Search Results — 2000 specimen records retrieved (1448 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 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
  JEPS77944  Acer macrophyllum Edward Lee 1936-3-15 1806 Napa Rutherford - Pope Valley road 8 mi out Rutherford; Rutherford - Pope Valley road Comment
  POM118512  Acer macrophyllum Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  SEINET3195253 Image available Acer macrophyllum Lynn Gould 1962-4-7 31 Napa State Highway 37, 6 miles north of Napa Comment
  UCD148566  Acer macrophyllum Jake Ruygt 1976-4-15 9 Napa Napa County; 0.5 miles north of Angwin on Howell Mt. Road. 512 Comment
  SEINET12766395  Acer macrophyllum Beecher Crampton 1965-8-23 7492 Napa 2.5 miles east of Moskowite Corners, State Hwy 128.; 0 Comment
  CAS-BOT-BC28693  Achillea millefolium P. H. Raven 1955-8-27 8761 Napa Cuttings Wharf 3 Comment
  UCD128301  Achillea millefolium Alan P. Godlewski 1974-5-3 26 Napa Lake Berryessa. Comment
  RSA786931  Achillea millefolium var. borealis Carrie A. Herd 1982-5-9 98 Napa Sage Canyon Road, Con Dam area Comment
  UCD50273  Achnatherum coronatum Beecher Crampton 1960-5-2 s.n. Napa Markley Canyon, Vaca Mtns., 2.7 miles southwest of Monticello Dam along State Highway 128. Comment
  UCD103790  Acmispon americanus var. americanus Edward Lee Greene 1979-6-1 s.n. Napa location unknown. Comment
  UCD160738  Acmispon brachycarpus Ellen Dean 2015-5-23 8790 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 240 Comment
  UCD16011  Acmispon brachycarpus L. A. Condon; R. Flannery, C. Hallock, C. Kennedy, N. Strahan 2000-4-22 8 Napa McLaughlin Reserve, McLaughlin Reserve, east side of Devilhead Road 38 deg. 49' 14'' N, 122 deg. 21 12'' W; 540 m. Comment
  JEPS129042  Acmispon glaber Jake Ruygt 2016-6-5 6273 Napa Amy's Grove, near 5700 Dry Creek Road. Rutherford 7.5' Quad. Comment
  UCD104117  Acmispon glaber H. T. Hartmann 1941-8-14 s.n. Napa Between Napa and Monticello. Comment
  UCD75714  Acmispon grandiflorus var. grandiflorus Jake Ruygt 2005-6-1 4886 Napa Blue Ridge, about 1 mile north of Mays Flat. 716 Comment
  CDA6754  Acroptilon repens B. E. Eaton 1971-7-7 Napa Dealy Lane, Napa. 0 Comment
  JEPS110561  Adenostoma fasciculatum Jake Ruygt 1976-5-6 54 Napa 2.4 miles NE of Westgate Dr. on Atlas Peak Road 338 Comment
  UC12016  Adenostoma fasciculatum Edw. L. Greene 1891-7-10 Napa St. Helena Comment
  UC555288  Adenostoma fasciculatum H. L. Mason 1925-1-22 1203 Napa Wooden Valley Grade Comment
  UCD160800  Adenostoma fasciculatum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8680 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  RSA126038  Adenostoma fasciculatum var. fasciculatum John H. Thomas 1955-5-21 5108 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa. 244 Comment
  SEINET3124749 Image available Adiantum jordanii Royal D. Suttkus 1967-6-26 67- 30 -33 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UCD14797  Adiantum jordanii Matt Gause 1991-6-2 23 Napa 6.8 miles out of the city of Napa along Highway 121. 231 Comment
  CDA7730  Aegilops triuncialis Robin Breckenridge 2008-5-5 PDR# 1313556 Napa Napa, Hwy 128, west of Monticello Dam, X Wraggs Canyon. 0 Comment
  UC521688  Aesculus californica Joseph Andorfer Ewan 1933-9-17 8016 Napa 2.5 mi out Calistoga (Mt St Helena road) Comment
  UCD136632  Aesculus californica M. R. Wanzer 1948-5-22 24 Napa Putah Creek Canyon, 12 miles west of winters. Comment
  RSA0009530  Agoseris grandiflora Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UC127180  Agoseris grandiflora var. grandiflora Harley P. Chandler Sep 7 1906-Sep 14 1906 7153 Napa Alta Loma Ranch Alta Loma Ranch 487 Comment
  CAS-BOT-BC29638  Agoseris grandiflora var. grandiflora Will Fottrell 1906-7-1 s.n. Napa Napa Comment
  UC29369  Agoseris grandiflora var. grandiflora Willis L. Jepson 1893-6-1 Napa road to Napa Soda Springs (?); Napa River Basin Comment
  JEPS104519  Agoseris heterophylla Jake Ruygt 1978-5-21 330 Napa 4.5 NE of Sage Canyon Rd. on Chiles-Pope Valley Rd. 259 Comment
  POM182727  Agoseris heterophylla D. D. Keck 1931-4-3 1060 Napa Pope Creek canyon, 7 miles NW of Monticello Comment
  CAS-BOT-BC46060  Agoseris heterophylla var. cryptopleura David D. Keck 1933-5-29 2347 Napa Pope Creek bridge south of Walters Springs Comment
  JEPS18236  Agoseris heterophylla var. cryptopleura Peter H. Raven 1957-5-5 10744 Napa near the hot springs at the airport Calistoga 91 Comment
  UC635556  Agoseris hirsuta Herbert L. Mason 1926-3-20 2748 Napa marshes s of, along railroad right of way Calistoga Comment
  SEINET3916090  Agrostis diegoensis Fred W. Hoffman 1944-7-7 1972 Napa Chaparral, east slope Trinity Road.; 0 Comment
  CAS-BOT-BC127142  Agrostis exarata Peter H. Raven 1951-6-24 3020 Napa Brown's Valley - Sonoma Napa Road. 121 Comment
  JEPS123024  Agrostis exarata Jake Ruygt 1992-5-20 2988 Napa West of Leoma Lakes, Wild Horse Valley Ranch. Quad: Mount George. Comment
  UC1145057  Agrostis exarata Joseph P. Tracy 1938-6-6 15846 Napa between Napa City and Yountville; Napa Valley 30 Comment
  UCD164740  Agrostis gigantea Jake Ruygt 2014-7-7 6021 Napa Pope Creek. Pope Canyon. 188 Comment
  POM126099  Agrostis microphylla Joseph P. Tracy 1903-5-15 1856 Napa Calistoga Hot Springs 91 Comment
  CAS-BOT-BC138820  Agrostis microphylla Beecher Crampton 1956-5-21 3443 Napa Meadow, Mrytledale Hot Springs, 2 miles north of Calistoga. Comment
  POM126110  Agrostis pallens Joseph P. Tracy 1904-5-23 2093 Napa Hills east of Calistoga 244 Comment
  UC187293  Agrostis pallens Joseph P. Tracy 1905-7-5 2210 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 365 Comment
  RSA92951  Allium amplectens Peter H. Raven 1951-6-10 2917 Napa Crater region E of Palisades. 762 Comment
  RSA95482  Allium amplectens L. S. Rose 1954-5-24 54048 Napa Summit, Wooden Valley grade, 6 miles NE of Napa. Comment
  CAS-BOT-BC466762  Allium cratericola David D. Keck 1931-4-4 1090 Napa The Crater Country, 3.5 miles SE. from summit of Mt. St. Helena, northern Napa County Comment
  JEPS47592  Allium falcifolium W. L. Jepson 1915-4-23 6250 Napa Conn Valley Comment
  JEPS47616  Allium falcifolium Miss Saidee Wallace 1909-4-23 Napa Pope Valley Comment
  RSA3283  Allium falcifolium David D. Keck 1931-4-3 1071 Napa Near Walter Springs, Pope Creek Canyon, 5 1/2 miles east of Pope Valley. Comment
  SJSU1352  Allium falcifolium J. W. Tilden 1953-5-24 1041 Napa NE slope Mt St Helena 457 Comment
  UC3081  Allium falcifolium Willis L. Jepson 1894-5-1 Napa Upper Conn Valley Comment
  UCD48252  Allium falcifolium R. Wenk; E. Anderson, L. Lina, A. Miles, and J. Waggoner 2000-4-22 15 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devilhead Road. 515 Comment
  UCR43119  Allium falcifolium L. F. LaPre 1985-4-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon,' 2 mi SW of Knoxville, just east of Lake Co. Line 367 Comment
  UC608386  Allium fimbriatum var. fimbriatum B. O. Schreiber 1938-4-24 2507 Napa 1/2 mi nw Knoxville; Reiff Quadrangle 609 Comment
  UC727025  Allium fimbriatum var. fimbriatum A. A. Heller 1941-5-3 16127 Napa near the summit of the first ridge w Knoxville Comment
  CAS-BOT-BC472796  Allium neapolitanum Merrel Ackley 1956-4-1 s.n. Napa 2 miles east of Napa Comment
  JEPS122682  Allium peninsulare var. franciscanum Jake Ruygt 2000-5-17 4254 Napa Highway 12 NW of Duhig Road on di Rosa Preserve. Quad: Napa. Comment
  UCD148577  Allium serra Jake Ruygt 2005-5-9 4821 Napa Napa County; Knoxville Wildlife Area, west side of Berryessa Knoxville Rd. 420 Comment
  UCD48746  Allium serra Lynn Wheeler; Mark Bibbo, Ann Koehmstedt, and Tom Liebmann 2001-4-28 14 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found along Decker Ridge Rd. just S of jct with S. Decker Canyon Rd. 365 Comment
  CAS-BOT-BC475559  Allium serra Alice Eastwood 1930-4-13 17927 Napa Canon between Monticello and Pope Valley Comment
  CAS-BOT-BC475561  Allium serra David D. Keck 1933-5-29 2374 Napa 1.3 miles south of Knoxville Comment
  CHSC59622  Allium serratum J. M. Tucker 1997-4-24 4391 Napa Ca. 1/3 mile west of road, Berryessa-Knoxville Road, 15.9 miles (by road) north of junction with Pope Canyon Road (2 miles southeast of Knoxville Mine). 365 Comment
  CAS-BOT-BC476618  Allium unifolium John Thomas Howell 1931-4-19 6462 Napa Conn Valley Comment
  SEINET1782449  Allocarya stricta Edward L. Greene 1892-4-20 s.n. Napa Calistoga. [County not given on label.] Comment
  JEPS110942  Allophyllum divaricatum Jake Ruygt 1989-4-8 2256 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  JEPS120324  Allophyllum divaricatum Jake Ruygt 1989-4-22 2271 a Napa East of Highway 121 on Highway 128. Capell Valley 7.5' Quad. Comment
  JEPS84573  Allophyllum divaricatum John W. Willoughby 1977-4-20 2127 Napa below and just to s. Mt. Vaca (w. side of Blue Ridge); Vaca Mts. 609 Comment
  UCD167205  Allophyllum divaricatum Jake Ruygt 2005-6-1 4883 Napa Knoxville Wildlife Area; spur ridge of Blue Ridge, 1 mile N of Mays Flat. 420 Comment
  RSA262367  Allotropa virgata Gilbert Muth 1971-5-20 1413 Napa 0.5 mile north on Ink Grade Road from Howell Mountain Road, Angwin. 518 Comment
  JEPS126112  Alnus rhombifolia Jake Ruygt 1978-4-6 266 Napa 2.9 miles east of Dry Creek Road on Redwood Road. Napa 7.5' Qua. Comment
  UC912663  Alopecurus saccatus Herbert L. Mason 1931-4-12 5838 Napa ground s. of Napa State Hospital Napa State Hospital Comment
  CHSC102274  Amaranthus californicus Lowell Ahart 2009-10-12 16470 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  CAS-BOT-BC45030  Ambrosia psilostachya David D. Keck 1933-11-10 2723 Napa 5 mi S of Napa, along highway to Vallejo Comment
  CAS-BOT-BC136745  Amelanchier utahensis John Thomas Howell 1940-5-19 15446 Napa Upper St. Helena Creek Comment
  CAS-BOT-BC136746  Amelanchier utahensis John Thomas Howell 1940-5-19 15447 Napa Upper St. Helena Creek Comment
  UCD95904  Amelanchier utahensis Ellen Dean; with Clare Loughran 2011-5-20 7046 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  JEPS8339  Ammi majus Rimo Bacigalupi with G. T. Robbins and C. L. Custer 1954-8-9 4752 Napa just n. of city limits Napa (ca. 1/4 mi. w. of northern end of Jefferson St.) 18 Comment
  CAS-BOT-BC177207  Amorpha californica var. napensis Alice Eastwood 1923-5-9 11743 Napa Calistoga Comment
  RSA92931  Amorpha californica var. napensis P. H. Raven 1951-8-19 s.n. Napa Near Lokoya. 488 Comment
  JEPS126073  Amsinckia eastwoodiae Jake Ruygt 1982-3-26 1146 Napa East of Rocktram, west of Highway 221. Napa 7.5' Quad. Comment
  UC1084556  Amsinckia intermedia Peter M. Ray 1952-5-25 2292 Napa 3 mi s Pope Valley (bridge over Sage Creek, e of junction with Pope Valley-Rutherford (via Conn Dam) road on road to Monticello) Comment
  UCD170819  Amsinckia intermedia 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  JEPS61121  Amsinckia intermedia Willis L. Jepson 1893-4-28 21080 Napa gorge n of Wooden Valley grade (w slope Napa Range, n of Mt. George); Napa River Basin, Napa Range, Mt. George Comment
  UC1178197  Amsinckia intermedia Francia Chisaki 1954-4-15 595 Napa about 2 mi s Calistoga (on Silverado Trail); Silverado Trail Comment
  UCD147532  Anagallis arvensis Ellen Dean; Diana Hickson 2014-4-29 8086 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD170834  Anagallis arvensis 2018-4-28 4 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  UCD170378  Anaphalis margaritacea Daniel Potter; N Khuu 2016-5-8 875 Napa Knoxville Wildlife Area, west of Berryessa-Knoxville Road along trail from Zim Zim Falls trailhead to lower Nevada Creek, west of tributary to Nevada Creek. 277 Comment
  JEPS104503  Ancistrocarphus filagineus Jake Ruygt 1993-4-12 3198 Napa south of James Creek Road and Butts Cany on Road. 213 Comment
  UCD170806  Ancistrocarphus filagineus 2018-4-28 2 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  UCD47899  Ancistrocarphus filagineus R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 13 Napa Northern Napa County, McLaughlin Reserve, on east facing slope of first hill northwest of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 426 Comment
  CAS-BOT-BC64140  Ancistrocarphus filagineus Peter H. Raven 1951-5-6 2822 Napa Silverado Trail 3/4 mile Conn Dam 182 Comment
  UCD143049  Angelica californica V. (Shorty) Boucher 2002-4-11 10 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West Ashley Easement Rd. (West Rd), at base of road closed with brush pile. About 700 ft NW of locality of Dean 730 (Nasella pulchra), which is ca. 2400 airline feet NW of the junction of West Rd and South Decker Canyon Rd. Coordinates are for the Dean 730 locality. 274 Comment
  CDA40903  Angelica tomentosa G. F. Hrusa, Dmitri Geltman (LE) 1996-6-3 15246 Napa North Coast Biodiversity Arena; Little Stony Creek, approx. 1.5 mi. NE of Stonyford-Lodoga Rd. intersection. Sheet 2 of 2 Comment
  JEPS16006  Angelica tomentosa W. L. Jepson Dec. 1897 13483 Napa St. Helena Comment
  JEPS15908 Image available Angelica tomentosa W. L. Jepson 1895-8-30 13484 Napa near Calistoga; ; Near Calistoga, upper Napa Valley Comment
  UC765494  Angelica tomentosa R. F. Hoover 1938-9-23 3861 Napa south fork of Butts Creek Butts Creek Comment
  UCD127187  Angelica tomentosa Joseph M. DiTomaso 1980-9-9 1981 Napa north side of Mt. St. Helena at 48.45 mile mark on Highway 29, 10.6 miles north of Calistoga.. 609 Comment
  RSA0000647  Angelica tomentosa var. elata W. L. Jepson 1895-8-30 13484 Napa Upper Napa Valley. Napa River Basin. Near Calistoga. Comment
  CAS-BOT-BC273163  Anisocarpus madioides Peter H. Raven 1964-5-9 19048 Napa 2 miles west of Aetna Springs Comment
  UCD36376  Anthoxanthum odoratum Beecher Crampton 1953-6-2 1434 Napa Napa County, 8 miles south of Middletown, small meadow along Highway 53. Comment
  JEPS110619  Antirrhinum cornutum Jake Ruygt 1986-6-28 1849 Napa 1.0 mile north of Snell Valley Rd. on Butts Canyon Rd. 208 Comment
  HSC83249  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum D. M. Thompson 1983-6-16 335 Napa Steep banks along valley of Pope Creek at an area reached by traveling private vineyard roads at end of Barnett Rd., 1.9 mi. from start 195 Comment
  UC178334  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Katharine Brandegee 1910-7-26 Napa Aetna Springs Comment
  UCD160733  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Ellen Dean 2015-5-23 8785 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  JEPS5341  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum W. L. Jepson Jul 1892 21312 Napa Napa Valley Comment
  CAS-BOT-BC237921  Antirrhinum virga John Thomas Howell 1926-10-3 2197 Napa Summit of Mt. St. Helena Comment
  UC521687  Antirrhinum virga Joseph Andorfer Ewan 1933-9-17 8017 Napa near Stevenson Memorial (Mt. St. Helena); Mt. St. Helena Comment
  HSC24622  Aphanes occidentalis I. L. Wiggins 1932-3-12 5763 Napa Hillside between Franz Valley and Calistoga Comment
  RSA470387  Apiastrum angustifolium J. T. Howell 1931-4-19 6457 Napa Conn Valley. Comment
  UCD47828  Apiastrum angustifolium M. Carson; A. Haselby, S. Howard, P. Mayers 2000-4-29 3 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  JEPS16056  Apiastrum angustifolium W. L. Jepson 1896-6-2 14208 Napa Napa Range, Conn Valley Conn Valley; Napa Range, Conn Valley Comment
  POM256859  Apocynum X floribundum H. L. Mason 1939-5-18 12104 Napa Wooden Valley Comment
  UCD164772  Apocynum androsaemifolium Jake Ruygt 2014-5-19 5946 Napa Sutro Ranch, Atlas Peak. 740 Comment
  JEPS110885  Aquilegia formosa Jake Ruygt 1976-5-14 80 Napa 2.5 miles west of Mt. Veeder Rd. on Redwood Rd. 237 Comment
  UCSB1937  Aquilegia formosa Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Wooden Valley on California Highway #37 Comment
  CAS-BOT-BC397792  Aquilegia formosa Betty Johnston 1958-6-15 639 Napa 1/4 the mi. above Mt. Mill House, 6.4 mil SW of Middleton Comment
  JEPS53025  Arabis glabra Willis L. Jepson 1893-4-25 13387 Napa near St. Helena (Bed of Sulphur Springs Creek); Sulphur Springs Creek Comment
  CDA24648  Arabis glabra var. glabra R. Lawley 1967-7-1 Napa 1806 Jefferson, Napa. 0 Comment
  RSA470442  Aralia californica B. C. Templeton 1957-6-26 s.n. Napa Near Hill and Connors anches, Calistoga Comment
  JEPS66570  Arbutus menziesii Willis L. Jepson 1893-4-25 14653 Napa w of St. Helena (Trail to Caux's Cabin); Napa River Basin Comment
  SEINET3094065 Image available Arbutus menziesii V. R. Wandres 1967-6-26 67- 30 -1 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  UCD34066  Arbutus menziesii Beecher Crampton 1975-11-18 9340 Napa South of Wooden Valley along Suisun Creek. Comment
  UCSB11771  Arbutus menziesii Haller, John 1961-6-18 Napa Las Posadas State Forest, 1.5 mi. S of Angwin on Howell Mountain Plateau 518 Comment
  RSA10639  Arceuthobium campylopodum Carl B. Wolf 1928-5-4 1851 Napa Upper slopes of Mount St. Helena. Comment
  CAS-BOT-BC410144  Arceuthobium occidentale Peter H. Raven 1951-10-28 3928 Napa Corn Valley 152 Comment
  CDA37815  Arctium lappa S. Longo/J. Chang 2012-6-26 PDR# 280 P06089864 Napa Napa; 3200 Soda Canyon Road, near Loma Vista Dr. 0 Comment
  JEPS38632  Arctostaphylos canescens Willis L. Jepson 1893-4-25 14698 Napa highest ridges near Caux's Knob; Napa River Basin Comment
  CAS-BOT-BC23952  Arctostaphylos canescens subsp. canescens L. R. Abrams 1928-5-4 12266 Napa Mt. St. Helena trail Comment
  CAS-BOT-BC23963  Arctostaphylos canescens subsp. canescens C. Hart Merriam 1907-7-27 s.n. Napa Mt. St. Helana Comment
  CAS-BOT-BC23985  Arctostaphylos canescens subsp. canescens Mrs. S. Earle Kelley 1918-8-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC23986  Arctostaphylos canescens subsp. canescens C. B. Wolf 1928-2-25 1502 Napa 1 mi. north of summit of Mt. St. Helena Comment
  CAS-BOT-BC23995  Arctostaphylos canescens subsp. canescens Katharine Brandegee May 18. s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC23996  Arctostaphylos canescens subsp. canescens H. E. McMinn s.n. H 59 Napa Mt. St. Helena, Pathological Comment
  CAS-BOT-BC24023  Arctostaphylos canescens subsp. canescens C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  POM125416  Arctostaphylos canescens subsp. canescens Alice Eastwood 1923-5-9 11763 Napa Mount St. Helena Comment
  RSA193978  Arctostaphylos canescens subsp. canescens J. T. Howell 1930-3-23 4563 Napa Crater Country' near Mt. St. Helena. Comment
  UCD51055  Arctostaphylos glandulosa Heidi E. M. Dobson 1978-4-8 317 Napa East slope of Mt. Veeder. Comment
  CAS-BOT-BC24865  Arctostaphylos glandulosa subsp. cushingiana Lewis S. Rose 1964-4-2 64016 Napa 2 mi. sw. of Angwin. 243 Comment
  CAS-BOT-BC24866  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1930-3-23 4562 Napa About 1 mi. se. of Mt. St. Helena Inn, near Mt. St. Helena. Comment
  JEPS129164  Arctostaphylos glandulosa subsp. cushingiana Jake Ruygt 2015-3-10 6038 Napa Sutro Ranch, Atlas Peak. Yountville 7.5' Quad. Comment
  CAS-BOT-BC23150  Arctostaphylos glandulosa subsp. glandulosa Alice Eastwood 1915-6-7 4703 Napa Mt. St. Helena Comment
  SBBG5421  Arctostaphylos glandulosa subsp. glandulosa Milton Workman 1953-3-23 26 Napa Mix Cyn Comment
  UC571225  Arctostaphylos glandulosa subsp. glandulosa H. L. Mason 1925-1-23 1205 a Napa Wooden Valley Grade Comment
  RSA31062  Arctostaphylos manzanita E. K. Balls, Percy C. Everett 1953-10-15 18676 Napa 3.4 mi S of Lake-Napa Co. line, Hwy 29, between Middletown and Calistoga. 640 Comment
  UC549544  Arctostaphylos manzanita J. E. Adams 1934-4-10 647 Napa Mt. St. Helena Comment
  UCD118157  Arctostaphylos manzanita Linnea Neuhaus; Plant Biology 102 Collectors 2012-4-29 7 Napa Las Posadas State Experimental Forest. 0.1 mile northeast of fire station, along undeveloped road, north side of road. 519 Comment
  UCD162097  Arctostaphylos manzanita Dylan O. Burge 2014-3-15 1495 Napa Mount Saint Helena. 760 Comment
  UCR43195  Arctostaphylos manzanita L. F. LaPre 1985-4-24 s.n. Napa Inner North Coast Ranges, Along Livermore Road between Hwy 29 (at Mountain Mill House Girl Scout Camp) and White Point, near the Lake Co. line and south of Three Peaks 671 Comment
  SEINET11987318  Arctostaphylos manzanita J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4179 Napa Strybing Arboretum, Golden Gate Park, San Francisco, orig. from NE of Napa Comment
  JEPS106415  Arctostaphylos manzanita subsp. elegans Jake Ruygt 1978-3-19 243 Napa Mt. St. Helena 1097 Comment
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Jan 14 2009
  CAS-BOT-BC38759  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1923-5-25 955 Napa Suisun Creek between Rockville and Wooden Valley Comment
  CAS-BOT-BC38763  Arctostaphylos manzanita subsp. manzanita Peter H. Raven 1954-1-22 6385 Napa Sulphur Springs Canyon just N. of the resort 213 Comment
  CAS-BOT-BC38774  Arctostaphylos manzanita subsp. manzanita C. B. Wolf 1928-2-25 1493 Napa Mt. St. Helena Grade 2 miles below hawkins Mountain Camp. Comment
  JEPS120406  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-23 5113 Napa Mt. Veeder Road, 0.2 mi. south of Lokoya Road. Comment
  JEPS38705  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1918-6-24 7669 Napa halfway down valley floor to Toll House; Mt. St. Helena Comment
  POM131775  Arctostaphylos manzanita subsp. manzanita D. O. Hunt 1899-2-11 10640 Napa St. Helena. Comment
  RSA15675  Arctostaphylos manzanita subsp. manzanita C. B. Wolf 1928-2-25 1493 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  RSA602257  Arctostaphylos manzanita subsp. manzanita L. C. Wheeler 1952-8-30 6877 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  RSA70407  Arctostaphylos manzanita subsp. manzanita J. T. Howell 1930-3-23 4561 Napa Near Mt. St. Helena. Comment
  CAS-BOT-BC43831  Arctostaphylos stanfordiana C. B. Wolf 1928-5-4 1860 Napa Mt. St. Helena Comment
  CAS-BOT-BC43839  Arctostaphylos stanfordiana Alice Eastwood 1922-3-25 11088 Napa Calistoga Comment
  CAS-BOT-BC43843  Arctostaphylos stanfordiana John Thomas Howell 1926-3-21 1704 Napa Mt. St. Helena Comment
  JEPS49566  Arctostaphylos stanfordiana W. L. Jepson 1937-4-9 17997 Napa at cross-rift or rock traverse 1/4 mi below summit; Howell Mt., Adam-and-Eve Ridge Comment
  SJSU5727  Arctostaphylos stanfordiana Lewis S. Rose 1964-4-2 64015 Napa 2 mi SW of Angwin 243 Comment
  UC127170  Arctostaphylos stanfordiana Harley P. Chandler Sep 7 1906-Sep 14 1906 7118 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UC876543  Arctostaphylos stanfordiana Lewis S. Rose 1937-4-4 37019 Napa 8 mi ne Napa; Wooden Valley Grade 274 Comment
  UCR23649  Arctostaphylos stanfordiana John C. Roos 1939-1-21 300 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  UCD73433  Arctostaphylos stanfordiana subsp. decumbens Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  JEPS106413  Arctostaphylos stanfordiana subsp. stanfordiana Jake Ruygt 1990-3-3 2440 Napa Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  RSA169361  Arctostaphylos stanfordiana subsp. stanfordiana L. S. Rose 1964-4-2 64015 Napa 2 miles SW of Angwin. 244 Comment
  RSA252160  Arctostaphylos stanfordiana subsp. stanfordiana Gary D. Wallace 1974-12-23 1347 Napa SE of Mt. St. Helena; just N of Robert Louis Stevenson St. Pk, along Hwy 29. 610 Comment
  UCD160794  Arctostaphylos viscida Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8674 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  UCD47967  Arctostaphylos viscida Ari Houser; J. Westbrook, S. Ratay, M. Disney,R. Wolfson,S. Wathen 2000-4-22 32 Napa Napa Co, McLaughlin Reserve, approx. 0.5 miles south of Berryessa-Knoxville Rd along east side of Devilhead Rd. 1st ridge south of Devilhead Rd. 518 Comment
  UCD52450  Arctostaphylos viscida Beecher Crampton 1970-4-15 8560 Napa north end of Capell Valley, State Hwy.128. Comment
  UCSB30734  Arctostaphylos viscida Kelly, Michael 1975-3-24 Napa Left side of road 15 mi. east of intersections of Highway 128 and 29 853 Comment
  CAS-BOT-BC47450  Arctostaphylos viscida subsp. viscida Alice Eastwood 1922-5-5 11296 Napa Mt. St. Helena Comment
  CAS-BOT-BC400454  Aristolochia californica Annetta M. Carter 1936-3-15 1040 Napa Conn Creek Canyon, 3.4 miles out of Rutherford on road to Pope Valley Comment
  UC6152  Aristolochia californica Mrs. D. O. Hunt 1899-2-27 Napa roadside near Lyman's Meadow, St. Helena St. Helena, Lyman's Meadow Comment
  UCD137821  Aristolochia californica Dean W. Taylor 1972-2-25 1334 Napa at the dam on Putah Creek, Lake Berryessa. 167 Comment
  UCD48562  Aristolochia californica Kook-Hyun Chung; C. Ineich, J. Deusterman, M. Hauselt 2001-4-28 22 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, beside Decker Bay Trail. 152 Comment
  JEPS104505  Arnica discoidea Jake Ruygt 1979-6-3 669 Napa Aetna Springs Rd. 670 Comment
  JEPS123018  Arrhenatherum elatius Jake Ruygt 1989-6-17 2382 Napa Van Ness Canyon. Quad: Detert Reservoir. Comment
  CDA11261  Artemisia californica G. F. Hrusa, G. L. Webster, J. M. Tucker 1994-10-29 11916 Napa North Coast Biodiversity Arena; Mt. George Napa Land Trust Reserve. Below old homestead. Comment
  UCD161686  Artemisia douglasiana Jake Ruygt 2008-8-16 5365 Napa Big Ranch Road, south of El Centro Avenue, Van Winden property, north fenceline. 17 Comment
  CAS-BOT-BC90780  Artemisia ludoviciana subsp. ludoviciana Dennis W. Woodland 1970-8-13 1618 Napa 100 yd. east of bridge at junction of Petrified Forest Road and highway 128; 1 mile north of Calistoga Comment
  JEPS104556  Asclepias eriocarpa Jake Ruygt 1979-6-18 707 Napa .3 miles east of Butts Canyon Rd. on Aetna Springs Rd. 216 Comment
  UCD148097  Asclepias eriocarpa Jake Ruygt 2002-8-24 4451 Napa Calistoga; northwest corner of Mora Lane and Silverado Trail. 124 Comment
  UCD121348  Asclepias fascicularis D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-25 s.n. Napa Berryessa-Knoxville Road. UC MacLaughlin Nature Reserve. 650 Comment
  CAS-BOT-BC69618  Aspidotis densa R. F. Hoover 1966-8-23 9921 Napa E. side of Mt. St. Helena. Comment
  RSA52712  Aspidotis densa I. L. Wiggins 1949-4-30 12094 Napa Northeastern slopes of Mount St. Helena near highway between Calistoga and Middletown, near Lake county border 854 Comment
  CAS-BOT-BC478055  Asteraceae Paul F. Covel 1940-4-28 1709 Napa CCC-Las Posadas Camp - near Pac. Union College Comment
  CAS-BOT-BC180454  Astragalus breweri G. L. Stebbins 1972-4-26 8082 Napa Chiles Valley road, about 1 mile northwest of State Highway no. 128 350 Comment
  RSA51342  Astragalus breweri P. H. Raven 1950-5-6 2022 Napa Sulpher flats and hot spring near Old Faithful Geyser N. of Calistoga. 183 Comment
  UC764693  Astragalus breweri R. F. Hoover 1941-4-26 4920 Napa between Walter Springs and Pope Valley; between Walter Springs and Pope Valley Comment
  UCD35348  Astragalus breweri Beecher Crampton 1955-5-9 2748 Napa Napa County; 2 miles north of Calistoga. Comment
  SEINET3133663  Astragalus clevelandii R. W. Spellenberg, M. Spellenberg 1974-6-12 3739 Napa 5.7 mi NE of turnoff to Aetna Springs on rd btwn Pope Valley and Middletown Comment
  UC168341  Astragalus clevelandii Katharine Brandegee Napa Butts Canyon Comment
  JEPS107251  Astragalus gambelianus Jake Ruygt 1993-4-12 3196 Napa south of James Creek Road and Butts Cany on Road. 213 Comment
  JEPS53211  Athysanus pusillus W. L. Jepson 1936-4-5 17416 a Napa Knoxville, ne Napa County Knoxville Comment
  JEPS106816  Atriplex semibaccata Jake Ruygt 1979-7-29 787 Napa Fagan's Slough, Sheehy Creek area 2 Comment
  POM290480  Avena fatua Lyman Benson 1931-2-26 2601 Napa Base Mt. St. Helena; Mayacamas; Napa Valley 244 Comment
  UCD18078  Avena fatua Ellen Dean; with PLB 102 class 2000-4-22 634 Napa McLaughlin Reserve. Just S of the site of the old town of Knoxville on the N side of the Knoxville-Berryessa Rd., W side of the road to Clover Valley. 402 Comment
  CLARK-A1528-1269  Avena sativa John C. Roos 1939-4-16 257 Napa Angwin Comment
  OBI48782  Balsamorhiza hookeri L. F. LaPre 1986-7-11 s.n. Napa Tributary to Hunting Crk, 1 mi S of Dunnigan Hill, near the Lake co line. Jericho Valley 7.5' quad T11N, R5W sec 14 396 Comment
  CAS-BOT-BC16525  Barbarea orthoceras Peter H. Raven 1964-5-9 19068 Napa Along dirt road 2 miles west of Aetna Springs. Comment
  CAS-BOT-BC16526  Barbarea orthoceras Paul F. Covel 1940-4-30 1710 Napa CCC - Las Posadas Camp - near Pacific Union College. Comment
  UCD19929  Barbarea orthoceras E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 785 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  POM182713  Barbarea verna D. D. Keck 1931-4-2 1015 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UC37442  Beckmannia syzigachne Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin Comment
  RSA195297  Bellardia trixago Gilbert Muth 1967-5-17 676 Napa Oat Hill Road, Calistoga. 256 Comment
  UCD167382  Bellardia trixago Eric LoPresti 2016-5-3 18 Napa McLaughlin UC Reserve. Old town of Knoxville, by gate at Knoxville-Berryessa Road. 396 Comment
  HSC83367  Bellardia trixago Nancy J. Hull 1974-5-19 102 Napa State Hwy. 12, 5 mi. W of Jct. with Hwy. 80 15 Comment
  UCD95912  Berberis aquifolium var. repens Ellen Dean; with Clare Loughran 2011-5-20 7051 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. Western side of property. 608 Comment
  UC118106  Berberis pinnata Alice Eastwood 1900-9-9 Napa Mt. St. Helena Comment
  CHSC102255  Bergia texana Lowell Ahart 2009-10-27 16485 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS115690  Bergia texana Lowell Ahart 2009-10-27 16485 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. Comment
  UCD114361  Boechera breweri Robert E. Preston 1987-6-13 558 Napa S side of Hwy 128 at Monticello Dam, Lake Berryessa. 152 Comment
  SBBG128576  Bolboschoenus maritimus L. Ahart 2009-10-12 16460 Napa below high water line of Lake Berryessa, along Capell Crk S of Rest Area, 0.75 mi NE of Hwy 128 on Berryessa Knoxville Rd, 0.75 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd 133 Comment
  CAS-BOT-BC31394  Bolboschoenus robustus John Thomas Howell 1932-10-8 10807 Napa Tidal flat at Cuttings Wharf on Napa River. Comment
  JEPS64002  Bolboschoenus robustus W. L. Jepson 1894-11-7 21219 Napa Napa Comment
  JEPS110603  Boschniakia strobilacea Jake Ruygt 1999-5-22 4167 Napa Livermore Ranch on road south of White Point. 826 Comment
  UCD75843  Brassica nigra Jake Ruygt 1989-5-21 2345 Napa Napa, Willis Drive. 15 Comment
  UCD41325  Brassica rapa Ellen Dean; T. and M. Starbuck 2004-4-3 2003 Napa McLaughlin UC Reserve. Along Knoxville-Berryessa Rd. near gate to old town of Knoxville. 396 Comment
  CAS-BOT-BC36763  Brassica rapa Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium. Comment
  JEPS104526  Brickellia californica Jake Ruygt 1982-9-8 1386 Napa Capell Creek 1 mile east of HWY 128, Berryessa-KnoxvilleRd 143 Comment
  SACT000478  Briza minor John Willoughby 1979-5-25 Napa Pansy Flat, in open grassy areas below stock pond 609.6 Comment
  UC187258  Briza minor Louise Martin 1902-5-15 1445 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 396 Comment
  UCD160776  Briza minor Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8656 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 601 Comment
  UCD36947  Briza minor Beecher Crampton 1956-5-25 3475 Napa Southeastern Capell Valley. Comment
  RSA376767  Brodiaea elegans subsp. elegans Robert Gustafson, Don Reynolds 1983-6-7 2742 Napa Snell Valley Road, about 1 mile northeast from the jct of Butts Canyon Rd. Comment
  CAS-BOT-BC484197  Brodiaea elegans var. elegans Betty H. Johnson 1958-6-15 623 Napa Near St. Helena River, 6.4 mi S.W. of Middletown Comment
  RSA785743  Brodiaea laxa Carrie A. Herd 1982-5-9 96 Napa Sage Canyon Road 0.8 m. W.. of Con Dam Comment
  SEINET6165242 Image available Brodiaea laxa Unknown 1981-6-22 s.n. Napa 9.9 miles S. of Middleton, down Butts Canyon Rd. Comment
  JEPS50490  Brodiaea leptandra Rimo Bacigalupi with T. I. Chuang and L. Constance 1967-7-6 9305 Napa in dry bed of rivulet along Conn Valley Rd. 0.8 mi e junction with Howell Mtn. road (at upper end of valley); Conn Valley 121 Comment
  UCD77197  Brodiaea leptandra Robert E. Preston 2004-6-26 2265 Napa Angwin, along Las Posadas Rd, ca. 1.1 mi from Howell Mountain Rd 512 Comment
  CAS-BOT-BC486433  Brodiaea terrestris subsp. terrestris Peter H. Raven 1957-5-5 10750 Napa Near the hot springs, Calistoga 91 Comment
  CAS-BOT-BC227245  Bromus Beecher Crampton 1961-6-12 5902 Napa 7 miles northeast of city of Napa, Howell Mountains, summit along State highway 37 Comment
  UCD60269  Bromus Beecher Crampton 1961-6-12 5902 Napa 7 miles northeast of Napa; Howell Mountains, summit of State Hwy. 37. Comment
  UCD57979  Bromus carinatus Beecher Crampton 1956-5-25 3482 Napa Howell Mtns. Above Wooden Valley. Comment
  JEPS123010  Bromus carinatus var. carinatus Jake Ruygt 1986-5-24 1791 Napa Table Mountain. Quad: Detert Reservoir. Comment
  UCD149688  Bromus carinatus var. carinatus Stephen P. Rae; Ayzik Solomeshch 2006-5-7 Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  UCD58447  Bromus commutatus Beecher Crampton 1962-5-16 6425 Napa 1 mile E of Aetna Springs. Comment
  CHSC25161  Bromus diandrus J. E. Beitler 1970-4-19 37 Napa Around York Creek bridge W. side of Spring Mountain Road, ca. 1.7 mi. N.W. of junction of Spring Mountain Road and York Lane. St. Helena. Comment
  CAS-BOT-BC155073  Bromus hordeaceus Ira L. Wiggins 1928-3-25 2871 Napa Roadside 1.5 mile northeast of Calistoga. Comment
  HSC26182  Bromus hordeaceus J. P. Smith, J. O. Sawyer 1970-5-17 3777 Napa 3 mi. S of Pope Valley Comment
  UCD17982  Bromus hordeaceus Ellen Dean; with Plant Biology 102 class 2001-4-14 708 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along North Decker Canyon Trail, N of trail. 182 Comment
  UC766913  Bromus laevipes R. F. Hoover 1941-5-10 5009 Napa between St. Helena and Calistoga Comment
  UC767067  Bromus laevipes R. F. Hoover 1941-4-26 4919 Napa between Samuel Springs and Walter Springs (Pope Creek Canyon); Pope Creek Canyon Comment
