BC202042  Thinopyrum ponticum Beecher Crampton 1955-7-11 2981 Yolo 2 miles northeast of Davis (Along County Road 102) Comment
  SEINET237213 Image available Thinopyrum ponticum B. Crampton 1955-1 2981 Yolo Adjacent to old rice fields Co Rd 102 2 mi NE of Davis Comment
  UCD93332  Thinopyrum ponticum Beecher Crampton 1955-7-11 2981 Yolo 2 miles NE of Davis, along County Road 102. Comment
  CAS-BOT-BC88148  Thlaspi arvense Beecher Crampton 1967-4-19 7832 Yolo UC-Davis campus. Comment
  UCD56716  Thysanocarpus curvipes Ellen Dean; M. Bibbo 2007-3-23 3409 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
  UCD47953  Thysanocarpus curvipes subsp. curvipes Ryan Knox; E. McDermott, G. Walden 2002-4-13 24 Yolo Yolo Co., McLaughlin UC Reserve, W side of Davis Creek Reservoir, along road that goes from Soda Spring are to Rayhouse Rd. 0.5 airline mile due N of Soda Spring and 1.0 airline mile WNW of UC Davis Aquatic Lab facility. 516 Comment
  UCD168432  Tonella tenella Ellen Dean 2017-3-15 9254 Yolo Audubon Bobcat Ranch, lands north of Hwy 128, just east of Monticello Dam. Bray Canyon and vicinity on the western side of ranch. Ranch burned once each year in 2014, 2015, 2016. 2017 has been a high rainfall year. Lower reaches of Bray Canyon on west side of creek. 57 Comment
  UCD170671  Torilis arvensis Jean Shepard 2018-2-11 913 Yolo City of Davis. Yard 1800 block Myrtle Place. 15 Comment
  UCD81068  Torilis arvensis Ellen Dean; Drew Maraglia 2009-4-15 5432 Yolo city of Woodland. Woodland Regional Park. East side of County Road 102, just south of County Road 25. 9 Comment
  UCR206286  Torilis arvensis George K. Helmkamp, E. A. Helmkamp 2009-5-20 14732 Yolo Inner Coast Range, west side of Cache Creek along CA-16, 5.5 miles southeast of the Colusa County line 177 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
  CDA5464  Torilis nodosa T. C. Fuller 1958-5-2 3962 Yolo Niessen property, 2 miles southwest of Esparto. 0 Comment
  UCD40911  Torilis nodosa Sutton 1984-5-8 2 Yolo Road 128, along Putah Creek about 3 miles before dam. Comment
  CDA441  Torreya californica W. McGrew 1967-9-6 s.n. Yolo Reid Mine area, NW corner of Yolo Co. 0 Comment
  CAS-BOT-BC173007  Toxicodendron diversilobum Charles B. Heiser, Jr. 1947-6-1 1927 Yolo Along Putah Creek, Davis Comment
  UCD116975  Toxicodendron diversilobum H. H. Dickinson 1950-4-7 24 Yolo Putah Canyon. Comment
  UCD116984  Toxicodendron diversilobum Chas. Heiser 1947-4-21 1908 Yolo Putah Creek, campus, Davis. Comment
  UCD116992  Toxicodendron diversilobum P. B. Kaufman 1950-4-7 25 Yolo Putah Canyon. Comment
  UCD20817  Toxicodendron diversilobum N. Nicola 2001-3-28 033 Yolo Sacramento Valley, 4 miles west of Woodland, at Cache Creek Nature Preserve, along Cache Creek. Comment
  UCD56727  Toxicoscordion fremontii Ellen Dean; M. Bibbo 2007-3-23 3419 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
  UCD139851  Toxicoscordion fremontii Beecher Crampton 1955-3-21 2330 Yolo 2 miles northeast of city of Davis. Comment
  UCD142295  Triadica sebifera Barry Meyers-Rice; Elizabeth Salvia 1999-11-27 MR 991101 Yolo North Ponds' in Davis; near the intersections of F Street and Anderson Road. Comment
  UCD149328  Tribulus terrestris Collector Unknown 1925-6-1 s.n. Yolo University of California, Davis. University Farm. 15 Comment
  SEINET10407759 Image available Tribulus terrestris W. R. Russell 1958-5-13 Yolo Weed just west of California Avenue bridge, in University Arboretum, University of Caifornia, Davis Comment
