Search Results — 2000 specimen records retrieved (1384 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SEINET13352687 Image available Abutilon megapotamicum June McCaskill 1954-4-13 228 Yolo Yard at 426 D Street, Davis Comment
  SD125430  Abutilon theophrasti Herman Timm, June McCaskill 1976-9-1 Yolo Weed: Annual weed; in Herman Timm's (Vegetable Crops Department) potato plots at Campbell Tract, UC Davis. Comment
  SEINET10407697 Image available Acacia dealbata B. J. McCaskill 1954-1 226 Yolo In parking on south side of 3rd Street just west of B Street, Davis Comment
  UCD50408  Acer Jean Shepard 2004-7-23 s.n. Yolo CA: Yolo Co.: UCD Campus Courtyard behind Buehler Alumni Center. Comment
  POM136910  Acer macrophyllum C. F. Baker 1903-5-8 2981 Yolo Cache Creek Canyon Comment
  POM136911  Acer macrophyllum C. F. Baker 1903-5-8 2981 Yolo Cache Creek Canyon 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
  UCD117061  Acer macrophyllum M. Wiesendanger 1927-5-4 636 Yolo Putah Canyon. Comment
  SEINET7894023  Acer macrophyllum Schank 1959-3-29 s.n. Yolo About 4 mi. W of Winter, near the stream ascending from Putah Canyon. 366 Comment
  CDA12894  Acer negundo G. F. Hrusa 1996-3-25 12700 Yolo Central Valley; S bank of Tule Canal, approx. 1/2 mile E of Interstate 5 on S side of Yolo Bypass. Comment
  UCD117114  Acer negundo H. MacKenzie 1949-6-1 25 Yolo University of California Davis, campus. Comment
  UCD117115  Acer negundo G. V. Morejohn 1954-4-23 14 Yolo 4.5 miles west of Davis. Comment
  UCD141675  Acer negundo Ellen Dean; M. Taylor 2013-6-18 7796 Yolo City of Davis South Fork Preserve, along Mace Blvd. (County Road 104) south of the City of Davis boundary. North bank of Putah Creek in MBN Plot 5A of the Putah Creek vegetation survey. 9 Comment
  UCD18421  Acer truncatum Duane Gooden 2000-5-30 s.n. Yolo city of Davis, UC Davis campus, NE of Storer Hall. Comment
  JEPS77769  Achillea millefolium Douglas W. James Jr. 1973-4-10 16 Yolo off Road 128 just below the bridge below Lake Berryessa (Thompson Canyon); below Lake Berryessa, Thompson Canyon 182 Comment
  UCD128317  Achillea millefolium K. O'Keefe 1995-6-3 s.n. Yolo 100 m from west side of Cold Creek, 250 m from confluence with Putah Creek. Below and east of Lake Berryessa, on side of Highway 128. 120 Comment
  UCD128343  Achillea millefolium J. D. Skoss 1948-6-6 22 Yolo Putah Canyon, 1 mile below Yolo-Napa county line. Comment
  UCD58070  Achillea millefolium Ellen Dean; K. Mawdsley 2007-4-6 3610 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 462 Comment
  UCD81457  Achillea millefolium M. Wiesendanger 1927-5-4 652 Yolo Putah Canyon. Comment
  UCD128335  Achillea millefolium R. Randell 1996-5-4 8 Yolo davis, 1.8 miles north of Covell on Road 102, east of drainage ditch. 12 Comment
  RSA0028971  Achnatherum coronatum Lois Weston 1942-4-20 1131 Yolo Davis. Comment
  UCD58021  Achyrachaena mollis Ellen Dean; K. Mawdsley 2007-4-6 3560 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 442 Comment
  UCD128398  Achyrachaena mollis G. F. Hrusa; S. Larson 1995-4-10 12052 Yolo Field between Interstate 505 and onramp at Highway 16 (Woodland Main Street Extension). 100 Comment
  UCD128431  Achyrachaena mollis DQU Science Class 1989-4-25 DQ 3 Yolo D-Q University. County Road 31; 9 miles west of Davis city center. 29 Comment
  UCD21532  Acmispon americanus var. americanus J. Shepard 2000-7-29 334 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. Southeast to a grove of trees planted Spring 2000. 12 Comment
  UCD103868  Acmispon americanus var. americanus Mr. McQuesten 1928-9-8 1430 Yolo Davis. Comment
  UCD81548  Acmispon americanus var. americanus W. D. Norton 1934-8-2 s.n. Yolo Woodland. Comment
  UCD20808  Acmispon brachycarpus N. Nicola; C. Kremen 2001-3-16 024 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  UCD104138  Acmispon glaber D. Sanchez-Mata 1998-6-24 s.n. Yolo Rumsey. Cache Creek Ridge. Cache Creek Canyon Regional Park. 210 Comment
  UCD149379  Acmispon glaber Trongren 1956-1 s.n. Yolo Dunnigan foothills. 184 Comment
  UCD168495  Acmispon strigosus Ellen Dean; C. Thomsen and M. Hoshovsky 2017-3-29 9285 Yolo Audubon Bobcat Ranch, west side of ranch, north of Hwy 128, near western property boundary. Top of rock outcrops above Hwy 128 and Bray Canyon north of transmission power lines tower. Area has burned three times in the last three years. 241 Comment
  UCD104483  Acmispon wrangelianus A. A. Beetle 1945-3-8 4204 Yolo Putah Creek Canyon, west of Winters. 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
  UCD39174  Acmispon wrangelianus Beecher Crampton 1953-5-5 1211 Yolo 1.5 miles northest Davis. Comment
  UCD35933  Acmispon wrangelianus Beecher Crampton 1953-4-11 1070 Yolo Along the road 1.5 miles north of Davis. Comment
  UCD128395  Acroptilon repens Beecher Crampton 1959-6-11 5352 Yolo West Sacramento, along Galveston Street. Comment
  UCD35425  Acroptilon repens Beecher Crampton 1956-7-13 3718 A Yolo Harbor Blvd. and Deluth St., West Sacramento. Comment
  UCD38759  Acroptilon repens Beecher Crampton 1957-10-25 4641 Yolo West Sacramento, along the US Hwy. 40 freeway. Comment
  CAS-BOT-BC133141  Adenostoma fasciculatum Roxana Stinchfield 1916-6-26 354 Yolo Foothills west of Dunnigan near Buckeye Cr. Comment
  SEINET240105  Aegilops cylindrica Beecher Crampton 1961-4-20 T.O. 2622 a Yolo UC Davis agronomy experimental area, plant introduction nursery, row 20. Comment
  SEINET240104 Image available Aegilops neglecta Beecher Crampton 1961-5-8 T.O. 2623 Yolo CULTIVATED; UC Davis agronomy experimental area, plant introduction nursery, row E-84; USDA plant introduction #170-194. Comment
  SEINET240106  Aegilops speltoides Beecher Crampton 1961-5-8 T.O. 2621 a Yolo UC Davis agronomy experimental area, plant introduction nursery, row E - 81. Comment
  CDA29458  Aegilops triuncialis Robin Breckenridge 2009-5-26 PDR# 1313570 Yolo In the vicinity of Madison and Winters. Along CR 89, between CR 25 and CR 20. 0 Comment
  SBBG21209  Aegilops triuncialis B. Crampton 1959-5-26 Yolo 2.5 mi W of Winters Comment
  UCD51574  Aegilops triuncialis A. Haig 1958-10-1 s.n. Yolo Fred Coble Ranch, 2 miles west of Winters. Comment
  CAS-BOT-BC206888  Aesculus californica Lara Hawthorne 1989-6-3 17 Yolo Hwy 128 near Stebbins Reserve 97 Comment
  HSC13493  Aesculus californica W. R. Rogers 1965-6-25 302 Yolo Co. Rd. 40 Fiske Creek Ridge Comment
  HSC62868  Aesculus californica J. M. DiTomaso 1979-5-12 983 Yolo 3.9 mi. E of Yolo-Colusa co. line on Hwy. 128, below Lake Berryessa, about 30 ft. from bank of Putah Creek. 76 Comment
  UCR206348  Aesculus californica George K. Helmkamp, E. A. Helmkamp 2009-5-20 14725 Yolo Inner Coast Range, west side of Cache Creek along CA-16, 5.5 miles southeast of the Colusa County line 177 Comment
  SEINET5743816 Image available Aesculus californica Betsy Rich 1974-1 35 Yolo Foothill oak grassland near Putah Creek; State Hwy 128, 1 mile W of its intersection with Pleasants Valley Road.; Putah Creek Comment
  SEINET3915956  Agropyron smithii Beecher Crampton 1963-7-22 2345 Yolo Uc Davis agronomy experimental area, plant introduction nursery, row E-122.; 0 Comment
  UCD38883  Agropyron trachycaulum var. majus Beecher Crampton 1959-6-10 5349 Yolo North of Davis. Junction of Anderson Road and County Road 31. Comment
  UCD41153  Agrostemma githago K. Arhangelsky 2002-5-9 205 Yolo Eastern foothills of inner north coast range, Capay Valley. North of Guinda, Rd 43 off Hwy 16; Fullbelly Farm. Comment
  SEINET238197  Agrostis Beecher Crampton 1964-6-11 3110 Yolo CULTIVATED ; Cultivated at Agrostis nursery UC Davis A 41-42. Grown from seed collected 7-27-1955 in Mendocino County 4 miles sou Comment
  UCD55639  Agrostis Beecher Crampton 1964-6-11 s.n. Yolo U. C. Davis Campus. Agronomy Experimental Area. Agrostis Nursery 41-42. Comment
  CDA1700  Agrostis capillaris N. van Kleeck 1975-2-4 Yolo 1407 Whittier Drive, Davis. 0 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
  UCD37766  Agrostis exarata Beecher Crampton 1961-10-25 6057 Yolo Yolo County, 2 miles west of Bryte, along County Road 127, junction of Sacramento Bypass and Yolo Bypass. Comment
  UCD53534  Agrostis stolonifera Leonard 1919-6-13 x 3067 Yolo 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
  UCD166124  Alisma lanceolatum Luis Espino 2016-10-11 s.n. Yolo southeast of the city of Davis. Just southeast of intersection of county roads 106 and 35. 5 Comment
  UCD166125  Alisma lanceolatum Luis Espino 2016-10-11 s.n. Yolo southeast of the city of Davis. Just southeast of intersection of county roads 106 and 35. 5 Comment
  SEINET10755098  Allium cepa Stephanie Frischie 2000-9-27 Frischie 71 Yolo Safeway Store #1205, 1431 West Covell, Davis, CA 95616. Comment
  CAS-BOT-BC472800  Allium neapolitanum Beecher Crampton 1977-4-1 9460 Yolo Davis Comment
  NY663906  Allium neapolitanum B. Crampton 1977-4-1 9460 Yolo Comment
  SEINET194961  Allium parvum A. A. Heller 1938-5-21 15104 Yolo Plain about the airfield W of Chester Comment
  UC657692  Allium serra M. Wiesendanger 1927-4-29 618 Yolo esparto Comment
  UCD138641  Allium serra M. Wiesendanger 1927-4-29 618 Yolo Esparto. Comment
  UCD41084  Allium serra N. Nicola 2003-4-21 251 Yolo Eastern foothills of inner north coast range, Capay Valley. Cache Creek Riparian Preserve. Comment
  CAS-BOT-BC475458  Allium serra Annetta Carter 1938-5-7 1361 Yolo Cache Creek canyon, 3.6 miles north of Rumsey, Inner North Coast range 152 Comment
  CAS-BOT-BC475500  Allium triquetrum June McCaskill 1967-4-2 717 Yolo 815 E. 9th Street, Davis Comment
  UCSB31103  Allium triquetrum Vernon I. Cheadle 1961-3-8 M 753 Yolo collected in the Willowbank Willowbank Comment
  UCD110002  Alnus rhombifolia Beecher Crampton 1975-6-24 9226 Yolo 6.5 miles west of Winters, Putah Creek Canyon. 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
  UCD55984  Alopecurus Beecher Crampton 1973-4-16 8919 Yolo Saxon S.W. 1. Comment
  HSC8891  Alopecurus saccatus J. W. Lenz 1947-4-24 Yolo Alkali area N of Davis, Hwy. 99W Comment
  UCD21429  Alopecurus saccatus J. Shepard 2002-4-18 525 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road to north - south access road. South to dip in road at vernal pool area. 12 Comment
  UCD55958  Alopecurus saccatus P. B. Kennedy 1915-4-26 s.n. Yolo Outskirts of Davis. Comment
  UCD23338  Amaranthus A. M. Shapiro 2003-1-5 s.n. Yolo West Sacramento. Weed in safflower. Plants 1-1.7 meters tall. Comment
  UCD97170  Amaranthus albus P. B. Kennedy 1920-6-23 s.n. Yolo Clarksburg -- Sacramento River. Holland Land Co. Comment
  UCD108107  Amaranthus arenicola A. M. Shapiro 2011-9-15 s.n. Yolo West Sacramento, 1 km W of intersection of W. Capitol Ave. and Enterprise Blvd. Yolo Bypass. Comment
  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
  UCD97206  Amaranthus blitoides T. Tomich 1949-5-30 64 Yolo Davis. Comment
  RSA97930  Amaranthus californicus Beecher Crampton 1952-11-4 907 Yolo Woodlan Sewage Disposal area, 1.5 miles east of city of Woodland. Comment
  UCD18427  Amaranthus deflexus Gabor Bethlenfalvay 1973-5-28 23 Yolo city of Davis, UC Davis campus, in waste place, near UCD Botany Greenhouse. 15 Comment
  UCD97508  Amaranthus palmeri A. M. Shapiro 1993-9-26 s.n. Yolo West Sacramento, I-80 near east levee of Yolo Bypass. Comment
  UCD36489  Amaranthus palmeri Beecher Crampton 1953-10-15 1689 Yolo Yolo County, city of Davis, University of California Sprinkler Plots. Comment
  UCD13412  Amaranthus powellii K. Meares 1996-9-24 017 Yolo City of Davis, northern part. On greenbelt between Jalisco and Grande. 15 Comment
  UCR197933  Amaranthus retroflexus Beecher Crampton 1952-10-11 853 Yolo Sacramento Valley, 1 mi north of Davis, waste lot 12 Comment
  UCD97772  Amaranthus retroflexus P. B. Kennedy 1914-7-1 s.n. Yolo University Farm, Davis. Comment
  CAS-BOT-BC64719  Ambrosia psilostachya Clarence R. Quick 1971-8-26 71 -59 Yolo Pylman-Quick garden, Merritt Island, near Clarksburg Comment
  UCD36088  Ambrosia psilostachya Beecher Crampton 1952-10-11 856 Yolo 1 mile north of city of Davis. Comment
  IRVC9307  Ambrosia psilostachya var. californica B. T. Gittins 1966-8-9 1531 Yolo N side of Putah Creek; ca. 5 mi. W of Winters Comment
  UCD102877  Ammannia robusta Charles B. Heiser Jr. 1947-7-8 1952 Yolo North of Davis. Comment
  UCD102885  Ammannia robusta P. B. Kennedy 1916-7-21 s.n. Yolo Yolo County. Comment
  HSC93550  Ammi visnaga G. Fred Hrusa, T. D. Wilfred 1996-12-19 13952 Yolo Levee along Tule Canal, ~3/4 mi. E of I-5 and 1/4 mi. N of Sacramento River on S side of Yolo Bypass 15 Comment
  UCD104613  Amorpha californica var. californica June McCaskill; Roman Gankin 1962-5-2 650 Yolo State Highway 16, 12.7 miles south of junction with State Highway 20. Comment
  UCR207830  Amsinckia intermedia George K. Helmkamp, E. A. Helmkamp 2009-3-24 14448 Yolo Inner North Coast Range, along CA-128, 6.1 miles west of Winters and beside Putah Creek 49 Comment
  CDA40601  Amsinckia intermedia G. D. Barbe 1985-4-16 2575 Yolo Southwest corner of County Roads 14 & 88, north of Esparto. 0 Comment
  RSA0089722  Amsinckia intermedia Peter M. Ray 1950-4-15 1708 Yolo North side of canyon of Cache Creek; on California Highway 16, 6 miles north of Rumsey (1/4 mile inside Yolo-Colusa county line). Comment
  SFV3060  Amsinckia intermedia B. J. McCaskill, K. Onaga 1963-5-2 664 Yolo Sacramento Valley Davis. U. C. Davis campus. Field just southwest of Gilmore Hall. Comment
  UCD119283  Amsinckia intermedia Alan P. Godlewski 1974-4-26 5 Yolo South of Envir. Hort. On UC Davis campus. Comment
  UCD15502  Amsinckia intermedia Fred Tulley 1984-5-6 10 Yolo Davis Equestrian Field. 19 Comment
  UCD144438  Amsinckia lycopsoides Carol W. Witham 2003-4-11 935 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD41005  Amsinckia lycopsoides Carol W. Witham 2003-4-11 935 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  SEINET12519223  Amsinckia lycopsoides Stephen R. Chapman 1963-1 23 Yolo North side of Willow Slough, 0.5 mile west of County Road 102 Comment
  UCD119769  Amsinckia menziesii K. Twitchell 1996-4-21 16 Yolo Davis, Road 96. Near Russell Blvd. 22 Comment
  UCD160201  Amsinckia menziesii Taylor Blevins 2015-4-12 5 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, adjacent to ranch house headquarters. 99 Comment
  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
  UC1178374  Amsinckia tessellata var. gloriosa P. M. Ray 1951-4-2 K 25 Yolo no of Rumsey Comment
  UCD62841  Anagallis arvensis Elaine Chow; Plant Biology 102 students 2008-4-6 4 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. 109 Comment
  SEINET5733528 Image available Anagallis arvensis R. C. Herner 1965-1 5 Yolo Near Orchard Park Apartments, Univ. of CA.; Davis 15 Comment
  UCD117413  Anagallis monelli Levine 1974-5-21 107 Yolo Union School Yard, junction of County Roads 29 and 88. 18 Comment
  UCD18463  Anagallis monelli Garrett Gibson 1988-6-8 16 Yolo city of Davis, drainage ditch behind Dos Pinos Housing Cooperative. Comment
  UCD38868  Andropogon glomeratus var. pumilus Beecher Crampton 1962-10-30 6710 Yolo 8.5 miles west of Winters. State Hwy. 128. Putah Creek Canyon, Vaca Mts. Comment
  SEINET10868929  Andropogon glomeratus var. pumilus Alan A. Beetle 1946-7-13 Beetle 4691 Yolo 1 mile below Cannon Ball Point, spring seepage assoc. Cynodon dactylon & Gaspalum distichum. Comment
  UCR148786  Anredera cordifolia Cynthia Cheney 1969-8-22 s.n. Yolo 411 University Avenue, Davis Comment
  CDA6813  Anthemis cotula D. G. Kelch 2007-5-18 7 .327 Yolo Yolo Causeway, 0.4 mi E of Levee Rd. / RR crossing. Comment
  UCD129065  Anthemis cotula Morris Halperin 1932-6-11 s.n. Yolo near agronomy field, Davis. Comment
  UCD47827  Apiastrum angustifolium J. Pierner; S. Burgess, A. Hufton, A. Ryan, and B. Takahashi 2000-4-29 13 Yolo Yolo Co/Napa Co line; McLaughling Reserve, 1 mile (as the crow flies) N of old town Knoxville. 640 Comment
  UCD72428  Apiastrum angustifolium Ellen Dean 2008-4-25 4855 Yolo Tuleyome Ireland Ranch, central part of ranch along path that has been cut through chaparral to access southwestern portion of ranch. 620 Comment
  RSA401384  Apocynum sibiricum Glenn A. Gorelick 1966-6-1 s.n. Yolo At UC Davis, next to the railroad tracks, near the radiology labs Comment
  RSA401385  Apocynum sibiricum Glenn A. Gorelick 1965-8-26 s.n. Yolo Near Low Water Bridge, Davis Comment
  CHSC83109  Arbutus unedo Robert B. Deering 1956-11-28 450 Yolo Landscape Management Lath House; U.C.; Davis. Comment
  CAS-BOT-BC102246  Arctium lappa P. B. Kennedy 1920-6-21 s.n. Yolo Merrit Island - Sacramento R. Comment
  UCD34982  Arctium lappa Beecher Crampton 1997-6-27 10340 Yolo Yolo County, ca. 2 miles south of Woodland along county road 25A between county roads 99 and 99E. Comment
  UCD81288  Arctostaphylos G. L. Stebbins Jr. 1966-2-22 6308 Yolo Summit ridge of Glasscock Mountain. 731 Comment
  UCD51920  Arctostaphylos manzanita F. W. Hays 1927-1-30 582 Yolo Putah Canyon. Comment
  CAS-BOT-BC38892  Arctostaphylos manzanita subsp. manzanita R. B. Griffith 1949-3-14 2 Yolo North bank of Putah Creek, 8.6 miles west of Winters Comment
  UCD81775  Arctostaphylos manzanita subsp. manzanita Ellen Dean 2009-4-26 5475 Yolo Bobcat Ranch lands to the north of Hwy 128, just east of Monticello Dam. Bray Canyon. East side of Bray Creek. 76 Comment
  SEINET4342626  Aristida hamulosa B. Crampton 1963-9-19 6896 Yolo 2.5 miles west of Winters on Hwy. 128 Comment
  UCD169002  Aristida ternipes var. gentilis Ellen Dean; Dash Weidhofer and Audubon trip participants 2017-4-1 9303 Yolo Audubon Bobcat Ranch. Lands north of Hwy 128 and Putah Creek west of town of Winters. Area burned three times in the past three years. Central part of ranch. Ridge extending south from undeveloped road west of headquarters. 157 Comment
  UCD38016  Aristida ternipes var. gentilis Beecher Crampton 1962-9-11 6667 Yolo Yolo County, 2.5 miles west of city of Winters. Comment
  UCD56863  Aristida ternipes var. gentilis Jack Major 1961-6-13 542 Yolo along Putah Creek, 1.2 miles west of junction of State Highway 128 and Pleasants Valley Road. Comment
  UCD56872  Aristida ternipes var. gentilis Beecher Crampton 1953-8-24 1600 Yolo 2 miles west of Winters. Comment
  UC1543118  Aristolochia californica Charlotte G. Nast 1936-3-27 25 Yolo Putah Canyon east Comment
  CAS-BOT-BC278145  Aristolochia elegans Eva Bayon 2012-10-19 3004 Yolo University of California, Davis. Botanical Conservatory 15 Comment
  UCD56020  Arrhenatherum elatius D. H. Hartmann 1941-7-9 s.n. Yolo City of Davis. Campus of University of CA, Davis. Agronomy Plots. Comment
  UCD39879  Artemisia caucasica Beecher Crampton 1975-5-12 s.n. Yolo UC Davis Campus, Plant Inrtoduction Nursery. Comment
  UCD129306  Artemisia douglasiana A. S. Crafts 1926-7-8 453 Yolo University Farm Campus, Davis. Comment
  UCD37761  Artemisia douglasiana Beecher Crampton 1961-10-25 6044 A Yolo 4 miles NW of Bryte, Yolo Bypass, S of Todhunter's Lake. Comment
  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
  UCD35939  Arthrocnemum subterminale Beecher Crampton 1973-6-22 8961 Yolo Yolo County, 3 miles S.E. of Woodland (in direct line), county roads 25 and 103. Comment
  UCD73034  Arthrocnemum subterminale Ellen Dean; Erika Smith and Casey Woodall 2008-5-12 4915 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
  UCD56077  Arundo donax R. Tofsrud 1941-10-1 150 Yolo Davis. Comment
  UCD39910  Arundo donax var. versicolor Beecher Crampton 1962-11-3 s.n. Yolo City of Davis. Comment
  UCD160102  Asclepias cordifolia Emily Howard 2015-4-12 4 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. 137 Comment
  UCD97110  Asclepias cordifolia Ellen Dean; C. Loughran, A. Fuller 2011-5-8 7010 Yolo Yolo County. Audubon Bobcat Ranch. Lands to the north of Hwy 128, just E of Monticello Dam. Bray Canyon. About two thirds of the way up the canyon in uplands on east side of creek. Along ridge between two side canyons. Comment
  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
  UCD20571  Asclepias fascicularis E. Dean; with M. Bibbo 2002-7-5 1112 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
  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
  UCD121320  Asclepias fascicularis C. J. W. Date unknown s.n. Yolo Found in spots near Davis. Comment
  UCD121372  Asclepias speciosa C. B. Heiser Jr. 1946-8-19 1838 Yolo Along Southern Pacific Railroad, near Davis. Comment
  UCD67398  Asclepias speciosa Juliette Nguyen Le 1992-5-30 12 Yolo Roadside along Road 32A. 6 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
  CDA16242  Aster chilensis G. F. Hrusa 1997-12-13 14134 Yolo Sacramento Valley; Tule Canal. On bank of S levee along canal. 0 Comment
  UCD20594  Astragalus clevelandii E. Dean; with M. Bibbo 2002-7-5 1137 Yolo McLaughlin UC Reserve. 0.6 road miles S of Rayhouse Road reserve gate, along road to Soda Springs. 487 Comment
  SBBG117232  Astragalus didymocarpus B. Crampton 1963-5-24 6810 Yolo Davis, just NE of W Davis School Comment
  UCD149354  Astragalus douglasii var. douglasii Collector Unknown 1952-1 s.n. Yolo City of Dunnigan. 62 Comment
  UCD105342  Astragalus tener var. ferrisiae Elwood Peters 1954-4-27 s.n. Yolo Causeway. Comment
  UC2014133  Astragalus tener var. ferrisiae Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo County: Yolo Bypass. Glide Ranch. Comment
  RSA653947  Astragalus tener var. tener Beecher Crampton 1966-4-19 7654 Yolo 1 mile S.W. of Saxon Station Comment
  UCD105357  Astragalus tener var. tener Beecher Crampton 1978-5-8 9578 Yolo Yolo County, 1/4 mile south of Saxon Station. Comment
  UCD105436  Astragalus tener var. tener K. Esau 1935-5-1 s.n. Yolo Near Davis. Comment
  UCD105438  Astragalus tener var. tener D. H. Hartmann 1942-4-12 s.n. Yolo Along the railroad track north of Davis. Comment
  UCD38297  Astragalus tener var. tener Beecher Crampton 1954-4-8 1758 Yolo 2 miles NE of Davis. 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
  UCD19082  Atriplex A. M. Shapiro 1983-8-23 s.n. Yolo city of Davis, Old Davis rd. ca. 1/8 mi. south of I-80 interchange, roadside. 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
  UCD97262  Atriplex argentea var. expansa Collector unknown 1929-10-1 2049 Yolo near Davis. Comment
  JEPS41113  Atriplex argentea var. mohavensis Rimo Bacigalupi, L. R. Heckard, and C. L. Custer 1965-10-4 9121 Yolo along Kentucky Ave. (Road 20) ca 1/4 mi n Sewage Disposal Plant (1 1/8 mi ene of Woodland); ene of Woodland, n of Sewage Disposal Plant 10 Comment
  UCD33826  Atriplex depressa Beecher Crampton 1973-7-9 8973 Yolo Yolo County, 3 miles S.E. of Woodland (in direct line), county roads 25 X 103. Comment
  UCD62893  Atriplex depressa Erica Smith 2007-6-28 8 Yolo City of Woodland Alkali Grassland Preserve managed by Center for Natural Land Management at the intersection of County Roads 103 and 25. South side of County Road 25 4 Comment
  JEPS80669  Atriplex joaquinana L. R. Heckard with Dave and Mary Anne Showers 1981-5-30 5517 Yolo s of Road 25 and w of Road 103 about 3 mi se Woodland; se of Woodland Comment
  UCD62895  Atriplex joaquinana Erica Smith 2007-7-12 10 Yolo City of Woodland Alkali Grassland Preserve managed by Center for Natural Land Management at the intersection of County Roads 103 and 25. South side of County Road 25 4 Comment
  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
  UCD62930  Atriplex joaquinana Erica Smith 2007-7-12 10 Yolo City of Woodland Alkali Grassland Preserve managed by Center for Natural Land Management at the intersection of County Roads 103 and 25. South side of County Road 25 4 Comment
  UCD81018  Atriplex joaquinana Ellen Dean; D. Bales, M. Krug, L. Snyder, D. Dhakal, A. Franco 2009-4-1 5359 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Western side of property, near Mavis Henson sign. 9 Comment
  SEINET4135110  Atriplex joaquinana Howard C. Stutz 1990-8-15 95329 Yolo Located 3.5 miles SSE of Woodland, junction of Road 25 and Road 103.; 0 Comment
  CAS-BOT-BC168432  Atriplex parishii var. depressa H. C. Stutz 1995-8-7 9799 Yolo SE corner of Road 25 and 103 Comment
  UCD81062  Atriplex prostrata Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5596 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
  SBBG115957  Atriplex rosea B. Crampton 1985-9-5 10018 Yolo ca. 3.5 mi SE of Woodland, on Rd 25 Comment
  SEINET5641784  Atriplex rosea Ellen Dean, K. Anderson 2009-7-13 5781 Yolo City of Woodland. Woodland Regional Park. East side of County Road 102, just S of County Road 25. Old rodeo area with bare areas where buildings used to be.; 0 9 Comment
  UCD35234  Atriplex rosea Beecher Crampton 1954-9-22 2275 Yolo Yolo County, West Sacramento. Comment
  SEINET4135953  Atriplex rosea Beecher Crampton 1985-9-5 10018 Yolo 3.5 miles SE of Woodland on road 25.; 0 Comment
  RSA697342  Avena barbata Keith E. Hoffmaster 1941-3-26 s.n. Yolo Putah can. Comment
  UCD56142  Avena barbata Beecher Crampton 1956-3-29 3236 Yolo 3 miles northwest of Davis. Along County Road 29. Comment
  UCD58027  Avena barbata Ellen Dean; K. Mawdsley 2007-4-6 3566 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 442 Comment
  CAS-BOT-BC145893  Avena fatua W. D. Hamilton 1946-4-19 s.n. Yolo 4 miles north of Davis. Comment
  CDA112  Avena fatua J. A. Ogle Jun 1924 Yolo Davis. 0 Comment
  CDA36940  Avena fatua CDFA Staff s.n. Yolo Rominger Prop., north of County Road 19, east of County Road 92C, west of County Road 94B. 0 Comment
  UCD56321  Avena fatua Cay Collette 1975-4-5 1 Yolo Knight's Landing. Along levee. Approx. 100' from Sacrameto River. 15 Comment
  UCD56383  Avena fatua Beecher Crampton 1955-12-13 3212 Yolo 1/4 mile S of Davis. Along U.S. Hwy. 40, junction of Davis Road. Comment
  UCD72423  Avena fatua Ellen Dean 2008-4-25 4851 Yolo Tuleyome Ireland Ranch, central part of ranch along loop road. 621 Comment
  SEINET3919689  Avena fatua David Charlton 1990-3-3 4163 Yolo Abandoned agricultural field at the Davis Motel just north of the UC Davis Campus and adjacent to Hwy. 80.; 0 15 Comment
  UCD56459  Avena sativa J. Hardison 1989-5-11 133 Yolo Davis. Between Russell Blvd. and bike path. Comment
  SACT000421  Avena sativa 1925-5-9 Yolo Comment
  SEINET11696019  Avena sterilis Unknown 1978-5-24 T.O.s.n. Yolo UC Davis Campus, Agronomy Experimental Area, Plant Introduction Nursery row B-11 Comment
  UCD129420  Baccharis glutinosa J. M. Tucker 1951-10-31 2307 Yolo about 1 mile east of Sorroco Station, southeastern Yolo County. Comment
  CAS-BOT-BC98216  Baccharis salicifolia Roxana Stinchfield 1916-6-25 340 Yolo Mouth of Buckeye Cr. in creek gravel. Comment
  UCD129483  Baccharis salicifolia subsp. salicifolia Kay Ryugo 1952-4-12 1022 Yolo Putah Creek, 5 miles west of Winters. Comment
  UC1259001  Bacopa rotundifolia J. L. Strother 1976-6-24 1244 Yolo ca 1.5 mi n Knights Landing (on Route 113) Comment
  UCD97584  Bassia hyssopifolia R. N. Raynor 1941-8-11 s.n. Yolo near Clarksburg. Comment
  UCD150780  Bauhinia Robert Deering 1954-11-4 s.n. Yolo Yolo County, University of California, Davis Landscape Management Greenhouse. 15 Comment
  SEINET10732931  Beta vulgaris Stephanie Frischie 2000-10-7 Frischie 104 Yolo Davis Farmers' Market, Davis, CA. Comment
  UCD129597  Blennosperma nanum Carol W. Witham 2003-4-7 891 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  JEPS114055  Boehmeria cylindrica Robert E. Preston 2007-10-4 2581 Yolo 2.5 mi S of Clarksburg, along Sacramento River, ca. 200 m S of the boat ramp. Comment
  UCD80883  Boehmeria cylindrica Robert E. Preston 2007-10-4 2581 Yolo 2.5 miles S of Clarksburg, along Sacramento River, ca. 200 m S of the boat ramp. 1 Comment
  RSA167153  Boisduvalia glabella June McCaskill, Katherine Onaga 1963-6-26 665 Yolo South side of 2nd Street, 2 miles east of its junction with L Street, Davis Comment
  CAS-BOT-BC474757  Bolboschoenus fluviatilis Ellen Dean; T. Starbuck 2013-10-5 8004 Yolo UC Davis Restoria site on N side of Putah Creek between Old Davis Road and the railroad overpass. Putah Creek Vegetation Survey Plot DRR #3D 15 Comment
  UCD38960  Bolboschoenus fluviatilis Beecher Crampton 1961-8-11 5967 Yolo UC Davis campus, southeast of the airport along Putah Creek. Comment
  CHSC79376  Bolboschoenus glaucus Beecher Crampton 1952-10-31 902 Yolo Edge of a Typha stand. Comment
  JEPS41106  Bolboschoenus maritimus Rimo Bacigalupi, L. R. Heckard, and C. L. Custer 1965-10-4 9128 Yolo 1.9 mi ene Woodland (along north-south lateral (rd.) 0.9 mi n of Hebron siding (Sacramento Northern Railway)); ne of Woodland 10 Comment
  UCD140013  Bolboschoenus maritimus Rimo Bacigalupi; L. R. Heckard, C. L. Custer 1965-10-4 9128 Yolo Along north-south lateral (rd.) 0.9 mile north of Hebron siding (Sacramento Northern Railway). 1.9 miles east of Woodland flanking waste water disposal areas on both sides of road. 10 Comment
  UCD150644  Bolboschoenus robustus Laird Miers 1972-6-5 s.n. Yolo Putah Creek approx. 7 mi. W of Davis. Comment
  UCD56827  Bothriochloa laguroides subsp. torreyana Beecher Crampton 1968-9-6 8337 Yolo 2 miles west of Winters. Along State Hwy. 128. Comment
  UCD20183  Boussingaultia Cynthia Cheney 1969-8-22 s.n. Yolo Growing on south side of house at 411 University Avenue, Davis. 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
  UCR235456  Brassica hirta George K. Helmkamp, E. A. Helmkamp 2012-4-17 18781 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
  UCD114607  Brassica juncea R. Raynor 1937-4-27 s.n. Yolo Davis. Comment
  UCD165454  Brassica nigra Kai Battenberg 2016-8-6 KB 15 -1 Yolo Yolo County; Davis. Off of Chiles Road. 2.2 km East from Mace Boulevard. 0 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
  UCD41120  Brassica oleracea S. Greenleaf 2002-4-2 155 Yolo Eastern foothills of inner north coast range, Capay Valley. About 0.4 miles as the crow flies west of Guinda. Comment
  UCD114812  Brassica rapa P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co. Clarksburg -- Sacramento River. 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
  SEINET196503  Brodiaea capitata R. B. Griffith 1949-3-20 4 Yolo Putah Canyon Comment
  UCD139141  Brodiaea elegans subsp. elegans K. O'Keefe 1995-6-3 s.n. Yolo 100 m from west side of Cold Creek, 250 m from confluence with Putah Creek. Below and east of Lake Berryessa, on side of Highway 128. 120 Comment
  UCD59386  Brodiaea elegans subsp. elegans Ellen Dean; Kate Mawdsley 2007-6-8 3860 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
  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
  UCD73716  Brodiaea elegans subsp. elegans Ayzik Solomeshch 2004-5-14 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  UC1155614  Bromus G. L. Stebbins Jr. 1943-4-15 Yolo University of California, Davis Comment
  UCD33164  Bromus Beecher Crampton 1967-4-26 7842 Yolo Yolo County, Davis, B st. between 3rd. and 4th. streets. Comment
  UCD60272  Bromus Beecher Crampton 1974-7-9 s.n. Yolo UC-Davis Campus, Agronomy Experimental Area, Plant Introduction Nursery. Comment
  SEINET242019  Bromus arenarius Beecher Crampton 1960-5-26 T.O. 2509 Yolo UC Davis agronomy experimental area, plant introduction nursery Comment
  UCD57591  Bromus arenarius B. Crampton 1960-5-26 s.n. Yolo Davis campus. Agronomy Experimental Areas. Comment
  CAS-BOT-BC144294  Bromus arizonicus Beecher Crampton 1956-3-29 3238 Yolo Around S.P. railroad Station, Davis. Comment
  UCD35378  Bromus arizonicus Beecher Crampton 1956-3-19 3231 Yolo Yolo County, Davis. Comment
  UCD57698  Bromus arizonicus Beecher Crampton 1953-4-11 1073 Yolo Davis. Comment
  UCD57699  Bromus arizonicus Beecher Crampton 1953-5-4 1206 Yolo Davis. Comment
  SEINET259528 Image available Bromus carinatus var. carinatus G. D. Barbe 1991-5-31 4423 Yolo CULTIVATED ; CULTIVATED in test plots at Stewart Farms ConservaSeed Shasta Rd (County Rd 160) Comment