  UCD72384  Bromus laevipes G. F. Hrusa; Marcel Rejmanek 1993-5-15 10976 Napa Quail Ridge Reserve--Univ. of California. 225 Comment
  UCD58972  Bromus madritensis A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3545 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  CAS-BOT-BC161831  Bromus rubens Peter H. Raven 1953-4-2 5287 Napa Burn east of Tulucay Creek. 426 Comment
  UCD168568  Bromus sterilis Stephen P. Rae; A. Solomeshch 2007-3-17 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  JEPS122999  Calamagrostis ophitidis Jake Ruygt 1984-5-19 1563 Napa Cedar Roughs, west slope. Quad: Chiles Valley. Comment
  UCD57539  Calamagrostis ophitidis Beecher Crampton 1961-5-22 5877 Napa along State Hwy. 128, north end of Capell Valley above Capell Creek. Comment
  JEPS112602  Calandrinia breweri Jake Ruygt 1997-3-23 3815 Napa South of Bismark Knob on ridge. 612 Comment
  UCD48084  Calandrinia breweri R. Brush; A. Atamian, C. Owens, S. Olmsted, and M. Furuyama 2000-4-29 8 Napa Border of Yolo and Napa County, McLaughlin Reserve, one as the crow flies mile north of the old town of Knoxville, 300 meters east of old road in a burned area (burned Oct 1999). 640 Comment
  JEPS48654  Calandrinia ciliata Elsa Kraeger 1926-3-27 Napa Soscol Comment
  UCD83408  California macrophylla Jake Ruygt 1993-5-1 3240 Napa SW end of Cedar Creek Rd. 438 Comment
  UCD161329  Callitriche heterophylla var. bolanderi Jake Ruygt 1980-6-4 914 Napa Napa County : North end of Soda Canyon Road. (Coordinates estimated by label maker at UC Davis). 414 Comment
  UC146150  Callitriche marginata Joseph P. Tracy May 15 1903-May 18 1903 1870 Napa Napa Valley near Calistoga; Northern Coast Ranges 91 Comment
  RSA3285  Calochortus amabilis D. D. Keck 1931-4-2 1019 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UCD139482  Calochortus amabilis L. P. Thibault 1995-5-19 40 Napa along Highway 128, ca. 0.5 mile W of intersection with Lower Chiles Valley Road and W of Sage Creek. 250 Comment
  UCD22717  Calochortus amabilis Charles Gasser 1978-4-22 15 Napa Chiles/Pope Valley Road, 1.6 miles SW of junction with lower Chiles Valley Road. Comment
  UCD48750  Calochortus amabilis E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 20 Napa Quail Ridge Reserve: SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. ca. 0.45 mi (2,400 ft.) as the crow flies, NW from the jct of West Rd. and South Decker Canyon Rd. S side of West Rd. up on ridge. 249 Comment
  CAS-BOT-BC488482  Calochortus amabilis E. Ruckert 1960-4-17 100 Napa 6495 Dry Creek Road, high in meadow to southwest of road leading in to property. 396 Comment
  IRVC14005  Calochortus amabilis Mary R. J. Conrey 1976-5-21 s.n. Napa St. Helena Spring Mtn Rd. Coastal Range Comment
  JEPS61621  Calochortus amabilis W. L. Jepson 1938-5-18 18796 Napa slope above St. Helena Sanitarium; Howell Mt. Comment
  POM319489  Calochortus amabilis Patricia Wilder 1965-6-8 3589 Napa Monticello grade ca. 3.3 mi E of Monticello Park and 6.0 mi E of Napa on Calif. 121. 305 Comment
  SEINET5725020 Image available Calochortus amabilis Richard Beaver 1965-1 151 Napa on a slope with various shrubs, sandy clay soil; 10 miles north of the junction of Highway 128 with Highway 121. Comment
  UCD48755  Calochortus luteus M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 21 Napa Quail Ridge UC Reserve, northern tip of peninsula just N of power lines in open grassy swale. 250 ft. N of power lines. 274 Comment
  CAS-BOT-BC492540  Calochortus luteus John Thomas Howell 1929-5-30 4258 Napa Gordon Valley, Napa Range Comment
  RSA49079  Calochortus luteus Verne Grant, Alva Grant 1949-5-22 8723 Napa Along Wooden Valley Road ca. 18 miles from Napa Comment
  UC422984  Calochortus luteus H. P. Chandler 1907-5-30 7602 Napa White Sulphur Springs St. Helena Comment
  SEINET4169984  Calochortus pulchellus W. M. Grannell 1950-4-27 15 Napa N. side of PutahCanyon Comment
  JEPS113983  Calochortus splendens Jake Ruygt 1989-5-7 2304 Napa Ridge sbout 0.5 miles south of Monticello Dam. Monticello Dam 7.5' Quad. Comment
  RSA152416  Calochortus splendens Rimo C. Bacigalupi, L. T. Dempster, G. T. Robbins 1954-5-25 4507 Napa Above Soda Creek along State Highway 28, 8.2 miles east of Conn Lake (reservoir). Comment
  UCD166650  Calochortus splendens Jake Ruygt 1989-5-20 2333 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 441 Comment
  CAS-BOT-BC483611  Calochortus tolmiei Elizabeth Wright 1922-4-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC132624  Calochortus uniflorus John Thomas Howell 1926-3-27 1757 Napa Myrtledale Hot Springs near Calistoga Comment
  JEPS113985  Calochortus uniflorus Jake Ruygt 1999-5-10 4151 Napa Snell Valley near Stagecoach Canyon Road. Aetna Springs 7.5' Quad. Comment
  JEPS17769  Calochortus uniflorus W. L. Jepson 1924-4-6 10312 Napa Conn Valley 91 Comment
  POM169458  Calochortus uniflorus C. F. Baker 1903-4-19 1979 Napa Calistoga. Comment
  RSA369104  Calochortus uniflorus Alice Eastwood 1918-5-2 6879 Napa Calistoga Comment
  UC457170  Calochortus uniflorus David D. Keck 1931-4-4 1097 Napa just nw Calistoga (geysers, nw Napa County) Comment
  CAS-BOT-BC496926  Calochortus vestae David D. Keck 1933-5-29 2364 Napa Pope Creek bridge south of Walters Springs Comment
  SEINET12049807  Calochortus vestae F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -334 Napa along Butts Canyon Rd near jct with Snell Valley Rd enroute to Berryessa Estates along Butts Creek 250 Comment
  JEPS129113  Calycadenia fremontii Jake Ruygt 2015-6-6 6119 Napa Missimer-Snell Valley Preserve. Aetna Springs 7.5' Quad. Comment
  UC1876226  Calycadenia fremontii Gerald D. Carr 1972-8-21 728 Napa 2.4 mi e of Butts Canyon Rd. on Snell Valley Rd. 182 Comment
  UC126853  Calycadenia multiglandulosa H. P. Chandler 1907-7-19 7603 Napa Howell Mt. Comment
  UC194184  Calycadenia multiglandulosa H. M. Hall 1915-8-12 10092 Napa Howell Mountain, near summit, along n road to Woodworth's 518 Comment
  POM30958  Calycadenia multiglandulosa subsp. cephalotes H. P. Chandler 1907-7-19 7603 Napa Howell Mt. Comment
  CAS-BOT-BC270835  Calycadenia pauciflora John Thomas Howell 1930-10-19 5626 Napa 5 miles from Aetna Springs on Butts Canyon road to Middletown, near Napa - Lake County line Comment
  UCD18117  Calycadenia pauciflora K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 54 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., top of ridge by air quality station. 560 Comment
  CAS-BOT-BC270836  Calycadenia pauciflora H. M. Hall 1924-10-10 s.n. Napa From seeds gathered in northern part of county Comment
  JEPS38535  Calycadenia pauciflora W. L. Jepson 1930-10-19 15700 Napa Butts Canyon , NE Napa Co. Comment
  JEPS38579  Calycadenia pauciflora W. L. Jepson 1891-9-21 Napa Miller Canon Vaca Mts. Comment
  RSA255607  Calycadenia pauciflora Gerald D. Carr 1972-9-14 734 Napa 1.5 miles east of Howell Mt. Road on Conn Valley Road 122 Comment
  UCD129823  Calycadenia pauciflora Gerald D. Carr 1971-10-23 681 Napa 1/4 mile west of Berryessa-Knoxville Road on Highway 128. Comment
  UCD129905  Calycadenia pauciflora Gerald D. Carr 1971-9-20 668 Napa 1.8 miles southeast of Lake County line on Morgan Valley Road, 125 yards north of road. Comment
  JEPS106926  Calycadenia truncata Jake Ruygt 1998-8-28 4108 Napa 1.2 miles north of Silverado Trail on Soda Canyon Road. 54 Comment
  UC523514  Calycadenia truncata David D. Keck 1933-11-10 2720 Napa 1 mi n of Yountville Comment
  UC30763  Calycadenia truncata W. L. Jepson 1892-10-22 Napa near St. Helena; Park Hill Comment
  CAS-BOT-BC271566  Calycadenia truncata subsp. truncata John Thomas Howell 1930-7-13 5344 Napa Lower slopes of Mt. St. Helena Comment
  CAS-BOT-BC271600  Calycadenia truncata subsp. truncata Edward Lee Greene 1881-7-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC90959  Calycanthus occidentalis Peter H. Raven 1950-6-20 2335 Napa In the Napa Range between Saint Helena and Conn Valley. Comment
  JEPS121524  Calycanthus occidentalis Adam C. Schneider with Dick O'Donnell 2013-5-26 210 Napa The downill (east ) side of the road cut of Butts Canyon Road, 2 miles south of Snell Valley Rd. Comment
  JEPS40311  Calycanthus occidentalis W. L. Jepson 1894-10-18 Napa Upper Conn Valley Comment
  RSA456153  Calycanthus occidentalis E. S. Spalding 1924-7-4 s.n. Napa White Sulphur Springs Canon, near St. Helena. Comment
  SJSU449  Calycanthus occidentalis H. H. Anderson 1939-5-15 Napa Mt St Helena Comment
  UC1536921  Calycanthus occidentalis Gordon H. True Jr. 1937-6-21 731 Napa near Lokoya Lodge 365 Comment
  UC521695  Calycanthus occidentalis Joseph Andorfer Ewan 1933-9-17 8010 Napa 2.5 mi out Calistoga (Mt. St. Helena summit road); Mt. St. Helena Comment
  UCD15499  Calycanthus occidentalis Ted Graber 1984-5-12 28 Napa 1 mile west from Conn Dam on highway 128. 60 Comment
  SEINET8690276 Image available Calycanthus occidentalis Marion Ownbey, Ruth P. Ownbey 1938-7-9 1700 Napa 6 mi NE of Napa Comment
  JEPS41086  Calyptridium quadripetalum Rimo Bacigalupi and L. R. Heckard 1965-5-15 9091 Napa headwaters of creek 1/2 mi se Devilhead Road (from Knoxville to Cedar Valley) (ne Napa Co.); Zim Zim Creek 487 Comment
  RSA710254  Calystegia collina R. K. Brummitt, Adrian Wolf, R. W. Howe 1998-5-15 19851 Napa Calistoga, Butts Canyon 0.5 km from Snell Valley turn-off 350 Comment
  CDA33443  Calystegia collina subsp. collina Dale Woods, V. Popescu 2010-6-28 Napa Along Devilshead-Knoxville Road. Comment
  UC23185 Image available Calystegia collina subsp. collina Willis L. Jepson 1894-5-1 Napa Conn Valley, Napa River Basin. Comment
  JEPS106397  Calystegia collina subsp. oxyphylla Jake Ruygt 1986-6-1 1801 Napa Mt. St. Helena; HWY 29 near Lake Co. line 502 Comment
  UCD161311  Calystegia collina subsp. oxyphylla Joe Callizo 1998-6-18 s.n. Napa Livermore Road. (Coordinates estimated by label maker at UC Davis). 524 Comment
  UCD14591  Calystegia occidentalis subsp. occidentalis Dean R. Donalson 1984-6-1 s.n. Napa California, Napa Co.; city of Napa Comment
  JEPS31643  Calystegia purpurata Willis L. Jepson 1893-4-25 14517 Napa range w St. Helena (Napa River Basin, trail to <?>au<?>s Cabin); Napa River Basin, range w of St. Helena Comment
  UCD161219  Calystegia purpurata subsp. purpurata Ruygt 1998-5-16 3969 Napa Maggie's Peak, south of Bismark Knob. 603 Comment
  UCD48871  Calystegia purpurata subsp. purpurata E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 7 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., N of jct with South Decker Canyon Rd.; on a SW-facing slope on upslope of road. 237 Comment
  HSC43955  Camissonia ignota Robert M. Specht 1977-4-19 697 Napa Above drainage running NE from Adams Creek. 518 Comment
  UCD20461  Camissoniopsis hirtella R. Brush; w/ A. Atamian, C. Owens, S. Olmstead, M Furuyama 2000-4-29 14 Napa Yolo County/ Napa County line: McLaughlin UC Reserve. Four 'as the crow files' miles N of old town of Knoxville. 640 Comment
  JEPS101436  Campanula griffinii Dean W. Taylor 1998-6-18 16676 Napa ridge dividing Butts Canyon and Spanish Valley 502 Comment
  CAS-BOT-BC37119  Capsella bursa-pastoris R. E. Frenkel 1963-10-27 298 Napa In the vineyard north of Oakville Cross Road. Comment
  UCD18039  Capsella bursa-pastoris Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 590 Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley, just E of site of old town of Knoxville. Near old Osage orange tree by creek. 402 Comment
  UCD114140  Capsella bursa-pastoris David Lawfer 1952-3-11 107 Napa Napa. Comment
  CAS-BOT-BC37585  Cardamine californica John Thomas Howell 1931-4-2 6081 Napa Summit of Wooden Valley Grade, 8 miles east of Napa. Comment
  CAS-BOT-BC37586  Cardamine californica John Thomas Howell 1931-4-4 6162 Napa Near Toll House, Mount St. Helena Region. Comment
  UC583409  Cardamine californica Elmer I. Applegate 1932-3-22 7032 Napa 4 mi n Calistoga (Mayacama Mountains, Crater Region); Mayacama Mountains, Crater Region, n of Calistoga Comment
  UCD117927  Cardamine californica Rachel Westaby; Plant Biology 102 Collectors 2012-4-29 4 Napa Las Posadas State Experimental Forest. Just northeast of the fire station along undeveloped road. 519 Comment
  UCD74395  Cardamine californica Jake Ruygt 2000-3-18 4220 Napa Pope Valley; Butts Canyon Rd. south of Aetna Springs Rd. 211 Comment
  SEINET3165956  Cardamine californica var. californica C. D. Bailey 2008-3-19 258 Napa East of the town of Napa along Combsville Rd. Right turn onto Green Valley Rd. and ca. 1 mile up Green Valley Rd. Small population on uphill side of the rd (NW). More populations growing along Wild Horse Valley Rd. a short distance away. 122 Comment
  JEPS106835  Cardamine californica var. integrifolia Jake Ruygt 1981-3-23 954 Napa across HWY 29 (221) from Kaiser Rd. 10 Comment
  UCD41309  Cardamine oligosperma Andrea Douglas; E. Dean, M. Bibbo, and T. Pitman 2004-5-1 2 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, W side of Knoxville Creek, 1 road mile S of the gate to old town of Knoxville. 353 Comment
  HSC33343  Cardaria chalepensis William J. Ferlatte 1972-4-18 1678 Napa Hwy. 128 at mile post 18.19, 0.8 mi. W of junction with Berryessa-Knoxville Rd., N of road 305 Comment
  UCD19933  Carduus pycnocephalus E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 791 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  UCD38974  Carduus pycnocephalus Beecher Crampton 1961-6-12 5897 Napa Wragg Canyon, Vaca Mts. along State Hwy. 128. Comment
  RSA195342  Carduus pycnocephalus Gilbert Muth 1967-5-19 699 Napa Milliken Dam. 335 Comment
  UCD85577  Carduus pycnocephalus T. C. Fuller 1958-5-1 451 -58 Napa State Highway 53, 2.5 miles north of Calistoga. Comment
  UCD85855  Carduus pycnocephalus Peter H. Raven 1950-5-6 2007 Napa West branch of the Napa River where it meets Rt. 29 approximately 1 mile north of Calistoga. 91 Comment
  UCR43086  Carex L. F. LaPre 1986-5-6 s.n. Napa Inner North Coast Ranges, Cedar Creek, 3.5 mi SW of Knoxville & c. 0.5 mi (air) west of Devilhead Road at the junction of the creek & a dirt road 550 Comment
  JEPS121332  Carex aquatilis var. dives Jake Ruygt 2006-4-15 4982 Napa Highway 29, about 0.5 mi. south of Lincoln Ave., Calistoga. Comment
  JEPS63512  Carex barbarae W. L. Jepson 1937-7-16 18452 Napa near Oakville; Napa Valley Comment
  UC826509  Carex barbarae Wilhelm N. Suksdorf 1913-7-30 740 Napa in a canyon NW of Napa Comment
  UCD140163  Carex barbarae Max P. Dunford 1961-4-8 1032 Napa 6 miles west of Petaluma on road to Two Rock and Bodega Bay. 30 Comment
  UCD161787  Carex bolanderi Jake Ruygt 1994-5-17 3384 Napa Linda Falls, Angwin. 402 Comment
  CAS-BOT-BC18903  Carex densa J. W. Stacey 1933-5-15 s.n. Napa Howell Mountain. Comment
  UC50829  Carex densa J. P. Tracy 1902-5-26 1637 Napa near Calistoga; Napa Valley 91 Comment
  UCD161784  Carex densa Jake Ruygt 2002-3-15 4360 Napa Highway 29 about 3/4 mile south of Yountville. 23 Comment
  CDA29152  Carex gracilior D. G. Kelch, Daniel Weinstein 2009-6-21 9 .45 Napa Near Skyline Park. Comment
  UC1103568  Carex multicaulis J. P. Tracy 1902-5-18 1545 1/2 Napa 3-4 mi e Angwin's (head Moore's Creek); Head Moore's Creek, Howell Mountain 487 Comment
  UC50830  Carex multicaulis J. P. Tracy 1902-5-21 1616 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain 487 Comment
  CAS-BOT-BC119512  Carex nudata Ella D. Cantelow 1939-4-8 2501 Napa 3.5 mi NW of Knoxville. Comment
  CDA37938  Carex nudata D. G. Kelch 2010-5-6 10 .164 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  UCD140693  Carex nudata G. F. Hrusa 1996-4-20 12823 Napa draining the Palisades from Cub Valley. MonteSol Ranch. 550 Comment
  SEINET8055338 Image available Carex nudata A. Eastwood, J. T. Howell 1937-4-4 3826 Napa near summit N of Wooden Valley Comment
  UC1158108  Carex serratodens Joseph P. Tracy 1950-5-23 18684 Napa along branch of Moores Creek; Las Posadas State Forest, Howell Mountain 335 Comment
  RSA783701  Carex subbracteata Jake Ruygt 2009-6-22 3221 -b Napa Yountville Ecological Reserve. Yountville Cross Road. Comment
  CAS-BOT-BC115551  Carex tumulicola Peter H. Raven 1951-6-26 3093 Napa Cappell Valley to Wooden Valley. 274 Comment
  UCD161586  Carex tumulicola Jake Ruygt 2008-4-24 5304 -e Napa center divide of Highway 221 about 1/4 mile north of Highway 29 intersection. 30 Comment
  UCD35855  Carthamus lanatus Beecher Crampton 1965-5-13 7336 Napa ca. 3 miles southeast of Calistoga, Silverado Trail. Comment
  JEPS6842  Castilleja affinis subsp. affinis Peter H. Raven 1952-5-26 4071 Napa e side Wooden Valley Grade 304 Comment
  JEPS85281  Castilleja affinis subsp. affinis L. R. Heckard, R. Bacigalupi, P. C. Silva 1962-4-16 1301 a Napa 1 mi s Calif. Hwy. 37 junction with road to Wooden Valley (along Calif Hwy 37); Howell Mts. 304 Comment
  JEPS110631  Castilleja ambigua subsp. ambigua Jake Ruygt 1985-5-18 1598 Napa Foss Valley 435 Comment
  JEPS9136  Castilleja ambigua subsp. ambigua W. L. Jepson 1923-6-23 9979 Napa se of Yountville; Napa Valley Comment
  JEPS103917  Castilleja applegatei subsp. martinii T. I. and F. M. Chuang 1991-6-23 7834 Napa 3 mi N of Angwin, along Ink Gade Rd. Comment
  JEPS5194  Castilleja applegatei subsp. martinii Rimo Bacigalupi and J. R. Sweeney 1953-5-27 4168 Napa at s city limit of Calistoga, at roadside of main Napa Valley Highway Calistoga 102 Comment
  RSA93064  Castilleja applegatei subsp. martinii Milo S. Baker 1953-5-11 12650 Napa Mt. St. Helena Hwy, West side short distance above Hanley's. Comment
  CDA10882  Castilleja attenuata G. F. Hrusa, M. Rejmanek 1993-5-15 10977 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS9880  Castilleja attenuata W. L. Jepson 1944-5-21 27258 Napa valley at w base Adam-and-Eve Ridge; Howell MOuntain Comment
  UC1537455  Castilleja attenuata Gordon H. True Jr. 1938-4-14 865 Napa Yountville Comment
  JEPS10088  Castilleja densiflora subsp. densiflora Rachael Wilson 1944-5-9 Napa Conn Valley Comment
  JEPS110626  Castilleja densiflora subsp. densiflora Jake Ruygt 1992-4-29 2916 Napa Johnson's Meadow, Wild Horse Valley Ranch 420 Comment
  UCD19866  Castilleja exserta C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-11 1199 Napa Lower slopes of Mount St. Helena, view spot north of Calistoga, along Hwy 29. Comment
  UCD48221  Castilleja foliolosa P. Mayers; M. Carson, A. Haselby, J. Howard 2000-4-29 18 Napa Napa County, McLaughlin Reserve, near Yolo County line. 670 Comment
  RSA195319  Castilleja foliolosa Gilbert Muth 1967-4-9 607 Napa Between Aetna and Callistoga. 671 Comment
  UC1537565  Castilleja minor subsp. spiralis Gordon H. True Jr. 1937-7-30 825 Napa near Aetna Springs 365 Comment
  UC765676  Castilleja minor subsp. spiralis R. F. Hoover 1938-9-23 3860 Napa canyon of south fork of Butts Creek Comment
  UCD20380  Castilleja rubicundula K. Esau 1932-5-3 s. n. Napa Napa County, Napa. Comment
  JEPS11160  Castilleja rubicundula subsp. lithospermoides Rachael Wilcox 1944-5-9 Napa Conn Valley Comment
  UC75151  Castilleja rubicundula subsp. lithospermoides C. F. Baker 1903-5-8 2965 Napa Knoxville Comment
  UCD160684  Castilleja rubicundula subsp. lithospermoides Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8756 Napa Along Shell Valley Road, east of Butts Canyon. South side of road. Land owned by Napa County Land Trust. Permission granted to collect. 177 Comment
  UCD169784  Castilleja rubicundula subsp. lithospermoides Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 792 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 447 Comment
  JEPS10645  Castilleja rubicundula subsp. lithospermoides C. F. Sonne Apr 1887 Napa Comment
  UCD74390  Caulanthus lasiophyllus Jake Ruygt 1986-4-5 1681 Napa Ridge to the south of Suscol Creek. 237 Comment
  CAS-BOT-BC47998  Ceanothus L. R. Abrams 1928-5-4 12289 Napa 4 mi. south of Middletown Comment
  SBBG122273  Ceanothus confusus D. O. Burge 2008-5-31 1005 b Napa Spring Mtn Rd near small reservor at BM 626, 1.7 rd mi W of intersection with Madrona Ave, York Crk, Mayacmas Mtns 200 Comment
  CAS-BOT-BC48944  Ceanothus cuneatus Frank A. Leach 1921-3-1 s.n. Napa hills back of Napa asylum Comment
  CDA11901  Ceanothus cuneatus G. F. Hrusa, G. L. Stebbins 1994-4-8 11721 A Napa North Coast Biodiversity Arena; approx. 1/2 mile above Aetna Springs resort. Comment
  UCD170215  Ceanothus cuneatus Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 742 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 330 Comment
  JEPS42084  Ceanothus cuneatus var. cuneatus W. L. Jepson 1910-3-28 4022 Napa sw Rebecca Ranch grade (Calistoga) Comment
  UCD49122  Ceanothus cuneatus var. cuneatus S. Murphy; K. Keck and K. Dyer 2002-5-5 5 Napa Quail Ridge UC Reserve, northern tip of ridge, along northern edge of upper road leading to power lines and tip parcels, NE from the intersection of West and East roads ca. 50m. 327 Comment
  CAS-BOT-BC64431  Ceanothus divergens L. R. Abrams 1928-5-4 12270 Napa Near summit of Mt. St. Helena. Comment
  CAS-BOT-BC64432  Ceanothus divergens L. R. Abrams 1928-5-4 12270 Napa Near summit of Mt. St. Helena. Comment
  CAS-BOT-BC64439  Ceanothus divergens John Thomas Howell 1926-3-21 1705 Napa Trail to top of Mt. St. Helena. Comment
  CAS-BOT-BC64443  Ceanothus divergens Frank A. Leach 1921-3-1 s.n. Napa Hills back of Napa Canyon. Comment
  UC1070629  Ceanothus foliosus A. E. Wieslander 1931-5-11 184 Napa n slope Mt. St. Helena (n of Calistoga.); Calistoga quad. 731 Comment
Read comments
Aug 15 2010
  UC1198028  Ceanothus foliosus Joseph P. Tracy 1902-5-17 1512 Napa 3-4 mi e Angwins (on hills at head of Moore's Creek.); Howell Mt., North Coast Ranges 365 Comment
  UC67651  Ceanothus foliosus E. L. Greene Apr 1892 Napa Mt. St. Helena Comment
  UCD149683  Ceanothus foliosus Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa 2 km south of Calistoga, ca. 1.5 km west of Highway 29 at 1755 Diamond Mountain Road. Pierce Vineyard Property. 375 Comment
  SEINET4411450 Image available Ceanothus foliosus C. C. Parry 1888-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC50878  Ceanothus foliosus var. foliosus Ella Dales Cantelow 1939-4-8 2524 Napa 4 1/2 mi. s.w. of Pac Union College, Howell Mt. Comment
  CAS-BOT-BC50915  Ceanothus foliosus var. foliosus C. Hart Merriam 1907-7-10 s.n. Napa Howell Mt. Comment
  CAS-BOT-BC50916  Ceanothus foliosus var. foliosus H. E. McMinn 1923-5-25 962 B Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC50924  Ceanothus foliosus var. foliosus Carl B. Wolf 1928-5-3 1827 Napa Base of Mt. St. Helena Comment
  UC726975  Ceanothus foliosus var. foliosus A. A. Heller 1941-5-3 16085 Napa Mt. St. Helena Mt. St. Helena (at places halfway up the mountain) Comment
  CAS-BOT-BC63749  Ceanothus incanus Mrs. S. Earle Kelley 1918-8-1 s.n. Napa Mt. St. Helena. Comment
  UC424875  Ceanothus incanus Milo S. Baker 1929-3-27 3423 b Napa North slope Mt. St. Helena along hwy Comment
  CAS-BOT-BC50793  Ceanothus integerrimus Brandegee 1890-6-1 21 Napa Toll House, Mt. St. Helena Comment
  JEPS110716  Ceanothus integerrimus Jake Ruygt 1998-6-6 4015 Napa Devilshead Road near ranch. 463 Comment
  UCD162738  Ceanothus integerrimus Dylan O. Burge; J. Rugyt 2014-5-23 1625 Napa Butts Canyon Road, roadside. 222 Comment
Read comments
Dec 8 2016
  UCD169650  Ceanothus integerrimus Jake Ruygt 2015-6-20 6142 Napa Butts Canyon Road south of Snell Valley Road. 211 Comment
  UCD170258  Ceanothus integerrimus D. O. Burge 2016-10-22 2182 Napa Roadside on Butts Canyon Road. 210 Comment
  UCD21539  Ceanothus integerrimus B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 3 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, next to first stream crossing W of confluence of Sensitive Plant Canyon and Hunting Creek. 320 Comment
  CAS-BOT-BC50637  Ceanothus jepsonii Roman Gankin 1966-2-26 678 Napa Next to roadway at gate; property west of macdonald Ranch, las Posadas State Forest Comment
  UCD118607  Ceanothus jepsonii William Goss; Plant Biology 102 Collectors 2012-5-5 4 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 407 Comment
  JEPS79564  Ceanothus jepsonii var. albiflorus Edward Lee with A. Carter and E. Crum 1936-3-15 1819 Napa Butt's Canyon Comment
  RSA0056202  Ceanothus jepsonii var. purpureus Keith E. Hoffmaster 1946-3-23 1226 Napa Napa range, near summit of Napa-Monticello road. Comment
  CAS-BOT-BC51557  Ceanothus oliganthus var. sorediatus Lewis S. Rose 1955-4-4 55043 Napa Conn Lake, 5 mi. E. of Rutherford 152 Comment
  HSC44021  Ceanothus oliganthus var. sorediatus Robert M. Specht 1977-4-18 681 Napa Along N side of Develhead Rd. 451 Comment
  JEPS110859  Ceanothus oliganthus var. sorediatus Jake Ruygt 1976-4-29 34 Napa .6 mile SW of Napa-Solano Co. line on HWY 128 164 Comment
  RSA22077  Ceanothus oliganthus var. sorediatus L. S. Rose 1939-4-16 39067 Napa 3 miles NE of Napa. 137 Comment
  CAS-BOT-BC53212  Ceanothus parryi Gilbert Muth 1967-4-9 613 Napa Kidd Canyon, brushy hillside 518 Comment
  JEPS42242  Ceanothus parryi W. L. Jepson 1938-5-22 18820 Napa Limekiln Creek Canyon Pope Valley (lower slopes) Comment
  UC1299537  Ceanothus parryi Freed W. Hoffman 1947-3-20 941 Napa East side of Napa Range on Trinity Road Comment
  UC79859  Ceanothus parryi Katharine Brandegee 1889-4 20 Napa Toll House , Toll House (Mt. St. Helena) Comment
  UC79862  Ceanothus parryi Katharine Brandegee June 1889 20 Napa Toll House , Toll House (Mt. St. Helena) Comment
  CAS-BOT-BC52182  Ceanothus purpureus Milo S. Baker 1942-3-1 10190 Napa Northeast of town of St. Helena on road to Pacific Union College Comment
  CAS-BOT-BC52189  Ceanothus purpureus H. E. McMinn 1925-1-24 1367 b Napa Summit Wooden Valley Grade Comment
  CAS-BOT-BC52192  Ceanothus purpureus s.n. Napa unspecified Comment
  CAS-BOT-BC52199  Ceanothus purpureus Alice Eastwood; John Thomas Howell 1937-4-4 3832 Napa Wooden Valley Grade east of Napa Comment
  JEPS110727  Ceanothus purpureus Jake Ruygt 1995-3-29 3412 Napa about 2 mi S of Sage Canyon Road across from boat ramp 457 Comment
  JEPS110729  Ceanothus purpureus Jake Ruygt 1977-3-7 147 Napa east of east end of Westgate Dr., Silverado 274 Comment
  JEPS42096  Ceanothus purpureus Willis L. Jepson 1893-4-28 14027 Napa Milliken Creek, gorge N of Mt. George Napa River Basin Comment
  RSA755230  Ceanothus purpureus Dylan O. Burge 2007-5-4 DOB 904 c Napa Wooden Grade, NE of Mount George, roadside on Monticello Road (SR 121), 3.3 road miles E of Atlas Peak Road or 2.3 road miles W of Wooden Valley Road, at mile marker 13.88, 9.28 km 46 degrees True ENE of Napa. 360 Comment
  SEINET3075748 Image available Ceanothus purpureus M. Van Rensselaer 1938-4-26 Napa Wooden Valley. Comment
  UC903053  Ceanothus purpureus Ethel Crum 1937-4-19 1775 Napa Mount George, Napa Range, six miles North of Napa 304 Comment
  UCR136719  Ceanothus purpureus L. S. Rose 1948-3-8 48010 Napa Wooden Valley Grade, 6 mi NE of Napa 183 Comment
  JEPS68364  Ceanothus velutinus L. R. Heckard 1972-6-26 2998 Napa below radar station (se of lookout on peak); Mt. St. Helena Comment
  UCD170429  Centaurea calcitrapa Daniel Potter; Daniel McNair 2016-4-23 922 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  UCD130047  Centaurea melitensis Charles B. Heiser Jr. 1947-5-17 1909 Napa 5 miles southwest of Monticello in road to St. Helena. Comment
  JEPS44140  Centaurea solstitialis W. L. Jepson 1937-9-29 18572 Napa St. Helena (on road to sanitarium) St. Helena Comment
  UC153951  Centaurium trichanthum Joseph P. Tracy 1899-7-5 437 Napa 3-4 mi e Angwin's (on hills at head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 365 Comment
  UC22689  Centaurium trichanthum Willis L. Jepson 1895-1 Napa Calistoga Comment
  UCD167095  Centromadia fitchii Jake Ruygt 2015-7-25 6149 Napa Missimer -Snell Valley Preserve. 177 Comment
  UC990564  Centromadia fitchii James I. McMurphy 1909-8-7 698 Napa between Mount St. Helena and Calistoga Comment
  SD9168  Centromadia parryi Katherine Curran 1883-1 Napa Calistoga Comment
  CAS-BOT-BC272827  Centromadia parryi subsp. parryi Peter H. Raven 1957-5-5 10742 Napa Calistoga 91 Comment
  CAS-BOT-BC272830  Centromadia parryi subsp. parryi A. A. Heller 1941-9-22 16318 Napa At Calistoga Comment
  JEPS18290  Centromadia parryi subsp. parryi Peter H. Raven 1957-5-5 10742 Napa at Airport (near the hot springs); Calistoga 91 Comment
  UC726515  Centromadia parryi subsp. parryi A. A. Heller 1941-9-22 Napa Calistoga Comment
  CAS-BOT-BC279253  Centromadia pungens subsp. pungens John Thomas Howell 1929-10-26 4542 Napa 9 miles north of Vallejo Comment
  UC421613  Centromadia pungens subsp. pungens John Thomas Howell 1929-10-26 4542 Napa 9 mi n Vallejo Comment
  JEPS112624  Centunculus minimus Jake Ruygt 1995-6-5 3486 b Napa Taylor driveway, about 1.5 miles south of Lake Hennessey. 411 Comment
  SBBG7283  Cephalanthus occidentalis J. M. Tucker 1941-9-20 398 Napa mtns between Monticello and Pope Valley Comment
  JEPS51353  Cerastium glomeratum W. L. Jepson 1921-5-6 9178 Napa Calistoga 109 Comment
  JEPS51366  Cerastium glomeratum W. L. Jepson 1910-3-28 4028 Napa Rebecca Ranch Grade s.w. of Calistoga Comment
  UCD98040  Cerastium glomeratum K. Esau 1939-5-1 s.n. Napa Napa Valley. Comment
  HSC14637  Cercis occidentalis Greg Bos 1963-3-3 21 Napa W slope of [Lake] Berryesa, Spanish Flat area. 152 Comment
  JEPS107195  Cercis occidentalis Jake Ruygt 1997-3-18 3809 Napa Conn Valley Road, 2 miles east from Silverado Trail 146 Comment
  UC555385  Cercis occidentalis Herbert L. Mason 1925-1-23 1207 Napa Pope Canyon Comment
  CAS-BOT-BC135484  Cercocarpus betuloides var. betuloides Alice Eastwood 1918-5-1 6839 Napa Mt. St. Helena Comment
  JEPS44709  Cercocarpus betuloides var. betuloides W. L. Jepson 1937-4-10 17999 Napa Howell Mountain, Adam-and-Eve Ridge Adam-and-Eve Ridge; Howell Mountain, Adam-and-Eve Ridge Comment
  UC903165  Cercocarpus betuloides var. betuloides Ethel Crum 1937-4-19 1776 Napa 6 mi n of Napa (Mount George); Napa Range, Mount George 304 Comment
  CAS-BOT-BC284534  Chaenactis glabriuscula var. heterocarpha Alice Eastwood 1930-4-13 17933 Napa Canyon between Monticello and Pope Valley Comment
  CAS-BOT-BC284566  Chaenactis glabriuscula var. heterocarpha John Thomas Howell 1941-6-22 16321 Napa Hills sw. of St. Helena Comment
  JEPS106931  Chaenactis glabriuscula var. heterocarpha Jake Ruygt 1980-4-22 856 Napa .7 miles northwest of Knoxville Rd. on Berryessa-Knoxville R 457 Comment
  POM182724  Chaenactis glabriuscula var. heterocarpha D. D. Keck 1931-4-3 1063 Napa Pope Creek Canyon, 8 miles NW of Monticello Comment
  UCD161367  Chaenactis glabriuscula var. heterocarpha Jake Ruygt 1989-4-22 2285 Napa Northeast corner of Highway 128 and Berryessa Knoxville Road. (Coordinates estimated by label maker at UC Davis). 207 Comment
  UCD32574  Chaenactis glabriuscula var. heterocarpha Beecher Crampton 1954-5-20 1928 Napa 8 miles southwest of Monticello, along highway 128. Comment
  JEPS52338  Chamaesyce serpyllifolia W. L. Jepson 1894-1 13929 Napa St. Helena Comment
  JEPS52333  Chamaesyce serpyllifolia W. L. Jepson 1894-11-5 13934 Napa near St. Helena; Napa River Comment
  CAS-BOT-BC70162  Cheilanthes gracillima Belle Richardson Jackson 1924-10-22 s.n. Napa Top of Mt. St. Helena Comment
  CHSC102253  Chenopodium album Lowell Ahart 2009-10-27 16498 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS126100  Chenopodium album Jake Ruygt 1986-7-12 1870 Napa East bank of Napa River just east of confluence Tulocay Creek. Napa 7.5' Qua. Comment
  JEPS59711  Chenopodium ambrosioides W. L. Jepson 1894-11-5 Napa St. Helena Comment
  UCD148776  Chenopodium berlandieri Jake Ruygt 2006-7-22 5076 Napa Rutherford. Napa River north of Zinfandel Lane. 56 Comment
  UCD170157  Chenopodium californicum Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 781 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 428 Comment
  UCD161538  Chenopodium macrospermum Jake Ruygt 1991-9-23 2844 Napa Napa River, north of Slaughterhouse Point. 1 Comment
  POM215110  Chenopodium macrospermum var. farinosum J. T. Howell 1932-10-8 10801 Napa Tidal flat on Napa River at Cuttings Wharf. Comment
  CAS-BOT-BC498812  Chlorogalum pomeridianum Peter H. Raven 1952-5-31 4122 Napa Hills s.w. of Rector Canyon 152 Comment
  UC13725  Chlorogalum pomeridianum var. pomeridianum Willis L. Jepson July 1884 Napa Little Oak Comment
  JEPS50853  Chlorogalum pomeridianum var. pomeridianum H-M. Beard, W. Roderick Jun 21 1966-Jul 14 1967 60 .1332 Napa Comment
  CDA18829  Chondrilla juncea O. Dannenberg 1999-6-22 PDR 1103331 Napa Hwy 29 Yountville overpass, Yountville. 0 Comment
  JEPS110783  Chorizanthe membranacea Jake Ruygt 1988-5-29 2203 Napa between Adams Ridge and Mysterious Valley 536 Comment
  UC54973  Chorizanthe membranacea Willis L. Jepson 1893-6-24 Napa grade to Napa Soda Springs (Napa River Basin, Napa Range); Napa Range, Napa River Basin, Napa Soda Springs Comment
  JEPS120318  Chorizanthe stellulata Jake Ruygt 1993-5-22 3265 Napa On private road across from James Creek Road at Butts Canyon Road. Aetna Springs 7.5' Quad. Comment
  JEPS24506  Cichorium intybus J. H. Thomas 1960-8-29 8837 Napa about 1 mi n Calistoga (along Highway 53) Comment
Read comments
Sep 7 2012
  UCD159450  Cichorium intybus D. S. Park 2010-8-5 207 -1 Napa East of Lake Hennessey. Rt. 128, Sage Canyon Rd. Disturbed, roadside. 102 Comment
  UCD159464  Cichorium intybus D. S. Park 2010-8-13 218 Napa St. Helena. Along Fulton Ln. Growing in the fringes of orchards. 71 Comment
  UCD130481  Cichorium intybus Austin Griffiths Jr.; Patricia L. Griffiths 1963-9-5 4824 Napa Expty residental lot, Napa Valley. Comment
  CDA1207  Cirsium douglasii var. douglasii Gene Cornett 1952-1-2 s.n. Napa S.E. corner of Napa Co.( 300 yds N of American Canyon Rd., 2.7 mi. E of Hwy 29, about 0.3 mi W of I-80)(map with sheet #3 of 4) Comment
