Search Results — 2000 specimen records retrieved (1475 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
  CAS-BOT-BC331523  Acer macrophyllum Elsa G. Ruckert 1960-4-24 114 Napa 6495 Dry Creek Road, at gate 365 Comment
  CAS-BOT-BC331525  Acer macrophyllum Alice Eastwood 1918-5-1 6870 Napa Mt. St. Helena Comment
  SEINET3477393  Acer macrophyllum Unknown 1965-8-23 7492 Napa Moskowite Corners, Moskowite Corners, 2.5 miles east, state highway 128 Comment
  UCD117127  Acer negundo Loren Ruport 1996-4-28 25 Napa city of Napa, near Napa College. South of Kaiser Road and West of Highway 129. 5 Comment
  JEPS127888  Achillea millefolium Adam C. Schneider with Dick O'Donnell 2013-5-26 216 Napa About 200 meters west of Butts Canyon Rd. Comment
  JEPS104507  Achyrachaena mollis Jake Ruygt 1989-5-2 2299 Napa Airport Rd., north side about .2 miles west of HWY 29 12 Comment
  JEPS29586  Achyrachaena mollis Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8443 Napa 4.8 mi n along Atlas Peak Road Vichy Springs (junct of Calif 37 with Atlas Peak Road); Milliken Reservoir (due west and above) 335 Comment
  UCD48568  Achyrachaena mollis Kook-Hyun Chung; J. Deusterman, C. Ineich, M. Hauselt 2001-4-28 14 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. 213 Comment
  JEPS17376  Achyrachaena mollis Rimo Bacigalupi with John Dawson 1955-4-25 4847 Napa near junct with Calif No 128 Lower Lake Rd; Monticello Valley 94 Comment
  UCD148816  Acmispon brachycarpus Ellen Dean; Diana Hickson 2014-4-29 8122 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  UCD168550  Acmispon brachycarpus 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
  UCD35291  Acmispon brachycarpus Beecher Crampton 1955-4-7 2433 Napa Napa County; 7.8 miles north of Monticello. Comment
  UCD149694  Acmispon parviflorus 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
  UCD149712  Acmispon parviflorus 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
  UCD48946  Acmispon parviflorus Kook-Hyun Chung; M. Hauselt, C. Ineich, and J. Deusterman 2001-4-28 11 Napa Quail Ridge Reserve; SE corner of Lake Berryessa, just W of Monticello Dam; along West Rd., ca. 0.45 miles (2400 ft) 'as the crow' flies NW of jct with South Decker Canyon Rd.; along roadside. 243 Comment
  UCD148810  Acmispon wrangelianus Ellen Dean; Diana Hickson 2014-4-29 8117 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD17993  Acmispon wrangelianus Ellen Dean; with Plant Biology 102 class 2001-4-14 719 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
  JEPS44791  Adenostoma fasciculatum W. L. Jepson 1904-6-3 2448 Napa Howell Mt. Comment
  UC154128  Adenostoma fasciculatum J. P. Tracy 1905-7-6 2230 Napa 3 - 4 mi. e. Angwin's (head of Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 457 Comment
  UCD49132  Adenostoma fasciculatum E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 21 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. Down a steep SW-facing slope, about 20 ft. below trail. 231 Comment
  RSA60355  Adenostoma fasciculatum var. fasciculatum G. R. Campbell 1948-6-18 658 Napa 10 miles south of Montecello Comment
  UCD48355  Adiantum jordanii Anne Mini; K. McBride, S. Snow, K. Ehmsen 2001-4-14 20 Napa Quail Ridge Reserve, southeast corner of Lake Berryessa, just west of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just south of junction with Cut Off Rd., near creek bed. 167 Comment
  CAS-BOT-BC65665  Adiantum jordanii Evalina Cannon 1901-7-13 s.n. Napa Johannisberg Comment
  UCD20431  Aegilops triuncialis E. Dean; w/ PLB 102 class 2002-5-4 1019 Napa Quail Ridge UC Reserve, SE corner of Lake Berryessa, just west of Monticello Dam. Near tip of peninsula, N of junction of East and West roads, along upper road leading to powerlines, steep, N-facing slope. 286 Comment
  UCD69067  Agoseris grandiflora P. Rodriguez-Rojo 1997-5-31 Napa Lower Chiles Valley Rd. Roadcuts, serpentine soils. UTM: 10SEN6261 240 Comment
  RSA0009530  Agoseris grandiflora Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  SBBG7511  Agoseris grandiflora H. and M. Dearing 1939-5-2 3829 Napa near Napa Comment
  JEPS36376  Agoseris grandiflora var. grandiflora W. L. Jepson 1893-4-24 Napa hills e of, on route to Conn Valley St. Helena; Napa Valley River Basin, Conn Valley Comment
Read comments
Jan 18 2009
  UC768683  Agoseris grandiflora var. grandiflora Robert F. Hoover 1941-6-8 5323 Napa E side of Mt. St. Helena. Comment
  JEPS36238  Agoseris grandiflora var. grandiflora W. L. Jepson 1936-6-2 17611 Napa east, hills, dry hilltop Yountville Comment
  UCD128604  Agoseris heterophylla Heidi E. M. Dobson 1978-6-20 344 Napa East slope of Mt. Veeder. Comment
  UCD161571  Agoseris heterophylla Jake Ruygt 2006-5-4 5007 Napa Wildlake Ranch, south of hunting camp. (Coordinates converted from UTM data by label maker). 676 Comment
  UCD128611  Agoseris heterophylla Jerald W. Riekels 1961-4-29 29 Napa Wragg Canyon, 0.25 mile from State Highway 128. 121 Comment
  UC165998  Agoseris heterophylla var. cryptopleura J. P. Tracy 1902-5-21 1602 Napa 3 to 4 mis e, (head of Moore's Cr) Angwin's; Howell Mt., Moore's Creek 426 Comment
  CAS-BOT-BC13319  Agoseris retrorsa Peter H. Raven 1964-5-9 19064 Napa Along dirt road 2 miles west of Aetna Springs. Comment
  JEPS104577  Agoseris retrorsa Jake Ruygt 1982-5-26 1293 Napa Mt. St. Helena toward The Palisades. Deter Reservoir 7.5' Quad. 731 Comment
  CAS-BOT-BC127139  Agrostis exarata John Thomas Howell 1940-5-19 15445 Napa Near Calistoga. Comment
  UC187235  Agrostis exarata Joseph P. Tracy 1905-7-6 2228 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  UCD149571  Agrostis exarata 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
  UCD52141  Agrostis exarata Beecher Crampton 1958-11-6 5136 Napa above Capell Creek, north end of Capell Valley. Comment
  POM126099  Agrostis microphylla Joseph P. Tracy 1903-5-15 1856 Napa Calistoga Hot Springs 91 Comment
  UC187234  Agrostis microphylla Joseph P. Tracy 1903-5-15 1856 Napa Calistoga Hot Springs Northern Coast Ranges, Calistoga Hot Springs 91 Comment
  UCD53032  Agrostis microphylla A. A. Beetle 1946-5-7 4257 Napa 2 miles N of Calistoga at Myrtledale Hot Springs. Comment
  CAS-BOT-BC139018  Agrostis pallens Joseph P. Tracy 1905-7-5 2210 Napa Northern Coast Ranges. Howell Mountain. On hills at head of Moore's Creek, 3-4 miles east of Angwin's. 365 Comment
  JEPS71141  Agrostis pallens W. L. Jepson 1936-7-3 17636 Napa Four Corners Napa Range, Howell Mt. Comment
  UC1103527  Agrostis pallens J. P. Tracy 1899-6-26 350 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 365 Comment
  UCD170422  Aira caryophyllea Daniel Potter; Daniel McNair 2017-4-23 903 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  UCD19311  Aira caryophyllea M. A. Bibbo; E. Dean 2001-7-6 3 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. 0.5 air miles from research station. E (upslope) side of the road. 259 Comment
  JEPS123026  Aira elegans Jake Ruygt 1982-4-29 1214 Napa Suscol plain east of Kaiser Steel, west of Highway 29 (221). Quad: Napa. Comment
  CAS-BOT-BC461084  Allium amplectens M. S. Jussel 1937-5-23 s.n. Napa Palisades Comment
  CAS-BOT-BC461085  Allium amplectens Lester Rowntree 1938-5-16 s.n. Napa Alta Peack [Atlas Peak?], near Napa Comment
  JEPS47556  Allium amplectens W. L. Jepson 1938-5-18 18791 Napa slope above St. Helena Sanitarium; Howell Mt. Comment
  SJSU1352  Allium falcifolium J. W. Tilden 1953-5-24 1041 Napa NE slope Mt St Helena 457 Comment
  UC1278731  Allium falcifolium G. L. Stebbins Jr. 1948-5-9 3936 Napa on road to Napa 8 mi s Monticello (w side of Steel Canyon); Steel Canyon Comment
  UCD138526  Allium falcifolium L. P. Thibault 1995-5-19 39 Napa Highway 128, ca. 1/2 mile W of intersection with Lower Chiles Valley Road and W of Sage Creek. 250 Comment
  UCD48253  Allium falcifolium Michele Disney; J. Westbrook,S. Ratay,R. Wolfson,A. Houser,S. Wathen 2000-4-22 30 Napa Napa Co., McLaughlin Reserve, along east side of Devilhead Rd at ridge approx. 0.5 miles sout of Berryessa-Knoxville Rd. 533 Comment
  CAS-BOT-BC469026  Allium falcifolium John Morrison; Annetta Carter 1938-4-24 1355 Napa 0.6 miles west of Knoxville on road from Monticello to Lower Lake. Comment
  CAS-BOT-BC469027  Allium falcifolium David D. Keck 1931-4-3 1071 Napa Near Walter Springs, Pope Creek Canyon, 5 1/2 miles E of Pope Valley Comment
  SEINET8122132  Allium falcifolium M. J. Williams 1967-5-7 s.n. Napa Butts Canyon. 244 Comment
  SEINET8122134  Allium falcifolium W. Roderick 1967-5-7 s.n. Napa Butts Canyon. 457 Comment
  UCD20505  Allium fimbriatum var. fimbriatum E. Dean; w/ Rob Weiss, Layne Huiet, and Kate Mawdsley 2002-6-2 1078 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
  JEPS110937  Allium fimbriatum var. purdyi Jake Ruygt 2003-5-5 4514 Napa Knoxsvill Wildlife Area, S of old Knoxville site 426 Comment
  CAS-BOT-BC476618  Allium unifolium John Thomas Howell 1931-4-19 6462 Napa Conn Valley Comment
  UCD148579  Allium vineale Jake Ruygt 1986-6-20 1826 Napa Napa County; between Tulocay Creek and Imola Ave. 3 Comment
  NY452055  Allocarya piperi A. A. Heller 1902-4-25 5361 Napa Near Napa Comment
  UCD167208  Allophyllum divaricatum Jake Ruygt 1998-4-18 3924 Napa Blue Ridge about 1.5 mile north of Mays Flat. 731 Comment
  HSC44005  Allophyllum glutinosum Robert M. Specht 1977-4-19 694 Napa Above drainage running NE from Adams Creek. 518 Comment
  JEPS129062  Allotropa virgata Jake Ruygt 1986-5-24 1793 Napa Livermore Road east of orchard. Detert Reservoir 7.5' Quad. Comment
  POM262798  Allotropa virgata J. C. Roos 1939-5-7 298 Napa Ink Grade near Angwin, Napa Range. Comment
  JEPS123021  Alopecurus saccatus Jake Ruygt 1982-6-1 1305 Napa 0.3 mile north of Chimney Rock Golf Course. Quad: Yountville. Comment
  CHSC103021  Amaranthus blitoides Lowell Ahart 2009-10-12 16469 Napa 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 Winters. 133 Comment
  CAS-BOT-BC45032  Ambrosia psilostachya Peter H. Raven 1951-9-9 3899 Napa Near Slaughterhouse Point, Napa River 0 Comment
  UCD39198  Amelanchier alnifolia Beecher Crampton 1953-5-19 1306 Napa 12 miles east of Rutherford, Highway 128. Comment
  CAS-BOT-BC136748  Amelanchier utahensis John Thomas Howell 1940-5-19 15447 Napa Upper St. Helena Creek Comment
  JEPS16024  Ammi majus W. L. Jepson Sep 23 1893-Sep 25 1893 14204 Napa Yountville Comment
  JEPS106983  Amorpha californica var. napensis Gordon E. McBride 2001-5-10 s. n. Napa on both sides of Dry Creek Road about 100 yds E of the interection with Wall Road, about five mi W of Oakville (just N of Yountville) Comment
  UC1199062  Amorpha californica var. napensis Joseph P. Tracy 1899-7-12 390 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 457 Comment
  JEPS123020  Ampelodesmos mauritanicus Jake Ruygt 1993-11-29 3293 Napa Approximate 2.5 miles NE of Silverado Trail on Lawly Toll Road. Quad: Detert Reservoir. Comment
  JEPS61143  Amsinckia intermedia W. L. Jepson 1900-3-10 535 Napa St. Helena 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
  JEPS61120  Amsinckia intermedia Willis L. Jepson 1893-1 21081 Napa Angivins Meadows; Napa River Basin, Howell Mountain, Napa Range Comment
  UC1094056  Amsinckia intermedia Francia Chisaki 1954-4-15 591 Napa about 1 mi s of entrance to State Hospital on Highway #29 Comment
  UC573154  Amsinckia intermedia Herbert L. Mason 1926-3-20 2755 Napa Calistoga Comment
  UCD170350  Amsinckia lunaris Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 849 Napa Knoxville Wildlife Area, along Nevada Creek. 452 Comment
  UC24615  Amsinckia lycopsoides Willis L. Jepson 1891-5-1 Napa Upper Conn Valley; Napa River Basin Comment
  JEPS24905  Amsinckia lycopsoides W. L. Jepson 1893-1 21078 Napa St. Helena; Napa Valley, St. Helena Comment
  JEPS126114  Amsinckia menziesii Jake Ruygt 1992-4-7 2893 Napa Southwest corner of Tuteur Ranch, end Green Valley Road. Mount George 7.5' Qua. Comment
  JEPS112621  Anagallis arvensis Jake Ruygt 1976-5-31 107 Napa .3 mile east of Hillcrest Dr. on Westgate Drive 79 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
  UCD170199  Anagallis arvensis Daniel Potter 2015-3-14 758 Napa Knoxville Wildlife Area, west of Zim Zim Creek. 358 Comment
  UCD18486  Anagallis arvensis P. J. Plummer 1995-5-27 s.n. Napa off Hwy 128. 335 Comment
  UCD19934  Anagallis arvensis E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 792 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  CDA11896  Ancistrocarphus filagineus G. F. Hrusa, G. L. Stebbins 1994-4-8 11723 Napa North Coast Biodiversity Arena; Approx. 1/2 mile above Aetna Springs Resort. Comment
  CDA13136  Angelica tomentosa G. F. Hrusa, R. Gross 1996-6-3 13071 Napa North Coast Biodiversity Arena; Along lower Ida Clayton Rd, on Foote Ranch, NW side of Mt. St. Helena. Sheet 1 of 3 Comment
  CDA40902  Angelica tomentosa G. F. Hrusa, R. Gross 1996-6-3 13071 Napa North Coast Biodiversity Arena; Along lower Ida Clayton Rd, on Foote Ranch, NW side of Mt. St. Helena. Sheet 3 of 3 Comment
  HSC71976  Angelica tomentosa J. M. DiTomaso 1980-7-8 1740 Napa N side of Mt. St. Helena at 48.45 mi mark on Hwy 29 610 Comment
  SBBG8596  Anisocarpus madioides H. and M. Dearing 1939-5-1 3241 Napa St Helena Comment
  UCD127276  Anthriscus caucalis J. M. Tucker 1953-5-3 2643 Napa east side of Napa Valley, around 2 miles north of St. Helena. Comment
  UCD63855  Antirrhinum cornutum Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road from Morgan Valley Road. 650 Comment
  JEPS83369  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-8-11 335 Napa 1.9 mi from Barnett Road start (along valley of Pope Creek at an area reached by traveling private vineyard roads); Aetna Springs Quad. (7.5', 1958) 195 Comment
  JEPS83372  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-15 331 Napa just n Walter Springs Road intersection with Pope Canyon Road (3.2 mi e of Hardin Road, on n side of gravel road to Walter Springs, roadcut above Pope Creek); Walter Springs Quad. (7.5', 1959) 182 Comment
  UCD170280  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Daniel Potter; Ninh Khuu, Sarah Dohle, James Shoulders 2015-6-13 814 Napa Knoxville Wildlife Area, along Nevada Creek. 471 Comment
  JEPS5286  Antirrhinum virga Willis L. Jepson 1893-6-26 21298 Napa Howell Mt. Napa River Basin (above Toland House) Comment
  RSA80428  Antirrhinum virga Joseph A. Ewan 1933-9-17 8017 Napa Near Stevenson Monument, Mt St Helena Comment
  UC147871  Antirrhinum virga J. P. Tracy 1899-6-18 368 Napa 3-4 mi e Angwin's (La Jota Plateau, Head of Moore's Creek); Howell Mountain, Moore's Creek, La Jota Plateau 518 Comment
  UC483303  Aphanes macrosepala Ira L. Wiggins 1932-3-12 5763 Napa between Franz Valley and Calistoga Comment
  HSC24622  Aphanes occidentalis I. L. Wiggins 1932-3-12 5763 Napa Hillside between Franz Valley and Calistoga Comment
  JEPS104567  Apiastrum angustifolium Jake Ruygt 1982-4-4 1165 Napa 3.2 miles north of Loma Vista Rd. on Soda Canyon Rd. 335 Comment
  JEPS104565  Apium graveolens Jake Ruygt 1981-7-19 1066 Napa Fagan's Marsh 1 Comment
  UC1537514  Apocynum androsaemifolium Gordon H. True Jr. 1937-6-21 735 Napa near Lokoya Lodge Lokoya Lodge 365 Comment
  UC449669  Apocynum androsaemifolium unknown 1910-7-27 Napa near Angwin Angwin Comment
  JEPS104488  Apocynum cannabinum Jake Ruygt 1991-6-22 2731 Napa 4.3 miles north of stone bridge over Eti cuera Cr.;Berry-Knox. 233 Comment
  UCR44910  Aquilegia eximia L. F. LaPre, R. Bjork 1986-7-13 s.n. Napa Inner North Coast Ranges, Hunting Creek, 0.5 mi south of Dunnigan Hill. SE of Clear Lake, near the county line. 335 Comment
  SEINET5721765 Image available Aquilegia eximia Robert A. Christison 1960-1 55 Napa State Hwy 37 ca. 16.3 miles from Napa.; Napa 23 Comment
  JEPS106773  Arabis glabra Jake Ruygt 1983-4-3 1405 Napa east end of Green Valley Rd. 432 Comment
  JEPS106845  Arabis glabra Jake Ruygt 1992-4-7 2892 Napa Tuteur Ranch, SW corner 365 Comment
  RSA797289  Arbutus menziesii Keith E. Hoffmaster 1946-3-23 1064 Napa Napa range, along Napa-Monticello road Comment
  UC650408  Arbutus menziesii Ira L. Wiggins 1928-3-25 2885 Napa 1 1/2 mi ne of Calistoga Comment
  UCD118558  Arbutus menziesii Kaya MacMillen; Plant Biology 102 Collectors 2012-4-29 1 Napa Las Posadas State Experimental Forest. Near entrance gate on Las Posadas Rd. by fire station. 520 Comment
  JEPS38624  Arctostaphylos canescens W. L. Jepson 1913-4-15 5311 Napa La Jota Plateau Howell Mountain Comment
  LA42154  Arctostaphylos canescens Joseph Andorfer Ewan; 1937-5-23 10335 Napa Mount Saint Helena, Summit trail Comment
  CAS-BOT-BC23956  Arctostaphylos canescens subsp. canescens Carl B. Wolf 1928-5-4 1858 Napa Mt. St. Helena Comment
  CAS-BOT-BC23982  Arctostaphylos canescens subsp. canescens Alice Eastwood 1918-9-3 7943 Napa Mt. St. Helena Comment
  CAS-BOT-BC23999  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11108 Napa Mt. St. Helena Comment
  CAS-BOT-BC24019  Arctostaphylos canescens subsp. canescens Lester Rowntree 1937-7-9 s.n. Napa Monticello Road Comment
  RSA10630  Arctostaphylos canescens subsp. canescens C. B. Wolf 1923-5-4 1861 Napa Upper slopes of Mt. St. Helena. Comment
  RSA203083  Arctostaphylos canescens subsp. canescens Alice Eastwood 1922-3-26 11109 Napa Mt. St. Helena Comment
  UC763159  Arctostaphylos canescens subsp. canescens R. F. Hoover 1941-4-27 4947 Napa e side Mt. St. Helena Comment
  UCD50911  Arctostaphylos glandulosa Amelie Blyth 1952-4-27 6- 8 Napa Along road near top of Mt. Vaca, Napa-Solano County line. Comment
  UCD51496  Arctostaphylos glandulosa Collector unknown Date Unknown Napa Comment
  CAS-BOT-BC24865  Arctostaphylos glandulosa subsp. cushingiana Lewis S. Rose 1964-4-2 64016 Napa 2 mi. sw. of Angwin. 243 Comment
  UC421585  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1930-3-23 4562 Napa near Mt. St. Helena Comment
  LA42186  Arctostaphylos manzanita C. B. Wolf; 1928-5-4 1861 Napa Mt St Helena Comment
  UCSB32987  Arctostaphylos manzanita Haller, John 1979-5-4 Napa Mead Ranch; near Atlas Peak Road; about 5 miles (by road) north of State Highway 121; 9 miles north of Napa 487 Comment
  CDA38702  Arctostaphylos manzanita T. C. Fuller 1962-3-27 7892 Napa Road to Lake Berryessa (Hwy 37), 3.8 miles north of Wooden Valley. 0 Comment
  JEPS68362  Arctostaphylos manzanita subsp. elegans L. R. Heckard 1972-6-26 2996 Napa rocky flat near radar station (se of lookout on top of mt.); Mt. St. Helena 1219 Comment
  CAS-BOT-BC24289  Arctostaphylos manzanita subsp. manzanita E. A. Goldman 1907-12-29 76 Napa St. Helena. Comment
  CAS-BOT-BC38728  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1930-7-13 5357 Napa Chaparral on the edge of the Crater Country Comment
  CAS-BOT-BC38759  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1923-5-25 955 Napa Suisun Creek between Rockville and Wooden Valley Comment
  JEPS122805  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-21 5109 Napa Howell Mtn Road, 0.2 mi SW of Conn Valley Road. QUAD: St. Helena. Comment
  JEPS122807  Arctostaphylos manzanita subsp. manzanita Jake Ruygt 2007-1-23 5116 Napa Whitehall Lane at west end of county road. QUAD: Rutherford. Comment
  JEPS38708  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1898-1-4 14715 Napa Howell Mt. Howell Mt. (near type locality) Comment
  JEPS78437  Arctostaphylos manzanita subsp. manzanita Edward Lee 1936-3-15 1804 Napa 3/4 mi out Rutherford (Rutherford-Pope Valley road); Rutherford-Pope Valley road Comment
  RSA15676  Arctostaphylos manzanita subsp. manzanita C. B. Wolf 1928-2-25 1492 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  UC909842  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-10 646 Napa Mt. St. Helena Comment
  JEPS38739  Arctostaphylos manzanita subsp. manzanita Willis L. Jepson 1896-2-22 14711 Napa foothills Napa River Basin, Howell Mt. Grade Comment
  CAS-BOT-BC43829  Arctostaphylos stanfordiana H. E. McMinn 1925-1-23 1364 b Napa Summit Wooden Valley grade Comment
  CAS-BOT-BC43837  Arctostaphylos stanfordiana C. C. Parry 1887-3-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC43841  Arctostaphylos stanfordiana Alice Eastwood 1918-9-3 7940 Napa Mt. St. Helena Comment
  CAS-BOT-BC43854  Arctostaphylos stanfordiana Mrs. E. Wright 1920-2-22 s.n. Napa Calistoga Comment
  CAS-BOT-BC43858  Arctostaphylos stanfordiana Alice Eastwood 1918-5-1 6861 Napa Mt. St. Helena Comment
  CHSC83149  Arctostaphylos stanfordiana Beecher Crampton 1962-5-16 6429 Napa 0.5 mile west of Aetna Springs. Comment
  HSC7719  Arctostaphylos stanfordiana C. B. Wolf 1928-2-25 1504 Napa 1 mi. N of summit of Mt. St. Helena grade Comment
  JEPS38680  Arctostaphylos stanfordiana W. L. Jepson 1916-8-6 6827 Napa summit Napa Range, Howell Mt. Comment
  UC1303138  Arctostaphylos stanfordiana Ira L. Wiggins 1932-3-12 5767 Napa hillside between Calistoga and Franz Valley Comment
  UC205100  Arctostaphylos stanfordiana Katharine Brandegee Napa Anguins Comment
  UCD53846  Arctostaphylos stanfordiana Roman Gankin 1966-2-26 679 Napa Ca. 100 yards up hill from gate at roadway; property west of Macdonald Ranch; Las Posadas State Forest. Comment
  UCD53857  Arctostaphylos stanfordiana Beecher Crampton 1962-5-16 6429 Napa 1/2 mile W Aetna Springs. Comment
  UCR23649  Arctostaphylos stanfordiana John C. Roos 1939-1-21 300 Napa North Coast Range, Pacific Union College, Angwin 549 Comment
  UCR58383  Arctostaphylos stanfordiana Walter Knight, I. Knight 1980-6-14 3759 Napa Original from Mt. St. Helena (Now in Tilden Regional Park Botanic Garden) Comment
  SEINET11977846  Arctostaphylos stanfordiana L. S. Rose 1937-1 37019 Napa Wooden Valley Grade, 8 mi NE of Napa 274 Comment
  CHSC106019  Arctostaphylos stanfordiana subsp. decumbens Ayzik Solomeschch 2007-8-7 Napa Oakville Ranch, ca. 6 miles northwest from Yountville. On Hwy. 29 take 'Oakville Grade' road, ca. 3 miles north from Yountville. UTM: 10S, 649329, 4251184. 205 Comment
  JEPS106413  Arctostaphylos stanfordiana subsp. stanfordiana Jake Ruygt 1990-3-3 2440 Napa Leoma Lakes, Wild Horse Valley Ranch 420 Comment
  POM202671  Arctostaphylos stanfordiana subsp. stanfordiana Alice Eastwood 1922-3-25 11089 Napa Calistoga Comment
  POM263487  Arctostaphylos stanfordiana subsp. stanfordiana J. C. Roos 1939-1-21 300 Napa Angwin. 366 Comment
  POM367457  Arctostaphylos stanfordiana subsp. stanfordiana Lester Rowntree 1930-7-17 s.n. Napa Napa Comment
  UC2026413  Arctostaphylos stanfordiana subsp. stanfordiana Louis C. Wheeler 1952-8-30 6876 Napa MANGANESE RIDGE: Moore Creek, Howell Mountain. Comment
  JEPS106408  Arctostaphylos viscida subsp. pulchella Jake Ruygt 1996-2-24 3518 Napa NE of Big Basin, along Pocock Creek Rd. 426 Comment
  UC763112  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1941-4-26 4915 Napa between Samuel Sprs. and Walter Sprs.; Pope Creek canyon Comment
  CAS-BOT-BC47454  Arctostaphylos viscida subsp. viscida H. E. McMinn 1922-6-8 198 Napa in Pope Creek Canyon Comment
  UCD118543  Arctostaphylos viscida subsp. viscida Roxanne Faure; Plant Biology 102 Collectors 2012-5-5 3 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, along undeveloped road. 404 Comment
  SFV957  Aristolochia californica H. Dearing, M. Dearing 1940-3-20 4147 Napa Near Napa. Comment
  JEPS104505  Arnica discoidea Jake Ruygt 1979-6-3 669 Napa Aetna Springs Rd. 670 Comment
  UC767467  Arnica discoidea R. F. Hoover 1941-5-10 5014 Napa e side Mt. St. Helena Comment
  JEPS35590  Arnica discoidea L. R. Heckard 1964-6-11 1364 Napa along Cal. 121 about 1/2 mi w of the first road summit e of Napa Comment
  UCD161511  Arnica discoidea Jake Ruygt 1989-5-20 2343 Napa Vaca Mountains about 1 mile north of Mt. Vaca. 804 Comment
  UCD164773  Arrhenatherum elatius Jake Ruygt 2014-5-19 5947 Napa Sutro Ranch, Atlas Peak. 740 Comment
  JEPS104524  Artemisia californica Jake Ruygt 1979-11-24 798 Napa 2.3 miles north of Monticello Rd. on Atlas Peak Rd. 79 Comment
  CHSC102303  Artemisia douglasiana Lowell Ahart 2009-10-12 16416 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. 437 Comment
  UCD137319  Aspidotis densa R. L. Smith 1948-4-17 s.n. Napa Pope Valley, 5 miles north of Aetna Springs. Comment
  UC424857  Astragalus breweri Milo S. Baker Apr 15 1929-Apr 26 1929 3567 a Napa near Calistoga Geyser; near Calistoga Geyser Comment
  UCD38369  Astragalus breweri Beecher Crampton 1955-4-4 2387 Napa 2 miles north of Calistoga. Meadow supplied by waters of the Myrtledale Hot Springs. Comment
  UCR146403  Astragalus breweri Beecher Crampton 1961-4-6 5854 Napa Inner North Coast Ranges, 1 mile north of Moskowite Corners, along State Hwy. 128 244 Comment
  HSC103505  Astragalus breweri Thomas W. Nelson, Jane Nelson 1981-4-14 6392 Napa Along jeep road past Upper Hunting Creek Campground, where road crosses vernal stream. 366 Comment
  HSC103541  Astragalus breweri Thomas W. Nelson, Jane Nelson 1981-4-14 6391 Napa Junction of Morgan Valley and Devil's Head Roads. 457 Comment
  JEPS2754 Image available Astragalus claranus Clara A. Hunt 1909-4-8 Napa St. Helena; ; St. Helena, Napa Co. Comment
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Aug 6 2014
  UC764094  Astragalus clevelandii R. F. Hoover 1938-9-23 3863 Napa Canyon of South Fork Butts Creek Comment
  SEINET898796  Astragalus didymocarpus Frank W. Gould 1938-1 98 Napa One mile north-west of Yountville. 152 Comment
  CAS-BOT-BC178292  Astragalus gambelianus John Thomas Howell 1931-4-19 6444 Napa Conn Valley Comment
  UCD104803  Astragalus gambelianus P. Rodriguez-Rojo 1997-4-20 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  UCD164869  Astragalus rattanii var. jepsonianus Jake Ruygt 2012-11-3 5888 Napa Barton Hill, northwest shore of Lake Berryessa. 128 Comment
  CAS-BOT-BC17533  Athysanus pusillus Alice Eastwood 1923-5-9 11752 Napa Mount St. Helena. Comment
  JEPS53211  Athysanus pusillus W. L. Jepson 1936-4-5 17416 a Napa Knoxville, ne Napa County Knoxville Comment
  SEINET3165955  Athysanus pusillus C. D. Bailey 2008-3-19 260 Napa East of the town of Napa along Combsville Rd. Follow onto Wild Horse Valley Rd. as Combsville Rd. comes to an end. Ca. 1 mile up Wild Horse Valley Rd. on a road cut. 183 Comment
  UCD148789  Athysanus pusillus Ellen Dean; Diana Hickson 2014-4-29 8097 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 Comment
  UCD19951  Athysanus pusillus E. A. Dean; Virginia Boucher 2002-2-28 893 Napa Quail Ridge Reserve. Along West Rd. 0.4 airline miles NW of junction of West Rd. and Decker Canyon Rd. 274 Comment
  UCR23605  Athysanus pusillus John C. Roos 1939-4-18 277 Napa North Coast Range, Pacific Union College; Angwin 549 Comment
  UC14310  Athysanus pusillus Platt 1898-1 Napa Vaca Mountains Comment
  UCD18015  Athysanus pusillus Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 560 Napa Napa County. McLaughlin Reserve. South side of Knoxville-Berryessa Rd., just north of Hunting Creek, SE of Research Hill, by turnout and gate. Joe Callizo calls this area 'Cloaca of Morgan Valley. 609 Comment
  CDA10913  Avena barbata G. F. Hrusa, M. Rejmanek 1993-5-15 11009 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  HSC43958  Avena barbata Robert M. Specht 1977-4-19 682 Napa Above drainage running NE from Adams Creek. 518 Comment
  UCD56245  Avena barbata Beecher Crampton 1965-6-30 7407 Napa Solano -- Napa Co.: Mt. Vaca. Vaca Mtns. 872 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
  CAS-BOT-BC145928  Avena fatua Peter H. Raven 1954-2-22 6407 Napa Orchard at west end of Saint Helena. 60 Comment
  JEPS122714  Baccharis glutinosa Jake Ruygt 1982-7-21 1376 Napa Edgerley Island. Quad: Cuttings Warf. Comment
  POM350407  Baccharis pilularis J. T. Howell 1932-10-8 10802 Napa Napa River levee at Cuttings Wharf Comment
  JEPS42569  Barbarea orthoceras W. L. Jepson 1924-4-6 10319 Napa Howell Mountain Napa RAnge 914 Comment
  UCD48663  Barbarea verna Anne Mini; K. McBride, S. Snow, K. Ehmsen 2001-4-14 22 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along S. Decker Canyon Rd., just S of jct with Cut-Off Rd., W side of creek. 167 Comment
  UCD56781  Beckmannia syzigachne H. J. Baade 1942-6-12 s.n. Napa Napa Co. 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
  JEPS120385  Berberis aquifolium var. aquifolium Jake Ruygt 1986-3-16 1647 Napa 4.5 miles north of Westgate Drive on Atlas Peak Road Comment
  CAS-BOT-BC75902  Berberis piperiana Elsa G. Ruckert 1960-4-2 61 Napa 6556 Dry Creek Road. Grounds around house. 365 Comment
  UCD148774  Beta vulgaris subsp. maritima Jake Ruygt 1991-9-14 2838 Napa Napa County; American Canyon, northwest of end of Mini Drive. 2 Comment
  UCD75842  Boechera arcuata Jake Ruygt 2003-4-22 4504 Napa about 2 miles north of Mays flat near the top of the Blue Ridge. 731 Comment
  UCD74382  Boechera breweri Jake Ruygt 2006-4-29 5005 Napa Near Palisades Trail, S of Table Rock. Detert Reservoir. 606 Comment
  POM262503  Boisduvalia densiflora Milo S. Baker 1941-7-30 10152 Napa Roadside from Childs Valley toward Rutherford near branch to Winters Comment
  CAS-BOT-BC31396  Bolboschoenus robustus Peter H. Raven 1951-9-9 3900 Napa Slaughterhouse Pt. Napa River 0 Comment
  CAS-BOT-BC106268  Brickellia californica John Thomas Howell 1927-8-24 3047 Napa In bed of Pope Valley Creek between Walter's Springs and Samuel's Springs, Napa Range Comment
  JEPS76094  Briza minor W. L. Jepson 1938-5-25 18857 Napa Howell Mt. Napa Range (meadow on road into Bell Canyon) 579 Comment
  UC1442869  Brodiaea californica var. leptandra Theodore F. Niehaus 1966-5-24 680 Napa 3.9 mi w Pope Valley (on Ink Grade Rd) Comment
  SEINET181189  Brodiaea coronaria subsp. coronaria Bassett Maguire, Ruth Maguire; C. B. Maguire 1934-6-9 15084 Napa 20 miles North of Napa Comment
  JEPS6309  Brodiaea elegans subsp. elegans W. L. Jepson 1904-6-3 2434 Napa Saint Helena to Howell Mountain Comment
  UC1442894  Brodiaea elegans subsp. elegans Theodore F. Niehaus 1965-5-15 522 Napa on Silverado Trail ca 1 mi n Yountville Junction 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
  JEPS5689  Brodiaea leptandra W. L. Jepson 1936-7-3 17634 Napa Four Corners Howell Mountain Comment
  UCD37685  Bromus Beecher Crampton 1961-6-12 5902 Napa Napa County, 7 miles northeast of city of Napa, Howell Mountains, summit along State highway 37. Comment
  UCD58248  Bromus carinatus A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3540 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  UCR152263  Bromus catharticus Beecher Crampton 1961-6-12 5902 Napa Inner North Coast Ranges, 7 miles northeast of city of Napa, summit along State Highway 37 396 Comment
  CAS-BOT-BC155987  Bromus diandrus Peter H. Raven 1952-5-29 4084 Napa Napa River 1 mile north of Napa. 60 Comment
  UCD58629  Bromus hordeaceus A. A. Beetle; G. L. Stebbins Jr. 1942-6-3 3542 Napa 1 mile south of Napa-Lake County line. Rt. 29. North slope of Mt. St. Helena. Comment
  UCD58810  Bromus hordeaceus R. Tofsrud 1949-5-5 s.n. Napa Near Basalt. Comment
  CDA31339  Bromus laevipes D. G. Kelch 2010-5-6 10 .174 Napa Wooden Valley Road, about 5 km north of Napa/Solano county line, north of Rockville. Comment
  HSC26167  Bromus madritensis subsp. madritensis J. P. Smith, J. O. Sawyer 1970-5-17 3779 Napa 3 mi. S of Pope Valley Comment
  CDA10902  Bromus madritensis subsp. rubens G. F. Hrusa, M. Rejmanek 1993-5-15 10998 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CAS-BOT-BC161829  Bromus rubens David L. Morgan 1961-5-16 s.n. Napa Napa. Cemetary. Comment
  JEPS123002  Bromus sterilis Jake Ruygt 1994-4-26 3361 Napa Pope Valley (Juliana Vineyard); north of Barnett Road. Quad: Aetna Springs. Comment
  UCD57539  Calamagrostis ophitidis Beecher Crampton 1961-5-22 5877 Napa along State Hwy. 128, north end of Capell Valley above Capell Creek. Comment
  UCD37684  Calamagrostis rubescens Beecher Crampton 1961-6-12 5901 Napa Napa County, 7 miles northeast of city of Napa, Howell Mountains, summit along State highway 37. Comment
  UCD57740  Calamagrostis rubescens Freed W. Hoffman 1944-7-7 1973 Napa North Coast Ranges, Trinity Road. Comment
  JEPS112602  Calandrinia breweri Jake Ruygt 1997-3-23 3815 Napa South of Bismark Knob on ridge. 612 Comment