  UCD59130  Bromus carinatus var. marginatus E. G. Cakin 1947-4-29 s.n. Yolo University Farm, University of Calif. at Davis, Davis. Comment
  CAS-BOT-BC155805  Bromus catharticus Clarence R. Quick 1969-5-17 69 -03 Yolo Merritt Island, near junction of county roads #140 and 142, 3.5 miles south of Clarksburg. Comment
  CDA11342  Bromus catharticus G. F. Hrusa 1995-3-17 12023 Yolo Lawn grass at 178 1/2 Elm Street, Woodland. Lawn overgrown in very wet winter, this species flowered before cutting. 30 Comment
  UCD21324  Bromus catharticus J. Shepard 2000-6-2 288 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. In gravelly area of parking lot north of entrance road. 12 Comment
  RSA697040  Bromus diandrus Keith E. Hoffmaster 1946-4-15 1067 Yolo Davis. Comment
  RSA697041  Bromus diandrus Lois Weston 1942-4-20 1124 Yolo Davis. Comment
  UCD36840  Bromus diandrus Beecher Crampton 1956-3-19 3232 Yolo Yolo County, city of Davis, Southern Pacific Railroad Triangle. 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
  CAS-BOT-BC155609  Bromus diandrus Ball; Bellue 1933-5-1 s.n. Yolo Unspecified. Comment
  CDA1812  Bromus diandrus M. K. Bellue, C. R. Ball 1933-5-1 Yolo 0 Comment
  SACT000668  Bromus diandrus M. Wiesendanger 1927-4-29 Yolo Comment
  SEINET3922306  Bromus diandrus David Charlton 1990-3-3 4172 Yolo Abandoned agricultural field at the Davis Motel just north of the UC Davis Campus and adjacent to Hwy. 80.; 0 15 Comment
  RSA696344  Bromus hordeaceus Lois Weston 1942-4-20 1123 Yolo Davis. Comment
  UCD147285  Bromus hordeaceus Carol W. Witham 2003-4-11 948 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  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
  UCD58798  Bromus hordeaceus B. A. Madson 1925-4-20 s.n. Yolo Davis. Vacant lot. Comment
  UCD58809  Bromus hordeaceus Beecher Crampton 1956-5-10 3364 Yolo Yolo County, city of Davis, University of California campus, arboretum, old Putah Creek. Comment
  UCD80906  Bromus hordeaceus Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5310 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. 9 Comment
  UCR118895  Bromus hordeaceus Beecher Crampton 1985-4-17 9915 Yolo Sacramento Valley, Davis. 3rd Street near A Street and University Ave. 15 Comment
  UCR151584  Bromus hordeaceus Beecher Crampton 1960-4-26 5488 Yolo Sacramento Valley, city of Davis, along railroad 16 Comment
  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
  UCD58864  Bromus japonicus B. Ray 1950-6-1 s.n. Yolo Davis. Comment
  UC1040708  Bromus laevipes Beecher Crampton 1956-5-31 3492 Yolo foothills 3.5 mi w of Winters (border of Yolo-Solano Counties) Comment
  UCD63264  Bromus lanceolatus var. lanuginosus B. Jones 1945-5-1 Yolo At Davis. Comment
  UCD56758  Bromus madritensis subsp. rubens Ellen Dean; M. Bibbo 2007-3-23 3450 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Western/Central portion of ranch near unimproved access loop road. 624 Comment
  SEINET3922236  Bromus rigidus W. P. Hackett 1960-5-14 32 Yolo On dirt road 0.3 mile south of Pomology Department's spray shed, University of California campus, Davis, CA.; 0 Comment
  UCD59567  Bromus rubens E. G. Cakin 1947-3-27 s.n. Yolo Davis. Comment
  UCD59665  Bromus stamineus Beecher Crampton 1958-5-27 4835 Yolo Along pathway, Hunt Hall, UC Davis Campus. Comment
  UCD59707  Bromus sterilis Beecher Crampton 1956-3-19 3233 Yolo Along railroad, Davis. Comment
  UCD59718  Bromus sterilis Beecher Crampton 1957-3-12 3897 Yolo Triangle, Southern Pacific R. R. Station, Davis. Comment
  UCD37301  Bromus tectorum Beecher Crampton 1959-5-11 5207 Yolo Yolo County, 7 miles west of city of Winters, Vaca Mountains, Putah Creek Canyon, Cannon Ball Recreation Area. Comment
  SEINET241291 Image available Bromus trinii Beecher Crampton 1961-9-30 T.O. 2483 Yolo UC Davis agronomy experimental area, plant introduction nursery, row 20. Comment
  SEINET3923676  Bromus willdenowii Beecher Crampton 1970-3-9 8534 Yolo Uc Davis, Dairy road. Parking lot planting.; 0 Comment
  UC735707  Calandrinia ciliata Walter Russell 1947-4-5 1894 a Yolo Davis Comment
  UCD15293  Calandrinia ciliata Claire Warshaw 1985-4-10 1 Yolo city of Davis, near intersection of Highway 113 and Hutchison Drive. 12 Comment
  UCD67388  Calandrinia ciliata Christine Armer 1992-4-18 1 Yolo Davis, Putah Creek Road near Stevenson Bridge Road, edge of orchard. 15 Comment
  CDA11292  Calendula arvensis G. F. Hrusa 1994-6-11 11887 Yolo Central Valley; UC Davis. Field south of Environmental Horticulture Dept. Comment
  HSC93545  Calendula arvensis G. Fred Hrusa 1994-6-11 11887 Yolo south of Environmental Horticulture Dept. 50 Comment
  UCD160565  Callitriche marginata Ellen Dean; Craig Thomsen 2015-3-21 8614 Yolo Audubon Bobcat Ranch. Southwestern part of ranch, just north of Hwy 128 and N of Putah Creek. Area E of Bray Canyon where transmissionl lines are present. Bottom of drainage that flows downslope from escarpment labeled 'spring' on topo maps. Near undeveloped road. 118 Comment
  UCD80826  Callitriche marginata Ellen Dean 2009-3-22 5284 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
  UCR219525  Callitriche marginata Jean V. Shepard 2004-3-7 634 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, 3.5 mi south on Mace Blvd. (Co. Road 104) from intersection of Hwy I-80 and Mace Blvd., 0.4 mi east on unpaved entrance road, and 0.2 south 12 Comment
  UCD39217  Calochortus amabilis Beecher Crampton 1953-4-7 1060 Yolo Capay Valley. Comment
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Feb 17 2006
  UCD62863  Calochortus amabilis Tavis Forrester; Plant Biology 102 students 2008-4-6 2 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. 109 Comment
  SBBG35345  Calochortus luteus J. Sieferman 1969-5-9 Yolo 2 mi W of Zamora Comment
  SEINET8495396 Image available Calochortus pulchellus C. W. Rottschalk 1954-4-28 41 Yolo South slope of Putah Canyon; beside State Highway 28, 10 miles west of Winters. Comment
  CAS-BOT-BC270869  Calycadenia pauciflora Roxana Stichfield 1916-7-1 368 Yolo [D'Ayly?] Sheep Ranch, above Buckeye Creek Comment
  CAS-BOT-BC270866  Calycadenia pauciflora Gerald D. Carr 1971-9-15 659 Yolo 3.0 miles E of Lake County line on Rieff - Rayhouse Road, NE Roadside slope Comment
  RSA255529  Calycadenia pauciflora Gerald D. Carr 1971-9-15 659 Yolo 3 miles east of Lake County line on Rieff-Rayhouse Road Comment
  RSA255583  Calycadenia pauciflora Gerald D. Carr 1971-9-16 661 Yolo 4.2 miles SW of Guinda on Road 53. 495 Comment
  UCD39205  Calycanthus occidentalis Beecher Crampton 1953-5-19 1310 Yolo 9 miles west of Winters, along canyon slopes of Putah Creek. Comment
  UCD100313  Calyptridium quadripetalum Mark A. Hershkovitz ca. 10 Jun 1991 Yolo Yolo (?) Co.: nr. Lake and Napa Cos.: Along Rayhouse Rd. (becomes Reiff Rd.) e. of descent to Knoxville-Berryessa Rd. Comment
  UCR244758  Calystegia occidentalis subsp. occidentalis Jean V. Shepard 2011-8-20 853 Yolo NE of Woodland, from intersection of county roads 102 & 16, east on road 16 to T. Right on Rd 16A around Gray's Bend about 2 miles to private dirt road on left. Site is just east of Sutter Co. line. 14 Comment
  CDA16258  Calystegia occidentalis subsp. occidentalis G. F. Hrusa 1997-10-13 14119 Yolo Sacramento Valley; Sacramento R. immediately S of I-5 ~ 5 mi E of Woodland (near tule canal). 0 Comment
  UCD13305  Calystegia purpurata Bill Chally 1989-6-2 24 Yolo Yolo CO. T8N, R2W, Sec 29, SE 1/4. Stebbins Reserve. Elevation 440 feet. 134 Comment
  POM256525  Camissonia graciliflora E. K. Crum 1938-5-7 2006 Yolo Comanche Hills, Inner North Coast Range, 3.5 miles northwest of Rumsey 213 Comment
  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
  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
  UCR237641  Capsella bursa-pastoris George K. Helmkamp, E. A. Helmkamp 2012-3-9 18613 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
  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
  SEINET5341009  Capsella bursa-pastoris G. Cook 1959-3-27 5 Yolo Collected 2 miles west of Davis. 12 Comment
  SFV1431  Capsella bursa-pastoris E. B. Risley 1961-2-13 101 Yolo Sacramento Valley Davis. Open field at 5th and I Streets. Comment
  SFV8745  Capsella bursa-pastoris J. Glover 1972-3-17 14 Yolo Sacramento Valley Davis. University of California campus. Field across from Briggs Hall. Comment
  UCD114123  Capsella bursa-pastoris Beecher Crampton 1957-3-26 3898 Yolo Landscape Management Plots, UC Davis Campus. Comment
  UCD114159  Capsella bursa-pastoris Collector unknown 1925-3-12 s.n. Yolo Davis. 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
  UCD83576  Cardamine hirsuta Jean Shepard 2010-4-3 836 Yolo City of Davis, Mace Ranch subdivision. Intersection Costa Mesa and Carmelo, SW corner. Comment
  SEINET8414740  Cardamine oligosperma J. M. Tucker 1958-3-29 3372 Yolo Botany Greenhouse; University of California, Davis. 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
  CDA36934  Carduus pycnocephalus CDFA Staff s.n. Yolo Rominger Prop., north of County Road 19, east of County Road 92C, west of County Road 94B. 0 Comment
  UCD20858  Carduus pycnocephalus N. Nicola 2001-2-5 075 Yolo Sacramento Valley, 4 miles west of Woodland, at Cache Creek Nature Preserve, riparian zone of Cache Creek. Comment
  UCD62872  Carduus pycnocephalus Chris Mosser; Plant Biology 102 students 2008-5-3 2 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. West side of Bray Creek. 100 Comment
  UCD150944  Carduus pycnocephalus subsp. pycnocephalus D. S. Park; K. Mawdsley 2010-4-22 25 Yolo Stebbins Cold Canyon area west of creek. 81 Comment
  UCD135904  Carduus pycnocephalus subsp. pycnocephalus T. C. Fuller 1964-5-14 11958 Yolo North side of River Rd., e. limits of Woodland. Comment
  UCD140506  Carex lenticularis var. limnophila Cay Collette 1975-5-31 22 Yolo Knight's Landing. 25' from Sacramento River. 15 Comment
  CAS-BOT-BC117397  Carex senta Clarence Roy Quick 1972-7-22 72 -14 Yolo On E band of E levee of Merritt Island, at jtn of road 142, ca 20 mi SSW of Sacramento, Comment
  UCD143963  Carya illinoinensis Ellen Dean; A. Lal 2013-7-16 7823 Yolo North side of Putah Creek at town of Winters. Property of M. Barbour, south of walnut orchard at end of Liwai Village Court near confluence of Putah Creek and Dry Creek. Putah Creek vegetation Survey areas DCC 1 and 2 at Dry Creek confluence site. 39 Comment
  UCD39935  Cassia occidentalis Beecher Crampton 1964-10-27 s.n. Yolo UC Davis Campus, Veg. Crop grown. Comment
  SEINET10878225  Castanea Stephanie Frischie 2000-10-14 Frischie 152 Yolo Davis Farmers' Market, Davis, CA. Comment
  RSA734133  Castilleja Keith E. Hoffmaster 1946-4-13 1243 Yolo Putah Canyon. Comment
  UCD82080  Castilleja applegatei Robin McMaster 1973-4-15 303 Yolo 3 mi NW Rumsey on Hwy 16. 152 Comment
  JEPS22033  Castilleja applegatei subsp. martinii Rimo Bacigalupi with Drs. Herbert and Lucille Mason 1958-4-22 6276 Yolo 2.5 mi nw Rumsey (just e of mouth of Pocket Gulch, along Calif Hwy 16, in canyon of Cache Creek); Cache Creek 160 Comment
  JEPS42531  Castilleja applegatei subsp. martinii G. L. Stebbins Jr. 1966-2-22 6306 Yolo s slope Glasscock Mountain (n side of Cache Creek Canyon); Cache Creek Canyon 457 Comment
  RSA654129  Castilleja applegatei subsp. martinii Beecher Crampton 1953-2-26 985 Yolo 5 miles west of city of Winters, Monticello Road, Putah Canyon. Comment
  UCD122267  Castilleja applegatei subsp. martinii Rolf Y. Berg 1964-3-14 8006 Yolo State Highway 16, ca. 2.5 miles northwest of Rumsey. Comment
  UCD21414  Castilleja attenuata J. Shepard 2002-4-6 504 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 100 yards west of Department of Defense fence, then 200 yards north of south fence (Rd. 36). 12 Comment
  UCD56755  Castilleja attenuata Ellen Dean; M. Bibbo 2007-3-23 3447 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Western/Central portion of ranch near unimproved access loop road. 624 Comment
  CAS-BOT-BC241257  Castilleja campestris Lowell Ahart 2007-5-12 13816 Yolo About 100 yards southwest of the second power tower, about 300 yards north of Fruitland Road, about 13 miles (air) northeast of Marysville 28 Comment
  SEINET13767993  Castilleja densiflora Schank 1959-3-28 s.n. Yolo Above the Monticello Dam, ca 4 miles W of Winters. 305 Comment
  UCD122411  Castilleja exserta J. D. Skoss 1948-6-6 27 Yolo Putah Canyon, 2 miles below Yolo-Napa county line. Comment
  UCD122455  Castilleja exserta M. Wiesendanger 1927-4-29 632 Yolo Capay. Comment
  SFV8325  Castilleja exserta D. C. Fruchtenicht 1965-4-27 11 Yolo Along Putah Creek. 3 miles west of Winters. On steep, south-facing roadbank. 152 Comment
  SEINET5739668 Image available Castilleja exserta subsp. exserta C. B. Shah 1960-1 5 Yolo Hilly area, sloping south side toward creek, near scout cabin along Cache Creek Canyon, State Hwy 16, ca. 2 miles NW of Rumsey.; Rumsey 122 Comment
  JEPS8774  Castilleja foliolosa W. L. Jepson 1934-7-28 16745 Yolo Rumsey Comment
  UCD168488  Castilleja foliolosa Ellen Dean 2017-3-15 9278 Yolo Audubon Bobcat Ranch, lands north of Hwy 128, just east of Monticello Dam. Bray Canyon and vicinity on the western side of ranch. Ranch burned once each year in 2014, 2015, 2016. 2017 has been a high rainfall year. South-facing hillslope above tributary to Bray Creek on west side of Bray Canyon. 182 Comment
  UCD168990  Castilleja foliolosa Ellen Dean; C. Thomsen and M. Hoshovsky 2017-3-29 9293 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
  UCD160542  Caulanthus lasiophyllus Ellen Dean; Craig Thomsen 2015-3-21 8596 Yolo Audubon Bobcat Ranch. Western part of ranch, just north of Hwy 128 and N of Putah Creek. Area E of Bray Canyon at base of large escarpment labeled 'spring' on topo maps. Burned in 2014. 220 Comment
  UCD55502  Caulanthus lasiophyllus J. Shepard 2001-3-16 400 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east .2 mi. along unpaved entrance road, then nearly .5 mi south toward Co. Rd. 36, 20 yd. north of the road. 12 Comment
  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
  UCD114588  Caulanthus lasiophyllus K. Esau 1933-4-20 s.n. Yolo Davis Comment
  CAS-BOT-BC49335  Ceanothus cuneatus Ella Dales Cantelow 1940-3-9 4290 Yolo Putah Creek Canyon near Red Bud Park Comment
  CAS-BOT-BC49338  Ceanothus cuneatus Alice Eastwood 1927-3-28 14225 Yolo Near Winters 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
  UCD34944  Ceanothus griseus var. horizontalis Beecher Crampton 1992-5-27 s.n. Yolo Yolo County, Davis. Comment
  UC912400  Ceanothus integerrimus Ethel Crum 1938-5-7 1999 Yolo Cache Creek canyon Inner North Coast Ranges (4 mi n of Rumsey.) 152 Comment
  CHSC83129  Ceanothus maritimus Andrew T. Leiser 1979-3-22 Yolo B6, R32, P37, UCD. Comment
  UCD57828  Cenchrus longispinus Beecher Crampton 1968-9-6 8341 Yolo Vaca Mtns., Putah Creek Canyon, State Hwy. 128, 7.9 miles west of Winters. Comment
  UC735718  Centaurea calcitrapa Charles B. Heiser Jr. 1947-6-1 1923 Yolo Davis Comment
  CAS-BOT-BC276975  Centaurea calcitrapa E. D. Tompkins 1968-4-21 s.n. Yolo H. Willis Tompkins prop., Co. Rd. 57 & Hwy 16, Guinda Comment
  CDA18062  Centaurea calcitrapa J. Young 1999-7-29 PDR 1226231 Yolo Winters. 0 Comment
  CDA7093  Centaurea calcitrapa L. Moore 1953-4-1 Yolo 1 mile east of Guinda. 0 Comment
  UCD130004  Centaurea calcitrapa Chas. B. Heiser Jr. 1947-7-10 1923 -a Yolo Davis. Comment
  UCD130013  Centaurea calcitrapa J. Young 1999-7-29 PDR 122623 1 Yolo Winters. Comment
  CDA32975  Centaurea iberica Dave Minnesang & Phyllis Hiatt 1979-6-7 Yolo South of Davis on Road 106; Glides Tule Ranch. 0 Comment
  UCD59350  Centaurea melitensis Ellen Dean; Kate Mawdsley 2007-5-11 3774 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Northeastern section of ranch. 445 Comment
  UCR257141  Centaurea solstitialis George K. Helmkamp, Mary Alice Barnes 2013-5-8 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 13 Comment
  CDA7317  Centaurea solstitialis G. D. Barbe 1980-4-16 2572 Yolo Southwest corner County Roads 14 & 88, north of Esparto. 0 Comment
  UCD15685  Centaurea solstitialis David Uyeno 1989-6-4 8 Yolo Chiles Rd, Davis. 12 Comment
  CDA15765  Centaurium tenuiflorum G. F. Hrusa, T. D. Wilfred 1998-8-15 14766 a Yolo Central Valley; Tule Canal, 1/4 N of Hwy 16. Comment
  JEPS46947  Centaurium trichanthum Willis L. Jepson 1892-7-27 14637 Yolo near Winters Comment
  UCD21319  Centromadia fitchii J. Shepard 2000-5-26 277 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road almost to east boundary of park. Then approximately 50 feet south in low area. 12 Comment
  CAS-BOT-BC279097  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-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-BC279107  Centromadia parryi subsp. rudis H. M. Hall 1916-8-10 10278 Yolo Woodland, Sacramento Valley Comment
  CAS-BOT-BC279108  Centromadia parryi subsp. rudis H. M. Hall 1923-10-11 11919 Yolo W. end of Yolo Causeway Comment
  UCD149583  Centromadia parryi subsp. rudis Ayzik Solomeshch 2005-8-5 s.n. Yolo Yolo Grasslands Park, intersection of Co. Rds. 104 and 36. Near Doppler radar station. Plot DOD 2. 8 Comment
  UCD35197  Centromadia parryi subsp. rudis Beecher Crampton 1953-9-30 1628 Yolo 1.5 miles northeast of Davis. Comment
  UCD130202  Centromadia pungens P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Company. Clarksburg, Sacramento River. Comment
  UCD81886  Centromadia pungens Ellen Dean; K. Anderson and ethnobotany foraging group 2009-6-20 5780 Yolo City of Davis. Davis Cemetery on Pole Line Rd. Back area (eastern part) of cemetery that is undeveloped. 5 Comment
  UCD130254  Centromadia pungens M. Wiesendanger 1927-4-29 609 Yolo Woodland. 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
  UCD69691  Centromadia pungens Ravinder Hundal 1982-6-6 29 Yolo Davis, in field south of Faro and F Street junction. 150 yards south of Faro and 100 yards west of F Street. Dominant, growing with bunch grass. In very dry soil. Herb, 30cm tall with yellow flowers. 13 Comment
  CAS-BOT-BC279413  Centromadia pungens subsp. pungens David D. Keck 1932-7-7 1731 Yolo About 6 mi. S. of Woodland, (3 mi. N. of intersection with Sacramento road) 30 Comment
  UC917137  Centromadia pungens subsp. pungens H. Popenoe 1949-5-1 15 Yolo 2.5 mi ne of Davis; Pole Road Comment
  CAS-BOT-BC279405  Centromadia pungens subsp. pungens Beecher Crampton 1978-9-13 9665 Yolo Ca. 3 miles east of Woodland along Hwy. 16, 1 mile east of its junction with county road 102 Comment
  CAS-BOT-BC223001  Cephalanthus occidentalis C. R. Quick 1972-7-30 72 -27 Yolo On east levee of Elk Slough, road 144, Merritt Island, 20 miles SSW of Sacramento, SW corner of Yolo Co. Comment
  CDA29869  Cephalanthus occidentalis M. K. Beyers 2009-7-18 174 Yolo Putah Creek; along trail, parallel with creek s edge. Downstream from the Monticello Dam and adjacent to the small island (AKA Coyote-tooth Island) that forks Putah Creek. 0 Comment
  UCSB62932  Cephalanthus occidentalis Sarr, Dan 1995-7-26 Yolo No data 30 Comment
  RSA696189  Cerastium glomeratum Keith E. Hoffmaster 1939-4-6 s.n. Yolo Putah Canyon Comment
  UCD21378  Cerastium glomeratum J. Shepard 2001-3-26 419 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 4 mi. south on Mace Blvd. (County Road 104), thence east 0.5 miles along County Road 36. About 50 yards north of fence at road and 100 yards west of Department of Defense property fence. 12 Comment
  UCD80944  Cerastium glomeratum Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5347 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Old rodeo area. Buildings gone now. 9 Comment
  CAS-BOT-BC207759  Cercis occidentalis Camille F. Nowell 2011-6-14 14 Yolo Hwy. 128 just E of the Monticello Dam at Canyon Creek Resort. 61 Comment
  CAS-BOT-BC207760  Cercis occidentalis Camille F. Nowell 2011-6-13 11 Yolo McLaughlin Natural Reserve. Approx. 13 mi. E of Lower Lake on the Davis Creek access road. 1/2 mi. N from Knoxville-Berryessa Road. 598 Comment
  CAS-BOT-BC207762  Cercis occidentalis Alice Eastwood 1927-3-28 14227 Yolo Near Winters Comment
  HSC98221  Cercis occidentalis W. R. Rogers 1966-5-8 245 Yolo Hwy. 16, 3 mi. W of Rumsey. Comment
  SEINET6330022 Image available Cercis occidentalis George K. Helmkamp, E. A. Helmkamp 2009-3-24 14447 Yolo Inner North Coast Range; along CA-128, 6.1 miles west of Winters and beside Putah Creek 49 Comment
  UCD105630  Cercis occidentalis Beecher Crampton 1952-10-28 893 Yolo Yolo County, 5 miles west of city of Winters, on south bank of Putah Creek. Comment
  UCD105657  Cercis occidentalis Andreas Stohr 1996-4-21 1 Yolo Along Road 128, near to Cold Canyon Preserve. Comment
  UCD105666  Cercis occidentalis M. Wiesendanger 1927-5-4 643 Yolo Putah Canyon. Comment
  UCD56740  Cercis occidentalis Ellen Dean; M. Bibbo 2007-3-23 3432 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SW portion of ranch. 703 Comment
  UCR206282  Cercis occidentalis George K. Helmkamp, E. A. Helmkamp 2009-5-20 14729 Yolo Inner Coast Range, west side of Cache Creek along CA-16, 5.5 miles southeast of the Colusa County line 177 Comment
  UCR207823  Cercis occidentalis George K. Helmkamp, E. A. Helmkamp 2009-3-24 14447 Yolo Inner North Coast Range, along CA-128, 6.1 miles west of Winters and beside Putah Creek 49 Comment
  UCSB25090  Cercis occidentalis Masero, Ann 1967-2-12 Yolo On west side of Highway 16; 4.1 miles south of Bear Creek; in inner North Coastal Ranges 518 Comment
  UCD112964  Cercocarpus betuloides Collector Unknown Date Unknown s.n. Yolo Western Yolo County. Comment
  UCD105668  Chamaecrista fasciculata R. A. Pendleton 1934-8-3 s.n. Yolo Davis. Comment
  UCD34228  Chamomilla suaveolens Beecher Crampton 1978-5-8 9581 Yolo 1/4 mile south of Saxon Station. Comment
  UCD38889  Chenopodium album Beecher Crampton 1959-11-12 5470 Yolo Putah Creek bed. UCD Arboretum. Comment
  UCR220394  Chenopodium album Jean V. Shepard 2000-5-26 273 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, from intersection of I-80 and Mace Blvd., 3.5 miles south on Mace Blvd. (County Rd 104), east along unpaved entrance road. Parking lot on north side of entrance road 12 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
  UCD73835  Chenopodium berlandieri Jean Shepard 2008-7-9 818 Yolo City of Davis, Covell Blvd. to Alhambra Dr., at entrace to Mace Ranch subdivision. 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
  UCD167904  Chenopodium murale Art M. Shapiro 2016-9-12 s.n. Yolo Winters. Under Railroad Ave. bridge over Putah Creek. Comment
  CDA3037  Chenopodium murale J. M. DiTomaso 2006-9-6 s.n. Yolo UC Davis campus, southwest corner of Plant and Environmental Sciences building. 0 Comment
  UCD38521  Chenopodium murale Beecher Crampton 1955-11-11 3209 Yolo UC Davis Campus. Comment
  UCD21524  Chenopodium rubrum A. M. Shapiro 2002-10-17 s.n. Yolo West Sacramento, 0.5 miles west of Harbor Blvd. Comment
  UCD98366  Chenopodium rubrum A. M. Shapiro 1994-10-24 s.n. Yolo West Sacramento, E. Levee Yolo Bypass. 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
  UCD35611  Chenopodium strictum Beecher Crampton 1958-11-10 5138 Yolo UC Davis Campus, Pomology. Comment
  UCD21315  Chenopodium vulvaria J. Shepard 2000-5-20 266 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. Parking lot on north side of entrance road. 12 Comment
  UC1053303  Chilopsis linearis subsp. arcuata June McCaskill 1954-8-6 355 Yolo in garden at 631 Oak Ave. Davis Comment
  UCD57917  Chloris gayana P. B. Kennedy 1914-9-5 s.n. Yolo Davis. Comment
  CAS-BOT-BC184890  Chloris virgata Beecher Crampton 1955-8-27 3140 Yolo Along US Highway 99W, 3 miles north of Davis. Comment
  CHSC79399  Chloris virgata Beecher Crampton 1955-8-23 3140 Yolo 3 miles north of city of Davis, along U. S. Highway 99W. Comment
  SBBG115852  Chloris virgata B. Crampton 1988-9-6 10143 Yolo Rd 98, just N of jct with Rd 25A Comment
  UC1040705  Chloris virgata Beecher Crampton 1955-8-27 3140 Yolo along US Hwy 99W 3 mi n Davis Comment
  UCD170327  Chloropyron palmatum Beecher Crampton 1978-6-26 9606 Yolo 4 miles S.E. of Woodland. Comment
  UCD170329  Chloropyron palmatum Beecher Crampton 1978-6-26 9606 Yolo 4 miles S.E. of Woodland. Comment
  SEINET12239573  Choisya ternata R. E. Tanner 1955-3-21 24 Yolo 614 Oak Avenue, Davis Comment
  CAS-BOT-BC39660  Chorispora tenella Beecher Crampton 1969-4-7 8395 Yolo Woodland, Cross and East streets. Comment
  UCD59329  Chorizanthe membranacea Ellen Dean; Kate Mawdsley 2007-5-11 3753 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Central part of ranch. 637 Comment
  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
  UCD130494  Cichorium intybus J. D. Skoss 1948-8-12 87 Yolo University of California campus, Davis. Comment
  UCD130495  Cichorium intybus J. D. Skoss 1948-8-12 87 Yolo University of California campus, Davis. Comment
  UCD39743  Cinnamomum zeylanicum Beecher Crampton 1978-10-25 s.n. Yolo Collected Univ. Hawaii Agric. Exper. Sta. Kauai Branch Sta. Near Wailua. Plantation of shrubs to 8 ft. Comment
  UC91571  Cirsium cymosum var. cymosum J. W. Blankinship 1893-5-16 Yolo Woodland Comment
  UCD20894  Cirsium occidentale N. Nicola 2001-1-5 122 Yolo Eastern foothills of inner north coast range, Capay Valley, on roadside of Hwy. 16, about 1.5 mi. NW of Rumsey. Comment
  UCD20577  Cirsium occidentale var. venustum E. Dean; with M. Bibbo 2002-7-5 1118 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 3.4 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 640 Comment
  UCD104015  Clarkia affinis L. P. Thibault 1995-5-21 45 Yolo NW edge of Highway 128, ca. 1/2 mile E of Monticello Dam. 125 Comment
  UCD160161  Clarkia affinis Aaron Goodman 2015-4-12 4 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. 144 Comment
  UCD23194  Clarkia affinis A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCD23420  Clarkia concinna John Warren 1977-5-15 17 Yolo Side canyon north of Hwy 128, 3.7 miles west of junction with Rd. 86. Comment
  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
  UC144377  Clarkia purpurea subsp. quadrivulnera C. F. Baker 5065 Yolo Cache Creek Canyon Comment
  UCD70201  Clarkia purpurea subsp. quadrivulnera D. Sanchez-Mata 1998-6-24 s.n. Yolo Rumsey. Cache Creek Ridge. Cache Creek Canyon Regional Park. 170 Comment
  CDA30843  Clarkia unguiculata M. Beyers 2010-5-12 438 Yolo Vicinity of Esparto, east side of County Road 87, at Cache Creek bridge. 55 Comment
  UCD59345  Clarkia unguiculata Ellen Dean; Kate Mawdsley 2007-5-11 3769 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Central part of ranch. 539 Comment
  UCD100580  Claytonia exigua Rolf Y. Berg 1964-3-14 8018 Yolo State Highway 16, ca. 2.5 miles northwest of Rumsey, on steep, north-facing slope south of bridge. Comment
  UCD56703  Claytonia parviflora Ellen Dean; M. Bibbo 2007-3-23 3396 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
  UCD48081  Claytonia parviflora subsp. parviflora A. Laffin; S. Holck, A. Randall 2002-4-12 10 Yolo Yolo County, 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, south of running stream, 11 yards from the N side of the road. 488 Comment
  UCD81013  Claytonia parviflora subsp. parviflora Jose-Luis Rayas; with PLB 102 students 2009-4-26 5 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Bray Canyon, along old road. 113 Comment
  SFV8733  Claytonia parviflora subsp. parviflora R. H. Saigo 1961-4-24 16 Yolo Sacramento Valley Davis. 703 3rd Street. 15 Comment
  UCD21220  Claytonia perfoliata J. Shepard 2000-3-24 89 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 entrance road just beyond parking lots. 12 Comment
  UCD73108  Claytonia perfoliata Ellen Dean; Susan Xhang, Christa Lindsey, Chris Mosser 2008-5-3 4898 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Along Bray Creek, by creek crossing. 100 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
  UCD100794  Claytonia perfoliata subsp. perfoliata F. H. Bolster 1912-4-1 s.n. Yolo Davis. Comment
  HSC43965  Clematis lasiantha Robert M. Specht 1977-4-12 639 Yolo NE facing slope above Davis Creek 640 Comment
  UCD95606  Clematis lasiantha Joseph M. DiTomaso 1976-4-9 387 Yolo Below Monticello Dam, Lake Berryessa, south facing slope above Putah Creek. 121 Comment
  UCR141659  Clematis lasiantha Katherine Esau 1933-5-24 s.n. Yolo Coast Range, Putah Canyon [Solano Co.?] Comment
  UCD95594  Clematis ligusticifolia J. D. Skoss 1948-8-12 74 Yolo Bank of Putah Creek, UC Davis campus, UC Davis. Comment
  UCD170944  Cleome gynandra 2018-6-19 s.n. Yolo University of California, Davis. Agricultural fields to the south of Hutchison Drive to the west of Hwy 113 and the east of the airport. Old Vegetable Crops Field Headquarters area. 18 Comment
  UCD170945  Cleome gynandra 2018-6-19 s.n. Yolo University of California, Davis. Agricultural fields to the south of Hutchison Drive to the west of Hwy 113 and the east of the airport. Old Vegetable Crops Field Headquarters area. 18 Comment
  SEINET12239569  Coleonema pulchrum D. K. Sexton 1956-4-8 261 Yolo Christian Science Church, SE corner Sixth & D Streets, Davis Comment
  UCD48211  Collinsia heterophylla Ryan Knox; E. McDermott, G. Walden 2002-4-13 15 Yolo Yolo Co., McLaughlin Reserve, W side of Davis Creek Reservoir, along road that goes from Soda Spring area to Rayhouse Rd. 0.5 airline mile due N of Soda Springs and 1.0 airline mile WNW of UC Davis Aquatic Lab facility. 487 Comment
  UCD73250  Collinsia heterophylla Ellen Dean; Susan Xhang, Christa Lindsey, Chris Mosser 2008-4-17 4831 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. 77 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
  RSA412228  Collinsia sparsiflora Joseph A. Ewan 1934-3-18 8680 Yolo Putah Creek, 8 miles above Winters. Comment
  UCD123667  Collinsia sparsiflora var. collina James Arthur 1966-2-5 14 Yolo 3/4 mile east of Monticello Dam, State Highway 128. Comment
  UC723816  Collinsia sparsiflora var. sparsiflora Joseph Andorfer Ewan 1934-3-18 8680 Yolo 8 mi above Winters; Putah Creek Comment
  UC766271  Collinsia sparsiflora var. sparsiflora R. F. Hoover 1938-2-22 2767 Yolo Putah Creek Canyon 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
  UCD48209  Collinsia sparsiflora var. sparsiflora A. Laffin; S. Holck, and A. Randall 2002-4-13 16 Yolo Yolo County, McLaughlin UC Reserve, W side of Davis Creek Reservoir, along road that goes from Soda Springs to Rayhouse Rd.; due N of Soda Spring and ca. 1.0 airline mile WNW of UC Davis Aquatic Lab facility. Along side of running stream where road travels east-west for a short distance, ca. 55 yads. From the N side of the road. 488 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
  UCD39211  Conium maculatum Beecher Crampton 1953-5-28 1345 Yolo 2 miles west of West Sacramento. East end of the Yolo Causeway. Comment
  UCD127312  Conium maculatum H. B. Nidever 1951-4-12 13 Yolo about 3 miles NE of Davis. Comment
  CAS-BOT-BC216008  Convolvulus C. R. Quick 1974-7-21 74 -2 Yolo East levee of Elk Slough, west side of levee-top road (Road 144), south of Road 142, Merritt Island, about 20 mile SSW of Sacramento Comment
  UCD13410  Convolvulus arvensis K. Meares 1996-9-24 15 Yolo City of Davis, northern part. In field at end of Encina Ave. 15 Comment
  UCD62918  Convolvulus arvensis Christa Lindsey; Plant Biology 102 students 2008-5-3 9 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Near entrance to Bray Canyon. Close to entrance gate and Hwy 128. 60 Comment
  SFV8756  Convolvulus arvensis D. Barber 1974-5-28 41 Yolo Sacramento Valley Davis. Alogn bike path at corner of Russell Boulevard and La Rue Road. Comment
  UCD14213  Convolvulus arvensis Joan Alleguer 1974-5-20 43 Yolo Yolo County; U.C. Davis campus, near the medical school 15 Comment
  UCD14943  Convolvulus arvensis F. Takeda 1977-4-24 45 Yolo California, Yolo Co.; 4.4 miles east of Winters on County Road 32, on untilled land adjacent to an almond orchard; 33 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