  CDA1208  Cirsium douglasii var. douglasii Gene Cornett 1952-1-2 s.n. Napa S.E. corner of Napa Co.( 300 yds N of American Canyon Rd., 2.7 mi. E of Hwy 29, about 0.3 mi W of I-80)(map with sheet #3 of 4) Comment
  CDA1213  Cirsium douglasii var. douglasii T. C. Fuller 1961-6-15 6339 Napa 0.5 mi. n. of American Canyon Rd. about 2 mi e. of Napa Junction (Hwy 29). Comment
  CDA1211  Cirsium douglasii var. douglasii T. C. Fuller, H. Stabo 1959-6-2 2647 Napa Southern Napa Co. 0 Comment
  OBI76874  Cirsium douglasii var. douglasii Neal Kramer 2012-7-18 2065 Napa Approx 1.3 mi W of jctn I-80 and American Cyn Rd NAD83 UTM 10S 0567936E 4224770N 72 Comment
  CAS-BOT-BC286576  Cirsium occidentale var. venustum Peter H. Raven 1950-6-20 2328 Napa St. Helena to Conn Valley, Napa Range Comment
  CAS-BOT-BC286575  Cirsium occidentale var. venustum John Thomas Howell 1930-7-13 5343 Napa 5 miles below the old Toll House, Mt. St. Helena Comment
  JEPS59207  Cirsium occidentale var. venustum Willis L. Jepson 1901-8-6 1732 Napa Howell Mt. Napa River Basin, Howell Mt. Comment
  JEPS59308  Cirsium occidentale var. venustum W. L. Jepson 1937-7-16 18450 Napa about 1 mi above Sanitarium (lower slope of Howell Mt.); Howell Mt., St. Helena Comment
  CAS-BOT-BC169770  Cistanthe quadripetala Herbert L. Mason 1935-5-30 10010 Napa 4 miles N of Knoxville on the Monticello - Lower lake Road Comment
  JEPS126096  Cistus incanus Jake Ruygt 1979-5-20 625 Napa 0.2 miles north of Glass Mountain Road on Silverado Trail. Saint Helena 7.5' Qua. Comment
  UCD167269  Clarkia affinis Jake Ruygt 2010-5-16 5557 Napa Mt. George, Foote Botanical Preserve, west slope. 256 Comment
  CAS-BOT-BC160918  Clarkia amoena subsp. amoena E. Ruckert 1960-4-29 131 Napa 6495 Dry Creek Road 396 Comment
  CAS-BOT-BC160919  Clarkia amoena subsp. amoena Alice Eastwood; John Thomas Howell 1939-6-11 7421 Napa Hood Mt. Range sw. of Oakville Comment
  RSA292923  Clarkia amoena subsp. huntiana Reino Alava 1957-5-30 981 Napa Along State Highway No. 128 at the Napa - Solano county line Comment
  CAS-BOT-BC172175  Clarkia concinna John H. Thomas 1955-5-21 5148 Napa Along State Highway No. 128, about 4.5 miles south of Monticello 167 Comment
  CAS-BOT-BC172181  Clarkia concinna John Thomas Howell 1929-5-30 4279 Napa Between Chiles and Pope Valleys, Napa Range Comment
  UCD71256  Clarkia concinna Linda Coats 1983-6-3 54 Napa Lower Chiles Valley Road, 3 miles north of State Highway 128. 259 Comment
  CAS-BOT-BC172176  Clarkia concinna Betty H. Johnson 1958-6-8 592 Napa Near St. Helena River at the Mill House, 6.4 mi. S.W. of Middletown Comment
  UCD21810  Clarkia concinna L. D. Gottlieb 1987-8-1 8740 Napa Hwy. 128, immediately west of Conn Dam. Comment
  JEPS43619  Clarkia concinna subsp. concinna W. L. Jepson 1904-6-3 2438 Napa St. Helena to Howell Mt. Comment
  RSA262483  Clarkia concinna subsp. concinna Barrie Stanfield 1966-5-22 51 Napa ca. 5 miles south of Wooden Valley Comment
  CAS-BOT-BC164534  Clarkia gracilis subsp. albicaulis Peter H. Raven 1952-6-28 4210 Napa Chiles Valley 243 Comment
  RSA155889  Clarkia gracilis subsp. albicaulis Peter H. Raven 1962-5-31 17920 Napa Lower Lake; Knoxville Road, 1.9 miles south of Lake Co. line Comment
Read comments
Jul 17 2015
  JEPS43693  Clarkia gracilis subsp. gracilis Joseph P. Tracy 1933-6-2 12490 Napa 5 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain 457 Comment
  POM32044  Clarkia gracilis subsp. gracilis Katherine Brandegee 1909-6-1 s.n. Napa Pope Valley Grade. Comment
  JEPS13167 Image available Clarkia gracilis subsp. gracilis W. L. Jepson 1894-5-1 13339 Napa mouth Conn Valley; Napa River Basin; Conn Valley, Napa River Basin Comment
  JEPS120373  Clarkia gracilis subsp. sonomensis Jake Ruygt 1998-6-13 4025 Napa Redwood Road at Mt. Veeder Road. Napa 7.5' Quad. Comment
  UCD81825  Clarkia gracilis subsp. sonomensis Ellen Dean 2009-4-24 5452 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  POM38631  Clarkia gracilis subsp. sonomensis Katherine Brandegee 1910-5-22 120 Napa Mountain slopes from Calistoga, to the Toll House Comment
  CAS-BOT-BC163828  Clarkia purpurea subsp. quadrivulnera M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  JEPS110733  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1985-5-11 1592 Napa SE of corner of Butt's Canyon Rd. and Snell Valley Rd. 237 Comment
  JEPS1952 Image available Clarkia purpurea subsp. quadrivulnera W. L. Jepson 1904-6-3 2441 Napa Howell Mt. Comment
  UC142974  Clarkia purpurea subsp. quadrivulnera Katharine Brandegee July 1910 Napa near Angwin Comment
  CAS-BOT-BC163690  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1951-6-10 2899 Napa Calistoga-[Hanly's] Hanley's, Toll Rd., Mt. St. Helena 182 Comment
  RSA92804  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1951-5-20 2841 Napa Hills west of Oakville 122 Comment
  UCD15612  Clarkia unguiculata Lisa Montany 1985-6-1 30 Napa Highway 128, 3 miles west of Monticello Dam. 213 Comment
  CAS-BOT-BC439132  Claytonia exigua subsp. exigua John Thomas Howell 1926-3-21 1727 A Napa St. Helena Creek below Patten's Comment
  JEPS112618  Claytonia exigua subsp. exigua Jake Ruygt 1998-6-15 4032 Napa Mt. St. Helena, below SW peak. 1127 Comment
  UC402908  Claytonia exigua subsp. exigua Mrs. H. P. Bracelin 1930-3-23 Napa 1.5 mi se Mt. St. Helena Inn (flanks of Mt. St. Helena); Mt. St. Helena Comment
  CAS-BOT-BC439373  Claytonia gypsophiloides Rimo Bacigalupi 1926-3-28 1269 Napa Patton's Toll House along old road, Mt. St. Helena Comment
  UC634938  Claytonia gypsophiloides A. E. Borell 1928-4-13 151 Napa 10 mi nw Calistoga Comment
  CAS-BOT-BC439377  Claytonia gypsophiloides K. L. Chambers 1978-3-20 4438 Napa Hwy. 128 N of Calistoga, ca. 100 yds. E of Sonoma Co. line (2.5 mi. N of junction with Tubbs Lane Cutoff). Comment
  POM161337  Claytonia gypsophiloides Rimo C. Bacigalupi 1926-3-28 1269 Napa Patton s Toll House along old road. Comment
  UC634937  Claytonia gypsophiloides H. L. Mason 1926-3-3 2716 Napa Mt. St. Helena Comment
  CAS-BOT-BC233837  Claytonia parviflora subsp. parviflora Peter H. Raven 1953-4-2 5253 Napa Hills e. of Imola 121 Comment
  UCD49144  Claytonia parviflora subsp. parviflora Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 7 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, W side of South Decker Canyon Rd., N of jct with Cut-Off Rd., in drainage near dilapidated buildings. 152 Comment
  JEPS43334  Claytonia parviflora subsp. parviflora V. E. Ferguson 1920-4 320 Napa St. Helena and Carmel trips Comment
  SEINET9353890  Claytonia perfoliata Unknown 1977-4-16 7 Napa Napa County Comment
  UCD13129  Claytonia perfoliata Etienne Oleksiewicz 1981-4-18 6 Napa on Knoxville Rd., 8.9 miles north of Pope Canyon Rd., north facing slope. Comment
  UCD67948  Clematis lasiantha A. Bennett 1977-4-17 13 Napa Hwy. 128, 4.6 mi. w. of Monticello Dam. Growing on N. side of road in mixed chaparral. Liana on scrub oak. Extensive with last year's growth woody. Yellow flowers. Comment
  UCD95604  Clematis lasiantha Beecher Crampton 1954-5-18 1918 Napa 10 miles southwest of Monticello, along highway 128. Comment
  UCR146179  Clematis lasiantha Beecher Crampton 1954-5-18 1918 Napa Vaca Mountains, 10 minutes southwest of Monticello, along Highway 128 274 Comment
  CAS-BOT-BC92683  Clematis ligusticifolia Mrs. E. C. Sutliffe 1921-9-5 s.n. Napa Oakville. Comment
  UCD95591  Clematis ligusticifolia H. Popenoe 1949-6-4 32 Napa 11.5 miles from Winters on road to Monticello. Comment
  JEPS7321  Collinsia heterophylla Rachel Wilcox 1944-5-9 Napa Conn Valley Comment
  UCD18158  Collinsia heterophylla Eva Bayon; with Plant Biology 102 class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  CAS-BOT-BC474519  Collinsia sparsiflora G. F. Hrusa; R. Cole; D. Anderson 1995-3-26 12029 Napa Quail Ridge Reserve, at entrance gate 290 Comment
  UCR106840  Collinsia sparsiflora Craig Homan 1977-4-8 6 Napa 32 miles west of Winters along Berryessa Knoxville Road 152 Comment
  UCD20036  Collinsia sparsiflora C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1202 Napa Mount Saint Helena, in area where J. M. Tucker hybridized Quercus. Comment
  CHSC10676  Collinsia sparsiflora var. arvensis Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 243 Comment
  JEPS6322  Collinsia sparsiflora var. arvensis Willis L. Jepson 1893-4-26 21334 Napa Yountville, La Lomita Yountville; Napa River Basin Comment
  RSA10659  Collinsia sparsiflora var. arvensis Carl B. Wolf 1928-5-3 1830 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  UC1746032  Collinsia sparsiflora var. sparsiflora Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2765 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UC885508  Collinsia sparsiflora var. sparsiflora Alice Eastwood 1922-5-5 11290 Napa Mount St. Helena Comment
  UCD18045  Collinsia sparsiflora var. sparsiflora Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 596 Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  UCD49281  Collinsia sparsiflora var. sparsiflora A. Van Houtte; E. Leger and C. Hohn 2001-4-14 8 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam, W side of S. Decker Canyon Rd., along NW rim of stock pond in Decker Canyon, W and upslope of ruined cabins. 152 Comment
  UC903160  Collinsia sparsiflora var. sparsiflora Ethel Crum 1937-4-19 1782 Napa 15 mi ne of Napa (Napa Range, Steel Canyon); Napa Range, Steel Canyon Comment
  UCD123669  Collinsia sparsiflora var. sparsiflora M. N. Artist 1965-3-15 17 Napa dirt road just north side of State Highway 128, just east of Markley Cove at Lake Berryessa. Comment
  JEPS112526  Collinsia tinctoria Jake Ruygt 1978-5-14 312 Napa .6 mile north of Oakville Cross Rd. on Silverado Trail 121 Comment
  JEPS25047  Collinsia tinctoria J. P. Tracy 1899-7-3 363 Napa 3-4 mi e Anqwin's (head of Moore's Creek, Howell Mtn); Howell Mtn, head of Moore's Creek 518 Comment
  RSA304647  Collomia diversifolia D. H. Wilken 1973-5-6 11924 Napa Along Copell Creek, 4 miles N of Moskowite Corner, E of Red Mountain 305 Comment
  UCD18066  Collomia diversifolia Ellen Dean; with Plant Biology 102 class 2000-4-22 621 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  JEPS110956  Collomia heterophylla Jake Ruygt 1982-5-26 1292 Napa Mt. St. Helena 731 Comment
  UCD112237  Collomia heterophylla Christopher Mallek 2008-5-12 AS2- 7 Napa Aetna Springs. 668 Comment
  UCD118178  Collomia heterophylla K. Esau 1935-5-5 s.n. Napa Near Petrified Forest, Calistoga. Comment
  CAS-BOT-BC286035  Conyza canadensis Peter H. Raven 1951-8-19 3849 Napa Near Lokoya 487 Comment
  JEPS62604  Cordylanthus pilosus subsp. pilosus T. I. Chuang with Fei-Mei Chuang 1970-8-25 6841 Napa 1 mi nw St. Helena (on US Hwy 29) Comment
  RSA537658  Cordylanthus pilosus subsp. pilosus T. I. Chuang, F. M. Chuang, Carl Chuang 1972-7-22 7073 Napa 2 mi. N. of St. Helena. Comment
  SD131925  Cordylanthus pilosus subsp. pilosus Rimo Bacigalupi, C. L. Custer, G. T. Robbins 1954-8-9 4750 Napa grade over shoulder of Mt. St. Helena, road from Calistoga to Middletown, near Hanley's Resort Comment
  JEPS55936  Cordylanthus pringlei T. I. Chuang and F. M. Chuang 1968-7-24 6483 Napa 10.9 mi n of Calistoga (on Lake and Napa County Line); Lake and Napa County Line Comment
  SD133728  Cordylanthus pringlei T. I. Chuang, Fei-Mei Chuang 1970-7-25 6831 Napa 0.9 mile north of Napa and lake county line, on US Highway 29 Comment
  RSA603173  Cornus glabrata Joseph A. Ewan 1934-4-30 8849 Napa Steel Canyon 8 mi. S of Monticello. Comment
  UC1198823  Crassula aquatica Joseph P. Tracy 1902-5-21 1609 Napa 3 - 4 mi. e. Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mt. 518 Comment
  UCD19947  Crassula connata E. A. Dean; Virginia Boucher 2002-2-28 903 Napa Quail Ridge Reserve. Along upper trail, leading out north of stock pond near Quail Ridge tip; 0.2 airline miles NE of junction with West Rd. 320 Comment
  OBI49310  Crocanthemum scoparium Joseph Andorfer Ewan 1934-4-30 8825 Napa Sarco crk, 4 mi above Napa Comment
  CHSC102518  Croton setiger Lowell Ahart 2009-10-12 16438 Napa Below the high water line on Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCD19325  Croton setiger M. A. Bibbo; E. Dean 2001-7-6 17 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, where W and E roads meet near point of Quail Ridge. S of powerline on N edge of water hole downslope of the road. 320 Comment
  JEPS122997  Crypsis schoenoides Jake Ruygt 1986-6-21 1829 Napa East end of Suscol Road, under the Southern Crossing. Quad: Cuttings Wharf. Comment
  RSA757948  Crypsis schoenoides Barbara Ertter, Elizabeth Neese 1988-10-2 7958 Napa Lake Hennessey about 15 air miles north-northwest of Napa, on Conn Creek in North Coast Ranges. South side of Route 128 across from spillway, roadside near seepage. 91 Comment
  UCD37518  Crypsis schoenoides Beecher Crampton 1954-10-26 2300 Napa 4 miles east of Rutherford, Conn Reservoir. Comment
  UCD59944  Crypsis schoenoides Beecher Crampton 1963-9-19 6898 Napa North end of Capell Valley, above Capell Creek, State Hwy. 128. Comment
  RSA0094670  Cryptantha clevelandii Barbara Ertter, Annetta Carter 1989-5-28 8510 Napa Near Knoxville 2 miles SE of Lake Co. line on Berryessa Rd. 610 Comment
  SBBG117229  Cryptantha clevelandii B. Crampton 1954-5-20 1929 Napa 8 mi SW of Monticello, along Hwy 128 Comment
  JEPS106757  Cryptantha flaccida Jake Ruygt 1986-4-12 1692 Napa Devil's Canyon 533 Comment
  UCD148934  Cryptantha flaccida Ellen Dean; Diana Hickson 2014-4-29 8146 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  UCD149660  Cryptantha flaccida Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  JEPS100375  Cryptantha hispidula Dean W. Taylor 2001-5-15 17651 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  JEPS100842  Cryptantha hispidula Dean Wm. Taylor with Mey Akasah 1999-6-4 17218 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  RSA127499  Cryptantha hispidula M. S. Baker 1938-4-29 8939 Napa Serpentine along road from Monticello east of Pope Valley. Comment
  UC998323  Cryptantha hispidula Milo S. Baker 1938-4-29 8939 Napa e of Pope Valley (along road from Monticello) Comment
  HSC81994  Cryptantha hispidula Thomas W. Nelson, Jane P. Nelson 1980-5-3 5160 Napa Junction of Butts Canyon Rd. and Snell Valley Rd. 197 Comment
  JEPS39791  Cupressus macnabiana W. L. Jepson 1897-7-12 21291 Napa near Samuel's Springs; Pope Creek Comment
  RSA96667  Cupressus macnabiana Percy C. Everett, E. K. Balls 1954-10-19 20371 Napa 3.9 miles NW of Knoxville on road to Lower Lake. 610 Comment
  CAS-BOT-BC85482  Cupressus sargentii John Thomas Howell 1965-5-27 41324 Napa Along creek in Butts Canyon Comment
  CAS-BOT-BC85489  Cupressus sargentii Howard E[a]rnest McMinn 1922-7-1 276 Napa Pope Canyon, between Monticello and Pope Valley P.O. Comment
  CHSC34822  Cupressus sargentii M. S. Taylor; E. Pierce 1981-5-17 3756 Napa Calistoga Pass, both sides of Hwy 29, ca. 1 mi s of Lake county line. Comment
  RSA129445  Cupressus sargentii A. E. Wieslander 1934-2-25 371 Napa Calistoga - Middletown: 3 miles east of Mt. St. Helena 610 Comment
  RSA352387  Cupressus sargentii C. B. Wolf, E. R. Johnson 1934-10-16 6193 Napa Above Aetna Springs about 0.5 mile southwest of Quicksilver Mine 457 Comment
  CAS-BOT-BC85481  Cupressus sargentii Peter Hamilton Raven 1951-5-26 2888 Napa Butts Canyon [Canon] Comment
  RSA995  Cupressus sargentii J. T. Howell 1927-8-24 690 Napa Butts Valley, Napa Range Comment
  SEINET10932814  Cupressus sargentii Carl B. Wolf, E. R. Johnson 1934-10-17 Wolf 2152 Napa On Middletown-Calistoga Road, 90 m south of Lake County line. 455 Comment
  UCD147461  Cuscuta Ellen Dean; Diana Hickson 2014-4-29 8074 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD170284  Cuscuta Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 824 Napa Knoxville Wildlife Area, north of Nevada Creek. 461 Comment
  JEPS129107  Cuscuta subinclusa Jake Ruygt 2015-6-20 6141 Napa Butts Canyon Road south of Snell Valley Road. Aetna Springs 7.5' Quad. Comment
  UC127129  Cuscuta subinclusa Harley P. Chandler Sep 7 1906-Sep 14 1906 7123 Napa Alta Loma Ranch Howell Mountain 487 Comment
  JEPS43036  Cuscuta subinclusa W. L. Jepson 1939-9-12 19480 Napa w of St. Helena; Spring Mountain, York Creek Comment
  JEPS47143  Cuscuta subinclusa W. L. Jepson 1894-11-5 70 b Napa Rural Health Retreat Napa Valley, St. Helena Comment
  RSA195286  Cynoglossum grande Gilbert Muth 1967-4-19 603 Napa Aetna Springs Road. 305 Comment
  UCD119166  Cynoglossum grande G. F. Hrusa; G. L. Stebbins 1995-3-11 11596 Napa Las Posadas State Forest, immediately E of Fire Station, in upper drainage of Moore Creek. 500 Comment
  UCD158906  Cynoglossum grande G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Comment
  UCD19926  Cyperus eragrostis E. A. Dean; J. Bradford, K. Mawdsley, and L. Wynholds 2001-7-13 781 Napa Quail Ridge Reserve. Decker Bay trail. 137 Comment
  CDA29763  Cyperus erythrorhizos M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 218 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). 0 Comment
  JEPS115959  Cyperus erythrorhizos Lowell Ahart 2009-10-12 16458 Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Win 133 Comment
  RSA92354  Cyperus erythrorhizos Beecher Crampton 1954-10-26 2299 Napa Conn Reservoir, 4 miles east of Rutherford Comment
  UC1133517  Cyperus niger Beryl Schreiber 1938-9-25 2550 Napa Putah Creek Canyon, North Ranch Capay Quad., Putah Creek Canyon, North Ranch Comment
  JEPS121341  Cyperus niger Jake Ruygt 1986-7-29 1889 Napa Milliken Drive, Silverado Country Club. Comment
  UCD161533  Cyperus niger Jake Ruygt 1991-7-26 2800 Napa road from Johnson's Meadow to Wooden Valley Wild Horse Valley Ranch. 207 Comment
  CAS-BOT-BC70646  Cystopteris fragilis Evelina Cannon 1901-7-15 s.n. Napa Johannisberg, Mt. Veeder Comment
  HSC980  Cystopteris fragilis C. B. Wolf 1928-5-3 1842 Napa At the summit of the Mt. St. Helena Grade Comment
  JEPS110931  Damasonium californicum Jake Ruygt 1982-6-13 1321 Napa Pope Canyon Rd. , (vernal pond) 185 Comment
  UCD127387  Daucus carota K. Esau; D. Hartmann 1941-7-17 s.n. Napa Between Middletown and Calistoga. Comment
  UCD127396  Daucus carota R. Tofsrud 1948-6-15 s.n. Napa Exact location unknown. Comment
  JEPS129031  Daucus pusillus Jake Ruygt 2016-5-21 6259 Napa Wantrup Wildlife Preserver, Hardin Road. Santa Helena 7.5' Quad. Comment
  UCD161638  Daucus pusillus Jake Ruygt 2005-5-9 4823 Napa Knoxville Wildlife Area, west side of Berryessa-Knoxville Road. (Coordinates converted from UTM data by label maker.) 429 Comment
  UCD47830  Daucus pusillus A. Haselby; M. Carson, S. Howard, and P. Mayers 2000-4-29 6 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 Comment
  UCD48429  Daucus pusillus Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 4 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Found downslope of West Road ca. 0.45 'as the crow flies' miles (2400 ft.) NW of jct. with S. Decker Canyon Rd. 228 Comment
  JEPS126255  Deinandra corymbosa Devin Jokerst with Sarah Lynch 2016-5-25 Napa American Canyon. The undeveloped property is located west of Highway 29 and north of Green Island Road. Comment
  UCD18168  Delphinium hesperium Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  UCD170304  Delphinium hesperium subsp. hesperium Daniel Potter; N Khuu, A Holland, J Poore, C Adlam 2016-3-19 844 Napa Knoxville Wildlife Area, southern portion, east of Berryessa-Knoxville Road. 231 Comment
  RSA149644  Delphinium hesperium subsp. pallescens Harlan Lewis 1941-5-9 s.n. Napa 13.4 miles N of Monticello, Napa County. Comment
  RSA787108  Delphinium nudicaule Keith E. Hoffmaster 1946-3-23 1222 -b Napa Napa range, along Napa-Monticello road. Comment
  UCD102766  Delphinium nudicaule Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-22 s.n. Napa Berryessa-Knoxville Road. Between Moskowite Corner and Spanish Flat. 200 Comment
  UCD20920  Delphinium patens V. (Shorty) Boucher 2002-4-11 11 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd, just south of 'Susan's Road.' About 1000 airline ft SW of locality for Dean 898 - Saxifraga californica (coordinates are for that locality). 274 Comment
  RSA155420  Delphinium patens L. S. Rose 1961-3-30 61026 Napa 1 mile N of Conn Reservoir, Lake Henessy. 152 Comment
  UCD32413  Delphinium patens Beecher Crampton 1950-5-7 568 Napa Napa County, east side of Napa Valley, along Silverado Trail, along roadside entering southern portion of Conn Valley. 68 Comment
  JEPS110981  Delphinium uliginosum Jake Ruygt 1978-5-21 331 Napa 6.3 miles north of Sage Canyon Rd. on Chiles and Pope V. Rd 237 Comment
  LA207609  Delphinium uliginosum J. Ewan; 1937-5-23 10360 Napa Lower Lake to Monticello road, 1.9 mi. S of Lake Co. line Comment
  RSA59956  Delphinium uliginosum Joseph A. Ewan 1937-5-23 10360 Napa Lower Lake to Monticello Road, 1.9 miles S of Lake Co. Comment
  UC906476  Delphinium uliginosum J. Ewan 1937-5-23 10360 Napa Lower Lake to Monticello road 1.9 mi s Lake Co. line Comment
  UCD63750  Delphinium uliginosum Daniel. Sanchez-Mata; Emin Ugurlu 2006-6-23 s.n. Napa Knoxville. Knoxville Devilhead Road. Cedar Valley. Cedar Creek. UC MacLaughlin Natural Reserve. BLM area. 500 Comment
  SEINET7041066  Delphinium uliginosum Christopher T. Ivey 2002-5-17 357 Napa West side of Chiles-Pope Valley Road, 4.2 miles south of Pope Canyon Road. Comment
  CAS-BOT-BC7912  Delphinium variegatum Peter H. Raven 1953-5-2 5381 Napa Hills due E of Yountville 243 Comment
  UCD147535  Delphinium variegatum Ellen Dean; Diana Hickson 2014-4-29 8089 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  CAS-BOT-BC7910  Delphinium variegatum Joseph Prince Tracy 1902-5-20 1566 Napa Lower slopes of Howell Mt. near St. Helena 304 Comment
  JEPS110994  Delphinium variegatum subsp. variegatum Jake Ruygt 1979-4-1 471 Napa Cup and Saucer 121 Comment
  POM182731  Delphinium variegatum subsp. variegatum D. D. Keck 1931-4-2 1054 Napa 4 miles S of Monticello, eastern Napa County. Comment
  SD44515  Delphinium variegatum subsp. variegatum Mildred E. Mathias 1938-4-24 1334 Napa East side of Mount St. Helena; moist grassy slopes above road. 456 Comment
  UC638502  Delphinium variegatum subsp. variegatum Mildred Mathias 1938-4-24 1334 Napa slopes above road on e side of mt. Mount St. Helena 457 Comment
  CAS-BOT-BC655  Dendromecon rigida subsp. rigida Elmer Ivan Applegate 1934-3-31 8866 Napa Putah Creek region, Mayacama mountains, south of Cobb Mt. Comment
  CAS-BOT-BC661  Dendromecon rigida subsp. rigida Alice Eastwood 1918-5-1 6860 Napa Mt. St. Helena Comment
  POM126101  Deschampsia cespitosa Joseph P. Tracy 1902-5-18 1543 Napa Head of Moore's Creek 518 Comment
  SEINET200650 Image available Deschampsia cespitosa J. P. Tracy 1902-5-18 1543 Napa Howell Mountain head of Moore's Creek 3-4 miles east of Angwin's 518 Comment
  JEPS45808  Deschampsia cespitosa subsp. cespitosa Eleanor Armstrong 1932-5-29 178 Napa 3 mi. n.w. of Calistoga (Mt. St. Helena); Mt. St. Helena 243 Comment
  POM365009  Deschampsia cespitosa subsp. cespitosa P. H. Raven 1965-5-15 20210 Napa Cedar Valley, vicinity of Knoxville. 61 Comment
  SBBG89094  Deschampsia cespitosa subsp. cespitosa L. F. LaPre 1986-5-6 Napa Cedar Crk, 3.5 mi SW of Knoxville and ca. 0.5 air mi W of Devilhead Rd 548 Comment
  UCD170464  Deschampsia cespitosa subsp. cespitosa Daniel Potter; Ninh Khuu 2016-6-18 893 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 433 Comment
  SEINET200647 Image available Deschampsia danthonioides J. P. Tracy 1902-5-21 1605 Napa Head of Moore's Creek 3-4 Miles East of Angwin's. 335 Comment
  UC1158115  Deschampsia danthonioides Joseph P. Tracy 1950-5-23 18672 Napa 3 - 4 mi. e. Angwin's (on hills at head of Moore's Creek, Howell Mt.); Northern Coast Ranges, La Jota Plateau, Howell Mt., Moore's 518 Comment
  UCD160764  Deschampsia danthonioides Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8634 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. 594 Comment
  UC187276  Deschampsia elongata J. P. Tracy 1902-5-19 1552 1/2 Napa 3 - 4 mi. e. Angwin's (Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 518 Comment
  UCD63727  Deschampsia elongata E. Wilson 1934-8-1 Napa Mt. St. Helena. Comment
  CAS-BOT-BC499422  Dichelostemma capitatum H. C. Cantelow 1939-4-8 3923 Napa 2.5 mi. n. w. of Knoxville Comment
  JEPS64147  Dichelostemma capitatum W. L. Jepson 1938-5-18 18799 Napa slope above St. Helena Sanitarium; Howell Mountain Comment
  UCD139189  Dichelostemma capitatum subsp. capitatum J. D. Clark 1995-5-27 18 Napa Napa County. Collected on trail between 1/4-3/4 mile from trailhead at Highway 129. Trailhead begins on the E side of Highway 129 across from the Robert Lewis Stevenson State Park parking lot. 548 Comment
  UCD139209  Dichelostemma capitatum subsp. capitatum Bill Wengeler 1995-4-16 s.n. Napa 0.2 mile west of Monticello Dam along Hwy 128. 158 Comment
  UCD16051  Dichelostemma capitatum subsp. capitatum C. L. Hallock; C. Kennedy, L Condon, N. Strahan, R. Flannery 2000-4-22 7 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along W-side of Devilhead Rd. 38 deg. 49' 11.2' N, 122 deg. 21' 11.7' W; 480m. Serpentine chaparral, burned in Oct. 1999. Herb, 1.5-3 dm tall, flowers purple/blue. Comment
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  UCD148738  Dichelostemma congestum Jake Ruygt 2005-6-7 4908 c Napa Napa County; ridge top west of Circle Oaks. 588 Comment
  UCD149042  Dichelostemma congestum Ellen Dean; S. P. Rae and T. Starbuck 2014-5-11 8188 Napa Arbuckle Winery property at 3454 Redwood Rd on the outskirts of Napa in the Mayacamas Mountains. 137 Comment
  SEINET8476739  Dichelostemma ida-maia M. Ackley 1968-5-12 1149 Napa Napa Valley. Comment
  SEINET3885705  Dichelostemma pulchellum Linda Dodge 1974-4-13 10 Napa Wallace Hardin Ranch, 3.9 miles northeast of junction of Pope Canyon Road and Chiles Valley Road.; 0 183 Comment
  JEPS110905  Dichelostemma volubile Jake Ruygt 1992-5-15 2963 Napa in the vale east of Johnson's Meadow 457 Comment
  UCD139265  Dichelostemma volubile Rolf Y. Berg 1963-6-1 s.n. Napa south side of Lake Berryessa, ca. 4 miles west of Monticello Dam, State Highway 128. Comment
  CAS-BOT-BC150362  Diplacus aurantiacus John H. Thomas 1955-5-21 5099 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  SEINET13769181 Image available Diplacus aurantiacus J. W. Riekels 1961-1 40 Napa State highway 128, 2 miles southwest of Monticello Dam Comment
  CAS-BOT-BC152183  Diplacus bolanderi Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5336 Napa Pope Creek e. of Samuels Springs 91 Comment
  CAS-BOT-BC153276  Diplacus kelloggii Alice Eastwood 1915-6-6 4662 Napa Mt. St. Helena Comment
  CAS-BOT-BC153275  Diplacus kelloggii Alice Eastwood 1915-6-5 4613 Napa Petrified Forest Comment
  CAS-BOT-BC153413  Diplacus layneae R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6681 Napa Butt's Canyon 10 mi. from Howell Mt. Comment
  SBBG28903  Diplacus layneae M. S. Baker 1947-7-7 11849 Napa St. Helena Range, ca. 1.5 mi S along Wood Rd from Mt St. Helena Inn 914 Comment
  JEPS126108  Dipsacus sativus Jake Ruygt 1992-7-14 3094 Napa Yountville Ecological Reserve, Yountville Cross Road, Napa River. Yountville 7.5' Qua. Comment
  UC3565  Disporum hookeri Willis L. Jepson 1894-5-1 Napa Napa River Basin, Rebecca Ranch Grade Napa River Basin; , Rebecca Ranch Grade Comment
  SBBG115721  Distichlis spicata B. Crampton 1962-5-8 6412 Napa ca. 2 mi N of Calistoga, Myrtledale Hot Springs Comment
  UCD37940  Distichlis spicata Beecher Crampton 1962-5-8 6412 Napa Napa County, 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  RSA15626  Dodecatheon hendersonii Carl B. Wolf 1928-2-25 1480 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  UCD118964  Dodecatheon hendersonii M. Sidells 1996-4-20 10 Napa Along trail running along southwest side of Lake Berryessa, 100m from Knoxville Rd. 250 Comment
  CHSC59583  Dodecatheon hendersonii Scott Bingham 1975-5-11 83 Napa At top of grade 4.5 miles east of Toll House. 120 Comment
  RSA31641  Dodecatheon hendersonii A. A. Heller 1929-3-16 s.n. Napa Grade near foot of Mt. St. Helena. Comment
  JEPS103656  Downingia bicornuta var. bicornuta Lisa Schultheis 1995-5-31 193 -95 Napa Corner of Pope Valley Cross Road and Chiles-Pope Valley Road Comment
  JEPS106561  Downingia bicornuta var. bicornuta Jake Ruygt 1993-5-1 3244 Napa Pope Canyon Rd at large vernal pond 187 Comment
  UCD75838  Downingia bicornuta var. bicornuta Jake Ruygt 1983-5-29 1463 Napa 1.7 miles west of Walter Springs bridge on Pope Canyon Rd. 185 Comment
  POM299293  Downingia concolor var. concolor Lester Rowntree 1938-5-16 s.n. Napa Atlas Peak Rd, from Napa. Comment
  JEPS126075  Downingia cuspidata Jake Ruygt 1978-5-14 307 Napa 0.3 miles south of Oak Knoll Ave. on Silverado Trail. Napa 7.5' Quad. Comment
  UC1188751  Downingia pusilla John H. Weiler 1960-4-22 60103 Napa 2.1 mi s Napa State Hospital entrance (at the side of State Highway 29) Comment
  CAS-BOT-BC157777  Drymocallis glandulosa var. glandulosa Peter H. Raven 1950-4-15 1764 Napa Wooden Valley Grade above Napa 457 Comment
  CAS-BOT-BC70945  Dryopteris arguta Peter H. Raven 1954-1-22 6381 Napa Sulphur Springs Resort, west of St. Helena 121 Comment
  CAS-BOT-BC70946  Dryopteris arguta 1899-7-1 s.n. Napa Mt. St. Helena Comment
  RSA137332  Dryopteris arguta I. L. Wiggins 1957-6-18 14121 Napa Jst north of Calistoga Comment
  UCD101886  Dudleya cymosa Michael Fleschner 1965-5-13 13 - Napa next to Zim Zam Creek near Cedar Valley, west of Berryessa Knoxville Road, north of Lake Berryessa. Comment
  CAS-BOT-BC428155  Dudleya cymosa subsp. cymosa John Thomas Howell 1929-5-30 4281 Napa Sage Canon [Canyon], Napa Range Comment
  CAS-BOT-BC428156  Dudleya cymosa subsp. cymosa Alice Eastwood 1930-4-1 s.n. Napa In canon on way to Pope Valley Comment
  UCD101897  Dudleya cymosa subsp. pumila Bill Wengeler 1995-4-30 s.n. Napa 0.2 mile N of Hwy 128 along Knoxville Road. 183 Comment
  UC1222177  Echinodorus berteroi Joseph P. Tracy 1950-8-12 19305 Napa Conn Valley Reservoir Comment
  JEPS121358  Eleocharis acicularis var. acicularis Jake Ruygt 1984-5-1 1534 Napa Suscol Hill east of Hwy 29 (221); SE of Rocktram Comment
  UCD161293  Eleocharis palustris Jake Ruygt 1978-5-15 316 Napa east end of Cunard Street, Napa. (Note from label maker: township/range given conflicts with street directions. Georeferenced according to street name). 6 Comment
  CAS-BOT-BC112661  Eleocharis parvula Peter H. Raven 1953-10-4 6367 Napa Tidal wash, Duttons Landing. 0 Comment
  CAS-BOT-BC112222  Eleocharis rostellata Peter H. Raven 1957-5-5 10753 Napa Near hot springs runoff, Calistoga 91 Comment
  CAS-BOT-BC203833  Elymus X hansenii Peter H. Raven 1952-6-28 4206 Napa Conn Valley 137 Comment
  SACT001058  Elymus canadensis M. Wiesendanger 1927-5-4 Napa Comment
  HSC9721  Elymus glaucus C. B. Wolf 1928-5-3 1794 Napa 5 mi. N of Calistoga, on the Mt. St. Helena Grade. Comment
  CAS-BOT-BC203592  Elymus glaucus subsp. glaucus Doris K. Kildale 1928-5-8 5046 Napa 3 miles west of Vacaville Comment
  JEPS75677  Elymus glaucus subsp. jepsonii W. L. Jepson 1936-5-28 17542 Napa Howell Mt., Adam-and-Eve Ridge Comment
  UCD170450  Elymus ponticus Daniel Potter; Ninh Khuu 2016-6-8 879 Napa Knoxville Wildlife Area, flat grassy area just east of Berryessa-Knoxville Road, just south of barn. 235 Comment
  UCD167092  Elymus trachycaulus subsp. trachycaulus Jake Ruygt 2015-7-4 6145 Napa Missimer - Snell Valley Preserve. 180 Comment
  UCD48052  Emmenanthe penduliflora B. Takahashi; S. Burgess, A. Hufton, J. Pierner, A. Ryan 2000-4-29 5 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow the flies) N of the old town of Knoxville. 609 Comment
  UC127472  Epilobium brachycarpum Harley P. Chandler Sep 7 1906-Sep 14 1906 7121 Napa Alta Loma Ranch Howell Mountain 487 Comment
  JEPS110701  Epilobium campestre Jake Ruygt 1986-6-21 1830 Napa west end of Soscol Rd. below Southern Crossing HWY 29 4 Comment
  UCD164739  Epilobium campestre Jake Ruygt 2014-7-7 6022 Napa Pope Canyon Road at large vernal marsh. 187 Comment
  UCD167252  Epilobium ciliatum subsp. ciliatum Jake Ruygt 1978-7-10 385 Napa 2465 Redwood Road, Napa. 30 Comment
  UCD106508  Epilobium minutum Wayne Stoner 1978-4-22 6 Napa West end of Capell Valley. 300 Comment
  UCD106515  Epilobium minutum G. F. Hrusa 1995-4-2 12045 Napa North Coast Biodiversity Arena. Alongside Highway 128. 200 Comment
  UCD106906  Epilobium torreyi K. Esau; D. Hartmann 1941-7-17 s.n. Napa Near Middletown. Comment
  JEPS120437  Epipactis gigantea Jake Ruygt 1980-5-21 896 Napa 4.2 miles north of Monticello Rd. on HWY 128. Comment
  UC1196439  Epipactis gigantea J. P. Tracy 1899-7-2 452 Napa Canyon of Moore's Creek Howell Mountain 335 Comment
  CAS-BOT-BC58023  Equisetum Elsa G. Ruckert 1960-3-26 44 Napa Dry Creek Road, near water tank from spring at the gate. 365 Comment
  CDA34666  Eragrostis hypnoides L. Ahart 2009-10-12 16464 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  SBBG128692  Eragrostis hypnoides L. Ahart 2009-10-12 16464 Napa below the high water line of Lake Berryessa, along Capell Crk E of Rest Area, 3/4 mi NE of Hwy 128 on Berryessa Knoxville Rd, 3/4 mi SW of Capell Cove Launch Ramp on Berryessa Knoxville Rd, ca. 19 mi (air) W of Winters 133 Comment
  UCD164817  Eragrostis hypnoides Jake Ruygt 2012-9-15 5880 Napa Putah Creek south of Berryessa Estates 131 Comment
  JEPS7802  Ericameria arborescens Peter H. Raven 1951-8-20 3857 Napa near Lokoya 548 Comment
  JEPS120425  Erigeron biolettii Jake Ruygt 2010-6-19 5610 f Napa End of Cedar Creek / Pocock Creek Rd. Comment
  JEPS106942  Erigeron greenei Jake Ruygt 1997-7-5 3873 Napa Sugarloaf Peak, west of Spanish Flat. 574 Comment
  UCD132044  Erigeron philadelphicus var. philadelphicus M. Wiesendanger 1926-4-1 1497 Napa Exact location unknown. Comment