  UCD18034  Calandrinia breweri Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 585 Napa Napa County. McLaughlin Reserve. Along Devil Head Rd. First ridge S of Knoxville -- Berryessa Rd., east side of Devil Head Rd. West-facing slope up by air quality station. 548 Comment
  UCD48082  Calandrinia breweri M. Carson; A. Haselby, S. Howard, P. Mayers 2000-4-29 1 Napa Napa County, McLaughlin Reserve, near Yolo County line, high on hill. 670 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
  JEPS42831  Callitriche longipedunculata Willis L. Jepson 1893-4-26 13820 Napa Near Yountville; Napa River Basin Comment
  UCD139461  Calochortus albus R. L. Smith 1948-5-8 s.n. Napa 6 miles north of Aetna Springs, Pope Valley. Comment
  UCD160636  Calochortus amabilis Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8728 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 237 Comment
  UCD48262  Calochortus amabilis R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 4 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  UCD48752  Calochortus amabilis S. Murphy; K. Keck and K. Dyer 2002-5-5 14 Napa Quail Ridge UC Reserve, northern tip of ridge, ca. 450 m. from intersection of West and East roads, S side of upper road leading to power lines and tip parcels. 388 Comment
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Apr 3 2019
  UCD73382  Calochortus amabilis 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
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Nov 1 2011
  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
  RSA52662  Calochortus amabilis I. L. Wiggins 1949-4-30 12075 Napa Along old toll road between Calistoga and Middletown, about 1.5 mi NE of Calistoga. Comment
  SEINET3884890  Calochortus amabilis D. W. McNeal 1975-5-3 1592 Napa Above the Berryessa-Kxonville Rd., 0.3 mi. n.w. of Knoxville.; 0 Comment
  UCD139474  Calochortus amabilis W. M. Grannell 1950-4-27 15 Napa north side of Putah Canyon. Comment
  JEPS128392  Calochortus luteus Adam C. Schneider with Dick O'Donnell 2013-5-28 244 Napa Northern edge of Cedar Roughs Wilderness Area, south of Pope Canyon Rd, 2.5 miles west of junction with Berryessa Knoxville Road. Comment
  UCD139528  Calochortus luteus A. Amezcua 1995-5-26 25 Napa 300 m west of Berryessa - Knoxville Road approximately 3 km north of Spanish Flat Resort. 200 Comment
  UCD139540  Calochortus luteus L. P. Thibault 1995-6-2 55 Napa South side of Hwy 128 approx. 0.5 mi. west of junction with Hwy 121. 275 Comment
  CAS-BOT-BC492540  Calochortus luteus John Thomas Howell 1929-5-30 4258 Napa Gordon Valley, Napa Range Comment
  CAS-BOT-BC492541  Calochortus luteus Alice Eastwood 1915-6-5 4629 Napa Calistoga Comment
  RSA222009  Calochortus luteus W. C. Merrill 1895-05 s.n. Napa Calistoga Comment
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Jan 23 2011
  UC1300908  Calochortus luteus Helen K. Sharsmith 1962-6-3 5109 Napa Napa-Soda Springs road San Francisco Bay Region 152 Comment
  UCR24142  Calochortus pulchellus John C. Roos 1939-4-18 278 Napa North Coast Range, Pope Valley Grade, Angwin 500 Comment
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Feb 17 2006
  SEINET4169985  Calochortus pulchellus Unknown 1952-4-20 71 Napa Samuel Springs, 7 mi N. W. of Monticello Comment
  SD133928  Calochortus superbus Barbara Ertter, Annetta Carter 1989-5-28 8501 Napa Berryessa-Knoxville Road, north of Lake Berryessa, 4.7 miles south of Knoxville tunnel, grassland in Oak-Digger Pine woodland along Eticuera Creek. 305 Comment
  CAS-BOT-BC483610  Calochortus tolmiei Ira L. Wiggins 1949-4-30 12092 a Napa Mount St. Helena near Lake County Line Comment
  CAS-BOT-BC483611  Calochortus tolmiei Elizabeth Wright 1922-4-1 s.n. Napa Calistoga Comment
  CAS-BOT-BC132618  Calochortus uniflorus Mrs. Clara Hunt 1921-4-1 s.n. Napa St. Helena Comment
  CAS-BOT-BC132623  Calochortus uniflorus C. F. B. 1903-4-19 1979 Napa Calistoga Comment
  CAS-BOT-BC132624  Calochortus uniflorus John Thomas Howell 1926-3-27 1757 Napa Myrtledale Hot Springs near Calistoga Comment
  JEPS17769  Calochortus uniflorus W. L. Jepson 1924-4-6 10312 Napa Conn Valley 91 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
  UCD148841  Calycadenia Ellen Dean; Diana Hickson 2014-4-29 8145 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 511 Comment
  UC1876231  Calycadenia fremontii Gerald D. Carr 1971-8-6 616 Napa Lower Chiles Valley Rd., 1.3 mi N of Hwy 128. Comment
  UC1876266  Calycadenia fremontii Gerald D. Carr 1974-5-28 762 Napa 3.3 mi SE of Howll Mt. Rd. on Conn Valley Rd. 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
  CAS-BOT-BC270824  Calycadenia pauciflora Gerald D. Carr 1971-9-20 666 Napa 4.2 miles N of Spanish Flat on Knoxville - Berryessa Road 152 Comment
  RSA255589  Calycadenia pauciflora Gerald D. Carr 1971-10-23 683 Napa Junction of Lower Chiles Valley and Pope Valley Roads Comment
  UCD129808  Calycadenia pauciflora Gerald D. Carr 1971-8-6 616 Napa Lower Chiles Valley Road, 1.3 miles north of Hwy 128. Comment
  UCD160805  Calycadenia pauciflora Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8685 Napa Knoxville Wildlife Area. California Dept. of Fish and Wildlife public lands. Vicinity of headwaters of Nevada Creek. Northern part of land parcel. 488 Comment
  CAS-BOT-BC270823  Calycadenia pauciflora Gerald D. Carr 1971-9-20 672 ? Napa 0.8 mile NW of Knoxville on Morgan Valley Road 457 Comment
  RSA255530  Calycadenia pauciflora Gerald D. Carr 1971-9-20 665 Napa 0.8 miles SE of Berryessa-Knoxville Road on Hwy. 128 213 Comment
  UCD129842  Calycadenia pauciflora Gerald D. Carr 1972-8-9 725 Napa 5.8 miles south of Berryessa-Knoxville Road on Devilhead Road, Cedar Valley. Comment
  UCD129863  Calycadenia pauciflora Gerald D. Carr 1974-5-28 762 Napa 3.3 miles southeast of Howell Mountain Road on Conn Valley road, west facing slope. Comment
  UCD129906  Calycadenia pauciflora Gerald D. Carr 1971-9-20 669 Napa 1.8 miles southeast of Lake County line on Morgan Valley Road, 125 yards north of road. Comment
  JEPS20234  Calycadenia truncata Joseph P. Tracy 1938-8-7 16090 Napa 5 mi n of Napa City; Soda Creek Canyon 91 Comment
  CAS-BOT-BC271552  Calycadenia truncata subsp. truncata David D. Keck 1933-11-10 2720 Napa 1 mi. N. of Yountville Comment
  CAS-BOT-BC271569  Calycadenia truncata subsp. truncata H. M. Hall 1923-10-15 11952 Napa St. Helena, base of hills east of town Comment
  JEPS40319  Calycanthus occidentalis W. L. Jepson 1934-10-16 16896 Napa Adam and Eve Ridge Howell Mt. (by the cave, Howell Mt.) Comment
  JEPS40320  Calycanthus occidentalis Willis L. Jepson Jul 1894 Napa Mt. St. Helena Comment
  JEPS45706  Calycanthus occidentalis W. L. Jepson 1895-11-27 Napa St. Helena Comment
  UC1196352  Calycanthus occidentalis J. P. Tracy 1899-7-2 378 Napa 3 to 4 mi e Angwin's (along Moore's Creek); Howell Mountain, Head of Moore's Creek 335 Comment
  UCD137899  Calycanthus occidentalis Andrew T. Leiser 1965-6-1 s.n. Napa Napa Mountains. Comment
  UCD67548  Calycanthus occidentalis D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. Capell Creek. Serpentine riparian communities near the streams. 340 Comment
  SEINET12093077  Calycanthus occidentalis F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -332 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  JEPS31603  Calystegia collina subsp. collina W. L. Jepson 1938-5-24 18841 Napa Howell Mtn. Comment
  JEPS31598  Calystegia collina subsp. oxyphylla W. L. Jepson 1924-4-27 10381 Napa e Mt. St. Helena; e of Mt. St. Helena Comment
  CDA33512  Calystegia purpurata subsp. purpurata Dale Woods, V. Popescu 2010-6-28 Napa Along Devilshead-Knoxville Road. Comment
  UCD148997  Calystegia purpurata subsp. purpurata D. Woods; V. Popescu 2010-6-28 s.n. Napa along Devilshead-Knoxville Road. 450 Comment
  JEPS47832  Calystegia subacaulis Willis L. Jepson 1893-4-24 14524 Napa Hills easr of St. Helena to Conn Valley, Napa River Basin Comment
  UC23177  Calystegia subacaulis Willis L. Jepson 1894-5-1 Napa Conn Valley , Conn Valley (Napa River Basin) Comment
  JEPS106400  Calystegia subacaulis subsp. subacaulis Jake Ruygt 1987-5-16 1990 Napa Bismark Knob 563 Comment
  UCD114109  Camelina sativa J. C. Sweet 1917-5-3 s.n. Napa Napa County. Comment
  UC20542  Camissonia contorta Willis L. Jepson 1894-5-1 Napa Conn Valley Napa River Basin Comment
  JEPS122758  Camissoniopsis hirtella Jake Ruygt 2007-5-17 5176 Napa Duff Ranch, NW of Potato Hill. Quad: Calistoga. Comment
  UCD18160  Camissoniopsis hirtella Eva Bayon; with PLB 102 class 2000-4-29 s.n. 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
  JEPS106560  Campanula prenanthoides Jake Ruygt 1978-7-2 376 Napa .75 miles west of HWY 29 on Diamond Mountain Road 146 Comment
  CAS-BOT-BC37584  Cardamine californica John H. Thomas 1966-3-22 11531 Napa About 5 miles north of Calistoga as measured along highway 29 on the southeast slope of Mt. St. Helena. 609 Comment
  CAS-BOT-BC37588  Cardamine californica C. B. Wolf 1928-2-25 1489 Napa Mount St. Helena Grade 2 miles below Hawkins Mountain Camp. Comment
  CAS-BOT-BC37590  Cardamine californica Peter H. Raven 1953-2-21 5194 Napa Steel Canyon. 213 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
  UCD74394  Cardamine californica Jake Ruygt 1992-4-5 2889 Napa Alston Park, Dry Creek Rd., Napa. 67 Comment
  UCD74395  Cardamine californica Jake Ruygt 2000-3-18 4220 Napa Pope Valley; Butts Canyon Rd. south of Aetna Springs Rd. 211 Comment
  JEPS106834  Cardamine californica var. sinuata Jake Ruygt 1979-4-14 510 Napa Aetna Springs Extension Road 475 Comment
  JEPS106779  Cardaria draba Jake Ruygt 1981-5-3 1009 Napa American Canyon east of Flosden Rd. 42 Comment
  CDA11435  Carex amplifolia G. F. Hrusa, M. Tu 1995-5-6 12158 Napa North Coast Biodiversity Arena; In wet creek bed under shade of redwoods along Moores Creek in Las Posadas State Forest. Dense rhizomatous colony. Comment
  CAS-BOT-BC19170  Carex barbarae Wilhelm Nikolaus Suksdorf 1913-7-24 619 Napa High bank of the Napa River below the city. Comment
  UCD161341  Carex brevicaulis Jake Ruygt 1984-5-19 1560 Napa East slope of Cedar Roughs. (Coordinates estimated by label maker at UC Davis). 579 Comment
  UCD161334  Carex densa Jake Ruygt 1982-4-25 1204 Napa Large meadow at base of Swartz Canyon. (Coordinates estimated by label maker at UC Davis). 243 Comment
  SEINET7558576 Image available Carex feta Wilhelm N. Suksdorf 1913-7-28 7071 Napa North of Napa. Comment
  CAS-BOT-BC119513  Carex nudata Lewis Samuel Rose 1961-3-30 61024 Napa Conn Reservoir. Lake Hennessy stream bank. 60 Comment
  CAS-BOT-BC119514  Carex nudata Lewis Samuel Rose 1961-3-30 61024 Napa Conn Reservoir. Lake Hennessy stream bank. 60 Comment
  CAS-BOT-BC119515  Carex nudata Alice Eastwood; John Thomas Howell 1937-4-4 3826 Napa Rocky stream-bed near summit N of Wooden Valley. Comment
  RSA0011231  Carex nudata Lyman Benson 1930-3-31 35 Napa Town: Middletown (Lake Co); Mt. Range: N Coast; Mt. St. Helena at Lake Co. line. 518 Comment
  CAS-BOT-BC118467  Carex praegracilis Lewis Samuel Rose 1935-6-4 35201 Napa E slope of Mt. St. Helena Comment
  JEPS121329  Carex serratodens Jake Ruygt 1979-4-23 542 Napa 2.1 miles east of Silverado Trail on Hwy 128 100 Comment
  UCD63854  Carex serratodens Daniel Sanchez-Mata 2006-6-23 s.n. Napa Knoxville. Berryessa Knoxville Road from Morgan Valley Road. 650 Comment
  HSC103668  Carex serratodens Thomas W. Nelson, Jane Nelson 1981-4-14 6369 Napa Along Devil's Head Rd., at crossing of Cedar Creek 549 Comment
  UCD161694  Carex subbracteata Jake Ruygt 2010-4-19 5509 Napa 0.4 mile south of Bale Mill, east side of Highway 29. 85 Comment
  CAS-BOT-BC116770  Carex subfusca Betty H. Johnson 1959-6-20 646 A Napa At waters edge of stream at Mt. Mill House, 6.4 mi SW of Middletown. Comment
  CAS-BOT-BC116771  Carex subfusca Lewis Samuel Rose 1935-6-4 35206 Napa Moist open E slopes of Mt. St. Helena. Comment
  CAS-BOT-BC115550  Carex tumulicola Peter H. Raven 1951-6-24 3023 Napa Brown's Valley to Napa-Sonoma Rd. 91 Comment
  UCD167171  Carex tumulicola Jake Ruygt 2015-4-24 6081 Napa Sutro Ranch, east side of Atlas Peak. 629 Comment
  CAS-BOT-BC115551  Carex tumulicola Peter H. Raven 1951-6-26 3093 Napa Cappell Valley to Wooden Valley. 274 Comment
  UCD161540  Carex tumulicola Jake Ruygt 1992-5-4 2932 Napa Westwood Hills Park, Browns Valley Road, Napa. 91 Comment
  SBBG28927  Castilleja affinis D. D. Keck 1931-4-2 1042 Napa between Wooden Valley and Monticello, 10 mi from Napa, E base of Napa Range Comment
  UCD122147  Castilleja affinis K. Esau 1933-7-8 s.n. Napa Calistoga near Petrified Forest. Comment
  JEPS103914  Castilleja affinis subsp. affinis T. I. and F. M. Chuang 1991-6-23 7833 Napa 1.3 mi SW of junction with Wooden Valley Rd., on Hwy 121. Comment
  JEPS110629  Castilleja affinis subsp. neglecta Jake Ruygt 1986-5-17 1767 Napa .5 miles north of Flosden Rd. and American Canyon Rd. 170 Comment
  JEPS9137  Castilleja ambigua subsp. ambigua W. L. Jepson 1893-4-24 21401 Napa hills e St. Helena to Conn Valley Grade (Howell Mt. foothills); Napa River Basin, Howell Mt. Comment
  UC1334851  Castilleja ambigua subsp. ambigua L. D. Thurman 1964-4-24 427 Napa 5.5 mi n Napa (Silverado trail) Comment
  JEPS122743  Castilleja ambigua var. meadii Jake Ruygt 2011-5-28 5793 Napa West of Atlas Peak Road, 2.4 km southwest of Foss Valley. Quad: Yountville. Comment
  UCD20753  Castilleja applegatei M. Bibbo; with E. Dean and K. Mawdsley 2002-8-29 102 Napa McLaughlin UC Reserve. Devilhead Rd. 2.5 road miles S of jct. with Knoxville-Berryesa Rd. W side of the road by small perennial creek. 487 Comment
  JEPS47329  Castilleja applegatei subsp. martinii L. R. Heckard and R. Bacigalupi 1965-5-15 1457 Napa about 3.5 air mi se Knoxville (at head of the falls on Zim Zim Creek); Zim Zim Creek 365 Comment
  JEPS4856  Castilleja applegatei subsp. martinii Peter H. Raven 1953-5-2 5394 Napa Summit of hills due east of Yountville Comment
  JEPS57375  Castilleja applegatei subsp. martinii L. R. Heckard and T. I. Chuang 1968-6-18 1941 Napa 1 mi below Ink Grade junction with Howell Mt. road (Ink Grade, ne of Angwin) 457 Comment
  JEPS18268  Castilleja applegatei subsp. martinii Peter H. Raven 1957-5-5 10784 Napa w edge Calistoga 182 Comment
  JEPS4833  Castilleja applegatei subsp. martinii Rimo Bacigalupi with James R. Sweeney''Rimo Bacigalupi (with James R. Sweeney) 1953-5-26 4129 Napa Exactly 1 mile south of summit (St. Helena summit) of State Highway no. 29. 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
  UC1012334  Castilleja applegatei subsp. martinii F. W. Pennell and H. L. Mason 1940-5-21 25479 Napa s of Calistoga (Route 29) 152 Comment
  UC124333  Castilleja attenuata C. F. Baker 1903-4-19 1993 Napa Calistoga Comment
  UCD170444  Castilleja exserta Daniel Potter; Ninh Khuu 2017-5-14 916 Napa Knoxville Wildlife Area, along Nevada Creek. 355 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
  POM182709  Castilleja foliolosa D. D. Keck 1931-4-2 1020 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 170 Comment
  UCD122551  Castilleja foliolosa R. L. Smith 1948-5-8 s.n. Napa 6 miles north of Aetna Springs, Pope Valley. Comment
  UCD18159  Castilleja foliolosa Eva Bayon; with PLB 102 class 2000-4-29 s.n. 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
  UCD48222  Castilleja foliolosa A. Hufton; S. Burgess, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 8 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of the old town of Knoxville. 609 Comment
Read comments
Jan 14 2009
  JEPS25050  Castilleja minor subsp. spiralis J. P. Tracy 1899-7-5 372 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain); Howell Mountain, head of Moore's Creek 365 Comment
  UC1607995  Castilleja minor subsp. spiralis Donald G. Nelson 1940-8-7 707 Napa about 3 mi nw Knoxville (at the sign of Harrison Mines); Coast Range Mountains Comment
  OBI60136  Castilleja rubicundula Joseph Andorfer Ewan 1937-5-23 10359 Napa Knoxville ridge above Knoxville Comment
  SEINET7075541  Castilleja rubicundula A. G. Vestal 1955-5-8 s.n. Napa Serpentine north of Knoxville. 38? deg. 50' 11" North Latitude, -122? deg. 20' 28" West Longitude. UTM Zone 10, 557185mE, 4298615mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  UCD20380  Castilleja rubicundula K. Esau 1932-5-3 s. n. Napa Napa County, Napa. Comment
  JEPS110657  Castilleja rubicundula subsp. lithospermoides Jake Ruygt 1978-5-21 332 Napa 6.3 miles north of Sage Canyon Rd. on Chiles Valley Rd. 237 Comment
  UC75151  Castilleja rubicundula subsp. lithospermoides C. F. Baker 1903-5-8 2965 Napa Knoxville Comment
  UCD123048  Castilleja rubicundula subsp. lithospermoides Gerald D. Carr; R. F. Denno 1971-5-13 544 Napa Roadside field, 1.0 mi N of jct. of Lower Chiles Valley Rd. with Calif. 128, on Lower Chiles Valley Rd. Comment
  JEPS77483  Castilleja rubicundula subsp. lithospermoides Douglas W. James Jr. 1973-5-5 88 Napa Las Posadas State Forest; not far from the 4-H pool 335 Comment
  UCD48216  Castilleja rubicundula subsp. rubicundula S. Burgess; A. Hufton, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 24 Napa Napa County; McLaughlin Reserve, Southwest side of Hunting Creek, on east-facing slope of 'Research Hill'. 655 Comment
  UCD161612  Catalpa Jake Ruygt 2001-9-22 4335 Napa NE corner of Highway 29 at Trancas St. 22 Comment
  HSC44027  Caulanthus lasiophyllus Robert M. Specht 1977-4-13 649 Napa 524 Comment
  UCD47950  Caulanthus lasiophyllus J. Pierner; S. Burgess, A. Hufton, A. Ryan, and B. Takahashi 2000-4-29 15 Napa Yolo Co/Napa Co line; McLaughlin Reserve, 1 mile (as the crow flies) N of old town of Knoxville. 640 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
  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
  POM136486  Ceanothus cuneatus Alice Eastwood 1922-5-4 11281 Napa Mt. St. Helena. Comment
  UCD111789  Ceanothus cuneatus D. S. Totah 1948-3-18 8 Napa Putah Canyon. Comment
  UCD21545  Ceanothus cuneatus B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 4 Napa California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, next to Hunting Creek, next to the Hunting Creek Campground parking lot. 335 Comment
  RSA755233  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2007-4-27 DOB 899 c Napa Vaca Mts.: on E-W trending ridge S of East Mitchel Canyon, 15.2 road miles W of Hwy 505 on SR 128 (mile marker 29.77), 24.1 km 87 degrees true ENE of Rutherford. 270 Comment
  UC483312  Ceanothus cuneatus var. cuneatus Ira L. Wiggins 1932-3-12 5766 Napa hillside between Franz Valley and Calistoga Comment
  CAS-BOT-BC49113  Ceanothus cuneatus var. ramulosus Frank A. Leach 1921-3-1 s.n. Napa Hills back of Napa asylum Comment
  CAS-BOT-BC49786  Ceanothus divergens John Thomas Howell 1941-4-5 16167 Napa About 1 mi. sw. of Calistoga Comment
  CAS-BOT-BC49797  Ceanothus divergens John Thomas Howell 1941-4-5 16161 Napa Franz Valley Comment
  CAS-BOT-BC49804  Ceanothus divergens H. E. McMinn 1926-1-2 1627 Napa Along trail up Mt. St. Helena Comment
  CAS-BOT-BC49808  Ceanothus divergens Milo S. Baker 1939-3-22 9243 Napa 1.1 mi. west of Calistoga-Napa hgwy. at a point 1.1 mi south of Calistoga Comment
  CAS-BOT-BC64434  Ceanothus divergens Milo S. Baker s.n. Napa Franz Valley, about 5 mi. w. of Callistoga. Comment
  CAS-BOT-BC64438  Ceanothus divergens Brandegee 1889-4-1 74 Napa Mt. St. Helena. Comment
  CAS-BOT-BC64442  Ceanothus divergens Walter Knight; Irja Knight; Cliff Schmidt 1987-3-29 6105 Napa Kortum Canyon Road 1.0-1.5 mi. from Sharpe Rd. Comment
  POM136487  Ceanothus divergens Alice Eastwood 1922-5-5 s.n. Napa Mount St. Helena. Comment
  RSA44294  Ceanothus foliosus E. G. Lovegrove 1946-4-28 s.n. Napa Near upper Mt. St. Helena Comment
  UC1070627  Ceanothus foliosus A. Lewis 1932-5-13 75 A Napa 4 mi up Dry Creek; Napa quad. 304 Comment
  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
  UC18323  Ceanothus foliosus Edw. L. Greene 1892-4-23 Napa Mt. St. Helena Comment
  UC18329  Ceanothus foliosus Willis L. Jepson 1893-5-8 Napa New Eden, Howell Mt. Grade Napa River Basin Comment
  UCD112130  Ceanothus foliosus M. Wiesendanger 1927-5-4 697 Napa Monticello Road. Comment
  CAS-BOT-BC50880  Ceanothus foliosus var. foliosus Alice Eastwood 1915-6-6 4702 Napa Mt. St. Helena Comment
  CAS-BOT-BC50909  Ceanothus foliosus var. foliosus Alice Eastwood 1915-6-5 4566 Napa Petrified Forest Comment
  CAS-BOT-BC50916  Ceanothus foliosus var. foliosus H. E. McMinn 1923-5-25 962 B Napa Summit Wooden Valley Grade Comment
  SBBG118108  Ceanothus foliosus var. foliosus C. Bornstein, E. Collins 2004-6-19 Napa Aetna Springs Rd, 1.9 mi W of jct with Pope Valley Rd 304 Comment
  UCD112145  Ceanothus foliosus var. foliosus Lewis S. Rose 1964-4-2 64018 Napa 2 miles SW of Angwin. Comment
  UCR220106  Ceanothus foliosus var. foliosus Ayzik Solomeshch, Stephen Rae 2007-7-8 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 Comment
  RSA10662  Ceanothus foliosus var. vineatus Carl B. Wolf 1928-5-3 s.n. Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  CAS-BOT-BC63747  Ceanothus incanus H. E. McMinn 1922-3-27 104 Napa Near Mt. St. Helena. Comment
  RSA168970  Ceanothus incanus Billy Smith 1962-5-24 27 Napa 2 miles NNW of St. Helena Lookout. 747 Comment
  CAS-BOT-BC474706  Ceanothus integerrimus Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca 2 km W of intersection with Berryessa-Knoxville Road 140 Comment
  CAS-BOT-BC474707  Ceanothus jepsonii Ayzik Solomeshch 2008-4-20 s.n. Napa North side of Pope Canyon Road, ca 2 km W of intersection with Berryessa-Knoxville Road 140 Comment
  JEPS129028  Ceanothus jepsonii Jake Ruygt 2016-6-6 6277 Napa Okin Ranch, Chiles Valley. St. Helena 7.5' Quad. Comment
  JEPS20109  Ceanothus jepsonii W. L. Jepson 1915-12-6 6589 Napa Howell Mt. Comment
  RSA261436  Ceanothus jepsonii R. . F Denno 1967-4-15 50 Napa 1 mile N on lower Chiles Valley road of Hwy 128 Comment
  RSA285632  Ceanothus jepsonii subsp. albiflorus D. C. Michener 1982-7-25 4115 Napa Pope Valley road 1 mile N of jct with lower Chiles Valley road, 5.2 miles SE of jct tiwh Pope Canyon road Comment
  JEPS79562  Ceanothus jepsonii var. albiflorus Edward Lee with A. Carter and E. Crum 1936-3-15 1818 Napa Butt's Canyon Comment
  JEPS79614  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
  UCD170123  Ceanothus oliganthus var. oliganthus Richard R. Halse 2013-3-27 8751 Napa Along State Hwy. 128 ca. 8.7 miles west of Winters, just west of Monticello Dam, south end of Lake Berryessa. 143 Comment
  CAS-BOT-BC51562  Ceanothus oliganthus var. sorediatus H. E. McMinn 1923-5-26 974 b Napa Along Eticuera Creek tributary to Putah Creek Comment
  HSC44021  Ceanothus oliganthus var. sorediatus Robert M. Specht 1977-4-18 681 Napa Along N side of Develhead Rd. 451 Comment
  UC924228  Ceanothus oliganthus var. sorediatus H. S. Reed 1939-4-16 222 Napa Napa Hills 60 Comment
  UCD49126  Ceanothus oliganthus var. sorediatus L. Wynholds; S. Du Plessis, B. Erickson, and C. Mallek 2001-4-14 23 Napa SW end of Lake Berryessa, Quail Ridge Reserve, along South Decker Canyon Rd. between Cut-Off Rd. and Decker Ridge Rd. 266 Comment
  JEPS110731  Ceanothus parryi Jake Ruygt 1976-4-23 18 Napa 2.1 miles NE of Silverado Trail on Deer Park Road 213 Comment
  UC1071246  Ceanothus parryi A. E. Wieslander 1934-2-24 366 Napa Spring Mountain Calistoga Quadrangle Comment
  UC18404  Ceanothus parryi Edw. L. Greene 1892-4-23 Napa Calistoga Comment
  UC762309  Ceanothus parryi R. F. Hoover 1944-4-27 4946 Napa East side of Mt St. Helena Comment
  UC931951  Ceanothus parryi Verne and Alva Grant 1946-5-26 7633 Napa southeast slope of Mt. St. Helena 1066 Comment
  HSC18366  Ceanothus prostratus C. B. Wolf 1928-5-4 1854 Napa Mt. St. Helena Comment
  JEPS42264  Ceanothus prostratus Willis L. Jepson 1893-5-4 14036 Napa Mt. St. Helena Napa River Basin 914 Comment
  RSA10636  Ceanothus prostratus var. occidentalis Carl B. Wolf 1928-5-4 1854 Napa Upper slopes of Mount St. Helena. Comment
  CAS-BOT-BC52180  Ceanothus purpureus W. L. Jepson 1904-6-3 2451 Napa Howell Mt. Comment
  CAS-BOT-BC52183  Ceanothus purpureus John Thomas Howell 1931-4-2 6067 Napa Wooden Valley Grade 5 miles East of Napa Comment
  CAS-BOT-BC52185  Ceanothus purpureus Peter H. Raven 1953-5-2 s.n. Napa Soda Creek Canyon 2 miles below Foss Valley 335 Comment
  CAS-BOT-BC52194  Ceanothus purpureus Roman Gankin 1966-3-3 684 Napa at roadside, State Highway 121, 1.9 miles Southwest of its junction with Wooden Valley Road Comment
  CAS-BOT-BC52198  Ceanothus purpureus John Thomas Howell 1937-7-4 13062 Napa Wooden Valley Grade Comment
  CAS-BOT-BC83729  Ceanothus purpureus D. O. Burge 2007-5-4 905 b Napa Atlas Road, at roadside 5.7 road miles (9.1 km) N of intersection with Monticello Road (SR 121) 410 Comment
  JEPS110730  Ceanothus purpureus Jake Ruygt 1991-4-19 2624 Napa Long Ranch south of Lake Hennessey 365 Comment
  LA44991  Ceanothus purpureus Lewis S. Rose; 1937-4-4 37021 Napa Gorges N. of Mt. George near Napa; Wooden Valley grade, 6 mi. NE of Napa 182 Comment
  SEINET10778154  Ceanothus purpureus Dylan O. Burge 2007-5-4 Burge DOB 904 d Napa Wooded Grade, north-east of Mount George, roadside on Monticello Road (SR 121), 3.3 road miles (5.3 km) east of Atlas Peak Road or 2.3 road miles (3.7 km) west of Wooded Valley Road, at mile marker 13.88, 9.28 km 46 deg. (True) ENE of Napa. 360 Comment
  SJSU14052  Ceanothus purpureus C. L. Schmidt 1987-5-24 1183 Napa Mt George off Monticello Rd CA-121 396 Comment
  UC728640  Ceanothus purpureus Milo S. Baker 1931-2-8 5031 Napa 5 mi from Napa on Monticello Road Comment
Read comments
Dec 31 2011
  UC870643  Ceanothus purpureus Milo S. Baker 1931-2-8 5031 Napa Five miles fron Napa on Monticello road. Comment
  UCD112678  Ceanothus purpureus Roman Gankin 1966-3-3 684 Napa State Highway 121, 1.9 miles southwest of its junction with Wooden Valley Road. Comment
  UCD123869  Ceanothus purpureus D. O. Burge 2007-5-4 905 e Napa Atlas Road, at roadside 5.7 road miles (9.1 km) north of intersection with Monticello Road (SR 121), east of Milliken Canyon (Milliken Reservoir watershed), 11.4 km 20 deg. (True) NNE of Napa. 410 Comment
  UCD82600  Ceanothus purpureus Ellen Dean; T. Starbuck 2009-5-4 5538 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  UCR21783  Ceanothus purpureus J. R. Haller 1979-5-4 3452 Napa Mead Ranch, near Atlas Peak Road, c. 5 miles (by road) north of state Hwy 121 and 9 miles north of Napa 488 Comment
  SEINET13946225 Image available Ceanothus purpureus Peter H. Raven 1950-1 1768 Napa Wooden valley Grade above napa. Alt. ca 1500 ft 457 Comment
  UC1220983  Centaurea calcitrapa Beecher Crampton 1962-9-11 6674 Napa Wragg Canyon Resort Wragg Canyon; Vaca Mtns., Lake Berryessa Comment
  CDA36978  Centaurea iberica J. H. Shelgren 1976-6-3 34 Napa Putah Creek; near Lake/Napa County line. 0 Comment
  JEPS106535  Centaurium muehlenbergii Jake Ruygt 1998-7-26 4102 Napa .25 mile west of Mt. Veeder Road on Redwood Road 109 Comment
  UC153976  Centaurium muehlenbergii Joseph P. Tracy 1905-7-6 2227 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); North Coast Ranges, Howell Mtn 365 Comment
  UCD170454  Centaurium tenuiflorum Daniel Potter; Ninh Khuu 2016-6-8 883 Napa Knoxville Wildlife Area, above and north of Nevada Creek. 600 Comment
  JEPS46941  Centaurium trichanthum W. L. Jepson 1897-7-12 14638 Napa Samuels Springs to Aetna Springs Comment
  UC1222140  Centaurium trichanthum Joseph P. Tracy 1950-8-11 19302 Napa between Napa City and Yountville; Napa Valley, Calistoga Hot Springs 30 Comment
  UC1245376  Centaurium venustum J. P. Tracy 1950-5-23 18667 Napa 3-4 mi e Angwin's (Head of Moores Creek); Howell Mountain, Moores Creek, La Jota Plateau 518 Comment
  CAS-BOT-BC288605  Centromadia fitchii John Thomas Howell 1930-10-19 5611 Napa 1 mile E of Aetna Springs, Pope Valley Comment
  CAS-BOT-BC272828  Centromadia parryi subsp. parryi Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  CAS-BOT-BC272832  Centromadia parryi subsp. parryi C. C. Parry 1881-1-1 s.n. Napa Calistoga Comment
  JEPS106653  Centromadia pungens subsp. pungens Jake Ruygt 1996-10-19 3794 Napa Vine Village, corner of Congress Valley Rd and Oln Sonoma Rd 45 Comment
  JEPS110589  Cephalanthus occidentalis var. californicus Jake Ruygt 1991-7-20 2783 Napa Pope Creek at high water line of Lake Berryessa 131 Comment
  JEPS107195  Cercis occidentalis Jake Ruygt 1997-3-18 3809 Napa Conn Valley Road, 2 miles east from Silverado Trail 146 Comment
  UCD105654  Cercis occidentalis D. Sanchez-Mata 1996-3-26 s.n. Napa Putah Creek. Lake Berryessa. 330 Comment
  CAS-BOT-BC135482  Cercocarpus betuloides var. betuloides John Thomas Howell 1937-7-4 13063 Napa Wooden Valley Grade Comment
  SBBG115436  Cercocarpus betuloides var. betuloides B. Crampton 1966-5-10 7715 Napa 9 mi E of Rutherford on St Hwy 128 Comment
  UC859435  Cercocarpus betuloides var. betuloides Alice Eastwood, John Thomas Howell 1937-4-4 3831 Napa Grade e of Napa (Wooden Valley); Wooden Valley Comment
  UC859440  Cercocarpus betuloides var. betuloides Alice Eastwood 1922-5-4 11280 Napa Mount St. Helena Comment
  CAS-BOT-BC284573  Chaenactis glabriuscula var. heterocarpha Peter H. Raven 1952-5-26 4060 Napa Nr. Walter's Springs 170 Comment
  CAS-BOT-BC284574  Chaenactis glabriuscula var. heterocarpha Peter H. Raven 1951-5-20 2852 Napa Hills W. Oakville 548 Comment
  JEPS2526  Chaenactis glabriuscula var. heterocarpha Willis L. Jepson 1894-5-1 Napa opposite mouth of Conn Valley; Napa River Basin; opposite mouth of Conn Valley Comment
  JEPS875  Chaenactis glabriuscula var. heterocarpha W. L. Jepson 1897-6-2 Napa Conn Valley Ridge Napa Valley Basin Comment
  UC894475  Chaenactis glabriuscula var. heterocarpha Milo S. Baker 1931-4-19 5413 Napa just nw of School house (along highway, Conn Valley); Conn Valley Comment
  SEINET10844555  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2009-10-12 Ahart 16437 -A Napa T8N, R3E, east border of southwest 1/4 Section 30. Normal size plant, on dry bare soil, 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
  SBBG128691  Chamaesyce serpillifolia subsp. serpillifolia L. Ahart 2009-10-12 16437 -A Napa below high water line of Lake Berryessa, along Capell Crk NE 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
  CAS-BOT-BC70163  Cheilanthes gracillima John Thomas Howell 1926-3-28 1763 Napa Summit of Mt. St. Helena Comment
  CHSC102272  Chenopodium album Lowell Ahart 2009-10-12 16435 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
  JEPS59710  Chenopodium ambrosioides W. L. Jepson 1894-11-7 Napa St. Helena Comment
  JEPS106821  Chenopodium botrys Jake Ruygt 1981-5-21 1035 Napa Putah Creek just north of Berryessa Estates 134 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
  RSA90500  Chenopodium californicum Anonymous 1936-04 8179 Napa A mile or so north of Knoxville. Comment
  POM215110  Chenopodium macrospermum var. farinosum J. T. Howell 1932-10-8 10801 Napa Tidal flat on Napa River at Cuttings Wharf. Comment
  JEPS115759  Chenopodium pumilio Lowell Ahart 2009-10-27 16484 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 Winte 130 Comment
  RSA755365  Chenopodium pumilio L. Ahart 2009-10-27 16484 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 air miles northwest of Winters. 130 Comment
  JEPS126071  Chimaphila menziesii Jake Ruygt 1987-7-11 2068 Napa Between Rattlesnake Springs and Livermore Road. Detert Reservoir 7.5' Quad. Comment
  UCD54265  Chlorogalum pomeridianum var. pomeridianum S. E. Ratay; M. Disney,J. Westbrook,R. Wolfson,A. Houser,S. Wathen 2000-4-22 26 Napa Napa Co., McLaughlin Reserve, Old Knoxville Townsite, 0.10 miles north of Berryessa-Knoxville Rd along Old Knoxville Rd. 396 Comment
  UCD167624  Chlorogalum pomeridianum var. pomeridianum Jake Ruygt 1978-6-28 370 Napa Partrick Road, 2 miles north of Browns Valley Road. 164 Comment
  CAS-BOT-BC256932  Chorizanthe membranacea W. L. Jepson 1891-6-1 s.n. Napa In the Vaca Mts Comment
  UCD149672  Chorizanthe membranacea 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
  UCD99749  Chorizanthe membranacea K. Esau; E. Hyde 1938-5-5 s.n. Napa Napa County. Comment
  UC55747  Chorizanthe polygonoides var. polygonoides J. P. Tracy 1902-5-20 1564 Napa 3-4 mi e Angwin's (head of Moore's Creek, Howell Mountain, near Angwin Creek crossing on Howell Mountain Grade); Howell Mountain, head Moore's Creek 457 Comment