  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
  CHSC79211  Cordylanthus palmatus Beecher Crampton 1978-6-26 9606 Yolo 4 miles SE of Woodland. Comment
  UCD33598  Coreopsis Beecher Crampton 1970-6-22 8623 Yolo UC Davis campus, Dairy barn lawn. Comment
  UCD20864  Coriandrum sativum N. Nicola 2001-7-5 081 Yolo Sacramento Valley, 4 miles west of Woodland, at Cache Creek Nature Preserve, riparian zone of Cache Creek. Comment
  SEINET892931  Coronilla emerus B. J. McCaskill 1954-1 222 Yolo In yard at 709 7th Street, Davis. Comment
  CAS-BOT-BC190028  Cortaderia selloana June McCaskill; Katherine Onaga 1964-10-2 690 Yolo Lining dirt road skirting south side of Home Economics Building, University of California campus, Davis. Comment
  CDA20328  Cotula australis Sheri Gill 2005-4-25 s.n. Yolo Hwy 128, immediately west of Winters. 0 Comment
  UCD130878  Cotula australis Chas. Heiser Jr. 1947-2-15 1878 Yolo Davis. Comment
  UCD35487  Cotula australis Beecher Crampton 1957-4-5 3917 Yolo UC Davis campus, east of Animal Science Building. Comment
  UCD101828  Crassula connata Robert C. Bechtel 1952-3-16 23 Yolo Putah Canyon. 60 Comment
  UCD146833  Crassula connata Carol W. Witham 2003-4-9 909 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCR267865  Crassula tillaea Jean V. Shepard 2010-3-24 833 Yolo City of Davis, Myrtle Place 12 Comment
  UC735715  Cressa truxillensis Charles B. Heiser Jr. 1947-6-10 1932 Yolo West Sacramento Comment
  UCD126222  Cressa truxillensis P. B. Kennedy 1916-7-23 s.n. Yolo Holland Land Company, Clasksburg-Sacramento River. Comment
  UCD37036  Cressa truxillensis Beecher Crampton 1956-7-13 3704 Yolo Yolo Bypass. Comment
  SEINET4207100  Cressa truxillensis T. J. Mumma 1910-9-2 s.n. Yolo Dunnigan, CA.; 0 Comment
  UCD125724  Cressa truxillensis Beecher Crampton 1978-6-27 9617 Yolo 4 miles S.E. of Woodland. Comment
  UC1360437  Crossandra infundibuliformis Edward B. Risley 1968-6-7 Yolo In greenhouse at 620 B street, Davis, Yolo County, California. Comment
  SEINET6632236 Image available Crossandra infundibuliformis Edward B. Risley 1968-1 s.n. Yolo raised from seed in green-house at residence at 620B Street, Davis Comment
  UCD149343  Croton setiger Collector Unknown 1925-5-21 s.n. Yolo Causeway. 4 Comment
  UCD20900  Croton setiger N. Nicola 2001-9-12 128 Yolo Southern Sacramento Valley, city of Davis. Comment
  UCD35452  Croton setiger Beecher Crampton 1956-9-28 3875 Yolo 4 miles west of Winters, Vaca Mtns., Putah Creek Canyon. Comment
  UCD142199  Croton setiger C. J. W. 1913-10-1 308 Yolo Davis. Comment
  UCD67915  Croton setiger Allen Hahus 1978-5-22 31 Yolo Near city of Davis, 0.5 miles N of Covell Blvd. along rd 99. Valley Grassland. 15 Comment
  UC677595  Crypsis schoenoides R. N. Raynor 1940-10-20 Yolo n Yolo Bypass (near Davis) Comment
  UCD59831  Crypsis schoenoides Beecher Crampton 1961-8-1 5965 Yolo Davis. Southern Pacific Railroad. Comment
  UCD59916  Crypsis schoenoides Beecher Crampton 1952-10-28 892 Yolo 5 miles west of Winters, Putah Creek. Comment
  UCD59976  Crypsis vaginiflora Beecher Crampton 1953-10-15 1695 Yolo Capay, Cache Creek. Comment
  UCD81850  Crypsis vaginiflora Ellen Dean; M. Showers, G. Harrington 2009-6-3 5769 Yolo Woodland Regional Park. City of Woodland property on the E side of County Road 102, just S of County Road 25. Along E edge of drainage pond. 9 Comment
  UCD149398  Cryptantha ambigua Collector Unknown 1949-1 s.n. Yolo Yolo County. Capay Valley. Hungry Hollow 53 Comment
  CHSC79260  Cryptantha flaccida Beecher Crampton 1955-4-18 2502 Yolo 2 miles west of Winters. Comment
  UC1278110  Cryptantha flaccida Beecher Crampton 1955-4-18 2502 Yolo 2 mi w Winters Comment
  UC596356  Cryptantha microstachys R. F. Hoover 1938-4-23 3190 Yolo grade on Rumsey, Arbuckle road Rumsey Comment
  UC625455  Cryptantha microstachys Frank W. Gould 1938-4-22 276 Yolo on the road from Rumsey to Arbuckle (near the Yolo-Colusa County line, at the head of Capay Valley); Capay Valley Comment
  UCD168498  Cryptantha muricata var. jonesii Ellen Dean; C. Thomsen and M. Hoshovsky 2017-3-29 9288 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
  SEINET11740549  Cupressus guadalupensis D. Hildreth, Milam, K. 1966-1-19 s.n. Yolo U.C. Davis Arboretum, Davis 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
  UCD35449  Cuscuta brachycalyx Beecher Crampton 1956-9-27 3872 Yolo 3 miles west of Davis. 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
  UCD67389  Cuscuta campestris Jane Lorre 1992-6-5 15 Yolo Along Road 102 by Pole Line Road. 10 Comment
  CDA39907  Cuscuta cephalanthi Santa Clara & San Mateo Plant Path. Aug 1956 s.n. Yolo Davis-- State Forestry Nursery 0 Comment
  UCD126316  Cuscuta indecora var. indecora Daryl Koutnik; John Sowell 1978-10-27 576 Yolo one mile south of Putah Creek, east of county road 106 and west of Yolo Causeway. 6 Comment
  UCD126323  Cuscuta indecora var. indecora Collector Unknown 1950-8-1 s.n. Yolo Solano Tract, U.C. Campus, Davis. Comment
  UCD37277  Cuscuta indecora var. indecora Beecher Crampton 1958-9-29 5117 Yolo 7 miles west of city of Davis, just south of Moon Ranch. Comment
  CDA1351  Cuscuta japonica Bill Lyon 2006-11-28 PDR# 1441246 Yolo West Sacramento; 1912 Proctor Ave. Comment
  CHSC96771  Cuscuta pentagona T. C. Fuller 1960-11-7 5307 Yolo Sacramento Valley. Yolo County. In Yolo Bypass, along River Rd. E of Woodland. Comment
  SEINET7940325  Cuscuta subinclusa W. A. Harvey 1953-10-20 s.n. Yolo Pole Line Road (County Road # 102), ca. 4 miles N of Davis. Comment
  UCD98531  Cycloloma atriplicifolium R. Raynor 1943-9-1 s.n. Yolo Railroad right-of-way, West Sacramento. Comment
  UCD33599  Cynodon Beecher Crampton 1970-6-24 8624 Yolo Yolo County, UC Davis campus, sewer air exhaust?. Comment
  SEINET3926238  Cynodon barberi Alan A. Beetle 1945-8-20 4022 Yolo Davis, on University of California farm.; 0 Comment
  SACT000840  Cynodon dactylon M. Wisendanger 1927/07/00 Yolo Comment
  SEINET242436 Image available Cynodon dactylon Beecher Crampton 1954-9-1 s.n. Yolo UC Davis, agronomy division grass garden. Comment
  UCD37781  Cynodon dactylon Beecher Crampton 1962-1-10 6086 Yolo Yolo County, city of Davis. Comment
  UCD60030  Cynodon dactylon E. G. Cakin 1947-5-8 s.n. Yolo Davis. UC Davis, University Farm. Clear Lake ditch. Comment
  UCD60090  Cynodon dactylon M. Wiesendanger 1927-7-1 762 Yolo U. C. Davis Campus. Comment
  UCD60118  Cynodon dactylon Cay Collette 1975-4-12 6 Yolo Knight's Landing. 15 Comment
  UCR119171  Cynodon dactylon Beecher Crampton 1962-1-8 6084 Yolo Sacramento Valley, 2.5 miles west of Winters, State Highway 128. 46 Comment
  UCR2290  Cynodon dactylon A. A. Beetle 1945-8-20 4022 Yolo Davis, University of Calif. farm Comment
  SEINET219759 Image available Cynodon dactylon var. dactylon S. Pearman 1964-5-24 32 Yolo Davis Ca. 14 Comment
  UC765558  Cynoglossum grande R. F. Hoover 1938-3-12 2847 Yolo Cache Creek Canyon near Rumsey Comment
  UCD168484  Cynoglossum grande Ellen Dean 2017-3-15 9273 Yolo Audubon Bobcat Ranch, lands north of Hwy 128, just east of Monticello Dam. Bray Canyon and vicinity on the western side of ranch. Ranch burned once each year in 2014, 2015, 2016. 2017 has been a high rainfall year. East-facing slopes on west side of lower reaches of Bray Canyon. 176 Comment
  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
  CAS-BOT-BC114575  Cyperus eragrostis Clarence Roy Quick 1968-8-25 68 -11 Yolo Garden, Merritt Island near junction of county roads #140 & 142, 3.5 mi S of Clarksburg Comment
  UCD141664  Cyperus eragrostis Ellen Dean; M. Taylor, K. MacMillan 2013-6-13 7791 Yolo City of Davis South Fork Preserve, along Mace Blvd. (County Road 104) south of the City of Davis boundary. North bank of Putah Creek in Plot MBN 4E of the Putah Creek vegetation survey. 9 Comment
  RSA518723  Cyperus eragrostis Barbara Ertter 1988-10-21 7993 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
  RSA127046  Cyperus erythrorhizos H. S. Yates 1936-8-14 6141 Yolo 8 mi NE of Knights Landing 15 Comment
  UCD38266  Cyperus esculentus Beecher Crampton 1953-10-21 1724 Yolo Davis. Comment
  UCD33554  Cyperus odoratus Beecher Crampton 1969-10-21 8524 Yolo Putah Creek bed, S.E. of University airport. Comment
  CDA15358  Cyperus rotundus G. F. Hrusa 1996-10-2 13581 Yolo Central Valley; Corner of North & Walnut in City of Woodland. Comment
  UCD22731  Cyperus rotundus Tom Lanini 2003-8-13 s.n. Yolo Collected in Davis, north on Hwy 113 to exit at Road 25A, then up over freeway to 'Stop' sign. Right at 'Stop' sign, 0.2 mi. to large 2-story house on right. Comment
  UCD20534  Cyphomandra betacea Cliff Low 1983-7-19 s.n. Yolo Yolo County, Davis, 214 Second St. Comment
  UCD60192  Dactylis glomerata E. G. Cakin 1947-5-11 s. n. Yolo North of Davis. Comment
  UCD60295  Dactylis glomerata Beecher Crampton 1962-4-18 6231 Yolo Davis. Southern Pacific R. R. Station. Comment
  UCD138018  Damasonium californicum Collector Unknown 1925-5-11 1451 Yolo Davis. Comment
  CAS-BOT-BC445499  Damasonium californicum Mrs. H. C. Cantelow 1940-5-13 3185 Yolo 9 1/2 mi. w. of Sacramento Comment
  SEINET8470112 Image available Damasonium californicum C. F. Ehlig 1951-1 45 Yolo Yolo bypass, 7 miles east of Davis 3 Comment
  UCD73681  Datisca glomerata Chris Mosser; Plant Biology 102 students 2008-5-3 6 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. Found on west-facing slope on the east bank of Bray Creek as well as in the creek. 100 Comment
  UCD54322  Datura A. M. Shapiro 2005-10-11 s.n. Yolo Davis, UCD Campus; in gardens between Environmental Horticulture and University Club. Comment
  UCD126525  Datura stramonium G. F. Hrusa; T. D. Wilfred 1996-9-26 13580 Yolo on orchard side of levee along Tule Canal approx. 1/2 mile east of Interstate 5 and 1/4 mile north of Sacramento River on south side of Yolo Bypass. 15 Comment
  UCD149335  Datura stramonium Collector Unknown 1949-1 s.n. Yolo City of Woodland. 25 Comment
  UCD55482  Datura stramonium J. Shepard 2000-7-9 325 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east on unpaved entrance road past parking lots and archery range on north, thence north past horseshoe pits to archery backstop/brush pile. 12 Comment
  UC1094503  Datura wrightii Richard Snow 1957-10-2 322 -5 Yolo Putah Creek Comment
  UCD126630  Datura wrightii K. Esau 1935-7-19 s.n. Yolo Putah Canyon. Comment
  UCD125902  Datura wrightii Beecher Crampton 1953-10-26 1727 Yolo South bank of Putah Creek, new channel, 3 miles S. of Davis. Comment
  UCD23365  Datura wrightii Mark Wilkerson 1976-6-1 17 Yolo 3 ft tall, highly branched, strong disagreeable odor, pubescent leaves and stems. Very dry, very hard packed soil, near grassy fields. Soil is clay like. One mile south of Russell Blvd. and Road 95; just north of Putah Creek bridge. 21 Comment
  LA207397  Delphinium hansenii H. Lewis; Carl Epling 1946-5-5 606 Yolo Bridge 2234, 3.8 mi. W of Winters Comment
  UC1031394  Delphinium hansenii H. Lewis and G. Mehlquist 1941-5-9 Yolo State Hwy 28 3.6 mi w Winters Comment
  UCD95772  Delphinium hansenii H. Lewis; G. Mehlquist 1941-5-9 s.n. Yolo State Highway #28, 3.6 miles W of Winters. Comment
  LA38203  Delphinium hesperium Mehlquist; Baker 315 Yolo Putah Creek Canyon, 8 mi. W of Winters Comment
  CAS-BOT-BC10236  Delphinium hesperium LeRoy Abrams 1928-5-8 12612 Yolo Hills between Woodland and Davis Comment
  UCD96532  Delphinium patens A. A. Beetle 1945-2-22 4191 Yolo Cottonwood Slough, southwest of Madison. Comment
  CAS-BOT-BC116450  Delphinium patens subsp. patens Ella D. Cantelow 1940-3-9 4277 Yolo Putah Canyon opp. Devil's Gate Comment
  CAS-BOT-BC16948  Delphinium variegatum subsp. variegatum Alice Eastwood 1927-3-28 14220 Yolo near Winters Comment
  UCD40994  Deschampsia danthonioides Carol W. Witham 2003-4-11 924 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  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
  UCD62686  Deschampsia danthonioides var. gracilis P. B. Kennedy 1915-4-26 s.n. Yolo Outskirts of Davis. Comment
  CHSC117589  Deschampsia elongata B. Castro; Tom Boullion 2009-6-26 1796 Yolo Sacramento Valley. Ca 6 road mi NW of Knights Landing, via Hwy 45, ca 0.5 mi W of 'El Dorado Bend' on topo map, on W bank of the Sacramento River at RM99.5. 8 Comment
  SEINET241294 Image available Desmazeria sicula Beecher Crampton 1965-5-12 T.O. 3400 Yolo UC Davis agronomy experimental area, plant introduction nursery, row L-113 Comment
  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
  UCD34200  Dichelostemma capitatum Beecher Crampton 1978-3-16 9550 Yolo Winters, western edge of town. Comment
  RSA589907  Dichelostemma capitatum subsp. capitatum Michael A. Vincent, Robert M. Rhode 1996-3-30 7254 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16, ca. 2 miles S of Colusa Co. Line. Comment
  UCD21375  Dichelostemma capitatum subsp. capitatum J. Shepard 2001-3-26 416 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road nearly to Department of Defense property fence. Then, south along pathway, about 150 yards, growing on the east side of the path. 12 Comment
  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
  UCD160090  Dichelostemma volubile Mayra Huerta 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. 117 Comment
  UCD139264  Dichelostemma volubile Mary N. Artist 1965-5-15 19 Yolo north side of State Highway 128, just west of Markley Cove at Lake Berryessa. Comment
  UCD36454  Digitaria ischaemum Beecher Crampton 1953-8-27 1616 Yolo Yolo County, city of Davis, Davis High School lawn. Comment
  UCD63933  Digitaria ischaemum A. A. Beetle 1946-7-1 4702 Yolo Davis. Comment
  UCD63946  Digitaria ischaemum Beecher Crampton 1958-10-29 Yolo Davis Campus, Hunt Hall quadrangle. Comment
  UCR119170  Digitaria ischaemum Beecher Crampton 1961-9-15 5974 Yolo Sacramento Valley, City of Davis, University of California campus. Comment
  SBBG115400  Digitaria sanguinalis B. Crampton 1966-10-11 7812 Yolo University of California Davis agronomy field Comment
  UCD149377  Digitaria sanguinalis Yolo County 4H Club 1932-10-1 s.n. Yolo City of Dunnigan. 184 Comment
  UCD36795  Digitaria sanguinalis Beecher Crampton 1955-9-29 3162 Yolo Yolo County, 1.5 north of city of Davis, along U.S. Highway 99W. Comment
  UCD63968  Digitaria sanguinalis Beecher Crampton 1969-9-8 8512 Yolo 3/4 mile west of the old Elkhorn Ferry, Sacramento River, State Hwy. 16. Comment
  UCD63998  Digitaria sanguinalis Beecher Crampton 1953-8-29 1618 Yolo Davis High School, Davis. Comment
  UCD64002  Digitaria sanguinalis Beecher Crampton 1955-9-29 3162 Yolo U.S. Hwy. 99 W, 1.5 miles north of Davis. Comment
  UCD64129  Digitaria sanguinalis A. S. Crafts 1926-7-8 475 Yolo University Farm Campus, Davis. Comment
  UCR119119  Digitaria sanguinalis Beecher Crampton 1961-9-15 5973 Yolo Sacramento Valley, City of Davis, University of California campus. Comment
  SEINET3927982  Digitaria sanguinalis Beecher Crampton 1966-10-11 7812 Yolo UC Davis agronomy field.; 0 Comment
  SEINET13768859 Image available Diplacus aurantiacus Jack Maze 1963-1 8 Yolo State Highway 128, 3/4 mile west of Recreation Beach Comment
  UCD53914  Diplotaxis tenuifolia A. M. Shapiro 2004-10-31 s.n. Yolo Davis, apparently growing as a weed in community gardens opposite 1818 Fifth Street. Comment
  UCD161135  Dipsacus fullonum Jean Shepard 2001-7-1 471 Yolo East of Woodland. From intersection of Co. Rds. 102 and 22, 3.2 mi E on Co. Rd. 22. 100 yd. N of Co. Rd. 22; 50 yd. N of RR trestle running parallel to Co. Rd. 22. 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
  SEINET249771 Image available Distichlis spicata Beecher Crampton 1958-6-20 4940 Yolo 3-4 miles east of Woodland, along State Hwy. 16 and 24. Comment
  UCD120206  Distichlis spicata Ellen Dean 2012-4-19 7321 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
  UCD64491  Distichlis spicata var. stricta A. A. Beetle 1946-7-13 4716 Yolo Putah Canyon. Comment
  CDA33551  Dittrichia graveolens Robin Breckenridge & Katie Filippini 2009-12-15 PDR# 1313585 Yolo Interstate 505 N just before County Road 14 exit. 0 Comment
  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
  UCD20803  Dodecatheon hendersonii N. Nicola; C. Kremen 2001-3-16 19 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  UCD55106  Downingia insignis Beecher Crampton 1973-4-16 8916 Yolo Saxon SW 1. 5 Comment
  UCR119135  Downingia insignis Beecher Crampton 1962-4-28 6348 Yolo Sacramento Valley, 2 miles northeast of city of Davis, near city dump. 15 Comment
  UCD34975  Downingia insignis Beecher Crampton 1996-4-22 10333 Yolo Yolo County, 3.5 miles S.E. of Woodland, along Mavis-Henson (Field) road, just east of its jct. with county road 102 and just south of road 25, T9N R2E, sect 11. Comment
  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
  UCD55113  Downingia ornatissima T. Tomich 1949-5-20 51 Yolo Two miles west of Davis. 18 Comment
  RSA654052  Downingia ornatissima var. eximia Beecher Crampton 1978-5-8 9585 Yolo 1 mile S of Saxon Station. Comment
  SEINET9292225  Downingia ornatissima var. eximia Unknown 1978-5-8 9585 Yolo 1 mile S of Saxon Station. Large vernal meadow, common, assoc. Lasthenia fremontii, Allocarya, Downingia insignis, D. bicornuta, Pogogyne douglasii. 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
  UC1116670  Downingia ornatissima var. ornatissima Beecher Crampton 1960-5-9 5500 Yolo 1.25 mi sw Saxon Station Comment
  UCD144783  Downingia ornatissima var. ornatissima Carol W. Witham 2003-4-7 884 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  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
  UCD164892  Downingia pulchella Henry House 1995-5-3 1995- 3 Yolo About 2 km SES of the intersection of Delhi Road and Levee Road. 2 Comment
  UCD21259  Downingia pulchella J. Shepard 2000-4-21 148 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, past parking lots, a rectangular depression and open field, all on the south side. South along track through field. At edge of ruts, being driven over. 12 Comment
  UCD54986  Downingia pulchella Marvin Nies 1951-4-28 50 Yolo 4 miles north of Davis. 12 Comment
  UCD81462  Downingia pulchella M. Wiesendanger 1927-4-29 584 Yolo Davis. Comment
  SEINET8039648  Downingia pulchella B. Crampton 1953-3-31 1049 Yolo Madison, along railroad. Comment
  UC494214  Downingia pulchella E. A. Wilkins 1932-4-28 Yolo Bypass Comment
  UCD150595  Drosanthemum floribundum Mary Ann Wescott 1972-5-23 44 Yolo Near Putah Creek, 2.5 mi. down on Rd.32. Comment
  UCD72431  Drymocallis glandulosa Ellen Dean 2008-4-25 4858 Yolo Tuleyome Ireland Ranch, southwest portion of ranch, just north of stockpond along overgrown trail. 627 Comment
  JEPS49891  Dudleya cymosa Carl Purdy 1929-6-17 Yolo between Berryessa Valley and Winters Comment
Read comments
Jun 18 2010
  UCD62899  Dudleya cymosa subsp. cymosa Christa Lindsey; Plant Biology 102 students 2008-5-3 1 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. West side of Bray Creek. 103 Comment
  UCD98688  Dysphania ambrosioides M. Wiesendanger 1927-10-1 811 Yolo Davis. University Farm. Comment
  UCD98762  Dysphania botrys Collector Unknown 1929-3-1 1941 Yolo Univ. Farm, Davis. Comment
  SEINET11989050  Ecballium elaterium J. McCaskill, Onaga, K. 1965-1 709 Yolo N side of Botany greenhouse #10, University of California campus, Davis Comment
  HSC102726  Echinochloa colona J. P. Smith 2013-8-23 13775 Yolo Weed in a walnut orchard. 134 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
  SEINET219764 Image available Echinochloa colona J. McCaskill, M Griggs; WA Harvey 1968-8-1 737 Yolo Weed around Agronomy field plot A-8 ca 1/2 mi E of University Airpost University of California Davis Comment
  UCD32995  Echinochloa colona Beecher Crampton 1965-10-5 7535 Yolo Yolo County, UC Davis agronomy field house area. Comment
  UCD36446  Echinochloa colona Beecher Crampton 1953-8-24 1602 Yolo Yolo County, 1 mile west of city of Winters. Comment
  UCD37752  Echinochloa colona Beecher Crampton 1961-10-25 6031 Yolo Yolo County, 1.5 miles southwest of Woodland, along County Road 98. Comment
  UCD38017  Echinochloa colona Beecher Crampton 1962-9-11 6668 Yolo Yolo County, 3 miles west of city of Winters. Comment
  UCD60775  Echinochloa colona Beecher Crampton 1954-7-28 2226 Yolo 1 mile north of Davis. Comment
  UCR119169  Echinochloa colona Beecher Crampton 1965-7-7 7437 Yolo Sacramento Valley, Northern city limits of Winters. 30 Comment
  SACT001028  Echinochloa crus-galli Brian Brown 1975-10-27 Yolo Semi-moist habitat. Comment
  UCD32862  Echinochloa crus-galli Beecher Crampton 1964-10-14 7219 Yolo Yolo County, UC Davis agronomy nursery weed Comment
  UCD32912  Echinochloa crus-galli Beecher Crampton 1965-7-7 7434 Yolo Yolo County, 2.5 miles W.N.W. of Davis, jct. of county roads 98 and 31. Comment
  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
  UCD32965  Echinochloa crus-galli Beecher Crampton 1965-8-18 7486 Yolo 3 miles W of Knight's Landing. Comment
  UCD60828  Echinochloa crus-galli Beecher Crampton 1961-7-21 5941 Yolo 5.5 miles west of Davis along Russell Blvd. Comment
  UCD60891  Echinochloa crus-galli G. F. Hrusa 1996-6-24 13073 Yolo North Coast Biodiversity Arena. Rd. 102 immed. S of intersection with Gibson Road. 15 Comment
  UCD60903  Echinochloa crus-galli H. R. Drever 1945-6-1 Yolo University of California campus, Davis. Comment
  UCR119117  Echinochloa crus-galli Beecher Crampton 1965-7-7 7433 Yolo Sacramento Valley, UC Davis. 15 Comment
  UCR152270  Echinochloa crus-galli Beecher Crampton 1959-11-2 5468 Yolo 7.5 mi west of city of Davis Comment
  CAS-BOT-BC197271  Echinochloa muricata var. microstachya Roxana Stinchfield 1916-6-25 324 Yolo Near mouth of Buckeye Creek Comment
  CDA180  Echinochloa oryzoides J. L. Harlan 1923-1 Yolo Woodland. 0 Comment
  UCD81561  Echinodorus cordifolius W. D. Norton 1928-9-1 1431 Yolo Woodland. Comment
  CDA21266  Eclipta prostrata G. F. Hrusa, C. & E. Dogwin 2007-10-24 17083 Yolo Sacramento Delta; Yolo Co. (Merritt) Boat Launch, W side of Sacramento River, approx. 1 mi. N of Hood (Sacramento Co.). 7 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
  UCD20606  Ehrendorferia chrysantha E. Dean; with M. Bibbo 2002-7-5 1120 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 3.0 road miles E of jct with road to Soda Springs and gate into McLaughlin Reserve. 579 Comment
  UCD81604  Ehrharta calycina Collector Unknown 1950-6-1 s.n. Yolo Capay Valley, Bruhn Burn Plots. Comment
  CDA2020  Ehrharta erecta Evelyn Healy May 1996 s.n. Yolo On the east side of D Street, between 6th and 7th Streets, Davis; in a front yard. 0 Comment
  UCD20163  Ehrharta erecta Bob Laben 2002-1-24 s.n. Yolo Davis. From Bob Laben's garden, 502 Oak Ave. Comment
  UCD36488  Ehrharta erecta Beecher Crampton 1953-10-15 1687 Yolo Yolo County, city of Davis, University of California Agronomy Plots. Comment
  SEINET240089 Image available Ehrharta longiflora Beecher Crampton 1951-1 T.O. 2036 Yolo CULTIVATED; UC Davis agronomy experimental area, plant introduction nursery, row 20. Comment
  UCD84359  Elatine rubella Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 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
  UCD160564  Eleocharis macrostachya Ellen Dean; Craig Thomsen 2015-3-21 8613 Yolo Audubon Bobcat Ranch. Southwestern part of ranch, just north of Hwy 128 and N of Putah Creek. Area E of Bray Canyon where transmissionl lines are present. Bottom of drainage that flows downslope from escarpment labeled 'spring' on topo maps. Near undeveloped road. 118 Comment
  UCD55490  Eleocharis macrostachya J. Shepard; E. Dean, B. Rice, P. and R. Unger, B. Salvia 2004-3-28 654 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
  UCD61267  Eleusine indica Beecher Crampton 1960-9-19 5777 Yolo UC - Davis campus. Comment
  SEINET3929192  Eleusine indica Beecher Crampton 1952-10-3 852 Yolo Yolo County, City of Davis.; 0 Comment
  UCD20747  Elyhordeum macounii E. Dean; with M. Bibbo 2002-7-5 1152 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
  UCD61907  Elymus glaucus R. Tofsrud 1951-1 Yolo Agronomy Division Grass Garden, Davis. Comment
  CAS-BOT-BC203408  Elymus glaucus subsp. glaucus Roxana Stinchfield 1916-6-25 330 Yolo Buckeye Creek - Goodwin Ranch Comment
  UCD62572  Elymus repens Beecher Crampton 1962-4-18 6229 Yolo Southern Pacific R. R. Station, Davis. Comment
  UCR152277  Elymus repens Beecher Crampton 1955-6-6 2818 Yolo Sacramento Valley, city of Davis 16 Comment
  UCD62703  Elymus trachycaulus P. B. Kennedy 1920-8-10 X- 3590 Yolo Field - Campus - Berkeley, Davis. Comment
  UCD37677  Elymus trachycaulus var. majus Beecher Crampton 1961-6-1 5880 Yolo Yolo County, northern city limit of Davis, along County Road 31. Comment
  UCD38973  Elymus trachycaulus var. majus Beecher Crampton 1961-6-1 5880 Yolo North city limits Davis, along County Road 31. Comment
  UCD168485  Emmenanthe penduliflora Ellen Dean 2017-3-15 9274 Yolo Audubon Bobcat Ranch, lands north of Hwy 128, just east of Monticello Dam. Bray Canyon and vicinity on the western side of ranch. Ranch burned once each year in 2014, 2015, 2016. 2017 has been a high rainfall year. East-facing slopes on west side of lower reaches of Bray Canyon. 176 Comment
  UCD105365  Epilobium brachycarpum G. K. Helmkamp; E. A. Helmkamp 2007-9-17 12970 Yolo Sacramento Valley: along CA-16 at Madison, at junction with County Road-89, about 9 miles west of Brower's Corner in Woodland. 43 Comment
  UCD105387  Epilobium brachycarpum Daryl Koutnik; John Sowell 1978-10-27 570 Yolo Putah Creek, east of County Road 106 and west of Yolo Causeway. 6 Comment
  UCD73734  Epilobium brachycarpum Ayzik Solomeshch 2004-5-28 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  UCD105285  Epilobium brachycarpum H. A. Borthwick 1928-9-1 1429 Yolo Davis. 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
  UCD33960  Epilobium campestre Beecher Crampton 1975-5-23 9198 Yolo Junction of County Roads 38 and 106. Comment
  UCD33973  Epilobium campestre Beecher Crampton 1975-6-11 9212 Yolo Junction of County Roads 38 and 106 off the SW corner. Comment
  UCD38841  Epilobium campestre Beecher Crampton 1958-6-27 4989 Yolo Along County Road 99. ca. 3 miles northwest of Davis. Comment
  CAS-BOT-BC166147  Epilobium canum subsp. canum Beecher Crampton 1975-11-18 9338 Yolo Ca. 6 miles west of Winters along Hwy. 128 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
  UCD41009  Epilobium cleistogamum Carol W. Witham 2003-4-11 939 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD84311  Epilobium cleistogamum Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UC762770  Epilobium foliosum R. F. Hoover 1938-4-23 3203 Yolo Grade on Rumsey-Arbuckle Rd. Comment
  SEINET9294442  Epilobium pygmaeum Unknown 1958-6-27 4989 Yolo Yolo County Comment
  UCD142962  Equisetum X ferrissii Ellen Dean; N. Gonzales 2013-8-8 7935 Yolo Downstream of Monticello Dam along Hwy 128, north side of Putah Creek in Putah Creek Vegetation Survey Plot INT 2A. 45 Comment
  CAS-BOT-BC56956  Equisetum arvense C. R. Quick 1972-7-22 72 -15 Yolo East bank of Merrit Island at junction of road 142 Comment
  HSC870  Equisetum laevigatum M. Dole 1963-4-10 26 Yolo 2 mi. N of Hwy. 16 on Elkhorn Rd., on the levee bordering the Sacramento River Comment
  UCD40550  Equisetum laevigatum Collector Unknown 1974-4-27 114 Yolo 1/2 mi. northeast of Guinda riverbed in Cache Creek. 121 Comment
  SEINET9352879  Eragrostis Unknown 1976-9-9 Yolo Davis Comment
  CAS-BOT-BC204451  Eragrostis cilianensis P. B. Kennedy 1915-1-1 s.n. Yolo Davis Comment
  SD148007  Eragrostis cilianensis Michael W. Hair 1990-8-12 Yolo Davis, University of California, experimental plot A-12, west of State Highway 113 Comment
  UCD19295  Eragrostis cilianensis Michael W. Hair 1990-8-12 s.n. Yolo Davis, UC Davis campus, west of State Hwy 113, experimental plot A-12. Comment
  UCD37725  Eragrostis cilianensis Beecher Crampton 1961-8-29 5972 Yolo Yolo County, 1.5 miles south of Woodland, along County Road 99. Comment
  UCD62973  Eragrostis cilianensis Beecher Crampton 1952-9-24 843 Yolo U. C. - Davis. Comment
  UCD62979  Eragrostis cilianensis Beecher Crampton 1962-9-11 6669 Yolo 3 miles west of Winters. 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
  UCR119091  Eragrostis cilianensis Beecher Crampton 1966-10-11 7811 Yolo Sacramento Valley, UC Davis agronomy field. 15 Comment
  SEINET10562462  Eragrostis cilianensis Hair 1990-8-12 HAIR s.n. Yolo Davis, University of California, experimental plot A-12, W of State Highway 113. Sugar-beet field. Comment
  HSC11492  Eragrostis curvula William J. Ferlatte 1970-11-13 1322 Yolo 2 mi. N of Woodland on I-5 Comment
  HSC9764  Eragrostis curvula L. S. Rose 1967-6-11 67101 Yolo 2 mi. NW of Woodland Comment
  UCD38008  Eragrostis curvula Beecher Crampton 1962-8-27 6641 Yolo Yolo County, 4 miles south of Woodland, at junction of County Roads 98 and 25A. Comment
  UCD63097  Eragrostis curvula Beecher Crampton 1961-10-25 6038 Yolo 2.5 miles south of Woodland, along County Road 98. Comment
  UCD36495  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
  SEINET4571589  Eragrostis mexicana B. Crampton 1953-10-16 1702 Yolo 4 miles east of city of Davis, along U.S. HWY 40 Comment
  UCD63813  Eragrostis mexicana subsp. virescens Beecher Crampton 1957-2-7 3896 Yolo Southside of a greenhouse, University of California, Davis Campus. Comment
  UCD64025  Eragrostis mexicana subsp. virescens A. A. Beetle 1942-10-1 1897 Yolo Davis. Comment
  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
  UCD36485  Eragrostis pectinacea Beecher Crampton 1953-10-15 1684 Yolo Yolo County, city of Davis, University of California Agronomy Plots. Comment
  CAS-BOT-BC284079  Eragrostis pectinacea var. pectinacea unspecified 1952-6-28 4218 Yolo Davis Comment
  HSC83364  Eragrostis pectinacea var. pectinacea J. M. Tucker 1981-7-22 Yolo U. C. Davis Campus, SE corner of Wellman Hall Comment
  UCD64318  Eragrostis pectinacea var. pectinacea Beecher Crampton 1953-10-15 1684 Yolo city of Davis, University of California Agronomy Plots. Comment
  UCD64507  Eragrostis pectinacea var. pectinacea Elizabeth Wilson Fall 1936 Yolo Davis. 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
  SEINET4571552  Eragrostis poaeoides B. Crampton 1967-10-16 8217 Yolo U.C. Davis agronomy field Comment
  UCD151019  Erigeron bonariensis D. S. Park 2010-5-28 99 Yolo UCD, east of Science Lecture Bldg. 10 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
  UCD59391  Erigeron foliosus Ellen Dean; Kate Mawdsley 2007-6-8 3865 Yolo Tuleyome Ireland Ranch, Inner Coast Ranges, northwest of the city of Winters, between Salt Creek and Enos Creek, just N of Wild Cow Mtn. Southeastern quadrant of ranch, along loop road. 462 Comment
  UCD19451  Erigeron sumatrensis J. Shepard 2000-2-19 43 Yolo Grasslands Regional Park. East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, then north past parking lot to archery range. 12 Comment
  UCD34570  Eriochloa Beecher Crampton 1985-7-27 10015 Yolo Davis, G st. between 3 and 4 th streets. Comment
  UCD65691  Eriochloa acuminata Beecher Crampton 1969-10-2 8516 Yolo ca. 7.5 miles west Davis, County Road 31, just west of its junction with County Road 95. Comment
  SBBG115842  Eriochloa contracta B. Crampton 1963-9-18 6895 Yolo northwest Davis, Anderson Rd Comment
  UCD34784  Eriochloa contracta Beecher Crampton 1989-8-22 10229 Yolo 2 miles west of Winters on road 87 near jct. with Hwy. 128. Comment
  UCD37497  Eriochloa contracta Beecher Crampton 1960-9-21 5780 Yolo city of Davis, University of California Agronomy Plots. Comment
  UCD65722  Eriochloa contracta Beecher Crampton 1955-9-6 3148 Yolo 5 miles northwest of city of Davis, along County Road 29. Comment