  UCD63172  Erigeron reductus var. angustatus Jake Ruygt 2007-7-1 5247 Napa West of Hwy 29, near Lake County line. 464 Comment
  UCD145264  Eriodictyon californicum Daphne K. Christopher; Hannah Stevens, Mark Bibbo 2003-4-13 161 Napa UC Davis, Stebbins Cold Canyon Reserve. Near main trailhead. 160 Comment
  UCD159950  Eriodictyon californicum Alice Warrick 2008-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD73429  Eriodictyon californicum Ayzik Solomeshch; Stephen Rae 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UC623311  Eriogonum compositum var. compositum H. L. Mason 1939-5-18 12101 Napa near St. Helena (near summit of Spring Mountain Grade); Spring Mountain Grade Comment
  CAS-BOT-BC242612  Eriogonum dasyanthemum John Thomas Howell 1933-8-27 11652 Napa Chiles Valley, Napa Range Comment
  JEPS120423  Eriogonum dasyanthemum Jake Ruygt 2010-8-24 5762 Napa Barton Hill, northwest shore of Lake Berryessa. Comment
  UCD99888  Eriogonum dasyanthemum D. H. Hartmann 1941-8-19 s.n. Napa Putah Canyon. Comment
  CAS-BOT-BC266064  Eriogonum luteolum Alice Eastwood; John Thomas Howell 1939-6-11 7425 Napa Hood Mt. Range SW of Oakville Comment
  CAS-BOT-BC266054  Eriogonum luteolum Susan G. Stokes 1933-8-27 92 Napa Upper part of Sage Valley, Napa Mountains Comment
  UCD164782  Eriogonum luteolum var. caninum Jake Ruygt 2009-5-22 5414 Napa American Canyon, across road from quarry. 161 Comment
  JEPS110790  Eriogonum luteolum var. luteolum Jake Ruygt 1984-6-23 1572 Napa Hwy 29 near Lake Co. line: Detert Reservoir quad 502 Comment
  JEPS96714  Eriogonum luteolum var. luteolum Dean W. Taylor 1998-5-20 16449 Napa Butts Canyon, serpentine slopes ca. 0.5 mi E of Butts Canyon Rd from a point 0.6 miles up from mouth 335 Comment
  UC1245379  Eriogonum luteolum var. luteolum Joseph P. Tracy 1950-5-23 18683 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain, Moore's Creek 335 Comment
  UC85728  Eriogonum luteolum var. luteolum T. S. Brandegee Aug. 1892 Napa Calistoga Comment
  UC85734  Eriogonum luteolum var. luteolum T. S. Brandegee Aug. 1888 Napa Howell Mountain Comment
  UCD164785  Eriogonum luteolum var. luteolum Jake Ruygt 2000-9-1 Napa Aetna Springs Rd just beyond resort. 259 Comment
  JEPS56166  Eriogonum luteolum var. luteolum W. L. Jepson October, 1894 Napa Napa Co. Comment
  UC534875  Eriogonum nudum var. auriculatum Susan G. Stokes 1933-8-27 87 Napa Sage Valley Napa Mountains, Sage Valley Comment
  POM209879  Eriogonum nudum var. auriculatum S. G. Stokes 1933-8-27 87 Napa Sage Valley, Napa Mountains Comment
  UCD164791  Eriogonum nudum var. nudum Jake Ruygt 2004-9-4 4662 Napa Berryessa-Knoxville Rd at Zim-Zim Creek. 225 Comment
  CAS-BOT-BC271624  Eriogonum nudum var. oblongifolium H. E. McMinn 1922-6-8 201 Napa Pope Canyon Comment
  UCD18120  Eriogonum nudum var. oblongifolium K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 57 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., top of ridge by air quality station. 560 Comment
  UC90304  Eriophyllum confertiflorum var. confertiflorum A. W. Robinson Napa Napa Comment
  HSC67487  Eriophyllum lanatum J. P. Smith, J. O. Sawyer 1970-5-17 3788 Napa 9 mi. N of Pope Valley Comment
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Jun 12 2012
  UCD132169  Eriophyllum lanatum Alan P. Godlewski 1974-5-3 11 Napa west of Lake Berryessa, 50 yards from highway. Comment
  UCD160797  Eriophyllum lanatum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8677 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 470 Comment
  SEINET9291828  Eriophyllum lanatum Unknown 1984-4-28 7 Napa State. Rd 29, about 5 miles NM of Calistoga. Along roadside. Foothill woodland, Quercus sp. and Umbellelaria californica dominants. Perennial herb. 1-8 dm tall. flowers yellow. Rocky, greavelly soil of baaltic parent material UC Davis Herbarium Comment
  CAS-BOT-BC301049  Eriophyllum lanatum var. achilleoides L. R. Abrams 1928-5-4 12284 Napa 4 mi. south of Middletown Comment
  JEPS34500  Eriophyllum lanatum var. achilleoides W. L. Jepson 1938-6-11 19007 Napa Knoxville Knoxville Ridge 731 Comment
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Jun 12 2012
  UC1301026  Eriophyllum lanatum var. achilleoides Helen K. Sharsmith 1963-3-17 5206 Napa south side of Mount Atlas; San Francisco Bay Region, Mount Atlas 609 Comment
  UCD117785  Eriophyllum lanatum var. achilleoides Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 2 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  CAS-BOT-BC301048  Eriophyllum lanatum var. achilleoides Mrs. H. C. Cantelow 1934-5-30 s.n. Napa Mt. St. Helena Comment
  UC164782  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1904-5-23 2102 Napa hills on e side Napa Valley (near Calistoga) 243 Comment
  UCD132199  Eriophyllum lanatum var. achilleoides Heidi E. M. Dobson 1977-6-10 264 Napa above Mt. Veeder Road. Comment
  UC1536864  Eriophyllum lanatum var. arachnoideum G. H. True Jr. 1937-6-21 737 Napa near Lokoya Lodge 365 Comment
  UCSB6525  Eriophyllum lanatum var. arachnoideum Keator, Glenn 1958-6-16 Napa Near the east end of Lake Hennessy, Napa range Comment
  UCD41464  Erodium botrys Ellen Dean; Deborah Canington 2003-3-1 1361 Napa Napa County. Quail Ridge UC Reserve. Southern end of Lake Berryessa, first peninsula west of Monticello Dam. By university gate at sign-in post. 390 Comment
  UCD83407  Erodium botrys Jake Ruygt 1996-3-30 3538 Napa Jameson Vineyards, South Kelly Rd. 54 Comment
  JEPS61368  Erodium brachycarpum W. L. Jepson 1924-4-6 10325 Napa Napa Valley, Conn Creek Conn Creek; Napa Valley, Conn Creek Comment
  RSA92832  Erodium brachycarpum Peter H. Raven 1953-4-2 5231 Napa Imola. Comment
  UC1130305  Erodium cicutarium A. E. Wieslander, H. S. Yates 1934-2-25 370 Napa 3 mi e Calistoga (Calistoga to Middletown); Calistoga Quad. 335 Comment
  UCD170277  Eryngium Daniel Potter; Ninh Khuu, Sarah Dohle, James Shoulders 2015-6-13 811 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 637 Comment
  CAS-BOT-BC474511  Eryngium vaseyi var. castrense Ellen Dean; D. Potter; D. Hickson; R. Ruygt; C. Donkers 2015-5-2 8630 Napa Knoxville Wildlife Area. Calif. Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. NE corner of land parcel. Large vernal pool on border of CDFW and BLM properties 594 Comment
  JEPS106783  Erysimum capitatum var. capitatum Jake Ruygt 1995-4-24 3440 Napa 1.6 mi. south of Lake Hennessey on road to Taylor/ Chapallet 396 Comment
  UCD161237  Erysimum capitatum var. capitatum Jake Ruygt 1989-4-20 2342 Napa Vaca Mountains about 1 mile north of Mt. Vaca. (Coordinates estimated by label maker at UC Davis). 804 Comment
  SEINET14045969  Erythranthe microphylla L. Constance 1938-1 2040 Napa above Wooden Valley 8 mi. ne. of Napa; e. slope of Howell Mountains, North Coast Ranges. 457 Comment
  RSA450311  Erythronium californicum J. C. Roos 1938-4-4 1632 Napa Pacific Union College, Angwin. Comment
  CAS-BOT-BC124173  Erythronium helenae Elmer Ivan Applegate 1932-4-4 7037 Napa Volcanic crater region of Mt. St. Helena, northern Napa County; slope just E of the Palasades on old stage road Comment
  CAS-BOT-BC133290  Erythronium helenae Elmer I. Applegate 1932-3-22 7031 Napa Mt. St. Helena, northern Napa County, just east of the [Palasades] Palisades on old stage road Comment
  CAS-BOT-BC26158  Erythronium helenae Elmer I. Applegate 1932-4-4 7037 Napa Volcanic crater region of Mount St. Helena. Steep northerly slope just east of the Palisades on old stage road. Comment
  CAS-BOT-BC402797  Eschscholzia caespitosa John Thomas Howell 1931-4-3 6127 Napa Pope Creek Canyon, Napa Range 8 miles from Monticello Comment
  CAS-BOT-BC402800  Eschscholzia caespitosa Peter H. Raven 1950-4-15 1737 Napa Wooden Valley Grade above Napa 457 Comment
  JEPS110735  Eschscholzia caespitosa Jake Ruygt 1994-3-15 3314 Napa Chiles Canyon Road about 1 mile from Chiles Valley 350 Comment
  UCD48074  Eschscholzia caespitosa R. Brush; A. Atamian, C. Owens, S. Olmsted, M. Furuyama 2000-4-29 9 Napa Border of Yolo and Napa Counties, McLaughlin Reserve, one as the crow flies mile north of the old town of Knoxville, 300 meters east of old road in a burned area (burned Oct 1999). 640 Comment
  SEINET12104719  Eschscholzia caespitosa I. Anderson 1998-4-28 6 Napa along Hwy 128, 0.5 mi W of Monticello Dam, 100 ft E of highway 152 Comment
  UCD15072  Eschscholzia caespitosa Janet Zwanziger 1977-4-24 25 Napa Along Berryessa-Knoxville Road, 1.6 miles N of Highway 128 junction. Comment
  UCD20917  Eschscholzia caespitosa V. (Shorty) Boucher 2002-3-27 8 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Just north of culvert #8 in a roadcut. Comment
  CAS-BOT-BC403340  Eschscholzia californica Brandegee 1889-4-1 A Napa Mt. St. Helena Comment
  UC126645  Eschscholzia californica Harley P. Chandler Sep 7 1906-Sep 14 1906 7132 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD167246  Eschscholzia californica Jake Ruygt 1978-5-17 320 Napa South of Trancas west side of Napa River. 10 Comment
  JEPS126043  Eucrypta chrysanthemifolia var. chrysanthemifolia Jake Ruygt 1989-4-8 2254 Napa About 1/2 mile south of Monticello Dam on Vaca Mount. Monticello Dam 7.5' Quad. Comment
  JEPS106421  Euphorbia crenulata Jake Ruygt 1996-4-10 3578 Napa Soda Spring, White Cliff Springs 399 Comment
  JEPS51864  Euphorbia crenulata W. L. Jepson 1924-4-27 10369 Napa Mt. St. Helena; Toll House 457 Comment
  UCD142430  Euphorbia lathyris H. Stabo 1964-6-11 s.n. Napa Lewelling Ranch; St. Helena. Comment
  UCD167048  Euphorbia oblongata Jake Ruygt 1989-12-11 2427 Napa Yountville Ecological Reserve. 22 Comment
  JEPS52404  Euphorbia peplus W. L. Jepson 1936-7-2 17638 Napa garden borders of Sanitarium Howell Mt. (Howell Mt.); vicinity of San Francisco Bay, Howell Mt. Comment
  OBI74552  Euphorbia serpillifolia David J. Keil 1986-11-8 19799 Napa Along Lake Berryessa Knoxville Rd near Knoxville. 3.0 mi S of turnoff to Homestake McLaughlin Mine/Mill 350 Comment
  POM182718  Euphorbia spathulata D. D. Keck 1931-4-3 1069 Napa Pope Creek Canyon, near Walter Springs. Comment
  UCD170837  Euphorbia spathulata 2018-4-28 4 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  JEPS106956  Euthamia occidentalis Jake Ruygt 1978-8-29 404 Napa .5 miles south of Hoffman Lane on Solano Avenue 22 Comment
  UCD54315  Euthamia occidentalis M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 107 Napa McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. 100 yards downstream of the campground. 640 Comment
  CHSC108741  Festuca californica B. Castro; L. P. Janeway 2002-5-12 1366 Napa Inner North Coast Ranges. Near top of ridge on northeast side of Pocock Creek along the dirt road from Devilhead Road. NNW-facing slope at edge of road opening and cutbank. 536 Comment
  CHSC114890  Festuca californica D. G. Kelch 2010-4-28 10180 Napa N Rockville along Suisun Valley Rd. Nr Napa County Line. 159 Comment
  UCD75791  Festuca californica Ellen Dean; S. Rae 2008-5-21 4988 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 196 Comment
  CAS-BOT-BC282493  Festuca elmeri Peter H. Raven 1952-5-31 4157 Napa Rector Dam 152 Comment
  UC1153830  Festuca elmeri Beecher Crampton 1954-5-6 1834 Napa between Capell and Wooden Valley Wooden Valley (State Hwy 37) Comment
  UCR30532  Festuca microstachys John C. Roos 1939-4-15 318 Napa North Coast Range, Pope Valley, [near] Pacific Union College, Angwin 240 Comment
  CAS-BOT-BC278835  Festuca occidentalis J. P. Tracy 1902-5-18 1544 1/2 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles East of Angwin's 487 Comment
  CAS-BOT-BC278836  Festuca occidentalis Peter H. Raven 1952-5-26 4052 Napa Howell Mt., (e. side) 304 Comment
  JEPS122941  Festuca occidentalis Jake Ruygt 1987-4-11 1948 Napa Ragg ridge (Quail Ridge Preserve. Quad: Lake Berryessa. Comment
  SEINET9335789  Festuca roemeri Unknown 1993-5-15 10966 Napa Quail Ridge Reserve Comment
  UCD161338  Filago pyramidata var. pyramidata Jake Ruygt 1983-4-17 1430 Napa Napa County : Red Hill, Mt. St. Helena. (Coordinates estimated by label maker at UC Davis). 670 Comment
  JEPS129140  Frankenia salina Jake Ruygt 1991-7-19 2765 Napa South of the end of South Jefferson Street, Napa. Napa 7.5' Quad. Comment
  CAS-BOT-BC223530  Fraxinus latifolia Peter H. Raven 1957-5-5 10766 Napa At western edge of Calistoga 152 Comment
  JEPS122724  Fraxinus latifolia Jake Ruygt 1979-3-13 451 Napa Northeast corner of Trefethen Vineyard along Creek. Quad: Napa Comment
  RSA298947  Fraxinus latifolia Edward Lee 1936-3-15 1803 Napa Rutherford, Pope Valley Road, 3/4 mile out of Rutherford Comment
  CAS-BOT-BC205887  Fremontodendron californicum Walter Knight; Irja Knight 1963-10-20 366 Napa 4.5 mi. north of Knoxville Comment
  UCD116308  Fremontodendron californicum D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-25 s.n. Napa Berryessa-Knoxville Road. UC MacLaughlin Nature Reserve. 650 Comment
  CDA13213  Fremontodendron californicum subsp. napense G. F. Hrusa, J. M. Tucker, G. L. Webster, M. Rejmanek 1996-5-4 12914 Napa North Coast Biodiversity Arena; Summit of 'The Palisades' above Cub Valley. MonteSol Ranch. Comment
  CAS-BOT-BC130078  Fritillaria affinis Alice Eastwood 1915-6-6 s.n. Napa Calistoga Comment
  CAS-BOT-BC130079  Fritillaria affinis Carl B. Wolf 1928-5-3 1836 Napa Base of Mt. St. Helena Comment
  UC545849  Fritillaria affinis E. Crum 1936-3-15 1740 Napa Butts Canyon, Pope Valley-Middletown Road Butts Canyon; , Pope Valley-Middletown Road Comment
  UCD139718  Fritillaria affinis R. F. Denno 1967-4-15 48 Napa 1 mile north of Lower Chiles Valley Road, off of Highway 128. Inner Coast Range Transitional. 228 Comment
  RSA654126  Fritillaria affinis Beecher Crampton 1953-2-26 988 Napa 6 miles east of Monticello, on Highway 128, above Putah Creek. Comment
  JEPS61958  Fritillaria pluriflora W. L. Jepson 1936-4-5 17416 Napa s of Knoxville Comment
  UCD139705  Fritillaria pluriflora Robert E. Preston 1988-4-10 585 Napa ca. 0.3 mile SE of the confluence of Putah and Hunting Creeks. 304 Comment
  JEPS4951 Image available Fritillaria purdyi Mrs. Elizabeth Cyrus Wright 1919-4-21 Napa Calistoga Comment
  JEPS81599  Fritillaria purdyi R. Raiche 1982-3-7 20205 Napa Junction of Snell Valley Road and Butts Canyon Road Comment
  UC699685  Fritillaria purdyi Basil Bowers 1941-6-18 378 Napa e of Calistoga (n of point where Old Mine Road crosses summit, Palisades); Palisades 762 Comment
  UC545850  Fritillaria recurva E. Crum 1936-3-15 1739 Napa Butt's Canyon, Pope Valley-Middletown Road Butt's Canyon; , Pope Valley-Middletown Road Comment
  CAS-BOT-BC508186  Fritillaria recurva Hunt 1913-3-27 s.n. Napa St Helena Comment
  JEPS61953  Fritillaria recurva Mrs. Mary Van E. Ferguson 1919-4-13 Napa Atlas Mountain Comment
  UCD110457  Galium Christopher Mallek 2008-1 KX2- 18 Napa Knoxville. 593 Comment
  UC1196110  Galium andrewsii subsp. andrewsii Joseph P. Tracy 1902-5-15 1466 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 426 Comment
  CDA42134  Galium aparine T. C. Fuller 1958-5-1 3723 Napa 2.5 miles north of Calistoga. 0 Comment
  UC127126  Galium bolanderi Harley P. Chandler Sep 7 1906-Sep 14 1906 7105 Napa Alta Loma Ranch Howell Mountain 487 Comment
  JEPS52650  Galium bolanderi Lauramay T. Dempster 1965-5-15 4093 Napa s Knoxville (n slope); Cedar Valley 609 Comment
  CDA6658  Galium divaricatum J. T. Howell 1943-6-19 18237 Napa Hills west of Napa Valley between St. Helena and Mt. St. John Comment
  UCD73512  Galium divaricatum Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  SEINET5738653 Image available Galium nuttallii J. A. Marinovich 1964-1 17 Napa State Highway 128 between Monticello Dam and its junction with State Highway 37.; Monticello Dam Comment
  JEPS85031  Galium porrigens var. porrigens Larry Heckard and Mary Ashton 1969-5-3 2208 Napa off the Atlas Peak Rd ca 7 mi ne Napa (slope above (s of) meadow); Mead Ranch 457 Comment
Read comments
Jan 19 2007
  CDA10841  Galium porrigens var. tenue G. F. Hrusa, G. L. Stebbins 1994-4-14 11778 Napa North Coast Biodiversity Arena; along Butts Creek, Butts Canyon, 4 mi. N Pope Valley. Comment
  UC168592  Galium triflorum Joseph P. Tracy 1905-7-6 2215 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 457 Comment
  JEPS66757  Garrya flavescens W. L. Jepson 1936-2-8 17400 Napa Adam and Eve Ridge; Howell Mt. Comment
  UC402907  Garrya flavescens Mrs. H. P. Bracelin 1930-3-23 Napa 1.5 mi se Mt. St. Helena Inn (flanks of Mt. St. Helena); Mt. St. Helena Comment
  CAS-BOT-BC144383  Garrya fremontii H. E. McMinn 1923-5-25 961 a Napa Summit Wooden Valley Grade. Road to Napa. Comment
  CAS-BOT-BC144425  Garrya fremontii Peter H. Raven 1951-6-10 s.n. Napa Crater Region e. of Pinnacles 762 Comment
  UC876025  Garrya fremontii Mrs. C. E. Miller Aug 1918 Napa Howell Mt. Comment
  CAS-BOT-BC278655  Gastridium phleoides Thomas H. Kearney 1948-6-26 s.n. Napa Near Napa Comment
  CAS-BOT-BC278656  Gastridium phleoides Peter H. Raven 1951-6-26 3083 Napa Cappell Valley 365 Comment
  JEPS71221  Gastridium ventricosum W. L. Jepson 1936-7-3 17633 Napa Four Corners Howell Mt.; Napa Range, Howell Mt. Comment
  UC527949  Gastridium ventricosum R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6659 Napa on road to Pope Valley 5 mi e St. Helena 304 Comment
  SD224986  Geranium molle A. C. Sanders 1996-6-1 18195 Napa Napa: southeast edge of town at Skyline Park, east end of Imola Road East. Adjacent to meeting hall. 91 Comment
  UCD49071  Geranium molle E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 9 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. ca. 0.45 miles (2,400 ft.) as the crow flies NW from the jct. of West Rd. and South Decker Canyon Rd. 249 Comment
  UCD132710  Geranium purpureum Ramona Robison 2012-4-26 s.n. Napa Bale Grist Mill State Historic Park, in area near parking lot and around historic mill. 115 Comment
  UCD103474  Geranium purpureum Glen Holstein 1977-5-11 s.n. Napa Along State Highway 121, 0.7 mile north of intersection with Wooden Valley Road. Comment
  UC932031  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1946-7-7 7702 Napa wooded canyon ca 8 mi from Vichy Springs (on Monticello Road, e slope Mayacama Mountains); e slope Mayacama Mountains, ca 8 mi from Vichy Springs Comment
  UCD117969  Gilia tricolor G. L. Webster 1967-3-23 7493 Napa 1 mile south of Spanish Flat. 167 Comment
  UCD148838  Gilia tricolor Ellen Dean; Diana Hickson 2014-4-29 8142 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  UCD167224  Gilia tricolor subsp. diffusa Jake Ruygt 1986-4-12 1689 Napa Devil's Canyon. 536 Comment
  UCD167227  Gilia tricolor subsp. diffusa Jake Ruygt 1982-5-1 1217 Napa 3.2 miles north of Loma Vista Drive on Soda Canyon Road. 320 Comment
  JEPS85024  Gilia tricolor subsp. tricolor Larry Heckard and Mary Ashton 1969-5-3 2216 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd.); ne of Napa, off Atlas Peak Rd., Mead Ranch 510 Comment
  SEINET7072774  Githopsis specularioides A. G. Vestal 1963-5-12 s.n. Napa Howell Mountain Road on the North Slope. UTM Zone 10, 548879mE, 4271447mN. Coordinate datum: NAD 27.) Comment
  UCD170354  Githopsis specularioides Daniel Potter; H Won, D McNair, A Holland, K Battenberg 2016-4-17 853 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 458 Comment
  CDA34678  Glinus lotoides L. Ahart 2009-10-27 16498 Napa Below the high water line of Lake Berryessa, about 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. Comment
  RSA769184  Glinus lotoides L. Ahart 2009-10-12 16444 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  SD131827  Glinus lotoides Barbara Ertter, Elizabeth Neese 1988-10-2 7966 Napa Lake Hennesse ca. 15 miles northnorthwest of Napa, on Conn Creek in North Coast Ranges. 91 Comment
  JEPS110681  Gratiola ebracteata Jake Ruygt 1993-4-12 3194 Napa Buchli Staion Rd. DFG property, near railroad tracks 3 Comment
  UC1196813  Gratiola ebracteata J. P. Tracy 1902-5-18 1532 Napa head of Moore's Creek Howell Mountain (3-4 mi e of Angwin's, La Jota Plateau, Howell Mountain); , , La Jota Plateau 518 Comment
  UC147896  Gratiola ebracteata Joseph P. Tracy May 15 1903-May 18 1903 1873 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  UC1746131  Gratiola ebracteata Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2762 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  CAS-BOT-BC304897  Grindelia hirsutula Robert M. King 1980-7-9 8417 Napa 2-3 miles north of Calistoga Comment
  SEINET3142699  Grindelia hirsutula M. P. Dunford 1959-10-3 556 Napa 3/4 mi. N of Samuel Springs; along Trout Creek, 100 yards S of creek mouth Comment
  UC134569 Image available Grindelia hirsutula Alice Eastwood 1900-5-7 Napa Calistoga Comment
  UC32141  Grindelia hirsutula Willis L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin, Howell Mt. Comment
  UC32146  Grindelia hirsutula Willis L. Jepson 1894-4-30 Napa Rebecca Ranch <gra??> Napa River Basin, Rebecca Ranch grade Comment
  UC472392  Grindelia hirsutula H. P. Chandler 1907-7-19 7604 Napa Howell Mt. Comment
  UCD148103  Grindelia hirsutula Jake Ruygt 2977 Napa Yountville Ecological Reserve, Yountville Cross Rd. 28 Comment
  JEPS106785  Guillenia lasiophylla Jake Ruygt 1981-4-20 989 Napa American Canyon, .3 miles east of Flosden Road 91 Comment
  POM143656  Guillenia lasiophylla C. F. Baker 1903-4-20 2629 Napa Mt. St. Helena. Comment
  JEPS106919  Gutierrezia sarothrae Jake Ruygt 1998-8-29 4109 Napa Blue Ridge, about 1.5 mile north of Mays Flat. 701 Comment
  CAS-BOT-BC302212  Harmonia hallii C. F. B. 1903-5-8 3079 Napa Knoxville Comment
  UCD170160  Harmonia hallii Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 778 Napa Knoxville Wildlife Area, near top of ridge above and west of Berryessa-Knoxville Road 555 Comment
  CAS-BOT-BC302231  Harmonia nutans Alice Eastwood 1915-6-6 4664 Napa Mt. St. Helena Comment
  CAS-BOT-BC302238  Harmonia nutans H. M. Hall 1931-5-26 13087 Napa West side Napa Range, on Sarco Creek Comment
  CAS-BOT-BC302239  Harmonia nutans H. M. Hall 1931-5-26 13087 Napa West side Napa Range, on Sarco Creek Comment
  JEPS7511  Harmonia nutans R. F. Hoover 1941-4-27 4944 Napa near Yountville Comment
  SJSU11766  Harmonia nutans J. D. Paravantes 1973-4-14 Napa Soda Canyon Rd 5 mi N of intersection with Silverado Trail Comment
  UC1731334  Harmonia nutans Dean W. Taylor 1998-6-3 16478 Napa Cedar Canyon North Coast Ranges (basin in headwaters, between Twin Peaks and Sugarloaf Mtn., at end of road up (w from) Aetna Springs, Detert Res. 7.5' USGS quadrangle) 670 Comment
  UC1746026  Harmonia nutans Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2769 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UC30654  Harmonia nutans Willis L. Jepson 1893-5-2 Napa New Pope Valley grade Napa River Basin (highest ridges) Comment
  UC761806  Harmonia nutans R. F. Hoover 1941-4-27 4944 Napa rocky hill near Yountville Comment
  CAS-BOT-BC306348  Helenium W. L. Jepson 1938-9-24 19023 Napa In canyon of Limekiln (or James) Creek, north of Pope Valley 304 Comment
  JEPS106642  Helenium bigelovii Jake Ruygt 1979-7-21 759 Napa 5.5 miles north of Howell Mtn Rd. on Butts Canyon Rd. 243 Comment
  CDA29733  Helenium puberulum M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 215 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). 0 Comment
  JEPS106681  Helenium puberulum Jake Ruygt 1997-11-24 3879 Napa East of Chimney Rock, between Soda Canyon and Silverado Tr 79 Comment
  UCD159467  Helenium puberulum D. S. Park 2010-8-13 221 Napa Along Berryessa Knoxville Rd. In dried up creek bed. 219 Comment
  UC1301032  Helianthella californica subsp. californica Helen K. Sharsmith 1962-6-3 5112 Napa w slope of mtn near Angwin; Mount Howell 487 Comment
  CAS-BOT-BC314717  Helianthella californica var. californica John Thomas Howell 1937-7-4 13057 Napa Wooden Valley Grade Comment
  CAS-BOT-BC314723  Helianthella californica var. californica T. S. Brandegee 1888-9-1 s.n. Napa Howell Mountain Comment
  POM55343  Helianthella californica var. californica C. F. Baker 1903-4-20 2628 Napa Mt. St. Helena. Comment
  RSA133703  Helianthemum scoparium var. vulgare John H. Thomas 1955-5-21 5107 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa. 244 Comment
  UC1177089  Helianthus bolanderi Peter H. Raven 1951-10-28 3949 Napa 1-3 mi e Chiles Valley 304 Comment
  JEPS4457  Helianthus californicus Willis L. Jepson 1893-9-24 13424 Napa Angwin's Meadows Napa River Basin, Howell Mt., Angwin's Meadows Comment
  JEPS4458  Helianthus californicus W. L. Jepson 1893-9-24 13426 Napa Angwin's Meadows Howell Mt., Angwin's Meadows Comment
  CHSC102268  Helianthus cusickii Lowell Ahart 2009-10-12 16424 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS115772  Heliotropium curassavicum Lowell Ahart 2009-10-12 16432 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile soutwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of W 133 Comment
  CDA34656  Heliotropium europaeum L. Ahart 2009-10-12 16433 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  JEPS37515  Helminthotheca echioides W. L. Jepson 1918-6-25 7671 Napa Oakville Napa Valley Comment
  CAS-BOT-BC306142  Hemizonia congesta subsp. clevelandii H. M. Hall 1923-1-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC309837  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1929-8-4 4354 Napa One mile below Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  UCD20508  Hemizonia congesta subsp. luzulifolia E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1081 Napa McLaughlin UC Reserve. SE reaches of Research Hill, rocks S of Parking area at jct of old 4WD road with Knoxville-Berryessa road. NE side of Hunting Creek. 609 Comment
  UCD67774  Hemizonia congesta subsp. luzulifolia D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa MacLaughlin UC Natural Reserve. 680 Comment
  CAS-BOT-BC309833  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1929-10-26 4541 Napa 9 miles n. of Vallejo in Napa Co. Comment
  CAS-BOT-BC309845  Hemizonia congesta subsp. luzulifolia L. S. Rose 1927-7-24 s.n. Napa St. Helena Comment
  RSA32838  Hemizonia parryi subsp. parryi A. A. Heller 1941-9-22 16318 Napa Just back of the hot springs at Calistoga. Comment
  SEINET3860178  Hemizonia parryi subsp. parryi D. D. Keck, J. Clausen 1933-11-10 2715 Napa Calistoga, 2 mi N. of center of town at the geysers.; 0 Comment
  POM194219  Hemizonia pungens subsp. pungens J. T. Howell 1929-10-26 4542 Napa 9 miles N of Vallejo. Comment
  UC175983  Hesperevax acaulis var. robustior Joseph P. Tracy 1903-5-22 1886 Napa on Eel River (Alder Point); Northern Coast Ranges, Alder Point 152 Comment
  UCD63182  Hesperevax acaulis var. robustior Jake Ruygt 2005-4-10 4751 Napa Skyline park, near Manzanita trail. 164 Comment
  JEPS122710  Hesperevax sparsiflora var. sparsiflora Jake Ruygt 1979-4-30 567 Napa Southeast corner of Napa County, east of Highway 80. Quad: Cordelia. Comment
  HSC38216  Hesperocyparis macnabiana Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2343 Napa Along Morgan Valley Rd., 0.5 mi. from Lake Co. line Comment
  OBI7234  Hesperocyparis sargentii Carl B. Wolf & E. R. Johnson, E. R. Johnson 1934-10-17 6196 Napa On Middletown-Calistoga rd, 300 ft S of Lake Co Line 457 Comment
  JEPS112581  Hesperolinon Jake Ruygt 1984-5-19 1558 Napa Cedar Roughs 633 Comment
Read comments
Jan 2 2011
  UC1212359  Hesperolinon bicarpellatum Helen K. Sharsmith 1957-6-18 4606 Napa 0.25 mi beyond north end of Pope Valley (near divide between Pope Valley and Butt's Canyon); Inner North Coast Ranges 259 Comment
  UC1212371  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-5-17 4076 Napa w side of valley 0.5 mi n junction of Pope Valley-Monticello road w/road to Rutherford; Inner North Coast Ranges, Chiles Valley 243 Comment
  UCD160677  Hesperolinon bicarpellatum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8749 Napa Along Shell Valley Road, east of Butts Canyon. South side of road. Land owned by Napa County Land Trust. Permission granted to collect. 178 Comment
  UCD82614  Hesperolinon bicarpellatum Stephen P. Rae 2009-5-18 s. n. Napa Continuum Vineyards. Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 427 Comment
  CDA11251  Hesperolinon breweri G. F. Hrusa, G. L. Stebbins, D. Keil, V. L. Holland 1994-6-6 11874 Napa Inner North Coast Ranges; End of Aetna Springs Rd. ~2.5 m. W of junction with Hwy. 128. 0 Comment
  UC1212210  Hesperolinon breweri Peter H. Raven 1951-6-26 3078 Napa Cappell Valley 365 Comment
  CAS-BOT-BC176011  Hesperolinon californicum Helen K. Sharsmith 1952-7-7 4123 Napa Slope of Conn Creek below Conn Dam, Sage Canyon, 4.5 miles east of Rutherford 152 Comment
  JEPS122818  Hesperolinon californicum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-21 291 Napa East of Knoxville Berryessa Road at pullout by old chimney. Comment
  UC1212446  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4111 Napa slopes of creek at its exit from Chiles Valley; Inner North Coast Ranges, Sage Creek 289 Comment
  UC1212455  Hesperolinon californicum Helen K. Sharsmith 1957-6-18 4604 Napa head Pope Creek Canyon (where stream leaves Pope Valley); Inner North Coast Ranges 243 Comment
  UCD110500  Hesperolinon californicum Helen K. Sharsmith 1952-5-31 4110 Napa Above Sage Creek on west side Chiles Valley. 304 Comment
  CAS-BOT-BC176057  Hesperolinon clevelandii Catherine Best 1984-4-19 926 Napa Atlas Peak Rd - about 6 miles north of the intersection with Monticello Comment
  UC1212309  Hesperolinon clevelandii Helen K. Sharsmith 1958-11-2 4643 Napa one mi above Aetna Springs (ca 5 mi beyond town of Pope Valley); Inner North Coast Ranges 304 Comment
  CAS-BOT-BC176053  Hesperolinon clevelandii Alice Eastwood 1923-5-9 11739 Napa Hills above Calistoga Comment
  JEPS127856  Hesperolinon disjunctum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 622 Napa Along Knoxville Devilhead Rd. south of junction with Knoxville Berrynessa Rd. Comment
Read comments
Dec 22 2020
  JEPS129121  Hesperolinon disjunctum Jake Ruygt 2015-5-2 6089 Napa West of Buck Mountain near Nevada Creek. Knoxville 7.5' Quad. Comment
  UC1212499  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-1 4118 Napa Pope Valley-Monticello road about one mi e spur road to Samuels Springs (s-facing slope above Pope Creek); Inner North Coast Ranges 121 Comment
  UCD167299  Hesperolinon disjunctum Jake Ruygt 2010-7-11 5668 Napa Cedar Roughs, south of Guilliame Springs. 624 Comment
  CAS-BOT-BC167456  Hesperolinon drymarioides G. L. Stebbins 1966-6-6 6447 Napa Along road from Knoxville to Cedar Valley 487 Comment
  JEPS112654  Hesperolinon micranthum Jake Ruygt 1996-5-14 3692 Napa White Cliff Springs; Elder Valley; (Sabini property). 384 Comment
  JEPS121561  Hesperolinon micranthum Adam C. Schneider with Dick O'Donnell 2013-5-26 198 Napa Along Chiles Valley Road. Comment
  JEPS122796  Hesperolinon micranthum Jake Ruygt 2005-6-1 4885 b Napa Blue Ridge, about 1 mile north of Mays Flat. QUAD: Knoxville. Comment
  UC1212413  Hesperolinon micranthum Helen K. Sharsmith 1957-5-30 4595 Napa near road from Cappell Valley to Rutherford (Soda Creek canyon); Inner North Coast Ranges, Soda Creek 213 Comment
  UC1601213  Hesperolinon micranthum Helen K. Sharsmith 1951-10-21 4036 Napa 3.2 mi w Rutherford-Monticello road junction (on road to Rutherford); Inner North Coast Ranges 152 Comment
  UCD160649  Hesperolinon micranthum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8735 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  UCD110538  Hesperolinon micranthum M. Ensign 1943-5-28 326 Napa 24 miles from Monticello on road to Lower Lake. Comment
  JEPS122775  Hesperolinon spergulinum Jake Ruygt 1982-6-29 1357 Napa 0.4 miles west of Pope Valley Road on Howell Mtn. Road. QUAD: St. Helena Comment
  JEPS122802  Hesperolinon spergulinum Jake Ruygt 2000-6-10 4268 Napa Berryessa-Knoxville Road near Foley Creek. QUAD: Knoxville. Comment
  UC1212405  Hesperolinon spergulinum J. P. Tracy 1899-7-5 383 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UC146128  Hesperolinon spergulinum J. P. Tracy 1905-7-6 2233 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 365 Comment
  UCD112242  Heterocodon rariflorum Christopher Mallek 2008-5-12 AS2- 14 Napa Aetna Springs. 668 Comment
  SEINET265722  Heteromeles arbutifolia Royal D. Suttkus 1967-6-26 67- 30 -10 Napa Clearly Reserves 7.2 miles NW of Pope Valley Comment
  JEPS106626  Heterotheca oregona var. rudis Jake Ruygt 1987-10-12 2104 Napa Putah Cr. north of Berryessa Estates 143 Comment
  CAS-BOT-BC424161  Heuchera micrantha var. erubescens Peter H. Raven 1950-6-20 2358 Napa in the Napa Range between Corn Valley & Howell Mtn. Comment
  JEPS101835  Hoita macrostachya Dean W. Taylor 1999-7-20 17290 Napa Crystal Lake (large vernal lake west of Highway 128 and Capell Creek) 350 Comment
  UCD75825  Hoita macrostachya Jake Ruygt 2000-6-10 4274 Napa Adams Creek. 445 Comment
  CAS-BOT-BC280702  Holcus lanatus Elsa G. Ruckert 1960-4-29 s.n. Napa 300 yards from 6495 Dry Creek Road 365 Comment
  JEPS122920  Holcus lanatus Jake Ruygt 1982-5-1 1304 Napa 0.3 mile north of Chimney Rock Golf Course on Silverado Trail. Quad: Yountville. Comment
  CAS-BOT-BC324651  Holocarpha virgata John Thomas Howell 1933-8-27 11644 Napa EAst of Chiles Valley on road to Winters, Napa Range Comment
  UCD19320  Holodiscus discolor M. A. Bibbo; E. Dean 2001-7-6 12 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 1.1 air miles from jct. with S Decker canyon rd. E (upslope) side of the rd on a NW facing slope. 274 Comment
  UC668201  Holozonia filipes Joseph P. Tracy 1938-6-6 15838 Napa between Napa City and Youngville; Napa Valley 30 Comment
  UCD160786  Hordeum brachyantherum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8666 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 493 Comment
  UCD83854  Hordeum brachyantherum Ellen Dean; Kate Mawdsley 2010-4-30 5944 a Napa Valley Gate Vineyard, lands near intersection of Hwy 12 and Kirkland Ranch Rd. 71 Comment