  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
  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
  JEPS106933  Cirsium occidentale var. venustum Jake Ruygt 1979-5-13 591 Napa .8 miles east of Dry Creek Rd. on Oakville Grade 192 Comment
  UC30821  Cirsium quercetorum Willis L. Jepson 1893-6-24 Napa near Napa; Napa River Basin Comment
  RSA0070870  Cirsium remotifolium J. T. Howell 1941-6-21 16314 A Napa Hills SW of St. Helena. Comment
  JEPS59181  Cirsium remotifolium var. odontolepis W. L. Jepson 1893-6-26 Napa Howell Mt. Napa River Basin Comment
  UCD143081  Cirsium vulgare Mark Bibbo 2002-7-28 79 Napa Quail Ridge Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. At end of Decker Bay Trail, on the dried up shores of Lake Berryessa inlet, ca. 30 feet from water's edge. 167 Comment
  CAS-BOT-BC169768  Cistanthe quadripetala Herbert L. Mason 1935-5-30 10010 Napa 4 miles N of Knoxville on the Monticello - Lower Lake Road Comment
  UCD49176  Clarkia affinis K. Mogel; B. Pekin and M. Higley 2002-5-4 14 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 50 ft. along the lower road that leads to the power lines; immediately downslope of road. 335 Comment
  UCD167268  Clarkia affinis Jake Ruygt 1998-6-24 4051 Napa Rocky Ridge, east of Apple Tree Canyon. 676 Comment
  CAS-BOT-BC160920  Clarkia amoena subsp. amoena M. S. Jussel 1937-5-23 s.n. Napa Palisades 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
  CDA11190  Clarkia concinna G. F. Hrusa 1988-4-16 5535 Napa North Coast Biodiversity Arena; 3/4 mile along Knoxville -Berryessa Rd. from junction of Hwy 128. 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-BC172174  Clarkia concinna William Fottrell 1906-7-1 s.n. Napa Napa redwoods. Comment
  POM38096  Clarkia concinna subsp. concinna Marcus E. Jones 1881-7-6 s.n. Napa St. Helena. Comment
  UCD104446  Clarkia concinna subsp. concinna L. P. Thibault 1995-6-2 58 Napa South side of Highway 128, ca. 2 miles E of Lower Chiles Valley Road. 300 Comment
  UCD164690  Clarkia concinna subsp. concinna L. P. Thibault 1995-6-2 58 Napa South side of Highway 128 approximately 2 miles east of Lower Chiles Valley Road. 300 Comment
  POM271463  Clarkia concinna subsp. concinna Lyman Benson 1935-5-19 6662 Napa S. Base Mount St. Helena, CA Hwy 29. Mayacamas Mt. range, Napa River watershed 213 Comment
  RSA0060005  Clarkia concinna subsp. concinna Reino Alava 1957-5-30 980 Napa Along State Highway No. 128 at the Napa - Solano county line Comment
  UCD104555  Clarkia gracilis M. Wiesendanger 1927-5-4 681 Napa Near Monticello. Comment
  SEINET12194286  Clarkia gracilis F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -319 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  UCSB17305  Clarkia gracilis Haller, John 1961-6-18 Napa 7.7 mi SE of Pope Valley; on road to Lake Hennessy 274 Comment
  CAS-BOT-BC164533  Clarkia gracilis subsp. albicaulis Peter H. Raven 1962-5-31 17920 Napa In Lower Lake--Knoxville road, 1.9 miles south of Lake County line Comment
  CAS-BOT-BC164534  Clarkia gracilis subsp. albicaulis Peter H. Raven 1952-6-28 4210 Napa Chiles Valley 243 Comment
  CAS-BOT-BC164535  Clarkia gracilis subsp. albicaulis Freed W. Hoffman 1947-6-19 1652 Napa Near Knoxville Comment
  JEPS110765  Clarkia gracilis subsp. sonomensis Jake Ruygt 1976-5-18 90 Napa 1.4 miles west of Madronna St. on Spring Mountain Rd. 152 Comment
Read comments
Aug 15 2010
  JEPS43655  Clarkia gracilis subsp. sonomensis W. L. Jepson 1893-1 14353 Napa Howell Mt. Comment
  CAS-BOT-BC162479  Clarkia gracilis subsp. sonomensis Peter H. Raven 1951-6-10 2898 Napa Calistoga-Hanly's, Toll Rd., Mt. St. Helena 182 Comment
  UC422847  Clarkia gracilis subsp. sonomensis H. P. Chandler 1907-5-26 7587 Napa White Sulphur Spring St. Helena Comment
  JEPS85844  Clarkia gracilis subsp. tracyi Barbara Ertter with Annetta Carter 1989-5-28 8517 Napa near Knoxville (2 mi se of Lake County line on Berryessa Road, extreme n Napa County) 609 Comment
  UCD167104  Clarkia gracilis subsp. tracyi Jake Ruygt 2015-6-13 6125 Napa Sage Canyon Road about 0.5 mi east of Sillverado Trail. 103 Comment
  RSA0060036  Clarkia gracilis subsp. tracyi Barbara Ertter, Annetta Carter 1989-5-28 8517 Napa Near Knoxville 2 miles SE of Lake Co. line on Berryessa Rd. 610 Comment
  UCD104922  Clarkia purpurea subsp. quadrivulnera Heidi E. M. Dobson 1978-6-14 339 Napa East slope of Mt. Veeder. Comment
  RSA92804  Clarkia purpurea subsp. quadrivulnera Peter H. Raven 1951-5-20 2841 Napa Hills west of Oakville 122 Comment
  JEPS110694  Clarkia rhomboidea Jake Ruygt 1989-5-20 2344 Napa ridge about 1 mile north of Mt. Vaca 804 Comment
  JEPS120366  Clarkia rhomboidea Jake Ruygt 2010-6-26 5653 Napa Mead Ranch, Atlas Peak Road. Capell Valley 7.5' Quad. Comment
  CAS-BOT-BC165609  Clarkia unguiculata David D. Keck 1933-5-29 2353 Napa Pope Creek bridge south of Walters Springs Comment
  UCR198056  Clarkia unguiculata Lisa Montany 1985-6-1 30 Napa Inner North Coast Range, Hwy 128, 3 mi west of Monticello Dam 213 Comment
  UCD15612  Clarkia unguiculata Lisa Montany 1985-6-1 30 Napa Highway 128, 3 miles west of Monticello Dam. 213 Comment
  JEPS43313  Claytonia exigua subsp. exigua Willis L. Jepson 1893-4-29 Napa St. Helena Reservoir; Napa River Basin Comment
  CAS-BOT-BC439378  Claytonia gypsophiloides Alice Eastwood 1915-6-6 s.n. Napa Mt. St. Helena Comment
  UC634938  Claytonia gypsophiloides A. E. Borell 1928-4-13 151 Napa 10 mi nw Calistoga Comment
  UC83788  Claytonia gypsophiloides C. F. Baker 1903-4-20 2611 Napa Mt. St. Helena Comment
  CAS-BOT-BC233838  Claytonia parviflora subsp. parviflora John Thomas Howell 1933-5-21 11307 A Napa Hills east of Napa Comment
  UCD168556  Claytonia parviflora subsp. parviflora 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
  UCD18014  Claytonia parviflora subsp. parviflora Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 559 Napa Napa County. McLaughlin Reserve. South side of Knoxville-Berryessa Rd., just north of Hunting Creek, SE of Research Hill, by turnout and gate. Joe Callizo calls this area 'Cloaca of Morgan Valley. 609 Comment
  UCD15055  Claytonia perfoliata Craig Homan 1977-4-8 5 Napa California, Napa Co.; along Highway 128, 17 miles southwest of Winters; Comment
  UCD49148  Claytonia perfoliata subsp. perfoliata C. Mathews; T. Petrie, K. Glover, and C. Little 2001-4-14 2 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; near jct of West Rd. and Decker Bay Trail, S side of West Rd. 152 Comment
  CAS-BOT-BC91448  Clematis lasiantha Mrs. Clara Hunt 1921-4-1 s.n. Napa Saint Helena. Comment
  CAS-BOT-BC91451  Clematis lasiantha Gilbert Muth 1967-4-9 612 Napa Aetna Springs Road. 304 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
  UCR146179  Clematis lasiantha Beecher Crampton 1954-5-18 1918 Napa Vaca Mountains, 10 minutes southwest of Monticello, along Highway 128 274 Comment
  CAS-BOT-BC92682  Clematis ligusticifolia H. E. McMinn 296 Napa Upper Pope Canyon about 6 miles north of Aetna Springs on road to Middleton. Comment
  JEPS55205  Clematis ligusticifolia Alice King July 1919 Napa Mt. St. Helena, Van Ness Ranch Comment
  UCD73054  Clinopodium douglasii Ellen Dean; S. Rae 2008-5-21 4973 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 213 Comment
  JEPS112524  Collinsia greenei Jake Ruygt 1998-5-25 4000 Napa Capell Canyon 188 Comment
  UCD160674  Collinsia greenei Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8746 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 233 Comment
  UC483682  Collinsia greenei Milo S. Baker 1932-4-26 5965 Napa between Monticello and Pope Val (on Monticello rd to Pope Val, nearer to Pope Val than to Monticello) Comment
  JEPS118638  Collinsia heterophylla B. Castro and L. P. Janeway 2002-5-12 1358 Napa Inner North Coast Ranges. Small soggy meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. Jericho Valley 7.5' quad. Comment
  JEPS7349  Collinsia heterophylla E. Ferguson 1920-5-15 350 Napa Pope Valley Comment
  UCD123575  Collinsia heterophylla Kamala Crompton 1996-5-12 12 Napa next to Berryessa-Knoxville Road, 1 mile of Quarry Canyon. 120 Comment
  UCD48210  Collinsia heterophylla S. Olmsted; A. Atamian, R. Brush, C. Owens, M. Furuyama 2000-4-29 17 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
  UCD49262  Collinsia heterophylla Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 21 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd.,W side of creek. 167 Comment
  RSA305747  Collinsia heterophylla James R. Shevock 1971-4-8 921 Napa Hwy 29 near Co. line. 549 Comment
  UCD123621  Collinsia heterophylla M. Thibodeau 1995-4-15 9 Napa west of City of Winters, along Hwy 128. Quail Ridge Reserve, 15 meters north of main cabin. 274 Comment
  UCD14916  Collinsia heterophylla Helen West 1977-4-29 4 Napa East Bull Canyon, 6.3 miles southwest of Monticello Dam off of Road 128; 182 Comment
  CAS-BOT-BC94519  Collinsia sparsiflora R. C. Wenk; E. S. Wenk 2006-4-30 437 Napa Robert Louis Stevenson State Park. Trail going E from Highway 29 parking lot for trail to Mt. St. Helena, 1/2 mile from Comment
  SEINET13406371  Collinsia sparsiflora M. J. Williams 1967-5-7 s.n. Napa Pope Valley. 198 Comment
  SEINET10548307  Collinsia sparsiflora John T. Middleton 1936-3-27 Middleton 211 A Napa Near monticello. Comment
  UCD36168  Collinsia sparsiflora Beecher Crampton 1952-3-24 1024 Napa 3 miles south of Monticello, along state Highway 128. Comment
  JEPS6322  Collinsia sparsiflora var. arvensis Willis L. Jepson 1893-4-26 21334 Napa Yountville, La Lomita Yountville; Napa River Basin Comment
  JEPS77940  Collinsia sparsiflora var. arvensis Edward Lee 1936-3-15 1795 Napa 3/4 mi from Rutherford (along Rutherford-Pope Valley rd) Comment
  UC1301188  Collinsia sparsiflora var. arvensis Helen K. Sharsmith 1963-3-17 5223 Napa south side of Mount Atlas; San Francisco Bay Region, Mount Atlas 609 Comment
  UC608238  Collinsia sparsiflora var. arvensis B. O. Schreiber 1938-4-24 2497 Napa 5.2 mi n-ne of Napa (Wooden Valley Grade); Wooden Valley Grade 274 Comment
  POM15100  Collinsia sparsiflora var. arvensis C. F. Baker 1903-4-19 1984 Napa Calistoga. Comment
  UC672472  Collinsia sparsiflora var. arvensis A. E. Borell 1928-4-13 118 Napa 10 mi sw Calistoga Comment
  CHSC10572  Collinsia sparsiflora var. collina Lowell Ahart 1969-4-7 Napa Near Lake Berryessa. 243 Comment
  UCD168547  Collinsia sparsiflora var. collina 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
  JEPS112530  Collinsia sparsiflora var. sparsiflora Jake Ruygt 1986-3-9 1641 Napa .4 mile east of Flosden Rd. on American Canyon Rd. 91 Comment
  UCD170150  Collinsia sparsiflora var. sparsiflora Daniel Potter; Ninh Khuu, Travis Parker 2015-3-7 736 Napa East side of Berryessa-Knoxville Road, just west of the Knoxville Wildlife Area boundary 347 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
  UCD123678  Collinsia sparsiflora var. sparsiflora Carl A. Huether Jr. 1964-4-19 44 Napa south side of Soda Creek, 2 miles east of junction with Lower Chilies Valley Road and ca. 2 1/2 miles southwest of Lake Berryessa. Comment
  JEPS128915  Collinsia tinctoria Jake Ruygt 1998-5-20 3979 Napa Chiles Canyon about 1/2 mile N of white bridge. Chiles Valley 7.5' Quad. 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
  UC147867  Collinsia tinctoria Joseph P. Tracy 1904-5-23 2086 Napa near Calistoga (Napa Valley, top of Pratt Hill); Northern Coast Ranges, Napa Valley 91 Comment
  CAS-BOT-BC229531  Collomia diversifolia M. S. Baker 1948-5-12 12038 Napa Butts Canyon just below Black Oak Villa Comment
  UC1736677  Collomia diversifolia Dean W. Taylor 1990-5-25 10813 Napa Butts Canyon Road, near junction with Snell Road. 204 Comment
  SEINET8729290 Image available Collomia diversifolia Herbert L. Mason 1948-1 13570 Napa Near head of Butts Canyon Comment
  SBBG103168  Collomia heterophylla D. H. Wilken 1973-5-6 11925 Napa Las Posadas St Forest, 3 mi SE of Angwin 518 Comment
  UC1197844  Collomia heterophylla J. P. Tracy 1902-5-16 1500 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 335 Comment
  UCD118132  Collomia heterophylla Linnea Neuhaus; 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
  UCD118178  Collomia heterophylla K. Esau 1935-5-5 s.n. Napa Near Petrified Forest, Calistoga. Comment
  RSA92933  Collomia heterophylla P. H. Raven 1951-6-26 3067 Napa Wooden Valley Grade 305 Comment
  UCD127325  Conium maculatum R. Tofsrud 1948-7-15 s.n. Napa Yountville. Comment
  JEPS75689  Cordylanthus mollis subsp. mollis Craig D. Thomsen 1976-7-27 Napa between Fagen Slough and Steamboat Slough; Napa River, Napa Marsh Comment
  JEPS7001 Image available Cordylanthus pilosus subsp. pilosus Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-9 4750 Napa grade over shoulder Mt. St. Helena (road from Calistoga to Middletown, near Hanley's Resort) 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
  JEPS69350  Cordylanthus pringlei T. I. Chuang 1972-7-8 7062 Napa just s Napa and Lake Co. line (on Hwy 29) Comment
  UCR78362  Cordylanthus pringlei T. I. Chuang, F. M. Chuang 1970-8-25 6842 Napa North Coast Range, Just south of Lake County line, on U.S. Hwy 29 463 Comment
  JEPS66520  Cordylanthus pringlei L. R. Heckard and T. I. Chuang 1971-8-16 2777 Napa along US Hwy 29 s Middletown (just across the Lake Co. line) 457 Comment
  JEPS6821  Cordylanthus pringlei R. F. Hoover 1938-9-3 3793 Napa e side Mt. St. Helena Comment
  OBI9575  Cordylanthus pringlei Robert F. Hoover 1966-8-23 9922 Napa E side of Mt. St. Helena, about 1/2 mi S of lake co. line Comment
  RSA201598  Cordylanthus pringlei Robert F. Hoover 1966-8-23 9922 Napa East side of Mt. St. Helena, abotu 0.5 miles south of Lake Co. line. Comment
  UC761848  Cordylanthus pringlei R. F. Hoover 1938-9-3 3793 Napa just s Lake Co. line (e side of Mt. St. Helena); Mt St. Helena Comment
  JEPS55938  Cordylanthus tenuis subsp. brunneus T. I. Chuang and F. M. Chuang 1968-7-24 6485 Napa 10.9 mi n Calistoga Comment
  CAS-BOT-BC209798  Cornus glabrata John Thomas Howell 1939-5-7 14654 Napa 3 1/2 miles from Knoxville on road to Lower Lake Comment
  CAS-BOT-BC209800  Cornus glabrata John Thomas Howell 1929-8-4 4359 Napa One mile below Samuels Springs, Pope Creek Canon [Canyon], Napa Range Comment
  CAS-BOT-BC209801  Cornus glabrata Peter H. Raven 1951-6-26 3089 Napa Along Cappell Ck., Cappell Valley to Wooden Valley 274 Comment
  JEPS50112  Cornus glabrata W. L. Jepson 1899-7-13 14151 Napa Pope Creek Comment
  UC142943  Cornus glabrata Alice Eastwood 1900-9-9 Napa Mt. St. Helena Comment
  UC21512  Cornus glabrata unknown 2657 Napa Pope Valley Comment
  UC723833  Cornus glabrata Joseph Andorfer Ewan 1934-4-30 8849 Napa Steel Canyon 8 mi. s. Monticello; Steel Canyon Comment
  UCD117119  Cornus glabrata Glen Holstein 1978-5-6 s.n. Napa Along Eticuera Creek, near Berryessa-Knoxville Road ca. 6 miles north of north shore of Lake Berryessa. 243 Comment
  UCD32569  Cornus glabrata Beecher Crampton 1954-5-20 1920 Napa 3 miles east of Rutherford, along highway 128, Sage Canyon, Conn Creek. Comment
  SEINET265717  Cornus nuttallii Royal D. Suttkus 1967-6-26 67- 30 -15 Napa Clearly Reserves 7.2 miles NW of Pope Valley. Comment
  UC932002  Cornus nuttallii Verne Grant and Alva Grant 1946-5-26 7634 Napa s.e. slope Mt. St. Helena Comment
  UCSB27482  Cornus nuttallii Havlik, Neil 1969-6-29 Napa Along Trout Creek; near State Highway 29 609 Comment
  UC21548  Cornus sericea subsp. sericea Willis L. Jepson 1894-1 Napa Napa R. near St. Helena; Napa R. Basin, Napa R. Comment
  JEPS106939  Cotula australis Jake Ruygt 1994-3-14 3412 Napa Trancas Avenue east of Big Ranch Road 13 Comment
  POM41962  Cotula coronopifolia Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD144651  Crocanthemum scoparium Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. 243 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
  RSA758274  Crypsis schoenoides Barbara Ertter, Elizabeth Neese 1988-10-2 7963 Napa Lake Hennessey about 15 air miles north-northwest of Napa, on Conn Creek in North Coast Ranges. East of boat-launching ramp on southeast edge. 91 Comment
  UCD59925  Crypsis schoenoides Beecher Crampton 1954-10-26 2300 Napa 4 miles east of Rutherford, Conn Reservoir. Comment
  CDA43110  Crypsis schoenoides David J. Keil 1986-11-8 19798 Napa Along Lake Berryessa-Knoxville Rd. near Knoxville: 3.0 mi south of turnoff to Homestake McLaughlin Mine/Mill. Comment
  UCD59986  Crypsis vaginiflora Beecher Crampton 1954-10-26 2302 Napa South Napa. Comment
  CDA10861  Cryptantha flaccida G. F. Hrusa, M. Rejmanek 1993-5-15 10956 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS85017  Cryptantha flaccida Larry Heckard and Mary Ashton 1969-5-3 2227 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd) 510 Comment
  JEPS104969  Cryptantha hispidula Dean W. Taylor 1998-6-23 16691 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
  SBBG115602  Cryptantha hispidula B. Crampton 1958-4-29 4754 Napa above Capell Crk, N end of Capell Valley Comment
  UC1278001  Cryptantha hispidula B. Crampton 1957-6-4 4092 Napa above Capell Creek (n end of Capell Valley); Capell Valley Comment
  UCD119813  Cryptantha hispidula Robert E. Preston 1988-4-10 574 Napa 0.4 mile southwest of the confluence of Putah Creek and Hunting Creek, on a southeast-facing serpentine slope. 268 Comment
  UCD38825  Cryptantha hispidula Beecher Crampton 1958-4-29 4754 Napa Above Capell Creek. Comment
  JEPS67645  Cryptantha intermedia W. L. Jepson 1896-6-2 21095 Napa St. Helena, hill by stone bridge over Napa River St. Helena, Napa River Comment
  JEPS106703  Cryptantha microstachys Jake Ruygt 1989-4-22 2275 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 405 Comment
  UCD161233  Cryptantha microstachys Jake Ruygt 2002-4-1 4378 Napa Napa County : Blue Ridge north of Mays; flat. (Coordinates estimated by label maker at UC Davis). 487 Comment
  UCD164838  Cryptantha microstachys Jake Ruygt 2012-5-12 5843 Napa Crystal Flats, west of Putah Creek. 182 Comment
  CAS-BOT-BC80716  Cupressus macnabiana H. E. McMinn 1925-1-24 1395 A Napa Pope Valley Canyon between Monticello & Pope Valley P.O. Comment
  CAS-BOT-BC85482  Cupressus sargentii John Thomas Howell 1965-5-27 41324 Napa Along creek in Butts Canyon Comment
  CDA10849  Cupressus sargentii G. F. Hrusa, G. L. Stebbins 1994-4-18 11786 a Napa North Coast Biodiversity Arena; On hill above Swartz Canyon Rd. approx. 2 m. NW of Aetna Springs. 228 Comment
  CDA11162  Cupressus sargentii G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11574 Napa North Coast Biodiversity Arena; 2 m. NW of Aetna Springs along Schwartz Ck. Rd. Comment
  RSA129447  Cupressus sargentii B. O. Schreiber 1936-9-20 2357 Napa 5 miles S of Reiff. 762 Comment
Read comments
Jun 14 2013
  RSA352388  Cupressus sargentii P. H. Raven 1965-5-16 20209 Napa Cedar Valley, vicinity of Knoxville 610 Comment
  NY16828  Cupressus sargentii C. B. Wolf 1934-10-17 6196 Napa This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET11739562  Cupressus sargentii F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -322 Napa along Butts Canyon Road near junction with Snell Valley Road along Butts Creek 250 Comment
  UCD161535  Cuscuta campestris Jake Ruygt 1991-8-24 2833 Napa Napa River at Bale Lane. 80 Comment
  JEPS47095  Cuscuta indecora W. L. Jepson 1930-10-19 15703 Napa Butts Canyon Comment
  UCD170466  Cuscuta indecora var. indecora Daniel Potter; Ninh Khuu 2016-6-18 895 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 448 Comment
  JEPS47141  Cuscuta subinclusa Willis L. Jepson 1901-8-6 1735 Napa St. Helena Napa River Basin, Howell Mt. Comment
  UCD95902  Cynoglossum grande Ellen Dean; with Clare Loughran 2011-5-20 7045 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 594 Comment
  CAS-BOT-BC190359  Cynosurus echinatus Betty H. Johnson 1958-6-20 s.n. Napa Along road near stream, near Mt. Mill House, 6.4 miles southwest of Middletown. Comment
  UCD73511  Cyperus eragrostis Ayzik Solomeshch 2007-5-30 s. n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road. 152 Comment
  POM185405  Cyperus eragrostis A. D. E. Elmer 1903-07 4656 Napa Napa Comment
  SEINET3909600  Cyperus erythrorhizos Barbara Ertter, Elizabeth Neese 1988-10-2 7964 Napa Lake Hennessey about 15 airmiles NNW of Napa, on Conn Creek in North Coast Ranges.; 0 91 Comment
  UC1133517  Cyperus niger Beryl Schreiber 1938-9-25 2550 Napa Putah Creek Canyon, North Ranch Capay Quad., Putah Creek Canyon, North Ranch Comment
  CAS-BOT-BC114170  Cyperus squarrosus Peter H. Raven 1951-6-10 2933 Napa Crater Region E of Palisades. 762 Comment
  JEPS129139  Cyperus squarrosus Jake Ruygt 1998-7-18 4096 Napa Bear Valley at pond. Detert Reservoir 7.5' Quad. Comment
  UC1563684  Cypselea humifusa Barbara Ertter with Elizabeth Neese 1988-10-2 7967 Napa ca 15 air mi nnw Napa (Lake Hennessey, on Conn Creek, e of boat-launching ramp on se edge); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  UCSB61644  Cypselea humifusa Ertter, Barbara; Neese, Elizabeth 1988-10-2 Napa Lake Hennessey ca 15 air miles NNW of Napa, on Conn Creek in North Coast Ranges, T7N R5W; E of boat-launching ramp on SE edge 91 Comment
  CAS-BOT-BC70576  Cystopteris fragilis Peter H. Raven 1957-5-5 10771 Napa western edge of Calistoga 182 Comment
  JEPS122994  Danthonia californica Jake Ruygt 1992-5-15 2957 Napa NW of Leoma Lakes, Wild Horse Valley Ranch. Quad: Mount George. Comment
  JEPS75997  Danthonia californica W. L. Jepson 1936-6-1 17594 Napa Four Corners Napa Range, Howell Mt. (w side) Comment
  RSA140818  Daucus carota John H. Thomas 1960-8-29 8839 Napa About 1 mile north of Calistoga along highway number 53 Comment
  RSA187491  Daucus pusillus John H. Thomas 1955-5-21 5139 Napa Sarco Creek drainage, near State Hwy No. 37 about 6 miles from Napa 244 Comment
  UCD159931  Daucus pusillus 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
  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
  JEPS106659  Deinandra corymbosa Jake Ruygt 1980-6-1 908 Napa Milton Rd. across from Yacht club 0 Comment
  CAS-BOT-BC10197  Delphinium hesperium John Hunter Thomas 1955-5-21 5160 Napa Near State Highway No. 128 and Capell Creek, about 12 miles E of St. Helena 274 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
  CAS-BOT-BC10110  Delphinium hesperium subsp. pallescens David Daniels Keck 1933-5-29 2366 Napa Pope Creek bridge south of Walters Springs Comment
  CAS-BOT-BC10113  Delphinium hesperium subsp. pallescens George Ledyard Stebbins 1967-5-31 6523 Napa Cedar Valley south of Knoxville 609 Comment
  JEPS110987  Delphinium hesperium subsp. pallescens Jake Ruygt 1992-5-2 2924 b Napa Snell Valley 195 Comment
  UC854135  Delphinium hesperium subsp. pallescens Lewis S. Rose 1932-6-7 32308 Napa N. Branch Dry Creek Comment
  LA207503  Delphinium hesperium subsp. pallescens H. Lewis; G. Mehlquist 1941-9-5 sn Napa Putah Creek Canyon, 14.7 mi. W of Winters Comment
  POM215117  Delphinium hesperium subsp. pallescens D. D. Keck 1933-5-29 2366 Napa Just south of Pope Creek Bridge, south of Walter Springs Comment
  UC906503  Delphinium hesperium subsp. pallescens J. Ewan 1934-4-30 8835 Napa 0.5 mi from jct Steel Canyon Rd and Monticello-Wingers Rd (along Steel Canyon Rd); ; Napa Co. Comment
  CAS-BOT-BC9808  Delphinium nudicaule L. R. Abrams 1928-5-3 12242 Napa Summit St. Helena Grade Comment
  CAS-BOT-BC9813  Delphinium nudicaule John Thomas Howell 1931-4-2 6080 Napa Summit of Wooden Valley Grade, 8 miles east of Napa Comment
  SEINET7075475  Delphinium nudicaule A. G. Vestal 1955-4-6 s.n. Napa Steep rocky bank south of Pope Valley in Canyon on Howell Mountain Road. 38? deg. 36' 21" North Latitude, -122? deg. 26' 02" West Longitude. (NAD 27). [Coordinate Datum: WGS84/NAD83]. Comment
  RSA155464  Delphinium nudicaule L. S. Rose 1961-3-30 61027 Napa 1 mile N of Conn Reservoir, Lake Henessy. 152 Comment
  SEINET10762770  Delphinium nudicaule var. foliosum George Thurber Thurber 511 Napa Comment
  POM182738  Delphinium patens D. D. Keck 1931-4-2 1047 Napa 4 miles S of Monticello, eastern Napa County. Comment
  UC917291  Delphinium patens M. R. Wanzer 1948-4-3 7 Napa 13 mi w Winters (w side of small hill); Putah Canyon Comment
  CAS-BOT-BC116493  Delphinium patens subsp. patens C. B. Wolf 1928-5-3 1834 Napa base of Mt. St. Helena Comment
  CAS-BOT-BC116495  Delphinium patens subsp. patens Alice Eastwood 1918-5-1 6815 Napa Mt. St. Helena Comment
  CAS-BOT-BC116494  Delphinium patens subsp. patens J. T. Howell 1931-4-2 6105 Napa Grassy meadow, 4 miles from Monticello on road to Napa, Napa Range Comment
  JEPS110976  Delphinium uliginosum Jake Ruygt 1991-5-25 2692 Napa Paradise Valley 280 Comment
  JEPS23342  Delphinium uliginosum W. L. Jepson 1920-5-25 9037 Napa Knoxville Ridge; ne Napa Co. Comment
Read comments
Mar 29 2015
  JEPS23363  Delphinium variegatum subsp. apiculatum W. L. Jepson 1893-4-26 Napa hills near Yountville; Napa Valley Comment
  UC727074  Dendromecon rigida A. A. Heller 1940-6-13 15737 Napa on road leading to summit just above junction of the trail from the Stevenson Tablet (e side of mountain); Mt. St. Helena Comment
  UCD41329  Deschampsia danthonioides Tera Pitman; E. Dean, M. Bibbo, and A. Douglas 2004-5-1 4 Napa McLaughlin UC Reserve, N side of Knoxville-Berryessa Rd, W of the gate to the old town of Knoxville. 426 Comment
  UC527961  Dichelostemma capitatum R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6658 Napa 5 mi e St. Helena (on road to Pope Valley) 304 Comment
  UC3246  Dichelostemma capitatum Willis L. Jepson 1893-1 Napa e of St. Helena; Napa River Basin Comment
  UCD117811  Dichelostemma capitatum subsp. capitatum Eileen Hollett; Plant Biology 102 Collectors 2012-4-29 7 Napa Las Posadas State Experimental Forest. Along dirt road 0.1 miles northeast of fire station. North side of the road. 518 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
  UCD139436  Dichelostemma capitatum subsp. capitatum M. R. Wanzer 1948-4-3 4 Napa Putah Creek Canyon, 13 miles west of Winters. Comment
  UCD148736  Dichelostemma capitatum subsp. capitatum Jake Ruygt 1977-3-14 154 Napa Napa County; 2.2 miles north of Silverado Trail on Soda Canyon Road. 115 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
  HSC43971  Dichelostemma volubile Robert M. Specht 1977-5-14 891 Napa Near junction of Develhead Rd. and Morgan Valley Rd. 463 Comment
  UCD148737  Dichelostemma volubile Jake Ruygt 2005-5-14 4845 Napa Napa County; Berryessa-Knoxville Rd. near south end of Knoxville Wildlife Area. 268 Comment
  CAS-BOT-BC150363  Diplacus aurantiacus James L. Reveal 1987-6-7 6398 Napa Vaca Mountains, along the Mix Canyon Road, 3 miles west of Pleasant Valley Road; about 6.5 miles northwest of Vacaville 609 Comment
  CAS-BOT-BC150364  Diplacus aurantiacus Peter H. Raven 1952-5-31 4127 Napa S.W. of Rector Canyon 152 Comment
  CAS-BOT-BC150365  Diplacus aurantiacus Gilbert Muth 1967-5-17 668 Napa Oat Hill Road, Calistoga 243 Comment
  CAS-BOT-BC151960  Diplacus douglasii Maxine Wilkes 1940-5-1 s.n. Napa Headwaters of St. Helena Creek Comment
  JEPS8808  Dipsacus fullonum W. L. Jepson 1936-5-30 17562 Napa Napa Valley, Rutherford Rutherford; Napa Valley, Rutherford Comment
  CDA10950  Disporum hookeri G. F. Hrusa, G. L. Stebbins 1994-4-8 11708 Napa North Coast Biodiversity Arena; Las Posadas State Forest. Main canyon of upper Moore's Creek. Comment
  SEINET4170353  Disporum hookeri C. H. Lamoureux, J. M. Tucker , Roman Gankin 1957-4-11 1207 Napa Junction of Glass Mountain Road abd Siverado Trail Comment
  CAS-BOT-BC208623  Distichlis spicata Peter H. Raven 1951-6-24 3024 Napa Inter, Brown's Valley to Napa-Sonoma Rd. 91 Comment
  CAS-BOT-BC208624  Distichlis spicata Peter H. Raven 1951-9-9 3909 Napa Slaughterhouse Pt., Napa River 0 Comment
  SBBG128696  Dittrichia graveolens L. Ahart 2009-10-27 16503 Napa sides of rds at intersection of Pope Cyn Rd and Berryessa Knoxville Rd, near Lake Berryessa, ca. 20 mi (air) W of Winters 152 Comment
  JEPS112626  Dodecatheon hendersonii Jake Ruygt 1977-4-3 168 Napa hills east of Lake Berryessa at north end (Green Canyon) 243 Comment
  RSA15626  Dodecatheon hendersonii Carl B. Wolf 1928-2-25 1480 Napa Mt. St. Helena Grade, 2 mi. below Hawkins Mt. Camp. Comment
  UC22378  Dodecatheon hendersonii W. L. Jepson 1896-2-22 Napa Howell Mt. Comment
  UCD49112  Dodecatheon hendersonii C. Mathews; T. Petrie, K. Glover, and C. Little 2001-4-14 1 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam; near jct of West Rd. and Decker Bay Trail, S side of West Rd. 152 Comment
  RSA461376  Dodecatheon hendersonii H. de Forest 1930-3-23 s.n. Napa Mt. St. Helena. Ridge SE from mt. 701 Comment
  SBBG83708  Dodecatheon hendersonii D. Belshaw 1975-4-12 5 Napa Lake Berryessa, 25.9 mi W of Davis on State Hwy 128 Comment
  UCD147463  Downingia Ellen Dean; Diana Hickson 2014-4-29 8076 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 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
  JEPS106566  Downingia concolor var. concolor Jake Ruygt 1996-5-13 3662 Napa Hardin Road, .35 mile from Pope Canyon Road, Pope Valley 183 Comment
  UCD160761  Downingia cuspidata Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8631 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
  UCD167135  Downingia cuspidata Jake Ruygt 2015-5-23 6108 d Napa West of Buck Mountain. 599 Comment
  JEPS126076  Downingia pulchella Jake Ruygt 1993-5-14 3262 Napa West of American Canyon near county line. Cuttings Wharf 7.5' Quad. Comment
  JEPS106568  Downingia pusilla Jake Ruygt 1981-3-26 1148 Napa east of Rocktram, west of HWY 221 3 Comment
  JEPS106570  Downingia pusilla Jake Ruygt 1986-4-14 1701 Napa 4.5 miles north of Westgate Dr. on Atlas Peak Road 448 Comment
  JEPS29133  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
  POM59145  Downingia pusilla A. A. Heller, H. E. Brown 1902-4-25 s.n. Napa Near Napa 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-BC41386  Draba verna John Thomas Howell 1926-3-21 1727 Napa Saint Helena Creek Near Patten's. 609 Comment
  UC673417  Draba verna Herbert L. Mason 1926-3-14 2739 Napa Mt. St. Helena Comment
  JEPS44322  Drymocallis glandulosa var. wrangelliana Willis L. Jepson 1893-4-26 127 p Napa La Lomita at Yountville (Napa River Basin); , La Lomita at Yountville Comment
  CAS-BOT-BC70946  Dryopteris arguta 1899-7-1 s.n. Napa Mt. St. Helena Comment
  SFV5088  Dryopteris arguta B. C. Templeton 1957-6-26 s. n. Napa Calistoga. Near Hill and Connors Ranches. Comment
  JEPS49899  Dudleya cymosa W. L. Jepson 1896-6-2 13420 Napa near St. Helena; Napa Valley Comment
  JEPS50046  Dudleya cymosa W. L. Jepson 1938-5-22 18821 Napa Limekiln Creek Canyon Pope Valley Comment
  JEPS106392  Dudleya cymosa subsp. cymosa Jake Ruygt 1978-5-7 296 Napa 1.4 miles NE of Spanish Flat tuurnoff on HWY 128 146 Comment
  UCD148745  Dysphania multifida Jake Ruygt 1981-7-12 1075 Napa Napa County, Napa. Suscol Ave. south of Silverado Trail. 6 Comment
  CLARK-A1528-4596  Echinochloa crus-galli John C. Roos 1939-5-7 262 Napa Angwin Comment
  UCD161351  Eleocharis bella Jake Ruygt 1986-8-23 1909 c Napa Lake Hennessey near treatment plant. (Coordinates estimated by label maker at UC Davis). 94 Comment
  JEPS121357  Eleocharis palustris Jake Ruygt 1991-9-14 2779 Napa Doe Lake, Friesen's lakes, Angwin. Comment
  UCD161738  Eleocharis radicans Jake Ruygt 1992-7-22 3104 Napa Leoma Lakes, Wild Horse Valley Ranch. 405 Comment
  CAS-BOT-BC112222  Eleocharis rostellata Peter H. Raven 1957-5-5 10753 Napa Near hot springs runoff, Calistoga 91 Comment
  SACT001058  Elymus canadensis M. Wiesendanger 1927-5-4 Napa Comment
  UC187088  Elymus glaucus J. P. Tracy 1902-5-21 1595 Napa 3-4 mi e Angwin (head of creek); Howell Mountain, Morre's Creek 396 Comment
  UCD20736  Elymus glaucus Ellen Dean; w/ Mark Bibbo 2002-6-17 1100 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. South Decker Canyon Rd. just S of jct with Cut Off Rd. In the middle of the road. 190 Comment
  CAS-BOT-BC203592  Elymus glaucus subsp. glaucus Doris K. Kildale 1928-5-8 5046 Napa 3 miles west of Vacaville Comment
  JEPS84680  Elymus glaucus subsp. glaucus John W. Willoughby 1979-5-25 4327 Napa top of ridge just above Pansy Flat (flat is about 1 mi s of Signal Hill just below and to w of Blue Ridge); Vaca Mountains 609 Comment