  UC449881  Eriodictyon californicum Tracy I. Storer 1912-6-29 Yolo Rumsey Comment
  UCD20853  Eriodictyon californicum N. Nicola 2001-4-23 070 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  UCD33711  Eriodictyon californicum Beecher Crampton 1972-5-3 8804 Yolo Yolo County, ca. 10 miles west of Davis on County road 31 just west of its junction with County road 92E. Comment
  CAS-BOT-BC242584  Eriogonum dasyanthemum Rowena Beans 1913-10-9 s.n. Yolo Guinda, Capay Valley 106 Comment
  SEINET3000771  Eriogonum dasyanthemum Rivina Beans 1913-10-9 s.n. Yolo Guinda Comment
  UCD132168  Eriophyllum lanatum Shirley L. Cotter 1952-4-27 3457 Yolo Along Putah Creek, 1 mile west of Winters. Comment
  POM53932  Eriophyllum lanatum var. achilleoides C. F. Baker 1903-5-7 2934 Yolo Rumsey. Comment
  UC638702  Eriophyllum lanatum var. achilleoides Ethel Crum 1938-5-7 2000 Yolo n-facing slope above creek (Cache Creek canyon, 4 mi n of Rumsey); Immer North Coast Range <sic>, Cache Creek canyon 152 Comment
  UCD168422  Eriophyllum lanatum var. achilleoides Ellen Dean; M. Hoshovsky 2017-4-18 9333 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
  UCD20809  Erodium botrys N. Nicola; C. Kremen 2001-3-16 025 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  UCR237640  Erodium botrys George K. Helmkamp, E. A. Helmkamp 2012-3-9 18614 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
  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
  UCD103121  Erodium brachycarpum Beecher Crampton 1960-4-26 5487 Yolo Davis, along the railroad. Comment
  UCD56711  Erodium cicutarium Ellen Dean; M. Bibbo 2007-3-23 3404 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SW portion of ranch. 649 Comment
  UCD62868  Erodium cicutarium Tavis Forrester; Plant Biology 102 students 2008-4-6 6 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. 109 Comment
  UC1040704  Erodium macrophyllum Beecher Crampton 1955-5-12 2773 Yolo 7.5 mi w Davis (Wm. Moon Ranch) Comment
  UCD103254  Erodium moschatum L. G. Goar 1930-4-20 s.n. Yolo Putah Canyon. Comment
  UCD114821  Eruca vesicaria subsp. sativa R. Tofsrud 1948-1 s.n. Yolo Agronomy Experimental Areas, UC Davis Campus. 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
  UCD41040  Eryngium aristulatum Carol W. Witham 2003-8-8 972 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCR37301  Eryngium castrense A. C. Sanders 1984-6-18 5063 Yolo Sacramento Valley, Sacramento Bypass near Bryte, just NW of Sacramento, bed of the bypass 1 mi west of the Sacramento River 5 Comment
  UCD23184  Eryngium jepsonii A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UCD129873  Eryngium oblanceolatum J. Shepard 1999-8-10 15 Yolo Grasslands Regional Park. East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd.(County Road 104), thence east 1/4 mi along unpaved entrance road. 12 Comment
  UCD54558  Eryngium oblanceolatum J. Shepard 2000-5-26 276 Yolo Grasslands Regional Park. East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd.(County Road 104), thence east along unpaved entrance road almost to east boundary of park, then about 50 ft. south to low area. 12 Comment
  UCD54559  Eryngium oblanceolatum J. Shepard 2000-7-9 326 Yolo Grasslands Regional Park. East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd.(County Road 104), thence east along unpaved entrance road almost to east boundary of park, then about 50 ft. south. 12 Comment
  UCD21174  Eryngium oblanceolatum Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-6-4 349 Yolo near the town of Davis. SE of Road 104 and Road 38. Glide/Tule Ranch site. Pool # GLI002. Comment
  UCD56753  Eschscholzia caespitosa Ellen Dean; M. Bibbo 2007-3-23 3445 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
  UCD94057  Eschscholzia caespitosa Shannon M. Still 2006-3-23 64 Yolo California. Yolo County: Bear Valley on north side of CA-16 in turnout. 184 Comment
  UCD18493  Eschscholzia californica C. P. Pease 1995-5-16 s.n. Yolo city of Davis, east side of UCD campus, Experimental College gardens. 16 Comment
  CAS-BOT-BC402935  Eschscholzia californica W. D. Hamilton 1946-3-24 s.n. Yolo Davis Comment
  CDA24557  Eschscholzia californica R. E. Skaggs 1962-4-17 Yolo On railroad right of way, 1st & G Streets, Davis. 0 Comment
  UCD15552  Eschscholzia californica Lara Hawthorne 1989-6-3 19 Yolo UC Davis, Experimental Gardens. 15 Comment
  UCD95278  Eschscholzia californica Curtis Clark 1975-4-28 488 Yolo State Highway 128, 1 mile west of junction with Railroad Avenue in Winters. Terrace of Dry Creek. Comment
  UCD95279  Eschscholzia californica Curtis Clark 1975-4-28 489 Yolo State Highway 128, 5.6 miles west of Winters. Comment
  RSA0008957  Eschscholzia dumetorum C. F. Baker 1903-5-8 2995 Yolo Summit of Yolo Mountains Comment
  UCD95364  Eschscholzia lobbii Beecher Crampton 1978-3-16 9549 Yolo 2 miles west of Winters. Comment
  UCD151232  Eucalyptus camaldulensis Ellen Dean; Whitney Krupp 2015-2-9 8586 Yolo University of California at Davis campus. Vicinity of the soccer field north of Kleiber Hall Drive, near large parking lot. Near NE corner of the soccer just north of field, adjacent to pedestrian path and bike path. 15 Comment
  SEINET6942968  Eucalyptus tereticornis Robert A. Evers, Clara V. Evers 1975-8-23 115020 Yolo Rest area along I-5, 0.5 mile (0.8 km) north of Dunniston exit. Comment
  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
  UCD18412  Euonymus kiautschovica Collector unknown 1985-8-7 Yolo city of Davis, UC Davis campus, Mrak Hall. Comment
  UCD142424  Euphorbia lathyris C. P. Dutt 1924-6-1 s.n. Yolo W? Davis. Comment
  UCD142633  Euphorbia nutans G. F. Hrusa; B. Follansbee 1995-8-25 12460 Yolo West Davis, at Sunwise Co-op, Westernesse Rd. 50 Comment
  CDA33556  Euphorbia oblongata Jenni King 2010-5-21 PDR# 1520110 Yolo Near Woodland at intersection of County Road 25A and County Road 99 0 Comment
  SEINET12515071 Image available Euphorbia peplus S. T. Senewiratne 1955-4-2 28 Yolo Davis Comment
  UCD142473  Euphorbia peplus J. M. Tucker 1951-2-25 2042 Yolo University of California campus, Davis; Landscape Gardening lathhouse. Comment
  UCR55550  Euphorbia serpens D. L. Koutnik 1988-8-20 s.n. Yolo Sacramento Valley, city of Davis, Hanover Drive behind Lucky's Market, east of Anderson Road 23 Comment
  UCD38286  Euphorbia serpillifolia B. Crampton 1952-10-28 891 Yolo 5 miles west of Winters. Comment
  UCD38287  Euphorbia serpillifolia B. Crampton 1952-10-28 891 Yolo 5 miles west of Winters. Along Putah Creek. 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
  UCD34229  Euphorbia spathulata Beecher Crampton 1978-5-8 9582 Yolo 1/4 mile south of Saxon Station. Comment
  UCD82337  Euphorbia spathulata Robin McMaster 1973-4-15 323 Yolo 100 yd from Hwy 16 junction with 20. Comment
  CDA5283  Euthamia occidentalis P. Arnaud 1952-9-18 Yolo West Sacramento. 0 Comment
  UCD39939  Fagopyrum tataricum Beecher Crampton 1964-11-18 s.n. Yolo UC Davis Campus. Comment
  SEINET238366 Image available Festuca eastwoodiae Beecher Crampton 1953-4-27 1141 Yolo 2.5 miles west of city of Winters on Road 87. Comment
  UCR118986  Festuca microstachys Beecher Crampton 1954-4-15 1775 Yolo Sacramento Valley, 2 miles west of city of Winters. 46 Comment
  UCR119167  Festuca microstachys Beecher Crampton 1953-4-9 1066 Yolo Sacramento Valley, 2.5 miles west of city of Winters, along road 87 46 Comment
  UCR237591  Festuca myuros var. hirsuta George K. Helmkamp, E. A. Helmkamp 2012-3-9 18603 Yolo Sacramento Valley, East Main Street (Co. Rd. 22), Woodland (parallel to I-5), 0.4 mile west of the Sacramento River 7 Comment
  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
  HSC101754  Ficus carica J. M. DiTomaso 1979-5-12 980 Yolo Road 128, 6 miles west of Davis Comment
  UCD39880  Ficus pumila Beecher Crampton 1973-10-19 s.n. Yolo UC Davis campus; main library. Comment
  UC917211  Frankenia salina J. D. Skoss 1948-6-5 10 Yolo 3 mi n Davis (toward Woodland) Comment
  UCD99601  Frankenia salina H. Popenoe 1949-5-26 26 Yolo banks of Pole Road canal 3 miles northeast of Davis. Comment
  UCD161412  Fraxinus Jean Shepard 2013-7-6 879 Yolo City of Davis. ENE Wildhorse Golf Course. From intersection of Covell Blvd. and Monarch Ln., about 0.1 mi E and about 0.1 mi N. 8 Comment
  UCD18520  Fraxinus June McCaskill and J. M. Tucker 1957-8-30 540 Yolo city of Davis, 1 mi. west of UC Davis campus, just west of University Airport, northwest of Bee House, on Stralock Farms. Comment
  UCD122026  Fraxinus dipetala Collector unknown 1932-3-26 s.n. Yolo Putah. Comment
  UCD56759  Fraxinus dipetala Ellen Dean; M. Bibbo 2007-3-23 3451 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Western/Central portion of ranch near unimproved access loop road. 624 Comment
  UCD67992  Fremontodendron californicum M. Thibodeau 1995-4-20 12 Yolo University of California, Davis campus, West side of King Hall. Comment
  SEINET6947381  Fremontodendron californicum J. B. Taft 1988-8-18 535 Yolo University of California, Davis campus. Comment
  UCD169011  Fritillaria affinis Marc Hoshovsky 2017-4-6 1 Yolo Audubon Bobcat Ranch. 4.3 miles due west from Winters. Lands to the north of Hwy 128. East-draining canyons ca. 0.5 mile west of ranch headquarters and 0.15 mile south of Buckhorn Spring. Area has burned three times in the past three years. 201 Comment
  UCD139656  Fritillaria agrestis C. H. Lamoureux; John M. Tucker 1959-3-4 1321 Yolo County Road 104, 0.8 mile north of junction of this road and the levee road running along the north side of Willow Slough (this junction being 1.9 miles east of County Road 105). Comment
  UCD139708  Fritillaria pluriflora T. I. Storer 1932-3-14 s.n. Yolo Capay Valley, near Rumsey. Comment
  UCD95138  Fumaria parviflora Robert E. Preston 2001-3-29 1500 Yolo Woodland, along west side of County Road E-8, 0.2 mile south of E Kentucky Avenue. 10 Comment
  UCD95135  Fumaria parviflora C. Hardy 1935-4-22 s.n. Yolo near Woodland. Comment
  UCD72429  Galium andrewsii Ellen Dean 2008-4-25 4856 Yolo Tuleyome Ireland Ranch, central part of ranch along path that has been cut through chaparral to access southwestern portion of ranch. 620 Comment
  JEPS52811  Galium andrewsii subsp. intermedium G. L. Stebbins Jr. 1966-2-22 6307 Yolo n side Cache Creek Canyon (near mt summit); Glasscock Mountain 670 Comment
  UCD164873  Galium aparine Henry House 1995-5-23 1995- 16 Yolo Davis. 15 Comment
  UCR119090  Galium aparine Beecher Crampton 1962-4-2 6106 Yolo Sacramento Valley, 2 miles west of Winters, county road 89 59 Comment
  UCD121662  Galium aparine Beecher Crampton 1962-4-2 6106 Yolo Yolo County, 2 miles west of Winters, County Road 89. Comment
  UCD121718  Galium aparine Jack Maze 1963-3-8 1 Yolo ca. 3 1/2 miles east of Monticello Dam on State Highway 128. Comment
  UCD82328  Galium aparine Robin McMaster 1973-4-15 318 Yolo 7 mi NW Rumsey on Hwy 16. Comment
  JEPS52696  Galium bolanderi G. L. Stebbins Jr. 1966-2-22 6304 Yolo n side Cache Creek (canyon on s slope of mt., from State Hwy 16 to 2000 ft); Glasscock Mountain 457 Comment
  UCD73602  Galium murale Ellen Dean; Elizabeth Goebel 2008-4-7 4732 a Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat in the northeastern part of the ranch that is accessed by a private road at the end of Moody Slough Road. 70 Comment
  UCD73720  Galium murale Ayzik Solomeshch 2004-5-14 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  UCD59323  Galium parisiense Ellen Dean; Kate Mawdsley 2007-5-11 3747 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
  UCD160177  Galium porrigens var. porrigens Leonardo Tuchman 2015-4-12 4 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. 131 Comment
  CDA42208  Galium tricornutum Wm. Comfort 1972-5-8 s.n. Yolo County Road 80, Brooks. 0 Comment
  UCD23214  Gastridium phleoides A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  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
  UCR119089  Gastridium ventricosum Beecher Crampton 1952-10-27 887 Yolo Sacramento Valley, 3 miles west of city of Winters, on road to Monticello. 30 Comment
  UCD48037  Geranium dissectum S. Olmsted; M. Atamian, R. Brush, M. Furuyama, C. Owens 2000-4-29 2 Yolo Yolo Co, 1 mile north of Knoxville as the crow flies, 300 m east of an old dirt road that intersects the Yolo/Napa Co line. 640 Comment
  UCR198125  Geranium dissectum S. Olmsted, M. Atamian, R. Brush, M. Furuyama, C. Owens 2000-4-29 02 Yolo UC McLaughlin Reserve, 1 mi north of Knoxville as the crow flies, 300 m east of an old dirt road tht intersects the Yolo/Napa Co line 640 Comment
  UCD62883  Gilia capitata subsp. staminea 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
  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
  UCD168417  Gilia clivorum Ellen Dean; M. Hoshovsky 2017-4-18 9326 Yolo Audubon Bobcat Ranch. Lands to the north of Hwy 128. Eastern portion of ranch northwest of ranch headquarters, top of small canyon south of Rattlesnake Rock. Area has burned three times in the past three years. 254 Comment
  SEINET12532295 Image available Gilia scopulorum A. A. Heller 1940-1 15838 Yolo Along U.S. Highway 99 N, and in adjoining fields between Zamora and Dunnigan. Upper Sonoran Life Zone. Comment
  UCD56720  Gilia tricolor Ellen Dean; M. Bibbo 2007-3-23 3413 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SW portion of ranch. 703 Comment
  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
  UCD117945  Gilia tricolor A. A. Beetle 1945-2-22 4189 Yolo Cottonwood Slough, southwest of Madison. Comment
  UCD117946  Gilia tricolor Beecher Crampton 1982-3-8 9816 Yolo 5 miles west of Winters. Comment
  UCD39506  Gilia tricolor Beecher Crampton 1982-3-8 9816 Yolo California. Yolo County, 5 miles west of Winters. Comment
  UC917128  Gilia tricolor subsp. tricolor R. H. Miller 1949-3-27 7 Yolo at e entrance Putah Canyon; e entrance to Putah Canyon Comment
  UCR207816  Gilia tricolor subsp. tricolor George K. Helmkamp, E. A. Helmkamp 2009-3-24 14438 Yolo Inner North Coast Ranges, along CA-128, 4.4 miles west of Winters and beside Putah Creek 43 Comment
  UCD105753  Gleditsia triacanthos A. Godlewski 1973-8-3 s.n. Yolo S. side Library, University of California, Davis. Department of Environmental Horticulture. Comment
  UCD41117  Glycyrrhiza lepidota N. Nicola 2002-5-13 216 Yolo Eastern foothills of inner north coast range, Berryessa Valley. About 1.2 miles as the crow flies east of Monticello Dam, off of Hwy 128, north side of creek. Comment
  UCD105772  Glycyrrhiza lepidota Beecher Crampton 1975-6-24 9229 Yolo 5.5 miles west of Winters, Putah Creek. Comment
  UCD105816  Glycyrrhiza lepidota M. Sokoloff 1924-6-1 s.n. Yolo Davis. Comment
  SEINET952159  Glycyrrhiza lepidota var. glutinosa M. F. Wojciechowski 1997-1 714 Yolo Roadside along Frontage Rd. about 4 mi E of Davis, Just north of Interstate-80 15 Comment
  SEINET952189  Glycyrrhiza lepidota var. glutinosa P. B. Kennedy 1920-1 Yolo Hoeland Land co. Clarlssburg- Sacramento River Comment
  UCD105823  Glycyrrhiza lepidota var. glutinosa M. F. Wojciechowski 1997-5-25 714 Yolo Roadside along Frontage Rd. about 4 mi E of Davis, just N side of Interstate 80. 15 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
  UCD131657  Grindelia camporum Beecher Crampton 1956-7-13 3708 Yolo Yolo bypass. Comment
  UCD168851  Grindelia camporum K. Esau 1935-5-8 s.n. Yolo Putah Canyon. (Maybe Solano County; Putah creek runs along the boarder of Solano and Yolo Counties. Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD23202  Grindelia camporum A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UC1606661  Grindelia hirsutula Max P. Dunford 1959-9-11 529 Yolo 0.5 mi w of w end Yolo Causeway (borrow pit between highway and S.P.R.R.) Comment
  UCD132567  Grindelia hirsutula M. Wiesendanger 1927-4-29 629 Yolo Esparto. 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
  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
  UCD161409  Helianthella californica Craig Thomsen 2006-6-10 2654 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
  UCD59352  Helianthella californica var. californica Ellen Dean; Kate Mawdsley 2007-5-11 3776 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Crooker Springs drainage, northeastern corner of ranch. 360 Comment
  UC709725  Helianthus annuus Chas. Heiser Jr. 1946-9-4 1857 Yolo 5.8 mi e Davis (on highway to Sacramento on s side of road; U.S. 40) Comment
  CAS-BOT-BC305490  Helianthus annuus T. C. Fuller 1965-7-23 13851 Yolo At base of n. levee for 0.1 mi. in Sacramento Bypass, 0.1 mi. w. of weir, 1 mi. n.w. of Bryte Comment
  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
  JEPS34861  Helianthus bolanderi W. L. Jepson 1929-10-1 15346 Yolo Zamora 25 Comment
  JEPS81967  Helianthus bolanderi Rimo Bacigalupi, L. R. Heckard, and C. L. Custer 1965-10-4 9122 Yolo 1 1/8 mi ene Woodland (along Kentucky Ave. (Road 20), ca 1/4 mi n of Sewage Disposal Plant) 10 Comment
  UCD35878  Helianthus bolanderi Beecher Crampton 1965-10-8 7538 Yolo 2 miles e.n.e. of Woodland, County Road 20. Comment
  UCD119427  Heliotropium curassavicum var. oculatum P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co., Clarksburg -- Sacramento River. Comment
  UCD81552  Heliotropium curassavicum var. oculatum W. W. Robbins; W. D. Norton 1928-8-1 1423 Yolo near Clarksburg. Comment
  UCD119420  Heliotropium curassavicum var. oculatum H. R. Drever 1945-8-18 s.n. Yolo University of California campus, Davis. Comment
  CAS-BOT-BC474701  Heliotropium europaeum Jean Shepard 2000-8-28 337 Yolo City of Davis. South of Fifth St., off Del Rio Pl. 10 Comment
  UC1313039  Heliotropium europaeum W. R. Russell 1965-6-21 Yolo ca. 2 mi. n. Davis (garden at Russell residence, Sharon Ave., Binning subdivision, w. end of Yolo causeway) Comment
  UCD161039  Heliotropium europaeum Jean Shepard 2000-8-28 337 Yolo City of Davis. South of Fifth St., off Del Rio Pl. 10 Comment
  UCD77752  Heliotropium europaeum Robert E. Preston 1998-6-25 1153 Yolo U. C. Davis, near University airport, NE of jct Hopkins Dr and Straloch Rd. 18 Comment
  UCR71487  Heliotropium europaeum Barbara Ertter 1988-10-21 7983 Yolo Sacramento Valley, Cache Creek at Rd 89 crossing just west of I-505, east of gravel pits 1.5 mi north of Madison, c. 10 air miles west of Woodland 37 Comment
  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-BC309975  Hemizonia congesta subsp. luzulifolia A. A. Heller 1940-9-16 15837 Yolo Between Zamora and Dunnigan, along U. S. Highway #99W Comment
  JEPS81969  Hemizonia congesta subsp. luzulifolia Rimo Bacigalupi with L. R. Heckard and C. L. Custer 1965-10-4 9119 Yolo 1.8 mi ene (measured from US 99W) Woodland (fields adjacent to air strip (landing field) and sewage disposal (treatment) plant) 10 Comment
  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
  UCD35196  Hemizonia congesta subsp. luzulifolia Beecher Crampton 1953-9-30 1627 Yolo 1.5 miles northeast of Davis. Comment
  UCD56696  Hemizonia congesta subsp. luzulifolia Ellen Dean 2006-10-27 3305 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. 640 Comment
  UCR178858  Hemizonia congesta subsp. luzulifolia Ayzik Solomeshch 2002-4-30 s.n. Yolo Sacramento Valley, Glide Ranch, 2.5 mi SSE from intersection of Road 105 and Road 38 6 Comment
  UCR220395  Hemizonia congesta subsp. luzulifolia Jean V. Shepard 2000-6-9 302 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, 4 mi south on Mace Blvd. (Co. Road 104) from intersection of Hwy I-80 and Mace Blvd., 0.5 mi east along unpaved entrance road nearly to Air Force facility boundary and south 12 Comment
  UCR220398  Hemizonia fitchii Jean V. Shepard 2000-8-26 336 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, from intersection of I-80 and Mace Blvd., 3.5 miles south on Mace Blvd. (County Rd 104), east along unpaved entrance road, south side between road and parking lot 12 Comment
  POM56195  Hemizonia pungens subsp. pungens A. A. Heller, H. E. Brown 1902-4-30 5433 Yolo Near Black's. Comment
  JEPS29502  Hesperevax acaulis var. robustior R. F. Hoover 1938-4-23 3188 Yolo grade on Rumsey-Arbuckle Road Comment
  CAS-BOT-BC310178  Hesperevax caulescens A. A. Heller; H. E. Brown 1902-4-30 5431 Yolo Near Black's Comment
  UCD161074  Hesperocyparis macnabiana G. Ledyard Stebbins 1954-2-1 s.n. Yolo Cedar Basin. No county given in original location information. (Note from label maker: This could be a Cedar Basin in a different county). Comment
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Apr 19 2017
  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
  CDA9359  Heteromeles arbutifolia M. Beyers, M. Keyhani 2013-11-23 1038 Yolo Inner North Coast Ranges; Highway 128, south side of highway's edge. West of the Monticello Dam near a fishing pull-out on the north side of Putah Creek. 51 Comment
  UC466687  Heteromeles arbutifolia W. P. Taylor 1912-6-26 Yolo Rumsey , Cache Creek (along Cache Creek) 152 Comment
  UCR206543  Heteromeles arbutifolia George K. Helmkamp, E. A. Helmkamp 2009-3-17 14406 Yolo Inner North Coast Ranges Foothills, along CA-20 and Cache Creek, 4.3 miles southeast of the Colusa County line 159 Comment
  UCD33889  Heterotheca grandiflora Beecher Crampton 1975-1-20 9104 Yolo north of Elkhorn Bridge over Sacramento river, on Hwy 5. Comment
  CAS-BOT-BC311036  Heterotheca oregona var. compacta Beecher Crampton 1986-9-10 10075 Yolo 2 miles north of Esparto, Cache Creek Comment
  UCD34629  Heterotheca oregona var. compacta Beecher Crampton 1986-9-10 10075 Yolo 2 miles north of Esparto, Cache Creek. Comment
  UCD168991  Heterotheca sessiliflora subsp. bolanderi Ellen Dean; C. Thomsen and M. Hoshovsky 2017-3-29 9294 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
  UCD165455  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
  UCD73652  Holcus lanatus Jean Shepard 2006-6-19 793 Yolo City of Davis. 1805 Myrtle Pl. Comment
  CAS-BOT-BC320311  Holocarpha virgata Roxana Stinchfield 1916-6-26 347 Yolo D'Oyly Sheep ranch Comment
  UCD164516  Holocarpha virgata Craig D. Thomsen 2006-8-16 2703 Yolo Camp Haswell County Park. 304 Comment
  SEINET5728876 Image available Homalocladium platycladum Bijan Dehgan 1972-1 s.n. Yolo University of California; Davis Comment
  HSC10214  Hordeum brachyantherum subsp. brachyantherum J. V. Lenz 1947-4-16 Yolo 3 mi N of Davis Comment
  UCD85288  Hordeum brachyantherum subsp. brachyantherum Beecher Crampton 1953-4-11 1072 Yolo ca. 6 miles southeast of city of Woodland, near ditch supplying rice field. Comment
  RSA0018628  Hordeum brachyantherum subsp. brachyantherum Keith E. Hoffmaster 1946-4-19 1072 Yolo About 4 mi north of Davis. Comment
  POM205107  Hordeum depressum A. A. Heller 1902-4-30 5422 Yolo Black's Comment
  UCD35375  Hordeum depressum Beecher Crampton 1956-4-9 3241 Yolo Winters. Comment
  UCD85633  Hordeum depressum R. Tofsrud 1949-4-1 s.n. Yolo Davis Railroad Tower. Comment
  UCR152107  Hordeum depressum Beecher Crampton 1955-3-21 2332 Yolo 2.5 mi NE of city of Davis, along Road 102 Comment
  SBBG115654  Hordeum marinum subsp. gussoneanum B. Crampton 1964-4-7 6919 Yolo ca. 2 mi N of Davis, City Dump Comment
  UCD21264  Hordeum marinum subsp. gussoneanum J. Shepard 2000-4-30 154 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, on the south side, past parking lots in field. 12 Comment
  UCD21301  Hordeum marinum subsp. gussoneanum J. Shepard 2000-5-13 242 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, past parking lots on south side, along track to the south in field. 12 Comment
  UCD21400  Hordeum marinum subsp. gussoneanum J. Shepard 2001-5-6 444 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east 0.1 miles along unpaved entrance road, on the north side. Growing in the Soaring Society field. 12 Comment
  UCD58039  Hordeum marinum subsp. gussoneanum Ellen Dean; K. Mawdsley 2007-4-6 3578 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. 450 Comment
  UCD85837  Hordeum marinum subsp. gussoneanum Beecher Crampton 1960-4-25 5485 Yolo 5 miles S of Madison. Comment
  UCD85852  Hordeum marinum subsp. gussoneanum A. A. Heller 1902-4-30 s.n. Yolo Near Blacks. Comment
  UCD85905  Hordeum marinum subsp. gussoneanum M. Wiesendanger 1927-4-29 586 Yolo Davis. Comment
  UCR220388  Hordeum marinum subsp. gussoneanum Jean V. Shepard 2000-5-1 163 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, 4 mi south on Mace Blvd. (Co. Road 104) from intersection of Hwy I-80 and Mace Blvd., east along unpaved entrance road, straight to east boundary of park south of track in field 12 Comment
  UCD86453  Hordeum murinum W. R. Russell 1947-4-12 86 Yolo UC Davis. Roadside Comment
  RSA0018629  Hordeum murinum Keith E. Hoffmaster 1946-4-15 1071 Yolo Davis. Comment
  CHSC79411  Hordeum murinum subsp. glaucum Beecher Crampton 1956-3-19 3230 Yolo Davis. Comment
  UCD35379  Hordeum murinum subsp. glaucum Beecher Crampton 1956-3-19 3230 Yolo Davis. 5th St. between C and D St. Comment
  UCD37786  Hordeum murinum subsp. glaucum Beecher Crampton 1962-3-30 6095 Yolo Davis, Vacant lot on eastern side of B Street between 1st and 2nd Streets. Comment
  UCD37787  Hordeum murinum subsp. glaucum Beecher Crampton 1962-4-2 6098 Yolo 1.5 miles east of Winters. Comment
  UCD58038  Hordeum murinum subsp. glaucum Ellen Dean; K. Mawdsley 2007-4-6 3577 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. 450 Comment
  LA206388  Hordeum murinum subsp. leporinum I. L. Eaks; 1951-5-2 42 Yolo Truck Crops plots, 2 mi. W of Davis Comment
  RSA734063  Hordeum murinum subsp. leporinum Beecher Crampton 1963-3-2 6712 Yolo UCD. campus. Dormitory-orchard area. Comment
  UCD147294  Hordeum murinum subsp. leporinum Carol W. Witham 2003-4-11 942 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD38869  Hordeum murinum subsp. leporinum Beecher Crampton 1963-3-2 6712 Yolo UC Davis. Dormitory-orchard area. Comment
  UCD86140  Hordeum murinum subsp. leporinum Beecher Crampton 1956-3-30 3237 Yolo Davis. Comment
  SEINET238808 Image available Hordeum vulgare Beecher Crampton 1955-12-13 3213 Yolo 0.25 mile south of Davis city limits along U.S. Highway 40 at junction with Davis Road. Comment
  SEINET242457 Image available Hordeum vulgare Beecher Crampton 1986-12-3 T.O.s.n. Yolo CULTIVATED; UC Davis Campus, Agronomy Experimental Area Comment
  UCD86533  Hordeum vulgare Beecher Crampton 1955-12-13 3213 Yolo 1/4 mile S of Davis. Along U.S. Hwy. 40, junction of Davis Road. Edge of a Milo field. Comment
  UCD86535  Hordeum vulgare Beecher Crampton 1961-6-1 5887 Yolo 3 miles S of Woodland. Comment
  UCD110321  Hypericum patulum R. Koch 1996-6-5 22 Yolo city of Davis. Along roadside on Russell Blvd. in North Davis. Comment
  CDA18905  Hypericum perforatum J. Young 2000-5-31 PDR 050401 Yolo Sacramento Valley; near the River Rd. and I-5, West Sacramento. 0 Comment
  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
  UCD144284  Hypochaeris glabra Carol W. Witham 2003-4-19 960 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD62847  Hypochaeris glabra Elaine Chow; Plant Biology 102 students 2008-4-6 6 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. 109 Comment
  SEINET10880657  Ipomoea batatas Stephanie Frischie 2000-9-27 Frischie 70 Yolo Safeway Store #1205, 1431 West Covell, Davis, CA 95616. Comment
  RSA398416  Ipomoea purpurea Glenn A. Gorelick 1966-6-1 s.n. Yolo 4181/2 2nd St., Davis Comment
  RSA158054  Ipomoea triloba June McCaskill 1959-3-24 589 Yolo Botany Department greenhouse, University of California, David. Comment
  CAS-BOT-BC88641  Isatis tinctoria B. Crampton 1955-4-14 2499 Yolo Along road shoulder of US Highway 99 west of Zamora. Comment
  UC1087500  Jacobinia ghiesbreghtiana June McCaskill 1956-4-8 551 Yolo Landscape Management Greenhouse at Field Headquarters, University of California, Davis, Yolo County, California. Comment
  UCD22766  Jasminum mesnyi Collector unknown 1988-2-8 s.n. Yolo Collected at Mrak quad. Comment
  SFV8460  Juglans californica var. hindsii R. B. Lopopolo 1967-5-12 41 Yolo North bank of Putah Creek, next to the Putah Creek Recreation Lodge. Comment
  RSA201761  Juglans hindsii J. T. Shugrue 1960-5-1 53 Yolo Behind main building of Poultry Husbandry Hopkins Tract, University of California Davis Comment
  SEINET6333695  Juncus bufonius B. Crampton 1996-4-22 10336 Yolo 3.5 miles S.E. of Woodland, along Mavis-Henson (Field) road, just east of its jct. with county road 102 and just south of road 25.; 0 Comment
  UCD141391  Juncus bufonius Fleur Ng'weno 1989-5-8 DQ 45 Yolo D-Q University County Road 31, 9 mi. west of Davis city center. 29 Comment
  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
  SEINET8055970 Image available Juniperus chinensis June McCaskill 1959-1 588 Yolo Student health center, University of California Comment
  SEINET11070501  Juniperus oxycedrus A. T. Leiser 1984-3-18 s.n. Yolo Clarksburg Community Church, Clarksburg. Comment
  SEINET11740923  Juniperus oxycedrus A. T. Leiser 1984-3-18 s.n. Yolo Clarksburg, Clarksburg Community Church Comment
  SEINET7249302 Image available Justicia spicigera June McCaskill 1958-1 551 Yolo Landscape Management Greenhouse at Field Headquarters, University of California, Davis. Comment
  NY790272  Keckiella corymbosa P. C. Everett 1954-10-19 20365 Yolo Cache Creek, 6.9 miles northwest of Rumsey, Highway 16 to Madison 152.4 Comment
  CAS-BOT-BC237819  Keckiella lemmonii Roxana Stinchfield 1916-6-26 351 Yolo Road crossing Buckeye Cr. near County line warehouse Comment
  UCD160039  Keckiella lemmonii Catherine Koehler 2013-6-11 s.n. Yolo McLaughlin UC Reserve. Erysimum Hill behind Mine Pit. 518 Comment
  SD133967  Kickxia elatine Barbara Ertter 1988-10-21 7984 Yolo Cache Creek at Rd 89 crossing just W of I-505, E of gravel pits 1.5 mi N of Madison, ca 10 airmiles W of Woodland, Sacramento Valley 36 Comment
  UCD70768  Kickxia elatine J. Shepard 1998-8-20 5 Yolo City of Davis, intersection of W. Eighth and Eureka, SE corner. Vacant lot, unirrigated. Prostrate, much branched, spreading herb. Flower 2-lipped, 2 petals above deep purple, joined; three petals below yellow, joined, extending to a spur at the base. Four stamens, anthers U-shaped. Seeds numerous, dark, deeply pitted. Associates: Avena, Cynodon dactylon. Comment
  UCD36095  Kickxia elatine Beecher Crampton 1952-10-12 863 Yolo Yolo County, city of Davis, in walkway along Putah Creek. Comment
  UCD81845  Kickxia spuria Ellen Dean; M. Showers, G. Harrington 2009-6-3 5764 Yolo Woodland Regional Park. City of Woodland property on the E side of County Road 102, just S of County Road 25. Old rodeo area with buildings now removed. 9 Comment
  CAS-BOT-BC180846  Kochia scoparia June McCaskill; Katherine Onaga 1960-9-29 609 Yolo Beside railroad maintenance crew shack, behind Boy Scout Cabin at 1st Street and Richards Boulevard, Davis Comment
  UCD99039  Kochia scoparia subsp. scoparia Bryant Washburn 1981-7-7 s.n. Yolo Interstate Highway 80, just west of Yolo Bypass, ca. 7 miles east of Davis. Comment
  UCD161065  Koeleria macrantha Craig Thomsen 2006-5-10 2644 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
  UCD59331  Koeleria macrantha Ellen Dean; Kate Mawdsley 2007-5-11 3755 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Central part of ranch. 589 Comment
  SEINET10911891  Lactuca sativa Stephanie Frischie 2000-10-14 Frischie 143 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET10945189  Lactuca sativa Stephanie Frischie 2000-10-14 Frischie 140 Yolo Davis Farmers' Market, Davis, CA. Comment
  UC91982  Lactuca sativa J. W. Blankinship 1892-9-7 Yolo Woodland Comment
  UCD159453  Lactuca serriola D. S. Park 2010-8-5 208 -2 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
  UCD80975  Lactuca serriola Ellen Dean; R. Rawson, J. Herford, A. Weidling, H. McGinnis 2009-4-1 5358 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Western side of property used by model airplane club. 9 Comment