  JEPS63120  Trichostema lanceolatum Willis L. Jepson 1892-7-27 14881 Yolo W of Winters Comment
  RSA699712  Trifolium Keith E. Hoffmaster 1939-4-6 917 Yolo Putah Canyon. Comment
  RSA699715  Trifolium Keith E. Hoffmaster 1940-4-28 968 Yolo Davis, 2 mi. north. Comment
  RSA699922  Trifolium Keith E. Hoffmaster 1946-3-29 1201 Yolo Putah Canyon. Comment
  UCD33047  Trifolium albopurpureum Beecher Crampton 1966-4-11 7641 Yolo 2 miles north of Rumsey, foothill flat above Cache Creek. Comment
  UCD35750  Trifolium albopurpureum Beecher Crampton 1953-3-23 1016 Yolo 6 miles west of Winters. Comment
  UCD35836  Trifolium albopurpureum Beecher Crampton 1965-4-6 7253 Yolo 2 miles west of Winters. Comment
  UCR118884  Trifolium albopurpureum var. albopurpureum Beecher Crampton 1958-4-21 4704 Yolo Vaca Mountains, 1/2 mile north of Guinda, Copay Valley, along State Hwy. 16. 152 Comment
  UCD58022  Trifolium bifidum Ellen Dean; K. Mawdsley 2007-4-6 3561 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 442 Comment
  UCD33043  Trifolium bifidum Beecher Crampton 1966-4-6 7636 Yolo 2 miles west of Winters. Comment
  UCD21258  Trifolium bifidum var. decipiens J. Shepard 2000-4-21 146 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, east of parking lots on S side of road. 12 Comment
  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
  UCD36188  Trifolium ciliolatum Beecher Crampton 1953-4-9 1064 Yolo 5 miles west of city of Winters, above Putah Creek. 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
  CHSC79314  Trifolium depauperatum var. amplectens Beecher Crampton 1953-4-19 1111 Yolo 1.5 miles north of Davis. Comment
  UC630974  Trifolium depauperatum var. amplectens P. B. Kennedy 1915-4-26 Yolo 5 mi n Alk. belt (outskirts) Comment
  UCD35918  Trifolium depauperatum var. amplectens Beecher Crampton 1953-4-19 1110 Yolo 1.5 miles north of Davis. Comment
  SBBG115697  Trifolium depauperatum var. truncatum B. Crampton 1996-4-22 10335 Yolo 3.5 mi SE of Woodland, along Mavis-Henson (Field) rd, just E of its jct with county Rd 102 and just S of Rd 25 Comment
  UCD146736  Trifolium depauperatum var. truncatum Carol W. Witham 2003-4-9 915 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  HSC15200  Trifolium depauperatum var. truncatum M. Dole 1963-4-9 24 Yolo 3 mi. W of Zamora on Rd. 15 Comment
  UCD35269  Trifolium depauperatum var. truncatum Beecher Crampton 1955-3-21 2337 Yolo County Road 95, 8.5 miles west of Davis. Comment
  UCD35738  Trifolium depauperatum var. truncatum Beecher Crampton 1953-3-31 1053 Yolo About 4 miles west of Davis. Comment
  UCD41085  Trifolium dubium N. Nicola 2003-3-22 252 Yolo Eastern foothills of inner north coast range, Capay Valley. Cache Creek Riparian Preserve. Comment
  UCD34224  Trifolium dubium Beecher Crampton 1978-5-8 9577 Yolo 1/4 mile south of Saxon Station. NE quarter. Comment
  UCD39967  Trifolium eriosphoerum Beecher Crampton 1966-7-6 s.n. Yolo UC Davis Campus, Agronomy Experimental Area; grown from seed of unknown origin. P.I. 290-019. Comment
  UCD108949  Trifolium fragiferum R. E. Skaggs 1967-7-30 s.n. Yolo 1113 Alice Street, Davis. Comment
  UCD38254  Trifolium fragiferum Beecher Crampton 1953-8-20 1598 Yolo Lawn, UC Davis campus. Comment
  CHSC79168  Trifolium fucatum Beecher Crampton 1966-4-19 7653 Yolo 1/4 mile south of Saxon station site. Comment
  UCD38306  Trifolium fucatum Beecher Crampton 1954-4-8 1756 Yolo 2 miles NE of Davis. Comment
  UCD48024  Trifolium fucatum Ryan Knox; E. McDermott, and G. Walden 2002-4-13 17 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. 480 Comment