  SACT001100  Elymus glaucus subsp. glaucus John Willoughby 1979-5-25 Napa About 1 mile south of Signal Hill just below and to the west of Blue Ridge. Forming colonies under oaks, top of ridge just above Pansy Flat. 609.6 Comment
  SACT001119  Elymus glaucus subsp. glaucus John Willoughby 1975-5-23 Napa West of Monticello Dam, in foothill woodland. Comment
  UC1153914  Elymus trachycaulus Beecher Crampton 1957-6-4 4106 Napa slopes above Capell Creek (n end of valley); Capell Valley Comment
  UCD37943  Elymus trachycaulus Beecher Crampton 1962-5-16 6423 Napa Napa County, 6.4 miles south of Pope Valley, western slope of Chiles Valley. Comment
  UC1177088  Epilobium brachycarpum Peter H. Raven 1952-9-14 5167 Napa Yountville 106 Comment
  JEPS44032  Epilobium canum subsp. canum Willis L. Jepson 1903-9-7 2355 Napa York Creek Canyon Napa River Basin, St. Helena Comment
  CAS-BOT-BC171952  Epilobium canum subsp. latifolium T. S. Brandegee 1888-9-1 s.n. Napa Howell Mountain Comment
  SD147979  Epilobium canum subsp. latifolium D. Sanchez-Mata, P. Rodriguez-Rojo 1996-10-19 Napa Knoxville-Berryessa Road. Perennial plant communities in basaltic rocky slopes near Spanish Flat. 220 Comment
  UCD105468  Epilobium canum subsp. latifolium D. H. Hartmann 1941-8-19 s.n. Napa Putah Canyon. Comment
  JEPS39260  Epilobium ciliatum subsp. ciliatum Willis L. Jepson 1893-9-22 14464 Napa near Yountville; Napa River Basin Comment
  JEPS38242  Epilobium densiflorum W. L. Jepson 1893-9-22 14406 Napa Yountville Comment
  UC1198490  Epilobium foliosum J. P. Tracy 1899-6-14 359 Napa flat at top of mt. Howell Mountain, Moore's Creek (head of creek, 3-4 mi e of Angwin's) 518 Comment
  UC144088  Epilobium minutum J. P. Tracy 1902-5-16 1499 Napa 3-4 mi e Angwin's (head of creek); Howell Mountain, Moore's Creek 457 Comment
  UCD69077  Epilobium minutum P. Rodriguez-Rojo 1997-5-31 s.n. Napa Lake Berryessa. Capell Creek. 155 Comment
  UC1004708  Epipactis gigantea J. M. Tucker 1954-6-13 2709 Napa 3.5 mi above Recreation Beach; Putah Creek Comment
  RSA92798  Equisetum laevigatum P. H. Raven 1951-10-28 3922 Napa Yountville. 61 Comment
  CAS-BOT-BC293618  Erigeron biolettii L. R. Abrams 1916-7-2 5750 Napa Near St. Helena Sanitarium Comment
  OBI16540  Erigeron greenei Robert F. Hoover 1966-8-23 9923 Napa E side of Mt St. Helena. 1/2 mi from Lake Co line Comment
  CAS-BOT-BC216032  Eriodictyon californicum R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6672 a Napa 7 mi. NE of Pacific Union college (Howell Mt.) on road to Aetna Springs Comment
  SEINET3091529 Image available Eriodictyon californicum Royal D. Suttkus 1967-6-26 67- 30 -17 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  UC527841  Eriodictyon californicum R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6672 a Napa 7 mi ne of Pacific Union College (Howell Mt.) on road to Aetna Springs Howell Mt. Comment
  UCD48051  Eriodictyon californicum E. Anderson; L. Lina, A. Miles, J. Waggoner, and R. Wenk 2000-4-22 11 Napa Napa County, California. McLaughlin Reserve, first ridge South of Knoxville-Berryessa Road, on Southeast side of Devil Road. 515 Comment
  CAS-BOT-BC242608  Eriogonum dasyanthemum Peter H. Raven 1951-6-26 3080 Napa Cappell [Capell] Valley 365 Comment
  JEPS129045  Eriogonum dasyanthemum Jake Ruygt 2016-6-11 6284 Napa Smittle Creek, east side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  SBBG1475  Eriogonum dasyanthemum J. M. Tucker 1941-9-20 394 Napa Putah Cyn, Vaca Range Comment
  RSA128800  Eriogonum dasyanthemum Peter H. Raven 1951-10-28 3954 Napa Road 4 miles south of Knoxville 366 Comment
  CAS-BOT-BC266053  Eriogonum luteolum Susan G. Stokes 1933-8-27 80 Napa Sage Canyon, Napa Mountains Comment
  CAS-BOT-BC266068  Eriogonum luteolum James L. Reveal 1987-6-7 6411 Napa Along Oakville Grade, 1.5 miles southwest of Oakville, about 6 airline miles south of St. Helena 243 Comment
  POM204404  Eriogonum luteolum J. T. Howell 1933-8-27 11651 Napa Chiles Valley Comment
  CAS-BOT-BC266054  Eriogonum luteolum Susan G. Stokes 1933-8-27 92 Napa Upper part of Sage Valley, Napa Mountains Comment
  SD22570  Eriogonum luteolum Sdusan Stokes Aug 27 92 Napa Chiles Canyon Comment
  UC534932  Eriogonum luteolum var. luteolum Susan G. Stokes 1933-8-27 92 Napa Upper part of Sage Canyon Napa Mts., Sage Canyon Comment
  UCD160655  Eriogonum luteolum var. luteolum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8741 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  JEPS116864  Eriogonum luteolum var. luteolum David Gowen 2007-9-10 796 Napa Butts Canyon Road at Snell Valley Road. Comment
  JEPS117028  Eriogonum luteolum var. luteolum David Gowen 2008-5-14 912 Napa Just north of intesction of Snell Rd. on Butts Canyon Rd. Comment
  JEPS56166  Eriogonum luteolum var. luteolum W. L. Jepson October, 1894 Napa Napa Co. Comment
  CAS-BOT-BC268976  Eriogonum nudum var. auriculatum Susan G. Stokes 1933-8-27 87 Napa Sage Valley, Napa Mountains Comment
  CAS-BOT-BC268977  Eriogonum nudum var. auriculatum Peter H. Raven 1951-8-22 3884 Napa 2 8/10 miles from Lokoya on Napa Rd 228 Comment
  CAS-BOT-BC268980  Eriogonum nudum var. auriculatum John Thomas Howell 1930-7-13 5345 Napa Lower slopes of Mt. St. Helena Comment
  RSA491734  Eriogonum nudum var. auriculatum James L. Reveal 1987-6-7 6408 Napa Along California Highway 128 near Sage Creek, 1.8 mile east of the junction of the Chiles and Pope Valley Road and 2.9 miles southwest of the junction of Lower Chiles Valley Road Comment
  CAS-BOT-BC124287  Eriogonum nudum var. nudum Susan Gabriella Stokes 1933-8-27 88 Napa Near Chiles Valley, Napa Range Comment
  JEPS56627  Eriogonum nudum var. nudum W. L. Jepson 1937-9-29 18571 Napa on road to Sanitorium; St. Helena Comment
  RSA766355  Eriogonum nudum var. nudum Joseph A. Ewan 1933-9-17 8001 Napa Near Stevenson Monument, Mt St Helena 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
  JEPS110856  Eriogonum umbellatum var. bahiiforme Jake Ruygt 1980-6-21 935 Napa Bear Valley 621 Comment
  JEPS41069  Eriogonum vimineum Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9106 Napa 1 mi n, along Devilhead Road Zim Zim Creek (about 3 mi sw of Knoxville) 487 Comment
  UCD101529  Eriogonum vimineum Robert E. Preston 1987-6-20 568 Napa 3/4 mile N of Round Corral in Big Basin. 268 Comment
  SEINET3814250 Image available Eriogonum vimineum var. californicum Lewis S. Rose 1939-8-20 39357 Napa Chiles Creek Canoyn, 6 miles east of Rutherford. 213 Comment
  JEPS120313  Eriogonum wrightii var. trachygonum Jake Ruygt 1987-10-12 2102 Napa Putah Creek north of Berryessa Estates. Aetna Springs 7.5' Quad. Comment
  JEPS106952  Eriophyllum confertiflorum Jake Ruygt 1995-6-13 3495 Napa Oakville Grade about 100 yards east of Mt. Veeder Road. 176 Comment
  SBBG118106  Eriophyllum lanatum C. Bornstein, E. Collins 2004-6-19 Napa Pope Valley Rd, ca. 1.6 mi N of jct with Lower Chiles Valley Rd 259 Comment
  UCD160736  Eriophyllum lanatum Ellen Dean 2015-5-23 8788 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. 231 Comment
  CAS-BOT-BC301053  Eriophyllum lanatum var. achilleoides R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6679 Napa Butt's Canyon, 10 mi. N. of Howell Mt. Comment
  CAS-BOT-BC301054  Eriophyllum lanatum var. achilleoides Peter H. Raven 1951-5-6 2817 Napa 4 miles Conn Dam from Rutherford 91 Comment
  JEPS34602  Eriophyllum lanatum var. achilleoides W. L. Jepson 1923-4-29 9889 Napa St. Helena Comment
  CDA4963  Eriophyllum lanatum var. achilleoides Butler 1947-6-6 Napa Wooden Valley, Napa. 0 Comment
  JEPS34726  Eriophyllum lanatum var. achilleoides W. L. Jepson 1936-5-31 17573 Napa La Jota Howell Mt., La Jota Comment
  JEPS34727  Eriophyllum lanatum var. achilleoides W. L. Jepson 1936-6-2 17600 Napa Sanitarium, e of St. Helena Comment
  RSA92291  Eriophyllum lanatum var. achilleoides F. W. Peirson 1928-7-4 7953 Napa Summit of Mt. St. Helena grade Comment
  UC1051754  Eriophyllum lanatum var. achilleoides Helen K. Sharsmith 1953-6-15 4185 Napa se slope of Cappell Valley just w of junction of Cappell Valley <road> and Monticello road; Cappell Valley 274 Comment
  UC164782  Eriophyllum lanatum var. achilleoides Joseph P. Tracy 1904-5-23 2102 Napa hills on e side Napa Valley (near Calistoga) 243 Comment
  HSC5611  Eriophyllum lanatum var. grandiflorum Greg Bos 1963-3-24 49 Napa NW end of Lake Berryessa, at Putah Creek 473 Comment
  POM117391  Erodium botrys Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UCD117766  Erodium botrys Lisa Arimoto; Plant Biology 102 Collectors 2012-5-5 7 Napa Las Posadas State Experimental Forest. Northeastern part of property, in Recreation Flat valley. 386 Comment
  UCD18170  Erodium botrys 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
  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
  JEPS104536  Eryngium aristulatum Jake Ruygt 1988-5-7 2182 Napa .5 miles east of Flosden Rd., American Canyon 173 Comment
  LA33150  Eryngium aristulatum Robert F. Hoover; 1937-8-31 2701 Napa 6 mi. S of Napa Comment
  JEPS17445  Eryngium aristulatum var. aristulatum Willis L. Jepson 1893-4-26 14276 Napa Rutherford Comment
  JEPS17436  Eryngium aristulatum var. aristulatum Willis L. Jepson 1903-9-7 2352 Napa above St. Helena Reservoir; Napa River Basin Comment
  UC596078  Eryngium aristulatum var. aristulatum R. F. Hoover 1937-8-31 2701 Napa 6 mi. s. Napa Comment
  UC21008  Eryngium articulatum Willis L. Jepson 1894-5-3 Napa near Napa R. St. Helena; Napa R. Basin, St. Helena Comment
  UCD164833  Eryngium jepsonii Jake Ruygt 2012-6-2 5856 Napa Butts Canyon Road, across road from James Creek Road. Comment
  UC10529  Erysimum capitatum Willis L. Jepson 1893-5-4 Napa trail to summit Napa River Basin, Mt. St. Helena Comment
  UCD114994  Erysimum capitatum var. capitatum W. M. Grannell 1950-4-27 2 Napa Putah Canyon. Comment
  UCD170371  Erysimum capitatum var. capitatum Daniel Potter; N Khuu, K Battenberg 2016-4-30 869 Napa Knoxville Wildlife Area, along Nevada Creek. 194 Comment
  SD7101  Erythranthe guttata Brandegee Sept 1888 Napa Howell Mountain Comment
  SEINET8405337  Erythranthe nudata 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
  CAS-BOT-BC133282  Erythronium helenae Elmer I. Applegate 1934-3-11 8842 Napa St. Helena Creek, half a mile south of Lake County line Comment
  RSA195285  Erythronium helenae Gilbert Muth 1967-4-9 601 Napa Aetna Spring Road. 305 Comment
  UC1328143  Erythronium helenae Donald V. Hemphill 1941-3-22 155 Napa 1 mile south of Snell Peak. 335 Comment
  SEINET10528927  Erythronium pluriflorum James R. Shevock, Jim A. Bartel 1988-7-2 Shevock 11844 Napa Common along the north and northeast slope of Shuteye Peak on granitic rocky slopes, subalpine coniferous forest, T7S R23E, sect 2N 1/2. Chiquito Ridge, San Joaquim River drainage, Sierra National Forest. Associated with Saxifraga bryophora, Lomatatium torreyi and Sorbus californica. 8250 feet. Comment
  JEPS110780  Eschscholzia caespitosa Jake Ruygt 1989-4-8 2248 Napa about 1/2 mile south of Monticello Dam on Vaca Mtns. 182 Comment
  RSA785708  Eschscholzia caespitosa Carrie A. Herd 1982-5-9 92 Napa Trinity, Dry Creek Road, 0.5 mi. E. of Mt. Veeder Rd. Comment
  CAS-BOT-BC403338  Eschscholzia californica Gilbert Muth 1967-4-16 631 Napa Snell Valley 182 Comment
  RSA31673  Eschscholzia californica var. crocea A. A. Heller 1941-5-16 16125 Napa Knoxville, border of mine dump. Comment
  RSA0004638  Eschscholzia formosa C. F. Baker 1903-4-20 2614 Napa Mt. St. Helena. Comment
  SEINET4854346  Eschscholzia formosa Carl F. Baker 1903-4-20 2614 Napa Mount St. Helena. Comment
  HSC16780  Eschscholzia hypecoides Greg Bos 1963-3-24 44 Napa NW end of Lake Berryesa, at Putah Creek 168 Comment
  JEPS120337  Eucalyptus globulus Jake Ruygt 1989-4-29 2293 Napa Napa River about 1/4 mile north of Trancas Street, Napa. Napa 7.5' Quad. Comment
  SEINET6692542 Image available Eucalyptus globulus Royal D. Suttkus 1967-1 67- 30 -5 Napa Clearly Reserves, 7.2 miles NW of Pope Valley Comment
  UCD103236  Eucalyptus viminalis W. L. Jepson 1936-6-29 17628 Napa In front of house, at edge of road, of Mrs. O. G. Freyermuth, near Rutherford. Comment
  UCD20021  Euphorbia crenulata C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1217 Napa 5.6 miles N of junction of Routes 128 and 37 on Route 128. Comment
  UC2043157  Euphorbia oblongata Barbara Ertter with Jake Ruygt 1996-4-25 14605 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley. Comment
  UCD142417  Euphorbia oblongata R. Lawley 1972-5-1 s.n. Napa Highway 29 south of Calistoga. Comment
  JEPS106419  Euphorbia spathulata Jake Ruygt 1989-5-9 2315 Napa American Canyon, Avilla Ranch 85 Comment
  JEPS104531  Eurybia radulina Jake Ruygt 1996-7-13 3766 Napa White Cliff Springs, Soda Valley (Soda Spring). 341 Comment
  HSC100738  Euthamia occidentalis Lowell Ahart 2009-10-12 16420 Napa Below the high water line of Lake Berryessa, along Capell Creek, E of rest area, 3/4 mi. NE of Hwy. 128 on Berryessa Knoxville Rd., 3/4 mi. SW of Capell Cove Launch Ramp, 19 (air) mi. W of Winters. 133 Comment
  UC31888  Euthamia occidentalis Joseph Burtt Davy 1894-9-30 741 Napa Calistoga Valley Comment
  CHSC30533  Festuca californica T. B. Devine 1980-4-12 698 Napa On Hwy. 29 ca 4 1/2 mi. SW of Robert Louis Stevensen State Park. Comment
  JEPS75636  Festuca californica W. L. Jepson 1936-5-28 17543 Napa Adam-and-Eve Ridge Howell Mt. Comment
  UC766903  Festuca californica R. F. Hoover 1941-4-26 4926 Napa canyon n Pope Valley (on road to Butts Canyon) Comment
  UCD65830  Festuca californica M. Wiesendanger 1927-5-4 700 Napa Monticello, Napa Road. Comment
  HSC9857  Festuca elmeri C. B. Wolf 1928-5-3 1813 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  UCD164759  Festuca elmeri Jake Ruygt 2014-6-9 5986 Napa Livermore Ranch, Bear valley. 623 Comment
  JEPS122955  Festuca perennis Jake Ruygt 1982-6-6 1310 Napa South of Suscol hill and west of Highway 29. Quad: Cuttings Wharf. Comment
  CDA10871  Festuca roemeri G. F. Hrusa, M. Rejmanek 1993-5-15 10966 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  SEINET9335789  Festuca roemeri Unknown 1993-5-15 10966 Napa Quail Ridge Reserve Comment
  UCD37405  Festuca roemeri Beecher Crampton 1960-5-17 5533 Napa 5 miles east of Rutherford, southern slopes of Conn Reservoir, along State Highway 128. Comment
  UCR19343  Festuca tracyi John C. Roos 1939-4-18 251 Napa North Coast Range, 3.5 mi. north of Pacific Union College, Angwin. Roadside below Dilly's Place 231 Comment
  JEPS84598  Filago pyramidata var. pyramidata John W. Willoughby 1977-4-20 2139 Napa w side of range Vaca Mountains (latitude approximately that of Mount Vaca) 457 Comment
  RSA51300  Fragaria californica Peter H. Raven 1950-4-5 1742 Napa Wooden Valley Grade above Napa. 457 Comment
  JEPS44868  Fragaria vesca Willis L. Jepson 1893-5-1 13872 Napa Calistoga Napa River Basin (on Knights Valley grade) Comment
  CAS-BOT-BC454532  Fragaria vesca subsp. californica Alice Eastwood 1922-5-4 11249 Napa Calistoga Comment
  UCD19915  Frangula californica subsp. californica E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 771 Napa Quail Ridge Reserve. SW corner of Lake Beryessa, along South Decker Canyon Road, S of junction with Cut-off Road. 219 Comment
  CAS-BOT-BC53526  Frangula californica subsp. tomentella Carl B. Wolf 1928-2-25 1509 Napa 3 mi. No. of summit of the Mt. St. Helena Grade, near Lake - Napa Cos. Line. Comment
  UCD167094  Frangula californica subsp. tomentella Jake Ruygt 2015-7-4 6148 Napa Missimer - Snell Valley Preserve. 177 Comment
  CAS-BOT-BC223848  Frankenia palmeri Peter H. Raven 1951-9-9 3906 Napa Slaughterhouse Pt., Napa River 0 Comment
  JEPS78436  Fraxinus latifolia Edward Lee 1936-3-15 1803 Napa 0.75 mi out of Rutherford (Rutherford to Pope Valley road) Comment
  LA50918  Fraxinus latifolia Joseph Andorfer Ewan; 1934-4-30 8860 Napa near Samuel Springs, above Monticello on Pope Valley Grade Comment
  RSA22334  Fraxinus latifolia Joseph A. Ewan 1934-4-30 8860 Napa Near Samuel Springs, above Monticello, on Pope Valley Grade Comment
  HSC38150  Fremontodendron californicum Thomas W. Nelson, J. P. Smith, Jane P. Nelson, James Nelson 1976-4-12 2347 Napa Along Morgan Valley Rd., 0.5 mi. from Lake Co. line Comment
  RSA41909  Fremontodendron californicum Ella Dales Cantelow 1939-5-7 2529 Napa Just E of Napa - Lake Co line. Comment
  SBBG26893  Fremontodendron californicum H. L. Mason 1935-5-30 10009 Napa 4 mi N of Knoxville Mines Comment
  UCD116319  Fremontodendron californicum Robert E. Sholars 1975-5-27 43 Napa East side of State Highway 128, 4 miles north of State Highway 121. Comment
  JEPS55693  Fritillaria affinis W. Roderick 1964-3-17 Napa Butts Canyon, near Lake County Line Butts Canyon Comment
  JEPS61899  Fritillaria affinis Willis L. Jepson 1893-4-28 14825 Napa n of Wooden Valley Grade (Napa Mountains, Napa River Basin, Milliken Creek); Napa Mountains, Napa River Basin, Milliken Creek Comment
  RSA10653  Fritillaria affinis Carl B. Wolf 1928-5-3 1836 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  RSA52736  Fritillaria affinis I. L. Wiggins 1949-4-30 12087 Napa Along Forest Service road about 1.5 miles above Calistoga - Middletown highway Comment
  JEPS89228  Fritillaria pluriflora W. Roderick 1964-3-17 Napa Butts Canyon, near Lake County Line Butts Canyon Comment
  CAS-BOT-BC130487  Fritillaria purdyi Elizabeth Wright 1922-4-1 s.n. Napa Near Calistoga Comment
  RSA17439  Fritillaria purdyi Elmer I. Applegate 1932-4-4 7038 Napa Palasades, Mayacama Range, north of Calistoga Comment
  UCD170295  Fritillaria purdyi Daniel Potter; Ninh Khuu, Kai Battenberg 2016-3-15 835 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devilhead Road. 456 Comment
  JEPS61953  Fritillaria recurva Mrs. Mary Van E. Ferguson 1919-4-13 Napa Atlas Mountain Comment
  UCD33568  Galium Beecher Crampton 1970-4-15 8559 Napa Napa County, north end of Capell Valley on Hwy. 128. Comment
  UCD48159  Galium andrewsii K. Carpenter; S. Cruz, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 11 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., top of hill. 548 Comment
  RSA293049  Galium andrewsii subsp. andrewsii Reino Alava, Lincoln Constance, R. Ornduff 1957-5-5 764 Napa Mt St Helena. Comment
  SEINET7073048  Galium aparine A. G. Vestal 1963-4-7 s.n. Napa Low flat about 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD27. Comment
  UCD117804  Galium aparine Eileen Hollett; Plant Biology 102 Collectors 2012-4-29 3 Napa Las Posadas State Experimental Forest. Along dirt road that goes northeast of fire station. In ditch on south side of road. 519 Comment
  UCD49245  Galium aparine E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 1 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., near jct with South Decker Canyon Rd. 182 Comment
  UC1196108  Galium californicum subsp. californicum Joseph P. Tracy 1899-7-3 425 Napa 3-4 mi e Angwin's (hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain 518 Comment
  UCD73055  Galium californicum subsp. californicum Ellen Dean; S. Rae 2008-5-21 4974 Napa Hills to the west of Hwy. 29. Private property accessed by Diamond Mountain Road. Canyon runnning east to west. 213 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
  UCR64599  Galium divaricatum J. T. Howell 1943-6-19 18237 Napa Hills west of Napa Valley between St. Helena and Mt. St. John 229 Comment
  UCD121757  Galium divaricatum John Thomas Howell 1943-6-19 18237 Napa West of Napa Valley between St. Helena and Mt. St. John. 228 Comment
  UCD41466  Galium murale Ellen Dean; Deborah Canington 2003-3-1 1363 Napa Napa County. Quail Ridge UC Reserve. Southern end of Lake Berryessa, first peninsula west of Monticello Dam. Along North Decker Canyon Road by running stream. 182 Comment
  UCSB9143  Galium nuttallii subsp. nuttallii Keator, Glenn 1959-3-28 Napa above Conn's Picnic Grounds, Lake Hennesey Area Comment
  POM196070  Galium nuttallii var. tenue L. F. Robbins 1926-3-26 s.n. Napa Putah Canyon. Comment
  UCD159922  Galium porrigens Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Q43 - 2. 243 Comment
  JEPS52755  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1963-5-26 3780 B Napa n St. Helena (junction of road to Angwin and road to Sanitarium) Comment
  CDA14220  Garrya congdonii G. F. Hrusa 1997-2-3 13617 Napa North Coast Biodiversity Arena; margin of Lake Hennessey, across from 2nd major canyon upstream from Conn Dam ~ 1/2 mi. Comment
  UCD170668  Garrya congdonii 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. 158 Comment
  UCD48040  Garrya congdonii R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 10 Napa Northern Napa County, McLaughlin Reserve, first ridge south of Knoxville-Berryessa Road, on Devilhead Road. 487 Comment
  JEPS126068  Garrya elliptica Jake Ruygt 2005-3-26 4713 Napa Skyline Park, Manzanita Trail. Mount George 7.5' Quad. Comment
  UC1280974  Garrya fremontii H. E. McMinn 1936-4-4 4380 Napa 3 mi s Angwin; Howell Mt. Comment
  CAS-BOT-BC278656  Gastridium phleoides Peter H. Raven 1951-6-26 3083 Napa Cappell Valley 365 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
  JEPS61424  Geranium dissectum H. P. Chandler 1907-4-28 7553 Napa Santa Rosa to Calistoga Comment
  JEPS126066  Geranium molle Jake Ruygt 2005-3-28 4737 Napa Near Knoxville Wildlife Area. Knoxville 7.5' Quad. Comment
  UCD23412  Geranium molle Helen West 1977-4-16 1 Napa Purple flowers, 10 stamens (2 rows of 5), low lying plant. Collected in sunny meadow, surrounding vegetation was low, covering plants, soil parent material is shale. 6.3 miles southwest of Monticello Dam, off Hwy. 128, along road side. 182 Comment
  UCR92541  Geranium molle A. C. Sanders 1996-6-1 18195 Napa Napa, SE edge of town at Skyline Park, E end of Imola Road East. 91 Comment
  RSA523893  Gilia capitata Barbara Ertter, Annetta Carter 1989-5-28 8512 Napa Near Knoxville 2 miles SE of Lake Co. line on Berryessa Rd. 610 Comment
  JEPS69529  Gilia capitata subsp. capitata W. L. Jepson 1893-6-26 15073 Napa Howell Mtn. , Howell Mtn. (Napa River Basin) Comment
  UC1182818  Gilia capitata subsp. capitata A. R. Kruckeberg 1949-7-22 7702 Napa Comment
  UC146065  Gilia capitata subsp. capitata H. P. Chandler 1907-5-29 7592 Napa White Sulphur Spr. St. Helena, White Sulphur Spr. Comment
  UC932033  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1947-5-3 7964 Napa ca 2-3 mi from Knight's Valley (on w slope of Mt. St. Helena); w slope Mt. St. Helena, ca 2-3 mi from Knight's Valley Comment
  UCD169876  Gilia tricolor Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 717 Napa Knoxville Wildlife Area. 245 Comment
  SEINET5732137 Image available Gilia tricolor Linda Dodge 1974-1 13 Napa Wallace Hardin Ranch, 3.9 miles NE of Pope Canyon and Chiles Valley Road intersection. 183 Comment
  SEINET9288140  Gilia tricolor Unknown 1933-4-2 97 Napa Napa County Comment
  UCD117953  Gilia tricolor Everett H. Everson 1951-4-8 22 Napa 4.8 miles southwest of Monticello, beside road to Napa. Comment
  UC650504  Gilia tricolor subsp. tricolor Ira L. Wiggins 1928-3-25 2869 Napa roadside 1 1/2 mi ne Calistoga; ne of Calistoga Comment
  UCD48068  Gilia tricolor subsp. tricolor M. K. Voigt; E. Sweeney, and M. Miller 2002-4-13 3 Napa McLaughlin UC Reserve. SW of old town of Knoxville on N side of Knoxville-Berryessa Rd. 426 Comment
  JEPS106571  Githopsis diffusa subsp. robusta Jake Ruygt 1982-5-15 1252 Napa upper end of Soda Canyon 518 Comment
  JEPS18287  Githopsis specularioides Peter H. Raven 1957-5-5 10762 Napa w edge Calistoga 182 Comment
  CHSC102525  Glinus lotoides Lowell 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 miles (air) west of Winters.F 133 Comment
  JEPS115774  Glinus lotoides Lowell 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 miles (air) west of 133 Comment
  CDA5877  Gnaphalium californicum R. Lawley 1958-4-11 Napa St. Helena Highway. 0 Comment
  UCD121180  Gnaphalium palustre Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7359 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Ridge to the north of Recreation Flat area along undeveloped road. 405 Comment
  JEPS1961 Image available Godetia amoena var. concolor W. L. Jepson 1893-5-2 13337 Napa New Pope Valley grade from Calistoga; Napa River Basin Comment
  CAS-BOT-BC304888  Grindelia hirsutula Peter H. Raven 1951-9-9 3902 Napa Slaughterhouse Point, Napa River 0 Comment
  CAS-BOT-BC304892  Grindelia hirsutula John Thomas Howell 1929-6-30 4313 Napa 5 mile s. of Calistoga on highway to St. Helena, Napa Valley Comment
  CAS-BOT-BC304908  Grindelia hirsutula John Thomas Howell 1930-7-13 5346 Napa Mt. St. Helena Comment
  JEPS41923  Grindelia hirsutula Alice King 1919-7-1 Napa Van Ness Ranch; Mt. St. Helena, Van Ness Ranch Comment
  JEPS41928  Grindelia hirsutula Willis L. Jepson 1894-7-19 Napa upper Napa Valle; Napa Valley Comment
  RSA128656  Grindelia hirsutula Peter H. Raven 1951-6-26 3040 Napa E of Napa on Monticello Rd. 61 Comment
  RSA430116  Guillenia flavescens Robert M. Specht 1977-4-13 649 Napa Plants of the Ukiah District. 524 Comment
  UC160978  Guillenia lasiophylla Joseph P. Tracy 1902-5-16 1500 1/2 Napa 3 to 4 mi e Angwin's (on hills at Head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 365 Comment
  OBI21959  Hainardia cylindrica S. Galen SMith, J. Anderson 1957-6-7 2958 Napa Myrtledale Hot Srpings 1.5 mi NW of Calistoga 122 Comment
  UCD167164  Harmonia hallii Jake Ruygt 2015-4-20 6069 Napa Fernandes/ Land Trust, Snell Peak area. 372 Comment
  CAS-BOT-BC302230  Harmonia nutans Brandegee 1889-4-1 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC302231  Harmonia nutans Alice Eastwood 1915-6-6 4664 Napa Mt. St. Helena Comment
  CAS-BOT-BC302243  Harmonia nutans David D. Keck 1931-4-4 1088 Napa The Crater Country, 3 miles SE. from summit of Mt. St. Helena. Northwestern Napa County 950 Comment
  CAS-BOT-BC302244  Harmonia nutans David D. Keck 1931-4-4 1088 Napa The Crater Country, 3 miles SE. from summit of Mt. St. Helena, northern Napa County 950 Comment
  JEPS101339  Harmonia nutans Dean W. Taylor 1998-6-3 16452 Napa Bateman Creek 0.3 miles S Twin Peaks Mine 624 Comment
  UC1731339  Harmonia nutans Dean W. Taylor 1998-6-23 16695 Napa Swartz Canyon North Coast Ranges, Mayacamas Mountains (headwaters, s flanks of Twin Peaks, (ca. 5 air mi w <of> Aetna Springs) 716 Comment
  JEPS122687  Hedypnois rhagadioloides Jake Ruygt 1984-3-28 1514 Napa West end of North Whitehall Lane. Quad: Rutherford. 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
  UCD20722  Helenium bigelovii Mark Bibbo; w/ Laura Wynholds 2002-7-20 57 Napa McLaughlin UC Reserve. Hunting Creek campground where Hunting Creek Rd. crosses Hunting Creek. 50 yards downstream of campground. 335 Comment
  CDA34654  Helenium puberulum L. Ahart 2009-10-12 16423 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
  CHSC102532  Helenium puberulum Lowell Ahart 2009-10-27 16479 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 souththe causeway, on the south side of Berryessa Knoxville Road, about 20 miles (air) northwest of Winters. 130 Comment
  JEPS106682  Helenium puberulum Jake Ruygt 1979-10-22 426 Napa .3 miles north of Airport Rd. along Sheehy Creek 4 Comment
  RSA769211  Helenium puberulum L. Ahart 2009-10-12 16423 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
  UC1301032  Helianthella californica subsp. californica Helen K. Sharsmith 1962-6-3 5112 Napa w slope of mtn near Angwin; Mount Howell 487 Comment
  JEPS35463  Helianthus bolanderi W. L. Jepson 1938-9-24 19018 Napa Canyon of James Creek Pope Valley, Canyon of James Creek 304 Comment
  JEPS115746  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 Winte 133 Comment
  UCD170570  Helianthus exilis Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 825 Napa Knoxville Wildlife Area, north of Nevada Creek. 461 Comment
  UCD119430  Heliotropium curassavicum var. oculatum Eric S. Nagy 1990-4-29 004 Napa NW shore of Lake Berryessa, Berryessa Knoxville Road mile marker 16.25. Comment
  UCD74368  Heliotropium curassavicum var. oculatum Jake Ruygt 1991-6-29 2762 Napa 3.2 miles north of Pope Canyon Rd. on Berryessa-Knoxville Rd. 121 Comment
  JEPS115740  Heliotropium europaeum Lowell 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 Winte 437 Comment
  RSA769186  Heliotropium europaeum L. Ahart 2009-10-12 16433 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
  CHSC102262  Helminthotheca echioides Lowell Ahart 2009-10-27 16481 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
  CHSC102527  Helminthotheca echioides Lowell Ahart 2009-10-12 16427 Napa Below the high water line of Lake Berryessa, 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.F 133 Comment
  CAS-BOT-BC306149  Hemizonia congesta subsp. clevelandii Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  JEPS12594  Hemizonia congesta subsp. clevelandii Willis L. Jepson 1893-9-25 Napa La Lomita Napa River Basin Comment
  UCD161733  Hemizonia congesta subsp. congesta Jake Ruygt 2008-8-9 5364 Napa Big Ranch Road, south of El Centro Avenue, Van Winden property. 17 Comment
  JEPS106664  Hemizonia congesta subsp. lutescens Jake Ruygt 1996-9-7 3782 Napa Green Island Road about 1/2 mile from end of road. 2 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
  UC175022  Hemizonia congesta subsp. luzulifolia Katharine Brandegee Napa near Angwin Comment
  UCD169870  Hemizonia congesta subsp. luzulifolia Daniel Potter; Ninh Khuu, Igor Jacarini 2015-5-30 805 Napa Knoxville Wildlife Area. Upper Zim Zim Ceek drainage. 432 Comment
  UC194222  Hemizonia congesta subsp. luzulifolia H. M. Hall 1916-8-6 10261 Napa 7 km s Napa Comment
  POM298277  Hemizonia parryi subsp. parryi D. D. Keck, Jens Clausen 1933-11-10 2715 Napa Calistoga, 2 miles N of center of town at the geysers. Comment
  UCD161401  Heracleum maximum Jake Ruygt 1979-4-9 495 Napa NE corner of Trefethen Vineyards, Dry Creek. (Coordinates estimated by label maker at UC Davis). 22 Comment
  CAS-BOT-BC388501  Herniaria hirsuta var. cinerea Peter H. Raven 1951-6-10 2911 Napa Crater Region e. of Mt. St. Helena 762 Comment
  UC517967  Hesperevax sparsiflora var. sparsiflora John Thomas Howell 1931-4-19 6439 Napa Conn Valley Comment
  JEPS29503  Hesperevax sparsiflora var. sparsiflora Willis L. Jepson 1893-5-8 Napa below New Eden; Howell Mt. Comment
  SJSU138  Hesperocyparis sargentii Emily D. Smith 1934-8-25 Napa near head of St. Helena Creek c. 8 mi S of Middletown on road between Middletown & Calistoga Comment
  UCD63751  Hesperocyparis sargentii 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. 580 Comment
  JEPS112581  Hesperolinon Jake Ruygt 1984-5-19 1558 Napa Cedar Roughs 633 Comment
Read comments
Jan 2 2011
  LA47294  Hesperolinon bicarpellatum Helen Sharsmith; Napa ridge between Butts Canyon and Pope Valley on tributary of Pope Creek 274 Comment
  UC1212361  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4143 Napa ca 1 mi w Aetna Springs (near Aetna Mine); Inner North Coast Ranges 304 Comment
  UCD167346  Hesperolinon bicarpellatum Jake Ruygt 1995-6-17 3499 Napa Southeast corner of Butts Canyon Road at Snell Valley Road. 225 Comment
  UCD167347  Hesperolinon bicarpellatum Jake Ruygt 2009-5-16 5406 Napa Aetna Springs Road about 1/2 mile east of Aetna Springs resort. 301 Comment
  CAS-BOT-BC176012  Hesperolinon californicum Freed W. Hoffman 1947-6-18 1650 Napa Pope Valley road Comment
  JEPS122836  Hesperolinon californicum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-18 229 Napa At end of Barnett Road off of Pope Valley Road. Comment
  JEPS122842  Hesperolinon californicum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-17 219 Napa Along Pope Valley Road. Comment
  JEPS122877  Hesperolinon californicum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 618 Napa Lunch meadow site at McLaughlin Reserve Comment
  SD51666  Hesperolinon californicum Helen K. Sharsmith 1952-6-20 4146 Napa Near Pope Creek at its outlet from Pope Valley. 152 Comment
  UC1212522  Hesperolinon californicum Helen K. Sharsmith 1951-10-21 4039 Napa w side near creek Chiles Valley (road from Rutherford to Pope Valley); Inner North Coast Ranges 228 Comment
  UC1601241  Hesperolinon californicum Helen K. Sharsmith 1958-10-16 4617 Napa road from Rutherford to Monticello (w side of valley); Inner North Coast Ranges, Chiles Valley 243 Comment