  UCD59328  Lagophylla minor Ellen Dean; Kate Mawdsley 2007-5-11 3752 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Central part of ranch, along trail leaving loop road and heading east. 626 Comment
  CAS-BOT-BC341455  Lagophylla ramosissima Roxana Stinchfield 1916-6-25 319 Yolo Mouth of Buckeye Creek Comment
  UC194223  Lagophylla ramosissima H. M. Hall 1916-8-10 10264 Yolo near Dunnigan (northern Yolo County) Comment
  UCR237589  Lamium amplexicaule George K. Helmkamp, E. A. Helmkamp 2012-3-9 18616 Yolo Sacramento Valley, County Road 16, 2.1 miles east of its junction with County Road 102; at the area where the road turns sharply north, c. 4 miles NE of Woodland 17 Comment
  SEINET5734481 Image available Lamium amplexicaule G. D. Barbe 1962-1 644 Yolo On adobe soil in vacant lot, 'B' street and Shephard's Lane, Davis.; Davis 15 Comment
  UCD41022  Lamium amplexicaule Carol W. Witham 2003-4-11 952 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD82192  Lasthenia fremontii J. Shepard 2004-4-4 661 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east 0.5 miles along unpaved entrance road. About 10 yards west of Department of Defense fence, thence south about 500 yards to swale of large vernal pool straddling fence. 12 Comment
  UCD84320  Lasthenia fremontii Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 4 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
  UCR220403  Lasthenia fremontii Jean V. Shepard 2001-5-6 442 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, 3.5mi south on Mace Blvd. (Co. Road 104) from intersection of Hwy I-80 and Mace Blvd., 1 mi east along unpaved entrance road. C. 400 yards south of the largest vernal pool straddling Dept. of Defense fence 12 Comment
  CAS-BOT-BC355509  Lasthenia glaberrima David D. Keck 1946-4-27 5538 Yolo West end of Yolo Causeway, between Sacramento and Davis, 6 Comment
  UCD35752  Lasthenia glabrata Beecher Crampton 1953-3-16 1004 Yolo 1.5 miles north of Davis. Comment
  UC1191982  Lasthenia glabrata subsp. glabrata Malcolm A. Nobs and S. Galen Smith 1951-4-2 1915 Yolo along Highway #40 (between Yolo Causeway and Davis) Comment
  UC753973  Lasthenia glabrata subsp. glabrata H. F. Copeland 1943-4-24 1654 Yolo e Davis Comment
  UC90038  Lasthenia glabrata subsp. glabrata J. W. Blankinship 1893-5-6 Yolo Woodlands Comment
  UCD133769  Lasthenia glabrata subsp. glabrata Collector unknown 1925-5-21 1636 Yolo Yolo Causeway. Comment
  UCD21037  Lasthenia glabrata subsp. glabrata Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-4-4 223 Yolo near the city of Davis. Along Road 38, approximately 1.2 miles S of its intersection with Road 105. Glide/Tule Ranch site, pool # GLI001. 2 Comment
  UCD84340  Lasthenia glabrata subsp. glabrata Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  CAS-BOT-BC352794  Lasthenia glabrata subsp. glabrata A. A. Heller 1920-4-25 13381 Yolo Along the Yolo causeway Comment
  CAS-BOT-BC370790  Lasthenia platycarpha W. D. Hamilton 1946-4-19 s.n. Yolo 4 miles No. of Davis Comment
  HSC5157  Lasthenia platycarpha M. Dole 1963-4-9 23 Yolo one mi. E of Zamora on Road 15 Comment
  CDA40198  Lathyrus jepsonii var. californicus G. F. Hrusa, C. & E. Dogwin 2007-6-6 17042 Yolo Sacramento Delta; Boat launch along South River Rd., on W side of Sacramento River approx. 1 mi. N of Hood. 7 Comment
  CHSC116586  Lathyrus jepsonii var. californicus B. Castro; Tom Boullion 2010-5-25 1818 Yolo Sacramento Valley. Ca 6 air mi NW of Knight's Landing, ca 300 ft E of Hwy 45 opposite the 'Rough and Ready' powerhouse, on upper terrace within levee, overlooking a riprap-lined bend in the Sacramento River (River-mile 99.5). 5 Comment
  UCD106694  Lathyrus tingitanus M. Ramos 1996-5-7 15 Yolo Mix Canyon Road. 396 Comment
  UCD82082  Lathyrus vestitus Robin McMaster 1973-4-15 310 Yolo 3 mi NW Rumsey on Hwy 16. Comment
  UCD58065  Lathyrus vestitus var. vestitus Ellen Dean; K. Mawdsley 2007-4-6 3605 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 531 Comment
  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
  UC657690  Layia chrysanthemoides M. Wiesendanger 1927-4-29 589 Yolo Davis Comment
  UCD133947  Layia chrysanthemoides P. B. Kennedy 1915-4-26 s.n. Yolo Davis. Comment
  RSA695574  Layia chrysanthemoides Keith E. Hoffmaster 1946-4-19 1052 Yolo 3-4 miles N of Davis. Comment
  UCD81430  Layia platyglossa M. Wiesendanger 1927-4-29 s.n. Yolo Davis. Comment
  JEPS13434  Layia septentrionalis R. F. Hoover 1938-4-23 3196 Yolo grade on Rumsey; Arbuckle road Comment
  SACT001390  Leersia oryzoides Brian Brown 1975-10-10 Yolo Moist habitat Comment
  UCD63515  Leersia oryzoides A. A. Beetle 1945-9-28 4033 Yolo Old bed of Putah Creek, Davis. Comment
  UC1183424  Lemna gibba June McCaskill and Roman Gankin 1959-4-24 592 Yolo near foot bridge across Putah Creek (University Arboretum, UC Davis campus); UC Davis campus, Putah Creek Comment
  UCD141666  Lemna minuta Ellen Dean; M. Taylor, K. MacMillan 2013-6-13 7792 Yolo City of Davis South Fork Preserve, along Mace Blvd. (County Road 104) south of the City of Davis boundary. North bank of Putah Creek in Plot MBN 4E of the Putah Creek vegetation survey. 9 Comment
  UCD115223  Lepidium acutidens Robert E. Preston 1996-3-23 911 Yolo ca. 1 mi N of Davis; at edge of field along E side of Rd 102. 9 Comment
  UCD115264  Lepidium appelianum A. S. Crafts 1937-9-4 s.n. Yolo Davis. Comment
  UCD115265  Lepidium appelianum A. S. Crafts 1937-9-4 s.n. Yolo Davis. Comment
  UCD115268  Lepidium appelianum A. S. Crafts 1937-9-4 s.n. Yolo Davis. Comment
  UCD115274  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
  UCD115276  Lepidium appelianum A. S. Crafts 1935-9-15 s.n. Yolo Woodland. Comment
  CAS-BOT-BC88669  Lepidium coronopus Beecher Crampton 1965-6-29 7390 Yolo 5 miles east of Davis, Yolo Bypass. Comment
  UCD82175  Lepidium dictyotum J. Shepard 2002-4-6 505 Yolo East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east 0.1 mi along unpaved entrance road, then south along north-south access road. 12 Comment
  UCD115343  Lepidium didymum G. K. Swingle 1943-5-4 s.n. Yolo Ranch. Comment
  CAS-BOT-BC89248  Lepidium draba M. P. Bellue 1932-8-10 s.n. Yolo Tiger Inn, West Sacramento. Comment
  UCD115367  Lepidium draba Bellue-Cowley 1932-7-1 s.n. Yolo location unknown. Comment
  CAS-BOT-BC89744  Lepidium latifolium John Thomas Howell 1976-8-4 52223 Yolo West Sacramento. Comment
  JEPS87969  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
  SD257227  Lepidium latifolium George K. Helmkamp, Mary Alice Barnes 2013-5-8 20527 Yolo Southern Sacramento Valley: Yolo Bypass Wildlife Area. 0.9 mile southeast of the junction of Chiles Road and I-80, between Sacramento and Davis. 13 Comment
  CDA32973  Lepidium latifolium Dave Minnesang & Phyllis Hiatt 1979-6-7 Yolo South of Davis on Road 106; Glides Tule Ranch. 0 Comment
  CDA3792  Lepidium latifolium R. Perkins, William J. Ferlatte 1976-4-1 Yolo American Crystal Sugar Company plant, Clarksburg . 0 Comment
  UCD115708  Lepidium latifolium Peter Menth 1992-6-2 14 Yolo Empty lot behind 1263 E. Oak Ave. 16 Comment
  CAS-BOT-BC89804  Lepidium latipes L. R. Abrams 1928-5-8 12605 Yolo Between Woodland and Davis. Comment
  CAS-BOT-BC89807  Lepidium latipes A. A. Heller; H. E. Brown 1902-4-30 s.n. Yolo Near Black's. Comment
  HSC6847  Lepidium latipes C. B. Wolf 1928-5-8 2147 Yolo 12 mi. N of Dixon on the Pacific Hwy. Comment
  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
  JEPS84898  Lepidium latipes L. R. Heckard and J. C. Hickman 1982-4-7 5827 Yolo about 3 mi se Woodland (at corner of Road 25A and Road 103) Comment
  RSA479489  Lepidium latipes L. R. Heckard, J. Hickman 1982-4-7 5827 Yolo At corner of road 25A and road 103, about 3 miles SE of Woodland. Comment
  UC398787  Lepidium latipes J. W. Blankinship 1893-4-4 Yolo Woodland Comment
  UCD144460  Lepidium latipes Carol W. Witham 2003-4-7 871 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD80827  Lepidium latipes Ellen Dean 2009-3-22 5285 Yolo city of Woodland. Mavis Henson Field property on the east side of county road 102, just south of county road 25. Property owned by city of Woodland. NE corner of property, E of drainage pond. 9 Comment
  UCD18244  Lepidium latipes var. heckardii E. A. Dean; A. Efstratis, K. Mawdsley, T. and M. Starbuck 1998-5-8 451 Yolo SE side of city of Woodland, SE junction of roads 102 and 25, south side of road 25. Comment
  CAS-BOT-BC89832  Lepidium nitidum A. A. Heller; H. E. Brown 1902-4-30 s.n. Yolo Near Black's. Comment
  CAS-BOT-BC89848  Lepidium nitidum Alice Eastwood 1927-3-28 14206 Yolo Winters. Comment
  UCD115782  Lepidium nitidum K. Esau; M. Phillips 1929-4-11 1890 Yolo Davis. Comment
  UCD115811  Lepidium nitidum Robert E. Preston 1996-3-23 907 Yolo SE of Woodland, NW of int Rd 25 and Rd 103. 9 Comment
  UCD21203  Lepidium nitidum J. Shepard 2000-2-28 57 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. North of parking lot, in archery range between rows of trees, open. 12 Comment
  UCR219524  Lepidium nitidum var. nitidum Jean V. Shepard 2004-3-7 629 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, 3.5 mi south on Mace Blvd. (Co. Road 104) from intersection of Hwy I-80 and Mace Blvd., 0.4 mi east on unpaved entrance road to Dept. of Defense fence, and 50 yards south 12 Comment
  UCD37390  Lepidium pinnatifidum Beecher Crampton 1960-5-9 5507 Yolo Yolo County, 0.25 miles southwest of Saxon Station. Comment
  UCD145065  Lepidium sativum A. M. Shapiro 2014-3-10 s.n. Yolo West Sacramento. By service road adjacent to RR embankment, ca. 1/4 mile N of West Capitol Avenue. 7 Comment
  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
  CDA33313  Lepidium strictum V. Popescu, Dale Woods 2010-3-23 s.n. Yolo Grassland Park; vernal pool area. 0 Comment
  SBBG33909  Leptochloa fusca subsp. fascicularis L. S. Rose 1969-6-23 69041 Yolo 2 mi SW of Knights Landing 15 Comment
  UC1950418  Leptochloa fusca subsp. fascicularis Barbara Ertter 1988-10-21 7992 Yolo Cache Creek at Rd 89 crossing just W of I-505, E of gravel pits 1.5 mi N of Madison, ca 10 airmiles W of Woodland, Sacramento Valley Comment
  UCD63653  Leptochloa fusca subsp. fascicularis Beecher Crampton 1961-5-22 5876 Yolo 3 miles west of city of Winters, along State Highway 128. 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
  RSA0078644  Leptosiphon androsaceus Keith E. Hoffmaster 1946-4-13 1214 Yolo Putah can. Comment
  UCD72450  Leptosiphon bicolor Ellen Dean 2008-4-25 4873 Yolo Tuleyome Ireland Ranch, western part of ranch near Crooker Spring. 332 Comment
  UCD73667  Leptosiphon bicolor Ayzik Solomeshch 2005-4-10 s. n. Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Northeastern part of ranch, Maxwell Flat area, accessed by private road that is at the end of Moody Slough Rd. 71 Comment
  UC963940  Leptosiphon latisectus R. F. Hoover 1938-3-12 2843 Yolo near Rumsey (Cache Creek canyon); Cache Creek Canyon Comment
  UC1087490  Leucophyllum frutescens June McCaskill 1956-10-17 509 Yolo in front yard at 61 College Park, Davis, Yolo County, California. Comment
  UCD21344  Leymus condensatus J. Shepard 2000-10-8 344 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.7 mi. south on Mace Blvd. (County Road 104), thence east approximately 100 yards to row of Quercus lobata seedlings/saplings. 12 Comment
  UCD141592  Leymus triticoides Ellen Dean 2013-5-15 7763 Yolo Along Putah Creek, just East of Old Davis Rd. crossing. Plot DRR 1D of Putah Creek vegetation sampling project. 15 Comment
  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
  UCD37954  Leymus triticoides Beecher Crampton 1962-5-28 6470 Yolo Davis. Along Southern Pacific Railroad. Comment
  UCD81612  Leymus triticoides Collector Unknown 1950-6-1 s.n. Yolo Capay Valley. Comment
  UCD86629  Leymus triticoides A. A. Beetle 1946-6-1 4709 Yolo Davis Campus. Comment
  UCD86631  Leymus triticoides A. A. Beetle 1946-6-1 4709 Yolo Davis Campus. Comment
  JEPS19558  Limnanthes douglasii subsp. rosea Mrs. L. D. Lawhead 1909-4-8 Yolo Woodland Comment
  CDA20718  Limonium duriusculum B. Lyon 2006-7-24 PDR 1340754 Yolo County Road 96, Woodland. Comment
  UC1220981  Linanthus liniflorus Beecher Crampton 1962-5-1 6353 Yolo 5.5 mi se (in direct line) Davis (junction of County Rd 106A and County Rd 35) Comment
  UC1277999  Linanthus liniflorus B. Crampton 1957-4-23 3945 Yolo 3 mi ne Davis Comment
  SEINET8190533 Image available Liriodendron tulipifera June McCaskill 1954-5-4 289 Yolo Along north side of Temporary Building 1 at southeast end of Administration Building, University of California, Davis Comment
  SEINET8190534 Image available Liriodendron tulipifera John Buckhouse 1965-5-23 43 Yolo Lawn area south of Dining Commons, University of California campus, Davis Comment
  UCD102724  Lithophragma heterophyllum K. Esau 1932-3-26 s.n. Yolo Putah. Comment
  UCD168434  Lithophragma heterophyllum Ellen Dean 2017-3-15 9256 Yolo Audubon Bobcat Ranch, lands north of Hwy 128, just east of Monticello Dam. Bray Canyon and vicinity on the western side of ranch. Ranch burned once each year in 2014, 2015, 2016. 2017 has been a high rainfall year. Lower reaches of Bray Canyon on west side of creek. 57 Comment
  UCD41297  Logfia gallica Ellen Dean; Jean Shepard 2003-5-18 1801 Yolo Russell Ranch Property belonging to UC Davis, west of Davis, south of Russell Blvd. Parcels west and east of road 95A, south of Putah Creek and Stevens Bridge. 15 Comment
  UCD36219  Logfia gallica Beecher Crampton 1953-4-27 1140 Yolo 2 miles northwest of city of Winters, on Road 87. Comment
  UCD66007  Lolium multiflorum Jean Dougherty 1986-5-17 86 -20 Yolo 2.1 miles northwest of Russell Blvd. Comment
  UCD66226  Lolium multiflorum Beecher Crampton 1955-6-7 2819 Yolo South end of the Campbell Tract, Univ. of Calif. Davis Campus. 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
  UCD80901  Lolium multiflorum Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5305 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
  SEINET218337 Image available Lolium perenne J. M. Lyons 1960-5-17 44 Yolo Davis University Airport 15 Comment
  UCD66407  Lolium perenne D. H. Hartmann 1941-8-10 Yolo 10 miles north of Woodland on #24. 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
  SEINET3828340  Lolium perenne subsp. multiflorum George K. Helmcamp, E. A. Helmkamp 2012-1 18768 Yolo Sacramento Valley: along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland Madison 7.5. 65 Comment
  UCD66626  Lolium temulentum Beecher Crampton 1965-4-27 7301 Yolo 3 miles northwest of Dunnigan, along County Road 2. Comment
  UCD66627  Lolium temulentum Beecher Crampton 1970-4-9 8554 Yolo 5 miles west of Winters, along State Hwy. 128. Comment
  UCD66647  Lolium temulentum R. Tofsrud 1947-5-19 Yolo Davis. Comment
  UCD47847  Lomatium californicum M. K. Voigt; E. Sweeney and M. Miller 2002-4-13 17 Yolo McLaughlin UC Reserve. W side of Davis Creek Reservoir, S of road that goes from Soda Spring area to Rayhouse Rd. ca. 0.5 airline mile due N of Soda Springs and Ca. 1.0 airline mile WNW of UC Davis Aquatic Lab facility. Along edges of running stream and slopes to the north and south of stream on the W side of the road. Ca. 1600 ft. Comment
  RSA0051241  Lomatium californicum Keith E. Hoffmaster 1946-4-13 1184 Yolo Putah can. Comment
  RSA0051258  Lomatium californicum Keith E. Hoffmaster 1946-4-13 1184 Yolo Putah can. Comment
  UCD127036  Lomatium californicum Beecher Crampton 1955-5-5 2746 Yolo 6 miles west of city of Winters, bank above Recreation Beach along Putah Creek. Comment
  UCD41134  Lomatium dasycarpum N. Nicola 2002-4-5 164 Yolo Eastern foothills of inner north coast range, Capay Valley. Just north of Rumsey, Rd. 41, Lowrey Ranch. Comment
  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
  CDA38382  Lomatium dasycarpum subsp. tomentosum T. C. Fuller 1958-4-23 s.n. Yolo 1 mile north of Rumsey. 0 Comment
  JEPS78639  Lomatium utriculatum John W. Willoughby 1977-3-16 1950 Yolo along State Hwy. 128 Vaca Mts. (1.3 mi. e. of junction with Rd. 86, n. side of rd.) Comment
  SEINET197742  Lomatium utriculatum Amelie Blyth 1952-3-2 2 -3 Yolo About 2 miles west of Capay near Cache Creek Comment
  UC1441357  Lomatium utriculatum Joseph M. DiTomaso 1979-5-12 987 Yolo 3.9 mi. e. of Yolo-Colusa Co. line on rd. 128 below Lake Berryessa 76 Comment
  UCD20798  Lomatium utriculatum N. Nicola; K. Kremen 2001-3-16 014 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. 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
  UCD127809  Lomatium utriculatum Kay Ryugo 1952-4-12 1020 Yolo 3 miles west of Winters. Comment
  RSA0048654  Lomatium vaginatum Lois Weston 1942-4-24 1256 Yolo Putah Can. Comment
  UCD69417  Lonicera japonica S. Quick 1996-5-19 14 Yolo City of Davis. F Street, within 10 meters of railroad tracks, between 12th and 14th Streets. Disturbed rocky field dominated by grasses. Twining shrub, roughly 2 meters tall. Flowers paired in axils, white, yellowing with maturity. 17 Comment
  CAS-BOT-BC198621  Lotus Alice Eastwood 1927-3-28 14226 Yolo Near Winters. Comment
  UCD144793  Lotus corniculatus Carol W. Witham 2003-4-7 905 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  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
  RSA537640  Lotus grandiflorus var. grandiflorus Barbara J. Ertter, Annetta Carter 1989-5-28 8529 Yolo Rayhouse Road 4.3 mi from Hwy 16, E side of ridge between Blue Ridge and Little Blue Ridge, 0.4 mi below crest at large roadcut. 732 Comment
  UCR207875  Lotus humistratus George K. Helmkamp, E. A. Helmkamp 2009-3-24 14436 Yolo Inner North Coast Ranges, along CA-128, 4.4 miles west of Winters and beside Putah Creek 43 Comment
  RSA10426  Lotus wrangelianus Carl B. Wolf 1928-5-8 2141 Yolo Sacramento Valley; 12 miles north of Dixon. Comment
  UC917167  Lotus wrangelianus H. Popenoe 1949-4-11 2 Yolo 5.5 mi n Rumsey; Cache Creek 167 Comment
  UCD66019  Ludwigia hexapetala B. J. Grewell 2006-8-22 06- 44 -LU Yolo Yolo Bypass Wildlife Area, California Dept. of Fish and Game, south of I-80 hwy, west of Davis, CA. Population sampled from first seasonal pond immediately west from the public auto tour road. 4 Comment
  UCD65957  Ludwigia peploides subsp. montevidensis B. J. Grewell 2007-10-16 07- 102 -LU Yolo Cache Creek immediately upstream of Rumsey Bridge, Rumsey, CA. 124 Comment
  UCD66060  Ludwigia peploides subsp. montevidensis B. J. Grewell 2005-8-23 05- 15 -LU Yolo Putah Creek at upstream of Los Rios Ranch seasonal crossing, Rd 105 and Rd 35. 7 Comment
  UCD78327  Ludwigia peploides subsp. montevidensis B. J. Grewell 2007-10-19 07- 110 -LU Yolo University of California, Davis. Pond at USDA-ARS research facility, 2705 Levee Road. 20 Comment
  RSA735207  Lupinus Keith E. Hoffmaster 1939-4-6 906 Yolo Putah Canyon. Comment
  SEINET194859  Lupinus acutilobus A. A. Heller 1941-3-26 15913 Yolo Buckeye Creek, on U.S. Highway 99W. Comment
  RSA32942  Lupinus albifrons var. eminens A. A. Heller 1941-3-26 15913 Yolo Buckeye Creek, no U. S. HIghway #99W. Comment
  UC625347  Lupinus benthamii Rimo Bacigalupi 1938-5-14 2422 Yolo along Sacramento Short Line R.R. embankment 6 mi n Clarksburg; n of Clarksburg Comment
  CDA36922  Lupinus bicolor CDFA Staff 1998-4-22 s.n. Yolo Rominger Prop., north of County Road 19, east of County Road 92C, west of County Road 94B. 0 Comment
  RSA758527  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2009-5-20 14723 Yolo Capay Valley; along CA-16, 1.5 miles west of Capay 70 Comment
  UCD107272  Lupinus bicolor P. B. Kennedy 1915-4-26 33 Yolo Univ Farm, Davis. Comment
  UCD21382  Lupinus bicolor J. Shepard 2001-3-26 424 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. Along southern boundary of County Road 36, almost 50 yards north of fence at road and 100 yards west of Department of Defense property fence. 12 Comment
  CDA27420  Lupinus bicolor subsp. pipersmithii Ethelbert Johnson 1920-3-27 12 Yolo West of Davis. Comment
  RSA10433  Lupinus densiflorus var. aureus Carl B. Wolf 1928-5-8 2135 Yolo Sacramento Valley, 7 # miles north of Zamora. Comment
  SEINET10937079  Lupinus densiflorus var. aureus Thomas W. Nelson, Jane P. Nelson 1980-4-27 Nelson 5097 Yolo Morgan valley quad. Along state rte 16, 6 mi. From colusa co line. Corolla White aging yellow. Comment
  UCD35963  Lupinus microcarpus Beecher Crampton 1953-3-31 1047 Yolo Madison. Comment
  UCD108614  Lupinus microcarpus Beecher Crampton 1971-4-26 8679 Yolo 1/2 mile south of Saxon Station. Comment
  UCD33623  Lupinus microcarpus Beecher Crampton 1971-4-21 8674 Yolo 6 miles W.N.W. of Davis, county road 96 between county roads 30 and 31. Comment
  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
  JEPS84545  Lupinus microcarpus var. densiflorus John W. Willoughby 1976-3-21 1226 Yolo along State Highway 128 between Monticello Dam and junction with County Road 86 (Pleasants Valley road) side of road next to Putah Creek (Solano Lake) (Solano Lake); n end range Vaca Mountains, next to Putah Creek 73 Comment
  UCD108748  Lupinus microcarpus var. densiflorus M. Ramos 1996-4-10 2 Yolo found along side of Road 128, 8 mi west of Winters. 137 Comment
  UCD81456  Lupinus microcarpus var. densiflorus M. Wiesendanger 1927-4-29 615 Yolo Esparto. Comment
  CAS-BOT-BC8264  Lupinus microcarpus var. microcarpus Amos Arthur Heller; H. E. Brown 1902-4-29 5415 Yolo Near Madison Comment
  UC532186  Lupinus microcarpus var. microcarpus L. F. Robbins 1928-4-15 Yolo Capay Valley Comment
  UC726674  Lupinus microcarpus var. microcarpus A. A. Heller 1920-4-25 13377 Yolo Yolo Causeway Comment
  UCD108842  Lupinus microcarpus var. microcarpus I. L. Eaks 1951-3-28 21 Yolo along railroad 3 miles north of Davis. Comment
  UCD108887  Lupinus microcarpus var. microcarpus J. Skoss 1948-6-5 13 Yolo railroad embankment, 2 miles northeast of Davis. Comment
  UCD108965  Lupinus nanus K. Esau 1938-3-26 s. n. Yolo Yolo County, Putah Canyon. Comment
  UCD108966  Lupinus nanus K. Esau 1938-3-26 s. n. Yolo Yolo County, Putah Canyon. Comment
  UCD34399  Lupinus nanus Beecher Crampton 1982-3-22 9821 Yolo 5 miles west of Winters on Hwy. 128. Comment
  UCD56697  Lupinus nanus Ellen Dean; M. Bibbo 2007-3-23 3390 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SW portion of ranch. 649 Comment
  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
  UCD109094  Lupinus nanus B. G. Madson 1925-3-29 s.n. Yolo roadside near Copoy Comment
  UCD33687  Lupinus nanus Beecher Crampton 1972-3-13 8770 Yolo 2 miles west of Winters. Comment
  UCR148779  Lupinus subvexus Beecher Crampton 1953-3-31 1047 Yolo Abandoned railroad, Madison Comment
  SEINET12170817  Lupinus subvexus Unknown 1953-3-31 1047 Yolo Madison Comment
  UCD33628  Lupinus subvexus Beecher Crampton 1971-4-26 8677 Yolo Yolo County, 1/2 mile south of Saxon Station. Comment
  SEINET12170754  Lupinus succulentus Unknown 1998-4-28 5 Yolo near base of Monticello Dam Comment
  UCD109607  Lupinus succulentus P. B. Kennedy 1915-4-26 21 Yolo Davis. Comment
  UCD82151  Lupinus succulentus Jean Shepard 2000-4-1 102 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, past parking lot on the south side. Between entrance road and easternmost parking lot, growing in a 4-foot mound of topsoil used as an archery backstop. 12 Comment
  SEINET10489003  Lupinus succulentus Thomas W. Nelson, Jane P. Nelson 1980-4-27 Nelson 5101 Yolo Morgan valley quad. Along state route 16, 6 mi from colusa co line. 152 Comment
  SEINET7040226 Image available Lupinus succulentus A. G. Vestal 1962-4-6 s.n. Yolo West of Winters on north side of Route 128. Winters Quadrangle UTM Zone 10, 586704mE, 4262943mN. Comment
  SFV1905  Lupinus succulentus B. J. McCaskill, K. Onaga 1962-4-12 648 Yolo Sacramento Valley Davis. 0.1 miles east of intersection of L and 2nd streets. Comment
  SEINET11091428 Image available Lupinus vallicola subsp. apricus Jack Maze 1963-3-8 3 Yolo 3 1/2 mi. E of Monticello Dam on State highway 128 Comment
  SEINET11091431 Image available Lupinus vallicola subsp. apricus J. M. Tucker, C. H Lamoureux 1958-4-7 3379 Yolo north side of State Highway 128, ca. 2 3/4 miles southwest of Winters Comment
  RSA733863  Lycium barbarum Keith E. Hoffmaster 1946-8-4 1254 Yolo Davis Comment
  SEINET10780229  Lycopersicon esculentum Stephanie Frischie 2000-9-30 Frischie 98 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET10844325  Lycopersicon esculentum Stephanie Frischie 2000-9-30 Frischie 97 Yolo Davis Farmers' Market, Davis, CA. Comment
  SEINET10780226  Lycopersicon esculentum Stephanie Frischie 2000-9-27 Frischie 73 Yolo Safeway Store #1205, 1431 West Covell, Davis, CA 95616. Comment
  SEINET10811318  Lycopersicon esculentum Stephanie Frischie 2000-9-27 Frischie 77 Yolo Safeway Store #1205, 1431 West Covell, Davis, CA 95616. Comment
  UCD126618  Lycopersicon esculentum Beecher Crampton 1977-10-26 s.n. Yolo UC Davis Campus, Agricultural Services Area. Comment
  CDA40733  Lycopus americanus Margaret Bellue 1933-1 s.n. Yolo Near Causeway, Davis Highway. 0 Comment
  CAS-BOT-BC240286  Lygodium japonicum 1968-10-25 s.n. Yolo UC Davis Botanical Greenhouse 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
  CDA19170  Lythrum californicum Carri Benefield 2000-7-12 s.n. Yolo Sacramento Valley; Cache Creek off of Rumsey Bridge. 0 Comment
  RSA0015851  Lythrum californicum Beecher Crampton 1955-9-29 3164 Yolo Along US Highway 99 W 1.5 miles northwest of Davis. Comment
  UCD21307  Lythrum hyssopifolia J. Shepard 2000-5-13 249 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 4.0 miles 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
  UCR129825  Lythrum hyssopifolia Beecher Crampton 1956-7-13 3716 Yolo Sacramento Valley, Yolo Bypass 5 Comment
  RSA0016011  Lythrum hyssopifolia S. L. Morrison 1974-6-2 32 Yolo South side of Southern Pacific Railroad causeway, 3.5 miles east of Mace Boulevard overpass and US Interstate 80. Comment
  UCD19490  Lythrum hyssopifolia Terry Reedy 1974-5-7 200 Yolo 1/4 mile E of Davis boundary on County Road 32. 21 Comment
  CDA18828  Lythrum salicaria J. Young 1999-8-19 PDR 1225342 Yolo North side of Cache Creek, 100 yards west of Co. Rd. 102 0 Comment
  JEPS100847  Lythrum tribracteatum Dean Wm. Taylor with Mey Akasah 1999-6-4 17226 Yolo Dunnigan Hills, along County Road E4 0.5 miles South of junction with Road 86 91 Comment
  UCD102955  Lythrum tribracteatum G. L. Stebbins Jr. 1952-6-22 5092 Yolo 5.5 miles E of Davis, on US Highway 40 to Sacramento. Comment
  UCD150945  Madia D. S. Park; D. Potter 2010-4-22 26 -1 Yolo 128 roadside east, edge of parking area. Small population. 81 Comment
  UCD160091  Madia citriodora Mayra Huerta 2015-4-12 4 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. 126 Comment
  UC638791  Madia elegans Ethel Crum 1938-5-7 1980 Yolo 4 mi n Rumsey (Cache Creek canyon); Inner North Coast Range, Cache Creek 152 Comment
  JEPS119420  Madia elegans subsp. vernalis G. 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 Comment
  UC638700  Madia gracilis Ethel Crum 1938-5-7 2003 Yolo four mi n Rumsey; Inner North Coast Range, Cache Creek Canyon 152 Comment
  UCD134330  Madia gracilis Collector Unknown 1940-4-15 s.n. Yolo Putah Canyon. Comment
  UCD62839  Madia gracilis Elaine Chow; Plant Biology 102 students 2008-4-6 3 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. 109 Comment
  UC334394  Malacothamnus jonesii John Gill Lemmon 1891-5-28 Yolo Copa [Capay] Valley Comment
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Sep 1 2006
  CAS-BOT-BC347373  Malacothrix floccifera A. A. Heller; H. E. Brown 1902-5-22 5585 Yolo Banks of Putah Creek near Winters Comment
  RSA518809  Malacothrix floccifera Barbara Ertter, Annetta Carter 1989-5-28 8528 Yolo Rayhouse Road 4.3 mi from Hwy 16, E side of ridge between Blue Ridge and Little Blue Ridge, 0.4 mi below crest at large roadcut. 732 Comment
  UCD18358  Mallotus japonicus Duane Gooden 1997-1 s.n. Yolo city of Davis, UC Davis campus. Comment
  CDA20336  Malva nicaeensis M. Stephenson 2000-5-31 Yolo Sacramento Valley; Alley betw. D & E. streets, Davis 0 Comment
  CDA5041  Malva nicaeensis Goodwin 1933-6-17 Yolo 0 Comment
  RSA552156  Malva nicaeensis D. Charlton 1990-3-3 4164 Yolo Abandoned agricultural field at the Davis Motel just north of the UC Davis Campus and adjacent to Hwy. 80. 15 Comment
  UCD116547  Malva nicaeensis David Barnett 1982-5-4 37 Yolo Davis, near intersection of Russell and Lake Blvds. 15 Comment
  RSA517870  Malva parviflora J. T. Howell, Gordon H True 1967-7-11 42551 Yolo Roadside northwest of Woodland. Yolo Co., California. 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
  UCD116637  Malva parviflora B. Crampton 1953-4-26 1134 Yolo Davis. Comment
  UCD116678  Malva sylvestris Mrs. Nora Cruse 1938-5-26 s.n. Yolo 412 Lincoln Ave., Woodland. Comment
  UCD36089  Malvella leprosa Beecher Crampton 1952-10-11 857 Yolo Yolo County, 1 mile north of Davis. Comment
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Jan 22 2008
  UCD41042  Malvella leprosa Carol W. Witham 2003-8-8 973 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD35642  Malvella leprosa Beecher Crampton 1959-6-10 5342 Yolo Just north of Davis, along County Road 31. Comment
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Jan 22 2008
  UCD13099  Marah fabacea R. Fernau 1974-4-22 38 Yolo YOLO COUNTY Under Rd. 98 bridge along Putah Creek twisted around base of a cottonwood tree. Elevation 50'. 15 Comment
  UCD20789  Marah fabacea N. Nicola 2001-3-14 005 Yolo Sacramento Valley, 4 miles west of Woodland, at Cache Creek Nature Preserve, along Cache Creek. Comment
  UCD80982  Marah fabacea Clare Loughran; Ellen Dean, Angelica Sauceda 2009-4-26 3 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Lower reaches of Bray Canyon. West Side of Bray Canyon. 88 Comment
  SEINET8551144  Marah fabacea Schank 1959-3-28 s.n. Yolo 4 miles W of Winters, along a small creek. 305 Comment
  CHSC46938  Marah watsonii Robert A. Schlising 1965-3-20 2750 Yolo Along highway 16, 2.3 miles north of Rumsey, near Cache Creek. Comment
  UC596048  Marah watsonii R. F. Hoover 1938-3-12 2842 Yolo near Rumsey; Cache Creek Canyon Comment
  RSA409857  Marrubium vulgare Glenn A. Gorelick 1966-6-8 s.n. Yolo Davis Comment
  UCD84358  Marsilea vestita Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCD160167  Matricaria discoidea Heather Castro 2015-4-12 5 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, next to ranch house headquarters. 99 Comment
  UCD73625  Matricaria discoidea Ellen Dean; Elizabeth Goebel 2008-4-7 4752 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat, west of Dry Creek road crossing. 83 Comment
  CAS-BOT-BC348253  Matricaria discoidea W. D. Hamilton 1946-4-16 s.n. Yolo Davis Comment
  CAS-BOT-BC348256  Matricaria discoidea Bellue; Goodwin 1932-4-22 s.n. Yolo Davis Comment
  SEINET9344120  Matricaria discoidea Unknown 1978-5-8 9581 Yolo 0.25 mi S of Saxon Station, T7N R3E Sect 17, NE 1/4. Roadside UC Davis Herbarium, The Beecher Crampton Herbarium Collection Comment
  UCD13322  Matricaria discoidea Bill Chally 1989-4-27 12 Yolo Stebbins Reserve, W of Winters, along hwy 128. 243 Comment
  UCD134614  Matricaria discoidea M. R. Wanzer 1948-4-29 10 Yolo University of California campus, Davis. Comment
  UCD134618  Matricaria discoidea M. Wiesendanger 1927-4-29 600 Yolo Davis. Comment
  UCD15638  Matricaria discoidea Rachelle Raymond 1989-5-29 601 Yolo Stebbins Reserve Road. 121 Comment
  UCD15909  Matricaria discoidea Leticia Mosqueda 1975-2-2 s.n. Yolo City of Woodland. Obtained from the Mosqueda family (Alicia and Concepcion) at 319 North Walnut Street. Comment
  POM362450  Matricaria matricarioides Glenn A. Gorelick 1966-4-1 s.n. Yolo Davis Comment
  UC178612  Matricaria occidentalis J. W. B. 1892-1 Yolo Woodland Comment
  CDA4195  Medicago arabica P. B. Kennedy 1915-4-26 Yolo Chin. Farm, Davis. 0 Comment