  UCD84335  Trifolium fucatum Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCR220400  Trifolium fucatum Jean V. Shepard 2001-3-23 413 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, from intersection of I-80 and Mace Blvd., 3.5 miles south on Mace Blvd. (County Rd 104), 0.5 mi east along County Road 36, southeast corner of the Park 12 Comment
  UCD21262  Trifolium gracilentum J. Shepard 2000-4-30 152 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, on the south side, past parking lots in field. Along a rutted dirt track going south. 12 Comment
  UCD38426  Trifolium gracilentum Beecher Crampton 1955-4-14 2484 Yolo 2 miles south of Zamora. 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
  UCD33045  Trifolium gracilentum Beecher Crampton 1966-4-11 7639 Yolo Woodland, railroad station. Comment
  UCD35740  Trifolium gracilentum Beecher Crampton 1953-3-30 1044 Yolo Durst Ranch, about 9 miles west of Dunnigan. Comment
  UCD21374  Trifolium gracilentum var. gracilentum J. Shepard 2001-3-23 414 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
  UCD149356  Trifolium incarnatum Collector Unknown 1952-1 s.n. Yolo City of Madison. 44 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
  UCD168493  Trifolium microcephalum Ellen Dean; C. Thomsen and M. Hoshovsky 2017-3-29 9283 Yolo Audubon Bobcat Ranch, west side of ranch, north of Hwy 128, near western property boundary. Southeast-facing rock face above Bray Canyon. Area has burned three times in past three years. 233 Comment
  RSA636079  Trifolium microcephalum Robert M. Rhode, Barbara Nemeth 1998-5-13 182 Yolo In the vicinity of Guinda; west of the intersection of State Highway #16 and County Road #53, on County Rd. #53, c. 1 km west of gate. Comment
  UCD33060  Trifolium microcephalum Beecher Crampton 1966-4-20 7660 Yolo Yolo County, 2 miles west of Winters. Comment
  UCD56704  Trifolium oliganthum Ellen Dean; M. Bibbo 2007-3-23 3397 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SW portion of ranch. 649 Comment
  UCD39965  Trifolium parviflorum Beecher Crampton 1966-7-6 s.n. Yolo UC Davis Campus, Agronomy Experimental Area; grown from seed of unknown origin. P.I. 302-565. Comment
  UCD81203  Trifolium resupinatum Sue Nichol 2009-4-30 s. n. Yolo From Interstate 80 East, take the Mace Boulevard exit in Davis. Turn left at off-ramp onto Chiles Road. Go straight through the next light at the Mace Boulevard and Chiles Road intersection. Travel approximately 3.5 miles east on Chiles Road to the Yolo Bypass Wildlife Area. Drive up onto the levee at the end of Chiles Road (do not go under the freeway). Turn left at the top of the levee and enter the Yolo Wildlife Area. Go east of the parking lot about 1/3 mile. 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
  UCR152422  Trifolium stenophyllum Beecher Crampton 1967-5-3 7853 Yolo Sacramento Valley, 2 miles west of Winters. 46 Comment
  UCD149357  Trifolium subterraneum Collector Unknown 1952-1 s.n. Yolo City of Madison. 44 Comment
  UCD73596  Trifolium subterraneum Ellen Dean; Elizabeth Goebel 2008-4-7 4731 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat in the northeastern part of the ranch that is accessed by a private road at the end of Moody Slough Road. 70 Comment
  UCD35008  Trifolium willdenovii Beecher Crampton 1998-4-21 10344 Yolo Yolo County, ca. 3.5 miles S.E. of Woodland along county road 102, east of Mavis - Hanson field. Comment