  UCD36306  Hordeum brachyantherum subsp. brachyantherum Beecher Crampton 1953-5-19 1308 Napa Chiles Valley. Digger Pine belt. 10 miles west of Monticello, along Hwy. 128. Comment
  UC754605  Hordeum brachyantherum subsp. californicum G. L. Stebbins Jr. and G. Covas 1948-5-9 3933 Napa on road from Rutherford to Monticello, at jct.of road from Pope Valley, near head of Sage Canyon Comment
  POM263252  Hordeum marinum subsp. gussoneanum J. C. Roos 1939-5-13 273 Napa Angwin, Howell Mt. Comment
  CAS-BOT-BC284901  Hordeum murinum subsp. leporinum Ira L. Wiggins 1928-3-25 2881 Napa 1 1/2 mi. N.E. of Calistoga Comment
  UC1198714  Horkelia californica subsp. dissita J. P. Tracy 1899-6-14 374 Napa 3-4 mi e Angwin's (Head of Moore's Creek); Howell Mountain, Moore's Creek Comment
  UC679532  Horkelia californica subsp. dissita Milo S. Baker 1942-6-26 10208 Napa 1 mi e Pac. Theolog. Seminary; Pine Crest Comment
  JEPS104542  Hydrocotyle ranunculoides Jake Ruygt 1981-3-29 959 Napa near P.G.and E substation, Suscol ridge 24 Comment
  UC131665  Hydrophyllum occidentale C. F. Baker 1903-5-11 3083 Napa Knoxville Comment
  POM285807  Hypericum androsaemum R. C. Bacigalupi 1928-06 1876 Napa Howell Mt., 10 mi. west of St. Helena Comment
  UC666677  Hypericum concinnum H. S. Reed 1938-6-11 159 Napa Napa range w. of Oakville 243 Comment
  UCD73842  Hypericum concinnum Ellen Dean; S. Rae 2008-5-21 4977 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 238 Comment
  CAS-BOT-BC410802  Hypericum concinnum James L. Reveal 1987-6-7 6400 Napa Vaca Mountains, along the Mix Canyon Road, 5 miles W of Pleasant Valley Road, about 7 miles NW of Vacaville 762 Comment
  JEPS66790  Hypericum concinnum W. L. Jepson 1938-5-25 18860 Napa Howell Mountain, Bell Canyon Bell Canyon; Howell Mountain, Bell Canyon 579 Comment
  OBI57142  Hypericum concinnum David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24513 Napa Along Aetna Springs Road on east slope of Sugarloaf Mountain Comment
  RSA491728  Hypericum concinnum James L. Reveal 1987-6-7 6400 Napa Vaca Mountains, along the Mix Canyon Road, 5 miles west of Pleasant Valley Road, about 7 miles northwest of Vacaville. 762 Comment
  JEPS66804  Hypericum formosum var. scouleri W. L. Jepson 1893-6-26 13963 Napa Howell Mt. Comment
  UCD18095  Hypochaeris glabra Ellen Dean; with PLB 102 class 2000-4-29 751 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  RSA135873  Iris fernaldii Lee W. Lenz, E. K. Balls 1955-5-17 20765 Napa 7.6 miles south of Lake-Napa County line along State Highway 29, Middletown to Calistoga 457 Comment
  UCD138728  Iris fernaldii R. H. Miller 1949-5-8 48 Napa beside Highway 37, about 10 miles northeast of Napa. Comment
  JEPS126061  Iris longipetala Jake Ruygt 2009-5-22 5411 Napa American Canyon, across road from quarry. Cordelia 7.5' Quad. Comment
  JEPS17332  Iris macrosiphon W. L. Jepson 1900-3-10 516 Napa Howell Mt. Comment
  SEINET7073090  Iris macrosiphon A. G. Vestal 1963-4-7 s.n. Napa High shoulder on the wests side of Silverado Trail. Coordinate datum WGS84/NAD83. (38? deg. 33' 9" North Latitude, -122? deg. 29' 50" West Longitude, UTM Zone 10, 543809mE, 4267032mN. Coordinate datum: NAD27). Comment
  JEPS17335  Iris macrosiphon Willis L. Jepson 1893-1 Napa near St. Helena (Park Hill); Napa River Basin, Park Hill Comment
  SEINET12049801  Iris macrosiphon F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -303 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 780 Comment
  UCD166694  Iris macrosiphon Jake Ruygt 2007-4-15 5146 Napa Las Posadas State Forest, edge of upper meadow. 518 Comment
  JEPS116563  Isoetes howellii Jake Ruygt 1992-5-15 2962 Napa West of vernal pool meadow, Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  JEPS116565  Isoetes nuttallii Jake Ruygt 1995-5-8 3464 Napa Abut 2 miles SE of Sage Canyon Road from boat dock. Yountville 7.5' Quad. Comment
  JEPS129148  Iva axillaris Jake Ruygt 1981-7-20 1071 Napa Napa Airport. Cuttings Wharf 7.5' Quad. Comment
  UC32952  Jaumea carnosa Willis L. Jepson 1896-11-4 Napa below Napa City Comment
  CAS-BOT-BC102318  Juglans hindsii Carl B. Wolf 1930-11-3 1801 Napa On the Munson Ranch, Napa Range, above Wooden Valley 304 Comment
  CAS-BOT-BC102319  Juglans hindsii Carl B. Wolf 1930-11-3 1801 Napa On the Munson Ranch, Napa Range, above Wooden Valley 304 Comment
  CAS-BOT-BC102321  Juglans hindsii C. B. Wolf; E. R. Johnson 1934-10-17 6197 Napa Munson Ranch, Napa Range, above Wooden Valley, Old Indian Camp Site 304 Comment
  JEPS122671  Juncus bufonius Jake Ruygt 1991-6-21 2730 Napa Hunting Creek Road about 1/2 way from Devilshead Road. Quad: Knoxville. Comment
  JEPS126054  Juncus effusus subsp. pacificus Jake Ruygt 2010-6-21 5629 Napa Van Ness Creek at north entrance into Bear Valley. Detert Reservoir 7.5' Quad. Comment
  CHSC102292  Juncus ensifolius Lowell Ahart 2009-10-12 16641 Napa Below the high water line of Lake Berryessa, along Capelll Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  UCD166703  Juncus kelloggii Jake Ruygt 10 Apr1992 2905 Napa southwest of Leoma Lakes, Wild Horse Valley Ranch. 423 Comment
  UCD149690  Juncus mexicanus Stephen P. Rae; Ayzik Solomeshch 2006-5-7 s.n. Napa Howell Mountain Plateau, about 1 km west of Angwin. McCrane property. Vineyard conversion. 526 Comment
  JEPS122658  Juncus oxymeris Jake Ruygt 1991-6-29 2739 Napa Friesen Drive about 0.2 mile south of Lake Henne. Quad: St. Helena. Comment
  UCD164840  Juncus oxymeris Jake Ruygt 2012-5-19 5849 Napa Spanish Valley. 219 Comment
  UCD166708  Juncus patens Jake Ruygt 2006-7-3 5070 Napa Napa River north of Zinfandel Lane. 56 Comment
  RSA40264  Juncus patens L. S. Rose 1946-8-18 46264 Napa 3 miles NE of Napa. 61 Comment
  RSA517031  Juncus patens W. L. Jepson 1936-6-1 17577 Napa West side of Four Corners, Howell Mt., Napa Range. Comment
  UC750690  Juncus patens Lewis S. Rose 1946-8-18 46264 Napa 3 mi ne Napa 60 Comment
  UCD148833  Juncus xiphioides Ellen Dean; Diana Hickson 2014-4-29 8138 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 560 Comment
  UCD133720  Juniperus californica Robert E. Preston 1987-6-16 563 A Napa CA: Napa Co.: On and near the margins of a dry streambed, ca. 1.5 mi SE of Big Basin. 243 Comment
  UCD167059  Juniperus occidentalis Jake Ruygt 1998-6-24 4057 Napa Taylor Bluff, Blue Ridge. 743 Comment
  JEPS128872  Keckiella corymbosa Jake Ruygt 1999-7-17 4206 Napa Mount Saint Helena fire road. Detert Reservoir 7.5' Quad. Comment
  UCR24498  Keckiella corymbosa John C. Roos 1939-7-16 274 Napa North Coast Range, Palisades, Napa Range near Calistoga 823 Comment
  NY790364  Keckiella lemmonii R. C. F. Bacigalupi 1928-6-20 1873 Napa Howell Mountain, 10 miles west of St. Helena Comment
  JEPS34511  Kickxia elatine Freed W. Hoffman Aug 1947 1689 Napa Sage Canyon; North Coast Ranges Comment
  RSA140851  Kickxia elatine John H. Thomas 1960-8-29 8840 Napa About 1 mile north of Calistoga along highway number 53. Comment
  SEINET10782609  Kickxia elatine Peter H. Raven 1952-5-29 Raven 4094 Napa Napa River 1 mi. N Napa. 61 Comment
  JEPS76077  Koeleria macrantha W. L. Jepson 1938-5-18 18789 Napa behind St. Helena Sanitarium Howell Mountain; , behind St. Helena Sanitarium Comment
  JEPS38991  Lagophylla minor W. L. Jepson 1938-5-22 18826 Napa Snell Valley Comment
  UC1199151  Lagophylla minor Joseph P. Tracy 1933-6-2 12481 Napa on hills at head Moore's Creek (5 mi e of Angwin's); Howell Mountain Comment
  JEPS41064  Lagophylla minor Rimo Bacigalupi, and L. R. Heckard 1965-5-16 9114 Napa about 7 mi se Knoxville (at the s end of Cedar Valley); Cedar Valley 594 Comment
  RSA128654  Lagophylla minor Peter H. Raven 1951-5-26 2887 Napa Butts Canyon. 305 Comment
  UCD170203  Lamium amplexicaule Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 754 Napa East side of Berryessa-Knoxville Road, just west of the Knoxville Wildlife Area boundary. 347 Comment
  CAS-BOT-BC295370  Lasthenia californica R. C. Wenk; E. S. Wenk 2006-4-30 436 Napa Robert Louis Stevenson State Park. Trail going east from Highway 29 parking lot for trail to Mt. St. Helena. 1/2 mile from parking lot on left side of trail Comment
  CHSC84558  Lasthenia californica John Dittes 2003-4-5 2003 -11 Napa Inner North Coast Range; Napa Valley; approximately 1.6 air-miles north by northwest of Calistoga City Hall, approximately 0.9 air-mile northwest of confluence of Napa River and Garnett Creek, in the vicinity of the intersection of Myrtledale Road and Tubbs Lane. 121 Comment
  CAS-BOT-BC338265  Lasthenia californica John Thomas Howell 1931-4-2 6051 Napa Wooden Valley Grade 4 miles east of Napa Comment
  CAS-BOT-BC338266  Lasthenia californica John Thomas Howell 1926-3-21 1741 Napa Near Palisade Mine, n. Napa Valley Comment
  POM361516  Lasthenia californica J. T. Howell 1931-4-2 6051 Napa Wooden Valley Grade 4 miles E of Napa. Comment
  UC166656  Lasthenia californica subsp. californica J. P. Tracy 1902-5-21 1574 Napa 3-4 mi e of Angwin's Head of Moore's Creek; Howell Mountain 457 Comment
  UC166225  Lasthenia californica subsp. californica Joseph P. Tracy 1903-5-18 1860 Napa alkaline flats at Calistoga Hot Springs; Northern Coast Ranges, Napa Valley 91 Comment
  JEPS106672  Lasthenia conjugens Jake Ruygt 1983-5-1 1451 Napa Suscol Hill east of HWY 29 (221) 27 Comment
  UC30426  Lasthenia gracilis Willis L. Jepson 1893-5-1 Napa Napa Valley Napa River Basin, Upper Napa Valley Comment
  UC496104  Lathyrus aphaca Mrs. Ernest Lloyd 1931-5-5 Napa Howell Mountain Comment
  UCD106196  Lathyrus aphaca Mrs. Alice Ackley 1963-6-1 s.n. Napa Tubbs Lane near Calistoga. Comment
  UCD168534  Lathyrus hirsutus Stephen P. Rae; A. Solomeshch 2007-5-13 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UCD106330  Lathyrus jepsonii var. californicus J. Watsonii 1941-5-1 s.n. Napa Monticello - Napa Road. Comment
  UCSB3114  Lathyrus vestitus Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Wooden Valley on California Highway 37, 500 feet above valley floor 304 Comment
  POM225554  Lathyrus vestitus subsp. vestitus J. T. Howell 1931-4-2 6077 Napa Summit of Wooden Valley Grade, 8 miles east of Napa. Comment
  JEPS107264  Lathyrus vestitus var. vestitus Jake Ruygt 1982-3-22 1141 a Napa Sugarloaf peak near Skyline Park 396 Comment
  JEPS48893  Lathyrus vestitus var. vestitus Elsa Kraeger 1926-3-28 Napa near Mt. St. Helena Inn Comment
  UC1073276  Lathyrus vestitus var. vestitus George B. Rossbach 1955-2-19 328 Napa se slope Mt. St. Helena (nw Napa County) 1158 Comment
  CAS-BOT-BC323199  Layia chrysanthemoides Clara A. Hunt 1921-4-1 s.n. Napa St. Helena Comment
  JEPS106619  Layia chrysanthemoides Jake Ruygt 1990-4-20 2486 Napa near end of Henry Rd. 97 Comment
  CAS-BOT-BC323191  Layia chrysanthemoides David D. Keck 1931-4-2 1045 Napa 4 miles S of Monticello, eastern Napa County. Comment
  POM53342  Layia chrysanthemoides C. F. Baker 1903-4-19 1098 Napa Calistoga. Comment
  HSC43960  Layia septentrionalis Robert M. Specht 1977-4-19 700 Napa Above drainage running NE from Adams Creek (sire 163) 497 Comment
  JEPS106631  Layia septentrionalis Jake Ruygt 1990-4-28 2511 Napa Bear Valley 615 Comment
  JEPS129072  Layia septentrionalis Jake Ruygt 2016-4-2 6172 e Napa Smittle Creek, west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  JEPS40030  Layia septentrionalis Willis L. Jepson 1893-5-2 Napa grade to Pope Valley from Calistoga; Palisades Comment
  CAS-BOT-BC274335  Leersia oryzoides Peter H. Raven 1952-9-14 5175 Napa Conn Creek e. of Yountville 91 Comment
  JEPS34473  Lemna minuscula L. R. Heckard 1964-5-23 1362 Napa about 2 mi sw of Aetna Springs (Cleary Reserve (Nature Conservancy)); Cleary Reserve (Nature Conservancy) 365 Comment
  CAS-BOT-BC221495  Lepechinia calycina Milo S. Baker 1926-4-10 s.n. Napa Trail to Crater - 2 mi S. St Helena Inn Comment
  CAS-BOT-BC221496  Lepechinia calycina Peter H. Raven 1952-5-26 4067 Napa Steel Canyon 304 Comment
  CDA10864  Lepechinia calycina G. F. Hrusa, M. Rejmanek 1993-5-15 10959 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  HSC71002  Lepechinia calycina J. M. DiTomaso 1980-6-12 1578 Napa 1 mi. W of Monticello Dam at Lake Berryessa, above lake. 146 Comment
  UCLA64436  Lepechinia calycina Joseph Andorfer Ewan 1934-5-30 8859 Napa Sarco Creek 4 mi above Napa Comment
  UCD74387  Lepidium appelianum Jake Ruygt 1990-4-21 2499 Napa Giles Mead Ranch, Atlas Peak Rd. 429 Comment
  UCD74388  Lepidium draba Jake Ruygt 1979-4-2 473 Napa 0.1 mile north of Salvador Ave. on Big Ranch Rd. 18 Comment
  JEPS106833  Lepidium latifolium Jake Ruygt 1994-6-17 3404 Napa Fagan Slough 1 Comment
  UCD20724  Lepidium latifolium Mark Bibbo; w/ Laura Wynholds 2002-7-20 65 Napa McLaughlin UC Reserve. Hunting Creek campground where Hunting Creek Rd. crosses Hunting Creek. 50 yards downstream of campground. 335 Comment
  CAS-BOT-BC12514  Lepidium nitidum Peter H. Raven 1954-2-22 6409 Napa Orchards at west end of Saint Helena. 60 Comment
  JEPS106790  Lepidium nitidum var. nitidum Jake Ruygt 1978-3-8 231 Napa north of the east end of Westgate Drive, Silverado Country Cl. 121 Comment
  JEPS120396  Lepidium oxycarpum Jake Ruygt 1993-4-18 3208 Napa north of American Canyon Creek, south of Am. Can. sanitation Comment
  UCD161697  Lepidium strictum Jake Ruygt 2010-5-20 5560 Napa west end of Soscol Ferry Road, 100 yards from Napa River. 6 Comment
  RSA115540  Leptosiphon acicularis Beecher Crampton 1957-6-4 s.n. Napa Above Capell Creek, north end Capell Valley Comment
  UCD13153  Leptosiphon androsaceus Kathleen Worden 1981-5-24 13 Napa Napa CO. Sage Canyon Rd. 1.2 miles east of intersection with Silverado Trail. Comment
  CHSC52453  Leptosiphon androsaceus Keith G. Weinstock 1975-5-9 10 Napa State Highway 128, 12.6 miles southwest of the intersection of Road 89 and Road 32 (Yolo County). Comment
  POM204476  Leptosiphon androsaceus J. T. Howell 1933-5-21 11314 Napa Hills east of Napa. Comment
  RSA79005  Leptosiphon bicolor E. K. Balls, Lee W. Lenz 1952-5-8 17116 Napa 4 mi N along hwy 29 from jct. of hwy 28 at Woodleaf NW of Calistoga Comment
  UCD167231  Leptosiphon bolanderi Jake Ruygt 2003-3-31 4486 Napa South of historic Knoxville on ridge to west. 445 Comment
  UCD82052  Leptosiphon jepsonii Robin McMaster 1972-4-22 67 Napa Pope Valley. Comment
  JEPS129094  Leptosiphon latisectus Jake Ruygt 2016-4-26 6209 Napa Amy's Grove, Dry Creek Road. Rutherford 7.5' Quad. Comment
  JEPS106605  Lessingia hololeuca Jake Ruygt 1992-8-3 3115 Napa east of Spencer Creek near Solano County line 313 Comment
  CAS-BOT-BC341992  Lessingia ramulosa Chas. M. Belshaw; H. L. Mason 1936-9-20 2688 Napa Inner North Coast Range. Three miles northwest of Knoxville Comment
  UCD18118  Lessingia ramulosa K. Carpenter; with E. Dean and K. Chaney. 2000-8-18 55 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., top of ridge by air quality station. 560 Comment
  UCR141013  Lessingia ramulosa Beecher Crampton 1961-8-14 5968 Napa Inner North Coast Ranges, northern end of Capell Valley, along Calif. Hwy 128, above Capell Creek 213 Comment
  UC472  Lilaea scilloides Willis L. Jepson 1893-4-26 Napa near Yountville; Napa River Basin Comment
  POM290968  Lilium rubescens Lyman Benson 1934-6-15 6099 Napa Mt. St. Helena 762 Comment
  UCD139755  Lilium rubescens Heidi E. M. Dobson 1978-6-14 337 Napa east side of Mt. Veeder. Comment
  HSC15781  Limnanthes douglasii Greg Bos 1963-3-30 58 Napa 3 mi. S of Middletown on Butts Canyon Rd. 305 Comment
  POM137445  Limnanthes douglasii subsp. douglasii C. F. Baker 1903-4-19 1991 Napa Calistoga. Comment
  UCD116512  Limnanthes douglasii subsp. nivea Everett H. Everson 1951-4-8 17 Napa 3.2 miles southwest of Monticello. Comment
  JEPS122773  Limnanthes douglasii subsp. rosea Jake Ruygt 1999-4-21 4139 z Napa Parry Collins property on Atlas Peak Road near Milliken Reservoir property. Quad: Capell Valley. Comment
  SEINET5556954  Limnanthes douglasii var. nivea H. S. Gentry 1962-1 19703 Napa 3 mi. north of Calistoga, along Rt. 128. 60 Comment
  UCD116445  Limnanthes douglasii var. nivea H. Popenoe 1949-4-17 8 Napa 17 miles from Winters, Putah Canyon Road, at entrance to Monticello Valley. Comment
  SEINET11262762  Linanthus acicularis Peter H. Raven 1951-4-8 2766 Napa Yountville to Rutherford.; 0 76 Comment
  JEPS58160  Linanthus androsaceus W. L. Jepson 1892-3-25 20904 Napa Signal sta., Vaca Mts (w crest) Vaca Mts. Comment
  UC23463  Linanthus ciliatus Willis L. Jepson 1893-5-1 Napa Pope Valley grade from Calistoga; Napa River Basin Comment
  UC23500  Linanthus dichotomus Willis L. Jepson 1893-4-28 Napa Wooden Valley grade from Napa; Napa River Basin Comment
  UC963942  Linanthus dichotomus R. F. Hoover 1941-4-26 4916 Napa between Samuel Springs and Walter Springs; Pope Creek Comment
  HSC58977  Linanthus dichotomus subsp. meridianus G. E. Johnston 1974-4-4 1024 Napa Near Bell Canyon, close to the town of Angwin 427 Comment
  POM310952  Linanthus dichotomus subsp. meridianus H. L. Mason 1942-5-24 12540 Napa Eight miles south of Pope Valley Store Comment
  SEINET12329985  Linanthus dichotomus subsp. meridianus F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -299 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  JEPS110972  Linanthus jepsonii Jake Ruygt 2005-5-11 4828 Napa Bear Valley, near Van Ness Creek 640 Comment
  JEPS58098  Linanthus latisectus W. L. Jepson 1897-5-2 20940 Napa sw of Calistoga (Rebecca Ranch grade); Upper Napa Valley Comment
  UC146063  Linanthus parviflorus H. P. Chandler 1907-4-25 7538 Napa Chiles Valley road Comment
  RSA0062955  Linanthus parviflorus H. P. Bracelin 1930-3-29 s.n. Napa NW flanks of Mt. George. Comment
  UC517483  Linanthus parviflorus John Thomas Howell 1933-5-21 11314 Napa e of Napa Comment
  JEPS110672  Lindernia anagallidea Jake Ruygt 1991-6-29 2742 Napa Doe Lake, Friesen's Lakes, Angwin 585 Comment
  UCR47051  Linum bienne J. Nevin 1987-5-22 22 Napa Napa Valley, east end of Browns Valley, 1 mi on Buhman Avenue from Browns Valley Road 61 Comment
  JEPS48657  Lithophragma affine Elsa Kraeger 1926-3-28 Napa 1/2 mi below Mt. St. Helena Inn (roadside); below Mt. St. Helena Inn Comment
  RSA734141  Lithophragma affine Keith E. Hoffmaster 1946-3-23 1238 Napa Napa Range Comment
  JEPS47659  Lithophragma bolanderi Willis L. Jepson 1893-4-24 13470 Napa hills e St. Helena; Napa River Basin, e of St. Helena Comment
  UC11891  Lithophragma bolanderi W. L. Jepson 1893-4-24 Napa hills e St. Helena Comment
  CAS-BOT-BC342248  Logfia filaginoides Peter H. Raven 1951-5-20 2854 Napa Hills w. Oakville 548 Comment
  CAS-BOT-BC342249  Logfia filaginoides M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  JEPS20920  Logfia filaginoides Willis L. Jepson 1896-6-1 Napa Helena Napa River Basin, Helena Comment
  JEPS33569  Logfia gallica W. L. Jepson 1936-6-2 17614 Napa hills to e Yountville (on e side road); Napa Valley Comment
  UCD149719  Logfia gallica Stephen P. Rae; Ayzik Solomeshch 2007-3-14 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  UCD73448  Logfia gallica Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  JEPS75993  Lolium multiflorum W. L. Jepson 1936-6-2 17610 Napa on e side of road <in> hills to e Yountville (Napa Valley); Napa Valley Comment
  UCD18077  Lolium multiflorum Ellen Dean; with PLB 102 class 2000-4-22 633 Napa McLaughlin Reserve. Just S of the site of the old town of Knoxville on the N side of the Knoxville-Berryessa Rd., W side of the road to Clover Valley. 402 Comment
  UCD66656  Lolium temulentum Collector Unknown 1941-6-1 Napa Mt. St. Helena. Comment
  SEINET13944733 Image available Lomatium Joseph Andorfer Ewan 1934-1 8836 Napa Local on bank alone creek bed. Steel Canyon 8 m. s. of Monticello. Comment
  SBBG5199  Lomatium californicum H. and M. Dearing 1939-5-1 3243 Napa Spring Mtn Grade, Comment
  UCSC000522  Lomatium californicum M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  JEPS122699  Lomatium caruifolium var. denticulatum Jake Ruygt 2004-5-1 4587 Napa Green Valley Ranch, northeast of ranch compound. Quad: Mt. George. Comment
  UC1301124  Lomatium dasycarpum subsp. dasycarpum Helen K. Sharsmith 1963-3-17 5228 Napa s. side Mt. Atlas; San Francisco Bay Region, Mt. Atlas 609 Comment
  UCD170296  Lomatium hooveri Daniel Potter; Ninh Khuu, Kai Battenberg 2016-3-15 836 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 452 Comment
  UCD18069  Lomatium hooveri Ellen Dean; with Plant Biology 102 class 2000-4-22 624 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  UCD47850  Lomatium hooveri S. Burgess; A. Hufton, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 22 Napa Napa County; McLaughlin Reserve, Southwest side of Hunting creek, on east-facing slope of 'Research Hill'. 655 Comment
  SEINET8465426 Image available Lomatium macrocarpum Joseph Andorfer Ewan 1934-4-30 8836 Napa Steel Canyon 8 miles south of Monticello Comment
  JEPS17099  Lomatium marginatum var. purpureum W. L. Jepson 1924-5-8 10417 Napa Napa Range, Chiles Valley Comment
  SBBG5213  Lomatium nudicaule H. and M. Dearing 1939-5-1 3252 Napa Spring Mtn Grade Comment
  RSA42338  Lomatium repostum Lincoln Constance, Davidson, Wagner, Shan 1946-5-18 s.n. Napa Souteast slope of Mount St. Helena, near the old inn. Comment
  UC1299238  Lomatium repostum Freed W. Hoffman 1947-6-17 1645 Napa North Coast Ranges, Dry Creek Comment
  UC735135  Lomatium repostum Lincoln Constance, J. F. Davidson, W. H. Wagner, R. H. Shan 1946-5-18 3048 Napa s. slope Mt. Saint Helena (near the old inn) Comment
  UCD163604  Lomatium repostum G. Ledyard Stebbins 1971-5-2 8006 Napa Northeast of Napa. Ranch of Giles Mead, along Atlas Mountain [Peak] road. (Exact location unknown. Coordinates estimated by label maker as near Mead Ranch Vineyards.) 487 Comment
  CDA11321  Lomatium utriculatum G. F. Hrusa, R. Cole, D. Anderson 1995-3-26 12027 Napa at entrance gate, UC Quail Ridge Reserve Comment
  HSC44004  Lomatium utriculatum Robert M. Specht 1977-4-13 659 Napa 524 Comment
  UCD127434  Lomatium utriculatum G. F. Hrusa 1995-3-26 12027 Napa Univ. of Calif. - Quail Ridge Reserve. 290 Comment
  UCD164761  Lomatium utriculatum Jake Ruygt 2014-4-7 5917 Napa Sutro Ranch, south end near Foss. 700 Comment
  RSA17889  Lomatium vaginatum C. B. Wolf 1928-2-25 1482 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  POM132617  Lomatium vaginatum C. F. Baker 1903-4-20 2621 Napa Mt. St. Helena Comment
  CAS-BOT-BC240798  Lonicera interrupta Peter H. Raven 1951-5-20 2859 Napa Oakville to Glen Ellen, Sonoma Co. 274 Comment
  CAS-BOT-BC240799  Lonicera interrupta John H. Thomas 1958-4-19 7126 Napa About 2 miles SW of Oakville 152 Comment
  JEPS106727  Lonicera interrupta Jake Ruygt 1979-6-3 676 Napa Oat Hill Mine Rd. north near Kidd Canyon 563 Comment
  UC28534  Lonicera interrupta Willis L. Jepson 1893-9-23 Napa Mt. St. Helena Napa River Basin 853 Comment
  UCD20507  Lonicera interrupta E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1080 Napa McLaughlin UC Reserve. SE reaches of Research Hill, rocks S of Parking area at jct of old 4WD road with Knoxville-Berryessa road. NE side of Hunting Creek. 609 Comment
  CDA31869  Lotus micranthus D. G. Kelch 2001-3-18 1 .018 Napa Soda Canyon Road. Comment
  RSA617140  Lotus micranthus A. C. Sanders 1996-6-1 18193 Napa Southeast edge of town at Skyline Park, east end of Imola Road East. 91 Comment
  JEPS107209  Lotus pinnatus Jake Ruygt 1999-5-17 4162 Napa Wild Horse Valley Ranch, near Leoma Lakes 411 Comment
  JEPS107207  Lotus purshianus var. purshianus Jake Ruygt 1986-6-28 1845 Napa Mt. Millhouse Camp, Mt.St.Helena 505 Comment
  UC1051753  Lotus scoparius Helen K. Sharsmith 1953-6-15 4186 Napa just w junction of Cappell Valley and Monticello roads (se slope of Cappell Valley); Inner North Coast Ranges, Cappell Valley 274 Comment
  UC1197284  Lotus scoparius Joseph P. Tracy 1899-6-10 394 Napa near Angwin's; Northern Coast Ranges, Howell Mountain 457 Comment
  RSA113240  Lupinus albicaulis var. shastensis E. K. Balls, Lee W. Lenz, B. K. Balls 1955-5-12 2450 Napa 1.7 mi. nw. Placer-Nevada Co. Line, along rd. from Coflax to Grass Valley. 747 Comment
  CAS-BOT-BC198366  Lupinus albifrons C. B. Wolf 1928-2-25 1486 Napa On Mt. St. Helena Grade, 2 miles below Hawkins Mt. Camp Comment
  JEPS64923  Lupinus albifrons Willis L. Jepson 1893-4-25 54 t Napa trail to Caux's Cabin (w of St. Helena); Napa River Basin Comment
  UC1217066  Lupinus albifrons Paul C. Hutchison 1963-3-3 2674 Napa along the road to Pope Valley 2 mi above St. Helena Sanitarium; rd to Pope Valley Comment
  UCD105922  Lupinus albifrons Paul C. Hutchison 1963-3-3 2674 Napa 2 miles above the St. Helena Sanitarium along the road to Pope Valley. Comment
  UCD48954  Lupinus albifrons Lynn Wheeler; Mark Bibbo, Anne Koehmstedt, and Thomas Liebmann 2001-4-28 21 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along road to research station. 402 Comment
  SEINET197847  Lupinus albifrons Mrs. H. P. Bracrlin 1930-3-29 5 m-3'30 Napa N.W. flaubs of Int. Yanger. Uprn Firddes abouth 1M. Prigles Comment
  CAS-BOT-BC201553  Lupinus albifrons var. albifrons A. A. Heller 1940-5-6 L 5587 Napa East side of Mt. St. Helena just below the summit crossing of State Highway #29 Comment
  CAS-BOT-BC201557  Lupinus albifrons var. albifrons Peter H. Raven 1950-4-15 1751 Napa Wooden Valley Grade, above Napa 457 Comment
  CAS-BOT-BC196281  Lupinus albifrons var. eminens Mrs. H. P. Bracelin 1930-3-29 s.n. Napa N.W. flanks of Mt. George Comment
  JEPS107221  Lupinus bicolor Jake Ruygt 1996-4-24 3622 Napa Garfield Lane, Napa. 17 Comment
  JEPS107236  Lupinus bicolor Jake Ruygt 1996-4-6 3557 Napa near southeast end of Rector Reservoir. 134 Comment
  JEPS64975  Lupinus bicolor W. L. Jepson 1915-4-23 6265 Napa Chiles Creek hills Conn Valley, Chiles Creek hills Comment
  UC75245  Lupinus bicolor C. F. Baker Apr 1903 1988 Napa Calistoga Comment
  UCD18040  Lupinus bicolor Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 591 Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  UCD48964  Lupinus bicolor M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 1 Napa Quail Ridge UC Reserve, northern top of ridge, alongside lower road leading to power lines, just N of intersection with East and West roads. 335 Comment
  POM181010  Lupinus densiflorus var. densiflorus Alice Eastwood 1930-4-13 s.n. Napa Canyon between Monticello and Pope Valley. Comment
  UC127049  Lupinus formosus var. formosus Willis L. Jepson July, 1892 Napa Berryessa Valley Comment
  UCD108125  Lupinus latifolius G. F. Hrusa 1992-4-15 10378 Napa Along Hwy. 128 app. 2 m. N of Knoxville-Berryessa Rd. Comment
  UC127028  Lupinus latifolius var. latifolius W. L. Jepson 1893-4-24 Napa St. Helena Comment
  UCD20617  Lupinus luteolus E. Dean; with M. Bibbo 2002-7-5 1164 Napa McLaughlin UC Reserve. SE reaches of Research Hill, S of parking area at jct of old 4WD road with Knoxville-Berryesa road. E and W sides of creek. 609 Comment
  CHSC79163  Lupinus microcarpus Beecher Crampton 1954-5-6 1833 Napa Hwy. 37, 9 miles south of Monticello. Comment
  OBI48336  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1420 Napa CA 128 E, 7.2 mi E jct CA 121, 2.9 mi W Monticello Dam, Lake Berryessa 305 Comment
  JEPS107248  Lupinus nanus Jake Ruygt 1981-4-1 965 a Napa Stags Leap 213 Comment
  UCD108933  Lupinus nanus Craig Brauer 1974-4-15 7079 Napa the collection was made near Wallace Ranch. 188 Comment
  UCD168545  Lupinus nanus Stephen P. Rae; A. Solomeshch 2007-3-25 s.n. Napa Nickel Property at 1730 Conn Valley Road north of Lake Hennessy, near end of Conn Valley Road, ca. 1/3 km east of Greenfield Road. 125 Comment
  UC126969  Lupinus nanus Willis L. Jepson 1893-4-26 Napa St. Helena , St. Helena (Napa River Basin) Comment
  UCD161611  Lupinus nanus Jake Ruygt 2001-4-18 4308 Napa Sulphur Springs Road, St. Helena. 76 Comment
  UCD167065  Lupinus nanus Jake Ruygt 2001-4-16 4306 Napa Big Ranch Road (Van Winden property). 16 Comment
  UCD19869  Lupinus nanus C. H. Lamoureux; J. M. Tucker, J. McCaskill and others 1957-4-7 1196 Napa 3 miles southeast of Calistoga, along Silverado Trail. Comment
  SEINET10969715  Lupinus nanus subsp. latifolius Baker 1903-4-19 Baker 1990 Napa Calistoga. Large tufts abundant in meadows. Comment
  POM66227  Lupinus nanus subsp. nanus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  CAS-BOT-BC202225  Lupinus sericatus Carl B. Wolf 1928-5-4 1867 Napa Mt. St. Helena Comment
  CAS-BOT-BC202226  Lupinus sericatus R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6666 Napa 3 mi. N. of Pacific Union College (Howell Mt.) on road to Aetna Springs Comment
  UC16013  Lupinus sericatus Willis L. Jepson 1896-2-22 Napa Howell Mt. beyond Angwin's Howell Mt.; Howell Mt. beyond Angwin's Comment
  UC725353  Lupinus sericatus A. A. Heller 1940-5-6 15586 Napa just below the crossing of State Highway #29 e side Mt. St. Helena; e side of Mt. St. Helena Comment
  UCD149636  Lupinus succulentus Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca. 2 km north of Pope Canyon Road intersection with Berryessa-Knoxville Road. 140 Comment
  UCD47979  Lupinus succulentus Ari Houser; J. Westbrook, S. Ratay, M. Disney, R. Wolfson,S. Wathen 2000-4-22 22 Napa Napa Co, McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  HSC89680  Lupinus vallicola Robin Bencie, Rich Dwerlkotte 1989-3-24 27 Napa A few mi. N of Callistoga, along Hwy. 29 Comment
  UC1152134  Luzula comosa Joseph P. Tracy 1933-4-30 12098 Napa head Moore's Creek (now Las Posadas Forest, Howell Mountain); Howell Mountains, head of Moore's Creek, now Las Posadas For Comment
  JEPS106733  Lychnis coronaria Jake Ruygt 1979-6-18 703 Napa 1.1 miles west of HWY 29 on Diamond Mtn. Road 182 Comment
  JEPS45960  Lythrum hyssopifolia Willis L. Jepson 1893-9-22 14084 Napa near Yountville (Napa River Basin); Napa River Basin Comment
  CAS-BOT-BC342615  Madia anomala R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6671 Napa 6 mi. NE. of Pacific College (Howell Mt.) on road to Aetna Springs Comment
  CAS-BOT-BC343828  Madia elegans Peter H. Raven 1951-8-19 3853 Napa Near Lokoya 487 Comment
  CAS-BOT-BC343829  Madia elegans David D. Keck 1933-11-10 2714 Napa Calistoga Comment
  JEPS106545  Madia elegans Jake Ruygt 1979-7-28 782 Napa corner of Adams St. and HWY 29,Yountvill 36 Comment
  UCD161749  Madia elegans Jake Ruygt 1995-6-5 3489 Napa about 2 miles south of Lake Hennessey on private road (Taylor). 408 Comment
  CAS-BOT-BC344450  Madia exigua John H. Thomas 1955-5-21 5135 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  JEPS38332  Madia exigua W. L. Jepson 1936-5-31 17571 Napa between Toland House and Augwin; Napa Range, Howell Mt.La Jota plateau Comment
  CDA10872  Madia gracilis G. F. Hrusa, M. Rejmanek 1993-5-15 10967 Napa UC Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD161280  Madia gracilis Jake Ruygt 2000-5-10 4245 -b Napa north Pope Valley, 0.4 miles from Pope Creek. (Coordinates estimated by label maker at UC Davis). 207 Comment
  CAS-BOT-BC343205  Madia gracilis H. M. Hall 1931-5-26 13088 Napa Napa Range, west side Comment
  POM56189  Madia hallii C. F. Baker 1903-5-8 3079 Napa Knoxville. Comment
  POM298345  Madia nutans Jens Clausen 1935-5-23 1072 Napa Howell Mountain, near sumit, 6.5 miles NE of St. Helena Comment
  RSA104111  Madia nutans Jens Clausen 1935-5-23 1072 Napa Howell Mountain, near sumit, 6.5 miles NE of St. Helena Comment
  CAS-BOT-BC345056  Madia sativa John Thomas Howell 1932-9-17 10759 Napa 3 miles west of Napa Comment
  JEPS40221  Madia sativa Willis L. Jepson 1894-7-19 Napa Upper Napa Valley Napa River Basin Comment
  POM41576  Madia sativa Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD83743  Madia sativa Ellen Dean; Yuan-chun Han, Surene Foutouhi 2010-5-7 5992 Napa Along Wooden Valley Road; E side of the road; Lamb Vineyard property. 176 Comment
  CAS-BOT-BC345055  Madia sativa A. A. Heller 1902-5-24 5603 Napa Near Napa Comment
  JEPS40404  Madia sativa W. L. Jepson 1904-6-3 2437 Napa 1 to 2 mi from Stone Bridge (St. Helena to Howell Mt.) Comment
  UCD161758  Madia sativa Jake Ruygt 1997-5-19 3859 Napa Highway 29 near Paoli Loop Road, American Canyon. 19 Comment
  CAS-BOT-BC347512  Malacothrix floccifera David D. Keck 1933-5-29 2368 Napa Pope Creek bridge south of Walters Springs Comment
  RSA124771  Malacothrix floccifera John H. Thomas 1955-5-21 5174 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena. 244 Comment
  UC1278039  Malacothrix floccifera B. Crampton 1954-5-20 1925 Napa ca 8 mi sw Monticello (along State Hwy 128) Comment
  UC518945  Malacothrix floccifera David D. Keck 1933-5-29 2368 Napa s of Walters Springs (Pope Creek bridge); Pope Creek Comment
  JEPS122718  Malva nicaeensis Jake Ruygt 1977-5-10 220 Napa Southwest corner of Suscol Avenue and Trancas Street. Quad: Napa Comment
  UCD116603  Malva nicaeensis David Lawfer 1952-4-28 153 Napa Napa. Comment
  UCD170737  Marah fabacea 2018-4-28 3 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  JEPS42483  Marah oregana Willis L. Jepson 1897-5-2 14129 Napa St. Helena Napa River Basin Comment
  RSA81728  Marah oregana Roxana S. Ferris 1951-3-26 12420 Napa Oakville-Glen Ellen Road, about 2 miles from Oakville. Comment
  HSC103452  Marah watsonii Thomas W. Nelson, Jane Nelson 1981-4-14 6395 Napa Along Devil's Head Rd., .5 mi. from junction with Morgan Valley Rd., at junction with road to Hunting Creek 549 Comment
  JEPS103972  Marsilea vestita subsp. vestita Jake Ruygt 1998-6-13 4023 Napa Milliken Creek south of Foss Valley. 405 Comment
  JEPS103981  Marsilea vestita subsp. vestita Jake Ruygt 1986-8-23 1909 Napa Lake Hennessey 92 Comment
  JEPS18288  Matricaria discoidea Peter H. Raven 1957-5-5 10787 Napa Calistoga 91 Comment
  SEINET15325226  Matricaria discoidea R. H. Miller 1949-1 47 Napa Highway 37, about 10 miles NE of Napa. Comment
  UCD13126  Medicago arabica Kathleen Worden 1981-4-28 3 Napa Napa CO. on highway 128, 2.4 miles southeast of Moskowitz Corner; shaded creekside. Comment