  UCD62869  Medicago polymorpha Tavis Forrester; Plant Biology 102 students 2008-4-6 7 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. 109 Comment
  UCR118886  Medicago polymorpha Beecher Crampton 1955-3-21 2334 Yolo Sacramento Valley, 8.5 miles west of Davis, Moon Ranch. 30 Comment
  UCR235397  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2012-4-17 18771 Yolo Sacramento Valley, along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland 65 Comment
  UCD107785  Medicago polymorpha W. Biehler 1950-1 s.n. Yolo On Davis campus. Comment
  UCD107932  Medicago sativa D. Hartmann 1941-7-24 s.n. Yolo Davis. Comment
  UCD39941  Medicago sativa Beecher Crampton 1955-9-6 s.n. Yolo UC Davis Campus, Campbele tract. Origin: Canada. Comment
  UCD68037  Medicago sativa Dennis J. DaVia 1976-5-31 27 Yolo Road 96, 1.2 mile North of Road 31. Found in an area dominated by bunchgrass, on roadside, in clay loam soil. An erect plant. Flowers, blue. Comment
  HSC100016  Melia azedarach J. P. Smith 2011-9-24 13434 Yolo Roadside along Hwy. 16, NW of Guinda 159 Comment
  HSC10335  Melica californica J. V. Lenz 1947-4-12 Yolo Putah Canyon. Comment
  UCD160200  Melica californica Taylor Blevins 2015-4-12 4 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. 131 Comment
  UCD36163  Melica californica Beecher Crampton 1953-3-23 1015 Yolo Yolo Coutny, 6 miles west of city of Winters, Putah Canyon. Comment
  UCD73266  Melica torreyana Ellen Dean; Susan Xhang, Christa Lindsey, Chris Mosser 2008-4-17 4840 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. 77 Comment
  UCD149338  Melilotus albus Herms 1934-8-2 s.n. Yolo City of Woodland. 25 Comment
  POM348177  Melilotus albus Glenn A. Gorelick 1965-8-28 s.n. Yolo Along Putah Creek at Low Water Bridge, Davis.. Comment
  CDA14343  Melilotus indicus G. D. Barbe 1995-5-16 4461 Yolo south side of Industrial Blvd. near Overland Court, West Sacramento. 0 Comment
  CDA30597  Melilotus indicus M. Beyers 2010-5-12 442 Yolo In the vicinity of Esparto, along the east side of County Road 87, where it bridges Cache Creek on its north. 55 Comment
  UCD81044  Melilotus indicus Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5585 Yolo city of Woodland. Woodland Regional Park. East side of County Road 102, just south of County Road 25. East side of drainage pond. 9 Comment
  UCD84334  Melilotus indicus Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  CAS-BOT-BC227674  Melilotus officinalis Beecher Crampton 1964-1-1 T.O.s.n. Yolo UC Davis agronomy experimental area, plant introduction nursery Comment
  SEINET5644910  Mentha pulegium Gary R. Adamson 1960-5-7 21 Yolo Davis.; 0 Comment
  UCD15905  Mentha spicata Leticia Mosqueda 1975-2-10 s.n. Yolo City of Woodland. Obtained from the Olvera family (Santos and Maria) at 1247 Armfield Rd. Comment
  UC872510  Mentzelia laevicaulis var. laevicaulis Roxana Stinchfield 1916-6-25 337 Yolo Buckeye Creek, Goodin Ranch Comment
  UCD48203  Micranthes californica M. K. Voigt; E. Sweeney and M. Miller 2002-4-13 14 Yolo McLaughlin UC Reserve. W side of Davis Creek Reservoir, 20 m S of road that goes from Soda Spring area to Rayhouse Rd. Ca. 0.5 airline mile due N of Soda 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
  CAS-BOT-BC348438  Micropus californicus var. californicus Roxana S. Ferris 1917-4-20 710 Yolo Road along Buckeye Creek 3 mi west of Railroad Comment
  UC638714  Micropus californicus var. californicus Ethel Crum 1938-5-7 1985 Yolo four mi n Rumsey; Inner North Coast Range, Cache Creek Canyon 152 Comment
  UCD134495  Micropus californicus var. californicus Jack Maze 1963-4-27 17 Yolo 3/4 mile east of Recreation Beach, State Highway 128. Comment
  UCD132848  Microseris douglasii Beecher Crampton 1953-4-11 1069 Yolo Along the road 1.5 miles north of Davis. Comment
  UCD160198  Microseris douglasii subsp. douglasii Taylor Blevins 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. 179 Comment
  POM53403  Microseris douglasii subsp. douglasii C. F. Baker 1913-5-8 2889 Yolo Cache Creek Canyon Comment
  UCD169010  Microseris sylvatica Ellen Dean; E. Moores and M. Hoshovsky 2017-4-7 9313 Yolo Audubon Bobcat Ranch. Lands to the north of Hwy 128, northwest of ranch headquarters. Ridge extending south from undeveloped road downhill from Rattlesnake Rock. Area has burned three times in the last three years. 274 Comment
  UCD15591  Mimulus aurantiacus Elmo Agatep; with David Gutierrez 1995-5-20 2 Yolo Route 128, next to Putah Creek. Comment
  UCD168989  Mimulus aurantiacus Ellen Dean; C. Thomsen and M. Hoshovsky 2017-3-29 9292 Yolo Audubon Bobcat Ranch, west side of ranch, north of Hwy 128, near western property boundary. Top of rock outcrops above Hwy 128 and Bray Canyon north of transmission power lines tower. Area has burned three times in the last three years. 241 Comment
  UCD58033  Mimulus aurantiacus Ellen Dean; K. Mawdsley 2007-4-6 3572 Yolo Yolo County.: Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 442 Comment
  UCD122271  Mimulus aurantiacus var. aurantiacus Joseph M. DiTomaso 1976-4-9 400 Yolo below Monticello Dam at Lake Berryessa, above Putah Creek. 134 Comment
  RSA96672  Mimulus aurantiacus var. aurantiacus Percy C. Everett, E. K. Balls 1954-10-19 20368 Yolo Rumsey to Knoxville, 1.6 mi. s.w. of jct. of Hwy 20 610 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
  UCD41016  Mimulus guttatus Carol W. Witham 2003-4-11 947 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 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
  CDA41813  Mimulus tricolor G. D. Barbe 1980-4-16 2576 Yolo Southwest corner County Roads 14 & 88, north of Esparto. 0 Comment
  UCD122950  Mimulus tricolor Beecher Crampton 1978-5-8 9583 Yolo 1/4 mi S. of Saxon Station. Comment
  UCD122951  Mimulus tricolor C. F. Ehlig 1951-4-22 35 Yolo 5 miles west of US 99W on Road 29. 15 Comment
  CAS-BOT-BC349593  Monolopia major A. A. Heller; H. E. Brown 1902-4-29 5411 Yolo Near Madison Comment
  UCD168997  Monolopia major Ellen Dean; C. Thomsen and M. Hoshovsky 2017-3-29 9300 Yolo Audubon Bobcat Ranch. West side of ranch, north of Hwy 128, near western property boundary. Lower reaches of Bray Canyon. East side. Area has burned three times in the last three years. 123 Comment
  UCD21379  Montia fontana J. Shepard 2001-3-26 420 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 4 mi. south on Mace Blvd. (County Road 104), thence east along County Road 36. Near east border with Department of Defense property. Approximately 5 yards east of fence and 200 yards north of County Road 36. 12 Comment
  CDA16253  Morus alba G. F. Hrusa 1997-10-13 14123 Yolo Sacramento Valley; Riparian zone of Sacramento R. immediately S of I-5 ~ 5 mi E of Woodland (near Tule Canal). Mostly along railroad tracks parallel to river on N side. 0 Comment
  UCD141701  Morus alba Ellen Dean; M. Taylor 2013-6-21 7813 Yolo North side of Putah Creek east if the City of Winters. South of Russell Blvd. on east side HWY 505. Yolo County Housing Authority area. In or near Plot YHA 2E of Putah Creek vegetation survey. 6 Comment
  UCD41076  Muhlenbergia rigens Carol W. Witham 2003-8-8 1007 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD139280  Muilla maritima Rolf Y. Berg 1963-3-27 s.n. Yolo facing Davis Refuse Dump, County Road 102, 1.1 mile north of Davis city limit. Comment
  UCD139281  Muilla maritima Rolf Y. Berg 1963-3-30 s.n. Yolo opposite City Refuse Dump, Road 102 (Pole Line Road), around 1.1 miles north of Davis City limit. Comment
  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
  UCD96609  Myosurus minimus J. M. Tucker; K. J. Tucker 1950-3-26 1927 Yolo Beside Highway 99W, about 3 miles northwest of Davis. Comment
  JEPS80670  Myosurus sessilis L. R. Heckard with Dave and Mary Ann Showers 1981-5-30 5520 Yolo 3 mi se Woodland (s of Road 25 and e of Road 103) Comment
  RSA10404  Myosurus sessilis Carl B. Wolf 1928-5-8 2149 Yolo Sacramento Valley; 12 miles north of Dixon. Comment
  UC917100  Myosurus sessilis K. J. and J. M. Tucker 1950-3-26 1926 Yolo 3 mi nw Davis (beside Highway 99W) Comment
  UCD21423  Myosurus sessilis J. Shepard 2002-4-18 519 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road to Department of Defense fence. South to northern-most large vernal pool, 1 meter west of fence. 12 Comment
  RSA97527  Myosurus sessilis Beecher Crampton 1952-11-7 916 Yolo 3 miles northwest of city of Davis. Comment
  RSA97570  Myosurus sessilis Beecher Crampton 1952-11-7 915 Yolo 3 miles northwest of city of Davis. Comment
  SBBG116095  Nassella cernua B. Crampton 1953-5-7 1221 Yolo ca. 2 mi NW of Dunnigan, along extension of Rd 4 Comment
  UCD36260  Nassella cernua Beecher Crampton 1953-5-7 1221 Yolo Yolo County, 2 miles northwest of Dunnigan, along extension of Road 4. Comment
  UCD87413  Nassella cernua Beecher Crampton 1953-5-7 1221 Yolo Yolo County, 2 miles northwest of Dunnigan, along extension of Road 4. Comment
  UCD87418  Nassella cernua Beecher Crampton 1958-4-21 4705 Yolo Yolo county. Gravelly slopes. Along State hwy. 16. 1/2 mile north of Guinda. Capay Valley. Comment
  UCD87424  Nassella cernua Beecher Crampton 1965-4-27 7294 Yolo Yolo county. 3 miles northwest of Dunnigan, County Road 86. Comment
  UCD36165  Nassella lepida Beecher Crampton 1953-3-23 1018 Yolo 6 miles west of city of Winters, Putah Canyon. Comment
  UCD87843  Nassella lepida Beecher Crampton 1965-4-27 7295 Yolo 3 miles N.W. of Dunnigan, County Road 86. Comment
  UCD87896  Nassella lepida Jack Maze 1963-3-8 12 Yolo 3/4 mile E of Recreation Beach, State 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
  UCD73572  Nassella pulchra Ellen Dean; Elizabeth Goebel 2008-4-7 4720 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat in the northeastern part of the ranch that is accessed by a private road at the end of Moody Slough Road. 70 Comment
  UCD87478  Nassella pulchra Beecher Crampton 1961-4-17 5857 Yolo 3 miles northeast of city of Davis, city dump and rifle range. Comment
  UC932060  Navarretia cotulifolia Verne Grant and Alva Grant 1946-4-12 7690 Yolo near Woodland Comment
  UCD39050  Navarretia cotulifolia Beecher Crampton 1962-5-1 6351 Yolo 5.5 miles southeast Davis (in direct line) jct. County Roads 106 A and 35. Comment
  UCD48344  Navarretia cotulifolia Beecher Crampton 1962-5-1 6351 Yolo 5.5 miles southeast of Davis (in direct line) jct. County Roads 106 A and 35; vernal meadow. Comment
  UCR118888  Navarretia cotulifolia Beecher Crampton 1960-5-9 5506 Yolo Sacramento Valley, 0.25 mile south of Saxon Station. 15 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
  UCD37196  Navarretia intertexta subsp. intertexta Beecher Crampton 1958-5-28 4837 Yolo Yolo County, city of Davis. Comment
  JEPS70352  Navarretia leucocephala W. L. Jepson 1940-5-17 19925 Yolo 7 mi e Davis (near Plumtree station); Yolo Causeway Comment
  UCR119143  Navarretia leucocephala Beecher Crampton 1963-4-27 1138 Yolo Sacramento Valley, Northern city limits of Winters. 30 Comment
  SEINET5732172 Image available Navarretia leucocephala David Bortner 1974-1 218 Yolo Beneath I-80, west end of Yolo Causeway. 8 Comment
  UCD48544  Navarretia leucocephala subsp. leucocephala H. A. Borthwick 1925-3-21 1884 Yolo Causeway. Comment
  UCD36213  Navarretia leucocephala subsp. leucocephala Beecher Crampton 1953-4-21 1120 Yolo Yolo County, 3 miles north of city of Winters, between highway and railroad. Comment
  UCD36218  Navarretia leucocephala subsp. leucocephala Beecher Crampton 1953-4-27 1138 Yolo Yolo County, northern city limit of Winters. Comment
  UCD37910  Navarretia leucocephala subsp. leucocephala Beecher Crampton 1962-5-1 6349 Yolo 5 miles southeast of city of Davis, at junction of County Roads 106A and 35. Comment
  UCD147032  Navarretia pubescens Robert E. Preston 2012-5-16 2876 a Yolo 6.6 mi SW of Dunnigan, in Wood Canyon. 175 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
  UCD73705  Navarretia pubescens Ayzik Solomeshch 2004-6-14 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  CAS-BOT-BC233615  Navarretia pubescens B. Crampton 1953-4-27 1139 Yolo County road 87, 2 miles NW of Winters Comment
  UCR148080  Navarretia tagetina Beecher Crampton 1953-4-19 1312 Yolo 3 mi west of Winters along Hwy 128 51 Comment
  UC606892  Nemophila heterophylla L. Constance 1938-3-27 2045 Yolo on Monticello-Winters Road 9 mi nw Winters (bluff above Putah Creek, Vaca Mountains); Inner North Coast Ranges, Vaca Mountains, abv Putah Creek 304 Comment
  UCD48045  Nemophila heterophylla Ryan Knox; McDermott, G. Walden 2002-4-13 22 Yolo Yolo Co., McLaughlin UC Reserve, W side of Davis Creek Reservoir, along road that goes from Soda Spring area to Rayhouse Rd. 0.5 airline mile due N od Soda Spring and 1.0 airline mile WNW of UC Davis Aquatic Lab facility. 516 Comment
  UCD73094  Nemophila heterophylla Ellen Dean; Plant Biology 102 students 2008-4-6 4717 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Bray Canyon, west side of creek near old road cut that ascends slope. 82 Comment
  UC1607863  Nemophila heterophylla C. G. Nast 1936-3-27 17 Yolo E entrance fo Putah Canyon Comment
  UCD120077  Nemophila menziesii A. A. Beetle 1945-2-15 4181 Yolo Putah Creek Canyon, west of Winters. Comment
  UCD63081  Nemophila parviflora Ellen Dean 2008-4-9 4790 Yolo Tuleyome Ireland Ranch. Central part of Ranch. Head of smaller canyon that is east of main canyon. 649 Comment
  UCD105391  Neostapfia colusana Robert Holland 1993-6-10 s.n. Yolo Air Force Antenna Farm. Comment
  UCR242995  Nicotiana glauca Cathleen Chapton 1983-5-24 26 Yolo On Road 128, 1.5 miles east of Lake Berryessa (Davis side) 76 Comment
  UCD84799  Oenothera elata subsp. hirsutissima Thaddeus Hunt 2010-7-9 s.n. Yolo north of the town of Winters. Along Winters Canal at 'school house drain. Comment
  SEINET8564248  Olea europaea R. H. Miller None 1119 Yolo University farm, University of Calif., Davis 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
  UCD161068  Orobanche uniflora Craig Thomsen 2006-5-10 2650 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
  UCD58063  Orobanche uniflora Ellen Dean; K. Mawdsley 2007-4-6 3603 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 531 Comment
  RSA129675  Oryza sativa H. S. Yates 1936-8-14 6140 Yolo 8 mi NE of Knights Landing 15 Comment
  UCD81549  Oryza sativa W. W. Robbins; W. D. Norton 1927-10-1 s.n. Yolo West of Davis. Comment
  SEINET240098  Oryzopsis holciformis Beecher Crampton TO 2324 a Yolo UC Davis agronomy experimental area, plant introduction nursery, row D - 167 Comment
  SEINET240092  Oryzopsis miliacea subsp. thomasii Beecher Crampton 1961-6-30 T.O. 2223 Yolo UC Davis agronomy experimental area, plant introduction nursery, row D-132 Comment
  UCD81024  Oxalis corniculata Ellen Dean; Gordon Harrington 2009-4-1 5367 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Near drainage basin. 9 Comment
  SEINET6645800  Oxalis corniculata Schank 1959-3-29 s.n. Yolo About 4 miles west of Davis 23 Comment
  UCD110781  Oxalis corniculata T. Tomich 1949-5-30 62 Yolo Davis. Comment
  UCD35743  Oxalis corniculata Beecher Crampton 1953-3-29 1036 Yolo Along walkway in Davis. Comment
  UCD159963  Oxalis latifolia Ellen Dean 2015-4-5 8621 Yolo City of Davis. Back yard of 708 Mulberry lane. Also weed in side yard of house next to path at south end of Mulberry Lane loop. 14 Comment
  UCD20788  Oxalis pes-caprae N. Nicola 2001-3-14 004 Yolo Sacramento Valley, 4 miles west of Woodland, at Cache Creek Nature Preserve, along Cache Creek. Comment
  JEPS37611  Packera eurycephala W. L. Jepson 1924-5-8 10409 Yolo Devils Gate Putah Pass Comment
  UC1183408  Pandorea jasminoides June McCaskill and Katherine Onaga 1960-9-29 610 Yolo Climbing about post of east side of Landscape Horticulture Field Headquarters, University of California campus, Davis, Yolo County, California. Comment
  CAS-BOT-BC227240  Panicum capillare Beecher Crampton 1953-10-15 1694 Yolo Capay, along Cache Creek Comment
  CAS-BOT-BC242650  Panicum capillare Beecher Crampton 1952-8-25 850 Yolo City of Davis, waste lot Comment
  UCD32791  Panicum capillare Beecher Crampton 1954-9-9 2265 Yolo Yolo County, 5 miles west of Davis, roadside, in adjacent and irrigated pasture. Comment
  UCD34194  Panicum capillare Beecher Crampton 1977-10-25 9544 Yolo Yolo County, UC Davis agricultural services yard. Comment
  UCD36493  Panicum capillare Beecher Crampton 1953-10-15 1694 Yolo Capay, along Cache Creek. Comment
  UCD89536  Panicum capillare R. Raynor 1939-9-27 s.n. Yolo Davis. Comment
  UCR119097  Panicum capillare Beecher Crampton 1954-9-9 2265 Yolo Sacramento Valley, 5 miles west of Davis. 15 Comment
  SEINET239026 Image available Panicum capillare subsp. hillmanii Beecher Crampton 1977-10-25 9544 Yolo UC Davis agricultural services yard. Comment
  UCD89780  Panicum capillare subsp. hillmanii Beecher Crampton 1968-5-31 8290 Yolo Yolo-Solano county line, UC Davis camppus arboretum area. Comment
  UCD32856  Panicum capillare subsp. hillmanii Beecher Crampton 1964-9-22 7202 Yolo Yolo County, 3.5 miles west of Davis, Russell Blvd.. Comment
  UCD89701  Panicum dichotomiflorum R. Tofsrud 1942-11-1 116 Yolo Davis. 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-BC242669  Panicum hillmanii Beecher Crampton 1964-9-10 7201 Yolo 3 miles N.W. of Davis, jct. of county roads 99 and 29 Comment
  CAS-BOT-BC253862  Panicum miliaceum J. Rumsey 1933-9-1 s.n. Yolo Woodland Comment
  UCD34252  Parapholis incurva Beecher Crampton 1978-6-26 9609 Yolo Yolo County, 4 miles S.E. of Woodland, T9N R2E sect. 11 N.E. 1/4. Comment
  UCD161051  Paspalum dilatatum Craig Thomsen 2006-6-30 2626 Yolo Camp Haswell. West side of Cache Creek. 144 Comment
  UC1949273  Paspalum distichum Barbara Ertter 1988-10-21 7996 Yolo Cache Creek at Rd 89 crossing just W of I-505, E of gravel pits 1.5 mi N of Madison, ca 10 airmiles W of Woodland Sacramento Vally Comment
  UCD84353  Paspalum distichum Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  SEINET4344385 Image available Paspalum distichum Unknown 1988-10-21 7996 Yolo Cache Creek Rd 89 crossing just W of I-505, E of gravel pits 1.5 mi N of Madison, ca 10 airmiles W of Woodland, Sacramento Valley. 37 Comment
  SEINET242431 Image available Paspalum molle Beecher Crampton 1978-11-4 sn Yolo UC Davis Campus, Agronomy experimental area, grown from seed from Brazil (#203882) Comment
  UCD39946  Paspalum umbrosum Beecher Crampton 1978-11-4 ? Yolo UC Davis Campus, Agronomy Experimental Area; grown from seed obtained from Brazil (Plant Introduction # 203882). Comment
  UCD70769  Passiflora J. Shepard 1998-9-7 6 Yolo City of Davis, Fifth St. between Poleline and 'L', Community Garden. Woody twining vine 4-5' high, supported on trellis. Three bracts below 5 sepals, greenish on underside, whitish above. Petals less greenish below than sepals, whitish above; petals thinner and narrower than sepals. Much-fringed corona with outside band of lavender, middle band of white, and inner band of reddish purple. Comment
  UCD127829  Pastinaca sativa Morris Halperin 1932-7-12 s.n. Yolo Truck Crops Field. Comment
  UCD123335  Pedicularis densiflora T. E. Weier 1942-2-15 s.n. Yolo Putah Canyon. 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
  UCD137573  Pellaea andromedifolia A. A. Beetle 1945-1-20 3075 Yolo West of Winters in Putah canyon. Comment
  UCD137592  Pellaea andromedifolia Jack Maze 1963-4-27 19 Yolo State Highway 128, 3/4 mile east of Recreation Beach. Comment
  UC1927083  Pellaea andromedifolia Layne Huiet 2006-5-20 122 Yolo Highway 16 at marker 4.18 South of Colusa/Yolo County line. West side of road Comment
  UCD137582  Pellaea andromedifolia C. B. Heiser Jr. 1947-4-10 1900 Yolo Northwest of Highway 6, about 1 mile north of Rumsey. Comment
  UCD162954  Pellaea mucronata Craig Thomsen 2006-6-13 2672 Yolo Camp Haswell. West side of Cache Creek. 144 Comment
  UCD59336  Pellaea mucronata var. mucronata Ellen Dean; Kate Mawdsley 2007-5-11 3760 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Central part of ranch. 564 Comment
  UCD89451  Pennisetum glaucum Beecher Crampton 1967-9-25 s.n. Yolo Davis. Comment
  UCR242396  Pennisetum setaceum Paul Washburn 2011-7-14 s.n. Yolo City of Davis, along Covell Blvd. between Lake and Denali streets 15 Comment
  UCD124213  Penstemon heterophyllus K. Esau; D. Hartmann 1931-4-26 2186 Yolo Putah Canyon. 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
  UCD54309  Perideridia kelloggii E. Dean; with M. Bibbo 2002-7-5 1111 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road just W of summit of road in Little Blue Ridge hills. 3.9 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 701 Comment
  UCD99364  Persicaria amphibia P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co. Clarksburg, Sacramento River. Comment
  UCD99454  Persicaria lapathifolia A. S. Crafts 1926-7-8 465 Yolo University Farm Campus, Davis. Comment
  UCD81057  Persicaria maculosa Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5593 Yolo city of Woodland. Woodland Regional Park. East side of County Road 102, just south of County Road 25. Old rodeo area with bare areas where buildings used to be. 9 Comment
  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
  UCD41071  Persicaria punctata Carol W. Witham 2003-8-8 1002 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  JEPS22658  Petrorhagia dubia Rimo Bacigalupi with Drs. Herbert and Lucille Mason 1958-4-22 6277 Yolo about 2.5 mi nw Rumsey (along roadside of California Highway 16 in canyon of Cache Creek, just e of mouth of Pocket Gulch); in canyon of Cache Creek, e of mouth Pocket Gulch 160 Comment
  UCD20834  Petrorhagia dubia N. Nicola 2001-4-4 50 Yolo Eastern foothills of inner North coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  UCD73711  Petrorhagia dubia Ayzik Solomeshch 2004-6-22 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 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
  UCD120333  Phacelia ciliata Collector unknown 1925-3-21 1791 Yolo Causeway. Comment
  UCD149396  Phacelia ciliata Collector Unknown 1949-1 s.n. Yolo Yolo County. Capay Valley. Hungry Hollow 53 Comment
  UCD120601  Phacelia imbricata D. Sanchez-Mata 1998-6-24 s.n. Yolo Rumsey. Cache Creek Ridge. Cache Creek Canyon Regional Park. 210 Comment
  UCD160557  Phacelia imbricata Ellen Dean; Craig Thomsen 2015-3-21 8607 Yolo Audubon Bobcat Ranch. Western part of ranch, just north of Hwy 128 and N of Putah Creek. Area E of Bray Canyon at northwest end of large escarpment labeled 'spring' on topo maps. Burned in 2014. 260 Comment
  UCD80980  Phacelia imbricata Angelica Sauceda; Ellen Dean, Clare Loughran 2009-4-26 4 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Lower reaches of Bray Canyon. 88 Comment
  UCD34398  Phacelia imbricata Beecher Crampton 1982-3-22 9820 Yolo Yolo County, 4 miles west of Winters on Hwy. 128. Comment
  RSA699656  Phacelia imbricata var. imbricata Lois Weston 1924-4-24 1134 Yolo Putah can Comment
  UCD120714  Phacelia tanacetifolia Dr. A. S. Crafts 1935-3-29 s.n. Yolo Davis. Comment
  UCD33194  Phacelia tanacetifolia Beecher Crampton 1967-5-8 7879 Yolo UC Davis agronomy field. Comment
  UCD88027  Phalaris aquatica Beecher Crampton 1963-5-21 s.n. Yolo UC Davis. Agronomy Experimental Areas. Foundation Seed Field. Comment
  SEINET7294748 Image available Phalaris aquatica var. minor Beecher Crampton 1957-1 2424 Yolo [No precise loc] Comment
  SEINET241295 Image available Phalaris arundinacea Beecher Crampton 1963-7-14 T.O. 2820 Yolo UC Davis agronomy experimental area, plant introduction nursery, row G-96 Comment
  UCD88342  Phalaris brachystachys J. Hardison 1989-5-11 131 Yolo Davis. Between Russell Blvd. and bike path. Comment
  CAS-BOT-BC265927  Phalaris lemmonii L. R. Abrams 1928-5-8 12597 Yolo Between Woodland and Davis Comment
  CAS-BOT-BC265928  Phalaris lemmonii L. R. Abrams 1928-5-8 12603 Yolo Between Woodland and Davis Comment
  HSC10565  Phalaris lemmonii Beecher Crampton 1958-5-19 4826 Yolo Along railroad, Dunnigan Comment
  SBBG115582  Phalaris lemmonii B. Crampton 1953-5-5 1209 Yolo ca. 2.5 mi NE of Davis, Rd 102 Comment
  UC791005  Phalaris lemmonii P. B. Kennedy 1915-4-26 Yolo outskirts Davis 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
  UCD84316  Phalaris lemmonii Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCD89001  Phalaris lemmonii P. B. Kennedy 1915-4-26 s.n. Yolo Outskirts of Davis. Comment
  SEINET11696166  Phalaris lemmonii Unknown 1953-3-31 1048 Yolo Madison Comment
  SEINET4691173  Phalaris lemmonii B. Crampton 1953-5-5 1209 Yolo 2.5 miles northeast of Davis, Rd. 102, small depression in alkaline plain Comment
  RSA10438  Phalaris minor C. B. Wolf 1928-5-8 2130 Yolo Sacramento Valley; 4 miles N of Zamora. Comment
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Jul 28 2014
  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
  UCD88183  Phalaris minor P. Stern 1988-5-19 9 Yolo Davis. Between the Domes and Russell Park complex just W of UCD campus. Comment
  UCD89044  Phalaris minor A. A. Beetle 1946-5-1 4710 Yolo Davis campus. Comment
  UCD89051  Phalaris minor A. A. Beetle 1946-5-1 4711 Yolo Davis campus. Comment
  UCD89056  Phalaris minor A. A. Beetle 1946-5-1 4713 Yolo Davis campus. Comment
  CDA108  Phalaris paradoxa D. G. Kelch 2007-5-18 7 .322 Yolo Yolo Causeway, 0.4 mi E of Levee Rd. / RR crossing. Comment
  UCD21222  Phalaris paradoxa J. Shepard 2000-3-24 92 Yolo Yolo County Grasslands Park: E of Davis, from intersection of I-80 and Mace Blvd., 3 miles S on Mace Blvd. (County Road 104). NW corner of park boundary, at SE corner of intersection of County Roads 104 and 35. 12 Comment
  CAS-BOT-BC250860  Phleum pratense Clarence R. Quick 1970-7-8 70 -29 Yolo In lawn just south of house of Nettie M. Pylman, Merritt Island near Clarksburg Comment
  UCD89633  Phleum pratense Clarence R. Quick 1970-7-8 70 29 Yolo Just south of house of Nettie M. Pylman, Merritt Island near Clarksbrug. Comment
  SEINET893248  Phlomis fruticosa June McCaskill 1954-1 315 Yolo In yard at 914 D Street, Davis Comment
  CDA11606  Phoradendron macrophyllum G. F. Hrusa, T. D. Wilfred 1994-1-29 11590 Yolo Putah Creek Riparian Reserve; Along Putah Creek in UC Putah Creek Reserve approx. 1 m W of University airport. Comment
  CDA22388  Phoradendron macrophyllum G. D. Barbe 1968-1-11 861 Yolo University of California campus, west of extension of Anderson Road, 1/4 miles south of Russell Boulevard, Davis. 0 Comment
  CDA22389  Phoradendron macrophyllum G. D. Barbe 1968-1-11 861 Yolo University of California campus, west of extension of Anderson Road, 1/4 miles south of Russell Boulevard, Davis. 0 Comment
  UC1078783  Phoradendron macrophyllum Job Kuijt 1958-4-20 1507 Yolo 5 mi. n. Guinda (at Cache Creek); Cache Creek Comment
  UCR118877  Phoradendron macrophyllum Beecher Crampton 1960-12-7 5812 Yolo Sacramento Valley, UC Davis campus. 15 Comment
  UCD33888  Phoradendron serotinum subsp. macrophyllum Beecher Crampton 1975-1-20 9103 Yolo Yolo County, Elkhorn Bridge, Hwy. 5 over Sacramento river. Comment
  UCD38980  Phoradendron serotinum subsp. macrophyllum Beecher Crampton 1960-12-7 5812 Yolo UC Davis campus. Comment
  UCD69399  Phoradendron serotinum subsp. macrophyllum J. Shepard 1997-10-24 s.n. Yolo City of Davis. Along College Park (a street just north of campus). Parasitic epiphyte, blown down onto sidewalk. Comment
  SD257374  Phyla nodiflora George K. Helmkamp, Mary Alice Barnes 2013-5-8 20526 Yolo Southern Sacramento Valley: Yolo Bypass Wildlife Area, 0.9 mile southeast of the hunction of Chiles Road and I-80, between Sacreamento and Davis (Davis 7.5'Q) 13 Comment
  UCD125910  Phyla nodiflora Cay Collette 1975-5-10 10 Yolo Knight's Landing. Approximately 20 feet from the Sacramento River. 15 Comment
  UCD125934  Phyla nodiflora M. I. Wibawa 1996-6-2 38 Yolo on north side of Putah Creek, 200 meters west of Old Davis Road. 17 Comment
  UCD160089  Phyla nodiflora Mayra Huerta 2015-4-12 2 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. 160 Comment
  UCD161037  Phyla nodiflora Craig Thomsen 2006-6-30 2613 Yolo Camp Haswell. West side of Cache Creek. 144 Comment
  UCD38924  Phyla nodiflora Beecher Crampton 1961-10-25 6046 Yolo 4 miles NW of Bryte, Yolo Bypass. Comment
  UCD125935  Phyla nodiflora Collector Unknown Date Unknown s.n. Yolo Davis campus. Comment
  JEPS84724  Phyla nodiflora var. nodiflora John W. Willoughby 1979-8-13 4421 Yolo fishing access along State Highway 128 about 1.2 mi nw junction of Hwy 128 and Pleasants Valley Rd (County Rd 86) (Putah Creek); Vaca Mountains, Putah Creek 60 Comment
  UCD126005  Physalis peruviana Beecher Crampton 1963-9-1 s.n. Yolo UC-Davis Campus; outside Department of Plant Pathology greenhouses. Comment
  UCD126783  Physalis philadelphica Donald Penner 1964-7-24 s.n. Yolo on northeast corner of 7th and F streets, Davis. Comment
  UCR148841  Phytolacca americana G. Fred Hrusa 1997-10-13 14118 Yolo Sacramento Valley, Riparian area of Sacramento River immediately south of I-5, c. 5 mi east of Woodland (near tule canal). Mostly along railroad tracks parallel to river on N side 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
  UCR235436  Pinus halepensis George K. Helmkamp, E. A. Helmkamp 2012-4-17 18782 Yolo Sacramento Valley, along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland 65 Comment
  CAS-BOT-BC72813  Pinus sabiniana Roxana Stinchfield 1916-6-26 355 Yolo Foothills along Buckeay Creek, D'Oyly ranch Comment
  UCD135014  Pinus sabiniana Sean O'Hara 1977-4-27 s.n. Yolo North bank of Solano Lake, south side of State Highway 128, east of Monticello Dam. Comment
  UCD94971  Pinus sabiniana Alexis Fuller; Ellen Dean and Clare Loughran 2011-5-8 2 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Lower reaches of Bray Canyon. West side of Bray creek. 82 Comment
  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
  CAS-BOT-BC254395  Piptatherum miliaceum John W. Willoughby 1979-8-13 4408 Yolo Putah Creek, fishing access along State Highway 128 about 2.9 miles NW of the junction of the highway and Pleasants Valley Road [County Road 86] 60 Comment
  UCD89881  Piptatherum miliaceum W. B. McHenry 1967-11-8 s.n. Yolo Old Highway 40, 1/2 mile west of Yolo Bypass. Comment
  SEINET12350281  Piptatherum miliaceum Unknown 1961-8-11 s.n. Yolo UC Davis Campus, Agronomy Seed House Comment
  SEINET242445  Piptatherum miliaceum subsp. thomasii Beecher Crampton 1961-6-30 2223 Yolo UC Davis agronomy experimental area, plant introduction nursery. Comment
  CDA20514  Pistacia atlantica N. Patterson 2004-9-28 PDR 1295822 Yolo Sacramento Valley; Hwy 128 & Valley Oak, Winters. 0 Comment
  UCD15444  Pistacia chinensis Jean Shepard 1996-11-14 s.n. Yolo California, Yolo Co.; city of Davis, along 5th street near intersection with 'L' street. Comment
  SEINET12216215  Pittosporum tenuifolium Unknown 1950-1 s.n. Yolo Davis, University of California campus Comment
  UCD121069  Plagiobothrys A. A. Beetle 1945-2-15 4184 Yolo Putah Creek Canyon, west of Winters. Comment
  UCD121070  Plagiobothrys P. B. Kennedy 1915-4-26 s.n. Yolo Davis. Comment
  UCD21234  Plagiobothrys canescens J. Shepard 2000-4-9 116 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. In field to the north of entrance road. 12 Comment
  UCD35271  Plagiobothrys canescens Beecher Crampton 1955-4-14 2479 Yolo Yolo County; 7.5 miles west of Davis, Moon Ranch. Comment
  UCD82157  Plagiobothrys canescens J. Shepard 2000-4-21 144 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road, then east of parking lots on S side of road. 12 Comment
  UCD120812  Plagiobothrys canescens Fleur Ng'weno 1989-4-19 DQ 7 Yolo D-Q University County Road 31, 9 mi. west of Davis city center. 30 Comment
  UCD161407  Plagiobothrys canescens var. canescens Craig Thomsen 2006-5-10 s.n. Yolo Raised flat adjacent to Hwy 16 across from Camp Haswell. 151 Comment
  UC1278097  Plagiobothrys fulvus Beecher Crampton 1955-4-11 2473 Yolo ca 7 mi w Davis; Moon Ranch Comment