  CAS-BOT-BC176055  Hesperolinon clevelandii Helen K. Sharsmith 1952-5-18 4082 Napa 0.5 mile north of Aetna Springs below Aetna Mine 304 Comment
  JEPS112588  Hesperolinon clevelandii Jake Ruygt 1982-5-15 1257 Napa Soda Canyon, west of the steep grade 426 Comment
  UC1212330  Hesperolinon clevelandii Helen K. Sharsmith 1957-5-30 4597 Napa 1.1 mi beyond town of Pope Valley (on road to St. Helena); Inner North Coast Ranges, Howell Mountain 304 Comment
  UC1601234  Hesperolinon clevelandii Helen K. Sharsmith 1958-11-2 4645 Napa one mi beyond Aetna Springs (w of mine road, ca 5 mi beyond town of Pope Valley); Inner North Coast Ranges 304 Comment
  UCD164732  Hesperolinon clevelandii Jake Ruygt 2014-6-14 6002 Napa Ranch near Oat Hill. 619 Comment
  CAS-BOT-BC176053  Hesperolinon clevelandii Alice Eastwood 1923-5-9 11739 Napa Hills above Calistoga Comment
  CAS-BOT-BC176054  Hesperolinon clevelandii John Thomas Howell 1933-6-4 11388 Napa Hills east of Napa Comment
  UCD167295  Hesperolinon clevelandii Jake Ruygt 2007-5-26 5193 Napa Duff Ranch; northeast side of High Point. 768 Comment
  JEPS112586  Hesperolinon disjunctum Jake Ruygt 1988-5-29 2197 Napa Cedar Valley 603 Comment
  OBI22869  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4147 Napa Inner North Coast Ranges. About one mi E of spur rd to Samuels Springs, S facing slope above Pope Crk, Pope Valley-Monticello rd 122 Comment
  SD51662  Hesperolinon disjunctum Helen K. Sharsmith 1952-6-20 4148 Napa Directly east of Knoxville. 395 Comment
  CDA30785  Hesperolinon drymarioides V. Popescu, D. Woods 2010-6-28 s.n. Napa North Coast Ranges; Knoxville-Devilhead Rd. 448 Comment
  UCD110556  Hesperolinon micranthum Helen K. Sharsmith 1952-5-31 4107 Napa Above Sage Creek 0.8 miles south of Chiles Valley. 304 Comment
  RSA355182  Hesperolinon micranthum L. F. LaPre 1985-6-8 s.n. Napa Rare Plant Canyon,'' a tributary of Hunting Creek from the east, 2 mi. SW of the site of Knoxville, just E of the Lake Co. line. 366 Comment
  UC1212259  Hesperolinon micranthum Helen K. Sharsmith 1952-5-31 4105 Napa s side Conn Dam (on slopes of canyon); Inner North Coast Ranges, Sage Canyon 76 Comment
  UC1212278  Hesperolinon micranthum Helen K. Sharsmith 1958-11-2 4642 a Napa on branch road of Hwy 128 just above Soda Creek (6.4 mi beyond junction of Hwy 37 with 128 Locality for HKS 4073); Inner North Coast Ranges, Cappell Valley 198 Comment
  UC1212410  Hesperolinon micranthum Helen K. Sharsmith 1957-5-30 4592 Napa 2.2 mi beyond jct Wooden Valley road (on road between Wooden Valley and Cappell Valley, Highway 37); Inner North Coast Ranges 259 Comment
  JEPS122792  Hesperolinon sharsmithiae Jake Ruygt 2009-6-8 5426 Napa About 2 miles south of Lake Hennessey, boat ramp on private road (Continuum W.). QUAD: Yountville. Comment
  JEPS127877  Hesperolinon sharsmithiae Adam C. Schneider with Dick O'Donnell 2013-5-26 206 Napa Aetna Springs Road, 1.4 miles west of Pope Valley Road. Comment
  UCD167350  Hesperolinon spergulinum Jake Ruygt 2007-5-26 5198 Napa Duff Ranch, south side of Grassy Hill. 707 Comment
  UC168967  Heterocodon rariflorum Joseph P. Tracy 1905-7-6 2226 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, Moore's Creek 365 Comment
  CAS-BOT-BC143746  Heteromeles arbutifolia James L. Reveal 1987-6-7 6393 Napa Vaca Mountains, along the Gates Canyon Road, 2 miles west of Pleasant Valley Road; about 5.5 miles west-northwest of Vacaville 182 Comment
  UCD159954  Heteromeles arbutifolia Alice Warrick 2007-4 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Top of east slope, above Q48. 243 Comment
  JEPS2436  Heterotheca oregona var. rudis W. L. Jepson 1922-10-22 9833 Napa St. Helena, bed of White Sulphur Creek White Sulphur Creek Comment
  RSA785239  Heterotheca oregona var. rudis J. C. Semple, S. Heard 1986-8-20 8567 Napa Just N of Calistoga on CA-29; 15.3 km SW of Lake County line. Garnett Creek. Comment
  UC177051  Heterotheca oregona var. rudis B. 1888-8-1 Napa St. Helena 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
  UC16290  Hoita macrostachya unknown Aug 1862 1322 Napa Rag Canyon; dry creek bed Comment
  JEPS65642  Hoita orbicularis Willis L. Jepson 1893-6-26 13589 Napa Angwin's Meadows Napa River Basin, Howell Mt. Comment
  CAS-BOT-BC280701  Holcus lanatus Betty H. Johnson 1958-6-20 672 Napa About 1/2 mile above Mt. Mill House, 6.4 miles SW of Middletown Comment
  CAS-BOT-BC324653  Holocarpha virgata John Thomas Howell 1930-10-19 5609 Napa 2 miles southeast of Aetna Springs, Pope Valley Comment
  JEPS106640  Holocarpha virgata Jake Ruygt 1986-7-13 1879 Napa SW of Buchli Station Rd. near county line 1 Comment
  UC1925923  Holocarpha virgata Ethel Crum Oct 1930 914 Napa Pope Valley. Comment
  UCD164825  Holocarpha virgata subsp. virgata Jake Ruygt 2012-8-25 5877 -z Napa South of Spanish Valley. 350 Comment
  UCD113346  Holodiscus discolor Beecher Crampton 1965-6-17 7424 Napa Napa county line, Vaca mountains, ridge of Mt. Vaca. 859 Comment
  JEPS106641  Holozonia filipes Jake Ruygt 1982-6-21 1334 Napa Suscol plain 4 Comment
  CAS-BOT-BC315790  Holozonia filipes Edward Lee Greene 1881-10-1 s.n. Napa Napa Valley, near Calistoga 90 Comment
  CAS-BOT-BC315791  Holozonia filipes Edward Lee Greene 1883-10-1 s.n. Napa Napa Valley Comment
  CAS-BOT-BC280879  Hordeum brachyantherum subsp. brachyantherum Peter H. Raven 1950-4-15 1702 Napa Napa 9 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
  UCD120915  Hordeum marinum subsp. gussoneanum Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-4-29 7336 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Near entrance gate, west of fire station buildings. 521 Comment
  CAS-BOT-BC284761  Hordeum murinum subsp. glaucum Peter H. Raven 1950-4-15 1704 A Napa Napa Comment
  JEPS104542  Hydrocotyle ranunculoides Jake Ruygt 1981-3-29 959 Napa near P.G.and E substation, Suscol ridge 24 Comment
  RSA97626  Hypericum androsaemum P. H. Raven 1950-6-27 2436 S Napa N. side of Lake Van Norden. Comment
  UC127127  Hypericum concinnum Harley P. Chandler Sep 7 1906-Sep 14 1906 7106 Napa Howell Mt., Alta Loma Ranch 487 Comment
  UCR220100  Hypericum concinnum Ayzik Solomeshch 2007-5-30 s.n. Napa North Coast range, Brend-Morgan property, c. 3 miles northeast of city of Napa 215 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
  HSC103603  Hypericum concinnum Thomas W. Nelson, Jane Nelson 1985-5-26 7810 Napa Along Aetna Springs Rd., opposite entrance road to Aetna Mine at mile post 1.75. Comment
  CAS-BOT-BC312893  Hypochaeris glabra John H. Thomas 1955-5-21 5177 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena 274 Comment
  JEPS106646  Hypochaeris glabra Jake Ruygt 1990-4-1 2453 Napa White Creek, Wild Horse Valley Ranch 402 Comment
  UCD159907  Hypochaeris glabra Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. West section. 243 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
  CAS-BOT-BC312894  Hypochaeris glabra Peter H. Raven 1952-6-28 4200 Napa Hennessey Lake 121 Comment
  UCD149582  Hypochaeris radicata 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
  UCD159530  Hypochaeris radicata D. S. Park 2011-4-11 278 Napa Off Redwood Rd. Residential district. 48 Comment
  UCD160737  Hypochaeris radicata Ellen Dean 2015-5-23 8789 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. 231 Comment
  POM145272  Iris Simonds 1928-05 s.n. Napa Browns Valley. 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
  SBBG115424  Iris fernaldii J. Good 1998-5-2 3 Napa St Hwy 128, 3 mi W of Monticello dam, just past Markley Cove 146 Comment
  SEINET4170694  Iris fernaldii Unknown 1966-5-7 Napa St. Hwy 128, 15 mi. NW of Rutherford. 152 Comment
  JEPS126061  Iris longipetala Jake Ruygt 2009-5-22 5411 Napa American Canyon, across road from quarry. Cordelia 7.5' Quad. Comment
  JEPS126070  Iris longipetala Jake Ruygt 1999-4-24 4138 Napa Sugarloaf State Park, N of Bald Mountain McCormick Ranch Area. Kenwood 7.5' Quad. Comment
  JEPS85051  Iris macrosiphon Larry Heckard and Mary Ashton 1969-5-3 2207 Napa ca 7 mi ne Napa (Mead Ranch, off the Atlas Peak Rd) 457 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
  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
  UC1751075  Isoetes orcuttii Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2761 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  UC484303  Juglans californica var. hindsii Carl B. Wolf 1930-11-3 1801 Napa above Wooden Valley; Napa Range, Munson Ranch 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
  JEPS126035  Juglans hindsii Jake Ruygt 1995-5-15 3478 Napa Mt. Veeder Road south of Lokoya, Francis can Estate. Sonoma 7.5' Quad. Comment
  RSA7626  Juglans hindsii Carl B. Wolf 1933-9-28 5514 Napa Spully Ranch at head of Gordan Valley, below Lake Curry Dam 152 Comment
  UCD13101  Juglans hindsii Stephanie Perez 1974-4-26 21 Napa NAPA CO. Silverado Trail N. Approx 1/2 mi N of intersection with Deer Park Rd. Elevation 500'. 152 Comment
  CDA39575  Juglans hindsii T. C. Fuller, Q. L. Holdeman 1971-11-2 19938 Napa Above end of Circle Oaks Dr., just north of marker 121 NAP 18.40, Monticello Road, ca. 9 miles northeast of Napa. 0 Comment
  JEPS126037  Juncus balticus Jake Ruygt 1980-4-12 831 Napa Edgerley Island. Cuttings Wharf 7.5' Quad. Comment
  UCD18082  Juncus balticus Ellen Dean; with PLB 102 class 2000-4-22 637 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
  JEPS122671  Juncus bufonius Jake Ruygt 1991-6-21 2730 Napa Hunting Creek Road about 1/2 way from Devilshead Road. Quad: Knoxville. Comment
  UC1601693  Juncus bufonius W. L. Jepson 1896-1 Napa near St. Helena; Napa Valley Comment
  JEPS122670  Juncus bufonius var. bufonius Jake Ruygt 1992-5-15 2961 Napa Meadow north of the Polo Field, Wild Horse Valley Ranch. Quad: Mt. George. Comment
  UCD147468  Juncus bufonius var. bufonius Ellen Dean; Diana Hickson 2014-4-29 8081 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 Comment
  UCD19914  Juncus effusus E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 770 Napa Quail Ridge Reserve. SW corner of Lake Beryessa, along South Decker Canyon Road, S of junction with Cut-off Road. Near hair-pin turn in trail by bathtub, stove, etc. 243 Comment
  JEPS76128  Juncus effusus subsp. pacificus W. L. Jepson 1938-10-1 19048 Napa e slope Mt. St. Helena (just beyond pass, Molly Patton Inn) Comment
  UC127473  Juncus effusus var. pacificus Harley P. Chandler Sep 7 1906-Sep 14 1906 7103 Napa Alta Loma Ranch Howell Mountain 487 Comment
  JEPS122660  Juncus kelloggii Jake Ruygt 1998-6-20 4041 Napa On Palisades trail from RLSSP, east of Table Rock. Quad: Detert Reservoir. Comment
  UCD166703  Juncus kelloggii Jake Ruygt 10 Apr1992 2905 Napa southwest of Leoma Lakes, Wild Horse Valley Ranch. 423 Comment
  UC1601770  Juncus occidentalis J. Burtt Davy 1894-9-29 740 Napa Calistoga Comment
  UCD95686  Juncus occidentalis Ellen Dean; with Clare Loughran 2011-5-20 7031 Napa On the border of Sonoma County. Private property at 4028 Spring Mountain Road. West of the town of St. Helena. 609 Comment
  RSA517032  Juncus occidentalis W. L. Jepson 1936-6-1 17579 Napa West side of Four Corners, Howell Mt., Napa Range. Comment
  RSA368101  Juncus oxymeris Robert Gustafson, Don Reynolds 1983-6-7 2734 Napa Butts Canyon Road, about 2 miles north of the Jct. with Aetna Springs Rd. Comment
  JEPS75645  Juncus patens W. L. Jepson 1936-6-1 17577 Napa w side Four Corners; Napa Range, Howell Mt. Comment
  UCD20744  Juncus patens Ellen Dean; w/ Mark Bibbo 2002-6-17 1105 Napa Quail Ridge UC Reserve. SE corner of Lake Berryessa, just W of Monticello Dam. Along North Decker Canyon Rd., close to South Decker Canyon Rd. Along drainage that follows road. 182 Comment
  JEPS122666  Juncus phaeocephalus var. paniculatus Jake Ruygt 1996-6-1 3732 Napa Highway 128 about 3/4 mile north of Turtle Rock Cafe. Quad: Chiles Valley. Comment
  JEPS122668  Juncus xiphioides Jake Ruygt 1996-6-3 3741 Napa Jamieson Vineyards near South Kelly Road. Quad: Cordelia. Comment
  CAS-BOT-BC235866  Keckiella corymbosa Peter H. Raven 1953-5-2 5400 Napa Summit of hill due e. of Yountville 304 Comment
  JEPS128872  Keckiella corymbosa Jake Ruygt 1999-7-17 4206 Napa Mount Saint Helena fire road. Detert Reservoir 7.5' Quad. Comment
  SBBG6948  Keckiella corymbosa J. M. Tucker 1941-9-20 399 Napa between Monticello and Pope Valley Comment
  UC421576  Keckiella lemmonii John Thomas Howell 1929-8-4 4356 Napa 1 mi below Samuels Springs; Napa Range, Pope Creek Canyon Comment
  UCD123773  Keckiella lemmonii H. Popenoe 1949-6-4 33 Napa 11.5 miles from Winters, on road to Monticello. Comment
  CHSC102284  Kickxia elatine Lowell Ahart 2009-10-12 16450 Napa Below the high water line of Lake Berryessa, along Capelll 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
  JEPS122912  Koeleria macrantha Jake Ruygt 2000-5-15 4250 Napa Henry Road, on old Henry Ranch. Quad: Napa. Comment
  JEPS76081  Koeleria macrantha W. L. Jepson 1938-5-20 18808 Napa above St. Helena Sanitarium Howell Mountain (above vineyard of John Ballentine); , above St. Helena Sanitarium Comment
  UCD169865  Koeleria macrantha Daniel Potter; Peter Lash 2015-4-26 800 Napa Knoxville Wildlife Area. Upper Zim Zim Creek drainage. 444 Comment
  UCD37404  Koeleria macrantha Beecher Crampton 1960-5-17 5532 Napa 5 miles east of Rutherford, southern slopes of Conn Reservoir, along State Highway 128. Comment
  CAS-BOT-BC340500  Lactuca serriola J. H. Thomas 1960-8-29 8838 Napa About 1 mile north of Calistoga along highway number 53 Comment
  CDA18932  Lactuca virosa Butler, Dannenberg 2000-8-1 PDR 023555 Napa Napa Valley; Along Langtree Road, St. Helena. 0 Comment
  NY180446  Lagophylla dichotoma subsp. minor D. D. Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just south of Walters Spring Comment
Read comments
Nov 25 2013
  JEPS129021  Lagophylla minor Jake Ruygt 2016-5-7 6233 Napa Smittle Creek west side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UC668199  Lagophylla minor Joseph P. Tracy 1938-6-5 15825 Napa on hills at head Moore's Creek (5 mi e of Angwin's); Howell Mountain 365 Comment
  CAS-BOT-BC123305  Lagophylla minor David Daniels Keck 1933-5-29 2338 Napa Bridge over Pope Creek, just S of Walters Spring. Comment
  CAS-BOT-BC341422  Lagophylla minor J. Clausen 1935-5-22 1069 Napa 1 mile east of Chiles Valley Store Comment
  JEPS39001  Lagophylla minor Willis L. Jepson 1894-5-1 Napa mouth of Conn Valley Napa Valley River Basin, Conn Valley Comment
  SEINET879048 Image available Lagophylla minor D. D. Keck 1933-1 2338 Napa Bridge over Pope Creek, just south of Walters spring. 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
  UCD18035  Lamium amplexicaule Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 586 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
  CAS-BOT-BC338269  Lasthenia californica Alice Eastwood 1918-5-2 6880 Napa Calistoga Comment
  RSA113971  Lasthenia californica Peter H. Raven 1957-5-5 10739 Napa Hot spring, Calistoga. Comment
  RSA639491  Lasthenia californica Kay Wilder 1977-4-24 23 Napa Along Pope Canyon Road, 15.6 miles N of Knoxville junction. 385 Comment
  JEPS106674  Lasthenia conjugens Jake Ruygt 1979-4-19 526 Napa Suscol Hill east of HWY 29 (221) 28 Comment
  CAS-BOT-BC355482  Lasthenia glaberrima Joseph P. Tracy 1903-5-18 1869 Napa Napa Valley, near Calistoga 90 Comment
  RSA51265  Lasthenia glaberrima Peter H. Raven 1950-5-6 2004 Napa Near geysers and hot springs near Calistoga airfield, Calistoga. 46 Comment
  UCD118396  Lasthenia gracilis Rachael Olliff; 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. 406 Comment
  UCD133827  Lasthenia gracilis R. W. Thorp 1967-3-9 670309 B Napa 3 miles south of Napa. Comment
  UCD75721  Lathyrus hirsutus Jake Ruygt 1992-5-18 2982 Napa Yountville Ecological Reserve, Yountville Cross Rd. 27 Comment
  UC81786  Lathyrus jepsonii var. jepsonii Michener and Bioletti 1892-8-15 Napa Draw Bridge Napa River Comment
  JEPS107267  Lathyrus latifolius Jake Ruygt 1976-5-14 83 Napa 3.3 miles west of Mt. Veeder on Redwood Rd. 286 Comment
  JEPS55293  Lathyrus torreyi W. L. Jepson 1897-5-2 13626 Napa sw of Calistoga (Rebecca Ranch grade); Hood Peak Range, Upper Napa Valley Comment
  UCD168571  Lathyrus vestitus Stephen P. Rae; A. Solomeshch 2007-3-19 s.n. Napa Lieff property east of Rutherford, 40 Auberge Road above Rutherford Hill Road, just north of the intersection of Silverado Trail and Highway 128. 165 Comment
  POM29623  Lathyrus vestitus subsp. vestitus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  CAS-BOT-BC323188  Layia chrysanthemoides John Thomas Howell 1931-4-3 6145 Napa North end of Pope Valley, Napa Range. Comment
  CAS-BOT-BC323192  Layia chrysanthemoides David D. Keck 1931-4-2 1045 Napa 4 miles S of Monticello, eastern Napa County. Comment
  UC913072  Layia chrysanthemoides David D. Keck 1931-4-2 1045 Napa 4 mi s Monticello (eastern Napa County) Comment
  CAS-BOT-BC321716  Layia gaillardioides David D. Keck 1933-5-29 2373 Napa 1.3 miles S of Knoxville Comment
  SEINET7042785  Layia platyglossa A. G. Vestal 1962-4-12 s.n. Napa Butts Canyon Road , 8.3 miles southeast of Route 53. Butts Canyon. Aetna Springs quadrangle UTM Zone 10, 547380mE, 4283517mN. Comment
  CAS-BOT-BC295369  Layia septentrionalis R. C. Wenk; E. S. Wenk 2006-4-30 439 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
  JEPS129072  Layia septentrionalis Jake Ruygt 2016-4-2 6172 e Napa Smittle Creek, west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  JEPS39206  Layia septentrionalis Willis L. Jepson 1893-5-1 Napa Pope Valley grade from Calistoga; Napa River Basin Comment
  JEPS40030  Layia septentrionalis Willis L. Jepson 1893-5-2 Napa grade to Pope Valley from Calistoga; Palisades Comment
  JEPS106576  Legenere limosa Jake Ruygt 1983-5-13 1460 Napa Suscol Ridge west of HWY 221 27 Comment
  RSA537691  Lemna minuta L. R. Heckard 1964-5-23 1362 Napa Cleary Reserve (Nature Conservancy), which is about 2 miles southwest of Aetna Springs 366 Comment
  JEPS122751  Leontodon saxatilis subsp. saxatilis Jake Ruygt 2011-6-18 5802 Napa Silverado Trail, 0.3 mi north of Pope Street, St. Helena. Quad: St. Helena. Comment
  CAS-BOT-BC215769  Lepechinia calycina W. L. Jepson 1891-6-1 s.n. Napa In the Vaca Mts. Comment
  JEPS110793  Lepechinia calycina Jake Ruygt 1989-6-3 2362 Napa about 1 mile south of Monticello Dam on Vaca Mtns. 402 Comment
  UCD19935  Lepechinia calycina E. A. Dean; J Bradford, K. Mawdsley, and L Wynholds 2001-7-13 793 Napa Quail Ridge Reserve. Slough on N side of Decker Bay trail, in a dried inlet of Lake Beryessa. 128 Comment
  CAS-BOT-BC88681  Lepidium acutidens John Thomas Howell 1926-3-27 1758 Napa Myrtledale Hot Springs near Calistoga. Comment
  CAS-BOT-BC12925  Lepidium strictum A. A. Heller; H. E. Brown 1902-4-25 5363 Napa Near Napa. Comment
  JEPS53740  Lepidium strictum Willis L. Jepson 1893-5-1 13361 Napa Calistoga Napa River Basin Comment
  RSA115540  Leptosiphon acicularis Beecher Crampton 1957-6-4 s.n. Napa Above Capell Creek, north end Capell Valley Comment
  CHSC42327  Leptosiphon androsaceus L. Constance 1938-4-22 2133 Napa Above Dry Creek 2 mi. W. of Yountville, Miyakma Mountains, North Coast Ranges. 457 Comment
  RSA137126  Leptosiphon androsaceus Verne Grant 1960-4-13 10189 Napa A few miles E. of Angwin on summit of road from St. Helena to Pope Valley. 518 Comment
  RSA468547  Leptosiphon androsaceus J. T. Howell 1931-4-19 6441 Napa Conn Valley. Comment
  OBI6321  Leptosiphon androsaceus Lewis S. Rose 1961-3-30 Napa 1 mi. n. of Conn Reservoir, Lake Hennessy. 152 Comment
  RSA195290  Leptosiphon androsaceus Gilbert Muth 1967-4-28 653 Napa Spring Mountain Road, St. Helena. Comment
  UCD118591  Leptosiphon androsaceus Lewis S. Rose 1961-3-30 61025 Napa 1 mile north of Conn Reservoir, Lake Hennessy. 152 Comment
  UCD49210  Leptosiphon bicolor K. Mogel; B. Pekin and M. Higley 2002-5-4 13 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; below the point at Quail Ridge at the jct of the lower and upper roads. 259 Comment
  UCD49216  Leptosiphon bicolor L. Wheeler; M. Bibbo, A. Koehmstedt, and T. Liebmann 2001-4-28 19 Napa Quail Ridge Reserve, SE corner of Lake Berryessa just W of Monticello Dam. E-facing slope on disturbed road cut at the top of South Decker Canyon Rd. just below jct with Decker Ridge Rd. 350 Comment
  UCD15043  Leptosiphon bicolor Helen West 1977-4-29 7 Napa California, Napa Co.; 6.3 miles southwest of Monticello Dam, off Road 128, in East Bull Canyon; Comment
  CAS-BOT-BC226720  Leptosiphon latisectus Alice Eastwood 1918-5-1 6851 Napa Mt. St. Helena Comment
  HSC17075  Leptosiphon parviflorus C. B. Wolf 1928-5-3 1792 Napa 5 mi. N of Calistoga, on Mt. St. Helena Grade Comment
  UC2042989  Leptosiphon parviflorus Barbara Ertter with Jake Ruygt 1996-4-25 14597 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley. Comment
  UCD121168  Leptosiphon parviflorus Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7353 Napa East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. NE Part of property. Recreation Flat area. Valley. 392 Comment
  JEPS106627  Lessingia ramulosa Jake Ruygt 1989-11-12 2420 Napa Wooden Valley, 1/4 mile north of elementary school 216 Comment
  JEPS20587  Lessingia ramulosa W. L. Jepson 1916-8-6 6829 Napa Howell Mt. Comment
  JEPS29587  Lewisia rediviva Rimo Bacigalupi, and L. Heckard, P. C. Silva 1962-4-16 8444 Napa 5 mi n along Atlas Peak road Vichy Springs junction (with Calif. 37) (1/4 mi n of junction with side road leading to Milliken Reservoir) 355 Comment
  SEINET7075535  Lewisia rediviva A. G. Vestal 1955-5-8 s.n. Napa Serpentine north of Knoxville. 38? deg. 50' 11" North Latitude, -122? deg. 20' 28" West Longitude. UTM Zone 10, 557185mE, 4298615mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  UCD48078  Lewisia rediviva D. Goldberg; K. Carpenter, S. Cruz, M. Ochoa, and K. Watts 2000-4-28 8 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd., ca. top of hill, south of path. 548 Comment
  CAS-BOT-BC444416  Lewisia rediviva Milo S. Baker 1926-5-1 168 C-Son Ser. Napa Mt St Helena - 1/2 mi. S.East Comment
  CAS-BOT-BC444417  Lewisia rediviva Milo S. Baker; Alice Griffin 1926-3-30 168 Son Ser. Napa The Crater, Mt St Helena Comment
  UC204945  Lewisia rediviva C. F. Sonne May 1896 Napa Hills Napa Soda Springs Soda Springs Comment
  UC7815  Lewisia rediviva Brewer 976 Napa Napa and Sonoma Comment
  JEPS89888  Lilaeopsis masonii Dean Wm. Taylor with Glenn L. Clifton 1990-5-30 10815 Napa Napa R. in Napa, ca. 150 meters downstream of Third St. bridge, on west bank. Comment
  UC619361  Lilaeopsis masonii Wilhelm N. Suksdorf 1913-7-24 630 Napa Comment
  JEPS48862  Limnanthes douglasii Elsa Kraeger 1926-3-27 Napa s Soscol Comment
  JEPS112542  Limnanthes douglasii subsp. douglasii Jake Ruygt 1995-4-19 3438 Napa 1.35 miles north of Coombsville Road on First Avenue 39 Comment
  SEINET6670525  Limnanthes douglasii subsp. nivea M. J. Williams 1967-5-7 s.n. Napa Pope Valley 198 Comment
  UC971839  Limnanthes douglasii subsp. nivea Stanley G. Smith 1948-4-25 498 Napa on Hwy 29 n Yountville Comment
  UCD116513  Limnanthes douglasii subsp. nivea D. C. Finfrock 1950-4-4 10 Napa along roadside of State Highway 29, north edge of Yountville. Comment
  CDA13212  Limnanthes floccosa subsp. floccosa G. F. Hrusa, M. J. Geitner 1996-4-2 12826 a Napa North Coast Biodiversity Arena; Summit of Palisades in Cub Valley. Monte Sol Ranch. Comment
  CDA10858  Linanthus androsaceus G. F. Hrusa, M. Rejmanek 1993-5-15 10953 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  JEPS110960  Linanthus androsaceus Jake Ruygt 1979-4-29 559 Napa .4 miles west of HWY 29 on Kortum Canyon Rd. 182 Comment
  JEPS58155  Linanthus androsaceus E. V. Ferguson 1920-5-15 352 Napa Howell Mt. Comment
  UC133860  Linanthus androsaceus Brannan 1870-1 Napa Comment
  UC146064  Linanthus androsaceus H. P. Chandler 1907-4-25 7539 Napa Chiles Valley Comment
  JEPS110966  Linanthus bicolor Jake Ruygt 1996-4-13 3611 Napa Snell Valley Road at Stagecoach Canyon Road 179 Comment
  JEPS111000  Linanthus bicolor Jake Ruygt 1976-4-23 16 Napa 1.9 miles NE of Silverado Trail on Deer Park Rd. 188 Comment
  JEPS58297  Linanthus ciliatus W. L. Jepson 1893-5-9 20909 Napa w of Rutherford; Napa Valley Comment
  UC23462  Linanthus ciliatus Willis L. Jepson 1893-5-9 Napa w of Rutherford; Napa River Basin Comment
  UC52757  Linanthus dichotomus J. P. Tracy 1899-6-14 431 Napa Howell Mt. Comment
  UCD118645  Linanthus dichotomus R. L. Smith 1948-5-7 s.n. Napa East branch of Monticello Valley, about 3 miles E of Samuel Springs. Comment
  JEPS58101  Linanthus jepsonii Willis L. Jepson 1893-5-2 20936 Napa near Calistoga; Napa River Basin Comment
  NY76910  Linanthus jepsonii C. Goodwillie 1995-5-11 1 Napa Wantrup Wildlife Sanctuary, on primary road 1.3 km west of Hardin Road, and 60 m. north of vernal pool Comment
  RSA0004837  Linanthus jepsonii C. Goodwillie 1995-5-11 001 Napa Wantrup Wildlife Sanctuary, on primary road 1.3 km west of Hardin Road, and 60 meters north of vernal pool on north-facing. 256 Comment
  JEPS110968  Linanthus parviflorus Jake Ruygt 1986-3-29 1672 Napa Blue Ridge above Toll Canyon 432 Comment
  JEPS110970  Linanthus parviflorus Jake Ruygt 1996-4-6 3556 Napa near ridgetop, south of Rector Dam. 146 Comment
  JEPS110971  Linanthus parviflorus Jake Ruygt 1978-5-21 338 Napa .4 miles east of Silverado Trail on Dutch Henry Canyon Rd 121 Comment
  JEPS110985  Linanthus parviflorus Jake Ruygt 1996-4-10 3576 Napa Soda Spring, White Cliff Springs 396 Comment
  JEPS37849  Lithocarpus densiflorus Willis L. Jepson 1903-9-6 2354 Napa York Creek Canyon Napa River Basin, St. Helena (St. Helena) Comment
  CAS-BOT-BC36061  Lithocarpus densiflorus var. densiflorus John Thomas Howell 1926-10-3 2209 Napa St. Helena Creek on emile below Patten's 609 Comment
  CAS-BOT-BC430622  Lithophragma affine Peter H. Raven 1953-4-2 5258 Napa hills e. of Imola 121 Comment
  JEPS110623  Lithophragma affine Jake Ruygt 1997-4-5 3824 Napa South of intersection of Butts Canyon Rd with James Creek Rd 207 Comment
  UCD49253  Lithophragma affine Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 17 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd., W of creekbed. 182 Comment
  UCD83725  Lithophragma affine Surene Foutouhi; with E. Dean, Yuan-Chun Han 2010-5-7 4 Napa Along Wooden Valley Road; East side of the road; Lamb Vineyard Property. 188 Comment
  JEPS112567  Lithophragma heterophyllum Jake Ruygt 1996-4-9 3567 Napa Wantrop Wildlife Sanctuary 493 Comment
  UCD73395  Lithophragma heterophyllum 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
  JEPS20933  Logfia filaginoides W. L. Jepson 1938-5-20 18806 Napa slope above Helena Sanitarium; Howell Mts. Comment
  UC796477  Logfia filaginoides Ira L. Wiggins 1949-4-30 12076 Napa along old toll road between Calistoga and Middletown (1.5 mi from Calistoga) Comment
  CDA11598  Lomatium californicum G. F. Hrusa, S. Larson 1995-4-1 12056 Napa North Coast Biodiversity Arena; Chiles-Pope Valley Rd., approx. 2 m. above Lake Hennessey. Comment
  JEPS16095  Lomatium californicum Willis L. Jepson 1894-4-30 14247 Napa range w. of and near Calistoga (grade to Rebecca Ranch); Napa River Basin Comment
  UCD149669  Lomatium californicum 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
  UC659028  Lomatium californicum Mildred E. Mathias 1937-5-23 1299 Napa 13 mi. s.e. Napa Co. Line (on Knoxville Rd.) Comment
  UCD149638  Lomatium caruifolium var. caruifolium 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
  UCD150868  Lomatium caruifolium var. caruifolium Robert E. Preston 1988-4-10 586 Napa ca. 0.6 mile ESE of the confluence of Putah and Hunting Creeks. 304 Comment
  UCD48425  Lomatium dasycarpum S. Murphy; K. Keck and K. Dyer 2002-5-5 11 Napa Quail Ridge UC Reserve, northern tip of ridge, along southern edge of upper road leading to power lines and tip parcels, north from the intersection of West and East roads ca. 450 m. 327 Comment
  UCR45089  Lomatium dasycarpum 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
  UCD54306  Lomatium dasycarpum C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 5 Napa McLaughlin Reserve, first ridge S of Knoxville-Berryessa Rd., along E-side of Devilhead Rd. 38 deg. 49' 11'' N; 122 deg. 21' 13'' W; 530 m. Comment
  HSC43961  Lomatium dasycarpum subsp. dasycarpum Robert M. Specht 1977-4-19 683 Napa Along drainage running NE from Adams Creek. Comment
  UC723788  Lomatium dasycarpum subsp. dasycarpum Joseph Andorfer Ewan 1934-4-30 8829 Napa near Samuel Springs above Monticello (Pope Valley Grade); Pope Valley Grade Comment
  JEPS81574  Lomatium dasycarpum subsp. dasycarpum R. Raiche 1982-3-7 20209 Napa on hill at n.e. side Detert Reservoir (on Butts Canyon Rd.) Comment
  JEPS14279 Image available Lomatium dasycarpum var. decorum W. L. Jepson 1896-6-2 14303 Napa Conn Valley Ridge Napa River Basin; Conn Valley Ridge, Napa Valley Basin Comment
  LA202888  Lomatium hooveri Mildred E. Mathias; 1937-5-23 1298 Napa 1.9 mi. SE of Napa-Lake County line on road to Knoxville Comment
  UC1197152  Lomatium marginatum var. purpureum J. P. Tracy 1899-6-13 413 Napa 3 - 4 mi. e. Angwin's (head of Moore's Creek, Howell Mt.); Howell Mt., Moore's Creek 365 Comment
  UC763126  Lomatium marginatum var. purpureum R. F. Hoover 1938-6-8 3537 Napa canyon of s. fork of Butts Creek Comment
  JEPS17528  Lomatium nudicaule Willis L. Jepson 1893-6-24 14316 Napa near Napa City (rd. to Napa Soda Springs, near Senator Miller's); Napa R. Basin Comment
  OBI8852  Lomatium nudicaule Willis L. Jepson 1893-6-14 14316 Napa Near Napa City; Road to Napa Soda Springs near Geualon Miller's Comment
  CAS-BOT-BC217801  Lomatium repostum Peter H. Raven 1951-6-10 2913 Napa Crater Regoin, E. of Mt. St. Helena 762 Comment
  UCD82606  Lomatium repostum Ellen Dean; T. Starbuck 2009-5-4 5544 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  CDA41074  Lomatium utriculatum G. F. Hrusa, J. Messina 1989-3-3 5873 Napa North Coast Biodiversity Arena; along Hwy 128 W of Monticello Dam (Lake Berryessa). Comment
  HSC44004  Lomatium utriculatum Robert M. Specht 1977-4-13 659 Napa 524 Comment
  JEPS104475  Lomatium utriculatum Jake Ruygt 1979-4-23 545 Napa 3.4 miles east of Silverado Trail on HWY 128 103 Comment
  UCD47867  Lomatium utriculatum R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 25 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  UC796660  Lomatium utriculatum Ira L. Wiggins 1949-4-30 12081 Napa 2 1/2 mi. above Calistoga (along old toll rd. to Middletown) Comment
  POM46741  Lonicera hispidula var. vacillans W. L. Jepson 1893-9-21 s.n. Napa Napa River Basin, Wooden Valley Grade. Comment
  UC28534  Lonicera interrupta Willis L. Jepson 1893-9-23 Napa Mt. St. Helena Napa River Basin 853 Comment
  UCR43198  Lotus humistratus L. F. LaPre 1986-5-25 s.n. Napa Inner North Coast Ranges, 'Rare Plant Canyon', a tributary to Hunting Creek from the east, 2 mi SW of the site of Knoxville, just east of Lake Co. line 366 Comment
  JEPS19439  Lotus micranthus Willis L. Jepson 1893-4-24 13787 Napa Howell Mt. grade Napa River Basin Comment
  JEPS65171  Lotus micranthus W. L. Jepson 1938-5-25 18855 Napa outside Bell Canyon Howell Mountain 579 Comment
  SEINET3694609 Image available Lotus micranthus W. L. Jepson 1893-4-24 13787 Napa Howell Mountain grade, E of town of St. Helena, Napa River Basin Comment
  JEPS126087  Lotus purshianus Jake Ruygt 1986-5-29 1795 Napa West side Mount George. Mount George 7.5' Qua. Comment
  JEPS107207  Lotus purshianus var. purshianus Jake Ruygt 1986-6-28 1845 Napa Mt. Millhouse Camp, Mt.St.Helena 505 Comment
  JEPS107205  Lotus scoparius var. scoparius Jake Ruygt 1976-5-14 85 Napa 2.8 miles west of HWY 29 on Oakville Grade 170 Comment
  UCD167263  Ludwigia palustris Jake Ruygt 1991-6-29 2749 Napa Fawn Lake, Friesen's Lakes, Angwin. 585 Comment
  UCD78330  Ludwigia peploides subsp. montevidensis B. J. Grewell 2005-9-14 05- 21 -LU Napa Lake Hennessey shoreline at Sage Creek overflow, s. of Hwy 128 and east of main lake body. 99 Comment