  UCD18036  Medicago polymorpha Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 587 Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley, just E of site of old town of Knoxville. Near old Osage orange tree by creek. 402 Comment
  UCD48972  Medicago polymorpha L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 5 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along stream that runs along the E side of South Decker Canyon Rd. S of North Decker Canyon Rd. and N of the Cut-Off Rd. 152 Comment
  CAS-BOT-BC269418  Melica californica John Thomas Howell 1931-4-3 6123 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range Comment
  JEPS76280  Melica californica W. L. Jepson 1943-5-15 20774 Napa Knoxville Ridge Comment
  UCD148797  Melica californica Ellen Dean; Diana Hickson 2014-4-29 8104 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD86929  Melica californica Beecher Crampton 1962-5-16 6438 Napa Napa county. 0.5 mile east Chiles Valley School, along state Hwy. 128. Comment
  SEINET196999 Image available Melica californica var. californica W. S. Boyle 1942-4-26 1071 Napa 10 mi N of Napa on Silvarado Trail Rd Comment
  CAS-BOT-BC282168  Melica geyeri Peter H. Raven 1952-8-26 5154 Napa Lokoya 487 Comment
  CAS-BOT-BC282169  Melica geyeri A. A. Heller 1924-4-12 13846 Napa About 5 miles S of Calistoga Comment
  CDA11436  Melica geyeri G. F. Hrusa, M. Tu 1995-5-6 12159 Napa North Coast Biodiversity Arena; Shade of Quercus garryana at edge of redwood forest along Moores Creek in Las Posadas State Forest. Small colony, along steep slope approx 40 ft. above creek. Perennial. Comment
  JEPS122914  Melica geyeri Jake Ruygt 2005-3-19 4700 Napa Lower Ritchey Creek. Quad: Calistoga. Comment
  JEPS122950  Melica geyeri Jake Ruygt 1983-4-1 1400 Napa Redwood Road north of Mt. La Salle. Quad: Sonoma. Comment
  CDA32499  Melica geyeri Unknown 1928-3-15 s.n. Napa Blake Estate, east of Pacific Union College. 0 Comment
  CHSC30531  Melica geyeri var. aristulata N. E. H. Prouty 1980-4-12 124 Napa Along Hwy. 29, roadmarker 41.12. Ca. 4 1/2 mi. SW of Robert Louis Stevenson State Park. Western slope of Mt. St. Helena. 243 Comment
  JEPS76084  Melica torreyana W. L. Jepson 1938-5-22 18813 Napa Pope Valley; Limekiln Creek Canyon Comment
  LA12170  Melica torreyana Alice Eastwood; 1922-5-4 11247 Napa Calistoga Comment
  UC421629  Melica torreyana Alice Eastwood 1922-5-4 11247 Napa Calistoga Comment
  UCD36953  Melica torreyana Beecher Crampton 1956-5-25 3487 Napa Howell Mountains. Comment
  SEINET10599685  Melica torreyana David D. Keck 1931-4-2 Keck 1034 Napa Wooden valley road, east side of Napa Range, 8 miles from Napa. Comment
  JEPS129115  Melilotus officinalis Jake Ruygt 2009-6-27 5456 Napa Hunting Creek near Morgan Valley. Jericho Valley 7.5' Quad. Comment
  UC2061507  Melissa officinalis Dean G. Kelch 2016-7-9 16 .153 Napa Napa Valley: Yountville. Along creek east of city buildings. Comment
  CDA34659  Mentha X piperita L. Ahart 2009-10-12 16439 Napa Along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. Comment
  RSA769187  Mentha X piperita L. Ahart 2009-10-12 16439 Napa Along Capell Creek south of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 air miles west of Winters 135 Comment
  JEPS112572  Mentzelia dispersa Jake Ruygt 1989-5-20 2337 Napa Vaca Mtns. about 1 mile north of Mt. Vaca 822 Comment
  UCD102808  Micranthes californica D. H. Hartmann 1942-3-7 s.n. Napa in a canyon of Green Valley. Comment
  JEPS106898  Micropus amphibolus Jake Ruygt 1991-5-18 2675 b Napa Fawn Lake, Friesen's Lakes, Angwin 597 Comment
  CDA37353  Micropus californicus D. G. Kelch 2010-5-6 10 .168 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  SFV4057  Micropus californicus J. M. Tucker 1965-5-15 3829 Napa Along headwaters of Zim Zim Creek, about 0.5 miles west of Devilhead Road and about 3 miles south southwest of Knoxville. Comment
  SEINET205166  Micropus californicus var. californicus J. M. Tucker 1965-5-15 3829 Napa Along headwaters of Zim Zim Creek ca .5 mi W of Devilhead Rd ca 3 mi SSW of Knoxville Comment
  UC527930  Micropus californicus var. californicus R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6655 Napa roadside 5 mi e St. Helena (on road to Pope Valley) 304 Comment
  UCD18059  Micropus californicus var. californicus Ellen Dean; with Plant Biology 102 class 2000-4-22 614 Napa Napa County. McLaughlin Reserve. First ridge south of Knoxville -- Berryessa Rd., east side of Devil Head Rd., along road to air quality station. 548 Comment
  RSA695589  Micropus californicus var. californicus Keith E. Hoffmaster 1939-4-6 912 Napa Putah Canyon, Coast Range Comment
  CAS-BOT-BC348970  Microseris douglasii subsp. douglasii David D. Keck 1933-5-29 2351 Napa Pope Creek bridge south of Walters Springs Comment
  JEPS36148  Microseris douglasii subsp. douglasii Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin, Conn Valley Comment
  CAS-BOT-BC348967  Microseris douglasii subsp. douglasii John Thomas Howell 1931-4-3 6112 Napa Pope Creek, 7 miles from Monticello, Napa Range Comment
  CAS-BOT-BC349184  Microseris elegans David D. Keck 1931-4-4 1093 Napa Geysers just NW. of Calistoga, northwestern Napa County Comment
  POM53428  Microseris lindleyi C. F. Baker 1903-4-20 2609 Napa Mt. St. Helena. Comment
  UC1778559  Mimulus angustatus S. E. Schoenig 1998-6-5 98 -22 Napa 20 meters E of Ink Grade Rd., 0.5 miles NW of intersection with Howell Mtn Rd. 548 Comment
  UC1196827  Mimulus arvensis J. P. Tracy 1899-6-11 362 Napa 3-4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 365 Comment
  JEPS11341  Mimulus arvensis Willis L. Jepson 1893-4-26 12 m Napa Yountville Napa River Basin Comment
  JEPS11536  Mimulus arvensis W. L. Jepson 1915-4-23 6238 Napa hills e St. Helena 182 Comment
  UCD14921  Mimulus aurantiacus Wesley Ebert 1977-4-16 34 Napa 6 miles south west of Monticello Dam, along the east side of Highway 128 above East Bull Canyon. 213 Comment
  HSC45331  Mimulus aurantiacus var. aurantiacus R. York 1978-4-8 104 Napa 2 mi. W of Angwin on Hwy. 128 305 Comment
  CDA41660  Mimulus bolanderi S. E. Schoenig 1998-6-3 98 -20 Napa Research Hill, 0.1 mile southwest of Devilhead Road, 0.5 mile southwest of Knoxville-Berryessa Road, 1 mile northwest of Homestake Mine. Comment
  UC1177879  Mimulus bolanderi Francia Chisaki 1957-5-30 970 Napa between Chiles Valley and Monticello; Soda Creek Comment
  UC444809  Mimulus congdonii J. P. Tracy 1902-5-16 1506 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 365 Comment
  RSA309180  Mimulus guttatus W. L. Jepson 1893-5-1 13 Napa Calistoga. Comment
  CAS-BOT-BC7389  Mimulus guttatus var. gracilis Charles Fuller Baker 1903-4-20 2608 Napa Mt. St. Helena Comment
  UC147918  Mimulus inodorus J. P. Tracy 1905-7-6 2220 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain 457 Comment
  UC27065  Mimulus inodorus Willis L. Jepson 1895-11-26 Napa Angwin's Meadow Napa River Basin Comment
  JEPS128916  Mimulus latidens Juanita Duran 2000-4-18 4227 Napa Saint Helena; Spring street, 1.5 west of Highway. Rutherford 7.5' Quad. Comment
  RSA309393  Mimulus latidens W. L. Jepson 1893-4-27 31 Napa Lower Napa Valley, Napa River Basin. Comment
  CDA41702  Mimulus layneae S. E. Schoenig 1998-6-3 98 -21 Napa Research Hill, 0.1 mile southwest of Devilhead Road, 0.5 mile southwest of Knoxville-Berryessa Road, 1 mile northwest of Homestake Mine. Comment
  JEPS8205  Mimulus layneae W. L. Jepson 1893-6-26 35 m Napa Howell Mountain Comment
  JEPS81962  Mimulus layneae Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9102 Napa about 6 1/2 mi se Knoxville (on a flat 1/2 mi due n of Cedar Valley) 609 Comment
  JEPS10453  Mimulus microphyllus Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Comment
  JEPS85027  Mimulus microphyllus Larry Heckard, Mary Ashton 1969-5-3 2212 Napa ca. 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd., above and w of meadow) 510 Comment
  UC147909  Mimulus microphyllus J. P. Tracy 1902-5-21 1584 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mountain 365 Comment
  UCD48232  Mimulus microphyllus Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 2 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  UCD63062  Mimulus microphyllus Daniel Sanchez-Mata 2006-6-11 s.n. Napa Knoxville Public Lands. 650 Comment
  JEPS11360  Mimulus nasutus W. L. Jepson 1921-5-6 9172 Napa Yountville 30 Comment
  JEPS11429  Mimulus nasutus W. L. Jepson 1921-5-6 9169 Napa Yountville 30 Comment
  UC725781  Mimulus nasutus A. A. Heller 1940-4-22 15545 Napa Knight's Valley Comment
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Jun 25 2013
  UCD122792  Mimulus nudatus J. M. Tucker 1965-5-15 3826 Napa Devilhead Road, Cedar Valley, ca. 4 miles (airline) south, and a little west, of Knoxville. 655 Comment
  UC147883  Mimulus pulsiferae J. P. Tracy 1902-5-21 1608 Napa 3-4 mi e Angwin's (head of Moore's Creek, dry stream bed); Howell Mountain, La Jota Plateau 518 Comment
  CAS-BOT-BC174562  Minuartia californica Alice Eastwood; John Thomas Howell 1937-4-4 3827 Napa Wooden Valley Grade east of Napa Comment
  UC1301217  Minuartia californica Helen K. Sharsmith 1963-3-17 5225 Napa Mt. Atlas San Francisco Bay Region (s side) 609 Comment
  SBBG50727  Minuartia californica H. Matchett 1965-3-13 54 Napa 3 mi E of Middletown 304 Comment
  SFV8436  Minuartia californica H. Matchett 1965-3-13 54 Napa 3 miles east of Middletown. 305 Comment
  CAS-BOT-BC388753  Minuartia douglasii Carl B. Wolf 1928-5-3 1791 Napa 2 miles south of Hawkins Mount Inn Camp Comment
  CAS-BOT-BC388757  Minuartia douglasii John Thomas Howell 1931-4-19 6458 Napa Conn Valley Comment
  UCD148764  Minuartia douglasii Jake Ruygt 2007-5-17 5177 Napa Napa County; Duff Ranch, NW of Potato Hill. 777 Comment
  UCD169787  Minuartia douglasii Daniel Potter; Ninh Khuu, Max Potter, James Shoulders 2015-4-18 795 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 446 Comment
  UCD166664  Monardella douglasii Jake Ruygt 1990-5-26 2565 Napa American Canyon on old Avila Ranch. 67 Comment
  CAS-BOT-BC220620  Monardella villosa John Thomas Howell 1930-7-13 5349 Napa Edge of the Crater Country Comment
  JEPS110829  Monardella villosa subsp. villosa Jake Ruygt 1979-6-9 680 Napa 11.7 miles north of Pope Canyon Rd. on Berryessa-Knoxville R 234 Comment
  UCD166667  Monardella villosa subsp. villosa Jake Ruygt 2007-6-2 5220 Napa Duff Ranch, road above Simmons Canyon. 573 Comment
  CAS-BOT-BC220690  Monardella viridis Elizabeth McClintock 1952-8-31 52 -602 Napa About 4 miles north of Aetna Springs, in Butts Canyon Comment
  JEPS110827  Monardella viridis subsp. viridis Jake Ruygt 1988-7-12 3513 Napa Taylor property, south of Lake Hennessey boatramp on private r 445 Comment
  JEPS2653  Monardella viridis subsp. viridis W. L. Jepson October 1894 70 d Napa Upper Conn Valley Napa Range; Upper Conn Valley, Napa Range Comment
  JEPS55473  Monardella viridis subsp. viridis W. L. Jepson 1893-5-4 32 f Napa Mt. St. Helena Comment
  SEINET10582241  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 369 Napa Rte. 128 from St. Helena to Winters, just west of the junction of Rte. 128 and Pope Valley Rd., on top of road cut across from Nichilini Winery. Locally infrequent on serpentine, in the semi-shade of Pinus coulteri, Quercus durata var. durata, Umbellularia californica, Heteromeles arbutifolia, Adenostema fascicularis, Arctostaphylos sp. End of bloom. Comment
  JEPS34925  Monolopia major C. F. Sonne Apr. 1888 Napa fields near Napa Junction Comment
  CAS-BOT-BC444851  Montia fontana Alice Eastwood 1922-3-25 11091 Napa Calistoga Comment
  JEPS120375  Morus alba Jake Ruygt 1989-9-25 2412 Napa Napa River about 1/2 mile north of Trancas Street, Napa. Napa 7.5' Quad. Comment
  JEPS110883  Myosurus minimus Jake Ruygt 1982-3-26 1147 Napa Suscol plain east of Kaiser (Rocktram) 3 Comment
  UC187243  Nassella cernua Joseph P. Tracy 1904-5-23 2096 Napa hills e Calistoga; Northern Coast Ranges 243 Comment
  UCD82602  Nassella lepida Ellen Dean; T. Starbuck 2009-5-4 5540 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  UCD87897  Nassella lepida Jack Maze 1964-3-8 49 Napa 3 miles southwest of Monticello Dam, State Highway 128. Comment
  UCD87956  Nassella lepida J. Street 1950-4-25 s.n. Napa 4 miles east of Rutherford. Comment
  SEINET11695741  Nassella lepida Unknown 1956-5-25 3481 Napa Howell Mountains, above SW corner of Wooden Valley Comment
  CAS-BOT-BC260183  Nassella pulchra David D. Keck 1931-4-2 1004 Napa Foot of Wooden Valley grade, 4 miles NE of Napa 50 Comment
  UC187237  Nassella pulchra J. P. Tracy 1902-5-21 1581 Napa head of creek 3-4 mi e Angwin's; Howell Mountain, Moore's Creek 457 Comment
  CAS-BOT-BC60335  Nasturtium officinale E. Ruckert 1960-5-8 145 Napa 6495 Dry Creek Road. Few feet from gate spring, in overflow stream. 365 Comment
  CAS-BOT-BC60336  Nasturtium officinale Betty H. Johnson 1958-6-15 636 Napa Near Spring, 0.5 mile above Mount Mill House, 6.4 miles southwest of Middletown. Comment
  CAS-BOT-BC230262  Navarretia cotulifolia Peter H. Raven 1952-5-26 4054 Napa 3 miles E of Pope Valley P. O. on Monticello Road 182 Comment
  JEPS120361  Navarretia cotulifolia Jake Ruygt 1982-5-19 1283 Napa 2 miles south of Walter Springs bridge on Pope Canyon Road. Aetna Springs 7.5' Quad. Comment
  UCD167175  Navarretia divaricata subsp. vividior Jake Ruygt 2006-7-3 5066 Napa Mead Ranch on 'Old Wagon' trail. 472 Comment
  JEPS46278  Navarretia heterodoxa W. L. Jepson 1942-8-4 20731 Napa Adam-and-Eve Ridge Howell Mt. Comment
  UCD160711  Navarretia intertexta subsp. intertexta Ellen Dean; Jake Ruygt 2015-5-23 8770 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Headwaters of Nevada Creek.NE corner of land parcel. 592 Comment
  UCD167182  Navarretia intertexta subsp. intertexta Jake Ruygt 1989-6-17 2373 Napa Bear Valley. 633 Comment
  JEPS112531  Navarretia jepsonii Jake Ruygt 1993-5-22 3264 Napa on private road across from James Creek Rd at Butts Canyon Rd 207 Comment
  SD3929  Navarretia jepsonii Katherine Brandegee 1910-7-26 Napa Near Aetna Springs Comment
  UCD167140  Navarretia jepsonii Jake Ruygt 2015-5-23 6111 Napa Missimer - Snell Valley Preserve. 178 Comment
  UCD167185  Navarretia jepsonii Jake Ruygt 1996-5-31 3723 Napa South of James Circle road and Butts Canyon Road, Pope Valley. 204 Comment
  JEPS112556  Navarretia mellita Jake Ruygt 1985-6-15 1611 Napa SW of Rancho Monticello on ridgeline 365 Comment
  POM64976  Navarretia mellita Katherine Brandegee 1910-7-26 s.n. Napa Pope Valley Comment
  UCD167191  Navarretia mellita Jake Ruygt 1989-7-1 2395 Napa Vaca Mountains about 2 miles north of Mt. Vaca. 755 Comment
  JEPS41315  Navarretia pubescens W. L. Jepson 1943-5-15 20838 Napa Knoxville Ridge Comment
  UCD19338  Navarretia pubescens M. A. Bibbo; E. Dean 2001-7-6 31 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near point of Quail Ridge, just north of powerline, ca. 0.6 air miles from jct of W and E roads, on top of ridge. 251 Comment
  RSA92795  Navarretia pubescens P. H. Raven 1951-3-26 2879 Napa Butts Canyon . 305 Comment
  UC1220970  Navarretia squarrosa Beecher Crampton 1962-10-9 6695 Napa 1.25 mi sw Angwin (Howell Mtn Road, along Conn Creek); Conn Creek Comment
  JEPS70480  Navarretia tagetina Willis L. Jepson 1893-6-26 15027 Napa Howell Mt. Napa River Basin Comment
  SEINET196694  Navarretia tagetina Herbert L. Mason 1934-4-30 8110 Napa Tributary of Putah Creek, Pope Valley. Comment
  JEPS70512  Navarretia viscidula W. L. Jepson 1901-8-6 1736 Napa near Bottle Mt.; Napa River Basin, St. Helena Comment
  UCD48715  Navarretia viscidula Herbert L. Mason 1935-5-30 8321 Napa Fields just south of the Napa State Hospital, Napa County, California. Comment
  RSA292975  Nemacladus capillaris Reino Alava 1957-5-30 1007 Napa About one half mile toward Monticello from junction of the road to Monticello and State Highway 128. Comment
  SEINET10873103  Nemacladus capillaris Baker 1947-7-7 Baker 11852 Napa At end of wood road leading south from Mount St. Helena Inn towards "The Crater" 914 Comment
  JEPS129026  Nemacladus montanus Jake Ruygt 2016-5-7 6241 Napa Smittle Creek west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  SEINET10461249  Nemacladus montanus Mason 1935-5-30 Mason 10000 Napa 4 miles north of Knoxville Mines Comment
  SEINET10461255  Nemacladus montanus Hoffman 1952-5-24 HOFFMAN s.n. Napa Sage Canyon road, 8.3 miles west of the junction of the Monticello, Sage Canyon and Winters roads Comment
  SEINET10873473  Nemacladus montanus Willis L. Jepson 1920-5-25 Jepson 9037 Napa Knoxville Ridge, northeast Napa County Comment
  RSA60779  Nemophila heterophylla L. R. Abrams 1928-5-3 12235 Napa Summit St. Helena Grade Comment
  RSA699652  Nemophila heterophylla Keith E. Hoffmaster 1946-3-23 s.n. Napa Napa range, along Napa-Monticello road. Comment
  UCD120062  Nemophila heterophylla G. L. Webster 1967-3-23 7488 Napa Along Chiles Creek c. 1 mi SW Chiles Grist Mill, Pope Valley Rd. 137 Comment
  UCD37576  Nemophila heterophylla Beecher Crampton 1955-4-7 2452 Napa Napa County, at border with Solano and Yolo Counties, 7 miles west of Winters, 0.25 mile west of Recreation Beach of Putah Creek, Vaca Mountains, east facing slope of Cold Canyon. Comment
  UCSB5319  Nemophila heterophylla Kamb, Peter; Chisaki, Francia 1950-4-22 Napa West side of Wooden Valley on California Highway #37; 500 feet above valley floor 304 Comment
  JEPS1514  Nemophila heterophylla John Thomas Howell 1926-3-20 1694 Napa Old toll road to Mt. St. Helena Comment
  POM65290  Nemophila heterophylla C. F. Baker 1903-4-20 2610 Napa Mt. St. Helena. Comment
  UCD23400  Nemophila heterophylla Eva Kurth 1977-4-10 182 Napa Corolla white. On rocky, SE facing slope 200 yds east of Monticello Dam on Highway 128. Comment
  JEPS3116  Nemophila menziesii Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas; near Atlas Comment
  SFV12280  Nemophila menziesii L. Chang 1965-3-19 3 Napa Field besied Dollarhide Road, about 3-4 miles east of Pope Valley. 150 Comment
  UCD23405  Nemophila menziesii Leslee Newton 1977-4-16 6 Napa Erect plants 2-4 inches tall, leaves green, pinnately lobed and pubescent, stems also pubescent. Flower petals with blue margins and veins, the rest white. Foothill woodland, scattered patches of 3-4 individuals in open field. 6.4 miles SSW of Monticello Dam on Highway 128. 182 Comment
  CDA11624  Nemophila menziesii var. atomaria G. F. Hrusa, S. Larson 1995-4-1 12063 Napa North Coast Biodiversity Arena; Along Chiles Valley/Pope Valley Rd. approx 2 m. S of Pope Canyon Rd. intersection. Comment
  UCR12042  Nemophila menziesii var. atomaria Coleta A. Lawler 1970-1 253 Napa North Coast Range, Chiles-Pope Road, 3.3 mi. south of Pope Valley 198 Comment
  JEPS110862  Nemophila menziesii var. atomaria Jake Ruygt 1995-3-21 3409 Napa In small meadow on floodplain of creek; igneous rock; Mixed Evergreen Forest 108 Comment
  UCD118354  Nemophila menziesii var. menziesii Reed Crane; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, on Recreation flat. 387 Comment
  POM65370  Nemophila parviflora var. parviflora H. P. Chandler 1907-5-14 7569 Napa White Sulphur Springs. 150 Comment
  UCD166686  Nemophila pedunculata Jake Ruygt 1991-3-11 2668 Napa intersection of Aetna Extension Rd and Oat Hill Mine Rd. 670 Comment
  JEPS122702  Nerium oleander Jake Ruygt 2002-10-8 4463 Napa Berryessa-Knoxville Road at the outflow of Smittle Creek in the lake. Quad: Chiles Valley. Comment
  UCD38861  Nicotiana quadrivalvis Beecher Crampton 1962-10-9 6700 Napa 1.25 miles southwest Angwin, Howell Mtn. Road. Conn Creek. Comment
  UC723786  Odontostomum hartwegii Joseph Andorfer Ewan 1934-4-30 8811 Napa Sarco Creek 4 mi. above Napa; Sarco Creek Comment
  JEPS104517  Oenanthe sarmentosa Jake Ruygt 1981-7-20 1069 Napa Fagan's Marsh 1 Comment
  UCD148553  Oenanthe sarmentosa Jake Ruygt 1992-7-22 3110 Napa Napa County, Wooden Valley, south end, on Wild Horse Valley Ranch. 179 Comment
  UCD167255  Orobanche bulbosa Jake Ruygt 1987-5-9 1978 Napa 3.9 miles east of Atlas Peak Road on Monticello Road. 396 Comment
  CAS-BOT-BC238388  Orthocarpus M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  CAS-BOT-BC238389  Orthocarpus C. F. B. 1903-5-8 2965 Napa Knoxville Comment
  SEINET4854296  Orthocarpus lacerus Carl F. Baker 1903-5-8 2965 Napa Knoxville. Comment
  RSA516486  Orthocarpus lithospermoides var. lithospermoides R. Wilcox 1944-5-9 s.n. Napa Conn Valley, Napa Valley Comment
  RSA195370  Orthocarpus purpurascens Gilbert Muth 1967-4-16 634 Napa Snell Valley. 183 Comment
  JEPS15890  Osmorhiza berteroi John Benson 1887-1-1 Napa Comment
  JEPS43137  Oxalis W. L. Jepson 1936-6-2 17613 Napa hills to e Yountville; Napa Valley Comment
  JEPS106862  Packera breweri Jake Ruygt 1988-5-1 2163 Napa west of Butts Canyon Rd. on Aetna Springs Rd. 216 Comment
  UCD37945  Packera eurycephala Beecher Crampton 1962-5-16 6427 Napa 0.75 mile E of Aetna Springs. Comment
  JEPS81214  Packera eurycephala var. eurycephala Douglas W. James Jr. 1973-5-5 97 Napa near, not far from road that runs through the ranch MacDonald Ranch property line; Las Posadas State Forest, Pope Valley 411 Comment
  JEPS13749  Packera eurycephala var. eurycephala Frank W. Gould 1939-4-6 616 Napa 1.0 mi n Knoxville (on road to Lower Lake) 457 Comment
  UC912546  Packera eurycephala var. eurycephala Herbert L. Mason 1934-4-30 8108 Napa Pope Canyon Comment
  CAS-BOT-BC316942  Packera greenei Beecher Crampton 1957-6-4 4098 Napa above Capell Creek, north end of Capell Valley Comment
  JEPS106859  Packera greenei Jake Ruygt 1996-6-1 3734 Napa HWY 128 about 3/4 mile north of Turtle Rock Cafe. 377 Comment
  JEPS23639  Packera greenei R. F. Hoover 1941-6-8 5319 Napa e side Mt. St. Helena Comment
  OBI77572  Packera greenei David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-6 24506 Napa Just south of Lake Hennessy on south side of Highway 128 Comment
  JEPS122963  Panicum acuminatum var. acuminatum Jake Ruygt 1986-5-10 1760 Napa Devil's Canyon, above the falls. Quad: Mt. Sonoma. Comment
  JEPS122965  Panicum acuminatum var. acuminatum Jake Ruygt 1986-5-5 1748 Napa NW slope of Mt. George. Quad: Mt. George. Comment
  UCD89789  Panicum capillare subsp. hillmanii Beecher Crampton 1974-9-19 9089 Napa south of Yountville. Comment
  UC1198828  Parvisedum pumilum Joseph P. Tracy 1933-4-30 12116 Napa Howell Mountain near Toland House Howell Mountain 457 Comment
  UC765007  Parvisedum pumilum R. F. Hoover 1941-4-27 4945 Napa Hill near Yountville Comment
  UCD88729  Paspalum dilatatum Beecher Crampton 1962-10-9 6699 Napa 1.25 miles southwest Angwin, Howell Mtn. Road. Conn Creek. Comment
  CAS-BOT-BC202809  Paxistima myrsinites James R. Shevock; Roger Raiche 1989-4-17 11850 Napa Trail to the Cedars off of California hihway 29 east of Roert Louis Stevenson Memorial State Park 762 Comment
  CDA10891  Pectocarya pusilla G. F. Hrusa, M. Rejmanek 1993-5-15 10986 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  UCD17972  Pectocarya pusilla Ellen Dean; Kate Mawdsley 2001-4-9 691 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  UCD74366  Pectocarya pusilla Jake Ruygt 1981-4-18 978 Napa Harris Canyon west of Blue Ridge. 243 Comment
  UCD169887  Pedicularis densiflora Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 726 Napa Knoxville Wildlife Area. 311 Comment
  UCR20384  Pedicularis densiflora D. V. Hemphill, J. C. Roos 1949-4-16 4289 Napa North Coast Range, Pacific Union College, Howell Mountain 499 Comment
  UCR196230  Pellaea andromedifolia Yumee Kim, L. Bachman, P. Lalbhai 2002-4-13 06 Napa McLaughlin UC Reserve. North of Berryessa-Knoxville Road, just southwest of the old town of Knoxville 427 Comment
  CAS-BOT-BC69209  Pellaea andromedifolia W. R. Dudley 1895-2-23 s.n. Napa Knights Valley Comment
  CAS-BOT-BC71384  Pellaea mucronata Peter H. Raven 1954-1-22 6387 Napa Soda Springs Canyon just north of the Resort 213 Comment
  JEPS129056  Pellaea mucronata var. mucronata Jake Ruygt 2016-12-3 6298 Napa Butts Canyon southwest of Snell Peak. Aetna Springs 7.5' Quad. Comment
  UCD149673  Pellaea mucronata var. mucronata Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road 140 Comment
  JEPS11373  Penstemon heterophyllus var. heterophyllus Alice King July, 1919 Napa Van Ness Ranch , Van Ness Ranch (Mt. St. Helena) Comment
  JEPS7561  Penstemon heterophyllus var. heterophyllus W. L. Jepson 1936-5-31 17566 Napa Howell Mt. betw. Toland House and Angwin; Howell Mt. btw Toland House and Angwin Comment
  UCD137745  Pentagramma triangularis G. F. Hrusa; G. L. Stebbins 1994-3-11 11595 Napa Las Posadas State Forest, east of fire station in upper drainage of Moore Creek. 450 Comment
  JEPS122754  Perideridia gairdneri subsp. gairdneri Jake Ruygt 2005-8-13 4944 Napa Across Highway 29 from Old Bale Mill. Quad: Calistoga. Comment
  JEPS129109  Perideridia oregana Jake Ruygt 2015-6-13 6128 Napa Fernandes - Snell Peak, Land Trust. Aetna Springs 7.5' Quad. Comment
  UCD127876  Perideridia oregana Robert E. Preston 1987-6-16 563 B Napa ca. 1.5 miles southeast of of Big Chain. 182 Comment
  UCD149604  Persicaria lapathifolia Stephen P. Rae; Ayzik Solomeshch 2006-5-30 s.n. Napa On the north side of Soscol Ridge, south of the city of Napa, ca. 3/4 km east of Highway 121, on the south side of Soscol Creek. 25 Comment
  CAS-BOT-BC419301  Persicaria punctata Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  UCD148794  Petrorhagia dubia Ellen Dean; Diana Hickson 2014-4-29 8102 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD47958  Petrorhagia dubia Ryan Knox; E. McDermott and G. Walden 2002-4-13 9 Napa Napa Co., McLaughlin Natural Reserve, from old town of Knoxville travel 0.4 miles south, turn west along Berryessa-Knoxville Rd. and continue 0.7 miles. Collected on north side of road near calcium seep area. 453 Comment
  UCD98375  Petrorhagia dubia Carol Chapman 1978-4-23 20 Napa Hwy 128, 4 miles east of intersection of Hwy 128 and Chiles Pope Valley Road. 487 Comment
  POM65431  Phacelia californica C. F. Baker 1903-4-19 2601 Napa St. Helena. Comment
  UCR45092  Phacelia corymbosa L. F. LaPre 1985-4-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon,' 2 mi SW of Knoxville, just east of Lake Co. Line 367 Comment
  JEPS2386  Phacelia distans Mrs. Mary Van E. Ferguson 1919-4-13 Napa near Atlas Mt. Comment
  UC24346  Phacelia distans Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin Comment
  UCD81820  Phacelia distans Ellen Dean 2009-4-24 5447 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UCSB5366  Phacelia distans Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Canyon of Sage Creek, 1.8 miles east of end of Conn Lake 76 Comment
  JEPS2147  Phacelia egena W. L. Jepson 1924-5-8 10413 Napa Pope Creek Comment
  JEPS78807  Phacelia egena John W. Willoughby 1977-4-27 2268 Napa s side of State Hwy 128 very near Monticello Dam; Vaca Mountains Comment
  RSA10669  Phacelia egena Carl B. Wolf 1928-5-3 1820 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UC1228238  Phacelia egena J. R. Sweeney, H. L. Mason, R. Bacigalupi 1953-6-8 Napa top of grade of rd over e flank of mt Mt. St. Helena (from Calistoga to Middletown) 670 Comment
  UCD169611  Phacelia heterophylla subsp. virgata Ayzik Solomeshch 2008-4 s.n. Napa north side of Pope Canyon Road ca 2 km west of intersection with Berryessa-Knoxville Road. 140 Comment
  UC1055963  Phacelia imbricata Edw. L. Greene 1891-7-1 Napa near St. Helena Comment
  UC735110  Phacelia imbricata Lincoln Constance, J. F. Davidson, R. H. Shan, and W. H. Wagner 1946-5-18 3047 Napa near Mount St. Helena Inn (se slope of mt.); Mount St. Helena Comment
  RSA170281  Phacelia imbricata subsp. imbricata W. L. Jepson 1936-6-1 17599 Napa Lower slopes of Howell Mountain, Napa Range, near Sanitarium. Comment
  UCSC000588  Phacelia imbricata subsp. imbricata Charisse Bickford 1979-5-14 s.n. Napa about 5 miles west of Winters Winters - Putah Canyon 579 Comment
  UCD120299  Phacelia imbricata var. imbricata H. H. Dickson 1950-4-1 22 Napa Putah Canyon about 5 miles west of Winters. Comment
  JEPS126045  Phacelia suaveolens var. suaveolens Jake Ruygt 1989-5-13 2323 Napa Vaca Mount about 1 mile north of Mt. Vaca. Mount Vaca 7.5' Quad. Comment
  JEPS110798  Phacelia tanacetifolia Jake Ruygt 1998-4-18 3926 Napa Blue Ridge about 1.5 mile north of Mays Flat 701 Comment
  CAS-BOT-BC265790  Phalaris aquatica T. H. Kearney 1951-6-16 s.n. Napa Along Vichy Road ca. 2 mi. from Napa Comment
  JEPS122958  Phalaris paradoxa Jake Ruygt 1988-5-29 2207 Napa Northeast corner of Napa County; Homestake. Quad: Jericho Valley. Comment
  JEPS71084  Phlox gracilis W. L. Jepson 1893-4-24 15056 Napa e of St. Helena; Napa River Basin Comment
  JEPS40268  Phoradendron densum Lauramay T. Dempster 1965-5-16 4095 Napa rd. below Cedar Valley toward KNoxville 426 Comment
  UCR115095  Phoradendron densum G. Fred Hrusa 1993-10-3 11427 Napa 2.1 mi SW along Knoxville-Devilhead Rd. from Knoxvlle-Berryessa Rd. 440 Comment
  CAS-BOT-BC171138  Phoradendron serotinum subsp. tomentosum Peter H. Raven 1951-8-19 3851 Napa near Lokoya 457 Comment
  CAS-BOT-BC171139  Phoradendron serotinum subsp. tomentosum J. J. Walters 1932-3-6 s.n. Napa St. Helena Comment
  CAS-BOT-BC140549  Physocarpus capitatus Peter H. Raven 1950-6-20 2346 Napa In the Napa Range between Conn Valley and Howell Mtn. Comment
  UC466696  Physocarpus capitatus H. P. Chandler 1907-5-12 7565 Napa White Sulphur Spring St. Helena Comment
  UCD108157  Pickeringia montana Beecher Crampton 1959-11-2 BC- 111 Napa North end of Capell Valley, above Capell Creek. Comment
  JEPS107240  Pickeringia montana var. montana Jake Ruygt 1976-5-18 93 Napa 5.3 miles west of Madronna St. on Spring Mountain Rd. 615 Comment
Read comments
Aug 15 2010
  CAS-BOT-BC73326  Pinus attenuata L. R. Abrams 1928-5-4 12273 Napa Near summit Mt. St. Helena. Comment
  CAS-BOT-BC73374  Pinus attenuata Peter H. Raven 1951-8-21 3876 Napa Mt. Veeder 792 Comment
  RSA15670  Pinus attenuata C. B. Wolf 1928-2-25 1501 Napa Mt. St. Helena 1 mile beyond summit on road to Middletown. Comment
  SD136373  Pinus attenuata Carl B. Wolf 1928-2-25 Napa Mount Saint Helena Grade Comment
  UCD133139  Pinus attenuata Beecher Crampton 1962-5-16 6431 Napa 0.5 mile W of Aetna Springs. Comment
  JEPS46897  Pinus sabiniana W. L. Jepson 1901-8-1 Napa St. Helena Comment
  JEPS48212  Pinus sabiniana W. L. Jepson 1906-12-1 2626 Napa above Sanitarium; St. Helena Comment
  UCD118541  Pinus sabiniana Roxanne Faure; Plant Biology 102 Collectors 2012-5-5 1 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 417 Comment
  JEPS102208  Piperia leptopetala J. Greenhouse with Jake Ruygt, Joe Callizo 2000-5-20 5007 Napa Adams Ridge. About 50 feet below Adams Ridge Rd., 1 mi from Devilshead Rd. in Hunting Creek BLM area N of Knoxville. 670 Comment
  JEPS120444  Piperia transversa Jake Ruygt 1995-6-17 3503 Napa Southeast corner of Butts Canyon Road at Snell Valley Rd. Comment
  JEPS64440  Piperia transversa W. L. Jepson 1894-7-19 21272 Napa Calistoga Comment
  UC78139  Plagiobothrys bracteatus Alice Eastwood 1900-5-8 Napa Calistoga Comment
  UC1106288  Plagiobothrys bracteatus Peter H. Raven 1950-5-6 2108 Napa on Old Faithful Geyser road near Rt. 29 (2 mi n of Calistoga) Comment
  UCD74369  Plagiobothrys bracteatus Jake Ruygt 2000-5-17 4254 b Napa di Rosa Preserve, Hwy. 12, northwest of Duhig Rd. 79 Comment
  SBBG28857  Plagiobothrys canescens D. D. Keck 1931-4-3 1057 Napa mouth of Pope Crk, Berryessa Valley, 6 mi NW of Monticello Comment
  UCD74378  Plagiobothrys canescens Jake Ruygt 1982-4-7 1171 Napa Suscol ridge west of Hwy. 221. 24 Comment
  UC24553  Plagiobothrys cusickii Willis L. Jepson 1893-5-8 Napa Angwin's Meadow Napa River Basin, Howell Mt. Comment
  UCD35288  Plagiobothrys fulvus var. campestris Beecher Crampton 1955-4-7 2436 Napa Napa County; 7.8 miles north of Monticello. Comment
  UCD74377  Plagiobothrys fulvus var. campestris Jake Ruygt 1983-4-8 1413 Napa South side of Hwy. 12 at Sonoma Co. line. 88 Comment
  JEPS68096  Plagiobothrys nothofulvus W. L. Jepson 1900-3-9 510 Napa Howell Mt. Comment
  JEPS85055  Plagiobothrys nothofulvus Larry Heckard and Mary Ashton 1969-5-3 2229 Napa ca 7 mi ne Napa (off the Atlas Peak Rd); Mead Ranch 457 Comment
  UC650503  Plagiobothrys nothofulvus Ira L. Wiggins 1928-3-24 2865 Napa above Calistoga (grade onold road to Lake Co.) Comment
  UCD120932  Plagiobothrys nothofulvus M. Wiesendanger 1927-5-4 687 Napa Near Monticello. Comment
  UCD169884  Plagiobothrys nothofulvus Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 723 Napa Knoxville Wildlife Area. 352 Comment
  UCD20918  Plagiobothrys nothofulvus V. (Shorty) Boucher 2002-3-27 9 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Northern end of Quail Ridge peninsula, just north of intersection of upper and lower Ridge Roads, under powerlines. Comment
  UCD48654  Plagiobothrys nothofulvus M. Eng; W. Wong, N. Wannlund, A. Holman 2002-5-4 24 Napa Quail Ridge UC Reserve, northern tip of peninsula. 243 Comment
  UCD81818  Plagiobothrys nothofulvus Ellen Dean 2009-4-24 5445 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UC725968  Plagiobothrys nothofulvus A. A. Heller 1929-3-16 14820 Napa grade near foot of Mt. St. Helena Comment
  UCD120926  Plagiobothrys nothofulvus J. M. Tucker; C. H. Lamoureux and June McCaskill 1957-4-7 3290 Napa Beside 'Silverado Trail', ca. 7.5 miles north of St. Helena, east side of Napa Valley. Comment
  JEPS129019  Plagiobothrys stipitatus var. micranthus Jake Ruygt 2016-5-7 6237 Napa Smittle Creek west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UCR140420  Plagiobothrys stipitatus var. stipitatus Beecher Crampton 1955-4-7 2447 Napa Inner North Coast Ranges, 21.5 miles north of Monticello, 0.5 mile northwest of Knoxville 488 Comment