  UCD160099  Plagiobothrys fulvus var. campestris Emily Howard 2015-4-12 2 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. 170 Comment
  UCD36522  Plagiobothrys fulvus var. campestris Beecher Crampton 1954-4-15 1770 Yolo 2 miles west of city of Winters. Comment
  UCR119138  Plagiobothrys greenei Beecher Crampton 1967-4-12 7830 Yolo Sacramento Valley, 2 miles west of Winters. 46 Comment
  UCD55492  Plagiobothrys humistratus J. Shepard; E. Dean, B. Rice, P. and R. Unger, B. Salvia 2004-3-28 659 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east on unpaved entrance road .4 mi., about 40 yd. west of DOD fence, thence south .25 mi. South of posted vernal pool area. 10 Comment
  POM197465  Plagiobothrys leptocladus L. R. Abrams 1928-5-8 12600 Yolo Between Woodland and Davis. Comment
  UCD120921  Plagiobothrys nothofulvus H. Popenoe 1949-4-11 3 Yolo Above Rumsey on Cache Creek. 167 Comment
  UCD121002  Plagiobothrys stipitatus M. Wiesendanger 1927-4-29 585 Yolo Davis. 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
  SEINET12350539  Plagiobothrys stipitatus Unknown 1953-3-29 1043 Yolo 1.5 mi N of Davis Comment
  UCD144443  Plagiobothrys stipitatus var. micranthus Carol W. Witham 2003-4-7 877 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 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
  UCD21284  Plagiobothrys stipitatus var. micranthus J. Shepard 2000-5-1 179 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
  UCD84355  Plagiobothrys stipitatus var. micranthus Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  CDA40657  Plagiobothrys stipitatus var. micranthus G. D. Barbe 1987-4-3 4265 Yolo Yolo By-Pass, north of I-80, east of west levee, 5 miles east of Davis. 0 Comment
  CDA31055  Plagiobothrys stipitatus var. stipitatus Viola Popescu 2010-3-17 s.n. Yolo Aeromodelling Club. Rte 102 between Davis and Woodland. Comment
  UCD21357  Plagiobothrys stipitatus var. stipitatus J. Shepard 2001-3-9 386 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. The north one of two large vernal pools straddling Department of Defense fence. 12 Comment
  CHSC79270  Plagiobothrys tenellus Beecher Crampton 1953-4-9 1068 Yolo 2 miles west of Winters. Comment
  UCD39081  Planodes virginica Beecher Crampton 1963-3-20 6713 Yolo UC Davis Campus, Alden Pond, Irrigation Dept. Project. Comment
  RSA0054823  Plantago Keith E. Hoffmaster 1939-4-15 929 Yolo Davis, 1 mi North. 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
  UCD158835  Plantago coronopus A. M. Shapiro 1995-9-3 s.n. Yolo Yolo County, West Sacramento, in mud along slough north of West Capitol Avenue. Comment
  UC917129  Plantago erecta R. H. Miller 1949-4-3 10 Yolo Putah Canyon Comment
  UCD21530  Plantago erecta Joe DiTomaso 2003-4-23 s.n. Yolo west of Winters, off Road 87. Comment
  UCD15548  Plantago lanceolata Lara Hawthorne 1989-4-15 6 Yolo UC Davis Campus. 15 Comment
  UCR118885  Plantago major Beecher Crampton 1961-10-25 6055 Yolo Sacramento Valley, 2 miles west of Bryte, County Road 127, confluence of the Sacramento and Yolo Bypass. 15 Comment
  CHSC79368  Plectritis ciliosa Beecher Crampton 1967-5-3 7851 Yolo 2 miles west of Winters. Comment
  UCD20805  Plectritis ciliosa N. Nicola; C. Kremen 2001-3-16 21 Yolo Eastern foothills of inner north coast range, Capay Valley, 0.9 miles as the crow flies N. of Rumsey; Lowrey Ranch. Comment
  UCD33055  Pleuropogon californicus Beecher Crampton 1966-4-19 7652 Yolo Yolo County, 1/4 mile south of Saxon station site. Comment
  UCD41011  Pleuropogon californicus Carol W. Witham 2003-4-11 941 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD90152  Pleuropogon californicus var. californicus Beecher Crampton 1973-4-16 8918 Yolo Saxon S.W. 1 Comment
  UCD58072  Poa Ellen Dean; K. Mawdsley 2007-4-6 3612 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 462 Comment
  UCD18426  Poa annua Gabor Bethlenfalvay 1973-4-23 3 Yolo city of Davis, Covell Blvd. and Anderson Rd. 15 Comment
  UCD36834  Poa annua Beecher Crampton 1956-2-7 3216 Yolo Yolo County, city of Winters eastern city limits. Comment
  UCD37379  Poa annua Beecher Crampton 1960-3-2 5478 Yolo Yolo County, city of Davis, University of California campus. Comment
  UCD73599  Poa annua Ellen Dean; Elizabeth Goebel 2008-4-7 4731 a Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat in the northeastern part of the ranch that is accessed by a private road at the end of Moody Slough Road. 70 Comment
  UCD37513  Poa bulbosa Beecher Crampton 1961-4-3 5848 Yolo Yolo County, city of Davis, Southern Pacific Railroad Station. Comment
  SEINET242434 Image available Poa pratensis Beecher Crampton 1961-4-10 s.n. Yolo UC Davis campus, Agronomy Experimental Area, row B-14. T.O. 2426, Oryzopsis coerulescens. Comment
  UCD91853  Poa pratensis E. G. Cakin 1947-3-27 s.n. Yolo Davis. Comment
  UCD91884  Poa pratensis Beecher Crampton 1962-4-26 s.n. Yolo Davis Campus, Agronomy Experimental Areas, Plant Introductory Nursery. Comment
  UCD91900  Poa pratensis Beecher Crampton 1969-4-18 8399 Yolo Davis. Russell Blvd. and University Avenue. Comment
  UCD90766  Poa secunda subsp. secunda Beecher Crampton 1953-5-5 1210 Yolo 1.5 miles NE of Davis. Comment
  UCD90813  Poa secunda subsp. secunda Beecher Crampton 1962-5-1 6368 Yolo 1.5 miles SW of Saxon Station, Sacramento Northern Railroad. Comment
  UCD91710  Poa secunda subsp. secunda Jack Maze 1963-3-8 11 Yolo 3/4 mile E of Recreation Beach, State Highway 128. Comment
  UCD125257  Pogogyne douglasii A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  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
  UCR212352  Pogogyne douglasii Ayzik Solomeshch 2003-5-30 s.n. Yolo Dept. of Fish and Game Glide Tule Ranch, about 8 miles SE of Davis 6 Comment
  UCD125403  Pogogyne douglasii W. R. Russell; C. B. Heiser 1947-5-3 1908 g Yolo Under Yolo Causeway. Comment
  UCD33975  Pogogyne douglasii Beecher Crampton 1975-6-11 9214 Yolo 1/4 mile south of Saxon Station. Comment
  RSA654047  Pogogyne douglasii subsp. parviflora Beecher Crampton 1975-5-23 9203 Yolo 1 mile SW of Saxon Station Comment
  UCD125478  Pogogyne zizyphoroides Carol W. Witham 2003-4-7 892 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD21428  Pogogyne zizyphoroides J. Shepard 2002-4-18 524 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
  SEINET3442589  Polygonum arenastrum Goodwin 1932-5-3 Yolo Davis, Davis Comment
  CDA22753  Polygonum aviculare P. M. Goodwin 1932-5-3 Yolo Davis. 0 Comment
  SEINET5728967 Image available Polygonum aviculare Jeffrey Lowe 1967-1 8 Yolo ca. 100 yards behind administration Building, University of California; Davis 15 Comment
  CAS-BOT-BC414159  Polygonum aviculare subsp. aviculare P. M. Goodwin 1932-5-3 s.n. Yolo Davis Comment
  CAS-BOT-BC414160  Polygonum aviculare subsp. aviculare John Thomas Howell 1963-6-2 39382 Yolo Woodland Comment
  UCD99997  Polygonum aviculare subsp. depressum P. M. Goodwin 1932-5-3 s.n. Yolo Davis. Comment
  CDA21291  Polygonum lapathifolium G. F. Hrusa, C. & E. Dogwin 2007-10-18 17078 Yolo Sacramento Delta; Boat launch area on W side of Sacramento River approx. 1 mi. N of Hood. 3 Comment
  POM181760  Polygonum lapathifolium H. F. Copeland 1925-9-20 562 Yolo Yolo County: W bank of Sacramento River. Comment
  UCD38281  Polygonum ramosissimum subsp. ramosissimum B. Crampton 1952-10-27 881 Yolo About 3 miles north of Davis. Comment
  UCD37197  Polypogon maritimus Beecher Crampton 1958-5-28 4838 Yolo North Davis. Comment
  UCD91163  Polypogon maritimus Collector Unknown 1941-8-1 s.n. Yolo Peterson Ranch, Cache Slough. Comment
  POM113069  Polypogon monspeliensis Chas. H. Quibell 1926-08 s.n. Yolo Bed of North Branch of Putah Creek near Davis. 15 Comment
  UCD141687  Polypogon monspeliensis Ellen Dean; M. Taylor 2013-6-19 7800 Yolo Along Putah Creek by Los Rios Farms between Mace Blvd. (County Road 104) and the Yolo bypass wildlife area. Los Rios Farms is on the border of DFG lands northeast of the intersection of County Roads 35 and 106. These plants were found in, or near, LRF Plot 3E of the Putah Creek vegetation survey. 6 Comment
  UCD36112  Polypogon monspeliensis Beecher Crampton 1952-11-1 905 Yolo Yolo County, 1.5 miles north of city of Davis. Comment
  UCD59367  Polypogon monspeliensis Ellen Dean; Kate Mawdsley 2007-6-8 3843 Yolo Tuleyome Ireland Ranch, Inner Coast Ranges, northwest of the city of Winters, between Salt Creek and Enos Creek, just N of Wild Cow Mtn. Western part of ranch near stock pond. 627 Comment
  UCD59397  Polypogon monspeliensis Ellen Dean; Kate Mawdsley 2007-6-8 3870 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
  UCD160926  Polypogon viridis J. Shepard 1999-5-6 13 Yolo City of Davis. Intersection of Monarch Ln. and Campbell Pl., SE corner. 10 Comment
  UCD110620  Populus fremontii subsp. fremontii Cay Collette 1975-4-12 8 Yolo Knight's Landing. Approx. 15' from Sacramento River. 15 Comment
  UCD34631  Populus fremontii subsp. fremontii Beecher Crampton 1986-9-23 10077 Yolo Yolo County, Putah Creek south of University airport. Comment
  UCD21197  Populus nigra J. Shepard 2000-2-19 51 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. Northeast of parking lot, in rows. 12 Comment
  CAS-BOT-BC445256  Portulaca oleracea Clarence R. Quick 1970-7-3 70 -26 Yolo Merritt Island near Clarksburg Comment
  UCD100111  Portulaca oleracea Morris Halperin 1932-7-18 s.n. Yolo Univ. Farm Campus, Davis. Comment
  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
  UCD122112  Proboscidea louisianica subsp. louisianica Charles B. Heiser Jr. 1947-7-8 1953 Yolo along county road between Davis and Woodland. About 5 mi. N. of Davis. Comment
  UCD19107  Proboscidea parviflora E. W. Jameson Jr. 1987-9-14 s.n. Yolo City of Davis. Garden in Willowbank. Comment
  LA26130  Prosopis glandulosa var. torreyana W. R. Russell; 1957-7-22 sn Yolo In neglected yard in central part of town, Winters Comment
  SEINET10771513  Prunus dulcis Stephanie Frischie 2000-10-7 Frischie 127 Yolo Davis Farmers' Market, Davis, CA. Comment
  UCD113152  Prunus dulcis S. McKinney; C. Buchanan, R. Dippel 2002-4-27 17 Yolo west of the town of Davis. UC Davis Ecosystem Reserve. North side of Putah Creek, just west of the UC Davis Landfill on Pedrick Road. 30 Comment
  UCD161134  Pseudognaphalium luteoalbum Jean Shepard 2001-3-20 402 Yolo UC Davis campus, SW corner of Russell Blvd. and Howard Way. Comment
  UCD20601  Pseudognaphalium luteoalbum E. Dean; with M. Bibbo 2002-7-5 1145 Yolo McLaughlin UC Reserve. Clover Valley, W of main road that goes N-S through valley. 457 Comment
  UCD73722  Pseudognaphalium luteoalbum Ayzik Solomeshch 2004-5-14 s. n. Yolo Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch. 83 Comment
  CAS-BOT-BC357581  Pseudognaphalium stramineum Clarence R. Quick 1970-7-8 70 -31 Yolo In yard of Nettie M. Plyman, Merrit [Merritt] Island near Clarksburg Comment
  UCD81543  Pseudognaphalium stramineum W. W. Robbins; W. D. Norton 1928-8-1 1426 Yolo near Clarksburg. Comment
  RSA10435  Psilocarphus brevissimus C. B. Wolf 1928-5-8 2133 Yolo Sacramento Valley; 4 miles N of Zamora. Comment
  RSA654914  Psilocarphus brevissimus Beecher Crampton 1952-11-7 911 Yolo About 3 miles northwest of Davis. Comment
  UCD82173  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
  CAS-BOT-BC361736  Psilocarphus brevissimus var. brevissimus Doris K. Kildale 1928-5-8 5028 Yolo 12 miles north of Dixon Comment
  SBBG28508  Psilocarphus brevissimus var. brevissimus C. B. Wolf 1928-5-8 2136 Yolo Sacramento Valley, 12 mi N of Dixon (Dick'son) Comment
  UCD21294  Psilocarphus brevissimus var. brevissimus J. Shepard 2000-5-8 233 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road almost to east boundary of park - Air Force installation - and south along narrow track. 12 Comment
  UCD21390  Psilocarphus brevissimus var. brevissimus J. Shepard 2001-4-27 434 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road approximately 0.25 miles. Growing in ruts on north side of road. 12 Comment
  UCD84317  Psilocarphus brevissimus var. brevissimus Ayzik Solomeshch 2009-5-19 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCD41304  Psilocarphus oregonus Ellen Dean; Jean Shepard 2003-5-18 1807 Yolo Russell Ranch Property belonging to UC Davis, west of Davis, south of Russell Blvd. Parcels west and east of road 95A, south of Putah Creek and Stevens Bridge. 15 Comment
  UCD133717  Psilocarphus oregonus Beecher Crampton 1978-5-8 9574 Yolo 1/4 mile south of Saxon Station. NE. quarter. Comment
  UCD34980  Psilocarphus tenellus Beecher Crampton 1996-4-22 10338 Yolo Yolo County, 3.5 miles S.E. of Woodland, along Mavis-Henson (Field) road, just east of its jct. with county road 102 and just south of road 25, T9N R2E, sect 11. Comment
  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
  RSA0054940  Psoralea Keith E. Hoffmaster 1939-4-26 933 Yolo Putah can. Comment
  UCD117079  Ptelea crenulata W. A. Williams 1975-9-18 s.n. Yolo 8 miles NW of Esparto, E slope of Bald Mountain. Comment
  UCD34177  Pterocarya stenoptera Beecher Crampton 1977-8-23 9523 Yolo Yolo County, Davis, Stree tree along 5th street between C and D streets. Comment
  SBBG698  Puccinellia nutkaensis A. A. Beetle -- 4727 Yolo 5 mi SE of Woodland Comment
  UCD93361  Puccinellia nutkaensis Beecher Crampton 1953-5-5 1207 Yolo Yolo County, 6 miles north of city of Davis, on Road 102. Comment
  RSA656714  Puccinellia simplex Beecher Crampton 1955-3-28 2346 Yolo 4.5-5 miles southeast of Woodland, at junction of County Roads 25 and 103. Comment
  SBBG115385  Puccinellia simplex B. Crampton 1985-4-10 9914 Yolo 3.5 mi SE of Woodland Comment
  SEINET208828 Image available Puccinellia simplex R. J. Planck 1963-5-12 34 Yolo G. Street 1 mile north of its intersection with 11th Street Davis. Comment
  UCD37544  Puccinellia simplex Beecher Crampton 1955-3-28 2346 Yolo Yolo County, 4.5-5 miles southeast of Woodland, at junction of County Roads 25 and 103. Comment
  UCD92215  Puccinellia simplex A. A. Beetle 1946-4-15 4370 Yolo Woodland airport. Comment
  UCD92218  Puccinellia simplex Beecher Crampton 1952-10-27 878 Yolo Yolo County, I.5 miles north of city of Davis. Comment
  UCD92219  Puccinellia simplex Beecher Crampton 1954-4-21 1777 Yolo 1.5 miles north of city of Davis. Comment
  UCD92224  Puccinellia simplex Beecher Crampton 1955-3-28 2346 Yolo Yolo County, 4.5-5 miles southeast of Woodland, at junction of County Roads 25 and 103. Comment
  UCD92251  Puccinellia simplex R. Tofsrud 1949-4-1 s.n. Yolo Near Davis dump. Comment
  UCR118985  Puccinellia simplex Beecher Crampton 1954-4-21 1777 Yolo Sacramento Valley, 1.5 miles north of city of Davis. 15 Comment
  UCR119081  Puccinellia simplex Beecher Crampton 1952-10-27 878 Yolo Sacramento Valley, 1.5 miles north of city of Davis, along Southern Pacific railroad property. 15 Comment
  SEINET10869062  Puccinellia simplex Laura A. Blankinship 1893-5-6 Blankinship s.n. Yolo Woodland Comment
  SEINET10628530  Pyrus Stephanie Frischie 2000-10-7 Frischie 125 Yolo Davis Farmers' Market, Davis, CA. Comment
  HSC24339  Quercus X morehus J. P. Smith, J. O. Sawyer 1972-2-20 5068 Yolo 3 mi E of Solano Co. line along Putah Creek Comment
  SBBG104700  Quercus X morehus V. C. Forcella 1987-11-22 Yolo St Hwy 16, a few mi N of Guinda Comment
  UCD73674  Quercus X morehus 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
  UCD58068  Quercus agrifolia Ellen Dean; K. Mawdsley 2007-4-6 3608 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 507 Comment
  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
  UCD20584  Quercus chrysolepis E. Dean; with M. Bibbo 2002-7-5 1127 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 2 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 472 Comment
  UCD45476  Quercus chrysolepis Don K. Sexton 1955-10-16 s.n. Yolo Along U.S. Highway 40 near point of intersection with Old Davis Highway (Olive Road), ca. 1/2 mile east of Davis, Yolo County, California. Comment
  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
  SACT002128  Quercus engelmannii J. Tucker 1958-4-27 Yolo north edge of University Aboretum Comment
  UCD46861  Quercus lobata M. Wiesendanger 1927-5-4 637 Yolo Valley Oak. Putah Canyon. Comment
  UCD46881  Quercus lobata Beecher Crampton 1977-10-8 9542 Yolo ca. 4.5 miles west of Winters (by road) along State Hwy. 128. Comment
  UCD63074  Quercus lobata Ellen Dean 2008-4-9 4783 Yolo Tuleyome Ireland Ranch. Central part of Ranch. Upper reaches of main canyon that starts near upper part of main loop road. In drainage that leads to canyon downslope of stock pond. 602 Comment
  SEINET13953541 Image available Quercus lobata Eilif Dahl 1962-1 Yolo Davis Comment
  SEINET6696108 Image available Quercus suber J. M. Tucker 1965-1 s.n. Yolo Davis campus, Davis. Comment
  CAS-BOT-BC474555  Quercus virginiana Jean Shepard 2011-11-7 860 Yolo City of David, From intersection of Covell and Alhambra, 1/4 mi S on Alhambra, W side of street 10 Comment
  UCD160925  Quercus virginiana J. Shepard 2011-11-7 860 Yolo City of Davis. From intersection of Covell and Alhambra, 1/4 mi S on Alhambra, W side of street. 10 Comment
  UC1228171  Rafinesquia californica Beecher Crampton 1961-5-22 5875 Yolo 5 mi w Winters (along Calif Hwy 128) Comment
  UCD95853  Ranunculus aquatilis var. diffusus E. M. Johnston 1916-4-1 s.n. Yolo Woodland. Comment
  RSA82832  Ranunculus hebecarpus R. B. Griffith 1949-4-11 17 Yolo Yolo County: E of Cache Creek, 5.5 miles N of Rumsey Comment
  UCD62846  Ranunculus hebecarpus Michael J. Bower; Plant Biology 102 students 2008-4-6 4 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. 100 Comment
  UCD96136  Ranunculus hebecarpus Rolf Y. Berg 1964-3-14 8010 Yolo State Highway 16, 2.5 miles northwest of Rumsey. Comment
  RSA481920  Ranunculus hebecarpus Aaron Liston, James D. Morefield 1988-3-20 713 -1 Yolo 1 miles E of Cache Creek County Park, above Cache Creek. 250 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
  UCD56709  Ranunculus occidentalis Ellen Dean; M. Bibbo 2007-3-23 3402 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SW portion of ranch. 649 Comment
  SEINET215114  Ranunculus occidentalis A. Sutherland 1963-2-20 3 Yolo CA Hwy 128 ca 10 mi E of boat landing on Lake Berryessa Comment
  SEINET5731462 Image available Raphanus raphanistrum Robert Sowers 1975-1 2 Yolo Tulip Lane.; Davis 14 Comment
  SEINET10735197  Raphanus sativus Stephanie Frischie 2000-9-27 Frischie 85 Yolo Davis Farmers' Market, Davis, CA. Comment
  UCR237587  Raphanus sativus George K. Helmkamp, E. A. Helmkamp 2012-3-9 18605 Yolo Sacramento Valley, East Main Street (Co. Rd. 22), Woodland (parallel to I-5), 1.7 mile west of the Sacramento River 7 Comment
  UCR237590  Raphanus sativus George K. Helmkamp, E. A. Helmkamp 2012-3-9 18615 Yolo Sacramento Valley, County Road 16, 2.1 miles east of its junction with County Road 102; at the area where the road turns sharply north, c. 4 miles NE of Woodland 17 Comment
  CDA16211  Raphanus sativus G. F. Hrusa 1999-4-25 15025 Yolo Sacramento Valley; Roadside at I-5 exit to River Rd., +- 3-4 mi S of Woodland on W side. 0 Comment
  SEINET11261085  Raphanus sativus Larry Reynolds 1984-5-5 3 Yolo Putah Creek at Pedrick Raod.; 0 Comment
  SEINET5731468 Image available Raphanus sativus Bradford Bearce 1965-1 17 Yolo On Hwy 128, 7 mi. W of Winters.; Winters Comment
  UCD14495  Rhamnus davurica John M. Tucker 1981-5-19 4455 Yolo California, Yolo Co.; University of California, Davis, Dept. of Environmental Horticulture shrub block; Comment
  POM136583  Rhamnus tomentella subsp. tomentella C. F. Baker 1903-5-7 3071 Yolo Rumsey. Comment
  UC735732  Rhaponticum repens Chas. Heiser 1947-6-19 1934 Yolo West Sacramento Comment
  SBBG4067  Rhus aromatica S. Shannon 1959-3-20 1 Yolo Cache Crk cyn, 6 mi NW of Rumsey, St Hwy 16 Comment
  UCD116915  Rhus aromatica P. McFarland 1997-5-10 014 Yolo Along Putah Creek just east of Hwy 128 across from Stebbin's Reserve parking area. 170 Comment
  SEINET3871794  Rhus trilobata Richard R. Halse 2010-3-21 7831 Yolo Along State Hwy. 16 ca 7.6 miles S of its junction with State Hwy. 20 or 5.7 miles northwest of Rumsey.; 0 180 Comment
  UCD142320  Ricinus communis K. Esau; D. Hartmann 1941-8-19 s.n. Yolo Knights Landing. Comment
  UCD21253  Robinia pseudoacacia J. Shepard 2000-4-13 136 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. Near entrance road, just to the north between road and parking lot to N of entrance road. 12 Comment
  UCD96086  Romneya coulteri C. P. Pease 1995-6-3 s.n. Yolo City of Davis, east of UC Davis campus; next to Experimental College Gardens. 16 Comment
  UCD115302  Rorippa curvisiliqua Collector unknown 1932-5-1 s.n. Yolo Putah Creek. 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
  UCD92309  Rostraria cristata R. Tofsrud 1949-5-1 s.n. Yolo ca. 3 miles west of Winters. Comment
  UCD168443  Rubus armeniacus Ellen Dean 2017-3-15 9265 Yolo Audubon Bobcat Ranch, lands north of Hwy 128, just east of Monticello Dam. Bray Canyon and vicinity on the western side of ranch. Ranch burned once each year in 2014, 2015, 2016. 2017 has been a high rainfall year. Lower reaches of Bray Canyon, in creek on rocky/pebbly island on west bank of creek. 85 Comment
  UCD58488  Rubus armeniacus J. Shepard 2007-7-4 811 Yolo Co. Rd. 22 east of Woodland, 4.8 mi. east of junction with Co. Rd.102. Growing along south side of road near ditch. Comment
  UCD167574  Rubus ursinus H. Olmo; T. S. Mallah 1952-3-1 52 08 21M Yolo California. Yolo County: UC Davis Experimental Plots. Comment
  JEPS84656  Rumex conglomeratus John W. Willoughby 1976-7-29 1824 Yolo about 1.2 mi nw State Hwy. 128 and County Rd 86 (Pleasants Valley Rd) jct (at fishing access along State Hwy 128, near Putah Creek); Vaca Mountains, Putah Creek 60 Comment
  JEPS84658  Rumex conglomeratus John W. Willoughby 1976-7-29 1816 Yolo about 1.2 mi nw State Hwy. 128 and County Rd 86 (Pleasants Valley Rd) jct (at fishing access along State Hwy 128, along Putah Creek); Vaca Mountains, Putah Creek 60 Comment
  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
  UCD23200  Rumex conglomeratus A. Solomeshch 2002-4-30 s.n. Yolo Glide Ranch. 2.5 miles SSE from intersection of Rd 105 and Rd 38. Comment
  UC452563  Rumex crispus Tracy J. Storer 1912-6-27 Yolo Rumsey Comment
  UCD101134  Rumex crispus Cay Collette 1975-5-17 19 Yolo Knight's Landing. Along levee roadside, Sacramento River. 15 Comment
  UCD101136  Rumex crispus A. S. Crafts 1926-7-8 439 Yolo University Farm Campus, Davis. Comment
  SEINET4199900  Rumex crispus Schank 1959-3-28 s.n. Yolo 10 mi N of Davis on a back country road 15 Comment
  UCD101308  Rumex hymenosepalus Beecher Crampton 1959-5-18 s.n. Yolo UC Davis: Agronomy Experimental Areas, Davis campus. Comment
  UCD81391  Rumex occidentalis M. Wiesendanger 1927-4-29 591 Yolo Davis. University Farm. Comment
  UCD73614  Rumex pulcher Ellen Dean; Elizabeth Goebel 2008-4-7 4741 a Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat in the northeastern part of the ranch that is accessed by a private road at the end of Moody Slough Road. 70 Comment
  UCD81060  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
  UCD15908  Ruta graveolens Leticia Mosqueda 1975-2-2 s.n. Yolo City of Woodland. Obtained from the Mosqueda family (Alicia and Concepcion) at 319 North Walnut Street. Comment
  UCSB31252  Sabal texana Vernon I. Cheadle 1958-8-13 G 513 Yolo collected in the Botany Department Greenhouse of the University of California, Davis Botany Dept. Greenhouse Comment
  RSA735363  Salix Keith E. Hoffmaster 1946-4-13 1237 Yolo Putah Canyon. Comment
  UCD41158  Salix N. Nicola 2002-4-10 176 Yolo Eastern foothills of inner north coast range, Berryessa Valley. About 1.2 miles as the crow flies east of Monticello Dam, off of Hwy 128, south side of creek. Comment
  UCD41159  Salix N. Nicola 2002-4-10 175 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
  CAS-BOT-BC103039  Salix bonplandiana Beecher Crampton 1986-8-26 10052 Yolo ca. 5-6 miles west of Winters along Putah Creek, public access area Comment
  CAS-BOT-BC129704  Salix bonplandiana Roxana Stinchfield 1916-7-1 364 Yolo Mouth of Buckeye Creek Comment
  UCD110787  Salix breweri Edward L. Smith 1967-4-8 s.n. Yolo Putah Creek Canyon; at Monticello Dam, ca. 7 miles west of Winters. 76 Comment
  UCD110790  Salix breweri Edward L. Smith 1967-5-7 s.n. Yolo Putah Creek Canyon, 7 miles west of Winters. 76 Comment
  UCD110900  Salix exigua Cay Collette 1975-5-31 20 Yolo Knight's Landing. 10' from Sacramento River. 15 Comment
  UCD110921  Salix exigua Joseph M. DiTomaso 1976-4-9 383 Yolo Below Monticello Dam at Lake Berryessa, above Putah Creek. 121 Comment
  UCD110933  Salix exigua P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co. Clarksburg -- Sacramento River. Comment
  UCD110948  Salix exigua M. I. Wibawa 1996-6-2 39 Yolo Along the N side of Putah Creek. 17 Comment
  UCD15079  Salix exigua Steven E. Smith 1977-4-15 12 Yolo Yolo Co.; U.C. Davis, on the north bank of the South Fork of Putah Creek (1/4 mile) east of Old Davis Road, 1.3 miles south of Mrak Hall; 15 Comment
  UCD34614  Salix exigua Beecher Crampton 1986-9-3 10061 Yolo Yolo County, 4 miles N.W. of Davis, Willow Slough and road 99. Comment
  UCR146300  Salix exigua Beecher Crampton 1987-3-31 10091 Yolo 6.5 mi west of Winters along Putah Creek Comment
  CAS-BOT-BC227868  Salix exigua var. hindsiana Beecher Crampton 1986-9-3 10061 Yolo 4 miles N.W. of Davis, Willow Slough and road 99 Comment
  CAS-BOT-BC227867  Salix fluviatilis Beecher Crampton 1986-9-4 10065 Yolo Solano County border, Mace road crossing at south fork of Putah Creek ca. 3 miles S.E. of Davis Comment
  CAS-BOT-BC104024  Salix gooddingii H. K. Wagnon 1983-4-25 1715 Yolo West Sacramento near the locks along Sacramento River Comment
  CAS-BOT-BC104028  Salix gooddingii A. A. Heller 1902-4-29 5419 Yolo Near Madison Comment
  POM167013  Salix gooddingii C. F. Baker 1903-5-7 2936 Yolo Rumsey. Comment
  SEINET3828559  Salix gooddingii George K. Helmkamp, E. A. Helmkamp 2012-1 18783 Yolo Sacramento Valley: along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland (Madison 7.5') 65 Comment
  UCD110962  Salix gooddingii G. F. Hrusa 1996-3-25 12698 Yolo S bank of Tule Canal, approx. 1/2 mile E of Interstate 5 on S side of Yolo Bypass. 30 Comment
  UCD16134  Salix gooddingii Maura Cullinane 1983-5-10 20 Yolo California. Yolo County: N. on Frontage Rd. from Davis, turn left at Golf Course and go until cross stream, site #6. 15 Comment
  UCD81001  Salix gooddingii Drew Maraglia 2009-4-15 2 Yolo Mavis Henson Field, owned by city of Woodland. East side of County Road 102, just south of County Road 25. Western edge of drainage pond. 9 Comment
  UCR235435  Salix gooddingii George K. Helmkamp, E. A. Helmkamp 2012-4-17 18783 Yolo Sacramento Valley, along County Road 26, 1.4 miles west of its intersection with Road 89, c. 12 miles WSW of Woodland 65 Comment
  UCD111142  Salix laevigata Milton Workman 1953-3-21 16 Yolo Putah Creek bank near rodeo arena, University of California, Davis. 12 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
  UCD34645  Salix laevigata Beecher Crampton 1987-3-31 10090 Yolo Yolo County, 6.5 miles west of Winters along Putah Creek. 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
  UCD161078  Salix lasiandra var. lasiandra Craig Thomsen 2006-6-30 2622 Yolo Rumsey Canyon along Cache Creek. Otis-Camp Haswell Yolo County Park. West side of Cache Creek. 144 Comment
  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
  UCD111598  Salix lasiolepis Cay Collette 1975-4-12 7 Yolo Knight's Landing, approx. 10' from Sacramento River. 15 Comment
  UCD34623  Salix lasiolepis Beecher Crampton 1986-9-8 10069 Yolo Yolo County, Sacramento River, 3.5 miles north of Elkhorn, sandy flat. Comment
  UCD34652  Salix melanopsis Beecher Crampton 1987-4-25 10096 Yolo Yolo County, Solano County border, Mace road crossing of south fork of Putah Creek, ca. 3 miles S.E. of Davis. Comment
  UCD162439  Salpichroa origanifolia Frank Thomas 1935-10-10 s.n. Yolo Esparto. Comment
  UCR55543  Salpichroa origanifolia Geraldine Y. Rippengale 1988-1 s.n. Yolo Just west of Yolo Airport, on Rippengale Property, between county roads 29 and 31, W side of County Road 95; around pump area Comment
  CAS-BOT-BC403784  Salpichroa origanifolia Q. L. Holdeman 1970-6-12 s.n. Yolo N.W. corner of 5th & G Streets, Davis Comment
  UCD34176  Salpichroa origanifolia Beecher Crampton 1977-8-23 9522 Yolo Yolo County, Davis, Vacant lot along G st. between 5 and 6 streets. Comment
  UCD149334  Salsola tragus Collector Unknown 1932-5-31 s.n. Yolo City of Woodland. 25 Comment
  UCD21313  Salsola tragus J. Shepard 2000-5-20 260 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. Past parking lot on north side of entrance road. Growing in mounds of soil used as backstops for archery targets. 12 Comment
  UCD38944  Salsola tragus Beecher Crampton 1961-10-17 6030 Yolo UC- Davis campus southeast of the airport, along old Putah Creek channel. Comment
  JEPS15255  Salvia carduacea Rimo Bacigalupi with S. Galen Smith 1950-4-16 3127 Yolo about 5 mi nw Rumsey (at bend in Cache Creek Canyon; at Yolo - Colusa County boundary, e edge of Inner North Coast Ranges); Inner North Coast Ranges Comment
  UC1053296  Salvia grahamii June McCaskill 1954-5-24 314 Yolo Davis; in yard at 914 D Street Comment
  SEINET893243  Salvia leucantha J. P. Fairbank 1962-1 s.n. Yolo At 728 Elmwood Drive, Davis Comment
  SEINET893233  Salvia microphylla June McCaskill 1954-1 314 Yolo 914 D Street, Davis Comment
  UCD15075  Sambucus mexicana Susan J. Schmidale 1977-4-16 13 Yolo California, Yolo Co.; Davis, ca. 1/4 mile east of Highway 113, 1/4 mile west of the Southern Pacific Railroad Tracks and 1/2 mile north of Road 29; 15 Comment
  SBBG50913  Sambucus nigra subsp. caerulea J. D. Watjen 1969-4-27 30 Yolo State Hwy 128, 7 mi W of Winters, Putah Crk Cyn Comment
  UCD13193  Sambucus nigra subsp. caerulea Steven Scardaci 1976-4-28 26 Yolo Davis. 100 ft from the intersection of Russell Blvd. and La Rue Rd. Comment
  UCD13215  Sambucus nigra subsp. caerulea Steve Daniel 1986-5-16 28 Yolo Along hwy 128/Covell Blvd, 8 mi W of Davis, S side of the rd. Comment
  UCD137618  Sambucus nigra subsp. caerulea A. S. Crafts 1926-6-1 163 Yolo University Farm Campus, Davis. Putah Creek. 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
  UCD67990  Sambucus nigra subsp. caerulea M. Thibodeau 1995-5-24 21 Yolo Along Putah Creek, at University of California, Davis picnic grounds. Found on North side of creek, on streambank. A large shrub. 17 Comment
  CAS-BOT-BC227677  Sanguisorba Don Sexton 1963-5-24 s.n. Yolo Unspecified Comment
  JEPS84636  Sanicula bipinnata John W. Willoughby 1977-3-16 1911 Yolo low foothills n State Highway 128 (1.3 mi e of its junction with Pleasants Valley Rd (County Rd 86), large turnout on n side of hwy, apricot orchard s of hwy); Vaca Mountains 48 Comment
  RSA471436  Sanicula bipinnata Glenn A. Gorelick, Chang 1966-3-22 s.n. Yolo Growing along roadside, Road 22, Putah Canyon, approx. 2 miles from hwy 128. Comment
  UCD128000  Sanicula bipinnata Ogden C. Riddle 1942-3-30 40 Yolo south Putah Canyon. Comment
  UCD47835  Sanicula bipinnata Ryan Knox; E. McDermott and G. Walden 2002-4-13 28 Yolo Yolo Co., McLaughlin UC Reserve, W side of Davis Creek Reservoir, along road that goes from Soda Spring area to Rayhouse Rd. 0.5 airline mile due N of Soda Springs and 1.0 airline mile WNW of UC Davis Aquatic Lab facility. 516 Comment
  UCD58069  Sanicula bipinnata Ellen Dean; K. Mawdsley 2007-4-6 3609 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 507 Comment
  UCD63067  Sanicula bipinnata Ellen Dean 2008-4-9 4776 Yolo Tuleyome Ireland Ranch. Central part of Ranch. Upper reaches of main canyon that starts near upper part of main loop road. Above stockpond. 595 Comment