  JEPS122685  Lupinus affinis Jake Ruygt 2005-4-4 4741 Napa Mt St. Helena, Highway 29 at Old Toll Road. Quad: Detert Reservoir. 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-BC201550  Lupinus albifrons var. albifrons E. K. Balls 1952-5-8 8743 Napa 2.8 mi. W. from Calistoga on rd. to Santa Rosa, via. Petrified Forest Comment
  CAS-BOT-BC201551  Lupinus albifrons var. albifrons Charles Piper Smith 1948-6-3 48308 Napa Highway 29 - Hanleys, 1.9 miles south Comment
  JEPS107238  Lupinus albifrons var. collinus Jake Ruygt 1998-3-29 3901 Napa Suscol Ridge overlooking Jameson Canyon 140 Comment
  JEPS107230  Lupinus bicolor Jake Ruygt 1980-5-13 889 Napa Campbell Flat, Mt. St. John 316 Comment
  JEPS107236  Lupinus bicolor Jake Ruygt 1996-4-6 3557 Napa near southeast end of Rector Reservoir. 134 Comment
  UCD148792  Lupinus bicolor Ellen Dean; Diana Hickson 2014-4-29 8100 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 603 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
  UCD18166  Lupinus bicolor 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
  UCD81439  Lupinus bicolor M. Wiesendanger 1927-5-4 s.n. Napa Monticello. Comment
  UC126964  Lupinus bicolor Willis L. Jepson 1893-4-27 Napa Napa City; Napa River Basin, Napa City Comment
  UC1300888  Lupinus bicolor Helen K. Sharsmith 1963-4-20 5330 Napa off Kelly Road 4 mi s Napa; San Francisco Bay Region, s of Napa 45 Comment
  RSA264961  Lupinus bicolor subsp. umbellatus George E. Johnston 1974-4-4 10739 Napa The collection was made near Bell Canyon. Near Angwin. 427 Comment
  SEINET10490750  Lupinus formosus var. formosus Donald E. Bright 1962-6-9 Bright 264 Napa Roadside, 5 mi n of calistoga, along highway 29. Comment
  UC142911  Lupinus latifolius var. latifolius Katharine Brandegee 1910-5-18 Napa near the Toll House Mt. St. Helena; , near the Toll House Comment
  UCD70472  Lupinus microcarpus P. J. Plummer 1995-6-5 s.n. Napa W of city of Winters, off hwy 128. Rocky hillside. Herbs; flowers yellow. 73 Comment
  UCD108695  Lupinus microcarpus var. densiflorus Alan P. Godlewski 1974-5-3 s.n. Napa 5 miles West of Winters, approx. 100 yds from hiway 128. Comment
  JEPS65399  Lupinus nanus Willis L. Jepson 1893-4-26 20 t Napa near Yountville (La Lomita); Napa River Basin, , near Yountville Comment
  UC126975  Lupinus nanus Willis L. Jepson 1893-5-2 Napa near Palisades (ne<?> Pope Valley grade); Napa River Basin, ne<?> Pope Valley grade Comment
  UCD109074  Lupinus nanus G. F. Hrusa 1995-3-26 12026 Napa Univ. of Calif. - Quail Ridge Reserve. 290 Comment
  UCD109267  Lupinus nanus Collector Unknown 1925-4-15 1741 Napa Davis. Comment
  JEPS107242  Lupinus sericatus Jake Ruygt 1997-4-26 3835 Napa between Bismark Knob and Mt. Veeder (school site) 560 Comment
  UC1745944  Lupinus sericatus Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2776 a Napa Headwaters of Moore Creek, Las Posadas State Forest. 3-4 mi. E of Angwin. 518 Comment
  UC764752  Lupinus sericatus R. F. Hoover 1941-4-26 4941 Napa near summit on highway e side Mt. St. Helena; e side of Mt. St. Helena Comment
  UCD109596  Lupinus succulentus J. C. Downey 1955-4-23 s.n. Napa In canyon bottom; 4 miles east of Rutherford. Comment
  UCD148805  Lupinus succulentus Ellen Dean; Diana Hickson 2014-4-29 8112 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 579 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
  JEPS126044  Luzula comosa var. comosa Jake Ruygt 1992-3-18 2855 Napa Next to south lake, Wild Horse Valley Ranch. Mount George 7.5' Quad. Comment
  JEPS45953  Lythrum hyssopifolia Willis L. Jepson 1893-6-26 14091 Napa Napa River Basin, Howell Mountain Howell Mountain; Napa River Basin, Howell Mountain Comment
  UC127158  Lythrum hyssopifolia Harley P. Chandler Sep 7 1906-Sep 14 1906 7100 Napa Howell Mountain, Alta Loma Ranch Alta Loma Ranch; Howell Mountain, Alta Loma Ranch 487 Comment
  UCD103031  Lythrum hyssopifolia K. Esau; E. Hyde 1938-5-25 s.n. Napa Napa County. Comment
  CAS-BOT-BC343830  Madia elegans David D. Keck 1933-11-10 2714 Napa Calistoga Comment
  UC127121  Madia elegans Harley P. Chandler Sep 7 1906-Sep 14 1906 7131 Napa Howell Mountain Alta Loma Ranch 487 Comment
  UCD73449  Madia elegans 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
  CAS-BOT-BC343831  Madia elegans Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  UCD135709  Madia elegans Bruce G. Baldwin 1986-8-23 623 Napa 0.4 mile west of summit of California State Highway 29 at Robert Louis Stevenson State Park (ca. 0.1 mile west of park boundary). Comment
  HSC81602  Madia exigua Thomas W. Nelson, Jane P. Nelson 1980-5-3 5146 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  UCD18057  Madia exigua Ellen Dean; with Plant Biology 102 class 2000-4-22 611 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
  CAS-BOT-BC343206  Madia gracilis Betty H. Johnson 1958-6-8 601 Napa Near St. Helena River, 6.4 mi. S.-W. of Middletown Comment
  JEPS40379  Madia gracilis W. L. Jepson 1938-5-24 18852 Napa Howell Mts. Napa Range 762 Comment
  UCD170686  Madia gracilis 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. 158 Comment
  CAS-BOT-BC343192  Madia gracilis Bruce G. Baldwin 1986-4-28 601 Napa 3.3 miles west of junction with Lower Chiles Valley Road along California State Highway 128 Comment
  CAS-BOT-BC343207  Madia gracilis Ira L. Wiggins 1949-4-30 12072 Napa Along old toll road between Calistoga and Middletown, about 1.5 miles north-east of Calistoga Comment
  RSA92827  Madia gracilis subsp. gracilis P. H. Raven 1952-6-28 4196 -A Napa Hennessey Lake 122 Comment
  SBBG92575  Madia nutans B. G. Baldwin 1987-4-26 652 Napa Las Posadas St Forest (Howell Mtn) immediately N of dirt Rd leading E of Las Posadas Fire Stn, less than 0.1 mi E of Stn Comment
  RSA51298  Maianthemum racemosum subsp. amplexicaule Peter H. Raven 1950-4-15 1732 Napa Wooden Valley grade above Napa 305 Comment
  UCR196235  Malacothrix clevelandii Jake Ruygt 2005-6-1 4885 Napa Knoville Wildlife Area, Blue Ridge, 1 mi north of Mays Flat 630 Comment
  CAS-BOT-BC347516  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 274 Comment
  CAS-BOT-BC347517  Malacothrix floccifera Peter H. Raven 1951-5-6 2824 Napa Burn below Conn Dam 274 Comment
  JEPS129034  Malacothrix floccifera Jake Ruygt 2016-5-14 6255 Napa Near south base of Snell Peak. Aetna Springs 7.5' Quad. Comment
  UCD170680  Malacothrix floccifera 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. 158 Comment
  UCD18068  Malacothrix floccifera Ellen Dean; with Plant Biology 102 class 2000-4-22 623 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
  UCD18051  Marah fabacea Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 604 Napa Napa County. McLaughlin Reserve. Ca. 0.87 miles as the crow flies NNW of site of old town of Knoxville, east side of road to Clover Valley, along old road that climbs up ridge on E side, N- and NW-facing slopes. 536 Comment
  UCD19946  Marah fabacea E. A. Dean; Virginia Boucher 2002-2-28 902 Napa Quail Ridge Reserve. Along East Rd., 0.65 airline miles SE of stock pond at tip of ridge, where East and West Roads converge. 396 Comment
  JEPS42509  Marah fabacea Willis L. Jepson 1893-4-27 14127 Napa Napa City Napa River Basin Comment
  UCD15989  Medicago polymorpha C. D. Kennedy; L. Condon, R. Flannery, C. Hallock, and N. Strahan 2000-4-22 27 Napa McLaughlin Reserve,North of Knoxville-Berryessa Rd. Along old Knoxville Rd., just S of site of lod town of Knoxville, W side of road. 38 deg. 49' 38.7'' N; 122 deg. 20' 22.4'' W; 420 m. Comment
  UCD48968  Medicago polymorpha E. Gottschalk; C. Brassey and L. Hamamoto 2001-4-28 17 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam. Along West Rd., 0.45 as the crow flies miles (2400 ft.) NW of jct with South Decker Canyon Rd., on the top of a W-facing slope. 242 Comment
  JEPS76280  Melica californica W. L. Jepson 1943-5-15 20774 Napa Knoxville Ridge Comment
  UCD159944  Melica californica 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
  UCD48192  Melica californica A. Van Houtte; E. Leger, C. Hohn 2001-4-14 2 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just west of Monticello Dam; North of Research Station, north of junction with South Decker Canyon Rd. 365 Comment
  UCD93078  Melica californica Catherine E. Koehler 2008-4-4 s.n. Napa McLaughlin Reserve. Blue Ridge, Knoxville Wildlife Area. 594 Comment
  SEINET200624 Image available Melica torreyana J. P. Tracy 1933-6-2 12465 Napa Howell Mtn Rd 5 mi E of St Helena 305 Comment
  CHSC83412  Melilotus indicus L. P. Janeway; B. Castro 2002-5-12 7534 Napa Inner North Coast Ranges. Flats along the small meadow/springs along Pocock Creek just upstream of the dirt road from Devilhead Road. 506 Comment
  JEPS129115  Melilotus officinalis Jake Ruygt 2009-6-27 5456 Napa Hunting Creek near Morgan Valley. Jericho Valley 7.5' Quad. 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
  JEPS120371  Mentha alopecuroides Jake Ruygt 1989-9-25 2408 Napa Napa River about 1/2 mile north of Trancas Street, Napa. Napa 7.5' Quad. Comment
  JEPS112575  Mentha pulegium Jake Ruygt 1969-12-31 420 Napa Napa River north of Trancas St. 4 Comment
  RSA769180  Mentha pulegium L. Ahart 2009-10-12 16440 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
  JEPS120344  Mentzelia dispersa Jake Ruygt 2005-5-14 4844 Napa Ridge at NE end of County. Knoxville 7.5' Quad. Comment
  UCR44909  Mentzelia laevicaulis L. F. LaPre, R. Bjork 1986-7-13 s.n. Napa Inner North Coast Ranges, Hunting Creek, 0.5 mi south of Dunnigan Hill. SE of Clear Lake, near the county line. 335 Comment
  UCD102815  Micranthes californica P. B. Kaufman 1950-4-1 20 Napa Vaca Mountain range, Putah Canyon. Comment
  UCD19940  Micranthes californica E. A. Dean; Virginia Boucher 2002-2-28 898 Napa Quail Ridge Reserve. Along West Rd., 1.1 airline miles north of junction of West Rd. and Decker Canyon Trail. 274 Comment
  RSA10690  Micropus californicus C. B. Wolf 1928-5-3 1797 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  CAS-BOT-BC348548  Micropus californicus var. californicus M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  RSA695590  Micropus californicus var. californicus Keith E. Hoffmaster 1946-4-13 1048 Napa Putah Canyon, Coast Range Comment
  UC50009  Microseris acuminata Edw. L. Greene 1886-5-4 Napa Gordon Valley Comment
  JEPS36151  Microseris douglasii subsp. douglasii W. L. Jepson 1893-5 Napa Howell Mt. Comment
  UC166819  Microseris douglasii subsp. douglasii J. P. Tracy 1902-5-15 1458 Napa 3 to 4 mi e Angwin's; Howell Mountain, Head of Moores Creek 457 Comment
  UC1239523  Microseris douglasii subsp. tenella Joseph P. Tracy 1933-6-2 12483 Napa 3 to 4 mi e Angwin's (on hills at the head of Moores Creek); Northern Coast Ranges, Howell Mountain, Moores Creek 365 Comment
  POM182669  Microseris elegans D. D. Keck 1931-4-4 1093 Napa Geysers just NW of Calistoga, NW Napa County. 34 Comment
  POM363453  Microseris lindleyi J. T. Howell 1931-4-19 6452 Napa Conn Valley. Comment
  CDA41679  Mimulus angustatus S. E. Schoenig 1998-6-5 98 -22 Napa 20 meters east of Ink Grade Road, 0.5 mile northwest of intersection with Howell Mountain Road. Comment
  UC1245370  Mimulus angustatus Joseph P. Tracy 1950-5-23 18660 Napa 5 mi e Angwin's (on hills at head of creek); Howell Mountain, Moore's Creek, La Jota Plateau 518 Comment
  UCD160390  Mimulus aurantiacus Nellie Coffey 1931-3-29 s.n. Napa Chiles Valley. Comment
  HSC72431  Mimulus aurantiacus var. aurantiacus J. P. Smith, J. O. Sawyer 1970-5-17 3774 Napa 3 mi. S of Pope Valley Comment
  JEPS10222  Mimulus aurantiacus var. aurantiacus W. L. Jepson 1904-6-3 2449 Napa Howell Mt. Napa Range Comment
  RSA60354  Mimulus aurantiacus var. aurantiacus G. R. Campbell 1948-6-18 657 Napa 10 miles south of Montecello Comment
  NY90685  Mimulus bakeri C. F. Baker 1903-4-20 2608 Napa Mt. St. Helena. Comment
  JEPS115732  Mimulus cardinalis Lowell Ahart 2009-10-12 16451 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 133 Comment
  JEPS110583  Mimulus congdonii Jake Ruygt 1990-4-1 2449 Napa south of Leoma Lakes, Wild Horse Valley Ranch. 429 Comment
  UCD18028  Mimulus douglasii Ellen Dean; with Susan Harrison, Dean Enderlend, Joe Callizo 2000-3-18 568 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
  UCR24432  Mimulus douglasii John C. Roos 1939-3-18 303 Napa North Coast Range, Snell Valley, [near] Pacific Union College, Angwin 183 Comment
  JEPS10573  Mimulus douglasii Willis L. Jepson 1893-3-13 60 m Napa hills e St. Helena; Napa River Basin, Howell Mt. foothills Comment
  JEPS110591  Mimulus floribundus Jake Ruygt 1989-6-17 2366 Napa Van Ness Canyon 597 Comment
  JEPS11534  Mimulus grandis Willis L. Jepson 1893-4-24 4 m Napa hills e St. Helena (to Conn Valley Grade); Napa River Basin, Howell Mt. foothills Comment
  JEPS11033  Mimulus guttatus W. L. Jepson 1892-3-25 68 m Napa crest above Collins Camp; Vaca Mts. Comment
  RSA309180  Mimulus guttatus W. L. Jepson 1893-5-1 13 Napa Calistoga. Comment
  SEINET10813590 Image available Mimulus guttatus Charles F. Baker 1903-4-19 Baker 1980 Napa Calistoga. Colonies occasional in muddy meadows near sulphur springs. Comment
  SEINET7041071  Mimulus guttatus Christopher T. Ivey 2002-4-30 362 Napa Along margins of Smittle Creek near Lake Berryessa in the Smittle Creek Recreation Area, 8.6 mile north of Highway 128 on Knoxville-Berryessa Road. Comment
  JEPS110612  Mimulus inodorus Jake Ruygt 2005-5-25 4865 Napa Munson Ranch, E end of Circle Oaks, Ridgecrest Drive 438 Comment
  UCD167999  Mimulus kelloggii James A. Neilson Jr. 1977-4-13 3866 Napa Summit Oat Hill Mine Rd., about 1/2 mile west Twin Peaks, about 1/3 mile north and a liitle west of Sugarloaf Mt. (Exact location unknown, coordinates estimated by label maker.) Comment
  POM182672  Mimulus kelloggii D. D. Keck 1931-4-4 1089 Napa The Crater Country, 3.5 miles SE from summit of Mt. St. Helena, northern Napa Co. 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
  NY90742  Mimulus luteus var. gracilis G. Thurber 03 1852 498 Napa Comment
  UC26989  Mimulus microphyllus W. L. Jepson 1893-4-26 Napa near La Lomita; Napa River Basin; Napa River Basin, near La Lomita Comment
  UCD63063  Mimulus microphyllus Daniel Sanchez-Mata 2006-6-11 s.n. Napa Knoxville-Berryessa Road between Moskowite Corner and Spanish Flat. 190 Comment
  UCD96585  Mimulus microphyllus Dena Grossenbacher; Brian Green 2008-5-29 852 Napa Along Devil's Head Road, 2 miles south of Berryessa - Knoxville Road junction. 502 Comment
  JEPS11347  Mimulus nasutus Willis L. Jepson 1893-5-1 5 m Napa near Calistoga; Napa River Basin, Upper Napa Valley Comment
  JEPS110598  Mimulus nudatus Jake Ruygt 1991-5-25 2693 a Napa Paradise Valley 280 Comment
  UCD96135  Mimulus nudatus Dena Grossenbacher; Brian Green 2008-5-7 820 Napa Along Devil's Head Road, about 3.25 miles south of Berryessa-Knoxville Road junction. 468 Comment
  JEPS110596  Mimulus pilosus Jake Ruygt 1992-6-11 3026 Napa south of Mitten lake, Wild Horse Valley Ranch 438 Comment
  UC1103332  Mimulus pulsiferae Joseph P. Tracy 1933-4-30 12105 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mountain, La Jota Plateau 518 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
  RSA129900  Mimulus tricolor Peter H. Raven 1951-5-26 2877 Napa Butts Canyon. 305 Comment
  CAS-BOT-BC467196  Minuartia californica L. R. Abrams 1928-5-3 12222 Napa St. Helena Grade Comment
  SEINET5725995 Image available Minuartia californica Stephen Randall 1974-1 3 Napa 1 air mile southeast of Pope Valley, just west of Chiles-Pope Valley Road.; Pope Valley 207 Comment
  UC903159  Minuartia californica Ethel Crum 1937-4-19 1785 Napa 17 mi ne Napa; Napa Range, Steel Canyon Comment
  CAS-BOT-BC388619  Minuartia douglasii Peter H. Raven 1953-3-29 5223 Napa Hills e. of Imola 121 Comment
  JEPS129020  Minuartia douglasii Jake Ruygt 2016-5-7 6234 -B Napa Smittle Creek west side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  JEPS122749  Mollugo verticillata Jake Ruygt 2009-7-28 5467 Napa North shore of Lake Berryessa near Eticuera Creek parking lot. Quad: Walter Springs. Comment
  SEINET4173667 Image available Monardella villosa Jack Major 1961-6-13 545 Napa Monticello Dam, State Hwy 128 Comment
  JEPS62404  Monardella villosa subsp. villosa W. L. Jepson 1923-6-3 9969 Napa Calistoga Napa Valley 91 Comment
  UCD166668  Monardella villosa subsp. villosa Jake Ruygt 1992-6-24 3056 Napa Tuteur Ranch, end of Green Valley Rd. 292 Comment
  POM126651  Monardella viridis Katherine Brandegee s.n. Napa Angwin s Comment
  UC1995310  Monardella viridis John Thomas Howell 1933-8-27 11639 Napa Sage Canyon Napa Range Comment
  UCD160745  Monardella viridis Ellen Dean 2015-5-23 8797 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. 243 Comment
  UCD41412  Monardella viridis Mark Bibbo; Ellen Dean, Alex Lee, Burak Petin 2003-4-26 126 Napa Bureau of Land Management land S of McLaughlin UC Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, along trail west of pool at confluence of Sensitive Plant Canyon and Hunting Creek, in forest by stream that crosses trail. 320 Comment
  UCD73421  Monardella viridis Ayzik Solomeshch; Stephen Rae 2007-7-8 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  UCD82594  Monardella viridis Ellen Dean; T. Starbuck 2009-5-4 5533 Napa Ridge above Lake Hennesy and Hwy 128 to the E of the Napa Valley. 426 Comment
  JEPS2654  Monardella viridis subsp. viridis W. L. Jepson 1894-10-13 70 d Napa Upper Conn Valley Napa Range; Upper Conn Valley, Napa Range Comment
  SEINET10582240  Monardella viridis subsp. viridis A. Graff 1993-7-26 Graff 368 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
  RSA0054950  Montia Keith E. Hoffmaster 1946-3-23 1218 Napa Along Napa-Monticello road. Comment
  JEPS77947  Montia fontana Edward Lee 1936-3-15 1814 Napa 10.7 mi out of Rutherford (Rutherford-Pope Valley Road) Comment
  UC7845  Montia fontana Willis L. Jepson 1893-4-26 Napa Napa River Basin, Rutherford Rutherford; Napa River Basin, Rutherford Comment
  SBBG21244  Muhlenbergia andina B. Crampton 1959-8-26 Napa N end of Capell Valley, St Hwy 128 Comment
  UCD37368  Muhlenbergia andina Beecher Crampton 1959-8-26 5450 Napa Napa County, north end of Capell Valley, along State Highway 128, above Capell Creek. Comment
  SEINET4671914  Muhlenbergia andina B. Crampton 1959-8-26 5450 Napa N end of Capell Valley, along State Hwy 128, above Capell Creek Comment
  JEPS75637  Nassella cernua W. L. Jepson 1936-5-28 17544 Napa Adam-and-Eve Ridge Howell Mt. Comment
  CAS-BOT-BC259963  Nassella lepida John H. Thomas 1955-5-21 5105 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CAS-BOT-BC259964  Nassella lepida Peter H. Raven 1951-6-26 3053 Napa Wooden Valley Grade 304 Comment
  SEINET201032  Nassella lepida Joseph P. Tracy 1933-6-2 12466 Napa Howell Mountain Road 5 mi east of St. Helena 305 Comment
  UCD87825  Nassella lepida Beecher Crampton 1956-5-25 3481 Napa Howell Mountains, above Wooden Valley. Comment
  CAS-BOT-BC260178  Nassella pulchra H. M. Hall 1921-4-14 11265 Napa Near Napa junction 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
  SEINET201034  Nassella pulchra J. P. Tracy 1902-5-21 1581 Napa Head of Moore's Creek 3-4 miles E of Angwin's. 457 Comment
  SEINET7073049  Nassella pulchra A. G. Vestal 1963-4-7 s.n. Napa Low flat about 2.1 miles north of St. Helena on the Silverado Trail. Coordinate datum: NAD27. Comment
  UC70997  Nassella pulchra Joseph Burtt Davy Apr. 1902 Napa St. Helena Comment
  UCD18148  Nassella pulchra Jean Shepard; with PLB 102 class 2000-4-29 203 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
  UCD87466  Nassella pulchra Beecher Crampton 1956-5-25 3478 Napa Grade crest north of Wooden Valley, Bruno's Place. Comment
  CAS-BOT-BC60337  Nasturtium officinale Doris K. Kildale 1928-5-8 5053 Napa 0.5 mile from Napa-Solano county line. On road to Vacaville. Comment
  UC518932  Navarretia cotulifolia David D. Keck 1933-5-29 2350 Napa s of Walters Springs (Pope Creek bridge); Pope Creek Comment
  JEPS120360  Navarretia heterandra Jake Ruygt 2006-5-16 5026 Napa Lower Anderson Creek Canyon near Berryessa Valley. Brooks 7.5' Quad. Comment
  JEPS112536  Navarretia heterodoxa Jake Ruygt 1991-6-10 2717 Napa above Cooksley Lake toward Summit Lake Dr., Angwin 725 Comment
  JEPS112538  Navarretia heterodoxa Jake Ruygt 1992-6-11 3028 Napa south of Mitten lake, Wild Horse Valley Ranch 426 Comment
  UC106835  Navarretia heterodoxa Katharine Brandegee 1889-1 Napa Howell Mountain Comment
  UCD167182  Navarretia intertexta subsp. intertexta Jake Ruygt 1989-6-17 2373 Napa Bear Valley. 633 Comment
  UC1177373  Navarretia jepsonii Peter H. Raven 1950-6-28 2404 Napa just above Aetna Springs; Pope Valley Comment
  UCD167140  Navarretia jepsonii Jake Ruygt 2015-5-23 6111 Napa Missimer - Snell Valley Preserve. 178 Comment
  UC155179  Navarretia mellita Katharine Brandegee 1910-7-20 Napa Pope Valley Comment
  CAS-BOT-BC232673  Navarretia pubescens John H. Thomas 1955-5-21 180 J Napa Near State Highway No 128 and Cappell Creek, about 12 miles E of St Helena 274 Comment
  UC130855  Navarretia pubescens Katharine Brandegee 1909-6-1 Napa grade from Calistoga Pope Valley Comment
  UCD148817  Navarretia pubescens Ellen Dean; Diana Hickson 2014-4-29 8123 Napa Knoxville public lands. California Department of Fish and Wildlife property. Headwaters of Nevada Creek. Most northwestern part of property. 601 Comment
  POM204471  Navarretia pubescens Thos. Howell 1933-6-4 11390 Napa Hills east of Napa Comment
  RSA73123  Navarretia pubescens M. S. Jussel 1937-5-23 s.n. Napa Palisades. Comment
  UC1221750  Navarretia pubescens Beecher Crampton 1959-5-26 5258 Napa Martley Canyon Vaca Mountains (along State Hwy 128) Comment
  UCD48623  Navarretia pubescens Katherine Lahey 1981-5-24 102 Napa Napa Co. 2.2 mi S of junction State Hwy's 128 and 121 on Hwy 128 roadside. 243 Comment
  UC23831  Navarretia squarrosa Edw. L. Greene 1894-6-17 Napa Calistoga Comment
  UCD167199  Navarretia squarrosa Jake Ruygt 1982-7-18 1375 Napa Deer Park Road at Four Corners. 414 Comment
  JEPS110944  Navarretia tagetina Jake Ruygt 1983-6-1 1484 Napa HWY 12 at Sonoma County line 91 Comment
  JEPS16709  Navarretia tagetina Rimo Bacigalupi with J. R. Sweeney 1953-5-26 4125 Napa 5.25 mi n Calistoga (along road to Middletown (State Highway 29)) 411 Comment
  JEPS106578  Nemacladus montanus Jake Ruygt 1989-4-22 2286 Napa NE corner of HWY 128 and Berryessa-Knoxville Rd.,Capell Cyn. 207 Comment
  JEPS129026  Nemacladus montanus Jake Ruygt 2016-5-7 6241 Napa Smittle Creek west of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  UCD72910  Nemacladus montanus B. Wengeler 1995-4-30 s.n. Napa 2 m N of hwy 128 along Knoxville Rd. 183 Comment
  RSA492511  Nemacladus montanus H. L. Mason 1935-5-30 10000 Napa Four miles north of Knoxville Mines. Comment
  UCD13125  Nemophila heterophylla Kathleen Worden 1981-4-28 2 Napa Napa CO. On highway 128, 2.4 miles southeast of Moskowitz Corner; shaded creekside. Comment
  UCD49095  Nemophila heterophylla L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 6 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. Between stream and South Decker Canyon Rd., where stream comes within 6 ft. of the road. 152 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
  RSA733621  Nemophila menziesii Keith E. Hoffmaster 1946-3-23 1076 Napa Napa range, along Napa-Monticello road. Comment
  UC24248  Nemophila menziesii Willis L. Jepson 1893-4-26 Napa Yountville , Yountville (Napa River Basin) Comment
  JEPS110843  Nemophila menziesii var. menziesii Jake Ruygt 1997-3-18 3912 Napa Conn Valley Road, 4 mi E from Silverado Trail 103 Comment
  UCD167156  Nemophila pedunculata Jake Ruygt 2015-3-10 6035 Napa Sutro Ranch, east side of Atlas Peak. 704 Comment
  UCD166686  Nemophila pedunculata Jake Ruygt 1991-3-11 2668 Napa intersection of Aetna Extension Rd and Oat Hill Mine Rd. 670 Comment
  JEPS115764  Nicotiana acuminata var. multiflora Lowell Ahart 2009-10-12 16455 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 133 Comment
  POM180778  Nicotiana bigelovii J. T. Howell 1930-9-19 5601 Napa Conn Creek near entrance of Sage Canyon, Napa Valley. Comment
  JEPS12271  Nicotiana quadrivalvis Helen-Mar Wheeler 1942-7-17 Napa Conn Valley Comment
  JEPS12387  Nicotiana quadrivalvis W. L. Jepson 1894-11-5 21248 Napa Napa River above St. Helena; Napa River Comment
  UCD67960  Nuttallanthus texanus Arlene Johnston 1974-5-11 90 Napa Napa. Bodega Bay. Stabilized dunes. Coastal Strand Plant Association, dominated by Lupinus arboreus. Sandy soil, on steep slope, dry area in full sun. Annual herb, 5-12 cm high. Rare. 30 Comment
  UC15042  Odontostomum hartwegii J. P. Tracy 1902-5-14 1443 Napa Howell Mt. grade near St. Helena (head of Moore's Creek, 3 - 4 mi. e. of Angwin's); Howell Mt., Moore's Creek 182 Comment
  UCD148553  Oenanthe sarmentosa Jake Ruygt 1992-7-22 3110 Napa Napa County, Wooden Valley, south end, on Wild Horse Valley Ranch. 179 Comment
  UC126482  Oenothera elata subsp. hirsutissima Harley P. Chandler Sep 7 1906-Sep 14 1906 7135 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCR23341  Onychium densum John C. Roos 1938-12-10 286 Napa North Coast Range, Blake's Canyon, Pacific Union College, Angwin Comment
  RSA0066529  Orobanche fasciculata Gilbert Muth 1967-5-17 688 Napa Maple Springs. 609 Comment
  POM15659  Orthocarpus attenuatus C. F. Baker 1903-4-19 1993 Napa Calistoga. Comment
  RSA195301  Orthocarpus attenuatus Gilbert Muth 1967-4-30 660 Napa Shell Valley. Near creek. 183 Comment
  POM43749  Orthocarpus faucibarbatus Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  RSA671053  Orthocarpus faucibarbatus G. Fred Hrusa 1995-4-2 12047 Napa SE corner of Chiles-Pope Valley Rd and Hwy 128 heading up Salt Canyon, upper end of Hennessey Res. 200 Comment
  SEINET4854296  Orthocarpus lacerus Carl F. Baker 1903-5-8 2965 Napa Knoxville. Comment
  RSA292970  Orthocarpus lithospermoides Reino Alava 1957-5-30 1011 Napa About 0.7 mile west of the Chiles Valley School. Comment
  POM15660  Orthocarpus lithospermoides var. bicolor C. F. Baker 1903-5-8 2965 Napa Knoxville. Comment
  POM83502  Orthocarpus lithospermoides var. bicolor W. L. Jepson 1920-5-25 9042 Napa Knoxville Ridge, NE Napa Co. Comment
  RSA195330  Orthocarpus lithospermoides var. bicolor Gilbert Muth 1967-5-25 701 Napa [No location information provided.] 15 Comment
  JEPS85029  Osmorhiza berteroi Larry Heckard and Mary Ashton 1969-5-3 2210 Napa off Atlas Peak Rd ca 7 mi ne Napa; Mead Ranch 457 Comment
  CDA11434  Osmorhiza chilensis G. F. Hrusa, M. Tu 1995-5-6 12157 Napa North Coast Biodiversity Arena; Along Moores Creek, Las Posadas State Forest. Comment
  JEPS122756  Oxalis incarnata Jake Ruygt 2003-5-17 4530 Napa Sarco Creek, SW corner of Foote Mt. George Preserve. Quad: Mt. George. Comment
  CDA4676  Oxalis rubra W. O. McCartney 1966-5-12 49 Napa Monticello Road, 3 miles north of Vicky Road, Napa. 0 Comment
  JEPS106862  Packera breweri Jake Ruygt 1988-5-1 2163 Napa west of Butts Canyon Rd. on Aetna Springs Rd. 216 Comment
  UC570397  Packera clevelandii Chas. M. Belshaw 1936-9-20 2687 Napa 3 mi nw Knoxville; North Inner Coast Range Comment
  UCD170286  Packera clevelandii Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 826 Napa Along Knoxville Devilhead Road, west of Knoxville Wildlife Area. 456 Comment
  UCD170287  Packera clevelandii Daniel Potter; Ninh Khuu, Sarah Dohle, Casey Peters 2015-7-18 827 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 441 Comment
  SEINET11744634 Image available Packera clevelandii J. P. Tracy 1905-7-6 2221 Napa Howell Mountain. Head of Moore's Creek, 3-4 miles east of Angwin's 366 Comment
  CAS-BOT-BC316878  Packera eurycephala var. eurycephala Peter Raven 1950-6-20 2397 Napa Dry vernal flats between Pope Valley P. O. & Aetna Springs Comment
  JEPS37193  Packera eurycephala var. eurycephala W. L. Jepson 1920-5-25 9045 Napa Knoxville Ridge, ne Napa County Knoxville Ridge 670 Comment
  UC131781  Packera eurycephala var. eurycephala C. F. Baker 1903-5-8 3080 Napa Knoxville Comment
  UC187240  Panicum acuminatum var. acuminatum Joseph P. Tracy 1905-7-8 2234 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  RSA126981  Panicum capillare B. O. Schreiber 1936-9-20 2355 Napa 5 miles south of Reiff 762 Comment
  UCD33885  Panicum capillare subsp. hillmanii Beecher Crampton 1974-9-19 9089 Napa Napa County, south of Yountville. Comment
  UCD89792  Panicum capillare subsp. hillmanii Beecher Crampton 1969-7-14 8496 Napa Napa, southern area, east of Napa River Bridge. Comment
  JEPS120368  Papaver heterophyllum Jake Ruygt 1981-5-13 1021 Napa American Canyon east of Flosden Road. Cordelia 7.5' Quad. Comment
  JEPS50028  Parvisedum pumilum H. L. Mason 1931-4-12 Napa Napa State Hospital Comment
  UC571854  Parvisedum pumilum H. L. Mason 1935-5-5 3494 Napa 3 mi s of Napa City Comment
  UCD123314  Pedicularis densiflora D. C. Finfrock 1950-4-2 17 Napa 7.2 miles from St.Helena on road to Pope Valley. Comment
  RSA10645  Pedicularis densiflora Carl B. Wolf 1928-5-3 1845 Napa Summit of Mount St. Helena Grade, N of Calistoga Comment
  UCD36151  Pedicularis densiflora Beecher Crampton 1953-2-26 989 Napa 6 miles east of Monticello, on Highway 128, above Putah Creek. Comment
  SEINET3872924  Pellaea andromedifolia Daphne K. Christopher, Hannah Stevens; Mark Bibbo 2003-4-11 143 Napa Uc Davis, Stebbins Cold Canyon Reserve. Main trail through canyon to old homesite foundation.; 0 166 Comment
  CAS-BOT-BC71384  Pellaea mucronata Peter H. Raven 1954-1-22 6387 Napa Soda Springs Canyon just north of the Resort 213 Comment
  UC1745679  Pellaea mucronata var. mucronata Annetta M. Carter, Edward Lee 1935-12-1 1016 Napa Wooden Valley Grade E of Napa on road to Monticello. 43.1 mi. from Berkeley. Comment
  SFV8540  Penstemon heterophyllus B. Henry 1973-5-5 23 Napa North Coast Ranges Vaca Mountains. State Highway 128, 2 miles above Monticello Dam. 150 Comment
  UCD124215  Penstemon heterophyllus M. Ensign 1943-5-28 321 Napa 17 miles from Monticello on road to Lower Lake. Comment
  POM182638  Penstemon heterophyllus subsp. heterophyllus D. D. Keck 1931-4-2 1028 Napa Wooden Valley Grade, west side of Napa Range, 5 miles NE of Napa. 200 Comment
  JEPS7564  Penstemon heterophyllus var. heterophyllus W. L. Jepson 1893-6-26 21434 Napa Howell Mt. Comment
  SEINET12329993  Penstemon newberryi F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -305 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 750 Comment
  CAS-BOT-BC245715  Penstemon newberryi var. sonomensis Belle R. Jackson 1930-6-20 s.n. Napa At the monument, summit of Mt. St. Helena Comment
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Jan 13 2018
  LA209709  Penstemon newberryi var. sonomensis Joseph Andorfer Ewan; 1937-5-23 10334 Napa Mount Saint Helena, Summit trail Comment
  UCD121186  Pentagramma triangularis Ellen Dean; G. Golden, C. Loughran, PLB 102 interns 2012-5-5 7362 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 Recreation Flat. 526 Comment
  SEINET3873442  Pentagramma triangularis subsp. triangularis Daphne K. Christopher, Hannah Stevens; Mark Bibbo 2003-4-11 138 Napa Uc Davis, Stebbins Cold Canyon Reserve. Main trail through canyon to old homesite foundation.; 0 166 Comment
  HSC103454  Pentagramma triangularis subsp. triangularis Thomas W. Nelson, Jane Nelson 1981-4-14 6401 Napa Along Devil's Head Rd., .5 mi. from junction with Morgan Valley Rd., at junction with road to Hunting Creek 549 Comment
  JEPS104486  Perideridia gairdneri subsp. gairdneri Jake Ruygt 1991-7-24 2799 Napa Leoma Lakes, Wild Horse Valley Ranch 417 Comment
  UC178642  Perideridia gairdneri subsp. gairdneri K. Brandegee Aug. 1888 Napa Howell Mountain Comment
  UC106526  Perideridia kelloggii Brandegee Aug. 1888 Napa Howell Mountain Comment
  JEPS12448  Perideridia kelloggii Willis L. Jepson 1893-9-24 14218 Napa Howell Mt. Napa River Basin Comment
  SBBG128015  Persicaria punctata L. Ahart 2009-10-12 16449 Napa Capell Crk NE 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, ca. 19 mi W of Winters 133 Comment
  UC917309  Petrorhagia dubia R. L. Smith 1948-5-8 Napa 6 mi N of Aetna Springs, Pope Valley Comment
  UCD48848  Petrorhagia dubia M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 18 Napa Quail Ridge UC Reserve, northern tip of peninsula just N of power lines in open grassy swale. 274 Comment