  UCD41083  Trifolium willdenovii N. Nicola 2003-4-22 249 Yolo Eastern foothills if inner north coast range, Capay Valley. Murphy property off Rd 70 on Hwy 16. 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
  UCD81464  Trifolium willdenovii M. Wiesendanger 1927-4-29 592 Yolo Davis. Comment
  UCD84346  Trifolium willdenovii Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCR220401  Trifolium willdenovii Jean V. Shepard 2001-3-26 425 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, 4 mi south on Mace Blvd. (Co. Road 104) from intersection of Hwy I-80 and Mace Blvd., 0.3 mi east along County Road 36 12 Comment
  OBI54935  Trifolium willdenovii Kathleen Faustini 1980-4-21 9 Yolo Rte E6 and Rd 32 Comment
  RSA699925  Trifolium willdenovii Lois Weston 1942-4-24 1150 Yolo Putah Canyon. Comment
  SBBG115575  Trifolium willdenovii B. Crampton 1982-3-22 9819 Yolo 2 mi W of Winters on Rd 87 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
  UCD18424  Trifolium willdenovii Gabor Bethlenfalvay 1973-4-23 2 Yolo city of Davis, Covell Blvd. and Anderson Rd. 15 Comment
  UCD19493  Trifolium willdenovii Terry Reedy 1974-5-5 199 Yolo city of Davis, 5th street and Pole Line Road., northeast corner. 21 Comment
  UCD34397  Trifolium willdenovii Beecher Crampton 1982-3-22 9819 Yolo Yolo County, 2 miles west of Winters on road 87. Comment
  UC991145  Trigonella foenum-graecum J. M. Tucker 1951-3-27 2058 Yolo N edge, just W of B street Davis Comment
  UCD41142  Triodanis biflora N. Nicola 2002-5-16 220 Yolo Eastern foothills of inner north coast range, Capay Valley. About 0.4 miles as the crow flies west of Guinda. Comment
  RSA183458  Tristagma uniflorum June McCaskill, W. A. Harvey, Katherine Onaga 1965-3-31 696 Yolo 316 C Street, Davis. Comment
  UCD139321  Triteleia hyacinthina Fleur Ng'weno 1989-5-7 DQ 42 Yolo D-Q University County Road 31, 9 mi. west of Davis city center. 30 Comment
  RSA233005  Triteleia ixioides subsp. scabra D. A. Young 1969-5-4 P 360 Yolo 2.5 miles northwest of Woodland, along Highway 16 south of Madison 274 Comment
  UC917111  Triteleia laxa R. B. Griffith 1949-3-20 7 Yolo high rocky roadside bank Putah Canyon Comment
  CAS-BOT-BC526143  Triteleia laxa Alice Eastwood 1927-3-28 14232 Yolo near Winters Comment
  SEINET233354  Triteleia laxa Becky Wilson 1973-4-10 10 Yolo 7 miles west on Winters in Thompson Canyon; 183 Comment
  SEINET5725246 Image available Triteleia laxa Gale Kleinkopf 1967-1 3 Yolo State Highway 128, 2.9 miles west of Winters; Winters 38 Comment
  UCD14273  Triteleia laxa Becky Wilson 1973-4-10 10 Yolo Yolo County; 7 miles west of Winters in Thompson Canyon; 182 Comment
  UCD14279  Triteleia laxa Ed Taub 1974-4-6 1 Yolo Yolo County; in a field off of Highway 128, 2.5 miles west of Winters; 45 Comment
  HSC100231  Triticum aestivum J. P. Smith 2010-5-20 12885 Yolo Along frontage road near junction with Road 29. 9 Comment
  UCD39829  Triticum aestivum Beecher Crampton 1956-12-3 s.n. Yolo Agronomy Experimental Area, UC- Davis Campus. Comment
  UCD93313  Triticum aestivum Beecher Crampton 1961-6-1 5894 Yolo 3 miles S of Woodland. Comment
  UCR237592  Triticum aestivum George K. Helmkamp, E. A. Helmkamp 2012-3-9 18612 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
  UCD116066  Tropidocarpum gracile P. B. Kennedy 1915-4-26 s.n. Yolo Davis. Railroad track. Comment
  UCD93420  Tuctoria mucronata Robert Holland 1993-6-10 s.n. Yolo Air Force Antenna Farm. Comment
  UCD169965  Typha angustifolia Bonnie Hagstrom 1984-5-25 26 Yolo 4.6 miles east of Winters on Road 32, on the north side of the road. Comment