  UCD73629  Sanicula bipinnatifida Ellen Dean; Elizabeth Goebel 2008-4-7 4756 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat, west of Dry Creek road crossing. 83 Comment
  UCD39507  Sanicula bipinnatifida Beecher Crampton 1978-3-16 9546 Yolo 2 miles west of Winters. Foothills. Comment
  UC764896  Saxifraga californica R. F. Hoover 1938-3-12 2845 Yolo Cache Creek Canyon near Rumsey; Cache Creek Canyon Comment
  UCD50084  Schoenoplectus acutus var. occidentalis S. C. Hanson 1949-5-15 5 Yolo Along irrigation ditch east of Yolo Bypass, 2 miles northwest of Sacramento. Comment
  POM219530  Schoenoplectus maritimus H. F. Copeland 1926-5-4 570 Yolo Near Davis Comment
  CDA39120  Scirpus acutus G. M. Cole 1928-6-19 s.n. Yolo East end of causeway to Davis. 0 Comment
  UCD33865  Scirpus microcarpus Beecher Crampton 1974-6-18 9058 Yolo ca. 6 miles west of Winters, Putah Creek. Comment
  UC972272  Secale G. L. Stebbins Jr. 1952-7-17 Yolo Davis Comment
  UCD92571  Secale cereale Collector unknown 1925-5-9 2108 Yolo Davis. Comment
  RSA0074776  Sedum spathulifolium C. F. Baker 1907-3-6 3236 Yolo Cache Creek Canyon. Comment
  CDA7657  Senecio vulgaris T. C. Fuller 1962-3-27 7890 Yolo Road to Monticello Dam, Putah Creek Canyon, 4 miles west of Winters. 0 Comment
  UCD135826  Senecio vulgaris Ogden C. Riddle 1942-3-1 1 Yolo near greenhouses, Davis campus. Comment
  UCD144436  Senecio vulgaris Carol W. Witham 2003-4-7 907 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD159328  Senecio vulgaris D. S. Park; J. Perez 2010-4-10 18 Yolo Yolo County.: UC Davis campus, lawn. Comment
  CAS-BOT-BC364705  Senecio vulgaris Roxana S. Ferris 1917-4-20 700 Yolo Near Dunnigan Comment
  UCD135832  Senecio vulgaris Walter Russell 1947-3-18 39 Yolo 200 block on D Street, Davis. Comment
  RSA97975  Sequoia sempervirens June McCaskill 1955-4-6 382 Yolo East side of water tower at west end of temporary building 4, University of California, Davis Comment
  UCR179179  Sesbania punicea Barry Rice 2004-6-2 040601 Yolo Sacramento Valley, in the city of Davis 15 Comment
  UC2061695  Sesuvium verrucosum Ellen Dean, C. Robbins 2013-8-28 7990 Yolo Eastern edge of the City of Woodland. Property owned by the City of Woodland. North of Gibson Road extension on E side of Pole Line Rd. (County Rd. 102); north of existing sewer plant in an area that once had evaporation ponds. Area was recently used as borrow pit for the raised soil slab that has been prepared for the Woodland- Davis water treatment plant construction project (for clean drinking water.) Borrow pit is just south of that slab. Comment
  UCD39904  Setaria italica Beecher Crampton 1959-11-2 s.n. Yolo UC Davis campus, Agronomy Experimental Area. Comment
  SBBG26322  Setaria parviflora B. Crampton 1965-7-27 Yolo US Hwy 99, 2.5 mi NNW of Davis Comment
  UCD92584  Setaria parviflora Beecher Crampton 1965-8-2 7475 Yolo just north of city limits of Davis on Pole Line Rd.. Comment
  SBBG115906  Setaria verticillata B. Crampton 1961-7-14 5930 Yolo city of Davis Comment
  SEINET11696151  Setaria verticillata Unknown 1961-7-14 5930 Yolo city of Davis Comment
  UCD15289  Sida hederacea Claire Warshaw 1985-5-31 5 Yolo city of Davis, near intersection of Covell Blvd. and Catalina Ave., on the south side of a drainage ditch; 12 Comment
Read comments
Jan 22 2008
  UC187416  Sidalcea keckii J. W. Blankinship 1893-5-30 Yolo Capay Valley Comment
  UCD147028  Sidalcea keckii Robert E. Preston 2012-5-16 2874 a Yolo 6.6 mi SW of Dunnigan, in Wood Canyon. 175 Comment
  UCD36601  Sidalcea keckii Beecher Crampton 1955-5-12 2771 Yolo Yolo County, 7.5 miles west of city of Davis, Moon Ranch. Comment
  UCD116623  Sidalcea keckii Fleur Ng'weno 1989-5-1 DQ 27 Yolo D-Q University County Road 31, 9 miles west of Davis city center. 30 Comment
  POM151338  Silene californica Edward L. Greene 1903-5-8 2978 Yolo Cache Creek canon [canyon] Comment
  UCD98689  Silene gallica J. D. Skoss 1948-6-6 30 Yolo Putah Canyon, 8 miles below Yolo-Napa county lines. Comment
  CDA30825  Silybum marianum M. Beyers 2010-5-12 455 Yolo Just east of County Road 87, along County Road 19. 54 Comment
  UCD68014  Silybum marianum C. P. Pease 1995-5-20 S.N. Yolo East side of University of California, Davis campus, Experimental College gardens. 16 Comment
  UCD135847  Silybum marianum R. Molholm 1998-6-5 30 Yolo western side of UC Davis campus, across dirt road from the hydrology laborator, along fence just outside of Putah Creek reserve. 21 Comment
  UCD73650  Sinapis Jean Shepard 2006-4-22 791 Yolo City of Davis. 3100 Loyola Ave. Grounds of Korematsu school. Comment
  UCD73810  Sinapis Jean Shepard 2006-4-22 791 Yolo City of Davis. 3100 Loyola Ave. Grounds of Korematsu school. Comment
  UCD115403  Sinapis alba A. S. Crafts 1926-7-8 441 Yolo Davis, University Farm Campus. Comment
  CDA30596  Sinapis arvensis M. Beyers 2010-5-12 453 Yolo Just east of County Road 87, along County Road 19. Sheet 1 of 2. 54 Comment
  SD255683  Sinapis arvensis George K Helmkamp, Mary Alice Barnes 2013-5-8 20523 Yolo Southern Sacramento Valley: Yolo Bypass Wildlife Area, 0.9 mile southeast of the junction of Chiles Road and I-80, between Sacramento and Davis. 13 Comment
  UCD73623  Sinapis arvensis Ellen Dean; Elizabeth Goebel 2008-4-7 4750 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat, west of Dry Creek road crossing. 83 Comment
  UCD115418  Sinapis arvensis P. B. Kennedy 1918-1 14 Yolo University Farm, Davis. Comment
  UCD115430  Sinapis arvensis J. A. Ogle 1924-6-1 s.n. Yolo Davis. Comment
  UCD33153  Sinapis arvensis Beecher Crampton 1967-4-11 7824 Yolo Yolo County, Davis. Comment
  CAS-BOT-BC75046  Sisymbrium altissimum P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Company. Clarksburg. Sacramento River. Comment
  UCD115474  Sisymbrium altissimum P. B. Kennedy 1920-6-23 s.n. Yolo Holland Land Co. Clarksberg, Sacramento River. Comment
  CAS-BOT-BC474704  Sisymbrium irio Jean Shepard 2010-4-24 838 Yolo City of Davis, downtown, between G St. and RR track and beween 3rd and 4th Sts. in an alley Comment
  HSC6921  Sisymbrium officinale M. Dole 1963-4-14 69 Yolo 1 mi. S of Hwy. 40 on Rd. 105 Comment
  UCD115726  Sisymbrium officinale A. S. Gaurrere 1924-6-1 s.n. Yolo near Davis. Comment
  UCD126839  Solanum americanum M. Ensign 1942-9-9 s.n. Yolo University Farm. Comment
  CDA5910  Solanum cardiophyllum T. C. Fuller 1969-8-7 18855 Yolo Veg. Crops Dept., University of California, Davis. 0 Comment
  UC735713  Solanum elaeagnifolium Charles B. Heiser Jr. 1946-5-20 1915 Yolo campus of University of California Davis University of California Davis Comment
  UCD149360  Solanum elaeagnifolium H. Levier 1931-6-24 s.n. Yolo City of Davis. 15 Comment
  NY826942  Solanum elaeagnifolium B. Crampton 1960-10-4 5784 Yolo UC-Davis Campus, northeast of Agronomy Warehouse. Comment
  UCR141665  Solanum nigrum Gene Miyao 1981-11-12 s.n. Yolo Yolo County 70 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
  NY821053  Solanum parishii R. J. Stinchfield 1916-7-1 342 Yolo Mouth of Buckeye Creek Comment
  UCD126975  Solanum parishii Charles B. Heiser Jr. 1947-4-10 1902 Yolo In canyon, northwest of Highway 16, 1 mile north of Rumsey. Comment
  UCD126997  Solanum physalifolium var. nitidibaccatum Ken Kimball 1982-4-26 s.n. Yolo exact location unknown. 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
  CHSC79366  Solanum rostratum Beecher Crampton 1955-7-29 3131 Yolo City of Davis, University of California campus. Comment
  UC1087487  Solanum rostratum June McCaskill and Katherine Onaga 1958-6-25 Yolo South side of Arboretum Drive, 0.2 mile west of Sewage Treatment Plant, University of California, Davis. Comment
  SEINET10780199  Solanum tuberosum Stephanie Frischie 2000-9-27 Frischie 72 Yolo Safeway Store #1205, 1431 West Covell, Davis, CA 95616. Comment
  UC1585972  Solanum umbelliferum Barbara Ertter with Annetta Carter 1989-5-28 8533 Yolo 5 air mi wsw of Rumsey (Rayhouse Road 4.3 mi from Hwy 16, e side of ridge between Blue Ridge and Little Blue Ridge, 0.4 mi below crest at large roadcut, nw cor.Yolo Co) 731 Comment
  UC735730  Solanum umbelliferum Charles B. Heiser Jr. 1947-4-10 1902 Yolo about 1 mi n of Rumsey (nw of Highway 16) Comment
  UCD127086  Solanum xanti Ogden C. Riddle 1942-3-30 54 Yolo Putah Canyon, 4 miles west of Recreation Beach. Comment
  UCD127095  Solanum xanti Kamala Crompton 1996-4-21 6 Yolo along Road 128, near to Cold Canyon Preserve. 100 Comment
  UCR244760  Solanum xanti Alexis Fuller, Ellen Dean, Clare Loughran 2011-5-8 07 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Three fourths of the way up Bray Canyon; east side of Bray Creek. 135 Comment
  UCD15019  Solanum xanti Ricky D. Pearce 1978-5-20 34 Yolo 9.2 miles west on highway 128 from intersection of highway 128 and Railroad Avenue in Winters; Comment
  UCR118879  Solidago occidentalis Beecher Crampton 1961-10-25 6040 Yolo Sacramento Valley, 4 miles northwest of Bryte. Yolo Bypass. 15 Comment
  UCD136180  Sonchus oleraceus L. G. Goar 1930-4-20 s.n. Yolo Putah Canyon. Comment
  UCD80915  Sonchus oleraceus Ellen Dean; F. Singh, L. Raber, C. Kraintz, R. Ghaffarzadeh 2009-4-1 5319 Yolo city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. 9 Comment
  UCD136164  Sonchus oleraceus H. R. Drever 1945-6-1 s.n. Yolo Davis. Comment
  UCD136165  Sonchus oleraceus K. Esau 1937-5-28 s.n. Yolo Davis. Comment
  UCD136190  Sonchus oleraceus P. B. Kennedy 1914-3 s.n. Yolo Berkeley Hills. Comment
  UCD136191  Sonchus oleraceus June McCaskill 1973-4-9 770 Yolo behind Robbins Hall, University of California campus, 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
  SEINET3228402 Image available Sophora japonica M. F. Wojciechowski 1999-10-3 856 Yolo Residential area in Davis, near intersection of 1st St and 3rd St, just north of Amtrak station. Comment
  UCD92877  Sorghum J. H. Edmonds 1932-7-28 s.n. Yolo Near Woodland. Comment
  RSA140806  Sorghum bicolor John H. Thomas 1960-8-30 8868 Yolo 5 miles S of Winters along Hwy to Vacaville. Comment
  UC1476881  Sorghum bicolor T. C. Fuller and G. D. Barbe 1979-9-20 2251 Yolo s.w. Woodland (w. of Co. Rd. 95, between co. rds. 25 & 27) Comment
  HSC102728  Sorghum halepense J. P. Smith 2013-8-23 13777 Yolo Weed in a walnut orchard. 134 Comment
  HSC10982  Sorghum halepense J. V. Lenz 1947-5-8 Yolo Esparto Comment
  UCD36805  Sorghum halepense Beecher Crampton 1955-10-13 3176 Yolo Davis. Comment
  UCD37676  Sorghum halepense Beecher Crampton 1961-6-1 5881 Yolo 1 mile N of Davis. Comment
  UCD92765  Sorghum halepense R. Tofsrud 1947-5-8 s.n. Yolo Near Esparto. Comment
  UCR119177  Sorghum halepense Beecher Crampton 1961-6-1 5881 Yolo Sacramento Valley, 1 mile north of the city of Davis. 15 Comment
  UCD94814  Sparganium eurycarpum Beecher Crampton 1961-10-25 6048 Yolo 4 miles NW of Bryte, Yolo Bypass. Comment
  UCD108494  Spartium junceum Collector unknown 1925-5-14 s.n. Yolo Davis. Comment
  RSA0097073  Spergularia Keith E. Hoffmaster 1946-4-19 1042 Yolo 3-4 miles N of Davis. Comment
  CAS-BOT-BC390127  Spergularia bocconi L. R. Abrams 1928-5-8 12611 Yolo Between Woodland & Davis Comment
  UCD99201  Spergularia bocconi J. M. Tucker 1977-5-2 4392 Yolo Ochard Park greenhouse complex (Range 3), UC 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
  UCD33932  Spergularia macrotheca var. leucantha Beecher Crampton 1975-4-18 9161 Yolo Yolo County, 3 miles S.E. of Woodland. Comment
  RSA261409  Spergularia macrotheca var. leucantha M. N. Artist 1965-5-22 21 Yolo County Road 100, 1 mile N of junction with County Road 31, Davis. Comment
  UCD141582  Spergularia marina Ellen Dean 2013-4-19 7701 Yolo Along C.R. 103 near Conaway Ranch, east side of road. About 1 mile south of C.R. 25. Remnant alkali plain vegetation along ca. 50 ft. of roadside, in a sea of roadside weeds. 10 Comment
  UCD73628  Spergularia rubra Ellen Dean; Elizabeth Goebel 2008-4-7 4755 Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Maxwell Flat, west of Dry Creek road crossing. 83 Comment
  HSC4267  Spergularia salina C. B. Wolf 1928-5-8 2140 Yolo 12 mi. N of Dixon on the Pacific Hwy. Comment
  RSA0004235  Sphaeralcea fremontii var. exfibulosa W. L. Jepson 1934-6-18 16741 Yolo Putah Creek bed, near Winters. [County not specified on label] Comment
  UCD93044  Sporobolus airoides Beecher Crampton 1970-8-28 8648 Yolo 5.5 miles E of Davis. Interstate Hwy 80 westbound. Yolo Causeway Fill. Comment
  UCD93107  Sporobolus cryptandrus Beecher Crampton 1963-6-28 T.O 2777 Yolo UC Davis Campus. Agronomy Experimental Area. Plant Inroduction Nursery. Comment
  UCD93144  Sporobolus indicus Beecher Crampton 1964-8-11 7138 Yolo UC Davis Campus. N of Hunt Hall. Comment
  RSA32908  Stachys A. A. Heller 1929-6-2 s.n. Yolo Woodland. Comment
  UCD73122  Stachys ajugoides Ayzik Solomeshch 2003-6-1 s. n. Yolo Department of Fish and Game Glide Tule Ranch, about 8 mi. southeast of Davis. 6 Comment
  SEINET10935817  Stachys ajugoides H. Lewis 1940-6-12 Lewis s.n. Yolo Edge of slough, 5 mi n of davis. Comment
  UC726310  Stachys ajugoides var. ajugoides A. A. Heller 1929-6-2 14895 Yolo Woodland Comment
  RSA446630  Stachys albens Glenn A. Gorelick 1966-5-15 70097 Yolo 5 miles E of Woodland on Hwy 16. Comment
  JEPS84661  Stachys stricta John W. Willoughby 1979-8-13 4416 Yolo 1.2 mi nw Pleasant Valley Road (County Road 86) (fishing access along State Highway 128); Vaca Mountains, Putah Creek 60 Comment
  CDA3548  Stellaria media T. C. Fuller 1962-3-27 7895 Yolo Road to Davis, 3 miles east of Winters. 0 Comment
  SFV8396  Stellaria media R. Crouse 1960-3-8 18 Yolo Sacramento Valley Along Putah Creek, about 3 miles west of Davis. 15 Comment
  UCD99426  Stellaria media H. B. Nidever 1951-5-19 31 Yolo 2 miles north of Davis. Comment
  UCD99463  Stellaria nitens Rolf Y. Berg 1964-3-14 8014 Yolo Cache Creek Canyon, State Highway 16, 2.5 miles northwest of Rumsey. Comment
  UCD164518  Stephanomeria virgata subsp. pleurocarpa Craig D. Thomsen 2006-8-16 2705 Yolo Camp Haswell County Park. 182 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
  SEINET240470  Stipa lagascae Beecher Crampton 1962-5-7 T.O. 2708 Yolo UC Davis agronomy experimental area, plant introduction nursery row F - 73. Comment
  SEINET242435  Stipa lagascae Beecher Crampton 1962-5-7 T.O. 2708 Yolo UC Davis agronomy experimental area, plant introduction nursery. Comment
  SEINET242441  Stipa lessingiana Beecher Crampton 1968-5-1 T.O. 4079 Yolo UC Davis Campus, Agronomy Experimental Area, Plant Introduction Nursery, row O-79 Comment
  UCR118967  Stipa pulchra Beecher Crampton 1982-3-22 9823 Yolo Sacramento Valley, 5 miles west of Winters on Hwy 128. 61 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
  UCD116006  Streptanthus glandulosus subsp. glandulosus F. W. Hays 1927-4-2 583 Yolo Putah Canyon. Comment
  RSA0121907  Streptanthus glandulosus subsp. glandulosus Keith E. Hoffmaster 1941-3-26 1029 Yolo Putah can. Comment
  UCR118896  Suaeda torreyana Beecher Crampton 1978-6-27 9613 a Yolo Sacramento Valley, 4 miles southeast of Woodland. 15 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
  UCD81536  Symphyotrichum chilense W. W. Robbins; W. D. Norton 1927-10-1 s.n. Yolo West of Davis. Comment
  CAS-BOT-BC98367  Symphyotrichum subulatum var. parviflorum Herbert L. Mason 1955-8-12 14646 Yolo Between Winters and Madison Comment
  UCD18364  Symphytum officinale Hank Segall 1999-5-1 s.n. Yolo city of Davis, UC Davis campus, near student domes, Experimental Farm. Comment
  SEINET10575097  Tamarix parviflora John F. Gaskin 1998-7-3 Gaskin 79 Yolo Overpass, Jct. Interstate 505 and CA Hwy. 16. Comment
  CDA37691  Tamarix ramosissima Robin Breckenridge 2005-5-1 s.n. Yolo Rumsey to Woodland, Cache Creek and surrounding riparian areas. 0 Comment
  UCD136809  Taraxacum officinale Collector Unknown 1925-7-14 1631 Yolo Davis. Comment
  UCD96954  Tetragonia tetragonoides C. F. Ehlig 1951-5-2 43 Yolo Truck Crops Field Plots, 2 miles west of Davis. Comment
  UC596390  Thysanocarpus curvipes R. F. Hoover 1938-2-22 2765 Yolo Putah Creek Canyon Comment
  UC765046  Thysanocarpus curvipes R. F. Hoover 1938-2-22 2765 Yolo Putah Creek Canyon Comment
  UCD115955  Thysanocarpus curvipes R. H. Miller 1949-5-7 44 Yolo Putah Canyon. 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
  UCD82325  Thysanocarpus curvipes Robin McMaster 1973-4-15 313 Yolo 3 miles NW Rumsey on Hwy 16. 152 Comment
  SEINET5738104 Image available Tipuana tipu Shirley C. Tucker 1988-1 28890 Yolo Near unused concrete bridge over Putah Creek, E end of University of California (Davis) Arboretum, Davis.; Univ. of California, Davis Comment
  UCD160030  Torilis arvensis Ellen Dean; Tom Starbuck, Lita Dean 2015-4-20 8626 Yolo City of Davis. Front yard at 817 Linden Lane. 15 Comment
  UCD170672  Torilis arvensis Jean Shepard 2018-3-26 914 Yolo City of Davis. Yard 1800 block Myrtle Place. 15 Comment
  UCD62901  Torilis arvensis Christa Lindsey; 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
  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
  UCD62906  Torilis nodosa Christa Lindsey; Plant Biology 102 students 2008-5-3 5 Yolo Yolo County; Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek downstream of Monticello Dam. Bray Canyon. West side of Bray Creek. 103 Comment
  UCD128182  Torilis nodosa Fleur Ng'weno 1989-5-1 DQ 26 Yolo D-Q University County Road 31, 9 mi. west of Davis city center. 30 Comment
  UCD40911  Torilis nodosa Sutton 1984-5-8 2 Yolo Road 128, along Putah Creek about 3 miles before dam. Comment
  UCD20517  Torreya californica E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1089 Yolo McLaughlin UC Reserve. Along Rayhouse Rd. above Davis Creek drainage. 0.3 road miles from intersection with Soda Springs road. Downslope side of road. 463 Comment
  SEINET11740922  Torreya californica A. T. Leiser, Stebbins, L. 1983-11-5 s.n. Yolo Ray House Rd, Leviathian Mine Comment
  RSA590203  Toxicodendron diversilobum Michael A. Vincent, Robert Rhode 1996-3-30 7252 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16, ca. 2 miles S of Colusa Co. Line. Comment
  UCD116987  Toxicodendron diversilobum Chas. B. Heiser Jr. 1947-6-1 1927 Yolo Along Putah Creek, Davis. 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
  RSA696208  Toxicodendron diversilobum Lois Weston 1942-4-29 s.n. Yolo Putah Canyon Comment
  UCD141700  Triadica sebifera Ellen Dean; M. Taylor 2013-6-21 7812 Yolo North side of Putah Creek east if the City of Winters. South of Russell Blvd. on east side HWY 505. Yolo County Housing Authority area. In or near Plot YHA 2E of Putah Creek vegetation survey. 6 Comment
  UCD142205  Triadica sebifera Barry Meyers-Rice; Elizabeth Salvia 1999-11-27 MR 991102 Yolo North Ponds' in Davis; near the intersections of F Street and Anderson Road. Comment
  UCD84678  Tribulus terrestris J. Shepard 2010-8-15 844 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. East edge of parking lot north of entrance road. 12 Comment
  CDA37734  Tribulus terrestris Robin Breckenridge 2010-7-2 s.n. Yolo Brooks. 0 Comment
  SEINET10407761 Image available Tribulus terrestris J. M. Tucker, C. H. Lamoureux 1958-6-5 3399 Yolo Old Putah Creek channel, university arboretum, east side of the California Avenue bridge, UC Davis campus. Comment
  UCD20010  Tribulus terrestris C. H. Lamoureux; J. M. Tucker 1957-4-29 1229 Yolo 200 yards north of Davis Y on gravel edge of asphalt shoulder on east side of Hwy 99. Comment
  UCD38956  Tribulus terrestris Beecher Crampton 1961-8-1 5960 Yolo Davis, SP R.R. Station. Comment
  JEPS63113  Trichostema lanceolatum W. L. Jepson 1934-7-28 16744 Yolo Rumsey Comment
  RSA699713  Trifolium Keith E. Hoffmaster 1939-4-6 913 Yolo Putah Canyon. Comment
  RSA0054808  Trifolium Keith E. Hoffmaster 1941-3-26 1031 Yolo Putah can. Comment
  UCD39968  Trifolium Beecher Crampton 1966-7-6 s.n. Yolo UC Davis Campus, Agronomy Experimental Area; grown from seed of unknown origin. P.I. 290-017. Comment
  UCD35736  Trifolium albopurpureum Beecher Crampton 1953-4-4 1059 Yolo Rangelands west of Guinda, Capay Valley. Comment
  UCD37592  Trifolium albopurpureum Beecher Crampton 1955-4-14 2492 Yolo 2 miles northwest of Dunnigan. Comment
  HSC15106  Trifolium albopurpureum M. Dole 1963-4-9 16 Yolo 2 mi. W of Zamora on Rd. 15 Comment
  SBBG29019  Trifolium albopurpureum B. Crampton 1966-4-6 7637 Yolo foothills, 2 mi W of Winters Comment
  UCD107580  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
  UCD41003  Trifolium barbigerum Carol W. Witham 2003-4-11 933 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD107873  Trifolium bifidum P. B. Kennedy 1915-4-26 s.n. Yolo Davis. Comment
  UCD84322  Trifolium bifidum Ayzik Solomeshch 2009-4-18 s.n. Yolo Yolo Bypass. Glide Ranch. 4 Comment
  UCR119078  Trifolium bifidum Beecher Crampton 1966-4-6 7636 Yolo Sacramento Valley, 2 miles west of Winters. 30 Comment
  UCD39052  Trifolium bifidum Beecher Crampton 1962-5-1 6354 Yolo Saxon Station, Sacramento Northern R.R., 7 miles SE of Davis (in direct line). Comment
  UCR226143  Trifolium bifidum var. bifidum Elaine Chow, Plant Biology 102 students 2008-4-6 001 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
  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
  UCD58046  Trifolium ciliolatum Ellen Dean; K. Mawdsley 2007-4-6 3586 Yolo Tuleyome Ireland Ranch. In inner coast range, northwest of the City of Winters, between Salt Creek and Enos Creek, just north of Wild Cow Mountain. SE portion of ranch. 476 Comment
  UCD33042  Trifolium ciliolatum Beecher Crampton 1966-4-6 7635 Yolo 2 miles west of Winters. Comment
  UCD39097  Trifolium ciliolatum Beecher Crampton 1964-4-8 6922 Yolo 4 miles west of Winters, State Highway 128. Comment
  UCR219526  Trifolium depauperatum Jean V. Shepard 2004-3-21 636 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, 3.5 mi south on Mace Blvd. (Co. Road 104) from intersection of Hwy I-80 and Mace Blvd., 0.5 mi east on unpaved entrance road, to Dept. of Defence fence, and 30 yards south 12 Comment
  SEINET9302363  Trifolium depauperatum var. stenophyllum Unknown 2012-3-2 7853 Yolo 1 mi W of Winters. Roadside, oak woodland, low foothills. 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
  UCD81019  Trifolium depauperatum var. truncatum Ellen Dean; D. Bales, M. Krug, L. Snyder, D. Dhakal, A. Franco 2009-4-1 5360 Yolo Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland. Western side of property, near Mavis Henson sign. 9 Comment
  UCD35373  Trifolium dichotomum Beecher Crampton 1956-4-9 3243 Yolo 1.5 miles north of Davis. Comment
  UCD81015  Trifolium dubium Jose-Luis Rayas; with PLB 102 students 2009-4-26 7 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. Middle reaches of Bray Canyon. 129 Comment
  UCD41034  Trifolium dubium Carol W. Witham 2003-4-26 966 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD21373  Trifolium fucatum J. Shepard 2001-3-23 413 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 4 mi. south on Mace Blvd. (County Road 104), thence east 0.5 miles along County Road 36. Growing in the southeast corner of park. 12 Comment
  UCR118984  Trifolium fucatum Beecher Crampton 1962-5-1 6364 Yolo Sacramento Valley, 1/2 mile south Saxon Station., jct. county roads 106 and 38 15 Comment
  UCR179185  Trifolium fucatum Carol W. Witham 2003-4-11 931 Yolo Sacramento Valley, DFG Tule Ranch vernal pools, c. 8 miles SE of Davis, SE of junction of county roads 38 & 105 5 Comment
  UCD109036  Trifolium fucatum E. H. Stanford 1940-4-28 s.n. Yolo North of Davis. Comment
  UCD55514  Trifolium gracilentum J. Shepard; E. Dean, B. Rice, P. and R. Unger, B. Salvia 2004-3-28 650 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east on unpaved entrance road about .4 mi., thence south 100 yd. 10 Comment
  UCR119080  Trifolium gracilentum Beecher Crampton 1966-4-11 7639 Yolo Sacramento Valley, Woodland; railroad station. 15 Comment
  SEINET7413844  Trifolium gracilentum B. Crampton 1955-4-14 2484 Yolo 2 miles south of Zamora Comment
  UCD35786  Trifolium gracilentum Beecher Crampton 1962-4-23 6235 Yolo Woodland at S.P. R.R. station. Comment
  UCD73237  Trifolium hirtum Ellen Dean; Susan Xhang, Christa Lindsey, Chris Mosser 2008-5-3 4902 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. On hillside on west side of canyon. 91 Comment
  UCD73267  Trifolium hirtum Ellen Dean; Susan Xhang, Christa Lindsey, Chris Mosser 2008-4-17 4841 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. 77 Comment
  UCD109765  Trifolium hirtum Beecher Crampton 1962-5-31 s.n. Yolo UC Davis. Agronomy Experimental Areas. Plant Introductory Nursery. Comment
  UCD149356  Trifolium incarnatum Collector Unknown 1952-1 s.n. Yolo City of Madison. 44 Comment
  UCD15490  Trifolium incarnatum Ted Graber 1984-4-15 18 Yolo North of Davis suburbs where they are presently building. 12 Comment
  UCD38434  Trifolium microcephalum Beecher Crampton 1955-4-14 2491 Yolo Yolo County; 2 miles northwest of Dunnigan. Comment
  UCD73261  Trifolium microcephalum Ellen Dean; Susan Xhang, Christa Lindsey, Chris Mosser 2008-4-17 4838 Yolo Audubon Bobcat Ranch, lands to the north of Hwy 128 on north side of Putah Creek, downstream of Monticello Dam. 77 Comment
  UCD73666  Trifolium microcephalum Ayzik Solomeshch 2005-4-10 s. n. Yolo Audubon Bobcat Ranch, northwest of the city of Winters. Northeastern part of ranch, Maxwell Flat area, accessed by private road that is at the end of Moody Slough Rd. 71 Comment
  UCD35935  Trifolium microcephalum Beecher Crampton 1953-4-9 1065 Yolo Putah Canyon, 5 miles west of Winters. Comment
  POM127053  Trifolium olivaceum var. olivaceum Francis Ramaley 1917-4-14 11104 Yolo Winters. Comment
  UCD39963  Trifolium radiosum Beecher Crampton 1966-7-6 s.n. Yolo UC Davis Campus, Agronomy Experimental Area; grown from seed of unknown origin. P.I. 201-216. Comment
  CDA28028  Trifolium resupinatum D. G. Kelch 2007-4-4 7 .112 Yolo Davis; Portage Bay East near Russell Blvd. Comment
  UCR152422  Trifolium stenophyllum Beecher Crampton 1967-5-3 7853 Yolo Sacramento Valley, 2 miles west of Winters. 46 Comment
  UCD146739  Trifolium variegatum Carol W. Witham 2003-4-11 938 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UCD41008  Trifolium variegatum Carol W. Witham 2003-4-11 938 Yolo DFG Tule Ranch vernal pools. Approximately 8 miles southeast of Davis. Southeast of the junctions of County Roads 38 and 105. 4 Comment
  UC630790  Trifolium variegatum var. melananthum P. B. Kennedy 1915-4-26 Yolo Davis Comment
  CHSC79318  Trifolium willdenovii Beecher Crampton 1966-4-28 7682 Yolo 1 mile S.W. of Saxon Station. Comment
  UC630874  Trifolium willdenovii A. A. Heller 1920-4-25 13378 Yolo along Yolo Causeway; Sacramento River flood plain 30 Comment
  UC630891  Trifolium willdenovii P. B. Kennedy 1915-4-26 Yolo Davis Comment
  UCD109538  Trifolium willdenovii Beecher Crampton 1960-5-9 5494 Yolo 1.25 miles southwest of Saxon Station. Comment
  UCD21392  Trifolium willdenovii J. Shepard 2001-4-27 436 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 and north of a large vernal pool on the east border of park and Department of Defense land. 12 Comment
  UCD34223  Trifolium willdenovii Beecher Crampton 1978-5-8 9576 Yolo Yolo County, 1/4 mile south of Saxon Station, T7N R3E Sect. 17, N.E. quarter. Comment
  UCD56771  Trifolium willdenovii Ellen Dean; M. Bibbo 2007-3-23 3463 Yolo Tuleyome Ireland Ranch. In inner coast range northwest of the City of Winters between Salt Creek and Enos Creek, just north of Wild Cow Mountain. Western/Central portion of ranch near unimproved access loop road. 619 Comment
  UCR219528  Trifolium willdenovii Jean V. Shepard, Ellen Dean, Barry Rice, P. Unger, R. Unger, B. Salvia 2004-3-28 649 Yolo Sacramento Valley, Yolo County Grasslands Park, east of Davis, 3.5 mi south on Mace Blvd.(Co. Road 104) from intersection of Hwy I-80 and Mace Blvd., 0.4 mi east on unpaved entrance road, and 100 yards south 11 Comment
  SEINET9341395  Trifolium willdenovii Unknown 1966-4-28 7682 Yolo 1 mi SW of Saxon Station. Vernal meadow, adobe soil. Comment
  UCD109844  Trifolium willdenovii Alan P. Godlewski 1974-4-25 s.n. Yolo South of Envir. Hort. On the U.C. Davis campus. Comment
  UCD33071  Trifolium willdenovii Beecher Crampton 1966-4-28 7682 Yolo Yolo County, 1 mile S.W. of Saxon Station. Comment
  UCD33625  Trifolium willdenovii Beecher Crampton 1971-4-21 8676 Yolo Yolo County, 6 miles W.N.W. of Davis, county road 96 between county roads 30 and 31. Comment
  UCD138195  Triglochin scilloides K. Esau; M. Phillips 1929-4-11 1893 Yolo Davis. Comment
  UCD108642  Trigonella foenum-graecum J. M. Tucker 1951-3-27 2058 Yolo West of B Street on north edge of 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
  UCD123394  Triphysaria eriantha J. M. Tucker 1961-3-13 3585 Yolo ca. 1 1/2 miles north of Davis, on east side of railroad track. Comment
  RSA183458  Tristagma uniflorum June McCaskill, W. A. Harvey, Katherine Onaga 1965-3-31 696 Yolo 316 C Street, Davis. Comment
  UCD68023  Triteleia ixioides C. P. Pease 1995-6-2 S.N. Yolo East side of University of California, Davis campus, Experimental College gardens. 16 Comment
  HSC82060  Triteleia laxa Thomas W. Nelson, Jane P. Nelson 1980-4-27 5102 Yolo Along SR 16, 100 m E of bridge over Cache Creek, 4.2 mi. from county line 152 Comment
  UCD139396  Triteleia laxa R. B. Griffith 1949-3-20 7 Yolo Putah Canyon. 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
  UCD93328  Triticum Beecher Crampton 1961-5-17 5870 Yolo 3 miles S of Woodland. Comment
  UCD93329  Triticum Beecher Crampton 1961-5-17 5871 Yolo 3 miles S of Woodland. Comment
  CDA30911  Triticum aestivum M. Beyers 2010-5-12 450 Yolo Just east of County Road 87, along County Road 19 and an orchard drainage ditch here. 54 Comment
  UCD81051  Triticum aestivum Ellen Dean; G. Harrington, T. Starbuck 2009-5-13 5587 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
  UCD93323  Triticum aestivum Beecher Crampton 1961-6-1 5891 Yolo 3 miles S of Woodland. Comment
  UCD93325  Triticum durum Beecher Crampton 1961-6-1 5888 Yolo 3 miles S of Woodland. Comment
  UCR178431  Tropidocarpum gracile Jean V. Shepard 2001-3-23 415 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), thence east along unpaved entrance road past Sacramento Valley Soaring Society field on south side of road 12 Comment
  CAS-BOT-BC67391  Tropidocarpum gracile P. B. Kennedy 1915-4-26 s.n. Yolo Railroad track-Weed. Comment
  UCD72436  Typha domingensis Ellen Dean 2008-4-25 4862 Yolo Tuleyome Ireland Ranch, central part of ranch, below area of loop road where vehicles are normally parked. 615 Comment
  UCD13334  Typha domingensis M. Winthrop 1989-6-6 14 Yolo Yolo CO. T9N, R2E,Sect. 4, NE1/4. Three miles S of Woodland. Elev. 60 ft. 18 Comment
  UCD94848  Typha domingensis G. H. Vansell 1954-6-30 s.n. Yolo Conway Ranch, ca. 7 miles northeast of Davis. Comment
  UCD94976  Typha latifolia G. H. Vansell 1954-6-30 s.n. Yolo Conway Ranch, ca. 7 miles northeast of Davis. Comment
  UC917197  Ulmus minor J. M. Tucker 1950-6-28 1932 Yolo University of California Campus, Davis Davis, University of California Campus (w side of old Viticulture (formerly Irrigation) Building) Comment
  UCD137918  Umbellularia californica Ogden C. Riddle 1942-3-16 13 Yolo Davis campus, near Plant Pathology building. Comment
  UCD15647  Umbellularia californica Rachelle Raymond 1989-6-2 705 Yolo Outside Stebbins Reserve. 121 Comment
  UC92114  Uropappus lindleyi C. F. Baker 1903-5-8 2887 Yolo Cache Creek canyon Cache Creek Comment
  UCD125979  Verbena lasiostachys A. S. Crafts 1926-7-8 470 Yolo University Farm Campus, Davis. Comment
  UCR118969  Verbena litoralis Beecher Crampton 1961-10-25 6047 Yolo Sacramento Valley, 4 miles northwest of Bryte. Yolo Bypass. 15 Comment