  JEPS110851  Phacelia distans Jake Ruygt 1994-3-15 3317 Napa Chiles Canyon Road about 1 mile from Chiles Valley 365 Comment
  UC131126  Phacelia egena Katharine Brandegee 1909-6-1 Napa Pope Valley Grade Comment
  RSA51274  Phacelia egena Peter H. Raven 1950-5-6 2008 Napa Dry bed of the west branch of the Napa River where it meets route 29 approximately one mile west of Calistoga. 91 Comment
  UCD81821  Phacelia imbricata Ellen Dean 2009-4-24 5448 Napa Property on the SE slope of Mt. St. Helena. 3860 Hwy 29. 297 Comment
  JEPS2146  Phacelia imbricata W. L. Jepson 1936-6-1 17599 Napa near sanitarium (lower slopes of mt.); Napa Range, Howell Mtn. Comment
  UC1301154  Phacelia imbricata Helen K. Sharsmith 1963-3-17 5236 Napa hillsides along Silverado Trail San Francisco Bay Region 76 Comment
  UC672717  Phacelia imbricata W. S. Boyle 1942-4-25 1069 Napa 10 mi from Napa (1/4 mi e of Silverado Trail rd to Calistoga) Comment
  UCD170156  Phacelia imbricata subsp. imbricata Daniel Potter; Ninh Khuu, Maggie Larochelle 2015-4-11 782 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road 428 Comment
  RSA170286  Phacelia imbricata subsp. imbricata W. L. Jepson 1938-5-18 18797 Napa Howell Mountain, Napa Range. Comment
  JEPS110799  Phacelia tanacetifolia Jake Ruygt 1981-4-18 980 Napa Harris Canyon 365 Comment
  POM161068  Phalaris angusta Joseph P. Tracy 1903-5-15 1844 Napa Napa Valley near Calistoga 91 Comment
  JEPS122957  Phalaris lemmonii Jake Ruygt 1987-4-22 1961 Napa Ragg ridge (Quail Ridge Preserve. Quad: Cuttings Wharf. Comment
  UC729981  Phalaris lemmonii Leo F. Koch 1940-4-24 850 Napa field w Cuttings Wharf Comment
  CAS-BOT-BC250851  Phleum pratense Peter H. Raven 1951-6-26 3048 Napa E. of Napa on Monticello Rd. 60 Comment
  UCD89612  Phleum pratense Beecher Crampton 1953-7-14 1513 Napa N.E. slope of Mt. St. Helena, 5 miles south of Middletown. Comment
  CAS-BOT-BC134981  Phoradendron bolleanum John F. Emmel 1971-4-17 342 Napa Butts Creek, 0.4 miles NW of junction Butts Canyon and Snell Valley roads 198 Comment
  RSA292976  Phoradendron densum Reino Alava, Lincoln Constance, Robert Ornduff 756 Napa On the north facing slope of Mt St Helena. 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
  UC639128  Phoradendron densum H. L. Mason and L. Constance 1939-12-21 Napa on shoulder of Mt. St. Helena (on Middletown-Calistoga rd. at Lake Co. line) Comment
  RSA92929  Phoradendron villosum Peter H. Raven 1951-8-19 3851 Napa Near Lokoya. 457 Comment
  UC466696  Physocarpus capitatus H. P. Chandler 1907-5-12 7565 Napa White Sulphur Spring St. Helena Comment
  UCD167239  Phytolacca americana Jake Ruygt 1992-8-6 3118 Napa Yountville Ecological Reserve, Yountville Cross Road. 25 Comment
  UCD108157  Pickeringia montana Beecher Crampton 1959-11-2 BC- 111 Napa North end of Capell Valley, above Capell Creek. Comment
  UCD38721  Pickeringia montana Beecher Crampton 1957-6-4 4100 Napa North end of Capell Valley. Comment
  UCD117788  Pickeringia montana var. montana Marisol Gonzalez; Plant Biology 102 Collectors 2012-5-5 5 Napa Las Posadas State Experimental Forest. Northeastern part of property, uphill and north of Recreation Flat, south of undeveloped road. 391 Comment
  UCD161609  Pickeringia montana var. montana Jake Ruygt 1999-7-17 4207 Napa Red Hill, south side of Mt. St. Helena. 731 Comment
  CAS-BOT-BC73326  Pinus attenuata L. R. Abrams 1928-5-4 12273 Napa Near summit Mt. St. Helena. 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
  UC796589  Pinus attenuata Ira L. Wiggins 1949-4-30 12085 Napa 1.5 mi from summit Mount St. Helena (along forest road) 1066 Comment
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Oct 2 2012
  SEINET3221131 Image available Pinus ponderosa Royal D. Suttkus 1967-6-26 67- 30 -42 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  UC400289  Pinus ponderosa Mrs. D. O. Hunt Dec. 1898 Napa St. Helena Comment
  SEINET9632842 Image available Pinus ponderosa Royal D. Suttkus 1967-6-26 67- 30 -42 Napa Clearly Reserves, 7.2 miles northwest of Pope Valley. Comment
  JEPS46896  Pinus sabiniana W. L. Jepson 1906-12-1 Napa St. Helena Comment
  JEPS46897  Pinus sabiniana W. L. Jepson 1901-8-1 Napa St. Helena Comment
  UC400310  Pinus sabiniana W. L. Jepson Dec 1895 Napa Conn Valley St. Helena Comment
  JEPS60956  Plagiobothrys bracteatus Joseph P. Tracy May 1903 1843 Napa Calistoga 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
  JEPS106763  Plagiobothrys nothofulvus Jake Ruygt 1984-3-31 1521 Napa Devil's Canyon 384 Comment
  UCD148755  Plagiobothrys nothofulvus Jake Ruygt 2002-4-1 4375 Napa Napa County; Blue Ridge north of Mays Flat. 716 Comment
  JEPS100374  Plagiobothrys stipitatus var. micranthus Dean W. Taylor 2001-5-15 17652 Napa Cedar Valley (ca. 3 air miles South from Knoxville) 592 Comment
  UCD47947  Plagiobothrys stipitatus var. micranthus Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 1 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  CAS-BOT-BC228496  Plagiobothrys strictus Alice Eastwood 1915-6-5 4627 Napa Calistoga Comment
  JEPS24609  Plagiobothrys strictus Willis L. Jepson 1893-5-9 21183 Napa near Calistoga; Napa River Basin Comment
  JEPS24976  Plagiobothrys strictus J. P. Tracy May 15 1903-May 18 1903 1857 Napa Region about San Francisco Bay, Napa Valley, Calistoga Hot Springs Region about San Francisco Bay, Napa Valley, Calistoga Hot S 91 Comment
  UC881353  Plagiobothrys strictus Alice Eastwood 1915-6-5 4627 Napa Calistoga Comment
  UCD120954  Plagiobothrys strictus M. Wiesendanger 1928-4-5 865 Napa Calistoga. Comment
  RSA0008560  Plagiobothrys strictus D. D. Keck 1931-4-4 1095 Napa Geysers just NW of Calistoga, NW Napa County. 34 Comment
  JEPS85016  Plagiobothrys tener var. tener Larry Heckard and Mary Ashton 1969-5-3 2228 Napa ca 7 mi ne Napa (off Atlas Peak Rd., ca 1/2 mi ne of ranch house); Mead Ranch 457 Comment
  JEPS110788  Plantago coronopus Jake Ruygt 1994-6-7 3396 Napa Calistoga Airport 109 Comment
  JEPS110786  Plantago erecta Jake Ruygt 1986-3-6 1633 Napa .4 mile east of Flosden Rd. on American Canyon Rd. 146 Comment
  JEPS20845  Plantago erecta B. Crampton 1956-5-25 3466 Napa between se Capell Valley and Wragg Canyon; Capell Valley Comment
  UC1301166  Plantago erecta Helen K. Sharsmith 1963-3-17 5209 Napa s side Mt. Atlas; San Francisco Bay Region 609 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
  UCD49192  Plantago erecta Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 24 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, along Decker Ridge Rd., N of jct with South Decker Canyon Rd. 335 Comment
  UCR146184  Plantago erecta Beecher Crampton 1967-5-11 7918 A Napa Inner North Coast Ranges, 4.5 miles east of Rutherford, south slope, Conn Reservoir 122 Comment
  JEPS6452  Plantago erecta Joseph P. Tracy 1935-3-19 13765 Napa 4 mi nw Calistoga (Knights Valley road); Northern Coast Ranges 213 Comment
  UCD15037  Plantago hookeriana Lorraine Clarke 1977-4-16 14 Napa California, Napa Co.; along Highway 128, 6.4 miles (by road) south - southwest of Monticello Dam; Comment
  JEPS7122  Plantago lanceolata W. L. Jepson 1936-6-2 17612 Napa e of Yountville Comment
  UCD170431  Plantago lanceolata Daniel Potter; Daniel McNair 2016-4-23 923 Napa Knoxville Wildlife Area, along the Zim Zim Falls trail. Comment
  HSC58979  Platystemon californicus G. E. Johnston 1974-4-4 1022 Napa Near Bell Canyon, close to the town of Angwin 427 Comment
  JEPS110777  Platystemon californicus Jake Ruygt 1996-5-4 3642 Napa Butts Canyon Road at James Creek Road; field to SE. 210 Comment
  SFV8386  Platystemon californicus J. F. Addicott 1965-3-19 3 Napa Along Dollarhide Road, about 3.5 miles east of Pope Valley. 183 Comment
  UCD167242  Platystemon californicus Jake Ruygt 2005-4-17 4771 Napa Cub Valley', south of Bear Valley. 664 Comment
  UCD82051  Platystemon californicus Robin McMaster 1972-4-22 66 Napa Pope Valley. Comment
  UCD96076  Platystemon californicus R. L. Smith 1948-5-1 s.n. Napa east branch of Monticello Valley, 3 miles east of Samuel Springs. Comment
  JEPS110900  Plectritis brachystemon Jake Ruygt 1994-5-14 3370 Napa Mead Ranch, Atlas Peak Road, south of Foss Valley. 487 Comment
  JEPS4802  Plectritis brachystemon Miss R. Kuhn 1912-5-19 Napa Oakville Comment
  UC1239599  Plectritis brachystemon Joseph P. Tracy 1933-6-2 12455 Napa 3-4 mi e of Angwin's (at Head of Moore's Creek, Howell Mountain); Northern Coast Ranges, Howell Mountain, Moore's Creek 518 Comment
  JEPS5140  Plectritis ciliosa subsp. ciliosa R. Kuhn 1912-4-10 Napa Oakville Comment
  UC999824  Plectritis ciliosa subsp. ciliosa S. C. Dyal, A. Carter, E. Crum, J. Morrison 1938-4-24 691 Napa Lower Lake Road Comment
  JEPS110901  Plectritis ciliosa subsp. insignis Jake Ruygt 2003-3-22 4474 Napa Ink Grade, about 1 mi W of Pope Valley Road 280 Comment
  RSA261550  Plectritis congesta J. McGrath 1963-3-8 3 Napa Lake Berryessa, 5 miles above Montcello Dam, off State Hwy 128. Comment
  UCD137615  Plectritis macrocera J. D. Skoss 1948-4-10 s.n. Napa Putah Canyon, 12 miles above Winters. Comment
  UC187257  Pleuropogon californicus Joseph P. Tracy 1903-5-18 1874 Napa near Calistoga (Napa Valley); Northern Coast Ranges, Napa Valley 91 Comment
  UC767873  Pleuropogon californicus var. californicus R. F. Hoover 1941-4-26 4923 Napa Pope Valley Comment
  UCD90143  Pleuropogon californicus var. californicus Beecher Crampton 1962-5-8 6417 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  UCD90191  Pleuropogon californicus var. californicus R. Tofsrud 1948-5-1 s.n. Napa Calistoga. Comment
  CAS-BOT-BC260958  Pleuropogon californicus var. californicus Peter H. Raven 1957-5-5 10748 Napa Near hot springs, Calistoga 91 Comment
  RSA113786  Poa howellii Beecher Crampton 1956-5-25 3461 Napa east slope of Wragg Canyon, Vaca Mountains Comment
  UC1103792  Poa howellii Joseph P. Tracy 1899-6-18 349 Napa 3-4 mi e Angwin's (head of Moore's Creek); Howell Mt 518 Comment
  CAS-BOT-BC246848  Poa napensis Peter H. Raven 1957-5-5 10737 Napa Field near the hot springs at the airport, Calistoga Comment
  JEPS122929  Poa napensis Jake Ruygt 1996-4-11 3596 Napa Calistoga Airport. Quad: Calistoga. Comment
  UCD91551  Poa napensis Beecher Crampton 1962-5-8 6418 Napa 2 miles north of Calistoga, Myrtledale Hot Springs. Comment
  CAS-BOT-BC255949  Poa pratensis Peter H. Raven 1951-5-26 2890 Napa Howell Mtn. above Pope Valley 304 Comment
  UCD91866  Poa pratensis Beecher Crampton 1953-6-2 1435 Napa along Hwy. 53, 8 miles south of Middletown. Comment
  CAS-BOT-BC242898  Poa secunda subsp. secunda L. R. Abrams 1928-5-3 12234 Napa St. Helena Grade Comment
  JEPS122923  Poa secunda subsp. secunda Jake Ruygt 1983-4-2 1401 Napa End of Green Valley Road. Quad: Mt. George. Comment
  JEPS62446  Pogogyne douglasii W. L. Jepson 1897-7-12 14907 Napa Pope Valley Comment
  UC1177075  Pogogyne douglasii Peter H. Raven 1951-5-26 2880 Napa Butts Canyon 304 Comment
  UCD160701  Pogogyne douglasii Ellen Dean; Jake Ruygt 2015-5-23 8760 Napa McLaughlin UC Reserve on the N side of Knoxville-Berryessa Road, west of the old town of Knoxville site. 416 Comment
  UCD77928  Pogogyne douglasii Robert E. Preston 2002-6-17 1821 Napa Pope Valley, along Pope Canyon Rd, 0.5 mi N of its jct with Pope Valley Cross Rd. 187 Comment
  UC1279971  Pogogyne douglasii Peter H. Raven 1957-5-5 10749 Napa near geysers, Calistoga Comment
  UC25589  Pogogyne douglasii W. H. Brewer 1861-11-4 855 Napa Napa Valley Comment
  UCD49103  Pogogyne serpylloides A. Collier; D. Caterson and S. Kenady 2002-5-4 3 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of East and West roads, near stock pond, on the SW side of pond. 320 Comment
  UC852688  Polycarpon tetraphyllum Alice Eastwood 1915-6-5 4655 Napa Calistoga, along railroad Calistoga Comment
  UCD110455  Polygala Christopher Mallek 2008-1 KX1- 2 Napa Knoxville. 593 Comment
  UC109721  Polygala californica K. Brandegee Aug 1888 Napa Howell Mountain Comment
  UCD109707  Polygala californica D. Sanchez-Mata 1996-6-22 s.n. Napa Capell Valley. Capell Creek. 350 Comment
  UCD21553  Polygala californica A. Lee; Ellen Dean, Mark Bibbo, Burak Petin 2003-4-26 7 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, along trail west of pool at confluence of Sensitive Plant Canyon and Hunting Creek, in forest by stream that crosses trail. 320 Comment
  UCD63348  Polygala californica Daniel Sanchez-Mata 2006-6-15 s.n. Napa Moskowite Corners-Spanish Flat. Capell Valley. Capell Valley Road close to Capell Creek. 220 Comment
  UCD68049  Polygala californica Allen Barnes 1976-6-1 25 Napa on highway 128, 3.9 miles northwest of Moskowite Corners, approximately 200 yds west of roadside. Comment
  POM262892  Polygala californica J. C. Roos 1939-4-18 313 Napa Howell Mountain, Napa Range Comment
  JEPS110850  Polygonum arenastrum Jake Ruygt 1989-7-18 2400 Napa Willis Drive, Napa 15 Comment
  JEPS51314  Polygonum aviculare subsp. aviculare Willis L. Jepson 1893-9-24 Napa Angwin's Meadows Napa River Basin, Howell Mt. Comment
  CAS-BOT-BC109159  Polygonum bolanderi H. E. McMinn 1922-6-7 194 Napa Howell Mountain. Comment
  CAS-BOT-BC109162  Polygonum bolanderi Wilhelm Nikolaus Suksdorf 1913-7-30 748 Napa Northwest of Napa. Comment
  JEPS110849  Polygonum bolanderi Jake Ruygt 1997-11-24 3878 Napa East of Chimney Rock , between Soda Canyon and Silverado Tr 152 Comment
  JEPS50580  Polygonum bolanderi John T. Howell 1926-10-3 2213 Napa about 2 mi from Petrified Forest (between there and Calistoga) Comment
  POM263036  Polygonum bolanderi J. C. Roos 1938-11-12 320 Napa In rocky place, Angwin, Napa Range. Comment
  UC6671  Polygonum bolanderi Bolander 1863-9-20 2649 Napa e Napa Valley; ; among rocks near Napa in field notes Comment
  JEPS112593  Polygonum hydropiperoides Jake Ruygt 1991-7-20 2771 Napa Lake Orville, Friesen's Lakes, Angwin 563 Comment
  CHSC103020  Polygonum lapathifolium Lowell Ahart 2009-10-12 16447 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 Winters. 133 Comment
  JEPS120370  Polygonum majus Jake Ruygt 1986-6-14 1812 Napa Mt. Millhouse Camp, Mt. Saint Helena. Detert Reservoir 7.5' Quad. Comment
  UC1562672  Polygonum punctatum Barbara Ertter with Elizabeth Neese 1988-10-2 7953 Napa on creek below spillway on N side of Rt. 128 (ca 15 air mi nnw of Napa); North Coast Ranges, Lake Hennessey, Conn Creek 91 Comment
  JEPS100823  Polypogon interruptus Dean W. Taylor 2000-6-29 17471 Napa Zim Zim Creek, along the creek about 2.5 miles up from confluence of Eticuera Creek and Berryessa-Knoxville Road 259 Comment
  JEPS115748  Polypogon monspeliensis Lowell Ahart 2009-10-12 16465 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
  RSA10644  Polystichum imbricans C. B. Wolf 1928-5-3 1846 Napa Summit of Mount St. Helena Grade, north of Calistoga. Comment
  CAS-BOT-BC267121  Potamogeton Alice A. Ackley 1968-8-29 s.n. Napa Along main highway at Hoffman Road crossing, Yountville Comment
  CAS-BOT-BC508642  Prosartes hookeri Peter H. Raven 1950-4-15 1744 Napa Wooden Valley Grade above Napa 457 Comment
  CAS-BOT-BC151176  Prunus subcordata W. L. Jepson 1891-6-1 s.n. Napa In the Vaca Mts. Comment
  JEPS44960  Prunus subcordata W. L. Jepson 1925-9-27 10747 Napa Howell Mountain Comment
  POM262889  Prunus subcordata J. C. Roos 1939-3-31 307 Napa Angwin. Howell Mtns. Comment
  UC608410  Prunus virginiana var. demissa Beryl O. Schreiber 1936-3-5 2205 Napa 0.3 mi WSW of Petrified Forest Comment
  CAS-BOT-BC356378  Pseudognaphalium beneolens Kate E. Phelps 1932-9-1 s.n. Napa Myrtledale Hot Springs near Calistoga Comment
  JEPS106915  Pseudognaphalium californicum Jake Ruygt 1992-6-24 3054 Napa Tuteur Ranch, end of Green Valley Rd. 316 Comment
  CAS-BOT-BC357566  Pseudognaphalium stramineum Peter H. Raven 1953-10-4 6368 Napa Duttons Landing 0 Comment
  CAS-BOT-BC357567  Pseudognaphalium stramineum Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  UCD73461  Pseudognaphalium thermale Ayzik Solomeshch 2007-5-30 s. n. Napa Brend-Morgan property, ca. 3 miles northeast of city of Napa. 215 Comment
  CAS-BOT-BC80151  Pseudotsuga menziesii Alice Eastwood 1918-5-1 6853 Napa Mt. St. Helena Comment
  RSA187448  Pseudotsuga menziesii John H. Thomas 1966-3-22 11534 Napa About 5 miles north of Calistoga as measured along highway 29 on the southeast slope of Mt. St. Helena. 610 Comment
  JEPS106884  Psilocarphus brevissimus var. brevissimus Jake Ruygt 1983-5-13 1461 Napa Suscol ridge east of HWY 29(221) 27 Comment
  CAS-BOT-BC361893  Psilocarphus tenellus R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6664 Napa 5 mi. E. of St. Helena on road to Pope Valley 304 Comment
  UCD170382  Psilocarphus tenellus Daniel Potter; N Khuu 2016-5-8 878 Napa Knoxville Wildlife Area, southwest of Zim Zim Falls trailhead. 347 Comment
  UCD63154  Psilocarphus tenellus var. tenellus Jake Ruygt 1991-5-6 2649 Napa Wantrup Preserve, Pope Valley. 195 Comment
  JEPS110781  Pterostegia drymarioides Jake Ruygt 1994-3-15 3319 Napa Chiles Canyon Road about 1 mile from Chiles Valley 457 Comment
  UCD49170  Pterostegia drymarioides M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 23 Napa Quail Ridge UC Reserve, northern tip of peninsula directly beneath power lines along road. 274 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
  UCR141075  Puccinellia simplex Beecher Crampton 1955-3-15 2327 Napa North Coast Range, 2 miles north of Calistoga, near Myrtledale Hot Springs 107 Comment
  JEPS106406  Pyrola aphylla Jake Ruygt 1991-6-29 2750 Napa .7 mile south of White Cottage Rd. on Howell Mtn Rd. 554 Comment
  UC221331  Pyrrocoma racemosa var. racemosa H. M. Hall 1923-10-15 11949 Napa Calistoga, by the spring Calistoga Comment
  CDA11153  Quercus X chasei G. F. Hrusa, G. L. Stebbins, J. Callizo 1993-12-3 11564 Napa North Coast Biodiversity Arena; N side of Mt. George, 10 m. NE of city of Napa, above Sarco Creek. Comment
  JEPS116530  Quercus X morehus Jake Ruygt 2003-5-5 4517 Napa Upper end of Long Canyon. Knoxville 7.5' Quad. Comment
  UCD47033  Quercus X morehus J. M. Tucker 1994-4-9 s.n. Napa California: Napa County, Quail Ridge Reserve, near Lake Berryessa; 146 Comment
  JEPS37370  Quercus agrifolia W. L. Jepson 1907-12-1 2974 Napa Sanitarium Hill road Napa Valley Comment
  JEPS116524  Quercus agrifolia var. agrifolia Jake Ruygt 1979-4-10 496 Napa Silverado Trail and Trancas Avenue. 7.5' Napa Quad. Comment
  RSA608861  Quercus agrifolia var. agrifolia Louis C. Wheeler 1963-9-16 8392 Napa Moore Creek Prospect, E of St. Helena. Comment
  CAS-BOT-BC532605  Quercus berberidifolia G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs Comment
  JEPS116531  Quercus berberidifolia Jake Ruygt 1999-5-1 4144 Napa Blue Ridge above Goslin(g) Canyon. Lake Berryessa 7.5' Quad. Comment
  SFV878  Quercus berberidifolia M. Shaw 1963-5-13 s. n. Napa North Coast Ranges Vaca Mountains. Below CA-Highway 128, 4 miles west of Monticello Dam. 120 Comment
  UC126507  Quercus berberidifolia Harley P. Chandler Sep 7 1906-Sep 14 1906 7154 Napa Alta Loma Ranch Howell Mountain 487 Comment
  UCD14677  Quercus berberidifolia John M. Tucker; and G. L. Stebbins 1950-11-5 2004 Napa California, Napa Co.; 11.5 mi. northwest of Monticello, beside road to Pope Valley; Comment
  UCD45241  Quercus berberidifolia J. M. Tucker; G. L. Stebbins 1950-11-5 2012 Napa California, Napa Co.; 5 mi east of Conn Valley Dam, beside road to Monticello. Shale soil, shrubs on steep hillside. (Sheet No. 1, each twig from a separate shrub.) Comment
  UCSB58649  Quercus berberidifolia Morley, Thomas 1941-5-11 Napa west bank of Putah Creek immediately above junction with Butts Creek 140 Comment
  SEINET3140220  Quercus chasei Unknown 1994-10-29 sn Napa Mt. George, north-ne. side ca. 400m Comment
  CAS-BOT-BC62457  Quercus chrysolepis Alice Eastwood 1918-9-3 7953 Napa Mt. St. Helena Comment
  CAS-BOT-BC62460  Quercus chrysolepis Peter H. Raven 1964-5-9 19060 Napa along dirt road 2 miles west of Aetna Springs Comment
  SEINET265713  Quercus chrysolepis Royal D. Suttkus 1967-6-26 67- 30 -6 Napa Clearly Reserves 7.2 miles northwest of Pope Valley. Comment
  SEINET12034303  Quercus chrysolepis Unknown 1942-1 s.n. Napa Calistoqo Comment
  CAS-BOT-BC85935  Quercus douglasii H. E. McMinn 196 Napa Canyon thru which Pope Creek runs to Putah Creek Comment
  JEPS37393  Quercus douglasii Willis L. Jepson 1901-8-6 1729 Napa Howell Mt. grade Napa River Basin Comment
  UC993148  Quercus douglasii J. M. Tucker 1948-9-5 1868 Napa ca 0.25 mi e Sonoma-Napa County line (s side of Highway 12) Comment
  CAS-BOT-BC86436  Quercus dumosa Peter H. Raven 1951-6-26 3058 Napa Wooden Valley Grade 304 Comment
  RSA602571  Quercus dumosa Louis C. Wheeler 1952-8-30 6875 Napa Manganese Ridge: Moore Creek, Howell Mountain. Comment
  SEINET12029179  Quercus dumosa Unknown 1941-1 127 Napa west bank of Putah Creek immediately above junction with Butts Creek Comment
  SEINET9315403  Quercus dumosa Unknown 1939-4-16 39068 Napa 3 mi NE of Napa. Open rocky hills. Comment
  CAS-BOT-BC79837  Quercus durata C. Hart Merriam September k3m k9k9 s.n. Napa Canyon House, Steel Creek Comment
  CAS-BOT-BC79841  Quercus durata Mrs. S. Earle Kelley 1918-8-1 s.n. Napa Mt. St. Helena Comment
  SD225775  Quercus durata John M. Tucker, G. L. Stebbins 1950-11-5 2011 17 Napa Below Conn Valley Dam, hillside across creek from the picnic area Comment
  SFV17680  Quercus durata J. M. Tucker, G. L. Stebbins, Jr. 1950-11-5 2007 30 Napa Beside road up Howell Mountain, 5.6 miles north of St. Helena. Comment
  UC762345  Quercus durata R. F. Hoover 1940-8-25 4542 Napa e side Mt. St. Helena Comment
  UCD14807  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2007 -5 Napa California, Napa Co.; beside road up Howell Mountain, 5.6 mi. north of St. Helena; Comment
  UCD14818  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -7 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14825  Quercus durata John M. Tucker; with G. L. Stebbins 1950-11-5 2011 -21 Napa California, Napa Co.; below Conn Valley Dam, Comment
  UCD14838  Quercus durata John M. Tucker 1950-11-12 2014 -16 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD14842  Quercus durata John M. Tucker 1950-11-12 2014 -20 Napa California, Napa Co.; Highway 28, 7.7 mi. (by road) west of junction with Highway 37; Comment
  UCD40324  Quercus durata Rodney Gale Myatt 1971-6-27 769 Napa Ink Grade Road near the town of Angwin, and northeast of St. Helena. 487 Comment
  UCD45911  Quercus durata var. durata Barbara Rice 1965-9-27 1 Napa Knoxville Road, 1 mile northeast of junction with State Highway 128, Napa County, California. Comment
  UCD45917  Quercus durata var. durata D. Q. Cavagnaro 1963-10-18 226 Napa 5.5 miles west of Moskwite Corners, Napa County, California. Elevation 100 feet. 30 Comment
  UCD48034  Quercus durata var. durata S. Cruz; K. Carpenter, D. Goldberg, M. Ochoa, and K. Watts 2000-4-28 16 Napa Napa County, McLaughlin Reserve, first ridge south of Knoxville Rd., along Devilhead Rd., west side of rd. 531 Comment
  UCD48035  Quercus durata var. durata A. Hufton; S. Burgess, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 9 Napa Napa County; McLaughlin Reserve, Southwest side of Hunting creek, on lower reaches of research hill. 655 Comment
  UCD83396  Quercus durata var. durata Jake Ruygt 1980-4-22 854 Napa Devilshead Rd. 475 Comment
  UCSB64098  Quercus durata var. durata Tucker, John 1950-11-12 Napa Highway 28, 7.7 mi. (by road) west of junction with Highway 37; southeast-facing hillslope above Sage Creek Comment
  UCD46098  Quercus garryana var. garryana J. M. Tucker 1952-4-22 2355 Napa Tree on high bank above Highway 29, Mt. St. Helena, 5.2 miles (by road) north of 'city limits' sign on north side of Calistoga, Napa County, California. 335 Comment
  POM270252  Quercus kelloggii Lyman Benson 1931-2-26 2602 Napa Southern base of Mt. St. Helena, north of Calistoga, Mayacamas mt. range, Napa watershed. 213 Comment
  SEINET2066834 Image available Quercus kelloggii Royal D. Suttkus 1967-6-26 67 -308 Napa Clearly Reserves, 7.2 mi NW of Pope Valley Comment
  UCD149039  Quercus kelloggii Ellen Dean; S. P. Rae and T. Starbuck 2014-5-11 8185 Napa Arbuckle Winery property at 3454 Redwood Rd on the outskirts of Napa in the Mayacamas Mountains. 137 Comment
  UCD46679  Quercus kelloggii K. Esau 1937-4-22 s.n. Napa Monticello-Napa Highway. 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
  UCD49046  Quercus kelloggii Anne Mini; K. McBride, S. Snow, and K. Ehmsen 2001-4-14 18 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, Decker Canyon, along South Decker Canyon Rd., just S of jct with Cut-Off Rd., W side of creek bed. 167 Comment
  RSA28534  Quercus lobata E. K. Balls, P. C. Everett 1953-10-15 18677 Napa 5.5 miles south of junction of highways 37 and 28, between Monticello and Napa. 305 Comment
  UCD46830  Quercus lobata Thomas Morley 1941-5-11 123 Napa At Lombardi's Ranch, west side of Putah Creek just above junction with Butts Creek. 140 Comment
  UCD83400  Quercus lobata Jake Ruygt 1996-5-4 3643 Napa Butts Canyon Rd. at James Creek Rd.; field to SE. 210 Comment
  CLARK-A1528-2901  Quercus lobata John C. Roos 1939-3-27 282 Napa Angwin Comment
  CAS-BOT-BC104979  Quercus wislizeni John Thomas Howell 1926-3-28 1764 Napa Trail to top of Mt. St. Helena Comment
  CAS-BOT-BC104982  Quercus wislizeni Alice Eastwood 1918-5-1 6866 Napa Mt. St. Helena Comment
  UCD159906  Rafinesquia californica Alice Warrick 2008-4-6 s.n. Napa Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon. Middle section, near Q58. 243 Comment
  JEPS110892  Ranunculus aquatilis var. hispidulus Jake Ruygt 1982-5-16 1267 Napa .2 mile south of Foss Valley on Atlas Peak Rd. 417 Comment
  JEPS54965  Ranunculus californicus W. L. Jepson 1915-4-23 6266 a Napa Chiles Creek hills Conn Valley Comment
  RSA92786  Ranunculus californicus Peter H. Raven 1950-4-5 1712 Napa Silverado Trail, outside of Napa 15 Comment
  UCD95941  Ranunculus californicus D. H. Hartmann 1942-3-7 s.n. Napa in Green Valley. 0 Comment
  RSA268176  Ranunculus californicus var. gratus Lyman Benson 1931-2-26 19 Napa Mayacamas, Napa Watershed, intergrading from lower edge of Mt St. Helena 213 Comment
  UCD96168  Ranunculus lobbii R. H. Miller 1949-4-6 19 Napa north side of Highway 37, 1/2 mile west of Napa. Comment
  UCD159791  Ranunculus muricatus James A. Neilson Jr. 1975-4-13 3160 Napa Soda Canyon Road, near outlet of canyon. 60 Comment
  UCR30447  Ranunculus muricatus John C. Roos 1939-4-18 s.n. Napa North Coast Range, Pacific Union College; Angwin 549 Comment
  CDA12063  Ranunculus occidentalis G. F. Hrusa, J. Messina 1989-3-3 5871 Napa North Coast Biodiversity Arena; Slopes around Lake Berryessa. This from along Hwy 128 entrance to Quail Ridge Reserve. 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
  UCD49120  Ranunculus occidentalis L. Wynholds; S. Du Plessis, B. Erickson, and C. Malleck 2001-4-14 1 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
  JEPS60703  Ranunculus orthorhynchus var. bloomeri W. L. Jepson 1921-5-6 9176 Napa Calistoga 109 Comment
  UC9388  Ranunculus orthorhynchus var. bloomeri Willis L. Jepson 1893-4-26 Napa Rutherford Napa River Basin Comment
  JEPS48652  Ranunculus orthorhynchus var. bloomeri Elsa Kraeger 1926-4-4 Napa near Soscal (railroad station near Napa) Comment
  OBI14976  Raphanus raphanistrum R. L. Hoover 1968-4-11 19 Napa One block W of hwy 1 on Palm Ave, Marina Comment
  CDA3874  Reseda luteola David J. Keil, V. L. Holland, Lynne Dee Oyler, G. F. Hrusa, G. L. Stebbins 1994-6-6 24509 Napa Near east end of Lake Hennessy along Highway 128. Comment
  RSA659261  Reseda luteola David J. Keil, V. L. Holland, G. Fred Hrusa, G. Ledyard Stebbins 1994-6-6 24509 Napa Near E end of Lake Hennessy along Hwy 128 roadside and pasture. 150 Comment
  UCD116487  Reseda luteola Herbert L. Mason 1942-9-29 12558 Napa 2 miles N of Calistoga. Comment
  UCR220107  Rhagadiolus stellatus Ayzik Solomeshch 2007-5-28 s.n. Napa northwest of the city of Napa. Woolls Ranch, 1032 Mt. Veeder Road 152 Comment
  OBI5246  Rhagadiolus stellatus T. C. Fuller 1961-6-15 6336 Napa G.A. Wilson ranch, Dry Crk Rd, 2mi W of Yountville Comment
  UCD160730  Rhamnus ilicifolia Ellen Dean 2015-5-23 8782 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
  UC592788  Rhamnus tomentella subsp. crassifolia unknown 1928-2-25 1506 Napa 3 mi n summit of Mt. St. Helena Grade (near Lake-Napa Cos. line) Comment
  CAS-BOT-BC199723  Rhododendron occidentale H. E. McMinn 297 Napa About 6 mi. above Aetna Comment
  HSC43983  Rhododendron occidentale Robert M. Specht 1977-4-14 665 Napa N of Adams Creek 561 Comment
  UC527847  Rhododendron occidentale R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6675 Napa 10 mi n of Howell Mountain; Butts Canyon Comment
  UCD117984  Rhododendron occidentale W. R. Russell; A. D. Graham 1954-5-7 s.n. Napa Between Pope Valley Store and Lake County line, Upper Chiles Valley. Comment
Read comments
Mar 21 2013
  UCD20690  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 2 Napa Napa County, Butts Canyon Rd./ Shell Valley Rd. along Butts Creek, Napa 19.25 marker. Off Pope Valley Rd., NE side of road, S bank, 50' SE of ranch driveway at water's edge, plant submerged to 1.5' at flood levels. Comment
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Sep 15 2007
  UCD35625  Rhododendron occidentale Beecher Crampton 1959-5-11 5204 Napa North end of Capell Valley, above Capell Creek. Comment
  UCD167072  Rhododendron occidentale Jake Ruygt 2007-6-28 5238 Napa Suscol Creek, about 1/2m mile east of Highway 221. 64 Comment
  RSA471014  Rhododendron occidentale var. occidentale H. E. McMinn 1922-6-8 169 Napa Howell Mt. Comment
  CAS-BOT-BC200716  Rhus aromatica Peter H. Raven 1952-5-26 4066 Napa Steel Canyon 304 Comment
  UCD14945  Rhus diversiloba Fumi Takeda 1977-4-16 10 Napa California, Napa Co.; along Highway 128, 6.4 miles southwest of Monticello Dam in Scagg Canyon; Comment
  JEPS126022  Ribes californicum var. californicum Jake Ruygt 1977-3-6 140 Napa East of Basalt Rock quarry. Mount George 7.5' Quad. Comment
  UCD167069  Ribes californicum var. californicum Jake Ruygt 2006-4-25 5003 Napa Wildlake Ranch, upper Bell Canyon. Comment
  CAS-BOT-BC205998  Ribes menziesii Elsa G. Ruckert 1960-3-13 24 Napa Private road behind east of house, 6495 Dry Creek Road 365 Comment
  UC1299685  Ribes victoris Freed W. Hoffman 1947-3-12 761 Napa Trinity Road North Coast Ranges, Dry Creek Comment
  CAS-BOT-BC363046  Rigiopappus leptocladus John Thomas Howell 1931-4-19 6445 Napa Conn Valley Comment
  CDA10867  Rigiopappus leptocladus G. F. Hrusa, M. Rejmanek 1993-5-15 10962 Napa University of California, Quail Ridge Reserve betw. Hwy 128 and Lake Berryessa. Comment
  CHSC59949  Rigiopappus leptocladus Glen Holstein 1977-5-11 Napa Along State Highway 128, 0.2 mile south of intersection with Berryessa-Knoxville Road, Capell Valley. Comment
  JEPS34906  Rigiopappus leptocladus Joseph P. Tracy 1938-6-5 15827 Napa on hills at head Moore's Creek (3-4 mi e of Angwin's); Northern Coast Ranges, Howell Mountain, hills at head of Moo 365 Comment
  UCD18103  Rigiopappus leptocladus Ellen Dean; with Plant Biology 102 class 2000-4-22 612 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
  UC10724  Rorippa curvisiliqua Willis L. Jepson 1893-4-27 Napa Veteran's Home , Veteran's Home (Napa River Basin) Comment
  UCD167150  Rorippa palustris subsp. palustris Jake Ruygt 2015-5-6 6092 Napa East side of Highway 221, south of Suscol Creek. 30 Comment
  CAS-BOT-BC147533  Rosa californica John Thomas Howell 1933-8-27 11649 Napa Chiles Valley, Napa Range Comment
  CAS-BOT-BC147534  Rosa californica Alice Eastwood 1915-6-5 4645 Napa Calistoga Comment
  CAS-BOT-BC148158  Rosa gymnocarpa A. A. Heller 1924-4-12 13838 Napa About 5 miles south of Calistoga Comment
  UC12905  Rosa gymnocarpa Willis L. Jepson 1894-4-30 Napa w Calistoga; Napa River Basin, Rebecca Ranch grade Comment
  UCD159726  Rosa gymnocarpa G. Ledyard Stebbins 1994-4-15 s.n. Napa Aetna Springs. Redwoods. Comment
  UCD113904  Rosa spithamea Heidi E. M. Dobson 1978-5-6 320 Napa East slope of Mt. Veeder. Comment
  SEINET11910992  Rosa spithamea F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -312 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 770 Comment