  JEPS106762  Plagiobothrys strictus Jake Ruygt 1996-4-11 3589 Napa Calistoga Airport 105 Comment
  JEPS106903  Plagiobothrys tenellus Jake Ruygt 1991-5-4 2640 Napa betweed Fawn Lake and Granite Lake Friesen's Lakes 603 Comment
  JEPS41076  Plagiobothrys tener var. subglaber Rimo Bacigalupi, and L. R. Heckard 1965-5-16 9101 Napa ca 7 mi se Knoxville (at head of Devilhead Road, at center of Cedar Valley); Cedar Valley 579 Comment
  UCD77273  Plantago elongata Robert E. Preston 2005-3-10 2315 Napa Mouth of Long Canyon 312 Comment
  JEPS110785  Plantago erecta Jake Ruygt 1982-4-3 1159 Napa .2 mile north of Loma Vista Rd. on Soda Canyon Rd. 73 Comment
  UCD148811  Plantago erecta Ellen Dean; Diana Hickson 2014-4-29 8118 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD18176  Plantago erecta Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  UCD38572  Plantago erecta Beecher Crampton 1956-5-25 3466 Napa Between Wragg Canyon and southeastern Capell Valley. Comment
  UCD49194  Plantago erecta A. Van Houtte; E. Leger and C. Hohn 2001-4-14 17 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, W side of S. Decker Canyon Rd., along SE rim of stock pond in Decker Canyon, W and upslope of ruined cabins. 152 Comment
  UCD81817  Plantago erecta Ellen Dean 2009-4-24 5444 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  UCD124425  Plantago erecta Robert C. Bechtel 1952-4-6 52 Napa Samuel Springs, 7 miles northwest of Monticello. 91 Comment
  JEPS115685  Plantago major Lowell Ahart 2009-10-27 16490 Napa Below the high water line of Lake Berryessa, about 400 yards east of Eticuera Creek, about 300 yards east of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, on the bottom of an unnamed creek, abou 130 Comment
  JEPS51615  Platystemon californicus W. L. Jepson 1923-4-29 9894 Napa St. Helena 91 Comment
  CAS-BOT-BC91874  Platystemon californicus H. L. Mason 1926-3-22 2793 Napa Between Calistoga and Petrified Forest. Comment
  JEPS51587  Platystemon californicus Willis L. Jepson 1893-4-27 Napa near Veteran's Home Yountville (Yountville, Napa Valley); Napa River Basin, Napa Valley Comment
  UC855258  Platystemon californicus Lewis S. Rose 1939-4-16 39066 Napa 6 mi s Napa 30 Comment
  JEPS110898  Plectritis brachystemon Jake Ruygt 1996-5-19 3720 Napa Chiles valley at east end of large meadow. 228 Comment
  JEPS6141  Plectritis brachystemon Bacigalupi and Dempster 1954-5-10 4448 Napa s of Monticello Valley Comment
  UCD137583  Plectritis ciliosa J. D. Skoss 1948-4-1 1 Napa Putah Canyon, 14 miles above Winters. Comment
  JEPS5144  Plectritis ciliosa subsp. ciliosa Miss R. Kuhn 1912-4-17 Napa Oakville Comment
  UC1301169  Plectritis ciliosa subsp. ciliosa Helen K. Sharsmith 1963-4-20 5353 Napa above Wooden Valley (on Monticello Road, e side Napa Range); San Francisco Bay Region, Napa Range San Francisco Bay Regio 243 Comment
  SBBG115606  Pleuropogon californicus B. Crampton 1952-3-24 1031 Napa ca. 8 mi N of city of Napa, along Silverado Rd Comment
  CAS-BOT-BC260957  Pleuropogon californicus var. californicus A. A. Heller 1924-4-12 s.n. Napa Near one of the hot springs, Calistoga Comment
  CAS-BOT-BC254904  Poa bulbosa Peter H. Raven 1953-4-2 5280 Napa Tulucay Creek 228 Comment
  CAS-BOT-BC246685  Poa howellii Beecher Crampton 1956-5-25 3461 Napa East slope of Wragg Canyon, Vaca Mtns. Comment
  CAS-BOT-BC246686  Poa howellii Catherine Best 1980-4-9 s.n. Napa Glass Mountain Rd near the Silverado Trail Comment
  UC184007  Poa howellii Joseph P. Tracy 1902-5-16 1510 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mt 335 Comment
  SACT002005  Poa scabrella John Willoughby 1977-4-27 Napa Along State Highway 128 very near Monticello Dam, north-facing, rocky slope on south side of highway. Comment
  CDA31320  Poa secunda D. G. Kelch 2010-5-6 10 .186-B Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  CAS-BOT-BC242897  Poa secunda subsp. secunda Peter H. Raven 1950-4-15 1719 Napa Silverado Trail outside of Napa 15 Comment
  JEPS122928  Poa secunda subsp. secunda Jake Ruygt 1990-4-8 2469 b Napa Milliken Reservoir, property of City of Napa. Quad: Capell Valley. Comment
  HSC14300  Pogogyne douglasii J. P. Tracy 1903-5-15 1863 Napa Napa Valley, near Calistoga 91 Comment
  UC1239670  Pogogyne douglasii Joseph P. Tracy 1903-5-15 1863 Napa Napa Valley, near Calistoga 91 Comment
  UC1988909  Pogogyne douglasii John Thomas Howell 1929-5-30 4278 Napa 3 miles from Pope Valley on road to Pope Creek Canyon Comment
  JEPS62429  Pogogyne douglasii W. L. Jepson 1938-6-8 18898 Napa Playa Snell Valley Comment
  UC25589  Pogogyne douglasii W. H. Brewer 1861-11-4 855 Napa Napa Valley Comment
  UC1299487  Polycarpon tetraphyllum Freed W. Hoffman 1946-8-20 1855 Napa Conn Reservoir; North Coast Ranges, Conn Reservoir Comment
  UCD98411  Polycarpon tetraphyllum Irving Grover 1954-6-29 s.n. Napa from farm buildings. Comment
  RSA10666  Polygala californica Carl B. Wolf 1928-5-3 1823 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD170183  Polygala californica Daniel Potter; Ninh Khuu, James Shoulders, Max Potter 2015-4-4 774 Napa Knoxville Wildlife Area, northwest of Zim Zim Falls. 463 Comment
  UCD170188  Polygala californica Daniel Potter; Ninh Khuu, Travis Parker, Coralie Donkers 2015-3-26 769 Napa east of Knoxville Devilhead Road, west of Knoxville Wildlife Area. 563 Comment
  RSA114988  Polygala californica E. K. Balls, Lee W. Lenz 1955-5-17 20764 Napa 7.6 miles south of Lake-Napa county line along State Highway 20, Middletown to Calistoga 442 Comment
  RSA292917  Polygala californica Reino Alava 1957-5-30 987 Napa 4.2 miles (four and 2 tenths of a mile) north of the junction of Highways 37 and 128, on State Highway 128. Comment
  SEINET5744520 Image available Polygala californica Timothy P. King 1973-1 115 Napa E side of State Hwy 121, 9.6 miles from its junction with State Hwy 128, W side of Lake Berryessa.; Lake Berryessa Comment
  CHSC102524  Polygonum arenastrum Lowell Ahart 2009-10-12 16437 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winters. 133 Comment
  JEPS51315  Polygonum aviculare subsp. aviculare W. L. Jepson 1893-6-26 Napa Howell Mt. Napa Range Comment
  CAS-BOT-BC413935  Polygonum aviculare subsp. aviculare Peter H. Raven 1951-9-9 3893 Napa Fields at Solano Co. line w. of Hy. 29 15 Comment
  CAS-BOT-BC109162  Polygonum bolanderi Wilhelm Nikolaus Suksdorf 1913-7-30 748 Napa Northwest of Napa. Comment
  CAS-BOT-BC414387  Polygonum californicum John Thomas Howell 1930-10-19 5610 Napa 1 mile east of Aetna Springs, Pope Valley Comment
  JEPS110757  Polygonum californicum Jake Ruygt 1990-6-11 2592 Napa City of Napa, Milliken Reservoir watershed property 356 Comment
  JEPS50597  Polygonum californicum W. L. Jepson Sept. 1893 14799 Napa Napa Valley Comment
  JEPS115683  Polygonum lapathifolium Lowell Ahart 2009-10-27 16491 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of 130 Comment
  RSA755360  Polygonum punctatum L. Ahart 2009-10-12 16449 Napa Below the high water line of Lake Berryessa, along Capell Creek northeast of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road., About 19 air miles west of Winters. 133 Comment
  CDA15453  Polygonum ramosissimum J. Glazner 1998-7-2 s.n. Napa San Francisco Bay Area; Napa River near mouth of Suscol Creek, ~1.5 mi. NW of Hwy 29/12 intersection. Comment
  CAS-BOT-BC420986  Polygonum spergulariiforme R. F. Hoover 1966-8-23 9920 Napa East side of Mt. St. Helena Comment
  UC440186  Polypodium calirhiza W. L. Jepson Nov. 1895 Napa St. Helena Comment
  UCD83864  Polypodium glycyrrhiza Ellen Dean; Stephen Rae 2010-3-15 5822 Napa along Wooden Valley Road. E side of road. Lamb Vineyard property, along creek that runs through property. 188 Comment
  UCD73504  Polypogon interruptus Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC237257  Polypogon monspeliensis Betty H. Johnson 1968-6-8 599 Napa Near Saint Helena River, 6.4 miles SW of Middletown Comment
  UCD169866  Polypogon monspeliensis Daniel Potter; Peter Lash 2015-4-26 801 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 444 Comment
  JEPS116550  Polystichum munitum Jake Ruygt 2005-5-21 4860 Napa Marie Creek where it enters Skyline Park. Mount George 7.5' Quad. Comment
  CDA790  Potamogeton crispus Steve Bardessono 1961-6-2 Napa Berryessa Marina, Lake Berryessa. 0 Comment
  UCD73521  Potamogeton nodosus Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS42990  Potamogeton pusillus Willis L. Jepson 1893-4-24 13772 Napa hills e of St Helena (to Conn Valley Road); Napa River Basin Comment
  UC184618  Proboscidea louisianica subsp. louisianica H. J. Baade 1915-9-28 Napa Napa Comment
  JEPS113962  Prosartes hookeri Jake Ruygt 1978-4-6 261 Napa 1 mile west of Dry Creek Road on Redwood Road. Napa 7.5' Quad. Comment
  CAS-BOT-BC508643  Prosartes hookeri Peter H. Raven 1964-5-9 19046 Napa Along dirt road 2 miles west of Aetna Springs Comment
  CAS-BOT-BC151178  Prunus subcordata Mrs. H. C. Cantelow 1936-3-22 1140 Napa Howell Mt. Comment
  UC1543127  Prunus subcordata Charlotte G. Nast 1936-3-27 65 Napa Childs Canyon Comment
  UCD113521  Prunus virginiana var. demissa Beecher Crampton 1960-5-17 5537 Napa 4 miles north of Lokoya, 3.9 miles west of Oakville. Comment
  CAS-BOT-BC356378  Pseudognaphalium beneolens Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  JEPS20462  Pseudognaphalium beneolens Willis L. Jepson 1903-9-6 2349 Napa St. Helena Napa River Basin, St. Helena Comment
  JEPS106917  Pseudognaphalium biolettii Jake Ruygt 1996-4-6 3561 b Napa East end of Rector Reservoir. 152 Comment
  UCD19309  Pseudognaphalium californicum M. A. Bibbo; E. Dean 2001-7-6 1 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West road, between research station and junction with southern part of Frank's road, ca. 0.4 air miles from research station. E (upslope) side of the road. 365 Comment
  CAS-BOT-BC356981  Pseudognaphalium luteoalbum Peter H. Raven 1952-5-31 4161 Napa Flood plain of Rector Creek 121 Comment
  JEPS20355  Pseudognaphalium microcephalum W. L. Jepson 1895-11-27 14759 Napa near St. Helena; White Sulphur Springs Comment
  JEPS103994  Pseudotsuga menziesii Jake Ruygt 1993-4-3 3176 Napa The Palisades, south of Table Rock about 1/4 mile. 762 Comment
  UCR235940  Pseudotsuga menziesii var. menziesii David A. Charlet, Dene Charlet 2005-1-1 2862 Napa North Coast Range, Robert Louis Stevenson State Park, Saint Helena Creek drainage, Mayacamas Mountains, west side of highway near trailhead 601 Comment
  JEPS106885  Psilocarphus brevissimus var. brevissimus Jake Ruygt 1990-4-21 2490 Napa Giles Mead Ranch, Atlas Peak Rd. 487 Comment
  JEPS106883  Psilocarphus oregonus Jake Ruygt 1995-5-8 3471 Napa 2 mi. south of Lake Hennessey on road to Taylor/ Chapallet 411 Comment
  UC176863  Psilocarphus oregonus J. P. Tracy 1902-5-19 1551 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moore's Creek 518 Comment
  UC165837  Psilocarphus tenellus J. P. Tracy 1902-5-17 1526 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 Comment
  POM41978  Psilocarphus tenellus var. tenellus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD63154  Psilocarphus tenellus var. tenellus Jake Ruygt 1991-5-6 2649 Napa Wantrup Preserve, Pope Valley. 195 Comment
  SEINET10871110  Psoralea physodes Peter H. Raven 1964-5-9 Raven 19042 Napa Edge of small grove of sequoia along dirt road 2 mi w of aetna springs. Comment
  UCD117072  Ptelea crenulata Cherry Kline 1964-5-8 72 Napa State Highway 128, between Monticello Dam and junction with State Highway 37, 3 miles SW of Monticello Dam. Comment
  JEPS129136  Pteridium aquilinum var. pubescens Jake Ruygt 1979-6-9 679 Napa Spring Mountain Winery (Falconcrest). Saint Helena 7.5' Quad. Comment
  POM182705  Pterostegia drymarioides D. D. Keck 1931-4-2 1024 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UCD73394  Pterostegia drymarioides Ayzik Solomeshch; Stephen Rae 2007-3-19 s. n. Napa Oakville Ranch, northwest of the town of Yountville. Along Oakville Grade Road, ca. 6 miles west of the intersection with Hwy 29. Comment
  CAS-BOT-BC421124  Pterostegia drymarioides D. E. Breedlove 1976-4-24 39479 Napa Junction of Pope Valley and Lower Chicken Valley Roads Comment
  UCD92220  Puccinellia simplex Beecher Crampton 1955-3-15 2327 Napa Napa County, 2 miles north of Calistoga, near Myrtledale Hot Springs. Comment
  JEPS106407  Pyrola aphylla Jake Ruygt 1988-6-4 2217 Napa Mt. St. Helena <.5 mi. from HWY 29 on fire road 707 Comment
  JEPS58842  Pyrola aphylla W. L. Jepson 1894-7-19 14664 Napa Mt. St. Helena, just at timber line Comment
  UCD167071  Pyrola picta Jake Ruygt 2007-5-19 5185 Napa Las Posadas State Forest, south of fire station. 548 Comment
  UC725507  Pyrrocoma racemosa var. racemosa A. A. Heller 1927-8-26 14466 Napa Calistoga Comment
  JEPS116571  Quercus X chasei Jake Ruygt 1982-3-22 1141 Napa Sugarloaf Mountain near Skyline Park. 7.5' Mount George Quad. Comment
  SFV890  Quercus X ganderi D. Q. Cavagnaro 1965-6-26 s. n. Napa La Jolla quicksilver mine, north slope of Mount St. John, 7 miles northwest of Oakville. Comment
  CAS-BOT-BC61807  Quercus agrifolia M. S. Jussel 1932-4-10 s.n. Napa St. Helena, 10 miles N.E. Cliff Spring Comment
  CLARK-A1528-2916  Quercus agrifolia John C. Roos 1939-4-16 283 Napa Angwin Comment
  JEPS37366  Quercus agrifolia W. L. Jepson 1901-11-17 1754 Napa near St. Helena; Napa River Basin Comment
  JEPS37374  Quercus agrifolia W. L. Jepson 1930-10-19 15695 Napa Butts Canyon Comment
  JEPS37829  Quercus agrifolia W. L. Jepson 1934-10-19 16906 Napa St. Helena; at Sanitarium Comment
  JEPS46630  Quercus agrifolia W. L. Jepson Nov 1901 Napa grade to Sanitarium St. Helena Comment
  UCD118400  Quercus agrifolia Rachael Olliff; Plant Biology 102 Collectors 2012-5-5 6 Napa Las Posadas State Experimental Forest. Northeastern part of property, in Recreation Flat, just south of main meadow. 387 Comment
  UCD45140  Quercus agrifolia W. C. Overton Jr. 1980-7-13 s.n. Napa From a population of this speciesm Q. wislizenii, and a few hybrids; along south bank of Eticuera Creek ca. 1 1/2 road miles north of Lake Berryessa, Napa Co., Calif.; elev. 580 feet. Location is to the west of the Berryessa-Knoxville Road (at the 20.00 mile marker) where the creek turns sharply to the NW, away from the road. (Extends the range of Q. agrifolia in this area by ca. 15 miles to the NE of the limits shown in Griffin and Critchfield, 1972). No. 1 of 4 sheets. 176 Comment
  CHSC47414  Quercus berberidifolia Lowell Ahart 1976-3-7 1024 Napa On steep hillsides, on the south side of the road and across a small stream, about 2 miles south-west of the Monticello Dam. 152 Comment
  JEPS116528  Quercus berberidifolia Jake Ruygt 2002-4-1 4379 Napa Blue Ridge north of Mays Flat. Knoxville 7.5' Quad. Comment
  CAS-BOT-BC62457  Quercus chrysolepis Alice Eastwood 1918-9-3 7953 Napa Mt. St. Helena Comment
  SEINET12034303  Quercus chrysolepis Unknown 1942-1 s.n. Napa Calistoqo Comment
  CAS-BOT-BC85940  Quercus douglasii Peter H. Raven 1953-4-2 5277 Napa hills of Tulucay Creek 243 Comment
  JEPS37493  Quercus douglasii Miss Frida Niedermuller 1908-9-7 Napa St. Helena Comment
  UCD45639  Quercus douglasii D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 Comment
  UCD45687  Quercus douglasii M. Wiesendanger 1926-4-1 1493 Napa Blue Oak. Comment
  SEINET12034333  Quercus douglasii C. G. Pringle 1882-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC86437  Quercus dumosa Peter H. Raven 1951-10-28 3948 Napa Conn Valley to Chiles Valley 274 Comment
  JEPS46658  Quercus dumosa W. L. Jepson 1896-2-23 Napa Howell Mt. Comment
  CDA11971  Quercus durata G. F. Hrusa, M. Hooper 1995-9-12 12463 Napa North Coast Biodiversity Arena; Margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam. Comment
  CDA21880  Quercus durata T. Kono 1968-3-1 Napa Highway 128, 12.9 miles east of Rutherford. 0 Comment
  UCD14811  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -13 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14822  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -18 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14844  Quercus durata John M. Tucker 1950-11-12 2014 -22 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD45966  Quercus durata David Slade 1982-5-27 72 Napa Highway 128 3.8 miles W of Moskowite Corner, 1000 feet. 304 Comment
  UCD45978  Quercus durata G. F. Hrusa; G. L. Stebbins 1994-3-11 11602 Napa Rhyolitic ash flat on Ink Grade approx. 2 miles N of Angwin. 520 Comment
  UCR106782  Quercus durata J. M. Tucker, G. L. Stebbins 1950-11-5 2011 -14 Napa below Conn Valley Dam, hillside across creek from picnic area Comment
  HSC71371  Quercus durata var. durata J. P. Smith, J. O. Sawyer 1970-5-17 3784 Napa 8 mi. N of Pope Valley Comment
  UCD45897  Quercus durata var. durata J. M. Tucker 1953-10-25 2690 Napa Beside Highway 28, 1.0 mile west of junction of highways 28 and 37, ca. 30 feet from edge of road, on lower side, Capell Canyon, Napa County, California. Comment
  UCD45916  Quercus durata var. durata J. M. Tucker 1948-6-7 1679 Napa Shrub at the side of road, a few miles west of Monticello, on road to Rutherford, Napa County, California. Comment
  UCD48032  Quercus durata var. durata Ari Houser; J. Westbrook,S. Ratay,M. Disney,R. Wolfson,S. Wathen 2000-4-22 20 Napa Napa Co, McLaughlin Reserve, apporx. 0.5 miles south of Berryessa-Knoxville Rd along east side of Devilhead Rd. 1st ridge south of Devilhead Rd. 518 Comment
  UCR219490  Quercus durata var. durata Jake Ruygt 1980-4-22 854 Napa Devilshead Road 476 Comment
  UCD148750  Quercus garryana Jake Ruygt 1999-5-14 4152 Napa Napa County; Lake Hinman, west of Yountville Veteran's Home. 109 Comment
  UCD46183  Quercus garryana Verne Grant; Alva Grant 1947-4-19 7941 Napa At the head of Weldon (Mix) canyon, near crest of ridge on eastern slope. Can be approached by dirt road from Pleasant Valley, Vaca Mountains; Napa-Vaca county line. Comment
  UCD46075  Quercus garryana var. garryana J. M. Tucker 1950-11-5 2009 Napa At summit of ridge marking Sonoma-Napa County line, beside Highway 28, ca. 5 miles northwest of Calistoga, California. Comment
  POM270205  Quercus kelloggii Lyman Benson 1932-8-29 4053 Napa Highway Summit on Mt. St. Helena, Mayacamas Mt. Range, Napa Valley drainage area. 762 Comment
  POM270255  Quercus kelloggii Lyman Benson 1931-2-26 2599 Napa Near highway summit of Mt. St. Helena, No of Calistoga, Mayacamas mt. range, Napa watershed. 549 Comment
  RSA623982  Quercus kelloggii T. Gertrude Williamson 1924-7-4 346 Napa Canon near S. Helena, Napa Valley. Comment
  UC521690  Quercus kelloggii Joseph Andorfer Ewan 1933-9-17 8012 Napa trail above Mt. St. Helena <???>; Mt. St. Helena Comment
  UCD46610  Quercus kelloggii D. Q. Cavagnaro 1963-10-18 225 Napa At Napa Valley Ranch Club road junction, 2.8 miles west of Moskowite Corners, Napa County, California. 30 Comment
  UCD46615  Quercus kelloggii K. Esau 1937-4-22 s.n. Napa Monticello-Napa Highway. Comment
  UCD46655  Quercus kelloggii D. Sanchez-Mata; M. G. Barbour 1996-5-12 s.n. Napa Lake Berryessa. Pope Creek. Open woodland. 380 Comment
  UCD46665  Quercus kelloggii K. D. Jones 1927-9-10 1707 Napa California Black Oak. Calistoga-Wrights. Comment
  UCD46714  Quercus kelloggii J. M. Tucker 1966-4-17 3937 Napa Mt. Helena, 0.4 mile over the north side from the summit of the road (State Highway 29), Napa County, California. Comment
  UCD46741  Quercus kelloggii John M. Tucker 1995-10-14 s.n. Napa California, Napa Co.; Homestead Area of the Mc Cormick Ranch, approximately 1.1 mi. north of Bald Mountain in Sugar Loaf State Park, and roughly 7 mi. west of St. Helena. 548 Comment
  CAS-BOT-BC62879  Quercus lobata Peter H. Raven 1952-5-31 4148 Napa Summit of hills sw of Rector Canyon 304 Comment
  JEPS116532  Quercus lobata Jake Ruygt 1992-7-14 3093 Napa Yountville Ecological Reserve, Yountville Cross Road, Napa River. Yountville 7.5' Quad. Comment
  JEPS37358  Quercus lobata Willis L. Jepson 1901-8-6 1737 Napa St. Helena Napa River Basin Comment
  CLARK-A1528-2901  Quercus lobata John C. Roos 1939-3-27 282 Napa Angwin Comment
  CAS-BOT-BC104981  Quercus wislizeni Peter H. Raven 1951-8-20 3860 A Napa East Point, near Lokoya 609 Comment
  JEPS37797  Quercus wislizeni W. L. Jepson 1938-9-28 19045 Napa La Jota Mesa Howell Mt. Comment
  UCD73447  Quercus wislizeni Ayzik Solomeshch 2007-8-7 s. n. Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville grade' road, ca. 3 miles north from Yountville. 205 Comment
  UCR212387  Quercus wislizeni Ayzik Solomeshch 2007-8-7 s.n. Napa North Coast Range, Oakville Ranch, c. 6 miles northwest of the town of Yountville; on Hwy 29 take 'Oakville Grade Road', c. 3 miles north from Yountville 205 Comment
  UCD144652  Rafinesquia californica Alice Warrick 2007-4-20 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  POM182689  Ranunculus californicus D. D. Keck 1931-4-2 1009 Napa Foot of Wooden Valley Grade, west base of Napa Range, 4 miles NE of Napa 50 Comment
  UCR47044  Ranunculus californicus J. Nevin 1987-4-12 05 Napa Coast Range, Napa. East end of Brown's Valley, 1 mi on Buhman Ave. from Brown's Valley Road 61 Comment
  UC917101  Ranunculus canus H. Popenoe 1949-4-17 9 Napa 17 mi from Winters (at entrance to Monticello Valley) Comment
  CLARK-A1528-3878  Ranunculus hebecarpus John C. Roos 1939-4-1 264 Napa Comment
  POM225341  Ranunculus hebecarpus J. T. Howell 1931-4-2 6064 Napa Wooden Valley Grade, 5 miles east of Napa Comment
  UC136198  Ranunculus lobbii C. F. Baker 1903-4-19 1997 Napa St. Helena Comment
  UCD83671  Ranunculus muricatus Yuan-Chun Han; E. Dean, S. Foutouhi 2010-5-7 6 Napa Along Wooden Valley Road. Lamb Family Vineyards property on east side of the road. 183 Comment
  UCR30447  Ranunculus muricatus John C. Roos 1939-4-18 s.n. Napa North Coast Range, Pacific Union College; Angwin 549 Comment
  SEINET197738  Ranunculus occidentalis R. C. Bechtel 1952-3-16 18 Napa Putah Canyon Comment
  UCD148829  Ranunculus occidentalis Ellen Dean; Diana Hickson 2014-4-29 8134 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 560 Comment
  RSA15680  Ranunculus occidentalis var. eisenii Carl B. Wolf 1928-2-25 1488 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  UCD117469  Ranunculus occidentalis var. occidentalis Roisin Murphy-Deak; Plant Biology 102 Collectors 2012-4-29 5 Napa Las Posadas State Experimental Forest. Just northeast of fire station. Along roadside opposite drainage pipe. 519 Comment
  UC1178884  Reseda luteola Herbert L. Mason 1942-9-29 12558 Napa 2 mi n of Calistoga (Napa River); Napa River Comment
  CAS-BOT-BC427558  Reseda luteola Peter H. Raven 1951-6-10 2896 Napa Rt. #29 n. of Calistoga 106 Comment
  HSC103814  Reseda luteola David J. Keil, V. L. Holland, Lynne Dee Oyler, G. Fred Hrusa, G. L. Stebbins 1994-6-6 24509 Napa Near east end of Lake Hennessy along Highway 128. 150 Comment
  CAS-BOT-BC362893  Rhagadiolus stellatus John Thomas Howell 1980-5-15 53451 Napa Oakville Grade sw. of Oakville 152 Comment
  CDA7607  Rhagadiolus stellatus T. C. Fuller 1961-6-15 6336 Napa G.A. Wilson Ranch, Dry Creek Road, 2 miles west of Yountville Comment
  CDA949  Rhagadiolus stellatus D. G. Kelch 2002-4-1 2 .001 Napa Napa; Redwood Rd., west of town. 0 Comment
  SD175803  Rhagadiolus stellatus D. G. Kelch 2002-4-10 02 1 Napa Redwood Road, west of Napa city limits. 60 Comment
  UC1419855  Rhagadiolus stellatus N. Harrison 1976-5-7 1321 Napa Trinity Road near intersection <with> Wall Road Comment
  UCD74323  Rhagadiolus stellatus Ayzik Solomeshch 2007-5-28 s. n. Napa Northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC362897  Rhagadiolus stellatus T. C. Fuller 1961-6-15 6336 Napa G. A. Wilson ranch, Dry Creek Road, 2 mi. w. of Yountville Comment
  JEPS42077  Rhamnus californica subsp. californica Miss Frida Niedermuller 1908-9-7 Napa St. Helena Comment
  CAS-BOT-BC59541  Rhamnus crocea John H. Thomas 1955-5-21 5110 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  JEPS41998  Rhamnus crocea Willis L. Jepson 1893-5-2 13971 Napa e of Calistoga (Pope Valley grade from Calistoga); Napa River Basin Comment
  JEPS42003  Rhamnus crocea W. L. Jepson 1915-12-5 6587 Napa Adam-and-Eve Ridge Howell Mt. Comment
  CAS-BOT-BC199723  Rhododendron occidentale H. E. McMinn 297 Napa About 6 mi. above Aetna Comment
  SBBG50855  Rhododendron occidentale R. Beaver 1965-5-1 149 Napa 14 mi N of jct of Hwy 121 and 128 Comment
  UCD20689  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 1 a and b Napa Napa County, NW side of Butts Canyon Road/ Shell Valley Road, Napa 00.25 marker, SE side of Butts Creek, 10-15' from water, submerged to 1.5' at flood levels. Comment
  UCD20693  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 5 Napa Napa County, Butts Canyon Rd. along Butts Creek, 100' NW of 20.25 marker, NE side of creek at the mouth and 50' up a wash, on edge of rock bed. Comment
  UCD35625  Rhododendron occidentale Beecher Crampton 1959-5-11 5204 Napa North end of Capell Valley, above Capell Creek. Comment
  RSA22617  Rhododendron occidentale var. californicum Marion Ownbey, Ruth P. Ownbey 1938-7-9 1702 Napa 6 miles northeast of Napa. Comment
  UCD170208  Ribes malvaceum var. malvaceum Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 749 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 363 Comment
  CAS-BOT-BC198893  Ribes roezlii var. cruentum Peter H. Raven 1951-5-26 2866 Napa Lokoya Lodge 411 Comment
  JEPS110833  Ribes victoris Jake Ruygt 1980-5-4 876 Napa canyon near Bateman Creek 597 Comment
  JEPS110835  Ribes victoris Jake Ruygt 1989-3-18 2239 Napa Farm Labor Camp near Rector Res 73 Comment
  UCD102441  Ribes victoris Mary Lou Douglass 1976-4-24 21 Napa 100 yds SW of P.M. 31.37 on Rt 128. Comment
  UCD167016  Ribes victoris Jake Ruygt 1984-3-28 1511 Napa Whitehall lane. 701 Comment
  CAS-BOT-BC363047  Rigiopappus leptocladus John Thomas Howell 1931-4-3 6130 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range Comment
  HSC43915  Rigiopappus leptocladus Robert M. Specht 1977-5-14 888 Napa Near junction of Develhead Rd. and Morgan Valley Rd. (Knoxville-Berryessa Rd.) 457 Comment
  JEPS106905  Rigiopappus leptocladus Jake Ruygt 1981-5-21 1039 Napa ridge west of Putah Creek, north of Snell Valley 231 Comment
  UC166086  Rigiopappus leptocladus J. P. Tracy 1905-7-5 2207 1/2 Napa 3 to 4 mi e Angwin's (head of Moores Creek); Howell Mountain, Moores Creek 365 Comment
  CAS-BOT-BC74595  Rorippa curvisiliqua Peter H. Raven 1952-5-29 4079 Napa Napa River 1 mile north Napa. 60 Comment
  SEINET5763310 Image available Rorippa curvisiliqua E. L. Greene 1893-1 s.n. Napa Dry Creek Comment
  CAS-BOT-BC74596  Rorippa curvisiliqua Peter H. Raven 1952-5-31 4112 Napa Conn Creek east of Yountville. 45 Comment
  UCD73498  Rosa californica Ayzik Solomeshch 2007-5-27 s.n. Napa NW of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  CAS-BOT-BC148157  Rosa gymnocarpa Elsa G. Ruckert 1960-5-7 143 Napa Wall Road, 1/4 mile from junction with Dry Creek Road 365 Comment
  SEINET11910993  Rosa gymnocarpa F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -311 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 770 Comment
  UCD17682  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 79 Napa California. Napa County: north of Redwood Lodge along Highway 128. Comment
  CAS-BOT-BC156913  Rubus ursinus Peter H. Raven 1964-5-9 19071 Napa Along dirt road 2 miles west of Aetna Springs Comment
  CAS-BOT-BC421598  Rumex crispus Peter H. Raven 1952-5-29 4072 Napa Napa River 1 mi. n. Napa 60 Comment
  CHSC102260  Rumex dentatus Lowell Ahart 2009-10-27 16492 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  RSA755378  Rumex dentatus L. Ahart 2009-10-27 16492 Napa Below the high water line of Lake Berryessa, about 50 yards southeast of Eticuera Creek, about 150 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road., About 20 air miles northwest of Winters. 130 Comment
  JEPS120354  Rumex transitorius Jake Ruygt 1996-11-19 3800 Napa California Boulevard at Trancas, along railroad tracks. Napa 7.5' Quad. Comment
  POM161356  Rupertia physodes Rimo Bacigalupi 1928-6-20 1867 Napa Howell Mt, 10 miles W of St Helena Comment
  SD108178  Rupertia physodes Peter H. Raven 1964-5-9 19042 Napa Edge of small grove of Sequoia along dirt road, 2.0 miles west of Aetna Springs. Comment
  UCD167161  Sagina apetala Jake Ruygt 2015-3-23 6050 Napa Missimer - Snell Valley Preserve. 178 Comment
  JEPS106735  Sagina decumbens subsp. occidentalis Jake Ruygt 1982-4-4 1166 Napa 3.2 miles north of Loma Vista Rd. on Soda Canyon Rd. 335 Comment
  CAS-BOT-BC108663  Salix breweri John Thomas Howell 1933-8-27 11641 Napa Sage Canyon, Napa Range Comment
  CAS-BOT-BC108667  Salix breweri John Thomas Howell 1930-10-19 5629 Napa Stream bottom, 5 miles from Aetna Springs on Butts Canyon Road to Middletown. Comment
  UC481209  Salix breweri Ball, Bracelin, Parks and Parks 1931-4-21 26 Napa near junction with St. Helena Creek (about 6 km s of Middletown, about 120 m above creek mouth); Mirabel Creek 420 Comment
  RSA90537  Salix breweri Milo S. Baker 1931-4-2 5127 Napa 7 miles from Pope Valley Store on road to Middletown. Comment
  UCD73497  Salix laevigata Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  JEPS13066  Salix lasiandra var. lasiandra Willis L. Jepson 1903-9-6 2340 Napa St. Helena Napa River Basin, St. Helena Comment
  UCD164814  Salix lasiandra var. lasiandra Jake Ruygt 1992-7-10 3077 Napa Yountville Ecological Reserve, Yount-ville Crossroad. 25 Comment
  CHSC20623  Salix lasiolepis Carol C. Getzinger 1964-3-24 16 Napa Junction of Redwood Road and Brown's Valley Road. 152 Comment
  JEPS13830  Salix lasiolepis Willis L. Jepson 1903-9-6 2342 Napa St. Helena; Napa River Basin, St. Helena Comment
  POM220467  Salix lasiolepis Carleton R. Ball, Harold E. Parks 1931-2-17 17 -b Napa 1 mile NW of Calistoga. Comment
  UCD111603  Salix lasiolepis Joseph M. DiTomaso 1976-4-9 382 Napa Next to Putah Creek at base of Monticello Dam, Lake Berryessa. (On the Yolo/Napa County line. Base of dam is Napa County but just downstream is Yolo County. This record originally said Yolo County). 3 Comment
  CAS-BOT-BC124412  Salix lasiolepis var. lasiolepis Peter H. Raven 1951-6-26 3065 Napa Wooden Valley Grade 304 Comment
  POM202752  Salix lucida subsp. lasiandra I. L. Wiggins 1932-3-12 5750 Napa N fork of the Napa River. 1 mile N of Calistoga. Comment
  CAS-BOT-BC129002  Salix sitchensis Dan Axelrod 1929-6-30 s.n. Napa Lokoya Comment
  UCD144655  Salvia columbariae Alice Warrick 2008-4-5 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  JEPS108633  Salvia sonomensis R. Raiche, H. Forbes, K Zadnik 1991-4-24 114 Napa Mt. George 542 Comment
  JEPS62780  Salvia sonomensis W. L. Jepson 1943-5-15 20786 Napa Knoxville Ridge Comment
  UC25739  Salvia sonomensis Willis L. Jepson 1893-5-1 Napa w of Calistoga; Napa River Basin Comment
  UCSB24695  Salvia sonomensis McMinn, Howard 1925-5-25 Napa Summit Wooden Valley grade Comment
  JEPS106729  Sambucus mexicana Jake Ruygt 1989-5-27 2350 Napa Napa River about 50 yards south of Lincoln Ave., Napa 6 Comment
  RSA802287  Sanicula Keith E. Hoffmaster 1946-3-23 1259 Napa Along Monticello - Napa Road. Comment
  JEPS104479  Sanicula bipinnata Jake Ruygt 1980-3-22 812 Napa north of Snell Valley and Routan Creek 274 Comment
  JEPS129017  Sanicula bipinnata Jake Ruygt 2016-5-7 6239 -X Napa Smittle Creek west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UC1197107  Sanicula bipinnatifida J. P. Tracy 1899-6-26 410 Napa 3-4 mi e of Angwin's (Howell Mountain, Head of Moore's Creek); Howell Mountain, Moore's Creek 365 Comment
  UCD48512  Sanicula bipinnatifida A. Van Houtte; E. Leger and C. Hohn 2001-4-14 7 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; NE-facing bank upslope of ruined cabins, between the stock pond and the W side of Decker Canyon Rd. 152 Comment
  JEPS104477  Sanicula crassicaulis Jake Ruygt 1979-3-31 465 Napa Trefethen hillside property 91 Comment
  UCD18157  Sanicula crassicaulis Eva Bayon; with Plant Biology 102 class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. Ca. 0.20 - 0.50 miles as the crow flies N of site of old town of Knoxville, along road to Clover Valley. 463 Comment
  UCD81387  Sanicula crassicaulis M. Wiesendanger 1927-5-4 680 Napa Near Monticello. Comment
  UCD81388  Sanicula crassicaulis M. Wiesendanger 1927-5-4 680 Napa Near Monticello. Comment
  UC1022535  Sanicula crassicaulis C. Ritchie Bell 1952-3-8 3 X336 Napa Mount St. Helena, at Stevenson Monument Mount St. Helena; , Stevenson Monument Comment
  UCD127970  Sanicula crassicaulis Joseph M. DiTomaso 1976-5-2 411 Napa 4 miles west of Monticello Dam on Highway 128, Lake Berryessa. Comment
  UCD63191  Sanicula laciniata Jake Ruygt 2002-4-1 4380 Napa West of Calistoga above Blossom Creek. 213 Comment
  RSA10677  Sanicula tuberosa C. B. Wolf 1928-5-3 s.n. Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD41472  Sanicula tuberosa Ellen Dean; T. Starbuck, M. Starbuck, J. Bradford and family 2003-2-21 1352 Napa Quail Ridge UC Reserve. South end of Lake Berryessa, first peninsula, west of Monticello Dam. Along Decker Ridge Road, south of junction with South Decker Canyon Road. 365 Comment
  JEPS967  Sanicula tuberosa Willis L. Jepson 1893-4-24 14192 Napa e of St. Helena (Napa River Basin); Napa River Basin Comment
  JEPS968  Sanicula tuberosa Willis L. Jepson 1893-3-13 14193 Napa e of St. Helena (Napa River Basin); Napa River Basin Comment
  JEPS104491  Scandix pecten-veneris Jake Ruygt 1979-4-14 518 Napa Oat Hill Mine Rd., near Calistoga 207 Comment
  UCD128135  Scandix pecten-veneris J. M. Tucker 1951-4-11 2070 Napa south side of Howell Mountain, 5.5 miles below Angwin, on road to St. Helena. Comment
  UCSB4655  Scandix pecten-veneris Kamb, Peter; Chisaki, Francia 1950-4-22 Napa Canyon of Sage Creek about 3 miles east of Chiles Valley 304 Comment