  UCD17701  Rubus armeniacus H. Olmo; T. S. Mallah 1953-4-8 53 78 Napa California. Napa County: north of Redwood Lodge on Highway 128. Comment
  UCD113843  Rubus parviflorus K. Esau 1920-4-19 s.n. Napa Calistoga. Comment
  UCD108460  Rupertia physodes M. Wiesendanger 1927-5-4 698 Napa Monticello-Napa Rd. Comment
  CAS-BOT-BC108660  Salix breweri David D. Keck 1931-4-3 1075 Napa 5 miles NE of Aetna Springs, along Butts Creek, northern Napa County Comment
  CAS-BOT-BC108661  Salix breweri M. S. Jussel 1931-4-19 s.n. Napa Pope Valley Comment
  HSC20138  Salix breweri Greg Bos 1963-3-30 61 Napa 11 mi. S of Middletown on Butts Canyon Rd. 274 Comment
  SD958  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butt Canyon, between Pope Springs and Aetna Valley, glade on wooded hillside 299 Comment
  UCD102771  Salix breweri Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-4-22 s.n. Napa Berryessa-Knoxville Road. Between Moskowite Corner and Spanish Flat. 410 Comment
Read comments
Jul 22 2018
  CAS-BOT-BC108190  Salix hindsiana C. F. Baker 1903-4-19 1996 Napa Calistoga Comment
  CAS-BOT-BC108191  Salix hindsiana Paul H. Jr. Arnaud 1978-5-6 s.n. Napa Steele Resort Park, Lake Berryessa 100 Comment
  JEPS38399  Salix laevigata Willis L. Jepson 1893-5-8 20 s Napa beyond Angwin's Howell Mt. Comment
  CAS-BOT-BC125149  Salix lasiandra var. lasiandra Peter H. Raven 1952-5-31 4116 Napa 2.5 mi. e. of Yountville 60 Comment
  JEPS13066  Salix lasiandra var. lasiandra Willis L. Jepson 1903-9-6 2340 Napa St. Helena Napa River Basin, St. Helena Comment
  CAS-BOT-BC107049  Salix lasiolepis C. R. Ball; H. E. Parks 1931-2-17 17 a Napa One mile northwest of Calistoga Comment
  UC504070  Salix lasiolepis C. R. Quick and J. A. Vogtmann 1933-3-2 W 1 Napa Dry Creek Rd. aprroximately 15 mi from Napa Comment
  UCD164809  Salix lasiolepis Jake Ruygt 1979-3-8 441 Napa 2.4 miles NW of Browns Valley Rd. On Redwood Rd. 109 Comment
  SBBG29033  Salix lucida subsp. lasiandra I. L. Wiggins 1932-3-12 5750 Napa N fk of Napa River, 1 mi N of Calistoga Comment
  CAS-BOT-BC176909  Salsola tragus Peter H. Raven 1952-9-14 5186 Napa Napa State Game Farm 121 Comment
  CAS-BOT-BC225170  Salvia sonomensis Peter H. Raven 1950-4-15 1772 Napa Wooden Valley Grade above Napa 457 Comment
  CAS-BOT-BC225171  Salvia sonomensis Elizabeth Wright 1922-4-1 217 Napa Near Calistoga Comment
  UCD137688  Sambucus nigra subsp. caerulea Andreas Stohr 1996-4-21 4 Napa on Road 128, on cliff above Putah Creek. 100 Comment
  UCD137700  Sambucus nigra subsp. caerulea M. R. Wanzer 1948-5-6 19 Napa Putah Creek canyon, 12 miles west of winters. Comment
  RSA92950  Sanguisorba minor Peter H. Raven 1951-6-26 3050 Napa E of Napa on Monticello Rd. 61 Comment
  JEPS104480  Sanicula bipinnata Jake Ruygt 1977-4-3 167 Napa hills east of Lake Berryessa,Green Canyon 228 Comment
  JEPS104481  Sanicula bipinnatifida Jake Ruygt 1994-4-26 3356 Napa Pope Valley near Pope Valley Rd. 256 Comment
  POM117092  Sanicula bipinnatifida Marcus E. Jones 1924-4-24 s.n. Napa Napa. Comment
  UC1006696  Sanicula crassicaulis C. Ritchie Bell 1951-3-24 3 X151 Napa se of road from Pope Valley to St. Helena Comment
  UCD81388  Sanicula crassicaulis M. Wiesendanger 1927-5-4 680 Napa Near Monticello. Comment
  CDA38524  Sanicula crassicaulis T. C. Fuller 1958-5-1 3712 Napa Highway 53, 8 miles north of Calistoga. 0 Comment
  HSC70626  Sanicula laciniata J. M. DiTomaso 1980-6-13 1589 Napa Trinity Rd. from Oakville to Glen Ellen Comment
  UCD63191  Sanicula laciniata Jake Ruygt 2002-4-1 4380 Napa West of Calistoga above Blossom Creek. 213 Comment
  JEPS104493  Sanicula tuberosa Jake Ruygt 1996-4-9 3564 Napa Wontrop Wildlife Sanctuary 213 Comment
  UC1197076  Sanicula tuberosa J. P. Tracy June 13,1899 - June 17, 1899 411 Napa 3-4 mi e of Angwin's (Head of Moore's Creek, Howell Mountain); Howell Mountain, Moore's Creek 365 Comment
  UCD41470  Sanicula tuberosa Ellen Dean; T. Starbuck, M. Starbuck, J. Bradford and family 2003-2-21 1350 Napa Quail Ridge UC Reserve. South end of Lake Berryessa, first peninsula, west of Monticello Dam. Along South Decker Canyon Road, south of junction with cut-off trail, east side of trail, on ridge-top east of stream. 213 Comment
  UC1245377  Sanicula tuberosa Joseph P. Tracy 1950-5-23 18681 Napa Howell Mt, in Las Posadas State Forest, Head of Moore's Creek Moore's Creek; Howell Mt, Las Posadas State Forest, Moore's Creek 365 Comment
  JEPS43520  Saxifraga californica Willis L. Jepson 1893-5-2 13478 Napa summit of New Pope Valley Grade (at Pinnacles Calistoga); Napa River Basin, New Pope Valley Grade Comment
  RSA734153  Saxifraga virginiensis Keith E. Hoffmaster 1946-3-9 1240 Napa Napa range, near summit of Napa-Monticello road. Comment
  JEPS944  Scandix pecten-veneris W. L. Jepson 1893-1 14242 Napa Napa Valley, Oak Knoll Oak Knoll; Napa Valley, Oak Knoll Comment
  UC917158  Scandix pecten-veneris C. G. Baughn 1949-4-24 20 Napa 3 1/4 mi nw of Cordelia (State Highway 12); State Highway 12 Comment
  UCD128070  Scandix pecten-veneris G. F. Hrusa; S. Larson 1995-4-10 12062 Napa Along Chiles Valley/Pope Valley Rd. approx. 2 m. S of Pope Canyon Rd. intersection. North Coast Biodiversity Arena. 175 Comment
  CAS-BOT-BC21128  Schoenoplectus acutus var. occidentalis Peter H. Raven 1952-5-31 4118 Napa 2.5 miles east of Yountville. 60 Comment
  JEPS112645  Scutellaria tuberosa Jake Ruygt 1979-4-6 483 Napa .3 mile east of Butts Canyon Rd. on Snell Valley Rd. 219 Comment
  UCD54560  Scutellaria tuberosa K. Walker; PLB 102 2006-5-13 1 Napa Quail Ridge Reserve, West Ashley Rd. One-half mile northwest of Laurel Creek. 208 Comment
  UC1713659  Scutellaria tuberosa O. H. Kappler 1941-3-3 Napa Las Trancas 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-BC63830  Sedum spathulifolium Alice Eastwood 1923-5-9 s.n. Napa Mt. St. Helena Comment
  CAS-BOT-BC63833  Sedum spathulifolium David D. Keck 1933-5-29 2354 Napa Pope Creek bridge, south of Walters Springs. Comment
  CAS-BOT-BC63835  Sedum spathulifolium John H. Thomas 1955-5-21 5126 Napa Sarco Creek drainage, near Hwy 37, about 6 mi from Napa. 274 Comment
  SEINET12216917  Sedum spathulifolium F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -313 Napa Robert Lewis Stevenson State Park trail to the Pallisades, trailhead on CA 29 near St. Helena Creek 780 Comment
  SEINET3864327  Selaginella wallacei James French 1969-2-15 s.n. Napa 7 miles NE of Napa on State Highway 121.; 0 Comment
  CAS-BOT-BC363357  Senecio aronicoides Peter H. Raven 1951-5-20 2857 Napa Hills w. Oakville 548 Comment
  RSA603482  Senecio eurycephalus Joseph A. Ewan 1934-4-30 8826 Napa Near Samuel Springs, above Monticello, on Pope Valley Grade Comment
  UCR66508  Senecio eurycephalus Thomas W. Nelson, J. P. Smith, Jane P. Nelson, et al. 1976-4-12 2348 Napa along Morgan Valley Rd. c. 1.5 mi east of Lake Co. line 633 Comment
  CAS-BOT-BC327422  Senecio flaccidus var. douglasii John Thomas Howell 1930-10-19 5607 Napa Conn Creek near entrance of Sage Canyon, Napa Valley Comment
  UCD33551  Senecio flaccidus var. douglasii Beecher Crampton 1969-10-14 8521 Napa 1.5 miles west of Monticello Dam on Hwy. 128. Comment
  RSA292916  Senecio greenei Reino Alava 1957-5-30 988 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
  UCD161781  Senecio hydrophilus Jake Ruygt 1999-6-8 4180 Napa Fagan Slough. 1 Comment
  CAS-BOT-BC364594  Senecio vulgaris John H. Thomas 1955-5-21 5122 A Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  CDA11136  Senecio vulgaris G. F. Hrusa, G. L. Stebbins, H. Townsend 1994-4-25 11826 Napa North Coast Biodiversity Arena; Mt. George Comment
  CAS-BOT-BC364595  Senecio vulgaris Ira L. Wiggins 1928-3-25 2873 Napa 1 1/2 mi. N.E. of Calistoga Comment
  SEINET5607927 Image available Sequoia sempervirens Richard Vanderwall Unknown Napa Calistoga Comment
  CDA43457  Sesbania punicea N. Castro-Lobovsky 2015-8-24 PDR# 280 P06372476 Napa Oakville; 8329 St. Helena Hwy., near Bella Oaks Lane. 0 Comment
  CAS-BOT-BC243632  Setaria pumila Peter H. Raven 1952-9-14 5184 Napa Napa State Game Farm 121 Comment
  UCD167286  Sidalcea diploscypha Jake Ruygt 1996-5-19 3719 Napa Chiles Valley at east end of large meadow. 228 Comment
  JEPS110707  Sidalcea hartwegii Jake Ruygt 1998-7-18 4099 Napa Bear Valley at pond. 646 Comment
  RSA195296  Sidalcea hartwegii Gilbert Muth 1967-5-17 674 Napa Oat Hill Road, Calistoga 244 Comment
  UC198240  Sidalcea hartwegii H. P. Chandler 1907-5-8 7567 Napa White Sulphur Spr. , White Sulphur Spr. (St. Helena) Comment
  UCD167287  Sidalcea hartwegii Jake Ruygt 1998-6-8 4017 b Napa Atlas Peak Road, entry road to Milliken Reservoir. Comment
  JEPS110724  Sidalcea hirsuta Jake Ruygt 1986-6-24 1783 Napa Butt's Canyon Rd. at Ink Grade 237 Comment
  CHSC83385  Sidalcea keckii L. P. Janeway; B. Castro 2002-5-12 7536 Napa Inner North Coast Ranges. South-facing slope along Pocock Creek above and below the dirt road from Devilhead Road. 503 Comment
  UC1585877  Sidalcea keckii Barbara Ertter with Annetta Carter 1989-5-28 8500 Napa 4.7 mi s Knoxville tunnel (Berryessa-Knoxville Road n of Lake Berryessa, along Eticuera Creek); Lake Berryessa, s of Knoxville tunner, Eticuera Creek 304 Comment
  UCD116607  Sidalcea keckii John D. Atkin 1952-5-1 6 Napa on north slope of Portugese Canyon, about 1 mile up Putah Creek from Recreation Beach. Comment
  UCD116622  Sidalcea keckii James W. Katberg Jr. 1966-5-11 48 Napa 7 miles southeast of Knoxville, Berryessa Road. Comment
  CAS-BOT-BC388149  Silene gallica John H. Thomas 1955-5-21 5121 Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa. 274 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
  UCD48859  Silene gallica S. Murphy; K. Keck and K. Dyer 2002-5-5 3 Napa Quail Ridge UC Reserve, northern tip of ridge, 1.5 m from N edge of stock pond. 328 Comment
  CDA7653  Silybum marianum T. C. Fuller 1957-12-17 Napa 3 miles west of Napa. 0 Comment
  JEPS106847  Sinapis arvensis Jake Ruygt 1987-4-5 1938 Napa Mt. Veeder Rd.,1.8 miles north of Redwood Rd. 161 Comment
  UCD74405  Sinapis arvensis Jake Ruygt 1999-7-3 4190 Napa Napa College, road north of tennis courts. 3 Comment
  CAS-BOT-BC75288  Sisymbrium officinale Elsa G. Ruckert 1960-4-3 65 Napa 6495 Dry Creek Road. West of house. 365 Comment
  UCD164749  Sisymbrium orientale Jake Ruygt 2014-5-30 5966 Napa Atlas Peak Road about 4.5 miles north of Monticello Road. 454 Comment
  UCD74404  Sisymbrium orientale Jake Ruygt 2000-5-17 4260 Napa Devilhead Rd. at top of first grade. 493 Comment
  CAS-BOT-BC135365  Sisyrinchium L. R. Abrams 1928-5-3 12212 Napa St. Helena Grade Comment
  RSA133663  Sisyrinchium bellum John H. Thomas 1955-5-21 5161 Napa Near State Highway No. 128 and Capell Creek, about 12 miles east of St. Helena. 244 Comment
  UCD35481  Sisyrinchium bellum Beecher Crampton 1957-4-15 3929 Napa Napa County; Vaca Mtns., Markley Canyon. Comment
  UCD48245  Sisyrinchium bellum Yumee Kim; L. Bachman, P. Lalbhai 2002-4-13 4 Napa McLaughlin UC Reserve. N of Berryessa-Knoxville Road. Just SW of the old town of Knoxville. 426 Comment
  UCD138805  Sisyrinchium bellum Alan P. Godlewski 1974-5-3 s.n. Napa on a north slope, west of Lake Berryessa 50 yards from Highway 128. Comment
  JEPS122676  Sium suave Jake Ruygt 1979-7-3 732 Napa Napa River south of Trancas St. Quad: Napa. Comment
  UCD170147  Solanum parishii Daniel Potter; N Khuu, C Donkers, A Yip, M Simon 2015-2-28 734 Napa Knoxville Wildlife Area 257 Comment
  CAS-BOT-BC156485  Solanum umbelliferum J. T. Howell 1931-4-3 6128 Napa Pope Creek Canyon, 8 miles from Monticello, Napa Range Comment
  CAS-BOT-BC231732  Solanum umbelliferum John Thomas Howell 1931-4-2 6078 Napa Summit of Wooden Valley Grade, 8 miles east of Napa Comment
  JEPS110919  Solanum umbelliferum Jake Ruygt 1993-4-12 3203 Napa south of James Creek Road and Butts Cany on Road. 219 Comment
  CAS-BOT-BC365099  Solidago velutina subsp. californica L. R. Abrams 1916-7-2 5761 Napa Near St. Helena Sanitarium Comment
  UC1198270  Sparganium erectum subsp. stoloniferum Joseph P. Tracy 1938-8-7 16093 Napa between Napa City and Yountville; Napa Valley 30 Comment
  UC2043156  Spartium junceum Barbara Ertter with Jake Ruygt 1996-4-25 14604 Napa Kroeber Ranch on NE flank of Mount St. John, W of Rutherford in Napa Valley. Comment
  HSC34855  Spergularia macrotheca var. longistyla Thomas W. Nelson, James Nelson 1975-5-5 1805 Napa Calistoga Airport Comment
  RSA0098485  Spergularia macrotheca var. longistyla Rimo C. Bacigalupi 1926-3-27 1254 Napa Opposite Myrtledale Geyser. 1.5 miles north of Calistoga. Comment
  JEPS62967  Stachys ajugoides var. rigida Willis L. Jepson 1894-5-3 14967 Napa St. Helena Napa River Basin Comment
  JEPS63068  Stachys ajugoides var. rigida Willis L. Jepson 1893-4-24 14982 Napa hills e St. Helena (to head of Conn Valley); Napa River Basin Comment
  JEPS63042  Stachys ajugoides var. rigida W. L. Jepson 1897-5-2 14961 Napa near St. Helena Comment
  JEPS63063  Stachys ajugoides var. rigida W. L. Jepson 1936-5-31 17575 Napa La Jota plateau Howell Mtn. Comment
  JEPS112628  Stachys albens Jake Ruygt 1979-6-18 712 Napa corner of Snell Valley Rd. and Butts Can yon Rd. 195 Comment
  JEPS112647  Stachys albens Jake Ruygt 1986-6-28 1851 Napa .4 mile south of Snell Valley Rd. on Butts Canyon Rd. 216 Comment
  UCD168557  Stachys rigida var. quercetorum 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
  UCD126050  Stachys rigida var. quercetorum Douglas O. Dahl 1967-5-25 50 Napa 5.3 miles west of Monticello Dam. 152 Comment
  UCD166639  Stachys stricta Jake Ruygt 1992-7-22 3109 Napa south end of Wooden Valley, on Wild Horse Valley Ranch. 179 Comment
  UCD20829  Stellaria media N. Nicola 2001-3-30 045 Napa Eastern side of inner north coast range, Putah Creek valley, Berryessa valley, Quail Ridge Nature Preserve, Decker Valley. Lat/long is estimate. Comment
  SBBG53024  Stellaria nitens M. R. Benedict 1978-4-18 Napa Hwy 128 on divide between Napa Valley and Russian River Valley, ca. 5 mi NW of Calistoga Comment
  UC1146700  Stellaria nitens Freed W. Hoffman 1947-3-20 839 Napa Pope Creek hillside Pope Creek; North Coast Ranges Comment
  CAS-BOT-BC375245  Stephanomeria elata Kate Eastwood Phelps 1930-7-1 s.n. Napa Sanitarium, Napa Valley Comment
  UC35828  Stephanomeria elata Willis L. Jepson 1893-9-23 Napa Upper Napa Valley, Napa River Basin. 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
  UCD37097  Stephanomeria virgata Beecher Crampton 1956-8-28 3878 Napa 0.5 mile southwest of Monticello Dam, Vaca Mountains. Comment
  CDA34655  Stephanomeria virgata subsp. pleurocarpa L. Ahart 2009-10-12 16430 Napa Just above the high water line of Lake Berryessa, along the west side of Capell Creek north 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
  JEPS129047  Stephanomeria virgata subsp. pleurocarpa Jake Ruygt 2016-6-11 6281 Napa Smittle Creek, east side of Lake Berryessa. Chiles Valley 7.5' Quad. Comment
  JEPS106604  Streptanthus brachiatus Jake Ruygt 1983-6-12 1491 Napa Red Hill, Mt. St. Helena 670 Comment
  UCD115951  Streptanthus breweri Marc Minno 1981-6-16 s.n. Napa Napa-Lake counties. Butts Canyon Road. Comment
  UC1492725  Streptanthus breweri var. breweri Freed W. Hoffman 1952-5-24 4166 Napa 7.8 mi w junction to Monticello Road; North Coast Ranges, Sage Canyon Comment
  UC1492813  Streptanthus breweri var. breweri Freed W. Hoffman 1947-6-18 1048 Napa Conn Dam North Coast Ranges Comment
  UC1292725  Streptanthus breweri var. hesperidis Freed W. Hoffman 1947-8-4 1041 Napa near Detert Reservoir; Napa-Lake County line Comment
  RSA3294  Streptanthus glandulosus D. D. Keck 1931-4-3 1065 Napa Pope Creek Canyon, 8 miles NW of Monticello. Comment
  CAS-BOT-BC87154  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1940-5-19 15453 Napa Upper Saint Helena Creek. Comment
  CAS-BOT-BC87166  Streptanthus glandulosus subsp. glandulosus Peter H. Raven; G. L. Stebbins, Jr. 1953-4-19 5335 Napa Pope Creek east of Samuels Springs. 91 Comment
  JEPS54003  Streptanthus glandulosus subsp. glandulosus Willis L. Jepson 1894-5-1 13411 Napa ridge opposite mouth of Conn Valley; Napa River Basin 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
  CAS-BOT-BC87392  Streptanthus morrisonii Lawrence LaPre' 1985-4-25 s.n. Napa Rare Plant Canyon, a tributary of Hunting Creek from the east, 2 miles southwest of the site of Knoxville. 365 Comment
  UCD170356  Streptanthus morrisonii Daniel Potter; H Won, D McNair, A Holland, K Battenberg 2016-4-17 855 Napa Knoxville Wildlife Area, upper Zim Zim Creek drainage east of Knoxville-Devihlead Road. 468 Comment
  JEPS129117  Stylocline gnaphaloides Jake Ruygt 2012-4-28 5839 Napa Crystal Flats, west of Putah Creek. Aetna Springs 7.5' Quad. Comment
  JEPS12888  Symphoricarpos albus var. laevigatus Willis L. Jepson 1893-9-24 Napa Angwin's; Napa River Basin, Howell Mt. Comment
  JEPS104538  Symphyotrichum lentum Jake Ruygt 1991-11-29 2847 Napa Fagan's Marsh 1 Comment
  JEPS104575  Symphyotrichum spathulatum Jake Ruygt 1981-8-23 1089 Napa 1 mile south of Yountville on HWY 29 22 Comment
  JEPS40783  Symphyotrichum spathulatum W. L. Jepson 1893-9-21 Napa Wooden Valley Comment
  UC165065  Symphyotrichum spathulatum Joseph P. Tracy 1904-5-23 2081 Napa near, (Napa Valley) Calistoga; Northern Coast Ranges, Napa Valley 91 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
  UCD21544  Taraxacum officinale B. Pekin; Ellen Dean, Mark Bibbo, Alex Lee 2003-4-26 2 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 stream crossing W of confluence of Sensitive Plant Canyon and Hunting Creek. 320 Comment
  UCD107008  Taraxia ovata Richard Beaver 1965-5-1 148 Napa 5 miles south of St. Helena on State Highway 128. 45 Comment
  JEPS120387  Teesdalia coronopifolia Jake Ruygt 2001-3-24 4301 Napa NE of Table Rock along PG&E road. Detert Reservoir 7.5' Quad. Comment
  UCD20027  Thermopsis californica var. californica C. H. Lamoureux; J. M. Tucker and R. Gankin 1957-4-17 1211 Napa 1 mile west of junction of Route 128 and Pope Valley Road. Serpentine hillside on S side of Lake Hennessy. Comment
  UCD48028  Thermopsis californica var. californica R. Blenkush; S. Hee, C. McWhorter, J. Moeller 2000-4-22 20 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road. 411 Comment
  JEPS65663  Thermopsis macrophylla W. L. Jepson 1924-4-6 10329 Napa Conn Valley Napa Range Comment
  CAS-BOT-BC66479  Thysanocarpus curvipes John Thomas Howell 1930-3-23 4574 Napa Mount Saint Helena, 5 miles from Calistoga. Comment
  CAS-BOT-BC66496  Thysanocarpus curvipes David D. Keck 1933-5-29 2352 Napa Pope Creek bridge south of Walters Springs. Comment
  CAS-BOT-BC66511  Thysanocarpus curvipes John H. Thomas 1968-4-4 14279 Napa Along Highway 128, about 11 miles east of Rutherford (as measured along the road) and about 12 miles S of Pope Valley. Comment
  CAS-BOT-BC66487  Thysanocarpus curvipes John Thomas Howell 1931-4-4 6169 Napa Crater Country, Mount Saint Helena. Comment
  CAS-BOT-BC66504  Thysanocarpus curvipes Peter H. Raven 1953-5-2 5397 Napa Summit of hills due east of Yountville. 304 Comment
  CAS-BOT-BC66508  Thysanocarpus curvipes John H. Thomas 1968-4-4 14274 Napa About 3 miles north of Calistoga on road to Lakeport. Comment
  JEPS54165  Thysanocarpus curvipes Willis L. Jepson 1893-4-28 30 d Napa plateau n Mt. George (Upland meadows); Napa River Basin, n of Mt. George Comment
  RSA0039334  Thysanocarpus curvipes var. curvipes John Thomas Howell 1931-4-2 6099 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
  JEPS54141  Thysanocarpus laciniatus John Thomas Howell 1926-3-20 1693 Napa on road to Myrtledale Hot Springs 1 1/4 mi from Calistoga Comment
  JEPS106585  Thysanocarpus radians Jake Ruygt 1997-3-8 3803 Napa south of Butts Canyon Road intersection with James Creek Rd 210 Comment
  CAS-BOT-BC67309  Thysanocarpus radians David D. Keck 1931-4-2 1046 Napa 4 miles south of Monticello, eastern Napa county. Comment
  UC875671  Torilis nodosa M. S. Jussel 1937-5-23 Napa Palisades Comment
  UCD48486  Torilis nodosa M. Eng; W. Wong, N. Wannlund, and A. Holman 2002-5-4 4 Napa Quail Ridge UC Reserve, northern tip of ridge, north of intersection of East and West roads, along lower road leading to power lines, 100 ft. W of lat. and long. 304 Comment
  CAS-BOT-BC85172  Torreya californica John A. Sutro 1971-9-8 s.n. Napa Sutro Ranch, Mt. Atlas Comment
  LA5971  Torreya californica J. M. Tucker; 1954-4-22 2699 Napa Mt. St. Helena, beside Highway 29, E side of mountain, 1 mi N of summit of road Comment
  UCD135177  Torreya californica J. M. Tucker 1954-4-22 2699 Napa Beside Highway 29, east side of Mt. St. Helena, 1 mile north of summit of road. Comment
  UCD167157  Torreya californica Jake Ruygt 2015-3-10 6037 Napa Sutro Ranch, east side of Atlas Peak. 683 Comment
  CAS-BOT-BC172955  Toxicodendron diversilobum E. Ruckert 1960-4-9 76 Napa 6495 Dry Creek Road, gate spring at entrance to property 365 Comment
  JEPS63910  Toxicodendron diversilobum W. L. Jepson 1939-9-12 19478 Napa w. of St. Helena (York Creek, Spring Mt.); Spring Mt., York Creek Comment
  JEPS63929  Toxicodendron diversilobum W. L. Jepson 1913-4-15 5314 Napa Howell Mt. 609 Comment
  UC17923  Toxicodendron diversilobum Willis L. Jepson May, 1893 Napa near St. Helena St. Helena; Napa R. Basin Comment
  UCD110461  Toxicoscordion Christopher Mallek 2008-1 KX1- 7 -a Napa Knoxville. 593 Comment
  UCD160789  Toxicoscordion fontanum Ellen Dean; D. Potter, D. Hickson, R. Ruygt, C. Donkers 2015-5-2 8669 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
  UCD170347  Toxicoscordion fontanum Daniel Potter; N Khuu, D McNair, A Holland, K Battenberg 2016-4-3 846 Napa Knoxville Wildlife Area, south of Nevada Creek. 451 Comment
  UCD139849  Toxicoscordion fremontii R. L. Smith 1948-4-17 s.n. Napa Pope Valley, 5 miles north of Aetna Springs. Comment
  UCD48799  Toxicoscordion fremontii A. Collier; D. Caterson and S. Kenady 2002-5-4 16 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of West and East roads. Along upper road leading to power lines. 335 Comment
  UC2025090  Toxicoscordion fremontii Fayla Schwartz 1990-3-18 115 Napa Napa Co. 1.2 miles south of intersection with Howell Mt. Road on Deer Park Road, between St. Helena and Angwin. Comment
  UC1745684  Toxicoscordion micranthum Annetta M. Carter, Joseph Tracy, Rimo Bacigalupi 1950-5-23 2770 Napa Howell Mtn. La Jota Plateau - Las Posadas State Forest. 533 Comment
  CAS-BOT-BC220990  Trichostema Jake Ruygt 2004-7-31 4638 Napa Northwest of Buzzard's Roost, north end of Stags Leap 411 Comment
  CAS-BOT-BC220991  Trichostema Jake Ruygt 2004-8-7 4640 Napa Green Valley Ranch near Solano County line 316 Comment
  UC127171  Trichostema lanceolatum Harley P. Chandler Sep 7-14 1906 7136 Napa Alta Loma Ranch Howell Mountain 304 Comment
  UCD166642  Trichostema laxum Jake Ruygt 2007-7-1 5245 Napa west of Hwy 29, near Lake County line. 541 Comment
  UCD20616  Trichostema laxum E. Dean; with M. Bibbo 2002-7-5 1163 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
  UCR45100  Trichostema laxum L. F. LaPre, R. Bjork 1986-7-11 s.n. Napa Inner North Coast Ranges, Tributary to Hunting Creek, 1 mi south of Dunningan Hill, near the Lake Co. line 400 Comment
  JEPS112620  Trichostema oblongum Jake Ruygt 1986-6-14 1818 Napa Craters, behind Palisades 719 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
  UC160915  Trifolium albopurpureum var. dichotomum Joseph P. Tracy 1902-5-18 1542 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Howell Mountain 518 Comment
  UC16498  Trifolium albopurpureum var. dichotomum Edw. L. Greene Apr. 1892 Napa W. St. Helena Comment
  UC1925904  Trifolium albopurpureum var. dichotomum Ethel Crum 1931-1 1068 Napa Near Aetna and Butts Canyon Roads. Comment
  JEPS106795  Trifolium bifidum var. decipiens Jake Ruygt 1996-4-25 3627 Napa Whitehall Lane near end of county road (Kroeber property) 121 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
  JEPS106797  Trifolium campestre Jake Ruygt 1992-5-4 2931 Napa Westwood Hills Park, Browns Valley Rd. Napa 85 Comment
  UCD149709  Trifolium ciliolatum 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
  UC1543228  Trifolium ciliolatum Donald G. Nelson 1936-4-1 124 Napa along trail (to Green Valley Falls) Comment
  JEPS106802  Trifolium depauperatum var. depauperatum Jake Ruygt 1995-4-8 3414 Napa Silverado Trail at Souza Lane, Napa. 12 Comment
  UC16483  Trifolium depauperatum var. depauperatum Willis L. Jepson 1893-4-26 Napa La Lomita Comment
  JEPS106828  Trifolium depauperatum var. hydrophilum Jake Ruygt 1982-4-29 1215 Napa Suscol plain between Rocktram and HWY 29 (221) 1 Comment
  RSA91082  Trifolium depauperatum var. truncatum J. T. Howell 1931-4-4 6172 Napa Upper Napa Valley at Big Geyser Comment
  RSA10688  Trifolium dichotomum Carl B. Wolf 1928-5-3 1799 Napa 5 miles north of Calistoga, Mt. St. Helena Grade. Comment
  JEPS106826  Trifolium fragiferum Jake Ruygt 1983-6-21 1336 Napa Suscol plain, north west side of Kaiser 3 Comment
  UCD78056  Trifolium fragiferum Robert E. Preston 2005-8-17 2367 Napa Ca. 1 mile NW of Napa Junction. 14 Comment
  UC16802  Trifolium fucatum Jepson 1894-4-24 Napa w St. Helena (trail to Cuax's Cabin) Comment
  UCD16042  Trifolium fucatum R. J. Flannery; C. Kennedy, L Condon, N. Strahan, C. Hallock 2000-4-22 11 Napa McLaughlin Reserve, McLaughlin Reserve, North of Knoxville. West of road. 38 deg. 49' 38.7' N; 122 deg. 20' 22.4' W; 420 m. Grassland, reddish-brown, clay, moist soil, east facing slope. Herbaceous, 1.5-2 dm tall, corolla yellow, turning pink with maturity. Comment
  JEPS129084  Trifolium gracilentum Jake Ruygt 2016-4-16 6188 Napa South of Scrabble Road, E of Lake Berryessa. Lake Berryessa 7.5' Quad. Comment
  JEPS106709  Trifolium hirtum Jake Ruygt 1982-4-29 1208 Napa Suscol Plain west of HWY 29 (221) 3 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
  UCD83724  Trifolium incarnatum Surene Foutouhi; with E. Dean, Yuan-Chun Han 2010-5-7 3 Napa Along Wooden Valley Road; East side of the road; Lamb Vineyard Property. 188 Comment
  JEPS106710  Trifolium microcephalum Jake Ruygt 1980-5-3 867 Napa Oat Hill Mine Rd. at Twin Peaks 755 Comment
  SEINET7389541  Trifolium microcephalum K. Suhr 1967-3-24 s.n. Napa Steele Park Resort, south shore of Lake Berryessa. Comment
  UCD48015  Trifolium microdon A. Laffin; S. Holck, and A. Randall 2002-4-13 8 Napa Yolo County, McLaughlin UC Reserve, W side of Davis Creek Reservoir, along road that goes from Soda Springs to Rayhouse Rd.; due N of Soda Spring and ca. 1.0 airline mile WNW of UC Davis Aquatic Lab facility. Along S side of running stream where road travels east-west for a short distance. Ca. yds. From the N side of the road. 488 Comment
  POM349632  Trifolium microdon J. T. Howell 1934-3-26 s.n. Napa Calistoga geysers. Comment
  UCD83419  Trifolium microdon Jake Ruygt 1992-4-29 2915 Napa Johnson's Meadow, Wild Horse Valley Ranch. 420 Comment
  JEPS106716  Trifolium oliganthum Jake Ruygt 1996-4-9 3568 Napa Wontrop Wildlife Sanctuary 542 Comment
  JEPS126078  Trifolium repens Jake Ruygt 1978-9-19 421 Napa Napa River north of Trancas St. Napa 7.5' Quad. Comment
  UCD128339  Trifolium resupinatum Virginia Moran 2012-5-1 s.n. Napa No exact location. Comment
  JEPS106718  Trifolium variegatum Jake Ruygt 1978-4-9 273 b Napa 2.2 miles NW of Dealy Lane on Henry Rd. 97 Comment
  UC160934  Trifolium variegatum Joseph P. Tracy 1902-5-17 1524 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Northern Coast Ranges, Howell Mtn 457 Comment
  UC160935  Trifolium variegatum Joseph P. Tracy 1902-5-17 1525 Napa 3-4 mi e Angwin's (on hills at head of Moore's Creek); Howell Mtn 457 Comment
  UCD109408  Trifolium variegatum W. L. Jepson 1915-4-23 6235 Napa St. Helena, hills east. Comment
  UC16785  Trifolium variegatum var. variegatum H. P. Chandler 1900-5-7 Napa Rutherford Comment
  UC137720  Trifolium willdenovii C. F. B. 1903-4-19 1989 Napa Calistoga Comment
  UCD17969  Trifolium willdenovii Ellen Dean; Kate Mawdsley 2001-4-9 688 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
  UCD48014  Trifolium willdenovii S. Burgess; A. Hufton, J. Pierner, A. Ryan, and B. Takahashi 2000-4-29 25 Napa Napa County; McLaughlin Reserve, Southwest side of Hunting Creek, on east-facing slope of 'Research Hill'. 655 Comment
  UCD49028  Trifolium willdenovii A. Collier; D. Caterson and S. Kenady 2002-5-4 4 Napa Quail Ridge UC Reserve. At northern tip of ridge, N of the intersection of the jct of East and West roads, near stock pond, on the SW side of pond. 320 Comment
  UCD49034  Trifolium willdenovii A. Van Houtte; E. Leger and C. Hohn 2001-4-14 11 Napa Quail Ridge Reserve, SE corner of Lake Berryessa, just W of Monticello Dam, on W side of S. Decker Canyon Rd., along NW rim of stock pond in Decker Canyon, W and upslope from ruined cabins. 152 Comment
  JEPS48858  Trifolium willdenovii Elsa Kraeger 1926-3-27 Napa near Soscol (along rd) Comment
  UCD109882  Trifolium willdenovii R. L. Smith 1948-5-1 s.n. Napa Northern part of county, Monticello Valley. Comment
  JEPS106754  Trifolium wormskioldii Jake Ruygt 1982-5-8 1229 Napa north side of American Canyon 85 Comment
  UCD166663  Triglochin maritima Jake Ruygt 1986-5-17 1770 Napa west end of Suscol Rd, below southern crossing of Hwy 29.. 1 Comment
  JEPS47269  Trillium albidum Willis L. Jepson 1893-5-8 Napa Napa River Basin, Howell Mountain Howell Mountain; Napa River Basin, Howell Mountain Comment
  CAS-BOT-BC520828  Trillium albidum J. D. Freeman; R. F. Freeman 1967-5-6 573 Napa 0.6 mi. W of Cal. Hwy. 29, just SW of Calistoga Comment
  UC672070  Trillium albidum Herbert L. Mason 1926-3-22 2796 Napa Petrified Forest Comment
  UCD48230  Triphysaria eriantha subsp. eriantha J. Waggoner; E. Anderson, L. Lina, A. Miles, and R. Wenk 2000-4-22 27 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
  JEPS10403  Triphysaria eriantha subsp. eriantha W. W. Mott 1915-4-26 2 Napa hills w Napa; hills w Napa Comment
  JEPS3983  Triphysaria pusilla W. L. Jepson 1910-3-28 4027 Napa Rebecca Ranch grade sw Calistoga; sw of Calistoga Comment
  JEPS11171  Triphysaria versicolor subsp. faucibarbata R. F. Hoover 1941-4-26 4921 Napa Pope Valley 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
  CDA41890  Triphysaria versicolor subsp. faucibarbata T. C. Fuller 1958-5-1 s.n. Napa Highways 29 & 21, 6 miles south of Napa. 0 Comment
  JEPS86221  Triphysaria versicolor subsp. faucibarbata L. R. Heckard 1970-5-4 2447 Napa n side of Kelly Rd 0.5 mi n of CA Hwy 12 near junction of Hwy 12 and Hwy 29 ca 10 mi n Vallejo Comment
  UC657698  Triteleia hyacinthina M. Wiesendanger 1928-4-5 867 Napa Calistoga Comment
  JEPS110913  Triteleia laxa Jake Ruygt 1981-5-27 1044 Napa American Canyon, .3 mile east of Flosden Rd. 91 Comment
  RSA733901  Triteleia laxa Eva Bayon, Plant Biology 102 Class 2000-4-29 s.n. Napa 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. 427 Comment
  SEINET3889059  Triteleia laxa R. Blenkush, S. Hee; C. McWhorter; J. Moeller 2000-4-22 18 Napa Northern Napa County, McLaughlin Reserve, grassland 500 feet south of intersection between Old Knoxville Road and Berryessa-Knoxville Road.; 0 411 Comment
  UCD139376  Triteleia laxa A. Amezcua 1995-5-26 24 Napa 300 m west of Berryessa - Knoxville Road approximately 3 km north of Spanish Flat Resort. 200 Comment
  UCD68005  Triteleia laxa Bill Wengeler 1995-4-16 s.n. Napa long Knoxville Road, approximately 4 miles North of Highway 128. 177 Comment
  JEPS58053  Triteleia laxa W. L. Jepson 1901-5-28 2428 Napa York Creek St. Helena Comment
  UC422833  Triteleia laxa H. P. Chandler 1907-5-8 7564 Napa White Sulphur Spr. St. Helena Comment
  SEINET12049805  Triteleia peduncularis F. H. Utech, Knight, W.; Knight, I.; Edwards, S. 1986-1 86 -325 Napa along Butts Canyon Rd near junction with Snell Valley Rd, to Berryessa Estates along Butts Creek 250 Comment
  JEPS40120  Umbellularia californica W. L. Jepson 1894-10-13 Napa St. Helena Comment
  UCD38864  Umbellularia californica Beecher Crampton 1962-10-9 6705 Napa 5 miles north Conn. Reservoir. (Lake Hennessey) Lower Chiles Valley Road. Comment
  CAS-BOT-BC381968  Uropappus lindleyi John H. Thomas 1955-5-21 5146 B Napa Sarco Creek drainage, near State Highway No. 37, about 6 miles from Napa 274 Comment
  JEPS106872  Uropappus lindleyi Jak