  RSA121050  Schedonorus arundinaceus Glenn R. Hall 1956-4-23 s.n. Napa Napa. Comment
  CAS-BOT-BC21127  Schoenoplectus acutus var. occidentalis Peter H. Raven 1951-9-9 3910 Napa Slaughterhouse Pt., Napa River. 0 Comment
  CAS-BOT-BC111472  Schoenoplectus americanus Peter H. Raven 1952-8-26 5139 Napa Salt marshes near Bentley Wharf. 15 Comment
  JEPS121371  Scirpus tuberosus Jake Ruygt 1986-8-23 1909 b Napa Lake Hennessey, near spillway. Comment
  RSA170259  Scribneria bolanderi Joseph P. Tracy 1950-5-23 18674 Napa La Jota Plateau, on hills at head of Moore's Creek, 5 miles east of Angwin's, Howell Mountain. 518 Comment
  JEPS112643  Scutellaria californica Jake Ruygt 1992-6-11 3029 Napa below South lake, Wild Horse Valley Ranch 426 Comment
  UC1713626  Scutellaria californica Joseph Andorfer Ewan 1934-4-30 8841 Napa 5 mi s of Monticello (on Steel Canyon Road); Steel Canyon Road Comment
  RSA276104  Scutellaria siphocampyloides Harry Goff 1936-5-1 s.n. Napa 5.5 mi. from Napa on Monticello Rd. up old wagon road 1/4 mi., then to left on top of ridge near Eucalyptus tree. Comment
  JEPS112645  Scutellaria tuberosa Jake Ruygt 1979-4-6 483 Napa .3 mile east of Butts Canyon Rd. on Snell Valley Rd. 219 Comment
  JEPS62856  Scutellaria tuberosa Willis L. Jepson 1893-5-9 14939 Napa sw of St. Helena (Napa Valley, Niebaum's Dam); Napa Valley, Niebaum's Dam Comment
  SFV12213  Sedella pumila W. R. Russell 1967-5-10 s. n. Napa Just north of Soscol House restaurant, about 2 miles south of Napa State Hospital on State Highway 29. Comment
  CAS-BOT-BC69713  Selaginella wallacei John Thomas Howell 1926-3-21 1737 Napa Old toll road to Mt. St. Helena. Comment
  JEPS79404  Selaginella wallacei Edward Lee 1935-12-1 1669 Napa s side of road to Monticello (Wooden Valley grade, on land of F. Gagerro); Howell Mts., Sarco Creek Comment
  POM197729  Selaginella wallacei John Thomas Howell 1930-3-23 4557 Napa E of Mt St Helena Inn, near Mt St Helena. Comment
  UC1199243  Senecio aronicoides Joseph P. Tracy 1933-6-2 12459 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek, La Jota Plateau, Howell Moutain); Northern Coast Ranges, Howell Mountain, La Jota Plateau, hea 518 Comment
  UC1301214  Senecio aronicoides Helen K. Sharsmith 1963-4-20 5336 a Napa southern slopes Mt. Atlas; San Francisco Bay Region, southern slopes of Mt. Atlas 609 Comment
  JEPS37649  Senecio integerrimus var. exaltatus W. L. Jepson 1915-4-24 6262 Napa Chiles Creek Conn Valley Comment
  SFV4108  Senecio sylvaticus E. Parchim 1964-4-25 s. n. Napa Summit of Oakvillegrade Road, about 4 miles southwest of Oakville. Shale soil in burned (summer 1962) area south of road. Comment
  JEPS17417  Senecio vulgaris W. L. Jepson 1936-5-31 17572 Napa e of St. Helena; Howell Mountain, Jota Plateau Comment
  UCD19953  Senecio vulgaris E. A. Dean; Virginia Boucher 2002-2-28 894 Napa Quail Ridge Reserve. Along West Rd. 0.7 airline miles N of junction of West Rd. and Decker Canyon Trail. 213 Comment
  CAS-BOT-BC85776  Sequoia sempervirens Peter H. Raven 1951-6-26 3071 Napa Wooden Valley Grade 304 Comment
  UCD160750  Sidalcea Ellen Dean 2015-5-23 8802 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 207 Comment
  SBBG4683  Sidalcea diploscypha H. and M. Dearing 1939-5-2 3354 Napa near Napa Comment
  UCD116608  Sidalcea diploscypha Richard Beaver 1965-5-1 147 Napa 4.5 miles north of Calistoga, State Highway 29. Comment
  UC527935  Sidalcea hartwegii R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6668 Napa 6 mi ne Pacific Union College (on road to Aetna Springs, on Howell Mt.); Howell Mt., on road to Aetna Springs Comment
  UC198240  Sidalcea hartwegii H. P. Chandler 1907-5-8 7567 Napa White Sulphur Spr. , White Sulphur Spr. (St. Helena) Comment
  UC1177102  Sidalcea hirsuta Peter H. Raven 1951-5-26 2869 Napa Aetna Springs to start Butts Canyon; Aetna Springs to start of Butts Canyon 243 Comment
  JEPS100817  Sidalcea keckii Dean Wm. Taylor with Mey Akasah 1999-6-3 17221 Napa ridge dividing Eticuera Creek from Zim Zim Creek, reached via jeep roads eastward of Devilhead Road 594 Comment
  JEPS122761  Sidalcea keckii Jake Ruygt 2003-5-5 4519 Napa On middle road between Foley Creek and Long Canyon. Quad: Knoxville. Comment
  UCD149641  Sidalcea keckii Ayzik Solomeshch; Stephen P. Rae 2008-4-20 s.n. Napa Lake Berryessa, along the west shoreline, ca. 2 km north of Pope Canyon Road intersection with Berryessa-Knoxville Road. 140 Comment
  UC108877  Sidalcea oregana subsp. hydrophila T. S. Brandegee Aug. 1888 Napa Howell Mountain Comment
  UC465677  Silene californica H. P. Chandler 1907-5-26 7591 Napa White Sulphur Spr St. Helena, White Sulphur Spr Comment
  JEPS50936  Silene gallica W. L. Jepson 1923-4-29 9893 Napa St. Helena 91 Comment
  UCD170357  Silene gallica Daniel Potter; H Won, D McNair, A Holland, K Battenberg 2016-4-17 856 Napa Knoxville Wildlife Area, northeast of Zim Zim Falls. 465 Comment
  UCD47957  Silene gallica R. Brush; A. Atamian, C. Owens, S. Olmsted, M. Furuyama 2000-4-29 10 Napa The border of Yolo and Napa Counties, McLaughlin Reserve one as the crow flies mile north of the old town of Knoxville, 300 meters east of old road in a burn area (burned Oct 1999). 640 Comment
  UC465687  Silene gallica C. F. Sonne April 1888 2176 Napa Comment
  CAS-BOT-BC389183  Silene laciniata subsp. californica Peter H. Raven 1950-6-20 2362 Napa In the Napa Range between Conn Valley & Howell Mtn. Comment
  UCR212283  Silene multinervia Ayzik Solomeshch 2007-8-7 s.n. Napa North Coast Range, Oakville Ranch, c. 6 miles northwest of the town of Yountville; on Hwy 29 take 'Oakville Grade Road', c. 3 miles north from Yountville 205 Comment
  UCD74404  Sisymbrium orientale Jake Ruygt 2000-5-17 4260 Napa Devilhead Rd. at top of first grade. 493 Comment
  UC1196379  Sisyrinchium bellum Joseph P. Tracy 1933-4-30 12091 Napa on hills at head of Moore's Creek (3-4 mi e of Angwin's); Northern Coast Ranges, Howell Mountain 365 Comment
  UCD48728  Sisyrinchium bellum L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 18 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along North Decker Canyon Rd., 20-30 ft. N of stream. 152 Comment
  UCD48730  Sisyrinchium bellum S. Colby; L. Hanson, D. Bosworth, K. Sesser, G. Belley 2001-4-14 2 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, E side of Decker Canyon about 150 m up Cut-Off Rd. from South Decker Canyon Rd. 182 Comment
  UC429224  Sisyrinchium bellum C. F. Sonne Apr. 1897 6817 Napa Napa Valley Comment
  UCD23394  Sisyrinchium bellum Alana Adams 1977-4-28 10 Napa Grassy meadow, partly shaded by oaks. 14.75 miles north of Barryessa Knoxville Rd. and Highway 128 intersection on Berryessa Knoxville Rd. 243 Comment
  UCD169858  Solanum rostratum Lowell Ahart 2009-10-27 16494 Napa About 100 yards east of Eticuera Creek, about 50 yards south of Eticuera Parking Area at the northeast end of the causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS110903  Solanum umbelliferum Jake Ruygt 1980-5-3 872 Napa Bear Valley 640 Comment
  JEPS110917  Solanum umbelliferum Jake Ruygt 1981-4-1 963 Napa Stag's Leap 152 Comment
  JEPS110919  Solanum umbelliferum Jake Ruygt 1993-4-12 3203 Napa south of James Creek Road and Butts Cany on Road. 219 Comment
  SEINET5760783  Solanum umbelliferum L. Constance 1938-3-27 2039 Napa North Coast Ranges; east slope in the Howell Mountains, 5 miles east of Napa 457 Comment
  UC88138  Solidago elongata K. Brandegee Sep 1888 Napa Howell Mountain Comment
  UC1299294  Solidago velutina subsp. californica Freed W. Hoffman 1946-8-20 1267 Napa Hunting Creek North Coast Ranges, Napa-Lake County Line, Hunting Creek (Napa-Lake County Line, North Coast Ranges) Comment
  UC1776802  Solidago velutina subsp. californica G. F. Hrusa 1993-10-3 11424 Napa North Coast Biodiversity Arena; 2.1 m. SW along Knowxville-Devilhead Rd. from Knoxville-Berryessa Rd 518 Comment
  JEPS18729  Soliva sessilis Willis L. Jepson 1893-5-8 14874 Napa Howell Mt. grade below New Eden; Napa River Basin, Howell Mt. Comment
  RSA474085  Sonchus asper P. H. Raven 1965-5-15 20201 Napa 4 miles S of junction of State Hwy 128 on State Hwy 121, near Capell Valley. Comment
  UCD54328  Sonchus asper Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 3 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, near steam and culvert that goes under road, 0.5 road miles from gate to old town of Knoxville. E side of Knoxville creek. 365 Comment
  CAS-BOT-BC235339  Sorghum halepense Peter H. Raven 1950-6-20 2371 Napa In the Napa Range between Conn Valley & Howell Mtn Comment
  CAS-BOT-BC390294  Spergularia macrotheca var. longistyla John Thomas Howell 1926-3-27 1759 Napa Myrtledale Hot Springs near Calistoga Comment
  JEPS129151  Spergularia media var. media Jake Ruygt 1983-3-29 1398 Napa River park Boulevard and S Jefferson Street SE corner. Napa 7.5' Quad. Comment
  UCD18143  Spergularia rubra Jean Shepard; with PLB 102 class 2000-4-29 194 Napa McLaughlin Reserve, ca. 0.75 as the crow flies miles NNW of the site of the old town of Knoxville, east side of the road to Clover Valley. 499 Comment
  JEPS62967  Stachys ajugoides var. rigida Willis L. Jepson 1894-5-3 14967 Napa St. Helena Napa River Basin Comment
  UCD18106  Stachys albens K. Carpenter; with E. Dean and K. Chaney. 2000-8-11 42 Napa Napa County. Just south of the border with McLaughlin Reserve. Along Knoxville-Berryessa Rd, ca. 1.4 road miles south of intersection with dirt road leading to old town of Knoxville, SW side of road, along drainage leading into Knoxville Creek; there is an old homestead uphill from collection site. 371 Comment
  UCD166676  Stachys albens Jake Ruygt 1994-6-4 3393 Napa Lewelling Ranch, Sulphur Springs; road to upper meadow. 188 Comment
  RSA195294  Stachys rigida subsp. quercetorum Gilbert Muth 1967-5-17 671 Napa Oat Hill Road, Calistoga 244 Comment
  UCD126061  Stachys rigida var. quercetorum M. Wiesendanger 1927-5-4 686 Napa Near Monticello. Comment
  JEPS115731  Stachys stricta Lowell Ahart 2009-10-12 16441 Napa Below the high water line of Lake Berryessa, along Capell Creek east of Rest Area, 3/4 mile northeast of Highway 128 on Berryessa Knoxville Road, 3/4 mile southwest of Capell Cove Launch Ramp on Berryessa Knoxville Road, about 19 miles (air) west of Winte 133 Comment
  UCD116968  Stellaria media Jillian Howard; Plant Biology 102 Collectors 2012-4-29 2 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  UCD20023  Stellaria nitens C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1215 Napa 1 mile west of junction of Route 128 and Pope Valley Road. Serpentine hillside on S side of Lake Hennessy. Comment
  CAS-BOT-BC393989  Stellaria nitens John Thomas Howell 1931-4-2 6054 Napa Wooden valley Grade 4 miles east of Napa Comment
  UCD19317  Stephanomeria virgata M. A. Bibbo; E. Dean 2001-7-6 9 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 0.5 air miles from jct. with S Decker canyon rd. E (upslope) side of rd. 243 Comment
  UCD67887  Stephanomeria virgata subsp. pleurocarpa D. Sanchez-Mata; P. Rodriguez-Rojo 1996-10-19 s.n. Napa Knoxville-Berryessa Road. 220 Comment
  SEINET10603938  Stipa pulchra David D. Keck 1931-4-2 Keck 1033 Napa Wooden Valley road, east side of Napa Range, 8 miles from Napa Comment
  UC1292770  Streptanthus breweri Freed W. Hoffman 1947-9-11 1069 Napa Butts Canyon North Coast Ranges Comment
  CAS-BOT-BC87160  Streptanthus glandulosus subsp. glandulosus John H. Thomas 1955-5-21 5118 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 Comment
  JEPS106603  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 1998-5-20 3990 Napa Blue Ridge, +/-1.5 mi north of Mays Flat 548 Comment
  JEPS129170  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 2015-4-20 6075 Napa Fernandes/ Land Trust, Snell Peak area. Aetna Springs 7.5' Quad. Comment
  UC1063483  Streptanthus glandulosus subsp. glandulosus B. O. Schreiber 1938-4-24 2493 Napa 5.2 mi nne Napa; Napa Quadrangle, Wooden Valley Grade 274 Comment
Read comments
Jan 14 2009
  UC630660  Streptanthus glandulosus subsp. glandulosus John L. Morrison and Florence L. Morrison 1938-5-25 3001 Napa along Knoxville-Lower Lake road ca 0.7 mi from Knoxville (open s and sw slopes) Comment
  UCD160653  Streptanthus hesperidis Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8739 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  UCD164232  Streptanthus hesperidis N. Ivalu Cacho; Sharon Y. Strauss 2013-6-6 IC-SS 310 Napa Knoxville-Devilhead road, towards Hunting Creek.(Coordinates estimated by label maker). Comment
  UCD170467  Streptanthus hesperidis Daniel Potter; Ninh Khuu 2016-6-18 896 Napa Above upper Zim Zim Creek drainage east of Knoxville-Devihlead Road, just north and east of Knoxville Wildlife Area boundary. 557 Comment
  UCD149070  Streptanthus morrisonii G. Ledyard Stebbins 1985-6-17 C 533 Napa Northwest of Dunnigan Hill. West of Hunting Creek. Southwest of Knoxville. (Exact location unknown. Coordinates estimated by label maker.) 432 Comment
  UCR66571  Streptanthus morrisonii subsp. elatus Robert M. Specht 1977-5-15 884 Napa Serpentine barrens on N running ridge below Develhead Rd in drainage 473 Comment
  CAS-BOT-BC269541  Symphoricarpos albus var. laevigatus Alice Eastwood 1918-5-1 6852 Napa Mt. St. Helena Comment
  JEPS12888  Symphoricarpos albus var. laevigatus Willis L. Jepson 1893-9-24 Napa Angwin's; Napa River Basin, Howell Mt. Comment
  UCD19318  Symphoricarpos albus var. laevigatus M. A. Bibbo; E. Dean 2001-7-6 10 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West rd, ca. 0.8 air miles from jct. with S Decker canyon rd. 20 yards off of the road, up a small dry creek, on N facing slope of drainage. 198 Comment
  SBBG83707  Symphoricarpos mollis B. Wych 1975-5-29 33 Napa 2.1 mi N of intersection of St Hwy 128 and Wragg Cyn Rd Comment
  CAS-BOT-BC98080  Symphyotrichum lentum John Thomas Howell 1932-9-17 10758 Napa 3 miles west of Napa Comment
  UCD19337  Taeniatherum caput-medusae M. A. Bibbo; E. Dean 2001-7-6 29 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Near point of Quail Ridge, just south of powerline, ca. 0.5 air miles from jct of W and E roads, on top of ridge. 259 Comment
  HSC21381  Tamarix parviflora Greg Bos 1963-3-17 42 Napa Delta region, Montezuma Slough. 15 Comment
  CAS-BOT-BC376784  Tanacetum parthenium Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  JEPS31740  Taraxia ovata W. L. Jepson 1923-4-29 9885 Napa St. Helena Napa Valley Comment
  UC162793  Thalictrum fendleri var. polycarpum Joseph P. Tracy 1902-5-21 1586 Napa 3-4 mi Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 304 Comment
  UC9707  Thalictrum fendleri var. polycarpum Willis L. Jepson 1893-4-28 Napa gorge n Wooden Valley Grade; Napa River Basin Comment
  UCD96757  Thalictrum fendleri var. polycarpum H. J. Baade 1930-6-17 s.n. Napa Conn Valley. Comment
  UCD170212  Thermopsis californica var. californica Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 745 Napa Knoxville Wildlife Area, above and west of Berryessa-Knoxville Road. 396 Comment
  UCD18087  Thermopsis californica var. californica Ellen Dean; with PLB 102 class 2000-4-22 643 Napa McLaughlin Reserve. Just S of the site of the old town of Knoxville on the N side of the Knoxville-Berryessa Rd., W side of the road to Clover Valley. 402 Comment
  SBBG115391  Thermopsis californica var. californica T. Adams 1998-5-10 17 Napa 6 mi up Soda Cyn Rd Comment
  JEPS126134  Thlaspi arvense Jake Ruygt 2003-4-14 4497 Napa Near confluence of Foley and Eticuera Creek. Knoxville 7.5' Qua. Comment
  CAS-BOT-BC66483  Thysanocarpus curvipes John Thomas Howell 1931-4-2 6085 Napa Summit of Wooden Valley Grade. 8 miles east of Napa. Comment
  CAS-BOT-BC66493  Thysanocarpus curvipes David D. Keck 1931-4-2 1036 Napa Wooden Valley Road, east side of Napa Range, 8 miles from Napa. Comment
  UCD19948  Thysanocarpus curvipes Ellen Dean; Virginia Boucher 2002-2-28 897 Napa Quail Ridge Reserve. Along West Rd., 0.9 airline miles NNW of junction of West Rd and Decker Canyon trail. 274 Comment
  CAS-BOT-BC66507  Thysanocarpus curvipes John H. Thomas 1968-4-4 14274 Napa About 3 miles north of Calistoga on road to Lakeport. Comment
  JEPS54175  Thysanocarpus curvipes W. L. Jepson 1923-4-29 9895 Napa St. Helena; Little flat on border of foothills 91 Comment
  UCD14241  Thysanocarpus curvipes Lisa McNair 1974-4-4 11 Napa At Monicello Dam on Highway 128. 243 Comment
  UCD35559  Thysanocarpus curvipes Beecher Crampton 1958-4-22 4739 Napa State Highway 128, Markley Canyon, Vaca Mountains. Comment
  POM216228  Thysanocarpus curvipes var. curvipes D. D. Keck 1933-5-29 2352 Napa Pope Creek bridge south of Walters Springs. Comment
  RSA0039374  Thysanocarpus curvipes var. curvipes John Thomas Howell 1931-4-2 6097 Napa Napa Range, 9 miles from Monticello on road to Napa. Comment
  JEPS81602  Thysanocarpus curvipes var. elegans R. Raiche 1982-3-7 20190 Napa on Chiles and Pope Valley Road 1.3 mi n Sage Canyon Road Comment
  UCR17696  Thysanocarpus curvipes var. elegans E. Turula 1975-3-29 76 Napa Soda Canyon Road, 4.2 mi. east of Silverado Trail 213 Comment
  UCD74412  Thysanocarpus laciniatus Jake Ruygt 2003-4-22 4506 Napa About 2 miles north of Mays Flat near the top of the Blue Ridge. 731 Comment
  CDA12106  Thysanocarpus radians G. F. Hrusa 1989-4-24 5962 Napa North Coast Biodiversity Arena; Hwy 128, approx. 10 miles S of Pope Valley. Comment
  CAS-BOT-BC67309  Thysanocarpus radians David D. Keck 1931-4-2 1046 Napa 4 miles south of Monticello, eastern Napa county. Comment
  UCD159911  Torilis arvensis Alice Warrick 2007-5-1 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 Comment
  UCD47846  Torilis nodosa Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 1 Napa Southern end of McLaughlin UC Reserve, NE side of Knoxville-Berryessa Rd, W side of Knoxville Creek, 1 road mile S of the gate to old town of Knoxville. Comment
  CAS-BOT-BC85172  Torreya californica John A. Sutro 1971-9-8 s.n. Napa Sutro Ranch, Mt. Atlas Comment
  POM125420  Torreya californica Alice Eastwood 1923-5-9 11765 Napa Mount St. Helena Comment
  SEINET3073146 Image available Torreya californica Royal D. Suttkus 1967-6-26 67- 30 -22 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  UCD133451  Torreya californica C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1203 Napa 8 miles north of Calistoga on Hwy 29, 1.2 miles north of crest of Hwy 29 on Mt. St. Helena. Comment
  UCD110460  Toxicoscordion Christopher Mallek 2008-1 KX1- 7 -b Napa Knoxville. 593 Comment
  UCD15984  Toxicoscordion fontanum C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 1 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along W-side of Devilhead Rd. 38 deg. 49' 11.2'' N; 122 deg. 21' 11.7''W; 480 m. Comment
  UCD48284  Toxicoscordion fontanum S. E. Ratay; M. Disney,J. Westbrook,R. Wolfson,A. Houser,S. Wathen 2000-4-22 24 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles south of Berryessa-Knoxville Rd. 487 Comment
  UCD18019  Toxicoscordion micranthum Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 564 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. Along road leading up to air quality station. 545 Comment
  UCD125871  Trichostema laxum G. F. Hrusa; Dave Ragan 1988-9-4 5704 Napa Butts Creek, near Lake-Napa County lines. Comment
  JEPS108657  Trichostema ruygtii Jake Ruygt 2004-9-4 4656 Napa Las Posadas State Experimental Forest 524 Comment
  UCD121195  Trientalis latifolia Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7366 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Along undeveloped road that runs between the Fire Station and 4H camp. 526 Comment
  UCD107562  Trifolium albopurpureum R. Tofsrud 1951-5-20 s.n. Napa 4 miles W of Oakville. Comment
  UCD148800  Trifolium albopurpureum Ellen Dean; Diana Hickson 2014-4-29 8107 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 513 Comment
  HSC43999  Trifolium albopurpureum Robert M. Specht 1977-4-14 663 Napa N side of Nevada Creek 512 Comment
  UCD38291  Trifolium albopurpureum Beecher Crampton 1954-4-26 1786 Napa 2 miles SE of Monticello. Comment
  JEPS65845  Trifolium albopurpureum var. dichotomum W. L. Jepson 1893-4-25 13664 Napa w St. Helena (rd to Caux's Cabin); Hoods Peak Range Comment
  UCD107885  Trifolium bifidum R. Tofsrud 1951-5-20 s.n. Napa Yountville Cemetery. Comment
  UCD17964  Trifolium bifidum Ellen Dean; Kate Mawdsley 2001-4-9 683 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along Decker Ridge Trail at jct with South Decker Canyon Rd. 359 Comment
  UC1197178  Trifolium bifidum var. bifidum J. P. Tracy 1899-6-13 396 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mtn 365 Comment
  UCD83439  Trifolium bifidum var. decipiens Jake Ruygt 2005-3-28 4728 Napa Berryessa-Knoxville Rd., between Spanish Flat and Lake Berryessa Marina. 146 Comment
  UCD83440  Trifolium bifidum var. decipiens Jake Ruygt 1996-5-13 3677 Napa Wantrup Wildlife Sanctuary, Hardin Road, Pope Valley. 466 Comment
  JEPS106798  Trifolium ciliolatum Jake Ruygt 1979-4-29 562 Napa .4 miles west of HWY 29 on Kortum Canyon Road 201 Comment
  JEPS65798  Trifolium ciliolatum W. L. Jepson 1924-4-27 10368 Napa Toll House Mt. St. Helena Comment
  UC1543228  Trifolium ciliolatum Donald G. Nelson 1936-4-1 124 Napa along trail (to Green Valley Falls) Comment
  JEPS106801  Trifolium depauperatum var. depauperatum Jake Ruygt 1978-4-9 273 a Napa 2.2 miles NW of Dealy Lane on Henry Rd. 97 Comment
  UC16485  Trifolium depauperatum var. depauperatum Willis L. Jepson 1893-4-26 Napa La Lomita Comment
  JEPS65834  Trifolium depauperatum var. depauperatum W. L. Jepson 1893-5-1 13724 Napa rd from Kings Valley to Knights Valley upper Napa Valley Comment
  JEPS65837  Trifolium depauperatum var. depauperatum W. L. Jepson 1893-4-28 13738 Napa n Mt. George (plateau) Comment
  JEPS106829  Trifolium depauperatum var. hydrophilum Jake Ruygt 1996-4-11 3593 Napa Calistoga Airport 105 Comment
  JEPS95202  Trifolium depauperatum var. hydrophilum Jake Ruygt 1982-4-7 1173 Napa between Rocktram and Hwy 29 (221) Suscol Plain Comment
  UC162802  Trifolium depauperatum var. stenophyllum Joseph P. Tracy 1902-5-18 1541 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mtn 518 Comment
  UC165570  Trifolium depauperatum var. stenophyllum H. P. Chandler 1907-4-21 7522 Napa side of summit Comment
  JEPS106827  Trifolium depauperatum var. truncatum Jake Ruygt 1983-4-10 1415 Napa Suisun Creek Trail near HWY 121 242 Comment
  JEPS65737  Trifolium depauperatum var. truncatum W. L. Jepson 1915-4-23 6244 Napa Conn Valley Napa Range Comment
  RSA10688  Trifolium dichotomum Carl B. Wolf 1928-5-3 1799 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  UCD170821  Trifolium dichotomum 2018-4-28 4 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 154 Comment
  SEINET10577229 Image available Trifolium dichotomum Charles F. Baker 1903-4-20 Baker 2625 Napa Mt. St. Helena. Common about rocky summits. Comment
  UCD83436  Trifolium dichotomum Jake Ruygt 1983-4-17 1436 Napa Red Hill, Mt. St. Helena. 457 Comment
  UCD48021  Trifolium fucatum L. Lina; E. Anderson, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 25 Napa McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on west side of dirt road. 390 Comment
  UCD83445  Trifolium fucatum Jake Ruygt 1989-5-9 2317 Napa American Canyon, Avilla Ranch. 60 Comment
  POM18838  Trifolium fucatum var. fucatum C. F. Baker 1981 Napa Calistoga. Comment
  UCD18008  Trifolium glomeratum Ellen Dean; with Plant Biology 102 class 2001-4-28 740 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. north of jct. with South Decker Canyon Rd. 243 Comment
  UCD48982  Trifolium hirtum E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 11 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd. on W-facing slope 2400 as the crow flies ft. NW of the jct of West Rd. and South Decker Canyon Rd. Comment
  JEPS129081  Trifolium hydrophilum Jake Ruygt 2016-4-18 6194 y Napa South end Meridian Road, Fairfield. Comment
  UCD164839  Trifolium hydrophilum Jake Ruygt 2012-4-30 5842 Napa Fard property, Tubbs Lane south of Myrtledale, Calistoga. 118 Comment
  UC74979  Trifolium microcephalum C. F. Baker 1903-4-19 1994 Napa Calistoga Comment
  SEINET7389541  Trifolium microcephalum K. Suhr 1967-3-24 s.n. Napa Steele Park Resort, south shore of Lake Berryessa. Comment
  JEPS65986  Trifolium microdon W. L. Jepson 1938-5-20 18805 Napa above St. Helena Sanitarium (above the vineyard of John Ballentine); Howell Mtn Comment
  UCD109177  Trifolium microdon R. Tofsrud 1951-5-26 s.n. Napa Strut Canyon Road. Comment
  JEPS106716  Trifolium oliganthum Jake Ruygt 1996-4-9 3568 Napa Wontrop Wildlife Sanctuary 542 Comment
  UCD83423  Trifolium oliganthum Jake Ruygt 2003-5-17 4526 Napa Devil's Canyon, NW of 'The Crags' area of Archer Taylor Preserve. 603 Comment
  UCD17991  Trifolium subterraneum Ellen Dean; with Plant Biology 102 class 2001-4-14 717 Napa SE corner of Lake Berryessa, just W of Monticello Dam. Quail Ridge Reserve. Along South Decker Canyon Rd., just down slope from jct. with Decker Ridge Rd. 335 Comment
  UCD38371  Trifolium variegatum Beecher Crampton 1955-4-4 2389 Napa 2 miles north of Calistoga. Meadow supplied by waters of the Myrtledale Hot Springs. Comment
  JEPS4406  Trifolium variegatum var. melananthum W. L. Jepson 1893-4-24 13708 Napa hills e St. Helena (to Conn Valley Rd); Napa River Basin Comment
  UCD149706  Trifolium willdenovii Stephen P. Rae; Ayzik Solomeshch 2007-4-10 s.n. Napa Signorello Winery, 4500 Silverado Trail, ca. 1/4 km east of Silverado Trail. 65 Comment
  HSC15179  Trifolium willdenovii Greg Bos 1963-3-30 50 Napa 1.6 mi. up Old Toll Rd. out of Calistoga 305 Comment
  OBI12644  Trifolium willdenovii R. L. Hoover 1968-4-20 47 Napa On Howell Mtn rd, 2.6 mi NE of State Rte 29/128, on W side of rd Comment
  POM126389  Trifolium willdenovii C. F. Sonne 1895-04 1393 Napa Soda Springs. Comment
  UC16735  Trifolium willdenovii Willis L. Jepson 1893-5-1 Napa Knights Valley grade at divide Napa River Basin Comment
  UCD109894  Trifolium willdenovii R. Tofsrud 1951-5-26 s.n. Napa Strut Canyon Road. Comment
  UC1031218  Trillium chloropetalum Rolf Y. Berg 1954-4-8 Napa Sarco Creek in Howell Mt. (Hwy. 37); , Sarco Creek Comment
  RSA10656  Trillium chloropetalum var. chloropetalum Carl B. Wolf 1928-5-3 1833 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  CAS-BOT-BC521016  Trillium chloropetalum var. giganteum Carl B. Wolf 1928-5-3 1833 Napa Base of Mt. St. Helena Comment
  UCD123399  Triphysaria eriantha M. Wiesendanger 1927-5-4 670 Napa Near Monticello. Comment
  UCD18179  Triphysaria eriantha Eva Bayon; with Plant Biology 102 Class 2000-4-29 s.n. Napa Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville. 426 Comment
  JEPS10403  Triphysaria eriantha subsp. eriantha W. W. Mott 1915-4-26 2 Napa hills w Napa; hills w Napa Comment
  JEPS16798  Triphysaria eriantha subsp. eriantha Rimo Bacigalupi with John Dawson 1955-4-25 4846 Napa near junction of Lower Lake road with Calif. Highway 128 in Monticello Valley; field in Monticello Valley 94 Comment
  UCD16044  Triphysaria eriantha subsp. eriantha R. J. Flannery; C. Kennedy, L Condon, N. Strahan, C. Hallock 2000-4-22 29 Napa McLaughlin Reserve, McLaughlin Reserve, North of Knoxville. East of road. 38 deg. 49' 38.7' N; 122 deg. 20' 22.4' W; 420 m. Grassland, reddish-brown, clay, moist soil, flat land near stream, sunny. Herb, 2-2.5 dm tall, flower yellow. Comment
  CDA11594  Triphysaria versicolor subsp. faucibarbata G. F. Hrusa, S. Larson 1995-4-1 12060 Napa North Coast Biodiversity Arena; Pope Canyon Rd. approx. 1 m. E of intersection of Pope Valley-Chiles Valley Rd. and Pope Canyon Rd. Comment
  UCD123416  Triphysaria versicolor subsp. faucibarbata Gerald D. Carr; R. F. Denno 1971-5-13 546 Napa 1.5 miles northwest of Pope Valley on Pope Valley Road. Comment
  UCD148587  Triphysaria versicolor subsp. faucibarbata G. F. Hrusa; S. Larson 1995-4-10 12060 Napa Along Pope Canyon Road approximately 1 mile east of intersection of Pope Valley-Chiles Valley Road and Pope Canyon Road. 180 Comment
  HSC20861  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-4-18 417 Napa W Imola Ave., 1 mi. W of Hwy. 12 & 29 Comment
  UC1301199  Triphysaria versicolor subsp. faucibarbata Helen K. Sharsmith 1963-3-17 5239 Napa Henry Road e Napa; San Francisco Bay Region 121 Comment
  UC194282  Triphysaria versicolor subsp. faucibarbata C. F. Sonne April 1895 Napa Napa Valley Comment
  UCD73052  Trisetum canescens Ellen Dean; S. Rae 2008-5-21 4971 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 213 Comment
  UCD48796  Triteleia laxa Kook-Hyun Chung 2001-4-28 1 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; Along West Rd., ca. 0.45 mi (2400 ft.) NW of jct with South Decker Canyon Rd.; down slope of West Road ca. 1 m. 242 Comment
  UCR178675  Triteleia laxa Kook-Hyun Chung, M. Hauselt, C. Ineich, J. Deusterman 2001-4-28 001 Napa Vaca Mtns, Quail Ridge UC Reserve. SE corner of Lake Berryessa, just west of Monticello Dam, along West Road, c. 0.45 mi (2400 ft) NW of the junction with South Decker Canyon Road 242 Comment
Read comments
Jan 20 2009
  UCD139379  Triteleia laxa Alan P. Godlewski 1974-5-3 10 Napa west of Lake Berryessa, 800 yards from Highway 128. Comment
  JEPS110926  Triteleia lugens Jake Ruygt 1992-5-6 2950 Napa south of Mitten Lakes, Wild Horse Valley Ranch 414 Comment
  UC15022  Triteleia lugens J. P. Tracy 1902-5-15 1450 Napa 3-4 mi e Angwuns (head of Moore's Creek); Howell Mtn 457 Comment
  UCD167447  Triteleia peduncularis James A. Neilson Jr. 1979-5-25 3972 Napa 1/4 mi south old Knoxville store. (Neilson's notebook says 200 yards south of Knoxville Store, while notes on specimen say 1/4 mile south of old Knoxville store. Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD169874  Triteleia peduncularis Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 809 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 427 Comment
  SEINET3243502  Triteleia peduncularis Sally Walker 1981-1 H- 8 Napa Beside creek, 9.9 miles south of Middletown along Butts Canyon Road. Comment
  UC765431  Triteleia peduncularis R. F. Hoover 1941-5-10 5006 Napa betw St. Helena and Calistoga Comment
  CDA15405  Umbellularia californica G. F. Hrusa 1997-2-3 13618 Napa North Coast Biodiversity Arena; Slopes on SW margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam ~1/2 mi. Comment
  RSA699239  Umbellularia californica Keith E. Hoffmaster 1936-3-9 s.n. Napa Napa range, along Napa-Monticello road Comment
  UCD117761  Umbellularia californica Lisa Arimoto; Plant Biology 102 Collectors 2012-5-5 4 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 404 Comment
  UCD162094  Umbellularia californica Dylan O. Burge 2014-3-15 1491 Napa Mount Saint Helena. Comment
  CAS-BOT-BC91197  Umbellularia californica W. R. Dudley 1895-2-20 s.n. Napa Head of Knight's Valley. Comment
  UCD170678  Uropappus lindleyi 2018-4-28 1 Napa Cedar Roughs Wildlife Area, to the west of Lake Berryessa, on the south side of Pope Creek and Pope Canyon Road. Along Dollarhide Road (undeveloped road/trail) on the west side of Maxwell Creek. 158 Comment
  JEPS35682  Uropappus lindleyi W. L. Jepson 1936-5-31 17574 Napa between Toland House and Angwin (La Jota Plateau, Napa Range); Napa Range, La Jota Plateau Comment
  JEPS11173  Verbascum blattaria W. L. Jepson 1936-6-2 17607 Napa near bridge on road to Sanitarium St. Helena (banks of Napa River); , St. Helena Comment
  UCD124633  Verbascum thapsus Beecher Crampton 1962-10-9 6702 Napa 1.25 miles southwest of Angwin, Howell Mtn. Road. Conn Creek. Comment
  UCD50230  Verbascum virgatum S. Nichol 2004-4-1 s.n. Napa Intersection 128 and Pope Valley Rd, Napa. Comment
  CDA29780  Veronica americana M. K. Beyers, F. Favela, J. McDonnell 2009-8-29 211 Napa Lake Berryessa: In a moist, but drying arm of Lake Berryessa, off of Berryessa Knoxville Road, extending towards Capell Valley Road (Highway 128). 0 Comment
  JEPS110605  Veronica catenata Jake Ruygt 2004-6-12 4616 Napa 3/4 mi E of Blue Monday Mine 335 Comment
  UCD20828  Veronica persica N. Nicola 2001-3-30 044 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  UCD108688  Vicia americana subsp. americana K. Esau 1937-5-12 s.n. Napa Monticello-Napa Highway. Comment
  UCD108690  Vicia americana subsp. americana K. Esau; E. Hyde 1938-5-5 s.n. Napa Between Monticello and Napa. Comment
  JEPS106543  Vicia americana var. americana Jake Ruygt 1979-5-20 611 Napa 1 mile north of College Ave. on Howell Mtn. Rd. 548 Comment
  UC1543124  Vicia americana var. americana Charlotte G. Nast 1936-3-27 62 Napa Childs Canyon Comment
  UCD20827  Vicia sativa N. Nicola 2001-3-30 43 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  SEINET7042499  Vicia sativa A. G. Vestal 1963-4-7 s.n. Napa 3.8 miles north of Saint Helena on the Silverado Trail. Saint Helena quadrangle UTM Zone 10, 544281mE, 4266677mN. Comment
  UCD118136  Vicia sativa subsp. nigra Linnea Neuhaus; Plant Biology 102 Collectors 2012-4-29 3 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  UC2043154  Vicia villosa subsp. villosa Barbara Ertter with Jake Ruygt 1996-4-25 14602 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley. Comment
  UCD48004  Vicia villosa subsp. villosa A. Miles; E. Anderson, L. Lina, J. Waggoner, and R. Wenk 2000-4-22 26 Napa Napa County, California. McLaughlin reserve, North of Knoxville-Berryessa Road, South of old town of Knoxville. Collected on west side of dirt road. 390 Comment
  UC1328138  Viola douglasii Donald V. Hemphill 1940-3-23 59 Napa Pope Valley 304 Comment
  UCD15014  Viola douglasii Craig Homar 1977-4-8 7 Napa Along Berryessa-Knoxville Road, 34 miles west of Winters. Comment
  CDA11439  Viola lobata G. F. Hrusa, M. Tu 1995-5-6 12162 Napa North Coast Biodiversity Arena; Summit of Howell Mtn. in Las Posadas State Forest, vicinity of fire station. Comment